diff --git a/bootstrap/linux-aarch64.ll b/bootstrap/linux-aarch64.ll
index fd145aa..782dead 100644
--- a/bootstrap/linux-aarch64.ll
+++ b/bootstrap/linux-aarch64.ll
@@ -9,21 +9,23 @@ target triple = "aarch64-unknown-linux-gnu"
 %S.ast.Node = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, %S.ast.Type, i1, i1, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i64 }
 %S.ast.Program = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
 %S.parser.Parser = type { { ptr, i64, i64 }, i64, i64, i64, { ptr, i64, i64 } }
-%S.gen.Var = type { { ptr, i64, i64 }, %S.ast.Type, { ptr, i64, i64 }, i1, i64, { ptr, i64, i64 }, i64, i64 }
+%S.gen.Var = type { { ptr, i64, i64 }, %S.ast.Type, { ptr, i64, i64 }, i1, i64, i1, i1, { ptr, i64, i64 }, i64, i64 }
 %S.platform.Target = type { { ptr, i64, i64 }, i1, i1, i1, i1, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
 %S.gen.Options = type { i1, i1, i1, { ptr, i64, i64 }, %S.platform.Target }
 %S.gen.Template = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i1, i1 }
 %S.gen.Binds = type { { ptr, i64, i64 }, { ptr, i64, i64 } }
 %S.gen.EnumDef = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
-%S.gen.Scope = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
-%S.gen.Loop = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i64 }
+%S.gen.Cleanup = type { i1, i64 }
+%S.gen.Scope = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
+%S.gen.Pending = type { { ptr, i64, i64 }, %S.ast.Type, i1 }
+%S.gen.Loop = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64 }
 %S.gen.FnSig = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i1, { ptr, i64, i64 }, %S.ast.Type, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64 }
 %S.gen.StructDef = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i1 }
 %S.gen.Val = type { { ptr, i64, i64 }, %S.ast.Type, i1, i1 }
 %S.gen.Place = type { { ptr, i64, i64 }, %S.ast.Type }
 %S.gen.Ref = type { i1, %S.gen.Place, %S.gen.Val }
 %S.cimport.CImports = type { { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64 } }
-%S.gen.Gen = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, %S.gen.FnSig, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, %S.cimport.CImports, i1, i1, { ptr, i64, i64 }, i1, %S.platform.Target, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i64, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i64, i64 }
+%S.gen.Gen = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, %S.gen.FnSig, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, %S.cimport.CImports, i1, i1, { ptr, i64, i64 }, i1, %S.platform.Target, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i64, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i64, i64 }
 %S.gen.Saved = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i1, i64 }
 %S.gen.SizeAlign = type { i64, i64 }
 %S.gen.Fallible = type { %S.gen.Val, { ptr, i64, i64 }, { ptr, i64, i64 } }
@@ -248,219 +250,219 @@ target triple = "aarch64-unknown-linux-gnu"
 @.str.142 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.143 = private unnamed_addr constant [5 x i8] c"%.*s\00"
 @.str.144 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.145 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.146 = private unnamed_addr constant [8 x i8] c"version\00"
-@.str.147 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.148 = private unnamed_addr constant [10 x i8] c"--version\00"
-@.str.149 = private unnamed_addr constant [47 x i8] c"Finch 2.4.0 (the compiler is written in Finch)\00"
-@.str.150 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.151 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.152 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.153 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.154 = private unnamed_addr constant [4 x i8] c"lsp\00"
+@.str.145 = private unnamed_addr constant [8 x i8] c"/files-\00"
+@.str.146 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.147 = private unnamed_addr constant [6 x i8] c"/done\00"
+@.str.148 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.149 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.150 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.151 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.152 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.153 = private unnamed_addr constant [6 x i8] c"/done\00"
+@.str.154 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.155 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.156 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.156 = private unnamed_addr constant [8 x i8] c"version\00"
 @.str.157 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.158 = private unnamed_addr constant [6 x i8] c"build\00"
-@.str.159 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.160 = private unnamed_addr constant [3 x i8] c"ir\00"
-@.str.161 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.162 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.163 = private unnamed_addr constant [4 x i8] c"-O2\00"
-@.str.164 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.165 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.166 = private unnamed_addr constant [3 x i8] c"-o\00"
-@.str.167 = private unnamed_addr constant [6 x i8] c"build\00"
-@.str.168 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.169 = private unnamed_addr constant [9 x i8] c"--shared\00"
-@.str.170 = private unnamed_addr constant [6 x i8] c"build\00"
-@.str.171 = private unnamed_addr constant [4 x i8] c"-O0\00"
-@.str.172 = private unnamed_addr constant [4 x i8] c"-O0\00"
-@.str.173 = private unnamed_addr constant [3 x i8] c"-l\00"
+@.str.158 = private unnamed_addr constant [10 x i8] c"--version\00"
+@.str.159 = private unnamed_addr constant [47 x i8] c"Finch 2.4.0 (the compiler is written in Finch)\00"
+@.str.160 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.161 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.162 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.163 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.164 = private unnamed_addr constant [4 x i8] c"lsp\00"
+@.str.165 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.166 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.167 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.168 = private unnamed_addr constant [6 x i8] c"build\00"
+@.str.169 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.170 = private unnamed_addr constant [3 x i8] c"ir\00"
+@.str.171 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.172 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.173 = private unnamed_addr constant [4 x i8] c"-O2\00"
 @.str.174 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.175 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.176 = private unnamed_addr constant [3 x i8] c"-l\00"
-@.str.177 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.178 = private unnamed_addr constant [3 x i8] c"-I\00"
-@.str.179 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.180 = private unnamed_addr constant [10 x i8] c"--overlay\00"
-@.str.181 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.182 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.183 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.175 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.176 = private unnamed_addr constant [3 x i8] c"-o\00"
+@.str.177 = private unnamed_addr constant [6 x i8] c"build\00"
+@.str.178 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.179 = private unnamed_addr constant [9 x i8] c"--shared\00"
+@.str.180 = private unnamed_addr constant [6 x i8] c"build\00"
+@.str.181 = private unnamed_addr constant [4 x i8] c"-O0\00"
+@.str.182 = private unnamed_addr constant [4 x i8] c"-O0\00"
+@.str.183 = private unnamed_addr constant [3 x i8] c"-l\00"
 @.str.184 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
 @.str.185 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.186 = private unnamed_addr constant [3 x i8] c"-g\00"
-@.str.187 = private unnamed_addr constant [9 x i8] c"--target\00"
-@.str.188 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.189 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.190 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.191 = private unnamed_addr constant [16 x i8] c"/tmp/finch_run_\00"
-@.str.192 = private unnamed_addr constant [5 x i8] c".dll\00"
-@.str.193 = private unnamed_addr constant [4 x i8] c"lib\00"
-@.str.194 = private unnamed_addr constant [7 x i8] c".dylib\00"
-@.str.195 = private unnamed_addr constant [4 x i8] c"lib\00"
-@.str.196 = private unnamed_addr constant [4 x i8] c".so\00"
-@.str.197 = private unnamed_addr constant [6 x i8] c"linux\00"
-@.str.198 = private unnamed_addr constant [8 x i8] c"windows\00"
-@.str.199 = private unnamed_addr constant [6 x i8] c"macos\00"
-@.str.200 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.201 = private unnamed_addr constant [8 x i8] c"/../std\00"
-@.str.202 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.203 = private unnamed_addr constant [5 x i8] c"/std\00"
-@.str.204 = private unnamed_addr constant [4 x i8] c"std\00"
-@.str.205 = private unnamed_addr constant [10 x i8] c"/path.fch\00"
-@.str.206 = private unnamed_addr constant [11 x i8] c"FINCH_PATH\00"
-@.str.207 = private unnamed_addr constant [1 x i8] c"\00"
-declare ptr @getenv(ptr)
-@.str.208 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.209 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.210 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.186 = private unnamed_addr constant [3 x i8] c"-l\00"
+@.str.187 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.188 = private unnamed_addr constant [3 x i8] c"-I\00"
+@.str.189 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.190 = private unnamed_addr constant [10 x i8] c"--overlay\00"
+@.str.191 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.192 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.193 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.194 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.195 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.196 = private unnamed_addr constant [3 x i8] c"-g\00"
+@.str.197 = private unnamed_addr constant [9 x i8] c"--target\00"
+@.str.198 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.199 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.200 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.201 = private unnamed_addr constant [12 x i8] c"/finch_run_\00"
+@.str.202 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.203 = private unnamed_addr constant [5 x i8] c".dll\00"
+@.str.204 = private unnamed_addr constant [4 x i8] c"lib\00"
+@.str.205 = private unnamed_addr constant [7 x i8] c".dylib\00"
+@.str.206 = private unnamed_addr constant [4 x i8] c"lib\00"
+@.str.207 = private unnamed_addr constant [4 x i8] c".so\00"
+@.str.208 = private unnamed_addr constant [6 x i8] c"linux\00"
+@.str.209 = private unnamed_addr constant [8 x i8] c"windows\00"
+@.str.210 = private unnamed_addr constant [6 x i8] c"macos\00"
 @.str.211 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.212 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.212 = private unnamed_addr constant [8 x i8] c"/../std\00"
 @.str.213 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.214 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.214 = private unnamed_addr constant [5 x i8] c"/std\00"
 @.str.215 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.216 = private unnamed_addr constant [3 x i8] c".c\00"
-@.str.217 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.218 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.219 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.220 = private unnamed_addr constant [3 x i8] c".a\00"
-@.str.221 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.222 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.216 = private unnamed_addr constant [20 x i8] c"/../share/finch/std\00"
+@.str.217 = private unnamed_addr constant [4 x i8] c"std\00"
+@.str.218 = private unnamed_addr constant [10 x i8] c"/path.fch\00"
+@.str.219 = private unnamed_addr constant [5 x i8] c"/std\00"
+@.str.220 = private unnamed_addr constant [11 x i8] c"FINCH_PATH\00"
+@.str.221 = private unnamed_addr constant [1 x i8] c"\00"
+declare ptr @getenv(ptr)
+@.str.222 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
 @.str.223 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.224 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.225 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.226 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.227 = private unnamed_addr constant [4 x i8] c"PWD\00"
-@.str.228 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.229 = private unnamed_addr constant [3 x i8] c"ir\00"
-@.str.230 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.231 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.232 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.233 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.234 = private unnamed_addr constant [9 x i8] c"FINCH_RT\00"
+@.str.224 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.225 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.226 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.227 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.228 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.229 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.230 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.231 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.232 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.233 = private unnamed_addr constant [3 x i8] c".a\00"
+@.str.234 = private unnamed_addr constant [2 x i8] c"/\00"
 @.str.235 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.236 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.237 = private unnamed_addr constant [23 x i8] c"/../runtime/finch_rt.c\00"
-@.str.238 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.239 = private unnamed_addr constant [20 x i8] c"/runtime/finch_rt.c\00"
-@.str.240 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
-@.str.241 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
-@.str.242 = private unnamed_addr constant [57 x i8] c"error: can't find the Finch runtime (runtime/finch_rt.c)\00"
-@.str.243 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.244 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.245 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.236 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.237 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.238 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.239 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.240 = private unnamed_addr constant [3 x i8] c"ir\00"
+@.str.241 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.242 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.243 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.244 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.245 = private unnamed_addr constant [9 x i8] c"FINCH_RT\00"
 @.str.246 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.247 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
-@.str.248 = private unnamed_addr constant [4 x i8] c" -g\00"
-@.str.249 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.250 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.251 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.252 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.253 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.254 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.255 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.256 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.257 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.258 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.259 = private unnamed_addr constant [3 x i8] c"in\00"
-@.str.260 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.261 = private unnamed_addr constant [9 x i8] c"continue\00"
-@.str.262 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.263 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.264 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.265 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.266 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.267 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.268 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.269 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.270 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.271 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.272 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.273 = private unnamed_addr constant [7 x i8] c"export\00"
-@.str.274 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.275 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
-@.str.276 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.277 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.278 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.279 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.280 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.281 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.282 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.283 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.284 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.285 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.286 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.287 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.288 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.289 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.290 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.247 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.248 = private unnamed_addr constant [23 x i8] c"/../runtime/finch_rt.c\00"
+@.str.249 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.250 = private unnamed_addr constant [20 x i8] c"/runtime/finch_rt.c\00"
+@.str.251 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.252 = private unnamed_addr constant [35 x i8] c"/../share/finch/runtime/finch_rt.c\00"
+@.str.253 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
+@.str.254 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
+@.str.255 = private unnamed_addr constant [20 x i8] c"/runtime/finch_rt.c\00"
+@.str.256 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.257 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
+@.str.258 = private unnamed_addr constant [4 x i8] c" -g\00"
+@.str.259 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.260 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.261 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.262 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.263 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.264 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.265 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.266 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.267 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.268 = private unnamed_addr constant [3 x i8] c"in\00"
+@.str.269 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.270 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.271 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.272 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.273 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.274 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.275 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.276 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.277 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.278 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.279 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.280 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.281 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.282 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.283 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.284 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
+@.str.285 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.286 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.287 = private unnamed_addr constant [10 x i8] c": error: \00"
+@.str.288 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.289 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.290 = private unnamed_addr constant [2 x i8] c"\0A\00"
 @.str.291 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.292 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.292 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.293 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.294 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.294 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.295 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.296 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.297 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
-@.str.298 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.299 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.296 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.297 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.298 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.299 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.300 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.301 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.301 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.302 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.303 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.303 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.304 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.305 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.306 = private unnamed_addr constant [3 x i8] c"->\00"
-@.str.307 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.308 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.309 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.310 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.311 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.312 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.313 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.314 = private unnamed_addr constant [3 x i8] c"||\00"
-@.str.315 = private unnamed_addr constant [3 x i8] c"..\00"
-@.str.316 = private unnamed_addr constant [3 x i8] c":=\00"
-@.str.317 = private unnamed_addr constant [3 x i8] c"+=\00"
-@.str.318 = private unnamed_addr constant [3 x i8] c"-=\00"
-@.str.319 = private unnamed_addr constant [3 x i8] c"*=\00"
-@.str.320 = private unnamed_addr constant [3 x i8] c"/=\00"
-@.str.321 = private unnamed_addr constant [3 x i8] c"%=\00"
-@.str.322 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.323 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.324 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.325 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.326 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.327 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.328 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.329 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.330 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.305 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.306 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.307 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.308 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.309 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.310 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.311 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.312 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.313 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.314 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.315 = private unnamed_addr constant [3 x i8] c"->\00"
+@.str.316 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.317 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.318 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.319 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.320 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.321 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.322 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.323 = private unnamed_addr constant [3 x i8] c"||\00"
+@.str.324 = private unnamed_addr constant [3 x i8] c"..\00"
+@.str.325 = private unnamed_addr constant [3 x i8] c":=\00"
+@.str.326 = private unnamed_addr constant [3 x i8] c"+=\00"
+@.str.327 = private unnamed_addr constant [3 x i8] c"-=\00"
+@.str.328 = private unnamed_addr constant [3 x i8] c"*=\00"
+@.str.329 = private unnamed_addr constant [3 x i8] c"/=\00"
+@.str.330 = private unnamed_addr constant [3 x i8] c"%=\00"
 @.str.331 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.332 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.333 = private unnamed_addr constant [23 x i8] c"(){}[],.:+-*/%&|^~<>=!\00"
-@.str.334 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.335 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.336 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.333 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.334 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.335 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.336 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.337 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.338 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.339 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.340 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.341 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.342 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.338 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.339 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.340 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.341 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.342 = private unnamed_addr constant [23 x i8] c"(){}[],.:+-*/%&|^~<>=!\00"
 @.str.343 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.344 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.344 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.345 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.346 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
-@.str.347 = private unnamed_addr constant [17 x i8] c"unknown escape \5C\00"
+@.str.346 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.347 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.348 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.349 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.350 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.351 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.351 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.352 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.353 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.353 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
 @.str.354 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.355 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.356 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.355 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.356 = private unnamed_addr constant [17 x i8] c"unknown escape \5C\00"
 @.str.357 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.358 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.359 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
@@ -471,6800 +473,7034 @@ declare ptr @getenv(ptr)
 @.str.364 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.365 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.366 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.367 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.367 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.368 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.369 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.369 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.370 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.371 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.371 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.372 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.373 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.373 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.374 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.375 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.376 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.377 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.378 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.375 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.376 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.377 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.378 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
 @.str.379 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.380 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.381 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.382 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.383 = private unnamed_addr constant [37 x i8] c"comment is never closed (missing */)\00"
-@.str.384 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.385 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.386 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.387 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.383 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.384 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.385 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.386 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.387 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.388 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.389 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.389 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.390 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.391 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
-@.str.392 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.393 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
-@.str.394 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.395 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.396 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.397 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.398 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.399 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.400 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.401 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.402 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.403 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.404 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.391 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.392 = private unnamed_addr constant [37 x i8] c"comment is never closed (missing */)\00"
+@.str.393 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.394 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.395 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.396 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.397 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.398 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.399 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.400 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.401 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.402 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.403 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.404 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.405 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.406 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.406 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.407 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.408 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.408 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.409 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.410 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.411 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.412 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.410 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.411 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.412 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.413 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.414 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.415 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.416 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.417 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.418 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.414 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.415 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.416 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.417 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.418 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.419 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.420 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.421 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.422 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.423 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.424 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.425 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.422 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.423 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.424 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.425 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.426 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.427 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.427 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.428 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.429 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.429 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.430 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.431 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.432 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.433 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.434 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.431 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.432 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.433 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.434 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.435 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.436 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.437 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.438 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.439 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.440 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.441 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.441 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.442 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.443 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.443 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.444 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.445 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.445 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.446 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.447 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.448 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.449 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.450 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.451 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.452 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.453 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.454 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.449 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.450 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.451 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.452 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.453 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.454 = private unnamed_addr constant [6 x i8] c"float\00"
 @.str.455 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.456 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.456 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.457 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.458 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.458 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.459 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.460 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.461 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.462 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.460 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.461 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.462 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.463 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.464 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.465 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.466 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.467 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.468 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.469 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.470 = private unnamed_addr constant [35 x i8] c"string is never closed (missing \22)\00"
-@.str.471 = private unnamed_addr constant [33 x i8] c"char is never closed (missing ')\00"
-@.str.472 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.473 = private unnamed_addr constant [45 x i8] c"a char holds exactly one character, like 'a'\00"
-@.str.474 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.475 = private unnamed_addr constant [75 x i8] c" (names use only a-z, A-Z, 0-9 and _; other letters only go inside \22text\22)\00"
-@.str.476 = private unnamed_addr constant [23 x i8] c"unexpected character '\00"
-@.str.477 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.478 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.479 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.480 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.481 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.482 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.483 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.484 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.485 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.486 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.487 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.488 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.464 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.465 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.466 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.467 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.468 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.469 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.470 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.471 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.472 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.473 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.474 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.475 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.476 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.477 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.478 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.479 = private unnamed_addr constant [35 x i8] c"string is never closed (missing \22)\00"
+@.str.480 = private unnamed_addr constant [33 x i8] c"char is never closed (missing ')\00"
+@.str.481 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.482 = private unnamed_addr constant [45 x i8] c"a char holds exactly one character, like 'a'\00"
+@.str.483 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.484 = private unnamed_addr constant [75 x i8] c" (names use only a-z, A-Z, 0-9 and _; other letters only go inside \22text\22)\00"
+@.str.485 = private unnamed_addr constant [23 x i8] c"unexpected character '\00"
+@.str.486 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.487 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.488 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.489 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.490 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
-@.str.491 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.492 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.493 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.494 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.495 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.496 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.497 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.498 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.499 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.500 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.501 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.502 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.503 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.504 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.505 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.506 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.507 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.508 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.509 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.510 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.511 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.512 = private unnamed_addr constant [5 x i8] c"map[\00"
-@.str.513 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.514 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.490 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.491 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.492 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.493 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.494 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.495 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.496 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.497 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.498 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.499 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.500 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.501 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.502 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.503 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.504 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.505 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.506 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.507 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.508 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.509 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.510 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.511 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.512 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.513 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.514 = private unnamed_addr constant [3 x i8] c"[]\00"
 @.str.515 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.516 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.517 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.518 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.516 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.517 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.518 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.519 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.520 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.521 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.522 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.523 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.524 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.525 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.526 = private unnamed_addr constant [8 x i8] c"nothing\00"
-@.str.527 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.528 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
-@.str.529 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.530 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.531 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.532 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.533 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.534 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.535 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.536 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.537 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.538 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.539 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.540 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.541 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.542 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.543 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.520 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.521 = private unnamed_addr constant [5 x i8] c"map[\00"
+@.str.522 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.523 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.524 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.525 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.526 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.527 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.528 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.529 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.530 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.531 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.532 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.533 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.534 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.535 = private unnamed_addr constant [8 x i8] c"nothing\00"
+@.str.536 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.537 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
+@.str.538 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.539 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.540 = private unnamed_addr constant [10 x i8] c": error: \00"
+@.str.541 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.542 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.543 = private unnamed_addr constant [2 x i8] c"\0A\00"
 @.str.544 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.545 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.546 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.547 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.548 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.545 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.546 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.547 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.548 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.549 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.550 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.551 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.552 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.552 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.553 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.554 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.555 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.555 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.556 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.557 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.557 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.558 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.559 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.560 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.561 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.562 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.559 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.560 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.561 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.562 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.563 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.564 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.565 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.566 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.567 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.568 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.569 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.570 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.571 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.572 = private unnamed_addr constant [12 x i8] c"end of file\00"
-@.str.573 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.574 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.575 = private unnamed_addr constant [9 x i8] c"a number\00"
-@.str.576 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.577 = private unnamed_addr constant [9 x i8] c"a string\00"
-@.str.578 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.579 = private unnamed_addr constant [7 x i8] c"a char\00"
-@.str.580 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.581 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.582 = private unnamed_addr constant [10 x i8] c"expected \00"
-@.str.583 = private unnamed_addr constant [9 x i8] c", found \00"
-@.str.584 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.585 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.586 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.587 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.588 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.589 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.590 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.591 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.592 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.564 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.565 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.566 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.567 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.568 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.569 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.570 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.571 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.572 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.573 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.574 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.575 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.576 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.577 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.578 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.579 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.580 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.581 = private unnamed_addr constant [12 x i8] c"end of file\00"
+@.str.582 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.583 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.584 = private unnamed_addr constant [9 x i8] c"a number\00"
+@.str.585 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.586 = private unnamed_addr constant [9 x i8] c"a string\00"
+@.str.587 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.588 = private unnamed_addr constant [7 x i8] c"a char\00"
+@.str.589 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.590 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.591 = private unnamed_addr constant [10 x i8] c"expected \00"
+@.str.592 = private unnamed_addr constant [9 x i8] c", found \00"
 @.str.593 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.594 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.594 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
 @.str.595 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.596 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.597 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
-@.str.598 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.599 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.600 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.601 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.602 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.603 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.604 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.605 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.606 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.607 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.608 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.609 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.610 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.611 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.612 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.613 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.614 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.615 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.616 = private unnamed_addr constant [37 x i8] c"']' (an array type looks like []int)\00"
-@.str.617 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.618 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.619 = private unnamed_addr constant [57 x i8] c" (expected a type like int, str, []int or a struct name)\00"
-@.str.620 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.621 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.622 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.623 = private unnamed_addr constant [40 x i8] c"']' (a map type looks like map[str]int)\00"
-@.str.624 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.625 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.626 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.627 = private unnamed_addr constant [4 x i8] c"']'\00"
-@.str.628 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.629 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.630 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.631 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.632 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.633 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.634 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.635 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.636 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.637 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.638 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.639 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
-@.str.640 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.641 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.642 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.643 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.644 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.645 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.646 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.647 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.648 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.649 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.596 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.597 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.598 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.599 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.600 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.601 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.602 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.603 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.604 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.605 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.606 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
+@.str.607 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.608 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.609 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.610 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.611 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.612 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.613 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.614 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.615 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.616 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.617 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.618 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.619 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.620 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.621 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.622 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.623 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.624 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.625 = private unnamed_addr constant [37 x i8] c"']' (an array type looks like []int)\00"
+@.str.626 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.627 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.628 = private unnamed_addr constant [57 x i8] c" (expected a type like int, str, []int or a struct name)\00"
+@.str.629 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.630 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.631 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.632 = private unnamed_addr constant [40 x i8] c"']' (a map type looks like map[str]int)\00"
+@.str.633 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.634 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.635 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.636 = private unnamed_addr constant [4 x i8] c"']'\00"
+@.str.637 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.638 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.639 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.640 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.641 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.642 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.643 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.644 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.645 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.646 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.647 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.648 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
+@.str.649 = private unnamed_addr constant [6 x i8] c"ident\00"
 @.str.650 = private unnamed_addr constant [2 x i8] c"[\00"
 @.str.651 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.652 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.653 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.653 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.654 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.655 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.656 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.657 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.657 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.658 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.659 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.660 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.661 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.662 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.663 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.664 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.659 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.660 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.661 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.662 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.663 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.664 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.665 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.666 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.666 = private unnamed_addr constant [6 x i8] c"ident\00"
 @.str.667 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.668 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.669 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.670 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.671 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.672 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.673 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.668 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.669 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.670 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.671 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.672 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.673 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.674 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.675 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.675 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.676 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.677 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.678 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.679 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.680 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.681 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.682 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.683 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.678 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.679 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.680 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.681 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.682 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.683 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.684 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.685 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.686 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.686 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.687 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.688 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.689 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.690 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.690 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.691 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.692 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.693 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.694 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.695 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.696 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.697 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.698 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.699 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.700 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.701 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.692 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.693 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.694 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.695 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.696 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.697 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.698 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.699 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.700 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.701 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.702 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.703 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.703 = private unnamed_addr constant [4 x i8] c"eof\00"
 @.str.704 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.705 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.705 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.706 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.707 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.708 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.709 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.710 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.711 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.712 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.707 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.708 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.709 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.710 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.711 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.712 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.713 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.714 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.714 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.715 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.716 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.717 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.718 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.719 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.720 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.721 = private unnamed_addr constant [38 x i8] c" (put each statement on its own line)\00"
-@.str.722 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.723 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.724 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.725 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.726 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
-@.str.727 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.728 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.729 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.730 = private unnamed_addr constant [52 x i8] c"expected a module name or a C header after 'import'\00"
-@.str.731 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.732 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.733 = private unnamed_addr constant [43 x i8] c"a library name in quotes, like link \22glfw\22\00"
+@.str.716 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.717 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.718 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.719 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.720 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.721 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.722 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.723 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.724 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.725 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.726 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.727 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.728 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.729 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.730 = private unnamed_addr constant [38 x i8] c" (put each statement on its own line)\00"
+@.str.731 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.732 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.733 = private unnamed_addr constant [7 x i8] c"string\00"
 @.str.734 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.735 = private unnamed_addr constant [3 x i8] c".c\00"
-@.str.736 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.737 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.738 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.739 = private unnamed_addr constant [3 x i8] c".a\00"
-@.str.740 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.741 = private unnamed_addr constant [4 x i8] c"lib\00"
-@.str.742 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.743 = private unnamed_addr constant [4 x i8] c".so\00"
-@.str.744 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.745 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.746 = private unnamed_addr constant [66 x i8] c"write just the library's name: for libglfw.so that's  link \22glfw\22\00"
-@.str.747 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.748 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.749 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.750 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.751 = private unnamed_addr constant [7 x i8] c"'enum'\00"
-@.str.752 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.753 = private unnamed_addr constant [13 x i8] c"an enum name\00"
-@.str.754 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.755 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.756 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.757 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.758 = private unnamed_addr constant [38 x i8] c"an enum is never closed (missing '}')\00"
-@.str.759 = private unnamed_addr constant [8 x i8] c"variant\00"
-@.str.760 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.761 = private unnamed_addr constant [25 x i8] c"a variant name, like Red\00"
-@.str.762 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.763 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.764 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.765 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.766 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.767 = private unnamed_addr constant [31 x i8] c"a whole number, like  Ok = 200\00"
-@.str.768 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.769 = private unnamed_addr constant [10 x i8] c"the enum \00"
-@.str.770 = private unnamed_addr constant [17 x i8] c" has no variants\00"
-@.str.771 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.772 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.773 = private unnamed_addr constant [8 x i8] c"'match'\00"
-@.str.774 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.775 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.776 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.777 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.778 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.779 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.780 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.781 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.782 = private unnamed_addr constant [38 x i8] c"a match is never closed (missing '}')\00"
-@.str.783 = private unnamed_addr constant [4 x i8] c"arm\00"
-@.str.784 = private unnamed_addr constant [9 x i8] c"patterns\00"
-@.str.785 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.786 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.787 = private unnamed_addr constant [3 x i8] c"->\00"
-@.str.788 = private unnamed_addr constant [58 x i8] c"'->' after the value to match, like   Red -> print(\22red\22)\00"
-@.str.789 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.790 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.791 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.792 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.793 = private unnamed_addr constant [31 x i8] c"a match needs at least one arm\00"
-@.str.794 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.795 = private unnamed_addr constant [4 x i8] c"'['\00"
-@.str.796 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.797 = private unnamed_addr constant [30 x i8] c"a type parameter name, like T\00"
-@.str.798 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.799 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.800 = private unnamed_addr constant [30 x i8] c"']' after the type parameters\00"
-@.str.801 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.802 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.803 = private unnamed_addr constant [9 x i8] c"'struct'\00"
-@.str.804 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.805 = private unnamed_addr constant [14 x i8] c"a struct name\00"
-@.str.806 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.807 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.808 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.809 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.810 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.811 = private unnamed_addr constant [39 x i8] c"a struct is never closed (missing '}')\00"
-@.str.812 = private unnamed_addr constant [6 x i8] c"field\00"
-@.str.813 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.814 = private unnamed_addr constant [29 x i8] c" (a field looks like: int x)\00"
-@.str.815 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.816 = private unnamed_addr constant [13 x i8] c"a field name\00"
-@.str.817 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.818 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.819 = private unnamed_addr constant [7 x i8] c"export\00"
-@.str.820 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.821 = private unnamed_addr constant [69 x i8] c"functions start with 'fn', like: fn add(int a, int b) -> int { ... }\00"
-@.str.822 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.823 = private unnamed_addr constant [27 x i8] c"'fn', 'struct' or 'import'\00"
+@.str.735 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
+@.str.736 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.737 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.738 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.739 = private unnamed_addr constant [52 x i8] c"expected a module name or a C header after 'import'\00"
+@.str.740 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.741 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.742 = private unnamed_addr constant [43 x i8] c"a library name in quotes, like link \22glfw\22\00"
+@.str.743 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.744 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.745 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.746 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.747 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.748 = private unnamed_addr constant [3 x i8] c".a\00"
+@.str.749 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.750 = private unnamed_addr constant [4 x i8] c"lib\00"
+@.str.751 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.752 = private unnamed_addr constant [4 x i8] c".so\00"
+@.str.753 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.754 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.755 = private unnamed_addr constant [66 x i8] c"write just the library's name: for libglfw.so that's  link \22glfw\22\00"
+@.str.756 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.757 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.758 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.759 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.760 = private unnamed_addr constant [7 x i8] c"'enum'\00"
+@.str.761 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.762 = private unnamed_addr constant [13 x i8] c"an enum name\00"
+@.str.763 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.764 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.765 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.766 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.767 = private unnamed_addr constant [38 x i8] c"an enum is never closed (missing '}')\00"
+@.str.768 = private unnamed_addr constant [8 x i8] c"variant\00"
+@.str.769 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.770 = private unnamed_addr constant [25 x i8] c"a variant name, like Red\00"
+@.str.771 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.772 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.773 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.774 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.775 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.776 = private unnamed_addr constant [31 x i8] c"a whole number, like  Ok = 200\00"
+@.str.777 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.778 = private unnamed_addr constant [10 x i8] c"the enum \00"
+@.str.779 = private unnamed_addr constant [17 x i8] c" has no variants\00"
+@.str.780 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.781 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.782 = private unnamed_addr constant [8 x i8] c"'match'\00"
+@.str.783 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.784 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.785 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.786 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.787 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.788 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.789 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.790 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.791 = private unnamed_addr constant [38 x i8] c"a match is never closed (missing '}')\00"
+@.str.792 = private unnamed_addr constant [4 x i8] c"arm\00"
+@.str.793 = private unnamed_addr constant [9 x i8] c"patterns\00"
+@.str.794 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.795 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.796 = private unnamed_addr constant [3 x i8] c"->\00"
+@.str.797 = private unnamed_addr constant [58 x i8] c"'->' after the value to match, like   Red -> print(\22red\22)\00"
+@.str.798 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.799 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.800 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.801 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.802 = private unnamed_addr constant [31 x i8] c"a match needs at least one arm\00"
+@.str.803 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.804 = private unnamed_addr constant [4 x i8] c"'['\00"
+@.str.805 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.806 = private unnamed_addr constant [30 x i8] c"a type parameter name, like T\00"
+@.str.807 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.808 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.809 = private unnamed_addr constant [30 x i8] c"']' after the type parameters\00"
+@.str.810 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.811 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.812 = private unnamed_addr constant [9 x i8] c"'struct'\00"
+@.str.813 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.814 = private unnamed_addr constant [14 x i8] c"a struct name\00"
+@.str.815 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.816 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.817 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.818 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.819 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.820 = private unnamed_addr constant [39 x i8] c"a struct is never closed (missing '}')\00"
+@.str.821 = private unnamed_addr constant [6 x i8] c"field\00"
+@.str.822 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.823 = private unnamed_addr constant [29 x i8] c" (a field looks like: int x)\00"
 @.str.824 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.825 = private unnamed_addr constant [16 x i8] c"a function name\00"
-@.str.826 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.827 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.828 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.829 = private unnamed_addr constant [14 x i8] c"a method name\00"
-@.str.830 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.831 = private unnamed_addr constant [4 x i8] c"'('\00"
-@.str.832 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.833 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.834 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.835 = private unnamed_addr constant [6 x i8] c"param\00"
-@.str.836 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.837 = private unnamed_addr constant [17 x i8] c"a parameter name\00"
-@.str.838 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.839 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.840 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.841 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.842 = private unnamed_addr constant [4 x i8] c"')'\00"
-@.str.843 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.844 = private unnamed_addr constant [3 x i8] c"->\00"
-@.str.845 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.846 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.847 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.848 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.849 = private unnamed_addr constant [62 x i8] c" (after '->' comes a type, or ! for a function that can fail)\00"
-@.str.850 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.851 = private unnamed_addr constant [6 x i8] c"block\00"
-@.str.852 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.853 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.854 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.855 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.856 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.857 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.858 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.859 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.860 = private unnamed_addr constant [36 x i8] c"a '{' is never closed (missing '}')\00"
-@.str.861 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.862 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.863 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.864 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.865 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.866 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.867 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.868 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.869 = private unnamed_addr constant [21 x i8] c"a loop variable name\00"
-@.str.870 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.871 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.872 = private unnamed_addr constant [28 x i8] c"a second loop variable name\00"
-@.str.873 = private unnamed_addr constant [3 x i8] c"in\00"
-@.str.874 = private unnamed_addr constant [5 x i8] c"'in'\00"
-@.str.875 = private unnamed_addr constant [3 x i8] c"..\00"
-@.str.876 = private unnamed_addr constant [56 x i8] c"a range of numbers has one loop variable: for i in 0..n\00"
-@.str.877 = private unnamed_addr constant [5 x i8] c"each\00"
-@.str.878 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.879 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.880 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.881 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.882 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.883 = private unnamed_addr constant [9 x i8] c"continue\00"
-@.str.884 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.885 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.886 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.887 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.888 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
-@.str.889 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.890 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.891 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.892 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.893 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.894 = private unnamed_addr constant [49 x i8] c"' can't be used here in the self-hosted compiler\00"
-@.str.895 = private unnamed_addr constant [5 x i8] c"decl\00"
-@.str.896 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.897 = private unnamed_addr constant [16 x i8] c"a variable name\00"
-@.str.898 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.899 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.900 = private unnamed_addr constant [3 x i8] c":=\00"
-@.str.901 = private unnamed_addr constant [5 x i8] c"decl\00"
-@.str.902 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.903 = private unnamed_addr constant [3 x i8] c"+=\00"
-@.str.904 = private unnamed_addr constant [3 x i8] c"-=\00"
-@.str.905 = private unnamed_addr constant [3 x i8] c"*=\00"
-@.str.906 = private unnamed_addr constant [3 x i8] c"/=\00"
-@.str.907 = private unnamed_addr constant [3 x i8] c"%=\00"
-@.str.908 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.909 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.910 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.911 = private unnamed_addr constant [67 x i8] c"only a variable, a field, an element or p.value can be assigned to\00"
-@.str.912 = private unnamed_addr constant [7 x i8] c"assign\00"
-@.str.913 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.914 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
-@.str.915 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.916 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.917 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.918 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.919 = private unnamed_addr constant [38 x i8] c"this value is computed but never used\00"
-@.str.920 = private unnamed_addr constant [5 x i8] c"expr\00"
-@.str.921 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.922 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
-@.str.923 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.924 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.925 = private unnamed_addr constant [5 x i8] c"'if'\00"
-@.str.926 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.927 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.928 = private unnamed_addr constant [3 x i8] c"||\00"
-@.str.929 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.930 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.931 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.932 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.933 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.934 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.935 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.936 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.937 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.938 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.939 = private unnamed_addr constant [2 x i8] c"^\00"
-@.str.940 = private unnamed_addr constant [2 x i8] c"*\00"
-@.str.941 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.942 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.943 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.944 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.945 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.946 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.947 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.948 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.949 = private unnamed_addr constant [7 x i8] c"binary\00"
-@.str.950 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.951 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.952 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.953 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.954 = private unnamed_addr constant [2 x i8] c"~\00"
-@.str.955 = private unnamed_addr constant [6 x i8] c"unary\00"
-@.str.956 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.957 = private unnamed_addr constant [4 x i8] c"'('\00"
-@.str.958 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.959 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.960 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.961 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.962 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.963 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.964 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.965 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.966 = private unnamed_addr constant [30 x i8] c"used .names on a null pointer\00"
+@.str.825 = private unnamed_addr constant [13 x i8] c"a field name\00"
+@.str.826 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.827 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.828 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.829 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.830 = private unnamed_addr constant [69 x i8] c"functions start with 'fn', like: fn add(int a, int b) -> int { ... }\00"
+@.str.831 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.832 = private unnamed_addr constant [27 x i8] c"'fn', 'struct' or 'import'\00"
+@.str.833 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.834 = private unnamed_addr constant [16 x i8] c"a function name\00"
+@.str.835 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.836 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.837 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.838 = private unnamed_addr constant [14 x i8] c"a method name\00"
+@.str.839 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.840 = private unnamed_addr constant [4 x i8] c"'('\00"
+@.str.841 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.842 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.843 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.844 = private unnamed_addr constant [6 x i8] c"param\00"
+@.str.845 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.846 = private unnamed_addr constant [17 x i8] c"a parameter name\00"
+@.str.847 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.848 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.849 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.850 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.851 = private unnamed_addr constant [4 x i8] c"')'\00"
+@.str.852 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.853 = private unnamed_addr constant [3 x i8] c"->\00"
+@.str.854 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.855 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.856 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.857 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.858 = private unnamed_addr constant [62 x i8] c" (after '->' comes a type, or ! for a function that can fail)\00"
+@.str.859 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.860 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.861 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.862 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.863 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.864 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.865 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.866 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.867 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.868 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.869 = private unnamed_addr constant [36 x i8] c"a '{' is never closed (missing '}')\00"
+@.str.870 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.871 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.872 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.873 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.874 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.875 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.876 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.877 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.878 = private unnamed_addr constant [21 x i8] c"a loop variable name\00"
+@.str.879 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.880 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.881 = private unnamed_addr constant [28 x i8] c"a second loop variable name\00"
+@.str.882 = private unnamed_addr constant [3 x i8] c"in\00"
+@.str.883 = private unnamed_addr constant [5 x i8] c"'in'\00"
+@.str.884 = private unnamed_addr constant [3 x i8] c"..\00"
+@.str.885 = private unnamed_addr constant [56 x i8] c"a range of numbers has one loop variable: for i in 0..n\00"
+@.str.886 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.887 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.888 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.889 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.890 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.891 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.892 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.893 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.894 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.895 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.896 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.897 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
+@.str.898 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.899 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.900 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.901 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.902 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.903 = private unnamed_addr constant [49 x i8] c"' can't be used here in the self-hosted compiler\00"
+@.str.904 = private unnamed_addr constant [5 x i8] c"decl\00"
+@.str.905 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.906 = private unnamed_addr constant [16 x i8] c"a variable name\00"
+@.str.907 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.908 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.909 = private unnamed_addr constant [3 x i8] c":=\00"
+@.str.910 = private unnamed_addr constant [5 x i8] c"decl\00"
+@.str.911 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.912 = private unnamed_addr constant [3 x i8] c"+=\00"
+@.str.913 = private unnamed_addr constant [3 x i8] c"-=\00"
+@.str.914 = private unnamed_addr constant [3 x i8] c"*=\00"
+@.str.915 = private unnamed_addr constant [3 x i8] c"/=\00"
+@.str.916 = private unnamed_addr constant [3 x i8] c"%=\00"
+@.str.917 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.918 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.919 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.920 = private unnamed_addr constant [67 x i8] c"only a variable, a field, an element or p.value can be assigned to\00"
+@.str.921 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.922 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.923 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
+@.str.924 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.925 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.926 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.927 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.928 = private unnamed_addr constant [38 x i8] c"this value is computed but never used\00"
+@.str.929 = private unnamed_addr constant [5 x i8] c"expr\00"
+@.str.930 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.931 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
+@.str.932 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.933 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.934 = private unnamed_addr constant [5 x i8] c"'if'\00"
+@.str.935 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.936 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.937 = private unnamed_addr constant [3 x i8] c"||\00"
+@.str.938 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.939 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.940 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.941 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.942 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.943 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.944 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.945 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.946 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.947 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.948 = private unnamed_addr constant [2 x i8] c"^\00"
+@.str.949 = private unnamed_addr constant [2 x i8] c"*\00"
+@.str.950 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.951 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.952 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.953 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.954 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.955 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.956 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.957 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.958 = private unnamed_addr constant [7 x i8] c"binary\00"
+@.str.959 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.960 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.961 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.962 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.963 = private unnamed_addr constant [2 x i8] c"~\00"
+@.str.964 = private unnamed_addr constant [6 x i8] c"unary\00"
+@.str.965 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.966 = private unnamed_addr constant [4 x i8] c"'('\00"
 @.str.967 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.968 = private unnamed_addr constant [29 x i8] c"used .kids on a null pointer\00"
-@.str.969 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.970 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.971 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.972 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.973 = private unnamed_addr constant [4 x i8] c"')'\00"
-@.str.974 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.975 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.976 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.977 = private unnamed_addr constant [17 x i8] c"a name after '.'\00"
-@.str.978 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.979 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.980 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.981 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.982 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.983 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.984 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.985 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.986 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.987 = private unnamed_addr constant [4 x i8] c"']'\00"
-@.str.988 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.989 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.990 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.991 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.992 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.993 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.994 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.995 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.996 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.997 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.998 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.999 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1000 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1001 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1002 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1003 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1004 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1005 = private unnamed_addr constant [4 x i8] c"')'\00"
-@.str.1006 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.1007 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1008 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.968 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.969 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.970 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.971 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.972 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.973 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.974 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.975 = private unnamed_addr constant [30 x i8] c"used .names on a null pointer\00"
+@.str.976 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.977 = private unnamed_addr constant [29 x i8] c"used .kids on a null pointer\00"
+@.str.978 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.979 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.980 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.981 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.982 = private unnamed_addr constant [4 x i8] c"')'\00"
+@.str.983 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.984 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.985 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.986 = private unnamed_addr constant [17 x i8] c"a name after '.'\00"
+@.str.987 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.988 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.989 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.990 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.991 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.992 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.993 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.994 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.995 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.996 = private unnamed_addr constant [4 x i8] c"']'\00"
+@.str.997 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.998 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.999 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1000 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1001 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.1002 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1003 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.1004 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1005 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1006 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1007 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1008 = private unnamed_addr constant [2 x i8] c"(\00"
 @.str.1009 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.1010 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1011 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1012 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1013 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1014 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1015 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1016 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1017 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1018 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1019 = private unnamed_addr constant [42 x i8] c"':' (a map entry looks like \22key\22: value)\00"
-@.str.1020 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1021 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1022 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1011 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1012 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1013 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1014 = private unnamed_addr constant [4 x i8] c"')'\00"
+@.str.1015 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.1016 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1017 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1018 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1019 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1020 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1021 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1022 = private unnamed_addr constant [4 x i8] c"map\00"
 @.str.1023 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1024 = private unnamed_addr constant [4 x i8] c"']'\00"
-@.str.1025 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.1026 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1027 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1028 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.1029 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1030 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.1031 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1032 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.1033 = private unnamed_addr constant [6 x i8] c"targs\00"
-@.str.1034 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1035 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1036 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
-@.str.1037 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.1038 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1039 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.1040 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.1041 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.1042 = private unnamed_addr constant [20 x i8] c" (expected a value)\00"
-@.str.1043 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1044 = private unnamed_addr constant [2 x i8] c"\5C\00"
-@.str.1045 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
-@.str.1046 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1047 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1048 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
-@.str.1049 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1050 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1051 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1024 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1025 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1026 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1027 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1028 = private unnamed_addr constant [42 x i8] c"':' (a map entry looks like \22key\22: value)\00"
+@.str.1029 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1030 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1031 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1032 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1033 = private unnamed_addr constant [4 x i8] c"']'\00"
+@.str.1034 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.1035 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1036 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1037 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.1038 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1039 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.1040 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1041 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.1042 = private unnamed_addr constant [6 x i8] c"targs\00"
+@.str.1043 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1044 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1045 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
+@.str.1046 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.1047 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1048 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.1049 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.1050 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.1051 = private unnamed_addr constant [20 x i8] c" (expected a value)\00"
 @.str.1052 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1053 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1054 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1055 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1056 = private unnamed_addr constant [4 x i8] c"@R\09\00"
-@.str.1057 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1058 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1060 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1061 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1062 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1063 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1064 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1065 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1066 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1067 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1068 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1069 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1070 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1071 = private unnamed_addr constant [4 x i8] c"fn \00"
-@.str.1072 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1073 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1074 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1075 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1076 = private unnamed_addr constant [6 x i8] c" -> !\00"
-@.str.1077 = private unnamed_addr constant [5 x i8] c" -> \00"
-@.str.1078 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.1079 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1080 = private unnamed_addr constant [5 x i8] c" -> \00"
-@.str.1081 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1082 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1083 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.1084 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1085 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1086 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1087 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1088 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.1089 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.1053 = private unnamed_addr constant [2 x i8] c"\5C\00"
+@.str.1054 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
+@.str.1055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1056 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1057 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
+@.str.1058 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1059 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1060 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1061 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1062 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.1063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1064 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1065 = private unnamed_addr constant [4 x i8] c"@R\09\00"
+@.str.1066 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1067 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1068 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1069 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1070 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1071 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1072 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1073 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1074 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1075 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1076 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1077 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1078 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1079 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1080 = private unnamed_addr constant [4 x i8] c"fn \00"
+@.str.1081 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1082 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1083 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1084 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1085 = private unnamed_addr constant [6 x i8] c" -> !\00"
+@.str.1086 = private unnamed_addr constant [5 x i8] c" -> \00"
+@.str.1087 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.1088 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1089 = private unnamed_addr constant [5 x i8] c" -> \00"
 @.str.1090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1091 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1092 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1091 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.1092 = private unnamed_addr constant [7 x i8] c"method\00"
 @.str.1093 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1094 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1095 = private unnamed_addr constant [4 x i8] c"@I\09\00"
+@.str.1094 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1095 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1097 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1098 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1099 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1100 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1097 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.1098 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.1099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1100 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.1101 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1103 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1103 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1104 = private unnamed_addr constant [4 x i8] c"@I\09\00"
 @.str.1105 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1106 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1107 = private unnamed_addr constant [4 x i8] c"@F\09\00"
-@.str.1108 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1109 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1110 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1106 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1107 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1108 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1109 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1110 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1111 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1112 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1112 = private unnamed_addr constant [2 x i8] c" \00"
 @.str.1113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1114 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1115 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1116 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1115 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1116 = private unnamed_addr constant [4 x i8] c"@F\09\00"
 @.str.1117 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1118 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1119 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.1119 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1121 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.1121 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.1122 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1123 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1124 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1127 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1128 = private unnamed_addr constant [4 x i8] c"@F\09\00"
-@.str.1129 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1130 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1131 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1132 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1133 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1123 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1124 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1125 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1126 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1127 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1128 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.1129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1130 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.1131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1132 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1134 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1135 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1136 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1137 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1136 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1137 = private unnamed_addr constant [4 x i8] c"@F\09\00"
 @.str.1138 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1139 = private unnamed_addr constant [4 x i8] c"fn \00"
-@.str.1140 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1141 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1142 = private unnamed_addr constant [7 x i8] c"](...)\00"
-@.str.1143 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1144 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1145 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1146 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1147 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1148 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1149 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1150 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1151 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1152 = private unnamed_addr constant [4 x i8] c"@S\09\00"
-@.str.1153 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1154 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1139 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1140 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1141 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1142 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1143 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1144 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1145 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1146 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1147 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1148 = private unnamed_addr constant [4 x i8] c"fn \00"
+@.str.1149 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1150 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1151 = private unnamed_addr constant [7 x i8] c"](...)\00"
+@.str.1152 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1153 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1154 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1155 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1156 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1156 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1157 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1158 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1159 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1160 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1161 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1162 = private unnamed_addr constant [5 x i8] c"@SF\09\00"
+@.str.1158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1160 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1161 = private unnamed_addr constant [4 x i8] c"@S\09\00"
+@.str.1162 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1163 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1164 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1165 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1166 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1167 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1169 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1170 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1171 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1172 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1173 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1174 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1175 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1176 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1177 = private unnamed_addr constant [4 x i8] c"@E\09\00"
-@.str.1178 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1179 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1180 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1181 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1182 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1184 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1185 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1186 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1187 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1188 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1165 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1167 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1168 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1170 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1171 = private unnamed_addr constant [5 x i8] c"@SF\09\00"
+@.str.1172 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1173 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1174 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1175 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1176 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1178 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1180 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1182 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1183 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1184 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1185 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1186 = private unnamed_addr constant [4 x i8] c"@E\09\00"
+@.str.1187 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1188 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1190 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1191 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1192 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1193 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1194 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1195 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1196 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1197 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.1198 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1199 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1200 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1201 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1202 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1203 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1204 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.1205 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1206 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.1207 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1208 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.1209 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1190 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1191 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1192 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1193 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1194 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1195 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1196 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1197 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1198 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1199 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.1200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1201 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1203 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1204 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1205 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1206 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.1207 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1208 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1209 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.1210 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1211 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1213 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.1211 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1212 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1213 = private unnamed_addr constant [10 x i8] c": error: \00"
 @.str.1214 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1215 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1216 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.1217 = private unnamed_addr constant [9 x i8] c", !dbg !\00"
-@.str.1218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1219 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1220 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.1215 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.1216 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1217 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.1218 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1219 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1220 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
 @.str.1221 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1222 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1223 = private unnamed_addr constant [3 x i8] c"%t\00"
-@.str.1224 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1225 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1227 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
-@.str.1228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1229 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
+@.str.1222 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.1223 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1224 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1225 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.1226 = private unnamed_addr constant [9 x i8] c", !dbg !\00"
+@.str.1227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1228 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1229 = private unnamed_addr constant [3 x i8] c"  \00"
 @.str.1230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1231 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1232 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1231 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1232 = private unnamed_addr constant [3 x i8] c"%t\00"
 @.str.1233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1234 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1234 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
 @.str.1235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1236 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1237 = private unnamed_addr constant [11 x i8] c"br label %\00"
-@.str.1238 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1239 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1240 = private unnamed_addr constant [7 x i8] c"br i1 \00"
-@.str.1241 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1242 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1243 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1244 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1245 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1246 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1247 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1248 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1249 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1250 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1251 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1252 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.1253 = private unnamed_addr constant [11 x i8] c" = alloca \00"
-@.str.1254 = private unnamed_addr constant [11 x i8] c", align 16\00"
-@.str.1255 = private unnamed_addr constant [9 x i8] c" = load \00"
-@.str.1256 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1257 = private unnamed_addr constant [7 x i8] c"store \00"
-@.str.1258 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1259 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1260 = private unnamed_addr constant [4 x i8] c" = \00"
-@.str.1261 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1262 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.1263 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.1264 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1265 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.1266 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.1267 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.1268 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1269 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1270 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1271 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1272 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1273 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1236 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
+@.str.1237 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1238 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
+@.str.1239 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1240 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1241 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1243 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1244 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1245 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1246 = private unnamed_addr constant [11 x i8] c"br label %\00"
+@.str.1247 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1248 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1249 = private unnamed_addr constant [7 x i8] c"br i1 \00"
+@.str.1250 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1251 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1253 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1255 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1256 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1257 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1258 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1259 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1260 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1261 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.1262 = private unnamed_addr constant [11 x i8] c" = alloca \00"
+@.str.1263 = private unnamed_addr constant [11 x i8] c", align 16\00"
+@.str.1264 = private unnamed_addr constant [9 x i8] c" = load \00"
+@.str.1265 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1266 = private unnamed_addr constant [7 x i8] c"store \00"
+@.str.1267 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1268 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1269 = private unnamed_addr constant [4 x i8] c" = \00"
+@.str.1270 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1271 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1272 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.1273 = private unnamed_addr constant [4 x i8] c"i32\00"
 @.str.1274 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.1275 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.1276 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.1277 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1278 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.1275 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.1276 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.1277 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.1278 = private unnamed_addr constant [6 x i8] c"float\00"
 @.str.1279 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1280 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1281 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1282 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1284 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1286 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1287 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1288 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1280 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1281 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1282 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1283 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.1284 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.1285 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.1286 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1287 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.1288 = private unnamed_addr constant [4 x i8] c"f32\00"
 @.str.1289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1290 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.1291 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1292 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.1293 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1290 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1291 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1293 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1294 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1295 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.1296 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1296 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1297 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1298 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1300 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1298 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1299 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.1300 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1301 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.1302 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1303 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1304 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1305 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1303 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1304 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.1305 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1306 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1307 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1307 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1309 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1309 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1310 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1311 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1312 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1313 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1314 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1315 = private unnamed_addr constant [64 x i8] c"a map key must be a whole number, a char, a bool or a str, not \00"
-@.str.1316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1317 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1318 = private unnamed_addr constant [42 x i8] c"a map value can't have the type 'nothing'\00"
-@.str.1319 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.1320 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.1321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1322 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1323 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1324 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.1311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1312 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1313 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1314 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1316 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1317 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1318 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1320 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1321 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1322 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1323 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1324 = private unnamed_addr constant [64 x i8] c"a map key must be a whole number, a char, a bool or a str, not \00"
 @.str.1325 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1326 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.1327 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1328 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.1329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1330 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.1331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1326 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1327 = private unnamed_addr constant [42 x i8] c"a map value can't have the type 'nothing'\00"
+@.str.1328 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1329 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1330 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1331 = private unnamed_addr constant [4 x i8] c"ptr\00"
 @.str.1332 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1333 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.1334 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1335 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
-@.str.1336 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1337 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1338 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1339 = private unnamed_addr constant [29 x i8] c"there is no C struct named '\00"
-@.str.1340 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1341 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1342 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1343 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1344 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.1345 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1346 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
-@.str.1347 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1348 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1349 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1333 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.1334 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1335 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.1336 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1337 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.1338 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1339 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.1340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1341 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1342 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1343 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.1344 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
+@.str.1345 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1346 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1347 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1348 = private unnamed_addr constant [29 x i8] c"there is no C struct named '\00"
+@.str.1349 = private unnamed_addr constant [2 x i8] c"'\00"
 @.str.1350 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.1351 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1352 = private unnamed_addr constant [25 x i8] c"there is no type named '\00"
-@.str.1353 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1354 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1355 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1356 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1357 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1359 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1360 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1362 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1363 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1352 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1353 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1354 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.1355 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
+@.str.1356 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1357 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1358 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1359 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1360 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1361 = private unnamed_addr constant [25 x i8] c"there is no type named '\00"
+@.str.1362 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.1363 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.1364 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1365 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1366 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1367 = private unnamed_addr constant [5 x i8] c"main\00"
-@.str.1368 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1369 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1370 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1371 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.1372 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1373 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.1374 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1375 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1376 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1377 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1378 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.1379 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1380 = private unnamed_addr constant [38 x i8] c"{ ptr, i64, i64, i64, ptr, i64, i64 }\00"
-@.str.1381 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.1382 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1383 = private unnamed_addr constant [4 x i8] c" x \00"
-@.str.1384 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1385 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1386 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1387 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1388 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1389 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1390 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1391 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1392 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1393 = private unnamed_addr constant [4 x i8] c"%S.\00"
-@.str.1394 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1395 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.1396 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1397 = private unnamed_addr constant [7 x i8] c"{ i1, \00"
-@.str.1398 = private unnamed_addr constant [22 x i8] c", { ptr, i64, i64 } }\00"
-@.str.1399 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1400 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1401 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1402 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1403 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1404 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.1405 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1406 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1407 = private unnamed_addr constant [4 x i8] c"0.0\00"
-@.str.1408 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1409 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1410 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1411 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.1412 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
-@.str.1413 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
-@.str.1414 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1415 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1416 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1417 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1418 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1419 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1420 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1421 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1422 = private unnamed_addr constant [5 x i8] c"arr_\00"
-@.str.1423 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1424 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1425 = private unnamed_addr constant [5 x i8] c"map_\00"
-@.str.1426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1427 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.1428 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1429 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1430 = private unnamed_addr constant [3 x i8] c"E_\00"
-@.str.1431 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.1432 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1433 = private unnamed_addr constant [3 x i8] c"S_\00"
-@.str.1434 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.1435 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
-@.str.1436 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1365 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1366 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1368 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1369 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1370 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1371 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1372 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1374 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1375 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1376 = private unnamed_addr constant [5 x i8] c"main\00"
+@.str.1377 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1378 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1379 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1380 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.1381 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1382 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.1383 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1384 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1385 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1386 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1387 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.1388 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1389 = private unnamed_addr constant [38 x i8] c"{ ptr, i64, i64, i64, ptr, i64, i64 }\00"
+@.str.1390 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1391 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1392 = private unnamed_addr constant [4 x i8] c" x \00"
+@.str.1393 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1394 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1395 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1396 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1397 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1398 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1399 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1400 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1401 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1402 = private unnamed_addr constant [4 x i8] c"%S.\00"
+@.str.1403 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1404 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1405 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1406 = private unnamed_addr constant [7 x i8] c"{ i1, \00"
+@.str.1407 = private unnamed_addr constant [22 x i8] c", { ptr, i64, i64 } }\00"
+@.str.1408 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1409 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1410 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1411 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1412 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1413 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.1414 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1415 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1416 = private unnamed_addr constant [4 x i8] c"0.0\00"
+@.str.1417 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1418 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1419 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1420 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.1421 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
+@.str.1422 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
+@.str.1423 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1424 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1425 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1426 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1427 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1428 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1430 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1431 = private unnamed_addr constant [5 x i8] c"arr_\00"
+@.str.1432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1433 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1434 = private unnamed_addr constant [5 x i8] c"map_\00"
+@.str.1435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1436 = private unnamed_addr constant [2 x i8] c"_\00"
 @.str.1437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1438 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1439 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
-@.str.1440 = private unnamed_addr constant [7 x i8] c"@.str.\00"
-@.str.1441 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1442 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
-@.str.1443 = private unnamed_addr constant [2 x i8] c"\5C\00"
-@.str.1444 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1445 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.1446 = private unnamed_addr constant [35 x i8] c" = private unnamed_addr constant [\00"
-@.str.1447 = private unnamed_addr constant [10 x i8] c" x i8] c\22\00"
-@.str.1448 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1449 = private unnamed_addr constant [5 x i8] c"\5C00\22\00"
-@.str.1450 = private unnamed_addr constant [7 x i8] c"{ ptr \00"
-@.str.1451 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1452 = private unnamed_addr constant [10 x i8] c", i64 0 }\00"
-@.str.1453 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1454 = private unnamed_addr constant [6 x i8] c"panic\00"
-@.str.1455 = private unnamed_addr constant [3 x i8] c"ok\00"
-@.str.1456 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1457 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1458 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1459 = private unnamed_addr constant [28 x i8] c"call void @finch_panic(ptr \00"
+@.str.1438 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1439 = private unnamed_addr constant [3 x i8] c"E_\00"
+@.str.1440 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.1441 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1442 = private unnamed_addr constant [3 x i8] c"S_\00"
+@.str.1443 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.1444 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
+@.str.1445 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1446 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1447 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1448 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
+@.str.1449 = private unnamed_addr constant [7 x i8] c"@.str.\00"
+@.str.1450 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1451 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
+@.str.1452 = private unnamed_addr constant [2 x i8] c"\5C\00"
+@.str.1453 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1454 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.1455 = private unnamed_addr constant [35 x i8] c" = private unnamed_addr constant [\00"
+@.str.1456 = private unnamed_addr constant [10 x i8] c" x i8] c\22\00"
+@.str.1457 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1458 = private unnamed_addr constant [5 x i8] c"\5C00\22\00"
+@.str.1459 = private unnamed_addr constant [7 x i8] c"{ ptr \00"
 @.str.1460 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1461 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1462 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1463 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.1464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1465 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1466 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.1467 = private unnamed_addr constant [8 x i8] c"inrange\00"
-@.str.1468 = private unnamed_addr constant [14 x i8] c"icmp uge i64 \00"
-@.str.1469 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1470 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1471 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1472 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1473 = private unnamed_addr constant [34 x i8] c"call void @finch_panic_index(ptr \00"
-@.str.1474 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1475 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1476 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1477 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1478 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.1461 = private unnamed_addr constant [10 x i8] c", i64 0 }\00"
+@.str.1462 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1463 = private unnamed_addr constant [6 x i8] c"panic\00"
+@.str.1464 = private unnamed_addr constant [3 x i8] c"ok\00"
+@.str.1465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1466 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1467 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1468 = private unnamed_addr constant [28 x i8] c"call void @finch_panic(ptr \00"
+@.str.1469 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1470 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1471 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1472 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.1473 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1474 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1475 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.1476 = private unnamed_addr constant [8 x i8] c"inrange\00"
+@.str.1477 = private unnamed_addr constant [14 x i8] c"icmp uge i64 \00"
+@.str.1478 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.1479 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1480 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1480 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.1481 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1482 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1483 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1484 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1485 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1486 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1487 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1488 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1489 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1490 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1491 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1492 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1493 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1494 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1495 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1496 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1497 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1498 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1499 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1500 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1501 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1502 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.1503 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.1482 = private unnamed_addr constant [34 x i8] c"call void @finch_panic_index(ptr \00"
+@.str.1483 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1484 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1485 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1486 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1487 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.1488 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1489 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1490 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1491 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1492 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1493 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1494 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1495 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1496 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1497 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1498 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1499 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.1500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1501 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.1502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1503 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
 @.str.1504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1505 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1506 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1507 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1506 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1507 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
 @.str.1508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1509 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1510 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1511 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
-@.str.1512 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1513 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1514 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1515 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1517 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1519 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1520 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1521 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1522 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1523 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1524 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.1525 = private unnamed_addr constant [7 x i8] c"n.cond\00"
-@.str.1526 = private unnamed_addr constant [7 x i8] c"n.body\00"
-@.str.1527 = private unnamed_addr constant [6 x i8] c"n.end\00"
-@.str.1528 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1529 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.1530 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1509 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1511 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.1512 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.1513 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1514 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1515 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1516 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1517 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1518 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1519 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1520 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
+@.str.1521 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1522 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1523 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1524 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1525 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1526 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1527 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1528 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1529 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1530 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
 @.str.1531 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1532 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1533 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1534 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.1535 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.1536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1537 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1538 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1539 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1540 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
-@.str.1541 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1542 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1543 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1544 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1545 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1546 = private unnamed_addr constant [11 x i8] c"call void \00"
-@.str.1547 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.1548 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1549 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1550 = private unnamed_addr constant [13 x i8] c"@finch.copy.\00"
-@.str.1551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1552 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1554 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1555 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1556 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1557 = private unnamed_addr constant [56 x i8] c"call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 \00"
+@.str.1532 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1533 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.1534 = private unnamed_addr constant [7 x i8] c"n.cond\00"
+@.str.1535 = private unnamed_addr constant [7 x i8] c"n.body\00"
+@.str.1536 = private unnamed_addr constant [6 x i8] c"n.end\00"
+@.str.1537 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1538 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.1539 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1540 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1541 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1542 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1543 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.1544 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.1545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1546 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1547 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1548 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1549 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
+@.str.1550 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1551 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1552 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1553 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1554 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1555 = private unnamed_addr constant [11 x i8] c"call void \00"
+@.str.1556 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.1557 = private unnamed_addr constant [7 x i8] c", ptr \00"
 @.str.1558 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1559 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1560 = private unnamed_addr constant [5 x i8] c"%dst\00"
-@.str.1561 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1562 = private unnamed_addr constant [5 x i8] c"%src\00"
-@.str.1563 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1564 = private unnamed_addr constant [65 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1\00"
-@.str.1565 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1566 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1567 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1568 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1569 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1570 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1571 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1572 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1573 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1574 = private unnamed_addr constant [56 x i8] c"call void @finch_map_clone_raw(ptr %dst, ptr %src, i64 \00"
-@.str.1575 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1576 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1559 = private unnamed_addr constant [13 x i8] c"@finch.copy.\00"
+@.str.1560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1561 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1562 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1563 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1564 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1566 = private unnamed_addr constant [56 x i8] c"call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 \00"
+@.str.1567 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1568 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1569 = private unnamed_addr constant [5 x i8] c"%dst\00"
+@.str.1570 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1571 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1572 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1573 = private unnamed_addr constant [65 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1\00"
+@.str.1574 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1575 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1576 = private unnamed_addr constant [7 x i8] c", i64 \00"
 @.str.1577 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1578 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1579 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1580 = private unnamed_addr constant [25 x i8] c", ptr %src, i32 0, i32 2\00"
-@.str.1581 = private unnamed_addr constant [5 x i8] c"%src\00"
-@.str.1582 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1583 = private unnamed_addr constant [5 x i8] c"%dst\00"
-@.str.1584 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1585 = private unnamed_addr constant [11 x i8] c"entry.live\00"
-@.str.1586 = private unnamed_addr constant [11 x i8] c"entry.next\00"
-@.str.1587 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.1588 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1589 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1590 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1591 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
-@.str.1592 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1578 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1579 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1580 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1581 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1582 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1583 = private unnamed_addr constant [56 x i8] c"call void @finch_map_clone_raw(ptr %dst, ptr %src, i64 \00"
+@.str.1584 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1585 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1586 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1587 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1588 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1589 = private unnamed_addr constant [25 x i8] c", ptr %src, i32 0, i32 2\00"
+@.str.1590 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1591 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1592 = private unnamed_addr constant [5 x i8] c"%dst\00"
 @.str.1593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1594 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1595 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1596 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1598 = private unnamed_addr constant [5 x i8] c"%src\00"
-@.str.1599 = private unnamed_addr constant [5 x i8] c"%dst\00"
-@.str.1600 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1601 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1602 = private unnamed_addr constant [24 x i8] c", ptr %dst, i32 0, i32 \00"
+@.str.1594 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.1595 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.1596 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.1597 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1598 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1599 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1600 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
+@.str.1601 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1602 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1603 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1604 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1605 = private unnamed_addr constant [24 x i8] c", ptr %src, i32 0, i32 \00"
+@.str.1604 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1605 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1606 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1608 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.1609 = private unnamed_addr constant [22 x i8] c"define internal void \00"
-@.str.1610 = private unnamed_addr constant [21 x i8] c"(ptr %dst, ptr %src)\00"
-@.str.1611 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1612 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1613 = private unnamed_addr constant [36 x i8] c" = call i32 (ptr, ...) @printf(ptr \00"
-@.str.1614 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1615 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.1616 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1617 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.1618 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.1619 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1620 = private unnamed_addr constant [11 x i8] c"select i1 \00"
-@.str.1621 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1622 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1623 = private unnamed_addr constant [5 x i8] c"%lld\00"
-@.str.1624 = private unnamed_addr constant [5 x i8] c"i64 \00"
-@.str.1625 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1626 = private unnamed_addr constant [5 x i8] c"%llu\00"
-@.str.1627 = private unnamed_addr constant [5 x i8] c"i64 \00"
-@.str.1628 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1629 = private unnamed_addr constant [3 x i8] c"%g\00"
-@.str.1630 = private unnamed_addr constant [8 x i8] c"double \00"
-@.str.1631 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1632 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1633 = private unnamed_addr constant [9 x i8] c"sext i8 \00"
-@.str.1634 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.1635 = private unnamed_addr constant [5 x i8] c"'%c'\00"
-@.str.1636 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1637 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.1638 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1639 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1640 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.1641 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1642 = private unnamed_addr constant [11 x i8] c"select i1 \00"
-@.str.1643 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1644 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1645 = private unnamed_addr constant [3 x i8] c"%s\00"
-@.str.1646 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.1647 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1648 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.1649 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.1650 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.1651 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.1652 = private unnamed_addr constant [7 x i8] c"\22%.*s\22\00"
-@.str.1653 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1654 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1655 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.1656 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1657 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1658 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1659 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.1660 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.1661 = private unnamed_addr constant [9 x i8] c"ptr.null\00"
-@.str.1662 = private unnamed_addr constant [9 x i8] c"ptr.addr\00"
-@.str.1663 = private unnamed_addr constant [9 x i8] c"ptr.done\00"
-@.str.1664 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1665 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1666 = private unnamed_addr constant [7 x i8] c"0x%llx\00"
-@.str.1667 = private unnamed_addr constant [5 x i8] c"i64 \00"
-@.str.1668 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
-@.str.1669 = private unnamed_addr constant [8 x i8] c" to i64\00"
-@.str.1670 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1671 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1672 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1673 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.1674 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.1675 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.1676 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_print(ptr \00"
-@.str.1677 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1678 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_add(ptr \00"
-@.str.1679 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1680 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1681 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1682 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.1683 = private unnamed_addr constant [2 x i8] c"1\00"
-@.str.1684 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_int(ptr \00"
-@.str.1685 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1686 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1607 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1608 = private unnamed_addr constant [5 x i8] c"%dst\00"
+@.str.1609 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1610 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1611 = private unnamed_addr constant [24 x i8] c", ptr %dst, i32 0, i32 \00"
+@.str.1612 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1613 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1614 = private unnamed_addr constant [24 x i8] c", ptr %src, i32 0, i32 \00"
+@.str.1615 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1616 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1617 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.1618 = private unnamed_addr constant [22 x i8] c"define internal void \00"
+@.str.1619 = private unnamed_addr constant [21 x i8] c"(ptr %dst, ptr %src)\00"
+@.str.1620 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1621 = private unnamed_addr constant [31 x i8] c"call void @finch_str_drop(ptr \00"
+@.str.1622 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1623 = private unnamed_addr constant [11 x i8] c"call void \00"
+@.str.1624 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.1625 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1626 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1627 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.1628 = private unnamed_addr constant [13 x i8] c"@finch.drop.\00"
+@.str.1629 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1630 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1631 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1632 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1633 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1634 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1635 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1636 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1637 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1638 = private unnamed_addr constant [63 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1\00"
+@.str.1639 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1640 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1641 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1642 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1643 = private unnamed_addr constant [34 x i8] c"call void @finch_arr_free(ptr %a)\00"
+@.str.1644 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1645 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1646 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1647 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1648 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1649 = private unnamed_addr constant [23 x i8] c", ptr %a, i32 0, i32 2\00"
+@.str.1650 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1651 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1652 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.1653 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.1654 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.1655 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1656 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1657 = private unnamed_addr constant [34 x i8] c"call void @finch_map_free(ptr %a)\00"
+@.str.1658 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1659 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1660 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1661 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1662 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1663 = private unnamed_addr constant [22 x i8] c", ptr %a, i32 0, i32 \00"
+@.str.1664 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1665 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1666 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.1667 = private unnamed_addr constant [22 x i8] c"define internal void \00"
+@.str.1668 = private unnamed_addr constant [9 x i8] c"(ptr %a)\00"
+@.str.1669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1670 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1671 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1672 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1673 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1674 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1675 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1676 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1677 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1678 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1679 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1680 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1681 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1682 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1683 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.1684 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1685 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1686 = private unnamed_addr constant [36 x i8] c" = call i32 (ptr, ...) @printf(ptr \00"
 @.str.1687 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1688 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_uint(ptr \00"
-@.str.1689 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1690 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1691 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1692 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_float(ptr \00"
-@.str.1693 = private unnamed_addr constant [10 x i8] c", double \00"
-@.str.1694 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1695 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1696 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1697 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_char(ptr \00"
-@.str.1698 = private unnamed_addr constant [6 x i8] c", i8 \00"
-@.str.1699 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.1700 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1701 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1702 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_bool(ptr \00"
-@.str.1703 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.1704 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.1705 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.1706 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1707 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1708 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_str(ptr \00"
-@.str.1709 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1710 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.1711 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1712 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1713 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1714 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_ptr(ptr \00"
-@.str.1715 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1716 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1717 = private unnamed_addr constant [11 x i8] c"call void \00"
-@.str.1718 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.1719 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1720 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1721 = private unnamed_addr constant [15 x i8] c"@finch.format.\00"
-@.str.1722 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1723 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1724 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1725 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1726 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1727 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1728 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1729 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1730 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1731 = private unnamed_addr constant [63 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1\00"
-@.str.1732 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1733 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1734 = private unnamed_addr constant [4 x i8] c"sep\00"
-@.str.1735 = private unnamed_addr constant [5 x i8] c"item\00"
-@.str.1736 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
-@.str.1737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1738 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1739 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1740 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1741 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1742 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1743 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1744 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1745 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1746 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1747 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1748 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1749 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1750 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.1751 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1752 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1753 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1754 = private unnamed_addr constant [11 x i8] c"enum.other\00"
-@.str.1755 = private unnamed_addr constant [10 x i8] c"enum.done\00"
-@.str.1756 = private unnamed_addr constant [7 x i8] c"enum.v\00"
-@.str.1757 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1758 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1759 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1760 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1761 = private unnamed_addr constant [12 x i8] c"switch i32 \00"
-@.str.1762 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1763 = private unnamed_addr constant [4 x i8] c" [ \00"
-@.str.1764 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1765 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.1766 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1767 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1768 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1769 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1770 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1771 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1772 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1773 = private unnamed_addr constant [40 x i8] c"call void @finch_buf_int(ptr %buf, i64 \00"
-@.str.1774 = private unnamed_addr constant [10 x i8] c"sext i32 \00"
-@.str.1775 = private unnamed_addr constant [8 x i8] c" to i64\00"
-@.str.1776 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1777 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1778 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1779 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1780 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1781 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1782 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.1783 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1784 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.1785 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1786 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1787 = private unnamed_addr constant [23 x i8] c", ptr %a, i32 0, i32 2\00"
-@.str.1788 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1789 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1790 = private unnamed_addr constant [11 x i8] c"entry.live\00"
-@.str.1791 = private unnamed_addr constant [11 x i8] c"entry.next\00"
-@.str.1792 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.1793 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1794 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1795 = private unnamed_addr constant [4 x i8] c"sep\00"
-@.str.1796 = private unnamed_addr constant [5 x i8] c"item\00"
-@.str.1797 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1798 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1799 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1800 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1801 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1802 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1803 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1804 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1688 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.1689 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1690 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.1691 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.1692 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1693 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.1694 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1695 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1696 = private unnamed_addr constant [5 x i8] c"%lld\00"
+@.str.1697 = private unnamed_addr constant [5 x i8] c"i64 \00"
+@.str.1698 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1699 = private unnamed_addr constant [5 x i8] c"%llu\00"
+@.str.1700 = private unnamed_addr constant [5 x i8] c"i64 \00"
+@.str.1701 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.1702 = private unnamed_addr constant [3 x i8] c"%g\00"
+@.str.1703 = private unnamed_addr constant [8 x i8] c"double \00"
+@.str.1704 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1705 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1706 = private unnamed_addr constant [9 x i8] c"sext i8 \00"
+@.str.1707 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.1708 = private unnamed_addr constant [5 x i8] c"'%c'\00"
+@.str.1709 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1710 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.1711 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1712 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1713 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.1714 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1715 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.1716 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1717 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1718 = private unnamed_addr constant [3 x i8] c"%s\00"
+@.str.1719 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.1720 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1721 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.1722 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.1723 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.1724 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.1725 = private unnamed_addr constant [7 x i8] c"\22%.*s\22\00"
+@.str.1726 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1727 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1728 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.1729 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1730 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1731 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1732 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.1733 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.1734 = private unnamed_addr constant [9 x i8] c"ptr.null\00"
+@.str.1735 = private unnamed_addr constant [9 x i8] c"ptr.addr\00"
+@.str.1736 = private unnamed_addr constant [9 x i8] c"ptr.done\00"
+@.str.1737 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1738 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1739 = private unnamed_addr constant [7 x i8] c"0x%llx\00"
+@.str.1740 = private unnamed_addr constant [5 x i8] c"i64 \00"
+@.str.1741 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
+@.str.1742 = private unnamed_addr constant [8 x i8] c" to i64\00"
+@.str.1743 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1744 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1745 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1746 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.1747 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.1748 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.1749 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_print(ptr \00"
+@.str.1750 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1751 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_add(ptr \00"
+@.str.1752 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1753 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1754 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1755 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.1756 = private unnamed_addr constant [2 x i8] c"1\00"
+@.str.1757 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_int(ptr \00"
+@.str.1758 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1759 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1760 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1761 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_uint(ptr \00"
+@.str.1762 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1763 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.1764 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1765 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_float(ptr \00"
+@.str.1766 = private unnamed_addr constant [10 x i8] c", double \00"
+@.str.1767 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1768 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1769 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1770 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_char(ptr \00"
+@.str.1771 = private unnamed_addr constant [6 x i8] c", i8 \00"
+@.str.1772 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.1773 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1774 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1775 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_bool(ptr \00"
+@.str.1776 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.1777 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.1778 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.1779 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1780 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1781 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_str(ptr \00"
+@.str.1782 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1783 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.1784 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1785 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1786 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1787 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_ptr(ptr \00"
+@.str.1788 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1789 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1790 = private unnamed_addr constant [11 x i8] c"call void \00"
+@.str.1791 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.1792 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1793 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1794 = private unnamed_addr constant [15 x i8] c"@finch.format.\00"
+@.str.1795 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1796 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1797 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1798 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1799 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1800 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1801 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1802 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1803 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1804 = private unnamed_addr constant [63 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1\00"
 @.str.1805 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1806 = private unnamed_addr constant [3 x i8] c": \00"
-@.str.1807 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1808 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1809 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1810 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1811 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.1812 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1813 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1814 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1815 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1816 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1817 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1818 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1806 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1807 = private unnamed_addr constant [4 x i8] c"sep\00"
+@.str.1808 = private unnamed_addr constant [5 x i8] c"item\00"
+@.str.1809 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
+@.str.1810 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1811 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1812 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1813 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1814 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1815 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1816 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1817 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1818 = private unnamed_addr constant [5 x i8] c"%buf\00"
 @.str.1819 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1820 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1821 = private unnamed_addr constant [3 x i8] c": \00"
-@.str.1822 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1823 = private unnamed_addr constant [22 x i8] c", ptr %a, i32 0, i32 \00"
+@.str.1820 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1821 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1822 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1823 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.1824 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1825 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1826 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1827 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1828 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1829 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1830 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.1831 = private unnamed_addr constant [22 x i8] c"define internal void \00"
-@.str.1832 = private unnamed_addr constant [19 x i8] c"(ptr %buf, ptr %a)\00"
-@.str.1833 = private unnamed_addr constant [7 x i8] c"trunc \00"
-@.str.1834 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1835 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1836 = private unnamed_addr constant [6 x i8] c"sext \00"
+@.str.1825 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1826 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1827 = private unnamed_addr constant [11 x i8] c"enum.other\00"
+@.str.1828 = private unnamed_addr constant [10 x i8] c"enum.done\00"
+@.str.1829 = private unnamed_addr constant [7 x i8] c"enum.v\00"
+@.str.1830 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1832 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1833 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1834 = private unnamed_addr constant [12 x i8] c"switch i32 \00"
+@.str.1835 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1836 = private unnamed_addr constant [4 x i8] c" [ \00"
 @.str.1837 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1838 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1839 = private unnamed_addr constant [6 x i8] c"zext \00"
-@.str.1840 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1841 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1842 = private unnamed_addr constant [7 x i8] c"fpext \00"
-@.str.1843 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1844 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1845 = private unnamed_addr constant [9 x i8] c"fptrunc \00"
-@.str.1846 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1847 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1848 = private unnamed_addr constant [8 x i8] c"sitofp \00"
-@.str.1849 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1850 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1851 = private unnamed_addr constant [8 x i8] c"uitofp \00"
-@.str.1852 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1853 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1854 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1855 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1856 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1857 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1858 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1859 = private unnamed_addr constant [12 x i8] c"the number \00"
-@.str.1860 = private unnamed_addr constant [17 x i8] c" doesn't fit in \00"
-@.str.1861 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1862 = private unnamed_addr constant [3 x i8] c".0\00"
-@.str.1863 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1864 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1865 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1866 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1867 = private unnamed_addr constant [10 x i8] c" must be \00"
-@.str.1868 = private unnamed_addr constant [15 x i8] c", but this is \00"
-@.str.1869 = private unnamed_addr constant [7 x i8] c" (use \00"
-@.str.1870 = private unnamed_addr constant [17 x i8] c"(...) to convert\00"
-@.str.1871 = private unnamed_addr constant [27 x i8] c", it cuts off the fraction\00"
-@.str.1872 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1873 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1874 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1875 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1876 = private unnamed_addr constant [35 x i8] c" (turn it into text with str(...))\00"
+@.str.1838 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.1839 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1840 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1842 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1844 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1845 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1846 = private unnamed_addr constant [40 x i8] c"call void @finch_buf_int(ptr %buf, i64 \00"
+@.str.1847 = private unnamed_addr constant [10 x i8] c"sext i32 \00"
+@.str.1848 = private unnamed_addr constant [8 x i8] c" to i64\00"
+@.str.1849 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1850 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1851 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1852 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1853 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1854 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1855 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.1856 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1857 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.1858 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1859 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1860 = private unnamed_addr constant [23 x i8] c", ptr %a, i32 0, i32 2\00"
+@.str.1861 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1862 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1863 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.1864 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.1865 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.1866 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1867 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1868 = private unnamed_addr constant [4 x i8] c"sep\00"
+@.str.1869 = private unnamed_addr constant [5 x i8] c"item\00"
+@.str.1870 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1871 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1872 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1873 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1874 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1875 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1876 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1877 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1878 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1879 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1880 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1878 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1879 = private unnamed_addr constant [3 x i8] c": \00"
+@.str.1880 = private unnamed_addr constant [5 x i8] c"%buf\00"
 @.str.1881 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1882 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1883 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1884 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1885 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1886 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1882 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1883 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1884 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.1885 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1886 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1887 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1888 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1889 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.1890 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1891 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1892 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1888 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1889 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1890 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1891 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1892 = private unnamed_addr constant [5 x i8] c"%buf\00"
 @.str.1893 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1894 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1895 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
-@.str.1896 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1897 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1898 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1894 = private unnamed_addr constant [3 x i8] c": \00"
+@.str.1895 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1896 = private unnamed_addr constant [22 x i8] c", ptr %a, i32 0, i32 \00"
+@.str.1897 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1898 = private unnamed_addr constant [5 x i8] c"%buf\00"
 @.str.1899 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1900 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1901 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1902 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1903 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1904 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1905 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1906 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1907 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1908 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1909 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1910 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1912 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1913 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1914 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1915 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1916 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1917 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1918 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1919 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1920 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1921 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1922 = private unnamed_addr constant [6 x i8] c"print\00"
-@.str.1923 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.1924 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1925 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1926 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1927 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1928 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1929 = private unnamed_addr constant [10 x i8] c"read_file\00"
-@.str.1930 = private unnamed_addr constant [11 x i8] c"write_file\00"
-@.str.1931 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.1932 = private unnamed_addr constant [6 x i8] c"shell\00"
-@.str.1933 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.1934 = private unnamed_addr constant [6 x i8] c"input\00"
-@.str.1935 = private unnamed_addr constant [4 x i8] c"new\00"
-@.str.1936 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.1937 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1938 = private unnamed_addr constant [12 x i8] c"delete_file\00"
-@.str.1939 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.1940 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.1941 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1942 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1943 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.1944 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.1945 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.1946 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1947 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1948 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.1949 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.1950 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.1951 = private unnamed_addr constant [19 x i8] c"a variable named '\00"
-@.str.1952 = private unnamed_addr constant [22 x i8] c"' already exists here\00"
-@.str.1953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1954 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.1955 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1956 = private unnamed_addr constant [36 x i8] c"' is already the name of a function\00"
-@.str.1957 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1958 = private unnamed_addr constant [39 x i8] c"' is a built-in name, pick another one\00"
+@.str.1901 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1902 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1903 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.1904 = private unnamed_addr constant [22 x i8] c"define internal void \00"
+@.str.1905 = private unnamed_addr constant [19 x i8] c"(ptr %buf, ptr %a)\00"
+@.str.1906 = private unnamed_addr constant [7 x i8] c"trunc \00"
+@.str.1907 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1908 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1909 = private unnamed_addr constant [6 x i8] c"sext \00"
+@.str.1910 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1911 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1912 = private unnamed_addr constant [6 x i8] c"zext \00"
+@.str.1913 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1914 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1915 = private unnamed_addr constant [7 x i8] c"fpext \00"
+@.str.1916 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1917 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1918 = private unnamed_addr constant [9 x i8] c"fptrunc \00"
+@.str.1919 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1920 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1921 = private unnamed_addr constant [8 x i8] c"sitofp \00"
+@.str.1922 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1923 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1924 = private unnamed_addr constant [8 x i8] c"uitofp \00"
+@.str.1925 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1926 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1927 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1928 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1929 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1930 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1931 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1932 = private unnamed_addr constant [12 x i8] c"the number \00"
+@.str.1933 = private unnamed_addr constant [17 x i8] c" doesn't fit in \00"
+@.str.1934 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1935 = private unnamed_addr constant [3 x i8] c".0\00"
+@.str.1936 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1937 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1938 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1939 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1940 = private unnamed_addr constant [10 x i8] c" must be \00"
+@.str.1941 = private unnamed_addr constant [15 x i8] c", but this is \00"
+@.str.1942 = private unnamed_addr constant [7 x i8] c" (use \00"
+@.str.1943 = private unnamed_addr constant [17 x i8] c"(...) to convert\00"
+@.str.1944 = private unnamed_addr constant [27 x i8] c", it cuts off the fraction\00"
+@.str.1945 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1946 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1947 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1948 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1949 = private unnamed_addr constant [35 x i8] c" (turn it into text with str(...))\00"
+@.str.1950 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1951 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1952 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1953 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1954 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1955 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1956 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1958 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.1959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1960 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1960 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1961 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1962 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1962 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.1963 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1964 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1965 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.1964 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1965 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1966 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1967 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1968 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1967 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1968 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
 @.str.1969 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1970 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.1970 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.1971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1972 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1973 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.1974 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1975 = private unnamed_addr constant [2 x i8] c"$\00"
-@.str.1976 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1977 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1972 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1973 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1974 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1975 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1976 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1977 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1979 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.1979 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.1980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1981 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1982 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.1982 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.1983 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1985 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1986 = private unnamed_addr constant [4 x i8] c"@V\09\00"
-@.str.1987 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1988 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1985 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1987 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1988 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1990 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1990 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.1991 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1992 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1993 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1994 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1995 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1996 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1997 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1998 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1999 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.2000 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.2001 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.2002 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.2003 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2004 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2005 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2006 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2007 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2008 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2009 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.2010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2011 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2012 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2014 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2015 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2016 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
-@.str.2017 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2018 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2019 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2020 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2021 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
-@.str.2022 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2023 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.2024 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2025 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2026 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.2027 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2028 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2029 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2030 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
-@.str.2031 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2032 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2033 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2034 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.2035 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2036 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1992 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1993 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1994 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1995 = private unnamed_addr constant [6 x i8] c"print\00"
+@.str.1996 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.1997 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1998 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1999 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2000 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.2001 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2002 = private unnamed_addr constant [10 x i8] c"read_file\00"
+@.str.2003 = private unnamed_addr constant [11 x i8] c"write_file\00"
+@.str.2004 = private unnamed_addr constant [12 x i8] c"file_exists\00"
+@.str.2005 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.2006 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.2007 = private unnamed_addr constant [6 x i8] c"input\00"
+@.str.2008 = private unnamed_addr constant [4 x i8] c"new\00"
+@.str.2009 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.2010 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2011 = private unnamed_addr constant [12 x i8] c"delete_file\00"
+@.str.2012 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.2013 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.2014 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.2015 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.2016 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.2017 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.2018 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.2019 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.2020 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2021 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.2022 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.2023 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.2024 = private unnamed_addr constant [19 x i8] c"a variable named '\00"
+@.str.2025 = private unnamed_addr constant [22 x i8] c"' already exists here\00"
+@.str.2026 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2027 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2028 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2029 = private unnamed_addr constant [36 x i8] c"' is already the name of a function\00"
+@.str.2030 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2031 = private unnamed_addr constant [39 x i8] c"' is a built-in name, pick another one\00"
+@.str.2032 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2033 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2034 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2035 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2036 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2037 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2038 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.2039 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2040 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.2041 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.2042 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.2043 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.2044 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2045 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2046 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.2047 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.2048 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.2049 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.2050 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.2051 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.2052 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.2053 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.2054 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.2040 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2041 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2042 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2043 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2044 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.2045 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2046 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.2047 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2048 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2049 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.2050 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2051 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.2052 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.2053 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2054 = private unnamed_addr constant [2 x i8] c"$\00"
 @.str.2055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2056 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.2056 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2057 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2058 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2058 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2060 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.2061 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.2060 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2061 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2062 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2064 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2065 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2066 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2067 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2064 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.2065 = private unnamed_addr constant [4 x i8] c"@V\09\00"
+@.str.2066 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2067 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.2068 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2069 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2069 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.2070 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2071 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2072 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2073 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2074 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2075 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2071 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2072 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2073 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2074 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2075 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.2076 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2078 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2079 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2080 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2081 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2082 = private unnamed_addr constant [13 x i8] c"the struct '\00"
-@.str.2083 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
-@.str.2084 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2085 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2086 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2087 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2088 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2089 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2091 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2092 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2093 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2094 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2095 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2077 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2078 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2079 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.2080 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2081 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.2082 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2083 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2084 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2086 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.2087 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2088 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2090 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2092 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.2093 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2094 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2095 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2097 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2098 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2097 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2098 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2100 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2101 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2100 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2101 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.2102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2103 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2103 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2105 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2105 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.2106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2107 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2107 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
 @.str.2108 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2109 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2110 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.2111 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2109 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
+@.str.2110 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2111 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.2112 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2113 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2115 = private unnamed_addr constant [10 x i8] c"the enum \00"
-@.str.2116 = private unnamed_addr constant [18 x i8] c" has the variant \00"
-@.str.2117 = private unnamed_addr constant [7 x i8] c" twice\00"
-@.str.2118 = private unnamed_addr constant [17 x i8] c"two variants of \00"
-@.str.2119 = private unnamed_addr constant [18 x i8] c" have the number \00"
-@.str.2120 = private unnamed_addr constant [21 x i8] c" (give each its own)\00"
+@.str.2115 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
+@.str.2116 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2117 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2118 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2119 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2122 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.2123 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2124 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.2125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2126 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2127 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2122 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2123 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2124 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2125 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
+@.str.2126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2127 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
 @.str.2128 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2129 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.2130 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2132 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2129 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2130 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.2131 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.2132 = private unnamed_addr constant [6 x i8] c"index\00"
 @.str.2133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2134 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2136 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2137 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2138 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2139 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2140 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2141 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2142 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2143 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2144 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2145 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2134 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2135 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.2136 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.2137 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.2138 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.2139 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.2140 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.2141 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.2142 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.2143 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.2144 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2145 = private unnamed_addr constant [7 x i8] c"method\00"
 @.str.2146 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2148 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2149 = private unnamed_addr constant [11 x i8] c"function '\00"
-@.str.2150 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2147 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2148 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2149 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.2150 = private unnamed_addr constant [5 x i8] c"addr\00"
 @.str.2151 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2152 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2153 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2154 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
-@.str.2155 = private unnamed_addr constant [54 x i8] c"' here (a method goes in the same file as its struct)\00"
+@.str.2152 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2153 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2155 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2156 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2157 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2159 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2160 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2161 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2157 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2158 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2160 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2161 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2162 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2163 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2164 = private unnamed_addr constant [12 x i8] c"the method \00"
-@.str.2165 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2166 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
-@.str.2167 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2168 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2169 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2170 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2171 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2172 = private unnamed_addr constant [27 x i8] c"there is no struct named '\00"
-@.str.2173 = private unnamed_addr constant [77 x i8] c"' here (a method goes in the same file as its struct, or on a struct from C)\00"
-@.str.2174 = private unnamed_addr constant [12 x i8] c"the method \00"
-@.str.2175 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2176 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
+@.str.2163 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2165 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2167 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2169 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2170 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2171 = private unnamed_addr constant [13 x i8] c"the struct '\00"
+@.str.2172 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2173 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2174 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2175 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2176 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2178 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2180 = private unnamed_addr constant [12 x i8] c"the struct \00"
-@.str.2181 = private unnamed_addr constant [29 x i8] c" already has a field named '\00"
-@.str.2182 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2180 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2182 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2184 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2185 = private unnamed_addr constant [11 x i8] c"function '\00"
-@.str.2186 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
-@.str.2187 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.2188 = private unnamed_addr constant [44 x i8] c"' is a built-in function, pick another name\00"
-@.str.2189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2190 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2191 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2192 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2193 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2194 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2195 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2196 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2197 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2198 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2199 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2201 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2203 = private unnamed_addr constant [23 x i8] c"'self' is already the \00"
-@.str.2204 = private unnamed_addr constant [25 x i8] c" the method is called on\00"
-@.str.2205 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2206 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2207 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2208 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2209 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2184 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2185 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2186 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2187 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2188 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2189 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2190 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2191 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2192 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2193 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2194 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2196 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2198 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2199 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2200 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2201 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2202 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2203 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2204 = private unnamed_addr constant [10 x i8] c"the enum \00"
+@.str.2205 = private unnamed_addr constant [18 x i8] c" has the variant \00"
+@.str.2206 = private unnamed_addr constant [7 x i8] c" twice\00"
+@.str.2207 = private unnamed_addr constant [17 x i8] c"two variants of \00"
+@.str.2208 = private unnamed_addr constant [18 x i8] c" have the number \00"
+@.str.2209 = private unnamed_addr constant [21 x i8] c" (give each its own)\00"
 @.str.2210 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2211 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2211 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.2212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2213 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2213 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.2214 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2216 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2215 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2216 = private unnamed_addr constant [2 x i8] c"C\00"
 @.str.2217 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2219 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2218 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.2219 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2220 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2221 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2221 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2222 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2223 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2223 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2224 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2225 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2225 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2228 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2228 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2231 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2230 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2231 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2232 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2234 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2233 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2234 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2236 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2237 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2238 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2239 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2236 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2237 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2238 = private unnamed_addr constant [11 x i8] c"function '\00"
+@.str.2239 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
 @.str.2240 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2241 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2243 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2244 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2241 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2242 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2243 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
+@.str.2244 = private unnamed_addr constant [54 x i8] c"' here (a method goes in the same file as its struct)\00"
 @.str.2245 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2246 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2247 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2248 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2246 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2247 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2248 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2249 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2250 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2250 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2251 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2253 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
-@.str.2254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2255 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2252 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2253 = private unnamed_addr constant [12 x i8] c"the method \00"
+@.str.2254 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2255 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
 @.str.2256 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2257 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2258 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2259 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2260 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2261 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2262 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2263 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2264 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2265 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2257 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2258 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2259 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2260 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2261 = private unnamed_addr constant [27 x i8] c"there is no struct named '\00"
+@.str.2262 = private unnamed_addr constant [77 x i8] c"' here (a method goes in the same file as its struct, or on a struct from C)\00"
+@.str.2263 = private unnamed_addr constant [12 x i8] c"the method \00"
+@.str.2264 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2265 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
 @.str.2266 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2267 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2268 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2269 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2270 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2271 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2267 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2268 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2269 = private unnamed_addr constant [12 x i8] c"the struct \00"
+@.str.2270 = private unnamed_addr constant [29 x i8] c" already has a field named '\00"
+@.str.2271 = private unnamed_addr constant [2 x i8] c"'\00"
 @.str.2272 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2273 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2274 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2275 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2276 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2277 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2278 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2279 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2280 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2273 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2274 = private unnamed_addr constant [11 x i8] c"function '\00"
+@.str.2275 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2276 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2277 = private unnamed_addr constant [44 x i8] c"' is a built-in function, pick another name\00"
+@.str.2278 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2279 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2280 = private unnamed_addr constant [8 x i8] c"@finch.\00"
 @.str.2281 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2282 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2284 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2282 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2283 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2284 = private unnamed_addr constant [8 x i8] c"@finch.\00"
 @.str.2285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2286 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2287 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2288 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
-@.str.2289 = private unnamed_addr constant [29 x i8] c"' (a struct written  struct \00"
-@.str.2290 = private unnamed_addr constant [35 x i8] c"[T] { ... }  takes type arguments)\00"
+@.str.2286 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2287 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2288 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2290 = private unnamed_addr constant [5 x i8] c"self\00"
 @.str.2291 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2292 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2293 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2294 = private unnamed_addr constant [8 x i8] c" takes \00"
-@.str.2295 = private unnamed_addr constant [25 x i8] c" type argument(s), like \00"
-@.str.2296 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2297 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2298 = private unnamed_addr constant [12 x i8] c"], but got \00"
-@.str.2299 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2300 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.2292 = private unnamed_addr constant [23 x i8] c"'self' is already the \00"
+@.str.2293 = private unnamed_addr constant [25 x i8] c" the method is called on\00"
+@.str.2294 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2296 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2297 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2298 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2300 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2302 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2302 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2303 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2304 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2305 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2304 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2305 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2306 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2307 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2309 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2310 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.2307 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2308 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2309 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2310 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2312 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2312 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2313 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2314 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2315 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2316 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2317 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2318 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2319 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2320 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2314 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2317 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2318 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2320 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2322 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2323 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2324 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2325 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2326 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2322 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2323 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2324 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2325 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2327 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2328 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2328 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2330 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2330 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2332 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2333 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2334 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2335 = private unnamed_addr constant [18 x i8] c" (while building \00"
-@.str.2336 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2332 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2333 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2334 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2336 = private unnamed_addr constant [5 x i8] c"self\00"
 @.str.2337 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2338 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2339 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2338 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2339 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2341 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2342 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2342 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
 @.str.2343 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2344 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2345 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2346 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2347 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2348 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2349 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2344 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2345 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2346 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2347 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2348 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2349 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2350 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2351 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2352 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2353 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2351 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2352 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2353 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2354 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2355 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2356 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.2357 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2358 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
+@.str.2355 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2356 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2357 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2360 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2361 = private unnamed_addr constant [30 x i8] c"used .types on a null pointer\00"
+@.str.2360 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2362 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2363 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2364 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
+@.str.2364 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2365 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2366 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2367 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.2368 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.2366 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2367 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2368 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2369 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2370 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2371 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2372 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2371 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2372 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2373 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2374 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2375 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2377 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.2378 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2379 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2380 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2381 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2375 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2376 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2377 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
+@.str.2378 = private unnamed_addr constant [29 x i8] c"' (a struct written  struct \00"
+@.str.2379 = private unnamed_addr constant [35 x i8] c"[T] { ... }  takes type arguments)\00"
+@.str.2380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2381 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2382 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2383 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2384 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2385 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2386 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2387 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2388 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2389 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2383 = private unnamed_addr constant [8 x i8] c" takes \00"
+@.str.2384 = private unnamed_addr constant [25 x i8] c" type argument(s), like \00"
+@.str.2385 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2386 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2387 = private unnamed_addr constant [12 x i8] c"], but got \00"
+@.str.2388 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2389 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.2390 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2391 = private unnamed_addr constant [8 x i8] c" takes \00"
-@.str.2392 = private unnamed_addr constant [28 x i8] c" type argument(s), but got \00"
-@.str.2393 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2394 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2395 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2396 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2391 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2392 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2393 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2394 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2395 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2396 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2397 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2398 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2399 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2398 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2399 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.2400 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2401 = private unnamed_addr constant [30 x i8] c"this has no type to work out \00"
-@.str.2402 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2403 = private unnamed_addr constant [6 x i8] c" from\00"
-@.str.2404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2405 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2406 = private unnamed_addr constant [17 x i8] c"can't tell what \00"
-@.str.2407 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2408 = private unnamed_addr constant [25 x i8] c" is here; write it out: \00"
-@.str.2409 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
-@.str.2410 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2411 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2412 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2413 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2401 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2403 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2404 = private unnamed_addr constant [8 x i8] c"@finch.\00"
+@.str.2405 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2406 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2407 = private unnamed_addr constant [8 x i8] c"@finch.\00"
+@.str.2408 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2409 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2410 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2411 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2412 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2413 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
 @.str.2414 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2415 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2415 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2416 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2417 = private unnamed_addr constant [11 x i8] c"argument '\00"
+@.str.2417 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2418 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2419 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2419 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.2420 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2421 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2421 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
 @.str.2422 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2423 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.2424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2425 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2423 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2424 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2425 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2427 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2427 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2428 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2429 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2431 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2432 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2433 = private unnamed_addr constant [7 x i8] c" x i8]\00"
-@.str.2434 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2435 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2436 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2431 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2434 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2436 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
 @.str.2437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2438 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2438 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2439 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2440 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2441 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2442 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2440 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2441 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2442 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2443 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2444 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2445 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2446 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2447 = private unnamed_addr constant [7 x i8] c" x i8]\00"
+@.str.2444 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2445 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.2446 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2447 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
 @.str.2448 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2449 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2450 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2451 = private unnamed_addr constant [50 x i8] c"has fields Finch can't see (unions or bit fields)\00"
+@.str.2449 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2450 = private unnamed_addr constant [30 x i8] c"used .types on a null pointer\00"
+@.str.2451 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2452 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2453 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2453 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
 @.str.2454 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2455 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2456 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2457 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2455 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.2456 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2457 = private unnamed_addr constant [6 x i8] c"fixed\00"
 @.str.2458 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2459 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2460 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2461 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2462 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2459 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2460 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2461 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2462 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2463 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2465 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.2466 = private unnamed_addr constant [6 x i8] c"%S.C.\00"
-@.str.2467 = private unnamed_addr constant [11 x i8] c" = type { \00"
-@.str.2468 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2469 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.2465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2466 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.2467 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2468 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2469 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2470 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2471 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2471 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2472 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2473 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2474 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2474 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2475 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2476 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2477 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2477 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2478 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2479 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2480 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2481 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2482 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2483 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2484 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2485 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2486 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2487 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2480 = private unnamed_addr constant [8 x i8] c" takes \00"
+@.str.2481 = private unnamed_addr constant [28 x i8] c" type argument(s), but got \00"
+@.str.2482 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2483 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2484 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2485 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2486 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2487 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.2488 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2489 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2490 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2491 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2492 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2493 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2494 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2495 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2489 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2490 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2491 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2492 = private unnamed_addr constant [30 x i8] c"this has no type to work out \00"
+@.str.2493 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2494 = private unnamed_addr constant [6 x i8] c" from\00"
+@.str.2495 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2496 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2497 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2497 = private unnamed_addr constant [17 x i8] c"can't tell what \00"
 @.str.2498 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2499 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2501 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2499 = private unnamed_addr constant [25 x i8] c" is here; write it out: \00"
+@.str.2500 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
+@.str.2501 = private unnamed_addr constant [5 x i8] c"void\00"
 @.str.2502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2503 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2503 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2505 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2505 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2506 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2507 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2509 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2511 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2512 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2507 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2508 = private unnamed_addr constant [11 x i8] c"argument '\00"
+@.str.2509 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2510 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2511 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2512 = private unnamed_addr constant [2 x i8] c" \00"
 @.str.2513 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2514 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2515 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2514 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.2515 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2516 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2517 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2519 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2520 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2521 = private unnamed_addr constant [12 x i8] c"the struct \00"
-@.str.2522 = private unnamed_addr constant [27 x i8] c" contains itself; use ptr[\00"
-@.str.2523 = private unnamed_addr constant [8 x i8] c"] or []\00"
-@.str.2524 = private unnamed_addr constant [16 x i8] c" for that field\00"
+@.str.2519 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2520 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2521 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2522 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2523 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2524 = private unnamed_addr constant [7 x i8] c" x i8]\00"
 @.str.2525 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2526 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2527 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2528 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2529 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2529 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2530 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2531 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2532 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2531 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2532 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2533 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2534 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2535 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2534 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2535 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2537 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2538 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2537 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2538 = private unnamed_addr constant [7 x i8] c" x i8]\00"
 @.str.2539 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2540 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2541 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2542 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2543 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2544 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2542 = private unnamed_addr constant [50 x i8] c"has fields Finch can't see (unions or bit fields)\00"
+@.str.2543 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2544 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2546 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2547 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2546 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2547 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2548 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2549 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2550 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2549 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2550 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2552 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2554 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2552 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2553 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2554 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2555 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2556 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2557 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.2558 = private unnamed_addr constant [4 x i8] c"%S.\00"
-@.str.2559 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2560 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2556 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.2557 = private unnamed_addr constant [6 x i8] c"%S.C.\00"
+@.str.2558 = private unnamed_addr constant [11 x i8] c" = type { \00"
+@.str.2559 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2560 = private unnamed_addr constant [3 x i8] c" }\00"
 @.str.2561 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2562 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2562 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2563 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2564 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2566 = private unnamed_addr constant [11 x i8] c" = type { \00"
-@.str.2567 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2568 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.2564 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2565 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2568 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2570 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2571 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2572 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2573 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2574 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.2575 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2576 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.2577 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.2578 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2579 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.2580 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.2581 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.2582 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.2583 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.2584 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.2585 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.2586 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.2587 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.2588 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2589 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2590 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.2570 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2571 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2572 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2573 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2574 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2575 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2576 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2577 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2578 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2579 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2580 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2581 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2582 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2583 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2584 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2585 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2586 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2587 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2588 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2589 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2590 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2591 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2592 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2592 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2594 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2594 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.2595 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2596 = private unnamed_addr constant [43 x i8] c"!DIDerivedType(tag: DW_TAG_member, name: \22\00"
-@.str.2597 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
-@.str.2598 = private unnamed_addr constant [10 x i8] c", file: !\00"
-@.str.2599 = private unnamed_addr constant [9 x i8] c", line: \00"
-@.str.2600 = private unnamed_addr constant [13 x i8] c", baseType: \00"
-@.str.2601 = private unnamed_addr constant [9 x i8] c", size: \00"
-@.str.2602 = private unnamed_addr constant [11 x i8] c", offset: \00"
-@.str.2603 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2604 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
-@.str.2605 = private unnamed_addr constant [10 x i8] c"\22, size: \00"
-@.str.2606 = private unnamed_addr constant [13 x i8] c", encoding: \00"
-@.str.2607 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2608 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2609 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2610 = private unnamed_addr constant [3 x i8] c"T:\00"
+@.str.2596 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2598 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2599 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2600 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2601 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2602 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2603 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2604 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2605 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2606 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2608 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2609 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2610 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2611 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2612 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2613 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2614 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2615 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2612 = private unnamed_addr constant [12 x i8] c"the struct \00"
+@.str.2613 = private unnamed_addr constant [27 x i8] c" contains itself; use ptr[\00"
+@.str.2614 = private unnamed_addr constant [8 x i8] c"] or []\00"
+@.str.2615 = private unnamed_addr constant [16 x i8] c" for that field\00"
 @.str.2616 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2617 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.2617 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2618 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2619 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.2620 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.2621 = private unnamed_addr constant [15 x i8] c"DW_ATE_boolean\00"
-@.str.2622 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2623 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2624 = private unnamed_addr constant [19 x i8] c"DW_ATE_signed_char\00"
-@.str.2625 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2626 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2627 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
-@.str.2628 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.2629 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.2630 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
-@.str.2631 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.2632 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.2633 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
-@.str.2634 = private unnamed_addr constant [16 x i8] c"DW_ATE_unsigned\00"
-@.str.2635 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
-@.str.2636 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.2637 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2638 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.2619 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2620 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2621 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2622 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2623 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2624 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2625 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2626 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2627 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2628 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2629 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2630 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2631 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2632 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2633 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2634 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2635 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2636 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2637 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2638 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2639 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2640 = private unnamed_addr constant [22 x i8] c"!DIEnumerator(name: \22\00"
+@.str.2640 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2641 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2642 = private unnamed_addr constant [11 x i8] c"\22, value: \00"
-@.str.2643 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2644 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2645 = private unnamed_addr constant [55 x i8] c"!DICompositeType(tag: DW_TAG_enumeration_type, name: \22\00"
-@.str.2646 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2647 = private unnamed_addr constant [25 x i8] c", size: 32, elements: !{\00"
-@.str.2648 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2649 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2650 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2651 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2652 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2653 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2642 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2643 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2644 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2645 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2646 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2647 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2648 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.2649 = private unnamed_addr constant [4 x i8] c"%S.\00"
+@.str.2650 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2651 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2652 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2653 = private unnamed_addr constant [2 x i8] c".\00"
 @.str.2654 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2655 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
-@.str.2656 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
-@.str.2657 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2658 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2659 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2660 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.2661 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2662 = private unnamed_addr constant [20 x i8] c"!DISubrange(count: \00"
-@.str.2663 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2664 = private unnamed_addr constant [52 x i8] c"!DICompositeType(tag: DW_TAG_array_type, baseType: \00"
-@.str.2665 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2666 = private unnamed_addr constant [9 x i8] c", size: \00"
-@.str.2667 = private unnamed_addr constant [16 x i8] c", elements: !{!\00"
-@.str.2668 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2670 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2671 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2672 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.2673 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2674 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2675 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2676 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2677 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
-@.str.2678 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
-@.str.2679 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2680 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.2681 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.2682 = private unnamed_addr constant [4 x i8] c"cap\00"
-@.str.2683 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
-@.str.2684 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2685 = private unnamed_addr constant [38 x i8] c", size: 192, align: 64, elements: !{!\00"
-@.str.2686 = private unnamed_addr constant [4 x i8] c", !\00"
-@.str.2687 = private unnamed_addr constant [4 x i8] c", !\00"
-@.str.2688 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2689 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2690 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2691 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2692 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2693 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2694 = private unnamed_addr constant [67 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)\00"
-@.str.2695 = private unnamed_addr constant [8 x i8] c"entries\00"
-@.str.2696 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.2697 = private unnamed_addr constant [5 x i8] c"used\00"
-@.str.2698 = private unnamed_addr constant [4 x i8] c"cap\00"
-@.str.2699 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.2700 = private unnamed_addr constant [5 x i8] c"icap\00"
-@.str.2701 = private unnamed_addr constant [5 x i8] c"adds\00"
-@.str.2702 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.2703 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2704 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
-@.str.2705 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2706 = private unnamed_addr constant [37 x i8] c", size: 448, align: 64, elements: !{\00"
-@.str.2707 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2708 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2655 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2656 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2657 = private unnamed_addr constant [11 x i8] c" = type { \00"
+@.str.2658 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2659 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.2660 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2661 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2663 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2664 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2665 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2666 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2667 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.2668 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2669 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2670 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.2671 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.2672 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.2673 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.2674 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.2675 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.2676 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2677 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2678 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.2679 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.2680 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2681 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.2682 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2683 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2684 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2685 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2686 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2687 = private unnamed_addr constant [43 x i8] c"!DIDerivedType(tag: DW_TAG_member, name: \22\00"
+@.str.2688 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
+@.str.2689 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2690 = private unnamed_addr constant [9 x i8] c", line: \00"
+@.str.2691 = private unnamed_addr constant [13 x i8] c", baseType: \00"
+@.str.2692 = private unnamed_addr constant [9 x i8] c", size: \00"
+@.str.2693 = private unnamed_addr constant [11 x i8] c", offset: \00"
+@.str.2694 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2695 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
+@.str.2696 = private unnamed_addr constant [10 x i8] c"\22, size: \00"
+@.str.2697 = private unnamed_addr constant [13 x i8] c", encoding: \00"
+@.str.2698 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2699 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2700 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2701 = private unnamed_addr constant [3 x i8] c"T:\00"
+@.str.2702 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2703 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2704 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2705 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2706 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2707 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2708 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
 @.str.2709 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2710 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2711 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2712 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2713 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2714 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2715 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2716 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2717 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.2718 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2719 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2720 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2721 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
-@.str.2722 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2723 = private unnamed_addr constant [9 x i8] c", size: \00"
-@.str.2724 = private unnamed_addr constant [25 x i8] c", align: 8, elements: !{\00"
-@.str.2725 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2726 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2727 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2728 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2729 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2730 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
-@.str.2731 = private unnamed_addr constant [40 x i8] c"\22, size: 64, encoding: DW_ATE_unsigned)\00"
+@.str.2710 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2711 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2712 = private unnamed_addr constant [15 x i8] c"DW_ATE_boolean\00"
+@.str.2713 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2714 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2715 = private unnamed_addr constant [19 x i8] c"DW_ATE_signed_char\00"
+@.str.2716 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2717 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2718 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
+@.str.2719 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.2720 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.2721 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
+@.str.2722 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2723 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2724 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
+@.str.2725 = private unnamed_addr constant [16 x i8] c"DW_ATE_unsigned\00"
+@.str.2726 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
+@.str.2727 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2728 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2729 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.2730 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2731 = private unnamed_addr constant [22 x i8] c"!DIEnumerator(name: \22\00"
 @.str.2732 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2733 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2733 = private unnamed_addr constant [11 x i8] c"\22, value: \00"
 @.str.2734 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2735 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2736 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2737 = private unnamed_addr constant [3 x i8] c"L:\00"
-@.str.2738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2739 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2740 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.2741 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2742 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2743 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.2744 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2745 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2746 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2747 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2735 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2736 = private unnamed_addr constant [55 x i8] c"!DICompositeType(tag: DW_TAG_enumeration_type, name: \22\00"
+@.str.2737 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2738 = private unnamed_addr constant [25 x i8] c", size: 32, elements: !{\00"
+@.str.2739 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2740 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2741 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2742 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2743 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2744 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2745 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2746 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
+@.str.2747 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
 @.str.2748 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2749 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2749 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2750 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2751 = private unnamed_addr constant [19 x i8] c"!DILocation(line: \00"
+@.str.2751 = private unnamed_addr constant [6 x i8] c"fixed\00"
 @.str.2752 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2753 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2754 = private unnamed_addr constant [11 x i8] c", column: \00"
-@.str.2755 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2756 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2757 = private unnamed_addr constant [11 x i8] c", scope: !\00"
-@.str.2758 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2759 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2760 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2761 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2762 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2763 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2764 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2765 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2766 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2767 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.2768 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2769 = private unnamed_addr constant [28 x i8] c"!DISubroutineType(types: !{\00"
-@.str.2770 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2771 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2772 = private unnamed_addr constant [31 x i8] c"distinct !DISubprogram(name: \22\00"
-@.str.2773 = private unnamed_addr constant [18 x i8] c"\22, linkageName: \22\00"
-@.str.2774 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2775 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
-@.str.2776 = private unnamed_addr constant [10 x i8] c", file: !\00"
-@.str.2777 = private unnamed_addr constant [9 x i8] c", line: \00"
-@.str.2778 = private unnamed_addr constant [10 x i8] c", type: !\00"
-@.str.2779 = private unnamed_addr constant [14 x i8] c", scopeLine: \00"
-@.str.2780 = private unnamed_addr constant [88 x i8] c", flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagLocalToUnit, unit: !0)\00"
-@.str.2781 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2782 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.2783 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2784 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2785 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2786 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2787 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
-@.str.2788 = private unnamed_addr constant [8 x i8] c", arg: \00"
-@.str.2789 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2790 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
-@.str.2791 = private unnamed_addr constant [25 x i8] c"!DILocalVariable(name: \22\00"
-@.str.2792 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
-@.str.2793 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2794 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2795 = private unnamed_addr constant [10 x i8] c", file: !\00"
-@.str.2796 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2797 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.2798 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2799 = private unnamed_addr constant [9 x i8] c", line: \00"
-@.str.2800 = private unnamed_addr constant [10 x i8] c", type: !\00"
-@.str.2801 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2753 = private unnamed_addr constant [20 x i8] c"!DISubrange(count: \00"
+@.str.2754 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2755 = private unnamed_addr constant [52 x i8] c"!DICompositeType(tag: DW_TAG_array_type, baseType: \00"
+@.str.2756 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2757 = private unnamed_addr constant [9 x i8] c", size: \00"
+@.str.2758 = private unnamed_addr constant [16 x i8] c", elements: !{!\00"
+@.str.2759 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2760 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2761 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2762 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2763 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.2764 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.2765 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2766 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.2767 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2768 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
+@.str.2769 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
+@.str.2770 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2771 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2772 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.2773 = private unnamed_addr constant [4 x i8] c"cap\00"
+@.str.2774 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
+@.str.2775 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2776 = private unnamed_addr constant [38 x i8] c", size: 192, align: 64, elements: !{!\00"
+@.str.2777 = private unnamed_addr constant [4 x i8] c", !\00"
+@.str.2778 = private unnamed_addr constant [4 x i8] c", !\00"
+@.str.2779 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2780 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2781 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2782 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2783 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2784 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2785 = private unnamed_addr constant [67 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)\00"
+@.str.2786 = private unnamed_addr constant [8 x i8] c"entries\00"
+@.str.2787 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.2788 = private unnamed_addr constant [5 x i8] c"used\00"
+@.str.2789 = private unnamed_addr constant [4 x i8] c"cap\00"
+@.str.2790 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.2791 = private unnamed_addr constant [5 x i8] c"icap\00"
+@.str.2792 = private unnamed_addr constant [5 x i8] c"adds\00"
+@.str.2793 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2794 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2795 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
+@.str.2796 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2797 = private unnamed_addr constant [37 x i8] c", size: 448, align: 64, elements: !{\00"
+@.str.2798 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2799 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2800 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2801 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2802 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2803 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.2803 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.2804 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2805 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2806 = private unnamed_addr constant [42 x i8] c"call void @llvm.dbg.declare(metadata ptr \00"
-@.str.2807 = private unnamed_addr constant [13 x i8] c", metadata !\00"
-@.str.2808 = private unnamed_addr constant [28 x i8] c", metadata !DIExpression())\00"
-@.str.2809 = private unnamed_addr constant [21 x i8] c"!llvm.dbg.cu = !{!0}\00"
-@.str.2810 = private unnamed_addr constant [31 x i8] c"!llvm.module.flags = !{!1, !2}\00"
+@.str.2805 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2806 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2808 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2809 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2810 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2811 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2812 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2813 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.2814 = private unnamed_addr constant [4 x i8] c" = \00"
-@.str.2815 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2816 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2817 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2818 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2819 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.2812 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
+@.str.2813 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2814 = private unnamed_addr constant [9 x i8] c", size: \00"
+@.str.2815 = private unnamed_addr constant [25 x i8] c", align: 8, elements: !{\00"
+@.str.2816 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2817 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2818 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2819 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2820 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2821 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2822 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2821 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
+@.str.2822 = private unnamed_addr constant [40 x i8] c"\22, size: 64, encoding: DW_ATE_unsigned)\00"
 @.str.2823 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2824 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2824 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2825 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2826 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2827 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2828 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2826 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2827 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2828 = private unnamed_addr constant [3 x i8] c"L:\00"
 @.str.2829 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2830 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2832 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2833 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2834 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2830 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.2831 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.2832 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2833 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2834 = private unnamed_addr constant [2 x i8] c":\00"
 @.str.2835 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2836 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2837 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2838 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2839 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2840 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2841 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2842 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2836 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2837 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2838 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2839 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2840 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2842 = private unnamed_addr constant [19 x i8] c"!DILocation(line: \00"
 @.str.2843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2844 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2845 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2844 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.2845 = private unnamed_addr constant [11 x i8] c", column: \00"
 @.str.2846 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2847 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2848 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2849 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2850 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2851 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2847 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2848 = private unnamed_addr constant [11 x i8] c", scope: !\00"
+@.str.2849 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2850 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2851 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2852 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2853 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2854 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2855 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2856 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2857 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.2858 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2859 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.2860 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2861 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.2862 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2863 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.2864 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2865 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
-@.str.2866 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2867 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2868 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2869 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.2870 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2871 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2853 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2854 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2855 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2856 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2857 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2858 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.2859 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2860 = private unnamed_addr constant [28 x i8] c"!DISubroutineType(types: !{\00"
+@.str.2861 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2862 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2863 = private unnamed_addr constant [31 x i8] c"distinct !DISubprogram(name: \22\00"
+@.str.2864 = private unnamed_addr constant [18 x i8] c"\22, linkageName: \22\00"
+@.str.2865 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2866 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
+@.str.2867 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2868 = private unnamed_addr constant [9 x i8] c", line: \00"
+@.str.2869 = private unnamed_addr constant [10 x i8] c", type: !\00"
+@.str.2870 = private unnamed_addr constant [14 x i8] c", scopeLine: \00"
+@.str.2871 = private unnamed_addr constant [88 x i8] c", flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagLocalToUnit, unit: !0)\00"
 @.str.2872 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2873 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.2873 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
 @.str.2874 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2875 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2876 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2877 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2878 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2879 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2875 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2876 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2877 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2878 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2879 = private unnamed_addr constant [8 x i8] c", arg: \00"
 @.str.2880 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2881 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2882 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2883 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2884 = private unnamed_addr constant [10 x i8] c"ptr %self\00"
-@.str.2885 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2886 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2887 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2888 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2881 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2882 = private unnamed_addr constant [25 x i8] c"!DILocalVariable(name: \22\00"
+@.str.2883 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
+@.str.2884 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2885 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2886 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2887 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2888 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
 @.str.2889 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2890 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2891 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2892 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2890 = private unnamed_addr constant [9 x i8] c", line: \00"
+@.str.2891 = private unnamed_addr constant [10 x i8] c", type: !\00"
+@.str.2892 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2893 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2894 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2894 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
 @.str.2895 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2896 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2897 = private unnamed_addr constant [6 x i8] c"%self\00"
-@.str.2898 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2899 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.2900 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2901 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2896 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2897 = private unnamed_addr constant [42 x i8] c"call void @llvm.dbg.declare(metadata ptr \00"
+@.str.2898 = private unnamed_addr constant [13 x i8] c", metadata !\00"
+@.str.2899 = private unnamed_addr constant [28 x i8] c", metadata !DIExpression())\00"
+@.str.2900 = private unnamed_addr constant [21 x i8] c"!llvm.dbg.cu = !{!0}\00"
+@.str.2901 = private unnamed_addr constant [31 x i8] c"!llvm.module.flags = !{!1, !2}\00"
 @.str.2902 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2903 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2904 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2905 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2903 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2904 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2905 = private unnamed_addr constant [4 x i8] c" = \00"
 @.str.2906 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2907 = private unnamed_addr constant [4 x i8] c" %p\00"
-@.str.2908 = private unnamed_addr constant [3 x i8] c"%p\00"
-@.str.2909 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2910 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2907 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2908 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2909 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.2910 = private unnamed_addr constant [2 x i8] c"\0A\00"
 @.str.2911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2912 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2913 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2912 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2913 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2915 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2916 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2917 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2917 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2918 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2919 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2920 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2921 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2919 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2920 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2921 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2922 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2923 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2923 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.2924 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2926 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.2927 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2928 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2929 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2930 = private unnamed_addr constant [11 x i8] c"function '\00"
-@.str.2931 = private unnamed_addr constant [39 x i8] c"' can reach its end without returning \00"
-@.str.2932 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2933 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2925 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2926 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2927 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2928 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2929 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2930 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2932 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2933 = private unnamed_addr constant [18 x i8] c" (while building \00"
 @.str.2934 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2935 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2936 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.2936 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2937 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2938 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2939 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
-@.str.2940 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.2941 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2942 = private unnamed_addr constant [8 x i8] c" !dbg !\00"
+@.str.2938 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2939 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2940 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2941 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2942 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2944 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2945 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2946 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.2947 = private unnamed_addr constant [17 x i8] c"define internal \00"
-@.str.2948 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2949 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2950 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2944 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2945 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2946 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2947 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2948 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.2949 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2950 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
 @.str.2951 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2952 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2953 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.2954 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2955 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2956 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.2952 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.2953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2954 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.2955 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2956 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
 @.str.2957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2958 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.2959 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2960 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.2958 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2960 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
 @.str.2961 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2962 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.2963 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2964 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
+@.str.2962 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2963 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2964 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
 @.str.2965 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2966 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.2967 = private unnamed_addr constant [67 x i8] c"this code can never run (it comes after return, break or continue)\00"
-@.str.2968 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2969 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2970 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2971 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2972 = private unnamed_addr constant [6 x i8] c"block\00"
-@.str.2973 = private unnamed_addr constant [5 x i8] c"decl\00"
-@.str.2974 = private unnamed_addr constant [7 x i8] c"assign\00"
-@.str.2975 = private unnamed_addr constant [5 x i8] c"expr\00"
-@.str.2976 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2977 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.2978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2979 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2980 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.2981 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.2982 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.2983 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.2984 = private unnamed_addr constant [5 x i8] c"each\00"
-@.str.2985 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.2986 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.2987 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2988 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.2989 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
-@.str.2990 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2991 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2992 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2993 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2994 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2966 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2967 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2968 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
+@.str.2969 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2970 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2972 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2973 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2974 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2975 = private unnamed_addr constant [10 x i8] c"ptr %self\00"
+@.str.2976 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2977 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2978 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2979 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2981 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2982 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2983 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2985 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2987 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2988 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2990 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.2991 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2992 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2993 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2994 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2995 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2996 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2997 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2998 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2999 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3000 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
-@.str.3001 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.3002 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.2996 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2997 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2998 = private unnamed_addr constant [4 x i8] c" %p\00"
+@.str.2999 = private unnamed_addr constant [3 x i8] c"%p\00"
+@.str.3000 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3001 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3002 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3003 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3004 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.3005 = private unnamed_addr constant [28 x i8] c" can't be used inside defer\00"
-@.str.3006 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3007 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3008 = private unnamed_addr constant [32 x i8] c" can only be used inside a loop\00"
+@.str.3004 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.3005 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3006 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3007 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3008 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
 @.str.3009 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3010 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3011 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3012 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3011 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3012 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3014 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.3015 = private unnamed_addr constant [19 x i8] c"unknown statement \00"
+@.str.3014 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3015 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3016 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3017 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3017 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
 @.str.3018 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3019 = private unnamed_addr constant [47 x i8] c"this gives back nothing, so it can't be stored\00"
-@.str.3020 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3019 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3020 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.3021 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3022 = private unnamed_addr constant [35 x i8] c"null needs a type, like: ptr[int] \00"
-@.str.3023 = private unnamed_addr constant [8 x i8] c" = null\00"
-@.str.3024 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.3025 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3022 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3023 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3024 = private unnamed_addr constant [11 x i8] c"function '\00"
+@.str.3025 = private unnamed_addr constant [39 x i8] c"' can reach its end without returning \00"
 @.str.3026 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3027 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3028 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3029 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3030 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.3027 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3028 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3029 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3030 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.3031 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3032 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3033 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.3034 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3035 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3036 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3037 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3038 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
-@.str.3039 = private unnamed_addr constant [19 x i8] c"' (create it with \00"
-@.str.3040 = private unnamed_addr constant [9 x i8] c" := ...)\00"
-@.str.3041 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
-@.str.3042 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
-@.str.3043 = private unnamed_addr constant [10 x i8] c"the value\00"
-@.str.3044 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3045 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3046 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3047 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.3048 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3049 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3050 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3032 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3033 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
+@.str.3034 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.3035 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3036 = private unnamed_addr constant [8 x i8] c" !dbg !\00"
+@.str.3037 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3038 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.3039 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3040 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.3041 = private unnamed_addr constant [17 x i8] c"define internal \00"
+@.str.3042 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3043 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3044 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3045 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3046 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3047 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.3048 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3049 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3050 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
 @.str.3051 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3052 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3053 = private unnamed_addr constant [12 x i8] c"a condition\00"
-@.str.3054 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3055 = private unnamed_addr constant [5 x i8] c"then\00"
-@.str.3056 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.3057 = private unnamed_addr constant [6 x i8] c"endif\00"
-@.str.3058 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3052 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.3053 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.3054 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.3055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3056 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.3057 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.3058 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
 @.str.3059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3060 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3061 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3061 = private unnamed_addr constant [67 x i8] c"this code can never run (it comes after return, break or continue)\00"
 @.str.3062 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3063 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3064 = private unnamed_addr constant [11 x i8] c"while.cond\00"
-@.str.3065 = private unnamed_addr constant [11 x i8] c"while.body\00"
-@.str.3066 = private unnamed_addr constant [10 x i8] c"while.end\00"
-@.str.3067 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3068 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3069 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3070 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.3071 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3063 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.3064 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3065 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.3066 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.3067 = private unnamed_addr constant [5 x i8] c"decl\00"
+@.str.3068 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.3069 = private unnamed_addr constant [5 x i8] c"expr\00"
+@.str.3070 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3071 = private unnamed_addr constant [3 x i8] c"or\00"
 @.str.3072 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3073 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3074 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3075 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3076 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3078 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3079 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3080 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3081 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3082 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.3083 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.3084 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.3085 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.3073 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3074 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.3075 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.3076 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.3077 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.3078 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.3079 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.3080 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.3081 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3082 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3083 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
+@.str.3084 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3085 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3086 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3087 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3087 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3088 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3089 = private unnamed_addr constant [21 x i8] c"the start of a range\00"
-@.str.3090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3091 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3090 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3092 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3093 = private unnamed_addr constant [19 x i8] c"the end of a range\00"
-@.str.3094 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3095 = private unnamed_addr constant [9 x i8] c"for.cond\00"
-@.str.3096 = private unnamed_addr constant [9 x i8] c"for.body\00"
-@.str.3097 = private unnamed_addr constant [9 x i8] c"for.step\00"
-@.str.3098 = private unnamed_addr constant [8 x i8] c"for.end\00"
-@.str.3099 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3100 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3101 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3103 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3105 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3093 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3094 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3095 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3097 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3098 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3100 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.3101 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.3102 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.3103 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3104 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3105 = private unnamed_addr constant [28 x i8] c" can't be used inside defer\00"
 @.str.3106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3107 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3108 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3107 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3108 = private unnamed_addr constant [32 x i8] c" can only be used inside a loop\00"
 @.str.3109 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3110 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3111 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3112 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3113 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3114 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3115 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3110 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3111 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3112 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3114 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.3115 = private unnamed_addr constant [19 x i8] c"unknown statement \00"
 @.str.3116 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3117 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3117 = private unnamed_addr constant [5 x i8] c"void\00"
 @.str.3118 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3119 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3120 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3121 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3122 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3123 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3124 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3125 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3126 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
-@.str.3127 = private unnamed_addr constant [9 x i8] c"map.cond\00"
-@.str.3128 = private unnamed_addr constant [10 x i8] c"map.check\00"
-@.str.3129 = private unnamed_addr constant [9 x i8] c"map.body\00"
-@.str.3130 = private unnamed_addr constant [9 x i8] c"map.step\00"
-@.str.3131 = private unnamed_addr constant [8 x i8] c"map.end\00"
-@.str.3132 = private unnamed_addr constant [12 x i8] c"map.changed\00"
-@.str.3133 = private unnamed_addr constant [9 x i8] c"map.same\00"
-@.str.3134 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3135 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3136 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3137 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
-@.str.3138 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.3139 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3140 = private unnamed_addr constant [34 x i8] c"call void @finch_map_changed(ptr \00"
-@.str.3141 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3142 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.3143 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3144 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3145 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3146 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.3147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3148 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3149 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3150 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3151 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3152 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3153 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
-@.str.3154 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3155 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3156 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3157 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
-@.str.3158 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3160 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3119 = private unnamed_addr constant [47 x i8] c"this gives back nothing, so it can't be stored\00"
+@.str.3120 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3122 = private unnamed_addr constant [35 x i8] c"null needs a type, like: ptr[int] \00"
+@.str.3123 = private unnamed_addr constant [8 x i8] c" = null\00"
+@.str.3124 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.3125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3127 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3128 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3130 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.3131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3132 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3133 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.3134 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3136 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3137 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3138 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
+@.str.3139 = private unnamed_addr constant [19 x i8] c"' (create it with \00"
+@.str.3140 = private unnamed_addr constant [9 x i8] c" := ...)\00"
+@.str.3141 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
+@.str.3142 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
+@.str.3143 = private unnamed_addr constant [10 x i8] c"the value\00"
+@.str.3144 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3145 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3146 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3147 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.3148 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3149 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3150 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3151 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3152 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3153 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3155 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3156 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3157 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3159 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3160 = private unnamed_addr constant [12 x i8] c"a condition\00"
 @.str.3161 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3162 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3163 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3165 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3162 = private unnamed_addr constant [5 x i8] c"then\00"
+@.str.3163 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.3164 = private unnamed_addr constant [6 x i8] c"endif\00"
+@.str.3165 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3167 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3168 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3169 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3170 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3171 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3172 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3173 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3174 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3175 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3176 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3177 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3167 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3170 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3171 = private unnamed_addr constant [11 x i8] c"while.cond\00"
+@.str.3172 = private unnamed_addr constant [11 x i8] c"while.body\00"
+@.str.3173 = private unnamed_addr constant [10 x i8] c"while.end\00"
+@.str.3174 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3175 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3176 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3177 = private unnamed_addr constant [5 x i8] c"true\00"
 @.str.3178 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3179 = private unnamed_addr constant [56 x i8] c"for ... in needs an array, a str or a map, but this is \00"
-@.str.3180 = private unnamed_addr constant [37 x i8] c" (for a range of numbers write 0..n)\00"
-@.str.3181 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3182 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3180 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3182 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3184 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3184 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.3185 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3186 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3187 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3188 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3189 = private unnamed_addr constant [10 x i8] c"each.cond\00"
-@.str.3190 = private unnamed_addr constant [10 x i8] c"each.body\00"
-@.str.3191 = private unnamed_addr constant [10 x i8] c"each.step\00"
-@.str.3192 = private unnamed_addr constant [9 x i8] c"each.end\00"
-@.str.3193 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3194 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
-@.str.3195 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.3196 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3197 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3198 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3199 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3200 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3201 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3202 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3203 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3204 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3205 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3206 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3207 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3208 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3209 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3210 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3186 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3187 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3188 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3190 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3191 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.3192 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.3193 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.3194 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.3195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3196 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3198 = private unnamed_addr constant [21 x i8] c"the start of a range\00"
+@.str.3199 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3200 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3201 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3202 = private unnamed_addr constant [19 x i8] c"the end of a range\00"
+@.str.3203 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3204 = private unnamed_addr constant [9 x i8] c"for.cond\00"
+@.str.3205 = private unnamed_addr constant [9 x i8] c"for.body\00"
+@.str.3206 = private unnamed_addr constant [9 x i8] c"for.step\00"
+@.str.3207 = private unnamed_addr constant [8 x i8] c"for.end\00"
+@.str.3208 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3209 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3210 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.3211 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3212 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3213 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3214 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3215 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3216 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3212 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3213 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3214 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3216 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.3217 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3218 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.3219 = private unnamed_addr constant [34 x i8] c"return can't be used inside defer\00"
+@.str.3218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3219 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
 @.str.3220 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3221 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.3222 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3223 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.3224 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3225 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3226 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3227 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3221 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3222 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3223 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3224 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3225 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3229 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3230 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3231 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3232 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3233 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3234 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3236 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3237 = private unnamed_addr constant [65 x i8] c"' can't fail, so it can't return an error (make it fallible: -> \00"
-@.str.3238 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3239 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.3240 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3241 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3243 = private unnamed_addr constant [18 x i8] c"the error message\00"
-@.str.3244 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3245 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3246 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3247 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3248 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3249 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3250 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3251 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
-@.str.3252 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.3253 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3254 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3255 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3256 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3257 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3230 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3231 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3232 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3233 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3234 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3235 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3236 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3237 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
+@.str.3238 = private unnamed_addr constant [9 x i8] c"map.cond\00"
+@.str.3239 = private unnamed_addr constant [10 x i8] c"map.check\00"
+@.str.3240 = private unnamed_addr constant [9 x i8] c"map.body\00"
+@.str.3241 = private unnamed_addr constant [9 x i8] c"map.step\00"
+@.str.3242 = private unnamed_addr constant [8 x i8] c"map.end\00"
+@.str.3243 = private unnamed_addr constant [12 x i8] c"map.changed\00"
+@.str.3244 = private unnamed_addr constant [9 x i8] c"map.same\00"
+@.str.3245 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3246 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3247 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3248 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
+@.str.3249 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.3250 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3251 = private unnamed_addr constant [34 x i8] c"call void @finch_map_changed(ptr \00"
+@.str.3252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3253 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.3254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3255 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3256 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3257 = private unnamed_addr constant [12 x i8] c"unreachable\00"
 @.str.3258 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3259 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3260 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3261 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3262 = private unnamed_addr constant [47 x i8] c"' doesn't return a value (it has no '-> type')\00"
-@.str.3263 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3264 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3265 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3266 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3267 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3268 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
-@.str.3269 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.3259 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3260 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3261 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3262 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3263 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3264 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
+@.str.3265 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3266 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3267 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3268 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
+@.str.3269 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.3270 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3271 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3272 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3273 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3274 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3275 = private unnamed_addr constant [15 x i8] c"' must return \00"
+@.str.3271 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3272 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3273 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3274 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3275 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.3276 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3277 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3278 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3277 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3278 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
 @.str.3279 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3280 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3281 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3282 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3284 = private unnamed_addr constant [19 x i8] c"the returned value\00"
+@.str.3280 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3281 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3282 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3283 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3284 = private unnamed_addr constant [4 x i8] c", 1\00"
 @.str.3285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3286 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3287 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3288 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3289 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3290 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3291 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3292 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3293 = private unnamed_addr constant [29 x i8] c" zeroinitializer, i1 true, 0\00"
-@.str.3294 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3296 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3297 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3298 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3286 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3287 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3288 = private unnamed_addr constant [6 x i8] c"$list\00"
+@.str.3289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3290 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.3291 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3292 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3293 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3294 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3295 = private unnamed_addr constant [56 x i8] c"for ... in needs an array, a str or a map, but this is \00"
+@.str.3296 = private unnamed_addr constant [37 x i8] c" (for a range of numbers write 0..n)\00"
+@.str.3297 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.3298 = private unnamed_addr constant [6 x i8] c"array\00"
 @.str.3299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3300 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3301 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3302 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3303 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3304 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3305 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3306 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3307 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3309 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3310 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3312 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3313 = private unnamed_addr constant [8 x i8] c"{ i64, \00"
-@.str.3314 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3315 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3317 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.3318 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
-@.str.3319 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
-@.str.3320 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3321 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3322 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3323 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
-@.str.3324 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3325 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3326 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3327 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3328 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3329 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
-@.str.3330 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3332 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3333 = private unnamed_addr constant [2 x i8] c"1\00"
-@.str.3334 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.3335 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3336 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3337 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3300 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3302 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3303 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3304 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3305 = private unnamed_addr constant [10 x i8] c"each.cond\00"
+@.str.3306 = private unnamed_addr constant [10 x i8] c"each.body\00"
+@.str.3307 = private unnamed_addr constant [10 x i8] c"each.step\00"
+@.str.3308 = private unnamed_addr constant [9 x i8] c"each.end\00"
+@.str.3309 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3310 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
+@.str.3311 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.3312 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3313 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3314 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3315 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.3316 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3317 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3318 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3320 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3322 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3323 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3324 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3325 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3327 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3328 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3330 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3331 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3332 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3333 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3334 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3336 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3337 = private unnamed_addr constant [34 x i8] c"return can't be used inside defer\00"
 @.str.3338 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3339 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.3340 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_find(\00"
-@.str.3341 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3342 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.3343 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.3344 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.3345 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3346 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_slot(\00"
-@.str.3347 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3348 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3349 = private unnamed_addr constant [8 x i8] c"map.new\00"
-@.str.3350 = private unnamed_addr constant [9 x i8] c"map.have\00"
-@.str.3351 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.3352 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.3353 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3354 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3355 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3356 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3357 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3339 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3341 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.3342 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3343 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3344 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3345 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3346 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3347 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3348 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3349 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3350 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3351 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3352 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3353 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3354 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3355 = private unnamed_addr constant [65 x i8] c"' can't fail, so it can't return an error (make it fallible: -> \00"
+@.str.3356 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3357 = private unnamed_addr constant [6 x i8] c"error\00"
 @.str.3358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3359 = private unnamed_addr constant [4 x i8] c"str\00"
 @.str.3360 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3362 = private unnamed_addr constant [8 x i8] c"the key\00"
-@.str.3363 = private unnamed_addr constant [45 x i8] c"this is a temporary map, it can't be changed\00"
-@.str.3364 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3365 = private unnamed_addr constant [12 x i8] c"map.missing\00"
-@.str.3366 = private unnamed_addr constant [10 x i8] c"map.found\00"
-@.str.3367 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3368 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3369 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3370 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3371 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.3372 = private unnamed_addr constant [34 x i8] c"call void @finch_map_missing(ptr \00"
+@.str.3361 = private unnamed_addr constant [18 x i8] c"the error message\00"
+@.str.3362 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3363 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3364 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3365 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3366 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.3367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3368 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3369 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
+@.str.3370 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.3371 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3372 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.3373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3374 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.3375 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3376 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3377 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3378 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3379 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.3380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3381 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3382 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3383 = private unnamed_addr constant [53 x i8] c"an empty [:] needs a type, like: map[str]int m = [:]\00"
+@.str.3374 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3375 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3377 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3378 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3379 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3380 = private unnamed_addr constant [47 x i8] c"' doesn't return a value (it has no '-> type')\00"
+@.str.3381 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3382 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3383 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.3384 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3385 = private unnamed_addr constant [6 x i8] c"unary\00"
-@.str.3386 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3387 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3388 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3389 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3390 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3385 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3386 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
+@.str.3387 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.3388 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3389 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3390 = private unnamed_addr constant [2 x i8] c"'\00"
 @.str.3391 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3392 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3393 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3392 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3393 = private unnamed_addr constant [15 x i8] c"' must return \00"
 @.str.3394 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3395 = private unnamed_addr constant [36 x i8] c"a map key needs a value with a type\00"
-@.str.3396 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3397 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3395 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3396 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3397 = private unnamed_addr constant [4 x i8] c"var\00"
 @.str.3398 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3399 = private unnamed_addr constant [38 x i8] c"a map value needs a value with a type\00"
-@.str.3400 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3401 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.3402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3399 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3400 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3401 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3402 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3403 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3405 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3405 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3406 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3407 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3408 = private unnamed_addr constant [22 x i8] c"every key of this map\00"
-@.str.3409 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3408 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3409 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.3410 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3411 = private unnamed_addr constant [24 x i8] c"every value of this map\00"
+@.str.3411 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3412 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3413 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3414 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3415 = private unnamed_addr constant [4 x i8] c"has\00"
-@.str.3416 = private unnamed_addr constant [4 x i8] c"get\00"
-@.str.3417 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.3418 = private unnamed_addr constant [4 x i8] c"get\00"
+@.str.3415 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
+@.str.3416 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3417 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3418 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3419 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3420 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3421 = private unnamed_addr constant [8 x i8] c"the key\00"
-@.str.3422 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
-@.str.3423 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3424 = private unnamed_addr constant [4 x i8] c"has\00"
-@.str.3425 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3426 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.3427 = private unnamed_addr constant [11 x i8] c"remove.hit\00"
-@.str.3428 = private unnamed_addr constant [11 x i8] c"remove.end\00"
-@.str.3429 = private unnamed_addr constant [36 x i8] c"call void @finch_map_remove_at(ptr \00"
-@.str.3430 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3431 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3432 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3433 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3434 = private unnamed_addr constant [10 x i8] c"get.found\00"
-@.str.3435 = private unnamed_addr constant [12 x i8] c"get.missing\00"
-@.str.3436 = private unnamed_addr constant [9 x i8] c"get.fend\00"
-@.str.3437 = private unnamed_addr constant [9 x i8] c"get.mend\00"
-@.str.3438 = private unnamed_addr constant [8 x i8] c"get.end\00"
-@.str.3439 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3421 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3422 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3423 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3425 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3427 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3428 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3431 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3432 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3434 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3436 = private unnamed_addr constant [19 x i8] c"the returned value\00"
+@.str.3437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3438 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3439 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
 @.str.3440 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3441 = private unnamed_addr constant [12 x i8] c"the default\00"
-@.str.3442 = private unnamed_addr constant [5 x i8] c"phi \00"
-@.str.3443 = private unnamed_addr constant [4 x i8] c" [ \00"
-@.str.3444 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3445 = private unnamed_addr constant [7 x i8] c" ], [ \00"
-@.str.3446 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3447 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.3448 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.3449 = private unnamed_addr constant [32 x i8] c"call void @finch_map_clear(ptr \00"
-@.str.3450 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3451 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3452 = private unnamed_addr constant [5 x i8] c"keys\00"
-@.str.3453 = private unnamed_addr constant [7 x i8] c"values\00"
-@.str.3454 = private unnamed_addr constant [7 x i8] c"values\00"
-@.str.3455 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3456 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3457 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.3458 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3459 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3460 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3461 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.3462 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
-@.str.3463 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3464 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3465 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3466 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3467 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3468 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3469 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3470 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3471 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3472 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3473 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
-@.str.3474 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3475 = private unnamed_addr constant [11 x i8] c"entry.live\00"
-@.str.3476 = private unnamed_addr constant [11 x i8] c"entry.next\00"
-@.str.3477 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.3478 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3479 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3480 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3481 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3482 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3483 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3484 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3485 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3486 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3487 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3488 = private unnamed_addr constant [22 x i8] c"a map has no method '\00"
-@.str.3489 = private unnamed_addr constant [50 x i8] c"' (it has: has, get, remove, clear, keys, values)\00"
-@.str.3490 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3491 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3492 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3493 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.3494 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3495 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3496 = private unnamed_addr constant [23 x i8] c"' is not a variant of \00"
-@.str.3497 = private unnamed_addr constant [11 x i8] c" (it has: \00"
-@.str.3498 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3499 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3501 = private unnamed_addr constant [13 x i8] c"this pattern\00"
-@.str.3502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3503 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3504 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3441 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3442 = private unnamed_addr constant [29 x i8] c" zeroinitializer, i1 true, 0\00"
+@.str.3443 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.3444 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3445 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3446 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3447 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3448 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3449 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3450 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3451 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3452 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3453 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3454 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3455 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3456 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3457 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3458 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3459 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3460 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3461 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3462 = private unnamed_addr constant [8 x i8] c"{ i64, \00"
+@.str.3463 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3464 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3466 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.3467 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
+@.str.3468 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
+@.str.3469 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.3470 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3471 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3472 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
+@.str.3473 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3474 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3475 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3476 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3477 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3478 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
+@.str.3479 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3480 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3481 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3482 = private unnamed_addr constant [2 x i8] c"1\00"
+@.str.3483 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.3484 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3485 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3486 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3487 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3488 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.3489 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_find(\00"
+@.str.3490 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3491 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.3492 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.3493 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.3494 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3495 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_slot(\00"
+@.str.3496 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3497 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3498 = private unnamed_addr constant [8 x i8] c"map.new\00"
+@.str.3499 = private unnamed_addr constant [9 x i8] c"map.have\00"
+@.str.3500 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.3501 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.3502 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3503 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3505 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3506 = private unnamed_addr constant [31 x i8] c"there is nothing to match here\00"
-@.str.3507 = private unnamed_addr constant [10 x i8] c"match.end\00"
-@.str.3508 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3506 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3507 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3509 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3510 = private unnamed_addr constant [73 x i8] c"this arm can never be used: 'else' already takes everything that is left\00"
-@.str.3511 = private unnamed_addr constant [10 x i8] c"match.arm\00"
-@.str.3512 = private unnamed_addr constant [11 x i8] c"match.next\00"
-@.str.3513 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3514 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3515 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3517 = private unnamed_addr constant [50 x i8] c"this variant is already handled by an earlier arm\00"
-@.str.3518 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3519 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3520 = private unnamed_addr constant [9 x i8] c"match.or\00"
-@.str.3521 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3522 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3523 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3524 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3525 = private unnamed_addr constant [53 x i8] c"an arm of a match that gives a value has to give one\00"
-@.str.3526 = private unnamed_addr constant [58 x i8] c"this arm (the arms of a match have to give the same type)\00"
-@.str.3527 = private unnamed_addr constant [11 x i8] c"match.from\00"
-@.str.3528 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.3510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3511 = private unnamed_addr constant [8 x i8] c"the key\00"
+@.str.3512 = private unnamed_addr constant [45 x i8] c"this is a temporary map, it can't be changed\00"
+@.str.3513 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3514 = private unnamed_addr constant [12 x i8] c"map.missing\00"
+@.str.3515 = private unnamed_addr constant [10 x i8] c"map.found\00"
+@.str.3516 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3517 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3518 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3519 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3520 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3521 = private unnamed_addr constant [34 x i8] c"call void @finch_map_missing(ptr \00"
+@.str.3522 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3523 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.3524 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3525 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3526 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3527 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3528 = private unnamed_addr constant [12 x i8] c"unreachable\00"
 @.str.3529 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3530 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3531 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3532 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3533 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.3534 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3535 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3531 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3532 = private unnamed_addr constant [53 x i8] c"an empty [:] needs a type, like: map[str]int m = [:]\00"
+@.str.3533 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3534 = private unnamed_addr constant [6 x i8] c"unary\00"
+@.str.3535 = private unnamed_addr constant [2 x i8] c"-\00"
 @.str.3536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3537 = private unnamed_addr constant [27 x i8] c"this match doesn't handle \00"
-@.str.3538 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3539 = private unnamed_addr constant [30 x i8] c" (add them, or an 'else' arm)\00"
-@.str.3540 = private unnamed_addr constant [12 x i8] c"a match on \00"
-@.str.3541 = private unnamed_addr constant [55 x i8] c" needs an 'else' arm for everything that is not listed\00"
-@.str.3542 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.3543 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
-@.str.3544 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.3545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3546 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3547 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.3548 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3549 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3550 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3551 = private unnamed_addr constant [5 x i8] c"phi \00"
-@.str.3552 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3553 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3554 = private unnamed_addr constant [3 x i8] c"[ \00"
+@.str.3537 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3538 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3539 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3540 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3541 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3542 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3543 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3544 = private unnamed_addr constant [36 x i8] c"a map key needs a value with a type\00"
+@.str.3545 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3546 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3547 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3548 = private unnamed_addr constant [38 x i8] c"a map value needs a value with a type\00"
+@.str.3549 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3550 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3552 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3554 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.3555 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3556 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3556 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3557 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3558 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.3559 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3560 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.3561 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.3562 = private unnamed_addr constant [81 x i8] c"only a function call can fail; 'or' and 'try' go after one, like  int(text) or 0\00"
+@.str.3558 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3559 = private unnamed_addr constant [22 x i8] c"every key of this map\00"
+@.str.3560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3561 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3562 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3563 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3564 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.3564 = private unnamed_addr constant [24 x i8] c"every value of this map\00"
 @.str.3565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3566 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.3566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3568 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3570 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.3571 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3572 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3573 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3574 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3575 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3576 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3577 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3578 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3579 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3580 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3581 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3582 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.3583 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3584 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3585 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3586 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3587 = private unnamed_addr constant [51 x i8] c"this call can't fail, so it needs no 'or' or 'try'\00"
-@.str.3588 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3589 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.3590 = private unnamed_addr constant [31 x i8] c"try can't be used inside defer\00"
-@.str.3591 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3592 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3593 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3568 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3569 = private unnamed_addr constant [4 x i8] c"has\00"
+@.str.3570 = private unnamed_addr constant [4 x i8] c"get\00"
+@.str.3571 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.3572 = private unnamed_addr constant [4 x i8] c"get\00"
+@.str.3573 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3574 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3575 = private unnamed_addr constant [8 x i8] c"the key\00"
+@.str.3576 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
+@.str.3577 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3578 = private unnamed_addr constant [4 x i8] c"has\00"
+@.str.3579 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3580 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.3581 = private unnamed_addr constant [11 x i8] c"remove.hit\00"
+@.str.3582 = private unnamed_addr constant [11 x i8] c"remove.end\00"
+@.str.3583 = private unnamed_addr constant [36 x i8] c"call void @finch_map_remove_at(ptr \00"
+@.str.3584 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3585 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3586 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3587 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3588 = private unnamed_addr constant [10 x i8] c"get.found\00"
+@.str.3589 = private unnamed_addr constant [12 x i8] c"get.missing\00"
+@.str.3590 = private unnamed_addr constant [9 x i8] c"get.fend\00"
+@.str.3591 = private unnamed_addr constant [9 x i8] c"get.mend\00"
+@.str.3592 = private unnamed_addr constant [8 x i8] c"get.end\00"
+@.str.3593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3594 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3595 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3596 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3598 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3599 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3600 = private unnamed_addr constant [30 x i8] c"try passes the error on, so '\00"
-@.str.3601 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3602 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3603 = private unnamed_addr constant [32 x i8] c"' must be able to fail too (-> \00"
-@.str.3604 = private unnamed_addr constant [56 x i8] c"); or handle it here: ... or <value>  /  ... or { ... }\00"
-@.str.3605 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3606 = private unnamed_addr constant [11 x i8] c"try.failed\00"
-@.str.3607 = private unnamed_addr constant [7 x i8] c"try.ok\00"
-@.str.3608 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3609 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3610 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3611 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3612 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3613 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3614 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3615 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
-@.str.3616 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.3617 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3618 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3619 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3620 = private unnamed_addr constant [10 x i8] c"or.failed\00"
-@.str.3621 = private unnamed_addr constant [6 x i8] c"or.ok\00"
-@.str.3622 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.3623 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3624 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3625 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3626 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3627 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3628 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3629 = private unnamed_addr constant [143 x i8] c"this block must leave with return, break, continue or exit(...): after a failure there is no value to go on with (or give one: ... or <value>)\00"
-@.str.3630 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3631 = private unnamed_addr constant [7 x i8] c"or.end\00"
-@.str.3632 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3633 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3634 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3635 = private unnamed_addr constant [99 x i8] c"this call gives back no value, so there is nothing to replace; handle the failure with  or { ... }\00"
-@.str.3636 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.3637 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3595 = private unnamed_addr constant [12 x i8] c"the default\00"
+@.str.3596 = private unnamed_addr constant [5 x i8] c"phi \00"
+@.str.3597 = private unnamed_addr constant [4 x i8] c" [ \00"
+@.str.3598 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3599 = private unnamed_addr constant [7 x i8] c" ], [ \00"
+@.str.3600 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3601 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.3602 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.3603 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3604 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3605 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3606 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
+@.str.3607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3608 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.3609 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.3610 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.3611 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3612 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3613 = private unnamed_addr constant [32 x i8] c"call void @finch_map_clear(ptr \00"
+@.str.3614 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3615 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3616 = private unnamed_addr constant [5 x i8] c"keys\00"
+@.str.3617 = private unnamed_addr constant [7 x i8] c"values\00"
+@.str.3618 = private unnamed_addr constant [7 x i8] c"values\00"
+@.str.3619 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3620 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3621 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3622 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3623 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3624 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3625 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.3626 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
+@.str.3627 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3628 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3629 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3630 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.3631 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3632 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3633 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3634 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3635 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3636 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3637 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
 @.str.3638 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3639 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3640 = private unnamed_addr constant [21 x i8] c"the value after 'or'\00"
-@.str.3641 = private unnamed_addr constant [8 x i8] c"or.bend\00"
-@.str.3642 = private unnamed_addr constant [7 x i8] c"or.end\00"
-@.str.3643 = private unnamed_addr constant [5 x i8] c"phi \00"
-@.str.3644 = private unnamed_addr constant [4 x i8] c" [ \00"
-@.str.3645 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3646 = private unnamed_addr constant [7 x i8] c" ], [ \00"
-@.str.3647 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3648 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.3649 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3650 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3651 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3652 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3653 = private unnamed_addr constant [3 x i8] c"0x\00"
-@.str.3654 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3655 = private unnamed_addr constant [3 x i8] c"0X\00"
+@.str.3639 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.3640 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.3641 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.3642 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3643 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3644 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3645 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3646 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3647 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3648 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3649 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3650 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3651 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3652 = private unnamed_addr constant [22 x i8] c"a map has no method '\00"
+@.str.3653 = private unnamed_addr constant [50 x i8] c"' (it has: has, get, remove, clear, keys, values)\00"
+@.str.3654 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3655 = private unnamed_addr constant [4 x i8] c"var\00"
 @.str.3656 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3657 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3657 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.3658 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3659 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3660 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3661 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3662 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3663 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3664 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3665 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3666 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3667 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3659 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3660 = private unnamed_addr constant [23 x i8] c"' is not a variant of \00"
+@.str.3661 = private unnamed_addr constant [11 x i8] c" (it has: \00"
+@.str.3662 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3663 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3664 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3665 = private unnamed_addr constant [13 x i8] c"this pattern\00"
+@.str.3666 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3667 = private unnamed_addr constant [5 x i8] c"void\00"
 @.str.3668 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3669 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3670 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3671 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3672 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.3673 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.3674 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.3675 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.3676 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.3677 = private unnamed_addr constant [6 x i8] c"unary\00"
-@.str.3678 = private unnamed_addr constant [7 x i8] c"binary\00"
-@.str.3679 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.3680 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.3681 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3682 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3683 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3684 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3685 = private unnamed_addr constant [20 x i8] c"unknown expression \00"
-@.str.3686 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3687 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3688 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3689 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3690 = private unnamed_addr constant [20 x i8] c"the value after '!'\00"
-@.str.3691 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
-@.str.3692 = private unnamed_addr constant [7 x i8] c", true\00"
-@.str.3693 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3694 = private unnamed_addr constant [2 x i8] c"~\00"
-@.str.3695 = private unnamed_addr constant [46 x i8] c"'~' flips the bits of a whole number, not of \00"
-@.str.3696 = private unnamed_addr constant [5 x i8] c"xor \00"
-@.str.3697 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3698 = private unnamed_addr constant [5 x i8] c", -1\00"
-@.str.3699 = private unnamed_addr constant [35 x i8] c" can't be negative (it's unsigned)\00"
+@.str.3669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3670 = private unnamed_addr constant [31 x i8] c"there is nothing to match here\00"
+@.str.3671 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3672 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3673 = private unnamed_addr constant [10 x i8] c"match.end\00"
+@.str.3674 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3675 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3676 = private unnamed_addr constant [73 x i8] c"this arm can never be used: 'else' already takes everything that is left\00"
+@.str.3677 = private unnamed_addr constant [10 x i8] c"match.arm\00"
+@.str.3678 = private unnamed_addr constant [11 x i8] c"match.next\00"
+@.str.3679 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3680 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3681 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3682 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3683 = private unnamed_addr constant [50 x i8] c"this variant is already handled by an earlier arm\00"
+@.str.3684 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.3685 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3686 = private unnamed_addr constant [9 x i8] c"match.or\00"
+@.str.3687 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3688 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3689 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3690 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3691 = private unnamed_addr constant [53 x i8] c"an arm of a match that gives a value has to give one\00"
+@.str.3692 = private unnamed_addr constant [58 x i8] c"this arm (the arms of a match have to give the same type)\00"
+@.str.3693 = private unnamed_addr constant [11 x i8] c"match.from\00"
+@.str.3694 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.3695 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3696 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3697 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3698 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3699 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.3700 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3701 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.3701 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3702 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3703 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3704 = private unnamed_addr constant [5 x i8] c"sub \00"
-@.str.3705 = private unnamed_addr constant [5 x i8] c" 0, \00"
-@.str.3706 = private unnamed_addr constant [6 x i8] c"fneg \00"
-@.str.3707 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3708 = private unnamed_addr constant [27 x i8] c"can't put '-' in front of \00"
-@.str.3709 = private unnamed_addr constant [12 x i8] c"can't use '\00"
-@.str.3710 = private unnamed_addr constant [6 x i8] c"' on \00"
-@.str.3711 = private unnamed_addr constant [6 x i8] c" and \00"
-@.str.3712 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3713 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3714 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3715 = private unnamed_addr constant [49 x i8] c" (turn the other side into text first: str(...))\00"
-@.str.3716 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3717 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.3718 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3719 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3720 = private unnamed_addr constant [27 x i8] c" (for true/false use '&&')\00"
-@.str.3721 = private unnamed_addr constant [27 x i8] c" (for true/false use '||')\00"
-@.str.3722 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3723 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.3724 = private unnamed_addr constant [2 x i8] c"^\00"
-@.str.3725 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.3726 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.3727 = private unnamed_addr constant [44 x i8] c" (bit operators work on whole numbers only)\00"
-@.str.3728 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.3729 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3730 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3731 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3732 = private unnamed_addr constant [32 x i8] c" (compare the parts one by one)\00"
+@.str.3703 = private unnamed_addr constant [27 x i8] c"this match doesn't handle \00"
+@.str.3704 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3705 = private unnamed_addr constant [30 x i8] c" (add them, or an 'else' arm)\00"
+@.str.3706 = private unnamed_addr constant [12 x i8] c"a match on \00"
+@.str.3707 = private unnamed_addr constant [55 x i8] c" needs an 'else' arm for everything that is not listed\00"
+@.str.3708 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.3709 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
+@.str.3710 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3711 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3712 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3713 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3714 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3715 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3716 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3717 = private unnamed_addr constant [5 x i8] c"phi \00"
+@.str.3718 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3719 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3720 = private unnamed_addr constant [3 x i8] c"[ \00"
+@.str.3721 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3722 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3723 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3724 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.3725 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3726 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3727 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.3728 = private unnamed_addr constant [81 x i8] c"only a function call can fail; 'or' and 'try' go after one, like  int(text) or 0\00"
+@.str.3729 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3730 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.3731 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3732 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
 @.str.3733 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3734 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3734 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
 @.str.3735 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3736 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3738 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3739 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3740 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3736 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.3737 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3739 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.3740 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.3741 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3742 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3742 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
 @.str.3743 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3744 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3744 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
 @.str.3745 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3746 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3746 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
 @.str.3747 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3748 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3748 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
 @.str.3749 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3750 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3750 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
 @.str.3751 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3752 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3753 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3754 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3755 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3756 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3752 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.3753 = private unnamed_addr constant [51 x i8] c"this call can't fail, so it needs no 'or' or 'try'\00"
+@.str.3754 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3755 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3756 = private unnamed_addr constant [31 x i8] c"try can't be used inside defer\00"
 @.str.3757 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3758 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
-@.str.3759 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3760 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
-@.str.3761 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3762 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3758 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3759 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3760 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3761 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3762 = private unnamed_addr constant [5 x i8] c"void\00"
 @.str.3763 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3764 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3765 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3766 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3764 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3765 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3766 = private unnamed_addr constant [30 x i8] c"try passes the error on, so '\00"
 @.str.3767 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3768 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3769 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3770 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3768 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3769 = private unnamed_addr constant [32 x i8] c"' must be able to fail too (-> \00"
+@.str.3770 = private unnamed_addr constant [56 x i8] c"); or handle it here: ... or <value>  /  ... or { ... }\00"
 @.str.3771 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3772 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3773 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3774 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3772 = private unnamed_addr constant [11 x i8] c"try.failed\00"
+@.str.3773 = private unnamed_addr constant [7 x i8] c"try.ok\00"
+@.str.3774 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.3775 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3776 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3777 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3778 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3776 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3777 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3778 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
 @.str.3779 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3780 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3781 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3782 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3780 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3781 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
+@.str.3782 = private unnamed_addr constant [4 x i8] c", 2\00"
 @.str.3783 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3784 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3784 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.3785 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3786 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3787 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3788 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3789 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3790 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3786 = private unnamed_addr constant [10 x i8] c"or.failed\00"
+@.str.3787 = private unnamed_addr constant [6 x i8] c"or.ok\00"
+@.str.3788 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.3789 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3790 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3791 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3792 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3793 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3794 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3795 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3796 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3797 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3798 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3799 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3800 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3801 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3802 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3803 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3804 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3792 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3793 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3794 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3795 = private unnamed_addr constant [143 x i8] c"this block must leave with return, break, continue or exit(...): after a failure there is no value to go on with (or give one: ... or <value>)\00"
+@.str.3796 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3797 = private unnamed_addr constant [7 x i8] c"or.end\00"
+@.str.3798 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3799 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3800 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3801 = private unnamed_addr constant [99 x i8] c"this call gives back no value, so there is nothing to replace; handle the failure with  or { ... }\00"
+@.str.3802 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.3803 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3804 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3805 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3806 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3808 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3809 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3810 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3811 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3812 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3813 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3814 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3815 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3816 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3817 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3806 = private unnamed_addr constant [21 x i8] c"the value after 'or'\00"
+@.str.3807 = private unnamed_addr constant [8 x i8] c"or.bend\00"
+@.str.3808 = private unnamed_addr constant [7 x i8] c"or.end\00"
+@.str.3809 = private unnamed_addr constant [5 x i8] c"phi \00"
+@.str.3810 = private unnamed_addr constant [4 x i8] c" [ \00"
+@.str.3811 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3812 = private unnamed_addr constant [7 x i8] c" ], [ \00"
+@.str.3813 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3814 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.3815 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3816 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3817 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.3818 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3819 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3820 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3821 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3822 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3823 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3824 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3825 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3826 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3827 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3828 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3829 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.3830 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3831 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3832 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3833 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3834 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3835 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3836 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3837 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3838 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3839 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3840 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.3841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3842 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3844 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3845 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3846 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3847 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3848 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3849 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3850 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3851 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3852 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3853 = private unnamed_addr constant [33 x i8] c"call void @finch_str_concat(ptr \00"
-@.str.3854 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3855 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3856 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3857 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3858 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3859 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3860 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3861 = private unnamed_addr constant [2 x i8] c"*\00"
-@.str.3862 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.3863 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.3864 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3865 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.3866 = private unnamed_addr constant [2 x i8] c"^\00"
-@.str.3867 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.3868 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.3869 = private unnamed_addr constant [4 x i8] c"add\00"
-@.str.3870 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.3871 = private unnamed_addr constant [4 x i8] c"mul\00"
-@.str.3872 = private unnamed_addr constant [5 x i8] c"sdiv\00"
-@.str.3873 = private unnamed_addr constant [5 x i8] c"srem\00"
-@.str.3874 = private unnamed_addr constant [4 x i8] c"and\00"
-@.str.3875 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.3876 = private unnamed_addr constant [4 x i8] c"xor\00"
-@.str.3877 = private unnamed_addr constant [4 x i8] c"shl\00"
-@.str.3878 = private unnamed_addr constant [5 x i8] c"ashr\00"
-@.str.3879 = private unnamed_addr constant [4 x i8] c"add\00"
-@.str.3880 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.3881 = private unnamed_addr constant [4 x i8] c"mul\00"
-@.str.3882 = private unnamed_addr constant [5 x i8] c"udiv\00"
-@.str.3883 = private unnamed_addr constant [5 x i8] c"urem\00"
-@.str.3884 = private unnamed_addr constant [4 x i8] c"and\00"
-@.str.3885 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.3886 = private unnamed_addr constant [4 x i8] c"xor\00"
-@.str.3887 = private unnamed_addr constant [4 x i8] c"shl\00"
-@.str.3888 = private unnamed_addr constant [5 x i8] c"lshr\00"
-@.str.3889 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.3890 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.3891 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3892 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.3893 = private unnamed_addr constant [9 x i8] c"icmp eq \00"
-@.str.3894 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3895 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3896 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.3897 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3898 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3899 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3900 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3901 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3902 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3903 = private unnamed_addr constant [2 x i8] c"*\00"
-@.str.3904 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.3905 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.3906 = private unnamed_addr constant [5 x i8] c"fadd\00"
-@.str.3907 = private unnamed_addr constant [5 x i8] c"fsub\00"
-@.str.3908 = private unnamed_addr constant [5 x i8] c"fmul\00"
-@.str.3909 = private unnamed_addr constant [5 x i8] c"fdiv\00"
-@.str.3910 = private unnamed_addr constant [5 x i8] c"frem\00"
+@.str.3819 = private unnamed_addr constant [3 x i8] c"0x\00"
+@.str.3820 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3821 = private unnamed_addr constant [3 x i8] c"0X\00"
+@.str.3822 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3823 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3824 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3825 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3826 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3827 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3828 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3829 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3830 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.3831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3832 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.3833 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3834 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3835 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3836 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3837 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3838 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.3839 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.3840 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.3841 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.3842 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.3843 = private unnamed_addr constant [6 x i8] c"unary\00"
+@.str.3844 = private unnamed_addr constant [7 x i8] c"binary\00"
+@.str.3845 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3846 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.3847 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3848 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3849 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3850 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3851 = private unnamed_addr constant [20 x i8] c"unknown expression \00"
+@.str.3852 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3853 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3854 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3855 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3856 = private unnamed_addr constant [20 x i8] c"the value after '!'\00"
+@.str.3857 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
+@.str.3858 = private unnamed_addr constant [7 x i8] c", true\00"
+@.str.3859 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3860 = private unnamed_addr constant [2 x i8] c"~\00"
+@.str.3861 = private unnamed_addr constant [46 x i8] c"'~' flips the bits of a whole number, not of \00"
+@.str.3862 = private unnamed_addr constant [5 x i8] c"xor \00"
+@.str.3863 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3864 = private unnamed_addr constant [5 x i8] c", -1\00"
+@.str.3865 = private unnamed_addr constant [35 x i8] c" can't be negative (it's unsigned)\00"
+@.str.3866 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3867 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.3868 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3869 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.3870 = private unnamed_addr constant [5 x i8] c"sub \00"
+@.str.3871 = private unnamed_addr constant [5 x i8] c" 0, \00"
+@.str.3872 = private unnamed_addr constant [6 x i8] c"fneg \00"
+@.str.3873 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3874 = private unnamed_addr constant [27 x i8] c"can't put '-' in front of \00"
+@.str.3875 = private unnamed_addr constant [12 x i8] c"can't use '\00"
+@.str.3876 = private unnamed_addr constant [6 x i8] c"' on \00"
+@.str.3877 = private unnamed_addr constant [6 x i8] c" and \00"
+@.str.3878 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.3879 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3880 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3881 = private unnamed_addr constant [49 x i8] c" (turn the other side into text first: str(...))\00"
+@.str.3882 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.3883 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.3884 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3885 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.3886 = private unnamed_addr constant [27 x i8] c" (for true/false use '&&')\00"
+@.str.3887 = private unnamed_addr constant [27 x i8] c" (for true/false use '||')\00"
+@.str.3888 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.3889 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.3890 = private unnamed_addr constant [2 x i8] c"^\00"
+@.str.3891 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.3892 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.3893 = private unnamed_addr constant [44 x i8] c" (bit operators work on whole numbers only)\00"
+@.str.3894 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.3895 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3896 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.3897 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.3898 = private unnamed_addr constant [32 x i8] c" (compare the parts one by one)\00"
+@.str.3899 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3900 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3901 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3902 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3903 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3904 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3905 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3906 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3907 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3908 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3909 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3910 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
 @.str.3911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3912 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3913 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3914 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3915 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3916 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3917 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3918 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3919 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3920 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3921 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3922 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3923 = private unnamed_addr constant [60 x i8] c"a str is never null; to check for empty text use s.len == 0\00"
-@.str.3924 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3925 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3926 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3927 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3928 = private unnamed_addr constant [6 x i8] c" ptr \00"
-@.str.3929 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3930 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3931 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3932 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3933 = private unnamed_addr constant [28 x i8] c"call i32 @finch_str_eq(ptr \00"
-@.str.3934 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3935 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3936 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3937 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3938 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3939 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3940 = private unnamed_addr constant [6 x i8] c" i32 \00"
-@.str.3941 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3942 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3943 = private unnamed_addr constant [29 x i8] c"call i64 @finch_str_cmp(ptr \00"
-@.str.3944 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3945 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3946 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3947 = private unnamed_addr constant [6 x i8] c" i64 \00"
-@.str.3948 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3949 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3950 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3951 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3952 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.3953 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.3954 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.3955 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.3956 = private unnamed_addr constant [4 x i8] c"oeq\00"
-@.str.3957 = private unnamed_addr constant [4 x i8] c"une\00"
-@.str.3958 = private unnamed_addr constant [4 x i8] c"olt\00"
-@.str.3959 = private unnamed_addr constant [4 x i8] c"ole\00"
-@.str.3960 = private unnamed_addr constant [4 x i8] c"ogt\00"
-@.str.3961 = private unnamed_addr constant [4 x i8] c"oge\00"
-@.str.3962 = private unnamed_addr constant [6 x i8] c"fcmp \00"
+@.str.3912 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3913 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3914 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3915 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3916 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3917 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3918 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3919 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3920 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3921 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3922 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3923 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3924 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3926 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3927 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3928 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3929 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3930 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3932 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3933 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3934 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3935 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3936 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3937 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3938 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3939 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3940 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3941 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3942 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3944 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3945 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3946 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3947 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3948 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3949 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3950 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3951 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3952 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3954 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3955 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3956 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3958 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3960 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3961 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3962 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
 @.str.3963 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3964 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3965 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3966 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3967 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3968 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3969 = private unnamed_addr constant [116 x i8] c"enums can only be compared with == and != (to go through them in order, give the variants numbers and use int(...))\00"
-@.str.3970 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3971 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3972 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3973 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3974 = private unnamed_addr constant [6 x i8] c" i32 \00"
-@.str.3975 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3976 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3977 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3978 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3979 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3980 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3981 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3982 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3983 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3984 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3985 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3986 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3987 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.3988 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.3989 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.3990 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.3991 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3992 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3993 = private unnamed_addr constant [4 x i8] c"ult\00"
-@.str.3994 = private unnamed_addr constant [4 x i8] c"ule\00"
-@.str.3995 = private unnamed_addr constant [4 x i8] c"ugt\00"
-@.str.3996 = private unnamed_addr constant [4 x i8] c"uge\00"
-@.str.3997 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3998 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3999 = private unnamed_addr constant [4 x i8] c"slt\00"
-@.str.4000 = private unnamed_addr constant [4 x i8] c"sle\00"
-@.str.4001 = private unnamed_addr constant [4 x i8] c"sgt\00"
-@.str.4002 = private unnamed_addr constant [4 x i8] c"sge\00"
-@.str.4003 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4004 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.4005 = private unnamed_addr constant [3 x i8] c"||\00"
-@.str.4006 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4007 = private unnamed_addr constant [11 x i8] c"logic.from\00"
-@.str.4008 = private unnamed_addr constant [10 x i8] c"logic.rhs\00"
-@.str.4009 = private unnamed_addr constant [10 x i8] c"logic.end\00"
-@.str.4010 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.4011 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4012 = private unnamed_addr constant [11 x i8] c"logic.rend\00"
-@.str.4013 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.4014 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.4015 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.4016 = private unnamed_addr constant [10 x i8] c"phi i1 [ \00"
-@.str.4017 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.4018 = private unnamed_addr constant [7 x i8] c" ], [ \00"
-@.str.4019 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.4020 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.4021 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4022 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4023 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4024 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.4025 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.4026 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.4027 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.4028 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.4029 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.4030 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4031 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4032 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4033 = private unnamed_addr constant [48 x i8] c"an empty [] needs a type, like: []int nums = []\00"
-@.str.4034 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4035 = private unnamed_addr constant [28 x i8] c"every element of this array\00"
-@.str.4036 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.4037 = private unnamed_addr constant [9 x i8] c"mul i64 \00"
-@.str.4038 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4039 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
-@.str.4040 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4041 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4042 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4043 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4044 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4045 = private unnamed_addr constant [42 x i8] c"insertvalue { ptr, i64, i64 } undef, ptr \00"
-@.str.4046 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4047 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
-@.str.4048 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4049 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.4050 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
-@.str.4051 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4052 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.4053 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4054 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
-@.str.4055 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4056 = private unnamed_addr constant [61 x i8] c"this is a temporary value, it can't be changed or pointed to\00"
-@.str.4057 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4058 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4059 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4060 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4061 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4062 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4063 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4064 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4065 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4066 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4067 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4068 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4069 = private unnamed_addr constant [8 x i8] c"fprintf\00"
-@.str.4070 = private unnamed_addr constant [6 x i8] c"stdin\00"
-@.str.4071 = private unnamed_addr constant [7 x i8] c"stdout\00"
-@.str.4072 = private unnamed_addr constant [7 x i8] c"stderr\00"
-@.str.4073 = private unnamed_addr constant [2 x i8] c"2\00"
-@.str.4074 = private unnamed_addr constant [6 x i8] c"stdin\00"
-@.str.4075 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.4076 = private unnamed_addr constant [7 x i8] c"stdout\00"
-@.str.4077 = private unnamed_addr constant [2 x i8] c"1\00"
-@.str.4078 = private unnamed_addr constant [32 x i8] c"call ptr @finch_std_stream(i32 \00"
-@.str.4079 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4080 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4081 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4082 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4083 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4084 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4086 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4087 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4088 = private unnamed_addr constant [3 x i8] c"g:\00"
-@.str.4089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4090 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4091 = private unnamed_addr constant [3 x i8] c"g:\00"
-@.str.4092 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4093 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.4094 = private unnamed_addr constant [2 x i8] c"@\00"
-@.str.4095 = private unnamed_addr constant [20 x i8] c" = external global \00"
-@.str.4096 = private unnamed_addr constant [2 x i8] c"@\00"
-@.str.4097 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4098 = private unnamed_addr constant [44 x i8] c"' is a module; use something from it, like \00"
-@.str.4099 = private unnamed_addr constant [11 x i8] c".name(...)\00"
-@.str.4100 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
-@.str.4101 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4102 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.4103 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4104 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.4105 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.4106 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.4107 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4108 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4109 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.4110 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4111 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4112 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4113 = private unnamed_addr constant [2 x i8] c"e\00"
-@.str.4114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4115 = private unnamed_addr constant [2 x i8] c"E\00"
-@.str.4116 = private unnamed_addr constant [3 x i8] c".0\00"
-@.str.4117 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4118 = private unnamed_addr constant [3 x i8] c".0\00"
-@.str.4119 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4120 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4122 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.4123 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.4124 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4125 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4127 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4128 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3964 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3965 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3966 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3967 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3968 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3969 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3970 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3972 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3973 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3974 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3975 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3976 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3977 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3979 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3981 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3982 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3983 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3985 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3986 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3987 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3988 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3990 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3991 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3992 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3993 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3994 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3995 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.3996 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3997 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3998 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3999 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.4000 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4001 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4002 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4003 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.4004 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4005 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.4006 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4007 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4008 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.4009 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4010 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.4011 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4012 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4014 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.4015 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.4016 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4017 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4018 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4019 = private unnamed_addr constant [33 x i8] c"call void @finch_str_concat(ptr \00"
+@.str.4020 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4021 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4022 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4023 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4024 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4025 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.4026 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.4027 = private unnamed_addr constant [2 x i8] c"*\00"
+@.str.4028 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.4029 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4030 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.4031 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.4032 = private unnamed_addr constant [2 x i8] c"^\00"
+@.str.4033 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.4034 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.4035 = private unnamed_addr constant [4 x i8] c"add\00"
+@.str.4036 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.4037 = private unnamed_addr constant [4 x i8] c"mul\00"
+@.str.4038 = private unnamed_addr constant [5 x i8] c"sdiv\00"
+@.str.4039 = private unnamed_addr constant [5 x i8] c"srem\00"
+@.str.4040 = private unnamed_addr constant [4 x i8] c"and\00"
+@.str.4041 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.4042 = private unnamed_addr constant [4 x i8] c"xor\00"
+@.str.4043 = private unnamed_addr constant [4 x i8] c"shl\00"
+@.str.4044 = private unnamed_addr constant [5 x i8] c"ashr\00"
+@.str.4045 = private unnamed_addr constant [4 x i8] c"add\00"
+@.str.4046 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.4047 = private unnamed_addr constant [4 x i8] c"mul\00"
+@.str.4048 = private unnamed_addr constant [5 x i8] c"udiv\00"
+@.str.4049 = private unnamed_addr constant [5 x i8] c"urem\00"
+@.str.4050 = private unnamed_addr constant [4 x i8] c"and\00"
+@.str.4051 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.4052 = private unnamed_addr constant [4 x i8] c"xor\00"
+@.str.4053 = private unnamed_addr constant [4 x i8] c"shl\00"
+@.str.4054 = private unnamed_addr constant [5 x i8] c"lshr\00"
+@.str.4055 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.4056 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4057 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4058 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.4059 = private unnamed_addr constant [9 x i8] c"icmp eq \00"
+@.str.4060 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4061 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4062 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.4063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4064 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4065 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4066 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4067 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.4068 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.4069 = private unnamed_addr constant [2 x i8] c"*\00"
+@.str.4070 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.4071 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4072 = private unnamed_addr constant [5 x i8] c"fadd\00"
+@.str.4073 = private unnamed_addr constant [5 x i8] c"fsub\00"
+@.str.4074 = private unnamed_addr constant [5 x i8] c"fmul\00"
+@.str.4075 = private unnamed_addr constant [5 x i8] c"fdiv\00"
+@.str.4076 = private unnamed_addr constant [5 x i8] c"frem\00"
+@.str.4077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4078 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4079 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4080 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4081 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4082 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4083 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4084 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4085 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4086 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4087 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4088 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4089 = private unnamed_addr constant [60 x i8] c"a str is never null; to check for empty text use s.len == 0\00"
+@.str.4090 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4091 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4092 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4093 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4094 = private unnamed_addr constant [6 x i8] c" ptr \00"
+@.str.4095 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4096 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4097 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4098 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4099 = private unnamed_addr constant [28 x i8] c"call i32 @finch_str_eq(ptr \00"
+@.str.4100 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4101 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4102 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4103 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4104 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4105 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4106 = private unnamed_addr constant [6 x i8] c" i32 \00"
+@.str.4107 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4108 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4109 = private unnamed_addr constant [29 x i8] c"call i64 @finch_str_cmp(ptr \00"
+@.str.4110 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4111 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4112 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4113 = private unnamed_addr constant [6 x i8] c" i64 \00"
+@.str.4114 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4115 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4116 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4117 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4118 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.4119 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.4120 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.4121 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.4122 = private unnamed_addr constant [4 x i8] c"oeq\00"
+@.str.4123 = private unnamed_addr constant [4 x i8] c"une\00"
+@.str.4124 = private unnamed_addr constant [4 x i8] c"olt\00"
+@.str.4125 = private unnamed_addr constant [4 x i8] c"ole\00"
+@.str.4126 = private unnamed_addr constant [4 x i8] c"ogt\00"
+@.str.4127 = private unnamed_addr constant [4 x i8] c"oge\00"
+@.str.4128 = private unnamed_addr constant [6 x i8] c"fcmp \00"
 @.str.4129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4130 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.4131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4132 = private unnamed_addr constant [10 x i8] c"the enum \00"
-@.str.4133 = private unnamed_addr constant [18 x i8] c" has no variant '\00"
-@.str.4134 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
-@.str.4135 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4136 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4137 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.4138 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4139 = private unnamed_addr constant [4 x i8] c" = \00"
-@.str.4140 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4141 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.4142 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4143 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4144 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4145 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4146 = private unnamed_addr constant [38 x i8] c"a variant of an enum can't be changed\00"
-@.str.4147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4148 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4149 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4150 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
-@.str.4151 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.4152 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.4153 = private unnamed_addr constant [7 x i8] c"used .\00"
-@.str.4154 = private unnamed_addr constant [19 x i8] c" on a null pointer\00"
-@.str.4155 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4156 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4157 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4158 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4160 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.4161 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.4162 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4163 = private unnamed_addr constant [3 x i8] c"a \00"
-@.str.4164 = private unnamed_addr constant [44 x i8] c" only has '.value' (the thing it points to)\00"
-@.str.4165 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.4166 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4167 = private unnamed_addr constant [27 x i8] c" can't be changed directly\00"
-@.str.4168 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.4169 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4170 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4171 = private unnamed_addr constant [35 x i8] c"an array has .len and .ptr, not '.\00"
-@.str.4172 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4173 = private unnamed_addr constant [49 x i8] c".ptr of a temporary value would point to nothing\00"
-@.str.4174 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4175 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4176 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4177 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4178 = private unnamed_addr constant [31 x i8] c".ptr can't be changed directly\00"
-@.str.4179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4180 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.4181 = private unnamed_addr constant [54 x i8] c".ptr of a temporary value would point to freed memory\00"
-@.str.4182 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4183 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4184 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.4185 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4186 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4187 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4188 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4189 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.4190 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.4191 = private unnamed_addr constant [38 x i8] c"an array, map or str has .len, not '.\00"
-@.str.4192 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4193 = private unnamed_addr constant [49 x i8] c".len can't be changed directly (use push or pop)\00"
-@.str.4194 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4195 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4196 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.4197 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4198 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4199 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.4200 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4201 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.4202 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4203 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4204 = private unnamed_addr constant [22 x i8] c" has no fields (no '.\00"
-@.str.4205 = private unnamed_addr constant [3 x i8] c"')\00"
+@.str.4130 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4131 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4132 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4133 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4134 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4135 = private unnamed_addr constant [116 x i8] c"enums can only be compared with == and != (to go through them in order, give the variants numbers and use int(...))\00"
+@.str.4136 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4137 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4138 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4139 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4140 = private unnamed_addr constant [6 x i8] c" i32 \00"
+@.str.4141 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4142 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4143 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4144 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4145 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4146 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4147 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4148 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4149 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4150 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4151 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4152 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4153 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.4154 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.4155 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.4156 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.4157 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4158 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4159 = private unnamed_addr constant [4 x i8] c"ult\00"
+@.str.4160 = private unnamed_addr constant [4 x i8] c"ule\00"
+@.str.4161 = private unnamed_addr constant [4 x i8] c"ugt\00"
+@.str.4162 = private unnamed_addr constant [4 x i8] c"uge\00"
+@.str.4163 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4164 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4165 = private unnamed_addr constant [4 x i8] c"slt\00"
+@.str.4166 = private unnamed_addr constant [4 x i8] c"sle\00"
+@.str.4167 = private unnamed_addr constant [4 x i8] c"sgt\00"
+@.str.4168 = private unnamed_addr constant [4 x i8] c"sge\00"
+@.str.4169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4170 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.4171 = private unnamed_addr constant [3 x i8] c"||\00"
+@.str.4172 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4173 = private unnamed_addr constant [11 x i8] c"logic.from\00"
+@.str.4174 = private unnamed_addr constant [10 x i8] c"logic.rhs\00"
+@.str.4175 = private unnamed_addr constant [10 x i8] c"logic.end\00"
+@.str.4176 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.4177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4178 = private unnamed_addr constant [11 x i8] c"logic.rend\00"
+@.str.4179 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.4180 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.4181 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.4182 = private unnamed_addr constant [10 x i8] c"phi i1 [ \00"
+@.str.4183 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.4184 = private unnamed_addr constant [7 x i8] c" ], [ \00"
+@.str.4185 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.4186 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.4187 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4188 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4190 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4191 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4192 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4193 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4194 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.4195 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.4196 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.4197 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.4198 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4199 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4201 = private unnamed_addr constant [48 x i8] c"an empty [] needs a type, like: []int nums = []\00"
+@.str.4202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4203 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4204 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4205 = private unnamed_addr constant [28 x i8] c"every element of this array\00"
 @.str.4206 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4207 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4208 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4209 = private unnamed_addr constant [12 x i8] c"the struct \00"
-@.str.4210 = private unnamed_addr constant [16 x i8] c" has no field '\00"
-@.str.4211 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
-@.str.4212 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4213 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4214 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4215 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.4216 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4217 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.4218 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4219 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4220 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4221 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
-@.str.4222 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4223 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.4224 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4225 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4228 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.4207 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4208 = private unnamed_addr constant [9 x i8] c"mul i64 \00"
+@.str.4209 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4210 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
+@.str.4211 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4212 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4213 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4214 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4216 = private unnamed_addr constant [42 x i8] c"insertvalue { ptr, i64, i64 } undef, ptr \00"
+@.str.4217 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4218 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
+@.str.4219 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4220 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.4221 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
+@.str.4222 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4223 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.4224 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4225 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
+@.str.4226 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4227 = private unnamed_addr constant [61 x i8] c"this is a temporary value, it can't be changed or pointed to\00"
+@.str.4228 = private unnamed_addr constant [4 x i8] c"var\00"
 @.str.4229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4230 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4230 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.4231 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4232 = private unnamed_addr constant [9 x i8] c"an index\00"
-@.str.4233 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.4234 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4235 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4236 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4237 = private unnamed_addr constant [14 x i8] c", i64 0, i64 \00"
+@.str.4232 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4234 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4235 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4236 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4237 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.4238 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4239 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4240 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
-@.str.4241 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4243 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4244 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4245 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4246 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4247 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4248 = private unnamed_addr constant [47 x i8] c"[ ] works on arrays, str and pointers, not on \00"
-@.str.4249 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4250 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4251 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4252 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4253 = private unnamed_addr constant [45 x i8] c"this is a temporary str, it can't be changed\00"
-@.str.4254 = private unnamed_addr constant [30 x i8] c"call void @finch_str_own(ptr \00"
-@.str.4255 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4256 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4257 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.4258 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.4259 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.4260 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4261 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4262 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4263 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4264 = private unnamed_addr constant [18 x i8] c"named arguments (\00"
-@.str.4265 = private unnamed_addr constant [37 x i8] c": ...) are only for creating structs\00"
-@.str.4266 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4267 = private unnamed_addr constant [9 x i8] c"' takes \00"
-@.str.4268 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
-@.str.4269 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4270 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4271 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4272 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4273 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.4274 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4275 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4276 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4277 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4278 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4279 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.4280 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.4281 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4282 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.4283 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.4284 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.4285 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.4286 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.4287 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4288 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4290 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4291 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4292 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4293 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4294 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4295 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4296 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4297 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4298 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.4299 = private unnamed_addr constant [33 x i8] c"call i32 @finch_str_try_int(ptr \00"
-@.str.4300 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4301 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4302 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4303 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4304 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4305 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4306 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4307 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4309 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4310 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4311 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4312 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4313 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4314 = private unnamed_addr constant [4 x i8] c"0.0\00"
-@.str.4315 = private unnamed_addr constant [35 x i8] c"call i32 @finch_str_try_float(ptr \00"
-@.str.4316 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4317 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4318 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4319 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4320 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4322 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4323 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4324 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4325 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4326 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4327 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4328 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4330 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.4331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4332 = private unnamed_addr constant [32 x i8] c"call i64 @finch_str_to_int(ptr \00"
-@.str.4333 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4334 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4335 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4336 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4337 = private unnamed_addr constant [37 x i8] c"call double @finch_str_to_float(ptr \00"
-@.str.4338 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4339 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4340 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4341 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4342 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4343 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4344 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4345 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4346 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4347 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4348 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.4349 = private unnamed_addr constant [7 x i8] c"fptoui\00"
-@.str.4350 = private unnamed_addr constant [7 x i8] c"fptosi\00"
-@.str.4351 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4352 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4353 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.4354 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4355 = private unnamed_addr constant [9 x i8] c"icmp ne \00"
-@.str.4356 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4357 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4358 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4359 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4360 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.4361 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4362 = private unnamed_addr constant [14 x i8] c"inttoptr i64 \00"
-@.str.4363 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.4364 = private unnamed_addr constant [8 x i8] c" to ptr\00"
-@.str.4365 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4366 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
-@.str.4367 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.4368 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4369 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4370 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4371 = private unnamed_addr constant [71 x i8] c"use .ptr to get a str's address (it is only valid while the str lives)\00"
-@.str.4372 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4373 = private unnamed_addr constant [12 x i8] c"can't turn \00"
-@.str.4374 = private unnamed_addr constant [7 x i8] c" into \00"
-@.str.4375 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4377 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4378 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4379 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.4380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4381 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4382 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4383 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4384 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.4385 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4386 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4387 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4388 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4389 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4390 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4391 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4392 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4239 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4240 = private unnamed_addr constant [8 x i8] c"fprintf\00"
+@.str.4241 = private unnamed_addr constant [6 x i8] c"stdin\00"
+@.str.4242 = private unnamed_addr constant [7 x i8] c"stdout\00"
+@.str.4243 = private unnamed_addr constant [7 x i8] c"stderr\00"
+@.str.4244 = private unnamed_addr constant [2 x i8] c"2\00"
+@.str.4245 = private unnamed_addr constant [6 x i8] c"stdin\00"
+@.str.4246 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4247 = private unnamed_addr constant [7 x i8] c"stdout\00"
+@.str.4248 = private unnamed_addr constant [2 x i8] c"1\00"
+@.str.4249 = private unnamed_addr constant [32 x i8] c"call ptr @finch_std_stream(i32 \00"
+@.str.4250 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4251 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4253 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4255 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4256 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4257 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4258 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4259 = private unnamed_addr constant [3 x i8] c"g:\00"
+@.str.4260 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4261 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4262 = private unnamed_addr constant [3 x i8] c"g:\00"
+@.str.4263 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4264 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.4265 = private unnamed_addr constant [2 x i8] c"@\00"
+@.str.4266 = private unnamed_addr constant [20 x i8] c" = external global \00"
+@.str.4267 = private unnamed_addr constant [2 x i8] c"@\00"
+@.str.4268 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4269 = private unnamed_addr constant [44 x i8] c"' is a module; use something from it, like \00"
+@.str.4270 = private unnamed_addr constant [11 x i8] c".name(...)\00"
+@.str.4271 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
+@.str.4272 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4273 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.4274 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4275 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.4276 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.4277 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.4278 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4279 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4280 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4281 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4282 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4284 = private unnamed_addr constant [2 x i8] c"e\00"
+@.str.4285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4286 = private unnamed_addr constant [2 x i8] c"E\00"
+@.str.4287 = private unnamed_addr constant [3 x i8] c".0\00"
+@.str.4288 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4289 = private unnamed_addr constant [3 x i8] c".0\00"
+@.str.4290 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4291 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4293 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.4294 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.4295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4296 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4297 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4298 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4300 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4301 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.4302 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4303 = private unnamed_addr constant [10 x i8] c"the enum \00"
+@.str.4304 = private unnamed_addr constant [18 x i8] c" has no variant '\00"
+@.str.4305 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
+@.str.4306 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4307 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4308 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.4309 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4310 = private unnamed_addr constant [4 x i8] c" = \00"
+@.str.4311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4312 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.4313 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4314 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4315 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4317 = private unnamed_addr constant [38 x i8] c"a variant of an enum can't be changed\00"
+@.str.4318 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4319 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4320 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4321 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
+@.str.4322 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.4323 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.4324 = private unnamed_addr constant [7 x i8] c"used .\00"
+@.str.4325 = private unnamed_addr constant [19 x i8] c" on a null pointer\00"
+@.str.4326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4327 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4328 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4329 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4330 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4331 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.4332 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.4333 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4334 = private unnamed_addr constant [3 x i8] c"a \00"
+@.str.4335 = private unnamed_addr constant [44 x i8] c" only has '.value' (the thing it points to)\00"
+@.str.4336 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4337 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4338 = private unnamed_addr constant [27 x i8] c" can't be changed directly\00"
+@.str.4339 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.4340 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4341 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4342 = private unnamed_addr constant [35 x i8] c"an array has .len and .ptr, not '.\00"
+@.str.4343 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4344 = private unnamed_addr constant [49 x i8] c".ptr of a temporary value would point to nothing\00"
+@.str.4345 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4346 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4347 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4348 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4349 = private unnamed_addr constant [31 x i8] c".ptr can't be changed directly\00"
+@.str.4350 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4351 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4352 = private unnamed_addr constant [54 x i8] c".ptr of a temporary value would point to freed memory\00"
+@.str.4353 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4354 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4355 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.4356 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4357 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4358 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4359 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4360 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.4361 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.4362 = private unnamed_addr constant [38 x i8] c"an array, map or str has .len, not '.\00"
+@.str.4363 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4364 = private unnamed_addr constant [49 x i8] c".len can't be changed directly (use push or pop)\00"
+@.str.4365 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4366 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4367 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.4368 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4369 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4370 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.4371 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4372 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.4373 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4374 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4375 = private unnamed_addr constant [22 x i8] c" has no fields (no '.\00"
+@.str.4376 = private unnamed_addr constant [3 x i8] c"')\00"
+@.str.4377 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4378 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4379 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4380 = private unnamed_addr constant [12 x i8] c"the struct \00"
+@.str.4381 = private unnamed_addr constant [16 x i8] c" has no field '\00"
+@.str.4382 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
+@.str.4383 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4384 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4385 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4386 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.4387 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4388 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.4389 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4390 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4391 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4392 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
 @.str.4393 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4394 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4395 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4396 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4397 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4394 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.4395 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4396 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4397 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.4398 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4399 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4400 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4401 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.4402 = private unnamed_addr constant [4 x i8] c" x \00"
-@.str.4403 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.4404 = private unnamed_addr constant [3 x i8] c"{ \00"
-@.str.4405 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4406 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.4407 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4408 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4409 = private unnamed_addr constant [5 x i8] c"i128\00"
-@.str.4410 = private unnamed_addr constant [5 x i8] c"i128\00"
-@.str.4411 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4412 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4413 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
-@.str.4414 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
-@.str.4415 = private unnamed_addr constant [7 x i8] c"direct\00"
-@.str.4416 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4417 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4418 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4419 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4420 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4421 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4422 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4423 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4424 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4425 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4427 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4428 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4430 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.4431 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4434 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4436 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4438 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4439 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4440 = private unnamed_addr constant [12 x i8] c"<2 x float>\00"
-@.str.4441 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4442 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4443 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4444 = private unnamed_addr constant [3 x i8] c"{ \00"
-@.str.4445 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4446 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.4447 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4448 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4449 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4450 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4451 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4452 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4453 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4454 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4455 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4456 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4457 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4458 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4459 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4460 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4461 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4462 = private unnamed_addr constant [7 x i8] c"direct\00"
-@.str.4463 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4399 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4400 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4401 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.4402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4403 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4405 = private unnamed_addr constant [9 x i8] c"an index\00"
+@.str.4406 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4407 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4408 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4409 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4410 = private unnamed_addr constant [14 x i8] c", i64 0, i64 \00"
+@.str.4411 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4412 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4413 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
+@.str.4414 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4415 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4416 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4417 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4418 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4419 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4420 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4421 = private unnamed_addr constant [47 x i8] c"[ ] works on arrays, str and pointers, not on \00"
+@.str.4422 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4423 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4425 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4426 = private unnamed_addr constant [45 x i8] c"this is a temporary str, it can't be changed\00"
+@.str.4427 = private unnamed_addr constant [30 x i8] c"call void @finch_str_own(ptr \00"
+@.str.4428 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4429 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4430 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.4431 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.4432 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.4433 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4434 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4435 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4436 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4437 = private unnamed_addr constant [18 x i8] c"named arguments (\00"
+@.str.4438 = private unnamed_addr constant [37 x i8] c": ...) are only for creating structs\00"
+@.str.4439 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4440 = private unnamed_addr constant [9 x i8] c"' takes \00"
+@.str.4441 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
+@.str.4442 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4443 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4444 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4445 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4446 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.4447 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4448 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4449 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4450 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4451 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4452 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.4453 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.4454 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4455 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.4456 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.4457 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.4458 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.4459 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4460 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4461 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4462 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4463 = private unnamed_addr constant [4 x i8] c"str\00"
 @.str.4464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4465 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4466 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4467 = private unnamed_addr constant [17 x i8] c"the C function '\00"
-@.str.4468 = private unnamed_addr constant [3 x i8] c"' \00"
-@.str.4469 = private unnamed_addr constant [19 x i8] c" the Finch struct \00"
-@.str.4470 = private unnamed_addr constant [21 x i8] c", which C can't take\00"
-@.str.4471 = private unnamed_addr constant [17 x i8] c"the C function '\00"
-@.str.4472 = private unnamed_addr constant [3 x i8] c"' \00"
-@.str.4473 = private unnamed_addr constant [13 x i8] c" the struct \00"
-@.str.4474 = private unnamed_addr constant [41 x i8] c" by value, which Finch can't do yet: it \00"
-@.str.4475 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4476 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4477 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4478 = private unnamed_addr constant [60 x i8] c"methods can't be exported (export a plain fn that calls it)\00"
-@.str.4479 = private unnamed_addr constant [75 x i8] c"an export fn can't fail (C has no errors as values): handle them inside it\00"
-@.str.4480 = private unnamed_addr constant [30 x i8] c"an export fn can't be generic\00"
+@.str.4465 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.4466 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4467 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4468 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.4469 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4470 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4471 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4472 = private unnamed_addr constant [33 x i8] c"call i32 @finch_str_try_int(ptr \00"
+@.str.4473 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4474 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4475 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4476 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.4477 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4478 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4479 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.4480 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
 @.str.4481 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4482 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4483 = private unnamed_addr constant [67 x i8] c"an export fn takes numbers, bool, char and pointers only (this is \00"
-@.str.4484 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4485 = private unnamed_addr constant [51 x i8] c"; pass text as ptr[char] and make it a str inside)\00"
-@.str.4486 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4487 = private unnamed_addr constant [70 x i8] c"an export fn returns nothing, a number, bool, char or a pointer (not \00"
-@.str.4488 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4489 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4490 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.4491 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4492 = private unnamed_addr constant [39 x i8] c"' is exported twice (from two modules)\00"
-@.str.4493 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4494 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4495 = private unnamed_addr constant [14 x i8] c"i8 zeroext %e\00"
-@.str.4496 = private unnamed_addr constant [4 x i8] c"i1 \00"
-@.str.4497 = private unnamed_addr constant [14 x i8] c"icmp ne i8 %e\00"
-@.str.4498 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4499 = private unnamed_addr constant [4 x i8] c" %e\00"
-@.str.4500 = private unnamed_addr constant [4 x i8] c" %e\00"
-@.str.4501 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.4502 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4503 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4504 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4505 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4506 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4507 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4508 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4509 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.4510 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4511 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.4512 = private unnamed_addr constant [9 x i8] c" zeroext\00"
-@.str.4513 = private unnamed_addr constant [8 x i8] c"ret i8 \00"
-@.str.4514 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4515 = private unnamed_addr constant [7 x i8] c" to i8\00"
-@.str.4516 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.4517 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4518 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4519 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4520 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4521 = private unnamed_addr constant [11 x i8] c" dllexport\00"
-@.str.4522 = private unnamed_addr constant [7 x i8] c"define\00"
-@.str.4523 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4524 = private unnamed_addr constant [3 x i8] c" @\00"
-@.str.4525 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4526 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4527 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4528 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4529 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.4530 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4531 = private unnamed_addr constant [10 x i8] c"@finch.c.\00"
-@.str.4532 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4533 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4534 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4535 = private unnamed_addr constant [3 x i8] c"t:\00"
-@.str.4536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4537 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4538 = private unnamed_addr constant [3 x i8] c"t:\00"
-@.str.4539 = private unnamed_addr constant [6 x i8] c"addr(\00"
-@.str.4540 = private unnamed_addr constant [82 x i8] c") gives C a function pointer, so it can't be a method or a function that can fail\00"
-@.str.4541 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4542 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4543 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4544 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4482 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.4483 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4484 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4485 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4486 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4487 = private unnamed_addr constant [4 x i8] c"0.0\00"
+@.str.4488 = private unnamed_addr constant [35 x i8] c"call i32 @finch_str_try_float(ptr \00"
+@.str.4489 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4490 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4491 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4492 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.4493 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4494 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4495 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.4496 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4497 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4498 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.4499 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4500 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4501 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4503 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.4504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4505 = private unnamed_addr constant [32 x i8] c"call i64 @finch_str_to_int(ptr \00"
+@.str.4506 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4507 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4508 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4509 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4510 = private unnamed_addr constant [37 x i8] c"call double @finch_str_to_float(ptr \00"
+@.str.4511 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4512 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4513 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4514 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4515 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4516 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4517 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4518 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4519 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4520 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.4521 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.4522 = private unnamed_addr constant [7 x i8] c"fptoui\00"
+@.str.4523 = private unnamed_addr constant [7 x i8] c"fptosi\00"
+@.str.4524 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4525 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4526 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.4527 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4528 = private unnamed_addr constant [9 x i8] c"icmp ne \00"
+@.str.4529 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4530 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4531 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4532 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4533 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4534 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4535 = private unnamed_addr constant [14 x i8] c"inttoptr i64 \00"
+@.str.4536 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.4537 = private unnamed_addr constant [8 x i8] c" to ptr\00"
+@.str.4538 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4539 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
+@.str.4540 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.4541 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4542 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4543 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4544 = private unnamed_addr constant [71 x i8] c"use .ptr to get a str's address (it is only valid while the str lives)\00"
 @.str.4545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4546 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4547 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4548 = private unnamed_addr constant [6 x i8] c"addr(\00"
-@.str.4549 = private unnamed_addr constant [96 x i8] c") gives C a function pointer, so its parameters must be C types (numbers, ptr, C structs), not \00"
-@.str.4550 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4551 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4552 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4553 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4554 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4555 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4556 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4557 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4558 = private unnamed_addr constant [6 x i8] c"addr(\00"
-@.str.4559 = private unnamed_addr constant [39 x i8] c"): a function given to C can't return \00"
-@.str.4560 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4561 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
-@.str.4562 = private unnamed_addr constant [15 x i8] c") align 16 %c0\00"
-@.str.4563 = private unnamed_addr constant [4 x i8] c"%c0\00"
+@.str.4546 = private unnamed_addr constant [12 x i8] c"can't turn \00"
+@.str.4547 = private unnamed_addr constant [7 x i8] c" into \00"
+@.str.4548 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4549 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4550 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4552 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4554 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4555 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4556 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4557 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4558 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4559 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4561 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4562 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4563 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.4564 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4566 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4567 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
-@.str.4568 = private unnamed_addr constant [9 x i8] c") align \00"
-@.str.4569 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4570 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4571 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.4572 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4573 = private unnamed_addr constant [7 x i8] c"ptr %c\00"
-@.str.4574 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4575 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.4576 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4577 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4578 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4579 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4580 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4581 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.4582 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
-@.str.4583 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4584 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4585 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4586 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4587 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.4588 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4589 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4590 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4591 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4592 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4593 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4594 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.4595 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.4596 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4597 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4598 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.4599 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4600 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.4601 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4602 = private unnamed_addr constant [16 x i8] c"define internal\00"
-@.str.4603 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4604 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4605 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4606 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4607 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4565 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4568 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4570 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4571 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4572 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4573 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4574 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.4575 = private unnamed_addr constant [4 x i8] c" x \00"
+@.str.4576 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.4577 = private unnamed_addr constant [3 x i8] c"{ \00"
+@.str.4578 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4579 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.4580 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4581 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4582 = private unnamed_addr constant [5 x i8] c"i128\00"
+@.str.4583 = private unnamed_addr constant [5 x i8] c"i128\00"
+@.str.4584 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4585 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.4586 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
+@.str.4587 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
+@.str.4588 = private unnamed_addr constant [7 x i8] c"direct\00"
+@.str.4589 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4590 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4591 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4592 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4594 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4595 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4596 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4597 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4598 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.4599 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4600 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4601 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4602 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4603 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.4604 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4605 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4606 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.4608 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4609 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.4609 = private unnamed_addr constant [7 x i8] c"expand\00"
 @.str.4610 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.4611 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4612 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4613 = private unnamed_addr constant [55 x i8] c"(...) turns a whole number into the enum, but this is \00"
-@.str.4614 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4615 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4612 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4613 = private unnamed_addr constant [12 x i8] c"<2 x float>\00"
+@.str.4614 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4615 = private unnamed_addr constant [2 x i8] c"i\00"
 @.str.4616 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4617 = private unnamed_addr constant [38 x i8] c" is not the number of any variant of \00"
-@.str.4618 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4619 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4620 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
-@.str.4621 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4622 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4623 = private unnamed_addr constant [7 x i8] c"or i1 \00"
-@.str.4624 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4625 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
-@.str.4626 = private unnamed_addr constant [7 x i8] c", true\00"
-@.str.4627 = private unnamed_addr constant [33 x i8] c"this number is not a variant of \00"
-@.str.4628 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.4629 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4630 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4631 = private unnamed_addr constant [9 x i8] c" zeroext\00"
-@.str.4632 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4633 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4634 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4635 = private unnamed_addr constant [9 x i8] c" signext\00"
-@.str.4636 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4637 = private unnamed_addr constant [9 x i8] c" zeroext\00"
-@.str.4638 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4639 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4640 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4641 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4642 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.4643 = private unnamed_addr constant [4 x i8] c"...\00"
-@.str.4644 = private unnamed_addr constant [18 x i8] c"C function from `\00"
-@.str.4645 = private unnamed_addr constant [8 x i8] c"`\0A```c\0A\00"
-@.str.4646 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4647 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4648 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4649 = private unnamed_addr constant [6 x i8] c")\0A```\00"
-@.str.4650 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4651 = private unnamed_addr constant [17 x i8] c"the C function '\00"
-@.str.4652 = private unnamed_addr constant [36 x i8] c"' can't be used from Finch yet: it \00"
-@.str.4653 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4654 = private unnamed_addr constant [18 x i8] c"' takes at least \00"
-@.str.4655 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
-@.str.4656 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4657 = private unnamed_addr constant [9 x i8] c"' takes \00"
-@.str.4658 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
-@.str.4659 = private unnamed_addr constant [8 x i8] c"returns\00"
-@.str.4660 = private unnamed_addr constant [6 x i8] c"takes\00"
-@.str.4661 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4662 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
-@.str.4663 = private unnamed_addr constant [11 x i8] c") align 16\00"
-@.str.4664 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
-@.str.4665 = private unnamed_addr constant [12 x i8] c") align 16 \00"
+@.str.4617 = private unnamed_addr constant [3 x i8] c"{ \00"
+@.str.4618 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4619 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.4620 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4621 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4622 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4623 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4624 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4625 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4626 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4627 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4628 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4629 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.4630 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4631 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4632 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4633 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4634 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4635 = private unnamed_addr constant [7 x i8] c"direct\00"
+@.str.4636 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4637 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4638 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4639 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4640 = private unnamed_addr constant [17 x i8] c"the C function '\00"
+@.str.4641 = private unnamed_addr constant [3 x i8] c"' \00"
+@.str.4642 = private unnamed_addr constant [19 x i8] c" the Finch struct \00"
+@.str.4643 = private unnamed_addr constant [21 x i8] c", which C can't take\00"
+@.str.4644 = private unnamed_addr constant [17 x i8] c"the C function '\00"
+@.str.4645 = private unnamed_addr constant [3 x i8] c"' \00"
+@.str.4646 = private unnamed_addr constant [13 x i8] c" the struct \00"
+@.str.4647 = private unnamed_addr constant [41 x i8] c" by value, which Finch can't do yet: it \00"
+@.str.4648 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4649 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4650 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4651 = private unnamed_addr constant [60 x i8] c"methods can't be exported (export a plain fn that calls it)\00"
+@.str.4652 = private unnamed_addr constant [75 x i8] c"an export fn can't fail (C has no errors as values): handle them inside it\00"
+@.str.4653 = private unnamed_addr constant [30 x i8] c"an export fn can't be generic\00"
+@.str.4654 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4655 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4656 = private unnamed_addr constant [67 x i8] c"an export fn takes numbers, bool, char and pointers only (this is \00"
+@.str.4657 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4658 = private unnamed_addr constant [51 x i8] c"; pass text as ptr[char] and make it a str inside)\00"
+@.str.4659 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4660 = private unnamed_addr constant [70 x i8] c"an export fn returns nothing, a number, bool, char or a pointer (not \00"
+@.str.4661 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4663 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.4664 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4665 = private unnamed_addr constant [39 x i8] c"' is exported twice (from two modules)\00"
 @.str.4666 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4667 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4668 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4670 = private unnamed_addr constant [10 x i8] c"argument \00"
-@.str.4671 = private unnamed_addr constant [5 x i8] c" of \00"
-@.str.4672 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4673 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
-@.str.4674 = private unnamed_addr constant [9 x i8] c") align \00"
+@.str.4667 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4668 = private unnamed_addr constant [14 x i8] c"i8 zeroext %e\00"
+@.str.4669 = private unnamed_addr constant [4 x i8] c"i1 \00"
+@.str.4670 = private unnamed_addr constant [14 x i8] c"icmp ne i8 %e\00"
+@.str.4671 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4672 = private unnamed_addr constant [4 x i8] c" %e\00"
+@.str.4673 = private unnamed_addr constant [4 x i8] c" %e\00"
+@.str.4674 = private unnamed_addr constant [6 x i8] c"call \00"
 @.str.4675 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4676 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4677 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4678 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.4679 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4680 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4681 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4682 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
-@.str.4683 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4684 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4685 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4686 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4687 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4688 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.4689 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4690 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4691 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4676 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4677 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4678 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4679 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4680 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4681 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4682 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.4683 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4684 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.4685 = private unnamed_addr constant [9 x i8] c" zeroext\00"
+@.str.4686 = private unnamed_addr constant [8 x i8] c"ret i8 \00"
+@.str.4687 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.4688 = private unnamed_addr constant [7 x i8] c" to i8\00"
+@.str.4689 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.4690 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4691 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.4692 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4693 = private unnamed_addr constant [24 x i8] c"this gives back nothing\00"
-@.str.4694 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4695 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4696 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4697 = private unnamed_addr constant [69 x i8] c"structs and arrays can't be passed to the '...' part of a C function\00"
-@.str.4698 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.4699 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4700 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4701 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4702 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4703 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4704 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4705 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4706 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4707 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4708 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4709 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4710 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4711 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4712 = private unnamed_addr constant [7 x i8] c"direct\00"
-@.str.4713 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4714 = private unnamed_addr constant [6 x i8] c", ...\00"
-@.str.4715 = private unnamed_addr constant [4 x i8] c"...\00"
-@.str.4716 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4717 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4718 = private unnamed_addr constant [3 x i8] c"f:\00"
-@.str.4719 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4720 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4721 = private unnamed_addr constant [3 x i8] c"f:\00"
-@.str.4722 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4723 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.4724 = private unnamed_addr constant [8 x i8] c"declare\00"
-@.str.4725 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4726 = private unnamed_addr constant [3 x i8] c" @\00"
-@.str.4727 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4728 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4729 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4730 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4731 = private unnamed_addr constant [3 x i8] c" (\00"
-@.str.4732 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4733 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4734 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.4735 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4736 = private unnamed_addr constant [3 x i8] c" @\00"
-@.str.4737 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4738 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4739 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4740 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4741 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4742 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4743 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4744 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4745 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4746 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
-@.str.4747 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4748 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4749 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4750 = private unnamed_addr constant [7 x i8] c"printf\00"
-@.str.4751 = private unnamed_addr constant [7 x i8] c"fflush\00"
-@.str.4752 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.4753 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.4754 = private unnamed_addr constant [6 x i8] c"qsort\00"
-@.str.4755 = private unnamed_addr constant [7 x i8] c"printf\00"
-@.str.4756 = private unnamed_addr constant [5 x i8] c"puts\00"
-@.str.4757 = private unnamed_addr constant [8 x i8] c"putchar\00"
-@.str.4758 = private unnamed_addr constant [6 x i8] c"scanf\00"
-@.str.4759 = private unnamed_addr constant [6 x i8] c"fopen\00"
-@.str.4760 = private unnamed_addr constant [8 x i8] c"getchar\00"
-@.str.4761 = private unnamed_addr constant [5 x i8] c"sqrt\00"
-@.str.4762 = private unnamed_addr constant [4 x i8] c"pow\00"
-@.str.4763 = private unnamed_addr constant [4 x i8] c"sin\00"
-@.str.4764 = private unnamed_addr constant [4 x i8] c"cos\00"
-@.str.4765 = private unnamed_addr constant [6 x i8] c"floor\00"
-@.str.4766 = private unnamed_addr constant [5 x i8] c"fabs\00"
-@.str.4767 = private unnamed_addr constant [7 x i8] c"malloc\00"
-@.str.4768 = private unnamed_addr constant [5 x i8] c"rand\00"
-@.str.4769 = private unnamed_addr constant [6 x i8] c"srand\00"
-@.str.4770 = private unnamed_addr constant [4 x i8] c"abs\00"
-@.str.4771 = private unnamed_addr constant [5 x i8] c"atoi\00"
-@.str.4772 = private unnamed_addr constant [7 x i8] c"strlen\00"
-@.str.4773 = private unnamed_addr constant [7 x i8] c"strcpy\00"
-@.str.4774 = private unnamed_addr constant [7 x i8] c"memcpy\00"
-@.str.4775 = private unnamed_addr constant [5 x i8] c"time\00"
-@.str.4776 = private unnamed_addr constant [6 x i8] c"sleep\00"
-@.str.4777 = private unnamed_addr constant [7 x i8] c"usleep\00"
-@.str.4778 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4779 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4780 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4781 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4782 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4783 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4784 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4785 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4786 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4787 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4788 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4789 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4790 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4791 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4792 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4793 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4794 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4795 = private unnamed_addr constant [9 x i8] c"string.h\00"
-@.str.4796 = private unnamed_addr constant [9 x i8] c"string.h\00"
-@.str.4797 = private unnamed_addr constant [9 x i8] c"string.h\00"
-@.str.4798 = private unnamed_addr constant [7 x i8] c"time.h\00"
-@.str.4799 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
-@.str.4800 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
-@.str.4801 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4802 = private unnamed_addr constant [29 x i8] c" (it's from C: add  import \22\00"
-@.str.4803 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4804 = private unnamed_addr constant [15 x i8] c"\22  at the top)\00"
-@.str.4805 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4806 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.4807 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4808 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.4809 = private unnamed_addr constant [87 x i8] c"error(...) makes an error to return from a function that can fail: return error(\22...\22)\00"
-@.str.4810 = private unnamed_addr constant [6 x i8] c"print\00"
-@.str.4811 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4812 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4813 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4814 = private unnamed_addr constant [54 x i8] c"this gives back nothing, so there is nothing to print\00"
-@.str.4815 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4816 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4817 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.4818 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4819 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4820 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.4821 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4822 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4823 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4824 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.4825 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4826 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4827 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.4828 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.4829 = private unnamed_addr constant [64 x i8] c"addr(...) needs a variable, a field or an element, like addr(x)\00"
-@.str.4830 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4832 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4833 = private unnamed_addr constant [35 x i8] c"call void @finch_str_from_int(ptr \00"
-@.str.4834 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4835 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4836 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4837 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_uint(ptr \00"
-@.str.4838 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4839 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.4840 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4841 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_float(ptr \00"
-@.str.4842 = private unnamed_addr constant [10 x i8] c", double \00"
-@.str.4843 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4844 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4845 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4846 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_char(ptr \00"
-@.str.4847 = private unnamed_addr constant [14 x i8] c", i8 signext \00"
-@.str.4848 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4849 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4850 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4851 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4852 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_bool(ptr \00"
-@.str.4853 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.4854 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4855 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4856 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4857 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4858 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
-@.str.4859 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4860 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4861 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4862 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4863 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.4864 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4865 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4866 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4867 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4868 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_bytes(ptr \00"
-@.str.4869 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4870 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4871 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4872 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4873 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4874 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.4875 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4876 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4877 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4878 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4879 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4880 = private unnamed_addr constant [12 x i8] c"can't turn \00"
-@.str.4881 = private unnamed_addr constant [10 x i8] c" into str\00"
-@.str.4882 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4883 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4884 = private unnamed_addr constant [10 x i8] c"read_file\00"
-@.str.4885 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.4886 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4887 = private unnamed_addr constant [14 x i8] c"the file name\00"
-@.str.4888 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.4889 = private unnamed_addr constant [33 x i8] c"call i32 @finch_file_exists(ptr \00"
-@.str.4890 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4891 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.4892 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4893 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4693 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4694 = private unnamed_addr constant [11 x i8] c" dllexport\00"
+@.str.4695 = private unnamed_addr constant [7 x i8] c"define\00"
+@.str.4696 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4697 = private unnamed_addr constant [3 x i8] c" @\00"
+@.str.4698 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4699 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4700 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4701 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4702 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.4703 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4704 = private unnamed_addr constant [10 x i8] c"@finch.c.\00"
+@.str.4705 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4706 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4707 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4708 = private unnamed_addr constant [3 x i8] c"t:\00"
+@.str.4709 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4710 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4711 = private unnamed_addr constant [3 x i8] c"t:\00"
+@.str.4712 = private unnamed_addr constant [6 x i8] c"addr(\00"
+@.str.4713 = private unnamed_addr constant [82 x i8] c") gives C a function pointer, so it can't be a method or a function that can fail\00"
+@.str.4714 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4715 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4716 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4717 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4718 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4719 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4720 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4721 = private unnamed_addr constant [6 x i8] c"addr(\00"
+@.str.4722 = private unnamed_addr constant [96 x i8] c") gives C a function pointer, so its parameters must be C types (numbers, ptr, C structs), not \00"
+@.str.4723 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4724 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4725 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4726 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4727 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4728 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4729 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4730 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4731 = private unnamed_addr constant [6 x i8] c"addr(\00"
+@.str.4732 = private unnamed_addr constant [39 x i8] c"): a function given to C can't return \00"
+@.str.4733 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4734 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
+@.str.4735 = private unnamed_addr constant [15 x i8] c") align 16 %c0\00"
+@.str.4736 = private unnamed_addr constant [4 x i8] c"%c0\00"
+@.str.4737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4739 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4740 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
+@.str.4741 = private unnamed_addr constant [9 x i8] c") align \00"
+@.str.4742 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4743 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4744 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.4745 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4746 = private unnamed_addr constant [7 x i8] c"ptr %c\00"
+@.str.4747 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4748 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.4749 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4750 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4751 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4752 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4753 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4754 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.4755 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
+@.str.4756 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4757 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4758 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4759 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4760 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.4761 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4762 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4763 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4764 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4765 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4766 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4767 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.4768 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.4769 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4770 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4771 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.4772 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4773 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.4774 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4775 = private unnamed_addr constant [16 x i8] c"define internal\00"
+@.str.4776 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4777 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4778 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4779 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4780 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4781 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4782 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.4783 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4784 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4785 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4786 = private unnamed_addr constant [55 x i8] c"(...) turns a whole number into the enum, but this is \00"
+@.str.4787 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4788 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4789 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4790 = private unnamed_addr constant [38 x i8] c" is not the number of any variant of \00"
+@.str.4791 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4792 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4793 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
+@.str.4794 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4795 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4796 = private unnamed_addr constant [7 x i8] c"or i1 \00"
+@.str.4797 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4798 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
+@.str.4799 = private unnamed_addr constant [7 x i8] c", true\00"
+@.str.4800 = private unnamed_addr constant [33 x i8] c"this number is not a variant of \00"
+@.str.4801 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.4802 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.4803 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4804 = private unnamed_addr constant [9 x i8] c" zeroext\00"
+@.str.4805 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4806 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4807 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4808 = private unnamed_addr constant [9 x i8] c" signext\00"
+@.str.4809 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4810 = private unnamed_addr constant [9 x i8] c" zeroext\00"
+@.str.4811 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4812 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4813 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4814 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4815 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.4816 = private unnamed_addr constant [4 x i8] c"...\00"
+@.str.4817 = private unnamed_addr constant [18 x i8] c"C function from `\00"
+@.str.4818 = private unnamed_addr constant [8 x i8] c"`\0A```c\0A\00"
+@.str.4819 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4820 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4821 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4822 = private unnamed_addr constant [6 x i8] c")\0A```\00"
+@.str.4823 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4824 = private unnamed_addr constant [17 x i8] c"the C function '\00"
+@.str.4825 = private unnamed_addr constant [36 x i8] c"' can't be used from Finch yet: it \00"
+@.str.4826 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4827 = private unnamed_addr constant [18 x i8] c"' takes at least \00"
+@.str.4828 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
+@.str.4829 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4830 = private unnamed_addr constant [9 x i8] c"' takes \00"
+@.str.4831 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
+@.str.4832 = private unnamed_addr constant [8 x i8] c"returns\00"
+@.str.4833 = private unnamed_addr constant [6 x i8] c"takes\00"
+@.str.4834 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4835 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
+@.str.4836 = private unnamed_addr constant [11 x i8] c") align 16\00"
+@.str.4837 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
+@.str.4838 = private unnamed_addr constant [12 x i8] c") align 16 \00"
+@.str.4839 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4840 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4842 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4844 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4845 = private unnamed_addr constant [10 x i8] c"argument \00"
+@.str.4846 = private unnamed_addr constant [5 x i8] c" of \00"
+@.str.4847 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4848 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
+@.str.4849 = private unnamed_addr constant [9 x i8] c") align \00"
+@.str.4850 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4851 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4852 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4853 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.4854 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4855 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4856 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4857 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
+@.str.4858 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4859 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4860 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4861 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4862 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4863 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.4864 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4865 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4866 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4867 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4868 = private unnamed_addr constant [24 x i8] c"this gives back nothing\00"
+@.str.4869 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4870 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4871 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4872 = private unnamed_addr constant [69 x i8] c"structs and arrays can't be passed to the '...' part of a C function\00"
+@.str.4873 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4874 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4875 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4876 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4877 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4878 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4879 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.4880 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.4881 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4882 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4883 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4884 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4885 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4886 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4887 = private unnamed_addr constant [7 x i8] c"direct\00"
+@.str.4888 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4889 = private unnamed_addr constant [6 x i8] c", ...\00"
+@.str.4890 = private unnamed_addr constant [4 x i8] c"...\00"
+@.str.4891 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4892 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4893 = private unnamed_addr constant [3 x i8] c"f:\00"
 @.str.4894 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4895 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4896 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4897 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4898 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4899 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4900 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4901 = private unnamed_addr constant [35 x i8] c"call i32 @finch_try_read_file(ptr \00"
-@.str.4902 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4903 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4895 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4896 = private unnamed_addr constant [3 x i8] c"f:\00"
+@.str.4897 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4898 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.4899 = private unnamed_addr constant [8 x i8] c"declare\00"
+@.str.4900 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4901 = private unnamed_addr constant [3 x i8] c" @\00"
+@.str.4902 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4903 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.4904 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4905 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4906 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4907 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4908 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4909 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4910 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4911 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4912 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4913 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4915 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.4916 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4917 = private unnamed_addr constant [32 x i8] c"call void @finch_read_file(ptr \00"
-@.str.4918 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4919 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4920 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4921 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4922 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4923 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4924 = private unnamed_addr constant [11 x i8] c"write_file\00"
-@.str.4925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4926 = private unnamed_addr constant [14 x i8] c"the file name\00"
-@.str.4927 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4928 = private unnamed_addr constant [9 x i8] c"the text\00"
-@.str.4929 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4930 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4931 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4932 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4933 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4934 = private unnamed_addr constant [36 x i8] c"call i32 @finch_try_write_file(ptr \00"
-@.str.4935 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4936 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4937 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4938 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4939 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4940 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4941 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4942 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4944 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4945 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4946 = private unnamed_addr constant [32 x i8] c"call i32 @finch_write_file(ptr \00"
-@.str.4947 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4948 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4949 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.4950 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4951 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4952 = private unnamed_addr constant [12 x i8] c"delete_file\00"
-@.str.4953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4954 = private unnamed_addr constant [14 x i8] c"the file name\00"
-@.str.4955 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
-@.str.4956 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4957 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4958 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4959 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4960 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4961 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4962 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4963 = private unnamed_addr constant [37 x i8] c"call i32 @finch_try_delete_file(ptr \00"
-@.str.4964 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4965 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4966 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4967 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4968 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4969 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4970 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4972 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4973 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4974 = private unnamed_addr constant [33 x i8] c"call i32 @finch_delete_file(ptr \00"
-@.str.4975 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4976 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.4977 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4978 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4979 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.4905 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4906 = private unnamed_addr constant [3 x i8] c" (\00"
+@.str.4907 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4908 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4909 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.4910 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4911 = private unnamed_addr constant [3 x i8] c" @\00"
+@.str.4912 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4913 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4914 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4915 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4916 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4917 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4918 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4919 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4920 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.4921 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
+@.str.4922 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4923 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4924 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4925 = private unnamed_addr constant [7 x i8] c"printf\00"
+@.str.4926 = private unnamed_addr constant [7 x i8] c"fflush\00"
+@.str.4927 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.4928 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.4929 = private unnamed_addr constant [6 x i8] c"qsort\00"
+@.str.4930 = private unnamed_addr constant [7 x i8] c"printf\00"
+@.str.4931 = private unnamed_addr constant [5 x i8] c"puts\00"
+@.str.4932 = private unnamed_addr constant [8 x i8] c"putchar\00"
+@.str.4933 = private unnamed_addr constant [6 x i8] c"scanf\00"
+@.str.4934 = private unnamed_addr constant [6 x i8] c"fopen\00"
+@.str.4935 = private unnamed_addr constant [8 x i8] c"getchar\00"
+@.str.4936 = private unnamed_addr constant [5 x i8] c"sqrt\00"
+@.str.4937 = private unnamed_addr constant [4 x i8] c"pow\00"
+@.str.4938 = private unnamed_addr constant [4 x i8] c"sin\00"
+@.str.4939 = private unnamed_addr constant [4 x i8] c"cos\00"
+@.str.4940 = private unnamed_addr constant [6 x i8] c"floor\00"
+@.str.4941 = private unnamed_addr constant [5 x i8] c"fabs\00"
+@.str.4942 = private unnamed_addr constant [7 x i8] c"malloc\00"
+@.str.4943 = private unnamed_addr constant [5 x i8] c"rand\00"
+@.str.4944 = private unnamed_addr constant [6 x i8] c"srand\00"
+@.str.4945 = private unnamed_addr constant [4 x i8] c"abs\00"
+@.str.4946 = private unnamed_addr constant [5 x i8] c"atoi\00"
+@.str.4947 = private unnamed_addr constant [7 x i8] c"strlen\00"
+@.str.4948 = private unnamed_addr constant [7 x i8] c"strcpy\00"
+@.str.4949 = private unnamed_addr constant [7 x i8] c"memcpy\00"
+@.str.4950 = private unnamed_addr constant [5 x i8] c"time\00"
+@.str.4951 = private unnamed_addr constant [6 x i8] c"sleep\00"
+@.str.4952 = private unnamed_addr constant [7 x i8] c"usleep\00"
+@.str.4953 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4954 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4955 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4956 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4957 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4958 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4959 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4960 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4961 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4962 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4963 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4964 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4965 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4966 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4967 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4968 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4969 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4970 = private unnamed_addr constant [9 x i8] c"string.h\00"
+@.str.4971 = private unnamed_addr constant [9 x i8] c"string.h\00"
+@.str.4972 = private unnamed_addr constant [9 x i8] c"string.h\00"
+@.str.4973 = private unnamed_addr constant [7 x i8] c"time.h\00"
+@.str.4974 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
+@.str.4975 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
+@.str.4976 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4977 = private unnamed_addr constant [29 x i8] c" (it's from C: add  import \22\00"
+@.str.4978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4979 = private unnamed_addr constant [15 x i8] c"\22  at the top)\00"
 @.str.4980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4981 = private unnamed_addr constant [12 x i8] c"the command\00"
-@.str.4982 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
-@.str.4983 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4984 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4985 = private unnamed_addr constant [27 x i8] c"call i64 @finch_shell(ptr \00"
-@.str.4986 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4987 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4988 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.4989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4990 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4991 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4992 = private unnamed_addr constant [14 x i8] c"the exit code\00"
-@.str.4993 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.4994 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4995 = private unnamed_addr constant [27 x i8] c"call i32 @fflush(ptr null)\00"
-@.str.4996 = private unnamed_addr constant [21 x i8] c"call void @exit(i32 \00"
-@.str.4997 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4998 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4999 = private unnamed_addr constant [6 x i8] c"input\00"
-@.str.5000 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5001 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5002 = private unnamed_addr constant [13 x i8] c"the question\00"
-@.str.5003 = private unnamed_addr constant [28 x i8] c"call void @finch_input(ptr \00"
-@.str.5004 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5005 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5006 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4981 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.4982 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4983 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.4984 = private unnamed_addr constant [87 x i8] c"error(...) makes an error to return from a function that can fail: return error(\22...\22)\00"
+@.str.4985 = private unnamed_addr constant [6 x i8] c"print\00"
+@.str.4986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4987 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4988 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4989 = private unnamed_addr constant [54 x i8] c"this gives back nothing, so there is nothing to print\00"
+@.str.4990 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4991 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4992 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.4993 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4994 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4995 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.4996 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4997 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4998 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4999 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5000 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5001 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.5002 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.5003 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.5004 = private unnamed_addr constant [64 x i8] c"addr(...) needs a variable, a field or an element, like addr(x)\00"
+@.str.5005 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5006 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5007 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5008 = private unnamed_addr constant [4 x i8] c"new\00"
-@.str.5009 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5010 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
+@.str.5008 = private unnamed_addr constant [35 x i8] c"call void @finch_str_from_int(ptr \00"
+@.str.5009 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5010 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.5011 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5012 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.5013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5014 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5015 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5016 = private unnamed_addr constant [120 x i8] c"free(...) is only for pointers from new(...) or C; arrays, str and structs are freed by Finch at the end of their block\00"
-@.str.5017 = private unnamed_addr constant [21 x i8] c"call void @free(ptr \00"
-@.str.5018 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5019 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5020 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5021 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5022 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5023 = private unnamed_addr constant [48 x i8] c"' is not generic, so it takes no type arguments\00"
-@.str.5024 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5025 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5026 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5027 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5028 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5029 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5030 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5031 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5032 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5033 = private unnamed_addr constant [43 x i8] c"' is generic, so say which type it holds: \00"
-@.str.5034 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
-@.str.5035 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5036 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5012 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_uint(ptr \00"
+@.str.5013 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5014 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.5015 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5016 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_float(ptr \00"
+@.str.5017 = private unnamed_addr constant [10 x i8] c", double \00"
+@.str.5018 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.5019 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5020 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5021 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_char(ptr \00"
+@.str.5022 = private unnamed_addr constant [14 x i8] c", i8 signext \00"
+@.str.5023 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5024 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5025 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.5026 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5027 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_bool(ptr \00"
+@.str.5028 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.5029 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5030 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5031 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5032 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5033 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
+@.str.5034 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5035 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5036 = private unnamed_addr constant [6 x i8] c"array\00"
 @.str.5037 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5038 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5038 = private unnamed_addr constant [3 x i8] c"u8\00"
 @.str.5039 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5040 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.5041 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5042 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5043 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.5044 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5045 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5046 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5047 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5048 = private unnamed_addr constant [17 x i8] c"```finch\0Astruct \00"
-@.str.5049 = private unnamed_addr constant [4 x i8] c" { \00"
-@.str.5050 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5051 = private unnamed_addr constant [7 x i8] c" }\0A```\00"
-@.str.5052 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5053 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.5040 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5041 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5042 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5043 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_bytes(ptr \00"
+@.str.5044 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5045 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5046 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5047 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5048 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.5049 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.5050 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5051 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5052 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5053 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
 @.str.5054 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5056 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5057 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5058 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.5059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5060 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.5055 = private unnamed_addr constant [12 x i8] c"can't turn \00"
+@.str.5056 = private unnamed_addr constant [10 x i8] c" into str\00"
+@.str.5057 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5058 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5059 = private unnamed_addr constant [10 x i8] c"read_file\00"
+@.str.5060 = private unnamed_addr constant [12 x i8] c"file_exists\00"
 @.str.5061 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5062 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.5063 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5064 = private unnamed_addr constant [32 x i8] c"' is a variable, not a function\00"
-@.str.5065 = private unnamed_addr constant [29 x i8] c"there is no function named '\00"
-@.str.5066 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5067 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5068 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5062 = private unnamed_addr constant [14 x i8] c"the file name\00"
+@.str.5063 = private unnamed_addr constant [12 x i8] c"file_exists\00"
+@.str.5064 = private unnamed_addr constant [33 x i8] c"call i32 @finch_file_exists(ptr \00"
+@.str.5065 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5066 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5067 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5068 = private unnamed_addr constant [5 x i8] c"bool\00"
 @.str.5069 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5070 = private unnamed_addr constant [5 x i8] c"main\00"
-@.str.5071 = private unnamed_addr constant [53 x i8] c"main can't be called, it is where the program starts\00"
-@.str.5072 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.5073 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5074 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5075 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5076 = private unnamed_addr constant [11 x i8] c"argument '\00"
-@.str.5077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5078 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5079 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5080 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5081 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5070 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5071 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5072 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5073 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5074 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5075 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5076 = private unnamed_addr constant [35 x i8] c"call i32 @finch_try_read_file(ptr \00"
+@.str.5077 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5078 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5079 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5080 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.5081 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.5082 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5083 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.5084 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5085 = private unnamed_addr constant [40 x i8] c"' can fail, so say what happens then:  \00"
-@.str.5086 = private unnamed_addr constant [20 x i8] c"(...) or <value>,  \00"
-@.str.5087 = private unnamed_addr constant [28 x i8] c"(...) or { ... },  or  try \00"
-@.str.5088 = private unnamed_addr constant [6 x i8] c"(...)\00"
-@.str.5089 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.5090 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5091 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.5092 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5093 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5094 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.5095 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5096 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5097 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
-@.str.5098 = private unnamed_addr constant [7 x i8] c", true\00"
-@.str.5099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5100 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.5101 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.5102 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5103 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.5083 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5084 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5086 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5087 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5088 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5090 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.5091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5092 = private unnamed_addr constant [32 x i8] c"call void @finch_read_file(ptr \00"
+@.str.5093 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5094 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5095 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5096 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5097 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5098 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5099 = private unnamed_addr constant [11 x i8] c"write_file\00"
+@.str.5100 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5101 = private unnamed_addr constant [14 x i8] c"the file name\00"
+@.str.5102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5103 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.5104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5105 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.5106 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5107 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.5108 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5109 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5110 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5111 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5112 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.5113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5115 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5116 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5105 = private unnamed_addr constant [9 x i8] c"the text\00"
+@.str.5106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5107 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5108 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5109 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5110 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5111 = private unnamed_addr constant [36 x i8] c"call i32 @finch_try_write_file(ptr \00"
+@.str.5112 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5113 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5114 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5115 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.5116 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.5117 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5118 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5119 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5118 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5119 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
 @.str.5120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5122 = private unnamed_addr constant [70 x i8] c"give either all fields by name (x: 1, y: 2) or none (1, 2), not a mix\00"
-@.str.5123 = private unnamed_addr constant [6 x i8] c" has \00"
-@.str.5124 = private unnamed_addr constant [18 x i8] c" fields, but got \00"
-@.str.5125 = private unnamed_addr constant [24 x i8] c" values (or name them: \00"
-@.str.5126 = private unnamed_addr constant [16 x i8] c"(field: value))\00"
-@.str.5127 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5128 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5130 = private unnamed_addr constant [16 x i8] c" has no field '\00"
-@.str.5131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5132 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5134 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5135 = private unnamed_addr constant [12 x i8] c"the field '\00"
-@.str.5136 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5137 = private unnamed_addr constant [17 x i8] c"' is given twice\00"
-@.str.5138 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5121 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5122 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5123 = private unnamed_addr constant [32 x i8] c"call i32 @finch_write_file(ptr \00"
+@.str.5124 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5125 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5126 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5127 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5128 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5129 = private unnamed_addr constant [12 x i8] c"delete_file\00"
+@.str.5130 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5131 = private unnamed_addr constant [14 x i8] c"the file name\00"
+@.str.5132 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
+@.str.5133 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5134 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5136 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5137 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5138 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
 @.str.5139 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.5140 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5141 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5142 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5143 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5144 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5140 = private unnamed_addr constant [37 x i8] c"call i32 @finch_try_delete_file(ptr \00"
+@.str.5141 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5142 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5143 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.5144 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.5145 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5146 = private unnamed_addr constant [12 x i8] c"the field '\00"
-@.str.5147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5148 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5149 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5150 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5151 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.5152 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5153 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5155 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.5156 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5157 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.5158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5159 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.5160 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5161 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.5162 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5163 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.5164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5165 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5167 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5146 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5147 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5148 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5149 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5150 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5151 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5152 = private unnamed_addr constant [33 x i8] c"call i32 @finch_delete_file(ptr \00"
+@.str.5153 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5154 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5155 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5156 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5157 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5158 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.5159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5160 = private unnamed_addr constant [12 x i8] c"the command\00"
+@.str.5161 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
+@.str.5162 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5163 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5164 = private unnamed_addr constant [27 x i8] c"call i64 @finch_shell(ptr \00"
+@.str.5165 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5166 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5167 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5168 = private unnamed_addr constant [5 x i8] c"exit\00"
 @.str.5169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5170 = private unnamed_addr constant [17 x i8] c"the default of '\00"
+@.str.5170 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.5171 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5172 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5173 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5174 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5175 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5176 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.5177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5178 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.5179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5180 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.5181 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.5182 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5183 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5184 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5185 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5186 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5187 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5188 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.5189 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5190 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5191 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.5192 = private unnamed_addr constant [39 x i8] c"there is no variable or module named '\00"
-@.str.5193 = private unnamed_addr constant [33 x i8] c"' (to use a module, add  import \00"
-@.str.5194 = private unnamed_addr constant [14 x i8] c"  at the top)\00"
-@.str.5195 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5196 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5197 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5198 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5199 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5201 = private unnamed_addr constant [13 x i8] c"the module '\00"
-@.str.5202 = private unnamed_addr constant [36 x i8] c"' has no function or struct named '\00"
-@.str.5203 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5204 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.5205 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.5206 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.5207 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5208 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5209 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.5210 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.5211 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.5212 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.5213 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5214 = private unnamed_addr constant [64 x i8] c"() would change a temporary array; store it in a variable first\00"
-@.str.5215 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5216 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5217 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.5218 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5219 = private unnamed_addr constant [62 x i8] c"() would change a temporary map; store it in a variable first\00"
-@.str.5220 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5221 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5222 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5223 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5224 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5225 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.5226 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.5227 = private unnamed_addr constant [9 x i8] c"called .\00"
-@.str.5228 = private unnamed_addr constant [21 x i8] c"() on a null pointer\00"
-@.str.5229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5230 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5231 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5232 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5233 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5234 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5236 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.5237 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5172 = private unnamed_addr constant [14 x i8] c"the exit code\00"
+@.str.5173 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.5174 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5175 = private unnamed_addr constant [27 x i8] c"call i32 @fflush(ptr null)\00"
+@.str.5176 = private unnamed_addr constant [21 x i8] c"call void @exit(i32 \00"
+@.str.5177 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5178 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5179 = private unnamed_addr constant [6 x i8] c"input\00"
+@.str.5180 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5182 = private unnamed_addr constant [13 x i8] c"the question\00"
+@.str.5183 = private unnamed_addr constant [28 x i8] c"call void @finch_input(ptr \00"
+@.str.5184 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5185 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5186 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5187 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5188 = private unnamed_addr constant [4 x i8] c"new\00"
+@.str.5189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5190 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
+@.str.5191 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5192 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.5193 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5194 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5196 = private unnamed_addr constant [120 x i8] c"free(...) is only for pointers from new(...) or C; arrays, str and structs are freed by Finch at the end of their block\00"
+@.str.5197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5198 = private unnamed_addr constant [10 x i8] c"free.drop\00"
+@.str.5199 = private unnamed_addr constant [10 x i8] c"free.done\00"
+@.str.5200 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.5201 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.5202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5203 = private unnamed_addr constant [21 x i8] c"call void @free(ptr \00"
+@.str.5204 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5205 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5206 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5207 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5208 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5209 = private unnamed_addr constant [48 x i8] c"' is not generic, so it takes no type arguments\00"
+@.str.5210 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5211 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5213 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5214 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5216 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5217 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5218 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5219 = private unnamed_addr constant [43 x i8] c"' is generic, so say which type it holds: \00"
+@.str.5220 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
+@.str.5221 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5222 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5223 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5224 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5225 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5226 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5229 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5231 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5232 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5234 = private unnamed_addr constant [17 x i8] c"```finch\0Astruct \00"
+@.str.5235 = private unnamed_addr constant [4 x i8] c" { \00"
+@.str.5236 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5237 = private unnamed_addr constant [7 x i8] c" }\0A```\00"
 @.str.5238 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5239 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5239 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.5240 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5241 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5242 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5242 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.5243 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5244 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5245 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5246 = private unnamed_addr constant [5 x i8] c"the \00"
-@.str.5247 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5248 = private unnamed_addr constant [35 x i8] c" has no methods; add one with  fn \00"
-@.str.5249 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5250 = private unnamed_addr constant [14 x i8] c"(...) { ... }\00"
-@.str.5251 = private unnamed_addr constant [5 x i8] c"the \00"
-@.str.5252 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5253 = private unnamed_addr constant [17 x i8] c" has no method '\00"
-@.str.5254 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
-@.str.5255 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5256 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5257 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5258 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5244 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.5245 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5246 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.5247 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5248 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.5249 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5250 = private unnamed_addr constant [32 x i8] c"' is a variable, not a function\00"
+@.str.5251 = private unnamed_addr constant [29 x i8] c"there is no function named '\00"
+@.str.5252 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5253 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5254 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5255 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5256 = private unnamed_addr constant [5 x i8] c"main\00"
+@.str.5257 = private unnamed_addr constant [53 x i8] c"main can't be called, it is where the program starts\00"
+@.str.5258 = private unnamed_addr constant [5 x i8] c"ptr \00"
 @.str.5259 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5260 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5261 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5262 = private unnamed_addr constant [29 x i8] c"() would change a temporary \00"
-@.str.5263 = private unnamed_addr constant [31 x i8] c"; store it in a variable first\00"
-@.str.5264 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
-@.str.5265 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
-@.str.5266 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5267 = private unnamed_addr constant [16 x i8] c" has no methods\00"
+@.str.5260 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5261 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5262 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5263 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5264 = private unnamed_addr constant [11 x i8] c"argument '\00"
+@.str.5265 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5266 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5267 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5268 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5269 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
-@.str.5270 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.5271 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.5272 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5273 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5274 = private unnamed_addr constant [12 x i8] c"the element\00"
-@.str.5275 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5276 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.5277 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5278 = private unnamed_addr constant [34 x i8] c"call void @finch_arr_reserve(ptr \00"
-@.str.5279 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5280 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5269 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5270 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5271 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5272 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5273 = private unnamed_addr constant [40 x i8] c"' can fail, so say what happens then:  \00"
+@.str.5274 = private unnamed_addr constant [20 x i8] c"(...) or <value>,  \00"
+@.str.5275 = private unnamed_addr constant [28 x i8] c"(...) or { ... },  or  try \00"
+@.str.5276 = private unnamed_addr constant [6 x i8] c"(...)\00"
+@.str.5277 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.5278 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5279 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.5280 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.5281 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5282 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5283 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5284 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5285 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5286 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5287 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5288 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.5289 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5290 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
-@.str.5291 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5292 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.5293 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5294 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5295 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5296 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5297 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5298 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5299 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5300 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5301 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5302 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.5303 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5304 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5305 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5306 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5282 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.5283 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5284 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5285 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
+@.str.5286 = private unnamed_addr constant [7 x i8] c", true\00"
+@.str.5287 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5288 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5289 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.5290 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5291 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.5292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5293 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5294 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5295 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.5296 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5297 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5298 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5300 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5302 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5303 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5304 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5305 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5306 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.5307 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5308 = private unnamed_addr constant [22 x i8] c"the value to look for\00"
-@.str.5309 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5310 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5311 = private unnamed_addr constant [3 x i8] c"-1\00"
-@.str.5312 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5313 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5314 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5315 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5316 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.5317 = private unnamed_addr constant [10 x i8] c"find.cond\00"
-@.str.5318 = private unnamed_addr constant [10 x i8] c"find.body\00"
-@.str.5319 = private unnamed_addr constant [9 x i8] c"find.hit\00"
-@.str.5320 = private unnamed_addr constant [10 x i8] c"find.next\00"
-@.str.5321 = private unnamed_addr constant [9 x i8] c"find.end\00"
-@.str.5322 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5323 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.5324 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5325 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5326 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5327 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5328 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.5329 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5330 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5331 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.5332 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5333 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5334 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5335 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5336 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
-@.str.5337 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5338 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5339 = private unnamed_addr constant [5 x i8] c"join\00"
-@.str.5340 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5341 = private unnamed_addr constant [32 x i8] c"join() works on an array of str\00"
+@.str.5308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5309 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5310 = private unnamed_addr constant [70 x i8] c"give either all fields by name (x: 1, y: 2) or none (1, 2), not a mix\00"
+@.str.5311 = private unnamed_addr constant [6 x i8] c" has \00"
+@.str.5312 = private unnamed_addr constant [18 x i8] c" fields, but got \00"
+@.str.5313 = private unnamed_addr constant [24 x i8] c" values (or name them: \00"
+@.str.5314 = private unnamed_addr constant [16 x i8] c"(field: value))\00"
+@.str.5315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5317 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5318 = private unnamed_addr constant [16 x i8] c" has no field '\00"
+@.str.5319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5320 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5322 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5323 = private unnamed_addr constant [12 x i8] c"the field '\00"
+@.str.5324 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5325 = private unnamed_addr constant [17 x i8] c"' is given twice\00"
+@.str.5326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5327 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5328 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5329 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5330 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5332 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5333 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5334 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5336 = private unnamed_addr constant [12 x i8] c"the field '\00"
+@.str.5337 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5338 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5339 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5341 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.5342 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5343 = private unnamed_addr constant [14 x i8] c"the separator\00"
-@.str.5344 = private unnamed_addr constant [31 x i8] c"call void @finch_str_join(ptr \00"
-@.str.5345 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5346 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5347 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5348 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5349 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5350 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.5351 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5352 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5353 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5354 = private unnamed_addr constant [13 x i8] c"the position\00"
-@.str.5355 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5343 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5344 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5345 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.5346 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5347 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.5348 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5349 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.5350 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5351 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.5352 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5353 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.5354 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5355 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.5356 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5357 = private unnamed_addr constant [12 x i8] c"the element\00"
+@.str.5357 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5359 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.5360 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5361 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_insert_gap(ptr \00"
-@.str.5362 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5363 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5364 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5365 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5366 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5367 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5368 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5369 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5370 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5371 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5372 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5374 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5375 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5376 = private unnamed_addr constant [13 x i8] c"the position\00"
-@.str.5377 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5378 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5379 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5380 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5381 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5382 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_remove_gap(ptr \00"
-@.str.5383 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5384 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5385 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5386 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.5387 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5388 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5389 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5390 = private unnamed_addr constant [15 x i8] c"the new length\00"
-@.str.5391 = private unnamed_addr constant [33 x i8] c"call void @finch_arr_resize(ptr \00"
-@.str.5392 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5393 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5394 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5395 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5396 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.5397 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5398 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5399 = private unnamed_addr constant [10 x i8] c"sdiv i64 \00"
-@.str.5400 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.5401 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5402 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5403 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5405 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5406 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5407 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5408 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5409 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5410 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5411 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5412 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5413 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5414 = private unnamed_addr constant [6 x i8] c"slice\00"
-@.str.5415 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5416 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5417 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5418 = private unnamed_addr constant [10 x i8] c"the start\00"
-@.str.5419 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5420 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5360 = private unnamed_addr constant [17 x i8] c"the default of '\00"
+@.str.5361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5362 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5363 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5364 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5365 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5366 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.5367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5368 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.5369 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5370 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.5371 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.5372 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5373 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5374 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5375 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5377 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5378 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5379 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5381 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.5382 = private unnamed_addr constant [39 x i8] c"there is no variable or module named '\00"
+@.str.5383 = private unnamed_addr constant [33 x i8] c"' (to use a module, add  import \00"
+@.str.5384 = private unnamed_addr constant [14 x i8] c"  at the top)\00"
+@.str.5385 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5386 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5387 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5388 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5389 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5390 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5391 = private unnamed_addr constant [13 x i8] c"the module '\00"
+@.str.5392 = private unnamed_addr constant [36 x i8] c"' has no function or struct named '\00"
+@.str.5393 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5394 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.5395 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.5396 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.5397 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.5398 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.5399 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.5400 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.5401 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.5402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5403 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5404 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.5405 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5406 = private unnamed_addr constant [64 x i8] c"() would change a temporary array; store it in a variable first\00"
+@.str.5407 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5408 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5409 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.5410 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5411 = private unnamed_addr constant [62 x i8] c"() would change a temporary map; store it in a variable first\00"
+@.str.5412 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5413 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5414 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5415 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5416 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5417 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.5418 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.5419 = private unnamed_addr constant [9 x i8] c"called .\00"
+@.str.5420 = private unnamed_addr constant [21 x i8] c"() on a null pointer\00"
 @.str.5421 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5422 = private unnamed_addr constant [8 x i8] c"the end\00"
-@.str.5423 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5424 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.5425 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5426 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
-@.str.5427 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5428 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
-@.str.5429 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5430 = private unnamed_addr constant [7 x i8] c"or i1 \00"
-@.str.5431 = private unnamed_addr constant [7 x i8] c"or i1 \00"
-@.str.5432 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5433 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5434 = private unnamed_addr constant [34 x i8] c"slice(start, end) is out of range\00"
-@.str.5435 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5436 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5437 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5438 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
-@.str.5439 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5440 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5441 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5442 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5443 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5444 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5445 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5446 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5447 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5448 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5449 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5450 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5451 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.5452 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5453 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5454 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5455 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.5456 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.5457 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5458 = private unnamed_addr constant [48 x i8] c"sort() works on arrays of numbers, chars or str\00"
-@.str.5459 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5460 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5461 = private unnamed_addr constant [22 x i8] c"call void @qsort(ptr \00"
-@.str.5462 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5463 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5464 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5465 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5466 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5467 = private unnamed_addr constant [25 x i8] c"an array has no method '\00"
-@.str.5468 = private unnamed_addr constant [97 x i8] c"' (it has: push, pop, insert, remove, clear, resize, find, contains, join, slice, reverse, sort)\00"
-@.str.5469 = private unnamed_addr constant [12 x i8] c"@finch.cmp.\00"
-@.str.5470 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5471 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.5472 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5473 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.5474 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5475 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5476 = private unnamed_addr constant [40 x i8] c"call i64 @finch_str_cmp(ptr %x, ptr %y)\00"
-@.str.5477 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.5478 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.5479 = private unnamed_addr constant [3 x i8] c"%x\00"
-@.str.5480 = private unnamed_addr constant [3 x i8] c"%y\00"
-@.str.5481 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5482 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5483 = private unnamed_addr constant [10 x i8] c"fcmp olt \00"
-@.str.5484 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5485 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5486 = private unnamed_addr constant [10 x i8] c"fcmp ogt \00"
-@.str.5487 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5488 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5489 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.5490 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.5491 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5492 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5493 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5494 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.5495 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.5496 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5497 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5498 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5499 = private unnamed_addr constant [9 x i8] c"sub i32 \00"
-@.str.5500 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.5501 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.5502 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5503 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.5504 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.5505 = private unnamed_addr constant [9 x i8] c"ret i32 \00"
-@.str.5506 = private unnamed_addr constant [21 x i8] c"define internal i32 \00"
-@.str.5507 = private unnamed_addr constant [17 x i8] c"(ptr %x, ptr %y)\00"
-@.str.5508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5509 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.5510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5511 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.5512 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5513 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5514 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5515 = private unnamed_addr constant [10 x i8] c"the start\00"
-@.str.5516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5517 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5519 = private unnamed_addr constant [8 x i8] c"the end\00"
-@.str.5520 = private unnamed_addr constant [30 x i8] c"call void @finch_str_sub(ptr \00"
-@.str.5521 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5522 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5523 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5524 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5525 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5526 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5527 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5528 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5529 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5530 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5531 = private unnamed_addr constant [12 x i8] c"starts_with\00"
-@.str.5532 = private unnamed_addr constant [10 x i8] c"ends_with\00"
-@.str.5533 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5534 = private unnamed_addr constant [21 x i8] c"the text to look for\00"
-@.str.5535 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5536 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
-@.str.5537 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5538 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5539 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5540 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5541 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
-@.str.5542 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5543 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5544 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
-@.str.5545 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5546 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5547 = private unnamed_addr constant [18 x i8] c"@finch_str_starts\00"
-@.str.5548 = private unnamed_addr constant [10 x i8] c"ends_with\00"
-@.str.5549 = private unnamed_addr constant [16 x i8] c"@finch_str_ends\00"
-@.str.5550 = private unnamed_addr constant [10 x i8] c"call i32 \00"
-@.str.5551 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.5552 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5553 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5554 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.5555 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5556 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5557 = private unnamed_addr constant [5 x i8] c"trim\00"
-@.str.5558 = private unnamed_addr constant [6 x i8] c"upper\00"
-@.str.5559 = private unnamed_addr constant [6 x i8] c"lower\00"
-@.str.5560 = private unnamed_addr constant [22 x i8] c"call void @finch_str_\00"
-@.str.5561 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.5422 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5423 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5424 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5425 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5426 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5427 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5428 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5431 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5434 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5436 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5437 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5438 = private unnamed_addr constant [5 x i8] c"the \00"
+@.str.5439 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5440 = private unnamed_addr constant [35 x i8] c" has no methods; add one with  fn \00"
+@.str.5441 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5442 = private unnamed_addr constant [14 x i8] c"(...) { ... }\00"
+@.str.5443 = private unnamed_addr constant [5 x i8] c"the \00"
+@.str.5444 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5445 = private unnamed_addr constant [17 x i8] c" has no method '\00"
+@.str.5446 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
+@.str.5447 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5448 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5449 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5450 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5451 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5452 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5453 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5454 = private unnamed_addr constant [29 x i8] c"() would change a temporary \00"
+@.str.5455 = private unnamed_addr constant [31 x i8] c"; store it in a variable first\00"
+@.str.5456 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
+@.str.5457 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
+@.str.5458 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5459 = private unnamed_addr constant [16 x i8] c" has no methods\00"
+@.str.5460 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5461 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
+@.str.5462 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.5463 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.5464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5466 = private unnamed_addr constant [12 x i8] c"the element\00"
+@.str.5467 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5468 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5469 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5470 = private unnamed_addr constant [34 x i8] c"call void @finch_arr_reserve(ptr \00"
+@.str.5471 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5472 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5473 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5474 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5475 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5476 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5477 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5478 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5479 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5480 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.5481 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5482 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
+@.str.5483 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5484 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.5485 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5486 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5487 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5488 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5489 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5490 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5491 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5492 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.5493 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.5494 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5495 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.5496 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5497 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5498 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.5499 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5501 = private unnamed_addr constant [22 x i8] c"the value to look for\00"
+@.str.5502 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5503 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5504 = private unnamed_addr constant [3 x i8] c"-1\00"
+@.str.5505 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5506 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5507 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5508 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5509 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.5510 = private unnamed_addr constant [10 x i8] c"find.cond\00"
+@.str.5511 = private unnamed_addr constant [10 x i8] c"find.body\00"
+@.str.5512 = private unnamed_addr constant [9 x i8] c"find.hit\00"
+@.str.5513 = private unnamed_addr constant [10 x i8] c"find.next\00"
+@.str.5514 = private unnamed_addr constant [9 x i8] c"find.end\00"
+@.str.5515 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5516 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5517 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5518 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5519 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5520 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5521 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.5522 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5523 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5524 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5525 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5526 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5527 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5528 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5529 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
+@.str.5530 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5531 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5532 = private unnamed_addr constant [5 x i8] c"join\00"
+@.str.5533 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5534 = private unnamed_addr constant [32 x i8] c"join() works on an array of str\00"
+@.str.5535 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5536 = private unnamed_addr constant [14 x i8] c"the separator\00"
+@.str.5537 = private unnamed_addr constant [31 x i8] c"call void @finch_str_join(ptr \00"
+@.str.5538 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5539 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5540 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5541 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5542 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5543 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.5544 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5545 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5546 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5547 = private unnamed_addr constant [13 x i8] c"the position\00"
+@.str.5548 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5549 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5550 = private unnamed_addr constant [12 x i8] c"the element\00"
+@.str.5551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5552 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.5553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5554 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_insert_gap(ptr \00"
+@.str.5555 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5556 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5557 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5558 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5559 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5560 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5561 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
 @.str.5562 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5563 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5564 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5565 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5566 = private unnamed_addr constant [8 x i8] c"replace\00"
-@.str.5567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5568 = private unnamed_addr constant [20 x i8] c"the text to replace\00"
-@.str.5569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5570 = private unnamed_addr constant [13 x i8] c"the new text\00"
-@.str.5571 = private unnamed_addr constant [34 x i8] c"call void @finch_str_replace(ptr \00"
-@.str.5572 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5563 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5564 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5565 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.5566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5567 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5568 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5569 = private unnamed_addr constant [13 x i8] c"the position\00"
+@.str.5570 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5571 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5572 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
 @.str.5573 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5574 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5575 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5576 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5577 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5578 = private unnamed_addr constant [6 x i8] c"split\00"
-@.str.5579 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5580 = private unnamed_addr constant [14 x i8] c"the separator\00"
-@.str.5581 = private unnamed_addr constant [32 x i8] c"call void @finch_str_split(ptr \00"
-@.str.5582 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5583 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5584 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5585 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5586 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5587 = private unnamed_addr constant [7 x i8] c"repeat\00"
-@.str.5588 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5589 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5590 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5591 = private unnamed_addr constant [10 x i8] c"the count\00"
-@.str.5592 = private unnamed_addr constant [33 x i8] c"call void @finch_str_repeat(ptr \00"
-@.str.5593 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5594 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5595 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5596 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5597 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5598 = private unnamed_addr constant [6 x i8] c"bytes\00"
-@.str.5599 = private unnamed_addr constant [37 x i8] c"call void @finch_bytes_from_str(ptr \00"
-@.str.5600 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5601 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5602 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5603 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.5604 = private unnamed_addr constant [22 x i8] c"a str has no method '\00"
-@.str.5605 = private unnamed_addr constant [107 x i8] c"' (it has: sub, find, contains, starts_with, ends_with, split, trim, upper, lower, replace, repeat, bytes)\00"
-@.str.5606 = private unnamed_addr constant [55 x i8] c"declare void @finch_panic(ptr, i64, ptr) noreturn cold\00"
-@.str.5607 = private unnamed_addr constant [66 x i8] c"declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold\00"
-@.str.5608 = private unnamed_addr constant [30 x i8] c"declare ptr @finch_alloc(i64)\00"
-@.str.5609 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_copy(ptr, ptr)\00"
-@.str.5610 = private unnamed_addr constant [33 x i8] c"declare void @finch_str_own(ptr)\00"
-@.str.5611 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_concat(ptr, ptr, ptr)\00"
-@.str.5612 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_str_eq(ptr, ptr)\00"
-@.str.5613 = private unnamed_addr constant [37 x i8] c"declare i64 @finch_str_cmp(ptr, ptr)\00"
-@.str.5614 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_add(ptr, ptr, i64)\00"
-@.str.5615 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_int(ptr, i64)\00"
-@.str.5616 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_uint(ptr, i64)\00"
-@.str.5617 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_float(ptr, double)\00"
-@.str.5618 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_bool(ptr, i32)\00"
-@.str.5619 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_ptr(ptr, ptr)\00"
-@.str.5620 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_char(ptr, i8, i32)\00"
-@.str.5621 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_str(ptr, ptr, i32)\00"
-@.str.5622 = private unnamed_addr constant [35 x i8] c"declare void @finch_buf_print(ptr)\00"
-@.str.5623 = private unnamed_addr constant [43 x i8] c"declare void @finch_str_from_int(ptr, i64)\00"
-@.str.5624 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_uint(ptr, i64)\00"
-@.str.5625 = private unnamed_addr constant [48 x i8] c"declare void @finch_str_from_float(ptr, double)\00"
-@.str.5626 = private unnamed_addr constant [51 x i8] c"declare void @finch_str_from_char(ptr, i8 signext)\00"
-@.str.5627 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_bool(ptr, i32)\00"
-@.str.5628 = private unnamed_addr constant [45 x i8] c"declare i64 @finch_str_to_int(ptr, ptr, i64)\00"
-@.str.5629 = private unnamed_addr constant [50 x i8] c"declare double @finch_str_to_float(ptr, ptr, i64)\00"
-@.str.5630 = private unnamed_addr constant [58 x i8] c"declare void @finch_str_sub(ptr, ptr, i64, i64, ptr, i64)\00"
-@.str.5631 = private unnamed_addr constant [38 x i8] c"declare i64 @finch_str_find(ptr, ptr)\00"
-@.str.5632 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_str_starts(ptr, ptr)\00"
-@.str.5633 = private unnamed_addr constant [38 x i8] c"declare i32 @finch_str_ends(ptr, ptr)\00"
-@.str.5634 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_trim(ptr, ptr)\00"
-@.str.5635 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_upper(ptr, ptr)\00"
-@.str.5636 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_lower(ptr, ptr)\00"
-@.str.5637 = private unnamed_addr constant [52 x i8] c"declare void @finch_str_replace(ptr, ptr, ptr, ptr)\00"
-@.str.5638 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_split(ptr, ptr, ptr)\00"
-@.str.5639 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_join(ptr, ptr, ptr)\00"
-@.str.5640 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_repeat(ptr, ptr, i64)\00"
-@.str.5641 = private unnamed_addr constant [45 x i8] c"declare void @finch_bytes_from_str(ptr, ptr)\00"
-@.str.5642 = private unnamed_addr constant [53 x i8] c"declare i64 @finch_map_find(ptr, ptr, i64, i64, i32)\00"
-@.str.5643 = private unnamed_addr constant [58 x i8] c"declare i64 @finch_map_slot(ptr, ptr, i64, i64, i32, ptr)\00"
-@.str.5644 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_remove_at(ptr, i64, i64)\00"
-@.str.5645 = private unnamed_addr constant [35 x i8] c"declare void @finch_map_clear(ptr)\00"
-@.str.5646 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_clone_raw(ptr, ptr, i64)\00"
-@.str.5647 = private unnamed_addr constant [61 x i8] c"declare void @finch_map_missing(ptr, i64, ptr) noreturn cold\00"
-@.str.5648 = private unnamed_addr constant [56 x i8] c"declare void @finch_map_changed(ptr, i64) noreturn cold\00"
-@.str.5649 = private unnamed_addr constant [47 x i8] c"declare void @finch_arr_reserve(ptr, i64, i64)\00"
-@.str.5650 = private unnamed_addr constant [49 x i8] c"declare void @finch_arr_clone_raw(ptr, ptr, i64)\00"
-@.str.5651 = private unnamed_addr constant [44 x i8] c"declare void @finch_arr_make(ptr, i64, i64)\00"
-@.str.5652 = private unnamed_addr constant [46 x i8] c"declare void @finch_arr_resize(ptr, i64, i64)\00"
-@.str.5653 = private unnamed_addr constant [60 x i8] c"declare void @finch_arr_insert_gap(ptr, i64, i64, ptr, i64)\00"
-@.str.5654 = private unnamed_addr constant [50 x i8] c"declare void @finch_arr_remove_gap(ptr, i64, i64)\00"
-@.str.5655 = private unnamed_addr constant [40 x i8] c"declare void @qsort(ptr, i64, i64, ptr)\00"
-@.str.5656 = private unnamed_addr constant [40 x i8] c"declare void @finch_args(ptr, i32, ptr)\00"
-@.str.5657 = private unnamed_addr constant [36 x i8] c"declare void @finch_input(ptr, ptr)\00"
-@.str.5658 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_file_exists(ptr)\00"
-@.str.5659 = private unnamed_addr constant [46 x i8] c"declare i32 @finch_str_try_int(ptr, ptr, ptr)\00"
-@.str.5660 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_str_try_float(ptr, ptr, ptr)\00"
-@.str.5661 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_try_read_file(ptr, ptr, ptr)\00"
-@.str.5662 = private unnamed_addr constant [49 x i8] c"declare i32 @finch_try_write_file(ptr, ptr, ptr)\00"
-@.str.5663 = private unnamed_addr constant [45 x i8] c"declare i32 @finch_try_delete_file(ptr, ptr)\00"
-@.str.5664 = private unnamed_addr constant [38 x i8] c"declare void @finch_report_error(ptr)\00"
-@.str.5665 = private unnamed_addr constant [50 x i8] c"declare void @finch_read_file(ptr, ptr, ptr, i64)\00"
-@.str.5666 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_write_file(ptr, ptr)\00"
-@.str.5667 = private unnamed_addr constant [30 x i8] c"declare i64 @finch_shell(ptr)\00"
-@.str.5668 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_delete_file(ptr)\00"
-@.str.5669 = private unnamed_addr constant [30 x i8] c"declare i32 @printf(ptr, ...)\00"
-@.str.5670 = private unnamed_addr constant [25 x i8] c"declare i32 @fflush(ptr)\00"
-@.str.5671 = private unnamed_addr constant [41 x i8] c"declare void @finch_str_from_c(ptr, ptr)\00"
-@.str.5672 = private unnamed_addr constant [34 x i8] c"declare void @finch_on_fatal(ptr)\00"
-@.str.5673 = private unnamed_addr constant [35 x i8] c"declare ptr @finch_std_stream(i32)\00"
-@.str.5674 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_from_bytes(ptr, ptr)\00"
-@.str.5675 = private unnamed_addr constant [33 x i8] c"declare void @exit(i32) noreturn\00"
-@.str.5676 = private unnamed_addr constant [24 x i8] c"declare void @free(ptr)\00"
-@.str.5677 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5678 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5679 = private unnamed_addr constant [53 x i8] c"; generated by the Finch compiler written in Finch\0A\0A\00"
-@.str.5680 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5681 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.5682 = private unnamed_addr constant [18 x i8] c"target triple = \22\00"
+@.str.5574 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5575 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_remove_gap(ptr \00"
+@.str.5576 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5577 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5578 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5579 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.5580 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5581 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5582 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5583 = private unnamed_addr constant [15 x i8] c"the new length\00"
+@.str.5584 = private unnamed_addr constant [33 x i8] c"call void @finch_arr_resize(ptr \00"
+@.str.5585 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5586 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5587 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5588 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5589 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.5590 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5591 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5592 = private unnamed_addr constant [10 x i8] c"sdiv i64 \00"
+@.str.5593 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.5594 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5595 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5596 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5598 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5599 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5600 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5601 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5602 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5603 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5604 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5605 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5606 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5607 = private unnamed_addr constant [6 x i8] c"slice\00"
+@.str.5608 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5609 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5610 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5611 = private unnamed_addr constant [10 x i8] c"the start\00"
+@.str.5612 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5613 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5614 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5615 = private unnamed_addr constant [8 x i8] c"the end\00"
+@.str.5616 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5617 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5618 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5619 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
+@.str.5620 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5621 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
+@.str.5622 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5623 = private unnamed_addr constant [7 x i8] c"or i1 \00"
+@.str.5624 = private unnamed_addr constant [7 x i8] c"or i1 \00"
+@.str.5625 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5626 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5627 = private unnamed_addr constant [34 x i8] c"slice(start, end) is out of range\00"
+@.str.5628 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5629 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5630 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5631 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
+@.str.5632 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5633 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5634 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5635 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5636 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5637 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5638 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5639 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5640 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5641 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5642 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5643 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5644 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5645 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5646 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5647 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5648 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.5649 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5650 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5651 = private unnamed_addr constant [48 x i8] c"sort() works on arrays of numbers, chars or str\00"
+@.str.5652 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5653 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5654 = private unnamed_addr constant [22 x i8] c"call void @qsort(ptr \00"
+@.str.5655 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5656 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5657 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5658 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5659 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5660 = private unnamed_addr constant [25 x i8] c"an array has no method '\00"
+@.str.5661 = private unnamed_addr constant [97 x i8] c"' (it has: push, pop, insert, remove, clear, resize, find, contains, join, slice, reverse, sort)\00"
+@.str.5662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5663 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5664 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
+@.str.5665 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.5666 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5667 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5668 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5669 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5670 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5671 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.5672 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5673 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.5674 = private unnamed_addr constant [14 x i8] c", i64 0, i64 \00"
+@.str.5675 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5676 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5677 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5678 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5679 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5680 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5681 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5682 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.5683 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5684 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.5685 = private unnamed_addr constant [4 x i8] c"\22\0A\0A\00"
-@.str.5686 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5687 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.5688 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5689 = private unnamed_addr constant [3 x i8] c"\0A\0A\00"
-@.str.5690 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5691 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5692 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.5693 = private unnamed_addr constant [63 x i8] c"declare void @llvm.dbg.declare(metadata, metadata, metadata)\0A\0A\00"
-@.str.5694 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5695 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.5696 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5697 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5698 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.5699 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5700 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5701 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.5702 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5703 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.5704 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5705 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5706 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.5707 = private unnamed_addr constant [34 x i8] c"!{i32 7, !\22Dwarf Version\22, i32 4}\00"
-@.str.5708 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5709 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.5710 = private unnamed_addr constant [39 x i8] c"!{i32 2, !\22Debug Info Version\22, i32 3}\00"
-@.str.5711 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5712 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.5713 = private unnamed_addr constant [20 x i8] c"!DIFile(filename: \22\00"
-@.str.5714 = private unnamed_addr constant [16 x i8] c"\22, directory: \22\00"
-@.str.5715 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5716 = private unnamed_addr constant [28 x i8] c"used .cwd on a null pointer\00"
-@.str.5717 = private unnamed_addr constant [3 x i8] c"\22)\00"
-@.str.5718 = private unnamed_addr constant [53 x i8] c"distinct !DICompileUnit(language: DW_LANG_C, file: !\00"
-@.str.5719 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5720 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.5721 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5722 = private unnamed_addr constant [85 x i8] c", producer: \22finch\22, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)\00"
+@.str.5684 = private unnamed_addr constant [12 x i8] c"@finch.cmp.\00"
+@.str.5685 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5686 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.5687 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5688 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.5689 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5690 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5691 = private unnamed_addr constant [40 x i8] c"call i64 @finch_str_cmp(ptr %x, ptr %y)\00"
+@.str.5692 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.5693 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5694 = private unnamed_addr constant [3 x i8] c"%x\00"
+@.str.5695 = private unnamed_addr constant [3 x i8] c"%y\00"
+@.str.5696 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5697 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5698 = private unnamed_addr constant [10 x i8] c"fcmp olt \00"
+@.str.5699 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5700 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5701 = private unnamed_addr constant [10 x i8] c"fcmp ogt \00"
+@.str.5702 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5703 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5704 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.5705 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.5706 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5707 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5708 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5709 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.5710 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.5711 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5712 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5713 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5714 = private unnamed_addr constant [9 x i8] c"sub i32 \00"
+@.str.5715 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.5716 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5717 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5718 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.5719 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5720 = private unnamed_addr constant [9 x i8] c"ret i32 \00"
+@.str.5721 = private unnamed_addr constant [21 x i8] c"define internal i32 \00"
+@.str.5722 = private unnamed_addr constant [17 x i8] c"(ptr %x, ptr %y)\00"
 @.str.5723 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5724 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5724 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.5725 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5726 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5727 = private unnamed_addr constant [5 x i8] c"main\00"
-@.str.5728 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5729 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5730 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5731 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5732 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5726 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.5727 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5728 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5729 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5730 = private unnamed_addr constant [10 x i8] c"the start\00"
+@.str.5731 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5732 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.5733 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5734 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5735 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5736 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5738 = private unnamed_addr constant [83 x i8] c"a library (--shared) has no main: the program that loads it calls its 'export fn's\00"
-@.str.5739 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5740 = private unnamed_addr constant [65 x i8] c":1:1: error: there is no main function (add 'fn main() { ... }')\00"
-@.str.5741 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5742 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.5743 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5744 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5745 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5746 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5747 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5734 = private unnamed_addr constant [8 x i8] c"the end\00"
+@.str.5735 = private unnamed_addr constant [30 x i8] c"call void @finch_str_sub(ptr \00"
+@.str.5736 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5737 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5738 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5739 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5740 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5741 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5742 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5743 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5744 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5745 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.5746 = private unnamed_addr constant [12 x i8] c"starts_with\00"
+@.str.5747 = private unnamed_addr constant [10 x i8] c"ends_with\00"
 @.str.5748 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5749 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5750 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5751 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5752 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.5753 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5754 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5755 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5756 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5757 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5758 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.5759 = private unnamed_addr constant [11 x i8] c" dllexport\00"
-@.str.5760 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5761 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.5762 = private unnamed_addr constant [7 x i8] c"define\00"
-@.str.5763 = private unnamed_addr constant [108 x i8] c" void @finch_module_on_fatal(ptr %handler) {\0Aentry:\0A  call void @finch_on_fatal(ptr %handler)\0A  ret void\0A}\0A\00"
-@.str.5764 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5765 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5766 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5767 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.5768 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5769 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.5770 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5771 = private unnamed_addr constant [134 x i8] c"  %args = alloca { ptr, i64, i64 }\0A  call void @finch_args(ptr %args, i32 %argc, ptr %argv)\0A  %a = load { ptr, i64, i64 }, ptr %args\0A\00"
-@.str.5772 = private unnamed_addr constant [21 x i8] c"{ ptr, i64, i64 } %a\00"
-@.str.5773 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5774 = private unnamed_addr constant [13 x i8] c"  ret i32 0\0A\00"
-@.str.5775 = private unnamed_addr constant [6 x i8] c"%r = \00"
-@.str.5776 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.5777 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5778 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5779 = private unnamed_addr constant [22 x i8] c"  %ok = extractvalue \00"
-@.str.5780 = private unnamed_addr constant [63 x i8] c" %r, 0\0A  br i1 %ok, label %main.ok, label %main.bad\0Amain.bad:\0A\00"
-@.str.5781 = private unnamed_addr constant [21 x i8] c"  %m = extractvalue \00"
-@.str.5782 = private unnamed_addr constant [79 x i8] c" %r, 2\0A  %mp = alloca { ptr, i64, i64 }\0A  store { ptr, i64, i64 } %m, ptr %mp\0A\00"
-@.str.5783 = private unnamed_addr constant [63 x i8] c"  call void @finch_report_error(ptr %mp)\0A  ret i32 1\0Amain.ok:\0A\00"
-@.str.5784 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5785 = private unnamed_addr constant [21 x i8] c"  %v = extractvalue \00"
-@.str.5786 = private unnamed_addr constant [54 x i8] c" %r, 1\0A  %code = trunc i64 %v to i32\0A  ret i32 %code\0A\00"
-@.str.5787 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5788 = private unnamed_addr constant [6 x i8] c"%r = \00"
-@.str.5789 = private unnamed_addr constant [47 x i8] c"  %code = trunc i64 %r to i32\0A  ret i32 %code\0A\00"
-@.str.5790 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5791 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.5792 = private unnamed_addr constant [49 x i8] c"define i32 @main(i32 %argc, ptr %argv) {\0Aentry:\0A\00"
-@.str.5793 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.5794 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5795 = private unnamed_addr constant [3 x i8] c"}\0A\00"
-@.str.5796 = private unnamed_addr constant [6 x i8] c"print\00"
-@.str.5797 = private unnamed_addr constant [17 x i8] c"print(a, b, ...)\00"
-@.str.5798 = private unnamed_addr constant [79 x i8] c"Prints the values separated by spaces, then a new line. Works with every type.\00"
-@.str.5799 = private unnamed_addr constant [6 x i8] c"input\00"
-@.str.5800 = private unnamed_addr constant [32 x i8] c"input(str question = \22\22) -> str\00"
-@.str.5801 = private unnamed_addr constant [78 x i8] c"Shows the question and reads one line typed by the user, without the newline.\00"
-@.str.5802 = private unnamed_addr constant [10 x i8] c"read_file\00"
-@.str.5803 = private unnamed_addr constant [27 x i8] c"read_file(str path) -> str\00"
-@.str.5804 = private unnamed_addr constant [122 x i8] c"The whole file as text. Stops the program if it can't be read, unless handled: read_file(p) or { ... }, try read_file(p).\00"
-@.str.5805 = private unnamed_addr constant [11 x i8] c"write_file\00"
-@.str.5806 = private unnamed_addr constant [39 x i8] c"write_file(str path, str text) -> bool\00"
-@.str.5807 = private unnamed_addr constant [84 x i8] c"Writes (replaces) the file. true if it worked; with or / try, the reason it didn't.\00"
-@.str.5808 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.5809 = private unnamed_addr constant [30 x i8] c"file_exists(str path) -> bool\00"
-@.str.5810 = private unnamed_addr constant [30 x i8] c"Is there a file at this path?\00"
-@.str.5811 = private unnamed_addr constant [12 x i8] c"delete_file\00"
-@.str.5812 = private unnamed_addr constant [30 x i8] c"delete_file(str path) -> bool\00"
-@.str.5813 = private unnamed_addr constant [74 x i8] c"Deletes the file. true if it worked; with or / try, the reason it didn't.\00"
-@.str.5814 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.5815 = private unnamed_addr constant [19 x i8] c"error(str message)\00"
-@.str.5816 = private unnamed_addr constant [99 x i8] c"The failure a fallible function returns: return error(\22...\22). The caller handles it with or / try.\00"
-@.str.5817 = private unnamed_addr constant [6 x i8] c"shell\00"
-@.str.5818 = private unnamed_addr constant [26 x i8] c"shell(str command) -> int\00"
-@.str.5819 = private unnamed_addr constant [67 x i8] c"Runs a command in the system's shell and gives back its exit code.\00"
-@.str.5820 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.5821 = private unnamed_addr constant [15 x i8] c"exit(int code)\00"
-@.str.5822 = private unnamed_addr constant [49 x i8] c"Ends the program right away with this exit code.\00"
-@.str.5823 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.5824 = private unnamed_addr constant [18 x i8] c"addr(x) -> ptr[T]\00"
-@.str.5825 = private unnamed_addr constant [78 x i8] c"A pointer to a variable, field or element. addr(function) gives C a callback.\00"
-@.str.5826 = private unnamed_addr constant [4 x i8] c"new\00"
-@.str.5827 = private unnamed_addr constant [21 x i8] c"new(value) -> ptr[T]\00"
-@.str.5828 = private unnamed_addr constant [67 x i8] c"Puts a copy of the value on the heap. Give it back with free(...).\00"
-@.str.5829 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.5830 = private unnamed_addr constant [12 x i8] c"free(ptr p)\00"
-@.str.5831 = private unnamed_addr constant [74 x i8] c"Gives back memory from new(...) (or from C), freeing what the value owns.\00"
-@.str.5832 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5833 = private unnamed_addr constant [14 x i8] c"str(x) -> str\00"
-@.str.5834 = private unnamed_addr constant [62 x i8] c"Turns a number, bool, char, []u8 or C char pointer into text.\00"
-@.str.5835 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5836 = private unnamed_addr constant [14 x i8] c"int(x) -> int\00"
-@.str.5837 = private unnamed_addr constant [131 x i8] c"Converts to a whole number: cuts off fractions, parses text (stops the program if it isn't a number, unless handled: int(s) or 0).\00"
-@.str.5838 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.5839 = private unnamed_addr constant [18 x i8] c"float(x) -> float\00"
-@.str.5840 = private unnamed_addr constant [76 x i8] c"Converts to a decimal number; parses text (int(s) or 0.0 handles bad text).\00"
-@.str.5841 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.5842 = private unnamed_addr constant [20 x i8] c"char(int n) -> char\00"
-@.str.5843 = private unnamed_addr constant [30 x i8] c"The character with this code.\00"
-@.str.5844 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5845 = private unnamed_addr constant [20 x i8] c"bool(int n) -> bool\00"
-@.str.5846 = private unnamed_addr constant [27 x i8] c"true for any number but 0.\00"
-@.str.5847 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5848 = private unnamed_addr constant [14 x i8] c"ptr(x) -> ptr\00"
-@.str.5849 = private unnamed_addr constant [89 x i8] c"An untyped pointer: from a typed pointer, or from a number (an address or offset for C).\00"
-@.str.5850 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.5851 = private unnamed_addr constant [12 x i8] c".len -> int\00"
-@.str.5852 = private unnamed_addr constant [24 x i8] c"The number of elements.\00"
-@.str.5853 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5854 = private unnamed_addr constant [15 x i8] c".ptr -> ptr[T]\00"
-@.str.5855 = private unnamed_addr constant [41 x i8] c"The address of the first element, for C.\00"
-@.str.5856 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.5857 = private unnamed_addr constant [10 x i8] c"push(T x)\00"
-@.str.5858 = private unnamed_addr constant [19 x i8] c"Adds x at the end.\00"
-@.str.5859 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.5860 = private unnamed_addr constant [11 x i8] c"pop() -> T\00"
-@.str.5861 = private unnamed_addr constant [44 x i8] c"Removes the last element and gives it back.\00"
-@.str.5862 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.5863 = private unnamed_addr constant [19 x i8] c"insert(int i, T x)\00"
-@.str.5864 = private unnamed_addr constant [39 x i8] c"Puts x at position i, moving the rest.\00"
-@.str.5865 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5866 = private unnamed_addr constant [19 x i8] c"remove(int i) -> T\00"
-@.str.5867 = private unnamed_addr constant [38 x i8] c"Removes position i and gives it back.\00"
-@.str.5868 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5869 = private unnamed_addr constant [8 x i8] c"clear()\00"
-@.str.5870 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
-@.str.5871 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.5872 = private unnamed_addr constant [14 x i8] c"resize(int n)\00"
-@.str.5873 = private unnamed_addr constant [47 x i8] c"Makes the array n long; new elements are zero.\00"
-@.str.5874 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5875 = private unnamed_addr constant [17 x i8] c"find(T x) -> int\00"
-@.str.5876 = private unnamed_addr constant [23 x i8] c"The index of x, or -1.\00"
-@.str.5877 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5878 = private unnamed_addr constant [22 x i8] c"contains(T x) -> bool\00"
-@.str.5879 = private unnamed_addr constant [19 x i8] c"Is x in the array?\00"
-@.str.5880 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.5881 = private unnamed_addr constant [7 x i8] c"sort()\00"
-@.str.5882 = private unnamed_addr constant [38 x i8] c"Sorts in place (numbers, chars, str).\00"
-@.str.5883 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.5884 = private unnamed_addr constant [10 x i8] c"reverse()\00"
-@.str.5885 = private unnamed_addr constant [19 x i8] c"Reverses in place.\00"
-@.str.5886 = private unnamed_addr constant [6 x i8] c"slice\00"
-@.str.5887 = private unnamed_addr constant [33 x i8] c"slice(int start, int end) -> []T\00"
-@.str.5888 = private unnamed_addr constant [46 x i8] c"A new array with the elements start to end-1.\00"
-@.str.5889 = private unnamed_addr constant [5 x i8] c"join\00"
-@.str.5890 = private unnamed_addr constant [21 x i8] c"join(str sep) -> str\00"
-@.str.5891 = private unnamed_addr constant [48 x i8] c"For []str: one text with sep between the parts.\00"
-@.str.5892 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.5893 = private unnamed_addr constant [12 x i8] c".len -> int\00"
-@.str.5894 = private unnamed_addr constant [21 x i8] c"The number of bytes.\00"
-@.str.5895 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5896 = private unnamed_addr constant [18 x i8] c".ptr -> ptr[char]\00"
-@.str.5897 = private unnamed_addr constant [60 x i8] c"The address of the text, for C (valid while the str lives).\00"
-@.str.5898 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.5899 = private unnamed_addr constant [31 x i8] c"sub(int start, int end) -> str\00"
-@.str.5900 = private unnamed_addr constant [30 x i8] c"The part from start to end-1.\00"
-@.str.5901 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5902 = private unnamed_addr constant [19 x i8] c"find(str t) -> int\00"
-@.str.5903 = private unnamed_addr constant [23 x i8] c"Where t starts, or -1.\00"
-@.str.5904 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5905 = private unnamed_addr constant [24 x i8] c"contains(str t) -> bool\00"
-@.str.5906 = private unnamed_addr constant [25 x i8] c"Does the text contain t?\00"
-@.str.5907 = private unnamed_addr constant [12 x i8] c"starts_with\00"
-@.str.5908 = private unnamed_addr constant [27 x i8] c"starts_with(str t) -> bool\00"
-@.str.5909 = private unnamed_addr constant [28 x i8] c"Does the text start with t?\00"
-@.str.5910 = private unnamed_addr constant [10 x i8] c"ends_with\00"
-@.str.5911 = private unnamed_addr constant [25 x i8] c"ends_with(str t) -> bool\00"
-@.str.5912 = private unnamed_addr constant [26 x i8] c"Does the text end with t?\00"
-@.str.5913 = private unnamed_addr constant [6 x i8] c"split\00"
-@.str.5914 = private unnamed_addr constant [24 x i8] c"split(str sep) -> []str\00"
-@.str.5915 = private unnamed_addr constant [63 x i8] c"The parts between each sep; split(\22\22) gives single characters.\00"
-@.str.5916 = private unnamed_addr constant [5 x i8] c"trim\00"
-@.str.5917 = private unnamed_addr constant [14 x i8] c"trim() -> str\00"
-@.str.5918 = private unnamed_addr constant [42 x i8] c"Without spaces and newlines at both ends.\00"
-@.str.5919 = private unnamed_addr constant [6 x i8] c"upper\00"
-@.str.5920 = private unnamed_addr constant [15 x i8] c"upper() -> str\00"
-@.str.5921 = private unnamed_addr constant [25 x i8] c"With a-z changed to A-Z.\00"
-@.str.5922 = private unnamed_addr constant [6 x i8] c"lower\00"
-@.str.5923 = private unnamed_addr constant [15 x i8] c"lower() -> str\00"
-@.str.5924 = private unnamed_addr constant [25 x i8] c"With A-Z changed to a-z.\00"
-@.str.5925 = private unnamed_addr constant [8 x i8] c"replace\00"
-@.str.5926 = private unnamed_addr constant [33 x i8] c"replace(str from, str to) -> str\00"
-@.str.5927 = private unnamed_addr constant [27 x i8] c"Every from replaced by to.\00"
-@.str.5928 = private unnamed_addr constant [7 x i8] c"repeat\00"
-@.str.5929 = private unnamed_addr constant [21 x i8] c"repeat(int n) -> str\00"
-@.str.5930 = private unnamed_addr constant [18 x i8] c"The text n times.\00"
-@.str.5931 = private unnamed_addr constant [6 x i8] c"bytes\00"
-@.str.5932 = private unnamed_addr constant [16 x i8] c"bytes() -> []u8\00"
-@.str.5933 = private unnamed_addr constant [23 x i8] c"The bytes of the text.\00"
-@.str.5934 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.5935 = private unnamed_addr constant [12 x i8] c".len -> int\00"
-@.str.5936 = private unnamed_addr constant [20 x i8] c"The number of keys.\00"
-@.str.5937 = private unnamed_addr constant [4 x i8] c"has\00"
-@.str.5938 = private unnamed_addr constant [19 x i8] c"has(K key) -> bool\00"
-@.str.5939 = private unnamed_addr constant [23 x i8] c"Is the key in the map?\00"
-@.str.5940 = private unnamed_addr constant [4 x i8] c"get\00"
-@.str.5941 = private unnamed_addr constant [27 x i8] c"get(K key, V default) -> V\00"
-@.str.5942 = private unnamed_addr constant [54 x i8] c"The value for key, or default if the key isn't there.\00"
-@.str.5943 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5944 = private unnamed_addr constant [22 x i8] c"remove(K key) -> bool\00"
-@.str.5945 = private unnamed_addr constant [53 x i8] c"Removes the key and its value; true if it was there.\00"
-@.str.5946 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5947 = private unnamed_addr constant [8 x i8] c"clear()\00"
-@.str.5948 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
-@.str.5949 = private unnamed_addr constant [5 x i8] c"keys\00"
-@.str.5950 = private unnamed_addr constant [14 x i8] c"keys() -> []K\00"
-@.str.5951 = private unnamed_addr constant [40 x i8] c"The keys, in the order they were added.\00"
-@.str.5952 = private unnamed_addr constant [7 x i8] c"values\00"
-@.str.5953 = private unnamed_addr constant [16 x i8] c"values() -> []V\00"
-@.str.5954 = private unnamed_addr constant [48 x i8] c"The values, in the order their keys were added.\00"
-@.str.5955 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.5956 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.5957 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.5958 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.5959 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.5960 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.5961 = private unnamed_addr constant [3 x i8] c"in\00"
-@.str.5962 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.5963 = private unnamed_addr constant [9 x i8] c"continue\00"
-@.str.5964 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.5965 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.5966 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.5967 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.5968 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.5969 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5970 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5971 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.5972 = private unnamed_addr constant [7 x i8] c"export\00"
-@.str.5973 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.5974 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.5975 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.5976 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.5977 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5978 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.5979 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5980 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.5981 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5982 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5983 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.5984 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.5985 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.5986 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.5987 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5988 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.5989 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.5990 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.5991 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.5992 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.5993 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.5994 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.5995 = private unnamed_addr constant [6 x i8] c"\0A```\0A\00"
+@.str.5749 = private unnamed_addr constant [21 x i8] c"the text to look for\00"
+@.str.5750 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5751 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
+@.str.5752 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5753 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5754 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5755 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.5756 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
+@.str.5757 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5758 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5759 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
+@.str.5760 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5761 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5762 = private unnamed_addr constant [18 x i8] c"@finch_str_starts\00"
+@.str.5763 = private unnamed_addr constant [10 x i8] c"ends_with\00"
+@.str.5764 = private unnamed_addr constant [16 x i8] c"@finch_str_ends\00"
+@.str.5765 = private unnamed_addr constant [10 x i8] c"call i32 \00"
+@.str.5766 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.5767 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5768 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5769 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5770 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5771 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5772 = private unnamed_addr constant [5 x i8] c"trim\00"
+@.str.5773 = private unnamed_addr constant [6 x i8] c"upper\00"
+@.str.5774 = private unnamed_addr constant [6 x i8] c"lower\00"
+@.str.5775 = private unnamed_addr constant [22 x i8] c"call void @finch_str_\00"
+@.str.5776 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.5777 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5778 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5779 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5780 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5781 = private unnamed_addr constant [8 x i8] c"replace\00"
+@.str.5782 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5783 = private unnamed_addr constant [20 x i8] c"the text to replace\00"
+@.str.5784 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5785 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5786 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5787 = private unnamed_addr constant [13 x i8] c"the new text\00"
+@.str.5788 = private unnamed_addr constant [34 x i8] c"call void @finch_str_replace(ptr \00"
+@.str.5789 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5790 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5791 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5792 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5793 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5794 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5795 = private unnamed_addr constant [6 x i8] c"split\00"
+@.str.5796 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5797 = private unnamed_addr constant [14 x i8] c"the separator\00"
+@.str.5798 = private unnamed_addr constant [32 x i8] c"call void @finch_str_split(ptr \00"
+@.str.5799 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5800 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5801 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5802 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5803 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5804 = private unnamed_addr constant [7 x i8] c"repeat\00"
+@.str.5805 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5806 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5808 = private unnamed_addr constant [10 x i8] c"the count\00"
+@.str.5809 = private unnamed_addr constant [33 x i8] c"call void @finch_str_repeat(ptr \00"
+@.str.5810 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5811 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5812 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5813 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5814 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5815 = private unnamed_addr constant [6 x i8] c"bytes\00"
+@.str.5816 = private unnamed_addr constant [37 x i8] c"call void @finch_bytes_from_str(ptr \00"
+@.str.5817 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5818 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5819 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5820 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.5821 = private unnamed_addr constant [22 x i8] c"a str has no method '\00"
+@.str.5822 = private unnamed_addr constant [107 x i8] c"' (it has: sub, find, contains, starts_with, ends_with, split, trim, upper, lower, replace, repeat, bytes)\00"
+@.str.5823 = private unnamed_addr constant [55 x i8] c"declare void @finch_panic(ptr, i64, ptr) noreturn cold\00"
+@.str.5824 = private unnamed_addr constant [66 x i8] c"declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold\00"
+@.str.5825 = private unnamed_addr constant [30 x i8] c"declare ptr @finch_alloc(i64)\00"
+@.str.5826 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_copy(ptr, ptr)\00"
+@.str.5827 = private unnamed_addr constant [34 x i8] c"declare void @finch_str_drop(ptr)\00"
+@.str.5828 = private unnamed_addr constant [34 x i8] c"declare void @finch_arr_free(ptr)\00"
+@.str.5829 = private unnamed_addr constant [34 x i8] c"declare void @finch_map_free(ptr)\00"
+@.str.5830 = private unnamed_addr constant [33 x i8] c"declare void @finch_str_own(ptr)\00"
+@.str.5831 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_concat(ptr, ptr, ptr)\00"
+@.str.5832 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_str_eq(ptr, ptr)\00"
+@.str.5833 = private unnamed_addr constant [37 x i8] c"declare i64 @finch_str_cmp(ptr, ptr)\00"
+@.str.5834 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_add(ptr, ptr, i64)\00"
+@.str.5835 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_int(ptr, i64)\00"
+@.str.5836 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_uint(ptr, i64)\00"
+@.str.5837 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_float(ptr, double)\00"
+@.str.5838 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_bool(ptr, i32)\00"
+@.str.5839 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_ptr(ptr, ptr)\00"
+@.str.5840 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_char(ptr, i8, i32)\00"
+@.str.5841 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_str(ptr, ptr, i32)\00"
+@.str.5842 = private unnamed_addr constant [35 x i8] c"declare void @finch_buf_print(ptr)\00"
+@.str.5843 = private unnamed_addr constant [43 x i8] c"declare void @finch_str_from_int(ptr, i64)\00"
+@.str.5844 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_uint(ptr, i64)\00"
+@.str.5845 = private unnamed_addr constant [48 x i8] c"declare void @finch_str_from_float(ptr, double)\00"
+@.str.5846 = private unnamed_addr constant [51 x i8] c"declare void @finch_str_from_char(ptr, i8 signext)\00"
+@.str.5847 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_bool(ptr, i32)\00"
+@.str.5848 = private unnamed_addr constant [45 x i8] c"declare i64 @finch_str_to_int(ptr, ptr, i64)\00"
+@.str.5849 = private unnamed_addr constant [50 x i8] c"declare double @finch_str_to_float(ptr, ptr, i64)\00"
+@.str.5850 = private unnamed_addr constant [58 x i8] c"declare void @finch_str_sub(ptr, ptr, i64, i64, ptr, i64)\00"
+@.str.5851 = private unnamed_addr constant [38 x i8] c"declare i64 @finch_str_find(ptr, ptr)\00"
+@.str.5852 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_str_starts(ptr, ptr)\00"
+@.str.5853 = private unnamed_addr constant [38 x i8] c"declare i32 @finch_str_ends(ptr, ptr)\00"
+@.str.5854 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_trim(ptr, ptr)\00"
+@.str.5855 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_upper(ptr, ptr)\00"
+@.str.5856 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_lower(ptr, ptr)\00"
+@.str.5857 = private unnamed_addr constant [52 x i8] c"declare void @finch_str_replace(ptr, ptr, ptr, ptr)\00"
+@.str.5858 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_split(ptr, ptr, ptr)\00"
+@.str.5859 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_join(ptr, ptr, ptr)\00"
+@.str.5860 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_repeat(ptr, ptr, i64)\00"
+@.str.5861 = private unnamed_addr constant [45 x i8] c"declare void @finch_bytes_from_str(ptr, ptr)\00"
+@.str.5862 = private unnamed_addr constant [53 x i8] c"declare i64 @finch_map_find(ptr, ptr, i64, i64, i32)\00"
+@.str.5863 = private unnamed_addr constant [58 x i8] c"declare i64 @finch_map_slot(ptr, ptr, i64, i64, i32, ptr)\00"
+@.str.5864 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_remove_at(ptr, i64, i64)\00"
+@.str.5865 = private unnamed_addr constant [35 x i8] c"declare void @finch_map_clear(ptr)\00"
+@.str.5866 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_clone_raw(ptr, ptr, i64)\00"
+@.str.5867 = private unnamed_addr constant [61 x i8] c"declare void @finch_map_missing(ptr, i64, ptr) noreturn cold\00"
+@.str.5868 = private unnamed_addr constant [56 x i8] c"declare void @finch_map_changed(ptr, i64) noreturn cold\00"
+@.str.5869 = private unnamed_addr constant [47 x i8] c"declare void @finch_arr_reserve(ptr, i64, i64)\00"
+@.str.5870 = private unnamed_addr constant [49 x i8] c"declare void @finch_arr_clone_raw(ptr, ptr, i64)\00"
+@.str.5871 = private unnamed_addr constant [44 x i8] c"declare void @finch_arr_make(ptr, i64, i64)\00"
+@.str.5872 = private unnamed_addr constant [46 x i8] c"declare void @finch_arr_resize(ptr, i64, i64)\00"
+@.str.5873 = private unnamed_addr constant [60 x i8] c"declare void @finch_arr_insert_gap(ptr, i64, i64, ptr, i64)\00"
+@.str.5874 = private unnamed_addr constant [50 x i8] c"declare void @finch_arr_remove_gap(ptr, i64, i64)\00"
+@.str.5875 = private unnamed_addr constant [40 x i8] c"declare void @qsort(ptr, i64, i64, ptr)\00"
+@.str.5876 = private unnamed_addr constant [40 x i8] c"declare void @finch_args(ptr, i32, ptr)\00"
+@.str.5877 = private unnamed_addr constant [36 x i8] c"declare void @finch_input(ptr, ptr)\00"
+@.str.5878 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_file_exists(ptr)\00"
+@.str.5879 = private unnamed_addr constant [46 x i8] c"declare i32 @finch_str_try_int(ptr, ptr, ptr)\00"
+@.str.5880 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_str_try_float(ptr, ptr, ptr)\00"
+@.str.5881 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_try_read_file(ptr, ptr, ptr)\00"
+@.str.5882 = private unnamed_addr constant [49 x i8] c"declare i32 @finch_try_write_file(ptr, ptr, ptr)\00"
+@.str.5883 = private unnamed_addr constant [45 x i8] c"declare i32 @finch_try_delete_file(ptr, ptr)\00"
+@.str.5884 = private unnamed_addr constant [38 x i8] c"declare void @finch_report_error(ptr)\00"
+@.str.5885 = private unnamed_addr constant [50 x i8] c"declare void @finch_read_file(ptr, ptr, ptr, i64)\00"
+@.str.5886 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_write_file(ptr, ptr)\00"
+@.str.5887 = private unnamed_addr constant [30 x i8] c"declare i64 @finch_shell(ptr)\00"
+@.str.5888 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_delete_file(ptr)\00"
+@.str.5889 = private unnamed_addr constant [30 x i8] c"declare i32 @printf(ptr, ...)\00"
+@.str.5890 = private unnamed_addr constant [25 x i8] c"declare i32 @fflush(ptr)\00"
+@.str.5891 = private unnamed_addr constant [41 x i8] c"declare void @finch_str_from_c(ptr, ptr)\00"
+@.str.5892 = private unnamed_addr constant [34 x i8] c"declare void @finch_on_fatal(ptr)\00"
+@.str.5893 = private unnamed_addr constant [35 x i8] c"declare ptr @finch_std_stream(i32)\00"
+@.str.5894 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_from_bytes(ptr, ptr)\00"
+@.str.5895 = private unnamed_addr constant [33 x i8] c"declare void @exit(i32) noreturn\00"
+@.str.5896 = private unnamed_addr constant [24 x i8] c"declare void @free(ptr)\00"
+@.str.5897 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5898 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5899 = private unnamed_addr constant [53 x i8] c"; generated by the Finch compiler written in Finch\0A\0A\00"
+@.str.5900 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5901 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.5902 = private unnamed_addr constant [18 x i8] c"target triple = \22\00"
+@.str.5903 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5904 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.5905 = private unnamed_addr constant [4 x i8] c"\22\0A\0A\00"
+@.str.5906 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5907 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.5908 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5909 = private unnamed_addr constant [3 x i8] c"\0A\0A\00"
+@.str.5910 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5912 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.5913 = private unnamed_addr constant [63 x i8] c"declare void @llvm.dbg.declare(metadata, metadata, metadata)\0A\0A\00"
+@.str.5914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5915 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.5916 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5917 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5918 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.5919 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5920 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5921 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.5922 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5923 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5924 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5926 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5927 = private unnamed_addr constant [34 x i8] c"!{i32 7, !\22Dwarf Version\22, i32 4}\00"
+@.str.5928 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5929 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5930 = private unnamed_addr constant [39 x i8] c"!{i32 2, !\22Debug Info Version\22, i32 3}\00"
+@.str.5931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5932 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.5933 = private unnamed_addr constant [20 x i8] c"!DIFile(filename: \22\00"
+@.str.5934 = private unnamed_addr constant [16 x i8] c"\22, directory: \22\00"
+@.str.5935 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5936 = private unnamed_addr constant [28 x i8] c"used .cwd on a null pointer\00"
+@.str.5937 = private unnamed_addr constant [3 x i8] c"\22)\00"
+@.str.5938 = private unnamed_addr constant [53 x i8] c"distinct !DICompileUnit(language: DW_LANG_C, file: !\00"
+@.str.5939 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5940 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.5941 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5942 = private unnamed_addr constant [85 x i8] c", producer: \22finch\22, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)\00"
+@.str.5943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5944 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5945 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5946 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5947 = private unnamed_addr constant [5 x i8] c"main\00"
+@.str.5948 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5949 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5950 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5951 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5952 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5954 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5955 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5956 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5958 = private unnamed_addr constant [83 x i8] c"a library (--shared) has no main: the program that loads it calls its 'export fn's\00"
+@.str.5959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5960 = private unnamed_addr constant [65 x i8] c":1:1: error: there is no main function (add 'fn main() { ... }')\00"
+@.str.5961 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5962 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.5963 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5964 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5965 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5966 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5967 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5968 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5969 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5970 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5972 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.5973 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5974 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5975 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5976 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5977 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5978 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.5979 = private unnamed_addr constant [11 x i8] c" dllexport\00"
+@.str.5980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5981 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.5982 = private unnamed_addr constant [7 x i8] c"define\00"
+@.str.5983 = private unnamed_addr constant [108 x i8] c" void @finch_module_on_fatal(ptr %handler) {\0Aentry:\0A  call void @finch_on_fatal(ptr %handler)\0A  ret void\0A}\0A\00"
+@.str.5984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5985 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5987 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.5988 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5989 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.5990 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5991 = private unnamed_addr constant [134 x i8] c"  %args = alloca { ptr, i64, i64 }\0A  call void @finch_args(ptr %args, i32 %argc, ptr %argv)\0A  %a = load { ptr, i64, i64 }, ptr %args\0A\00"
+@.str.5992 = private unnamed_addr constant [21 x i8] c"{ ptr, i64, i64 } %a\00"
+@.str.5993 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5994 = private unnamed_addr constant [13 x i8] c"  ret i32 0\0A\00"
+@.str.5995 = private unnamed_addr constant [6 x i8] c"%r = \00"
+@.str.5996 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.5997 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5998 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5999 = private unnamed_addr constant [22 x i8] c"  %ok = extractvalue \00"
+@.str.6000 = private unnamed_addr constant [63 x i8] c" %r, 0\0A  br i1 %ok, label %main.ok, label %main.bad\0Amain.bad:\0A\00"
+@.str.6001 = private unnamed_addr constant [21 x i8] c"  %m = extractvalue \00"
+@.str.6002 = private unnamed_addr constant [79 x i8] c" %r, 2\0A  %mp = alloca { ptr, i64, i64 }\0A  store { ptr, i64, i64 } %m, ptr %mp\0A\00"
+@.str.6003 = private unnamed_addr constant [63 x i8] c"  call void @finch_report_error(ptr %mp)\0A  ret i32 1\0Amain.ok:\0A\00"
+@.str.6004 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6005 = private unnamed_addr constant [21 x i8] c"  %v = extractvalue \00"
+@.str.6006 = private unnamed_addr constant [54 x i8] c" %r, 1\0A  %code = trunc i64 %v to i32\0A  ret i32 %code\0A\00"
+@.str.6007 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6008 = private unnamed_addr constant [6 x i8] c"%r = \00"
+@.str.6009 = private unnamed_addr constant [47 x i8] c"  %code = trunc i64 %r to i32\0A  ret i32 %code\0A\00"
+@.str.6010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.6011 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6012 = private unnamed_addr constant [49 x i8] c"define i32 @main(i32 %argc, ptr %argv) {\0Aentry:\0A\00"
+@.str.6013 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.6014 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6015 = private unnamed_addr constant [3 x i8] c"}\0A\00"
+@.str.6016 = private unnamed_addr constant [6 x i8] c"print\00"
+@.str.6017 = private unnamed_addr constant [17 x i8] c"print(a, b, ...)\00"
+@.str.6018 = private unnamed_addr constant [79 x i8] c"Prints the values separated by spaces, then a new line. Works with every type.\00"
+@.str.6019 = private unnamed_addr constant [6 x i8] c"input\00"
+@.str.6020 = private unnamed_addr constant [32 x i8] c"input(str question = \22\22) -> str\00"
+@.str.6021 = private unnamed_addr constant [78 x i8] c"Shows the question and reads one line typed by the user, without the newline.\00"
+@.str.6022 = private unnamed_addr constant [10 x i8] c"read_file\00"
+@.str.6023 = private unnamed_addr constant [27 x i8] c"read_file(str path) -> str\00"
+@.str.6024 = private unnamed_addr constant [122 x i8] c"The whole file as text. Stops the program if it can't be read, unless handled: read_file(p) or { ... }, try read_file(p).\00"
+@.str.6025 = private unnamed_addr constant [11 x i8] c"write_file\00"
+@.str.6026 = private unnamed_addr constant [39 x i8] c"write_file(str path, str text) -> bool\00"
+@.str.6027 = private unnamed_addr constant [84 x i8] c"Writes (replaces) the file. true if it worked; with or / try, the reason it didn't.\00"
+@.str.6028 = private unnamed_addr constant [12 x i8] c"file_exists\00"
+@.str.6029 = private unnamed_addr constant [30 x i8] c"file_exists(str path) -> bool\00"
+@.str.6030 = private unnamed_addr constant [30 x i8] c"Is there a file at this path?\00"
+@.str.6031 = private unnamed_addr constant [12 x i8] c"delete_file\00"
+@.str.6032 = private unnamed_addr constant [30 x i8] c"delete_file(str path) -> bool\00"
+@.str.6033 = private unnamed_addr constant [74 x i8] c"Deletes the file. true if it worked; with or / try, the reason it didn't.\00"
+@.str.6034 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.6035 = private unnamed_addr constant [19 x i8] c"error(str message)\00"
+@.str.6036 = private unnamed_addr constant [99 x i8] c"The failure a fallible function returns: return error(\22...\22). The caller handles it with or / try.\00"
+@.str.6037 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.6038 = private unnamed_addr constant [26 x i8] c"shell(str command) -> int\00"
+@.str.6039 = private unnamed_addr constant [67 x i8] c"Runs a command in the system's shell and gives back its exit code.\00"
+@.str.6040 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.6041 = private unnamed_addr constant [15 x i8] c"exit(int code)\00"
+@.str.6042 = private unnamed_addr constant [49 x i8] c"Ends the program right away with this exit code.\00"
+@.str.6043 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.6044 = private unnamed_addr constant [18 x i8] c"addr(x) -> ptr[T]\00"
+@.str.6045 = private unnamed_addr constant [78 x i8] c"A pointer to a variable, field or element. addr(function) gives C a callback.\00"
+@.str.6046 = private unnamed_addr constant [4 x i8] c"new\00"
+@.str.6047 = private unnamed_addr constant [21 x i8] c"new(value) -> ptr[T]\00"
+@.str.6048 = private unnamed_addr constant [67 x i8] c"Puts a copy of the value on the heap. Give it back with free(...).\00"
+@.str.6049 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.6050 = private unnamed_addr constant [12 x i8] c"free(ptr p)\00"
+@.str.6051 = private unnamed_addr constant [74 x i8] c"Gives back memory from new(...) (or from C), freeing what the value owns.\00"
+@.str.6052 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6053 = private unnamed_addr constant [14 x i8] c"str(x) -> str\00"
+@.str.6054 = private unnamed_addr constant [62 x i8] c"Turns a number, bool, char, []u8 or C char pointer into text.\00"
+@.str.6055 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6056 = private unnamed_addr constant [14 x i8] c"int(x) -> int\00"
+@.str.6057 = private unnamed_addr constant [131 x i8] c"Converts to a whole number: cuts off fractions, parses text (stops the program if it isn't a number, unless handled: int(s) or 0).\00"
+@.str.6058 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.6059 = private unnamed_addr constant [18 x i8] c"float(x) -> float\00"
+@.str.6060 = private unnamed_addr constant [76 x i8] c"Converts to a decimal number; parses text (int(s) or 0.0 handles bad text).\00"
+@.str.6061 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6062 = private unnamed_addr constant [20 x i8] c"char(int n) -> char\00"
+@.str.6063 = private unnamed_addr constant [30 x i8] c"The character with this code.\00"
+@.str.6064 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.6065 = private unnamed_addr constant [20 x i8] c"bool(int n) -> bool\00"
+@.str.6066 = private unnamed_addr constant [27 x i8] c"true for any number but 0.\00"
+@.str.6067 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6068 = private unnamed_addr constant [14 x i8] c"ptr(x) -> ptr\00"
+@.str.6069 = private unnamed_addr constant [89 x i8] c"An untyped pointer: from a typed pointer, or from a number (an address or offset for C).\00"
+@.str.6070 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.6071 = private unnamed_addr constant [12 x i8] c".len -> int\00"
+@.str.6072 = private unnamed_addr constant [24 x i8] c"The number of elements.\00"
+@.str.6073 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6074 = private unnamed_addr constant [15 x i8] c".ptr -> ptr[T]\00"
+@.str.6075 = private unnamed_addr constant [41 x i8] c"The address of the first element, for C.\00"
+@.str.6076 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.6077 = private unnamed_addr constant [10 x i8] c"push(T x)\00"
+@.str.6078 = private unnamed_addr constant [19 x i8] c"Adds x at the end.\00"
+@.str.6079 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.6080 = private unnamed_addr constant [11 x i8] c"pop() -> T\00"
+@.str.6081 = private unnamed_addr constant [44 x i8] c"Removes the last element and gives it back.\00"
+@.str.6082 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.6083 = private unnamed_addr constant [19 x i8] c"insert(int i, T x)\00"
+@.str.6084 = private unnamed_addr constant [39 x i8] c"Puts x at position i, moving the rest.\00"
+@.str.6085 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.6086 = private unnamed_addr constant [19 x i8] c"remove(int i) -> T\00"
+@.str.6087 = private unnamed_addr constant [38 x i8] c"Removes position i and gives it back.\00"
+@.str.6088 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.6089 = private unnamed_addr constant [8 x i8] c"clear()\00"
+@.str.6090 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
+@.str.6091 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.6092 = private unnamed_addr constant [14 x i8] c"resize(int n)\00"
+@.str.6093 = private unnamed_addr constant [47 x i8] c"Makes the array n long; new elements are zero.\00"
+@.str.6094 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.6095 = private unnamed_addr constant [17 x i8] c"find(T x) -> int\00"
+@.str.6096 = private unnamed_addr constant [23 x i8] c"The index of x, or -1.\00"
+@.str.6097 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.6098 = private unnamed_addr constant [22 x i8] c"contains(T x) -> bool\00"
+@.str.6099 = private unnamed_addr constant [19 x i8] c"Is x in the array?\00"
+@.str.6100 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.6101 = private unnamed_addr constant [7 x i8] c"sort()\00"
+@.str.6102 = private unnamed_addr constant [38 x i8] c"Sorts in place (numbers, chars, str).\00"
+@.str.6103 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.6104 = private unnamed_addr constant [10 x i8] c"reverse()\00"
+@.str.6105 = private unnamed_addr constant [19 x i8] c"Reverses in place.\00"
+@.str.6106 = private unnamed_addr constant [6 x i8] c"slice\00"
+@.str.6107 = private unnamed_addr constant [33 x i8] c"slice(int start, int end) -> []T\00"
+@.str.6108 = private unnamed_addr constant [46 x i8] c"A new array with the elements start to end-1.\00"
+@.str.6109 = private unnamed_addr constant [5 x i8] c"join\00"
+@.str.6110 = private unnamed_addr constant [21 x i8] c"join(str sep) -> str\00"
+@.str.6111 = private unnamed_addr constant [48 x i8] c"For []str: one text with sep between the parts.\00"
+@.str.6112 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.6113 = private unnamed_addr constant [12 x i8] c".len -> int\00"
+@.str.6114 = private unnamed_addr constant [21 x i8] c"The number of bytes.\00"
+@.str.6115 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6116 = private unnamed_addr constant [18 x i8] c".ptr -> ptr[char]\00"
+@.str.6117 = private unnamed_addr constant [60 x i8] c"The address of the text, for C (valid while the str lives).\00"
+@.str.6118 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.6119 = private unnamed_addr constant [31 x i8] c"sub(int start, int end) -> str\00"
+@.str.6120 = private unnamed_addr constant [30 x i8] c"The part from start to end-1.\00"
+@.str.6121 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.6122 = private unnamed_addr constant [19 x i8] c"find(str t) -> int\00"
+@.str.6123 = private unnamed_addr constant [23 x i8] c"Where t starts, or -1.\00"
+@.str.6124 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.6125 = private unnamed_addr constant [24 x i8] c"contains(str t) -> bool\00"
+@.str.6126 = private unnamed_addr constant [25 x i8] c"Does the text contain t?\00"
+@.str.6127 = private unnamed_addr constant [12 x i8] c"starts_with\00"
+@.str.6128 = private unnamed_addr constant [27 x i8] c"starts_with(str t) -> bool\00"
+@.str.6129 = private unnamed_addr constant [28 x i8] c"Does the text start with t?\00"
+@.str.6130 = private unnamed_addr constant [10 x i8] c"ends_with\00"
+@.str.6131 = private unnamed_addr constant [25 x i8] c"ends_with(str t) -> bool\00"
+@.str.6132 = private unnamed_addr constant [26 x i8] c"Does the text end with t?\00"
+@.str.6133 = private unnamed_addr constant [6 x i8] c"split\00"
+@.str.6134 = private unnamed_addr constant [24 x i8] c"split(str sep) -> []str\00"
+@.str.6135 = private unnamed_addr constant [63 x i8] c"The parts between each sep; split(\22\22) gives single characters.\00"
+@.str.6136 = private unnamed_addr constant [5 x i8] c"trim\00"
+@.str.6137 = private unnamed_addr constant [14 x i8] c"trim() -> str\00"
+@.str.6138 = private unnamed_addr constant [42 x i8] c"Without spaces and newlines at both ends.\00"
+@.str.6139 = private unnamed_addr constant [6 x i8] c"upper\00"
+@.str.6140 = private unnamed_addr constant [15 x i8] c"upper() -> str\00"
+@.str.6141 = private unnamed_addr constant [25 x i8] c"With a-z changed to A-Z.\00"
+@.str.6142 = private unnamed_addr constant [6 x i8] c"lower\00"
+@.str.6143 = private unnamed_addr constant [15 x i8] c"lower() -> str\00"
+@.str.6144 = private unnamed_addr constant [25 x i8] c"With A-Z changed to a-z.\00"
+@.str.6145 = private unnamed_addr constant [8 x i8] c"replace\00"
+@.str.6146 = private unnamed_addr constant [33 x i8] c"replace(str from, str to) -> str\00"
+@.str.6147 = private unnamed_addr constant [27 x i8] c"Every from replaced by to.\00"
+@.str.6148 = private unnamed_addr constant [7 x i8] c"repeat\00"
+@.str.6149 = private unnamed_addr constant [21 x i8] c"repeat(int n) -> str\00"
+@.str.6150 = private unnamed_addr constant [18 x i8] c"The text n times.\00"
+@.str.6151 = private unnamed_addr constant [6 x i8] c"bytes\00"
+@.str.6152 = private unnamed_addr constant [16 x i8] c"bytes() -> []u8\00"
+@.str.6153 = private unnamed_addr constant [23 x i8] c"The bytes of the text.\00"
+@.str.6154 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.6155 = private unnamed_addr constant [12 x i8] c".len -> int\00"
+@.str.6156 = private unnamed_addr constant [20 x i8] c"The number of keys.\00"
+@.str.6157 = private unnamed_addr constant [4 x i8] c"has\00"
+@.str.6158 = private unnamed_addr constant [19 x i8] c"has(K key) -> bool\00"
+@.str.6159 = private unnamed_addr constant [23 x i8] c"Is the key in the map?\00"
+@.str.6160 = private unnamed_addr constant [4 x i8] c"get\00"
+@.str.6161 = private unnamed_addr constant [27 x i8] c"get(K key, V default) -> V\00"
+@.str.6162 = private unnamed_addr constant [54 x i8] c"The value for key, or default if the key isn't there.\00"
+@.str.6163 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.6164 = private unnamed_addr constant [22 x i8] c"remove(K key) -> bool\00"
+@.str.6165 = private unnamed_addr constant [53 x i8] c"Removes the key and its value; true if it was there.\00"
+@.str.6166 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.6167 = private unnamed_addr constant [8 x i8] c"clear()\00"
+@.str.6168 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
+@.str.6169 = private unnamed_addr constant [5 x i8] c"keys\00"
+@.str.6170 = private unnamed_addr constant [14 x i8] c"keys() -> []K\00"
+@.str.6171 = private unnamed_addr constant [40 x i8] c"The keys, in the order they were added.\00"
+@.str.6172 = private unnamed_addr constant [7 x i8] c"values\00"
+@.str.6173 = private unnamed_addr constant [16 x i8] c"values() -> []V\00"
+@.str.6174 = private unnamed_addr constant [48 x i8] c"The values, in the order their keys were added.\00"
+@.str.6175 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.6176 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.6177 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.6178 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.6179 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.6180 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.6181 = private unnamed_addr constant [3 x i8] c"in\00"
+@.str.6182 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.6183 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.6184 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.6185 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.6186 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.6187 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.6188 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.6189 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.6190 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.6191 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.6192 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.6193 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.6194 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.6195 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.6196 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.6197 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6198 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.6199 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.6200 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6201 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6202 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6203 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.6204 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.6205 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.6206 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.6207 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.6208 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.6209 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.6210 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.6211 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.6212 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.6213 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.6214 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.6215 = private unnamed_addr constant [6 x i8] c"\0A```\0A\00"
 declare ptr @clang_getCString([2 x i64])
 declare void @clang_disposeString([2 x i64])
-@.str.5996 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.5997 = private unnamed_addr constant [23 x i8] c"/tmp/finch_cc_dirs.txt\00"
-@.str.5998 = private unnamed_addr constant [27 x i8] c" -E -v -x c /dev/null 2> '\00"
-@.str.5999 = private unnamed_addr constant [14 x i8] c"' > /dev/null\00"
-@.str.6000 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6001 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6002 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6003 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6004 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6005 = private unnamed_addr constant [35 x i8] c"#include <...> search starts here:\00"
-@.str.6006 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6007 = private unnamed_addr constant [20 x i8] c"End of search list.\00"
-@.str.6008 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6009 = private unnamed_addr constant [23 x i8] c" (framework directory)\00"
-@.str.6010 = private unnamed_addr constant [12 x i8] c"-iframework\00"
-@.str.6011 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6012 = private unnamed_addr constant [9 x i8] c"-isystem\00"
-@.str.6013 = private unnamed_addr constant [8 x i8] c"rm -f '\00"
-@.str.6014 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6216 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.6217 = private unnamed_addr constant [16 x i8] c"/finch_cc_dirs_\00"
+@.str.6218 = private unnamed_addr constant [5 x i8] c".txt\00"
+@.str.6219 = private unnamed_addr constant [14 x i8] c"/finch_empty_\00"
+@.str.6220 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.6221 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6222 = private unnamed_addr constant [13 x i8] c" -E -v -x c \00"
+@.str.6223 = private unnamed_addr constant [5 x i8] c" 2> \00"
+@.str.6224 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6225 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6226 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6227 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6228 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6229 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6230 = private unnamed_addr constant [35 x i8] c"#include <...> search starts here:\00"
+@.str.6231 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6232 = private unnamed_addr constant [20 x i8] c"End of search list.\00"
+@.str.6233 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6234 = private unnamed_addr constant [23 x i8] c" (framework directory)\00"
+@.str.6235 = private unnamed_addr constant [12 x i8] c"-iframework\00"
+@.str.6236 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6237 = private unnamed_addr constant [9 x i8] c"-isystem\00"
 declare void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16, ptr)
 declare [2 x i64] @clang_getCursorUSR(ptr)
-@.str.6015 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6016 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6017 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6018 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6019 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6238 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6239 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6240 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6241 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6242 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
 declare [2 x i64] @clang_getCursorSpelling(ptr)
-@.str.6020 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6021 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6022 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6023 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
-@.str.6024 = private unnamed_addr constant [13 x i8] c"anon_struct_\00"
-@.str.6025 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6026 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
-@.str.6027 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6028 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6243 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6244 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6245 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6246 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
+@.str.6247 = private unnamed_addr constant [13 x i8] c"anon_struct_\00"
+@.str.6248 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6249 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
+@.str.6250 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6251 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
 declare void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16, ptr)
-@.str.6029 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6030 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6031 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6032 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
+@.str.6252 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6253 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6254 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6255 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
 declare i64 @clang_Type_getSizeOf(ptr)
-@.str.6033 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6034 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6035 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
+@.str.6256 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6257 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6258 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
 declare i64 @clang_Type_getAlignOf(ptr)
 declare i32 @clang_getCursorKind(ptr)
-@.str.6036 = private unnamed_addr constant [13 x i8] c"is a C union\00"
+@.str.6259 = private unnamed_addr constant [13 x i8] c"is a C union\00"
 declare i32 @clang_Type_visitFields(ptr, ptr, ptr)
-@.str.6037 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6038 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
-@.str.6039 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6040 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6041 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6042 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6260 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6261 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
+@.str.6262 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6263 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6264 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6265 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare void @clang_getCursorType(ptr sret(%S.C.CXType) align 16, ptr)
 declare i64 @clang_Cursor_getOffsetOfField(ptr)
 declare i32 @clang_Cursor_isBitField(ptr)
-@.str.6043 = private unnamed_addr constant [15 x i8] c"has bit fields\00"
-@.str.6044 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6045 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
-@.str.6046 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6047 = private unnamed_addr constant [36 x i8] c"used .unsupported on a null pointer\00"
-@.str.6048 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6049 = private unnamed_addr constant [28 x i8] c"used .imp on a null pointer\00"
-@.str.6050 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6051 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
-@.str.6052 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6053 = private unnamed_addr constant [34 x i8] c"used .hasHidden on a null pointer\00"
-@.str.6054 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6055 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
-@.str.6056 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6057 = private unnamed_addr constant [31 x i8] c"used .fields on a null pointer\00"
-@.str.6058 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.6059 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.6060 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.6061 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.6062 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.6063 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.6064 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.6065 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.6066 = private unnamed_addr constant [8 x i8] c"uses a \00"
-@.str.6067 = private unnamed_addr constant [12 x i8] c"-bit number\00"
-@.str.6068 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.6069 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.6070 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.6071 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.6072 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.6266 = private unnamed_addr constant [15 x i8] c"has bit fields\00"
+@.str.6267 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6268 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
+@.str.6269 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6270 = private unnamed_addr constant [36 x i8] c"used .unsupported on a null pointer\00"
+@.str.6271 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6272 = private unnamed_addr constant [28 x i8] c"used .imp on a null pointer\00"
+@.str.6273 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6274 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
+@.str.6275 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6276 = private unnamed_addr constant [34 x i8] c"used .hasHidden on a null pointer\00"
+@.str.6277 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6278 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
+@.str.6279 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6280 = private unnamed_addr constant [31 x i8] c"used .fields on a null pointer\00"
+@.str.6281 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.6282 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.6283 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.6284 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.6285 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.6286 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.6287 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6288 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.6289 = private unnamed_addr constant [8 x i8] c"uses a \00"
+@.str.6290 = private unnamed_addr constant [12 x i8] c"-bit number\00"
+@.str.6291 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.6292 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.6293 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6294 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.6295 = private unnamed_addr constant [6 x i8] c"float\00"
 declare void @clang_getPointeeType(ptr sret(%S.C.CXType) align 16, ptr)
 declare i32 @clang_isConstQualifiedType(ptr)
-@.str.6073 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.6074 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.6075 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.6076 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.6077 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.6078 = private unnamed_addr constant [24 x i8] c"uses a C union by value\00"
-@.str.6079 = private unnamed_addr constant [37 x i8] c"uses an incomplete C struct by value\00"
-@.str.6080 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.6081 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.6296 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6297 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6298 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.6299 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.6300 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6301 = private unnamed_addr constant [24 x i8] c"uses a C union by value\00"
+@.str.6302 = private unnamed_addr constant [37 x i8] c"uses an incomplete C struct by value\00"
+@.str.6303 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.6304 = private unnamed_addr constant [2 x i8] c"C\00"
 declare void @clang_getArrayElementType(ptr sret(%S.C.CXType) align 16, ptr)
 declare i64 @clang_getArraySize(ptr)
-@.str.6082 = private unnamed_addr constant [17 x i8] c"uses long double\00"
-@.str.6083 = private unnamed_addr constant [18 x i8] c"uses the C type '\00"
+@.str.6305 = private unnamed_addr constant [17 x i8] c"uses long double\00"
+@.str.6306 = private unnamed_addr constant [18 x i8] c"uses the C type '\00"
 declare [2 x i64] @clang_getTypeSpelling(ptr)
-@.str.6084 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6085 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6086 = private unnamed_addr constant [3 x i8] c"0x\00"
-@.str.6087 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6088 = private unnamed_addr constant [3 x i8] c"0X\00"
-@.str.6089 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6090 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6091 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6092 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6093 = private unnamed_addr constant [5 x i8] c"uUlL\00"
-@.str.6094 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6095 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6096 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6097 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
+@.str.6307 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6308 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6309 = private unnamed_addr constant [3 x i8] c"0x\00"
+@.str.6310 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6311 = private unnamed_addr constant [3 x i8] c"0X\00"
+@.str.6312 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6313 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6314 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6315 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6316 = private unnamed_addr constant [5 x i8] c"uUlL\00"
+@.str.6317 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6318 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6319 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6320 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
 declare void @clang_getCursorExtent(ptr sret(%S.C.CXSourceRange) align 16, ptr)
 declare void @clang_tokenize(ptr, ptr, ptr, ptr)
 declare i32 @clang_getTokenKind(ptr)
-@.str.6098 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6099 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
+@.str.6321 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6322 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
 declare [2 x i64] @clang_getTokenSpelling(ptr, ptr)
-@.str.6100 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6101 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
+@.str.6323 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6324 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
 declare void @clang_disposeTokens(ptr, ptr, i32)
-@.str.6102 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6103 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.6104 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6105 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6106 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6107 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6108 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.6109 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6110 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.6111 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6112 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6113 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6114 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6115 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6116 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6117 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6118 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6119 = private unnamed_addr constant [2 x i8] c"e\00"
-@.str.6120 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6121 = private unnamed_addr constant [2 x i8] c"E\00"
-@.str.6122 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6123 = private unnamed_addr constant [3 x i8] c"0x\00"
-@.str.6124 = private unnamed_addr constant [5 x i8] c"fFlL\00"
-@.str.6125 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6126 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6127 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6325 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6326 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.6327 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6328 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.6329 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6330 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6331 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.6332 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6333 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.6334 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6335 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6336 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6337 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6338 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6339 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6340 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6341 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6342 = private unnamed_addr constant [2 x i8] c"e\00"
+@.str.6343 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6344 = private unnamed_addr constant [2 x i8] c"E\00"
+@.str.6345 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6346 = private unnamed_addr constant [3 x i8] c"0x\00"
+@.str.6347 = private unnamed_addr constant [5 x i8] c"fFlL\00"
+@.str.6348 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6349 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6350 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
 declare void @clang_getTypedefDeclUnderlyingType(ptr sret(%S.C.CXType) align 16, ptr)
-@.str.6128 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6129 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6130 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6131 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6132 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6133 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6134 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6135 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6136 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6137 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6138 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6139 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6140 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6141 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6142 = private unnamed_addr constant [31 x i8] c"used .header on a null pointer\00"
+@.str.6351 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6352 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6353 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6354 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6355 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6356 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6357 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6358 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6359 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6360 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6361 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6362 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6363 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6364 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6365 = private unnamed_addr constant [31 x i8] c"used .header on a null pointer\00"
 declare i32 @clang_Cursor_getStorageClass(ptr)
-@.str.6143 = private unnamed_addr constant [63 x i8] c"is a static inline C function (it has no code to link against)\00"
-@.str.6144 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6145 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6146 = private unnamed_addr constant [43 x i8] c"has no parameter list in its C declaration\00"
-@.str.6147 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6148 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6366 = private unnamed_addr constant [63 x i8] c"is a static inline C function (it has no code to link against)\00"
+@.str.6367 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6368 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6369 = private unnamed_addr constant [43 x i8] c"has no parameter list in its C declaration\00"
+@.str.6370 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6371 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare void @clang_getResultType(ptr sret(%S.C.CXType) align 16, ptr)
 declare i32 @clang_getNumArgTypes(ptr)
 declare void @clang_getArgType(ptr sret(%S.C.CXType) align 16, ptr, i32)
 declare i32 @clang_isFunctionTypeVariadic(ptr)
-@.str.6149 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6150 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6151 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6152 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6153 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6154 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6372 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6373 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6374 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6375 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6376 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6377 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare i32 @clang_isCursorDefinition(ptr)
-@.str.6155 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6156 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6157 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6158 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6159 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6160 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6378 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6379 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6380 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6381 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6382 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6383 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
 declare i32 @clang_visitChildren(ptr, ptr, ptr)
-@.str.6161 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6162 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6384 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6385 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare i64 @clang_getEnumConstantDeclValue(ptr)
-@.str.6163 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6164 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6386 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6387 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare i32 @clang_Cursor_isMacroBuiltin(ptr)
 declare i32 @clang_Cursor_isMacroFunctionLike(ptr)
-@.str.6165 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6166 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6167 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6168 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6169 = private unnamed_addr constant [3 x i8] c"-x\00"
-@.str.6170 = private unnamed_addr constant [2 x i8] c"c\00"
-@.str.6171 = private unnamed_addr constant [11 x i8] c"-std=gnu11\00"
-@.str.6172 = private unnamed_addr constant [10 x i8] c"--target=\00"
-@.str.6173 = private unnamed_addr constant [20 x i8] c"-D_USE_MATH_DEFINES\00"
-@.str.6174 = private unnamed_addr constant [3 x i8] c"-I\00"
-@.str.6175 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6176 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6388 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6389 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6390 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6391 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6392 = private unnamed_addr constant [3 x i8] c"-x\00"
+@.str.6393 = private unnamed_addr constant [2 x i8] c"c\00"
+@.str.6394 = private unnamed_addr constant [11 x i8] c"-std=gnu11\00"
+@.str.6395 = private unnamed_addr constant [10 x i8] c"--target=\00"
+@.str.6396 = private unnamed_addr constant [20 x i8] c"-D_USE_MATH_DEFINES\00"
+@.str.6397 = private unnamed_addr constant [3 x i8] c"-I\00"
+@.str.6398 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6399 = private unnamed_addr constant [1 x i8] c"\00"
 declare ptr @clang_createIndex(i32, i32)
-@.str.6177 = private unnamed_addr constant [11 x i8] c"#include \22\00"
-@.str.6178 = private unnamed_addr constant [3 x i8] c"\22\0A\00"
-@.str.6179 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
-@.str.6180 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6181 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6182 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
-@.str.6183 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6400 = private unnamed_addr constant [11 x i8] c"#include \22\00"
+@.str.6401 = private unnamed_addr constant [3 x i8] c"\22\0A\00"
+@.str.6402 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
+@.str.6403 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6404 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6405 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
+@.str.6406 = private unnamed_addr constant [1 x i8] c"\00"
 declare i32 @clang_parseTranslationUnit2(ptr, ptr, ptr, i32, ptr, i32, i32, ptr)
-@.str.6184 = private unnamed_addr constant [34 x i8] c": error: couldn't read C header '\00"
-@.str.6185 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6407 = private unnamed_addr constant [34 x i8] c": error: couldn't read C header '\00"
+@.str.6408 = private unnamed_addr constant [2 x i8] c"'\00"
 declare i32 @clang_getNumDiagnostics(ptr)
 declare ptr @clang_getDiagnostic(ptr, i32)
 declare i32 @clang_getDiagnosticSeverity(ptr)
 declare [2 x i64] @clang_getDiagnosticSpelling(ptr)
 declare void @clang_disposeDiagnostic(ptr)
-@.str.6186 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6187 = private unnamed_addr constant [15 x i8] c"file not found\00"
-@.str.6188 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6189 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6190 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6191 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6192 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
-@.str.6193 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6194 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
-@.str.6195 = private unnamed_addr constant [11 x i8] c"', which '\00"
-@.str.6196 = private unnamed_addr constant [61 x i8] c"' includes (is its library's development package installed?)\00"
-@.str.6197 = private unnamed_addr constant [20 x i8] c": error: C header '\00"
-@.str.6198 = private unnamed_addr constant [17 x i8] c"' has an error: \00"
+@.str.6409 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6410 = private unnamed_addr constant [15 x i8] c"file not found\00"
+@.str.6411 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6412 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6413 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6414 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6415 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
+@.str.6416 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6417 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
+@.str.6418 = private unnamed_addr constant [11 x i8] c"', which '\00"
+@.str.6419 = private unnamed_addr constant [61 x i8] c"' includes (is its library's development package installed?)\00"
+@.str.6420 = private unnamed_addr constant [20 x i8] c": error: C header '\00"
+@.str.6421 = private unnamed_addr constant [17 x i8] c"' has an error: \00"
 declare void @clang_getTranslationUnitCursor(ptr sret(%S.C.CXCursor) align 16, ptr)
 declare void @clang_disposeTranslationUnit(ptr)
 declare void @clang_disposeIndex(ptr)
-@.str.6199 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6200 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6201 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6202 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6203 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6204 = private unnamed_addr constant [22 x i8] c"/tmp/finch_triple.txt\00"
-@.str.6205 = private unnamed_addr constant [23 x i8] c"clang -dumpmachine > '\00"
-@.str.6206 = private unnamed_addr constant [15 x i8] c"' 2> /dev/null\00"
-@.str.6207 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6208 = private unnamed_addr constant [8 x i8] c"rm -f '\00"
-@.str.6209 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6210 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6211 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
-@.str.6212 = private unnamed_addr constant [8 x i8] c"windows\00"
-@.str.6213 = private unnamed_addr constant [19 x i8] c"x86_64-w64-mingw32\00"
-@.str.6214 = private unnamed_addr constant [6 x i8] c"linux\00"
-@.str.6215 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
-@.str.6216 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6217 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6218 = private unnamed_addr constant [12 x i8] c"linux-arm64\00"
-@.str.6219 = private unnamed_addr constant [26 x i8] c"aarch64-unknown-linux-gnu\00"
-@.str.6220 = private unnamed_addr constant [6 x i8] c"macos\00"
-@.str.6221 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6222 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6223 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6224 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6225 = private unnamed_addr constant [25 x i8] c"arm64-apple-macosx14.0.0\00"
-@.str.6226 = private unnamed_addr constant [26 x i8] c"x86_64-apple-macosx14.0.0\00"
-@.str.6227 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6228 = private unnamed_addr constant [8 x i8] c"windows\00"
-@.str.6229 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6230 = private unnamed_addr constant [6 x i8] c"mingw\00"
-@.str.6231 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6232 = private unnamed_addr constant [5 x i8] c"msvc\00"
-@.str.6233 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6234 = private unnamed_addr constant [6 x i8] c"win32\00"
-@.str.6235 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6236 = private unnamed_addr constant [5 x i8] c"msvc\00"
-@.str.6237 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6238 = private unnamed_addr constant [6 x i8] c"apple\00"
-@.str.6239 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6240 = private unnamed_addr constant [7 x i8] c"darwin\00"
-@.str.6241 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6242 = private unnamed_addr constant [6 x i8] c"macos\00"
-@.str.6243 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6244 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6245 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6246 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6247 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6248 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6249 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6250 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6251 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6252 = private unnamed_addr constant [6 x i8] c"apple\00"
-@.str.6253 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6254 = private unnamed_addr constant [7 x i8] c"darwin\00"
-@.str.6255 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6256 = private unnamed_addr constant [5 x i8] c".exe\00"
-@.str.6257 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
-@.str.6258 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6259 = private unnamed_addr constant [23 x i8] c"x86_64-w64-mingw32-gcc\00"
-@.str.6260 = private unnamed_addr constant [22 x i8] c"aarch64-linux-gnu-gcc\00"
-@.str.6261 = private unnamed_addr constant [16 x i8] c"clang --target=\00"
-@.str.6262 = private unnamed_addr constant [3 x i8] c"cc\00"
-@.str.6263 = private unnamed_addr constant [6 x i8] c"wine \00"
-@.str.6264 = private unnamed_addr constant [14 x i8] c"qemu-aarch64 \00"
-@.str.6265 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
-@.str.6266 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6267 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6268 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6269 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6270 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6271 = private unnamed_addr constant [5 x i8] c"'\5C''\00"
-@.str.6272 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6273 = private unnamed_addr constant [15 x i8] c"XDG_CACHE_HOME\00"
-@.str.6274 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6275 = private unnamed_addr constant [7 x i8] c"/finch\00"
-@.str.6276 = private unnamed_addr constant [5 x i8] c"HOME\00"
-@.str.6277 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6278 = private unnamed_addr constant [14 x i8] c"/.cache/finch\00"
-@.str.6279 = private unnamed_addr constant [17 x i8] c"/tmp/finch-cache\00"
-@.str.6280 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6281 = private unnamed_addr constant [11 x i8] c".framework\00"
-@.str.6282 = private unnamed_addr constant [12 x i8] c"-framework \00"
-@.str.6283 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6284 = private unnamed_addr constant [25 x i8] c"/tmp/finch_pkg_flags.txt\00"
-@.str.6285 = private unnamed_addr constant [19 x i8] c"pkg-config --libs \00"
-@.str.6286 = private unnamed_addr constant [5 x i8] c" > '\00"
-@.str.6287 = private unnamed_addr constant [15 x i8] c"' 2> /dev/null\00"
-@.str.6288 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6289 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6290 = private unnamed_addr constant [8 x i8] c"rm -f '\00"
-@.str.6291 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6292 = private unnamed_addr constant [3 x i8] c"-l\00"
-@.str.6293 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6294 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.6295 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6296 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6297 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.6298 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6299 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6300 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6301 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6302 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6303 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6304 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6305 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6306 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6307 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6308 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6309 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6310 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6311 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6312 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6313 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6314 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
-@.str.6315 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
-@.str.6316 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6317 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6318 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
-@.str.6319 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
-@.str.6320 = private unnamed_addr constant [3 x i8] c" \0A\00"
-@.str.6321 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6322 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
-@.str.6323 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
-@.str.6324 = private unnamed_addr constant [4 x i8] c" \0A\0D\00"
-@.str.6325 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6326 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
-@.str.6327 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
-@.str.6328 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
-@.str.6329 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6330 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
-@.str.6331 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
-@.str.6332 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
-@.str.6333 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6334 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
-@.str.6335 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
-@.str.6336 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6337 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6338 = private unnamed_addr constant [12 x i8] c"framework '\00"
-@.str.6339 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6340 = private unnamed_addr constant [10 x i8] c"not found\00"
-@.str.6341 = private unnamed_addr constant [12 x i8] c"framework '\00"
-@.str.6342 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6343 = private unnamed_addr constant [11 x i8] c".framework\00"
-@.str.6344 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6345 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6346 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6347 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
-@.str.6348 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6349 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6350 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
-@.str.6351 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6352 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.6353 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6354 = private unnamed_addr constant [22 x i8] c"error: linking failed\00"
-@.str.6355 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6356 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6357 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6358 = private unnamed_addr constant [21 x i8] c"error: the library '\00"
-@.str.6359 = private unnamed_addr constant [63 x i8] c"' wasn't found. Is it installed? (on Nix: add it to shell.nix)\00"
-@.str.6360 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6361 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6362 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6363 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6364 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6365 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6366 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6367 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6368 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.6369 = private unnamed_addr constant [6 x i8] c" and \00"
-@.str.6370 = private unnamed_addr constant [6 x i8] c" more\00"
-@.str.6371 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6372 = private unnamed_addr constant [26 x i8] c"error: no code found for \00"
-@.str.6373 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6374 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6375 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6376 = private unnamed_addr constant [5 x i8] c"come\00"
-@.str.6377 = private unnamed_addr constant [6 x i8] c"comes\00"
-@.str.6378 = private unnamed_addr constant [8 x i8] c"error: \00"
-@.str.6379 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6380 = private unnamed_addr constant [8 x i8] c" from \22\00"
-@.str.6381 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6382 = private unnamed_addr constant [32 x i8] c"\22, but its library isn't linked\00"
-@.str.6383 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6384 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6385 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6386 = private unnamed_addr constant [75 x i8] c"  the header only says the functions exist; their code lives in a library.\00"
-@.str.6387 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6388 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6389 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6390 = private unnamed_addr constant [67 x i8] c"  add this at the top of your file (with the library's real name):\00"
-@.str.6391 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6392 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6393 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6394 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6395 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6396 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6397 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6398 = private unnamed_addr constant [13 x i8] c"      link \22\00"
-@.str.6399 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6400 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6401 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6402 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6403 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6404 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6405 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6406 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6407 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6408 = private unnamed_addr constant [5 x i8] c"/rt-\00"
-@.str.6409 = private unnamed_addr constant [4 x i8] c"2.5\00"
-@.str.6410 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6411 = private unnamed_addr constant [10 x i8] c"mkdir -p \00"
-@.str.6412 = private unnamed_addr constant [6 x i8] c".part\00"
+@.str.6422 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6423 = private unnamed_addr constant [13 x i8] c"src/host.fch\00"
+@.str.6424 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6425 = private unnamed_addr constant [5 x i8] c"'\5C''\00"
+@.str.6426 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6427 = private unnamed_addr constant [10 x i8] c"/dev/null\00"
+@.str.6428 = private unnamed_addr constant [7 x i8] c"TMPDIR\00"
+@.str.6429 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6430 = private unnamed_addr constant [13 x i8] c"src/host.fch\00"
+@.str.6431 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.6432 = private unnamed_addr constant [13 x i8] c"src/host.fch\00"
+@.str.6433 = private unnamed_addr constant [5 x i8] c"/tmp\00"
+@.str.6434 = private unnamed_addr constant [2 x i8] c":\00"
 declare i32 @getpid()
-@.str.6413 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
-@.str.6414 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6415 = private unnamed_addr constant [5 x i8] c".log\00"
-@.str.6416 = private unnamed_addr constant [5 x i8] c" -O2\00"
-@.str.6417 = private unnamed_addr constant [5 x i8] c" -c \00"
-@.str.6418 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6419 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6420 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6421 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6422 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6423 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6424 = private unnamed_addr constant [47 x i8] c"error: couldn't build the Finch runtime with '\00"
-@.str.6425 = private unnamed_addr constant [31 x i8] c"' (is a C compiler installed?)\00"
-@.str.6426 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6427 = private unnamed_addr constant [8 x i8] c" && mv \00"
-@.str.6428 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6429 = private unnamed_addr constant [12 x i8] c"FINCH_CLANG\00"
-@.str.6430 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6431 = private unnamed_addr constant [6 x i8] c"clang\00"
-@.str.6432 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
-@.str.6433 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6434 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
-@.str.6435 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6435 = private unnamed_addr constant [4 x i8] c"PWD\00"
 @.str.6436 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6437 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6438 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6439 = private unnamed_addr constant [4 x i8] c".ll\00"
-@.str.6440 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6437 = private unnamed_addr constant [15 x i8] c"XDG_CACHE_HOME\00"
+@.str.6438 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6439 = private unnamed_addr constant [7 x i8] c"/finch\00"
+@.str.6440 = private unnamed_addr constant [5 x i8] c"HOME\00"
 @.str.6441 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6442 = private unnamed_addr constant [11 x i8] c" --target=\00"
-@.str.6443 = private unnamed_addr constant [5 x i8] c".log\00"
-@.str.6444 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6445 = private unnamed_addr constant [8 x i8] c" -w -c \00"
-@.str.6446 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6447 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6448 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6449 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6450 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6451 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6452 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6453 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6454 = private unnamed_addr constant [47 x i8] c"error: clang couldn't compile the program's IR\00"
-@.str.6455 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6456 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6457 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6458 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6459 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6460 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6461 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6462 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6463 = private unnamed_addr constant [5 x i8] c" -lm\00"
-@.str.6464 = private unnamed_addr constant [13 x i8] c" -dynamiclib\00"
-@.str.6465 = private unnamed_addr constant [9 x i8] c" -shared\00"
-@.str.6466 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6467 = private unnamed_addr constant [3 x i8] c".c\00"
-@.str.6468 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6469 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6470 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
-@.str.6471 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6472 = private unnamed_addr constant [5 x i8] c" -O2\00"
-@.str.6473 = private unnamed_addr constant [5 x i8] c" -c \00"
-@.str.6474 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6475 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6476 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6477 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6478 = private unnamed_addr constant [25 x i8] c"error: couldn't compile \00"
-@.str.6479 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6480 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6481 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6482 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6483 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6484 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6485 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6486 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6487 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6488 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6489 = private unnamed_addr constant [3 x i8] c".a\00"
-@.str.6490 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6491 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6492 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6493 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6494 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6495 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6496 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6497 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6498 = private unnamed_addr constant [43 x i8] c"error: no C compiler found to link with ('\00"
-@.str.6499 = private unnamed_addr constant [33 x i8] c"'; install one, or set FINCH_CC)\00"
-@.str.6500 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6501 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6502 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6442 = private unnamed_addr constant [14 x i8] c"/.cache/finch\00"
+@.str.6443 = private unnamed_addr constant [13 x i8] c"/finch-cache\00"
+@.str.6444 = private unnamed_addr constant [10 x i8] c"mkdir -p \00"
+@.str.6445 = private unnamed_addr constant [8 x i8] c"rm -rf \00"
+@.str.6446 = private unnamed_addr constant [4 x i8] c"mv \00"
+@.str.6447 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6448 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6449 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6450 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6451 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6452 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6453 = private unnamed_addr constant [15 x i8] c"/finch_triple_\00"
+@.str.6454 = private unnamed_addr constant [5 x i8] c".txt\00"
+@.str.6455 = private unnamed_addr constant [22 x i8] c"clang -dumpmachine > \00"
+@.str.6456 = private unnamed_addr constant [5 x i8] c" 2> \00"
+@.str.6457 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6458 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6459 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
+@.str.6460 = private unnamed_addr constant [8 x i8] c"windows\00"
+@.str.6461 = private unnamed_addr constant [19 x i8] c"x86_64-w64-mingw32\00"
+@.str.6462 = private unnamed_addr constant [6 x i8] c"linux\00"
+@.str.6463 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
+@.str.6464 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6465 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6466 = private unnamed_addr constant [12 x i8] c"linux-arm64\00"
+@.str.6467 = private unnamed_addr constant [26 x i8] c"aarch64-unknown-linux-gnu\00"
+@.str.6468 = private unnamed_addr constant [6 x i8] c"macos\00"
+@.str.6469 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6470 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6471 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6472 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6473 = private unnamed_addr constant [25 x i8] c"arm64-apple-macosx14.0.0\00"
+@.str.6474 = private unnamed_addr constant [26 x i8] c"x86_64-apple-macosx14.0.0\00"
+@.str.6475 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6476 = private unnamed_addr constant [8 x i8] c"windows\00"
+@.str.6477 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6478 = private unnamed_addr constant [6 x i8] c"mingw\00"
+@.str.6479 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6480 = private unnamed_addr constant [5 x i8] c"msvc\00"
+@.str.6481 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6482 = private unnamed_addr constant [6 x i8] c"win32\00"
+@.str.6483 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6484 = private unnamed_addr constant [5 x i8] c"msvc\00"
+@.str.6485 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6486 = private unnamed_addr constant [6 x i8] c"apple\00"
+@.str.6487 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6488 = private unnamed_addr constant [7 x i8] c"darwin\00"
+@.str.6489 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6490 = private unnamed_addr constant [6 x i8] c"macos\00"
+@.str.6491 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6492 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6493 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6494 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6495 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6496 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6497 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6498 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6499 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6500 = private unnamed_addr constant [6 x i8] c"apple\00"
+@.str.6501 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6502 = private unnamed_addr constant [7 x i8] c"darwin\00"
 @.str.6503 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6504 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6505 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6506 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6507 = private unnamed_addr constant [8 x i8] c"file://\00"
-@.str.6508 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6509 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6510 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6511 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6512 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6513 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6514 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6515 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
-@.str.6516 = private unnamed_addr constant [8 x i8] c"file://\00"
-@.str.6517 = private unnamed_addr constant [6 x i8] c"/-_.~\00"
-@.str.6518 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6519 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.6520 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6521 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6522 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6523 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6524 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6525 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6526 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6527 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6528 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6529 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6530 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6531 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6532 = private unnamed_addr constant [1 x i8] c"\00"
-declare i32 @getchar()
-@.str.6533 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6534 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6535 = private unnamed_addr constant [2 x i8] c"\0D\00"
-@.str.6536 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@stdin = external global ptr
-declare i32 @feof(ptr)
-@.str.6537 = private unnamed_addr constant [33 x i8] c"the editor closed the connection\00"
-@.str.6538 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6539 = private unnamed_addr constant [16 x i8] c"Content-Length:\00"
-@.str.6540 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6541 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6542 = private unnamed_addr constant [26 x i8] c"the message was cut short\00"
-@.str.6543 = private unnamed_addr constant [17 x i8] c"Content-Length: \00"
-@.str.6544 = private unnamed_addr constant [5 x i8] c"\0D\0A\0D\0A\00"
-@.str.6545 = private unnamed_addr constant [1 x i8] c"\00"
-@stdout = external global ptr
-declare i64 @fwrite(ptr, i64, i64, ptr)
-@.str.6546 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
-@.str.6547 = private unnamed_addr constant [4 x i8] c"2.0\00"
-@.str.6548 = private unnamed_addr constant [3 x i8] c"id\00"
-@.str.6549 = private unnamed_addr constant [7 x i8] c"result\00"
-@.str.6550 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
-@.str.6551 = private unnamed_addr constant [4 x i8] c"2.0\00"
-@.str.6552 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.6553 = private unnamed_addr constant [7 x i8] c"params\00"
-@.str.6554 = private unnamed_addr constant [5 x i8] c"line\00"
-@.str.6555 = private unnamed_addr constant [10 x i8] c"character\00"
-@.str.6556 = private unnamed_addr constant [6 x i8] c"start\00"
-@.str.6557 = private unnamed_addr constant [4 x i8] c"end\00"
-@.str.6558 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6559 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.6560 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6561 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.6562 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6563 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6564 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6565 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.6566 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6567 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6568 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6569 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.6570 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6571 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6572 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6573 = private unnamed_addr constant [2 x i8] c"@\00"
-@.str.6574 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6575 = private unnamed_addr constant [3 x i8] c"@R\00"
-@.str.6576 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6577 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6578 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6579 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6580 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6581 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6582 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6583 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6584 = private unnamed_addr constant [3 x i8] c"@V\00"
-@.str.6585 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6586 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6587 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6588 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6589 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6590 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6591 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6592 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6593 = private unnamed_addr constant [3 x i8] c"@F\00"
-@.str.6594 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6595 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6596 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6597 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6598 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6599 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6600 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6601 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6602 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6603 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6604 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.6605 = private unnamed_addr constant [3 x i8] c"@S\00"
-@.str.6606 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6607 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6608 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6609 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6610 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6611 = private unnamed_addr constant [4 x i8] c"@SF\00"
-@.str.6612 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6613 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6614 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6615 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6616 = private unnamed_addr constant [3 x i8] c"@E\00"
-@.str.6617 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6618 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6619 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6620 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6621 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6622 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6623 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6624 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.6625 = private unnamed_addr constant [3 x i8] c"@I\00"
-@.str.6626 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6627 = private unnamed_addr constant [11 x i8] c"mkdir -p '\00"
-@.str.6628 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6629 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6630 = private unnamed_addr constant [5 x i8] c"/doc\00"
-@.str.6631 = private unnamed_addr constant [5 x i8] c".fch\00"
-@.str.6632 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6633 = private unnamed_addr constant [13 x i8] c" --overlay '\00"
-@.str.6634 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.6635 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6636 = private unnamed_addr constant [9 x i8] c"/out.txt\00"
-@.str.6637 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6638 = private unnamed_addr constant [10 x i8] c"' index '\00"
-@.str.6639 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6640 = private unnamed_addr constant [5 x i8] c" > '\00"
-@.str.6641 = private unnamed_addr constant [7 x i8] c"' 2>&1\00"
+@.str.6504 = private unnamed_addr constant [5 x i8] c".exe\00"
+@.str.6505 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
+@.str.6506 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6507 = private unnamed_addr constant [23 x i8] c"x86_64-w64-mingw32-gcc\00"
+@.str.6508 = private unnamed_addr constant [22 x i8] c"aarch64-linux-gnu-gcc\00"
+@.str.6509 = private unnamed_addr constant [16 x i8] c"clang --target=\00"
+@.str.6510 = private unnamed_addr constant [2 x i8] c";\00"
+@.str.6511 = private unnamed_addr constant [6 x i8] c"clang\00"
+@.str.6512 = private unnamed_addr constant [3 x i8] c"cc\00"
+@.str.6513 = private unnamed_addr constant [6 x i8] c"wine \00"
+@.str.6514 = private unnamed_addr constant [14 x i8] c"qemu-aarch64 \00"
+@.str.6515 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
+@.str.6516 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6517 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6518 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6519 = private unnamed_addr constant [11 x i8] c".framework\00"
+@.str.6520 = private unnamed_addr constant [12 x i8] c"-framework \00"
+@.str.6521 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6522 = private unnamed_addr constant [18 x i8] c"/finch_pkg_flags_\00"
+@.str.6523 = private unnamed_addr constant [5 x i8] c".txt\00"
+@.str.6524 = private unnamed_addr constant [19 x i8] c"pkg-config --libs \00"
+@.str.6525 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6526 = private unnamed_addr constant [5 x i8] c" 2> \00"
+@.str.6527 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6528 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6529 = private unnamed_addr constant [3 x i8] c"-l\00"
+@.str.6530 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6531 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.6532 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6533 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6534 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.6535 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6536 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6537 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6538 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6539 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6540 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6541 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6542 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6543 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6544 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6545 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6546 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6547 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6548 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6549 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6550 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6551 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
+@.str.6552 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
+@.str.6553 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6554 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6555 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
+@.str.6556 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
+@.str.6557 = private unnamed_addr constant [3 x i8] c" \0A\00"
+@.str.6558 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6559 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
+@.str.6560 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
+@.str.6561 = private unnamed_addr constant [4 x i8] c" \0A\0D\00"
+@.str.6562 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6563 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
+@.str.6564 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
+@.str.6565 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
+@.str.6566 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6567 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
+@.str.6568 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
+@.str.6569 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
+@.str.6570 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6571 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
+@.str.6572 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
+@.str.6573 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6574 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6575 = private unnamed_addr constant [12 x i8] c"framework '\00"
+@.str.6576 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6577 = private unnamed_addr constant [10 x i8] c"not found\00"
+@.str.6578 = private unnamed_addr constant [12 x i8] c"framework '\00"
+@.str.6579 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6580 = private unnamed_addr constant [11 x i8] c".framework\00"
+@.str.6581 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6582 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.6583 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6584 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
+@.str.6585 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6586 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6587 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
+@.str.6588 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6589 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.6590 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6591 = private unnamed_addr constant [22 x i8] c"error: linking failed\00"
+@.str.6592 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6593 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6594 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6595 = private unnamed_addr constant [21 x i8] c"error: the library '\00"
+@.str.6596 = private unnamed_addr constant [63 x i8] c"' wasn't found. Is it installed? (on Nix: add it to shell.nix)\00"
+@.str.6597 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6598 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6599 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6600 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6601 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6602 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6603 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6604 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6605 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.6606 = private unnamed_addr constant [6 x i8] c" and \00"
+@.str.6607 = private unnamed_addr constant [6 x i8] c" more\00"
+@.str.6608 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6609 = private unnamed_addr constant [26 x i8] c"error: no code found for \00"
+@.str.6610 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6611 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6612 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6613 = private unnamed_addr constant [5 x i8] c"come\00"
+@.str.6614 = private unnamed_addr constant [6 x i8] c"comes\00"
+@.str.6615 = private unnamed_addr constant [8 x i8] c"error: \00"
+@.str.6616 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6617 = private unnamed_addr constant [8 x i8] c" from \22\00"
+@.str.6618 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6619 = private unnamed_addr constant [32 x i8] c"\22, but its library isn't linked\00"
+@.str.6620 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6621 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6622 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6623 = private unnamed_addr constant [75 x i8] c"  the header only says the functions exist; their code lives in a library.\00"
+@.str.6624 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6625 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6626 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6627 = private unnamed_addr constant [67 x i8] c"  add this at the top of your file (with the library's real name):\00"
+@.str.6628 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6629 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6630 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6631 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6632 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6633 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6634 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6635 = private unnamed_addr constant [13 x i8] c"      link \22\00"
+@.str.6636 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6637 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.6638 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6639 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6640 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6641 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.6642 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6643 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6644 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.6645 = private unnamed_addr constant [9 x i8] c"severity\00"
-@.str.6646 = private unnamed_addr constant [7 x i8] c"source\00"
-@.str.6647 = private unnamed_addr constant [6 x i8] c"finch\00"
-@.str.6648 = private unnamed_addr constant [8 x i8] c"message\00"
-@.str.6649 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6650 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
-@.str.6651 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
-@.str.6652 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6653 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6654 = private unnamed_addr constant [9 x i8] c"markdown\00"
-@.str.6655 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.6656 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6657 = private unnamed_addr constant [9 x i8] c"contents\00"
-@.str.6658 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6659 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6660 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6661 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.6662 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6663 = private unnamed_addr constant [5 x i8] c"name\00"
-@.str.6664 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6665 = private unnamed_addr constant [6 x i8] c"start\00"
-@.str.6666 = private unnamed_addr constant [4 x i8] c"end\00"
-@.str.6667 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.6668 = private unnamed_addr constant [15 x i8] c"selectionRange\00"
-@.str.6669 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6670 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6671 = private unnamed_addr constant [7 x i8] c"detail\00"
-@.str.6672 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6673 = private unnamed_addr constant [9 x i8] c"markdown\00"
-@.str.6674 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.6675 = private unnamed_addr constant [14 x i8] c"documentation\00"
-@.str.6676 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6677 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6678 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6679 = private unnamed_addr constant [33 x i8] c"called .push() on a null pointer\00"
-@.str.6680 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6681 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6682 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6683 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6684 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6685 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6686 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6687 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6688 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.6689 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6690 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6691 = private unnamed_addr constant [8 x i8] c"struct \00"
-@.str.6692 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6693 = private unnamed_addr constant [6 x i8] c"enum \00"
-@.str.6694 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6695 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6696 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6697 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6698 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.6699 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6700 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.6701 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.6702 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6703 = private unnamed_addr constant [5 x i8] c"ptr[\00"
-@.str.6704 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6705 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.6706 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6707 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6708 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.6709 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.6710 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6711 = private unnamed_addr constant [5 x i8] c"map[\00"
-@.str.6712 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6713 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6714 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6715 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6716 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6717 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6718 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6643 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6644 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6645 = private unnamed_addr constant [5 x i8] c"/rt-\00"
+@.str.6646 = private unnamed_addr constant [4 x i8] c"2.5\00"
+@.str.6647 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6648 = private unnamed_addr constant [6 x i8] c".part\00"
+@.str.6649 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
+@.str.6650 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6651 = private unnamed_addr constant [5 x i8] c".log\00"
+@.str.6652 = private unnamed_addr constant [5 x i8] c" -O2\00"
+@.str.6653 = private unnamed_addr constant [5 x i8] c" -c \00"
+@.str.6654 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6655 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6656 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6657 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6658 = private unnamed_addr constant [47 x i8] c"error: couldn't build the Finch runtime with '\00"
+@.str.6659 = private unnamed_addr constant [31 x i8] c"' (is a C compiler installed?)\00"
+@.str.6660 = private unnamed_addr constant [12 x i8] c"FINCH_CLANG\00"
+@.str.6661 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6662 = private unnamed_addr constant [6 x i8] c"clang\00"
+@.str.6663 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
+@.str.6664 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6665 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
+@.str.6666 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6667 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6668 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6669 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6670 = private unnamed_addr constant [4 x i8] c".ll\00"
+@.str.6671 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6672 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6673 = private unnamed_addr constant [11 x i8] c" --target=\00"
+@.str.6674 = private unnamed_addr constant [5 x i8] c".log\00"
+@.str.6675 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6676 = private unnamed_addr constant [8 x i8] c" -w -c \00"
+@.str.6677 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6678 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6679 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6680 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6681 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6682 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6683 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6684 = private unnamed_addr constant [47 x i8] c"error: clang couldn't compile the program's IR\00"
+@.str.6685 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6686 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6687 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6688 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6689 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6690 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6691 = private unnamed_addr constant [5 x i8] c" -lm\00"
+@.str.6692 = private unnamed_addr constant [13 x i8] c" -dynamiclib\00"
+@.str.6693 = private unnamed_addr constant [9 x i8] c" -shared\00"
+@.str.6694 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6695 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.6696 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6697 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6698 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
+@.str.6699 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6700 = private unnamed_addr constant [5 x i8] c" -O2\00"
+@.str.6701 = private unnamed_addr constant [5 x i8] c" -c \00"
+@.str.6702 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6703 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6704 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6705 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6706 = private unnamed_addr constant [25 x i8] c"error: couldn't compile \00"
+@.str.6707 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6708 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6709 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6710 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6711 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6712 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6713 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6714 = private unnamed_addr constant [3 x i8] c".a\00"
+@.str.6715 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6716 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6717 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6718 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
 @.str.6719 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6720 = private unnamed_addr constant [8 x i8] c"struct \00"
-@.str.6721 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6720 = private unnamed_addr constant [43 x i8] c"error: no C compiler found to link with ('\00"
+@.str.6721 = private unnamed_addr constant [33 x i8] c"'; install one, or set FINCH_CC)\00"
 @.str.6722 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6723 = private unnamed_addr constant [6 x i8] c"enum \00"
-@.str.6724 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6725 = private unnamed_addr constant [7 x i8] c"module\00"
-@.str.6726 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6727 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6728 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6729 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6730 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6731 = private unnamed_addr constant [13 x i8] c"isIncomplete\00"
-@.str.6732 = private unnamed_addr constant [6 x i8] c"items\00"
+@.str.6723 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6724 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6725 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6726 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6727 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6728 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6729 = private unnamed_addr constant [8 x i8] c"file://\00"
+@.str.6730 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6731 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6732 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6733 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6734 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6735 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6736 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6737 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6738 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6739 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6737 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
+@.str.6738 = private unnamed_addr constant [8 x i8] c"file://\00"
+@.str.6739 = private unnamed_addr constant [6 x i8] c"/-_.~\00"
 @.str.6740 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6741 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6742 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.6741 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.6742 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6743 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6744 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.6744 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.6745 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6746 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6747 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6748 = private unnamed_addr constant [11 x i8] c"parameters\00"
-@.str.6749 = private unnamed_addr constant [11 x i8] c"signatures\00"
-@.str.6750 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
-@.str.6751 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
-@.str.6752 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6753 = private unnamed_addr constant [14 x i8] c"documentation\00"
-@.str.6754 = private unnamed_addr constant [11 x i8] c"signatures\00"
-@.str.6755 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
-@.str.6756 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
-@.str.6757 = private unnamed_addr constant [13 x i8] c"textDocument\00"
-@.str.6758 = private unnamed_addr constant [5 x i8] c"text\00"
-@.str.6759 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6760 = private unnamed_addr constant [13 x i8] c"textDocument\00"
-@.str.6761 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6762 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6763 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.6764 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6765 = private unnamed_addr constant [7 x i8] c"params\00"
-@.str.6766 = private unnamed_addr constant [3 x i8] c"id\00"
-@.str.6767 = private unnamed_addr constant [11 x i8] c"initialize\00"
-@.str.6768 = private unnamed_addr constant [17 x i8] c"textDocumentSync\00"
-@.str.6769 = private unnamed_addr constant [14 x i8] c"hoverProvider\00"
-@.str.6770 = private unnamed_addr constant [19 x i8] c"definitionProvider\00"
-@.str.6771 = private unnamed_addr constant [23 x i8] c"documentSymbolProvider\00"
-@.str.6772 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6773 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
-@.str.6774 = private unnamed_addr constant [19 x i8] c"completionProvider\00"
-@.str.6775 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.6776 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.6777 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
-@.str.6778 = private unnamed_addr constant [22 x i8] c"signatureHelpProvider\00"
-@.str.6779 = private unnamed_addr constant [13 x i8] c"capabilities\00"
-@.str.6780 = private unnamed_addr constant [5 x i8] c"name\00"
-@.str.6781 = private unnamed_addr constant [6 x i8] c"finch\00"
-@.str.6782 = private unnamed_addr constant [11 x i8] c"serverInfo\00"
-@.str.6783 = private unnamed_addr constant [9 x i8] c"shutdown\00"
-@.str.6784 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.6785 = private unnamed_addr constant [21 x i8] c"textDocument/didOpen\00"
-@.str.6786 = private unnamed_addr constant [23 x i8] c"textDocument/didChange\00"
-@.str.6787 = private unnamed_addr constant [15 x i8] c"contentChanges\00"
-@.str.6788 = private unnamed_addr constant [5 x i8] c"text\00"
-@.str.6789 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6790 = private unnamed_addr constant [21 x i8] c"textDocument/didSave\00"
-@.str.6791 = private unnamed_addr constant [22 x i8] c"textDocument/didClose\00"
-@.str.6792 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6793 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
-@.str.6794 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
-@.str.6795 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
-@.str.6796 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
-@.str.6797 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
-@.str.6798 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
-@.str.6799 = private unnamed_addr constant [27 x i8] c"textDocument/signatureHelp\00"
-@.str.6800 = private unnamed_addr constant [9 x i8] c"position\00"
-@.str.6801 = private unnamed_addr constant [5 x i8] c"line\00"
-@.str.6802 = private unnamed_addr constant [9 x i8] c"position\00"
-@.str.6803 = private unnamed_addr constant [10 x i8] c"character\00"
+@.str.6746 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6747 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6748 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6749 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6750 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6751 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6752 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6753 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6754 = private unnamed_addr constant [1 x i8] c"\00"
+declare i32 @getchar()
+@.str.6755 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6756 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6757 = private unnamed_addr constant [2 x i8] c"\0D\00"
+@.str.6758 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@stdin = external global ptr
+declare i32 @feof(ptr)
+@.str.6759 = private unnamed_addr constant [33 x i8] c"the editor closed the connection\00"
+@.str.6760 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6761 = private unnamed_addr constant [16 x i8] c"Content-Length:\00"
+@.str.6762 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6763 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6764 = private unnamed_addr constant [26 x i8] c"the message was cut short\00"
+@.str.6765 = private unnamed_addr constant [17 x i8] c"Content-Length: \00"
+@.str.6766 = private unnamed_addr constant [5 x i8] c"\0D\0A\0D\0A\00"
+@.str.6767 = private unnamed_addr constant [1 x i8] c"\00"
+@stdout = external global ptr
+declare i64 @fwrite(ptr, i64, i64, ptr)
+@.str.6768 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
+@.str.6769 = private unnamed_addr constant [4 x i8] c"2.0\00"
+@.str.6770 = private unnamed_addr constant [3 x i8] c"id\00"
+@.str.6771 = private unnamed_addr constant [7 x i8] c"result\00"
+@.str.6772 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
+@.str.6773 = private unnamed_addr constant [4 x i8] c"2.0\00"
+@.str.6774 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.6775 = private unnamed_addr constant [7 x i8] c"params\00"
+@.str.6776 = private unnamed_addr constant [5 x i8] c"line\00"
+@.str.6777 = private unnamed_addr constant [10 x i8] c"character\00"
+@.str.6778 = private unnamed_addr constant [6 x i8] c"start\00"
+@.str.6779 = private unnamed_addr constant [4 x i8] c"end\00"
+@.str.6780 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6781 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.6782 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6783 = private unnamed_addr constant [10 x i8] c": error: \00"
+@.str.6784 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6785 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6786 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6787 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.6788 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6789 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6790 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6791 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.6792 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6793 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6794 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6795 = private unnamed_addr constant [2 x i8] c"@\00"
+@.str.6796 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6797 = private unnamed_addr constant [3 x i8] c"@R\00"
+@.str.6798 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6799 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6800 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6801 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6802 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6803 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6804 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6805 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6806 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6807 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
-@.str.6808 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
-@.str.6809 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
-@.str.6810 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
-@.str.6811 = private unnamed_addr constant [16 x i8] c"/tmp/finch_lsp_\00"
-@.str.6812 = private unnamed_addr constant [9 x i8] c"rm -rf '\00"
-@.str.6813 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6814 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6815 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6816 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6817 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6818 = private unnamed_addr constant [3 x i8] c"\5C\22\00"
-@.str.6819 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
-@.str.6820 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
-@.str.6821 = private unnamed_addr constant [3 x i8] c"\5Cr\00"
-@.str.6822 = private unnamed_addr constant [3 x i8] c"\5Ct\00"
-@.str.6823 = private unnamed_addr constant [5 x i8] c"\5Cu00\00"
-@.str.6824 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6825 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6826 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
-@.str.6827 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6828 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6829 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6830 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.6831 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.6832 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6833 = private unnamed_addr constant [3 x i8] c": \00"
-@.str.6834 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6835 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6836 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.6837 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6838 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6839 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.6840 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6841 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6842 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.6843 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6844 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6845 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6846 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6847 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6848 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6849 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.6850 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6851 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6852 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.6853 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6854 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6855 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6856 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6857 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6858 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6859 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.6860 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6861 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6862 = private unnamed_addr constant [3 x i8] c"{}\00"
-@.str.6863 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6864 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6865 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.6866 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6867 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6868 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6869 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6870 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6871 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6872 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6873 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.6874 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6875 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
-@.str.6876 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6877 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6878 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6879 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.6880 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6881 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6882 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6883 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6884 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6885 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6886 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6887 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6888 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6889 = private unnamed_addr constant [6 x i8] c"line \00"
-@.str.6890 = private unnamed_addr constant [10 x i8] c", column \00"
-@.str.6891 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6892 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6893 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6894 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6895 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6896 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6897 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6898 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6899 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6900 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6901 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6902 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6903 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6904 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6905 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6906 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6907 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6908 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6909 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6910 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6911 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6912 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6913 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6914 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6915 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6916 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6917 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6918 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6919 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6920 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6921 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6922 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6923 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6924 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6925 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6926 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6927 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6928 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6929 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6930 = private unnamed_addr constant [27 x i8] c"json: the text ends where \00"
-@.str.6931 = private unnamed_addr constant [13 x i8] c" should be (\00"
-@.str.6932 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6933 = private unnamed_addr constant [14 x i8] c"json: found '\00"
-@.str.6934 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6935 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6936 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6937 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6938 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6939 = private unnamed_addr constant [9 x i8] c"' where \00"
-@.str.6940 = private unnamed_addr constant [13 x i8] c" should be (\00"
-@.str.6941 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6942 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6943 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6944 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6945 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6946 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6947 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6948 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6949 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6950 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6951 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6952 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6953 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6954 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6955 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6956 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6957 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6958 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6959 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6960 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6961 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6962 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6963 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6964 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6965 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6966 = private unnamed_addr constant [20 x i8] c"a hexadecimal digit\00"
-@.str.6967 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6968 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6969 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6970 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6971 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6972 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6973 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6974 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6975 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6976 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6977 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6978 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6979 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6980 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6981 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6982 = private unnamed_addr constant [31 x i8] c"json: a text is never closed (\00"
-@.str.6983 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6984 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6985 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6986 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6987 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6988 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6989 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6990 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6991 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6992 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6993 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6994 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6995 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6996 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6997 = private unnamed_addr constant [56 x i8] c"json: a line break or control character inside a text (\00"
-@.str.6998 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6999 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7000 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7001 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7002 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7003 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7004 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7005 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7006 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7007 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7008 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7009 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7010 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.7011 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.7012 = private unnamed_addr constant [2 x i8] c"\0D\00"
-@.str.7013 = private unnamed_addr constant [3 x i8] c"\5Cu\00"
-@.str.7014 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7015 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7016 = private unnamed_addr constant [23 x i8] c"json: unknown escape \5C\00"
-@.str.7017 = private unnamed_addr constant [13 x i8] c" in a text (\00"
-@.str.7018 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.7019 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7020 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7021 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7022 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7023 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7024 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7025 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7026 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7027 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7028 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.6805 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6806 = private unnamed_addr constant [3 x i8] c"@V\00"
+@.str.6807 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6808 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6809 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6810 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6811 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6812 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6813 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6814 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6815 = private unnamed_addr constant [3 x i8] c"@F\00"
+@.str.6816 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6817 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6818 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6819 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6820 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6821 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6822 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6823 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6824 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6825 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6826 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.6827 = private unnamed_addr constant [3 x i8] c"@S\00"
+@.str.6828 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6829 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6830 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6831 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6832 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6833 = private unnamed_addr constant [4 x i8] c"@SF\00"
+@.str.6834 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6835 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6836 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6837 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6838 = private unnamed_addr constant [3 x i8] c"@E\00"
+@.str.6839 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6840 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6841 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6842 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6843 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6844 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6845 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6846 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.6847 = private unnamed_addr constant [3 x i8] c"@I\00"
+@.str.6848 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6849 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6850 = private unnamed_addr constant [5 x i8] c"/doc\00"
+@.str.6851 = private unnamed_addr constant [5 x i8] c".fch\00"
+@.str.6852 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6853 = private unnamed_addr constant [12 x i8] c" --overlay \00"
+@.str.6854 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.6855 = private unnamed_addr constant [9 x i8] c"/out.txt\00"
+@.str.6856 = private unnamed_addr constant [8 x i8] c" index \00"
+@.str.6857 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6858 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6859 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6860 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6861 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.6862 = private unnamed_addr constant [9 x i8] c"severity\00"
+@.str.6863 = private unnamed_addr constant [7 x i8] c"source\00"
+@.str.6864 = private unnamed_addr constant [6 x i8] c"finch\00"
+@.str.6865 = private unnamed_addr constant [8 x i8] c"message\00"
+@.str.6866 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.6867 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
+@.str.6868 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
+@.str.6869 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6870 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6871 = private unnamed_addr constant [9 x i8] c"markdown\00"
+@.str.6872 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.6873 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6874 = private unnamed_addr constant [9 x i8] c"contents\00"
+@.str.6875 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6876 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6877 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.6878 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.6879 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6880 = private unnamed_addr constant [5 x i8] c"name\00"
+@.str.6881 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6882 = private unnamed_addr constant [6 x i8] c"start\00"
+@.str.6883 = private unnamed_addr constant [4 x i8] c"end\00"
+@.str.6884 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.6885 = private unnamed_addr constant [15 x i8] c"selectionRange\00"
+@.str.6886 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6887 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6888 = private unnamed_addr constant [7 x i8] c"detail\00"
+@.str.6889 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6890 = private unnamed_addr constant [9 x i8] c"markdown\00"
+@.str.6891 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.6892 = private unnamed_addr constant [14 x i8] c"documentation\00"
+@.str.6893 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6894 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6895 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6896 = private unnamed_addr constant [33 x i8] c"called .push() on a null pointer\00"
+@.str.6897 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6898 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6899 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6900 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6901 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6902 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6903 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6904 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6905 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.6906 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6907 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6908 = private unnamed_addr constant [8 x i8] c"struct \00"
+@.str.6909 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6910 = private unnamed_addr constant [6 x i8] c"enum \00"
+@.str.6911 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6912 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6913 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6914 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6915 = private unnamed_addr constant [3 x i8] c"[]\00"
+@.str.6916 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6917 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6918 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6919 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6920 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.6921 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6922 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.6923 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6924 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6925 = private unnamed_addr constant [3 x i8] c"[]\00"
+@.str.6926 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6927 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6928 = private unnamed_addr constant [5 x i8] c"map[\00"
+@.str.6929 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6930 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6931 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6932 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6933 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6934 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6935 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6936 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6937 = private unnamed_addr constant [8 x i8] c"struct \00"
+@.str.6938 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6939 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6940 = private unnamed_addr constant [6 x i8] c"enum \00"
+@.str.6941 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6942 = private unnamed_addr constant [7 x i8] c"module\00"
+@.str.6943 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6944 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6945 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6946 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6947 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6948 = private unnamed_addr constant [13 x i8] c"isIncomplete\00"
+@.str.6949 = private unnamed_addr constant [6 x i8] c"items\00"
+@.str.6950 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6951 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6952 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6953 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6954 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6955 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6956 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6957 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6958 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6959 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.6960 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6961 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.6962 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6963 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6964 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6965 = private unnamed_addr constant [11 x i8] c"parameters\00"
+@.str.6966 = private unnamed_addr constant [11 x i8] c"signatures\00"
+@.str.6967 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
+@.str.6968 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
+@.str.6969 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6970 = private unnamed_addr constant [14 x i8] c"documentation\00"
+@.str.6971 = private unnamed_addr constant [11 x i8] c"signatures\00"
+@.str.6972 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
+@.str.6973 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
+@.str.6974 = private unnamed_addr constant [13 x i8] c"textDocument\00"
+@.str.6975 = private unnamed_addr constant [5 x i8] c"text\00"
+@.str.6976 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6977 = private unnamed_addr constant [13 x i8] c"textDocument\00"
+@.str.6978 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.6979 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6980 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.6981 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6982 = private unnamed_addr constant [7 x i8] c"params\00"
+@.str.6983 = private unnamed_addr constant [3 x i8] c"id\00"
+@.str.6984 = private unnamed_addr constant [11 x i8] c"initialize\00"
+@.str.6985 = private unnamed_addr constant [17 x i8] c"textDocumentSync\00"
+@.str.6986 = private unnamed_addr constant [14 x i8] c"hoverProvider\00"
+@.str.6987 = private unnamed_addr constant [19 x i8] c"definitionProvider\00"
+@.str.6988 = private unnamed_addr constant [23 x i8] c"documentSymbolProvider\00"
+@.str.6989 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6990 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
+@.str.6991 = private unnamed_addr constant [19 x i8] c"completionProvider\00"
+@.str.6992 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.6993 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.6994 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
+@.str.6995 = private unnamed_addr constant [22 x i8] c"signatureHelpProvider\00"
+@.str.6996 = private unnamed_addr constant [13 x i8] c"capabilities\00"
+@.str.6997 = private unnamed_addr constant [5 x i8] c"name\00"
+@.str.6998 = private unnamed_addr constant [6 x i8] c"finch\00"
+@.str.6999 = private unnamed_addr constant [11 x i8] c"serverInfo\00"
+@.str.7000 = private unnamed_addr constant [9 x i8] c"shutdown\00"
+@.str.7001 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.7002 = private unnamed_addr constant [21 x i8] c"textDocument/didOpen\00"
+@.str.7003 = private unnamed_addr constant [23 x i8] c"textDocument/didChange\00"
+@.str.7004 = private unnamed_addr constant [15 x i8] c"contentChanges\00"
+@.str.7005 = private unnamed_addr constant [5 x i8] c"text\00"
+@.str.7006 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7007 = private unnamed_addr constant [21 x i8] c"textDocument/didSave\00"
+@.str.7008 = private unnamed_addr constant [22 x i8] c"textDocument/didClose\00"
+@.str.7009 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.7010 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
+@.str.7011 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
+@.str.7012 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
+@.str.7013 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
+@.str.7014 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
+@.str.7015 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
+@.str.7016 = private unnamed_addr constant [27 x i8] c"textDocument/signatureHelp\00"
+@.str.7017 = private unnamed_addr constant [9 x i8] c"position\00"
+@.str.7018 = private unnamed_addr constant [5 x i8] c"line\00"
+@.str.7019 = private unnamed_addr constant [9 x i8] c"position\00"
+@.str.7020 = private unnamed_addr constant [10 x i8] c"character\00"
+@.str.7021 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.7022 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7023 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.7024 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
+@.str.7025 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
+@.str.7026 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
+@.str.7027 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
+@.str.7028 = private unnamed_addr constant [12 x i8] c"/finch_lsp_\00"
 @.str.7029 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7030 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7030 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
 @.str.7031 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7032 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7033 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7034 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7035 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7036 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7037 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7038 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7039 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7040 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7041 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7042 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7043 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7044 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7045 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7046 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7047 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7048 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7032 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.7033 = private unnamed_addr constant [3 x i8] c"\5C\22\00"
+@.str.7034 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
+@.str.7035 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
+@.str.7036 = private unnamed_addr constant [3 x i8] c"\5Cr\00"
+@.str.7037 = private unnamed_addr constant [3 x i8] c"\5Ct\00"
+@.str.7038 = private unnamed_addr constant [5 x i8] c"\5Cu00\00"
+@.str.7039 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.7040 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7041 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
+@.str.7042 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7043 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7044 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7045 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.7046 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.7047 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.7048 = private unnamed_addr constant [3 x i8] c": \00"
 @.str.7049 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7050 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7051 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7052 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7053 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7054 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7055 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7056 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7057 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7050 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7051 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.7052 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7053 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7054 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.7055 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7056 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7057 = private unnamed_addr constant [6 x i8] c"false\00"
 @.str.7058 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7059 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7060 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7061 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7062 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7063 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7064 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7065 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7066 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7067 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7059 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7060 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7061 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7062 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7063 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7064 = private unnamed_addr constant [3 x i8] c"[]\00"
+@.str.7065 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7066 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7067 = private unnamed_addr constant [2 x i8] c"[\00"
 @.str.7068 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7069 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7070 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7071 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7072 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7073 = private unnamed_addr constant [9 x i8] c"a number\00"
-@.str.7074 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7075 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7076 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7077 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7078 = private unnamed_addr constant [8 x i8] c"a value\00"
-@.str.7079 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7080 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7069 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7070 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7071 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7072 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7073 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7074 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.7075 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7076 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7077 = private unnamed_addr constant [3 x i8] c"{}\00"
+@.str.7078 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7079 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7080 = private unnamed_addr constant [2 x i8] c"{\00"
 @.str.7081 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7082 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7083 = private unnamed_addr constant [16 x i8] c"a key in quotes\00"
-@.str.7084 = private unnamed_addr constant [4 x i8] c"':'\00"
+@.str.7082 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7083 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7084 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7085 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7086 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7087 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7088 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7086 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7087 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7088 = private unnamed_addr constant [2 x i8] c"}\00"
 @.str.7089 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7090 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7091 = private unnamed_addr constant [11 x i8] c"',' or '}'\00"
-@.str.7092 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7093 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7094 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7095 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7096 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7097 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7098 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7099 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7100 = private unnamed_addr constant [11 x i8] c"',' or ']'\00"
-@.str.7101 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.7102 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.7103 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.7104 = private unnamed_addr constant [8 x i8] c"a value\00"
-@.str.7105 = private unnamed_addr constant [20 x i8] c"the end of the text\00"
+@.str.7090 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
+@.str.7091 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7092 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7093 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7094 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.7095 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7096 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7097 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7098 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7099 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7100 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7101 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7102 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7103 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7104 = private unnamed_addr constant [6 x i8] c"line \00"
+@.str.7105 = private unnamed_addr constant [10 x i8] c", column \00"
+@.str.7106 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7107 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7108 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7109 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7110 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7111 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7112 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7113 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7114 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7115 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7116 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7117 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7118 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7119 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7120 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7121 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7122 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7123 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7124 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7125 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7126 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7127 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7128 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7129 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7130 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7131 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7132 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7133 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7134 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7135 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7136 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7137 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7138 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7139 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7140 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7141 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7142 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7143 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7144 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7145 = private unnamed_addr constant [27 x i8] c"json: the text ends where \00"
+@.str.7146 = private unnamed_addr constant [13 x i8] c" should be (\00"
+@.str.7147 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7148 = private unnamed_addr constant [14 x i8] c"json: found '\00"
+@.str.7149 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7150 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7151 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7152 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7153 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7154 = private unnamed_addr constant [9 x i8] c"' where \00"
+@.str.7155 = private unnamed_addr constant [13 x i8] c" should be (\00"
+@.str.7156 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7157 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7158 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7159 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7160 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7161 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7162 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7163 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7164 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7165 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7166 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7167 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7168 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.7169 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.7170 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7171 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7172 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7173 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7174 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7175 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7176 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7177 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7178 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7179 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7180 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7181 = private unnamed_addr constant [20 x i8] c"a hexadecimal digit\00"
+@.str.7182 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7183 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7184 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7185 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7186 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7187 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7188 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7189 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7190 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7191 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7192 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7193 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7194 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7195 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7196 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7197 = private unnamed_addr constant [31 x i8] c"json: a text is never closed (\00"
+@.str.7198 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7199 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7200 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7201 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7202 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7203 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7204 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7205 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7206 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7207 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7208 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7209 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7210 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7211 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7212 = private unnamed_addr constant [56 x i8] c"json: a line break or control character inside a text (\00"
+@.str.7213 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7214 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7215 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7216 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7217 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7218 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7219 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7220 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7221 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7222 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7223 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7224 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7225 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.7226 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.7227 = private unnamed_addr constant [2 x i8] c"\0D\00"
+@.str.7228 = private unnamed_addr constant [3 x i8] c"\5Cu\00"
+@.str.7229 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7230 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7231 = private unnamed_addr constant [23 x i8] c"json: unknown escape \5C\00"
+@.str.7232 = private unnamed_addr constant [13 x i8] c" in a text (\00"
+@.str.7233 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7234 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7235 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7236 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7237 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7238 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7239 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7240 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7241 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7242 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7243 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7244 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7245 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7246 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7247 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7248 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7249 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7250 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7251 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7252 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7253 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7254 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7255 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7256 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7257 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7258 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7259 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7260 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7261 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7262 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7263 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7264 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7265 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7266 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7267 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7268 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7269 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7270 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7271 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7272 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7273 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7274 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7275 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7276 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7277 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7278 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7279 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7280 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7281 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7282 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7283 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7284 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7285 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7286 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7287 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7288 = private unnamed_addr constant [9 x i8] c"a number\00"
+@.str.7289 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7290 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7291 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7292 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7293 = private unnamed_addr constant [8 x i8] c"a value\00"
+@.str.7294 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7295 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7296 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7297 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7298 = private unnamed_addr constant [16 x i8] c"a key in quotes\00"
+@.str.7299 = private unnamed_addr constant [4 x i8] c"':'\00"
+@.str.7300 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7301 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7302 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7303 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7304 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7305 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7306 = private unnamed_addr constant [11 x i8] c"',' or '}'\00"
+@.str.7307 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7308 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7309 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7310 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7311 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7312 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7313 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7314 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7315 = private unnamed_addr constant [11 x i8] c"',' or ']'\00"
+@.str.7316 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.7317 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.7318 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.7319 = private unnamed_addr constant [8 x i8] c"a value\00"
+@.str.7320 = private unnamed_addr constant [20 x i8] c"the end of the text\00"
+@.str.7321 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
+@.str.7322 = private unnamed_addr constant [13 x i8] c"std/json.fch\00"
+@.str.7323 = private unnamed_addr constant [13 x i8] c"std/path.fch\00"
+@.str.7324 = private unnamed_addr constant [13 x i8] c"std/proc.fch\00"
+@.str.7325 = private unnamed_addr constant [21 x i8] c"std/proc_windows.fch\00"
+@.str.7326 = private unnamed_addr constant [13 x i8] c"std/time.fch\00"
+@.str.7327 = private unnamed_addr constant [21 x i8] c"std/time_windows.fch\00"
+@.str.7328 = private unnamed_addr constant [16 x i8] c"std/finch_win.h\00"
+@.str.7329 = private unnamed_addr constant [24982 x i8] c"// The Finch runtime: string and array helpers, input, files and runtime errors.\0A// It is embedded in the compiler, compiled once into a cache folder, and linked\0A// statically into every Finch program. Everything here is plain C with no state.\0A//\0A// Layout shared with the compiler (src/codegen.cpp):\0A//   str  = { char *ptr; int64 len; int64 cap }   ptr is always NUL-terminated\0A//          cap > 0  : heap memory owned by the value (cap bytes allocated)\0A//          cap == 0 : a string literal, valid forever, never written to\0A//          cap == -1: borrowed from C, must be copied before it is kept\0A//   []T  = { T *ptr;   int64 len; int64 cap }    owns ptr when cap > 0\0A//   map[K]V: see \22maps\22 below\0A\0A#include <ctype.h>\0A#include <errno.h>\0A#include <stdarg.h>\0A#include <stdint.h>\0A#include <stdio.h>\0A#include <stdlib.h>\0A#include <string.h>\0A#ifndef _WIN32\0A#include <sys/wait.h>\0A#endif\0A\0Atypedef struct {\0A    char *ptr;\0A    int64_t len;\0A    int64_t cap;\0A} FStr;\0A\0Atypedef struct {\0A    void *ptr;\0A    int64_t len;\0A    int64_t cap;\0A} FArr;\0A\0Astatic char empty[1] = \22\22;\0A\0A// ---------- runtime errors ----------\0A\0A// A program that loads Finch libraries (finch build --shared) can take runtime errors over\0A// instead of the process exiting: finch_module_on_fatal(handler) in each library. The handler\0A// gets the message and must not return (longjmp out, or exit itself).\0Astatic void (*fatal_hook)(const char *msg);\0Avoid finch_on_fatal(void (*hook)(const char *msg)) { fatal_hook = hook; }\0A\0Astatic __attribute__((noreturn)) void fatal(const char *msg) {\0A    if (fatal_hook) fatal_hook(msg);\0A    fflush(stdout);\0A    fprintf(stderr, \22%s\5Cn\22, msg);\0A    exit(1);\0A}\0A\0A__attribute__((noreturn, cold)) void finch_panic(const char *file, int64_t line, const char *msg) {\0A    char full[1024];\0A    snprintf(full, sizeof full, \22%s:%lld: runtime error: %s\22, file, (long long)line, msg);\0A    fflush(stdout);\0A    fatal(full);\0A}\0A\0A__attribute__((noreturn, cold)) void finch_panic_index(const char *file, int64_t line, int64_t i, int64_t len) {\0A    char msg[128];\0A    snprintf(msg, sizeof msg, \22index %lld is out of range (the length is %lld)\22, (long long)i, (long long)len);\0A    finch_panic(file, line, msg);\0A}\0A\0Astatic void *must(void *p) {\0A    if (!p) {\0A        fflush(stdout);\0A        fatal(\22runtime error: out of memory\22);\0A    }\0A    return p;\0A}\0A\0Avoid *finch_alloc(int64_t n) { return must(malloc(n ? (size_t)n : 1)); }\0Avoid *finch_zalloc(int64_t n) { return must(calloc(1, n ? (size_t)n : 1)); }\0A\0A// ---------- strings ----------\0A\0Astatic void str_heap(FStr *out, const char *p, int64_t len) {\0A    char *m = finch_alloc(len + 1);\0A    if (len) memcpy(m, p, (size_t)len);\0A    m[len] = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Astatic void str_static(FStr *out, const char *lit) {\0A    out->ptr = (char *)lit;\0A    out->len = (int64_t)strlen(lit);\0A    out->cap = 0;\0A}\0A\0A// A copy that can be kept: literals are shared, everything else is duplicated.\0Avoid finch_str_copy(FStr *out, const FStr *s) {\0A    if (s->cap == 0) *out = *s;\0A    else str_heap(out, s->ptr, s->len);\0A}\0A\0A// Make `s` writable (before s[i] = c).\0Avoid finch_str_own(FStr *s) {\0A    if (s->cap > 0) return;\0A    FStr t;\0A    str_heap(&t, s->ptr, s->len);\0A    *s = t;\0A}\0A\0Avoid finch_str_drop(FStr *s) {\0A    if (s->cap > 0) free(s->ptr);\0A}\0A\0Avoid finch_str_from_c(FStr *out, const char *p) {\0A    if (!p) {\0A        str_static(out, empty);\0A        return;\0A    }\0A    out->ptr = (char *)p;\0A    out->len = (int64_t)strlen(p);\0A    out->cap = -1;\0A}\0A\0Avoid finch_str_concat(FStr *out, const FStr *a, const FStr *b) {\0A    int64_t len = a->len + b->len;\0A    char *m = finch_alloc(len + 1);\0A    memcpy(m, a->ptr, (size_t)a->len);\0A    memcpy(m + a->len, b->ptr, (size_t)b->len);\0A    m[len] = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Aint finch_str_eq(const FStr *a, const FStr *b) {\0A    return a->len == b->len && memcmp(a->ptr, b->ptr, (size_t)a->len) == 0;\0A}\0A\0Aint64_t finch_str_cmp(const FStr *a, const FStr *b) {\0A    int64_t n = a->len < b->len ? a->len : b->len;\0A    int c = memcmp(a->ptr, b->ptr, (size_t)n);\0A    if (c) return c < 0 ? -1 : 1;\0A    return a->len < b->len ? -1 : a->len > b->len;\0A}\0A\0Avoid finch_str_from_int(FStr *out, int64_t v) {\0A    char buf[32];\0A    int n = snprintf(buf, sizeof buf, \22%lld\22, (long long)v);\0A    str_heap(out, buf, n);\0A}\0A\0Avoid finch_str_from_uint(FStr *out, uint64_t v) {\0A    char buf[32];\0A    int n = snprintf(buf, sizeof buf, \22%llu\22, (unsigned long long)v);\0A    str_heap(out, buf, n);\0A}\0A\0Avoid finch_str_from_float(FStr *out, double v) {\0A    char buf[64];\0A    int n = snprintf(buf, sizeof buf, \22%g\22, v);\0A    str_heap(out, buf, n);\0A}\0A\0Avoid finch_str_from_char(FStr *out, char c) { str_heap(out, &c, 1); }\0A\0Avoid finch_str_from_bool(FStr *out, int b) { str_static(out, b ? \22true\22 : \22false\22); }\0A\0Astatic void number_error(char *msg, size_t size, const FStr *s, const char *kind) {\0A    snprintf(msg, size, \22can't turn \5C\22%.*s\5C\22 into %s\22, (int)(s->len > 100 ? 100 : s->len), s->ptr ? s->ptr : \22\22, kind);\0A}\0A\0Astatic int parse_int(const FStr *s, int64_t *out) {\0A    const char *p = s->ptr ? s->ptr : \22\22;\0A    while (isspace((unsigned char)*p)) p++;\0A    char *end;\0A    errno = 0;\0A    long long v = strtoll(p, &end, 10);\0A    while (isspace((unsigned char)*end)) end++;\0A    *out = v;\0A    return !(end == p || *end || errno == ERANGE);\0A}\0A\0Astatic int parse_float(const FStr *s, double *out) {\0A    const char *p = s->ptr ? s->ptr : \22\22;\0A    while (isspace((unsigned char)*p)) p++;\0A    char *end;\0A    double v = strtod(p, &end);\0A    while (isspace((unsigned char)*end)) end++;\0A    *out = v;\0A    return !(end == p || *end);\0A}\0A\0Aint64_t finch_str_to_int(const FStr *s, const char *file, int64_t line) {\0A    int64_t v;\0A    if (!parse_int(s, &v)) {\0A        char msg[200];\0A        number_error(msg, sizeof msg, s, \22int\22);\0A        finch_panic(file, line, msg);\0A    }\0A    return v;\0A}\0A\0Adouble finch_str_to_float(const FStr *s, const char *file, int64_t line) {\0A    double v;\0A    if (!parse_float(s, &v)) {\0A        char msg[200];\0A        number_error(msg, sizeof msg, s, \22float\22);\0A        finch_panic(file, line, msg);\0A    }\0A    return v;\0A}\0A\0A// ---------- errors as values: int(s) or 0, try read_file(p) ... ----------\0A// Each gives back 1 on success; on failure 0, with the message in *err.\0A\0Astatic void set_error(FStr *err, const char *msg) { str_heap(err, msg, (int64_t)strlen(msg)); }\0A\0Aint finch_str_try_int(const FStr *s, int64_t *out, FStr *err) {\0A    if (parse_int(s, out)) return 1;\0A    char msg[200];\0A    number_error(msg, sizeof msg, s, \22int\22);\0A    set_error(err, msg);\0A    *out = 0;\0A    return 0;\0A}\0A\0Aint finch_str_try_float(const FStr *s, double *out, FStr *err) {\0A    if (parse_float(s, out)) return 1;\0A    char msg[200];\0A    number_error(msg, sizeof msg, s, \22float\22);\0A    set_error(err, msg);\0A    *out = 0;\0A    return 0;\0A}\0A\0Astatic void file_error(FStr *err, const char *what, const FStr *path) {\0A    char msg[300];\0A    snprintf(msg, sizeof msg, \22can't %s the file \5C\22%.*s\5C\22: %s\22, what, (int)(path->len > 200 ? 200 : path->len),\0A             path->ptr ? path->ptr : \22\22, strerror(errno));\0A    set_error(err, msg);\0A}\0A\0A// when `fn main() -> !` fails\0Avoid finch_report_error(const FStr *msg) {\0A    fflush(stdout);\0A    fprintf(stderr, \22error: %.*s\5Cn\22, (int)msg->len, msg->ptr ? msg->ptr : \22\22);\0A}\0A\0Avoid finch_str_sub(FStr *out, const FStr *s, int64_t start, int64_t end, const char *file, int64_t line) {\0A    if (start < 0 || end > s->len || start > end) {\0A        char msg[160];\0A        snprintf(msg, sizeof msg, \22sub(%lld, %lld) is out of range (the length is %lld)\22, (long long)start,\0A                 (long long)end, (long long)s->len);\0A        finch_panic(file, line, msg);\0A    }\0A    str_heap(out, s->ptr + start, end - start);\0A}\0A\0Aint64_t finch_str_find(const FStr *s, const FStr *t) {\0A    if (t->len == 0) return 0;\0A    for (int64_t i = 0; i + t->len <= s->len; i++)\0A        if (s->ptr[i] == t->ptr[0] && memcmp(s->ptr + i, t->ptr, (size_t)t->len) == 0) return i;\0A    return -1;\0A}\0A\0Aint finch_str_starts(const FStr *s, const FStr *t) {\0A    return t->len <= s->len && memcmp(s->ptr, t->ptr, (size_t)t->len) == 0;\0A}\0A\0Aint finch_str_ends(const FStr *s, const FStr *t) {\0A    return t->len <= s->len && memcmp(s->ptr + s->len - t->len, t->ptr, (size_t)t->len) == 0;\0A}\0A\0Avoid finch_str_trim(FStr *out, const FStr *s) {\0A    int64_t a = 0, b = s->len;\0A    while (a < b && isspace((unsigned char)s->ptr[a])) a++;\0A    while (b > a && isspace((unsigned char)s->ptr[b - 1])) b--;\0A    str_heap(out, s->ptr + a, b - a);\0A}\0A\0Avoid finch_str_upper(FStr *out, const FStr *s) {\0A    str_heap(out, s->ptr, s->len);\0A    for (int64_t i = 0; i < out->len; i++) out->ptr[i] = (char)toupper((unsigned char)out->ptr[i]);\0A}\0A\0Avoid finch_str_lower(FStr *out, const FStr *s) {\0A    str_heap(out, s->ptr, s->len);\0A    for (int64_t i = 0; i < out->len; i++) out->ptr[i] = (char)tolower((unsigned char)out->ptr[i]);\0A}\0A\0Avoid finch_str_replace(FStr *out, const FStr *s, const FStr *from, const FStr *to) {\0A    if (from->len == 0) {\0A        str_heap(out, s->ptr, s->len);\0A        return;\0A    }\0A    int64_t count = 0;\0A    for (int64_t i = 0; i + from->len <= s->len;) {\0A        if (memcmp(s->ptr + i, from->ptr, (size_t)from->len) == 0) {\0A            count++;\0A            i += from->len;\0A        } else {\0A            i++;\0A        }\0A    }\0A    int64_t len = s->len + count * (to->len - from->len);\0A    char *m = finch_alloc(len + 1), *w = m;\0A    for (int64_t i = 0; i < s->len;) {\0A        if (i + from->len <= s->len && memcmp(s->ptr + i, from->ptr, (size_t)from->len) == 0) {\0A            memcpy(w, to->ptr, (size_t)to->len);\0A            w += to->len;\0A            i += from->len;\0A        } else {\0A            *w++ = s->ptr[i++];\0A        }\0A    }\0A    *w = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Astatic void arr_push_str(FArr *a, const char *p, int64_t len);\0A\0A// \22a,b,,c\22.split(\22,\22) -> [\22a\22, \22b\22, \22\22, \22c\22]; split(\22\22) gives single characters.\0Avoid finch_str_split(FArr *out, const FStr *s, const FStr *sep) {\0A    out->ptr = NULL;\0A    out->len = out->cap = 0;\0A    if (sep->len == 0) {\0A        for (int64_t i = 0; i < s->len; i++) arr_push_str(out, s->ptr + i, 1);\0A        return;\0A    }\0A    int64_t start = 0;\0A    for (int64_t i = 0; i + sep->len <= s->len;) {\0A        if (memcmp(s->ptr + i, sep->ptr, (size_t)sep->len) == 0) {\0A            arr_push_str(out, s->ptr + start, i - start);\0A            i += sep->len;\0A            start = i;\0A        } else {\0A            i++;\0A        }\0A    }\0A    arr_push_str(out, s->ptr + start, s->len - start);\0A}\0A\0Avoid finch_str_join(FStr *out, const FArr *parts, const FStr *sep) {\0A    const FStr *p = parts->ptr;\0A    int64_t len = 0;\0A    for (int64_t i = 0; i < parts->len; i++) len += p[i].len + (i ? sep->len : 0);\0A    char *m = finch_alloc(len + 1), *w = m;\0A    for (int64_t i = 0; i < parts->len; i++) {\0A        if (i) {\0A            memcpy(w, sep->ptr, (size_t)sep->len);\0A            w += sep->len;\0A        }\0A        memcpy(w, p[i].ptr, (size_t)p[i].len);\0A        w += p[i].len;\0A    }\0A    *w = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Avoid finch_str_repeat(FStr *out, const FStr *s, int64_t n) {\0A    if (n < 0) n = 0;\0A    int64_t len = s->len * n;\0A    char *m = finch_alloc(len + 1);\0A    for (int64_t i = 0; i < n; i++) memcpy(m + i * s->len, s->ptr, (size_t)s->len);\0A    m[len] = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Avoid finch_str_from_bytes(FStr *out, const FArr *bytes) { str_heap(out, bytes->ptr, bytes->len); }\0A\0A// ---------- building text: print(x) and str(x) of arrays, maps and structs ----------\0A// A buffer starts as an empty str and grows on the heap.\0A\0Avoid finch_buf_add(FStr *b, const char *p, int64_t n) {\0A    if (b->len + n + 1 > b->cap) {\0A        int64_t cap = b->cap > 0 ? b->cap * 2 : 32;\0A        while (cap < b->len + n + 1) cap *= 2;\0A        b->ptr = must(realloc(b->cap > 0 ? b->ptr : NULL, (size_t)cap));\0A        b->cap = cap;\0A    }\0A    if (n) memcpy(b->ptr + b->len, p, (size_t)n);\0A    b->len += n;\0A    b->ptr[b->len] = 0;\0A}\0A\0Astatic void buf_fmt(FStr *b, const char *fmt, ...) __attribute__((format(printf, 2, 3)));\0Astatic void buf_fmt(FStr *b, const char *fmt, ...) {\0A    char t[64];\0A    va_list ap;\0A    va_start(ap, fmt);\0A    int n = vsnprintf(t, sizeof t, fmt, ap);\0A    va_end(ap);\0A    finch_buf_add(b, t, n);\0A}\0A\0Avoid finch_buf_int(FStr *b, int64_t v) { buf_fmt(b, \22%lld\22, (long long)v); }\0Avoid finch_buf_uint(FStr *b, uint64_t v) { buf_fmt(b, \22%llu\22, (unsigned long long)v); }\0Avoid finch_buf_float(FStr *b, double v) { buf_fmt(b, \22%g\22, v); }\0Avoid finch_buf_bool(FStr *b, int v) { finch_buf_add(b, v ? \22true\22 : \22false\22, v ? 4 : 5); }\0Avoid finch_buf_ptr(FStr *b, const void *p) {\0A    if (p) buf_fmt(b, \220x%llx\22, (unsigned long long)(uintptr_t)p);\0A    else finch_buf_add(b, \22null\22, 4);\0A}\0A\0Avoid finch_buf_char(FStr *b, char c, int quoted) {\0A    if (quoted) finch_buf_add(b, \22'\22, 1);\0A    finch_buf_add(b, &c, 1);\0A    if (quoted) finch_buf_add(b, \22'\22, 1);\0A}\0A\0Avoid finch_buf_str(FStr *b, const FStr *s, int quoted) {\0A    if (quoted) finch_buf_add(b, \22\5C\22\22, 1);\0A    finch_buf_add(b, s->ptr, s->len);\0A    if (quoted) finch_buf_add(b, \22\5C\22\22, 1);\0A}\0A\0A// print the buffer and free it\0Avoid finch_buf_print(FStr *b) {\0A    if (b->len) fwrite(b->ptr, 1, (size_t)b->len, stdout);\0A    if (b->cap > 0) free(b->ptr);\0A}\0A\0A// ---------- arrays ----------\0A\0Avoid finch_arr_reserve(FArr *a, int64_t need, int64_t es) {\0A    if (need <= a->cap) return;\0A    int64_t cap = a->cap * 2;\0A    if (cap < 4) cap = 4;\0A    if (cap < need) cap = need;\0A    a->ptr = must(realloc(a->cap > 0 ? a->ptr : NULL, (size_t)(cap * es)));\0A    a->cap = cap;\0A}\0A\0Avoid finch_arr_make(FArr *out, int64_t len, int64_t es) {\0A    if (len < 0) len = 0;\0A    out->ptr = len ? finch_zalloc(len * es) : NULL;\0A    out->len = len;\0A    out->cap = len;\0A}\0A\0A// grow or shrink to `len`; new elements are zero\0Avoid finch_arr_resize(FArr *a, int64_t len, int64_t es) {\0A    if (len < 0) len = 0;\0A    finch_arr_reserve(a, len, es);\0A    if (len > a->len) memset((char *)a->ptr + a->len * es, 0, (size_t)((len - a->len) * es));\0A    a->len = len;\0A}\0A\0A// a byte-for-byte copy of the elements (the compiler deep-copies owning elements afterwards)\0Avoid finch_arr_clone_raw(FArr *out, const FArr *a, int64_t es) {\0A    out->len = a->len;\0A    out->cap = a->len;\0A    out->ptr = a->len ? finch_alloc(a->len * es) : NULL;\0A    if (a->len) memcpy(out->ptr, a->ptr, (size_t)(a->len * es));\0A}\0A\0Avoid finch_arr_free(FArr *a) {\0A    if (a->cap > 0) free(a->ptr);\0A}\0A\0A// open a hole at i (0 <= i <= len), len grows by one\0Avoid finch_arr_insert_gap(FArr *a, int64_t i, int64_t es, const char *file, int64_t line) {\0A    if (i < 0 || i > a->len) finch_panic_index(file, line, i, a->len);\0A    finch_arr_reserve(a, a->len + 1, es);\0A    char *p = a->ptr;\0A    memmove(p + (i + 1) * es, p + i * es, (size_t)((a->len - i) * es));\0A    a->len++;\0A}\0A\0A// close the hole at i (the element was already moved out), len shrinks by one\0Avoid finch_arr_remove_gap(FArr *a, int64_t i, int64_t es) {\0A    char *p = a->ptr;\0A    memmove(p + i * es, p + (i + 1) * es, (size_t)((a->len - i - 1) * es));\0A    a->len--;\0A}\0A\0Astatic void arr_push_str(FArr *a, const char *p, int64_t len) {\0A    finch_arr_reserve(a, a->len + 1, (int64_t)sizeof(FStr));\0A    str_heap((FStr *)a->ptr + a->len, p, len);\0A    a->len++;\0A}\0A\0Avoid finch_bytes_from_str(FArr *out, const FStr *s) {\0A    out->len = out->cap = s->len;\0A    out->ptr = s->len ? finch_alloc(s->len) : NULL;\0A    if (s->len) memcpy(out->ptr, s->ptr, (size_t)s->len);\0A}\0A\0A// ---------- program arguments, input and files ----------\0A\0Avoid finch_args(FArr *out, int argc, char **argv) {\0A    out->len = out->cap = argc;\0A    out->ptr = finch_alloc((int64_t)sizeof(FStr) * (argc ? argc : 1));\0A    for (int i = 0; i < argc; i++) str_heap((FStr *)out->ptr + i, argv[i], (int64_t)strlen(argv[i]));\0A}\0A\0A// input(\22Name? \22) prints the prompt and reads one line, without the newline.\0Avoid finch_input(FStr *out, const FStr *prompt) {\0A    if (prompt->len) fwrite(prompt->ptr, 1, (size_t)prompt->len, stdout);\0A    fflush(stdout);\0A    // read one line of any length (getline isn't available everywhere)\0A    size_t size = 128, n = 0;\0A    char *line = finch_alloc((int64_t)size);\0A    int c, got = 0;\0A    while ((c = fgetc(stdin)) != EOF) {\0A        got = 1;\0A        if (c == '\5Cn') break;\0A        if (n + 1 >= size) line = must(realloc(line, size *= 2));\0A        line[n++] = (char)c;\0A    }\0A    if (!got) {\0A        free(line);\0A        str_static(out, empty);\0A        return;\0A    }\0A    while (n > 0 && line[n - 1] == '\5Cr') n--;\0A    line[n] = 0;\0A    out->ptr = line;\0A    out->len = (int64_t)n;\0A    out->cap = (int64_t)size;\0A}\0A\0Aint finch_file_exists(const FStr *path) {\0A    FILE *f = fopen(path->ptr, \22rb\22);\0A    if (f) fclose(f);\0A    return f != NULL;\0A}\0A\0Aint finch_try_read_file(FStr *out, const FStr *path, FStr *err) {\0A    FILE *f = fopen(path->ptr ? path->ptr : \22\22, \22rb\22);\0A    if (!f) {\0A        file_error(err, \22read\22, path);\0A        return 0;\0A    }\0A    fseek(f, 0, SEEK_END);\0A    long size = ftell(f);\0A    fseek(f, 0, SEEK_SET);\0A    char *m = finch_alloc(size + 1);\0A    size_t got = fread(m, 1, (size_t)size, f);\0A    fclose(f);\0A    m[got] = 0;\0A    out->ptr = m;\0A    out->len = (int64_t)got;\0A    out->cap = size + 1;\0A    return 1;\0A}\0A\0Avoid finch_read_file(FStr *out, const FStr *path, const char *file, int64_t line) {\0A    FILE *f = fopen(path->ptr ? path->ptr : \22\22, \22rb\22);\0A    if (!f) {\0A        char msg[300];\0A        snprintf(msg, sizeof msg, \22can't read the file \5C\22%.*s\5C\22: %s\22, (int)(path->len > 200 ? 200 : path->len),\0A                 path->ptr, strerror(errno));\0A        finch_panic(file, line, msg);\0A    }\0A    fseek(f, 0, SEEK_END);\0A    long size = ftell(f);\0A    fseek(f, 0, SEEK_SET);\0A    char *m = finch_alloc(size + 1);\0A    size_t got = fread(m, 1, (size_t)size, f);\0A    fclose(f);\0A    m[got] = 0;\0A    out->ptr = m;\0A    out->len = (int64_t)got;\0A    out->cap = size + 1;\0A}\0A\0A// shell(\22ls -l\22): run a command, give back its exit code\0Aint64_t finch_shell(const FStr *cmd) {\0A    fflush(stdout);\0A    int status = system(cmd->ptr ? cmd->ptr : \22\22);\0A#ifdef _WIN32\0A    return status;  // Windows gives the exit code directly\0A#else\0A    if (status == -1) return -1;\0A    if (WIFEXITED(status)) return WEXITSTATUS(status);\0A    return 128 + (WIFSIGNALED(status) ? WTERMSIG(status) : 0);\0A#endif\0A}\0A\0Aint finch_delete_file(const FStr *path) { return remove(path->ptr ? path->ptr : \22\22) == 0; }\0A\0Aint finch_try_delete_file(const FStr *path, FStr *err) {\0A    if (remove(path->ptr ? path->ptr : \22\22) == 0) return 1;\0A    file_error(err, \22delete\22, path);\0A    return 0;\0A}\0A\0A// stdin/stdout/stderr are macros on some systems (Windows), so Finch asks for them here\0Avoid *finch_std_stream(int i) { return i == 0 ? (void *)stdin : i == 1 ? (void *)stdout : (void *)stderr; }\0A\0Aint finch_write_file(const FStr *path, const FStr *text) {\0A    FILE *f = fopen(path->ptr ? path->ptr : \22\22, \22wb\22);\0A    if (!f) return 0;\0A    size_t put = text->len ? fwrite(text->ptr, 1, (size_t)text->len, f) : 0;\0A    return fclose(f) == 0 && put == (size_t)text->len;\0A}\0A\0Aint finch_try_write_file(const FStr *path, const FStr *text, FStr *err) {\0A    errno = 0;\0A    if (finch_write_file(path, text)) return 1;\0A    if (!errno) errno = EIO;\0A    file_error(err, \22write\22, path);\0A    return 0;\0A}\0A\0A// ---------- maps ----------\0A// map[K]V = { entries; len; used; cap; index; icap; adds }\0A//   entries: `used` slots of es bytes, each { uint64 hash; K key; V value }, in insertion order.\0A//            A removed entry keeps its slot (hash 0) until the next resize packs the slots.\0A//   index:   icap slots (a power of two, at least 2 * cap): -1 empty, -2 removed, else an entry number.\0A//   adds:    how many keys were ever added; a `for` over the map stops with an error if it changes.\0A// The compiler stores, copies and drops keys and values; the runtime only finds and places entries.\0A// Keys are compared byte for byte (numbers, chars, bools) or as text (kstr).\0A\0Atypedef struct {\0A    char *entries;\0A    int64_t len, used, cap;\0A    int64_t *index;\0A    int64_t icap;\0A    int64_t adds;\0A} FMap;\0A\0Astatic uint64_t map_hash(const void *key, int64_t ks, int kstr) {\0A    const unsigned char *p;\0A    size_t n;\0A    if (kstr) {\0A        const FStr *s = key;\0A        p = (const unsigned char *)s->ptr;\0A        n = (size_t)s->len;\0A    } else {\0A        p = key;\0A        n = (size_t)ks;\0A    }\0A    uint64_t h = 1469598103934665603ULL;  // FNV-1a, then mixed so the low bits spread well\0A    for (size_t i = 0; i < n; i++) {\0A        h ^= p[i];\0A        h *= 1099511628211ULL;\0A    }\0A    h ^= h >> 31;\0A    h *= 0xbf58476d1ce4e5b9ULL;\0A    h ^= h >> 29;\0A    return h | 1;  // 0 marks a removed entry\0A}\0A\0Astatic int map_key_eq(const char *a, const void *b, int64_t ks, int kstr) {\0A    if (!kstr) return memcmp(a, b, (size_t)ks) == 0;\0A    const FStr *x = (const FStr *)a, *y = b;\0A    return x->len == y->len && (x->len == 0 || memcmp(x->ptr, y->ptr, (size_t)x->len) == 0);\0A}\0A\0Astatic void map_reindex(FMap *m, int64_t es) {\0A    if (m->len != m->used) {  // pack the slots of removed entries away\0A        int64_t j = 0;\0A        for (int64_t i = 0; i < m->used; i++) {\0A            char *e = m->entries + i * es;\0A            if (*(uint64_t *)e == 0) continue;\0A            if (i != j) memmove(m->entries + j * es, e, (size_t)es);\0A            j++;\0A        }\0A        m->used = j;\0A    }\0A    int64_t icap = 16;\0A    while (icap < m->cap * 2) icap *= 2;\0A    free(m->index);\0A    m->index = finch_alloc(icap * (int64_t)sizeof(int64_t));\0A    memset(m->index, 0xff, (size_t)icap * sizeof(int64_t));\0A    m->icap = icap;\0A    for (int64_t i = 0; i < m->used; i++) {\0A        uint64_t h = *(uint64_t *)(m->entries + i * es);\0A        int64_t s = (int64_t)(h & (uint64_t)(icap - 1));\0A        while (m->index[s] != -1) s = (s + 1) & (icap - 1);\0A        m->index[s] = i;\0A    }\0A}\0A\0A// the entry number of `key`, or -1\0Aint64_t finch_map_find(const FMap *m, const void *key, int64_t es, int64_t ks, int32_t kstr) {\0A    if (m->len == 0) return -1;\0A    uint64_t h = map_hash(key, ks, kstr);\0A    for (int64_t s = (int64_t)(h & (uint64_t)(m->icap - 1));; s = (s + 1) & (m->icap - 1)) {\0A        int64_t i = m->index[s];\0A        if (i == -1) return -1;\0A        if (i < 0) continue;\0A        char *e = m->entries + i * es;\0A        if (*(uint64_t *)e == h && map_key_eq(e + 8, key, ks, kstr)) return i;\0A    }\0A}\0A\0A// The entry for `key`. A new one is zeroed except its hash (*added = 1); the compiler then stores the key.\0Aint64_t finch_map_slot(FMap *m, const void *key, int64_t es, int64_t ks, int32_t kstr, int32_t *added) {\0A    int64_t i = finch_map_find(m, key, es, ks, kstr);\0A    *added = i < 0;\0A    if (i >= 0) return i;\0A    if (m->used == m->cap) {\0A        if (m->len * 4 < m->cap * 3) {  // many removed slots: pack them instead of growing\0A            map_reindex(m, es);\0A        } else {\0A            m->cap = m->cap ? m->cap * 2 : 8;\0A            m->entries = must(realloc(m->entries, (size_t)(m->cap * es)));\0A            map_reindex(m, es);\0A        }\0A    }\0A    uint64_t h = map_hash(key, ks, kstr);\0A    i = m->used++;\0A    char *e = m->entries + i * es;\0A    memset(e, 0, (size_t)es);\0A    *(uint64_t *)e = h;\0A    int64_t s = (int64_t)(h & (uint64_t)(m->icap - 1));\0A    while (m->index[s] >= 0) s = (s + 1) & (m->icap - 1);\0A    m->index[s] = i;\0A    m->len++;\0A    m->adds++;\0A    return i;\0A}\0A\0A// Forget entry i (its key and value were already dropped by the compiler).\0Avoid finch_map_remove_at(FMap *m, int64_t i, int64_t es) {\0A    char *e = m->entries + i * es;\0A    uint64_t h = *(uint64_t *)e;\0A    int64_t s = (int64_t)(h & (uint64_t)(m->icap - 1));\0A    while (m->index[s] != i) s = (s + 1) & (m->icap - 1);\0A    m->index[s] = -2;\0A    *(uint64_t *)e = 0;\0A    if (--m->len == 0) {\0A        m->used = 0;\0A        memset(m->index, 0xff, (size_t)m->icap * sizeof(int64_t));\0A    }\0A}\0A\0Avoid finch_map_clear(FMap *m) {\0A    m->len = m->used = 0;\0A    if (m->index) memset(m->index, 0xff, (size_t)m->icap * sizeof(int64_t));\0A}\0A\0Avoid finch_map_free(FMap *m) {\0A    free(m->entries);\0A    free(m->index);\0A}\0A\0A// A copy of the slots and the index; the compiler then copies the keys and values that own memory.\0Avoid finch_map_clone_raw(FMap *out, const FMap *m, int64_t es) {\0A    *out = *m;\0A    if (!m->cap) return;\0A    out->entries = finch_alloc(m->cap * es);\0A    memcpy(out->entries, m->entries, (size_t)(m->used * es));\0A    out->index = finch_alloc(m->icap * (int64_t)sizeof(int64_t));\0A    memcpy(out->index, m->index, (size_t)m->icap * sizeof(int64_t));\0A}\0A\0A__attribute__((noreturn, cold)) void finch_map_changed(const char *file, int64_t line) {\0A    finch_panic(file, line, \22a key was added to the map while looping over it (collect the new keys, and add them after the loop)\22);\0A}\0A\0A__attribute__((noreturn, cold)) void finch_map_missing(const char *file, int64_t line, const FStr *key) {\0A    char msg[200];\0A    snprintf(msg, sizeof msg, \22the key %.*s is not in the map (check with .has(key), or use .get(key, default))\22,\0A             (int)(key->len > 100 ? 100 : key->len), key->ptr ? key->ptr : \22\22);\0A    finch_panic(file, line, msg);\0A}\0A\00"
+@.str.7330 = private unnamed_addr constant [12885 x i8] c"// JSON: read it, build it, write it.\0A//\0A//   import json\0A//\0A//   doc := try json.parse(\22{\5C\22name\5C\22: \5C\22Finch\5C\22, \5C\22tags\5C\22: [\5C\22fast\5C\22, \5C\22small\5C\22], \5C\22stars\5C\22: 5}\22)\0A//   print(doc.get(\22name\22).str_or(\22\22))             Finch\0A//   print(doc.get(\22tags\22).at(1).str_or(\22\22))       small\0A//   print(doc.get(\22stars\22).int_or(0))             5\0A//   print(doc.get(\22missing\22).is_null())           true       (a missing key is null, so chains never fail)\0A//\0A//   out := json.new_object()\0A//   out.set(\22ok\22, json.new_bool(true))\0A//   list := json.new_list()\0A//   list.push(json.new_number(1.5))\0A//   out.set(\22values\22, list)\0A//   print(json.stringify(out))                    {\22ok\22:true,\22values\22:[1.5]}\0A//   print(json.pretty(out))                       the same, over several lines\0A\0Aenum Kind { Null, Bool, Number, Text, List, Object }\0A\0A// One JSON value. `kind` says which of the other fields it uses: flag for Bool, num for Number,\0A// text for Text, items for List, and items with keys (the same length, in the same order) for Object.\0Astruct Json {\0A    Kind kind\0A    bool flag\0A    float num\0A    str text\0A    []Json items\0A    []str keys\0A}\0A\0Afn new_null() -> Json {\0A    return Json(kind: Kind.Null)\0A}\0A\0Afn new_bool(bool b) -> Json {\0A    return Json(kind: Kind.Bool, flag: b)\0A}\0A\0Afn new_number(float n) -> Json {\0A    return Json(kind: Kind.Number, num: n)\0A}\0A\0Afn new_text(str s) -> Json {\0A    return Json(kind: Kind.Text, text: s)\0A}\0A\0Afn new_list() -> Json {\0A    return Json(kind: Kind.List)\0A}\0A\0Afn new_object() -> Json {\0A    return Json(kind: Kind.Object)\0A}\0A\0A// ---------- looking inside ----------\0A\0Afn Json.is_null() -> bool {\0A    return self.kind == Kind.Null\0A}\0A\0A// the number of elements of a list, of keys of an object, of bytes of a text; 0 for the rest\0Afn Json.len() -> int {\0A    return match self.kind {\0A        List, Object -> self.items.len\0A        Text -> self.text.len\0A        else -> 0\0A    }\0A}\0A\0Afn Json.has(str key) -> bool {\0A    return self.kind == Kind.Object && self.keys.contains(key)\0A}\0A\0A// the value of a key of an object; null if there is none (or this is not an object)\0Afn Json.get(str key) -> Json {\0A    if self.kind != Kind.Object {\0A        return new_null()\0A    }\0A    i := self.keys.find(key)\0A    if i < 0 {\0A        return new_null()\0A    }\0A    return self.items[i]\0A}\0A\0A// the element of a list; null if there is none\0Afn Json.at(int i) -> Json {\0A    if self.kind != Kind.List || i < 0 || i >= self.items.len {\0A        return new_null()\0A    }\0A    return self.items[i]\0A}\0A\0A// the value if it is of that kind, else what was given\0Afn Json.str_or(str fallback) -> str {\0A    if self.kind == Kind.Text {\0A        return self.text\0A    }\0A    return fallback\0A}\0A\0Afn Json.float_or(float fallback) -> float {\0A    if self.kind == Kind.Number {\0A        return self.num\0A    }\0A    return fallback\0A}\0A\0Afn Json.int_or(int fallback) -> int {\0A    if self.kind == Kind.Number {\0A        return int(self.num)\0A    }\0A    return fallback\0A}\0A\0Afn Json.bool_or(bool fallback) -> bool {\0A    if self.kind == Kind.Bool {\0A        return self.flag\0A    }\0A    return fallback\0A}\0A\0A// the keys of an object, in the order they were written\0Afn Json.names() -> []str {\0A    return self.keys\0A}\0A\0A// ---------- building ----------\0A\0A// add to the end of a list\0Afn Json.push(Json v) {\0A    self.items.push(v)\0A}\0A\0A// give a key a value in an object; a key that is already there is replaced\0Afn Json.set(str key, Json v) {\0A    i := self.keys.find(key)\0A    if i >= 0 {\0A        self.items[i] = v\0A        return\0A    }\0A    self.keys.push(key)\0A    self.items.push(v)\0A}\0A\0A// ---------- writing ----------\0A\0Afn quote(str s) -> str {\0A    []str parts = [\22\5C\22\22]\0A    for c in s {\0A        n := int(c)\0A        if c == '\22' {\0A            parts.push(\22\5C\5C\5C\22\22)\0A        } else if c == '\5C\5C' {\0A            parts.push(\22\5C\5C\5C\5C\22)\0A        } else if c == '\5Cn' {\0A            parts.push(\22\5C\5Cn\22)\0A        } else if c == '\5Cr' {\0A            parts.push(\22\5C\5Cr\22)\0A        } else if c == '\5Ct' {\0A            parts.push(\22\5C\5Ct\22)\0A        } else if n < 32 {\0A            parts.push(\22\5C\5Cu00\22 + hexdigit(n / 16) + hexdigit(n % 16))\0A        } else {\0A            parts.push(str(c))\0A        }\0A    }\0A    parts.push(\22\5C\22\22)\0A    return parts.join(\22\22)\0A}\0A\0Afn hexdigit(int n) -> str {\0A    digits := \220123456789abcdef\22\0A    return str(digits[n])\0A}\0A\0Afn number_text(float n) -> str {\0A    if n == float(int(n)) && n > -1000000000000000.0 && n < 1000000000000000.0 {\0A        return str(int(n))\0A    }\0A    return str(n)\0A}\0A\0Astruct Writer {\0A    []str out\0A}\0A\0Afn write(Json j, str indent, str pad, ptr[Writer] w) {\0A    nl := \22\22\0A    inner := \22\22\0A    sep := \22,\22\0A    colon := \22:\22\0A    if indent.len > 0 {\0A        nl = \22\5Cn\22\0A        inner = pad + indent\0A        colon = \22: \22\0A    }\0A    match j.kind {\0A        Null -> w.out.push(\22null\22)\0A        Bool -> {\0A            if j.flag {\0A                w.out.push(\22true\22)\0A            } else {\0A                w.out.push(\22false\22)\0A            }\0A        }\0A        Number -> w.out.push(number_text(j.num))\0A        Text -> w.out.push(quote(j.text))\0A        List -> {\0A            if j.items.len == 0 {\0A                w.out.push(\22[]\22)\0A                return\0A            }\0A            w.out.push(\22[\22 + nl)\0A            for i, item in j.items {\0A                if i > 0 {\0A                    w.out.push(sep + nl)\0A                }\0A                w.out.push(inner)\0A                write(item, indent, inner, w)\0A            }\0A            w.out.push(nl + pad + \22]\22)\0A        }\0A        Object -> {\0A            if j.items.len == 0 {\0A                w.out.push(\22{}\22)\0A                return\0A            }\0A            w.out.push(\22{\22 + nl)\0A            for i, item in j.items {\0A                if i > 0 {\0A                    w.out.push(sep + nl)\0A                }\0A                w.out.push(inner + quote(j.keys[i]) + colon)\0A                write(item, indent, inner, w)\0A            }\0A            w.out.push(nl + pad + \22}\22)\0A        }\0A    }\0A}\0A\0A// the value as text on one line\0Afn stringify(Json j) -> str {\0A    w := Writer()\0A    write(j, \22\22, \22\22, addr(w))\0A    return w.out.join(\22\22)\0A}\0A\0A// the value as text over several lines, indented by two spaces\0Afn pretty(Json j) -> str {\0A    w := Writer()\0A    write(j, \22  \22, \22\22, addr(w))\0A    return w.out.join(\22\22)\0A}\0A\0A// ---------- reading ----------\0A\0Astruct Reader {\0A    str src\0A    int i\0A}\0A\0A// the line and column of a position, for a message\0Afn where(ptr[Reader] r) -> str {\0A    line := 1\0A    col := 1\0A    for k in 0..r.i {\0A        if k < r.src.len && r.src[k] == '\5Cn' {\0A            line += 1\0A            col = 1\0A        } else {\0A            col += 1\0A        }\0A    }\0A    return \22line \22 + str(line) + \22, column \22 + str(col)\0A}\0A\0Afn peek(ptr[Reader] r) -> char {\0A    if r.i < r.src.len {\0A        return r.src[r.i]\0A    }\0A    return char(0)\0A}\0A\0Afn skip_space(ptr[Reader] r) {\0A    while r.i < r.src.len && (r.src[r.i] == ' ' || r.src[r.i] == '\5Cn' || r.src[r.i] == '\5Ct' || r.src[r.i] == '\5Cr') {\0A        r.i += 1\0A    }\0A}\0A\0Afn unexpected(ptr[Reader] r, str wanted) -> str {\0A    if r.i >= r.src.len {\0A        return \22json: the text ends where \22 + wanted + \22 should be (\22 + where(r) + \22)\22\0A    }\0A    return \22json: found '\22 + str(r.src[r.i]) + \22' where \22 + wanted + \22 should be (\22 + where(r) + \22)\22\0A}\0A\0A// does `word` come next?\0Afn comes(ptr[Reader] r, str word) -> bool {\0A    return r.src.len - r.i >= word.len && r.src.sub(r.i, r.i + word.len) == word\0A}\0A\0Afn expect_word(ptr[Reader] r, str word) -> ! {\0A    if !comes(r, word) {\0A        return error(unexpected(r, \22'\22 + word + \22'\22))\0A    }\0A    r.i += word.len\0A}\0A\0Afn hex_value(char c) -> int {\0A    if c >= '0' && c <= '9' {\0A        return int(c) - int('0')\0A    }\0A    if c >= 'a' && c <= 'f' {\0A        return int(c) - int('a') + 10\0A    }\0A    if c >= 'A' && c <= 'F' {\0A        return int(c) - int('A') + 10\0A    }\0A    return -1\0A}\0A\0A// a code point as UTF-8\0Afn utf8(int cp) -> str {\0A    []u8 b\0A    if cp < 128 {\0A        b.push(u8(cp))\0A    } else if cp < 2048 {\0A        b.push(u8(192 + cp / 64))\0A        b.push(u8(128 + cp % 64))\0A    } else if cp < 65536 {\0A        b.push(u8(224 + cp / 4096))\0A        b.push(u8(128 + (cp / 64) % 64))\0A        b.push(u8(128 + cp % 64))\0A    } else {\0A        b.push(u8(240 + cp / 262144))\0A        b.push(u8(128 + (cp / 4096) % 64))\0A        b.push(u8(128 + (cp / 64) % 64))\0A        b.push(u8(128 + cp % 64))\0A    }\0A    return str(b)\0A}\0A\0Afn read_hex4(ptr[Reader] r) -> int! {\0A    n := 0\0A    for k in 0..4 {\0A        if r.i >= r.src.len || hex_value(r.src[r.i]) < 0 {\0A            return error(unexpected(r, \22a hexadecimal digit\22))\0A        }\0A        n = n * 16 + hex_value(r.src[r.i])\0A        r.i += 1\0A    }\0A    return n\0A}\0A\0Afn read_string(ptr[Reader] r) -> str! {\0A    r.i += 1                    // the opening quote\0A    []str parts\0A    start := r.i\0A    while true {\0A        if r.i >= r.src.len {\0A            return error(\22json: a text is never closed (\22 + where(r) + \22)\22)\0A        }\0A        c := r.src[r.i]\0A        if c == '\22' {\0A            parts.push(r.src.sub(start, r.i))\0A            r.i += 1\0A            return parts.join(\22\22)\0A        }\0A        if int(c) < 32 {\0A            return error(\22json: a line break or control character inside a text (\22 + where(r) + \22)\22)\0A        }\0A        if c != '\5C\5C' {\0A            r.i += 1\0A            continue\0A        }\0A        parts.push(r.src.sub(start, r.i))\0A        r.i += 1\0A        e := peek(r)\0A        r.i += 1\0A        if e == 'n' {\0A            parts.push(\22\5Cn\22)\0A        } else if e == 't' {\0A            parts.push(\22\5Ct\22)\0A        } else if e == 'r' {\0A            parts.push(\22\5Cr\22)\0A        } else if e == 'b' {\0A            parts.push(utf8(8))\0A        } else if e == 'f' {\0A            parts.push(utf8(12))\0A        } else if e == '\22' || e == '\5C\5C' || e == '/' {\0A            parts.push(str(e))\0A        } else if e == 'u' {\0A            cp := try read_hex4(r)\0A            // a pair of \F0\9F\98\80 stands for one character above U+FFFF\0A            if cp >= 55296 && cp < 56320 && comes(r, \22\5C\5Cu\22) {\0A                r.i += 2\0A                low := try read_hex4(r)\0A                cp = 65536 + (cp - 55296) * 1024 + (low - 56320)\0A            }\0A            parts.push(utf8(cp))\0A        } else {\0A            return error(\22json: unknown escape \5C\5C\22 + str(e) + \22 in a text (\22 + where(r) + \22)\22)\0A        }\0A        start = r.i\0A    }\0A}\0A\0Afn read_number(ptr[Reader] r) -> Json! {\0A    start := r.i\0A    if peek(r) == '-' {\0A        r.i += 1\0A    }\0A    while r.i < r.src.len && ((r.src[r.i] >= '0' && r.src[r.i] <= '9') || r.src[r.i] == '.' || r.src[r.i] == 'e' || r.src[r.i] == 'E' || r.src[r.i] == '+' || r.src[r.i] == '-') {\0A        r.i += 1\0A    }\0A    n := float(r.src.sub(start, r.i)) or {\0A        r.i = start\0A        return error(unexpected(r, \22a number\22))\0A    }\0A    return new_number(n)\0A}\0A\0Afn read_value(ptr[Reader] r) -> Json! {\0A    skip_space(r)\0A    c := peek(r)\0A    if r.i >= r.src.len {\0A        return error(unexpected(r, \22a value\22))\0A    }\0A    if c == '{' {\0A        obj := new_object()\0A        r.i += 1\0A        skip_space(r)\0A        if peek(r) == '}' {\0A            r.i += 1\0A            return obj\0A        }\0A        while true {\0A            skip_space(r)\0A            if peek(r) != '\22' {\0A                return error(unexpected(r, \22a key in quotes\22))\0A            }\0A            key := try read_string(r)\0A            skip_space(r)\0A            if peek(r) != ':' {\0A                return error(unexpected(r, \22':'\22))\0A            }\0A            r.i += 1\0A            v := try read_value(r)\0A            obj.set(key, v)\0A            skip_space(r)\0A            if peek(r) == ',' {\0A                r.i += 1\0A                continue\0A            }\0A            if peek(r) == '}' {\0A                r.i += 1\0A                return obj\0A            }\0A            return error(unexpected(r, \22',' or '}'\22))\0A        }\0A    }\0A    if c == '[' {\0A        list := new_list()\0A        r.i += 1\0A        skip_space(r)\0A        if peek(r) == ']' {\0A            r.i += 1\0A            return list\0A        }\0A        while true {\0A            v := try read_value(r)\0A            list.push(v)\0A            skip_space(r)\0A            if peek(r) == ',' {\0A                r.i += 1\0A                continue\0A            }\0A            if peek(r) == ']' {\0A                r.i += 1\0A                return list\0A            }\0A            return error(unexpected(r, \22',' or ']'\22))\0A        }\0A    }\0A    if c == '\22' {\0A        s := try read_string(r)\0A        return new_text(s)\0A    }\0A    if c == 't' {\0A        try expect_word(r, \22true\22)\0A        return new_bool(true)\0A    }\0A    if c == 'f' {\0A        try expect_word(r, \22false\22)\0A        return new_bool(false)\0A    }\0A    if c == 'n' {\0A        try expect_word(r, \22null\22)\0A        return new_null()\0A    }\0A    if c == '-' || (c >= '0' && c <= '9') {\0A        return try read_number(r)\0A    }\0A    return error(unexpected(r, \22a value\22))\0A}\0A\0A// the JSON in `text`; an error with the line and column where it went wrong\0Afn parse(str text) -> Json! {\0A    r := Reader(src: text)\0A    v := try read_value(addr(r))\0A    skip_space(addr(r))\0A    if r.i < r.src.len {\0A        return error(unexpected(addr(r), \22the end of the text\22))\0A    }\0A    return v\0A}\0A\00"
+@.str.7331 = private unnamed_addr constant [2847 x i8] c"// Paths, as text. Elements are separated by \22/\22.\0A//\0A//   import path\0A//   path.join(\22a\22, \22b.txt\22)        a/b.txt\0A//   path.base(\22/tmp/x/a.tar.gz\22)   a.tar.gz       path.stem(...)  a.tar       path.ext(...)  .gz\0A//   path.dir(\22/tmp/x/a.txt\22)       /tmp/x\0A//   path.clean(\22a//b/../c/./d\22)    a/c/d\0A\0A// a and b with one separator between; an absolute b replaces a\0Afn join(str a, str b) -> str {\0A    if a.len == 0 {\0A        return b\0A    }\0A    if b.len == 0 {\0A        return a\0A    }\0A    if b[0] == '/' {\0A        return b\0A    }\0A    if a[a.len - 1] == '/' {\0A        return a + b\0A    }\0A    return a + \22/\22 + b\0A}\0A\0Afn is_abs(str p) -> bool {\0A    return p.len > 0 && p[0] == '/'\0A}\0A\0A// the last element: \22a/b.txt\22 -> \22b.txt\22, \22a/b/\22 -> \22b\22, \22\22 -> \22.\22, \22/\22 -> \22/\22\0Afn base(str p) -> str {\0A    if p.len == 0 {\0A        return \22.\22\0A    }\0A    end := p.len\0A    while end > 1 && p[end - 1] == '/' {\0A        end -= 1\0A    }\0A    if end == 1 && p[0] == '/' {\0A        return \22/\22\0A    }\0A    start := end\0A    while start > 0 && p[start - 1] != '/' {\0A        start -= 1\0A    }\0A    return p.sub(start, end)\0A}\0A\0A// everything before the last element: \22a/b.txt\22 -> \22a\22, \22b.txt\22 -> \22.\22, \22/b\22 -> \22/\22\0Afn dir(str p) -> str {\0A    end := p.len\0A    while end > 1 && p[end - 1] == '/' {\0A        end -= 1\0A    }\0A    i := end\0A    while i > 0 && p[i - 1] != '/' {\0A        i -= 1\0A    }\0A    if i == 0 {\0A        return \22.\22\0A    }\0A    while i > 1 && p[i - 1] == '/' {\0A        i -= 1\0A    }\0A    return p.sub(0, i)\0A}\0A\0A// the part of the last element from its last dot: \22a.tar.gz\22 -> \22.gz\22; \22\22 when there is none\0Afn ext(str p) -> str {\0A    b := base(p)\0A    i := b.len\0A    while i > 0 && b[i - 1] != '.' {\0A        i -= 1\0A    }\0A    if i <= 1 {                 // no dot, or a name that only starts with one (.bashrc)\0A        return \22\22\0A    }\0A    return b.sub(i - 1, b.len)\0A}\0A\0A// the last element without its extension\0Afn stem(str p) -> str {\0A    b := base(p)\0A    e := ext(p)\0A    return b.sub(0, b.len - e.len)\0A}\0A\0A// the elements of a path: \22/a/b/c\22 -> [\22a\22, \22b\22, \22c\22]\0Afn parts(str p) -> []str {\0A    []str out\0A    for piece in p.split(\22/\22) {\0A        if piece.len > 0 {\0A            out.push(piece)\0A        }\0A    }\0A    return out\0A}\0A\0A// the shortest path with the same meaning: no \22//\22, no \22.\22, and \22..\22 resolved where it can be\0Afn clean(str p) -> str {\0A    if p.len == 0 {\0A        return \22.\22\0A    }\0A    abs := is_abs(p)\0A    []str out\0A    for piece in parts(p) {\0A        if piece == \22.\22 {\0A            continue\0A        }\0A        if piece == \22..\22 {\0A            if out.len > 0 && out[out.len - 1] != \22..\22 {\0A                out.pop()\0A            } else if !abs {\0A                out.push(\22..\22)\0A            }\0A            continue\0A        }\0A        out.push(piece)\0A    }\0A    joined := out.join(\22/\22)\0A    if abs {\0A        return \22/\22 + joined\0A    }\0A    if joined.len == 0 {\0A        return \22.\22\0A    }\0A    return joined\0A}\0A\00"
+@.str.7332 = private unnamed_addr constant [1407 x i8] c"// Programs: run a command, read what it printed, look at the environment.\0A//\0A//   import proc\0A//   code := proc.run(\22make\22)                  the exit code; what the command prints goes to the screen\0A//   text := try proc.output(\22git describe\22)   what the command printed; an error if it failed\0A//   proc.env(\22HOME\22, \22/\22)                     an environment variable, or the second value if it is not set\0Aimport \22stdlib.h\22\0Aimport \22unistd.h\22\0Aimport \22time.h\22\0A\0A// run a command; its output goes to the screen. Gives its exit code.\0Afn run(str command) -> int {\0A    return shell(command)\0A}\0A\0A// run a command and give what it printed. Fails, with its output as the message, if it exits with an error.\0Afn output(str command) -> str! {\0A    tmp := \22/tmp/finch_out_\22 + str(getpid()) + \22_\22 + str(int(time(null)))\0A    code := shell(\22(\22 + command + \22) > '\22 + tmp + \22' 2>&1\22)\0A    text := read_file(tmp) or \22\22\0A    delete_file(tmp)\0A    if code != 0 {\0A        return error(\22'\22 + command + \22' exited with code \22 + str(code) + \22: \22 + text.trim())\0A    }\0A    return text\0A}\0A\0Afn env(str name, str fallback) -> str {\0A    v := getenv(name)\0A    if v.len == 0 {\0A        return fallback\0A    }\0A    return v\0A}\0A\0Afn pid() -> int {\0A    return int(getpid())\0A}\0A\0A// the folder the program is running in\0Afn cwd() -> str {\0A    []char buf\0A    for i in 0..4096 {\0A        buf.push(char(0))\0A    }\0A    getcwd(buf.ptr, 4096)\0A    return str(buf.ptr)\0A}\0A\00"
+@.str.7333 = private unnamed_addr constant [996 x i8] c"// Programs, for Windows. The same functions as proc.fch (that file is for Linux and macOS).\0Aimport \22stdlib.h\22\0Aimport \22process.h\22\0Aimport \22direct.h\22\0Aimport \22time.h\22\0A\0Afn run(str command) -> int {\0A    return shell(command)\0A}\0A\0Afn output(str command) -> str! {\0A    tmp := proc_env(\22TEMP\22, \22.\22) + \22\5C\5Cfinch_out_\22 + str(getpid()) + \22_\22 + str(int(time(null)))\0A    code := shell(command + \22 > \5C\22\22 + tmp + \22\5C\22 2>&1\22)\0A    text := read_file(tmp) or \22\22\0A    delete_file(tmp)\0A    if code != 0 {\0A        return error(\22'\22 + command + \22' exited with code \22 + str(code) + \22: \22 + text.trim())\0A    }\0A    return text\0A}\0A\0Afn proc_env(str name, str fallback) -> str {\0A    v := getenv(name)\0A    if v.len == 0 {\0A        return fallback\0A    }\0A    return v\0A}\0A\0Afn env(str name, str fallback) -> str {\0A    return proc_env(name, fallback)\0A}\0A\0Afn pid() -> int {\0A    return int(getpid())\0A}\0A\0Afn cwd() -> str {\0A    []char buf\0A    for i in 0..4096 {\0A        buf.push(char(0))\0A    }\0A    getcwd(buf.ptr, 4096)\0A    return str(buf.ptr)\0A}\0A\00"
+@.str.7334 = private unnamed_addr constant [2540 x i8] c"// Time: the clock, sleeping, and dates.\0A//\0A//   import time\0A//   start := time.millis()          milliseconds from a clock that only goes forward (to measure with)\0A//   time.sleep(250)                 wait a quarter of a second\0A//   time.now()                      seconds since 1970-01-01 00:00 UTC\0A//   d := time.date(time.now())      the parts: d.year, d.month, d.day, d.hour, d.minute, d.second\0A//   time.format(time.now(), \22%Y-%m-%d %H:%M\22)      as text, in the computer's time zone\0Aimport \22time.h\22\0A\0Astruct Date {\0A    int year\0A    int month       // 1 to 12\0A    int day         // 1 to 31\0A    int hour\0A    int minute\0A    int second\0A    int weekday     // 0 is Sunday\0A    int yearday     // 1 to 366\0A}\0A\0A// seconds since 1970-01-01 00:00 UTC\0Afn now() -> int {\0A    return int(time(null))\0A}\0A\0A// milliseconds on a clock that only goes forward: for measuring how long something took\0Afn millis() -> int {\0A    timespec ts\0A    clock_gettime(CLOCK_MONOTONIC, addr(ts))\0A    return int(ts.tv_sec) * 1000 + int(ts.tv_nsec) / 1000000\0A}\0A\0Afn sleep(int ms) {\0A    timespec ts\0A    ts.tv_sec = ms / 1000\0A    ts.tv_nsec = (ms % 1000) * 1000000\0A    nanosleep(addr(ts), null)\0A}\0A\0Afn parts(tm t) -> Date {\0A    return Date(year: int(t.tm_year) + 1900, month: int(t.tm_mon) + 1, day: int(t.tm_mday), hour: int(t.tm_hour),\0A                minute: int(t.tm_min), second: int(t.tm_sec), weekday: int(t.tm_wday), yearday: int(t.tm_yday) + 1)\0A}\0A\0A// the date and time of a moment, in UTC\0Afn date(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    gmtime_r(addr(stamp), addr(t))\0A    return parts(t)\0A}\0A\0A// the date and time of a moment, in the computer's time zone\0Afn local(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    localtime_r(addr(stamp), addr(t))\0A    return parts(t)\0A}\0A\0A// a moment as text, in the computer's time zone: %Y year, %m month, %d day, %H hour, %M minute, %S second\0A// (the rest of C's strftime works too: %A weekday name, %B month name, ...)\0Afn format(int unix, str pattern) -> str {\0A    tm t\0A    i64 stamp = unix\0A    localtime_r(addr(stamp), addr(t))\0A    []char buf\0A    for i in 0..256 {\0A        buf.push(char(0))\0A    }\0A    strftime(buf.ptr, 256, pattern, addr(t))\0A    return str(buf.ptr)\0A}\0A\0A// the number of days in a month (month is 1 to 12)\0Afn days_in_month(int year, int month) -> int {\0A    if month == 2 {\0A        if year % 4 == 0 && (year % 100 != 0 || year % 400 == 0) {\0A            return 29\0A        }\0A        return 28\0A    }\0A    if month == 4 || month == 6 || month == 9 || month == 11 {\0A        return 30\0A    }\0A    return 31\0A}\0A\00"
+@.str.7335 = private unnamed_addr constant [1793 x i8] c"// Time, for Windows. The same functions as time.fch (that file is for Linux and macOS).\0Aimport \22time.h\22\0Aimport \22finch_win.h\22\0A\0Astruct Date {\0A    int year\0A    int month       // 1 to 12\0A    int day         // 1 to 31\0A    int hour\0A    int minute\0A    int second\0A    int weekday     // 0 is Sunday\0A    int yearday     // 1 to 366\0A}\0A\0Afn now() -> int {\0A    return int(time(null))\0A}\0A\0A// milliseconds on a clock that only goes forward (the performance counter: GetTickCount64 ticks every 15 ms)\0Afn millis() -> int {\0A    i64 count = 0\0A    i64 freq = 1\0A    QueryPerformanceFrequency(addr(freq))\0A    QueryPerformanceCounter(addr(count))\0A    return int(count / freq) * 1000 + int(count % freq) * 1000 / int(freq)\0A}\0A\0Afn sleep(int ms) {\0A    Sleep(u32(ms))\0A}\0A\0Afn parts(tm t) -> Date {\0A    return Date(year: int(t.tm_year) + 1900, month: int(t.tm_mon) + 1, day: int(t.tm_mday), hour: int(t.tm_hour),\0A                minute: int(t.tm_min), second: int(t.tm_sec), weekday: int(t.tm_wday), yearday: int(t.tm_yday) + 1)\0A}\0A\0Afn date(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    _gmtime64_s(addr(t), addr(stamp))\0A    return parts(t)\0A}\0A\0Afn local(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    _localtime64_s(addr(t), addr(stamp))\0A    return parts(t)\0A}\0A\0Afn format(int unix, str pattern) -> str {\0A    tm t\0A    i64 stamp = unix\0A    _localtime64_s(addr(t), addr(stamp))\0A    []char buf\0A    for i in 0..256 {\0A        buf.push(char(0))\0A    }\0A    strftime(buf.ptr, 256, pattern, addr(t))\0A    return str(buf.ptr)\0A}\0A\0Afn days_in_month(int year, int month) -> int {\0A    if month == 2 {\0A        if year % 4 == 0 && (year % 100 != 0 || year % 400 == 0) {\0A            return 29\0A        }\0A        return 28\0A    }\0A    if month == 4 || month == 6 || month == 9 || month == 11 {\0A        return 30\0A    }\0A    return 31\0A}\0A\00"
+@.str.7336 = private unnamed_addr constant [366 x i8] c"/* The Windows functions std/time_windows.fch needs. Declared here, not by including <windows.h>:\0A   libclang can't parse that header with MinGW's intrinsics. Both are in kernel32. */\0Aunsigned long long GetTickCount64(void);\0Avoid Sleep(unsigned long milliseconds);\0Aint QueryPerformanceCounter(long long *count);\0Aint QueryPerformanceFrequency(long long *frequency);\0A\00"
 
 declare void @finch_panic(ptr, i64, ptr) noreturn cold
 declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold
 declare ptr @finch_alloc(i64)
 declare void @finch_str_copy(ptr, ptr)
+declare void @finch_str_drop(ptr)
+declare void @finch_arr_free(ptr)
+declare void @finch_map_free(ptr)
 declare void @finch_str_own(ptr)
 declare void @finch_str_concat(ptr, ptr, ptr)
 declare i32 @finch_str_eq(ptr, ptr)
@@ -7358,7 +7594,7 @@ logic.rhs5:
   %t11 = icmp uge i64 %t8, %t10
   br i1 %t11, label %range7, label %inrange8
 range7:
-  call void @finch_panic_index(ptr @.str.1, i64 20, i64 %t8, i64 %t10)
+  call void @finch_panic_index(ptr @.str.1, i64 22, i64 %t8, i64 %t10)
   unreachable
 inrange8:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
@@ -7386,7 +7622,7 @@ endif12:
   %t21 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t21, ptr %a22
   %t24 = load i64, ptr %a5
-  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.3, i64 26)
+  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.3, i64 28)
   %t25 = load { ptr, i64, i64 }, ptr %a23
   ret { ptr, i64, i64 } %t25
 }
@@ -7396,85 +7632,91 @@ entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca i64, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca i64, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
   %t5 = load { ptr, i64, i64 }, ptr %a1
   %t6 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t5)
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
-  %t8 = add i64 %t7, 1
-  %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t10 = load i64, ptr %t9
-  call void @finch_str_sub(ptr %a4, ptr %a3, i64 %t8, i64 %t10, ptr @.str.4, i64 30)
-  %t11 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t11, ptr %a12
-  %t13 = load { ptr, i64, i64 }, ptr %a1
-  %t14 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t13)
-  store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.5, i64 1, i64 0 }, ptr %a16
-  %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
-  %t18 = icmp ne i32 %t17, 0
+  store { ptr, i64, i64 } %t6, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = add i64 %t7, 1
+  %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t11 = load i64, ptr %t10
+  call void @finch_str_sub(ptr %a4, ptr %a3, i64 %t9, i64 %t11, ptr @.str.4, i64 32)
+  %t12 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t12, ptr %a13
+  %t14 = load { ptr, i64, i64 }, ptr %a1
+  %t15 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t14)
+  store { ptr, i64, i64 } %t15, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.5, i64 1, i64 0 }, ptr %a17
+  %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
+  %t19 = icmp ne i32 %t18, 0
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
   br label %logic.from13
 logic.from13:
-  br i1 %t18, label %logic.rhs14, label %logic.end15
+  br i1 %t19, label %logic.rhs14, label %logic.end15
 logic.rhs14:
-  %t19 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.7, i64 2, i64 0 }, ptr %a22
-  %t23 = call i32 @finch_str_starts(ptr %a20, ptr %a22)
-  %t24 = icmp ne i32 %t23, 0
-  %t25 = xor i1 %t24, true
+  %t21 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t21, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.7, i64 2, i64 0 }, ptr %a24
+  %t25 = call i32 @finch_str_starts(ptr %a22, ptr %a24)
+  %t26 = icmp ne i32 %t25, 0
+  %t27 = xor i1 %t26, true
   br label %logic.rend16
 logic.rend16:
   br label %logic.end15
 logic.end15:
-  %t26 = phi i1 [ false, %logic.from13 ], [ %t25, %logic.rend16 ]
-  br i1 %t26, label %then17, label %endif19
+  %t28 = phi i1 [ false, %logic.from13 ], [ %t27, %logic.rend16 ]
+  br i1 %t28, label %then17, label %endif19
 then17:
-  %t27 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t27, ptr %a28
-  call void @finch_str_copy(ptr %a29, ptr %a28)
-  %t30 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t30, ptr %a12
+  %t29 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_copy(ptr %a31, ptr %a30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  %t33 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t32, ptr %a13
+  store { ptr, i64, i64 } %t33, ptr %a34
+  call void @finch_str_drop(ptr %a34)
   br label %endif19
 endif19:
-  %t31 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.9, i64 1, i64 0 }, ptr %a34
-  %t35 = call i64 @finch_str_find(ptr %a32, ptr %a34)
-  store i64 %t35, ptr %a36
-  %t37 = load i64, ptr %a36
-  %t38 = icmp sgt i64 %t37, 0
-  br i1 %t38, label %then20, label %endif22
+  %t35 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.9, i64 1, i64 0 }, ptr %a38
+  %t39 = call i64 @finch_str_find(ptr %a36, ptr %a38)
+  store i64 %t39, ptr %a40
+  %t41 = load i64, ptr %a40
+  %t42 = icmp sgt i64 %t41, 0
+  br i1 %t42, label %then20, label %endif22
 then20:
-  %t39 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t39, ptr %a40
-  %t42 = load i64, ptr %a36
-  call void @finch_str_sub(ptr %a41, ptr %a40, i64 0, i64 %t42, ptr @.str.10, i64 36)
-  %t43 = load { ptr, i64, i64 }, ptr %a41
-  ret { ptr, i64, i64 } %t43
-endif22:
-  %t44 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t44, ptr %a45
-  call void @finch_str_copy(ptr %a46, ptr %a45)
-  %t47 = load { ptr, i64, i64 }, ptr %a46
+  %t43 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t43, ptr %a44
+  %t46 = load i64, ptr %a40
+  call void @finch_str_sub(ptr %a45, ptr %a44, i64 0, i64 %t46, ptr @.str.10, i64 38)
+  %t47 = load { ptr, i64, i64 }, ptr %a45
+  call void @finch_str_drop(ptr %a13)
   ret { ptr, i64, i64 } %t47
+endif22:
+  %t48 = load { ptr, i64, i64 }, ptr %a13
+  ret { ptr, i64, i64 } %t48
 }
 
 define internal { ptr, i64, i64 } @finch.main.textOfFile(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -7496,7 +7738,7 @@ entry:
   %t4 = icmp eq ptr %t3, null
   br i1 %t4, label %panic23, label %ok24
 panic23:
-  call void @finch_panic(ptr @.str.11, i64 53, ptr @.str.12)
+  call void @finch_panic(ptr @.str.11, i64 55, ptr @.str.12)
   unreachable
 ok24:
   %t5 = getelementptr inbounds %S.main.Loader, ptr %t3, i32 0, i32 6
@@ -7537,7 +7779,7 @@ then30:
   %t26 = icmp eq ptr %t25, null
   br i1 %t26, label %panic33, label %ok34
 panic33:
-  call void @finch_panic(ptr @.str.13, i64 55, ptr @.str.14)
+  call void @finch_panic(ptr @.str.13, i64 57, ptr @.str.14)
   unreachable
 ok34:
   %t27 = getelementptr inbounds %S.main.Loader, ptr %t25, i32 0, i32 7
@@ -7547,20 +7789,20 @@ ok34:
   %t31 = icmp uge i64 %t28, %t30
   br i1 %t31, label %range35, label %inrange36
 range35:
-  call void @finch_panic_index(ptr @.str.15, i64 55, i64 %t28, i64 %t30)
+  call void @finch_panic_index(ptr @.str.15, i64 57, i64 %t28, i64 %t30)
   unreachable
 inrange36:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 %t28
   %t34 = load { ptr, i64, i64 }, ptr %t33
   store { ptr, i64, i64 } %t34, ptr %a35
-  call void @finch_read_file(ptr %a36, ptr %a35, ptr @.str.16, i64 55)
+  call void @finch_read_file(ptr %a36, ptr %a35, ptr @.str.16, i64 57)
   %t37 = load { ptr, i64, i64 }, ptr %a36
   ret { ptr, i64, i64 } %t37
 endif32:
   %t38 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t38, ptr %a39
-  call void @finch_read_file(ptr %a40, ptr %a39, ptr @.str.17, i64 57)
+  call void @finch_read_file(ptr %a40, ptr %a39, ptr @.str.17, i64 59)
   %t41 = load { ptr, i64, i64 }, ptr %a40
   ret { ptr, i64, i64 } %t41
 }
@@ -7573,151 +7815,189 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca i64, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca i64, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
   %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
   %a258 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
   %a276 = alloca { ptr, i64, i64 }, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
   %a290 = alloca { ptr, i64, i64 }, align 16
   %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -7726,388 +8006,505 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a7
   store { ptr, i64, i64 } { ptr @.str.18, i64 1, i64 0 }, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
-  %t9 = load { ptr, i64, i64 }, ptr %a6
-  %t10 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t9, ptr %a12
+  store { ptr, i64, i64 } %t5, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  %t10 = load { ptr, i64, i64 }, ptr %a6
+  %t11 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t10, ptr %a13
-  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.19, i64 4, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  store { ptr, i64, i64 } %t18, ptr %a19
-  %t20 = load { ptr, i64, i64 }, ptr %a2
-  %t21 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t20)
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.20, i64 1, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t25, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.21, i64 1, i64 0 }, ptr %a33
+  store { ptr, i64, i64 } %t11, ptr %a14
+  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
+  store { ptr, i64, i64 } %t10, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t16, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.19, i64 4, i64 0 }, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t21, ptr %a22
+  %t23 = load { ptr, i64, i64 }, ptr %a2
+  %t24 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t23)
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.20, i64 1, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t29, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic37, label %ok38
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.21, i64 1, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic37, label %ok38
 panic37:
-  call void @finch_panic(ptr @.str.22, i64 65, ptr @.str.23)
+  call void @finch_panic(ptr @.str.22, i64 67, ptr @.str.23)
   unreachable
 ok38:
-  %t37 = getelementptr inbounds %S.main.Loader, ptr %t35, i32 0, i32 3
-  %t38 = load { ptr, i64, i64 }, ptr %t37
-  store { ptr, i64, i64 } %t34, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.24, i64 4, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a47
-  %t48 = call i32 @finch_file_exists(ptr %a47)
-  %t49 = icmp ne i32 %t48, 0
-  br i1 %t49, label %then39, label %endif41
+  %t43 = getelementptr inbounds %S.main.Loader, ptr %t41, i32 0, i32 3
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } %t40, ptr %a46
+  store { ptr, i64, i64 } %t44, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  store { ptr, i64, i64 } %t40, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.24, i64 4, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t54, ptr %a55
+  %t56 = call i32 @finch_file_exists(ptr %a55)
+  store { ptr, i64, i64 } %t54, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = icmp ne i32 %t56, 0
+  br i1 %t58, label %then39, label %endif41
 then39:
-  %t50 = load { ptr, i64, i64 }, ptr %a2
-  %t51 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t50)
-  store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.25, i64 1, i64 0 }, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  %t56 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t55, ptr %a58
-  store { ptr, i64, i64 } %t56, ptr %a59
-  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
-  %t60 = load { ptr, i64, i64 }, ptr %a57
+  %t59 = load { ptr, i64, i64 }, ptr %a2
+  %t60 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t59)
   store { ptr, i64, i64 } %t60, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.26, i64 1, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.25, i64 1, i64 0 }, ptr %a63
   call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
-  %t64 = load { ptr, i64, i64 }, ptr %a61
-  %t65 = load ptr, ptr %a1
-  %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic42, label %ok43
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  %t66 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t65, ptr %a68
+  store { ptr, i64, i64 } %t66, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t65, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.26, i64 1, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  %t77 = load ptr, ptr %a1
+  %t78 = icmp eq ptr %t77, null
+  br i1 %t78, label %panic42, label %ok43
 panic42:
-  call void @finch_panic(ptr @.str.27, i64 66, ptr @.str.28)
+  call void @finch_panic(ptr @.str.27, i64 68, ptr @.str.28)
   unreachable
 ok43:
-  %t67 = getelementptr inbounds %S.main.Loader, ptr %t65, i32 0, i32 3
-  %t68 = load { ptr, i64, i64 }, ptr %t67
-  store { ptr, i64, i64 } %t64, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.29, i64 4, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  ret { ptr, i64, i64 } %t76
+  %t79 = getelementptr inbounds %S.main.Loader, ptr %t77, i32 0, i32 3
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t76, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t76, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.29, i64 4, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t90
 endif41:
-  %t77 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t79 = call i32 @finch_file_exists(ptr %a78)
-  %t80 = icmp ne i32 %t79, 0
-  br i1 %t80, label %then44, label %endif46
+  %t91 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t91, ptr %a92
+  %t93 = call i32 @finch_file_exists(ptr %a92)
+  %t94 = icmp ne i32 %t93, 0
+  br i1 %t94, label %then44, label %endif46
 then44:
-  %t81 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t81, ptr %a82
-  call void @finch_str_copy(ptr %a83, ptr %a82)
-  %t84 = load { ptr, i64, i64 }, ptr %a83
-  ret { ptr, i64, i64 } %t84
+  %t95 = load { ptr, i64, i64 }, ptr %a22
+  ret { ptr, i64, i64 } %t95
 endif46:
-  %t85 = load ptr, ptr %a1
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic47, label %ok48
+  %t96 = load ptr, ptr %a1
+  %t97 = icmp eq ptr %t96, null
+  br i1 %t97, label %panic47, label %ok48
 panic47:
-  call void @finch_panic(ptr @.str.30, i64 71, ptr @.str.31)
+  call void @finch_panic(ptr @.str.30, i64 73, ptr @.str.31)
   unreachable
 ok48:
-  %t87 = getelementptr inbounds %S.main.Loader, ptr %t85, i32 0, i32 5
-  store i64 0, ptr %a88
+  %t98 = getelementptr inbounds %S.main.Loader, ptr %t96, i32 0, i32 5
+  store i64 0, ptr %a99
   br label %each.cond49
 each.cond49:
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
-  %t90 = load i64, ptr %t89
-  %t91 = load i64, ptr %a88
-  %t92 = icmp slt i64 %t91, %t90
-  br i1 %t92, label %each.body50, label %each.end52
+  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
+  %t101 = load i64, ptr %t100
+  %t102 = load i64, ptr %a99
+  %t103 = icmp slt i64 %t102, %t101
+  br i1 %t103, label %each.body50, label %each.end52
 each.body50:
-  %t93 = load ptr, ptr %t87
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i64 %t91
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  store { ptr, i64, i64 } %t95, ptr %a96
-  %t97 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.32, i64 1, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t101, ptr %a104
-  store { ptr, i64, i64 } %t102, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t106, ptr %a108
-  store { ptr, i64, i64 } { ptr @.str.33, i64 1, i64 0 }, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  %t111 = load ptr, ptr %a1
-  %t112 = icmp eq ptr %t111, null
-  br i1 %t112, label %panic53, label %ok54
+  %t104 = load ptr, ptr %t98
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 %t102
+  %t106 = load { ptr, i64, i64 }, ptr %t105
+  store { ptr, i64, i64 } %t106, ptr %a107
+  %t108 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t108, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.32, i64 1, i64 0 }, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a109
+  %t113 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t112, ptr %a115
+  store { ptr, i64, i64 } %t113, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t112, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a114
+  store { ptr, i64, i64 } %t118, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.33, i64 1, i64 0 }, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  store { ptr, i64, i64 } %t118, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a119
+  %t124 = load ptr, ptr %a1
+  %t125 = icmp eq ptr %t124, null
+  br i1 %t125, label %panic53, label %ok54
 panic53:
-  call void @finch_panic(ptr @.str.34, i64 72, ptr @.str.35)
+  call void @finch_panic(ptr @.str.34, i64 74, ptr @.str.35)
   unreachable
 ok54:
-  %t113 = getelementptr inbounds %S.main.Loader, ptr %t111, i32 0, i32 3
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  store { ptr, i64, i64 } %t110, ptr %a116
-  store { ptr, i64, i64 } %t114, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  store { ptr, i64, i64 } %t118, ptr %a120
-  store { ptr, i64, i64 } { ptr @.str.36, i64 4, i64 0 }, ptr %a121
-  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
-  %t122 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t122, ptr %a123
-  %t124 = call i32 @finch_file_exists(ptr %a123)
-  %t125 = icmp ne i32 %t124, 0
-  br i1 %t125, label %then55, label %endif57
+  %t126 = getelementptr inbounds %S.main.Loader, ptr %t124, i32 0, i32 3
+  %t127 = load { ptr, i64, i64 }, ptr %t126
+  store { ptr, i64, i64 } %t123, ptr %a129
+  store { ptr, i64, i64 } %t127, ptr %a130
+  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
+  store { ptr, i64, i64 } %t123, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t132, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.36, i64 4, i64 0 }, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t132, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  store { ptr, i64, i64 } %t137, ptr %a138
+  %t139 = call i32 @finch_file_exists(ptr %a138)
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = icmp ne i32 %t139, 0
+  br i1 %t141, label %then55, label %endif57
 then55:
-  %t126 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.37, i64 1, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  %t131 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t130, ptr %a133
-  store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.38, i64 1, i64 0 }, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = load ptr, ptr %a1
-  %t141 = icmp eq ptr %t140, null
-  br i1 %t141, label %panic58, label %ok59
+  %t142 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t142, ptr %a144
+  store { ptr, i64, i64 } { ptr @.str.37, i64 1, i64 0 }, ptr %a145
+  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a143
+  %t147 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t146, ptr %a149
+  store { ptr, i64, i64 } %t147, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
+  store { ptr, i64, i64 } %t146, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.38, i64 1, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic58, label %ok59
 panic58:
-  call void @finch_panic(ptr @.str.39, i64 73, ptr @.str.40)
+  call void @finch_panic(ptr @.str.39, i64 75, ptr @.str.40)
   unreachable
 ok59:
-  %t142 = getelementptr inbounds %S.main.Loader, ptr %t140, i32 0, i32 3
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  store { ptr, i64, i64 } %t139, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t147, ptr %a149
-  store { ptr, i64, i64 } { ptr @.str.41, i64 4, i64 0 }, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  ret { ptr, i64, i64 } %t151
-endif57:
-  %t152 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t152, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.42, i64 1, i64 0 }, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  %t157 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t156, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  store { ptr, i64, i64 } %t161, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.43, i64 4, i64 0 }, ptr %a164
+  %t160 = getelementptr inbounds %S.main.Loader, ptr %t158, i32 0, i32 3
+  %t161 = load { ptr, i64, i64 }, ptr %t160
+  store { ptr, i64, i64 } %t157, ptr %a163
+  store { ptr, i64, i64 } %t161, ptr %a164
   call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t165, ptr %a166
-  %t167 = call i32 @finch_file_exists(ptr %a166)
-  %t168 = icmp ne i32 %t167, 0
-  br i1 %t168, label %then60, label %endif62
+  store { ptr, i64, i64 } %t157, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } %t166, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.41, i64 4, i64 0 }, ptr %a169
+  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
+  store { ptr, i64, i64 } %t166, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  %t171 = load { ptr, i64, i64 }, ptr %a167
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t171
+endif57:
+  %t172 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t172, ptr %a174
+  store { ptr, i64, i64 } { ptr @.str.42, i64 1, i64 0 }, ptr %a175
+  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
+  %t176 = load { ptr, i64, i64 }, ptr %a173
+  %t177 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t176, ptr %a179
+  store { ptr, i64, i64 } %t177, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  store { ptr, i64, i64 } %t176, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.43, i64 4, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  store { ptr, i64, i64 } %t187, ptr %a188
+  %t189 = call i32 @finch_file_exists(ptr %a188)
+  store { ptr, i64, i64 } %t187, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = icmp ne i32 %t189, 0
+  br i1 %t191, label %then60, label %endif62
 then60:
-  %t169 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.44, i64 1, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t173, ptr %a176
-  store { ptr, i64, i64 } %t174, ptr %a177
-  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } %t178, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.45, i64 4, i64 0 }, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  ret { ptr, i64, i64 } %t182
+  %t192 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t192, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.44, i64 1, i64 0 }, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  %t196 = load { ptr, i64, i64 }, ptr %a193
+  %t197 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t196, ptr %a199
+  store { ptr, i64, i64 } %t197, ptr %a200
+  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
+  store { ptr, i64, i64 } %t196, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = load { ptr, i64, i64 }, ptr %a198
+  store { ptr, i64, i64 } %t202, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.45, i64 4, i64 0 }, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a203
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t207
 endif62:
   br label %each.step51
 each.step51:
-  %t183 = load i64, ptr %a88
-  %t184 = add i64 %t183, 1
-  store i64 %t184, ptr %a88
+  %t208 = load i64, ptr %a99
+  %t209 = add i64 %t208, 1
+  store i64 %t209, ptr %a99
   br label %each.cond49
 each.end52:
-  %t185 = load ptr, ptr %a1
-  %t186 = icmp eq ptr %t185, null
-  br i1 %t186, label %panic63, label %ok64
+  %t210 = load ptr, ptr %a1
+  %t211 = icmp eq ptr %t210, null
+  br i1 %t211, label %panic63, label %ok64
 panic63:
-  call void @finch_panic(ptr @.str.46, i64 79, ptr @.str.47)
+  call void @finch_panic(ptr @.str.46, i64 81, ptr @.str.47)
   unreachable
 ok64:
-  %t187 = getelementptr inbounds %S.main.Loader, ptr %t185, i32 0, i32 4
-  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t187, i32 0, i32 1
-  %t189 = load i64, ptr %t188
-  %t190 = icmp sgt i64 %t189, 0
-  br i1 %t190, label %then65, label %endif67
+  %t212 = getelementptr inbounds %S.main.Loader, ptr %t210, i32 0, i32 4
+  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i32 0, i32 1
+  %t214 = load i64, ptr %t213
+  %t215 = icmp sgt i64 %t214, 0
+  br i1 %t215, label %then65, label %endif67
 then65:
-  %t191 = load ptr, ptr %a1
-  %t192 = icmp eq ptr %t191, null
-  br i1 %t192, label %panic68, label %ok69
+  %t216 = load ptr, ptr %a1
+  %t217 = icmp eq ptr %t216, null
+  br i1 %t217, label %panic68, label %ok69
 panic68:
-  call void @finch_panic(ptr @.str.48, i64 80, ptr @.str.49)
+  call void @finch_panic(ptr @.str.48, i64 82, ptr @.str.49)
   unreachable
 ok69:
-  %t193 = getelementptr inbounds %S.main.Loader, ptr %t191, i32 0, i32 4
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.50, i64 1, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t198, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.51, i64 1, i64 0 }, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = load ptr, ptr %a1
-  %t209 = icmp eq ptr %t208, null
-  br i1 %t209, label %panic70, label %ok71
+  %t218 = getelementptr inbounds %S.main.Loader, ptr %t216, i32 0, i32 4
+  %t219 = load { ptr, i64, i64 }, ptr %t218
+  store { ptr, i64, i64 } %t219, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.50, i64 1, i64 0 }, ptr %a222
+  call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a220
+  %t224 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t223, ptr %a226
+  store { ptr, i64, i64 } %t224, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t223, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  store { ptr, i64, i64 } %t229, ptr %a231
+  store { ptr, i64, i64 } { ptr @.str.51, i64 1, i64 0 }, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  store { ptr, i64, i64 } %t229, ptr %a233
+  call void @finch_str_drop(ptr %a233)
+  %t234 = load { ptr, i64, i64 }, ptr %a230
+  %t235 = load ptr, ptr %a1
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic70, label %ok71
 panic70:
-  call void @finch_panic(ptr @.str.52, i64 80, ptr @.str.53)
+  call void @finch_panic(ptr @.str.52, i64 82, ptr @.str.53)
   unreachable
 ok71:
-  %t210 = getelementptr inbounds %S.main.Loader, ptr %t208, i32 0, i32 3
-  %t211 = load { ptr, i64, i64 }, ptr %t210
-  store { ptr, i64, i64 } %t207, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  store { ptr, i64, i64 } %t215, ptr %a217
-  store { ptr, i64, i64 } { ptr @.str.54, i64 4, i64 0 }, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t219, ptr %a220
-  %t221 = call i32 @finch_file_exists(ptr %a220)
-  %t222 = icmp ne i32 %t221, 0
-  br i1 %t222, label %then72, label %endif74
+  %t237 = getelementptr inbounds %S.main.Loader, ptr %t235, i32 0, i32 3
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  store { ptr, i64, i64 } %t234, ptr %a240
+  store { ptr, i64, i64 } %t238, ptr %a241
+  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
+  store { ptr, i64, i64 } %t234, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load { ptr, i64, i64 }, ptr %a239
+  store { ptr, i64, i64 } %t243, ptr %a245
+  store { ptr, i64, i64 } { ptr @.str.54, i64 4, i64 0 }, ptr %a246
+  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
+  store { ptr, i64, i64 } %t243, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  %t248 = load { ptr, i64, i64 }, ptr %a244
+  store { ptr, i64, i64 } %t248, ptr %a249
+  %t250 = call i32 @finch_file_exists(ptr %a249)
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch_str_drop(ptr %a251)
+  %t252 = icmp ne i32 %t250, 0
+  br i1 %t252, label %then72, label %endif74
 then72:
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic75, label %ok76
+  %t253 = load ptr, ptr %a1
+  %t254 = icmp eq ptr %t253, null
+  br i1 %t254, label %panic75, label %ok76
 panic75:
-  call void @finch_panic(ptr @.str.55, i64 81, ptr @.str.56)
+  call void @finch_panic(ptr @.str.55, i64 83, ptr @.str.56)
   unreachable
 ok76:
-  %t225 = getelementptr inbounds %S.main.Loader, ptr %t223, i32 0, i32 4
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  store { ptr, i64, i64 } %t226, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.57, i64 1, i64 0 }, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  %t231 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t230, ptr %a233
-  store { ptr, i64, i64 } %t231, ptr %a234
-  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
-  %t235 = load { ptr, i64, i64 }, ptr %a232
-  store { ptr, i64, i64 } %t235, ptr %a237
-  store { ptr, i64, i64 } { ptr @.str.58, i64 1, i64 0 }, ptr %a238
-  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
-  %t240 = load ptr, ptr %a1
-  %t241 = icmp eq ptr %t240, null
-  br i1 %t241, label %panic77, label %ok78
-panic77:
-  call void @finch_panic(ptr @.str.59, i64 81, ptr @.str.60)
-  unreachable
-ok78:
-  %t242 = getelementptr inbounds %S.main.Loader, ptr %t240, i32 0, i32 3
-  %t243 = load { ptr, i64, i64 }, ptr %t242
-  store { ptr, i64, i64 } %t239, ptr %a245
-  store { ptr, i64, i64 } %t243, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  store { ptr, i64, i64 } %t247, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.61, i64 4, i64 0 }, ptr %a250
-  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  ret { ptr, i64, i64 } %t251
-endif74:
-  %t252 = load ptr, ptr %a1
-  %t253 = icmp eq ptr %t252, null
-  br i1 %t253, label %panic79, label %ok80
-panic79:
-  call void @finch_panic(ptr @.str.62, i64 83, ptr @.str.63)
-  unreachable
-ok80:
-  %t254 = getelementptr inbounds %S.main.Loader, ptr %t252, i32 0, i32 4
-  %t255 = load { ptr, i64, i64 }, ptr %t254
-  store { ptr, i64, i64 } %t255, ptr %a257
-  store { ptr, i64, i64 } { ptr @.str.64, i64 1, i64 0 }, ptr %a258
-  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
-  %t259 = load { ptr, i64, i64 }, ptr %a256
-  %t260 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t259, ptr %a262
+  %t255 = getelementptr inbounds %S.main.Loader, ptr %t253, i32 0, i32 4
+  %t256 = load { ptr, i64, i64 }, ptr %t255
+  store { ptr, i64, i64 } %t256, ptr %a258
+  store { ptr, i64, i64 } { ptr @.str.57, i64 1, i64 0 }, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  %t260 = load { ptr, i64, i64 }, ptr %a257
+  %t261 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t260, ptr %a263
-  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
-  %t264 = load { ptr, i64, i64 }, ptr %a261
-  store { ptr, i64, i64 } %t264, ptr %a266
-  store { ptr, i64, i64 } { ptr @.str.65, i64 4, i64 0 }, ptr %a267
-  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
-  %t268 = load { ptr, i64, i64 }, ptr %a265
-  store { ptr, i64, i64 } %t268, ptr %a269
-  %t270 = call i32 @finch_file_exists(ptr %a269)
-  %t271 = icmp ne i32 %t270, 0
-  br i1 %t271, label %then81, label %endif83
-then81:
+  store { ptr, i64, i64 } %t261, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  store { ptr, i64, i64 } %t260, ptr %a265
+  call void @finch_str_drop(ptr %a265)
+  %t266 = load { ptr, i64, i64 }, ptr %a262
+  store { ptr, i64, i64 } %t266, ptr %a268
+  store { ptr, i64, i64 } { ptr @.str.58, i64 1, i64 0 }, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t266, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a267
   %t272 = load ptr, ptr %a1
   %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic84, label %ok85
+  br i1 %t273, label %panic77, label %ok78
+panic77:
+  call void @finch_panic(ptr @.str.59, i64 83, ptr @.str.60)
+  unreachable
+ok78:
+  %t274 = getelementptr inbounds %S.main.Loader, ptr %t272, i32 0, i32 3
+  %t275 = load { ptr, i64, i64 }, ptr %t274
+  store { ptr, i64, i64 } %t271, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  store { ptr, i64, i64 } %t271, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  %t280 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t280, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.61, i64 4, i64 0 }, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t280, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t285
+endif74:
+  %t286 = load ptr, ptr %a1
+  %t287 = icmp eq ptr %t286, null
+  br i1 %t287, label %panic79, label %ok80
+panic79:
+  call void @finch_panic(ptr @.str.62, i64 85, ptr @.str.63)
+  unreachable
+ok80:
+  %t288 = getelementptr inbounds %S.main.Loader, ptr %t286, i32 0, i32 4
+  %t289 = load { ptr, i64, i64 }, ptr %t288
+  store { ptr, i64, i64 } %t289, ptr %a291
+  store { ptr, i64, i64 } { ptr @.str.64, i64 1, i64 0 }, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  %t293 = load { ptr, i64, i64 }, ptr %a290
+  %t294 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t293, ptr %a296
+  store { ptr, i64, i64 } %t294, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  store { ptr, i64, i64 } %t293, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a295
+  store { ptr, i64, i64 } %t299, ptr %a301
+  store { ptr, i64, i64 } { ptr @.str.65, i64 4, i64 0 }, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t299, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  %t304 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } %t304, ptr %a305
+  %t306 = call i32 @finch_file_exists(ptr %a305)
+  store { ptr, i64, i64 } %t304, ptr %a307
+  call void @finch_str_drop(ptr %a307)
+  %t308 = icmp ne i32 %t306, 0
+  br i1 %t308, label %then81, label %endif83
+then81:
+  %t309 = load ptr, ptr %a1
+  %t310 = icmp eq ptr %t309, null
+  br i1 %t310, label %panic84, label %ok85
 panic84:
-  call void @finch_panic(ptr @.str.66, i64 84, ptr @.str.67)
+  call void @finch_panic(ptr @.str.66, i64 86, ptr @.str.67)
   unreachable
 ok85:
-  %t274 = getelementptr inbounds %S.main.Loader, ptr %t272, i32 0, i32 4
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  store { ptr, i64, i64 } %t275, ptr %a277
-  store { ptr, i64, i64 } { ptr @.str.68, i64 1, i64 0 }, ptr %a278
-  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
-  %t279 = load { ptr, i64, i64 }, ptr %a276
-  %t280 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t279, ptr %a282
-  store { ptr, i64, i64 } %t280, ptr %a283
-  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
-  %t284 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t284, ptr %a286
-  store { ptr, i64, i64 } { ptr @.str.69, i64 4, i64 0 }, ptr %a287
-  call void @finch_str_concat(ptr %a285, ptr %a286, ptr %a287)
-  %t288 = load { ptr, i64, i64 }, ptr %a285
-  ret { ptr, i64, i64 } %t288
+  %t311 = getelementptr inbounds %S.main.Loader, ptr %t309, i32 0, i32 4
+  %t312 = load { ptr, i64, i64 }, ptr %t311
+  store { ptr, i64, i64 } %t312, ptr %a314
+  store { ptr, i64, i64 } { ptr @.str.68, i64 1, i64 0 }, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  %t316 = load { ptr, i64, i64 }, ptr %a313
+  %t317 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t316, ptr %a319
+  store { ptr, i64, i64 } %t317, ptr %a320
+  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
+  store { ptr, i64, i64 } %t316, ptr %a321
+  call void @finch_str_drop(ptr %a321)
+  %t322 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t322, ptr %a324
+  store { ptr, i64, i64 } { ptr @.str.69, i64 4, i64 0 }, ptr %a325
+  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
+  store { ptr, i64, i64 } %t322, ptr %a326
+  call void @finch_str_drop(ptr %a326)
+  %t327 = load { ptr, i64, i64 }, ptr %a323
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t327
 endif83:
   br label %endif67
 endif67:
-  %t289 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t289, ptr %a290
-  call void @finch_str_copy(ptr %a291, ptr %a290)
-  %t292 = load { ptr, i64, i64 }, ptr %a291
-  ret { ptr, i64, i64 } %t292
+  %t328 = load { ptr, i64, i64 }, ptr %a22
+  ret { ptr, i64, i64 } %t328
+}
+
+define internal void @finch.drop.S_lexer_Token(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lexer.Token, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lexer.Token, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lexer_Token(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond107
+n.cond107:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body108, label %n.end109
+n.body108:
+  %t7 = getelementptr inbounds %S.lexer.Token, ptr %t1, i64 %t5
+  call void @finch.drop.S_lexer_Token(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond107
+n.end109:
+  call void @finch_arr_free(ptr %a)
+  ret void
 }
 
 define internal void @finch.copy.arr_str(ptr %dst, ptr %src) {
@@ -8119,20 +8516,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond107
-n.cond107:
+  br label %n.cond110
+n.cond110:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body108, label %n.end109
-n.body108:
+  br i1 %t7, label %n.body111, label %n.end112
+n.body111:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 %t6
   call void @finch_str_copy(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond107
-n.end109:
+  br label %n.cond110
+n.end112:
   ret void
 }
 
@@ -8145,20 +8542,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond115
-n.cond115:
+  br label %n.cond118
+n.cond118:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body116, label %n.end117
-n.body116:
+  br i1 %t7, label %n.body119, label %n.end120
+n.body119:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.ast.Type, ptr %t2, i64 %t6
   call void @finch.copy.S_ast_Type(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond115
-n.end117:
+  br label %n.cond118
+n.end120:
   ret void
 }
 
@@ -8223,20 +8620,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond112
-n.cond112:
+  br label %n.cond115
+n.cond115:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body113, label %n.end114
-n.body113:
+  br i1 %t7, label %n.body116, label %n.end117
+n.body116:
   %t8 = getelementptr inbounds %S.ast.Node, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.ast.Node, ptr %t2, i64 %t6
   call void @finch.copy.S_ast_Node(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond112
-n.end114:
+  br label %n.cond115
+n.end117:
   ret void
 }
 
@@ -8275,6 +8672,138 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_str(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond137
+n.cond137:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body138, label %n.end139
+n.body138:
+  %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1, i64 %t5
+  call void @finch_str_drop(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond137
+n.end139:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_ast_Type(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond143
+n.cond143:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body144, label %n.end145
+n.body144:
+  %t7 = getelementptr inbounds %S.ast.Type, ptr %t1, i64 %t5
+  call void @finch.drop.S_ast_Type(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond143
+n.end145:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_ast_Type(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_ast_Type(ptr %t2)
+  %t3 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.S_ast_Node(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 5
+  call void @finch.drop.S_ast_Type(ptr %t6)
+  %t7 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 9
+  call void @finch.drop.arr_S_ast_Node(ptr %t7)
+  %t8 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 10
+  call void @finch.drop.arr_str(ptr %t8)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_ast_Node(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond140
+n.cond140:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body141, label %n.end142
+n.body141:
+  %t7 = getelementptr inbounds %S.ast.Node, ptr %t1, i64 %t5
+  call void @finch.drop.S_ast_Node(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond140
+n.end142:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_ast_Program(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_str(ptr %t5)
+  %t6 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_S_ast_Node(ptr %t7)
+  %t8 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_S_ast_Node(ptr %t8)
+  %t9 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 8
+  call void @finch.drop.arr_S_ast_Node(ptr %t9)
+  ret void
+}
+
 define internal void @finch.main.load(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
 entry:
   %a1 = alloca ptr, align 16
@@ -8291,40 +8820,50 @@ entry:
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca i64, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca %S.ast.Program, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca i64, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca %S.ast.Program, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca %S.ast.Program, align 16
-  %a128 = alloca %S.ast.Program, align 16
-  %a134 = alloca i64, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca i64, align 16
-  %a151 = alloca i64, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca %S.ast.Program, align 16
+  %a139 = alloca %S.ast.Program, align 16
+  %a145 = alloca i64, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca i64, align 16
+  %a162 = alloca i64, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -8341,7 +8880,7 @@ logic.rhs87:
   %t10 = icmp eq ptr %t9, null
   br i1 %t10, label %panic89, label %ok90
 panic89:
-  call void @finch_panic(ptr @.str.70, i64 91, ptr @.str.71)
+  call void @finch_panic(ptr @.str.70, i64 93, ptr @.str.71)
   unreachable
 ok90:
   %t11 = getelementptr inbounds %S.main.Loader, ptr %t9, i32 0, i32 6
@@ -8395,217 +8934,242 @@ then100:
   store { ptr, i64, i64 } %t38, ptr %a40
   store { ptr, i64, i64 } { ptr @.str.73, i64 14, i64 0 }, ptr %a41
   call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t42, ptr %a45
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  %t44 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.74, i64 1, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = extractvalue { ptr, i64, i64 } %t51, 1
-  %t53 = trunc i64 %t52 to i32
-  %t54 = extractvalue { ptr, i64, i64 } %t51, 0
-  %t55 = icmp eq ptr %t54, null
-  %t56 = select i1 %t55, ptr @.str.75, ptr %t54
-  %t57 = call i32 (ptr, ...) @printf(ptr @.str.76, i32 %t53, ptr %t56)
-  %t58 = call i32 (ptr, ...) @printf(ptr @.str.77)
+  store { ptr, i64, i64 } %t44, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  store { ptr, i64, i64 } %t43, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.74, i64 1, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  %t55 = extractvalue { ptr, i64, i64 } %t54, 1
+  %t56 = trunc i64 %t55 to i32
+  %t57 = extractvalue { ptr, i64, i64 } %t54, 0
+  %t58 = icmp eq ptr %t57, null
+  %t59 = select i1 %t58, ptr @.str.75, ptr %t57
+  %t60 = call i32 (ptr, ...) @printf(ptr @.str.76, i32 %t56, ptr %t59)
+  store { ptr, i64, i64 } %t54, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = call i32 (ptr, ...) @printf(ptr @.str.77)
   br label %endif102
 else101:
-  %t59 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.78, i64 19, i64 0 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.79, i64 1, i64 0 }, ptr %a66
+  %t63 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.78, i64 19, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
   %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
-  %t69 = trunc i64 %t68 to i32
-  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
-  %t71 = icmp eq ptr %t70, null
-  %t72 = select i1 %t71, ptr @.str.80, ptr %t70
-  %t73 = call i32 (ptr, ...) @printf(ptr @.str.81, i32 %t69, ptr %t72)
-  %t74 = call i32 (ptr, ...) @printf(ptr @.str.82)
+  store { ptr, i64, i64 } %t67, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.79, i64 1, i64 0 }, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  %t73 = extractvalue { ptr, i64, i64 } %t72, 1
+  %t74 = trunc i64 %t73 to i32
+  %t75 = extractvalue { ptr, i64, i64 } %t72, 0
+  %t76 = icmp eq ptr %t75, null
+  %t77 = select i1 %t76, ptr @.str.80, ptr %t75
+  %t78 = call i32 (ptr, ...) @printf(ptr @.str.81, i32 %t74, ptr %t77)
+  store { ptr, i64, i64 } %t72, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = call i32 (ptr, ...) @printf(ptr @.str.82)
   br label %endif102
 endif102:
-  %t75 = trunc i64 1 to i32
-  %t76 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t75)
+  %t81 = trunc i64 1 to i32
+  %t82 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t81)
   br label %endif99
 endif99:
-  %t77 = load ptr, ptr %a1
-  %t78 = load { ptr, i64, i64 }, ptr %a2
-  %t79 = call { ptr, i64, i64 } @finch.main.textOfFile(ptr %t77, { ptr, i64, i64 } %t78)
-  store { ptr, i64, i64 } %t79, ptr %a80
-  %t81 = load ptr, ptr %a1
-  %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic103, label %ok104
-panic103:
-  call void @finch_panic(ptr @.str.83, i64 100, ptr @.str.84)
-  unreachable
-ok104:
-  %t83 = getelementptr inbounds %S.main.Loader, ptr %t81, i32 0, i32 1
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
-  %t85 = load i64, ptr %t84
-  store i64 %t85, ptr %a86
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a2
+  %t85 = call { ptr, i64, i64 } @finch.main.textOfFile(ptr %t83, { ptr, i64, i64 } %t84)
+  store { ptr, i64, i64 } %t85, ptr %a86
   %t87 = load ptr, ptr %a1
   %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic105, label %ok106
-panic105:
-  call void @finch_panic(ptr @.str.85, i64 101, ptr @.str.86)
+  br i1 %t88, label %panic103, label %ok104
+panic103:
+  call void @finch_panic(ptr @.str.83, i64 102, ptr @.str.84)
   unreachable
-ok106:
+ok104:
   %t89 = getelementptr inbounds %S.main.Loader, ptr %t87, i32 0, i32 1
   %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i32 0, i32 1
-  %t91 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t91, ptr %a92
-  call void @finch_str_copy(ptr %a93, ptr %a92)
-  %t94 = load { ptr, i64, i64 }, ptr %a93
-  %t95 = load i64, ptr %t90
-  %t96 = add i64 %t95, 1
-  call void @finch_arr_reserve(ptr %t89, i64 %t96, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t97 = load ptr, ptr %t89
-  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %t97, i64 %t95
-  store { ptr, i64, i64 } %t94, ptr %t98
-  store i64 %t96, ptr %t90
-  %t99 = load { ptr, i64, i64 }, ptr %a80
-  %t100 = load { ptr, i64, i64 }, ptr %a2
-  %t101 = call { ptr, i64, i64 } @finch.lexer.lex({ ptr, i64, i64 } %t99, { ptr, i64, i64 } %t100)
-  %t102 = load i64, ptr %a86
-  %t103 = load { ptr, i64, i64 }, ptr %a2
-  %t104 = call %S.ast.Program @finch.parser.parse({ ptr, i64, i64 } %t101, i64 %t102, { ptr, i64, i64 } %t103)
-  store %S.ast.Program %t104, ptr %a105
-  %t106 = load { ptr, i64, i64 }, ptr %a3
-  %t107 = getelementptr inbounds %S.ast.Program, ptr %a105, i32 0, i32 0
-  store { ptr, i64, i64 } %t106, ptr %a108
-  call void @finch_str_copy(ptr %a109, ptr %a108)
-  %t110 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t110, ptr %t107
-  %t111 = load { ptr, i64, i64 }, ptr %a2
-  %t112 = getelementptr inbounds %S.ast.Program, ptr %a105, i32 0, i32 1
-  store { ptr, i64, i64 } %t111, ptr %a113
-  call void @finch_str_copy(ptr %a114, ptr %a113)
-  %t115 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t115, ptr %t112
-  %t116 = getelementptr inbounds %S.ast.Program, ptr %a105, i32 0, i32 2
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  call void @finch.copy.arr_str(ptr %a119, ptr %a118)
-  %t120 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t120, ptr %a121
-  %t122 = load ptr, ptr %a1
-  %t123 = icmp eq ptr %t122, null
-  br i1 %t123, label %panic110, label %ok111
-panic110:
-  call void @finch_panic(ptr @.str.87, i64 106, ptr @.str.88)
+  %t91 = load i64, ptr %t90
+  store i64 %t91, ptr %a92
+  %t93 = load ptr, ptr %a1
+  %t94 = icmp eq ptr %t93, null
+  br i1 %t94, label %panic105, label %ok106
+panic105:
+  call void @finch_panic(ptr @.str.85, i64 103, ptr @.str.86)
   unreachable
-ok111:
-  %t124 = getelementptr inbounds %S.main.Loader, ptr %t122, i32 0, i32 0
-  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i32 0, i32 1
-  %t126 = load %S.ast.Program, ptr %a105
-  store %S.ast.Program %t126, ptr %a127
-  call void @finch.copy.S_ast_Program(ptr %a128, ptr %a127)
-  %t129 = load %S.ast.Program, ptr %a128
-  %t130 = load i64, ptr %t125
-  %t131 = add i64 %t130, 1
-  call void @finch_arr_reserve(ptr %t124, i64 %t131, i64 ptrtoint (ptr getelementptr (%S.ast.Program, ptr null, i32 1) to i64))
-  %t132 = load ptr, ptr %t124
-  %t133 = getelementptr inbounds %S.ast.Program, ptr %t132, i64 %t130
-  store %S.ast.Program %t129, ptr %t133
-  store i64 %t131, ptr %t125
-  store i64 0, ptr %a134
-  br label %each.cond118
-each.cond118:
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a121, i32 0, i32 1
-  %t136 = load i64, ptr %t135
-  %t137 = load i64, ptr %a134
-  %t138 = icmp slt i64 %t137, %t136
-  br i1 %t138, label %each.body119, label %each.end121
-each.body119:
-  %t139 = load ptr, ptr %a121
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t139, i64 %t137
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t141, ptr %a142
-  %t143 = load ptr, ptr %a1
-  %t144 = icmp eq ptr %t143, null
-  br i1 %t144, label %panic122, label %ok123
-panic122:
-  call void @finch_panic(ptr @.str.89, i64 108, ptr @.str.90)
+ok106:
+  %t95 = getelementptr inbounds %S.main.Loader, ptr %t93, i32 0, i32 1
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i32 0, i32 1
+  %t97 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t97, ptr %a98
+  call void @finch_str_copy(ptr %a99, ptr %a98)
+  %t100 = load { ptr, i64, i64 }, ptr %a99
+  %t101 = load i64, ptr %t96
+  %t102 = add i64 %t101, 1
+  call void @finch_arr_reserve(ptr %t95, i64 %t102, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t103 = load ptr, ptr %t95
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 %t101
+  store { ptr, i64, i64 } %t100, ptr %t104
+  store i64 %t102, ptr %t96
+  %t105 = load { ptr, i64, i64 }, ptr %a86
+  %t106 = load { ptr, i64, i64 }, ptr %a2
+  %t107 = call { ptr, i64, i64 } @finch.lexer.lex({ ptr, i64, i64 } %t105, { ptr, i64, i64 } %t106)
+  %t108 = load i64, ptr %a92
+  %t109 = load { ptr, i64, i64 }, ptr %a2
+  %t110 = call %S.ast.Program @finch.parser.parse({ ptr, i64, i64 } %t107, i64 %t108, { ptr, i64, i64 } %t109)
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch.drop.arr_S_lexer_Token(ptr %a111)
+  store %S.ast.Program %t110, ptr %a112
+  %t113 = load { ptr, i64, i64 }, ptr %a3
+  %t114 = getelementptr inbounds %S.ast.Program, ptr %a112, i32 0, i32 0
+  store { ptr, i64, i64 } %t113, ptr %a115
+  call void @finch_str_copy(ptr %a116, ptr %a115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  %t118 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } %t117, ptr %t114
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a2
+  %t121 = getelementptr inbounds %S.ast.Program, ptr %a112, i32 0, i32 1
+  store { ptr, i64, i64 } %t120, ptr %a122
+  call void @finch_str_copy(ptr %a123, ptr %a122)
+  %t124 = load { ptr, i64, i64 }, ptr %a123
+  %t125 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t124, ptr %t121
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = getelementptr inbounds %S.ast.Program, ptr %a112, i32 0, i32 2
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a129
+  call void @finch.copy.arr_str(ptr %a130, ptr %a129)
+  %t131 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  %t133 = load ptr, ptr %a1
+  %t134 = icmp eq ptr %t133, null
+  br i1 %t134, label %panic113, label %ok114
+panic113:
+  call void @finch_panic(ptr @.str.87, i64 108, ptr @.str.88)
   unreachable
-ok123:
-  %t145 = getelementptr inbounds %S.main.Loader, ptr %t143, i32 0, i32 2
-  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
-  %t147 = load { ptr, i64, i64 }, ptr %a142
-  store i64 -1, ptr %a148
-  %t149 = load i64, ptr %t146
-  %t150 = load ptr, ptr %t145
-  store i64 0, ptr %a151
-  br label %find.cond124
-find.cond124:
-  %t152 = load i64, ptr %a151
-  %t153 = icmp slt i64 %t152, %t149
-  br i1 %t153, label %find.body125, label %find.end128
-find.body125:
-  %t154 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t152
-  %t155 = load { ptr, i64, i64 }, ptr %t154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } %t147, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br i1 %t159, label %find.hit126, label %find.next127
-find.hit126:
-  store i64 %t152, ptr %a148
-  br label %find.end128
-find.next127:
-  %t160 = add i64 %t152, 1
-  store i64 %t160, ptr %a151
-  br label %find.cond124
-find.end128:
-  %t161 = load i64, ptr %a148
-  %t162 = icmp sge i64 %t161, 0
-  %t163 = xor i1 %t162, true
-  br i1 %t163, label %then129, label %endif131
-then129:
-  %t164 = load ptr, ptr %a1
-  %t165 = icmp eq ptr %t164, null
-  br i1 %t165, label %panic132, label %ok133
-panic132:
-  call void @finch_panic(ptr @.str.91, i64 109, ptr @.str.92)
+ok114:
+  %t135 = getelementptr inbounds %S.main.Loader, ptr %t133, i32 0, i32 0
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
+  %t137 = load %S.ast.Program, ptr %a112
+  store %S.ast.Program %t137, ptr %a138
+  call void @finch.copy.S_ast_Program(ptr %a139, ptr %a138)
+  %t140 = load %S.ast.Program, ptr %a139
+  %t141 = load i64, ptr %t136
+  %t142 = add i64 %t141, 1
+  call void @finch_arr_reserve(ptr %t135, i64 %t142, i64 ptrtoint (ptr getelementptr (%S.ast.Program, ptr null, i32 1) to i64))
+  %t143 = load ptr, ptr %t135
+  %t144 = getelementptr inbounds %S.ast.Program, ptr %t143, i64 %t141
+  store %S.ast.Program %t140, ptr %t144
+  store i64 %t142, ptr %t136
+  store i64 0, ptr %a145
+  br label %each.cond121
+each.cond121:
+  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  %t147 = load i64, ptr %t146
+  %t148 = load i64, ptr %a145
+  %t149 = icmp slt i64 %t148, %t147
+  br i1 %t149, label %each.body122, label %each.end124
+each.body122:
+  %t150 = load ptr, ptr %a132
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t148
+  %t152 = load { ptr, i64, i64 }, ptr %t151
+  store { ptr, i64, i64 } %t152, ptr %a153
+  %t154 = load ptr, ptr %a1
+  %t155 = icmp eq ptr %t154, null
+  br i1 %t155, label %panic125, label %ok126
+panic125:
+  call void @finch_panic(ptr @.str.89, i64 110, ptr @.str.90)
   unreachable
-ok133:
-  %t166 = getelementptr inbounds %S.main.Loader, ptr %t164, i32 0, i32 2
-  %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %t166, i32 0, i32 1
-  %t168 = load { ptr, i64, i64 }, ptr %a142
-  store { ptr, i64, i64 } %t168, ptr %a169
-  call void @finch_str_copy(ptr %a170, ptr %a169)
-  %t171 = load { ptr, i64, i64 }, ptr %a170
-  %t172 = load i64, ptr %t167
-  %t173 = add i64 %t172, 1
-  call void @finch_arr_reserve(ptr %t166, i64 %t173, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t174 = load ptr, ptr %t166
-  %t175 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i64 %t172
-  store { ptr, i64, i64 } %t171, ptr %t175
-  store i64 %t173, ptr %t167
-  %t176 = load ptr, ptr %a1
-  %t177 = load ptr, ptr %a1
-  %t178 = load { ptr, i64, i64 }, ptr %a2
-  %t179 = load { ptr, i64, i64 }, ptr %a142
-  %t180 = call { ptr, i64, i64 } @finch.main.findModule(ptr %t177, { ptr, i64, i64 } %t178, { ptr, i64, i64 } %t179)
-  %t181 = load { ptr, i64, i64 }, ptr %a142
-  call void @finch.main.load(ptr %t176, { ptr, i64, i64 } %t180, { ptr, i64, i64 } %t181)
-  br label %endif131
-endif131:
-  br label %each.step120
-each.step120:
-  %t182 = load i64, ptr %a134
-  %t183 = add i64 %t182, 1
-  store i64 %t183, ptr %a134
-  br label %each.cond118
-each.end121:
+ok126:
+  %t156 = getelementptr inbounds %S.main.Loader, ptr %t154, i32 0, i32 2
+  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i32 0, i32 1
+  %t158 = load { ptr, i64, i64 }, ptr %a153
+  store i64 -1, ptr %a159
+  %t160 = load i64, ptr %t157
+  %t161 = load ptr, ptr %t156
+  store i64 0, ptr %a162
+  br label %find.cond127
+find.cond127:
+  %t163 = load i64, ptr %a162
+  %t164 = icmp slt i64 %t163, %t160
+  br i1 %t164, label %find.body128, label %find.end131
+find.body128:
+  %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t161, i64 %t163
+  %t166 = load { ptr, i64, i64 }, ptr %t165
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } %t158, ptr %a168
+  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
+  %t170 = icmp ne i32 %t169, 0
+  br i1 %t170, label %find.hit129, label %find.next130
+find.hit129:
+  store i64 %t163, ptr %a159
+  br label %find.end131
+find.next130:
+  %t171 = add i64 %t163, 1
+  store i64 %t171, ptr %a162
+  br label %find.cond127
+find.end131:
+  %t172 = load i64, ptr %a159
+  %t173 = icmp sge i64 %t172, 0
+  %t174 = xor i1 %t173, true
+  br i1 %t174, label %then132, label %endif134
+then132:
+  %t175 = load ptr, ptr %a1
+  %t176 = icmp eq ptr %t175, null
+  br i1 %t176, label %panic135, label %ok136
+panic135:
+  call void @finch_panic(ptr @.str.91, i64 111, ptr @.str.92)
+  unreachable
+ok136:
+  %t177 = getelementptr inbounds %S.main.Loader, ptr %t175, i32 0, i32 2
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %t177, i32 0, i32 1
+  %t179 = load { ptr, i64, i64 }, ptr %a153
+  store { ptr, i64, i64 } %t179, ptr %a180
+  call void @finch_str_copy(ptr %a181, ptr %a180)
+  %t182 = load { ptr, i64, i64 }, ptr %a181
+  %t183 = load i64, ptr %t178
+  %t184 = add i64 %t183, 1
+  call void @finch_arr_reserve(ptr %t177, i64 %t184, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t185 = load ptr, ptr %t177
+  %t186 = getelementptr inbounds { ptr, i64, i64 }, ptr %t185, i64 %t183
+  store { ptr, i64, i64 } %t182, ptr %t186
+  store i64 %t184, ptr %t178
+  %t187 = load ptr, ptr %a1
+  %t188 = load ptr, ptr %a1
+  %t189 = load { ptr, i64, i64 }, ptr %a2
+  %t190 = load { ptr, i64, i64 }, ptr %a153
+  %t191 = call { ptr, i64, i64 } @finch.main.findModule(ptr %t188, { ptr, i64, i64 } %t189, { ptr, i64, i64 } %t190)
+  %t192 = load { ptr, i64, i64 }, ptr %a153
+  call void @finch.main.load(ptr %t187, { ptr, i64, i64 } %t191, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  br label %endif134
+endif134:
+  br label %each.step123
+each.step123:
+  %t194 = load i64, ptr %a145
+  %t195 = add i64 %t194, 1
+  store i64 %t195, ptr %a145
+  br label %each.cond121
+each.end124:
+  call void @finch.drop.arr_str(ptr %a132)
+  call void @finch.drop.S_ast_Program(ptr %a112)
+  call void @finch_str_drop(ptr %a86)
   ret void
 }
 
@@ -8709,6 +9273,298 @@ entry:
   ret void
 }
 
+define internal { ptr, i64, i64 } @finch.main.unpack() {
+entry:
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca i64, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %t1 = call { ptr, i64, i64 } @finch.embedded.names()
+  store { ptr, i64, i64 } %t1, ptr %a2
+  %t3 = call { ptr, i64, i64 } @finch.host.cacheDir()
+  store { ptr, i64, i64 } %t3, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.145, i64 7, i64 0 }, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  %t9 = call { ptr, i64, i64 } @finch.embedded.texts()
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.146, i64 1, i64 0 }, ptr %a12
+  call void @finch_str_join(ptr %a13, ptr %a10, ptr %a12)
+  %t14 = load { ptr, i64, i64 }, ptr %a13
+  call void @finch.drop.arr_str(ptr %a10)
+  %t15 = call { ptr, i64, i64 } @finch.linker.fingerprint({ ptr, i64, i64 } %t14)
+  store { ptr, i64, i64 } %t14, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  store { ptr, i64, i64 } %t8, ptr %a18
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t8, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  store { ptr, i64, i64 } %t15, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.147, i64 5, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t28, ptr %a29
+  %t30 = call i32 @finch_file_exists(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = icmp ne i32 %t30, 0
+  br i1 %t32, label %then146, label %endif148
+then146:
+  %t33 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.arr_str(ptr %a2)
+  ret { ptr, i64, i64 } %t33
+endif148:
+  %t34 = call { ptr, i64, i64 } @finch.embedded.texts()
+  store { ptr, i64, i64 } %t34, ptr %a35
+  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t37 = load i64, ptr %t36
+  store i64 0, ptr %a38
+  br label %for.cond149
+for.cond149:
+  %t39 = load i64, ptr %a38
+  %t40 = icmp slt i64 %t39, %t37
+  br i1 %t40, label %for.body150, label %for.end152
+for.body150:
+  %t41 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t41, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.148, i64 1, i64 0 }, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  %t46 = load i64, ptr %a38
+  %t47 = load { ptr, i64, i64 }, ptr %a2
+  %t48 = extractvalue { ptr, i64, i64 } %t47, 1
+  %t49 = icmp uge i64 %t46, %t48
+  br i1 %t49, label %range153, label %inrange154
+range153:
+  call void @finch_panic_index(ptr @.str.149, i64 144, i64 %t46, i64 %t48)
+  unreachable
+inrange154:
+  %t50 = extractvalue { ptr, i64, i64 } %t47, 0
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t46
+  %t52 = load { ptr, i64, i64 }, ptr %t51
+  store { ptr, i64, i64 } %t45, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a55
+  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
+  store { ptr, i64, i64 } %t45, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  %t57 = load { ptr, i64, i64 }, ptr %a53
+  %t58 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t57)
+  store { ptr, i64, i64 } %t57, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  call void @finch.host.makeDirs({ ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.150, i64 1, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a62
+  %t66 = load i64, ptr %a38
+  %t67 = load { ptr, i64, i64 }, ptr %a2
+  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
+  %t69 = icmp uge i64 %t66, %t68
+  br i1 %t69, label %range155, label %inrange156
+range155:
+  call void @finch_panic_index(ptr @.str.151, i64 145, i64 %t66, i64 %t68)
+  unreachable
+inrange156:
+  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 %t66
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  store { ptr, i64, i64 } %t65, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t65, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = load i64, ptr %a38
+  %t79 = load { ptr, i64, i64 }, ptr %a35
+  %t80 = extractvalue { ptr, i64, i64 } %t79, 1
+  %t81 = icmp uge i64 %t78, %t80
+  br i1 %t81, label %range157, label %inrange158
+range157:
+  call void @finch_panic_index(ptr @.str.152, i64 145, i64 %t78, i64 %t80)
+  unreachable
+inrange158:
+  %t82 = extractvalue { ptr, i64, i64 } %t79, 0
+  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i64 %t78
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } %t77, ptr %a85
+  store { ptr, i64, i64 } %t84, ptr %a86
+  %t87 = call i32 @finch_write_file(ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t77, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = icmp ne i32 %t87, 0
+  br label %for.step151
+for.step151:
+  %t90 = load i64, ptr %a38
+  %t91 = add i64 %t90, 1
+  store i64 %t91, ptr %a38
+  br label %for.cond149
+for.end152:
+  %t92 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.153, i64 5, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t96, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.154, i64 0, i64 0 }, ptr %a98
+  %t99 = call i32 @finch_write_file(ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t96, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = icmp ne i32 %t99, 0
+  %t102 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.arr_str(ptr %a35)
+  call void @finch.drop.arr_str(ptr %a2)
+  ret { ptr, i64, i64 } %t102
+}
+
+define internal void @finch.drop.S_cimport_Header(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Header, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.Header, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_cimport_Header(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond399
+n.cond399:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body400, label %n.end401
+n.body400:
+  %t7 = getelementptr inbounds %S.cimport.Header, ptr %t1, i64 %t5
+  call void @finch.drop.S_cimport_Header(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond399
+n.end401:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_ast_Program(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond402
+n.cond402:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body403, label %n.end404
+n.body403:
+  %t7 = getelementptr inbounds %S.ast.Program, ptr %t1, i64 %t5
+  call void @finch.drop.S_ast_Program(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond402
+n.end404:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_main_Loader(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_ast_Program(ptr %t1)
+  %t2 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
+  %t3 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t7)
+  %t8 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_str(ptr %t8)
+  ret void
+}
+
+define internal void @finch.drop.S_platform_Target(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 6
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 8
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
 define internal void @finch.copy.S_platform_Target(ptr %dst, ptr %src) {
 entry:
 
@@ -8729,6 +9585,260 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Options(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Options, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Options, ptr %a, i32 0, i32 4
+  call void @finch.drop.S_platform_Target(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CFunc(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 2
+  call void @finch.drop.S_ast_Type(ptr %t3)
+  %t4 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_S_ast_Type(ptr %t4)
+  %t5 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 5
+  call void @finch_str_drop(ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_cimport_CFunc(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond412
+n.cond412:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body413, label %n.end414
+n.body413:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live415, label %entry.next416
+entry.live415:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_cimport_CFunc(ptr %t13)
+  br label %entry.next416
+entry.next416:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond412
+n.end414:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CConst(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CConst, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t1)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_cimport_CConst(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond417
+n.cond417:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body418, label %n.end419
+n.body418:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live420, label %entry.next421
+entry.live420:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_cimport_CConst(ptr %t13)
+  br label %entry.next421
+entry.next421:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond417
+n.end419:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_ast_Type(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond422
+n.cond422:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body423, label %n.end424
+n.body423:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live425, label %entry.next426
+entry.live425:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_ast_Type(ptr %t13)
+  br label %entry.next426
+entry.next426:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond422
+n.end424:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CField(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CField, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CField, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_cimport_CField(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond432
+n.cond432:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body433, label %n.end434
+n.body433:
+  %t7 = getelementptr inbounds %S.cimport.CField, ptr %t1, i64 %t5
+  call void @finch.drop.S_cimport_CField(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond432
+n.end434:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CStruct(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CStruct, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CStruct, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_cimport_CField(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.CStruct, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t3)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_cimport_CStruct(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond427
+n.cond427:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body428, label %n.end429
+n.body428:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live430, label %entry.next431
+entry.live430:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_cimport_CStruct(ptr %t13)
+  br label %entry.next431
+entry.next431:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond427
+n.end429:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CImports(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 0
+  call void @finch.drop.map_str_S_cimport_CFunc(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 1
+  call void @finch.drop.map_str_S_cimport_CConst(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 2
+  call void @finch.drop.map_str_S_ast_Type(ptr %t3)
+  %t4 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 3
+  call void @finch.drop.map_str_S_cimport_CStruct(ptr %t4)
+  %t5 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_str(ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.S_linker_Build(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t6)
+  ret void
+}
+
 define internal i64 @finch.main.main({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -8777,343 +9887,406 @@ entry:
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   %a297 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
   %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca %S.platform.Target, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca %S.platform.Target, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
-  %a385 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
   %a400 = alloca { ptr, i64, i64 }, align 16
-  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
   %a412 = alloca { ptr, i64, i64 }, align 16
   %a413 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
   %a417 = alloca { ptr, i64, i64 }, align 16
   %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
   %a420 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
   %a431 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca %S.main.Loader, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
   %a450 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a457 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
   %a459 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a472 = alloca i64, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a462 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca %S.main.Loader, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
-  %a488 = alloca { ptr, i64, i64 }, align 16
-  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
   %a496 = alloca { ptr, i64, i64 }, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
-  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
   %a509 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
   %a519 = alloca { ptr, i64, i64 }, align 16
   %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca i64, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a533 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca i64, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
   %a548 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
   %a552 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
-  %a556 = alloca { ptr, i64, i64 }, align 16
-  %a557 = alloca { ptr, i64, i64 }, align 16
   %a559 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca i64, align 16
-  %a569 = alloca %S.ast.Program, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
   %a573 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca i64, align 16
-  %a579 = alloca i64, align 16
-  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
   %a585 = alloca { ptr, i64, i64 }, align 16
-  %a594 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a604 = alloca i64, align 16
-  %a616 = alloca i64, align 16
-  %a619 = alloca i64, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a597 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a602 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca i64, align 16
+  %a615 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
   %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
+  %a643 = alloca { ptr, i64, i64 }, align 16
+  %a645 = alloca i64, align 16
+  %a653 = alloca %S.ast.Program, align 16
   %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a660 = alloca i64, align 16
+  %a663 = alloca i64, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
   %a669 = alloca { ptr, i64, i64 }, align 16
-  %a670 = alloca { ptr, i64, i64 }, align 16
-  %a680 = alloca i64, align 16
-  %a688 = alloca { ptr, i64, i64 }, align 16
-  %a690 = alloca { ptr, i64, i64 }, align 16
-  %a691 = alloca { ptr, i64, i64 }, align 16
-  %a692 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
-  %a704 = alloca { ptr, i64, i64 }, align 16
-  %a705 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca i64, align 16
+  %a700 = alloca i64, align 16
+  %a703 = alloca i64, align 16
+  %a708 = alloca { ptr, i64, i64 }, align 16
+  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
   %a726 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
-  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a741 = alloca { ptr, i64, i64 }, align 16
   %a742 = alloca { ptr, i64, i64 }, align 16
-  %a743 = alloca { ptr, i64, i64 }, align 16
-  %a757 = alloca { ptr, i64, i64 }, align 16
-  %a766 = alloca %S.cimport.CImports, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a764 = alloca i64, align 16
+  %a772 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
   %a775 = alloca { ptr, i64, i64 }, align 16
   %a776 = alloca { ptr, i64, i64 }, align 16
-  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a780 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
   %a788 = alloca { ptr, i64, i64 }, align 16
   %a789 = alloca { ptr, i64, i64 }, align 16
-  %a793 = alloca %S.platform.Target, align 16
-  %a794 = alloca %S.platform.Target, align 16
-  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca { ptr, i64, i64 }, align 16
   %a800 = alloca { ptr, i64, i64 }, align 16
   %a801 = alloca { ptr, i64, i64 }, align 16
-  %a805 = alloca { ptr, i64, i64 }, align 16
-  %a806 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
+  %a811 = alloca { ptr, i64, i64 }, align 16
+  %a812 = alloca { ptr, i64, i64 }, align 16
   %a822 = alloca { ptr, i64, i64 }, align 16
-  %a824 = alloca { ptr, i64, i64 }, align 16
-  %a825 = alloca { ptr, i64, i64 }, align 16
   %a827 = alloca { ptr, i64, i64 }, align 16
-  %a838 = alloca { ptr, i64, i64 }, align 16
-  %a839 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
-  %a843 = alloca { ptr, i64, i64 }, align 16
-  %a854 = alloca { ptr, i64, i64 }, align 16
-  %a855 = alloca { ptr, i64, i64 }, align 16
-  %a856 = alloca { ptr, i64, i64 }, align 16
-  %a859 = alloca { ptr, i64, i64 }, align 16
+  %a828 = alloca { ptr, i64, i64 }, align 16
+  %a831 = alloca { ptr, i64, i64 }, align 16
+  %a844 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca %S.cimport.CImports, align 16
+  %a862 = alloca { ptr, i64, i64 }, align 16
   %a863 = alloca { ptr, i64, i64 }, align 16
-  %a868 = alloca { ptr, i64, i64 }, align 16
-  %a879 = alloca { ptr, i64, i64 }, align 16
-  %a883 = alloca { ptr, i64, i64 }, align 16
-  %a884 = alloca { ptr, i64, i64 }, align 16
+  %a872 = alloca %S.platform.Target, align 16
+  %a873 = alloca %S.platform.Target, align 16
+  %a877 = alloca %S.gen.Options, align 16
+  %a878 = alloca { ptr, i64, i64 }, align 16
+  %a880 = alloca { ptr, i64, i64 }, align 16
+  %a881 = alloca { ptr, i64, i64 }, align 16
   %a885 = alloca { ptr, i64, i64 }, align 16
-  %a888 = alloca { ptr, i64, i64 }, align 16
-  %a889 = alloca { ptr, i64, i64 }, align 16
-  %a893 = alloca { ptr, i64, i64 }, align 16
-  %a894 = alloca { ptr, i64, i64 }, align 16
-  %a898 = alloca { ptr, i64, i64 }, align 16
-  %a899 = alloca { ptr, i64, i64 }, align 16
-  %a903 = alloca { ptr, i64, i64 }, align 16
+  %a886 = alloca { ptr, i64, i64 }, align 16
+  %a902 = alloca { ptr, i64, i64 }, align 16
   %a904 = alloca { ptr, i64, i64 }, align 16
-  %a908 = alloca { ptr, i64, i64 }, align 16
-  %a909 = alloca { ptr, i64, i64 }, align 16
-  %a915 = alloca { ptr, i64, i64 }, align 16
-  %a916 = alloca { ptr, i64, i64 }, align 16
+  %a905 = alloca { ptr, i64, i64 }, align 16
+  %a907 = alloca { ptr, i64, i64 }, align 16
+  %a918 = alloca { ptr, i64, i64 }, align 16
+  %a919 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
+  %a921 = alloca { ptr, i64, i64 }, align 16
   %a924 = alloca { ptr, i64, i64 }, align 16
-  %a925 = alloca { ptr, i64, i64 }, align 16
-  %a928 = alloca { ptr, i64, i64 }, align 16
-  %a929 = alloca i64, align 16
+  %a926 = alloca { ptr, i64, i64 }, align 16
   %a937 = alloca { ptr, i64, i64 }, align 16
-  %a951 = alloca { ptr, i64, i64 }, align 16
-  %a952 = alloca { ptr, i64, i64 }, align 16
-  %a953 = alloca { ptr, i64, i64 }, align 16
-  %a955 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a939 = alloca { ptr, i64, i64 }, align 16
+  %a940 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
+  %a945 = alloca { ptr, i64, i64 }, align 16
   %a956 = alloca { ptr, i64, i64 }, align 16
   %a957 = alloca { ptr, i64, i64 }, align 16
-  %a960 = alloca { ptr, i64, i64 }, align 16
-  %a961 = alloca { ptr, i64, i64 }, align 16
-  %a963 = alloca { ptr, i64, i64 }, align 16
+  %a958 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
+  %a962 = alloca { ptr, i64, i64 }, align 16
   %a964 = alloca { ptr, i64, i64 }, align 16
-  %a965 = alloca { ptr, i64, i64 }, align 16
-  %a967 = alloca { ptr, i64, i64 }, align 16
   %a968 = alloca { ptr, i64, i64 }, align 16
-  %a970 = alloca i64, align 16
   %a973 = alloca { ptr, i64, i64 }, align 16
-  %a974 = alloca { ptr, i64, i64 }, align 16
   %a975 = alloca { ptr, i64, i64 }, align 16
-  %a977 = alloca { ptr, i64, i64 }, align 16
-  %a978 = alloca { ptr, i64, i64 }, align 16
+  %a980 = alloca { ptr, i64, i64 }, align 16
+  %a981 = alloca { ptr, i64, i64 }, align 16
+  %a982 = alloca { ptr, i64, i64 }, align 16
+  %a983 = alloca { ptr, i64, i64 }, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
+  %a990 = alloca { ptr, i64, i64 }, align 16
+  %a993 = alloca { ptr, i64, i64 }, align 16
+  %a994 = alloca { ptr, i64, i64 }, align 16
+  %a995 = alloca { ptr, i64, i64 }, align 16
+  %a998 = alloca { ptr, i64, i64 }, align 16
+  %a1000 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca { ptr, i64, i64 }, align 16
+  %a1005 = alloca { ptr, i64, i64 }, align 16
+  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1011 = alloca { ptr, i64, i64 }, align 16
+  %a1015 = alloca { ptr, i64, i64 }, align 16
+  %a1016 = alloca { ptr, i64, i64 }, align 16
+  %a1020 = alloca { ptr, i64, i64 }, align 16
+  %a1021 = alloca { ptr, i64, i64 }, align 16
+  %a1027 = alloca { ptr, i64, i64 }, align 16
+  %a1028 = alloca { ptr, i64, i64 }, align 16
+  %a1034 = alloca %S.linker.Build, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
+  %a1038 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
+  %a1042 = alloca i64, align 16
+  %a1050 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
+  %a1065 = alloca { ptr, i64, i64 }, align 16
+  %a1066 = alloca { ptr, i64, i64 }, align 16
+  %a1067 = alloca { ptr, i64, i64 }, align 16
+  %a1069 = alloca { ptr, i64, i64 }, align 16
+  %a1070 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca { ptr, i64, i64 }, align 16
+  %a1072 = alloca { ptr, i64, i64 }, align 16
+  %a1075 = alloca { ptr, i64, i64 }, align 16
+  %a1076 = alloca { ptr, i64, i64 }, align 16
+  %a1078 = alloca { ptr, i64, i64 }, align 16
+  %a1079 = alloca { ptr, i64, i64 }, align 16
+  %a1080 = alloca { ptr, i64, i64 }, align 16
+  %a1081 = alloca { ptr, i64, i64 }, align 16
+  %a1082 = alloca { ptr, i64, i64 }, align 16
+  %a1085 = alloca { ptr, i64, i64 }, align 16
+  %a1086 = alloca i64, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t3 = load i64, ptr %t2
   %t4 = icmp eq i64 %t3, 2
-  br label %logic.from134
-logic.from134:
-  br i1 %t4, label %logic.rhs135, label %logic.end136
-logic.rhs135:
+  br label %logic.from159
+logic.from159:
+  br i1 %t4, label %logic.rhs160, label %logic.end161
+logic.rhs160:
   %t5 = load { ptr, i64, i64 }, ptr %a1
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 1, %t6
-  br i1 %t7, label %range137, label %inrange138
-range137:
-  call void @finch_panic_index(ptr @.str.145, i64 133, i64 1, i64 %t6)
+  br i1 %t7, label %range162, label %inrange163
+range162:
+  call void @finch_panic_index(ptr @.str.155, i64 152, i64 1, i64 %t6)
   unreachable
-inrange138:
+inrange163:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i64 1
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.146, i64 7, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.156, i64 7, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br label %logic.from139
-logic.from139:
-  br i1 %t14, label %logic.end141, label %logic.rhs140
-logic.rhs140:
+  br label %logic.from164
+logic.from164:
+  br i1 %t14, label %logic.end166, label %logic.rhs165
+logic.rhs165:
   %t15 = load { ptr, i64, i64 }, ptr %a1
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 1, %t16
-  br i1 %t17, label %range142, label %inrange143
-range142:
-  call void @finch_panic_index(ptr @.str.147, i64 133, i64 1, i64 %t16)
+  br i1 %t17, label %range167, label %inrange168
+range167:
+  call void @finch_panic_index(ptr @.str.157, i64 152, i64 1, i64 %t16)
   unreachable
-inrange143:
+inrange168:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 1
   %t20 = load { ptr, i64, i64 }, ptr %t19
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.148, i64 9, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.158, i64 9, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend144
-logic.rend144:
-  br label %logic.end141
-logic.end141:
-  %t25 = phi i1 [ true, %logic.from139 ], [ %t24, %logic.rend144 ]
-  br label %logic.rend145
-logic.rend145:
-  br label %logic.end136
-logic.end136:
-  %t26 = phi i1 [ false, %logic.from134 ], [ %t25, %logic.rend145 ]
-  br i1 %t26, label %then146, label %endif148
-then146:
-  %t27 = extractvalue { ptr, i64, i64 } { ptr @.str.149, i64 46, i64 0 }, 1
+  br label %logic.rend169
+logic.rend169:
+  br label %logic.end166
+logic.end166:
+  %t25 = phi i1 [ true, %logic.from164 ], [ %t24, %logic.rend169 ]
+  br label %logic.rend170
+logic.rend170:
+  br label %logic.end161
+logic.end161:
+  %t26 = phi i1 [ false, %logic.from159 ], [ %t25, %logic.rend170 ]
+  br i1 %t26, label %then171, label %endif173
+then171:
+  %t27 = extractvalue { ptr, i64, i64 } { ptr @.str.159, i64 46, i64 0 }, 1
   %t28 = trunc i64 %t27 to i32
-  %t29 = extractvalue { ptr, i64, i64 } { ptr @.str.149, i64 46, i64 0 }, 0
+  %t29 = extractvalue { ptr, i64, i64 } { ptr @.str.159, i64 46, i64 0 }, 0
   %t30 = icmp eq ptr %t29, null
-  %t31 = select i1 %t30, ptr @.str.150, ptr %t29
-  %t32 = call i32 (ptr, ...) @printf(ptr @.str.151, i32 %t28, ptr %t31)
-  %t33 = call i32 (ptr, ...) @printf(ptr @.str.152)
+  %t31 = select i1 %t30, ptr @.str.160, ptr %t29
+  %t32 = call i32 (ptr, ...) @printf(ptr @.str.161, i32 %t28, ptr %t31)
+  %t33 = call i32 (ptr, ...) @printf(ptr @.str.162)
   ret i64 0
-endif148:
+endif173:
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t35 = load i64, ptr %t34
   %t36 = icmp eq i64 %t35, 2
-  br label %logic.from149
-logic.from149:
-  br i1 %t36, label %logic.rhs150, label %logic.end151
-logic.rhs150:
+  br label %logic.from174
+logic.from174:
+  br i1 %t36, label %logic.rhs175, label %logic.end176
+logic.rhs175:
   %t37 = load { ptr, i64, i64 }, ptr %a1
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 1, %t38
-  br i1 %t39, label %range152, label %inrange153
-range152:
-  call void @finch_panic_index(ptr @.str.153, i64 137, i64 1, i64 %t38)
+  br i1 %t39, label %range177, label %inrange178
+range177:
+  call void @finch_panic_index(ptr @.str.163, i64 156, i64 1, i64 %t38)
   unreachable
-inrange153:
+inrange178:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 1
   %t42 = load { ptr, i64, i64 }, ptr %t41
   store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.154, i64 3, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.164, i64 3, i64 0 }, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend154
-logic.rend154:
-  br label %logic.end151
-logic.end151:
-  %t47 = phi i1 [ false, %logic.from149 ], [ %t46, %logic.rend154 ]
-  br i1 %t47, label %then155, label %endif157
-then155:
+  br label %logic.rend179
+logic.rend179:
+  br label %logic.end176
+logic.end176:
+  %t47 = phi i1 [ false, %logic.from174 ], [ %t46, %logic.rend179 ]
+  br i1 %t47, label %then180, label %endif182
+then180:
   %t48 = load { ptr, i64, i64 }, ptr %a1
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 0, %t49
-  br i1 %t50, label %range158, label %inrange159
-range158:
-  call void @finch_panic_index(ptr @.str.155, i64 138, i64 0, i64 %t49)
+  br i1 %t50, label %range183, label %inrange184
+range183:
+  call void @finch_panic_index(ptr @.str.165, i64 157, i64 0, i64 %t49)
   unreachable
-inrange159:
+inrange184:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i64 0
   %t53 = load { ptr, i64, i64 }, ptr %t52
   %t54 = call i64 @finch.lsp.run({ ptr, i64, i64 } %t53)
   ret i64 %t54
-endif157:
+endif182:
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = icmp slt i64 %t56, 3
-  br i1 %t57, label %then160, label %endif162
-then160:
+  br i1 %t57, label %then185, label %endif187
+then185:
   call void @finch.main.usage()
-  br label %endif162
-endif162:
+  br label %endif187
+endif187:
   %t58 = load { ptr, i64, i64 }, ptr %a1
   %t59 = extractvalue { ptr, i64, i64 } %t58, 1
   %t60 = icmp uge i64 1, %t59
-  br i1 %t60, label %range163, label %inrange164
-range163:
-  call void @finch_panic_index(ptr @.str.156, i64 143, i64 1, i64 %t59)
+  br i1 %t60, label %range188, label %inrange189
+range188:
+  call void @finch_panic_index(ptr @.str.166, i64 162, i64 1, i64 %t59)
   unreachable
-inrange164:
+inrange189:
   %t61 = extractvalue { ptr, i64, i64 } %t58, 0
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i64 1
   %t63 = load { ptr, i64, i64 }, ptr %t62
@@ -9124,11 +10297,11 @@ inrange164:
   %t68 = load { ptr, i64, i64 }, ptr %a1
   %t69 = extractvalue { ptr, i64, i64 } %t68, 1
   %t70 = icmp uge i64 2, %t69
-  br i1 %t70, label %range165, label %inrange166
-range165:
-  call void @finch_panic_index(ptr @.str.157, i64 144, i64 2, i64 %t69)
+  br i1 %t70, label %range190, label %inrange191
+range190:
+  call void @finch_panic_index(ptr @.str.167, i64 163, i64 2, i64 %t69)
   unreachable
-inrange166:
+inrange191:
   %t71 = extractvalue { ptr, i64, i64 } %t68, 0
   %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i64 2
   %t73 = load { ptr, i64, i64 }, ptr %t72
@@ -9138,87 +10311,87 @@ inrange166:
   store { ptr, i64, i64 } %t76, ptr %a77
   %t78 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t78, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.158, i64 5, i64 0 }, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.168, i64 5, i64 0 }, ptr %a80
   %t81 = call i32 @finch_str_eq(ptr %a79, ptr %a80)
   %t82 = icmp eq i32 %t81, 0
-  br label %logic.from167
-logic.from167:
-  br i1 %t82, label %logic.rhs168, label %logic.end169
-logic.rhs168:
+  br label %logic.from192
+logic.from192:
+  br i1 %t82, label %logic.rhs193, label %logic.end194
+logic.rhs193:
   %t83 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t83, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.159, i64 3, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.169, i64 3, i64 0 }, ptr %a85
   %t86 = call i32 @finch_str_eq(ptr %a84, ptr %a85)
   %t87 = icmp eq i32 %t86, 0
-  br label %logic.rend170
-logic.rend170:
-  br label %logic.end169
-logic.end169:
-  %t88 = phi i1 [ false, %logic.from167 ], [ %t87, %logic.rend170 ]
-  br label %logic.from171
-logic.from171:
-  br i1 %t88, label %logic.rhs172, label %logic.end173
-logic.rhs172:
+  br label %logic.rend195
+logic.rend195:
+  br label %logic.end194
+logic.end194:
+  %t88 = phi i1 [ false, %logic.from192 ], [ %t87, %logic.rend195 ]
+  br label %logic.from196
+logic.from196:
+  br i1 %t88, label %logic.rhs197, label %logic.end198
+logic.rhs197:
   %t89 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.160, i64 2, i64 0 }, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.170, i64 2, i64 0 }, ptr %a91
   %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
   %t93 = icmp eq i32 %t92, 0
-  br label %logic.rend174
-logic.rend174:
-  br label %logic.end173
-logic.end173:
-  %t94 = phi i1 [ false, %logic.from171 ], [ %t93, %logic.rend174 ]
-  br label %logic.from175
-logic.from175:
-  br i1 %t94, label %logic.rhs176, label %logic.end177
-logic.rhs176:
+  br label %logic.rend199
+logic.rend199:
+  br label %logic.end198
+logic.end198:
+  %t94 = phi i1 [ false, %logic.from196 ], [ %t93, %logic.rend199 ]
+  br label %logic.from200
+logic.from200:
+  br i1 %t94, label %logic.rhs201, label %logic.end202
+logic.rhs201:
   %t95 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.161, i64 5, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.171, i64 5, i64 0 }, ptr %a97
   %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
   %t99 = icmp eq i32 %t98, 0
-  br label %logic.rend178
-logic.rend178:
-  br label %logic.end177
-logic.end177:
-  %t100 = phi i1 [ false, %logic.from175 ], [ %t99, %logic.rend178 ]
-  br i1 %t100, label %then179, label %endif181
-then179:
+  br label %logic.rend203
+logic.rend203:
+  br label %logic.end202
+logic.end202:
+  %t100 = phi i1 [ false, %logic.from200 ], [ %t99, %logic.rend203 ]
+  br i1 %t100, label %then204, label %endif206
+then204:
   call void @finch.main.usage()
-  br label %endif181
-endif181:
+  br label %endif206
+endif206:
   %t101 = load { ptr, i64, i64 }, ptr %a77
   %t102 = call { ptr, i64, i64 } @finch.main.stem({ ptr, i64, i64 } %t101)
   store { ptr, i64, i64 } %t102, ptr %a103
   store i1 false, ptr %a104
   store i1 false, ptr %a105
   store i1 false, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.162, i64 0, i64 0 }, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.163, i64 3, i64 0 }, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.172, i64 0, i64 0 }, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.173, i64 3, i64 0 }, ptr %a108
   store { ptr, i64, i64 } zeroinitializer, ptr %a109
   store { ptr, i64, i64 } zeroinitializer, ptr %a110
   store { ptr, i64, i64 } zeroinitializer, ptr %a111
   store { ptr, i64, i64 } zeroinitializer, ptr %a112
   store { ptr, i64, i64 } zeroinitializer, ptr %a113
   store i64 3, ptr %a114
-  br label %while.cond182
-while.cond182:
+  br label %while.cond207
+while.cond207:
   %t115 = load i64, ptr %a114
   %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t117 = load i64, ptr %t116
   %t118 = icmp slt i64 %t115, %t117
-  br i1 %t118, label %while.body183, label %while.end184
-while.body183:
+  br i1 %t118, label %while.body208, label %while.end209
+while.body208:
   %t119 = load i64, ptr %a114
   %t120 = load { ptr, i64, i64 }, ptr %a1
   %t121 = extractvalue { ptr, i64, i64 } %t120, 1
   %t122 = icmp uge i64 %t119, %t121
-  br i1 %t122, label %range185, label %inrange186
-range185:
-  call void @finch_panic_index(ptr @.str.164, i64 161, i64 %t119, i64 %t121)
+  br i1 %t122, label %range210, label %inrange211
+range210:
+  call void @finch_panic_index(ptr @.str.174, i64 180, i64 %t119, i64 %t121)
   unreachable
-inrange186:
+inrange211:
   %t123 = extractvalue { ptr, i64, i64 } %t120, 0
   %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i64 %t119
   %t125 = load { ptr, i64, i64 }, ptr %t124
@@ -9228,23 +10401,23 @@ inrange186:
   store { ptr, i64, i64 } %t128, ptr %a129
   %t130 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t130, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.165, i64 3, i64 0 }, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.175, i64 3, i64 0 }, ptr %a132
   %t133 = call i32 @finch_str_eq(ptr %a131, ptr %a132)
   %t134 = icmp ne i32 %t133, 0
-  br label %logic.from187
-logic.from187:
-  br i1 %t134, label %logic.rhs188, label %logic.end189
-logic.rhs188:
+  br label %logic.from212
+logic.from212:
+  br i1 %t134, label %logic.rhs213, label %logic.end214
+logic.rhs213:
   %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
   %t136 = load i64, ptr %t135
   %t137 = icmp sgt i64 %t136, 0
-  br label %logic.rend190
-logic.rend190:
-  br label %logic.end189
-logic.end189:
-  %t138 = phi i1 [ false, %logic.from187 ], [ %t137, %logic.rend190 ]
-  br i1 %t138, label %then191, label %else192
-then191:
+  br label %logic.rend215
+logic.rend215:
+  br label %logic.end214
+logic.end214:
+  %t138 = phi i1 [ false, %logic.from212 ], [ %t137, %logic.rend215 ]
+  br i1 %t138, label %then216, label %else217
+then216:
   %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
   %t140 = load { ptr, i64, i64 }, ptr %a129
   store { ptr, i64, i64 } %t140, ptr %a141
@@ -9257,1344 +10430,1630 @@ then191:
   %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i64 %t144
   store { ptr, i64, i64 } %t143, ptr %t147
   store i64 %t145, ptr %t139
-  br label %endif193
-else192:
+  br label %endif218
+else217:
   %t148 = load { ptr, i64, i64 }, ptr %a129
   store { ptr, i64, i64 } %t148, ptr %a149
-  store { ptr, i64, i64 } { ptr @.str.166, i64 2, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } { ptr @.str.176, i64 2, i64 0 }, ptr %a150
   %t151 = call i32 @finch_str_eq(ptr %a149, ptr %a150)
   %t152 = icmp ne i32 %t151, 0
-  br label %logic.from194
-logic.from194:
-  br i1 %t152, label %logic.rhs195, label %logic.end196
-logic.rhs195:
+  br label %logic.from219
+logic.from219:
+  br i1 %t152, label %logic.rhs220, label %logic.end221
+logic.rhs220:
   %t153 = load i64, ptr %a114
   %t154 = add i64 %t153, 1
   %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t156 = load i64, ptr %t155
   %t157 = icmp slt i64 %t154, %t156
-  br label %logic.rend197
-logic.rend197:
-  br label %logic.end196
-logic.end196:
-  %t158 = phi i1 [ false, %logic.from194 ], [ %t157, %logic.rend197 ]
-  br label %logic.from198
-logic.from198:
-  br i1 %t158, label %logic.rhs199, label %logic.end200
-logic.rhs199:
+  br label %logic.rend222
+logic.rend222:
+  br label %logic.end221
+logic.end221:
+  %t158 = phi i1 [ false, %logic.from219 ], [ %t157, %logic.rend222 ]
+  br label %logic.from223
+logic.from223:
+  br i1 %t158, label %logic.rhs224, label %logic.end225
+logic.rhs224:
   %t159 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t159, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.167, i64 5, i64 0 }, ptr %a161
+  store { ptr, i64, i64 } { ptr @.str.177, i64 5, i64 0 }, ptr %a161
   %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
   %t163 = icmp ne i32 %t162, 0
-  br label %logic.rend201
-logic.rend201:
-  br label %logic.end200
-logic.end200:
-  %t164 = phi i1 [ false, %logic.from198 ], [ %t163, %logic.rend201 ]
-  br i1 %t164, label %then202, label %else203
-then202:
+  br label %logic.rend226
+logic.rend226:
+  br label %logic.end225
+logic.end225:
+  %t164 = phi i1 [ false, %logic.from223 ], [ %t163, %logic.rend226 ]
+  br i1 %t164, label %then227, label %else228
+then227:
   %t165 = load i64, ptr %a114
   %t166 = add i64 %t165, 1
   %t167 = load { ptr, i64, i64 }, ptr %a1
   %t168 = extractvalue { ptr, i64, i64 } %t167, 1
   %t169 = icmp uge i64 %t166, %t168
-  br i1 %t169, label %range205, label %inrange206
-range205:
-  call void @finch_panic_index(ptr @.str.168, i64 165, i64 %t166, i64 %t168)
+  br i1 %t169, label %range230, label %inrange231
+range230:
+  call void @finch_panic_index(ptr @.str.178, i64 184, i64 %t166, i64 %t168)
   unreachable
-inrange206:
+inrange231:
   %t170 = extractvalue { ptr, i64, i64 } %t167, 0
   %t171 = getelementptr inbounds { ptr, i64, i64 }, ptr %t170, i64 %t166
   %t172 = load { ptr, i64, i64 }, ptr %t171
   store { ptr, i64, i64 } %t172, ptr %a173
   call void @finch_str_copy(ptr %a174, ptr %a173)
   %t175 = load { ptr, i64, i64 }, ptr %a174
+  %t176 = load { ptr, i64, i64 }, ptr %a103
   store { ptr, i64, i64 } %t175, ptr %a103
+  store { ptr, i64, i64 } %t176, ptr %a177
+  call void @finch_str_drop(ptr %a177)
   store i1 true, ptr %a104
-  %t176 = load i64, ptr %a114
-  %t177 = add i64 %t176, 1
-  store i64 %t177, ptr %a114
-  br label %endif204
-else203:
-  %t178 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t178, ptr %a179
-  store { ptr, i64, i64 } { ptr @.str.169, i64 8, i64 0 }, ptr %a180
-  %t181 = call i32 @finch_str_eq(ptr %a179, ptr %a180)
-  %t182 = icmp ne i32 %t181, 0
-  br label %logic.from207
-logic.from207:
-  br i1 %t182, label %logic.rhs208, label %logic.end209
-logic.rhs208:
-  %t183 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t183, ptr %a184
-  store { ptr, i64, i64 } { ptr @.str.170, i64 5, i64 0 }, ptr %a185
-  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
-  %t187 = icmp ne i32 %t186, 0
-  br label %logic.rend210
-logic.rend210:
-  br label %logic.end209
-logic.end209:
-  %t188 = phi i1 [ false, %logic.from207 ], [ %t187, %logic.rend210 ]
-  br i1 %t188, label %then211, label %else212
-then211:
+  %t178 = load i64, ptr %a114
+  %t179 = add i64 %t178, 1
+  store i64 %t179, ptr %a114
+  br label %endif229
+else228:
+  %t180 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t180, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.179, i64 8, i64 0 }, ptr %a182
+  %t183 = call i32 @finch_str_eq(ptr %a181, ptr %a182)
+  %t184 = icmp ne i32 %t183, 0
+  br label %logic.from232
+logic.from232:
+  br i1 %t184, label %logic.rhs233, label %logic.end234
+logic.rhs233:
+  %t185 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t185, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.180, i64 5, i64 0 }, ptr %a187
+  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
+  %t189 = icmp ne i32 %t188, 0
+  br label %logic.rend235
+logic.rend235:
+  br label %logic.end234
+logic.end234:
+  %t190 = phi i1 [ false, %logic.from232 ], [ %t189, %logic.rend235 ]
+  br i1 %t190, label %then236, label %else237
+then236:
   store i1 true, ptr %a105
-  br label %endif213
-else212:
-  %t189 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t189, ptr %a190
-  store { ptr, i64, i64 } { ptr @.str.171, i64 3, i64 0 }, ptr %a191
-  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
-  %t193 = icmp ne i32 %t192, 0
-  br i1 %t193, label %then214, label %else215
-then214:
-  store { ptr, i64, i64 } { ptr @.str.172, i64 3, i64 0 }, ptr %a108
-  br label %endif216
-else215:
-  %t194 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t194, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.173, i64 2, i64 0 }, ptr %a196
-  %t197 = call i32 @finch_str_eq(ptr %a195, ptr %a196)
-  %t198 = icmp ne i32 %t197, 0
-  br label %logic.from217
-logic.from217:
-  br i1 %t198, label %logic.rhs218, label %logic.end219
-logic.rhs218:
-  %t199 = load i64, ptr %a114
-  %t200 = add i64 %t199, 1
-  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t202 = load i64, ptr %t201
-  %t203 = icmp slt i64 %t200, %t202
-  br label %logic.rend220
-logic.rend220:
-  br label %logic.end219
-logic.end219:
-  %t204 = phi i1 [ false, %logic.from217 ], [ %t203, %logic.rend220 ]
-  br i1 %t204, label %then221, label %else222
-then221:
-  %t205 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
-  %t206 = load i64, ptr %a114
-  %t207 = add i64 %t206, 1
-  %t208 = load { ptr, i64, i64 }, ptr %a1
-  %t209 = extractvalue { ptr, i64, i64 } %t208, 1
-  %t210 = icmp uge i64 %t207, %t209
-  br i1 %t210, label %range224, label %inrange225
-range224:
-  call void @finch_panic_index(ptr @.str.174, i64 173, i64 %t207, i64 %t209)
-  unreachable
-inrange225:
-  %t211 = extractvalue { ptr, i64, i64 } %t208, 0
-  %t212 = getelementptr inbounds { ptr, i64, i64 }, ptr %t211, i64 %t207
-  %t213 = load { ptr, i64, i64 }, ptr %t212
-  store { ptr, i64, i64 } %t213, ptr %a214
-  call void @finch_str_copy(ptr %a215, ptr %a214)
-  %t216 = load { ptr, i64, i64 }, ptr %a215
-  %t217 = load i64, ptr %t205
-  %t218 = add i64 %t217, 1
-  call void @finch_arr_reserve(ptr %a109, i64 %t218, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t219 = load ptr, ptr %a109
-  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %t219, i64 %t217
-  store { ptr, i64, i64 } %t216, ptr %t220
-  store i64 %t218, ptr %t205
-  %t221 = load i64, ptr %a114
-  %t222 = add i64 %t221, 1
-  store i64 %t222, ptr %a114
-  br label %endif223
-else222:
-  %t223 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t223, ptr %a224
-  store { ptr, i64, i64 } { ptr @.str.176, i64 2, i64 0 }, ptr %a226
-  %t227 = call i32 @finch_str_starts(ptr %a224, ptr %a226)
-  %t228 = icmp ne i32 %t227, 0
-  br label %logic.from226
-logic.from226:
-  br i1 %t228, label %logic.rhs227, label %logic.end228
-logic.rhs227:
-  %t229 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  %t230 = load i64, ptr %t229
-  %t231 = icmp sgt i64 %t230, 2
-  br label %logic.rend229
-logic.rend229:
-  br label %logic.end228
-logic.end228:
-  %t232 = phi i1 [ false, %logic.from226 ], [ %t231, %logic.rend229 ]
-  br i1 %t232, label %then230, label %else231
-then230:
-  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
-  %t234 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t234, ptr %a235
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  %t238 = load i64, ptr %t237
-  call void @finch_str_sub(ptr %a236, ptr %a235, i64 2, i64 %t238, ptr @.str.177, i64 176)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
-  %t240 = load i64, ptr %t233
-  %t241 = add i64 %t240, 1
-  call void @finch_arr_reserve(ptr %a109, i64 %t241, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t242 = load ptr, ptr %a109
-  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i64 %t240
-  store { ptr, i64, i64 } %t239, ptr %t243
-  store i64 %t241, ptr %t233
-  br label %endif232
-else231:
-  %t244 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t244, ptr %a245
-  store { ptr, i64, i64 } { ptr @.str.178, i64 2, i64 0 }, ptr %a246
-  %t247 = call i32 @finch_str_eq(ptr %a245, ptr %a246)
-  %t248 = icmp ne i32 %t247, 0
-  br label %logic.from233
-logic.from233:
-  br i1 %t248, label %logic.rhs234, label %logic.end235
-logic.rhs234:
-  %t249 = load i64, ptr %a114
-  %t250 = add i64 %t249, 1
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  %t253 = icmp slt i64 %t250, %t252
-  br label %logic.rend236
-logic.rend236:
-  br label %logic.end235
-logic.end235:
-  %t254 = phi i1 [ false, %logic.from233 ], [ %t253, %logic.rend236 ]
-  br i1 %t254, label %then237, label %else238
-then237:
-  %t255 = getelementptr inbounds { ptr, i64, i64 }, ptr %a110, i32 0, i32 1
-  %t256 = load i64, ptr %a114
-  %t257 = add i64 %t256, 1
-  %t258 = load { ptr, i64, i64 }, ptr %a1
-  %t259 = extractvalue { ptr, i64, i64 } %t258, 1
-  %t260 = icmp uge i64 %t257, %t259
-  br i1 %t260, label %range240, label %inrange241
-range240:
-  call void @finch_panic_index(ptr @.str.179, i64 178, i64 %t257, i64 %t259)
-  unreachable
-inrange241:
-  %t261 = extractvalue { ptr, i64, i64 } %t258, 0
-  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t261, i64 %t257
-  %t263 = load { ptr, i64, i64 }, ptr %t262
-  store { ptr, i64, i64 } %t263, ptr %a264
-  call void @finch_str_copy(ptr %a265, ptr %a264)
-  %t266 = load { ptr, i64, i64 }, ptr %a265
-  %t267 = load i64, ptr %t255
-  %t268 = add i64 %t267, 1
-  call void @finch_arr_reserve(ptr %a110, i64 %t268, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t269 = load ptr, ptr %a110
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i64 %t267
-  store { ptr, i64, i64 } %t266, ptr %t270
-  store i64 %t268, ptr %t255
-  %t271 = load i64, ptr %a114
-  %t272 = add i64 %t271, 1
-  store i64 %t272, ptr %a114
-  br label %endif239
-else238:
-  %t273 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t273, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.180, i64 9, i64 0 }, ptr %a275
-  %t276 = call i32 @finch_str_eq(ptr %a274, ptr %a275)
-  %t277 = icmp ne i32 %t276, 0
+  br label %endif238
+else237:
+  %t191 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t191, ptr %a192
+  store { ptr, i64, i64 } { ptr @.str.181, i64 3, i64 0 }, ptr %a193
+  %t194 = call i32 @finch_str_eq(ptr %a192, ptr %a193)
+  %t195 = icmp ne i32 %t194, 0
+  br i1 %t195, label %then239, label %else240
+then239:
+  %t196 = load { ptr, i64, i64 }, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.182, i64 3, i64 0 }, ptr %a108
+  store { ptr, i64, i64 } %t196, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  br label %endif241
+else240:
+  %t198 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t198, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.183, i64 2, i64 0 }, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp ne i32 %t201, 0
   br label %logic.from242
 logic.from242:
-  br i1 %t277, label %logic.rhs243, label %logic.end244
+  br i1 %t202, label %logic.rhs243, label %logic.end244
 logic.rhs243:
-  %t278 = load i64, ptr %a114
-  %t279 = add i64 %t278, 1
-  %t280 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t281 = load i64, ptr %t280
-  %t282 = icmp slt i64 %t279, %t281
+  %t203 = load i64, ptr %a114
+  %t204 = add i64 %t203, 1
+  %t205 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t206 = load i64, ptr %t205
+  %t207 = icmp slt i64 %t204, %t206
   br label %logic.rend245
 logic.rend245:
   br label %logic.end244
 logic.end244:
-  %t283 = phi i1 [ false, %logic.from242 ], [ %t282, %logic.rend245 ]
-  br i1 %t283, label %then246, label %else247
+  %t208 = phi i1 [ false, %logic.from242 ], [ %t207, %logic.rend245 ]
+  br i1 %t208, label %then246, label %else247
 then246:
-  %t284 = load i64, ptr %a114
-  %t285 = add i64 %t284, 1
-  %t286 = load { ptr, i64, i64 }, ptr %a1
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 %t285, %t287
-  br i1 %t288, label %range249, label %inrange250
+  %t209 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
+  %t210 = load i64, ptr %a114
+  %t211 = add i64 %t210, 1
+  %t212 = load { ptr, i64, i64 }, ptr %a1
+  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
+  %t214 = icmp uge i64 %t211, %t213
+  br i1 %t214, label %range249, label %inrange250
 range249:
-  call void @finch_panic_index(ptr @.str.181, i64 181, i64 %t285, i64 %t287)
+  call void @finch_panic_index(ptr @.str.184, i64 192, i64 %t211, i64 %t213)
   unreachable
 inrange250:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i64 %t285
-  %t291 = load { ptr, i64, i64 }, ptr %t290
-  store { ptr, i64, i64 } %t291, ptr %a292
-  store { ptr, i64, i64 } { ptr @.str.183, i64 1, i64 0 }, ptr %a294
-  call void @finch_str_split(ptr %a295, ptr %a292, ptr %a294)
-  %t296 = load { ptr, i64, i64 }, ptr %a295
-  store { ptr, i64, i64 } %t296, ptr %a297
-  %t298 = getelementptr inbounds { ptr, i64, i64 }, ptr %a111, i32 0, i32 1
-  %t299 = load { ptr, i64, i64 }, ptr %a297
-  %t300 = extractvalue { ptr, i64, i64 } %t299, 1
-  %t301 = icmp uge i64 0, %t300
-  br i1 %t301, label %range251, label %inrange252
-range251:
-  call void @finch_panic_index(ptr @.str.184, i64 182, i64 0, i64 %t300)
-  unreachable
-inrange252:
-  %t302 = extractvalue { ptr, i64, i64 } %t299, 0
-  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t302, i64 0
-  %t304 = load { ptr, i64, i64 }, ptr %t303
-  store { ptr, i64, i64 } %t304, ptr %a305
-  call void @finch_str_copy(ptr %a306, ptr %a305)
-  %t307 = load { ptr, i64, i64 }, ptr %a306
-  %t308 = load i64, ptr %t298
-  %t309 = add i64 %t308, 1
-  call void @finch_arr_reserve(ptr %a111, i64 %t309, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t310 = load ptr, ptr %a111
-  %t311 = getelementptr inbounds { ptr, i64, i64 }, ptr %t310, i64 %t308
-  store { ptr, i64, i64 } %t307, ptr %t311
-  store i64 %t309, ptr %t298
-  %t312 = getelementptr inbounds { ptr, i64, i64 }, ptr %a112, i32 0, i32 1
-  %t313 = load { ptr, i64, i64 }, ptr %a297
-  %t314 = extractvalue { ptr, i64, i64 } %t313, 1
-  %t315 = icmp uge i64 1, %t314
-  br i1 %t315, label %range253, label %inrange254
-range253:
-  call void @finch_panic_index(ptr @.str.185, i64 183, i64 1, i64 %t314)
-  unreachable
-inrange254:
-  %t316 = extractvalue { ptr, i64, i64 } %t313, 0
-  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t316, i64 1
-  %t318 = load { ptr, i64, i64 }, ptr %t317
-  store { ptr, i64, i64 } %t318, ptr %a319
-  call void @finch_str_copy(ptr %a320, ptr %a319)
-  %t321 = load { ptr, i64, i64 }, ptr %a320
-  %t322 = load i64, ptr %t312
-  %t323 = add i64 %t322, 1
-  call void @finch_arr_reserve(ptr %a112, i64 %t323, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t324 = load ptr, ptr %a112
-  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %t324, i64 %t322
-  store { ptr, i64, i64 } %t321, ptr %t325
-  store i64 %t323, ptr %t312
-  %t326 = load i64, ptr %a114
-  %t327 = add i64 %t326, 1
-  store i64 %t327, ptr %a114
+  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
+  %t216 = getelementptr inbounds { ptr, i64, i64 }, ptr %t215, i64 %t211
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } %t217, ptr %a218
+  call void @finch_str_copy(ptr %a219, ptr %a218)
+  %t220 = load { ptr, i64, i64 }, ptr %a219
+  %t221 = load i64, ptr %t209
+  %t222 = add i64 %t221, 1
+  call void @finch_arr_reserve(ptr %a109, i64 %t222, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t223 = load ptr, ptr %a109
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i64 %t221
+  store { ptr, i64, i64 } %t220, ptr %t224
+  store i64 %t222, ptr %t209
+  %t225 = load i64, ptr %a114
+  %t226 = add i64 %t225, 1
+  store i64 %t226, ptr %a114
   br label %endif248
 else247:
-  %t328 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t328, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.186, i64 2, i64 0 }, ptr %a330
-  %t331 = call i32 @finch_str_eq(ptr %a329, ptr %a330)
-  %t332 = icmp ne i32 %t331, 0
-  br i1 %t332, label %then255, label %else256
+  %t227 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t227, ptr %a228
+  store { ptr, i64, i64 } { ptr @.str.186, i64 2, i64 0 }, ptr %a230
+  %t231 = call i32 @finch_str_starts(ptr %a228, ptr %a230)
+  %t232 = icmp ne i32 %t231, 0
+  br label %logic.from251
+logic.from251:
+  br i1 %t232, label %logic.rhs252, label %logic.end253
+logic.rhs252:
+  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
+  %t234 = load i64, ptr %t233
+  %t235 = icmp sgt i64 %t234, 2
+  br label %logic.rend254
+logic.rend254:
+  br label %logic.end253
+logic.end253:
+  %t236 = phi i1 [ false, %logic.from251 ], [ %t235, %logic.rend254 ]
+  br i1 %t236, label %then255, label %else256
 then255:
-  store i1 true, ptr %a106
+  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
+  %t238 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t238, ptr %a239
+  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
+  %t242 = load i64, ptr %t241
+  call void @finch_str_sub(ptr %a240, ptr %a239, i64 2, i64 %t242, ptr @.str.187, i64 195)
+  %t243 = load { ptr, i64, i64 }, ptr %a240
+  %t244 = load i64, ptr %t237
+  %t245 = add i64 %t244, 1
+  call void @finch_arr_reserve(ptr %a109, i64 %t245, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t246 = load ptr, ptr %a109
+  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i64 %t244
+  store { ptr, i64, i64 } %t243, ptr %t247
+  store i64 %t245, ptr %t237
   br label %endif257
 else256:
-  %t333 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t333, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.187, i64 8, i64 0 }, ptr %a335
-  %t336 = call i32 @finch_str_eq(ptr %a334, ptr %a335)
-  %t337 = icmp ne i32 %t336, 0
+  %t248 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t248, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.188, i64 2, i64 0 }, ptr %a250
+  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
+  %t252 = icmp ne i32 %t251, 0
   br label %logic.from258
 logic.from258:
-  br i1 %t337, label %logic.rhs259, label %logic.end260
+  br i1 %t252, label %logic.rhs259, label %logic.end260
 logic.rhs259:
-  %t338 = load i64, ptr %a114
-  %t339 = add i64 %t338, 1
-  %t340 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t341 = load i64, ptr %t340
-  %t342 = icmp slt i64 %t339, %t341
+  %t253 = load i64, ptr %a114
+  %t254 = add i64 %t253, 1
+  %t255 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t256 = load i64, ptr %t255
+  %t257 = icmp slt i64 %t254, %t256
   br label %logic.rend261
 logic.rend261:
   br label %logic.end260
 logic.end260:
-  %t343 = phi i1 [ false, %logic.from258 ], [ %t342, %logic.rend261 ]
-  br i1 %t343, label %then262, label %else263
+  %t258 = phi i1 [ false, %logic.from258 ], [ %t257, %logic.rend261 ]
+  br i1 %t258, label %then262, label %else263
 then262:
-  %t344 = load i64, ptr %a114
-  %t345 = add i64 %t344, 1
-  %t346 = load { ptr, i64, i64 }, ptr %a1
-  %t347 = extractvalue { ptr, i64, i64 } %t346, 1
-  %t348 = icmp uge i64 %t345, %t347
-  br i1 %t348, label %range265, label %inrange266
+  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %a110, i32 0, i32 1
+  %t260 = load i64, ptr %a114
+  %t261 = add i64 %t260, 1
+  %t262 = load { ptr, i64, i64 }, ptr %a1
+  %t263 = extractvalue { ptr, i64, i64 } %t262, 1
+  %t264 = icmp uge i64 %t261, %t263
+  br i1 %t264, label %range265, label %inrange266
 range265:
-  call void @finch_panic_index(ptr @.str.188, i64 188, i64 %t345, i64 %t347)
+  call void @finch_panic_index(ptr @.str.189, i64 197, i64 %t261, i64 %t263)
   unreachable
 inrange266:
-  %t349 = extractvalue { ptr, i64, i64 } %t346, 0
-  %t350 = getelementptr inbounds { ptr, i64, i64 }, ptr %t349, i64 %t345
-  %t351 = load { ptr, i64, i64 }, ptr %t350
-  store { ptr, i64, i64 } %t351, ptr %a352
-  call void @finch_str_copy(ptr %a353, ptr %a352)
-  %t354 = load { ptr, i64, i64 }, ptr %a353
-  store { ptr, i64, i64 } %t354, ptr %a107
-  %t355 = load i64, ptr %a114
-  %t356 = add i64 %t355, 1
-  store i64 %t356, ptr %a114
+  %t265 = extractvalue { ptr, i64, i64 } %t262, 0
+  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 %t261
+  %t267 = load { ptr, i64, i64 }, ptr %t266
+  store { ptr, i64, i64 } %t267, ptr %a268
+  call void @finch_str_copy(ptr %a269, ptr %a268)
+  %t270 = load { ptr, i64, i64 }, ptr %a269
+  %t271 = load i64, ptr %t259
+  %t272 = add i64 %t271, 1
+  call void @finch_arr_reserve(ptr %a110, i64 %t272, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t273 = load ptr, ptr %a110
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 %t271
+  store { ptr, i64, i64 } %t270, ptr %t274
+  store i64 %t272, ptr %t259
+  %t275 = load i64, ptr %a114
+  %t276 = add i64 %t275, 1
+  store i64 %t276, ptr %a114
   br label %endif264
 else263:
-  %t357 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t357, ptr %a358
-  store { ptr, i64, i64 } { ptr @.str.189, i64 3, i64 0 }, ptr %a359
-  %t360 = call i32 @finch_str_eq(ptr %a358, ptr %a359)
-  %t361 = icmp ne i32 %t360, 0
-  br i1 %t361, label %then267, label %else268
-then267:
-  %t362 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
-  %t363 = load { ptr, i64, i64 }, ptr %a129
+  %t277 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t277, ptr %a278
+  store { ptr, i64, i64 } { ptr @.str.190, i64 9, i64 0 }, ptr %a279
+  %t280 = call i32 @finch_str_eq(ptr %a278, ptr %a279)
+  %t281 = icmp ne i32 %t280, 0
+  br label %logic.from267
+logic.from267:
+  br i1 %t281, label %logic.rhs268, label %logic.end269
+logic.rhs268:
+  %t282 = load i64, ptr %a114
+  %t283 = add i64 %t282, 1
+  %t284 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t285 = load i64, ptr %t284
+  %t286 = icmp slt i64 %t283, %t285
+  br label %logic.rend270
+logic.rend270:
+  br label %logic.end269
+logic.end269:
+  %t287 = phi i1 [ false, %logic.from267 ], [ %t286, %logic.rend270 ]
+  br i1 %t287, label %then271, label %else272
+then271:
+  %t288 = load i64, ptr %a114
+  %t289 = add i64 %t288, 1
+  %t290 = load { ptr, i64, i64 }, ptr %a1
+  %t291 = extractvalue { ptr, i64, i64 } %t290, 1
+  %t292 = icmp uge i64 %t289, %t291
+  br i1 %t292, label %range274, label %inrange275
+range274:
+  call void @finch_panic_index(ptr @.str.191, i64 200, i64 %t289, i64 %t291)
+  unreachable
+inrange275:
+  %t293 = extractvalue { ptr, i64, i64 } %t290, 0
+  %t294 = getelementptr inbounds { ptr, i64, i64 }, ptr %t293, i64 %t289
+  %t295 = load { ptr, i64, i64 }, ptr %t294
+  store { ptr, i64, i64 } %t295, ptr %a296
+  store { ptr, i64, i64 } { ptr @.str.193, i64 1, i64 0 }, ptr %a298
+  call void @finch_str_split(ptr %a299, ptr %a296, ptr %a298)
+  %t300 = load { ptr, i64, i64 }, ptr %a299
+  store { ptr, i64, i64 } %t300, ptr %a301
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %a111, i32 0, i32 1
+  %t303 = load { ptr, i64, i64 }, ptr %a301
+  %t304 = extractvalue { ptr, i64, i64 } %t303, 1
+  %t305 = icmp uge i64 0, %t304
+  br i1 %t305, label %range276, label %inrange277
+range276:
+  call void @finch_panic_index(ptr @.str.194, i64 201, i64 0, i64 %t304)
+  unreachable
+inrange277:
+  %t306 = extractvalue { ptr, i64, i64 } %t303, 0
+  %t307 = getelementptr inbounds { ptr, i64, i64 }, ptr %t306, i64 0
+  %t308 = load { ptr, i64, i64 }, ptr %t307
+  store { ptr, i64, i64 } %t308, ptr %a309
+  call void @finch_str_copy(ptr %a310, ptr %a309)
+  %t311 = load { ptr, i64, i64 }, ptr %a310
+  %t312 = load i64, ptr %t302
+  %t313 = add i64 %t312, 1
+  call void @finch_arr_reserve(ptr %a111, i64 %t313, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t314 = load ptr, ptr %a111
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 %t312
+  store { ptr, i64, i64 } %t311, ptr %t315
+  store i64 %t313, ptr %t302
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %a112, i32 0, i32 1
+  %t317 = load { ptr, i64, i64 }, ptr %a301
+  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
+  %t319 = icmp uge i64 1, %t318
+  br i1 %t319, label %range278, label %inrange279
+range278:
+  call void @finch_panic_index(ptr @.str.195, i64 202, i64 1, i64 %t318)
+  unreachable
+inrange279:
+  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
+  %t321 = getelementptr inbounds { ptr, i64, i64 }, ptr %t320, i64 1
+  %t322 = load { ptr, i64, i64 }, ptr %t321
+  store { ptr, i64, i64 } %t322, ptr %a323
+  call void @finch_str_copy(ptr %a324, ptr %a323)
+  %t325 = load { ptr, i64, i64 }, ptr %a324
+  %t326 = load i64, ptr %t316
+  %t327 = add i64 %t326, 1
+  call void @finch_arr_reserve(ptr %a112, i64 %t327, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t328 = load ptr, ptr %a112
+  %t329 = getelementptr inbounds { ptr, i64, i64 }, ptr %t328, i64 %t326
+  store { ptr, i64, i64 } %t325, ptr %t329
+  store i64 %t327, ptr %t316
+  %t330 = load i64, ptr %a114
+  %t331 = add i64 %t330, 1
+  store i64 %t331, ptr %a114
+  call void @finch.drop.arr_str(ptr %a301)
+  br label %endif273
+else272:
+  %t332 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t332, ptr %a333
+  store { ptr, i64, i64 } { ptr @.str.196, i64 2, i64 0 }, ptr %a334
+  %t335 = call i32 @finch_str_eq(ptr %a333, ptr %a334)
+  %t336 = icmp ne i32 %t335, 0
+  br i1 %t336, label %then280, label %else281
+then280:
+  store i1 true, ptr %a106
+  br label %endif282
+else281:
+  %t337 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t337, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.197, i64 8, i64 0 }, ptr %a339
+  %t340 = call i32 @finch_str_eq(ptr %a338, ptr %a339)
+  %t341 = icmp ne i32 %t340, 0
+  br label %logic.from283
+logic.from283:
+  br i1 %t341, label %logic.rhs284, label %logic.end285
+logic.rhs284:
+  %t342 = load i64, ptr %a114
+  %t343 = add i64 %t342, 1
+  %t344 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t345 = load i64, ptr %t344
+  %t346 = icmp slt i64 %t343, %t345
+  br label %logic.rend286
+logic.rend286:
+  br label %logic.end285
+logic.end285:
+  %t347 = phi i1 [ false, %logic.from283 ], [ %t346, %logic.rend286 ]
+  br i1 %t347, label %then287, label %else288
+then287:
+  %t348 = load i64, ptr %a114
+  %t349 = add i64 %t348, 1
+  %t350 = load { ptr, i64, i64 }, ptr %a1
+  %t351 = extractvalue { ptr, i64, i64 } %t350, 1
+  %t352 = icmp uge i64 %t349, %t351
+  br i1 %t352, label %range290, label %inrange291
+range290:
+  call void @finch_panic_index(ptr @.str.198, i64 207, i64 %t349, i64 %t351)
+  unreachable
+inrange291:
+  %t353 = extractvalue { ptr, i64, i64 } %t350, 0
+  %t354 = getelementptr inbounds { ptr, i64, i64 }, ptr %t353, i64 %t349
+  %t355 = load { ptr, i64, i64 }, ptr %t354
+  store { ptr, i64, i64 } %t355, ptr %a356
+  call void @finch_str_copy(ptr %a357, ptr %a356)
+  %t358 = load { ptr, i64, i64 }, ptr %a357
+  %t359 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t358, ptr %a107
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  %t361 = load i64, ptr %a114
+  %t362 = add i64 %t361, 1
+  store i64 %t362, ptr %a114
+  br label %endif289
+else288:
+  %t363 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t363, ptr %a364
-  call void @finch_str_copy(ptr %a365, ptr %a364)
-  %t366 = load { ptr, i64, i64 }, ptr %a365
-  %t367 = load i64, ptr %t362
-  %t368 = add i64 %t367, 1
-  call void @finch_arr_reserve(ptr %a113, i64 %t368, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t369 = load ptr, ptr %a113
-  %t370 = getelementptr inbounds { ptr, i64, i64 }, ptr %t369, i64 %t367
-  store { ptr, i64, i64 } %t366, ptr %t370
-  store i64 %t368, ptr %t362
-  br label %endif269
-else268:
+  store { ptr, i64, i64 } { ptr @.str.199, i64 3, i64 0 }, ptr %a365
+  %t366 = call i32 @finch_str_eq(ptr %a364, ptr %a365)
+  %t367 = icmp ne i32 %t366, 0
+  br i1 %t367, label %then292, label %else293
+then292:
+  %t368 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
+  %t369 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t369, ptr %a370
+  call void @finch_str_copy(ptr %a371, ptr %a370)
+  %t372 = load { ptr, i64, i64 }, ptr %a371
+  %t373 = load i64, ptr %t368
+  %t374 = add i64 %t373, 1
+  call void @finch_arr_reserve(ptr %a113, i64 %t374, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t375 = load ptr, ptr %a113
+  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t373
+  store { ptr, i64, i64 } %t372, ptr %t376
+  store i64 %t374, ptr %t368
+  br label %endif294
+else293:
   call void @finch.main.usage()
-  br label %endif269
-endif269:
+  br label %endif294
+endif294:
+  br label %endif289
+endif289:
+  br label %endif282
+endif282:
+  br label %endif273
+endif273:
   br label %endif264
 endif264:
   br label %endif257
 endif257:
   br label %endif248
 endif248:
-  br label %endif239
-endif239:
-  br label %endif232
-endif232:
-  br label %endif223
-endif223:
-  br label %endif216
-endif216:
-  br label %endif213
-endif213:
-  br label %endif204
-endif204:
-  br label %endif193
-endif193:
-  %t371 = load i64, ptr %a114
-  %t372 = add i64 %t371, 1
-  store i64 %t372, ptr %a114
-  br label %while.cond182
-while.end184:
-  %t373 = load { ptr, i64, i64 }, ptr %a107
-  %t374 = call %S.platform.Target @finch.platform.select({ ptr, i64, i64 } %t373)
-  store %S.platform.Target %t374, ptr %a375
-  %t376 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t376, ptr %a377
-  store { ptr, i64, i64 } { ptr @.str.190, i64 3, i64 0 }, ptr %a378
-  %t379 = call i32 @finch_str_eq(ptr %a377, ptr %a378)
-  %t380 = icmp ne i32 %t379, 0
-  br i1 %t380, label %then270, label %else271
-then270:
-  %t381 = load { ptr, i64, i64 }, ptr %a77
-  %t382 = call { ptr, i64, i64 } @finch.main.stem({ ptr, i64, i64 } %t381)
-  store { ptr, i64, i64 } { ptr @.str.191, i64 15, i64 0 }, ptr %a384
-  store { ptr, i64, i64 } %t382, ptr %a385
-  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
-  %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 6
-  %t388 = load { ptr, i64, i64 }, ptr %t387
-  store { ptr, i64, i64 } %t386, ptr %a390
-  store { ptr, i64, i64 } %t388, ptr %a391
-  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
-  %t392 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t392, ptr %a103
-  br label %endif272
-else271:
-  %t393 = load i1, ptr %a105
-  br label %logic.from273
-logic.from273:
-  br i1 %t393, label %logic.rhs274, label %logic.end275
-logic.rhs274:
-  %t394 = load i1, ptr %a104
-  %t395 = xor i1 %t394, true
-  br label %logic.rend276
-logic.rend276:
-  br label %logic.end275
-logic.end275:
-  %t396 = phi i1 [ false, %logic.from273 ], [ %t395, %logic.rend276 ]
-  br i1 %t396, label %then277, label %else278
-then277:
-  %t397 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 1
-  %t398 = load i1, ptr %t397
-  br i1 %t398, label %then280, label %else281
-then280:
-  %t399 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t399, ptr %a401
-  store { ptr, i64, i64 } { ptr @.str.192, i64 4, i64 0 }, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t403, ptr %a103
-  br label %endif282
-else281:
-  %t404 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 3
-  %t405 = load i1, ptr %t404
-  br i1 %t405, label %then283, label %else284
-then283:
-  %t406 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.193, i64 3, i64 0 }, ptr %a408
-  store { ptr, i64, i64 } %t406, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  store { ptr, i64, i64 } %t410, ptr %a412
-  store { ptr, i64, i64 } { ptr @.str.194, i64 6, i64 0 }, ptr %a413
-  call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
-  %t414 = load { ptr, i64, i64 }, ptr %a411
-  store { ptr, i64, i64 } %t414, ptr %a103
-  br label %endif285
-else284:
-  %t415 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.195, i64 3, i64 0 }, ptr %a417
-  store { ptr, i64, i64 } %t415, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  store { ptr, i64, i64 } %t419, ptr %a421
-  store { ptr, i64, i64 } { ptr @.str.196, i64 3, i64 0 }, ptr %a422
-  call void @finch_str_concat(ptr %a420, ptr %a421, ptr %a422)
-  %t423 = load { ptr, i64, i64 }, ptr %a420
-  store { ptr, i64, i64 } %t423, ptr %a103
-  br label %endif285
-endif285:
-  br label %endif282
-endif282:
-  br label %endif279
-else278:
-  %t424 = load i1, ptr %a104
-  %t425 = xor i1 %t424, true
-  br i1 %t425, label %then286, label %endif288
-then286:
-  %t426 = load { ptr, i64, i64 }, ptr %a103
-  %t427 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 6
-  %t428 = load { ptr, i64, i64 }, ptr %t427
-  store { ptr, i64, i64 } %t426, ptr %a430
-  store { ptr, i64, i64 } %t428, ptr %a431
-  call void @finch_str_concat(ptr %a429, ptr %a430, ptr %a431)
-  %t432 = load { ptr, i64, i64 }, ptr %a429
-  store { ptr, i64, i64 } %t432, ptr %a103
-  br label %endif288
-endif288:
-  br label %endif279
-endif279:
-  br label %endif272
-endif272:
-  store %S.main.Loader zeroinitializer, ptr %a433
-  %t434 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 3
-  store { ptr, i64, i64 } { ptr @.str.197, i64 5, i64 0 }, ptr %t434
-  %t435 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 1
-  %t436 = load i1, ptr %t435
-  br i1 %t436, label %then289, label %else290
-then289:
-  %t437 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 3
-  store { ptr, i64, i64 } { ptr @.str.198, i64 7, i64 0 }, ptr %t437
-  br label %endif291
-else290:
-  %t438 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 3
-  %t439 = load i1, ptr %t438
-  br i1 %t439, label %then292, label %endif294
-then292:
-  %t440 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 3
-  store { ptr, i64, i64 } { ptr @.str.199, i64 5, i64 0 }, ptr %t440
-  br label %endif294
-endif294:
-  br label %endif291
-endif291:
-  %t441 = load { ptr, i64, i64 }, ptr %a1
-  %t442 = extractvalue { ptr, i64, i64 } %t441, 1
-  %t443 = icmp uge i64 0, %t442
-  br i1 %t443, label %range295, label %inrange296
-range295:
-  call void @finch_panic_index(ptr @.str.200, i64 219, i64 0, i64 %t442)
-  unreachable
-inrange296:
-  %t444 = extractvalue { ptr, i64, i64 } %t441, 0
-  %t445 = getelementptr inbounds { ptr, i64, i64 }, ptr %t444, i64 0
-  %t446 = load { ptr, i64, i64 }, ptr %t445
-  %t447 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t446)
-  store { ptr, i64, i64 } %t447, ptr %a449
-  store { ptr, i64, i64 } { ptr @.str.201, i64 7, i64 0 }, ptr %a450
-  call void @finch_str_concat(ptr %a448, ptr %a449, ptr %a450)
-  %t451 = load { ptr, i64, i64 }, ptr %a448
-  %t452 = load { ptr, i64, i64 }, ptr %a1
-  %t453 = extractvalue { ptr, i64, i64 } %t452, 1
-  %t454 = icmp uge i64 0, %t453
-  br i1 %t454, label %range297, label %inrange298
-range297:
-  call void @finch_panic_index(ptr @.str.202, i64 219, i64 0, i64 %t453)
-  unreachable
-inrange298:
-  %t455 = extractvalue { ptr, i64, i64 } %t452, 0
-  %t456 = getelementptr inbounds { ptr, i64, i64 }, ptr %t455, i64 0
-  %t457 = load { ptr, i64, i64 }, ptr %t456
-  %t458 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t457)
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.203, i64 4, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = mul i64 3, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t464 = call ptr @finch_alloc(i64 %t463)
-  %t465 = getelementptr inbounds { ptr, i64, i64 }, ptr %t464, i64 0
-  store { ptr, i64, i64 } %t451, ptr %t465
-  %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t464, i64 1
-  store { ptr, i64, i64 } %t462, ptr %t466
-  %t467 = getelementptr inbounds { ptr, i64, i64 }, ptr %t464, i64 2
-  store { ptr, i64, i64 } { ptr @.str.204, i64 3, i64 0 }, ptr %t467
-  %t468 = insertvalue { ptr, i64, i64 } undef, ptr %t464, 0
-  %t469 = insertvalue { ptr, i64, i64 } %t468, i64 3, 1
-  %t470 = insertvalue { ptr, i64, i64 } %t469, i64 3, 2
-  store { ptr, i64, i64 } %t470, ptr %a471
-  store i64 0, ptr %a472
-  br label %each.cond299
-each.cond299:
-  %t473 = getelementptr inbounds { ptr, i64, i64 }, ptr %a471, i32 0, i32 1
-  %t474 = load i64, ptr %t473
-  %t475 = load i64, ptr %a472
-  %t476 = icmp slt i64 %t475, %t474
-  br i1 %t476, label %each.body300, label %each.end302
-each.body300:
-  %t477 = load ptr, ptr %a471
-  %t478 = getelementptr inbounds { ptr, i64, i64 }, ptr %t477, i64 %t475
-  %t479 = load { ptr, i64, i64 }, ptr %t478
-  store { ptr, i64, i64 } %t479, ptr %a480
-  %t481 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 4
-  %t482 = getelementptr inbounds { ptr, i64, i64 }, ptr %t481, i32 0, i32 1
-  %t483 = load i64, ptr %t482
-  %t484 = icmp eq i64 %t483, 0
-  br label %logic.from303
-logic.from303:
-  br i1 %t484, label %logic.rhs304, label %logic.end305
-logic.rhs304:
-  %t485 = load { ptr, i64, i64 }, ptr %a480
-  store { ptr, i64, i64 } %t485, ptr %a487
-  store { ptr, i64, i64 } { ptr @.str.205, i64 9, i64 0 }, ptr %a488
-  call void @finch_str_concat(ptr %a486, ptr %a487, ptr %a488)
-  %t489 = load { ptr, i64, i64 }, ptr %a486
-  store { ptr, i64, i64 } %t489, ptr %a490
-  %t491 = call i32 @finch_file_exists(ptr %a490)
-  %t492 = icmp ne i32 %t491, 0
-  br label %logic.rend306
-logic.rend306:
-  br label %logic.end305
-logic.end305:
-  %t493 = phi i1 [ false, %logic.from303 ], [ %t492, %logic.rend306 ]
-  br i1 %t493, label %then307, label %endif309
-then307:
-  %t494 = load { ptr, i64, i64 }, ptr %a480
-  %t495 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 4
-  store { ptr, i64, i64 } %t494, ptr %a496
-  call void @finch_str_copy(ptr %a497, ptr %a496)
-  %t498 = load { ptr, i64, i64 }, ptr %a497
-  store { ptr, i64, i64 } %t498, ptr %t495
-  br label %endif309
-endif309:
-  br label %each.step301
-each.step301:
-  %t499 = load i64, ptr %a472
-  %t500 = add i64 %t499, 1
-  store i64 %t500, ptr %a472
-  br label %each.cond299
-each.end302:
-  %t501 = load { ptr, i64, i64 }, ptr %a111
-  %t502 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 6
-  store { ptr, i64, i64 } %t501, ptr %a503
-  call void @finch.copy.arr_str(ptr %a504, ptr %a503)
-  %t505 = load { ptr, i64, i64 }, ptr %a504
-  store { ptr, i64, i64 } %t505, ptr %t502
-  %t506 = load { ptr, i64, i64 }, ptr %a112
-  %t507 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 7
-  store { ptr, i64, i64 } %t506, ptr %a508
-  call void @finch.copy.arr_str(ptr %a509, ptr %a508)
-  %t510 = load { ptr, i64, i64 }, ptr %a509
-  store { ptr, i64, i64 } %t510, ptr %t507
-  %t511 = extractvalue { ptr, i64, i64 } { ptr @.str.206, i64 10, i64 0 }, 0
-  %t512 = icmp eq ptr %t511, null
-  %t513 = select i1 %t512, ptr @.str.207, ptr %t511
-  %t514 = call ptr @getenv(ptr %t513)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a515
-  call void @finch_str_from_c(ptr %a515, ptr %t514)
-  %t516 = load { ptr, i64, i64 }, ptr %a515
-  store { ptr, i64, i64 } %t516, ptr %a517
-  store { ptr, i64, i64 } { ptr @.str.209, i64 1, i64 0 }, ptr %a519
-  call void @finch_str_split(ptr %a520, ptr %a517, ptr %a519)
-  %t521 = load { ptr, i64, i64 }, ptr %a520
-  store { ptr, i64, i64 } %t521, ptr %a522
-  store i64 0, ptr %a523
-  br label %each.cond310
-each.cond310:
-  %t524 = getelementptr inbounds { ptr, i64, i64 }, ptr %a522, i32 0, i32 1
-  %t525 = load i64, ptr %t524
-  %t526 = load i64, ptr %a523
-  %t527 = icmp slt i64 %t526, %t525
-  br i1 %t527, label %each.body311, label %each.end313
-each.body311:
-  %t528 = load ptr, ptr %a522
-  %t529 = getelementptr inbounds { ptr, i64, i64 }, ptr %t528, i64 %t526
-  %t530 = load { ptr, i64, i64 }, ptr %t529
-  store { ptr, i64, i64 } %t530, ptr %a531
-  %t532 = getelementptr inbounds { ptr, i64, i64 }, ptr %a531, i32 0, i32 1
-  %t533 = load i64, ptr %t532
-  %t534 = icmp sgt i64 %t533, 0
-  br i1 %t534, label %then314, label %endif316
+  br label %endif241
+endif241:
+  br label %endif238
+endif238:
+  br label %endif229
+endif229:
+  br label %endif218
+endif218:
+  %t377 = load i64, ptr %a114
+  %t378 = add i64 %t377, 1
+  store i64 %t378, ptr %a114
+  call void @finch_str_drop(ptr %a129)
+  br label %while.cond207
+while.end209:
+  %t379 = load { ptr, i64, i64 }, ptr %a107
+  %t380 = call %S.platform.Target @finch.platform.select({ ptr, i64, i64 } %t379)
+  store %S.platform.Target %t380, ptr %a381
+  %t382 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t382, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.200, i64 3, i64 0 }, ptr %a384
+  %t385 = call i32 @finch_str_eq(ptr %a383, ptr %a384)
+  %t386 = icmp ne i32 %t385, 0
+  br i1 %t386, label %then295, label %else296
+then295:
+  %t387 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t387, ptr %a389
+  store { ptr, i64, i64 } { ptr @.str.201, i64 11, i64 0 }, ptr %a390
+  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t387, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = load { ptr, i64, i64 }, ptr %a388
+  %t393 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a394, i64 %t393)
+  %t395 = load { ptr, i64, i64 }, ptr %a394
+  store { ptr, i64, i64 } %t392, ptr %a397
+  store { ptr, i64, i64 } %t395, ptr %a398
+  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
+  store { ptr, i64, i64 } %t392, ptr %a399
+  call void @finch_str_drop(ptr %a399)
+  store { ptr, i64, i64 } %t395, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = load { ptr, i64, i64 }, ptr %a396
+  store { ptr, i64, i64 } %t401, ptr %a403
+  store { ptr, i64, i64 } { ptr @.str.202, i64 1, i64 0 }, ptr %a404
+  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
+  store { ptr, i64, i64 } %t401, ptr %a405
+  call void @finch_str_drop(ptr %a405)
+  %t406 = load { ptr, i64, i64 }, ptr %a402
+  %t407 = load { ptr, i64, i64 }, ptr %a77
+  %t408 = call { ptr, i64, i64 } @finch.main.stem({ ptr, i64, i64 } %t407)
+  store { ptr, i64, i64 } %t406, ptr %a410
+  store { ptr, i64, i64 } %t408, ptr %a411
+  call void @finch_str_concat(ptr %a409, ptr %a410, ptr %a411)
+  store { ptr, i64, i64 } %t406, ptr %a412
+  call void @finch_str_drop(ptr %a412)
+  store { ptr, i64, i64 } %t408, ptr %a413
+  call void @finch_str_drop(ptr %a413)
+  %t414 = load { ptr, i64, i64 }, ptr %a409
+  %t415 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 6
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  store { ptr, i64, i64 } %t414, ptr %a418
+  store { ptr, i64, i64 } %t416, ptr %a419
+  call void @finch_str_concat(ptr %a417, ptr %a418, ptr %a419)
+  store { ptr, i64, i64 } %t414, ptr %a420
+  call void @finch_str_drop(ptr %a420)
+  %t421 = load { ptr, i64, i64 }, ptr %a417
+  %t422 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t421, ptr %a103
+  store { ptr, i64, i64 } %t422, ptr %a423
+  call void @finch_str_drop(ptr %a423)
+  br label %endif297
+else296:
+  %t424 = load i1, ptr %a105
+  br label %logic.from298
+logic.from298:
+  br i1 %t424, label %logic.rhs299, label %logic.end300
+logic.rhs299:
+  %t425 = load i1, ptr %a104
+  %t426 = xor i1 %t425, true
+  br label %logic.rend301
+logic.rend301:
+  br label %logic.end300
+logic.end300:
+  %t427 = phi i1 [ false, %logic.from298 ], [ %t426, %logic.rend301 ]
+  br i1 %t427, label %then302, label %else303
+then302:
+  %t428 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 1
+  %t429 = load i1, ptr %t428
+  br i1 %t429, label %then305, label %else306
+then305:
+  %t430 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t430, ptr %a432
+  store { ptr, i64, i64 } { ptr @.str.203, i64 4, i64 0 }, ptr %a433
+  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
+  %t434 = load { ptr, i64, i64 }, ptr %a431
+  %t435 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t434, ptr %a103
+  store { ptr, i64, i64 } %t435, ptr %a436
+  call void @finch_str_drop(ptr %a436)
+  br label %endif307
+else306:
+  %t437 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 3
+  %t438 = load i1, ptr %t437
+  br i1 %t438, label %then308, label %else309
+then308:
+  %t439 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.204, i64 3, i64 0 }, ptr %a441
+  store { ptr, i64, i64 } %t439, ptr %a442
+  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
+  %t443 = load { ptr, i64, i64 }, ptr %a440
+  store { ptr, i64, i64 } %t443, ptr %a445
+  store { ptr, i64, i64 } { ptr @.str.205, i64 6, i64 0 }, ptr %a446
+  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
+  store { ptr, i64, i64 } %t443, ptr %a447
+  call void @finch_str_drop(ptr %a447)
+  %t448 = load { ptr, i64, i64 }, ptr %a444
+  %t449 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t448, ptr %a103
+  store { ptr, i64, i64 } %t449, ptr %a450
+  call void @finch_str_drop(ptr %a450)
+  br label %endif310
+else309:
+  %t451 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.206, i64 3, i64 0 }, ptr %a453
+  store { ptr, i64, i64 } %t451, ptr %a454
+  call void @finch_str_concat(ptr %a452, ptr %a453, ptr %a454)
+  %t455 = load { ptr, i64, i64 }, ptr %a452
+  store { ptr, i64, i64 } %t455, ptr %a457
+  store { ptr, i64, i64 } { ptr @.str.207, i64 3, i64 0 }, ptr %a458
+  call void @finch_str_concat(ptr %a456, ptr %a457, ptr %a458)
+  store { ptr, i64, i64 } %t455, ptr %a459
+  call void @finch_str_drop(ptr %a459)
+  %t460 = load { ptr, i64, i64 }, ptr %a456
+  %t461 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t460, ptr %a103
+  store { ptr, i64, i64 } %t461, ptr %a462
+  call void @finch_str_drop(ptr %a462)
+  br label %endif310
+endif310:
+  br label %endif307
+endif307:
+  br label %endif304
+else303:
+  %t463 = load i1, ptr %a104
+  %t464 = xor i1 %t463, true
+  br i1 %t464, label %then311, label %endif313
+then311:
+  %t465 = load { ptr, i64, i64 }, ptr %a103
+  %t466 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 6
+  %t467 = load { ptr, i64, i64 }, ptr %t466
+  store { ptr, i64, i64 } %t465, ptr %a469
+  store { ptr, i64, i64 } %t467, ptr %a470
+  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
+  %t471 = load { ptr, i64, i64 }, ptr %a468
+  %t472 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t471, ptr %a103
+  store { ptr, i64, i64 } %t472, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  br label %endif313
+endif313:
+  br label %endif304
+endif304:
+  br label %endif297
+endif297:
+  store %S.main.Loader zeroinitializer, ptr %a474
+  %t475 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 3
+  %t476 = load { ptr, i64, i64 }, ptr %t475
+  store { ptr, i64, i64 } { ptr @.str.208, i64 5, i64 0 }, ptr %t475
+  store { ptr, i64, i64 } %t476, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  %t478 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 1
+  %t479 = load i1, ptr %t478
+  br i1 %t479, label %then314, label %else315
 then314:
-  %t535 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 5
-  %t536 = getelementptr inbounds { ptr, i64, i64 }, ptr %t535, i32 0, i32 1
-  %t537 = load { ptr, i64, i64 }, ptr %a531
-  store { ptr, i64, i64 } %t537, ptr %a538
-  call void @finch_str_copy(ptr %a539, ptr %a538)
-  %t540 = load { ptr, i64, i64 }, ptr %a539
-  %t541 = load i64, ptr %t536
-  %t542 = add i64 %t541, 1
-  call void @finch_arr_reserve(ptr %t535, i64 %t542, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t543 = load ptr, ptr %t535
-  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i64 %t541
-  store { ptr, i64, i64 } %t540, ptr %t544
-  store i64 %t542, ptr %t536
+  %t480 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 3
+  %t481 = load { ptr, i64, i64 }, ptr %t480
+  store { ptr, i64, i64 } { ptr @.str.209, i64 7, i64 0 }, ptr %t480
+  store { ptr, i64, i64 } %t481, ptr %a482
+  call void @finch_str_drop(ptr %a482)
+  br label %endif316
+else315:
+  %t483 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 3
+  %t484 = load i1, ptr %t483
+  br i1 %t484, label %then317, label %endif319
+then317:
+  %t485 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 3
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  store { ptr, i64, i64 } { ptr @.str.210, i64 5, i64 0 }, ptr %t485
+  store { ptr, i64, i64 } %t486, ptr %a487
+  call void @finch_str_drop(ptr %a487)
+  br label %endif319
+endif319:
   br label %endif316
 endif316:
-  br label %each.step312
-each.step312:
-  %t545 = load i64, ptr %a523
-  %t546 = add i64 %t545, 1
-  store i64 %t546, ptr %a523
-  br label %each.cond310
-each.end313:
-  %t547 = load { ptr, i64, i64 }, ptr %a77
-  call void @finch.main.load(ptr %a433, { ptr, i64, i64 } %t547, { ptr, i64, i64 } { ptr @.str.210, i64 0, i64 0 })
-  store { ptr, i64, i64 } zeroinitializer, ptr %a548
-  store { ptr, i64, i64 } zeroinitializer, ptr %a549
-  %t550 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t550, ptr %a551
-  call void @finch.copy.arr_str(ptr %a552, ptr %a551)
-  %t553 = load { ptr, i64, i64 }, ptr %a552
-  store { ptr, i64, i64 } %t553, ptr %a554
-  %t555 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t555, ptr %a556
-  call void @finch.copy.arr_str(ptr %a557, ptr %a556)
-  %t558 = load { ptr, i64, i64 }, ptr %a557
-  store { ptr, i64, i64 } %t558, ptr %a559
-  %t560 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 0
-  store i64 0, ptr %a561
-  br label %each.cond317
-each.cond317:
-  %t562 = getelementptr inbounds { ptr, i64, i64 }, ptr %t560, i32 0, i32 1
-  %t563 = load i64, ptr %t562
-  %t564 = load i64, ptr %a561
-  %t565 = icmp slt i64 %t564, %t563
-  br i1 %t565, label %each.body318, label %each.end320
-each.body318:
-  %t566 = load ptr, ptr %t560
-  %t567 = getelementptr inbounds %S.ast.Program, ptr %t566, i64 %t564
-  %t568 = load %S.ast.Program, ptr %t567
-  store %S.ast.Program %t568, ptr %a569
-  %t570 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 1
-  %t571 = load { ptr, i64, i64 }, ptr %t570
-  %t572 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t571)
-  store { ptr, i64, i64 } %t572, ptr %a573
-  %t574 = getelementptr inbounds { ptr, i64, i64 }, ptr %a554, i32 0, i32 1
-  %t575 = load { ptr, i64, i64 }, ptr %a573
-  store i64 -1, ptr %a576
-  %t577 = load i64, ptr %t574
-  %t578 = load ptr, ptr %a554
-  store i64 0, ptr %a579
-  br label %find.cond321
-find.cond321:
-  %t580 = load i64, ptr %a579
-  %t581 = icmp slt i64 %t580, %t577
-  br i1 %t581, label %find.body322, label %find.end325
-find.body322:
-  %t582 = getelementptr inbounds { ptr, i64, i64 }, ptr %t578, i64 %t580
-  %t583 = load { ptr, i64, i64 }, ptr %t582
-  store { ptr, i64, i64 } %t583, ptr %a584
-  store { ptr, i64, i64 } %t575, ptr %a585
-  %t586 = call i32 @finch_str_eq(ptr %a584, ptr %a585)
-  %t587 = icmp ne i32 %t586, 0
-  br i1 %t587, label %find.hit323, label %find.next324
-find.hit323:
-  store i64 %t580, ptr %a576
-  br label %find.end325
-find.next324:
-  %t588 = add i64 %t580, 1
-  store i64 %t588, ptr %a579
-  br label %find.cond321
-find.end325:
-  %t589 = load i64, ptr %a576
-  %t590 = icmp sge i64 %t589, 0
-  %t591 = xor i1 %t590, true
-  br i1 %t591, label %then326, label %endif328
-then326:
-  %t592 = getelementptr inbounds { ptr, i64, i64 }, ptr %a554, i32 0, i32 1
-  %t593 = load { ptr, i64, i64 }, ptr %a573
-  store { ptr, i64, i64 } %t593, ptr %a594
-  call void @finch_str_copy(ptr %a595, ptr %a594)
-  %t596 = load { ptr, i64, i64 }, ptr %a595
-  %t597 = load i64, ptr %t592
-  %t598 = add i64 %t597, 1
-  call void @finch_arr_reserve(ptr %a554, i64 %t598, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t599 = load ptr, ptr %a554
-  %t600 = getelementptr inbounds { ptr, i64, i64 }, ptr %t599, i64 %t597
-  store { ptr, i64, i64 } %t596, ptr %t600
-  store i64 %t598, ptr %t592
-  br label %endif328
-endif328:
-  %t601 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 3
-  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %t601, i32 0, i32 1
-  %t603 = load i64, ptr %t602
-  store i64 0, ptr %a604
-  br label %for.cond329
-for.cond329:
-  %t605 = load i64, ptr %a604
-  %t606 = icmp slt i64 %t605, %t603
-  br i1 %t606, label %for.body330, label %for.end332
-for.body330:
-  %t607 = getelementptr inbounds { ptr, i64, i64 }, ptr %a549, i32 0, i32 1
-  %t608 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 3
-  %t609 = load i64, ptr %a604
-  %t610 = load { ptr, i64, i64 }, ptr %t608
-  %t611 = extractvalue { ptr, i64, i64 } %t610, 1
-  %t612 = icmp uge i64 %t609, %t611
-  br i1 %t612, label %range333, label %inrange334
-range333:
-  call void @finch_panic_index(ptr @.str.211, i64 244, i64 %t609, i64 %t611)
+  %t488 = load { ptr, i64, i64 }, ptr %a1
+  %t489 = extractvalue { ptr, i64, i64 } %t488, 1
+  %t490 = icmp uge i64 0, %t489
+  br i1 %t490, label %range320, label %inrange321
+range320:
+  call void @finch_panic_index(ptr @.str.211, i64 238, i64 0, i64 %t489)
   unreachable
-inrange334:
-  %t613 = extractvalue { ptr, i64, i64 } %t610, 0
-  %t614 = getelementptr inbounds { ptr, i64, i64 }, ptr %t613, i64 %t609
-  %t615 = load { ptr, i64, i64 }, ptr %t614
-  store i64 -1, ptr %a616
-  %t617 = load i64, ptr %t607
-  %t618 = load ptr, ptr %a549
-  store i64 0, ptr %a619
-  br label %find.cond335
-find.cond335:
-  %t620 = load i64, ptr %a619
-  %t621 = icmp slt i64 %t620, %t617
-  br i1 %t621, label %find.body336, label %find.end339
-find.body336:
-  %t622 = getelementptr inbounds { ptr, i64, i64 }, ptr %t618, i64 %t620
-  %t623 = load { ptr, i64, i64 }, ptr %t622
-  store { ptr, i64, i64 } %t623, ptr %a624
-  store { ptr, i64, i64 } %t615, ptr %a625
-  %t626 = call i32 @finch_str_eq(ptr %a624, ptr %a625)
-  %t627 = icmp ne i32 %t626, 0
-  br i1 %t627, label %find.hit337, label %find.next338
-find.hit337:
-  store i64 %t620, ptr %a616
-  br label %find.end339
-find.next338:
-  %t628 = add i64 %t620, 1
-  store i64 %t628, ptr %a619
-  br label %find.cond335
-find.end339:
-  %t629 = load i64, ptr %a616
-  %t630 = icmp sge i64 %t629, 0
-  %t631 = xor i1 %t630, true
-  br i1 %t631, label %then340, label %endif342
-then340:
-  %t632 = getelementptr inbounds { ptr, i64, i64 }, ptr %a549, i32 0, i32 1
-  %t633 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 3
-  %t634 = load i64, ptr %a604
-  %t635 = load { ptr, i64, i64 }, ptr %t633
-  %t636 = extractvalue { ptr, i64, i64 } %t635, 1
-  %t637 = icmp uge i64 %t634, %t636
-  br i1 %t637, label %range343, label %inrange344
-range343:
-  call void @finch_panic_index(ptr @.str.212, i64 245, i64 %t634, i64 %t636)
+inrange321:
+  %t491 = extractvalue { ptr, i64, i64 } %t488, 0
+  %t492 = getelementptr inbounds { ptr, i64, i64 }, ptr %t491, i64 0
+  %t493 = load { ptr, i64, i64 }, ptr %t492
+  %t494 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t493)
+  store { ptr, i64, i64 } %t494, ptr %a496
+  store { ptr, i64, i64 } { ptr @.str.212, i64 7, i64 0 }, ptr %a497
+  call void @finch_str_concat(ptr %a495, ptr %a496, ptr %a497)
+  store { ptr, i64, i64 } %t494, ptr %a498
+  call void @finch_str_drop(ptr %a498)
+  %t499 = load { ptr, i64, i64 }, ptr %a495
+  %t500 = load { ptr, i64, i64 }, ptr %a1
+  %t501 = extractvalue { ptr, i64, i64 } %t500, 1
+  %t502 = icmp uge i64 0, %t501
+  br i1 %t502, label %range322, label %inrange323
+range322:
+  call void @finch_panic_index(ptr @.str.213, i64 238, i64 0, i64 %t501)
   unreachable
-inrange344:
-  %t638 = extractvalue { ptr, i64, i64 } %t635, 0
-  %t639 = getelementptr inbounds { ptr, i64, i64 }, ptr %t638, i64 %t634
-  %t640 = load { ptr, i64, i64 }, ptr %t639
-  store { ptr, i64, i64 } %t640, ptr %a641
-  call void @finch_str_copy(ptr %a642, ptr %a641)
-  %t643 = load { ptr, i64, i64 }, ptr %a642
-  %t644 = load i64, ptr %t632
-  %t645 = add i64 %t644, 1
-  call void @finch_arr_reserve(ptr %a549, i64 %t645, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t646 = load ptr, ptr %a549
-  %t647 = getelementptr inbounds { ptr, i64, i64 }, ptr %t646, i64 %t644
-  store { ptr, i64, i64 } %t643, ptr %t647
-  store i64 %t645, ptr %t632
-  %t648 = getelementptr inbounds { ptr, i64, i64 }, ptr %a548, i32 0, i32 1
-  %t649 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 3
-  %t650 = load i64, ptr %a604
-  %t651 = load { ptr, i64, i64 }, ptr %t649
-  %t652 = extractvalue { ptr, i64, i64 } %t651, 1
-  %t653 = icmp uge i64 %t650, %t652
-  br i1 %t653, label %range345, label %inrange346
-range345:
-  call void @finch_panic_index(ptr @.str.213, i64 246, i64 %t650, i64 %t652)
+inrange323:
+  %t503 = extractvalue { ptr, i64, i64 } %t500, 0
+  %t504 = getelementptr inbounds { ptr, i64, i64 }, ptr %t503, i64 0
+  %t505 = load { ptr, i64, i64 }, ptr %t504
+  %t506 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t505)
+  store { ptr, i64, i64 } %t506, ptr %a508
+  store { ptr, i64, i64 } { ptr @.str.214, i64 4, i64 0 }, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  %t512 = load { ptr, i64, i64 }, ptr %a1
+  %t513 = extractvalue { ptr, i64, i64 } %t512, 1
+  %t514 = icmp uge i64 0, %t513
+  br i1 %t514, label %range324, label %inrange325
+range324:
+  call void @finch_panic_index(ptr @.str.215, i64 238, i64 0, i64 %t513)
   unreachable
-inrange346:
-  %t654 = extractvalue { ptr, i64, i64 } %t651, 0
-  %t655 = getelementptr inbounds { ptr, i64, i64 }, ptr %t654, i64 %t650
-  %t656 = load { ptr, i64, i64 }, ptr %t655
+inrange325:
+  %t515 = extractvalue { ptr, i64, i64 } %t512, 0
+  %t516 = getelementptr inbounds { ptr, i64, i64 }, ptr %t515, i64 0
+  %t517 = load { ptr, i64, i64 }, ptr %t516
+  %t518 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t517)
+  store { ptr, i64, i64 } %t518, ptr %a520
+  store { ptr, i64, i64 } { ptr @.str.216, i64 19, i64 0 }, ptr %a521
+  call void @finch_str_concat(ptr %a519, ptr %a520, ptr %a521)
+  store { ptr, i64, i64 } %t518, ptr %a522
+  call void @finch_str_drop(ptr %a522)
+  %t523 = load { ptr, i64, i64 }, ptr %a519
+  %t524 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t525 = call ptr @finch_alloc(i64 %t524)
+  %t526 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 0
+  store { ptr, i64, i64 } %t499, ptr %t526
+  %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 1
+  store { ptr, i64, i64 } %t511, ptr %t527
+  %t528 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 2
+  store { ptr, i64, i64 } %t523, ptr %t528
+  %t529 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 3
+  store { ptr, i64, i64 } { ptr @.str.217, i64 3, i64 0 }, ptr %t529
+  %t530 = insertvalue { ptr, i64, i64 } undef, ptr %t525, 0
+  %t531 = insertvalue { ptr, i64, i64 } %t530, i64 4, 1
+  %t532 = insertvalue { ptr, i64, i64 } %t531, i64 4, 2
+  store { ptr, i64, i64 } %t532, ptr %a533
+  store i64 0, ptr %a534
+  br label %each.cond326
+each.cond326:
+  %t535 = getelementptr inbounds { ptr, i64, i64 }, ptr %a533, i32 0, i32 1
+  %t536 = load i64, ptr %t535
+  %t537 = load i64, ptr %a534
+  %t538 = icmp slt i64 %t537, %t536
+  br i1 %t538, label %each.body327, label %each.end329
+each.body327:
+  %t539 = load ptr, ptr %a533
+  %t540 = getelementptr inbounds { ptr, i64, i64 }, ptr %t539, i64 %t537
+  %t541 = load { ptr, i64, i64 }, ptr %t540
+  store { ptr, i64, i64 } %t541, ptr %a542
+  %t543 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i32 0, i32 1
+  %t545 = load i64, ptr %t544
+  %t546 = icmp eq i64 %t545, 0
+  br label %logic.from330
+logic.from330:
+  br i1 %t546, label %logic.rhs331, label %logic.end332
+logic.rhs331:
+  %t547 = load { ptr, i64, i64 }, ptr %a542
+  store { ptr, i64, i64 } %t547, ptr %a549
+  store { ptr, i64, i64 } { ptr @.str.218, i64 9, i64 0 }, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t551, ptr %a552
+  %t553 = call i32 @finch_file_exists(ptr %a552)
+  store { ptr, i64, i64 } %t551, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  %t555 = icmp ne i32 %t553, 0
+  br label %logic.rend333
+logic.rend333:
+  br label %logic.end332
+logic.end332:
+  %t556 = phi i1 [ false, %logic.from330 ], [ %t555, %logic.rend333 ]
+  br i1 %t556, label %then334, label %endif336
+then334:
+  %t557 = load { ptr, i64, i64 }, ptr %a542
+  %t558 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  store { ptr, i64, i64 } %t557, ptr %a559
+  call void @finch_str_copy(ptr %a560, ptr %a559)
+  %t561 = load { ptr, i64, i64 }, ptr %a560
+  %t562 = load { ptr, i64, i64 }, ptr %t558
+  store { ptr, i64, i64 } %t561, ptr %t558
+  store { ptr, i64, i64 } %t562, ptr %a563
+  call void @finch_str_drop(ptr %a563)
+  br label %endif336
+endif336:
+  br label %each.step328
+each.step328:
+  %t564 = load i64, ptr %a534
+  %t565 = add i64 %t564, 1
+  store i64 %t565, ptr %a534
+  br label %each.cond326
+each.end329:
+  call void @finch.drop.arr_str(ptr %a533)
+  %t566 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  %t567 = getelementptr inbounds { ptr, i64, i64 }, ptr %t566, i32 0, i32 1
+  %t568 = load i64, ptr %t567
+  %t569 = icmp eq i64 %t568, 0
+  br i1 %t569, label %then337, label %endif339
+then337:
+  %t570 = call { ptr, i64, i64 } @finch.main.unpack()
+  store { ptr, i64, i64 } %t570, ptr %a572
+  store { ptr, i64, i64 } { ptr @.str.219, i64 4, i64 0 }, ptr %a573
+  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
+  store { ptr, i64, i64 } %t570, ptr %a574
+  call void @finch_str_drop(ptr %a574)
+  %t575 = load { ptr, i64, i64 }, ptr %a571
+  %t576 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  %t577 = load { ptr, i64, i64 }, ptr %t576
+  store { ptr, i64, i64 } %t575, ptr %t576
+  store { ptr, i64, i64 } %t577, ptr %a578
+  call void @finch_str_drop(ptr %a578)
+  br label %endif339
+endif339:
+  %t579 = load { ptr, i64, i64 }, ptr %a111
+  %t580 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 6
+  store { ptr, i64, i64 } %t579, ptr %a581
+  call void @finch.copy.arr_str(ptr %a582, ptr %a581)
+  %t583 = load { ptr, i64, i64 }, ptr %a582
+  %t584 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } %t583, ptr %t580
+  store { ptr, i64, i64 } %t584, ptr %a585
+  call void @finch.drop.arr_str(ptr %a585)
+  %t586 = load { ptr, i64, i64 }, ptr %a112
+  %t587 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 7
+  store { ptr, i64, i64 } %t586, ptr %a588
+  call void @finch.copy.arr_str(ptr %a589, ptr %a588)
+  %t590 = load { ptr, i64, i64 }, ptr %a589
+  %t591 = load { ptr, i64, i64 }, ptr %t587
+  store { ptr, i64, i64 } %t590, ptr %t587
+  store { ptr, i64, i64 } %t591, ptr %a592
+  call void @finch.drop.arr_str(ptr %a592)
+  %t593 = extractvalue { ptr, i64, i64 } { ptr @.str.220, i64 10, i64 0 }, 0
+  %t594 = icmp eq ptr %t593, null
+  %t595 = select i1 %t594, ptr @.str.221, ptr %t593
+  %t596 = call ptr @getenv(ptr %t595)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a597
+  call void @finch_str_from_c(ptr %a597, ptr %t596)
+  %t598 = load { ptr, i64, i64 }, ptr %a597
+  store { ptr, i64, i64 } %t598, ptr %a599
+  %t601 = call { ptr, i64, i64 } @finch.host.pathSeparator()
+  store { ptr, i64, i64 } %t601, ptr %a602
+  call void @finch_str_split(ptr %a603, ptr %a599, ptr %a602)
+  store { ptr, i64, i64 } %t601, ptr %a604
+  call void @finch_str_drop(ptr %a604)
+  %t605 = load { ptr, i64, i64 }, ptr %a603
+  store { ptr, i64, i64 } %t605, ptr %a606
+  store i64 0, ptr %a607
+  br label %each.cond340
+each.cond340:
+  %t608 = getelementptr inbounds { ptr, i64, i64 }, ptr %a606, i32 0, i32 1
+  %t609 = load i64, ptr %t608
+  %t610 = load i64, ptr %a607
+  %t611 = icmp slt i64 %t610, %t609
+  br i1 %t611, label %each.body341, label %each.end343
+each.body341:
+  %t612 = load ptr, ptr %a606
+  %t613 = getelementptr inbounds { ptr, i64, i64 }, ptr %t612, i64 %t610
+  %t614 = load { ptr, i64, i64 }, ptr %t613
+  store { ptr, i64, i64 } %t614, ptr %a615
+  %t616 = getelementptr inbounds { ptr, i64, i64 }, ptr %a615, i32 0, i32 1
+  %t617 = load i64, ptr %t616
+  %t618 = icmp sgt i64 %t617, 0
+  br i1 %t618, label %then344, label %endif346
+then344:
+  %t619 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 5
+  %t620 = getelementptr inbounds { ptr, i64, i64 }, ptr %t619, i32 0, i32 1
+  %t621 = load { ptr, i64, i64 }, ptr %a615
+  store { ptr, i64, i64 } %t621, ptr %a622
+  call void @finch_str_copy(ptr %a623, ptr %a622)
+  %t624 = load { ptr, i64, i64 }, ptr %a623
+  %t625 = load i64, ptr %t620
+  %t626 = add i64 %t625, 1
+  call void @finch_arr_reserve(ptr %t619, i64 %t626, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t627 = load ptr, ptr %t619
+  %t628 = getelementptr inbounds { ptr, i64, i64 }, ptr %t627, i64 %t625
+  store { ptr, i64, i64 } %t624, ptr %t628
+  store i64 %t626, ptr %t620
+  br label %endif346
+endif346:
+  br label %each.step342
+each.step342:
+  %t629 = load i64, ptr %a607
+  %t630 = add i64 %t629, 1
+  store i64 %t630, ptr %a607
+  br label %each.cond340
+each.end343:
+  call void @finch.drop.arr_str(ptr %a606)
+  %t631 = load { ptr, i64, i64 }, ptr %a77
+  call void @finch.main.load(ptr %a474, { ptr, i64, i64 } %t631, { ptr, i64, i64 } { ptr @.str.223, i64 0, i64 0 })
+  store { ptr, i64, i64 } zeroinitializer, ptr %a632
+  store { ptr, i64, i64 } zeroinitializer, ptr %a633
+  %t634 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t634, ptr %a635
+  call void @finch.copy.arr_str(ptr %a636, ptr %a635)
+  %t637 = load { ptr, i64, i64 }, ptr %a636
+  store { ptr, i64, i64 } %t637, ptr %a638
+  %t639 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t639, ptr %a640
+  call void @finch.copy.arr_str(ptr %a641, ptr %a640)
+  %t642 = load { ptr, i64, i64 }, ptr %a641
+  store { ptr, i64, i64 } %t642, ptr %a643
+  %t644 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 0
+  store i64 0, ptr %a645
+  br label %each.cond347
+each.cond347:
+  %t646 = getelementptr inbounds { ptr, i64, i64 }, ptr %t644, i32 0, i32 1
+  %t647 = load i64, ptr %t646
+  %t648 = load i64, ptr %a645
+  %t649 = icmp slt i64 %t648, %t647
+  br i1 %t649, label %each.body348, label %each.end350
+each.body348:
+  %t650 = load ptr, ptr %t644
+  %t651 = getelementptr inbounds %S.ast.Program, ptr %t650, i64 %t648
+  %t652 = load %S.ast.Program, ptr %t651
+  store %S.ast.Program %t652, ptr %a653
+  %t654 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 1
+  %t655 = load { ptr, i64, i64 }, ptr %t654
+  %t656 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t655)
   store { ptr, i64, i64 } %t656, ptr %a657
-  call void @finch_str_copy(ptr %a658, ptr %a657)
-  %t659 = load { ptr, i64, i64 }, ptr %a658
-  %t660 = insertvalue %S.cimport.Header zeroinitializer, { ptr, i64, i64 } %t659, 0
-  %t661 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 4
-  %t662 = load i64, ptr %a604
-  %t663 = load { ptr, i64, i64 }, ptr %t661
-  %t664 = extractvalue { ptr, i64, i64 } %t663, 1
-  %t665 = icmp uge i64 %t662, %t664
-  br i1 %t665, label %range347, label %inrange348
-range347:
-  call void @finch_panic_index(ptr @.str.214, i64 246, i64 %t662, i64 %t664)
+  %t658 = getelementptr inbounds { ptr, i64, i64 }, ptr %a638, i32 0, i32 1
+  %t659 = load { ptr, i64, i64 }, ptr %a657
+  store i64 -1, ptr %a660
+  %t661 = load i64, ptr %t658
+  %t662 = load ptr, ptr %a638
+  store i64 0, ptr %a663
+  br label %find.cond351
+find.cond351:
+  %t664 = load i64, ptr %a663
+  %t665 = icmp slt i64 %t664, %t661
+  br i1 %t665, label %find.body352, label %find.end355
+find.body352:
+  %t666 = getelementptr inbounds { ptr, i64, i64 }, ptr %t662, i64 %t664
+  %t667 = load { ptr, i64, i64 }, ptr %t666
+  store { ptr, i64, i64 } %t667, ptr %a668
+  store { ptr, i64, i64 } %t659, ptr %a669
+  %t670 = call i32 @finch_str_eq(ptr %a668, ptr %a669)
+  %t671 = icmp ne i32 %t670, 0
+  br i1 %t671, label %find.hit353, label %find.next354
+find.hit353:
+  store i64 %t664, ptr %a660
+  br label %find.end355
+find.next354:
+  %t672 = add i64 %t664, 1
+  store i64 %t672, ptr %a663
+  br label %find.cond351
+find.end355:
+  %t673 = load i64, ptr %a660
+  %t674 = icmp sge i64 %t673, 0
+  %t675 = xor i1 %t674, true
+  br i1 %t675, label %then356, label %endif358
+then356:
+  %t676 = getelementptr inbounds { ptr, i64, i64 }, ptr %a638, i32 0, i32 1
+  %t677 = load { ptr, i64, i64 }, ptr %a657
+  store { ptr, i64, i64 } %t677, ptr %a678
+  call void @finch_str_copy(ptr %a679, ptr %a678)
+  %t680 = load { ptr, i64, i64 }, ptr %a679
+  %t681 = load i64, ptr %t676
+  %t682 = add i64 %t681, 1
+  call void @finch_arr_reserve(ptr %a638, i64 %t682, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t683 = load ptr, ptr %a638
+  %t684 = getelementptr inbounds { ptr, i64, i64 }, ptr %t683, i64 %t681
+  store { ptr, i64, i64 } %t680, ptr %t684
+  store i64 %t682, ptr %t676
+  br label %endif358
+endif358:
+  %t685 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t686 = getelementptr inbounds { ptr, i64, i64 }, ptr %t685, i32 0, i32 1
+  %t687 = load i64, ptr %t686
+  store i64 0, ptr %a688
+  br label %for.cond359
+for.cond359:
+  %t689 = load i64, ptr %a688
+  %t690 = icmp slt i64 %t689, %t687
+  br i1 %t690, label %for.body360, label %for.end362
+for.body360:
+  %t691 = getelementptr inbounds { ptr, i64, i64 }, ptr %a633, i32 0, i32 1
+  %t692 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t693 = load i64, ptr %a688
+  %t694 = load { ptr, i64, i64 }, ptr %t692
+  %t695 = extractvalue { ptr, i64, i64 } %t694, 1
+  %t696 = icmp uge i64 %t693, %t695
+  br i1 %t696, label %range363, label %inrange364
+range363:
+  call void @finch_panic_index(ptr @.str.224, i64 266, i64 %t693, i64 %t695)
   unreachable
-inrange348:
-  %t666 = extractvalue { ptr, i64, i64 } %t663, 0
-  %t667 = getelementptr inbounds { ptr, i64, i64 }, ptr %t666, i64 %t662
-  %t668 = load { ptr, i64, i64 }, ptr %t667
-  store { ptr, i64, i64 } %t668, ptr %a669
-  call void @finch_str_copy(ptr %a670, ptr %a669)
-  %t671 = load { ptr, i64, i64 }, ptr %a670
-  %t672 = insertvalue %S.cimport.Header %t660, { ptr, i64, i64 } %t671, 1
-  %t673 = load i64, ptr %t648
-  %t674 = add i64 %t673, 1
-  call void @finch_arr_reserve(ptr %a548, i64 %t674, i64 ptrtoint (ptr getelementptr (%S.cimport.Header, ptr null, i32 1) to i64))
-  %t675 = load ptr, ptr %a548
-  %t676 = getelementptr inbounds %S.cimport.Header, ptr %t675, i64 %t673
-  store %S.cimport.Header %t672, ptr %t676
-  store i64 %t674, ptr %t648
-  br label %endif342
-endif342:
-  br label %for.step331
-for.step331:
-  %t677 = load i64, ptr %a604
-  %t678 = add i64 %t677, 1
-  store i64 %t678, ptr %a604
-  br label %for.cond329
-for.end332:
-  %t679 = getelementptr inbounds %S.ast.Program, ptr %a569, i32 0, i32 5
-  store i64 0, ptr %a680
-  br label %each.cond349
-each.cond349:
-  %t681 = getelementptr inbounds { ptr, i64, i64 }, ptr %t679, i32 0, i32 1
-  %t682 = load i64, ptr %t681
-  %t683 = load i64, ptr %a680
-  %t684 = icmp slt i64 %t683, %t682
-  br i1 %t684, label %each.body350, label %each.end352
-each.body350:
-  %t685 = load ptr, ptr %t679
-  %t686 = getelementptr inbounds { ptr, i64, i64 }, ptr %t685, i64 %t683
-  %t687 = load { ptr, i64, i64 }, ptr %t686
-  store { ptr, i64, i64 } %t687, ptr %a688
-  %t689 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t689, ptr %a690
-  store { ptr, i64, i64 } { ptr @.str.216, i64 2, i64 0 }, ptr %a692
-  %t693 = call i32 @finch_str_ends(ptr %a690, ptr %a692)
-  %t694 = icmp ne i32 %t693, 0
-  br label %logic.from353
-logic.from353:
-  br i1 %t694, label %logic.end355, label %logic.rhs354
-logic.rhs354:
-  %t695 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t695, ptr %a696
-  store { ptr, i64, i64 } { ptr @.str.218, i64 2, i64 0 }, ptr %a698
-  %t699 = call i32 @finch_str_ends(ptr %a696, ptr %a698)
-  %t700 = icmp ne i32 %t699, 0
-  br label %logic.rend356
-logic.rend356:
-  br label %logic.end355
-logic.end355:
-  %t701 = phi i1 [ true, %logic.from353 ], [ %t700, %logic.rend356 ]
-  br label %logic.from357
-logic.from357:
-  br i1 %t701, label %logic.end359, label %logic.rhs358
-logic.rhs358:
-  %t702 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t702, ptr %a703
-  store { ptr, i64, i64 } { ptr @.str.220, i64 2, i64 0 }, ptr %a705
-  %t706 = call i32 @finch_str_ends(ptr %a703, ptr %a705)
-  %t707 = icmp ne i32 %t706, 0
-  br label %logic.rend360
-logic.rend360:
-  br label %logic.end359
-logic.end359:
-  %t708 = phi i1 [ true, %logic.from357 ], [ %t707, %logic.rend360 ]
-  br i1 %t708, label %then361, label %else362
-then361:
-  %t709 = getelementptr inbounds { ptr, i64, i64 }, ptr %a559, i32 0, i32 1
-  %t710 = load { ptr, i64, i64 }, ptr %a573
-  store { ptr, i64, i64 } %t710, ptr %a712
-  store { ptr, i64, i64 } { ptr @.str.221, i64 1, i64 0 }, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  %t715 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t714, ptr %a717
-  store { ptr, i64, i64 } %t715, ptr %a718
-  call void @finch_str_concat(ptr %a716, ptr %a717, ptr %a718)
-  %t719 = load { ptr, i64, i64 }, ptr %a716
-  %t720 = load i64, ptr %t709
-  %t721 = add i64 %t720, 1
-  call void @finch_arr_reserve(ptr %a559, i64 %t721, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t722 = load ptr, ptr %a559
-  %t723 = getelementptr inbounds { ptr, i64, i64 }, ptr %t722, i64 %t720
-  store { ptr, i64, i64 } %t719, ptr %t723
-  store i64 %t721, ptr %t709
-  br label %endif363
-else362:
-  %t724 = getelementptr inbounds { ptr, i64, i64 }, ptr %a559, i32 0, i32 1
-  %t725 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t725, ptr %a726
-  call void @finch_str_copy(ptr %a727, ptr %a726)
-  %t728 = load { ptr, i64, i64 }, ptr %a727
-  %t729 = load i64, ptr %t724
-  %t730 = add i64 %t729, 1
-  call void @finch_arr_reserve(ptr %a559, i64 %t730, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t731 = load ptr, ptr %a559
-  %t732 = getelementptr inbounds { ptr, i64, i64 }, ptr %t731, i64 %t729
-  store { ptr, i64, i64 } %t728, ptr %t732
-  store i64 %t730, ptr %t724
-  br label %endif363
-endif363:
-  br label %each.step351
-each.step351:
-  %t733 = load i64, ptr %a680
-  %t734 = add i64 %t733, 1
-  store i64 %t734, ptr %a680
-  br label %each.cond349
-each.end352:
-  br label %each.step319
-each.step319:
-  %t735 = load i64, ptr %a561
-  %t736 = add i64 %t735, 1
-  store i64 %t736, ptr %a561
-  br label %each.cond317
-each.end320:
-  store { ptr, i64, i64 } { ptr @.str.222, i64 0, i64 0 }, ptr %a737
-  %t738 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 5
-  %t739 = load i1, ptr %t738
-  br i1 %t739, label %then364, label %endif366
-then364:
-  %t740 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 0
-  %t741 = load { ptr, i64, i64 }, ptr %t740
-  store { ptr, i64, i64 } %t741, ptr %a742
-  call void @finch_str_copy(ptr %a743, ptr %a742)
-  %t744 = load { ptr, i64, i64 }, ptr %a743
-  store { ptr, i64, i64 } %t744, ptr %a737
-  br label %endif366
-endif366:
-  %t745 = load { ptr, i64, i64 }, ptr %a548
-  %t746 = load { ptr, i64, i64 }, ptr %a554
-  %t747 = load { ptr, i64, i64 }, ptr %a737
-  %t748 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 1
-  %t749 = load i1, ptr %t748
-  %t750 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 7
-  %t751 = load { ptr, i64, i64 }, ptr %t750
-  %t752 = call { i1, %S.cimport.CImports, { ptr, i64, i64 } } @finch.cimport.importHeaders({ ptr, i64, i64 } %t745, { ptr, i64, i64 } %t746, { ptr, i64, i64 } %t747, i1 %t749, { ptr, i64, i64 } %t751)
-  %t753 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t752, 0
-  %t754 = xor i1 %t753, true
-  %t755 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t752, 2
-  %t756 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t752, 1
-  br i1 %t754, label %or.failed367, label %or.ok368
-or.failed367:
-  store { ptr, i64, i64 } %t755, ptr %a757
-  %t758 = load { ptr, i64, i64 }, ptr %a757
-  %t759 = extractvalue { ptr, i64, i64 } %t758, 1
-  %t760 = trunc i64 %t759 to i32
-  %t761 = extractvalue { ptr, i64, i64 } %t758, 0
-  %t762 = icmp eq ptr %t761, null
-  %t763 = select i1 %t762, ptr @.str.223, ptr %t761
-  %t764 = call i32 (ptr, ...) @printf(ptr @.str.224, i32 %t760, ptr %t763)
-  %t765 = call i32 (ptr, ...) @printf(ptr @.str.225)
-  ret i64 1
-or.ok368:
-  store %S.cimport.CImports %t756, ptr %a766
-  %t767 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 0
-  %t768 = load { ptr, i64, i64 }, ptr %t767
-  %t769 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 1
-  %t770 = load { ptr, i64, i64 }, ptr %t769
-  %t771 = load %S.cimport.CImports, ptr %a766
-  %t772 = load i1, ptr %a105
-  %t773 = insertvalue %S.gen.Options zeroinitializer, i1 %t772, 0
-  %t774 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t774, ptr %a775
-  store { ptr, i64, i64 } { ptr @.str.226, i64 5, i64 0 }, ptr %a776
-  %t777 = call i32 @finch_str_eq(ptr %a775, ptr %a776)
+inrange364:
+  %t697 = extractvalue { ptr, i64, i64 } %t694, 0
+  %t698 = getelementptr inbounds { ptr, i64, i64 }, ptr %t697, i64 %t693
+  %t699 = load { ptr, i64, i64 }, ptr %t698
+  store i64 -1, ptr %a700
+  %t701 = load i64, ptr %t691
+  %t702 = load ptr, ptr %a633
+  store i64 0, ptr %a703
+  br label %find.cond365
+find.cond365:
+  %t704 = load i64, ptr %a703
+  %t705 = icmp slt i64 %t704, %t701
+  br i1 %t705, label %find.body366, label %find.end369
+find.body366:
+  %t706 = getelementptr inbounds { ptr, i64, i64 }, ptr %t702, i64 %t704
+  %t707 = load { ptr, i64, i64 }, ptr %t706
+  store { ptr, i64, i64 } %t707, ptr %a708
+  store { ptr, i64, i64 } %t699, ptr %a709
+  %t710 = call i32 @finch_str_eq(ptr %a708, ptr %a709)
+  %t711 = icmp ne i32 %t710, 0
+  br i1 %t711, label %find.hit367, label %find.next368
+find.hit367:
+  store i64 %t704, ptr %a700
+  br label %find.end369
+find.next368:
+  %t712 = add i64 %t704, 1
+  store i64 %t712, ptr %a703
+  br label %find.cond365
+find.end369:
+  %t713 = load i64, ptr %a700
+  %t714 = icmp sge i64 %t713, 0
+  %t715 = xor i1 %t714, true
+  br i1 %t715, label %then370, label %endif372
+then370:
+  %t716 = getelementptr inbounds { ptr, i64, i64 }, ptr %a633, i32 0, i32 1
+  %t717 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t718 = load i64, ptr %a688
+  %t719 = load { ptr, i64, i64 }, ptr %t717
+  %t720 = extractvalue { ptr, i64, i64 } %t719, 1
+  %t721 = icmp uge i64 %t718, %t720
+  br i1 %t721, label %range373, label %inrange374
+range373:
+  call void @finch_panic_index(ptr @.str.225, i64 267, i64 %t718, i64 %t720)
+  unreachable
+inrange374:
+  %t722 = extractvalue { ptr, i64, i64 } %t719, 0
+  %t723 = getelementptr inbounds { ptr, i64, i64 }, ptr %t722, i64 %t718
+  %t724 = load { ptr, i64, i64 }, ptr %t723
+  store { ptr, i64, i64 } %t724, ptr %a725
+  call void @finch_str_copy(ptr %a726, ptr %a725)
+  %t727 = load { ptr, i64, i64 }, ptr %a726
+  %t728 = load i64, ptr %t716
+  %t729 = add i64 %t728, 1
+  call void @finch_arr_reserve(ptr %a633, i64 %t729, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t730 = load ptr, ptr %a633
+  %t731 = getelementptr inbounds { ptr, i64, i64 }, ptr %t730, i64 %t728
+  store { ptr, i64, i64 } %t727, ptr %t731
+  store i64 %t729, ptr %t716
+  %t732 = getelementptr inbounds { ptr, i64, i64 }, ptr %a632, i32 0, i32 1
+  %t733 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t734 = load i64, ptr %a688
+  %t735 = load { ptr, i64, i64 }, ptr %t733
+  %t736 = extractvalue { ptr, i64, i64 } %t735, 1
+  %t737 = icmp uge i64 %t734, %t736
+  br i1 %t737, label %range375, label %inrange376
+range375:
+  call void @finch_panic_index(ptr @.str.226, i64 268, i64 %t734, i64 %t736)
+  unreachable
+inrange376:
+  %t738 = extractvalue { ptr, i64, i64 } %t735, 0
+  %t739 = getelementptr inbounds { ptr, i64, i64 }, ptr %t738, i64 %t734
+  %t740 = load { ptr, i64, i64 }, ptr %t739
+  store { ptr, i64, i64 } %t740, ptr %a741
+  call void @finch_str_copy(ptr %a742, ptr %a741)
+  %t743 = load { ptr, i64, i64 }, ptr %a742
+  %t744 = insertvalue %S.cimport.Header zeroinitializer, { ptr, i64, i64 } %t743, 0
+  %t745 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 4
+  %t746 = load i64, ptr %a688
+  %t747 = load { ptr, i64, i64 }, ptr %t745
+  %t748 = extractvalue { ptr, i64, i64 } %t747, 1
+  %t749 = icmp uge i64 %t746, %t748
+  br i1 %t749, label %range377, label %inrange378
+range377:
+  call void @finch_panic_index(ptr @.str.227, i64 268, i64 %t746, i64 %t748)
+  unreachable
+inrange378:
+  %t750 = extractvalue { ptr, i64, i64 } %t747, 0
+  %t751 = getelementptr inbounds { ptr, i64, i64 }, ptr %t750, i64 %t746
+  %t752 = load { ptr, i64, i64 }, ptr %t751
+  store { ptr, i64, i64 } %t752, ptr %a753
+  call void @finch_str_copy(ptr %a754, ptr %a753)
+  %t755 = load { ptr, i64, i64 }, ptr %a754
+  %t756 = insertvalue %S.cimport.Header %t744, { ptr, i64, i64 } %t755, 1
+  %t757 = load i64, ptr %t732
+  %t758 = add i64 %t757, 1
+  call void @finch_arr_reserve(ptr %a632, i64 %t758, i64 ptrtoint (ptr getelementptr (%S.cimport.Header, ptr null, i32 1) to i64))
+  %t759 = load ptr, ptr %a632
+  %t760 = getelementptr inbounds %S.cimport.Header, ptr %t759, i64 %t757
+  store %S.cimport.Header %t756, ptr %t760
+  store i64 %t758, ptr %t732
+  br label %endif372
+endif372:
+  br label %for.step361
+for.step361:
+  %t761 = load i64, ptr %a688
+  %t762 = add i64 %t761, 1
+  store i64 %t762, ptr %a688
+  br label %for.cond359
+for.end362:
+  %t763 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 5
+  store i64 0, ptr %a764
+  br label %each.cond379
+each.cond379:
+  %t765 = getelementptr inbounds { ptr, i64, i64 }, ptr %t763, i32 0, i32 1
+  %t766 = load i64, ptr %t765
+  %t767 = load i64, ptr %a764
+  %t768 = icmp slt i64 %t767, %t766
+  br i1 %t768, label %each.body380, label %each.end382
+each.body380:
+  %t769 = load ptr, ptr %t763
+  %t770 = getelementptr inbounds { ptr, i64, i64 }, ptr %t769, i64 %t767
+  %t771 = load { ptr, i64, i64 }, ptr %t770
+  store { ptr, i64, i64 } %t771, ptr %a772
+  %t773 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t773, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.229, i64 2, i64 0 }, ptr %a776
+  %t777 = call i32 @finch_str_ends(ptr %a774, ptr %a776)
   %t778 = icmp ne i32 %t777, 0
-  %t779 = insertvalue %S.gen.Options %t773, i1 %t778, 1
-  %t780 = load i1, ptr %a106
-  %t781 = insertvalue %S.gen.Options %t779, i1 %t780, 2
-  %t782 = extractvalue { ptr, i64, i64 } { ptr @.str.227, i64 3, i64 0 }, 0
-  %t783 = icmp eq ptr %t782, null
-  %t784 = select i1 %t783, ptr @.str.228, ptr %t782
-  %t785 = call ptr @getenv(ptr %t784)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a786
-  call void @finch_str_from_c(ptr %a786, ptr %t785)
-  %t787 = load { ptr, i64, i64 }, ptr %a786
-  store { ptr, i64, i64 } %t787, ptr %a788
-  call void @finch_str_copy(ptr %a789, ptr %a788)
-  %t790 = load { ptr, i64, i64 }, ptr %a789
-  %t791 = insertvalue %S.gen.Options %t781, { ptr, i64, i64 } %t790, 3
-  %t792 = load %S.platform.Target, ptr %a375
-  store %S.platform.Target %t792, ptr %a793
-  call void @finch.copy.S_platform_Target(ptr %a794, ptr %a793)
-  %t795 = load %S.platform.Target, ptr %a794
-  %t796 = insertvalue %S.gen.Options %t791, %S.platform.Target %t795, 4
-  %t797 = call { ptr, i64, i64 } @finch.gen.generate({ ptr, i64, i64 } %t768, { ptr, i64, i64 } %t770, %S.cimport.CImports %t771, %S.gen.Options %t796)
-  store { ptr, i64, i64 } %t797, ptr %a798
-  %t799 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t799, ptr %a800
-  store { ptr, i64, i64 } { ptr @.str.229, i64 2, i64 0 }, ptr %a801
-  %t802 = call i32 @finch_str_eq(ptr %a800, ptr %a801)
-  %t803 = icmp ne i32 %t802, 0
-  br label %logic.from369
-logic.from369:
-  br i1 %t803, label %logic.end371, label %logic.rhs370
-logic.rhs370:
-  %t804 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t804, ptr %a805
-  store { ptr, i64, i64 } { ptr @.str.230, i64 5, i64 0 }, ptr %a806
-  %t807 = call i32 @finch_str_eq(ptr %a805, ptr %a806)
-  %t808 = icmp ne i32 %t807, 0
-  br label %logic.rend372
-logic.rend372:
-  br label %logic.end371
-logic.end371:
-  %t809 = phi i1 [ true, %logic.from369 ], [ %t808, %logic.rend372 ]
-  br i1 %t809, label %then373, label %endif375
-then373:
-  %t810 = load { ptr, i64, i64 }, ptr %a798
-  %t811 = extractvalue { ptr, i64, i64 } %t810, 1
-  %t812 = trunc i64 %t811 to i32
-  %t813 = extractvalue { ptr, i64, i64 } %t810, 0
-  %t814 = icmp eq ptr %t813, null
-  %t815 = select i1 %t814, ptr @.str.231, ptr %t813
-  %t816 = call i32 (ptr, ...) @printf(ptr @.str.232, i32 %t812, ptr %t815)
-  %t817 = call i32 (ptr, ...) @printf(ptr @.str.233)
-  ret i64 0
-endif375:
-  %t818 = extractvalue { ptr, i64, i64 } { ptr @.str.234, i64 8, i64 0 }, 0
-  %t819 = icmp eq ptr %t818, null
-  %t820 = select i1 %t819, ptr @.str.235, ptr %t818
-  %t821 = call ptr @getenv(ptr %t820)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a822
-  call void @finch_str_from_c(ptr %a822, ptr %t821)
-  %t823 = load { ptr, i64, i64 }, ptr %a822
-  store { ptr, i64, i64 } %t823, ptr %a824
-  call void @finch_str_copy(ptr %a825, ptr %a824)
-  %t826 = load { ptr, i64, i64 }, ptr %a825
+  br label %logic.from383
+logic.from383:
+  br i1 %t778, label %logic.end385, label %logic.rhs384
+logic.rhs384:
+  %t779 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t779, ptr %a780
+  store { ptr, i64, i64 } { ptr @.str.231, i64 2, i64 0 }, ptr %a782
+  %t783 = call i32 @finch_str_ends(ptr %a780, ptr %a782)
+  %t784 = icmp ne i32 %t783, 0
+  br label %logic.rend386
+logic.rend386:
+  br label %logic.end385
+logic.end385:
+  %t785 = phi i1 [ true, %logic.from383 ], [ %t784, %logic.rend386 ]
+  br label %logic.from387
+logic.from387:
+  br i1 %t785, label %logic.end389, label %logic.rhs388
+logic.rhs388:
+  %t786 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t786, ptr %a787
+  store { ptr, i64, i64 } { ptr @.str.233, i64 2, i64 0 }, ptr %a789
+  %t790 = call i32 @finch_str_ends(ptr %a787, ptr %a789)
+  %t791 = icmp ne i32 %t790, 0
+  br label %logic.rend390
+logic.rend390:
+  br label %logic.end389
+logic.end389:
+  %t792 = phi i1 [ true, %logic.from387 ], [ %t791, %logic.rend390 ]
+  br i1 %t792, label %then391, label %else392
+then391:
+  %t793 = getelementptr inbounds { ptr, i64, i64 }, ptr %a643, i32 0, i32 1
+  %t794 = load { ptr, i64, i64 }, ptr %a657
+  store { ptr, i64, i64 } %t794, ptr %a796
+  store { ptr, i64, i64 } { ptr @.str.234, i64 1, i64 0 }, ptr %a797
+  call void @finch_str_concat(ptr %a795, ptr %a796, ptr %a797)
+  %t798 = load { ptr, i64, i64 }, ptr %a795
+  %t799 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t798, ptr %a801
+  store { ptr, i64, i64 } %t799, ptr %a802
+  call void @finch_str_concat(ptr %a800, ptr %a801, ptr %a802)
+  store { ptr, i64, i64 } %t798, ptr %a803
+  call void @finch_str_drop(ptr %a803)
+  %t804 = load { ptr, i64, i64 }, ptr %a800
+  %t805 = load i64, ptr %t793
+  %t806 = add i64 %t805, 1
+  call void @finch_arr_reserve(ptr %a643, i64 %t806, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t807 = load ptr, ptr %a643
+  %t808 = getelementptr inbounds { ptr, i64, i64 }, ptr %t807, i64 %t805
+  store { ptr, i64, i64 } %t804, ptr %t808
+  store i64 %t806, ptr %t793
+  br label %endif393
+else392:
+  %t809 = getelementptr inbounds { ptr, i64, i64 }, ptr %a643, i32 0, i32 1
+  %t810 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t810, ptr %a811
+  call void @finch_str_copy(ptr %a812, ptr %a811)
+  %t813 = load { ptr, i64, i64 }, ptr %a812
+  %t814 = load i64, ptr %t809
+  %t815 = add i64 %t814, 1
+  call void @finch_arr_reserve(ptr %a643, i64 %t815, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t816 = load ptr, ptr %a643
+  %t817 = getelementptr inbounds { ptr, i64, i64 }, ptr %t816, i64 %t814
+  store { ptr, i64, i64 } %t813, ptr %t817
+  store i64 %t815, ptr %t809
+  br label %endif393
+endif393:
+  br label %each.step381
+each.step381:
+  %t818 = load i64, ptr %a764
+  %t819 = add i64 %t818, 1
+  store i64 %t819, ptr %a764
+  br label %each.cond379
+each.end382:
+  call void @finch_str_drop(ptr %a657)
+  br label %each.step349
+each.step349:
+  %t820 = load i64, ptr %a645
+  %t821 = add i64 %t820, 1
+  store i64 %t821, ptr %a645
+  br label %each.cond347
+each.end350:
+  store { ptr, i64, i64 } { ptr @.str.235, i64 0, i64 0 }, ptr %a822
+  %t823 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 5
+  %t824 = load i1, ptr %t823
+  br i1 %t824, label %then394, label %endif396
+then394:
+  %t825 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 0
+  %t826 = load { ptr, i64, i64 }, ptr %t825
   store { ptr, i64, i64 } %t826, ptr %a827
-  %t828 = getelementptr inbounds { ptr, i64, i64 }, ptr %a827, i32 0, i32 1
-  %t829 = load i64, ptr %t828
-  %t830 = icmp eq i64 %t829, 0
-  br i1 %t830, label %then376, label %endif378
-then376:
-  %t831 = load { ptr, i64, i64 }, ptr %a1
-  %t832 = extractvalue { ptr, i64, i64 } %t831, 1
-  %t833 = icmp uge i64 0, %t832
-  br i1 %t833, label %range379, label %inrange380
-range379:
-  call void @finch_panic_index(ptr @.str.236, i64 274, i64 0, i64 %t832)
-  unreachable
-inrange380:
-  %t834 = extractvalue { ptr, i64, i64 } %t831, 0
-  %t835 = getelementptr inbounds { ptr, i64, i64 }, ptr %t834, i64 0
-  %t836 = load { ptr, i64, i64 }, ptr %t835
-  %t837 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t836)
-  store { ptr, i64, i64 } %t837, ptr %a839
-  store { ptr, i64, i64 } { ptr @.str.237, i64 22, i64 0 }, ptr %a840
-  call void @finch_str_concat(ptr %a838, ptr %a839, ptr %a840)
-  %t841 = load { ptr, i64, i64 }, ptr %a838
-  store { ptr, i64, i64 } %t841, ptr %a827
-  br label %endif378
-endif378:
-  %t842 = load { ptr, i64, i64 }, ptr %a827
-  store { ptr, i64, i64 } %t842, ptr %a843
-  %t844 = call i32 @finch_file_exists(ptr %a843)
-  %t845 = icmp ne i32 %t844, 0
-  %t846 = xor i1 %t845, true
-  br i1 %t846, label %then381, label %endif383
-then381:
-  %t847 = load { ptr, i64, i64 }, ptr %a1
-  %t848 = extractvalue { ptr, i64, i64 } %t847, 1
-  %t849 = icmp uge i64 0, %t848
-  br i1 %t849, label %range384, label %inrange385
-range384:
-  call void @finch_panic_index(ptr @.str.238, i64 277, i64 0, i64 %t848)
-  unreachable
-inrange385:
-  %t850 = extractvalue { ptr, i64, i64 } %t847, 0
-  %t851 = getelementptr inbounds { ptr, i64, i64 }, ptr %t850, i64 0
-  %t852 = load { ptr, i64, i64 }, ptr %t851
-  %t853 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t852)
-  store { ptr, i64, i64 } %t853, ptr %a855
-  store { ptr, i64, i64 } { ptr @.str.239, i64 19, i64 0 }, ptr %a856
-  call void @finch_str_concat(ptr %a854, ptr %a855, ptr %a856)
-  %t857 = load { ptr, i64, i64 }, ptr %a854
-  store { ptr, i64, i64 } %t857, ptr %a827
-  br label %endif383
-endif383:
-  %t858 = load { ptr, i64, i64 }, ptr %a827
-  store { ptr, i64, i64 } %t858, ptr %a859
-  %t860 = call i32 @finch_file_exists(ptr %a859)
-  %t861 = icmp ne i32 %t860, 0
-  %t862 = xor i1 %t861, true
-  br label %logic.from386
-logic.from386:
-  br i1 %t862, label %logic.rhs387, label %logic.end388
-logic.rhs387:
-  store { ptr, i64, i64 } { ptr @.str.240, i64 18, i64 0 }, ptr %a863
-  %t864 = call i32 @finch_file_exists(ptr %a863)
+  call void @finch_str_copy(ptr %a828, ptr %a827)
+  %t829 = load { ptr, i64, i64 }, ptr %a828
+  %t830 = load { ptr, i64, i64 }, ptr %a822
+  store { ptr, i64, i64 } %t829, ptr %a822
+  store { ptr, i64, i64 } %t830, ptr %a831
+  call void @finch_str_drop(ptr %a831)
+  br label %endif396
+endif396:
+  %t832 = load { ptr, i64, i64 }, ptr %a632
+  %t833 = load { ptr, i64, i64 }, ptr %a638
+  %t834 = load { ptr, i64, i64 }, ptr %a822
+  %t835 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 1
+  %t836 = load i1, ptr %t835
+  %t837 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 7
+  %t838 = load { ptr, i64, i64 }, ptr %t837
+  %t839 = call { i1, %S.cimport.CImports, { ptr, i64, i64 } } @finch.cimport.importHeaders({ ptr, i64, i64 } %t832, { ptr, i64, i64 } %t833, { ptr, i64, i64 } %t834, i1 %t836, { ptr, i64, i64 } %t838)
+  %t840 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t839, 0
+  %t841 = xor i1 %t840, true
+  %t842 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t839, 2
+  %t843 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t839, 1
+  br i1 %t841, label %or.failed397, label %or.ok398
+or.failed397:
+  store { ptr, i64, i64 } %t842, ptr %a844
+  %t845 = load { ptr, i64, i64 }, ptr %a844
+  %t846 = extractvalue { ptr, i64, i64 } %t845, 1
+  %t847 = trunc i64 %t846 to i32
+  %t848 = extractvalue { ptr, i64, i64 } %t845, 0
+  %t849 = icmp eq ptr %t848, null
+  %t850 = select i1 %t849, ptr @.str.236, ptr %t848
+  %t851 = call i32 (ptr, ...) @printf(ptr @.str.237, i32 %t847, ptr %t850)
+  %t852 = call i32 (ptr, ...) @printf(ptr @.str.238)
+  call void @finch_str_drop(ptr %a844)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 1
+or.ok398:
+  store %S.cimport.CImports %t843, ptr %a853
+  %t854 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 0
+  %t855 = load { ptr, i64, i64 }, ptr %t854
+  %t856 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 1
+  %t857 = load { ptr, i64, i64 }, ptr %t856
+  %t858 = load %S.cimport.CImports, ptr %a853
+  %t859 = load i1, ptr %a105
+  %t860 = insertvalue %S.gen.Options zeroinitializer, i1 %t859, 0
+  %t861 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t861, ptr %a862
+  store { ptr, i64, i64 } { ptr @.str.239, i64 5, i64 0 }, ptr %a863
+  %t864 = call i32 @finch_str_eq(ptr %a862, ptr %a863)
   %t865 = icmp ne i32 %t864, 0
-  br label %logic.rend389
-logic.rend389:
-  br label %logic.end388
-logic.end388:
-  %t866 = phi i1 [ false, %logic.from386 ], [ %t865, %logic.rend389 ]
-  br i1 %t866, label %then390, label %endif392
-then390:
-  store { ptr, i64, i64 } { ptr @.str.241, i64 18, i64 0 }, ptr %a827
-  br label %endif392
-endif392:
-  %t867 = load { ptr, i64, i64 }, ptr %a827
-  store { ptr, i64, i64 } %t867, ptr %a868
-  %t869 = call i32 @finch_file_exists(ptr %a868)
-  %t870 = icmp ne i32 %t869, 0
-  %t871 = xor i1 %t870, true
-  br i1 %t871, label %then393, label %endif395
-then393:
-  %t872 = extractvalue { ptr, i64, i64 } { ptr @.str.242, i64 56, i64 0 }, 1
-  %t873 = trunc i64 %t872 to i32
-  %t874 = extractvalue { ptr, i64, i64 } { ptr @.str.242, i64 56, i64 0 }, 0
-  %t875 = icmp eq ptr %t874, null
-  %t876 = select i1 %t875, ptr @.str.243, ptr %t874
-  %t877 = call i32 (ptr, ...) @printf(ptr @.str.244, i32 %t873, ptr %t876)
-  %t878 = call i32 (ptr, ...) @printf(ptr @.str.245)
-  ret i64 1
-endif395:
-  store { ptr, i64, i64 } { ptr @.str.246, i64 0, i64 0 }, ptr %a879
-  %t880 = load i1, ptr %a105
-  br i1 %t880, label %then396, label %endif398
-then396:
-  store { ptr, i64, i64 } { ptr @.str.247, i64 6, i64 0 }, ptr %a879
-  br label %endif398
-endif398:
-  %t881 = load i1, ptr %a106
-  br i1 %t881, label %then399, label %endif401
-then399:
-  %t882 = load { ptr, i64, i64 }, ptr %a879
-  store { ptr, i64, i64 } %t882, ptr %a884
-  store { ptr, i64, i64 } { ptr @.str.248, i64 3, i64 0 }, ptr %a885
-  call void @finch_str_concat(ptr %a883, ptr %a884, ptr %a885)
-  %t886 = load { ptr, i64, i64 }, ptr %a883
-  store { ptr, i64, i64 } %t886, ptr %a879
-  br label %endif401
-endif401:
-  %t887 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t887, ptr %a888
-  call void @finch_str_copy(ptr %a889, ptr %a888)
-  %t890 = load { ptr, i64, i64 }, ptr %a889
-  %t891 = insertvalue %S.linker.Build zeroinitializer, { ptr, i64, i64 } %t890, 0
-  %t892 = load { ptr, i64, i64 }, ptr %a798
-  store { ptr, i64, i64 } %t892, ptr %a893
-  call void @finch_str_copy(ptr %a894, ptr %a893)
-  %t895 = load { ptr, i64, i64 }, ptr %a894
-  %t896 = insertvalue %S.linker.Build %t891, { ptr, i64, i64 } %t895, 1
-  %t897 = load { ptr, i64, i64 }, ptr %a827
-  store { ptr, i64, i64 } %t897, ptr %a898
-  call void @finch_str_copy(ptr %a899, ptr %a898)
-  %t900 = load { ptr, i64, i64 }, ptr %a899
-  %t901 = insertvalue %S.linker.Build %t896, { ptr, i64, i64 } %t900, 2
-  %t902 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } %t902, ptr %a903
-  call void @finch_str_copy(ptr %a904, ptr %a903)
-  %t905 = load { ptr, i64, i64 }, ptr %a904
-  %t906 = insertvalue %S.linker.Build %t901, { ptr, i64, i64 } %t905, 3
-  %t907 = load { ptr, i64, i64 }, ptr %a879
-  store { ptr, i64, i64 } %t907, ptr %a908
-  call void @finch_str_copy(ptr %a909, ptr %a908)
-  %t910 = load { ptr, i64, i64 }, ptr %a909
-  %t911 = insertvalue %S.linker.Build %t906, { ptr, i64, i64 } %t910, 4
-  %t912 = load i1, ptr %a105
-  %t913 = insertvalue %S.linker.Build %t911, i1 %t912, 5
-  %t914 = load { ptr, i64, i64 }, ptr %a559
-  store { ptr, i64, i64 } %t914, ptr %a915
-  call void @finch.copy.arr_str(ptr %a916, ptr %a915)
-  %t917 = load { ptr, i64, i64 }, ptr %a916
-  %t918 = insertvalue %S.linker.Build %t913, { ptr, i64, i64 } %t917, 6
-  %t919 = load %S.platform.Target, ptr %a375
-  %t920 = load %S.cimport.CImports, ptr %a766
-  %t921 = call i64 @finch.linker.build(%S.linker.Build %t918, %S.platform.Target %t919, %S.cimport.CImports %t920)
-  %t922 = icmp ne i64 %t921, 0
-  br i1 %t922, label %then402, label %endif404
-then402:
-  ret i64 1
-endif404:
-  %t923 = load { ptr, i64, i64 }, ptr %a67
+  %t866 = insertvalue %S.gen.Options %t860, i1 %t865, 1
+  %t867 = load i1, ptr %a106
+  %t868 = insertvalue %S.gen.Options %t866, i1 %t867, 2
+  %t869 = call { ptr, i64, i64 } @finch.host.cwd()
+  %t870 = insertvalue %S.gen.Options %t868, { ptr, i64, i64 } %t869, 3
+  %t871 = load %S.platform.Target, ptr %a381
+  store %S.platform.Target %t871, ptr %a872
+  call void @finch.copy.S_platform_Target(ptr %a873, ptr %a872)
+  %t874 = load %S.platform.Target, ptr %a873
+  %t875 = insertvalue %S.gen.Options %t870, %S.platform.Target %t874, 4
+  %t876 = call { ptr, i64, i64 } @finch.gen.generate({ ptr, i64, i64 } %t855, { ptr, i64, i64 } %t857, %S.cimport.CImports %t858, %S.gen.Options %t875)
+  store %S.gen.Options %t875, ptr %a877
+  call void @finch.drop.S_gen_Options(ptr %a877)
+  store { ptr, i64, i64 } %t876, ptr %a878
+  %t879 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t879, ptr %a880
+  store { ptr, i64, i64 } { ptr @.str.240, i64 2, i64 0 }, ptr %a881
+  %t882 = call i32 @finch_str_eq(ptr %a880, ptr %a881)
+  %t883 = icmp ne i32 %t882, 0
+  br label %logic.from405
+logic.from405:
+  br i1 %t883, label %logic.end407, label %logic.rhs406
+logic.rhs406:
+  %t884 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t884, ptr %a885
+  store { ptr, i64, i64 } { ptr @.str.241, i64 5, i64 0 }, ptr %a886
+  %t887 = call i32 @finch_str_eq(ptr %a885, ptr %a886)
+  %t888 = icmp ne i32 %t887, 0
+  br label %logic.rend408
+logic.rend408:
+  br label %logic.end407
+logic.end407:
+  %t889 = phi i1 [ true, %logic.from405 ], [ %t888, %logic.rend408 ]
+  br i1 %t889, label %then409, label %endif411
+then409:
+  %t890 = load { ptr, i64, i64 }, ptr %a878
+  %t891 = extractvalue { ptr, i64, i64 } %t890, 1
+  %t892 = trunc i64 %t891 to i32
+  %t893 = extractvalue { ptr, i64, i64 } %t890, 0
+  %t894 = icmp eq ptr %t893, null
+  %t895 = select i1 %t894, ptr @.str.242, ptr %t893
+  %t896 = call i32 (ptr, ...) @printf(ptr @.str.243, i32 %t892, ptr %t895)
+  %t897 = call i32 (ptr, ...) @printf(ptr @.str.244)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 0
+endif411:
+  %t898 = extractvalue { ptr, i64, i64 } { ptr @.str.245, i64 8, i64 0 }, 0
+  %t899 = icmp eq ptr %t898, null
+  %t900 = select i1 %t899, ptr @.str.246, ptr %t898
+  %t901 = call ptr @getenv(ptr %t900)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a902
+  call void @finch_str_from_c(ptr %a902, ptr %t901)
+  %t903 = load { ptr, i64, i64 }, ptr %a902
+  store { ptr, i64, i64 } %t903, ptr %a904
+  call void @finch_str_copy(ptr %a905, ptr %a904)
+  %t906 = load { ptr, i64, i64 }, ptr %a905
+  store { ptr, i64, i64 } %t906, ptr %a907
+  %t908 = getelementptr inbounds { ptr, i64, i64 }, ptr %a907, i32 0, i32 1
+  %t909 = load i64, ptr %t908
+  %t910 = icmp eq i64 %t909, 0
+  br i1 %t910, label %then435, label %endif437
+then435:
+  %t911 = load { ptr, i64, i64 }, ptr %a1
+  %t912 = extractvalue { ptr, i64, i64 } %t911, 1
+  %t913 = icmp uge i64 0, %t912
+  br i1 %t913, label %range438, label %inrange439
+range438:
+  call void @finch_panic_index(ptr @.str.247, i64 296, i64 0, i64 %t912)
+  unreachable
+inrange439:
+  %t914 = extractvalue { ptr, i64, i64 } %t911, 0
+  %t915 = getelementptr inbounds { ptr, i64, i64 }, ptr %t914, i64 0
+  %t916 = load { ptr, i64, i64 }, ptr %t915
+  %t917 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t916)
+  store { ptr, i64, i64 } %t917, ptr %a919
+  store { ptr, i64, i64 } { ptr @.str.248, i64 22, i64 0 }, ptr %a920
+  call void @finch_str_concat(ptr %a918, ptr %a919, ptr %a920)
+  store { ptr, i64, i64 } %t917, ptr %a921
+  call void @finch_str_drop(ptr %a921)
+  %t922 = load { ptr, i64, i64 }, ptr %a918
+  %t923 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t922, ptr %a907
   store { ptr, i64, i64 } %t923, ptr %a924
-  store { ptr, i64, i64 } { ptr @.str.249, i64 3, i64 0 }, ptr %a925
-  %t926 = call i32 @finch_str_eq(ptr %a924, ptr %a925)
-  %t927 = icmp ne i32 %t926, 0
-  br i1 %t927, label %then405, label %endif407
-then405:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a928
-  store i64 0, ptr %a929
-  br label %each.cond408
-each.cond408:
-  %t930 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
-  %t931 = load i64, ptr %t930
-  %t932 = load i64, ptr %a929
-  %t933 = icmp slt i64 %t932, %t931
-  br i1 %t933, label %each.body409, label %each.end411
-each.body409:
-  %t934 = load ptr, ptr %a113
-  %t935 = getelementptr inbounds { ptr, i64, i64 }, ptr %t934, i64 %t932
-  %t936 = load { ptr, i64, i64 }, ptr %t935
-  store { ptr, i64, i64 } %t936, ptr %a937
-  %t938 = getelementptr inbounds { ptr, i64, i64 }, ptr %a928, i32 0, i32 1
-  %t939 = load { ptr, i64, i64 }, ptr %a937
-  %t940 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t939)
-  %t941 = load i64, ptr %t938
-  %t942 = add i64 %t941, 1
-  call void @finch_arr_reserve(ptr %a928, i64 %t942, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t943 = load ptr, ptr %a928
-  %t944 = getelementptr inbounds { ptr, i64, i64 }, ptr %t943, i64 %t941
-  store { ptr, i64, i64 } %t940, ptr %t944
-  store i64 %t942, ptr %t938
-  br label %each.step410
-each.step410:
-  %t945 = load i64, ptr %a929
-  %t946 = add i64 %t945, 1
-  store i64 %t946, ptr %a929
-  br label %each.cond408
-each.end411:
-  %t947 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 8
-  %t948 = load { ptr, i64, i64 }, ptr %t947
-  %t949 = load { ptr, i64, i64 }, ptr %a103
-  %t950 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t949)
-  store { ptr, i64, i64 } %t948, ptr %a952
-  store { ptr, i64, i64 } %t950, ptr %a953
-  call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
-  %t954 = load { ptr, i64, i64 }, ptr %a951
-  store { ptr, i64, i64 } %t954, ptr %a956
-  store { ptr, i64, i64 } { ptr @.str.250, i64 1, i64 0 }, ptr %a957
-  call void @finch_str_concat(ptr %a955, ptr %a956, ptr %a957)
-  %t958 = load { ptr, i64, i64 }, ptr %a955
-  %t959 = getelementptr inbounds { ptr, i64, i64 }, ptr %a928, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.251, i64 1, i64 0 }, ptr %a960
-  call void @finch_str_join(ptr %a961, ptr %a928, ptr %a960)
-  %t962 = load { ptr, i64, i64 }, ptr %a961
-  store { ptr, i64, i64 } %t958, ptr %a964
-  store { ptr, i64, i64 } %t962, ptr %a965
-  call void @finch_str_concat(ptr %a963, ptr %a964, ptr %a965)
-  %t966 = load { ptr, i64, i64 }, ptr %a963
-  store { ptr, i64, i64 } %t966, ptr %a968
-  call void @finch_str_copy(ptr %a967, ptr %a968)
-  %t969 = call i64 @finch_shell(ptr %a967)
-  store i64 %t969, ptr %a970
-  %t971 = load { ptr, i64, i64 }, ptr %a103
-  %t972 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t971)
-  store { ptr, i64, i64 } { ptr @.str.252, i64 6, i64 0 }, ptr %a974
-  store { ptr, i64, i64 } %t972, ptr %a975
-  call void @finch_str_concat(ptr %a973, ptr %a974, ptr %a975)
-  %t976 = load { ptr, i64, i64 }, ptr %a973
-  store { ptr, i64, i64 } %t976, ptr %a978
-  call void @finch_str_copy(ptr %a977, ptr %a978)
-  %t979 = call i64 @finch_shell(ptr %a977)
-  %t980 = load i64, ptr %a970
-  ret i64 %t980
-endif407:
+  call void @finch_str_drop(ptr %a924)
+  br label %endif437
+endif437:
+  %t925 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t925, ptr %a926
+  %t927 = call i32 @finch_file_exists(ptr %a926)
+  %t928 = icmp ne i32 %t927, 0
+  %t929 = xor i1 %t928, true
+  br i1 %t929, label %then440, label %endif442
+then440:
+  %t930 = load { ptr, i64, i64 }, ptr %a1
+  %t931 = extractvalue { ptr, i64, i64 } %t930, 1
+  %t932 = icmp uge i64 0, %t931
+  br i1 %t932, label %range443, label %inrange444
+range443:
+  call void @finch_panic_index(ptr @.str.249, i64 299, i64 0, i64 %t931)
+  unreachable
+inrange444:
+  %t933 = extractvalue { ptr, i64, i64 } %t930, 0
+  %t934 = getelementptr inbounds { ptr, i64, i64 }, ptr %t933, i64 0
+  %t935 = load { ptr, i64, i64 }, ptr %t934
+  %t936 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t935)
+  store { ptr, i64, i64 } %t936, ptr %a938
+  store { ptr, i64, i64 } { ptr @.str.250, i64 19, i64 0 }, ptr %a939
+  call void @finch_str_concat(ptr %a937, ptr %a938, ptr %a939)
+  store { ptr, i64, i64 } %t936, ptr %a940
+  call void @finch_str_drop(ptr %a940)
+  %t941 = load { ptr, i64, i64 }, ptr %a937
+  %t942 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t941, ptr %a907
+  store { ptr, i64, i64 } %t942, ptr %a943
+  call void @finch_str_drop(ptr %a943)
+  br label %endif442
+endif442:
+  %t944 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t944, ptr %a945
+  %t946 = call i32 @finch_file_exists(ptr %a945)
+  %t947 = icmp ne i32 %t946, 0
+  %t948 = xor i1 %t947, true
+  br i1 %t948, label %then445, label %endif447
+then445:
+  %t949 = load { ptr, i64, i64 }, ptr %a1
+  %t950 = extractvalue { ptr, i64, i64 } %t949, 1
+  %t951 = icmp uge i64 0, %t950
+  br i1 %t951, label %range448, label %inrange449
+range448:
+  call void @finch_panic_index(ptr @.str.251, i64 302, i64 0, i64 %t950)
+  unreachable
+inrange449:
+  %t952 = extractvalue { ptr, i64, i64 } %t949, 0
+  %t953 = getelementptr inbounds { ptr, i64, i64 }, ptr %t952, i64 0
+  %t954 = load { ptr, i64, i64 }, ptr %t953
+  %t955 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t954)
+  store { ptr, i64, i64 } %t955, ptr %a957
+  store { ptr, i64, i64 } { ptr @.str.252, i64 34, i64 0 }, ptr %a958
+  call void @finch_str_concat(ptr %a956, ptr %a957, ptr %a958)
+  store { ptr, i64, i64 } %t955, ptr %a959
+  call void @finch_str_drop(ptr %a959)
+  %t960 = load { ptr, i64, i64 }, ptr %a956
+  %t961 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t960, ptr %a907
+  store { ptr, i64, i64 } %t961, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  br label %endif447
+endif447:
+  %t963 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t963, ptr %a964
+  %t965 = call i32 @finch_file_exists(ptr %a964)
+  %t966 = icmp ne i32 %t965, 0
+  %t967 = xor i1 %t966, true
+  br label %logic.from450
+logic.from450:
+  br i1 %t967, label %logic.rhs451, label %logic.end452
+logic.rhs451:
+  store { ptr, i64, i64 } { ptr @.str.253, i64 18, i64 0 }, ptr %a968
+  %t969 = call i32 @finch_file_exists(ptr %a968)
+  %t970 = icmp ne i32 %t969, 0
+  br label %logic.rend453
+logic.rend453:
+  br label %logic.end452
+logic.end452:
+  %t971 = phi i1 [ false, %logic.from450 ], [ %t970, %logic.rend453 ]
+  br i1 %t971, label %then454, label %endif456
+then454:
+  %t972 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } { ptr @.str.254, i64 18, i64 0 }, ptr %a907
+  store { ptr, i64, i64 } %t972, ptr %a973
+  call void @finch_str_drop(ptr %a973)
+  br label %endif456
+endif456:
+  %t974 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t974, ptr %a975
+  %t976 = call i32 @finch_file_exists(ptr %a975)
+  %t977 = icmp ne i32 %t976, 0
+  %t978 = xor i1 %t977, true
+  br i1 %t978, label %then457, label %endif459
+then457:
+  %t979 = call { ptr, i64, i64 } @finch.main.unpack()
+  store { ptr, i64, i64 } %t979, ptr %a981
+  store { ptr, i64, i64 } { ptr @.str.255, i64 19, i64 0 }, ptr %a982
+  call void @finch_str_concat(ptr %a980, ptr %a981, ptr %a982)
+  store { ptr, i64, i64 } %t979, ptr %a983
+  call void @finch_str_drop(ptr %a983)
+  %t984 = load { ptr, i64, i64 }, ptr %a980
+  %t985 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t984, ptr %a907
+  store { ptr, i64, i64 } %t985, ptr %a986
+  call void @finch_str_drop(ptr %a986)
+  br label %endif459
+endif459:
+  store { ptr, i64, i64 } { ptr @.str.256, i64 0, i64 0 }, ptr %a987
+  %t988 = load i1, ptr %a105
+  br i1 %t988, label %then460, label %endif462
+then460:
+  %t989 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } { ptr @.str.257, i64 6, i64 0 }, ptr %a987
+  store { ptr, i64, i64 } %t989, ptr %a990
+  call void @finch_str_drop(ptr %a990)
+  br label %endif462
+endif462:
+  %t991 = load i1, ptr %a106
+  br i1 %t991, label %then463, label %endif465
+then463:
+  %t992 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t992, ptr %a994
+  store { ptr, i64, i64 } { ptr @.str.258, i64 3, i64 0 }, ptr %a995
+  call void @finch_str_concat(ptr %a993, ptr %a994, ptr %a995)
+  %t996 = load { ptr, i64, i64 }, ptr %a993
+  %t997 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t996, ptr %a987
+  store { ptr, i64, i64 } %t997, ptr %a998
+  call void @finch_str_drop(ptr %a998)
+  br label %endif465
+endif465:
+  %t999 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t999, ptr %a1000
+  call void @finch_str_copy(ptr %a1001, ptr %a1000)
+  %t1002 = load { ptr, i64, i64 }, ptr %a1001
+  %t1003 = insertvalue %S.linker.Build zeroinitializer, { ptr, i64, i64 } %t1002, 0
+  %t1004 = load { ptr, i64, i64 }, ptr %a878
+  store { ptr, i64, i64 } %t1004, ptr %a1005
+  call void @finch_str_copy(ptr %a1006, ptr %a1005)
+  %t1007 = load { ptr, i64, i64 }, ptr %a1006
+  %t1008 = insertvalue %S.linker.Build %t1003, { ptr, i64, i64 } %t1007, 1
+  %t1009 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t1009, ptr %a1010
+  call void @finch_str_copy(ptr %a1011, ptr %a1010)
+  %t1012 = load { ptr, i64, i64 }, ptr %a1011
+  %t1013 = insertvalue %S.linker.Build %t1008, { ptr, i64, i64 } %t1012, 2
+  %t1014 = load { ptr, i64, i64 }, ptr %a108
+  store { ptr, i64, i64 } %t1014, ptr %a1015
+  call void @finch_str_copy(ptr %a1016, ptr %a1015)
+  %t1017 = load { ptr, i64, i64 }, ptr %a1016
+  %t1018 = insertvalue %S.linker.Build %t1013, { ptr, i64, i64 } %t1017, 3
+  %t1019 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t1019, ptr %a1020
+  call void @finch_str_copy(ptr %a1021, ptr %a1020)
+  %t1022 = load { ptr, i64, i64 }, ptr %a1021
+  %t1023 = insertvalue %S.linker.Build %t1018, { ptr, i64, i64 } %t1022, 4
+  %t1024 = load i1, ptr %a105
+  %t1025 = insertvalue %S.linker.Build %t1023, i1 %t1024, 5
+  %t1026 = load { ptr, i64, i64 }, ptr %a643
+  store { ptr, i64, i64 } %t1026, ptr %a1027
+  call void @finch.copy.arr_str(ptr %a1028, ptr %a1027)
+  %t1029 = load { ptr, i64, i64 }, ptr %a1028
+  %t1030 = insertvalue %S.linker.Build %t1025, { ptr, i64, i64 } %t1029, 6
+  %t1031 = load %S.platform.Target, ptr %a381
+  %t1032 = load %S.cimport.CImports, ptr %a853
+  %t1033 = call i64 @finch.linker.build(%S.linker.Build %t1030, %S.platform.Target %t1031, %S.cimport.CImports %t1032)
+  store %S.linker.Build %t1030, ptr %a1034
+  call void @finch.drop.S_linker_Build(ptr %a1034)
+  %t1035 = icmp ne i64 %t1033, 0
+  br i1 %t1035, label %then466, label %endif468
+then466:
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a907)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 1
+endif468:
+  %t1036 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t1036, ptr %a1037
+  store { ptr, i64, i64 } { ptr @.str.259, i64 3, i64 0 }, ptr %a1038
+  %t1039 = call i32 @finch_str_eq(ptr %a1037, ptr %a1038)
+  %t1040 = icmp ne i32 %t1039, 0
+  br i1 %t1040, label %then469, label %endif471
+then469:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1041
+  store i64 0, ptr %a1042
+  br label %each.cond472
+each.cond472:
+  %t1043 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
+  %t1044 = load i64, ptr %t1043
+  %t1045 = load i64, ptr %a1042
+  %t1046 = icmp slt i64 %t1045, %t1044
+  br i1 %t1046, label %each.body473, label %each.end475
+each.body473:
+  %t1047 = load ptr, ptr %a113
+  %t1048 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1047, i64 %t1045
+  %t1049 = load { ptr, i64, i64 }, ptr %t1048
+  store { ptr, i64, i64 } %t1049, ptr %a1050
+  %t1051 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1041, i32 0, i32 1
+  %t1052 = load { ptr, i64, i64 }, ptr %a1050
+  %t1053 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t1052)
+  %t1054 = load i64, ptr %t1051
+  %t1055 = add i64 %t1054, 1
+  call void @finch_arr_reserve(ptr %a1041, i64 %t1055, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1056 = load ptr, ptr %a1041
+  %t1057 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1056, i64 %t1054
+  store { ptr, i64, i64 } %t1053, ptr %t1057
+  store i64 %t1055, ptr %t1051
+  br label %each.step474
+each.step474:
+  %t1058 = load i64, ptr %a1042
+  %t1059 = add i64 %t1058, 1
+  store i64 %t1059, ptr %a1042
+  br label %each.cond472
+each.end475:
+  %t1060 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 8
+  %t1061 = load { ptr, i64, i64 }, ptr %t1060
+  %t1062 = load { ptr, i64, i64 }, ptr %a103
+  %t1063 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t1062)
+  store { ptr, i64, i64 } %t1061, ptr %a1065
+  store { ptr, i64, i64 } %t1063, ptr %a1066
+  call void @finch_str_concat(ptr %a1064, ptr %a1065, ptr %a1066)
+  store { ptr, i64, i64 } %t1063, ptr %a1067
+  call void @finch_str_drop(ptr %a1067)
+  %t1068 = load { ptr, i64, i64 }, ptr %a1064
+  store { ptr, i64, i64 } %t1068, ptr %a1070
+  store { ptr, i64, i64 } { ptr @.str.260, i64 1, i64 0 }, ptr %a1071
+  call void @finch_str_concat(ptr %a1069, ptr %a1070, ptr %a1071)
+  store { ptr, i64, i64 } %t1068, ptr %a1072
+  call void @finch_str_drop(ptr %a1072)
+  %t1073 = load { ptr, i64, i64 }, ptr %a1069
+  %t1074 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1041, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.261, i64 1, i64 0 }, ptr %a1075
+  call void @finch_str_join(ptr %a1076, ptr %a1041, ptr %a1075)
+  %t1077 = load { ptr, i64, i64 }, ptr %a1076
+  store { ptr, i64, i64 } %t1073, ptr %a1079
+  store { ptr, i64, i64 } %t1077, ptr %a1080
+  call void @finch_str_concat(ptr %a1078, ptr %a1079, ptr %a1080)
+  store { ptr, i64, i64 } %t1073, ptr %a1081
+  call void @finch_str_drop(ptr %a1081)
+  store { ptr, i64, i64 } %t1077, ptr %a1082
+  call void @finch_str_drop(ptr %a1082)
+  %t1083 = load { ptr, i64, i64 }, ptr %a1078
+  %t1084 = call i64 @finch.host.run({ ptr, i64, i64 } %t1083)
+  store { ptr, i64, i64 } %t1083, ptr %a1085
+  call void @finch_str_drop(ptr %a1085)
+  store i64 %t1084, ptr %a1086
+  %t1087 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch.host.remove({ ptr, i64, i64 } %t1087)
+  %t1088 = load i64, ptr %a1086
+  call void @finch.drop.arr_str(ptr %a1041)
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a907)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 %t1088
+endif471:
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a907)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
   ret i64 0
 }
 
@@ -10604,50 +12063,50 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 97
-  br label %logic.from412
-logic.from412:
-  br i1 %t3, label %logic.rhs413, label %logic.end414
-logic.rhs413:
+  br label %logic.from476
+logic.from476:
+  br i1 %t3, label %logic.rhs477, label %logic.end478
+logic.rhs477:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 122
-  br label %logic.rend415
-logic.rend415:
-  br label %logic.end414
-logic.end414:
-  %t6 = phi i1 [ false, %logic.from412 ], [ %t5, %logic.rend415 ]
-  br label %logic.from416
-logic.from416:
-  br i1 %t6, label %logic.end418, label %logic.rhs417
-logic.rhs417:
+  br label %logic.rend479
+logic.rend479:
+  br label %logic.end478
+logic.end478:
+  %t6 = phi i1 [ false, %logic.from476 ], [ %t5, %logic.rend479 ]
+  br label %logic.from480
+logic.from480:
+  br i1 %t6, label %logic.end482, label %logic.rhs481
+logic.rhs481:
   %t7 = load i8, ptr %a1
   %t8 = icmp uge i8 %t7, 65
-  br label %logic.from419
-logic.from419:
-  br i1 %t8, label %logic.rhs420, label %logic.end421
-logic.rhs420:
+  br label %logic.from483
+logic.from483:
+  br i1 %t8, label %logic.rhs484, label %logic.end485
+logic.rhs484:
   %t9 = load i8, ptr %a1
   %t10 = icmp ule i8 %t9, 90
-  br label %logic.rend422
-logic.rend422:
-  br label %logic.end421
-logic.end421:
-  %t11 = phi i1 [ false, %logic.from419 ], [ %t10, %logic.rend422 ]
-  br label %logic.rend423
-logic.rend423:
-  br label %logic.end418
-logic.end418:
-  %t12 = phi i1 [ true, %logic.from416 ], [ %t11, %logic.rend423 ]
-  br label %logic.from424
-logic.from424:
-  br i1 %t12, label %logic.end426, label %logic.rhs425
-logic.rhs425:
+  br label %logic.rend486
+logic.rend486:
+  br label %logic.end485
+logic.end485:
+  %t11 = phi i1 [ false, %logic.from483 ], [ %t10, %logic.rend486 ]
+  br label %logic.rend487
+logic.rend487:
+  br label %logic.end482
+logic.end482:
+  %t12 = phi i1 [ true, %logic.from480 ], [ %t11, %logic.rend487 ]
+  br label %logic.from488
+logic.from488:
+  br i1 %t12, label %logic.end490, label %logic.rhs489
+logic.rhs489:
   %t13 = load i8, ptr %a1
   %t14 = icmp eq i8 %t13, 95
-  br label %logic.rend427
-logic.rend427:
-  br label %logic.end426
-logic.end426:
-  %t15 = phi i1 [ true, %logic.from424 ], [ %t14, %logic.rend427 ]
+  br label %logic.rend491
+logic.rend491:
+  br label %logic.end490
+logic.end490:
+  %t15 = phi i1 [ true, %logic.from488 ], [ %t14, %logic.rend491 ]
   ret i1 %t15
 }
 
@@ -10657,17 +12116,17 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 48
-  br label %logic.from428
-logic.from428:
-  br i1 %t3, label %logic.rhs429, label %logic.end430
-logic.rhs429:
+  br label %logic.from492
+logic.from492:
+  br i1 %t3, label %logic.rhs493, label %logic.end494
+logic.rhs493:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 57
-  br label %logic.rend431
-logic.rend431:
-  br label %logic.end430
-logic.end430:
-  %t6 = phi i1 [ false, %logic.from428 ], [ %t5, %logic.rend431 ]
+  br label %logic.rend495
+logic.rend495:
+  br label %logic.end494
+logic.end494:
+  %t6 = phi i1 [ false, %logic.from492 ], [ %t5, %logic.rend495 ]
   ret i1 %t6
 }
 
@@ -10677,50 +12136,50 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = call i1 @finch.lexer.isDigit(i8 %t2)
-  br label %logic.from432
-logic.from432:
-  br i1 %t3, label %logic.end434, label %logic.rhs433
-logic.rhs433:
+  br label %logic.from496
+logic.from496:
+  br i1 %t3, label %logic.end498, label %logic.rhs497
+logic.rhs497:
   %t4 = load i8, ptr %a1
   %t5 = icmp uge i8 %t4, 97
-  br label %logic.from435
-logic.from435:
-  br i1 %t5, label %logic.rhs436, label %logic.end437
-logic.rhs436:
+  br label %logic.from499
+logic.from499:
+  br i1 %t5, label %logic.rhs500, label %logic.end501
+logic.rhs500:
   %t6 = load i8, ptr %a1
   %t7 = icmp ule i8 %t6, 102
-  br label %logic.rend438
-logic.rend438:
-  br label %logic.end437
-logic.end437:
-  %t8 = phi i1 [ false, %logic.from435 ], [ %t7, %logic.rend438 ]
-  br label %logic.rend439
-logic.rend439:
-  br label %logic.end434
-logic.end434:
-  %t9 = phi i1 [ true, %logic.from432 ], [ %t8, %logic.rend439 ]
-  br label %logic.from440
-logic.from440:
-  br i1 %t9, label %logic.end442, label %logic.rhs441
-logic.rhs441:
+  br label %logic.rend502
+logic.rend502:
+  br label %logic.end501
+logic.end501:
+  %t8 = phi i1 [ false, %logic.from499 ], [ %t7, %logic.rend502 ]
+  br label %logic.rend503
+logic.rend503:
+  br label %logic.end498
+logic.end498:
+  %t9 = phi i1 [ true, %logic.from496 ], [ %t8, %logic.rend503 ]
+  br label %logic.from504
+logic.from504:
+  br i1 %t9, label %logic.end506, label %logic.rhs505
+logic.rhs505:
   %t10 = load i8, ptr %a1
   %t11 = icmp uge i8 %t10, 65
-  br label %logic.from443
-logic.from443:
-  br i1 %t11, label %logic.rhs444, label %logic.end445
-logic.rhs444:
+  br label %logic.from507
+logic.from507:
+  br i1 %t11, label %logic.rhs508, label %logic.end509
+logic.rhs508:
   %t12 = load i8, ptr %a1
   %t13 = icmp ule i8 %t12, 70
-  br label %logic.rend446
-logic.rend446:
-  br label %logic.end445
-logic.end445:
-  %t14 = phi i1 [ false, %logic.from443 ], [ %t13, %logic.rend446 ]
-  br label %logic.rend447
-logic.rend447:
-  br label %logic.end442
-logic.end442:
-  %t15 = phi i1 [ true, %logic.from440 ], [ %t14, %logic.rend447 ]
+  br label %logic.rend510
+logic.rend510:
+  br label %logic.end509
+logic.end509:
+  %t14 = phi i1 [ false, %logic.from507 ], [ %t13, %logic.rend510 ]
+  br label %logic.rend511
+logic.rend511:
+  br label %logic.end506
+logic.end506:
+  %t15 = phi i1 [ true, %logic.from504 ], [ %t14, %logic.rend511 ]
   ret i1 %t15
 }
 
@@ -10736,47 +12195,47 @@ entry:
   %t2 = mul i64 21, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.253, i64 2, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.262, i64 2, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.254, i64 6, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.263, i64 6, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.255, i64 2, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.264, i64 2, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.256, i64 4, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.265, i64 4, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.257, i64 5, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.266, i64 5, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.258, i64 3, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.267, i64 3, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.259, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.268, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.260, i64 5, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.269, i64 5, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.261, i64 8, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.270, i64 8, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.262, i64 4, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.271, i64 4, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.263, i64 5, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.272, i64 5, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.264, i64 4, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.273, i64 4, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.265, i64 6, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.274, i64 6, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.266, i64 4, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.275, i64 4, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.267, i64 6, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.276, i64 6, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.268, i64 5, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.277, i64 5, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 16
-  store { ptr, i64, i64 } { ptr @.str.269, i64 2, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.278, i64 2, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 17
-  store { ptr, i64, i64 } { ptr @.str.270, i64 3, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.279, i64 3, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 18
-  store { ptr, i64, i64 } { ptr @.str.271, i64 4, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.280, i64 4, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 19
-  store { ptr, i64, i64 } { ptr @.str.272, i64 5, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.281, i64 5, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 20
-  store { ptr, i64, i64 } { ptr @.str.273, i64 6, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.282, i64 6, i64 0 }, ptr %t24
   %t25 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t26 = insertvalue { ptr, i64, i64 } %t25, i64 21, 1
   %t27 = insertvalue { ptr, i64, i64 } %t26, i64 21, 2
@@ -10787,29 +12246,30 @@ entry:
   %t32 = load i64, ptr %t29
   %t33 = load ptr, ptr %a28
   store i64 0, ptr %a34
-  br label %find.cond448
-find.cond448:
+  br label %find.cond512
+find.cond512:
   %t35 = load i64, ptr %a34
   %t36 = icmp slt i64 %t35, %t32
-  br i1 %t36, label %find.body449, label %find.end452
-find.body449:
+  br i1 %t36, label %find.body513, label %find.end516
+find.body513:
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t35
   %t38 = load { ptr, i64, i64 }, ptr %t37
   store { ptr, i64, i64 } %t38, ptr %a39
   store { ptr, i64, i64 } %t30, ptr %a40
   %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
   %t42 = icmp ne i32 %t41, 0
-  br i1 %t42, label %find.hit450, label %find.next451
-find.hit450:
+  br i1 %t42, label %find.hit514, label %find.next515
+find.hit514:
   store i64 %t35, ptr %a31
-  br label %find.end452
-find.next451:
+  br label %find.end516
+find.next515:
   %t43 = add i64 %t35, 1
   store i64 %t43, ptr %a34
-  br label %find.cond448
-find.end452:
+  br label %find.cond512
+find.end516:
   %t44 = load i64, ptr %a31
   %t45 = icmp sge i64 %t44, 0
+  call void @finch.drop.arr_str(ptr %a28)
   ret i1 %t45
 }
 
@@ -10826,34 +12286,42 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store i64 %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic453, label %ok454
-panic453:
-  call void @finch_panic(ptr @.str.274, i64 41, ptr @.str.275)
+  br i1 %t6, label %panic517, label %ok518
+panic517:
+  call void @finch_panic(ptr @.str.283, i64 41, ptr @.str.284)
   unreachable
-ok454:
+ok518:
   %t7 = getelementptr inbounds %S.lexer.Lexer, ptr %t5, i32 0, i32 1
   %t8 = load { ptr, i64, i64 }, ptr %t7
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.276, i64 1, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.285, i64 1, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load i64, ptr %a2
@@ -10862,37 +12330,53 @@ ok454:
   store { ptr, i64, i64 } %t12, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.277, i64 1, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a25, i64 %t24)
-  %t26 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.278, i64 9, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t34, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.286, i64 1, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a28, i64 %t27)
+  %t29 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t26, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t26, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a30
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.287, i64 9, i64 0 }, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = trunc i64 %t40 to i32
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = icmp eq ptr %t42, null
-  %t44 = select i1 %t43, ptr @.str.279, ptr %t42
-  %t45 = call i32 (ptr, ...) @printf(ptr @.str.280, i32 %t41, ptr %t44)
-  %t46 = call i32 (ptr, ...) @printf(ptr @.str.281)
-  %t47 = trunc i64 1 to i32
-  %t48 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t47)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t40, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t40, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = trunc i64 %t47 to i32
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = icmp eq ptr %t49, null
+  %t51 = select i1 %t50, ptr @.str.288, ptr %t49
+  %t52 = call i32 (ptr, ...) @printf(ptr @.str.289, i32 %t48, ptr %t51)
+  store { ptr, i64, i64 } %t46, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = call i32 (ptr, ...) @printf(ptr @.str.290)
+  %t55 = trunc i64 1 to i32
+  %t56 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t55)
   ret void
 }
 
@@ -10904,43 +12388,43 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic455, label %ok456
-panic455:
-  call void @finch_panic(ptr @.str.282, i64 46, ptr @.str.283)
+  br i1 %t4, label %panic519, label %ok520
+panic519:
+  call void @finch_panic(ptr @.str.291, i64 46, ptr @.str.292)
   unreachable
-ok456:
+ok520:
   %t5 = getelementptr inbounds %S.lexer.Lexer, ptr %t3, i32 0, i32 2
   %t6 = load i64, ptr %t5
   %t7 = load i64, ptr %a2
   %t8 = add i64 %t6, %t7
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic457, label %ok458
-panic457:
-  call void @finch_panic(ptr @.str.284, i64 46, ptr @.str.285)
+  br i1 %t10, label %panic521, label %ok522
+panic521:
+  call void @finch_panic(ptr @.str.293, i64 46, ptr @.str.294)
   unreachable
-ok458:
+ok522:
   %t11 = getelementptr inbounds %S.lexer.Lexer, ptr %t9, i32 0, i32 0
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t11, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = icmp slt i64 %t8, %t13
-  br i1 %t14, label %then459, label %endif461
-then459:
+  br i1 %t14, label %then523, label %endif525
+then523:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic462, label %ok463
-panic462:
-  call void @finch_panic(ptr @.str.286, i64 47, ptr @.str.287)
+  br i1 %t16, label %panic526, label %ok527
+panic526:
+  call void @finch_panic(ptr @.str.295, i64 47, ptr @.str.296)
   unreachable
-ok463:
+ok527:
   %t17 = getelementptr inbounds %S.lexer.Lexer, ptr %t15, i32 0, i32 0
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic464, label %ok465
-panic464:
-  call void @finch_panic(ptr @.str.288, i64 47, ptr @.str.289)
+  br i1 %t19, label %panic528, label %ok529
+panic528:
+  call void @finch_panic(ptr @.str.297, i64 47, ptr @.str.298)
   unreachable
-ok465:
+ok529:
   %t20 = getelementptr inbounds %S.lexer.Lexer, ptr %t18, i32 0, i32 2
   %t21 = load i64, ptr %t20
   %t22 = load i64, ptr %a2
@@ -10948,16 +12432,16 @@ ok465:
   %t24 = load { ptr, i64, i64 }, ptr %t17
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range466, label %inrange467
-range466:
-  call void @finch_panic_index(ptr @.str.290, i64 47, i64 %t23, i64 %t25)
+  br i1 %t26, label %range530, label %inrange531
+range530:
+  call void @finch_panic_index(ptr @.str.299, i64 47, i64 %t23, i64 %t25)
   unreachable
-inrange467:
+inrange531:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds i8, ptr %t27, i64 %t23
   %t29 = load i8, ptr %t28
   ret i8 %t29
-endif461:
+endif525:
   %t30 = trunc i64 0 to i8
   ret i8 %t30
 }
@@ -10969,96 +12453,96 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic468, label %ok469
-panic468:
-  call void @finch_panic(ptr @.str.291, i64 53, ptr @.str.292)
+  br i1 %t3, label %panic532, label %ok533
+panic532:
+  call void @finch_panic(ptr @.str.300, i64 53, ptr @.str.301)
   unreachable
-ok469:
+ok533:
   %t4 = getelementptr inbounds %S.lexer.Lexer, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic470, label %ok471
-panic470:
-  call void @finch_panic(ptr @.str.293, i64 53, ptr @.str.294)
+  br i1 %t6, label %panic534, label %ok535
+panic534:
+  call void @finch_panic(ptr @.str.302, i64 53, ptr @.str.303)
   unreachable
-ok471:
+ok535:
   %t7 = getelementptr inbounds %S.lexer.Lexer, ptr %t5, i32 0, i32 2
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range472, label %inrange473
-range472:
-  call void @finch_panic_index(ptr @.str.295, i64 53, i64 %t8, i64 %t10)
+  br i1 %t11, label %range536, label %inrange537
+range536:
+  call void @finch_panic_index(ptr @.str.304, i64 53, i64 %t8, i64 %t10)
   unreachable
-inrange473:
+inrange537:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds i8, ptr %t12, i64 %t8
   %t14 = load i8, ptr %t13
   store i8 %t14, ptr %a15
   %t16 = load i8, ptr %a15
   %t17 = icmp eq i8 %t16, 10
-  br i1 %t17, label %then474, label %else475
-then474:
+  br i1 %t17, label %then538, label %else539
+then538:
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic477, label %ok478
-panic477:
-  call void @finch_panic(ptr @.str.296, i64 55, ptr @.str.297)
+  br i1 %t19, label %panic541, label %ok542
+panic541:
+  call void @finch_panic(ptr @.str.305, i64 55, ptr @.str.306)
   unreachable
-ok478:
+ok542:
   %t20 = getelementptr inbounds %S.lexer.Lexer, ptr %t18, i32 0, i32 3
   %t21 = load i64, ptr %t20
   %t22 = add i64 %t21, 1
   store i64 %t22, ptr %t20
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic479, label %ok480
-panic479:
-  call void @finch_panic(ptr @.str.298, i64 56, ptr @.str.299)
+  br i1 %t24, label %panic543, label %ok544
+panic543:
+  call void @finch_panic(ptr @.str.307, i64 56, ptr @.str.308)
   unreachable
-ok480:
+ok544:
   %t25 = getelementptr inbounds %S.lexer.Lexer, ptr %t23, i32 0, i32 4
   store i64 1, ptr %t25
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic481, label %ok482
-panic481:
-  call void @finch_panic(ptr @.str.300, i64 57, ptr @.str.301)
+  br i1 %t27, label %panic545, label %ok546
+panic545:
+  call void @finch_panic(ptr @.str.309, i64 57, ptr @.str.310)
   unreachable
-ok482:
+ok546:
   %t28 = getelementptr inbounds %S.lexer.Lexer, ptr %t26, i32 0, i32 5
   store i1 true, ptr %t28
-  br label %endif476
-else475:
+  br label %endif540
+else539:
   %t29 = load i8, ptr %a15
   %t30 = zext i8 %t29 to i64
   %t31 = and i64 %t30, 192
   %t32 = icmp ne i64 %t31, 128
-  br i1 %t32, label %then483, label %endif485
-then483:
+  br i1 %t32, label %then547, label %endif549
+then547:
   %t33 = load ptr, ptr %a1
   %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic486, label %ok487
-panic486:
-  call void @finch_panic(ptr @.str.302, i64 59, ptr @.str.303)
+  br i1 %t34, label %panic550, label %ok551
+panic550:
+  call void @finch_panic(ptr @.str.311, i64 59, ptr @.str.312)
   unreachable
-ok487:
+ok551:
   %t35 = getelementptr inbounds %S.lexer.Lexer, ptr %t33, i32 0, i32 4
   %t36 = load i64, ptr %t35
   %t37 = add i64 %t36, 1
   store i64 %t37, ptr %t35
-  br label %endif485
-endif485:
-  br label %endif476
-endif476:
+  br label %endif549
+endif549:
+  br label %endif540
+endif540:
   %t38 = load ptr, ptr %a1
   %t39 = icmp eq ptr %t38, null
-  br i1 %t39, label %panic488, label %ok489
-panic488:
-  call void @finch_panic(ptr @.str.304, i64 61, ptr @.str.305)
+  br i1 %t39, label %panic552, label %ok553
+panic552:
+  call void @finch_panic(ptr @.str.313, i64 61, ptr @.str.314)
   unreachable
-ok489:
+ok553:
   %t40 = getelementptr inbounds %S.lexer.Lexer, ptr %t38, i32 0, i32 2
   %t41 = load i64, ptr %t40
   %t42 = add i64 %t41, 1
@@ -11084,100 +12568,98 @@ entry:
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = mul i64 16, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.306, i64 2, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.315, i64 2, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.307, i64 2, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.316, i64 2, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.308, i64 2, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.317, i64 2, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.309, i64 2, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.318, i64 2, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.310, i64 2, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.319, i64 2, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.311, i64 2, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.320, i64 2, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.312, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.321, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.313, i64 2, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.322, i64 2, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.314, i64 2, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.323, i64 2, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.315, i64 2, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.324, i64 2, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.316, i64 2, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.325, i64 2, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.317, i64 2, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.326, i64 2, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.318, i64 2, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.327, i64 2, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.319, i64 2, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.328, i64 2, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.320, i64 2, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.329, i64 2, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.321, i64 2, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.330, i64 2, i64 0 }, ptr %t19
   %t20 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t21 = insertvalue { ptr, i64, i64 } %t20, i64 16, 1
   %t22 = insertvalue { ptr, i64, i64 } %t21, i64 16, 2
   store { ptr, i64, i64 } %t22, ptr %a23
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic490, label %ok491
-panic490:
-  call void @finch_panic(ptr @.str.322, i64 67, ptr @.str.323)
+  br i1 %t25, label %panic554, label %ok555
+panic554:
+  call void @finch_panic(ptr @.str.331, i64 67, ptr @.str.332)
   unreachable
-ok491:
+ok555:
   %t26 = getelementptr inbounds %S.lexer.Lexer, ptr %t24, i32 0, i32 2
   %t27 = load i64, ptr %t26
   %t28 = add i64 %t27, 1
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic492, label %ok493
-panic492:
-  call void @finch_panic(ptr @.str.324, i64 67, ptr @.str.325)
+  br i1 %t30, label %panic556, label %ok557
+panic556:
+  call void @finch_panic(ptr @.str.333, i64 67, ptr @.str.334)
   unreachable
-ok493:
+ok557:
   %t31 = getelementptr inbounds %S.lexer.Lexer, ptr %t29, i32 0, i32 0
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
   %t33 = load i64, ptr %t32
   %t34 = icmp slt i64 %t28, %t33
-  br i1 %t34, label %then494, label %endif496
-then494:
+  br i1 %t34, label %then558, label %endif560
+then558:
   %t35 = load ptr, ptr %a1
   %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic497, label %ok498
-panic497:
-  call void @finch_panic(ptr @.str.326, i64 68, ptr @.str.327)
+  br i1 %t36, label %panic561, label %ok562
+panic561:
+  call void @finch_panic(ptr @.str.335, i64 68, ptr @.str.336)
   unreachable
-ok498:
+ok562:
   %t37 = getelementptr inbounds %S.lexer.Lexer, ptr %t35, i32 0, i32 0
   %t38 = load { ptr, i64, i64 }, ptr %t37
   store { ptr, i64, i64 } %t38, ptr %a39
   %t41 = load ptr, ptr %a1
   %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic499, label %ok500
-panic499:
-  call void @finch_panic(ptr @.str.329, i64 68, ptr @.str.330)
+  br i1 %t42, label %panic563, label %ok564
+panic563:
+  call void @finch_panic(ptr @.str.338, i64 68, ptr @.str.339)
   unreachable
-ok500:
+ok564:
   %t43 = getelementptr inbounds %S.lexer.Lexer, ptr %t41, i32 0, i32 2
   %t44 = load i64, ptr %t43
   %t45 = load ptr, ptr %a1
   %t46 = icmp eq ptr %t45, null
-  br i1 %t46, label %panic501, label %ok502
-panic501:
-  call void @finch_panic(ptr @.str.331, i64 68, ptr @.str.332)
+  br i1 %t46, label %panic565, label %ok566
+panic565:
+  call void @finch_panic(ptr @.str.340, i64 68, ptr @.str.341)
   unreachable
-ok502:
+ok566:
   %t47 = getelementptr inbounds %S.lexer.Lexer, ptr %t45, i32 0, i32 2
   %t48 = load i64, ptr %t47
   %t49 = add i64 %t48, 2
-  call void @finch_str_sub(ptr %a40, ptr %a39, i64 %t44, i64 %t49, ptr @.str.328, i64 68)
+  call void @finch_str_sub(ptr %a40, ptr %a39, i64 %t44, i64 %t49, ptr @.str.337, i64 68)
   %t50 = load { ptr, i64, i64 }, ptr %a40
   store { ptr, i64, i64 } %t50, ptr %a51
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a23, i32 0, i32 1
@@ -11186,67 +12668,69 @@ ok502:
   %t55 = load i64, ptr %t52
   %t56 = load ptr, ptr %a23
   store i64 0, ptr %a57
-  br label %find.cond503
-find.cond503:
+  br label %find.cond567
+find.cond567:
   %t58 = load i64, ptr %a57
   %t59 = icmp slt i64 %t58, %t55
-  br i1 %t59, label %find.body504, label %find.end507
-find.body504:
+  br i1 %t59, label %find.body568, label %find.end571
+find.body568:
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i64 %t58
   %t61 = load { ptr, i64, i64 }, ptr %t60
   store { ptr, i64, i64 } %t61, ptr %a62
   store { ptr, i64, i64 } %t53, ptr %a63
   %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
   %t65 = icmp ne i32 %t64, 0
-  br i1 %t65, label %find.hit505, label %find.next506
-find.hit505:
+  br i1 %t65, label %find.hit569, label %find.next570
+find.hit569:
   store i64 %t58, ptr %a54
-  br label %find.end507
-find.next506:
+  br label %find.end571
+find.next570:
   %t66 = add i64 %t58, 1
   store i64 %t66, ptr %a57
-  br label %find.cond503
-find.end507:
+  br label %find.cond567
+find.end571:
   %t67 = load i64, ptr %a54
   %t68 = icmp sge i64 %t67, 0
-  br i1 %t68, label %then508, label %endif510
-then508:
+  br i1 %t68, label %then572, label %endif574
+then572:
   %t69 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.drop.arr_str(ptr %a23)
   ret { ptr, i64, i64 } %t69
-endif510:
-  br label %endif496
-endif496:
-  store { ptr, i64, i64 } { ptr @.str.333, i64 22, i64 0 }, ptr %a70
+endif574:
+  call void @finch_str_drop(ptr %a51)
+  br label %endif560
+endif560:
+  store { ptr, i64, i64 } { ptr @.str.342, i64 22, i64 0 }, ptr %a70
   %t71 = load ptr, ptr %a1
   %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic511, label %ok512
-panic511:
-  call void @finch_panic(ptr @.str.334, i64 74, ptr @.str.335)
+  br i1 %t72, label %panic575, label %ok576
+panic575:
+  call void @finch_panic(ptr @.str.343, i64 74, ptr @.str.344)
   unreachable
-ok512:
+ok576:
   %t73 = getelementptr inbounds %S.lexer.Lexer, ptr %t71, i32 0, i32 0
   %t74 = load { ptr, i64, i64 }, ptr %t73
   store { ptr, i64, i64 } %t74, ptr %a75
   %t77 = load ptr, ptr %a1
   %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic513, label %ok514
-panic513:
-  call void @finch_panic(ptr @.str.337, i64 74, ptr @.str.338)
+  br i1 %t78, label %panic577, label %ok578
+panic577:
+  call void @finch_panic(ptr @.str.346, i64 74, ptr @.str.347)
   unreachable
-ok514:
+ok578:
   %t79 = getelementptr inbounds %S.lexer.Lexer, ptr %t77, i32 0, i32 2
   %t80 = load i64, ptr %t79
   %t81 = load ptr, ptr %a1
   %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic515, label %ok516
-panic515:
-  call void @finch_panic(ptr @.str.339, i64 74, ptr @.str.340)
+  br i1 %t82, label %panic579, label %ok580
+panic579:
+  call void @finch_panic(ptr @.str.348, i64 74, ptr @.str.349)
   unreachable
-ok516:
+ok580:
   %t83 = getelementptr inbounds %S.lexer.Lexer, ptr %t81, i32 0, i32 2
   %t84 = load i64, ptr %t83
   %t85 = add i64 %t84, 1
-  call void @finch_str_sub(ptr %a76, ptr %a75, i64 %t80, i64 %t85, ptr @.str.336, i64 74)
+  call void @finch_str_sub(ptr %a76, ptr %a75, i64 %t80, i64 %t85, ptr @.str.345, i64 74)
   %t86 = load { ptr, i64, i64 }, ptr %a76
   store { ptr, i64, i64 } %t86, ptr %a87
   %t88 = load { ptr, i64, i64 }, ptr %a70
@@ -11255,15 +12739,17 @@ ok516:
   store { ptr, i64, i64 } %t91, ptr %a92
   %t93 = call i64 @finch_str_find(ptr %a89, ptr %a92)
   %t94 = icmp sge i64 %t93, 0
-  br i1 %t94, label %then517, label %endif519
-then517:
+  br i1 %t94, label %then581, label %endif583
+then581:
   %t95 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t95, ptr %a96
-  call void @finch_str_copy(ptr %a97, ptr %a96)
-  %t98 = load { ptr, i64, i64 }, ptr %a97
-  ret { ptr, i64, i64 } %t98
-endif519:
-  ret { ptr, i64, i64 } { ptr @.str.342, i64 0, i64 0 }
+  call void @finch_str_drop(ptr %a70)
+  call void @finch.drop.arr_str(ptr %a23)
+  ret { ptr, i64, i64 } %t95
+endif583:
+  call void @finch_str_drop(ptr %a87)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch.drop.arr_str(ptr %a23)
+  ret { ptr, i64, i64 } { ptr @.str.351, i64 0, i64 0 }
 }
 
 define internal i8 @finch.lexer.escape(ptr %p0, i8 %p1) {
@@ -11274,92 +12760,98 @@ entry:
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i8 %p1, ptr %a2
   %t3 = load i8, ptr %a2
   %t4 = icmp eq i8 %t3, 110
-  br i1 %t4, label %then520, label %endif522
-then520:
+  br i1 %t4, label %then584, label %endif586
+then584:
   ret i8 10
-endif522:
+endif586:
   %t5 = load i8, ptr %a2
   %t6 = icmp eq i8 %t5, 116
-  br i1 %t6, label %then523, label %endif525
-then523:
+  br i1 %t6, label %then587, label %endif589
+then587:
   ret i8 9
-endif525:
+endif589:
   %t7 = load i8, ptr %a2
   %t8 = icmp eq i8 %t7, 114
-  br i1 %t8, label %then526, label %endif528
-then526:
+  br i1 %t8, label %then590, label %endif592
+then590:
   ret i8 13
-endif528:
+endif592:
   %t9 = load i8, ptr %a2
   %t10 = icmp eq i8 %t9, 48
-  br i1 %t10, label %then529, label %endif531
-then529:
+  br i1 %t10, label %then593, label %endif595
+then593:
   %t11 = trunc i64 0 to i8
   ret i8 %t11
-endif531:
+endif595:
   %t12 = load i8, ptr %a2
   %t13 = icmp eq i8 %t12, 92
-  br label %logic.from532
-logic.from532:
-  br i1 %t13, label %logic.end534, label %logic.rhs533
-logic.rhs533:
+  br label %logic.from596
+logic.from596:
+  br i1 %t13, label %logic.end598, label %logic.rhs597
+logic.rhs597:
   %t14 = load i8, ptr %a2
   %t15 = icmp eq i8 %t14, 34
-  br label %logic.rend535
-logic.rend535:
-  br label %logic.end534
-logic.end534:
-  %t16 = phi i1 [ true, %logic.from532 ], [ %t15, %logic.rend535 ]
-  br label %logic.from536
-logic.from536:
-  br i1 %t16, label %logic.end538, label %logic.rhs537
-logic.rhs537:
+  br label %logic.rend599
+logic.rend599:
+  br label %logic.end598
+logic.end598:
+  %t16 = phi i1 [ true, %logic.from596 ], [ %t15, %logic.rend599 ]
+  br label %logic.from600
+logic.from600:
+  br i1 %t16, label %logic.end602, label %logic.rhs601
+logic.rhs601:
   %t17 = load i8, ptr %a2
   %t18 = icmp eq i8 %t17, 39
-  br label %logic.rend539
-logic.rend539:
-  br label %logic.end538
-logic.end538:
-  %t19 = phi i1 [ true, %logic.from536 ], [ %t18, %logic.rend539 ]
-  br i1 %t19, label %then540, label %endif542
-then540:
+  br label %logic.rend603
+logic.rend603:
+  br label %logic.end602
+logic.end602:
+  %t19 = phi i1 [ true, %logic.from600 ], [ %t18, %logic.rend603 ]
+  br i1 %t19, label %then604, label %endif606
+then604:
   %t20 = load i8, ptr %a2
   ret i8 %t20
-endif542:
+endif606:
   %t21 = load ptr, ptr %a1
   %t22 = load ptr, ptr %a1
   %t23 = icmp eq ptr %t22, null
-  br i1 %t23, label %panic543, label %ok544
-panic543:
-  call void @finch_panic(ptr @.str.343, i64 97, ptr @.str.344)
+  br i1 %t23, label %panic607, label %ok608
+panic607:
+  call void @finch_panic(ptr @.str.352, i64 97, ptr @.str.353)
   unreachable
-ok544:
+ok608:
   %t24 = getelementptr inbounds %S.lexer.Lexer, ptr %t22, i32 0, i32 3
   %t25 = load i64, ptr %t24
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic545, label %ok546
-panic545:
-  call void @finch_panic(ptr @.str.345, i64 97, ptr @.str.346)
+  br i1 %t27, label %panic609, label %ok610
+panic609:
+  call void @finch_panic(ptr @.str.354, i64 97, ptr @.str.355)
   unreachable
-ok546:
+ok610:
   %t28 = getelementptr inbounds %S.lexer.Lexer, ptr %t26, i32 0, i32 4
   %t29 = load i64, ptr %t28
   %t30 = sub i64 %t29, 1
   %t31 = load i8, ptr %a2
   call void @finch_str_from_char(ptr %a32, i8 signext %t31)
   %t33 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.347, i64 16, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.356, i64 16, i64 0 }, ptr %a35
   store { ptr, i64, i64 } %t33, ptr %a36
   call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  call void @finch.lexer.fail(ptr %t21, i64 %t25, i64 %t30, { ptr, i64, i64 } %t37)
-  %t38 = load i8, ptr %a2
-  ret i8 %t38
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a34
+  call void @finch.lexer.fail(ptr %t21, i64 %t25, i64 %t30, { ptr, i64, i64 } %t38)
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load i8, ptr %a2
+  ret i8 %t40
 }
 
 define internal void @finch.copy.S_lexer_Token(ptr %dst, ptr %src) {
@@ -11376,29 +12868,13 @@ entry:
   ret void
 }
 
-define internal void @finch.copy.arr_S_lexer_Token(ptr %dst, ptr %src) {
+define internal void @finch.drop.S_lexer_Lexer(ptr %a) {
 entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond853
-n.cond853:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body854, label %n.end855
-n.body854:
-  %t8 = getelementptr inbounds %S.lexer.Token, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lexer.Token, ptr %t2, i64 %t6
-  call void @finch.copy.S_lexer_Token(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond853
-n.end855:
+
+  %t1 = getelementptr inbounds %S.lexer.Lexer, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lexer.Lexer, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
   ret void
 }
 
@@ -11420,44 +12896,59 @@ entry:
   %a177 = alloca i64, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
-  %a403 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
   %a405 = alloca { ptr, i64, i64 }, align 16
   %a406 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca i8, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
   %a421 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca i8, align 16
-  %a454 = alloca i8, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca i8, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca i8, align 16
+  %a471 = alloca i8, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca i64, align 16
-  %a504 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a534 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca i64, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
   %a539 = alloca { ptr, i64, i64 }, align 16
-  %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca i64, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
   %a553 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
   %a558 = alloca { ptr, i64, i64 }, align 16
   %a559 = alloca { ptr, i64, i64 }, align 16
-  %a563 = alloca %S.lexer.Token, align 16
-  %a564 = alloca %S.lexer.Token, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca i64, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca %S.lexer.Token, align 16
+  %a593 = alloca %S.lexer.Token, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
@@ -11477,217 +12968,217 @@ entry:
   store %S.lexer.Lexer %t16, ptr %a17
   store ptr %a17, ptr %a18
   store { ptr, i64, i64 } zeroinitializer, ptr %a19
-  br label %while.cond547
-while.cond547:
+  br label %while.cond611
+while.cond611:
   %t20 = load ptr, ptr %a18
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic550, label %ok551
-panic550:
-  call void @finch_panic(ptr @.str.348, i64 105, ptr @.str.349)
+  br i1 %t21, label %panic614, label %ok615
+panic614:
+  call void @finch_panic(ptr @.str.357, i64 105, ptr @.str.358)
   unreachable
-ok551:
+ok615:
   %t22 = getelementptr inbounds %S.lexer.Lexer, ptr %t20, i32 0, i32 2
   %t23 = load i64, ptr %t22
   %t24 = load ptr, ptr %a18
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic552, label %ok553
-panic552:
-  call void @finch_panic(ptr @.str.350, i64 105, ptr @.str.351)
+  br i1 %t25, label %panic616, label %ok617
+panic616:
+  call void @finch_panic(ptr @.str.359, i64 105, ptr @.str.360)
   unreachable
-ok553:
+ok617:
   %t26 = getelementptr inbounds %S.lexer.Lexer, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i32 0, i32 1
   %t28 = load i64, ptr %t27
   %t29 = icmp slt i64 %t23, %t28
-  br i1 %t29, label %while.body548, label %while.end549
-while.body548:
+  br i1 %t29, label %while.body612, label %while.end613
+while.body612:
   %t30 = load ptr, ptr %a18
   %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic554, label %ok555
-panic554:
-  call void @finch_panic(ptr @.str.352, i64 106, ptr @.str.353)
+  br i1 %t31, label %panic618, label %ok619
+panic618:
+  call void @finch_panic(ptr @.str.361, i64 106, ptr @.str.362)
   unreachable
-ok555:
+ok619:
   %t32 = getelementptr inbounds %S.lexer.Lexer, ptr %t30, i32 0, i32 0
   %t33 = load ptr, ptr %a18
   %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic556, label %ok557
-panic556:
-  call void @finch_panic(ptr @.str.354, i64 106, ptr @.str.355)
+  br i1 %t34, label %panic620, label %ok621
+panic620:
+  call void @finch_panic(ptr @.str.363, i64 106, ptr @.str.364)
   unreachable
-ok557:
+ok621:
   %t35 = getelementptr inbounds %S.lexer.Lexer, ptr %t33, i32 0, i32 2
   %t36 = load i64, ptr %t35
   %t37 = load { ptr, i64, i64 }, ptr %t32
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range558, label %inrange559
-range558:
-  call void @finch_panic_index(ptr @.str.356, i64 106, i64 %t36, i64 %t38)
+  br i1 %t39, label %range622, label %inrange623
+range622:
+  call void @finch_panic_index(ptr @.str.365, i64 106, i64 %t36, i64 %t38)
   unreachable
-inrange559:
+inrange623:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds i8, ptr %t40, i64 %t36
   %t42 = load i8, ptr %t41
   store i8 %t42, ptr %a43
   %t44 = load i8, ptr %a43
   %t45 = icmp eq i8 %t44, 32
-  br label %logic.from560
-logic.from560:
-  br i1 %t45, label %logic.end562, label %logic.rhs561
-logic.rhs561:
+  br label %logic.from624
+logic.from624:
+  br i1 %t45, label %logic.end626, label %logic.rhs625
+logic.rhs625:
   %t46 = load i8, ptr %a43
   %t47 = icmp eq i8 %t46, 9
-  br label %logic.rend563
-logic.rend563:
-  br label %logic.end562
-logic.end562:
-  %t48 = phi i1 [ true, %logic.from560 ], [ %t47, %logic.rend563 ]
-  br label %logic.from564
-logic.from564:
-  br i1 %t48, label %logic.end566, label %logic.rhs565
-logic.rhs565:
+  br label %logic.rend627
+logic.rend627:
+  br label %logic.end626
+logic.end626:
+  %t48 = phi i1 [ true, %logic.from624 ], [ %t47, %logic.rend627 ]
+  br label %logic.from628
+logic.from628:
+  br i1 %t48, label %logic.end630, label %logic.rhs629
+logic.rhs629:
   %t49 = load i8, ptr %a43
   %t50 = icmp eq i8 %t49, 10
-  br label %logic.rend567
-logic.rend567:
-  br label %logic.end566
-logic.end566:
-  %t51 = phi i1 [ true, %logic.from564 ], [ %t50, %logic.rend567 ]
-  br label %logic.from568
-logic.from568:
-  br i1 %t51, label %logic.end570, label %logic.rhs569
-logic.rhs569:
+  br label %logic.rend631
+logic.rend631:
+  br label %logic.end630
+logic.end630:
+  %t51 = phi i1 [ true, %logic.from628 ], [ %t50, %logic.rend631 ]
+  br label %logic.from632
+logic.from632:
+  br i1 %t51, label %logic.end634, label %logic.rhs633
+logic.rhs633:
   %t52 = load i8, ptr %a43
   %t53 = icmp eq i8 %t52, 13
-  br label %logic.rend571
-logic.rend571:
-  br label %logic.end570
-logic.end570:
-  %t54 = phi i1 [ true, %logic.from568 ], [ %t53, %logic.rend571 ]
-  br i1 %t54, label %then572, label %endif574
-then572:
+  br label %logic.rend635
+logic.rend635:
+  br label %logic.end634
+logic.end634:
+  %t54 = phi i1 [ true, %logic.from632 ], [ %t53, %logic.rend635 ]
+  br i1 %t54, label %then636, label %endif638
+then636:
   %t55 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t55)
-  br label %while.cond547
-endif574:
+  br label %while.cond611
+endif638:
   %t56 = load i8, ptr %a43
   %t57 = icmp eq i8 %t56, 47
-  br label %logic.from575
-logic.from575:
-  br i1 %t57, label %logic.rhs576, label %logic.end577
-logic.rhs576:
+  br label %logic.from639
+logic.from639:
+  br i1 %t57, label %logic.rhs640, label %logic.end641
+logic.rhs640:
   %t58 = load ptr, ptr %a18
   %t59 = call i8 @finch.lexer.peek(ptr %t58, i64 1)
   %t60 = icmp eq i8 %t59, 47
-  br label %logic.rend578
-logic.rend578:
-  br label %logic.end577
-logic.end577:
-  %t61 = phi i1 [ false, %logic.from575 ], [ %t60, %logic.rend578 ]
-  br i1 %t61, label %then579, label %endif581
-then579:
-  br label %while.cond582
-while.cond582:
+  br label %logic.rend642
+logic.rend642:
+  br label %logic.end641
+logic.end641:
+  %t61 = phi i1 [ false, %logic.from639 ], [ %t60, %logic.rend642 ]
+  br i1 %t61, label %then643, label %endif645
+then643:
+  br label %while.cond646
+while.cond646:
   %t62 = load ptr, ptr %a18
   %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic585, label %ok586
-panic585:
-  call void @finch_panic(ptr @.str.357, i64 112, ptr @.str.358)
+  br i1 %t63, label %panic649, label %ok650
+panic649:
+  call void @finch_panic(ptr @.str.366, i64 112, ptr @.str.367)
   unreachable
-ok586:
+ok650:
   %t64 = getelementptr inbounds %S.lexer.Lexer, ptr %t62, i32 0, i32 2
   %t65 = load i64, ptr %t64
   %t66 = load ptr, ptr %a18
   %t67 = icmp eq ptr %t66, null
-  br i1 %t67, label %panic587, label %ok588
-panic587:
-  call void @finch_panic(ptr @.str.359, i64 112, ptr @.str.360)
+  br i1 %t67, label %panic651, label %ok652
+panic651:
+  call void @finch_panic(ptr @.str.368, i64 112, ptr @.str.369)
   unreachable
-ok588:
+ok652:
   %t68 = getelementptr inbounds %S.lexer.Lexer, ptr %t66, i32 0, i32 0
   %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i32 0, i32 1
   %t70 = load i64, ptr %t69
   %t71 = icmp slt i64 %t65, %t70
-  br label %logic.from589
-logic.from589:
-  br i1 %t71, label %logic.rhs590, label %logic.end591
-logic.rhs590:
+  br label %logic.from653
+logic.from653:
+  br i1 %t71, label %logic.rhs654, label %logic.end655
+logic.rhs654:
   %t72 = load ptr, ptr %a18
   %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic592, label %ok593
-panic592:
-  call void @finch_panic(ptr @.str.361, i64 112, ptr @.str.362)
+  br i1 %t73, label %panic656, label %ok657
+panic656:
+  call void @finch_panic(ptr @.str.370, i64 112, ptr @.str.371)
   unreachable
-ok593:
+ok657:
   %t74 = getelementptr inbounds %S.lexer.Lexer, ptr %t72, i32 0, i32 0
   %t75 = load ptr, ptr %a18
   %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic594, label %ok595
-panic594:
-  call void @finch_panic(ptr @.str.363, i64 112, ptr @.str.364)
+  br i1 %t76, label %panic658, label %ok659
+panic658:
+  call void @finch_panic(ptr @.str.372, i64 112, ptr @.str.373)
   unreachable
-ok595:
+ok659:
   %t77 = getelementptr inbounds %S.lexer.Lexer, ptr %t75, i32 0, i32 2
   %t78 = load i64, ptr %t77
   %t79 = load { ptr, i64, i64 }, ptr %t74
   %t80 = extractvalue { ptr, i64, i64 } %t79, 1
   %t81 = icmp uge i64 %t78, %t80
-  br i1 %t81, label %range596, label %inrange597
-range596:
-  call void @finch_panic_index(ptr @.str.365, i64 112, i64 %t78, i64 %t80)
+  br i1 %t81, label %range660, label %inrange661
+range660:
+  call void @finch_panic_index(ptr @.str.374, i64 112, i64 %t78, i64 %t80)
   unreachable
-inrange597:
+inrange661:
   %t82 = extractvalue { ptr, i64, i64 } %t79, 0
   %t83 = getelementptr inbounds i8, ptr %t82, i64 %t78
   %t84 = load i8, ptr %t83
   %t85 = icmp ne i8 %t84, 10
-  br label %logic.rend598
-logic.rend598:
-  br label %logic.end591
-logic.end591:
-  %t86 = phi i1 [ false, %logic.from589 ], [ %t85, %logic.rend598 ]
-  br i1 %t86, label %while.body583, label %while.end584
-while.body583:
+  br label %logic.rend662
+logic.rend662:
+  br label %logic.end655
+logic.end655:
+  %t86 = phi i1 [ false, %logic.from653 ], [ %t85, %logic.rend662 ]
+  br i1 %t86, label %while.body647, label %while.end648
+while.body647:
   %t87 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t87)
-  br label %while.cond582
-while.end584:
-  br label %while.cond547
-endif581:
+  br label %while.cond646
+while.end648:
+  br label %while.cond611
+endif645:
   %t88 = load i8, ptr %a43
   %t89 = icmp eq i8 %t88, 47
-  br label %logic.from599
-logic.from599:
-  br i1 %t89, label %logic.rhs600, label %logic.end601
-logic.rhs600:
+  br label %logic.from663
+logic.from663:
+  br i1 %t89, label %logic.rhs664, label %logic.end665
+logic.rhs664:
   %t90 = load ptr, ptr %a18
   %t91 = call i8 @finch.lexer.peek(ptr %t90, i64 1)
   %t92 = icmp eq i8 %t91, 42
-  br label %logic.rend602
-logic.rend602:
-  br label %logic.end601
-logic.end601:
-  %t93 = phi i1 [ false, %logic.from599 ], [ %t92, %logic.rend602 ]
-  br i1 %t93, label %then603, label %endif605
-then603:
+  br label %logic.rend666
+logic.rend666:
+  br label %logic.end665
+logic.end665:
+  %t93 = phi i1 [ false, %logic.from663 ], [ %t92, %logic.rend666 ]
+  br i1 %t93, label %then667, label %endif669
+then667:
   %t94 = load ptr, ptr %a18
   %t95 = icmp eq ptr %t94, null
-  br i1 %t95, label %panic606, label %ok607
-panic606:
-  call void @finch_panic(ptr @.str.366, i64 118, ptr @.str.367)
+  br i1 %t95, label %panic670, label %ok671
+panic670:
+  call void @finch_panic(ptr @.str.375, i64 118, ptr @.str.376)
   unreachable
-ok607:
+ok671:
   %t96 = getelementptr inbounds %S.lexer.Lexer, ptr %t94, i32 0, i32 3
   %t97 = load i64, ptr %t96
   store i64 %t97, ptr %a98
   %t99 = load ptr, ptr %a18
   %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic608, label %ok609
-panic608:
-  call void @finch_panic(ptr @.str.368, i64 119, ptr @.str.369)
+  br i1 %t100, label %panic672, label %ok673
+panic672:
+  call void @finch_panic(ptr @.str.377, i64 119, ptr @.str.378)
   unreachable
-ok609:
+ok673:
   %t101 = getelementptr inbounds %S.lexer.Lexer, ptr %t99, i32 0, i32 4
   %t102 = load i64, ptr %t101
   store i64 %t102, ptr %a103
@@ -11695,1061 +13186,1109 @@ ok609:
   call void @finch.lexer.advance(ptr %t104)
   %t105 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t105)
-  br label %while.cond610
-while.cond610:
+  br label %while.cond674
+while.cond674:
   %t106 = load ptr, ptr %a18
   %t107 = icmp eq ptr %t106, null
-  br i1 %t107, label %panic613, label %ok614
-panic613:
-  call void @finch_panic(ptr @.str.370, i64 122, ptr @.str.371)
+  br i1 %t107, label %panic677, label %ok678
+panic677:
+  call void @finch_panic(ptr @.str.379, i64 122, ptr @.str.380)
   unreachable
-ok614:
+ok678:
   %t108 = getelementptr inbounds %S.lexer.Lexer, ptr %t106, i32 0, i32 2
   %t109 = load i64, ptr %t108
   %t110 = load ptr, ptr %a18
   %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic615, label %ok616
-panic615:
-  call void @finch_panic(ptr @.str.372, i64 122, ptr @.str.373)
+  br i1 %t111, label %panic679, label %ok680
+panic679:
+  call void @finch_panic(ptr @.str.381, i64 122, ptr @.str.382)
   unreachable
-ok616:
+ok680:
   %t112 = getelementptr inbounds %S.lexer.Lexer, ptr %t110, i32 0, i32 0
   %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
   %t114 = load i64, ptr %t113
   %t115 = icmp slt i64 %t109, %t114
-  br label %logic.from617
-logic.from617:
-  br i1 %t115, label %logic.rhs618, label %logic.end619
-logic.rhs618:
+  br label %logic.from681
+logic.from681:
+  br i1 %t115, label %logic.rhs682, label %logic.end683
+logic.rhs682:
   %t116 = load ptr, ptr %a18
   %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic620, label %ok621
-panic620:
-  call void @finch_panic(ptr @.str.374, i64 122, ptr @.str.375)
+  br i1 %t117, label %panic684, label %ok685
+panic684:
+  call void @finch_panic(ptr @.str.383, i64 122, ptr @.str.384)
   unreachable
-ok621:
+ok685:
   %t118 = getelementptr inbounds %S.lexer.Lexer, ptr %t116, i32 0, i32 0
   %t119 = load ptr, ptr %a18
   %t120 = icmp eq ptr %t119, null
-  br i1 %t120, label %panic622, label %ok623
-panic622:
-  call void @finch_panic(ptr @.str.376, i64 122, ptr @.str.377)
+  br i1 %t120, label %panic686, label %ok687
+panic686:
+  call void @finch_panic(ptr @.str.385, i64 122, ptr @.str.386)
   unreachable
-ok623:
+ok687:
   %t121 = getelementptr inbounds %S.lexer.Lexer, ptr %t119, i32 0, i32 2
   %t122 = load i64, ptr %t121
   %t123 = load { ptr, i64, i64 }, ptr %t118
   %t124 = extractvalue { ptr, i64, i64 } %t123, 1
   %t125 = icmp uge i64 %t122, %t124
-  br i1 %t125, label %range624, label %inrange625
-range624:
-  call void @finch_panic_index(ptr @.str.378, i64 122, i64 %t122, i64 %t124)
+  br i1 %t125, label %range688, label %inrange689
+range688:
+  call void @finch_panic_index(ptr @.str.387, i64 122, i64 %t122, i64 %t124)
   unreachable
-inrange625:
+inrange689:
   %t126 = extractvalue { ptr, i64, i64 } %t123, 0
   %t127 = getelementptr inbounds i8, ptr %t126, i64 %t122
   %t128 = load i8, ptr %t127
   %t129 = icmp eq i8 %t128, 42
-  br label %logic.from626
-logic.from626:
-  br i1 %t129, label %logic.rhs627, label %logic.end628
-logic.rhs627:
+  br label %logic.from690
+logic.from690:
+  br i1 %t129, label %logic.rhs691, label %logic.end692
+logic.rhs691:
   %t130 = load ptr, ptr %a18
   %t131 = call i8 @finch.lexer.peek(ptr %t130, i64 1)
   %t132 = icmp eq i8 %t131, 47
-  br label %logic.rend629
-logic.rend629:
-  br label %logic.end628
-logic.end628:
-  %t133 = phi i1 [ false, %logic.from626 ], [ %t132, %logic.rend629 ]
+  br label %logic.rend693
+logic.rend693:
+  br label %logic.end692
+logic.end692:
+  %t133 = phi i1 [ false, %logic.from690 ], [ %t132, %logic.rend693 ]
   %t134 = xor i1 %t133, true
-  br label %logic.rend630
-logic.rend630:
-  br label %logic.end619
-logic.end619:
-  %t135 = phi i1 [ false, %logic.from617 ], [ %t134, %logic.rend630 ]
-  br i1 %t135, label %while.body611, label %while.end612
-while.body611:
+  br label %logic.rend694
+logic.rend694:
+  br label %logic.end683
+logic.end683:
+  %t135 = phi i1 [ false, %logic.from681 ], [ %t134, %logic.rend694 ]
+  br i1 %t135, label %while.body675, label %while.end676
+while.body675:
   %t136 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t136)
-  br label %while.cond610
-while.end612:
+  br label %while.cond674
+while.end676:
   %t137 = load ptr, ptr %a18
   %t138 = icmp eq ptr %t137, null
-  br i1 %t138, label %panic631, label %ok632
-panic631:
-  call void @finch_panic(ptr @.str.379, i64 125, ptr @.str.380)
+  br i1 %t138, label %panic695, label %ok696
+panic695:
+  call void @finch_panic(ptr @.str.388, i64 125, ptr @.str.389)
   unreachable
-ok632:
+ok696:
   %t139 = getelementptr inbounds %S.lexer.Lexer, ptr %t137, i32 0, i32 2
   %t140 = load i64, ptr %t139
   %t141 = load ptr, ptr %a18
   %t142 = icmp eq ptr %t141, null
-  br i1 %t142, label %panic633, label %ok634
-panic633:
-  call void @finch_panic(ptr @.str.381, i64 125, ptr @.str.382)
+  br i1 %t142, label %panic697, label %ok698
+panic697:
+  call void @finch_panic(ptr @.str.390, i64 125, ptr @.str.391)
   unreachable
-ok634:
+ok698:
   %t143 = getelementptr inbounds %S.lexer.Lexer, ptr %t141, i32 0, i32 0
   %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t143, i32 0, i32 1
   %t145 = load i64, ptr %t144
   %t146 = icmp sge i64 %t140, %t145
-  br i1 %t146, label %then635, label %endif637
-then635:
+  br i1 %t146, label %then699, label %endif701
+then699:
   %t147 = load ptr, ptr %a18
   %t148 = load i64, ptr %a98
   %t149 = load i64, ptr %a103
-  call void @finch.lexer.fail(ptr %t147, i64 %t148, i64 %t149, { ptr, i64, i64 } { ptr @.str.383, i64 36, i64 0 })
-  br label %endif637
-endif637:
+  call void @finch.lexer.fail(ptr %t147, i64 %t148, i64 %t149, { ptr, i64, i64 } { ptr @.str.392, i64 36, i64 0 })
+  br label %endif701
+endif701:
   %t150 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t150)
   %t151 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t151)
-  br label %while.cond547
-endif605:
-  %t152 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.384, i64 0, i64 0 }, 0
-  %t153 = insertvalue %S.lexer.Token %t152, { ptr, i64, i64 } { ptr @.str.385, i64 0, i64 0 }, 1
+  br label %while.cond611
+endif669:
+  %t152 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.393, i64 0, i64 0 }, 0
+  %t153 = insertvalue %S.lexer.Token %t152, { ptr, i64, i64 } { ptr @.str.394, i64 0, i64 0 }, 1
   %t154 = load ptr, ptr %a18
   %t155 = icmp eq ptr %t154, null
-  br i1 %t155, label %panic638, label %ok639
-panic638:
-  call void @finch_panic(ptr @.str.386, i64 133, ptr @.str.387)
+  br i1 %t155, label %panic702, label %ok703
+panic702:
+  call void @finch_panic(ptr @.str.395, i64 133, ptr @.str.396)
   unreachable
-ok639:
+ok703:
   %t156 = getelementptr inbounds %S.lexer.Lexer, ptr %t154, i32 0, i32 3
   %t157 = load i64, ptr %t156
   %t158 = insertvalue %S.lexer.Token %t153, i64 %t157, 2
   %t159 = load ptr, ptr %a18
   %t160 = icmp eq ptr %t159, null
-  br i1 %t160, label %panic640, label %ok641
-panic640:
-  call void @finch_panic(ptr @.str.388, i64 133, ptr @.str.389)
+  br i1 %t160, label %panic704, label %ok705
+panic704:
+  call void @finch_panic(ptr @.str.397, i64 133, ptr @.str.398)
   unreachable
-ok641:
+ok705:
   %t161 = getelementptr inbounds %S.lexer.Lexer, ptr %t159, i32 0, i32 4
   %t162 = load i64, ptr %t161
   %t163 = insertvalue %S.lexer.Token %t158, i64 %t162, 3
   %t164 = load ptr, ptr %a18
   %t165 = icmp eq ptr %t164, null
-  br i1 %t165, label %panic642, label %ok643
-panic642:
-  call void @finch_panic(ptr @.str.390, i64 133, ptr @.str.391)
+  br i1 %t165, label %panic706, label %ok707
+panic706:
+  call void @finch_panic(ptr @.str.399, i64 133, ptr @.str.400)
   unreachable
-ok643:
+ok707:
   %t166 = getelementptr inbounds %S.lexer.Lexer, ptr %t164, i32 0, i32 5
   %t167 = load i1, ptr %t166
   %t168 = insertvalue %S.lexer.Token %t163, i1 %t167, 4
   store %S.lexer.Token %t168, ptr %a169
   %t170 = load ptr, ptr %a18
   %t171 = icmp eq ptr %t170, null
-  br i1 %t171, label %panic644, label %ok645
-panic644:
-  call void @finch_panic(ptr @.str.392, i64 134, ptr @.str.393)
+  br i1 %t171, label %panic708, label %ok709
+panic708:
+  call void @finch_panic(ptr @.str.401, i64 134, ptr @.str.402)
   unreachable
-ok645:
+ok709:
   %t172 = getelementptr inbounds %S.lexer.Lexer, ptr %t170, i32 0, i32 5
   store i1 false, ptr %t172
   %t173 = load ptr, ptr %a18
   %t174 = icmp eq ptr %t173, null
-  br i1 %t174, label %panic646, label %ok647
-panic646:
-  call void @finch_panic(ptr @.str.394, i64 135, ptr @.str.395)
+  br i1 %t174, label %panic710, label %ok711
+panic710:
+  call void @finch_panic(ptr @.str.403, i64 135, ptr @.str.404)
   unreachable
-ok647:
+ok711:
   %t175 = getelementptr inbounds %S.lexer.Lexer, ptr %t173, i32 0, i32 2
   %t176 = load i64, ptr %t175
   store i64 %t176, ptr %a177
   %t178 = load i8, ptr %a43
   %t179 = call i1 @finch.lexer.isAlpha(i8 %t178)
-  br i1 %t179, label %then648, label %else649
-then648:
-  br label %while.cond651
-while.cond651:
+  br i1 %t179, label %then712, label %else713
+then712:
+  br label %while.cond715
+while.cond715:
   %t180 = load ptr, ptr %a18
   %t181 = icmp eq ptr %t180, null
-  br i1 %t181, label %panic654, label %ok655
-panic654:
-  call void @finch_panic(ptr @.str.396, i64 137, ptr @.str.397)
+  br i1 %t181, label %panic718, label %ok719
+panic718:
+  call void @finch_panic(ptr @.str.405, i64 137, ptr @.str.406)
   unreachable
-ok655:
+ok719:
   %t182 = getelementptr inbounds %S.lexer.Lexer, ptr %t180, i32 0, i32 2
   %t183 = load i64, ptr %t182
   %t184 = load ptr, ptr %a18
   %t185 = icmp eq ptr %t184, null
-  br i1 %t185, label %panic656, label %ok657
-panic656:
-  call void @finch_panic(ptr @.str.398, i64 137, ptr @.str.399)
+  br i1 %t185, label %panic720, label %ok721
+panic720:
+  call void @finch_panic(ptr @.str.407, i64 137, ptr @.str.408)
   unreachable
-ok657:
+ok721:
   %t186 = getelementptr inbounds %S.lexer.Lexer, ptr %t184, i32 0, i32 0
   %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t186, i32 0, i32 1
   %t188 = load i64, ptr %t187
   %t189 = icmp slt i64 %t183, %t188
-  br label %logic.from658
-logic.from658:
-  br i1 %t189, label %logic.rhs659, label %logic.end660
-logic.rhs659:
+  br label %logic.from722
+logic.from722:
+  br i1 %t189, label %logic.rhs723, label %logic.end724
+logic.rhs723:
   %t190 = load ptr, ptr %a18
   %t191 = icmp eq ptr %t190, null
-  br i1 %t191, label %panic661, label %ok662
-panic661:
-  call void @finch_panic(ptr @.str.400, i64 137, ptr @.str.401)
+  br i1 %t191, label %panic725, label %ok726
+panic725:
+  call void @finch_panic(ptr @.str.409, i64 137, ptr @.str.410)
   unreachable
-ok662:
+ok726:
   %t192 = getelementptr inbounds %S.lexer.Lexer, ptr %t190, i32 0, i32 0
   %t193 = load ptr, ptr %a18
   %t194 = icmp eq ptr %t193, null
-  br i1 %t194, label %panic663, label %ok664
-panic663:
-  call void @finch_panic(ptr @.str.402, i64 137, ptr @.str.403)
+  br i1 %t194, label %panic727, label %ok728
+panic727:
+  call void @finch_panic(ptr @.str.411, i64 137, ptr @.str.412)
   unreachable
-ok664:
+ok728:
   %t195 = getelementptr inbounds %S.lexer.Lexer, ptr %t193, i32 0, i32 2
   %t196 = load i64, ptr %t195
   %t197 = load { ptr, i64, i64 }, ptr %t192
   %t198 = extractvalue { ptr, i64, i64 } %t197, 1
   %t199 = icmp uge i64 %t196, %t198
-  br i1 %t199, label %range665, label %inrange666
-range665:
-  call void @finch_panic_index(ptr @.str.404, i64 137, i64 %t196, i64 %t198)
+  br i1 %t199, label %range729, label %inrange730
+range729:
+  call void @finch_panic_index(ptr @.str.413, i64 137, i64 %t196, i64 %t198)
   unreachable
-inrange666:
+inrange730:
   %t200 = extractvalue { ptr, i64, i64 } %t197, 0
   %t201 = getelementptr inbounds i8, ptr %t200, i64 %t196
   %t202 = load i8, ptr %t201
   %t203 = call i1 @finch.lexer.isAlpha(i8 %t202)
-  br label %logic.from667
-logic.from667:
-  br i1 %t203, label %logic.end669, label %logic.rhs668
-logic.rhs668:
+  br label %logic.from731
+logic.from731:
+  br i1 %t203, label %logic.end733, label %logic.rhs732
+logic.rhs732:
   %t204 = load ptr, ptr %a18
   %t205 = icmp eq ptr %t204, null
-  br i1 %t205, label %panic670, label %ok671
-panic670:
-  call void @finch_panic(ptr @.str.405, i64 137, ptr @.str.406)
+  br i1 %t205, label %panic734, label %ok735
+panic734:
+  call void @finch_panic(ptr @.str.414, i64 137, ptr @.str.415)
   unreachable
-ok671:
+ok735:
   %t206 = getelementptr inbounds %S.lexer.Lexer, ptr %t204, i32 0, i32 0
   %t207 = load ptr, ptr %a18
   %t208 = icmp eq ptr %t207, null
-  br i1 %t208, label %panic672, label %ok673
-panic672:
-  call void @finch_panic(ptr @.str.407, i64 137, ptr @.str.408)
+  br i1 %t208, label %panic736, label %ok737
+panic736:
+  call void @finch_panic(ptr @.str.416, i64 137, ptr @.str.417)
   unreachable
-ok673:
+ok737:
   %t209 = getelementptr inbounds %S.lexer.Lexer, ptr %t207, i32 0, i32 2
   %t210 = load i64, ptr %t209
   %t211 = load { ptr, i64, i64 }, ptr %t206
   %t212 = extractvalue { ptr, i64, i64 } %t211, 1
   %t213 = icmp uge i64 %t210, %t212
-  br i1 %t213, label %range674, label %inrange675
-range674:
-  call void @finch_panic_index(ptr @.str.409, i64 137, i64 %t210, i64 %t212)
+  br i1 %t213, label %range738, label %inrange739
+range738:
+  call void @finch_panic_index(ptr @.str.418, i64 137, i64 %t210, i64 %t212)
   unreachable
-inrange675:
+inrange739:
   %t214 = extractvalue { ptr, i64, i64 } %t211, 0
   %t215 = getelementptr inbounds i8, ptr %t214, i64 %t210
   %t216 = load i8, ptr %t215
   %t217 = call i1 @finch.lexer.isDigit(i8 %t216)
-  br label %logic.rend676
-logic.rend676:
-  br label %logic.end669
-logic.end669:
-  %t218 = phi i1 [ true, %logic.from667 ], [ %t217, %logic.rend676 ]
-  br label %logic.rend677
-logic.rend677:
-  br label %logic.end660
-logic.end660:
-  %t219 = phi i1 [ false, %logic.from658 ], [ %t218, %logic.rend677 ]
-  br i1 %t219, label %while.body652, label %while.end653
-while.body652:
+  br label %logic.rend740
+logic.rend740:
+  br label %logic.end733
+logic.end733:
+  %t218 = phi i1 [ true, %logic.from731 ], [ %t217, %logic.rend740 ]
+  br label %logic.rend741
+logic.rend741:
+  br label %logic.end724
+logic.end724:
+  %t219 = phi i1 [ false, %logic.from722 ], [ %t218, %logic.rend741 ]
+  br i1 %t219, label %while.body716, label %while.end717
+while.body716:
   %t220 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t220)
-  br label %while.cond651
-while.end653:
+  br label %while.cond715
+while.end717:
   %t221 = load ptr, ptr %a18
   %t222 = icmp eq ptr %t221, null
-  br i1 %t222, label %panic678, label %ok679
-panic678:
-  call void @finch_panic(ptr @.str.410, i64 140, ptr @.str.411)
+  br i1 %t222, label %panic742, label %ok743
+panic742:
+  call void @finch_panic(ptr @.str.419, i64 140, ptr @.str.420)
   unreachable
-ok679:
+ok743:
   %t223 = getelementptr inbounds %S.lexer.Lexer, ptr %t221, i32 0, i32 0
   %t224 = load { ptr, i64, i64 }, ptr %t223
   store { ptr, i64, i64 } %t224, ptr %a225
   %t227 = load i64, ptr %a177
   %t228 = load ptr, ptr %a18
   %t229 = icmp eq ptr %t228, null
-  br i1 %t229, label %panic680, label %ok681
-panic680:
-  call void @finch_panic(ptr @.str.413, i64 140, ptr @.str.414)
+  br i1 %t229, label %panic744, label %ok745
+panic744:
+  call void @finch_panic(ptr @.str.422, i64 140, ptr @.str.423)
   unreachable
-ok681:
+ok745:
   %t230 = getelementptr inbounds %S.lexer.Lexer, ptr %t228, i32 0, i32 2
   %t231 = load i64, ptr %t230
-  call void @finch_str_sub(ptr %a226, ptr %a225, i64 %t227, i64 %t231, ptr @.str.412, i64 140)
+  call void @finch_str_sub(ptr %a226, ptr %a225, i64 %t227, i64 %t231, ptr @.str.421, i64 140)
   %t232 = load { ptr, i64, i64 }, ptr %a226
   %t233 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t234 = load { ptr, i64, i64 }, ptr %t233
   store { ptr, i64, i64 } %t232, ptr %t233
-  %t234 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.415, i64 5, i64 0 }, ptr %t234
-  %t235 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  %t236 = load { ptr, i64, i64 }, ptr %t235
-  %t237 = call i1 @finch.lexer.isKeyword({ ptr, i64, i64 } %t236)
-  br i1 %t237, label %then682, label %endif684
-then682:
-  %t238 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  %t239 = load { ptr, i64, i64 }, ptr %t238
-  %t240 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } %t239, ptr %a241
-  call void @finch_str_copy(ptr %a242, ptr %a241)
-  %t243 = load { ptr, i64, i64 }, ptr %a242
-  store { ptr, i64, i64 } %t243, ptr %t240
-  br label %endif684
-endif684:
-  br label %endif650
-else649:
-  %t244 = load i8, ptr %a43
-  %t245 = call i1 @finch.lexer.isDigit(i8 %t244)
-  br i1 %t245, label %then685, label %else686
-then685:
-  %t246 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.416, i64 3, i64 0 }, ptr %t246
-  %t247 = load i8, ptr %a43
-  %t248 = icmp eq i8 %t247, 48
-  br label %logic.from688
-logic.from688:
-  br i1 %t248, label %logic.rhs689, label %logic.end690
-logic.rhs689:
-  %t249 = load ptr, ptr %a18
-  %t250 = call i8 @finch.lexer.peek(ptr %t249, i64 1)
-  %t251 = icmp eq i8 %t250, 120
-  br label %logic.from691
-logic.from691:
-  br i1 %t251, label %logic.end693, label %logic.rhs692
-logic.rhs692:
-  %t252 = load ptr, ptr %a18
-  %t253 = call i8 @finch.lexer.peek(ptr %t252, i64 1)
-  %t254 = icmp eq i8 %t253, 88
-  br label %logic.rend694
-logic.rend694:
-  br label %logic.end693
-logic.end693:
-  %t255 = phi i1 [ true, %logic.from691 ], [ %t254, %logic.rend694 ]
-  br label %logic.rend695
-logic.rend695:
-  br label %logic.end690
-logic.end690:
-  %t256 = phi i1 [ false, %logic.from688 ], [ %t255, %logic.rend695 ]
-  br i1 %t256, label %then696, label %else697
-then696:
+  store { ptr, i64, i64 } %t234, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t237 = load { ptr, i64, i64 }, ptr %t236
+  store { ptr, i64, i64 } { ptr @.str.424, i64 5, i64 0 }, ptr %t236
+  store { ptr, i64, i64 } %t237, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = call i1 @finch.lexer.isKeyword({ ptr, i64, i64 } %t240)
+  br i1 %t241, label %then746, label %endif748
+then746:
+  %t242 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t243 = load { ptr, i64, i64 }, ptr %t242
+  %t244 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  store { ptr, i64, i64 } %t243, ptr %a245
+  call void @finch_str_copy(ptr %a246, ptr %a245)
+  %t247 = load { ptr, i64, i64 }, ptr %a246
+  %t248 = load { ptr, i64, i64 }, ptr %t244
+  store { ptr, i64, i64 } %t247, ptr %t244
+  store { ptr, i64, i64 } %t248, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  br label %endif748
+endif748:
+  br label %endif714
+else713:
+  %t250 = load i8, ptr %a43
+  %t251 = call i1 @finch.lexer.isDigit(i8 %t250)
+  br i1 %t251, label %then749, label %else750
+then749:
+  %t252 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t253 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } { ptr @.str.425, i64 3, i64 0 }, ptr %t252
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_drop(ptr %a254)
+  %t255 = load i8, ptr %a43
+  %t256 = icmp eq i8 %t255, 48
+  br label %logic.from752
+logic.from752:
+  br i1 %t256, label %logic.rhs753, label %logic.end754
+logic.rhs753:
   %t257 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t257)
-  %t258 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t258)
-  br label %while.cond699
-while.cond699:
-  %t259 = load ptr, ptr %a18
-  %t260 = icmp eq ptr %t259, null
-  br i1 %t260, label %panic702, label %ok703
-panic702:
-  call void @finch_panic(ptr @.str.417, i64 150, ptr @.str.418)
-  unreachable
-ok703:
-  %t261 = getelementptr inbounds %S.lexer.Lexer, ptr %t259, i32 0, i32 2
-  %t262 = load i64, ptr %t261
-  %t263 = load ptr, ptr %a18
-  %t264 = icmp eq ptr %t263, null
-  br i1 %t264, label %panic704, label %ok705
-panic704:
-  call void @finch_panic(ptr @.str.419, i64 150, ptr @.str.420)
-  unreachable
-ok705:
-  %t265 = getelementptr inbounds %S.lexer.Lexer, ptr %t263, i32 0, i32 0
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i32 0, i32 1
-  %t267 = load i64, ptr %t266
-  %t268 = icmp slt i64 %t262, %t267
-  br label %logic.from706
-logic.from706:
-  br i1 %t268, label %logic.rhs707, label %logic.end708
-logic.rhs707:
-  %t269 = load ptr, ptr %a18
-  %t270 = icmp eq ptr %t269, null
-  br i1 %t270, label %panic709, label %ok710
-panic709:
-  call void @finch_panic(ptr @.str.421, i64 150, ptr @.str.422)
-  unreachable
-ok710:
-  %t271 = getelementptr inbounds %S.lexer.Lexer, ptr %t269, i32 0, i32 0
-  %t272 = load ptr, ptr %a18
-  %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic711, label %ok712
-panic711:
-  call void @finch_panic(ptr @.str.423, i64 150, ptr @.str.424)
-  unreachable
-ok712:
-  %t274 = getelementptr inbounds %S.lexer.Lexer, ptr %t272, i32 0, i32 2
-  %t275 = load i64, ptr %t274
-  %t276 = load { ptr, i64, i64 }, ptr %t271
-  %t277 = extractvalue { ptr, i64, i64 } %t276, 1
-  %t278 = icmp uge i64 %t275, %t277
-  br i1 %t278, label %range713, label %inrange714
-range713:
-  call void @finch_panic_index(ptr @.str.425, i64 150, i64 %t275, i64 %t277)
-  unreachable
-inrange714:
-  %t279 = extractvalue { ptr, i64, i64 } %t276, 0
-  %t280 = getelementptr inbounds i8, ptr %t279, i64 %t275
-  %t281 = load i8, ptr %t280
-  %t282 = call i1 @finch.lexer.isHex(i8 %t281)
-  br label %logic.from715
-logic.from715:
-  br i1 %t282, label %logic.end717, label %logic.rhs716
-logic.rhs716:
-  %t283 = load ptr, ptr %a18
-  %t284 = icmp eq ptr %t283, null
-  br i1 %t284, label %panic718, label %ok719
-panic718:
+  %t258 = call i8 @finch.lexer.peek(ptr %t257, i64 1)
+  %t259 = icmp eq i8 %t258, 120
+  br label %logic.from755
+logic.from755:
+  br i1 %t259, label %logic.end757, label %logic.rhs756
+logic.rhs756:
+  %t260 = load ptr, ptr %a18
+  %t261 = call i8 @finch.lexer.peek(ptr %t260, i64 1)
+  %t262 = icmp eq i8 %t261, 88
+  br label %logic.rend758
+logic.rend758:
+  br label %logic.end757
+logic.end757:
+  %t263 = phi i1 [ true, %logic.from755 ], [ %t262, %logic.rend758 ]
+  br label %logic.rend759
+logic.rend759:
+  br label %logic.end754
+logic.end754:
+  %t264 = phi i1 [ false, %logic.from752 ], [ %t263, %logic.rend759 ]
+  br i1 %t264, label %then760, label %else761
+then760:
+  %t265 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t265)
+  %t266 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t266)
+  br label %while.cond763
+while.cond763:
+  %t267 = load ptr, ptr %a18
+  %t268 = icmp eq ptr %t267, null
+  br i1 %t268, label %panic766, label %ok767
+panic766:
   call void @finch_panic(ptr @.str.426, i64 150, ptr @.str.427)
   unreachable
-ok719:
-  %t285 = getelementptr inbounds %S.lexer.Lexer, ptr %t283, i32 0, i32 0
-  %t286 = load ptr, ptr %a18
-  %t287 = icmp eq ptr %t286, null
-  br i1 %t287, label %panic720, label %ok721
-panic720:
+ok767:
+  %t269 = getelementptr inbounds %S.lexer.Lexer, ptr %t267, i32 0, i32 2
+  %t270 = load i64, ptr %t269
+  %t271 = load ptr, ptr %a18
+  %t272 = icmp eq ptr %t271, null
+  br i1 %t272, label %panic768, label %ok769
+panic768:
   call void @finch_panic(ptr @.str.428, i64 150, ptr @.str.429)
   unreachable
-ok721:
-  %t288 = getelementptr inbounds %S.lexer.Lexer, ptr %t286, i32 0, i32 2
-  %t289 = load i64, ptr %t288
-  %t290 = load { ptr, i64, i64 }, ptr %t285
-  %t291 = extractvalue { ptr, i64, i64 } %t290, 1
-  %t292 = icmp uge i64 %t289, %t291
-  br i1 %t292, label %range722, label %inrange723
-range722:
-  call void @finch_panic_index(ptr @.str.430, i64 150, i64 %t289, i64 %t291)
+ok769:
+  %t273 = getelementptr inbounds %S.lexer.Lexer, ptr %t271, i32 0, i32 0
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i32 0, i32 1
+  %t275 = load i64, ptr %t274
+  %t276 = icmp slt i64 %t270, %t275
+  br label %logic.from770
+logic.from770:
+  br i1 %t276, label %logic.rhs771, label %logic.end772
+logic.rhs771:
+  %t277 = load ptr, ptr %a18
+  %t278 = icmp eq ptr %t277, null
+  br i1 %t278, label %panic773, label %ok774
+panic773:
+  call void @finch_panic(ptr @.str.430, i64 150, ptr @.str.431)
   unreachable
-inrange723:
-  %t293 = extractvalue { ptr, i64, i64 } %t290, 0
-  %t294 = getelementptr inbounds i8, ptr %t293, i64 %t289
-  %t295 = load i8, ptr %t294
-  %t296 = icmp eq i8 %t295, 95
-  br label %logic.rend724
-logic.rend724:
-  br label %logic.end717
-logic.end717:
-  %t297 = phi i1 [ true, %logic.from715 ], [ %t296, %logic.rend724 ]
-  br label %logic.rend725
-logic.rend725:
-  br label %logic.end708
-logic.end708:
-  %t298 = phi i1 [ false, %logic.from706 ], [ %t297, %logic.rend725 ]
-  br i1 %t298, label %while.body700, label %while.end701
-while.body700:
-  %t299 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t299)
-  br label %while.cond699
-while.end701:
-  br label %endif698
-else697:
-  br label %while.cond726
-while.cond726:
-  %t300 = load ptr, ptr %a18
-  %t301 = icmp eq ptr %t300, null
-  br i1 %t301, label %panic729, label %ok730
-panic729:
-  call void @finch_panic(ptr @.str.431, i64 154, ptr @.str.432)
+ok774:
+  %t279 = getelementptr inbounds %S.lexer.Lexer, ptr %t277, i32 0, i32 0
+  %t280 = load ptr, ptr %a18
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic775, label %ok776
+panic775:
+  call void @finch_panic(ptr @.str.432, i64 150, ptr @.str.433)
   unreachable
-ok730:
-  %t302 = getelementptr inbounds %S.lexer.Lexer, ptr %t300, i32 0, i32 2
-  %t303 = load i64, ptr %t302
-  %t304 = load ptr, ptr %a18
-  %t305 = icmp eq ptr %t304, null
-  br i1 %t305, label %panic731, label %ok732
-panic731:
-  call void @finch_panic(ptr @.str.433, i64 154, ptr @.str.434)
+ok776:
+  %t282 = getelementptr inbounds %S.lexer.Lexer, ptr %t280, i32 0, i32 2
+  %t283 = load i64, ptr %t282
+  %t284 = load { ptr, i64, i64 }, ptr %t279
+  %t285 = extractvalue { ptr, i64, i64 } %t284, 1
+  %t286 = icmp uge i64 %t283, %t285
+  br i1 %t286, label %range777, label %inrange778
+range777:
+  call void @finch_panic_index(ptr @.str.434, i64 150, i64 %t283, i64 %t285)
   unreachable
-ok732:
-  %t306 = getelementptr inbounds %S.lexer.Lexer, ptr %t304, i32 0, i32 0
-  %t307 = getelementptr inbounds { ptr, i64, i64 }, ptr %t306, i32 0, i32 1
-  %t308 = load i64, ptr %t307
-  %t309 = icmp slt i64 %t303, %t308
-  br label %logic.from733
-logic.from733:
-  br i1 %t309, label %logic.rhs734, label %logic.end735
-logic.rhs734:
-  %t310 = load ptr, ptr %a18
-  %t311 = icmp eq ptr %t310, null
-  br i1 %t311, label %panic736, label %ok737
-panic736:
-  call void @finch_panic(ptr @.str.435, i64 154, ptr @.str.436)
+inrange778:
+  %t287 = extractvalue { ptr, i64, i64 } %t284, 0
+  %t288 = getelementptr inbounds i8, ptr %t287, i64 %t283
+  %t289 = load i8, ptr %t288
+  %t290 = call i1 @finch.lexer.isHex(i8 %t289)
+  br label %logic.from779
+logic.from779:
+  br i1 %t290, label %logic.end781, label %logic.rhs780
+logic.rhs780:
+  %t291 = load ptr, ptr %a18
+  %t292 = icmp eq ptr %t291, null
+  br i1 %t292, label %panic782, label %ok783
+panic782:
+  call void @finch_panic(ptr @.str.435, i64 150, ptr @.str.436)
   unreachable
-ok737:
-  %t312 = getelementptr inbounds %S.lexer.Lexer, ptr %t310, i32 0, i32 0
-  %t313 = load ptr, ptr %a18
-  %t314 = icmp eq ptr %t313, null
-  br i1 %t314, label %panic738, label %ok739
-panic738:
-  call void @finch_panic(ptr @.str.437, i64 154, ptr @.str.438)
+ok783:
+  %t293 = getelementptr inbounds %S.lexer.Lexer, ptr %t291, i32 0, i32 0
+  %t294 = load ptr, ptr %a18
+  %t295 = icmp eq ptr %t294, null
+  br i1 %t295, label %panic784, label %ok785
+panic784:
+  call void @finch_panic(ptr @.str.437, i64 150, ptr @.str.438)
   unreachable
-ok739:
-  %t315 = getelementptr inbounds %S.lexer.Lexer, ptr %t313, i32 0, i32 2
-  %t316 = load i64, ptr %t315
-  %t317 = load { ptr, i64, i64 }, ptr %t312
-  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
-  %t319 = icmp uge i64 %t316, %t318
-  br i1 %t319, label %range740, label %inrange741
-range740:
-  call void @finch_panic_index(ptr @.str.439, i64 154, i64 %t316, i64 %t318)
+ok785:
+  %t296 = getelementptr inbounds %S.lexer.Lexer, ptr %t294, i32 0, i32 2
+  %t297 = load i64, ptr %t296
+  %t298 = load { ptr, i64, i64 }, ptr %t293
+  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
+  %t300 = icmp uge i64 %t297, %t299
+  br i1 %t300, label %range786, label %inrange787
+range786:
+  call void @finch_panic_index(ptr @.str.439, i64 150, i64 %t297, i64 %t299)
   unreachable
-inrange741:
-  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
-  %t321 = getelementptr inbounds i8, ptr %t320, i64 %t316
-  %t322 = load i8, ptr %t321
-  %t323 = call i1 @finch.lexer.isDigit(i8 %t322)
-  br label %logic.from742
-logic.from742:
-  br i1 %t323, label %logic.end744, label %logic.rhs743
-logic.rhs743:
-  %t324 = load ptr, ptr %a18
-  %t325 = icmp eq ptr %t324, null
-  br i1 %t325, label %panic745, label %ok746
-panic745:
+inrange787:
+  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
+  %t302 = getelementptr inbounds i8, ptr %t301, i64 %t297
+  %t303 = load i8, ptr %t302
+  %t304 = icmp eq i8 %t303, 95
+  br label %logic.rend788
+logic.rend788:
+  br label %logic.end781
+logic.end781:
+  %t305 = phi i1 [ true, %logic.from779 ], [ %t304, %logic.rend788 ]
+  br label %logic.rend789
+logic.rend789:
+  br label %logic.end772
+logic.end772:
+  %t306 = phi i1 [ false, %logic.from770 ], [ %t305, %logic.rend789 ]
+  br i1 %t306, label %while.body764, label %while.end765
+while.body764:
+  %t307 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t307)
+  br label %while.cond763
+while.end765:
+  br label %endif762
+else761:
+  br label %while.cond790
+while.cond790:
+  %t308 = load ptr, ptr %a18
+  %t309 = icmp eq ptr %t308, null
+  br i1 %t309, label %panic793, label %ok794
+panic793:
   call void @finch_panic(ptr @.str.440, i64 154, ptr @.str.441)
   unreachable
-ok746:
-  %t326 = getelementptr inbounds %S.lexer.Lexer, ptr %t324, i32 0, i32 0
-  %t327 = load ptr, ptr %a18
-  %t328 = icmp eq ptr %t327, null
-  br i1 %t328, label %panic747, label %ok748
-panic747:
+ok794:
+  %t310 = getelementptr inbounds %S.lexer.Lexer, ptr %t308, i32 0, i32 2
+  %t311 = load i64, ptr %t310
+  %t312 = load ptr, ptr %a18
+  %t313 = icmp eq ptr %t312, null
+  br i1 %t313, label %panic795, label %ok796
+panic795:
   call void @finch_panic(ptr @.str.442, i64 154, ptr @.str.443)
   unreachable
-ok748:
-  %t329 = getelementptr inbounds %S.lexer.Lexer, ptr %t327, i32 0, i32 2
-  %t330 = load i64, ptr %t329
-  %t331 = load { ptr, i64, i64 }, ptr %t326
-  %t332 = extractvalue { ptr, i64, i64 } %t331, 1
-  %t333 = icmp uge i64 %t330, %t332
-  br i1 %t333, label %range749, label %inrange750
-range749:
-  call void @finch_panic_index(ptr @.str.444, i64 154, i64 %t330, i64 %t332)
+ok796:
+  %t314 = getelementptr inbounds %S.lexer.Lexer, ptr %t312, i32 0, i32 0
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i32 0, i32 1
+  %t316 = load i64, ptr %t315
+  %t317 = icmp slt i64 %t311, %t316
+  br label %logic.from797
+logic.from797:
+  br i1 %t317, label %logic.rhs798, label %logic.end799
+logic.rhs798:
+  %t318 = load ptr, ptr %a18
+  %t319 = icmp eq ptr %t318, null
+  br i1 %t319, label %panic800, label %ok801
+panic800:
+  call void @finch_panic(ptr @.str.444, i64 154, ptr @.str.445)
   unreachable
-inrange750:
-  %t334 = extractvalue { ptr, i64, i64 } %t331, 0
-  %t335 = getelementptr inbounds i8, ptr %t334, i64 %t330
-  %t336 = load i8, ptr %t335
-  %t337 = icmp eq i8 %t336, 95
-  br label %logic.rend751
-logic.rend751:
-  br label %logic.end744
-logic.end744:
-  %t338 = phi i1 [ true, %logic.from742 ], [ %t337, %logic.rend751 ]
-  br label %logic.rend752
-logic.rend752:
-  br label %logic.end735
-logic.end735:
-  %t339 = phi i1 [ false, %logic.from733 ], [ %t338, %logic.rend752 ]
-  br i1 %t339, label %while.body727, label %while.end728
-while.body727:
-  %t340 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t340)
-  br label %while.cond726
-while.end728:
-  %t341 = load ptr, ptr %a18
-  %t342 = call i8 @finch.lexer.peek(ptr %t341, i64 0)
-  %t343 = icmp eq i8 %t342, 46
-  br label %logic.from753
-logic.from753:
-  br i1 %t343, label %logic.rhs754, label %logic.end755
-logic.rhs754:
-  %t344 = load ptr, ptr %a18
-  %t345 = call i8 @finch.lexer.peek(ptr %t344, i64 1)
-  %t346 = call i1 @finch.lexer.isDigit(i8 %t345)
-  br label %logic.rend756
-logic.rend756:
-  br label %logic.end755
-logic.end755:
-  %t347 = phi i1 [ false, %logic.from753 ], [ %t346, %logic.rend756 ]
-  br i1 %t347, label %then757, label %endif759
-then757:
-  %t348 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.445, i64 5, i64 0 }, ptr %t348
+ok801:
+  %t320 = getelementptr inbounds %S.lexer.Lexer, ptr %t318, i32 0, i32 0
+  %t321 = load ptr, ptr %a18
+  %t322 = icmp eq ptr %t321, null
+  br i1 %t322, label %panic802, label %ok803
+panic802:
+  call void @finch_panic(ptr @.str.446, i64 154, ptr @.str.447)
+  unreachable
+ok803:
+  %t323 = getelementptr inbounds %S.lexer.Lexer, ptr %t321, i32 0, i32 2
+  %t324 = load i64, ptr %t323
+  %t325 = load { ptr, i64, i64 }, ptr %t320
+  %t326 = extractvalue { ptr, i64, i64 } %t325, 1
+  %t327 = icmp uge i64 %t324, %t326
+  br i1 %t327, label %range804, label %inrange805
+range804:
+  call void @finch_panic_index(ptr @.str.448, i64 154, i64 %t324, i64 %t326)
+  unreachable
+inrange805:
+  %t328 = extractvalue { ptr, i64, i64 } %t325, 0
+  %t329 = getelementptr inbounds i8, ptr %t328, i64 %t324
+  %t330 = load i8, ptr %t329
+  %t331 = call i1 @finch.lexer.isDigit(i8 %t330)
+  br label %logic.from806
+logic.from806:
+  br i1 %t331, label %logic.end808, label %logic.rhs807
+logic.rhs807:
+  %t332 = load ptr, ptr %a18
+  %t333 = icmp eq ptr %t332, null
+  br i1 %t333, label %panic809, label %ok810
+panic809:
+  call void @finch_panic(ptr @.str.449, i64 154, ptr @.str.450)
+  unreachable
+ok810:
+  %t334 = getelementptr inbounds %S.lexer.Lexer, ptr %t332, i32 0, i32 0
+  %t335 = load ptr, ptr %a18
+  %t336 = icmp eq ptr %t335, null
+  br i1 %t336, label %panic811, label %ok812
+panic811:
+  call void @finch_panic(ptr @.str.451, i64 154, ptr @.str.452)
+  unreachable
+ok812:
+  %t337 = getelementptr inbounds %S.lexer.Lexer, ptr %t335, i32 0, i32 2
+  %t338 = load i64, ptr %t337
+  %t339 = load { ptr, i64, i64 }, ptr %t334
+  %t340 = extractvalue { ptr, i64, i64 } %t339, 1
+  %t341 = icmp uge i64 %t338, %t340
+  br i1 %t341, label %range813, label %inrange814
+range813:
+  call void @finch_panic_index(ptr @.str.453, i64 154, i64 %t338, i64 %t340)
+  unreachable
+inrange814:
+  %t342 = extractvalue { ptr, i64, i64 } %t339, 0
+  %t343 = getelementptr inbounds i8, ptr %t342, i64 %t338
+  %t344 = load i8, ptr %t343
+  %t345 = icmp eq i8 %t344, 95
+  br label %logic.rend815
+logic.rend815:
+  br label %logic.end808
+logic.end808:
+  %t346 = phi i1 [ true, %logic.from806 ], [ %t345, %logic.rend815 ]
+  br label %logic.rend816
+logic.rend816:
+  br label %logic.end799
+logic.end799:
+  %t347 = phi i1 [ false, %logic.from797 ], [ %t346, %logic.rend816 ]
+  br i1 %t347, label %while.body791, label %while.end792
+while.body791:
+  %t348 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t348)
+  br label %while.cond790
+while.end792:
   %t349 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t349)
-  br label %while.cond760
-while.cond760:
-  %t350 = load ptr, ptr %a18
-  %t351 = icmp eq ptr %t350, null
-  br i1 %t351, label %panic763, label %ok764
-panic763:
-  call void @finch_panic(ptr @.str.446, i64 160, ptr @.str.447)
-  unreachable
-ok764:
-  %t352 = getelementptr inbounds %S.lexer.Lexer, ptr %t350, i32 0, i32 2
-  %t353 = load i64, ptr %t352
-  %t354 = load ptr, ptr %a18
-  %t355 = icmp eq ptr %t354, null
-  br i1 %t355, label %panic765, label %ok766
-panic765:
-  call void @finch_panic(ptr @.str.448, i64 160, ptr @.str.449)
-  unreachable
-ok766:
-  %t356 = getelementptr inbounds %S.lexer.Lexer, ptr %t354, i32 0, i32 0
-  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
-  %t358 = load i64, ptr %t357
-  %t359 = icmp slt i64 %t353, %t358
-  br label %logic.from767
-logic.from767:
-  br i1 %t359, label %logic.rhs768, label %logic.end769
-logic.rhs768:
-  %t360 = load ptr, ptr %a18
-  %t361 = icmp eq ptr %t360, null
-  br i1 %t361, label %panic770, label %ok771
-panic770:
-  call void @finch_panic(ptr @.str.450, i64 160, ptr @.str.451)
-  unreachable
-ok771:
-  %t362 = getelementptr inbounds %S.lexer.Lexer, ptr %t360, i32 0, i32 0
-  %t363 = load ptr, ptr %a18
-  %t364 = icmp eq ptr %t363, null
-  br i1 %t364, label %panic772, label %ok773
-panic772:
-  call void @finch_panic(ptr @.str.452, i64 160, ptr @.str.453)
-  unreachable
-ok773:
-  %t365 = getelementptr inbounds %S.lexer.Lexer, ptr %t363, i32 0, i32 2
-  %t366 = load i64, ptr %t365
-  %t367 = load { ptr, i64, i64 }, ptr %t362
-  %t368 = extractvalue { ptr, i64, i64 } %t367, 1
-  %t369 = icmp uge i64 %t366, %t368
-  br i1 %t369, label %range774, label %inrange775
-range774:
-  call void @finch_panic_index(ptr @.str.454, i64 160, i64 %t366, i64 %t368)
-  unreachable
-inrange775:
-  %t370 = extractvalue { ptr, i64, i64 } %t367, 0
-  %t371 = getelementptr inbounds i8, ptr %t370, i64 %t366
-  %t372 = load i8, ptr %t371
-  %t373 = call i1 @finch.lexer.isDigit(i8 %t372)
-  br label %logic.from776
-logic.from776:
-  br i1 %t373, label %logic.end778, label %logic.rhs777
-logic.rhs777:
-  %t374 = load ptr, ptr %a18
-  %t375 = icmp eq ptr %t374, null
-  br i1 %t375, label %panic779, label %ok780
-panic779:
-  call void @finch_panic(ptr @.str.455, i64 160, ptr @.str.456)
-  unreachable
-ok780:
-  %t376 = getelementptr inbounds %S.lexer.Lexer, ptr %t374, i32 0, i32 0
-  %t377 = load ptr, ptr %a18
-  %t378 = icmp eq ptr %t377, null
-  br i1 %t378, label %panic781, label %ok782
-panic781:
-  call void @finch_panic(ptr @.str.457, i64 160, ptr @.str.458)
-  unreachable
-ok782:
-  %t379 = getelementptr inbounds %S.lexer.Lexer, ptr %t377, i32 0, i32 2
-  %t380 = load i64, ptr %t379
-  %t381 = load { ptr, i64, i64 }, ptr %t376
-  %t382 = extractvalue { ptr, i64, i64 } %t381, 1
-  %t383 = icmp uge i64 %t380, %t382
-  br i1 %t383, label %range783, label %inrange784
-range783:
-  call void @finch_panic_index(ptr @.str.459, i64 160, i64 %t380, i64 %t382)
-  unreachable
-inrange784:
-  %t384 = extractvalue { ptr, i64, i64 } %t381, 0
-  %t385 = getelementptr inbounds i8, ptr %t384, i64 %t380
-  %t386 = load i8, ptr %t385
-  %t387 = icmp eq i8 %t386, 95
-  br label %logic.rend785
-logic.rend785:
-  br label %logic.end778
-logic.end778:
-  %t388 = phi i1 [ true, %logic.from776 ], [ %t387, %logic.rend785 ]
-  br label %logic.rend786
-logic.rend786:
-  br label %logic.end769
-logic.end769:
-  %t389 = phi i1 [ false, %logic.from767 ], [ %t388, %logic.rend786 ]
-  br i1 %t389, label %while.body761, label %while.end762
-while.body761:
-  %t390 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t390)
-  br label %while.cond760
-while.end762:
-  br label %endif759
-endif759:
-  br label %endif698
-endif698:
-  %t391 = load ptr, ptr %a18
-  %t392 = icmp eq ptr %t391, null
-  br i1 %t392, label %panic787, label %ok788
-panic787:
-  call void @finch_panic(ptr @.str.460, i64 165, ptr @.str.461)
-  unreachable
-ok788:
-  %t393 = getelementptr inbounds %S.lexer.Lexer, ptr %t391, i32 0, i32 0
-  %t394 = load { ptr, i64, i64 }, ptr %t393
-  store { ptr, i64, i64 } %t394, ptr %a395
-  %t397 = load i64, ptr %a177
-  %t398 = load ptr, ptr %a18
-  %t399 = icmp eq ptr %t398, null
-  br i1 %t399, label %panic789, label %ok790
-panic789:
-  call void @finch_panic(ptr @.str.463, i64 165, ptr @.str.464)
-  unreachable
-ok790:
-  %t400 = getelementptr inbounds %S.lexer.Lexer, ptr %t398, i32 0, i32 2
-  %t401 = load i64, ptr %t400
-  call void @finch_str_sub(ptr %a396, ptr %a395, i64 %t397, i64 %t401, ptr @.str.462, i64 165)
-  %t402 = load { ptr, i64, i64 }, ptr %a396
-  store { ptr, i64, i64 } %t402, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.466, i64 1, i64 0 }, ptr %a405
-  store { ptr, i64, i64 } { ptr @.str.467, i64 0, i64 0 }, ptr %a406
-  call void @finch_str_replace(ptr %a404, ptr %a403, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  %t408 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  store { ptr, i64, i64 } %t407, ptr %t408
-  br label %endif687
-else686:
-  %t409 = load i8, ptr %a43
-  %t410 = icmp eq i8 %t409, 34
-  br label %logic.from791
-logic.from791:
-  br i1 %t410, label %logic.end793, label %logic.rhs792
-logic.rhs792:
-  %t411 = load i8, ptr %a43
-  %t412 = icmp eq i8 %t411, 39
-  br label %logic.rend794
-logic.rend794:
-  br label %logic.end793
-logic.end793:
-  %t413 = phi i1 [ true, %logic.from791 ], [ %t412, %logic.rend794 ]
-  br i1 %t413, label %then795, label %else796
-then795:
-  %t414 = load i8, ptr %a43
-  store i8 %t414, ptr %a415
-  %t416 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.468, i64 6, i64 0 }, ptr %t416
-  %t417 = load i8, ptr %a415
-  %t418 = icmp eq i8 %t417, 39
-  br i1 %t418, label %then798, label %endif800
-then798:
-  %t419 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.469, i64 4, i64 0 }, ptr %t419
-  br label %endif800
-endif800:
-  %t420 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t420)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a421
-  br label %while.cond801
-while.cond801:
-  %t422 = load ptr, ptr %a18
-  %t423 = call i8 @finch.lexer.peek(ptr %t422, i64 0)
-  %t424 = load i8, ptr %a415
-  %t425 = icmp ne i8 %t423, %t424
-  br i1 %t425, label %while.body802, label %while.end803
-while.body802:
-  %t426 = load ptr, ptr %a18
-  %t427 = call i8 @finch.lexer.peek(ptr %t426, i64 0)
-  %t428 = trunc i64 0 to i8
-  %t429 = icmp eq i8 %t427, %t428
-  br label %logic.from804
-logic.from804:
-  br i1 %t429, label %logic.end806, label %logic.rhs805
-logic.rhs805:
-  %t430 = load ptr, ptr %a18
-  %t431 = call i8 @finch.lexer.peek(ptr %t430, i64 0)
-  %t432 = icmp eq i8 %t431, 10
-  br label %logic.rend807
-logic.rend807:
-  br label %logic.end806
-logic.end806:
-  %t433 = phi i1 [ true, %logic.from804 ], [ %t432, %logic.rend807 ]
-  br i1 %t433, label %then808, label %endif810
-then808:
-  %t434 = load i8, ptr %a415
-  %t435 = icmp eq i8 %t434, 34
-  br i1 %t435, label %then811, label %endif813
-then811:
-  %t436 = load ptr, ptr %a18
-  %t437 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t438 = load i64, ptr %t437
-  %t439 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t440 = load i64, ptr %t439
-  call void @finch.lexer.fail(ptr %t436, i64 %t438, i64 %t440, { ptr, i64, i64 } { ptr @.str.470, i64 34, i64 0 })
-  br label %endif813
-endif813:
-  %t441 = load ptr, ptr %a18
-  %t442 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t443 = load i64, ptr %t442
-  %t444 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t445 = load i64, ptr %t444
-  call void @finch.lexer.fail(ptr %t441, i64 %t443, i64 %t445, { ptr, i64, i64 } { ptr @.str.471, i64 32, i64 0 })
-  br label %endif810
-endif810:
-  %t446 = load ptr, ptr %a18
-  %t447 = call i8 @finch.lexer.peek(ptr %t446, i64 0)
-  store i8 %t447, ptr %a448
-  %t449 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t449)
-  %t450 = load i8, ptr %a448
-  %t451 = icmp eq i8 %t450, 92
-  br i1 %t451, label %then814, label %endif816
-then814:
-  %t452 = load ptr, ptr %a18
-  %t453 = call i8 @finch.lexer.peek(ptr %t452, i64 0)
-  store i8 %t453, ptr %a454
-  %t455 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t455)
-  %t456 = load ptr, ptr %a18
-  %t457 = load i8, ptr %a454
-  %t458 = call i8 @finch.lexer.escape(ptr %t456, i8 %t457)
-  store i8 %t458, ptr %a448
-  br label %endif816
-endif816:
-  %t459 = getelementptr inbounds { ptr, i64, i64 }, ptr %a421, i32 0, i32 1
-  %t460 = load i8, ptr %a448
-  call void @finch_str_from_char(ptr %a461, i8 signext %t460)
-  %t462 = load { ptr, i64, i64 }, ptr %a461
-  %t463 = load i64, ptr %t459
-  %t464 = add i64 %t463, 1
-  call void @finch_arr_reserve(ptr %a421, i64 %t464, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t465 = load ptr, ptr %a421
-  %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t465, i64 %t463
-  store { ptr, i64, i64 } %t462, ptr %t466
-  store i64 %t464, ptr %t459
-  br label %while.cond801
-while.end803:
-  %t467 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t467)
-  %t468 = getelementptr inbounds { ptr, i64, i64 }, ptr %a421, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.472, i64 0, i64 0 }, ptr %a469
-  call void @finch_str_join(ptr %a470, ptr %a421, ptr %a469)
-  %t471 = load { ptr, i64, i64 }, ptr %a470
-  %t472 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  store { ptr, i64, i64 } %t471, ptr %t472
-  %t473 = load i8, ptr %a415
-  %t474 = icmp eq i8 %t473, 39
+  %t350 = call i8 @finch.lexer.peek(ptr %t349, i64 0)
+  %t351 = icmp eq i8 %t350, 46
   br label %logic.from817
 logic.from817:
-  br i1 %t474, label %logic.rhs818, label %logic.end819
+  br i1 %t351, label %logic.rhs818, label %logic.end819
 logic.rhs818:
-  %t475 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i32 0, i32 1
-  %t477 = load i64, ptr %t476
-  %t478 = icmp ne i64 %t477, 1
+  %t352 = load ptr, ptr %a18
+  %t353 = call i8 @finch.lexer.peek(ptr %t352, i64 1)
+  %t354 = call i1 @finch.lexer.isDigit(i8 %t353)
   br label %logic.rend820
 logic.rend820:
   br label %logic.end819
 logic.end819:
-  %t479 = phi i1 [ false, %logic.from817 ], [ %t478, %logic.rend820 ]
-  br i1 %t479, label %then821, label %endif823
+  %t355 = phi i1 [ false, %logic.from817 ], [ %t354, %logic.rend820 ]
+  br i1 %t355, label %then821, label %endif823
 then821:
-  %t480 = load ptr, ptr %a18
-  %t481 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t482 = load i64, ptr %t481
-  %t483 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t484 = load i64, ptr %t483
-  call void @finch.lexer.fail(ptr %t480, i64 %t482, i64 %t484, { ptr, i64, i64 } { ptr @.str.473, i64 44, i64 0 })
-  br label %endif823
-endif823:
-  br label %endif797
-else796:
-  %t485 = load ptr, ptr %a18
-  %t486 = call { ptr, i64, i64 } @finch.lexer.operator(ptr %t485)
-  store { ptr, i64, i64 } %t486, ptr %a487
-  %t488 = getelementptr inbounds { ptr, i64, i64 }, ptr %a487, i32 0, i32 1
-  %t489 = load i64, ptr %t488
-  %t490 = icmp eq i64 %t489, 0
-  br i1 %t490, label %then824, label %endif826
-then824:
-  store i64 1, ptr %a491
-  %t492 = load i8, ptr %a43
-  %t493 = zext i8 %t492 to i64
-  %t494 = and i64 %t493, 224
-  %t495 = icmp eq i64 %t494, 192
-  br i1 %t495, label %then827, label %else828
-then827:
-  store i64 2, ptr %a491
-  br label %endif829
-else828:
-  %t496 = load i8, ptr %a43
-  %t497 = zext i8 %t496 to i64
-  %t498 = and i64 %t497, 240
-  %t499 = icmp eq i64 %t498, 224
-  br i1 %t499, label %then830, label %else831
-then830:
-  store i64 3, ptr %a491
-  br label %endif832
-else831:
-  %t500 = load i8, ptr %a43
-  %t501 = zext i8 %t500 to i64
-  %t502 = and i64 %t501, 248
-  %t503 = icmp eq i64 %t502, 240
-  br i1 %t503, label %then833, label %endif835
-then833:
-  store i64 4, ptr %a491
-  br label %endif835
-endif835:
-  br label %endif832
-endif832:
-  br label %endif829
-endif829:
-  store { ptr, i64, i64 } { ptr @.str.474, i64 0, i64 0 }, ptr %a504
-  %t505 = load i8, ptr %a43
-  %t506 = zext i8 %t505 to i64
-  %t507 = icmp sge i64 %t506, 128
-  br i1 %t507, label %then836, label %endif838
-then836:
-  store { ptr, i64, i64 } { ptr @.str.475, i64 74, i64 0 }, ptr %a504
-  br label %endif838
-endif838:
-  %t508 = load ptr, ptr %a18
-  %t509 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t510 = load i64, ptr %t509
-  %t511 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t512 = load i64, ptr %t511
-  %t513 = load ptr, ptr %a18
-  %t514 = icmp eq ptr %t513, null
-  br i1 %t514, label %panic839, label %ok840
-panic839:
-  call void @finch_panic(ptr @.str.477, i64 211, ptr @.str.478)
+  %t356 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t357 = load { ptr, i64, i64 }, ptr %t356
+  store { ptr, i64, i64 } { ptr @.str.454, i64 5, i64 0 }, ptr %t356
+  store { ptr, i64, i64 } %t357, ptr %a358
+  call void @finch_str_drop(ptr %a358)
+  %t359 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t359)
+  br label %while.cond824
+while.cond824:
+  %t360 = load ptr, ptr %a18
+  %t361 = icmp eq ptr %t360, null
+  br i1 %t361, label %panic827, label %ok828
+panic827:
+  call void @finch_panic(ptr @.str.455, i64 160, ptr @.str.456)
   unreachable
-ok840:
-  %t515 = getelementptr inbounds %S.lexer.Lexer, ptr %t513, i32 0, i32 0
-  %t516 = load { ptr, i64, i64 }, ptr %t515
-  store { ptr, i64, i64 } %t516, ptr %a517
-  %t519 = load ptr, ptr %a18
-  %t520 = icmp eq ptr %t519, null
-  br i1 %t520, label %panic841, label %ok842
-panic841:
-  call void @finch_panic(ptr @.str.480, i64 211, ptr @.str.481)
+ok828:
+  %t362 = getelementptr inbounds %S.lexer.Lexer, ptr %t360, i32 0, i32 2
+  %t363 = load i64, ptr %t362
+  %t364 = load ptr, ptr %a18
+  %t365 = icmp eq ptr %t364, null
+  br i1 %t365, label %panic829, label %ok830
+panic829:
+  call void @finch_panic(ptr @.str.457, i64 160, ptr @.str.458)
   unreachable
-ok842:
-  %t521 = getelementptr inbounds %S.lexer.Lexer, ptr %t519, i32 0, i32 2
-  %t522 = load i64, ptr %t521
-  %t523 = load ptr, ptr %a18
-  %t524 = icmp eq ptr %t523, null
-  br i1 %t524, label %panic843, label %ok844
+ok830:
+  %t366 = getelementptr inbounds %S.lexer.Lexer, ptr %t364, i32 0, i32 0
+  %t367 = getelementptr inbounds { ptr, i64, i64 }, ptr %t366, i32 0, i32 1
+  %t368 = load i64, ptr %t367
+  %t369 = icmp slt i64 %t363, %t368
+  br label %logic.from831
+logic.from831:
+  br i1 %t369, label %logic.rhs832, label %logic.end833
+logic.rhs832:
+  %t370 = load ptr, ptr %a18
+  %t371 = icmp eq ptr %t370, null
+  br i1 %t371, label %panic834, label %ok835
+panic834:
+  call void @finch_panic(ptr @.str.459, i64 160, ptr @.str.460)
+  unreachable
+ok835:
+  %t372 = getelementptr inbounds %S.lexer.Lexer, ptr %t370, i32 0, i32 0
+  %t373 = load ptr, ptr %a18
+  %t374 = icmp eq ptr %t373, null
+  br i1 %t374, label %panic836, label %ok837
+panic836:
+  call void @finch_panic(ptr @.str.461, i64 160, ptr @.str.462)
+  unreachable
+ok837:
+  %t375 = getelementptr inbounds %S.lexer.Lexer, ptr %t373, i32 0, i32 2
+  %t376 = load i64, ptr %t375
+  %t377 = load { ptr, i64, i64 }, ptr %t372
+  %t378 = extractvalue { ptr, i64, i64 } %t377, 1
+  %t379 = icmp uge i64 %t376, %t378
+  br i1 %t379, label %range838, label %inrange839
+range838:
+  call void @finch_panic_index(ptr @.str.463, i64 160, i64 %t376, i64 %t378)
+  unreachable
+inrange839:
+  %t380 = extractvalue { ptr, i64, i64 } %t377, 0
+  %t381 = getelementptr inbounds i8, ptr %t380, i64 %t376
+  %t382 = load i8, ptr %t381
+  %t383 = call i1 @finch.lexer.isDigit(i8 %t382)
+  br label %logic.from840
+logic.from840:
+  br i1 %t383, label %logic.end842, label %logic.rhs841
+logic.rhs841:
+  %t384 = load ptr, ptr %a18
+  %t385 = icmp eq ptr %t384, null
+  br i1 %t385, label %panic843, label %ok844
 panic843:
-  call void @finch_panic(ptr @.str.482, i64 211, ptr @.str.483)
+  call void @finch_panic(ptr @.str.464, i64 160, ptr @.str.465)
   unreachable
 ok844:
-  %t525 = getelementptr inbounds %S.lexer.Lexer, ptr %t523, i32 0, i32 2
-  %t526 = load i64, ptr %t525
-  %t527 = load i64, ptr %a491
-  %t528 = add i64 %t526, %t527
-  call void @finch_str_sub(ptr %a518, ptr %a517, i64 %t522, i64 %t528, ptr @.str.479, i64 211)
-  %t529 = load { ptr, i64, i64 }, ptr %a518
-  store { ptr, i64, i64 } { ptr @.str.476, i64 22, i64 0 }, ptr %a531
-  store { ptr, i64, i64 } %t529, ptr %a532
-  call void @finch_str_concat(ptr %a530, ptr %a531, ptr %a532)
-  %t533 = load { ptr, i64, i64 }, ptr %a530
-  store { ptr, i64, i64 } %t533, ptr %a535
-  store { ptr, i64, i64 } { ptr @.str.484, i64 1, i64 0 }, ptr %a536
-  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
-  %t537 = load { ptr, i64, i64 }, ptr %a534
-  %t538 = load { ptr, i64, i64 }, ptr %a504
-  store { ptr, i64, i64 } %t537, ptr %a540
-  store { ptr, i64, i64 } %t538, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  call void @finch.lexer.fail(ptr %t508, i64 %t510, i64 %t512, { ptr, i64, i64 } %t542)
-  br label %endif826
-endif826:
-  %t543 = getelementptr inbounds { ptr, i64, i64 }, ptr %a487, i32 0, i32 1
-  %t544 = load i64, ptr %t543
-  store i64 0, ptr %a545
-  br label %for.cond845
-for.cond845:
-  %t546 = load i64, ptr %a545
-  %t547 = icmp slt i64 %t546, %t544
-  br i1 %t547, label %for.body846, label %for.end848
-for.body846:
-  %t548 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t548)
-  br label %for.step847
-for.step847:
-  %t549 = load i64, ptr %a545
-  %t550 = add i64 %t549, 1
-  store i64 %t550, ptr %a545
-  br label %for.cond845
-for.end848:
-  %t551 = load { ptr, i64, i64 }, ptr %a487
-  %t552 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } %t551, ptr %a553
-  call void @finch_str_copy(ptr %a554, ptr %a553)
-  %t555 = load { ptr, i64, i64 }, ptr %a554
-  store { ptr, i64, i64 } %t555, ptr %t552
-  %t556 = load { ptr, i64, i64 }, ptr %a487
-  %t557 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  store { ptr, i64, i64 } %t556, ptr %a558
-  call void @finch_str_copy(ptr %a559, ptr %a558)
-  %t560 = load { ptr, i64, i64 }, ptr %a559
-  store { ptr, i64, i64 } %t560, ptr %t557
-  br label %endif797
-endif797:
-  br label %endif687
-endif687:
-  br label %endif650
-endif650:
-  %t561 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t562 = load %S.lexer.Token, ptr %a169
-  store %S.lexer.Token %t562, ptr %a563
-  call void @finch.copy.S_lexer_Token(ptr %a564, ptr %a563)
-  %t565 = load %S.lexer.Token, ptr %a564
-  %t566 = load i64, ptr %t561
-  %t567 = add i64 %t566, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t567, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
-  %t568 = load ptr, ptr %a19
-  %t569 = getelementptr inbounds %S.lexer.Token, ptr %t568, i64 %t566
-  store %S.lexer.Token %t565, ptr %t569
-  store i64 %t567, ptr %t561
-  br label %while.cond547
-while.end549:
-  %t570 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t571 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.485, i64 3, i64 0 }, 0
-  %t572 = insertvalue %S.lexer.Token %t571, { ptr, i64, i64 } { ptr @.str.486, i64 0, i64 0 }, 1
-  %t573 = load ptr, ptr %a18
-  %t574 = icmp eq ptr %t573, null
-  br i1 %t574, label %panic849, label %ok850
-panic849:
-  call void @finch_panic(ptr @.str.487, i64 221, ptr @.str.488)
+  %t386 = getelementptr inbounds %S.lexer.Lexer, ptr %t384, i32 0, i32 0
+  %t387 = load ptr, ptr %a18
+  %t388 = icmp eq ptr %t387, null
+  br i1 %t388, label %panic845, label %ok846
+panic845:
+  call void @finch_panic(ptr @.str.466, i64 160, ptr @.str.467)
   unreachable
-ok850:
-  %t575 = getelementptr inbounds %S.lexer.Lexer, ptr %t573, i32 0, i32 3
-  %t576 = load i64, ptr %t575
-  %t577 = insertvalue %S.lexer.Token %t572, i64 %t576, 2
-  %t578 = load ptr, ptr %a18
-  %t579 = icmp eq ptr %t578, null
-  br i1 %t579, label %panic851, label %ok852
+ok846:
+  %t389 = getelementptr inbounds %S.lexer.Lexer, ptr %t387, i32 0, i32 2
+  %t390 = load i64, ptr %t389
+  %t391 = load { ptr, i64, i64 }, ptr %t386
+  %t392 = extractvalue { ptr, i64, i64 } %t391, 1
+  %t393 = icmp uge i64 %t390, %t392
+  br i1 %t393, label %range847, label %inrange848
+range847:
+  call void @finch_panic_index(ptr @.str.468, i64 160, i64 %t390, i64 %t392)
+  unreachable
+inrange848:
+  %t394 = extractvalue { ptr, i64, i64 } %t391, 0
+  %t395 = getelementptr inbounds i8, ptr %t394, i64 %t390
+  %t396 = load i8, ptr %t395
+  %t397 = icmp eq i8 %t396, 95
+  br label %logic.rend849
+logic.rend849:
+  br label %logic.end842
+logic.end842:
+  %t398 = phi i1 [ true, %logic.from840 ], [ %t397, %logic.rend849 ]
+  br label %logic.rend850
+logic.rend850:
+  br label %logic.end833
+logic.end833:
+  %t399 = phi i1 [ false, %logic.from831 ], [ %t398, %logic.rend850 ]
+  br i1 %t399, label %while.body825, label %while.end826
+while.body825:
+  %t400 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t400)
+  br label %while.cond824
+while.end826:
+  br label %endif823
+endif823:
+  br label %endif762
+endif762:
+  %t401 = load ptr, ptr %a18
+  %t402 = icmp eq ptr %t401, null
+  br i1 %t402, label %panic851, label %ok852
 panic851:
-  call void @finch_panic(ptr @.str.489, i64 221, ptr @.str.490)
+  call void @finch_panic(ptr @.str.469, i64 165, ptr @.str.470)
   unreachable
 ok852:
-  %t580 = getelementptr inbounds %S.lexer.Lexer, ptr %t578, i32 0, i32 4
-  %t581 = load i64, ptr %t580
-  %t582 = insertvalue %S.lexer.Token %t577, i64 %t581, 3
-  %t583 = insertvalue %S.lexer.Token %t582, i1 true, 4
-  %t584 = load i64, ptr %t570
-  %t585 = add i64 %t584, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t585, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
-  %t586 = load ptr, ptr %a19
-  %t587 = getelementptr inbounds %S.lexer.Token, ptr %t586, i64 %t584
-  store %S.lexer.Token %t583, ptr %t587
-  store i64 %t585, ptr %t570
-  %t588 = load { ptr, i64, i64 }, ptr %a19
+  %t403 = getelementptr inbounds %S.lexer.Lexer, ptr %t401, i32 0, i32 0
+  %t404 = load { ptr, i64, i64 }, ptr %t403
+  store { ptr, i64, i64 } %t404, ptr %a405
+  %t407 = load i64, ptr %a177
+  %t408 = load ptr, ptr %a18
+  %t409 = icmp eq ptr %t408, null
+  br i1 %t409, label %panic853, label %ok854
+panic853:
+  call void @finch_panic(ptr @.str.472, i64 165, ptr @.str.473)
+  unreachable
+ok854:
+  %t410 = getelementptr inbounds %S.lexer.Lexer, ptr %t408, i32 0, i32 2
+  %t411 = load i64, ptr %t410
+  call void @finch_str_sub(ptr %a406, ptr %a405, i64 %t407, i64 %t411, ptr @.str.471, i64 165)
+  %t412 = load { ptr, i64, i64 }, ptr %a406
+  store { ptr, i64, i64 } %t412, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.475, i64 1, i64 0 }, ptr %a415
+  store { ptr, i64, i64 } { ptr @.str.476, i64 0, i64 0 }, ptr %a416
+  call void @finch_str_replace(ptr %a414, ptr %a413, ptr %a415, ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a414
+  store { ptr, i64, i64 } %t412, ptr %a418
+  call void @finch_str_drop(ptr %a418)
+  %t419 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t420 = load { ptr, i64, i64 }, ptr %t419
+  store { ptr, i64, i64 } %t417, ptr %t419
+  store { ptr, i64, i64 } %t420, ptr %a421
+  call void @finch_str_drop(ptr %a421)
+  br label %endif751
+else750:
+  %t422 = load i8, ptr %a43
+  %t423 = icmp eq i8 %t422, 34
+  br label %logic.from855
+logic.from855:
+  br i1 %t423, label %logic.end857, label %logic.rhs856
+logic.rhs856:
+  %t424 = load i8, ptr %a43
+  %t425 = icmp eq i8 %t424, 39
+  br label %logic.rend858
+logic.rend858:
+  br label %logic.end857
+logic.end857:
+  %t426 = phi i1 [ true, %logic.from855 ], [ %t425, %logic.rend858 ]
+  br i1 %t426, label %then859, label %else860
+then859:
+  %t427 = load i8, ptr %a43
+  store i8 %t427, ptr %a428
+  %t429 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t430 = load { ptr, i64, i64 }, ptr %t429
+  store { ptr, i64, i64 } { ptr @.str.477, i64 6, i64 0 }, ptr %t429
+  store { ptr, i64, i64 } %t430, ptr %a431
+  call void @finch_str_drop(ptr %a431)
+  %t432 = load i8, ptr %a428
+  %t433 = icmp eq i8 %t432, 39
+  br i1 %t433, label %then862, label %endif864
+then862:
+  %t434 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t435 = load { ptr, i64, i64 }, ptr %t434
+  store { ptr, i64, i64 } { ptr @.str.478, i64 4, i64 0 }, ptr %t434
+  store { ptr, i64, i64 } %t435, ptr %a436
+  call void @finch_str_drop(ptr %a436)
+  br label %endif864
+endif864:
+  %t437 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t437)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a438
+  br label %while.cond865
+while.cond865:
+  %t439 = load ptr, ptr %a18
+  %t440 = call i8 @finch.lexer.peek(ptr %t439, i64 0)
+  %t441 = load i8, ptr %a428
+  %t442 = icmp ne i8 %t440, %t441
+  br i1 %t442, label %while.body866, label %while.end867
+while.body866:
+  %t443 = load ptr, ptr %a18
+  %t444 = call i8 @finch.lexer.peek(ptr %t443, i64 0)
+  %t445 = trunc i64 0 to i8
+  %t446 = icmp eq i8 %t444, %t445
+  br label %logic.from868
+logic.from868:
+  br i1 %t446, label %logic.end870, label %logic.rhs869
+logic.rhs869:
+  %t447 = load ptr, ptr %a18
+  %t448 = call i8 @finch.lexer.peek(ptr %t447, i64 0)
+  %t449 = icmp eq i8 %t448, 10
+  br label %logic.rend871
+logic.rend871:
+  br label %logic.end870
+logic.end870:
+  %t450 = phi i1 [ true, %logic.from868 ], [ %t449, %logic.rend871 ]
+  br i1 %t450, label %then872, label %endif874
+then872:
+  %t451 = load i8, ptr %a428
+  %t452 = icmp eq i8 %t451, 34
+  br i1 %t452, label %then875, label %endif877
+then875:
+  %t453 = load ptr, ptr %a18
+  %t454 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t455 = load i64, ptr %t454
+  %t456 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t457 = load i64, ptr %t456
+  call void @finch.lexer.fail(ptr %t453, i64 %t455, i64 %t457, { ptr, i64, i64 } { ptr @.str.479, i64 34, i64 0 })
+  br label %endif877
+endif877:
+  %t458 = load ptr, ptr %a18
+  %t459 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t460 = load i64, ptr %t459
+  %t461 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t462 = load i64, ptr %t461
+  call void @finch.lexer.fail(ptr %t458, i64 %t460, i64 %t462, { ptr, i64, i64 } { ptr @.str.480, i64 32, i64 0 })
+  br label %endif874
+endif874:
+  %t463 = load ptr, ptr %a18
+  %t464 = call i8 @finch.lexer.peek(ptr %t463, i64 0)
+  store i8 %t464, ptr %a465
+  %t466 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t466)
+  %t467 = load i8, ptr %a465
+  %t468 = icmp eq i8 %t467, 92
+  br i1 %t468, label %then878, label %endif880
+then878:
+  %t469 = load ptr, ptr %a18
+  %t470 = call i8 @finch.lexer.peek(ptr %t469, i64 0)
+  store i8 %t470, ptr %a471
+  %t472 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t472)
+  %t473 = load ptr, ptr %a18
+  %t474 = load i8, ptr %a471
+  %t475 = call i8 @finch.lexer.escape(ptr %t473, i8 %t474)
+  store i8 %t475, ptr %a465
+  br label %endif880
+endif880:
+  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %a438, i32 0, i32 1
+  %t477 = load i8, ptr %a465
+  call void @finch_str_from_char(ptr %a478, i8 signext %t477)
+  %t479 = load { ptr, i64, i64 }, ptr %a478
+  %t480 = load i64, ptr %t476
+  %t481 = add i64 %t480, 1
+  call void @finch_arr_reserve(ptr %a438, i64 %t481, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t482 = load ptr, ptr %a438
+  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i64 %t480
+  store { ptr, i64, i64 } %t479, ptr %t483
+  store i64 %t481, ptr %t476
+  br label %while.cond865
+while.end867:
+  %t484 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t484)
+  %t485 = getelementptr inbounds { ptr, i64, i64 }, ptr %a438, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.481, i64 0, i64 0 }, ptr %a486
+  call void @finch_str_join(ptr %a487, ptr %a438, ptr %a486)
+  %t488 = load { ptr, i64, i64 }, ptr %a487
+  %t489 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t490 = load { ptr, i64, i64 }, ptr %t489
+  store { ptr, i64, i64 } %t488, ptr %t489
+  store { ptr, i64, i64 } %t490, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  %t492 = load i8, ptr %a428
+  %t493 = icmp eq i8 %t492, 39
+  br label %logic.from881
+logic.from881:
+  br i1 %t493, label %logic.rhs882, label %logic.end883
+logic.rhs882:
+  %t494 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t495 = getelementptr inbounds { ptr, i64, i64 }, ptr %t494, i32 0, i32 1
+  %t496 = load i64, ptr %t495
+  %t497 = icmp ne i64 %t496, 1
+  br label %logic.rend884
+logic.rend884:
+  br label %logic.end883
+logic.end883:
+  %t498 = phi i1 [ false, %logic.from881 ], [ %t497, %logic.rend884 ]
+  br i1 %t498, label %then885, label %endif887
+then885:
+  %t499 = load ptr, ptr %a18
+  %t500 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t501 = load i64, ptr %t500
+  %t502 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t503 = load i64, ptr %t502
+  call void @finch.lexer.fail(ptr %t499, i64 %t501, i64 %t503, { ptr, i64, i64 } { ptr @.str.482, i64 44, i64 0 })
+  br label %endif887
+endif887:
+  call void @finch.drop.arr_str(ptr %a438)
+  br label %endif861
+else860:
+  %t504 = load ptr, ptr %a18
+  %t505 = call { ptr, i64, i64 } @finch.lexer.operator(ptr %t504)
+  store { ptr, i64, i64 } %t505, ptr %a506
+  %t507 = getelementptr inbounds { ptr, i64, i64 }, ptr %a506, i32 0, i32 1
+  %t508 = load i64, ptr %t507
+  %t509 = icmp eq i64 %t508, 0
+  br i1 %t509, label %then888, label %endif890
+then888:
+  store i64 1, ptr %a510
+  %t511 = load i8, ptr %a43
+  %t512 = zext i8 %t511 to i64
+  %t513 = and i64 %t512, 224
+  %t514 = icmp eq i64 %t513, 192
+  br i1 %t514, label %then891, label %else892
+then891:
+  store i64 2, ptr %a510
+  br label %endif893
+else892:
+  %t515 = load i8, ptr %a43
+  %t516 = zext i8 %t515 to i64
+  %t517 = and i64 %t516, 240
+  %t518 = icmp eq i64 %t517, 224
+  br i1 %t518, label %then894, label %else895
+then894:
+  store i64 3, ptr %a510
+  br label %endif896
+else895:
+  %t519 = load i8, ptr %a43
+  %t520 = zext i8 %t519 to i64
+  %t521 = and i64 %t520, 248
+  %t522 = icmp eq i64 %t521, 240
+  br i1 %t522, label %then897, label %endif899
+then897:
+  store i64 4, ptr %a510
+  br label %endif899
+endif899:
+  br label %endif896
+endif896:
+  br label %endif893
+endif893:
+  store { ptr, i64, i64 } { ptr @.str.483, i64 0, i64 0 }, ptr %a523
+  %t524 = load i8, ptr %a43
+  %t525 = zext i8 %t524 to i64
+  %t526 = icmp sge i64 %t525, 128
+  br i1 %t526, label %then900, label %endif902
+then900:
+  %t527 = load { ptr, i64, i64 }, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.484, i64 74, i64 0 }, ptr %a523
+  store { ptr, i64, i64 } %t527, ptr %a528
+  call void @finch_str_drop(ptr %a528)
+  br label %endif902
+endif902:
+  %t529 = load ptr, ptr %a18
+  %t530 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t531 = load i64, ptr %t530
+  %t532 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t533 = load i64, ptr %t532
+  %t534 = load ptr, ptr %a18
+  %t535 = icmp eq ptr %t534, null
+  br i1 %t535, label %panic903, label %ok904
+panic903:
+  call void @finch_panic(ptr @.str.486, i64 211, ptr @.str.487)
+  unreachable
+ok904:
+  %t536 = getelementptr inbounds %S.lexer.Lexer, ptr %t534, i32 0, i32 0
+  %t537 = load { ptr, i64, i64 }, ptr %t536
+  store { ptr, i64, i64 } %t537, ptr %a538
+  %t540 = load ptr, ptr %a18
+  %t541 = icmp eq ptr %t540, null
+  br i1 %t541, label %panic905, label %ok906
+panic905:
+  call void @finch_panic(ptr @.str.489, i64 211, ptr @.str.490)
+  unreachable
+ok906:
+  %t542 = getelementptr inbounds %S.lexer.Lexer, ptr %t540, i32 0, i32 2
+  %t543 = load i64, ptr %t542
+  %t544 = load ptr, ptr %a18
+  %t545 = icmp eq ptr %t544, null
+  br i1 %t545, label %panic907, label %ok908
+panic907:
+  call void @finch_panic(ptr @.str.491, i64 211, ptr @.str.492)
+  unreachable
+ok908:
+  %t546 = getelementptr inbounds %S.lexer.Lexer, ptr %t544, i32 0, i32 2
+  %t547 = load i64, ptr %t546
+  %t548 = load i64, ptr %a510
+  %t549 = add i64 %t547, %t548
+  call void @finch_str_sub(ptr %a539, ptr %a538, i64 %t543, i64 %t549, ptr @.str.488, i64 211)
+  %t550 = load { ptr, i64, i64 }, ptr %a539
+  store { ptr, i64, i64 } { ptr @.str.485, i64 22, i64 0 }, ptr %a552
+  store { ptr, i64, i64 } %t550, ptr %a553
+  call void @finch_str_concat(ptr %a551, ptr %a552, ptr %a553)
+  store { ptr, i64, i64 } %t550, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  %t555 = load { ptr, i64, i64 }, ptr %a551
+  store { ptr, i64, i64 } %t555, ptr %a557
+  store { ptr, i64, i64 } { ptr @.str.493, i64 1, i64 0 }, ptr %a558
+  call void @finch_str_concat(ptr %a556, ptr %a557, ptr %a558)
+  store { ptr, i64, i64 } %t555, ptr %a559
+  call void @finch_str_drop(ptr %a559)
+  %t560 = load { ptr, i64, i64 }, ptr %a556
+  %t561 = load { ptr, i64, i64 }, ptr %a523
+  store { ptr, i64, i64 } %t560, ptr %a563
+  store { ptr, i64, i64 } %t561, ptr %a564
+  call void @finch_str_concat(ptr %a562, ptr %a563, ptr %a564)
+  store { ptr, i64, i64 } %t560, ptr %a565
+  call void @finch_str_drop(ptr %a565)
+  %t566 = load { ptr, i64, i64 }, ptr %a562
+  call void @finch.lexer.fail(ptr %t529, i64 %t531, i64 %t533, { ptr, i64, i64 } %t566)
+  store { ptr, i64, i64 } %t566, ptr %a567
+  call void @finch_str_drop(ptr %a567)
+  call void @finch_str_drop(ptr %a523)
+  br label %endif890
+endif890:
+  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %a506, i32 0, i32 1
+  %t569 = load i64, ptr %t568
+  store i64 0, ptr %a570
+  br label %for.cond909
+for.cond909:
+  %t571 = load i64, ptr %a570
+  %t572 = icmp slt i64 %t571, %t569
+  br i1 %t572, label %for.body910, label %for.end912
+for.body910:
+  %t573 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t573)
+  br label %for.step911
+for.step911:
+  %t574 = load i64, ptr %a570
+  %t575 = add i64 %t574, 1
+  store i64 %t575, ptr %a570
+  br label %for.cond909
+for.end912:
+  %t576 = load { ptr, i64, i64 }, ptr %a506
+  %t577 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  store { ptr, i64, i64 } %t576, ptr %a578
+  call void @finch_str_copy(ptr %a579, ptr %a578)
+  %t580 = load { ptr, i64, i64 }, ptr %a579
+  %t581 = load { ptr, i64, i64 }, ptr %t577
+  store { ptr, i64, i64 } %t580, ptr %t577
+  store { ptr, i64, i64 } %t581, ptr %a582
+  call void @finch_str_drop(ptr %a582)
+  %t583 = load { ptr, i64, i64 }, ptr %a506
+  %t584 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  store { ptr, i64, i64 } %t583, ptr %a585
+  call void @finch_str_copy(ptr %a586, ptr %a585)
+  %t587 = load { ptr, i64, i64 }, ptr %a586
+  %t588 = load { ptr, i64, i64 }, ptr %t584
+  store { ptr, i64, i64 } %t587, ptr %t584
   store { ptr, i64, i64 } %t588, ptr %a589
-  call void @finch.copy.arr_S_lexer_Token(ptr %a590, ptr %a589)
-  %t591 = load { ptr, i64, i64 }, ptr %a590
-  ret { ptr, i64, i64 } %t591
+  call void @finch_str_drop(ptr %a589)
+  call void @finch_str_drop(ptr %a506)
+  br label %endif861
+endif861:
+  br label %endif751
+endif751:
+  br label %endif714
+endif714:
+  %t590 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
+  %t591 = load %S.lexer.Token, ptr %a169
+  store %S.lexer.Token %t591, ptr %a592
+  call void @finch.copy.S_lexer_Token(ptr %a593, ptr %a592)
+  %t594 = load %S.lexer.Token, ptr %a593
+  %t595 = load i64, ptr %t590
+  %t596 = add i64 %t595, 1
+  call void @finch_arr_reserve(ptr %a19, i64 %t596, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
+  %t597 = load ptr, ptr %a19
+  %t598 = getelementptr inbounds %S.lexer.Token, ptr %t597, i64 %t595
+  store %S.lexer.Token %t594, ptr %t598
+  store i64 %t596, ptr %t590
+  call void @finch.drop.S_lexer_Token(ptr %a169)
+  br label %while.cond611
+while.end613:
+  %t599 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
+  %t600 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.494, i64 3, i64 0 }, 0
+  %t601 = insertvalue %S.lexer.Token %t600, { ptr, i64, i64 } { ptr @.str.495, i64 0, i64 0 }, 1
+  %t602 = load ptr, ptr %a18
+  %t603 = icmp eq ptr %t602, null
+  br i1 %t603, label %panic913, label %ok914
+panic913:
+  call void @finch_panic(ptr @.str.496, i64 221, ptr @.str.497)
+  unreachable
+ok914:
+  %t604 = getelementptr inbounds %S.lexer.Lexer, ptr %t602, i32 0, i32 3
+  %t605 = load i64, ptr %t604
+  %t606 = insertvalue %S.lexer.Token %t601, i64 %t605, 2
+  %t607 = load ptr, ptr %a18
+  %t608 = icmp eq ptr %t607, null
+  br i1 %t608, label %panic915, label %ok916
+panic915:
+  call void @finch_panic(ptr @.str.498, i64 221, ptr @.str.499)
+  unreachable
+ok916:
+  %t609 = getelementptr inbounds %S.lexer.Lexer, ptr %t607, i32 0, i32 4
+  %t610 = load i64, ptr %t609
+  %t611 = insertvalue %S.lexer.Token %t606, i64 %t610, 3
+  %t612 = insertvalue %S.lexer.Token %t611, i1 true, 4
+  %t613 = load i64, ptr %t599
+  %t614 = add i64 %t613, 1
+  call void @finch_arr_reserve(ptr %a19, i64 %t614, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
+  %t615 = load ptr, ptr %a19
+  %t616 = getelementptr inbounds %S.lexer.Token, ptr %t615, i64 %t613
+  store %S.lexer.Token %t612, ptr %t616
+  store i64 %t614, ptr %t599
+  %t617 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.drop.S_lexer_Lexer(ptr %a17)
+  ret { ptr, i64, i64 } %t617
 }
 
 define internal %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } %p0) {
@@ -12772,10 +14311,8 @@ entry:
   %a3 = alloca %S.ast.Type, align 16
   %a7 = alloca %S.ast.Type, align 16
   %a8 = alloca %S.ast.Type, align 16
-  %a15 = alloca %S.ast.Type, align 16
-  %a16 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
-  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.491, i64 5, i64 0 }, 0
+  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.500, i64 5, i64 0 }, 0
   store %S.ast.Type %t2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
@@ -12791,10 +14328,7 @@ entry:
   store %S.ast.Type %t9, ptr %t13
   store i64 %t11, ptr %t5
   %t14 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t14, ptr %a15
-  call void @finch.copy.S_ast_Type(ptr %a16, ptr %a15)
-  %t17 = load %S.ast.Type, ptr %a16
-  ret %S.ast.Type %t17
+  ret %S.ast.Type %t14
 }
 
 define internal %S.ast.Type @finch.ast.mapOf(%S.ast.Type %p0, %S.ast.Type %p1) {
@@ -12806,11 +14340,9 @@ entry:
   %a9 = alloca %S.ast.Type, align 16
   %a18 = alloca %S.ast.Type, align 16
   %a19 = alloca %S.ast.Type, align 16
-  %a26 = alloca %S.ast.Type, align 16
-  %a27 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
-  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.492, i64 3, i64 0 }, 0
+  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.501, i64 3, i64 0 }, 0
   store %S.ast.Type %t3, ptr %a4
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
@@ -12839,10 +14371,7 @@ entry:
   store %S.ast.Type %t20, ptr %t24
   store i64 %t22, ptr %t16
   %t25 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t25, ptr %a26
-  call void @finch.copy.S_ast_Type(ptr %a27, ptr %a26)
-  %t28 = load %S.ast.Type, ptr %a27
-  ret %S.ast.Type %t28
+  ret %S.ast.Type %t25
 }
 
 define internal %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %p0) {
@@ -12851,10 +14380,8 @@ entry:
   %a3 = alloca %S.ast.Type, align 16
   %a7 = alloca %S.ast.Type, align 16
   %a8 = alloca %S.ast.Type, align 16
-  %a15 = alloca %S.ast.Type, align 16
-  %a16 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
-  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.493, i64 3, i64 0 }, 0
+  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.502, i64 3, i64 0 }, 0
   store %S.ast.Type %t2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
@@ -12870,10 +14397,7 @@ entry:
   store %S.ast.Type %t9, ptr %t13
   store i64 %t11, ptr %t5
   %t14 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t14, ptr %a15
-  call void @finch.copy.S_ast_Type(ptr %a16, ptr %a15)
-  %t17 = load %S.ast.Type, ptr %a16
-  ret %S.ast.Type %t17
+  ret %S.ast.Type %t14
 }
 
 define internal i1 @finch.ast.same(%S.ast.Type %p0, %S.ast.Type %p1) {
@@ -12913,48 +14437,48 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp eq i32 %t9, 0
-  br i1 %t10, label %then856, label %endif858
-then856:
+  br i1 %t10, label %then917, label %endif919
+then917:
   ret i1 false
-endif858:
+endif919:
   %t11 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.494, i64 6, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.503, i64 6, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from859
-logic.from859:
-  br i1 %t16, label %logic.end861, label %logic.rhs860
-logic.rhs860:
+  br label %logic.from920
+logic.from920:
+  br i1 %t16, label %logic.end922, label %logic.rhs921
+logic.rhs921:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.495, i64 5, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.504, i64 5, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.rend862
-logic.rend862:
-  br label %logic.end861
-logic.end861:
-  %t23 = phi i1 [ true, %logic.from859 ], [ %t22, %logic.rend862 ]
-  br label %logic.from863
-logic.from863:
-  br i1 %t23, label %logic.end865, label %logic.rhs864
-logic.rhs864:
+  br label %logic.rend923
+logic.rend923:
+  br label %logic.end922
+logic.end922:
+  %t23 = phi i1 [ true, %logic.from920 ], [ %t22, %logic.rend923 ]
+  br label %logic.from924
+logic.from924:
+  br i1 %t23, label %logic.end926, label %logic.rhs925
+logic.rhs925:
   %t24 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t25 = load { ptr, i64, i64 }, ptr %t24
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.496, i64 4, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.505, i64 4, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend866
-logic.rend866:
-  br label %logic.end865
-logic.end865:
-  %t30 = phi i1 [ true, %logic.from863 ], [ %t29, %logic.rend866 ]
-  br i1 %t30, label %then867, label %endif869
-then867:
+  br label %logic.rend927
+logic.rend927:
+  br label %logic.end926
+logic.end926:
+  %t30 = phi i1 [ true, %logic.from924 ], [ %t29, %logic.rend927 ]
+  br i1 %t30, label %then928, label %endif930
+then928:
   %t31 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
   %t32 = load { ptr, i64, i64 }, ptr %t31
   %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
@@ -12963,10 +14487,10 @@ then867:
   store { ptr, i64, i64 } %t34, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.from870
-logic.from870:
-  br i1 %t38, label %logic.rhs871, label %logic.end872
-logic.rhs871:
+  br label %logic.from931
+logic.from931:
+  br i1 %t38, label %logic.rhs932, label %logic.end933
+logic.rhs932:
   %t39 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
   %t40 = load { ptr, i64, i64 }, ptr %t39
   %t41 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
@@ -12975,90 +14499,90 @@ logic.rhs871:
   store { ptr, i64, i64 } %t42, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend873
-logic.rend873:
-  br label %logic.end872
-logic.end872:
-  %t47 = phi i1 [ false, %logic.from870 ], [ %t46, %logic.rend873 ]
+  br label %logic.rend934
+logic.rend934:
+  br label %logic.end933
+logic.end933:
+  %t47 = phi i1 [ false, %logic.from931 ], [ %t46, %logic.rend934 ]
   ret i1 %t47
-endif869:
+endif930:
   %t48 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t49 = load { ptr, i64, i64 }, ptr %t48
   store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.497, i64 5, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.506, i64 5, i64 0 }, ptr %a51
   %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
   %t53 = icmp ne i32 %t52, 0
-  br label %logic.from874
-logic.from874:
-  br i1 %t53, label %logic.rhs875, label %logic.end876
-logic.rhs875:
+  br label %logic.from935
+logic.from935:
+  br i1 %t53, label %logic.rhs936, label %logic.end937
+logic.rhs936:
   %t54 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 4
   %t55 = load i64, ptr %t54
   %t56 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
   %t57 = load i64, ptr %t56
   %t58 = icmp ne i64 %t55, %t57
-  br label %logic.rend877
-logic.rend877:
-  br label %logic.end876
-logic.end876:
-  %t59 = phi i1 [ false, %logic.from874 ], [ %t58, %logic.rend877 ]
-  br i1 %t59, label %then878, label %endif880
-then878:
+  br label %logic.rend938
+logic.rend938:
+  br label %logic.end937
+logic.end937:
+  %t59 = phi i1 [ false, %logic.from935 ], [ %t58, %logic.rend938 ]
+  br i1 %t59, label %then939, label %endif941
+then939:
   ret i1 false
-endif880:
+endif941:
   %t60 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t61 = load { ptr, i64, i64 }, ptr %t60
   store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.498, i64 5, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.507, i64 5, i64 0 }, ptr %a63
   %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
   %t65 = icmp ne i32 %t64, 0
-  br label %logic.from881
-logic.from881:
-  br i1 %t65, label %logic.end883, label %logic.rhs882
-logic.rhs882:
+  br label %logic.from942
+logic.from942:
+  br i1 %t65, label %logic.end944, label %logic.rhs943
+logic.rhs943:
   %t66 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t67 = load { ptr, i64, i64 }, ptr %t66
   store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.499, i64 3, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.508, i64 3, i64 0 }, ptr %a69
   %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
   %t71 = icmp ne i32 %t70, 0
-  br label %logic.rend884
-logic.rend884:
-  br label %logic.end883
-logic.end883:
-  %t72 = phi i1 [ true, %logic.from881 ], [ %t71, %logic.rend884 ]
-  br label %logic.from885
-logic.from885:
-  br i1 %t72, label %logic.end887, label %logic.rhs886
-logic.rhs886:
+  br label %logic.rend945
+logic.rend945:
+  br label %logic.end944
+logic.end944:
+  %t72 = phi i1 [ true, %logic.from942 ], [ %t71, %logic.rend945 ]
+  br label %logic.from946
+logic.from946:
+  br i1 %t72, label %logic.end948, label %logic.rhs947
+logic.rhs947:
   %t73 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t74 = load { ptr, i64, i64 }, ptr %t73
   store { ptr, i64, i64 } %t74, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.500, i64 3, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.509, i64 3, i64 0 }, ptr %a76
   %t77 = call i32 @finch_str_eq(ptr %a75, ptr %a76)
   %t78 = icmp ne i32 %t77, 0
-  br label %logic.rend888
-logic.rend888:
-  br label %logic.end887
-logic.end887:
-  %t79 = phi i1 [ true, %logic.from885 ], [ %t78, %logic.rend888 ]
-  br label %logic.from889
-logic.from889:
-  br i1 %t79, label %logic.end891, label %logic.rhs890
-logic.rhs890:
+  br label %logic.rend949
+logic.rend949:
+  br label %logic.end948
+logic.end948:
+  %t79 = phi i1 [ true, %logic.from946 ], [ %t78, %logic.rend949 ]
+  br label %logic.from950
+logic.from950:
+  br i1 %t79, label %logic.end952, label %logic.rhs951
+logic.rhs951:
   %t80 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t81 = load { ptr, i64, i64 }, ptr %t80
   store { ptr, i64, i64 } %t81, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.501, i64 5, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.510, i64 5, i64 0 }, ptr %a83
   %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
   %t85 = icmp ne i32 %t84, 0
-  br label %logic.rend892
-logic.rend892:
-  br label %logic.end891
-logic.end891:
-  %t86 = phi i1 [ true, %logic.from889 ], [ %t85, %logic.rend892 ]
-  br i1 %t86, label %then893, label %endif895
-then893:
+  br label %logic.rend953
+logic.rend953:
+  br label %logic.end952
+logic.end952:
+  %t86 = phi i1 [ true, %logic.from950 ], [ %t85, %logic.rend953 ]
+  br i1 %t86, label %then954, label %endif956
+then954:
   %t87 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
   %t89 = load i64, ptr %t88
@@ -13066,30 +14590,30 @@ then893:
   %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i32 0, i32 1
   %t92 = load i64, ptr %t91
   %t93 = icmp ne i64 %t89, %t92
-  br i1 %t93, label %then896, label %endif898
-then896:
+  br i1 %t93, label %then957, label %endif959
+then957:
   ret i1 false
-endif898:
+endif959:
   %t94 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
   %t96 = load i64, ptr %t95
   store i64 0, ptr %a97
-  br label %for.cond899
-for.cond899:
+  br label %for.cond960
+for.cond960:
   %t98 = load i64, ptr %a97
   %t99 = icmp slt i64 %t98, %t96
-  br i1 %t99, label %for.body900, label %for.end902
-for.body900:
+  br i1 %t99, label %for.body961, label %for.end963
+for.body961:
   %t100 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t101 = load i64, ptr %a97
   %t102 = load { ptr, i64, i64 }, ptr %t100
   %t103 = extractvalue { ptr, i64, i64 } %t102, 1
   %t104 = icmp uge i64 %t101, %t103
-  br i1 %t104, label %range903, label %inrange904
-range903:
-  call void @finch_panic_index(ptr @.str.502, i64 54, i64 %t101, i64 %t103)
+  br i1 %t104, label %range964, label %inrange965
+range964:
+  call void @finch_panic_index(ptr @.str.511, i64 54, i64 %t101, i64 %t103)
   unreachable
-inrange904:
+inrange965:
   %t105 = extractvalue { ptr, i64, i64 } %t102, 0
   %t106 = getelementptr inbounds %S.ast.Type, ptr %t105, i64 %t101
   %t107 = load %S.ast.Type, ptr %t106
@@ -13098,29 +14622,29 @@ inrange904:
   %t110 = load { ptr, i64, i64 }, ptr %t108
   %t111 = extractvalue { ptr, i64, i64 } %t110, 1
   %t112 = icmp uge i64 %t109, %t111
-  br i1 %t112, label %range905, label %inrange906
-range905:
-  call void @finch_panic_index(ptr @.str.503, i64 54, i64 %t109, i64 %t111)
+  br i1 %t112, label %range966, label %inrange967
+range966:
+  call void @finch_panic_index(ptr @.str.512, i64 54, i64 %t109, i64 %t111)
   unreachable
-inrange906:
+inrange967:
   %t113 = extractvalue { ptr, i64, i64 } %t110, 0
   %t114 = getelementptr inbounds %S.ast.Type, ptr %t113, i64 %t109
   %t115 = load %S.ast.Type, ptr %t114
   %t116 = call i1 @finch.ast.same(%S.ast.Type %t107, %S.ast.Type %t115)
   %t117 = xor i1 %t116, true
-  br i1 %t117, label %then907, label %endif909
-then907:
+  br i1 %t117, label %then968, label %endif970
+then968:
   ret i1 false
-endif909:
-  br label %for.step901
-for.step901:
+endif970:
+  br label %for.step962
+for.step962:
   %t118 = load i64, ptr %a97
   %t119 = add i64 %t118, 1
   store i64 %t119, ptr %a97
-  br label %for.cond899
-for.end902:
+  br label %for.cond960
+for.end963:
   ret i1 true
-endif895:
+endif956:
   ret i1 true
 }
 
@@ -13132,290 +14656,326 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   store %S.ast.Type %p0, ptr %a1
   %t2 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.504, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.513, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then910, label %endif912
-then910:
+  br i1 %t7, label %then971, label %endif973
+then971:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 0, %t10
-  br i1 %t11, label %range913, label %inrange914
-range913:
-  call void @finch_panic_index(ptr @.str.506, i64 65, i64 0, i64 %t10)
+  br i1 %t11, label %range974, label %inrange975
+range974:
+  call void @finch_panic_index(ptr @.str.515, i64 65, i64 0, i64 %t10)
   unreachable
-inrange914:
+inrange975:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.ast.Type, ptr %t12, i64 0
   %t14 = load %S.ast.Type, ptr %t13
   %t15 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t14)
-  store { ptr, i64, i64 } { ptr @.str.505, i64 2, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.514, i64 2, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  ret { ptr, i64, i64 } %t19
-endif912:
-  %t20 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t21 = load { ptr, i64, i64 }, ptr %t20
-  store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.507, i64 5, i64 0 }, ptr %a23
-  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
-  %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then915, label %endif917
-then915:
-  %t26 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 4
-  %t27 = load i64, ptr %t26
-  call void @finch_str_from_int(ptr %a28, i64 %t27)
-  %t29 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.508, i64 1, i64 0 }, ptr %a31
-  store { ptr, i64, i64 } %t29, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t33, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.509, i64 1, i64 0 }, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  %t38 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = icmp uge i64 0, %t40
-  br i1 %t41, label %range918, label %inrange919
-range918:
-  call void @finch_panic_index(ptr @.str.510, i64 68, i64 0, i64 %t40)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  ret { ptr, i64, i64 } %t20
+endif973:
+  %t21 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t22 = load { ptr, i64, i64 }, ptr %t21
+  store { ptr, i64, i64 } %t22, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.516, i64 5, i64 0 }, ptr %a24
+  %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
+  %t26 = icmp ne i32 %t25, 0
+  br i1 %t26, label %then976, label %endif978
+then976:
+  %t27 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 4
+  %t28 = load i64, ptr %t27
+  call void @finch_str_from_int(ptr %a29, i64 %t28)
+  %t30 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.517, i64 1, i64 0 }, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.518, i64 1, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
+  %t44 = icmp uge i64 0, %t43
+  br i1 %t44, label %range979, label %inrange980
+range979:
+  call void @finch_panic_index(ptr @.str.519, i64 68, i64 0, i64 %t43)
   unreachable
-inrange919:
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = getelementptr inbounds %S.ast.Type, ptr %t42, i64 0
-  %t44 = load %S.ast.Type, ptr %t43
-  %t45 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t44)
-  store { ptr, i64, i64 } %t37, ptr %a47
-  store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  ret { ptr, i64, i64 } %t49
-endif917:
-  %t50 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t51 = load { ptr, i64, i64 }, ptr %t50
-  store { ptr, i64, i64 } %t51, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.511, i64 3, i64 0 }, ptr %a53
-  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
-  %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %then920, label %endif922
-then920:
-  %t56 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t57 = load { ptr, i64, i64 }, ptr %t56
-  %t58 = extractvalue { ptr, i64, i64 } %t57, 1
-  %t59 = icmp uge i64 0, %t58
-  br i1 %t59, label %range923, label %inrange924
-range923:
-  call void @finch_panic_index(ptr @.str.513, i64 71, i64 0, i64 %t58)
+inrange980:
+  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
+  %t46 = getelementptr inbounds %S.ast.Type, ptr %t45, i64 0
+  %t47 = load %S.ast.Type, ptr %t46
+  %t48 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t47)
+  store { ptr, i64, i64 } %t40, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t40, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  ret { ptr, i64, i64 } %t54
+endif978:
+  %t55 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t56 = load { ptr, i64, i64 }, ptr %t55
+  store { ptr, i64, i64 } %t56, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.520, i64 3, i64 0 }, ptr %a58
+  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
+  %t60 = icmp ne i32 %t59, 0
+  br i1 %t60, label %then981, label %endif983
+then981:
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  %t63 = extractvalue { ptr, i64, i64 } %t62, 1
+  %t64 = icmp uge i64 0, %t63
+  br i1 %t64, label %range984, label %inrange985
+range984:
+  call void @finch_panic_index(ptr @.str.522, i64 71, i64 0, i64 %t63)
   unreachable
-inrange924:
-  %t60 = extractvalue { ptr, i64, i64 } %t57, 0
-  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i64 0
-  %t62 = load %S.ast.Type, ptr %t61
-  %t63 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t62)
-  store { ptr, i64, i64 } { ptr @.str.512, i64 4, i64 0 }, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.514, i64 1, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
-  %t75 = icmp uge i64 1, %t74
-  br i1 %t75, label %range925, label %inrange926
-range925:
-  call void @finch_panic_index(ptr @.str.515, i64 71, i64 1, i64 %t74)
+inrange985:
+  %t65 = extractvalue { ptr, i64, i64 } %t62, 0
+  %t66 = getelementptr inbounds %S.ast.Type, ptr %t65, i64 0
+  %t67 = load %S.ast.Type, ptr %t66
+  %t68 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t67)
+  store { ptr, i64, i64 } { ptr @.str.521, i64 4, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t73, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.523, i64 1, i64 0 }, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  %t81 = extractvalue { ptr, i64, i64 } %t80, 1
+  %t82 = icmp uge i64 1, %t81
+  br i1 %t82, label %range986, label %inrange987
+range986:
+  call void @finch_panic_index(ptr @.str.524, i64 71, i64 1, i64 %t81)
   unreachable
-inrange926:
-  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
-  %t77 = getelementptr inbounds %S.ast.Type, ptr %t76, i64 1
-  %t78 = load %S.ast.Type, ptr %t77
-  %t79 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t78)
-  store { ptr, i64, i64 } %t71, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  ret { ptr, i64, i64 } %t83
-endif922:
-  %t84 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } %t85, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.516, i64 3, i64 0 }, ptr %a87
-  %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
-  %t89 = icmp ne i32 %t88, 0
-  br i1 %t89, label %then927, label %endif929
-then927:
-  %t90 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i32 0, i32 1
-  %t92 = load i64, ptr %t91
-  %t93 = icmp eq i64 %t92, 0
-  br i1 %t93, label %then930, label %endif932
-then930:
-  ret { ptr, i64, i64 } { ptr @.str.517, i64 3, i64 0 }
-endif932:
-  %t94 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
-  %t97 = icmp uge i64 0, %t96
-  br i1 %t97, label %range933, label %inrange934
-range933:
-  call void @finch_panic_index(ptr @.str.519, i64 77, i64 0, i64 %t96)
+inrange987:
+  %t83 = extractvalue { ptr, i64, i64 } %t80, 0
+  %t84 = getelementptr inbounds %S.ast.Type, ptr %t83, i64 1
+  %t85 = load %S.ast.Type, ptr %t84
+  %t86 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t85)
+  store { ptr, i64, i64 } %t78, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t78, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  store { ptr, i64, i64 } %t86, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a87
+  ret { ptr, i64, i64 } %t92
+endif983:
+  %t93 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t94 = load { ptr, i64, i64 }, ptr %t93
+  store { ptr, i64, i64 } %t94, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.525, i64 3, i64 0 }, ptr %a96
+  %t97 = call i32 @finch_str_eq(ptr %a95, ptr %a96)
+  %t98 = icmp ne i32 %t97, 0
+  br i1 %t98, label %then988, label %endif990
+then988:
+  %t99 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i32 0, i32 1
+  %t101 = load i64, ptr %t100
+  %t102 = icmp eq i64 %t101, 0
+  br i1 %t102, label %then991, label %endif993
+then991:
+  ret { ptr, i64, i64 } { ptr @.str.526, i64 3, i64 0 }
+endif993:
+  %t103 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  %t105 = extractvalue { ptr, i64, i64 } %t104, 1
+  %t106 = icmp uge i64 0, %t105
+  br i1 %t106, label %range994, label %inrange995
+range994:
+  call void @finch_panic_index(ptr @.str.528, i64 77, i64 0, i64 %t105)
   unreachable
-inrange934:
-  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
-  %t99 = getelementptr inbounds %S.ast.Type, ptr %t98, i64 0
-  %t100 = load %S.ast.Type, ptr %t99
-  %t101 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t100)
-  store { ptr, i64, i64 } { ptr @.str.518, i64 4, i64 0 }, ptr %a103
-  store { ptr, i64, i64 } %t101, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t105, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.520, i64 1, i64 0 }, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  ret { ptr, i64, i64 } %t109
-endif929:
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.521, i64 6, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br label %logic.from935
-logic.from935:
-  br i1 %t115, label %logic.end937, label %logic.rhs936
-logic.rhs936:
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.522, i64 5, i64 0 }, ptr %a119
-  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
-  %t121 = icmp ne i32 %t120, 0
-  br label %logic.rend938
-logic.rend938:
-  br label %logic.end937
-logic.end937:
-  %t122 = phi i1 [ true, %logic.from935 ], [ %t121, %logic.rend938 ]
-  br label %logic.from939
-logic.from939:
-  br i1 %t122, label %logic.end941, label %logic.rhs940
-logic.rhs940:
-  %t123 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t124 = load { ptr, i64, i64 }, ptr %t123
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.523, i64 4, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br label %logic.rend942
-logic.rend942:
-  br label %logic.end941
-logic.end941:
-  %t129 = phi i1 [ true, %logic.from939 ], [ %t128, %logic.rend942 ]
-  br i1 %t129, label %then943, label %endif945
-then943:
-  %t130 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  %t133 = icmp sgt i64 %t132, 0
-  br i1 %t133, label %then946, label %endif948
-then946:
-  %t134 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+inrange995:
+  %t107 = extractvalue { ptr, i64, i64 } %t104, 0
+  %t108 = getelementptr inbounds %S.ast.Type, ptr %t107, i64 0
+  %t109 = load %S.ast.Type, ptr %t108
+  %t110 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t109)
+  store { ptr, i64, i64 } { ptr @.str.527, i64 4, i64 0 }, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t110, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  store { ptr, i64, i64 } %t115, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.529, i64 1, i64 0 }, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a116
+  ret { ptr, i64, i64 } %t120
+endif990:
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t122, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.530, i64 6, i64 0 }, ptr %a124
+  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
+  %t126 = icmp ne i32 %t125, 0
+  br label %logic.from996
+logic.from996:
+  br i1 %t126, label %logic.end998, label %logic.rhs997
+logic.rhs997:
+  %t127 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a129
+  store { ptr, i64, i64 } { ptr @.str.531, i64 5, i64 0 }, ptr %a130
+  %t131 = call i32 @finch_str_eq(ptr %a129, ptr %a130)
+  %t132 = icmp ne i32 %t131, 0
+  br label %logic.rend999
+logic.rend999:
+  br label %logic.end998
+logic.end998:
+  %t133 = phi i1 [ true, %logic.from996 ], [ %t132, %logic.rend999 ]
+  br label %logic.from1000
+logic.from1000:
+  br i1 %t133, label %logic.end1002, label %logic.rhs1001
+logic.rhs1001:
+  %t134 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t135 = load { ptr, i64, i64 }, ptr %t134
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.524, i64 1, i64 0 }, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t139, ptr %a143
-  store { ptr, i64, i64 } %t141, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  ret { ptr, i64, i64 } %t145
-endif948:
-  %t146 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t147 = load { ptr, i64, i64 }, ptr %t146
-  store { ptr, i64, i64 } %t147, ptr %a148
-  call void @finch_str_copy(ptr %a149, ptr %a148)
-  %t150 = load { ptr, i64, i64 }, ptr %a149
-  ret { ptr, i64, i64 } %t150
-endif945:
-  %t151 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  store { ptr, i64, i64 } %t135, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.532, i64 4, i64 0 }, ptr %a137
+  %t138 = call i32 @finch_str_eq(ptr %a136, ptr %a137)
+  %t139 = icmp ne i32 %t138, 0
+  br label %logic.rend1003
+logic.rend1003:
+  br label %logic.end1002
+logic.end1002:
+  %t140 = phi i1 [ true, %logic.from1000 ], [ %t139, %logic.rend1003 ]
+  br i1 %t140, label %then1004, label %endif1006
+then1004:
+  %t141 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i32 0, i32 1
+  %t143 = load i64, ptr %t142
+  %t144 = icmp sgt i64 %t143, 0
+  br i1 %t144, label %then1007, label %endif1009
+then1007:
+  %t145 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t146 = load { ptr, i64, i64 }, ptr %t145
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.533, i64 1, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a147
+  %t151 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
   %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.525, i64 4, i64 0 }, ptr %a154
-  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
-  %t156 = icmp ne i32 %t155, 0
-  br i1 %t156, label %then949, label %endif951
-then949:
-  ret { ptr, i64, i64 } { ptr @.str.526, i64 7, i64 0 }
-endif951:
-  %t157 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t158 = load { ptr, i64, i64 }, ptr %t157
-  store { ptr, i64, i64 } %t158, ptr %a159
-  call void @finch_str_copy(ptr %a160, ptr %a159)
-  %t161 = load { ptr, i64, i64 }, ptr %a160
-  ret { ptr, i64, i64 } %t161
+  store { ptr, i64, i64 } %t150, ptr %a154
+  store { ptr, i64, i64 } %t152, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t150, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  ret { ptr, i64, i64 } %t157
+endif1009:
+  %t158 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t159, ptr %a160
+  call void @finch_str_copy(ptr %a161, ptr %a160)
+  %t162 = load { ptr, i64, i64 }, ptr %a161
+  ret { ptr, i64, i64 } %t162
+endif1006:
+  %t163 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t164 = load { ptr, i64, i64 }, ptr %t163
+  store { ptr, i64, i64 } %t164, ptr %a165
+  store { ptr, i64, i64 } { ptr @.str.534, i64 4, i64 0 }, ptr %a166
+  %t167 = call i32 @finch_str_eq(ptr %a165, ptr %a166)
+  %t168 = icmp ne i32 %t167, 0
+  br i1 %t168, label %then1010, label %endif1012
+then1010:
+  ret { ptr, i64, i64 } { ptr @.str.535, i64 7, i64 0 }
+endif1012:
+  %t169 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_copy(ptr %a172, ptr %a171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  ret { ptr, i64, i64 } %t173
 }
 
 define internal void @finch.parser.fail(ptr %p0, %S.lexer.Token %p1, { ptr, i64, i64 } %p2) {
@@ -13430,33 +14990,41 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.lexer.Token %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic952, label %ok953
-panic952:
-  call void @finch_panic(ptr @.str.527, i64 14, ptr @.str.528)
+  br i1 %t5, label %panic1013, label %ok1014
+panic1013:
+  call void @finch_panic(ptr @.str.536, i64 14, ptr @.str.537)
   unreachable
-ok953:
+ok1014:
   %t6 = getelementptr inbounds %S.parser.Parser, ptr %t4, i32 0, i32 4
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.529, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.538, i64 1, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   %t12 = getelementptr inbounds %S.lexer.Token, ptr %a2, i32 0, i32 2
@@ -13466,38 +15034,54 @@ ok953:
   store { ptr, i64, i64 } %t11, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.530, i64 1, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = getelementptr inbounds %S.lexer.Token, ptr %a2, i32 0, i32 3
-  %t25 = load i64, ptr %t24
-  call void @finch_str_from_int(ptr %a26, i64 %t25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t23, ptr %a29
-  store { ptr, i64, i64 } %t27, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.531, i64 9, i64 0 }, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t35, ptr %a38
-  store { ptr, i64, i64 } %t36, ptr %a39
+  store { ptr, i64, i64 } %t11, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.539, i64 1, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = getelementptr inbounds %S.lexer.Token, ptr %a2, i32 0, i32 3
+  %t28 = load i64, ptr %t27
+  call void @finch_str_from_int(ptr %a29, i64 %t28)
+  %t30 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } %t26, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t26, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  store { ptr, i64, i64 } %t30, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t36, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.540, i64 9, i64 0 }, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = trunc i64 %t41 to i32
-  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
-  %t44 = icmp eq ptr %t43, null
-  %t45 = select i1 %t44, ptr @.str.532, ptr %t43
-  %t46 = call i32 (ptr, ...) @printf(ptr @.str.533, i32 %t42, ptr %t45)
-  %t47 = call i32 (ptr, ...) @printf(ptr @.str.534)
-  %t48 = trunc i64 1 to i32
-  %t49 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t48)
+  store { ptr, i64, i64 } %t36, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  %t42 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t41, ptr %a44
+  store { ptr, i64, i64 } %t42, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = extractvalue { ptr, i64, i64 } %t47, 1
+  %t49 = trunc i64 %t48 to i32
+  %t50 = extractvalue { ptr, i64, i64 } %t47, 0
+  %t51 = icmp eq ptr %t50, null
+  %t52 = select i1 %t51, ptr @.str.541, ptr %t50
+  %t53 = call i32 (ptr, ...) @printf(ptr @.str.542, i32 %t49, ptr %t52)
+  store { ptr, i64, i64 } %t47, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = call i32 (ptr, ...) @printf(ptr @.str.543)
+  %t56 = trunc i64 1 to i32
+  %t57 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t56)
   ret void
 }
 
@@ -13509,29 +15093,29 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic954, label %ok955
-panic954:
-  call void @finch_panic(ptr @.str.535, i64 19, ptr @.str.536)
+  br i1 %t3, label %panic1015, label %ok1016
+panic1015:
+  call void @finch_panic(ptr @.str.544, i64 19, ptr @.str.545)
   unreachable
-ok955:
+ok1016:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic956, label %ok957
-panic956:
-  call void @finch_panic(ptr @.str.537, i64 19, ptr @.str.538)
+  br i1 %t6, label %panic1017, label %ok1018
+panic1017:
+  call void @finch_panic(ptr @.str.546, i64 19, ptr @.str.547)
   unreachable
-ok957:
+ok1018:
   %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range958, label %inrange959
-range958:
-  call void @finch_panic_index(ptr @.str.539, i64 19, i64 %t8, i64 %t10)
+  br i1 %t11, label %range1019, label %inrange1020
+range1019:
+  call void @finch_panic_index(ptr @.str.548, i64 19, i64 %t8, i64 %t10)
   unreachable
-inrange959:
+inrange1020:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.lexer.Token, ptr %t12, i64 %t8
   %t14 = load %S.lexer.Token, ptr %t13
@@ -13549,29 +15133,29 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic960, label %ok961
-panic960:
-  call void @finch_panic(ptr @.str.540, i64 23, ptr @.str.541)
+  br i1 %t3, label %panic1021, label %ok1022
+panic1021:
+  call void @finch_panic(ptr @.str.549, i64 23, ptr @.str.550)
   unreachable
-ok961:
+ok1022:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic962, label %ok963
-panic962:
-  call void @finch_panic(ptr @.str.542, i64 23, ptr @.str.543)
+  br i1 %t6, label %panic1023, label %ok1024
+panic1023:
+  call void @finch_panic(ptr @.str.551, i64 23, ptr @.str.552)
   unreachable
-ok963:
+ok1024:
   %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range964, label %inrange965
-range964:
-  call void @finch_panic_index(ptr @.str.544, i64 23, i64 %t8, i64 %t10)
+  br i1 %t11, label %range1025, label %inrange1026
+range1025:
+  call void @finch_panic_index(ptr @.str.553, i64 23, i64 %t8, i64 %t10)
   unreachable
-inrange965:
+inrange1026:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.lexer.Token, ptr %t12, i64 %t8
   %t14 = getelementptr inbounds %S.lexer.Token, ptr %t13, i32 0, i32 0
@@ -13593,11 +15177,11 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic966, label %ok967
-panic966:
-  call void @finch_panic(ptr @.str.545, i64 27, ptr @.str.546)
+  br i1 %t4, label %panic1027, label %ok1028
+panic1027:
+  call void @finch_panic(ptr @.str.554, i64 27, ptr @.str.555)
   unreachable
-ok967:
+ok1028:
   %t5 = getelementptr inbounds %S.parser.Parser, ptr %t3, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = load i64, ptr %a2
@@ -13606,48 +15190,48 @@ ok967:
   %t10 = load i64, ptr %a9
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic968, label %ok969
-panic968:
-  call void @finch_panic(ptr @.str.547, i64 28, ptr @.str.548)
+  br i1 %t12, label %panic1029, label %ok1030
+panic1029:
+  call void @finch_panic(ptr @.str.556, i64 28, ptr @.str.557)
   unreachable
-ok969:
+ok1030:
   %t13 = getelementptr inbounds %S.parser.Parser, ptr %t11, i32 0, i32 0
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = icmp sge i64 %t10, %t15
-  br i1 %t16, label %then970, label %endif972
-then970:
+  br i1 %t16, label %then1031, label %endif1033
+then1031:
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic973, label %ok974
-panic973:
-  call void @finch_panic(ptr @.str.549, i64 29, ptr @.str.550)
+  br i1 %t18, label %panic1034, label %ok1035
+panic1034:
+  call void @finch_panic(ptr @.str.558, i64 29, ptr @.str.559)
   unreachable
-ok974:
+ok1035:
   %t19 = getelementptr inbounds %S.parser.Parser, ptr %t17, i32 0, i32 0
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t19, i32 0, i32 1
   %t21 = load i64, ptr %t20
   %t22 = sub i64 %t21, 1
   store i64 %t22, ptr %a9
-  br label %endif972
-endif972:
+  br label %endif1033
+endif1033:
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic975, label %ok976
-panic975:
-  call void @finch_panic(ptr @.str.551, i64 31, ptr @.str.552)
+  br i1 %t24, label %panic1036, label %ok1037
+panic1036:
+  call void @finch_panic(ptr @.str.560, i64 31, ptr @.str.561)
   unreachable
-ok976:
+ok1037:
   %t25 = getelementptr inbounds %S.parser.Parser, ptr %t23, i32 0, i32 0
   %t26 = load i64, ptr %a9
   %t27 = load { ptr, i64, i64 }, ptr %t25
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 %t26, %t28
-  br i1 %t29, label %range977, label %inrange978
-range977:
-  call void @finch_panic_index(ptr @.str.553, i64 31, i64 %t26, i64 %t28)
+  br i1 %t29, label %range1038, label %inrange1039
+range1038:
+  call void @finch_panic_index(ptr @.str.562, i64 31, i64 %t26, i64 %t28)
   unreachable
-inrange978:
+inrange1039:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.lexer.Token, ptr %t30, i64 %t26
   %t32 = getelementptr inbounds %S.lexer.Token, ptr %t31, i32 0, i32 0
@@ -13668,29 +15252,29 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic979, label %ok980
-panic979:
-  call void @finch_panic(ptr @.str.554, i64 35, ptr @.str.555)
+  br i1 %t4, label %panic1040, label %ok1041
+panic1040:
+  call void @finch_panic(ptr @.str.563, i64 35, ptr @.str.564)
   unreachable
-ok980:
+ok1041:
   %t5 = getelementptr inbounds %S.parser.Parser, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic981, label %ok982
-panic981:
-  call void @finch_panic(ptr @.str.556, i64 35, ptr @.str.557)
+  br i1 %t7, label %panic1042, label %ok1043
+panic1042:
+  call void @finch_panic(ptr @.str.565, i64 35, ptr @.str.566)
   unreachable
-ok982:
+ok1043:
   %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load { ptr, i64, i64 }, ptr %t5
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range983, label %inrange984
-range983:
-  call void @finch_panic_index(ptr @.str.558, i64 35, i64 %t9, i64 %t11)
+  br i1 %t12, label %range1044, label %inrange1045
+range1044:
+  call void @finch_panic_index(ptr @.str.567, i64 35, i64 %t9, i64 %t11)
   unreachable
-inrange984:
+inrange1045:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.lexer.Token, ptr %t13, i64 %t9
   %t15 = getelementptr inbounds %S.lexer.Token, ptr %t14, i32 0, i32 0
@@ -13709,34 +15293,32 @@ entry:
   %a15 = alloca %S.lexer.Token, align 16
   %a16 = alloca %S.lexer.Token, align 16
   %a18 = alloca %S.lexer.Token, align 16
-  %a25 = alloca %S.lexer.Token, align 16
-  %a26 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic985, label %ok986
-panic985:
-  call void @finch_panic(ptr @.str.559, i64 39, ptr @.str.560)
+  br i1 %t3, label %panic1046, label %ok1047
+panic1046:
+  call void @finch_panic(ptr @.str.568, i64 39, ptr @.str.569)
   unreachable
-ok986:
+ok1047:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic987, label %ok988
-panic987:
-  call void @finch_panic(ptr @.str.561, i64 39, ptr @.str.562)
+  br i1 %t6, label %panic1048, label %ok1049
+panic1048:
+  call void @finch_panic(ptr @.str.570, i64 39, ptr @.str.571)
   unreachable
-ok988:
+ok1049:
   %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range989, label %inrange990
-range989:
-  call void @finch_panic_index(ptr @.str.563, i64 39, i64 %t8, i64 %t10)
+  br i1 %t11, label %range1050, label %inrange1051
+range1050:
+  call void @finch_panic_index(ptr @.str.572, i64 39, i64 %t8, i64 %t10)
   unreachable
-inrange990:
+inrange1051:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.lexer.Token, ptr %t12, i64 %t8
   %t14 = load %S.lexer.Token, ptr %t13
@@ -13746,20 +15328,17 @@ inrange990:
   store %S.lexer.Token %t17, ptr %a18
   %t19 = load ptr, ptr %a1
   %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic991, label %ok992
-panic991:
-  call void @finch_panic(ptr @.str.564, i64 40, ptr @.str.565)
+  br i1 %t20, label %panic1052, label %ok1053
+panic1052:
+  call void @finch_panic(ptr @.str.573, i64 40, ptr @.str.574)
   unreachable
-ok992:
+ok1053:
   %t21 = getelementptr inbounds %S.parser.Parser, ptr %t19, i32 0, i32 1
   %t22 = load i64, ptr %t21
   %t23 = add i64 %t22, 1
   store i64 %t23, ptr %t21
   %t24 = load %S.lexer.Token, ptr %a18
-  store %S.lexer.Token %t24, ptr %a25
-  call void @finch.copy.S_lexer_Token(ptr %a26, ptr %a25)
-  %t27 = load %S.lexer.Token, ptr %a26
-  ret %S.lexer.Token %t27
+  ret %S.lexer.Token %t24
 }
 
 define internal i1 @finch.parser.accept(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -13771,21 +15350,21 @@ entry:
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = call i1 @finch.parser.at(ptr %t3, { ptr, i64, i64 } %t4)
-  br i1 %t5, label %then993, label %endif995
-then993:
+  br i1 %t5, label %then1054, label %endif1056
+then1054:
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic996, label %ok997
-panic996:
-  call void @finch_panic(ptr @.str.566, i64 46, ptr @.str.567)
+  br i1 %t7, label %panic1057, label %ok1058
+panic1057:
+  call void @finch_panic(ptr @.str.575, i64 46, ptr @.str.576)
   unreachable
-ok997:
+ok1058:
   %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = add i64 %t9, 1
   store i64 %t10, ptr %t8
   ret i1 true
-endif995:
+endif1056:
   ret i1 false
 }
 
@@ -13800,109 +15379,115 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   store %S.lexer.Token %p0, ptr %a1
   %t2 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.568, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.577, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then998, label %endif1000
-then998:
+  br i1 %t7, label %then1059, label %endif1061
+then1059:
   %t8 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
-  store { ptr, i64, i64 } { ptr @.str.569, i64 1, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.578, i64 1, i64 0 }, ptr %a11
   store { ptr, i64, i64 } %t9, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
   %t13 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t13, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.570, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.579, i64 1, i64 0 }, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  ret { ptr, i64, i64 } %t17
-endif1000:
-  %t18 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t19 = load { ptr, i64, i64 }, ptr %t18
-  store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.571, i64 3, i64 0 }, ptr %a21
-  %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
-  %t23 = icmp ne i32 %t22, 0
-  br i1 %t23, label %then1001, label %endif1003
-then1001:
-  ret { ptr, i64, i64 } { ptr @.str.572, i64 11, i64 0 }
-endif1003:
-  %t24 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t25 = load { ptr, i64, i64 }, ptr %t24
-  store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.573, i64 3, i64 0 }, ptr %a27
-  %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
-  %t29 = icmp ne i32 %t28, 0
-  br label %logic.from1004
-logic.from1004:
-  br i1 %t29, label %logic.end1006, label %logic.rhs1005
-logic.rhs1005:
-  %t30 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.574, i64 5, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br label %logic.rend1007
-logic.rend1007:
-  br label %logic.end1006
-logic.end1006:
-  %t36 = phi i1 [ true, %logic.from1004 ], [ %t35, %logic.rend1007 ]
-  br i1 %t36, label %then1008, label %endif1010
-then1008:
-  ret { ptr, i64, i64 } { ptr @.str.575, i64 8, i64 0 }
-endif1010:
-  %t37 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t38 = load { ptr, i64, i64 }, ptr %t37
-  store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.576, i64 6, i64 0 }, ptr %a40
-  %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
-  %t42 = icmp ne i32 %t41, 0
-  br i1 %t42, label %then1011, label %endif1013
-then1011:
-  ret { ptr, i64, i64 } { ptr @.str.577, i64 8, i64 0 }
-endif1013:
-  %t43 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.578, i64 4, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br i1 %t48, label %then1014, label %endif1016
-then1014:
-  ret { ptr, i64, i64 } { ptr @.str.579, i64 6, i64 0 }
-endif1016:
-  %t49 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t50 = load { ptr, i64, i64 }, ptr %t49
-  store { ptr, i64, i64 } { ptr @.str.580, i64 1, i64 0 }, ptr %a52
-  store { ptr, i64, i64 } %t50, ptr %a53
-  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
-  %t54 = load { ptr, i64, i64 }, ptr %a51
-  store { ptr, i64, i64 } %t54, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.581, i64 1, i64 0 }, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  ret { ptr, i64, i64 } %t58
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  ret { ptr, i64, i64 } %t18
+endif1061:
+  %t19 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t20 = load { ptr, i64, i64 }, ptr %t19
+  store { ptr, i64, i64 } %t20, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.580, i64 3, i64 0 }, ptr %a22
+  %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
+  %t24 = icmp ne i32 %t23, 0
+  br i1 %t24, label %then1062, label %endif1064
+then1062:
+  ret { ptr, i64, i64 } { ptr @.str.581, i64 11, i64 0 }
+endif1064:
+  %t25 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t26 = load { ptr, i64, i64 }, ptr %t25
+  store { ptr, i64, i64 } %t26, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.582, i64 3, i64 0 }, ptr %a28
+  %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
+  %t30 = icmp ne i32 %t29, 0
+  br label %logic.from1065
+logic.from1065:
+  br i1 %t30, label %logic.end1067, label %logic.rhs1066
+logic.rhs1066:
+  %t31 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t32, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.583, i64 5, i64 0 }, ptr %a34
+  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
+  %t36 = icmp ne i32 %t35, 0
+  br label %logic.rend1068
+logic.rend1068:
+  br label %logic.end1067
+logic.end1067:
+  %t37 = phi i1 [ true, %logic.from1065 ], [ %t36, %logic.rend1068 ]
+  br i1 %t37, label %then1069, label %endif1071
+then1069:
+  ret { ptr, i64, i64 } { ptr @.str.584, i64 8, i64 0 }
+endif1071:
+  %t38 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t39 = load { ptr, i64, i64 }, ptr %t38
+  store { ptr, i64, i64 } %t39, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.585, i64 6, i64 0 }, ptr %a41
+  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
+  %t43 = icmp ne i32 %t42, 0
+  br i1 %t43, label %then1072, label %endif1074
+then1072:
+  ret { ptr, i64, i64 } { ptr @.str.586, i64 8, i64 0 }
+endif1074:
+  %t44 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t45 = load { ptr, i64, i64 }, ptr %t44
+  store { ptr, i64, i64 } %t45, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.587, i64 4, i64 0 }, ptr %a47
+  %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
+  %t49 = icmp ne i32 %t48, 0
+  br i1 %t49, label %then1075, label %endif1077
+then1075:
+  ret { ptr, i64, i64 } { ptr @.str.588, i64 6, i64 0 }
+endif1077:
+  %t50 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t51 = load { ptr, i64, i64 }, ptr %t50
+  store { ptr, i64, i64 } { ptr @.str.589, i64 1, i64 0 }, ptr %a53
+  store { ptr, i64, i64 } %t51, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.590, i64 1, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  ret { ptr, i64, i64 } %t60
 }
 
 define internal %S.lexer.Token @finch.parser.expect(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
@@ -13916,9 +15501,15 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca %S.lexer.Token, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca %S.lexer.Token, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -13926,33 +15517,45 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %a2
   %t6 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } %t5)
   %t7 = xor i1 %t6, true
-  br i1 %t7, label %then1017, label %endif1019
-then1017:
+  br i1 %t7, label %then1078, label %endif1080
+then1078:
   %t8 = load ptr, ptr %a1
   %t9 = load ptr, ptr %a1
   %t10 = call %S.lexer.Token @finch.parser.cur(ptr %t9)
   %t11 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.582, i64 9, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.591, i64 9, i64 0 }, ptr %a13
   store { ptr, i64, i64 } %t11, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
   %t15 = load { ptr, i64, i64 }, ptr %a12
   store { ptr, i64, i64 } %t15, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.583, i64 8, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.592, i64 8, i64 0 }, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  %t20 = load ptr, ptr %a1
-  %t21 = call %S.lexer.Token @finch.parser.cur(ptr %t20)
-  %t22 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t21)
-  store { ptr, i64, i64 } %t19, ptr %a24
-  store { ptr, i64, i64 } %t22, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  call void @finch.parser.fail(ptr %t8, %S.lexer.Token %t10, { ptr, i64, i64 } %t26)
-  br label %endif1019
-endif1019:
-  %t27 = load ptr, ptr %a1
-  %t28 = call %S.lexer.Token @finch.parser.next(ptr %t27)
-  ret %S.lexer.Token %t28
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  %t21 = load ptr, ptr %a1
+  %t22 = call %S.lexer.Token @finch.parser.cur(ptr %t21)
+  %t23 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t22)
+  store %S.lexer.Token %t22, ptr %a24
+  call void @finch.drop.S_lexer_Token(ptr %a24)
+  store { ptr, i64, i64 } %t20, ptr %a26
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t20, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  store { ptr, i64, i64 } %t23, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.parser.fail(ptr %t8, %S.lexer.Token %t10, { ptr, i64, i64 } %t30)
+  store %S.lexer.Token %t10, ptr %a31
+  call void @finch.drop.S_lexer_Token(ptr %a31)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  br label %endif1080
+endif1080:
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.lexer.Token @finch.parser.next(ptr %t33)
+  ret %S.lexer.Token %t34
 }
 
 define internal i1 @finch.parser.sameLine(ptr %p0) {
@@ -13961,53 +15564,53 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic1020, label %ok1021
-panic1020:
-  call void @finch_panic(ptr @.str.584, i64 79, ptr @.str.585)
+  br i1 %t3, label %panic1081, label %ok1082
+panic1081:
+  call void @finch_panic(ptr @.str.593, i64 79, ptr @.str.594)
   unreachable
-ok1021:
+ok1082:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 2
   %t5 = load i64, ptr %t4
   %t6 = icmp sgt i64 %t5, 0
-  br label %logic.from1022
-logic.from1022:
-  br i1 %t6, label %logic.end1024, label %logic.rhs1023
-logic.rhs1023:
+  br label %logic.from1083
+logic.from1083:
+  br i1 %t6, label %logic.end1085, label %logic.rhs1084
+logic.rhs1084:
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic1025, label %ok1026
-panic1025:
-  call void @finch_panic(ptr @.str.586, i64 79, ptr @.str.587)
+  br i1 %t8, label %panic1086, label %ok1087
+panic1086:
+  call void @finch_panic(ptr @.str.595, i64 79, ptr @.str.596)
   unreachable
-ok1026:
+ok1087:
   %t9 = getelementptr inbounds %S.parser.Parser, ptr %t7, i32 0, i32 0
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic1027, label %ok1028
-panic1027:
-  call void @finch_panic(ptr @.str.588, i64 79, ptr @.str.589)
+  br i1 %t11, label %panic1088, label %ok1089
+panic1088:
+  call void @finch_panic(ptr @.str.597, i64 79, ptr @.str.598)
   unreachable
-ok1028:
+ok1089:
   %t12 = getelementptr inbounds %S.parser.Parser, ptr %t10, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = load { ptr, i64, i64 }, ptr %t9
   %t15 = extractvalue { ptr, i64, i64 } %t14, 1
   %t16 = icmp uge i64 %t13, %t15
-  br i1 %t16, label %range1029, label %inrange1030
-range1029:
-  call void @finch_panic_index(ptr @.str.590, i64 79, i64 %t13, i64 %t15)
+  br i1 %t16, label %range1090, label %inrange1091
+range1090:
+  call void @finch_panic_index(ptr @.str.599, i64 79, i64 %t13, i64 %t15)
   unreachable
-inrange1030:
+inrange1091:
   %t17 = extractvalue { ptr, i64, i64 } %t14, 0
   %t18 = getelementptr inbounds %S.lexer.Token, ptr %t17, i64 %t13
   %t19 = getelementptr inbounds %S.lexer.Token, ptr %t18, i32 0, i32 4
   %t20 = load i1, ptr %t19
   %t21 = xor i1 %t20, true
-  br label %logic.rend1031
-logic.rend1031:
-  br label %logic.end1024
-logic.end1024:
-  %t22 = phi i1 [ true, %logic.from1022 ], [ %t21, %logic.rend1031 ]
+  br label %logic.rend1092
+logic.rend1092:
+  br label %logic.end1085
+logic.end1085:
+  %t22 = phi i1 [ true, %logic.from1083 ], [ %t21, %logic.rend1092 ]
   ret i1 %t22
 }
 
@@ -14024,29 +15627,29 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic1032, label %ok1033
-panic1032:
-  call void @finch_panic(ptr @.str.591, i64 83, ptr @.str.592)
+  br i1 %t4, label %panic1093, label %ok1094
+panic1093:
+  call void @finch_panic(ptr @.str.600, i64 83, ptr @.str.601)
   unreachable
-ok1033:
+ok1094:
   %t5 = getelementptr inbounds %S.parser.Parser, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic1034, label %ok1035
-panic1034:
-  call void @finch_panic(ptr @.str.593, i64 83, ptr @.str.594)
+  br i1 %t7, label %panic1095, label %ok1096
+panic1095:
+  call void @finch_panic(ptr @.str.602, i64 83, ptr @.str.603)
   unreachable
-ok1035:
+ok1096:
   %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load { ptr, i64, i64 }, ptr %t5
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range1036, label %inrange1037
-range1036:
-  call void @finch_panic_index(ptr @.str.595, i64 83, i64 %t9, i64 %t11)
+  br i1 %t12, label %range1097, label %inrange1098
+range1097:
+  call void @finch_panic_index(ptr @.str.604, i64 83, i64 %t9, i64 %t11)
   unreachable
-inrange1037:
+inrange1098:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.lexer.Token, ptr %t13, i64 %t9
   %t15 = load %S.lexer.Token, ptr %t14
@@ -14067,14 +15670,15 @@ inrange1037:
   %t30 = insertvalue %S.ast.Node %t27, i64 %t29, 12
   %t31 = load ptr, ptr %a1
   %t32 = icmp eq ptr %t31, null
-  br i1 %t32, label %panic1038, label %ok1039
-panic1038:
-  call void @finch_panic(ptr @.str.596, i64 84, ptr @.str.597)
+  br i1 %t32, label %panic1099, label %ok1100
+panic1099:
+  call void @finch_panic(ptr @.str.605, i64 84, ptr @.str.606)
   unreachable
-ok1039:
+ok1100:
   %t33 = getelementptr inbounds %S.parser.Parser, ptr %t31, i32 0, i32 3
   %t34 = load i64, ptr %t33
   %t35 = insertvalue %S.ast.Node %t30, i64 %t34, 13
+  call void @finch.drop.S_lexer_Token(ptr %a19)
   ret %S.ast.Node %t35
 }
 
@@ -14090,37 +15694,37 @@ entry:
   %t2 = mul i64 16, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.598, i64 3, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.607, i64 3, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.599, i64 5, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.608, i64 5, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.600, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.609, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.601, i64 4, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.610, i64 4, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.602, i64 3, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.611, i64 3, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.603, i64 3, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.612, i64 3, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.604, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.613, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.605, i64 3, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.614, i64 3, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.606, i64 3, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.615, i64 3, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.607, i64 3, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.616, i64 3, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.608, i64 2, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.617, i64 2, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.609, i64 3, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.618, i64 3, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.610, i64 3, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.619, i64 3, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.611, i64 3, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.620, i64 3, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.612, i64 3, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.621, i64 3, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.613, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.622, i64 3, i64 0 }, ptr %t19
   %t20 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t21 = insertvalue { ptr, i64, i64 } %t20, i64 16, 1
   %t22 = insertvalue { ptr, i64, i64 } %t21, i64 16, 2
@@ -14131,305 +15735,376 @@ entry:
   %t27 = load i64, ptr %t24
   %t28 = load ptr, ptr %a23
   store i64 0, ptr %a29
-  br label %find.cond1040
-find.cond1040:
+  br label %find.cond1101
+find.cond1101:
   %t30 = load i64, ptr %a29
   %t31 = icmp slt i64 %t30, %t27
-  br i1 %t31, label %find.body1041, label %find.end1044
-find.body1041:
+  br i1 %t31, label %find.body1102, label %find.end1105
+find.body1102:
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t30
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
   store { ptr, i64, i64 } %t25, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %find.hit1042, label %find.next1043
-find.hit1042:
+  br i1 %t37, label %find.hit1103, label %find.next1104
+find.hit1103:
   store i64 %t30, ptr %a26
-  br label %find.end1044
-find.next1043:
+  br label %find.end1105
+find.next1104:
   %t38 = add i64 %t30, 1
   store i64 %t38, ptr %a29
-  br label %find.cond1040
-find.end1044:
+  br label %find.cond1101
+find.end1105:
   %t39 = load i64, ptr %a26
   %t40 = icmp sge i64 %t39, 0
+  call void @finch.drop.arr_str(ptr %a23)
   ret i1 %t40
 }
 
 define internal %S.ast.Type @finch.parser.parseType(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca %S.lexer.Token, align 16
+  %a10 = alloca %S.ast.Type, align 16
+  %a20 = alloca %S.lexer.Token, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca %S.lexer.Token, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca %S.ast.Type, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca %S.ast.Type, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca %S.ast.Type, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca %S.lexer.Token, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca %S.lexer.Token, align 16
+  %a54 = alloca %S.ast.Type, align 16
+  %a57 = alloca %S.lexer.Token, align 16
+  %a62 = alloca %S.ast.Type, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca %S.ast.Type, align 16
+  %a77 = alloca %S.ast.Type, align 16
+  %a80 = alloca %S.lexer.Token, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.ast.Type, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca %S.lexer.Token, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca %S.ast.Type, align 16
-  %a144 = alloca %S.ast.Type, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca %S.lexer.Token, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca %S.lexer.Token, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca %S.lexer.Token, align 16
+  %a165 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.accept(ptr %t2, { ptr, i64, i64 } { ptr @.str.614, i64 1, i64 0 })
-  br i1 %t3, label %then1045, label %endif1047
-then1045:
+  %t3 = call i1 @finch.parser.accept(ptr %t2, { ptr, i64, i64 } { ptr @.str.623, i64 1, i64 0 })
+  br i1 %t3, label %then1106, label %endif1108
+then1106:
   %t4 = load ptr, ptr %a1
-  %t5 = call %S.lexer.Token @finch.parser.expect(ptr %t4, { ptr, i64, i64 } { ptr @.str.615, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.616, i64 36, i64 0 })
-  %t6 = load ptr, ptr %a1
-  %t7 = call %S.ast.Type @finch.parser.parseType(ptr %t6)
-  %t8 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t7)
-  ret %S.ast.Type %t8
-endif1047:
-  %t9 = load ptr, ptr %a1
-  %t10 = call i1 @finch.parser.at(ptr %t9, { ptr, i64, i64 } { ptr @.str.617, i64 5, i64 0 })
-  %t11 = xor i1 %t10, true
-  br i1 %t11, label %then1048, label %endif1050
-then1048:
-  %t12 = load ptr, ptr %a1
-  %t13 = load ptr, ptr %a1
-  %t14 = call %S.lexer.Token @finch.parser.cur(ptr %t13)
+  %t5 = call %S.lexer.Token @finch.parser.expect(ptr %t4, { ptr, i64, i64 } { ptr @.str.624, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.625, i64 36, i64 0 })
+  store %S.lexer.Token %t5, ptr %a6
+  call void @finch.drop.S_lexer_Token(ptr %a6)
+  %t7 = load ptr, ptr %a1
+  %t8 = call %S.ast.Type @finch.parser.parseType(ptr %t7)
+  %t9 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t8)
+  store %S.ast.Type %t8, ptr %a10
+  call void @finch.drop.S_ast_Type(ptr %a10)
+  ret %S.ast.Type %t9
+endif1108:
+  %t11 = load ptr, ptr %a1
+  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.626, i64 5, i64 0 })
+  %t13 = xor i1 %t12, true
+  br i1 %t13, label %then1109, label %endif1111
+then1109:
+  %t14 = load ptr, ptr %a1
   %t15 = load ptr, ptr %a1
   %t16 = call %S.lexer.Token @finch.parser.cur(ptr %t15)
-  %t17 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t16)
-  store { ptr, i64, i64 } { ptr @.str.618, i64 11, i64 0 }, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.619, i64 56, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  call void @finch.parser.fail(ptr %t12, %S.lexer.Token %t14, { ptr, i64, i64 } %t25)
-  br label %endif1050
-endif1050:
-  %t26 = load ptr, ptr %a1
-  %t27 = call %S.lexer.Token @finch.parser.next(ptr %t26)
-  %t28 = extractvalue %S.lexer.Token %t27, 1
-  store { ptr, i64, i64 } %t28, ptr %a29
-  call void @finch_str_copy(ptr %a30, ptr %a29)
-  %t31 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  %t33 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.620, i64 3, i64 0 }, ptr %a35
-  %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
-  %t37 = icmp ne i32 %t36, 0
-  br label %logic.from1051
-logic.from1051:
-  br i1 %t37, label %logic.rhs1052, label %logic.end1053
-logic.rhs1052:
-  %t38 = load ptr, ptr %a1
-  %t39 = call i1 @finch.parser.at(ptr %t38, { ptr, i64, i64 } { ptr @.str.621, i64 1, i64 0 })
-  br label %logic.rend1054
-logic.rend1054:
-  br label %logic.end1053
-logic.end1053:
-  %t40 = phi i1 [ false, %logic.from1051 ], [ %t39, %logic.rend1054 ]
-  br i1 %t40, label %then1055, label %endif1057
-then1055:
-  %t41 = load ptr, ptr %a1
-  %t42 = call %S.lexer.Token @finch.parser.next(ptr %t41)
-  %t43 = load ptr, ptr %a1
-  %t44 = call %S.ast.Type @finch.parser.parseType(ptr %t43)
-  store %S.ast.Type %t44, ptr %a45
+  %t17 = load ptr, ptr %a1
+  %t18 = call %S.lexer.Token @finch.parser.cur(ptr %t17)
+  %t19 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t18)
+  store %S.lexer.Token %t18, ptr %a20
+  call void @finch.drop.S_lexer_Token(ptr %a20)
+  store { ptr, i64, i64 } { ptr @.str.627, i64 11, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  store { ptr, i64, i64 } %t19, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.628, i64 56, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  call void @finch.parser.fail(ptr %t14, %S.lexer.Token %t16, { ptr, i64, i64 } %t30)
+  store %S.lexer.Token %t16, ptr %a31
+  call void @finch.drop.S_lexer_Token(ptr %a31)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  br label %endif1111
+endif1111:
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.lexer.Token @finch.parser.next(ptr %t33)
+  %t35 = extractvalue %S.lexer.Token %t34, 1
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_copy(ptr %a37, ptr %a36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  store %S.lexer.Token %t34, ptr %a39
+  call void @finch.drop.S_lexer_Token(ptr %a39)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.629, i64 3, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.from1112
+logic.from1112:
+  br i1 %t45, label %logic.rhs1113, label %logic.end1114
+logic.rhs1113:
   %t46 = load ptr, ptr %a1
-  %t47 = call %S.lexer.Token @finch.parser.expect(ptr %t46, { ptr, i64, i64 } { ptr @.str.622, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.623, i64 39, i64 0 })
-  %t48 = load %S.ast.Type, ptr %a45
+  %t47 = call i1 @finch.parser.at(ptr %t46, { ptr, i64, i64 } { ptr @.str.630, i64 1, i64 0 })
+  br label %logic.rend1115
+logic.rend1115:
+  br label %logic.end1114
+logic.end1114:
+  %t48 = phi i1 [ false, %logic.from1112 ], [ %t47, %logic.rend1115 ]
+  br i1 %t48, label %then1116, label %endif1118
+then1116:
   %t49 = load ptr, ptr %a1
-  %t50 = call %S.ast.Type @finch.parser.parseType(ptr %t49)
-  %t51 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t48, %S.ast.Type %t50)
-  ret %S.ast.Type %t51
-endif1057:
-  %t52 = load { ptr, i64, i64 }, ptr %a32
-  %t53 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t52)
-  br i1 %t53, label %then1058, label %endif1060
-then1058:
-  %t54 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.624, i64 3, i64 0 }, ptr %a56
-  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
-  %t58 = icmp ne i32 %t57, 0
-  br label %logic.from1061
-logic.from1061:
-  br i1 %t58, label %logic.rhs1062, label %logic.end1063
-logic.rhs1062:
+  %t50 = call %S.lexer.Token @finch.parser.next(ptr %t49)
+  store %S.lexer.Token %t50, ptr %a51
+  call void @finch.drop.S_lexer_Token(ptr %a51)
+  %t52 = load ptr, ptr %a1
+  %t53 = call %S.ast.Type @finch.parser.parseType(ptr %t52)
+  store %S.ast.Type %t53, ptr %a54
+  %t55 = load ptr, ptr %a1
+  %t56 = call %S.lexer.Token @finch.parser.expect(ptr %t55, { ptr, i64, i64 } { ptr @.str.631, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.632, i64 39, i64 0 })
+  store %S.lexer.Token %t56, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  %t58 = load %S.ast.Type, ptr %a54
   %t59 = load ptr, ptr %a1
-  %t60 = call i1 @finch.parser.accept(ptr %t59, { ptr, i64, i64 } { ptr @.str.625, i64 1, i64 0 })
-  br label %logic.rend1064
-logic.rend1064:
-  br label %logic.end1063
-logic.end1063:
-  %t61 = phi i1 [ false, %logic.from1061 ], [ %t60, %logic.rend1064 ]
-  br i1 %t61, label %then1065, label %endif1067
-then1065:
-  %t62 = load ptr, ptr %a1
-  %t63 = call %S.ast.Type @finch.parser.parseType(ptr %t62)
-  %t64 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t63)
-  store %S.ast.Type %t64, ptr %a65
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.expect(ptr %t66, { ptr, i64, i64 } { ptr @.str.626, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.627, i64 3, i64 0 })
-  %t68 = load %S.ast.Type, ptr %a65
-  ret %S.ast.Type %t68
-endif1067:
-  %t69 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t69, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.628, i64 3, i64 0 }, ptr %a71
-  %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
-  %t73 = icmp ne i32 %t72, 0
-  br i1 %t73, label %then1068, label %endif1070
-then1068:
-  %t74 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.629, i64 3, i64 0 })
-  ret %S.ast.Type %t74
-endif1070:
-  %t75 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.630, i64 3, i64 0 }, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br i1 %t79, label %then1071, label %endif1073
-then1071:
-  %t80 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.631, i64 5, i64 0 })
-  ret %S.ast.Type %t80
-endif1073:
-  %t81 = load { ptr, i64, i64 }, ptr %a32
-  %t82 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } %t81)
-  ret %S.ast.Type %t82
-endif1060:
-  %t83 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.632, i64 5, i64 0 }, 0
-  %t84 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t84, ptr %a85
-  call void @finch_str_copy(ptr %a86, ptr %a85)
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  %t88 = insertvalue %S.ast.Type %t83, { ptr, i64, i64 } %t87, 2
-  store %S.ast.Type %t88, ptr %a89
-  %t90 = load ptr, ptr %a1
-  %t91 = call i1 @finch.parser.at(ptr %t90, { ptr, i64, i64 } { ptr @.str.633, i64 1, i64 0 })
-  br label %logic.from1074
-logic.from1074:
-  br i1 %t91, label %logic.rhs1075, label %logic.end1076
-logic.rhs1075:
-  %t92 = load ptr, ptr %a1
-  %t93 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t92, i64 1)
-  store { ptr, i64, i64 } %t93, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.634, i64 5, i64 0 }, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.rend1077
-logic.rend1077:
-  br label %logic.end1076
-logic.end1076:
-  %t98 = phi i1 [ false, %logic.from1074 ], [ %t97, %logic.rend1077 ]
-  br i1 %t98, label %then1078, label %endif1080
-then1078:
-  %t99 = load ptr, ptr %a1
-  %t100 = call %S.lexer.Token @finch.parser.next(ptr %t99)
-  %t101 = load { ptr, i64, i64 }, ptr %a32
-  %t102 = getelementptr inbounds %S.ast.Type, ptr %a89, i32 0, i32 3
-  store { ptr, i64, i64 } %t101, ptr %a103
-  call void @finch_str_copy(ptr %a104, ptr %a103)
-  %t105 = load { ptr, i64, i64 }, ptr %a104
-  store { ptr, i64, i64 } %t105, ptr %t102
-  %t106 = load ptr, ptr %a1
-  %t107 = call %S.lexer.Token @finch.parser.next(ptr %t106)
-  %t108 = extractvalue %S.lexer.Token %t107, 1
-  store { ptr, i64, i64 } %t108, ptr %a109
-  call void @finch_str_copy(ptr %a110, ptr %a109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  %t112 = getelementptr inbounds %S.ast.Type, ptr %a89, i32 0, i32 2
-  store { ptr, i64, i64 } %t111, ptr %t112
-  br label %endif1080
-endif1080:
+  %t60 = call %S.ast.Type @finch.parser.parseType(ptr %t59)
+  %t61 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t58, %S.ast.Type %t60)
+  store %S.ast.Type %t60, ptr %a62
+  call void @finch.drop.S_ast_Type(ptr %a62)
+  call void @finch.drop.S_ast_Type(ptr %a54)
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t61
+endif1118:
+  %t63 = load { ptr, i64, i64 }, ptr %a40
+  %t64 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t63)
+  br i1 %t64, label %then1119, label %endif1121
+then1119:
+  %t65 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t65, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.633, i64 3, i64 0 }, ptr %a67
+  %t68 = call i32 @finch_str_eq(ptr %a66, ptr %a67)
+  %t69 = icmp ne i32 %t68, 0
+  br label %logic.from1122
+logic.from1122:
+  br i1 %t69, label %logic.rhs1123, label %logic.end1124
+logic.rhs1123:
+  %t70 = load ptr, ptr %a1
+  %t71 = call i1 @finch.parser.accept(ptr %t70, { ptr, i64, i64 } { ptr @.str.634, i64 1, i64 0 })
+  br label %logic.rend1125
+logic.rend1125:
+  br label %logic.end1124
+logic.end1124:
+  %t72 = phi i1 [ false, %logic.from1122 ], [ %t71, %logic.rend1125 ]
+  br i1 %t72, label %then1126, label %endif1128
+then1126:
+  %t73 = load ptr, ptr %a1
+  %t74 = call %S.ast.Type @finch.parser.parseType(ptr %t73)
+  %t75 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t74)
+  store %S.ast.Type %t74, ptr %a76
+  call void @finch.drop.S_ast_Type(ptr %a76)
+  store %S.ast.Type %t75, ptr %a77
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.lexer.Token @finch.parser.expect(ptr %t78, { ptr, i64, i64 } { ptr @.str.635, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.636, i64 3, i64 0 })
+  store %S.lexer.Token %t79, ptr %a80
+  call void @finch.drop.S_lexer_Token(ptr %a80)
+  %t81 = load %S.ast.Type, ptr %a77
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t81
+endif1128:
+  %t82 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t82, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.637, i64 3, i64 0 }, ptr %a84
+  %t85 = call i32 @finch_str_eq(ptr %a83, ptr %a84)
+  %t86 = icmp ne i32 %t85, 0
+  br i1 %t86, label %then1129, label %endif1131
+then1129:
+  %t87 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.638, i64 3, i64 0 })
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t87
+endif1131:
+  %t88 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t88, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.639, i64 3, i64 0 }, ptr %a90
+  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
+  %t92 = icmp ne i32 %t91, 0
+  br i1 %t92, label %then1132, label %endif1134
+then1132:
+  %t93 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.640, i64 5, i64 0 })
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t93
+endif1134:
+  %t94 = load { ptr, i64, i64 }, ptr %a40
+  %t95 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } %t94)
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t95
+endif1121:
+  %t96 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.641, i64 5, i64 0 }, 0
+  %t97 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t97, ptr %a98
+  call void @finch_str_copy(ptr %a99, ptr %a98)
+  %t100 = load { ptr, i64, i64 }, ptr %a99
+  %t101 = insertvalue %S.ast.Type %t96, { ptr, i64, i64 } %t100, 2
+  store %S.ast.Type %t101, ptr %a102
+  %t103 = load ptr, ptr %a1
+  %t104 = call i1 @finch.parser.at(ptr %t103, { ptr, i64, i64 } { ptr @.str.642, i64 1, i64 0 })
+  br label %logic.from1135
+logic.from1135:
+  br i1 %t104, label %logic.rhs1136, label %logic.end1137
+logic.rhs1136:
+  %t105 = load ptr, ptr %a1
+  %t106 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t105, i64 1)
+  store { ptr, i64, i64 } %t106, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.643, i64 5, i64 0 }, ptr %a108
+  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
+  %t110 = icmp ne i32 %t109, 0
+  store { ptr, i64, i64 } %t106, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  br label %logic.rend1138
+logic.rend1138:
+  br label %logic.end1137
+logic.end1137:
+  %t112 = phi i1 [ false, %logic.from1135 ], [ %t110, %logic.rend1138 ]
+  br i1 %t112, label %then1139, label %endif1141
+then1139:
   %t113 = load ptr, ptr %a1
-  %t114 = call i1 @finch.parser.at(ptr %t113, { ptr, i64, i64 } { ptr @.str.635, i64 1, i64 0 })
-  br label %logic.from1081
-logic.from1081:
-  br i1 %t114, label %logic.rhs1082, label %logic.end1083
-logic.rhs1082:
-  %t115 = load ptr, ptr %a1
-  %t116 = call %S.lexer.Token @finch.parser.cur(ptr %t115)
-  %t117 = extractvalue %S.lexer.Token %t116, 4
-  %t118 = xor i1 %t117, true
-  br label %logic.rend1084
-logic.rend1084:
-  br label %logic.end1083
-logic.end1083:
-  %t119 = phi i1 [ false, %logic.from1081 ], [ %t118, %logic.rend1084 ]
-  br label %logic.from1085
-logic.from1085:
-  br i1 %t119, label %logic.rhs1086, label %logic.end1087
-logic.rhs1086:
-  %t120 = load ptr, ptr %a1
-  %t121 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t120, i64 1)
+  %t114 = call %S.lexer.Token @finch.parser.next(ptr %t113)
+  store %S.lexer.Token %t114, ptr %a115
+  call void @finch.drop.S_lexer_Token(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a40
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a102, i32 0, i32 3
+  store { ptr, i64, i64 } %t116, ptr %a118
+  call void @finch_str_copy(ptr %a119, ptr %a118)
+  %t120 = load { ptr, i64, i64 }, ptr %a119
+  %t121 = load { ptr, i64, i64 }, ptr %t117
+  store { ptr, i64, i64 } %t120, ptr %t117
   store { ptr, i64, i64 } %t121, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.636, i64 1, i64 0 }, ptr %a123
-  %t124 = call i32 @finch_str_eq(ptr %a122, ptr %a123)
-  %t125 = icmp eq i32 %t124, 0
-  br label %logic.rend1088
-logic.rend1088:
-  br label %logic.end1087
-logic.end1087:
-  %t126 = phi i1 [ false, %logic.from1085 ], [ %t125, %logic.rend1088 ]
-  br i1 %t126, label %then1089, label %endif1091
-then1089:
-  %t127 = load ptr, ptr %a1
-  %t128 = call %S.lexer.Token @finch.parser.next(ptr %t127)
-  br label %while.cond1092
-while.cond1092:
-  br label %while.body1093
-while.body1093:
-  %t129 = getelementptr inbounds %S.ast.Type, ptr %a89, i32 0, i32 1
-  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t129, i32 0, i32 1
-  %t131 = load ptr, ptr %a1
-  %t132 = call %S.ast.Type @finch.parser.parseType(ptr %t131)
-  %t133 = load i64, ptr %t130
-  %t134 = add i64 %t133, 1
-  call void @finch_arr_reserve(ptr %t129, i64 %t134, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t135 = load ptr, ptr %t129
-  %t136 = getelementptr inbounds %S.ast.Type, ptr %t135, i64 %t133
-  store %S.ast.Type %t132, ptr %t136
-  store i64 %t134, ptr %t130
-  %t137 = load ptr, ptr %a1
-  %t138 = call i1 @finch.parser.accept(ptr %t137, { ptr, i64, i64 } { ptr @.str.637, i64 1, i64 0 })
-  %t139 = xor i1 %t138, true
-  br i1 %t139, label %then1095, label %endif1097
-then1095:
-  br label %while.end1094
-endif1097:
-  br label %while.cond1092
-while.end1094:
-  %t140 = load ptr, ptr %a1
-  %t141 = call %S.lexer.Token @finch.parser.expect(ptr %t140, { ptr, i64, i64 } { ptr @.str.638, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.639, i64 28, i64 0 })
-  br label %endif1091
-endif1091:
-  %t142 = load %S.ast.Type, ptr %a89
-  store %S.ast.Type %t142, ptr %a143
-  call void @finch.copy.S_ast_Type(ptr %a144, ptr %a143)
-  %t145 = load %S.ast.Type, ptr %a144
-  ret %S.ast.Type %t145
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load ptr, ptr %a1
+  %t124 = call %S.lexer.Token @finch.parser.next(ptr %t123)
+  %t125 = extractvalue %S.lexer.Token %t124, 1
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_copy(ptr %a127, ptr %a126)
+  %t128 = load { ptr, i64, i64 }, ptr %a127
+  store %S.lexer.Token %t124, ptr %a129
+  call void @finch.drop.S_lexer_Token(ptr %a129)
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %a102, i32 0, i32 2
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t128, ptr %t130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  br label %endif1141
+endif1141:
+  %t133 = load ptr, ptr %a1
+  %t134 = call i1 @finch.parser.at(ptr %t133, { ptr, i64, i64 } { ptr @.str.644, i64 1, i64 0 })
+  br label %logic.from1142
+logic.from1142:
+  br i1 %t134, label %logic.rhs1143, label %logic.end1144
+logic.rhs1143:
+  %t135 = load ptr, ptr %a1
+  %t136 = call %S.lexer.Token @finch.parser.cur(ptr %t135)
+  %t137 = extractvalue %S.lexer.Token %t136, 4
+  store %S.lexer.Token %t136, ptr %a138
+  call void @finch.drop.S_lexer_Token(ptr %a138)
+  %t139 = xor i1 %t137, true
+  br label %logic.rend1145
+logic.rend1145:
+  br label %logic.end1144
+logic.end1144:
+  %t140 = phi i1 [ false, %logic.from1142 ], [ %t139, %logic.rend1145 ]
+  br label %logic.from1146
+logic.from1146:
+  br i1 %t140, label %logic.rhs1147, label %logic.end1148
+logic.rhs1147:
+  %t141 = load ptr, ptr %a1
+  %t142 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t141, i64 1)
+  store { ptr, i64, i64 } %t142, ptr %a143
+  store { ptr, i64, i64 } { ptr @.str.645, i64 1, i64 0 }, ptr %a144
+  %t145 = call i32 @finch_str_eq(ptr %a143, ptr %a144)
+  %t146 = icmp eq i32 %t145, 0
+  store { ptr, i64, i64 } %t142, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  br label %logic.rend1149
+logic.rend1149:
+  br label %logic.end1148
+logic.end1148:
+  %t148 = phi i1 [ false, %logic.from1146 ], [ %t146, %logic.rend1149 ]
+  br i1 %t148, label %then1150, label %endif1152
+then1150:
+  %t149 = load ptr, ptr %a1
+  %t150 = call %S.lexer.Token @finch.parser.next(ptr %t149)
+  store %S.lexer.Token %t150, ptr %a151
+  call void @finch.drop.S_lexer_Token(ptr %a151)
+  br label %while.cond1153
+while.cond1153:
+  br label %while.body1154
+while.body1154:
+  %t152 = getelementptr inbounds %S.ast.Type, ptr %a102, i32 0, i32 1
+  %t153 = getelementptr inbounds { ptr, i64, i64 }, ptr %t152, i32 0, i32 1
+  %t154 = load ptr, ptr %a1
+  %t155 = call %S.ast.Type @finch.parser.parseType(ptr %t154)
+  %t156 = load i64, ptr %t153
+  %t157 = add i64 %t156, 1
+  call void @finch_arr_reserve(ptr %t152, i64 %t157, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t158 = load ptr, ptr %t152
+  %t159 = getelementptr inbounds %S.ast.Type, ptr %t158, i64 %t156
+  store %S.ast.Type %t155, ptr %t159
+  store i64 %t157, ptr %t153
+  %t160 = load ptr, ptr %a1
+  %t161 = call i1 @finch.parser.accept(ptr %t160, { ptr, i64, i64 } { ptr @.str.646, i64 1, i64 0 })
+  %t162 = xor i1 %t161, true
+  br i1 %t162, label %then1156, label %endif1158
+then1156:
+  br label %while.end1155
+endif1158:
+  br label %while.cond1153
+while.end1155:
+  %t163 = load ptr, ptr %a1
+  %t164 = call %S.lexer.Token @finch.parser.expect(ptr %t163, { ptr, i64, i64 } { ptr @.str.647, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.648, i64 28, i64 0 })
+  store %S.lexer.Token %t164, ptr %a165
+  call void @finch.drop.S_lexer_Token(ptr %a165)
+  br label %endif1152
+endif1152:
+  %t166 = load %S.ast.Type, ptr %a102
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t166
 }
 
 define internal i1 @finch.parser.genericDeclAhead(ptr %p0) {
@@ -14437,281 +16112,290 @@ entry:
   %a1 = alloca ptr, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca i64, align 16
-  %a25 = alloca i64, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca i64, align 16
+  %a27 = alloca i64, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.640, i64 5, i64 0 })
+  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.649, i64 5, i64 0 })
   %t4 = xor i1 %t3, true
-  br label %logic.from1098
-logic.from1098:
-  br i1 %t4, label %logic.end1100, label %logic.rhs1099
-logic.rhs1099:
+  br label %logic.from1159
+logic.from1159:
+  br i1 %t4, label %logic.end1161, label %logic.rhs1160
+logic.rhs1160:
   %t5 = load ptr, ptr %a1
   %t6 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t5, i64 1)
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.641, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.650, i64 1, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp eq i32 %t9, 0
-  br label %logic.rend1101
-logic.rend1101:
-  br label %logic.end1100
-logic.end1100:
-  %t11 = phi i1 [ true, %logic.from1098 ], [ %t10, %logic.rend1101 ]
-  br label %logic.from1102
-logic.from1102:
-  br i1 %t11, label %logic.end1104, label %logic.rhs1103
-logic.rhs1103:
-  %t12 = load ptr, ptr %a1
-  %t13 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t12, i64 2)
-  store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.642, i64 1, i64 0 }, ptr %a15
-  %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
-  %t17 = icmp ne i32 %t16, 0
-  br label %logic.rend1105
-logic.rend1105:
-  br label %logic.end1104
-logic.end1104:
-  %t18 = phi i1 [ true, %logic.from1102 ], [ %t17, %logic.rend1105 ]
-  br i1 %t18, label %then1106, label %endif1108
-then1106:
+  store { ptr, i64, i64 } %t6, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  br label %logic.rend1162
+logic.rend1162:
+  br label %logic.end1161
+logic.end1161:
+  %t12 = phi i1 [ true, %logic.from1159 ], [ %t10, %logic.rend1162 ]
+  br label %logic.from1163
+logic.from1163:
+  br i1 %t12, label %logic.end1165, label %logic.rhs1164
+logic.rhs1164:
+  %t13 = load ptr, ptr %a1
+  %t14 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t13, i64 2)
+  store { ptr, i64, i64 } %t14, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.651, i64 1, i64 0 }, ptr %a16
+  %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
+  %t18 = icmp ne i32 %t17, 0
+  store { ptr, i64, i64 } %t14, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  br label %logic.rend1166
+logic.rend1166:
+  br label %logic.end1165
+logic.end1165:
+  %t20 = phi i1 [ true, %logic.from1163 ], [ %t18, %logic.rend1166 ]
+  br i1 %t20, label %then1167, label %endif1169
+then1167:
   ret i1 false
-endif1108:
-  store i64 0, ptr %a19
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic1109, label %ok1110
-panic1109:
-  call void @finch_panic(ptr @.str.643, i64 148, ptr @.str.644)
+endif1169:
+  store i64 0, ptr %a21
+  %t22 = load ptr, ptr %a1
+  %t23 = icmp eq ptr %t22, null
+  br i1 %t23, label %panic1170, label %ok1171
+panic1170:
+  call void @finch_panic(ptr @.str.652, i64 148, ptr @.str.653)
   unreachable
-ok1110:
-  %t22 = getelementptr inbounds %S.parser.Parser, ptr %t20, i32 0, i32 1
-  %t23 = load i64, ptr %t22
-  %t24 = add i64 %t23, 1
-  store i64 %t24, ptr %a25
-  br label %while.cond1111
-while.cond1111:
-  %t26 = load i64, ptr %a25
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic1114, label %ok1115
-panic1114:
-  call void @finch_panic(ptr @.str.645, i64 149, ptr @.str.646)
+ok1171:
+  %t24 = getelementptr inbounds %S.parser.Parser, ptr %t22, i32 0, i32 1
+  %t25 = load i64, ptr %t24
+  %t26 = add i64 %t25, 1
+  store i64 %t26, ptr %a27
+  br label %while.cond1172
+while.cond1172:
+  %t28 = load i64, ptr %a27
+  %t29 = load ptr, ptr %a1
+  %t30 = icmp eq ptr %t29, null
+  br i1 %t30, label %panic1175, label %ok1176
+panic1175:
+  call void @finch_panic(ptr @.str.654, i64 149, ptr @.str.655)
   unreachable
-ok1115:
-  %t29 = getelementptr inbounds %S.parser.Parser, ptr %t27, i32 0, i32 0
-  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
-  %t31 = load i64, ptr %t30
-  %t32 = icmp slt i64 %t26, %t31
-  br i1 %t32, label %while.body1112, label %while.end1113
-while.body1112:
-  %t33 = load ptr, ptr %a1
-  %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic1116, label %ok1117
-panic1116:
-  call void @finch_panic(ptr @.str.647, i64 150, ptr @.str.648)
+ok1176:
+  %t31 = getelementptr inbounds %S.parser.Parser, ptr %t29, i32 0, i32 0
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = icmp slt i64 %t28, %t33
+  br i1 %t34, label %while.body1173, label %while.end1174
+while.body1173:
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic1177, label %ok1178
+panic1177:
+  call void @finch_panic(ptr @.str.656, i64 150, ptr @.str.657)
   unreachable
-ok1117:
-  %t35 = getelementptr inbounds %S.parser.Parser, ptr %t33, i32 0, i32 0
-  %t36 = load i64, ptr %a25
-  %t37 = load { ptr, i64, i64 }, ptr %t35
-  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
-  %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range1118, label %inrange1119
-range1118:
-  call void @finch_panic_index(ptr @.str.649, i64 150, i64 %t36, i64 %t38)
+ok1178:
+  %t37 = getelementptr inbounds %S.parser.Parser, ptr %t35, i32 0, i32 0
+  %t38 = load i64, ptr %a27
+  %t39 = load { ptr, i64, i64 }, ptr %t37
+  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
+  %t41 = icmp uge i64 %t38, %t40
+  br i1 %t41, label %range1179, label %inrange1180
+range1179:
+  call void @finch_panic_index(ptr @.str.658, i64 150, i64 %t38, i64 %t40)
   unreachable
-inrange1119:
-  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
-  %t41 = getelementptr inbounds %S.lexer.Token, ptr %t40, i64 %t36
-  %t42 = getelementptr inbounds %S.lexer.Token, ptr %t41, i32 0, i32 0
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  store { ptr, i64, i64 } %t43, ptr %a44
-  call void @finch_str_copy(ptr %a45, ptr %a44)
-  %t46 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } %t46, ptr %a47
+inrange1180:
+  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
+  %t43 = getelementptr inbounds %S.lexer.Token, ptr %t42, i64 %t38
+  %t44 = getelementptr inbounds %S.lexer.Token, ptr %t43, i32 0, i32 0
+  %t45 = load { ptr, i64, i64 }, ptr %t44
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch_str_copy(ptr %a47, ptr %a46)
   %t48 = load { ptr, i64, i64 }, ptr %a47
   store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.650, i64 1, i64 0 }, ptr %a50
-  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
-  %t52 = icmp ne i32 %t51, 0
-  br i1 %t52, label %then1120, label %else1121
-then1120:
-  %t53 = load i64, ptr %a19
-  %t54 = add i64 %t53, 1
-  store i64 %t54, ptr %a19
-  br label %endif1122
-else1121:
-  %t55 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.651, i64 1, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
-  %t59 = icmp ne i32 %t58, 0
-  br i1 %t59, label %then1123, label %else1124
-then1123:
-  %t60 = load i64, ptr %a19
-  %t61 = sub i64 %t60, 1
-  store i64 %t61, ptr %a19
-  %t62 = load i64, ptr %a19
-  %t63 = icmp eq i64 %t62, 0
-  br i1 %t63, label %then1126, label %endif1128
-then1126:
-  %t64 = load i64, ptr %a25
-  %t65 = add i64 %t64, 1
-  %t66 = load ptr, ptr %a1
-  %t67 = icmp eq ptr %t66, null
-  br i1 %t67, label %panic1129, label %ok1130
-panic1129:
-  call void @finch_panic(ptr @.str.652, i64 156, ptr @.str.653)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.659, i64 1, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %then1181, label %else1182
+then1181:
+  %t55 = load i64, ptr %a21
+  %t56 = add i64 %t55, 1
+  store i64 %t56, ptr %a21
+  br label %endif1183
+else1182:
+  %t57 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t57, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.660, i64 1, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
+  %t61 = icmp ne i32 %t60, 0
+  br i1 %t61, label %then1184, label %else1185
+then1184:
+  %t62 = load i64, ptr %a21
+  %t63 = sub i64 %t62, 1
+  store i64 %t63, ptr %a21
+  %t64 = load i64, ptr %a21
+  %t65 = icmp eq i64 %t64, 0
+  br i1 %t65, label %then1187, label %endif1189
+then1187:
+  %t66 = load i64, ptr %a27
+  %t67 = add i64 %t66, 1
+  %t68 = load ptr, ptr %a1
+  %t69 = icmp eq ptr %t68, null
+  br i1 %t69, label %panic1190, label %ok1191
+panic1190:
+  call void @finch_panic(ptr @.str.661, i64 156, ptr @.str.662)
   unreachable
-ok1130:
-  %t68 = getelementptr inbounds %S.parser.Parser, ptr %t66, i32 0, i32 0
-  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i32 0, i32 1
-  %t70 = load i64, ptr %t69
-  %t71 = icmp slt i64 %t65, %t70
-  br label %logic.from1131
-logic.from1131:
-  br i1 %t71, label %logic.rhs1132, label %logic.end1133
-logic.rhs1132:
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic1134, label %ok1135
-panic1134:
-  call void @finch_panic(ptr @.str.654, i64 156, ptr @.str.655)
+ok1191:
+  %t70 = getelementptr inbounds %S.parser.Parser, ptr %t68, i32 0, i32 0
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
+  %t72 = load i64, ptr %t71
+  %t73 = icmp slt i64 %t67, %t72
+  br label %logic.from1192
+logic.from1192:
+  br i1 %t73, label %logic.rhs1193, label %logic.end1194
+logic.rhs1193:
+  %t74 = load ptr, ptr %a1
+  %t75 = icmp eq ptr %t74, null
+  br i1 %t75, label %panic1195, label %ok1196
+panic1195:
+  call void @finch_panic(ptr @.str.663, i64 156, ptr @.str.664)
   unreachable
-ok1135:
-  %t74 = getelementptr inbounds %S.parser.Parser, ptr %t72, i32 0, i32 0
-  %t75 = load i64, ptr %a25
-  %t76 = add i64 %t75, 1
-  %t77 = load { ptr, i64, i64 }, ptr %t74
-  %t78 = extractvalue { ptr, i64, i64 } %t77, 1
-  %t79 = icmp uge i64 %t76, %t78
-  br i1 %t79, label %range1136, label %inrange1137
-range1136:
-  call void @finch_panic_index(ptr @.str.656, i64 156, i64 %t76, i64 %t78)
+ok1196:
+  %t76 = getelementptr inbounds %S.parser.Parser, ptr %t74, i32 0, i32 0
+  %t77 = load i64, ptr %a27
+  %t78 = add i64 %t77, 1
+  %t79 = load { ptr, i64, i64 }, ptr %t76
+  %t80 = extractvalue { ptr, i64, i64 } %t79, 1
+  %t81 = icmp uge i64 %t78, %t80
+  br i1 %t81, label %range1197, label %inrange1198
+range1197:
+  call void @finch_panic_index(ptr @.str.665, i64 156, i64 %t78, i64 %t80)
   unreachable
-inrange1137:
-  %t80 = extractvalue { ptr, i64, i64 } %t77, 0
-  %t81 = getelementptr inbounds %S.lexer.Token, ptr %t80, i64 %t76
-  %t82 = getelementptr inbounds %S.lexer.Token, ptr %t81, i32 0, i32 0
-  %t83 = load { ptr, i64, i64 }, ptr %t82
-  store { ptr, i64, i64 } %t83, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.657, i64 5, i64 0 }, ptr %a85
-  %t86 = call i32 @finch_str_eq(ptr %a84, ptr %a85)
-  %t87 = icmp ne i32 %t86, 0
-  br label %logic.rend1138
-logic.rend1138:
-  br label %logic.end1133
-logic.end1133:
-  %t88 = phi i1 [ false, %logic.from1131 ], [ %t87, %logic.rend1138 ]
-  br label %logic.from1139
-logic.from1139:
-  br i1 %t88, label %logic.rhs1140, label %logic.end1141
-logic.rhs1140:
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic1142, label %ok1143
-panic1142:
-  call void @finch_panic(ptr @.str.658, i64 156, ptr @.str.659)
+inrange1198:
+  %t82 = extractvalue { ptr, i64, i64 } %t79, 0
+  %t83 = getelementptr inbounds %S.lexer.Token, ptr %t82, i64 %t78
+  %t84 = getelementptr inbounds %S.lexer.Token, ptr %t83, i32 0, i32 0
+  %t85 = load { ptr, i64, i64 }, ptr %t84
+  store { ptr, i64, i64 } %t85, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.666, i64 5, i64 0 }, ptr %a87
+  %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
+  %t89 = icmp ne i32 %t88, 0
+  br label %logic.rend1199
+logic.rend1199:
+  br label %logic.end1194
+logic.end1194:
+  %t90 = phi i1 [ false, %logic.from1192 ], [ %t89, %logic.rend1199 ]
+  br label %logic.from1200
+logic.from1200:
+  br i1 %t90, label %logic.rhs1201, label %logic.end1202
+logic.rhs1201:
+  %t91 = load ptr, ptr %a1
+  %t92 = icmp eq ptr %t91, null
+  br i1 %t92, label %panic1203, label %ok1204
+panic1203:
+  call void @finch_panic(ptr @.str.667, i64 156, ptr @.str.668)
   unreachable
-ok1143:
-  %t91 = getelementptr inbounds %S.parser.Parser, ptr %t89, i32 0, i32 0
-  %t92 = load i64, ptr %a25
-  %t93 = add i64 %t92, 1
-  %t94 = load { ptr, i64, i64 }, ptr %t91
-  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
-  %t96 = icmp uge i64 %t93, %t95
-  br i1 %t96, label %range1144, label %inrange1145
-range1144:
-  call void @finch_panic_index(ptr @.str.660, i64 156, i64 %t93, i64 %t95)
+ok1204:
+  %t93 = getelementptr inbounds %S.parser.Parser, ptr %t91, i32 0, i32 0
+  %t94 = load i64, ptr %a27
+  %t95 = add i64 %t94, 1
+  %t96 = load { ptr, i64, i64 }, ptr %t93
+  %t97 = extractvalue { ptr, i64, i64 } %t96, 1
+  %t98 = icmp uge i64 %t95, %t97
+  br i1 %t98, label %range1205, label %inrange1206
+range1205:
+  call void @finch_panic_index(ptr @.str.669, i64 156, i64 %t95, i64 %t97)
   unreachable
-inrange1145:
-  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.lexer.Token, ptr %t97, i64 %t93
-  %t99 = getelementptr inbounds %S.lexer.Token, ptr %t98, i32 0, i32 4
-  %t100 = load i1, ptr %t99
-  %t101 = xor i1 %t100, true
-  br label %logic.rend1146
-logic.rend1146:
-  br label %logic.end1141
-logic.end1141:
-  %t102 = phi i1 [ false, %logic.from1139 ], [ %t101, %logic.rend1146 ]
-  ret i1 %t102
-endif1128:
-  br label %endif1125
-else1124:
-  %t103 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t103, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.661, i64 3, i64 0 }, ptr %a105
-  %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
-  %t107 = icmp ne i32 %t106, 0
-  br label %logic.from1147
-logic.from1147:
-  br i1 %t107, label %logic.end1149, label %logic.rhs1148
-logic.rhs1148:
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic1150, label %ok1151
-panic1150:
-  call void @finch_panic(ptr @.str.662, i64 158, ptr @.str.663)
+inrange1206:
+  %t99 = extractvalue { ptr, i64, i64 } %t96, 0
+  %t100 = getelementptr inbounds %S.lexer.Token, ptr %t99, i64 %t95
+  %t101 = getelementptr inbounds %S.lexer.Token, ptr %t100, i32 0, i32 4
+  %t102 = load i1, ptr %t101
+  %t103 = xor i1 %t102, true
+  br label %logic.rend1207
+logic.rend1207:
+  br label %logic.end1202
+logic.end1202:
+  %t104 = phi i1 [ false, %logic.from1200 ], [ %t103, %logic.rend1207 ]
+  call void @finch_str_drop(ptr %a49)
+  ret i1 %t104
+endif1189:
+  br label %endif1186
+else1185:
+  %t105 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t105, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.670, i64 3, i64 0 }, ptr %a107
+  %t108 = call i32 @finch_str_eq(ptr %a106, ptr %a107)
+  %t109 = icmp ne i32 %t108, 0
+  br label %logic.from1208
+logic.from1208:
+  br i1 %t109, label %logic.end1210, label %logic.rhs1209
+logic.rhs1209:
+  %t110 = load ptr, ptr %a1
+  %t111 = icmp eq ptr %t110, null
+  br i1 %t111, label %panic1211, label %ok1212
+panic1211:
+  call void @finch_panic(ptr @.str.671, i64 158, ptr @.str.672)
   unreachable
-ok1151:
-  %t110 = getelementptr inbounds %S.parser.Parser, ptr %t108, i32 0, i32 0
-  %t111 = load i64, ptr %a25
-  %t112 = load { ptr, i64, i64 }, ptr %t110
-  %t113 = extractvalue { ptr, i64, i64 } %t112, 1
-  %t114 = icmp uge i64 %t111, %t113
-  br i1 %t114, label %range1152, label %inrange1153
-range1152:
-  call void @finch_panic_index(ptr @.str.664, i64 158, i64 %t111, i64 %t113)
+ok1212:
+  %t112 = getelementptr inbounds %S.parser.Parser, ptr %t110, i32 0, i32 0
+  %t113 = load i64, ptr %a27
+  %t114 = load { ptr, i64, i64 }, ptr %t112
+  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
+  %t116 = icmp uge i64 %t113, %t115
+  br i1 %t116, label %range1213, label %inrange1214
+range1213:
+  call void @finch_panic_index(ptr @.str.673, i64 158, i64 %t113, i64 %t115)
   unreachable
-inrange1153:
-  %t115 = extractvalue { ptr, i64, i64 } %t112, 0
-  %t116 = getelementptr inbounds %S.lexer.Token, ptr %t115, i64 %t111
-  %t117 = getelementptr inbounds %S.lexer.Token, ptr %t116, i32 0, i32 4
-  %t118 = load i1, ptr %t117
-  br label %logic.from1154
-logic.from1154:
-  br i1 %t118, label %logic.rhs1155, label %logic.end1156
-logic.rhs1155:
-  %t119 = load i64, ptr %a19
-  %t120 = icmp eq i64 %t119, 0
-  br label %logic.rend1157
-logic.rend1157:
-  br label %logic.end1156
-logic.end1156:
-  %t121 = phi i1 [ false, %logic.from1154 ], [ %t120, %logic.rend1157 ]
-  br label %logic.rend1158
-logic.rend1158:
-  br label %logic.end1149
-logic.end1149:
-  %t122 = phi i1 [ true, %logic.from1147 ], [ %t121, %logic.rend1158 ]
-  br i1 %t122, label %then1159, label %endif1161
-then1159:
+inrange1214:
+  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
+  %t118 = getelementptr inbounds %S.lexer.Token, ptr %t117, i64 %t113
+  %t119 = getelementptr inbounds %S.lexer.Token, ptr %t118, i32 0, i32 4
+  %t120 = load i1, ptr %t119
+  br label %logic.from1215
+logic.from1215:
+  br i1 %t120, label %logic.rhs1216, label %logic.end1217
+logic.rhs1216:
+  %t121 = load i64, ptr %a21
+  %t122 = icmp eq i64 %t121, 0
+  br label %logic.rend1218
+logic.rend1218:
+  br label %logic.end1217
+logic.end1217:
+  %t123 = phi i1 [ false, %logic.from1215 ], [ %t122, %logic.rend1218 ]
+  br label %logic.rend1219
+logic.rend1219:
+  br label %logic.end1210
+logic.end1210:
+  %t124 = phi i1 [ true, %logic.from1208 ], [ %t123, %logic.rend1219 ]
+  br i1 %t124, label %then1220, label %endif1222
+then1220:
+  call void @finch_str_drop(ptr %a49)
   ret i1 false
-endif1161:
-  br label %endif1125
-endif1125:
-  br label %endif1122
-endif1122:
-  %t123 = load i64, ptr %a25
-  %t124 = add i64 %t123, 1
-  store i64 %t124, ptr %a25
-  br label %while.cond1111
-while.end1113:
+endif1222:
+  br label %endif1186
+endif1186:
+  br label %endif1183
+endif1183:
+  %t125 = load i64, ptr %a27
+  %t126 = add i64 %t125, 1
+  store i64 %t126, ptr %a27
+  call void @finch_str_drop(ptr %a49)
+  br label %while.cond1172
+while.end1174:
   ret i1 false
 }
 
@@ -14722,11 +16406,11 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic1162, label %ok1163
-panic1162:
-  call void @finch_panic(ptr @.str.665, i64 168, ptr @.str.666)
+  br i1 %t3, label %panic1223, label %ok1224
+panic1223:
+  call void @finch_panic(ptr @.str.674, i64 168, ptr @.str.675)
   unreachable
-ok1163:
+ok1224:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = sub i64 %t5, 1
@@ -14736,11 +16420,11 @@ ok1163:
   store i1 %t8, ptr %a9
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic1164, label %ok1165
-panic1164:
-  call void @finch_panic(ptr @.str.667, i64 170, ptr @.str.668)
+  br i1 %t11, label %panic1225, label %ok1226
+panic1225:
+  call void @finch_panic(ptr @.str.676, i64 170, ptr @.str.677)
   unreachable
-ok1165:
+ok1226:
   %t12 = getelementptr inbounds %S.parser.Parser, ptr %t10, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = add i64 %t13, 1
@@ -14754,297 +16438,306 @@ entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca i64, align 16
-  %a37 = alloca i64, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca i64, align 16
+  %a39 = alloca i64, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t2, i64 1)
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.669, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.678, i64 1, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp eq i32 %t6, 0
-  br label %logic.from1166
-logic.from1166:
-  br i1 %t7, label %logic.end1168, label %logic.rhs1167
-logic.rhs1167:
-  %t8 = load ptr, ptr %a1
-  %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic1169, label %ok1170
-panic1169:
-  call void @finch_panic(ptr @.str.670, i64 176, ptr @.str.671)
+  store { ptr, i64, i64 } %t3, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  br label %logic.from1227
+logic.from1227:
+  br i1 %t7, label %logic.end1229, label %logic.rhs1228
+logic.rhs1228:
+  %t9 = load ptr, ptr %a1
+  %t10 = icmp eq ptr %t9, null
+  br i1 %t10, label %panic1230, label %ok1231
+panic1230:
+  call void @finch_panic(ptr @.str.679, i64 176, ptr @.str.680)
   unreachable
-ok1170:
-  %t10 = getelementptr inbounds %S.parser.Parser, ptr %t8, i32 0, i32 0
-  %t11 = load ptr, ptr %a1
-  %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic1171, label %ok1172
-panic1171:
-  call void @finch_panic(ptr @.str.672, i64 176, ptr @.str.673)
+ok1231:
+  %t11 = getelementptr inbounds %S.parser.Parser, ptr %t9, i32 0, i32 0
+  %t12 = load ptr, ptr %a1
+  %t13 = icmp eq ptr %t12, null
+  br i1 %t13, label %panic1232, label %ok1233
+panic1232:
+  call void @finch_panic(ptr @.str.681, i64 176, ptr @.str.682)
   unreachable
-ok1172:
-  %t13 = getelementptr inbounds %S.parser.Parser, ptr %t11, i32 0, i32 1
-  %t14 = load i64, ptr %t13
-  %t15 = add i64 %t14, 1
-  %t16 = load { ptr, i64, i64 }, ptr %t10
-  %t17 = extractvalue { ptr, i64, i64 } %t16, 1
-  %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range1173, label %inrange1174
-range1173:
-  call void @finch_panic_index(ptr @.str.674, i64 176, i64 %t15, i64 %t17)
+ok1233:
+  %t14 = getelementptr inbounds %S.parser.Parser, ptr %t12, i32 0, i32 1
+  %t15 = load i64, ptr %t14
+  %t16 = add i64 %t15, 1
+  %t17 = load { ptr, i64, i64 }, ptr %t11
+  %t18 = extractvalue { ptr, i64, i64 } %t17, 1
+  %t19 = icmp uge i64 %t16, %t18
+  br i1 %t19, label %range1234, label %inrange1235
+range1234:
+  call void @finch_panic_index(ptr @.str.683, i64 176, i64 %t16, i64 %t18)
   unreachable
-inrange1174:
-  %t19 = extractvalue { ptr, i64, i64 } %t16, 0
-  %t20 = getelementptr inbounds %S.lexer.Token, ptr %t19, i64 %t15
-  %t21 = getelementptr inbounds %S.lexer.Token, ptr %t20, i32 0, i32 4
-  %t22 = load i1, ptr %t21
-  br label %logic.rend1175
-logic.rend1175:
-  br label %logic.end1168
-logic.end1168:
-  %t23 = phi i1 [ true, %logic.from1166 ], [ %t22, %logic.rend1175 ]
-  br label %logic.from1176
-logic.from1176:
-  br i1 %t23, label %logic.end1178, label %logic.rhs1177
-logic.rhs1177:
-  %t24 = load ptr, ptr %a1
-  %t25 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t24, i64 2)
-  store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.675, i64 1, i64 0 }, ptr %a27
-  %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
-  %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend1179
-logic.rend1179:
-  br label %logic.end1178
-logic.end1178:
-  %t30 = phi i1 [ true, %logic.from1176 ], [ %t29, %logic.rend1179 ]
-  br i1 %t30, label %then1180, label %endif1182
-then1180:
+inrange1235:
+  %t20 = extractvalue { ptr, i64, i64 } %t17, 0
+  %t21 = getelementptr inbounds %S.lexer.Token, ptr %t20, i64 %t16
+  %t22 = getelementptr inbounds %S.lexer.Token, ptr %t21, i32 0, i32 4
+  %t23 = load i1, ptr %t22
+  br label %logic.rend1236
+logic.rend1236:
+  br label %logic.end1229
+logic.end1229:
+  %t24 = phi i1 [ true, %logic.from1227 ], [ %t23, %logic.rend1236 ]
+  br label %logic.from1237
+logic.from1237:
+  br i1 %t24, label %logic.end1239, label %logic.rhs1238
+logic.rhs1238:
+  %t25 = load ptr, ptr %a1
+  %t26 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t25, i64 2)
+  store { ptr, i64, i64 } %t26, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.684, i64 1, i64 0 }, ptr %a28
+  %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
+  %t30 = icmp ne i32 %t29, 0
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  br label %logic.rend1240
+logic.rend1240:
+  br label %logic.end1239
+logic.end1239:
+  %t32 = phi i1 [ true, %logic.from1237 ], [ %t30, %logic.rend1240 ]
+  br i1 %t32, label %then1241, label %endif1243
+then1241:
   ret i1 false
-endif1182:
-  store i64 0, ptr %a31
-  %t32 = load ptr, ptr %a1
-  %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic1183, label %ok1184
-panic1183:
-  call void @finch_panic(ptr @.str.676, i64 180, ptr @.str.677)
+endif1243:
+  store i64 0, ptr %a33
+  %t34 = load ptr, ptr %a1
+  %t35 = icmp eq ptr %t34, null
+  br i1 %t35, label %panic1244, label %ok1245
+panic1244:
+  call void @finch_panic(ptr @.str.685, i64 180, ptr @.str.686)
   unreachable
-ok1184:
-  %t34 = getelementptr inbounds %S.parser.Parser, ptr %t32, i32 0, i32 1
-  %t35 = load i64, ptr %t34
-  %t36 = add i64 %t35, 1
-  store i64 %t36, ptr %a37
-  br label %while.cond1185
-while.cond1185:
-  %t38 = load i64, ptr %a37
-  %t39 = load ptr, ptr %a1
-  %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic1188, label %ok1189
-panic1188:
-  call void @finch_panic(ptr @.str.678, i64 181, ptr @.str.679)
+ok1245:
+  %t36 = getelementptr inbounds %S.parser.Parser, ptr %t34, i32 0, i32 1
+  %t37 = load i64, ptr %t36
+  %t38 = add i64 %t37, 1
+  store i64 %t38, ptr %a39
+  br label %while.cond1246
+while.cond1246:
+  %t40 = load i64, ptr %a39
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic1249, label %ok1250
+panic1249:
+  call void @finch_panic(ptr @.str.687, i64 181, ptr @.str.688)
   unreachable
-ok1189:
-  %t41 = getelementptr inbounds %S.parser.Parser, ptr %t39, i32 0, i32 0
-  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i32 0, i32 1
-  %t43 = load i64, ptr %t42
-  %t44 = icmp slt i64 %t38, %t43
-  br i1 %t44, label %while.body1186, label %while.end1187
-while.body1186:
-  %t45 = load ptr, ptr %a1
-  %t46 = icmp eq ptr %t45, null
-  br i1 %t46, label %panic1190, label %ok1191
-panic1190:
-  call void @finch_panic(ptr @.str.680, i64 182, ptr @.str.681)
+ok1250:
+  %t43 = getelementptr inbounds %S.parser.Parser, ptr %t41, i32 0, i32 0
+  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i32 0, i32 1
+  %t45 = load i64, ptr %t44
+  %t46 = icmp slt i64 %t40, %t45
+  br i1 %t46, label %while.body1247, label %while.end1248
+while.body1247:
+  %t47 = load ptr, ptr %a1
+  %t48 = icmp eq ptr %t47, null
+  br i1 %t48, label %panic1251, label %ok1252
+panic1251:
+  call void @finch_panic(ptr @.str.689, i64 182, ptr @.str.690)
   unreachable
-ok1191:
-  %t47 = getelementptr inbounds %S.parser.Parser, ptr %t45, i32 0, i32 0
-  %t48 = load i64, ptr %a37
-  %t49 = load { ptr, i64, i64 }, ptr %t47
-  %t50 = extractvalue { ptr, i64, i64 } %t49, 1
-  %t51 = icmp uge i64 %t48, %t50
-  br i1 %t51, label %range1192, label %inrange1193
-range1192:
-  call void @finch_panic_index(ptr @.str.682, i64 182, i64 %t48, i64 %t50)
+ok1252:
+  %t49 = getelementptr inbounds %S.parser.Parser, ptr %t47, i32 0, i32 0
+  %t50 = load i64, ptr %a39
+  %t51 = load { ptr, i64, i64 }, ptr %t49
+  %t52 = extractvalue { ptr, i64, i64 } %t51, 1
+  %t53 = icmp uge i64 %t50, %t52
+  br i1 %t53, label %range1253, label %inrange1254
+range1253:
+  call void @finch_panic_index(ptr @.str.691, i64 182, i64 %t50, i64 %t52)
   unreachable
-inrange1193:
-  %t52 = extractvalue { ptr, i64, i64 } %t49, 0
-  %t53 = getelementptr inbounds %S.lexer.Token, ptr %t52, i64 %t48
-  %t54 = getelementptr inbounds %S.lexer.Token, ptr %t53, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  call void @finch_str_copy(ptr %a57, ptr %a56)
-  %t58 = load { ptr, i64, i64 }, ptr %a57
-  store { ptr, i64, i64 } %t58, ptr %a59
+inrange1254:
+  %t54 = extractvalue { ptr, i64, i64 } %t51, 0
+  %t55 = getelementptr inbounds %S.lexer.Token, ptr %t54, i64 %t50
+  %t56 = getelementptr inbounds %S.lexer.Token, ptr %t55, i32 0, i32 0
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  store { ptr, i64, i64 } %t57, ptr %a58
+  call void @finch_str_copy(ptr %a59, ptr %a58)
   %t60 = load { ptr, i64, i64 }, ptr %a59
   store { ptr, i64, i64 } %t60, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.683, i64 1, i64 0 }, ptr %a62
-  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
-  %t64 = icmp ne i32 %t63, 0
-  br i1 %t64, label %then1194, label %else1195
-then1194:
-  %t65 = load i64, ptr %a31
-  %t66 = add i64 %t65, 1
-  store i64 %t66, ptr %a31
-  br label %endif1196
-else1195:
-  %t67 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.684, i64 1, i64 0 }, ptr %a69
-  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
-  %t71 = icmp ne i32 %t70, 0
-  br i1 %t71, label %then1197, label %else1198
-then1197:
-  %t72 = load i64, ptr %a31
-  %t73 = sub i64 %t72, 1
-  store i64 %t73, ptr %a31
-  %t74 = load i64, ptr %a31
-  %t75 = icmp eq i64 %t74, 0
-  br i1 %t75, label %then1200, label %endif1202
-then1200:
-  %t76 = load i64, ptr %a37
-  %t77 = add i64 %t76, 1
-  %t78 = load ptr, ptr %a1
-  %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic1203, label %ok1204
-panic1203:
-  call void @finch_panic(ptr @.str.685, i64 188, ptr @.str.686)
+  %t62 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.692, i64 1, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp ne i32 %t65, 0
+  br i1 %t66, label %then1255, label %else1256
+then1255:
+  %t67 = load i64, ptr %a33
+  %t68 = add i64 %t67, 1
+  store i64 %t68, ptr %a33
+  br label %endif1257
+else1256:
+  %t69 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t69, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.693, i64 1, i64 0 }, ptr %a71
+  %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
+  %t73 = icmp ne i32 %t72, 0
+  br i1 %t73, label %then1258, label %else1259
+then1258:
+  %t74 = load i64, ptr %a33
+  %t75 = sub i64 %t74, 1
+  store i64 %t75, ptr %a33
+  %t76 = load i64, ptr %a33
+  %t77 = icmp eq i64 %t76, 0
+  br i1 %t77, label %then1261, label %endif1263
+then1261:
+  %t78 = load i64, ptr %a39
+  %t79 = add i64 %t78, 1
+  %t80 = load ptr, ptr %a1
+  %t81 = icmp eq ptr %t80, null
+  br i1 %t81, label %panic1264, label %ok1265
+panic1264:
+  call void @finch_panic(ptr @.str.694, i64 188, ptr @.str.695)
   unreachable
-ok1204:
-  %t80 = getelementptr inbounds %S.parser.Parser, ptr %t78, i32 0, i32 0
-  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %t80, i32 0, i32 1
-  %t82 = load i64, ptr %t81
-  %t83 = icmp slt i64 %t77, %t82
-  br label %logic.from1205
-logic.from1205:
-  br i1 %t83, label %logic.rhs1206, label %logic.end1207
-logic.rhs1206:
-  %t84 = load ptr, ptr %a1
-  %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic1208, label %ok1209
-panic1208:
-  call void @finch_panic(ptr @.str.687, i64 188, ptr @.str.688)
+ok1265:
+  %t82 = getelementptr inbounds %S.parser.Parser, ptr %t80, i32 0, i32 0
+  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i32 0, i32 1
+  %t84 = load i64, ptr %t83
+  %t85 = icmp slt i64 %t79, %t84
+  br label %logic.from1266
+logic.from1266:
+  br i1 %t85, label %logic.rhs1267, label %logic.end1268
+logic.rhs1267:
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic1269, label %ok1270
+panic1269:
+  call void @finch_panic(ptr @.str.696, i64 188, ptr @.str.697)
   unreachable
-ok1209:
-  %t86 = getelementptr inbounds %S.parser.Parser, ptr %t84, i32 0, i32 0
-  %t87 = load i64, ptr %a37
-  %t88 = add i64 %t87, 1
-  %t89 = load { ptr, i64, i64 }, ptr %t86
-  %t90 = extractvalue { ptr, i64, i64 } %t89, 1
-  %t91 = icmp uge i64 %t88, %t90
-  br i1 %t91, label %range1210, label %inrange1211
-range1210:
-  call void @finch_panic_index(ptr @.str.689, i64 188, i64 %t88, i64 %t90)
+ok1270:
+  %t88 = getelementptr inbounds %S.parser.Parser, ptr %t86, i32 0, i32 0
+  %t89 = load i64, ptr %a39
+  %t90 = add i64 %t89, 1
+  %t91 = load { ptr, i64, i64 }, ptr %t88
+  %t92 = extractvalue { ptr, i64, i64 } %t91, 1
+  %t93 = icmp uge i64 %t90, %t92
+  br i1 %t93, label %range1271, label %inrange1272
+range1271:
+  call void @finch_panic_index(ptr @.str.698, i64 188, i64 %t90, i64 %t92)
   unreachable
-inrange1211:
-  %t92 = extractvalue { ptr, i64, i64 } %t89, 0
-  %t93 = getelementptr inbounds %S.lexer.Token, ptr %t92, i64 %t88
-  %t94 = getelementptr inbounds %S.lexer.Token, ptr %t93, i32 0, i32 0
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.690, i64 1, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.rend1212
-logic.rend1212:
-  br label %logic.end1207
-logic.end1207:
-  %t100 = phi i1 [ false, %logic.from1205 ], [ %t99, %logic.rend1212 ]
-  br label %logic.from1213
-logic.from1213:
-  br i1 %t100, label %logic.rhs1214, label %logic.end1215
-logic.rhs1214:
-  %t101 = load ptr, ptr %a1
-  %t102 = icmp eq ptr %t101, null
-  br i1 %t102, label %panic1216, label %ok1217
-panic1216:
-  call void @finch_panic(ptr @.str.691, i64 188, ptr @.str.692)
+inrange1272:
+  %t94 = extractvalue { ptr, i64, i64 } %t91, 0
+  %t95 = getelementptr inbounds %S.lexer.Token, ptr %t94, i64 %t90
+  %t96 = getelementptr inbounds %S.lexer.Token, ptr %t95, i32 0, i32 0
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  store { ptr, i64, i64 } %t97, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.699, i64 1, i64 0 }, ptr %a99
+  %t100 = call i32 @finch_str_eq(ptr %a98, ptr %a99)
+  %t101 = icmp ne i32 %t100, 0
+  br label %logic.rend1273
+logic.rend1273:
+  br label %logic.end1268
+logic.end1268:
+  %t102 = phi i1 [ false, %logic.from1266 ], [ %t101, %logic.rend1273 ]
+  br label %logic.from1274
+logic.from1274:
+  br i1 %t102, label %logic.rhs1275, label %logic.end1276
+logic.rhs1275:
+  %t103 = load ptr, ptr %a1
+  %t104 = icmp eq ptr %t103, null
+  br i1 %t104, label %panic1277, label %ok1278
+panic1277:
+  call void @finch_panic(ptr @.str.700, i64 188, ptr @.str.701)
   unreachable
-ok1217:
-  %t103 = getelementptr inbounds %S.parser.Parser, ptr %t101, i32 0, i32 0
-  %t104 = load i64, ptr %a37
-  %t105 = add i64 %t104, 1
-  %t106 = load { ptr, i64, i64 }, ptr %t103
-  %t107 = extractvalue { ptr, i64, i64 } %t106, 1
-  %t108 = icmp uge i64 %t105, %t107
-  br i1 %t108, label %range1218, label %inrange1219
-range1218:
-  call void @finch_panic_index(ptr @.str.693, i64 188, i64 %t105, i64 %t107)
+ok1278:
+  %t105 = getelementptr inbounds %S.parser.Parser, ptr %t103, i32 0, i32 0
+  %t106 = load i64, ptr %a39
+  %t107 = add i64 %t106, 1
+  %t108 = load { ptr, i64, i64 }, ptr %t105
+  %t109 = extractvalue { ptr, i64, i64 } %t108, 1
+  %t110 = icmp uge i64 %t107, %t109
+  br i1 %t110, label %range1279, label %inrange1280
+range1279:
+  call void @finch_panic_index(ptr @.str.702, i64 188, i64 %t107, i64 %t109)
   unreachable
-inrange1219:
-  %t109 = extractvalue { ptr, i64, i64 } %t106, 0
-  %t110 = getelementptr inbounds %S.lexer.Token, ptr %t109, i64 %t105
-  %t111 = getelementptr inbounds %S.lexer.Token, ptr %t110, i32 0, i32 4
-  %t112 = load i1, ptr %t111
-  %t113 = xor i1 %t112, true
-  br label %logic.rend1220
-logic.rend1220:
-  br label %logic.end1215
-logic.end1215:
-  %t114 = phi i1 [ false, %logic.from1213 ], [ %t113, %logic.rend1220 ]
-  ret i1 %t114
-endif1202:
-  br label %endif1199
-else1198:
-  %t115 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t115, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.694, i64 3, i64 0 }, ptr %a117
-  %t118 = call i32 @finch_str_eq(ptr %a116, ptr %a117)
-  %t119 = icmp ne i32 %t118, 0
-  br label %logic.from1221
-logic.from1221:
-  br i1 %t119, label %logic.end1223, label %logic.rhs1222
-logic.rhs1222:
-  %t120 = load ptr, ptr %a1
-  %t121 = icmp eq ptr %t120, null
-  br i1 %t121, label %panic1224, label %ok1225
-panic1224:
-  call void @finch_panic(ptr @.str.695, i64 190, ptr @.str.696)
+inrange1280:
+  %t111 = extractvalue { ptr, i64, i64 } %t108, 0
+  %t112 = getelementptr inbounds %S.lexer.Token, ptr %t111, i64 %t107
+  %t113 = getelementptr inbounds %S.lexer.Token, ptr %t112, i32 0, i32 4
+  %t114 = load i1, ptr %t113
+  %t115 = xor i1 %t114, true
+  br label %logic.rend1281
+logic.rend1281:
+  br label %logic.end1276
+logic.end1276:
+  %t116 = phi i1 [ false, %logic.from1274 ], [ %t115, %logic.rend1281 ]
+  call void @finch_str_drop(ptr %a61)
+  ret i1 %t116
+endif1263:
+  br label %endif1260
+else1259:
+  %t117 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t117, ptr %a118
+  store { ptr, i64, i64 } { ptr @.str.703, i64 3, i64 0 }, ptr %a119
+  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
+  %t121 = icmp ne i32 %t120, 0
+  br label %logic.from1282
+logic.from1282:
+  br i1 %t121, label %logic.end1284, label %logic.rhs1283
+logic.rhs1283:
+  %t122 = load ptr, ptr %a1
+  %t123 = icmp eq ptr %t122, null
+  br i1 %t123, label %panic1285, label %ok1286
+panic1285:
+  call void @finch_panic(ptr @.str.704, i64 190, ptr @.str.705)
   unreachable
-ok1225:
-  %t122 = getelementptr inbounds %S.parser.Parser, ptr %t120, i32 0, i32 0
-  %t123 = load i64, ptr %a37
-  %t124 = load { ptr, i64, i64 }, ptr %t122
-  %t125 = extractvalue { ptr, i64, i64 } %t124, 1
-  %t126 = icmp uge i64 %t123, %t125
-  br i1 %t126, label %range1226, label %inrange1227
-range1226:
-  call void @finch_panic_index(ptr @.str.697, i64 190, i64 %t123, i64 %t125)
+ok1286:
+  %t124 = getelementptr inbounds %S.parser.Parser, ptr %t122, i32 0, i32 0
+  %t125 = load i64, ptr %a39
+  %t126 = load { ptr, i64, i64 }, ptr %t124
+  %t127 = extractvalue { ptr, i64, i64 } %t126, 1
+  %t128 = icmp uge i64 %t125, %t127
+  br i1 %t128, label %range1287, label %inrange1288
+range1287:
+  call void @finch_panic_index(ptr @.str.706, i64 190, i64 %t125, i64 %t127)
   unreachable
-inrange1227:
-  %t127 = extractvalue { ptr, i64, i64 } %t124, 0
-  %t128 = getelementptr inbounds %S.lexer.Token, ptr %t127, i64 %t123
-  %t129 = getelementptr inbounds %S.lexer.Token, ptr %t128, i32 0, i32 4
-  %t130 = load i1, ptr %t129
-  br label %logic.rend1228
-logic.rend1228:
-  br label %logic.end1223
-logic.end1223:
-  %t131 = phi i1 [ true, %logic.from1221 ], [ %t130, %logic.rend1228 ]
-  br i1 %t131, label %then1229, label %endif1231
-then1229:
+inrange1288:
+  %t129 = extractvalue { ptr, i64, i64 } %t126, 0
+  %t130 = getelementptr inbounds %S.lexer.Token, ptr %t129, i64 %t125
+  %t131 = getelementptr inbounds %S.lexer.Token, ptr %t130, i32 0, i32 4
+  %t132 = load i1, ptr %t131
+  br label %logic.rend1289
+logic.rend1289:
+  br label %logic.end1284
+logic.end1284:
+  %t133 = phi i1 [ true, %logic.from1282 ], [ %t132, %logic.rend1289 ]
+  br i1 %t133, label %then1290, label %endif1292
+then1290:
+  call void @finch_str_drop(ptr %a61)
   ret i1 false
-endif1231:
-  br label %endif1199
-endif1199:
-  br label %endif1196
-endif1196:
-  %t132 = load i64, ptr %a37
-  %t133 = add i64 %t132, 1
-  store i64 %t133, ptr %a37
-  br label %while.cond1185
-while.end1187:
+endif1292:
+  br label %endif1260
+endif1260:
+  br label %endif1257
+endif1257:
+  %t134 = load i64, ptr %a39
+  %t135 = add i64 %t134, 1
+  store i64 %t135, ptr %a39
+  call void @finch_str_drop(ptr %a61)
+  br label %while.cond1246
+while.end1248:
   ret i1 false
 }
 
@@ -15053,273 +16746,315 @@ entry:
   %a1 = alloca ptr, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.lexer.Token, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca %S.lexer.Token, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call i1 @finch.parser.genericDeclAhead(ptr %t2)
-  br i1 %t3, label %then1232, label %endif1234
-then1232:
+  br i1 %t3, label %then1293, label %endif1295
+then1293:
   ret i1 true
-endif1234:
+endif1295:
   %t4 = load ptr, ptr %a1
-  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.698, i64 1, i64 0 })
-  br i1 %t5, label %then1235, label %endif1237
-then1235:
+  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.707, i64 1, i64 0 })
+  br i1 %t5, label %then1296, label %endif1298
+then1296:
   %t6 = load ptr, ptr %a1
   %t7 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t6, i64 1)
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.699, i64 1, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.708, i64 1, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
+  store { ptr, i64, i64 } %t7, ptr %a12
+  call void @finch_str_drop(ptr %a12)
   ret i1 %t11
-endif1237:
-  %t12 = load ptr, ptr %a1
-  %t13 = call i1 @finch.parser.at(ptr %t12, { ptr, i64, i64 } { ptr @.str.700, i64 5, i64 0 })
-  %t14 = xor i1 %t13, true
-  br i1 %t14, label %then1238, label %endif1240
-then1238:
+endif1298:
+  %t13 = load ptr, ptr %a1
+  %t14 = call i1 @finch.parser.at(ptr %t13, { ptr, i64, i64 } { ptr @.str.709, i64 5, i64 0 })
+  %t15 = xor i1 %t14, true
+  br i1 %t15, label %then1299, label %endif1301
+then1299:
   ret i1 false
-endif1240:
-  %t15 = load ptr, ptr %a1
-  %t16 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t15, i64 1)
-  store { ptr, i64, i64 } %t16, ptr %a17
-  %t18 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.701, i64 5, i64 0 }, ptr %a20
-  %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
-  %t22 = icmp ne i32 %t21, 0
-  br i1 %t22, label %then1241, label %endif1243
-then1241:
-  %t23 = load ptr, ptr %a1
-  %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic1244, label %ok1245
-panic1244:
-  call void @finch_panic(ptr @.str.702, i64 210, ptr @.str.703)
+endif1301:
+  %t16 = load ptr, ptr %a1
+  %t17 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t16, i64 1)
+  store { ptr, i64, i64 } %t17, ptr %a18
+  %t19 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t19, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.710, i64 5, i64 0 }, ptr %a21
+  %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
+  %t23 = icmp ne i32 %t22, 0
+  br i1 %t23, label %then1302, label %endif1304
+then1302:
+  %t24 = load ptr, ptr %a1
+  %t25 = icmp eq ptr %t24, null
+  br i1 %t25, label %panic1305, label %ok1306
+panic1305:
+  call void @finch_panic(ptr @.str.711, i64 210, ptr @.str.712)
   unreachable
-ok1245:
-  %t25 = getelementptr inbounds %S.parser.Parser, ptr %t23, i32 0, i32 0
-  %t26 = load ptr, ptr %a1
-  %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic1246, label %ok1247
-panic1246:
-  call void @finch_panic(ptr @.str.704, i64 210, ptr @.str.705)
+ok1306:
+  %t26 = getelementptr inbounds %S.parser.Parser, ptr %t24, i32 0, i32 0
+  %t27 = load ptr, ptr %a1
+  %t28 = icmp eq ptr %t27, null
+  br i1 %t28, label %panic1307, label %ok1308
+panic1307:
+  call void @finch_panic(ptr @.str.713, i64 210, ptr @.str.714)
   unreachable
-ok1247:
-  %t28 = getelementptr inbounds %S.parser.Parser, ptr %t26, i32 0, i32 1
-  %t29 = load i64, ptr %t28
-  %t30 = add i64 %t29, 1
-  %t31 = load { ptr, i64, i64 }, ptr %t25
-  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
-  %t33 = icmp uge i64 %t30, %t32
-  br i1 %t33, label %range1248, label %inrange1249
-range1248:
-  call void @finch_panic_index(ptr @.str.706, i64 210, i64 %t30, i64 %t32)
+ok1308:
+  %t29 = getelementptr inbounds %S.parser.Parser, ptr %t27, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = add i64 %t30, 1
+  %t32 = load { ptr, i64, i64 }, ptr %t26
+  %t33 = extractvalue { ptr, i64, i64 } %t32, 1
+  %t34 = icmp uge i64 %t31, %t33
+  br i1 %t34, label %range1309, label %inrange1310
+range1309:
+  call void @finch_panic_index(ptr @.str.715, i64 210, i64 %t31, i64 %t33)
   unreachable
-inrange1249:
-  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
-  %t35 = getelementptr inbounds %S.lexer.Token, ptr %t34, i64 %t30
-  %t36 = getelementptr inbounds %S.lexer.Token, ptr %t35, i32 0, i32 4
-  %t37 = load i1, ptr %t36
-  %t38 = xor i1 %t37, true
-  ret i1 %t38
-endif1243:
-  %t39 = load ptr, ptr %a1
-  %t40 = call %S.lexer.Token @finch.parser.cur(ptr %t39)
-  %t41 = extractvalue %S.lexer.Token %t40, 1
-  store { ptr, i64, i64 } %t41, ptr %a42
-  call void @finch_str_copy(ptr %a43, ptr %a42)
-  %t44 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.707, i64 3, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br label %logic.from1250
-logic.from1250:
-  br i1 %t48, label %logic.end1252, label %logic.rhs1251
-logic.rhs1251:
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.cur(ptr %t49)
-  %t51 = extractvalue %S.lexer.Token %t50, 1
-  store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
+inrange1310:
+  %t35 = extractvalue { ptr, i64, i64 } %t32, 0
+  %t36 = getelementptr inbounds %S.lexer.Token, ptr %t35, i64 %t31
+  %t37 = getelementptr inbounds %S.lexer.Token, ptr %t36, i32 0, i32 4
+  %t38 = load i1, ptr %t37
+  %t39 = xor i1 %t38, true
+  call void @finch_str_drop(ptr %a18)
+  ret i1 %t39
+endif1304:
+  %t40 = load ptr, ptr %a1
+  %t41 = call %S.lexer.Token @finch.parser.cur(ptr %t40)
+  %t42 = extractvalue %S.lexer.Token %t41, 1
+  store { ptr, i64, i64 } %t42, ptr %a43
+  call void @finch_str_copy(ptr %a44, ptr %a43)
+  %t45 = load { ptr, i64, i64 }, ptr %a44
+  store %S.lexer.Token %t41, ptr %a46
+  call void @finch.drop.S_lexer_Token(ptr %a46)
+  store { ptr, i64, i64 } %t45, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.716, i64 3, i64 0 }, ptr %a48
+  %t49 = call i32 @finch_str_eq(ptr %a47, ptr %a48)
+  %t50 = icmp ne i32 %t49, 0
+  store { ptr, i64, i64 } %t45, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %logic.from1311
+logic.from1311:
+  br i1 %t50, label %logic.end1313, label %logic.rhs1312
+logic.rhs1312:
+  %t52 = load ptr, ptr %a1
+  %t53 = call %S.lexer.Token @finch.parser.cur(ptr %t52)
+  %t54 = extractvalue %S.lexer.Token %t53, 1
   store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.708, i64 3, i64 0 }, ptr %a56
-  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
-  %t58 = icmp ne i32 %t57, 0
-  br label %logic.rend1253
-logic.rend1253:
-  br label %logic.end1252
-logic.end1252:
-  %t59 = phi i1 [ true, %logic.from1250 ], [ %t58, %logic.rend1253 ]
-  br label %logic.from1254
-logic.from1254:
-  br i1 %t59, label %logic.rhs1255, label %logic.end1256
-logic.rhs1255:
-  %t60 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t60, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.709, i64 1, i64 0 }, ptr %a62
-  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
-  %t64 = icmp ne i32 %t63, 0
-  br label %logic.rend1257
-logic.rend1257:
-  br label %logic.end1256
-logic.end1256:
-  %t65 = phi i1 [ false, %logic.from1254 ], [ %t64, %logic.rend1257 ]
-  br i1 %t65, label %then1258, label %endif1260
-then1258:
+  call void @finch_str_copy(ptr %a56, ptr %a55)
+  %t57 = load { ptr, i64, i64 }, ptr %a56
+  store %S.lexer.Token %t53, ptr %a58
+  call void @finch.drop.S_lexer_Token(ptr %a58)
+  store { ptr, i64, i64 } %t57, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.717, i64 3, i64 0 }, ptr %a60
+  %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
+  %t62 = icmp ne i32 %t61, 0
+  store { ptr, i64, i64 } %t57, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  br label %logic.rend1314
+logic.rend1314:
+  br label %logic.end1313
+logic.end1313:
+  %t64 = phi i1 [ true, %logic.from1311 ], [ %t62, %logic.rend1314 ]
+  br label %logic.from1315
+logic.from1315:
+  br i1 %t64, label %logic.rhs1316, label %logic.end1317
+logic.rhs1316:
+  %t65 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t65, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.718, i64 1, i64 0 }, ptr %a67
+  %t68 = call i32 @finch_str_eq(ptr %a66, ptr %a67)
+  %t69 = icmp ne i32 %t68, 0
+  br label %logic.rend1318
+logic.rend1318:
+  br label %logic.end1317
+logic.end1317:
+  %t70 = phi i1 [ false, %logic.from1315 ], [ %t69, %logic.rend1318 ]
+  br i1 %t70, label %then1319, label %endif1321
+then1319:
+  call void @finch_str_drop(ptr %a18)
   ret i1 true
-endif1260:
-  %t66 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.710, i64 1, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp ne i32 %t69, 0
-  br label %logic.from1261
-logic.from1261:
-  br i1 %t70, label %logic.rhs1262, label %logic.end1263
-logic.rhs1262:
-  %t71 = load ptr, ptr %a1
-  %t72 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t71, i64 2)
-  store { ptr, i64, i64 } %t72, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.711, i64 5, i64 0 }, ptr %a74
-  %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
-  %t76 = icmp ne i32 %t75, 0
-  br label %logic.rend1264
-logic.rend1264:
-  br label %logic.end1263
-logic.end1263:
-  %t77 = phi i1 [ false, %logic.from1261 ], [ %t76, %logic.rend1264 ]
-  br label %logic.from1265
-logic.from1265:
-  br i1 %t77, label %logic.rhs1266, label %logic.end1267
-logic.rhs1266:
-  %t78 = load ptr, ptr %a1
-  %t79 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t78, i64 3)
-  store { ptr, i64, i64 } %t79, ptr %a80
-  store { ptr, i64, i64 } { ptr @.str.712, i64 5, i64 0 }, ptr %a81
-  %t82 = call i32 @finch_str_eq(ptr %a80, ptr %a81)
-  %t83 = icmp ne i32 %t82, 0
-  br label %logic.rend1268
-logic.rend1268:
-  br label %logic.end1267
-logic.end1267:
-  %t84 = phi i1 [ false, %logic.from1265 ], [ %t83, %logic.rend1268 ]
-  br label %logic.from1269
-logic.from1269:
-  br i1 %t84, label %logic.rhs1270, label %logic.end1271
-logic.rhs1270:
-  %t85 = load ptr, ptr %a1
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic1272, label %ok1273
-panic1272:
-  call void @finch_panic(ptr @.str.713, i64 215, ptr @.str.714)
+endif1321:
+  %t71 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t71, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.719, i64 1, i64 0 }, ptr %a73
+  %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
+  %t75 = icmp ne i32 %t74, 0
+  br label %logic.from1322
+logic.from1322:
+  br i1 %t75, label %logic.rhs1323, label %logic.end1324
+logic.rhs1323:
+  %t76 = load ptr, ptr %a1
+  %t77 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t76, i64 2)
+  store { ptr, i64, i64 } %t77, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.720, i64 5, i64 0 }, ptr %a79
+  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
+  %t81 = icmp ne i32 %t80, 0
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  br label %logic.rend1325
+logic.rend1325:
+  br label %logic.end1324
+logic.end1324:
+  %t83 = phi i1 [ false, %logic.from1322 ], [ %t81, %logic.rend1325 ]
+  br label %logic.from1326
+logic.from1326:
+  br i1 %t83, label %logic.rhs1327, label %logic.end1328
+logic.rhs1327:
+  %t84 = load ptr, ptr %a1
+  %t85 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t84, i64 3)
+  store { ptr, i64, i64 } %t85, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.721, i64 5, i64 0 }, ptr %a87
+  %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
+  %t89 = icmp ne i32 %t88, 0
+  store { ptr, i64, i64 } %t85, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  br label %logic.rend1329
+logic.rend1329:
+  br label %logic.end1328
+logic.end1328:
+  %t91 = phi i1 [ false, %logic.from1326 ], [ %t89, %logic.rend1329 ]
+  br label %logic.from1330
+logic.from1330:
+  br i1 %t91, label %logic.rhs1331, label %logic.end1332
+logic.rhs1331:
+  %t92 = load ptr, ptr %a1
+  %t93 = icmp eq ptr %t92, null
+  br i1 %t93, label %panic1333, label %ok1334
+panic1333:
+  call void @finch_panic(ptr @.str.722, i64 215, ptr @.str.723)
   unreachable
-ok1273:
-  %t87 = getelementptr inbounds %S.parser.Parser, ptr %t85, i32 0, i32 0
-  %t88 = load ptr, ptr %a1
-  %t89 = icmp eq ptr %t88, null
-  br i1 %t89, label %panic1274, label %ok1275
-panic1274:
-  call void @finch_panic(ptr @.str.715, i64 215, ptr @.str.716)
+ok1334:
+  %t94 = getelementptr inbounds %S.parser.Parser, ptr %t92, i32 0, i32 0
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic1335, label %ok1336
+panic1335:
+  call void @finch_panic(ptr @.str.724, i64 215, ptr @.str.725)
   unreachable
-ok1275:
-  %t90 = getelementptr inbounds %S.parser.Parser, ptr %t88, i32 0, i32 1
-  %t91 = load i64, ptr %t90
-  %t92 = add i64 %t91, 3
-  %t93 = load { ptr, i64, i64 }, ptr %t87
-  %t94 = extractvalue { ptr, i64, i64 } %t93, 1
-  %t95 = icmp uge i64 %t92, %t94
-  br i1 %t95, label %range1276, label %inrange1277
-range1276:
-  call void @finch_panic_index(ptr @.str.717, i64 215, i64 %t92, i64 %t94)
+ok1336:
+  %t97 = getelementptr inbounds %S.parser.Parser, ptr %t95, i32 0, i32 1
+  %t98 = load i64, ptr %t97
+  %t99 = add i64 %t98, 3
+  %t100 = load { ptr, i64, i64 }, ptr %t94
+  %t101 = extractvalue { ptr, i64, i64 } %t100, 1
+  %t102 = icmp uge i64 %t99, %t101
+  br i1 %t102, label %range1337, label %inrange1338
+range1337:
+  call void @finch_panic_index(ptr @.str.726, i64 215, i64 %t99, i64 %t101)
   unreachable
-inrange1277:
-  %t96 = extractvalue { ptr, i64, i64 } %t93, 0
-  %t97 = getelementptr inbounds %S.lexer.Token, ptr %t96, i64 %t92
-  %t98 = getelementptr inbounds %S.lexer.Token, ptr %t97, i32 0, i32 4
-  %t99 = load i1, ptr %t98
-  %t100 = xor i1 %t99, true
-  br label %logic.rend1278
-logic.rend1278:
-  br label %logic.end1271
-logic.end1271:
-  %t101 = phi i1 [ false, %logic.from1269 ], [ %t100, %logic.rend1278 ]
-  ret i1 %t101
+inrange1338:
+  %t103 = extractvalue { ptr, i64, i64 } %t100, 0
+  %t104 = getelementptr inbounds %S.lexer.Token, ptr %t103, i64 %t99
+  %t105 = getelementptr inbounds %S.lexer.Token, ptr %t104, i32 0, i32 4
+  %t106 = load i1, ptr %t105
+  %t107 = xor i1 %t106, true
+  br label %logic.rend1339
+logic.rend1339:
+  br label %logic.end1332
+logic.end1332:
+  %t108 = phi i1 [ false, %logic.from1330 ], [ %t107, %logic.rend1339 ]
+  call void @finch_str_drop(ptr %a18)
+  ret i1 %t108
 }
 
 define internal void @finch.parser.endOfStatement(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca %S.lexer.Token, align 16
+  %a18 = alloca %S.lexer.Token, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca %S.lexer.Token, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.718, i64 1, i64 0 })
-  br label %logic.from1279
-logic.from1279:
-  br i1 %t3, label %logic.end1281, label %logic.rhs1280
-logic.rhs1280:
+  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.727, i64 1, i64 0 })
+  br label %logic.from1340
+logic.from1340:
+  br i1 %t3, label %logic.end1342, label %logic.rhs1341
+logic.rhs1341:
   %t4 = load ptr, ptr %a1
-  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.719, i64 3, i64 0 })
-  br label %logic.rend1282
-logic.rend1282:
-  br label %logic.end1281
-logic.end1281:
-  %t6 = phi i1 [ true, %logic.from1279 ], [ %t5, %logic.rend1282 ]
-  br label %logic.from1283
-logic.from1283:
-  br i1 %t6, label %logic.end1285, label %logic.rhs1284
-logic.rhs1284:
+  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.728, i64 3, i64 0 })
+  br label %logic.rend1343
+logic.rend1343:
+  br label %logic.end1342
+logic.end1342:
+  %t6 = phi i1 [ true, %logic.from1340 ], [ %t5, %logic.rend1343 ]
+  br label %logic.from1344
+logic.from1344:
+  br i1 %t6, label %logic.end1346, label %logic.rhs1345
+logic.rhs1345:
   %t7 = load ptr, ptr %a1
   %t8 = call %S.lexer.Token @finch.parser.cur(ptr %t7)
   %t9 = extractvalue %S.lexer.Token %t8, 4
-  br label %logic.rend1286
-logic.rend1286:
-  br label %logic.end1285
-logic.end1285:
-  %t10 = phi i1 [ true, %logic.from1283 ], [ %t9, %logic.rend1286 ]
-  br i1 %t10, label %then1287, label %endif1289
-then1287:
+  store %S.lexer.Token %t8, ptr %a10
+  call void @finch.drop.S_lexer_Token(ptr %a10)
+  br label %logic.rend1347
+logic.rend1347:
+  br label %logic.end1346
+logic.end1346:
+  %t11 = phi i1 [ true, %logic.from1344 ], [ %t9, %logic.rend1347 ]
+  br i1 %t11, label %then1348, label %endif1350
+then1348:
   ret void
-endif1289:
-  %t11 = load ptr, ptr %a1
+endif1350:
   %t12 = load ptr, ptr %a1
-  %t13 = call %S.lexer.Token @finch.parser.cur(ptr %t12)
-  %t14 = load ptr, ptr %a1
-  %t15 = call %S.lexer.Token @finch.parser.cur(ptr %t14)
-  %t16 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t15)
-  store { ptr, i64, i64 } { ptr @.str.720, i64 11, i64 0 }, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.721, i64 37, i64 0 }, ptr %a23
-  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  call void @finch.parser.fail(ptr %t11, %S.lexer.Token %t13, { ptr, i64, i64 } %t24)
+  %t13 = load ptr, ptr %a1
+  %t14 = call %S.lexer.Token @finch.parser.cur(ptr %t13)
+  %t15 = load ptr, ptr %a1
+  %t16 = call %S.lexer.Token @finch.parser.cur(ptr %t15)
+  %t17 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t16)
+  store %S.lexer.Token %t16, ptr %a18
+  call void @finch.drop.S_lexer_Token(ptr %a18)
+  store { ptr, i64, i64 } { ptr @.str.729, i64 11, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t17, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.730, i64 37, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  call void @finch.parser.fail(ptr %t12, %S.lexer.Token %t14, { ptr, i64, i64 } %t28)
+  store %S.lexer.Token %t14, ptr %a29
+  call void @finch.drop.S_lexer_Token(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a30
+  call void @finch_str_drop(ptr %a30)
   ret void
 }
 
@@ -15335,77 +17070,83 @@ entry:
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca %S.lexer.Token, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca %S.lexer.Token, align 16
+  %a87 = alloca %S.lexer.Token, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca %S.lexer.Token, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca i1, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca i1, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca %S.ast.Program, align 16
-  %a174 = alloca %S.ast.Program, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Program zeroinitializer, ptr %a2
-  br label %while.cond1290
-while.cond1290:
+  br label %while.cond1351
+while.cond1351:
   %t3 = load ptr, ptr %a1
-  %t4 = call i1 @finch.parser.at(ptr %t3, { ptr, i64, i64 } { ptr @.str.722, i64 3, i64 0 })
+  %t4 = call i1 @finch.parser.at(ptr %t3, { ptr, i64, i64 } { ptr @.str.731, i64 3, i64 0 })
   %t5 = xor i1 %t4, true
-  br i1 %t5, label %while.body1291, label %while.end1292
-while.body1291:
+  br i1 %t5, label %while.body1352, label %while.end1353
+while.body1352:
   %t6 = load ptr, ptr %a1
-  %t7 = call i1 @finch.parser.at(ptr %t6, { ptr, i64, i64 } { ptr @.str.723, i64 6, i64 0 })
-  br i1 %t7, label %then1293, label %else1294
-then1293:
+  %t7 = call i1 @finch.parser.at(ptr %t6, { ptr, i64, i64 } { ptr @.str.732, i64 6, i64 0 })
+  br i1 %t7, label %then1354, label %else1355
+then1354:
   %t8 = load ptr, ptr %a1
   %t9 = call %S.lexer.Token @finch.parser.next(ptr %t8)
   store %S.lexer.Token %t9, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.724, i64 6, i64 0 })
-  br i1 %t12, label %then1296, label %else1297
-then1296:
+  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.733, i64 6, i64 0 })
+  br i1 %t12, label %then1357, label %else1358
+then1357:
   %t13 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 4
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i32 0, i32 1
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic1299, label %ok1300
-panic1299:
-  call void @finch_panic(ptr @.str.725, i64 233, ptr @.str.726)
+  br i1 %t16, label %panic1360, label %ok1361
+panic1360:
+  call void @finch_panic(ptr @.str.734, i64 233, ptr @.str.735)
   unreachable
-ok1300:
+ok1361:
   %t17 = getelementptr inbounds %S.parser.Parser, ptr %t15, i32 0, i32 4
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.727, i64 1, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.736, i64 1, i64 0 }, ptr %a21
   call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
   %t22 = load { ptr, i64, i64 }, ptr %a19
   %t23 = getelementptr inbounds %S.lexer.Token, ptr %a10, i32 0, i32 2
@@ -15415,224 +17156,230 @@ ok1300:
   store { ptr, i64, i64 } %t22, ptr %a28
   store { ptr, i64, i64 } %t26, ptr %a29
   call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.728, i64 1, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = getelementptr inbounds %S.lexer.Token, ptr %a10, i32 0, i32 3
-  %t36 = load i64, ptr %t35
-  call void @finch_str_from_int(ptr %a37, i64 %t36)
-  %t38 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } %t34, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load i64, ptr %t14
-  %t44 = add i64 %t43, 1
-  call void @finch_arr_reserve(ptr %t13, i64 %t44, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t45 = load ptr, ptr %t13
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t43
-  store { ptr, i64, i64 } %t42, ptr %t46
-  store i64 %t44, ptr %t14
-  %t47 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 3
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i32 0, i32 1
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.next(ptr %t49)
-  %t51 = extractvalue %S.lexer.Token %t50, 1
-  store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  %t55 = load i64, ptr %t48
-  %t56 = add i64 %t55, 1
-  call void @finch_arr_reserve(ptr %t47, i64 %t56, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t57 = load ptr, ptr %t47
-  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t57, i64 %t55
-  store { ptr, i64, i64 } %t54, ptr %t58
-  store i64 %t56, ptr %t48
-  br label %endif1298
-else1297:
-  %t59 = load ptr, ptr %a1
-  %t60 = call i1 @finch.parser.at(ptr %t59, { ptr, i64, i64 } { ptr @.str.729, i64 5, i64 0 })
-  %t61 = xor i1 %t60, true
-  br i1 %t61, label %then1301, label %endif1303
-then1301:
-  %t62 = load ptr, ptr %a1
-  %t63 = load %S.lexer.Token, ptr %a10
-  call void @finch.parser.fail(ptr %t62, %S.lexer.Token %t63, { ptr, i64, i64 } { ptr @.str.730, i64 51, i64 0 })
-  br label %endif1303
-endif1303:
-  %t64 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 2
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.next(ptr %t66)
-  %t68 = extractvalue %S.lexer.Token %t67, 1
-  store { ptr, i64, i64 } %t68, ptr %a69
-  call void @finch_str_copy(ptr %a70, ptr %a69)
-  %t71 = load { ptr, i64, i64 }, ptr %a70
-  %t72 = load i64, ptr %t65
-  %t73 = add i64 %t72, 1
-  call void @finch_arr_reserve(ptr %t64, i64 %t73, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t74 = load ptr, ptr %t64
-  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t74, i64 %t72
-  store { ptr, i64, i64 } %t71, ptr %t75
-  store i64 %t73, ptr %t65
-  br label %endif1298
-endif1298:
-  br label %endif1295
-else1294:
-  %t76 = load ptr, ptr %a1
-  %t77 = call i1 @finch.parser.at(ptr %t76, { ptr, i64, i64 } { ptr @.str.731, i64 4, i64 0 })
-  br i1 %t77, label %then1304, label %else1305
-then1304:
-  %t78 = load ptr, ptr %a1
-  %t79 = call %S.lexer.Token @finch.parser.next(ptr %t78)
-  store %S.lexer.Token %t79, ptr %a80
-  %t81 = load ptr, ptr %a1
-  %t82 = call %S.lexer.Token @finch.parser.expect(ptr %t81, { ptr, i64, i64 } { ptr @.str.732, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.733, i64 42, i64 0 })
-  %t83 = extractvalue %S.lexer.Token %t82, 1
-  store { ptr, i64, i64 } %t83, ptr %a84
-  call void @finch_str_copy(ptr %a85, ptr %a84)
-  %t86 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t88, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.735, i64 2, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_ends(ptr %a89, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br label %logic.from1307
-logic.from1307:
-  br i1 %t93, label %logic.end1309, label %logic.rhs1308
-logic.rhs1308:
-  %t94 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t94, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.737, i64 2, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_ends(ptr %a95, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.rend1310
-logic.rend1310:
-  br label %logic.end1309
-logic.end1309:
-  %t100 = phi i1 [ true, %logic.from1307 ], [ %t99, %logic.rend1310 ]
-  br label %logic.from1311
-logic.from1311:
-  br i1 %t100, label %logic.end1313, label %logic.rhs1312
-logic.rhs1312:
-  %t101 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.739, i64 2, i64 0 }, ptr %a104
-  %t105 = call i32 @finch_str_ends(ptr %a102, ptr %a104)
-  %t106 = icmp ne i32 %t105, 0
-  br label %logic.rend1314
-logic.rend1314:
-  br label %logic.end1313
-logic.end1313:
-  %t107 = phi i1 [ true, %logic.from1311 ], [ %t106, %logic.rend1314 ]
-  store i1 %t107, ptr %a108
-  %t109 = load i1, ptr %a108
-  %t110 = xor i1 %t109, true
-  br label %logic.from1315
-logic.from1315:
-  br i1 %t110, label %logic.rhs1316, label %logic.end1317
-logic.rhs1316:
-  %t111 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.741, i64 3, i64 0 }, ptr %a114
-  %t115 = call i32 @finch_str_starts(ptr %a112, ptr %a114)
-  %t116 = icmp ne i32 %t115, 0
-  br label %logic.from1318
-logic.from1318:
-  br i1 %t116, label %logic.end1320, label %logic.rhs1319
-logic.rhs1319:
-  %t117 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.743, i64 3, i64 0 }, ptr %a120
-  %t121 = call i64 @finch_str_find(ptr %a118, ptr %a120)
-  %t122 = icmp sge i64 %t121, 0
-  br label %logic.rend1321
-logic.rend1321:
-  br label %logic.end1320
-logic.end1320:
-  %t123 = phi i1 [ true, %logic.from1318 ], [ %t122, %logic.rend1321 ]
-  br label %logic.from1322
-logic.from1322:
-  br i1 %t123, label %logic.end1324, label %logic.rhs1323
-logic.rhs1323:
-  %t124 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.745, i64 1, i64 0 }, ptr %a127
-  %t128 = call i64 @finch_str_find(ptr %a125, ptr %a127)
-  %t129 = icmp sge i64 %t128, 0
-  br label %logic.rend1325
-logic.rend1325:
-  br label %logic.end1324
-logic.end1324:
-  %t130 = phi i1 [ true, %logic.from1322 ], [ %t129, %logic.rend1325 ]
-  br label %logic.rend1326
-logic.rend1326:
-  br label %logic.end1317
-logic.end1317:
-  %t131 = phi i1 [ false, %logic.from1315 ], [ %t130, %logic.rend1326 ]
-  br i1 %t131, label %then1327, label %endif1329
-then1327:
-  %t132 = load ptr, ptr %a1
-  %t133 = load %S.lexer.Token, ptr %a80
-  call void @finch.parser.fail(ptr %t132, %S.lexer.Token %t133, { ptr, i64, i64 } { ptr @.str.746, i64 65, i64 0 })
-  br label %endif1329
-endif1329:
-  %t134 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 5
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i32 0, i32 1
-  %t136 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t136, ptr %a137
-  call void @finch_str_copy(ptr %a138, ptr %a137)
-  %t139 = load { ptr, i64, i64 }, ptr %a138
-  %t140 = load i64, ptr %t135
-  %t141 = add i64 %t140, 1
-  call void @finch_arr_reserve(ptr %t134, i64 %t141, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t142 = load ptr, ptr %t134
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i64 %t140
-  store { ptr, i64, i64 } %t139, ptr %t143
-  store i64 %t141, ptr %t135
-  br label %endif1306
-else1305:
-  %t144 = load ptr, ptr %a1
-  %t145 = call i1 @finch.parser.at(ptr %t144, { ptr, i64, i64 } { ptr @.str.747, i64 6, i64 0 })
-  br i1 %t145, label %then1330, label %else1331
-then1330:
-  %t146 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 6
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i32 0, i32 1
-  %t148 = load ptr, ptr %a1
-  %t149 = call %S.ast.Node @finch.parser.parseStruct(ptr %t148)
-  %t150 = load i64, ptr %t147
-  %t151 = add i64 %t150, 1
-  call void @finch_arr_reserve(ptr %t146, i64 %t151, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t152 = load ptr, ptr %t146
-  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 %t150
-  store %S.ast.Node %t149, ptr %t153
-  store i64 %t151, ptr %t147
-  br label %endif1332
-else1331:
-  %t154 = load ptr, ptr %a1
-  %t155 = call i1 @finch.parser.at(ptr %t154, { ptr, i64, i64 } { ptr @.str.748, i64 4, i64 0 })
-  br i1 %t155, label %then1333, label %else1334
-then1333:
-  %t156 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 7
-  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i32 0, i32 1
-  %t158 = load ptr, ptr %a1
-  %t159 = call %S.ast.Node @finch.parser.parseEnum(ptr %t158)
-  %t160 = load i64, ptr %t157
-  %t161 = add i64 %t160, 1
-  call void @finch_arr_reserve(ptr %t156, i64 %t161, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t162 = load ptr, ptr %t156
-  %t163 = getelementptr inbounds %S.ast.Node, ptr %t162, i64 %t160
-  store %S.ast.Node %t159, ptr %t163
-  store i64 %t161, ptr %t157
-  br label %endif1335
-else1334:
-  %t164 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 8
+  store { ptr, i64, i64 } %t22, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.737, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = getelementptr inbounds %S.lexer.Token, ptr %a10, i32 0, i32 3
+  %t39 = load i64, ptr %t38
+  call void @finch_str_from_int(ptr %a40, i64 %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t37, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t37, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a42
+  %t48 = load i64, ptr %t14
+  %t49 = add i64 %t48, 1
+  call void @finch_arr_reserve(ptr %t13, i64 %t49, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t50 = load ptr, ptr %t13
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t48
+  store { ptr, i64, i64 } %t47, ptr %t51
+  store i64 %t49, ptr %t14
+  %t52 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 3
+  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i32 0, i32 1
+  %t54 = load ptr, ptr %a1
+  %t55 = call %S.lexer.Token @finch.parser.next(ptr %t54)
+  %t56 = extractvalue %S.lexer.Token %t55, 1
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_copy(ptr %a58, ptr %a57)
+  %t59 = load { ptr, i64, i64 }, ptr %a58
+  store %S.lexer.Token %t55, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  %t61 = load i64, ptr %t53
+  %t62 = add i64 %t61, 1
+  call void @finch_arr_reserve(ptr %t52, i64 %t62, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t63 = load ptr, ptr %t52
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i64 %t61
+  store { ptr, i64, i64 } %t59, ptr %t64
+  store i64 %t62, ptr %t53
+  br label %endif1359
+else1358:
+  %t65 = load ptr, ptr %a1
+  %t66 = call i1 @finch.parser.at(ptr %t65, { ptr, i64, i64 } { ptr @.str.738, i64 5, i64 0 })
+  %t67 = xor i1 %t66, true
+  br i1 %t67, label %then1362, label %endif1364
+then1362:
+  %t68 = load ptr, ptr %a1
+  %t69 = load %S.lexer.Token, ptr %a10
+  call void @finch.parser.fail(ptr %t68, %S.lexer.Token %t69, { ptr, i64, i64 } { ptr @.str.739, i64 51, i64 0 })
+  br label %endif1364
+endif1364:
+  %t70 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 2
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
+  %t72 = load ptr, ptr %a1
+  %t73 = call %S.lexer.Token @finch.parser.next(ptr %t72)
+  %t74 = extractvalue %S.lexer.Token %t73, 1
+  store { ptr, i64, i64 } %t74, ptr %a75
+  call void @finch_str_copy(ptr %a76, ptr %a75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  store %S.lexer.Token %t73, ptr %a78
+  call void @finch.drop.S_lexer_Token(ptr %a78)
+  %t79 = load i64, ptr %t71
+  %t80 = add i64 %t79, 1
+  call void @finch_arr_reserve(ptr %t70, i64 %t80, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t81 = load ptr, ptr %t70
+  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %t81, i64 %t79
+  store { ptr, i64, i64 } %t77, ptr %t82
+  store i64 %t80, ptr %t71
+  br label %endif1359
+endif1359:
+  call void @finch.drop.S_lexer_Token(ptr %a10)
+  br label %endif1356
+else1355:
+  %t83 = load ptr, ptr %a1
+  %t84 = call i1 @finch.parser.at(ptr %t83, { ptr, i64, i64 } { ptr @.str.740, i64 4, i64 0 })
+  br i1 %t84, label %then1365, label %else1366
+then1365:
+  %t85 = load ptr, ptr %a1
+  %t86 = call %S.lexer.Token @finch.parser.next(ptr %t85)
+  store %S.lexer.Token %t86, ptr %a87
+  %t88 = load ptr, ptr %a1
+  %t89 = call %S.lexer.Token @finch.parser.expect(ptr %t88, { ptr, i64, i64 } { ptr @.str.741, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.742, i64 42, i64 0 })
+  %t90 = extractvalue %S.lexer.Token %t89, 1
+  store { ptr, i64, i64 } %t90, ptr %a91
+  call void @finch_str_copy(ptr %a92, ptr %a91)
+  %t93 = load { ptr, i64, i64 }, ptr %a92
+  store %S.lexer.Token %t89, ptr %a94
+  call void @finch.drop.S_lexer_Token(ptr %a94)
+  store { ptr, i64, i64 } %t93, ptr %a95
+  %t96 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t96, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.744, i64 2, i64 0 }, ptr %a99
+  %t100 = call i32 @finch_str_ends(ptr %a97, ptr %a99)
+  %t101 = icmp ne i32 %t100, 0
+  br label %logic.from1368
+logic.from1368:
+  br i1 %t101, label %logic.end1370, label %logic.rhs1369
+logic.rhs1369:
+  %t102 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.746, i64 2, i64 0 }, ptr %a105
+  %t106 = call i32 @finch_str_ends(ptr %a103, ptr %a105)
+  %t107 = icmp ne i32 %t106, 0
+  br label %logic.rend1371
+logic.rend1371:
+  br label %logic.end1370
+logic.end1370:
+  %t108 = phi i1 [ true, %logic.from1368 ], [ %t107, %logic.rend1371 ]
+  br label %logic.from1372
+logic.from1372:
+  br i1 %t108, label %logic.end1374, label %logic.rhs1373
+logic.rhs1373:
+  %t109 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t109, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.748, i64 2, i64 0 }, ptr %a112
+  %t113 = call i32 @finch_str_ends(ptr %a110, ptr %a112)
+  %t114 = icmp ne i32 %t113, 0
+  br label %logic.rend1375
+logic.rend1375:
+  br label %logic.end1374
+logic.end1374:
+  %t115 = phi i1 [ true, %logic.from1372 ], [ %t114, %logic.rend1375 ]
+  store i1 %t115, ptr %a116
+  %t117 = load i1, ptr %a116
+  %t118 = xor i1 %t117, true
+  br label %logic.from1376
+logic.from1376:
+  br i1 %t118, label %logic.rhs1377, label %logic.end1378
+logic.rhs1377:
+  %t119 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t119, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.750, i64 3, i64 0 }, ptr %a122
+  %t123 = call i32 @finch_str_starts(ptr %a120, ptr %a122)
+  %t124 = icmp ne i32 %t123, 0
+  br label %logic.from1379
+logic.from1379:
+  br i1 %t124, label %logic.end1381, label %logic.rhs1380
+logic.rhs1380:
+  %t125 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t125, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.752, i64 3, i64 0 }, ptr %a128
+  %t129 = call i64 @finch_str_find(ptr %a126, ptr %a128)
+  %t130 = icmp sge i64 %t129, 0
+  br label %logic.rend1382
+logic.rend1382:
+  br label %logic.end1381
+logic.end1381:
+  %t131 = phi i1 [ true, %logic.from1379 ], [ %t130, %logic.rend1382 ]
+  br label %logic.from1383
+logic.from1383:
+  br i1 %t131, label %logic.end1385, label %logic.rhs1384
+logic.rhs1384:
+  %t132 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t132, ptr %a133
+  store { ptr, i64, i64 } { ptr @.str.754, i64 1, i64 0 }, ptr %a135
+  %t136 = call i64 @finch_str_find(ptr %a133, ptr %a135)
+  %t137 = icmp sge i64 %t136, 0
+  br label %logic.rend1386
+logic.rend1386:
+  br label %logic.end1385
+logic.end1385:
+  %t138 = phi i1 [ true, %logic.from1383 ], [ %t137, %logic.rend1386 ]
+  br label %logic.rend1387
+logic.rend1387:
+  br label %logic.end1378
+logic.end1378:
+  %t139 = phi i1 [ false, %logic.from1376 ], [ %t138, %logic.rend1387 ]
+  br i1 %t139, label %then1388, label %endif1390
+then1388:
+  %t140 = load ptr, ptr %a1
+  %t141 = load %S.lexer.Token, ptr %a87
+  call void @finch.parser.fail(ptr %t140, %S.lexer.Token %t141, { ptr, i64, i64 } { ptr @.str.755, i64 65, i64 0 })
+  br label %endif1390
+endif1390:
+  %t142 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 5
+  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i32 0, i32 1
+  %t144 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t144, ptr %a145
+  call void @finch_str_copy(ptr %a146, ptr %a145)
+  %t147 = load { ptr, i64, i64 }, ptr %a146
+  %t148 = load i64, ptr %t143
+  %t149 = add i64 %t148, 1
+  call void @finch_arr_reserve(ptr %t142, i64 %t149, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t150 = load ptr, ptr %t142
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t148
+  store { ptr, i64, i64 } %t147, ptr %t151
+  store i64 %t149, ptr %t143
+  call void @finch_str_drop(ptr %a95)
+  call void @finch.drop.S_lexer_Token(ptr %a87)
+  br label %endif1367
+else1366:
+  %t152 = load ptr, ptr %a1
+  %t153 = call i1 @finch.parser.at(ptr %t152, { ptr, i64, i64 } { ptr @.str.756, i64 6, i64 0 })
+  br i1 %t153, label %then1391, label %else1392
+then1391:
+  %t154 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 6
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i32 0, i32 1
+  %t156 = load ptr, ptr %a1
+  %t157 = call %S.ast.Node @finch.parser.parseStruct(ptr %t156)
+  %t158 = load i64, ptr %t155
+  %t159 = add i64 %t158, 1
+  call void @finch_arr_reserve(ptr %t154, i64 %t159, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t160 = load ptr, ptr %t154
+  %t161 = getelementptr inbounds %S.ast.Node, ptr %t160, i64 %t158
+  store %S.ast.Node %t157, ptr %t161
+  store i64 %t159, ptr %t155
+  br label %endif1393
+else1392:
+  %t162 = load ptr, ptr %a1
+  %t163 = call i1 @finch.parser.at(ptr %t162, { ptr, i64, i64 } { ptr @.str.757, i64 4, i64 0 })
+  br i1 %t163, label %then1394, label %else1395
+then1394:
+  %t164 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 7
   %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i32 0, i32 1
   %t166 = load ptr, ptr %a1
-  %t167 = call %S.ast.Node @finch.parser.parseFn(ptr %t166)
+  %t167 = call %S.ast.Node @finch.parser.parseEnum(ptr %t166)
   %t168 = load i64, ptr %t165
   %t169 = add i64 %t168, 1
   call void @finch_arr_reserve(ptr %t164, i64 %t169, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
@@ -15640,172 +17387,228 @@ else1334:
   %t171 = getelementptr inbounds %S.ast.Node, ptr %t170, i64 %t168
   store %S.ast.Node %t167, ptr %t171
   store i64 %t169, ptr %t165
-  br label %endif1335
-endif1335:
-  br label %endif1332
-endif1332:
-  br label %endif1306
-endif1306:
-  br label %endif1295
-endif1295:
-  br label %while.cond1290
-while.end1292:
-  %t172 = load %S.ast.Program, ptr %a2
-  store %S.ast.Program %t172, ptr %a173
-  call void @finch.copy.S_ast_Program(ptr %a174, ptr %a173)
-  %t175 = load %S.ast.Program, ptr %a174
-  ret %S.ast.Program %t175
+  br label %endif1396
+else1395:
+  %t172 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 8
+  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i32 0, i32 1
+  %t174 = load ptr, ptr %a1
+  %t175 = call %S.ast.Node @finch.parser.parseFn(ptr %t174)
+  %t176 = load i64, ptr %t173
+  %t177 = add i64 %t176, 1
+  call void @finch_arr_reserve(ptr %t172, i64 %t177, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t178 = load ptr, ptr %t172
+  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i64 %t176
+  store %S.ast.Node %t175, ptr %t179
+  store i64 %t177, ptr %t173
+  br label %endif1396
+endif1396:
+  br label %endif1393
+endif1393:
+  br label %endif1367
+endif1367:
+  br label %endif1356
+endif1356:
+  br label %while.cond1351
+while.end1353:
+  %t180 = load %S.ast.Program, ptr %a2
+  ret %S.ast.Program %t180
 }
 
 define internal %S.ast.Node @finch.parser.parseEnum(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca %S.lexer.Token, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca %S.ast.Node, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca %S.lexer.Token, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.lexer.Token, align 16
+  %a29 = alloca %S.lexer.Token, align 16
+  %a32 = alloca %S.ast.Node, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca %S.ast.Node, align 16
-  %a55 = alloca %S.ast.Node, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca %S.ast.Node, align 16
-  %a86 = alloca %S.ast.Node, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca %S.lexer.Token, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.lexer.Token, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca %S.ast.Node, align 16
+  %a70 = alloca %S.ast.Node, align 16
+  %a82 = alloca %S.lexer.Token, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca %S.lexer.Token, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.749, i64 4, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.758, i64 4, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.750, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.751, i64 6, i64 0 })
-  %t7 = load ptr, ptr %a1
-  %t8 = call %S.lexer.Token @finch.parser.expect(ptr %t7, { ptr, i64, i64 } { ptr @.str.752, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.753, i64 12, i64 0 })
-  %t9 = extractvalue %S.lexer.Token %t8, 1
-  store { ptr, i64, i64 } %t9, ptr %a10
-  call void @finch_str_copy(ptr %a11, ptr %a10)
-  %t12 = load { ptr, i64, i64 }, ptr %a11
-  %t13 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t12, ptr %t13
-  %t14 = load ptr, ptr %a1
-  %t15 = call %S.lexer.Token @finch.parser.expect(ptr %t14, { ptr, i64, i64 } { ptr @.str.754, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.755, i64 3, i64 0 })
-  br label %while.cond1336
-while.cond1336:
-  %t16 = load ptr, ptr %a1
-  %t17 = call i1 @finch.parser.at(ptr %t16, { ptr, i64, i64 } { ptr @.str.756, i64 1, i64 0 })
-  %t18 = xor i1 %t17, true
-  br i1 %t18, label %while.body1337, label %while.end1338
-while.body1337:
-  %t19 = load ptr, ptr %a1
-  %t20 = call i1 @finch.parser.at(ptr %t19, { ptr, i64, i64 } { ptr @.str.757, i64 3, i64 0 })
-  br i1 %t20, label %then1339, label %endif1341
-then1339:
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.759, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.760, i64 6, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = load ptr, ptr %a1
+  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.761, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.762, i64 12, i64 0 })
+  %t10 = extractvalue %S.lexer.Token %t9, 1
+  store { ptr, i64, i64 } %t10, ptr %a11
+  call void @finch_str_copy(ptr %a12, ptr %a11)
+  %t13 = load { ptr, i64, i64 }, ptr %a12
+  store %S.lexer.Token %t9, ptr %a14
+  call void @finch.drop.S_lexer_Token(ptr %a14)
+  %t15 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t16 = load { ptr, i64, i64 }, ptr %t15
+  store { ptr, i64, i64 } %t13, ptr %t15
+  store { ptr, i64, i64 } %t16, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load ptr, ptr %a1
+  %t19 = call %S.lexer.Token @finch.parser.expect(ptr %t18, { ptr, i64, i64 } { ptr @.str.763, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.764, i64 3, i64 0 })
+  store %S.lexer.Token %t19, ptr %a20
+  call void @finch.drop.S_lexer_Token(ptr %a20)
+  br label %while.cond1397
+while.cond1397:
   %t21 = load ptr, ptr %a1
-  %t22 = load ptr, ptr %a1
-  %t23 = call %S.lexer.Token @finch.parser.cur(ptr %t22)
-  call void @finch.parser.fail(ptr %t21, %S.lexer.Token %t23, { ptr, i64, i64 } { ptr @.str.758, i64 37, i64 0 })
-  br label %endif1341
-endif1341:
+  %t22 = call i1 @finch.parser.at(ptr %t21, { ptr, i64, i64 } { ptr @.str.765, i64 1, i64 0 })
+  %t23 = xor i1 %t22, true
+  br i1 %t23, label %while.body1398, label %while.end1399
+while.body1398:
   %t24 = load ptr, ptr %a1
-  %t25 = call %S.ast.Node @finch.parser.node(ptr %t24, { ptr, i64, i64 } { ptr @.str.759, i64 7, i64 0 })
-  store %S.ast.Node %t25, ptr %a26
+  %t25 = call i1 @finch.parser.at(ptr %t24, { ptr, i64, i64 } { ptr @.str.766, i64 3, i64 0 })
+  br i1 %t25, label %then1400, label %endif1402
+then1400:
+  %t26 = load ptr, ptr %a1
   %t27 = load ptr, ptr %a1
-  %t28 = call %S.lexer.Token @finch.parser.expect(ptr %t27, { ptr, i64, i64 } { ptr @.str.760, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.761, i64 24, i64 0 })
-  %t29 = extractvalue %S.lexer.Token %t28, 1
-  store { ptr, i64, i64 } %t29, ptr %a30
-  call void @finch_str_copy(ptr %a31, ptr %a30)
-  %t32 = load { ptr, i64, i64 }, ptr %a31
-  %t33 = getelementptr inbounds %S.ast.Node, ptr %a26, i32 0, i32 1
-  store { ptr, i64, i64 } %t32, ptr %t33
-  %t34 = load ptr, ptr %a1
-  %t35 = call i1 @finch.parser.accept(ptr %t34, { ptr, i64, i64 } { ptr @.str.762, i64 1, i64 0 })
-  br i1 %t35, label %then1342, label %endif1344
-then1342:
-  store { ptr, i64, i64 } { ptr @.str.763, i64 0, i64 0 }, ptr %a36
-  %t37 = load ptr, ptr %a1
-  %t38 = call i1 @finch.parser.accept(ptr %t37, { ptr, i64, i64 } { ptr @.str.764, i64 1, i64 0 })
-  br i1 %t38, label %then1345, label %endif1347
-then1345:
-  store { ptr, i64, i64 } { ptr @.str.765, i64 1, i64 0 }, ptr %a36
-  br label %endif1347
-endif1347:
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load ptr, ptr %a1
-  %t41 = call %S.lexer.Token @finch.parser.expect(ptr %t40, { ptr, i64, i64 } { ptr @.str.766, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.767, i64 30, i64 0 })
-  %t42 = extractvalue %S.lexer.Token %t41, 1
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch_str_copy(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t39, ptr %a47
-  store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  %t50 = getelementptr inbounds %S.ast.Node, ptr %a26, i32 0, i32 4
-  store { ptr, i64, i64 } %t49, ptr %t50
-  br label %endif1344
-endif1344:
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i32 0, i32 1
-  %t53 = load %S.ast.Node, ptr %a26
-  store %S.ast.Node %t53, ptr %a54
-  call void @finch.copy.S_ast_Node(ptr %a55, ptr %a54)
-  %t56 = load %S.ast.Node, ptr %a55
-  %t57 = load i64, ptr %t52
-  %t58 = add i64 %t57, 1
-  call void @finch_arr_reserve(ptr %t51, i64 %t58, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t59 = load ptr, ptr %t51
-  %t60 = getelementptr inbounds %S.ast.Node, ptr %t59, i64 %t57
-  store %S.ast.Node %t56, ptr %t60
-  store i64 %t58, ptr %t52
-  %t61 = load ptr, ptr %a1
-  %t62 = call i1 @finch.parser.accept(ptr %t61, { ptr, i64, i64 } { ptr @.str.768, i64 1, i64 0 })
-  %t63 = xor i1 %t62, true
-  br i1 %t63, label %then1348, label %endif1350
-then1348:
-  %t64 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t64)
-  br label %endif1350
-endif1350:
-  br label %while.cond1336
-while.end1338:
-  %t65 = load ptr, ptr %a1
-  %t66 = call %S.lexer.Token @finch.parser.next(ptr %t65)
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
-  %t69 = load i64, ptr %t68
-  %t70 = icmp eq i64 %t69, 0
-  br i1 %t70, label %then1351, label %endif1353
-then1351:
-  %t71 = load ptr, ptr %a1
-  %t72 = load ptr, ptr %a1
-  %t73 = call %S.lexer.Token @finch.parser.cur(ptr %t72)
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  %t75 = load { ptr, i64, i64 }, ptr %t74
-  store { ptr, i64, i64 } { ptr @.str.769, i64 9, i64 0 }, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.770, i64 16, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  call void @finch.parser.fail(ptr %t71, %S.lexer.Token %t73, { ptr, i64, i64 } %t83)
-  br label %endif1353
-endif1353:
-  %t84 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t84, ptr %a85
-  call void @finch.copy.S_ast_Node(ptr %a86, ptr %a85)
-  %t87 = load %S.ast.Node, ptr %a86
-  ret %S.ast.Node %t87
+  %t28 = call %S.lexer.Token @finch.parser.cur(ptr %t27)
+  call void @finch.parser.fail(ptr %t26, %S.lexer.Token %t28, { ptr, i64, i64 } { ptr @.str.767, i64 37, i64 0 })
+  store %S.lexer.Token %t28, ptr %a29
+  call void @finch.drop.S_lexer_Token(ptr %a29)
+  br label %endif1402
+endif1402:
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.ast.Node @finch.parser.node(ptr %t30, { ptr, i64, i64 } { ptr @.str.768, i64 7, i64 0 })
+  store %S.ast.Node %t31, ptr %a32
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.lexer.Token @finch.parser.expect(ptr %t33, { ptr, i64, i64 } { ptr @.str.769, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.770, i64 24, i64 0 })
+  %t35 = extractvalue %S.lexer.Token %t34, 1
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_copy(ptr %a37, ptr %a36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  store %S.lexer.Token %t34, ptr %a39
+  call void @finch.drop.S_lexer_Token(ptr %a39)
+  %t40 = getelementptr inbounds %S.ast.Node, ptr %a32, i32 0, i32 1
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t38, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load ptr, ptr %a1
+  %t44 = call i1 @finch.parser.accept(ptr %t43, { ptr, i64, i64 } { ptr @.str.771, i64 1, i64 0 })
+  br i1 %t44, label %then1403, label %endif1405
+then1403:
+  store { ptr, i64, i64 } { ptr @.str.772, i64 0, i64 0 }, ptr %a45
+  %t46 = load ptr, ptr %a1
+  %t47 = call i1 @finch.parser.accept(ptr %t46, { ptr, i64, i64 } { ptr @.str.773, i64 1, i64 0 })
+  br i1 %t47, label %then1406, label %endif1408
+then1406:
+  %t48 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.774, i64 1, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } %t48, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  br label %endif1408
+endif1408:
+  %t50 = load { ptr, i64, i64 }, ptr %a45
+  %t51 = load ptr, ptr %a1
+  %t52 = call %S.lexer.Token @finch.parser.expect(ptr %t51, { ptr, i64, i64 } { ptr @.str.775, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.776, i64 30, i64 0 })
+  %t53 = extractvalue %S.lexer.Token %t52, 1
+  store { ptr, i64, i64 } %t53, ptr %a54
+  call void @finch_str_copy(ptr %a55, ptr %a54)
+  %t56 = load { ptr, i64, i64 }, ptr %a55
+  store %S.lexer.Token %t52, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  store { ptr, i64, i64 } %t50, ptr %a59
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
+  store { ptr, i64, i64 } %t56, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load { ptr, i64, i64 }, ptr %a58
+  %t63 = getelementptr inbounds %S.ast.Node, ptr %a32, i32 0, i32 4
+  %t64 = load { ptr, i64, i64 }, ptr %t63
+  store { ptr, i64, i64 } %t62, ptr %t63
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  call void @finch_str_drop(ptr %a45)
+  br label %endif1405
+endif1405:
+  %t66 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i32 0, i32 1
+  %t68 = load %S.ast.Node, ptr %a32
+  store %S.ast.Node %t68, ptr %a69
+  call void @finch.copy.S_ast_Node(ptr %a70, ptr %a69)
+  %t71 = load %S.ast.Node, ptr %a70
+  %t72 = load i64, ptr %t67
+  %t73 = add i64 %t72, 1
+  call void @finch_arr_reserve(ptr %t66, i64 %t73, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t74 = load ptr, ptr %t66
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t72
+  store %S.ast.Node %t71, ptr %t75
+  store i64 %t73, ptr %t67
+  %t76 = load ptr, ptr %a1
+  %t77 = call i1 @finch.parser.accept(ptr %t76, { ptr, i64, i64 } { ptr @.str.777, i64 1, i64 0 })
+  %t78 = xor i1 %t77, true
+  br i1 %t78, label %then1409, label %endif1411
+then1409:
+  %t79 = load ptr, ptr %a1
+  call void @finch.parser.endOfStatement(ptr %t79)
+  br label %endif1411
+endif1411:
+  call void @finch.drop.S_ast_Node(ptr %a32)
+  br label %while.cond1397
+while.end1399:
+  %t80 = load ptr, ptr %a1
+  %t81 = call %S.lexer.Token @finch.parser.next(ptr %t80)
+  store %S.lexer.Token %t81, ptr %a82
+  call void @finch.drop.S_lexer_Token(ptr %a82)
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = icmp eq i64 %t85, 0
+  br i1 %t86, label %then1412, label %endif1414
+then1412:
+  %t87 = load ptr, ptr %a1
+  %t88 = load ptr, ptr %a1
+  %t89 = call %S.lexer.Token @finch.parser.cur(ptr %t88)
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t91 = load { ptr, i64, i64 }, ptr %t90
+  store { ptr, i64, i64 } { ptr @.str.778, i64 9, i64 0 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.779, i64 16, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.parser.fail(ptr %t87, %S.lexer.Token %t89, { ptr, i64, i64 } %t100)
+  store %S.lexer.Token %t89, ptr %a101
+  call void @finch.drop.S_lexer_Token(ptr %a101)
+  store { ptr, i64, i64 } %t100, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif1414
+endif1414:
+  %t103 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t103
 }
 
 define internal %S.ast.Node @finch.parser.parseMatch(ptr %p0, i1 %p1) {
@@ -15813,288 +17616,307 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca i1, align 16
   %a5 = alloca %S.ast.Node, align 16
-  %a24 = alloca i64, align 16
-  %a38 = alloca %S.ast.Node, align 16
+  %a10 = alloca %S.lexer.Token, align 16
+  %a21 = alloca %S.lexer.Token, align 16
+  %a26 = alloca i64, align 16
+  %a38 = alloca %S.lexer.Token, align 16
   %a41 = alloca %S.ast.Node, align 16
-  %a59 = alloca %S.ast.Node, align 16
-  %a60 = alloca %S.ast.Node, align 16
-  %a101 = alloca %S.ast.Node, align 16
-  %a102 = alloca %S.ast.Node, align 16
-  %a126 = alloca %S.ast.Node, align 16
-  %a127 = alloca %S.ast.Node, align 16
+  %a44 = alloca %S.ast.Node, align 16
+  %a62 = alloca %S.ast.Node, align 16
+  %a63 = alloca %S.ast.Node, align 16
+  %a71 = alloca %S.lexer.Token, align 16
+  %a105 = alloca %S.ast.Node, align 16
+  %a106 = alloca %S.ast.Node, align 16
+  %a122 = alloca %S.lexer.Token, align 16
+  %a130 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   store i1 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call %S.ast.Node @finch.parser.node(ptr %t3, { ptr, i64, i64 } { ptr @.str.771, i64 5, i64 0 })
+  %t4 = call %S.ast.Node @finch.parser.node(ptr %t3, { ptr, i64, i64 } { ptr @.str.780, i64 5, i64 0 })
   store %S.ast.Node %t4, ptr %a5
   %t6 = load i1, ptr %a2
   %t7 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 6
   store i1 %t6, ptr %t7
   %t8 = load ptr, ptr %a1
-  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.772, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.773, i64 7, i64 0 })
-  %t10 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
-  %t12 = load ptr, ptr %a1
-  %t13 = call %S.ast.Node @finch.parser.parseExpr(ptr %t12)
-  %t14 = load i64, ptr %t11
-  %t15 = add i64 %t14, 1
-  call void @finch_arr_reserve(ptr %t10, i64 %t15, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t16 = load ptr, ptr %t10
-  %t17 = getelementptr inbounds %S.ast.Node, ptr %t16, i64 %t14
-  store %S.ast.Node %t13, ptr %t17
-  store i64 %t15, ptr %t11
-  %t18 = load ptr, ptr %a1
-  %t19 = call %S.lexer.Token @finch.parser.expect(ptr %t18, { ptr, i64, i64 } { ptr @.str.774, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.775, i64 3, i64 0 })
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic1354, label %ok1355
-panic1354:
-  call void @finch_panic(ptr @.str.776, i64 300, ptr @.str.777)
+  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.781, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.782, i64 7, i64 0 })
+  store %S.lexer.Token %t9, ptr %a10
+  call void @finch.drop.S_lexer_Token(ptr %a10)
+  %t11 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
+  %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t11, i32 0, i32 1
+  %t13 = load ptr, ptr %a1
+  %t14 = call %S.ast.Node @finch.parser.parseExpr(ptr %t13)
+  %t15 = load i64, ptr %t12
+  %t16 = add i64 %t15, 1
+  call void @finch_arr_reserve(ptr %t11, i64 %t16, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t17 = load ptr, ptr %t11
+  %t18 = getelementptr inbounds %S.ast.Node, ptr %t17, i64 %t15
+  store %S.ast.Node %t14, ptr %t18
+  store i64 %t16, ptr %t12
+  %t19 = load ptr, ptr %a1
+  %t20 = call %S.lexer.Token @finch.parser.expect(ptr %t19, { ptr, i64, i64 } { ptr @.str.783, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.784, i64 3, i64 0 })
+  store %S.lexer.Token %t20, ptr %a21
+  call void @finch.drop.S_lexer_Token(ptr %a21)
+  %t22 = load ptr, ptr %a1
+  %t23 = icmp eq ptr %t22, null
+  br i1 %t23, label %panic1415, label %ok1416
+panic1415:
+  call void @finch_panic(ptr @.str.785, i64 300, ptr @.str.786)
   unreachable
-ok1355:
-  %t22 = getelementptr inbounds %S.parser.Parser, ptr %t20, i32 0, i32 2
-  %t23 = load i64, ptr %t22
-  store i64 %t23, ptr %a24
-  %t25 = load ptr, ptr %a1
-  %t26 = icmp eq ptr %t25, null
-  br i1 %t26, label %panic1356, label %ok1357
-panic1356:
-  call void @finch_panic(ptr @.str.778, i64 301, ptr @.str.779)
+ok1416:
+  %t24 = getelementptr inbounds %S.parser.Parser, ptr %t22, i32 0, i32 2
+  %t25 = load i64, ptr %t24
+  store i64 %t25, ptr %a26
+  %t27 = load ptr, ptr %a1
+  %t28 = icmp eq ptr %t27, null
+  br i1 %t28, label %panic1417, label %ok1418
+panic1417:
+  call void @finch_panic(ptr @.str.787, i64 301, ptr @.str.788)
   unreachable
-ok1357:
-  %t27 = getelementptr inbounds %S.parser.Parser, ptr %t25, i32 0, i32 2
-  store i64 0, ptr %t27
-  br label %while.cond1358
-while.cond1358:
-  %t28 = load ptr, ptr %a1
-  %t29 = call i1 @finch.parser.at(ptr %t28, { ptr, i64, i64 } { ptr @.str.780, i64 1, i64 0 })
-  %t30 = xor i1 %t29, true
-  br i1 %t30, label %while.body1359, label %while.end1360
-while.body1359:
-  %t31 = load ptr, ptr %a1
-  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.781, i64 3, i64 0 })
-  br i1 %t32, label %then1361, label %endif1363
-then1361:
+ok1418:
+  %t29 = getelementptr inbounds %S.parser.Parser, ptr %t27, i32 0, i32 2
+  store i64 0, ptr %t29
+  br label %while.cond1419
+while.cond1419:
+  %t30 = load ptr, ptr %a1
+  %t31 = call i1 @finch.parser.at(ptr %t30, { ptr, i64, i64 } { ptr @.str.789, i64 1, i64 0 })
+  %t32 = xor i1 %t31, true
+  br i1 %t32, label %while.body1420, label %while.end1421
+while.body1420:
   %t33 = load ptr, ptr %a1
-  %t34 = load ptr, ptr %a1
-  %t35 = call %S.lexer.Token @finch.parser.cur(ptr %t34)
-  call void @finch.parser.fail(ptr %t33, %S.lexer.Token %t35, { ptr, i64, i64 } { ptr @.str.782, i64 37, i64 0 })
-  br label %endif1363
-endif1363:
+  %t34 = call i1 @finch.parser.at(ptr %t33, { ptr, i64, i64 } { ptr @.str.790, i64 3, i64 0 })
+  br i1 %t34, label %then1422, label %endif1424
+then1422:
+  %t35 = load ptr, ptr %a1
   %t36 = load ptr, ptr %a1
-  %t37 = call %S.ast.Node @finch.parser.node(ptr %t36, { ptr, i64, i64 } { ptr @.str.783, i64 3, i64 0 })
-  store %S.ast.Node %t37, ptr %a38
+  %t37 = call %S.lexer.Token @finch.parser.cur(ptr %t36)
+  call void @finch.parser.fail(ptr %t35, %S.lexer.Token %t37, { ptr, i64, i64 } { ptr @.str.791, i64 37, i64 0 })
+  store %S.lexer.Token %t37, ptr %a38
+  call void @finch.drop.S_lexer_Token(ptr %a38)
+  br label %endif1424
+endif1424:
   %t39 = load ptr, ptr %a1
-  %t40 = call %S.ast.Node @finch.parser.node(ptr %t39, { ptr, i64, i64 } { ptr @.str.784, i64 8, i64 0 })
+  %t40 = call %S.ast.Node @finch.parser.node(ptr %t39, { ptr, i64, i64 } { ptr @.str.792, i64 3, i64 0 })
   store %S.ast.Node %t40, ptr %a41
   %t42 = load ptr, ptr %a1
-  %t43 = call i1 @finch.parser.accept(ptr %t42, { ptr, i64, i64 } { ptr @.str.785, i64 4, i64 0 })
-  br i1 %t43, label %then1364, label %else1365
-then1364:
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 6
-  store i1 true, ptr %t44
-  br label %endif1366
-else1365:
-  br label %while.cond1367
-while.cond1367:
-  br label %while.body1368
-while.body1368:
-  %t45 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i32 0, i32 1
-  %t47 = load ptr, ptr %a1
-  %t48 = call %S.ast.Node @finch.parser.parseExpr(ptr %t47)
-  %t49 = load i64, ptr %t46
-  %t50 = add i64 %t49, 1
-  call void @finch_arr_reserve(ptr %t45, i64 %t50, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t51 = load ptr, ptr %t45
-  %t52 = getelementptr inbounds %S.ast.Node, ptr %t51, i64 %t49
-  store %S.ast.Node %t48, ptr %t52
-  store i64 %t50, ptr %t46
-  %t53 = load ptr, ptr %a1
-  %t54 = call i1 @finch.parser.accept(ptr %t53, { ptr, i64, i64 } { ptr @.str.786, i64 1, i64 0 })
-  %t55 = xor i1 %t54, true
-  br i1 %t55, label %then1370, label %endif1372
-then1370:
-  br label %while.end1369
-endif1372:
-  br label %while.cond1367
-while.end1369:
-  br label %endif1366
-endif1366:
-  %t56 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i32 0, i32 1
-  %t58 = load %S.ast.Node, ptr %a41
-  store %S.ast.Node %t58, ptr %a59
-  call void @finch.copy.S_ast_Node(ptr %a60, ptr %a59)
-  %t61 = load %S.ast.Node, ptr %a60
-  %t62 = load i64, ptr %t57
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %t56, i64 %t63, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %t56
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 %t62
-  store %S.ast.Node %t61, ptr %t65
-  store i64 %t63, ptr %t57
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.expect(ptr %t66, { ptr, i64, i64 } { ptr @.str.787, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.788, i64 57, i64 0 })
-  %t68 = load ptr, ptr %a1
-  %t69 = call i1 @finch.parser.at(ptr %t68, { ptr, i64, i64 } { ptr @.str.789, i64 1, i64 0 })
-  br label %logic.from1373
-logic.from1373:
-  br i1 %t69, label %logic.rhs1374, label %logic.end1375
-logic.rhs1374:
-  %t70 = load i1, ptr %a2
-  %t71 = xor i1 %t70, true
-  br label %logic.rend1376
-logic.rend1376:
-  br label %logic.end1375
-logic.end1375:
-  %t72 = phi i1 [ false, %logic.from1373 ], [ %t71, %logic.rend1376 ]
-  br i1 %t72, label %then1377, label %else1378
-then1377:
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load ptr, ptr %a1
-  %t76 = call %S.ast.Node @finch.parser.parseBlock(ptr %t75)
-  %t77 = load i64, ptr %t74
-  %t78 = add i64 %t77, 1
-  call void @finch_arr_reserve(ptr %t73, i64 %t78, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t79 = load ptr, ptr %t73
-  %t80 = getelementptr inbounds %S.ast.Node, ptr %t79, i64 %t77
-  store %S.ast.Node %t76, ptr %t80
-  store i64 %t78, ptr %t74
-  br label %endif1379
-else1378:
-  %t81 = load i1, ptr %a2
-  br i1 %t81, label %then1380, label %else1381
-then1380:
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i32 0, i32 1
-  %t84 = load ptr, ptr %a1
-  %t85 = call %S.ast.Node @finch.parser.parseExpr(ptr %t84)
-  %t86 = load i64, ptr %t83
-  %t87 = add i64 %t86, 1
-  call void @finch_arr_reserve(ptr %t82, i64 %t87, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t88 = load ptr, ptr %t82
-  %t89 = getelementptr inbounds %S.ast.Node, ptr %t88, i64 %t86
-  store %S.ast.Node %t85, ptr %t89
-  store i64 %t87, ptr %t83
-  br label %endif1382
-else1381:
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i32 0, i32 1
-  %t92 = load ptr, ptr %a1
-  %t93 = call %S.ast.Node @finch.parser.parseStatement(ptr %t92)
-  %t94 = load i64, ptr %t91
-  %t95 = add i64 %t94, 1
-  call void @finch_arr_reserve(ptr %t90, i64 %t95, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t96 = load ptr, ptr %t90
-  %t97 = getelementptr inbounds %S.ast.Node, ptr %t96, i64 %t94
-  store %S.ast.Node %t93, ptr %t97
-  store i64 %t95, ptr %t91
-  br label %endif1382
-endif1382:
-  br label %endif1379
-endif1379:
-  %t98 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
-  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
-  %t100 = load %S.ast.Node, ptr %a38
-  store %S.ast.Node %t100, ptr %a101
-  call void @finch.copy.S_ast_Node(ptr %a102, ptr %a101)
-  %t103 = load %S.ast.Node, ptr %a102
-  %t104 = load i64, ptr %t99
-  %t105 = add i64 %t104, 1
-  call void @finch_arr_reserve(ptr %t98, i64 %t105, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t106 = load ptr, ptr %t98
-  %t107 = getelementptr inbounds %S.ast.Node, ptr %t106, i64 %t104
-  store %S.ast.Node %t103, ptr %t107
-  store i64 %t105, ptr %t99
-  %t108 = load ptr, ptr %a1
-  %t109 = call i1 @finch.parser.accept(ptr %t108, { ptr, i64, i64 } { ptr @.str.790, i64 1, i64 0 })
-  %t110 = xor i1 %t109, true
-  br i1 %t110, label %then1383, label %endif1385
-then1383:
-  %t111 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t111)
-  br label %endif1385
-endif1385:
-  br label %while.cond1358
-while.end1360:
-  %t112 = load i64, ptr %a24
-  %t113 = load ptr, ptr %a1
-  %t114 = icmp eq ptr %t113, null
-  br i1 %t114, label %panic1386, label %ok1387
-panic1386:
-  call void @finch_panic(ptr @.str.791, i64 332, ptr @.str.792)
+  %t43 = call %S.ast.Node @finch.parser.node(ptr %t42, { ptr, i64, i64 } { ptr @.str.793, i64 8, i64 0 })
+  store %S.ast.Node %t43, ptr %a44
+  %t45 = load ptr, ptr %a1
+  %t46 = call i1 @finch.parser.accept(ptr %t45, { ptr, i64, i64 } { ptr @.str.794, i64 4, i64 0 })
+  br i1 %t46, label %then1425, label %else1426
+then1425:
+  %t47 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 6
+  store i1 true, ptr %t47
+  br label %endif1427
+else1426:
+  br label %while.cond1428
+while.cond1428:
+  br label %while.body1429
+while.body1429:
+  %t48 = getelementptr inbounds %S.ast.Node, ptr %a44, i32 0, i32 9
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i32 0, i32 1
+  %t50 = load ptr, ptr %a1
+  %t51 = call %S.ast.Node @finch.parser.parseExpr(ptr %t50)
+  %t52 = load i64, ptr %t49
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %t48, i64 %t53, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %t48
+  %t55 = getelementptr inbounds %S.ast.Node, ptr %t54, i64 %t52
+  store %S.ast.Node %t51, ptr %t55
+  store i64 %t53, ptr %t49
+  %t56 = load ptr, ptr %a1
+  %t57 = call i1 @finch.parser.accept(ptr %t56, { ptr, i64, i64 } { ptr @.str.795, i64 1, i64 0 })
+  %t58 = xor i1 %t57, true
+  br i1 %t58, label %then1431, label %endif1433
+then1431:
+  br label %while.end1430
+endif1433:
+  br label %while.cond1428
+while.end1430:
+  br label %endif1427
+endif1427:
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i32 0, i32 1
+  %t61 = load %S.ast.Node, ptr %a44
+  store %S.ast.Node %t61, ptr %a62
+  call void @finch.copy.S_ast_Node(ptr %a63, ptr %a62)
+  %t64 = load %S.ast.Node, ptr %a63
+  %t65 = load i64, ptr %t60
+  %t66 = add i64 %t65, 1
+  call void @finch_arr_reserve(ptr %t59, i64 %t66, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t67 = load ptr, ptr %t59
+  %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 %t65
+  store %S.ast.Node %t64, ptr %t68
+  store i64 %t66, ptr %t60
+  %t69 = load ptr, ptr %a1
+  %t70 = call %S.lexer.Token @finch.parser.expect(ptr %t69, { ptr, i64, i64 } { ptr @.str.796, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.797, i64 57, i64 0 })
+  store %S.lexer.Token %t70, ptr %a71
+  call void @finch.drop.S_lexer_Token(ptr %a71)
+  %t72 = load ptr, ptr %a1
+  %t73 = call i1 @finch.parser.at(ptr %t72, { ptr, i64, i64 } { ptr @.str.798, i64 1, i64 0 })
+  br label %logic.from1434
+logic.from1434:
+  br i1 %t73, label %logic.rhs1435, label %logic.end1436
+logic.rhs1435:
+  %t74 = load i1, ptr %a2
+  %t75 = xor i1 %t74, true
+  br label %logic.rend1437
+logic.rend1437:
+  br label %logic.end1436
+logic.end1436:
+  %t76 = phi i1 [ false, %logic.from1434 ], [ %t75, %logic.rend1437 ]
+  br i1 %t76, label %then1438, label %else1439
+then1438:
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
+  %t79 = load ptr, ptr %a1
+  %t80 = call %S.ast.Node @finch.parser.parseBlock(ptr %t79)
+  %t81 = load i64, ptr %t78
+  %t82 = add i64 %t81, 1
+  call void @finch_arr_reserve(ptr %t77, i64 %t82, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t83 = load ptr, ptr %t77
+  %t84 = getelementptr inbounds %S.ast.Node, ptr %t83, i64 %t81
+  store %S.ast.Node %t80, ptr %t84
+  store i64 %t82, ptr %t78
+  br label %endif1440
+else1439:
+  %t85 = load i1, ptr %a2
+  br i1 %t85, label %then1441, label %else1442
+then1441:
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
+  %t88 = load ptr, ptr %a1
+  %t89 = call %S.ast.Node @finch.parser.parseExpr(ptr %t88)
+  %t90 = load i64, ptr %t87
+  %t91 = add i64 %t90, 1
+  call void @finch_arr_reserve(ptr %t86, i64 %t91, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t92 = load ptr, ptr %t86
+  %t93 = getelementptr inbounds %S.ast.Node, ptr %t92, i64 %t90
+  store %S.ast.Node %t89, ptr %t93
+  store i64 %t91, ptr %t87
+  br label %endif1443
+else1442:
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
+  %t96 = load ptr, ptr %a1
+  %t97 = call %S.ast.Node @finch.parser.parseStatement(ptr %t96)
+  %t98 = load i64, ptr %t95
+  %t99 = add i64 %t98, 1
+  call void @finch_arr_reserve(ptr %t94, i64 %t99, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t100 = load ptr, ptr %t94
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 %t98
+  store %S.ast.Node %t97, ptr %t101
+  store i64 %t99, ptr %t95
+  br label %endif1443
+endif1443:
+  br label %endif1440
+endif1440:
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i32 0, i32 1
+  %t104 = load %S.ast.Node, ptr %a41
+  store %S.ast.Node %t104, ptr %a105
+  call void @finch.copy.S_ast_Node(ptr %a106, ptr %a105)
+  %t107 = load %S.ast.Node, ptr %a106
+  %t108 = load i64, ptr %t103
+  %t109 = add i64 %t108, 1
+  call void @finch_arr_reserve(ptr %t102, i64 %t109, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t110 = load ptr, ptr %t102
+  %t111 = getelementptr inbounds %S.ast.Node, ptr %t110, i64 %t108
+  store %S.ast.Node %t107, ptr %t111
+  store i64 %t109, ptr %t103
+  %t112 = load ptr, ptr %a1
+  %t113 = call i1 @finch.parser.accept(ptr %t112, { ptr, i64, i64 } { ptr @.str.799, i64 1, i64 0 })
+  %t114 = xor i1 %t113, true
+  br i1 %t114, label %then1444, label %endif1446
+then1444:
+  %t115 = load ptr, ptr %a1
+  call void @finch.parser.endOfStatement(ptr %t115)
+  br label %endif1446
+endif1446:
+  call void @finch.drop.S_ast_Node(ptr %a44)
+  call void @finch.drop.S_ast_Node(ptr %a41)
+  br label %while.cond1419
+while.end1421:
+  %t116 = load i64, ptr %a26
+  %t117 = load ptr, ptr %a1
+  %t118 = icmp eq ptr %t117, null
+  br i1 %t118, label %panic1447, label %ok1448
+panic1447:
+  call void @finch_panic(ptr @.str.800, i64 332, ptr @.str.801)
   unreachable
-ok1387:
-  %t115 = getelementptr inbounds %S.parser.Parser, ptr %t113, i32 0, i32 2
-  store i64 %t112, ptr %t115
-  %t116 = load ptr, ptr %a1
-  %t117 = call %S.lexer.Token @finch.parser.next(ptr %t116)
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
-  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t118, i32 0, i32 1
-  %t120 = load i64, ptr %t119
-  %t121 = icmp eq i64 %t120, 1
-  br i1 %t121, label %then1388, label %endif1390
-then1388:
-  %t122 = load ptr, ptr %a1
-  %t123 = load ptr, ptr %a1
-  %t124 = call %S.lexer.Token @finch.parser.cur(ptr %t123)
-  call void @finch.parser.fail(ptr %t122, %S.lexer.Token %t124, { ptr, i64, i64 } { ptr @.str.793, i64 30, i64 0 })
-  br label %endif1390
-endif1390:
-  %t125 = load %S.ast.Node, ptr %a5
-  store %S.ast.Node %t125, ptr %a126
-  call void @finch.copy.S_ast_Node(ptr %a127, ptr %a126)
-  %t128 = load %S.ast.Node, ptr %a127
-  ret %S.ast.Node %t128
+ok1448:
+  %t119 = getelementptr inbounds %S.parser.Parser, ptr %t117, i32 0, i32 2
+  store i64 %t116, ptr %t119
+  %t120 = load ptr, ptr %a1
+  %t121 = call %S.lexer.Token @finch.parser.next(ptr %t120)
+  store %S.lexer.Token %t121, ptr %a122
+  call void @finch.drop.S_lexer_Token(ptr %a122)
+  %t123 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
+  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i32 0, i32 1
+  %t125 = load i64, ptr %t124
+  %t126 = icmp eq i64 %t125, 1
+  br i1 %t126, label %then1449, label %endif1451
+then1449:
+  %t127 = load ptr, ptr %a1
+  %t128 = load ptr, ptr %a1
+  %t129 = call %S.lexer.Token @finch.parser.cur(ptr %t128)
+  call void @finch.parser.fail(ptr %t127, %S.lexer.Token %t129, { ptr, i64, i64 } { ptr @.str.802, i64 30, i64 0 })
+  store %S.lexer.Token %t129, ptr %a130
+  call void @finch.drop.S_lexer_Token(ptr %a130)
+  br label %endif1451
+endif1451:
+  %t131 = load %S.ast.Node, ptr %a5
+  ret %S.ast.Node %t131
 }
 
 define internal { ptr, i64, i64 } @finch.parser.parseTParams(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca %S.lexer.Token, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca %S.lexer.Token, align 16
+  %a23 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.794, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.795, i64 3, i64 0 })
-  br label %while.cond1391
-while.cond1391:
-  br label %while.body1392
-while.body1392:
-  %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t6 = load ptr, ptr %a1
-  %t7 = call %S.lexer.Token @finch.parser.expect(ptr %t6, { ptr, i64, i64 } { ptr @.str.796, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.797, i64 29, i64 0 })
-  %t8 = extractvalue %S.lexer.Token %t7, 1
-  store { ptr, i64, i64 } %t8, ptr %a9
-  call void @finch_str_copy(ptr %a10, ptr %a9)
-  %t11 = load { ptr, i64, i64 }, ptr %a10
-  %t12 = load i64, ptr %t5
-  %t13 = add i64 %t12, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t13, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t14 = load ptr, ptr %a2
-  %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i64 %t12
-  store { ptr, i64, i64 } %t11, ptr %t15
-  store i64 %t13, ptr %t5
-  %t16 = load ptr, ptr %a1
-  %t17 = call i1 @finch.parser.accept(ptr %t16, { ptr, i64, i64 } { ptr @.str.798, i64 1, i64 0 })
-  %t18 = xor i1 %t17, true
-  br i1 %t18, label %then1394, label %endif1396
-then1394:
-  br label %while.end1393
-endif1396:
-  br label %while.cond1391
-while.end1393:
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.expect(ptr %t19, { ptr, i64, i64 } { ptr @.str.799, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.800, i64 29, i64 0 })
-  %t21 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t21, ptr %a22
-  call void @finch.copy.arr_str(ptr %a23, ptr %a22)
-  %t24 = load { ptr, i64, i64 }, ptr %a23
+  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.803, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.804, i64 3, i64 0 })
+  store %S.lexer.Token %t4, ptr %a5
+  call void @finch.drop.S_lexer_Token(ptr %a5)
+  br label %while.cond1452
+while.cond1452:
+  br label %while.body1453
+while.body1453:
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t7 = load ptr, ptr %a1
+  %t8 = call %S.lexer.Token @finch.parser.expect(ptr %t7, { ptr, i64, i64 } { ptr @.str.805, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.806, i64 29, i64 0 })
+  %t9 = extractvalue %S.lexer.Token %t8, 1
+  store { ptr, i64, i64 } %t9, ptr %a10
+  call void @finch_str_copy(ptr %a11, ptr %a10)
+  %t12 = load { ptr, i64, i64 }, ptr %a11
+  store %S.lexer.Token %t8, ptr %a13
+  call void @finch.drop.S_lexer_Token(ptr %a13)
+  %t14 = load i64, ptr %t6
+  %t15 = add i64 %t14, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t15, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t16 = load ptr, ptr %a2
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 %t14
+  store { ptr, i64, i64 } %t12, ptr %t17
+  store i64 %t15, ptr %t6
+  %t18 = load ptr, ptr %a1
+  %t19 = call i1 @finch.parser.accept(ptr %t18, { ptr, i64, i64 } { ptr @.str.807, i64 1, i64 0 })
+  %t20 = xor i1 %t19, true
+  br i1 %t20, label %then1455, label %endif1457
+then1455:
+  br label %while.end1454
+endif1457:
+  br label %while.cond1452
+while.end1454:
+  %t21 = load ptr, ptr %a1
+  %t22 = call %S.lexer.Token @finch.parser.expect(ptr %t21, { ptr, i64, i64 } { ptr @.str.808, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.809, i64 29, i64 0 })
+  store %S.lexer.Token %t22, ptr %a23
+  call void @finch.drop.S_lexer_Token(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a2
   ret { ptr, i64, i64 } %t24
 }
 
@@ -16102,142 +17924,187 @@ define internal %S.ast.Node @finch.parser.parseStruct(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca %S.lexer.Token, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca %S.ast.Node, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca %S.lexer.Token, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca %S.lexer.Token, align 16
+  %a36 = alloca %S.lexer.Token, align 16
+  %a39 = alloca %S.ast.Node, align 16
+  %a49 = alloca %S.lexer.Token, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca %S.ast.Node, align 16
-  %a73 = alloca %S.ast.Node, align 16
-  %a83 = alloca %S.ast.Node, align 16
-  %a84 = alloca %S.ast.Node, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca %S.ast.Type, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca %S.lexer.Token, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca %S.ast.Node, align 16
+  %a91 = alloca %S.ast.Node, align 16
+  %a100 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.801, i64 6, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.810, i64 6, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.802, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.803, i64 8, i64 0 })
-  %t7 = load ptr, ptr %a1
-  %t8 = call %S.lexer.Token @finch.parser.expect(ptr %t7, { ptr, i64, i64 } { ptr @.str.804, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.805, i64 13, i64 0 })
-  %t9 = extractvalue %S.lexer.Token %t8, 1
-  store { ptr, i64, i64 } %t9, ptr %a10
-  call void @finch_str_copy(ptr %a11, ptr %a10)
-  %t12 = load { ptr, i64, i64 }, ptr %a11
-  %t13 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t12, ptr %t13
-  %t14 = load ptr, ptr %a1
-  %t15 = call i1 @finch.parser.at(ptr %t14, { ptr, i64, i64 } { ptr @.str.806, i64 1, i64 0 })
-  br i1 %t15, label %then1397, label %endif1399
-then1397:
-  %t16 = load ptr, ptr %a1
-  %t17 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t16)
-  %t18 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
-  store { ptr, i64, i64 } %t17, ptr %t18
-  br label %endif1399
-endif1399:
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.expect(ptr %t19, { ptr, i64, i64 } { ptr @.str.807, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.808, i64 3, i64 0 })
-  br label %while.cond1400
-while.cond1400:
-  %t21 = load ptr, ptr %a1
-  %t22 = call i1 @finch.parser.at(ptr %t21, { ptr, i64, i64 } { ptr @.str.809, i64 1, i64 0 })
-  %t23 = xor i1 %t22, true
-  br i1 %t23, label %while.body1401, label %while.end1402
-while.body1401:
-  %t24 = load ptr, ptr %a1
-  %t25 = call i1 @finch.parser.at(ptr %t24, { ptr, i64, i64 } { ptr @.str.810, i64 3, i64 0 })
-  br i1 %t25, label %then1403, label %endif1405
-then1403:
-  %t26 = load ptr, ptr %a1
-  %t27 = load ptr, ptr %a1
-  %t28 = call %S.lexer.Token @finch.parser.cur(ptr %t27)
-  call void @finch.parser.fail(ptr %t26, %S.lexer.Token %t28, { ptr, i64, i64 } { ptr @.str.811, i64 38, i64 0 })
-  br label %endif1405
-endif1405:
-  %t29 = load ptr, ptr %a1
-  %t30 = call %S.ast.Node @finch.parser.node(ptr %t29, { ptr, i64, i64 } { ptr @.str.812, i64 5, i64 0 })
-  store %S.ast.Node %t30, ptr %a31
-  %t32 = load ptr, ptr %a1
-  %t33 = call i1 @finch.parser.atDeclaration(ptr %t32)
-  %t34 = xor i1 %t33, true
-  br i1 %t34, label %then1406, label %endif1408
-then1406:
-  %t35 = load ptr, ptr %a1
-  %t36 = load ptr, ptr %a1
-  %t37 = call %S.lexer.Token @finch.parser.cur(ptr %t36)
-  %t38 = load ptr, ptr %a1
-  %t39 = call %S.lexer.Token @finch.parser.cur(ptr %t38)
-  %t40 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t39)
-  store { ptr, i64, i64 } { ptr @.str.813, i64 11, i64 0 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.814, i64 28, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  call void @finch.parser.fail(ptr %t35, %S.lexer.Token %t37, { ptr, i64, i64 } %t48)
-  br label %endif1408
-endif1408:
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.ast.Type @finch.parser.parseType(ptr %t49)
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a31, i32 0, i32 5
-  store %S.ast.Type %t50, ptr %t51
-  %t52 = load ptr, ptr %a1
-  %t53 = call %S.lexer.Token @finch.parser.expect(ptr %t52, { ptr, i64, i64 } { ptr @.str.815, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.816, i64 12, i64 0 })
-  %t54 = extractvalue %S.lexer.Token %t53, 1
-  store { ptr, i64, i64 } %t54, ptr %a55
-  call void @finch_str_copy(ptr %a56, ptr %a55)
-  %t57 = load { ptr, i64, i64 }, ptr %a56
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a31, i32 0, i32 1
-  store { ptr, i64, i64 } %t57, ptr %t58
-  %t59 = load ptr, ptr %a1
-  %t60 = call i1 @finch.parser.accept(ptr %t59, { ptr, i64, i64 } { ptr @.str.817, i64 1, i64 0 })
-  br i1 %t60, label %then1409, label %endif1411
-then1409:
-  %t61 = getelementptr inbounds %S.ast.Node, ptr %a31, i32 0, i32 9
-  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i32 0, i32 1
-  %t63 = load ptr, ptr %a1
-  %t64 = call %S.ast.Node @finch.parser.parseExpr(ptr %t63)
-  %t65 = load i64, ptr %t62
-  %t66 = add i64 %t65, 1
-  call void @finch_arr_reserve(ptr %t61, i64 %t66, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t67 = load ptr, ptr %t61
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 %t65
-  store %S.ast.Node %t64, ptr %t68
-  store i64 %t66, ptr %t62
-  br label %endif1411
-endif1411:
-  %t69 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i32 0, i32 1
-  %t71 = load %S.ast.Node, ptr %a31
-  store %S.ast.Node %t71, ptr %a72
-  call void @finch.copy.S_ast_Node(ptr %a73, ptr %a72)
-  %t74 = load %S.ast.Node, ptr %a73
-  %t75 = load i64, ptr %t70
-  %t76 = add i64 %t75, 1
-  call void @finch_arr_reserve(ptr %t69, i64 %t76, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t77 = load ptr, ptr %t69
-  %t78 = getelementptr inbounds %S.ast.Node, ptr %t77, i64 %t75
-  store %S.ast.Node %t74, ptr %t78
-  store i64 %t76, ptr %t70
-  %t79 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t79)
-  br label %while.cond1400
-while.end1402:
-  %t80 = load ptr, ptr %a1
-  %t81 = call %S.lexer.Token @finch.parser.next(ptr %t80)
-  %t82 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t82, ptr %a83
-  call void @finch.copy.S_ast_Node(ptr %a84, ptr %a83)
-  %t85 = load %S.ast.Node, ptr %a84
-  ret %S.ast.Node %t85
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.811, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.812, i64 8, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = load ptr, ptr %a1
+  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.813, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.814, i64 13, i64 0 })
+  %t10 = extractvalue %S.lexer.Token %t9, 1
+  store { ptr, i64, i64 } %t10, ptr %a11
+  call void @finch_str_copy(ptr %a12, ptr %a11)
+  %t13 = load { ptr, i64, i64 }, ptr %a12
+  store %S.lexer.Token %t9, ptr %a14
+  call void @finch.drop.S_lexer_Token(ptr %a14)
+  %t15 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t16 = load { ptr, i64, i64 }, ptr %t15
+  store { ptr, i64, i64 } %t13, ptr %t15
+  store { ptr, i64, i64 } %t16, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load ptr, ptr %a1
+  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.815, i64 1, i64 0 })
+  br i1 %t19, label %then1458, label %endif1460
+then1458:
+  %t20 = load ptr, ptr %a1
+  %t21 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t20)
+  %t22 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t21, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  call void @finch.drop.arr_str(ptr %a24)
+  br label %endif1460
+endif1460:
+  %t25 = load ptr, ptr %a1
+  %t26 = call %S.lexer.Token @finch.parser.expect(ptr %t25, { ptr, i64, i64 } { ptr @.str.816, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.817, i64 3, i64 0 })
+  store %S.lexer.Token %t26, ptr %a27
+  call void @finch.drop.S_lexer_Token(ptr %a27)
+  br label %while.cond1461
+while.cond1461:
+  %t28 = load ptr, ptr %a1
+  %t29 = call i1 @finch.parser.at(ptr %t28, { ptr, i64, i64 } { ptr @.str.818, i64 1, i64 0 })
+  %t30 = xor i1 %t29, true
+  br i1 %t30, label %while.body1462, label %while.end1463
+while.body1462:
+  %t31 = load ptr, ptr %a1
+  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.819, i64 3, i64 0 })
+  br i1 %t32, label %then1464, label %endif1466
+then1464:
+  %t33 = load ptr, ptr %a1
+  %t34 = load ptr, ptr %a1
+  %t35 = call %S.lexer.Token @finch.parser.cur(ptr %t34)
+  call void @finch.parser.fail(ptr %t33, %S.lexer.Token %t35, { ptr, i64, i64 } { ptr @.str.820, i64 38, i64 0 })
+  store %S.lexer.Token %t35, ptr %a36
+  call void @finch.drop.S_lexer_Token(ptr %a36)
+  br label %endif1466
+endif1466:
+  %t37 = load ptr, ptr %a1
+  %t38 = call %S.ast.Node @finch.parser.node(ptr %t37, { ptr, i64, i64 } { ptr @.str.821, i64 5, i64 0 })
+  store %S.ast.Node %t38, ptr %a39
+  %t40 = load ptr, ptr %a1
+  %t41 = call i1 @finch.parser.atDeclaration(ptr %t40)
+  %t42 = xor i1 %t41, true
+  br i1 %t42, label %then1467, label %endif1469
+then1467:
+  %t43 = load ptr, ptr %a1
+  %t44 = load ptr, ptr %a1
+  %t45 = call %S.lexer.Token @finch.parser.cur(ptr %t44)
+  %t46 = load ptr, ptr %a1
+  %t47 = call %S.lexer.Token @finch.parser.cur(ptr %t46)
+  %t48 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t47)
+  store %S.lexer.Token %t47, ptr %a49
+  call void @finch.drop.S_lexer_Token(ptr %a49)
+  store { ptr, i64, i64 } { ptr @.str.822, i64 11, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.823, i64 28, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  call void @finch.parser.fail(ptr %t43, %S.lexer.Token %t45, { ptr, i64, i64 } %t59)
+  store %S.lexer.Token %t45, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  store { ptr, i64, i64 } %t59, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  br label %endif1469
+endif1469:
+  %t62 = load ptr, ptr %a1
+  %t63 = call %S.ast.Type @finch.parser.parseType(ptr %t62)
+  %t64 = getelementptr inbounds %S.ast.Node, ptr %a39, i32 0, i32 5
+  %t65 = load %S.ast.Type, ptr %t64
+  store %S.ast.Type %t63, ptr %t64
+  store %S.ast.Type %t65, ptr %a66
+  call void @finch.drop.S_ast_Type(ptr %a66)
+  %t67 = load ptr, ptr %a1
+  %t68 = call %S.lexer.Token @finch.parser.expect(ptr %t67, { ptr, i64, i64 } { ptr @.str.824, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.825, i64 12, i64 0 })
+  %t69 = extractvalue %S.lexer.Token %t68, 1
+  store { ptr, i64, i64 } %t69, ptr %a70
+  call void @finch_str_copy(ptr %a71, ptr %a70)
+  %t72 = load { ptr, i64, i64 }, ptr %a71
+  store %S.lexer.Token %t68, ptr %a73
+  call void @finch.drop.S_lexer_Token(ptr %a73)
+  %t74 = getelementptr inbounds %S.ast.Node, ptr %a39, i32 0, i32 1
+  %t75 = load { ptr, i64, i64 }, ptr %t74
+  store { ptr, i64, i64 } %t72, ptr %t74
+  store { ptr, i64, i64 } %t75, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load ptr, ptr %a1
+  %t78 = call i1 @finch.parser.accept(ptr %t77, { ptr, i64, i64 } { ptr @.str.826, i64 1, i64 0 })
+  br i1 %t78, label %then1470, label %endif1472
+then1470:
+  %t79 = getelementptr inbounds %S.ast.Node, ptr %a39, i32 0, i32 9
+  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %t79, i32 0, i32 1
+  %t81 = load ptr, ptr %a1
+  %t82 = call %S.ast.Node @finch.parser.parseExpr(ptr %t81)
+  %t83 = load i64, ptr %t80
+  %t84 = add i64 %t83, 1
+  call void @finch_arr_reserve(ptr %t79, i64 %t84, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t85 = load ptr, ptr %t79
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %t85, i64 %t83
+  store %S.ast.Node %t82, ptr %t86
+  store i64 %t84, ptr %t80
+  br label %endif1472
+endif1472:
+  %t87 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
+  %t89 = load %S.ast.Node, ptr %a39
+  store %S.ast.Node %t89, ptr %a90
+  call void @finch.copy.S_ast_Node(ptr %a91, ptr %a90)
+  %t92 = load %S.ast.Node, ptr %a91
+  %t93 = load i64, ptr %t88
+  %t94 = add i64 %t93, 1
+  call void @finch_arr_reserve(ptr %t87, i64 %t94, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t95 = load ptr, ptr %t87
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %t95, i64 %t93
+  store %S.ast.Node %t92, ptr %t96
+  store i64 %t94, ptr %t88
+  %t97 = load ptr, ptr %a1
+  call void @finch.parser.endOfStatement(ptr %t97)
+  call void @finch.drop.S_ast_Node(ptr %a39)
+  br label %while.cond1461
+while.end1463:
+  %t98 = load ptr, ptr %a1
+  %t99 = call %S.lexer.Token @finch.parser.next(ptr %t98)
+  store %S.lexer.Token %t99, ptr %a100
+  call void @finch.drop.S_lexer_Token(ptr %a100)
+  %t101 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t101
 }
 
 define internal %S.ast.Node @finch.parser.parseFn(ptr %p0) {
@@ -16246,361 +18113,439 @@ entry:
   %a4 = alloca %S.ast.Node, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca %S.ast.Node, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca %S.ast.Node, align 16
+  %a16 = alloca %S.lexer.Token, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.lexer.Token, align 16
+  %a26 = alloca %S.lexer.Token, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca %S.lexer.Token, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca %S.lexer.Token, align 16
   %a77 = alloca %S.ast.Node, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca %S.ast.Node, align 16
-  %a154 = alloca %S.ast.Node, align 16
+  %a82 = alloca %S.ast.Type, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca %S.lexer.Token, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca %S.ast.Node, align 16
+  %a97 = alloca %S.ast.Node, align 16
+  %a113 = alloca %S.lexer.Token, align 16
+  %a117 = alloca %S.ast.Type, align 16
+  %a127 = alloca %S.ast.Type, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca %S.lexer.Token, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca %S.lexer.Token, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.818, i64 2, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.827, i64 2, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call i1 @finch.parser.accept(ptr %t5, { ptr, i64, i64 } { ptr @.str.819, i64 6, i64 0 })
+  %t6 = call i1 @finch.parser.accept(ptr %t5, { ptr, i64, i64 } { ptr @.str.828, i64 6, i64 0 })
   %t7 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 8
   store i1 %t6, ptr %t7
   %t8 = load ptr, ptr %a1
-  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.820, i64 5, i64 0 })
-  br label %logic.from1412
-logic.from1412:
-  br i1 %t9, label %logic.rhs1413, label %logic.end1414
-logic.rhs1413:
+  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.829, i64 5, i64 0 })
+  br label %logic.from1473
+logic.from1473:
+  br i1 %t9, label %logic.rhs1474, label %logic.end1475
+logic.rhs1474:
   %t10 = load ptr, ptr %a1
   %t11 = call %S.lexer.Token @finch.parser.cur(ptr %t10)
   %t12 = extractvalue %S.lexer.Token %t11, 1
   store { ptr, i64, i64 } %t12, ptr %a13
   call void @finch_str_copy(ptr %a14, ptr %a13)
   %t15 = load { ptr, i64, i64 }, ptr %a14
-  %t16 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t15)
-  br label %logic.rend1415
-logic.rend1415:
-  br label %logic.end1414
-logic.end1414:
-  %t17 = phi i1 [ false, %logic.from1412 ], [ %t16, %logic.rend1415 ]
-  br i1 %t17, label %then1416, label %endif1418
-then1416:
-  %t18 = load ptr, ptr %a1
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.cur(ptr %t19)
-  call void @finch.parser.fail(ptr %t18, %S.lexer.Token %t20, { ptr, i64, i64 } { ptr @.str.821, i64 68, i64 0 })
-  br label %endif1418
-endif1418:
+  store %S.lexer.Token %t11, ptr %a16
+  call void @finch.drop.S_lexer_Token(ptr %a16)
+  %t17 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t15)
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  br label %logic.rend1476
+logic.rend1476:
+  br label %logic.end1475
+logic.end1475:
+  %t19 = phi i1 [ false, %logic.from1473 ], [ %t17, %logic.rend1476 ]
+  br i1 %t19, label %then1477, label %endif1479
+then1477:
+  %t20 = load ptr, ptr %a1
   %t21 = load ptr, ptr %a1
-  %t22 = call %S.lexer.Token @finch.parser.expect(ptr %t21, { ptr, i64, i64 } { ptr @.str.822, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.823, i64 26, i64 0 })
-  %t23 = load ptr, ptr %a1
-  %t24 = call %S.lexer.Token @finch.parser.expect(ptr %t23, { ptr, i64, i64 } { ptr @.str.824, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.825, i64 15, i64 0 })
-  %t25 = extractvalue %S.lexer.Token %t24, 1
-  store { ptr, i64, i64 } %t25, ptr %a26
-  call void @finch_str_copy(ptr %a27, ptr %a26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t28, ptr %t29
-  %t30 = load ptr, ptr %a1
-  %t31 = call i1 @finch.parser.at(ptr %t30, { ptr, i64, i64 } { ptr @.str.826, i64 1, i64 0 })
-  br i1 %t31, label %then1419, label %endif1421
-then1419:
-  %t32 = load ptr, ptr %a1
-  %t33 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t32)
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
-  store { ptr, i64, i64 } %t33, ptr %t34
-  br label %endif1421
-endif1421:
-  %t35 = load ptr, ptr %a1
-  %t36 = call i1 @finch.parser.accept(ptr %t35, { ptr, i64, i64 } { ptr @.str.827, i64 1, i64 0 })
-  br i1 %t36, label %then1422, label %endif1424
-then1422:
-  %t37 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  %t38 = load { ptr, i64, i64 }, ptr %t37
-  %t39 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t38, ptr %a40
-  call void @finch_str_copy(ptr %a41, ptr %a40)
-  %t42 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t42, ptr %t39
-  %t43 = load ptr, ptr %a1
-  %t44 = call %S.lexer.Token @finch.parser.expect(ptr %t43, { ptr, i64, i64 } { ptr @.str.828, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.829, i64 13, i64 0 })
-  %t45 = extractvalue %S.lexer.Token %t44, 1
-  store { ptr, i64, i64 } %t45, ptr %a46
-  call void @finch_str_copy(ptr %a47, ptr %a46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t48, ptr %t49
-  br label %endif1424
-endif1424:
-  %t50 = load ptr, ptr %a1
-  %t51 = call %S.lexer.Token @finch.parser.expect(ptr %t50, { ptr, i64, i64 } { ptr @.str.830, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.831, i64 3, i64 0 })
-  %t52 = load ptr, ptr %a1
-  %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic1425, label %ok1426
-panic1425:
-  call void @finch_panic(ptr @.str.832, i64 398, ptr @.str.833)
+  %t22 = call %S.lexer.Token @finch.parser.cur(ptr %t21)
+  call void @finch.parser.fail(ptr %t20, %S.lexer.Token %t22, { ptr, i64, i64 } { ptr @.str.830, i64 68, i64 0 })
+  store %S.lexer.Token %t22, ptr %a23
+  call void @finch.drop.S_lexer_Token(ptr %a23)
+  br label %endif1479
+endif1479:
+  %t24 = load ptr, ptr %a1
+  %t25 = call %S.lexer.Token @finch.parser.expect(ptr %t24, { ptr, i64, i64 } { ptr @.str.831, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.832, i64 26, i64 0 })
+  store %S.lexer.Token %t25, ptr %a26
+  call void @finch.drop.S_lexer_Token(ptr %a26)
+  %t27 = load ptr, ptr %a1
+  %t28 = call %S.lexer.Token @finch.parser.expect(ptr %t27, { ptr, i64, i64 } { ptr @.str.833, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.834, i64 15, i64 0 })
+  %t29 = extractvalue %S.lexer.Token %t28, 1
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_copy(ptr %a31, ptr %a30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store %S.lexer.Token %t28, ptr %a33
+  call void @finch.drop.S_lexer_Token(ptr %a33)
+  %t34 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  store { ptr, i64, i64 } %t32, ptr %t34
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load ptr, ptr %a1
+  %t38 = call i1 @finch.parser.at(ptr %t37, { ptr, i64, i64 } { ptr @.str.835, i64 1, i64 0 })
+  br i1 %t38, label %then1480, label %endif1482
+then1480:
+  %t39 = load ptr, ptr %a1
+  %t40 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t39)
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  store { ptr, i64, i64 } %t40, ptr %t41
+  store { ptr, i64, i64 } %t42, ptr %a43
+  call void @finch.drop.arr_str(ptr %a43)
+  br label %endif1482
+endif1482:
+  %t44 = load ptr, ptr %a1
+  %t45 = call i1 @finch.parser.accept(ptr %t44, { ptr, i64, i64 } { ptr @.str.836, i64 1, i64 0 })
+  br i1 %t45, label %then1483, label %endif1485
+then1483:
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t47 = load { ptr, i64, i64 }, ptr %t46
+  %t48 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 2
+  store { ptr, i64, i64 } %t47, ptr %a49
+  call void @finch_str_copy(ptr %a50, ptr %a49)
+  %t51 = load { ptr, i64, i64 }, ptr %a50
+  %t52 = load { ptr, i64, i64 }, ptr %t48
+  store { ptr, i64, i64 } %t51, ptr %t48
+  store { ptr, i64, i64 } %t52, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load ptr, ptr %a1
+  %t55 = call %S.lexer.Token @finch.parser.expect(ptr %t54, { ptr, i64, i64 } { ptr @.str.837, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.838, i64 13, i64 0 })
+  %t56 = extractvalue %S.lexer.Token %t55, 1
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_copy(ptr %a58, ptr %a57)
+  %t59 = load { ptr, i64, i64 }, ptr %a58
+  store %S.lexer.Token %t55, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  %t61 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t59, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  br label %endif1485
+endif1485:
+  %t64 = load ptr, ptr %a1
+  %t65 = call %S.lexer.Token @finch.parser.expect(ptr %t64, { ptr, i64, i64 } { ptr @.str.839, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.840, i64 3, i64 0 })
+  store %S.lexer.Token %t65, ptr %a66
+  call void @finch.drop.S_lexer_Token(ptr %a66)
+  %t67 = load ptr, ptr %a1
+  %t68 = icmp eq ptr %t67, null
+  br i1 %t68, label %panic1486, label %ok1487
+panic1486:
+  call void @finch_panic(ptr @.str.841, i64 398, ptr @.str.842)
   unreachable
-ok1426:
-  %t54 = getelementptr inbounds %S.parser.Parser, ptr %t52, i32 0, i32 2
-  %t55 = load i64, ptr %t54
-  %t56 = add i64 %t55, 1
-  store i64 %t56, ptr %t54
-  %t57 = load ptr, ptr %a1
-  %t58 = call i1 @finch.parser.at(ptr %t57, { ptr, i64, i64 } { ptr @.str.834, i64 1, i64 0 })
-  %t59 = xor i1 %t58, true
-  br i1 %t59, label %then1427, label %endif1429
-then1427:
-  br label %while.cond1430
-while.cond1430:
-  br label %while.body1431
-while.body1431:
-  %t60 = load ptr, ptr %a1
-  %t61 = call %S.ast.Node @finch.parser.node(ptr %t60, { ptr, i64, i64 } { ptr @.str.835, i64 5, i64 0 })
-  store %S.ast.Node %t61, ptr %a62
-  %t63 = load ptr, ptr %a1
-  %t64 = call %S.ast.Type @finch.parser.parseType(ptr %t63)
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 5
-  store %S.ast.Type %t64, ptr %t65
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.expect(ptr %t66, { ptr, i64, i64 } { ptr @.str.836, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.837, i64 16, i64 0 })
-  %t68 = extractvalue %S.lexer.Token %t67, 1
-  store { ptr, i64, i64 } %t68, ptr %a69
-  call void @finch_str_copy(ptr %a70, ptr %a69)
-  %t71 = load { ptr, i64, i64 }, ptr %a70
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  store { ptr, i64, i64 } %t71, ptr %t72
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load %S.ast.Node, ptr %a62
-  store %S.ast.Node %t75, ptr %a76
-  call void @finch.copy.S_ast_Node(ptr %a77, ptr %a76)
-  %t78 = load %S.ast.Node, ptr %a77
-  %t79 = load i64, ptr %t74
-  %t80 = add i64 %t79, 1
-  call void @finch_arr_reserve(ptr %t73, i64 %t80, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t81 = load ptr, ptr %t73
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %t81, i64 %t79
-  store %S.ast.Node %t78, ptr %t82
-  store i64 %t80, ptr %t74
+ok1487:
+  %t69 = getelementptr inbounds %S.parser.Parser, ptr %t67, i32 0, i32 2
+  %t70 = load i64, ptr %t69
+  %t71 = add i64 %t70, 1
+  store i64 %t71, ptr %t69
+  %t72 = load ptr, ptr %a1
+  %t73 = call i1 @finch.parser.at(ptr %t72, { ptr, i64, i64 } { ptr @.str.843, i64 1, i64 0 })
+  %t74 = xor i1 %t73, true
+  br i1 %t74, label %then1488, label %endif1490
+then1488:
+  br label %while.cond1491
+while.cond1491:
+  br label %while.body1492
+while.body1492:
+  %t75 = load ptr, ptr %a1
+  %t76 = call %S.ast.Node @finch.parser.node(ptr %t75, { ptr, i64, i64 } { ptr @.str.844, i64 5, i64 0 })
+  store %S.ast.Node %t76, ptr %a77
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.ast.Type @finch.parser.parseType(ptr %t78)
+  %t80 = getelementptr inbounds %S.ast.Node, ptr %a77, i32 0, i32 5
+  %t81 = load %S.ast.Type, ptr %t80
+  store %S.ast.Type %t79, ptr %t80
+  store %S.ast.Type %t81, ptr %a82
+  call void @finch.drop.S_ast_Type(ptr %a82)
   %t83 = load ptr, ptr %a1
-  %t84 = call i1 @finch.parser.accept(ptr %t83, { ptr, i64, i64 } { ptr @.str.838, i64 1, i64 0 })
-  %t85 = xor i1 %t84, true
-  br i1 %t85, label %then1433, label %endif1435
-then1433:
-  br label %while.end1432
-endif1435:
-  br label %while.cond1430
-while.end1432:
-  br label %endif1429
-endif1429:
-  %t86 = load ptr, ptr %a1
-  %t87 = icmp eq ptr %t86, null
-  br i1 %t87, label %panic1436, label %ok1437
-panic1436:
-  call void @finch_panic(ptr @.str.839, i64 410, ptr @.str.840)
-  unreachable
-ok1437:
-  %t88 = getelementptr inbounds %S.parser.Parser, ptr %t86, i32 0, i32 2
-  %t89 = load i64, ptr %t88
-  %t90 = sub i64 %t89, 1
-  store i64 %t90, ptr %t88
-  %t91 = load ptr, ptr %a1
-  %t92 = call %S.lexer.Token @finch.parser.expect(ptr %t91, { ptr, i64, i64 } { ptr @.str.841, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.842, i64 3, i64 0 })
-  %t93 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.843, i64 4, i64 0 })
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
-  store %S.ast.Type %t93, ptr %t94
-  %t95 = load ptr, ptr %a1
-  %t96 = call i1 @finch.parser.accept(ptr %t95, { ptr, i64, i64 } { ptr @.str.844, i64 2, i64 0 })
-  br i1 %t96, label %then1438, label %endif1440
-then1438:
-  %t97 = load ptr, ptr %a1
-  %t98 = call i1 @finch.parser.at(ptr %t97, { ptr, i64, i64 } { ptr @.str.845, i64 1, i64 0 })
-  %t99 = xor i1 %t98, true
-  br i1 %t99, label %then1441, label %endif1443
-then1441:
-  %t100 = load ptr, ptr %a1
-  %t101 = call %S.ast.Type @finch.parser.parseType(ptr %t100)
-  %t102 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
-  store %S.ast.Type %t101, ptr %t102
-  br label %endif1443
-endif1443:
+  %t84 = call %S.lexer.Token @finch.parser.expect(ptr %t83, { ptr, i64, i64 } { ptr @.str.845, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.846, i64 16, i64 0 })
+  %t85 = extractvalue %S.lexer.Token %t84, 1
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_copy(ptr %a87, ptr %a86)
+  %t88 = load { ptr, i64, i64 }, ptr %a87
+  store %S.lexer.Token %t84, ptr %a89
+  call void @finch.drop.S_lexer_Token(ptr %a89)
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a77, i32 0, i32 1
+  %t91 = load { ptr, i64, i64 }, ptr %t90
+  store { ptr, i64, i64 } %t88, ptr %t90
+  store { ptr, i64, i64 } %t91, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i32 0, i32 1
+  %t95 = load %S.ast.Node, ptr %a77
+  store %S.ast.Node %t95, ptr %a96
+  call void @finch.copy.S_ast_Node(ptr %a97, ptr %a96)
+  %t98 = load %S.ast.Node, ptr %a97
+  %t99 = load i64, ptr %t94
+  %t100 = add i64 %t99, 1
+  call void @finch_arr_reserve(ptr %t93, i64 %t100, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t101 = load ptr, ptr %t93
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %t101, i64 %t99
+  store %S.ast.Node %t98, ptr %t102
+  store i64 %t100, ptr %t94
   %t103 = load ptr, ptr %a1
-  %t104 = call i1 @finch.parser.accept(ptr %t103, { ptr, i64, i64 } { ptr @.str.846, i64 1, i64 0 })
-  %t105 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
-  store i1 %t104, ptr %t105
-  %t106 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
-  %t107 = load i1, ptr %t106
-  %t108 = xor i1 %t107, true
-  br label %logic.from1444
-logic.from1444:
-  br i1 %t108, label %logic.rhs1445, label %logic.end1446
-logic.rhs1445:
-  %t109 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %t109, i32 0, i32 0
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.847, i64 4, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br label %logic.rend1447
-logic.rend1447:
-  br label %logic.end1446
-logic.end1446:
-  %t116 = phi i1 [ false, %logic.from1444 ], [ %t115, %logic.rend1447 ]
-  br i1 %t116, label %then1448, label %endif1450
-then1448:
-  %t117 = load ptr, ptr %a1
-  %t118 = load ptr, ptr %a1
-  %t119 = call %S.lexer.Token @finch.parser.cur(ptr %t118)
-  %t120 = load ptr, ptr %a1
-  %t121 = call %S.lexer.Token @finch.parser.cur(ptr %t120)
-  %t122 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t121)
-  store { ptr, i64, i64 } { ptr @.str.848, i64 11, i64 0 }, ptr %a124
-  store { ptr, i64, i64 } %t122, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.849, i64 61, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  call void @finch.parser.fail(ptr %t117, %S.lexer.Token %t119, { ptr, i64, i64 } %t130)
-  br label %endif1450
-endif1450:
-  br label %endif1440
-endif1440:
-  %t131 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t133 = load ptr, ptr %a1
-  %t134 = call %S.ast.Node @finch.parser.parseBlock(ptr %t133)
-  %t135 = load i64, ptr %t132
-  %t136 = add i64 %t135, 1
-  call void @finch_arr_reserve(ptr %t131, i64 %t136, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t137 = load ptr, ptr %t131
-  %t138 = getelementptr inbounds %S.ast.Node, ptr %t137, i64 %t135
-  store %S.ast.Node %t134, ptr %t138
-  store i64 %t136, ptr %t132
-  %t139 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t140 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t141 = getelementptr inbounds { ptr, i64, i64 }, ptr %t140, i32 0, i32 1
-  %t142 = load i64, ptr %t141
-  %t143 = sub i64 %t142, 1
-  %t144 = load { ptr, i64, i64 }, ptr %t139
-  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
-  %t146 = icmp uge i64 %t143, %t145
-  br i1 %t146, label %range1451, label %inrange1452
-range1451:
-  call void @finch_panic_index(ptr @.str.850, i64 423, i64 %t143, i64 %t145)
+  %t104 = call i1 @finch.parser.accept(ptr %t103, { ptr, i64, i64 } { ptr @.str.847, i64 1, i64 0 })
+  %t105 = xor i1 %t104, true
+  br i1 %t105, label %then1494, label %endif1496
+then1494:
+  call void @finch.drop.S_ast_Node(ptr %a77)
+  br label %while.end1493
+endif1496:
+  call void @finch.drop.S_ast_Node(ptr %a77)
+  br label %while.cond1491
+while.end1493:
+  br label %endif1490
+endif1490:
+  %t106 = load ptr, ptr %a1
+  %t107 = icmp eq ptr %t106, null
+  br i1 %t107, label %panic1497, label %ok1498
+panic1497:
+  call void @finch_panic(ptr @.str.848, i64 410, ptr @.str.849)
   unreachable
-inrange1452:
-  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
-  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 %t143
-  %t149 = getelementptr inbounds %S.ast.Node, ptr %t148, i32 0, i32 14
-  %t150 = load i64, ptr %t149
-  %t151 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
-  store i64 %t150, ptr %t151
-  %t152 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t152, ptr %a153
-  call void @finch.copy.S_ast_Node(ptr %a154, ptr %a153)
-  %t155 = load %S.ast.Node, ptr %a154
-  ret %S.ast.Node %t155
+ok1498:
+  %t108 = getelementptr inbounds %S.parser.Parser, ptr %t106, i32 0, i32 2
+  %t109 = load i64, ptr %t108
+  %t110 = sub i64 %t109, 1
+  store i64 %t110, ptr %t108
+  %t111 = load ptr, ptr %a1
+  %t112 = call %S.lexer.Token @finch.parser.expect(ptr %t111, { ptr, i64, i64 } { ptr @.str.850, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.851, i64 3, i64 0 })
+  store %S.lexer.Token %t112, ptr %a113
+  call void @finch.drop.S_lexer_Token(ptr %a113)
+  %t114 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.852, i64 4, i64 0 })
+  %t115 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
+  %t116 = load %S.ast.Type, ptr %t115
+  store %S.ast.Type %t114, ptr %t115
+  store %S.ast.Type %t116, ptr %a117
+  call void @finch.drop.S_ast_Type(ptr %a117)
+  %t118 = load ptr, ptr %a1
+  %t119 = call i1 @finch.parser.accept(ptr %t118, { ptr, i64, i64 } { ptr @.str.853, i64 2, i64 0 })
+  br i1 %t119, label %then1499, label %endif1501
+then1499:
+  %t120 = load ptr, ptr %a1
+  %t121 = call i1 @finch.parser.at(ptr %t120, { ptr, i64, i64 } { ptr @.str.854, i64 1, i64 0 })
+  %t122 = xor i1 %t121, true
+  br i1 %t122, label %then1502, label %endif1504
+then1502:
+  %t123 = load ptr, ptr %a1
+  %t124 = call %S.ast.Type @finch.parser.parseType(ptr %t123)
+  %t125 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
+  %t126 = load %S.ast.Type, ptr %t125
+  store %S.ast.Type %t124, ptr %t125
+  store %S.ast.Type %t126, ptr %a127
+  call void @finch.drop.S_ast_Type(ptr %a127)
+  br label %endif1504
+endif1504:
+  %t128 = load ptr, ptr %a1
+  %t129 = call i1 @finch.parser.accept(ptr %t128, { ptr, i64, i64 } { ptr @.str.855, i64 1, i64 0 })
+  %t130 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
+  store i1 %t129, ptr %t130
+  %t131 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
+  %t132 = load i1, ptr %t131
+  %t133 = xor i1 %t132, true
+  br label %logic.from1505
+logic.from1505:
+  br i1 %t133, label %logic.rhs1506, label %logic.end1507
+logic.rhs1506:
+  %t134 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
+  %t135 = getelementptr inbounds %S.ast.Type, ptr %t134, i32 0, i32 0
+  %t136 = load { ptr, i64, i64 }, ptr %t135
+  store { ptr, i64, i64 } %t136, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.856, i64 4, i64 0 }, ptr %a138
+  %t139 = call i32 @finch_str_eq(ptr %a137, ptr %a138)
+  %t140 = icmp ne i32 %t139, 0
+  br label %logic.rend1508
+logic.rend1508:
+  br label %logic.end1507
+logic.end1507:
+  %t141 = phi i1 [ false, %logic.from1505 ], [ %t140, %logic.rend1508 ]
+  br i1 %t141, label %then1509, label %endif1511
+then1509:
+  %t142 = load ptr, ptr %a1
+  %t143 = load ptr, ptr %a1
+  %t144 = call %S.lexer.Token @finch.parser.cur(ptr %t143)
+  %t145 = load ptr, ptr %a1
+  %t146 = call %S.lexer.Token @finch.parser.cur(ptr %t145)
+  %t147 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t146)
+  store %S.lexer.Token %t146, ptr %a148
+  call void @finch.drop.S_lexer_Token(ptr %a148)
+  store { ptr, i64, i64 } { ptr @.str.857, i64 11, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } %t147, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  store { ptr, i64, i64 } %t147, ptr %a152
+  call void @finch_str_drop(ptr %a152)
+  %t153 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t153, ptr %a155
+  store { ptr, i64, i64 } { ptr @.str.858, i64 61, i64 0 }, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  store { ptr, i64, i64 } %t153, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a154
+  call void @finch.parser.fail(ptr %t142, %S.lexer.Token %t144, { ptr, i64, i64 } %t158)
+  store %S.lexer.Token %t144, ptr %a159
+  call void @finch.drop.S_lexer_Token(ptr %a159)
+  store { ptr, i64, i64 } %t158, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  br label %endif1511
+endif1511:
+  br label %endif1501
+endif1501:
+  %t161 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t162 = getelementptr inbounds { ptr, i64, i64 }, ptr %t161, i32 0, i32 1
+  %t163 = load ptr, ptr %a1
+  %t164 = call %S.ast.Node @finch.parser.parseBlock(ptr %t163)
+  %t165 = load i64, ptr %t162
+  %t166 = add i64 %t165, 1
+  call void @finch_arr_reserve(ptr %t161, i64 %t166, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t167 = load ptr, ptr %t161
+  %t168 = getelementptr inbounds %S.ast.Node, ptr %t167, i64 %t165
+  store %S.ast.Node %t164, ptr %t168
+  store i64 %t166, ptr %t162
+  %t169 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t170 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t171 = getelementptr inbounds { ptr, i64, i64 }, ptr %t170, i32 0, i32 1
+  %t172 = load i64, ptr %t171
+  %t173 = sub i64 %t172, 1
+  %t174 = load { ptr, i64, i64 }, ptr %t169
+  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
+  %t176 = icmp uge i64 %t173, %t175
+  br i1 %t176, label %range1512, label %inrange1513
+range1512:
+  call void @finch_panic_index(ptr @.str.859, i64 423, i64 %t173, i64 %t175)
+  unreachable
+inrange1513:
+  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
+  %t178 = getelementptr inbounds %S.ast.Node, ptr %t177, i64 %t173
+  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i32 0, i32 14
+  %t180 = load i64, ptr %t179
+  %t181 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
+  store i64 %t180, ptr %t181
+  %t182 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t182
 }
 
 define internal %S.ast.Node @finch.parser.parseBlock(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a11 = alloca i64, align 16
-  %a43 = alloca %S.ast.Node, align 16
-  %a44 = alloca %S.ast.Node, align 16
+  %a7 = alloca %S.lexer.Token, align 16
+  %a12 = alloca i64, align 16
+  %a24 = alloca %S.lexer.Token, align 16
+  %a41 = alloca %S.lexer.Token, align 16
+  %a45 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.851, i64 5, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.860, i64 5, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.852, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.853, i64 3, i64 0 })
-  %t7 = load ptr, ptr %a1
-  %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic1453, label %ok1454
-panic1453:
-  call void @finch_panic(ptr @.str.854, i64 432, ptr @.str.855)
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.861, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.862, i64 3, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = load ptr, ptr %a1
+  %t9 = icmp eq ptr %t8, null
+  br i1 %t9, label %panic1514, label %ok1515
+panic1514:
+  call void @finch_panic(ptr @.str.863, i64 432, ptr @.str.864)
   unreachable
-ok1454:
-  %t9 = getelementptr inbounds %S.parser.Parser, ptr %t7, i32 0, i32 2
-  %t10 = load i64, ptr %t9
-  store i64 %t10, ptr %a11
-  %t12 = load ptr, ptr %a1
-  %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic1455, label %ok1456
-panic1455:
-  call void @finch_panic(ptr @.str.856, i64 433, ptr @.str.857)
+ok1515:
+  %t10 = getelementptr inbounds %S.parser.Parser, ptr %t8, i32 0, i32 2
+  %t11 = load i64, ptr %t10
+  store i64 %t11, ptr %a12
+  %t13 = load ptr, ptr %a1
+  %t14 = icmp eq ptr %t13, null
+  br i1 %t14, label %panic1516, label %ok1517
+panic1516:
+  call void @finch_panic(ptr @.str.865, i64 433, ptr @.str.866)
   unreachable
-ok1456:
-  %t14 = getelementptr inbounds %S.parser.Parser, ptr %t12, i32 0, i32 2
-  store i64 0, ptr %t14
-  br label %while.cond1457
-while.cond1457:
-  %t15 = load ptr, ptr %a1
-  %t16 = call i1 @finch.parser.at(ptr %t15, { ptr, i64, i64 } { ptr @.str.858, i64 1, i64 0 })
-  %t17 = xor i1 %t16, true
-  br i1 %t17, label %while.body1458, label %while.end1459
-while.body1458:
-  %t18 = load ptr, ptr %a1
-  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.859, i64 3, i64 0 })
-  br i1 %t19, label %then1460, label %endif1462
-then1460:
-  %t20 = load ptr, ptr %a1
+ok1517:
+  %t15 = getelementptr inbounds %S.parser.Parser, ptr %t13, i32 0, i32 2
+  store i64 0, ptr %t15
+  br label %while.cond1518
+while.cond1518:
+  %t16 = load ptr, ptr %a1
+  %t17 = call i1 @finch.parser.at(ptr %t16, { ptr, i64, i64 } { ptr @.str.867, i64 1, i64 0 })
+  %t18 = xor i1 %t17, true
+  br i1 %t18, label %while.body1519, label %while.end1520
+while.body1519:
+  %t19 = load ptr, ptr %a1
+  %t20 = call i1 @finch.parser.at(ptr %t19, { ptr, i64, i64 } { ptr @.str.868, i64 3, i64 0 })
+  br i1 %t20, label %then1521, label %endif1523
+then1521:
   %t21 = load ptr, ptr %a1
-  %t22 = call %S.lexer.Token @finch.parser.cur(ptr %t21)
-  call void @finch.parser.fail(ptr %t20, %S.lexer.Token %t22, { ptr, i64, i64 } { ptr @.str.860, i64 35, i64 0 })
-  br label %endif1462
-endif1462:
-  %t23 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i32 0, i32 1
-  %t25 = load ptr, ptr %a1
-  %t26 = call %S.ast.Node @finch.parser.parseStatement(ptr %t25)
-  %t27 = load i64, ptr %t24
-  %t28 = add i64 %t27, 1
-  call void @finch_arr_reserve(ptr %t23, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t29 = load ptr, ptr %t23
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
-  store %S.ast.Node %t26, ptr %t30
-  store i64 %t28, ptr %t24
-  %t31 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t31)
-  br label %while.cond1457
-while.end1459:
-  %t32 = load i64, ptr %a11
+  %t22 = load ptr, ptr %a1
+  %t23 = call %S.lexer.Token @finch.parser.cur(ptr %t22)
+  call void @finch.parser.fail(ptr %t21, %S.lexer.Token %t23, { ptr, i64, i64 } { ptr @.str.869, i64 35, i64 0 })
+  store %S.lexer.Token %t23, ptr %a24
+  call void @finch.drop.S_lexer_Token(ptr %a24)
+  br label %endif1523
+endif1523:
+  %t25 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i32 0, i32 1
+  %t27 = load ptr, ptr %a1
+  %t28 = call %S.ast.Node @finch.parser.parseStatement(ptr %t27)
+  %t29 = load i64, ptr %t26
+  %t30 = add i64 %t29, 1
+  call void @finch_arr_reserve(ptr %t25, i64 %t30, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t31 = load ptr, ptr %t25
+  %t32 = getelementptr inbounds %S.ast.Node, ptr %t31, i64 %t29
+  store %S.ast.Node %t28, ptr %t32
+  store i64 %t30, ptr %t26
   %t33 = load ptr, ptr %a1
-  %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic1463, label %ok1464
-panic1463:
-  call void @finch_panic(ptr @.str.861, i64 441, ptr @.str.862)
+  call void @finch.parser.endOfStatement(ptr %t33)
+  br label %while.cond1518
+while.end1520:
+  %t34 = load i64, ptr %a12
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic1524, label %ok1525
+panic1524:
+  call void @finch_panic(ptr @.str.870, i64 441, ptr @.str.871)
   unreachable
-ok1464:
-  %t35 = getelementptr inbounds %S.parser.Parser, ptr %t33, i32 0, i32 2
-  store i64 %t32, ptr %t35
-  %t36 = load ptr, ptr %a1
-  %t37 = call %S.lexer.Token @finch.parser.cur(ptr %t36)
-  %t38 = extractvalue %S.lexer.Token %t37, 2
-  %t39 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
-  store i64 %t38, ptr %t39
-  %t40 = load ptr, ptr %a1
-  %t41 = call %S.lexer.Token @finch.parser.next(ptr %t40)
-  %t42 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t42, ptr %a43
-  call void @finch.copy.S_ast_Node(ptr %a44, ptr %a43)
-  %t45 = load %S.ast.Node, ptr %a44
-  ret %S.ast.Node %t45
+ok1525:
+  %t37 = getelementptr inbounds %S.parser.Parser, ptr %t35, i32 0, i32 2
+  store i64 %t34, ptr %t37
+  %t38 = load ptr, ptr %a1
+  %t39 = call %S.lexer.Token @finch.parser.cur(ptr %t38)
+  %t40 = extractvalue %S.lexer.Token %t39, 2
+  store %S.lexer.Token %t39, ptr %a41
+  call void @finch.drop.S_lexer_Token(ptr %a41)
+  %t42 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
+  store i64 %t40, ptr %t42
+  %t43 = load ptr, ptr %a1
+  %t44 = call %S.lexer.Token @finch.parser.next(ptr %t43)
+  store %S.lexer.Token %t44, ptr %a45
+  call void @finch.drop.S_lexer_Token(ptr %a45)
+  %t46 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t46
 }
 
 define internal %S.ast.Node @finch.parser.parseStatement(ptr %p0) {
@@ -16612,846 +18557,945 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca %S.ast.Node, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca %S.lexer.Token, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca %S.ast.Node, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca %S.ast.Node, align 16
+  %a50 = alloca %S.lexer.Token, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.lexer.Token, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca %S.lexer.Token, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca %S.lexer.Token, align 16
+  %a93 = alloca %S.lexer.Token, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca %S.ast.Node, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca %S.ast.Node, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca %S.ast.Node, align 16
+  %a131 = alloca %S.lexer.Token, align 16
+  %a138 = alloca %S.lexer.Token, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca %S.ast.Node, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca %S.ast.Node, align 16
+  %a167 = alloca %S.lexer.Token, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca %S.ast.Node, align 16
+  %a186 = alloca %S.lexer.Token, align 16
+  %a192 = alloca %S.lexer.Token, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca %S.ast.Node, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca %S.ast.Node, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca %S.lexer.Token, align 16
-  %a282 = alloca %S.ast.Node, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca %S.lexer.Token, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca %S.ast.Node, align 16
+  %a250 = alloca %S.ast.Type, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca %S.lexer.Token, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca %S.ast.Node, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca %S.lexer.Token, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca i64, align 16
-  %a301 = alloca i64, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca %S.lexer.Token, align 16
+  %a309 = alloca %S.lexer.Token, align 16
+  %a312 = alloca %S.ast.Node, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca %S.ast.Node, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca i64, align 16
+  %a331 = alloca i64, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
   %a355 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca %S.ast.Node, align 16
-  %a362 = alloca %S.ast.Node, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca %S.ast.Node, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca %S.ast.Node, align 16
-  %a422 = alloca %S.ast.Node, align 16
-  %a423 = alloca %S.ast.Node, align 16
-  %a430 = alloca %S.ast.Node, align 16
-  %a431 = alloca %S.ast.Node, align 16
+  %a388 = alloca %S.lexer.Token, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca %S.ast.Node, align 16
+  %a396 = alloca %S.ast.Node, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca %S.ast.Node, align 16
+  %a456 = alloca %S.ast.Node, align 16
+  %a457 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t2)
   store { ptr, i64, i64 } %t3, ptr %a4
   %t5 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.863, i64 2, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.872, i64 2, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then1465, label %endif1467
-then1465:
+  br i1 %t9, label %then1526, label %endif1528
+then1526:
   %t10 = load ptr, ptr %a1
   %t11 = call %S.ast.Node @finch.parser.parseIf(ptr %t10)
+  call void @finch_str_drop(ptr %a4)
   ret %S.ast.Node %t11
-endif1467:
+endif1528:
   %t12 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.864, i64 5, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.873, i64 5, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br i1 %t16, label %then1468, label %endif1470
-then1468:
+  br i1 %t16, label %then1529, label %endif1531
+then1529:
   %t17 = load ptr, ptr %a1
-  %t18 = call %S.ast.Node @finch.parser.node(ptr %t17, { ptr, i64, i64 } { ptr @.str.865, i64 5, i64 0 })
+  %t18 = call %S.ast.Node @finch.parser.node(ptr %t17, { ptr, i64, i64 } { ptr @.str.874, i64 5, i64 0 })
   store %S.ast.Node %t18, ptr %a19
   %t20 = load ptr, ptr %a1
   %t21 = call %S.lexer.Token @finch.parser.next(ptr %t20)
-  %t22 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load ptr, ptr %a1
-  %t25 = call %S.ast.Node @finch.parser.parseExpr(ptr %t24)
-  %t26 = load i64, ptr %t23
-  %t27 = add i64 %t26, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t27, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t28 = load ptr, ptr %t22
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %t28, i64 %t26
-  store %S.ast.Node %t25, ptr %t29
-  store i64 %t27, ptr %t23
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.ast.Node @finch.parser.parseBlock(ptr %t32)
-  %t34 = load i64, ptr %t31
-  %t35 = add i64 %t34, 1
-  call void @finch_arr_reserve(ptr %t30, i64 %t35, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t36 = load ptr, ptr %t30
-  %t37 = getelementptr inbounds %S.ast.Node, ptr %t36, i64 %t34
-  store %S.ast.Node %t33, ptr %t37
-  store i64 %t35, ptr %t31
-  %t38 = load %S.ast.Node, ptr %a19
-  ret %S.ast.Node %t38
-endif1470:
-  %t39 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.866, i64 3, i64 0 }, ptr %a41
-  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
-  %t43 = icmp ne i32 %t42, 0
-  br i1 %t43, label %then1471, label %endif1473
-then1471:
-  %t44 = load ptr, ptr %a1
-  %t45 = call %S.ast.Node @finch.parser.node(ptr %t44, { ptr, i64, i64 } { ptr @.str.867, i64 3, i64 0 })
-  store %S.ast.Node %t45, ptr %a46
-  %t47 = load ptr, ptr %a1
-  %t48 = call %S.lexer.Token @finch.parser.next(ptr %t47)
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.expect(ptr %t49, { ptr, i64, i64 } { ptr @.str.868, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.869, i64 20, i64 0 })
-  %t51 = extractvalue %S.lexer.Token %t50, 1
-  store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  %t55 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 1
-  store { ptr, i64, i64 } %t54, ptr %t55
-  %t56 = load ptr, ptr %a1
-  %t57 = call i1 @finch.parser.accept(ptr %t56, { ptr, i64, i64 } { ptr @.str.870, i64 1, i64 0 })
-  br i1 %t57, label %then1474, label %endif1476
-then1474:
-  %t58 = load ptr, ptr %a1
-  %t59 = call %S.lexer.Token @finch.parser.expect(ptr %t58, { ptr, i64, i64 } { ptr @.str.871, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.872, i64 27, i64 0 })
-  %t60 = extractvalue %S.lexer.Token %t59, 1
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  %t64 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 4
-  store { ptr, i64, i64 } %t63, ptr %t64
-  br label %endif1476
-endif1476:
-  %t65 = load ptr, ptr %a1
-  %t66 = call %S.lexer.Token @finch.parser.expect(ptr %t65, { ptr, i64, i64 } { ptr @.str.873, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.874, i64 4, i64 0 })
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
-  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
-  %t69 = load ptr, ptr %a1
-  %t70 = call %S.ast.Node @finch.parser.parseExpr(ptr %t69)
-  %t71 = load i64, ptr %t68
-  %t72 = add i64 %t71, 1
-  call void @finch_arr_reserve(ptr %t67, i64 %t72, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t73 = load ptr, ptr %t67
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 %t71
-  store %S.ast.Node %t70, ptr %t74
-  store i64 %t72, ptr %t68
-  %t75 = load ptr, ptr %a1
-  %t76 = call i1 @finch.parser.accept(ptr %t75, { ptr, i64, i64 } { ptr @.str.875, i64 2, i64 0 })
-  br i1 %t76, label %then1477, label %else1478
-then1477:
-  %t77 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 4
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t79 = load i64, ptr %t78
-  %t80 = icmp sgt i64 %t79, 0
-  br i1 %t80, label %then1480, label %endif1482
-then1480:
-  %t81 = load ptr, ptr %a1
-  %t82 = load ptr, ptr %a1
-  %t83 = call %S.lexer.Token @finch.parser.cur(ptr %t82)
-  call void @finch.parser.fail(ptr %t81, %S.lexer.Token %t83, { ptr, i64, i64 } { ptr @.str.876, i64 55, i64 0 })
-  br label %endif1482
-endif1482:
-  %t84 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
-  %t85 = getelementptr inbounds { ptr, i64, i64 }, ptr %t84, i32 0, i32 1
-  %t86 = load ptr, ptr %a1
-  %t87 = call %S.ast.Node @finch.parser.parseExpr(ptr %t86)
-  %t88 = load i64, ptr %t85
-  %t89 = add i64 %t88, 1
-  call void @finch_arr_reserve(ptr %t84, i64 %t89, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t90 = load ptr, ptr %t84
-  %t91 = getelementptr inbounds %S.ast.Node, ptr %t90, i64 %t88
-  store %S.ast.Node %t87, ptr %t91
-  store i64 %t89, ptr %t85
-  br label %endif1479
-else1478:
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.877, i64 4, i64 0 }, ptr %t92
-  br label %endif1479
-endif1479:
-  %t93 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i32 0, i32 1
-  %t95 = load ptr, ptr %a1
-  %t96 = call %S.ast.Node @finch.parser.parseBlock(ptr %t95)
-  %t97 = load i64, ptr %t94
-  %t98 = add i64 %t97, 1
-  call void @finch_arr_reserve(ptr %t93, i64 %t98, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t99 = load ptr, ptr %t93
-  %t100 = getelementptr inbounds %S.ast.Node, ptr %t99, i64 %t97
-  store %S.ast.Node %t96, ptr %t100
-  store i64 %t98, ptr %t94
-  %t101 = load %S.ast.Node, ptr %a46
-  ret %S.ast.Node %t101
-endif1473:
-  %t102 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t102, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.878, i64 5, i64 0 }, ptr %a104
-  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
-  %t106 = icmp ne i32 %t105, 0
-  br i1 %t106, label %then1483, label %endif1485
-then1483:
+  store %S.lexer.Token %t21, ptr %a22
+  call void @finch.drop.S_lexer_Token(ptr %a22)
+  %t23 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
+  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i32 0, i32 1
+  %t25 = load ptr, ptr %a1
+  %t26 = call %S.ast.Node @finch.parser.parseExpr(ptr %t25)
+  %t27 = load i64, ptr %t24
+  %t28 = add i64 %t27, 1
+  call void @finch_arr_reserve(ptr %t23, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t29 = load ptr, ptr %t23
+  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
+  store %S.ast.Node %t26, ptr %t30
+  store i64 %t28, ptr %t24
+  %t31 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.ast.Node @finch.parser.parseBlock(ptr %t33)
+  %t35 = load i64, ptr %t32
+  %t36 = add i64 %t35, 1
+  call void @finch_arr_reserve(ptr %t31, i64 %t36, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t37 = load ptr, ptr %t31
+  %t38 = getelementptr inbounds %S.ast.Node, ptr %t37, i64 %t35
+  store %S.ast.Node %t34, ptr %t38
+  store i64 %t36, ptr %t32
+  %t39 = load %S.ast.Node, ptr %a19
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t39
+endif1531:
+  %t40 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t40, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.875, i64 3, i64 0 }, ptr %a42
+  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
+  %t44 = icmp ne i32 %t43, 0
+  br i1 %t44, label %then1532, label %endif1534
+then1532:
+  %t45 = load ptr, ptr %a1
+  %t46 = call %S.ast.Node @finch.parser.node(ptr %t45, { ptr, i64, i64 } { ptr @.str.876, i64 3, i64 0 })
+  store %S.ast.Node %t46, ptr %a47
+  %t48 = load ptr, ptr %a1
+  %t49 = call %S.lexer.Token @finch.parser.next(ptr %t48)
+  store %S.lexer.Token %t49, ptr %a50
+  call void @finch.drop.S_lexer_Token(ptr %a50)
+  %t51 = load ptr, ptr %a1
+  %t52 = call %S.lexer.Token @finch.parser.expect(ptr %t51, { ptr, i64, i64 } { ptr @.str.877, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.878, i64 20, i64 0 })
+  %t53 = extractvalue %S.lexer.Token %t52, 1
+  store { ptr, i64, i64 } %t53, ptr %a54
+  call void @finch_str_copy(ptr %a55, ptr %a54)
+  %t56 = load { ptr, i64, i64 }, ptr %a55
+  store %S.lexer.Token %t52, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  %t58 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 1
+  %t59 = load { ptr, i64, i64 }, ptr %t58
+  store { ptr, i64, i64 } %t56, ptr %t58
+  store { ptr, i64, i64 } %t59, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load ptr, ptr %a1
+  %t62 = call i1 @finch.parser.accept(ptr %t61, { ptr, i64, i64 } { ptr @.str.879, i64 1, i64 0 })
+  br i1 %t62, label %then1535, label %endif1537
+then1535:
+  %t63 = load ptr, ptr %a1
+  %t64 = call %S.lexer.Token @finch.parser.expect(ptr %t63, { ptr, i64, i64 } { ptr @.str.880, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.881, i64 27, i64 0 })
+  %t65 = extractvalue %S.lexer.Token %t64, 1
+  store { ptr, i64, i64 } %t65, ptr %a66
+  call void @finch_str_copy(ptr %a67, ptr %a66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store %S.lexer.Token %t64, ptr %a69
+  call void @finch.drop.S_lexer_Token(ptr %a69)
+  %t70 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 4
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  store { ptr, i64, i64 } %t68, ptr %t70
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  br label %endif1537
+endif1537:
+  %t73 = load ptr, ptr %a1
+  %t74 = call %S.lexer.Token @finch.parser.expect(ptr %t73, { ptr, i64, i64 } { ptr @.str.882, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.883, i64 4, i64 0 })
+  store %S.lexer.Token %t74, ptr %a75
+  call void @finch.drop.S_lexer_Token(ptr %a75)
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 9
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.ast.Node @finch.parser.parseExpr(ptr %t78)
+  %t80 = load i64, ptr %t77
+  %t81 = add i64 %t80, 1
+  call void @finch_arr_reserve(ptr %t76, i64 %t81, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t82 = load ptr, ptr %t76
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %t82, i64 %t80
+  store %S.ast.Node %t79, ptr %t83
+  store i64 %t81, ptr %t77
+  %t84 = load ptr, ptr %a1
+  %t85 = call i1 @finch.parser.accept(ptr %t84, { ptr, i64, i64 } { ptr @.str.884, i64 2, i64 0 })
+  br i1 %t85, label %then1538, label %else1539
+then1538:
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 4
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
+  %t88 = load i64, ptr %t87
+  %t89 = icmp sgt i64 %t88, 0
+  br i1 %t89, label %then1541, label %endif1543
+then1541:
+  %t90 = load ptr, ptr %a1
+  %t91 = load ptr, ptr %a1
+  %t92 = call %S.lexer.Token @finch.parser.cur(ptr %t91)
+  call void @finch.parser.fail(ptr %t90, %S.lexer.Token %t92, { ptr, i64, i64 } { ptr @.str.885, i64 55, i64 0 })
+  store %S.lexer.Token %t92, ptr %a93
+  call void @finch.drop.S_lexer_Token(ptr %a93)
+  br label %endif1543
+endif1543:
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 9
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
+  %t96 = load ptr, ptr %a1
+  %t97 = call %S.ast.Node @finch.parser.parseExpr(ptr %t96)
+  %t98 = load i64, ptr %t95
+  %t99 = add i64 %t98, 1
+  call void @finch_arr_reserve(ptr %t94, i64 %t99, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t100 = load ptr, ptr %t94
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 %t98
+  store %S.ast.Node %t97, ptr %t101
+  store i64 %t99, ptr %t95
+  br label %endif1540
+else1539:
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 0
+  %t103 = load { ptr, i64, i64 }, ptr %t102
+  store { ptr, i64, i64 } { ptr @.str.886, i64 4, i64 0 }, ptr %t102
+  store { ptr, i64, i64 } %t103, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  br label %endif1540
+endif1540:
+  %t105 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 9
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t105, i32 0, i32 1
   %t107 = load ptr, ptr %a1
-  %t108 = call %S.ast.Node @finch.parser.parseMatch(ptr %t107, i1 false)
-  ret %S.ast.Node %t108
-endif1485:
-  %t109 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t109, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.879, i64 6, i64 0 }, ptr %a111
-  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
-  %t113 = icmp ne i32 %t112, 0
-  br i1 %t113, label %then1486, label %endif1488
-then1486:
-  %t114 = load ptr, ptr %a1
-  %t115 = call %S.ast.Node @finch.parser.node(ptr %t114, { ptr, i64, i64 } { ptr @.str.880, i64 6, i64 0 })
-  store %S.ast.Node %t115, ptr %a116
-  %t117 = load ptr, ptr %a1
-  %t118 = call %S.lexer.Token @finch.parser.next(ptr %t117)
+  %t108 = call %S.ast.Node @finch.parser.parseBlock(ptr %t107)
+  %t109 = load i64, ptr %t106
+  %t110 = add i64 %t109, 1
+  call void @finch_arr_reserve(ptr %t105, i64 %t110, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t111 = load ptr, ptr %t105
+  %t112 = getelementptr inbounds %S.ast.Node, ptr %t111, i64 %t109
+  store %S.ast.Node %t108, ptr %t112
+  store i64 %t110, ptr %t106
+  %t113 = load %S.ast.Node, ptr %a47
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t113
+endif1534:
+  %t114 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.887, i64 5, i64 0 }, ptr %a116
+  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
+  %t118 = icmp ne i32 %t117, 0
+  br i1 %t118, label %then1544, label %endif1546
+then1544:
   %t119 = load ptr, ptr %a1
-  %t120 = call i1 @finch.parser.at(ptr %t119, { ptr, i64, i64 } { ptr @.str.881, i64 1, i64 0 })
-  %t121 = xor i1 %t120, true
-  br label %logic.from1489
-logic.from1489:
-  br i1 %t121, label %logic.rhs1490, label %logic.end1491
-logic.rhs1490:
-  %t122 = load ptr, ptr %a1
-  %t123 = call %S.lexer.Token @finch.parser.cur(ptr %t122)
-  %t124 = extractvalue %S.lexer.Token %t123, 4
-  %t125 = xor i1 %t124, true
-  br label %logic.rend1492
-logic.rend1492:
-  br label %logic.end1491
-logic.end1491:
-  %t126 = phi i1 [ false, %logic.from1489 ], [ %t125, %logic.rend1492 ]
-  br i1 %t126, label %then1493, label %endif1495
-then1493:
-  %t127 = getelementptr inbounds %S.ast.Node, ptr %a116, i32 0, i32 9
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i32 0, i32 1
+  %t120 = call %S.ast.Node @finch.parser.parseMatch(ptr %t119, i1 false)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t120
+endif1546:
+  %t121 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t121, ptr %a122
+  store { ptr, i64, i64 } { ptr @.str.888, i64 6, i64 0 }, ptr %a123
+  %t124 = call i32 @finch_str_eq(ptr %a122, ptr %a123)
+  %t125 = icmp ne i32 %t124, 0
+  br i1 %t125, label %then1547, label %endif1549
+then1547:
+  %t126 = load ptr, ptr %a1
+  %t127 = call %S.ast.Node @finch.parser.node(ptr %t126, { ptr, i64, i64 } { ptr @.str.889, i64 6, i64 0 })
+  store %S.ast.Node %t127, ptr %a128
   %t129 = load ptr, ptr %a1
-  %t130 = call %S.ast.Node @finch.parser.parseExpr(ptr %t129)
-  %t131 = load i64, ptr %t128
-  %t132 = add i64 %t131, 1
-  call void @finch_arr_reserve(ptr %t127, i64 %t132, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t133 = load ptr, ptr %t127
-  %t134 = getelementptr inbounds %S.ast.Node, ptr %t133, i64 %t131
-  store %S.ast.Node %t130, ptr %t134
-  store i64 %t132, ptr %t128
-  br label %endif1495
-endif1495:
-  %t135 = load %S.ast.Node, ptr %a116
-  ret %S.ast.Node %t135
-endif1488:
-  %t136 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t136, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.882, i64 5, i64 0 }, ptr %a138
-  %t139 = call i32 @finch_str_eq(ptr %a137, ptr %a138)
-  %t140 = icmp ne i32 %t139, 0
-  br label %logic.from1496
-logic.from1496:
-  br i1 %t140, label %logic.end1498, label %logic.rhs1497
-logic.rhs1497:
-  %t141 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t141, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.883, i64 8, i64 0 }, ptr %a143
-  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
-  %t145 = icmp ne i32 %t144, 0
-  br label %logic.rend1499
-logic.rend1499:
-  br label %logic.end1498
-logic.end1498:
-  %t146 = phi i1 [ true, %logic.from1496 ], [ %t145, %logic.rend1499 ]
-  br i1 %t146, label %then1500, label %endif1502
-then1500:
-  %t147 = load ptr, ptr %a1
-  %t148 = load { ptr, i64, i64 }, ptr %a4
-  %t149 = call %S.ast.Node @finch.parser.node(ptr %t147, { ptr, i64, i64 } %t148)
-  store %S.ast.Node %t149, ptr %a150
-  %t151 = load ptr, ptr %a1
-  %t152 = call %S.lexer.Token @finch.parser.next(ptr %t151)
-  %t153 = load %S.ast.Node, ptr %a150
-  ret %S.ast.Node %t153
-endif1502:
-  %t154 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t154, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.884, i64 1, i64 0 }, ptr %a156
-  %t157 = call i32 @finch_str_eq(ptr %a155, ptr %a156)
-  %t158 = icmp ne i32 %t157, 0
-  br i1 %t158, label %then1503, label %endif1505
-then1503:
-  %t159 = load ptr, ptr %a1
-  %t160 = call %S.ast.Node @finch.parser.parseBlock(ptr %t159)
-  ret %S.ast.Node %t160
-endif1505:
-  %t161 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t161, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.885, i64 5, i64 0 }, ptr %a163
-  %t164 = call i32 @finch_str_eq(ptr %a162, ptr %a163)
-  %t165 = icmp ne i32 %t164, 0
-  br i1 %t165, label %then1506, label %endif1508
-then1506:
-  %t166 = load ptr, ptr %a1
-  %t167 = call %S.ast.Node @finch.parser.node(ptr %t166, { ptr, i64, i64 } { ptr @.str.886, i64 5, i64 0 })
-  store %S.ast.Node %t167, ptr %a168
-  %t169 = load ptr, ptr %a1
-  %t170 = call %S.lexer.Token @finch.parser.next(ptr %t169)
-  %t171 = load ptr, ptr %a1
-  %t172 = call i1 @finch.parser.at(ptr %t171, { ptr, i64, i64 } { ptr @.str.887, i64 5, i64 0 })
-  br i1 %t172, label %then1509, label %endif1511
-then1509:
-  %t173 = load ptr, ptr %a1
+  %t130 = call %S.lexer.Token @finch.parser.next(ptr %t129)
+  store %S.lexer.Token %t130, ptr %a131
+  call void @finch.drop.S_lexer_Token(ptr %a131)
+  %t132 = load ptr, ptr %a1
+  %t133 = call i1 @finch.parser.at(ptr %t132, { ptr, i64, i64 } { ptr @.str.890, i64 1, i64 0 })
+  %t134 = xor i1 %t133, true
+  br label %logic.from1550
+logic.from1550:
+  br i1 %t134, label %logic.rhs1551, label %logic.end1552
+logic.rhs1551:
+  %t135 = load ptr, ptr %a1
+  %t136 = call %S.lexer.Token @finch.parser.cur(ptr %t135)
+  %t137 = extractvalue %S.lexer.Token %t136, 4
+  store %S.lexer.Token %t136, ptr %a138
+  call void @finch.drop.S_lexer_Token(ptr %a138)
+  %t139 = xor i1 %t137, true
+  br label %logic.rend1553
+logic.rend1553:
+  br label %logic.end1552
+logic.end1552:
+  %t140 = phi i1 [ false, %logic.from1550 ], [ %t139, %logic.rend1553 ]
+  br i1 %t140, label %then1554, label %endif1556
+then1554:
+  %t141 = getelementptr inbounds %S.ast.Node, ptr %a128, i32 0, i32 9
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i32 0, i32 1
+  %t143 = load ptr, ptr %a1
+  %t144 = call %S.ast.Node @finch.parser.parseExpr(ptr %t143)
+  %t145 = load i64, ptr %t142
+  %t146 = add i64 %t145, 1
+  call void @finch_arr_reserve(ptr %t141, i64 %t146, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t147 = load ptr, ptr %t141
+  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 %t145
+  store %S.ast.Node %t144, ptr %t148
+  store i64 %t146, ptr %t142
+  br label %endif1556
+endif1556:
+  %t149 = load %S.ast.Node, ptr %a128
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t149
+endif1549:
+  %t150 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t150, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.891, i64 5, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
+  %t154 = icmp ne i32 %t153, 0
+  br label %logic.from1557
+logic.from1557:
+  br i1 %t154, label %logic.end1559, label %logic.rhs1558
+logic.rhs1558:
+  %t155 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t155, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.892, i64 8, i64 0 }, ptr %a157
+  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
+  %t159 = icmp ne i32 %t158, 0
+  br label %logic.rend1560
+logic.rend1560:
+  br label %logic.end1559
+logic.end1559:
+  %t160 = phi i1 [ true, %logic.from1557 ], [ %t159, %logic.rend1560 ]
+  br i1 %t160, label %then1561, label %endif1563
+then1561:
+  %t161 = load ptr, ptr %a1
+  %t162 = load { ptr, i64, i64 }, ptr %a4
+  %t163 = call %S.ast.Node @finch.parser.node(ptr %t161, { ptr, i64, i64 } %t162)
+  store %S.ast.Node %t163, ptr %a164
+  %t165 = load ptr, ptr %a1
+  %t166 = call %S.lexer.Token @finch.parser.next(ptr %t165)
+  store %S.lexer.Token %t166, ptr %a167
+  call void @finch.drop.S_lexer_Token(ptr %a167)
+  %t168 = load %S.ast.Node, ptr %a164
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t168
+endif1563:
+  %t169 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t169, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.893, i64 1, i64 0 }, ptr %a171
+  %t172 = call i32 @finch_str_eq(ptr %a170, ptr %a171)
+  %t173 = icmp ne i32 %t172, 0
+  br i1 %t173, label %then1564, label %endif1566
+then1564:
   %t174 = load ptr, ptr %a1
-  %t175 = call %S.lexer.Token @finch.parser.cur(ptr %t174)
-  call void @finch.parser.fail(ptr %t173, %S.lexer.Token %t175, { ptr, i64, i64 } { ptr @.str.888, i64 33, i64 0 })
-  br label %endif1511
-endif1511:
-  %t176 = getelementptr inbounds %S.ast.Node, ptr %a168, i32 0, i32 9
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i32 0, i32 1
-  %t178 = load ptr, ptr %a1
-  %t179 = call %S.ast.Node @finch.parser.parseStatement(ptr %t178)
-  %t180 = load i64, ptr %t177
-  %t181 = add i64 %t180, 1
-  call void @finch_arr_reserve(ptr %t176, i64 %t181, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t182 = load ptr, ptr %t176
-  %t183 = getelementptr inbounds %S.ast.Node, ptr %t182, i64 %t180
-  store %S.ast.Node %t179, ptr %t183
-  store i64 %t181, ptr %t177
-  %t184 = load %S.ast.Node, ptr %a168
-  ret %S.ast.Node %t184
-endif1508:
-  %t185 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t185, ptr %a186
-  store { ptr, i64, i64 } { ptr @.str.889, i64 2, i64 0 }, ptr %a187
-  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
-  %t189 = icmp ne i32 %t188, 0
-  br label %logic.from1512
-logic.from1512:
-  br i1 %t189, label %logic.end1514, label %logic.rhs1513
-logic.rhs1513:
-  %t190 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t190, ptr %a191
-  store { ptr, i64, i64 } { ptr @.str.890, i64 6, i64 0 }, ptr %a192
-  %t193 = call i32 @finch_str_eq(ptr %a191, ptr %a192)
-  %t194 = icmp ne i32 %t193, 0
-  br label %logic.rend1515
-logic.rend1515:
-  br label %logic.end1514
-logic.end1514:
-  %t195 = phi i1 [ true, %logic.from1512 ], [ %t194, %logic.rend1515 ]
-  br label %logic.from1516
-logic.from1516:
-  br i1 %t195, label %logic.end1518, label %logic.rhs1517
-logic.rhs1517:
-  %t196 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t196, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.891, i64 6, i64 0 }, ptr %a198
-  %t199 = call i32 @finch_str_eq(ptr %a197, ptr %a198)
-  %t200 = icmp ne i32 %t199, 0
-  br label %logic.rend1519
-logic.rend1519:
-  br label %logic.end1518
-logic.end1518:
-  %t201 = phi i1 [ true, %logic.from1516 ], [ %t200, %logic.rend1519 ]
-  br label %logic.from1520
-logic.from1520:
-  br i1 %t201, label %logic.end1522, label %logic.rhs1521
-logic.rhs1521:
+  %t175 = call %S.ast.Node @finch.parser.parseBlock(ptr %t174)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t175
+endif1566:
+  %t176 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t176, ptr %a177
+  store { ptr, i64, i64 } { ptr @.str.894, i64 5, i64 0 }, ptr %a178
+  %t179 = call i32 @finch_str_eq(ptr %a177, ptr %a178)
+  %t180 = icmp ne i32 %t179, 0
+  br i1 %t180, label %then1567, label %endif1569
+then1567:
+  %t181 = load ptr, ptr %a1
+  %t182 = call %S.ast.Node @finch.parser.node(ptr %t181, { ptr, i64, i64 } { ptr @.str.895, i64 5, i64 0 })
+  store %S.ast.Node %t182, ptr %a183
+  %t184 = load ptr, ptr %a1
+  %t185 = call %S.lexer.Token @finch.parser.next(ptr %t184)
+  store %S.lexer.Token %t185, ptr %a186
+  call void @finch.drop.S_lexer_Token(ptr %a186)
+  %t187 = load ptr, ptr %a1
+  %t188 = call i1 @finch.parser.at(ptr %t187, { ptr, i64, i64 } { ptr @.str.896, i64 5, i64 0 })
+  br i1 %t188, label %then1570, label %endif1572
+then1570:
+  %t189 = load ptr, ptr %a1
+  %t190 = load ptr, ptr %a1
+  %t191 = call %S.lexer.Token @finch.parser.cur(ptr %t190)
+  call void @finch.parser.fail(ptr %t189, %S.lexer.Token %t191, { ptr, i64, i64 } { ptr @.str.897, i64 33, i64 0 })
+  store %S.lexer.Token %t191, ptr %a192
+  call void @finch.drop.S_lexer_Token(ptr %a192)
+  br label %endif1572
+endif1572:
+  %t193 = getelementptr inbounds %S.ast.Node, ptr %a183, i32 0, i32 9
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %t193, i32 0, i32 1
+  %t195 = load ptr, ptr %a1
+  %t196 = call %S.ast.Node @finch.parser.parseStatement(ptr %t195)
+  %t197 = load i64, ptr %t194
+  %t198 = add i64 %t197, 1
+  call void @finch_arr_reserve(ptr %t193, i64 %t198, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t199 = load ptr, ptr %t193
+  %t200 = getelementptr inbounds %S.ast.Node, ptr %t199, i64 %t197
+  store %S.ast.Node %t196, ptr %t200
+  store i64 %t198, ptr %t194
+  %t201 = load %S.ast.Node, ptr %a183
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t201
+endif1569:
   %t202 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t202, ptr %a203
-  store { ptr, i64, i64 } { ptr @.str.892, i64 4, i64 0 }, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.898, i64 2, i64 0 }, ptr %a204
   %t205 = call i32 @finch_str_eq(ptr %a203, ptr %a204)
   %t206 = icmp ne i32 %t205, 0
-  br label %logic.rend1523
-logic.rend1523:
-  br label %logic.end1522
-logic.end1522:
-  %t207 = phi i1 [ true, %logic.from1520 ], [ %t206, %logic.rend1523 ]
-  br i1 %t207, label %then1524, label %endif1526
-then1524:
-  %t208 = load ptr, ptr %a1
-  %t209 = load ptr, ptr %a1
-  %t210 = call %S.lexer.Token @finch.parser.cur(ptr %t209)
-  %t211 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.893, i64 1, i64 0 }, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  store { ptr, i64, i64 } %t215, ptr %a217
-  store { ptr, i64, i64 } { ptr @.str.894, i64 48, i64 0 }, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  call void @finch.parser.fail(ptr %t208, %S.lexer.Token %t210, { ptr, i64, i64 } %t219)
-  br label %endif1526
-endif1526:
-  %t220 = load ptr, ptr %a1
-  %t221 = call i1 @finch.parser.atDeclaration(ptr %t220)
-  br i1 %t221, label %then1527, label %endif1529
-then1527:
-  %t222 = load ptr, ptr %a1
-  %t223 = call %S.ast.Node @finch.parser.node(ptr %t222, { ptr, i64, i64 } { ptr @.str.895, i64 4, i64 0 })
-  store %S.ast.Node %t223, ptr %a224
-  %t225 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 6
-  store i1 true, ptr %t225
-  %t226 = load ptr, ptr %a1
-  %t227 = call %S.ast.Type @finch.parser.parseType(ptr %t226)
-  %t228 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 5
-  store %S.ast.Type %t227, ptr %t228
-  %t229 = load ptr, ptr %a1
-  %t230 = call %S.lexer.Token @finch.parser.expect(ptr %t229, { ptr, i64, i64 } { ptr @.str.896, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.897, i64 15, i64 0 })
-  %t231 = extractvalue %S.lexer.Token %t230, 1
-  store { ptr, i64, i64 } %t231, ptr %a232
-  call void @finch_str_copy(ptr %a233, ptr %a232)
-  %t234 = load { ptr, i64, i64 }, ptr %a233
-  %t235 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 1
-  store { ptr, i64, i64 } %t234, ptr %t235
-  %t236 = load ptr, ptr %a1
-  %t237 = call i1 @finch.parser.accept(ptr %t236, { ptr, i64, i64 } { ptr @.str.898, i64 1, i64 0 })
-  br i1 %t237, label %then1530, label %endif1532
-then1530:
-  %t238 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 9
-  %t239 = getelementptr inbounds { ptr, i64, i64 }, ptr %t238, i32 0, i32 1
-  %t240 = load ptr, ptr %a1
-  %t241 = call %S.ast.Node @finch.parser.parseExpr(ptr %t240)
-  %t242 = load i64, ptr %t239
-  %t243 = add i64 %t242, 1
-  call void @finch_arr_reserve(ptr %t238, i64 %t243, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t244 = load ptr, ptr %t238
-  %t245 = getelementptr inbounds %S.ast.Node, ptr %t244, i64 %t242
-  store %S.ast.Node %t241, ptr %t245
-  store i64 %t243, ptr %t239
-  br label %endif1532
-endif1532:
-  %t246 = load %S.ast.Node, ptr %a224
-  ret %S.ast.Node %t246
-endif1529:
-  %t247 = load ptr, ptr %a1
-  %t248 = call i1 @finch.parser.at(ptr %t247, { ptr, i64, i64 } { ptr @.str.899, i64 5, i64 0 })
-  br label %logic.from1533
-logic.from1533:
-  br i1 %t248, label %logic.rhs1534, label %logic.end1535
-logic.rhs1534:
-  %t249 = load ptr, ptr %a1
-  %t250 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t249, i64 1)
-  store { ptr, i64, i64 } %t250, ptr %a251
-  store { ptr, i64, i64 } { ptr @.str.900, i64 2, i64 0 }, ptr %a252
-  %t253 = call i32 @finch_str_eq(ptr %a251, ptr %a252)
-  %t254 = icmp ne i32 %t253, 0
-  br label %logic.rend1536
-logic.rend1536:
-  br label %logic.end1535
-logic.end1535:
-  %t255 = phi i1 [ false, %logic.from1533 ], [ %t254, %logic.rend1536 ]
-  br i1 %t255, label %then1537, label %endif1539
-then1537:
-  %t256 = load ptr, ptr %a1
-  %t257 = call %S.ast.Node @finch.parser.node(ptr %t256, { ptr, i64, i64 } { ptr @.str.901, i64 4, i64 0 })
-  store %S.ast.Node %t257, ptr %a258
-  %t259 = load ptr, ptr %a1
-  %t260 = call %S.lexer.Token @finch.parser.next(ptr %t259)
-  %t261 = extractvalue %S.lexer.Token %t260, 1
-  store { ptr, i64, i64 } %t261, ptr %a262
-  call void @finch_str_copy(ptr %a263, ptr %a262)
-  %t264 = load { ptr, i64, i64 }, ptr %a263
-  %t265 = getelementptr inbounds %S.ast.Node, ptr %a258, i32 0, i32 1
-  store { ptr, i64, i64 } %t264, ptr %t265
-  %t266 = load ptr, ptr %a1
-  %t267 = call %S.lexer.Token @finch.parser.next(ptr %t266)
-  %t268 = getelementptr inbounds %S.ast.Node, ptr %a258, i32 0, i32 9
-  %t269 = getelementptr inbounds { ptr, i64, i64 }, ptr %t268, i32 0, i32 1
-  %t270 = load ptr, ptr %a1
-  %t271 = call %S.ast.Node @finch.parser.parseExpr(ptr %t270)
-  %t272 = load i64, ptr %t269
-  %t273 = add i64 %t272, 1
-  call void @finch_arr_reserve(ptr %t268, i64 %t273, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t274 = load ptr, ptr %t268
-  %t275 = getelementptr inbounds %S.ast.Node, ptr %t274, i64 %t272
-  store %S.ast.Node %t271, ptr %t275
-  store i64 %t273, ptr %t269
-  %t276 = load %S.ast.Node, ptr %a258
-  ret %S.ast.Node %t276
-endif1539:
-  %t277 = load ptr, ptr %a1
-  %t278 = call %S.lexer.Token @finch.parser.cur(ptr %t277)
-  store %S.lexer.Token %t278, ptr %a279
-  %t280 = load ptr, ptr %a1
-  %t281 = call %S.ast.Node @finch.parser.parseExpr(ptr %t280)
-  store %S.ast.Node %t281, ptr %a282
-  %t283 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t284 = call ptr @finch_alloc(i64 %t283)
-  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 0
-  store { ptr, i64, i64 } { ptr @.str.902, i64 1, i64 0 }, ptr %t285
-  %t286 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 1
-  store { ptr, i64, i64 } { ptr @.str.903, i64 2, i64 0 }, ptr %t286
-  %t287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 2
-  store { ptr, i64, i64 } { ptr @.str.904, i64 2, i64 0 }, ptr %t287
-  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 3
-  store { ptr, i64, i64 } { ptr @.str.905, i64 2, i64 0 }, ptr %t288
-  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 4
-  store { ptr, i64, i64 } { ptr @.str.906, i64 2, i64 0 }, ptr %t289
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 5
-  store { ptr, i64, i64 } { ptr @.str.907, i64 2, i64 0 }, ptr %t290
-  %t291 = insertvalue { ptr, i64, i64 } undef, ptr %t284, 0
-  %t292 = insertvalue { ptr, i64, i64 } %t291, i64 6, 1
-  %t293 = insertvalue { ptr, i64, i64 } %t292, i64 6, 2
-  store { ptr, i64, i64 } %t293, ptr %a294
-  %t295 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
-  %t296 = load ptr, ptr %a1
-  %t297 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t296)
-  store i64 -1, ptr %a298
-  %t299 = load i64, ptr %t295
-  %t300 = load ptr, ptr %a294
-  store i64 0, ptr %a301
-  br label %find.cond1540
-find.cond1540:
-  %t302 = load i64, ptr %a301
-  %t303 = icmp slt i64 %t302, %t299
-  br i1 %t303, label %find.body1541, label %find.end1544
-find.body1541:
-  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %t300, i64 %t302
-  %t305 = load { ptr, i64, i64 }, ptr %t304
-  store { ptr, i64, i64 } %t305, ptr %a306
-  store { ptr, i64, i64 } %t297, ptr %a307
-  %t308 = call i32 @finch_str_eq(ptr %a306, ptr %a307)
-  %t309 = icmp ne i32 %t308, 0
-  br i1 %t309, label %find.hit1542, label %find.next1543
-find.hit1542:
-  store i64 %t302, ptr %a298
-  br label %find.end1544
-find.next1543:
-  %t310 = add i64 %t302, 1
-  store i64 %t310, ptr %a301
-  br label %find.cond1540
-find.end1544:
-  %t311 = load i64, ptr %a298
-  %t312 = icmp sge i64 %t311, 0
-  br label %logic.from1545
-logic.from1545:
-  br i1 %t312, label %logic.rhs1546, label %logic.end1547
-logic.rhs1546:
-  %t313 = load ptr, ptr %a1
-  %t314 = call i1 @finch.parser.sameLine(ptr %t313)
-  br label %logic.rend1548
-logic.rend1548:
-  br label %logic.end1547
-logic.end1547:
-  %t315 = phi i1 [ false, %logic.from1545 ], [ %t314, %logic.rend1548 ]
-  br i1 %t315, label %then1549, label %endif1551
-then1549:
-  %t316 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t317 = load { ptr, i64, i64 }, ptr %t316
-  store { ptr, i64, i64 } %t317, ptr %a318
-  store { ptr, i64, i64 } { ptr @.str.908, i64 3, i64 0 }, ptr %a319
-  %t320 = call i32 @finch_str_eq(ptr %a318, ptr %a319)
-  %t321 = icmp eq i32 %t320, 0
-  br label %logic.from1552
-logic.from1552:
-  br i1 %t321, label %logic.rhs1553, label %logic.end1554
-logic.rhs1553:
-  %t322 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t323 = load { ptr, i64, i64 }, ptr %t322
-  store { ptr, i64, i64 } %t323, ptr %a324
-  store { ptr, i64, i64 } { ptr @.str.909, i64 6, i64 0 }, ptr %a325
-  %t326 = call i32 @finch_str_eq(ptr %a324, ptr %a325)
-  %t327 = icmp eq i32 %t326, 0
-  br label %logic.rend1555
-logic.rend1555:
-  br label %logic.end1554
-logic.end1554:
-  %t328 = phi i1 [ false, %logic.from1552 ], [ %t327, %logic.rend1555 ]
-  br label %logic.from1556
-logic.from1556:
-  br i1 %t328, label %logic.rhs1557, label %logic.end1558
-logic.rhs1557:
-  %t329 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store { ptr, i64, i64 } %t330, ptr %a331
-  store { ptr, i64, i64 } { ptr @.str.910, i64 5, i64 0 }, ptr %a332
-  %t333 = call i32 @finch_str_eq(ptr %a331, ptr %a332)
-  %t334 = icmp eq i32 %t333, 0
-  br label %logic.rend1559
-logic.rend1559:
-  br label %logic.end1558
-logic.end1558:
-  %t335 = phi i1 [ false, %logic.from1556 ], [ %t334, %logic.rend1559 ]
-  br i1 %t335, label %then1560, label %endif1562
-then1560:
-  %t336 = load ptr, ptr %a1
-  %t337 = load %S.lexer.Token, ptr %a279
-  call void @finch.parser.fail(ptr %t336, %S.lexer.Token %t337, { ptr, i64, i64 } { ptr @.str.911, i64 66, i64 0 })
-  br label %endif1562
-endif1562:
-  %t338 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.912, i64 6, i64 0 }, 0
-  %t339 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 2
-  %t340 = load i64, ptr %t339
-  %t341 = insertvalue %S.ast.Node %t338, i64 %t340, 11
-  %t342 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 3
-  %t343 = load i64, ptr %t342
-  %t344 = insertvalue %S.ast.Node %t341, i64 %t343, 12
-  %t345 = load ptr, ptr %a1
-  %t346 = icmp eq ptr %t345, null
-  br i1 %t346, label %panic1563, label %ok1564
-panic1563:
-  call void @finch_panic(ptr @.str.913, i64 536, ptr @.str.914)
-  unreachable
-ok1564:
-  %t347 = getelementptr inbounds %S.parser.Parser, ptr %t345, i32 0, i32 3
-  %t348 = load i64, ptr %t347
-  %t349 = insertvalue %S.ast.Node %t344, i64 %t348, 13
-  store %S.ast.Node %t349, ptr %a350
-  %t351 = load ptr, ptr %a1
-  %t352 = call %S.lexer.Token @finch.parser.next(ptr %t351)
-  %t353 = extractvalue %S.lexer.Token %t352, 0
-  store { ptr, i64, i64 } %t353, ptr %a354
-  call void @finch_str_copy(ptr %a355, ptr %a354)
-  %t356 = load { ptr, i64, i64 }, ptr %a355
-  %t357 = getelementptr inbounds %S.ast.Node, ptr %a350, i32 0, i32 1
-  store { ptr, i64, i64 } %t356, ptr %t357
-  %t358 = getelementptr inbounds %S.ast.Node, ptr %a350, i32 0, i32 9
-  %t359 = getelementptr inbounds { ptr, i64, i64 }, ptr %t358, i32 0, i32 1
-  %t360 = load %S.ast.Node, ptr %a282
-  store %S.ast.Node %t360, ptr %a361
-  call void @finch.copy.S_ast_Node(ptr %a362, ptr %a361)
-  %t363 = load %S.ast.Node, ptr %a362
-  %t364 = load i64, ptr %t359
-  %t365 = add i64 %t364, 1
-  call void @finch_arr_reserve(ptr %t358, i64 %t365, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t366 = load ptr, ptr %t358
-  %t367 = getelementptr inbounds %S.ast.Node, ptr %t366, i64 %t364
-  store %S.ast.Node %t363, ptr %t367
-  store i64 %t365, ptr %t359
-  %t368 = getelementptr inbounds %S.ast.Node, ptr %a350, i32 0, i32 9
-  %t369 = getelementptr inbounds { ptr, i64, i64 }, ptr %t368, i32 0, i32 1
-  %t370 = load ptr, ptr %a1
-  %t371 = call %S.ast.Node @finch.parser.parseExpr(ptr %t370)
-  %t372 = load i64, ptr %t369
-  %t373 = add i64 %t372, 1
-  call void @finch_arr_reserve(ptr %t368, i64 %t373, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t374 = load ptr, ptr %t368
-  %t375 = getelementptr inbounds %S.ast.Node, ptr %t374, i64 %t372
-  store %S.ast.Node %t371, ptr %t375
-  store i64 %t373, ptr %t369
-  %t376 = load %S.ast.Node, ptr %a350
-  ret %S.ast.Node %t376
-endif1551:
-  %t377 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t378 = load { ptr, i64, i64 }, ptr %t377
-  store { ptr, i64, i64 } %t378, ptr %a379
-  store { ptr, i64, i64 } { ptr @.str.915, i64 4, i64 0 }, ptr %a380
-  %t381 = call i32 @finch_str_eq(ptr %a379, ptr %a380)
-  %t382 = icmp eq i32 %t381, 0
-  br label %logic.from1565
-logic.from1565:
-  br i1 %t382, label %logic.rhs1566, label %logic.end1567
-logic.rhs1566:
-  %t383 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t384 = load { ptr, i64, i64 }, ptr %t383
-  store { ptr, i64, i64 } %t384, ptr %a385
-  store { ptr, i64, i64 } { ptr @.str.916, i64 6, i64 0 }, ptr %a386
-  %t387 = call i32 @finch_str_eq(ptr %a385, ptr %a386)
-  %t388 = icmp eq i32 %t387, 0
-  br label %logic.rend1568
-logic.rend1568:
-  br label %logic.end1567
-logic.end1567:
-  %t389 = phi i1 [ false, %logic.from1565 ], [ %t388, %logic.rend1568 ]
-  br label %logic.from1569
-logic.from1569:
-  br i1 %t389, label %logic.rhs1570, label %logic.end1571
-logic.rhs1570:
-  %t390 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t391 = load { ptr, i64, i64 }, ptr %t390
-  store { ptr, i64, i64 } %t391, ptr %a392
-  store { ptr, i64, i64 } { ptr @.str.917, i64 3, i64 0 }, ptr %a393
-  %t394 = call i32 @finch_str_eq(ptr %a392, ptr %a393)
-  %t395 = icmp eq i32 %t394, 0
-  br label %logic.rend1572
-logic.rend1572:
-  br label %logic.end1571
-logic.end1571:
-  %t396 = phi i1 [ false, %logic.from1569 ], [ %t395, %logic.rend1572 ]
   br label %logic.from1573
 logic.from1573:
-  br i1 %t396, label %logic.rhs1574, label %logic.end1575
+  br i1 %t206, label %logic.end1575, label %logic.rhs1574
 logic.rhs1574:
-  %t397 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t398 = load { ptr, i64, i64 }, ptr %t397
-  store { ptr, i64, i64 } %t398, ptr %a399
-  store { ptr, i64, i64 } { ptr @.str.918, i64 2, i64 0 }, ptr %a400
-  %t401 = call i32 @finch_str_eq(ptr %a399, ptr %a400)
-  %t402 = icmp eq i32 %t401, 0
+  %t207 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t207, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.899, i64 6, i64 0 }, ptr %a209
+  %t210 = call i32 @finch_str_eq(ptr %a208, ptr %a209)
+  %t211 = icmp ne i32 %t210, 0
   br label %logic.rend1576
 logic.rend1576:
   br label %logic.end1575
 logic.end1575:
-  %t403 = phi i1 [ false, %logic.from1573 ], [ %t402, %logic.rend1576 ]
-  br i1 %t403, label %then1577, label %endif1579
-then1577:
-  %t404 = load ptr, ptr %a1
-  %t405 = load %S.lexer.Token, ptr %a279
-  call void @finch.parser.fail(ptr %t404, %S.lexer.Token %t405, { ptr, i64, i64 } { ptr @.str.919, i64 37, i64 0 })
-  br label %endif1579
-endif1579:
-  %t406 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.920, i64 4, i64 0 }, 0
-  %t407 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 2
-  %t408 = load i64, ptr %t407
-  %t409 = insertvalue %S.ast.Node %t406, i64 %t408, 11
-  %t410 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 3
-  %t411 = load i64, ptr %t410
-  %t412 = insertvalue %S.ast.Node %t409, i64 %t411, 12
-  %t413 = load ptr, ptr %a1
-  %t414 = icmp eq ptr %t413, null
-  br i1 %t414, label %panic1580, label %ok1581
-panic1580:
-  call void @finch_panic(ptr @.str.921, i64 545, ptr @.str.922)
+  %t212 = phi i1 [ true, %logic.from1573 ], [ %t211, %logic.rend1576 ]
+  br label %logic.from1577
+logic.from1577:
+  br i1 %t212, label %logic.end1579, label %logic.rhs1578
+logic.rhs1578:
+  %t213 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.900, i64 6, i64 0 }, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br label %logic.rend1580
+logic.rend1580:
+  br label %logic.end1579
+logic.end1579:
+  %t218 = phi i1 [ true, %logic.from1577 ], [ %t217, %logic.rend1580 ]
+  br label %logic.from1581
+logic.from1581:
+  br i1 %t218, label %logic.end1583, label %logic.rhs1582
+logic.rhs1582:
+  %t219 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t219, ptr %a220
+  store { ptr, i64, i64 } { ptr @.str.901, i64 4, i64 0 }, ptr %a221
+  %t222 = call i32 @finch_str_eq(ptr %a220, ptr %a221)
+  %t223 = icmp ne i32 %t222, 0
+  br label %logic.rend1584
+logic.rend1584:
+  br label %logic.end1583
+logic.end1583:
+  %t224 = phi i1 [ true, %logic.from1581 ], [ %t223, %logic.rend1584 ]
+  br i1 %t224, label %then1585, label %endif1587
+then1585:
+  %t225 = load ptr, ptr %a1
+  %t226 = load ptr, ptr %a1
+  %t227 = call %S.lexer.Token @finch.parser.cur(ptr %t226)
+  %t228 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.902, i64 1, i64 0 }, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  %t232 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t232, ptr %a234
+  store { ptr, i64, i64 } { ptr @.str.903, i64 48, i64 0 }, ptr %a235
+  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
+  store { ptr, i64, i64 } %t232, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a233
+  call void @finch.parser.fail(ptr %t225, %S.lexer.Token %t227, { ptr, i64, i64 } %t237)
+  store %S.lexer.Token %t227, ptr %a238
+  call void @finch.drop.S_lexer_Token(ptr %a238)
+  store { ptr, i64, i64 } %t237, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  br label %endif1587
+endif1587:
+  %t240 = load ptr, ptr %a1
+  %t241 = call i1 @finch.parser.atDeclaration(ptr %t240)
+  br i1 %t241, label %then1588, label %endif1590
+then1588:
+  %t242 = load ptr, ptr %a1
+  %t243 = call %S.ast.Node @finch.parser.node(ptr %t242, { ptr, i64, i64 } { ptr @.str.904, i64 4, i64 0 })
+  store %S.ast.Node %t243, ptr %a244
+  %t245 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 6
+  store i1 true, ptr %t245
+  %t246 = load ptr, ptr %a1
+  %t247 = call %S.ast.Type @finch.parser.parseType(ptr %t246)
+  %t248 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 5
+  %t249 = load %S.ast.Type, ptr %t248
+  store %S.ast.Type %t247, ptr %t248
+  store %S.ast.Type %t249, ptr %a250
+  call void @finch.drop.S_ast_Type(ptr %a250)
+  %t251 = load ptr, ptr %a1
+  %t252 = call %S.lexer.Token @finch.parser.expect(ptr %t251, { ptr, i64, i64 } { ptr @.str.905, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.906, i64 15, i64 0 })
+  %t253 = extractvalue %S.lexer.Token %t252, 1
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_copy(ptr %a255, ptr %a254)
+  %t256 = load { ptr, i64, i64 }, ptr %a255
+  store %S.lexer.Token %t252, ptr %a257
+  call void @finch.drop.S_lexer_Token(ptr %a257)
+  %t258 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 1
+  %t259 = load { ptr, i64, i64 }, ptr %t258
+  store { ptr, i64, i64 } %t256, ptr %t258
+  store { ptr, i64, i64 } %t259, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load ptr, ptr %a1
+  %t262 = call i1 @finch.parser.accept(ptr %t261, { ptr, i64, i64 } { ptr @.str.907, i64 1, i64 0 })
+  br i1 %t262, label %then1591, label %endif1593
+then1591:
+  %t263 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 9
+  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
+  %t265 = load ptr, ptr %a1
+  %t266 = call %S.ast.Node @finch.parser.parseExpr(ptr %t265)
+  %t267 = load i64, ptr %t264
+  %t268 = add i64 %t267, 1
+  call void @finch_arr_reserve(ptr %t263, i64 %t268, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t269 = load ptr, ptr %t263
+  %t270 = getelementptr inbounds %S.ast.Node, ptr %t269, i64 %t267
+  store %S.ast.Node %t266, ptr %t270
+  store i64 %t268, ptr %t264
+  br label %endif1593
+endif1593:
+  %t271 = load %S.ast.Node, ptr %a244
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t271
+endif1590:
+  %t272 = load ptr, ptr %a1
+  %t273 = call i1 @finch.parser.at(ptr %t272, { ptr, i64, i64 } { ptr @.str.908, i64 5, i64 0 })
+  br label %logic.from1594
+logic.from1594:
+  br i1 %t273, label %logic.rhs1595, label %logic.end1596
+logic.rhs1595:
+  %t274 = load ptr, ptr %a1
+  %t275 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t274, i64 1)
+  store { ptr, i64, i64 } %t275, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.909, i64 2, i64 0 }, ptr %a277
+  %t278 = call i32 @finch_str_eq(ptr %a276, ptr %a277)
+  %t279 = icmp ne i32 %t278, 0
+  store { ptr, i64, i64 } %t275, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  br label %logic.rend1597
+logic.rend1597:
+  br label %logic.end1596
+logic.end1596:
+  %t281 = phi i1 [ false, %logic.from1594 ], [ %t279, %logic.rend1597 ]
+  br i1 %t281, label %then1598, label %endif1600
+then1598:
+  %t282 = load ptr, ptr %a1
+  %t283 = call %S.ast.Node @finch.parser.node(ptr %t282, { ptr, i64, i64 } { ptr @.str.910, i64 4, i64 0 })
+  store %S.ast.Node %t283, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = call %S.lexer.Token @finch.parser.next(ptr %t285)
+  %t287 = extractvalue %S.lexer.Token %t286, 1
+  store { ptr, i64, i64 } %t287, ptr %a288
+  call void @finch_str_copy(ptr %a289, ptr %a288)
+  %t290 = load { ptr, i64, i64 }, ptr %a289
+  store %S.lexer.Token %t286, ptr %a291
+  call void @finch.drop.S_lexer_Token(ptr %a291)
+  %t292 = getelementptr inbounds %S.ast.Node, ptr %a284, i32 0, i32 1
+  %t293 = load { ptr, i64, i64 }, ptr %t292
+  store { ptr, i64, i64 } %t290, ptr %t292
+  store { ptr, i64, i64 } %t293, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  %t295 = load ptr, ptr %a1
+  %t296 = call %S.lexer.Token @finch.parser.next(ptr %t295)
+  store %S.lexer.Token %t296, ptr %a297
+  call void @finch.drop.S_lexer_Token(ptr %a297)
+  %t298 = getelementptr inbounds %S.ast.Node, ptr %a284, i32 0, i32 9
+  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i32 0, i32 1
+  %t300 = load ptr, ptr %a1
+  %t301 = call %S.ast.Node @finch.parser.parseExpr(ptr %t300)
+  %t302 = load i64, ptr %t299
+  %t303 = add i64 %t302, 1
+  call void @finch_arr_reserve(ptr %t298, i64 %t303, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t304 = load ptr, ptr %t298
+  %t305 = getelementptr inbounds %S.ast.Node, ptr %t304, i64 %t302
+  store %S.ast.Node %t301, ptr %t305
+  store i64 %t303, ptr %t299
+  %t306 = load %S.ast.Node, ptr %a284
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t306
+endif1600:
+  %t307 = load ptr, ptr %a1
+  %t308 = call %S.lexer.Token @finch.parser.cur(ptr %t307)
+  store %S.lexer.Token %t308, ptr %a309
+  %t310 = load ptr, ptr %a1
+  %t311 = call %S.ast.Node @finch.parser.parseExpr(ptr %t310)
+  store %S.ast.Node %t311, ptr %a312
+  %t313 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t314 = call ptr @finch_alloc(i64 %t313)
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 0
+  store { ptr, i64, i64 } { ptr @.str.911, i64 1, i64 0 }, ptr %t315
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 1
+  store { ptr, i64, i64 } { ptr @.str.912, i64 2, i64 0 }, ptr %t316
+  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 2
+  store { ptr, i64, i64 } { ptr @.str.913, i64 2, i64 0 }, ptr %t317
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 3
+  store { ptr, i64, i64 } { ptr @.str.914, i64 2, i64 0 }, ptr %t318
+  %t319 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 4
+  store { ptr, i64, i64 } { ptr @.str.915, i64 2, i64 0 }, ptr %t319
+  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 5
+  store { ptr, i64, i64 } { ptr @.str.916, i64 2, i64 0 }, ptr %t320
+  %t321 = insertvalue { ptr, i64, i64 } undef, ptr %t314, 0
+  %t322 = insertvalue { ptr, i64, i64 } %t321, i64 6, 1
+  %t323 = insertvalue { ptr, i64, i64 } %t322, i64 6, 2
+  store { ptr, i64, i64 } %t323, ptr %a324
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a324, i32 0, i32 1
+  %t326 = load ptr, ptr %a1
+  %t327 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t326)
+  store i64 -1, ptr %a328
+  %t329 = load i64, ptr %t325
+  %t330 = load ptr, ptr %a324
+  store i64 0, ptr %a331
+  br label %find.cond1601
+find.cond1601:
+  %t332 = load i64, ptr %a331
+  %t333 = icmp slt i64 %t332, %t329
+  br i1 %t333, label %find.body1602, label %find.end1605
+find.body1602:
+  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t330, i64 %t332
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t335, ptr %a336
+  store { ptr, i64, i64 } %t327, ptr %a337
+  %t338 = call i32 @finch_str_eq(ptr %a336, ptr %a337)
+  %t339 = icmp ne i32 %t338, 0
+  br i1 %t339, label %find.hit1603, label %find.next1604
+find.hit1603:
+  store i64 %t332, ptr %a328
+  br label %find.end1605
+find.next1604:
+  %t340 = add i64 %t332, 1
+  store i64 %t340, ptr %a331
+  br label %find.cond1601
+find.end1605:
+  store { ptr, i64, i64 } %t327, ptr %a341
+  call void @finch_str_drop(ptr %a341)
+  %t342 = load i64, ptr %a328
+  %t343 = icmp sge i64 %t342, 0
+  br label %logic.from1606
+logic.from1606:
+  br i1 %t343, label %logic.rhs1607, label %logic.end1608
+logic.rhs1607:
+  %t344 = load ptr, ptr %a1
+  %t345 = call i1 @finch.parser.sameLine(ptr %t344)
+  br label %logic.rend1609
+logic.rend1609:
+  br label %logic.end1608
+logic.end1608:
+  %t346 = phi i1 [ false, %logic.from1606 ], [ %t345, %logic.rend1609 ]
+  br i1 %t346, label %then1610, label %endif1612
+then1610:
+  %t347 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t348 = load { ptr, i64, i64 }, ptr %t347
+  store { ptr, i64, i64 } %t348, ptr %a349
+  store { ptr, i64, i64 } { ptr @.str.917, i64 3, i64 0 }, ptr %a350
+  %t351 = call i32 @finch_str_eq(ptr %a349, ptr %a350)
+  %t352 = icmp eq i32 %t351, 0
+  br label %logic.from1613
+logic.from1613:
+  br i1 %t352, label %logic.rhs1614, label %logic.end1615
+logic.rhs1614:
+  %t353 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t354 = load { ptr, i64, i64 }, ptr %t353
+  store { ptr, i64, i64 } %t354, ptr %a355
+  store { ptr, i64, i64 } { ptr @.str.918, i64 6, i64 0 }, ptr %a356
+  %t357 = call i32 @finch_str_eq(ptr %a355, ptr %a356)
+  %t358 = icmp eq i32 %t357, 0
+  br label %logic.rend1616
+logic.rend1616:
+  br label %logic.end1615
+logic.end1615:
+  %t359 = phi i1 [ false, %logic.from1613 ], [ %t358, %logic.rend1616 ]
+  br label %logic.from1617
+logic.from1617:
+  br i1 %t359, label %logic.rhs1618, label %logic.end1619
+logic.rhs1618:
+  %t360 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t361 = load { ptr, i64, i64 }, ptr %t360
+  store { ptr, i64, i64 } %t361, ptr %a362
+  store { ptr, i64, i64 } { ptr @.str.919, i64 5, i64 0 }, ptr %a363
+  %t364 = call i32 @finch_str_eq(ptr %a362, ptr %a363)
+  %t365 = icmp eq i32 %t364, 0
+  br label %logic.rend1620
+logic.rend1620:
+  br label %logic.end1619
+logic.end1619:
+  %t366 = phi i1 [ false, %logic.from1617 ], [ %t365, %logic.rend1620 ]
+  br i1 %t366, label %then1621, label %endif1623
+then1621:
+  %t367 = load ptr, ptr %a1
+  %t368 = load %S.lexer.Token, ptr %a309
+  call void @finch.parser.fail(ptr %t367, %S.lexer.Token %t368, { ptr, i64, i64 } { ptr @.str.920, i64 66, i64 0 })
+  br label %endif1623
+endif1623:
+  %t369 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.921, i64 6, i64 0 }, 0
+  %t370 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 2
+  %t371 = load i64, ptr %t370
+  %t372 = insertvalue %S.ast.Node %t369, i64 %t371, 11
+  %t373 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 3
+  %t374 = load i64, ptr %t373
+  %t375 = insertvalue %S.ast.Node %t372, i64 %t374, 12
+  %t376 = load ptr, ptr %a1
+  %t377 = icmp eq ptr %t376, null
+  br i1 %t377, label %panic1624, label %ok1625
+panic1624:
+  call void @finch_panic(ptr @.str.922, i64 536, ptr @.str.923)
   unreachable
-ok1581:
-  %t415 = getelementptr inbounds %S.parser.Parser, ptr %t413, i32 0, i32 3
-  %t416 = load i64, ptr %t415
-  %t417 = insertvalue %S.ast.Node %t412, i64 %t416, 13
-  store %S.ast.Node %t417, ptr %a418
-  %t419 = getelementptr inbounds %S.ast.Node, ptr %a418, i32 0, i32 9
-  %t420 = getelementptr inbounds { ptr, i64, i64 }, ptr %t419, i32 0, i32 1
-  %t421 = load %S.ast.Node, ptr %a282
-  store %S.ast.Node %t421, ptr %a422
-  call void @finch.copy.S_ast_Node(ptr %a423, ptr %a422)
-  %t424 = load %S.ast.Node, ptr %a423
-  %t425 = load i64, ptr %t420
-  %t426 = add i64 %t425, 1
-  call void @finch_arr_reserve(ptr %t419, i64 %t426, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t427 = load ptr, ptr %t419
-  %t428 = getelementptr inbounds %S.ast.Node, ptr %t427, i64 %t425
-  store %S.ast.Node %t424, ptr %t428
-  store i64 %t426, ptr %t420
-  %t429 = load %S.ast.Node, ptr %a418
-  store %S.ast.Node %t429, ptr %a430
-  call void @finch.copy.S_ast_Node(ptr %a431, ptr %a430)
-  %t432 = load %S.ast.Node, ptr %a431
-  ret %S.ast.Node %t432
+ok1625:
+  %t378 = getelementptr inbounds %S.parser.Parser, ptr %t376, i32 0, i32 3
+  %t379 = load i64, ptr %t378
+  %t380 = insertvalue %S.ast.Node %t375, i64 %t379, 13
+  store %S.ast.Node %t380, ptr %a381
+  %t382 = load ptr, ptr %a1
+  %t383 = call %S.lexer.Token @finch.parser.next(ptr %t382)
+  %t384 = extractvalue %S.lexer.Token %t383, 0
+  store { ptr, i64, i64 } %t384, ptr %a385
+  call void @finch_str_copy(ptr %a386, ptr %a385)
+  %t387 = load { ptr, i64, i64 }, ptr %a386
+  store %S.lexer.Token %t383, ptr %a388
+  call void @finch.drop.S_lexer_Token(ptr %a388)
+  %t389 = getelementptr inbounds %S.ast.Node, ptr %a381, i32 0, i32 1
+  %t390 = load { ptr, i64, i64 }, ptr %t389
+  store { ptr, i64, i64 } %t387, ptr %t389
+  store { ptr, i64, i64 } %t390, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = getelementptr inbounds %S.ast.Node, ptr %a381, i32 0, i32 9
+  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t392, i32 0, i32 1
+  %t394 = load %S.ast.Node, ptr %a312
+  store %S.ast.Node %t394, ptr %a395
+  call void @finch.copy.S_ast_Node(ptr %a396, ptr %a395)
+  %t397 = load %S.ast.Node, ptr %a396
+  %t398 = load i64, ptr %t393
+  %t399 = add i64 %t398, 1
+  call void @finch_arr_reserve(ptr %t392, i64 %t399, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t400 = load ptr, ptr %t392
+  %t401 = getelementptr inbounds %S.ast.Node, ptr %t400, i64 %t398
+  store %S.ast.Node %t397, ptr %t401
+  store i64 %t399, ptr %t393
+  %t402 = getelementptr inbounds %S.ast.Node, ptr %a381, i32 0, i32 9
+  %t403 = getelementptr inbounds { ptr, i64, i64 }, ptr %t402, i32 0, i32 1
+  %t404 = load ptr, ptr %a1
+  %t405 = call %S.ast.Node @finch.parser.parseExpr(ptr %t404)
+  %t406 = load i64, ptr %t403
+  %t407 = add i64 %t406, 1
+  call void @finch_arr_reserve(ptr %t402, i64 %t407, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t408 = load ptr, ptr %t402
+  %t409 = getelementptr inbounds %S.ast.Node, ptr %t408, i64 %t406
+  store %S.ast.Node %t405, ptr %t409
+  store i64 %t407, ptr %t403
+  %t410 = load %S.ast.Node, ptr %a381
+  call void @finch.drop.arr_str(ptr %a324)
+  call void @finch.drop.S_ast_Node(ptr %a312)
+  call void @finch.drop.S_lexer_Token(ptr %a309)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t410
+endif1612:
+  %t411 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t412 = load { ptr, i64, i64 }, ptr %t411
+  store { ptr, i64, i64 } %t412, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.924, i64 4, i64 0 }, ptr %a414
+  %t415 = call i32 @finch_str_eq(ptr %a413, ptr %a414)
+  %t416 = icmp eq i32 %t415, 0
+  br label %logic.from1626
+logic.from1626:
+  br i1 %t416, label %logic.rhs1627, label %logic.end1628
+logic.rhs1627:
+  %t417 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t418 = load { ptr, i64, i64 }, ptr %t417
+  store { ptr, i64, i64 } %t418, ptr %a419
+  store { ptr, i64, i64 } { ptr @.str.925, i64 6, i64 0 }, ptr %a420
+  %t421 = call i32 @finch_str_eq(ptr %a419, ptr %a420)
+  %t422 = icmp eq i32 %t421, 0
+  br label %logic.rend1629
+logic.rend1629:
+  br label %logic.end1628
+logic.end1628:
+  %t423 = phi i1 [ false, %logic.from1626 ], [ %t422, %logic.rend1629 ]
+  br label %logic.from1630
+logic.from1630:
+  br i1 %t423, label %logic.rhs1631, label %logic.end1632
+logic.rhs1631:
+  %t424 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t425 = load { ptr, i64, i64 }, ptr %t424
+  store { ptr, i64, i64 } %t425, ptr %a426
+  store { ptr, i64, i64 } { ptr @.str.926, i64 3, i64 0 }, ptr %a427
+  %t428 = call i32 @finch_str_eq(ptr %a426, ptr %a427)
+  %t429 = icmp eq i32 %t428, 0
+  br label %logic.rend1633
+logic.rend1633:
+  br label %logic.end1632
+logic.end1632:
+  %t430 = phi i1 [ false, %logic.from1630 ], [ %t429, %logic.rend1633 ]
+  br label %logic.from1634
+logic.from1634:
+  br i1 %t430, label %logic.rhs1635, label %logic.end1636
+logic.rhs1635:
+  %t431 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t432 = load { ptr, i64, i64 }, ptr %t431
+  store { ptr, i64, i64 } %t432, ptr %a433
+  store { ptr, i64, i64 } { ptr @.str.927, i64 2, i64 0 }, ptr %a434
+  %t435 = call i32 @finch_str_eq(ptr %a433, ptr %a434)
+  %t436 = icmp eq i32 %t435, 0
+  br label %logic.rend1637
+logic.rend1637:
+  br label %logic.end1636
+logic.end1636:
+  %t437 = phi i1 [ false, %logic.from1634 ], [ %t436, %logic.rend1637 ]
+  br i1 %t437, label %then1638, label %endif1640
+then1638:
+  %t438 = load ptr, ptr %a1
+  %t439 = load %S.lexer.Token, ptr %a309
+  call void @finch.parser.fail(ptr %t438, %S.lexer.Token %t439, { ptr, i64, i64 } { ptr @.str.928, i64 37, i64 0 })
+  br label %endif1640
+endif1640:
+  %t440 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.929, i64 4, i64 0 }, 0
+  %t441 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 2
+  %t442 = load i64, ptr %t441
+  %t443 = insertvalue %S.ast.Node %t440, i64 %t442, 11
+  %t444 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 3
+  %t445 = load i64, ptr %t444
+  %t446 = insertvalue %S.ast.Node %t443, i64 %t445, 12
+  %t447 = load ptr, ptr %a1
+  %t448 = icmp eq ptr %t447, null
+  br i1 %t448, label %panic1641, label %ok1642
+panic1641:
+  call void @finch_panic(ptr @.str.930, i64 545, ptr @.str.931)
+  unreachable
+ok1642:
+  %t449 = getelementptr inbounds %S.parser.Parser, ptr %t447, i32 0, i32 3
+  %t450 = load i64, ptr %t449
+  %t451 = insertvalue %S.ast.Node %t446, i64 %t450, 13
+  store %S.ast.Node %t451, ptr %a452
+  %t453 = getelementptr inbounds %S.ast.Node, ptr %a452, i32 0, i32 9
+  %t454 = getelementptr inbounds { ptr, i64, i64 }, ptr %t453, i32 0, i32 1
+  %t455 = load %S.ast.Node, ptr %a312
+  store %S.ast.Node %t455, ptr %a456
+  call void @finch.copy.S_ast_Node(ptr %a457, ptr %a456)
+  %t458 = load %S.ast.Node, ptr %a457
+  %t459 = load i64, ptr %t454
+  %t460 = add i64 %t459, 1
+  call void @finch_arr_reserve(ptr %t453, i64 %t460, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t461 = load ptr, ptr %t453
+  %t462 = getelementptr inbounds %S.ast.Node, ptr %t461, i64 %t459
+  store %S.ast.Node %t458, ptr %t462
+  store i64 %t460, ptr %t454
+  %t463 = load %S.ast.Node, ptr %a452
+  call void @finch.drop.arr_str(ptr %a324)
+  call void @finch.drop.S_ast_Node(ptr %a312)
+  call void @finch.drop.S_lexer_Token(ptr %a309)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t463
 }
 
 define internal %S.ast.Node @finch.parser.parseIf(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a44 = alloca %S.ast.Node, align 16
-  %a45 = alloca %S.ast.Node, align 16
+  %a7 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.923, i64 2, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.932, i64 2, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.924, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.925, i64 4, i64 0 })
-  %t7 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i32 0, i32 1
-  %t9 = load ptr, ptr %a1
-  %t10 = call %S.ast.Node @finch.parser.parseExpr(ptr %t9)
-  %t11 = load i64, ptr %t8
-  %t12 = add i64 %t11, 1
-  call void @finch_arr_reserve(ptr %t7, i64 %t12, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t13 = load ptr, ptr %t7
-  %t14 = getelementptr inbounds %S.ast.Node, ptr %t13, i64 %t11
-  store %S.ast.Node %t10, ptr %t14
-  store i64 %t12, ptr %t8
-  %t15 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i32 0, i32 1
-  %t17 = load ptr, ptr %a1
-  %t18 = call %S.ast.Node @finch.parser.parseBlock(ptr %t17)
-  %t19 = load i64, ptr %t16
-  %t20 = add i64 %t19, 1
-  call void @finch_arr_reserve(ptr %t15, i64 %t20, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t21 = load ptr, ptr %t15
-  %t22 = getelementptr inbounds %S.ast.Node, ptr %t21, i64 %t19
-  store %S.ast.Node %t18, ptr %t22
-  store i64 %t20, ptr %t16
-  %t23 = load ptr, ptr %a1
-  %t24 = call i1 @finch.parser.accept(ptr %t23, { ptr, i64, i64 } { ptr @.str.926, i64 4, i64 0 })
-  br i1 %t24, label %then1582, label %endif1584
-then1582:
-  %t25 = load ptr, ptr %a1
-  %t26 = call i1 @finch.parser.at(ptr %t25, { ptr, i64, i64 } { ptr @.str.927, i64 2, i64 0 })
-  br i1 %t26, label %then1585, label %else1586
-then1585:
-  %t27 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i32 0, i32 1
-  %t29 = load ptr, ptr %a1
-  %t30 = call %S.ast.Node @finch.parser.parseIf(ptr %t29)
-  %t31 = load i64, ptr %t28
-  %t32 = add i64 %t31, 1
-  call void @finch_arr_reserve(ptr %t27, i64 %t32, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t33 = load ptr, ptr %t27
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 %t31
-  store %S.ast.Node %t30, ptr %t34
-  store i64 %t32, ptr %t28
-  br label %endif1587
-else1586:
-  %t35 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i32 0, i32 1
-  %t37 = load ptr, ptr %a1
-  %t38 = call %S.ast.Node @finch.parser.parseBlock(ptr %t37)
-  %t39 = load i64, ptr %t36
-  %t40 = add i64 %t39, 1
-  call void @finch_arr_reserve(ptr %t35, i64 %t40, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t41 = load ptr, ptr %t35
-  %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i64 %t39
-  store %S.ast.Node %t38, ptr %t42
-  store i64 %t40, ptr %t36
-  br label %endif1587
-endif1587:
-  br label %endif1584
-endif1584:
-  %t43 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t43, ptr %a44
-  call void @finch.copy.S_ast_Node(ptr %a45, ptr %a44)
-  %t46 = load %S.ast.Node, ptr %a45
-  ret %S.ast.Node %t46
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.933, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.934, i64 4, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
+  %t10 = load ptr, ptr %a1
+  %t11 = call %S.ast.Node @finch.parser.parseExpr(ptr %t10)
+  %t12 = load i64, ptr %t9
+  %t13 = add i64 %t12, 1
+  call void @finch_arr_reserve(ptr %t8, i64 %t13, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t14 = load ptr, ptr %t8
+  %t15 = getelementptr inbounds %S.ast.Node, ptr %t14, i64 %t12
+  store %S.ast.Node %t11, ptr %t15
+  store i64 %t13, ptr %t9
+  %t16 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
+  %t18 = load ptr, ptr %a1
+  %t19 = call %S.ast.Node @finch.parser.parseBlock(ptr %t18)
+  %t20 = load i64, ptr %t17
+  %t21 = add i64 %t20, 1
+  call void @finch_arr_reserve(ptr %t16, i64 %t21, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t22 = load ptr, ptr %t16
+  %t23 = getelementptr inbounds %S.ast.Node, ptr %t22, i64 %t20
+  store %S.ast.Node %t19, ptr %t23
+  store i64 %t21, ptr %t17
+  %t24 = load ptr, ptr %a1
+  %t25 = call i1 @finch.parser.accept(ptr %t24, { ptr, i64, i64 } { ptr @.str.935, i64 4, i64 0 })
+  br i1 %t25, label %then1643, label %endif1645
+then1643:
+  %t26 = load ptr, ptr %a1
+  %t27 = call i1 @finch.parser.at(ptr %t26, { ptr, i64, i64 } { ptr @.str.936, i64 2, i64 0 })
+  br i1 %t27, label %then1646, label %else1647
+then1646:
+  %t28 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i32 0, i32 1
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.ast.Node @finch.parser.parseIf(ptr %t30)
+  %t32 = load i64, ptr %t29
+  %t33 = add i64 %t32, 1
+  call void @finch_arr_reserve(ptr %t28, i64 %t33, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t34 = load ptr, ptr %t28
+  %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 %t32
+  store %S.ast.Node %t31, ptr %t35
+  store i64 %t33, ptr %t29
+  br label %endif1648
+else1647:
+  %t36 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
+  %t38 = load ptr, ptr %a1
+  %t39 = call %S.ast.Node @finch.parser.parseBlock(ptr %t38)
+  %t40 = load i64, ptr %t37
+  %t41 = add i64 %t40, 1
+  call void @finch_arr_reserve(ptr %t36, i64 %t41, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t42 = load ptr, ptr %t36
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t40
+  store %S.ast.Node %t39, ptr %t43
+  store i64 %t41, ptr %t37
+  br label %endif1648
+endif1648:
+  br label %endif1645
+endif1645:
+  %t44 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t44
 }
 
 define internal i64 @finch.parser.binaryLevel({ ptr, i64, i64 } %p0) {
@@ -17496,231 +19540,231 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.928, i64 2, i64 0 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.937, i64 2, i64 0 }, ptr %a4
   %t5 = call i32 @finch_str_eq(ptr %a3, ptr %a4)
   %t6 = icmp ne i32 %t5, 0
-  br i1 %t6, label %then1588, label %endif1590
-then1588:
+  br i1 %t6, label %then1649, label %endif1651
+then1649:
   ret i64 1
-endif1590:
+endif1651:
   %t7 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.929, i64 2, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.938, i64 2, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then1591, label %endif1593
-then1591:
+  br i1 %t11, label %then1652, label %endif1654
+then1652:
   ret i64 2
-endif1593:
+endif1654:
   %t12 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.930, i64 2, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.939, i64 2, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from1594
-logic.from1594:
-  br i1 %t16, label %logic.end1596, label %logic.rhs1595
-logic.rhs1595:
+  br label %logic.from1655
+logic.from1655:
+  br i1 %t16, label %logic.end1657, label %logic.rhs1656
+logic.rhs1656:
   %t17 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.931, i64 2, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.940, i64 2, i64 0 }, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp ne i32 %t20, 0
-  br label %logic.rend1597
-logic.rend1597:
-  br label %logic.end1596
-logic.end1596:
-  %t22 = phi i1 [ true, %logic.from1594 ], [ %t21, %logic.rend1597 ]
-  br label %logic.from1598
-logic.from1598:
-  br i1 %t22, label %logic.end1600, label %logic.rhs1599
-logic.rhs1599:
+  br label %logic.rend1658
+logic.rend1658:
+  br label %logic.end1657
+logic.end1657:
+  %t22 = phi i1 [ true, %logic.from1655 ], [ %t21, %logic.rend1658 ]
+  br label %logic.from1659
+logic.from1659:
+  br i1 %t22, label %logic.end1661, label %logic.rhs1660
+logic.rhs1660:
   %t23 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t23, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.932, i64 1, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.941, i64 1, i64 0 }, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.rend1601
-logic.rend1601:
-  br label %logic.end1600
-logic.end1600:
-  %t28 = phi i1 [ true, %logic.from1598 ], [ %t27, %logic.rend1601 ]
-  br label %logic.from1602
-logic.from1602:
-  br i1 %t28, label %logic.end1604, label %logic.rhs1603
-logic.rhs1603:
+  br label %logic.rend1662
+logic.rend1662:
+  br label %logic.end1661
+logic.end1661:
+  %t28 = phi i1 [ true, %logic.from1659 ], [ %t27, %logic.rend1662 ]
+  br label %logic.from1663
+logic.from1663:
+  br i1 %t28, label %logic.end1665, label %logic.rhs1664
+logic.rhs1664:
   %t29 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t29, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.933, i64 2, i64 0 }, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.942, i64 2, i64 0 }, ptr %a31
   %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
   %t33 = icmp ne i32 %t32, 0
-  br label %logic.rend1605
-logic.rend1605:
-  br label %logic.end1604
-logic.end1604:
-  %t34 = phi i1 [ true, %logic.from1602 ], [ %t33, %logic.rend1605 ]
-  br label %logic.from1606
-logic.from1606:
-  br i1 %t34, label %logic.end1608, label %logic.rhs1607
-logic.rhs1607:
+  br label %logic.rend1666
+logic.rend1666:
+  br label %logic.end1665
+logic.end1665:
+  %t34 = phi i1 [ true, %logic.from1663 ], [ %t33, %logic.rend1666 ]
+  br label %logic.from1667
+logic.from1667:
+  br i1 %t34, label %logic.end1669, label %logic.rhs1668
+logic.rhs1668:
   %t35 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.934, i64 1, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.943, i64 1, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.rend1609
-logic.rend1609:
-  br label %logic.end1608
-logic.end1608:
-  %t40 = phi i1 [ true, %logic.from1606 ], [ %t39, %logic.rend1609 ]
-  br label %logic.from1610
-logic.from1610:
-  br i1 %t40, label %logic.end1612, label %logic.rhs1611
-logic.rhs1611:
+  br label %logic.rend1670
+logic.rend1670:
+  br label %logic.end1669
+logic.end1669:
+  %t40 = phi i1 [ true, %logic.from1667 ], [ %t39, %logic.rend1670 ]
+  br label %logic.from1671
+logic.from1671:
+  br i1 %t40, label %logic.end1673, label %logic.rhs1672
+logic.rhs1672:
   %t41 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.935, i64 2, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.944, i64 2, i64 0 }, ptr %a43
   %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
   %t45 = icmp ne i32 %t44, 0
-  br label %logic.rend1613
-logic.rend1613:
-  br label %logic.end1612
-logic.end1612:
-  %t46 = phi i1 [ true, %logic.from1610 ], [ %t45, %logic.rend1613 ]
-  br i1 %t46, label %then1614, label %endif1616
-then1614:
+  br label %logic.rend1674
+logic.rend1674:
+  br label %logic.end1673
+logic.end1673:
+  %t46 = phi i1 [ true, %logic.from1671 ], [ %t45, %logic.rend1674 ]
+  br i1 %t46, label %then1675, label %endif1677
+then1675:
   ret i64 3
-endif1616:
+endif1677:
   %t47 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.936, i64 1, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.945, i64 1, i64 0 }, ptr %a49
   %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
   %t51 = icmp ne i32 %t50, 0
-  br label %logic.from1617
-logic.from1617:
-  br i1 %t51, label %logic.end1619, label %logic.rhs1618
-logic.rhs1618:
+  br label %logic.from1678
+logic.from1678:
+  br i1 %t51, label %logic.end1680, label %logic.rhs1679
+logic.rhs1679:
   %t52 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.937, i64 1, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.946, i64 1, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br label %logic.rend1620
-logic.rend1620:
-  br label %logic.end1619
-logic.end1619:
-  %t57 = phi i1 [ true, %logic.from1617 ], [ %t56, %logic.rend1620 ]
-  br label %logic.from1621
-logic.from1621:
-  br i1 %t57, label %logic.end1623, label %logic.rhs1622
-logic.rhs1622:
+  br label %logic.rend1681
+logic.rend1681:
+  br label %logic.end1680
+logic.end1680:
+  %t57 = phi i1 [ true, %logic.from1678 ], [ %t56, %logic.rend1681 ]
+  br label %logic.from1682
+logic.from1682:
+  br i1 %t57, label %logic.end1684, label %logic.rhs1683
+logic.rhs1683:
   %t58 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t58, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.938, i64 1, i64 0 }, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.947, i64 1, i64 0 }, ptr %a60
   %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
   %t62 = icmp ne i32 %t61, 0
-  br label %logic.rend1624
-logic.rend1624:
-  br label %logic.end1623
-logic.end1623:
-  %t63 = phi i1 [ true, %logic.from1621 ], [ %t62, %logic.rend1624 ]
-  br label %logic.from1625
-logic.from1625:
-  br i1 %t63, label %logic.end1627, label %logic.rhs1626
-logic.rhs1626:
+  br label %logic.rend1685
+logic.rend1685:
+  br label %logic.end1684
+logic.end1684:
+  %t63 = phi i1 [ true, %logic.from1682 ], [ %t62, %logic.rend1685 ]
+  br label %logic.from1686
+logic.from1686:
+  br i1 %t63, label %logic.end1688, label %logic.rhs1687
+logic.rhs1687:
   %t64 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t64, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.939, i64 1, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.948, i64 1, i64 0 }, ptr %a66
   %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
   %t68 = icmp ne i32 %t67, 0
-  br label %logic.rend1628
-logic.rend1628:
-  br label %logic.end1627
-logic.end1627:
-  %t69 = phi i1 [ true, %logic.from1625 ], [ %t68, %logic.rend1628 ]
-  br i1 %t69, label %then1629, label %endif1631
-then1629:
+  br label %logic.rend1689
+logic.rend1689:
+  br label %logic.end1688
+logic.end1688:
+  %t69 = phi i1 [ true, %logic.from1686 ], [ %t68, %logic.rend1689 ]
+  br i1 %t69, label %then1690, label %endif1692
+then1690:
   ret i64 4
-endif1631:
+endif1692:
   %t70 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t70, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.940, i64 1, i64 0 }, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.949, i64 1, i64 0 }, ptr %a72
   %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
   %t74 = icmp ne i32 %t73, 0
-  br label %logic.from1632
-logic.from1632:
-  br i1 %t74, label %logic.end1634, label %logic.rhs1633
-logic.rhs1633:
+  br label %logic.from1693
+logic.from1693:
+  br i1 %t74, label %logic.end1695, label %logic.rhs1694
+logic.rhs1694:
   %t75 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.941, i64 1, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.950, i64 1, i64 0 }, ptr %a77
   %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
   %t79 = icmp ne i32 %t78, 0
-  br label %logic.rend1635
-logic.rend1635:
-  br label %logic.end1634
-logic.end1634:
-  %t80 = phi i1 [ true, %logic.from1632 ], [ %t79, %logic.rend1635 ]
-  br label %logic.from1636
-logic.from1636:
-  br i1 %t80, label %logic.end1638, label %logic.rhs1637
-logic.rhs1637:
+  br label %logic.rend1696
+logic.rend1696:
+  br label %logic.end1695
+logic.end1695:
+  %t80 = phi i1 [ true, %logic.from1693 ], [ %t79, %logic.rend1696 ]
+  br label %logic.from1697
+logic.from1697:
+  br i1 %t80, label %logic.end1699, label %logic.rhs1698
+logic.rhs1698:
   %t81 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t81, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.942, i64 1, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.951, i64 1, i64 0 }, ptr %a83
   %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
   %t85 = icmp ne i32 %t84, 0
-  br label %logic.rend1639
-logic.rend1639:
-  br label %logic.end1638
-logic.end1638:
-  %t86 = phi i1 [ true, %logic.from1636 ], [ %t85, %logic.rend1639 ]
-  br label %logic.from1640
-logic.from1640:
-  br i1 %t86, label %logic.end1642, label %logic.rhs1641
-logic.rhs1641:
+  br label %logic.rend1700
+logic.rend1700:
+  br label %logic.end1699
+logic.end1699:
+  %t86 = phi i1 [ true, %logic.from1697 ], [ %t85, %logic.rend1700 ]
+  br label %logic.from1701
+logic.from1701:
+  br i1 %t86, label %logic.end1703, label %logic.rhs1702
+logic.rhs1702:
   %t87 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.943, i64 2, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.952, i64 2, i64 0 }, ptr %a89
   %t90 = call i32 @finch_str_eq(ptr %a88, ptr %a89)
   %t91 = icmp ne i32 %t90, 0
-  br label %logic.rend1643
-logic.rend1643:
-  br label %logic.end1642
-logic.end1642:
-  %t92 = phi i1 [ true, %logic.from1640 ], [ %t91, %logic.rend1643 ]
-  br label %logic.from1644
-logic.from1644:
-  br i1 %t92, label %logic.end1646, label %logic.rhs1645
-logic.rhs1645:
+  br label %logic.rend1704
+logic.rend1704:
+  br label %logic.end1703
+logic.end1703:
+  %t92 = phi i1 [ true, %logic.from1701 ], [ %t91, %logic.rend1704 ]
+  br label %logic.from1705
+logic.from1705:
+  br i1 %t92, label %logic.end1707, label %logic.rhs1706
+logic.rhs1706:
   %t93 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t93, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.944, i64 2, i64 0 }, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.953, i64 2, i64 0 }, ptr %a95
   %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
   %t97 = icmp ne i32 %t96, 0
-  br label %logic.rend1647
-logic.rend1647:
-  br label %logic.end1646
-logic.end1646:
-  %t98 = phi i1 [ true, %logic.from1644 ], [ %t97, %logic.rend1647 ]
-  br label %logic.from1648
-logic.from1648:
-  br i1 %t98, label %logic.end1650, label %logic.rhs1649
-logic.rhs1649:
+  br label %logic.rend1708
+logic.rend1708:
+  br label %logic.end1707
+logic.end1707:
+  %t98 = phi i1 [ true, %logic.from1705 ], [ %t97, %logic.rend1708 ]
+  br label %logic.from1709
+logic.from1709:
+  br i1 %t98, label %logic.end1711, label %logic.rhs1710
+logic.rhs1710:
   %t99 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t99, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.945, i64 1, i64 0 }, ptr %a101
+  store { ptr, i64, i64 } { ptr @.str.954, i64 1, i64 0 }, ptr %a101
   %t102 = call i32 @finch_str_eq(ptr %a100, ptr %a101)
   %t103 = icmp ne i32 %t102, 0
-  br label %logic.rend1651
-logic.rend1651:
-  br label %logic.end1650
-logic.end1650:
-  %t104 = phi i1 [ true, %logic.from1648 ], [ %t103, %logic.rend1651 ]
-  br i1 %t104, label %then1652, label %endif1654
-then1652:
+  br label %logic.rend1712
+logic.rend1712:
+  br label %logic.end1711
+logic.end1711:
+  %t104 = phi i1 [ true, %logic.from1709 ], [ %t103, %logic.rend1712 ]
+  br i1 %t104, label %then1713, label %endif1715
+then1713:
   ret i64 5
-endif1654:
+endif1715:
   ret i64 0
 }
 
@@ -17728,13 +19772,10 @@ define internal %S.ast.Node @finch.parser.parseExpr(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a13 = alloca %S.ast.Node, align 16
-  %a14 = alloca %S.ast.Node, align 16
-  %a18 = alloca %S.ast.Node, align 16
-  %a24 = alloca %S.ast.Node, align 16
-  %a25 = alloca %S.ast.Node, align 16
-  %a51 = alloca %S.ast.Node, align 16
-  %a52 = alloca %S.ast.Node, align 16
+  %a15 = alloca %S.ast.Node, align 16
+  %a18 = alloca %S.lexer.Token, align 16
+  %a22 = alloca %S.ast.Node, align 16
+  %a23 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call %S.ast.Node @finch.parser.parseBinary(ptr %t2, i64 1)
@@ -17742,81 +19783,78 @@ entry:
   %t5 = load ptr, ptr %a1
   %t6 = call i1 @finch.parser.sameLine(ptr %t5)
   %t7 = xor i1 %t6, true
-  br label %logic.from1655
-logic.from1655:
-  br i1 %t7, label %logic.end1657, label %logic.rhs1656
-logic.rhs1656:
+  br label %logic.from1716
+logic.from1716:
+  br i1 %t7, label %logic.end1718, label %logic.rhs1717
+logic.rhs1717:
   %t8 = load ptr, ptr %a1
-  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.946, i64 2, i64 0 })
+  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.955, i64 2, i64 0 })
   %t10 = xor i1 %t9, true
-  br label %logic.rend1658
-logic.rend1658:
-  br label %logic.end1657
-logic.end1657:
-  %t11 = phi i1 [ true, %logic.from1655 ], [ %t10, %logic.rend1658 ]
-  br i1 %t11, label %then1659, label %endif1661
-then1659:
+  br label %logic.rend1719
+logic.rend1719:
+  br label %logic.end1718
+logic.end1718:
+  %t11 = phi i1 [ true, %logic.from1716 ], [ %t10, %logic.rend1719 ]
+  br i1 %t11, label %then1720, label %endif1722
+then1720:
   %t12 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t12, ptr %a13
-  call void @finch.copy.S_ast_Node(ptr %a14, ptr %a13)
-  %t15 = load %S.ast.Node, ptr %a14
-  ret %S.ast.Node %t15
-endif1661:
+  ret %S.ast.Node %t12
+endif1722:
+  %t13 = load ptr, ptr %a1
+  %t14 = call %S.ast.Node @finch.parser.node(ptr %t13, { ptr, i64, i64 } { ptr @.str.956, i64 2, i64 0 })
+  store %S.ast.Node %t14, ptr %a15
   %t16 = load ptr, ptr %a1
-  %t17 = call %S.ast.Node @finch.parser.node(ptr %t16, { ptr, i64, i64 } { ptr @.str.947, i64 2, i64 0 })
-  store %S.ast.Node %t17, ptr %a18
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.next(ptr %t19)
-  %t21 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 9
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
-  %t23 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t23, ptr %a24
-  call void @finch.copy.S_ast_Node(ptr %a25, ptr %a24)
-  %t26 = load %S.ast.Node, ptr %a25
-  %t27 = load i64, ptr %t22
-  %t28 = add i64 %t27, 1
-  call void @finch_arr_reserve(ptr %t21, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t29 = load ptr, ptr %t21
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
-  store %S.ast.Node %t26, ptr %t30
-  store i64 %t28, ptr %t22
-  %t31 = load ptr, ptr %a1
-  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.948, i64 1, i64 0 })
-  br i1 %t32, label %then1662, label %else1663
-then1662:
-  %t33 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 6
-  store i1 true, ptr %t33
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 9
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
-  %t36 = load ptr, ptr %a1
-  %t37 = call %S.ast.Node @finch.parser.parseBlock(ptr %t36)
-  %t38 = load i64, ptr %t35
-  %t39 = add i64 %t38, 1
-  call void @finch_arr_reserve(ptr %t34, i64 %t39, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t40 = load ptr, ptr %t34
-  %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t38
-  store %S.ast.Node %t37, ptr %t41
-  store i64 %t39, ptr %t35
-  br label %endif1664
-else1663:
-  %t42 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 9
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
-  %t44 = load ptr, ptr %a1
-  %t45 = call %S.ast.Node @finch.parser.parseExpr(ptr %t44)
-  %t46 = load i64, ptr %t43
-  %t47 = add i64 %t46, 1
-  call void @finch_arr_reserve(ptr %t42, i64 %t47, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t48 = load ptr, ptr %t42
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 %t46
-  store %S.ast.Node %t45, ptr %t49
-  store i64 %t47, ptr %t43
-  br label %endif1664
-endif1664:
-  %t50 = load %S.ast.Node, ptr %a18
-  store %S.ast.Node %t50, ptr %a51
-  call void @finch.copy.S_ast_Node(ptr %a52, ptr %a51)
-  %t53 = load %S.ast.Node, ptr %a52
-  ret %S.ast.Node %t53
+  %t17 = call %S.lexer.Token @finch.parser.next(ptr %t16)
+  store %S.lexer.Token %t17, ptr %a18
+  call void @finch.drop.S_lexer_Token(ptr %a18)
+  %t19 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 9
+  %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t19, i32 0, i32 1
+  %t21 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t21, ptr %a22
+  call void @finch.copy.S_ast_Node(ptr %a23, ptr %a22)
+  %t24 = load %S.ast.Node, ptr %a23
+  %t25 = load i64, ptr %t20
+  %t26 = add i64 %t25, 1
+  call void @finch_arr_reserve(ptr %t19, i64 %t26, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t27 = load ptr, ptr %t19
+  %t28 = getelementptr inbounds %S.ast.Node, ptr %t27, i64 %t25
+  store %S.ast.Node %t24, ptr %t28
+  store i64 %t26, ptr %t20
+  %t29 = load ptr, ptr %a1
+  %t30 = call i1 @finch.parser.at(ptr %t29, { ptr, i64, i64 } { ptr @.str.957, i64 1, i64 0 })
+  br i1 %t30, label %then1723, label %else1724
+then1723:
+  %t31 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 6
+  store i1 true, ptr %t31
+  %t32 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 9
+  %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i32 0, i32 1
+  %t34 = load ptr, ptr %a1
+  %t35 = call %S.ast.Node @finch.parser.parseBlock(ptr %t34)
+  %t36 = load i64, ptr %t33
+  %t37 = add i64 %t36, 1
+  call void @finch_arr_reserve(ptr %t32, i64 %t37, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t38 = load ptr, ptr %t32
+  %t39 = getelementptr inbounds %S.ast.Node, ptr %t38, i64 %t36
+  store %S.ast.Node %t35, ptr %t39
+  store i64 %t37, ptr %t33
+  br label %endif1725
+else1724:
+  %t40 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 9
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load ptr, ptr %a1
+  %t43 = call %S.ast.Node @finch.parser.parseExpr(ptr %t42)
+  %t44 = load i64, ptr %t41
+  %t45 = add i64 %t44, 1
+  call void @finch_arr_reserve(ptr %t40, i64 %t45, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t46 = load ptr, ptr %t40
+  %t47 = getelementptr inbounds %S.ast.Node, ptr %t46, i64 %t44
+  store %S.ast.Node %t43, ptr %t47
+  store i64 %t45, ptr %t41
+  br label %endif1725
+endif1725:
+  %t48 = load %S.ast.Node, ptr %a15
+  call void @finch.drop.S_ast_Node(ptr %a4)
+  ret %S.ast.Node %t48
 }
 
 define internal %S.ast.Node @finch.parser.parseBinary(ptr %p0, i64 %p1) {
@@ -17824,319 +19862,360 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca i64, align 16
   %a11 = alloca %S.ast.Node, align 16
-  %a22 = alloca %S.ast.Node, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.ast.Node, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca %S.ast.Node, align 16
-  %a34 = alloca %S.ast.Node, align 16
-  %a51 = alloca %S.ast.Node, align 16
-  %a52 = alloca %S.ast.Node, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.lexer.Token, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca %S.ast.Node, align 16
+  %a38 = alloca %S.ast.Node, align 16
   %a55 = alloca %S.ast.Node, align 16
   %a56 = alloca %S.ast.Node, align 16
+  %a59 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load i64, ptr %a2
   %t4 = icmp sgt i64 %t3, 5
-  br i1 %t4, label %then1665, label %endif1667
-then1665:
+  br i1 %t4, label %then1726, label %endif1728
+then1726:
   %t5 = load ptr, ptr %a1
   %t6 = call %S.ast.Node @finch.parser.parseUnary(ptr %t5)
   ret %S.ast.Node %t6
-endif1667:
+endif1728:
   %t7 = load ptr, ptr %a1
   %t8 = load i64, ptr %a2
   %t9 = add i64 %t8, 1
   %t10 = call %S.ast.Node @finch.parser.parseBinary(ptr %t7, i64 %t9)
   store %S.ast.Node %t10, ptr %a11
-  br label %while.cond1668
-while.cond1668:
+  br label %while.cond1729
+while.cond1729:
   %t12 = load ptr, ptr %a1
   %t13 = call i1 @finch.parser.sameLine(ptr %t12)
-  br label %logic.from1671
-logic.from1671:
-  br i1 %t13, label %logic.rhs1672, label %logic.end1673
-logic.rhs1672:
+  br label %logic.from1732
+logic.from1732:
+  br i1 %t13, label %logic.rhs1733, label %logic.end1734
+logic.rhs1733:
   %t14 = load ptr, ptr %a1
   %t15 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t14)
   %t16 = call i64 @finch.parser.binaryLevel({ ptr, i64, i64 } %t15)
-  %t17 = load i64, ptr %a2
-  %t18 = icmp eq i64 %t16, %t17
-  br label %logic.rend1674
-logic.rend1674:
-  br label %logic.end1673
-logic.end1673:
-  %t19 = phi i1 [ false, %logic.from1671 ], [ %t18, %logic.rend1674 ]
-  br i1 %t19, label %while.body1669, label %while.end1670
-while.body1669:
-  %t20 = load ptr, ptr %a1
-  %t21 = call %S.ast.Node @finch.parser.node(ptr %t20, { ptr, i64, i64 } { ptr @.str.949, i64 6, i64 0 })
-  store %S.ast.Node %t21, ptr %a22
-  %t23 = load ptr, ptr %a1
-  %t24 = call %S.lexer.Token @finch.parser.next(ptr %t23)
-  %t25 = extractvalue %S.lexer.Token %t24, 0
-  store { ptr, i64, i64 } %t25, ptr %a26
-  call void @finch_str_copy(ptr %a27, ptr %a26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a22, i32 0, i32 1
-  store { ptr, i64, i64 } %t28, ptr %t29
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %a22, i32 0, i32 9
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
-  %t32 = load %S.ast.Node, ptr %a11
-  store %S.ast.Node %t32, ptr %a33
-  call void @finch.copy.S_ast_Node(ptr %a34, ptr %a33)
-  %t35 = load %S.ast.Node, ptr %a34
-  %t36 = load i64, ptr %t31
-  %t37 = add i64 %t36, 1
-  call void @finch_arr_reserve(ptr %t30, i64 %t37, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t38 = load ptr, ptr %t30
-  %t39 = getelementptr inbounds %S.ast.Node, ptr %t38, i64 %t36
-  store %S.ast.Node %t35, ptr %t39
-  store i64 %t37, ptr %t31
-  %t40 = getelementptr inbounds %S.ast.Node, ptr %a22, i32 0, i32 9
-  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
-  %t42 = load ptr, ptr %a1
-  %t43 = load i64, ptr %a2
-  %t44 = add i64 %t43, 1
-  %t45 = call %S.ast.Node @finch.parser.parseBinary(ptr %t42, i64 %t44)
-  %t46 = load i64, ptr %t41
-  %t47 = add i64 %t46, 1
-  call void @finch_arr_reserve(ptr %t40, i64 %t47, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t48 = load ptr, ptr %t40
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 %t46
-  store %S.ast.Node %t45, ptr %t49
-  store i64 %t47, ptr %t41
-  %t50 = load %S.ast.Node, ptr %a22
-  store %S.ast.Node %t50, ptr %a51
-  call void @finch.copy.S_ast_Node(ptr %a52, ptr %a51)
-  %t53 = load %S.ast.Node, ptr %a52
-  store %S.ast.Node %t53, ptr %a11
-  br label %while.cond1668
-while.end1670:
-  %t54 = load %S.ast.Node, ptr %a11
+  store { ptr, i64, i64 } %t15, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load i64, ptr %a2
+  %t19 = icmp eq i64 %t16, %t18
+  br label %logic.rend1735
+logic.rend1735:
+  br label %logic.end1734
+logic.end1734:
+  %t20 = phi i1 [ false, %logic.from1732 ], [ %t19, %logic.rend1735 ]
+  br i1 %t20, label %while.body1730, label %while.end1731
+while.body1730:
+  %t21 = load ptr, ptr %a1
+  %t22 = call %S.ast.Node @finch.parser.node(ptr %t21, { ptr, i64, i64 } { ptr @.str.958, i64 6, i64 0 })
+  store %S.ast.Node %t22, ptr %a23
+  %t24 = load ptr, ptr %a1
+  %t25 = call %S.lexer.Token @finch.parser.next(ptr %t24)
+  %t26 = extractvalue %S.lexer.Token %t25, 0
+  store { ptr, i64, i64 } %t26, ptr %a27
+  call void @finch_str_copy(ptr %a28, ptr %a27)
+  %t29 = load { ptr, i64, i64 }, ptr %a28
+  store %S.lexer.Token %t25, ptr %a30
+  call void @finch.drop.S_lexer_Token(ptr %a30)
+  %t31 = getelementptr inbounds %S.ast.Node, ptr %a23, i32 0, i32 1
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t29, ptr %t31
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = getelementptr inbounds %S.ast.Node, ptr %a23, i32 0, i32 9
+  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
+  %t36 = load %S.ast.Node, ptr %a11
+  store %S.ast.Node %t36, ptr %a37
+  call void @finch.copy.S_ast_Node(ptr %a38, ptr %a37)
+  %t39 = load %S.ast.Node, ptr %a38
+  %t40 = load i64, ptr %t35
+  %t41 = add i64 %t40, 1
+  call void @finch_arr_reserve(ptr %t34, i64 %t41, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t42 = load ptr, ptr %t34
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t40
+  store %S.ast.Node %t39, ptr %t43
+  store i64 %t41, ptr %t35
+  %t44 = getelementptr inbounds %S.ast.Node, ptr %a23, i32 0, i32 9
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
+  %t46 = load ptr, ptr %a1
+  %t47 = load i64, ptr %a2
+  %t48 = add i64 %t47, 1
+  %t49 = call %S.ast.Node @finch.parser.parseBinary(ptr %t46, i64 %t48)
+  %t50 = load i64, ptr %t45
+  %t51 = add i64 %t50, 1
+  call void @finch_arr_reserve(ptr %t44, i64 %t51, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t52 = load ptr, ptr %t44
+  %t53 = getelementptr inbounds %S.ast.Node, ptr %t52, i64 %t50
+  store %S.ast.Node %t49, ptr %t53
+  store i64 %t51, ptr %t45
+  %t54 = load %S.ast.Node, ptr %a23
   store %S.ast.Node %t54, ptr %a55
   call void @finch.copy.S_ast_Node(ptr %a56, ptr %a55)
   %t57 = load %S.ast.Node, ptr %a56
-  ret %S.ast.Node %t57
+  %t58 = load %S.ast.Node, ptr %a11
+  store %S.ast.Node %t57, ptr %a11
+  store %S.ast.Node %t58, ptr %a59
+  call void @finch.drop.S_ast_Node(ptr %a59)
+  call void @finch.drop.S_ast_Node(ptr %a23)
+  br label %while.cond1729
+while.end1731:
+  %t60 = load %S.ast.Node, ptr %a11
+  ret %S.ast.Node %t60
 }
 
 define internal %S.ast.Node @finch.parser.parseUnary(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a6 = alloca %S.ast.Node, align 16
-  %a28 = alloca %S.ast.Node, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca %S.lexer.Token, align 16
+  %a29 = alloca %S.ast.Node, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca %S.lexer.Token, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.950, i64 3, i64 0 })
-  br i1 %t3, label %then1675, label %endif1677
-then1675:
+  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.959, i64 3, i64 0 })
+  br i1 %t3, label %then1736, label %endif1738
+then1736:
   %t4 = load ptr, ptr %a1
-  %t5 = call %S.ast.Node @finch.parser.node(ptr %t4, { ptr, i64, i64 } { ptr @.str.951, i64 3, i64 0 })
+  %t5 = call %S.ast.Node @finch.parser.node(ptr %t4, { ptr, i64, i64 } { ptr @.str.960, i64 3, i64 0 })
   store %S.ast.Node %t5, ptr %a6
   %t7 = load ptr, ptr %a1
   %t8 = call %S.lexer.Token @finch.parser.next(ptr %t7)
-  %t9 = getelementptr inbounds %S.ast.Node, ptr %a6, i32 0, i32 9
-  %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
-  %t11 = load ptr, ptr %a1
-  %t12 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t11)
-  %t13 = load i64, ptr %t10
-  %t14 = add i64 %t13, 1
-  call void @finch_arr_reserve(ptr %t9, i64 %t14, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t15 = load ptr, ptr %t9
-  %t16 = getelementptr inbounds %S.ast.Node, ptr %t15, i64 %t13
-  store %S.ast.Node %t12, ptr %t16
-  store i64 %t14, ptr %t10
-  %t17 = load %S.ast.Node, ptr %a6
-  ret %S.ast.Node %t17
-endif1677:
-  %t18 = load ptr, ptr %a1
-  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.952, i64 1, i64 0 })
-  br label %logic.from1678
-logic.from1678:
-  br i1 %t19, label %logic.end1680, label %logic.rhs1679
-logic.rhs1679:
-  %t20 = load ptr, ptr %a1
-  %t21 = call i1 @finch.parser.at(ptr %t20, { ptr, i64, i64 } { ptr @.str.953, i64 1, i64 0 })
-  br label %logic.rend1681
-logic.rend1681:
-  br label %logic.end1680
-logic.end1680:
-  %t22 = phi i1 [ true, %logic.from1678 ], [ %t21, %logic.rend1681 ]
-  br label %logic.from1682
-logic.from1682:
-  br i1 %t22, label %logic.end1684, label %logic.rhs1683
-logic.rhs1683:
-  %t23 = load ptr, ptr %a1
-  %t24 = call i1 @finch.parser.at(ptr %t23, { ptr, i64, i64 } { ptr @.str.954, i64 1, i64 0 })
-  br label %logic.rend1685
-logic.rend1685:
-  br label %logic.end1684
-logic.end1684:
-  %t25 = phi i1 [ true, %logic.from1682 ], [ %t24, %logic.rend1685 ]
-  br i1 %t25, label %then1686, label %endif1688
-then1686:
-  %t26 = load ptr, ptr %a1
-  %t27 = call %S.ast.Node @finch.parser.node(ptr %t26, { ptr, i64, i64 } { ptr @.str.955, i64 5, i64 0 })
-  store %S.ast.Node %t27, ptr %a28
-  %t29 = load ptr, ptr %a1
-  %t30 = call %S.lexer.Token @finch.parser.next(ptr %t29)
-  %t31 = extractvalue %S.lexer.Token %t30, 0
-  store { ptr, i64, i64 } %t31, ptr %a32
-  call void @finch_str_copy(ptr %a33, ptr %a32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  %t35 = getelementptr inbounds %S.ast.Node, ptr %a28, i32 0, i32 1
-  store { ptr, i64, i64 } %t34, ptr %t35
-  %t36 = getelementptr inbounds %S.ast.Node, ptr %a28, i32 0, i32 9
-  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
-  %t38 = load ptr, ptr %a1
-  %t39 = call %S.ast.Node @finch.parser.parseUnary(ptr %t38)
-  %t40 = load i64, ptr %t37
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %t36, i64 %t41, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %t36
-  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t40
-  store %S.ast.Node %t39, ptr %t43
-  store i64 %t41, ptr %t37
-  %t44 = load %S.ast.Node, ptr %a28
-  ret %S.ast.Node %t44
-endif1688:
-  %t45 = load ptr, ptr %a1
-  %t46 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t45)
-  ret %S.ast.Node %t46
+  store %S.lexer.Token %t8, ptr %a9
+  call void @finch.drop.S_lexer_Token(ptr %a9)
+  %t10 = getelementptr inbounds %S.ast.Node, ptr %a6, i32 0, i32 9
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
+  %t12 = load ptr, ptr %a1
+  %t13 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t12)
+  %t14 = load i64, ptr %t11
+  %t15 = add i64 %t14, 1
+  call void @finch_arr_reserve(ptr %t10, i64 %t15, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t16 = load ptr, ptr %t10
+  %t17 = getelementptr inbounds %S.ast.Node, ptr %t16, i64 %t14
+  store %S.ast.Node %t13, ptr %t17
+  store i64 %t15, ptr %t11
+  %t18 = load %S.ast.Node, ptr %a6
+  ret %S.ast.Node %t18
+endif1738:
+  %t19 = load ptr, ptr %a1
+  %t20 = call i1 @finch.parser.at(ptr %t19, { ptr, i64, i64 } { ptr @.str.961, i64 1, i64 0 })
+  br label %logic.from1739
+logic.from1739:
+  br i1 %t20, label %logic.end1741, label %logic.rhs1740
+logic.rhs1740:
+  %t21 = load ptr, ptr %a1
+  %t22 = call i1 @finch.parser.at(ptr %t21, { ptr, i64, i64 } { ptr @.str.962, i64 1, i64 0 })
+  br label %logic.rend1742
+logic.rend1742:
+  br label %logic.end1741
+logic.end1741:
+  %t23 = phi i1 [ true, %logic.from1739 ], [ %t22, %logic.rend1742 ]
+  br label %logic.from1743
+logic.from1743:
+  br i1 %t23, label %logic.end1745, label %logic.rhs1744
+logic.rhs1744:
+  %t24 = load ptr, ptr %a1
+  %t25 = call i1 @finch.parser.at(ptr %t24, { ptr, i64, i64 } { ptr @.str.963, i64 1, i64 0 })
+  br label %logic.rend1746
+logic.rend1746:
+  br label %logic.end1745
+logic.end1745:
+  %t26 = phi i1 [ true, %logic.from1743 ], [ %t25, %logic.rend1746 ]
+  br i1 %t26, label %then1747, label %endif1749
+then1747:
+  %t27 = load ptr, ptr %a1
+  %t28 = call %S.ast.Node @finch.parser.node(ptr %t27, { ptr, i64, i64 } { ptr @.str.964, i64 5, i64 0 })
+  store %S.ast.Node %t28, ptr %a29
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.lexer.Token @finch.parser.next(ptr %t30)
+  %t32 = extractvalue %S.lexer.Token %t31, 0
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_copy(ptr %a34, ptr %a33)
+  %t35 = load { ptr, i64, i64 }, ptr %a34
+  store %S.lexer.Token %t31, ptr %a36
+  call void @finch.drop.S_lexer_Token(ptr %a36)
+  %t37 = getelementptr inbounds %S.ast.Node, ptr %a29, i32 0, i32 1
+  %t38 = load { ptr, i64, i64 }, ptr %t37
+  store { ptr, i64, i64 } %t35, ptr %t37
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = getelementptr inbounds %S.ast.Node, ptr %a29, i32 0, i32 9
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load ptr, ptr %a1
+  %t43 = call %S.ast.Node @finch.parser.parseUnary(ptr %t42)
+  %t44 = load i64, ptr %t41
+  %t45 = add i64 %t44, 1
+  call void @finch_arr_reserve(ptr %t40, i64 %t45, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t46 = load ptr, ptr %t40
+  %t47 = getelementptr inbounds %S.ast.Node, ptr %t46, i64 %t44
+  store %S.ast.Node %t43, ptr %t47
+  store i64 %t45, ptr %t41
+  %t48 = load %S.ast.Node, ptr %a29
+  ret %S.ast.Node %t48
+endif1749:
+  %t49 = load ptr, ptr %a1
+  %t50 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t49)
+  ret %S.ast.Node %t50
 }
 
 define internal void @finch.parser.parseArgs(ptr %p0, ptr %p1) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca ptr, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca %S.lexer.Token, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.lexer.Token, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca %S.lexer.Token, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   store ptr %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.956, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.957, i64 3, i64 0 })
-  %t5 = load ptr, ptr %a1
-  %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic1689, label %ok1690
-panic1689:
-  call void @finch_panic(ptr @.str.958, i64 638, ptr @.str.959)
+  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.965, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.966, i64 3, i64 0 })
+  store %S.lexer.Token %t4, ptr %a5
+  call void @finch.drop.S_lexer_Token(ptr %a5)
+  %t6 = load ptr, ptr %a1
+  %t7 = icmp eq ptr %t6, null
+  br i1 %t7, label %panic1750, label %ok1751
+panic1750:
+  call void @finch_panic(ptr @.str.967, i64 638, ptr @.str.968)
   unreachable
-ok1690:
-  %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 2
-  %t8 = load i64, ptr %t7
-  %t9 = add i64 %t8, 1
-  store i64 %t9, ptr %t7
-  %t10 = load ptr, ptr %a1
-  %t11 = call i1 @finch.parser.at(ptr %t10, { ptr, i64, i64 } { ptr @.str.960, i64 1, i64 0 })
-  %t12 = xor i1 %t11, true
-  br i1 %t12, label %then1691, label %endif1693
-then1691:
-  br label %while.cond1694
-while.cond1694:
-  %t13 = load ptr, ptr %a1
-  %t14 = call i1 @finch.parser.at(ptr %t13, { ptr, i64, i64 } { ptr @.str.961, i64 1, i64 0 })
-  %t15 = xor i1 %t14, true
-  br i1 %t15, label %while.body1695, label %while.end1696
-while.body1695:
-  store { ptr, i64, i64 } { ptr @.str.962, i64 0, i64 0 }, ptr %a16
-  %t17 = load ptr, ptr %a1
-  %t18 = call i1 @finch.parser.at(ptr %t17, { ptr, i64, i64 } { ptr @.str.963, i64 5, i64 0 })
-  br label %logic.from1697
-logic.from1697:
-  br i1 %t18, label %logic.rhs1698, label %logic.end1699
-logic.rhs1698:
-  %t19 = load ptr, ptr %a1
-  %t20 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t19, i64 1)
-  store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.964, i64 1, i64 0 }, ptr %a22
-  %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
-  %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend1700
-logic.rend1700:
-  br label %logic.end1699
-logic.end1699:
-  %t25 = phi i1 [ false, %logic.from1697 ], [ %t24, %logic.rend1700 ]
-  br i1 %t25, label %then1701, label %endif1703
-then1701:
-  %t26 = load ptr, ptr %a1
-  %t27 = call %S.lexer.Token @finch.parser.next(ptr %t26)
-  %t28 = extractvalue %S.lexer.Token %t27, 1
-  store { ptr, i64, i64 } %t28, ptr %a29
-  call void @finch_str_copy(ptr %a30, ptr %a29)
-  %t31 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t31, ptr %a16
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.lexer.Token @finch.parser.next(ptr %t32)
-  br label %endif1703
-endif1703:
-  %t34 = load ptr, ptr %a2
-  %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic1704, label %ok1705
-panic1704:
-  call void @finch_panic(ptr @.str.965, i64 646, ptr @.str.966)
+ok1751:
+  %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 2
+  %t9 = load i64, ptr %t8
+  %t10 = add i64 %t9, 1
+  store i64 %t10, ptr %t8
+  %t11 = load ptr, ptr %a1
+  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.969, i64 1, i64 0 })
+  %t13 = xor i1 %t12, true
+  br i1 %t13, label %then1752, label %endif1754
+then1752:
+  br label %while.cond1755
+while.cond1755:
+  %t14 = load ptr, ptr %a1
+  %t15 = call i1 @finch.parser.at(ptr %t14, { ptr, i64, i64 } { ptr @.str.970, i64 1, i64 0 })
+  %t16 = xor i1 %t15, true
+  br i1 %t16, label %while.body1756, label %while.end1757
+while.body1756:
+  store { ptr, i64, i64 } { ptr @.str.971, i64 0, i64 0 }, ptr %a17
+  %t18 = load ptr, ptr %a1
+  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.972, i64 5, i64 0 })
+  br label %logic.from1758
+logic.from1758:
+  br i1 %t19, label %logic.rhs1759, label %logic.end1760
+logic.rhs1759:
+  %t20 = load ptr, ptr %a1
+  %t21 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t20, i64 1)
+  store { ptr, i64, i64 } %t21, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.973, i64 1, i64 0 }, ptr %a23
+  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
+  %t25 = icmp ne i32 %t24, 0
+  store { ptr, i64, i64 } %t21, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  br label %logic.rend1761
+logic.rend1761:
+  br label %logic.end1760
+logic.end1760:
+  %t27 = phi i1 [ false, %logic.from1758 ], [ %t25, %logic.rend1761 ]
+  br i1 %t27, label %then1762, label %endif1764
+then1762:
+  %t28 = load ptr, ptr %a1
+  %t29 = call %S.lexer.Token @finch.parser.next(ptr %t28)
+  %t30 = extractvalue %S.lexer.Token %t29, 1
+  store { ptr, i64, i64 } %t30, ptr %a31
+  call void @finch_str_copy(ptr %a32, ptr %a31)
+  %t33 = load { ptr, i64, i64 }, ptr %a32
+  store %S.lexer.Token %t29, ptr %a34
+  call void @finch.drop.S_lexer_Token(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t33, ptr %a17
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load ptr, ptr %a1
+  %t38 = call %S.lexer.Token @finch.parser.next(ptr %t37)
+  store %S.lexer.Token %t38, ptr %a39
+  call void @finch.drop.S_lexer_Token(ptr %a39)
+  br label %endif1764
+endif1764:
+  %t40 = load ptr, ptr %a2
+  %t41 = icmp eq ptr %t40, null
+  br i1 %t41, label %panic1765, label %ok1766
+panic1765:
+  call void @finch_panic(ptr @.str.974, i64 646, ptr @.str.975)
   unreachable
-ok1705:
-  %t36 = getelementptr inbounds %S.ast.Node, ptr %t34, i32 0, i32 10
-  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
-  %t38 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t38, ptr %a39
-  call void @finch_str_copy(ptr %a40, ptr %a39)
-  %t41 = load { ptr, i64, i64 }, ptr %a40
-  %t42 = load i64, ptr %t37
-  %t43 = add i64 %t42, 1
-  call void @finch_arr_reserve(ptr %t36, i64 %t43, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t44 = load ptr, ptr %t36
-  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 %t42
-  store { ptr, i64, i64 } %t41, ptr %t45
-  store i64 %t43, ptr %t37
-  %t46 = load ptr, ptr %a2
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic1706, label %ok1707
-panic1706:
-  call void @finch_panic(ptr @.str.967, i64 647, ptr @.str.968)
+ok1766:
+  %t42 = getelementptr inbounds %S.ast.Node, ptr %t40, i32 0, i32 10
+  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
+  %t44 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_copy(ptr %a46, ptr %a45)
+  %t47 = load { ptr, i64, i64 }, ptr %a46
+  %t48 = load i64, ptr %t43
+  %t49 = add i64 %t48, 1
+  call void @finch_arr_reserve(ptr %t42, i64 %t49, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t50 = load ptr, ptr %t42
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t48
+  store { ptr, i64, i64 } %t47, ptr %t51
+  store i64 %t49, ptr %t43
+  %t52 = load ptr, ptr %a2
+  %t53 = icmp eq ptr %t52, null
+  br i1 %t53, label %panic1767, label %ok1768
+panic1767:
+  call void @finch_panic(ptr @.str.976, i64 647, ptr @.str.977)
   unreachable
-ok1707:
-  %t48 = getelementptr inbounds %S.ast.Node, ptr %t46, i32 0, i32 9
-  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i32 0, i32 1
-  %t50 = load ptr, ptr %a1
-  %t51 = call %S.ast.Node @finch.parser.parseExpr(ptr %t50)
-  %t52 = load i64, ptr %t49
-  %t53 = add i64 %t52, 1
-  call void @finch_arr_reserve(ptr %t48, i64 %t53, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t54 = load ptr, ptr %t48
-  %t55 = getelementptr inbounds %S.ast.Node, ptr %t54, i64 %t52
-  store %S.ast.Node %t51, ptr %t55
-  store i64 %t53, ptr %t49
+ok1768:
+  %t54 = getelementptr inbounds %S.ast.Node, ptr %t52, i32 0, i32 9
+  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i32 0, i32 1
   %t56 = load ptr, ptr %a1
-  %t57 = call i1 @finch.parser.accept(ptr %t56, { ptr, i64, i64 } { ptr @.str.969, i64 1, i64 0 })
-  %t58 = xor i1 %t57, true
-  br i1 %t58, label %then1708, label %endif1710
-then1708:
-  br label %while.end1696
-endif1710:
-  br label %while.cond1694
-while.end1696:
-  br label %endif1693
-endif1693:
-  %t59 = load ptr, ptr %a1
-  %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic1711, label %ok1712
-panic1711:
-  call void @finch_panic(ptr @.str.970, i64 653, ptr @.str.971)
+  %t57 = call %S.ast.Node @finch.parser.parseExpr(ptr %t56)
+  %t58 = load i64, ptr %t55
+  %t59 = add i64 %t58, 1
+  call void @finch_arr_reserve(ptr %t54, i64 %t59, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t60 = load ptr, ptr %t54
+  %t61 = getelementptr inbounds %S.ast.Node, ptr %t60, i64 %t58
+  store %S.ast.Node %t57, ptr %t61
+  store i64 %t59, ptr %t55
+  %t62 = load ptr, ptr %a1
+  %t63 = call i1 @finch.parser.accept(ptr %t62, { ptr, i64, i64 } { ptr @.str.978, i64 1, i64 0 })
+  %t64 = xor i1 %t63, true
+  br i1 %t64, label %then1769, label %endif1771
+then1769:
+  call void @finch_str_drop(ptr %a17)
+  br label %while.end1757
+endif1771:
+  call void @finch_str_drop(ptr %a17)
+  br label %while.cond1755
+while.end1757:
+  br label %endif1754
+endif1754:
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic1772, label %ok1773
+panic1772:
+  call void @finch_panic(ptr @.str.979, i64 653, ptr @.str.980)
   unreachable
-ok1712:
-  %t61 = getelementptr inbounds %S.parser.Parser, ptr %t59, i32 0, i32 2
-  %t62 = load i64, ptr %t61
-  %t63 = sub i64 %t62, 1
-  store i64 %t63, ptr %t61
-  %t64 = load ptr, ptr %a1
-  %t65 = call %S.lexer.Token @finch.parser.expect(ptr %t64, { ptr, i64, i64 } { ptr @.str.972, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.973, i64 3, i64 0 })
+ok1773:
+  %t67 = getelementptr inbounds %S.parser.Parser, ptr %t65, i32 0, i32 2
+  %t68 = load i64, ptr %t67
+  %t69 = sub i64 %t68, 1
+  store i64 %t69, ptr %t67
+  %t70 = load ptr, ptr %a1
+  %t71 = call %S.lexer.Token @finch.parser.expect(ptr %t70, { ptr, i64, i64 } { ptr @.str.981, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.982, i64 3, i64 0 })
+  store %S.lexer.Token %t71, ptr %a72
+  call void @finch.drop.S_lexer_Token(ptr %a72)
   ret void
 }
 
@@ -18145,170 +20224,193 @@ entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
   %a11 = alloca %S.ast.Node, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca %S.lexer.Token, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca %S.ast.Node, align 16
-  %a25 = alloca %S.ast.Node, align 16
-  %a41 = alloca %S.ast.Node, align 16
-  %a42 = alloca %S.ast.Node, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca %S.lexer.Token, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca %S.ast.Node, align 16
+  %a29 = alloca %S.ast.Node, align 16
+  %a40 = alloca %S.lexer.Token, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca %S.ast.Node, align 16
-  %a59 = alloca %S.ast.Node, align 16
-  %a60 = alloca %S.ast.Node, align 16
-  %a82 = alloca %S.ast.Node, align 16
-  %a83 = alloca %S.ast.Node, align 16
-  %a86 = alloca %S.ast.Node, align 16
-  %a87 = alloca %S.ast.Node, align 16
-  %a90 = alloca %S.ast.Node, align 16
-  %a91 = alloca %S.ast.Node, align 16
+  %a49 = alloca %S.ast.Node, align 16
+  %a52 = alloca %S.ast.Node, align 16
+  %a57 = alloca %S.ast.Node, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a69 = alloca %S.ast.Node, align 16
+  %a70 = alloca %S.ast.Node, align 16
+  %a91 = alloca %S.lexer.Token, align 16
+  %a93 = alloca %S.ast.Node, align 16
+  %a94 = alloca %S.ast.Node, align 16
+  %a97 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call %S.ast.Node @finch.parser.parsePrimary(ptr %t2)
   store %S.ast.Node %t3, ptr %a4
-  br label %while.cond1713
-while.cond1713:
+  br label %while.cond1774
+while.cond1774:
   %t5 = load ptr, ptr %a1
   %t6 = call i1 @finch.parser.sameLine(ptr %t5)
-  br i1 %t6, label %while.body1714, label %while.end1715
-while.body1714:
+  br i1 %t6, label %while.body1775, label %while.end1776
+while.body1775:
   %t7 = load ptr, ptr %a1
-  %t8 = call i1 @finch.parser.at(ptr %t7, { ptr, i64, i64 } { ptr @.str.974, i64 1, i64 0 })
-  br i1 %t8, label %then1716, label %else1717
-then1716:
+  %t8 = call i1 @finch.parser.at(ptr %t7, { ptr, i64, i64 } { ptr @.str.983, i64 1, i64 0 })
+  br i1 %t8, label %then1777, label %else1778
+then1777:
   %t9 = load ptr, ptr %a1
-  %t10 = call %S.ast.Node @finch.parser.node(ptr %t9, { ptr, i64, i64 } { ptr @.str.975, i64 6, i64 0 })
+  %t10 = call %S.ast.Node @finch.parser.node(ptr %t9, { ptr, i64, i64 } { ptr @.str.984, i64 6, i64 0 })
   store %S.ast.Node %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = call %S.lexer.Token @finch.parser.next(ptr %t12)
-  %t14 = load ptr, ptr %a1
-  %t15 = call %S.lexer.Token @finch.parser.expect(ptr %t14, { ptr, i64, i64 } { ptr @.str.976, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.977, i64 16, i64 0 })
-  %t16 = extractvalue %S.lexer.Token %t15, 1
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  %t20 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 1
-  store { ptr, i64, i64 } %t19, ptr %t20
-  %t21 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 9
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
-  %t23 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t23, ptr %a24
-  call void @finch.copy.S_ast_Node(ptr %a25, ptr %a24)
-  %t26 = load %S.ast.Node, ptr %a25
-  %t27 = load i64, ptr %t22
-  %t28 = add i64 %t27, 1
-  call void @finch_arr_reserve(ptr %t21, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t29 = load ptr, ptr %t21
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
-  store %S.ast.Node %t26, ptr %t30
-  store i64 %t28, ptr %t22
-  %t31 = load ptr, ptr %a1
-  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.978, i64 1, i64 0 })
-  br label %logic.from1719
-logic.from1719:
-  br i1 %t32, label %logic.rhs1720, label %logic.end1721
-logic.rhs1720:
-  %t33 = load ptr, ptr %a1
-  %t34 = call %S.lexer.Token @finch.parser.cur(ptr %t33)
-  %t35 = extractvalue %S.lexer.Token %t34, 4
-  %t36 = xor i1 %t35, true
-  br label %logic.rend1722
-logic.rend1722:
-  br label %logic.end1721
-logic.end1721:
-  %t37 = phi i1 [ false, %logic.from1719 ], [ %t36, %logic.rend1722 ]
-  br i1 %t37, label %then1723, label %endif1725
-then1723:
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.979, i64 6, i64 0 }, ptr %t38
-  %t39 = load ptr, ptr %a1
-  call void @finch.parser.parseArgs(ptr %t39, ptr %a11)
-  br label %endif1725
-endif1725:
-  %t40 = load %S.ast.Node, ptr %a11
-  store %S.ast.Node %t40, ptr %a41
-  call void @finch.copy.S_ast_Node(ptr %a42, ptr %a41)
-  %t43 = load %S.ast.Node, ptr %a42
-  store %S.ast.Node %t43, ptr %a4
-  br label %endif1718
-else1717:
-  %t44 = load ptr, ptr %a1
-  %t45 = call i1 @finch.parser.at(ptr %t44, { ptr, i64, i64 } { ptr @.str.980, i64 1, i64 0 })
-  br i1 %t45, label %then1726, label %else1727
-then1726:
+  store %S.lexer.Token %t13, ptr %a14
+  call void @finch.drop.S_lexer_Token(ptr %a14)
+  %t15 = load ptr, ptr %a1
+  %t16 = call %S.lexer.Token @finch.parser.expect(ptr %t15, { ptr, i64, i64 } { ptr @.str.985, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.986, i64 16, i64 0 })
+  %t17 = extractvalue %S.lexer.Token %t16, 1
+  store { ptr, i64, i64 } %t17, ptr %a18
+  call void @finch_str_copy(ptr %a19, ptr %a18)
+  %t20 = load { ptr, i64, i64 }, ptr %a19
+  store %S.lexer.Token %t16, ptr %a21
+  call void @finch.drop.S_lexer_Token(ptr %a21)
+  %t22 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 1
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t20, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 9
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i32 0, i32 1
+  %t27 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t27, ptr %a28
+  call void @finch.copy.S_ast_Node(ptr %a29, ptr %a28)
+  %t30 = load %S.ast.Node, ptr %a29
+  %t31 = load i64, ptr %t26
+  %t32 = add i64 %t31, 1
+  call void @finch_arr_reserve(ptr %t25, i64 %t32, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t33 = load ptr, ptr %t25
+  %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 %t31
+  store %S.ast.Node %t30, ptr %t34
+  store i64 %t32, ptr %t26
+  %t35 = load ptr, ptr %a1
+  %t36 = call i1 @finch.parser.at(ptr %t35, { ptr, i64, i64 } { ptr @.str.987, i64 1, i64 0 })
+  br label %logic.from1780
+logic.from1780:
+  br i1 %t36, label %logic.rhs1781, label %logic.end1782
+logic.rhs1781:
+  %t37 = load ptr, ptr %a1
+  %t38 = call %S.lexer.Token @finch.parser.cur(ptr %t37)
+  %t39 = extractvalue %S.lexer.Token %t38, 4
+  store %S.lexer.Token %t38, ptr %a40
+  call void @finch.drop.S_lexer_Token(ptr %a40)
+  %t41 = xor i1 %t39, true
+  br label %logic.rend1783
+logic.rend1783:
+  br label %logic.end1782
+logic.end1782:
+  %t42 = phi i1 [ false, %logic.from1780 ], [ %t41, %logic.rend1783 ]
+  br i1 %t42, label %then1784, label %endif1786
+then1784:
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 0
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.988, i64 6, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_drop(ptr %a45)
   %t46 = load ptr, ptr %a1
-  %t47 = call %S.ast.Node @finch.parser.node(ptr %t46, { ptr, i64, i64 } { ptr @.str.981, i64 5, i64 0 })
+  call void @finch.parser.parseArgs(ptr %t46, ptr %a11)
+  br label %endif1786
+endif1786:
+  %t47 = load %S.ast.Node, ptr %a11
   store %S.ast.Node %t47, ptr %a48
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.next(ptr %t49)
-  %t51 = load ptr, ptr %a1
-  %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic1729, label %ok1730
-panic1729:
-  call void @finch_panic(ptr @.str.982, i64 673, ptr @.str.983)
+  call void @finch.copy.S_ast_Node(ptr %a49, ptr %a48)
+  %t50 = load %S.ast.Node, ptr %a49
+  %t51 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t50, ptr %a4
+  store %S.ast.Node %t51, ptr %a52
+  call void @finch.drop.S_ast_Node(ptr %a52)
+  call void @finch.drop.S_ast_Node(ptr %a11)
+  br label %endif1779
+else1778:
+  %t53 = load ptr, ptr %a1
+  %t54 = call i1 @finch.parser.at(ptr %t53, { ptr, i64, i64 } { ptr @.str.989, i64 1, i64 0 })
+  br i1 %t54, label %then1787, label %else1788
+then1787:
+  %t55 = load ptr, ptr %a1
+  %t56 = call %S.ast.Node @finch.parser.node(ptr %t55, { ptr, i64, i64 } { ptr @.str.990, i64 5, i64 0 })
+  store %S.ast.Node %t56, ptr %a57
+  %t58 = load ptr, ptr %a1
+  %t59 = call %S.lexer.Token @finch.parser.next(ptr %t58)
+  store %S.lexer.Token %t59, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  %t61 = load ptr, ptr %a1
+  %t62 = icmp eq ptr %t61, null
+  br i1 %t62, label %panic1790, label %ok1791
+panic1790:
+  call void @finch_panic(ptr @.str.991, i64 673, ptr @.str.992)
   unreachable
-ok1730:
-  %t53 = getelementptr inbounds %S.parser.Parser, ptr %t51, i32 0, i32 2
-  %t54 = load i64, ptr %t53
-  %t55 = add i64 %t54, 1
-  store i64 %t55, ptr %t53
-  %t56 = getelementptr inbounds %S.ast.Node, ptr %a48, i32 0, i32 9
-  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i32 0, i32 1
-  %t58 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t58, ptr %a59
-  call void @finch.copy.S_ast_Node(ptr %a60, ptr %a59)
-  %t61 = load %S.ast.Node, ptr %a60
-  %t62 = load i64, ptr %t57
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %t56, i64 %t63, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %t56
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 %t62
-  store %S.ast.Node %t61, ptr %t65
-  store i64 %t63, ptr %t57
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a48, i32 0, i32 9
+ok1791:
+  %t63 = getelementptr inbounds %S.parser.Parser, ptr %t61, i32 0, i32 2
+  %t64 = load i64, ptr %t63
+  %t65 = add i64 %t64, 1
+  store i64 %t65, ptr %t63
+  %t66 = getelementptr inbounds %S.ast.Node, ptr %a57, i32 0, i32 9
   %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i32 0, i32 1
-  %t68 = load ptr, ptr %a1
-  %t69 = call %S.ast.Node @finch.parser.parseExpr(ptr %t68)
-  %t70 = load i64, ptr %t67
-  %t71 = add i64 %t70, 1
-  call void @finch_arr_reserve(ptr %t66, i64 %t71, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t72 = load ptr, ptr %t66
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %t72, i64 %t70
-  store %S.ast.Node %t69, ptr %t73
-  store i64 %t71, ptr %t67
-  %t74 = load ptr, ptr %a1
-  %t75 = icmp eq ptr %t74, null
-  br i1 %t75, label %panic1731, label %ok1732
-panic1731:
-  call void @finch_panic(ptr @.str.984, i64 676, ptr @.str.985)
+  %t68 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t68, ptr %a69
+  call void @finch.copy.S_ast_Node(ptr %a70, ptr %a69)
+  %t71 = load %S.ast.Node, ptr %a70
+  %t72 = load i64, ptr %t67
+  %t73 = add i64 %t72, 1
+  call void @finch_arr_reserve(ptr %t66, i64 %t73, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t74 = load ptr, ptr %t66
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t72
+  store %S.ast.Node %t71, ptr %t75
+  store i64 %t73, ptr %t67
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a57, i32 0, i32 9
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.ast.Node @finch.parser.parseExpr(ptr %t78)
+  %t80 = load i64, ptr %t77
+  %t81 = add i64 %t80, 1
+  call void @finch_arr_reserve(ptr %t76, i64 %t81, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t82 = load ptr, ptr %t76
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %t82, i64 %t80
+  store %S.ast.Node %t79, ptr %t83
+  store i64 %t81, ptr %t77
+  %t84 = load ptr, ptr %a1
+  %t85 = icmp eq ptr %t84, null
+  br i1 %t85, label %panic1792, label %ok1793
+panic1792:
+  call void @finch_panic(ptr @.str.993, i64 676, ptr @.str.994)
   unreachable
-ok1732:
-  %t76 = getelementptr inbounds %S.parser.Parser, ptr %t74, i32 0, i32 2
-  %t77 = load i64, ptr %t76
-  %t78 = sub i64 %t77, 1
-  store i64 %t78, ptr %t76
-  %t79 = load ptr, ptr %a1
-  %t80 = call %S.lexer.Token @finch.parser.expect(ptr %t79, { ptr, i64, i64 } { ptr @.str.986, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.987, i64 3, i64 0 })
-  %t81 = load %S.ast.Node, ptr %a48
-  store %S.ast.Node %t81, ptr %a82
-  call void @finch.copy.S_ast_Node(ptr %a83, ptr %a82)
-  %t84 = load %S.ast.Node, ptr %a83
-  store %S.ast.Node %t84, ptr %a4
-  br label %endif1728
-else1727:
-  %t85 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t85, ptr %a86
-  call void @finch.copy.S_ast_Node(ptr %a87, ptr %a86)
-  %t88 = load %S.ast.Node, ptr %a87
-  ret %S.ast.Node %t88
-endif1728:
-  br label %endif1718
-endif1718:
-  br label %while.cond1713
-while.end1715:
-  %t89 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t89, ptr %a90
-  call void @finch.copy.S_ast_Node(ptr %a91, ptr %a90)
-  %t92 = load %S.ast.Node, ptr %a91
-  ret %S.ast.Node %t92
+ok1793:
+  %t86 = getelementptr inbounds %S.parser.Parser, ptr %t84, i32 0, i32 2
+  %t87 = load i64, ptr %t86
+  %t88 = sub i64 %t87, 1
+  store i64 %t88, ptr %t86
+  %t89 = load ptr, ptr %a1
+  %t90 = call %S.lexer.Token @finch.parser.expect(ptr %t89, { ptr, i64, i64 } { ptr @.str.995, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.996, i64 3, i64 0 })
+  store %S.lexer.Token %t90, ptr %a91
+  call void @finch.drop.S_lexer_Token(ptr %a91)
+  %t92 = load %S.ast.Node, ptr %a57
+  store %S.ast.Node %t92, ptr %a93
+  call void @finch.copy.S_ast_Node(ptr %a94, ptr %a93)
+  %t95 = load %S.ast.Node, ptr %a94
+  %t96 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t95, ptr %a4
+  store %S.ast.Node %t96, ptr %a97
+  call void @finch.drop.S_ast_Node(ptr %a97)
+  call void @finch.drop.S_ast_Node(ptr %a57)
+  br label %endif1789
+else1788:
+  %t98 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t98
+endif1789:
+  br label %endif1779
+endif1779:
+  br label %while.cond1774
+while.end1776:
+  %t99 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t99
 }
 
 define internal %S.ast.Node @finch.parser.parsePrimary(ptr %p0) {
@@ -18325,69 +20427,84 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca %S.lexer.Token, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca %S.ast.Node, align 16
-  %a46 = alloca %S.ast.Node, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.lexer.Token, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca %S.ast.Node, align 16
-  %a64 = alloca %S.ast.Node, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca %S.ast.Node, align 16
-  %a87 = alloca %S.ast.Node, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca %S.lexer.Token, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca %S.ast.Node, align 16
-  %a99 = alloca %S.ast.Node, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca %S.ast.Node, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.lexer.Token, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca %S.lexer.Token, align 16
+  %a122 = alloca %S.ast.Node, align 16
+  %a130 = alloca %S.lexer.Token, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca %S.lexer.Token, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca %S.ast.Node, align 16
-  %a203 = alloca %S.ast.Node, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca %S.lexer.Token, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca %S.lexer.Token, align 16
+  %a219 = alloca %S.lexer.Token, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca %S.lexer.Token, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca %S.ast.Node, align 16
-  %a265 = alloca %S.ast.Node, align 16
-  %a277 = alloca %S.ast.Node, align 16
-  %a278 = alloca %S.ast.Node, align 16
-  %a282 = alloca %S.ast.Node, align 16
-  %a283 = alloca %S.ast.Node, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca %S.ast.Node, align 16
-  %a299 = alloca %S.ast.Node, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca %S.lexer.Token, align 16
+  %a268 = alloca %S.ast.Type, align 16
+  %a283 = alloca %S.lexer.Token, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca %S.lexer.Token, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call %S.lexer.Token @finch.parser.cur(ptr %t2)
   store %S.lexer.Token %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.ast.Node @finch.parser.node(ptr %t5, { ptr, i64, i64 } { ptr @.str.988, i64 0, i64 0 })
+  %t6 = call %S.ast.Node @finch.parser.node(ptr %t5, { ptr, i64, i64 } { ptr @.str.997, i64 0, i64 0 })
   store %S.ast.Node %t6, ptr %a7
   %t8 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
@@ -18397,494 +20514,608 @@ entry:
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.989, i64 3, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.998, i64 3, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.from1733
-logic.from1733:
-  br i1 %t18, label %logic.end1735, label %logic.rhs1734
-logic.rhs1734:
+  br label %logic.from1794
+logic.from1794:
+  br i1 %t18, label %logic.end1796, label %logic.rhs1795
+logic.rhs1795:
   %t19 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.990, i64 5, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.999, i64 5, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend1736
-logic.rend1736:
-  br label %logic.end1735
-logic.end1735:
-  %t24 = phi i1 [ true, %logic.from1733 ], [ %t23, %logic.rend1736 ]
-  br label %logic.from1737
-logic.from1737:
-  br i1 %t24, label %logic.end1739, label %logic.rhs1738
-logic.rhs1738:
+  br label %logic.rend1797
+logic.rend1797:
+  br label %logic.end1796
+logic.end1796:
+  %t24 = phi i1 [ true, %logic.from1794 ], [ %t23, %logic.rend1797 ]
+  br label %logic.from1798
+logic.from1798:
+  br i1 %t24, label %logic.end1800, label %logic.rhs1799
+logic.rhs1799:
   %t25 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.991, i64 4, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1000, i64 4, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend1740
-logic.rend1740:
-  br label %logic.end1739
-logic.end1739:
-  %t30 = phi i1 [ true, %logic.from1737 ], [ %t29, %logic.rend1740 ]
-  br i1 %t30, label %then1741, label %endif1743
-then1741:
+  br label %logic.rend1801
+logic.rend1801:
+  br label %logic.end1800
+logic.end1800:
+  %t30 = phi i1 [ true, %logic.from1798 ], [ %t29, %logic.rend1801 ]
+  br i1 %t30, label %then1802, label %endif1804
+then1802:
   %t31 = load ptr, ptr %a1
   %t32 = call %S.lexer.Token @finch.parser.next(ptr %t31)
-  %t33 = load { ptr, i64, i64 }, ptr %a13
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } %t33, ptr %a35
-  call void @finch_str_copy(ptr %a36, ptr %a35)
-  %t37 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t37, ptr %t34
-  %t38 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  %t40 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
-  store { ptr, i64, i64 } %t39, ptr %a41
-  call void @finch_str_copy(ptr %a42, ptr %a41)
-  %t43 = load { ptr, i64, i64 }, ptr %a42
-  store { ptr, i64, i64 } %t43, ptr %t40
-  %t44 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t44, ptr %a45
-  call void @finch.copy.S_ast_Node(ptr %a46, ptr %a45)
-  %t47 = load %S.ast.Node, ptr %a46
-  ret %S.ast.Node %t47
-endif1743:
-  %t48 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.992, i64 6, i64 0 }, ptr %a50
-  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
-  %t52 = icmp ne i32 %t51, 0
-  br i1 %t52, label %then1744, label %endif1746
-then1744:
-  %t53 = load ptr, ptr %a1
-  %t54 = call %S.lexer.Token @finch.parser.next(ptr %t53)
-  %t55 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.993, i64 3, i64 0 }, ptr %t55
-  %t56 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
-  %t57 = load { ptr, i64, i64 }, ptr %t56
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
-  store { ptr, i64, i64 } %t57, ptr %a59
-  call void @finch_str_copy(ptr %a60, ptr %a59)
-  %t61 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t61, ptr %t58
-  %t62 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t62, ptr %a63
-  call void @finch.copy.S_ast_Node(ptr %a64, ptr %a63)
-  %t65 = load %S.ast.Node, ptr %a64
-  ret %S.ast.Node %t65
-endif1746:
-  %t66 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.994, i64 4, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp ne i32 %t69, 0
-  br label %logic.from1747
-logic.from1747:
-  br i1 %t70, label %logic.end1749, label %logic.rhs1748
-logic.rhs1748:
-  %t71 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t71, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.995, i64 5, i64 0 }, ptr %a73
-  %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
-  %t75 = icmp ne i32 %t74, 0
-  br label %logic.rend1750
-logic.rend1750:
-  br label %logic.end1749
-logic.end1749:
-  %t76 = phi i1 [ true, %logic.from1747 ], [ %t75, %logic.rend1750 ]
-  br i1 %t76, label %then1751, label %endif1753
-then1751:
-  %t77 = load ptr, ptr %a1
-  %t78 = call %S.lexer.Token @finch.parser.next(ptr %t77)
-  %t79 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.996, i64 4, i64 0 }, ptr %t79
-  %t80 = load { ptr, i64, i64 }, ptr %a13
-  %t81 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
-  store { ptr, i64, i64 } %t80, ptr %a82
-  call void @finch_str_copy(ptr %a83, ptr %a82)
-  %t84 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t84, ptr %t81
-  %t85 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t85, ptr %a86
-  call void @finch.copy.S_ast_Node(ptr %a87, ptr %a86)
-  %t88 = load %S.ast.Node, ptr %a87
-  ret %S.ast.Node %t88
-endif1753:
-  %t89 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.997, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then1754, label %endif1756
-then1754:
-  %t94 = load ptr, ptr %a1
-  %t95 = call %S.lexer.Token @finch.parser.next(ptr %t94)
-  %t96 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.998, i64 4, i64 0 }, ptr %t96
-  %t97 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t97, ptr %a98
-  call void @finch.copy.S_ast_Node(ptr %a99, ptr %a98)
-  %t100 = load %S.ast.Node, ptr %a99
-  ret %S.ast.Node %t100
-endif1756:
-  %t101 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.999, i64 1, i64 0 }, ptr %a103
-  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
-  %t105 = icmp ne i32 %t104, 0
-  br i1 %t105, label %then1757, label %endif1759
-then1757:
-  %t106 = load ptr, ptr %a1
-  %t107 = call %S.lexer.Token @finch.parser.next(ptr %t106)
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic1760, label %ok1761
-panic1760:
-  call void @finch_panic(ptr @.str.1000, i64 715, ptr @.str.1001)
+  store %S.lexer.Token %t32, ptr %a33
+  call void @finch.drop.S_lexer_Token(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a13
+  %t35 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  store { ptr, i64, i64 } %t34, ptr %a36
+  call void @finch_str_copy(ptr %a37, ptr %a36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  %t39 = load { ptr, i64, i64 }, ptr %t35
+  store { ptr, i64, i64 } %t38, ptr %t35
+  store { ptr, i64, i64 } %t39, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
+  store { ptr, i64, i64 } %t42, ptr %a44
+  call void @finch_str_copy(ptr %a45, ptr %a44)
+  %t46 = load { ptr, i64, i64 }, ptr %a45
+  %t47 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } %t46, ptr %t43
+  store { ptr, i64, i64 } %t47, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t49
+endif1804:
+  %t50 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.1001, i64 6, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %then1805, label %endif1807
+then1805:
+  %t55 = load ptr, ptr %a1
+  %t56 = call %S.lexer.Token @finch.parser.next(ptr %t55)
+  store %S.lexer.Token %t56, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  %t58 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t59 = load { ptr, i64, i64 }, ptr %t58
+  store { ptr, i64, i64 } { ptr @.str.1002, i64 3, i64 0 }, ptr %t58
+  store { ptr, i64, i64 } %t59, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  %t63 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
+  store { ptr, i64, i64 } %t62, ptr %a64
+  call void @finch_str_copy(ptr %a65, ptr %a64)
+  %t66 = load { ptr, i64, i64 }, ptr %a65
+  %t67 = load { ptr, i64, i64 }, ptr %t63
+  store { ptr, i64, i64 } %t66, ptr %t63
+  store { ptr, i64, i64 } %t67, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t69
+endif1807:
+  %t70 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t70, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.1003, i64 4, i64 0 }, ptr %a72
+  %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
+  %t74 = icmp ne i32 %t73, 0
+  br label %logic.from1808
+logic.from1808:
+  br i1 %t74, label %logic.end1810, label %logic.rhs1809
+logic.rhs1809:
+  %t75 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t75, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.1004, i64 5, i64 0 }, ptr %a77
+  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
+  %t79 = icmp ne i32 %t78, 0
+  br label %logic.rend1811
+logic.rend1811:
+  br label %logic.end1810
+logic.end1810:
+  %t80 = phi i1 [ true, %logic.from1808 ], [ %t79, %logic.rend1811 ]
+  br i1 %t80, label %then1812, label %endif1814
+then1812:
+  %t81 = load ptr, ptr %a1
+  %t82 = call %S.lexer.Token @finch.parser.next(ptr %t81)
+  store %S.lexer.Token %t82, ptr %a83
+  call void @finch.drop.S_lexer_Token(ptr %a83)
+  %t84 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t85 = load { ptr, i64, i64 }, ptr %t84
+  store { ptr, i64, i64 } { ptr @.str.1005, i64 4, i64 0 }, ptr %t84
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a13
+  %t88 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
+  store { ptr, i64, i64 } %t87, ptr %a89
+  call void @finch_str_copy(ptr %a90, ptr %a89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  %t92 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t91, ptr %t88
+  store { ptr, i64, i64 } %t92, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t94
+endif1814:
+  %t95 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.1006, i64 4, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br i1 %t99, label %then1815, label %endif1817
+then1815:
+  %t100 = load ptr, ptr %a1
+  %t101 = call %S.lexer.Token @finch.parser.next(ptr %t100)
+  store %S.lexer.Token %t101, ptr %a102
+  call void @finch.drop.S_lexer_Token(ptr %a102)
+  %t103 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  store { ptr, i64, i64 } { ptr @.str.1007, i64 4, i64 0 }, ptr %t103
+  store { ptr, i64, i64 } %t104, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t106
+endif1817:
+  %t107 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t107, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.1008, i64 1, i64 0 }, ptr %a109
+  %t110 = call i32 @finch_str_eq(ptr %a108, ptr %a109)
+  %t111 = icmp ne i32 %t110, 0
+  br i1 %t111, label %then1818, label %endif1820
+then1818:
+  %t112 = load ptr, ptr %a1
+  %t113 = call %S.lexer.Token @finch.parser.next(ptr %t112)
+  store %S.lexer.Token %t113, ptr %a114
+  call void @finch.drop.S_lexer_Token(ptr %a114)
+  %t115 = load ptr, ptr %a1
+  %t116 = icmp eq ptr %t115, null
+  br i1 %t116, label %panic1821, label %ok1822
+panic1821:
+  call void @finch_panic(ptr @.str.1009, i64 715, ptr @.str.1010)
   unreachable
-ok1761:
-  %t110 = getelementptr inbounds %S.parser.Parser, ptr %t108, i32 0, i32 2
-  %t111 = load i64, ptr %t110
-  %t112 = add i64 %t111, 1
-  store i64 %t112, ptr %t110
-  %t113 = load ptr, ptr %a1
-  %t114 = call %S.ast.Node @finch.parser.parseExpr(ptr %t113)
-  store %S.ast.Node %t114, ptr %a115
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic1762, label %ok1763
-panic1762:
-  call void @finch_panic(ptr @.str.1002, i64 717, ptr @.str.1003)
+ok1822:
+  %t117 = getelementptr inbounds %S.parser.Parser, ptr %t115, i32 0, i32 2
+  %t118 = load i64, ptr %t117
+  %t119 = add i64 %t118, 1
+  store i64 %t119, ptr %t117
+  %t120 = load ptr, ptr %a1
+  %t121 = call %S.ast.Node @finch.parser.parseExpr(ptr %t120)
+  store %S.ast.Node %t121, ptr %a122
+  %t123 = load ptr, ptr %a1
+  %t124 = icmp eq ptr %t123, null
+  br i1 %t124, label %panic1823, label %ok1824
+panic1823:
+  call void @finch_panic(ptr @.str.1011, i64 717, ptr @.str.1012)
   unreachable
-ok1763:
-  %t118 = getelementptr inbounds %S.parser.Parser, ptr %t116, i32 0, i32 2
-  %t119 = load i64, ptr %t118
-  %t120 = sub i64 %t119, 1
-  store i64 %t120, ptr %t118
-  %t121 = load ptr, ptr %a1
-  %t122 = call %S.lexer.Token @finch.parser.expect(ptr %t121, { ptr, i64, i64 } { ptr @.str.1004, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1005, i64 3, i64 0 })
-  %t123 = load %S.ast.Node, ptr %a115
-  ret %S.ast.Node %t123
-endif1759:
-  %t124 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.1006, i64 5, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br i1 %t128, label %then1764, label %endif1766
-then1764:
-  %t129 = load ptr, ptr %a1
-  %t130 = call %S.ast.Node @finch.parser.parseMatch(ptr %t129, i1 true)
-  ret %S.ast.Node %t130
-endif1766:
-  %t131 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t131, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.1007, i64 1, i64 0 }, ptr %a133
-  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
-  %t135 = icmp ne i32 %t134, 0
-  br i1 %t135, label %then1767, label %endif1769
-then1767:
-  %t136 = load ptr, ptr %a1
-  %t137 = call %S.lexer.Token @finch.parser.next(ptr %t136)
-  %t138 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1008, i64 5, i64 0 }, ptr %t138
-  %t139 = load ptr, ptr %a1
-  %t140 = icmp eq ptr %t139, null
-  br i1 %t140, label %panic1770, label %ok1771
-panic1770:
-  call void @finch_panic(ptr @.str.1009, i64 727, ptr @.str.1010)
-  unreachable
-ok1771:
-  %t141 = getelementptr inbounds %S.parser.Parser, ptr %t139, i32 0, i32 2
-  %t142 = load i64, ptr %t141
-  %t143 = add i64 %t142, 1
-  store i64 %t143, ptr %t141
+ok1824:
+  %t125 = getelementptr inbounds %S.parser.Parser, ptr %t123, i32 0, i32 2
+  %t126 = load i64, ptr %t125
+  %t127 = sub i64 %t126, 1
+  store i64 %t127, ptr %t125
+  %t128 = load ptr, ptr %a1
+  %t129 = call %S.lexer.Token @finch.parser.expect(ptr %t128, { ptr, i64, i64 } { ptr @.str.1013, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1014, i64 3, i64 0 })
+  store %S.lexer.Token %t129, ptr %a130
+  call void @finch.drop.S_lexer_Token(ptr %a130)
+  %t131 = load %S.ast.Node, ptr %a122
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_ast_Node(ptr %a7)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t131
+endif1820:
+  %t132 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t132, ptr %a133
+  store { ptr, i64, i64 } { ptr @.str.1015, i64 5, i64 0 }, ptr %a134
+  %t135 = call i32 @finch_str_eq(ptr %a133, ptr %a134)
+  %t136 = icmp ne i32 %t135, 0
+  br i1 %t136, label %then1825, label %endif1827
+then1825:
+  %t137 = load ptr, ptr %a1
+  %t138 = call %S.ast.Node @finch.parser.parseMatch(ptr %t137, i1 true)
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_ast_Node(ptr %a7)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t138
+endif1827:
+  %t139 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t139, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.1016, i64 1, i64 0 }, ptr %a141
+  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
+  %t143 = icmp ne i32 %t142, 0
+  br i1 %t143, label %then1828, label %endif1830
+then1828:
   %t144 = load ptr, ptr %a1
-  %t145 = call i1 @finch.parser.at(ptr %t144, { ptr, i64, i64 } { ptr @.str.1011, i64 1, i64 0 })
-  br label %logic.from1772
-logic.from1772:
-  br i1 %t145, label %logic.rhs1773, label %logic.end1774
-logic.rhs1773:
-  %t146 = load ptr, ptr %a1
-  %t147 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t146, i64 1)
-  store { ptr, i64, i64 } %t147, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.1012, i64 1, i64 0 }, ptr %a149
-  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
-  %t151 = icmp ne i32 %t150, 0
-  br label %logic.rend1775
-logic.rend1775:
-  br label %logic.end1774
-logic.end1774:
-  %t152 = phi i1 [ false, %logic.from1772 ], [ %t151, %logic.rend1775 ]
-  br i1 %t152, label %then1776, label %endif1778
-then1776:
-  %t153 = load ptr, ptr %a1
-  %t154 = call %S.lexer.Token @finch.parser.next(ptr %t153)
-  %t155 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1013, i64 3, i64 0 }, ptr %t155
-  br label %endif1778
-endif1778:
-  br label %while.cond1779
-while.cond1779:
-  %t156 = load ptr, ptr %a1
-  %t157 = call i1 @finch.parser.at(ptr %t156, { ptr, i64, i64 } { ptr @.str.1014, i64 1, i64 0 })
-  %t158 = xor i1 %t157, true
-  br i1 %t158, label %while.body1780, label %while.end1781
-while.body1780:
-  %t159 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %t159, i32 0, i32 1
-  %t161 = load ptr, ptr %a1
-  %t162 = call %S.ast.Node @finch.parser.parseExpr(ptr %t161)
-  %t163 = load i64, ptr %t160
-  %t164 = add i64 %t163, 1
-  call void @finch_arr_reserve(ptr %t159, i64 %t164, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t165 = load ptr, ptr %t159
-  %t166 = getelementptr inbounds %S.ast.Node, ptr %t165, i64 %t163
-  store %S.ast.Node %t162, ptr %t166
-  store i64 %t164, ptr %t160
-  %t167 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
-  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
-  %t169 = load i64, ptr %t168
-  %t170 = icmp eq i64 %t169, 1
-  br label %logic.from1782
-logic.from1782:
-  br i1 %t170, label %logic.rhs1783, label %logic.end1784
-logic.rhs1783:
+  %t145 = call %S.lexer.Token @finch.parser.next(ptr %t144)
+  store %S.lexer.Token %t145, ptr %a146
+  call void @finch.drop.S_lexer_Token(ptr %a146)
+  %t147 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  store { ptr, i64, i64 } { ptr @.str.1017, i64 5, i64 0 }, ptr %t147
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load ptr, ptr %a1
+  %t151 = icmp eq ptr %t150, null
+  br i1 %t151, label %panic1831, label %ok1832
+panic1831:
+  call void @finch_panic(ptr @.str.1018, i64 727, ptr @.str.1019)
+  unreachable
+ok1832:
+  %t152 = getelementptr inbounds %S.parser.Parser, ptr %t150, i32 0, i32 2
+  %t153 = load i64, ptr %t152
+  %t154 = add i64 %t153, 1
+  store i64 %t154, ptr %t152
+  %t155 = load ptr, ptr %a1
+  %t156 = call i1 @finch.parser.at(ptr %t155, { ptr, i64, i64 } { ptr @.str.1020, i64 1, i64 0 })
+  br label %logic.from1833
+logic.from1833:
+  br i1 %t156, label %logic.rhs1834, label %logic.end1835
+logic.rhs1834:
+  %t157 = load ptr, ptr %a1
+  %t158 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t157, i64 1)
+  store { ptr, i64, i64 } %t158, ptr %a159
+  store { ptr, i64, i64 } { ptr @.str.1021, i64 1, i64 0 }, ptr %a160
+  %t161 = call i32 @finch_str_eq(ptr %a159, ptr %a160)
+  %t162 = icmp ne i32 %t161, 0
+  store { ptr, i64, i64 } %t158, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  br label %logic.rend1836
+logic.rend1836:
+  br label %logic.end1835
+logic.end1835:
+  %t164 = phi i1 [ false, %logic.from1833 ], [ %t162, %logic.rend1836 ]
+  br i1 %t164, label %then1837, label %endif1839
+then1837:
+  %t165 = load ptr, ptr %a1
+  %t166 = call %S.lexer.Token @finch.parser.next(ptr %t165)
+  store %S.lexer.Token %t166, ptr %a167
+  call void @finch.drop.S_lexer_Token(ptr %a167)
+  %t168 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t169 = load { ptr, i64, i64 }, ptr %t168
+  store { ptr, i64, i64 } { ptr @.str.1022, i64 3, i64 0 }, ptr %t168
+  store { ptr, i64, i64 } %t169, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  br label %endif1839
+endif1839:
+  br label %while.cond1840
+while.cond1840:
   %t171 = load ptr, ptr %a1
-  %t172 = call i1 @finch.parser.at(ptr %t171, { ptr, i64, i64 } { ptr @.str.1015, i64 1, i64 0 })
-  br label %logic.rend1785
-logic.rend1785:
-  br label %logic.end1784
-logic.end1784:
-  %t173 = phi i1 [ false, %logic.from1782 ], [ %t172, %logic.rend1785 ]
-  br i1 %t173, label %then1786, label %endif1788
-then1786:
-  %t174 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1016, i64 3, i64 0 }, ptr %t174
-  br label %endif1788
-endif1788:
-  %t175 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  store { ptr, i64, i64 } %t176, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.1017, i64 3, i64 0 }, ptr %a178
-  %t179 = call i32 @finch_str_eq(ptr %a177, ptr %a178)
-  %t180 = icmp ne i32 %t179, 0
-  br i1 %t180, label %then1789, label %endif1791
-then1789:
-  %t181 = load ptr, ptr %a1
-  %t182 = call %S.lexer.Token @finch.parser.expect(ptr %t181, { ptr, i64, i64 } { ptr @.str.1018, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1019, i64 41, i64 0 })
-  %t183 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
-  %t184 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i32 0, i32 1
-  %t185 = load ptr, ptr %a1
-  %t186 = call %S.ast.Node @finch.parser.parseExpr(ptr %t185)
-  %t187 = load i64, ptr %t184
-  %t188 = add i64 %t187, 1
-  call void @finch_arr_reserve(ptr %t183, i64 %t188, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t189 = load ptr, ptr %t183
-  %t190 = getelementptr inbounds %S.ast.Node, ptr %t189, i64 %t187
-  store %S.ast.Node %t186, ptr %t190
-  store i64 %t188, ptr %t184
-  br label %endif1791
-endif1791:
-  %t191 = load ptr, ptr %a1
-  %t192 = call i1 @finch.parser.accept(ptr %t191, { ptr, i64, i64 } { ptr @.str.1020, i64 1, i64 0 })
-  %t193 = xor i1 %t192, true
-  br i1 %t193, label %then1792, label %endif1794
-then1792:
-  br label %while.end1781
-endif1794:
-  br label %while.cond1779
-while.end1781:
-  %t194 = load ptr, ptr %a1
-  %t195 = icmp eq ptr %t194, null
-  br i1 %t195, label %panic1795, label %ok1796
-panic1795:
-  call void @finch_panic(ptr @.str.1021, i64 745, ptr @.str.1022)
+  %t172 = call i1 @finch.parser.at(ptr %t171, { ptr, i64, i64 } { ptr @.str.1023, i64 1, i64 0 })
+  %t173 = xor i1 %t172, true
+  br i1 %t173, label %while.body1841, label %while.end1842
+while.body1841:
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
+  %t175 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i32 0, i32 1
+  %t176 = load ptr, ptr %a1
+  %t177 = call %S.ast.Node @finch.parser.parseExpr(ptr %t176)
+  %t178 = load i64, ptr %t175
+  %t179 = add i64 %t178, 1
+  call void @finch_arr_reserve(ptr %t174, i64 %t179, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t180 = load ptr, ptr %t174
+  %t181 = getelementptr inbounds %S.ast.Node, ptr %t180, i64 %t178
+  store %S.ast.Node %t177, ptr %t181
+  store i64 %t179, ptr %t175
+  %t182 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
+  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i32 0, i32 1
+  %t184 = load i64, ptr %t183
+  %t185 = icmp eq i64 %t184, 1
+  br label %logic.from1843
+logic.from1843:
+  br i1 %t185, label %logic.rhs1844, label %logic.end1845
+logic.rhs1844:
+  %t186 = load ptr, ptr %a1
+  %t187 = call i1 @finch.parser.at(ptr %t186, { ptr, i64, i64 } { ptr @.str.1024, i64 1, i64 0 })
+  br label %logic.rend1846
+logic.rend1846:
+  br label %logic.end1845
+logic.end1845:
+  %t188 = phi i1 [ false, %logic.from1843 ], [ %t187, %logic.rend1846 ]
+  br i1 %t188, label %then1847, label %endif1849
+then1847:
+  %t189 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  store { ptr, i64, i64 } { ptr @.str.1025, i64 3, i64 0 }, ptr %t189
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  br label %endif1849
+endif1849:
+  %t192 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  store { ptr, i64, i64 } %t193, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.1026, i64 3, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br i1 %t197, label %then1850, label %endif1852
+then1850:
+  %t198 = load ptr, ptr %a1
+  %t199 = call %S.lexer.Token @finch.parser.expect(ptr %t198, { ptr, i64, i64 } { ptr @.str.1027, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1028, i64 41, i64 0 })
+  store %S.lexer.Token %t199, ptr %a200
+  call void @finch.drop.S_lexer_Token(ptr %a200)
+  %t201 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
+  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i32 0, i32 1
+  %t203 = load ptr, ptr %a1
+  %t204 = call %S.ast.Node @finch.parser.parseExpr(ptr %t203)
+  %t205 = load i64, ptr %t202
+  %t206 = add i64 %t205, 1
+  call void @finch_arr_reserve(ptr %t201, i64 %t206, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t207 = load ptr, ptr %t201
+  %t208 = getelementptr inbounds %S.ast.Node, ptr %t207, i64 %t205
+  store %S.ast.Node %t204, ptr %t208
+  store i64 %t206, ptr %t202
+  br label %endif1852
+endif1852:
+  %t209 = load ptr, ptr %a1
+  %t210 = call i1 @finch.parser.accept(ptr %t209, { ptr, i64, i64 } { ptr @.str.1029, i64 1, i64 0 })
+  %t211 = xor i1 %t210, true
+  br i1 %t211, label %then1853, label %endif1855
+then1853:
+  br label %while.end1842
+endif1855:
+  br label %while.cond1840
+while.end1842:
+  %t212 = load ptr, ptr %a1
+  %t213 = icmp eq ptr %t212, null
+  br i1 %t213, label %panic1856, label %ok1857
+panic1856:
+  call void @finch_panic(ptr @.str.1030, i64 745, ptr @.str.1031)
   unreachable
-ok1796:
-  %t196 = getelementptr inbounds %S.parser.Parser, ptr %t194, i32 0, i32 2
-  %t197 = load i64, ptr %t196
-  %t198 = sub i64 %t197, 1
-  store i64 %t198, ptr %t196
-  %t199 = load ptr, ptr %a1
-  %t200 = call %S.lexer.Token @finch.parser.expect(ptr %t199, { ptr, i64, i64 } { ptr @.str.1023, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1024, i64 3, i64 0 })
-  %t201 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t201, ptr %a202
-  call void @finch.copy.S_ast_Node(ptr %a203, ptr %a202)
-  %t204 = load %S.ast.Node, ptr %a203
-  ret %S.ast.Node %t204
-endif1769:
-  %t205 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t205, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.1025, i64 5, i64 0 }, ptr %a207
-  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
-  %t209 = icmp ne i32 %t208, 0
-  br i1 %t209, label %then1797, label %endif1799
-then1797:
-  %t210 = load ptr, ptr %a1
-  %t211 = call %S.lexer.Token @finch.parser.next(ptr %t210)
-  %t212 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
-  %t213 = load { ptr, i64, i64 }, ptr %t212
-  %t214 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 1
-  store { ptr, i64, i64 } %t213, ptr %a215
-  call void @finch_str_copy(ptr %a216, ptr %a215)
-  %t217 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t217, ptr %t214
-  %t218 = load ptr, ptr %a1
-  %t219 = call i1 @finch.parser.at(ptr %t218, { ptr, i64, i64 } { ptr @.str.1026, i64 1, i64 0 })
-  br label %logic.from1800
-logic.from1800:
-  br i1 %t219, label %logic.rhs1801, label %logic.end1802
-logic.rhs1801:
-  %t220 = load ptr, ptr %a1
-  %t221 = icmp eq ptr %t220, null
-  br i1 %t221, label %panic1803, label %ok1804
-panic1803:
-  call void @finch_panic(ptr @.str.1027, i64 752, ptr @.str.1028)
+ok1857:
+  %t214 = getelementptr inbounds %S.parser.Parser, ptr %t212, i32 0, i32 2
+  %t215 = load i64, ptr %t214
+  %t216 = sub i64 %t215, 1
+  store i64 %t216, ptr %t214
+  %t217 = load ptr, ptr %a1
+  %t218 = call %S.lexer.Token @finch.parser.expect(ptr %t217, { ptr, i64, i64 } { ptr @.str.1032, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1033, i64 3, i64 0 })
+  store %S.lexer.Token %t218, ptr %a219
+  call void @finch.drop.S_lexer_Token(ptr %a219)
+  %t220 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t220
+endif1830:
+  %t221 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t221, ptr %a222
+  store { ptr, i64, i64 } { ptr @.str.1034, i64 5, i64 0 }, ptr %a223
+  %t224 = call i32 @finch_str_eq(ptr %a222, ptr %a223)
+  %t225 = icmp ne i32 %t224, 0
+  br i1 %t225, label %then1858, label %endif1860
+then1858:
+  %t226 = load ptr, ptr %a1
+  %t227 = call %S.lexer.Token @finch.parser.next(ptr %t226)
+  store %S.lexer.Token %t227, ptr %a228
+  call void @finch.drop.S_lexer_Token(ptr %a228)
+  %t229 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
+  %t230 = load { ptr, i64, i64 }, ptr %t229
+  %t231 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 1
+  store { ptr, i64, i64 } %t230, ptr %a232
+  call void @finch_str_copy(ptr %a233, ptr %a232)
+  %t234 = load { ptr, i64, i64 }, ptr %a233
+  %t235 = load { ptr, i64, i64 }, ptr %t231
+  store { ptr, i64, i64 } %t234, ptr %t231
+  store { ptr, i64, i64 } %t235, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load ptr, ptr %a1
+  %t238 = call i1 @finch.parser.at(ptr %t237, { ptr, i64, i64 } { ptr @.str.1035, i64 1, i64 0 })
+  br label %logic.from1861
+logic.from1861:
+  br i1 %t238, label %logic.rhs1862, label %logic.end1863
+logic.rhs1862:
+  %t239 = load ptr, ptr %a1
+  %t240 = icmp eq ptr %t239, null
+  br i1 %t240, label %panic1864, label %ok1865
+panic1864:
+  call void @finch_panic(ptr @.str.1036, i64 752, ptr @.str.1037)
   unreachable
-ok1804:
-  %t222 = getelementptr inbounds %S.parser.Parser, ptr %t220, i32 0, i32 0
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic1805, label %ok1806
-panic1805:
-  call void @finch_panic(ptr @.str.1029, i64 752, ptr @.str.1030)
+ok1865:
+  %t241 = getelementptr inbounds %S.parser.Parser, ptr %t239, i32 0, i32 0
+  %t242 = load ptr, ptr %a1
+  %t243 = icmp eq ptr %t242, null
+  br i1 %t243, label %panic1866, label %ok1867
+panic1866:
+  call void @finch_panic(ptr @.str.1038, i64 752, ptr @.str.1039)
   unreachable
-ok1806:
-  %t225 = getelementptr inbounds %S.parser.Parser, ptr %t223, i32 0, i32 1
-  %t226 = load i64, ptr %t225
-  %t227 = sub i64 %t226, 1
-  %t228 = load { ptr, i64, i64 }, ptr %t222
-  %t229 = extractvalue { ptr, i64, i64 } %t228, 1
-  %t230 = icmp uge i64 %t227, %t229
-  br i1 %t230, label %range1807, label %inrange1808
-range1807:
-  call void @finch_panic_index(ptr @.str.1031, i64 752, i64 %t227, i64 %t229)
+ok1867:
+  %t244 = getelementptr inbounds %S.parser.Parser, ptr %t242, i32 0, i32 1
+  %t245 = load i64, ptr %t244
+  %t246 = sub i64 %t245, 1
+  %t247 = load { ptr, i64, i64 }, ptr %t241
+  %t248 = extractvalue { ptr, i64, i64 } %t247, 1
+  %t249 = icmp uge i64 %t246, %t248
+  br i1 %t249, label %range1868, label %inrange1869
+range1868:
+  call void @finch_panic_index(ptr @.str.1040, i64 752, i64 %t246, i64 %t248)
   unreachable
-inrange1808:
-  %t231 = extractvalue { ptr, i64, i64 } %t228, 0
-  %t232 = getelementptr inbounds %S.lexer.Token, ptr %t231, i64 %t227
-  %t233 = getelementptr inbounds %S.lexer.Token, ptr %t232, i32 0, i32 0
-  %t234 = load { ptr, i64, i64 }, ptr %t233
-  store { ptr, i64, i64 } %t234, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.1032, i64 5, i64 0 }, ptr %a236
-  %t237 = call i32 @finch_str_eq(ptr %a235, ptr %a236)
-  %t238 = icmp ne i32 %t237, 0
-  br label %logic.rend1809
-logic.rend1809:
-  br label %logic.end1802
-logic.end1802:
-  %t239 = phi i1 [ false, %logic.from1800 ], [ %t238, %logic.rend1809 ]
-  br label %logic.from1810
-logic.from1810:
-  br i1 %t239, label %logic.rhs1811, label %logic.end1812
-logic.rhs1811:
-  %t240 = load ptr, ptr %a1
-  %t241 = call i1 @finch.parser.genericCallAheadFrom(ptr %t240)
-  br label %logic.rend1813
-logic.rend1813:
-  br label %logic.end1812
-logic.end1812:
-  %t242 = phi i1 [ false, %logic.from1810 ], [ %t241, %logic.rend1813 ]
-  br i1 %t242, label %then1814, label %endif1816
-then1814:
-  %t243 = load ptr, ptr %a1
-  %t244 = call %S.lexer.Token @finch.parser.next(ptr %t243)
-  %t245 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1033, i64 5, i64 0 }, 0
-  %t246 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
-  store %S.ast.Type %t245, ptr %t246
-  br label %while.cond1817
-while.cond1817:
-  br label %while.body1818
-while.body1818:
-  %t247 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
-  %t248 = getelementptr inbounds %S.ast.Type, ptr %t247, i32 0, i32 1
-  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
-  %t250 = load ptr, ptr %a1
-  %t251 = call %S.ast.Type @finch.parser.parseType(ptr %t250)
-  %t252 = load i64, ptr %t249
-  %t253 = add i64 %t252, 1
-  call void @finch_arr_reserve(ptr %t248, i64 %t253, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t254 = load ptr, ptr %t248
-  %t255 = getelementptr inbounds %S.ast.Type, ptr %t254, i64 %t252
-  store %S.ast.Type %t251, ptr %t255
-  store i64 %t253, ptr %t249
-  %t256 = load ptr, ptr %a1
-  %t257 = call i1 @finch.parser.accept(ptr %t256, { ptr, i64, i64 } { ptr @.str.1034, i64 1, i64 0 })
-  %t258 = xor i1 %t257, true
-  br i1 %t258, label %then1820, label %endif1822
-then1820:
-  br label %while.end1819
-endif1822:
-  br label %while.cond1817
-while.end1819:
+inrange1869:
+  %t250 = extractvalue { ptr, i64, i64 } %t247, 0
+  %t251 = getelementptr inbounds %S.lexer.Token, ptr %t250, i64 %t246
+  %t252 = getelementptr inbounds %S.lexer.Token, ptr %t251, i32 0, i32 0
+  %t253 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } %t253, ptr %a254
+  store { ptr, i64, i64 } { ptr @.str.1041, i64 5, i64 0 }, ptr %a255
+  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
+  %t257 = icmp ne i32 %t256, 0
+  br label %logic.rend1870
+logic.rend1870:
+  br label %logic.end1863
+logic.end1863:
+  %t258 = phi i1 [ false, %logic.from1861 ], [ %t257, %logic.rend1870 ]
+  br label %logic.from1871
+logic.from1871:
+  br i1 %t258, label %logic.rhs1872, label %logic.end1873
+logic.rhs1872:
   %t259 = load ptr, ptr %a1
-  %t260 = call %S.lexer.Token @finch.parser.expect(ptr %t259, { ptr, i64, i64 } { ptr @.str.1035, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1036, i64 28, i64 0 })
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1037, i64 4, i64 0 }, ptr %t261
+  %t260 = call i1 @finch.parser.genericCallAheadFrom(ptr %t259)
+  br label %logic.rend1874
+logic.rend1874:
+  br label %logic.end1873
+logic.end1873:
+  %t261 = phi i1 [ false, %logic.from1871 ], [ %t260, %logic.rend1874 ]
+  br i1 %t261, label %then1875, label %endif1877
+then1875:
   %t262 = load ptr, ptr %a1
-  call void @finch.parser.parseArgs(ptr %t262, ptr %a7)
-  %t263 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t263, ptr %a264
-  call void @finch.copy.S_ast_Node(ptr %a265, ptr %a264)
-  %t266 = load %S.ast.Node, ptr %a265
-  ret %S.ast.Node %t266
-endif1816:
-  %t267 = load ptr, ptr %a1
-  %t268 = call i1 @finch.parser.at(ptr %t267, { ptr, i64, i64 } { ptr @.str.1038, i64 1, i64 0 })
-  br label %logic.from1823
-logic.from1823:
-  br i1 %t268, label %logic.rhs1824, label %logic.end1825
-logic.rhs1824:
-  %t269 = load ptr, ptr %a1
-  %t270 = call %S.lexer.Token @finch.parser.cur(ptr %t269)
-  %t271 = extractvalue %S.lexer.Token %t270, 4
-  %t272 = xor i1 %t271, true
-  br label %logic.rend1826
-logic.rend1826:
-  br label %logic.end1825
-logic.end1825:
-  %t273 = phi i1 [ false, %logic.from1823 ], [ %t272, %logic.rend1826 ]
-  br i1 %t273, label %then1827, label %endif1829
-then1827:
-  %t274 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1039, i64 4, i64 0 }, ptr %t274
-  %t275 = load ptr, ptr %a1
-  call void @finch.parser.parseArgs(ptr %t275, ptr %a7)
-  %t276 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t276, ptr %a277
-  call void @finch.copy.S_ast_Node(ptr %a278, ptr %a277)
-  %t279 = load %S.ast.Node, ptr %a278
-  ret %S.ast.Node %t279
-endif1829:
-  %t280 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1040, i64 3, i64 0 }, ptr %t280
-  %t281 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t281, ptr %a282
-  call void @finch.copy.S_ast_Node(ptr %a283, ptr %a282)
-  %t284 = load %S.ast.Node, ptr %a283
-  ret %S.ast.Node %t284
-endif1799:
-  %t285 = load ptr, ptr %a1
-  %t286 = load %S.lexer.Token, ptr %a4
-  %t287 = load %S.lexer.Token, ptr %a4
-  %t288 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t287)
-  store { ptr, i64, i64 } { ptr @.str.1041, i64 11, i64 0 }, ptr %a290
-  store { ptr, i64, i64 } %t288, ptr %a291
-  call void @finch_str_concat(ptr %a289, ptr %a290, ptr %a291)
-  %t292 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t292, ptr %a294
-  store { ptr, i64, i64 } { ptr @.str.1042, i64 19, i64 0 }, ptr %a295
-  call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
-  %t296 = load { ptr, i64, i64 }, ptr %a293
-  call void @finch.parser.fail(ptr %t285, %S.lexer.Token %t286, { ptr, i64, i64 } %t296)
-  %t297 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t297, ptr %a298
-  call void @finch.copy.S_ast_Node(ptr %a299, ptr %a298)
-  %t300 = load %S.ast.Node, ptr %a299
-  ret %S.ast.Node %t300
+  %t263 = call %S.lexer.Token @finch.parser.next(ptr %t262)
+  store %S.lexer.Token %t263, ptr %a264
+  call void @finch.drop.S_lexer_Token(ptr %a264)
+  %t265 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1042, i64 5, i64 0 }, 0
+  %t266 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
+  %t267 = load %S.ast.Type, ptr %t266
+  store %S.ast.Type %t265, ptr %t266
+  store %S.ast.Type %t267, ptr %a268
+  call void @finch.drop.S_ast_Type(ptr %a268)
+  br label %while.cond1878
+while.cond1878:
+  br label %while.body1879
+while.body1879:
+  %t269 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
+  %t270 = getelementptr inbounds %S.ast.Type, ptr %t269, i32 0, i32 1
+  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t270, i32 0, i32 1
+  %t272 = load ptr, ptr %a1
+  %t273 = call %S.ast.Type @finch.parser.parseType(ptr %t272)
+  %t274 = load i64, ptr %t271
+  %t275 = add i64 %t274, 1
+  call void @finch_arr_reserve(ptr %t270, i64 %t275, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t276 = load ptr, ptr %t270
+  %t277 = getelementptr inbounds %S.ast.Type, ptr %t276, i64 %t274
+  store %S.ast.Type %t273, ptr %t277
+  store i64 %t275, ptr %t271
+  %t278 = load ptr, ptr %a1
+  %t279 = call i1 @finch.parser.accept(ptr %t278, { ptr, i64, i64 } { ptr @.str.1043, i64 1, i64 0 })
+  %t280 = xor i1 %t279, true
+  br i1 %t280, label %then1881, label %endif1883
+then1881:
+  br label %while.end1880
+endif1883:
+  br label %while.cond1878
+while.end1880:
+  %t281 = load ptr, ptr %a1
+  %t282 = call %S.lexer.Token @finch.parser.expect(ptr %t281, { ptr, i64, i64 } { ptr @.str.1044, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1045, i64 28, i64 0 })
+  store %S.lexer.Token %t282, ptr %a283
+  call void @finch.drop.S_lexer_Token(ptr %a283)
+  %t284 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  store { ptr, i64, i64 } { ptr @.str.1046, i64 4, i64 0 }, ptr %t284
+  store { ptr, i64, i64 } %t285, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  %t287 = load ptr, ptr %a1
+  call void @finch.parser.parseArgs(ptr %t287, ptr %a7)
+  %t288 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t288
+endif1877:
+  %t289 = load ptr, ptr %a1
+  %t290 = call i1 @finch.parser.at(ptr %t289, { ptr, i64, i64 } { ptr @.str.1047, i64 1, i64 0 })
+  br label %logic.from1884
+logic.from1884:
+  br i1 %t290, label %logic.rhs1885, label %logic.end1886
+logic.rhs1885:
+  %t291 = load ptr, ptr %a1
+  %t292 = call %S.lexer.Token @finch.parser.cur(ptr %t291)
+  %t293 = extractvalue %S.lexer.Token %t292, 4
+  store %S.lexer.Token %t292, ptr %a294
+  call void @finch.drop.S_lexer_Token(ptr %a294)
+  %t295 = xor i1 %t293, true
+  br label %logic.rend1887
+logic.rend1887:
+  br label %logic.end1886
+logic.end1886:
+  %t296 = phi i1 [ false, %logic.from1884 ], [ %t295, %logic.rend1887 ]
+  br i1 %t296, label %then1888, label %endif1890
+then1888:
+  %t297 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t298 = load { ptr, i64, i64 }, ptr %t297
+  store { ptr, i64, i64 } { ptr @.str.1048, i64 4, i64 0 }, ptr %t297
+  store { ptr, i64, i64 } %t298, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  %t300 = load ptr, ptr %a1
+  call void @finch.parser.parseArgs(ptr %t300, ptr %a7)
+  %t301 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t301
+endif1890:
+  %t302 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t303 = load { ptr, i64, i64 }, ptr %t302
+  store { ptr, i64, i64 } { ptr @.str.1049, i64 3, i64 0 }, ptr %t302
+  store { ptr, i64, i64 } %t303, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t305
+endif1860:
+  %t306 = load ptr, ptr %a1
+  %t307 = load %S.lexer.Token, ptr %a4
+  %t308 = load %S.lexer.Token, ptr %a4
+  %t309 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t308)
+  store { ptr, i64, i64 } { ptr @.str.1050, i64 11, i64 0 }, ptr %a311
+  store { ptr, i64, i64 } %t309, ptr %a312
+  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
+  store { ptr, i64, i64 } %t309, ptr %a313
+  call void @finch_str_drop(ptr %a313)
+  %t314 = load { ptr, i64, i64 }, ptr %a310
+  store { ptr, i64, i64 } %t314, ptr %a316
+  store { ptr, i64, i64 } { ptr @.str.1051, i64 19, i64 0 }, ptr %a317
+  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
+  store { ptr, i64, i64 } %t314, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a315
+  call void @finch.parser.fail(ptr %t306, %S.lexer.Token %t307, { ptr, i64, i64 } %t319)
+  store { ptr, i64, i64 } %t319, ptr %a320
+  call void @finch_str_drop(ptr %a320)
+  %t321 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t321
+}
+
+define internal void @finch.copy.arr_S_lexer_Token(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond1891
+n.cond1891:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body1892, label %n.end1893
+n.body1892:
+  %t8 = getelementptr inbounds %S.lexer.Token, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lexer.Token, ptr %t2, i64 %t6
+  call void @finch.copy.S_lexer_Token(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond1891
+n.end1893:
+  ret void
+}
+
+define internal void @finch.drop.S_parser_Parser(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.parser.Parser, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_lexer_Token(ptr %t1)
+  %t2 = getelementptr inbounds %S.parser.Parser, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t2)
+  ret void
 }
 
 define internal %S.ast.Program @finch.parser.parse({ ptr, i64, i64 } %p0, i64 %p1, { ptr, i64, i64 } %p2) {
@@ -18916,6 +21147,7 @@ entry:
   %t17 = insertvalue %S.parser.Parser %t12, { ptr, i64, i64 } %t16, 4
   store %S.parser.Parser %t17, ptr %a18
   %t19 = call %S.ast.Program @finch.parser.parseProgram(ptr %a18)
+  call void @finch.drop.S_parser_Parser(ptr %a18)
   ret %S.ast.Program %t19
 }
 
@@ -18934,24 +21166,30 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1044, i64 1, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1045, i64 2, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1053, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1054, i64 2, i64 0 }, ptr %a6
   call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.1047, i64 1, i64 0 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1048, i64 2, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1056, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1057, i64 2, i64 0 }, ptr %a11
   call void @finch_str_replace(ptr %a9, ptr %a8, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.1050, i64 1, i64 0 }, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.1051, i64 1, i64 0 }, ptr %a16
-  call void @finch_str_replace(ptr %a14, ptr %a13, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  ret { ptr, i64, i64 } %t17
+  store { ptr, i64, i64 } %t7, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1059, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1060, i64 1, i64 0 }, ptr %a17
+  call void @finch_str_replace(ptr %a15, ptr %a14, ptr %a16, ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a15
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } %t18
 }
 
 define internal void @finch.gen.noteRef(ptr %p0, %S.ast.Node %p1, i64 %p2, i64 %p3, { ptr, i64, i64 } %p4, { ptr, i64, i64 } %p5, i64 %p6, i64 %p7) {
@@ -18970,50 +21208,70 @@ entry:
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -19024,134 +21282,174 @@ entry:
   store i64 %p7, ptr %a8
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic1830, label %ok1831
-panic1830:
-  call void @finch_panic(ptr @.str.1052, i64 195, ptr @.str.1053)
+  br i1 %t10, label %panic1894, label %ok1895
+panic1894:
+  call void @finch_panic(ptr @.str.1061, i64 215, ptr @.str.1062)
   unreachable
-ok1831:
-  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 26
+ok1895:
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 27
   %t12 = load i1, ptr %t11
   %t13 = xor i1 %t12, true
-  br i1 %t13, label %then1832, label %endif1834
-then1832:
+  br i1 %t13, label %then1896, label %endif1898
+then1896:
   ret void
-endif1834:
+endif1898:
   %t14 = load ptr, ptr %a1
   %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic1835, label %ok1836
-panic1835:
-  call void @finch_panic(ptr @.str.1054, i64 198, ptr @.str.1055)
+  br i1 %t15, label %panic1899, label %ok1900
+panic1899:
+  call void @finch_panic(ptr @.str.1063, i64 218, ptr @.str.1064)
   unreachable
-ok1836:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 27
+ok1900:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 28
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic1837, label %ok1838
-panic1837:
-  call void @finch_panic(ptr @.str.1057, i64 198, ptr @.str.1058)
+  br i1 %t19, label %panic1901, label %ok1902
+panic1901:
+  call void @finch_panic(ptr @.str.1066, i64 218, ptr @.str.1067)
   unreachable
-ok1838:
+ok1902:
   %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
   %t22 = load i64, ptr %t21
   %t23 = load { ptr, i64, i64 }, ptr %t20
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 %t22, %t24
-  br i1 %t25, label %range1839, label %inrange1840
-range1839:
-  call void @finch_panic_index(ptr @.str.1059, i64 198, i64 %t22, i64 %t24)
+  br i1 %t25, label %range1903, label %inrange1904
+range1903:
+  call void @finch_panic_index(ptr @.str.1068, i64 218, i64 %t22, i64 %t24)
   unreachable
-inrange1840:
+inrange1904:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i64 %t22
   %t28 = load { ptr, i64, i64 }, ptr %t27
-  store { ptr, i64, i64 } { ptr @.str.1056, i64 3, i64 0 }, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1065, i64 3, i64 0 }, ptr %a30
   store { ptr, i64, i64 } %t28, ptr %a31
   call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
   %t32 = load { ptr, i64, i64 }, ptr %a29
   store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.1060, i64 1, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1069, i64 1, i64 0 }, ptr %a35
   call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t38 = load i64, ptr %t37
-  call void @finch_str_from_int(ptr %a39, i64 %t38)
-  %t40 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t36, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1061, i64 1, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a50, i64 %t49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1062, i64 1, i64 0 }, ptr %a58
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t39 = load i64, ptr %t38
+  call void @finch_str_from_int(ptr %a40, i64 %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t37, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t37, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a42
+  store { ptr, i64, i64 } %t47, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.1070, i64 1, i64 0 }, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a54, i64 %t53)
+  %t55 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a57
+  store { ptr, i64, i64 } %t55, ptr %a58
   call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  %t60 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a61, i64 %t60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.1063, i64 1, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  %t71 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t70, ptr %a73
-  store { ptr, i64, i64 } %t71, ptr %a74
-  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
-  %t75 = load { ptr, i64, i64 }, ptr %a72
+  store { ptr, i64, i64 } %t52, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.1071, i64 1, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a68, i64 %t67)
+  %t69 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t66, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t66, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t69, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a70
   store { ptr, i64, i64 } %t75, ptr %a77
-  store { ptr, i64, i64 } { ptr @.str.1064, i64 1, i64 0 }, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.1072, i64 1, i64 0 }, ptr %a78
   call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  %t80 = load i64, ptr %a7
-  call void @finch_str_from_int(ptr %a81, i64 %t80)
-  %t82 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t80, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t80, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a82
   store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.1065, i64 1, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.1073, i64 1, i64 0 }, ptr %a89
   call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load i64, ptr %a8
-  call void @finch_str_from_int(ptr %a92, i64 %t91)
-  %t93 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.1066, i64 1, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load { ptr, i64, i64 }, ptr %a5
-  %t103 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t102)
-  store { ptr, i64, i64 } %t101, ptr %a105
-  store { ptr, i64, i64 } %t103, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  %t108 = load i64, ptr %t17
-  %t109 = add i64 %t108, 1
-  call void @finch_arr_reserve(ptr %t16, i64 %t109, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t110 = load ptr, ptr %t16
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i64 %t108
-  store { ptr, i64, i64 } %t107, ptr %t111
-  store i64 %t109, ptr %t17
+  store { ptr, i64, i64 } %t86, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a87
+  %t92 = load i64, ptr %a7
+  call void @finch_str_from_int(ptr %a93, i64 %t92)
+  %t94 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a96
+  store { ptr, i64, i64 } %t94, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t91, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  store { ptr, i64, i64 } %t94, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.1074, i64 1, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  %t106 = load i64, ptr %a8
+  call void @finch_str_from_int(ptr %a107, i64 %t106)
+  %t108 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t105, ptr %a110
+  store { ptr, i64, i64 } %t108, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t105, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.1075, i64 1, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load { ptr, i64, i64 }, ptr %a5
+  %t121 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t120)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t119, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  store { ptr, i64, i64 } %t121, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a122
+  %t128 = load i64, ptr %t17
+  %t129 = add i64 %t128, 1
+  call void @finch_arr_reserve(ptr %t16, i64 %t129, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t130 = load ptr, ptr %t16
+  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i64 %t128
+  store { ptr, i64, i64 } %t127, ptr %t131
+  store i64 %t129, ptr %t17
   ret void
 }
 
@@ -19163,241 +21461,290 @@ entry:
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   store %S.gen.FnSig %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   %t3 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 13
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i32 0, i32 1
   %t5 = load i64, ptr %t4
   store i64 0, ptr %a6
-  br label %for.cond1841
-for.cond1841:
+  br label %for.cond1905
+for.cond1905:
   %t7 = load i64, ptr %a6
   %t8 = icmp slt i64 %t7, %t5
-  br i1 %t8, label %for.body1842, label %for.end1844
-for.body1842:
+  br i1 %t8, label %for.body1906, label %for.end1908
+for.body1906:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t10 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 13
   %t11 = load i64, ptr %a6
   %t12 = load { ptr, i64, i64 }, ptr %t10
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range1845, label %inrange1846
-range1845:
-  call void @finch_panic_index(ptr @.str.1067, i64 205, i64 %t11, i64 %t13)
+  br i1 %t14, label %range1909, label %inrange1910
+range1909:
+  call void @finch_panic_index(ptr @.str.1076, i64 225, i64 %t11, i64 %t13)
   unreachable
-inrange1846:
+inrange1910:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 %t11
   %t17 = load %S.ast.Type, ptr %t16
   %t18 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t17)
   store { ptr, i64, i64 } %t18, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1068, i64 1, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1077, i64 1, i64 0 }, ptr %a21
   call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  %t23 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 14
-  %t24 = load i64, ptr %a6
-  %t25 = load { ptr, i64, i64 }, ptr %t23
-  %t26 = extractvalue { ptr, i64, i64 } %t25, 1
-  %t27 = icmp uge i64 %t24, %t26
-  br i1 %t27, label %range1847, label %inrange1848
-range1847:
-  call void @finch_panic_index(ptr @.str.1069, i64 205, i64 %t24, i64 %t26)
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  %t24 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 14
+  %t25 = load i64, ptr %a6
+  %t26 = load { ptr, i64, i64 }, ptr %t24
+  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
+  %t28 = icmp uge i64 %t25, %t27
+  br i1 %t28, label %range1911, label %inrange1912
+range1911:
+  call void @finch_panic_index(ptr @.str.1078, i64 225, i64 %t25, i64 %t27)
   unreachable
-inrange1848:
-  %t28 = extractvalue { ptr, i64, i64 } %t25, 0
-  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t24
-  %t30 = load { ptr, i64, i64 }, ptr %t29
-  store { ptr, i64, i64 } %t22, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load i64, ptr %t9
-  %t36 = add i64 %t35, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t36, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t37 = load ptr, ptr %a2
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t35
-  store { ptr, i64, i64 } %t34, ptr %t38
-  store i64 %t36, ptr %t9
-  br label %for.step1843
-for.step1843:
-  %t39 = load i64, ptr %a6
-  %t40 = add i64 %t39, 1
-  store i64 %t40, ptr %a6
-  br label %for.cond1841
-for.end1844:
-  %t41 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch_str_copy(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t47 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i32 0, i32 1
-  %t49 = load i64, ptr %t48
-  %t50 = icmp sgt i64 %t49, 0
-  br i1 %t50, label %then1849, label %endif1851
-then1849:
-  %t51 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.1070, i64 1, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
-  %t58 = load { ptr, i64, i64 }, ptr %t57
-  store { ptr, i64, i64 } %t56, ptr %a60
-  store { ptr, i64, i64 } %t58, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t62, ptr %a46
-  br label %endif1851
-endif1851:
-  %t63 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1071, i64 3, i64 0 }, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.1072, i64 1, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1073, i64 2, i64 0 }, ptr %a73
-  call void @finch_str_join(ptr %a74, ptr %a2, ptr %a73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t71, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.1074, i64 1, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a84
-  %t85 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 9
-  %t86 = load i1, ptr %t85
-  br i1 %t86, label %then1852, label %else1853
-then1852:
-  %t87 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i32 0, i32 0
-  %t89 = load { ptr, i64, i64 }, ptr %t88
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1075, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then1855, label %else1856
-then1855:
-  %t94 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t94, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.1076, i64 5, i64 0 }, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a84
-  br label %endif1857
-else1856:
-  %t99 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1077, i64 4, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t105 = load %S.ast.Type, ptr %t104
-  %t106 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t105)
-  store { ptr, i64, i64 } %t103, ptr %a108
-  store { ptr, i64, i64 } %t106, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
+inrange1912:
+  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 %t25
+  %t31 = load { ptr, i64, i64 }, ptr %t30
+  store { ptr, i64, i64 } %t23, ptr %a33
+  store { ptr, i64, i64 } %t31, ptr %a34
+  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
+  store { ptr, i64, i64 } %t23, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a32
+  %t37 = load i64, ptr %t9
+  %t38 = add i64 %t37, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t38, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t39 = load ptr, ptr %a2
+  %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t39, i64 %t37
+  store { ptr, i64, i64 } %t36, ptr %t40
+  store i64 %t38, ptr %t9
+  br label %for.step1907
+for.step1907:
+  %t41 = load i64, ptr %a6
+  %t42 = add i64 %t41, 1
+  store i64 %t42, ptr %a6
+  br label %for.cond1905
+for.end1908:
+  %t43 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_copy(ptr %a46, ptr %a45)
+  %t47 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t47, ptr %a48
+  %t49 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
+  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i32 0, i32 1
+  %t51 = load i64, ptr %t50
+  %t52 = icmp sgt i64 %t51, 0
+  br i1 %t52, label %then1913, label %endif1915
+then1913:
+  %t53 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.1079, i64 1, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a55
+  %t59 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  store { ptr, i64, i64 } %t58, ptr %a62
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t58, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  %t66 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } %t65, ptr %a48
+  store { ptr, i64, i64 } %t66, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  br label %endif1915
+endif1915:
+  %t68 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.1080, i64 3, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1081, i64 1, i64 0 }, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1082, i64 2, i64 0 }, ptr %a79
+  call void @finch_str_join(ptr %a80, ptr %a2, ptr %a79)
+  %t81 = load { ptr, i64, i64 }, ptr %a80
+  store { ptr, i64, i64 } %t77, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t77, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  store { ptr, i64, i64 } %t81, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.1083, i64 1, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t92, ptr %a93
+  %t94 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 9
+  %t95 = load i1, ptr %t94
+  br i1 %t95, label %then1916, label %else1917
+then1916:
+  %t96 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
+  %t97 = getelementptr inbounds %S.ast.Type, ptr %t96, i32 0, i32 0
+  %t98 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t98, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.1084, i64 4, i64 0 }, ptr %a100
+  %t101 = call i32 @finch_str_eq(ptr %a99, ptr %a100)
+  %t102 = icmp ne i32 %t101, 0
+  br i1 %t102, label %then1919, label %else1920
+then1919:
+  %t103 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.1085, i64 5, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a104
+  %t108 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t107, ptr %a93
+  store { ptr, i64, i64 } %t108, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  br label %endif1921
+else1920:
+  %t110 = load { ptr, i64, i64 }, ptr %a93
   store { ptr, i64, i64 } %t110, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.1078, i64 1, i64 0 }, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.1086, i64 4, i64 0 }, ptr %a113
   call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
   %t114 = load { ptr, i64, i64 }, ptr %a111
-  store { ptr, i64, i64 } %t114, ptr %a84
-  br label %endif1857
-endif1857:
-  br label %endif1854
-else1853:
   %t115 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i32 0, i32 0
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.1079, i64 4, i64 0 }, ptr %a119
-  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
-  %t121 = icmp eq i32 %t120, 0
-  br i1 %t121, label %then1858, label %endif1860
-then1858:
-  %t122 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t122, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.1080, i64 4, i64 0 }, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  %t127 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t128 = load %S.ast.Type, ptr %t127
-  %t129 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t128)
-  store { ptr, i64, i64 } %t126, ptr %a131
-  store { ptr, i64, i64 } %t129, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t133, ptr %a84
-  br label %endif1860
-endif1860:
-  br label %endif1854
-endif1854:
-  %t134 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t134, ptr %a135
-  call void @finch_str_copy(ptr %a136, ptr %a135)
-  %t137 = load { ptr, i64, i64 }, ptr %a136
-  ret { ptr, i64, i64 } %t137
+  %t116 = load %S.ast.Type, ptr %t115
+  %t117 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t116)
+  store { ptr, i64, i64 } %t114, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t114, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t117, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t123, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.1087, i64 1, i64 0 }, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t128, ptr %a93
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  br label %endif1921
+endif1921:
+  br label %endif1918
+else1917:
+  %t131 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %t131, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.1088, i64 4, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp eq i32 %t136, 0
+  br i1 %t137, label %then1922, label %endif1924
+then1922:
+  %t138 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t138, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.1089, i64 4, i64 0 }, ptr %a141
+  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
+  %t142 = load { ptr, i64, i64 }, ptr %a139
+  %t143 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
+  %t144 = load %S.ast.Type, ptr %t143
+  %t145 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t144)
+  store { ptr, i64, i64 } %t142, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  store { ptr, i64, i64 } %t142, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  store { ptr, i64, i64 } %t145, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a146
+  %t152 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t151, ptr %a93
+  store { ptr, i64, i64 } %t152, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  br label %endif1924
+endif1924:
+  br label %endif1918
+endif1918:
+  %t154 = load { ptr, i64, i64 }, ptr %a93
+  call void @finch_str_drop(ptr %a48)
+  call void @finch.drop.arr_str(ptr %a2)
+  ret { ptr, i64, i64 } %t154
 }
 
 define internal void @finch.gen.noteCall(ptr %p0, %S.ast.Node %p1, %S.gen.FnSig %p2) {
@@ -19416,64 +21763,68 @@ entry:
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.gen.FnSig %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic1861, label %ok1862
-panic1861:
-  call void @finch_panic(ptr @.str.1081, i64 226, ptr @.str.1082)
+  br i1 %t5, label %panic1925, label %ok1926
+panic1925:
+  call void @finch_panic(ptr @.str.1090, i64 246, ptr @.str.1091)
   unreachable
-ok1862:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok1926:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
   %t8 = xor i1 %t7, true
-  br i1 %t8, label %then1863, label %endif1865
-then1863:
+  br i1 %t8, label %then1927, label %endif1929
+then1927:
   ret void
-endif1865:
+endif1929:
   %t9 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
   %t10 = load i64, ptr %t9
   store i64 %t10, ptr %a11
   %t12 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1083, i64 6, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1092, i64 6, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br i1 %t17, label %then1866, label %endif1868
-then1866:
+  br i1 %t17, label %then1930, label %endif1932
+then1930:
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
   %t19 = load i64, ptr %t18
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a11
-  br label %endif1868
-endif1868:
+  br label %endif1932
+endif1932:
   %t21 = load ptr, ptr %a1
   %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic1869, label %ok1870
-panic1869:
-  call void @finch_panic(ptr @.str.1084, i64 233, ptr @.str.1085)
+  br i1 %t22, label %panic1933, label %ok1934
+panic1933:
+  call void @finch_panic(ptr @.str.1093, i64 253, ptr @.str.1094)
   unreachable
-ok1870:
+ok1934:
   %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 0
   %t24 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 16
   %t25 = load i64, ptr %t24
   %t26 = load { ptr, i64, i64 }, ptr %t23
   %t27 = extractvalue { ptr, i64, i64 } %t26, 1
   %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range1871, label %inrange1872
-range1871:
-  call void @finch_panic_index(ptr @.str.1086, i64 233, i64 %t25, i64 %t27)
+  br i1 %t28, label %range1935, label %inrange1936
+range1935:
+  call void @finch_panic_index(ptr @.str.1095, i64 253, i64 %t25, i64 %t27)
   unreachable
-inrange1872:
+inrange1936:
   %t29 = extractvalue { ptr, i64, i64 } %t26, 0
   %t30 = getelementptr inbounds %S.ast.Program, ptr %t29, i64 %t25
   %t31 = getelementptr inbounds %S.ast.Program, ptr %t30, i32 0, i32 8
@@ -19482,11 +21833,11 @@ inrange1872:
   %t34 = load { ptr, i64, i64 }, ptr %t31
   %t35 = extractvalue { ptr, i64, i64 } %t34, 1
   %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range1873, label %inrange1874
-range1873:
-  call void @finch_panic_index(ptr @.str.1087, i64 233, i64 %t33, i64 %t35)
+  br i1 %t36, label %range1937, label %inrange1938
+range1937:
+  call void @finch_panic_index(ptr @.str.1096, i64 253, i64 %t33, i64 %t35)
   unreachable
-inrange1874:
+inrange1938:
   %t37 = extractvalue { ptr, i64, i64 } %t34, 0
   %t38 = getelementptr inbounds %S.ast.Node, ptr %t37, i64 %t33
   %t39 = load %S.ast.Node, ptr %t38
@@ -19504,71 +21855,82 @@ inrange1874:
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i32 0, i32 1
   %t52 = load i64, ptr %t51
   %t53 = icmp sgt i64 %t52, 0
-  br label %logic.from1875
-logic.from1875:
-  br i1 %t53, label %logic.rhs1876, label %logic.end1877
-logic.rhs1876:
+  br label %logic.from1939
+logic.from1939:
+  br i1 %t53, label %logic.rhs1940, label %logic.end1941
+logic.rhs1940:
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 2
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = icmp eq i64 %t56, 0
-  br label %logic.rend1878
-logic.rend1878:
-  br label %logic.end1877
-logic.end1877:
-  %t58 = phi i1 [ false, %logic.from1875 ], [ %t57, %logic.rend1878 ]
-  br i1 %t58, label %then1879, label %endif1881
-then1879:
+  br label %logic.rend1942
+logic.rend1942:
+  br label %logic.end1941
+logic.end1941:
+  %t58 = phi i1 [ false, %logic.from1939 ], [ %t57, %logic.rend1942 ]
+  br i1 %t58, label %then1943, label %endif1945
+then1943:
   %t59 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
   %t60 = load { ptr, i64, i64 }, ptr %t59
   store { ptr, i64, i64 } %t60, ptr %a61
   call void @finch_str_copy(ptr %a62, ptr %a61)
   %t63 = load { ptr, i64, i64 }, ptr %a62
+  %t64 = load { ptr, i64, i64 }, ptr %a49
   store { ptr, i64, i64 } %t63, ptr %a49
-  br label %endif1881
-endif1881:
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.ast.Node, ptr %a2
-  %t66 = load i64, ptr %a11
-  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %a49, i32 0, i32 1
-  %t68 = load i64, ptr %t67
-  %t69 = load %S.gen.FnSig, ptr %a3
-  %t70 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t69)
-  store { ptr, i64, i64 } { ptr @.str.1088, i64 9, i64 0 }, ptr %a72
-  store { ptr, i64, i64 } %t70, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t74, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.1089, i64 4, i64 0 }, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = load ptr, ptr %a1
-  %t80 = icmp eq ptr %t79, null
-  br i1 %t80, label %panic1882, label %ok1883
-panic1882:
-  call void @finch_panic(ptr @.str.1090, i64 238, ptr @.str.1091)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  br label %endif1945
+endif1945:
+  %t66 = load ptr, ptr %a1
+  %t67 = load %S.ast.Node, ptr %a2
+  %t68 = load i64, ptr %a11
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a49, i32 0, i32 1
+  %t70 = load i64, ptr %t69
+  %t71 = load %S.gen.FnSig, ptr %a3
+  %t72 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t71)
+  store { ptr, i64, i64 } { ptr @.str.1097, i64 9, i64 0 }, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.1098, i64 4, i64 0 }, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load ptr, ptr %a1
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic1946, label %ok1947
+panic1946:
+  call void @finch_panic(ptr @.str.1099, i64 258, ptr @.str.1100)
   unreachable
-ok1883:
-  %t81 = getelementptr inbounds %S.gen.Gen, ptr %t79, i32 0, i32 1
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 13
-  %t83 = load i64, ptr %t82
-  %t84 = load { ptr, i64, i64 }, ptr %t81
-  %t85 = extractvalue { ptr, i64, i64 } %t84, 1
-  %t86 = icmp uge i64 %t83, %t85
-  br i1 %t86, label %range1884, label %inrange1885
-range1884:
-  call void @finch_panic_index(ptr @.str.1092, i64 238, i64 %t83, i64 %t85)
+ok1947:
+  %t85 = getelementptr inbounds %S.gen.Gen, ptr %t83, i32 0, i32 1
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 13
+  %t87 = load i64, ptr %t86
+  %t88 = load { ptr, i64, i64 }, ptr %t85
+  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
+  %t90 = icmp uge i64 %t87, %t89
+  br i1 %t90, label %range1948, label %inrange1949
+range1948:
+  call void @finch_panic_index(ptr @.str.1101, i64 258, i64 %t87, i64 %t89)
   unreachable
-inrange1885:
-  %t87 = extractvalue { ptr, i64, i64 } %t84, 0
-  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 %t83
-  %t89 = load { ptr, i64, i64 }, ptr %t88
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 11
-  %t91 = load i64, ptr %t90
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 12
-  %t93 = load i64, ptr %t92
-  %t94 = add i64 %t93, 3
-  call void @finch.gen.noteRef(ptr %t64, %S.ast.Node %t65, i64 %t66, i64 %t68, { ptr, i64, i64 } %t78, { ptr, i64, i64 } %t89, i64 %t91, i64 %t94)
+inrange1949:
+  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 %t87
+  %t93 = load { ptr, i64, i64 }, ptr %t92
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 11
+  %t95 = load i64, ptr %t94
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 12
+  %t97 = load i64, ptr %t96
+  %t98 = add i64 %t97, 3
+  call void @finch.gen.noteRef(ptr %t66, %S.ast.Node %t67, i64 %t68, i64 %t70, { ptr, i64, i64 } %t82, { ptr, i64, i64 } %t93, i64 %t95, i64 %t98)
+  store { ptr, i64, i64 } %t82, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a49)
+  call void @finch.drop.S_ast_Node(ptr %a43)
   ret void
 }
 
@@ -19623,6 +21985,43 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_bool(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_FnSig(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_S_ast_Type(ptr %t6)
+  %t7 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 8
+  call void @finch_str_drop(ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 11
+  call void @finch_str_drop(ptr %t8)
+  %t9 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 12
+  call void @finch.drop.S_ast_Type(ptr %t9)
+  %t10 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 13
+  call void @finch.drop.arr_S_ast_Type(ptr %t10)
+  %t11 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 14
+  call void @finch.drop.arr_str(ptr %t11)
+  %t12 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 15
+  call void @finch.drop.arr_bool(ptr %t12)
+  ret void
+}
+
 define internal void @finch.copy.S_gen_Template(ptr %dst, ptr %src) {
 entry:
 
@@ -19643,6 +22042,20 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Template(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  ret void
+}
+
 define internal void @finch.copy.arr_int(ptr %dst, ptr %src) {
 entry:
 
@@ -19688,6 +22101,39 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_int(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_StructDef(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_int(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_int(ptr %t4)
+  %t5 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 5
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_S_ast_Type(ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 8
+  call void @finch_str_drop(ptr %t8)
+  %t9 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 11
+  call void @finch.drop.arr_str(ptr %t9)
+  %t10 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 12
+  call void @finch.drop.arr_S_ast_Type(ptr %t10)
+  ret void
+}
+
 define internal void @finch.gen.indexAll(ptr %p0, { ptr, i64, i64 } %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -19709,44 +22155,49 @@ entry:
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
@@ -19754,224 +22205,297 @@ entry:
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca i64, align 16
-  %a233 = alloca %S.gen.Template, align 16
-  %a234 = alloca %S.gen.Template, align 16
-  %a236 = alloca %S.gen.Template, align 16
-  %a258 = alloca %S.ast.Node, align 16
-  %a259 = alloca %S.ast.Node, align 16
-  %a261 = alloca %S.ast.Node, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca i64, align 16
+  %a257 = alloca %S.gen.Template, align 16
+  %a258 = alloca %S.gen.Template, align 16
+  %a260 = alloca %S.gen.Template, align 16
+  %a282 = alloca %S.ast.Node, align 16
+  %a283 = alloca %S.ast.Node, align 16
+  %a285 = alloca %S.ast.Node, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
   %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
   %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
   %a343 = alloca { ptr, i64, i64 }, align 16
   %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
   %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
   %a353 = alloca { ptr, i64, i64 }, align 16
   %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
   %a357 = alloca { ptr, i64, i64 }, align 16
   %a358 = alloca { ptr, i64, i64 }, align 16
   %a359 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
   %a367 = alloca { ptr, i64, i64 }, align 16
   %a368 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
   %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca i64, align 16
-  %a400 = alloca %S.gen.StructDef, align 16
-  %a401 = alloca %S.gen.StructDef, align 16
-  %a403 = alloca %S.gen.StructDef, align 16
-  %a430 = alloca %S.ast.Node, align 16
-  %a431 = alloca %S.ast.Node, align 16
-  %a433 = alloca %S.ast.Node, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a454 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a473 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a479 = alloca { ptr, i64, i64 }, align 16
-  %a481 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
-  %a487 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca i64, align 16
+  %a448 = alloca %S.gen.StructDef, align 16
+  %a449 = alloca %S.gen.StructDef, align 16
+  %a451 = alloca %S.gen.StructDef, align 16
+  %a478 = alloca %S.ast.Node, align 16
+  %a479 = alloca %S.ast.Node, align 16
+  %a481 = alloca %S.ast.Node, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
   %a494 = alloca { ptr, i64, i64 }, align 16
   %a495 = alloca { ptr, i64, i64 }, align 16
-  %a504 = alloca i64, align 16
-  %a513 = alloca { ptr, i64, i64 }, align 16
-  %a514 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
   %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
   %a525 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
   %a527 = alloca { ptr, i64, i64 }, align 16
   %a528 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
   %a540 = alloca { ptr, i64, i64 }, align 16
   %a541 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
   %a543 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca { ptr, i64, i64 }, align 16
-  %a556 = alloca { ptr, i64, i64 }, align 16
-  %a557 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca i64, align 16
-  %a586 = alloca i64, align 16
-  %a594 = alloca %S.ast.Node, align 16
-  %a595 = alloca %S.ast.Node, align 16
-  %a597 = alloca %S.ast.Node, align 16
-  %a598 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca i64, align 16
-  %a609 = alloca %S.ast.Node, align 16
-  %a613 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca i64, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a602 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca { ptr, i64, i64 }, align 16
+  %a621 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
   %a623 = alloca { ptr, i64, i64 }, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a643 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a647 = alloca { ptr, i64, i64 }, align 16
-  %a651 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a655 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a670 = alloca { ptr, i64, i64 }, align 16
-  %a671 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca { ptr, i64, i64 }, align 16
-  %a674 = alloca { ptr, i64, i64 }, align 16
-  %a675 = alloca { ptr, i64, i64 }, align 16
-  %a676 = alloca { ptr, i64, i64 }, align 16
-  %a680 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
-  %a683 = alloca { ptr, i64, i64 }, align 16
-  %a684 = alloca { ptr, i64, i64 }, align 16
-  %a686 = alloca { ptr, i64, i64 }, align 16
-  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca i64, align 16
+  %a651 = alloca i64, align 16
+  %a659 = alloca %S.ast.Node, align 16
+  %a660 = alloca %S.ast.Node, align 16
+  %a662 = alloca %S.ast.Node, align 16
+  %a663 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca i64, align 16
+  %a674 = alloca %S.ast.Node, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
   %a688 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
   %a692 = alloca { ptr, i64, i64 }, align 16
-  %a694 = alloca { ptr, i64, i64 }, align 16
-  %a695 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
-  %a704 = alloca { ptr, i64, i64 }, align 16
-  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a708 = alloca { ptr, i64, i64 }, align 16
+  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
+  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a713 = alloca { ptr, i64, i64 }, align 16
+  %a714 = alloca { ptr, i64, i64 }, align 16
+  %a715 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a721 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a727 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
+  %a741 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a745 = alloca { ptr, i64, i64 }, align 16
+  %a746 = alloca { ptr, i64, i64 }, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a763 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a772 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a777 = alloca { ptr, i64, i64 }, align 16
+  %a778 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond1886
-each.cond1886:
+  br label %each.cond1950
+each.cond1950:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body1887, label %each.end1889
-each.body1887:
+  br i1 %t7, label %each.body1951, label %each.end1953
+each.body1951:
   %t8 = load ptr, ptr %a2
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i64 %t6
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic1890, label %ok1891
-panic1890:
-  call void @finch_panic(ptr @.str.1093, i64 244, ptr @.str.1094)
+  br i1 %t13, label %panic1954, label %ok1955
+panic1954:
+  call void @finch_panic(ptr @.str.1102, i64 264, ptr @.str.1103)
   unreachable
-ok1891:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 27
+ok1955:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 28
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1095, i64 3, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1104, i64 3, i64 0 }, ptr %a18
   store { ptr, i64, i64 } %t16, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
   %t20 = load { ptr, i64, i64 }, ptr %a17
@@ -19982,30 +22506,30 @@ ok1891:
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i64 %t21
   store { ptr, i64, i64 } %t20, ptr %t24
   store i64 %t22, ptr %t15
-  br label %each.step1888
-each.step1888:
+  br label %each.step1952
+each.step1952:
   %t25 = load i64, ptr %a3
   %t26 = add i64 %t25, 1
   store i64 %t26, ptr %a3
-  br label %each.cond1886
-each.end1889:
+  br label %each.cond1950
+each.end1953:
   %t27 = load ptr, ptr %a1
   %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic1892, label %ok1893
-panic1892:
-  call void @finch_panic(ptr @.str.1096, i64 246, ptr @.str.1097)
+  br i1 %t28, label %panic1956, label %ok1957
+panic1956:
+  call void @finch_panic(ptr @.str.1105, i64 266, ptr @.str.1106)
   unreachable
-ok1893:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 14
+ok1957:
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 15
   store i64 0, ptr %a30
-  br label %each.cond1894
-each.cond1894:
+  br label %each.cond1958
+each.cond1958:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
   %t32 = load i64, ptr %t31
   %t33 = load i64, ptr %a30
   %t34 = icmp slt i64 %t33, %t32
-  br i1 %t34, label %each.body1895, label %each.end1897
-each.body1895:
+  br i1 %t34, label %each.body1959, label %each.end1961
+each.body1959:
   %t35 = load ptr, ptr %t29
   %t36 = getelementptr inbounds %S.gen.FnSig, ptr %t35, i64 %t33
   %t37 = load %S.gen.FnSig, ptr %t36
@@ -20015,22 +22539,22 @@ each.body1895:
   store %S.gen.FnSig %t40, ptr %a41
   %t42 = load ptr, ptr %a1
   %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic1898, label %ok1899
-panic1898:
-  call void @finch_panic(ptr @.str.1098, i64 247, ptr @.str.1099)
+  br i1 %t43, label %panic1962, label %ok1963
+panic1962:
+  call void @finch_panic(ptr @.str.1107, i64 267, ptr @.str.1108)
   unreachable
-ok1899:
+ok1963:
   %t44 = getelementptr inbounds %S.gen.Gen, ptr %t42, i32 0, i32 0
   %t45 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 16
   %t46 = load i64, ptr %t45
   %t47 = load { ptr, i64, i64 }, ptr %t44
   %t48 = extractvalue { ptr, i64, i64 } %t47, 1
   %t49 = icmp uge i64 %t46, %t48
-  br i1 %t49, label %range1900, label %inrange1901
-range1900:
-  call void @finch_panic_index(ptr @.str.1100, i64 247, i64 %t46, i64 %t48)
+  br i1 %t49, label %range1964, label %inrange1965
+range1964:
+  call void @finch_panic_index(ptr @.str.1109, i64 267, i64 %t46, i64 %t48)
   unreachable
-inrange1901:
+inrange1965:
   %t50 = extractvalue { ptr, i64, i64 } %t47, 0
   %t51 = getelementptr inbounds %S.ast.Program, ptr %t50, i64 %t46
   %t52 = getelementptr inbounds %S.ast.Program, ptr %t51, i32 0, i32 8
@@ -20039,11 +22563,11 @@ inrange1901:
   %t55 = load { ptr, i64, i64 }, ptr %t52
   %t56 = extractvalue { ptr, i64, i64 } %t55, 1
   %t57 = icmp uge i64 %t54, %t56
-  br i1 %t57, label %range1902, label %inrange1903
-range1902:
-  call void @finch_panic_index(ptr @.str.1101, i64 247, i64 %t54, i64 %t56)
+  br i1 %t57, label %range1966, label %inrange1967
+range1966:
+  call void @finch_panic_index(ptr @.str.1110, i64 267, i64 %t54, i64 %t56)
   unreachable
-inrange1903:
+inrange1967:
   %t58 = extractvalue { ptr, i64, i64 } %t55, 0
   %t59 = getelementptr inbounds %S.ast.Node, ptr %t58, i64 %t54
   %t60 = load %S.ast.Node, ptr %t59
@@ -20055,912 +22579,1083 @@ inrange1903:
   %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i32 0, i32 1
   %t67 = load i64, ptr %t66
   %t68 = icmp sgt i64 %t67, 0
-  br i1 %t68, label %then1904, label %endif1906
-then1904:
-  br label %each.step1896
-endif1906:
+  br i1 %t68, label %then1968, label %endif1970
+then1968:
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  call void @finch.drop.S_gen_FnSig(ptr %a41)
+  br label %each.step1960
+endif1970:
   store { ptr, i64, i64 } zeroinitializer, ptr %a69
   %t70 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 13
   %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
   %t72 = load i64, ptr %t71
   store i64 0, ptr %a73
-  br label %for.cond1907
-for.cond1907:
+  br label %for.cond1971
+for.cond1971:
   %t74 = load i64, ptr %a73
   %t75 = icmp slt i64 %t74, %t72
-  br i1 %t75, label %for.body1908, label %for.end1910
-for.body1908:
+  br i1 %t75, label %for.body1972, label %for.end1974
+for.body1972:
   %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %a69, i32 0, i32 1
   %t77 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 13
   %t78 = load i64, ptr %a73
   %t79 = load { ptr, i64, i64 }, ptr %t77
   %t80 = extractvalue { ptr, i64, i64 } %t79, 1
   %t81 = icmp uge i64 %t78, %t80
-  br i1 %t81, label %range1911, label %inrange1912
-range1911:
-  call void @finch_panic_index(ptr @.str.1102, i64 253, i64 %t78, i64 %t80)
+  br i1 %t81, label %range1975, label %inrange1976
+range1975:
+  call void @finch_panic_index(ptr @.str.1111, i64 273, i64 %t78, i64 %t80)
   unreachable
-inrange1912:
+inrange1976:
   %t82 = extractvalue { ptr, i64, i64 } %t79, 0
   %t83 = getelementptr inbounds %S.ast.Type, ptr %t82, i64 %t78
   %t84 = load %S.ast.Type, ptr %t83
   %t85 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t84)
   store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.1103, i64 1, i64 0 }, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.1112, i64 1, i64 0 }, ptr %a88
   call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 14
-  %t91 = load i64, ptr %a73
-  %t92 = load { ptr, i64, i64 }, ptr %t90
-  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
-  %t94 = icmp uge i64 %t91, %t93
-  br i1 %t94, label %range1913, label %inrange1914
-range1913:
-  call void @finch_panic_index(ptr @.str.1104, i64 253, i64 %t91, i64 %t93)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 14
+  %t92 = load i64, ptr %a73
+  %t93 = load { ptr, i64, i64 }, ptr %t91
+  %t94 = extractvalue { ptr, i64, i64 } %t93, 1
+  %t95 = icmp uge i64 %t92, %t94
+  br i1 %t95, label %range1977, label %inrange1978
+range1977:
+  call void @finch_panic_index(ptr @.str.1113, i64 273, i64 %t92, i64 %t94)
   unreachable
-inrange1914:
-  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
-  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i64 %t91
-  %t97 = load { ptr, i64, i64 }, ptr %t96
-  store { ptr, i64, i64 } %t89, ptr %a99
-  store { ptr, i64, i64 } %t97, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load i64, ptr %t76
-  %t103 = add i64 %t102, 1
-  call void @finch_arr_reserve(ptr %a69, i64 %t103, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t104 = load ptr, ptr %a69
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 %t102
-  store { ptr, i64, i64 } %t101, ptr %t105
-  store i64 %t103, ptr %t76
-  br label %for.step1909
-for.step1909:
-  %t106 = load i64, ptr %a73
-  %t107 = add i64 %t106, 1
-  store i64 %t107, ptr %a73
-  br label %for.cond1907
-for.end1910:
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic1915, label %ok1916
-panic1915:
-  call void @finch_panic(ptr @.str.1105, i64 255, ptr @.str.1106)
+inrange1978:
+  %t96 = extractvalue { ptr, i64, i64 } %t93, 0
+  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i64 %t92
+  %t98 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t90, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t90, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  %t104 = load i64, ptr %t76
+  %t105 = add i64 %t104, 1
+  call void @finch_arr_reserve(ptr %a69, i64 %t105, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t106 = load ptr, ptr %a69
+  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i64 %t104
+  store { ptr, i64, i64 } %t103, ptr %t107
+  store i64 %t105, ptr %t76
+  br label %for.step1973
+for.step1973:
+  %t108 = load i64, ptr %a73
+  %t109 = add i64 %t108, 1
+  store i64 %t109, ptr %a73
+  br label %for.cond1971
+for.end1974:
+  %t110 = load ptr, ptr %a1
+  %t111 = icmp eq ptr %t110, null
+  br i1 %t111, label %panic1979, label %ok1980
+panic1979:
+  call void @finch_panic(ptr @.str.1114, i64 275, ptr @.str.1115)
   unreachable
-ok1916:
-  %t110 = getelementptr inbounds %S.gen.Gen, ptr %t108, i32 0, i32 27
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i32 0, i32 1
-  %t112 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 0
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } { ptr @.str.1107, i64 3, i64 0 }, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.1108, i64 1, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 1
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  store { ptr, i64, i64 } %t121, ptr %a125
-  store { ptr, i64, i64 } %t123, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  store { ptr, i64, i64 } %t127, ptr %a129
-  store { ptr, i64, i64 } { ptr @.str.1109, i64 1, i64 0 }, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  %t132 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 2
-  %t133 = load { ptr, i64, i64 }, ptr %t132
+ok1980:
+  %t112 = getelementptr inbounds %S.gen.Gen, ptr %t110, i32 0, i32 28
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
+  %t114 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 0
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } { ptr @.str.1116, i64 3, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1117, i64 1, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 1
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t124, ptr %a128
+  store { ptr, i64, i64 } %t126, ptr %a129
+  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
+  store { ptr, i64, i64 } %t124, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load { ptr, i64, i64 }, ptr %a127
+  store { ptr, i64, i64 } %t131, ptr %a133
+  store { ptr, i64, i64 } { ptr @.str.1118, i64 1, i64 0 }, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
   store { ptr, i64, i64 } %t131, ptr %a135
-  store { ptr, i64, i64 } %t133, ptr %a136
-  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
-  %t137 = load { ptr, i64, i64 }, ptr %a134
-  store { ptr, i64, i64 } %t137, ptr %a139
-  store { ptr, i64, i64 } { ptr @.str.1110, i64 1, i64 0 }, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  %t142 = load ptr, ptr %a1
-  %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic1917, label %ok1918
-panic1917:
-  call void @finch_panic(ptr @.str.1111, i64 255, ptr @.str.1112)
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  %t137 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 2
+  %t138 = load { ptr, i64, i64 }, ptr %t137
+  store { ptr, i64, i64 } %t136, ptr %a140
+  store { ptr, i64, i64 } %t138, ptr %a141
+  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
+  store { ptr, i64, i64 } %t136, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a139
+  store { ptr, i64, i64 } %t143, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.1119, i64 1, i64 0 }, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  store { ptr, i64, i64 } %t143, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  %t148 = load { ptr, i64, i64 }, ptr %a144
+  %t149 = load ptr, ptr %a1
+  %t150 = icmp eq ptr %t149, null
+  br i1 %t150, label %panic1981, label %ok1982
+panic1981:
+  call void @finch_panic(ptr @.str.1120, i64 275, ptr @.str.1121)
   unreachable
-ok1918:
-  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 1
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 13
-  %t146 = load i64, ptr %t145
-  %t147 = load { ptr, i64, i64 }, ptr %t144
-  %t148 = extractvalue { ptr, i64, i64 } %t147, 1
-  %t149 = icmp uge i64 %t146, %t148
-  br i1 %t149, label %range1919, label %inrange1920
-range1919:
-  call void @finch_panic_index(ptr @.str.1113, i64 255, i64 %t146, i64 %t148)
+ok1982:
+  %t151 = getelementptr inbounds %S.gen.Gen, ptr %t149, i32 0, i32 1
+  %t152 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 13
+  %t153 = load i64, ptr %t152
+  %t154 = load { ptr, i64, i64 }, ptr %t151
+  %t155 = extractvalue { ptr, i64, i64 } %t154, 1
+  %t156 = icmp uge i64 %t153, %t155
+  br i1 %t156, label %range1983, label %inrange1984
+range1983:
+  call void @finch_panic_index(ptr @.str.1122, i64 275, i64 %t153, i64 %t155)
   unreachable
-inrange1920:
-  %t150 = extractvalue { ptr, i64, i64 } %t147, 0
-  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t146
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t141, ptr %a154
-  store { ptr, i64, i64 } %t152, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t156, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.1114, i64 1, i64 0 }, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  %t161 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 11
-  %t162 = load i64, ptr %t161
-  call void @finch_str_from_int(ptr %a163, i64 %t162)
-  %t164 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t160, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
+inrange1984:
+  %t157 = extractvalue { ptr, i64, i64 } %t154, 0
+  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t157, i64 %t153
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t148, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a162
+  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
+  store { ptr, i64, i64 } %t148, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a160
+  store { ptr, i64, i64 } %t164, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.1123, i64 1, i64 0 }, ptr %a167
   call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } %t168, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.1115, i64 1, i64 0 }, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  %t173 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 12
-  %t174 = load i64, ptr %t173
-  call void @finch_str_from_int(ptr %a175, i64 %t174)
-  %t176 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } %t172, ptr %a178
-  store { ptr, i64, i64 } %t176, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t180, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.1116, i64 1, i64 0 }, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  %t185 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 14
+  store { ptr, i64, i64 } %t164, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a165
+  %t170 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 11
+  %t171 = load i64, ptr %t170
+  call void @finch_str_from_int(ptr %a172, i64 %t171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  store { ptr, i64, i64 } %t169, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t169, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  store { ptr, i64, i64 } %t173, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.1124, i64 1, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  store { ptr, i64, i64 } %t179, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a180
+  %t185 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 12
   %t186 = load i64, ptr %t185
   call void @finch_str_from_int(ptr %a187, i64 %t186)
   %t188 = load { ptr, i64, i64 }, ptr %a187
   store { ptr, i64, i64 } %t184, ptr %a190
   store { ptr, i64, i64 } %t188, ptr %a191
   call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.1117, i64 1, i64 0 }, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load %S.gen.FnSig, ptr %a41
-  %t198 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t197)
-  %t199 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t198)
-  store { ptr, i64, i64 } %t196, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.1118, i64 1, i64 0 }, ptr %a206
+  store { ptr, i64, i64 } %t184, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  store { ptr, i64, i64 } %t188, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t194, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.1125, i64 1, i64 0 }, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t194, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  %t200 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 14
+  %t201 = load i64, ptr %t200
+  call void @finch_str_from_int(ptr %a202, i64 %t201)
+  %t203 = load { ptr, i64, i64 }, ptr %a202
+  store { ptr, i64, i64 } %t199, ptr %a205
+  store { ptr, i64, i64 } %t203, ptr %a206
   call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %a69, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1119, i64 1, i64 0 }, ptr %a209
-  call void @finch_str_join(ptr %a210, ptr %a69, ptr %a209)
-  %t211 = load { ptr, i64, i64 }, ptr %a210
-  store { ptr, i64, i64 } %t207, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  %t216 = load i64, ptr %t111
-  %t217 = add i64 %t216, 1
-  call void @finch_arr_reserve(ptr %t110, i64 %t217, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t218 = load ptr, ptr %t110
-  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i64 %t216
-  store { ptr, i64, i64 } %t215, ptr %t219
-  store i64 %t217, ptr %t111
-  br label %each.step1896
-each.step1896:
-  %t220 = load i64, ptr %a30
-  %t221 = add i64 %t220, 1
-  store i64 %t221, ptr %a30
-  br label %each.cond1894
-each.end1897:
-  %t222 = load ptr, ptr %a1
-  %t223 = icmp eq ptr %t222, null
-  br i1 %t223, label %panic1921, label %ok1922
-panic1921:
-  call void @finch_panic(ptr @.str.1120, i64 257, ptr @.str.1121)
+  store { ptr, i64, i64 } %t199, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  store { ptr, i64, i64 } %t203, ptr %a208
+  call void @finch_str_drop(ptr %a208)
+  %t209 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t209, ptr %a211
+  store { ptr, i64, i64 } { ptr @.str.1126, i64 1, i64 0 }, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  store { ptr, i64, i64 } %t209, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  %t214 = load { ptr, i64, i64 }, ptr %a210
+  %t215 = load %S.gen.FnSig, ptr %a41
+  %t216 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t215)
+  %t217 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t216)
+  store { ptr, i64, i64 } %t216, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  store { ptr, i64, i64 } %t214, ptr %a220
+  store { ptr, i64, i64 } %t217, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t214, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  store { ptr, i64, i64 } %t217, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t224, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.1127, i64 1, i64 0 }, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t224, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %a69, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1128, i64 1, i64 0 }, ptr %a231
+  call void @finch_str_join(ptr %a232, ptr %a69, ptr %a231)
+  %t233 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } %t229, ptr %a235
+  store { ptr, i64, i64 } %t233, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t229, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  store { ptr, i64, i64 } %t233, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a234
+  %t240 = load i64, ptr %t113
+  %t241 = add i64 %t240, 1
+  call void @finch_arr_reserve(ptr %t112, i64 %t241, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t242 = load ptr, ptr %t112
+  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i64 %t240
+  store { ptr, i64, i64 } %t239, ptr %t243
+  store i64 %t241, ptr %t113
+  call void @finch.drop.arr_str(ptr %a69)
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  call void @finch.drop.S_gen_FnSig(ptr %a41)
+  br label %each.step1960
+each.step1960:
+  %t244 = load i64, ptr %a30
+  %t245 = add i64 %t244, 1
+  store i64 %t245, ptr %a30
+  br label %each.cond1958
+each.end1961:
+  %t246 = load ptr, ptr %a1
+  %t247 = icmp eq ptr %t246, null
+  br i1 %t247, label %panic1985, label %ok1986
+panic1985:
+  call void @finch_panic(ptr @.str.1129, i64 277, ptr @.str.1130)
   unreachable
-ok1922:
-  %t224 = getelementptr inbounds %S.gen.Gen, ptr %t222, i32 0, i32 16
-  store i64 0, ptr %a225
-  br label %each.cond1923
-each.cond1923:
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i32 0, i32 1
-  %t227 = load i64, ptr %t226
-  %t228 = load i64, ptr %a225
-  %t229 = icmp slt i64 %t228, %t227
-  br i1 %t229, label %each.body1924, label %each.end1926
-each.body1924:
-  %t230 = load ptr, ptr %t224
-  %t231 = getelementptr inbounds %S.gen.Template, ptr %t230, i64 %t228
-  %t232 = load %S.gen.Template, ptr %t231
-  store %S.gen.Template %t232, ptr %a233
-  call void @finch.copy.S_gen_Template(ptr %a234, ptr %a233)
-  %t235 = load %S.gen.Template, ptr %a234
-  store %S.gen.Template %t235, ptr %a236
-  %t237 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 6
-  %t238 = load i1, ptr %t237
-  br i1 %t238, label %then1927, label %endif1929
-then1927:
-  br label %each.step1925
-endif1929:
-  %t239 = load ptr, ptr %a1
-  %t240 = icmp eq ptr %t239, null
-  br i1 %t240, label %panic1930, label %ok1931
-panic1930:
-  call void @finch_panic(ptr @.str.1122, i64 261, ptr @.str.1123)
-  unreachable
-ok1931:
-  %t241 = getelementptr inbounds %S.gen.Gen, ptr %t239, i32 0, i32 0
-  %t242 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 4
-  %t243 = load i64, ptr %t242
-  %t244 = load { ptr, i64, i64 }, ptr %t241
-  %t245 = extractvalue { ptr, i64, i64 } %t244, 1
-  %t246 = icmp uge i64 %t243, %t245
-  br i1 %t246, label %range1932, label %inrange1933
-range1932:
-  call void @finch_panic_index(ptr @.str.1124, i64 261, i64 %t243, i64 %t245)
-  unreachable
-inrange1933:
-  %t247 = extractvalue { ptr, i64, i64 } %t244, 0
-  %t248 = getelementptr inbounds %S.ast.Program, ptr %t247, i64 %t243
-  %t249 = getelementptr inbounds %S.ast.Program, ptr %t248, i32 0, i32 8
-  %t250 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 5
-  %t251 = load i64, ptr %t250
-  %t252 = load { ptr, i64, i64 }, ptr %t249
-  %t253 = extractvalue { ptr, i64, i64 } %t252, 1
-  %t254 = icmp uge i64 %t251, %t253
-  br i1 %t254, label %range1934, label %inrange1935
-range1934:
-  call void @finch_panic_index(ptr @.str.1125, i64 261, i64 %t251, i64 %t253)
-  unreachable
-inrange1935:
-  %t255 = extractvalue { ptr, i64, i64 } %t252, 0
-  %t256 = getelementptr inbounds %S.ast.Node, ptr %t255, i64 %t251
-  %t257 = load %S.ast.Node, ptr %t256
-  store %S.ast.Node %t257, ptr %a258
-  call void @finch.copy.S_ast_Node(ptr %a259, ptr %a258)
-  %t260 = load %S.ast.Node, ptr %a259
-  store %S.ast.Node %t260, ptr %a261
-  %t262 = load ptr, ptr %a1
-  %t263 = icmp eq ptr %t262, null
-  br i1 %t263, label %panic1936, label %ok1937
-panic1936:
-  call void @finch_panic(ptr @.str.1126, i64 262, ptr @.str.1127)
-  unreachable
-ok1937:
-  %t264 = getelementptr inbounds %S.gen.Gen, ptr %t262, i32 0, i32 27
-  %t265 = getelementptr inbounds { ptr, i64, i64 }, ptr %t264, i32 0, i32 1
-  %t266 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 0
-  %t267 = load { ptr, i64, i64 }, ptr %t266
-  store { ptr, i64, i64 } { ptr @.str.1128, i64 3, i64 0 }, ptr %a269
-  store { ptr, i64, i64 } %t267, ptr %a270
-  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
-  %t271 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t271, ptr %a273
-  store { ptr, i64, i64 } { ptr @.str.1129, i64 1, i64 0 }, ptr %a274
-  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
-  %t275 = load { ptr, i64, i64 }, ptr %a272
-  %t276 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 1
-  %t277 = load { ptr, i64, i64 }, ptr %t276
-  store { ptr, i64, i64 } %t275, ptr %a279
-  store { ptr, i64, i64 } %t277, ptr %a280
-  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
-  %t281 = load { ptr, i64, i64 }, ptr %a278
-  store { ptr, i64, i64 } %t281, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.1130, i64 1, i64 0 }, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  %t286 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 2
-  %t287 = load { ptr, i64, i64 }, ptr %t286
-  store { ptr, i64, i64 } %t285, ptr %a289
-  store { ptr, i64, i64 } %t287, ptr %a290
-  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
-  %t291 = load { ptr, i64, i64 }, ptr %a288
-  store { ptr, i64, i64 } %t291, ptr %a293
-  store { ptr, i64, i64 } { ptr @.str.1131, i64 1, i64 0 }, ptr %a294
-  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
-  %t295 = load { ptr, i64, i64 }, ptr %a292
-  %t296 = load ptr, ptr %a1
-  %t297 = icmp eq ptr %t296, null
-  br i1 %t297, label %panic1938, label %ok1939
-panic1938:
-  call void @finch_panic(ptr @.str.1132, i64 262, ptr @.str.1133)
-  unreachable
-ok1939:
-  %t298 = getelementptr inbounds %S.gen.Gen, ptr %t296, i32 0, i32 1
-  %t299 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 13
-  %t300 = load i64, ptr %t299
-  %t301 = load { ptr, i64, i64 }, ptr %t298
-  %t302 = extractvalue { ptr, i64, i64 } %t301, 1
-  %t303 = icmp uge i64 %t300, %t302
-  br i1 %t303, label %range1940, label %inrange1941
-range1940:
-  call void @finch_panic_index(ptr @.str.1134, i64 262, i64 %t300, i64 %t302)
-  unreachable
-inrange1941:
-  %t304 = extractvalue { ptr, i64, i64 } %t301, 0
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t304, i64 %t300
-  %t306 = load { ptr, i64, i64 }, ptr %t305
-  store { ptr, i64, i64 } %t295, ptr %a308
-  store { ptr, i64, i64 } %t306, ptr %a309
-  call void @finch_str_concat(ptr %a307, ptr %a308, ptr %a309)
-  %t310 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t310, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.1135, i64 1, i64 0 }, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  %t315 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 11
-  %t316 = load i64, ptr %t315
-  call void @finch_str_from_int(ptr %a317, i64 %t316)
-  %t318 = load { ptr, i64, i64 }, ptr %a317
-  store { ptr, i64, i64 } %t314, ptr %a320
-  store { ptr, i64, i64 } %t318, ptr %a321
-  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
-  %t322 = load { ptr, i64, i64 }, ptr %a319
-  store { ptr, i64, i64 } %t322, ptr %a324
-  store { ptr, i64, i64 } { ptr @.str.1136, i64 1, i64 0 }, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  %t327 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 12
-  %t328 = load i64, ptr %t327
-  call void @finch_str_from_int(ptr %a329, i64 %t328)
-  %t330 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t326, ptr %a332
-  store { ptr, i64, i64 } %t330, ptr %a333
-  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
-  %t334 = load { ptr, i64, i64 }, ptr %a331
-  store { ptr, i64, i64 } %t334, ptr %a336
-  store { ptr, i64, i64 } { ptr @.str.1137, i64 1, i64 0 }, ptr %a337
-  call void @finch_str_concat(ptr %a335, ptr %a336, ptr %a337)
-  %t338 = load { ptr, i64, i64 }, ptr %a335
-  %t339 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 14
-  %t340 = load i64, ptr %t339
-  call void @finch_str_from_int(ptr %a341, i64 %t340)
-  %t342 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t338, ptr %a344
-  store { ptr, i64, i64 } %t342, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  store { ptr, i64, i64 } %t346, ptr %a348
-  store { ptr, i64, i64 } { ptr @.str.1138, i64 1, i64 0 }, ptr %a349
-  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
-  %t350 = load { ptr, i64, i64 }, ptr %a347
-  %t351 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 1
-  %t352 = load { ptr, i64, i64 }, ptr %t351
-  store { ptr, i64, i64 } { ptr @.str.1139, i64 3, i64 0 }, ptr %a354
-  store { ptr, i64, i64 } %t352, ptr %a355
-  call void @finch_str_concat(ptr %a353, ptr %a354, ptr %a355)
-  %t356 = load { ptr, i64, i64 }, ptr %a353
-  store { ptr, i64, i64 } %t356, ptr %a358
-  store { ptr, i64, i64 } { ptr @.str.1140, i64 1, i64 0 }, ptr %a359
-  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
-  %t360 = load { ptr, i64, i64 }, ptr %a357
-  %t361 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 3
-  %t362 = getelementptr inbounds { ptr, i64, i64 }, ptr %t361, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1141, i64 2, i64 0 }, ptr %a363
-  call void @finch_str_join(ptr %a364, ptr %t361, ptr %a363)
-  %t365 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t360, ptr %a367
-  store { ptr, i64, i64 } %t365, ptr %a368
-  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
-  %t369 = load { ptr, i64, i64 }, ptr %a366
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.1142, i64 6, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t373)
-  store { ptr, i64, i64 } %t350, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t378, ptr %a380
-  store { ptr, i64, i64 } { ptr @.str.1143, i64 1, i64 0 }, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  %t383 = load i64, ptr %t265
-  %t384 = add i64 %t383, 1
-  call void @finch_arr_reserve(ptr %t264, i64 %t384, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t385 = load ptr, ptr %t264
-  %t386 = getelementptr inbounds { ptr, i64, i64 }, ptr %t385, i64 %t383
-  store { ptr, i64, i64 } %t382, ptr %t386
-  store i64 %t384, ptr %t265
-  br label %each.step1925
-each.step1925:
-  %t387 = load i64, ptr %a225
-  %t388 = add i64 %t387, 1
-  store i64 %t388, ptr %a225
-  br label %each.cond1923
-each.end1926:
-  %t389 = load ptr, ptr %a1
-  %t390 = icmp eq ptr %t389, null
-  br i1 %t390, label %panic1942, label %ok1943
-panic1942:
-  call void @finch_panic(ptr @.str.1144, i64 264, ptr @.str.1145)
-  unreachable
-ok1943:
-  %t391 = getelementptr inbounds %S.gen.Gen, ptr %t389, i32 0, i32 15
-  store i64 0, ptr %a392
-  br label %each.cond1944
-each.cond1944:
-  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t391, i32 0, i32 1
-  %t394 = load i64, ptr %t393
-  %t395 = load i64, ptr %a392
-  %t396 = icmp slt i64 %t395, %t394
-  br i1 %t396, label %each.body1945, label %each.end1947
-each.body1945:
-  %t397 = load ptr, ptr %t391
-  %t398 = getelementptr inbounds %S.gen.StructDef, ptr %t397, i64 %t395
-  %t399 = load %S.gen.StructDef, ptr %t398
-  store %S.gen.StructDef %t399, ptr %a400
-  call void @finch.copy.S_gen_StructDef(ptr %a401, ptr %a400)
-  %t402 = load %S.gen.StructDef, ptr %a401
-  store %S.gen.StructDef %t402, ptr %a403
-  %t404 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 2
-  %t405 = load i1, ptr %t404
-  br label %logic.from1948
-logic.from1948:
-  br i1 %t405, label %logic.end1950, label %logic.rhs1949
-logic.rhs1949:
-  %t406 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 5
-  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i32 0, i32 1
-  %t408 = load i64, ptr %t407
-  %t409 = icmp sgt i64 %t408, 0
-  br label %logic.rend1951
-logic.rend1951:
-  br label %logic.end1950
-logic.end1950:
-  %t410 = phi i1 [ true, %logic.from1948 ], [ %t409, %logic.rend1951 ]
-  br i1 %t410, label %then1952, label %endif1954
-then1952:
-  br label %each.step1946
-endif1954:
-  %t411 = load ptr, ptr %a1
-  %t412 = icmp eq ptr %t411, null
-  br i1 %t412, label %panic1955, label %ok1956
-panic1955:
-  call void @finch_panic(ptr @.str.1146, i64 268, ptr @.str.1147)
-  unreachable
-ok1956:
-  %t413 = getelementptr inbounds %S.gen.Gen, ptr %t411, i32 0, i32 0
-  %t414 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 13
-  %t415 = load i64, ptr %t414
-  %t416 = load { ptr, i64, i64 }, ptr %t413
-  %t417 = extractvalue { ptr, i64, i64 } %t416, 1
-  %t418 = icmp uge i64 %t415, %t417
-  br i1 %t418, label %range1957, label %inrange1958
-range1957:
-  call void @finch_panic_index(ptr @.str.1148, i64 268, i64 %t415, i64 %t417)
-  unreachable
-inrange1958:
-  %t419 = extractvalue { ptr, i64, i64 } %t416, 0
-  %t420 = getelementptr inbounds %S.ast.Program, ptr %t419, i64 %t415
-  %t421 = getelementptr inbounds %S.ast.Program, ptr %t420, i32 0, i32 6
-  %t422 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 14
-  %t423 = load i64, ptr %t422
-  %t424 = load { ptr, i64, i64 }, ptr %t421
-  %t425 = extractvalue { ptr, i64, i64 } %t424, 1
-  %t426 = icmp uge i64 %t423, %t425
-  br i1 %t426, label %range1959, label %inrange1960
-range1959:
-  call void @finch_panic_index(ptr @.str.1149, i64 268, i64 %t423, i64 %t425)
-  unreachable
-inrange1960:
-  %t427 = extractvalue { ptr, i64, i64 } %t424, 0
-  %t428 = getelementptr inbounds %S.ast.Node, ptr %t427, i64 %t423
-  %t429 = load %S.ast.Node, ptr %t428
-  store %S.ast.Node %t429, ptr %a430
-  call void @finch.copy.S_ast_Node(ptr %a431, ptr %a430)
-  %t432 = load %S.ast.Node, ptr %a431
-  store %S.ast.Node %t432, ptr %a433
-  %t434 = load ptr, ptr %a1
-  %t435 = icmp eq ptr %t434, null
-  br i1 %t435, label %panic1961, label %ok1962
-panic1961:
-  call void @finch_panic(ptr @.str.1150, i64 269, ptr @.str.1151)
-  unreachable
-ok1962:
-  %t436 = getelementptr inbounds %S.gen.Gen, ptr %t434, i32 0, i32 27
-  %t437 = getelementptr inbounds { ptr, i64, i64 }, ptr %t436, i32 0, i32 1
-  %t438 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 0
-  %t439 = load { ptr, i64, i64 }, ptr %t438
-  store { ptr, i64, i64 } { ptr @.str.1152, i64 3, i64 0 }, ptr %a441
-  store { ptr, i64, i64 } %t439, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  store { ptr, i64, i64 } %t443, ptr %a445
-  store { ptr, i64, i64 } { ptr @.str.1153, i64 1, i64 0 }, ptr %a446
-  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
-  %t447 = load { ptr, i64, i64 }, ptr %a444
-  %t448 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 1
-  %t449 = load { ptr, i64, i64 }, ptr %t448
-  store { ptr, i64, i64 } %t447, ptr %a451
-  store { ptr, i64, i64 } %t449, ptr %a452
-  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
-  %t453 = load { ptr, i64, i64 }, ptr %a450
-  store { ptr, i64, i64 } %t453, ptr %a455
-  store { ptr, i64, i64 } { ptr @.str.1154, i64 1, i64 0 }, ptr %a456
-  call void @finch_str_concat(ptr %a454, ptr %a455, ptr %a456)
-  %t457 = load { ptr, i64, i64 }, ptr %a454
-  %t458 = load ptr, ptr %a1
-  %t459 = icmp eq ptr %t458, null
-  br i1 %t459, label %panic1963, label %ok1964
-panic1963:
-  call void @finch_panic(ptr @.str.1155, i64 269, ptr @.str.1156)
-  unreachable
-ok1964:
-  %t460 = getelementptr inbounds %S.gen.Gen, ptr %t458, i32 0, i32 1
-  %t461 = getelementptr inbounds %S.ast.Node, ptr %a433, i32 0, i32 13
-  %t462 = load i64, ptr %t461
-  %t463 = load { ptr, i64, i64 }, ptr %t460
-  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
-  %t465 = icmp uge i64 %t462, %t464
-  br i1 %t465, label %range1965, label %inrange1966
-range1965:
-  call void @finch_panic_index(ptr @.str.1157, i64 269, i64 %t462, i64 %t464)
-  unreachable
-inrange1966:
-  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
-  %t467 = getelementptr inbounds { ptr, i64, i64 }, ptr %t466, i64 %t462
-  %t468 = load { ptr, i64, i64 }, ptr %t467
-  store { ptr, i64, i64 } %t457, ptr %a470
-  store { ptr, i64, i64 } %t468, ptr %a471
-  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
-  %t472 = load { ptr, i64, i64 }, ptr %a469
-  store { ptr, i64, i64 } %t472, ptr %a474
-  store { ptr, i64, i64 } { ptr @.str.1158, i64 1, i64 0 }, ptr %a475
-  call void @finch_str_concat(ptr %a473, ptr %a474, ptr %a475)
-  %t476 = load { ptr, i64, i64 }, ptr %a473
-  %t477 = getelementptr inbounds %S.ast.Node, ptr %a433, i32 0, i32 11
-  %t478 = load i64, ptr %t477
-  call void @finch_str_from_int(ptr %a479, i64 %t478)
-  %t480 = load { ptr, i64, i64 }, ptr %a479
-  store { ptr, i64, i64 } %t476, ptr %a482
-  store { ptr, i64, i64 } %t480, ptr %a483
-  call void @finch_str_concat(ptr %a481, ptr %a482, ptr %a483)
-  %t484 = load { ptr, i64, i64 }, ptr %a481
-  store { ptr, i64, i64 } %t484, ptr %a486
-  store { ptr, i64, i64 } { ptr @.str.1159, i64 1, i64 0 }, ptr %a487
-  call void @finch_str_concat(ptr %a485, ptr %a486, ptr %a487)
-  %t488 = load { ptr, i64, i64 }, ptr %a485
-  %t489 = getelementptr inbounds %S.ast.Node, ptr %a433, i32 0, i32 12
-  %t490 = load i64, ptr %t489
-  call void @finch_str_from_int(ptr %a491, i64 %t490)
-  %t492 = load { ptr, i64, i64 }, ptr %a491
-  store { ptr, i64, i64 } %t488, ptr %a494
-  store { ptr, i64, i64 } %t492, ptr %a495
-  call void @finch_str_concat(ptr %a493, ptr %a494, ptr %a495)
-  %t496 = load { ptr, i64, i64 }, ptr %a493
-  %t497 = load i64, ptr %t437
-  %t498 = add i64 %t497, 1
-  call void @finch_arr_reserve(ptr %t436, i64 %t498, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t499 = load ptr, ptr %t436
-  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t499, i64 %t497
-  store { ptr, i64, i64 } %t496, ptr %t500
-  store i64 %t498, ptr %t437
-  %t501 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 11
-  %t502 = getelementptr inbounds { ptr, i64, i64 }, ptr %t501, i32 0, i32 1
-  %t503 = load i64, ptr %t502
-  store i64 0, ptr %a504
-  br label %for.cond1967
-for.cond1967:
-  %t505 = load i64, ptr %a504
-  %t506 = icmp slt i64 %t505, %t503
-  br i1 %t506, label %for.body1968, label %for.end1970
-for.body1968:
-  %t507 = load ptr, ptr %a1
-  %t508 = icmp eq ptr %t507, null
-  br i1 %t508, label %panic1971, label %ok1972
-panic1971:
-  call void @finch_panic(ptr @.str.1160, i64 271, ptr @.str.1161)
-  unreachable
-ok1972:
-  %t509 = getelementptr inbounds %S.gen.Gen, ptr %t507, i32 0, i32 27
-  %t510 = getelementptr inbounds { ptr, i64, i64 }, ptr %t509, i32 0, i32 1
-  %t511 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 0
-  %t512 = load { ptr, i64, i64 }, ptr %t511
-  store { ptr, i64, i64 } { ptr @.str.1162, i64 4, i64 0 }, ptr %a514
-  store { ptr, i64, i64 } %t512, ptr %a515
-  call void @finch_str_concat(ptr %a513, ptr %a514, ptr %a515)
-  %t516 = load { ptr, i64, i64 }, ptr %a513
-  store { ptr, i64, i64 } %t516, ptr %a518
-  store { ptr, i64, i64 } { ptr @.str.1163, i64 1, i64 0 }, ptr %a519
-  call void @finch_str_concat(ptr %a517, ptr %a518, ptr %a519)
-  %t520 = load { ptr, i64, i64 }, ptr %a517
-  %t521 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 1
-  %t522 = load { ptr, i64, i64 }, ptr %t521
-  store { ptr, i64, i64 } %t520, ptr %a524
-  store { ptr, i64, i64 } %t522, ptr %a525
-  call void @finch_str_concat(ptr %a523, ptr %a524, ptr %a525)
-  %t526 = load { ptr, i64, i64 }, ptr %a523
-  store { ptr, i64, i64 } %t526, ptr %a528
-  store { ptr, i64, i64 } { ptr @.str.1164, i64 1, i64 0 }, ptr %a529
-  call void @finch_str_concat(ptr %a527, ptr %a528, ptr %a529)
-  %t530 = load { ptr, i64, i64 }, ptr %a527
-  %t531 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 11
-  %t532 = load i64, ptr %a504
-  %t533 = load { ptr, i64, i64 }, ptr %t531
-  %t534 = extractvalue { ptr, i64, i64 } %t533, 1
-  %t535 = icmp uge i64 %t532, %t534
-  br i1 %t535, label %range1973, label %inrange1974
-range1973:
-  call void @finch_panic_index(ptr @.str.1165, i64 271, i64 %t532, i64 %t534)
-  unreachable
-inrange1974:
-  %t536 = extractvalue { ptr, i64, i64 } %t533, 0
-  %t537 = getelementptr inbounds { ptr, i64, i64 }, ptr %t536, i64 %t532
-  %t538 = load { ptr, i64, i64 }, ptr %t537
-  store { ptr, i64, i64 } %t530, ptr %a540
-  store { ptr, i64, i64 } %t538, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  store { ptr, i64, i64 } %t542, ptr %a544
-  store { ptr, i64, i64 } { ptr @.str.1166, i64 1, i64 0 }, ptr %a545
-  call void @finch_str_concat(ptr %a543, ptr %a544, ptr %a545)
-  %t546 = load { ptr, i64, i64 }, ptr %a543
-  %t547 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 12
-  %t548 = load i64, ptr %a504
-  %t549 = load { ptr, i64, i64 }, ptr %t547
-  %t550 = extractvalue { ptr, i64, i64 } %t549, 1
-  %t551 = icmp uge i64 %t548, %t550
-  br i1 %t551, label %range1975, label %inrange1976
-range1975:
-  call void @finch_panic_index(ptr @.str.1167, i64 271, i64 %t548, i64 %t550)
-  unreachable
-inrange1976:
-  %t552 = extractvalue { ptr, i64, i64 } %t549, 0
-  %t553 = getelementptr inbounds %S.ast.Type, ptr %t552, i64 %t548
-  %t554 = load %S.ast.Type, ptr %t553
-  %t555 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t554)
-  store { ptr, i64, i64 } %t546, ptr %a557
-  store { ptr, i64, i64 } %t555, ptr %a558
-  call void @finch_str_concat(ptr %a556, ptr %a557, ptr %a558)
-  %t559 = load { ptr, i64, i64 }, ptr %a556
-  %t560 = load i64, ptr %t510
-  %t561 = add i64 %t560, 1
-  call void @finch_arr_reserve(ptr %t509, i64 %t561, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t562 = load ptr, ptr %t509
-  %t563 = getelementptr inbounds { ptr, i64, i64 }, ptr %t562, i64 %t560
-  store { ptr, i64, i64 } %t559, ptr %t563
-  store i64 %t561, ptr %t510
-  br label %for.step1969
-for.step1969:
-  %t564 = load i64, ptr %a504
-  %t565 = add i64 %t564, 1
-  store i64 %t565, ptr %a504
-  br label %for.cond1967
-for.end1970:
-  br label %each.step1946
-each.step1946:
-  %t566 = load i64, ptr %a392
-  %t567 = add i64 %t566, 1
-  store i64 %t567, ptr %a392
-  br label %each.cond1944
-each.end1947:
-  %t568 = load ptr, ptr %a1
-  %t569 = icmp eq ptr %t568, null
-  br i1 %t569, label %panic1977, label %ok1978
-panic1977:
-  call void @finch_panic(ptr @.str.1168, i64 274, ptr @.str.1169)
-  unreachable
-ok1978:
-  %t570 = getelementptr inbounds %S.gen.Gen, ptr %t568, i32 0, i32 0
-  %t571 = getelementptr inbounds { ptr, i64, i64 }, ptr %t570, i32 0, i32 1
-  %t572 = load i64, ptr %t571
-  store i64 0, ptr %a573
-  br label %for.cond1979
-for.cond1979:
-  %t574 = load i64, ptr %a573
-  %t575 = icmp slt i64 %t574, %t572
-  br i1 %t575, label %for.body1980, label %for.end1982
-for.body1980:
-  %t576 = load ptr, ptr %a1
-  %t577 = icmp eq ptr %t576, null
-  br i1 %t577, label %panic1983, label %ok1984
-panic1983:
-  call void @finch_panic(ptr @.str.1170, i64 275, ptr @.str.1171)
-  unreachable
-ok1984:
-  %t578 = getelementptr inbounds %S.gen.Gen, ptr %t576, i32 0, i32 0
-  %t579 = load i64, ptr %a573
-  %t580 = load { ptr, i64, i64 }, ptr %t578
-  %t581 = extractvalue { ptr, i64, i64 } %t580, 1
-  %t582 = icmp uge i64 %t579, %t581
-  br i1 %t582, label %range1985, label %inrange1986
-range1985:
-  call void @finch_panic_index(ptr @.str.1172, i64 275, i64 %t579, i64 %t581)
-  unreachable
-inrange1986:
-  %t583 = extractvalue { ptr, i64, i64 } %t580, 0
-  %t584 = getelementptr inbounds %S.ast.Program, ptr %t583, i64 %t579
-  %t585 = getelementptr inbounds %S.ast.Program, ptr %t584, i32 0, i32 7
-  store i64 0, ptr %a586
+ok1986:
+  %t248 = getelementptr inbounds %S.gen.Gen, ptr %t246, i32 0, i32 17
+  store i64 0, ptr %a249
   br label %each.cond1987
 each.cond1987:
-  %t587 = getelementptr inbounds { ptr, i64, i64 }, ptr %t585, i32 0, i32 1
-  %t588 = load i64, ptr %t587
-  %t589 = load i64, ptr %a586
-  %t590 = icmp slt i64 %t589, %t588
-  br i1 %t590, label %each.body1988, label %each.end1990
+  %t250 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
+  %t251 = load i64, ptr %t250
+  %t252 = load i64, ptr %a249
+  %t253 = icmp slt i64 %t252, %t251
+  br i1 %t253, label %each.body1988, label %each.end1990
 each.body1988:
-  %t591 = load ptr, ptr %t585
-  %t592 = getelementptr inbounds %S.ast.Node, ptr %t591, i64 %t589
-  %t593 = load %S.ast.Node, ptr %t592
-  store %S.ast.Node %t593, ptr %a594
-  call void @finch.copy.S_ast_Node(ptr %a595, ptr %a594)
-  %t596 = load %S.ast.Node, ptr %a595
-  store %S.ast.Node %t596, ptr %a597
-  store { ptr, i64, i64 } { ptr @.str.1173, i64 0, i64 0 }, ptr %a598
-  store { ptr, i64, i64 } zeroinitializer, ptr %a599
-  %t600 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 9
-  store i64 0, ptr %a601
-  br label %each.cond1991
-each.cond1991:
-  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %t600, i32 0, i32 1
-  %t603 = load i64, ptr %t602
-  %t604 = load i64, ptr %a601
-  %t605 = icmp slt i64 %t604, %t603
-  br i1 %t605, label %each.body1992, label %each.end1994
-each.body1992:
-  %t606 = load ptr, ptr %t600
-  %t607 = getelementptr inbounds %S.ast.Node, ptr %t606, i64 %t604
-  %t608 = load %S.ast.Node, ptr %t607
-  store %S.ast.Node %t608, ptr %a609
-  %t610 = getelementptr inbounds { ptr, i64, i64 }, ptr %a599, i32 0, i32 1
-  %t611 = getelementptr inbounds %S.ast.Node, ptr %a609, i32 0, i32 1
-  %t612 = load { ptr, i64, i64 }, ptr %t611
-  store { ptr, i64, i64 } %t612, ptr %a613
-  call void @finch_str_copy(ptr %a614, ptr %a613)
-  %t615 = load { ptr, i64, i64 }, ptr %a614
-  %t616 = load i64, ptr %t610
-  %t617 = add i64 %t616, 1
-  call void @finch_arr_reserve(ptr %a599, i64 %t617, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t618 = load ptr, ptr %a599
-  %t619 = getelementptr inbounds { ptr, i64, i64 }, ptr %t618, i64 %t616
-  store { ptr, i64, i64 } %t615, ptr %t619
-  store i64 %t617, ptr %t610
-  br label %each.step1993
-each.step1993:
-  %t620 = load i64, ptr %a601
-  %t621 = add i64 %t620, 1
-  store i64 %t621, ptr %a601
-  br label %each.cond1991
-each.end1994:
-  %t622 = getelementptr inbounds { ptr, i64, i64 }, ptr %a599, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1174, i64 1, i64 0 }, ptr %a623
-  call void @finch_str_join(ptr %a624, ptr %a599, ptr %a623)
-  %t625 = load { ptr, i64, i64 }, ptr %a624
-  store { ptr, i64, i64 } %t625, ptr %a598
-  %t626 = load ptr, ptr %a1
-  %t627 = icmp eq ptr %t626, null
-  br i1 %t627, label %panic1995, label %ok1996
-panic1995:
-  call void @finch_panic(ptr @.str.1175, i64 282, ptr @.str.1176)
+  %t254 = load ptr, ptr %t248
+  %t255 = getelementptr inbounds %S.gen.Template, ptr %t254, i64 %t252
+  %t256 = load %S.gen.Template, ptr %t255
+  store %S.gen.Template %t256, ptr %a257
+  call void @finch.copy.S_gen_Template(ptr %a258, ptr %a257)
+  %t259 = load %S.gen.Template, ptr %a258
+  store %S.gen.Template %t259, ptr %a260
+  %t261 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 6
+  %t262 = load i1, ptr %t261
+  br i1 %t262, label %then1991, label %endif1993
+then1991:
+  call void @finch.drop.S_gen_Template(ptr %a260)
+  br label %each.step1989
+endif1993:
+  %t263 = load ptr, ptr %a1
+  %t264 = icmp eq ptr %t263, null
+  br i1 %t264, label %panic1994, label %ok1995
+panic1994:
+  call void @finch_panic(ptr @.str.1131, i64 281, ptr @.str.1132)
   unreachable
-ok1996:
-  %t628 = getelementptr inbounds %S.gen.Gen, ptr %t626, i32 0, i32 27
-  %t629 = getelementptr inbounds { ptr, i64, i64 }, ptr %t628, i32 0, i32 1
-  %t630 = load ptr, ptr %a1
-  %t631 = icmp eq ptr %t630, null
-  br i1 %t631, label %panic1997, label %ok1998
-panic1997:
-  call void @finch_panic(ptr @.str.1178, i64 282, ptr @.str.1179)
+ok1995:
+  %t265 = getelementptr inbounds %S.gen.Gen, ptr %t263, i32 0, i32 0
+  %t266 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 4
+  %t267 = load i64, ptr %t266
+  %t268 = load { ptr, i64, i64 }, ptr %t265
+  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
+  %t270 = icmp uge i64 %t267, %t269
+  br i1 %t270, label %range1996, label %inrange1997
+range1996:
+  call void @finch_panic_index(ptr @.str.1133, i64 281, i64 %t267, i64 %t269)
   unreachable
-ok1998:
-  %t632 = getelementptr inbounds %S.gen.Gen, ptr %t630, i32 0, i32 0
-  %t633 = load i64, ptr %a573
-  %t634 = load { ptr, i64, i64 }, ptr %t632
-  %t635 = extractvalue { ptr, i64, i64 } %t634, 1
-  %t636 = icmp uge i64 %t633, %t635
-  br i1 %t636, label %range1999, label %inrange2000
-range1999:
-  call void @finch_panic_index(ptr @.str.1180, i64 282, i64 %t633, i64 %t635)
+inrange1997:
+  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
+  %t272 = getelementptr inbounds %S.ast.Program, ptr %t271, i64 %t267
+  %t273 = getelementptr inbounds %S.ast.Program, ptr %t272, i32 0, i32 8
+  %t274 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 5
+  %t275 = load i64, ptr %t274
+  %t276 = load { ptr, i64, i64 }, ptr %t273
+  %t277 = extractvalue { ptr, i64, i64 } %t276, 1
+  %t278 = icmp uge i64 %t275, %t277
+  br i1 %t278, label %range1998, label %inrange1999
+range1998:
+  call void @finch_panic_index(ptr @.str.1134, i64 281, i64 %t275, i64 %t277)
   unreachable
-inrange2000:
-  %t637 = extractvalue { ptr, i64, i64 } %t634, 0
-  %t638 = getelementptr inbounds %S.ast.Program, ptr %t637, i64 %t633
-  %t639 = getelementptr inbounds %S.ast.Program, ptr %t638, i32 0, i32 0
-  %t640 = load { ptr, i64, i64 }, ptr %t639
-  store { ptr, i64, i64 } { ptr @.str.1177, i64 3, i64 0 }, ptr %a642
-  store { ptr, i64, i64 } %t640, ptr %a643
-  call void @finch_str_concat(ptr %a641, ptr %a642, ptr %a643)
-  %t644 = load { ptr, i64, i64 }, ptr %a641
-  store { ptr, i64, i64 } %t644, ptr %a646
-  store { ptr, i64, i64 } { ptr @.str.1181, i64 1, i64 0 }, ptr %a647
-  call void @finch_str_concat(ptr %a645, ptr %a646, ptr %a647)
-  %t648 = load { ptr, i64, i64 }, ptr %a645
-  %t649 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 1
-  %t650 = load { ptr, i64, i64 }, ptr %t649
-  store { ptr, i64, i64 } %t648, ptr %a652
-  store { ptr, i64, i64 } %t650, ptr %a653
-  call void @finch_str_concat(ptr %a651, ptr %a652, ptr %a653)
-  %t654 = load { ptr, i64, i64 }, ptr %a651
-  store { ptr, i64, i64 } %t654, ptr %a656
-  store { ptr, i64, i64 } { ptr @.str.1182, i64 1, i64 0 }, ptr %a657
-  call void @finch_str_concat(ptr %a655, ptr %a656, ptr %a657)
-  %t658 = load { ptr, i64, i64 }, ptr %a655
-  %t659 = load ptr, ptr %a1
-  %t660 = icmp eq ptr %t659, null
-  br i1 %t660, label %panic2001, label %ok2002
-panic2001:
-  call void @finch_panic(ptr @.str.1183, i64 282, ptr @.str.1184)
+inrange1999:
+  %t279 = extractvalue { ptr, i64, i64 } %t276, 0
+  %t280 = getelementptr inbounds %S.ast.Node, ptr %t279, i64 %t275
+  %t281 = load %S.ast.Node, ptr %t280
+  store %S.ast.Node %t281, ptr %a282
+  call void @finch.copy.S_ast_Node(ptr %a283, ptr %a282)
+  %t284 = load %S.ast.Node, ptr %a283
+  store %S.ast.Node %t284, ptr %a285
+  %t286 = load ptr, ptr %a1
+  %t287 = icmp eq ptr %t286, null
+  br i1 %t287, label %panic2000, label %ok2001
+panic2000:
+  call void @finch_panic(ptr @.str.1135, i64 282, ptr @.str.1136)
   unreachable
-ok2002:
-  %t661 = getelementptr inbounds %S.gen.Gen, ptr %t659, i32 0, i32 1
-  %t662 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 13
-  %t663 = load i64, ptr %t662
-  %t664 = load { ptr, i64, i64 }, ptr %t661
-  %t665 = extractvalue { ptr, i64, i64 } %t664, 1
-  %t666 = icmp uge i64 %t663, %t665
-  br i1 %t666, label %range2003, label %inrange2004
-range2003:
-  call void @finch_panic_index(ptr @.str.1185, i64 282, i64 %t663, i64 %t665)
+ok2001:
+  %t288 = getelementptr inbounds %S.gen.Gen, ptr %t286, i32 0, i32 28
+  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t288, i32 0, i32 1
+  %t290 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 0
+  %t291 = load { ptr, i64, i64 }, ptr %t290
+  store { ptr, i64, i64 } { ptr @.str.1137, i64 3, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t295, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.1138, i64 1, i64 0 }, ptr %a298
+  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
+  store { ptr, i64, i64 } %t295, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a296
+  %t301 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 1
+  %t302 = load { ptr, i64, i64 }, ptr %t301
+  store { ptr, i64, i64 } %t300, ptr %a304
+  store { ptr, i64, i64 } %t302, ptr %a305
+  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
+  store { ptr, i64, i64 } %t300, ptr %a306
+  call void @finch_str_drop(ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a303
+  store { ptr, i64, i64 } %t307, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.1139, i64 1, i64 0 }, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t307, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = load { ptr, i64, i64 }, ptr %a308
+  %t313 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 2
+  %t314 = load { ptr, i64, i64 }, ptr %t313
+  store { ptr, i64, i64 } %t312, ptr %a316
+  store { ptr, i64, i64 } %t314, ptr %a317
+  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
+  store { ptr, i64, i64 } %t312, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a315
+  store { ptr, i64, i64 } %t319, ptr %a321
+  store { ptr, i64, i64 } { ptr @.str.1140, i64 1, i64 0 }, ptr %a322
+  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+  store { ptr, i64, i64 } %t319, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a320
+  %t325 = load ptr, ptr %a1
+  %t326 = icmp eq ptr %t325, null
+  br i1 %t326, label %panic2002, label %ok2003
+panic2002:
+  call void @finch_panic(ptr @.str.1141, i64 282, ptr @.str.1142)
   unreachable
-inrange2004:
-  %t667 = extractvalue { ptr, i64, i64 } %t664, 0
-  %t668 = getelementptr inbounds { ptr, i64, i64 }, ptr %t667, i64 %t663
-  %t669 = load { ptr, i64, i64 }, ptr %t668
-  store { ptr, i64, i64 } %t658, ptr %a671
-  store { ptr, i64, i64 } %t669, ptr %a672
-  call void @finch_str_concat(ptr %a670, ptr %a671, ptr %a672)
-  %t673 = load { ptr, i64, i64 }, ptr %a670
-  store { ptr, i64, i64 } %t673, ptr %a675
-  store { ptr, i64, i64 } { ptr @.str.1186, i64 1, i64 0 }, ptr %a676
-  call void @finch_str_concat(ptr %a674, ptr %a675, ptr %a676)
-  %t677 = load { ptr, i64, i64 }, ptr %a674
-  %t678 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 11
-  %t679 = load i64, ptr %t678
-  call void @finch_str_from_int(ptr %a680, i64 %t679)
-  %t681 = load { ptr, i64, i64 }, ptr %a680
-  store { ptr, i64, i64 } %t677, ptr %a683
-  store { ptr, i64, i64 } %t681, ptr %a684
-  call void @finch_str_concat(ptr %a682, ptr %a683, ptr %a684)
-  %t685 = load { ptr, i64, i64 }, ptr %a682
-  store { ptr, i64, i64 } %t685, ptr %a687
-  store { ptr, i64, i64 } { ptr @.str.1187, i64 1, i64 0 }, ptr %a688
-  call void @finch_str_concat(ptr %a686, ptr %a687, ptr %a688)
-  %t689 = load { ptr, i64, i64 }, ptr %a686
-  %t690 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 12
-  %t691 = load i64, ptr %t690
-  call void @finch_str_from_int(ptr %a692, i64 %t691)
-  %t693 = load { ptr, i64, i64 }, ptr %a692
-  store { ptr, i64, i64 } %t689, ptr %a695
-  store { ptr, i64, i64 } %t693, ptr %a696
-  call void @finch_str_concat(ptr %a694, ptr %a695, ptr %a696)
-  %t697 = load { ptr, i64, i64 }, ptr %a694
-  store { ptr, i64, i64 } %t697, ptr %a699
-  store { ptr, i64, i64 } { ptr @.str.1188, i64 1, i64 0 }, ptr %a700
-  call void @finch_str_concat(ptr %a698, ptr %a699, ptr %a700)
-  %t701 = load { ptr, i64, i64 }, ptr %a698
-  %t702 = load { ptr, i64, i64 }, ptr %a598
-  store { ptr, i64, i64 } %t701, ptr %a704
-  store { ptr, i64, i64 } %t702, ptr %a705
-  call void @finch_str_concat(ptr %a703, ptr %a704, ptr %a705)
-  %t706 = load { ptr, i64, i64 }, ptr %a703
-  %t707 = load i64, ptr %t629
-  %t708 = add i64 %t707, 1
-  call void @finch_arr_reserve(ptr %t628, i64 %t708, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t709 = load ptr, ptr %t628
-  %t710 = getelementptr inbounds { ptr, i64, i64 }, ptr %t709, i64 %t707
-  store { ptr, i64, i64 } %t706, ptr %t710
-  store i64 %t708, ptr %t629
+ok2003:
+  %t327 = getelementptr inbounds %S.gen.Gen, ptr %t325, i32 0, i32 1
+  %t328 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 13
+  %t329 = load i64, ptr %t328
+  %t330 = load { ptr, i64, i64 }, ptr %t327
+  %t331 = extractvalue { ptr, i64, i64 } %t330, 1
+  %t332 = icmp uge i64 %t329, %t331
+  br i1 %t332, label %range2004, label %inrange2005
+range2004:
+  call void @finch_panic_index(ptr @.str.1143, i64 282, i64 %t329, i64 %t331)
+  unreachable
+inrange2005:
+  %t333 = extractvalue { ptr, i64, i64 } %t330, 0
+  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i64 %t329
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t324, ptr %a337
+  store { ptr, i64, i64 } %t335, ptr %a338
+  call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
+  store { ptr, i64, i64 } %t324, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
+  store { ptr, i64, i64 } %t340, ptr %a342
+  store { ptr, i64, i64 } { ptr @.str.1144, i64 1, i64 0 }, ptr %a343
+  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
+  store { ptr, i64, i64 } %t340, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load { ptr, i64, i64 }, ptr %a341
+  %t346 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 11
+  %t347 = load i64, ptr %t346
+  call void @finch_str_from_int(ptr %a348, i64 %t347)
+  %t349 = load { ptr, i64, i64 }, ptr %a348
+  store { ptr, i64, i64 } %t345, ptr %a351
+  store { ptr, i64, i64 } %t349, ptr %a352
+  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
+  store { ptr, i64, i64 } %t345, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  store { ptr, i64, i64 } %t349, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  %t355 = load { ptr, i64, i64 }, ptr %a350
+  store { ptr, i64, i64 } %t355, ptr %a357
+  store { ptr, i64, i64 } { ptr @.str.1145, i64 1, i64 0 }, ptr %a358
+  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
+  store { ptr, i64, i64 } %t355, ptr %a359
+  call void @finch_str_drop(ptr %a359)
+  %t360 = load { ptr, i64, i64 }, ptr %a356
+  %t361 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 12
+  %t362 = load i64, ptr %t361
+  call void @finch_str_from_int(ptr %a363, i64 %t362)
+  %t364 = load { ptr, i64, i64 }, ptr %a363
+  store { ptr, i64, i64 } %t360, ptr %a366
+  store { ptr, i64, i64 } %t364, ptr %a367
+  call void @finch_str_concat(ptr %a365, ptr %a366, ptr %a367)
+  store { ptr, i64, i64 } %t360, ptr %a368
+  call void @finch_str_drop(ptr %a368)
+  store { ptr, i64, i64 } %t364, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = load { ptr, i64, i64 }, ptr %a365
+  store { ptr, i64, i64 } %t370, ptr %a372
+  store { ptr, i64, i64 } { ptr @.str.1146, i64 1, i64 0 }, ptr %a373
+  call void @finch_str_concat(ptr %a371, ptr %a372, ptr %a373)
+  store { ptr, i64, i64 } %t370, ptr %a374
+  call void @finch_str_drop(ptr %a374)
+  %t375 = load { ptr, i64, i64 }, ptr %a371
+  %t376 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 14
+  %t377 = load i64, ptr %t376
+  call void @finch_str_from_int(ptr %a378, i64 %t377)
+  %t379 = load { ptr, i64, i64 }, ptr %a378
+  store { ptr, i64, i64 } %t375, ptr %a381
+  store { ptr, i64, i64 } %t379, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  store { ptr, i64, i64 } %t375, ptr %a383
+  call void @finch_str_drop(ptr %a383)
+  store { ptr, i64, i64 } %t379, ptr %a384
+  call void @finch_str_drop(ptr %a384)
+  %t385 = load { ptr, i64, i64 }, ptr %a380
+  store { ptr, i64, i64 } %t385, ptr %a387
+  store { ptr, i64, i64 } { ptr @.str.1147, i64 1, i64 0 }, ptr %a388
+  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
+  store { ptr, i64, i64 } %t385, ptr %a389
+  call void @finch_str_drop(ptr %a389)
+  %t390 = load { ptr, i64, i64 }, ptr %a386
+  %t391 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 1
+  %t392 = load { ptr, i64, i64 }, ptr %t391
+  store { ptr, i64, i64 } { ptr @.str.1148, i64 3, i64 0 }, ptr %a394
+  store { ptr, i64, i64 } %t392, ptr %a395
+  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
+  %t396 = load { ptr, i64, i64 }, ptr %a393
+  store { ptr, i64, i64 } %t396, ptr %a398
+  store { ptr, i64, i64 } { ptr @.str.1149, i64 1, i64 0 }, ptr %a399
+  call void @finch_str_concat(ptr %a397, ptr %a398, ptr %a399)
+  store { ptr, i64, i64 } %t396, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = load { ptr, i64, i64 }, ptr %a397
+  %t402 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 3
+  %t403 = getelementptr inbounds { ptr, i64, i64 }, ptr %t402, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1150, i64 2, i64 0 }, ptr %a404
+  call void @finch_str_join(ptr %a405, ptr %t402, ptr %a404)
+  %t406 = load { ptr, i64, i64 }, ptr %a405
+  store { ptr, i64, i64 } %t401, ptr %a408
+  store { ptr, i64, i64 } %t406, ptr %a409
+  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
+  store { ptr, i64, i64 } %t401, ptr %a410
+  call void @finch_str_drop(ptr %a410)
+  store { ptr, i64, i64 } %t406, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  %t412 = load { ptr, i64, i64 }, ptr %a407
+  store { ptr, i64, i64 } %t412, ptr %a414
+  store { ptr, i64, i64 } { ptr @.str.1151, i64 6, i64 0 }, ptr %a415
+  call void @finch_str_concat(ptr %a413, ptr %a414, ptr %a415)
+  store { ptr, i64, i64 } %t412, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a413
+  %t418 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t417)
+  store { ptr, i64, i64 } %t417, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  store { ptr, i64, i64 } %t390, ptr %a421
+  store { ptr, i64, i64 } %t418, ptr %a422
+  call void @finch_str_concat(ptr %a420, ptr %a421, ptr %a422)
+  store { ptr, i64, i64 } %t390, ptr %a423
+  call void @finch_str_drop(ptr %a423)
+  store { ptr, i64, i64 } %t418, ptr %a424
+  call void @finch_str_drop(ptr %a424)
+  %t425 = load { ptr, i64, i64 }, ptr %a420
+  store { ptr, i64, i64 } %t425, ptr %a427
+  store { ptr, i64, i64 } { ptr @.str.1152, i64 1, i64 0 }, ptr %a428
+  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
+  store { ptr, i64, i64 } %t425, ptr %a429
+  call void @finch_str_drop(ptr %a429)
+  %t430 = load { ptr, i64, i64 }, ptr %a426
+  %t431 = load i64, ptr %t289
+  %t432 = add i64 %t431, 1
+  call void @finch_arr_reserve(ptr %t288, i64 %t432, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t433 = load ptr, ptr %t288
+  %t434 = getelementptr inbounds { ptr, i64, i64 }, ptr %t433, i64 %t431
+  store { ptr, i64, i64 } %t430, ptr %t434
+  store i64 %t432, ptr %t289
+  call void @finch.drop.S_ast_Node(ptr %a285)
+  call void @finch.drop.S_gen_Template(ptr %a260)
   br label %each.step1989
 each.step1989:
-  %t711 = load i64, ptr %a586
-  %t712 = add i64 %t711, 1
-  store i64 %t712, ptr %a586
+  %t435 = load i64, ptr %a249
+  %t436 = add i64 %t435, 1
+  store i64 %t436, ptr %a249
   br label %each.cond1987
 each.end1990:
-  br label %for.step1981
-for.step1981:
-  %t713 = load i64, ptr %a573
-  %t714 = add i64 %t713, 1
-  store i64 %t714, ptr %a573
-  br label %for.cond1979
-for.end1982:
+  %t437 = load ptr, ptr %a1
+  %t438 = icmp eq ptr %t437, null
+  br i1 %t438, label %panic2006, label %ok2007
+panic2006:
+  call void @finch_panic(ptr @.str.1153, i64 284, ptr @.str.1154)
+  unreachable
+ok2007:
+  %t439 = getelementptr inbounds %S.gen.Gen, ptr %t437, i32 0, i32 16
+  store i64 0, ptr %a440
+  br label %each.cond2008
+each.cond2008:
+  %t441 = getelementptr inbounds { ptr, i64, i64 }, ptr %t439, i32 0, i32 1
+  %t442 = load i64, ptr %t441
+  %t443 = load i64, ptr %a440
+  %t444 = icmp slt i64 %t443, %t442
+  br i1 %t444, label %each.body2009, label %each.end2011
+each.body2009:
+  %t445 = load ptr, ptr %t439
+  %t446 = getelementptr inbounds %S.gen.StructDef, ptr %t445, i64 %t443
+  %t447 = load %S.gen.StructDef, ptr %t446
+  store %S.gen.StructDef %t447, ptr %a448
+  call void @finch.copy.S_gen_StructDef(ptr %a449, ptr %a448)
+  %t450 = load %S.gen.StructDef, ptr %a449
+  store %S.gen.StructDef %t450, ptr %a451
+  %t452 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 2
+  %t453 = load i1, ptr %t452
+  br label %logic.from2012
+logic.from2012:
+  br i1 %t453, label %logic.end2014, label %logic.rhs2013
+logic.rhs2013:
+  %t454 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 5
+  %t455 = getelementptr inbounds { ptr, i64, i64 }, ptr %t454, i32 0, i32 1
+  %t456 = load i64, ptr %t455
+  %t457 = icmp sgt i64 %t456, 0
+  br label %logic.rend2015
+logic.rend2015:
+  br label %logic.end2014
+logic.end2014:
+  %t458 = phi i1 [ true, %logic.from2012 ], [ %t457, %logic.rend2015 ]
+  br i1 %t458, label %then2016, label %endif2018
+then2016:
+  call void @finch.drop.S_gen_StructDef(ptr %a451)
+  br label %each.step2010
+endif2018:
+  %t459 = load ptr, ptr %a1
+  %t460 = icmp eq ptr %t459, null
+  br i1 %t460, label %panic2019, label %ok2020
+panic2019:
+  call void @finch_panic(ptr @.str.1155, i64 288, ptr @.str.1156)
+  unreachable
+ok2020:
+  %t461 = getelementptr inbounds %S.gen.Gen, ptr %t459, i32 0, i32 0
+  %t462 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 13
+  %t463 = load i64, ptr %t462
+  %t464 = load { ptr, i64, i64 }, ptr %t461
+  %t465 = extractvalue { ptr, i64, i64 } %t464, 1
+  %t466 = icmp uge i64 %t463, %t465
+  br i1 %t466, label %range2021, label %inrange2022
+range2021:
+  call void @finch_panic_index(ptr @.str.1157, i64 288, i64 %t463, i64 %t465)
+  unreachable
+inrange2022:
+  %t467 = extractvalue { ptr, i64, i64 } %t464, 0
+  %t468 = getelementptr inbounds %S.ast.Program, ptr %t467, i64 %t463
+  %t469 = getelementptr inbounds %S.ast.Program, ptr %t468, i32 0, i32 6
+  %t470 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 14
+  %t471 = load i64, ptr %t470
+  %t472 = load { ptr, i64, i64 }, ptr %t469
+  %t473 = extractvalue { ptr, i64, i64 } %t472, 1
+  %t474 = icmp uge i64 %t471, %t473
+  br i1 %t474, label %range2023, label %inrange2024
+range2023:
+  call void @finch_panic_index(ptr @.str.1158, i64 288, i64 %t471, i64 %t473)
+  unreachable
+inrange2024:
+  %t475 = extractvalue { ptr, i64, i64 } %t472, 0
+  %t476 = getelementptr inbounds %S.ast.Node, ptr %t475, i64 %t471
+  %t477 = load %S.ast.Node, ptr %t476
+  store %S.ast.Node %t477, ptr %a478
+  call void @finch.copy.S_ast_Node(ptr %a479, ptr %a478)
+  %t480 = load %S.ast.Node, ptr %a479
+  store %S.ast.Node %t480, ptr %a481
+  %t482 = load ptr, ptr %a1
+  %t483 = icmp eq ptr %t482, null
+  br i1 %t483, label %panic2025, label %ok2026
+panic2025:
+  call void @finch_panic(ptr @.str.1159, i64 289, ptr @.str.1160)
+  unreachable
+ok2026:
+  %t484 = getelementptr inbounds %S.gen.Gen, ptr %t482, i32 0, i32 28
+  %t485 = getelementptr inbounds { ptr, i64, i64 }, ptr %t484, i32 0, i32 1
+  %t486 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 0
+  %t487 = load { ptr, i64, i64 }, ptr %t486
+  store { ptr, i64, i64 } { ptr @.str.1161, i64 3, i64 0 }, ptr %a489
+  store { ptr, i64, i64 } %t487, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a488
+  store { ptr, i64, i64 } %t491, ptr %a493
+  store { ptr, i64, i64 } { ptr @.str.1162, i64 1, i64 0 }, ptr %a494
+  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
+  store { ptr, i64, i64 } %t491, ptr %a495
+  call void @finch_str_drop(ptr %a495)
+  %t496 = load { ptr, i64, i64 }, ptr %a492
+  %t497 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 1
+  %t498 = load { ptr, i64, i64 }, ptr %t497
+  store { ptr, i64, i64 } %t496, ptr %a500
+  store { ptr, i64, i64 } %t498, ptr %a501
+  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
+  store { ptr, i64, i64 } %t496, ptr %a502
+  call void @finch_str_drop(ptr %a502)
+  %t503 = load { ptr, i64, i64 }, ptr %a499
+  store { ptr, i64, i64 } %t503, ptr %a505
+  store { ptr, i64, i64 } { ptr @.str.1163, i64 1, i64 0 }, ptr %a506
+  call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
+  store { ptr, i64, i64 } %t503, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  %t508 = load { ptr, i64, i64 }, ptr %a504
+  %t509 = load ptr, ptr %a1
+  %t510 = icmp eq ptr %t509, null
+  br i1 %t510, label %panic2027, label %ok2028
+panic2027:
+  call void @finch_panic(ptr @.str.1164, i64 289, ptr @.str.1165)
+  unreachable
+ok2028:
+  %t511 = getelementptr inbounds %S.gen.Gen, ptr %t509, i32 0, i32 1
+  %t512 = getelementptr inbounds %S.ast.Node, ptr %a481, i32 0, i32 13
+  %t513 = load i64, ptr %t512
+  %t514 = load { ptr, i64, i64 }, ptr %t511
+  %t515 = extractvalue { ptr, i64, i64 } %t514, 1
+  %t516 = icmp uge i64 %t513, %t515
+  br i1 %t516, label %range2029, label %inrange2030
+range2029:
+  call void @finch_panic_index(ptr @.str.1166, i64 289, i64 %t513, i64 %t515)
+  unreachable
+inrange2030:
+  %t517 = extractvalue { ptr, i64, i64 } %t514, 0
+  %t518 = getelementptr inbounds { ptr, i64, i64 }, ptr %t517, i64 %t513
+  %t519 = load { ptr, i64, i64 }, ptr %t518
+  store { ptr, i64, i64 } %t508, ptr %a521
+  store { ptr, i64, i64 } %t519, ptr %a522
+  call void @finch_str_concat(ptr %a520, ptr %a521, ptr %a522)
+  store { ptr, i64, i64 } %t508, ptr %a523
+  call void @finch_str_drop(ptr %a523)
+  %t524 = load { ptr, i64, i64 }, ptr %a520
+  store { ptr, i64, i64 } %t524, ptr %a526
+  store { ptr, i64, i64 } { ptr @.str.1167, i64 1, i64 0 }, ptr %a527
+  call void @finch_str_concat(ptr %a525, ptr %a526, ptr %a527)
+  store { ptr, i64, i64 } %t524, ptr %a528
+  call void @finch_str_drop(ptr %a528)
+  %t529 = load { ptr, i64, i64 }, ptr %a525
+  %t530 = getelementptr inbounds %S.ast.Node, ptr %a481, i32 0, i32 11
+  %t531 = load i64, ptr %t530
+  call void @finch_str_from_int(ptr %a532, i64 %t531)
+  %t533 = load { ptr, i64, i64 }, ptr %a532
+  store { ptr, i64, i64 } %t529, ptr %a535
+  store { ptr, i64, i64 } %t533, ptr %a536
+  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
+  store { ptr, i64, i64 } %t529, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  store { ptr, i64, i64 } %t533, ptr %a538
+  call void @finch_str_drop(ptr %a538)
+  %t539 = load { ptr, i64, i64 }, ptr %a534
+  store { ptr, i64, i64 } %t539, ptr %a541
+  store { ptr, i64, i64 } { ptr @.str.1168, i64 1, i64 0 }, ptr %a542
+  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
+  store { ptr, i64, i64 } %t539, ptr %a543
+  call void @finch_str_drop(ptr %a543)
+  %t544 = load { ptr, i64, i64 }, ptr %a540
+  %t545 = getelementptr inbounds %S.ast.Node, ptr %a481, i32 0, i32 12
+  %t546 = load i64, ptr %t545
+  call void @finch_str_from_int(ptr %a547, i64 %t546)
+  %t548 = load { ptr, i64, i64 }, ptr %a547
+  store { ptr, i64, i64 } %t544, ptr %a550
+  store { ptr, i64, i64 } %t548, ptr %a551
+  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
+  store { ptr, i64, i64 } %t544, ptr %a552
+  call void @finch_str_drop(ptr %a552)
+  store { ptr, i64, i64 } %t548, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  %t554 = load { ptr, i64, i64 }, ptr %a549
+  %t555 = load i64, ptr %t485
+  %t556 = add i64 %t555, 1
+  call void @finch_arr_reserve(ptr %t484, i64 %t556, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t557 = load ptr, ptr %t484
+  %t558 = getelementptr inbounds { ptr, i64, i64 }, ptr %t557, i64 %t555
+  store { ptr, i64, i64 } %t554, ptr %t558
+  store i64 %t556, ptr %t485
+  %t559 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 11
+  %t560 = getelementptr inbounds { ptr, i64, i64 }, ptr %t559, i32 0, i32 1
+  %t561 = load i64, ptr %t560
+  store i64 0, ptr %a562
+  br label %for.cond2031
+for.cond2031:
+  %t563 = load i64, ptr %a562
+  %t564 = icmp slt i64 %t563, %t561
+  br i1 %t564, label %for.body2032, label %for.end2034
+for.body2032:
+  %t565 = load ptr, ptr %a1
+  %t566 = icmp eq ptr %t565, null
+  br i1 %t566, label %panic2035, label %ok2036
+panic2035:
+  call void @finch_panic(ptr @.str.1169, i64 291, ptr @.str.1170)
+  unreachable
+ok2036:
+  %t567 = getelementptr inbounds %S.gen.Gen, ptr %t565, i32 0, i32 28
+  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %t567, i32 0, i32 1
+  %t569 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 0
+  %t570 = load { ptr, i64, i64 }, ptr %t569
+  store { ptr, i64, i64 } { ptr @.str.1171, i64 4, i64 0 }, ptr %a572
+  store { ptr, i64, i64 } %t570, ptr %a573
+  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
+  %t574 = load { ptr, i64, i64 }, ptr %a571
+  store { ptr, i64, i64 } %t574, ptr %a576
+  store { ptr, i64, i64 } { ptr @.str.1172, i64 1, i64 0 }, ptr %a577
+  call void @finch_str_concat(ptr %a575, ptr %a576, ptr %a577)
+  store { ptr, i64, i64 } %t574, ptr %a578
+  call void @finch_str_drop(ptr %a578)
+  %t579 = load { ptr, i64, i64 }, ptr %a575
+  %t580 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 1
+  %t581 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } %t579, ptr %a583
+  store { ptr, i64, i64 } %t581, ptr %a584
+  call void @finch_str_concat(ptr %a582, ptr %a583, ptr %a584)
+  store { ptr, i64, i64 } %t579, ptr %a585
+  call void @finch_str_drop(ptr %a585)
+  %t586 = load { ptr, i64, i64 }, ptr %a582
+  store { ptr, i64, i64 } %t586, ptr %a588
+  store { ptr, i64, i64 } { ptr @.str.1173, i64 1, i64 0 }, ptr %a589
+  call void @finch_str_concat(ptr %a587, ptr %a588, ptr %a589)
+  store { ptr, i64, i64 } %t586, ptr %a590
+  call void @finch_str_drop(ptr %a590)
+  %t591 = load { ptr, i64, i64 }, ptr %a587
+  %t592 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 11
+  %t593 = load i64, ptr %a562
+  %t594 = load { ptr, i64, i64 }, ptr %t592
+  %t595 = extractvalue { ptr, i64, i64 } %t594, 1
+  %t596 = icmp uge i64 %t593, %t595
+  br i1 %t596, label %range2037, label %inrange2038
+range2037:
+  call void @finch_panic_index(ptr @.str.1174, i64 291, i64 %t593, i64 %t595)
+  unreachable
+inrange2038:
+  %t597 = extractvalue { ptr, i64, i64 } %t594, 0
+  %t598 = getelementptr inbounds { ptr, i64, i64 }, ptr %t597, i64 %t593
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  store { ptr, i64, i64 } %t591, ptr %a601
+  store { ptr, i64, i64 } %t599, ptr %a602
+  call void @finch_str_concat(ptr %a600, ptr %a601, ptr %a602)
+  store { ptr, i64, i64 } %t591, ptr %a603
+  call void @finch_str_drop(ptr %a603)
+  %t604 = load { ptr, i64, i64 }, ptr %a600
+  store { ptr, i64, i64 } %t604, ptr %a606
+  store { ptr, i64, i64 } { ptr @.str.1175, i64 1, i64 0 }, ptr %a607
+  call void @finch_str_concat(ptr %a605, ptr %a606, ptr %a607)
+  store { ptr, i64, i64 } %t604, ptr %a608
+  call void @finch_str_drop(ptr %a608)
+  %t609 = load { ptr, i64, i64 }, ptr %a605
+  %t610 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 12
+  %t611 = load i64, ptr %a562
+  %t612 = load { ptr, i64, i64 }, ptr %t610
+  %t613 = extractvalue { ptr, i64, i64 } %t612, 1
+  %t614 = icmp uge i64 %t611, %t613
+  br i1 %t614, label %range2039, label %inrange2040
+range2039:
+  call void @finch_panic_index(ptr @.str.1176, i64 291, i64 %t611, i64 %t613)
+  unreachable
+inrange2040:
+  %t615 = extractvalue { ptr, i64, i64 } %t612, 0
+  %t616 = getelementptr inbounds %S.ast.Type, ptr %t615, i64 %t611
+  %t617 = load %S.ast.Type, ptr %t616
+  %t618 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t617)
+  store { ptr, i64, i64 } %t609, ptr %a620
+  store { ptr, i64, i64 } %t618, ptr %a621
+  call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
+  store { ptr, i64, i64 } %t609, ptr %a622
+  call void @finch_str_drop(ptr %a622)
+  store { ptr, i64, i64 } %t618, ptr %a623
+  call void @finch_str_drop(ptr %a623)
+  %t624 = load { ptr, i64, i64 }, ptr %a619
+  %t625 = load i64, ptr %t568
+  %t626 = add i64 %t625, 1
+  call void @finch_arr_reserve(ptr %t567, i64 %t626, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t627 = load ptr, ptr %t567
+  %t628 = getelementptr inbounds { ptr, i64, i64 }, ptr %t627, i64 %t625
+  store { ptr, i64, i64 } %t624, ptr %t628
+  store i64 %t626, ptr %t568
+  br label %for.step2033
+for.step2033:
+  %t629 = load i64, ptr %a562
+  %t630 = add i64 %t629, 1
+  store i64 %t630, ptr %a562
+  br label %for.cond2031
+for.end2034:
+  call void @finch.drop.S_ast_Node(ptr %a481)
+  call void @finch.drop.S_gen_StructDef(ptr %a451)
+  br label %each.step2010
+each.step2010:
+  %t631 = load i64, ptr %a440
+  %t632 = add i64 %t631, 1
+  store i64 %t632, ptr %a440
+  br label %each.cond2008
+each.end2011:
+  %t633 = load ptr, ptr %a1
+  %t634 = icmp eq ptr %t633, null
+  br i1 %t634, label %panic2041, label %ok2042
+panic2041:
+  call void @finch_panic(ptr @.str.1177, i64 294, ptr @.str.1178)
+  unreachable
+ok2042:
+  %t635 = getelementptr inbounds %S.gen.Gen, ptr %t633, i32 0, i32 0
+  %t636 = getelementptr inbounds { ptr, i64, i64 }, ptr %t635, i32 0, i32 1
+  %t637 = load i64, ptr %t636
+  store i64 0, ptr %a638
+  br label %for.cond2043
+for.cond2043:
+  %t639 = load i64, ptr %a638
+  %t640 = icmp slt i64 %t639, %t637
+  br i1 %t640, label %for.body2044, label %for.end2046
+for.body2044:
+  %t641 = load ptr, ptr %a1
+  %t642 = icmp eq ptr %t641, null
+  br i1 %t642, label %panic2047, label %ok2048
+panic2047:
+  call void @finch_panic(ptr @.str.1179, i64 295, ptr @.str.1180)
+  unreachable
+ok2048:
+  %t643 = getelementptr inbounds %S.gen.Gen, ptr %t641, i32 0, i32 0
+  %t644 = load i64, ptr %a638
+  %t645 = load { ptr, i64, i64 }, ptr %t643
+  %t646 = extractvalue { ptr, i64, i64 } %t645, 1
+  %t647 = icmp uge i64 %t644, %t646
+  br i1 %t647, label %range2049, label %inrange2050
+range2049:
+  call void @finch_panic_index(ptr @.str.1181, i64 295, i64 %t644, i64 %t646)
+  unreachable
+inrange2050:
+  %t648 = extractvalue { ptr, i64, i64 } %t645, 0
+  %t649 = getelementptr inbounds %S.ast.Program, ptr %t648, i64 %t644
+  %t650 = getelementptr inbounds %S.ast.Program, ptr %t649, i32 0, i32 7
+  store i64 0, ptr %a651
+  br label %each.cond2051
+each.cond2051:
+  %t652 = getelementptr inbounds { ptr, i64, i64 }, ptr %t650, i32 0, i32 1
+  %t653 = load i64, ptr %t652
+  %t654 = load i64, ptr %a651
+  %t655 = icmp slt i64 %t654, %t653
+  br i1 %t655, label %each.body2052, label %each.end2054
+each.body2052:
+  %t656 = load ptr, ptr %t650
+  %t657 = getelementptr inbounds %S.ast.Node, ptr %t656, i64 %t654
+  %t658 = load %S.ast.Node, ptr %t657
+  store %S.ast.Node %t658, ptr %a659
+  call void @finch.copy.S_ast_Node(ptr %a660, ptr %a659)
+  %t661 = load %S.ast.Node, ptr %a660
+  store %S.ast.Node %t661, ptr %a662
+  store { ptr, i64, i64 } { ptr @.str.1182, i64 0, i64 0 }, ptr %a663
+  store { ptr, i64, i64 } zeroinitializer, ptr %a664
+  %t665 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 9
+  store i64 0, ptr %a666
+  br label %each.cond2055
+each.cond2055:
+  %t667 = getelementptr inbounds { ptr, i64, i64 }, ptr %t665, i32 0, i32 1
+  %t668 = load i64, ptr %t667
+  %t669 = load i64, ptr %a666
+  %t670 = icmp slt i64 %t669, %t668
+  br i1 %t670, label %each.body2056, label %each.end2058
+each.body2056:
+  %t671 = load ptr, ptr %t665
+  %t672 = getelementptr inbounds %S.ast.Node, ptr %t671, i64 %t669
+  %t673 = load %S.ast.Node, ptr %t672
+  store %S.ast.Node %t673, ptr %a674
+  %t675 = getelementptr inbounds { ptr, i64, i64 }, ptr %a664, i32 0, i32 1
+  %t676 = getelementptr inbounds %S.ast.Node, ptr %a674, i32 0, i32 1
+  %t677 = load { ptr, i64, i64 }, ptr %t676
+  store { ptr, i64, i64 } %t677, ptr %a678
+  call void @finch_str_copy(ptr %a679, ptr %a678)
+  %t680 = load { ptr, i64, i64 }, ptr %a679
+  %t681 = load i64, ptr %t675
+  %t682 = add i64 %t681, 1
+  call void @finch_arr_reserve(ptr %a664, i64 %t682, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t683 = load ptr, ptr %a664
+  %t684 = getelementptr inbounds { ptr, i64, i64 }, ptr %t683, i64 %t681
+  store { ptr, i64, i64 } %t680, ptr %t684
+  store i64 %t682, ptr %t675
+  br label %each.step2057
+each.step2057:
+  %t685 = load i64, ptr %a666
+  %t686 = add i64 %t685, 1
+  store i64 %t686, ptr %a666
+  br label %each.cond2055
+each.end2058:
+  %t687 = getelementptr inbounds { ptr, i64, i64 }, ptr %a664, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1183, i64 1, i64 0 }, ptr %a688
+  call void @finch_str_join(ptr %a689, ptr %a664, ptr %a688)
+  %t690 = load { ptr, i64, i64 }, ptr %a689
+  %t691 = load { ptr, i64, i64 }, ptr %a663
+  store { ptr, i64, i64 } %t690, ptr %a663
+  store { ptr, i64, i64 } %t691, ptr %a692
+  call void @finch_str_drop(ptr %a692)
+  %t693 = load ptr, ptr %a1
+  %t694 = icmp eq ptr %t693, null
+  br i1 %t694, label %panic2059, label %ok2060
+panic2059:
+  call void @finch_panic(ptr @.str.1184, i64 302, ptr @.str.1185)
+  unreachable
+ok2060:
+  %t695 = getelementptr inbounds %S.gen.Gen, ptr %t693, i32 0, i32 28
+  %t696 = getelementptr inbounds { ptr, i64, i64 }, ptr %t695, i32 0, i32 1
+  %t697 = load ptr, ptr %a1
+  %t698 = icmp eq ptr %t697, null
+  br i1 %t698, label %panic2061, label %ok2062
+panic2061:
+  call void @finch_panic(ptr @.str.1187, i64 302, ptr @.str.1188)
+  unreachable
+ok2062:
+  %t699 = getelementptr inbounds %S.gen.Gen, ptr %t697, i32 0, i32 0
+  %t700 = load i64, ptr %a638
+  %t701 = load { ptr, i64, i64 }, ptr %t699
+  %t702 = extractvalue { ptr, i64, i64 } %t701, 1
+  %t703 = icmp uge i64 %t700, %t702
+  br i1 %t703, label %range2063, label %inrange2064
+range2063:
+  call void @finch_panic_index(ptr @.str.1189, i64 302, i64 %t700, i64 %t702)
+  unreachable
+inrange2064:
+  %t704 = extractvalue { ptr, i64, i64 } %t701, 0
+  %t705 = getelementptr inbounds %S.ast.Program, ptr %t704, i64 %t700
+  %t706 = getelementptr inbounds %S.ast.Program, ptr %t705, i32 0, i32 0
+  %t707 = load { ptr, i64, i64 }, ptr %t706
+  store { ptr, i64, i64 } { ptr @.str.1186, i64 3, i64 0 }, ptr %a709
+  store { ptr, i64, i64 } %t707, ptr %a710
+  call void @finch_str_concat(ptr %a708, ptr %a709, ptr %a710)
+  %t711 = load { ptr, i64, i64 }, ptr %a708
+  store { ptr, i64, i64 } %t711, ptr %a713
+  store { ptr, i64, i64 } { ptr @.str.1190, i64 1, i64 0 }, ptr %a714
+  call void @finch_str_concat(ptr %a712, ptr %a713, ptr %a714)
+  store { ptr, i64, i64 } %t711, ptr %a715
+  call void @finch_str_drop(ptr %a715)
+  %t716 = load { ptr, i64, i64 }, ptr %a712
+  %t717 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 1
+  %t718 = load { ptr, i64, i64 }, ptr %t717
+  store { ptr, i64, i64 } %t716, ptr %a720
+  store { ptr, i64, i64 } %t718, ptr %a721
+  call void @finch_str_concat(ptr %a719, ptr %a720, ptr %a721)
+  store { ptr, i64, i64 } %t716, ptr %a722
+  call void @finch_str_drop(ptr %a722)
+  %t723 = load { ptr, i64, i64 }, ptr %a719
+  store { ptr, i64, i64 } %t723, ptr %a725
+  store { ptr, i64, i64 } { ptr @.str.1191, i64 1, i64 0 }, ptr %a726
+  call void @finch_str_concat(ptr %a724, ptr %a725, ptr %a726)
+  store { ptr, i64, i64 } %t723, ptr %a727
+  call void @finch_str_drop(ptr %a727)
+  %t728 = load { ptr, i64, i64 }, ptr %a724
+  %t729 = load ptr, ptr %a1
+  %t730 = icmp eq ptr %t729, null
+  br i1 %t730, label %panic2065, label %ok2066
+panic2065:
+  call void @finch_panic(ptr @.str.1192, i64 302, ptr @.str.1193)
+  unreachable
+ok2066:
+  %t731 = getelementptr inbounds %S.gen.Gen, ptr %t729, i32 0, i32 1
+  %t732 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 13
+  %t733 = load i64, ptr %t732
+  %t734 = load { ptr, i64, i64 }, ptr %t731
+  %t735 = extractvalue { ptr, i64, i64 } %t734, 1
+  %t736 = icmp uge i64 %t733, %t735
+  br i1 %t736, label %range2067, label %inrange2068
+range2067:
+  call void @finch_panic_index(ptr @.str.1194, i64 302, i64 %t733, i64 %t735)
+  unreachable
+inrange2068:
+  %t737 = extractvalue { ptr, i64, i64 } %t734, 0
+  %t738 = getelementptr inbounds { ptr, i64, i64 }, ptr %t737, i64 %t733
+  %t739 = load { ptr, i64, i64 }, ptr %t738
+  store { ptr, i64, i64 } %t728, ptr %a741
+  store { ptr, i64, i64 } %t739, ptr %a742
+  call void @finch_str_concat(ptr %a740, ptr %a741, ptr %a742)
+  store { ptr, i64, i64 } %t728, ptr %a743
+  call void @finch_str_drop(ptr %a743)
+  %t744 = load { ptr, i64, i64 }, ptr %a740
+  store { ptr, i64, i64 } %t744, ptr %a746
+  store { ptr, i64, i64 } { ptr @.str.1195, i64 1, i64 0 }, ptr %a747
+  call void @finch_str_concat(ptr %a745, ptr %a746, ptr %a747)
+  store { ptr, i64, i64 } %t744, ptr %a748
+  call void @finch_str_drop(ptr %a748)
+  %t749 = load { ptr, i64, i64 }, ptr %a745
+  %t750 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 11
+  %t751 = load i64, ptr %t750
+  call void @finch_str_from_int(ptr %a752, i64 %t751)
+  %t753 = load { ptr, i64, i64 }, ptr %a752
+  store { ptr, i64, i64 } %t749, ptr %a755
+  store { ptr, i64, i64 } %t753, ptr %a756
+  call void @finch_str_concat(ptr %a754, ptr %a755, ptr %a756)
+  store { ptr, i64, i64 } %t749, ptr %a757
+  call void @finch_str_drop(ptr %a757)
+  store { ptr, i64, i64 } %t753, ptr %a758
+  call void @finch_str_drop(ptr %a758)
+  %t759 = load { ptr, i64, i64 }, ptr %a754
+  store { ptr, i64, i64 } %t759, ptr %a761
+  store { ptr, i64, i64 } { ptr @.str.1196, i64 1, i64 0 }, ptr %a762
+  call void @finch_str_concat(ptr %a760, ptr %a761, ptr %a762)
+  store { ptr, i64, i64 } %t759, ptr %a763
+  call void @finch_str_drop(ptr %a763)
+  %t764 = load { ptr, i64, i64 }, ptr %a760
+  %t765 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 12
+  %t766 = load i64, ptr %t765
+  call void @finch_str_from_int(ptr %a767, i64 %t766)
+  %t768 = load { ptr, i64, i64 }, ptr %a767
+  store { ptr, i64, i64 } %t764, ptr %a770
+  store { ptr, i64, i64 } %t768, ptr %a771
+  call void @finch_str_concat(ptr %a769, ptr %a770, ptr %a771)
+  store { ptr, i64, i64 } %t764, ptr %a772
+  call void @finch_str_drop(ptr %a772)
+  store { ptr, i64, i64 } %t768, ptr %a773
+  call void @finch_str_drop(ptr %a773)
+  %t774 = load { ptr, i64, i64 }, ptr %a769
+  store { ptr, i64, i64 } %t774, ptr %a776
+  store { ptr, i64, i64 } { ptr @.str.1197, i64 1, i64 0 }, ptr %a777
+  call void @finch_str_concat(ptr %a775, ptr %a776, ptr %a777)
+  store { ptr, i64, i64 } %t774, ptr %a778
+  call void @finch_str_drop(ptr %a778)
+  %t779 = load { ptr, i64, i64 }, ptr %a775
+  %t780 = load { ptr, i64, i64 }, ptr %a663
+  store { ptr, i64, i64 } %t779, ptr %a782
+  store { ptr, i64, i64 } %t780, ptr %a783
+  call void @finch_str_concat(ptr %a781, ptr %a782, ptr %a783)
+  store { ptr, i64, i64 } %t779, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = load { ptr, i64, i64 }, ptr %a781
+  %t786 = load i64, ptr %t696
+  %t787 = add i64 %t786, 1
+  call void @finch_arr_reserve(ptr %t695, i64 %t787, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t788 = load ptr, ptr %t695
+  %t789 = getelementptr inbounds { ptr, i64, i64 }, ptr %t788, i64 %t786
+  store { ptr, i64, i64 } %t785, ptr %t789
+  store i64 %t787, ptr %t696
+  call void @finch.drop.arr_str(ptr %a664)
+  call void @finch_str_drop(ptr %a663)
+  call void @finch.drop.S_ast_Node(ptr %a662)
+  br label %each.step2053
+each.step2053:
+  %t790 = load i64, ptr %a651
+  %t791 = add i64 %t790, 1
+  store i64 %t791, ptr %a651
+  br label %each.cond2051
+each.end2054:
+  br label %for.step2045
+for.step2045:
+  %t792 = load i64, ptr %a638
+  %t793 = add i64 %t792, 1
+  store i64 %t793, ptr %a638
+  br label %for.cond2043
+for.end2046:
   ret void
 }
 
@@ -20971,161 +23666,191 @@ entry:
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2005, label %ok2006
-panic2005:
-  call void @finch_panic(ptr @.str.1189, i64 288, ptr @.str.1190)
+  br i1 %t5, label %panic2069, label %ok2070
+panic2069:
+  call void @finch_panic(ptr @.str.1198, i64 308, ptr @.str.1199)
   unreachable
-ok2006:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok2070:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
-  br label %logic.from2007
-logic.from2007:
-  br i1 %t7, label %logic.rhs2008, label %logic.end2009
-logic.rhs2008:
+  br label %logic.from2071
+logic.from2071:
+  br i1 %t7, label %logic.rhs2072, label %logic.end2073
+logic.rhs2072:
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic2010, label %ok2011
-panic2010:
-  call void @finch_panic(ptr @.str.1191, i64 288, ptr @.str.1192)
+  br i1 %t9, label %panic2074, label %ok2075
+panic2074:
+  call void @finch_panic(ptr @.str.1200, i64 308, ptr @.str.1201)
   unreachable
-ok2011:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 27
+ok2075:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 28
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = icmp sgt i64 %t12, 0
-  br label %logic.rend2012
-logic.rend2012:
-  br label %logic.end2009
-logic.end2009:
-  %t14 = phi i1 [ false, %logic.from2007 ], [ %t13, %logic.rend2012 ]
-  br i1 %t14, label %then2013, label %endif2015
-then2013:
+  br label %logic.rend2076
+logic.rend2076:
+  br label %logic.end2073
+logic.end2073:
+  %t14 = phi i1 [ false, %logic.from2071 ], [ %t13, %logic.rend2076 ]
+  br i1 %t14, label %then2077, label %endif2079
+then2077:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic2016, label %ok2017
-panic2016:
-  call void @finch_panic(ptr @.str.1193, i64 289, ptr @.str.1194)
+  br i1 %t16, label %panic2080, label %ok2081
+panic2080:
+  call void @finch_panic(ptr @.str.1202, i64 309, ptr @.str.1203)
   unreachable
-ok2017:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 27
+ok2081:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 28
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1195, i64 1, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1204, i64 1, i64 0 }, ptr %a19
   call void @finch_str_join(ptr %a20, ptr %t17, ptr %a19)
   %t21 = load { ptr, i64, i64 }, ptr %a20
   %t22 = extractvalue { ptr, i64, i64 } %t21, 1
   %t23 = trunc i64 %t22 to i32
   %t24 = extractvalue { ptr, i64, i64 } %t21, 0
   %t25 = icmp eq ptr %t24, null
-  %t26 = select i1 %t25, ptr @.str.1196, ptr %t24
-  %t27 = call i32 (ptr, ...) @printf(ptr @.str.1197, i32 %t23, ptr %t26)
-  %t28 = call i32 (ptr, ...) @printf(ptr @.str.1198)
-  br label %endif2015
-endif2015:
-  %t29 = load ptr, ptr %a1
-  %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2018, label %ok2019
-panic2018:
-  call void @finch_panic(ptr @.str.1199, i64 291, ptr @.str.1200)
+  %t26 = select i1 %t25, ptr @.str.1205, ptr %t24
+  %t27 = call i32 (ptr, ...) @printf(ptr @.str.1206, i32 %t23, ptr %t26)
+  store { ptr, i64, i64 } %t21, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = call i32 (ptr, ...) @printf(ptr @.str.1207)
+  br label %endif2079
+endif2079:
+  %t30 = load ptr, ptr %a1
+  %t31 = icmp eq ptr %t30, null
+  br i1 %t31, label %panic2082, label %ok2083
+panic2082:
+  call void @finch_panic(ptr @.str.1208, i64 311, ptr @.str.1209)
   unreachable
-ok2019:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 1
-  %t32 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t33 = load i64, ptr %t32
-  %t34 = load { ptr, i64, i64 }, ptr %t31
-  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
-  %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range2020, label %inrange2021
-range2020:
-  call void @finch_panic_index(ptr @.str.1201, i64 291, i64 %t33, i64 %t35)
+ok2083:
+  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 1
+  %t33 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t34 = load i64, ptr %t33
+  %t35 = load { ptr, i64, i64 }, ptr %t32
+  %t36 = extractvalue { ptr, i64, i64 } %t35, 1
+  %t37 = icmp uge i64 %t34, %t36
+  br i1 %t37, label %range2084, label %inrange2085
+range2084:
+  call void @finch_panic_index(ptr @.str.1210, i64 311, i64 %t34, i64 %t36)
   unreachable
-inrange2021:
-  %t37 = extractvalue { ptr, i64, i64 } %t34, 0
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t33
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  store { ptr, i64, i64 } %t39, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.1202, i64 1, i64 0 }, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t45 = load i64, ptr %t44
-  call void @finch_str_from_int(ptr %a46, i64 %t45)
-  %t47 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t43, ptr %a49
-  store { ptr, i64, i64 } %t47, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.1203, i64 1, i64 0 }, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  %t56 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t57 = load i64, ptr %t56
-  call void @finch_str_from_int(ptr %a58, i64 %t57)
-  %t59 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t55, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.1204, i64 9, i64 0 }, ptr %a66
+inrange2085:
+  %t38 = extractvalue { ptr, i64, i64 } %t35, 0
+  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i64 %t34
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1211, i64 1, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a41
+  %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t46 = load i64, ptr %t45
+  call void @finch_str_from_int(ptr %a47, i64 %t46)
+  %t48 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t44, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t44, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.1212, i64 1, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t61 = load i64, ptr %t60
+  call void @finch_str_from_int(ptr %a62, i64 %t61)
+  %t63 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t59, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t67, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load ptr, ptr %a1
-  %t74 = icmp eq ptr %t73, null
-  br i1 %t74, label %panic2022, label %ok2023
-panic2022:
-  call void @finch_panic(ptr @.str.1205, i64 291, ptr @.str.1206)
+  store { ptr, i64, i64 } %t59, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.1213, i64 9, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t74, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic2086, label %ok2087
+panic2086:
+  call void @finch_panic(ptr @.str.1214, i64 311, ptr @.str.1215)
   unreachable
-ok2023:
-  %t75 = getelementptr inbounds %S.gen.Gen, ptr %t73, i32 0, i32 19
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  store { ptr, i64, i64 } %t72, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = extractvalue { ptr, i64, i64 } %t80, 1
-  %t82 = trunc i64 %t81 to i32
-  %t83 = extractvalue { ptr, i64, i64 } %t80, 0
-  %t84 = icmp eq ptr %t83, null
-  %t85 = select i1 %t84, ptr @.str.1207, ptr %t83
-  %t86 = call i32 (ptr, ...) @printf(ptr @.str.1208, i32 %t82, ptr %t85)
-  %t87 = call i32 (ptr, ...) @printf(ptr @.str.1209)
-  %t88 = trunc i64 1 to i32
-  %t89 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t88)
+ok2087:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 20
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } %t80, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t80, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  %t90 = extractvalue { ptr, i64, i64 } %t89, 1
+  %t91 = trunc i64 %t90 to i32
+  %t92 = extractvalue { ptr, i64, i64 } %t89, 0
+  %t93 = icmp eq ptr %t92, null
+  %t94 = select i1 %t93, ptr @.str.1216, ptr %t92
+  %t95 = call i32 (ptr, ...) @printf(ptr @.str.1217, i32 %t91, ptr %t94)
+  store { ptr, i64, i64 } %t89, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = call i32 (ptr, ...) @printf(ptr @.str.1218)
+  %t98 = trunc i64 1 to i32
+  %t99 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t98)
   ret void
 }
 
@@ -21142,97 +23867,106 @@ entry:
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2024, label %ok2025
-panic2024:
-  call void @finch_panic(ptr @.str.1210, i64 297, ptr @.str.1211)
+  br i1 %t4, label %panic2088, label %ok2089
+panic2088:
+  call void @finch_panic(ptr @.str.1219, i64 317, ptr @.str.1220)
   unreachable
-ok2025:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 34
+ok2089:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 35
   %t6 = load i64, ptr %t5
   %t7 = icmp sge i64 %t6, 0
-  br label %logic.from2026
-logic.from2026:
-  br i1 %t7, label %logic.rhs2027, label %logic.end2028
-logic.rhs2027:
+  br label %logic.from2090
+logic.from2090:
+  br i1 %t7, label %logic.rhs2091, label %logic.end2092
+logic.rhs2091:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1213, i64 5, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1222, i64 5, i64 0 }, ptr %a11
   %t12 = call i64 @finch_str_find(ptr %a9, ptr %a11)
   %t13 = icmp sge i64 %t12, 0
-  br label %logic.rend2029
-logic.rend2029:
-  br label %logic.end2028
-logic.end2028:
-  %t14 = phi i1 [ false, %logic.from2026 ], [ %t13, %logic.rend2029 ]
-  br i1 %t14, label %then2030, label %endif2032
-then2030:
+  br label %logic.rend2093
+logic.rend2093:
+  br label %logic.end2092
+logic.end2092:
+  %t14 = phi i1 [ false, %logic.from2090 ], [ %t13, %logic.rend2093 ]
+  br i1 %t14, label %then2094, label %endif2096
+then2094:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic2033, label %ok2034
-panic2033:
-  call void @finch_panic(ptr @.str.1214, i64 298, ptr @.str.1215)
+  br i1 %t16, label %panic2097, label %ok2098
+panic2097:
+  call void @finch_panic(ptr @.str.1223, i64 318, ptr @.str.1224)
   unreachable
-ok2034:
+ok2098:
   %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 4
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1216, i64 2, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1225, i64 2, i64 0 }, ptr %a21
   store { ptr, i64, i64 } %t19, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
   %t23 = load { ptr, i64, i64 }, ptr %a20
   store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1217, i64 8, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1226, i64 8, i64 0 }, ptr %a26
   call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = load ptr, ptr %a1
-  %t29 = call i64 @finch.gen.dbgLocation(ptr %t28)
-  call void @finch_str_from_int(ptr %a30, i64 %t29)
-  %t31 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t27, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = load i64, ptr %t18
-  %t37 = add i64 %t36, 1
-  call void @finch_arr_reserve(ptr %t17, i64 %t37, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t38 = load ptr, ptr %t17
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i64 %t36
-  store { ptr, i64, i64 } %t35, ptr %t39
-  store i64 %t37, ptr %t18
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  %t29 = load ptr, ptr %a1
+  %t30 = call i64 @finch.gen.dbgLocation(ptr %t29)
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t28, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t28, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  %t39 = load i64, ptr %t18
+  %t40 = add i64 %t39, 1
+  call void @finch_arr_reserve(ptr %t17, i64 %t40, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t41 = load ptr, ptr %t17
+  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i64 %t39
+  store { ptr, i64, i64 } %t38, ptr %t42
+  store i64 %t40, ptr %t18
   ret void
-endif2032:
-  %t40 = load ptr, ptr %a1
-  %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic2035, label %ok2036
-panic2035:
-  call void @finch_panic(ptr @.str.1218, i64 301, ptr @.str.1219)
+endif2096:
+  %t43 = load ptr, ptr %a1
+  %t44 = icmp eq ptr %t43, null
+  br i1 %t44, label %panic2099, label %ok2100
+panic2099:
+  call void @finch_panic(ptr @.str.1227, i64 321, ptr @.str.1228)
   unreachable
-ok2036:
-  %t42 = getelementptr inbounds %S.gen.Gen, ptr %t40, i32 0, i32 4
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
-  %t44 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1220, i64 2, i64 0 }, ptr %a46
-  store { ptr, i64, i64 } %t44, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load i64, ptr %t43
-  %t50 = add i64 %t49, 1
-  call void @finch_arr_reserve(ptr %t42, i64 %t50, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t51 = load ptr, ptr %t42
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i64 %t49
-  store { ptr, i64, i64 } %t48, ptr %t52
-  store i64 %t50, ptr %t43
+ok2100:
+  %t45 = getelementptr inbounds %S.gen.Gen, ptr %t43, i32 0, i32 4
+  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i32 0, i32 1
+  %t47 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1229, i64 2, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } %t47, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a48
+  %t52 = load i64, ptr %t46
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %t45, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %t45
+  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
+  store { ptr, i64, i64 } %t51, ptr %t55
+  store i64 %t53, ptr %t46
   ret void
 }
 
@@ -21243,34 +23977,37 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic2037, label %ok2038
-panic2037:
-  call void @finch_panic(ptr @.str.1221, i64 305, ptr @.str.1222)
+  br i1 %t3, label %panic2101, label %ok2102
+panic2101:
+  call void @finch_panic(ptr @.str.1230, i64 325, ptr @.str.1231)
   unreachable
-ok2038:
+ok2102:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 6
   %t5 = load i64, ptr %t4
   %t6 = add i64 %t5, 1
   store i64 %t6, ptr %t4
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic2039, label %ok2040
-panic2039:
-  call void @finch_panic(ptr @.str.1224, i64 306, ptr @.str.1225)
+  br i1 %t8, label %panic2103, label %ok2104
+panic2103:
+  call void @finch_panic(ptr @.str.1233, i64 326, ptr @.str.1234)
   unreachable
-ok2040:
+ok2104:
   %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 6
   %t10 = load i64, ptr %t9
   call void @finch_str_from_int(ptr %a11, i64 %t10)
   %t12 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1223, i64 2, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1232, i64 2, i64 0 }, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  ret { ptr, i64, i64 } %t16
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  ret { ptr, i64, i64 } %t17
 }
 
 define internal { ptr, i64, i64 } @finch.gen.newLabel(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -21281,15 +24018,16 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2041, label %ok2042
-panic2041:
-  call void @finch_panic(ptr @.str.1226, i64 310, ptr @.str.1227)
+  br i1 %t4, label %panic2105, label %ok2106
+panic2105:
+  call void @finch_panic(ptr @.str.1235, i64 330, ptr @.str.1236)
   unreachable
-ok2042:
+ok2106:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 7
   %t6 = load i64, ptr %t5
   %t7 = add i64 %t6, 1
@@ -21297,11 +24035,11 @@ ok2042:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic2043, label %ok2044
-panic2043:
-  call void @finch_panic(ptr @.str.1228, i64 311, ptr @.str.1229)
+  br i1 %t10, label %panic2107, label %ok2108
+panic2107:
+  call void @finch_panic(ptr @.str.1237, i64 331, ptr @.str.1238)
   unreachable
-ok2044:
+ok2108:
   %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 7
   %t12 = load i64, ptr %t11
   call void @finch_str_from_int(ptr %a13, i64 %t12)
@@ -21309,8 +24047,10 @@ ok2044:
   store { ptr, i64, i64 } %t8, ptr %a16
   store { ptr, i64, i64 } %t14, ptr %a17
   call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  ret { ptr, i64, i64 } %t18
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  ret { ptr, i64, i64 } %t19
 }
 
 define internal void @finch.gen.label(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -21324,16 +24064,16 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2045, label %ok2046
-panic2045:
-  call void @finch_panic(ptr @.str.1230, i64 315, ptr @.str.1231)
+  br i1 %t4, label %panic2109, label %ok2110
+panic2109:
+  call void @finch_panic(ptr @.str.1239, i64 335, ptr @.str.1240)
   unreachable
-ok2046:
+ok2110:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 4
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1232, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1241, i64 1, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   %t12 = load i64, ptr %t6
@@ -21345,11 +24085,11 @@ ok2046:
   store i64 %t13, ptr %t6
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic2047, label %ok2048
-panic2047:
-  call void @finch_panic(ptr @.str.1233, i64 316, ptr @.str.1234)
+  br i1 %t17, label %panic2111, label %ok2112
+panic2111:
+  call void @finch_panic(ptr @.str.1242, i64 336, ptr @.str.1243)
   unreachable
-ok2048:
+ok2112:
   %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 9
   store i1 false, ptr %t18
   ret void
@@ -21362,38 +24102,41 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2049, label %ok2050
-panic2049:
-  call void @finch_panic(ptr @.str.1235, i64 320, ptr @.str.1236)
+  br i1 %t4, label %panic2113, label %ok2114
+panic2113:
+  call void @finch_panic(ptr @.str.1244, i64 340, ptr @.str.1245)
   unreachable
-ok2050:
+ok2114:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 9
   %t6 = load i1, ptr %t5
   %t7 = xor i1 %t6, true
-  br i1 %t7, label %then2051, label %endif2053
-then2051:
+  br i1 %t7, label %then2115, label %endif2117
+then2115:
   %t8 = load ptr, ptr %a1
   %t9 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1237, i64 10, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1246, i64 10, i64 0 }, ptr %a11
   store { ptr, i64, i64 } %t9, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
   %t13 = load { ptr, i64, i64 }, ptr %a10
   call void @finch.gen.emit(ptr %t8, { ptr, i64, i64 } %t13)
-  %t14 = load ptr, ptr %a1
-  %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic2054, label %ok2055
-panic2054:
-  call void @finch_panic(ptr @.str.1238, i64 322, ptr @.str.1239)
+  store { ptr, i64, i64 } %t13, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load ptr, ptr %a1
+  %t16 = icmp eq ptr %t15, null
+  br i1 %t16, label %panic2118, label %ok2119
+panic2118:
+  call void @finch_panic(ptr @.str.1247, i64 342, ptr @.str.1248)
   unreachable
-ok2055:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 9
-  store i1 true, ptr %t16
-  br label %endif2053
-endif2053:
+ok2119:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 9
+  store i1 true, ptr %t17
+  br label %endif2117
+endif2117:
   ret void
 }
 
@@ -21409,53 +24152,68 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1240, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.1249, i64 6, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1241, i64 9, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.1250, i64 9, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t14, ptr %a17
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t15, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.1242, i64 9, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t23, ptr %a26
-  store { ptr, i64, i64 } %t24, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t28)
-  %t29 = load ptr, ptr %a1
-  %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2056, label %ok2057
-panic2056:
-  call void @finch_panic(ptr @.str.1243, i64 328, ptr @.str.1244)
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.1251, i64 9, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t26, ptr %a29
+  store { ptr, i64, i64 } %t27, ptr %a30
+  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t32)
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load ptr, ptr %a1
+  %t35 = icmp eq ptr %t34, null
+  br i1 %t35, label %panic2120, label %ok2121
+panic2120:
+  call void @finch_panic(ptr @.str.1252, i64 348, ptr @.str.1253)
   unreachable
-ok2057:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 9
-  store i1 true, ptr %t31
+ok2121:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 9
+  store i1 true, ptr %t36
   ret void
 }
 
@@ -21467,89 +24225,96 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2058, label %ok2059
-panic2058:
-  call void @finch_panic(ptr @.str.1245, i64 332, ptr @.str.1246)
+  br i1 %t4, label %panic2122, label %ok2123
+panic2122:
+  call void @finch_panic(ptr @.str.1254, i64 352, ptr @.str.1255)
   unreachable
-ok2059:
+ok2123:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 6
   %t6 = load i64, ptr %t5
   %t7 = add i64 %t6, 1
   store i64 %t7, ptr %t5
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic2060, label %ok2061
-panic2060:
-  call void @finch_panic(ptr @.str.1248, i64 333, ptr @.str.1249)
+  br i1 %t9, label %panic2124, label %ok2125
+panic2124:
+  call void @finch_panic(ptr @.str.1257, i64 353, ptr @.str.1258)
   unreachable
-ok2061:
+ok2125:
   %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 6
   %t11 = load i64, ptr %t10
   call void @finch_str_from_int(ptr %a12, i64 %t11)
   %t13 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1247, i64 2, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1256, i64 2, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a18
-  %t19 = load ptr, ptr %a1
-  %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic2062, label %ok2063
-panic2062:
-  call void @finch_panic(ptr @.str.1250, i64 334, ptr @.str.1251)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a19
+  %t20 = load ptr, ptr %a1
+  %t21 = icmp eq ptr %t20, null
+  br i1 %t21, label %panic2126, label %ok2127
+panic2126:
+  call void @finch_panic(ptr @.str.1259, i64 354, ptr @.str.1260)
   unreachable
-ok2063:
-  %t21 = getelementptr inbounds %S.gen.Gen, ptr %t19, i32 0, i32 5
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
-  %t23 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1252, i64 2, i64 0 }, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t27, ptr %a29
-  store { ptr, i64, i64 } { ptr @.str.1253, i64 10, i64 0 }, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  %t32 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t31, ptr %a34
-  store { ptr, i64, i64 } %t32, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t36, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.1254, i64 10, i64 0 }, ptr %a39
-  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  %t41 = load i64, ptr %t22
-  %t42 = add i64 %t41, 1
-  call void @finch_arr_reserve(ptr %t21, i64 %t42, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t43 = load ptr, ptr %t21
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
-  store { ptr, i64, i64 } %t40, ptr %t44
-  store i64 %t42, ptr %t22
-  %t45 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t45, ptr %a46
-  call void @finch_str_copy(ptr %a47, ptr %a46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  ret { ptr, i64, i64 } %t48
+ok2127:
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 5
+  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
+  %t24 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1261, i64 2, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1262, i64 10, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t33, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1263, i64 10, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load i64, ptr %t23
+  %t46 = add i64 %t45, 1
+  call void @finch_arr_reserve(ptr %t22, i64 %t46, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t47 = load ptr, ptr %t22
+  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t45
+  store { ptr, i64, i64 } %t44, ptr %t48
+  store i64 %t46, ptr %t23
+  %t49 = load { ptr, i64, i64 }, ptr %a19
+  ret { ptr, i64, i64 } %t49
 }
 
 define internal { ptr, i64, i64 } @finch.gen.load(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
@@ -21564,14 +24329,16 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -21581,29 +24348,34 @@ entry:
   %t7 = load ptr, ptr %a1
   %t8 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1255, i64 8, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1264, i64 8, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t12, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.1256, i64 6, i64 0 }, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  %t22 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t21, ptr %a24
-  store { ptr, i64, i64 } %t22, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  call void @finch.gen.emit(ptr %t7, { ptr, i64, i64 } %t26)
-  %t27 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t27, ptr %a28
-  call void @finch_str_copy(ptr %a29, ptr %a28)
-  %t30 = load { ptr, i64, i64 }, ptr %a29
-  ret { ptr, i64, i64 } %t30
+  store { ptr, i64, i64 } %t12, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.1265, i64 6, i64 0 }, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  %t24 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t23, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t23, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.emit(ptr %t7, { ptr, i64, i64 } %t29)
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a6
+  ret { ptr, i64, i64 } %t31
 }
 
 define internal void @finch.gen.store(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, { ptr, i64, i64 } %p3) {
@@ -21618,44 +24390,59 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1257, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.1266, i64 6, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1258, i64 1, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.1267, i64 1, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t14, ptr %a17
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t15, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.1259, i64 6, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t23, ptr %a26
-  store { ptr, i64, i64 } %t24, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t28)
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.1268, i64 6, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t26, ptr %a29
+  store { ptr, i64, i64 } %t27, ptr %a30
+  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t32)
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
   ret void
 }
 
@@ -21664,8 +24451,8 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.gen.Val, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.Val %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -21674,21 +24461,22 @@ entry:
   %t6 = load %S.ast.Type, ptr %t5
   %t7 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t4, %S.ast.Type %t6)
   %t8 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t3, { ptr, i64, i64 } %t7)
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t7, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  store { ptr, i64, i64 } %t8, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t13 = load %S.ast.Type, ptr %t12
-  %t14 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t11, %S.ast.Type %t13)
-  %t15 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t16 = load { ptr, i64, i64 }, ptr %t15
-  %t17 = load { ptr, i64, i64 }, ptr %a9
-  call void @finch.gen.store(ptr %t10, { ptr, i64, i64 } %t14, { ptr, i64, i64 } %t16, { ptr, i64, i64 } %t17)
-  %t18 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t18, ptr %a19
-  call void @finch_str_copy(ptr %a20, ptr %a19)
-  %t21 = load { ptr, i64, i64 }, ptr %a20
-  ret { ptr, i64, i64 } %t21
+  %t12 = load ptr, ptr %a1
+  %t13 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t14 = load %S.ast.Type, ptr %t13
+  %t15 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t12, %S.ast.Type %t14)
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t17 = load { ptr, i64, i64 }, ptr %t16
+  %t18 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.store(ptr %t11, { ptr, i64, i64 } %t15, { ptr, i64, i64 } %t17, { ptr, i64, i64 } %t18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t20
 }
 
 define internal { ptr, i64, i64 } @finch.gen.op(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -21702,8 +24490,8 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -21712,20 +24500,21 @@ entry:
   %t6 = load ptr, ptr %a1
   %t7 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1260, i64 3, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1269, i64 3, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   %t12 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t11, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  call void @finch.gen.emit(ptr %t6, { ptr, i64, i64 } %t16)
-  %t17 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t11, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  call void @finch.gen.emit(ptr %t6, { ptr, i64, i64 } %t17)
   store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_copy(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t20
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a5
+  ret { ptr, i64, i64 } %t19
 }
 
 define internal i1 @finch.gen.has({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
@@ -21744,27 +24533,27 @@ entry:
   %t6 = load i64, ptr %t3
   %t7 = load ptr, ptr %a1
   store i64 0, ptr %a8
-  br label %find.cond2064
-find.cond2064:
+  br label %find.cond2128
+find.cond2128:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t6
-  br i1 %t10, label %find.body2065, label %find.end2068
-find.body2065:
+  br i1 %t10, label %find.body2129, label %find.end2132
+find.body2129:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i64 %t9
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
   store { ptr, i64, i64 } %t4, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br i1 %t16, label %find.hit2066, label %find.next2067
-find.hit2066:
+  br i1 %t16, label %find.hit2130, label %find.next2131
+find.hit2130:
   store i64 %t9, ptr %a5
-  br label %find.end2068
-find.next2067:
+  br label %find.end2132
+find.next2131:
   %t17 = add i64 %t9, 1
   store i64 %t17, ptr %a8
-  br label %find.cond2064
-find.end2068:
+  br label %find.cond2128
+find.end2132:
   %t18 = load i64, ptr %a5
   %t19 = icmp sge i64 %t18, 0
   ret i1 %t19
@@ -21802,51 +24591,52 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1261, i64 3, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1270, i64 3, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br label %logic.from2069
-logic.from2069:
-  br i1 %t12, label %logic.end2071, label %logic.rhs2070
-logic.rhs2070:
+  br label %logic.from2133
+logic.from2133:
+  br i1 %t12, label %logic.end2135, label %logic.rhs2134
+logic.rhs2134:
   %t13 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1262, i64 2, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1271, i64 2, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br label %logic.rend2072
-logic.rend2072:
-  br label %logic.end2071
-logic.end2071:
-  %t18 = phi i1 [ true, %logic.from2069 ], [ %t17, %logic.rend2072 ]
-  br label %logic.from2073
-logic.from2073:
-  br i1 %t18, label %logic.end2075, label %logic.rhs2074
-logic.rhs2074:
+  br label %logic.rend2136
+logic.rend2136:
+  br label %logic.end2135
+logic.end2135:
+  %t18 = phi i1 [ true, %logic.from2133 ], [ %t17, %logic.rend2136 ]
+  br label %logic.from2137
+logic.from2137:
+  br i1 %t18, label %logic.end2139, label %logic.rhs2138
+logic.rhs2138:
   %t19 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1263, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1272, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend2076
-logic.rend2076:
-  br label %logic.end2075
-logic.end2075:
-  %t24 = phi i1 [ true, %logic.from2073 ], [ %t23, %logic.rend2076 ]
-  br label %logic.from2077
-logic.from2077:
-  br i1 %t24, label %logic.end2079, label %logic.rhs2078
-logic.rhs2078:
+  br label %logic.rend2140
+logic.rend2140:
+  br label %logic.end2139
+logic.end2139:
+  %t24 = phi i1 [ true, %logic.from2137 ], [ %t23, %logic.rend2140 ]
+  br label %logic.from2141
+logic.from2141:
+  br i1 %t24, label %logic.end2143, label %logic.rhs2142
+logic.rhs2142:
   %t25 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.1264, i64 3, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1273, i64 3, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend2080
-logic.rend2080:
-  br label %logic.end2079
-logic.end2079:
-  %t30 = phi i1 [ true, %logic.from2077 ], [ %t29, %logic.rend2080 ]
+  br label %logic.rend2144
+logic.rend2144:
+  br label %logic.end2143
+logic.end2143:
+  %t30 = phi i1 [ true, %logic.from2141 ], [ %t29, %logic.rend2144 ]
+  call void @finch_str_drop(ptr %a7)
   ret i1 %t30
 }
 
@@ -21873,51 +24663,52 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1265, i64 2, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1274, i64 2, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br label %logic.from2081
-logic.from2081:
-  br i1 %t12, label %logic.end2083, label %logic.rhs2082
-logic.rhs2082:
+  br label %logic.from2145
+logic.from2145:
+  br i1 %t12, label %logic.end2147, label %logic.rhs2146
+logic.rhs2146:
   %t13 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1266, i64 3, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1275, i64 3, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br label %logic.rend2084
-logic.rend2084:
-  br label %logic.end2083
-logic.end2083:
-  %t18 = phi i1 [ true, %logic.from2081 ], [ %t17, %logic.rend2084 ]
-  br label %logic.from2085
-logic.from2085:
-  br i1 %t18, label %logic.end2087, label %logic.rhs2086
-logic.rhs2086:
+  br label %logic.rend2148
+logic.rend2148:
+  br label %logic.end2147
+logic.end2147:
+  %t18 = phi i1 [ true, %logic.from2145 ], [ %t17, %logic.rend2148 ]
+  br label %logic.from2149
+logic.from2149:
+  br i1 %t18, label %logic.end2151, label %logic.rhs2150
+logic.rhs2150:
   %t19 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1267, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1276, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend2088
-logic.rend2088:
-  br label %logic.end2087
-logic.end2087:
-  %t24 = phi i1 [ true, %logic.from2085 ], [ %t23, %logic.rend2088 ]
-  br label %logic.from2089
-logic.from2089:
-  br i1 %t24, label %logic.end2091, label %logic.rhs2090
-logic.rhs2090:
+  br label %logic.rend2152
+logic.rend2152:
+  br label %logic.end2151
+logic.end2151:
+  %t24 = phi i1 [ true, %logic.from2149 ], [ %t23, %logic.rend2152 ]
+  br label %logic.from2153
+logic.from2153:
+  br i1 %t24, label %logic.end2155, label %logic.rhs2154
+logic.rhs2154:
   %t25 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.1268, i64 3, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1277, i64 3, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend2092
-logic.rend2092:
-  br label %logic.end2091
-logic.end2091:
-  %t30 = phi i1 [ true, %logic.from2089 ], [ %t29, %logic.rend2092 ]
+  br label %logic.rend2156
+logic.rend2156:
+  br label %logic.end2155
+logic.end2155:
+  %t30 = phi i1 [ true, %logic.from2153 ], [ %t29, %logic.rend2156 ]
+  call void @finch_str_drop(ptr %a7)
   ret i1 %t30
 }
 
@@ -21927,17 +24718,17 @@ entry:
   store %S.ast.Type %p0, ptr %a1
   %t2 = load %S.ast.Type, ptr %a1
   %t3 = call i1 @finch.gen.isSigned(%S.ast.Type %t2)
-  br label %logic.from2093
-logic.from2093:
-  br i1 %t3, label %logic.end2095, label %logic.rhs2094
-logic.rhs2094:
+  br label %logic.from2157
+logic.from2157:
+  br i1 %t3, label %logic.end2159, label %logic.rhs2158
+logic.rhs2158:
   %t4 = load %S.ast.Type, ptr %a1
   %t5 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t4)
-  br label %logic.rend2096
-logic.rend2096:
-  br label %logic.end2095
-logic.end2095:
-  %t6 = phi i1 [ true, %logic.from2093 ], [ %t5, %logic.rend2096 ]
+  br label %logic.rend2160
+logic.rend2160:
+  br label %logic.end2159
+logic.end2159:
+  %t6 = phi i1 [ true, %logic.from2157 ], [ %t5, %logic.rend2160 ]
   ret i1 %t6
 }
 
@@ -21952,24 +24743,24 @@ entry:
   %t2 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.1269, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1278, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br label %logic.from2097
-logic.from2097:
-  br i1 %t7, label %logic.end2099, label %logic.rhs2098
-logic.rhs2098:
+  br label %logic.from2161
+logic.from2161:
+  br i1 %t7, label %logic.end2163, label %logic.rhs2162
+logic.rhs2162:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1270, i64 3, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1279, i64 3, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.rend2100
-logic.rend2100:
-  br label %logic.end2099
-logic.end2099:
-  %t14 = phi i1 [ true, %logic.from2097 ], [ %t13, %logic.rend2100 ]
+  br label %logic.rend2164
+logic.rend2164:
+  br label %logic.end2163
+logic.end2163:
+  %t14 = phi i1 [ true, %logic.from2161 ], [ %t13, %logic.rend2164 ]
   ret i1 %t14
 }
 
@@ -21979,17 +24770,17 @@ entry:
   store %S.ast.Type %p0, ptr %a1
   %t2 = load %S.ast.Type, ptr %a1
   %t3 = call i1 @finch.gen.isInt(%S.ast.Type %t2)
-  br label %logic.from2101
-logic.from2101:
-  br i1 %t3, label %logic.end2103, label %logic.rhs2102
-logic.rhs2102:
+  br label %logic.from2165
+logic.from2165:
+  br i1 %t3, label %logic.end2167, label %logic.rhs2166
+logic.rhs2166:
   %t4 = load %S.ast.Type, ptr %a1
   %t5 = call i1 @finch.gen.isFloat(%S.ast.Type %t4)
-  br label %logic.rend2104
-logic.rend2104:
-  br label %logic.end2103
-logic.end2103:
-  %t6 = phi i1 [ true, %logic.from2101 ], [ %t5, %logic.rend2104 ]
+  br label %logic.rend2168
+logic.rend2168:
+  br label %logic.end2167
+logic.end2167:
+  %t6 = phi i1 [ true, %logic.from2165 ], [ %t5, %logic.rend2168 ]
   ret i1 %t6
 }
 
@@ -22026,110 +24817,115 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1271, i64 4, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1280, i64 4, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then2105, label %endif2107
-then2105:
+  br i1 %t12, label %then2169, label %endif2171
+then2169:
+  call void @finch_str_drop(ptr %a7)
   ret i64 1
-endif2107:
+endif2171:
   %t13 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1272, i64 4, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1281, i64 4, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br label %logic.from2108
-logic.from2108:
-  br i1 %t17, label %logic.end2110, label %logic.rhs2109
-logic.rhs2109:
+  br label %logic.from2172
+logic.from2172:
+  br i1 %t17, label %logic.end2174, label %logic.rhs2173
+logic.rhs2173:
   %t18 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.1273, i64 2, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.1282, i64 2, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.rend2111
-logic.rend2111:
-  br label %logic.end2110
-logic.end2110:
-  %t23 = phi i1 [ true, %logic.from2108 ], [ %t22, %logic.rend2111 ]
-  br label %logic.from2112
-logic.from2112:
-  br i1 %t23, label %logic.end2114, label %logic.rhs2113
-logic.rhs2113:
+  br label %logic.rend2175
+logic.rend2175:
+  br label %logic.end2174
+logic.end2174:
+  %t23 = phi i1 [ true, %logic.from2172 ], [ %t22, %logic.rend2175 ]
+  br label %logic.from2176
+logic.from2176:
+  br i1 %t23, label %logic.end2178, label %logic.rhs2177
+logic.rhs2177:
   %t24 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1274, i64 2, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1283, i64 2, i64 0 }, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br label %logic.rend2115
-logic.rend2115:
-  br label %logic.end2114
-logic.end2114:
-  %t29 = phi i1 [ true, %logic.from2112 ], [ %t28, %logic.rend2115 ]
-  br i1 %t29, label %then2116, label %endif2118
-then2116:
+  br label %logic.rend2179
+logic.rend2179:
+  br label %logic.end2178
+logic.end2178:
+  %t29 = phi i1 [ true, %logic.from2176 ], [ %t28, %logic.rend2179 ]
+  br i1 %t29, label %then2180, label %endif2182
+then2180:
+  call void @finch_str_drop(ptr %a7)
   ret i64 8
-endif2118:
+endif2182:
   %t30 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t30, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.1275, i64 3, i64 0 }, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.1284, i64 3, i64 0 }, ptr %a32
   %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
   %t34 = icmp ne i32 %t33, 0
-  br label %logic.from2119
-logic.from2119:
-  br i1 %t34, label %logic.end2121, label %logic.rhs2120
-logic.rhs2120:
+  br label %logic.from2183
+logic.from2183:
+  br i1 %t34, label %logic.end2185, label %logic.rhs2184
+logic.rhs2184:
   %t35 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.1276, i64 3, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.1285, i64 3, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.rend2122
-logic.rend2122:
-  br label %logic.end2121
-logic.end2121:
-  %t40 = phi i1 [ true, %logic.from2119 ], [ %t39, %logic.rend2122 ]
-  br i1 %t40, label %then2123, label %endif2125
-then2123:
+  br label %logic.rend2186
+logic.rend2186:
+  br label %logic.end2185
+logic.end2185:
+  %t40 = phi i1 [ true, %logic.from2183 ], [ %t39, %logic.rend2186 ]
+  br i1 %t40, label %then2187, label %endif2189
+then2187:
+  call void @finch_str_drop(ptr %a7)
   ret i64 16
-endif2125:
+endif2189:
   %t41 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.1277, i64 3, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.1286, i64 3, i64 0 }, ptr %a43
   %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
   %t45 = icmp ne i32 %t44, 0
-  br label %logic.from2126
-logic.from2126:
-  br i1 %t45, label %logic.end2128, label %logic.rhs2127
-logic.rhs2127:
+  br label %logic.from2190
+logic.from2190:
+  br i1 %t45, label %logic.end2192, label %logic.rhs2191
+logic.rhs2191:
   %t46 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t46, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.1278, i64 3, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.1287, i64 3, i64 0 }, ptr %a48
   %t49 = call i32 @finch_str_eq(ptr %a47, ptr %a48)
   %t50 = icmp ne i32 %t49, 0
-  br label %logic.rend2129
-logic.rend2129:
-  br label %logic.end2128
-logic.end2128:
-  %t51 = phi i1 [ true, %logic.from2126 ], [ %t50, %logic.rend2129 ]
-  br label %logic.from2130
-logic.from2130:
-  br i1 %t51, label %logic.end2132, label %logic.rhs2131
-logic.rhs2131:
+  br label %logic.rend2193
+logic.rend2193:
+  br label %logic.end2192
+logic.end2192:
+  %t51 = phi i1 [ true, %logic.from2190 ], [ %t50, %logic.rend2193 ]
+  br label %logic.from2194
+logic.from2194:
+  br i1 %t51, label %logic.end2196, label %logic.rhs2195
+logic.rhs2195:
   %t52 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.1279, i64 3, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.1288, i64 3, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br label %logic.rend2133
-logic.rend2133:
-  br label %logic.end2132
-logic.end2132:
-  %t57 = phi i1 [ true, %logic.from2130 ], [ %t56, %logic.rend2133 ]
-  br i1 %t57, label %then2134, label %endif2136
-then2134:
+  br label %logic.rend2197
+logic.rend2197:
+  br label %logic.end2196
+logic.end2196:
+  %t57 = phi i1 [ true, %logic.from2194 ], [ %t56, %logic.rend2197 ]
+  br i1 %t57, label %then2198, label %endif2200
+then2198:
+  call void @finch_str_drop(ptr %a7)
   ret i64 32
-endif2136:
+endif2200:
+  call void @finch_str_drop(ptr %a7)
   ret i64 64
 }
 
@@ -22142,39 +24938,39 @@ entry:
   %t3 = load %S.ast.Type, ptr %a1
   %t4 = call i1 @finch.gen.isInt(%S.ast.Type %t3)
   %t5 = xor i1 %t4, true
-  br label %logic.from2137
-logic.from2137:
-  br i1 %t5, label %logic.end2139, label %logic.rhs2138
-logic.rhs2138:
+  br label %logic.from2201
+logic.from2201:
+  br i1 %t5, label %logic.end2203, label %logic.rhs2202
+logic.rhs2202:
   %t6 = load %S.ast.Type, ptr %a2
   %t7 = call i1 @finch.gen.isInt(%S.ast.Type %t6)
   %t8 = xor i1 %t7, true
-  br label %logic.rend2140
-logic.rend2140:
-  br label %logic.end2139
-logic.end2139:
-  %t9 = phi i1 [ true, %logic.from2137 ], [ %t8, %logic.rend2140 ]
-  br i1 %t9, label %then2141, label %endif2143
-then2141:
+  br label %logic.rend2204
+logic.rend2204:
+  br label %logic.end2203
+logic.end2203:
+  %t9 = phi i1 [ true, %logic.from2201 ], [ %t8, %logic.rend2204 ]
+  br i1 %t9, label %then2205, label %endif2207
+then2205:
   ret i1 false
-endif2143:
+endif2207:
   %t10 = load %S.ast.Type, ptr %a1
   %t11 = call i1 @finch.gen.isSigned(%S.ast.Type %t10)
-  br label %logic.from2144
-logic.from2144:
-  br i1 %t11, label %logic.rhs2145, label %logic.end2146
-logic.rhs2145:
+  br label %logic.from2208
+logic.from2208:
+  br i1 %t11, label %logic.rhs2209, label %logic.end2210
+logic.rhs2209:
   %t12 = load %S.ast.Type, ptr %a2
   %t13 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t12)
-  br label %logic.rend2147
-logic.rend2147:
-  br label %logic.end2146
-logic.end2146:
-  %t14 = phi i1 [ false, %logic.from2144 ], [ %t13, %logic.rend2147 ]
-  br i1 %t14, label %then2148, label %endif2150
-then2148:
+  br label %logic.rend2211
+logic.rend2211:
+  br label %logic.end2210
+logic.end2210:
+  %t14 = phi i1 [ false, %logic.from2208 ], [ %t13, %logic.rend2211 ]
+  br i1 %t14, label %then2212, label %endif2214
+then2212:
   ret i1 false
-endif2150:
+endif2214:
   %t15 = load %S.ast.Type, ptr %a2
   %t16 = call i64 @finch.gen.bitsOf(%S.ast.Type %t15)
   %t17 = load %S.ast.Type, ptr %a1
@@ -22198,33 +24994,33 @@ entry:
   %t4 = load %S.ast.Type, ptr %a3
   %t5 = call i1 @finch.gen.isInt(%S.ast.Type %t4)
   %t6 = xor i1 %t5, true
-  br i1 %t6, label %then2151, label %endif2153
-then2151:
+  br i1 %t6, label %then2215, label %endif2217
+then2215:
   ret i1 false
-endif2153:
+endif2217:
   %t7 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t7, ptr %a8
-  %t9 = call i64 @finch_str_to_int(ptr %a8, ptr @.str.1280, i64 427)
+  %t9 = call i64 @finch_str_to_int(ptr %a8, ptr @.str.1289, i64 447)
   store i64 %t9, ptr %a10
   %t11 = load %S.ast.Type, ptr %a3
   %t12 = call i64 @finch.gen.bitsOf(%S.ast.Type %t11)
   store i64 %t12, ptr %a13
   %t14 = load i64, ptr %a10
   %t15 = icmp slt i64 %t14, 0
-  br i1 %t15, label %then2154, label %endif2156
-then2154:
+  br i1 %t15, label %then2218, label %endif2220
+then2218:
   %t16 = load %S.ast.Type, ptr %a3
   %t17 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t16)
-  br i1 %t17, label %then2157, label %endif2159
-then2157:
+  br i1 %t17, label %then2221, label %endif2223
+then2221:
   ret i1 false
-endif2159:
+endif2223:
   %t18 = load i64, ptr %a13
   %t19 = icmp eq i64 %t18, 64
-  br i1 %t19, label %then2160, label %endif2162
-then2160:
+  br i1 %t19, label %then2224, label %endif2226
+then2224:
   ret i1 true
-endif2162:
+endif2226:
   %t20 = load i64, ptr %a10
   %t21 = load i64, ptr %a13
   %t22 = sub i64 %t21, 1
@@ -22232,28 +25028,28 @@ endif2162:
   %t24 = sub i64 0, %t23
   %t25 = icmp sge i64 %t20, %t24
   ret i1 %t25
-endif2156:
+endif2220:
   %t26 = load i64, ptr %a13
   %t27 = icmp eq i64 %t26, 64
-  br i1 %t27, label %then2163, label %endif2165
-then2163:
+  br i1 %t27, label %then2227, label %endif2229
+then2227:
   ret i1 true
-endif2165:
+endif2229:
   %t28 = load i64, ptr %a13
   %t29 = shl i64 1, %t28
   %t30 = sub i64 %t29, 1
   store i64 %t30, ptr %a31
   %t32 = load %S.ast.Type, ptr %a3
   %t33 = call i1 @finch.gen.isSigned(%S.ast.Type %t32)
-  br i1 %t33, label %then2166, label %endif2168
-then2166:
+  br i1 %t33, label %then2230, label %endif2232
+then2230:
   %t34 = load i64, ptr %a13
   %t35 = sub i64 %t34, 1
   %t36 = shl i64 1, %t35
   %t37 = sub i64 %t36, 1
   store i64 %t37, ptr %a31
-  br label %endif2168
-endif2168:
+  br label %endif2232
+endif2232:
   %t38 = load i64, ptr %a10
   %t39 = load i64, ptr %a31
   %t40 = icmp sle i64 %t38, %t39
@@ -22275,38 +25071,38 @@ entry:
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2169, label %ok2170
-panic2169:
-  call void @finch_panic(ptr @.str.1281, i64 449, ptr @.str.1282)
+  br i1 %t5, label %panic2233, label %ok2234
+panic2233:
+  call void @finch_panic(ptr @.str.1290, i64 469, ptr @.str.1291)
   unreachable
-ok2170:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 15
+ok2234:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 16
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load i64, ptr %t7
   store i64 0, ptr %a9
-  br label %for.cond2171
-for.cond2171:
+  br label %for.cond2235
+for.cond2235:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t8
-  br i1 %t11, label %for.body2172, label %for.end2174
-for.body2172:
+  br i1 %t11, label %for.body2236, label %for.end2238
+for.body2236:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic2175, label %ok2176
-panic2175:
-  call void @finch_panic(ptr @.str.1283, i64 450, ptr @.str.1284)
+  br i1 %t13, label %panic2239, label %ok2240
+panic2239:
+  call void @finch_panic(ptr @.str.1292, i64 470, ptr @.str.1293)
   unreachable
-ok2176:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 15
+ok2240:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 16
   %t15 = load i64, ptr %a9
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2177, label %inrange2178
-range2177:
-  call void @finch_panic_index(ptr @.str.1285, i64 450, i64 %t15, i64 %t17)
+  br i1 %t18, label %range2241, label %inrange2242
+range2241:
+  call void @finch_panic_index(ptr @.str.1294, i64 470, i64 %t15, i64 %t17)
   unreachable
-inrange2178:
+inrange2242:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.StructDef, ptr %t19, i64 %t15
   %t21 = getelementptr inbounds %S.gen.StructDef, ptr %t20, i32 0, i32 0
@@ -22316,27 +25112,27 @@ inrange2178:
   store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from2179
-logic.from2179:
-  br i1 %t27, label %logic.rhs2180, label %logic.end2181
-logic.rhs2180:
+  br label %logic.from2243
+logic.from2243:
+  br i1 %t27, label %logic.rhs2244, label %logic.end2245
+logic.rhs2244:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2182, label %ok2183
-panic2182:
-  call void @finch_panic(ptr @.str.1286, i64 450, ptr @.str.1287)
+  br i1 %t29, label %panic2246, label %ok2247
+panic2246:
+  call void @finch_panic(ptr @.str.1295, i64 470, ptr @.str.1296)
   unreachable
-ok2183:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 15
+ok2247:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 16
   %t31 = load i64, ptr %a9
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range2184, label %inrange2185
-range2184:
-  call void @finch_panic_index(ptr @.str.1288, i64 450, i64 %t31, i64 %t33)
+  br i1 %t34, label %range2248, label %inrange2249
+range2248:
+  call void @finch_panic_index(ptr @.str.1297, i64 470, i64 %t31, i64 %t33)
   unreachable
-inrange2185:
+inrange2249:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.StructDef, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.StructDef, ptr %t36, i32 0, i32 1
@@ -22346,23 +25142,23 @@ inrange2185:
   store { ptr, i64, i64 } %t39, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend2186
-logic.rend2186:
-  br label %logic.end2181
-logic.end2181:
-  %t44 = phi i1 [ false, %logic.from2179 ], [ %t43, %logic.rend2186 ]
-  br i1 %t44, label %then2187, label %endif2189
-then2187:
+  br label %logic.rend2250
+logic.rend2250:
+  br label %logic.end2245
+logic.end2245:
+  %t44 = phi i1 [ false, %logic.from2243 ], [ %t43, %logic.rend2250 ]
+  br i1 %t44, label %then2251, label %endif2253
+then2251:
   %t45 = load i64, ptr %a9
   ret i64 %t45
-endif2189:
-  br label %for.step2173
-for.step2173:
+endif2253:
+  br label %for.step2237
+for.step2237:
   %t46 = load i64, ptr %a9
   %t47 = add i64 %t46, 1
   store i64 %t47, ptr %a9
-  br label %for.cond2171
-for.end2174:
+  br label %for.cond2235
+for.end2238:
   ret i64 -1
 }
 
@@ -22381,38 +25177,38 @@ entry:
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2190, label %ok2191
-panic2190:
-  call void @finch_panic(ptr @.str.1289, i64 458, ptr @.str.1290)
+  br i1 %t5, label %panic2254, label %ok2255
+panic2254:
+  call void @finch_panic(ptr @.str.1298, i64 478, ptr @.str.1299)
   unreachable
-ok2191:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 20
+ok2255:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 21
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load i64, ptr %t7
   store i64 0, ptr %a9
-  br label %for.cond2192
-for.cond2192:
+  br label %for.cond2256
+for.cond2256:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t8
-  br i1 %t11, label %for.body2193, label %for.end2195
-for.body2193:
+  br i1 %t11, label %for.body2257, label %for.end2259
+for.body2257:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic2196, label %ok2197
-panic2196:
-  call void @finch_panic(ptr @.str.1291, i64 459, ptr @.str.1292)
+  br i1 %t13, label %panic2260, label %ok2261
+panic2260:
+  call void @finch_panic(ptr @.str.1300, i64 479, ptr @.str.1301)
   unreachable
-ok2197:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 20
+ok2261:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 21
   %t15 = load i64, ptr %a9
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2198, label %inrange2199
-range2198:
-  call void @finch_panic_index(ptr @.str.1293, i64 459, i64 %t15, i64 %t17)
+  br i1 %t18, label %range2262, label %inrange2263
+range2262:
+  call void @finch_panic_index(ptr @.str.1302, i64 479, i64 %t15, i64 %t17)
   unreachable
-inrange2199:
+inrange2263:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.EnumDef, ptr %t19, i64 %t15
   %t21 = getelementptr inbounds %S.gen.EnumDef, ptr %t20, i32 0, i32 0
@@ -22422,27 +25218,27 @@ inrange2199:
   store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from2200
-logic.from2200:
-  br i1 %t27, label %logic.rhs2201, label %logic.end2202
-logic.rhs2201:
+  br label %logic.from2264
+logic.from2264:
+  br i1 %t27, label %logic.rhs2265, label %logic.end2266
+logic.rhs2265:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2203, label %ok2204
-panic2203:
-  call void @finch_panic(ptr @.str.1294, i64 459, ptr @.str.1295)
+  br i1 %t29, label %panic2267, label %ok2268
+panic2267:
+  call void @finch_panic(ptr @.str.1303, i64 479, ptr @.str.1304)
   unreachable
-ok2204:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 20
+ok2268:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 21
   %t31 = load i64, ptr %a9
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range2205, label %inrange2206
-range2205:
-  call void @finch_panic_index(ptr @.str.1296, i64 459, i64 %t31, i64 %t33)
+  br i1 %t34, label %range2269, label %inrange2270
+range2269:
+  call void @finch_panic_index(ptr @.str.1305, i64 479, i64 %t31, i64 %t33)
   unreachable
-inrange2206:
+inrange2270:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.EnumDef, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.EnumDef, ptr %t36, i32 0, i32 1
@@ -22452,23 +25248,23 @@ inrange2206:
   store { ptr, i64, i64 } %t39, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend2207
-logic.rend2207:
-  br label %logic.end2202
-logic.end2202:
-  %t44 = phi i1 [ false, %logic.from2200 ], [ %t43, %logic.rend2207 ]
-  br i1 %t44, label %then2208, label %endif2210
-then2208:
+  br label %logic.rend2271
+logic.rend2271:
+  br label %logic.end2266
+logic.end2266:
+  %t44 = phi i1 [ false, %logic.from2264 ], [ %t43, %logic.rend2271 ]
+  br i1 %t44, label %then2272, label %endif2274
+then2272:
   %t45 = load i64, ptr %a9
   ret i64 %t45
-endif2210:
-  br label %for.step2194
-for.step2194:
+endif2274:
+  br label %for.step2258
+for.step2258:
   %t46 = load i64, ptr %a9
   %t47 = add i64 %t46, 1
   store i64 %t47, ptr %a9
-  br label %for.cond2192
-for.end2195:
+  br label %for.cond2256
+for.end2259:
   ret i64 -1
 }
 
@@ -22483,38 +25279,38 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2211, label %ok2212
-panic2211:
-  call void @finch_panic(ptr @.str.1297, i64 467, ptr @.str.1298)
+  br i1 %t4, label %panic2275, label %ok2276
+panic2275:
+  call void @finch_panic(ptr @.str.1306, i64 487, ptr @.str.1307)
   unreachable
-ok2212:
+ok2276:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 0
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond2213
-for.cond2213:
+  br label %for.cond2277
+for.cond2277:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body2214, label %for.end2216
-for.body2214:
+  br i1 %t10, label %for.body2278, label %for.end2280
+for.body2278:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic2217, label %ok2218
-panic2217:
-  call void @finch_panic(ptr @.str.1299, i64 468, ptr @.str.1300)
+  br i1 %t12, label %panic2281, label %ok2282
+panic2281:
+  call void @finch_panic(ptr @.str.1308, i64 488, ptr @.str.1309)
   unreachable
-ok2218:
+ok2282:
   %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 0
   %t14 = load i64, ptr %a8
   %t15 = load { ptr, i64, i64 }, ptr %t13
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 %t14, %t16
-  br i1 %t17, label %range2219, label %inrange2220
-range2219:
-  call void @finch_panic_index(ptr @.str.1301, i64 468, i64 %t14, i64 %t16)
+  br i1 %t17, label %range2283, label %inrange2284
+range2283:
+  call void @finch_panic_index(ptr @.str.1310, i64 488, i64 %t14, i64 %t16)
   unreachable
-inrange2220:
+inrange2284:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.ast.Program, ptr %t18, i64 %t14
   %t20 = getelementptr inbounds %S.ast.Program, ptr %t19, i32 0, i32 0
@@ -22524,18 +25320,18 @@ inrange2220:
   store { ptr, i64, i64 } %t22, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %then2221, label %endif2223
-then2221:
+  br i1 %t26, label %then2285, label %endif2287
+then2285:
   %t27 = load i64, ptr %a8
   ret i64 %t27
-endif2223:
-  br label %for.step2215
-for.step2215:
+endif2287:
+  br label %for.step2279
+for.step2279:
   %t28 = load i64, ptr %a8
   %t29 = add i64 %t28, 1
   store i64 %t29, ptr %a8
-  br label %for.cond2213
-for.end2216:
+  br label %for.cond2277
+for.end2280:
   ret i64 -1
 }
 
@@ -22551,31 +25347,31 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2224, label %ok2225
-panic2224:
-  call void @finch_panic(ptr @.str.1302, i64 476, ptr @.str.1303)
+  br i1 %t4, label %panic2288, label %ok2289
+panic2288:
+  call void @finch_panic(ptr @.str.1311, i64 496, ptr @.str.1312)
   unreachable
-ok2225:
+ok2289:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic2226, label %ok2227
-panic2226:
-  call void @finch_panic(ptr @.str.1304, i64 476, ptr @.str.1305)
+  br i1 %t8, label %panic2290, label %ok2291
+panic2290:
+  call void @finch_panic(ptr @.str.1313, i64 496, ptr @.str.1314)
   unreachable
-ok2227:
-  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 13
+ok2291:
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 14
   %t10 = load { ptr, i64, i64 }, ptr %t9
   %t11 = call i64 @finch.gen.progOf(ptr %t6, { ptr, i64, i64 } %t10)
   %t12 = load { ptr, i64, i64 }, ptr %t5
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range2228, label %inrange2229
-range2228:
-  call void @finch_panic_index(ptr @.str.1306, i64 476, i64 %t11, i64 %t13)
+  br i1 %t14, label %range2292, label %inrange2293
+range2292:
+  call void @finch_panic_index(ptr @.str.1315, i64 496, i64 %t11, i64 %t13)
   unreachable
-inrange2229:
+inrange2293:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Program, ptr %t15, i64 %t11
   %t17 = getelementptr inbounds %S.ast.Program, ptr %t16, i32 0, i32 2
@@ -22585,27 +25381,27 @@ inrange2229:
   %t21 = load i64, ptr %t18
   %t22 = load ptr, ptr %t17
   store i64 0, ptr %a23
-  br label %find.cond2230
-find.cond2230:
+  br label %find.cond2294
+find.cond2294:
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, %t21
-  br i1 %t25, label %find.body2231, label %find.end2234
-find.body2231:
+  br i1 %t25, label %find.body2295, label %find.end2298
+find.body2295:
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i64 %t24
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
   store { ptr, i64, i64 } %t19, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br i1 %t31, label %find.hit2232, label %find.next2233
-find.hit2232:
+  br i1 %t31, label %find.hit2296, label %find.next2297
+find.hit2296:
   store i64 %t24, ptr %a20
-  br label %find.end2234
-find.next2233:
+  br label %find.end2298
+find.next2297:
   %t32 = add i64 %t24, 1
   store i64 %t32, ptr %a23
-  br label %find.cond2230
-find.end2234:
+  br label %find.cond2294
+find.end2298:
   %t33 = load i64, ptr %a20
   %t34 = icmp sge i64 %t33, 0
   ret i1 %t34
@@ -22618,784 +25414,850 @@ entry:
   %a3 = alloca %S.ast.Node, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca %S.ast.Type, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca %S.ast.Type, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca %S.ast.Type, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca %S.ast.Type, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca %S.ast.Type, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca %S.ast.Type, align 16
-  %a139 = alloca %S.ast.Type, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca %S.ast.Type, align 16
-  %a160 = alloca %S.ast.Type, align 16
-  %a177 = alloca i64, align 16
-  %a180 = alloca i64, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca i64, align 16
-  %a205 = alloca i64, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca %S.ast.Type, align 16
-  %a223 = alloca %S.ast.Type, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca i64, align 16
-  %a239 = alloca %S.ast.Type, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca %S.ast.Type, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca %S.ast.Type, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca %S.ast.Type, align 16
+  %a142 = alloca %S.ast.Type, align 16
+  %a155 = alloca %S.ast.Type, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca %S.ast.Type, align 16
+  %a164 = alloca %S.ast.Type, align 16
+  %a181 = alloca i64, align 16
+  %a184 = alloca i64, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca i64, align 16
+  %a209 = alloca i64, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca %S.ast.Type, align 16
+  %a227 = alloca %S.ast.Type, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca i64, align 16
+  %a243 = alloca %S.ast.Type, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a276 = alloca { ptr, i64, i64 }, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
   %a368 = alloca { ptr, i64, i64 }, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
-  %a439 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.1307, i64 5, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.1316, i64 5, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then2235, label %endif2237
-then2235:
+  br i1 %t9, label %then2299, label %endif2301
+then2299:
   %t10 = load ptr, ptr %a1
   %t11 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t12 = load { ptr, i64, i64 }, ptr %t11
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 0, %t13
-  br i1 %t14, label %range2238, label %inrange2239
-range2238:
-  call void @finch_panic_index(ptr @.str.1308, i64 481, i64 0, i64 %t13)
+  br i1 %t14, label %range2302, label %inrange2303
+range2302:
+  call void @finch_panic_index(ptr @.str.1317, i64 501, i64 0, i64 %t13)
   unreachable
-inrange2239:
+inrange2303:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 0
   %t17 = load %S.ast.Type, ptr %t16
   %t18 = load %S.ast.Node, ptr %a3
   %t19 = call %S.ast.Type @finch.gen.resolve(ptr %t10, %S.ast.Type %t17, %S.ast.Node %t18)
   %t20 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t19)
+  store %S.ast.Type %t19, ptr %a21
+  call void @finch.drop.S_ast_Type(ptr %a21)
   ret %S.ast.Type %t20
-endif2237:
-  %t21 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t22 = load { ptr, i64, i64 }, ptr %t21
-  store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1309, i64 3, i64 0 }, ptr %a24
-  %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
-  %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %then2240, label %endif2242
-then2240:
-  %t27 = load ptr, ptr %a1
-  %t28 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t29 = load { ptr, i64, i64 }, ptr %t28
-  %t30 = extractvalue { ptr, i64, i64 } %t29, 1
-  %t31 = icmp uge i64 0, %t30
-  br i1 %t31, label %range2243, label %inrange2244
-range2243:
-  call void @finch_panic_index(ptr @.str.1310, i64 484, i64 0, i64 %t30)
+endif2301:
+  %t22 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1318, i64 3, i64 0 }, ptr %a25
+  %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
+  %t27 = icmp ne i32 %t26, 0
+  br i1 %t27, label %then2304, label %endif2306
+then2304:
+  %t28 = load ptr, ptr %a1
+  %t29 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t30 = load { ptr, i64, i64 }, ptr %t29
+  %t31 = extractvalue { ptr, i64, i64 } %t30, 1
+  %t32 = icmp uge i64 0, %t31
+  br i1 %t32, label %range2307, label %inrange2308
+range2307:
+  call void @finch_panic_index(ptr @.str.1319, i64 504, i64 0, i64 %t31)
   unreachable
-inrange2244:
-  %t32 = extractvalue { ptr, i64, i64 } %t29, 0
-  %t33 = getelementptr inbounds %S.ast.Type, ptr %t32, i64 0
-  %t34 = load %S.ast.Type, ptr %t33
-  %t35 = load %S.ast.Node, ptr %a3
-  %t36 = call %S.ast.Type @finch.gen.resolve(ptr %t27, %S.ast.Type %t34, %S.ast.Node %t35)
-  store %S.ast.Type %t36, ptr %a37
-  %t38 = load %S.ast.Type, ptr %a37
-  %t39 = call i1 @finch.gen.isInt(%S.ast.Type %t38)
-  %t40 = xor i1 %t39, true
-  br label %logic.from2245
-logic.from2245:
-  br i1 %t40, label %logic.rhs2246, label %logic.end2247
-logic.rhs2246:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.1311, i64 4, i64 0 }, ptr %a44
-  %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
-  %t46 = icmp eq i32 %t45, 0
-  br label %logic.rend2248
-logic.rend2248:
-  br label %logic.end2247
-logic.end2247:
-  %t47 = phi i1 [ false, %logic.from2245 ], [ %t46, %logic.rend2248 ]
-  br label %logic.from2249
-logic.from2249:
-  br i1 %t47, label %logic.rhs2250, label %logic.end2251
-logic.rhs2250:
-  %t48 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.1312, i64 4, i64 0 }, ptr %a51
-  %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
-  %t53 = icmp eq i32 %t52, 0
-  br label %logic.rend2252
-logic.rend2252:
-  br label %logic.end2251
-logic.end2251:
-  %t54 = phi i1 [ false, %logic.from2249 ], [ %t53, %logic.rend2252 ]
-  br label %logic.from2253
-logic.from2253:
-  br i1 %t54, label %logic.rhs2254, label %logic.end2255
-logic.rhs2254:
-  %t55 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t56 = load { ptr, i64, i64 }, ptr %t55
-  store { ptr, i64, i64 } %t56, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1313, i64 3, i64 0 }, ptr %a58
-  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
-  %t60 = icmp eq i32 %t59, 0
-  br label %logic.rend2256
-logic.rend2256:
-  br label %logic.end2255
-logic.end2255:
-  %t61 = phi i1 [ false, %logic.from2253 ], [ %t60, %logic.rend2256 ]
-  br label %logic.from2257
-logic.from2257:
-  br i1 %t61, label %logic.rhs2258, label %logic.end2259
-logic.rhs2258:
-  %t62 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t63 = load { ptr, i64, i64 }, ptr %t62
-  store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.1314, i64 4, i64 0 }, ptr %a65
-  %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
-  %t67 = icmp eq i32 %t66, 0
-  br label %logic.rend2260
-logic.rend2260:
-  br label %logic.end2259
-logic.end2259:
-  %t68 = phi i1 [ false, %logic.from2257 ], [ %t67, %logic.rend2260 ]
-  br i1 %t68, label %then2261, label %endif2263
-then2261:
-  %t69 = load ptr, ptr %a1
-  %t70 = load %S.ast.Node, ptr %a3
-  %t71 = load %S.ast.Type, ptr %a37
-  %t72 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t71)
-  store { ptr, i64, i64 } { ptr @.str.1315, i64 63, i64 0 }, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  call void @finch.gen.fail(ptr %t69, %S.ast.Node %t70, { ptr, i64, i64 } %t76)
-  br label %endif2263
-endif2263:
-  %t77 = load ptr, ptr %a1
-  %t78 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  %t80 = extractvalue { ptr, i64, i64 } %t79, 1
-  %t81 = icmp uge i64 1, %t80
-  br i1 %t81, label %range2264, label %inrange2265
-range2264:
-  call void @finch_panic_index(ptr @.str.1316, i64 488, i64 1, i64 %t80)
+inrange2308:
+  %t33 = extractvalue { ptr, i64, i64 } %t30, 0
+  %t34 = getelementptr inbounds %S.ast.Type, ptr %t33, i64 0
+  %t35 = load %S.ast.Type, ptr %t34
+  %t36 = load %S.ast.Node, ptr %a3
+  %t37 = call %S.ast.Type @finch.gen.resolve(ptr %t28, %S.ast.Type %t35, %S.ast.Node %t36)
+  store %S.ast.Type %t37, ptr %a38
+  %t39 = load %S.ast.Type, ptr %a38
+  %t40 = call i1 @finch.gen.isInt(%S.ast.Type %t39)
+  %t41 = xor i1 %t40, true
+  br label %logic.from2309
+logic.from2309:
+  br i1 %t41, label %logic.rhs2310, label %logic.end2311
+logic.rhs2310:
+  %t42 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t43 = load { ptr, i64, i64 }, ptr %t42
+  store { ptr, i64, i64 } %t43, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.1320, i64 4, i64 0 }, ptr %a45
+  %t46 = call i32 @finch_str_eq(ptr %a44, ptr %a45)
+  %t47 = icmp eq i32 %t46, 0
+  br label %logic.rend2312
+logic.rend2312:
+  br label %logic.end2311
+logic.end2311:
+  %t48 = phi i1 [ false, %logic.from2309 ], [ %t47, %logic.rend2312 ]
+  br label %logic.from2313
+logic.from2313:
+  br i1 %t48, label %logic.rhs2314, label %logic.end2315
+logic.rhs2314:
+  %t49 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.1321, i64 4, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp eq i32 %t53, 0
+  br label %logic.rend2316
+logic.rend2316:
+  br label %logic.end2315
+logic.end2315:
+  %t55 = phi i1 [ false, %logic.from2313 ], [ %t54, %logic.rend2316 ]
+  br label %logic.from2317
+logic.from2317:
+  br i1 %t55, label %logic.rhs2318, label %logic.end2319
+logic.rhs2318:
+  %t56 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  store { ptr, i64, i64 } %t57, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.1322, i64 3, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
+  %t61 = icmp eq i32 %t60, 0
+  br label %logic.rend2320
+logic.rend2320:
+  br label %logic.end2319
+logic.end2319:
+  %t62 = phi i1 [ false, %logic.from2317 ], [ %t61, %logic.rend2320 ]
+  br label %logic.from2321
+logic.from2321:
+  br i1 %t62, label %logic.rhs2322, label %logic.end2323
+logic.rhs2322:
+  %t63 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t64 = load { ptr, i64, i64 }, ptr %t63
+  store { ptr, i64, i64 } %t64, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.1323, i64 4, i64 0 }, ptr %a66
+  %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
+  %t68 = icmp eq i32 %t67, 0
+  br label %logic.rend2324
+logic.rend2324:
+  br label %logic.end2323
+logic.end2323:
+  %t69 = phi i1 [ false, %logic.from2321 ], [ %t68, %logic.rend2324 ]
+  br i1 %t69, label %then2325, label %endif2327
+then2325:
+  %t70 = load ptr, ptr %a1
+  %t71 = load %S.ast.Node, ptr %a3
+  %t72 = load %S.ast.Type, ptr %a38
+  %t73 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t72)
+  store { ptr, i64, i64 } { ptr @.str.1324, i64 63, i64 0 }, ptr %a75
+  store { ptr, i64, i64 } %t73, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t71, { ptr, i64, i64 } %t78)
+  store { ptr, i64, i64 } %t78, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  br label %endif2327
+endif2327:
+  %t80 = load ptr, ptr %a1
+  %t81 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  %t83 = extractvalue { ptr, i64, i64 } %t82, 1
+  %t84 = icmp uge i64 1, %t83
+  br i1 %t84, label %range2328, label %inrange2329
+range2328:
+  call void @finch_panic_index(ptr @.str.1325, i64 508, i64 1, i64 %t83)
   unreachable
-inrange2265:
-  %t82 = extractvalue { ptr, i64, i64 } %t79, 0
-  %t83 = getelementptr inbounds %S.ast.Type, ptr %t82, i64 1
-  %t84 = load %S.ast.Type, ptr %t83
-  %t85 = load %S.ast.Node, ptr %a3
-  %t86 = call %S.ast.Type @finch.gen.resolve(ptr %t77, %S.ast.Type %t84, %S.ast.Node %t85)
-  store %S.ast.Type %t86, ptr %a87
-  %t88 = getelementptr inbounds %S.ast.Type, ptr %a87, i32 0, i32 0
-  %t89 = load { ptr, i64, i64 }, ptr %t88
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1317, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then2266, label %endif2268
-then2266:
-  %t94 = load ptr, ptr %a1
-  %t95 = load %S.ast.Node, ptr %a3
-  call void @finch.gen.fail(ptr %t94, %S.ast.Node %t95, { ptr, i64, i64 } { ptr @.str.1318, i64 41, i64 0 })
-  br label %endif2268
-endif2268:
-  %t96 = load %S.ast.Type, ptr %a37
-  %t97 = load %S.ast.Type, ptr %a87
-  %t98 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t96, %S.ast.Type %t97)
-  ret %S.ast.Type %t98
-endif2242:
-  %t99 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t100 = load { ptr, i64, i64 }, ptr %t99
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1319, i64 5, i64 0 }, ptr %a102
-  %t103 = call i32 @finch_str_eq(ptr %a101, ptr %a102)
-  %t104 = icmp ne i32 %t103, 0
-  br i1 %t104, label %then2269, label %endif2271
-then2269:
-  %t105 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1320, i64 5, i64 0 }, 0
-  %t106 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t107 = load i64, ptr %t106
-  %t108 = insertvalue %S.ast.Type %t105, i64 %t107, 4
-  store %S.ast.Type %t108, ptr %a109
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %a109, i32 0, i32 1
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i32 0, i32 1
-  %t112 = load ptr, ptr %a1
-  %t113 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
-  %t116 = icmp uge i64 0, %t115
-  br i1 %t116, label %range2272, label %inrange2273
-range2272:
-  call void @finch_panic_index(ptr @.str.1321, i64 496, i64 0, i64 %t115)
+inrange2329:
+  %t85 = extractvalue { ptr, i64, i64 } %t82, 0
+  %t86 = getelementptr inbounds %S.ast.Type, ptr %t85, i64 1
+  %t87 = load %S.ast.Type, ptr %t86
+  %t88 = load %S.ast.Node, ptr %a3
+  %t89 = call %S.ast.Type @finch.gen.resolve(ptr %t80, %S.ast.Type %t87, %S.ast.Node %t88)
+  store %S.ast.Type %t89, ptr %a90
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %a90, i32 0, i32 0
+  %t92 = load { ptr, i64, i64 }, ptr %t91
+  store { ptr, i64, i64 } %t92, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.1326, i64 4, i64 0 }, ptr %a94
+  %t95 = call i32 @finch_str_eq(ptr %a93, ptr %a94)
+  %t96 = icmp ne i32 %t95, 0
+  br i1 %t96, label %then2330, label %endif2332
+then2330:
+  %t97 = load ptr, ptr %a1
+  %t98 = load %S.ast.Node, ptr %a3
+  call void @finch.gen.fail(ptr %t97, %S.ast.Node %t98, { ptr, i64, i64 } { ptr @.str.1327, i64 41, i64 0 })
+  br label %endif2332
+endif2332:
+  %t99 = load %S.ast.Type, ptr %a38
+  %t100 = load %S.ast.Type, ptr %a90
+  %t101 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t99, %S.ast.Type %t100)
+  call void @finch.drop.S_ast_Type(ptr %a90)
+  call void @finch.drop.S_ast_Type(ptr %a38)
+  ret %S.ast.Type %t101
+endif2306:
+  %t102 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t103 = load { ptr, i64, i64 }, ptr %t102
+  store { ptr, i64, i64 } %t103, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.1328, i64 5, i64 0 }, ptr %a105
+  %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
+  %t107 = icmp ne i32 %t106, 0
+  br i1 %t107, label %then2333, label %endif2335
+then2333:
+  %t108 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1329, i64 5, i64 0 }, 0
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t110 = load i64, ptr %t109
+  %t111 = insertvalue %S.ast.Type %t108, i64 %t110, 4
+  store %S.ast.Type %t111, ptr %a112
+  %t113 = getelementptr inbounds %S.ast.Type, ptr %a112, i32 0, i32 1
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %t113, i32 0, i32 1
+  %t115 = load ptr, ptr %a1
+  %t116 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t117 = load { ptr, i64, i64 }, ptr %t116
+  %t118 = extractvalue { ptr, i64, i64 } %t117, 1
+  %t119 = icmp uge i64 0, %t118
+  br i1 %t119, label %range2336, label %inrange2337
+range2336:
+  call void @finch_panic_index(ptr @.str.1330, i64 516, i64 0, i64 %t118)
   unreachable
-inrange2273:
-  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
-  %t118 = getelementptr inbounds %S.ast.Type, ptr %t117, i64 0
-  %t119 = load %S.ast.Type, ptr %t118
-  %t120 = load %S.ast.Node, ptr %a3
-  %t121 = call %S.ast.Type @finch.gen.resolve(ptr %t112, %S.ast.Type %t119, %S.ast.Node %t120)
-  %t122 = load i64, ptr %t111
-  %t123 = add i64 %t122, 1
-  call void @finch_arr_reserve(ptr %t110, i64 %t123, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t124 = load ptr, ptr %t110
-  %t125 = getelementptr inbounds %S.ast.Type, ptr %t124, i64 %t122
-  store %S.ast.Type %t121, ptr %t125
-  store i64 %t123, ptr %t111
-  %t126 = load %S.ast.Type, ptr %a109
-  ret %S.ast.Type %t126
-endif2271:
-  %t127 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t128 = load { ptr, i64, i64 }, ptr %t127
-  store { ptr, i64, i64 } %t128, ptr %a129
-  store { ptr, i64, i64 } { ptr @.str.1322, i64 3, i64 0 }, ptr %a130
-  %t131 = call i32 @finch_str_eq(ptr %a129, ptr %a130)
-  %t132 = icmp ne i32 %t131, 0
-  br i1 %t132, label %then2274, label %endif2276
-then2274:
-  %t133 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
-  %t135 = load i64, ptr %t134
-  %t136 = icmp eq i64 %t135, 0
-  br i1 %t136, label %then2277, label %endif2279
-then2277:
-  %t137 = load %S.ast.Type, ptr %a2
-  store %S.ast.Type %t137, ptr %a138
-  call void @finch.copy.S_ast_Type(ptr %a139, ptr %a138)
-  %t140 = load %S.ast.Type, ptr %a139
-  ret %S.ast.Type %t140
-endif2279:
-  %t141 = load ptr, ptr %a1
-  %t142 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  %t144 = extractvalue { ptr, i64, i64 } %t143, 1
-  %t145 = icmp uge i64 0, %t144
-  br i1 %t145, label %range2280, label %inrange2281
-range2280:
-  call void @finch_panic_index(ptr @.str.1323, i64 503, i64 0, i64 %t144)
+inrange2337:
+  %t120 = extractvalue { ptr, i64, i64 } %t117, 0
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %t120, i64 0
+  %t122 = load %S.ast.Type, ptr %t121
+  %t123 = load %S.ast.Node, ptr %a3
+  %t124 = call %S.ast.Type @finch.gen.resolve(ptr %t115, %S.ast.Type %t122, %S.ast.Node %t123)
+  %t125 = load i64, ptr %t114
+  %t126 = add i64 %t125, 1
+  call void @finch_arr_reserve(ptr %t113, i64 %t126, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t127 = load ptr, ptr %t113
+  %t128 = getelementptr inbounds %S.ast.Type, ptr %t127, i64 %t125
+  store %S.ast.Type %t124, ptr %t128
+  store i64 %t126, ptr %t114
+  %t129 = load %S.ast.Type, ptr %a112
+  ret %S.ast.Type %t129
+endif2335:
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.1331, i64 3, i64 0 }, ptr %a133
+  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
+  %t135 = icmp ne i32 %t134, 0
+  br i1 %t135, label %then2338, label %endif2340
+then2338:
+  %t136 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t136, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  %t139 = icmp eq i64 %t138, 0
+  br i1 %t139, label %then2341, label %endif2343
+then2341:
+  %t140 = load %S.ast.Type, ptr %a2
+  store %S.ast.Type %t140, ptr %a141
+  call void @finch.copy.S_ast_Type(ptr %a142, ptr %a141)
+  %t143 = load %S.ast.Type, ptr %a142
+  ret %S.ast.Type %t143
+endif2343:
+  %t144 = load ptr, ptr %a1
+  %t145 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t146 = load { ptr, i64, i64 }, ptr %t145
+  %t147 = extractvalue { ptr, i64, i64 } %t146, 1
+  %t148 = icmp uge i64 0, %t147
+  br i1 %t148, label %range2344, label %inrange2345
+range2344:
+  call void @finch_panic_index(ptr @.str.1332, i64 523, i64 0, i64 %t147)
   unreachable
-inrange2281:
-  %t146 = extractvalue { ptr, i64, i64 } %t143, 0
-  %t147 = getelementptr inbounds %S.ast.Type, ptr %t146, i64 0
-  %t148 = load %S.ast.Type, ptr %t147
-  %t149 = load %S.ast.Node, ptr %a3
-  %t150 = call %S.ast.Type @finch.gen.resolve(ptr %t141, %S.ast.Type %t148, %S.ast.Node %t149)
-  %t151 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t150)
-  ret %S.ast.Type %t151
-endif2276:
-  %t152 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t153 = load { ptr, i64, i64 }, ptr %t152
-  store { ptr, i64, i64 } %t153, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.1324, i64 5, i64 0 }, ptr %a155
-  %t156 = call i32 @finch_str_eq(ptr %a154, ptr %a155)
-  %t157 = icmp eq i32 %t156, 0
-  br i1 %t157, label %then2282, label %endif2284
-then2282:
-  %t158 = load %S.ast.Type, ptr %a2
-  store %S.ast.Type %t158, ptr %a159
-  call void @finch.copy.S_ast_Type(ptr %a160, ptr %a159)
-  %t161 = load %S.ast.Type, ptr %a160
-  ret %S.ast.Type %t161
-endif2284:
-  %t162 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
-  %t164 = load i64, ptr %t163
-  %t165 = icmp eq i64 %t164, 0
-  br label %logic.from2285
-logic.from2285:
-  br i1 %t165, label %logic.rhs2286, label %logic.end2287
-logic.rhs2286:
-  %t166 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+inrange2345:
+  %t149 = extractvalue { ptr, i64, i64 } %t146, 0
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %t149, i64 0
+  %t151 = load %S.ast.Type, ptr %t150
+  %t152 = load %S.ast.Node, ptr %a3
+  %t153 = call %S.ast.Type @finch.gen.resolve(ptr %t144, %S.ast.Type %t151, %S.ast.Node %t152)
+  %t154 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t153)
+  store %S.ast.Type %t153, ptr %a155
+  call void @finch.drop.S_ast_Type(ptr %a155)
+  ret %S.ast.Type %t154
+endif2340:
+  %t156 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.1333, i64 5, i64 0 }, ptr %a159
+  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
+  %t161 = icmp eq i32 %t160, 0
+  br i1 %t161, label %then2346, label %endif2348
+then2346:
+  %t162 = load %S.ast.Type, ptr %a2
+  store %S.ast.Type %t162, ptr %a163
+  call void @finch.copy.S_ast_Type(ptr %a164, ptr %a163)
+  %t165 = load %S.ast.Type, ptr %a164
+  ret %S.ast.Type %t165
+endif2348:
+  %t166 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %t166, i32 0, i32 1
   %t168 = load i64, ptr %t167
   %t169 = icmp eq i64 %t168, 0
-  br label %logic.rend2288
-logic.rend2288:
-  br label %logic.end2287
-logic.end2287:
-  %t170 = phi i1 [ false, %logic.from2285 ], [ %t169, %logic.rend2288 ]
-  br label %logic.from2289
-logic.from2289:
-  br i1 %t170, label %logic.rhs2290, label %logic.end2291
-logic.rhs2290:
-  %t171 = load ptr, ptr %a1
-  %t172 = icmp eq ptr %t171, null
-  br i1 %t172, label %panic2292, label %ok2293
-panic2292:
-  call void @finch_panic(ptr @.str.1325, i64 509, ptr @.str.1326)
-  unreachable
-ok2293:
-  %t173 = getelementptr inbounds %S.gen.Gen, ptr %t171, i32 0, i32 17
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  store i64 -1, ptr %a177
-  %t178 = load i64, ptr %t174
-  %t179 = load ptr, ptr %t173
-  store i64 0, ptr %a180
-  br label %find.cond2294
-find.cond2294:
-  %t181 = load i64, ptr %a180
-  %t182 = icmp slt i64 %t181, %t178
-  br i1 %t182, label %find.body2295, label %find.end2298
-find.body2295:
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i64 %t181
-  %t184 = load { ptr, i64, i64 }, ptr %t183
-  store { ptr, i64, i64 } %t184, ptr %a185
-  store { ptr, i64, i64 } %t176, ptr %a186
-  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
-  %t188 = icmp ne i32 %t187, 0
-  br i1 %t188, label %find.hit2296, label %find.next2297
-find.hit2296:
-  store i64 %t181, ptr %a177
-  br label %find.end2298
-find.next2297:
-  %t189 = add i64 %t181, 1
-  store i64 %t189, ptr %a180
-  br label %find.cond2294
-find.end2298:
-  %t190 = load i64, ptr %a177
-  %t191 = icmp sge i64 %t190, 0
-  br label %logic.rend2299
-logic.rend2299:
-  br label %logic.end2291
-logic.end2291:
-  %t192 = phi i1 [ false, %logic.from2289 ], [ %t191, %logic.rend2299 ]
-  br i1 %t192, label %then2300, label %endif2302
-then2300:
-  %t193 = load ptr, ptr %a1
-  %t194 = icmp eq ptr %t193, null
-  br i1 %t194, label %panic2303, label %ok2304
-panic2303:
-  call void @finch_panic(ptr @.str.1327, i64 510, ptr @.str.1328)
-  unreachable
-ok2304:
-  %t195 = getelementptr inbounds %S.gen.Gen, ptr %t193, i32 0, i32 18
-  %t196 = load ptr, ptr %a1
-  %t197 = icmp eq ptr %t196, null
-  br i1 %t197, label %panic2305, label %ok2306
-panic2305:
-  call void @finch_panic(ptr @.str.1329, i64 510, ptr @.str.1330)
-  unreachable
-ok2306:
-  %t198 = getelementptr inbounds %S.gen.Gen, ptr %t196, i32 0, i32 17
-  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t198, i32 0, i32 1
-  %t200 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store i64 -1, ptr %a202
-  %t203 = load i64, ptr %t199
-  %t204 = load ptr, ptr %t198
-  store i64 0, ptr %a205
-  br label %find.cond2307
-find.cond2307:
-  %t206 = load i64, ptr %a205
-  %t207 = icmp slt i64 %t206, %t203
-  br i1 %t207, label %find.body2308, label %find.end2311
-find.body2308:
-  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %t204, i64 %t206
-  %t209 = load { ptr, i64, i64 }, ptr %t208
-  store { ptr, i64, i64 } %t209, ptr %a210
-  store { ptr, i64, i64 } %t201, ptr %a211
-  %t212 = call i32 @finch_str_eq(ptr %a210, ptr %a211)
-  %t213 = icmp ne i32 %t212, 0
-  br i1 %t213, label %find.hit2309, label %find.next2310
-find.hit2309:
-  store i64 %t206, ptr %a202
-  br label %find.end2311
-find.next2310:
-  %t214 = add i64 %t206, 1
-  store i64 %t214, ptr %a205
-  br label %find.cond2307
-find.end2311:
-  %t215 = load i64, ptr %a202
-  %t216 = load { ptr, i64, i64 }, ptr %t195
-  %t217 = extractvalue { ptr, i64, i64 } %t216, 1
-  %t218 = icmp uge i64 %t215, %t217
-  br i1 %t218, label %range2312, label %inrange2313
-range2312:
-  call void @finch_panic_index(ptr @.str.1331, i64 510, i64 %t215, i64 %t217)
-  unreachable
-inrange2313:
-  %t219 = extractvalue { ptr, i64, i64 } %t216, 0
-  %t220 = getelementptr inbounds %S.ast.Type, ptr %t219, i64 %t215
-  %t221 = load %S.ast.Type, ptr %t220
-  store %S.ast.Type %t221, ptr %a222
-  call void @finch.copy.S_ast_Type(ptr %a223, ptr %a222)
-  %t224 = load %S.ast.Type, ptr %a223
-  ret %S.ast.Type %t224
-endif2302:
-  %t225 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i32 0, i32 1
-  %t227 = load i64, ptr %t226
-  %t228 = icmp sgt i64 %t227, 0
-  br i1 %t228, label %then2314, label %endif2316
-then2314:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a229
-  %t230 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  store i64 0, ptr %a231
-  br label %each.cond2317
-each.cond2317:
-  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t230, i32 0, i32 1
-  %t233 = load i64, ptr %t232
-  %t234 = load i64, ptr %a231
-  %t235 = icmp slt i64 %t234, %t233
-  br i1 %t235, label %each.body2318, label %each.end2320
-each.body2318:
-  %t236 = load ptr, ptr %t230
-  %t237 = getelementptr inbounds %S.ast.Type, ptr %t236, i64 %t234
-  %t238 = load %S.ast.Type, ptr %t237
-  store %S.ast.Type %t238, ptr %a239
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %a229, i32 0, i32 1
-  %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Type, ptr %a239
-  %t243 = load %S.ast.Node, ptr %a3
-  %t244 = call %S.ast.Type @finch.gen.resolve(ptr %t241, %S.ast.Type %t242, %S.ast.Node %t243)
-  %t245 = load i64, ptr %t240
-  %t246 = add i64 %t245, 1
-  call void @finch_arr_reserve(ptr %a229, i64 %t246, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t247 = load ptr, ptr %a229
-  %t248 = getelementptr inbounds %S.ast.Type, ptr %t247, i64 %t245
-  store %S.ast.Type %t244, ptr %t248
-  store i64 %t246, ptr %t240
-  br label %each.step2319
-each.step2319:
-  %t249 = load i64, ptr %a231
-  %t250 = add i64 %t249, 1
-  store i64 %t250, ptr %a231
-  br label %each.cond2317
-each.end2320:
-  %t251 = load ptr, ptr %a1
-  %t252 = icmp eq ptr %t251, null
-  br i1 %t252, label %panic2321, label %ok2322
-panic2321:
-  call void @finch_panic(ptr @.str.1332, i64 518, ptr @.str.1333)
-  unreachable
-ok2322:
-  %t253 = getelementptr inbounds %S.gen.Gen, ptr %t251, i32 0, i32 13
-  %t254 = load { ptr, i64, i64 }, ptr %t253
-  store { ptr, i64, i64 } %t254, ptr %a255
-  call void @finch_str_copy(ptr %a256, ptr %a255)
-  %t257 = load { ptr, i64, i64 }, ptr %a256
-  store { ptr, i64, i64 } %t257, ptr %a258
-  %t259 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i32 0, i32 1
-  %t261 = load i64, ptr %t260
-  %t262 = icmp sgt i64 %t261, 0
-  br i1 %t262, label %then2323, label %endif2325
-then2323:
-  %t263 = load ptr, ptr %a1
-  %t264 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  %t266 = call i1 @finch.gen.imports(ptr %t263, { ptr, i64, i64 } %t265)
-  %t267 = xor i1 %t266, true
-  br i1 %t267, label %then2326, label %endif2328
-then2326:
-  %t268 = load ptr, ptr %a1
-  %t269 = load %S.ast.Node, ptr %a3
-  %t270 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t271 = load { ptr, i64, i64 }, ptr %t270
-  store { ptr, i64, i64 } { ptr @.str.1334, i64 1, i64 0 }, ptr %a273
-  store { ptr, i64, i64 } %t271, ptr %a274
-  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
-  %t275 = load { ptr, i64, i64 }, ptr %a272
-  store { ptr, i64, i64 } %t275, ptr %a277
-  store { ptr, i64, i64 } { ptr @.str.1335, i64 36, i64 0 }, ptr %a278
-  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
-  %t279 = load { ptr, i64, i64 }, ptr %a276
-  %t280 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } %t279, ptr %a283
-  store { ptr, i64, i64 } %t281, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  store { ptr, i64, i64 } %t285, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.1336, i64 1, i64 0 }, ptr %a288
-  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
-  %t289 = load { ptr, i64, i64 }, ptr %a286
-  call void @finch.gen.fail(ptr %t268, %S.ast.Node %t269, { ptr, i64, i64 } %t289)
-  br label %endif2328
-endif2328:
-  %t290 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t291 = load { ptr, i64, i64 }, ptr %t290
-  store { ptr, i64, i64 } %t291, ptr %a292
-  call void @finch_str_copy(ptr %a293, ptr %a292)
-  %t294 = load { ptr, i64, i64 }, ptr %a293
-  store { ptr, i64, i64 } %t294, ptr %a258
-  br label %endif2325
-endif2325:
-  %t295 = load ptr, ptr %a1
-  %t296 = load { ptr, i64, i64 }, ptr %a258
-  %t297 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t298 = load { ptr, i64, i64 }, ptr %t297
-  %t299 = load { ptr, i64, i64 }, ptr %a229
-  %t300 = load %S.ast.Node, ptr %a3
-  %t301 = call %S.ast.Type @finch.gen.instStruct(ptr %t295, { ptr, i64, i64 } %t296, { ptr, i64, i64 } %t298, { ptr, i64, i64 } %t299, %S.ast.Node %t300)
-  ret %S.ast.Type %t301
-endif2316:
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  store { ptr, i64, i64 } %t303, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.1337, i64 1, i64 0 }, ptr %a305
-  %t306 = call i32 @finch_str_eq(ptr %a304, ptr %a305)
-  %t307 = icmp ne i32 %t306, 0
-  br i1 %t307, label %then2329, label %endif2331
-then2329:
-  %t308 = load ptr, ptr %a1
-  %t309 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t310 = load { ptr, i64, i64 }, ptr %t309
-  %t311 = call i64 @finch.gen.findStruct(ptr %t308, { ptr, i64, i64 } { ptr @.str.1338, i64 1, i64 0 }, { ptr, i64, i64 } %t310)
-  %t312 = icmp slt i64 %t311, 0
-  br i1 %t312, label %then2332, label %endif2334
-then2332:
-  %t313 = load ptr, ptr %a1
-  %t314 = load %S.ast.Node, ptr %a3
-  %t315 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t316 = load { ptr, i64, i64 }, ptr %t315
-  store { ptr, i64, i64 } { ptr @.str.1339, i64 28, i64 0 }, ptr %a318
-  store { ptr, i64, i64 } %t316, ptr %a319
-  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
-  %t320 = load { ptr, i64, i64 }, ptr %a317
-  store { ptr, i64, i64 } %t320, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.1340, i64 1, i64 0 }, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  call void @finch.gen.fail(ptr %t313, %S.ast.Node %t314, { ptr, i64, i64 } %t324)
-  br label %endif2334
-endif2334:
-  %t325 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1341, i64 6, i64 0 }, 0
-  %t326 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t327 = load { ptr, i64, i64 }, ptr %t326
-  store { ptr, i64, i64 } %t327, ptr %a328
-  call void @finch_str_copy(ptr %a329, ptr %a328)
-  %t330 = load { ptr, i64, i64 }, ptr %a329
-  %t331 = insertvalue %S.ast.Type %t325, { ptr, i64, i64 } %t330, 2
-  %t332 = insertvalue %S.ast.Type %t331, { ptr, i64, i64 } { ptr @.str.1342, i64 1, i64 0 }, 3
-  ret %S.ast.Type %t332
-endif2331:
-  %t333 = load ptr, ptr %a1
-  %t334 = icmp eq ptr %t333, null
-  br i1 %t334, label %panic2335, label %ok2336
-panic2335:
-  call void @finch_panic(ptr @.str.1343, i64 533, ptr @.str.1344)
-  unreachable
-ok2336:
-  %t335 = getelementptr inbounds %S.gen.Gen, ptr %t333, i32 0, i32 13
-  %t336 = load { ptr, i64, i64 }, ptr %t335
-  store { ptr, i64, i64 } %t336, ptr %a337
-  call void @finch_str_copy(ptr %a338, ptr %a337)
-  %t339 = load { ptr, i64, i64 }, ptr %a338
-  store { ptr, i64, i64 } %t339, ptr %a340
-  %t341 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t342 = getelementptr inbounds { ptr, i64, i64 }, ptr %t341, i32 0, i32 1
-  %t343 = load i64, ptr %t342
-  %t344 = icmp sgt i64 %t343, 0
-  br i1 %t344, label %then2337, label %endif2339
-then2337:
-  %t345 = load ptr, ptr %a1
-  %t346 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t347 = load { ptr, i64, i64 }, ptr %t346
-  %t348 = call i1 @finch.gen.imports(ptr %t345, { ptr, i64, i64 } %t347)
-  %t349 = xor i1 %t348, true
-  br i1 %t349, label %then2340, label %endif2342
-then2340:
-  %t350 = load ptr, ptr %a1
-  %t351 = load %S.ast.Node, ptr %a3
-  %t352 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t353 = load { ptr, i64, i64 }, ptr %t352
-  store { ptr, i64, i64 } { ptr @.str.1345, i64 1, i64 0 }, ptr %a355
-  store { ptr, i64, i64 } %t353, ptr %a356
-  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  store { ptr, i64, i64 } %t357, ptr %a359
-  store { ptr, i64, i64 } { ptr @.str.1346, i64 36, i64 0 }, ptr %a360
-  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
-  %t361 = load { ptr, i64, i64 }, ptr %a358
-  %t362 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t363 = load { ptr, i64, i64 }, ptr %t362
-  store { ptr, i64, i64 } %t361, ptr %a365
-  store { ptr, i64, i64 } %t363, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t367, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.1347, i64 1, i64 0 }, ptr %a370
-  call void @finch_str_concat(ptr %a368, ptr %a369, ptr %a370)
-  %t371 = load { ptr, i64, i64 }, ptr %a368
-  call void @finch.gen.fail(ptr %t350, %S.ast.Node %t351, { ptr, i64, i64 } %t371)
-  br label %endif2342
-endif2342:
-  %t372 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t373 = load { ptr, i64, i64 }, ptr %t372
-  store { ptr, i64, i64 } %t373, ptr %a374
-  call void @finch_str_copy(ptr %a375, ptr %a374)
-  %t376 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t376, ptr %a340
-  br label %endif2339
-endif2339:
-  %t377 = load ptr, ptr %a1
-  %t378 = load { ptr, i64, i64 }, ptr %a340
-  %t379 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t380 = load { ptr, i64, i64 }, ptr %t379
-  %t381 = call i64 @finch.gen.findEnum(ptr %t377, { ptr, i64, i64 } %t378, { ptr, i64, i64 } %t380)
-  %t382 = icmp sge i64 %t381, 0
-  br i1 %t382, label %then2343, label %endif2345
-then2343:
-  %t383 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1348, i64 4, i64 0 }, 0
-  %t384 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t385 = load { ptr, i64, i64 }, ptr %t384
-  store { ptr, i64, i64 } %t385, ptr %a386
-  call void @finch_str_copy(ptr %a387, ptr %a386)
-  %t388 = load { ptr, i64, i64 }, ptr %a387
-  %t389 = insertvalue %S.ast.Type %t383, { ptr, i64, i64 } %t388, 2
-  %t390 = load { ptr, i64, i64 }, ptr %a340
-  store { ptr, i64, i64 } %t390, ptr %a391
-  call void @finch_str_copy(ptr %a392, ptr %a391)
-  %t393 = load { ptr, i64, i64 }, ptr %a392
-  %t394 = insertvalue %S.ast.Type %t389, { ptr, i64, i64 } %t393, 3
-  ret %S.ast.Type %t394
-endif2345:
-  %t395 = load ptr, ptr %a1
-  %t396 = load { ptr, i64, i64 }, ptr %a340
-  %t397 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t398 = load { ptr, i64, i64 }, ptr %t397
-  %t399 = call i64 @finch.gen.findStruct(ptr %t395, { ptr, i64, i64 } %t396, { ptr, i64, i64 } %t398)
-  %t400 = icmp slt i64 %t399, 0
-  br i1 %t400, label %then2346, label %endif2348
-then2346:
-  %t401 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t402 = getelementptr inbounds { ptr, i64, i64 }, ptr %t401, i32 0, i32 1
-  %t403 = load i64, ptr %t402
-  %t404 = icmp eq i64 %t403, 0
   br label %logic.from2349
 logic.from2349:
-  br i1 %t404, label %logic.rhs2350, label %logic.end2351
+  br i1 %t169, label %logic.rhs2350, label %logic.end2351
 logic.rhs2350:
-  %t405 = load ptr, ptr %a1
-  %t406 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t407 = load { ptr, i64, i64 }, ptr %t406
-  %t408 = call i64 @finch.gen.findStruct(ptr %t405, { ptr, i64, i64 } { ptr @.str.1349, i64 1, i64 0 }, { ptr, i64, i64 } %t407)
-  %t409 = icmp sge i64 %t408, 0
+  %t170 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t171 = getelementptr inbounds { ptr, i64, i64 }, ptr %t170, i32 0, i32 1
+  %t172 = load i64, ptr %t171
+  %t173 = icmp eq i64 %t172, 0
   br label %logic.rend2352
 logic.rend2352:
   br label %logic.end2351
 logic.end2351:
-  %t410 = phi i1 [ false, %logic.from2349 ], [ %t409, %logic.rend2352 ]
-  br i1 %t410, label %then2353, label %endif2355
-then2353:
-  %t411 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1350, i64 6, i64 0 }, 0
-  %t412 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t413 = load { ptr, i64, i64 }, ptr %t412
-  store { ptr, i64, i64 } %t413, ptr %a414
-  call void @finch_str_copy(ptr %a415, ptr %a414)
-  %t416 = load { ptr, i64, i64 }, ptr %a415
-  %t417 = insertvalue %S.ast.Type %t411, { ptr, i64, i64 } %t416, 2
-  %t418 = insertvalue %S.ast.Type %t417, { ptr, i64, i64 } { ptr @.str.1351, i64 1, i64 0 }, 3
-  ret %S.ast.Type %t418
-endif2355:
-  %t419 = load ptr, ptr %a1
-  %t420 = load %S.ast.Node, ptr %a3
-  %t421 = load %S.ast.Type, ptr %a2
-  %t422 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t421)
-  store { ptr, i64, i64 } { ptr @.str.1352, i64 24, i64 0 }, ptr %a424
-  store { ptr, i64, i64 } %t422, ptr %a425
-  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
-  %t426 = load { ptr, i64, i64 }, ptr %a423
-  store { ptr, i64, i64 } %t426, ptr %a428
-  store { ptr, i64, i64 } { ptr @.str.1353, i64 1, i64 0 }, ptr %a429
-  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
-  %t430 = load { ptr, i64, i64 }, ptr %a427
-  call void @finch.gen.fail(ptr %t419, %S.ast.Node %t420, { ptr, i64, i64 } %t430)
-  br label %endif2348
-endif2348:
-  %t431 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1354, i64 6, i64 0 }, 0
-  %t432 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t433 = load { ptr, i64, i64 }, ptr %t432
-  store { ptr, i64, i64 } %t433, ptr %a434
-  call void @finch_str_copy(ptr %a435, ptr %a434)
-  %t436 = load { ptr, i64, i64 }, ptr %a435
-  %t437 = insertvalue %S.ast.Type %t431, { ptr, i64, i64 } %t436, 2
-  %t438 = load { ptr, i64, i64 }, ptr %a340
-  store { ptr, i64, i64 } %t438, ptr %a439
-  call void @finch_str_copy(ptr %a440, ptr %a439)
-  %t441 = load { ptr, i64, i64 }, ptr %a440
-  %t442 = insertvalue %S.ast.Type %t437, { ptr, i64, i64 } %t441, 3
-  ret %S.ast.Type %t442
+  %t174 = phi i1 [ false, %logic.from2349 ], [ %t173, %logic.rend2352 ]
+  br label %logic.from2353
+logic.from2353:
+  br i1 %t174, label %logic.rhs2354, label %logic.end2355
+logic.rhs2354:
+  %t175 = load ptr, ptr %a1
+  %t176 = icmp eq ptr %t175, null
+  br i1 %t176, label %panic2356, label %ok2357
+panic2356:
+  call void @finch_panic(ptr @.str.1334, i64 529, ptr @.str.1335)
+  unreachable
+ok2357:
+  %t177 = getelementptr inbounds %S.gen.Gen, ptr %t175, i32 0, i32 18
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %t177, i32 0, i32 1
+  %t179 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t180 = load { ptr, i64, i64 }, ptr %t179
+  store i64 -1, ptr %a181
+  %t182 = load i64, ptr %t178
+  %t183 = load ptr, ptr %t177
+  store i64 0, ptr %a184
+  br label %find.cond2358
+find.cond2358:
+  %t185 = load i64, ptr %a184
+  %t186 = icmp slt i64 %t185, %t182
+  br i1 %t186, label %find.body2359, label %find.end2362
+find.body2359:
+  %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i64 %t185
+  %t188 = load { ptr, i64, i64 }, ptr %t187
+  store { ptr, i64, i64 } %t188, ptr %a189
+  store { ptr, i64, i64 } %t180, ptr %a190
+  %t191 = call i32 @finch_str_eq(ptr %a189, ptr %a190)
+  %t192 = icmp ne i32 %t191, 0
+  br i1 %t192, label %find.hit2360, label %find.next2361
+find.hit2360:
+  store i64 %t185, ptr %a181
+  br label %find.end2362
+find.next2361:
+  %t193 = add i64 %t185, 1
+  store i64 %t193, ptr %a184
+  br label %find.cond2358
+find.end2362:
+  %t194 = load i64, ptr %a181
+  %t195 = icmp sge i64 %t194, 0
+  br label %logic.rend2363
+logic.rend2363:
+  br label %logic.end2355
+logic.end2355:
+  %t196 = phi i1 [ false, %logic.from2353 ], [ %t195, %logic.rend2363 ]
+  br i1 %t196, label %then2364, label %endif2366
+then2364:
+  %t197 = load ptr, ptr %a1
+  %t198 = icmp eq ptr %t197, null
+  br i1 %t198, label %panic2367, label %ok2368
+panic2367:
+  call void @finch_panic(ptr @.str.1336, i64 530, ptr @.str.1337)
+  unreachable
+ok2368:
+  %t199 = getelementptr inbounds %S.gen.Gen, ptr %t197, i32 0, i32 19
+  %t200 = load ptr, ptr %a1
+  %t201 = icmp eq ptr %t200, null
+  br i1 %t201, label %panic2369, label %ok2370
+panic2369:
+  call void @finch_panic(ptr @.str.1338, i64 530, ptr @.str.1339)
+  unreachable
+ok2370:
+  %t202 = getelementptr inbounds %S.gen.Gen, ptr %t200, i32 0, i32 18
+  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t202, i32 0, i32 1
+  %t204 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t205 = load { ptr, i64, i64 }, ptr %t204
+  store i64 -1, ptr %a206
+  %t207 = load i64, ptr %t203
+  %t208 = load ptr, ptr %t202
+  store i64 0, ptr %a209
+  br label %find.cond2371
+find.cond2371:
+  %t210 = load i64, ptr %a209
+  %t211 = icmp slt i64 %t210, %t207
+  br i1 %t211, label %find.body2372, label %find.end2375
+find.body2372:
+  %t212 = getelementptr inbounds { ptr, i64, i64 }, ptr %t208, i64 %t210
+  %t213 = load { ptr, i64, i64 }, ptr %t212
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } %t205, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br i1 %t217, label %find.hit2373, label %find.next2374
+find.hit2373:
+  store i64 %t210, ptr %a206
+  br label %find.end2375
+find.next2374:
+  %t218 = add i64 %t210, 1
+  store i64 %t218, ptr %a209
+  br label %find.cond2371
+find.end2375:
+  %t219 = load i64, ptr %a206
+  %t220 = load { ptr, i64, i64 }, ptr %t199
+  %t221 = extractvalue { ptr, i64, i64 } %t220, 1
+  %t222 = icmp uge i64 %t219, %t221
+  br i1 %t222, label %range2376, label %inrange2377
+range2376:
+  call void @finch_panic_index(ptr @.str.1340, i64 530, i64 %t219, i64 %t221)
+  unreachable
+inrange2377:
+  %t223 = extractvalue { ptr, i64, i64 } %t220, 0
+  %t224 = getelementptr inbounds %S.ast.Type, ptr %t223, i64 %t219
+  %t225 = load %S.ast.Type, ptr %t224
+  store %S.ast.Type %t225, ptr %a226
+  call void @finch.copy.S_ast_Type(ptr %a227, ptr %a226)
+  %t228 = load %S.ast.Type, ptr %a227
+  ret %S.ast.Type %t228
+endif2366:
+  %t229 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i32 0, i32 1
+  %t231 = load i64, ptr %t230
+  %t232 = icmp sgt i64 %t231, 0
+  br i1 %t232, label %then2378, label %endif2380
+then2378:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a233
+  %t234 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  store i64 0, ptr %a235
+  br label %each.cond2381
+each.cond2381:
+  %t236 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i32 0, i32 1
+  %t237 = load i64, ptr %t236
+  %t238 = load i64, ptr %a235
+  %t239 = icmp slt i64 %t238, %t237
+  br i1 %t239, label %each.body2382, label %each.end2384
+each.body2382:
+  %t240 = load ptr, ptr %t234
+  %t241 = getelementptr inbounds %S.ast.Type, ptr %t240, i64 %t238
+  %t242 = load %S.ast.Type, ptr %t241
+  store %S.ast.Type %t242, ptr %a243
+  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %a233, i32 0, i32 1
+  %t245 = load ptr, ptr %a1
+  %t246 = load %S.ast.Type, ptr %a243
+  %t247 = load %S.ast.Node, ptr %a3
+  %t248 = call %S.ast.Type @finch.gen.resolve(ptr %t245, %S.ast.Type %t246, %S.ast.Node %t247)
+  %t249 = load i64, ptr %t244
+  %t250 = add i64 %t249, 1
+  call void @finch_arr_reserve(ptr %a233, i64 %t250, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t251 = load ptr, ptr %a233
+  %t252 = getelementptr inbounds %S.ast.Type, ptr %t251, i64 %t249
+  store %S.ast.Type %t248, ptr %t252
+  store i64 %t250, ptr %t244
+  br label %each.step2383
+each.step2383:
+  %t253 = load i64, ptr %a235
+  %t254 = add i64 %t253, 1
+  store i64 %t254, ptr %a235
+  br label %each.cond2381
+each.end2384:
+  %t255 = load ptr, ptr %a1
+  %t256 = icmp eq ptr %t255, null
+  br i1 %t256, label %panic2385, label %ok2386
+panic2385:
+  call void @finch_panic(ptr @.str.1341, i64 538, ptr @.str.1342)
+  unreachable
+ok2386:
+  %t257 = getelementptr inbounds %S.gen.Gen, ptr %t255, i32 0, i32 14
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
+  call void @finch_str_copy(ptr %a260, ptr %a259)
+  %t261 = load { ptr, i64, i64 }, ptr %a260
+  store { ptr, i64, i64 } %t261, ptr %a262
+  %t263 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
+  %t265 = load i64, ptr %t264
+  %t266 = icmp sgt i64 %t265, 0
+  br i1 %t266, label %then2387, label %endif2389
+then2387:
+  %t267 = load ptr, ptr %a1
+  %t268 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t269 = load { ptr, i64, i64 }, ptr %t268
+  %t270 = call i1 @finch.gen.imports(ptr %t267, { ptr, i64, i64 } %t269)
+  %t271 = xor i1 %t270, true
+  br i1 %t271, label %then2390, label %endif2392
+then2390:
+  %t272 = load ptr, ptr %a1
+  %t273 = load %S.ast.Node, ptr %a3
+  %t274 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t275 = load { ptr, i64, i64 }, ptr %t274
+  store { ptr, i64, i64 } { ptr @.str.1343, i64 1, i64 0 }, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t279, ptr %a281
+  store { ptr, i64, i64 } { ptr @.str.1344, i64 36, i64 0 }, ptr %a282
+  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
+  store { ptr, i64, i64 } %t279, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  %t284 = load { ptr, i64, i64 }, ptr %a280
+  %t285 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t286 = load { ptr, i64, i64 }, ptr %t285
+  store { ptr, i64, i64 } %t284, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  store { ptr, i64, i64 } %t284, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.1345, i64 1, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  call void @finch.gen.fail(ptr %t272, %S.ast.Node %t273, { ptr, i64, i64 } %t296)
+  store { ptr, i64, i64 } %t296, ptr %a297
+  call void @finch_str_drop(ptr %a297)
+  br label %endif2392
+endif2392:
+  %t298 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t299 = load { ptr, i64, i64 }, ptr %t298
+  store { ptr, i64, i64 } %t299, ptr %a300
+  call void @finch_str_copy(ptr %a301, ptr %a300)
+  %t302 = load { ptr, i64, i64 }, ptr %a301
+  %t303 = load { ptr, i64, i64 }, ptr %a262
+  store { ptr, i64, i64 } %t302, ptr %a262
+  store { ptr, i64, i64 } %t303, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  br label %endif2389
+endif2389:
+  %t305 = load ptr, ptr %a1
+  %t306 = load { ptr, i64, i64 }, ptr %a262
+  %t307 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t308 = load { ptr, i64, i64 }, ptr %t307
+  %t309 = load { ptr, i64, i64 }, ptr %a233
+  %t310 = load %S.ast.Node, ptr %a3
+  %t311 = call %S.ast.Type @finch.gen.instStruct(ptr %t305, { ptr, i64, i64 } %t306, { ptr, i64, i64 } %t308, { ptr, i64, i64 } %t309, %S.ast.Node %t310)
+  call void @finch_str_drop(ptr %a262)
+  call void @finch.drop.arr_S_ast_Type(ptr %a233)
+  ret %S.ast.Type %t311
+endif2380:
+  %t312 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t313 = load { ptr, i64, i64 }, ptr %t312
+  store { ptr, i64, i64 } %t313, ptr %a314
+  store { ptr, i64, i64 } { ptr @.str.1346, i64 1, i64 0 }, ptr %a315
+  %t316 = call i32 @finch_str_eq(ptr %a314, ptr %a315)
+  %t317 = icmp ne i32 %t316, 0
+  br i1 %t317, label %then2393, label %endif2395
+then2393:
+  %t318 = load ptr, ptr %a1
+  %t319 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t320 = load { ptr, i64, i64 }, ptr %t319
+  %t321 = call i64 @finch.gen.findStruct(ptr %t318, { ptr, i64, i64 } { ptr @.str.1347, i64 1, i64 0 }, { ptr, i64, i64 } %t320)
+  %t322 = icmp slt i64 %t321, 0
+  br i1 %t322, label %then2396, label %endif2398
+then2396:
+  %t323 = load ptr, ptr %a1
+  %t324 = load %S.ast.Node, ptr %a3
+  %t325 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t326 = load { ptr, i64, i64 }, ptr %t325
+  store { ptr, i64, i64 } { ptr @.str.1348, i64 28, i64 0 }, ptr %a328
+  store { ptr, i64, i64 } %t326, ptr %a329
+  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
+  %t330 = load { ptr, i64, i64 }, ptr %a327
+  store { ptr, i64, i64 } %t330, ptr %a332
+  store { ptr, i64, i64 } { ptr @.str.1349, i64 1, i64 0 }, ptr %a333
+  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
+  store { ptr, i64, i64 } %t330, ptr %a334
+  call void @finch_str_drop(ptr %a334)
+  %t335 = load { ptr, i64, i64 }, ptr %a331
+  call void @finch.gen.fail(ptr %t323, %S.ast.Node %t324, { ptr, i64, i64 } %t335)
+  store { ptr, i64, i64 } %t335, ptr %a336
+  call void @finch_str_drop(ptr %a336)
+  br label %endif2398
+endif2398:
+  %t337 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1350, i64 6, i64 0 }, 0
+  %t338 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t339 = load { ptr, i64, i64 }, ptr %t338
+  store { ptr, i64, i64 } %t339, ptr %a340
+  call void @finch_str_copy(ptr %a341, ptr %a340)
+  %t342 = load { ptr, i64, i64 }, ptr %a341
+  %t343 = insertvalue %S.ast.Type %t337, { ptr, i64, i64 } %t342, 2
+  %t344 = insertvalue %S.ast.Type %t343, { ptr, i64, i64 } { ptr @.str.1351, i64 1, i64 0 }, 3
+  ret %S.ast.Type %t344
+endif2395:
+  %t345 = load ptr, ptr %a1
+  %t346 = icmp eq ptr %t345, null
+  br i1 %t346, label %panic2399, label %ok2400
+panic2399:
+  call void @finch_panic(ptr @.str.1352, i64 553, ptr @.str.1353)
+  unreachable
+ok2400:
+  %t347 = getelementptr inbounds %S.gen.Gen, ptr %t345, i32 0, i32 14
+  %t348 = load { ptr, i64, i64 }, ptr %t347
+  store { ptr, i64, i64 } %t348, ptr %a349
+  call void @finch_str_copy(ptr %a350, ptr %a349)
+  %t351 = load { ptr, i64, i64 }, ptr %a350
+  store { ptr, i64, i64 } %t351, ptr %a352
+  %t353 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t354 = getelementptr inbounds { ptr, i64, i64 }, ptr %t353, i32 0, i32 1
+  %t355 = load i64, ptr %t354
+  %t356 = icmp sgt i64 %t355, 0
+  br i1 %t356, label %then2401, label %endif2403
+then2401:
+  %t357 = load ptr, ptr %a1
+  %t358 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t359 = load { ptr, i64, i64 }, ptr %t358
+  %t360 = call i1 @finch.gen.imports(ptr %t357, { ptr, i64, i64 } %t359)
+  %t361 = xor i1 %t360, true
+  br i1 %t361, label %then2404, label %endif2406
+then2404:
+  %t362 = load ptr, ptr %a1
+  %t363 = load %S.ast.Node, ptr %a3
+  %t364 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t365 = load { ptr, i64, i64 }, ptr %t364
+  store { ptr, i64, i64 } { ptr @.str.1354, i64 1, i64 0 }, ptr %a367
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  %t369 = load { ptr, i64, i64 }, ptr %a366
+  store { ptr, i64, i64 } %t369, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1355, i64 36, i64 0 }, ptr %a372
+  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
+  store { ptr, i64, i64 } %t369, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a370
+  %t375 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t376 = load { ptr, i64, i64 }, ptr %t375
+  store { ptr, i64, i64 } %t374, ptr %a378
+  store { ptr, i64, i64 } %t376, ptr %a379
+  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
+  store { ptr, i64, i64 } %t374, ptr %a380
+  call void @finch_str_drop(ptr %a380)
+  %t381 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t381, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.1356, i64 1, i64 0 }, ptr %a384
+  call void @finch_str_concat(ptr %a382, ptr %a383, ptr %a384)
+  store { ptr, i64, i64 } %t381, ptr %a385
+  call void @finch_str_drop(ptr %a385)
+  %t386 = load { ptr, i64, i64 }, ptr %a382
+  call void @finch.gen.fail(ptr %t362, %S.ast.Node %t363, { ptr, i64, i64 } %t386)
+  store { ptr, i64, i64 } %t386, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  br label %endif2406
+endif2406:
+  %t388 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t389 = load { ptr, i64, i64 }, ptr %t388
+  store { ptr, i64, i64 } %t389, ptr %a390
+  call void @finch_str_copy(ptr %a391, ptr %a390)
+  %t392 = load { ptr, i64, i64 }, ptr %a391
+  %t393 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t392, ptr %a352
+  store { ptr, i64, i64 } %t393, ptr %a394
+  call void @finch_str_drop(ptr %a394)
+  br label %endif2403
+endif2403:
+  %t395 = load ptr, ptr %a1
+  %t396 = load { ptr, i64, i64 }, ptr %a352
+  %t397 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t398 = load { ptr, i64, i64 }, ptr %t397
+  %t399 = call i64 @finch.gen.findEnum(ptr %t395, { ptr, i64, i64 } %t396, { ptr, i64, i64 } %t398)
+  %t400 = icmp sge i64 %t399, 0
+  br i1 %t400, label %then2407, label %endif2409
+then2407:
+  %t401 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1357, i64 4, i64 0 }, 0
+  %t402 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t403 = load { ptr, i64, i64 }, ptr %t402
+  store { ptr, i64, i64 } %t403, ptr %a404
+  call void @finch_str_copy(ptr %a405, ptr %a404)
+  %t406 = load { ptr, i64, i64 }, ptr %a405
+  %t407 = insertvalue %S.ast.Type %t401, { ptr, i64, i64 } %t406, 2
+  %t408 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t408, ptr %a409
+  call void @finch_str_copy(ptr %a410, ptr %a409)
+  %t411 = load { ptr, i64, i64 }, ptr %a410
+  %t412 = insertvalue %S.ast.Type %t407, { ptr, i64, i64 } %t411, 3
+  call void @finch_str_drop(ptr %a352)
+  ret %S.ast.Type %t412
+endif2409:
+  %t413 = load ptr, ptr %a1
+  %t414 = load { ptr, i64, i64 }, ptr %a352
+  %t415 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  %t417 = call i64 @finch.gen.findStruct(ptr %t413, { ptr, i64, i64 } %t414, { ptr, i64, i64 } %t416)
+  %t418 = icmp slt i64 %t417, 0
+  br i1 %t418, label %then2410, label %endif2412
+then2410:
+  %t419 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t420 = getelementptr inbounds { ptr, i64, i64 }, ptr %t419, i32 0, i32 1
+  %t421 = load i64, ptr %t420
+  %t422 = icmp eq i64 %t421, 0
+  br label %logic.from2413
+logic.from2413:
+  br i1 %t422, label %logic.rhs2414, label %logic.end2415
+logic.rhs2414:
+  %t423 = load ptr, ptr %a1
+  %t424 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t425 = load { ptr, i64, i64 }, ptr %t424
+  %t426 = call i64 @finch.gen.findStruct(ptr %t423, { ptr, i64, i64 } { ptr @.str.1358, i64 1, i64 0 }, { ptr, i64, i64 } %t425)
+  %t427 = icmp sge i64 %t426, 0
+  br label %logic.rend2416
+logic.rend2416:
+  br label %logic.end2415
+logic.end2415:
+  %t428 = phi i1 [ false, %logic.from2413 ], [ %t427, %logic.rend2416 ]
+  br i1 %t428, label %then2417, label %endif2419
+then2417:
+  %t429 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1359, i64 6, i64 0 }, 0
+  %t430 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t431 = load { ptr, i64, i64 }, ptr %t430
+  store { ptr, i64, i64 } %t431, ptr %a432
+  call void @finch_str_copy(ptr %a433, ptr %a432)
+  %t434 = load { ptr, i64, i64 }, ptr %a433
+  %t435 = insertvalue %S.ast.Type %t429, { ptr, i64, i64 } %t434, 2
+  %t436 = insertvalue %S.ast.Type %t435, { ptr, i64, i64 } { ptr @.str.1360, i64 1, i64 0 }, 3
+  call void @finch_str_drop(ptr %a352)
+  ret %S.ast.Type %t436
+endif2419:
+  %t437 = load ptr, ptr %a1
+  %t438 = load %S.ast.Node, ptr %a3
+  %t439 = load %S.ast.Type, ptr %a2
+  %t440 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t439)
+  store { ptr, i64, i64 } { ptr @.str.1361, i64 24, i64 0 }, ptr %a442
+  store { ptr, i64, i64 } %t440, ptr %a443
+  call void @finch_str_concat(ptr %a441, ptr %a442, ptr %a443)
+  store { ptr, i64, i64 } %t440, ptr %a444
+  call void @finch_str_drop(ptr %a444)
+  %t445 = load { ptr, i64, i64 }, ptr %a441
+  store { ptr, i64, i64 } %t445, ptr %a447
+  store { ptr, i64, i64 } { ptr @.str.1362, i64 1, i64 0 }, ptr %a448
+  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
+  store { ptr, i64, i64 } %t445, ptr %a449
+  call void @finch_str_drop(ptr %a449)
+  %t450 = load { ptr, i64, i64 }, ptr %a446
+  call void @finch.gen.fail(ptr %t437, %S.ast.Node %t438, { ptr, i64, i64 } %t450)
+  store { ptr, i64, i64 } %t450, ptr %a451
+  call void @finch_str_drop(ptr %a451)
+  br label %endif2412
+endif2412:
+  %t452 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1363, i64 6, i64 0 }, 0
+  %t453 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t454 = load { ptr, i64, i64 }, ptr %t453
+  store { ptr, i64, i64 } %t454, ptr %a455
+  call void @finch_str_copy(ptr %a456, ptr %a455)
+  %t457 = load { ptr, i64, i64 }, ptr %a456
+  %t458 = insertvalue %S.ast.Type %t452, { ptr, i64, i64 } %t457, 2
+  %t459 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t459, ptr %a460
+  call void @finch_str_copy(ptr %a461, ptr %a460)
+  %t462 = load { ptr, i64, i64 }, ptr %a461
+  %t463 = insertvalue %S.ast.Type %t458, { ptr, i64, i64 } %t462, 3
+  call void @finch_str_drop(ptr %a352)
+  ret %S.ast.Type %t463
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %p0) {
@@ -23413,33 +26275,42 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1356, i64 1, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1357, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1365, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1366, i64 1, i64 0 }, ptr %a6
   call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.1359, i64 1, i64 0 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1360, i64 0, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1368, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1369, i64 0, i64 0 }, ptr %a11
   call void @finch_str_replace(ptr %a9, ptr %a8, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.1362, i64 1, i64 0 }, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.1363, i64 1, i64 0 }, ptr %a16
-  call void @finch_str_replace(ptr %a14, ptr %a13, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1365, i64 1, i64 0 }, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1366, i64 0, i64 0 }, ptr %a21
-  call void @finch_str_replace(ptr %a19, ptr %a18, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t22
+  store { ptr, i64, i64 } %t7, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1371, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1372, i64 1, i64 0 }, ptr %a17
+  call void @finch_str_replace(ptr %a15, ptr %a14, ptr %a16, ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a15
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t18, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.1374, i64 1, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.1375, i64 0, i64 0 }, ptr %a23
+  call void @finch_str_replace(ptr %a21, ptr %a20, ptr %a22, ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t18, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  ret { ptr, i64, i64 } %t24
 }
 
 define internal { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %p0) {
@@ -23451,10 +26322,10 @@ entry:
   %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t3 = load i64, ptr %t2
   %t4 = icmp eq i64 %t3, 0
-  br i1 %t4, label %then2356, label %endif2358
-then2356:
-  ret { ptr, i64, i64 } { ptr @.str.1367, i64 4, i64 0 }
-endif2358:
+  br i1 %t4, label %then2420, label %endif2422
+then2420:
+  ret { ptr, i64, i64 } { ptr @.str.1376, i64 4, i64 0 }
+endif2422:
   %t5 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t5, ptr %a6
   call void @finch_str_copy(ptr %a7, ptr %a6)
@@ -23477,48 +26348,58 @@ entry:
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
@@ -23529,194 +26410,225 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1368, i64 4, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1377, i64 4, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br i1 %t13, label %then2359, label %endif2361
-then2359:
-  ret { ptr, i64, i64 } { ptr @.str.1369, i64 2, i64 0 }
-endif2361:
+  br i1 %t13, label %then2423, label %endif2425
+then2423:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1378, i64 2, i64 0 }
+endif2425:
   %t14 = load %S.ast.Type, ptr %a2
   %t15 = call i1 @finch.gen.isInt(%S.ast.Type %t14)
-  br label %logic.from2362
-logic.from2362:
-  br i1 %t15, label %logic.end2364, label %logic.rhs2363
-logic.rhs2363:
+  br label %logic.from2426
+logic.from2426:
+  br i1 %t15, label %logic.end2428, label %logic.rhs2427
+logic.rhs2427:
   %t16 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1370, i64 4, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1379, i64 4, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.rend2365
-logic.rend2365:
-  br label %logic.end2364
-logic.end2364:
-  %t21 = phi i1 [ true, %logic.from2362 ], [ %t20, %logic.rend2365 ]
-  br i1 %t21, label %then2366, label %endif2368
-then2366:
+  br label %logic.rend2429
+logic.rend2429:
+  br label %logic.end2428
+logic.end2428:
+  %t21 = phi i1 [ true, %logic.from2426 ], [ %t20, %logic.rend2429 ]
+  br i1 %t21, label %then2430, label %endif2432
+then2430:
   %t22 = load %S.ast.Type, ptr %a2
   %t23 = call i64 @finch.gen.bitsOf(%S.ast.Type %t22)
   call void @finch_str_from_int(ptr %a24, i64 %t23)
   %t25 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.1371, i64 1, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1380, i64 1, i64 0 }, ptr %a27
   store { ptr, i64, i64 } %t25, ptr %a28
   call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  ret { ptr, i64, i64 } %t29
-endif2368:
-  %t30 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t30, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.1372, i64 5, i64 0 }, ptr %a32
-  %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
-  %t34 = icmp ne i32 %t33, 0
-  br i1 %t34, label %then2369, label %endif2371
-then2369:
-  ret { ptr, i64, i64 } { ptr @.str.1373, i64 6, i64 0 }
-endif2371:
-  %t35 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.1374, i64 3, i64 0 }, ptr %a37
-  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
-  %t39 = icmp ne i32 %t38, 0
-  br i1 %t39, label %then2372, label %endif2374
-then2372:
-  ret { ptr, i64, i64 } { ptr @.str.1375, i64 5, i64 0 }
-endif2374:
-  %t40 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t40, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.1376, i64 3, i64 0 }, ptr %a42
-  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
-  %t44 = icmp ne i32 %t43, 0
-  br label %logic.from2375
-logic.from2375:
-  br i1 %t44, label %logic.end2377, label %logic.rhs2376
-logic.rhs2376:
-  %t45 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t45, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1377, i64 5, i64 0 }, ptr %a47
-  %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
-  %t49 = icmp ne i32 %t48, 0
-  br label %logic.rend2378
-logic.rend2378:
-  br label %logic.end2377
-logic.end2377:
-  %t50 = phi i1 [ true, %logic.from2375 ], [ %t49, %logic.rend2378 ]
-  br i1 %t50, label %then2379, label %endif2381
-then2379:
-  ret { ptr, i64, i64 } { ptr @.str.1378, i64 17, i64 0 }
-endif2381:
-  %t51 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t51, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.1379, i64 3, i64 0 }, ptr %a53
-  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
-  %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %then2382, label %endif2384
-then2382:
-  ret { ptr, i64, i64 } { ptr @.str.1380, i64 37, i64 0 }
-endif2384:
-  %t56 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t56, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1381, i64 5, i64 0 }, ptr %a58
-  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
-  %t60 = icmp ne i32 %t59, 0
-  br i1 %t60, label %then2385, label %endif2387
-then2385:
-  %t61 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t62 = load i64, ptr %t61
-  call void @finch_str_from_int(ptr %a63, i64 %t62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1382, i64 1, i64 0 }, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.1383, i64 3, i64 0 }, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load ptr, ptr %a1
-  %t74 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t75 = load { ptr, i64, i64 }, ptr %t74
-  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
-  %t77 = icmp uge i64 0, %t76
-  br i1 %t77, label %range2388, label %inrange2389
-range2388:
-  call void @finch_panic_index(ptr @.str.1384, i64 586, i64 0, i64 %t76)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } %t30
+endif2432:
+  %t31 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t31, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.1381, i64 5, i64 0 }, ptr %a33
+  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
+  %t35 = icmp ne i32 %t34, 0
+  br i1 %t35, label %then2433, label %endif2435
+then2433:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1382, i64 6, i64 0 }
+endif2435:
+  %t36 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t36, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.1383, i64 3, i64 0 }, ptr %a38
+  %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
+  %t40 = icmp ne i32 %t39, 0
+  br i1 %t40, label %then2436, label %endif2438
+then2436:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1384, i64 5, i64 0 }
+endif2438:
+  %t41 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1385, i64 3, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.from2439
+logic.from2439:
+  br i1 %t45, label %logic.end2441, label %logic.rhs2440
+logic.rhs2440:
+  %t46 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t46, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.1386, i64 5, i64 0 }, ptr %a48
+  %t49 = call i32 @finch_str_eq(ptr %a47, ptr %a48)
+  %t50 = icmp ne i32 %t49, 0
+  br label %logic.rend2442
+logic.rend2442:
+  br label %logic.end2441
+logic.end2441:
+  %t51 = phi i1 [ true, %logic.from2439 ], [ %t50, %logic.rend2442 ]
+  br i1 %t51, label %then2443, label %endif2445
+then2443:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1387, i64 17, i64 0 }
+endif2445:
+  %t52 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t52, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.1388, i64 3, i64 0 }, ptr %a54
+  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br i1 %t56, label %then2446, label %endif2448
+then2446:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1389, i64 37, i64 0 }
+endif2448:
+  %t57 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t57, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.1390, i64 5, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
+  %t61 = icmp ne i32 %t60, 0
+  br i1 %t61, label %then2449, label %endif2451
+then2449:
+  %t62 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t63 = load i64, ptr %t62
+  call void @finch_str_from_int(ptr %a64, i64 %t63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.1391, i64 1, i64 0 }, ptr %a67
+  store { ptr, i64, i64 } %t65, ptr %a68
+  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
+  store { ptr, i64, i64 } %t65, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a66
+  store { ptr, i64, i64 } %t70, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.1392, i64 3, i64 0 }, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t70, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  %t76 = load ptr, ptr %a1
+  %t77 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t78 = load { ptr, i64, i64 }, ptr %t77
+  %t79 = extractvalue { ptr, i64, i64 } %t78, 1
+  %t80 = icmp uge i64 0, %t79
+  br i1 %t80, label %range2452, label %inrange2453
+range2452:
+  call void @finch_panic_index(ptr @.str.1393, i64 606, i64 0, i64 %t79)
   unreachable
-inrange2389:
-  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
-  %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i64 0
-  %t80 = load %S.ast.Type, ptr %t79
-  %t81 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t73, %S.ast.Type %t80)
-  store { ptr, i64, i64 } %t72, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.1385, i64 1, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  ret { ptr, i64, i64 } %t89
-endif2387:
-  %t90 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.1386, i64 4, i64 0 }, ptr %a92
-  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
-  %t94 = icmp ne i32 %t93, 0
-  br i1 %t94, label %then2390, label %endif2392
-then2390:
-  ret { ptr, i64, i64 } { ptr @.str.1387, i64 3, i64 0 }
-endif2392:
-  %t95 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.1388, i64 3, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.from2393
-logic.from2393:
-  br i1 %t99, label %logic.end2395, label %logic.rhs2394
-logic.rhs2394:
-  %t100 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1389, i64 4, i64 0 }, ptr %a102
-  %t103 = call i32 @finch_str_eq(ptr %a101, ptr %a102)
-  %t104 = icmp ne i32 %t103, 0
-  br label %logic.rend2396
-logic.rend2396:
-  br label %logic.end2395
-logic.end2395:
-  %t105 = phi i1 [ true, %logic.from2393 ], [ %t104, %logic.rend2396 ]
-  br i1 %t105, label %then2397, label %endif2399
-then2397:
-  ret { ptr, i64, i64 } { ptr @.str.1390, i64 3, i64 0 }
-endif2399:
+inrange2453:
+  %t81 = extractvalue { ptr, i64, i64 } %t78, 0
+  %t82 = getelementptr inbounds %S.ast.Type, ptr %t81, i64 0
+  %t83 = load %S.ast.Type, ptr %t82
+  %t84 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t76, %S.ast.Type %t83)
+  store { ptr, i64, i64 } %t75, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t75, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  store { ptr, i64, i64 } %t84, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t90, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.1394, i64 1, i64 0 }, ptr %a93
+  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
+  store { ptr, i64, i64 } %t90, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a91
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } %t95
+endif2451:
+  %t96 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t96, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.1395, i64 4, i64 0 }, ptr %a98
+  %t99 = call i32 @finch_str_eq(ptr %a97, ptr %a98)
+  %t100 = icmp ne i32 %t99, 0
+  br i1 %t100, label %then2454, label %endif2456
+then2454:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1396, i64 3, i64 0 }
+endif2456:
+  %t101 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t101, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.1397, i64 3, i64 0 }, ptr %a103
+  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
+  %t105 = icmp ne i32 %t104, 0
+  br label %logic.from2457
+logic.from2457:
+  br i1 %t105, label %logic.end2459, label %logic.rhs2458
+logic.rhs2458:
   %t106 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.1391, i64 4, i64 0 }, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.1398, i64 4, i64 0 }, ptr %a108
   %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
   %t110 = icmp ne i32 %t109, 0
-  br i1 %t110, label %then2400, label %endif2402
-then2400:
-  ret { ptr, i64, i64 } { ptr @.str.1392, i64 4, i64 0 }
-endif2402:
-  %t111 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t112 = load { ptr, i64, i64 }, ptr %t111
-  %t113 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t112)
-  store { ptr, i64, i64 } { ptr @.str.1393, i64 3, i64 0 }, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.1394, i64 1, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  %t124 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t123)
-  store { ptr, i64, i64 } %t121, ptr %a126
-  store { ptr, i64, i64 } %t124, ptr %a127
+  br label %logic.rend2460
+logic.rend2460:
+  br label %logic.end2459
+logic.end2459:
+  %t111 = phi i1 [ true, %logic.from2457 ], [ %t110, %logic.rend2460 ]
+  br i1 %t111, label %then2461, label %endif2463
+then2461:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1399, i64 3, i64 0 }
+endif2463:
+  %t112 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t112, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.1400, i64 4, i64 0 }, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br i1 %t116, label %then2464, label %endif2466
+then2464:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1401, i64 4, i64 0 }
+endif2466:
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t118)
+  store { ptr, i64, i64 } { ptr @.str.1402, i64 3, i64 0 }, ptr %a121
+  store { ptr, i64, i64 } %t119, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t124, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.1403, i64 1, i64 0 }, ptr %a127
   call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
-  %t128 = load { ptr, i64, i64 }, ptr %a125
-  ret { ptr, i64, i64 } %t128
+  store { ptr, i64, i64 } %t124, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  %t129 = load { ptr, i64, i64 }, ptr %a125
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  %t132 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t131)
+  store { ptr, i64, i64 } %t129, ptr %a134
+  store { ptr, i64, i64 } %t132, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t129, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  store { ptr, i64, i64 } %t132, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  %t138 = load { ptr, i64, i64 }, ptr %a133
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } %t138
 }
 
 define internal { ptr, i64, i64 } @finch.gen.retTy(ptr %p0, %S.gen.FnSig %p1) {
@@ -23727,51 +26639,59 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.FnSig %p1, ptr %a2
   %t3 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
   %t4 = load i1, ptr %t3
   %t5 = xor i1 %t4, true
-  br i1 %t5, label %then2403, label %endif2405
-then2403:
+  br i1 %t5, label %then2467, label %endif2469
+then2467:
   %t6 = load ptr, ptr %a1
   %t7 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t8 = load %S.ast.Type, ptr %t7
   %t9 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t6, %S.ast.Type %t8)
   ret { ptr, i64, i64 } %t9
-endif2405:
-  store { ptr, i64, i64 } { ptr @.str.1395, i64 2, i64 0 }, ptr %a10
+endif2469:
+  store { ptr, i64, i64 } { ptr @.str.1404, i64 2, i64 0 }, ptr %a10
   %t11 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t12 = getelementptr inbounds %S.ast.Type, ptr %t11, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1396, i64 4, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1405, i64 4, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp eq i32 %t16, 0
-  br i1 %t17, label %then2406, label %endif2408
-then2406:
+  br i1 %t17, label %then2470, label %endif2472
+then2470:
   %t18 = load ptr, ptr %a1
   %t19 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t20 = load %S.ast.Type, ptr %t19
   %t21 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t18, %S.ast.Type %t20)
-  store { ptr, i64, i64 } %t21, ptr %a10
-  br label %endif2408
-endif2408:
   %t22 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1397, i64 6, i64 0 }, ptr %a24
-  store { ptr, i64, i64 } %t22, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t26, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.1398, i64 21, i64 0 }, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  ret { ptr, i64, i64 } %t30
+  store { ptr, i64, i64 } %t21, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  br label %endif2472
+endif2472:
+  %t24 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1406, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1407, i64 21, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t33
 }
 
 define internal { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %p0) {
@@ -23784,25 +26704,33 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   store %S.ast.Node %p0, ptr %a1
   %t2 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1399, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1408, i64 1, i64 0 }, ptr %a6
   call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 11
@@ -23812,32 +26740,48 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a13
   store { ptr, i64, i64 } %t11, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t15, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1400, i64 1, i64 0 }, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  %t20 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 12
-  %t21 = load i64, ptr %t20
-  call void @finch_str_from_int(ptr %a22, i64 %t21)
-  %t23 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t19, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t27, ptr %a29
-  store { ptr, i64, i64 } { ptr @.str.1401, i64 1, i64 0 }, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  %t32 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 13
-  %t33 = load i64, ptr %t32
-  call void @finch_str_from_int(ptr %a34, i64 %t33)
-  %t35 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t31, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  ret { ptr, i64, i64 } %t39
+  store { ptr, i64, i64 } %t7, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  store { ptr, i64, i64 } %t11, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t17, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1409, i64 1, i64 0 }, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  %t23 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 12
+  %t24 = load i64, ptr %t23
+  call void @finch_str_from_int(ptr %a25, i64 %t24)
+  %t26 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t22, ptr %a28
+  store { ptr, i64, i64 } %t26, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t22, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.1410, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 13
+  %t39 = load i64, ptr %t38
+  call void @finch_str_from_int(ptr %a40, i64 %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t37, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t37, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a42
+  ret { ptr, i64, i64 } %t47
 }
 
 define internal { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %p0) {
@@ -23865,77 +26809,82 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load %S.ast.Type, ptr %a1
   %t9 = call i1 @finch.gen.isInt(%S.ast.Type %t8)
-  br label %logic.from2409
-logic.from2409:
-  br i1 %t9, label %logic.end2411, label %logic.rhs2410
-logic.rhs2410:
+  br label %logic.from2473
+logic.from2473:
+  br i1 %t9, label %logic.end2475, label %logic.rhs2474
+logic.rhs2474:
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1402, i64 4, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1411, i64 4, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br label %logic.rend2412
-logic.rend2412:
-  br label %logic.end2411
-logic.end2411:
-  %t15 = phi i1 [ true, %logic.from2409 ], [ %t14, %logic.rend2412 ]
-  br label %logic.from2413
-logic.from2413:
-  br i1 %t15, label %logic.end2415, label %logic.rhs2414
-logic.rhs2414:
+  br label %logic.rend2476
+logic.rend2476:
+  br label %logic.end2475
+logic.end2475:
+  %t15 = phi i1 [ true, %logic.from2473 ], [ %t14, %logic.rend2476 ]
+  br label %logic.from2477
+logic.from2477:
+  br i1 %t15, label %logic.end2479, label %logic.rhs2478
+logic.rhs2478:
   %t16 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1403, i64 4, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1412, i64 4, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.rend2416
-logic.rend2416:
-  br label %logic.end2415
-logic.end2415:
-  %t21 = phi i1 [ true, %logic.from2413 ], [ %t20, %logic.rend2416 ]
-  br i1 %t21, label %then2417, label %endif2419
-then2417:
-  ret { ptr, i64, i64 } { ptr @.str.1404, i64 1, i64 0 }
-endif2419:
+  br label %logic.rend2480
+logic.rend2480:
+  br label %logic.end2479
+logic.end2479:
+  %t21 = phi i1 [ true, %logic.from2477 ], [ %t20, %logic.rend2480 ]
+  br i1 %t21, label %then2481, label %endif2483
+then2481:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1413, i64 1, i64 0 }
+endif2483:
   %t22 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1405, i64 4, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1414, i64 4, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %then2420, label %endif2422
-then2420:
-  ret { ptr, i64, i64 } { ptr @.str.1406, i64 5, i64 0 }
-endif2422:
+  br i1 %t26, label %then2484, label %endif2486
+then2484:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1415, i64 5, i64 0 }
+endif2486:
   %t27 = load %S.ast.Type, ptr %a1
   %t28 = call i1 @finch.gen.isFloat(%S.ast.Type %t27)
-  br i1 %t28, label %then2423, label %endif2425
-then2423:
-  ret { ptr, i64, i64 } { ptr @.str.1407, i64 3, i64 0 }
-endif2425:
+  br i1 %t28, label %then2487, label %endif2489
+then2487:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1416, i64 3, i64 0 }
+endif2489:
   %t29 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t29, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.1408, i64 3, i64 0 }, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.1417, i64 3, i64 0 }, ptr %a31
   %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
   %t33 = icmp ne i32 %t32, 0
-  br label %logic.from2426
-logic.from2426:
-  br i1 %t33, label %logic.end2428, label %logic.rhs2427
-logic.rhs2427:
+  br label %logic.from2490
+logic.from2490:
+  br i1 %t33, label %logic.end2492, label %logic.rhs2491
+logic.rhs2491:
   %t34 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.1409, i64 4, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.1418, i64 4, i64 0 }, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.rend2429
-logic.rend2429:
-  br label %logic.end2428
-logic.end2428:
-  %t39 = phi i1 [ true, %logic.from2426 ], [ %t38, %logic.rend2429 ]
-  br i1 %t39, label %then2430, label %endif2432
-then2430:
-  ret { ptr, i64, i64 } { ptr @.str.1410, i64 4, i64 0 }
-endif2432:
-  ret { ptr, i64, i64 } { ptr @.str.1411, i64 15, i64 0 }
+  br label %logic.rend2493
+logic.rend2493:
+  br label %logic.end2492
+logic.end2492:
+  %t39 = phi i1 [ true, %logic.from2490 ], [ %t38, %logic.rend2493 ]
+  br i1 %t39, label %then2494, label %endif2496
+then2494:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1419, i64 4, i64 0 }
+endif2496:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1420, i64 15, i64 0 }
 }
 
 define internal { ptr, i64, i64 } @finch.gen.sizeOf(ptr %p0, %S.ast.Type %p1) {
@@ -23945,23 +26894,29 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load %S.ast.Type, ptr %a2
   %t5 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t3, %S.ast.Type %t4)
-  store { ptr, i64, i64 } { ptr @.str.1412, i64 29, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.1421, i64 29, i64 0 }, ptr %a7
   store { ptr, i64, i64 } %t5, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
-  %t9 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t9, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1413, i64 26, i64 0 }, ptr %a12
-  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  ret { ptr, i64, i64 } %t13
+  store { ptr, i64, i64 } %t5, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  %t10 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t10, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1422, i64 26, i64 0 }, ptr %a13
+  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  ret { ptr, i64, i64 } %t15
 }
 
 define internal i1 @finch.gen.owning(ptr %p0, %S.ast.Type %p1) {
@@ -23981,59 +26936,59 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1414, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1423, i64 3, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br label %logic.from2433
-logic.from2433:
-  br i1 %t8, label %logic.end2435, label %logic.rhs2434
-logic.rhs2434:
+  br label %logic.from2497
+logic.from2497:
+  br i1 %t8, label %logic.end2499, label %logic.rhs2498
+logic.rhs2498:
   %t9 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1415, i64 5, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1424, i64 5, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br label %logic.rend2436
-logic.rend2436:
-  br label %logic.end2435
-logic.end2435:
-  %t15 = phi i1 [ true, %logic.from2433 ], [ %t14, %logic.rend2436 ]
-  br label %logic.from2437
-logic.from2437:
-  br i1 %t15, label %logic.end2439, label %logic.rhs2438
-logic.rhs2438:
+  br label %logic.rend2500
+logic.rend2500:
+  br label %logic.end2499
+logic.end2499:
+  %t15 = phi i1 [ true, %logic.from2497 ], [ %t14, %logic.rend2500 ]
+  br label %logic.from2501
+logic.from2501:
+  br i1 %t15, label %logic.end2503, label %logic.rhs2502
+logic.rhs2502:
   %t16 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t17 = load { ptr, i64, i64 }, ptr %t16
   store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1416, i64 3, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1425, i64 3, i64 0 }, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp ne i32 %t20, 0
-  br label %logic.rend2440
-logic.rend2440:
-  br label %logic.end2439
-logic.end2439:
-  %t22 = phi i1 [ true, %logic.from2437 ], [ %t21, %logic.rend2440 ]
-  br i1 %t22, label %then2441, label %endif2443
-then2441:
+  br label %logic.rend2504
+logic.rend2504:
+  br label %logic.end2503
+logic.end2503:
+  %t22 = phi i1 [ true, %logic.from2501 ], [ %t21, %logic.rend2504 ]
+  br i1 %t22, label %then2505, label %endif2507
+then2505:
   ret i1 true
-endif2443:
+endif2507:
   %t23 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t24 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1417, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1426, i64 6, i64 0 }, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br i1 %t28, label %then2444, label %endif2446
-then2444:
+  br i1 %t28, label %then2508, label %endif2510
+then2508:
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2447, label %ok2448
-panic2447:
-  call void @finch_panic(ptr @.str.1418, i64 644, ptr @.str.1419)
+  br i1 %t30, label %panic2511, label %ok2512
+panic2511:
+  call void @finch_panic(ptr @.str.1427, i64 664, ptr @.str.1428)
   unreachable
-ok2448:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 15
+ok2512:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 16
   %t32 = load ptr, ptr %a1
   %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t34 = load { ptr, i64, i64 }, ptr %t33
@@ -24043,17 +26998,17 @@ ok2448:
   %t38 = load { ptr, i64, i64 }, ptr %t31
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 %t37, %t39
-  br i1 %t40, label %range2449, label %inrange2450
-range2449:
-  call void @finch_panic_index(ptr @.str.1420, i64 644, i64 %t37, i64 %t39)
+  br i1 %t40, label %range2513, label %inrange2514
+range2513:
+  call void @finch_panic_index(ptr @.str.1429, i64 664, i64 %t37, i64 %t39)
   unreachable
-inrange2450:
+inrange2514:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds %S.gen.StructDef, ptr %t41, i64 %t37
   %t43 = getelementptr inbounds %S.gen.StructDef, ptr %t42, i32 0, i32 16
   %t44 = load i1, ptr %t43
   ret i1 %t44
-endif2446:
+endif2510:
   ret i1 false
 }
 
@@ -24065,178 +27020,214 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   store %S.ast.Type %p0, ptr %a1
   %t2 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.1421, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1430, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then2451, label %endif2453
-then2451:
+  br i1 %t7, label %then2515, label %endif2517
+then2515:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 0, %t10
-  br i1 %t11, label %range2454, label %inrange2455
-range2454:
-  call void @finch_panic_index(ptr @.str.1423, i64 651, i64 0, i64 %t10)
+  br i1 %t11, label %range2518, label %inrange2519
+range2518:
+  call void @finch_panic_index(ptr @.str.1432, i64 671, i64 0, i64 %t10)
   unreachable
-inrange2455:
+inrange2519:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.ast.Type, ptr %t12, i64 0
   %t14 = load %S.ast.Type, ptr %t13
   %t15 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t14)
-  store { ptr, i64, i64 } { ptr @.str.1422, i64 4, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1431, i64 4, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  ret { ptr, i64, i64 } %t19
-endif2453:
-  %t20 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t21 = load { ptr, i64, i64 }, ptr %t20
-  store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.1424, i64 3, i64 0 }, ptr %a23
-  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
-  %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then2456, label %endif2458
-then2456:
-  %t26 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t27 = load { ptr, i64, i64 }, ptr %t26
-  %t28 = extractvalue { ptr, i64, i64 } %t27, 1
-  %t29 = icmp uge i64 0, %t28
-  br i1 %t29, label %range2459, label %inrange2460
-range2459:
-  call void @finch_panic_index(ptr @.str.1426, i64 654, i64 0, i64 %t28)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  ret { ptr, i64, i64 } %t20
+endif2517:
+  %t21 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t22 = load { ptr, i64, i64 }, ptr %t21
+  store { ptr, i64, i64 } %t22, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.1433, i64 3, i64 0 }, ptr %a24
+  %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
+  %t26 = icmp ne i32 %t25, 0
+  br i1 %t26, label %then2520, label %endif2522
+then2520:
+  %t27 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t28 = load { ptr, i64, i64 }, ptr %t27
+  %t29 = extractvalue { ptr, i64, i64 } %t28, 1
+  %t30 = icmp uge i64 0, %t29
+  br i1 %t30, label %range2523, label %inrange2524
+range2523:
+  call void @finch_panic_index(ptr @.str.1435, i64 674, i64 0, i64 %t29)
   unreachable
-inrange2460:
-  %t30 = extractvalue { ptr, i64, i64 } %t27, 0
-  %t31 = getelementptr inbounds %S.ast.Type, ptr %t30, i64 0
-  %t32 = load %S.ast.Type, ptr %t31
-  %t33 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t32)
-  store { ptr, i64, i64 } { ptr @.str.1425, i64 4, i64 0 }, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.1427, i64 1, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
-  %t45 = icmp uge i64 1, %t44
-  br i1 %t45, label %range2461, label %inrange2462
-range2461:
-  call void @finch_panic_index(ptr @.str.1428, i64 654, i64 1, i64 %t44)
+inrange2524:
+  %t31 = extractvalue { ptr, i64, i64 } %t28, 0
+  %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i64 0
+  %t33 = load %S.ast.Type, ptr %t32
+  %t34 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t33)
+  store { ptr, i64, i64 } { ptr @.str.1434, i64 4, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1436, i64 1, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = icmp uge i64 1, %t47
+  br i1 %t48, label %range2525, label %inrange2526
+range2525:
+  call void @finch_panic_index(ptr @.str.1437, i64 674, i64 1, i64 %t47)
   unreachable
-inrange2462:
-  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
-  %t47 = getelementptr inbounds %S.ast.Type, ptr %t46, i64 1
-  %t48 = load %S.ast.Type, ptr %t47
-  %t49 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t48)
-  store { ptr, i64, i64 } %t41, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  ret { ptr, i64, i64 } %t53
-endif2458:
-  %t54 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.1429, i64 4, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
-  %t59 = icmp ne i32 %t58, 0
-  br i1 %t59, label %then2463, label %endif2465
-then2463:
-  %t60 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
-  %t61 = load { ptr, i64, i64 }, ptr %t60
-  %t62 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t61)
-  store { ptr, i64, i64 } { ptr @.str.1430, i64 2, i64 0 }, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.1431, i64 1, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  %t71 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t72 = load { ptr, i64, i64 }, ptr %t71
-  store { ptr, i64, i64 } %t70, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
+inrange2526:
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = getelementptr inbounds %S.ast.Type, ptr %t49, i64 1
+  %t51 = load %S.ast.Type, ptr %t50
+  %t52 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t51)
+  store { ptr, i64, i64 } %t44, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a55
+  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
+  store { ptr, i64, i64 } %t44, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  store { ptr, i64, i64 } %t52, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a53
+  ret { ptr, i64, i64 } %t58
+endif2522:
+  %t59 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  store { ptr, i64, i64 } %t60, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.1438, i64 4, i64 0 }, ptr %a62
+  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
+  %t64 = icmp ne i32 %t63, 0
+  br i1 %t64, label %then2527, label %endif2529
+then2527:
+  %t65 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t66 = load { ptr, i64, i64 }, ptr %t65
+  %t67 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t66)
+  store { ptr, i64, i64 } { ptr @.str.1439, i64 2, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } %t67, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1440, i64 1, i64 0 }, ptr %a75
   call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  ret { ptr, i64, i64 } %t76
-endif2465:
-  %t77 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t78 = load { ptr, i64, i64 }, ptr %t77
-  store { ptr, i64, i64 } %t78, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.1432, i64 6, i64 0 }, ptr %a80
-  %t81 = call i32 @finch_str_eq(ptr %a79, ptr %a80)
-  %t82 = icmp ne i32 %t81, 0
-  br i1 %t82, label %then2466, label %endif2468
-then2466:
-  %t83 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
-  %t84 = load { ptr, i64, i64 }, ptr %t83
-  %t85 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t84)
-  store { ptr, i64, i64 } { ptr @.str.1433, i64 2, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.1434, i64 1, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t95)
-  store { ptr, i64, i64 } %t93, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  ret { ptr, i64, i64 } %t100
-endif2468:
-  %t101 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t102 = load { ptr, i64, i64 }, ptr %t101
-  store { ptr, i64, i64 } %t102, ptr %a103
-  call void @finch_str_copy(ptr %a104, ptr %a103)
-  %t105 = load { ptr, i64, i64 }, ptr %a104
-  ret { ptr, i64, i64 } %t105
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t77, ptr %a81
+  store { ptr, i64, i64 } %t79, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t77, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  ret { ptr, i64, i64 } %t84
+endif2529:
+  %t85 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  store { ptr, i64, i64 } %t86, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.1441, i64 6, i64 0 }, ptr %a88
+  %t89 = call i32 @finch_str_eq(ptr %a87, ptr %a88)
+  %t90 = icmp ne i32 %t89, 0
+  br i1 %t90, label %then2530, label %endif2532
+then2530:
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t92 = load { ptr, i64, i64 }, ptr %t91
+  %t93 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } { ptr @.str.1442, i64 2, i64 0 }, ptr %a95
+  store { ptr, i64, i64 } %t93, ptr %a96
+  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  store { ptr, i64, i64 } %t98, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.1443, i64 1, i64 0 }, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  %t104 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  %t106 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t105)
+  store { ptr, i64, i64 } %t103, ptr %a108
+  store { ptr, i64, i64 } %t106, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t103, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  store { ptr, i64, i64 } %t106, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a107
+  ret { ptr, i64, i64 } %t112
+endif2532:
+  %t113 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  store { ptr, i64, i64 } %t114, ptr %a115
+  call void @finch_str_copy(ptr %a116, ptr %a115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  ret { ptr, i64, i64 } %t117
 }
 
 define internal { ptr, i64, i64 } @finch.gen.hex(i64 %p0) {
@@ -24248,18 +27239,20 @@ entry:
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.1435, i64 16, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1444, i64 16, i64 0 }, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = sdiv i64 %t3, 16
   %t5 = load { ptr, i64, i64 }, ptr %a2
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 %t4, %t6
-  br i1 %t7, label %range2469, label %inrange2470
-range2469:
-  call void @finch_panic_index(ptr @.str.1436, i64 669, i64 %t4, i64 %t6)
+  br i1 %t7, label %range2533, label %inrange2534
+range2533:
+  call void @finch_panic_index(ptr @.str.1445, i64 689, i64 %t4, i64 %t6)
   unreachable
-inrange2470:
+inrange2534:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds i8, ptr %t8, i64 %t4
   %t10 = load i8, ptr %t9
@@ -24270,11 +27263,11 @@ inrange2470:
   %t15 = load { ptr, i64, i64 }, ptr %a2
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 %t14, %t16
-  br i1 %t17, label %range2471, label %inrange2472
-range2471:
-  call void @finch_panic_index(ptr @.str.1437, i64 669, i64 %t14, i64 %t16)
+  br i1 %t17, label %range2535, label %inrange2536
+range2535:
+  call void @finch_panic_index(ptr @.str.1446, i64 689, i64 %t14, i64 %t16)
   unreachable
-inrange2472:
+inrange2536:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds i8, ptr %t18, i64 %t14
   %t20 = load i8, ptr %t19
@@ -24283,8 +27276,13 @@ inrange2472:
   store { ptr, i64, i64 } %t12, ptr %a24
   store { ptr, i64, i64 } %t22, ptr %a25
   call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  ret { ptr, i64, i64 } %t26
+  store { ptr, i64, i64 } %t12, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  store { ptr, i64, i64 } %t22, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch_str_drop(ptr %a2)
+  ret { ptr, i64, i64 } %t28
 }
 
 define internal { ptr, i64, i64 } @finch.gen.strGlobal(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -24295,214 +27293,234 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca i64, align 16
-  %a28 = alloca i8, align 16
-  %a31 = alloca i64, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca i64, align 16
+  %a29 = alloca i8, align 16
+  %a32 = alloca i64, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2473, label %ok2474
-panic2473:
-  call void @finch_panic(ptr @.str.1438, i64 673, ptr @.str.1439)
+  br i1 %t4, label %panic2537, label %ok2538
+panic2537:
+  call void @finch_panic(ptr @.str.1447, i64 693, ptr @.str.1448)
   unreachable
-ok2474:
+ok2538:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 8
   %t6 = load i64, ptr %t5
   %t7 = add i64 %t6, 1
   store i64 %t7, ptr %t5
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic2475, label %ok2476
-panic2475:
-  call void @finch_panic(ptr @.str.1441, i64 674, ptr @.str.1442)
+  br i1 %t9, label %panic2539, label %ok2540
+panic2539:
+  call void @finch_panic(ptr @.str.1450, i64 694, ptr @.str.1451)
   unreachable
-ok2476:
+ok2540:
   %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 8
   %t11 = load i64, ptr %t10
   call void @finch_str_from_int(ptr %a12, i64 %t11)
   %t13 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1440, i64 6, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1449, i64 6, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } zeroinitializer, ptr %a19
-  store i64 0, ptr %a20
-  br label %each.cond2477
-each.cond2477:
-  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t22 = load i64, ptr %t21
-  %t23 = load i64, ptr %a20
-  %t24 = icmp slt i64 %t23, %t22
-  br i1 %t24, label %each.body2478, label %each.end2480
-each.body2478:
-  %t25 = load ptr, ptr %a2
-  %t26 = getelementptr inbounds i8, ptr %t25, i64 %t23
-  %t27 = load i8, ptr %t26
-  store i8 %t27, ptr %a28
-  %t29 = load i8, ptr %a28
-  %t30 = zext i8 %t29 to i64
-  store i64 %t30, ptr %a31
-  %t32 = load i64, ptr %a31
-  %t33 = icmp slt i64 %t32, 0
-  br i1 %t33, label %then2481, label %endif2483
-then2481:
-  %t34 = load i64, ptr %a31
-  %t35 = add i64 %t34, 256
-  store i64 %t35, ptr %a31
-  br label %endif2483
-endif2483:
-  %t36 = load i64, ptr %a31
-  %t37 = icmp sge i64 %t36, 32
-  br label %logic.from2484
-logic.from2484:
-  br i1 %t37, label %logic.rhs2485, label %logic.end2486
-logic.rhs2485:
-  %t38 = load i64, ptr %a31
-  %t39 = icmp slt i64 %t38, 127
-  br label %logic.rend2487
-logic.rend2487:
-  br label %logic.end2486
-logic.end2486:
-  %t40 = phi i1 [ false, %logic.from2484 ], [ %t39, %logic.rend2487 ]
-  br label %logic.from2488
-logic.from2488:
-  br i1 %t40, label %logic.rhs2489, label %logic.end2490
-logic.rhs2489:
-  %t41 = load i8, ptr %a28
-  %t42 = icmp ne i8 %t41, 34
-  br label %logic.rend2491
-logic.rend2491:
-  br label %logic.end2490
-logic.end2490:
-  %t43 = phi i1 [ false, %logic.from2488 ], [ %t42, %logic.rend2491 ]
-  br label %logic.from2492
-logic.from2492:
-  br i1 %t43, label %logic.rhs2493, label %logic.end2494
-logic.rhs2493:
-  %t44 = load i8, ptr %a28
-  %t45 = icmp ne i8 %t44, 92
-  br label %logic.rend2495
-logic.rend2495:
-  br label %logic.end2494
-logic.end2494:
-  %t46 = phi i1 [ false, %logic.from2492 ], [ %t45, %logic.rend2495 ]
-  br i1 %t46, label %then2496, label %else2497
-then2496:
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t48 = load i8, ptr %a28
-  call void @finch_str_from_char(ptr %a49, i8 signext %t48)
-  %t50 = load { ptr, i64, i64 }, ptr %a49
-  %t51 = load i64, ptr %t47
-  %t52 = add i64 %t51, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t52, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t53 = load ptr, ptr %a19
-  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i64 %t51
-  store { ptr, i64, i64 } %t50, ptr %t54
-  store i64 %t52, ptr %t47
-  br label %endif2498
-else2497:
-  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t56 = load i64, ptr %a31
-  %t57 = call { ptr, i64, i64 } @finch.gen.hex(i64 %t56)
-  store { ptr, i64, i64 } { ptr @.str.1443, i64 1, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load i64, ptr %t55
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t63, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %a19
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t62
-  store { ptr, i64, i64 } %t61, ptr %t65
-  store i64 %t63, ptr %t55
-  br label %endif2498
-endif2498:
-  br label %each.step2479
-each.step2479:
-  %t66 = load i64, ptr %a20
-  %t67 = add i64 %t66, 1
-  store i64 %t67, ptr %a20
-  br label %each.cond2477
-each.end2480:
-  %t68 = load ptr, ptr %a1
-  %t69 = icmp eq ptr %t68, null
-  br i1 %t69, label %panic2499, label %ok2500
-panic2499:
-  call void @finch_panic(ptr @.str.1444, i64 687, ptr @.str.1445)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a19
+  store { ptr, i64, i64 } zeroinitializer, ptr %a20
+  store i64 0, ptr %a21
+  br label %each.cond2541
+each.cond2541:
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = load i64, ptr %a21
+  %t25 = icmp slt i64 %t24, %t23
+  br i1 %t25, label %each.body2542, label %each.end2544
+each.body2542:
+  %t26 = load ptr, ptr %a2
+  %t27 = getelementptr inbounds i8, ptr %t26, i64 %t24
+  %t28 = load i8, ptr %t27
+  store i8 %t28, ptr %a29
+  %t30 = load i8, ptr %a29
+  %t31 = zext i8 %t30 to i64
+  store i64 %t31, ptr %a32
+  %t33 = load i64, ptr %a32
+  %t34 = icmp slt i64 %t33, 0
+  br i1 %t34, label %then2545, label %endif2547
+then2545:
+  %t35 = load i64, ptr %a32
+  %t36 = add i64 %t35, 256
+  store i64 %t36, ptr %a32
+  br label %endif2547
+endif2547:
+  %t37 = load i64, ptr %a32
+  %t38 = icmp sge i64 %t37, 32
+  br label %logic.from2548
+logic.from2548:
+  br i1 %t38, label %logic.rhs2549, label %logic.end2550
+logic.rhs2549:
+  %t39 = load i64, ptr %a32
+  %t40 = icmp slt i64 %t39, 127
+  br label %logic.rend2551
+logic.rend2551:
+  br label %logic.end2550
+logic.end2550:
+  %t41 = phi i1 [ false, %logic.from2548 ], [ %t40, %logic.rend2551 ]
+  br label %logic.from2552
+logic.from2552:
+  br i1 %t41, label %logic.rhs2553, label %logic.end2554
+logic.rhs2553:
+  %t42 = load i8, ptr %a29
+  %t43 = icmp ne i8 %t42, 34
+  br label %logic.rend2555
+logic.rend2555:
+  br label %logic.end2554
+logic.end2554:
+  %t44 = phi i1 [ false, %logic.from2552 ], [ %t43, %logic.rend2555 ]
+  br label %logic.from2556
+logic.from2556:
+  br i1 %t44, label %logic.rhs2557, label %logic.end2558
+logic.rhs2557:
+  %t45 = load i8, ptr %a29
+  %t46 = icmp ne i8 %t45, 92
+  br label %logic.rend2559
+logic.rend2559:
+  br label %logic.end2558
+logic.end2558:
+  %t47 = phi i1 [ false, %logic.from2556 ], [ %t46, %logic.rend2559 ]
+  br i1 %t47, label %then2560, label %else2561
+then2560:
+  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
+  %t49 = load i8, ptr %a29
+  call void @finch_str_from_char(ptr %a50, i8 signext %t49)
+  %t51 = load { ptr, i64, i64 }, ptr %a50
+  %t52 = load i64, ptr %t48
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %a20, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %a20
+  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
+  store { ptr, i64, i64 } %t51, ptr %t55
+  store i64 %t53, ptr %t48
+  br label %endif2562
+else2561:
+  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
+  %t57 = load i64, ptr %a32
+  %t58 = call { ptr, i64, i64 } @finch.gen.hex(i64 %t57)
+  store { ptr, i64, i64 } { ptr @.str.1452, i64 1, i64 0 }, ptr %a60
+  store { ptr, i64, i64 } %t58, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  %t64 = load i64, ptr %t56
+  %t65 = add i64 %t64, 1
+  call void @finch_arr_reserve(ptr %a20, i64 %t65, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t66 = load ptr, ptr %a20
+  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i64 %t64
+  store { ptr, i64, i64 } %t63, ptr %t67
+  store i64 %t65, ptr %t56
+  br label %endif2562
+endif2562:
+  br label %each.step2543
+each.step2543:
+  %t68 = load i64, ptr %a21
+  %t69 = add i64 %t68, 1
+  store i64 %t69, ptr %a21
+  br label %each.cond2541
+each.end2544:
+  %t70 = load ptr, ptr %a1
+  %t71 = icmp eq ptr %t70, null
+  br i1 %t71, label %panic2563, label %ok2564
+panic2563:
+  call void @finch_panic(ptr @.str.1453, i64 707, ptr @.str.1454)
   unreachable
-ok2500:
-  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 2
-  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
-  %t72 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.1446, i64 34, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t78 = load i64, ptr %t77
-  %t79 = add i64 %t78, 1
-  call void @finch_str_from_int(ptr %a80, i64 %t79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t76, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.1447, i64 9, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1448, i64 0, i64 0 }, ptr %a91
-  call void @finch_str_join(ptr %a92, ptr %a19, ptr %a91)
-  %t93 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t89, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.1449, i64 4, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load i64, ptr %t71
-  %t103 = add i64 %t102, 1
-  call void @finch_arr_reserve(ptr %t70, i64 %t103, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t104 = load ptr, ptr %t70
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 %t102
-  store { ptr, i64, i64 } %t101, ptr %t105
-  store i64 %t103, ptr %t71
-  %t106 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t106, ptr %a107
-  call void @finch_str_copy(ptr %a108, ptr %a107)
-  %t109 = load { ptr, i64, i64 }, ptr %a108
-  ret { ptr, i64, i64 } %t109
+ok2564:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 2
+  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i32 0, i32 1
+  %t74 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.1455, i64 34, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a75
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t80 = load i64, ptr %t79
+  %t81 = add i64 %t80, 1
+  call void @finch_str_from_int(ptr %a82, i64 %t81)
+  %t83 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t78, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t78, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  store { ptr, i64, i64 } %t83, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a84
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.1456, i64 9, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1457, i64 0, i64 0 }, ptr %a96
+  call void @finch_str_join(ptr %a97, ptr %a20, ptr %a96)
+  %t98 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t94, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t94, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  store { ptr, i64, i64 } %t98, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.1458, i64 4, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = load i64, ptr %t73
+  %t111 = add i64 %t110, 1
+  call void @finch_arr_reserve(ptr %t72, i64 %t111, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t112 = load ptr, ptr %t72
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 %t110
+  store { ptr, i64, i64 } %t109, ptr %t113
+  store i64 %t111, ptr %t73
+  %t114 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.drop.arr_str(ptr %a20)
+  ret { ptr, i64, i64 } %t114
 }
 
 define internal %S.gen.Val @finch.gen.strConst(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -24516,13 +27534,17 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -24530,31 +27552,40 @@ entry:
   %t5 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t3, { ptr, i64, i64 } %t4)
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.1450, i64 6, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.1459, i64 6, i64 0 }, ptr %a9
   store { ptr, i64, i64 } %t7, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t11, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.1451, i64 6, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1460, i64 6, i64 0 }, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t17 = load i64, ptr %t16
-  call void @finch_str_from_int(ptr %a18, i64 %t17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t15, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1452, i64 9, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t27, 0
-  %t29 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1453, i64 3, i64 0 })
-  %t30 = insertvalue %S.gen.Val %t28, %S.ast.Type %t29, 1
-  %t31 = insertvalue %S.gen.Val %t30, i1 true, 2
-  ret %S.gen.Val %t31
+  store { ptr, i64, i64 } %t11, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = load { ptr, i64, i64 }, ptr %a12
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  call void @finch_str_from_int(ptr %a19, i64 %t18)
+  %t20 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t16, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  store { ptr, i64, i64 } %t16, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  store { ptr, i64, i64 } %t20, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.1461, i64 9, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t31, 0
+  %t33 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1462, i64 3, i64 0 })
+  %t34 = insertvalue %S.gen.Val %t32, %S.ast.Type %t33, 1
+  %t35 = insertvalue %S.gen.Val %t34, i1 true, 2
+  call void @finch_str_drop(ptr %a6)
+  ret %S.gen.Val %t35
 }
 
 define internal void @finch.gen.panicIf(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, %S.ast.Node %p3) {
@@ -24573,28 +27604,35 @@ entry:
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Node %p3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1454, i64 5, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1463, i64 5, i64 0 })
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load ptr, ptr %a1
-  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1455, i64 2, i64 0 })
+  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1464, i64 2, i64 0 })
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
   %t12 = load { ptr, i64, i64 }, ptr %a2
@@ -24607,22 +27645,22 @@ entry:
   %t17 = load ptr, ptr %a1
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic2501, label %ok2502
-panic2501:
-  call void @finch_panic(ptr @.str.1456, i64 703, ptr @.str.1457)
+  br i1 %t19, label %panic2565, label %ok2566
+panic2565:
+  call void @finch_panic(ptr @.str.1465, i64 723, ptr @.str.1466)
   unreachable
-ok2502:
+ok2566:
   %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 13
   %t22 = load i64, ptr %t21
   %t23 = load { ptr, i64, i64 }, ptr %t20
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 %t22, %t24
-  br i1 %t25, label %range2503, label %inrange2504
-range2503:
-  call void @finch_panic_index(ptr @.str.1458, i64 703, i64 %t22, i64 %t24)
+  br i1 %t25, label %range2567, label %inrange2568
+range2567:
+  call void @finch_panic_index(ptr @.str.1467, i64 723, i64 %t22, i64 %t24)
   unreachable
-inrange2504:
+inrange2568:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i64 %t22
   %t28 = load { ptr, i64, i64 }, ptr %t27
@@ -24634,50 +27672,68 @@ inrange2504:
   store { ptr, i64, i64 } %t33, ptr %a34
   %t35 = load ptr, ptr %a1
   %t36 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.1459, i64 27, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.1468, i64 27, i64 0 }, ptr %a38
   store { ptr, i64, i64 } %t36, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
   %t40 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t40, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.1460, i64 6, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.1469, i64 6, i64 0 }, ptr %a43
   call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  %t45 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
-  %t46 = load i64, ptr %t45
-  call void @finch_str_from_int(ptr %a47, i64 %t46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t44, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.1461, i64 6, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t56, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t61, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1462, i64 1, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
+  %t47 = load i64, ptr %t46
+  call void @finch_str_from_int(ptr %a48, i64 %t47)
+  %t49 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } %t45, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t45, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.1470, i64 6, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load { ptr, i64, i64 }, ptr %a34
+  store { ptr, i64, i64 } %t60, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
   call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.emit(ptr %t35, { ptr, i64, i64 } %t65)
-  %t66 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t66, { ptr, i64, i64 } { ptr @.str.1463, i64 11, i64 0 })
-  %t67 = load ptr, ptr %a1
-  %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic2505, label %ok2506
-panic2505:
-  call void @finch_panic(ptr @.str.1464, i64 707, ptr @.str.1465)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1471, i64 1, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  call void @finch.gen.emit(ptr %t35, { ptr, i64, i64 } %t71)
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t73, { ptr, i64, i64 } { ptr @.str.1472, i64 11, i64 0 })
+  %t74 = load ptr, ptr %a1
+  %t75 = icmp eq ptr %t74, null
+  br i1 %t75, label %panic2569, label %ok2570
+panic2569:
+  call void @finch_panic(ptr @.str.1473, i64 727, ptr @.str.1474)
   unreachable
-ok2506:
-  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 9
-  store i1 true, ptr %t69
-  %t70 = load ptr, ptr %a1
-  %t71 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.label(ptr %t70, { ptr, i64, i64 } %t71)
+ok2570:
+  %t76 = getelementptr inbounds %S.gen.Gen, ptr %t74, i32 0, i32 9
+  store i1 true, ptr %t76
+  %t77 = load ptr, ptr %a1
+  %t78 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.label(ptr %t77, { ptr, i64, i64 } %t78)
+  call void @finch_str_drop(ptr %a34)
+  call void @finch_str_drop(ptr %a30)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a7)
   ret void
 }
 
@@ -24695,164 +27751,190 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Node %p3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1466, i64 5, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1475, i64 5, i64 0 })
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load ptr, ptr %a1
-  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1467, i64 7, i64 0 })
+  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1476, i64 7, i64 0 })
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
   %t12 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1468, i64 13, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1477, i64 13, i64 0 }, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
   %t16 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t16, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1469, i64 2, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1478, i64 2, i64 0 }, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  %t21 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  %t22 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = call { ptr, i64, i64 } @finch.gen.op(ptr %t11, { ptr, i64, i64 } %t25)
-  store { ptr, i64, i64 } %t26, ptr %a27
-  %t28 = load ptr, ptr %a1
-  %t29 = load { ptr, i64, i64 }, ptr %a27
-  %t30 = load { ptr, i64, i64 }, ptr %a7
-  %t31 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.condBr(ptr %t28, { ptr, i64, i64 } %t29, { ptr, i64, i64 } %t30, { ptr, i64, i64 } %t31)
-  %t32 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t21, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  %t28 = call { ptr, i64, i64 } @finch.gen.op(ptr %t11, { ptr, i64, i64 } %t27)
+  store { ptr, i64, i64 } %t27, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a30
+  %t31 = load ptr, ptr %a1
+  %t32 = load { ptr, i64, i64 }, ptr %a30
   %t33 = load { ptr, i64, i64 }, ptr %a7
-  call void @finch.gen.label(ptr %t32, { ptr, i64, i64 } %t33)
-  %t34 = load ptr, ptr %a1
+  %t34 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.condBr(ptr %t31, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33, { ptr, i64, i64 } %t34)
   %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic2507, label %ok2508
-panic2507:
-  call void @finch_panic(ptr @.str.1470, i64 717, ptr @.str.1471)
+  %t36 = load { ptr, i64, i64 }, ptr %a7
+  call void @finch.gen.label(ptr %t35, { ptr, i64, i64 } %t36)
+  %t37 = load ptr, ptr %a1
+  %t38 = load ptr, ptr %a1
+  %t39 = icmp eq ptr %t38, null
+  br i1 %t39, label %panic2571, label %ok2572
+panic2571:
+  call void @finch_panic(ptr @.str.1479, i64 737, ptr @.str.1480)
   unreachable
-ok2508:
-  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 1
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 13
-  %t39 = load i64, ptr %t38
-  %t40 = load { ptr, i64, i64 }, ptr %t37
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = icmp uge i64 %t39, %t41
-  br i1 %t42, label %range2509, label %inrange2510
-range2509:
-  call void @finch_panic_index(ptr @.str.1472, i64 717, i64 %t39, i64 %t41)
+ok2572:
+  %t40 = getelementptr inbounds %S.gen.Gen, ptr %t38, i32 0, i32 1
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 13
+  %t42 = load i64, ptr %t41
+  %t43 = load { ptr, i64, i64 }, ptr %t40
+  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
+  %t45 = icmp uge i64 %t42, %t44
+  br i1 %t45, label %range2573, label %inrange2574
+range2573:
+  call void @finch_panic_index(ptr @.str.1481, i64 737, i64 %t42, i64 %t44)
   unreachable
-inrange2510:
-  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t39
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t34, { ptr, i64, i64 } %t45)
-  store { ptr, i64, i64 } %t46, ptr %a47
-  %t48 = load ptr, ptr %a1
-  %t49 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.1473, i64 33, i64 0 }, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t53, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.1474, i64 6, i64 0 }, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
-  %t59 = load i64, ptr %t58
-  call void @finch_str_from_int(ptr %a60, i64 %t59)
-  %t61 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t57, ptr %a63
-  store { ptr, i64, i64 } %t61, ptr %a64
-  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  store { ptr, i64, i64 } %t65, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.1475, i64 6, i64 0 }, ptr %a68
+inrange2574:
+  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
+  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t42
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  %t49 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t37, { ptr, i64, i64 } %t48)
+  store { ptr, i64, i64 } %t49, ptr %a50
+  %t51 = load ptr, ptr %a1
+  %t52 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.1482, i64 33, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a55
+  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a53
+  store { ptr, i64, i64 } %t56, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.1483, i64 6, i64 0 }, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
+  %t63 = load i64, ptr %t62
+  call void @finch_str_from_int(ptr %a64, i64 %t63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t61, ptr %a67
+  store { ptr, i64, i64 } %t65, ptr %a68
   call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  %t70 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t69, ptr %a72
-  store { ptr, i64, i64 } %t70, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t74, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.1476, i64 6, i64 0 }, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t78, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.1477, i64 1, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  call void @finch.gen.emit(ptr %t48, { ptr, i64, i64 } %t87)
-  %t88 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t88, { ptr, i64, i64 } { ptr @.str.1478, i64 11, i64 0 })
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic2511, label %ok2512
-panic2511:
-  call void @finch_panic(ptr @.str.1479, i64 720, ptr @.str.1480)
+  store { ptr, i64, i64 } %t61, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  store { ptr, i64, i64 } %t65, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a66
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.1484, i64 6, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  %t77 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t76, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t76, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t82, ptr %a84
+  store { ptr, i64, i64 } { ptr @.str.1485, i64 6, i64 0 }, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t82, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  %t88 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t87, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t87, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t93, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.1486, i64 1, i64 0 }, ptr %a96
+  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  call void @finch.gen.emit(ptr %t51, { ptr, i64, i64 } %t98)
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t100, { ptr, i64, i64 } { ptr @.str.1487, i64 11, i64 0 })
+  %t101 = load ptr, ptr %a1
+  %t102 = icmp eq ptr %t101, null
+  br i1 %t102, label %panic2575, label %ok2576
+panic2575:
+  call void @finch_panic(ptr @.str.1488, i64 740, ptr @.str.1489)
   unreachable
-ok2512:
-  %t91 = getelementptr inbounds %S.gen.Gen, ptr %t89, i32 0, i32 9
-  store i1 true, ptr %t91
-  %t92 = load ptr, ptr %a1
-  %t93 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.label(ptr %t92, { ptr, i64, i64 } %t93)
-  ret void
-}
-
-define internal void @finch.copy.S_gen_Saved(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Saved, ptr %src
-  store %S.gen.Saved %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Saved, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Saved, ptr %src, i32 0, i32 0
-  call void @finch.copy.arr_str(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Saved, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Saved, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_str(ptr %t4, ptr %t5)
+ok2576:
+  %t103 = getelementptr inbounds %S.gen.Gen, ptr %t101, i32 0, i32 9
+  store i1 true, ptr %t103
+  %t104 = load ptr, ptr %a1
+  %t105 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.label(ptr %t104, { ptr, i64, i64 } %t105)
+  call void @finch_str_drop(ptr %a50)
+  call void @finch_str_drop(ptr %a30)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a7)
   ret void
 }
 
@@ -24867,18 +27949,18 @@ entry:
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca %S.gen.Saved, align 16
-  %a60 = alloca %S.gen.Saved, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic2513, label %ok2514
-panic2513:
-  call void @finch_panic(ptr @.str.1481, i64 735, ptr @.str.1482)
+  br i1 %t3, label %panic2577, label %ok2578
+panic2577:
+  call void @finch_panic(ptr @.str.1490, i64 755, ptr @.str.1491)
   unreachable
-ok2514:
+ok2578:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 4
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
@@ -24887,11 +27969,11 @@ ok2514:
   %t9 = insertvalue %S.gen.Saved zeroinitializer, { ptr, i64, i64 } %t8, 0
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic2515, label %ok2516
-panic2515:
-  call void @finch_panic(ptr @.str.1483, i64 735, ptr @.str.1484)
+  br i1 %t11, label %panic2579, label %ok2580
+panic2579:
+  call void @finch_panic(ptr @.str.1492, i64 755, ptr @.str.1493)
   unreachable
-ok2516:
+ok2580:
   %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 5
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
@@ -24900,94 +27982,98 @@ ok2516:
   %t17 = insertvalue %S.gen.Saved %t9, { ptr, i64, i64 } %t16, 1
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic2517, label %ok2518
-panic2517:
-  call void @finch_panic(ptr @.str.1485, i64 735, ptr @.str.1486)
+  br i1 %t19, label %panic2581, label %ok2582
+panic2581:
+  call void @finch_panic(ptr @.str.1494, i64 755, ptr @.str.1495)
   unreachable
-ok2518:
+ok2582:
   %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 6
   %t21 = load i64, ptr %t20
   %t22 = insertvalue %S.gen.Saved %t17, i64 %t21, 2
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic2519, label %ok2520
-panic2519:
-  call void @finch_panic(ptr @.str.1487, i64 735, ptr @.str.1488)
+  br i1 %t24, label %panic2583, label %ok2584
+panic2583:
+  call void @finch_panic(ptr @.str.1496, i64 755, ptr @.str.1497)
   unreachable
-ok2520:
+ok2584:
   %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 9
   %t26 = load i1, ptr %t25
   %t27 = insertvalue %S.gen.Saved %t22, i1 %t26, 3
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2521, label %ok2522
-panic2521:
-  call void @finch_panic(ptr @.str.1489, i64 735, ptr @.str.1490)
+  br i1 %t29, label %panic2585, label %ok2586
+panic2585:
+  call void @finch_panic(ptr @.str.1498, i64 755, ptr @.str.1499)
   unreachable
-ok2522:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 34
+ok2586:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 35
   %t31 = load i64, ptr %t30
   %t32 = insertvalue %S.gen.Saved %t27, i64 %t31, 4
   store %S.gen.Saved %t32, ptr %a33
   %t34 = load ptr, ptr %a1
   %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic2523, label %ok2524
-panic2523:
-  call void @finch_panic(ptr @.str.1491, i64 736, ptr @.str.1492)
+  br i1 %t35, label %panic2587, label %ok2588
+panic2587:
+  call void @finch_panic(ptr @.str.1500, i64 756, ptr @.str.1501)
   unreachable
-ok2524:
-  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 34
+ok2588:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 35
   store i64 -1, ptr %t36
   store { ptr, i64, i64 } zeroinitializer, ptr %a37
   %t38 = load { ptr, i64, i64 }, ptr %a37
   %t39 = load ptr, ptr %a1
   %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic2525, label %ok2526
-panic2525:
-  call void @finch_panic(ptr @.str.1493, i64 738, ptr @.str.1494)
+  br i1 %t40, label %panic2589, label %ok2590
+panic2589:
+  call void @finch_panic(ptr @.str.1502, i64 758, ptr @.str.1503)
   unreachable
-ok2526:
+ok2590:
   %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 4
   store { ptr, i64, i64 } %t38, ptr %a42
   call void @finch.copy.arr_str(ptr %a43, ptr %a42)
   %t44 = load { ptr, i64, i64 }, ptr %a43
+  %t45 = load { ptr, i64, i64 }, ptr %t41
   store { ptr, i64, i64 } %t44, ptr %t41
-  %t45 = load { ptr, i64, i64 }, ptr %a37
-  %t46 = load ptr, ptr %a1
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic2527, label %ok2528
-panic2527:
-  call void @finch_panic(ptr @.str.1495, i64 739, ptr @.str.1496)
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch.drop.arr_str(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a37
+  %t48 = load ptr, ptr %a1
+  %t49 = icmp eq ptr %t48, null
+  br i1 %t49, label %panic2591, label %ok2592
+panic2591:
+  call void @finch_panic(ptr @.str.1504, i64 759, ptr @.str.1505)
   unreachable
-ok2528:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 5
-  store { ptr, i64, i64 } %t45, ptr %a49
-  call void @finch.copy.arr_str(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t51, ptr %t48
-  %t52 = load ptr, ptr %a1
-  %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic2529, label %ok2530
-panic2529:
-  call void @finch_panic(ptr @.str.1497, i64 740, ptr @.str.1498)
+ok2592:
+  %t50 = getelementptr inbounds %S.gen.Gen, ptr %t48, i32 0, i32 5
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch.copy.arr_str(ptr %a52, ptr %a51)
+  %t53 = load { ptr, i64, i64 }, ptr %a52
+  %t54 = load { ptr, i64, i64 }, ptr %t50
+  store { ptr, i64, i64 } %t53, ptr %t50
+  store { ptr, i64, i64 } %t54, ptr %a55
+  call void @finch.drop.arr_str(ptr %a55)
+  %t56 = load ptr, ptr %a1
+  %t57 = icmp eq ptr %t56, null
+  br i1 %t57, label %panic2593, label %ok2594
+panic2593:
+  call void @finch_panic(ptr @.str.1506, i64 760, ptr @.str.1507)
   unreachable
-ok2530:
-  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 6
-  store i64 0, ptr %t54
-  %t55 = load ptr, ptr %a1
-  %t56 = icmp eq ptr %t55, null
-  br i1 %t56, label %panic2531, label %ok2532
-panic2531:
-  call void @finch_panic(ptr @.str.1499, i64 741, ptr @.str.1500)
+ok2594:
+  %t58 = getelementptr inbounds %S.gen.Gen, ptr %t56, i32 0, i32 6
+  store i64 0, ptr %t58
+  %t59 = load ptr, ptr %a1
+  %t60 = icmp eq ptr %t59, null
+  br i1 %t60, label %panic2595, label %ok2596
+panic2595:
+  call void @finch_panic(ptr @.str.1508, i64 761, ptr @.str.1509)
   unreachable
-ok2532:
-  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 9
-  store i1 false, ptr %t57
-  %t58 = load %S.gen.Saved, ptr %a33
-  store %S.gen.Saved %t58, ptr %a59
-  call void @finch.copy.S_gen_Saved(ptr %a60, ptr %a59)
-  %t61 = load %S.gen.Saved, ptr %a60
-  ret %S.gen.Saved %t61
+ok2596:
+  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 9
+  store i1 false, ptr %t61
+  %t62 = load %S.gen.Saved, ptr %a33
+  call void @finch.drop.arr_str(ptr %a37)
+  ret %S.gen.Saved %t62
 }
 
 define internal void @finch.gen.endHelper(ptr %p0, %S.gen.Saved %p1, { ptr, i64, i64 } %p2) {
@@ -25003,146 +28089,172 @@ entry:
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.Saved %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2533, label %ok2534
-panic2533:
-  call void @finch_panic(ptr @.str.1501, i64 746, ptr @.str.1502)
+  br i1 %t5, label %panic2597, label %ok2598
+panic2597:
+  call void @finch_panic(ptr @.str.1510, i64 766, ptr @.str.1511)
   unreachable
-ok2534:
+ok2598:
   %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 3
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1503, i64 10, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1512, i64 10, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic2535, label %ok2536
-panic2535:
-  call void @finch_panic(ptr @.str.1504, i64 746, ptr @.str.1505)
+  br i1 %t14, label %panic2599, label %ok2600
+panic2599:
+  call void @finch_panic(ptr @.str.1513, i64 766, ptr @.str.1514)
   unreachable
-ok2536:
+ok2600:
   %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 5
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1506, i64 1, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1515, i64 1, i64 0 }, ptr %a17
   call void @finch_str_join(ptr %a18, ptr %t15, ptr %a17)
   %t19 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t12, ptr %a21
   store { ptr, i64, i64 } %t19, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1507, i64 1, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = load ptr, ptr %a1
-  %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2537, label %ok2538
-panic2537:
-  call void @finch_panic(ptr @.str.1508, i64 746, ptr @.str.1509)
+  store { ptr, i64, i64 } %t12, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  store { ptr, i64, i64 } %t19, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a20
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1516, i64 1, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  %t31 = load ptr, ptr %a1
+  %t32 = icmp eq ptr %t31, null
+  br i1 %t32, label %panic2601, label %ok2602
+panic2601:
+  call void @finch_panic(ptr @.str.1517, i64 766, ptr @.str.1518)
   unreachable
-ok2538:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 4
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1510, i64 1, i64 0 }, ptr %a32
-  call void @finch_str_join(ptr %a33, ptr %t30, ptr %a32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t27, ptr %a36
-  store { ptr, i64, i64 } %t34, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.1511, i64 3, i64 0 }, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load i64, ptr %t7
-  %t44 = add i64 %t43, 1
-  call void @finch_arr_reserve(ptr %t6, i64 %t44, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t45 = load ptr, ptr %t6
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t43
-  store { ptr, i64, i64 } %t42, ptr %t46
-  store i64 %t44, ptr %t7
-  %t47 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 0
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic2539, label %ok2540
-panic2539:
-  call void @finch_panic(ptr @.str.1512, i64 747, ptr @.str.1513)
+ok2602:
+  %t33 = getelementptr inbounds %S.gen.Gen, ptr %t31, i32 0, i32 4
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1519, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_join(ptr %a36, ptr %t33, ptr %a35)
+  %t37 = load { ptr, i64, i64 }, ptr %a36
+  store { ptr, i64, i64 } %t30, ptr %a39
+  store { ptr, i64, i64 } %t37, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t30, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  store { ptr, i64, i64 } %t37, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } %t43, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.1520, i64 3, i64 0 }, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  store { ptr, i64, i64 } %t43, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a44
+  %t49 = load i64, ptr %t7
+  %t50 = add i64 %t49, 1
+  call void @finch_arr_reserve(ptr %t6, i64 %t50, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t51 = load ptr, ptr %t6
+  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i64 %t49
+  store { ptr, i64, i64 } %t48, ptr %t52
+  store i64 %t50, ptr %t7
+  %t53 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 0
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  %t55 = load ptr, ptr %a1
+  %t56 = icmp eq ptr %t55, null
+  br i1 %t56, label %panic2603, label %ok2604
+panic2603:
+  call void @finch_panic(ptr @.str.1521, i64 767, ptr @.str.1522)
   unreachable
-ok2540:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 4
-  store { ptr, i64, i64 } %t48, ptr %a52
-  call void @finch.copy.arr_str(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t54, ptr %t51
-  %t55 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 1
-  %t56 = load { ptr, i64, i64 }, ptr %t55
-  %t57 = load ptr, ptr %a1
-  %t58 = icmp eq ptr %t57, null
-  br i1 %t58, label %panic2541, label %ok2542
-panic2541:
-  call void @finch_panic(ptr @.str.1514, i64 748, ptr @.str.1515)
-  unreachable
-ok2542:
-  %t59 = getelementptr inbounds %S.gen.Gen, ptr %t57, i32 0, i32 5
-  store { ptr, i64, i64 } %t56, ptr %a60
-  call void @finch.copy.arr_str(ptr %a61, ptr %a60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  store { ptr, i64, i64 } %t62, ptr %t59
-  %t63 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 2
-  %t64 = load i64, ptr %t63
+ok2604:
+  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 4
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch.copy.arr_str(ptr %a59, ptr %a58)
+  %t60 = load { ptr, i64, i64 }, ptr %a59
+  %t61 = load { ptr, i64, i64 }, ptr %t57
+  store { ptr, i64, i64 } %t60, ptr %t57
+  store { ptr, i64, i64 } %t61, ptr %a62
+  call void @finch.drop.arr_str(ptr %a62)
+  %t63 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 1
+  %t64 = load { ptr, i64, i64 }, ptr %t63
   %t65 = load ptr, ptr %a1
   %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic2543, label %ok2544
-panic2543:
-  call void @finch_panic(ptr @.str.1516, i64 749, ptr @.str.1517)
+  br i1 %t66, label %panic2605, label %ok2606
+panic2605:
+  call void @finch_panic(ptr @.str.1523, i64 768, ptr @.str.1524)
   unreachable
-ok2544:
-  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 6
-  store i64 %t64, ptr %t67
-  %t68 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 3
-  %t69 = load i1, ptr %t68
-  %t70 = load ptr, ptr %a1
-  %t71 = icmp eq ptr %t70, null
-  br i1 %t71, label %panic2545, label %ok2546
-panic2545:
-  call void @finch_panic(ptr @.str.1518, i64 750, ptr @.str.1519)
-  unreachable
-ok2546:
-  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 9
-  store i1 %t69, ptr %t72
-  %t73 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 4
+ok2606:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 5
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch.copy.arr_str(ptr %a69, ptr %a68)
+  %t70 = load { ptr, i64, i64 }, ptr %a69
+  %t71 = load { ptr, i64, i64 }, ptr %t67
+  store { ptr, i64, i64 } %t70, ptr %t67
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch.drop.arr_str(ptr %a72)
+  %t73 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 2
   %t74 = load i64, ptr %t73
   %t75 = load ptr, ptr %a1
   %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic2547, label %ok2548
-panic2547:
-  call void @finch_panic(ptr @.str.1520, i64 751, ptr @.str.1521)
+  br i1 %t76, label %panic2607, label %ok2608
+panic2607:
+  call void @finch_panic(ptr @.str.1525, i64 769, ptr @.str.1526)
   unreachable
-ok2548:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 34
+ok2608:
+  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 6
   store i64 %t74, ptr %t77
+  %t78 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 3
+  %t79 = load i1, ptr %t78
+  %t80 = load ptr, ptr %a1
+  %t81 = icmp eq ptr %t80, null
+  br i1 %t81, label %panic2609, label %ok2610
+panic2609:
+  call void @finch_panic(ptr @.str.1527, i64 770, ptr @.str.1528)
+  unreachable
+ok2610:
+  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 9
+  store i1 %t79, ptr %t82
+  %t83 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 4
+  %t84 = load i64, ptr %t83
+  %t85 = load ptr, ptr %a1
+  %t86 = icmp eq ptr %t85, null
+  br i1 %t86, label %panic2611, label %ok2612
+panic2611:
+  call void @finch_panic(ptr @.str.1529, i64 771, ptr @.str.1530)
+  unreachable
+ok2612:
+  %t87 = getelementptr inbounds %S.gen.Gen, ptr %t85, i32 0, i32 35
+  store i64 %t84, ptr %t87
   ret void
 }
 
@@ -25161,34 +28273,37 @@ entry:
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t3, { ptr, i64, i64 } { ptr @.str.1522, i64 3, i64 0 })
+  %t4 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t3, { ptr, i64, i64 } { ptr @.str.1531, i64 3, i64 0 })
   store { ptr, i64, i64 } %t4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = load { ptr, i64, i64 }, ptr %a5
-  call void @finch.gen.store(ptr %t6, { ptr, i64, i64 } { ptr @.str.1523, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1524, i64 1, i64 0 }, { ptr, i64, i64 } %t7)
+  call void @finch.gen.store(ptr %t6, { ptr, i64, i64 } { ptr @.str.1532, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1533, i64 1, i64 0 }, { ptr, i64, i64 } %t7)
   %t8 = load ptr, ptr %a1
-  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1525, i64 6, i64 0 })
+  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1534, i64 6, i64 0 })
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t11, { ptr, i64, i64 } { ptr @.str.1526, i64 6, i64 0 })
+  %t12 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t11, { ptr, i64, i64 } { ptr @.str.1535, i64 6, i64 0 })
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = load ptr, ptr %a1
-  %t15 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t14, { ptr, i64, i64 } { ptr @.str.1527, i64 5, i64 0 })
+  %t15 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t14, { ptr, i64, i64 } { ptr @.str.1536, i64 5, i64 0 })
   store { ptr, i64, i64 } %t15, ptr %a16
   %t17 = load ptr, ptr %a1
   %t18 = load { ptr, i64, i64 }, ptr %a10
@@ -25198,63 +28313,75 @@ entry:
   call void @finch.gen.label(ptr %t19, { ptr, i64, i64 } %t20)
   %t21 = load ptr, ptr %a1
   %t22 = load { ptr, i64, i64 }, ptr %a5
-  %t23 = call { ptr, i64, i64 } @finch.gen.load(ptr %t21, { ptr, i64, i64 } { ptr @.str.1528, i64 3, i64 0 }, { ptr, i64, i64 } %t22)
+  %t23 = call { ptr, i64, i64 } @finch.gen.load(ptr %t21, { ptr, i64, i64 } { ptr @.str.1537, i64 3, i64 0 }, { ptr, i64, i64 } %t22)
   store { ptr, i64, i64 } %t23, ptr %a24
   %t25 = load ptr, ptr %a1
   %t26 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.1529, i64 13, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.1538, i64 13, i64 0 }, ptr %a28
   store { ptr, i64, i64 } %t26, ptr %a29
   call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
   %t30 = load { ptr, i64, i64 }, ptr %a27
   store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.1530, i64 2, i64 0 }, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.1539, i64 2, i64 0 }, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t34, ptr %a37
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  %t36 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = call { ptr, i64, i64 } @finch.gen.op(ptr %t25, { ptr, i64, i64 } %t39)
-  store { ptr, i64, i64 } %t40, ptr %a41
-  %t42 = load ptr, ptr %a1
-  %t43 = load { ptr, i64, i64 }, ptr %a41
-  %t44 = load { ptr, i64, i64 }, ptr %a13
-  %t45 = load { ptr, i64, i64 }, ptr %a16
-  call void @finch.gen.condBr(ptr %t42, { ptr, i64, i64 } %t43, { ptr, i64, i64 } %t44, { ptr, i64, i64 } %t45)
-  %t46 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t36, ptr %a39
+  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
+  store { ptr, i64, i64 } %t35, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  %t42 = call { ptr, i64, i64 } @finch.gen.op(ptr %t25, { ptr, i64, i64 } %t41)
+  store { ptr, i64, i64 } %t41, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  store { ptr, i64, i64 } %t42, ptr %a44
+  %t45 = load ptr, ptr %a1
+  %t46 = load { ptr, i64, i64 }, ptr %a44
   %t47 = load { ptr, i64, i64 }, ptr %a13
-  call void @finch.gen.label(ptr %t46, { ptr, i64, i64 } %t47)
-  %t48 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t48, ptr %a49
-  call void @finch_str_copy(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  %t52 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t52, ptr %a53
-  call void @finch_str_copy(ptr %a54, ptr %a53)
-  %t55 = load { ptr, i64, i64 }, ptr %a54
-  %t56 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t56, ptr %a57
-  call void @finch_str_copy(ptr %a58, ptr %a57)
-  %t59 = load { ptr, i64, i64 }, ptr %a58
-  %t60 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  %t64 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t65 = call ptr @finch_alloc(i64 %t64)
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 0
-  store { ptr, i64, i64 } %t51, ptr %t66
-  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 1
-  store { ptr, i64, i64 } %t55, ptr %t67
-  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 2
-  store { ptr, i64, i64 } %t59, ptr %t68
-  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 3
-  store { ptr, i64, i64 } %t63, ptr %t69
-  %t70 = insertvalue { ptr, i64, i64 } undef, ptr %t65, 0
-  %t71 = insertvalue { ptr, i64, i64 } %t70, i64 4, 1
-  %t72 = insertvalue { ptr, i64, i64 } %t71, i64 4, 2
-  ret { ptr, i64, i64 } %t72
+  %t48 = load { ptr, i64, i64 }, ptr %a16
+  call void @finch.gen.condBr(ptr %t45, { ptr, i64, i64 } %t46, { ptr, i64, i64 } %t47, { ptr, i64, i64 } %t48)
+  %t49 = load ptr, ptr %a1
+  %t50 = load { ptr, i64, i64 }, ptr %a13
+  call void @finch.gen.label(ptr %t49, { ptr, i64, i64 } %t50)
+  %t51 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t51, ptr %a52
+  call void @finch_str_copy(ptr %a53, ptr %a52)
+  %t54 = load { ptr, i64, i64 }, ptr %a53
+  %t55 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_copy(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  %t59 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t59, ptr %a60
+  call void @finch_str_copy(ptr %a61, ptr %a60)
+  %t62 = load { ptr, i64, i64 }, ptr %a61
+  %t63 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_copy(ptr %a65, ptr %a64)
+  %t66 = load { ptr, i64, i64 }, ptr %a65
+  %t67 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t68 = call ptr @finch_alloc(i64 %t67)
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 0
+  store { ptr, i64, i64 } %t54, ptr %t69
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 1
+  store { ptr, i64, i64 } %t58, ptr %t70
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 2
+  store { ptr, i64, i64 } %t62, ptr %t71
+  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 3
+  store { ptr, i64, i64 } %t66, ptr %t72
+  %t73 = insertvalue { ptr, i64, i64 } undef, ptr %t68, 0
+  %t74 = insertvalue { ptr, i64, i64 } %t73, i64 4, 1
+  %t75 = insertvalue { ptr, i64, i64 } %t74, i64 4, 2
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a16)
+  call void @finch_str_drop(ptr %a13)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a5)
+  ret { ptr, i64, i64 } %t75
 }
 
 define internal void @finch.gen.loopEnd(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -25268,72 +28395,82 @@ entry:
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 0, %t5
-  br i1 %t6, label %range2549, label %inrange2550
-range2549:
-  call void @finch_panic_index(ptr @.str.1532, i64 771, i64 0, i64 %t5)
+  br i1 %t6, label %range2613, label %inrange2614
+range2613:
+  call void @finch_panic_index(ptr @.str.1541, i64 791, i64 0, i64 %t5)
   unreachable
-inrange2550:
+inrange2614:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i64 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
-  %t10 = call { ptr, i64, i64 } @finch.gen.load(ptr %t3, { ptr, i64, i64 } { ptr @.str.1531, i64 3, i64 0 }, { ptr, i64, i64 } %t9)
+  %t10 = call { ptr, i64, i64 } @finch.gen.load(ptr %t3, { ptr, i64, i64 } { ptr @.str.1540, i64 3, i64 0 }, { ptr, i64, i64 } %t9)
   store { ptr, i64, i64 } %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = load ptr, ptr %a1
   %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1534, i64 8, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1543, i64 8, i64 0 }, ptr %a16
   store { ptr, i64, i64 } %t14, ptr %a17
   call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
   %t18 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t18, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1535, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1544, i64 3, i64 0 }, ptr %a21
   call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  %t23 = call { ptr, i64, i64 } @finch.gen.op(ptr %t13, { ptr, i64, i64 } %t22)
-  %t24 = load { ptr, i64, i64 }, ptr %a2
-  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
-  %t26 = icmp uge i64 0, %t25
-  br i1 %t26, label %range2551, label %inrange2552
-range2551:
-  call void @finch_panic_index(ptr @.str.1536, i64 772, i64 0, i64 %t25)
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  %t24 = call { ptr, i64, i64 } @finch.gen.op(ptr %t13, { ptr, i64, i64 } %t23)
+  store { ptr, i64, i64 } %t23, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a2
+  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
+  %t28 = icmp uge i64 0, %t27
+  br i1 %t28, label %range2615, label %inrange2616
+range2615:
+  call void @finch_panic_index(ptr @.str.1545, i64 792, i64 0, i64 %t27)
   unreachable
-inrange2552:
-  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i64 0
-  %t29 = load { ptr, i64, i64 }, ptr %t28
-  call void @finch.gen.store(ptr %t12, { ptr, i64, i64 } { ptr @.str.1533, i64 3, i64 0 }, { ptr, i64, i64 } %t23, { ptr, i64, i64 } %t29)
-  %t30 = load ptr, ptr %a1
-  %t31 = load { ptr, i64, i64 }, ptr %a2
-  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
-  %t33 = icmp uge i64 1, %t32
-  br i1 %t33, label %range2553, label %inrange2554
-range2553:
-  call void @finch_panic_index(ptr @.str.1537, i64 773, i64 1, i64 %t32)
+inrange2616:
+  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 0
+  %t31 = load { ptr, i64, i64 }, ptr %t30
+  call void @finch.gen.store(ptr %t12, { ptr, i64, i64 } { ptr @.str.1542, i64 3, i64 0 }, { ptr, i64, i64 } %t24, { ptr, i64, i64 } %t31)
+  store { ptr, i64, i64 } %t24, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load ptr, ptr %a1
+  %t34 = load { ptr, i64, i64 }, ptr %a2
+  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
+  %t36 = icmp uge i64 1, %t35
+  br i1 %t36, label %range2617, label %inrange2618
+range2617:
+  call void @finch_panic_index(ptr @.str.1546, i64 793, i64 1, i64 %t35)
   unreachable
-inrange2554:
-  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i64 1
-  %t36 = load { ptr, i64, i64 }, ptr %t35
-  call void @finch.gen.br(ptr %t30, { ptr, i64, i64 } %t36)
-  %t37 = load ptr, ptr %a1
-  %t38 = load { ptr, i64, i64 }, ptr %a2
-  %t39 = extractvalue { ptr, i64, i64 } %t38, 1
-  %t40 = icmp uge i64 2, %t39
-  br i1 %t40, label %range2555, label %inrange2556
-range2555:
-  call void @finch_panic_index(ptr @.str.1538, i64 774, i64 2, i64 %t39)
+inrange2618:
+  %t37 = extractvalue { ptr, i64, i64 } %t34, 0
+  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 1
+  %t39 = load { ptr, i64, i64 }, ptr %t38
+  call void @finch.gen.br(ptr %t33, { ptr, i64, i64 } %t39)
+  %t40 = load ptr, ptr %a1
+  %t41 = load { ptr, i64, i64 }, ptr %a2
+  %t42 = extractvalue { ptr, i64, i64 } %t41, 1
+  %t43 = icmp uge i64 2, %t42
+  br i1 %t43, label %range2619, label %inrange2620
+range2619:
+  call void @finch_panic_index(ptr @.str.1547, i64 794, i64 2, i64 %t42)
   unreachable
-inrange2556:
-  %t41 = extractvalue { ptr, i64, i64 } %t38, 0
-  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i64 2
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  call void @finch.gen.label(ptr %t37, { ptr, i64, i64 } %t43)
+inrange2620:
+  %t44 = extractvalue { ptr, i64, i64 } %t41, 0
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 2
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  call void @finch.gen.label(ptr %t40, { ptr, i64, i64 } %t46)
+  call void @finch_str_drop(ptr %a11)
   ret void
 }
 
@@ -25351,36 +28488,50 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -25388,132 +28539,170 @@ entry:
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.1539, i64 3, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.1548, i64 3, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp ne i32 %t9, 0
-  br i1 %t10, label %then2557, label %else2558
-then2557:
+  br i1 %t10, label %then2621, label %else2622
+then2621:
   %t11 = load ptr, ptr %a1
   %t12 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1540, i64 30, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1549, i64 30, i64 0 }, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
   %t16 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t16, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1541, i64 6, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1550, i64 6, i64 0 }, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  %t21 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  %t22 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.1542, i64 1, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  call void @finch.gen.emit(ptr %t11, { ptr, i64, i64 } %t29)
-  br label %endif2559
-else2558:
-  %t30 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.1543, i64 5, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br label %logic.from2560
-logic.from2560:
-  br i1 %t35, label %logic.end2562, label %logic.rhs2561
-logic.rhs2561:
-  %t36 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
-  %t37 = load { ptr, i64, i64 }, ptr %t36
-  store { ptr, i64, i64 } %t37, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.1544, i64 3, i64 0 }, ptr %a39
-  %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
-  %t41 = icmp ne i32 %t40, 0
-  br label %logic.rend2563
-logic.rend2563:
-  br label %logic.end2562
-logic.end2562:
-  %t42 = phi i1 [ true, %logic.from2560 ], [ %t41, %logic.rend2563 ]
-  br label %logic.from2564
-logic.from2564:
-  br i1 %t42, label %logic.end2566, label %logic.rhs2565
-logic.rhs2565:
-  %t43 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.1545, i64 6, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br label %logic.from2567
-logic.from2567:
-  br i1 %t48, label %logic.rhs2568, label %logic.end2569
-logic.rhs2568:
-  %t49 = load ptr, ptr %a1
-  %t50 = load %S.ast.Type, ptr %a4
-  %t51 = call i1 @finch.gen.owning(ptr %t49, %S.ast.Type %t50)
-  br label %logic.rend2570
-logic.rend2570:
-  br label %logic.end2569
-logic.end2569:
-  %t52 = phi i1 [ false, %logic.from2567 ], [ %t51, %logic.rend2570 ]
-  br label %logic.rend2571
-logic.rend2571:
-  br label %logic.end2566
-logic.end2566:
-  %t53 = phi i1 [ true, %logic.from2564 ], [ %t52, %logic.rend2571 ]
-  br i1 %t53, label %then2572, label %else2573
-then2572:
-  %t54 = load ptr, ptr %a1
-  %t55 = load ptr, ptr %a1
-  %t56 = load %S.ast.Type, ptr %a4
-  %t57 = call { ptr, i64, i64 } @finch.gen.copyFn(ptr %t55, %S.ast.Type %t56)
-  store { ptr, i64, i64 } { ptr @.str.1546, i64 10, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t61, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1547, i64 5, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t21, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t27, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.1551, i64 1, i64 0 }, ptr %a30
+  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
+  store { ptr, i64, i64 } %t27, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  call void @finch.gen.emit(ptr %t11, { ptr, i64, i64 } %t32)
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  br label %endif2623
+else2622:
+  %t34 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.1552, i64 5, i64 0 }, ptr %a37
+  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
+  %t39 = icmp ne i32 %t38, 0
+  br label %logic.from2624
+logic.from2624:
+  br i1 %t39, label %logic.end2626, label %logic.rhs2625
+logic.rhs2625:
+  %t40 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1553, i64 3, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.rend2627
+logic.rend2627:
+  br label %logic.end2626
+logic.end2626:
+  %t46 = phi i1 [ true, %logic.from2624 ], [ %t45, %logic.rend2627 ]
+  br label %logic.from2628
+logic.from2628:
+  br i1 %t46, label %logic.end2630, label %logic.rhs2629
+logic.rhs2629:
+  %t47 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  store { ptr, i64, i64 } %t48, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.1554, i64 6, i64 0 }, ptr %a50
+  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
+  %t52 = icmp ne i32 %t51, 0
+  br label %logic.from2631
+logic.from2631:
+  br i1 %t52, label %logic.rhs2632, label %logic.end2633
+logic.rhs2632:
+  %t53 = load ptr, ptr %a1
+  %t54 = load %S.ast.Type, ptr %a4
+  %t55 = call i1 @finch.gen.owning(ptr %t53, %S.ast.Type %t54)
+  br label %logic.rend2634
+logic.rend2634:
+  br label %logic.end2633
+logic.end2633:
+  %t56 = phi i1 [ false, %logic.from2631 ], [ %t55, %logic.rend2634 ]
+  br label %logic.rend2635
+logic.rend2635:
+  br label %logic.end2630
+logic.end2630:
+  %t57 = phi i1 [ true, %logic.from2628 ], [ %t56, %logic.rend2635 ]
+  br i1 %t57, label %then2636, label %else2637
+then2636:
+  %t58 = load ptr, ptr %a1
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Type, ptr %a4
+  %t61 = call { ptr, i64, i64 } @finch.gen.copyFn(ptr %t59, %S.ast.Type %t60)
+  store { ptr, i64, i64 } { ptr @.str.1555, i64 10, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
   call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  %t66 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t65, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1556, i64 5, i64 0 }, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.1548, i64 6, i64 0 }, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t74, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.1549, i64 1, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  call void @finch.gen.emit(ptr %t54, { ptr, i64, i64 } %t83)
-  br label %endif2574
-else2573:
-  %t84 = load ptr, ptr %a1
-  %t85 = load ptr, ptr %a1
-  %t86 = load %S.ast.Type, ptr %a4
-  %t87 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t85, %S.ast.Type %t86)
-  %t88 = load ptr, ptr %a1
-  %t89 = load ptr, ptr %a1
-  %t90 = load %S.ast.Type, ptr %a4
-  %t91 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t89, %S.ast.Type %t90)
-  %t92 = load { ptr, i64, i64 }, ptr %a3
-  %t93 = call { ptr, i64, i64 } @finch.gen.load(ptr %t88, { ptr, i64, i64 } %t91, { ptr, i64, i64 } %t92)
-  %t94 = load { ptr, i64, i64 }, ptr %a2
-  call void @finch.gen.store(ptr %t84, { ptr, i64, i64 } %t87, { ptr, i64, i64 } %t93, { ptr, i64, i64 } %t94)
-  br label %endif2574
-endif2574:
-  br label %endif2559
-endif2559:
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t71, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.1557, i64 6, i64 0 }, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t82, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.1558, i64 1, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.emit(ptr %t58, { ptr, i64, i64 } %t93)
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  br label %endif2638
+else2637:
+  %t95 = load ptr, ptr %a1
+  %t96 = load ptr, ptr %a1
+  %t97 = load %S.ast.Type, ptr %a4
+  %t98 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t96, %S.ast.Type %t97)
+  %t99 = load ptr, ptr %a1
+  %t100 = load ptr, ptr %a1
+  %t101 = load %S.ast.Type, ptr %a4
+  %t102 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t100, %S.ast.Type %t101)
+  %t103 = load { ptr, i64, i64 }, ptr %a3
+  %t104 = call { ptr, i64, i64 } @finch.gen.load(ptr %t99, { ptr, i64, i64 } %t102, { ptr, i64, i64 } %t103)
+  store { ptr, i64, i64 } %t102, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a2
+  call void @finch.gen.store(ptr %t95, { ptr, i64, i64 } %t98, { ptr, i64, i64 } %t104, { ptr, i64, i64 } %t106)
+  store { ptr, i64, i64 } %t98, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  br label %endif2638
+endif2638:
+  br label %endif2623
+endif2623:
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Saved(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Saved, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Saved, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
   ret void
 }
 
@@ -25524,719 +28713,884 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca %S.gen.Saved, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca %S.ast.Type, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.ast.Type, align 16
+  %a47 = alloca %S.ast.Type, align 16
   %a49 = alloca %S.ast.Type, align 16
-  %a51 = alloca %S.ast.Type, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
   %a268 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca %S.gen.StructDef, align 16
-  %a330 = alloca %S.gen.StructDef, align 16
-  %a332 = alloca %S.gen.StructDef, align 16
-  %a336 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca i64, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca %S.gen.StructDef, align 16
+  %a365 = alloca %S.gen.StructDef, align 16
+  %a367 = alloca %S.gen.StructDef, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca i64, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
   %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a430 = alloca { ptr, i64, i64 }, align 16
   %a431 = alloca { ptr, i64, i64 }, align 16
   %a432 = alloca { ptr, i64, i64 }, align 16
   %a433 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load %S.ast.Type, ptr %a2
   %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
-  store { ptr, i64, i64 } { ptr @.str.1550, i64 12, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1559, i64 12, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
-  %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic2575, label %ok2576
-panic2575:
-  call void @finch_panic(ptr @.str.1551, i64 789, ptr @.str.1552)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic2639, label %ok2640
+panic2639:
+  call void @finch_panic(ptr @.str.1560, i64 809, ptr @.str.1561)
   unreachable
-ok2576:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 21
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  %t14 = load { ptr, i64, i64 }, ptr %a9
-  %t15 = call i1 @finch.gen.has({ ptr, i64, i64 } %t13, { ptr, i64, i64 } %t14)
-  br i1 %t15, label %then2577, label %endif2579
-then2577:
-  %t16 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  ret { ptr, i64, i64 } %t19
-endif2579:
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic2580, label %ok2581
-panic2580:
-  call void @finch_panic(ptr @.str.1553, i64 792, ptr @.str.1554)
+ok2640:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then2641, label %endif2643
+then2641:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif2643:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic2644, label %ok2645
+panic2644:
+  call void @finch_panic(ptr @.str.1562, i64 812, ptr @.str.1563)
   unreachable
-ok2581:
-  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 21
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  %t28 = load i64, ptr %t23
-  %t29 = add i64 %t28, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t30 = load ptr, ptr %t22
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
-  store { ptr, i64, i64 } %t27, ptr %t31
-  store i64 %t29, ptr %t23
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t32)
-  store %S.gen.Saved %t33, ptr %a34
-  %t35 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t36 = load { ptr, i64, i64 }, ptr %t35
-  store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1555, i64 5, i64 0 }, ptr %a38
-  %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
-  %t40 = icmp ne i32 %t39, 0
-  br i1 %t40, label %then2582, label %else2583
-then2582:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
-  %t44 = icmp uge i64 0, %t43
-  br i1 %t44, label %range2585, label %inrange2586
-range2585:
-  call void @finch_panic_index(ptr @.str.1556, i64 795, i64 0, i64 %t43)
+ok2645:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1564, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then2646, label %else2647
+then2646:
+  %t39 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
+  %t42 = icmp uge i64 0, %t41
+  br i1 %t42, label %range2649, label %inrange2650
+range2649:
+  call void @finch_panic_index(ptr @.str.1565, i64 815, i64 0, i64 %t41)
   unreachable
-inrange2586:
-  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
-  %t46 = getelementptr inbounds %S.ast.Type, ptr %t45, i64 0
-  %t47 = load %S.ast.Type, ptr %t46
-  store %S.ast.Type %t47, ptr %a48
-  call void @finch.copy.S_ast_Type(ptr %a49, ptr %a48)
-  %t50 = load %S.ast.Type, ptr %a49
-  store %S.ast.Type %t50, ptr %a51
-  %t52 = load ptr, ptr %a1
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Type, ptr %a51
-  %t55 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t53, %S.ast.Type %t54)
-  store { ptr, i64, i64 } { ptr @.str.1557, i64 55, i64 0 }, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.1558, i64 1, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.emit(ptr %t52, { ptr, i64, i64 } %t63)
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.ast.Type, ptr %a51
-  %t66 = call i1 @finch.gen.owning(ptr %t64, %S.ast.Type %t65)
-  br i1 %t66, label %then2587, label %endif2589
-then2587:
-  %t67 = load ptr, ptr %a1
-  %t68 = call { ptr, i64, i64 } @finch.gen.load(ptr %t67, { ptr, i64, i64 } { ptr @.str.1559, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1560, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t68, ptr %a69
-  %t70 = load ptr, ptr %a1
-  %t71 = call { ptr, i64, i64 } @finch.gen.load(ptr %t70, { ptr, i64, i64 } { ptr @.str.1561, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1562, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t71, ptr %a72
-  %t73 = load ptr, ptr %a1
+inrange2650:
+  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
+  %t44 = getelementptr inbounds %S.ast.Type, ptr %t43, i64 0
+  %t45 = load %S.ast.Type, ptr %t44
+  store %S.ast.Type %t45, ptr %a46
+  call void @finch.copy.S_ast_Type(ptr %a47, ptr %a46)
+  %t48 = load %S.ast.Type, ptr %a47
+  store %S.ast.Type %t48, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = load ptr, ptr %a1
+  %t52 = load %S.ast.Type, ptr %a49
+  %t53 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t51, %S.ast.Type %t52)
+  store { ptr, i64, i64 } { ptr @.str.1566, i64 55, i64 0 }, ptr %a55
+  store { ptr, i64, i64 } %t53, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t58, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.1567, i64 1, i64 0 }, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  call void @finch.gen.emit(ptr %t50, { ptr, i64, i64 } %t63)
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load ptr, ptr %a1
+  %t66 = load %S.ast.Type, ptr %a49
+  %t67 = call i1 @finch.gen.owning(ptr %t65, %S.ast.Type %t66)
+  br i1 %t67, label %then2651, label %endif2653
+then2651:
+  %t68 = load ptr, ptr %a1
+  %t69 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.1568, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1569, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t69, ptr %a70
+  %t71 = load ptr, ptr %a1
+  %t72 = call { ptr, i64, i64 } @finch.gen.load(ptr %t71, { ptr, i64, i64 } { ptr @.str.1570, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1571, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t72, ptr %a73
   %t74 = load ptr, ptr %a1
-  %t75 = call { ptr, i64, i64 } @finch.gen.op(ptr %t74, { ptr, i64, i64 } { ptr @.str.1564, i64 64, i64 0 })
-  %t76 = call { ptr, i64, i64 } @finch.gen.load(ptr %t73, { ptr, i64, i64 } { ptr @.str.1563, i64 3, i64 0 }, { ptr, i64, i64 } %t75)
-  store { ptr, i64, i64 } %t76, ptr %a77
-  %t78 = load ptr, ptr %a1
-  %t79 = load { ptr, i64, i64 }, ptr %a77
-  %t80 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t78, { ptr, i64, i64 } %t79)
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = load ptr, ptr %a1
-  %t84 = load %S.ast.Type, ptr %a51
-  %t85 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t83, %S.ast.Type %t84)
-  store { ptr, i64, i64 } { ptr @.str.1565, i64 23, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.1566, i64 6, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t93, ptr %a96
-  store { ptr, i64, i64 } %t94, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.1567, i64 6, i64 0 }, ptr %a101
+  %t75 = load ptr, ptr %a1
+  %t76 = call { ptr, i64, i64 } @finch.gen.op(ptr %t75, { ptr, i64, i64 } { ptr @.str.1573, i64 64, i64 0 })
+  %t77 = call { ptr, i64, i64 } @finch.gen.load(ptr %t74, { ptr, i64, i64 } { ptr @.str.1572, i64 3, i64 0 }, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  store { ptr, i64, i64 } %t77, ptr %a79
+  %t80 = load ptr, ptr %a1
+  %t81 = load { ptr, i64, i64 }, ptr %a79
+  %t82 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t80, { ptr, i64, i64 } %t81)
+  store { ptr, i64, i64 } %t82, ptr %a83
+  %t84 = load ptr, ptr %a1
+  %t85 = load ptr, ptr %a1
+  %t86 = load %S.ast.Type, ptr %a49
+  %t87 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t85, %S.ast.Type %t86)
+  store { ptr, i64, i64 } { ptr @.str.1574, i64 23, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.1575, i64 6, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t97, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
   call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  %t103 = load { ptr, i64, i64 }, ptr %a81
-  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
-  %t105 = icmp uge i64 3, %t104
-  br i1 %t105, label %range2590, label %inrange2591
-range2590:
-  call void @finch_panic_index(ptr @.str.1568, i64 802, i64 3, i64 %t104)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.1576, i64 6, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load { ptr, i64, i64 }, ptr %a83
+  %t110 = extractvalue { ptr, i64, i64 } %t109, 1
+  %t111 = icmp uge i64 3, %t110
+  br i1 %t111, label %range2654, label %inrange2655
+range2654:
+  call void @finch_panic_index(ptr @.str.1577, i64 822, i64 3, i64 %t110)
   unreachable
-inrange2591:
-  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i64 3
-  %t108 = load { ptr, i64, i64 }, ptr %t107
-  store { ptr, i64, i64 } %t102, ptr %a110
-  store { ptr, i64, i64 } %t108, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = call { ptr, i64, i64 } @finch.gen.op(ptr %t82, { ptr, i64, i64 } %t112)
-  store { ptr, i64, i64 } %t113, ptr %a114
-  %t115 = load ptr, ptr %a1
-  %t116 = load ptr, ptr %a1
-  %t117 = load %S.ast.Type, ptr %a51
-  %t118 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t116, %S.ast.Type %t117)
-  store { ptr, i64, i64 } { ptr @.str.1569, i64 23, i64 0 }, ptr %a120
-  store { ptr, i64, i64 } %t118, ptr %a121
-  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
-  %t122 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t122, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.1570, i64 6, i64 0 }, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  %t127 = load { ptr, i64, i64 }, ptr %a72
+inrange2655:
+  %t112 = extractvalue { ptr, i64, i64 } %t109, 0
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 3
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  store { ptr, i64, i64 } %t108, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t108, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = call { ptr, i64, i64 } @finch.gen.op(ptr %t84, { ptr, i64, i64 } %t119)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t120, ptr %a122
+  %t123 = load ptr, ptr %a1
+  %t124 = load ptr, ptr %a1
+  %t125 = load %S.ast.Type, ptr %a49
+  %t126 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t124, %S.ast.Type %t125)
+  store { ptr, i64, i64 } { ptr @.str.1578, i64 23, i64 0 }, ptr %a128
   store { ptr, i64, i64 } %t126, ptr %a129
-  store { ptr, i64, i64 } %t127, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
+  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
+  store { ptr, i64, i64 } %t126, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load { ptr, i64, i64 }, ptr %a127
   store { ptr, i64, i64 } %t131, ptr %a133
-  store { ptr, i64, i64 } { ptr @.str.1571, i64 6, i64 0 }, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.1579, i64 6, i64 0 }, ptr %a134
   call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  %t136 = load { ptr, i64, i64 }, ptr %a81
-  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
-  %t138 = icmp uge i64 3, %t137
-  br i1 %t138, label %range2592, label %inrange2593
-range2592:
-  call void @finch_panic_index(ptr @.str.1572, i64 803, i64 3, i64 %t137)
+  store { ptr, i64, i64 } %t131, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  %t137 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t136, ptr %a139
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t136, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  %t142 = load { ptr, i64, i64 }, ptr %a138
+  store { ptr, i64, i64 } %t142, ptr %a144
+  store { ptr, i64, i64 } { ptr @.str.1580, i64 6, i64 0 }, ptr %a145
+  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
+  store { ptr, i64, i64 } %t142, ptr %a146
+  call void @finch_str_drop(ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a143
+  %t148 = load { ptr, i64, i64 }, ptr %a83
+  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
+  %t150 = icmp uge i64 3, %t149
+  br i1 %t150, label %range2656, label %inrange2657
+range2656:
+  call void @finch_panic_index(ptr @.str.1581, i64 823, i64 3, i64 %t149)
   unreachable
-inrange2593:
-  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t139, i64 3
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t135, ptr %a143
-  store { ptr, i64, i64 } %t141, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  %t146 = call { ptr, i64, i64 } @finch.gen.op(ptr %t115, { ptr, i64, i64 } %t145)
-  store { ptr, i64, i64 } %t146, ptr %a147
-  %t148 = load ptr, ptr %a1
-  %t149 = load { ptr, i64, i64 }, ptr %a114
-  %t150 = load { ptr, i64, i64 }, ptr %a147
-  %t151 = load %S.ast.Type, ptr %a51
-  call void @finch.gen.copyAt(ptr %t148, { ptr, i64, i64 } %t149, { ptr, i64, i64 } %t150, %S.ast.Type %t151)
-  %t152 = load ptr, ptr %a1
-  %t153 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.loopEnd(ptr %t152, { ptr, i64, i64 } %t153)
-  br label %endif2589
-endif2589:
-  br label %endif2584
-else2583:
-  %t154 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t155 = load { ptr, i64, i64 }, ptr %t154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.1573, i64 3, i64 0 }, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br i1 %t159, label %then2594, label %else2595
-then2594:
-  %t160 = load ptr, ptr %a1
-  %t161 = load ptr, ptr %a1
-  %t162 = load %S.ast.Type, ptr %a2
-  %t163 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t161, %S.ast.Type %t162)
-  store { ptr, i64, i64 } { ptr @.str.1574, i64 55, i64 0 }, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  store { ptr, i64, i64 } { ptr @.str.1575, i64 1, i64 0 }, ptr %a170
-  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  call void @finch.gen.emit(ptr %t160, { ptr, i64, i64 } %t171)
-  %t172 = load ptr, ptr %a1
-  %t173 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t174 = load { ptr, i64, i64 }, ptr %t173
-  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
-  %t176 = icmp uge i64 0, %t175
-  br i1 %t176, label %range2597, label %inrange2598
-range2597:
-  call void @finch_panic_index(ptr @.str.1576, i64 809, i64 0, i64 %t175)
+inrange2657:
+  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i64 3
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  store { ptr, i64, i64 } %t147, ptr %a155
+  store { ptr, i64, i64 } %t153, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  store { ptr, i64, i64 } %t147, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a154
+  %t159 = call { ptr, i64, i64 } @finch.gen.op(ptr %t123, { ptr, i64, i64 } %t158)
+  store { ptr, i64, i64 } %t158, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  store { ptr, i64, i64 } %t159, ptr %a161
+  %t162 = load ptr, ptr %a1
+  %t163 = load { ptr, i64, i64 }, ptr %a122
+  %t164 = load { ptr, i64, i64 }, ptr %a161
+  %t165 = load %S.ast.Type, ptr %a49
+  call void @finch.gen.copyAt(ptr %t162, { ptr, i64, i64 } %t163, { ptr, i64, i64 } %t164, %S.ast.Type %t165)
+  %t166 = load ptr, ptr %a1
+  %t167 = load { ptr, i64, i64 }, ptr %a83
+  call void @finch.gen.loopEnd(ptr %t166, { ptr, i64, i64 } %t167)
+  call void @finch_str_drop(ptr %a161)
+  call void @finch_str_drop(ptr %a122)
+  call void @finch.drop.arr_str(ptr %a83)
+  call void @finch_str_drop(ptr %a79)
+  call void @finch_str_drop(ptr %a73)
+  call void @finch_str_drop(ptr %a70)
+  br label %endif2653
+endif2653:
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  br label %endif2648
+else2647:
+  %t168 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t169 = load { ptr, i64, i64 }, ptr %t168
+  store { ptr, i64, i64 } %t169, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.1582, i64 3, i64 0 }, ptr %a171
+  %t172 = call i32 @finch_str_eq(ptr %a170, ptr %a171)
+  %t173 = icmp ne i32 %t172, 0
+  br i1 %t173, label %then2658, label %else2659
+then2658:
+  %t174 = load ptr, ptr %a1
+  %t175 = load ptr, ptr %a1
+  %t176 = load %S.ast.Type, ptr %a2
+  %t177 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t175, %S.ast.Type %t176)
+  store { ptr, i64, i64 } { ptr @.str.1583, i64 55, i64 0 }, ptr %a179
+  store { ptr, i64, i64 } %t177, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  store { ptr, i64, i64 } %t177, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.1584, i64 1, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  call void @finch.gen.emit(ptr %t174, { ptr, i64, i64 } %t187)
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch_str_drop(ptr %a188)
+  %t189 = load ptr, ptr %a1
+  %t190 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t191 = load { ptr, i64, i64 }, ptr %t190
+  %t192 = extractvalue { ptr, i64, i64 } %t191, 1
+  %t193 = icmp uge i64 0, %t192
+  br i1 %t193, label %range2661, label %inrange2662
+range2661:
+  call void @finch_panic_index(ptr @.str.1585, i64 829, i64 0, i64 %t192)
   unreachable
-inrange2598:
-  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
-  %t178 = getelementptr inbounds %S.ast.Type, ptr %t177, i64 0
-  %t179 = load %S.ast.Type, ptr %t178
-  %t180 = call i1 @finch.gen.owning(ptr %t172, %S.ast.Type %t179)
-  br label %logic.from2599
-logic.from2599:
-  br i1 %t180, label %logic.end2601, label %logic.rhs2600
-logic.rhs2600:
-  %t181 = load ptr, ptr %a1
-  %t182 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t183 = load { ptr, i64, i64 }, ptr %t182
-  %t184 = extractvalue { ptr, i64, i64 } %t183, 1
-  %t185 = icmp uge i64 1, %t184
-  br i1 %t185, label %range2602, label %inrange2603
-range2602:
-  call void @finch_panic_index(ptr @.str.1577, i64 809, i64 1, i64 %t184)
+inrange2662:
+  %t194 = extractvalue { ptr, i64, i64 } %t191, 0
+  %t195 = getelementptr inbounds %S.ast.Type, ptr %t194, i64 0
+  %t196 = load %S.ast.Type, ptr %t195
+  %t197 = call i1 @finch.gen.owning(ptr %t189, %S.ast.Type %t196)
+  br label %logic.from2663
+logic.from2663:
+  br i1 %t197, label %logic.end2665, label %logic.rhs2664
+logic.rhs2664:
+  %t198 = load ptr, ptr %a1
+  %t199 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t200 = load { ptr, i64, i64 }, ptr %t199
+  %t201 = extractvalue { ptr, i64, i64 } %t200, 1
+  %t202 = icmp uge i64 1, %t201
+  br i1 %t202, label %range2666, label %inrange2667
+range2666:
+  call void @finch_panic_index(ptr @.str.1586, i64 829, i64 1, i64 %t201)
   unreachable
-inrange2603:
-  %t186 = extractvalue { ptr, i64, i64 } %t183, 0
-  %t187 = getelementptr inbounds %S.ast.Type, ptr %t186, i64 1
-  %t188 = load %S.ast.Type, ptr %t187
-  %t189 = call i1 @finch.gen.owning(ptr %t181, %S.ast.Type %t188)
-  br label %logic.rend2604
-logic.rend2604:
-  br label %logic.end2601
-logic.end2601:
-  %t190 = phi i1 [ true, %logic.from2599 ], [ %t189, %logic.rend2604 ]
-  br i1 %t190, label %then2605, label %endif2607
-then2605:
-  %t191 = load ptr, ptr %a1
-  %t192 = load ptr, ptr %a1
-  %t193 = load ptr, ptr %a1
-  %t194 = load %S.ast.Type, ptr %a2
-  %t195 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t193, %S.ast.Type %t194)
-  store { ptr, i64, i64 } { ptr @.str.1579, i64 23, i64 0 }, ptr %a197
-  store { ptr, i64, i64 } %t195, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.1580, i64 24, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  %t204 = call { ptr, i64, i64 } @finch.gen.op(ptr %t192, { ptr, i64, i64 } %t203)
-  %t205 = call { ptr, i64, i64 } @finch.gen.load(ptr %t191, { ptr, i64, i64 } { ptr @.str.1578, i64 3, i64 0 }, { ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } %t205, ptr %a206
-  %t207 = load ptr, ptr %a1
-  %t208 = load { ptr, i64, i64 }, ptr %a206
-  %t209 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t207, { ptr, i64, i64 } %t208)
-  store { ptr, i64, i64 } %t209, ptr %a210
-  %t211 = load ptr, ptr %a1
-  %t212 = load %S.ast.Type, ptr %a2
-  %t213 = load { ptr, i64, i64 }, ptr %a210
-  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
-  %t215 = icmp uge i64 3, %t214
-  br i1 %t215, label %range2608, label %inrange2609
-range2608:
-  call void @finch_panic_index(ptr @.str.1582, i64 813, i64 3, i64 %t214)
+inrange2667:
+  %t203 = extractvalue { ptr, i64, i64 } %t200, 0
+  %t204 = getelementptr inbounds %S.ast.Type, ptr %t203, i64 1
+  %t205 = load %S.ast.Type, ptr %t204
+  %t206 = call i1 @finch.gen.owning(ptr %t198, %S.ast.Type %t205)
+  br label %logic.rend2668
+logic.rend2668:
+  br label %logic.end2665
+logic.end2665:
+  %t207 = phi i1 [ true, %logic.from2663 ], [ %t206, %logic.rend2668 ]
+  br i1 %t207, label %then2669, label %endif2671
+then2669:
+  %t208 = load ptr, ptr %a1
+  %t209 = load ptr, ptr %a1
+  %t210 = load ptr, ptr %a1
+  %t211 = load %S.ast.Type, ptr %a2
+  %t212 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t210, %S.ast.Type %t211)
+  store { ptr, i64, i64 } { ptr @.str.1588, i64 23, i64 0 }, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t212, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  store { ptr, i64, i64 } %t217, ptr %a219
+  store { ptr, i64, i64 } { ptr @.str.1589, i64 24, i64 0 }, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t217, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a218
+  %t223 = call { ptr, i64, i64 } @finch.gen.op(ptr %t209, { ptr, i64, i64 } %t222)
+  store { ptr, i64, i64 } %t222, ptr %a224
+  call void @finch_str_drop(ptr %a224)
+  %t225 = call { ptr, i64, i64 } @finch.gen.load(ptr %t208, { ptr, i64, i64 } { ptr @.str.1587, i64 3, i64 0 }, { ptr, i64, i64 } %t223)
+  store { ptr, i64, i64 } %t223, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  store { ptr, i64, i64 } %t225, ptr %a227
+  %t228 = load ptr, ptr %a1
+  %t229 = load { ptr, i64, i64 }, ptr %a227
+  %t230 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t228, { ptr, i64, i64 } %t229)
+  store { ptr, i64, i64 } %t230, ptr %a231
+  %t232 = load ptr, ptr %a1
+  %t233 = load %S.ast.Type, ptr %a2
+  %t234 = load { ptr, i64, i64 }, ptr %a231
+  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
+  %t236 = icmp uge i64 3, %t235
+  br i1 %t236, label %range2672, label %inrange2673
+range2672:
+  call void @finch_panic_index(ptr @.str.1591, i64 833, i64 3, i64 %t235)
   unreachable
-inrange2609:
-  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
-  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i64 3
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  %t219 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t211, { ptr, i64, i64 } { ptr @.str.1581, i64 4, i64 0 }, %S.ast.Type %t212, { ptr, i64, i64 } %t218)
-  store { ptr, i64, i64 } %t219, ptr %a220
-  %t221 = load ptr, ptr %a1
-  %t222 = load %S.ast.Type, ptr %a2
-  %t223 = load { ptr, i64, i64 }, ptr %a210
-  %t224 = extractvalue { ptr, i64, i64 } %t223, 1
-  %t225 = icmp uge i64 3, %t224
-  br i1 %t225, label %range2610, label %inrange2611
-range2610:
-  call void @finch_panic_index(ptr @.str.1584, i64 814, i64 3, i64 %t224)
+inrange2673:
+  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
+  %t238 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 3
+  %t239 = load { ptr, i64, i64 }, ptr %t238
+  %t240 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t232, { ptr, i64, i64 } { ptr @.str.1590, i64 4, i64 0 }, %S.ast.Type %t233, { ptr, i64, i64 } %t239)
+  store { ptr, i64, i64 } %t240, ptr %a241
+  %t242 = load ptr, ptr %a1
+  %t243 = load %S.ast.Type, ptr %a2
+  %t244 = load { ptr, i64, i64 }, ptr %a231
+  %t245 = extractvalue { ptr, i64, i64 } %t244, 1
+  %t246 = icmp uge i64 3, %t245
+  br i1 %t246, label %range2674, label %inrange2675
+range2674:
+  call void @finch_panic_index(ptr @.str.1593, i64 834, i64 3, i64 %t245)
   unreachable
-inrange2611:
-  %t226 = extractvalue { ptr, i64, i64 } %t223, 0
-  %t227 = getelementptr inbounds { ptr, i64, i64 }, ptr %t226, i64 3
-  %t228 = load { ptr, i64, i64 }, ptr %t227
-  %t229 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t221, { ptr, i64, i64 } { ptr @.str.1583, i64 4, i64 0 }, %S.ast.Type %t222, { ptr, i64, i64 } %t228)
-  store { ptr, i64, i64 } %t229, ptr %a230
-  %t231 = load ptr, ptr %a1
-  %t232 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t231, { ptr, i64, i64 } { ptr @.str.1585, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t232, ptr %a233
-  %t234 = load ptr, ptr %a1
-  %t235 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t234, { ptr, i64, i64 } { ptr @.str.1586, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t235, ptr %a236
-  %t237 = load ptr, ptr %a1
-  %t238 = load ptr, ptr %a1
-  %t239 = load ptr, ptr %a1
-  %t240 = load ptr, ptr %a1
-  %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Type, ptr %a2
-  %t243 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t241, %S.ast.Type %t242)
-  store { ptr, i64, i64 } { ptr @.str.1589, i64 23, i64 0 }, ptr %a245
-  store { ptr, i64, i64 } %t243, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  store { ptr, i64, i64 } %t247, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.1590, i64 6, i64 0 }, ptr %a250
-  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  %t252 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t251, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.1591, i64 14, i64 0 }, ptr %a259
-  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
-  %t260 = load { ptr, i64, i64 }, ptr %a257
-  %t261 = call { ptr, i64, i64 } @finch.gen.op(ptr %t240, { ptr, i64, i64 } %t260)
-  %t262 = call { ptr, i64, i64 } @finch.gen.load(ptr %t239, { ptr, i64, i64 } { ptr @.str.1588, i64 3, i64 0 }, { ptr, i64, i64 } %t261)
-  store { ptr, i64, i64 } { ptr @.str.1587, i64 12, i64 0 }, ptr %a264
-  store { ptr, i64, i64 } %t262, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  store { ptr, i64, i64 } %t266, ptr %a268
-  store { ptr, i64, i64 } { ptr @.str.1592, i64 3, i64 0 }, ptr %a269
-  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
-  %t270 = load { ptr, i64, i64 }, ptr %a267
-  %t271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t238, { ptr, i64, i64 } %t270)
-  %t272 = load { ptr, i64, i64 }, ptr %a233
-  %t273 = load { ptr, i64, i64 }, ptr %a236
-  call void @finch.gen.condBr(ptr %t237, { ptr, i64, i64 } %t271, { ptr, i64, i64 } %t272, { ptr, i64, i64 } %t273)
-  %t274 = load ptr, ptr %a1
-  %t275 = load { ptr, i64, i64 }, ptr %a233
-  call void @finch.gen.label(ptr %t274, { ptr, i64, i64 } %t275)
-  %t276 = load ptr, ptr %a1
-  %t277 = load ptr, ptr %a1
-  %t278 = load { ptr, i64, i64 }, ptr %a230
-  %t279 = load %S.ast.Type, ptr %a2
-  %t280 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t277, { ptr, i64, i64 } %t278, %S.ast.Type %t279, i64 1)
-  %t281 = load ptr, ptr %a1
-  %t282 = load { ptr, i64, i64 }, ptr %a220
-  %t283 = load %S.ast.Type, ptr %a2
-  %t284 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t281, { ptr, i64, i64 } %t282, %S.ast.Type %t283, i64 1)
-  %t285 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 0, %t287
-  br i1 %t288, label %range2612, label %inrange2613
-range2612:
-  call void @finch_panic_index(ptr @.str.1593, i64 819, i64 0, i64 %t287)
-  unreachable
-inrange2613:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds %S.ast.Type, ptr %t289, i64 0
-  %t291 = load %S.ast.Type, ptr %t290
-  call void @finch.gen.copyAt(ptr %t276, { ptr, i64, i64 } %t280, { ptr, i64, i64 } %t284, %S.ast.Type %t291)
-  %t292 = load ptr, ptr %a1
-  %t293 = load ptr, ptr %a1
-  %t294 = load { ptr, i64, i64 }, ptr %a230
-  %t295 = load %S.ast.Type, ptr %a2
-  %t296 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t293, { ptr, i64, i64 } %t294, %S.ast.Type %t295, i64 2)
-  %t297 = load ptr, ptr %a1
-  %t298 = load { ptr, i64, i64 }, ptr %a220
-  %t299 = load %S.ast.Type, ptr %a2
-  %t300 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t297, { ptr, i64, i64 } %t298, %S.ast.Type %t299, i64 2)
-  %t301 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t302 = load { ptr, i64, i64 }, ptr %t301
-  %t303 = extractvalue { ptr, i64, i64 } %t302, 1
-  %t304 = icmp uge i64 1, %t303
-  br i1 %t304, label %range2614, label %inrange2615
-range2614:
-  call void @finch_panic_index(ptr @.str.1594, i64 820, i64 1, i64 %t303)
-  unreachable
-inrange2615:
-  %t305 = extractvalue { ptr, i64, i64 } %t302, 0
-  %t306 = getelementptr inbounds %S.ast.Type, ptr %t305, i64 1
-  %t307 = load %S.ast.Type, ptr %t306
-  call void @finch.gen.copyAt(ptr %t292, { ptr, i64, i64 } %t296, { ptr, i64, i64 } %t300, %S.ast.Type %t307)
+inrange2675:
+  %t247 = extractvalue { ptr, i64, i64 } %t244, 0
+  %t248 = getelementptr inbounds { ptr, i64, i64 }, ptr %t247, i64 3
+  %t249 = load { ptr, i64, i64 }, ptr %t248
+  %t250 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t242, { ptr, i64, i64 } { ptr @.str.1592, i64 4, i64 0 }, %S.ast.Type %t243, { ptr, i64, i64 } %t249)
+  store { ptr, i64, i64 } %t250, ptr %a251
+  %t252 = load ptr, ptr %a1
+  %t253 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t252, { ptr, i64, i64 } { ptr @.str.1594, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t253, ptr %a254
+  %t255 = load ptr, ptr %a1
+  %t256 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t255, { ptr, i64, i64 } { ptr @.str.1595, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t256, ptr %a257
+  %t258 = load ptr, ptr %a1
+  %t259 = load ptr, ptr %a1
+  %t260 = load ptr, ptr %a1
+  %t261 = load ptr, ptr %a1
+  %t262 = load ptr, ptr %a1
+  %t263 = load %S.ast.Type, ptr %a2
+  %t264 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t262, %S.ast.Type %t263)
+  store { ptr, i64, i64 } { ptr @.str.1598, i64 23, i64 0 }, ptr %a266
+  store { ptr, i64, i64 } %t264, ptr %a267
+  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
+  store { ptr, i64, i64 } %t264, ptr %a268
+  call void @finch_str_drop(ptr %a268)
+  %t269 = load { ptr, i64, i64 }, ptr %a265
+  store { ptr, i64, i64 } %t269, ptr %a271
+  store { ptr, i64, i64 } { ptr @.str.1599, i64 6, i64 0 }, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t269, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  %t275 = load { ptr, i64, i64 }, ptr %a241
+  store { ptr, i64, i64 } %t274, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  store { ptr, i64, i64 } %t274, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  %t280 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t280, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.1600, i64 14, i64 0 }, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t280, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
+  %t286 = call { ptr, i64, i64 } @finch.gen.op(ptr %t261, { ptr, i64, i64 } %t285)
+  store { ptr, i64, i64 } %t285, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = call { ptr, i64, i64 } @finch.gen.load(ptr %t260, { ptr, i64, i64 } { ptr @.str.1597, i64 3, i64 0 }, { ptr, i64, i64 } %t286)
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  store { ptr, i64, i64 } { ptr @.str.1596, i64 12, i64 0 }, ptr %a291
+  store { ptr, i64, i64 } %t288, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  store { ptr, i64, i64 } %t288, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load { ptr, i64, i64 }, ptr %a290
+  store { ptr, i64, i64 } %t294, ptr %a296
+  store { ptr, i64, i64 } { ptr @.str.1601, i64 3, i64 0 }, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  store { ptr, i64, i64 } %t294, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a295
+  %t300 = call { ptr, i64, i64 } @finch.gen.op(ptr %t259, { ptr, i64, i64 } %t299)
+  store { ptr, i64, i64 } %t299, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a254
+  %t303 = load { ptr, i64, i64 }, ptr %a257
+  call void @finch.gen.condBr(ptr %t258, { ptr, i64, i64 } %t300, { ptr, i64, i64 } %t302, { ptr, i64, i64 } %t303)
+  store { ptr, i64, i64 } %t300, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load ptr, ptr %a1
+  %t306 = load { ptr, i64, i64 }, ptr %a254
+  call void @finch.gen.label(ptr %t305, { ptr, i64, i64 } %t306)
+  %t307 = load ptr, ptr %a1
   %t308 = load ptr, ptr %a1
-  %t309 = load { ptr, i64, i64 }, ptr %a236
-  call void @finch.gen.br(ptr %t308, { ptr, i64, i64 } %t309)
-  %t310 = load ptr, ptr %a1
-  %t311 = load { ptr, i64, i64 }, ptr %a236
-  call void @finch.gen.label(ptr %t310, { ptr, i64, i64 } %t311)
+  %t309 = load { ptr, i64, i64 }, ptr %a251
+  %t310 = load %S.ast.Type, ptr %a2
+  %t311 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t308, { ptr, i64, i64 } %t309, %S.ast.Type %t310, i64 1)
   %t312 = load ptr, ptr %a1
-  %t313 = load { ptr, i64, i64 }, ptr %a210
-  call void @finch.gen.loopEnd(ptr %t312, { ptr, i64, i64 } %t313)
-  br label %endif2607
-endif2607:
-  br label %endif2596
-else2595:
-  %t314 = load ptr, ptr %a1
-  %t315 = icmp eq ptr %t314, null
-  br i1 %t315, label %panic2616, label %ok2617
-panic2616:
-  call void @finch_panic(ptr @.str.1595, i64 826, ptr @.str.1596)
+  %t313 = load { ptr, i64, i64 }, ptr %a241
+  %t314 = load %S.ast.Type, ptr %a2
+  %t315 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t312, { ptr, i64, i64 } %t313, %S.ast.Type %t314, i64 1)
+  %t316 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t317 = load { ptr, i64, i64 }, ptr %t316
+  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
+  %t319 = icmp uge i64 0, %t318
+  br i1 %t319, label %range2676, label %inrange2677
+range2676:
+  call void @finch_panic_index(ptr @.str.1602, i64 839, i64 0, i64 %t318)
   unreachable
-ok2617:
-  %t316 = getelementptr inbounds %S.gen.Gen, ptr %t314, i32 0, i32 15
-  %t317 = load ptr, ptr %a1
-  %t318 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t319 = load { ptr, i64, i64 }, ptr %t318
-  %t320 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t321 = load { ptr, i64, i64 }, ptr %t320
-  %t322 = call i64 @finch.gen.findStruct(ptr %t317, { ptr, i64, i64 } %t319, { ptr, i64, i64 } %t321)
-  %t323 = load { ptr, i64, i64 }, ptr %t316
-  %t324 = extractvalue { ptr, i64, i64 } %t323, 1
-  %t325 = icmp uge i64 %t322, %t324
-  br i1 %t325, label %range2618, label %inrange2619
-range2618:
-  call void @finch_panic_index(ptr @.str.1597, i64 826, i64 %t322, i64 %t324)
+inrange2677:
+  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
+  %t321 = getelementptr inbounds %S.ast.Type, ptr %t320, i64 0
+  %t322 = load %S.ast.Type, ptr %t321
+  call void @finch.gen.copyAt(ptr %t307, { ptr, i64, i64 } %t311, { ptr, i64, i64 } %t315, %S.ast.Type %t322)
+  store { ptr, i64, i64 } %t311, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  store { ptr, i64, i64 } %t315, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  %t325 = load ptr, ptr %a1
+  %t326 = load ptr, ptr %a1
+  %t327 = load { ptr, i64, i64 }, ptr %a251
+  %t328 = load %S.ast.Type, ptr %a2
+  %t329 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t326, { ptr, i64, i64 } %t327, %S.ast.Type %t328, i64 2)
+  %t330 = load ptr, ptr %a1
+  %t331 = load { ptr, i64, i64 }, ptr %a241
+  %t332 = load %S.ast.Type, ptr %a2
+  %t333 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t330, { ptr, i64, i64 } %t331, %S.ast.Type %t332, i64 2)
+  %t334 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  %t336 = extractvalue { ptr, i64, i64 } %t335, 1
+  %t337 = icmp uge i64 1, %t336
+  br i1 %t337, label %range2678, label %inrange2679
+range2678:
+  call void @finch_panic_index(ptr @.str.1603, i64 840, i64 1, i64 %t336)
   unreachable
-inrange2619:
-  %t326 = extractvalue { ptr, i64, i64 } %t323, 0
-  %t327 = getelementptr inbounds %S.gen.StructDef, ptr %t326, i64 %t322
-  %t328 = load %S.gen.StructDef, ptr %t327
-  store %S.gen.StructDef %t328, ptr %a329
-  call void @finch.copy.S_gen_StructDef(ptr %a330, ptr %a329)
-  %t331 = load %S.gen.StructDef, ptr %a330
-  store %S.gen.StructDef %t331, ptr %a332
-  %t333 = load ptr, ptr %a1
-  %t334 = load %S.ast.Type, ptr %a2
-  %t335 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t333, %S.ast.Type %t334)
-  store { ptr, i64, i64 } %t335, ptr %a336
-  %t337 = load ptr, ptr %a1
-  %t338 = load { ptr, i64, i64 }, ptr %a336
-  %t339 = load ptr, ptr %a1
-  %t340 = load { ptr, i64, i64 }, ptr %a336
-  %t341 = call { ptr, i64, i64 } @finch.gen.load(ptr %t339, { ptr, i64, i64 } %t340, { ptr, i64, i64 } { ptr @.str.1598, i64 4, i64 0 })
-  call void @finch.gen.store(ptr %t337, { ptr, i64, i64 } %t338, { ptr, i64, i64 } %t341, { ptr, i64, i64 } { ptr @.str.1599, i64 4, i64 0 })
-  %t342 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 12
-  %t343 = getelementptr inbounds { ptr, i64, i64 }, ptr %t342, i32 0, i32 1
-  %t344 = load i64, ptr %t343
-  store i64 0, ptr %a345
-  br label %for.cond2620
-for.cond2620:
-  %t346 = load i64, ptr %a345
-  %t347 = icmp slt i64 %t346, %t344
-  br i1 %t347, label %for.body2621, label %for.end2623
-for.body2621:
-  %t348 = load ptr, ptr %a1
-  %t349 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 12
-  %t350 = load i64, ptr %a345
-  %t351 = load { ptr, i64, i64 }, ptr %t349
-  %t352 = extractvalue { ptr, i64, i64 } %t351, 1
-  %t353 = icmp uge i64 %t350, %t352
-  br i1 %t353, label %range2624, label %inrange2625
-range2624:
-  call void @finch_panic_index(ptr @.str.1600, i64 830, i64 %t350, i64 %t352)
+inrange2679:
+  %t338 = extractvalue { ptr, i64, i64 } %t335, 0
+  %t339 = getelementptr inbounds %S.ast.Type, ptr %t338, i64 1
+  %t340 = load %S.ast.Type, ptr %t339
+  call void @finch.gen.copyAt(ptr %t325, { ptr, i64, i64 } %t329, { ptr, i64, i64 } %t333, %S.ast.Type %t340)
+  store { ptr, i64, i64 } %t329, ptr %a341
+  call void @finch_str_drop(ptr %a341)
+  store { ptr, i64, i64 } %t333, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load ptr, ptr %a1
+  %t344 = load { ptr, i64, i64 }, ptr %a257
+  call void @finch.gen.br(ptr %t343, { ptr, i64, i64 } %t344)
+  %t345 = load ptr, ptr %a1
+  %t346 = load { ptr, i64, i64 }, ptr %a257
+  call void @finch.gen.label(ptr %t345, { ptr, i64, i64 } %t346)
+  %t347 = load ptr, ptr %a1
+  %t348 = load { ptr, i64, i64 }, ptr %a231
+  call void @finch.gen.loopEnd(ptr %t347, { ptr, i64, i64 } %t348)
+  call void @finch_str_drop(ptr %a257)
+  call void @finch_str_drop(ptr %a254)
+  call void @finch_str_drop(ptr %a251)
+  call void @finch_str_drop(ptr %a241)
+  call void @finch.drop.arr_str(ptr %a231)
+  call void @finch_str_drop(ptr %a227)
+  br label %endif2671
+endif2671:
+  br label %endif2660
+else2659:
+  %t349 = load ptr, ptr %a1
+  %t350 = icmp eq ptr %t349, null
+  br i1 %t350, label %panic2680, label %ok2681
+panic2680:
+  call void @finch_panic(ptr @.str.1604, i64 846, ptr @.str.1605)
   unreachable
-inrange2625:
-  %t354 = extractvalue { ptr, i64, i64 } %t351, 0
-  %t355 = getelementptr inbounds %S.ast.Type, ptr %t354, i64 %t350
-  %t356 = load %S.ast.Type, ptr %t355
-  %t357 = call i1 @finch.gen.owning(ptr %t348, %S.ast.Type %t356)
-  br i1 %t357, label %then2626, label %endif2628
-then2626:
-  %t358 = load ptr, ptr %a1
-  %t359 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } { ptr @.str.1601, i64 23, i64 0 }, ptr %a361
-  store { ptr, i64, i64 } %t359, ptr %a362
-  call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.1602, i64 23, i64 0 }, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  %t368 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 3
-  %t369 = load i64, ptr %a345
-  %t370 = load { ptr, i64, i64 }, ptr %t368
-  %t371 = extractvalue { ptr, i64, i64 } %t370, 1
-  %t372 = icmp uge i64 %t369, %t371
-  br i1 %t372, label %range2629, label %inrange2630
-range2629:
-  call void @finch_panic_index(ptr @.str.1603, i64 831, i64 %t369, i64 %t371)
+ok2681:
+  %t351 = getelementptr inbounds %S.gen.Gen, ptr %t349, i32 0, i32 16
+  %t352 = load ptr, ptr %a1
+  %t353 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t354 = load { ptr, i64, i64 }, ptr %t353
+  %t355 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t356 = load { ptr, i64, i64 }, ptr %t355
+  %t357 = call i64 @finch.gen.findStruct(ptr %t352, { ptr, i64, i64 } %t354, { ptr, i64, i64 } %t356)
+  %t358 = load { ptr, i64, i64 }, ptr %t351
+  %t359 = extractvalue { ptr, i64, i64 } %t358, 1
+  %t360 = icmp uge i64 %t357, %t359
+  br i1 %t360, label %range2682, label %inrange2683
+range2682:
+  call void @finch_panic_index(ptr @.str.1606, i64 846, i64 %t357, i64 %t359)
   unreachable
-inrange2630:
-  %t373 = extractvalue { ptr, i64, i64 } %t370, 0
-  %t374 = getelementptr inbounds i64, ptr %t373, i64 %t369
-  %t375 = load i64, ptr %t374
-  call void @finch_str_from_int(ptr %a376, i64 %t375)
-  %t377 = load { ptr, i64, i64 }, ptr %a376
-  store { ptr, i64, i64 } %t367, ptr %a379
-  store { ptr, i64, i64 } %t377, ptr %a380
-  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
-  %t381 = load { ptr, i64, i64 }, ptr %a378
-  %t382 = call { ptr, i64, i64 } @finch.gen.op(ptr %t358, { ptr, i64, i64 } %t381)
-  store { ptr, i64, i64 } %t382, ptr %a383
+inrange2683:
+  %t361 = extractvalue { ptr, i64, i64 } %t358, 0
+  %t362 = getelementptr inbounds %S.gen.StructDef, ptr %t361, i64 %t357
+  %t363 = load %S.gen.StructDef, ptr %t362
+  store %S.gen.StructDef %t363, ptr %a364
+  call void @finch.copy.S_gen_StructDef(ptr %a365, ptr %a364)
+  %t366 = load %S.gen.StructDef, ptr %a365
+  store %S.gen.StructDef %t366, ptr %a367
+  %t368 = load ptr, ptr %a1
+  %t369 = load %S.ast.Type, ptr %a2
+  %t370 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t368, %S.ast.Type %t369)
+  store { ptr, i64, i64 } %t370, ptr %a371
+  %t372 = load ptr, ptr %a1
+  %t373 = load { ptr, i64, i64 }, ptr %a371
+  %t374 = load ptr, ptr %a1
+  %t375 = load { ptr, i64, i64 }, ptr %a371
+  %t376 = call { ptr, i64, i64 } @finch.gen.load(ptr %t374, { ptr, i64, i64 } %t375, { ptr, i64, i64 } { ptr @.str.1607, i64 4, i64 0 })
+  call void @finch.gen.store(ptr %t372, { ptr, i64, i64 } %t373, { ptr, i64, i64 } %t376, { ptr, i64, i64 } { ptr @.str.1608, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t376, ptr %a377
+  call void @finch_str_drop(ptr %a377)
+  %t378 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 12
+  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i32 0, i32 1
+  %t380 = load i64, ptr %t379
+  store i64 0, ptr %a381
+  br label %for.cond2684
+for.cond2684:
+  %t382 = load i64, ptr %a381
+  %t383 = icmp slt i64 %t382, %t380
+  br i1 %t383, label %for.body2685, label %for.end2687
+for.body2685:
   %t384 = load ptr, ptr %a1
-  %t385 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } { ptr @.str.1604, i64 23, i64 0 }, ptr %a387
-  store { ptr, i64, i64 } %t385, ptr %a388
-  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
-  %t389 = load { ptr, i64, i64 }, ptr %a386
-  store { ptr, i64, i64 } %t389, ptr %a391
-  store { ptr, i64, i64 } { ptr @.str.1605, i64 23, i64 0 }, ptr %a392
-  call void @finch_str_concat(ptr %a390, ptr %a391, ptr %a392)
-  %t393 = load { ptr, i64, i64 }, ptr %a390
-  %t394 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 3
-  %t395 = load i64, ptr %a345
-  %t396 = load { ptr, i64, i64 }, ptr %t394
-  %t397 = extractvalue { ptr, i64, i64 } %t396, 1
-  %t398 = icmp uge i64 %t395, %t397
-  br i1 %t398, label %range2631, label %inrange2632
-range2631:
-  call void @finch_panic_index(ptr @.str.1606, i64 832, i64 %t395, i64 %t397)
+  %t385 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 12
+  %t386 = load i64, ptr %a381
+  %t387 = load { ptr, i64, i64 }, ptr %t385
+  %t388 = extractvalue { ptr, i64, i64 } %t387, 1
+  %t389 = icmp uge i64 %t386, %t388
+  br i1 %t389, label %range2688, label %inrange2689
+range2688:
+  call void @finch_panic_index(ptr @.str.1609, i64 850, i64 %t386, i64 %t388)
   unreachable
-inrange2632:
-  %t399 = extractvalue { ptr, i64, i64 } %t396, 0
-  %t400 = getelementptr inbounds i64, ptr %t399, i64 %t395
-  %t401 = load i64, ptr %t400
-  call void @finch_str_from_int(ptr %a402, i64 %t401)
-  %t403 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t393, ptr %a405
-  store { ptr, i64, i64 } %t403, ptr %a406
-  call void @finch_str_concat(ptr %a404, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  %t408 = call { ptr, i64, i64 } @finch.gen.op(ptr %t384, { ptr, i64, i64 } %t407)
-  store { ptr, i64, i64 } %t408, ptr %a409
-  %t410 = load ptr, ptr %a1
-  %t411 = load { ptr, i64, i64 }, ptr %a383
-  %t412 = load { ptr, i64, i64 }, ptr %a409
-  %t413 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 12
-  %t414 = load i64, ptr %a345
-  %t415 = load { ptr, i64, i64 }, ptr %t413
-  %t416 = extractvalue { ptr, i64, i64 } %t415, 1
-  %t417 = icmp uge i64 %t414, %t416
-  br i1 %t417, label %range2633, label %inrange2634
-range2633:
-  call void @finch_panic_index(ptr @.str.1607, i64 833, i64 %t414, i64 %t416)
+inrange2689:
+  %t390 = extractvalue { ptr, i64, i64 } %t387, 0
+  %t391 = getelementptr inbounds %S.ast.Type, ptr %t390, i64 %t386
+  %t392 = load %S.ast.Type, ptr %t391
+  %t393 = call i1 @finch.gen.owning(ptr %t384, %S.ast.Type %t392)
+  br i1 %t393, label %then2690, label %endif2692
+then2690:
+  %t394 = load ptr, ptr %a1
+  %t395 = load { ptr, i64, i64 }, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1610, i64 23, i64 0 }, ptr %a397
+  store { ptr, i64, i64 } %t395, ptr %a398
+  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a396
+  store { ptr, i64, i64 } %t399, ptr %a401
+  store { ptr, i64, i64 } { ptr @.str.1611, i64 23, i64 0 }, ptr %a402
+  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
+  store { ptr, i64, i64 } %t399, ptr %a403
+  call void @finch_str_drop(ptr %a403)
+  %t404 = load { ptr, i64, i64 }, ptr %a400
+  %t405 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 3
+  %t406 = load i64, ptr %a381
+  %t407 = load { ptr, i64, i64 }, ptr %t405
+  %t408 = extractvalue { ptr, i64, i64 } %t407, 1
+  %t409 = icmp uge i64 %t406, %t408
+  br i1 %t409, label %range2693, label %inrange2694
+range2693:
+  call void @finch_panic_index(ptr @.str.1612, i64 851, i64 %t406, i64 %t408)
   unreachable
-inrange2634:
-  %t418 = extractvalue { ptr, i64, i64 } %t415, 0
-  %t419 = getelementptr inbounds %S.ast.Type, ptr %t418, i64 %t414
-  %t420 = load %S.ast.Type, ptr %t419
-  call void @finch.gen.copyAt(ptr %t410, { ptr, i64, i64 } %t411, { ptr, i64, i64 } %t412, %S.ast.Type %t420)
-  br label %endif2628
-endif2628:
-  br label %for.step2622
-for.step2622:
-  %t421 = load i64, ptr %a345
-  %t422 = add i64 %t421, 1
-  store i64 %t422, ptr %a345
-  br label %for.cond2620
-for.end2623:
-  br label %endif2596
-endif2596:
-  br label %endif2584
-endif2584:
-  %t423 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t423, { ptr, i64, i64 } { ptr @.str.1608, i64 8, i64 0 })
+inrange2694:
+  %t410 = extractvalue { ptr, i64, i64 } %t407, 0
+  %t411 = getelementptr inbounds i64, ptr %t410, i64 %t406
+  %t412 = load i64, ptr %t411
+  call void @finch_str_from_int(ptr %a413, i64 %t412)
+  %t414 = load { ptr, i64, i64 }, ptr %a413
+  store { ptr, i64, i64 } %t404, ptr %a416
+  store { ptr, i64, i64 } %t414, ptr %a417
+  call void @finch_str_concat(ptr %a415, ptr %a416, ptr %a417)
+  store { ptr, i64, i64 } %t404, ptr %a418
+  call void @finch_str_drop(ptr %a418)
+  store { ptr, i64, i64 } %t414, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a415
+  %t421 = call { ptr, i64, i64 } @finch.gen.op(ptr %t394, { ptr, i64, i64 } %t420)
+  store { ptr, i64, i64 } %t420, ptr %a422
+  call void @finch_str_drop(ptr %a422)
+  store { ptr, i64, i64 } %t421, ptr %a423
   %t424 = load ptr, ptr %a1
-  %t425 = load %S.gen.Saved, ptr %a34
-  %t426 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1609, i64 21, i64 0 }, ptr %a428
-  store { ptr, i64, i64 } %t426, ptr %a429
-  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
-  %t430 = load { ptr, i64, i64 }, ptr %a427
-  store { ptr, i64, i64 } %t430, ptr %a432
-  store { ptr, i64, i64 } { ptr @.str.1610, i64 20, i64 0 }, ptr %a433
-  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
-  %t434 = load { ptr, i64, i64 }, ptr %a431
-  call void @finch.gen.endHelper(ptr %t424, %S.gen.Saved %t425, { ptr, i64, i64 } %t434)
-  %t435 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t435, ptr %a436
-  call void @finch_str_copy(ptr %a437, ptr %a436)
-  %t438 = load { ptr, i64, i64 }, ptr %a437
-  ret { ptr, i64, i64 } %t438
+  %t425 = load { ptr, i64, i64 }, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1613, i64 23, i64 0 }, ptr %a427
+  store { ptr, i64, i64 } %t425, ptr %a428
+  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
+  %t429 = load { ptr, i64, i64 }, ptr %a426
+  store { ptr, i64, i64 } %t429, ptr %a431
+  store { ptr, i64, i64 } { ptr @.str.1614, i64 23, i64 0 }, ptr %a432
+  call void @finch_str_concat(ptr %a430, ptr %a431, ptr %a432)
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch_str_drop(ptr %a433)
+  %t434 = load { ptr, i64, i64 }, ptr %a430
+  %t435 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 3
+  %t436 = load i64, ptr %a381
+  %t437 = load { ptr, i64, i64 }, ptr %t435
+  %t438 = extractvalue { ptr, i64, i64 } %t437, 1
+  %t439 = icmp uge i64 %t436, %t438
+  br i1 %t439, label %range2695, label %inrange2696
+range2695:
+  call void @finch_panic_index(ptr @.str.1615, i64 852, i64 %t436, i64 %t438)
+  unreachable
+inrange2696:
+  %t440 = extractvalue { ptr, i64, i64 } %t437, 0
+  %t441 = getelementptr inbounds i64, ptr %t440, i64 %t436
+  %t442 = load i64, ptr %t441
+  call void @finch_str_from_int(ptr %a443, i64 %t442)
+  %t444 = load { ptr, i64, i64 }, ptr %a443
+  store { ptr, i64, i64 } %t434, ptr %a446
+  store { ptr, i64, i64 } %t444, ptr %a447
+  call void @finch_str_concat(ptr %a445, ptr %a446, ptr %a447)
+  store { ptr, i64, i64 } %t434, ptr %a448
+  call void @finch_str_drop(ptr %a448)
+  store { ptr, i64, i64 } %t444, ptr %a449
+  call void @finch_str_drop(ptr %a449)
+  %t450 = load { ptr, i64, i64 }, ptr %a445
+  %t451 = call { ptr, i64, i64 } @finch.gen.op(ptr %t424, { ptr, i64, i64 } %t450)
+  store { ptr, i64, i64 } %t450, ptr %a452
+  call void @finch_str_drop(ptr %a452)
+  store { ptr, i64, i64 } %t451, ptr %a453
+  %t454 = load ptr, ptr %a1
+  %t455 = load { ptr, i64, i64 }, ptr %a423
+  %t456 = load { ptr, i64, i64 }, ptr %a453
+  %t457 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 12
+  %t458 = load i64, ptr %a381
+  %t459 = load { ptr, i64, i64 }, ptr %t457
+  %t460 = extractvalue { ptr, i64, i64 } %t459, 1
+  %t461 = icmp uge i64 %t458, %t460
+  br i1 %t461, label %range2697, label %inrange2698
+range2697:
+  call void @finch_panic_index(ptr @.str.1616, i64 853, i64 %t458, i64 %t460)
+  unreachable
+inrange2698:
+  %t462 = extractvalue { ptr, i64, i64 } %t459, 0
+  %t463 = getelementptr inbounds %S.ast.Type, ptr %t462, i64 %t458
+  %t464 = load %S.ast.Type, ptr %t463
+  call void @finch.gen.copyAt(ptr %t454, { ptr, i64, i64 } %t455, { ptr, i64, i64 } %t456, %S.ast.Type %t464)
+  call void @finch_str_drop(ptr %a453)
+  call void @finch_str_drop(ptr %a423)
+  br label %endif2692
+endif2692:
+  br label %for.step2686
+for.step2686:
+  %t465 = load i64, ptr %a381
+  %t466 = add i64 %t465, 1
+  store i64 %t466, ptr %a381
+  br label %for.cond2684
+for.end2687:
+  call void @finch_str_drop(ptr %a371)
+  call void @finch.drop.S_gen_StructDef(ptr %a367)
+  br label %endif2660
+endif2660:
+  br label %endif2648
+endif2648:
+  %t467 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t467, { ptr, i64, i64 } { ptr @.str.1617, i64 8, i64 0 })
+  %t468 = load ptr, ptr %a1
+  %t469 = load %S.gen.Saved, ptr %a32
+  %t470 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1618, i64 21, i64 0 }, ptr %a472
+  store { ptr, i64, i64 } %t470, ptr %a473
+  call void @finch_str_concat(ptr %a471, ptr %a472, ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a471
+  store { ptr, i64, i64 } %t474, ptr %a476
+  store { ptr, i64, i64 } { ptr @.str.1619, i64 20, i64 0 }, ptr %a477
+  call void @finch_str_concat(ptr %a475, ptr %a476, ptr %a477)
+  store { ptr, i64, i64 } %t474, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  %t479 = load { ptr, i64, i64 }, ptr %a475
+  call void @finch.gen.endHelper(ptr %t468, %S.gen.Saved %t469, { ptr, i64, i64 } %t479)
+  store { ptr, i64, i64 } %t479, ptr %a480
+  call void @finch_str_drop(ptr %a480)
+  %t481 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t481
+}
+
+define internal void @finch.drop.S_gen_Val(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Val, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Val, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.gen.copyValue(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
@@ -26250,8 +29604,11 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca %S.ast.Type, align 16
   %a20 = alloca %S.ast.Type, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca %S.gen.Val, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -26259,14 +29616,14 @@ entry:
   %t5 = load %S.ast.Type, ptr %a3
   %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
   %t7 = xor i1 %t6, true
-  br i1 %t7, label %then2635, label %endif2637
-then2635:
+  br i1 %t7, label %then2699, label %endif2701
+then2699:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t8, ptr %a9
   call void @finch_str_copy(ptr %a10, ptr %a9)
   %t11 = load { ptr, i64, i64 }, ptr %a10
   ret { ptr, i64, i64 } %t11
-endif2637:
+endif2701:
   %t12 = load ptr, ptr %a1
   %t13 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t13, ptr %a14
@@ -26279,25 +29636,1149 @@ endif2637:
   %t21 = load %S.ast.Type, ptr %a20
   %t22 = insertvalue %S.gen.Val %t17, %S.ast.Type %t21, 1
   %t23 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t12, %S.gen.Val %t22)
-  store { ptr, i64, i64 } %t23, ptr %a24
-  %t25 = load ptr, ptr %a1
+  store %S.gen.Val %t22, ptr %a24
+  call void @finch.drop.S_gen_Val(ptr %a24)
+  store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = load ptr, ptr %a1
-  %t27 = load %S.ast.Type, ptr %a3
-  %t28 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t26, %S.ast.Type %t27)
-  %t29 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t25, { ptr, i64, i64 } %t28)
-  store { ptr, i64, i64 } %t29, ptr %a30
-  %t31 = load ptr, ptr %a1
-  %t32 = load { ptr, i64, i64 }, ptr %a30
-  %t33 = load { ptr, i64, i64 }, ptr %a24
-  %t34 = load %S.ast.Type, ptr %a3
-  call void @finch.gen.copyAt(ptr %t31, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33, %S.ast.Type %t34)
+  %t27 = load ptr, ptr %a1
+  %t28 = load %S.ast.Type, ptr %a3
+  %t29 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t27, %S.ast.Type %t28)
+  %t30 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t26, { ptr, i64, i64 } %t29)
+  store { ptr, i64, i64 } %t29, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  %t33 = load ptr, ptr %a1
+  %t34 = load { ptr, i64, i64 }, ptr %a32
+  %t35 = load { ptr, i64, i64 }, ptr %a25
+  %t36 = load %S.ast.Type, ptr %a3
+  call void @finch.gen.copyAt(ptr %t33, { ptr, i64, i64 } %t34, { ptr, i64, i64 } %t35, %S.ast.Type %t36)
+  %t37 = load ptr, ptr %a1
+  %t38 = load ptr, ptr %a1
+  %t39 = load %S.ast.Type, ptr %a3
+  %t40 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t38, %S.ast.Type %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a32
+  %t42 = call { ptr, i64, i64 } @finch.gen.load(ptr %t37, { ptr, i64, i64 } %t40, { ptr, i64, i64 } %t41)
+  store { ptr, i64, i64 } %t40, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  call void @finch_str_drop(ptr %a32)
+  call void @finch_str_drop(ptr %a25)
+  ret { ptr, i64, i64 } %t42
+}
+
+define internal void @finch.gen.dropAt(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  %t4 = load ptr, ptr %a1
+  %t5 = load %S.ast.Type, ptr %a3
+  %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
+  %t7 = xor i1 %t6, true
+  br i1 %t7, label %then2702, label %endif2704
+then2702:
+  ret void
+endif2704:
+  %t8 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t9 = load { ptr, i64, i64 }, ptr %t8
+  store { ptr, i64, i64 } %t9, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1620, i64 3, i64 0 }, ptr %a11
+  %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
+  %t13 = icmp ne i32 %t12, 0
+  br i1 %t13, label %then2705, label %else2706
+then2705:
+  %t14 = load ptr, ptr %a1
+  %t15 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1621, i64 30, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t19, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1622, i64 1, i64 0 }, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  call void @finch.gen.emit(ptr %t14, { ptr, i64, i64 } %t24)
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  br label %endif2707
+else2706:
+  %t26 = load ptr, ptr %a1
+  %t27 = load ptr, ptr %a1
+  %t28 = load %S.ast.Type, ptr %a3
+  %t29 = call { ptr, i64, i64 } @finch.gen.dropFn(ptr %t27, %S.ast.Type %t28)
+  store { ptr, i64, i64 } { ptr @.str.1623, i64 10, i64 0 }, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  store { ptr, i64, i64 } %t34, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.1624, i64 5, i64 0 }, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  %t40 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t39, ptr %a42
+  store { ptr, i64, i64 } %t40, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t39, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t45, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.1625, i64 1, i64 0 }, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t45, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  call void @finch.gen.emit(ptr %t26, { ptr, i64, i64 } %t50)
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %endif2707
+endif2707:
+  ret void
+}
+
+define internal void @finch.gen.dropValue(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca %S.ast.Type, align 16
+  %a16 = alloca %S.ast.Type, align 16
+  %a20 = alloca %S.gen.Val, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  %t4 = load ptr, ptr %a1
+  %t5 = load %S.ast.Type, ptr %a3
+  %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
+  br i1 %t6, label %then2708, label %endif2710
+then2708:
+  %t7 = load ptr, ptr %a1
+  %t8 = load ptr, ptr %a1
+  %t9 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t9, ptr %a10
+  call void @finch_str_copy(ptr %a11, ptr %a10)
+  %t12 = load { ptr, i64, i64 }, ptr %a11
+  %t13 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t12, 0
+  %t14 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t14, ptr %a15
+  call void @finch.copy.S_ast_Type(ptr %a16, ptr %a15)
+  %t17 = load %S.ast.Type, ptr %a16
+  %t18 = insertvalue %S.gen.Val %t13, %S.ast.Type %t17, 1
+  %t19 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t8, %S.gen.Val %t18)
+  store %S.gen.Val %t18, ptr %a20
+  call void @finch.drop.S_gen_Val(ptr %a20)
+  %t21 = load %S.ast.Type, ptr %a3
+  call void @finch.gen.dropAt(ptr %t7, { ptr, i64, i64 } %t19, %S.ast.Type %t21)
+  store { ptr, i64, i64 } %t19, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  br label %endif2710
+endif2710:
+  ret void
+}
+
+define internal void @finch.gen.release(ptr %p0, %S.gen.Val %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.gen.Val, align 16
+  store ptr %p0, ptr %a1
+  store %S.gen.Val %p1, ptr %a2
+  %t3 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 2
+  %t4 = load i1, ptr %t3
+  br label %logic.from2711
+logic.from2711:
+  br i1 %t4, label %logic.rhs2712, label %logic.end2713
+logic.rhs2712:
+  %t5 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  %t8 = icmp sgt i64 %t7, 0
+  br label %logic.rend2714
+logic.rend2714:
+  br label %logic.end2713
+logic.end2713:
+  %t9 = phi i1 [ false, %logic.from2711 ], [ %t8, %logic.rend2714 ]
+  br label %logic.from2715
+logic.from2715:
+  br i1 %t9, label %logic.rhs2716, label %logic.end2717
+logic.rhs2716:
+  %t10 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t11 = load { ptr, i64, i64 }, ptr %t10
+  %t12 = call i1 @finch.gen.isConstant({ ptr, i64, i64 } %t11)
+  %t13 = xor i1 %t12, true
+  br label %logic.rend2718
+logic.rend2718:
+  br label %logic.end2717
+logic.end2717:
+  %t14 = phi i1 [ false, %logic.from2715 ], [ %t13, %logic.rend2718 ]
+  br label %logic.from2719
+logic.from2719:
+  br i1 %t14, label %logic.rhs2720, label %logic.end2721
+logic.rhs2720:
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t17 = load %S.ast.Type, ptr %t16
+  %t18 = call i1 @finch.gen.owning(ptr %t15, %S.ast.Type %t17)
+  br label %logic.rend2722
+logic.rend2722:
+  br label %logic.end2721
+logic.end2721:
+  %t19 = phi i1 [ false, %logic.from2719 ], [ %t18, %logic.rend2722 ]
+  br i1 %t19, label %then2723, label %endif2725
+then2723:
+  %t20 = load ptr, ptr %a1
+  %t21 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t22 = load { ptr, i64, i64 }, ptr %t21
+  %t23 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t24 = load %S.ast.Type, ptr %t23
+  call void @finch.gen.dropValue(ptr %t20, { ptr, i64, i64 } %t22, %S.ast.Type %t24)
+  br label %endif2725
+endif2725:
+  ret void
+}
+
+define internal i1 @finch.gen.isConstant({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.1627, i64 1, i64 0 }, ptr %a5
+  %t6 = call i32 @finch_str_starts(ptr %a3, ptr %a5)
+  %t7 = icmp ne i32 %t6, 0
+  %t8 = xor i1 %t7, true
+  ret i1 %t8
+}
+
+define internal { ptr, i64, i64 } @finch.gen.dropFn(ptr %p0, %S.ast.Type %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.ast.Type, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.ast.Type, align 16
+  %a47 = alloca %S.ast.Type, align 16
+  %a49 = alloca %S.ast.Type, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.ast.Type, align 16
+  %a127 = alloca %S.ast.Type, align 16
+  %a135 = alloca %S.ast.Type, align 16
+  %a136 = alloca %S.ast.Type, align 16
+  %a138 = alloca %S.ast.Type, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca %S.gen.StructDef, align 16
+  %a249 = alloca %S.gen.StructDef, align 16
+  %a251 = alloca %S.gen.StructDef, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca i64, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store %S.ast.Type %p1, ptr %a2
+  %t3 = load %S.ast.Type, ptr %a2
+  %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
+  store { ptr, i64, i64 } { ptr @.str.1628, i64 12, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } %t4, ptr %a7
+  call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic2726, label %ok2727
+panic2726:
+  call void @finch_panic(ptr @.str.1629, i64 904, ptr @.str.1630)
+  unreachable
+ok2727:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then2728, label %endif2730
+then2728:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif2730:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic2731, label %ok2732
+panic2731:
+  call void @finch_panic(ptr @.str.1631, i64 907, ptr @.str.1632)
+  unreachable
+ok2732:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1633, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then2733, label %else2734
+then2733:
+  %t39 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
+  %t42 = icmp uge i64 0, %t41
+  br i1 %t42, label %range2736, label %inrange2737
+range2736:
+  call void @finch_panic_index(ptr @.str.1634, i64 910, i64 0, i64 %t41)
+  unreachable
+inrange2737:
+  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
+  %t44 = getelementptr inbounds %S.ast.Type, ptr %t43, i64 0
+  %t45 = load %S.ast.Type, ptr %t44
+  store %S.ast.Type %t45, ptr %a46
+  call void @finch.copy.S_ast_Type(ptr %a47, ptr %a46)
+  %t48 = load %S.ast.Type, ptr %a47
+  store %S.ast.Type %t48, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = load %S.ast.Type, ptr %a49
+  %t52 = call i1 @finch.gen.owning(ptr %t50, %S.ast.Type %t51)
+  br i1 %t52, label %then2738, label %endif2740
+then2738:
+  %t53 = load ptr, ptr %a1
+  %t54 = call { ptr, i64, i64 } @finch.gen.load(ptr %t53, { ptr, i64, i64 } { ptr @.str.1635, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1636, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t54, ptr %a55
+  %t56 = load ptr, ptr %a1
+  %t57 = load ptr, ptr %a1
+  %t58 = call { ptr, i64, i64 } @finch.gen.op(ptr %t57, { ptr, i64, i64 } { ptr @.str.1638, i64 62, i64 0 })
+  %t59 = call { ptr, i64, i64 } @finch.gen.load(ptr %t56, { ptr, i64, i64 } { ptr @.str.1637, i64 3, i64 0 }, { ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  store { ptr, i64, i64 } %t59, ptr %a61
+  %t62 = load ptr, ptr %a1
+  %t63 = load { ptr, i64, i64 }, ptr %a61
+  %t64 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t62, { ptr, i64, i64 } %t63)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = load ptr, ptr %a1
+  %t67 = load ptr, ptr %a1
+  %t68 = load %S.ast.Type, ptr %a49
+  %t69 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t67, %S.ast.Type %t68)
+  store { ptr, i64, i64 } { ptr @.str.1639, i64 23, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.1640, i64 6, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  %t80 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t79, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t79, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.1641, i64 6, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = load { ptr, i64, i64 }, ptr %a65
+  %t92 = extractvalue { ptr, i64, i64 } %t91, 1
+  %t93 = icmp uge i64 3, %t92
+  br i1 %t93, label %range2741, label %inrange2742
+range2741:
+  call void @finch_panic_index(ptr @.str.1642, i64 915, i64 3, i64 %t92)
+  unreachable
+inrange2742:
+  %t94 = extractvalue { ptr, i64, i64 } %t91, 0
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i64 3
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } %t90, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  store { ptr, i64, i64 } %t90, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a97
+  %t102 = call { ptr, i64, i64 } @finch.gen.op(ptr %t66, { ptr, i64, i64 } %t101)
+  store { ptr, i64, i64 } %t101, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  store { ptr, i64, i64 } %t102, ptr %a104
+  %t105 = load ptr, ptr %a1
+  %t106 = load { ptr, i64, i64 }, ptr %a104
+  %t107 = load %S.ast.Type, ptr %a49
+  call void @finch.gen.dropAt(ptr %t105, { ptr, i64, i64 } %t106, %S.ast.Type %t107)
+  %t108 = load ptr, ptr %a1
+  %t109 = load { ptr, i64, i64 }, ptr %a65
+  call void @finch.gen.loopEnd(ptr %t108, { ptr, i64, i64 } %t109)
+  call void @finch_str_drop(ptr %a104)
+  call void @finch.drop.arr_str(ptr %a65)
+  call void @finch_str_drop(ptr %a61)
+  call void @finch_str_drop(ptr %a55)
+  br label %endif2740
+endif2740:
+  %t110 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t110, { ptr, i64, i64 } { ptr @.str.1643, i64 33, i64 0 })
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  br label %endif2735
+else2734:
+  %t111 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t112, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.1644, i64 3, i64 0 }, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br i1 %t116, label %then2743, label %else2744
+then2743:
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
+  %t120 = icmp uge i64 0, %t119
+  br i1 %t120, label %range2746, label %inrange2747
+range2746:
+  call void @finch_panic_index(ptr @.str.1645, i64 921, i64 0, i64 %t119)
+  unreachable
+inrange2747:
+  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
+  %t122 = getelementptr inbounds %S.ast.Type, ptr %t121, i64 0
+  %t123 = load %S.ast.Type, ptr %t122
+  store %S.ast.Type %t123, ptr %a124
+  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
+  %t126 = load %S.ast.Type, ptr %a125
+  store %S.ast.Type %t126, ptr %a127
+  %t128 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  %t130 = extractvalue { ptr, i64, i64 } %t129, 1
+  %t131 = icmp uge i64 1, %t130
+  br i1 %t131, label %range2748, label %inrange2749
+range2748:
+  call void @finch_panic_index(ptr @.str.1646, i64 922, i64 1, i64 %t130)
+  unreachable
+inrange2749:
+  %t132 = extractvalue { ptr, i64, i64 } %t129, 0
+  %t133 = getelementptr inbounds %S.ast.Type, ptr %t132, i64 1
+  %t134 = load %S.ast.Type, ptr %t133
+  store %S.ast.Type %t134, ptr %a135
+  call void @finch.copy.S_ast_Type(ptr %a136, ptr %a135)
+  %t137 = load %S.ast.Type, ptr %a136
+  store %S.ast.Type %t137, ptr %a138
+  %t139 = load ptr, ptr %a1
+  %t140 = load %S.ast.Type, ptr %a127
+  %t141 = call i1 @finch.gen.owning(ptr %t139, %S.ast.Type %t140)
+  br label %logic.from2750
+logic.from2750:
+  br i1 %t141, label %logic.end2752, label %logic.rhs2751
+logic.rhs2751:
+  %t142 = load ptr, ptr %a1
+  %t143 = load %S.ast.Type, ptr %a138
+  %t144 = call i1 @finch.gen.owning(ptr %t142, %S.ast.Type %t143)
+  br label %logic.rend2753
+logic.rend2753:
+  br label %logic.end2752
+logic.end2752:
+  %t145 = phi i1 [ true, %logic.from2750 ], [ %t144, %logic.rend2753 ]
+  br i1 %t145, label %then2754, label %endif2756
+then2754:
+  %t146 = load ptr, ptr %a1
+  %t147 = load ptr, ptr %a1
+  %t148 = load ptr, ptr %a1
+  %t149 = load %S.ast.Type, ptr %a2
+  %t150 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t148, %S.ast.Type %t149)
+  store { ptr, i64, i64 } { ptr @.str.1648, i64 23, i64 0 }, ptr %a152
+  store { ptr, i64, i64 } %t150, ptr %a153
+  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  store { ptr, i64, i64 } %t155, ptr %a157
+  store { ptr, i64, i64 } { ptr @.str.1649, i64 22, i64 0 }, ptr %a158
+  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
+  store { ptr, i64, i64 } %t155, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a156
+  %t161 = call { ptr, i64, i64 } @finch.gen.op(ptr %t147, { ptr, i64, i64 } %t160)
+  store { ptr, i64, i64 } %t160, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = call { ptr, i64, i64 } @finch.gen.load(ptr %t146, { ptr, i64, i64 } { ptr @.str.1647, i64 3, i64 0 }, { ptr, i64, i64 } %t161)
+  store { ptr, i64, i64 } %t161, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  store { ptr, i64, i64 } %t163, ptr %a165
+  %t166 = load ptr, ptr %a1
+  %t167 = load { ptr, i64, i64 }, ptr %a165
+  %t168 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t166, { ptr, i64, i64 } %t167)
+  store { ptr, i64, i64 } %t168, ptr %a169
+  %t170 = load ptr, ptr %a1
+  %t171 = load %S.ast.Type, ptr %a2
+  %t172 = load { ptr, i64, i64 }, ptr %a169
+  %t173 = extractvalue { ptr, i64, i64 } %t172, 1
+  %t174 = icmp uge i64 3, %t173
+  br i1 %t174, label %range2757, label %inrange2758
+range2757:
+  call void @finch_panic_index(ptr @.str.1651, i64 926, i64 3, i64 %t173)
+  unreachable
+inrange2758:
+  %t175 = extractvalue { ptr, i64, i64 } %t172, 0
+  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t175, i64 3
+  %t177 = load { ptr, i64, i64 }, ptr %t176
+  %t178 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t170, { ptr, i64, i64 } { ptr @.str.1650, i64 2, i64 0 }, %S.ast.Type %t171, { ptr, i64, i64 } %t177)
+  store { ptr, i64, i64 } %t178, ptr %a179
+  %t180 = load ptr, ptr %a1
+  %t181 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t180, { ptr, i64, i64 } { ptr @.str.1652, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t181, ptr %a182
+  %t183 = load ptr, ptr %a1
+  %t184 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t183, { ptr, i64, i64 } { ptr @.str.1653, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t184, ptr %a185
+  %t186 = load ptr, ptr %a1
+  %t187 = load ptr, ptr %a1
+  %t188 = load ptr, ptr %a1
+  %t189 = load ptr, ptr %a1
+  %t190 = load { ptr, i64, i64 }, ptr %a179
+  %t191 = load %S.ast.Type, ptr %a2
+  %t192 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t189, { ptr, i64, i64 } %t190, %S.ast.Type %t191, i64 0)
+  %t193 = call { ptr, i64, i64 } @finch.gen.load(ptr %t188, { ptr, i64, i64 } { ptr @.str.1655, i64 3, i64 0 }, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  store { ptr, i64, i64 } { ptr @.str.1654, i64 12, i64 0 }, ptr %a196
+  store { ptr, i64, i64 } %t193, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t193, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  store { ptr, i64, i64 } %t199, ptr %a201
+  store { ptr, i64, i64 } { ptr @.str.1656, i64 3, i64 0 }, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t199, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  %t204 = load { ptr, i64, i64 }, ptr %a200
+  %t205 = call { ptr, i64, i64 } @finch.gen.op(ptr %t187, { ptr, i64, i64 } %t204)
+  store { ptr, i64, i64 } %t204, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a182
+  %t208 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.condBr(ptr %t186, { ptr, i64, i64 } %t205, { ptr, i64, i64 } %t207, { ptr, i64, i64 } %t208)
+  store { ptr, i64, i64 } %t205, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load ptr, ptr %a1
+  %t211 = load { ptr, i64, i64 }, ptr %a182
+  call void @finch.gen.label(ptr %t210, { ptr, i64, i64 } %t211)
+  %t212 = load ptr, ptr %a1
+  %t213 = load ptr, ptr %a1
+  %t214 = load { ptr, i64, i64 }, ptr %a179
+  %t215 = load %S.ast.Type, ptr %a2
+  %t216 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t213, { ptr, i64, i64 } %t214, %S.ast.Type %t215, i64 1)
+  %t217 = load %S.ast.Type, ptr %a127
+  call void @finch.gen.dropAt(ptr %t212, { ptr, i64, i64 } %t216, %S.ast.Type %t217)
+  store { ptr, i64, i64 } %t216, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  %t219 = load ptr, ptr %a1
+  %t220 = load ptr, ptr %a1
+  %t221 = load { ptr, i64, i64 }, ptr %a179
+  %t222 = load %S.ast.Type, ptr %a2
+  %t223 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t220, { ptr, i64, i64 } %t221, %S.ast.Type %t222, i64 2)
+  %t224 = load %S.ast.Type, ptr %a138
+  call void @finch.gen.dropAt(ptr %t219, { ptr, i64, i64 } %t223, %S.ast.Type %t224)
+  store { ptr, i64, i64 } %t223, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load ptr, ptr %a1
+  %t227 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.br(ptr %t226, { ptr, i64, i64 } %t227)
+  %t228 = load ptr, ptr %a1
+  %t229 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.label(ptr %t228, { ptr, i64, i64 } %t229)
+  %t230 = load ptr, ptr %a1
+  %t231 = load { ptr, i64, i64 }, ptr %a169
+  call void @finch.gen.loopEnd(ptr %t230, { ptr, i64, i64 } %t231)
+  call void @finch_str_drop(ptr %a185)
+  call void @finch_str_drop(ptr %a182)
+  call void @finch_str_drop(ptr %a179)
+  call void @finch.drop.arr_str(ptr %a169)
+  call void @finch_str_drop(ptr %a165)
+  br label %endif2756
+endif2756:
+  %t232 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t232, { ptr, i64, i64 } { ptr @.str.1657, i64 33, i64 0 })
+  call void @finch.drop.S_ast_Type(ptr %a138)
+  call void @finch.drop.S_ast_Type(ptr %a127)
+  br label %endif2745
+else2744:
+  %t233 = load ptr, ptr %a1
+  %t234 = icmp eq ptr %t233, null
+  br i1 %t234, label %panic2759, label %ok2760
+panic2759:
+  call void @finch_panic(ptr @.str.1658, i64 939, ptr @.str.1659)
+  unreachable
+ok2760:
+  %t235 = getelementptr inbounds %S.gen.Gen, ptr %t233, i32 0, i32 16
+  %t236 = load ptr, ptr %a1
+  %t237 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  %t239 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = call i64 @finch.gen.findStruct(ptr %t236, { ptr, i64, i64 } %t238, { ptr, i64, i64 } %t240)
+  %t242 = load { ptr, i64, i64 }, ptr %t235
+  %t243 = extractvalue { ptr, i64, i64 } %t242, 1
+  %t244 = icmp uge i64 %t241, %t243
+  br i1 %t244, label %range2761, label %inrange2762
+range2761:
+  call void @finch_panic_index(ptr @.str.1660, i64 939, i64 %t241, i64 %t243)
+  unreachable
+inrange2762:
+  %t245 = extractvalue { ptr, i64, i64 } %t242, 0
+  %t246 = getelementptr inbounds %S.gen.StructDef, ptr %t245, i64 %t241
+  %t247 = load %S.gen.StructDef, ptr %t246
+  store %S.gen.StructDef %t247, ptr %a248
+  call void @finch.copy.S_gen_StructDef(ptr %a249, ptr %a248)
+  %t250 = load %S.gen.StructDef, ptr %a249
+  store %S.gen.StructDef %t250, ptr %a251
+  %t252 = load ptr, ptr %a1
+  %t253 = load %S.ast.Type, ptr %a2
+  %t254 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t252, %S.ast.Type %t253)
+  store { ptr, i64, i64 } %t254, ptr %a255
+  %t256 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 12
+  %t257 = getelementptr inbounds { ptr, i64, i64 }, ptr %t256, i32 0, i32 1
+  %t258 = load i64, ptr %t257
+  store i64 0, ptr %a259
+  br label %for.cond2763
+for.cond2763:
+  %t260 = load i64, ptr %a259
+  %t261 = icmp slt i64 %t260, %t258
+  br i1 %t261, label %for.body2764, label %for.end2766
+for.body2764:
+  %t262 = load ptr, ptr %a1
+  %t263 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 12
+  %t264 = load i64, ptr %a259
+  %t265 = load { ptr, i64, i64 }, ptr %t263
+  %t266 = extractvalue { ptr, i64, i64 } %t265, 1
+  %t267 = icmp uge i64 %t264, %t266
+  br i1 %t267, label %range2767, label %inrange2768
+range2767:
+  call void @finch_panic_index(ptr @.str.1661, i64 942, i64 %t264, i64 %t266)
+  unreachable
+inrange2768:
+  %t268 = extractvalue { ptr, i64, i64 } %t265, 0
+  %t269 = getelementptr inbounds %S.ast.Type, ptr %t268, i64 %t264
+  %t270 = load %S.ast.Type, ptr %t269
+  %t271 = call i1 @finch.gen.owning(ptr %t262, %S.ast.Type %t270)
+  br i1 %t271, label %then2769, label %endif2771
+then2769:
+  %t272 = load ptr, ptr %a1
+  %t273 = load ptr, ptr %a1
+  %t274 = load { ptr, i64, i64 }, ptr %a255
+  store { ptr, i64, i64 } { ptr @.str.1662, i64 23, i64 0 }, ptr %a276
+  store { ptr, i64, i64 } %t274, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a275
+  store { ptr, i64, i64 } %t278, ptr %a280
+  store { ptr, i64, i64 } { ptr @.str.1663, i64 21, i64 0 }, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  %t284 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 3
+  %t285 = load i64, ptr %a259
+  %t286 = load { ptr, i64, i64 }, ptr %t284
+  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
+  %t288 = icmp uge i64 %t285, %t287
+  br i1 %t288, label %range2772, label %inrange2773
+range2772:
+  call void @finch_panic_index(ptr @.str.1664, i64 943, i64 %t285, i64 %t287)
+  unreachable
+inrange2773:
+  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
+  %t290 = getelementptr inbounds i64, ptr %t289, i64 %t285
+  %t291 = load i64, ptr %t290
+  call void @finch_str_from_int(ptr %a292, i64 %t291)
+  %t293 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t283, ptr %a295
+  store { ptr, i64, i64 } %t293, ptr %a296
+  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
+  store { ptr, i64, i64 } %t283, ptr %a297
+  call void @finch_str_drop(ptr %a297)
+  store { ptr, i64, i64 } %t293, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a294
+  %t300 = call { ptr, i64, i64 } @finch.gen.op(ptr %t273, { ptr, i64, i64 } %t299)
+  store { ptr, i64, i64 } %t299, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 12
+  %t303 = load i64, ptr %a259
+  %t304 = load { ptr, i64, i64 }, ptr %t302
+  %t305 = extractvalue { ptr, i64, i64 } %t304, 1
+  %t306 = icmp uge i64 %t303, %t305
+  br i1 %t306, label %range2774, label %inrange2775
+range2774:
+  call void @finch_panic_index(ptr @.str.1665, i64 943, i64 %t303, i64 %t305)
+  unreachable
+inrange2775:
+  %t307 = extractvalue { ptr, i64, i64 } %t304, 0
+  %t308 = getelementptr inbounds %S.ast.Type, ptr %t307, i64 %t303
+  %t309 = load %S.ast.Type, ptr %t308
+  call void @finch.gen.dropAt(ptr %t272, { ptr, i64, i64 } %t300, %S.ast.Type %t309)
+  store { ptr, i64, i64 } %t300, ptr %a310
+  call void @finch_str_drop(ptr %a310)
+  br label %endif2771
+endif2771:
+  br label %for.step2765
+for.step2765:
+  %t311 = load i64, ptr %a259
+  %t312 = add i64 %t311, 1
+  store i64 %t312, ptr %a259
+  br label %for.cond2763
+for.end2766:
+  call void @finch_str_drop(ptr %a255)
+  call void @finch.drop.S_gen_StructDef(ptr %a251)
+  br label %endif2745
+endif2745:
+  br label %endif2735
+endif2735:
+  %t313 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t313, { ptr, i64, i64 } { ptr @.str.1666, i64 8, i64 0 })
+  %t314 = load ptr, ptr %a1
+  %t315 = load %S.gen.Saved, ptr %a32
+  %t316 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1667, i64 21, i64 0 }, ptr %a318
+  store { ptr, i64, i64 } %t316, ptr %a319
+  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a317
+  store { ptr, i64, i64 } %t320, ptr %a322
+  store { ptr, i64, i64 } { ptr @.str.1668, i64 8, i64 0 }, ptr %a323
+  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
+  store { ptr, i64, i64 } %t320, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  %t325 = load { ptr, i64, i64 }, ptr %a321
+  call void @finch.gen.endHelper(ptr %t314, %S.gen.Saved %t315, { ptr, i64, i64 } %t325)
+  store { ptr, i64, i64 } %t325, ptr %a326
+  call void @finch_str_drop(ptr %a326)
+  %t327 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t327
+}
+
+define internal void @finch.gen.hold(ptr %p0, %S.gen.Val %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.gen.Val, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.ast.Type, align 16
+  %a33 = alloca %S.ast.Type, align 16
+  store ptr %p0, ptr %a1
+  store %S.gen.Val %p1, ptr %a2
+  %t3 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 2
+  %t4 = load i1, ptr %t3
+  br label %logic.from2776
+logic.from2776:
+  br i1 %t4, label %logic.rhs2777, label %logic.end2778
+logic.rhs2777:
+  %t5 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  %t8 = icmp sgt i64 %t7, 0
+  br label %logic.rend2779
+logic.rend2779:
+  br label %logic.end2778
+logic.end2778:
+  %t9 = phi i1 [ false, %logic.from2776 ], [ %t8, %logic.rend2779 ]
+  br label %logic.from2780
+logic.from2780:
+  br i1 %t9, label %logic.rhs2781, label %logic.end2782
+logic.rhs2781:
+  %t10 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t11 = load { ptr, i64, i64 }, ptr %t10
+  %t12 = call i1 @finch.gen.isConstant({ ptr, i64, i64 } %t11)
+  %t13 = xor i1 %t12, true
+  br label %logic.rend2783
+logic.rend2783:
+  br label %logic.end2782
+logic.end2782:
+  %t14 = phi i1 [ false, %logic.from2780 ], [ %t13, %logic.rend2783 ]
+  br label %logic.from2784
+logic.from2784:
+  br i1 %t14, label %logic.rhs2785, label %logic.end2786
+logic.rhs2785:
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t17 = load %S.ast.Type, ptr %t16
+  %t18 = call i1 @finch.gen.owning(ptr %t15, %S.ast.Type %t17)
+  br label %logic.rend2787
+logic.rend2787:
+  br label %logic.end2786
+logic.end2786:
+  %t19 = phi i1 [ false, %logic.from2784 ], [ %t18, %logic.rend2787 ]
+  br i1 %t19, label %then2788, label %endif2790
+then2788:
+  %t20 = load ptr, ptr %a1
+  %t21 = icmp eq ptr %t20, null
+  br i1 %t21, label %panic2791, label %ok2792
+panic2791:
+  call void @finch_panic(ptr @.str.1669, i64 956, ptr @.str.1670)
+  unreachable
+ok2792:
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 11
+  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
+  %t24 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t25 = load { ptr, i64, i64 }, ptr %t24
+  store { ptr, i64, i64 } %t25, ptr %a26
+  call void @finch_str_copy(ptr %a27, ptr %a26)
+  %t28 = load { ptr, i64, i64 }, ptr %a27
+  %t29 = insertvalue %S.gen.Pending zeroinitializer, { ptr, i64, i64 } %t28, 0
+  %t30 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t31 = load %S.ast.Type, ptr %t30
+  store %S.ast.Type %t31, ptr %a32
+  call void @finch.copy.S_ast_Type(ptr %a33, ptr %a32)
+  %t34 = load %S.ast.Type, ptr %a33
+  %t35 = insertvalue %S.gen.Pending %t29, %S.ast.Type %t34, 1
+  %t36 = insertvalue %S.gen.Pending %t35, i1 false, 2
+  %t37 = load i64, ptr %t23
+  %t38 = add i64 %t37, 1
+  call void @finch_arr_reserve(ptr %t22, i64 %t38, i64 ptrtoint (ptr getelementptr (%S.gen.Pending, ptr null, i32 1) to i64))
+  %t39 = load ptr, ptr %t22
+  %t40 = getelementptr inbounds %S.gen.Pending, ptr %t39, i64 %t37
+  store %S.gen.Pending %t36, ptr %t40
+  store i64 %t38, ptr %t23
+  br label %endif2790
+endif2790:
+  ret void
+}
+
+define internal void @finch.gen.holdAddr(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca %S.ast.Type, align 16
+  %a18 = alloca %S.ast.Type, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  %t4 = load ptr, ptr %a1
+  %t5 = load %S.ast.Type, ptr %a3
+  %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
+  br i1 %t6, label %then2793, label %endif2795
+then2793:
+  %t7 = load ptr, ptr %a1
+  %t8 = icmp eq ptr %t7, null
+  br i1 %t8, label %panic2796, label %ok2797
+panic2796:
+  call void @finch_panic(ptr @.str.1671, i64 962, ptr @.str.1672)
+  unreachable
+ok2797:
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 11
+  %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
+  %t11 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t11, ptr %a12
+  call void @finch_str_copy(ptr %a13, ptr %a12)
+  %t14 = load { ptr, i64, i64 }, ptr %a13
+  %t15 = insertvalue %S.gen.Pending zeroinitializer, { ptr, i64, i64 } %t14, 0
+  %t16 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t16, ptr %a17
+  call void @finch.copy.S_ast_Type(ptr %a18, ptr %a17)
+  %t19 = load %S.ast.Type, ptr %a18
+  %t20 = insertvalue %S.gen.Pending %t15, %S.ast.Type %t19, 1
+  %t21 = insertvalue %S.gen.Pending %t20, i1 true, 2
+  %t22 = load i64, ptr %t10
+  %t23 = add i64 %t22, 1
+  call void @finch_arr_reserve(ptr %t9, i64 %t23, i64 ptrtoint (ptr getelementptr (%S.gen.Pending, ptr null, i32 1) to i64))
+  %t24 = load ptr, ptr %t9
+  %t25 = getelementptr inbounds %S.gen.Pending, ptr %t24, i64 %t22
+  store %S.gen.Pending %t21, ptr %t25
+  store i64 %t23, ptr %t10
+  br label %endif2795
+endif2795:
+  ret void
+}
+
+define internal void @finch.copy.S_gen_Pending(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.gen.Pending, ptr %src
+  store %S.gen.Pending %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.gen.Pending, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.gen.Pending, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Pending, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.gen.Pending, ptr %src, i32 0, i32 1
+  call void @finch.copy.S_ast_Type(ptr %t4, ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Pending(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Pending, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Pending, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
+}
+
+define internal void @finch.gen.dropPending(ptr %p0, i64 %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca i64, align 16
+  %a8 = alloca i64, align 16
+  %a24 = alloca %S.gen.Pending, align 16
+  %a25 = alloca %S.gen.Pending, align 16
+  %a27 = alloca %S.gen.Pending, align 16
+  store ptr %p0, ptr %a1
+  store i64 %p1, ptr %a2
+  %t3 = load ptr, ptr %a1
+  %t4 = icmp eq ptr %t3, null
+  br i1 %t4, label %panic2798, label %ok2799
+panic2798:
+  call void @finch_panic(ptr @.str.1673, i64 968, ptr @.str.1674)
+  unreachable
+ok2799:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 11
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  store i64 %t7, ptr %a8
+  br label %while.cond2800
+while.cond2800:
+  %t9 = load i64, ptr %a8
+  %t10 = load i64, ptr %a2
+  %t11 = icmp sgt i64 %t9, %t10
+  br i1 %t11, label %while.body2801, label %while.end2802
+while.body2801:
+  %t12 = load i64, ptr %a8
+  %t13 = sub i64 %t12, 1
+  store i64 %t13, ptr %a8
+  %t14 = load ptr, ptr %a1
+  %t15 = icmp eq ptr %t14, null
+  br i1 %t15, label %panic2803, label %ok2804
+panic2803:
+  call void @finch_panic(ptr @.str.1675, i64 971, ptr @.str.1676)
+  unreachable
+ok2804:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 11
+  %t17 = load i64, ptr %a8
+  %t18 = load { ptr, i64, i64 }, ptr %t16
+  %t19 = extractvalue { ptr, i64, i64 } %t18, 1
+  %t20 = icmp uge i64 %t17, %t19
+  br i1 %t20, label %range2805, label %inrange2806
+range2805:
+  call void @finch_panic_index(ptr @.str.1677, i64 971, i64 %t17, i64 %t19)
+  unreachable
+inrange2806:
+  %t21 = extractvalue { ptr, i64, i64 } %t18, 0
+  %t22 = getelementptr inbounds %S.gen.Pending, ptr %t21, i64 %t17
+  %t23 = load %S.gen.Pending, ptr %t22
+  store %S.gen.Pending %t23, ptr %a24
+  call void @finch.copy.S_gen_Pending(ptr %a25, ptr %a24)
+  %t26 = load %S.gen.Pending, ptr %a25
+  store %S.gen.Pending %t26, ptr %a27
+  %t28 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 2
+  %t29 = load i1, ptr %t28
+  br i1 %t29, label %then2807, label %else2808
+then2807:
+  %t30 = load ptr, ptr %a1
+  %t31 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 0
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  %t33 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 1
+  %t34 = load %S.ast.Type, ptr %t33
+  call void @finch.gen.dropAt(ptr %t30, { ptr, i64, i64 } %t32, %S.ast.Type %t34)
+  br label %endif2809
+else2808:
   %t35 = load ptr, ptr %a1
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Type, ptr %a3
-  %t38 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t36, %S.ast.Type %t37)
-  %t39 = load { ptr, i64, i64 }, ptr %a30
-  %t40 = call { ptr, i64, i64 } @finch.gen.load(ptr %t35, { ptr, i64, i64 } %t38, { ptr, i64, i64 } %t39)
-  ret { ptr, i64, i64 } %t40
+  %t36 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 0
+  %t37 = load { ptr, i64, i64 }, ptr %t36
+  %t38 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 1
+  %t39 = load %S.ast.Type, ptr %t38
+  call void @finch.gen.dropValue(ptr %t35, { ptr, i64, i64 } %t37, %S.ast.Type %t39)
+  br label %endif2809
+endif2809:
+  call void @finch.drop.S_gen_Pending(ptr %a27)
+  br label %while.cond2800
+while.end2802:
+  ret void
+}
+
+define internal void @finch.gen.heldEnd(ptr %p0, i64 %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca i64, align 16
+  %a20 = alloca %S.gen.Pending, align 16
+  store ptr %p0, ptr %a1
+  store i64 %p1, ptr %a2
+  br label %while.cond2810
+while.cond2810:
+  %t3 = load ptr, ptr %a1
+  %t4 = icmp eq ptr %t3, null
+  br i1 %t4, label %panic2813, label %ok2814
+panic2813:
+  call void @finch_panic(ptr @.str.1678, i64 982, ptr @.str.1679)
+  unreachable
+ok2814:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 11
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  %t8 = load i64, ptr %a2
+  %t9 = icmp sgt i64 %t7, %t8
+  br i1 %t9, label %while.body2811, label %while.end2812
+while.body2811:
+  %t10 = load ptr, ptr %a1
+  %t11 = icmp eq ptr %t10, null
+  br i1 %t11, label %panic2815, label %ok2816
+panic2815:
+  call void @finch_panic(ptr @.str.1680, i64 983, ptr @.str.1681)
+  unreachable
+ok2816:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 11
+  %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
+  %t14 = load i64, ptr %t13
+  %t15 = icmp eq i64 %t14, 0
+  br i1 %t15, label %panic2817, label %ok2818
+panic2817:
+  call void @finch_panic(ptr @.str.1682, i64 983, ptr @.str.1683)
+  unreachable
+ok2818:
+  %t16 = sub i64 %t14, 1
+  %t17 = load ptr, ptr %t12
+  %t18 = getelementptr inbounds %S.gen.Pending, ptr %t17, i64 %t16
+  %t19 = load %S.gen.Pending, ptr %t18
+  store i64 %t16, ptr %t13
+  store %S.gen.Pending %t19, ptr %a20
+  call void @finch.drop.S_gen_Pending(ptr %a20)
+  br label %while.cond2810
+while.end2812:
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.gen.own(ptr %p0, %S.gen.Val %p1) {
@@ -26313,26 +30794,26 @@ entry:
   %t5 = load %S.ast.Type, ptr %t4
   %t6 = call i1 @finch.gen.owning(ptr %t3, %S.ast.Type %t5)
   %t7 = xor i1 %t6, true
-  br label %logic.from2638
-logic.from2638:
-  br i1 %t7, label %logic.end2640, label %logic.rhs2639
-logic.rhs2639:
+  br label %logic.from2819
+logic.from2819:
+  br i1 %t7, label %logic.end2821, label %logic.rhs2820
+logic.rhs2820:
   %t8 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 2
   %t9 = load i1, ptr %t8
-  br label %logic.rend2641
-logic.rend2641:
-  br label %logic.end2640
-logic.end2640:
-  %t10 = phi i1 [ true, %logic.from2638 ], [ %t9, %logic.rend2641 ]
-  br i1 %t10, label %then2642, label %endif2644
-then2642:
+  br label %logic.rend2822
+logic.rend2822:
+  br label %logic.end2821
+logic.end2821:
+  %t10 = phi i1 [ true, %logic.from2819 ], [ %t9, %logic.rend2822 ]
+  br i1 %t10, label %then2823, label %endif2825
+then2823:
   %t11 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
   call void @finch_str_copy(ptr %a14, ptr %a13)
   %t15 = load { ptr, i64, i64 }, ptr %a14
   ret { ptr, i64, i64 } %t15
-endif2644:
+endif2825:
   %t16 = load ptr, ptr %a1
   %t17 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
@@ -26353,18 +30834,23 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -26375,41 +30861,55 @@ entry:
   %t8 = load ptr, ptr %a1
   %t9 = call { ptr, i64, i64 } @finch.gen.tmpName(ptr %t8)
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1611, i64 0, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1684, i64 0, i64 0 }, ptr %a11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = icmp sgt i64 %t13, 0
-  br i1 %t14, label %then2645, label %endif2647
-then2645:
+  br i1 %t14, label %then2826, label %endif2828
+then2826:
   %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1612, i64 2, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1685, i64 2, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
   %t19 = load { ptr, i64, i64 }, ptr %a16
+  %t20 = load { ptr, i64, i64 }, ptr %a11
   store { ptr, i64, i64 } %t19, ptr %a11
-  br label %endif2647
-endif2647:
-  %t20 = load ptr, ptr %a1
-  %t21 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1613, i64 35, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } %t25, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  %t31 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t30, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1614, i64 1, i64 0 }, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  call void @finch.gen.emit(ptr %t20, { ptr, i64, i64 } %t39)
+  store { ptr, i64, i64 } %t20, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  br label %endif2828
+endif2828:
+  %t22 = load ptr, ptr %a1
+  %t23 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.1686, i64 35, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a24
+  %t28 = load { ptr, i64, i64 }, ptr %a7
+  store { ptr, i64, i64 } %t27, ptr %a30
+  store { ptr, i64, i64 } %t28, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t27, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t33, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1687, i64 1, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  call void @finch.gen.emit(ptr %t22, { ptr, i64, i64 } %t44)
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a7)
   ret void
 }
 
@@ -26423,85 +30923,115 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1615, i64 31, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1688, i64 31, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
   %t8 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1616, i64 3, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1689, i64 3, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
-  %t12 = load { ptr, i64, i64 }, ptr %a9
-  %t13 = call { ptr, i64, i64 } @finch.gen.op(ptr %t3, { ptr, i64, i64 } %t12)
-  store { ptr, i64, i64 } %t13, ptr %a14
-  %t15 = load ptr, ptr %a1
-  %t16 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1617, i64 12, i64 0 }, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.1618, i64 6, i64 0 }, ptr %a23
-  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  %t25 = call { ptr, i64, i64 } @finch.gen.op(ptr %t15, { ptr, i64, i64 } %t24)
-  store { ptr, i64, i64 } %t25, ptr %a26
-  %t27 = load ptr, ptr %a1
-  %t28 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t27, { ptr, i64, i64 } { ptr @.str.1619, i64 0, i64 0 })
-  store { ptr, i64, i64 } %t28, ptr %a29
-  %t30 = load ptr, ptr %a1
-  %t31 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.1620, i64 10, i64 0 }, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1621, i64 6, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  %t13 = load { ptr, i64, i64 }, ptr %a9
+  %t14 = call { ptr, i64, i64 } @finch.gen.op(ptr %t3, { ptr, i64, i64 } %t13)
+  store { ptr, i64, i64 } %t13, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  store { ptr, i64, i64 } %t14, ptr %a16
+  %t17 = load ptr, ptr %a1
+  %t18 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1690, i64 12, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } %t18, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t22, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1691, i64 6, i64 0 }, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  %t28 = call { ptr, i64, i64 } @finch.gen.op(ptr %t17, { ptr, i64, i64 } %t27)
+  store { ptr, i64, i64 } %t27, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a30
+  %t31 = load ptr, ptr %a1
+  %t32 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t31, { ptr, i64, i64 } { ptr @.str.1692, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t32, ptr %a33
+  %t34 = load ptr, ptr %a1
+  %t35 = load { ptr, i64, i64 }, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1693, i64 10, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } %t35, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
   %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t39, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1622, i64 6, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t48, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  %t54 = call { ptr, i64, i64 } @finch.gen.op(ptr %t30, { ptr, i64, i64 } %t53)
-  ret { ptr, i64, i64 } %t54
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1694, i64 6, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t44, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t44, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.1695, i64 6, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = call { ptr, i64, i64 } @finch.gen.op(ptr %t34, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t61, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  call void @finch_str_drop(ptr %a33)
+  call void @finch_str_drop(ptr %a30)
+  call void @finch_str_drop(ptr %a16)
+  ret { ptr, i64, i64 } %t62
 }
 
 define internal void @finch.gen.emitPrint(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, i1 %p3) {
@@ -26513,118 +31043,155 @@ entry:
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca %S.ast.Type, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.ast.Type, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.ast.Type, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
   %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
   %a261 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -26637,340 +31204,427 @@ entry:
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load %S.ast.Type, ptr %a3
   %t12 = call i1 @finch.gen.isSigned(%S.ast.Type %t11)
-  br i1 %t12, label %then2648, label %else2649
-then2648:
+  br i1 %t12, label %then2829, label %else2830
+then2829:
   %t13 = load ptr, ptr %a1
   %t14 = load ptr, ptr %a1
   %t15 = load { ptr, i64, i64 }, ptr %a2
   %t16 = load %S.ast.Type, ptr %a3
-  %t17 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1625, i64 3, i64 0 })
+  %t17 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1698, i64 3, i64 0 })
   %t18 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t14, { ptr, i64, i64 } %t15, %S.ast.Type %t16, %S.ast.Type %t17)
-  store { ptr, i64, i64 } { ptr @.str.1624, i64 4, i64 0 }, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a21
-  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  call void @finch.gen.printf(ptr %t13, { ptr, i64, i64 } { ptr @.str.1623, i64 4, i64 0 }, { ptr, i64, i64 } %t22)
-  br label %endif2650
-else2649:
-  %t23 = load %S.ast.Type, ptr %a3
-  %t24 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t23)
-  br i1 %t24, label %then2651, label %else2652
-then2651:
-  %t25 = load ptr, ptr %a1
-  %t26 = load ptr, ptr %a1
-  %t27 = load { ptr, i64, i64 }, ptr %a2
-  %t28 = load %S.ast.Type, ptr %a3
-  %t29 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1628, i64 3, i64 0 })
-  %t30 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t26, { ptr, i64, i64 } %t27, %S.ast.Type %t28, %S.ast.Type %t29)
-  store { ptr, i64, i64 } { ptr @.str.1627, i64 4, i64 0 }, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  call void @finch.gen.printf(ptr %t25, { ptr, i64, i64 } { ptr @.str.1626, i64 4, i64 0 }, { ptr, i64, i64 } %t34)
-  br label %endif2653
-else2652:
-  %t35 = load %S.ast.Type, ptr %a3
-  %t36 = call i1 @finch.gen.isFloat(%S.ast.Type %t35)
-  br i1 %t36, label %then2654, label %else2655
-then2654:
-  %t37 = load ptr, ptr %a1
-  %t38 = load ptr, ptr %a1
-  %t39 = load { ptr, i64, i64 }, ptr %a2
-  %t40 = load %S.ast.Type, ptr %a3
-  %t41 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1631, i64 5, i64 0 })
-  %t42 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t38, { ptr, i64, i64 } %t39, %S.ast.Type %t40, %S.ast.Type %t41)
-  store { ptr, i64, i64 } { ptr @.str.1630, i64 7, i64 0 }, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.printf(ptr %t37, { ptr, i64, i64 } { ptr @.str.1629, i64 2, i64 0 }, { ptr, i64, i64 } %t46)
-  br label %endif2656
-else2655:
-  %t47 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.1632, i64 4, i64 0 }, ptr %a49
-  %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
-  %t51 = icmp ne i32 %t50, 0
-  br i1 %t51, label %then2657, label %else2658
-then2657:
-  %t52 = load ptr, ptr %a1
-  %t53 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1633, i64 8, i64 0 }, ptr %a55
-  store { ptr, i64, i64 } %t53, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t57, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.1634, i64 7, i64 0 }, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = call { ptr, i64, i64 } @finch.gen.op(ptr %t52, { ptr, i64, i64 } %t61)
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = load i1, ptr %a4
-  br i1 %t64, label %then2660, label %else2661
-then2660:
-  %t65 = load ptr, ptr %a1
+  store %S.ast.Type %t17, ptr %a19
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  store { ptr, i64, i64 } { ptr @.str.1697, i64 4, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  call void @finch.gen.printf(ptr %t13, { ptr, i64, i64 } { ptr @.str.1696, i64 4, i64 0 }, { ptr, i64, i64 } %t24)
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  br label %endif2831
+else2830:
+  %t26 = load %S.ast.Type, ptr %a3
+  %t27 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t26)
+  br i1 %t27, label %then2832, label %else2833
+then2832:
+  %t28 = load ptr, ptr %a1
+  %t29 = load ptr, ptr %a1
+  %t30 = load { ptr, i64, i64 }, ptr %a2
+  %t31 = load %S.ast.Type, ptr %a3
+  %t32 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1701, i64 3, i64 0 })
+  %t33 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t29, { ptr, i64, i64 } %t30, %S.ast.Type %t31, %S.ast.Type %t32)
+  store %S.ast.Type %t32, ptr %a34
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  store { ptr, i64, i64 } { ptr @.str.1700, i64 4, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  call void @finch.gen.printf(ptr %t28, { ptr, i64, i64 } { ptr @.str.1699, i64 4, i64 0 }, { ptr, i64, i64 } %t39)
+  store { ptr, i64, i64 } %t39, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  br label %endif2834
+else2833:
+  %t41 = load %S.ast.Type, ptr %a3
+  %t42 = call i1 @finch.gen.isFloat(%S.ast.Type %t41)
+  br i1 %t42, label %then2835, label %else2836
+then2835:
+  %t43 = load ptr, ptr %a1
+  %t44 = load ptr, ptr %a1
+  %t45 = load { ptr, i64, i64 }, ptr %a2
+  %t46 = load %S.ast.Type, ptr %a3
+  %t47 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1704, i64 5, i64 0 })
+  %t48 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t44, { ptr, i64, i64 } %t45, %S.ast.Type %t46, %S.ast.Type %t47)
+  store %S.ast.Type %t47, ptr %a49
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  store { ptr, i64, i64 } { ptr @.str.1703, i64 7, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  call void @finch.gen.printf(ptr %t43, { ptr, i64, i64 } { ptr @.str.1702, i64 2, i64 0 }, { ptr, i64, i64 } %t54)
+  store { ptr, i64, i64 } %t54, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  br label %endif2837
+else2836:
+  %t56 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t56, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.1705, i64 4, i64 0 }, ptr %a58
+  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
+  %t60 = icmp ne i32 %t59, 0
+  br i1 %t60, label %then2838, label %else2839
+then2838:
+  %t61 = load ptr, ptr %a1
+  %t62 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1706, i64 8, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
   %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1636, i64 4, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1707, i64 7, i64 0 }, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  call void @finch.gen.printf(ptr %t65, { ptr, i64, i64 } { ptr @.str.1635, i64 4, i64 0 }, { ptr, i64, i64 } %t70)
-  br label %endif2662
-else2661:
-  %t71 = load ptr, ptr %a1
-  %t72 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1638, i64 4, i64 0 }, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  call void @finch.gen.printf(ptr %t71, { ptr, i64, i64 } { ptr @.str.1637, i64 2, i64 0 }, { ptr, i64, i64 } %t76)
-  br label %endif2662
-endif2662:
-  br label %endif2659
-else2658:
-  %t77 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.1639, i64 4, i64 0 }, ptr %a79
-  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
-  %t81 = icmp ne i32 %t80, 0
-  br i1 %t81, label %then2663, label %else2664
-then2663:
-  %t82 = load ptr, ptr %a1
-  %t83 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t82, { ptr, i64, i64 } { ptr @.str.1640, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t83, ptr %a84
-  %t85 = load ptr, ptr %a1
-  %t86 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t85, { ptr, i64, i64 } { ptr @.str.1641, i64 5, i64 0 })
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = load ptr, ptr %a1
-  %t89 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1642, i64 10, i64 0 }, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.1643, i64 6, i64 0 }, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  %t98 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t97, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  store { ptr, i64, i64 } %t102, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.1644, i64 6, i64 0 }, ptr %a105
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = call { ptr, i64, i64 } @finch.gen.op(ptr %t61, { ptr, i64, i64 } %t71)
+  store { ptr, i64, i64 } %t71, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t72, ptr %a74
+  %t75 = load i1, ptr %a4
+  br i1 %t75, label %then2841, label %else2842
+then2841:
+  %t76 = load ptr, ptr %a1
+  %t77 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1709, i64 4, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  %t81 = load { ptr, i64, i64 }, ptr %a78
+  call void @finch.gen.printf(ptr %t76, { ptr, i64, i64 } { ptr @.str.1708, i64 4, i64 0 }, { ptr, i64, i64 } %t81)
+  store { ptr, i64, i64 } %t81, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  br label %endif2843
+else2842:
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1711, i64 4, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a85
+  call void @finch.gen.printf(ptr %t83, { ptr, i64, i64 } { ptr @.str.1710, i64 2, i64 0 }, { ptr, i64, i64 } %t88)
+  store { ptr, i64, i64 } %t88, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  br label %endif2843
+endif2843:
+  call void @finch_str_drop(ptr %a74)
+  br label %endif2840
+else2839:
+  %t90 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t90, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.1712, i64 4, i64 0 }, ptr %a92
+  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
+  %t94 = icmp ne i32 %t93, 0
+  br i1 %t94, label %then2844, label %else2845
+then2844:
+  %t95 = load ptr, ptr %a1
+  %t96 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t95, { ptr, i64, i64 } { ptr @.str.1713, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t96, ptr %a97
+  %t98 = load ptr, ptr %a1
+  %t99 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t98, { ptr, i64, i64 } { ptr @.str.1714, i64 5, i64 0 })
+  store { ptr, i64, i64 } %t99, ptr %a100
+  %t101 = load ptr, ptr %a1
+  %t102 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1715, i64 10, i64 0 }, ptr %a104
+  store { ptr, i64, i64 } %t102, ptr %a105
   call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
   %t106 = load { ptr, i64, i64 }, ptr %a103
-  %t107 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t106, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  %t112 = call { ptr, i64, i64 } @finch.gen.op(ptr %t88, { ptr, i64, i64 } %t111)
-  store { ptr, i64, i64 } %t112, ptr %a113
-  %t114 = load ptr, ptr %a1
-  %t115 = load { ptr, i64, i64 }, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.1646, i64 4, i64 0 }, ptr %a117
-  store { ptr, i64, i64 } %t115, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  call void @finch.gen.printf(ptr %t114, { ptr, i64, i64 } { ptr @.str.1645, i64 2, i64 0 }, { ptr, i64, i64 } %t119)
-  br label %endif2665
-else2664:
-  %t120 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t120, ptr %a121
-  store { ptr, i64, i64 } { ptr @.str.1647, i64 3, i64 0 }, ptr %a122
-  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
-  %t124 = icmp ne i32 %t123, 0
-  br i1 %t124, label %then2666, label %else2667
-then2666:
-  %t125 = load ptr, ptr %a1
-  %t126 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1648, i64 31, i64 0 }, ptr %a128
-  store { ptr, i64, i64 } %t126, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t130, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.1649, i64 3, i64 0 }, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  %t135 = call { ptr, i64, i64 } @finch.gen.op(ptr %t125, { ptr, i64, i64 } %t134)
-  store { ptr, i64, i64 } %t135, ptr %a136
-  %t137 = load ptr, ptr %a1
-  %t138 = load { ptr, i64, i64 }, ptr %a136
-  store { ptr, i64, i64 } { ptr @.str.1650, i64 10, i64 0 }, ptr %a140
-  store { ptr, i64, i64 } %t138, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  store { ptr, i64, i64 } %t142, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.1651, i64 7, i64 0 }, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  %t147 = call { ptr, i64, i64 } @finch.gen.op(ptr %t137, { ptr, i64, i64 } %t146)
-  store { ptr, i64, i64 } %t147, ptr %a148
-  %t149 = load ptr, ptr %a1
-  %t150 = load { ptr, i64, i64 }, ptr %a2
-  %t151 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t149, { ptr, i64, i64 } %t150)
-  store { ptr, i64, i64 } %t151, ptr %a152
-  %t153 = load i1, ptr %a4
-  br i1 %t153, label %then2669, label %else2670
-then2669:
-  %t154 = load ptr, ptr %a1
-  %t155 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.1653, i64 4, i64 0 }, ptr %a157
-  store { ptr, i64, i64 } %t155, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } %t159, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.1654, i64 6, i64 0 }, ptr %a162
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.1716, i64 6, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t111, ptr %a114
+  store { ptr, i64, i64 } %t112, ptr %a115
+  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
+  store { ptr, i64, i64 } %t111, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  %t117 = load { ptr, i64, i64 }, ptr %a113
+  store { ptr, i64, i64 } %t117, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.1717, i64 6, i64 0 }, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  %t123 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t122, ptr %a125
+  store { ptr, i64, i64 } %t123, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t122, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = call { ptr, i64, i64 } @finch.gen.op(ptr %t101, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t128, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  store { ptr, i64, i64 } %t129, ptr %a131
+  %t132 = load ptr, ptr %a1
+  %t133 = load { ptr, i64, i64 }, ptr %a131
+  store { ptr, i64, i64 } { ptr @.str.1719, i64 4, i64 0 }, ptr %a135
+  store { ptr, i64, i64 } %t133, ptr %a136
+  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a134
+  call void @finch.gen.printf(ptr %t132, { ptr, i64, i64 } { ptr @.str.1718, i64 2, i64 0 }, { ptr, i64, i64 } %t137)
+  store { ptr, i64, i64 } %t137, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  call void @finch_str_drop(ptr %a131)
+  call void @finch_str_drop(ptr %a100)
+  call void @finch_str_drop(ptr %a97)
+  br label %endif2846
+else2845:
+  %t139 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t139, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.1720, i64 3, i64 0 }, ptr %a141
+  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
+  %t143 = icmp ne i32 %t142, 0
+  br i1 %t143, label %then2847, label %else2848
+then2847:
+  %t144 = load ptr, ptr %a1
+  %t145 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1721, i64 31, i64 0 }, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  %t149 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t149, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.1722, i64 3, i64 0 }, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  store { ptr, i64, i64 } %t149, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  %t155 = call { ptr, i64, i64 } @finch.gen.op(ptr %t144, { ptr, i64, i64 } %t154)
+  store { ptr, i64, i64 } %t154, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  store { ptr, i64, i64 } %t155, ptr %a157
+  %t158 = load ptr, ptr %a1
+  %t159 = load { ptr, i64, i64 }, ptr %a157
+  store { ptr, i64, i64 } { ptr @.str.1723, i64 10, i64 0 }, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a162
   call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
   %t163 = load { ptr, i64, i64 }, ptr %a160
-  %t164 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } %t163, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
-  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  call void @finch.gen.printf(ptr %t154, { ptr, i64, i64 } { ptr @.str.1652, i64 6, i64 0 }, { ptr, i64, i64 } %t168)
-  br label %endif2671
-else2670:
-  %t169 = load ptr, ptr %a1
-  %t170 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.1656, i64 4, i64 0 }, ptr %a172
-  store { ptr, i64, i64 } %t170, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  store { ptr, i64, i64 } %t174, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.1657, i64 6, i64 0 }, ptr %a177
-  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  %t179 = load { ptr, i64, i64 }, ptr %a152
+  store { ptr, i64, i64 } %t163, ptr %a165
+  store { ptr, i64, i64 } { ptr @.str.1724, i64 7, i64 0 }, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t163, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  %t169 = call { ptr, i64, i64 } @finch.gen.op(ptr %t158, { ptr, i64, i64 } %t168)
+  store { ptr, i64, i64 } %t168, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  store { ptr, i64, i64 } %t169, ptr %a171
+  %t172 = load ptr, ptr %a1
+  %t173 = load { ptr, i64, i64 }, ptr %a2
+  %t174 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t172, { ptr, i64, i64 } %t173)
+  store { ptr, i64, i64 } %t174, ptr %a175
+  %t176 = load i1, ptr %a4
+  br i1 %t176, label %then2850, label %else2851
+then2850:
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.1726, i64 4, i64 0 }, ptr %a180
   store { ptr, i64, i64 } %t178, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  call void @finch.gen.printf(ptr %t169, { ptr, i64, i64 } { ptr @.str.1655, i64 4, i64 0 }, { ptr, i64, i64 } %t183)
-  br label %endif2671
-endif2671:
-  br label %endif2668
-else2667:
-  %t184 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t184, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.1658, i64 3, i64 0 }, ptr %a186
-  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
-  %t188 = icmp ne i32 %t187, 0
-  br i1 %t188, label %then2672, label %else2673
-then2672:
-  %t189 = load ptr, ptr %a1
-  %t190 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1659, i64 12, i64 0 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.1660, i64 6, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t189, { ptr, i64, i64 } %t198)
-  store { ptr, i64, i64 } %t199, ptr %a200
-  %t201 = load ptr, ptr %a1
-  %t202 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t201, { ptr, i64, i64 } { ptr @.str.1661, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t202, ptr %a203
-  %t204 = load ptr, ptr %a1
-  %t205 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t204, { ptr, i64, i64 } { ptr @.str.1662, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t205, ptr %a206
-  %t207 = load ptr, ptr %a1
-  %t208 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t207, { ptr, i64, i64 } { ptr @.str.1663, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load ptr, ptr %a1
-  %t211 = load { ptr, i64, i64 }, ptr %a200
-  %t212 = load { ptr, i64, i64 }, ptr %a203
-  %t213 = load { ptr, i64, i64 }, ptr %a206
-  call void @finch.gen.condBr(ptr %t210, { ptr, i64, i64 } %t211, { ptr, i64, i64 } %t212, { ptr, i64, i64 } %t213)
-  %t214 = load ptr, ptr %a1
-  %t215 = load { ptr, i64, i64 }, ptr %a203
-  call void @finch.gen.label(ptr %t214, { ptr, i64, i64 } %t215)
-  %t216 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t216, { ptr, i64, i64 } { ptr @.str.1664, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1665, i64 0, i64 0 })
-  %t217 = load ptr, ptr %a1
-  %t218 = load { ptr, i64, i64 }, ptr %a209
-  call void @finch.gen.br(ptr %t217, { ptr, i64, i64 } %t218)
-  %t219 = load ptr, ptr %a1
-  %t220 = load { ptr, i64, i64 }, ptr %a206
-  call void @finch.gen.label(ptr %t219, { ptr, i64, i64 } %t220)
-  %t221 = load ptr, ptr %a1
-  %t222 = load ptr, ptr %a1
-  %t223 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1668, i64 13, i64 0 }, ptr %a225
-  store { ptr, i64, i64 } %t223, ptr %a226
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.1727, i64 6, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = load { ptr, i64, i64 }, ptr %a175
+  store { ptr, i64, i64 } %t187, ptr %a190
+  store { ptr, i64, i64 } %t188, ptr %a191
+  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
+  store { ptr, i64, i64 } %t187, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch.gen.printf(ptr %t177, { ptr, i64, i64 } { ptr @.str.1725, i64 6, i64 0 }, { ptr, i64, i64 } %t193)
+  store { ptr, i64, i64 } %t193, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  br label %endif2852
+else2851:
+  %t195 = load ptr, ptr %a1
+  %t196 = load { ptr, i64, i64 }, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.1729, i64 4, i64 0 }, ptr %a198
+  store { ptr, i64, i64 } %t196, ptr %a199
+  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
+  %t200 = load { ptr, i64, i64 }, ptr %a197
+  store { ptr, i64, i64 } %t200, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.1730, i64 6, i64 0 }, ptr %a203
+  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
+  store { ptr, i64, i64 } %t200, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a201
+  %t206 = load { ptr, i64, i64 }, ptr %a175
+  store { ptr, i64, i64 } %t205, ptr %a208
+  store { ptr, i64, i64 } %t206, ptr %a209
+  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
+  store { ptr, i64, i64 } %t205, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  %t211 = load { ptr, i64, i64 }, ptr %a207
+  call void @finch.gen.printf(ptr %t195, { ptr, i64, i64 } { ptr @.str.1728, i64 4, i64 0 }, { ptr, i64, i64 } %t211)
+  store { ptr, i64, i64 } %t211, ptr %a212
+  call void @finch_str_drop(ptr %a212)
+  br label %endif2852
+endif2852:
+  call void @finch_str_drop(ptr %a175)
+  call void @finch_str_drop(ptr %a171)
+  call void @finch_str_drop(ptr %a157)
+  br label %endif2849
+else2848:
+  %t213 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.1731, i64 3, i64 0 }, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br i1 %t217, label %then2853, label %else2854
+then2853:
+  %t218 = load ptr, ptr %a1
+  %t219 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1732, i64 12, i64 0 }, ptr %a221
+  store { ptr, i64, i64 } %t219, ptr %a222
+  call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a220
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.1733, i64 6, i64 0 }, ptr %a226
   call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t227, ptr %a229
-  store { ptr, i64, i64 } { ptr @.str.1669, i64 7, i64 0 }, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = call { ptr, i64, i64 } @finch.gen.op(ptr %t222, { ptr, i64, i64 } %t231)
-  store { ptr, i64, i64 } { ptr @.str.1667, i64 4, i64 0 }, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  call void @finch.gen.printf(ptr %t221, { ptr, i64, i64 } { ptr @.str.1666, i64 6, i64 0 }, { ptr, i64, i64 } %t236)
-  %t237 = load ptr, ptr %a1
-  %t238 = load { ptr, i64, i64 }, ptr %a209
-  call void @finch.gen.br(ptr %t237, { ptr, i64, i64 } %t238)
-  %t239 = load ptr, ptr %a1
-  %t240 = load { ptr, i64, i64 }, ptr %a209
-  call void @finch.gen.label(ptr %t239, { ptr, i64, i64 } %t240)
-  br label %endif2674
-else2673:
-  %t241 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t241, ptr %a242
-  store { ptr, i64, i64 } { ptr @.str.1670, i64 4, i64 0 }, ptr %a243
-  %t244 = call i32 @finch_str_eq(ptr %a242, ptr %a243)
-  %t245 = icmp ne i32 %t244, 0
-  br i1 %t245, label %then2675, label %else2676
-then2675:
-  %t246 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t246, { ptr, i64, i64 } { ptr @.str.1671, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1672, i64 0, i64 0 })
-  br label %endif2677
-else2676:
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t218, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t228, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  store { ptr, i64, i64 } %t229, ptr %a231
+  %t232 = load ptr, ptr %a1
+  %t233 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t232, { ptr, i64, i64 } { ptr @.str.1734, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t233, ptr %a234
+  %t235 = load ptr, ptr %a1
+  %t236 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t235, { ptr, i64, i64 } { ptr @.str.1735, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t236, ptr %a237
+  %t238 = load ptr, ptr %a1
+  %t239 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t238, { ptr, i64, i64 } { ptr @.str.1736, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t239, ptr %a240
+  %t241 = load ptr, ptr %a1
+  %t242 = load { ptr, i64, i64 }, ptr %a231
+  %t243 = load { ptr, i64, i64 }, ptr %a234
+  %t244 = load { ptr, i64, i64 }, ptr %a237
+  call void @finch.gen.condBr(ptr %t241, { ptr, i64, i64 } %t242, { ptr, i64, i64 } %t243, { ptr, i64, i64 } %t244)
+  %t245 = load ptr, ptr %a1
+  %t246 = load { ptr, i64, i64 }, ptr %a234
+  call void @finch.gen.label(ptr %t245, { ptr, i64, i64 } %t246)
   %t247 = load ptr, ptr %a1
-  %t248 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t247, { ptr, i64, i64 } { ptr @.str.1673, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t248, ptr %a249
+  call void @finch.gen.printf(ptr %t247, { ptr, i64, i64 } { ptr @.str.1737, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1738, i64 0, i64 0 })
+  %t248 = load ptr, ptr %a1
+  %t249 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.br(ptr %t248, { ptr, i64, i64 } %t249)
   %t250 = load ptr, ptr %a1
-  %t251 = load { ptr, i64, i64 }, ptr %a249
-  call void @finch.gen.store(ptr %t250, { ptr, i64, i64 } { ptr @.str.1674, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.1675, i64 15, i64 0 }, { ptr, i64, i64 } %t251)
+  %t251 = load { ptr, i64, i64 }, ptr %a237
+  call void @finch.gen.label(ptr %t250, { ptr, i64, i64 } %t251)
   %t252 = load ptr, ptr %a1
-  %t253 = load { ptr, i64, i64 }, ptr %a249
+  %t253 = load ptr, ptr %a1
   %t254 = load { ptr, i64, i64 }, ptr %a2
-  %t255 = load %S.ast.Type, ptr %a3
-  %t256 = load i1, ptr %a4
-  call void @finch.gen.emitFormat(ptr %t252, { ptr, i64, i64 } %t253, { ptr, i64, i64 } %t254, %S.ast.Type %t255, i1 %t256)
-  %t257 = load ptr, ptr %a1
-  %t258 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.1676, i64 31, i64 0 }, ptr %a260
-  store { ptr, i64, i64 } %t258, ptr %a261
+  store { ptr, i64, i64 } { ptr @.str.1741, i64 13, i64 0 }, ptr %a256
+  store { ptr, i64, i64 } %t254, ptr %a257
+  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
+  %t258 = load { ptr, i64, i64 }, ptr %a255
+  store { ptr, i64, i64 } %t258, ptr %a260
+  store { ptr, i64, i64 } { ptr @.str.1742, i64 7, i64 0 }, ptr %a261
   call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.1677, i64 1, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  call void @finch.gen.emit(ptr %t257, { ptr, i64, i64 } %t266)
-  br label %endif2677
-endif2677:
-  br label %endif2674
-endif2674:
-  br label %endif2668
-endif2668:
-  br label %endif2665
-endif2665:
-  br label %endif2659
-endif2659:
-  br label %endif2656
-endif2656:
-  br label %endif2653
-endif2653:
-  br label %endif2650
-endif2650:
+  store { ptr, i64, i64 } %t258, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  %t263 = load { ptr, i64, i64 }, ptr %a259
+  %t264 = call { ptr, i64, i64 } @finch.gen.op(ptr %t253, { ptr, i64, i64 } %t263)
+  store { ptr, i64, i64 } %t263, ptr %a265
+  call void @finch_str_drop(ptr %a265)
+  store { ptr, i64, i64 } { ptr @.str.1740, i64 4, i64 0 }, ptr %a267
+  store { ptr, i64, i64 } %t264, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t264, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  call void @finch.gen.printf(ptr %t252, { ptr, i64, i64 } { ptr @.str.1739, i64 6, i64 0 }, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  %t272 = load ptr, ptr %a1
+  %t273 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.br(ptr %t272, { ptr, i64, i64 } %t273)
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.label(ptr %t274, { ptr, i64, i64 } %t275)
+  call void @finch_str_drop(ptr %a240)
+  call void @finch_str_drop(ptr %a237)
+  call void @finch_str_drop(ptr %a234)
+  call void @finch_str_drop(ptr %a231)
+  br label %endif2855
+else2854:
+  %t276 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t276, ptr %a277
+  store { ptr, i64, i64 } { ptr @.str.1743, i64 4, i64 0 }, ptr %a278
+  %t279 = call i32 @finch_str_eq(ptr %a277, ptr %a278)
+  %t280 = icmp ne i32 %t279, 0
+  br i1 %t280, label %then2856, label %else2857
+then2856:
+  %t281 = load ptr, ptr %a1
+  call void @finch.gen.printf(ptr %t281, { ptr, i64, i64 } { ptr @.str.1744, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1745, i64 0, i64 0 })
+  br label %endif2858
+else2857:
+  %t282 = load ptr, ptr %a1
+  %t283 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t282, { ptr, i64, i64 } { ptr @.str.1746, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t283, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = load { ptr, i64, i64 }, ptr %a284
+  call void @finch.gen.store(ptr %t285, { ptr, i64, i64 } { ptr @.str.1747, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.1748, i64 15, i64 0 }, { ptr, i64, i64 } %t286)
+  %t287 = load ptr, ptr %a1
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = load { ptr, i64, i64 }, ptr %a2
+  %t290 = load %S.ast.Type, ptr %a3
+  %t291 = load i1, ptr %a4
+  call void @finch.gen.emitFormat(ptr %t287, { ptr, i64, i64 } %t288, { ptr, i64, i64 } %t289, %S.ast.Type %t290, i1 %t291)
+  %t292 = load ptr, ptr %a1
+  %t293 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } { ptr @.str.1749, i64 31, i64 0 }, ptr %a295
+  store { ptr, i64, i64 } %t293, ptr %a296
+  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a294
+  store { ptr, i64, i64 } %t297, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.1750, i64 1, i64 0 }, ptr %a300
+  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
+  store { ptr, i64, i64 } %t297, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a298
+  call void @finch.gen.emit(ptr %t292, { ptr, i64, i64 } %t302)
+  store { ptr, i64, i64 } %t302, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  call void @finch_str_drop(ptr %a284)
+  br label %endif2858
+endif2858:
+  br label %endif2855
+endif2855:
+  br label %endif2849
+endif2849:
+  br label %endif2846
+endif2846:
+  br label %endif2840
+endif2840:
+  br label %endif2837
+endif2837:
+  br label %endif2834
+endif2834:
+  br label %endif2831
+endif2831:
+  call void @finch_str_drop(ptr %a10)
   ret void
 }
 
@@ -26985,56 +31639,80 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1678, i64 29, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.1751, i64 29, i64 0 }, ptr %a7
   store { ptr, i64, i64 } %t5, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
   %t9 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t9, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1679, i64 6, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1752, i64 6, i64 0 }, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  %t14 = load ptr, ptr %a1
-  %t15 = load { ptr, i64, i64 }, ptr %a3
-  %t16 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t14, { ptr, i64, i64 } %t15)
-  store { ptr, i64, i64 } %t13, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.1680, i64 6, i64 0 }, ptr %a23
-  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t26 = load i64, ptr %t25
-  call void @finch_str_from_int(ptr %a27, i64 %t26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t24, ptr %a30
-  store { ptr, i64, i64 } %t28, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.1681, i64 1, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } %t9, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  %t15 = load ptr, ptr %a1
+  %t16 = load { ptr, i64, i64 }, ptr %a3
+  %t17 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t15, { ptr, i64, i64 } %t16)
+  store { ptr, i64, i64 } %t14, ptr %a19
+  store { ptr, i64, i64 } %t17, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t14, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  store { ptr, i64, i64 } %t17, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.1753, i64 6, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t28, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
   call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  call void @finch.gen.emit(ptr %t4, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t28, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t38, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.1754, i64 1, i64 0 }, ptr %a41
+  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.emit(ptr %t4, { ptr, i64, i64 } %t43)
+  store { ptr, i64, i64 } %t43, ptr %a44
+  call void @finch_str_drop(ptr %a44)
   ret void
 }
 
@@ -27049,144 +31727,197 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.ast.Type, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca %S.ast.Type, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca %S.ast.Type, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca %S.ast.Type, align 16
-  %a179 = alloca %S.ast.Type, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca %S.ast.Type, align 16
+  %a213 = alloca %S.ast.Type, align 16
+  %a217 = alloca %S.gen.Val, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca %S.ast.Type, align 16
-  %a259 = alloca %S.ast.Type, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
   %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca %S.ast.Type, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a312 = alloca %S.gen.Val, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -27198,328 +31929,437 @@ entry:
   call void @finch_str_copy(ptr %a9, ptr %a8)
   %t10 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1682, i64 1, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1755, i64 1, i64 0 }, ptr %a12
   %t13 = load i1, ptr %a5
-  br i1 %t13, label %then2678, label %endif2680
-then2678:
-  store { ptr, i64, i64 } { ptr @.str.1683, i64 1, i64 0 }, ptr %a12
-  br label %endif2680
-endif2680:
-  %t14 = load %S.ast.Type, ptr %a4
-  %t15 = call i1 @finch.gen.isSigned(%S.ast.Type %t14)
-  br i1 %t15, label %then2681, label %else2682
-then2681:
-  %t16 = load ptr, ptr %a1
-  %t17 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1684, i64 29, i64 0 }, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1685, i64 6, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load ptr, ptr %a1
-  %t27 = load { ptr, i64, i64 }, ptr %a3
-  %t28 = load %S.ast.Type, ptr %a4
-  %t29 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1686, i64 3, i64 0 })
-  %t30 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t26, { ptr, i64, i64 } %t27, %S.ast.Type %t28, %S.ast.Type %t29)
-  store { ptr, i64, i64 } %t25, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.1687, i64 1, i64 0 }, ptr %a37
+  br i1 %t13, label %then2859, label %endif2861
+then2859:
+  %t14 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1756, i64 1, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } %t14, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  br label %endif2861
+endif2861:
+  %t16 = load %S.ast.Type, ptr %a4
+  %t17 = call i1 @finch.gen.isSigned(%S.ast.Type %t16)
+  br i1 %t17, label %then2862, label %else2863
+then2862:
+  %t18 = load ptr, ptr %a1
+  %t19 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1757, i64 29, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } %t19, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a20
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.1758, i64 6, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  %t29 = load ptr, ptr %a1
+  %t30 = load { ptr, i64, i64 }, ptr %a3
+  %t31 = load %S.ast.Type, ptr %a4
+  %t32 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1759, i64 3, i64 0 })
+  %t33 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t29, { ptr, i64, i64 } %t30, %S.ast.Type %t31, %S.ast.Type %t32)
+  store %S.ast.Type %t32, ptr %a34
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  store { ptr, i64, i64 } %t28, ptr %a36
+  store { ptr, i64, i64 } %t33, ptr %a37
   call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  call void @finch.gen.emit(ptr %t16, { ptr, i64, i64 } %t38)
-  br label %endif2683
-else2682:
-  %t39 = load %S.ast.Type, ptr %a4
-  %t40 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t39)
-  br i1 %t40, label %then2684, label %else2685
-then2684:
-  %t41 = load ptr, ptr %a1
-  %t42 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1688, i64 30, i64 0 }, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.1689, i64 6, i64 0 }, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  %t51 = load ptr, ptr %a1
-  %t52 = load { ptr, i64, i64 }, ptr %a3
-  %t53 = load %S.ast.Type, ptr %a4
-  %t54 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1690, i64 3, i64 0 })
-  %t55 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t51, { ptr, i64, i64 } %t52, %S.ast.Type %t53, %S.ast.Type %t54)
-  store { ptr, i64, i64 } %t50, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.1691, i64 1, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.emit(ptr %t41, { ptr, i64, i64 } %t63)
-  br label %endif2686
-else2685:
-  %t64 = load %S.ast.Type, ptr %a4
-  %t65 = call i1 @finch.gen.isFloat(%S.ast.Type %t64)
-  br i1 %t65, label %then2687, label %else2688
-then2687:
-  %t66 = load ptr, ptr %a1
-  %t67 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1692, i64 31, i64 0 }, ptr %a69
-  store { ptr, i64, i64 } %t67, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t28, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t33, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1760, i64 1, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  call void @finch.gen.emit(ptr %t18, { ptr, i64, i64 } %t45)
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  br label %endif2864
+else2863:
+  %t47 = load %S.ast.Type, ptr %a4
+  %t48 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t47)
+  br i1 %t48, label %then2865, label %else2866
+then2865:
+  %t49 = load ptr, ptr %a1
+  %t50 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1761, i64 30, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.1762, i64 6, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  %t60 = load ptr, ptr %a1
+  %t61 = load { ptr, i64, i64 }, ptr %a3
+  %t62 = load %S.ast.Type, ptr %a4
+  %t63 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1763, i64 3, i64 0 })
+  %t64 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t60, { ptr, i64, i64 } %t61, %S.ast.Type %t62, %S.ast.Type %t63)
+  store %S.ast.Type %t63, ptr %a65
+  call void @finch.drop.S_ast_Type(ptr %a65)
+  store { ptr, i64, i64 } %t59, ptr %a67
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
+  store { ptr, i64, i64 } %t59, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  store { ptr, i64, i64 } %t64, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a66
   store { ptr, i64, i64 } %t71, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.1693, i64 9, i64 0 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1764, i64 1, i64 0 }, ptr %a74
   call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
-  %t75 = load { ptr, i64, i64 }, ptr %a72
-  %t76 = load ptr, ptr %a1
-  %t77 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.emit(ptr %t49, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  br label %endif2867
+else2866:
   %t78 = load %S.ast.Type, ptr %a4
-  %t79 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1694, i64 5, i64 0 })
-  %t80 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t76, { ptr, i64, i64 } %t77, %S.ast.Type %t78, %S.ast.Type %t79)
-  store { ptr, i64, i64 } %t75, ptr %a82
-  store { ptr, i64, i64 } %t80, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t84, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.1695, i64 1, i64 0 }, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  call void @finch.gen.emit(ptr %t66, { ptr, i64, i64 } %t88)
-  br label %endif2689
-else2688:
-  %t89 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1696, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then2690, label %else2691
-then2690:
-  %t94 = load ptr, ptr %a1
-  %t95 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1697, i64 30, i64 0 }, ptr %a97
-  store { ptr, i64, i64 } %t95, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1698, i64 5, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t103, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.1699, i64 6, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t112, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.1700, i64 1, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  call void @finch.gen.emit(ptr %t94, { ptr, i64, i64 } %t121)
-  br label %endif2692
-else2691:
-  %t122 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t122, ptr %a123
-  store { ptr, i64, i64 } { ptr @.str.1701, i64 4, i64 0 }, ptr %a124
-  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
-  %t126 = icmp ne i32 %t125, 0
-  br i1 %t126, label %then2693, label %else2694
-then2693:
-  %t127 = load ptr, ptr %a1
-  %t128 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1702, i64 30, i64 0 }, ptr %a130
-  store { ptr, i64, i64 } %t128, ptr %a131
-  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
-  %t132 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t132, ptr %a134
-  store { ptr, i64, i64 } { ptr @.str.1703, i64 6, i64 0 }, ptr %a135
-  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
-  %t136 = load { ptr, i64, i64 }, ptr %a133
-  %t137 = load ptr, ptr %a1
-  %t138 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1704, i64 8, i64 0 }, ptr %a140
-  store { ptr, i64, i64 } %t138, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  store { ptr, i64, i64 } %t142, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.1705, i64 7, i64 0 }, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  %t147 = call { ptr, i64, i64 } @finch.gen.op(ptr %t137, { ptr, i64, i64 } %t146)
-  store { ptr, i64, i64 } %t136, ptr %a149
-  store { ptr, i64, i64 } %t147, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } %t151, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.1706, i64 1, i64 0 }, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  call void @finch.gen.emit(ptr %t127, { ptr, i64, i64 } %t155)
-  br label %endif2695
-else2694:
-  %t156 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t156, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.1707, i64 3, i64 0 }, ptr %a158
-  %t159 = call i32 @finch_str_eq(ptr %a157, ptr %a158)
-  %t160 = icmp ne i32 %t159, 0
-  br i1 %t160, label %then2696, label %else2697
-then2696:
-  %t161 = load ptr, ptr %a1
-  %t162 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1708, i64 29, i64 0 }, ptr %a164
-  store { ptr, i64, i64 } %t162, ptr %a165
-  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t166, ptr %a168
-  store { ptr, i64, i64 } { ptr @.str.1709, i64 6, i64 0 }, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  %t171 = load ptr, ptr %a1
-  %t172 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t172, ptr %a173
-  call void @finch_str_copy(ptr %a174, ptr %a173)
-  %t175 = load { ptr, i64, i64 }, ptr %a174
-  %t176 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t175, 0
-  %t177 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t177, ptr %a178
-  call void @finch.copy.S_ast_Type(ptr %a179, ptr %a178)
-  %t180 = load %S.ast.Type, ptr %a179
-  %t181 = insertvalue %S.gen.Val %t176, %S.ast.Type %t180, 1
-  %t182 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t171, %S.gen.Val %t181)
-  store { ptr, i64, i64 } %t170, ptr %a184
-  store { ptr, i64, i64 } %t182, ptr %a185
+  %t79 = call i1 @finch.gen.isFloat(%S.ast.Type %t78)
+  br i1 %t79, label %then2868, label %else2869
+then2868:
+  %t80 = load ptr, ptr %a1
+  %t81 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1765, i64 31, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.1766, i64 9, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = load ptr, ptr %a1
+  %t92 = load { ptr, i64, i64 }, ptr %a3
+  %t93 = load %S.ast.Type, ptr %a4
+  %t94 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1767, i64 5, i64 0 })
+  %t95 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t91, { ptr, i64, i64 } %t92, %S.ast.Type %t93, %S.ast.Type %t94)
+  store %S.ast.Type %t94, ptr %a96
+  call void @finch.drop.S_ast_Type(ptr %a96)
+  store { ptr, i64, i64 } %t90, ptr %a98
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  store { ptr, i64, i64 } %t90, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  store { ptr, i64, i64 } %t95, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t102, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.1768, i64 1, i64 0 }, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t102, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch.gen.emit(ptr %t80, { ptr, i64, i64 } %t107)
+  store { ptr, i64, i64 } %t107, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  br label %endif2870
+else2869:
+  %t109 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t109, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.1769, i64 4, i64 0 }, ptr %a111
+  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
+  %t113 = icmp ne i32 %t112, 0
+  br i1 %t113, label %then2871, label %else2872
+then2871:
+  %t114 = load ptr, ptr %a1
+  %t115 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1770, i64 30, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1771, i64 5, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t124, ptr %a127
+  store { ptr, i64, i64 } %t125, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t124, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  store { ptr, i64, i64 } %t130, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.1772, i64 6, i64 0 }, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t130, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  %t136 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t135, ptr %a138
+  store { ptr, i64, i64 } %t136, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t135, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t141, ptr %a143
+  store { ptr, i64, i64 } { ptr @.str.1773, i64 1, i64 0 }, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  call void @finch.gen.emit(ptr %t114, { ptr, i64, i64 } %t146)
+  store { ptr, i64, i64 } %t146, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  br label %endif2873
+else2872:
+  %t148 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t148, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.1774, i64 4, i64 0 }, ptr %a150
+  %t151 = call i32 @finch_str_eq(ptr %a149, ptr %a150)
+  %t152 = icmp ne i32 %t151, 0
+  br i1 %t152, label %then2874, label %else2875
+then2874:
+  %t153 = load ptr, ptr %a1
+  %t154 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1775, i64 30, i64 0 }, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t158, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.1776, i64 6, i64 0 }, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  store { ptr, i64, i64 } %t158, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = load { ptr, i64, i64 }, ptr %a159
+  %t164 = load ptr, ptr %a1
+  %t165 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.1777, i64 8, i64 0 }, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t169, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.1778, i64 7, i64 0 }, ptr %a172
+  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
+  store { ptr, i64, i64 } %t169, ptr %a173
+  call void @finch_str_drop(ptr %a173)
+  %t174 = load { ptr, i64, i64 }, ptr %a170
+  %t175 = call { ptr, i64, i64 } @finch.gen.op(ptr %t164, { ptr, i64, i64 } %t174)
+  store { ptr, i64, i64 } %t174, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  store { ptr, i64, i64 } %t163, ptr %a178
+  store { ptr, i64, i64 } %t175, ptr %a179
+  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
+  store { ptr, i64, i64 } %t163, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  store { ptr, i64, i64 } %t175, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a177
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.1779, i64 1, i64 0 }, ptr %a185
   call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t186, ptr %a188
-  store { ptr, i64, i64 } { ptr @.str.1710, i64 6, i64 0 }, ptr %a189
-  call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
-  %t190 = load { ptr, i64, i64 }, ptr %a187
-  %t191 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t190, ptr %a193
-  store { ptr, i64, i64 } %t191, ptr %a194
-  call void @finch_str_concat(ptr %a192, ptr %a193, ptr %a194)
-  %t195 = load { ptr, i64, i64 }, ptr %a192
-  store { ptr, i64, i64 } %t195, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.1711, i64 1, i64 0 }, ptr %a198
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  call void @finch.gen.emit(ptr %t153, { ptr, i64, i64 } %t187)
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch_str_drop(ptr %a188)
+  br label %endif2876
+else2875:
+  %t189 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t189, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.1780, i64 3, i64 0 }, ptr %a191
+  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
+  %t193 = icmp ne i32 %t192, 0
+  br i1 %t193, label %then2877, label %else2878
+then2877:
+  %t194 = load ptr, ptr %a1
+  %t195 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1781, i64 29, i64 0 }, ptr %a197
+  store { ptr, i64, i64 } %t195, ptr %a198
   call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
   %t199 = load { ptr, i64, i64 }, ptr %a196
-  call void @finch.gen.emit(ptr %t161, { ptr, i64, i64 } %t199)
-  br label %endif2698
-else2697:
-  %t200 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t200, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.1712, i64 3, i64 0 }, ptr %a202
-  %t203 = call i32 @finch_str_eq(ptr %a201, ptr %a202)
-  %t204 = icmp ne i32 %t203, 0
-  br label %logic.from2699
-logic.from2699:
-  br i1 %t204, label %logic.end2701, label %logic.rhs2700
-logic.rhs2700:
-  %t205 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t205, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.1713, i64 4, i64 0 }, ptr %a207
-  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
-  %t209 = icmp ne i32 %t208, 0
-  br label %logic.rend2702
-logic.rend2702:
-  br label %logic.end2701
-logic.end2701:
-  %t210 = phi i1 [ true, %logic.from2699 ], [ %t209, %logic.rend2702 ]
-  br i1 %t210, label %then2703, label %else2704
-then2703:
-  %t211 = load ptr, ptr %a1
-  %t212 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1714, i64 29, i64 0 }, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  store { ptr, i64, i64 } %t216, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.1715, i64 6, i64 0 }, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  %t221 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t220, ptr %a223
-  store { ptr, i64, i64 } %t221, ptr %a224
-  call void @finch_str_concat(ptr %a222, ptr %a223, ptr %a224)
-  %t225 = load { ptr, i64, i64 }, ptr %a222
-  store { ptr, i64, i64 } %t225, ptr %a227
-  store { ptr, i64, i64 } { ptr @.str.1716, i64 1, i64 0 }, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  call void @finch.gen.emit(ptr %t211, { ptr, i64, i64 } %t229)
-  br label %endif2705
-else2704:
-  %t230 = load ptr, ptr %a1
-  %t231 = load ptr, ptr %a1
-  %t232 = load %S.ast.Type, ptr %a4
-  %t233 = call { ptr, i64, i64 } @finch.gen.formatFn(ptr %t231, %S.ast.Type %t232)
-  store { ptr, i64, i64 } { ptr @.str.1717, i64 10, i64 0 }, ptr %a235
-  store { ptr, i64, i64 } %t233, ptr %a236
-  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  store { ptr, i64, i64 } %t237, ptr %a239
-  store { ptr, i64, i64 } { ptr @.str.1718, i64 5, i64 0 }, ptr %a240
-  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
-  %t241 = load { ptr, i64, i64 }, ptr %a238
-  %t242 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t241, ptr %a244
-  store { ptr, i64, i64 } %t242, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  store { ptr, i64, i64 } %t246, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.1719, i64 6, i64 0 }, ptr %a249
-  call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
-  %t250 = load { ptr, i64, i64 }, ptr %a247
-  %t251 = load ptr, ptr %a1
-  %t252 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t252, ptr %a253
-  call void @finch_str_copy(ptr %a254, ptr %a253)
-  %t255 = load { ptr, i64, i64 }, ptr %a254
-  %t256 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t255, 0
-  %t257 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t257, ptr %a258
-  call void @finch.copy.S_ast_Type(ptr %a259, ptr %a258)
-  %t260 = load %S.ast.Type, ptr %a259
-  %t261 = insertvalue %S.gen.Val %t256, %S.ast.Type %t260, 1
-  %t262 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t251, %S.gen.Val %t261)
-  store { ptr, i64, i64 } %t250, ptr %a264
+  store { ptr, i64, i64 } %t199, ptr %a201
+  store { ptr, i64, i64 } { ptr @.str.1782, i64 6, i64 0 }, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t199, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  %t204 = load { ptr, i64, i64 }, ptr %a200
+  %t205 = load ptr, ptr %a1
+  %t206 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t206, ptr %a207
+  call void @finch_str_copy(ptr %a208, ptr %a207)
+  %t209 = load { ptr, i64, i64 }, ptr %a208
+  %t210 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t209, 0
+  %t211 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t211, ptr %a212
+  call void @finch.copy.S_ast_Type(ptr %a213, ptr %a212)
+  %t214 = load %S.ast.Type, ptr %a213
+  %t215 = insertvalue %S.gen.Val %t210, %S.ast.Type %t214, 1
+  %t216 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t205, %S.gen.Val %t215)
+  store %S.gen.Val %t215, ptr %a217
+  call void @finch.drop.S_gen_Val(ptr %a217)
+  store { ptr, i64, i64 } %t204, ptr %a219
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t204, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  store { ptr, i64, i64 } %t216, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.1783, i64 6, i64 0 }, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t228, ptr %a231
+  store { ptr, i64, i64 } %t229, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  store { ptr, i64, i64 } %t228, ptr %a233
+  call void @finch_str_drop(ptr %a233)
+  %t234 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t234, ptr %a236
+  store { ptr, i64, i64 } { ptr @.str.1784, i64 1, i64 0 }, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  call void @finch.gen.emit(ptr %t194, { ptr, i64, i64 } %t239)
+  store { ptr, i64, i64 } %t239, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  br label %endif2879
+else2878:
+  %t241 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t241, ptr %a242
+  store { ptr, i64, i64 } { ptr @.str.1785, i64 3, i64 0 }, ptr %a243
+  %t244 = call i32 @finch_str_eq(ptr %a242, ptr %a243)
+  %t245 = icmp ne i32 %t244, 0
+  br label %logic.from2880
+logic.from2880:
+  br i1 %t245, label %logic.end2882, label %logic.rhs2881
+logic.rhs2881:
+  %t246 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t246, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.1786, i64 4, i64 0 }, ptr %a248
+  %t249 = call i32 @finch_str_eq(ptr %a247, ptr %a248)
+  %t250 = icmp ne i32 %t249, 0
+  br label %logic.rend2883
+logic.rend2883:
+  br label %logic.end2882
+logic.end2882:
+  %t251 = phi i1 [ true, %logic.from2880 ], [ %t250, %logic.rend2883 ]
+  br i1 %t251, label %then2884, label %else2885
+then2884:
+  %t252 = load ptr, ptr %a1
+  %t253 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1787, i64 29, i64 0 }, ptr %a255
+  store { ptr, i64, i64 } %t253, ptr %a256
+  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
+  %t257 = load { ptr, i64, i64 }, ptr %a254
+  store { ptr, i64, i64 } %t257, ptr %a259
+  store { ptr, i64, i64 } { ptr @.str.1788, i64 6, i64 0 }, ptr %a260
+  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
+  store { ptr, i64, i64 } %t257, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a258
+  %t263 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t262, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  store { ptr, i64, i64 } %t266, ptr %a268
-  store { ptr, i64, i64 } { ptr @.str.1720, i64 1, i64 0 }, ptr %a269
-  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
-  %t270 = load { ptr, i64, i64 }, ptr %a267
-  call void @finch.gen.emit(ptr %t230, { ptr, i64, i64 } %t270)
-  br label %endif2705
-endif2705:
-  br label %endif2698
-endif2698:
-  br label %endif2695
-endif2695:
-  br label %endif2692
-endif2692:
-  br label %endif2689
-endif2689:
-  br label %endif2686
-endif2686:
-  br label %endif2683
-endif2683:
+  store { ptr, i64, i64 } %t263, ptr %a266
+  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
+  store { ptr, i64, i64 } %t262, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t268, ptr %a270
+  store { ptr, i64, i64 } { ptr @.str.1789, i64 1, i64 0 }, ptr %a271
+  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
+  store { ptr, i64, i64 } %t268, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a269
+  call void @finch.gen.emit(ptr %t252, { ptr, i64, i64 } %t273)
+  store { ptr, i64, i64 } %t273, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  br label %endif2886
+else2885:
+  %t275 = load ptr, ptr %a1
+  %t276 = load ptr, ptr %a1
+  %t277 = load %S.ast.Type, ptr %a4
+  %t278 = call { ptr, i64, i64 } @finch.gen.formatFn(ptr %t276, %S.ast.Type %t277)
+  store { ptr, i64, i64 } { ptr @.str.1790, i64 10, i64 0 }, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.1791, i64 5, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t288, ptr %a291
+  store { ptr, i64, i64 } %t289, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  store { ptr, i64, i64 } %t288, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load { ptr, i64, i64 }, ptr %a290
+  store { ptr, i64, i64 } %t294, ptr %a296
+  store { ptr, i64, i64 } { ptr @.str.1792, i64 6, i64 0 }, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  store { ptr, i64, i64 } %t294, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a295
+  %t300 = load ptr, ptr %a1
+  %t301 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t301, ptr %a302
+  call void @finch_str_copy(ptr %a303, ptr %a302)
+  %t304 = load { ptr, i64, i64 }, ptr %a303
+  %t305 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t304, 0
+  %t306 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t306, ptr %a307
+  call void @finch.copy.S_ast_Type(ptr %a308, ptr %a307)
+  %t309 = load %S.ast.Type, ptr %a308
+  %t310 = insertvalue %S.gen.Val %t305, %S.ast.Type %t309, 1
+  %t311 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t300, %S.gen.Val %t310)
+  store %S.gen.Val %t310, ptr %a312
+  call void @finch.drop.S_gen_Val(ptr %a312)
+  store { ptr, i64, i64 } %t299, ptr %a314
+  store { ptr, i64, i64 } %t311, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  store { ptr, i64, i64 } %t299, ptr %a316
+  call void @finch_str_drop(ptr %a316)
+  store { ptr, i64, i64 } %t311, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a313
+  store { ptr, i64, i64 } %t318, ptr %a320
+  store { ptr, i64, i64 } { ptr @.str.1793, i64 1, i64 0 }, ptr %a321
+  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
+  store { ptr, i64, i64 } %t318, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  %t323 = load { ptr, i64, i64 }, ptr %a319
+  call void @finch.gen.emit(ptr %t275, { ptr, i64, i64 } %t323)
+  store { ptr, i64, i64 } %t323, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  br label %endif2886
+endif2886:
+  br label %endif2879
+endif2879:
+  br label %endif2876
+endif2876:
+  br label %endif2873
+endif2873:
+  br label %endif2870
+endif2870:
+  br label %endif2867
+endif2867:
+  br label %endif2864
+endif2864:
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a11)
   ret void
 }
 
@@ -27543,6 +32383,20 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_EnumDef(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_int(ptr %t4)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.gen.formatFn(ptr %p0, %S.ast.Type %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -27550,970 +32404,1156 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca %S.gen.Saved, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca %S.ast.Type, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.ast.Type, align 16
+  %a47 = alloca %S.ast.Type, align 16
   %a49 = alloca %S.ast.Type, align 16
-  %a51 = alloca %S.ast.Type, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca %S.gen.EnumDef, align 16
-  %a165 = alloca %S.gen.EnumDef, align 16
-  %a167 = alloca %S.gen.EnumDef, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca i64, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca %S.gen.EnumDef, align 16
+  %a174 = alloca %S.gen.EnumDef, align 16
+  %a176 = alloca %S.gen.EnumDef, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca i64, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
   %a231 = alloca { ptr, i64, i64 }, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
   %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca i64, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a301 = alloca { ptr, i64, i64 }, align 16
-  %a302 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca i64, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
   %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
   %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
-  %a384 = alloca { ptr, i64, i64 }, align 16
-  %a385 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a397 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca %S.gen.StructDef, align 16
-  %a483 = alloca %S.gen.StructDef, align 16
-  %a485 = alloca %S.gen.StructDef, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
-  %a494 = alloca { ptr, i64, i64 }, align 16
-  %a495 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca i64, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a521 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a526 = alloca { ptr, i64, i64 }, align 16
-  %a527 = alloca { ptr, i64, i64 }, align 16
-  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca %S.gen.StructDef, align 16
+  %a524 = alloca %S.gen.StructDef, align 16
+  %a526 = alloca %S.gen.StructDef, align 16
   %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca i64, align 16
   %a545 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
   %a579 = alloca { ptr, i64, i64 }, align 16
-  %a580 = alloca { ptr, i64, i64 }, align 16
-  %a581 = alloca { ptr, i64, i64 }, align 16
-  %a583 = alloca { ptr, i64, i64 }, align 16
-  %a584 = alloca { ptr, i64, i64 }, align 16
-  %a585 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a598 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load %S.ast.Type, ptr %a2
   %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
-  store { ptr, i64, i64 } { ptr @.str.1721, i64 14, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1794, i64 14, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
-  %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic2706, label %ok2707
-panic2706:
-  call void @finch_panic(ptr @.str.1722, i64 965, ptr @.str.1723)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic2887, label %ok2888
+panic2887:
+  call void @finch_panic(ptr @.str.1795, i64 1100, ptr @.str.1796)
   unreachable
-ok2707:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 21
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  %t14 = load { ptr, i64, i64 }, ptr %a9
-  %t15 = call i1 @finch.gen.has({ ptr, i64, i64 } %t13, { ptr, i64, i64 } %t14)
-  br i1 %t15, label %then2708, label %endif2710
-then2708:
-  %t16 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  ret { ptr, i64, i64 } %t19
-endif2710:
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic2711, label %ok2712
-panic2711:
-  call void @finch_panic(ptr @.str.1724, i64 968, ptr @.str.1725)
+ok2888:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then2889, label %endif2891
+then2889:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif2891:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic2892, label %ok2893
+panic2892:
+  call void @finch_panic(ptr @.str.1797, i64 1103, ptr @.str.1798)
   unreachable
-ok2712:
-  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 21
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  %t28 = load i64, ptr %t23
-  %t29 = add i64 %t28, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t30 = load ptr, ptr %t22
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
-  store { ptr, i64, i64 } %t27, ptr %t31
-  store i64 %t29, ptr %t23
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t32)
-  store %S.gen.Saved %t33, ptr %a34
-  %t35 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t36 = load { ptr, i64, i64 }, ptr %t35
-  store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1726, i64 5, i64 0 }, ptr %a38
-  %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
-  %t40 = icmp ne i32 %t39, 0
-  br i1 %t40, label %then2713, label %else2714
-then2713:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
-  %t44 = icmp uge i64 0, %t43
-  br i1 %t44, label %range2716, label %inrange2717
-range2716:
-  call void @finch_panic_index(ptr @.str.1727, i64 971, i64 0, i64 %t43)
+ok2893:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1799, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then2894, label %else2895
+then2894:
+  %t39 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
+  %t42 = icmp uge i64 0, %t41
+  br i1 %t42, label %range2897, label %inrange2898
+range2897:
+  call void @finch_panic_index(ptr @.str.1800, i64 1106, i64 0, i64 %t41)
   unreachable
-inrange2717:
-  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
-  %t46 = getelementptr inbounds %S.ast.Type, ptr %t45, i64 0
-  %t47 = load %S.ast.Type, ptr %t46
-  store %S.ast.Type %t47, ptr %a48
-  call void @finch.copy.S_ast_Type(ptr %a49, ptr %a48)
-  %t50 = load %S.ast.Type, ptr %a49
-  store %S.ast.Type %t50, ptr %a51
-  %t52 = load ptr, ptr %a1
-  %t53 = call { ptr, i64, i64 } @finch.gen.load(ptr %t52, { ptr, i64, i64 } { ptr @.str.1728, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1729, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t53, ptr %a54
-  %t55 = load ptr, ptr %a1
-  %t56 = load ptr, ptr %a1
-  %t57 = call { ptr, i64, i64 } @finch.gen.op(ptr %t56, { ptr, i64, i64 } { ptr @.str.1731, i64 62, i64 0 })
-  %t58 = call { ptr, i64, i64 } @finch.gen.load(ptr %t55, { ptr, i64, i64 } { ptr @.str.1730, i64 3, i64 0 }, { ptr, i64, i64 } %t57)
-  store { ptr, i64, i64 } %t58, ptr %a59
+inrange2898:
+  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
+  %t44 = getelementptr inbounds %S.ast.Type, ptr %t43, i64 0
+  %t45 = load %S.ast.Type, ptr %t44
+  store %S.ast.Type %t45, ptr %a46
+  call void @finch.copy.S_ast_Type(ptr %a47, ptr %a46)
+  %t48 = load %S.ast.Type, ptr %a47
+  store %S.ast.Type %t48, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = call { ptr, i64, i64 } @finch.gen.load(ptr %t50, { ptr, i64, i64 } { ptr @.str.1801, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1802, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t51, ptr %a52
+  %t53 = load ptr, ptr %a1
+  %t54 = load ptr, ptr %a1
+  %t55 = call { ptr, i64, i64 } @finch.gen.op(ptr %t54, { ptr, i64, i64 } { ptr @.str.1804, i64 62, i64 0 })
+  %t56 = call { ptr, i64, i64 } @finch.gen.load(ptr %t53, { ptr, i64, i64 } { ptr @.str.1803, i64 3, i64 0 }, { ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t55, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  store { ptr, i64, i64 } %t56, ptr %a58
+  %t59 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t59, { ptr, i64, i64 } { ptr @.str.1805, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1806, i64 1, i64 0 })
   %t60 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t60, { ptr, i64, i64 } { ptr @.str.1732, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1733, i64 1, i64 0 })
-  %t61 = load ptr, ptr %a1
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t61, { ptr, i64, i64 } %t62)
-  store { ptr, i64, i64 } %t63, ptr %a64
-  %t65 = load ptr, ptr %a1
-  %t66 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t65, { ptr, i64, i64 } { ptr @.str.1734, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t66, ptr %a67
-  %t68 = load ptr, ptr %a1
-  %t69 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t68, { ptr, i64, i64 } { ptr @.str.1735, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t69, ptr %a70
-  %t71 = load ptr, ptr %a1
-  %t72 = load { ptr, i64, i64 }, ptr %a64
-  %t73 = extractvalue { ptr, i64, i64 } %t72, 1
-  %t74 = icmp uge i64 3, %t73
-  br i1 %t74, label %range2718, label %inrange2719
-range2718:
-  call void @finch_panic_index(ptr @.str.1737, i64 978, i64 3, i64 %t73)
+  %t61 = load { ptr, i64, i64 }, ptr %a58
+  %t62 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t60, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t62, ptr %a63
+  %t64 = load ptr, ptr %a1
+  %t65 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t64, { ptr, i64, i64 } { ptr @.str.1807, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t65, ptr %a66
+  %t67 = load ptr, ptr %a1
+  %t68 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t67, { ptr, i64, i64 } { ptr @.str.1808, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t68, ptr %a69
+  %t70 = load ptr, ptr %a1
+  %t71 = load { ptr, i64, i64 }, ptr %a63
+  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
+  %t73 = icmp uge i64 3, %t72
+  br i1 %t73, label %range2899, label %inrange2900
+range2899:
+  call void @finch_panic_index(ptr @.str.1810, i64 1113, i64 3, i64 %t72)
   unreachable
-inrange2719:
-  %t75 = extractvalue { ptr, i64, i64 } %t72, 0
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i64 3
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } { ptr @.str.1736, i64 13, i64 0 }, ptr %a79
-  store { ptr, i64, i64 } %t77, ptr %a80
-  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
-  %t81 = load { ptr, i64, i64 }, ptr %a78
-  store { ptr, i64, i64 } %t81, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.1738, i64 3, i64 0 }, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  %t86 = call { ptr, i64, i64 } @finch.gen.op(ptr %t71, { ptr, i64, i64 } %t85)
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = load ptr, ptr %a1
-  %t89 = load { ptr, i64, i64 }, ptr %a87
-  %t90 = load { ptr, i64, i64 }, ptr %a67
-  %t91 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.condBr(ptr %t88, { ptr, i64, i64 } %t89, { ptr, i64, i64 } %t90, { ptr, i64, i64 } %t91)
-  %t92 = load ptr, ptr %a1
-  %t93 = load { ptr, i64, i64 }, ptr %a67
-  call void @finch.gen.label(ptr %t92, { ptr, i64, i64 } %t93)
-  %t94 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t94, { ptr, i64, i64 } { ptr @.str.1739, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1740, i64 2, i64 0 })
+inrange2900:
+  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
+  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t74, i64 3
+  %t76 = load { ptr, i64, i64 }, ptr %t75
+  store { ptr, i64, i64 } { ptr @.str.1809, i64 13, i64 0 }, ptr %a78
+  store { ptr, i64, i64 } %t76, ptr %a79
+  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a77
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.1811, i64 3, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = call { ptr, i64, i64 } @finch.gen.op(ptr %t70, { ptr, i64, i64 } %t85)
+  store { ptr, i64, i64 } %t85, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  store { ptr, i64, i64 } %t86, ptr %a88
+  %t89 = load ptr, ptr %a1
+  %t90 = load { ptr, i64, i64 }, ptr %a88
+  %t91 = load { ptr, i64, i64 }, ptr %a66
+  %t92 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.condBr(ptr %t89, { ptr, i64, i64 } %t90, { ptr, i64, i64 } %t91, { ptr, i64, i64 } %t92)
+  %t93 = load ptr, ptr %a1
+  %t94 = load { ptr, i64, i64 }, ptr %a66
+  call void @finch.gen.label(ptr %t93, { ptr, i64, i64 } %t94)
   %t95 = load ptr, ptr %a1
-  %t96 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.br(ptr %t95, { ptr, i64, i64 } %t96)
-  %t97 = load ptr, ptr %a1
-  %t98 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.label(ptr %t97, { ptr, i64, i64 } %t98)
-  %t99 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t95, { ptr, i64, i64 } { ptr @.str.1812, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1813, i64 2, i64 0 })
+  %t96 = load ptr, ptr %a1
+  %t97 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.br(ptr %t96, { ptr, i64, i64 } %t97)
+  %t98 = load ptr, ptr %a1
+  %t99 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.label(ptr %t98, { ptr, i64, i64 } %t99)
   %t100 = load ptr, ptr %a1
-  %t101 = load %S.ast.Type, ptr %a51
-  %t102 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t100, %S.ast.Type %t101)
-  store { ptr, i64, i64 } { ptr @.str.1741, i64 23, i64 0 }, ptr %a104
-  store { ptr, i64, i64 } %t102, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t106, ptr %a108
-  store { ptr, i64, i64 } { ptr @.str.1742, i64 6, i64 0 }, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  %t111 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t110, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.1743, i64 6, i64 0 }, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  %t120 = load { ptr, i64, i64 }, ptr %a64
-  %t121 = extractvalue { ptr, i64, i64 } %t120, 1
-  %t122 = icmp uge i64 3, %t121
-  br i1 %t122, label %range2720, label %inrange2721
-range2720:
-  call void @finch_panic_index(ptr @.str.1744, i64 984, i64 3, i64 %t121)
+  %t101 = load ptr, ptr %a1
+  %t102 = load %S.ast.Type, ptr %a49
+  %t103 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t101, %S.ast.Type %t102)
+  store { ptr, i64, i64 } { ptr @.str.1814, i64 23, i64 0 }, ptr %a105
+  store { ptr, i64, i64 } %t103, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  store { ptr, i64, i64 } %t108, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.1815, i64 6, i64 0 }, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t108, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  %t113 = load { ptr, i64, i64 }, ptr %a109
+  %t114 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t113, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t113, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1816, i64 6, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = load { ptr, i64, i64 }, ptr %a63
+  %t126 = extractvalue { ptr, i64, i64 } %t125, 1
+  %t127 = icmp uge i64 3, %t126
+  br i1 %t127, label %range2901, label %inrange2902
+range2901:
+  call void @finch_panic_index(ptr @.str.1817, i64 1119, i64 3, i64 %t126)
   unreachable
-inrange2721:
-  %t123 = extractvalue { ptr, i64, i64 } %t120, 0
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i64 3
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  store { ptr, i64, i64 } %t119, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = call { ptr, i64, i64 } @finch.gen.op(ptr %t99, { ptr, i64, i64 } %t129)
-  store { ptr, i64, i64 } %t130, ptr %a131
-  %t132 = load ptr, ptr %a1
-  %t133 = load ptr, ptr %a1
-  %t134 = load ptr, ptr %a1
-  %t135 = load %S.ast.Type, ptr %a51
-  %t136 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t134, %S.ast.Type %t135)
-  %t137 = load { ptr, i64, i64 }, ptr %a131
-  %t138 = call { ptr, i64, i64 } @finch.gen.load(ptr %t133, { ptr, i64, i64 } %t136, { ptr, i64, i64 } %t137)
-  %t139 = load %S.ast.Type, ptr %a51
-  call void @finch.gen.emitFormat(ptr %t132, { ptr, i64, i64 } { ptr @.str.1745, i64 4, i64 0 }, { ptr, i64, i64 } %t138, %S.ast.Type %t139, i1 true)
+inrange2902:
+  %t128 = extractvalue { ptr, i64, i64 } %t125, 0
+  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t128, i64 3
+  %t130 = load { ptr, i64, i64 }, ptr %t129
+  store { ptr, i64, i64 } %t124, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t124, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  %t136 = call { ptr, i64, i64 } @finch.gen.op(ptr %t100, { ptr, i64, i64 } %t135)
+  store { ptr, i64, i64 } %t135, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  store { ptr, i64, i64 } %t136, ptr %a138
+  %t139 = load ptr, ptr %a1
   %t140 = load ptr, ptr %a1
-  %t141 = load { ptr, i64, i64 }, ptr %a64
-  call void @finch.gen.loopEnd(ptr %t140, { ptr, i64, i64 } %t141)
-  %t142 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t142, { ptr, i64, i64 } { ptr @.str.1746, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1747, i64 1, i64 0 })
-  br label %endif2715
-else2714:
-  %t143 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.1748, i64 4, i64 0 }, ptr %a146
-  %t147 = call i32 @finch_str_eq(ptr %a145, ptr %a146)
-  %t148 = icmp ne i32 %t147, 0
-  br i1 %t148, label %then2722, label %else2723
-then2722:
+  %t141 = load ptr, ptr %a1
+  %t142 = load %S.ast.Type, ptr %a49
+  %t143 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t141, %S.ast.Type %t142)
+  %t144 = load { ptr, i64, i64 }, ptr %a138
+  %t145 = call { ptr, i64, i64 } @finch.gen.load(ptr %t140, { ptr, i64, i64 } %t143, { ptr, i64, i64 } %t144)
+  store { ptr, i64, i64 } %t143, ptr %a146
+  call void @finch_str_drop(ptr %a146)
+  %t147 = load %S.ast.Type, ptr %a49
+  call void @finch.gen.emitFormat(ptr %t139, { ptr, i64, i64 } { ptr @.str.1818, i64 4, i64 0 }, { ptr, i64, i64 } %t145, %S.ast.Type %t147, i1 true)
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_drop(ptr %a148)
   %t149 = load ptr, ptr %a1
-  %t150 = icmp eq ptr %t149, null
-  br i1 %t150, label %panic2725, label %ok2726
-panic2725:
-  call void @finch_panic(ptr @.str.1749, i64 990, ptr @.str.1750)
+  %t150 = load { ptr, i64, i64 }, ptr %a63
+  call void @finch.gen.loopEnd(ptr %t149, { ptr, i64, i64 } %t150)
+  %t151 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t151, { ptr, i64, i64 } { ptr @.str.1819, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1820, i64 1, i64 0 })
+  call void @finch_str_drop(ptr %a138)
+  call void @finch_str_drop(ptr %a88)
+  call void @finch_str_drop(ptr %a69)
+  call void @finch_str_drop(ptr %a66)
+  call void @finch.drop.arr_str(ptr %a63)
+  call void @finch_str_drop(ptr %a58)
+  call void @finch_str_drop(ptr %a52)
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  br label %endif2896
+else2895:
+  %t152 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  store { ptr, i64, i64 } %t153, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.1821, i64 4, i64 0 }, ptr %a155
+  %t156 = call i32 @finch_str_eq(ptr %a154, ptr %a155)
+  %t157 = icmp ne i32 %t156, 0
+  br i1 %t157, label %then2903, label %else2904
+then2903:
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic2906, label %ok2907
+panic2906:
+  call void @finch_panic(ptr @.str.1822, i64 1125, ptr @.str.1823)
   unreachable
-ok2726:
-  %t151 = getelementptr inbounds %S.gen.Gen, ptr %t149, i32 0, i32 20
-  %t152 = load ptr, ptr %a1
-  %t153 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t154 = load { ptr, i64, i64 }, ptr %t153
-  %t155 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t156 = load { ptr, i64, i64 }, ptr %t155
-  %t157 = call i64 @finch.gen.findEnum(ptr %t152, { ptr, i64, i64 } %t154, { ptr, i64, i64 } %t156)
-  %t158 = load { ptr, i64, i64 }, ptr %t151
-  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
-  %t160 = icmp uge i64 %t157, %t159
-  br i1 %t160, label %range2727, label %inrange2728
-range2727:
-  call void @finch_panic_index(ptr @.str.1751, i64 990, i64 %t157, i64 %t159)
+ok2907:
+  %t160 = getelementptr inbounds %S.gen.Gen, ptr %t158, i32 0, i32 21
+  %t161 = load ptr, ptr %a1
+  %t162 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  %t164 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  %t166 = call i64 @finch.gen.findEnum(ptr %t161, { ptr, i64, i64 } %t163, { ptr, i64, i64 } %t165)
+  %t167 = load { ptr, i64, i64 }, ptr %t160
+  %t168 = extractvalue { ptr, i64, i64 } %t167, 1
+  %t169 = icmp uge i64 %t166, %t168
+  br i1 %t169, label %range2908, label %inrange2909
+range2908:
+  call void @finch_panic_index(ptr @.str.1824, i64 1125, i64 %t166, i64 %t168)
   unreachable
-inrange2728:
-  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
-  %t162 = getelementptr inbounds %S.gen.EnumDef, ptr %t161, i64 %t157
-  %t163 = load %S.gen.EnumDef, ptr %t162
-  store %S.gen.EnumDef %t163, ptr %a164
-  call void @finch.copy.S_gen_EnumDef(ptr %a165, ptr %a164)
-  %t166 = load %S.gen.EnumDef, ptr %a165
-  store %S.gen.EnumDef %t166, ptr %a167
-  %t168 = load ptr, ptr %a1
-  %t169 = call { ptr, i64, i64 } @finch.gen.load(ptr %t168, { ptr, i64, i64 } { ptr @.str.1752, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1753, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t169, ptr %a170
-  %t171 = load ptr, ptr %a1
-  %t172 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t171, { ptr, i64, i64 } { ptr @.str.1754, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t172, ptr %a173
-  %t174 = load ptr, ptr %a1
-  %t175 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t174, { ptr, i64, i64 } { ptr @.str.1755, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t175, ptr %a176
-  store { ptr, i64, i64 } zeroinitializer, ptr %a177
-  store { ptr, i64, i64 } zeroinitializer, ptr %a178
-  %t179 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 2
-  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i32 0, i32 1
-  %t181 = load i64, ptr %t180
-  store i64 0, ptr %a182
-  br label %for.cond2729
-for.cond2729:
-  %t183 = load i64, ptr %a182
-  %t184 = icmp slt i64 %t183, %t181
-  br i1 %t184, label %for.body2730, label %for.end2732
-for.body2730:
-  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %a178, i32 0, i32 1
-  %t186 = load ptr, ptr %a1
-  %t187 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t186, { ptr, i64, i64 } { ptr @.str.1756, i64 6, i64 0 })
-  %t188 = load i64, ptr %t185
-  %t189 = add i64 %t188, 1
-  call void @finch_arr_reserve(ptr %a178, i64 %t189, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t190 = load ptr, ptr %a178
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t190, i64 %t188
-  store { ptr, i64, i64 } %t187, ptr %t191
-  store i64 %t189, ptr %t185
-  %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %a177, i32 0, i32 1
-  %t193 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 3
-  %t194 = load i64, ptr %a182
-  %t195 = load { ptr, i64, i64 }, ptr %t193
-  %t196 = extractvalue { ptr, i64, i64 } %t195, 1
-  %t197 = icmp uge i64 %t194, %t196
-  br i1 %t197, label %range2733, label %inrange2734
-range2733:
-  call void @finch_panic_index(ptr @.str.1758, i64 998, i64 %t194, i64 %t196)
+inrange2909:
+  %t170 = extractvalue { ptr, i64, i64 } %t167, 0
+  %t171 = getelementptr inbounds %S.gen.EnumDef, ptr %t170, i64 %t166
+  %t172 = load %S.gen.EnumDef, ptr %t171
+  store %S.gen.EnumDef %t172, ptr %a173
+  call void @finch.copy.S_gen_EnumDef(ptr %a174, ptr %a173)
+  %t175 = load %S.gen.EnumDef, ptr %a174
+  store %S.gen.EnumDef %t175, ptr %a176
+  %t177 = load ptr, ptr %a1
+  %t178 = call { ptr, i64, i64 } @finch.gen.load(ptr %t177, { ptr, i64, i64 } { ptr @.str.1825, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1826, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t178, ptr %a179
+  %t180 = load ptr, ptr %a1
+  %t181 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t180, { ptr, i64, i64 } { ptr @.str.1827, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t181, ptr %a182
+  %t183 = load ptr, ptr %a1
+  %t184 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t183, { ptr, i64, i64 } { ptr @.str.1828, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t184, ptr %a185
+  store { ptr, i64, i64 } zeroinitializer, ptr %a186
+  store { ptr, i64, i64 } zeroinitializer, ptr %a187
+  %t188 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 2
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i32 0, i32 1
+  %t190 = load i64, ptr %t189
+  store i64 0, ptr %a191
+  br label %for.cond2910
+for.cond2910:
+  %t192 = load i64, ptr %a191
+  %t193 = icmp slt i64 %t192, %t190
+  br i1 %t193, label %for.body2911, label %for.end2913
+for.body2911:
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %a187, i32 0, i32 1
+  %t195 = load ptr, ptr %a1
+  %t196 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t195, { ptr, i64, i64 } { ptr @.str.1829, i64 6, i64 0 })
+  %t197 = load i64, ptr %t194
+  %t198 = add i64 %t197, 1
+  call void @finch_arr_reserve(ptr %a187, i64 %t198, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t199 = load ptr, ptr %a187
+  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i64 %t197
+  store { ptr, i64, i64 } %t196, ptr %t200
+  store i64 %t198, ptr %t194
+  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %a186, i32 0, i32 1
+  %t202 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 3
+  %t203 = load i64, ptr %a191
+  %t204 = load { ptr, i64, i64 }, ptr %t202
+  %t205 = extractvalue { ptr, i64, i64 } %t204, 1
+  %t206 = icmp uge i64 %t203, %t205
+  br i1 %t206, label %range2914, label %inrange2915
+range2914:
+  call void @finch_panic_index(ptr @.str.1831, i64 1133, i64 %t203, i64 %t205)
   unreachable
-inrange2734:
-  %t198 = extractvalue { ptr, i64, i64 } %t195, 0
-  %t199 = getelementptr inbounds i64, ptr %t198, i64 %t194
-  %t200 = load i64, ptr %t199
-  call void @finch_str_from_int(ptr %a201, i64 %t200)
-  %t202 = load { ptr, i64, i64 }, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.1757, i64 4, i64 0 }, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  store { ptr, i64, i64 } %t206, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.1759, i64 9, i64 0 }, ptr %a209
-  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  %t211 = load i64, ptr %a182
-  %t212 = load { ptr, i64, i64 }, ptr %a178
-  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
-  %t214 = icmp uge i64 %t211, %t213
-  br i1 %t214, label %range2735, label %inrange2736
-range2735:
-  call void @finch_panic_index(ptr @.str.1760, i64 998, i64 %t211, i64 %t213)
+inrange2915:
+  %t207 = extractvalue { ptr, i64, i64 } %t204, 0
+  %t208 = getelementptr inbounds i64, ptr %t207, i64 %t203
+  %t209 = load i64, ptr %t208
+  call void @finch_str_from_int(ptr %a210, i64 %t209)
+  %t211 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.1830, i64 4, i64 0 }, ptr %a213
+  store { ptr, i64, i64 } %t211, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  store { ptr, i64, i64 } %t211, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } %t216, ptr %a218
+  store { ptr, i64, i64 } { ptr @.str.1832, i64 9, i64 0 }, ptr %a219
+  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_drop(ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  %t222 = load i64, ptr %a191
+  %t223 = load { ptr, i64, i64 }, ptr %a187
+  %t224 = extractvalue { ptr, i64, i64 } %t223, 1
+  %t225 = icmp uge i64 %t222, %t224
+  br i1 %t225, label %range2916, label %inrange2917
+range2916:
+  call void @finch_panic_index(ptr @.str.1833, i64 1133, i64 %t222, i64 %t224)
   unreachable
-inrange2736:
-  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
-  %t216 = getelementptr inbounds { ptr, i64, i64 }, ptr %t215, i64 %t211
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  store { ptr, i64, i64 } %t210, ptr %a219
-  store { ptr, i64, i64 } %t217, ptr %a220
-  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
-  %t221 = load { ptr, i64, i64 }, ptr %a218
-  %t222 = load i64, ptr %t192
-  %t223 = add i64 %t222, 1
-  call void @finch_arr_reserve(ptr %a177, i64 %t223, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t224 = load ptr, ptr %a177
-  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i64 %t222
-  store { ptr, i64, i64 } %t221, ptr %t225
-  store i64 %t223, ptr %t192
-  br label %for.step2731
-for.step2731:
-  %t226 = load i64, ptr %a182
-  %t227 = add i64 %t226, 1
-  store i64 %t227, ptr %a182
-  br label %for.cond2729
-for.end2732:
-  %t228 = load ptr, ptr %a1
-  %t229 = load { ptr, i64, i64 }, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.1761, i64 11, i64 0 }, ptr %a231
-  store { ptr, i64, i64 } %t229, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  store { ptr, i64, i64 } %t233, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.1762, i64 9, i64 0 }, ptr %a236
-  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  %t238 = load { ptr, i64, i64 }, ptr %a173
-  store { ptr, i64, i64 } %t237, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t242, ptr %a244
-  store { ptr, i64, i64 } { ptr @.str.1763, i64 3, i64 0 }, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %a177, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1764, i64 1, i64 0 }, ptr %a248
-  call void @finch_str_join(ptr %a249, ptr %a177, ptr %a248)
-  %t250 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t246, ptr %a252
+inrange2917:
+  %t226 = extractvalue { ptr, i64, i64 } %t223, 0
+  %t227 = getelementptr inbounds { ptr, i64, i64 }, ptr %t226, i64 %t222
+  %t228 = load { ptr, i64, i64 }, ptr %t227
+  store { ptr, i64, i64 } %t221, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  store { ptr, i64, i64 } %t221, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a229
+  %t234 = load i64, ptr %t201
+  %t235 = add i64 %t234, 1
+  call void @finch_arr_reserve(ptr %a186, i64 %t235, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t236 = load ptr, ptr %a186
+  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i64 %t234
+  store { ptr, i64, i64 } %t233, ptr %t237
+  store i64 %t235, ptr %t201
+  br label %for.step2912
+for.step2912:
+  %t238 = load i64, ptr %a191
+  %t239 = add i64 %t238, 1
+  store i64 %t239, ptr %a191
+  br label %for.cond2910
+for.end2913:
+  %t240 = load ptr, ptr %a1
+  %t241 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } { ptr @.str.1834, i64 11, i64 0 }, ptr %a243
+  store { ptr, i64, i64 } %t241, ptr %a244
+  call void @finch_str_concat(ptr %a242, ptr %a243, ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a242
+  store { ptr, i64, i64 } %t245, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.1835, i64 9, i64 0 }, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t245, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  %t250 = load { ptr, i64, i64 }, ptr %a246
+  %t251 = load { ptr, i64, i64 }, ptr %a182
   store { ptr, i64, i64 } %t250, ptr %a253
-  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
-  %t254 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } %t254, ptr %a256
-  store { ptr, i64, i64 } { ptr @.str.1765, i64 2, i64 0 }, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  call void @finch.gen.emit(ptr %t228, { ptr, i64, i64 } %t258)
-  %t259 = load ptr, ptr %a1
-  %t260 = icmp eq ptr %t259, null
-  br i1 %t260, label %panic2737, label %ok2738
-panic2737:
-  call void @finch_panic(ptr @.str.1766, i64 1001, ptr @.str.1767)
+  store { ptr, i64, i64 } %t251, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t250, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t256, ptr %a258
+  store { ptr, i64, i64 } { ptr @.str.1836, i64 3, i64 0 }, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t256, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a257
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %a186, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1837, i64 1, i64 0 }, ptr %a263
+  call void @finch_str_join(ptr %a264, ptr %a186, ptr %a263)
+  %t265 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t261, ptr %a267
+  store { ptr, i64, i64 } %t265, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t261, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  store { ptr, i64, i64 } %t265, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a266
+  store { ptr, i64, i64 } %t271, ptr %a273
+  store { ptr, i64, i64 } { ptr @.str.1838, i64 2, i64 0 }, ptr %a274
+  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
+  store { ptr, i64, i64 } %t271, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a272
+  call void @finch.gen.emit(ptr %t240, { ptr, i64, i64 } %t276)
+  store { ptr, i64, i64 } %t276, ptr %a277
+  call void @finch_str_drop(ptr %a277)
+  %t278 = load ptr, ptr %a1
+  %t279 = icmp eq ptr %t278, null
+  br i1 %t279, label %panic2918, label %ok2919
+panic2918:
+  call void @finch_panic(ptr @.str.1839, i64 1136, ptr @.str.1840)
   unreachable
-ok2738:
-  %t261 = getelementptr inbounds %S.gen.Gen, ptr %t259, i32 0, i32 9
-  store i1 true, ptr %t261
-  %t262 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 2
-  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i32 0, i32 1
-  %t264 = load i64, ptr %t263
-  store i64 0, ptr %a265
-  br label %for.cond2739
-for.cond2739:
-  %t266 = load i64, ptr %a265
-  %t267 = icmp slt i64 %t266, %t264
-  br i1 %t267, label %for.body2740, label %for.end2742
-for.body2740:
-  %t268 = load ptr, ptr %a1
-  %t269 = load i64, ptr %a265
-  %t270 = load { ptr, i64, i64 }, ptr %a178
-  %t271 = extractvalue { ptr, i64, i64 } %t270, 1
-  %t272 = icmp uge i64 %t269, %t271
-  br i1 %t272, label %range2743, label %inrange2744
-range2743:
-  call void @finch_panic_index(ptr @.str.1768, i64 1003, i64 %t269, i64 %t271)
+ok2919:
+  %t280 = getelementptr inbounds %S.gen.Gen, ptr %t278, i32 0, i32 9
+  store i1 true, ptr %t280
+  %t281 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 2
+  %t282 = getelementptr inbounds { ptr, i64, i64 }, ptr %t281, i32 0, i32 1
+  %t283 = load i64, ptr %t282
+  store i64 0, ptr %a284
+  br label %for.cond2920
+for.cond2920:
+  %t285 = load i64, ptr %a284
+  %t286 = icmp slt i64 %t285, %t283
+  br i1 %t286, label %for.body2921, label %for.end2923
+for.body2921:
+  %t287 = load ptr, ptr %a1
+  %t288 = load i64, ptr %a284
+  %t289 = load { ptr, i64, i64 }, ptr %a187
+  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
+  %t291 = icmp uge i64 %t288, %t290
+  br i1 %t291, label %range2924, label %inrange2925
+range2924:
+  call void @finch_panic_index(ptr @.str.1841, i64 1138, i64 %t288, i64 %t290)
   unreachable
-inrange2744:
-  %t273 = extractvalue { ptr, i64, i64 } %t270, 0
-  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 %t269
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  call void @finch.gen.label(ptr %t268, { ptr, i64, i64 } %t275)
-  %t276 = load ptr, ptr %a1
-  %t277 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 2
-  %t278 = load i64, ptr %a265
-  %t279 = load { ptr, i64, i64 }, ptr %t277
-  %t280 = extractvalue { ptr, i64, i64 } %t279, 1
-  %t281 = icmp uge i64 %t278, %t280
-  br i1 %t281, label %range2745, label %inrange2746
-range2745:
-  call void @finch_panic_index(ptr @.str.1770, i64 1004, i64 %t278, i64 %t280)
+inrange2925:
+  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
+  %t293 = getelementptr inbounds { ptr, i64, i64 }, ptr %t292, i64 %t288
+  %t294 = load { ptr, i64, i64 }, ptr %t293
+  call void @finch.gen.label(ptr %t287, { ptr, i64, i64 } %t294)
+  %t295 = load ptr, ptr %a1
+  %t296 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 2
+  %t297 = load i64, ptr %a284
+  %t298 = load { ptr, i64, i64 }, ptr %t296
+  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
+  %t300 = icmp uge i64 %t297, %t299
+  br i1 %t300, label %range2926, label %inrange2927
+range2926:
+  call void @finch_panic_index(ptr @.str.1843, i64 1139, i64 %t297, i64 %t299)
   unreachable
-inrange2746:
-  %t282 = extractvalue { ptr, i64, i64 } %t279, 0
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i64 %t278
-  %t284 = load { ptr, i64, i64 }, ptr %t283
-  call void @finch.gen.bufText(ptr %t276, { ptr, i64, i64 } { ptr @.str.1769, i64 4, i64 0 }, { ptr, i64, i64 } %t284)
-  %t285 = load ptr, ptr %a1
-  %t286 = load { ptr, i64, i64 }, ptr %a176
-  call void @finch.gen.br(ptr %t285, { ptr, i64, i64 } %t286)
-  br label %for.step2741
-for.step2741:
-  %t287 = load i64, ptr %a265
-  %t288 = add i64 %t287, 1
-  store i64 %t288, ptr %a265
-  br label %for.cond2739
-for.end2742:
-  %t289 = load ptr, ptr %a1
-  %t290 = load { ptr, i64, i64 }, ptr %a173
-  call void @finch.gen.label(ptr %t289, { ptr, i64, i64 } %t290)
-  %t291 = load ptr, ptr %a1
-  %t292 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 1
-  %t293 = load { ptr, i64, i64 }, ptr %t292
-  store { ptr, i64, i64 } %t293, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.1772, i64 1, i64 0 }, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  call void @finch.gen.bufText(ptr %t291, { ptr, i64, i64 } { ptr @.str.1771, i64 4, i64 0 }, { ptr, i64, i64 } %t297)
-  %t298 = load ptr, ptr %a1
-  %t299 = load ptr, ptr %a1
-  %t300 = load { ptr, i64, i64 }, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.1774, i64 9, i64 0 }, ptr %a302
-  store { ptr, i64, i64 } %t300, ptr %a303
-  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
-  %t304 = load { ptr, i64, i64 }, ptr %a301
-  store { ptr, i64, i64 } %t304, ptr %a306
-  store { ptr, i64, i64 } { ptr @.str.1775, i64 7, i64 0 }, ptr %a307
-  call void @finch_str_concat(ptr %a305, ptr %a306, ptr %a307)
-  %t308 = load { ptr, i64, i64 }, ptr %a305
-  %t309 = call { ptr, i64, i64 } @finch.gen.op(ptr %t299, { ptr, i64, i64 } %t308)
-  store { ptr, i64, i64 } { ptr @.str.1773, i64 39, i64 0 }, ptr %a311
-  store { ptr, i64, i64 } %t309, ptr %a312
-  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
-  %t313 = load { ptr, i64, i64 }, ptr %a310
-  store { ptr, i64, i64 } %t313, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.1776, i64 1, i64 0 }, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.emit(ptr %t298, { ptr, i64, i64 } %t317)
+inrange2927:
+  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 %t297
+  %t303 = load { ptr, i64, i64 }, ptr %t302
+  call void @finch.gen.bufText(ptr %t295, { ptr, i64, i64 } { ptr @.str.1842, i64 4, i64 0 }, { ptr, i64, i64 } %t303)
+  %t304 = load ptr, ptr %a1
+  %t305 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.br(ptr %t304, { ptr, i64, i64 } %t305)
+  br label %for.step2922
+for.step2922:
+  %t306 = load i64, ptr %a284
+  %t307 = add i64 %t306, 1
+  store i64 %t307, ptr %a284
+  br label %for.cond2920
+for.end2923:
+  %t308 = load ptr, ptr %a1
+  %t309 = load { ptr, i64, i64 }, ptr %a182
+  call void @finch.gen.label(ptr %t308, { ptr, i64, i64 } %t309)
+  %t310 = load ptr, ptr %a1
+  %t311 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 1
+  %t312 = load { ptr, i64, i64 }, ptr %t311
+  store { ptr, i64, i64 } %t312, ptr %a314
+  store { ptr, i64, i64 } { ptr @.str.1845, i64 1, i64 0 }, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  %t316 = load { ptr, i64, i64 }, ptr %a313
+  call void @finch.gen.bufText(ptr %t310, { ptr, i64, i64 } { ptr @.str.1844, i64 4, i64 0 }, { ptr, i64, i64 } %t316)
+  store { ptr, i64, i64 } %t316, ptr %a317
+  call void @finch_str_drop(ptr %a317)
   %t318 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t318, { ptr, i64, i64 } { ptr @.str.1777, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1778, i64 1, i64 0 })
   %t319 = load ptr, ptr %a1
-  %t320 = load { ptr, i64, i64 }, ptr %a176
-  call void @finch.gen.br(ptr %t319, { ptr, i64, i64 } %t320)
-  %t321 = load ptr, ptr %a1
-  %t322 = load { ptr, i64, i64 }, ptr %a176
-  call void @finch.gen.label(ptr %t321, { ptr, i64, i64 } %t322)
-  br label %endif2724
-else2723:
-  %t323 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t324 = load { ptr, i64, i64 }, ptr %t323
-  store { ptr, i64, i64 } %t324, ptr %a325
-  store { ptr, i64, i64 } { ptr @.str.1779, i64 3, i64 0 }, ptr %a326
-  %t327 = call i32 @finch_str_eq(ptr %a325, ptr %a326)
-  %t328 = icmp ne i32 %t327, 0
-  br i1 %t328, label %then2747, label %else2748
-then2747:
-  %t329 = load ptr, ptr %a1
-  %t330 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t329, { ptr, i64, i64 } { ptr @.str.1780, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t330, ptr %a331
-  %t332 = load ptr, ptr %a1
-  %t333 = load { ptr, i64, i64 }, ptr %a331
-  call void @finch.gen.store(ptr %t332, { ptr, i64, i64 } { ptr @.str.1781, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1782, i64 4, i64 0 }, { ptr, i64, i64 } %t333)
-  %t334 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t334, { ptr, i64, i64 } { ptr @.str.1783, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1784, i64 1, i64 0 })
-  %t335 = load ptr, ptr %a1
-  %t336 = load ptr, ptr %a1
-  %t337 = load ptr, ptr %a1
-  %t338 = load %S.ast.Type, ptr %a2
-  %t339 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t337, %S.ast.Type %t338)
-  store { ptr, i64, i64 } { ptr @.str.1786, i64 23, i64 0 }, ptr %a341
-  store { ptr, i64, i64 } %t339, ptr %a342
-  call void @finch_str_concat(ptr %a340, ptr %a341, ptr %a342)
-  %t343 = load { ptr, i64, i64 }, ptr %a340
-  store { ptr, i64, i64 } %t343, ptr %a345
-  store { ptr, i64, i64 } { ptr @.str.1787, i64 22, i64 0 }, ptr %a346
-  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
-  %t347 = load { ptr, i64, i64 }, ptr %a344
-  %t348 = call { ptr, i64, i64 } @finch.gen.op(ptr %t336, { ptr, i64, i64 } %t347)
-  %t349 = call { ptr, i64, i64 } @finch.gen.load(ptr %t335, { ptr, i64, i64 } { ptr @.str.1785, i64 3, i64 0 }, { ptr, i64, i64 } %t348)
+  %t320 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } { ptr @.str.1847, i64 9, i64 0 }, ptr %a322
+  store { ptr, i64, i64 } %t320, ptr %a323
+  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a321
+  store { ptr, i64, i64 } %t324, ptr %a326
+  store { ptr, i64, i64 } { ptr @.str.1848, i64 7, i64 0 }, ptr %a327
+  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
+  store { ptr, i64, i64 } %t324, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a325
+  %t330 = call { ptr, i64, i64 } @finch.gen.op(ptr %t319, { ptr, i64, i64 } %t329)
+  store { ptr, i64, i64 } %t329, ptr %a331
+  call void @finch_str_drop(ptr %a331)
+  store { ptr, i64, i64 } { ptr @.str.1846, i64 39, i64 0 }, ptr %a333
+  store { ptr, i64, i64 } %t330, ptr %a334
+  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
+  store { ptr, i64, i64 } %t330, ptr %a335
+  call void @finch_str_drop(ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a332
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.1849, i64 1, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  store { ptr, i64, i64 } %t336, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  %t341 = load { ptr, i64, i64 }, ptr %a337
+  call void @finch.gen.emit(ptr %t318, { ptr, i64, i64 } %t341)
+  store { ptr, i64, i64 } %t341, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t343, { ptr, i64, i64 } { ptr @.str.1850, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1851, i64 1, i64 0 })
+  %t344 = load ptr, ptr %a1
+  %t345 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.br(ptr %t344, { ptr, i64, i64 } %t345)
+  %t346 = load ptr, ptr %a1
+  %t347 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.label(ptr %t346, { ptr, i64, i64 } %t347)
+  call void @finch.drop.arr_str(ptr %a187)
+  call void @finch.drop.arr_str(ptr %a186)
+  call void @finch_str_drop(ptr %a185)
+  call void @finch_str_drop(ptr %a182)
+  call void @finch_str_drop(ptr %a179)
+  call void @finch.drop.S_gen_EnumDef(ptr %a176)
+  br label %endif2905
+else2904:
+  %t348 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t349 = load { ptr, i64, i64 }, ptr %t348
   store { ptr, i64, i64 } %t349, ptr %a350
-  %t351 = load ptr, ptr %a1
-  %t352 = load { ptr, i64, i64 }, ptr %a350
-  %t353 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t351, { ptr, i64, i64 } %t352)
-  store { ptr, i64, i64 } %t353, ptr %a354
-  %t355 = load ptr, ptr %a1
-  %t356 = load %S.ast.Type, ptr %a2
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  %t358 = extractvalue { ptr, i64, i64 } %t357, 1
-  %t359 = icmp uge i64 3, %t358
-  br i1 %t359, label %range2750, label %inrange2751
-range2750:
-  call void @finch_panic_index(ptr @.str.1789, i64 1020, i64 3, i64 %t358)
-  unreachable
-inrange2751:
-  %t360 = extractvalue { ptr, i64, i64 } %t357, 0
-  %t361 = getelementptr inbounds { ptr, i64, i64 }, ptr %t360, i64 3
-  %t362 = load { ptr, i64, i64 }, ptr %t361
-  %t363 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t355, { ptr, i64, i64 } { ptr @.str.1788, i64 2, i64 0 }, %S.ast.Type %t356, { ptr, i64, i64 } %t362)
-  store { ptr, i64, i64 } %t363, ptr %a364
-  %t365 = load ptr, ptr %a1
-  %t366 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t365, { ptr, i64, i64 } { ptr @.str.1790, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t366, ptr %a367
-  %t368 = load ptr, ptr %a1
-  %t369 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t368, { ptr, i64, i64 } { ptr @.str.1791, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t369, ptr %a370
-  %t371 = load ptr, ptr %a1
-  %t372 = load ptr, ptr %a1
-  %t373 = load ptr, ptr %a1
-  %t374 = load ptr, ptr %a1
-  %t375 = load { ptr, i64, i64 }, ptr %a364
-  %t376 = load %S.ast.Type, ptr %a2
-  %t377 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t374, { ptr, i64, i64 } %t375, %S.ast.Type %t376, i64 0)
-  %t378 = call { ptr, i64, i64 } @finch.gen.load(ptr %t373, { ptr, i64, i64 } { ptr @.str.1793, i64 3, i64 0 }, { ptr, i64, i64 } %t377)
-  store { ptr, i64, i64 } { ptr @.str.1792, i64 12, i64 0 }, ptr %a380
-  store { ptr, i64, i64 } %t378, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  store { ptr, i64, i64 } %t382, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.1794, i64 3, i64 0 }, ptr %a385
-  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
+  store { ptr, i64, i64 } { ptr @.str.1852, i64 3, i64 0 }, ptr %a351
+  %t352 = call i32 @finch_str_eq(ptr %a350, ptr %a351)
+  %t353 = icmp ne i32 %t352, 0
+  br i1 %t353, label %then2928, label %else2929
+then2928:
+  %t354 = load ptr, ptr %a1
+  %t355 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t354, { ptr, i64, i64 } { ptr @.str.1853, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t355, ptr %a356
+  %t357 = load ptr, ptr %a1
+  %t358 = load { ptr, i64, i64 }, ptr %a356
+  call void @finch.gen.store(ptr %t357, { ptr, i64, i64 } { ptr @.str.1854, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1855, i64 4, i64 0 }, { ptr, i64, i64 } %t358)
+  %t359 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t359, { ptr, i64, i64 } { ptr @.str.1856, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1857, i64 1, i64 0 })
+  %t360 = load ptr, ptr %a1
+  %t361 = load ptr, ptr %a1
+  %t362 = load ptr, ptr %a1
+  %t363 = load %S.ast.Type, ptr %a2
+  %t364 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t362, %S.ast.Type %t363)
+  store { ptr, i64, i64 } { ptr @.str.1859, i64 23, i64 0 }, ptr %a366
+  store { ptr, i64, i64 } %t364, ptr %a367
+  call void @finch_str_concat(ptr %a365, ptr %a366, ptr %a367)
+  store { ptr, i64, i64 } %t364, ptr %a368
+  call void @finch_str_drop(ptr %a368)
+  %t369 = load { ptr, i64, i64 }, ptr %a365
+  store { ptr, i64, i64 } %t369, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1860, i64 22, i64 0 }, ptr %a372
+  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
+  store { ptr, i64, i64 } %t369, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a370
+  %t375 = call { ptr, i64, i64 } @finch.gen.op(ptr %t361, { ptr, i64, i64 } %t374)
+  store { ptr, i64, i64 } %t374, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = call { ptr, i64, i64 } @finch.gen.load(ptr %t360, { ptr, i64, i64 } { ptr @.str.1858, i64 3, i64 0 }, { ptr, i64, i64 } %t375)
+  store { ptr, i64, i64 } %t375, ptr %a378
+  call void @finch_str_drop(ptr %a378)
+  store { ptr, i64, i64 } %t377, ptr %a379
+  %t380 = load ptr, ptr %a1
+  %t381 = load { ptr, i64, i64 }, ptr %a379
+  %t382 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t380, { ptr, i64, i64 } %t381)
+  store { ptr, i64, i64 } %t382, ptr %a383
+  %t384 = load ptr, ptr %a1
+  %t385 = load %S.ast.Type, ptr %a2
   %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = call { ptr, i64, i64 } @finch.gen.op(ptr %t372, { ptr, i64, i64 } %t386)
-  %t388 = load { ptr, i64, i64 }, ptr %a367
-  %t389 = load { ptr, i64, i64 }, ptr %a370
-  call void @finch.gen.condBr(ptr %t371, { ptr, i64, i64 } %t387, { ptr, i64, i64 } %t388, { ptr, i64, i64 } %t389)
-  %t390 = load ptr, ptr %a1
-  %t391 = load { ptr, i64, i64 }, ptr %a367
-  call void @finch.gen.label(ptr %t390, { ptr, i64, i64 } %t391)
-  %t392 = load ptr, ptr %a1
-  %t393 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t392, { ptr, i64, i64 } { ptr @.str.1795, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t393, ptr %a394
-  %t395 = load ptr, ptr %a1
-  %t396 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t395, { ptr, i64, i64 } { ptr @.str.1796, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t396, ptr %a397
-  %t398 = load ptr, ptr %a1
-  %t399 = load ptr, ptr %a1
-  %t400 = load { ptr, i64, i64 }, ptr %a331
-  %t401 = call { ptr, i64, i64 } @finch.gen.load(ptr %t399, { ptr, i64, i64 } { ptr @.str.1797, i64 2, i64 0 }, { ptr, i64, i64 } %t400)
-  %t402 = load { ptr, i64, i64 }, ptr %a397
-  %t403 = load { ptr, i64, i64 }, ptr %a394
-  call void @finch.gen.condBr(ptr %t398, { ptr, i64, i64 } %t401, { ptr, i64, i64 } %t402, { ptr, i64, i64 } %t403)
-  %t404 = load ptr, ptr %a1
-  %t405 = load { ptr, i64, i64 }, ptr %a394
-  call void @finch.gen.label(ptr %t404, { ptr, i64, i64 } %t405)
-  %t406 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t406, { ptr, i64, i64 } { ptr @.str.1798, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1799, i64 2, i64 0 })
-  %t407 = load ptr, ptr %a1
-  %t408 = load { ptr, i64, i64 }, ptr %a397
-  call void @finch.gen.br(ptr %t407, { ptr, i64, i64 } %t408)
-  %t409 = load ptr, ptr %a1
-  %t410 = load { ptr, i64, i64 }, ptr %a397
-  call void @finch.gen.label(ptr %t409, { ptr, i64, i64 } %t410)
-  %t411 = load ptr, ptr %a1
-  %t412 = load { ptr, i64, i64 }, ptr %a331
-  call void @finch.gen.store(ptr %t411, { ptr, i64, i64 } { ptr @.str.1800, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1801, i64 5, i64 0 }, { ptr, i64, i64 } %t412)
-  %t413 = load ptr, ptr %a1
-  %t414 = load ptr, ptr %a1
-  %t415 = load ptr, ptr %a1
-  %t416 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t417 = load { ptr, i64, i64 }, ptr %t416
-  %t418 = extractvalue { ptr, i64, i64 } %t417, 1
-  %t419 = icmp uge i64 0, %t418
-  br i1 %t419, label %range2752, label %inrange2753
-range2752:
-  call void @finch_panic_index(ptr @.str.1803, i64 1033, i64 0, i64 %t418)
+  %t387 = extractvalue { ptr, i64, i64 } %t386, 1
+  %t388 = icmp uge i64 3, %t387
+  br i1 %t388, label %range2931, label %inrange2932
+range2931:
+  call void @finch_panic_index(ptr @.str.1862, i64 1155, i64 3, i64 %t387)
   unreachable
-inrange2753:
-  %t420 = extractvalue { ptr, i64, i64 } %t417, 0
-  %t421 = getelementptr inbounds %S.ast.Type, ptr %t420, i64 0
-  %t422 = load %S.ast.Type, ptr %t421
-  %t423 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t415, %S.ast.Type %t422)
+inrange2932:
+  %t389 = extractvalue { ptr, i64, i64 } %t386, 0
+  %t390 = getelementptr inbounds { ptr, i64, i64 }, ptr %t389, i64 3
+  %t391 = load { ptr, i64, i64 }, ptr %t390
+  %t392 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t384, { ptr, i64, i64 } { ptr @.str.1861, i64 2, i64 0 }, %S.ast.Type %t385, { ptr, i64, i64 } %t391)
+  store { ptr, i64, i64 } %t392, ptr %a393
+  %t394 = load ptr, ptr %a1
+  %t395 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t394, { ptr, i64, i64 } { ptr @.str.1863, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t395, ptr %a396
+  %t397 = load ptr, ptr %a1
+  %t398 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t397, { ptr, i64, i64 } { ptr @.str.1864, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t398, ptr %a399
+  %t400 = load ptr, ptr %a1
+  %t401 = load ptr, ptr %a1
+  %t402 = load ptr, ptr %a1
+  %t403 = load ptr, ptr %a1
+  %t404 = load { ptr, i64, i64 }, ptr %a393
+  %t405 = load %S.ast.Type, ptr %a2
+  %t406 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t403, { ptr, i64, i64 } %t404, %S.ast.Type %t405, i64 0)
+  %t407 = call { ptr, i64, i64 } @finch.gen.load(ptr %t402, { ptr, i64, i64 } { ptr @.str.1866, i64 3, i64 0 }, { ptr, i64, i64 } %t406)
+  store { ptr, i64, i64 } %t406, ptr %a408
+  call void @finch_str_drop(ptr %a408)
+  store { ptr, i64, i64 } { ptr @.str.1865, i64 12, i64 0 }, ptr %a410
+  store { ptr, i64, i64 } %t407, ptr %a411
+  call void @finch_str_concat(ptr %a409, ptr %a410, ptr %a411)
+  store { ptr, i64, i64 } %t407, ptr %a412
+  call void @finch_str_drop(ptr %a412)
+  %t413 = load { ptr, i64, i64 }, ptr %a409
+  store { ptr, i64, i64 } %t413, ptr %a415
+  store { ptr, i64, i64 } { ptr @.str.1867, i64 3, i64 0 }, ptr %a416
+  call void @finch_str_concat(ptr %a414, ptr %a415, ptr %a416)
+  store { ptr, i64, i64 } %t413, ptr %a417
+  call void @finch_str_drop(ptr %a417)
+  %t418 = load { ptr, i64, i64 }, ptr %a414
+  %t419 = call { ptr, i64, i64 } @finch.gen.op(ptr %t401, { ptr, i64, i64 } %t418)
+  store { ptr, i64, i64 } %t418, ptr %a420
+  call void @finch_str_drop(ptr %a420)
+  %t421 = load { ptr, i64, i64 }, ptr %a396
+  %t422 = load { ptr, i64, i64 }, ptr %a399
+  call void @finch.gen.condBr(ptr %t400, { ptr, i64, i64 } %t419, { ptr, i64, i64 } %t421, { ptr, i64, i64 } %t422)
+  store { ptr, i64, i64 } %t419, ptr %a423
+  call void @finch_str_drop(ptr %a423)
   %t424 = load ptr, ptr %a1
-  %t425 = load { ptr, i64, i64 }, ptr %a364
-  %t426 = load %S.ast.Type, ptr %a2
-  %t427 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t424, { ptr, i64, i64 } %t425, %S.ast.Type %t426, i64 1)
-  %t428 = call { ptr, i64, i64 } @finch.gen.load(ptr %t414, { ptr, i64, i64 } %t423, { ptr, i64, i64 } %t427)
-  %t429 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t430 = load { ptr, i64, i64 }, ptr %t429
-  %t431 = extractvalue { ptr, i64, i64 } %t430, 1
-  %t432 = icmp uge i64 0, %t431
-  br i1 %t432, label %range2754, label %inrange2755
-range2754:
-  call void @finch_panic_index(ptr @.str.1804, i64 1033, i64 0, i64 %t431)
-  unreachable
-inrange2755:
-  %t433 = extractvalue { ptr, i64, i64 } %t430, 0
-  %t434 = getelementptr inbounds %S.ast.Type, ptr %t433, i64 0
-  %t435 = load %S.ast.Type, ptr %t434
-  call void @finch.gen.emitFormat(ptr %t413, { ptr, i64, i64 } { ptr @.str.1802, i64 4, i64 0 }, { ptr, i64, i64 } %t428, %S.ast.Type %t435, i1 true)
-  %t436 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t436, { ptr, i64, i64 } { ptr @.str.1805, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1806, i64 2, i64 0 })
-  %t437 = load ptr, ptr %a1
-  %t438 = load ptr, ptr %a1
+  %t425 = load { ptr, i64, i64 }, ptr %a396
+  call void @finch.gen.label(ptr %t424, { ptr, i64, i64 } %t425)
+  %t426 = load ptr, ptr %a1
+  %t427 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t426, { ptr, i64, i64 } { ptr @.str.1868, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t427, ptr %a428
+  %t429 = load ptr, ptr %a1
+  %t430 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t429, { ptr, i64, i64 } { ptr @.str.1869, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t430, ptr %a431
+  %t432 = load ptr, ptr %a1
+  %t433 = load ptr, ptr %a1
+  %t434 = load { ptr, i64, i64 }, ptr %a356
+  %t435 = call { ptr, i64, i64 } @finch.gen.load(ptr %t433, { ptr, i64, i64 } { ptr @.str.1870, i64 2, i64 0 }, { ptr, i64, i64 } %t434)
+  %t436 = load { ptr, i64, i64 }, ptr %a431
+  %t437 = load { ptr, i64, i64 }, ptr %a428
+  call void @finch.gen.condBr(ptr %t432, { ptr, i64, i64 } %t435, { ptr, i64, i64 } %t436, { ptr, i64, i64 } %t437)
+  store { ptr, i64, i64 } %t435, ptr %a438
+  call void @finch_str_drop(ptr %a438)
   %t439 = load ptr, ptr %a1
-  %t440 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t441 = load { ptr, i64, i64 }, ptr %t440
-  %t442 = extractvalue { ptr, i64, i64 } %t441, 1
-  %t443 = icmp uge i64 1, %t442
-  br i1 %t443, label %range2756, label %inrange2757
-range2756:
-  call void @finch_panic_index(ptr @.str.1808, i64 1035, i64 1, i64 %t442)
-  unreachable
-inrange2757:
-  %t444 = extractvalue { ptr, i64, i64 } %t441, 0
-  %t445 = getelementptr inbounds %S.ast.Type, ptr %t444, i64 1
-  %t446 = load %S.ast.Type, ptr %t445
-  %t447 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t439, %S.ast.Type %t446)
+  %t440 = load { ptr, i64, i64 }, ptr %a428
+  call void @finch.gen.label(ptr %t439, { ptr, i64, i64 } %t440)
+  %t441 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t441, { ptr, i64, i64 } { ptr @.str.1871, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1872, i64 2, i64 0 })
+  %t442 = load ptr, ptr %a1
+  %t443 = load { ptr, i64, i64 }, ptr %a431
+  call void @finch.gen.br(ptr %t442, { ptr, i64, i64 } %t443)
+  %t444 = load ptr, ptr %a1
+  %t445 = load { ptr, i64, i64 }, ptr %a431
+  call void @finch.gen.label(ptr %t444, { ptr, i64, i64 } %t445)
+  %t446 = load ptr, ptr %a1
+  %t447 = load { ptr, i64, i64 }, ptr %a356
+  call void @finch.gen.store(ptr %t446, { ptr, i64, i64 } { ptr @.str.1873, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1874, i64 5, i64 0 }, { ptr, i64, i64 } %t447)
   %t448 = load ptr, ptr %a1
-  %t449 = load { ptr, i64, i64 }, ptr %a364
-  %t450 = load %S.ast.Type, ptr %a2
-  %t451 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t448, { ptr, i64, i64 } %t449, %S.ast.Type %t450, i64 2)
-  %t452 = call { ptr, i64, i64 } @finch.gen.load(ptr %t438, { ptr, i64, i64 } %t447, { ptr, i64, i64 } %t451)
-  %t453 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t454 = load { ptr, i64, i64 }, ptr %t453
-  %t455 = extractvalue { ptr, i64, i64 } %t454, 1
-  %t456 = icmp uge i64 1, %t455
-  br i1 %t456, label %range2758, label %inrange2759
-range2758:
-  call void @finch_panic_index(ptr @.str.1809, i64 1035, i64 1, i64 %t455)
+  %t449 = load ptr, ptr %a1
+  %t450 = load ptr, ptr %a1
+  %t451 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t452 = load { ptr, i64, i64 }, ptr %t451
+  %t453 = extractvalue { ptr, i64, i64 } %t452, 1
+  %t454 = icmp uge i64 0, %t453
+  br i1 %t454, label %range2933, label %inrange2934
+range2933:
+  call void @finch_panic_index(ptr @.str.1876, i64 1168, i64 0, i64 %t453)
   unreachable
-inrange2759:
-  %t457 = extractvalue { ptr, i64, i64 } %t454, 0
-  %t458 = getelementptr inbounds %S.ast.Type, ptr %t457, i64 1
-  %t459 = load %S.ast.Type, ptr %t458
-  call void @finch.gen.emitFormat(ptr %t437, { ptr, i64, i64 } { ptr @.str.1807, i64 4, i64 0 }, { ptr, i64, i64 } %t452, %S.ast.Type %t459, i1 true)
-  %t460 = load ptr, ptr %a1
-  %t461 = load { ptr, i64, i64 }, ptr %a370
-  call void @finch.gen.br(ptr %t460, { ptr, i64, i64 } %t461)
-  %t462 = load ptr, ptr %a1
-  %t463 = load { ptr, i64, i64 }, ptr %a370
-  call void @finch.gen.label(ptr %t462, { ptr, i64, i64 } %t463)
-  %t464 = load ptr, ptr %a1
-  %t465 = load { ptr, i64, i64 }, ptr %a354
-  call void @finch.gen.loopEnd(ptr %t464, { ptr, i64, i64 } %t465)
-  %t466 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t466, { ptr, i64, i64 } { ptr @.str.1810, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1811, i64 1, i64 0 })
-  br label %endif2749
-else2748:
-  %t467 = load ptr, ptr %a1
-  %t468 = icmp eq ptr %t467, null
-  br i1 %t468, label %panic2760, label %ok2761
-panic2760:
-  call void @finch_panic(ptr @.str.1812, i64 1041, ptr @.str.1813)
+inrange2934:
+  %t455 = extractvalue { ptr, i64, i64 } %t452, 0
+  %t456 = getelementptr inbounds %S.ast.Type, ptr %t455, i64 0
+  %t457 = load %S.ast.Type, ptr %t456
+  %t458 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t450, %S.ast.Type %t457)
+  %t459 = load ptr, ptr %a1
+  %t460 = load { ptr, i64, i64 }, ptr %a393
+  %t461 = load %S.ast.Type, ptr %a2
+  %t462 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t459, { ptr, i64, i64 } %t460, %S.ast.Type %t461, i64 1)
+  %t463 = call { ptr, i64, i64 } @finch.gen.load(ptr %t449, { ptr, i64, i64 } %t458, { ptr, i64, i64 } %t462)
+  store { ptr, i64, i64 } %t458, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  store { ptr, i64, i64 } %t462, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  %t466 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t467 = load { ptr, i64, i64 }, ptr %t466
+  %t468 = extractvalue { ptr, i64, i64 } %t467, 1
+  %t469 = icmp uge i64 0, %t468
+  br i1 %t469, label %range2935, label %inrange2936
+range2935:
+  call void @finch_panic_index(ptr @.str.1877, i64 1168, i64 0, i64 %t468)
   unreachable
-ok2761:
-  %t469 = getelementptr inbounds %S.gen.Gen, ptr %t467, i32 0, i32 15
-  %t470 = load ptr, ptr %a1
-  %t471 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t472 = load { ptr, i64, i64 }, ptr %t471
-  %t473 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t474 = load { ptr, i64, i64 }, ptr %t473
-  %t475 = call i64 @finch.gen.findStruct(ptr %t470, { ptr, i64, i64 } %t472, { ptr, i64, i64 } %t474)
-  %t476 = load { ptr, i64, i64 }, ptr %t469
-  %t477 = extractvalue { ptr, i64, i64 } %t476, 1
-  %t478 = icmp uge i64 %t475, %t477
-  br i1 %t478, label %range2762, label %inrange2763
-range2762:
-  call void @finch_panic_index(ptr @.str.1814, i64 1041, i64 %t475, i64 %t477)
+inrange2936:
+  %t470 = extractvalue { ptr, i64, i64 } %t467, 0
+  %t471 = getelementptr inbounds %S.ast.Type, ptr %t470, i64 0
+  %t472 = load %S.ast.Type, ptr %t471
+  call void @finch.gen.emitFormat(ptr %t448, { ptr, i64, i64 } { ptr @.str.1875, i64 4, i64 0 }, { ptr, i64, i64 } %t463, %S.ast.Type %t472, i1 true)
+  store { ptr, i64, i64 } %t463, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  %t474 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t474, { ptr, i64, i64 } { ptr @.str.1878, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1879, i64 2, i64 0 })
+  %t475 = load ptr, ptr %a1
+  %t476 = load ptr, ptr %a1
+  %t477 = load ptr, ptr %a1
+  %t478 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t479 = load { ptr, i64, i64 }, ptr %t478
+  %t480 = extractvalue { ptr, i64, i64 } %t479, 1
+  %t481 = icmp uge i64 1, %t480
+  br i1 %t481, label %range2937, label %inrange2938
+range2937:
+  call void @finch_panic_index(ptr @.str.1881, i64 1170, i64 1, i64 %t480)
   unreachable
-inrange2763:
-  %t479 = extractvalue { ptr, i64, i64 } %t476, 0
-  %t480 = getelementptr inbounds %S.gen.StructDef, ptr %t479, i64 %t475
-  %t481 = load %S.gen.StructDef, ptr %t480
-  store %S.gen.StructDef %t481, ptr %a482
-  call void @finch.copy.S_gen_StructDef(ptr %a483, ptr %a482)
-  %t484 = load %S.gen.StructDef, ptr %a483
-  store %S.gen.StructDef %t484, ptr %a485
+inrange2938:
+  %t482 = extractvalue { ptr, i64, i64 } %t479, 0
+  %t483 = getelementptr inbounds %S.ast.Type, ptr %t482, i64 1
+  %t484 = load %S.ast.Type, ptr %t483
+  %t485 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t477, %S.ast.Type %t484)
   %t486 = load ptr, ptr %a1
-  %t487 = load %S.ast.Type, ptr %a2
-  %t488 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t486, %S.ast.Type %t487)
-  store { ptr, i64, i64 } %t488, ptr %a489
-  %t490 = load ptr, ptr %a1
-  %t491 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 1
-  %t492 = load { ptr, i64, i64 }, ptr %t491
-  store { ptr, i64, i64 } %t492, ptr %a494
-  store { ptr, i64, i64 } { ptr @.str.1816, i64 1, i64 0 }, ptr %a495
-  call void @finch_str_concat(ptr %a493, ptr %a494, ptr %a495)
-  %t496 = load { ptr, i64, i64 }, ptr %a493
-  call void @finch.gen.bufText(ptr %t490, { ptr, i64, i64 } { ptr @.str.1815, i64 4, i64 0 }, { ptr, i64, i64 } %t496)
-  %t497 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 12
-  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t497, i32 0, i32 1
-  %t499 = load i64, ptr %t498
-  store i64 0, ptr %a500
-  br label %for.cond2764
-for.cond2764:
-  %t501 = load i64, ptr %a500
-  %t502 = icmp slt i64 %t501, %t499
-  br i1 %t502, label %for.body2765, label %for.end2767
-for.body2765:
-  store { ptr, i64, i64 } { ptr @.str.1817, i64 2, i64 0 }, ptr %a503
-  %t504 = load i64, ptr %a500
-  %t505 = icmp eq i64 %t504, 0
-  br i1 %t505, label %then2768, label %endif2770
-then2768:
-  store { ptr, i64, i64 } { ptr @.str.1818, i64 0, i64 0 }, ptr %a503
-  br label %endif2770
-endif2770:
-  %t506 = load ptr, ptr %a1
-  %t507 = load { ptr, i64, i64 }, ptr %a503
-  %t508 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 11
-  %t509 = load i64, ptr %a500
-  %t510 = load { ptr, i64, i64 }, ptr %t508
-  %t511 = extractvalue { ptr, i64, i64 } %t510, 1
-  %t512 = icmp uge i64 %t509, %t511
-  br i1 %t512, label %range2771, label %inrange2772
-range2771:
-  call void @finch_panic_index(ptr @.str.1820, i64 1049, i64 %t509, i64 %t511)
+  %t487 = load { ptr, i64, i64 }, ptr %a393
+  %t488 = load %S.ast.Type, ptr %a2
+  %t489 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t486, { ptr, i64, i64 } %t487, %S.ast.Type %t488, i64 2)
+  %t490 = call { ptr, i64, i64 } @finch.gen.load(ptr %t476, { ptr, i64, i64 } %t485, { ptr, i64, i64 } %t489)
+  store { ptr, i64, i64 } %t485, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  store { ptr, i64, i64 } %t489, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t494 = load { ptr, i64, i64 }, ptr %t493
+  %t495 = extractvalue { ptr, i64, i64 } %t494, 1
+  %t496 = icmp uge i64 1, %t495
+  br i1 %t496, label %range2939, label %inrange2940
+range2939:
+  call void @finch_panic_index(ptr @.str.1882, i64 1170, i64 1, i64 %t495)
   unreachable
-inrange2772:
-  %t513 = extractvalue { ptr, i64, i64 } %t510, 0
-  %t514 = getelementptr inbounds { ptr, i64, i64 }, ptr %t513, i64 %t509
+inrange2940:
+  %t497 = extractvalue { ptr, i64, i64 } %t494, 0
+  %t498 = getelementptr inbounds %S.ast.Type, ptr %t497, i64 1
+  %t499 = load %S.ast.Type, ptr %t498
+  call void @finch.gen.emitFormat(ptr %t475, { ptr, i64, i64 } { ptr @.str.1880, i64 4, i64 0 }, { ptr, i64, i64 } %t490, %S.ast.Type %t499, i1 true)
+  store { ptr, i64, i64 } %t490, ptr %a500
+  call void @finch_str_drop(ptr %a500)
+  %t501 = load ptr, ptr %a1
+  %t502 = load { ptr, i64, i64 }, ptr %a399
+  call void @finch.gen.br(ptr %t501, { ptr, i64, i64 } %t502)
+  %t503 = load ptr, ptr %a1
+  %t504 = load { ptr, i64, i64 }, ptr %a399
+  call void @finch.gen.label(ptr %t503, { ptr, i64, i64 } %t504)
+  %t505 = load ptr, ptr %a1
+  %t506 = load { ptr, i64, i64 }, ptr %a383
+  call void @finch.gen.loopEnd(ptr %t505, { ptr, i64, i64 } %t506)
+  %t507 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t507, { ptr, i64, i64 } { ptr @.str.1883, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1884, i64 1, i64 0 })
+  call void @finch_str_drop(ptr %a431)
+  call void @finch_str_drop(ptr %a428)
+  call void @finch_str_drop(ptr %a399)
+  call void @finch_str_drop(ptr %a396)
+  call void @finch_str_drop(ptr %a393)
+  call void @finch.drop.arr_str(ptr %a383)
+  call void @finch_str_drop(ptr %a379)
+  call void @finch_str_drop(ptr %a356)
+  br label %endif2930
+else2929:
+  %t508 = load ptr, ptr %a1
+  %t509 = icmp eq ptr %t508, null
+  br i1 %t509, label %panic2941, label %ok2942
+panic2941:
+  call void @finch_panic(ptr @.str.1885, i64 1176, ptr @.str.1886)
+  unreachable
+ok2942:
+  %t510 = getelementptr inbounds %S.gen.Gen, ptr %t508, i32 0, i32 16
+  %t511 = load ptr, ptr %a1
+  %t512 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t513 = load { ptr, i64, i64 }, ptr %t512
+  %t514 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t515 = load { ptr, i64, i64 }, ptr %t514
-  store { ptr, i64, i64 } %t507, ptr %a517
-  store { ptr, i64, i64 } %t515, ptr %a518
-  call void @finch_str_concat(ptr %a516, ptr %a517, ptr %a518)
-  %t519 = load { ptr, i64, i64 }, ptr %a516
-  store { ptr, i64, i64 } %t519, ptr %a521
-  store { ptr, i64, i64 } { ptr @.str.1821, i64 2, i64 0 }, ptr %a522
-  call void @finch_str_concat(ptr %a520, ptr %a521, ptr %a522)
-  %t523 = load { ptr, i64, i64 }, ptr %a520
-  call void @finch.gen.bufText(ptr %t506, { ptr, i64, i64 } { ptr @.str.1819, i64 4, i64 0 }, { ptr, i64, i64 } %t523)
-  %t524 = load ptr, ptr %a1
-  %t525 = load { ptr, i64, i64 }, ptr %a489
-  store { ptr, i64, i64 } { ptr @.str.1822, i64 23, i64 0 }, ptr %a527
-  store { ptr, i64, i64 } %t525, ptr %a528
-  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
-  %t529 = load { ptr, i64, i64 }, ptr %a526
-  store { ptr, i64, i64 } %t529, ptr %a531
-  store { ptr, i64, i64 } { ptr @.str.1823, i64 21, i64 0 }, ptr %a532
-  call void @finch_str_concat(ptr %a530, ptr %a531, ptr %a532)
-  %t533 = load { ptr, i64, i64 }, ptr %a530
-  %t534 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 3
-  %t535 = load i64, ptr %a500
-  %t536 = load { ptr, i64, i64 }, ptr %t534
-  %t537 = extractvalue { ptr, i64, i64 } %t536, 1
-  %t538 = icmp uge i64 %t535, %t537
-  br i1 %t538, label %range2773, label %inrange2774
-range2773:
-  call void @finch_panic_index(ptr @.str.1824, i64 1050, i64 %t535, i64 %t537)
+  %t516 = call i64 @finch.gen.findStruct(ptr %t511, { ptr, i64, i64 } %t513, { ptr, i64, i64 } %t515)
+  %t517 = load { ptr, i64, i64 }, ptr %t510
+  %t518 = extractvalue { ptr, i64, i64 } %t517, 1
+  %t519 = icmp uge i64 %t516, %t518
+  br i1 %t519, label %range2943, label %inrange2944
+range2943:
+  call void @finch_panic_index(ptr @.str.1887, i64 1176, i64 %t516, i64 %t518)
   unreachable
-inrange2774:
-  %t539 = extractvalue { ptr, i64, i64 } %t536, 0
-  %t540 = getelementptr inbounds i64, ptr %t539, i64 %t535
+inrange2944:
+  %t520 = extractvalue { ptr, i64, i64 } %t517, 0
+  %t521 = getelementptr inbounds %S.gen.StructDef, ptr %t520, i64 %t516
+  %t522 = load %S.gen.StructDef, ptr %t521
+  store %S.gen.StructDef %t522, ptr %a523
+  call void @finch.copy.S_gen_StructDef(ptr %a524, ptr %a523)
+  %t525 = load %S.gen.StructDef, ptr %a524
+  store %S.gen.StructDef %t525, ptr %a526
+  %t527 = load ptr, ptr %a1
+  %t528 = load %S.ast.Type, ptr %a2
+  %t529 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t527, %S.ast.Type %t528)
+  store { ptr, i64, i64 } %t529, ptr %a530
+  %t531 = load ptr, ptr %a1
+  %t532 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 1
+  %t533 = load { ptr, i64, i64 }, ptr %t532
+  store { ptr, i64, i64 } %t533, ptr %a535
+  store { ptr, i64, i64 } { ptr @.str.1889, i64 1, i64 0 }, ptr %a536
+  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
+  %t537 = load { ptr, i64, i64 }, ptr %a534
+  call void @finch.gen.bufText(ptr %t531, { ptr, i64, i64 } { ptr @.str.1888, i64 4, i64 0 }, { ptr, i64, i64 } %t537)
+  store { ptr, i64, i64 } %t537, ptr %a538
+  call void @finch_str_drop(ptr %a538)
+  %t539 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 12
+  %t540 = getelementptr inbounds { ptr, i64, i64 }, ptr %t539, i32 0, i32 1
   %t541 = load i64, ptr %t540
-  call void @finch_str_from_int(ptr %a542, i64 %t541)
-  %t543 = load { ptr, i64, i64 }, ptr %a542
-  store { ptr, i64, i64 } %t533, ptr %a545
-  store { ptr, i64, i64 } %t543, ptr %a546
-  call void @finch_str_concat(ptr %a544, ptr %a545, ptr %a546)
-  %t547 = load { ptr, i64, i64 }, ptr %a544
-  %t548 = call { ptr, i64, i64 } @finch.gen.op(ptr %t524, { ptr, i64, i64 } %t547)
+  store i64 0, ptr %a542
+  br label %for.cond2945
+for.cond2945:
+  %t543 = load i64, ptr %a542
+  %t544 = icmp slt i64 %t543, %t541
+  br i1 %t544, label %for.body2946, label %for.end2948
+for.body2946:
+  store { ptr, i64, i64 } { ptr @.str.1890, i64 2, i64 0 }, ptr %a545
+  %t546 = load i64, ptr %a542
+  %t547 = icmp eq i64 %t546, 0
+  br i1 %t547, label %then2949, label %endif2951
+then2949:
+  %t548 = load { ptr, i64, i64 }, ptr %a545
+  store { ptr, i64, i64 } { ptr @.str.1891, i64 0, i64 0 }, ptr %a545
   store { ptr, i64, i64 } %t548, ptr %a549
+  call void @finch_str_drop(ptr %a549)
+  br label %endif2951
+endif2951:
   %t550 = load ptr, ptr %a1
-  %t551 = load ptr, ptr %a1
-  %t552 = load ptr, ptr %a1
-  %t553 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 12
-  %t554 = load i64, ptr %a500
-  %t555 = load { ptr, i64, i64 }, ptr %t553
-  %t556 = extractvalue { ptr, i64, i64 } %t555, 1
-  %t557 = icmp uge i64 %t554, %t556
-  br i1 %t557, label %range2775, label %inrange2776
-range2775:
-  call void @finch_panic_index(ptr @.str.1826, i64 1051, i64 %t554, i64 %t556)
+  %t551 = load { ptr, i64, i64 }, ptr %a545
+  %t552 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 11
+  %t553 = load i64, ptr %a542
+  %t554 = load { ptr, i64, i64 }, ptr %t552
+  %t555 = extractvalue { ptr, i64, i64 } %t554, 1
+  %t556 = icmp uge i64 %t553, %t555
+  br i1 %t556, label %range2952, label %inrange2953
+range2952:
+  call void @finch_panic_index(ptr @.str.1893, i64 1184, i64 %t553, i64 %t555)
   unreachable
-inrange2776:
-  %t558 = extractvalue { ptr, i64, i64 } %t555, 0
-  %t559 = getelementptr inbounds %S.ast.Type, ptr %t558, i64 %t554
-  %t560 = load %S.ast.Type, ptr %t559
-  %t561 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t552, %S.ast.Type %t560)
-  %t562 = load { ptr, i64, i64 }, ptr %a549
-  %t563 = call { ptr, i64, i64 } @finch.gen.load(ptr %t551, { ptr, i64, i64 } %t561, { ptr, i64, i64 } %t562)
-  %t564 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 12
-  %t565 = load i64, ptr %a500
-  %t566 = load { ptr, i64, i64 }, ptr %t564
-  %t567 = extractvalue { ptr, i64, i64 } %t566, 1
-  %t568 = icmp uge i64 %t565, %t567
-  br i1 %t568, label %range2777, label %inrange2778
-range2777:
-  call void @finch_panic_index(ptr @.str.1827, i64 1051, i64 %t565, i64 %t567)
+inrange2953:
+  %t557 = extractvalue { ptr, i64, i64 } %t554, 0
+  %t558 = getelementptr inbounds { ptr, i64, i64 }, ptr %t557, i64 %t553
+  %t559 = load { ptr, i64, i64 }, ptr %t558
+  store { ptr, i64, i64 } %t551, ptr %a561
+  store { ptr, i64, i64 } %t559, ptr %a562
+  call void @finch_str_concat(ptr %a560, ptr %a561, ptr %a562)
+  %t563 = load { ptr, i64, i64 }, ptr %a560
+  store { ptr, i64, i64 } %t563, ptr %a565
+  store { ptr, i64, i64 } { ptr @.str.1894, i64 2, i64 0 }, ptr %a566
+  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
+  store { ptr, i64, i64 } %t563, ptr %a567
+  call void @finch_str_drop(ptr %a567)
+  %t568 = load { ptr, i64, i64 }, ptr %a564
+  call void @finch.gen.bufText(ptr %t550, { ptr, i64, i64 } { ptr @.str.1892, i64 4, i64 0 }, { ptr, i64, i64 } %t568)
+  store { ptr, i64, i64 } %t568, ptr %a569
+  call void @finch_str_drop(ptr %a569)
+  %t570 = load ptr, ptr %a1
+  %t571 = load { ptr, i64, i64 }, ptr %a530
+  store { ptr, i64, i64 } { ptr @.str.1895, i64 23, i64 0 }, ptr %a573
+  store { ptr, i64, i64 } %t571, ptr %a574
+  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
+  %t575 = load { ptr, i64, i64 }, ptr %a572
+  store { ptr, i64, i64 } %t575, ptr %a577
+  store { ptr, i64, i64 } { ptr @.str.1896, i64 21, i64 0 }, ptr %a578
+  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
+  store { ptr, i64, i64 } %t575, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  %t580 = load { ptr, i64, i64 }, ptr %a576
+  %t581 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 3
+  %t582 = load i64, ptr %a542
+  %t583 = load { ptr, i64, i64 }, ptr %t581
+  %t584 = extractvalue { ptr, i64, i64 } %t583, 1
+  %t585 = icmp uge i64 %t582, %t584
+  br i1 %t585, label %range2954, label %inrange2955
+range2954:
+  call void @finch_panic_index(ptr @.str.1897, i64 1185, i64 %t582, i64 %t584)
   unreachable
-inrange2778:
-  %t569 = extractvalue { ptr, i64, i64 } %t566, 0
-  %t570 = getelementptr inbounds %S.ast.Type, ptr %t569, i64 %t565
-  %t571 = load %S.ast.Type, ptr %t570
-  call void @finch.gen.emitFormat(ptr %t550, { ptr, i64, i64 } { ptr @.str.1825, i64 4, i64 0 }, { ptr, i64, i64 } %t563, %S.ast.Type %t571, i1 true)
-  br label %for.step2766
-for.step2766:
-  %t572 = load i64, ptr %a500
-  %t573 = add i64 %t572, 1
-  store i64 %t573, ptr %a500
-  br label %for.cond2764
-for.end2767:
-  %t574 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t574, { ptr, i64, i64 } { ptr @.str.1828, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1829, i64 1, i64 0 })
-  br label %endif2749
-endif2749:
-  br label %endif2724
-endif2724:
-  br label %endif2715
-endif2715:
-  %t575 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t575, { ptr, i64, i64 } { ptr @.str.1830, i64 8, i64 0 })
-  %t576 = load ptr, ptr %a1
-  %t577 = load %S.gen.Saved, ptr %a34
-  %t578 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1831, i64 21, i64 0 }, ptr %a580
-  store { ptr, i64, i64 } %t578, ptr %a581
-  call void @finch_str_concat(ptr %a579, ptr %a580, ptr %a581)
-  %t582 = load { ptr, i64, i64 }, ptr %a579
-  store { ptr, i64, i64 } %t582, ptr %a584
-  store { ptr, i64, i64 } { ptr @.str.1832, i64 18, i64 0 }, ptr %a585
-  call void @finch_str_concat(ptr %a583, ptr %a584, ptr %a585)
-  %t586 = load { ptr, i64, i64 }, ptr %a583
-  call void @finch.gen.endHelper(ptr %t576, %S.gen.Saved %t577, { ptr, i64, i64 } %t586)
-  %t587 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t587, ptr %a588
-  call void @finch_str_copy(ptr %a589, ptr %a588)
+inrange2955:
+  %t586 = extractvalue { ptr, i64, i64 } %t583, 0
+  %t587 = getelementptr inbounds i64, ptr %t586, i64 %t582
+  %t588 = load i64, ptr %t587
+  call void @finch_str_from_int(ptr %a589, i64 %t588)
   %t590 = load { ptr, i64, i64 }, ptr %a589
-  ret { ptr, i64, i64 } %t590
+  store { ptr, i64, i64 } %t580, ptr %a592
+  store { ptr, i64, i64 } %t590, ptr %a593
+  call void @finch_str_concat(ptr %a591, ptr %a592, ptr %a593)
+  store { ptr, i64, i64 } %t580, ptr %a594
+  call void @finch_str_drop(ptr %a594)
+  store { ptr, i64, i64 } %t590, ptr %a595
+  call void @finch_str_drop(ptr %a595)
+  %t596 = load { ptr, i64, i64 }, ptr %a591
+  %t597 = call { ptr, i64, i64 } @finch.gen.op(ptr %t570, { ptr, i64, i64 } %t596)
+  store { ptr, i64, i64 } %t596, ptr %a598
+  call void @finch_str_drop(ptr %a598)
+  store { ptr, i64, i64 } %t597, ptr %a599
+  %t600 = load ptr, ptr %a1
+  %t601 = load ptr, ptr %a1
+  %t602 = load ptr, ptr %a1
+  %t603 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 12
+  %t604 = load i64, ptr %a542
+  %t605 = load { ptr, i64, i64 }, ptr %t603
+  %t606 = extractvalue { ptr, i64, i64 } %t605, 1
+  %t607 = icmp uge i64 %t604, %t606
+  br i1 %t607, label %range2956, label %inrange2957
+range2956:
+  call void @finch_panic_index(ptr @.str.1899, i64 1186, i64 %t604, i64 %t606)
+  unreachable
+inrange2957:
+  %t608 = extractvalue { ptr, i64, i64 } %t605, 0
+  %t609 = getelementptr inbounds %S.ast.Type, ptr %t608, i64 %t604
+  %t610 = load %S.ast.Type, ptr %t609
+  %t611 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t602, %S.ast.Type %t610)
+  %t612 = load { ptr, i64, i64 }, ptr %a599
+  %t613 = call { ptr, i64, i64 } @finch.gen.load(ptr %t601, { ptr, i64, i64 } %t611, { ptr, i64, i64 } %t612)
+  store { ptr, i64, i64 } %t611, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 12
+  %t616 = load i64, ptr %a542
+  %t617 = load { ptr, i64, i64 }, ptr %t615
+  %t618 = extractvalue { ptr, i64, i64 } %t617, 1
+  %t619 = icmp uge i64 %t616, %t618
+  br i1 %t619, label %range2958, label %inrange2959
+range2958:
+  call void @finch_panic_index(ptr @.str.1900, i64 1186, i64 %t616, i64 %t618)
+  unreachable
+inrange2959:
+  %t620 = extractvalue { ptr, i64, i64 } %t617, 0
+  %t621 = getelementptr inbounds %S.ast.Type, ptr %t620, i64 %t616
+  %t622 = load %S.ast.Type, ptr %t621
+  call void @finch.gen.emitFormat(ptr %t600, { ptr, i64, i64 } { ptr @.str.1898, i64 4, i64 0 }, { ptr, i64, i64 } %t613, %S.ast.Type %t622, i1 true)
+  store { ptr, i64, i64 } %t613, ptr %a623
+  call void @finch_str_drop(ptr %a623)
+  call void @finch_str_drop(ptr %a599)
+  call void @finch_str_drop(ptr %a545)
+  br label %for.step2947
+for.step2947:
+  %t624 = load i64, ptr %a542
+  %t625 = add i64 %t624, 1
+  store i64 %t625, ptr %a542
+  br label %for.cond2945
+for.end2948:
+  %t626 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t626, { ptr, i64, i64 } { ptr @.str.1901, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1902, i64 1, i64 0 })
+  call void @finch_str_drop(ptr %a530)
+  call void @finch.drop.S_gen_StructDef(ptr %a526)
+  br label %endif2930
+endif2930:
+  br label %endif2905
+endif2905:
+  br label %endif2896
+endif2896:
+  %t627 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t627, { ptr, i64, i64 } { ptr @.str.1903, i64 8, i64 0 })
+  %t628 = load ptr, ptr %a1
+  %t629 = load %S.gen.Saved, ptr %a32
+  %t630 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1904, i64 21, i64 0 }, ptr %a632
+  store { ptr, i64, i64 } %t630, ptr %a633
+  call void @finch_str_concat(ptr %a631, ptr %a632, ptr %a633)
+  %t634 = load { ptr, i64, i64 }, ptr %a631
+  store { ptr, i64, i64 } %t634, ptr %a636
+  store { ptr, i64, i64 } { ptr @.str.1905, i64 18, i64 0 }, ptr %a637
+  call void @finch_str_concat(ptr %a635, ptr %a636, ptr %a637)
+  store { ptr, i64, i64 } %t634, ptr %a638
+  call void @finch_str_drop(ptr %a638)
+  %t639 = load { ptr, i64, i64 }, ptr %a635
+  call void @finch.gen.endHelper(ptr %t628, %S.gen.Saved %t629, { ptr, i64, i64 } %t639)
+  store { ptr, i64, i64 } %t639, ptr %a640
+  call void @finch_str_drop(ptr %a640)
+  %t641 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t641
 }
 
 define internal { ptr, i64, i64 } @finch.gen.intCast(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.ast.Type %p3) {
@@ -28529,48 +33569,69 @@ entry:
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -28584,115 +33645,157 @@ entry:
   %t11 = load i64, ptr %a7
   %t12 = load i64, ptr %a10
   %t13 = icmp eq i64 %t11, %t12
-  br i1 %t13, label %then2779, label %endif2781
-then2779:
+  br i1 %t13, label %then2960, label %endif2962
+then2960:
   %t14 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t14, ptr %a15
   call void @finch_str_copy(ptr %a16, ptr %a15)
   %t17 = load { ptr, i64, i64 }, ptr %a16
   ret { ptr, i64, i64 } %t17
-endif2781:
+endif2962:
   %t18 = load i64, ptr %a10
   %t19 = load i64, ptr %a7
   %t20 = icmp slt i64 %t18, %t19
-  br i1 %t20, label %then2782, label %endif2784
-then2782:
+  br i1 %t20, label %then2963, label %endif2965
+then2963:
   %t21 = load ptr, ptr %a1
   %t22 = load ptr, ptr %a1
   %t23 = load %S.ast.Type, ptr %a3
   %t24 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t22, %S.ast.Type %t23)
-  store { ptr, i64, i64 } { ptr @.str.1833, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1906, i64 6, i64 0 }, ptr %a26
   store { ptr, i64, i64 } %t24, ptr %a27
   call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t28, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.1834, i64 1, i64 0 }, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  %t33 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t32, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.1835, i64 4, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = load ptr, ptr %a1
-  %t43 = load %S.ast.Type, ptr %a4
-  %t44 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t42, %S.ast.Type %t43)
-  store { ptr, i64, i64 } %t41, ptr %a46
-  store { ptr, i64, i64 } %t44, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = call { ptr, i64, i64 } @finch.gen.op(ptr %t21, { ptr, i64, i64 } %t48)
-  ret { ptr, i64, i64 } %t49
-endif2784:
-  %t50 = load %S.ast.Type, ptr %a3
-  %t51 = call i1 @finch.gen.isSigned(%S.ast.Type %t50)
-  br i1 %t51, label %then2785, label %endif2787
-then2785:
-  %t52 = load ptr, ptr %a1
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Type, ptr %a3
-  %t55 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t53, %S.ast.Type %t54)
-  store { ptr, i64, i64 } { ptr @.str.1836, i64 5, i64 0 }, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.1837, i64 1, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t63, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.1838, i64 4, i64 0 }, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load ptr, ptr %a1
-  %t74 = load %S.ast.Type, ptr %a4
-  %t75 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t73, %S.ast.Type %t74)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t29, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.1907, i64 1, i64 0 }, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  %t35 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t34, ptr %a37
+  store { ptr, i64, i64 } %t35, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1908, i64 4, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = load ptr, ptr %a1
+  %t47 = load %S.ast.Type, ptr %a4
+  %t48 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t46, %S.ast.Type %t47)
+  store { ptr, i64, i64 } %t45, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t45, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  %t55 = call { ptr, i64, i64 } @finch.gen.op(ptr %t21, { ptr, i64, i64 } %t54)
+  store { ptr, i64, i64 } %t54, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  ret { ptr, i64, i64 } %t55
+endif2965:
+  %t57 = load %S.ast.Type, ptr %a3
+  %t58 = call i1 @finch.gen.isSigned(%S.ast.Type %t57)
+  br i1 %t58, label %then2966, label %endif2968
+then2966:
+  %t59 = load ptr, ptr %a1
+  %t60 = load ptr, ptr %a1
+  %t61 = load %S.ast.Type, ptr %a3
+  %t62 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t60, %S.ast.Type %t61)
+  store { ptr, i64, i64 } { ptr @.str.1909, i64 5, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t67, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.1910, i64 1, i64 0 }, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  %t73 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t72, ptr %a75
+  store { ptr, i64, i64 } %t73, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
   store { ptr, i64, i64 } %t72, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  %t80 = call { ptr, i64, i64 } @finch.gen.op(ptr %t52, { ptr, i64, i64 } %t79)
-  ret { ptr, i64, i64 } %t80
-endif2787:
-  %t81 = load ptr, ptr %a1
-  %t82 = load ptr, ptr %a1
-  %t83 = load %S.ast.Type, ptr %a3
-  %t84 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t82, %S.ast.Type %t83)
-  store { ptr, i64, i64 } { ptr @.str.1839, i64 5, i64 0 }, ptr %a86
-  store { ptr, i64, i64 } %t84, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1840, i64 1, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t92, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.1841, i64 4, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load ptr, ptr %a1
-  %t103 = load %S.ast.Type, ptr %a4
-  %t104 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t102, %S.ast.Type %t103)
-  store { ptr, i64, i64 } %t101, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  %t109 = call { ptr, i64, i64 } @finch.gen.op(ptr %t81, { ptr, i64, i64 } %t108)
-  ret { ptr, i64, i64 } %t109
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } %t78, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.1911, i64 4, i64 0 }, ptr %a81
+  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
+  store { ptr, i64, i64 } %t78, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a79
+  %t84 = load ptr, ptr %a1
+  %t85 = load %S.ast.Type, ptr %a4
+  %t86 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t84, %S.ast.Type %t85)
+  store { ptr, i64, i64 } %t83, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t83, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  store { ptr, i64, i64 } %t86, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a87
+  %t93 = call { ptr, i64, i64 } @finch.gen.op(ptr %t59, { ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } %t92, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  ret { ptr, i64, i64 } %t93
+endif2968:
+  %t95 = load ptr, ptr %a1
+  %t96 = load ptr, ptr %a1
+  %t97 = load %S.ast.Type, ptr %a3
+  %t98 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t96, %S.ast.Type %t97)
+  store { ptr, i64, i64 } { ptr @.str.1912, i64 5, i64 0 }, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.1913, i64 1, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t108, ptr %a111
+  store { ptr, i64, i64 } %t109, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.1914, i64 4, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load ptr, ptr %a1
+  %t121 = load %S.ast.Type, ptr %a4
+  %t122 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t120, %S.ast.Type %t121)
+  store { ptr, i64, i64 } %t119, ptr %a124
+  store { ptr, i64, i64 } %t122, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t119, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  store { ptr, i64, i64 } %t122, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a123
+  %t129 = call { ptr, i64, i64 } @finch.gen.op(ptr %t95, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t128, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  ret { ptr, i64, i64 } %t129
 }
 
 define internal { ptr, i64, i64 } @finch.gen.floatCast(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.ast.Type %p3) {
@@ -28708,33 +33811,47 @@ entry:
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -28747,82 +33864,110 @@ entry:
   store { ptr, i64, i64 } %t8, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then2788, label %endif2790
-then2788:
+  br i1 %t12, label %then2969, label %endif2971
+then2969:
   %t13 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t13, ptr %a14
   call void @finch_str_copy(ptr %a15, ptr %a14)
   %t16 = load { ptr, i64, i64 }, ptr %a15
   ret { ptr, i64, i64 } %t16
-endif2790:
+endif2971:
   %t17 = load %S.ast.Type, ptr %a4
   %t18 = call i64 @finch.gen.bitsOf(%S.ast.Type %t17)
   %t19 = load %S.ast.Type, ptr %a3
   %t20 = call i64 @finch.gen.bitsOf(%S.ast.Type %t19)
   %t21 = icmp sgt i64 %t18, %t20
-  br i1 %t21, label %then2791, label %endif2793
-then2791:
+  br i1 %t21, label %then2972, label %endif2974
+then2972:
   %t22 = load ptr, ptr %a1
   %t23 = load ptr, ptr %a1
   %t24 = load %S.ast.Type, ptr %a3
   %t25 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t23, %S.ast.Type %t24)
-  store { ptr, i64, i64 } { ptr @.str.1842, i64 6, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1915, i64 6, i64 0 }, ptr %a27
   store { ptr, i64, i64 } %t25, ptr %a28
   call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t29, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.1843, i64 1, i64 0 }, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  %t34 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t33, ptr %a36
-  store { ptr, i64, i64 } %t34, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.1844, i64 4, i64 0 }, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load ptr, ptr %a1
-  %t44 = load %S.ast.Type, ptr %a4
-  %t45 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t43, %S.ast.Type %t44)
-  store { ptr, i64, i64 } %t42, ptr %a47
-  store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  %t50 = call { ptr, i64, i64 } @finch.gen.op(ptr %t22, { ptr, i64, i64 } %t49)
-  ret { ptr, i64, i64 } %t50
-endif2793:
-  %t51 = load ptr, ptr %a1
-  %t52 = load ptr, ptr %a1
-  %t53 = load %S.ast.Type, ptr %a3
-  %t54 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t52, %S.ast.Type %t53)
-  store { ptr, i64, i64 } { ptr @.str.1845, i64 8, i64 0 }, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.1846, i64 1, i64 0 }, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t62, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.1847, i64 4, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = load ptr, ptr %a1
-  %t73 = load %S.ast.Type, ptr %a4
-  %t74 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t72, %S.ast.Type %t73)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.1916, i64 1, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  %t36 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t35, ptr %a38
+  store { ptr, i64, i64 } %t36, ptr %a39
+  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
+  store { ptr, i64, i64 } %t35, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  store { ptr, i64, i64 } %t41, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.1917, i64 4, i64 0 }, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t41, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = load ptr, ptr %a1
+  %t48 = load %S.ast.Type, ptr %a4
+  %t49 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t47, %S.ast.Type %t48)
+  store { ptr, i64, i64 } %t46, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t46, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a50
+  %t56 = call { ptr, i64, i64 } @finch.gen.op(ptr %t22, { ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t55, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  ret { ptr, i64, i64 } %t56
+endif2974:
+  %t58 = load ptr, ptr %a1
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Type, ptr %a3
+  %t61 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t59, %S.ast.Type %t60)
+  store { ptr, i64, i64 } { ptr @.str.1918, i64 8, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1919, i64 1, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
   store { ptr, i64, i64 } %t71, ptr %a76
-  store { ptr, i64, i64 } %t74, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = call { ptr, i64, i64 } @finch.gen.op(ptr %t51, { ptr, i64, i64 } %t78)
-  ret { ptr, i64, i64 } %t79
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.1920, i64 4, i64 0 }, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load ptr, ptr %a1
+  %t84 = load %S.ast.Type, ptr %a4
+  %t85 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t83, %S.ast.Type %t84)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  store { ptr, i64, i64 } %t85, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t82, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  store { ptr, i64, i64 } %t85, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a86
+  %t92 = call { ptr, i64, i64 } @finch.gen.op(ptr %t58, { ptr, i64, i64 } %t91)
+  store { ptr, i64, i64 } %t91, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  ret { ptr, i64, i64 } %t92
 }
 
 define internal { ptr, i64, i64 } @finch.gen.intToFloat(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.ast.Type %p3) {
@@ -28834,102 +33979,144 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
   store %S.ast.Type %p3, ptr %a4
   %t5 = load %S.ast.Type, ptr %a3
   %t6 = call i1 @finch.gen.isSigned(%S.ast.Type %t5)
-  br i1 %t6, label %then2794, label %endif2796
-then2794:
+  br i1 %t6, label %then2975, label %endif2977
+then2975:
   %t7 = load ptr, ptr %a1
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Type, ptr %a3
   %t10 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t8, %S.ast.Type %t9)
-  store { ptr, i64, i64 } { ptr @.str.1848, i64 7, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1921, i64 7, i64 0 }, ptr %a12
   store { ptr, i64, i64 } %t10, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.1849, i64 1, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  %t19 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t18, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1850, i64 4, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = load ptr, ptr %a1
-  %t29 = load %S.ast.Type, ptr %a4
-  %t30 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t28, %S.ast.Type %t29)
-  store { ptr, i64, i64 } %t27, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = call { ptr, i64, i64 } @finch.gen.op(ptr %t7, { ptr, i64, i64 } %t34)
-  ret { ptr, i64, i64 } %t35
-endif2796:
-  %t36 = load ptr, ptr %a1
-  %t37 = load ptr, ptr %a1
-  %t38 = load %S.ast.Type, ptr %a3
-  %t39 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t37, %S.ast.Type %t38)
-  store { ptr, i64, i64 } { ptr @.str.1851, i64 7, i64 0 }, ptr %a41
-  store { ptr, i64, i64 } %t39, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.1852, i64 1, i64 0 }, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  %t48 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t47, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.1853, i64 4, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load ptr, ptr %a1
-  %t58 = load %S.ast.Type, ptr %a4
-  %t59 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t57, %S.ast.Type %t58)
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t15, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1922, i64 1, i64 0 }, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  %t21 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t21, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t20, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.1923, i64 4, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load ptr, ptr %a1
+  %t33 = load %S.ast.Type, ptr %a4
+  %t34 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t32, %S.ast.Type %t33)
+  store { ptr, i64, i64 } %t31, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t31, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  %t41 = call { ptr, i64, i64 } @finch.gen.op(ptr %t7, { ptr, i64, i64 } %t40)
+  store { ptr, i64, i64 } %t40, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  ret { ptr, i64, i64 } %t41
+endif2977:
+  %t43 = load ptr, ptr %a1
+  %t44 = load ptr, ptr %a1
+  %t45 = load %S.ast.Type, ptr %a3
+  %t46 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t44, %S.ast.Type %t45)
+  store { ptr, i64, i64 } { ptr @.str.1924, i64 7, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  store { ptr, i64, i64 } %t46, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t51, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.1925, i64 1, i64 0 }, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  %t57 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t56, ptr %a59
+  store { ptr, i64, i64 } %t57, ptr %a60
+  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
   store { ptr, i64, i64 } %t56, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = call { ptr, i64, i64 } @finch.gen.op(ptr %t36, { ptr, i64, i64 } %t63)
-  ret { ptr, i64, i64 } %t64
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load { ptr, i64, i64 }, ptr %a58
+  store { ptr, i64, i64 } %t62, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.1926, i64 4, i64 0 }, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  %t68 = load ptr, ptr %a1
+  %t69 = load %S.ast.Type, ptr %a4
+  %t70 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t68, %S.ast.Type %t69)
+  store { ptr, i64, i64 } %t67, ptr %a72
+  store { ptr, i64, i64 } %t70, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t67, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  store { ptr, i64, i64 } %t70, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a71
+  %t77 = call { ptr, i64, i64 } @finch.gen.op(ptr %t43, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  ret { ptr, i64, i64 } %t77
 }
 
 define internal void @finch.copy.S_gen_Val(ptr %dst, ptr %src) {
@@ -28981,69 +34168,85 @@ entry:
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca %S.ast.Type, align 16
-  %a158 = alloca %S.ast.Type, align 16
-  %a171 = alloca %S.ast.Type, align 16
-  %a172 = alloca %S.ast.Type, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca %S.ast.Type, align 16
-  %a199 = alloca %S.ast.Type, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca %S.ast.Type, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca %S.ast.Type, align 16
+  %a162 = alloca %S.ast.Type, align 16
+  %a175 = alloca %S.ast.Type, align 16
+  %a176 = alloca %S.ast.Type, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca %S.ast.Type, align 16
+  %a203 = alloca %S.ast.Type, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca %S.ast.Type, align 16
+  %a233 = alloca %S.ast.Type, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
   %a285 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
   %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca %S.gen.Val, align 16
-  %a328 = alloca %S.gen.Val, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca %S.gen.Val, align 16
+  %a348 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.gen.Val %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -29053,97 +34256,97 @@ entry:
   %t7 = load %S.ast.Type, ptr %t6
   %t8 = load %S.ast.Type, ptr %a3
   %t9 = call i1 @finch.ast.same(%S.ast.Type %t7, %S.ast.Type %t8)
-  br i1 %t9, label %then2797, label %endif2799
-then2797:
+  br i1 %t9, label %then2978, label %endif2980
+then2978:
   %t10 = load %S.gen.Val, ptr %a2
   store %S.gen.Val %t10, ptr %a11
   call void @finch.copy.S_gen_Val(ptr %a12, ptr %a11)
   %t13 = load %S.gen.Val, ptr %a12
   ret %S.gen.Val %t13
-endif2799:
+endif2980:
   %t14 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t15 = getelementptr inbounds %S.ast.Type, ptr %t14, i32 0, i32 0
   %t16 = load { ptr, i64, i64 }, ptr %t15
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1854, i64 4, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1927, i64 4, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.from2800
-logic.from2800:
-  br i1 %t20, label %logic.rhs2801, label %logic.end2802
-logic.rhs2801:
+  br label %logic.from2981
+logic.from2981:
+  br i1 %t20, label %logic.rhs2982, label %logic.end2983
+logic.rhs2982:
   %t21 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1855, i64 3, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1928, i64 3, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br label %logic.rend2803
-logic.rend2803:
-  br label %logic.end2802
-logic.end2802:
-  %t27 = phi i1 [ false, %logic.from2800 ], [ %t26, %logic.rend2803 ]
-  br i1 %t27, label %then2804, label %endif2806
-then2804:
-  %t28 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.1856, i64 4, i64 0 }, 0
+  br label %logic.rend2984
+logic.rend2984:
+  br label %logic.end2983
+logic.end2983:
+  %t27 = phi i1 [ false, %logic.from2981 ], [ %t26, %logic.rend2984 ]
+  br i1 %t27, label %then2985, label %endif2987
+then2985:
+  %t28 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.1929, i64 4, i64 0 }, 0
   %t29 = load %S.ast.Type, ptr %a3
   store %S.ast.Type %t29, ptr %a30
   call void @finch.copy.S_ast_Type(ptr %a31, ptr %a30)
   %t32 = load %S.ast.Type, ptr %a31
   %t33 = insertvalue %S.gen.Val %t28, %S.ast.Type %t32, 1
   ret %S.gen.Val %t33
-endif2806:
+endif2987:
   %t34 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t35 = getelementptr inbounds %S.ast.Type, ptr %t34, i32 0, i32 0
   %t36 = load { ptr, i64, i64 }, ptr %t35
   store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1857, i64 3, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.1930, i64 3, i64 0 }, ptr %a38
   %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
   %t40 = icmp ne i32 %t39, 0
-  br label %logic.from2807
-logic.from2807:
-  br i1 %t40, label %logic.rhs2808, label %logic.end2809
-logic.rhs2808:
+  br label %logic.from2988
+logic.from2988:
+  br i1 %t40, label %logic.rhs2989, label %logic.end2990
+logic.rhs2989:
   %t41 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t42 = load { ptr, i64, i64 }, ptr %t41
   store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.1858, i64 3, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.1931, i64 3, i64 0 }, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend2810
-logic.rend2810:
-  br label %logic.end2809
-logic.end2809:
-  %t47 = phi i1 [ false, %logic.from2807 ], [ %t46, %logic.rend2810 ]
-  br label %logic.from2811
-logic.from2811:
-  br i1 %t47, label %logic.rhs2812, label %logic.end2813
-logic.rhs2812:
+  br label %logic.rend2991
+logic.rend2991:
+  br label %logic.end2990
+logic.end2990:
+  %t47 = phi i1 [ false, %logic.from2988 ], [ %t46, %logic.rend2991 ]
+  br label %logic.from2992
+logic.from2992:
+  br i1 %t47, label %logic.rhs2993, label %logic.end2994
+logic.rhs2993:
   %t48 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t49 = getelementptr inbounds %S.ast.Type, ptr %t48, i32 0, i32 1
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i32 0, i32 1
   %t51 = load i64, ptr %t50
   %t52 = icmp eq i64 %t51, 0
-  br label %logic.from2814
-logic.from2814:
-  br i1 %t52, label %logic.end2816, label %logic.rhs2815
-logic.rhs2815:
+  br label %logic.from2995
+logic.from2995:
+  br i1 %t52, label %logic.end2997, label %logic.rhs2996
+logic.rhs2996:
   %t53 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i32 0, i32 1
   %t55 = load i64, ptr %t54
   %t56 = icmp eq i64 %t55, 0
-  br label %logic.rend2817
-logic.rend2817:
-  br label %logic.end2816
-logic.end2816:
-  %t57 = phi i1 [ true, %logic.from2814 ], [ %t56, %logic.rend2817 ]
-  br label %logic.rend2818
-logic.rend2818:
-  br label %logic.end2813
-logic.end2813:
-  %t58 = phi i1 [ false, %logic.from2811 ], [ %t57, %logic.rend2818 ]
-  br i1 %t58, label %then2819, label %endif2821
-then2819:
+  br label %logic.rend2998
+logic.rend2998:
+  br label %logic.end2997
+logic.end2997:
+  %t57 = phi i1 [ true, %logic.from2995 ], [ %t56, %logic.rend2998 ]
+  br label %logic.rend2999
+logic.rend2999:
+  br label %logic.end2994
+logic.end2994:
+  %t58 = phi i1 [ false, %logic.from2992 ], [ %t57, %logic.rend2999 ]
+  br i1 %t58, label %then3000, label %endif3002
+then3000:
   %t59 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t60 = load { ptr, i64, i64 }, ptr %t59
   store { ptr, i64, i64 } %t60, ptr %a61
@@ -29156,42 +34359,42 @@ then2819:
   %t68 = load %S.ast.Type, ptr %a67
   %t69 = insertvalue %S.gen.Val %t64, %S.ast.Type %t68, 1
   ret %S.gen.Val %t69
-endif2821:
+endif3002:
   %t70 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t71 = load %S.ast.Type, ptr %t70
   %t72 = call i1 @finch.gen.isInt(%S.ast.Type %t71)
-  br label %logic.from2822
-logic.from2822:
-  br i1 %t72, label %logic.rhs2823, label %logic.end2824
-logic.rhs2823:
+  br label %logic.from3003
+logic.from3003:
+  br i1 %t72, label %logic.rhs3004, label %logic.end3005
+logic.rhs3004:
   %t73 = load %S.ast.Type, ptr %a3
   %t74 = call i1 @finch.gen.isInt(%S.ast.Type %t73)
-  br label %logic.rend2825
-logic.rend2825:
-  br label %logic.end2824
-logic.end2824:
-  %t75 = phi i1 [ false, %logic.from2822 ], [ %t74, %logic.rend2825 ]
-  br i1 %t75, label %then2826, label %endif2828
-then2826:
+  br label %logic.rend3006
+logic.rend3006:
+  br label %logic.end3005
+logic.end3005:
+  %t75 = phi i1 [ false, %logic.from3003 ], [ %t74, %logic.rend3006 ]
+  br i1 %t75, label %then3007, label %endif3009
+then3007:
   %t76 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
   %t77 = load i1, ptr %t76
-  br label %logic.from2829
-logic.from2829:
-  br i1 %t77, label %logic.rhs2830, label %logic.end2831
-logic.rhs2830:
+  br label %logic.from3010
+logic.from3010:
+  br i1 %t77, label %logic.rhs3011, label %logic.end3012
+logic.rhs3011:
   %t78 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t79 = load { ptr, i64, i64 }, ptr %t78
   %t80 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t81 = load %S.ast.Type, ptr %t80
   %t82 = load %S.ast.Type, ptr %a3
   %t83 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t79, %S.ast.Type %t81, %S.ast.Type %t82)
-  br label %logic.rend2832
-logic.rend2832:
-  br label %logic.end2831
-logic.end2831:
-  %t84 = phi i1 [ false, %logic.from2829 ], [ %t83, %logic.rend2832 ]
-  br i1 %t84, label %then2833, label %endif2835
-then2833:
+  br label %logic.rend3013
+logic.rend3013:
+  br label %logic.end3012
+logic.end3012:
+  %t84 = phi i1 [ false, %logic.from3010 ], [ %t83, %logic.rend3013 ]
+  br i1 %t84, label %then3014, label %endif3016
+then3014:
   %t85 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t86 = load { ptr, i64, i64 }, ptr %t85
   store { ptr, i64, i64 } %t86, ptr %a87
@@ -29205,13 +34408,13 @@ then2833:
   %t95 = insertvalue %S.gen.Val %t90, %S.ast.Type %t94, 1
   %t96 = insertvalue %S.gen.Val %t95, i1 true, 3
   ret %S.gen.Val %t96
-endif2835:
+endif3016:
   %t97 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t98 = load %S.ast.Type, ptr %t97
   %t99 = load %S.ast.Type, ptr %a3
   %t100 = call i1 @finch.gen.widens(%S.ast.Type %t98, %S.ast.Type %t99)
-  br i1 %t100, label %then2836, label %endif2838
-then2836:
+  br i1 %t100, label %then3017, label %endif3019
+then3017:
   %t101 = load ptr, ptr %a1
   %t102 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t103 = load { ptr, i64, i64 }, ptr %t102
@@ -29226,344 +34429,381 @@ then2836:
   %t112 = load %S.ast.Type, ptr %a111
   %t113 = insertvalue %S.gen.Val %t108, %S.ast.Type %t112, 1
   ret %S.gen.Val %t113
-endif2838:
+endif3019:
   %t114 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
   %t115 = load i1, ptr %t114
-  br i1 %t115, label %then2839, label %endif2841
-then2839:
+  br i1 %t115, label %then3020, label %endif3022
+then3020:
   %t116 = load ptr, ptr %a1
   %t117 = load %S.ast.Node, ptr %a4
   %t118 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t119 = load { ptr, i64, i64 }, ptr %t118
-  store { ptr, i64, i64 } { ptr @.str.1859, i64 11, i64 0 }, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1932, i64 11, i64 0 }, ptr %a121
   store { ptr, i64, i64 } %t119, ptr %a122
   call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
   %t123 = load { ptr, i64, i64 }, ptr %a120
   store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.1860, i64 16, i64 0 }, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.1933, i64 16, i64 0 }, ptr %a126
   call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = load %S.ast.Type, ptr %a3
-  %t129 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t128)
-  store { ptr, i64, i64 } %t127, ptr %a131
-  store { ptr, i64, i64 } %t129, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.fail(ptr %t116, %S.ast.Node %t117, { ptr, i64, i64 } %t133)
-  br label %endif2841
-endif2841:
-  br label %endif2828
-endif2828:
-  %t134 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t135 = load %S.ast.Type, ptr %t134
-  %t136 = call i1 @finch.gen.isInt(%S.ast.Type %t135)
-  br label %logic.from2842
-logic.from2842:
-  br i1 %t136, label %logic.rhs2843, label %logic.end2844
-logic.rhs2843:
-  %t137 = load %S.ast.Type, ptr %a3
-  %t138 = call i1 @finch.gen.isFloat(%S.ast.Type %t137)
-  br label %logic.rend2845
-logic.rend2845:
-  br label %logic.end2844
-logic.end2844:
-  %t139 = phi i1 [ false, %logic.from2842 ], [ %t138, %logic.rend2845 ]
-  br i1 %t139, label %then2846, label %endif2848
-then2846:
-  %t140 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
-  %t141 = load i1, ptr %t140
-  br label %logic.from2849
-logic.from2849:
-  br i1 %t141, label %logic.rhs2850, label %logic.end2851
-logic.rhs2850:
-  %t142 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  store { ptr, i64, i64 } %t143, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.1861, i64 5, i64 0 }, ptr %a145
-  %t146 = call i32 @finch_str_eq(ptr %a144, ptr %a145)
-  %t147 = icmp ne i32 %t146, 0
-  br label %logic.rend2852
-logic.rend2852:
-  br label %logic.end2851
-logic.end2851:
-  %t148 = phi i1 [ false, %logic.from2849 ], [ %t147, %logic.rend2852 ]
-  br i1 %t148, label %then2853, label %endif2855
-then2853:
-  %t149 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t150 = load { ptr, i64, i64 }, ptr %t149
-  store { ptr, i64, i64 } %t150, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.1862, i64 2, i64 0 }, ptr %a153
-  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
-  %t154 = load { ptr, i64, i64 }, ptr %a151
-  %t155 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t154, 0
-  %t156 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t156, ptr %a157
-  call void @finch.copy.S_ast_Type(ptr %a158, ptr %a157)
-  %t159 = load %S.ast.Type, ptr %a158
-  %t160 = insertvalue %S.gen.Val %t155, %S.ast.Type %t159, 1
-  %t161 = insertvalue %S.gen.Val %t160, i1 true, 3
-  ret %S.gen.Val %t161
-endif2855:
-  %t162 = load ptr, ptr %a1
-  %t163 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t164 = load { ptr, i64, i64 }, ptr %t163
-  %t165 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t166 = load %S.ast.Type, ptr %t165
-  %t167 = load %S.ast.Type, ptr %a3
-  %t168 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t162, { ptr, i64, i64 } %t164, %S.ast.Type %t166, %S.ast.Type %t167)
-  %t169 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t168, 0
-  %t170 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t170, ptr %a171
-  call void @finch.copy.S_ast_Type(ptr %a172, ptr %a171)
-  %t173 = load %S.ast.Type, ptr %a172
-  %t174 = insertvalue %S.gen.Val %t169, %S.ast.Type %t173, 1
-  ret %S.gen.Val %t174
-endif2848:
-  %t175 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t176 = getelementptr inbounds %S.ast.Type, ptr %t175, i32 0, i32 0
-  %t177 = load { ptr, i64, i64 }, ptr %t176
-  store { ptr, i64, i64 } %t177, ptr %a178
-  store { ptr, i64, i64 } { ptr @.str.1863, i64 3, i64 0 }, ptr %a179
-  %t180 = call i32 @finch_str_eq(ptr %a178, ptr %a179)
-  %t181 = icmp ne i32 %t180, 0
-  br label %logic.from2856
-logic.from2856:
-  br i1 %t181, label %logic.rhs2857, label %logic.end2858
-logic.rhs2857:
-  %t182 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t183 = load { ptr, i64, i64 }, ptr %t182
-  store { ptr, i64, i64 } %t183, ptr %a184
-  store { ptr, i64, i64 } { ptr @.str.1864, i64 5, i64 0 }, ptr %a185
-  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
-  %t187 = icmp ne i32 %t186, 0
-  br label %logic.rend2859
-logic.rend2859:
-  br label %logic.end2858
-logic.end2858:
-  %t188 = phi i1 [ false, %logic.from2856 ], [ %t187, %logic.rend2859 ]
-  br i1 %t188, label %then2860, label %endif2862
-then2860:
-  %t189 = load ptr, ptr %a1
-  %t190 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t191 = load { ptr, i64, i64 }, ptr %t190
-  %t192 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t193 = load %S.ast.Type, ptr %t192
-  %t194 = load %S.ast.Type, ptr %a3
-  %t195 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t189, { ptr, i64, i64 } %t191, %S.ast.Type %t193, %S.ast.Type %t194)
-  %t196 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t195, 0
-  %t197 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t197, ptr %a198
-  call void @finch.copy.S_ast_Type(ptr %a199, ptr %a198)
-  %t200 = load %S.ast.Type, ptr %a199
-  %t201 = insertvalue %S.gen.Val %t196, %S.ast.Type %t200, 1
-  ret %S.gen.Val %t201
-endif2862:
-  %t202 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t203 = getelementptr inbounds %S.ast.Type, ptr %t202, i32 0, i32 0
-  %t204 = load { ptr, i64, i64 }, ptr %t203
-  store { ptr, i64, i64 } %t204, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.1865, i64 5, i64 0 }, ptr %a206
-  %t207 = call i32 @finch_str_eq(ptr %a205, ptr %a206)
-  %t208 = icmp ne i32 %t207, 0
-  br label %logic.from2863
-logic.from2863:
-  br i1 %t208, label %logic.rhs2864, label %logic.end2865
-logic.rhs2864:
-  %t209 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  store { ptr, i64, i64 } %t210, ptr %a211
-  store { ptr, i64, i64 } { ptr @.str.1866, i64 3, i64 0 }, ptr %a212
-  %t213 = call i32 @finch_str_eq(ptr %a211, ptr %a212)
-  %t214 = icmp ne i32 %t213, 0
-  br label %logic.rend2866
-logic.rend2866:
-  br label %logic.end2865
-logic.end2865:
-  %t215 = phi i1 [ false, %logic.from2863 ], [ %t214, %logic.rend2866 ]
-  br label %logic.from2867
-logic.from2867:
-  br i1 %t215, label %logic.rhs2868, label %logic.end2869
-logic.rhs2868:
-  %t216 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
-  %t217 = load i1, ptr %t216
-  br label %logic.rend2870
-logic.rend2870:
-  br label %logic.end2869
-logic.end2869:
-  %t218 = phi i1 [ false, %logic.from2867 ], [ %t217, %logic.rend2870 ]
-  br i1 %t218, label %then2871, label %endif2873
-then2871:
-  %t219 = load ptr, ptr %a1
-  %t220 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t221 = load { ptr, i64, i64 }, ptr %t220
-  %t222 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t223 = load %S.ast.Type, ptr %t222
-  %t224 = load %S.ast.Type, ptr %a3
-  %t225 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t219, { ptr, i64, i64 } %t221, %S.ast.Type %t223, %S.ast.Type %t224)
-  %t226 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t225, 0
-  %t227 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t227, ptr %a228
-  call void @finch.copy.S_ast_Type(ptr %a229, ptr %a228)
-  %t230 = load %S.ast.Type, ptr %a229
-  %t231 = insertvalue %S.gen.Val %t226, %S.ast.Type %t230, 1
-  ret %S.gen.Val %t231
-endif2873:
-  %t232 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t232, ptr %a234
-  store { ptr, i64, i64 } { ptr @.str.1867, i64 9, i64 0 }, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  %t237 = load %S.ast.Type, ptr %a3
-  %t238 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t237)
-  store { ptr, i64, i64 } %t236, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t242, ptr %a244
-  store { ptr, i64, i64 } { ptr @.str.1868, i64 14, i64 0 }, ptr %a245
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = load %S.ast.Type, ptr %a3
+  %t130 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t129)
+  store { ptr, i64, i64 } %t128, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t128, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a131
+  call void @finch.gen.fail(ptr %t116, %S.ast.Node %t117, { ptr, i64, i64 } %t136)
+  store { ptr, i64, i64 } %t136, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  br label %endif3022
+endif3022:
+  br label %endif3009
+endif3009:
+  %t138 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t139 = load %S.ast.Type, ptr %t138
+  %t140 = call i1 @finch.gen.isInt(%S.ast.Type %t139)
+  br label %logic.from3023
+logic.from3023:
+  br i1 %t140, label %logic.rhs3024, label %logic.end3025
+logic.rhs3024:
+  %t141 = load %S.ast.Type, ptr %a3
+  %t142 = call i1 @finch.gen.isFloat(%S.ast.Type %t141)
+  br label %logic.rend3026
+logic.rend3026:
+  br label %logic.end3025
+logic.end3025:
+  %t143 = phi i1 [ false, %logic.from3023 ], [ %t142, %logic.rend3026 ]
+  br i1 %t143, label %then3027, label %endif3029
+then3027:
+  %t144 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
+  %t145 = load i1, ptr %t144
+  br label %logic.from3030
+logic.from3030:
+  br i1 %t145, label %logic.rhs3031, label %logic.end3032
+logic.rhs3031:
+  %t146 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t147 = load { ptr, i64, i64 }, ptr %t146
+  store { ptr, i64, i64 } %t147, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.1934, i64 5, i64 0 }, ptr %a149
+  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
+  %t151 = icmp ne i32 %t150, 0
+  br label %logic.rend3033
+logic.rend3033:
+  br label %logic.end3032
+logic.end3032:
+  %t152 = phi i1 [ false, %logic.from3030 ], [ %t151, %logic.rend3033 ]
+  br i1 %t152, label %then3034, label %endif3036
+then3034:
+  %t153 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t154 = load { ptr, i64, i64 }, ptr %t153
+  store { ptr, i64, i64 } %t154, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.1935, i64 2, i64 0 }, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  %t159 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t158, 0
+  %t160 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t160, ptr %a161
+  call void @finch.copy.S_ast_Type(ptr %a162, ptr %a161)
+  %t163 = load %S.ast.Type, ptr %a162
+  %t164 = insertvalue %S.gen.Val %t159, %S.ast.Type %t163, 1
+  %t165 = insertvalue %S.gen.Val %t164, i1 true, 3
+  ret %S.gen.Val %t165
+endif3036:
+  %t166 = load ptr, ptr %a1
+  %t167 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t168 = load { ptr, i64, i64 }, ptr %t167
+  %t169 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t170 = load %S.ast.Type, ptr %t169
+  %t171 = load %S.ast.Type, ptr %a3
+  %t172 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t166, { ptr, i64, i64 } %t168, %S.ast.Type %t170, %S.ast.Type %t171)
+  %t173 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t172, 0
+  %t174 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t174, ptr %a175
+  call void @finch.copy.S_ast_Type(ptr %a176, ptr %a175)
+  %t177 = load %S.ast.Type, ptr %a176
+  %t178 = insertvalue %S.gen.Val %t173, %S.ast.Type %t177, 1
+  ret %S.gen.Val %t178
+endif3029:
+  %t179 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t180 = getelementptr inbounds %S.ast.Type, ptr %t179, i32 0, i32 0
+  %t181 = load { ptr, i64, i64 }, ptr %t180
+  store { ptr, i64, i64 } %t181, ptr %a182
+  store { ptr, i64, i64 } { ptr @.str.1936, i64 3, i64 0 }, ptr %a183
+  %t184 = call i32 @finch_str_eq(ptr %a182, ptr %a183)
+  %t185 = icmp ne i32 %t184, 0
+  br label %logic.from3037
+logic.from3037:
+  br i1 %t185, label %logic.rhs3038, label %logic.end3039
+logic.rhs3038:
+  %t186 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t187 = load { ptr, i64, i64 }, ptr %t186
+  store { ptr, i64, i64 } %t187, ptr %a188
+  store { ptr, i64, i64 } { ptr @.str.1937, i64 5, i64 0 }, ptr %a189
+  %t190 = call i32 @finch_str_eq(ptr %a188, ptr %a189)
+  %t191 = icmp ne i32 %t190, 0
+  br label %logic.rend3040
+logic.rend3040:
+  br label %logic.end3039
+logic.end3039:
+  %t192 = phi i1 [ false, %logic.from3037 ], [ %t191, %logic.rend3040 ]
+  br i1 %t192, label %then3041, label %endif3043
+then3041:
+  %t193 = load ptr, ptr %a1
+  %t194 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t195 = load { ptr, i64, i64 }, ptr %t194
+  %t196 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t197 = load %S.ast.Type, ptr %t196
+  %t198 = load %S.ast.Type, ptr %a3
+  %t199 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t193, { ptr, i64, i64 } %t195, %S.ast.Type %t197, %S.ast.Type %t198)
+  %t200 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t199, 0
+  %t201 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t201, ptr %a202
+  call void @finch.copy.S_ast_Type(ptr %a203, ptr %a202)
+  %t204 = load %S.ast.Type, ptr %a203
+  %t205 = insertvalue %S.gen.Val %t200, %S.ast.Type %t204, 1
+  ret %S.gen.Val %t205
+endif3043:
+  %t206 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t207 = getelementptr inbounds %S.ast.Type, ptr %t206, i32 0, i32 0
+  %t208 = load { ptr, i64, i64 }, ptr %t207
+  store { ptr, i64, i64 } %t208, ptr %a209
+  store { ptr, i64, i64 } { ptr @.str.1938, i64 5, i64 0 }, ptr %a210
+  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
+  %t212 = icmp ne i32 %t211, 0
+  br label %logic.from3044
+logic.from3044:
+  br i1 %t212, label %logic.rhs3045, label %logic.end3046
+logic.rhs3045:
+  %t213 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t214 = load { ptr, i64, i64 }, ptr %t213
+  store { ptr, i64, i64 } %t214, ptr %a215
+  store { ptr, i64, i64 } { ptr @.str.1939, i64 3, i64 0 }, ptr %a216
+  %t217 = call i32 @finch_str_eq(ptr %a215, ptr %a216)
+  %t218 = icmp ne i32 %t217, 0
+  br label %logic.rend3047
+logic.rend3047:
+  br label %logic.end3046
+logic.end3046:
+  %t219 = phi i1 [ false, %logic.from3044 ], [ %t218, %logic.rend3047 ]
+  br label %logic.from3048
+logic.from3048:
+  br i1 %t219, label %logic.rhs3049, label %logic.end3050
+logic.rhs3049:
+  %t220 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
+  %t221 = load i1, ptr %t220
+  br label %logic.rend3051
+logic.rend3051:
+  br label %logic.end3050
+logic.end3050:
+  %t222 = phi i1 [ false, %logic.from3048 ], [ %t221, %logic.rend3051 ]
+  br i1 %t222, label %then3052, label %endif3054
+then3052:
+  %t223 = load ptr, ptr %a1
+  %t224 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t225 = load { ptr, i64, i64 }, ptr %t224
+  %t226 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t227 = load %S.ast.Type, ptr %t226
+  %t228 = load %S.ast.Type, ptr %a3
+  %t229 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t223, { ptr, i64, i64 } %t225, %S.ast.Type %t227, %S.ast.Type %t228)
+  %t230 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t229, 0
+  %t231 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t231, ptr %a232
+  call void @finch.copy.S_ast_Type(ptr %a233, ptr %a232)
+  %t234 = load %S.ast.Type, ptr %a233
+  %t235 = insertvalue %S.gen.Val %t230, %S.ast.Type %t234, 1
+  ret %S.gen.Val %t235
+endif3054:
+  %t236 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t236, ptr %a238
+  store { ptr, i64, i64 } { ptr @.str.1940, i64 9, i64 0 }, ptr %a239
+  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
+  %t240 = load { ptr, i64, i64 }, ptr %a237
+  %t241 = load %S.ast.Type, ptr %a3
+  %t242 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t241)
+  store { ptr, i64, i64 } %t240, ptr %a244
+  store { ptr, i64, i64 } %t242, ptr %a245
   call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  %t247 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t248 = load %S.ast.Type, ptr %t247
-  %t249 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t248)
-  store { ptr, i64, i64 } %t246, ptr %a251
-  store { ptr, i64, i64 } %t249, ptr %a252
-  call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
-  %t253 = load { ptr, i64, i64 }, ptr %a250
-  store { ptr, i64, i64 } %t253, ptr %a254
-  %t255 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t256 = load %S.ast.Type, ptr %t255
-  %t257 = call i1 @finch.gen.isNumber(%S.ast.Type %t256)
-  br label %logic.from2874
-logic.from2874:
-  br i1 %t257, label %logic.rhs2875, label %logic.end2876
-logic.rhs2875:
-  %t258 = load %S.ast.Type, ptr %a3
-  %t259 = call i1 @finch.gen.isNumber(%S.ast.Type %t258)
-  br label %logic.rend2877
-logic.rend2877:
-  br label %logic.end2876
-logic.end2876:
-  %t260 = phi i1 [ false, %logic.from2874 ], [ %t259, %logic.rend2877 ]
-  br i1 %t260, label %then2878, label %endif2880
-then2878:
-  %t261 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t261, ptr %a263
-  store { ptr, i64, i64 } { ptr @.str.1869, i64 6, i64 0 }, ptr %a264
-  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
-  %t265 = load { ptr, i64, i64 }, ptr %a262
-  %t266 = load %S.ast.Type, ptr %a3
-  %t267 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t266)
-  store { ptr, i64, i64 } %t265, ptr %a269
-  store { ptr, i64, i64 } %t267, ptr %a270
-  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
-  %t271 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t271, ptr %a273
-  store { ptr, i64, i64 } { ptr @.str.1870, i64 16, i64 0 }, ptr %a274
-  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
-  %t275 = load { ptr, i64, i64 }, ptr %a272
-  store { ptr, i64, i64 } %t275, ptr %a254
-  %t276 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t277 = load %S.ast.Type, ptr %t276
-  %t278 = call i1 @finch.gen.isFloat(%S.ast.Type %t277)
-  br label %logic.from2881
-logic.from2881:
-  br i1 %t278, label %logic.rhs2882, label %logic.end2883
-logic.rhs2882:
-  %t279 = load %S.ast.Type, ptr %a3
-  %t280 = call i1 @finch.gen.isInt(%S.ast.Type %t279)
-  br label %logic.rend2884
-logic.rend2884:
-  br label %logic.end2883
-logic.end2883:
-  %t281 = phi i1 [ false, %logic.from2881 ], [ %t280, %logic.rend2884 ]
-  br i1 %t281, label %then2885, label %endif2887
-then2885:
-  %t282 = load { ptr, i64, i64 }, ptr %a254
+  store { ptr, i64, i64 } %t240, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  store { ptr, i64, i64 } %t242, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  %t248 = load { ptr, i64, i64 }, ptr %a243
+  store { ptr, i64, i64 } %t248, ptr %a250
+  store { ptr, i64, i64 } { ptr @.str.1941, i64 14, i64 0 }, ptr %a251
+  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
+  store { ptr, i64, i64 } %t248, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
+  %t254 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t255 = load %S.ast.Type, ptr %t254
+  %t256 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t255)
+  store { ptr, i64, i64 } %t253, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t253, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } %t262, ptr %a263
+  %t264 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t265 = load %S.ast.Type, ptr %t264
+  %t266 = call i1 @finch.gen.isNumber(%S.ast.Type %t265)
+  br label %logic.from3055
+logic.from3055:
+  br i1 %t266, label %logic.rhs3056, label %logic.end3057
+logic.rhs3056:
+  %t267 = load %S.ast.Type, ptr %a3
+  %t268 = call i1 @finch.gen.isNumber(%S.ast.Type %t267)
+  br label %logic.rend3058
+logic.rend3058:
+  br label %logic.end3057
+logic.end3057:
+  %t269 = phi i1 [ false, %logic.from3055 ], [ %t268, %logic.rend3058 ]
+  br i1 %t269, label %then3059, label %endif3061
+then3059:
+  %t270 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t270, ptr %a272
+  store { ptr, i64, i64 } { ptr @.str.1942, i64 6, i64 0 }, ptr %a273
+  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a271
+  %t275 = load %S.ast.Type, ptr %a3
+  %t276 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t275)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  store { ptr, i64, i64 } %t276, ptr %a279
+  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
+  store { ptr, i64, i64 } %t274, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  store { ptr, i64, i64 } %t276, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  %t282 = load { ptr, i64, i64 }, ptr %a277
   store { ptr, i64, i64 } %t282, ptr %a284
-  store { ptr, i64, i64 } { ptr @.str.1871, i64 26, i64 0 }, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.1943, i64 16, i64 0 }, ptr %a285
   call void @finch_str_concat(ptr %a283, ptr %a284, ptr %a285)
-  %t286 = load { ptr, i64, i64 }, ptr %a283
-  store { ptr, i64, i64 } %t286, ptr %a254
-  br label %endif2887
-endif2887:
-  %t287 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t287, ptr %a289
-  store { ptr, i64, i64 } { ptr @.str.1872, i64 1, i64 0 }, ptr %a290
-  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
-  %t291 = load { ptr, i64, i64 }, ptr %a288
-  store { ptr, i64, i64 } %t291, ptr %a254
-  br label %endif2880
-endif2880:
-  %t292 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t293 = load { ptr, i64, i64 }, ptr %t292
-  store { ptr, i64, i64 } %t293, ptr %a294
-  store { ptr, i64, i64 } { ptr @.str.1873, i64 3, i64 0 }, ptr %a295
-  %t296 = call i32 @finch_str_eq(ptr %a294, ptr %a295)
-  %t297 = icmp ne i32 %t296, 0
-  br label %logic.from2888
-logic.from2888:
-  br i1 %t297, label %logic.rhs2889, label %logic.end2890
-logic.rhs2889:
-  %t298 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t299 = load %S.ast.Type, ptr %t298
-  %t300 = call i1 @finch.gen.isNumber(%S.ast.Type %t299)
-  br label %logic.from2891
-logic.from2891:
-  br i1 %t300, label %logic.end2893, label %logic.rhs2892
-logic.rhs2892:
-  %t301 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %t301, i32 0, i32 0
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  store { ptr, i64, i64 } %t303, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.1874, i64 4, i64 0 }, ptr %a305
-  %t306 = call i32 @finch_str_eq(ptr %a304, ptr %a305)
-  %t307 = icmp ne i32 %t306, 0
-  br label %logic.rend2894
-logic.rend2894:
-  br label %logic.end2893
-logic.end2893:
-  %t308 = phi i1 [ true, %logic.from2891 ], [ %t307, %logic.rend2894 ]
-  br label %logic.from2895
-logic.from2895:
-  br i1 %t308, label %logic.end2897, label %logic.rhs2896
-logic.rhs2896:
-  %t309 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t310 = getelementptr inbounds %S.ast.Type, ptr %t309, i32 0, i32 0
+  store { ptr, i64, i64 } %t282, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  %t287 = load { ptr, i64, i64 }, ptr %a283
+  %t288 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t287, ptr %a263
+  store { ptr, i64, i64 } %t288, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t291 = load %S.ast.Type, ptr %t290
+  %t292 = call i1 @finch.gen.isFloat(%S.ast.Type %t291)
+  br label %logic.from3062
+logic.from3062:
+  br i1 %t292, label %logic.rhs3063, label %logic.end3064
+logic.rhs3063:
+  %t293 = load %S.ast.Type, ptr %a3
+  %t294 = call i1 @finch.gen.isInt(%S.ast.Type %t293)
+  br label %logic.rend3065
+logic.rend3065:
+  br label %logic.end3064
+logic.end3064:
+  %t295 = phi i1 [ false, %logic.from3062 ], [ %t294, %logic.rend3065 ]
+  br i1 %t295, label %then3066, label %endif3068
+then3066:
+  %t296 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t296, ptr %a298
+  store { ptr, i64, i64 } { ptr @.str.1944, i64 26, i64 0 }, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a297
+  %t301 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t300, ptr %a263
+  store { ptr, i64, i64 } %t301, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  br label %endif3068
+endif3068:
+  %t303 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t303, ptr %a305
+  store { ptr, i64, i64 } { ptr @.str.1945, i64 1, i64 0 }, ptr %a306
+  call void @finch_str_concat(ptr %a304, ptr %a305, ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a304
+  %t308 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t307, ptr %a263
+  store { ptr, i64, i64 } %t308, ptr %a309
+  call void @finch_str_drop(ptr %a309)
+  br label %endif3061
+endif3061:
+  %t310 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t311 = load { ptr, i64, i64 }, ptr %t310
   store { ptr, i64, i64 } %t311, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.1875, i64 4, i64 0 }, ptr %a313
+  store { ptr, i64, i64 } { ptr @.str.1946, i64 3, i64 0 }, ptr %a313
   %t314 = call i32 @finch_str_eq(ptr %a312, ptr %a313)
   %t315 = icmp ne i32 %t314, 0
-  br label %logic.rend2898
-logic.rend2898:
-  br label %logic.end2897
-logic.end2897:
-  %t316 = phi i1 [ true, %logic.from2895 ], [ %t315, %logic.rend2898 ]
-  br label %logic.rend2899
-logic.rend2899:
-  br label %logic.end2890
-logic.end2890:
-  %t317 = phi i1 [ false, %logic.from2888 ], [ %t316, %logic.rend2899 ]
-  br i1 %t317, label %then2900, label %endif2902
-then2900:
-  %t318 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t318, ptr %a320
-  store { ptr, i64, i64 } { ptr @.str.1876, i64 34, i64 0 }, ptr %a321
-  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
-  %t322 = load { ptr, i64, i64 }, ptr %a319
-  store { ptr, i64, i64 } %t322, ptr %a254
-  br label %endif2902
-endif2902:
-  %t323 = load ptr, ptr %a1
-  %t324 = load %S.ast.Node, ptr %a4
-  %t325 = load { ptr, i64, i64 }, ptr %a254
-  call void @finch.gen.fail(ptr %t323, %S.ast.Node %t324, { ptr, i64, i64 } %t325)
-  %t326 = load %S.gen.Val, ptr %a2
-  store %S.gen.Val %t326, ptr %a327
-  call void @finch.copy.S_gen_Val(ptr %a328, ptr %a327)
-  %t329 = load %S.gen.Val, ptr %a328
-  ret %S.gen.Val %t329
+  br label %logic.from3069
+logic.from3069:
+  br i1 %t315, label %logic.rhs3070, label %logic.end3071
+logic.rhs3070:
+  %t316 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t317 = load %S.ast.Type, ptr %t316
+  %t318 = call i1 @finch.gen.isNumber(%S.ast.Type %t317)
+  br label %logic.from3072
+logic.from3072:
+  br i1 %t318, label %logic.end3074, label %logic.rhs3073
+logic.rhs3073:
+  %t319 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t320 = getelementptr inbounds %S.ast.Type, ptr %t319, i32 0, i32 0
+  %t321 = load { ptr, i64, i64 }, ptr %t320
+  store { ptr, i64, i64 } %t321, ptr %a322
+  store { ptr, i64, i64 } { ptr @.str.1947, i64 4, i64 0 }, ptr %a323
+  %t324 = call i32 @finch_str_eq(ptr %a322, ptr %a323)
+  %t325 = icmp ne i32 %t324, 0
+  br label %logic.rend3075
+logic.rend3075:
+  br label %logic.end3074
+logic.end3074:
+  %t326 = phi i1 [ true, %logic.from3072 ], [ %t325, %logic.rend3075 ]
+  br label %logic.from3076
+logic.from3076:
+  br i1 %t326, label %logic.end3078, label %logic.rhs3077
+logic.rhs3077:
+  %t327 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t328 = getelementptr inbounds %S.ast.Type, ptr %t327, i32 0, i32 0
+  %t329 = load { ptr, i64, i64 }, ptr %t328
+  store { ptr, i64, i64 } %t329, ptr %a330
+  store { ptr, i64, i64 } { ptr @.str.1948, i64 4, i64 0 }, ptr %a331
+  %t332 = call i32 @finch_str_eq(ptr %a330, ptr %a331)
+  %t333 = icmp ne i32 %t332, 0
+  br label %logic.rend3079
+logic.rend3079:
+  br label %logic.end3078
+logic.end3078:
+  %t334 = phi i1 [ true, %logic.from3076 ], [ %t333, %logic.rend3079 ]
+  br label %logic.rend3080
+logic.rend3080:
+  br label %logic.end3071
+logic.end3071:
+  %t335 = phi i1 [ false, %logic.from3069 ], [ %t334, %logic.rend3080 ]
+  br i1 %t335, label %then3081, label %endif3083
+then3081:
+  %t336 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.1949, i64 34, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a337
+  %t341 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t340, ptr %a263
+  store { ptr, i64, i64 } %t341, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  br label %endif3083
+endif3083:
+  %t343 = load ptr, ptr %a1
+  %t344 = load %S.ast.Node, ptr %a4
+  %t345 = load { ptr, i64, i64 }, ptr %a263
+  call void @finch.gen.fail(ptr %t343, %S.ast.Node %t344, { ptr, i64, i64 } %t345)
+  %t346 = load %S.gen.Val, ptr %a2
+  store %S.gen.Val %t346, ptr %a347
+  call void @finch.copy.S_gen_Val(ptr %a348, ptr %a347)
+  %t349 = load %S.gen.Val, ptr %a348
+  call void @finch_str_drop(ptr %a263)
+  ret %S.gen.Val %t349
 }
 
 define internal i64 @finch.gen.lookup(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -29579,28 +34819,28 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2903, label %ok2904
-panic2903:
-  call void @finch_panic(ptr @.str.1877, i64 1148, ptr @.str.1878)
+  br i1 %t4, label %panic3084, label %ok3085
+panic3084:
+  call void @finch_panic(ptr @.str.1950, i64 1283, ptr @.str.1951)
   unreachable
-ok2904:
+ok3085:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond2905
-for.cond2905:
+  br label %for.cond3086
+for.cond3086:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body2906, label %for.end2908
-for.body2906:
+  br i1 %t10, label %for.body3087, label %for.end3089
+for.body3087:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic2909, label %ok2910
-panic2909:
-  call void @finch_panic(ptr @.str.1879, i64 1149, ptr @.str.1880)
+  br i1 %t12, label %panic3090, label %ok3091
+panic3090:
+  call void @finch_panic(ptr @.str.1952, i64 1284, ptr @.str.1953)
   unreachable
-ok2910:
+ok3091:
   %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 10
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i32 0, i32 1
   %t15 = load i64, ptr %t14
@@ -29610,50 +34850,50 @@ ok2910:
   store i64 %t18, ptr %a19
   %t20 = load ptr, ptr %a1
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic2911, label %ok2912
-panic2911:
-  call void @finch_panic(ptr @.str.1881, i64 1150, ptr @.str.1882)
+  br i1 %t21, label %panic3092, label %ok3093
+panic3092:
+  call void @finch_panic(ptr @.str.1954, i64 1285, ptr @.str.1955)
   unreachable
-ok2912:
+ok3093:
   %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 10
   %t23 = load i64, ptr %a19
   %t24 = load { ptr, i64, i64 }, ptr %t22
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range2913, label %inrange2914
-range2913:
-  call void @finch_panic_index(ptr @.str.1883, i64 1150, i64 %t23, i64 %t25)
+  br i1 %t26, label %range3094, label %inrange3095
+range3094:
+  call void @finch_panic_index(ptr @.str.1956, i64 1285, i64 %t23, i64 %t25)
   unreachable
-inrange2914:
+inrange3095:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds %S.gen.Scope, ptr %t27, i64 %t23
   %t29 = getelementptr inbounds %S.gen.Scope, ptr %t28, i32 0, i32 0
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
   %t31 = load i64, ptr %t30
   store i64 0, ptr %a32
-  br label %for.cond2915
-for.cond2915:
+  br label %for.cond3096
+for.cond3096:
   %t33 = load i64, ptr %a32
   %t34 = icmp slt i64 %t33, %t31
-  br i1 %t34, label %for.body2916, label %for.end2918
-for.body2916:
+  br i1 %t34, label %for.body3097, label %for.end3099
+for.body3097:
   %t35 = load ptr, ptr %a1
   %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic2919, label %ok2920
-panic2919:
-  call void @finch_panic(ptr @.str.1884, i64 1151, ptr @.str.1885)
+  br i1 %t36, label %panic3100, label %ok3101
+panic3100:
+  call void @finch_panic(ptr @.str.1957, i64 1286, ptr @.str.1958)
   unreachable
-ok2920:
+ok3101:
   %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 10
   %t38 = load i64, ptr %a19
   %t39 = load { ptr, i64, i64 }, ptr %t37
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range2921, label %inrange2922
-range2921:
-  call void @finch_panic_index(ptr @.str.1886, i64 1151, i64 %t38, i64 %t40)
+  br i1 %t41, label %range3102, label %inrange3103
+range3102:
+  call void @finch_panic_index(ptr @.str.1959, i64 1286, i64 %t38, i64 %t40)
   unreachable
-inrange2922:
+inrange3103:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.gen.Scope, ptr %t42, i64 %t38
   %t44 = getelementptr inbounds %S.gen.Scope, ptr %t43, i32 0, i32 0
@@ -29661,11 +34901,11 @@ inrange2922:
   %t46 = load { ptr, i64, i64 }, ptr %t44
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 %t45, %t47
-  br i1 %t48, label %range2923, label %inrange2924
-range2923:
-  call void @finch_panic_index(ptr @.str.1887, i64 1151, i64 %t45, i64 %t47)
+  br i1 %t48, label %range3104, label %inrange3105
+range3104:
+  call void @finch_panic_index(ptr @.str.1960, i64 1286, i64 %t45, i64 %t47)
   unreachable
-inrange2924:
+inrange3105:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds %S.gen.Var, ptr %t49, i64 %t45
   %t51 = getelementptr inbounds %S.gen.Var, ptr %t50, i32 0, i32 0
@@ -29675,38 +34915,38 @@ inrange2924:
   store { ptr, i64, i64 } %t53, ptr %a55
   %t56 = call i32 @finch_str_eq(ptr %a54, ptr %a55)
   %t57 = icmp ne i32 %t56, 0
-  br i1 %t57, label %then2925, label %endif2927
-then2925:
+  br i1 %t57, label %then3106, label %endif3108
+then3106:
   %t58 = load ptr, ptr %a1
   %t59 = icmp eq ptr %t58, null
-  br i1 %t59, label %panic2928, label %ok2929
-panic2928:
-  call void @finch_panic(ptr @.str.1888, i64 1152, ptr @.str.1889)
+  br i1 %t59, label %panic3109, label %ok3110
+panic3109:
+  call void @finch_panic(ptr @.str.1961, i64 1287, ptr @.str.1962)
   unreachable
-ok2929:
-  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 42
+ok3110:
+  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 43
   %t61 = load i1, ptr %t60
-  br label %logic.from2930
-logic.from2930:
-  br i1 %t61, label %logic.rhs2931, label %logic.end2932
-logic.rhs2931:
+  br label %logic.from3111
+logic.from3111:
+  br i1 %t61, label %logic.rhs3112, label %logic.end3113
+logic.rhs3112:
   %t62 = load ptr, ptr %a1
   %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic2933, label %ok2934
-panic2933:
-  call void @finch_panic(ptr @.str.1890, i64 1152, ptr @.str.1891)
+  br i1 %t63, label %panic3114, label %ok3115
+panic3114:
+  call void @finch_panic(ptr @.str.1963, i64 1287, ptr @.str.1964)
   unreachable
-ok2934:
+ok3115:
   %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 10
   %t65 = load i64, ptr %a19
   %t66 = load { ptr, i64, i64 }, ptr %t64
   %t67 = extractvalue { ptr, i64, i64 } %t66, 1
   %t68 = icmp uge i64 %t65, %t67
-  br i1 %t68, label %range2935, label %inrange2936
-range2935:
-  call void @finch_panic_index(ptr @.str.1892, i64 1152, i64 %t65, i64 %t67)
+  br i1 %t68, label %range3116, label %inrange3117
+range3116:
+  call void @finch_panic_index(ptr @.str.1965, i64 1287, i64 %t65, i64 %t67)
   unreachable
-inrange2936:
+inrange3117:
   %t69 = extractvalue { ptr, i64, i64 } %t66, 0
   %t70 = getelementptr inbounds %S.gen.Scope, ptr %t69, i64 %t65
   %t71 = getelementptr inbounds %S.gen.Scope, ptr %t70, i32 0, i32 0
@@ -29714,54 +34954,54 @@ inrange2936:
   %t73 = load { ptr, i64, i64 }, ptr %t71
   %t74 = extractvalue { ptr, i64, i64 } %t73, 1
   %t75 = icmp uge i64 %t72, %t74
-  br i1 %t75, label %range2937, label %inrange2938
-range2937:
-  call void @finch_panic_index(ptr @.str.1893, i64 1152, i64 %t72, i64 %t74)
+  br i1 %t75, label %range3118, label %inrange3119
+range3118:
+  call void @finch_panic_index(ptr @.str.1966, i64 1287, i64 %t72, i64 %t74)
   unreachable
-inrange2938:
+inrange3119:
   %t76 = extractvalue { ptr, i64, i64 } %t73, 0
   %t77 = getelementptr inbounds %S.gen.Var, ptr %t76, i64 %t72
   %t78 = getelementptr inbounds %S.gen.Var, ptr %t77, i32 0, i32 4
   %t79 = load i64, ptr %t78
   %t80 = load ptr, ptr %a1
   %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic2939, label %ok2940
-panic2939:
-  call void @finch_panic(ptr @.str.1894, i64 1152, ptr @.str.1895)
+  br i1 %t81, label %panic3120, label %ok3121
+panic3120:
+  call void @finch_panic(ptr @.str.1967, i64 1287, ptr @.str.1968)
   unreachable
-ok2940:
-  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 43
+ok3121:
+  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 44
   %t83 = load i64, ptr %t82
   %t84 = icmp sge i64 %t79, %t83
-  br label %logic.rend2941
-logic.rend2941:
-  br label %logic.end2932
-logic.end2932:
-  %t85 = phi i1 [ false, %logic.from2930 ], [ %t84, %logic.rend2941 ]
-  br i1 %t85, label %then2942, label %endif2944
-then2942:
-  br label %for.step2917
-endif2944:
+  br label %logic.rend3122
+logic.rend3122:
+  br label %logic.end3113
+logic.end3113:
+  %t85 = phi i1 [ false, %logic.from3111 ], [ %t84, %logic.rend3122 ]
+  br i1 %t85, label %then3123, label %endif3125
+then3123:
+  br label %for.step3098
+endif3125:
   %t86 = load i64, ptr %a19
   %t87 = mul i64 %t86, 100000
   %t88 = load i64, ptr %a32
   %t89 = add i64 %t87, %t88
   ret i64 %t89
-endif2927:
-  br label %for.step2917
-for.step2917:
+endif3108:
+  br label %for.step3098
+for.step3098:
   %t90 = load i64, ptr %a32
   %t91 = add i64 %t90, 1
   store i64 %t91, ptr %a32
-  br label %for.cond2915
-for.end2918:
-  br label %for.step2907
-for.step2907:
+  br label %for.cond3096
+for.end3099:
+  br label %for.step3088
+for.step3088:
   %t92 = load i64, ptr %a8
   %t93 = add i64 %t92, 1
   store i64 %t93, ptr %a8
-  br label %for.cond2905
-for.end2908:
+  br label %for.cond3086
+for.end3089:
   ret i64 -1
 }
 
@@ -29779,8 +35019,8 @@ entry:
   %t6 = getelementptr inbounds %S.gen.Var, ptr %dst, i32 0, i32 2
   %t7 = getelementptr inbounds %S.gen.Var, ptr %src, i32 0, i32 2
   call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.gen.Var, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.gen.Var, ptr %src, i32 0, i32 5
+  %t8 = getelementptr inbounds %S.gen.Var, ptr %dst, i32 0, i32 7
+  %t9 = getelementptr inbounds %S.gen.Var, ptr %src, i32 0, i32 7
   call void @finch_str_copy(ptr %t8, ptr %t9)
   ret void
 }
@@ -29795,22 +35035,22 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2945, label %ok2946
-panic2945:
-  call void @finch_panic(ptr @.str.1896, i64 1163, ptr @.str.1897)
+  br i1 %t4, label %panic3126, label %ok3127
+panic3126:
+  call void @finch_panic(ptr @.str.1969, i64 1298, ptr @.str.1970)
   unreachable
-ok2946:
+ok3127:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = load i64, ptr %a2
   %t7 = sdiv i64 %t6, 100000
   %t8 = load { ptr, i64, i64 }, ptr %t5
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range2947, label %inrange2948
-range2947:
-  call void @finch_panic_index(ptr @.str.1898, i64 1163, i64 %t7, i64 %t9)
+  br i1 %t10, label %range3128, label %inrange3129
+range3128:
+  call void @finch_panic_index(ptr @.str.1971, i64 1298, i64 %t7, i64 %t9)
   unreachable
-inrange2948:
+inrange3129:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.Scope, ptr %t11, i64 %t7
   %t13 = getelementptr inbounds %S.gen.Scope, ptr %t12, i32 0, i32 0
@@ -29819,11 +35059,11 @@ inrange2948:
   %t16 = load { ptr, i64, i64 }, ptr %t13
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2949, label %inrange2950
-range2949:
-  call void @finch_panic_index(ptr @.str.1899, i64 1163, i64 %t15, i64 %t17)
+  br i1 %t18, label %range3130, label %inrange3131
+range3130:
+  call void @finch_panic_index(ptr @.str.1972, i64 1298, i64 %t15, i64 %t17)
   unreachable
-inrange2950:
+inrange3131:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.Var, ptr %t19, i64 %t15
   %t21 = load %S.gen.Var, ptr %t20
@@ -29848,38 +35088,38 @@ entry:
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2951, label %ok2952
-panic2951:
-  call void @finch_panic(ptr @.str.1900, i64 1167, ptr @.str.1901)
+  br i1 %t5, label %panic3132, label %ok3133
+panic3132:
+  call void @finch_panic(ptr @.str.1973, i64 1302, ptr @.str.1974)
   unreachable
-ok2952:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 14
+ok3133:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 15
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load i64, ptr %t7
   store i64 0, ptr %a9
-  br label %for.cond2953
-for.cond2953:
+  br label %for.cond3134
+for.cond3134:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t8
-  br i1 %t11, label %for.body2954, label %for.end2956
-for.body2954:
+  br i1 %t11, label %for.body3135, label %for.end3137
+for.body3135:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic2957, label %ok2958
-panic2957:
-  call void @finch_panic(ptr @.str.1902, i64 1168, ptr @.str.1903)
+  br i1 %t13, label %panic3138, label %ok3139
+panic3138:
+  call void @finch_panic(ptr @.str.1975, i64 1303, ptr @.str.1976)
   unreachable
-ok2958:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 14
+ok3139:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 15
   %t15 = load i64, ptr %a9
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2959, label %inrange2960
-range2959:
-  call void @finch_panic_index(ptr @.str.1904, i64 1168, i64 %t15, i64 %t17)
+  br i1 %t18, label %range3140, label %inrange3141
+range3140:
+  call void @finch_panic_index(ptr @.str.1977, i64 1303, i64 %t15, i64 %t17)
   unreachable
-inrange2960:
+inrange3141:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.FnSig, ptr %t19, i64 %t15
   %t21 = getelementptr inbounds %S.gen.FnSig, ptr %t20, i32 0, i32 0
@@ -29889,27 +35129,27 @@ inrange2960:
   store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from2961
-logic.from2961:
-  br i1 %t27, label %logic.rhs2962, label %logic.end2963
-logic.rhs2962:
+  br label %logic.from3142
+logic.from3142:
+  br i1 %t27, label %logic.rhs3143, label %logic.end3144
+logic.rhs3143:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2964, label %ok2965
-panic2964:
-  call void @finch_panic(ptr @.str.1905, i64 1168, ptr @.str.1906)
+  br i1 %t29, label %panic3145, label %ok3146
+panic3145:
+  call void @finch_panic(ptr @.str.1978, i64 1303, ptr @.str.1979)
   unreachable
-ok2965:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 14
+ok3146:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 15
   %t31 = load i64, ptr %a9
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range2966, label %inrange2967
-range2966:
-  call void @finch_panic_index(ptr @.str.1907, i64 1168, i64 %t31, i64 %t33)
+  br i1 %t34, label %range3147, label %inrange3148
+range3147:
+  call void @finch_panic_index(ptr @.str.1980, i64 1303, i64 %t31, i64 %t33)
   unreachable
-inrange2967:
+inrange3148:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.FnSig, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.FnSig, ptr %t36, i32 0, i32 1
@@ -29919,55 +35159,55 @@ inrange2967:
   store { ptr, i64, i64 } %t39, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend2968
-logic.rend2968:
-  br label %logic.end2963
-logic.end2963:
-  %t44 = phi i1 [ false, %logic.from2961 ], [ %t43, %logic.rend2968 ]
-  br label %logic.from2969
-logic.from2969:
-  br i1 %t44, label %logic.rhs2970, label %logic.end2971
-logic.rhs2970:
+  br label %logic.rend3149
+logic.rend3149:
+  br label %logic.end3144
+logic.end3144:
+  %t44 = phi i1 [ false, %logic.from3142 ], [ %t43, %logic.rend3149 ]
+  br label %logic.from3150
+logic.from3150:
+  br i1 %t44, label %logic.rhs3151, label %logic.end3152
+logic.rhs3151:
   %t45 = load ptr, ptr %a1
   %t46 = icmp eq ptr %t45, null
-  br i1 %t46, label %panic2972, label %ok2973
-panic2972:
-  call void @finch_panic(ptr @.str.1908, i64 1168, ptr @.str.1909)
+  br i1 %t46, label %panic3153, label %ok3154
+panic3153:
+  call void @finch_panic(ptr @.str.1981, i64 1303, ptr @.str.1982)
   unreachable
-ok2973:
-  %t47 = getelementptr inbounds %S.gen.Gen, ptr %t45, i32 0, i32 14
+ok3154:
+  %t47 = getelementptr inbounds %S.gen.Gen, ptr %t45, i32 0, i32 15
   %t48 = load i64, ptr %a9
   %t49 = load { ptr, i64, i64 }, ptr %t47
   %t50 = extractvalue { ptr, i64, i64 } %t49, 1
   %t51 = icmp uge i64 %t48, %t50
-  br i1 %t51, label %range2974, label %inrange2975
-range2974:
-  call void @finch_panic_index(ptr @.str.1910, i64 1168, i64 %t48, i64 %t50)
+  br i1 %t51, label %range3155, label %inrange3156
+range3155:
+  call void @finch_panic_index(ptr @.str.1983, i64 1303, i64 %t48, i64 %t50)
   unreachable
-inrange2975:
+inrange3156:
   %t52 = extractvalue { ptr, i64, i64 } %t49, 0
   %t53 = getelementptr inbounds %S.gen.FnSig, ptr %t52, i64 %t48
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %t53, i32 0, i32 2
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = icmp eq i64 %t56, 0
-  br label %logic.rend2976
-logic.rend2976:
-  br label %logic.end2971
-logic.end2971:
-  %t58 = phi i1 [ false, %logic.from2969 ], [ %t57, %logic.rend2976 ]
-  br i1 %t58, label %then2977, label %endif2979
-then2977:
+  br label %logic.rend3157
+logic.rend3157:
+  br label %logic.end3152
+logic.end3152:
+  %t58 = phi i1 [ false, %logic.from3150 ], [ %t57, %logic.rend3157 ]
+  br i1 %t58, label %then3158, label %endif3160
+then3158:
   %t59 = load i64, ptr %a9
   ret i64 %t59
-endif2979:
-  br label %for.step2955
-for.step2955:
+endif3160:
+  br label %for.step3136
+for.step3136:
   %t60 = load i64, ptr %a9
   %t61 = add i64 %t60, 1
   store i64 %t61, ptr %a9
-  br label %for.cond2953
-for.end2956:
+  br label %for.cond3134
+for.end3137:
   ret i64 -1
 }
 
@@ -29990,38 +35230,38 @@ entry:
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic2980, label %ok2981
-panic2980:
-  call void @finch_panic(ptr @.str.1911, i64 1176, ptr @.str.1912)
+  br i1 %t6, label %panic3161, label %ok3162
+panic3161:
+  call void @finch_panic(ptr @.str.1984, i64 1311, ptr @.str.1985)
   unreachable
-ok2981:
-  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 14
+ok3162:
+  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 15
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i32 0, i32 1
   %t9 = load i64, ptr %t8
   store i64 0, ptr %a10
-  br label %for.cond2982
-for.cond2982:
+  br label %for.cond3163
+for.cond3163:
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, %t9
-  br i1 %t12, label %for.body2983, label %for.end2985
-for.body2983:
+  br i1 %t12, label %for.body3164, label %for.end3166
+for.body3164:
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic2986, label %ok2987
-panic2986:
-  call void @finch_panic(ptr @.str.1913, i64 1177, ptr @.str.1914)
+  br i1 %t14, label %panic3167, label %ok3168
+panic3167:
+  call void @finch_panic(ptr @.str.1986, i64 1312, ptr @.str.1987)
   unreachable
-ok2987:
-  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 14
+ok3168:
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 15
   %t16 = load i64, ptr %a10
   %t17 = load { ptr, i64, i64 }, ptr %t15
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 %t16, %t18
-  br i1 %t19, label %range2988, label %inrange2989
-range2988:
-  call void @finch_panic_index(ptr @.str.1915, i64 1177, i64 %t16, i64 %t18)
+  br i1 %t19, label %range3169, label %inrange3170
+range3169:
+  call void @finch_panic_index(ptr @.str.1988, i64 1312, i64 %t16, i64 %t18)
   unreachable
-inrange2989:
+inrange3170:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.gen.FnSig, ptr %t20, i64 %t16
   %t22 = getelementptr inbounds %S.gen.FnSig, ptr %t21, i32 0, i32 3
@@ -30031,27 +35271,27 @@ inrange2989:
   store { ptr, i64, i64 } %t24, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br label %logic.from2990
-logic.from2990:
-  br i1 %t28, label %logic.rhs2991, label %logic.end2992
-logic.rhs2991:
+  br label %logic.from3171
+logic.from3171:
+  br i1 %t28, label %logic.rhs3172, label %logic.end3173
+logic.rhs3172:
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2993, label %ok2994
-panic2993:
-  call void @finch_panic(ptr @.str.1916, i64 1177, ptr @.str.1917)
+  br i1 %t30, label %panic3174, label %ok3175
+panic3174:
+  call void @finch_panic(ptr @.str.1989, i64 1312, ptr @.str.1990)
   unreachable
-ok2994:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 14
+ok3175:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 15
   %t32 = load i64, ptr %a10
   %t33 = load { ptr, i64, i64 }, ptr %t31
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range2995, label %inrange2996
-range2995:
-  call void @finch_panic_index(ptr @.str.1918, i64 1177, i64 %t32, i64 %t34)
+  br i1 %t35, label %range3176, label %inrange3177
+range3176:
+  call void @finch_panic_index(ptr @.str.1991, i64 1312, i64 %t32, i64 %t34)
   unreachable
-inrange2996:
+inrange3177:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds %S.gen.FnSig, ptr %t36, i64 %t32
   %t38 = getelementptr inbounds %S.gen.FnSig, ptr %t37, i32 0, i32 2
@@ -30061,32 +35301,32 @@ inrange2996:
   store { ptr, i64, i64 } %t40, ptr %a42
   %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
   %t44 = icmp ne i32 %t43, 0
-  br label %logic.rend2997
-logic.rend2997:
-  br label %logic.end2992
-logic.end2992:
-  %t45 = phi i1 [ false, %logic.from2990 ], [ %t44, %logic.rend2997 ]
-  br label %logic.from2998
-logic.from2998:
-  br i1 %t45, label %logic.rhs2999, label %logic.end3000
-logic.rhs2999:
+  br label %logic.rend3178
+logic.rend3178:
+  br label %logic.end3173
+logic.end3173:
+  %t45 = phi i1 [ false, %logic.from3171 ], [ %t44, %logic.rend3178 ]
+  br label %logic.from3179
+logic.from3179:
+  br i1 %t45, label %logic.rhs3180, label %logic.end3181
+logic.rhs3180:
   %t46 = load ptr, ptr %a1
   %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic3001, label %ok3002
-panic3001:
-  call void @finch_panic(ptr @.str.1919, i64 1177, ptr @.str.1920)
+  br i1 %t47, label %panic3182, label %ok3183
+panic3182:
+  call void @finch_panic(ptr @.str.1992, i64 1312, ptr @.str.1993)
   unreachable
-ok3002:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 14
+ok3183:
+  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 15
   %t49 = load i64, ptr %a10
   %t50 = load { ptr, i64, i64 }, ptr %t48
   %t51 = extractvalue { ptr, i64, i64 } %t50, 1
   %t52 = icmp uge i64 %t49, %t51
-  br i1 %t52, label %range3003, label %inrange3004
-range3003:
-  call void @finch_panic_index(ptr @.str.1921, i64 1177, i64 %t49, i64 %t51)
+  br i1 %t52, label %range3184, label %inrange3185
+range3184:
+  call void @finch_panic_index(ptr @.str.1994, i64 1312, i64 %t49, i64 %t51)
   unreachable
-inrange3004:
+inrange3185:
   %t53 = extractvalue { ptr, i64, i64 } %t50, 0
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %t53, i64 %t49
   %t55 = getelementptr inbounds %S.gen.FnSig, ptr %t54, i32 0, i32 1
@@ -30096,23 +35336,23 @@ inrange3004:
   store { ptr, i64, i64 } %t57, ptr %a59
   %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
   %t61 = icmp ne i32 %t60, 0
-  br label %logic.rend3005
-logic.rend3005:
-  br label %logic.end3000
-logic.end3000:
-  %t62 = phi i1 [ false, %logic.from2998 ], [ %t61, %logic.rend3005 ]
-  br i1 %t62, label %then3006, label %endif3008
-then3006:
+  br label %logic.rend3186
+logic.rend3186:
+  br label %logic.end3181
+logic.end3181:
+  %t62 = phi i1 [ false, %logic.from3179 ], [ %t61, %logic.rend3186 ]
+  br i1 %t62, label %then3187, label %endif3189
+then3187:
   %t63 = load i64, ptr %a10
   ret i64 %t63
-endif3008:
-  br label %for.step2984
-for.step2984:
+endif3189:
+  br label %for.step3165
+for.step3165:
   %t64 = load i64, ptr %a10
   %t65 = add i64 %t64, 1
   store i64 %t65, ptr %a10
-  br label %for.cond2982
-for.end2985:
+  br label %for.cond3163
+for.end3166:
   ret i64 -1
 }
 
@@ -30128,61 +35368,61 @@ entry:
   %t2 = mul i64 28, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.1922, i64 5, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.1995, i64 5, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.1923, i64 4, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.1996, i64 4, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.1924, i64 3, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.1997, i64 3, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.1925, i64 3, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.1998, i64 3, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.1926, i64 4, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.1999, i64 4, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.1927, i64 5, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.2000, i64 5, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.1928, i64 4, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.2001, i64 4, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.1929, i64 9, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.2002, i64 9, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.1930, i64 10, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.2003, i64 10, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.1931, i64 11, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.2004, i64 11, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.1932, i64 5, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.2005, i64 5, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.1933, i64 4, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.2006, i64 4, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.1934, i64 5, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.2007, i64 5, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.1935, i64 3, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.2008, i64 3, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.1936, i64 4, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.2009, i64 4, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.1937, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.2010, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 16
-  store { ptr, i64, i64 } { ptr @.str.1938, i64 11, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.2011, i64 11, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 17
-  store { ptr, i64, i64 } { ptr @.str.1939, i64 2, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.2012, i64 2, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 18
-  store { ptr, i64, i64 } { ptr @.str.1940, i64 3, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.2013, i64 3, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 19
-  store { ptr, i64, i64 } { ptr @.str.1941, i64 3, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.2014, i64 3, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 20
-  store { ptr, i64, i64 } { ptr @.str.1942, i64 3, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.2015, i64 3, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 21
-  store { ptr, i64, i64 } { ptr @.str.1943, i64 2, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.2016, i64 2, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 22
-  store { ptr, i64, i64 } { ptr @.str.1944, i64 3, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.2017, i64 3, i64 0 }, ptr %t26
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 23
-  store { ptr, i64, i64 } { ptr @.str.1945, i64 3, i64 0 }, ptr %t27
+  store { ptr, i64, i64 } { ptr @.str.2018, i64 3, i64 0 }, ptr %t27
   %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 24
-  store { ptr, i64, i64 } { ptr @.str.1946, i64 3, i64 0 }, ptr %t28
+  store { ptr, i64, i64 } { ptr @.str.2019, i64 3, i64 0 }, ptr %t28
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 25
-  store { ptr, i64, i64 } { ptr @.str.1947, i64 3, i64 0 }, ptr %t29
+  store { ptr, i64, i64 } { ptr @.str.2020, i64 3, i64 0 }, ptr %t29
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 26
-  store { ptr, i64, i64 } { ptr @.str.1948, i64 3, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.2021, i64 3, i64 0 }, ptr %t30
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 27
-  store { ptr, i64, i64 } { ptr @.str.1949, i64 5, i64 0 }, ptr %t31
+  store { ptr, i64, i64 } { ptr @.str.2022, i64 5, i64 0 }, ptr %t31
   %t32 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t33 = insertvalue { ptr, i64, i64 } %t32, i64 28, 1
   %t34 = insertvalue { ptr, i64, i64 } %t33, i64 28, 2
@@ -30193,33 +35433,34 @@ entry:
   %t39 = load i64, ptr %t36
   %t40 = load ptr, ptr %a35
   store i64 0, ptr %a41
-  br label %find.cond3009
-find.cond3009:
+  br label %find.cond3190
+find.cond3190:
   %t42 = load i64, ptr %a41
   %t43 = icmp slt i64 %t42, %t39
-  br i1 %t43, label %find.body3010, label %find.end3013
-find.body3010:
+  br i1 %t43, label %find.body3191, label %find.end3194
+find.body3191:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t42
   %t45 = load { ptr, i64, i64 }, ptr %t44
   store { ptr, i64, i64 } %t45, ptr %a46
   store { ptr, i64, i64 } %t37, ptr %a47
   %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
   %t49 = icmp ne i32 %t48, 0
-  br i1 %t49, label %find.hit3011, label %find.next3012
-find.hit3011:
+  br i1 %t49, label %find.hit3192, label %find.next3193
+find.hit3192:
   store i64 %t42, ptr %a38
-  br label %find.end3013
-find.next3012:
+  br label %find.end3194
+find.next3193:
   %t50 = add i64 %t42, 1
   store i64 %t50, ptr %a41
-  br label %find.cond3009
-find.end3013:
+  br label %find.cond3190
+find.end3194:
   %t51 = load i64, ptr %a38
   %t52 = icmp sge i64 %t51, 0
+  call void @finch.drop.arr_str(ptr %a35)
   ret i1 %t52
 }
 
-define internal { ptr, i64, i64 } @finch.gen.addVar(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4, i1 %p5) {
+define internal { ptr, i64, i64 } @finch.gen.addVar(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4, i1 %p5, i1 %p6) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
@@ -30227,85 +35468,75 @@ entry:
   %a4 = alloca %S.ast.Type, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca i1, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca i1, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca %S.ast.Type, align 16
-  %a95 = alloca %S.ast.Type, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca %S.ast.Node, align 16
-  %a189 = alloca %S.ast.Node, align 16
-  %a191 = alloca %S.ast.Node, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca i64, align 16
+  %a93 = alloca i1, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca %S.ast.Type, align 16
+  %a142 = alloca %S.ast.Type, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca %S.ast.Node, align 16
+  %a238 = alloca %S.ast.Node, align 16
+  %a240 = alloca %S.ast.Node, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
   %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
   %a285 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
@@ -30313,497 +35544,678 @@ entry:
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
   %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Type %p3, ptr %a4
   store { ptr, i64, i64 } %p4, ptr %a5
   store i1 %p5, ptr %a6
-  %t7 = load ptr, ptr %a1
-  %t8 = load { ptr, i64, i64 }, ptr %a3
-  %t9 = call i64 @finch.gen.lookup(ptr %t7, { ptr, i64, i64 } %t8)
-  %t10 = icmp sge i64 %t9, 0
-  br label %logic.from3014
-logic.from3014:
-  br i1 %t10, label %logic.rhs3015, label %logic.end3016
-logic.rhs3015:
-  %t11 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t11, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1950, i64 3, i64 0 }, ptr %a13
-  %t14 = call i32 @finch_str_eq(ptr %a12, ptr %a13)
-  %t15 = icmp eq i32 %t14, 0
-  br label %logic.rend3017
-logic.rend3017:
-  br label %logic.end3016
-logic.end3016:
-  %t16 = phi i1 [ false, %logic.from3014 ], [ %t15, %logic.rend3017 ]
-  br i1 %t16, label %then3018, label %endif3020
-then3018:
-  %t17 = load ptr, ptr %a1
-  %t18 = load %S.ast.Node, ptr %a2
-  %t19 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1951, i64 18, i64 0 }, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1952, i64 21, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  call void @finch.gen.fail(ptr %t17, %S.ast.Node %t18, { ptr, i64, i64 } %t27)
-  br label %endif3020
-endif3020:
-  %t28 = load ptr, ptr %a1
-  %t29 = load ptr, ptr %a1
-  %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic3021, label %ok3022
-panic3021:
-  call void @finch_panic(ptr @.str.1953, i64 1195, ptr @.str.1954)
+  store i1 %p6, ptr %a7
+  %t8 = load ptr, ptr %a1
+  %t9 = load { ptr, i64, i64 }, ptr %a3
+  %t10 = call i64 @finch.gen.lookup(ptr %t8, { ptr, i64, i64 } %t9)
+  %t11 = icmp sge i64 %t10, 0
+  br label %logic.from3195
+logic.from3195:
+  br i1 %t11, label %logic.rhs3196, label %logic.end3197
+logic.rhs3196:
+  %t12 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t12, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.2023, i64 3, i64 0 }, ptr %a14
+  %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
+  %t16 = icmp eq i32 %t15, 0
+  br label %logic.rend3198
+logic.rend3198:
+  br label %logic.end3197
+logic.end3197:
+  %t17 = phi i1 [ false, %logic.from3195 ], [ %t16, %logic.rend3198 ]
+  br i1 %t17, label %then3199, label %endif3201
+then3199:
+  %t18 = load ptr, ptr %a1
+  %t19 = load %S.ast.Node, ptr %a2
+  %t20 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2024, i64 18, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.2025, i64 21, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.fail(ptr %t18, %S.ast.Node %t19, { ptr, i64, i64 } %t29)
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  br label %endif3201
+endif3201:
+  %t31 = load ptr, ptr %a1
+  %t32 = load ptr, ptr %a1
+  %t33 = icmp eq ptr %t32, null
+  br i1 %t33, label %panic3202, label %ok3203
+panic3202:
+  call void @finch_panic(ptr @.str.2026, i64 1330, ptr @.str.2027)
   unreachable
-ok3022:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 13
-  %t32 = load { ptr, i64, i64 }, ptr %t31
-  %t33 = load { ptr, i64, i64 }, ptr %a3
-  %t34 = call i64 @finch.gen.findFn(ptr %t28, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33)
-  %t35 = icmp sge i64 %t34, 0
-  br i1 %t35, label %then3023, label %endif3025
-then3023:
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Node, ptr %a2
-  %t38 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1955, i64 1, i64 0 }, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.1956, i64 35, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } %t46)
-  br label %endif3025
-endif3025:
-  %t47 = load { ptr, i64, i64 }, ptr %a3
-  %t48 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t47)
-  br i1 %t48, label %then3026, label %endif3028
-then3026:
-  %t49 = load ptr, ptr %a1
-  %t50 = load %S.ast.Node, ptr %a2
-  %t51 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1957, i64 1, i64 0 }, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1958, i64 38, i64 0 }, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  call void @finch.gen.fail(ptr %t49, %S.ast.Node %t50, { ptr, i64, i64 } %t59)
-  br label %endif3028
-endif3028:
-  %t60 = load ptr, ptr %a1
-  %t61 = load ptr, ptr %a1
-  %t62 = load %S.ast.Type, ptr %a4
-  %t63 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t61, %S.ast.Type %t62)
-  %t64 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t60, { ptr, i64, i64 } %t63)
-  store { ptr, i64, i64 } %t64, ptr %a65
-  %t66 = load ptr, ptr %a1
+ok3203:
+  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 14
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  %t36 = load { ptr, i64, i64 }, ptr %a3
+  %t37 = call i64 @finch.gen.findFn(ptr %t31, { ptr, i64, i64 } %t35, { ptr, i64, i64 } %t36)
+  %t38 = icmp sge i64 %t37, 0
+  br i1 %t38, label %then3204, label %endif3206
+then3204:
+  %t39 = load ptr, ptr %a1
+  %t40 = load %S.ast.Node, ptr %a2
+  %t41 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2028, i64 1, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  store { ptr, i64, i64 } %t45, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.2029, i64 35, i64 0 }, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t45, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } %t50)
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %endif3206
+endif3206:
+  %t52 = load { ptr, i64, i64 }, ptr %a3
+  %t53 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t52)
+  br i1 %t53, label %then3207, label %endif3209
+then3207:
+  %t54 = load ptr, ptr %a1
+  %t55 = load %S.ast.Node, ptr %a2
+  %t56 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2030, i64 1, i64 0 }, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t60, ptr %a62
+  store { ptr, i64, i64 } { ptr @.str.2031, i64 38, i64 0 }, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  call void @finch.gen.fail(ptr %t54, %S.ast.Node %t55, { ptr, i64, i64 } %t65)
+  store { ptr, i64, i64 } %t65, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  br label %endif3209
+endif3209:
   %t67 = load ptr, ptr %a1
-  %t68 = load %S.ast.Type, ptr %a4
-  %t69 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t67, %S.ast.Type %t68)
-  %t70 = load { ptr, i64, i64 }, ptr %a5
-  %t71 = load { ptr, i64, i64 }, ptr %a65
-  call void @finch.gen.store(ptr %t66, { ptr, i64, i64 } %t69, { ptr, i64, i64 } %t70, { ptr, i64, i64 } %t71)
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic3029, label %ok3030
-panic3029:
-  call void @finch_panic(ptr @.str.1959, i64 1203, ptr @.str.1960)
-  unreachable
-ok3030:
-  %t74 = getelementptr inbounds %S.gen.Gen, ptr %t72, i32 0, i32 10
+  %t68 = load ptr, ptr %a1
+  %t69 = load %S.ast.Type, ptr %a4
+  %t70 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t68, %S.ast.Type %t69)
+  %t71 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t67, { ptr, i64, i64 } %t70)
+  store { ptr, i64, i64 } %t70, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t71, ptr %a73
+  %t74 = load ptr, ptr %a1
   %t75 = load ptr, ptr %a1
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic3031, label %ok3032
-panic3031:
-  call void @finch_panic(ptr @.str.1961, i64 1203, ptr @.str.1962)
+  %t76 = load %S.ast.Type, ptr %a4
+  %t77 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t75, %S.ast.Type %t76)
+  %t78 = load { ptr, i64, i64 }, ptr %a5
+  %t79 = load { ptr, i64, i64 }, ptr %a73
+  call void @finch.gen.store(ptr %t74, { ptr, i64, i64 } %t77, { ptr, i64, i64 } %t78, { ptr, i64, i64 } %t79)
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic3210, label %ok3211
+panic3210:
+  call void @finch_panic(ptr @.str.2032, i64 1338, ptr @.str.2033)
   unreachable
-ok3032:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 10
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t79 = load i64, ptr %t78
-  %t80 = sub i64 %t79, 1
-  %t81 = load { ptr, i64, i64 }, ptr %t74
-  %t82 = extractvalue { ptr, i64, i64 } %t81, 1
-  %t83 = icmp uge i64 %t80, %t82
-  br i1 %t83, label %range3033, label %inrange3034
-range3033:
-  call void @finch_panic_index(ptr @.str.1963, i64 1203, i64 %t80, i64 %t82)
+ok3211:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 10
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = sub i64 %t85, 1
+  store i64 %t86, ptr %a87
+  %t88 = load i1, ptr %a7
+  br label %logic.from3212
+logic.from3212:
+  br i1 %t88, label %logic.rhs3213, label %logic.end3214
+logic.rhs3213:
+  %t89 = load ptr, ptr %a1
+  %t90 = load %S.ast.Type, ptr %a4
+  %t91 = call i1 @finch.gen.owning(ptr %t89, %S.ast.Type %t90)
+  br label %logic.rend3215
+logic.rend3215:
+  br label %logic.end3214
+logic.end3214:
+  %t92 = phi i1 [ false, %logic.from3212 ], [ %t91, %logic.rend3215 ]
+  store i1 %t92, ptr %a93
+  %t94 = load i1, ptr %a93
+  br i1 %t94, label %then3216, label %endif3218
+then3216:
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic3219, label %ok3220
+panic3219:
+  call void @finch_panic(ptr @.str.2034, i64 1341, ptr @.str.2035)
   unreachable
-inrange3034:
-  %t84 = extractvalue { ptr, i64, i64 } %t81, 0
-  %t85 = getelementptr inbounds %S.gen.Scope, ptr %t84, i64 %t80
-  %t86 = getelementptr inbounds %S.gen.Scope, ptr %t85, i32 0, i32 0
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
-  %t88 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t88, ptr %a89
-  call void @finch_str_copy(ptr %a90, ptr %a89)
-  %t91 = load { ptr, i64, i64 }, ptr %a90
-  %t92 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } %t91, 0
-  %t93 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t93, ptr %a94
-  call void @finch.copy.S_ast_Type(ptr %a95, ptr %a94)
-  %t96 = load %S.ast.Type, ptr %a95
-  %t97 = insertvalue %S.gen.Var %t92, %S.ast.Type %t96, 1
-  %t98 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t98, ptr %a99
-  call void @finch_str_copy(ptr %a100, ptr %a99)
-  %t101 = load { ptr, i64, i64 }, ptr %a100
-  %t102 = insertvalue %S.gen.Var %t97, { ptr, i64, i64 } %t101, 2
-  %t103 = load i1, ptr %a6
-  %t104 = insertvalue %S.gen.Var %t102, i1 %t103, 3
-  %t105 = load ptr, ptr %a1
-  %t106 = icmp eq ptr %t105, null
-  br i1 %t106, label %panic3035, label %ok3036
-panic3035:
-  call void @finch_panic(ptr @.str.1964, i64 1203, ptr @.str.1965)
+ok3220:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 10
+  %t98 = load i64, ptr %a87
+  %t99 = load { ptr, i64, i64 }, ptr %t97
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 %t98, %t100
+  br i1 %t101, label %range3221, label %inrange3222
+range3221:
+  call void @finch_panic_index(ptr @.str.2036, i64 1341, i64 %t98, i64 %t100)
   unreachable
-ok3036:
-  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 23
-  %t108 = load i64, ptr %t107
-  %t109 = insertvalue %S.gen.Var %t104, i64 %t108, 4
-  %t110 = load ptr, ptr %a1
-  %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic3037, label %ok3038
-panic3037:
-  call void @finch_panic(ptr @.str.1966, i64 1203, ptr @.str.1967)
+inrange3222:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds %S.gen.Scope, ptr %t102, i64 %t98
+  %t104 = getelementptr inbounds %S.gen.Scope, ptr %t103, i32 0, i32 3
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t106 = insertvalue %S.gen.Cleanup zeroinitializer, i1 false, 0
+  %t107 = load ptr, ptr %a1
+  %t108 = icmp eq ptr %t107, null
+  br i1 %t108, label %panic3223, label %ok3224
+panic3223:
+  call void @finch_panic(ptr @.str.2037, i64 1341, ptr @.str.2038)
   unreachable
-ok3038:
-  %t112 = getelementptr inbounds %S.gen.Gen, ptr %t110, i32 0, i32 1
-  %t113 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t114 = load i64, ptr %t113
-  %t115 = load { ptr, i64, i64 }, ptr %t112
-  %t116 = extractvalue { ptr, i64, i64 } %t115, 1
-  %t117 = icmp uge i64 %t114, %t116
-  br i1 %t117, label %range3039, label %inrange3040
-range3039:
-  call void @finch_panic_index(ptr @.str.1968, i64 1203, i64 %t114, i64 %t116)
+ok3224:
+  %t109 = getelementptr inbounds %S.gen.Gen, ptr %t107, i32 0, i32 10
+  %t110 = load i64, ptr %a87
+  %t111 = load { ptr, i64, i64 }, ptr %t109
+  %t112 = extractvalue { ptr, i64, i64 } %t111, 1
+  %t113 = icmp uge i64 %t110, %t112
+  br i1 %t113, label %range3225, label %inrange3226
+range3225:
+  call void @finch_panic_index(ptr @.str.2039, i64 1341, i64 %t110, i64 %t112)
   unreachable
-inrange3040:
-  %t118 = extractvalue { ptr, i64, i64 } %t115, 0
-  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t118, i64 %t114
-  %t120 = load { ptr, i64, i64 }, ptr %t119
-  store { ptr, i64, i64 } %t120, ptr %a121
-  call void @finch_str_copy(ptr %a122, ptr %a121)
-  %t123 = load { ptr, i64, i64 }, ptr %a122
-  %t124 = insertvalue %S.gen.Var %t109, { ptr, i64, i64 } %t123, 5
-  %t125 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t126 = load i64, ptr %t125
-  %t127 = insertvalue %S.gen.Var %t124, i64 %t126, 6
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t129 = load i64, ptr %t128
-  %t130 = insertvalue %S.gen.Var %t127, i64 %t129, 7
-  %t131 = load i64, ptr %t87
-  %t132 = add i64 %t131, 1
-  call void @finch_arr_reserve(ptr %t86, i64 %t132, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
-  %t133 = load ptr, ptr %t86
-  %t134 = getelementptr inbounds %S.gen.Var, ptr %t133, i64 %t131
-  store %S.gen.Var %t130, ptr %t134
-  store i64 %t132, ptr %t87
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic3041, label %ok3042
-panic3041:
-  call void @finch_panic(ptr @.str.1969, i64 1204, ptr @.str.1970)
+inrange3226:
+  %t114 = extractvalue { ptr, i64, i64 } %t111, 0
+  %t115 = getelementptr inbounds %S.gen.Scope, ptr %t114, i64 %t110
+  %t116 = getelementptr inbounds %S.gen.Scope, ptr %t115, i32 0, i32 0
+  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %t116, i32 0, i32 1
+  %t118 = load i64, ptr %t117
+  %t119 = insertvalue %S.gen.Cleanup %t106, i64 %t118, 1
+  %t120 = load i64, ptr %t105
+  %t121 = add i64 %t120, 1
+  call void @finch_arr_reserve(ptr %t104, i64 %t121, i64 ptrtoint (ptr getelementptr (%S.gen.Cleanup, ptr null, i32 1) to i64))
+  %t122 = load ptr, ptr %t104
+  %t123 = getelementptr inbounds %S.gen.Cleanup, ptr %t122, i64 %t120
+  store %S.gen.Cleanup %t119, ptr %t123
+  store i64 %t121, ptr %t105
+  br label %endif3218
+endif3218:
+  %t124 = load ptr, ptr %a1
+  %t125 = icmp eq ptr %t124, null
+  br i1 %t125, label %panic3227, label %ok3228
+panic3227:
+  call void @finch_panic(ptr @.str.2040, i64 1343, ptr @.str.2041)
   unreachable
-ok3042:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 23
-  %t138 = load i64, ptr %t137
-  %t139 = add i64 %t138, 1
-  store i64 %t139, ptr %t137
-  %t140 = load ptr, ptr %a1
-  %t141 = load %S.ast.Node, ptr %a2
-  %t142 = load { ptr, i64, i64 }, ptr %a3
-  %t143 = load %S.ast.Type, ptr %a4
-  %t144 = load { ptr, i64, i64 }, ptr %a65
-  call void @finch.gen.dbgVariable(ptr %t140, %S.ast.Node %t141, { ptr, i64, i64 } %t142, %S.ast.Type %t143, { ptr, i64, i64 } %t144)
-  %t145 = load ptr, ptr %a1
-  %t146 = icmp eq ptr %t145, null
-  br i1 %t146, label %panic3043, label %ok3044
-panic3043:
-  call void @finch_panic(ptr @.str.1971, i64 1206, ptr @.str.1972)
+ok3228:
+  %t126 = getelementptr inbounds %S.gen.Gen, ptr %t124, i32 0, i32 10
+  %t127 = load i64, ptr %a87
+  %t128 = load { ptr, i64, i64 }, ptr %t126
+  %t129 = extractvalue { ptr, i64, i64 } %t128, 1
+  %t130 = icmp uge i64 %t127, %t129
+  br i1 %t130, label %range3229, label %inrange3230
+range3229:
+  call void @finch_panic_index(ptr @.str.2042, i64 1343, i64 %t127, i64 %t129)
   unreachable
-ok3044:
-  %t147 = getelementptr inbounds %S.gen.Gen, ptr %t145, i32 0, i32 26
-  %t148 = load i1, ptr %t147
-  br label %logic.from3045
-logic.from3045:
-  br i1 %t148, label %logic.rhs3046, label %logic.end3047
-logic.rhs3046:
-  %t149 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t149, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.1973, i64 3, i64 0 }, ptr %a151
-  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
-  %t153 = icmp eq i32 %t152, 0
-  br label %logic.rend3048
-logic.rend3048:
-  br label %logic.end3047
-logic.end3047:
-  %t154 = phi i1 [ false, %logic.from3045 ], [ %t153, %logic.rend3048 ]
-  br label %logic.from3049
-logic.from3049:
-  br i1 %t154, label %logic.rhs3050, label %logic.end3051
-logic.rhs3050:
-  %t155 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.1975, i64 1, i64 0 }, ptr %a158
-  %t159 = call i32 @finch_str_starts(ptr %a156, ptr %a158)
-  %t160 = icmp ne i32 %t159, 0
-  %t161 = xor i1 %t160, true
-  br label %logic.rend3052
-logic.rend3052:
-  br label %logic.end3051
-logic.end3051:
-  %t162 = phi i1 [ false, %logic.from3049 ], [ %t161, %logic.rend3052 ]
-  br i1 %t162, label %then3053, label %endif3055
-then3053:
-  %t163 = load ptr, ptr %a1
-  %t164 = icmp eq ptr %t163, null
-  br i1 %t164, label %panic3056, label %ok3057
-panic3056:
-  call void @finch_panic(ptr @.str.1976, i64 1207, ptr @.str.1977)
+inrange3230:
+  %t131 = extractvalue { ptr, i64, i64 } %t128, 0
+  %t132 = getelementptr inbounds %S.gen.Scope, ptr %t131, i64 %t127
+  %t133 = getelementptr inbounds %S.gen.Scope, ptr %t132, i32 0, i32 0
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_copy(ptr %a137, ptr %a136)
+  %t138 = load { ptr, i64, i64 }, ptr %a137
+  %t139 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } %t138, 0
+  %t140 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t140, ptr %a141
+  call void @finch.copy.S_ast_Type(ptr %a142, ptr %a141)
+  %t143 = load %S.ast.Type, ptr %a142
+  %t144 = insertvalue %S.gen.Var %t139, %S.ast.Type %t143, 1
+  %t145 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t145, ptr %a146
+  call void @finch_str_copy(ptr %a147, ptr %a146)
+  %t148 = load { ptr, i64, i64 }, ptr %a147
+  %t149 = insertvalue %S.gen.Var %t144, { ptr, i64, i64 } %t148, 2
+  %t150 = load i1, ptr %a6
+  %t151 = insertvalue %S.gen.Var %t149, i1 %t150, 3
+  %t152 = load ptr, ptr %a1
+  %t153 = icmp eq ptr %t152, null
+  br i1 %t153, label %panic3231, label %ok3232
+panic3231:
+  call void @finch_panic(ptr @.str.2043, i64 1343, ptr @.str.2044)
   unreachable
-ok3057:
-  %t165 = getelementptr inbounds %S.gen.Gen, ptr %t163, i32 0, i32 0
-  %t166 = load ptr, ptr %a1
-  %t167 = icmp eq ptr %t166, null
-  br i1 %t167, label %panic3058, label %ok3059
-panic3058:
-  call void @finch_panic(ptr @.str.1978, i64 1207, ptr @.str.1979)
+ok3232:
+  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 24
+  %t155 = load i64, ptr %t154
+  %t156 = insertvalue %S.gen.Var %t151, i64 %t155, 4
+  %t157 = load i1, ptr %a93
+  %t158 = insertvalue %S.gen.Var %t156, i1 %t157, 5
+  %t159 = load ptr, ptr %a1
+  %t160 = icmp eq ptr %t159, null
+  br i1 %t160, label %panic3233, label %ok3234
+panic3233:
+  call void @finch_panic(ptr @.str.2045, i64 1343, ptr @.str.2046)
   unreachable
-ok3059:
-  %t168 = getelementptr inbounds %S.gen.Gen, ptr %t166, i32 0, i32 12
-  %t169 = getelementptr inbounds %S.gen.FnSig, ptr %t168, i32 0, i32 16
-  %t170 = load i64, ptr %t169
-  %t171 = load { ptr, i64, i64 }, ptr %t165
-  %t172 = extractvalue { ptr, i64, i64 } %t171, 1
-  %t173 = icmp uge i64 %t170, %t172
-  br i1 %t173, label %range3060, label %inrange3061
-range3060:
-  call void @finch_panic_index(ptr @.str.1980, i64 1207, i64 %t170, i64 %t172)
+ok3234:
+  %t161 = getelementptr inbounds %S.gen.Gen, ptr %t159, i32 0, i32 1
+  %t162 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t163 = load i64, ptr %t162
+  %t164 = load { ptr, i64, i64 }, ptr %t161
+  %t165 = extractvalue { ptr, i64, i64 } %t164, 1
+  %t166 = icmp uge i64 %t163, %t165
+  br i1 %t166, label %range3235, label %inrange3236
+range3235:
+  call void @finch_panic_index(ptr @.str.2047, i64 1343, i64 %t163, i64 %t165)
   unreachable
-inrange3061:
-  %t174 = extractvalue { ptr, i64, i64 } %t171, 0
-  %t175 = getelementptr inbounds %S.ast.Program, ptr %t174, i64 %t170
-  %t176 = getelementptr inbounds %S.ast.Program, ptr %t175, i32 0, i32 8
-  %t177 = load ptr, ptr %a1
-  %t178 = icmp eq ptr %t177, null
-  br i1 %t178, label %panic3062, label %ok3063
-panic3062:
-  call void @finch_panic(ptr @.str.1981, i64 1207, ptr @.str.1982)
+inrange3236:
+  %t167 = extractvalue { ptr, i64, i64 } %t164, 0
+  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i64 %t163
+  %t169 = load { ptr, i64, i64 }, ptr %t168
+  store { ptr, i64, i64 } %t169, ptr %a170
+  call void @finch_str_copy(ptr %a171, ptr %a170)
+  %t172 = load { ptr, i64, i64 }, ptr %a171
+  %t173 = insertvalue %S.gen.Var %t158, { ptr, i64, i64 } %t172, 7
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t175 = load i64, ptr %t174
+  %t176 = insertvalue %S.gen.Var %t173, i64 %t175, 8
+  %t177 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t178 = load i64, ptr %t177
+  %t179 = insertvalue %S.gen.Var %t176, i64 %t178, 9
+  %t180 = load i64, ptr %t134
+  %t181 = add i64 %t180, 1
+  call void @finch_arr_reserve(ptr %t133, i64 %t181, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
+  %t182 = load ptr, ptr %t133
+  %t183 = getelementptr inbounds %S.gen.Var, ptr %t182, i64 %t180
+  store %S.gen.Var %t179, ptr %t183
+  store i64 %t181, ptr %t134
+  %t184 = load ptr, ptr %a1
+  %t185 = icmp eq ptr %t184, null
+  br i1 %t185, label %panic3237, label %ok3238
+panic3237:
+  call void @finch_panic(ptr @.str.2048, i64 1344, ptr @.str.2049)
   unreachable
-ok3063:
-  %t179 = getelementptr inbounds %S.gen.Gen, ptr %t177, i32 0, i32 12
-  %t180 = getelementptr inbounds %S.gen.FnSig, ptr %t179, i32 0, i32 17
-  %t181 = load i64, ptr %t180
-  %t182 = load { ptr, i64, i64 }, ptr %t176
-  %t183 = extractvalue { ptr, i64, i64 } %t182, 1
-  %t184 = icmp uge i64 %t181, %t183
-  br i1 %t184, label %range3064, label %inrange3065
-range3064:
-  call void @finch_panic_index(ptr @.str.1983, i64 1207, i64 %t181, i64 %t183)
+ok3238:
+  %t186 = getelementptr inbounds %S.gen.Gen, ptr %t184, i32 0, i32 24
+  %t187 = load i64, ptr %t186
+  %t188 = add i64 %t187, 1
+  store i64 %t188, ptr %t186
+  %t189 = load ptr, ptr %a1
+  %t190 = load %S.ast.Node, ptr %a2
+  %t191 = load { ptr, i64, i64 }, ptr %a3
+  %t192 = load %S.ast.Type, ptr %a4
+  %t193 = load { ptr, i64, i64 }, ptr %a73
+  call void @finch.gen.dbgVariable(ptr %t189, %S.ast.Node %t190, { ptr, i64, i64 } %t191, %S.ast.Type %t192, { ptr, i64, i64 } %t193)
+  %t194 = load ptr, ptr %a1
+  %t195 = icmp eq ptr %t194, null
+  br i1 %t195, label %panic3239, label %ok3240
+panic3239:
+  call void @finch_panic(ptr @.str.2050, i64 1346, ptr @.str.2051)
   unreachable
-inrange3065:
-  %t185 = extractvalue { ptr, i64, i64 } %t182, 0
-  %t186 = getelementptr inbounds %S.ast.Node, ptr %t185, i64 %t181
-  %t187 = load %S.ast.Node, ptr %t186
-  store %S.ast.Node %t187, ptr %a188
-  call void @finch.copy.S_ast_Node(ptr %a189, ptr %a188)
-  %t190 = load %S.ast.Node, ptr %a189
-  store %S.ast.Node %t190, ptr %a191
-  %t192 = load ptr, ptr %a1
-  %t193 = icmp eq ptr %t192, null
-  br i1 %t193, label %panic3066, label %ok3067
-panic3066:
-  call void @finch_panic(ptr @.str.1984, i64 1208, ptr @.str.1985)
+ok3240:
+  %t196 = getelementptr inbounds %S.gen.Gen, ptr %t194, i32 0, i32 27
+  %t197 = load i1, ptr %t196
+  br label %logic.from3241
+logic.from3241:
+  br i1 %t197, label %logic.rhs3242, label %logic.end3243
+logic.rhs3242:
+  %t198 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t198, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.2052, i64 3, i64 0 }, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp eq i32 %t201, 0
+  br label %logic.rend3244
+logic.rend3244:
+  br label %logic.end3243
+logic.end3243:
+  %t203 = phi i1 [ false, %logic.from3241 ], [ %t202, %logic.rend3244 ]
+  br label %logic.from3245
+logic.from3245:
+  br i1 %t203, label %logic.rhs3246, label %logic.end3247
+logic.rhs3246:
+  %t204 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t204, ptr %a205
+  store { ptr, i64, i64 } { ptr @.str.2054, i64 1, i64 0 }, ptr %a207
+  %t208 = call i32 @finch_str_starts(ptr %a205, ptr %a207)
+  %t209 = icmp ne i32 %t208, 0
+  %t210 = xor i1 %t209, true
+  br label %logic.rend3248
+logic.rend3248:
+  br label %logic.end3247
+logic.end3247:
+  %t211 = phi i1 [ false, %logic.from3245 ], [ %t210, %logic.rend3248 ]
+  br i1 %t211, label %then3249, label %endif3251
+then3249:
+  %t212 = load ptr, ptr %a1
+  %t213 = icmp eq ptr %t212, null
+  br i1 %t213, label %panic3252, label %ok3253
+panic3252:
+  call void @finch_panic(ptr @.str.2055, i64 1347, ptr @.str.2056)
   unreachable
-ok3067:
-  %t194 = getelementptr inbounds %S.gen.Gen, ptr %t192, i32 0, i32 27
-  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
-  %t196 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1986, i64 3, i64 0 }, ptr %a198
-  store { ptr, i64, i64 } %t196, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  store { ptr, i64, i64 } %t200, ptr %a202
-  store { ptr, i64, i64 } { ptr @.str.1987, i64 1, i64 0 }, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  %t205 = load %S.ast.Type, ptr %a4
-  %t206 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t205)
-  store { ptr, i64, i64 } %t204, ptr %a208
-  store { ptr, i64, i64 } %t206, ptr %a209
-  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  store { ptr, i64, i64 } %t210, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.1988, i64 1, i64 0 }, ptr %a213
-  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
-  %t214 = load { ptr, i64, i64 }, ptr %a211
+ok3253:
+  %t214 = getelementptr inbounds %S.gen.Gen, ptr %t212, i32 0, i32 0
   %t215 = load ptr, ptr %a1
   %t216 = icmp eq ptr %t215, null
-  br i1 %t216, label %panic3068, label %ok3069
-panic3068:
-  call void @finch_panic(ptr @.str.1989, i64 1208, ptr @.str.1990)
+  br i1 %t216, label %panic3254, label %ok3255
+panic3254:
+  call void @finch_panic(ptr @.str.2057, i64 1347, ptr @.str.2058)
   unreachable
-ok3069:
-  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 1
-  %t218 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+ok3255:
+  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 13
+  %t218 = getelementptr inbounds %S.gen.FnSig, ptr %t217, i32 0, i32 16
   %t219 = load i64, ptr %t218
-  %t220 = load { ptr, i64, i64 }, ptr %t217
+  %t220 = load { ptr, i64, i64 }, ptr %t214
   %t221 = extractvalue { ptr, i64, i64 } %t220, 1
   %t222 = icmp uge i64 %t219, %t221
-  br i1 %t222, label %range3070, label %inrange3071
-range3070:
-  call void @finch_panic_index(ptr @.str.1991, i64 1208, i64 %t219, i64 %t221)
+  br i1 %t222, label %range3256, label %inrange3257
+range3256:
+  call void @finch_panic_index(ptr @.str.2059, i64 1347, i64 %t219, i64 %t221)
   unreachable
-inrange3071:
+inrange3257:
   %t223 = extractvalue { ptr, i64, i64 } %t220, 0
-  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i64 %t219
-  %t225 = load { ptr, i64, i64 }, ptr %t224
-  store { ptr, i64, i64 } %t214, ptr %a227
-  store { ptr, i64, i64 } %t225, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  store { ptr, i64, i64 } %t229, ptr %a231
-  store { ptr, i64, i64 } { ptr @.str.1992, i64 1, i64 0 }, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  %t234 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t235 = load i64, ptr %t234
-  call void @finch_str_from_int(ptr %a236, i64 %t235)
-  %t237 = load { ptr, i64, i64 }, ptr %a236
-  store { ptr, i64, i64 } %t233, ptr %a239
-  store { ptr, i64, i64 } %t237, ptr %a240
-  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
-  %t241 = load { ptr, i64, i64 }, ptr %a238
-  store { ptr, i64, i64 } %t241, ptr %a243
-  store { ptr, i64, i64 } { ptr @.str.1993, i64 1, i64 0 }, ptr %a244
-  call void @finch_str_concat(ptr %a242, ptr %a243, ptr %a244)
-  %t245 = load { ptr, i64, i64 }, ptr %a242
-  %t246 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t247 = load i64, ptr %t246
-  call void @finch_str_from_int(ptr %a248, i64 %t247)
-  %t249 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t245, ptr %a251
-  store { ptr, i64, i64 } %t249, ptr %a252
+  %t224 = getelementptr inbounds %S.ast.Program, ptr %t223, i64 %t219
+  %t225 = getelementptr inbounds %S.ast.Program, ptr %t224, i32 0, i32 8
+  %t226 = load ptr, ptr %a1
+  %t227 = icmp eq ptr %t226, null
+  br i1 %t227, label %panic3258, label %ok3259
+panic3258:
+  call void @finch_panic(ptr @.str.2060, i64 1347, ptr @.str.2061)
+  unreachable
+ok3259:
+  %t228 = getelementptr inbounds %S.gen.Gen, ptr %t226, i32 0, i32 13
+  %t229 = getelementptr inbounds %S.gen.FnSig, ptr %t228, i32 0, i32 17
+  %t230 = load i64, ptr %t229
+  %t231 = load { ptr, i64, i64 }, ptr %t225
+  %t232 = extractvalue { ptr, i64, i64 } %t231, 1
+  %t233 = icmp uge i64 %t230, %t232
+  br i1 %t233, label %range3260, label %inrange3261
+range3260:
+  call void @finch_panic_index(ptr @.str.2062, i64 1347, i64 %t230, i64 %t232)
+  unreachable
+inrange3261:
+  %t234 = extractvalue { ptr, i64, i64 } %t231, 0
+  %t235 = getelementptr inbounds %S.ast.Node, ptr %t234, i64 %t230
+  %t236 = load %S.ast.Node, ptr %t235
+  store %S.ast.Node %t236, ptr %a237
+  call void @finch.copy.S_ast_Node(ptr %a238, ptr %a237)
+  %t239 = load %S.ast.Node, ptr %a238
+  store %S.ast.Node %t239, ptr %a240
+  %t241 = load ptr, ptr %a1
+  %t242 = icmp eq ptr %t241, null
+  br i1 %t242, label %panic3262, label %ok3263
+panic3262:
+  call void @finch_panic(ptr @.str.2063, i64 1348, ptr @.str.2064)
+  unreachable
+ok3263:
+  %t243 = getelementptr inbounds %S.gen.Gen, ptr %t241, i32 0, i32 28
+  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
+  %t245 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2065, i64 3, i64 0 }, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  %t249 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t249, ptr %a251
+  store { ptr, i64, i64 } { ptr @.str.2066, i64 1, i64 0 }, ptr %a252
   call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
-  %t253 = load { ptr, i64, i64 }, ptr %a250
-  store { ptr, i64, i64 } %t253, ptr %a255
-  store { ptr, i64, i64 } { ptr @.str.1994, i64 1, i64 0 }, ptr %a256
-  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
-  %t257 = load { ptr, i64, i64 }, ptr %a254
-  %t258 = load ptr, ptr %a1
-  %t259 = icmp eq ptr %t258, null
-  br i1 %t259, label %panic3072, label %ok3073
-panic3072:
-  call void @finch_panic(ptr @.str.1995, i64 1208, ptr @.str.1996)
+  store { ptr, i64, i64 } %t249, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a250
+  %t255 = load %S.ast.Type, ptr %a4
+  %t256 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t255)
+  store { ptr, i64, i64 } %t254, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t254, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } %t262, ptr %a264
+  store { ptr, i64, i64 } { ptr @.str.2067, i64 1, i64 0 }, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  store { ptr, i64, i64 } %t262, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  %t268 = load ptr, ptr %a1
+  %t269 = icmp eq ptr %t268, null
+  br i1 %t269, label %panic3264, label %ok3265
+panic3264:
+  call void @finch_panic(ptr @.str.2068, i64 1348, ptr @.str.2069)
   unreachable
-ok3073:
-  %t260 = getelementptr inbounds %S.gen.Gen, ptr %t258, i32 0, i32 1
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a191, i32 0, i32 13
-  %t262 = load i64, ptr %t261
-  %t263 = load { ptr, i64, i64 }, ptr %t260
-  %t264 = extractvalue { ptr, i64, i64 } %t263, 1
-  %t265 = icmp uge i64 %t262, %t264
-  br i1 %t265, label %range3074, label %inrange3075
-range3074:
-  call void @finch_panic_index(ptr @.str.1997, i64 1208, i64 %t262, i64 %t264)
+ok3265:
+  %t270 = getelementptr inbounds %S.gen.Gen, ptr %t268, i32 0, i32 1
+  %t271 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t272 = load i64, ptr %t271
+  %t273 = load { ptr, i64, i64 }, ptr %t270
+  %t274 = extractvalue { ptr, i64, i64 } %t273, 1
+  %t275 = icmp uge i64 %t272, %t274
+  br i1 %t275, label %range3266, label %inrange3267
+range3266:
+  call void @finch_panic_index(ptr @.str.2070, i64 1348, i64 %t272, i64 %t274)
   unreachable
-inrange3075:
-  %t266 = extractvalue { ptr, i64, i64 } %t263, 0
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t266, i64 %t262
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  store { ptr, i64, i64 } %t257, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } %t272, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.1998, i64 1, i64 0 }, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  %t277 = getelementptr inbounds %S.ast.Node, ptr %a191, i32 0, i32 11
-  %t278 = load i64, ptr %t277
-  call void @finch_str_from_int(ptr %a279, i64 %t278)
-  %t280 = load { ptr, i64, i64 }, ptr %a279
-  store { ptr, i64, i64 } %t276, ptr %a282
-  store { ptr, i64, i64 } %t280, ptr %a283
-  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
-  %t284 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t284, ptr %a286
-  store { ptr, i64, i64 } { ptr @.str.1999, i64 1, i64 0 }, ptr %a287
-  call void @finch_str_concat(ptr %a285, ptr %a286, ptr %a287)
-  %t288 = load { ptr, i64, i64 }, ptr %a285
-  %t289 = getelementptr inbounds %S.ast.Node, ptr %a191, i32 0, i32 14
+inrange3267:
+  %t276 = extractvalue { ptr, i64, i64 } %t273, 0
+  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %t276, i64 %t272
+  %t278 = load { ptr, i64, i64 }, ptr %t277
+  store { ptr, i64, i64 } %t267, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t267, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.2071, i64 1, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
   %t290 = load i64, ptr %t289
   call void @finch_str_from_int(ptr %a291, i64 %t290)
   %t292 = load { ptr, i64, i64 }, ptr %a291
   store { ptr, i64, i64 } %t288, ptr %a294
   store { ptr, i64, i64 } %t292, ptr %a295
   call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
-  %t296 = load { ptr, i64, i64 }, ptr %a293
-  %t297 = load i64, ptr %t195
-  %t298 = add i64 %t297, 1
-  call void @finch_arr_reserve(ptr %t194, i64 %t298, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t299 = load ptr, ptr %t194
-  %t300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t299, i64 %t297
-  store { ptr, i64, i64 } %t296, ptr %t300
-  store i64 %t298, ptr %t195
-  %t301 = load ptr, ptr %a1
-  %t302 = load %S.ast.Node, ptr %a2
-  %t303 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t304 = load i64, ptr %t303
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t306 = load i64, ptr %t305
-  %t307 = load %S.ast.Type, ptr %a4
-  %t308 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t307)
-  store { ptr, i64, i64 } { ptr @.str.2000, i64 9, i64 0 }, ptr %a310
-  store { ptr, i64, i64 } %t308, ptr %a311
-  call void @finch_str_concat(ptr %a309, ptr %a310, ptr %a311)
-  %t312 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } %t312, ptr %a314
-  store { ptr, i64, i64 } { ptr @.str.2001, i64 1, i64 0 }, ptr %a315
-  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  %t317 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t316, ptr %a319
-  store { ptr, i64, i64 } %t317, ptr %a320
-  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
-  %t321 = load { ptr, i64, i64 }, ptr %a318
-  store { ptr, i64, i64 } %t321, ptr %a323
-  store { ptr, i64, i64 } { ptr @.str.2002, i64 4, i64 0 }, ptr %a324
-  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
-  %t325 = load { ptr, i64, i64 }, ptr %a322
-  call void @finch.gen.noteRef(ptr %t301, %S.ast.Node %t302, i64 %t304, i64 %t306, { ptr, i64, i64 } %t325, { ptr, i64, i64 } { ptr @.str.2003, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif3055
-endif3055:
-  %t326 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t326, ptr %a327
-  call void @finch_str_copy(ptr %a328, ptr %a327)
-  %t329 = load { ptr, i64, i64 }, ptr %a328
-  ret { ptr, i64, i64 } %t329
+  store { ptr, i64, i64 } %t288, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  store { ptr, i64, i64 } %t292, ptr %a297
+  call void @finch_str_drop(ptr %a297)
+  %t298 = load { ptr, i64, i64 }, ptr %a293
+  store { ptr, i64, i64 } %t298, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.2072, i64 1, i64 0 }, ptr %a301
+  call void @finch_str_concat(ptr %a299, ptr %a300, ptr %a301)
+  store { ptr, i64, i64 } %t298, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  %t303 = load { ptr, i64, i64 }, ptr %a299
+  %t304 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t305 = load i64, ptr %t304
+  call void @finch_str_from_int(ptr %a306, i64 %t305)
+  %t307 = load { ptr, i64, i64 }, ptr %a306
+  store { ptr, i64, i64 } %t303, ptr %a309
+  store { ptr, i64, i64 } %t307, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t303, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  store { ptr, i64, i64 } %t307, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  %t313 = load { ptr, i64, i64 }, ptr %a308
+  store { ptr, i64, i64 } %t313, ptr %a315
+  store { ptr, i64, i64 } { ptr @.str.2073, i64 1, i64 0 }, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t313, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a314
+  %t319 = load ptr, ptr %a1
+  %t320 = icmp eq ptr %t319, null
+  br i1 %t320, label %panic3268, label %ok3269
+panic3268:
+  call void @finch_panic(ptr @.str.2074, i64 1348, ptr @.str.2075)
+  unreachable
+ok3269:
+  %t321 = getelementptr inbounds %S.gen.Gen, ptr %t319, i32 0, i32 1
+  %t322 = getelementptr inbounds %S.ast.Node, ptr %a240, i32 0, i32 13
+  %t323 = load i64, ptr %t322
+  %t324 = load { ptr, i64, i64 }, ptr %t321
+  %t325 = extractvalue { ptr, i64, i64 } %t324, 1
+  %t326 = icmp uge i64 %t323, %t325
+  br i1 %t326, label %range3270, label %inrange3271
+range3270:
+  call void @finch_panic_index(ptr @.str.2076, i64 1348, i64 %t323, i64 %t325)
+  unreachable
+inrange3271:
+  %t327 = extractvalue { ptr, i64, i64 } %t324, 0
+  %t328 = getelementptr inbounds { ptr, i64, i64 }, ptr %t327, i64 %t323
+  %t329 = load { ptr, i64, i64 }, ptr %t328
+  store { ptr, i64, i64 } %t318, ptr %a331
+  store { ptr, i64, i64 } %t329, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  store { ptr, i64, i64 } %t318, ptr %a333
+  call void @finch_str_drop(ptr %a333)
+  %t334 = load { ptr, i64, i64 }, ptr %a330
+  store { ptr, i64, i64 } %t334, ptr %a336
+  store { ptr, i64, i64 } { ptr @.str.2077, i64 1, i64 0 }, ptr %a337
+  call void @finch_str_concat(ptr %a335, ptr %a336, ptr %a337)
+  store { ptr, i64, i64 } %t334, ptr %a338
+  call void @finch_str_drop(ptr %a338)
+  %t339 = load { ptr, i64, i64 }, ptr %a335
+  %t340 = getelementptr inbounds %S.ast.Node, ptr %a240, i32 0, i32 11
+  %t341 = load i64, ptr %t340
+  call void @finch_str_from_int(ptr %a342, i64 %t341)
+  %t343 = load { ptr, i64, i64 }, ptr %a342
+  store { ptr, i64, i64 } %t339, ptr %a345
+  store { ptr, i64, i64 } %t343, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t339, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  store { ptr, i64, i64 } %t343, ptr %a348
+  call void @finch_str_drop(ptr %a348)
+  %t349 = load { ptr, i64, i64 }, ptr %a344
+  store { ptr, i64, i64 } %t349, ptr %a351
+  store { ptr, i64, i64 } { ptr @.str.2078, i64 1, i64 0 }, ptr %a352
+  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
+  store { ptr, i64, i64 } %t349, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  %t354 = load { ptr, i64, i64 }, ptr %a350
+  %t355 = getelementptr inbounds %S.ast.Node, ptr %a240, i32 0, i32 14
+  %t356 = load i64, ptr %t355
+  call void @finch_str_from_int(ptr %a357, i64 %t356)
+  %t358 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t354, ptr %a360
+  store { ptr, i64, i64 } %t358, ptr %a361
+  call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
+  store { ptr, i64, i64 } %t354, ptr %a362
+  call void @finch_str_drop(ptr %a362)
+  store { ptr, i64, i64 } %t358, ptr %a363
+  call void @finch_str_drop(ptr %a363)
+  %t364 = load { ptr, i64, i64 }, ptr %a359
+  %t365 = load i64, ptr %t244
+  %t366 = add i64 %t365, 1
+  call void @finch_arr_reserve(ptr %t243, i64 %t366, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t367 = load ptr, ptr %t243
+  %t368 = getelementptr inbounds { ptr, i64, i64 }, ptr %t367, i64 %t365
+  store { ptr, i64, i64 } %t364, ptr %t368
+  store i64 %t366, ptr %t244
+  %t369 = load ptr, ptr %a1
+  %t370 = load %S.ast.Node, ptr %a2
+  %t371 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t372 = load i64, ptr %t371
+  %t373 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t374 = load i64, ptr %t373
+  %t375 = load %S.ast.Type, ptr %a4
+  %t376 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t375)
+  store { ptr, i64, i64 } { ptr @.str.2079, i64 9, i64 0 }, ptr %a378
+  store { ptr, i64, i64 } %t376, ptr %a379
+  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
+  store { ptr, i64, i64 } %t376, ptr %a380
+  call void @finch_str_drop(ptr %a380)
+  %t381 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t381, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.2080, i64 1, i64 0 }, ptr %a384
+  call void @finch_str_concat(ptr %a382, ptr %a383, ptr %a384)
+  store { ptr, i64, i64 } %t381, ptr %a385
+  call void @finch_str_drop(ptr %a385)
+  %t386 = load { ptr, i64, i64 }, ptr %a382
+  %t387 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t386, ptr %a389
+  store { ptr, i64, i64 } %t387, ptr %a390
+  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t386, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = load { ptr, i64, i64 }, ptr %a388
+  store { ptr, i64, i64 } %t392, ptr %a394
+  store { ptr, i64, i64 } { ptr @.str.2081, i64 4, i64 0 }, ptr %a395
+  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
+  store { ptr, i64, i64 } %t392, ptr %a396
+  call void @finch_str_drop(ptr %a396)
+  %t397 = load { ptr, i64, i64 }, ptr %a393
+  call void @finch.gen.noteRef(ptr %t369, %S.ast.Node %t370, i64 %t372, i64 %t374, { ptr, i64, i64 } %t397, { ptr, i64, i64 } { ptr @.str.2082, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t397, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  call void @finch.drop.S_ast_Node(ptr %a240)
+  br label %endif3251
+endif3251:
+  %t399 = load { ptr, i64, i64 }, ptr %a73
+  ret { ptr, i64, i64 } %t399
 }
 
 define internal void @finch.gen.pushScope(ptr %p0) {
@@ -30812,11 +36224,11 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3076, label %ok3077
-panic3076:
-  call void @finch_panic(ptr @.str.2004, i64 1215, ptr @.str.2005)
+  br i1 %t3, label %panic3272, label %ok3273
+panic3272:
+  call void @finch_panic(ptr @.str.2083, i64 1355, ptr @.str.2084)
   unreachable
-ok3077:
+ok3273:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 10
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
   %t6 = load i64, ptr %t5
@@ -30829,240 +36241,413 @@ ok3077:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Var(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Var(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond3285
+n.cond3285:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body3286, label %n.end3287
+n.body3286:
+  %t7 = getelementptr inbounds %S.gen.Var, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Var(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond3285
+n.end3287:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Cleanup(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Scope(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_gen_Var(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_ast_Node(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_int(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_S_gen_Cleanup(ptr %t4)
+  ret void
+}
+
 define internal void @finch.gen.popScope(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
+  %a24 = alloca %S.gen.Scope, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3078, label %ok3079
-panic3078:
-  call void @finch_panic(ptr @.str.2006, i64 1219, ptr @.str.2007)
+  br i1 %t3, label %panic3274, label %ok3275
+panic3274:
+  call void @finch_panic(ptr @.str.2085, i64 1361, ptr @.str.2086)
   unreachable
-ok3079:
-  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 10
-  %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
-  %t6 = load i64, ptr %t5
-  %t7 = icmp eq i64 %t6, 0
-  br i1 %t7, label %panic3080, label %ok3081
-panic3080:
-  call void @finch_panic(ptr @.str.2008, i64 1219, ptr @.str.2009)
+ok3275:
+  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 9
+  %t5 = load i1, ptr %t4
+  %t6 = xor i1 %t5, true
+  br i1 %t6, label %then3276, label %endif3278
+then3276:
+  %t7 = load ptr, ptr %a1
+  %t8 = load ptr, ptr %a1
+  %t9 = icmp eq ptr %t8, null
+  br i1 %t9, label %panic3279, label %ok3280
+panic3279:
+  call void @finch_panic(ptr @.str.2087, i64 1362, ptr @.str.2088)
   unreachable
-ok3081:
-  %t8 = sub i64 %t6, 1
-  %t9 = load ptr, ptr %t4
-  %t10 = getelementptr inbounds %S.gen.Scope, ptr %t9, i64 %t8
-  %t11 = load %S.gen.Scope, ptr %t10
-  store i64 %t8, ptr %t5
+ok3280:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
+  %t12 = load i64, ptr %t11
+  %t13 = sub i64 %t12, 1
+  call void @finch.gen.runCleanups(ptr %t7, i64 %t13)
+  br label %endif3278
+endif3278:
+  %t14 = load ptr, ptr %a1
+  %t15 = icmp eq ptr %t14, null
+  br i1 %t15, label %panic3281, label %ok3282
+panic3281:
+  call void @finch_panic(ptr @.str.2089, i64 1364, ptr @.str.2090)
+  unreachable
+ok3282:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 10
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  %t19 = icmp eq i64 %t18, 0
+  br i1 %t19, label %panic3283, label %ok3284
+panic3283:
+  call void @finch_panic(ptr @.str.2091, i64 1364, ptr @.str.2092)
+  unreachable
+ok3284:
+  %t20 = sub i64 %t18, 1
+  %t21 = load ptr, ptr %t16
+  %t22 = getelementptr inbounds %S.gen.Scope, ptr %t21, i64 %t20
+  %t23 = load %S.gen.Scope, ptr %t22
+  store i64 %t20, ptr %t17
+  store %S.gen.Scope %t23, ptr %a24
+  call void @finch.drop.S_gen_Scope(ptr %a24)
   ret void
 }
 
-define internal void @finch.copy.arr_S_gen_Var(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond3086
-n.cond3086:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body3087, label %n.end3088
-n.body3087:
-  %t8 = getelementptr inbounds %S.gen.Var, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.gen.Var, ptr %t2, i64 %t6
-  call void @finch.copy.S_gen_Var(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond3086
-n.end3088:
-  ret void
-}
-
-define internal void @finch.copy.S_gen_Scope(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Scope, ptr %src
-  store %S.gen.Scope %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 0
-  call void @finch.copy.arr_S_gen_Var(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_S_ast_Node(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 2
-  call void @finch.copy.arr_int(ptr %t6, ptr %t7)
-  ret void
-}
-
-define internal void @finch.gen.runDefers(ptr %p0, i64 %p1) {
+define internal void @finch.gen.runCleanups(ptr %p0, i64 %p1) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca i64, align 16
-  %a13 = alloca %S.gen.Scope, align 16
-  %a14 = alloca %S.gen.Scope, align 16
-  %a16 = alloca %S.gen.Scope, align 16
-  %a20 = alloca i64, align 16
-  %a29 = alloca i1, align 16
-  %a34 = alloca i64, align 16
+  %a15 = alloca i64, align 16
+  %a37 = alloca %S.gen.Cleanup, align 16
+  %a59 = alloca %S.gen.Var, align 16
+  %a60 = alloca %S.gen.Var, align 16
+  %a62 = alloca %S.gen.Var, align 16
+  %a75 = alloca i1, align 16
+  %a80 = alloca i64, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3082, label %ok3083
-panic3082:
-  call void @finch_panic(ptr @.str.2010, i64 1224, ptr @.str.2011)
+  br i1 %t4, label %panic3288, label %ok3289
+panic3288:
+  call void @finch_panic(ptr @.str.2093, i64 1369, ptr @.str.2094)
   unreachable
-ok3083:
+ok3289:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = load i64, ptr %a2
   %t7 = load { ptr, i64, i64 }, ptr %t5
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 %t6, %t8
-  br i1 %t9, label %range3084, label %inrange3085
-range3084:
-  call void @finch_panic_index(ptr @.str.2012, i64 1224, i64 %t6, i64 %t8)
+  br i1 %t9, label %range3290, label %inrange3291
+range3290:
+  call void @finch_panic_index(ptr @.str.2095, i64 1369, i64 %t6, i64 %t8)
   unreachable
-inrange3085:
+inrange3291:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.gen.Scope, ptr %t10, i64 %t6
-  %t12 = load %S.gen.Scope, ptr %t11
-  store %S.gen.Scope %t12, ptr %a13
-  call void @finch.copy.S_gen_Scope(ptr %a14, ptr %a13)
-  %t15 = load %S.gen.Scope, ptr %a14
-  store %S.gen.Scope %t15, ptr %a16
-  %t17 = getelementptr inbounds %S.gen.Scope, ptr %a16, i32 0, i32 1
-  %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
-  %t19 = load i64, ptr %t18
-  store i64 %t19, ptr %a20
-  br label %while.cond3089
-while.cond3089:
-  %t21 = load i64, ptr %a20
-  %t22 = icmp sgt i64 %t21, 0
-  br i1 %t22, label %while.body3090, label %while.end3091
-while.body3090:
-  %t23 = load i64, ptr %a20
-  %t24 = sub i64 %t23, 1
-  store i64 %t24, ptr %a20
-  %t25 = load ptr, ptr %a1
-  %t26 = icmp eq ptr %t25, null
-  br i1 %t26, label %panic3092, label %ok3093
-panic3092:
-  call void @finch_panic(ptr @.str.2013, i64 1228, ptr @.str.2014)
+  %t12 = getelementptr inbounds %S.gen.Scope, ptr %t11, i32 0, i32 3
+  %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
+  %t14 = load i64, ptr %t13
+  store i64 %t14, ptr %a15
+  br label %while.cond3292
+while.cond3292:
+  %t16 = load i64, ptr %a15
+  %t17 = icmp sgt i64 %t16, 0
+  br i1 %t17, label %while.body3293, label %while.end3294
+while.body3293:
+  %t18 = load i64, ptr %a15
+  %t19 = sub i64 %t18, 1
+  store i64 %t19, ptr %a15
+  %t20 = load ptr, ptr %a1
+  %t21 = icmp eq ptr %t20, null
+  br i1 %t21, label %panic3295, label %ok3296
+panic3295:
+  call void @finch_panic(ptr @.str.2096, i64 1372, ptr @.str.2097)
   unreachable
-ok3093:
-  %t27 = getelementptr inbounds %S.gen.Gen, ptr %t25, i32 0, i32 42
-  %t28 = load i1, ptr %t27
-  store i1 %t28, ptr %a29
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic3094, label %ok3095
-panic3094:
-  call void @finch_panic(ptr @.str.2015, i64 1229, ptr @.str.2016)
+ok3296:
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 10
+  %t23 = load i64, ptr %a2
+  %t24 = load { ptr, i64, i64 }, ptr %t22
+  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
+  %t26 = icmp uge i64 %t23, %t25
+  br i1 %t26, label %range3297, label %inrange3298
+range3297:
+  call void @finch_panic_index(ptr @.str.2098, i64 1372, i64 %t23, i64 %t25)
   unreachable
-ok3095:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 43
-  %t33 = load i64, ptr %t32
-  store i64 %t33, ptr %a34
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic3096, label %ok3097
-panic3096:
-  call void @finch_panic(ptr @.str.2017, i64 1230, ptr @.str.2018)
+inrange3298:
+  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
+  %t28 = getelementptr inbounds %S.gen.Scope, ptr %t27, i64 %t23
+  %t29 = getelementptr inbounds %S.gen.Scope, ptr %t28, i32 0, i32 3
+  %t30 = load i64, ptr %a15
+  %t31 = load { ptr, i64, i64 }, ptr %t29
+  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
+  %t33 = icmp uge i64 %t30, %t32
+  br i1 %t33, label %range3299, label %inrange3300
+range3299:
+  call void @finch_panic_index(ptr @.str.2099, i64 1372, i64 %t30, i64 %t32)
   unreachable
-ok3097:
-  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 42
-  store i1 true, ptr %t37
-  %t38 = getelementptr inbounds %S.gen.Scope, ptr %a16, i32 0, i32 2
-  %t39 = load i64, ptr %a20
-  %t40 = load { ptr, i64, i64 }, ptr %t38
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = icmp uge i64 %t39, %t41
-  br i1 %t42, label %range3098, label %inrange3099
-range3098:
-  call void @finch_panic_index(ptr @.str.2019, i64 1231, i64 %t39, i64 %t41)
+inrange3300:
+  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
+  %t35 = getelementptr inbounds %S.gen.Cleanup, ptr %t34, i64 %t30
+  %t36 = load %S.gen.Cleanup, ptr %t35
+  store %S.gen.Cleanup %t36, ptr %a37
+  %t38 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 0
+  %t39 = load i1, ptr %t38
+  %t40 = xor i1 %t39, true
+  br i1 %t40, label %then3301, label %endif3303
+then3301:
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic3304, label %ok3305
+panic3304:
+  call void @finch_panic(ptr @.str.2100, i64 1374, ptr @.str.2101)
   unreachable
-inrange3099:
-  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
-  %t44 = getelementptr inbounds i64, ptr %t43, i64 %t39
-  %t45 = load i64, ptr %t44
-  %t46 = load ptr, ptr %a1
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic3100, label %ok3101
-panic3100:
-  call void @finch_panic(ptr @.str.2020, i64 1231, ptr @.str.2021)
+ok3305:
+  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 10
+  %t44 = load i64, ptr %a2
+  %t45 = load { ptr, i64, i64 }, ptr %t43
+  %t46 = extractvalue { ptr, i64, i64 } %t45, 1
+  %t47 = icmp uge i64 %t44, %t46
+  br i1 %t47, label %range3306, label %inrange3307
+range3306:
+  call void @finch_panic_index(ptr @.str.2102, i64 1374, i64 %t44, i64 %t46)
   unreachable
-ok3101:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 43
-  store i64 %t45, ptr %t48
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic3102, label %ok3103
-panic3102:
-  call void @finch_panic(ptr @.str.2022, i64 1232, ptr @.str.2023)
-  unreachable
-ok3103:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 44
+inrange3307:
+  %t48 = extractvalue { ptr, i64, i64 } %t45, 0
+  %t49 = getelementptr inbounds %S.gen.Scope, ptr %t48, i64 %t44
+  %t50 = getelementptr inbounds %S.gen.Scope, ptr %t49, i32 0, i32 0
+  %t51 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 1
   %t52 = load i64, ptr %t51
-  %t53 = add i64 %t52, 1
-  store i64 %t53, ptr %t51
-  %t54 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t54)
-  %t55 = load ptr, ptr %a1
-  %t56 = getelementptr inbounds %S.gen.Scope, ptr %a16, i32 0, i32 1
-  %t57 = load i64, ptr %a20
-  %t58 = load { ptr, i64, i64 }, ptr %t56
-  %t59 = extractvalue { ptr, i64, i64 } %t58, 1
-  %t60 = icmp uge i64 %t57, %t59
-  br i1 %t60, label %range3104, label %inrange3105
-range3104:
-  call void @finch_panic_index(ptr @.str.2024, i64 1234, i64 %t57, i64 %t59)
+  %t53 = load { ptr, i64, i64 }, ptr %t50
+  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
+  %t55 = icmp uge i64 %t52, %t54
+  br i1 %t55, label %range3308, label %inrange3309
+range3308:
+  call void @finch_panic_index(ptr @.str.2103, i64 1374, i64 %t52, i64 %t54)
   unreachable
-inrange3105:
-  %t61 = extractvalue { ptr, i64, i64 } %t58, 0
-  %t62 = getelementptr inbounds %S.ast.Node, ptr %t61, i64 %t57
-  %t63 = load %S.ast.Node, ptr %t62
-  call void @finch.gen.stmt(ptr %t55, %S.ast.Node %t63)
-  %t64 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t64)
-  %t65 = load ptr, ptr %a1
-  %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic3106, label %ok3107
-panic3106:
-  call void @finch_panic(ptr @.str.2025, i64 1236, ptr @.str.2026)
-  unreachable
-ok3107:
-  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 44
-  %t68 = load i64, ptr %t67
-  %t69 = sub i64 %t68, 1
-  store i64 %t69, ptr %t67
-  %t70 = load i1, ptr %a29
+inrange3309:
+  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
+  %t57 = getelementptr inbounds %S.gen.Var, ptr %t56, i64 %t52
+  %t58 = load %S.gen.Var, ptr %t57
+  store %S.gen.Var %t58, ptr %a59
+  call void @finch.copy.S_gen_Var(ptr %a60, ptr %a59)
+  %t61 = load %S.gen.Var, ptr %a60
+  store %S.gen.Var %t61, ptr %a62
+  %t63 = getelementptr inbounds %S.gen.Var, ptr %a62, i32 0, i32 6
+  %t64 = load i1, ptr %t63
+  %t65 = xor i1 %t64, true
+  br i1 %t65, label %then3310, label %endif3312
+then3310:
+  %t66 = load ptr, ptr %a1
+  %t67 = getelementptr inbounds %S.gen.Var, ptr %a62, i32 0, i32 2
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  %t69 = getelementptr inbounds %S.gen.Var, ptr %a62, i32 0, i32 1
+  %t70 = load %S.ast.Type, ptr %t69
+  call void @finch.gen.dropAt(ptr %t66, { ptr, i64, i64 } %t68, %S.ast.Type %t70)
+  br label %endif3312
+endif3312:
+  call void @finch.drop.S_gen_Var(ptr %a62)
+  br label %while.cond3292
+endif3303:
   %t71 = load ptr, ptr %a1
   %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic3108, label %ok3109
-panic3108:
-  call void @finch_panic(ptr @.str.2027, i64 1237, ptr @.str.2028)
+  br i1 %t72, label %panic3313, label %ok3314
+panic3313:
+  call void @finch_panic(ptr @.str.2104, i64 1380, ptr @.str.2105)
   unreachable
-ok3109:
-  %t73 = getelementptr inbounds %S.gen.Gen, ptr %t71, i32 0, i32 42
-  store i1 %t70, ptr %t73
-  %t74 = load i64, ptr %a34
-  %t75 = load ptr, ptr %a1
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic3110, label %ok3111
-panic3110:
-  call void @finch_panic(ptr @.str.2029, i64 1238, ptr @.str.2030)
+ok3314:
+  %t73 = getelementptr inbounds %S.gen.Gen, ptr %t71, i32 0, i32 43
+  %t74 = load i1, ptr %t73
+  store i1 %t74, ptr %a75
+  %t76 = load ptr, ptr %a1
+  %t77 = icmp eq ptr %t76, null
+  br i1 %t77, label %panic3315, label %ok3316
+panic3315:
+  call void @finch_panic(ptr @.str.2106, i64 1381, ptr @.str.2107)
   unreachable
-ok3111:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 43
-  store i64 %t74, ptr %t77
-  br label %while.cond3089
-while.end3091:
+ok3316:
+  %t78 = getelementptr inbounds %S.gen.Gen, ptr %t76, i32 0, i32 44
+  %t79 = load i64, ptr %t78
+  store i64 %t79, ptr %a80
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic3317, label %ok3318
+panic3317:
+  call void @finch_panic(ptr @.str.2108, i64 1382, ptr @.str.2109)
+  unreachable
+ok3318:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 43
+  store i1 true, ptr %t83
+  %t84 = load ptr, ptr %a1
+  %t85 = icmp eq ptr %t84, null
+  br i1 %t85, label %panic3319, label %ok3320
+panic3319:
+  call void @finch_panic(ptr @.str.2110, i64 1383, ptr @.str.2111)
+  unreachable
+ok3320:
+  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 10
+  %t87 = load i64, ptr %a2
+  %t88 = load { ptr, i64, i64 }, ptr %t86
+  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
+  %t90 = icmp uge i64 %t87, %t89
+  br i1 %t90, label %range3321, label %inrange3322
+range3321:
+  call void @finch_panic_index(ptr @.str.2112, i64 1383, i64 %t87, i64 %t89)
+  unreachable
+inrange3322:
+  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
+  %t92 = getelementptr inbounds %S.gen.Scope, ptr %t91, i64 %t87
+  %t93 = getelementptr inbounds %S.gen.Scope, ptr %t92, i32 0, i32 2
+  %t94 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 1
+  %t95 = load i64, ptr %t94
+  %t96 = load { ptr, i64, i64 }, ptr %t93
+  %t97 = extractvalue { ptr, i64, i64 } %t96, 1
+  %t98 = icmp uge i64 %t95, %t97
+  br i1 %t98, label %range3323, label %inrange3324
+range3323:
+  call void @finch_panic_index(ptr @.str.2113, i64 1383, i64 %t95, i64 %t97)
+  unreachable
+inrange3324:
+  %t99 = extractvalue { ptr, i64, i64 } %t96, 0
+  %t100 = getelementptr inbounds i64, ptr %t99, i64 %t95
+  %t101 = load i64, ptr %t100
+  %t102 = load ptr, ptr %a1
+  %t103 = icmp eq ptr %t102, null
+  br i1 %t103, label %panic3325, label %ok3326
+panic3325:
+  call void @finch_panic(ptr @.str.2114, i64 1383, ptr @.str.2115)
+  unreachable
+ok3326:
+  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 44
+  store i64 %t101, ptr %t104
+  %t105 = load ptr, ptr %a1
+  %t106 = icmp eq ptr %t105, null
+  br i1 %t106, label %panic3327, label %ok3328
+panic3327:
+  call void @finch_panic(ptr @.str.2116, i64 1384, ptr @.str.2117)
+  unreachable
+ok3328:
+  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 45
+  %t108 = load i64, ptr %t107
+  %t109 = add i64 %t108, 1
+  store i64 %t109, ptr %t107
+  %t110 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t110)
+  %t111 = load ptr, ptr %a1
+  %t112 = load ptr, ptr %a1
+  %t113 = icmp eq ptr %t112, null
+  br i1 %t113, label %panic3329, label %ok3330
+panic3329:
+  call void @finch_panic(ptr @.str.2118, i64 1386, ptr @.str.2119)
+  unreachable
+ok3330:
+  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 10
+  %t115 = load i64, ptr %a2
+  %t116 = load { ptr, i64, i64 }, ptr %t114
+  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
+  %t118 = icmp uge i64 %t115, %t117
+  br i1 %t118, label %range3331, label %inrange3332
+range3331:
+  call void @finch_panic_index(ptr @.str.2120, i64 1386, i64 %t115, i64 %t117)
+  unreachable
+inrange3332:
+  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
+  %t120 = getelementptr inbounds %S.gen.Scope, ptr %t119, i64 %t115
+  %t121 = getelementptr inbounds %S.gen.Scope, ptr %t120, i32 0, i32 1
+  %t122 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 1
+  %t123 = load i64, ptr %t122
+  %t124 = load { ptr, i64, i64 }, ptr %t121
+  %t125 = extractvalue { ptr, i64, i64 } %t124, 1
+  %t126 = icmp uge i64 %t123, %t125
+  br i1 %t126, label %range3333, label %inrange3334
+range3333:
+  call void @finch_panic_index(ptr @.str.2121, i64 1386, i64 %t123, i64 %t125)
+  unreachable
+inrange3334:
+  %t127 = extractvalue { ptr, i64, i64 } %t124, 0
+  %t128 = getelementptr inbounds %S.ast.Node, ptr %t127, i64 %t123
+  %t129 = load %S.ast.Node, ptr %t128
+  call void @finch.gen.stmt(ptr %t111, %S.ast.Node %t129)
+  %t130 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t130)
+  %t131 = load ptr, ptr %a1
+  %t132 = icmp eq ptr %t131, null
+  br i1 %t132, label %panic3335, label %ok3336
+panic3335:
+  call void @finch_panic(ptr @.str.2122, i64 1388, ptr @.str.2123)
+  unreachable
+ok3336:
+  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 45
+  %t134 = load i64, ptr %t133
+  %t135 = sub i64 %t134, 1
+  store i64 %t135, ptr %t133
+  %t136 = load i1, ptr %a75
+  %t137 = load ptr, ptr %a1
+  %t138 = icmp eq ptr %t137, null
+  br i1 %t138, label %panic3337, label %ok3338
+panic3337:
+  call void @finch_panic(ptr @.str.2124, i64 1389, ptr @.str.2125)
+  unreachable
+ok3338:
+  %t139 = getelementptr inbounds %S.gen.Gen, ptr %t137, i32 0, i32 43
+  store i1 %t136, ptr %t139
+  %t140 = load i64, ptr %a80
+  %t141 = load ptr, ptr %a1
+  %t142 = icmp eq ptr %t141, null
+  br i1 %t142, label %panic3339, label %ok3340
+panic3339:
+  call void @finch_panic(ptr @.str.2126, i64 1390, ptr @.str.2127)
+  unreachable
+ok3340:
+  %t143 = getelementptr inbounds %S.gen.Gen, ptr %t141, i32 0, i32 44
+  store i64 %t140, ptr %t143
+  br label %while.cond3292
+while.end3294:
   ret void
 }
 
@@ -31075,30 +36660,30 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3112, label %ok3113
-panic3112:
-  call void @finch_panic(ptr @.str.2031, i64 1244, ptr @.str.2032)
+  br i1 %t4, label %panic3341, label %ok3342
+panic3341:
+  call void @finch_panic(ptr @.str.2128, i64 1396, ptr @.str.2129)
   unreachable
-ok3113:
+ok3342:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 %t7, ptr %a8
-  br label %while.cond3114
-while.cond3114:
+  br label %while.cond3343
+while.cond3343:
   %t9 = load i64, ptr %a8
   %t10 = load i64, ptr %a2
   %t11 = icmp sgt i64 %t9, %t10
-  br i1 %t11, label %while.body3115, label %while.end3116
-while.body3115:
+  br i1 %t11, label %while.body3344, label %while.end3345
+while.body3344:
   %t12 = load i64, ptr %a8
   %t13 = sub i64 %t12, 1
   store i64 %t13, ptr %a8
   %t14 = load ptr, ptr %a1
   %t15 = load i64, ptr %a8
-  call void @finch.gen.runDefers(ptr %t14, i64 %t15)
-  br label %while.cond3114
-while.end3116:
+  call void @finch.gen.runCleanups(ptr %t14, i64 %t15)
+  br label %while.cond3343
+while.end3345:
   ret void
 }
 
@@ -31107,53 +36692,7 @@ entry:
   %a1 = alloca ptr, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3117, label %ok3118
-panic3117:
-  call void @finch_panic(ptr @.str.2033, i64 1253, ptr @.str.2034)
-  unreachable
-ok3118:
-  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 9
-  %t5 = load i1, ptr %t4
-  %t6 = xor i1 %t5, true
-  br i1 %t6, label %then3119, label %endif3121
-then3119:
-  %t7 = load ptr, ptr %a1
-  %t8 = load ptr, ptr %a1
-  %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic3122, label %ok3123
-panic3122:
-  call void @finch_panic(ptr @.str.2035, i64 1254, ptr @.str.2036)
-  unreachable
-ok3123:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 10
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
-  %t12 = load i64, ptr %t11
-  %t13 = sub i64 %t12, 1
-  call void @finch.gen.runDefers(ptr %t7, i64 %t13)
-  br label %endif3121
-endif3121:
-  %t14 = load ptr, ptr %a1
-  %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic3124, label %ok3125
-panic3124:
-  call void @finch_panic(ptr @.str.2037, i64 1256, ptr @.str.2038)
-  unreachable
-ok3125:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 10
-  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
-  %t18 = load i64, ptr %t17
-  %t19 = icmp eq i64 %t18, 0
-  br i1 %t19, label %panic3126, label %ok3127
-panic3126:
-  call void @finch_panic(ptr @.str.2039, i64 1256, ptr @.str.2040)
-  unreachable
-ok3127:
-  %t20 = sub i64 %t18, 1
-  %t21 = load ptr, ptr %t16
-  %t22 = getelementptr inbounds %S.gen.Scope, ptr %t21, i64 %t20
-  %t23 = load %S.gen.Scope, ptr %t22
-  store i64 %t20, ptr %t17
+  call void @finch.gen.popScope(ptr %t2)
   ret void
 }
 
@@ -31172,57 +36711,57 @@ entry:
   %t2 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.2041, i64 3, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.2130, i64 3, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then3128, label %endif3130
-then3128:
+  br i1 %t7, label %then3346, label %endif3348
+then3346:
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
   store { ptr, i64, i64 } %t9, ptr %a10
   call void @finch_str_copy(ptr %a11, ptr %a10)
   %t12 = load { ptr, i64, i64 }, ptr %a11
   ret { ptr, i64, i64 } %t12
-endif3130:
+endif3348:
   %t13 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t14 = load { ptr, i64, i64 }, ptr %t13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.2042, i64 6, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.2131, i64 6, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.from3131
-logic.from3131:
-  br i1 %t18, label %logic.end3133, label %logic.rhs3132
-logic.rhs3132:
+  br label %logic.from3349
+logic.from3349:
+  br i1 %t18, label %logic.end3351, label %logic.rhs3350
+logic.rhs3350:
   %t19 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t20 = load { ptr, i64, i64 }, ptr %t19
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.2043, i64 5, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2132, i64 5, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend3134
-logic.rend3134:
-  br label %logic.end3133
-logic.end3133:
-  %t25 = phi i1 [ true, %logic.from3131 ], [ %t24, %logic.rend3134 ]
-  br i1 %t25, label %then3135, label %endif3137
-then3135:
+  br label %logic.rend3352
+logic.rend3352:
+  br label %logic.end3351
+logic.end3351:
+  %t25 = phi i1 [ true, %logic.from3349 ], [ %t24, %logic.rend3352 ]
+  br i1 %t25, label %then3353, label %endif3355
+then3353:
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 9
   %t27 = load { ptr, i64, i64 }, ptr %t26
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 0, %t28
-  br i1 %t29, label %range3138, label %inrange3139
-range3138:
-  call void @finch_panic_index(ptr @.str.2044, i64 1266, i64 0, i64 %t28)
+  br i1 %t29, label %range3356, label %inrange3357
+range3356:
+  call void @finch_panic_index(ptr @.str.2133, i64 1414, i64 0, i64 %t28)
   unreachable
-inrange3139:
+inrange3357:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.ast.Node, ptr %t30, i64 0
   %t32 = load %S.ast.Node, ptr %t31
   %t33 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t32)
   ret { ptr, i64, i64 } %t33
-endif3137:
-  ret { ptr, i64, i64 } { ptr @.str.2045, i64 0, i64 0 }
+endif3355:
+  ret { ptr, i64, i64 } { ptr @.str.2134, i64 0, i64 0 }
 }
 
 define internal i1 @finch.gen.mutates(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Node %p2) {
@@ -31235,47 +36774,50 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i64, align 16
-  %a50 = alloca i64, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca i64, align 16
+  %a51 = alloca i64, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca i64, align 16
-  %a71 = alloca i64, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca i64, align 16
+  %a72 = alloca i64, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca i64, align 16
-  %a140 = alloca %S.ast.Node, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca i64, align 16
+  %a143 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = mul i64 8, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t5 = call ptr @finch_alloc(i64 %t4)
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 0
-  store { ptr, i64, i64 } { ptr @.str.2046, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.2135, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 1
-  store { ptr, i64, i64 } { ptr @.str.2047, i64 3, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.2136, i64 3, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 2
-  store { ptr, i64, i64 } { ptr @.str.2048, i64 6, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.2137, i64 6, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 3
-  store { ptr, i64, i64 } { ptr @.str.2049, i64 6, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.2138, i64 6, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 4
-  store { ptr, i64, i64 } { ptr @.str.2050, i64 5, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.2139, i64 5, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 5
-  store { ptr, i64, i64 } { ptr @.str.2051, i64 6, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.2140, i64 6, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 6
-  store { ptr, i64, i64 } { ptr @.str.2052, i64 4, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.2141, i64 4, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 7
-  store { ptr, i64, i64 } { ptr @.str.2053, i64 7, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.2142, i64 7, i64 0 }, ptr %t13
   %t14 = insertvalue { ptr, i64, i64 } undef, ptr %t5, 0
   %t15 = insertvalue { ptr, i64, i64 } %t14, i64 8, 1
   %t16 = insertvalue { ptr, i64, i64 } %t15, i64 8, 2
@@ -31283,22 +36825,22 @@ entry:
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.2054, i64 6, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.2143, i64 6, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.from3140
-logic.from3140:
-  br i1 %t23, label %logic.rhs3141, label %logic.end3142
-logic.rhs3141:
+  br label %logic.from3358
+logic.from3358:
+  br i1 %t23, label %logic.rhs3359, label %logic.end3360
+logic.rhs3359:
   %t24 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
   %t25 = load { ptr, i64, i64 }, ptr %t24
   %t26 = extractvalue { ptr, i64, i64 } %t25, 1
   %t27 = icmp uge i64 0, %t26
-  br i1 %t27, label %range3143, label %inrange3144
-range3143:
-  call void @finch_panic_index(ptr @.str.2055, i64 1273, i64 0, i64 %t26)
+  br i1 %t27, label %range3361, label %inrange3362
+range3361:
+  call void @finch_panic_index(ptr @.str.2144, i64 1421, i64 0, i64 %t26)
   unreachable
-inrange3144:
+inrange3362:
   %t28 = extractvalue { ptr, i64, i64 } %t25, 0
   %t29 = getelementptr inbounds %S.ast.Node, ptr %t28, i64 0
   %t30 = load %S.ast.Node, ptr %t29
@@ -31308,232 +36850,243 @@ inrange3144:
   store { ptr, i64, i64 } %t32, ptr %a34
   %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
   %t36 = icmp ne i32 %t35, 0
-  br label %logic.rend3145
-logic.rend3145:
-  br label %logic.end3142
-logic.end3142:
-  %t37 = phi i1 [ false, %logic.from3140 ], [ %t36, %logic.rend3145 ]
-  br i1 %t37, label %then3146, label %endif3148
-then3146:
+  store { ptr, i64, i64 } %t31, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  br label %logic.rend3363
+logic.rend3363:
+  br label %logic.end3360
+logic.end3360:
+  %t38 = phi i1 [ false, %logic.from3358 ], [ %t36, %logic.rend3363 ]
+  br i1 %t38, label %then3364, label %endif3366
+then3364:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3148:
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.2056, i64 6, i64 0 }, ptr %a41
-  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
-  %t43 = icmp ne i32 %t42, 0
-  br label %logic.from3149
-logic.from3149:
-  br i1 %t43, label %logic.rhs3150, label %logic.end3151
-logic.rhs3150:
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %a17, i32 0, i32 1
-  %t45 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
-  %t46 = load { ptr, i64, i64 }, ptr %t45
-  store i64 -1, ptr %a47
-  %t48 = load i64, ptr %t44
-  %t49 = load ptr, ptr %a17
-  store i64 0, ptr %a50
-  br label %find.cond3152
-find.cond3152:
-  %t51 = load i64, ptr %a50
-  %t52 = icmp slt i64 %t51, %t48
-  br i1 %t52, label %find.body3153, label %find.end3156
-find.body3153:
-  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t51
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } %t46, ptr %a56
-  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
-  %t58 = icmp ne i32 %t57, 0
-  br i1 %t58, label %find.hit3154, label %find.next3155
-find.hit3154:
-  store i64 %t51, ptr %a47
-  br label %find.end3156
-find.next3155:
-  %t59 = add i64 %t51, 1
-  store i64 %t59, ptr %a50
-  br label %find.cond3152
-find.end3156:
-  %t60 = load i64, ptr %a47
-  %t61 = icmp sge i64 %t60, 0
-  br label %logic.from3157
-logic.from3157:
-  br i1 %t61, label %logic.end3159, label %logic.rhs3158
-logic.rhs3158:
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic3160, label %ok3161
-panic3160:
-  call void @finch_panic(ptr @.str.2057, i64 1279, ptr @.str.2058)
+endif3366:
+  %t39 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  store { ptr, i64, i64 } %t40, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.2145, i64 6, i64 0 }, ptr %a42
+  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
+  %t44 = icmp ne i32 %t43, 0
+  br label %logic.from3367
+logic.from3367:
+  br i1 %t44, label %logic.rhs3368, label %logic.end3369
+logic.rhs3368:
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %a17, i32 0, i32 1
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
+  %t47 = load { ptr, i64, i64 }, ptr %t46
+  store i64 -1, ptr %a48
+  %t49 = load i64, ptr %t45
+  %t50 = load ptr, ptr %a17
+  store i64 0, ptr %a51
+  br label %find.cond3370
+find.cond3370:
+  %t52 = load i64, ptr %a51
+  %t53 = icmp slt i64 %t52, %t49
+  br i1 %t53, label %find.body3371, label %find.end3374
+find.body3371:
+  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t52
+  %t55 = load { ptr, i64, i64 }, ptr %t54
+  store { ptr, i64, i64 } %t55, ptr %a56
+  store { ptr, i64, i64 } %t47, ptr %a57
+  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
+  %t59 = icmp ne i32 %t58, 0
+  br i1 %t59, label %find.hit3372, label %find.next3373
+find.hit3372:
+  store i64 %t52, ptr %a48
+  br label %find.end3374
+find.next3373:
+  %t60 = add i64 %t52, 1
+  store i64 %t60, ptr %a51
+  br label %find.cond3370
+find.end3374:
+  %t61 = load i64, ptr %a48
+  %t62 = icmp sge i64 %t61, 0
+  br label %logic.from3375
+logic.from3375:
+  br i1 %t62, label %logic.end3377, label %logic.rhs3376
+logic.rhs3376:
+  %t63 = load ptr, ptr %a1
+  %t64 = icmp eq ptr %t63, null
+  br i1 %t64, label %panic3378, label %ok3379
+panic3378:
+  call void @finch_panic(ptr @.str.2146, i64 1427, ptr @.str.2147)
   unreachable
-ok3161:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 22
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  store i64 -1, ptr %a68
-  %t69 = load i64, ptr %t65
-  %t70 = load ptr, ptr %t64
-  store i64 0, ptr %a71
-  br label %find.cond3162
-find.cond3162:
-  %t72 = load i64, ptr %a71
-  %t73 = icmp slt i64 %t72, %t69
-  br i1 %t73, label %find.body3163, label %find.end3166
-find.body3163:
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 %t72
-  %t75 = load { ptr, i64, i64 }, ptr %t74
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } %t67, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br i1 %t79, label %find.hit3164, label %find.next3165
-find.hit3164:
-  store i64 %t72, ptr %a68
-  br label %find.end3166
-find.next3165:
-  %t80 = add i64 %t72, 1
-  store i64 %t80, ptr %a71
-  br label %find.cond3162
-find.end3166:
-  %t81 = load i64, ptr %a68
-  %t82 = icmp sge i64 %t81, 0
-  br label %logic.rend3167
-logic.rend3167:
-  br label %logic.end3159
-logic.end3159:
-  %t83 = phi i1 [ true, %logic.from3157 ], [ %t82, %logic.rend3167 ]
-  br label %logic.rend3168
-logic.rend3168:
-  br label %logic.end3151
-logic.end3151:
-  %t84 = phi i1 [ false, %logic.from3149 ], [ %t83, %logic.rend3168 ]
-  br label %logic.from3169
-logic.from3169:
-  br i1 %t84, label %logic.rhs3170, label %logic.end3171
-logic.rhs3170:
-  %t85 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 0, %t87
-  br i1 %t88, label %range3172, label %inrange3173
-range3172:
-  call void @finch_panic_index(ptr @.str.2059, i64 1279, i64 0, i64 %t87)
+ok3379:
+  %t65 = getelementptr inbounds %S.gen.Gen, ptr %t63, i32 0, i32 23
+  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i32 0, i32 1
+  %t67 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  store i64 -1, ptr %a69
+  %t70 = load i64, ptr %t66
+  %t71 = load ptr, ptr %t65
+  store i64 0, ptr %a72
+  br label %find.cond3380
+find.cond3380:
+  %t73 = load i64, ptr %a72
+  %t74 = icmp slt i64 %t73, %t70
+  br i1 %t74, label %find.body3381, label %find.end3384
+find.body3381:
+  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i64 %t73
+  %t76 = load { ptr, i64, i64 }, ptr %t75
+  store { ptr, i64, i64 } %t76, ptr %a77
+  store { ptr, i64, i64 } %t68, ptr %a78
+  %t79 = call i32 @finch_str_eq(ptr %a77, ptr %a78)
+  %t80 = icmp ne i32 %t79, 0
+  br i1 %t80, label %find.hit3382, label %find.next3383
+find.hit3382:
+  store i64 %t73, ptr %a69
+  br label %find.end3384
+find.next3383:
+  %t81 = add i64 %t73, 1
+  store i64 %t81, ptr %a72
+  br label %find.cond3380
+find.end3384:
+  %t82 = load i64, ptr %a69
+  %t83 = icmp sge i64 %t82, 0
+  br label %logic.rend3385
+logic.rend3385:
+  br label %logic.end3377
+logic.end3377:
+  %t84 = phi i1 [ true, %logic.from3375 ], [ %t83, %logic.rend3385 ]
+  br label %logic.rend3386
+logic.rend3386:
+  br label %logic.end3369
+logic.end3369:
+  %t85 = phi i1 [ false, %logic.from3367 ], [ %t84, %logic.rend3386 ]
+  br label %logic.from3387
+logic.from3387:
+  br i1 %t85, label %logic.rhs3388, label %logic.end3389
+logic.rhs3388:
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
+  %t89 = icmp uge i64 0, %t88
+  br i1 %t89, label %range3390, label %inrange3391
+range3390:
+  call void @finch_panic_index(ptr @.str.2148, i64 1427, i64 0, i64 %t88)
   unreachable
-inrange3173:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %t89, i64 0
-  %t91 = load %S.ast.Node, ptr %t90
-  %t92 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t91)
-  %t93 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t92, ptr %a94
+inrange3391:
+  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
+  %t91 = getelementptr inbounds %S.ast.Node, ptr %t90, i64 0
+  %t92 = load %S.ast.Node, ptr %t91
+  %t93 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t92)
+  %t94 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t93, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.rend3174
-logic.rend3174:
-  br label %logic.end3171
-logic.end3171:
-  %t98 = phi i1 [ false, %logic.from3169 ], [ %t97, %logic.rend3174 ]
-  br i1 %t98, label %then3175, label %endif3177
-then3175:
+  store { ptr, i64, i64 } %t94, ptr %a96
+  %t97 = call i32 @finch_str_eq(ptr %a95, ptr %a96)
+  %t98 = icmp ne i32 %t97, 0
+  store { ptr, i64, i64 } %t93, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  br label %logic.rend3392
+logic.rend3392:
+  br label %logic.end3389
+logic.end3389:
+  %t100 = phi i1 [ false, %logic.from3387 ], [ %t98, %logic.rend3392 ]
+  br i1 %t100, label %then3393, label %endif3395
+then3393:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3177:
-  %t99 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
-  %t100 = load { ptr, i64, i64 }, ptr %t99
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.2060, i64 4, i64 0 }, ptr %a102
-  %t103 = call i32 @finch_str_eq(ptr %a101, ptr %a102)
-  %t104 = icmp ne i32 %t103, 0
-  br label %logic.from3178
-logic.from3178:
-  br i1 %t104, label %logic.rhs3179, label %logic.end3180
-logic.rhs3179:
-  %t105 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.2061, i64 4, i64 0 }, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend3181
-logic.rend3181:
-  br label %logic.end3180
-logic.end3180:
-  %t111 = phi i1 [ false, %logic.from3178 ], [ %t110, %logic.rend3181 ]
-  br label %logic.from3182
-logic.from3182:
-  br i1 %t111, label %logic.rhs3183, label %logic.end3184
-logic.rhs3183:
-  %t112 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
-  %t114 = load i64, ptr %t113
-  %t115 = icmp eq i64 %t114, 1
-  br label %logic.rend3185
-logic.rend3185:
-  br label %logic.end3184
-logic.end3184:
-  %t116 = phi i1 [ false, %logic.from3182 ], [ %t115, %logic.rend3185 ]
-  br label %logic.from3186
-logic.from3186:
-  br i1 %t116, label %logic.rhs3187, label %logic.end3188
-logic.rhs3187:
-  %t117 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t118 = load { ptr, i64, i64 }, ptr %t117
-  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
-  %t120 = icmp uge i64 0, %t119
-  br i1 %t120, label %range3189, label %inrange3190
-range3189:
-  call void @finch_panic_index(ptr @.str.2062, i64 1282, i64 0, i64 %t119)
+endif3395:
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.2149, i64 4, i64 0 }, ptr %a104
+  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
+  %t106 = icmp ne i32 %t105, 0
+  br label %logic.from3396
+logic.from3396:
+  br i1 %t106, label %logic.rhs3397, label %logic.end3398
+logic.rhs3397:
+  %t107 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
+  %t108 = load { ptr, i64, i64 }, ptr %t107
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2150, i64 4, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br label %logic.rend3399
+logic.rend3399:
+  br label %logic.end3398
+logic.end3398:
+  %t113 = phi i1 [ false, %logic.from3396 ], [ %t112, %logic.rend3399 ]
+  br label %logic.from3400
+logic.from3400:
+  br i1 %t113, label %logic.rhs3401, label %logic.end3402
+logic.rhs3401:
+  %t114 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
+  %t116 = load i64, ptr %t115
+  %t117 = icmp eq i64 %t116, 1
+  br label %logic.rend3403
+logic.rend3403:
+  br label %logic.end3402
+logic.end3402:
+  %t118 = phi i1 [ false, %logic.from3400 ], [ %t117, %logic.rend3403 ]
+  br label %logic.from3404
+logic.from3404:
+  br i1 %t118, label %logic.rhs3405, label %logic.end3406
+logic.rhs3405:
+  %t119 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t120 = load { ptr, i64, i64 }, ptr %t119
+  %t121 = extractvalue { ptr, i64, i64 } %t120, 1
+  %t122 = icmp uge i64 0, %t121
+  br i1 %t122, label %range3407, label %inrange3408
+range3407:
+  call void @finch_panic_index(ptr @.str.2151, i64 1430, i64 0, i64 %t121)
   unreachable
-inrange3190:
-  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
-  %t122 = getelementptr inbounds %S.ast.Node, ptr %t121, i64 0
-  %t123 = load %S.ast.Node, ptr %t122
-  %t124 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t123)
-  %t125 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t124, ptr %a126
-  store { ptr, i64, i64 } %t125, ptr %a127
-  %t128 = call i32 @finch_str_eq(ptr %a126, ptr %a127)
-  %t129 = icmp ne i32 %t128, 0
-  br label %logic.rend3191
-logic.rend3191:
-  br label %logic.end3188
-logic.end3188:
-  %t130 = phi i1 [ false, %logic.from3186 ], [ %t129, %logic.rend3191 ]
-  br i1 %t130, label %then3192, label %endif3194
-then3192:
+inrange3408:
+  %t123 = extractvalue { ptr, i64, i64 } %t120, 0
+  %t124 = getelementptr inbounds %S.ast.Node, ptr %t123, i64 0
+  %t125 = load %S.ast.Node, ptr %t124
+  %t126 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t125)
+  %t127 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t126, ptr %a128
+  store { ptr, i64, i64 } %t127, ptr %a129
+  %t130 = call i32 @finch_str_eq(ptr %a128, ptr %a129)
+  %t131 = icmp ne i32 %t130, 0
+  store { ptr, i64, i64 } %t126, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  br label %logic.rend3409
+logic.rend3409:
+  br label %logic.end3406
+logic.end3406:
+  %t133 = phi i1 [ false, %logic.from3404 ], [ %t131, %logic.rend3409 ]
+  br i1 %t133, label %then3410, label %endif3412
+then3410:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3194:
-  %t131 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  store i64 0, ptr %a132
-  br label %each.cond3195
-each.cond3195:
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  %t135 = load i64, ptr %a132
-  %t136 = icmp slt i64 %t135, %t134
-  br i1 %t136, label %each.body3196, label %each.end3198
-each.body3196:
-  %t137 = load ptr, ptr %t131
-  %t138 = getelementptr inbounds %S.ast.Node, ptr %t137, i64 %t135
-  %t139 = load %S.ast.Node, ptr %t138
-  store %S.ast.Node %t139, ptr %a140
-  %t141 = load ptr, ptr %a1
-  %t142 = load { ptr, i64, i64 }, ptr %a2
-  %t143 = load %S.ast.Node, ptr %a140
-  %t144 = call i1 @finch.gen.mutates(ptr %t141, { ptr, i64, i64 } %t142, %S.ast.Node %t143)
-  br i1 %t144, label %then3199, label %endif3201
-then3199:
+endif3412:
+  %t134 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  store i64 0, ptr %a135
+  br label %each.cond3413
+each.cond3413:
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i32 0, i32 1
+  %t137 = load i64, ptr %t136
+  %t138 = load i64, ptr %a135
+  %t139 = icmp slt i64 %t138, %t137
+  br i1 %t139, label %each.body3414, label %each.end3416
+each.body3414:
+  %t140 = load ptr, ptr %t134
+  %t141 = getelementptr inbounds %S.ast.Node, ptr %t140, i64 %t138
+  %t142 = load %S.ast.Node, ptr %t141
+  store %S.ast.Node %t142, ptr %a143
+  %t144 = load ptr, ptr %a1
+  %t145 = load { ptr, i64, i64 }, ptr %a2
+  %t146 = load %S.ast.Node, ptr %a143
+  %t147 = call i1 @finch.gen.mutates(ptr %t144, { ptr, i64, i64 } %t145, %S.ast.Node %t146)
+  br i1 %t147, label %then3417, label %endif3419
+then3417:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3201:
-  br label %each.step3197
-each.step3197:
-  %t145 = load i64, ptr %a132
-  %t146 = add i64 %t145, 1
-  store i64 %t146, ptr %a132
-  br label %each.cond3195
-each.end3198:
+endif3419:
+  br label %each.step3415
+each.step3415:
+  %t148 = load i64, ptr %a135
+  %t149 = add i64 %t148, 1
+  store i64 %t149, ptr %a135
+  br label %each.cond3413
+each.end3416:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 false
 }
 
@@ -31543,2585 +37096,2762 @@ entry:
   %a7 = alloca i64, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca i64, align 16
-  %a59 = alloca %S.ast.Node, align 16
-  %a60 = alloca %S.ast.Node, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca i64, align 16
+  %a61 = alloca %S.ast.Node, align 16
   %a62 = alloca %S.ast.Node, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca %S.ast.Node, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca i64, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca i64, align 16
-  %a218 = alloca %S.ast.Node, align 16
-  %a219 = alloca %S.ast.Node, align 16
-  %a221 = alloca %S.ast.Node, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca i64, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca i64, align 16
+  %a224 = alloca %S.ast.Node, align 16
+  %a225 = alloca %S.ast.Node, align 16
+  %a227 = alloca %S.ast.Node, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
   %a258 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca %S.gen.EnumDef, align 16
-  %a268 = alloca i64, align 16
-  %a270 = alloca i64, align 16
-  %a278 = alloca %S.ast.Node, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca i64, align 16
-  %a294 = alloca i64, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca %S.gen.EnumDef, align 16
+  %a276 = alloca i64, align 16
+  %a278 = alloca i64, align 16
+  %a286 = alloca %S.ast.Node, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca i64, align 16
+  %a302 = alloca i64, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
   %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca i64, align 16
-  %a334 = alloca i64, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca i64, align 16
+  %a346 = alloca i64, align 16
   %a359 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca %S.gen.EnumDef, align 16
-  %a394 = alloca %S.gen.EnumDef, align 16
-  %a410 = alloca i64, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca i64, align 16
-  %a460 = alloca i64, align 16
-  %a477 = alloca { ptr, i64, i64 }, align 16
-  %a478 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca i64, align 16
-  %a512 = alloca %S.ast.Node, align 16
-  %a513 = alloca %S.ast.Node, align 16
-  %a515 = alloca %S.ast.Node, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
-  %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca %S.gen.EnumDef, align 16
+  %a411 = alloca %S.gen.EnumDef, align 16
+  %a427 = alloca i64, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca i64, align 16
+  %a477 = alloca i64, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca i64, align 16
+  %a531 = alloca %S.ast.Node, align 16
+  %a532 = alloca %S.ast.Node, align 16
+  %a534 = alloca %S.ast.Node, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
   %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
   %a563 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a567 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
   %a583 = alloca { ptr, i64, i64 }, align 16
   %a584 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a596 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
   %a612 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca i1, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a643 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a647 = alloca { ptr, i64, i64 }, align 16
-  %a648 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca i64, align 16
-  %a691 = alloca { ptr, i64, i64 }, align 16
-  %a692 = alloca { ptr, i64, i64 }, align 16
-  %a693 = alloca { ptr, i64, i64 }, align 16
-  %a695 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a613 = alloca { ptr, i64, i64 }, align 16
+  %a618 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca i1, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a683 = alloca { ptr, i64, i64 }, align 16
+  %a684 = alloca { ptr, i64, i64 }, align 16
+  %a686 = alloca { ptr, i64, i64 }, align 16
+  %a699 = alloca i64, align 16
   %a713 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
   %a721 = alloca { ptr, i64, i64 }, align 16
   %a722 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
   %a725 = alloca { ptr, i64, i64 }, align 16
   %a726 = alloca { ptr, i64, i64 }, align 16
   %a727 = alloca { ptr, i64, i64 }, align 16
-  %a742 = alloca i64, align 16
-  %a745 = alloca i64, align 16
-  %a750 = alloca { ptr, i64, i64 }, align 16
-  %a751 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
+  %a746 = alloca { ptr, i64, i64 }, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
   %a761 = alloca { ptr, i64, i64 }, align 16
-  %a762 = alloca { ptr, i64, i64 }, align 16
   %a763 = alloca { ptr, i64, i64 }, align 16
-  %a765 = alloca { ptr, i64, i64 }, align 16
-  %a766 = alloca { ptr, i64, i64 }, align 16
-  %a767 = alloca { ptr, i64, i64 }, align 16
-  %a771 = alloca { ptr, i64, i64 }, align 16
-  %a772 = alloca { ptr, i64, i64 }, align 16
-  %a773 = alloca { ptr, i64, i64 }, align 16
-  %a775 = alloca { ptr, i64, i64 }, align 16
-  %a776 = alloca { ptr, i64, i64 }, align 16
-  %a777 = alloca { ptr, i64, i64 }, align 16
-  %a792 = alloca { ptr, i64, i64 }, align 16
-  %a793 = alloca { ptr, i64, i64 }, align 16
-  %a794 = alloca { ptr, i64, i64 }, align 16
+  %a777 = alloca i64, align 16
+  %a780 = alloca i64, align 16
+  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a786 = alloca { ptr, i64, i64 }, align 16
   %a796 = alloca { ptr, i64, i64 }, align 16
   %a797 = alloca { ptr, i64, i64 }, align 16
   %a798 = alloca { ptr, i64, i64 }, align 16
+  %a800 = alloca { ptr, i64, i64 }, align 16
+  %a801 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
   %a807 = alloca { ptr, i64, i64 }, align 16
   %a808 = alloca { ptr, i64, i64 }, align 16
   %a809 = alloca { ptr, i64, i64 }, align 16
-  %a811 = alloca { ptr, i64, i64 }, align 16
+  %a810 = alloca { ptr, i64, i64 }, align 16
   %a812 = alloca { ptr, i64, i64 }, align 16
   %a813 = alloca { ptr, i64, i64 }, align 16
-  %a819 = alloca { ptr, i64, i64 }, align 16
-  %a820 = alloca { ptr, i64, i64 }, align 16
-  %a825 = alloca { ptr, i64, i64 }, align 16
-  %a826 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
+  %a817 = alloca { ptr, i64, i64 }, align 16
   %a831 = alloca { ptr, i64, i64 }, align 16
   %a832 = alloca { ptr, i64, i64 }, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a835 = alloca { ptr, i64, i64 }, align 16
   %a836 = alloca { ptr, i64, i64 }, align 16
   %a837 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca %S.gen.FnSig, align 16
-  %a858 = alloca { ptr, i64, i64 }, align 16
-  %a859 = alloca { ptr, i64, i64 }, align 16
-  %a860 = alloca { ptr, i64, i64 }, align 16
+  %a838 = alloca { ptr, i64, i64 }, align 16
+  %a840 = alloca { ptr, i64, i64 }, align 16
+  %a848 = alloca { ptr, i64, i64 }, align 16
+  %a849 = alloca { ptr, i64, i64 }, align 16
+  %a850 = alloca { ptr, i64, i64 }, align 16
+  %a852 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca { ptr, i64, i64 }, align 16
+  %a854 = alloca { ptr, i64, i64 }, align 16
+  %a855 = alloca { ptr, i64, i64 }, align 16
+  %a857 = alloca { ptr, i64, i64 }, align 16
   %a862 = alloca { ptr, i64, i64 }, align 16
   %a863 = alloca { ptr, i64, i64 }, align 16
-  %a864 = alloca { ptr, i64, i64 }, align 16
   %a868 = alloca { ptr, i64, i64 }, align 16
   %a869 = alloca { ptr, i64, i64 }, align 16
-  %a870 = alloca { ptr, i64, i64 }, align 16
-  %a882 = alloca { ptr, i64, i64 }, align 16
-  %a883 = alloca { ptr, i64, i64 }, align 16
-  %a884 = alloca { ptr, i64, i64 }, align 16
-  %a886 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
-  %a888 = alloca { ptr, i64, i64 }, align 16
-  %a892 = alloca { ptr, i64, i64 }, align 16
-  %a893 = alloca { ptr, i64, i64 }, align 16
-  %a894 = alloca { ptr, i64, i64 }, align 16
-  %a896 = alloca { ptr, i64, i64 }, align 16
-  %a897 = alloca { ptr, i64, i64 }, align 16
-  %a898 = alloca { ptr, i64, i64 }, align 16
+  %a874 = alloca { ptr, i64, i64 }, align 16
+  %a875 = alloca { ptr, i64, i64 }, align 16
+  %a879 = alloca { ptr, i64, i64 }, align 16
+  %a880 = alloca { ptr, i64, i64 }, align 16
+  %a895 = alloca %S.gen.FnSig, align 16
+  %a901 = alloca { ptr, i64, i64 }, align 16
   %a902 = alloca { ptr, i64, i64 }, align 16
   %a903 = alloca { ptr, i64, i64 }, align 16
   %a904 = alloca { ptr, i64, i64 }, align 16
-  %a917 = alloca i64, align 16
-  %a929 = alloca { ptr, i64, i64 }, align 16
+  %a906 = alloca { ptr, i64, i64 }, align 16
+  %a907 = alloca { ptr, i64, i64 }, align 16
+  %a908 = alloca { ptr, i64, i64 }, align 16
+  %a909 = alloca { ptr, i64, i64 }, align 16
+  %a913 = alloca { ptr, i64, i64 }, align 16
+  %a914 = alloca { ptr, i64, i64 }, align 16
+  %a915 = alloca { ptr, i64, i64 }, align 16
+  %a916 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
   %a930 = alloca { ptr, i64, i64 }, align 16
+  %a931 = alloca { ptr, i64, i64 }, align 16
+  %a932 = alloca { ptr, i64, i64 }, align 16
+  %a933 = alloca { ptr, i64, i64 }, align 16
+  %a935 = alloca { ptr, i64, i64 }, align 16
+  %a936 = alloca { ptr, i64, i64 }, align 16
+  %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a942 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
+  %a944 = alloca { ptr, i64, i64 }, align 16
+  %a945 = alloca { ptr, i64, i64 }, align 16
+  %a947 = alloca { ptr, i64, i64 }, align 16
+  %a948 = alloca { ptr, i64, i64 }, align 16
   %a949 = alloca { ptr, i64, i64 }, align 16
   %a950 = alloca { ptr, i64, i64 }, align 16
-  %a951 = alloca { ptr, i64, i64 }, align 16
-  %a953 = alloca { ptr, i64, i64 }, align 16
   %a954 = alloca { ptr, i64, i64 }, align 16
   %a955 = alloca { ptr, i64, i64 }, align 16
-  %a993 = alloca { ptr, i64, i64 }, align 16
-  %a994 = alloca { ptr, i64, i64 }, align 16
-  %a1012 = alloca %S.gen.FnSig, align 16
-  %a1013 = alloca %S.gen.FnSig, align 16
-  %a1023 = alloca i1, align 16
-  %a1030 = alloca i64, align 16
-  %a1096 = alloca %S.ast.Node, align 16
-  %a1097 = alloca %S.ast.Node, align 16
-  %a1099 = alloca %S.ast.Node, align 16
-  %a1138 = alloca { ptr, i64, i64 }, align 16
-  %a1139 = alloca { ptr, i64, i64 }, align 16
-  %a1152 = alloca i64, align 16
-  %a1165 = alloca %S.gen.Template, align 16
-  %a1166 = alloca %S.gen.Template, align 16
-  %a1168 = alloca %S.gen.Template, align 16
-  %a1196 = alloca %S.ast.Node, align 16
-  %a1197 = alloca %S.ast.Node, align 16
-  %a1199 = alloca %S.ast.Node, align 16
-  %a1229 = alloca { ptr, i64, i64 }, align 16
-  %a1230 = alloca { ptr, i64, i64 }, align 16
-  %a1243 = alloca i64, align 16
-  %a1283 = alloca %S.ast.Node, align 16
-  %a1284 = alloca %S.ast.Node, align 16
-  %a1286 = alloca %S.ast.Node, align 16
-  %a1298 = alloca %S.ast.Node, align 16
-  %a1299 = alloca %S.ast.Node, align 16
-  %a1301 = alloca %S.ast.Node, align 16
-  %a1314 = alloca i64, align 16
-  %a1334 = alloca %S.ast.Type, align 16
-  %a1335 = alloca %S.ast.Type, align 16
-  %a1337 = alloca %S.ast.Type, align 16
+  %a956 = alloca { ptr, i64, i64 }, align 16
+  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a961 = alloca { ptr, i64, i64 }, align 16
+  %a969 = alloca %S.ast.Type, align 16
+  %a974 = alloca i64, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
+  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a1007 = alloca { ptr, i64, i64 }, align 16
+  %a1008 = alloca { ptr, i64, i64 }, align 16
+  %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1011 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
+  %a1013 = alloca { ptr, i64, i64 }, align 16
+  %a1015 = alloca { ptr, i64, i64 }, align 16
+  %a1052 = alloca { ptr, i64, i64 }, align 16
+  %a1053 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca %S.gen.FnSig, align 16
+  %a1072 = alloca %S.gen.FnSig, align 16
+  %a1082 = alloca i1, align 16
+  %a1089 = alloca i64, align 16
+  %a1155 = alloca %S.ast.Node, align 16
+  %a1156 = alloca %S.ast.Node, align 16
+  %a1158 = alloca %S.ast.Node, align 16
+  %a1197 = alloca { ptr, i64, i64 }, align 16
+  %a1198 = alloca { ptr, i64, i64 }, align 16
+  %a1211 = alloca i64, align 16
+  %a1224 = alloca %S.gen.Template, align 16
+  %a1225 = alloca %S.gen.Template, align 16
+  %a1227 = alloca %S.gen.Template, align 16
+  %a1255 = alloca %S.ast.Node, align 16
+  %a1256 = alloca %S.ast.Node, align 16
+  %a1258 = alloca %S.ast.Node, align 16
+  %a1288 = alloca { ptr, i64, i64 }, align 16
+  %a1289 = alloca { ptr, i64, i64 }, align 16
+  %a1302 = alloca i64, align 16
+  %a1342 = alloca %S.ast.Node, align 16
+  %a1343 = alloca %S.ast.Node, align 16
+  %a1345 = alloca %S.ast.Node, align 16
+  %a1357 = alloca %S.ast.Node, align 16
+  %a1358 = alloca %S.ast.Node, align 16
+  %a1360 = alloca %S.ast.Node, align 16
+  %a1373 = alloca i64, align 16
+  %a1393 = alloca %S.ast.Type, align 16
+  %a1394 = alloca %S.ast.Type, align 16
+  %a1396 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3202, label %ok3203
-panic3202:
-  call void @finch_panic(ptr @.str.2063, i64 1296, ptr @.str.2064)
+  br i1 %t3, label %panic3420, label %ok3421
+panic3420:
+  call void @finch_panic(ptr @.str.2152, i64 1444, ptr @.str.2153)
   unreachable
-ok3203:
+ok3421:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 0
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
   %t6 = load i64, ptr %t5
   store i64 0, ptr %a7
-  br label %for.cond3204
-for.cond3204:
+  br label %for.cond3422
+for.cond3422:
   %t8 = load i64, ptr %a7
   %t9 = icmp slt i64 %t8, %t6
-  br i1 %t9, label %for.body3205, label %for.end3207
-for.body3205:
+  br i1 %t9, label %for.body3423, label %for.end3425
+for.body3423:
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic3208, label %ok3209
-panic3208:
-  call void @finch_panic(ptr @.str.2065, i64 1297, ptr @.str.2066)
+  br i1 %t11, label %panic3426, label %ok3427
+panic3426:
+  call void @finch_panic(ptr @.str.2154, i64 1445, ptr @.str.2155)
   unreachable
-ok3209:
+ok3427:
   %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 0
   %t13 = load i64, ptr %a7
   %t14 = load { ptr, i64, i64 }, ptr %t12
   %t15 = extractvalue { ptr, i64, i64 } %t14, 1
   %t16 = icmp uge i64 %t13, %t15
-  br i1 %t16, label %range3210, label %inrange3211
-range3210:
-  call void @finch_panic_index(ptr @.str.2067, i64 1297, i64 %t13, i64 %t15)
+  br i1 %t16, label %range3428, label %inrange3429
+range3428:
+  call void @finch_panic_index(ptr @.str.2156, i64 1445, i64 %t13, i64 %t15)
   unreachable
-inrange3211:
+inrange3429:
   %t17 = extractvalue { ptr, i64, i64 } %t14, 0
   %t18 = getelementptr inbounds %S.ast.Program, ptr %t17, i64 %t13
   %t19 = getelementptr inbounds %S.ast.Program, ptr %t18, i32 0, i32 0
   %t20 = load { ptr, i64, i64 }, ptr %t19
   %t21 = load ptr, ptr %a1
   %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic3212, label %ok3213
-panic3212:
-  call void @finch_panic(ptr @.str.2068, i64 1297, ptr @.str.2069)
+  br i1 %t22, label %panic3430, label %ok3431
+panic3430:
+  call void @finch_panic(ptr @.str.2157, i64 1445, ptr @.str.2158)
   unreachable
-ok3213:
-  %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 13
+ok3431:
+  %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 14
   store { ptr, i64, i64 } %t20, ptr %a24
   call void @finch_str_copy(ptr %a25, ptr %a24)
   %t26 = load { ptr, i64, i64 }, ptr %a25
+  %t27 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t26, ptr %t23
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic3214, label %ok3215
-panic3214:
-  call void @finch_panic(ptr @.str.2070, i64 1298, ptr @.str.2071)
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load ptr, ptr %a1
+  %t30 = icmp eq ptr %t29, null
+  br i1 %t30, label %panic3432, label %ok3433
+panic3432:
+  call void @finch_panic(ptr @.str.2159, i64 1446, ptr @.str.2160)
   unreachable
-ok3215:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 0
-  %t30 = load i64, ptr %a7
-  %t31 = load { ptr, i64, i64 }, ptr %t29
-  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
-  %t33 = icmp uge i64 %t30, %t32
-  br i1 %t33, label %range3216, label %inrange3217
-range3216:
-  call void @finch_panic_index(ptr @.str.2072, i64 1298, i64 %t30, i64 %t32)
+ok3433:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 0
+  %t32 = load i64, ptr %a7
+  %t33 = load { ptr, i64, i64 }, ptr %t31
+  %t34 = extractvalue { ptr, i64, i64 } %t33, 1
+  %t35 = icmp uge i64 %t32, %t34
+  br i1 %t35, label %range3434, label %inrange3435
+range3434:
+  call void @finch_panic_index(ptr @.str.2161, i64 1446, i64 %t32, i64 %t34)
   unreachable
-inrange3217:
-  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
-  %t35 = getelementptr inbounds %S.ast.Program, ptr %t34, i64 %t30
-  %t36 = getelementptr inbounds %S.ast.Program, ptr %t35, i32 0, i32 6
-  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
-  %t38 = load i64, ptr %t37
-  store i64 0, ptr %a39
-  br label %for.cond3218
-for.cond3218:
-  %t40 = load i64, ptr %a39
-  %t41 = icmp slt i64 %t40, %t38
-  br i1 %t41, label %for.body3219, label %for.end3221
-for.body3219:
-  %t42 = load ptr, ptr %a1
-  %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic3222, label %ok3223
-panic3222:
-  call void @finch_panic(ptr @.str.2073, i64 1299, ptr @.str.2074)
+inrange3435:
+  %t36 = extractvalue { ptr, i64, i64 } %t33, 0
+  %t37 = getelementptr inbounds %S.ast.Program, ptr %t36, i64 %t32
+  %t38 = getelementptr inbounds %S.ast.Program, ptr %t37, i32 0, i32 6
+  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i32 0, i32 1
+  %t40 = load i64, ptr %t39
+  store i64 0, ptr %a41
+  br label %for.cond3436
+for.cond3436:
+  %t42 = load i64, ptr %a41
+  %t43 = icmp slt i64 %t42, %t40
+  br i1 %t43, label %for.body3437, label %for.end3439
+for.body3437:
+  %t44 = load ptr, ptr %a1
+  %t45 = icmp eq ptr %t44, null
+  br i1 %t45, label %panic3440, label %ok3441
+panic3440:
+  call void @finch_panic(ptr @.str.2162, i64 1447, ptr @.str.2163)
   unreachable
-ok3223:
-  %t44 = getelementptr inbounds %S.gen.Gen, ptr %t42, i32 0, i32 0
-  %t45 = load i64, ptr %a7
-  %t46 = load { ptr, i64, i64 }, ptr %t44
-  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
-  %t48 = icmp uge i64 %t45, %t47
-  br i1 %t48, label %range3224, label %inrange3225
-range3224:
-  call void @finch_panic_index(ptr @.str.2075, i64 1299, i64 %t45, i64 %t47)
+ok3441:
+  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 0
+  %t47 = load i64, ptr %a7
+  %t48 = load { ptr, i64, i64 }, ptr %t46
+  %t49 = extractvalue { ptr, i64, i64 } %t48, 1
+  %t50 = icmp uge i64 %t47, %t49
+  br i1 %t50, label %range3442, label %inrange3443
+range3442:
+  call void @finch_panic_index(ptr @.str.2164, i64 1447, i64 %t47, i64 %t49)
   unreachable
-inrange3225:
-  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
-  %t50 = getelementptr inbounds %S.ast.Program, ptr %t49, i64 %t45
-  %t51 = getelementptr inbounds %S.ast.Program, ptr %t50, i32 0, i32 6
-  %t52 = load i64, ptr %a39
-  %t53 = load { ptr, i64, i64 }, ptr %t51
-  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
-  %t55 = icmp uge i64 %t52, %t54
-  br i1 %t55, label %range3226, label %inrange3227
-range3226:
-  call void @finch_panic_index(ptr @.str.2076, i64 1299, i64 %t52, i64 %t54)
+inrange3443:
+  %t51 = extractvalue { ptr, i64, i64 } %t48, 0
+  %t52 = getelementptr inbounds %S.ast.Program, ptr %t51, i64 %t47
+  %t53 = getelementptr inbounds %S.ast.Program, ptr %t52, i32 0, i32 6
+  %t54 = load i64, ptr %a41
+  %t55 = load { ptr, i64, i64 }, ptr %t53
+  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
+  %t57 = icmp uge i64 %t54, %t56
+  br i1 %t57, label %range3444, label %inrange3445
+range3444:
+  call void @finch_panic_index(ptr @.str.2165, i64 1447, i64 %t54, i64 %t56)
   unreachable
-inrange3227:
-  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
-  %t57 = getelementptr inbounds %S.ast.Node, ptr %t56, i64 %t52
-  %t58 = load %S.ast.Node, ptr %t57
-  store %S.ast.Node %t58, ptr %a59
-  call void @finch.copy.S_ast_Node(ptr %a60, ptr %a59)
-  %t61 = load %S.ast.Node, ptr %a60
-  store %S.ast.Node %t61, ptr %a62
-  %t63 = load ptr, ptr %a1
-  %t64 = load ptr, ptr %a1
-  %t65 = icmp eq ptr %t64, null
-  br i1 %t65, label %panic3228, label %ok3229
-panic3228:
-  call void @finch_panic(ptr @.str.2077, i64 1300, ptr @.str.2078)
+inrange3445:
+  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %t58, i64 %t54
+  %t60 = load %S.ast.Node, ptr %t59
+  store %S.ast.Node %t60, ptr %a61
+  call void @finch.copy.S_ast_Node(ptr %a62, ptr %a61)
+  %t63 = load %S.ast.Node, ptr %a62
+  store %S.ast.Node %t63, ptr %a64
+  %t65 = load ptr, ptr %a1
+  %t66 = load ptr, ptr %a1
+  %t67 = icmp eq ptr %t66, null
+  br i1 %t67, label %panic3446, label %ok3447
+panic3446:
+  call void @finch_panic(ptr @.str.2166, i64 1448, ptr @.str.2167)
   unreachable
-ok3229:
-  %t66 = getelementptr inbounds %S.gen.Gen, ptr %t64, i32 0, i32 13
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
+ok3447:
+  %t68 = getelementptr inbounds %S.gen.Gen, ptr %t66, i32 0, i32 14
   %t69 = load { ptr, i64, i64 }, ptr %t68
-  %t70 = call i64 @finch.gen.findStruct(ptr %t63, { ptr, i64, i64 } %t67, { ptr, i64, i64 } %t69)
-  %t71 = icmp sge i64 %t70, 0
-  br label %logic.from3230
-logic.from3230:
-  br i1 %t71, label %logic.end3232, label %logic.rhs3231
-logic.rhs3231:
-  %t72 = load ptr, ptr %a1
-  %t73 = load ptr, ptr %a1
-  %t74 = icmp eq ptr %t73, null
-  br i1 %t74, label %panic3233, label %ok3234
-panic3233:
-  call void @finch_panic(ptr @.str.2079, i64 1300, ptr @.str.2080)
+  %t70 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = call i64 @finch.gen.findStruct(ptr %t65, { ptr, i64, i64 } %t69, { ptr, i64, i64 } %t71)
+  %t73 = icmp sge i64 %t72, 0
+  br label %logic.from3448
+logic.from3448:
+  br i1 %t73, label %logic.end3450, label %logic.rhs3449
+logic.rhs3449:
+  %t74 = load ptr, ptr %a1
+  %t75 = load ptr, ptr %a1
+  %t76 = icmp eq ptr %t75, null
+  br i1 %t76, label %panic3451, label %ok3452
+panic3451:
+  call void @finch_panic(ptr @.str.2168, i64 1448, ptr @.str.2169)
   unreachable
-ok3234:
-  %t75 = getelementptr inbounds %S.gen.Gen, ptr %t73, i32 0, i32 13
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  %t77 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
+ok3452:
+  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 14
   %t78 = load { ptr, i64, i64 }, ptr %t77
-  %t79 = call i64 @finch.gen.findTemplate(ptr %t72, { ptr, i64, i64 } %t76, { ptr, i64, i64 } %t78, { ptr, i64, i64 } { ptr @.str.2081, i64 0, i64 0 }, i1 true)
-  %t80 = icmp sge i64 %t79, 0
-  br label %logic.rend3235
-logic.rend3235:
-  br label %logic.end3232
-logic.end3232:
-  %t81 = phi i1 [ true, %logic.from3230 ], [ %t80, %logic.rend3235 ]
-  br i1 %t81, label %then3236, label %endif3238
-then3236:
-  %t82 = load ptr, ptr %a1
-  %t83 = load %S.ast.Node, ptr %a62
-  %t84 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } { ptr @.str.2082, i64 12, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.2083, i64 18, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.fail(ptr %t82, %S.ast.Node %t83, { ptr, i64, i64 } %t93)
-  br label %endif3238
-endif3238:
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 3
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  %t97 = icmp sgt i64 %t96, 0
-  br i1 %t97, label %then3239, label %endif3241
-then3239:
-  %t98 = load ptr, ptr %a1
-  %t99 = icmp eq ptr %t98, null
-  br i1 %t99, label %panic3242, label %ok3243
-panic3242:
-  call void @finch_panic(ptr @.str.2084, i64 1305, ptr @.str.2085)
-  unreachable
-ok3243:
-  %t100 = getelementptr inbounds %S.gen.Gen, ptr %t98, i32 0, i32 16
-  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i32 0, i32 1
+  %t79 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  %t81 = call i64 @finch.gen.findTemplate(ptr %t74, { ptr, i64, i64 } %t78, { ptr, i64, i64 } %t80, { ptr, i64, i64 } { ptr @.str.2170, i64 0, i64 0 }, i1 true)
+  %t82 = icmp sge i64 %t81, 0
+  br label %logic.rend3453
+logic.rend3453:
+  br label %logic.end3450
+logic.end3450:
+  %t83 = phi i1 [ true, %logic.from3448 ], [ %t82, %logic.rend3453 ]
+  br i1 %t83, label %then3454, label %endif3456
+then3454:
+  %t84 = load ptr, ptr %a1
+  %t85 = load %S.ast.Node, ptr %a64
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  store { ptr, i64, i64 } { ptr @.str.2171, i64 12, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.2172, i64 18, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  call void @finch.gen.fail(ptr %t84, %S.ast.Node %t85, { ptr, i64, i64 } %t96)
+  store { ptr, i64, i64 } %t96, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  br label %endif3456
+endif3456:
+  %t98 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 3
+  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
+  %t100 = load i64, ptr %t99
+  %t101 = icmp sgt i64 %t100, 0
+  br i1 %t101, label %then3457, label %endif3459
+then3457:
   %t102 = load ptr, ptr %a1
   %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic3244, label %ok3245
-panic3244:
-  call void @finch_panic(ptr @.str.2086, i64 1305, ptr @.str.2087)
+  br i1 %t103, label %panic3460, label %ok3461
+panic3460:
+  call void @finch_panic(ptr @.str.2173, i64 1453, ptr @.str.2174)
   unreachable
-ok3245:
-  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 13
-  %t105 = load { ptr, i64, i64 }, ptr %t104
-  store { ptr, i64, i64 } %t105, ptr %a106
-  call void @finch_str_copy(ptr %a107, ptr %a106)
-  %t108 = load { ptr, i64, i64 }, ptr %a107
-  %t109 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t108, 0
-  %t110 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  call void @finch_str_copy(ptr %a113, ptr %a112)
-  %t114 = load { ptr, i64, i64 }, ptr %a113
-  %t115 = insertvalue %S.gen.Template %t109, { ptr, i64, i64 } %t114, 1
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 3
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  call void @finch.copy.arr_str(ptr %a119, ptr %a118)
-  %t120 = load { ptr, i64, i64 }, ptr %a119
-  %t121 = insertvalue %S.gen.Template %t115, { ptr, i64, i64 } %t120, 3
-  %t122 = load i64, ptr %a7
-  %t123 = insertvalue %S.gen.Template %t121, i64 %t122, 4
-  %t124 = load i64, ptr %a39
-  %t125 = insertvalue %S.gen.Template %t123, i64 %t124, 5
-  %t126 = insertvalue %S.gen.Template %t125, i1 true, 6
-  %t127 = load i64, ptr %t101
-  %t128 = add i64 %t127, 1
-  call void @finch_arr_reserve(ptr %t100, i64 %t128, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
-  %t129 = load ptr, ptr %t100
-  %t130 = getelementptr inbounds %S.gen.Template, ptr %t129, i64 %t127
-  store %S.gen.Template %t126, ptr %t130
-  store i64 %t128, ptr %t101
-  br label %for.step3220
-endif3241:
-  %t131 = load ptr, ptr %a1
-  %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic3246, label %ok3247
-panic3246:
-  call void @finch_panic(ptr @.str.2088, i64 1308, ptr @.str.2089)
+ok3461:
+  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 17
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t106 = load ptr, ptr %a1
+  %t107 = icmp eq ptr %t106, null
+  br i1 %t107, label %panic3462, label %ok3463
+panic3462:
+  call void @finch_panic(ptr @.str.2175, i64 1453, ptr @.str.2176)
   unreachable
-ok3247:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 15
-  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+ok3463:
+  %t108 = getelementptr inbounds %S.gen.Gen, ptr %t106, i32 0, i32 14
+  %t109 = load { ptr, i64, i64 }, ptr %t108
+  store { ptr, i64, i64 } %t109, ptr %a110
+  call void @finch_str_copy(ptr %a111, ptr %a110)
+  %t112 = load { ptr, i64, i64 }, ptr %a111
+  %t113 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t112, 0
+  %t114 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } %t115, ptr %a116
+  call void @finch_str_copy(ptr %a117, ptr %a116)
+  %t118 = load { ptr, i64, i64 }, ptr %a117
+  %t119 = insertvalue %S.gen.Template %t113, { ptr, i64, i64 } %t118, 1
+  %t120 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 3
+  %t121 = load { ptr, i64, i64 }, ptr %t120
+  store { ptr, i64, i64 } %t121, ptr %a122
+  call void @finch.copy.arr_str(ptr %a123, ptr %a122)
+  %t124 = load { ptr, i64, i64 }, ptr %a123
+  %t125 = insertvalue %S.gen.Template %t119, { ptr, i64, i64 } %t124, 3
+  %t126 = load i64, ptr %a7
+  %t127 = insertvalue %S.gen.Template %t125, i64 %t126, 4
+  %t128 = load i64, ptr %a41
+  %t129 = insertvalue %S.gen.Template %t127, i64 %t128, 5
+  %t130 = insertvalue %S.gen.Template %t129, i1 true, 6
+  %t131 = load i64, ptr %t105
+  %t132 = add i64 %t131, 1
+  call void @finch_arr_reserve(ptr %t104, i64 %t132, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
+  %t133 = load ptr, ptr %t104
+  %t134 = getelementptr inbounds %S.gen.Template, ptr %t133, i64 %t131
+  store %S.gen.Template %t130, ptr %t134
+  store i64 %t132, ptr %t105
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  br label %for.step3438
+endif3459:
   %t135 = load ptr, ptr %a1
   %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic3248, label %ok3249
-panic3248:
-  call void @finch_panic(ptr @.str.2090, i64 1308, ptr @.str.2091)
+  br i1 %t136, label %panic3464, label %ok3465
+panic3464:
+  call void @finch_panic(ptr @.str.2177, i64 1456, ptr @.str.2178)
   unreachable
-ok3249:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 13
-  %t138 = load { ptr, i64, i64 }, ptr %t137
-  store { ptr, i64, i64 } %t138, ptr %a139
-  call void @finch_str_copy(ptr %a140, ptr %a139)
-  %t141 = load { ptr, i64, i64 }, ptr %a140
-  %t142 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t141, 0
-  %t143 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  call void @finch_str_copy(ptr %a146, ptr %a145)
-  %t147 = load { ptr, i64, i64 }, ptr %a146
-  %t148 = insertvalue %S.gen.StructDef %t142, { ptr, i64, i64 } %t147, 1
-  %t149 = load i64, ptr %a7
-  %t150 = insertvalue %S.gen.StructDef %t148, i64 %t149, 13
-  %t151 = load i64, ptr %a39
-  %t152 = insertvalue %S.gen.StructDef %t150, i64 %t151, 14
-  %t153 = load i64, ptr %t134
-  %t154 = add i64 %t153, 1
-  call void @finch_arr_reserve(ptr %t133, i64 %t154, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
-  %t155 = load ptr, ptr %t133
-  %t156 = getelementptr inbounds %S.gen.StructDef, ptr %t155, i64 %t153
-  store %S.gen.StructDef %t152, ptr %t156
-  store i64 %t154, ptr %t134
-  br label %for.step3220
-for.step3220:
-  %t157 = load i64, ptr %a39
+ok3465:
+  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 16
+  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
+  %t139 = load ptr, ptr %a1
+  %t140 = icmp eq ptr %t139, null
+  br i1 %t140, label %panic3466, label %ok3467
+panic3466:
+  call void @finch_panic(ptr @.str.2179, i64 1456, ptr @.str.2180)
+  unreachable
+ok3467:
+  %t141 = getelementptr inbounds %S.gen.Gen, ptr %t139, i32 0, i32 14
+  %t142 = load { ptr, i64, i64 }, ptr %t141
+  store { ptr, i64, i64 } %t142, ptr %a143
+  call void @finch_str_copy(ptr %a144, ptr %a143)
+  %t145 = load { ptr, i64, i64 }, ptr %a144
+  %t146 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t145, 0
+  %t147 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch_str_copy(ptr %a150, ptr %a149)
+  %t151 = load { ptr, i64, i64 }, ptr %a150
+  %t152 = insertvalue %S.gen.StructDef %t146, { ptr, i64, i64 } %t151, 1
+  %t153 = load i64, ptr %a7
+  %t154 = insertvalue %S.gen.StructDef %t152, i64 %t153, 13
+  %t155 = load i64, ptr %a41
+  %t156 = insertvalue %S.gen.StructDef %t154, i64 %t155, 14
+  %t157 = load i64, ptr %t138
   %t158 = add i64 %t157, 1
-  store i64 %t158, ptr %a39
-  br label %for.cond3218
-for.end3221:
-  br label %for.step3206
-for.step3206:
-  %t159 = load i64, ptr %a7
-  %t160 = add i64 %t159, 1
-  store i64 %t160, ptr %a7
-  br label %for.cond3204
-for.end3207:
-  %t161 = load ptr, ptr %a1
-  %t162 = icmp eq ptr %t161, null
-  br i1 %t162, label %panic3250, label %ok3251
-panic3250:
-  call void @finch_panic(ptr @.str.2092, i64 1311, ptr @.str.2093)
+  call void @finch_arr_reserve(ptr %t137, i64 %t158, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
+  %t159 = load ptr, ptr %t137
+  %t160 = getelementptr inbounds %S.gen.StructDef, ptr %t159, i64 %t157
+  store %S.gen.StructDef %t156, ptr %t160
+  store i64 %t158, ptr %t138
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  br label %for.step3438
+for.step3438:
+  %t161 = load i64, ptr %a41
+  %t162 = add i64 %t161, 1
+  store i64 %t162, ptr %a41
+  br label %for.cond3436
+for.end3439:
+  br label %for.step3424
+for.step3424:
+  %t163 = load i64, ptr %a7
+  %t164 = add i64 %t163, 1
+  store i64 %t164, ptr %a7
+  br label %for.cond3422
+for.end3425:
+  %t165 = load ptr, ptr %a1
+  %t166 = icmp eq ptr %t165, null
+  br i1 %t166, label %panic3468, label %ok3469
+panic3468:
+  call void @finch_panic(ptr @.str.2181, i64 1459, ptr @.str.2182)
   unreachable
-ok3251:
-  %t163 = getelementptr inbounds %S.gen.Gen, ptr %t161, i32 0, i32 0
-  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i32 0, i32 1
-  %t165 = load i64, ptr %t164
-  store i64 0, ptr %a166
-  br label %for.cond3252
-for.cond3252:
-  %t167 = load i64, ptr %a166
-  %t168 = icmp slt i64 %t167, %t165
-  br i1 %t168, label %for.body3253, label %for.end3255
-for.body3253:
-  %t169 = load ptr, ptr %a1
-  %t170 = icmp eq ptr %t169, null
-  br i1 %t170, label %panic3256, label %ok3257
-panic3256:
-  call void @finch_panic(ptr @.str.2094, i64 1312, ptr @.str.2095)
+ok3469:
+  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 0
+  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
+  %t169 = load i64, ptr %t168
+  store i64 0, ptr %a170
+  br label %for.cond3470
+for.cond3470:
+  %t171 = load i64, ptr %a170
+  %t172 = icmp slt i64 %t171, %t169
+  br i1 %t172, label %for.body3471, label %for.end3473
+for.body3471:
+  %t173 = load ptr, ptr %a1
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic3474, label %ok3475
+panic3474:
+  call void @finch_panic(ptr @.str.2183, i64 1460, ptr @.str.2184)
   unreachable
-ok3257:
-  %t171 = getelementptr inbounds %S.gen.Gen, ptr %t169, i32 0, i32 0
-  %t172 = load i64, ptr %a166
-  %t173 = load { ptr, i64, i64 }, ptr %t171
-  %t174 = extractvalue { ptr, i64, i64 } %t173, 1
-  %t175 = icmp uge i64 %t172, %t174
-  br i1 %t175, label %range3258, label %inrange3259
-range3258:
-  call void @finch_panic_index(ptr @.str.2096, i64 1312, i64 %t172, i64 %t174)
+ok3475:
+  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 0
+  %t176 = load i64, ptr %a170
+  %t177 = load { ptr, i64, i64 }, ptr %t175
+  %t178 = extractvalue { ptr, i64, i64 } %t177, 1
+  %t179 = icmp uge i64 %t176, %t178
+  br i1 %t179, label %range3476, label %inrange3477
+range3476:
+  call void @finch_panic_index(ptr @.str.2185, i64 1460, i64 %t176, i64 %t178)
   unreachable
-inrange3259:
-  %t176 = extractvalue { ptr, i64, i64 } %t173, 0
-  %t177 = getelementptr inbounds %S.ast.Program, ptr %t176, i64 %t172
-  %t178 = getelementptr inbounds %S.ast.Program, ptr %t177, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
-  %t180 = load ptr, ptr %a1
-  %t181 = icmp eq ptr %t180, null
-  br i1 %t181, label %panic3260, label %ok3261
-panic3260:
-  call void @finch_panic(ptr @.str.2097, i64 1312, ptr @.str.2098)
+inrange3477:
+  %t180 = extractvalue { ptr, i64, i64 } %t177, 0
+  %t181 = getelementptr inbounds %S.ast.Program, ptr %t180, i64 %t176
+  %t182 = getelementptr inbounds %S.ast.Program, ptr %t181, i32 0, i32 0
+  %t183 = load { ptr, i64, i64 }, ptr %t182
+  %t184 = load ptr, ptr %a1
+  %t185 = icmp eq ptr %t184, null
+  br i1 %t185, label %panic3478, label %ok3479
+panic3478:
+  call void @finch_panic(ptr @.str.2186, i64 1460, ptr @.str.2187)
   unreachable
-ok3261:
-  %t182 = getelementptr inbounds %S.gen.Gen, ptr %t180, i32 0, i32 13
-  store { ptr, i64, i64 } %t179, ptr %a183
-  call void @finch_str_copy(ptr %a184, ptr %a183)
-  %t185 = load { ptr, i64, i64 }, ptr %a184
-  store { ptr, i64, i64 } %t185, ptr %t182
-  %t186 = load ptr, ptr %a1
-  %t187 = icmp eq ptr %t186, null
-  br i1 %t187, label %panic3262, label %ok3263
-panic3262:
-  call void @finch_panic(ptr @.str.2099, i64 1313, ptr @.str.2100)
+ok3479:
+  %t186 = getelementptr inbounds %S.gen.Gen, ptr %t184, i32 0, i32 14
+  store { ptr, i64, i64 } %t183, ptr %a187
+  call void @finch_str_copy(ptr %a188, ptr %a187)
+  %t189 = load { ptr, i64, i64 }, ptr %a188
+  %t190 = load { ptr, i64, i64 }, ptr %t186
+  store { ptr, i64, i64 } %t189, ptr %t186
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load ptr, ptr %a1
+  %t193 = icmp eq ptr %t192, null
+  br i1 %t193, label %panic3480, label %ok3481
+panic3480:
+  call void @finch_panic(ptr @.str.2188, i64 1461, ptr @.str.2189)
   unreachable
-ok3263:
-  %t188 = getelementptr inbounds %S.gen.Gen, ptr %t186, i32 0, i32 0
-  %t189 = load i64, ptr %a166
-  %t190 = load { ptr, i64, i64 }, ptr %t188
-  %t191 = extractvalue { ptr, i64, i64 } %t190, 1
-  %t192 = icmp uge i64 %t189, %t191
-  br i1 %t192, label %range3264, label %inrange3265
-range3264:
-  call void @finch_panic_index(ptr @.str.2101, i64 1313, i64 %t189, i64 %t191)
+ok3481:
+  %t194 = getelementptr inbounds %S.gen.Gen, ptr %t192, i32 0, i32 0
+  %t195 = load i64, ptr %a170
+  %t196 = load { ptr, i64, i64 }, ptr %t194
+  %t197 = extractvalue { ptr, i64, i64 } %t196, 1
+  %t198 = icmp uge i64 %t195, %t197
+  br i1 %t198, label %range3482, label %inrange3483
+range3482:
+  call void @finch_panic_index(ptr @.str.2190, i64 1461, i64 %t195, i64 %t197)
   unreachable
-inrange3265:
-  %t193 = extractvalue { ptr, i64, i64 } %t190, 0
-  %t194 = getelementptr inbounds %S.ast.Program, ptr %t193, i64 %t189
-  %t195 = getelementptr inbounds %S.ast.Program, ptr %t194, i32 0, i32 7
-  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %t195, i32 0, i32 1
-  %t197 = load i64, ptr %t196
-  store i64 0, ptr %a198
-  br label %for.cond3266
-for.cond3266:
-  %t199 = load i64, ptr %a198
-  %t200 = icmp slt i64 %t199, %t197
-  br i1 %t200, label %for.body3267, label %for.end3269
-for.body3267:
-  %t201 = load ptr, ptr %a1
-  %t202 = icmp eq ptr %t201, null
-  br i1 %t202, label %panic3270, label %ok3271
-panic3270:
-  call void @finch_panic(ptr @.str.2102, i64 1314, ptr @.str.2103)
+inrange3483:
+  %t199 = extractvalue { ptr, i64, i64 } %t196, 0
+  %t200 = getelementptr inbounds %S.ast.Program, ptr %t199, i64 %t195
+  %t201 = getelementptr inbounds %S.ast.Program, ptr %t200, i32 0, i32 7
+  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i32 0, i32 1
+  %t203 = load i64, ptr %t202
+  store i64 0, ptr %a204
+  br label %for.cond3484
+for.cond3484:
+  %t205 = load i64, ptr %a204
+  %t206 = icmp slt i64 %t205, %t203
+  br i1 %t206, label %for.body3485, label %for.end3487
+for.body3485:
+  %t207 = load ptr, ptr %a1
+  %t208 = icmp eq ptr %t207, null
+  br i1 %t208, label %panic3488, label %ok3489
+panic3488:
+  call void @finch_panic(ptr @.str.2191, i64 1462, ptr @.str.2192)
   unreachable
-ok3271:
-  %t203 = getelementptr inbounds %S.gen.Gen, ptr %t201, i32 0, i32 0
-  %t204 = load i64, ptr %a166
-  %t205 = load { ptr, i64, i64 }, ptr %t203
-  %t206 = extractvalue { ptr, i64, i64 } %t205, 1
-  %t207 = icmp uge i64 %t204, %t206
-  br i1 %t207, label %range3272, label %inrange3273
-range3272:
-  call void @finch_panic_index(ptr @.str.2104, i64 1314, i64 %t204, i64 %t206)
+ok3489:
+  %t209 = getelementptr inbounds %S.gen.Gen, ptr %t207, i32 0, i32 0
+  %t210 = load i64, ptr %a170
+  %t211 = load { ptr, i64, i64 }, ptr %t209
+  %t212 = extractvalue { ptr, i64, i64 } %t211, 1
+  %t213 = icmp uge i64 %t210, %t212
+  br i1 %t213, label %range3490, label %inrange3491
+range3490:
+  call void @finch_panic_index(ptr @.str.2193, i64 1462, i64 %t210, i64 %t212)
   unreachable
-inrange3273:
-  %t208 = extractvalue { ptr, i64, i64 } %t205, 0
-  %t209 = getelementptr inbounds %S.ast.Program, ptr %t208, i64 %t204
-  %t210 = getelementptr inbounds %S.ast.Program, ptr %t209, i32 0, i32 7
-  %t211 = load i64, ptr %a198
-  %t212 = load { ptr, i64, i64 }, ptr %t210
-  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
-  %t214 = icmp uge i64 %t211, %t213
-  br i1 %t214, label %range3274, label %inrange3275
-range3274:
-  call void @finch_panic_index(ptr @.str.2105, i64 1314, i64 %t211, i64 %t213)
+inrange3491:
+  %t214 = extractvalue { ptr, i64, i64 } %t211, 0
+  %t215 = getelementptr inbounds %S.ast.Program, ptr %t214, i64 %t210
+  %t216 = getelementptr inbounds %S.ast.Program, ptr %t215, i32 0, i32 7
+  %t217 = load i64, ptr %a204
+  %t218 = load { ptr, i64, i64 }, ptr %t216
+  %t219 = extractvalue { ptr, i64, i64 } %t218, 1
+  %t220 = icmp uge i64 %t217, %t219
+  br i1 %t220, label %range3492, label %inrange3493
+range3492:
+  call void @finch_panic_index(ptr @.str.2194, i64 1462, i64 %t217, i64 %t219)
   unreachable
-inrange3275:
-  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
-  %t216 = getelementptr inbounds %S.ast.Node, ptr %t215, i64 %t211
-  %t217 = load %S.ast.Node, ptr %t216
-  store %S.ast.Node %t217, ptr %a218
-  call void @finch.copy.S_ast_Node(ptr %a219, ptr %a218)
-  %t220 = load %S.ast.Node, ptr %a219
-  store %S.ast.Node %t220, ptr %a221
-  %t222 = load ptr, ptr %a1
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic3276, label %ok3277
-panic3276:
-  call void @finch_panic(ptr @.str.2106, i64 1315, ptr @.str.2107)
+inrange3493:
+  %t221 = extractvalue { ptr, i64, i64 } %t218, 0
+  %t222 = getelementptr inbounds %S.ast.Node, ptr %t221, i64 %t217
+  %t223 = load %S.ast.Node, ptr %t222
+  store %S.ast.Node %t223, ptr %a224
+  call void @finch.copy.S_ast_Node(ptr %a225, ptr %a224)
+  %t226 = load %S.ast.Node, ptr %a225
+  store %S.ast.Node %t226, ptr %a227
+  %t228 = load ptr, ptr %a1
+  %t229 = load ptr, ptr %a1
+  %t230 = icmp eq ptr %t229, null
+  br i1 %t230, label %panic3494, label %ok3495
+panic3494:
+  call void @finch_panic(ptr @.str.2195, i64 1463, ptr @.str.2196)
   unreachable
-ok3277:
-  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 13
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  %t227 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t228 = load { ptr, i64, i64 }, ptr %t227
-  %t229 = call i64 @finch.gen.findEnum(ptr %t222, { ptr, i64, i64 } %t226, { ptr, i64, i64 } %t228)
-  %t230 = icmp sge i64 %t229, 0
-  br label %logic.from3278
-logic.from3278:
-  br i1 %t230, label %logic.end3280, label %logic.rhs3279
-logic.rhs3279:
-  %t231 = load ptr, ptr %a1
-  %t232 = load ptr, ptr %a1
-  %t233 = icmp eq ptr %t232, null
-  br i1 %t233, label %panic3281, label %ok3282
-panic3281:
-  call void @finch_panic(ptr @.str.2108, i64 1315, ptr @.str.2109)
+ok3495:
+  %t231 = getelementptr inbounds %S.gen.Gen, ptr %t229, i32 0, i32 14
+  %t232 = load { ptr, i64, i64 }, ptr %t231
+  %t233 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t234 = load { ptr, i64, i64 }, ptr %t233
+  %t235 = call i64 @finch.gen.findEnum(ptr %t228, { ptr, i64, i64 } %t232, { ptr, i64, i64 } %t234)
+  %t236 = icmp sge i64 %t235, 0
+  br label %logic.from3496
+logic.from3496:
+  br i1 %t236, label %logic.end3498, label %logic.rhs3497
+logic.rhs3497:
+  %t237 = load ptr, ptr %a1
+  %t238 = load ptr, ptr %a1
+  %t239 = icmp eq ptr %t238, null
+  br i1 %t239, label %panic3499, label %ok3500
+panic3499:
+  call void @finch_panic(ptr @.str.2197, i64 1463, ptr @.str.2198)
   unreachable
-ok3282:
-  %t234 = getelementptr inbounds %S.gen.Gen, ptr %t232, i32 0, i32 13
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  %t236 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t237 = load { ptr, i64, i64 }, ptr %t236
-  %t238 = call i64 @finch.gen.findStruct(ptr %t231, { ptr, i64, i64 } %t235, { ptr, i64, i64 } %t237)
-  %t239 = icmp sge i64 %t238, 0
-  br label %logic.rend3283
-logic.rend3283:
-  br label %logic.end3280
-logic.end3280:
-  %t240 = phi i1 [ true, %logic.from3278 ], [ %t239, %logic.rend3283 ]
-  br i1 %t240, label %then3284, label %endif3286
-then3284:
-  %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Node, ptr %a221
-  %t243 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t244 = load { ptr, i64, i64 }, ptr %t243
-  store { ptr, i64, i64 } { ptr @.str.2110, i64 1, i64 0 }, ptr %a246
-  store { ptr, i64, i64 } %t244, ptr %a247
-  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
-  %t248 = load { ptr, i64, i64 }, ptr %a245
-  store { ptr, i64, i64 } %t248, ptr %a250
-  store { ptr, i64, i64 } { ptr @.str.2111, i64 18, i64 0 }, ptr %a251
-  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  call void @finch.gen.fail(ptr %t241, %S.ast.Node %t242, { ptr, i64, i64 } %t252)
-  br label %endif3286
-endif3286:
-  %t253 = load ptr, ptr %a1
-  %t254 = icmp eq ptr %t253, null
-  br i1 %t254, label %panic3287, label %ok3288
-panic3287:
-  call void @finch_panic(ptr @.str.2112, i64 1318, ptr @.str.2113)
+ok3500:
+  %t240 = getelementptr inbounds %S.gen.Gen, ptr %t238, i32 0, i32 14
+  %t241 = load { ptr, i64, i64 }, ptr %t240
+  %t242 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t243 = load { ptr, i64, i64 }, ptr %t242
+  %t244 = call i64 @finch.gen.findStruct(ptr %t237, { ptr, i64, i64 } %t241, { ptr, i64, i64 } %t243)
+  %t245 = icmp sge i64 %t244, 0
+  br label %logic.rend3501
+logic.rend3501:
+  br label %logic.end3498
+logic.end3498:
+  %t246 = phi i1 [ true, %logic.from3496 ], [ %t245, %logic.rend3501 ]
+  br i1 %t246, label %then3502, label %endif3504
+then3502:
+  %t247 = load ptr, ptr %a1
+  %t248 = load %S.ast.Node, ptr %a227
+  %t249 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  store { ptr, i64, i64 } { ptr @.str.2199, i64 1, i64 0 }, ptr %a252
+  store { ptr, i64, i64 } %t250, ptr %a253
+  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a251
+  store { ptr, i64, i64 } %t254, ptr %a256
+  store { ptr, i64, i64 } { ptr @.str.2200, i64 18, i64 0 }, ptr %a257
+  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
+  store { ptr, i64, i64 } %t254, ptr %a258
+  call void @finch_str_drop(ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a255
+  call void @finch.gen.fail(ptr %t247, %S.ast.Node %t248, { ptr, i64, i64 } %t259)
+  store { ptr, i64, i64 } %t259, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  br label %endif3504
+endif3504:
+  %t261 = load ptr, ptr %a1
+  %t262 = icmp eq ptr %t261, null
+  br i1 %t262, label %panic3505, label %ok3506
+panic3505:
+  call void @finch_panic(ptr @.str.2201, i64 1466, ptr @.str.2202)
   unreachable
-ok3288:
-  %t255 = getelementptr inbounds %S.gen.Gen, ptr %t253, i32 0, i32 13
-  %t256 = load { ptr, i64, i64 }, ptr %t255
-  store { ptr, i64, i64 } %t256, ptr %a257
-  call void @finch_str_copy(ptr %a258, ptr %a257)
-  %t259 = load { ptr, i64, i64 }, ptr %a258
-  %t260 = insertvalue %S.gen.EnumDef zeroinitializer, { ptr, i64, i64 } %t259, 0
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t262 = load { ptr, i64, i64 }, ptr %t261
-  store { ptr, i64, i64 } %t262, ptr %a263
-  call void @finch_str_copy(ptr %a264, ptr %a263)
-  %t265 = load { ptr, i64, i64 }, ptr %a264
-  %t266 = insertvalue %S.gen.EnumDef %t260, { ptr, i64, i64 } %t265, 1
-  store %S.gen.EnumDef %t266, ptr %a267
-  store i64 0, ptr %a268
-  %t269 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 9
-  store i64 0, ptr %a270
-  br label %each.cond3289
-each.cond3289:
-  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i32 0, i32 1
-  %t272 = load i64, ptr %t271
-  %t273 = load i64, ptr %a270
-  %t274 = icmp slt i64 %t273, %t272
-  br i1 %t274, label %each.body3290, label %each.end3292
-each.body3290:
-  %t275 = load ptr, ptr %t269
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %t275, i64 %t273
-  %t277 = load %S.ast.Node, ptr %t276
-  store %S.ast.Node %t277, ptr %a278
-  %t279 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 4
-  %t280 = getelementptr inbounds { ptr, i64, i64 }, ptr %t279, i32 0, i32 1
-  %t281 = load i64, ptr %t280
-  %t282 = icmp sgt i64 %t281, 0
-  br i1 %t282, label %then3293, label %endif3295
-then3293:
-  %t283 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 4
-  %t284 = load { ptr, i64, i64 }, ptr %t283
-  store { ptr, i64, i64 } %t284, ptr %a285
-  %t286 = call i64 @finch_str_to_int(ptr %a285, ptr @.str.2114, i64 1322)
-  store i64 %t286, ptr %a268
-  br label %endif3295
-endif3295:
-  %t287 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 2
+ok3506:
+  %t263 = getelementptr inbounds %S.gen.Gen, ptr %t261, i32 0, i32 14
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  store { ptr, i64, i64 } %t264, ptr %a265
+  call void @finch_str_copy(ptr %a266, ptr %a265)
+  %t267 = load { ptr, i64, i64 }, ptr %a266
+  %t268 = insertvalue %S.gen.EnumDef zeroinitializer, { ptr, i64, i64 } %t267, 0
+  %t269 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t270 = load { ptr, i64, i64 }, ptr %t269
+  store { ptr, i64, i64 } %t270, ptr %a271
+  call void @finch_str_copy(ptr %a272, ptr %a271)
+  %t273 = load { ptr, i64, i64 }, ptr %a272
+  %t274 = insertvalue %S.gen.EnumDef %t268, { ptr, i64, i64 } %t273, 1
+  store %S.gen.EnumDef %t274, ptr %a275
+  store i64 0, ptr %a276
+  %t277 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 9
+  store i64 0, ptr %a278
+  br label %each.cond3507
+each.cond3507:
+  %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t277, i32 0, i32 1
+  %t280 = load i64, ptr %t279
+  %t281 = load i64, ptr %a278
+  %t282 = icmp slt i64 %t281, %t280
+  br i1 %t282, label %each.body3508, label %each.end3510
+each.body3508:
+  %t283 = load ptr, ptr %t277
+  %t284 = getelementptr inbounds %S.ast.Node, ptr %t283, i64 %t281
+  %t285 = load %S.ast.Node, ptr %t284
+  store %S.ast.Node %t285, ptr %a286
+  %t287 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 4
   %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i32 0, i32 1
-  %t289 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 1
-  %t290 = load { ptr, i64, i64 }, ptr %t289
-  store i64 -1, ptr %a291
-  %t292 = load i64, ptr %t288
-  %t293 = load ptr, ptr %t287
-  store i64 0, ptr %a294
-  br label %find.cond3296
-find.cond3296:
-  %t295 = load i64, ptr %a294
-  %t296 = icmp slt i64 %t295, %t292
-  br i1 %t296, label %find.body3297, label %find.end3300
-find.body3297:
-  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t293, i64 %t295
+  %t289 = load i64, ptr %t288
+  %t290 = icmp sgt i64 %t289, 0
+  br i1 %t290, label %then3511, label %endif3513
+then3511:
+  %t291 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 4
+  %t292 = load { ptr, i64, i64 }, ptr %t291
+  store { ptr, i64, i64 } %t292, ptr %a293
+  %t294 = call i64 @finch_str_to_int(ptr %a293, ptr @.str.2203, i64 1470)
+  store i64 %t294, ptr %a276
+  br label %endif3513
+endif3513:
+  %t295 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 2
+  %t296 = getelementptr inbounds { ptr, i64, i64 }, ptr %t295, i32 0, i32 1
+  %t297 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 1
   %t298 = load { ptr, i64, i64 }, ptr %t297
-  store { ptr, i64, i64 } %t298, ptr %a299
-  store { ptr, i64, i64 } %t290, ptr %a300
-  %t301 = call i32 @finch_str_eq(ptr %a299, ptr %a300)
-  %t302 = icmp ne i32 %t301, 0
-  br i1 %t302, label %find.hit3298, label %find.next3299
-find.hit3298:
-  store i64 %t295, ptr %a291
-  br label %find.end3300
-find.next3299:
-  %t303 = add i64 %t295, 1
-  store i64 %t303, ptr %a294
-  br label %find.cond3296
-find.end3300:
-  %t304 = load i64, ptr %a291
-  %t305 = icmp sge i64 %t304, 0
-  br i1 %t305, label %then3301, label %endif3303
-then3301:
-  %t306 = load ptr, ptr %a1
-  %t307 = load %S.ast.Node, ptr %a278
-  %t308 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t309 = load { ptr, i64, i64 }, ptr %t308
-  store { ptr, i64, i64 } { ptr @.str.2115, i64 9, i64 0 }, ptr %a311
-  store { ptr, i64, i64 } %t309, ptr %a312
-  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
-  %t313 = load { ptr, i64, i64 }, ptr %a310
-  store { ptr, i64, i64 } %t313, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.2116, i64 17, i64 0 }, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  %t318 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 1
-  %t319 = load { ptr, i64, i64 }, ptr %t318
-  store { ptr, i64, i64 } %t317, ptr %a321
-  store { ptr, i64, i64 } %t319, ptr %a322
-  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
-  %t323 = load { ptr, i64, i64 }, ptr %a320
-  store { ptr, i64, i64 } %t323, ptr %a325
-  store { ptr, i64, i64 } { ptr @.str.2117, i64 6, i64 0 }, ptr %a326
-  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
-  %t327 = load { ptr, i64, i64 }, ptr %a324
-  call void @finch.gen.fail(ptr %t306, %S.ast.Node %t307, { ptr, i64, i64 } %t327)
-  br label %endif3303
-endif3303:
-  %t328 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 3
-  %t329 = getelementptr inbounds { ptr, i64, i64 }, ptr %t328, i32 0, i32 1
-  %t330 = load i64, ptr %a268
-  store i64 -1, ptr %a331
-  %t332 = load i64, ptr %t329
-  %t333 = load ptr, ptr %t328
-  store i64 0, ptr %a334
-  br label %find.cond3304
-find.cond3304:
-  %t335 = load i64, ptr %a334
-  %t336 = icmp slt i64 %t335, %t332
-  br i1 %t336, label %find.body3305, label %find.end3308
-find.body3305:
-  %t337 = getelementptr inbounds i64, ptr %t333, i64 %t335
-  %t338 = load i64, ptr %t337
-  %t339 = icmp eq i64 %t338, %t330
-  br i1 %t339, label %find.hit3306, label %find.next3307
-find.hit3306:
-  store i64 %t335, ptr %a331
-  br label %find.end3308
-find.next3307:
-  %t340 = add i64 %t335, 1
-  store i64 %t340, ptr %a334
-  br label %find.cond3304
-find.end3308:
-  %t341 = load i64, ptr %a331
-  %t342 = icmp sge i64 %t341, 0
-  br i1 %t342, label %then3309, label %endif3311
-then3309:
-  %t343 = load ptr, ptr %a1
-  %t344 = load %S.ast.Node, ptr %a278
-  %t345 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t346 = load { ptr, i64, i64 }, ptr %t345
-  store { ptr, i64, i64 } { ptr @.str.2118, i64 16, i64 0 }, ptr %a348
-  store { ptr, i64, i64 } %t346, ptr %a349
-  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
-  %t350 = load { ptr, i64, i64 }, ptr %a347
-  store { ptr, i64, i64 } %t350, ptr %a352
-  store { ptr, i64, i64 } { ptr @.str.2119, i64 17, i64 0 }, ptr %a353
-  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
-  %t354 = load { ptr, i64, i64 }, ptr %a351
-  %t355 = load i64, ptr %a268
-  call void @finch_str_from_int(ptr %a356, i64 %t355)
-  %t357 = load { ptr, i64, i64 }, ptr %a356
-  store { ptr, i64, i64 } %t354, ptr %a359
-  store { ptr, i64, i64 } %t357, ptr %a360
-  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
-  %t361 = load { ptr, i64, i64 }, ptr %a358
-  store { ptr, i64, i64 } %t361, ptr %a363
-  store { ptr, i64, i64 } { ptr @.str.2120, i64 20, i64 0 }, ptr %a364
-  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
-  %t365 = load { ptr, i64, i64 }, ptr %a362
-  call void @finch.gen.fail(ptr %t343, %S.ast.Node %t344, { ptr, i64, i64 } %t365)
-  br label %endif3311
-endif3311:
-  %t366 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 2
-  %t367 = getelementptr inbounds { ptr, i64, i64 }, ptr %t366, i32 0, i32 1
-  %t368 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 1
-  %t369 = load { ptr, i64, i64 }, ptr %t368
-  store { ptr, i64, i64 } %t369, ptr %a370
-  call void @finch_str_copy(ptr %a371, ptr %a370)
-  %t372 = load { ptr, i64, i64 }, ptr %a371
-  %t373 = load i64, ptr %t367
-  %t374 = add i64 %t373, 1
-  call void @finch_arr_reserve(ptr %t366, i64 %t374, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t375 = load ptr, ptr %t366
-  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t373
-  store { ptr, i64, i64 } %t372, ptr %t376
-  store i64 %t374, ptr %t367
-  %t377 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 3
-  %t378 = getelementptr inbounds { ptr, i64, i64 }, ptr %t377, i32 0, i32 1
-  %t379 = load i64, ptr %a268
-  %t380 = load i64, ptr %t378
-  %t381 = add i64 %t380, 1
-  call void @finch_arr_reserve(ptr %t377, i64 %t381, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t382 = load ptr, ptr %t377
-  %t383 = getelementptr inbounds i64, ptr %t382, i64 %t380
-  store i64 %t379, ptr %t383
-  store i64 %t381, ptr %t378
-  %t384 = load i64, ptr %a268
-  %t385 = add i64 %t384, 1
-  store i64 %t385, ptr %a268
-  br label %each.step3291
-each.step3291:
-  %t386 = load i64, ptr %a270
-  %t387 = add i64 %t386, 1
-  store i64 %t387, ptr %a270
-  br label %each.cond3289
-each.end3292:
-  %t388 = load ptr, ptr %a1
-  %t389 = icmp eq ptr %t388, null
-  br i1 %t389, label %panic3312, label %ok3313
-panic3312:
-  call void @finch_panic(ptr @.str.2121, i64 1334, ptr @.str.2122)
+  store i64 -1, ptr %a299
+  %t300 = load i64, ptr %t296
+  %t301 = load ptr, ptr %t295
+  store i64 0, ptr %a302
+  br label %find.cond3514
+find.cond3514:
+  %t303 = load i64, ptr %a302
+  %t304 = icmp slt i64 %t303, %t300
+  br i1 %t304, label %find.body3515, label %find.end3518
+find.body3515:
+  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 %t303
+  %t306 = load { ptr, i64, i64 }, ptr %t305
+  store { ptr, i64, i64 } %t306, ptr %a307
+  store { ptr, i64, i64 } %t298, ptr %a308
+  %t309 = call i32 @finch_str_eq(ptr %a307, ptr %a308)
+  %t310 = icmp ne i32 %t309, 0
+  br i1 %t310, label %find.hit3516, label %find.next3517
+find.hit3516:
+  store i64 %t303, ptr %a299
+  br label %find.end3518
+find.next3517:
+  %t311 = add i64 %t303, 1
+  store i64 %t311, ptr %a302
+  br label %find.cond3514
+find.end3518:
+  %t312 = load i64, ptr %a299
+  %t313 = icmp sge i64 %t312, 0
+  br i1 %t313, label %then3519, label %endif3521
+then3519:
+  %t314 = load ptr, ptr %a1
+  %t315 = load %S.ast.Node, ptr %a286
+  %t316 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t317 = load { ptr, i64, i64 }, ptr %t316
+  store { ptr, i64, i64 } { ptr @.str.2204, i64 9, i64 0 }, ptr %a319
+  store { ptr, i64, i64 } %t317, ptr %a320
+  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
+  %t321 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t321, ptr %a323
+  store { ptr, i64, i64 } { ptr @.str.2205, i64 17, i64 0 }, ptr %a324
+  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
+  store { ptr, i64, i64 } %t321, ptr %a325
+  call void @finch_str_drop(ptr %a325)
+  %t326 = load { ptr, i64, i64 }, ptr %a322
+  %t327 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 1
+  %t328 = load { ptr, i64, i64 }, ptr %t327
+  store { ptr, i64, i64 } %t326, ptr %a330
+  store { ptr, i64, i64 } %t328, ptr %a331
+  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
+  store { ptr, i64, i64 } %t326, ptr %a332
+  call void @finch_str_drop(ptr %a332)
+  %t333 = load { ptr, i64, i64 }, ptr %a329
+  store { ptr, i64, i64 } %t333, ptr %a335
+  store { ptr, i64, i64 } { ptr @.str.2206, i64 6, i64 0 }, ptr %a336
+  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
+  store { ptr, i64, i64 } %t333, ptr %a337
+  call void @finch_str_drop(ptr %a337)
+  %t338 = load { ptr, i64, i64 }, ptr %a334
+  call void @finch.gen.fail(ptr %t314, %S.ast.Node %t315, { ptr, i64, i64 } %t338)
+  store { ptr, i64, i64 } %t338, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  br label %endif3521
+endif3521:
+  %t340 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 3
+  %t341 = getelementptr inbounds { ptr, i64, i64 }, ptr %t340, i32 0, i32 1
+  %t342 = load i64, ptr %a276
+  store i64 -1, ptr %a343
+  %t344 = load i64, ptr %t341
+  %t345 = load ptr, ptr %t340
+  store i64 0, ptr %a346
+  br label %find.cond3522
+find.cond3522:
+  %t347 = load i64, ptr %a346
+  %t348 = icmp slt i64 %t347, %t344
+  br i1 %t348, label %find.body3523, label %find.end3526
+find.body3523:
+  %t349 = getelementptr inbounds i64, ptr %t345, i64 %t347
+  %t350 = load i64, ptr %t349
+  %t351 = icmp eq i64 %t350, %t342
+  br i1 %t351, label %find.hit3524, label %find.next3525
+find.hit3524:
+  store i64 %t347, ptr %a343
+  br label %find.end3526
+find.next3525:
+  %t352 = add i64 %t347, 1
+  store i64 %t352, ptr %a346
+  br label %find.cond3522
+find.end3526:
+  %t353 = load i64, ptr %a343
+  %t354 = icmp sge i64 %t353, 0
+  br i1 %t354, label %then3527, label %endif3529
+then3527:
+  %t355 = load ptr, ptr %a1
+  %t356 = load %S.ast.Node, ptr %a286
+  %t357 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t358 = load { ptr, i64, i64 }, ptr %t357
+  store { ptr, i64, i64 } { ptr @.str.2207, i64 16, i64 0 }, ptr %a360
+  store { ptr, i64, i64 } %t358, ptr %a361
+  call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
+  %t362 = load { ptr, i64, i64 }, ptr %a359
+  store { ptr, i64, i64 } %t362, ptr %a364
+  store { ptr, i64, i64 } { ptr @.str.2208, i64 17, i64 0 }, ptr %a365
+  call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
+  store { ptr, i64, i64 } %t362, ptr %a366
+  call void @finch_str_drop(ptr %a366)
+  %t367 = load { ptr, i64, i64 }, ptr %a363
+  %t368 = load i64, ptr %a276
+  call void @finch_str_from_int(ptr %a369, i64 %t368)
+  %t370 = load { ptr, i64, i64 }, ptr %a369
+  store { ptr, i64, i64 } %t367, ptr %a372
+  store { ptr, i64, i64 } %t370, ptr %a373
+  call void @finch_str_concat(ptr %a371, ptr %a372, ptr %a373)
+  store { ptr, i64, i64 } %t367, ptr %a374
+  call void @finch_str_drop(ptr %a374)
+  store { ptr, i64, i64 } %t370, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  %t376 = load { ptr, i64, i64 }, ptr %a371
+  store { ptr, i64, i64 } %t376, ptr %a378
+  store { ptr, i64, i64 } { ptr @.str.2209, i64 20, i64 0 }, ptr %a379
+  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
+  store { ptr, i64, i64 } %t376, ptr %a380
+  call void @finch_str_drop(ptr %a380)
+  %t381 = load { ptr, i64, i64 }, ptr %a377
+  call void @finch.gen.fail(ptr %t355, %S.ast.Node %t356, { ptr, i64, i64 } %t381)
+  store { ptr, i64, i64 } %t381, ptr %a382
+  call void @finch_str_drop(ptr %a382)
+  br label %endif3529
+endif3529:
+  %t383 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 2
+  %t384 = getelementptr inbounds { ptr, i64, i64 }, ptr %t383, i32 0, i32 1
+  %t385 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 1
+  %t386 = load { ptr, i64, i64 }, ptr %t385
+  store { ptr, i64, i64 } %t386, ptr %a387
+  call void @finch_str_copy(ptr %a388, ptr %a387)
+  %t389 = load { ptr, i64, i64 }, ptr %a388
+  %t390 = load i64, ptr %t384
+  %t391 = add i64 %t390, 1
+  call void @finch_arr_reserve(ptr %t383, i64 %t391, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t392 = load ptr, ptr %t383
+  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t392, i64 %t390
+  store { ptr, i64, i64 } %t389, ptr %t393
+  store i64 %t391, ptr %t384
+  %t394 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 3
+  %t395 = getelementptr inbounds { ptr, i64, i64 }, ptr %t394, i32 0, i32 1
+  %t396 = load i64, ptr %a276
+  %t397 = load i64, ptr %t395
+  %t398 = add i64 %t397, 1
+  call void @finch_arr_reserve(ptr %t394, i64 %t398, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t399 = load ptr, ptr %t394
+  %t400 = getelementptr inbounds i64, ptr %t399, i64 %t397
+  store i64 %t396, ptr %t400
+  store i64 %t398, ptr %t395
+  %t401 = load i64, ptr %a276
+  %t402 = add i64 %t401, 1
+  store i64 %t402, ptr %a276
+  br label %each.step3509
+each.step3509:
+  %t403 = load i64, ptr %a278
+  %t404 = add i64 %t403, 1
+  store i64 %t404, ptr %a278
+  br label %each.cond3507
+each.end3510:
+  %t405 = load ptr, ptr %a1
+  %t406 = icmp eq ptr %t405, null
+  br i1 %t406, label %panic3530, label %ok3531
+panic3530:
+  call void @finch_panic(ptr @.str.2210, i64 1482, ptr @.str.2211)
   unreachable
-ok3313:
-  %t390 = getelementptr inbounds %S.gen.Gen, ptr %t388, i32 0, i32 20
-  %t391 = getelementptr inbounds { ptr, i64, i64 }, ptr %t390, i32 0, i32 1
-  %t392 = load %S.gen.EnumDef, ptr %a267
-  store %S.gen.EnumDef %t392, ptr %a393
-  call void @finch.copy.S_gen_EnumDef(ptr %a394, ptr %a393)
-  %t395 = load %S.gen.EnumDef, ptr %a394
-  %t396 = load i64, ptr %t391
-  %t397 = add i64 %t396, 1
-  call void @finch_arr_reserve(ptr %t390, i64 %t397, i64 ptrtoint (ptr getelementptr (%S.gen.EnumDef, ptr null, i32 1) to i64))
-  %t398 = load ptr, ptr %t390
-  %t399 = getelementptr inbounds %S.gen.EnumDef, ptr %t398, i64 %t396
-  store %S.gen.EnumDef %t395, ptr %t399
-  store i64 %t397, ptr %t391
-  br label %for.step3268
-for.step3268:
-  %t400 = load i64, ptr %a198
-  %t401 = add i64 %t400, 1
-  store i64 %t401, ptr %a198
-  br label %for.cond3266
-for.end3269:
-  br label %for.step3254
-for.step3254:
-  %t402 = load i64, ptr %a166
-  %t403 = add i64 %t402, 1
-  store i64 %t403, ptr %a166
-  br label %for.cond3252
-for.end3255:
-  %t404 = load ptr, ptr %a1
-  %t405 = icmp eq ptr %t404, null
-  br i1 %t405, label %panic3314, label %ok3315
-panic3314:
-  call void @finch_panic(ptr @.str.2123, i64 1337, ptr @.str.2124)
-  unreachable
-ok3315:
-  %t406 = getelementptr inbounds %S.gen.Gen, ptr %t404, i32 0, i32 24
-  %t407 = getelementptr inbounds %S.cimport.CImports, ptr %t406, i32 0, i32 4
+ok3531:
+  %t407 = getelementptr inbounds %S.gen.Gen, ptr %t405, i32 0, i32 21
   %t408 = getelementptr inbounds { ptr, i64, i64 }, ptr %t407, i32 0, i32 1
-  %t409 = load i64, ptr %t408
-  store i64 0, ptr %a410
-  br label %for.cond3316
-for.cond3316:
-  %t411 = load i64, ptr %a410
-  %t412 = icmp slt i64 %t411, %t409
-  br i1 %t412, label %for.body3317, label %for.end3319
-for.body3317:
-  %t413 = load ptr, ptr %a1
-  %t414 = icmp eq ptr %t413, null
-  br i1 %t414, label %panic3320, label %ok3321
-panic3320:
-  call void @finch_panic(ptr @.str.2125, i64 1338, ptr @.str.2126)
+  %t409 = load %S.gen.EnumDef, ptr %a275
+  store %S.gen.EnumDef %t409, ptr %a410
+  call void @finch.copy.S_gen_EnumDef(ptr %a411, ptr %a410)
+  %t412 = load %S.gen.EnumDef, ptr %a411
+  %t413 = load i64, ptr %t408
+  %t414 = add i64 %t413, 1
+  call void @finch_arr_reserve(ptr %t407, i64 %t414, i64 ptrtoint (ptr getelementptr (%S.gen.EnumDef, ptr null, i32 1) to i64))
+  %t415 = load ptr, ptr %t407
+  %t416 = getelementptr inbounds %S.gen.EnumDef, ptr %t415, i64 %t413
+  store %S.gen.EnumDef %t412, ptr %t416
+  store i64 %t414, ptr %t408
+  call void @finch.drop.S_gen_EnumDef(ptr %a275)
+  call void @finch.drop.S_ast_Node(ptr %a227)
+  br label %for.step3486
+for.step3486:
+  %t417 = load i64, ptr %a204
+  %t418 = add i64 %t417, 1
+  store i64 %t418, ptr %a204
+  br label %for.cond3484
+for.end3487:
+  br label %for.step3472
+for.step3472:
+  %t419 = load i64, ptr %a170
+  %t420 = add i64 %t419, 1
+  store i64 %t420, ptr %a170
+  br label %for.cond3470
+for.end3473:
+  %t421 = load ptr, ptr %a1
+  %t422 = icmp eq ptr %t421, null
+  br i1 %t422, label %panic3532, label %ok3533
+panic3532:
+  call void @finch_panic(ptr @.str.2212, i64 1485, ptr @.str.2213)
   unreachable
-ok3321:
-  %t415 = getelementptr inbounds %S.gen.Gen, ptr %t413, i32 0, i32 15
-  %t416 = getelementptr inbounds { ptr, i64, i64 }, ptr %t415, i32 0, i32 1
-  %t417 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } { ptr @.str.2127, i64 1, i64 0 }, 0
-  %t418 = load ptr, ptr %a1
-  %t419 = icmp eq ptr %t418, null
-  br i1 %t419, label %panic3322, label %ok3323
-panic3322:
-  call void @finch_panic(ptr @.str.2128, i64 1338, ptr @.str.2129)
+ok3533:
+  %t423 = getelementptr inbounds %S.gen.Gen, ptr %t421, i32 0, i32 25
+  %t424 = getelementptr inbounds %S.cimport.CImports, ptr %t423, i32 0, i32 4
+  %t425 = getelementptr inbounds { ptr, i64, i64 }, ptr %t424, i32 0, i32 1
+  %t426 = load i64, ptr %t425
+  store i64 0, ptr %a427
+  br label %for.cond3534
+for.cond3534:
+  %t428 = load i64, ptr %a427
+  %t429 = icmp slt i64 %t428, %t426
+  br i1 %t429, label %for.body3535, label %for.end3537
+for.body3535:
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic3538, label %ok3539
+panic3538:
+  call void @finch_panic(ptr @.str.2214, i64 1486, ptr @.str.2215)
   unreachable
-ok3323:
-  %t420 = getelementptr inbounds %S.gen.Gen, ptr %t418, i32 0, i32 24
-  %t421 = getelementptr inbounds %S.cimport.CImports, ptr %t420, i32 0, i32 4
-  %t422 = load i64, ptr %a410
-  %t423 = load { ptr, i64, i64 }, ptr %t421
-  %t424 = extractvalue { ptr, i64, i64 } %t423, 1
-  %t425 = icmp uge i64 %t422, %t424
-  br i1 %t425, label %range3324, label %inrange3325
-range3324:
-  call void @finch_panic_index(ptr @.str.2130, i64 1338, i64 %t422, i64 %t424)
+ok3539:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 16
+  %t433 = getelementptr inbounds { ptr, i64, i64 }, ptr %t432, i32 0, i32 1
+  %t434 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } { ptr @.str.2216, i64 1, i64 0 }, 0
+  %t435 = load ptr, ptr %a1
+  %t436 = icmp eq ptr %t435, null
+  br i1 %t436, label %panic3540, label %ok3541
+panic3540:
+  call void @finch_panic(ptr @.str.2217, i64 1486, ptr @.str.2218)
   unreachable
-inrange3325:
-  %t426 = extractvalue { ptr, i64, i64 } %t423, 0
-  %t427 = getelementptr inbounds { ptr, i64, i64 }, ptr %t426, i64 %t422
-  %t428 = load { ptr, i64, i64 }, ptr %t427
-  store { ptr, i64, i64 } %t428, ptr %a429
-  call void @finch_str_copy(ptr %a430, ptr %a429)
-  %t431 = load { ptr, i64, i64 }, ptr %a430
-  %t432 = insertvalue %S.gen.StructDef %t417, { ptr, i64, i64 } %t431, 1
-  %t433 = insertvalue %S.gen.StructDef %t432, i1 true, 2
-  %t434 = insertvalue %S.gen.StructDef %t433, i64 -1, 13
-  %t435 = load i64, ptr %a410
-  %t436 = insertvalue %S.gen.StructDef %t434, i64 %t435, 14
-  %t437 = load i64, ptr %t416
-  %t438 = add i64 %t437, 1
-  call void @finch_arr_reserve(ptr %t415, i64 %t438, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
-  %t439 = load ptr, ptr %t415
-  %t440 = getelementptr inbounds %S.gen.StructDef, ptr %t439, i64 %t437
-  store %S.gen.StructDef %t436, ptr %t440
-  store i64 %t438, ptr %t416
-  br label %for.step3318
-for.step3318:
-  %t441 = load i64, ptr %a410
-  %t442 = add i64 %t441, 1
-  store i64 %t442, ptr %a410
-  br label %for.cond3316
-for.end3319:
-  %t443 = load ptr, ptr %a1
-  %t444 = icmp eq ptr %t443, null
-  br i1 %t444, label %panic3326, label %ok3327
-panic3326:
-  call void @finch_panic(ptr @.str.2131, i64 1340, ptr @.str.2132)
+ok3541:
+  %t437 = getelementptr inbounds %S.gen.Gen, ptr %t435, i32 0, i32 25
+  %t438 = getelementptr inbounds %S.cimport.CImports, ptr %t437, i32 0, i32 4
+  %t439 = load i64, ptr %a427
+  %t440 = load { ptr, i64, i64 }, ptr %t438
+  %t441 = extractvalue { ptr, i64, i64 } %t440, 1
+  %t442 = icmp uge i64 %t439, %t441
+  br i1 %t442, label %range3542, label %inrange3543
+range3542:
+  call void @finch_panic_index(ptr @.str.2219, i64 1486, i64 %t439, i64 %t441)
   unreachable
-ok3327:
-  %t445 = getelementptr inbounds %S.gen.Gen, ptr %t443, i32 0, i32 15
-  %t446 = getelementptr inbounds { ptr, i64, i64 }, ptr %t445, i32 0, i32 1
-  %t447 = load i64, ptr %t446
-  store i64 0, ptr %a448
-  br label %for.cond3328
-for.cond3328:
-  %t449 = load i64, ptr %a448
-  %t450 = icmp slt i64 %t449, %t447
-  br i1 %t450, label %for.body3329, label %for.end3331
-for.body3329:
-  %t451 = load ptr, ptr %a1
-  %t452 = load i64, ptr %a448
-  call void @finch.gen.resolveStruct(ptr %t451, i64 %t452)
-  br label %for.step3330
-for.step3330:
-  %t453 = load i64, ptr %a448
-  %t454 = add i64 %t453, 1
-  store i64 %t454, ptr %a448
-  br label %for.cond3328
-for.end3331:
-  %t455 = load ptr, ptr %a1
-  %t456 = icmp eq ptr %t455, null
-  br i1 %t456, label %panic3332, label %ok3333
-panic3332:
-  call void @finch_panic(ptr @.str.2133, i64 1343, ptr @.str.2134)
+inrange3543:
+  %t443 = extractvalue { ptr, i64, i64 } %t440, 0
+  %t444 = getelementptr inbounds { ptr, i64, i64 }, ptr %t443, i64 %t439
+  %t445 = load { ptr, i64, i64 }, ptr %t444
+  store { ptr, i64, i64 } %t445, ptr %a446
+  call void @finch_str_copy(ptr %a447, ptr %a446)
+  %t448 = load { ptr, i64, i64 }, ptr %a447
+  %t449 = insertvalue %S.gen.StructDef %t434, { ptr, i64, i64 } %t448, 1
+  %t450 = insertvalue %S.gen.StructDef %t449, i1 true, 2
+  %t451 = insertvalue %S.gen.StructDef %t450, i64 -1, 13
+  %t452 = load i64, ptr %a427
+  %t453 = insertvalue %S.gen.StructDef %t451, i64 %t452, 14
+  %t454 = load i64, ptr %t433
+  %t455 = add i64 %t454, 1
+  call void @finch_arr_reserve(ptr %t432, i64 %t455, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
+  %t456 = load ptr, ptr %t432
+  %t457 = getelementptr inbounds %S.gen.StructDef, ptr %t456, i64 %t454
+  store %S.gen.StructDef %t453, ptr %t457
+  store i64 %t455, ptr %t433
+  br label %for.step3536
+for.step3536:
+  %t458 = load i64, ptr %a427
+  %t459 = add i64 %t458, 1
+  store i64 %t459, ptr %a427
+  br label %for.cond3534
+for.end3537:
+  %t460 = load ptr, ptr %a1
+  %t461 = icmp eq ptr %t460, null
+  br i1 %t461, label %panic3544, label %ok3545
+panic3544:
+  call void @finch_panic(ptr @.str.2220, i64 1488, ptr @.str.2221)
   unreachable
-ok3333:
-  %t457 = getelementptr inbounds %S.gen.Gen, ptr %t455, i32 0, i32 0
-  %t458 = getelementptr inbounds { ptr, i64, i64 }, ptr %t457, i32 0, i32 1
-  %t459 = load i64, ptr %t458
-  store i64 0, ptr %a460
-  br label %for.cond3334
-for.cond3334:
-  %t461 = load i64, ptr %a460
-  %t462 = icmp slt i64 %t461, %t459
-  br i1 %t462, label %for.body3335, label %for.end3337
-for.body3335:
-  %t463 = load ptr, ptr %a1
-  %t464 = icmp eq ptr %t463, null
-  br i1 %t464, label %panic3338, label %ok3339
-panic3338:
-  call void @finch_panic(ptr @.str.2135, i64 1344, ptr @.str.2136)
+ok3545:
+  %t462 = getelementptr inbounds %S.gen.Gen, ptr %t460, i32 0, i32 16
+  %t463 = getelementptr inbounds { ptr, i64, i64 }, ptr %t462, i32 0, i32 1
+  %t464 = load i64, ptr %t463
+  store i64 0, ptr %a465
+  br label %for.cond3546
+for.cond3546:
+  %t466 = load i64, ptr %a465
+  %t467 = icmp slt i64 %t466, %t464
+  br i1 %t467, label %for.body3547, label %for.end3549
+for.body3547:
+  %t468 = load ptr, ptr %a1
+  %t469 = load i64, ptr %a465
+  call void @finch.gen.resolveStruct(ptr %t468, i64 %t469)
+  br label %for.step3548
+for.step3548:
+  %t470 = load i64, ptr %a465
+  %t471 = add i64 %t470, 1
+  store i64 %t471, ptr %a465
+  br label %for.cond3546
+for.end3549:
+  %t472 = load ptr, ptr %a1
+  %t473 = icmp eq ptr %t472, null
+  br i1 %t473, label %panic3550, label %ok3551
+panic3550:
+  call void @finch_panic(ptr @.str.2222, i64 1491, ptr @.str.2223)
   unreachable
-ok3339:
-  %t465 = getelementptr inbounds %S.gen.Gen, ptr %t463, i32 0, i32 0
-  %t466 = load i64, ptr %a460
-  %t467 = load { ptr, i64, i64 }, ptr %t465
-  %t468 = extractvalue { ptr, i64, i64 } %t467, 1
-  %t469 = icmp uge i64 %t466, %t468
-  br i1 %t469, label %range3340, label %inrange3341
-range3340:
-  call void @finch_panic_index(ptr @.str.2137, i64 1344, i64 %t466, i64 %t468)
-  unreachable
-inrange3341:
-  %t470 = extractvalue { ptr, i64, i64 } %t467, 0
-  %t471 = getelementptr inbounds %S.ast.Program, ptr %t470, i64 %t466
-  %t472 = getelementptr inbounds %S.ast.Program, ptr %t471, i32 0, i32 0
-  %t473 = load { ptr, i64, i64 }, ptr %t472
-  %t474 = load ptr, ptr %a1
-  %t475 = icmp eq ptr %t474, null
-  br i1 %t475, label %panic3342, label %ok3343
-panic3342:
-  call void @finch_panic(ptr @.str.2138, i64 1344, ptr @.str.2139)
-  unreachable
-ok3343:
-  %t476 = getelementptr inbounds %S.gen.Gen, ptr %t474, i32 0, i32 13
-  store { ptr, i64, i64 } %t473, ptr %a477
-  call void @finch_str_copy(ptr %a478, ptr %a477)
-  %t479 = load { ptr, i64, i64 }, ptr %a478
-  store { ptr, i64, i64 } %t479, ptr %t476
+ok3551:
+  %t474 = getelementptr inbounds %S.gen.Gen, ptr %t472, i32 0, i32 0
+  %t475 = getelementptr inbounds { ptr, i64, i64 }, ptr %t474, i32 0, i32 1
+  %t476 = load i64, ptr %t475
+  store i64 0, ptr %a477
+  br label %for.cond3552
+for.cond3552:
+  %t478 = load i64, ptr %a477
+  %t479 = icmp slt i64 %t478, %t476
+  br i1 %t479, label %for.body3553, label %for.end3555
+for.body3553:
   %t480 = load ptr, ptr %a1
   %t481 = icmp eq ptr %t480, null
-  br i1 %t481, label %panic3344, label %ok3345
-panic3344:
-  call void @finch_panic(ptr @.str.2140, i64 1345, ptr @.str.2141)
+  br i1 %t481, label %panic3556, label %ok3557
+panic3556:
+  call void @finch_panic(ptr @.str.2224, i64 1492, ptr @.str.2225)
   unreachable
-ok3345:
+ok3557:
   %t482 = getelementptr inbounds %S.gen.Gen, ptr %t480, i32 0, i32 0
-  %t483 = load i64, ptr %a460
+  %t483 = load i64, ptr %a477
   %t484 = load { ptr, i64, i64 }, ptr %t482
   %t485 = extractvalue { ptr, i64, i64 } %t484, 1
   %t486 = icmp uge i64 %t483, %t485
-  br i1 %t486, label %range3346, label %inrange3347
-range3346:
-  call void @finch_panic_index(ptr @.str.2142, i64 1345, i64 %t483, i64 %t485)
+  br i1 %t486, label %range3558, label %inrange3559
+range3558:
+  call void @finch_panic_index(ptr @.str.2226, i64 1492, i64 %t483, i64 %t485)
   unreachable
-inrange3347:
+inrange3559:
   %t487 = extractvalue { ptr, i64, i64 } %t484, 0
   %t488 = getelementptr inbounds %S.ast.Program, ptr %t487, i64 %t483
-  %t489 = getelementptr inbounds %S.ast.Program, ptr %t488, i32 0, i32 8
-  %t490 = getelementptr inbounds { ptr, i64, i64 }, ptr %t489, i32 0, i32 1
-  %t491 = load i64, ptr %t490
-  store i64 0, ptr %a492
-  br label %for.cond3348
-for.cond3348:
-  %t493 = load i64, ptr %a492
-  %t494 = icmp slt i64 %t493, %t491
-  br i1 %t494, label %for.body3349, label %for.end3351
-for.body3349:
-  %t495 = load ptr, ptr %a1
-  %t496 = icmp eq ptr %t495, null
-  br i1 %t496, label %panic3352, label %ok3353
-panic3352:
-  call void @finch_panic(ptr @.str.2143, i64 1346, ptr @.str.2144)
+  %t489 = getelementptr inbounds %S.ast.Program, ptr %t488, i32 0, i32 0
+  %t490 = load { ptr, i64, i64 }, ptr %t489
+  %t491 = load ptr, ptr %a1
+  %t492 = icmp eq ptr %t491, null
+  br i1 %t492, label %panic3560, label %ok3561
+panic3560:
+  call void @finch_panic(ptr @.str.2227, i64 1492, ptr @.str.2228)
   unreachable
-ok3353:
-  %t497 = getelementptr inbounds %S.gen.Gen, ptr %t495, i32 0, i32 0
-  %t498 = load i64, ptr %a460
-  %t499 = load { ptr, i64, i64 }, ptr %t497
-  %t500 = extractvalue { ptr, i64, i64 } %t499, 1
-  %t501 = icmp uge i64 %t498, %t500
-  br i1 %t501, label %range3354, label %inrange3355
-range3354:
-  call void @finch_panic_index(ptr @.str.2145, i64 1346, i64 %t498, i64 %t500)
+ok3561:
+  %t493 = getelementptr inbounds %S.gen.Gen, ptr %t491, i32 0, i32 14
+  store { ptr, i64, i64 } %t490, ptr %a494
+  call void @finch_str_copy(ptr %a495, ptr %a494)
+  %t496 = load { ptr, i64, i64 }, ptr %a495
+  %t497 = load { ptr, i64, i64 }, ptr %t493
+  store { ptr, i64, i64 } %t496, ptr %t493
+  store { ptr, i64, i64 } %t497, ptr %a498
+  call void @finch_str_drop(ptr %a498)
+  %t499 = load ptr, ptr %a1
+  %t500 = icmp eq ptr %t499, null
+  br i1 %t500, label %panic3562, label %ok3563
+panic3562:
+  call void @finch_panic(ptr @.str.2229, i64 1493, ptr @.str.2230)
   unreachable
-inrange3355:
-  %t502 = extractvalue { ptr, i64, i64 } %t499, 0
-  %t503 = getelementptr inbounds %S.ast.Program, ptr %t502, i64 %t498
-  %t504 = getelementptr inbounds %S.ast.Program, ptr %t503, i32 0, i32 8
-  %t505 = load i64, ptr %a492
-  %t506 = load { ptr, i64, i64 }, ptr %t504
-  %t507 = extractvalue { ptr, i64, i64 } %t506, 1
-  %t508 = icmp uge i64 %t505, %t507
-  br i1 %t508, label %range3356, label %inrange3357
-range3356:
-  call void @finch_panic_index(ptr @.str.2146, i64 1346, i64 %t505, i64 %t507)
+ok3563:
+  %t501 = getelementptr inbounds %S.gen.Gen, ptr %t499, i32 0, i32 0
+  %t502 = load i64, ptr %a477
+  %t503 = load { ptr, i64, i64 }, ptr %t501
+  %t504 = extractvalue { ptr, i64, i64 } %t503, 1
+  %t505 = icmp uge i64 %t502, %t504
+  br i1 %t505, label %range3564, label %inrange3565
+range3564:
+  call void @finch_panic_index(ptr @.str.2231, i64 1493, i64 %t502, i64 %t504)
   unreachable
-inrange3357:
-  %t509 = extractvalue { ptr, i64, i64 } %t506, 0
-  %t510 = getelementptr inbounds %S.ast.Node, ptr %t509, i64 %t505
-  %t511 = load %S.ast.Node, ptr %t510
-  store %S.ast.Node %t511, ptr %a512
-  call void @finch.copy.S_ast_Node(ptr %a513, ptr %a512)
-  %t514 = load %S.ast.Node, ptr %a513
-  store %S.ast.Node %t514, ptr %a515
-  %t516 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 3
-  %t517 = getelementptr inbounds { ptr, i64, i64 }, ptr %t516, i32 0, i32 1
-  %t518 = load i64, ptr %t517
-  %t519 = icmp sgt i64 %t518, 0
-  br i1 %t519, label %then3358, label %endif3360
-then3358:
-  %t520 = load ptr, ptr %a1
-  %t521 = load ptr, ptr %a1
-  %t522 = icmp eq ptr %t521, null
-  br i1 %t522, label %panic3361, label %ok3362
-panic3361:
-  call void @finch_panic(ptr @.str.2147, i64 1349, ptr @.str.2148)
+inrange3565:
+  %t506 = extractvalue { ptr, i64, i64 } %t503, 0
+  %t507 = getelementptr inbounds %S.ast.Program, ptr %t506, i64 %t502
+  %t508 = getelementptr inbounds %S.ast.Program, ptr %t507, i32 0, i32 8
+  %t509 = getelementptr inbounds { ptr, i64, i64 }, ptr %t508, i32 0, i32 1
+  %t510 = load i64, ptr %t509
+  store i64 0, ptr %a511
+  br label %for.cond3566
+for.cond3566:
+  %t512 = load i64, ptr %a511
+  %t513 = icmp slt i64 %t512, %t510
+  br i1 %t513, label %for.body3567, label %for.end3569
+for.body3567:
+  %t514 = load ptr, ptr %a1
+  %t515 = icmp eq ptr %t514, null
+  br i1 %t515, label %panic3570, label %ok3571
+panic3570:
+  call void @finch_panic(ptr @.str.2232, i64 1494, ptr @.str.2233)
   unreachable
-ok3362:
-  %t523 = getelementptr inbounds %S.gen.Gen, ptr %t521, i32 0, i32 13
-  %t524 = load { ptr, i64, i64 }, ptr %t523
-  %t525 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t526 = load { ptr, i64, i64 }, ptr %t525
-  %t527 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t528 = load { ptr, i64, i64 }, ptr %t527
-  %t529 = call i64 @finch.gen.findTemplate(ptr %t520, { ptr, i64, i64 } %t524, { ptr, i64, i64 } %t526, { ptr, i64, i64 } %t528, i1 false)
-  %t530 = icmp sge i64 %t529, 0
-  br i1 %t530, label %then3363, label %endif3365
-then3363:
-  %t531 = load ptr, ptr %a1
-  %t532 = load %S.ast.Node, ptr %a515
-  %t533 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t534 = load { ptr, i64, i64 }, ptr %t533
-  store { ptr, i64, i64 } { ptr @.str.2149, i64 10, i64 0 }, ptr %a536
-  store { ptr, i64, i64 } %t534, ptr %a537
-  call void @finch_str_concat(ptr %a535, ptr %a536, ptr %a537)
-  %t538 = load { ptr, i64, i64 }, ptr %a535
-  store { ptr, i64, i64 } %t538, ptr %a540
-  store { ptr, i64, i64 } { ptr @.str.2150, i64 18, i64 0 }, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  call void @finch.gen.fail(ptr %t531, %S.ast.Node %t532, { ptr, i64, i64 } %t542)
-  br label %endif3365
-endif3365:
-  %t543 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i32 0, i32 1
-  %t545 = load i64, ptr %t544
-  %t546 = icmp sgt i64 %t545, 0
-  br label %logic.from3366
-logic.from3366:
-  br i1 %t546, label %logic.rhs3367, label %logic.end3368
-logic.rhs3367:
-  %t547 = load ptr, ptr %a1
-  %t548 = load ptr, ptr %a1
-  %t549 = icmp eq ptr %t548, null
-  br i1 %t549, label %panic3369, label %ok3370
-panic3369:
-  call void @finch_panic(ptr @.str.2151, i64 1352, ptr @.str.2152)
+ok3571:
+  %t516 = getelementptr inbounds %S.gen.Gen, ptr %t514, i32 0, i32 0
+  %t517 = load i64, ptr %a477
+  %t518 = load { ptr, i64, i64 }, ptr %t516
+  %t519 = extractvalue { ptr, i64, i64 } %t518, 1
+  %t520 = icmp uge i64 %t517, %t519
+  br i1 %t520, label %range3572, label %inrange3573
+range3572:
+  call void @finch_panic_index(ptr @.str.2234, i64 1494, i64 %t517, i64 %t519)
   unreachable
-ok3370:
-  %t550 = getelementptr inbounds %S.gen.Gen, ptr %t548, i32 0, i32 13
-  %t551 = load { ptr, i64, i64 }, ptr %t550
-  %t552 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
+inrange3573:
+  %t521 = extractvalue { ptr, i64, i64 } %t518, 0
+  %t522 = getelementptr inbounds %S.ast.Program, ptr %t521, i64 %t517
+  %t523 = getelementptr inbounds %S.ast.Program, ptr %t522, i32 0, i32 8
+  %t524 = load i64, ptr %a511
+  %t525 = load { ptr, i64, i64 }, ptr %t523
+  %t526 = extractvalue { ptr, i64, i64 } %t525, 1
+  %t527 = icmp uge i64 %t524, %t526
+  br i1 %t527, label %range3574, label %inrange3575
+range3574:
+  call void @finch_panic_index(ptr @.str.2235, i64 1494, i64 %t524, i64 %t526)
+  unreachable
+inrange3575:
+  %t528 = extractvalue { ptr, i64, i64 } %t525, 0
+  %t529 = getelementptr inbounds %S.ast.Node, ptr %t528, i64 %t524
+  %t530 = load %S.ast.Node, ptr %t529
+  store %S.ast.Node %t530, ptr %a531
+  call void @finch.copy.S_ast_Node(ptr %a532, ptr %a531)
+  %t533 = load %S.ast.Node, ptr %a532
+  store %S.ast.Node %t533, ptr %a534
+  %t535 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 3
+  %t536 = getelementptr inbounds { ptr, i64, i64 }, ptr %t535, i32 0, i32 1
+  %t537 = load i64, ptr %t536
+  %t538 = icmp sgt i64 %t537, 0
+  br i1 %t538, label %then3576, label %endif3578
+then3576:
+  %t539 = load ptr, ptr %a1
+  %t540 = load ptr, ptr %a1
+  %t541 = icmp eq ptr %t540, null
+  br i1 %t541, label %panic3579, label %ok3580
+panic3579:
+  call void @finch_panic(ptr @.str.2236, i64 1497, ptr @.str.2237)
+  unreachable
+ok3580:
+  %t542 = getelementptr inbounds %S.gen.Gen, ptr %t540, i32 0, i32 14
+  %t543 = load { ptr, i64, i64 }, ptr %t542
+  %t544 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t545 = load { ptr, i64, i64 }, ptr %t544
+  %t546 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t547 = load { ptr, i64, i64 }, ptr %t546
+  %t548 = call i64 @finch.gen.findTemplate(ptr %t539, { ptr, i64, i64 } %t543, { ptr, i64, i64 } %t545, { ptr, i64, i64 } %t547, i1 false)
+  %t549 = icmp sge i64 %t548, 0
+  br i1 %t549, label %then3581, label %endif3583
+then3581:
+  %t550 = load ptr, ptr %a1
+  %t551 = load %S.ast.Node, ptr %a534
+  %t552 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
   %t553 = load { ptr, i64, i64 }, ptr %t552
-  %t554 = call i64 @finch.gen.findTemplate(ptr %t547, { ptr, i64, i64 } %t551, { ptr, i64, i64 } %t553, { ptr, i64, i64 } { ptr @.str.2153, i64 0, i64 0 }, i1 true)
-  %t555 = icmp slt i64 %t554, 0
-  br label %logic.rend3371
-logic.rend3371:
-  br label %logic.end3368
-logic.end3368:
-  %t556 = phi i1 [ false, %logic.from3366 ], [ %t555, %logic.rend3371 ]
-  br i1 %t556, label %then3372, label %endif3374
-then3372:
-  %t557 = load ptr, ptr %a1
-  %t558 = load %S.ast.Node, ptr %a515
-  %t559 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t560 = load { ptr, i64, i64 }, ptr %t559
-  store { ptr, i64, i64 } { ptr @.str.2154, i64 34, i64 0 }, ptr %a562
-  store { ptr, i64, i64 } %t560, ptr %a563
-  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
-  %t564 = load { ptr, i64, i64 }, ptr %a561
-  store { ptr, i64, i64 } %t564, ptr %a566
-  store { ptr, i64, i64 } { ptr @.str.2155, i64 53, i64 0 }, ptr %a567
-  call void @finch_str_concat(ptr %a565, ptr %a566, ptr %a567)
-  %t568 = load { ptr, i64, i64 }, ptr %a565
-  call void @finch.gen.fail(ptr %t557, %S.ast.Node %t558, { ptr, i64, i64 } %t568)
-  br label %endif3374
-endif3374:
+  store { ptr, i64, i64 } { ptr @.str.2238, i64 10, i64 0 }, ptr %a555
+  store { ptr, i64, i64 } %t553, ptr %a556
+  call void @finch_str_concat(ptr %a554, ptr %a555, ptr %a556)
+  %t557 = load { ptr, i64, i64 }, ptr %a554
+  store { ptr, i64, i64 } %t557, ptr %a559
+  store { ptr, i64, i64 } { ptr @.str.2239, i64 18, i64 0 }, ptr %a560
+  call void @finch_str_concat(ptr %a558, ptr %a559, ptr %a560)
+  store { ptr, i64, i64 } %t557, ptr %a561
+  call void @finch_str_drop(ptr %a561)
+  %t562 = load { ptr, i64, i64 }, ptr %a558
+  call void @finch.gen.fail(ptr %t550, %S.ast.Node %t551, { ptr, i64, i64 } %t562)
+  store { ptr, i64, i64 } %t562, ptr %a563
+  call void @finch_str_drop(ptr %a563)
+  br label %endif3583
+endif3583:
+  %t564 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t565 = getelementptr inbounds { ptr, i64, i64 }, ptr %t564, i32 0, i32 1
+  %t566 = load i64, ptr %t565
+  %t567 = icmp sgt i64 %t566, 0
+  br label %logic.from3584
+logic.from3584:
+  br i1 %t567, label %logic.rhs3585, label %logic.end3586
+logic.rhs3585:
+  %t568 = load ptr, ptr %a1
   %t569 = load ptr, ptr %a1
   %t570 = icmp eq ptr %t569, null
-  br i1 %t570, label %panic3375, label %ok3376
-panic3375:
-  call void @finch_panic(ptr @.str.2156, i64 1355, ptr @.str.2157)
+  br i1 %t570, label %panic3587, label %ok3588
+panic3587:
+  call void @finch_panic(ptr @.str.2240, i64 1500, ptr @.str.2241)
   unreachable
-ok3376:
-  %t571 = getelementptr inbounds %S.gen.Gen, ptr %t569, i32 0, i32 16
-  %t572 = getelementptr inbounds { ptr, i64, i64 }, ptr %t571, i32 0, i32 1
-  %t573 = load ptr, ptr %a1
-  %t574 = icmp eq ptr %t573, null
-  br i1 %t574, label %panic3377, label %ok3378
-panic3377:
-  call void @finch_panic(ptr @.str.2158, i64 1355, ptr @.str.2159)
+ok3588:
+  %t571 = getelementptr inbounds %S.gen.Gen, ptr %t569, i32 0, i32 14
+  %t572 = load { ptr, i64, i64 }, ptr %t571
+  %t573 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t574 = load { ptr, i64, i64 }, ptr %t573
+  %t575 = call i64 @finch.gen.findTemplate(ptr %t568, { ptr, i64, i64 } %t572, { ptr, i64, i64 } %t574, { ptr, i64, i64 } { ptr @.str.2242, i64 0, i64 0 }, i1 true)
+  %t576 = icmp slt i64 %t575, 0
+  br label %logic.rend3589
+logic.rend3589:
+  br label %logic.end3586
+logic.end3586:
+  %t577 = phi i1 [ false, %logic.from3584 ], [ %t576, %logic.rend3589 ]
+  br i1 %t577, label %then3590, label %endif3592
+then3590:
+  %t578 = load ptr, ptr %a1
+  %t579 = load %S.ast.Node, ptr %a534
+  %t580 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t581 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } { ptr @.str.2243, i64 34, i64 0 }, ptr %a583
+  store { ptr, i64, i64 } %t581, ptr %a584
+  call void @finch_str_concat(ptr %a582, ptr %a583, ptr %a584)
+  %t585 = load { ptr, i64, i64 }, ptr %a582
+  store { ptr, i64, i64 } %t585, ptr %a587
+  store { ptr, i64, i64 } { ptr @.str.2244, i64 53, i64 0 }, ptr %a588
+  call void @finch_str_concat(ptr %a586, ptr %a587, ptr %a588)
+  store { ptr, i64, i64 } %t585, ptr %a589
+  call void @finch_str_drop(ptr %a589)
+  %t590 = load { ptr, i64, i64 }, ptr %a586
+  call void @finch.gen.fail(ptr %t578, %S.ast.Node %t579, { ptr, i64, i64 } %t590)
+  store { ptr, i64, i64 } %t590, ptr %a591
+  call void @finch_str_drop(ptr %a591)
+  br label %endif3592
+endif3592:
+  %t592 = load ptr, ptr %a1
+  %t593 = icmp eq ptr %t592, null
+  br i1 %t593, label %panic3593, label %ok3594
+panic3593:
+  call void @finch_panic(ptr @.str.2245, i64 1503, ptr @.str.2246)
   unreachable
-ok3378:
-  %t575 = getelementptr inbounds %S.gen.Gen, ptr %t573, i32 0, i32 13
-  %t576 = load { ptr, i64, i64 }, ptr %t575
-  store { ptr, i64, i64 } %t576, ptr %a577
-  call void @finch_str_copy(ptr %a578, ptr %a577)
-  %t579 = load { ptr, i64, i64 }, ptr %a578
-  %t580 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t579, 0
-  %t581 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t582 = load { ptr, i64, i64 }, ptr %t581
-  store { ptr, i64, i64 } %t582, ptr %a583
-  call void @finch_str_copy(ptr %a584, ptr %a583)
-  %t585 = load { ptr, i64, i64 }, ptr %a584
-  %t586 = insertvalue %S.gen.Template %t580, { ptr, i64, i64 } %t585, 1
-  %t587 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t588 = load { ptr, i64, i64 }, ptr %t587
-  store { ptr, i64, i64 } %t588, ptr %a589
-  call void @finch_str_copy(ptr %a590, ptr %a589)
-  %t591 = load { ptr, i64, i64 }, ptr %a590
-  %t592 = insertvalue %S.gen.Template %t586, { ptr, i64, i64 } %t591, 2
-  %t593 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 3
-  %t594 = load { ptr, i64, i64 }, ptr %t593
-  store { ptr, i64, i64 } %t594, ptr %a595
-  call void @finch.copy.arr_str(ptr %a596, ptr %a595)
-  %t597 = load { ptr, i64, i64 }, ptr %a596
-  %t598 = insertvalue %S.gen.Template %t592, { ptr, i64, i64 } %t597, 3
-  %t599 = load i64, ptr %a460
-  %t600 = insertvalue %S.gen.Template %t598, i64 %t599, 4
-  %t601 = load i64, ptr %a492
-  %t602 = insertvalue %S.gen.Template %t600, i64 %t601, 5
-  %t603 = load i64, ptr %t572
-  %t604 = add i64 %t603, 1
-  call void @finch_arr_reserve(ptr %t571, i64 %t604, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
-  %t605 = load ptr, ptr %t571
-  %t606 = getelementptr inbounds %S.gen.Template, ptr %t605, i64 %t603
-  store %S.gen.Template %t602, ptr %t606
-  store i64 %t604, ptr %t572
-  br label %for.step3350
-endif3360:
-  %t607 = load ptr, ptr %a1
-  %t608 = icmp eq ptr %t607, null
-  br i1 %t608, label %panic3379, label %ok3380
-panic3379:
-  call void @finch_panic(ptr @.str.2160, i64 1358, ptr @.str.2161)
+ok3594:
+  %t594 = getelementptr inbounds %S.gen.Gen, ptr %t592, i32 0, i32 17
+  %t595 = getelementptr inbounds { ptr, i64, i64 }, ptr %t594, i32 0, i32 1
+  %t596 = load ptr, ptr %a1
+  %t597 = icmp eq ptr %t596, null
+  br i1 %t597, label %panic3595, label %ok3596
+panic3595:
+  call void @finch_panic(ptr @.str.2247, i64 1503, ptr @.str.2248)
   unreachable
-ok3380:
-  %t609 = getelementptr inbounds %S.gen.Gen, ptr %t607, i32 0, i32 13
-  %t610 = load { ptr, i64, i64 }, ptr %t609
-  store { ptr, i64, i64 } %t610, ptr %a611
-  call void @finch_str_copy(ptr %a612, ptr %a611)
-  %t613 = load { ptr, i64, i64 }, ptr %a612
-  store { ptr, i64, i64 } %t613, ptr %a614
-  store i1 false, ptr %a615
-  %t616 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t617 = getelementptr inbounds { ptr, i64, i64 }, ptr %t616, i32 0, i32 1
-  %t618 = load i64, ptr %t617
-  %t619 = icmp sgt i64 %t618, 0
-  br label %logic.from3381
-logic.from3381:
-  br i1 %t619, label %logic.rhs3382, label %logic.end3383
-logic.rhs3382:
-  %t620 = load ptr, ptr %a1
-  %t621 = load ptr, ptr %a1
-  %t622 = icmp eq ptr %t621, null
-  br i1 %t622, label %panic3384, label %ok3385
-panic3384:
-  call void @finch_panic(ptr @.str.2162, i64 1360, ptr @.str.2163)
-  unreachable
-ok3385:
-  %t623 = getelementptr inbounds %S.gen.Gen, ptr %t621, i32 0, i32 13
-  %t624 = load { ptr, i64, i64 }, ptr %t623
-  %t625 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t626 = load { ptr, i64, i64 }, ptr %t625
-  %t627 = call i64 @finch.gen.findEnum(ptr %t620, { ptr, i64, i64 } %t624, { ptr, i64, i64 } %t626)
-  %t628 = icmp sge i64 %t627, 0
-  br label %logic.rend3386
-logic.rend3386:
-  br label %logic.end3383
-logic.end3383:
-  %t629 = phi i1 [ false, %logic.from3381 ], [ %t628, %logic.rend3386 ]
-  br i1 %t629, label %then3387, label %else3388
-then3387:
-  store i1 true, ptr %a615
+ok3596:
+  %t598 = getelementptr inbounds %S.gen.Gen, ptr %t596, i32 0, i32 14
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  store { ptr, i64, i64 } %t599, ptr %a600
+  call void @finch_str_copy(ptr %a601, ptr %a600)
+  %t602 = load { ptr, i64, i64 }, ptr %a601
+  %t603 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t602, 0
+  %t604 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t605 = load { ptr, i64, i64 }, ptr %t604
+  store { ptr, i64, i64 } %t605, ptr %a606
+  call void @finch_str_copy(ptr %a607, ptr %a606)
+  %t608 = load { ptr, i64, i64 }, ptr %a607
+  %t609 = insertvalue %S.gen.Template %t603, { ptr, i64, i64 } %t608, 1
+  %t610 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t611 = load { ptr, i64, i64 }, ptr %t610
+  store { ptr, i64, i64 } %t611, ptr %a612
+  call void @finch_str_copy(ptr %a613, ptr %a612)
+  %t614 = load { ptr, i64, i64 }, ptr %a613
+  %t615 = insertvalue %S.gen.Template %t609, { ptr, i64, i64 } %t614, 2
+  %t616 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 3
+  %t617 = load { ptr, i64, i64 }, ptr %t616
+  store { ptr, i64, i64 } %t617, ptr %a618
+  call void @finch.copy.arr_str(ptr %a619, ptr %a618)
+  %t620 = load { ptr, i64, i64 }, ptr %a619
+  %t621 = insertvalue %S.gen.Template %t615, { ptr, i64, i64 } %t620, 3
+  %t622 = load i64, ptr %a477
+  %t623 = insertvalue %S.gen.Template %t621, i64 %t622, 4
+  %t624 = load i64, ptr %a511
+  %t625 = insertvalue %S.gen.Template %t623, i64 %t624, 5
+  %t626 = load i64, ptr %t595
+  %t627 = add i64 %t626, 1
+  call void @finch_arr_reserve(ptr %t594, i64 %t627, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
+  %t628 = load ptr, ptr %t594
+  %t629 = getelementptr inbounds %S.gen.Template, ptr %t628, i64 %t626
+  store %S.gen.Template %t625, ptr %t629
+  store i64 %t627, ptr %t595
+  call void @finch.drop.S_ast_Node(ptr %a534)
+  br label %for.step3568
+endif3578:
   %t630 = load ptr, ptr %a1
-  %t631 = load { ptr, i64, i64 }, ptr %a614
-  %t632 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
+  %t631 = icmp eq ptr %t630, null
+  br i1 %t631, label %panic3597, label %ok3598
+panic3597:
+  call void @finch_panic(ptr @.str.2249, i64 1506, ptr @.str.2250)
+  unreachable
+ok3598:
+  %t632 = getelementptr inbounds %S.gen.Gen, ptr %t630, i32 0, i32 14
   %t633 = load { ptr, i64, i64 }, ptr %t632
-  %t634 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t635 = load { ptr, i64, i64 }, ptr %t634
-  %t636 = call i64 @finch.gen.findMethod(ptr %t630, { ptr, i64, i64 } %t631, { ptr, i64, i64 } %t633, { ptr, i64, i64 } %t635)
-  %t637 = icmp sge i64 %t636, 0
-  br i1 %t637, label %then3390, label %endif3392
-then3390:
-  %t638 = load ptr, ptr %a1
-  %t639 = load %S.ast.Node, ptr %a515
-  %t640 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t641 = load { ptr, i64, i64 }, ptr %t640
-  store { ptr, i64, i64 } { ptr @.str.2164, i64 11, i64 0 }, ptr %a643
-  store { ptr, i64, i64 } %t641, ptr %a644
-  call void @finch_str_concat(ptr %a642, ptr %a643, ptr %a644)
-  %t645 = load { ptr, i64, i64 }, ptr %a642
-  store { ptr, i64, i64 } %t645, ptr %a647
-  store { ptr, i64, i64 } { ptr @.str.2165, i64 1, i64 0 }, ptr %a648
-  call void @finch_str_concat(ptr %a646, ptr %a647, ptr %a648)
-  %t649 = load { ptr, i64, i64 }, ptr %a646
-  %t650 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t651 = load { ptr, i64, i64 }, ptr %t650
-  store { ptr, i64, i64 } %t649, ptr %a653
-  store { ptr, i64, i64 } %t651, ptr %a654
-  call void @finch_str_concat(ptr %a652, ptr %a653, ptr %a654)
-  %t655 = load { ptr, i64, i64 }, ptr %a652
-  store { ptr, i64, i64 } %t655, ptr %a657
-  store { ptr, i64, i64 } { ptr @.str.2166, i64 17, i64 0 }, ptr %a658
-  call void @finch_str_concat(ptr %a656, ptr %a657, ptr %a658)
-  %t659 = load { ptr, i64, i64 }, ptr %a656
-  call void @finch.gen.fail(ptr %t638, %S.ast.Node %t639, { ptr, i64, i64 } %t659)
-  br label %endif3392
-endif3392:
-  br label %endif3389
-else3388:
-  %t660 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t661 = getelementptr inbounds { ptr, i64, i64 }, ptr %t660, i32 0, i32 1
-  %t662 = load i64, ptr %t661
-  %t663 = icmp sgt i64 %t662, 0
-  br i1 %t663, label %then3393, label %else3394
-then3393:
-  %t664 = load ptr, ptr %a1
-  %t665 = load ptr, ptr %a1
-  %t666 = icmp eq ptr %t665, null
-  br i1 %t666, label %panic3396, label %ok3397
-panic3396:
-  call void @finch_panic(ptr @.str.2167, i64 1366, ptr @.str.2168)
+  store { ptr, i64, i64 } %t633, ptr %a634
+  call void @finch_str_copy(ptr %a635, ptr %a634)
+  %t636 = load { ptr, i64, i64 }, ptr %a635
+  store { ptr, i64, i64 } %t636, ptr %a637
+  store i1 false, ptr %a638
+  %t639 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t640 = getelementptr inbounds { ptr, i64, i64 }, ptr %t639, i32 0, i32 1
+  %t641 = load i64, ptr %t640
+  %t642 = icmp sgt i64 %t641, 0
+  br label %logic.from3599
+logic.from3599:
+  br i1 %t642, label %logic.rhs3600, label %logic.end3601
+logic.rhs3600:
+  %t643 = load ptr, ptr %a1
+  %t644 = load ptr, ptr %a1
+  %t645 = icmp eq ptr %t644, null
+  br i1 %t645, label %panic3602, label %ok3603
+panic3602:
+  call void @finch_panic(ptr @.str.2251, i64 1508, ptr @.str.2252)
   unreachable
-ok3397:
-  %t667 = getelementptr inbounds %S.gen.Gen, ptr %t665, i32 0, i32 13
-  %t668 = load { ptr, i64, i64 }, ptr %t667
-  %t669 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t670 = load { ptr, i64, i64 }, ptr %t669
-  %t671 = call i64 @finch.gen.findStruct(ptr %t664, { ptr, i64, i64 } %t668, { ptr, i64, i64 } %t670)
-  store i64 %t671, ptr %a672
-  %t673 = load i64, ptr %a672
-  %t674 = icmp slt i64 %t673, 0
-  br label %logic.from3398
-logic.from3398:
-  br i1 %t674, label %logic.rhs3399, label %logic.end3400
-logic.rhs3399:
-  %t675 = load ptr, ptr %a1
-  %t676 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t677 = load { ptr, i64, i64 }, ptr %t676
-  %t678 = call i64 @finch.gen.findStruct(ptr %t675, { ptr, i64, i64 } { ptr @.str.2169, i64 1, i64 0 }, { ptr, i64, i64 } %t677)
-  %t679 = icmp sge i64 %t678, 0
-  br label %logic.rend3401
-logic.rend3401:
-  br label %logic.end3400
-logic.end3400:
-  %t680 = phi i1 [ false, %logic.from3398 ], [ %t679, %logic.rend3401 ]
-  br i1 %t680, label %then3402, label %endif3404
-then3402:
-  %t681 = load ptr, ptr %a1
-  %t682 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t683 = load { ptr, i64, i64 }, ptr %t682
-  %t684 = call i64 @finch.gen.findStruct(ptr %t681, { ptr, i64, i64 } { ptr @.str.2170, i64 1, i64 0 }, { ptr, i64, i64 } %t683)
-  store i64 %t684, ptr %a672
-  store { ptr, i64, i64 } { ptr @.str.2171, i64 1, i64 0 }, ptr %a614
-  br label %endif3404
-endif3404:
-  %t685 = load i64, ptr %a672
-  %t686 = icmp slt i64 %t685, 0
-  br i1 %t686, label %then3405, label %endif3407
-then3405:
-  %t687 = load ptr, ptr %a1
-  %t688 = load %S.ast.Node, ptr %a515
-  %t689 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t690 = load { ptr, i64, i64 }, ptr %t689
-  store { ptr, i64, i64 } { ptr @.str.2172, i64 26, i64 0 }, ptr %a692
-  store { ptr, i64, i64 } %t690, ptr %a693
-  call void @finch_str_concat(ptr %a691, ptr %a692, ptr %a693)
-  %t694 = load { ptr, i64, i64 }, ptr %a691
-  store { ptr, i64, i64 } %t694, ptr %a696
-  store { ptr, i64, i64 } { ptr @.str.2173, i64 76, i64 0 }, ptr %a697
-  call void @finch_str_concat(ptr %a695, ptr %a696, ptr %a697)
-  %t698 = load { ptr, i64, i64 }, ptr %a695
-  call void @finch.gen.fail(ptr %t687, %S.ast.Node %t688, { ptr, i64, i64 } %t698)
-  br label %endif3407
-endif3407:
-  %t699 = load ptr, ptr %a1
-  %t700 = load { ptr, i64, i64 }, ptr %a614
-  %t701 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t702 = load { ptr, i64, i64 }, ptr %t701
-  %t703 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
+ok3603:
+  %t646 = getelementptr inbounds %S.gen.Gen, ptr %t644, i32 0, i32 14
+  %t647 = load { ptr, i64, i64 }, ptr %t646
+  %t648 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t649 = load { ptr, i64, i64 }, ptr %t648
+  %t650 = call i64 @finch.gen.findEnum(ptr %t643, { ptr, i64, i64 } %t647, { ptr, i64, i64 } %t649)
+  %t651 = icmp sge i64 %t650, 0
+  br label %logic.rend3604
+logic.rend3604:
+  br label %logic.end3601
+logic.end3601:
+  %t652 = phi i1 [ false, %logic.from3599 ], [ %t651, %logic.rend3604 ]
+  br i1 %t652, label %then3605, label %else3606
+then3605:
+  store i1 true, ptr %a638
+  %t653 = load ptr, ptr %a1
+  %t654 = load { ptr, i64, i64 }, ptr %a637
+  %t655 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t656 = load { ptr, i64, i64 }, ptr %t655
+  %t657 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t658 = load { ptr, i64, i64 }, ptr %t657
+  %t659 = call i64 @finch.gen.findMethod(ptr %t653, { ptr, i64, i64 } %t654, { ptr, i64, i64 } %t656, { ptr, i64, i64 } %t658)
+  %t660 = icmp sge i64 %t659, 0
+  br i1 %t660, label %then3608, label %endif3610
+then3608:
+  %t661 = load ptr, ptr %a1
+  %t662 = load %S.ast.Node, ptr %a534
+  %t663 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t664 = load { ptr, i64, i64 }, ptr %t663
+  store { ptr, i64, i64 } { ptr @.str.2253, i64 11, i64 0 }, ptr %a666
+  store { ptr, i64, i64 } %t664, ptr %a667
+  call void @finch_str_concat(ptr %a665, ptr %a666, ptr %a667)
+  %t668 = load { ptr, i64, i64 }, ptr %a665
+  store { ptr, i64, i64 } %t668, ptr %a670
+  store { ptr, i64, i64 } { ptr @.str.2254, i64 1, i64 0 }, ptr %a671
+  call void @finch_str_concat(ptr %a669, ptr %a670, ptr %a671)
+  store { ptr, i64, i64 } %t668, ptr %a672
+  call void @finch_str_drop(ptr %a672)
+  %t673 = load { ptr, i64, i64 }, ptr %a669
+  %t674 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t675 = load { ptr, i64, i64 }, ptr %t674
+  store { ptr, i64, i64 } %t673, ptr %a677
+  store { ptr, i64, i64 } %t675, ptr %a678
+  call void @finch_str_concat(ptr %a676, ptr %a677, ptr %a678)
+  store { ptr, i64, i64 } %t673, ptr %a679
+  call void @finch_str_drop(ptr %a679)
+  %t680 = load { ptr, i64, i64 }, ptr %a676
+  store { ptr, i64, i64 } %t680, ptr %a682
+  store { ptr, i64, i64 } { ptr @.str.2255, i64 17, i64 0 }, ptr %a683
+  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
+  store { ptr, i64, i64 } %t680, ptr %a684
+  call void @finch_str_drop(ptr %a684)
+  %t685 = load { ptr, i64, i64 }, ptr %a681
+  call void @finch.gen.fail(ptr %t661, %S.ast.Node %t662, { ptr, i64, i64 } %t685)
+  store { ptr, i64, i64 } %t685, ptr %a686
+  call void @finch_str_drop(ptr %a686)
+  br label %endif3610
+endif3610:
+  br label %endif3607
+else3606:
+  %t687 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t688 = getelementptr inbounds { ptr, i64, i64 }, ptr %t687, i32 0, i32 1
+  %t689 = load i64, ptr %t688
+  %t690 = icmp sgt i64 %t689, 0
+  br i1 %t690, label %then3611, label %else3612
+then3611:
+  %t691 = load ptr, ptr %a1
+  %t692 = load ptr, ptr %a1
+  %t693 = icmp eq ptr %t692, null
+  br i1 %t693, label %panic3614, label %ok3615
+panic3614:
+  call void @finch_panic(ptr @.str.2256, i64 1514, ptr @.str.2257)
+  unreachable
+ok3615:
+  %t694 = getelementptr inbounds %S.gen.Gen, ptr %t692, i32 0, i32 14
+  %t695 = load { ptr, i64, i64 }, ptr %t694
+  %t696 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t697 = load { ptr, i64, i64 }, ptr %t696
+  %t698 = call i64 @finch.gen.findStruct(ptr %t691, { ptr, i64, i64 } %t695, { ptr, i64, i64 } %t697)
+  store i64 %t698, ptr %a699
+  %t700 = load i64, ptr %a699
+  %t701 = icmp slt i64 %t700, 0
+  br label %logic.from3616
+logic.from3616:
+  br i1 %t701, label %logic.rhs3617, label %logic.end3618
+logic.rhs3617:
+  %t702 = load ptr, ptr %a1
+  %t703 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
   %t704 = load { ptr, i64, i64 }, ptr %t703
-  %t705 = call i64 @finch.gen.findMethod(ptr %t699, { ptr, i64, i64 } %t700, { ptr, i64, i64 } %t702, { ptr, i64, i64 } %t704)
+  %t705 = call i64 @finch.gen.findStruct(ptr %t702, { ptr, i64, i64 } { ptr @.str.2258, i64 1, i64 0 }, { ptr, i64, i64 } %t704)
   %t706 = icmp sge i64 %t705, 0
-  br i1 %t706, label %then3408, label %endif3410
-then3408:
-  %t707 = load ptr, ptr %a1
-  %t708 = load %S.ast.Node, ptr %a515
-  %t709 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
+  br label %logic.rend3619
+logic.rend3619:
+  br label %logic.end3618
+logic.end3618:
+  %t707 = phi i1 [ false, %logic.from3616 ], [ %t706, %logic.rend3619 ]
+  br i1 %t707, label %then3620, label %endif3622
+then3620:
+  %t708 = load ptr, ptr %a1
+  %t709 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
   %t710 = load { ptr, i64, i64 }, ptr %t709
-  store { ptr, i64, i64 } { ptr @.str.2174, i64 11, i64 0 }, ptr %a712
-  store { ptr, i64, i64 } %t710, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t714, ptr %a716
-  store { ptr, i64, i64 } { ptr @.str.2175, i64 1, i64 0 }, ptr %a717
-  call void @finch_str_concat(ptr %a715, ptr %a716, ptr %a717)
-  %t718 = load { ptr, i64, i64 }, ptr %a715
-  %t719 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t720 = load { ptr, i64, i64 }, ptr %t719
-  store { ptr, i64, i64 } %t718, ptr %a722
-  store { ptr, i64, i64 } %t720, ptr %a723
-  call void @finch_str_concat(ptr %a721, ptr %a722, ptr %a723)
-  %t724 = load { ptr, i64, i64 }, ptr %a721
-  store { ptr, i64, i64 } %t724, ptr %a726
-  store { ptr, i64, i64 } { ptr @.str.2176, i64 17, i64 0 }, ptr %a727
-  call void @finch_str_concat(ptr %a725, ptr %a726, ptr %a727)
-  %t728 = load { ptr, i64, i64 }, ptr %a725
-  call void @finch.gen.fail(ptr %t707, %S.ast.Node %t708, { ptr, i64, i64 } %t728)
-  br label %endif3410
-endif3410:
-  %t729 = load ptr, ptr %a1
-  %t730 = icmp eq ptr %t729, null
-  br i1 %t730, label %panic3411, label %ok3412
-panic3411:
-  call void @finch_panic(ptr @.str.2177, i64 1377, ptr @.str.2178)
-  unreachable
-ok3412:
-  %t731 = getelementptr inbounds %S.gen.Gen, ptr %t729, i32 0, i32 15
-  %t732 = load i64, ptr %a672
-  %t733 = load { ptr, i64, i64 }, ptr %t731
-  %t734 = extractvalue { ptr, i64, i64 } %t733, 1
-  %t735 = icmp uge i64 %t732, %t734
-  br i1 %t735, label %range3413, label %inrange3414
-range3413:
-  call void @finch_panic_index(ptr @.str.2179, i64 1377, i64 %t732, i64 %t734)
-  unreachable
-inrange3414:
-  %t736 = extractvalue { ptr, i64, i64 } %t733, 0
-  %t737 = getelementptr inbounds %S.gen.StructDef, ptr %t736, i64 %t732
-  %t738 = getelementptr inbounds %S.gen.StructDef, ptr %t737, i32 0, i32 11
-  %t739 = getelementptr inbounds { ptr, i64, i64 }, ptr %t738, i32 0, i32 1
-  %t740 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
+  %t711 = call i64 @finch.gen.findStruct(ptr %t708, { ptr, i64, i64 } { ptr @.str.2259, i64 1, i64 0 }, { ptr, i64, i64 } %t710)
+  store i64 %t711, ptr %a699
+  %t712 = load { ptr, i64, i64 }, ptr %a637
+  store { ptr, i64, i64 } { ptr @.str.2260, i64 1, i64 0 }, ptr %a637
+  store { ptr, i64, i64 } %t712, ptr %a713
+  call void @finch_str_drop(ptr %a713)
+  br label %endif3622
+endif3622:
+  %t714 = load i64, ptr %a699
+  %t715 = icmp slt i64 %t714, 0
+  br i1 %t715, label %then3623, label %endif3625
+then3623:
+  %t716 = load ptr, ptr %a1
+  %t717 = load %S.ast.Node, ptr %a534
+  %t718 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t719 = load { ptr, i64, i64 }, ptr %t718
+  store { ptr, i64, i64 } { ptr @.str.2261, i64 26, i64 0 }, ptr %a721
+  store { ptr, i64, i64 } %t719, ptr %a722
+  call void @finch_str_concat(ptr %a720, ptr %a721, ptr %a722)
+  %t723 = load { ptr, i64, i64 }, ptr %a720
+  store { ptr, i64, i64 } %t723, ptr %a725
+  store { ptr, i64, i64 } { ptr @.str.2262, i64 76, i64 0 }, ptr %a726
+  call void @finch_str_concat(ptr %a724, ptr %a725, ptr %a726)
+  store { ptr, i64, i64 } %t723, ptr %a727
+  call void @finch_str_drop(ptr %a727)
+  %t728 = load { ptr, i64, i64 }, ptr %a724
+  call void @finch.gen.fail(ptr %t716, %S.ast.Node %t717, { ptr, i64, i64 } %t728)
+  store { ptr, i64, i64 } %t728, ptr %a729
+  call void @finch_str_drop(ptr %a729)
+  br label %endif3625
+endif3625:
+  %t730 = load ptr, ptr %a1
+  %t731 = load { ptr, i64, i64 }, ptr %a637
+  %t732 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t733 = load { ptr, i64, i64 }, ptr %t732
+  %t734 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t735 = load { ptr, i64, i64 }, ptr %t734
+  %t736 = call i64 @finch.gen.findMethod(ptr %t730, { ptr, i64, i64 } %t731, { ptr, i64, i64 } %t733, { ptr, i64, i64 } %t735)
+  %t737 = icmp sge i64 %t736, 0
+  br i1 %t737, label %then3626, label %endif3628
+then3626:
+  %t738 = load ptr, ptr %a1
+  %t739 = load %S.ast.Node, ptr %a534
+  %t740 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
   %t741 = load { ptr, i64, i64 }, ptr %t740
-  store i64 -1, ptr %a742
-  %t743 = load i64, ptr %t739
-  %t744 = load ptr, ptr %t738
-  store i64 0, ptr %a745
-  br label %find.cond3415
-find.cond3415:
-  %t746 = load i64, ptr %a745
-  %t747 = icmp slt i64 %t746, %t743
-  br i1 %t747, label %find.body3416, label %find.end3419
-find.body3416:
-  %t748 = getelementptr inbounds { ptr, i64, i64 }, ptr %t744, i64 %t746
-  %t749 = load { ptr, i64, i64 }, ptr %t748
-  store { ptr, i64, i64 } %t749, ptr %a750
-  store { ptr, i64, i64 } %t741, ptr %a751
-  %t752 = call i32 @finch_str_eq(ptr %a750, ptr %a751)
-  %t753 = icmp ne i32 %t752, 0
-  br i1 %t753, label %find.hit3417, label %find.next3418
-find.hit3417:
-  store i64 %t746, ptr %a742
-  br label %find.end3419
-find.next3418:
-  %t754 = add i64 %t746, 1
-  store i64 %t754, ptr %a745
-  br label %find.cond3415
-find.end3419:
-  %t755 = load i64, ptr %a742
-  %t756 = icmp sge i64 %t755, 0
-  br i1 %t756, label %then3420, label %endif3422
-then3420:
-  %t757 = load ptr, ptr %a1
-  %t758 = load %S.ast.Node, ptr %a515
-  %t759 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t760 = load { ptr, i64, i64 }, ptr %t759
-  store { ptr, i64, i64 } { ptr @.str.2180, i64 11, i64 0 }, ptr %a762
-  store { ptr, i64, i64 } %t760, ptr %a763
-  call void @finch_str_concat(ptr %a761, ptr %a762, ptr %a763)
-  %t764 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t764, ptr %a766
-  store { ptr, i64, i64 } { ptr @.str.2181, i64 28, i64 0 }, ptr %a767
-  call void @finch_str_concat(ptr %a765, ptr %a766, ptr %a767)
-  %t768 = load { ptr, i64, i64 }, ptr %a765
-  %t769 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t770 = load { ptr, i64, i64 }, ptr %t769
-  store { ptr, i64, i64 } %t768, ptr %a772
-  store { ptr, i64, i64 } %t770, ptr %a773
-  call void @finch_str_concat(ptr %a771, ptr %a772, ptr %a773)
-  %t774 = load { ptr, i64, i64 }, ptr %a771
-  store { ptr, i64, i64 } %t774, ptr %a776
-  store { ptr, i64, i64 } { ptr @.str.2182, i64 1, i64 0 }, ptr %a777
-  call void @finch_str_concat(ptr %a775, ptr %a776, ptr %a777)
-  %t778 = load { ptr, i64, i64 }, ptr %a775
-  call void @finch.gen.fail(ptr %t757, %S.ast.Node %t758, { ptr, i64, i64 } %t778)
-  br label %endif3422
-endif3422:
-  br label %endif3395
-else3394:
-  %t779 = load ptr, ptr %a1
-  %t780 = load ptr, ptr %a1
-  %t781 = icmp eq ptr %t780, null
-  br i1 %t781, label %panic3423, label %ok3424
-panic3423:
-  call void @finch_panic(ptr @.str.2183, i64 1381, ptr @.str.2184)
+  store { ptr, i64, i64 } { ptr @.str.2263, i64 11, i64 0 }, ptr %a743
+  store { ptr, i64, i64 } %t741, ptr %a744
+  call void @finch_str_concat(ptr %a742, ptr %a743, ptr %a744)
+  %t745 = load { ptr, i64, i64 }, ptr %a742
+  store { ptr, i64, i64 } %t745, ptr %a747
+  store { ptr, i64, i64 } { ptr @.str.2264, i64 1, i64 0 }, ptr %a748
+  call void @finch_str_concat(ptr %a746, ptr %a747, ptr %a748)
+  store { ptr, i64, i64 } %t745, ptr %a749
+  call void @finch_str_drop(ptr %a749)
+  %t750 = load { ptr, i64, i64 }, ptr %a746
+  %t751 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t752 = load { ptr, i64, i64 }, ptr %t751
+  store { ptr, i64, i64 } %t750, ptr %a754
+  store { ptr, i64, i64 } %t752, ptr %a755
+  call void @finch_str_concat(ptr %a753, ptr %a754, ptr %a755)
+  store { ptr, i64, i64 } %t750, ptr %a756
+  call void @finch_str_drop(ptr %a756)
+  %t757 = load { ptr, i64, i64 }, ptr %a753
+  store { ptr, i64, i64 } %t757, ptr %a759
+  store { ptr, i64, i64 } { ptr @.str.2265, i64 17, i64 0 }, ptr %a760
+  call void @finch_str_concat(ptr %a758, ptr %a759, ptr %a760)
+  store { ptr, i64, i64 } %t757, ptr %a761
+  call void @finch_str_drop(ptr %a761)
+  %t762 = load { ptr, i64, i64 }, ptr %a758
+  call void @finch.gen.fail(ptr %t738, %S.ast.Node %t739, { ptr, i64, i64 } %t762)
+  store { ptr, i64, i64 } %t762, ptr %a763
+  call void @finch_str_drop(ptr %a763)
+  br label %endif3628
+endif3628:
+  %t764 = load ptr, ptr %a1
+  %t765 = icmp eq ptr %t764, null
+  br i1 %t765, label %panic3629, label %ok3630
+panic3629:
+  call void @finch_panic(ptr @.str.2266, i64 1525, ptr @.str.2267)
   unreachable
-ok3424:
-  %t782 = getelementptr inbounds %S.gen.Gen, ptr %t780, i32 0, i32 13
-  %t783 = load { ptr, i64, i64 }, ptr %t782
-  %t784 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t785 = load { ptr, i64, i64 }, ptr %t784
-  %t786 = call i64 @finch.gen.findFn(ptr %t779, { ptr, i64, i64 } %t783, { ptr, i64, i64 } %t785)
-  %t787 = icmp sge i64 %t786, 0
-  br i1 %t787, label %then3425, label %endif3427
-then3425:
-  %t788 = load ptr, ptr %a1
-  %t789 = load %S.ast.Node, ptr %a515
-  %t790 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t791 = load { ptr, i64, i64 }, ptr %t790
-  store { ptr, i64, i64 } { ptr @.str.2185, i64 10, i64 0 }, ptr %a793
-  store { ptr, i64, i64 } %t791, ptr %a794
-  call void @finch_str_concat(ptr %a792, ptr %a793, ptr %a794)
-  %t795 = load { ptr, i64, i64 }, ptr %a792
-  store { ptr, i64, i64 } %t795, ptr %a797
-  store { ptr, i64, i64 } { ptr @.str.2186, i64 18, i64 0 }, ptr %a798
+ok3630:
+  %t766 = getelementptr inbounds %S.gen.Gen, ptr %t764, i32 0, i32 16
+  %t767 = load i64, ptr %a699
+  %t768 = load { ptr, i64, i64 }, ptr %t766
+  %t769 = extractvalue { ptr, i64, i64 } %t768, 1
+  %t770 = icmp uge i64 %t767, %t769
+  br i1 %t770, label %range3631, label %inrange3632
+range3631:
+  call void @finch_panic_index(ptr @.str.2268, i64 1525, i64 %t767, i64 %t769)
+  unreachable
+inrange3632:
+  %t771 = extractvalue { ptr, i64, i64 } %t768, 0
+  %t772 = getelementptr inbounds %S.gen.StructDef, ptr %t771, i64 %t767
+  %t773 = getelementptr inbounds %S.gen.StructDef, ptr %t772, i32 0, i32 11
+  %t774 = getelementptr inbounds { ptr, i64, i64 }, ptr %t773, i32 0, i32 1
+  %t775 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t776 = load { ptr, i64, i64 }, ptr %t775
+  store i64 -1, ptr %a777
+  %t778 = load i64, ptr %t774
+  %t779 = load ptr, ptr %t773
+  store i64 0, ptr %a780
+  br label %find.cond3633
+find.cond3633:
+  %t781 = load i64, ptr %a780
+  %t782 = icmp slt i64 %t781, %t778
+  br i1 %t782, label %find.body3634, label %find.end3637
+find.body3634:
+  %t783 = getelementptr inbounds { ptr, i64, i64 }, ptr %t779, i64 %t781
+  %t784 = load { ptr, i64, i64 }, ptr %t783
+  store { ptr, i64, i64 } %t784, ptr %a785
+  store { ptr, i64, i64 } %t776, ptr %a786
+  %t787 = call i32 @finch_str_eq(ptr %a785, ptr %a786)
+  %t788 = icmp ne i32 %t787, 0
+  br i1 %t788, label %find.hit3635, label %find.next3636
+find.hit3635:
+  store i64 %t781, ptr %a777
+  br label %find.end3637
+find.next3636:
+  %t789 = add i64 %t781, 1
+  store i64 %t789, ptr %a780
+  br label %find.cond3633
+find.end3637:
+  %t790 = load i64, ptr %a777
+  %t791 = icmp sge i64 %t790, 0
+  br i1 %t791, label %then3638, label %endif3640
+then3638:
+  %t792 = load ptr, ptr %a1
+  %t793 = load %S.ast.Node, ptr %a534
+  %t794 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t795 = load { ptr, i64, i64 }, ptr %t794
+  store { ptr, i64, i64 } { ptr @.str.2269, i64 11, i64 0 }, ptr %a797
+  store { ptr, i64, i64 } %t795, ptr %a798
   call void @finch_str_concat(ptr %a796, ptr %a797, ptr %a798)
   %t799 = load { ptr, i64, i64 }, ptr %a796
-  call void @finch.gen.fail(ptr %t788, %S.ast.Node %t789, { ptr, i64, i64 } %t799)
-  br label %endif3427
-endif3427:
-  %t800 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t801 = load { ptr, i64, i64 }, ptr %t800
-  %t802 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t801)
-  br i1 %t802, label %then3428, label %endif3430
-then3428:
-  %t803 = load ptr, ptr %a1
-  %t804 = load %S.ast.Node, ptr %a515
-  %t805 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
+  store { ptr, i64, i64 } %t799, ptr %a801
+  store { ptr, i64, i64 } { ptr @.str.2270, i64 28, i64 0 }, ptr %a802
+  call void @finch_str_concat(ptr %a800, ptr %a801, ptr %a802)
+  store { ptr, i64, i64 } %t799, ptr %a803
+  call void @finch_str_drop(ptr %a803)
+  %t804 = load { ptr, i64, i64 }, ptr %a800
+  %t805 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
   %t806 = load { ptr, i64, i64 }, ptr %t805
-  store { ptr, i64, i64 } { ptr @.str.2187, i64 1, i64 0 }, ptr %a808
+  store { ptr, i64, i64 } %t804, ptr %a808
   store { ptr, i64, i64 } %t806, ptr %a809
   call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
-  %t810 = load { ptr, i64, i64 }, ptr %a807
-  store { ptr, i64, i64 } %t810, ptr %a812
-  store { ptr, i64, i64 } { ptr @.str.2188, i64 43, i64 0 }, ptr %a813
-  call void @finch_str_concat(ptr %a811, ptr %a812, ptr %a813)
-  %t814 = load { ptr, i64, i64 }, ptr %a811
-  call void @finch.gen.fail(ptr %t803, %S.ast.Node %t804, { ptr, i64, i64 } %t814)
-  br label %endif3430
-endif3430:
-  br label %endif3395
-endif3395:
-  br label %endif3389
-endif3389:
-  %t815 = load ptr, ptr %a1
-  %t816 = icmp eq ptr %t815, null
-  br i1 %t816, label %panic3431, label %ok3432
-panic3431:
-  call void @finch_panic(ptr @.str.2189, i64 1388, ptr @.str.2190)
+  store { ptr, i64, i64 } %t804, ptr %a810
+  call void @finch_str_drop(ptr %a810)
+  %t811 = load { ptr, i64, i64 }, ptr %a807
+  store { ptr, i64, i64 } %t811, ptr %a813
+  store { ptr, i64, i64 } { ptr @.str.2271, i64 1, i64 0 }, ptr %a814
+  call void @finch_str_concat(ptr %a812, ptr %a813, ptr %a814)
+  store { ptr, i64, i64 } %t811, ptr %a815
+  call void @finch_str_drop(ptr %a815)
+  %t816 = load { ptr, i64, i64 }, ptr %a812
+  call void @finch.gen.fail(ptr %t792, %S.ast.Node %t793, { ptr, i64, i64 } %t816)
+  store { ptr, i64, i64 } %t816, ptr %a817
+  call void @finch_str_drop(ptr %a817)
+  br label %endif3640
+endif3640:
+  br label %endif3613
+else3612:
+  %t818 = load ptr, ptr %a1
+  %t819 = load ptr, ptr %a1
+  %t820 = icmp eq ptr %t819, null
+  br i1 %t820, label %panic3641, label %ok3642
+panic3641:
+  call void @finch_panic(ptr @.str.2272, i64 1529, ptr @.str.2273)
   unreachable
-ok3432:
-  %t817 = getelementptr inbounds %S.gen.Gen, ptr %t815, i32 0, i32 13
-  %t818 = load { ptr, i64, i64 }, ptr %t817
-  store { ptr, i64, i64 } %t818, ptr %a819
-  call void @finch_str_copy(ptr %a820, ptr %a819)
-  %t821 = load { ptr, i64, i64 }, ptr %a820
-  %t822 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t821, 0
-  %t823 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
+ok3642:
+  %t821 = getelementptr inbounds %S.gen.Gen, ptr %t819, i32 0, i32 14
+  %t822 = load { ptr, i64, i64 }, ptr %t821
+  %t823 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
   %t824 = load { ptr, i64, i64 }, ptr %t823
-  store { ptr, i64, i64 } %t824, ptr %a825
-  call void @finch_str_copy(ptr %a826, ptr %a825)
-  %t827 = load { ptr, i64, i64 }, ptr %a826
-  %t828 = insertvalue %S.gen.FnSig %t822, { ptr, i64, i64 } %t827, 1
-  %t829 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
+  %t825 = call i64 @finch.gen.findFn(ptr %t818, { ptr, i64, i64 } %t822, { ptr, i64, i64 } %t824)
+  %t826 = icmp sge i64 %t825, 0
+  br i1 %t826, label %then3643, label %endif3645
+then3643:
+  %t827 = load ptr, ptr %a1
+  %t828 = load %S.ast.Node, ptr %a534
+  %t829 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
   %t830 = load { ptr, i64, i64 }, ptr %t829
-  store { ptr, i64, i64 } %t830, ptr %a831
-  call void @finch_str_copy(ptr %a832, ptr %a831)
-  %t833 = load { ptr, i64, i64 }, ptr %a832
-  %t834 = insertvalue %S.gen.FnSig %t828, { ptr, i64, i64 } %t833, 2
-  %t835 = load { ptr, i64, i64 }, ptr %a614
-  store { ptr, i64, i64 } %t835, ptr %a836
-  call void @finch_str_copy(ptr %a837, ptr %a836)
-  %t838 = load { ptr, i64, i64 }, ptr %a837
-  %t839 = insertvalue %S.gen.FnSig %t834, { ptr, i64, i64 } %t838, 3
-  %t840 = load i1, ptr %a615
-  %t841 = insertvalue %S.gen.FnSig %t839, i1 %t840, 4
-  %t842 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 8
-  %t843 = load i1, ptr %t842
-  %t844 = insertvalue %S.gen.FnSig %t841, i1 %t843, 5
-  %t845 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 7
-  %t846 = load i1, ptr %t845
-  %t847 = insertvalue %S.gen.FnSig %t844, i1 %t846, 9
-  %t848 = load i64, ptr %a460
-  %t849 = insertvalue %S.gen.FnSig %t847, i64 %t848, 16
-  %t850 = load i64, ptr %a492
-  %t851 = insertvalue %S.gen.FnSig %t849, i64 %t850, 17
-  store %S.gen.FnSig %t851, ptr %a852
-  %t853 = load ptr, ptr %a1
-  %t854 = icmp eq ptr %t853, null
-  br i1 %t854, label %panic3433, label %ok3434
-panic3433:
-  call void @finch_panic(ptr @.str.2192, i64 1389, ptr @.str.2193)
+  store { ptr, i64, i64 } { ptr @.str.2274, i64 10, i64 0 }, ptr %a832
+  store { ptr, i64, i64 } %t830, ptr %a833
+  call void @finch_str_concat(ptr %a831, ptr %a832, ptr %a833)
+  %t834 = load { ptr, i64, i64 }, ptr %a831
+  store { ptr, i64, i64 } %t834, ptr %a836
+  store { ptr, i64, i64 } { ptr @.str.2275, i64 18, i64 0 }, ptr %a837
+  call void @finch_str_concat(ptr %a835, ptr %a836, ptr %a837)
+  store { ptr, i64, i64 } %t834, ptr %a838
+  call void @finch_str_drop(ptr %a838)
+  %t839 = load { ptr, i64, i64 }, ptr %a835
+  call void @finch.gen.fail(ptr %t827, %S.ast.Node %t828, { ptr, i64, i64 } %t839)
+  store { ptr, i64, i64 } %t839, ptr %a840
+  call void @finch_str_drop(ptr %a840)
+  br label %endif3645
+endif3645:
+  %t841 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t842 = load { ptr, i64, i64 }, ptr %t841
+  %t843 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t842)
+  br i1 %t843, label %then3646, label %endif3648
+then3646:
+  %t844 = load ptr, ptr %a1
+  %t845 = load %S.ast.Node, ptr %a534
+  %t846 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t847 = load { ptr, i64, i64 }, ptr %t846
+  store { ptr, i64, i64 } { ptr @.str.2276, i64 1, i64 0 }, ptr %a849
+  store { ptr, i64, i64 } %t847, ptr %a850
+  call void @finch_str_concat(ptr %a848, ptr %a849, ptr %a850)
+  %t851 = load { ptr, i64, i64 }, ptr %a848
+  store { ptr, i64, i64 } %t851, ptr %a853
+  store { ptr, i64, i64 } { ptr @.str.2277, i64 43, i64 0 }, ptr %a854
+  call void @finch_str_concat(ptr %a852, ptr %a853, ptr %a854)
+  store { ptr, i64, i64 } %t851, ptr %a855
+  call void @finch_str_drop(ptr %a855)
+  %t856 = load { ptr, i64, i64 }, ptr %a852
+  call void @finch.gen.fail(ptr %t844, %S.ast.Node %t845, { ptr, i64, i64 } %t856)
+  store { ptr, i64, i64 } %t856, ptr %a857
+  call void @finch_str_drop(ptr %a857)
+  br label %endif3648
+endif3648:
+  br label %endif3613
+endif3613:
+  br label %endif3607
+endif3607:
+  %t858 = load ptr, ptr %a1
+  %t859 = icmp eq ptr %t858, null
+  br i1 %t859, label %panic3649, label %ok3650
+panic3649:
+  call void @finch_panic(ptr @.str.2278, i64 1536, ptr @.str.2279)
   unreachable
-ok3434:
-  %t855 = getelementptr inbounds %S.gen.Gen, ptr %t853, i32 0, i32 13
-  %t856 = load { ptr, i64, i64 }, ptr %t855
-  %t857 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t856)
-  store { ptr, i64, i64 } { ptr @.str.2191, i64 7, i64 0 }, ptr %a859
-  store { ptr, i64, i64 } %t857, ptr %a860
-  call void @finch_str_concat(ptr %a858, ptr %a859, ptr %a860)
-  %t861 = load { ptr, i64, i64 }, ptr %a858
-  store { ptr, i64, i64 } %t861, ptr %a863
-  store { ptr, i64, i64 } { ptr @.str.2194, i64 1, i64 0 }, ptr %a864
-  call void @finch_str_concat(ptr %a862, ptr %a863, ptr %a864)
-  %t865 = load { ptr, i64, i64 }, ptr %a862
-  %t866 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
+ok3650:
+  %t860 = getelementptr inbounds %S.gen.Gen, ptr %t858, i32 0, i32 14
+  %t861 = load { ptr, i64, i64 }, ptr %t860
+  store { ptr, i64, i64 } %t861, ptr %a862
+  call void @finch_str_copy(ptr %a863, ptr %a862)
+  %t864 = load { ptr, i64, i64 }, ptr %a863
+  %t865 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t864, 0
+  %t866 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
   %t867 = load { ptr, i64, i64 }, ptr %t866
-  store { ptr, i64, i64 } %t865, ptr %a869
-  store { ptr, i64, i64 } %t867, ptr %a870
-  call void @finch_str_concat(ptr %a868, ptr %a869, ptr %a870)
-  %t871 = load { ptr, i64, i64 }, ptr %a868
-  %t872 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 11
-  store { ptr, i64, i64 } %t871, ptr %t872
-  %t873 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t874 = getelementptr inbounds { ptr, i64, i64 }, ptr %t873, i32 0, i32 1
-  %t875 = load i64, ptr %t874
-  %t876 = icmp sgt i64 %t875, 0
-  br i1 %t876, label %then3435, label %endif3437
-then3435:
-  %t877 = load ptr, ptr %a1
-  %t878 = icmp eq ptr %t877, null
-  br i1 %t878, label %panic3438, label %ok3439
-panic3438:
-  call void @finch_panic(ptr @.str.2196, i64 1391, ptr @.str.2197)
+  store { ptr, i64, i64 } %t867, ptr %a868
+  call void @finch_str_copy(ptr %a869, ptr %a868)
+  %t870 = load { ptr, i64, i64 }, ptr %a869
+  %t871 = insertvalue %S.gen.FnSig %t865, { ptr, i64, i64 } %t870, 1
+  %t872 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t873 = load { ptr, i64, i64 }, ptr %t872
+  store { ptr, i64, i64 } %t873, ptr %a874
+  call void @finch_str_copy(ptr %a875, ptr %a874)
+  %t876 = load { ptr, i64, i64 }, ptr %a875
+  %t877 = insertvalue %S.gen.FnSig %t871, { ptr, i64, i64 } %t876, 2
+  %t878 = load { ptr, i64, i64 }, ptr %a637
+  store { ptr, i64, i64 } %t878, ptr %a879
+  call void @finch_str_copy(ptr %a880, ptr %a879)
+  %t881 = load { ptr, i64, i64 }, ptr %a880
+  %t882 = insertvalue %S.gen.FnSig %t877, { ptr, i64, i64 } %t881, 3
+  %t883 = load i1, ptr %a638
+  %t884 = insertvalue %S.gen.FnSig %t882, i1 %t883, 4
+  %t885 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 8
+  %t886 = load i1, ptr %t885
+  %t887 = insertvalue %S.gen.FnSig %t884, i1 %t886, 5
+  %t888 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 7
+  %t889 = load i1, ptr %t888
+  %t890 = insertvalue %S.gen.FnSig %t887, i1 %t889, 9
+  %t891 = load i64, ptr %a477
+  %t892 = insertvalue %S.gen.FnSig %t890, i64 %t891, 16
+  %t893 = load i64, ptr %a511
+  %t894 = insertvalue %S.gen.FnSig %t892, i64 %t893, 17
+  store %S.gen.FnSig %t894, ptr %a895
+  %t896 = load ptr, ptr %a1
+  %t897 = icmp eq ptr %t896, null
+  br i1 %t897, label %panic3651, label %ok3652
+panic3651:
+  call void @finch_panic(ptr @.str.2281, i64 1537, ptr @.str.2282)
   unreachable
-ok3439:
-  %t879 = getelementptr inbounds %S.gen.Gen, ptr %t877, i32 0, i32 13
-  %t880 = load { ptr, i64, i64 }, ptr %t879
-  %t881 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t880)
-  store { ptr, i64, i64 } { ptr @.str.2195, i64 7, i64 0 }, ptr %a883
-  store { ptr, i64, i64 } %t881, ptr %a884
-  call void @finch_str_concat(ptr %a882, ptr %a883, ptr %a884)
-  %t885 = load { ptr, i64, i64 }, ptr %a882
-  store { ptr, i64, i64 } %t885, ptr %a887
-  store { ptr, i64, i64 } { ptr @.str.2198, i64 1, i64 0 }, ptr %a888
-  call void @finch_str_concat(ptr %a886, ptr %a887, ptr %a888)
-  %t889 = load { ptr, i64, i64 }, ptr %a886
-  %t890 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t891 = load { ptr, i64, i64 }, ptr %t890
-  store { ptr, i64, i64 } %t889, ptr %a893
-  store { ptr, i64, i64 } %t891, ptr %a894
-  call void @finch_str_concat(ptr %a892, ptr %a893, ptr %a894)
-  %t895 = load { ptr, i64, i64 }, ptr %a892
-  store { ptr, i64, i64 } %t895, ptr %a897
-  store { ptr, i64, i64 } { ptr @.str.2199, i64 1, i64 0 }, ptr %a898
-  call void @finch_str_concat(ptr %a896, ptr %a897, ptr %a898)
-  %t899 = load { ptr, i64, i64 }, ptr %a896
-  %t900 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t901 = load { ptr, i64, i64 }, ptr %t900
-  store { ptr, i64, i64 } %t899, ptr %a903
-  store { ptr, i64, i64 } %t901, ptr %a904
-  call void @finch_str_concat(ptr %a902, ptr %a903, ptr %a904)
-  %t905 = load { ptr, i64, i64 }, ptr %a902
-  %t906 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 11
-  store { ptr, i64, i64 } %t905, ptr %t906
-  br label %endif3437
-endif3437:
-  %t907 = load ptr, ptr %a1
-  %t908 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 5
-  %t909 = load %S.ast.Type, ptr %t908
-  %t910 = load %S.ast.Node, ptr %a515
-  %t911 = call %S.ast.Type @finch.gen.resolve(ptr %t907, %S.ast.Type %t909, %S.ast.Node %t910)
-  %t912 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 12
-  store %S.ast.Type %t911, ptr %t912
-  %t913 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t914 = getelementptr inbounds { ptr, i64, i64 }, ptr %t913, i32 0, i32 1
-  %t915 = load i64, ptr %t914
-  %t916 = sub i64 %t915, 1
-  store i64 0, ptr %a917
-  br label %for.cond3440
-for.cond3440:
-  %t918 = load i64, ptr %a917
-  %t919 = icmp slt i64 %t918, %t916
-  br i1 %t919, label %for.body3441, label %for.end3443
-for.body3441:
-  %t920 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t921 = load i64, ptr %a917
-  %t922 = load { ptr, i64, i64 }, ptr %t920
-  %t923 = extractvalue { ptr, i64, i64 } %t922, 1
-  %t924 = icmp uge i64 %t921, %t923
-  br i1 %t924, label %range3444, label %inrange3445
-range3444:
-  call void @finch_panic_index(ptr @.str.2200, i64 1395, i64 %t921, i64 %t923)
+ok3652:
+  %t898 = getelementptr inbounds %S.gen.Gen, ptr %t896, i32 0, i32 14
+  %t899 = load { ptr, i64, i64 }, ptr %t898
+  %t900 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t899)
+  store { ptr, i64, i64 } { ptr @.str.2280, i64 7, i64 0 }, ptr %a902
+  store { ptr, i64, i64 } %t900, ptr %a903
+  call void @finch_str_concat(ptr %a901, ptr %a902, ptr %a903)
+  store { ptr, i64, i64 } %t900, ptr %a904
+  call void @finch_str_drop(ptr %a904)
+  %t905 = load { ptr, i64, i64 }, ptr %a901
+  store { ptr, i64, i64 } %t905, ptr %a907
+  store { ptr, i64, i64 } { ptr @.str.2283, i64 1, i64 0 }, ptr %a908
+  call void @finch_str_concat(ptr %a906, ptr %a907, ptr %a908)
+  store { ptr, i64, i64 } %t905, ptr %a909
+  call void @finch_str_drop(ptr %a909)
+  %t910 = load { ptr, i64, i64 }, ptr %a906
+  %t911 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t912 = load { ptr, i64, i64 }, ptr %t911
+  store { ptr, i64, i64 } %t910, ptr %a914
+  store { ptr, i64, i64 } %t912, ptr %a915
+  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
+  store { ptr, i64, i64 } %t910, ptr %a916
+  call void @finch_str_drop(ptr %a916)
+  %t917 = load { ptr, i64, i64 }, ptr %a913
+  %t918 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 11
+  %t919 = load { ptr, i64, i64 }, ptr %t918
+  store { ptr, i64, i64 } %t917, ptr %t918
+  store { ptr, i64, i64 } %t919, ptr %a920
+  call void @finch_str_drop(ptr %a920)
+  %t921 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t922 = getelementptr inbounds { ptr, i64, i64 }, ptr %t921, i32 0, i32 1
+  %t923 = load i64, ptr %t922
+  %t924 = icmp sgt i64 %t923, 0
+  br i1 %t924, label %then3653, label %endif3655
+then3653:
+  %t925 = load ptr, ptr %a1
+  %t926 = icmp eq ptr %t925, null
+  br i1 %t926, label %panic3656, label %ok3657
+panic3656:
+  call void @finch_panic(ptr @.str.2285, i64 1539, ptr @.str.2286)
   unreachable
-inrange3445:
-  %t925 = extractvalue { ptr, i64, i64 } %t922, 0
-  %t926 = getelementptr inbounds %S.ast.Node, ptr %t925, i64 %t921
-  %t927 = getelementptr inbounds %S.ast.Node, ptr %t926, i32 0, i32 1
+ok3657:
+  %t927 = getelementptr inbounds %S.gen.Gen, ptr %t925, i32 0, i32 14
   %t928 = load { ptr, i64, i64 }, ptr %t927
-  store { ptr, i64, i64 } %t928, ptr %a929
-  store { ptr, i64, i64 } { ptr @.str.2201, i64 4, i64 0 }, ptr %a930
-  %t931 = call i32 @finch_str_eq(ptr %a929, ptr %a930)
-  %t932 = icmp ne i32 %t931, 0
-  br label %logic.from3446
-logic.from3446:
-  br i1 %t932, label %logic.rhs3447, label %logic.end3448
-logic.rhs3447:
-  %t933 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t934 = getelementptr inbounds { ptr, i64, i64 }, ptr %t933, i32 0, i32 1
-  %t935 = load i64, ptr %t934
-  %t936 = icmp sgt i64 %t935, 0
-  br label %logic.rend3449
-logic.rend3449:
-  br label %logic.end3448
-logic.end3448:
-  %t937 = phi i1 [ false, %logic.from3446 ], [ %t936, %logic.rend3449 ]
-  br i1 %t937, label %then3450, label %endif3452
-then3450:
-  %t938 = load ptr, ptr %a1
-  %t939 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t940 = load i64, ptr %a917
-  %t941 = load { ptr, i64, i64 }, ptr %t939
-  %t942 = extractvalue { ptr, i64, i64 } %t941, 1
-  %t943 = icmp uge i64 %t940, %t942
-  br i1 %t943, label %range3453, label %inrange3454
-range3453:
-  call void @finch_panic_index(ptr @.str.2202, i64 1396, i64 %t940, i64 %t942)
-  unreachable
-inrange3454:
-  %t944 = extractvalue { ptr, i64, i64 } %t941, 0
-  %t945 = getelementptr inbounds %S.ast.Node, ptr %t944, i64 %t940
-  %t946 = load %S.ast.Node, ptr %t945
-  %t947 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t948 = load { ptr, i64, i64 }, ptr %t947
-  store { ptr, i64, i64 } { ptr @.str.2203, i64 22, i64 0 }, ptr %a950
-  store { ptr, i64, i64 } %t948, ptr %a951
-  call void @finch_str_concat(ptr %a949, ptr %a950, ptr %a951)
-  %t952 = load { ptr, i64, i64 }, ptr %a949
-  store { ptr, i64, i64 } %t952, ptr %a954
-  store { ptr, i64, i64 } { ptr @.str.2204, i64 24, i64 0 }, ptr %a955
-  call void @finch_str_concat(ptr %a953, ptr %a954, ptr %a955)
-  %t956 = load { ptr, i64, i64 }, ptr %a953
-  call void @finch.gen.fail(ptr %t938, %S.ast.Node %t946, { ptr, i64, i64 } %t956)
-  br label %endif3452
-endif3452:
-  %t957 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 13
-  %t958 = getelementptr inbounds { ptr, i64, i64 }, ptr %t957, i32 0, i32 1
-  %t959 = load ptr, ptr %a1
-  %t960 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t961 = load i64, ptr %a917
-  %t962 = load { ptr, i64, i64 }, ptr %t960
-  %t963 = extractvalue { ptr, i64, i64 } %t962, 1
-  %t964 = icmp uge i64 %t961, %t963
-  br i1 %t964, label %range3455, label %inrange3456
-range3455:
-  call void @finch_panic_index(ptr @.str.2205, i64 1398, i64 %t961, i64 %t963)
-  unreachable
-inrange3456:
-  %t965 = extractvalue { ptr, i64, i64 } %t962, 0
-  %t966 = getelementptr inbounds %S.ast.Node, ptr %t965, i64 %t961
-  %t967 = getelementptr inbounds %S.ast.Node, ptr %t966, i32 0, i32 5
+  %t929 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t928)
+  store { ptr, i64, i64 } { ptr @.str.2284, i64 7, i64 0 }, ptr %a931
+  store { ptr, i64, i64 } %t929, ptr %a932
+  call void @finch_str_concat(ptr %a930, ptr %a931, ptr %a932)
+  store { ptr, i64, i64 } %t929, ptr %a933
+  call void @finch_str_drop(ptr %a933)
+  %t934 = load { ptr, i64, i64 }, ptr %a930
+  store { ptr, i64, i64 } %t934, ptr %a936
+  store { ptr, i64, i64 } { ptr @.str.2287, i64 1, i64 0 }, ptr %a937
+  call void @finch_str_concat(ptr %a935, ptr %a936, ptr %a937)
+  store { ptr, i64, i64 } %t934, ptr %a938
+  call void @finch_str_drop(ptr %a938)
+  %t939 = load { ptr, i64, i64 }, ptr %a935
+  %t940 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t941 = load { ptr, i64, i64 }, ptr %t940
+  store { ptr, i64, i64 } %t939, ptr %a943
+  store { ptr, i64, i64 } %t941, ptr %a944
+  call void @finch_str_concat(ptr %a942, ptr %a943, ptr %a944)
+  store { ptr, i64, i64 } %t939, ptr %a945
+  call void @finch_str_drop(ptr %a945)
+  %t946 = load { ptr, i64, i64 }, ptr %a942
+  store { ptr, i64, i64 } %t946, ptr %a948
+  store { ptr, i64, i64 } { ptr @.str.2288, i64 1, i64 0 }, ptr %a949
+  call void @finch_str_concat(ptr %a947, ptr %a948, ptr %a949)
+  store { ptr, i64, i64 } %t946, ptr %a950
+  call void @finch_str_drop(ptr %a950)
+  %t951 = load { ptr, i64, i64 }, ptr %a947
+  %t952 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t953 = load { ptr, i64, i64 }, ptr %t952
+  store { ptr, i64, i64 } %t951, ptr %a955
+  store { ptr, i64, i64 } %t953, ptr %a956
+  call void @finch_str_concat(ptr %a954, ptr %a955, ptr %a956)
+  store { ptr, i64, i64 } %t951, ptr %a957
+  call void @finch_str_drop(ptr %a957)
+  %t958 = load { ptr, i64, i64 }, ptr %a954
+  %t959 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 11
+  %t960 = load { ptr, i64, i64 }, ptr %t959
+  store { ptr, i64, i64 } %t958, ptr %t959
+  store { ptr, i64, i64 } %t960, ptr %a961
+  call void @finch_str_drop(ptr %a961)
+  br label %endif3655
+endif3655:
+  %t962 = load ptr, ptr %a1
+  %t963 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 5
+  %t964 = load %S.ast.Type, ptr %t963
+  %t965 = load %S.ast.Node, ptr %a534
+  %t966 = call %S.ast.Type @finch.gen.resolve(ptr %t962, %S.ast.Type %t964, %S.ast.Node %t965)
+  %t967 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 12
   %t968 = load %S.ast.Type, ptr %t967
-  %t969 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t970 = load i64, ptr %a917
-  %t971 = load { ptr, i64, i64 }, ptr %t969
-  %t972 = extractvalue { ptr, i64, i64 } %t971, 1
-  %t973 = icmp uge i64 %t970, %t972
-  br i1 %t973, label %range3457, label %inrange3458
-range3457:
-  call void @finch_panic_index(ptr @.str.2206, i64 1398, i64 %t970, i64 %t972)
+  store %S.ast.Type %t966, ptr %t967
+  store %S.ast.Type %t968, ptr %a969
+  call void @finch.drop.S_ast_Type(ptr %a969)
+  %t970 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t971 = getelementptr inbounds { ptr, i64, i64 }, ptr %t970, i32 0, i32 1
+  %t972 = load i64, ptr %t971
+  %t973 = sub i64 %t972, 1
+  store i64 0, ptr %a974
+  br label %for.cond3658
+for.cond3658:
+  %t975 = load i64, ptr %a974
+  %t976 = icmp slt i64 %t975, %t973
+  br i1 %t976, label %for.body3659, label %for.end3661
+for.body3659:
+  %t977 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t978 = load i64, ptr %a974
+  %t979 = load { ptr, i64, i64 }, ptr %t977
+  %t980 = extractvalue { ptr, i64, i64 } %t979, 1
+  %t981 = icmp uge i64 %t978, %t980
+  br i1 %t981, label %range3662, label %inrange3663
+range3662:
+  call void @finch_panic_index(ptr @.str.2289, i64 1543, i64 %t978, i64 %t980)
   unreachable
-inrange3458:
-  %t974 = extractvalue { ptr, i64, i64 } %t971, 0
-  %t975 = getelementptr inbounds %S.ast.Node, ptr %t974, i64 %t970
-  %t976 = load %S.ast.Node, ptr %t975
-  %t977 = call %S.ast.Type @finch.gen.resolve(ptr %t959, %S.ast.Type %t968, %S.ast.Node %t976)
-  %t978 = load i64, ptr %t958
-  %t979 = add i64 %t978, 1
-  call void @finch_arr_reserve(ptr %t957, i64 %t979, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t980 = load ptr, ptr %t957
-  %t981 = getelementptr inbounds %S.ast.Type, ptr %t980, i64 %t978
-  store %S.ast.Type %t977, ptr %t981
-  store i64 %t979, ptr %t958
-  %t982 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 14
-  %t983 = getelementptr inbounds { ptr, i64, i64 }, ptr %t982, i32 0, i32 1
-  %t984 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t985 = load i64, ptr %a917
-  %t986 = load { ptr, i64, i64 }, ptr %t984
-  %t987 = extractvalue { ptr, i64, i64 } %t986, 1
-  %t988 = icmp uge i64 %t985, %t987
-  br i1 %t988, label %range3459, label %inrange3460
-range3459:
-  call void @finch_panic_index(ptr @.str.2207, i64 1399, i64 %t985, i64 %t987)
+inrange3663:
+  %t982 = extractvalue { ptr, i64, i64 } %t979, 0
+  %t983 = getelementptr inbounds %S.ast.Node, ptr %t982, i64 %t978
+  %t984 = getelementptr inbounds %S.ast.Node, ptr %t983, i32 0, i32 1
+  %t985 = load { ptr, i64, i64 }, ptr %t984
+  store { ptr, i64, i64 } %t985, ptr %a986
+  store { ptr, i64, i64 } { ptr @.str.2290, i64 4, i64 0 }, ptr %a987
+  %t988 = call i32 @finch_str_eq(ptr %a986, ptr %a987)
+  %t989 = icmp ne i32 %t988, 0
+  br label %logic.from3664
+logic.from3664:
+  br i1 %t989, label %logic.rhs3665, label %logic.end3666
+logic.rhs3665:
+  %t990 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t991 = getelementptr inbounds { ptr, i64, i64 }, ptr %t990, i32 0, i32 1
+  %t992 = load i64, ptr %t991
+  %t993 = icmp sgt i64 %t992, 0
+  br label %logic.rend3667
+logic.rend3667:
+  br label %logic.end3666
+logic.end3666:
+  %t994 = phi i1 [ false, %logic.from3664 ], [ %t993, %logic.rend3667 ]
+  br i1 %t994, label %then3668, label %endif3670
+then3668:
+  %t995 = load ptr, ptr %a1
+  %t996 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t997 = load i64, ptr %a974
+  %t998 = load { ptr, i64, i64 }, ptr %t996
+  %t999 = extractvalue { ptr, i64, i64 } %t998, 1
+  %t1000 = icmp uge i64 %t997, %t999
+  br i1 %t1000, label %range3671, label %inrange3672
+range3671:
+  call void @finch_panic_index(ptr @.str.2291, i64 1544, i64 %t997, i64 %t999)
   unreachable
-inrange3460:
-  %t989 = extractvalue { ptr, i64, i64 } %t986, 0
-  %t990 = getelementptr inbounds %S.ast.Node, ptr %t989, i64 %t985
-  %t991 = getelementptr inbounds %S.ast.Node, ptr %t990, i32 0, i32 1
-  %t992 = load { ptr, i64, i64 }, ptr %t991
-  store { ptr, i64, i64 } %t992, ptr %a993
-  call void @finch_str_copy(ptr %a994, ptr %a993)
-  %t995 = load { ptr, i64, i64 }, ptr %a994
-  %t996 = load i64, ptr %t983
-  %t997 = add i64 %t996, 1
-  call void @finch_arr_reserve(ptr %t982, i64 %t997, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t998 = load ptr, ptr %t982
-  %t999 = getelementptr inbounds { ptr, i64, i64 }, ptr %t998, i64 %t996
-  store { ptr, i64, i64 } %t995, ptr %t999
-  store i64 %t997, ptr %t983
-  br label %for.step3442
-for.step3442:
-  %t1000 = load i64, ptr %a917
-  %t1001 = add i64 %t1000, 1
-  store i64 %t1001, ptr %a917
-  br label %for.cond3440
-for.end3443:
-  %t1002 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 8
-  %t1003 = load i1, ptr %t1002
-  br i1 %t1003, label %then3461, label %endif3463
-then3461:
-  %t1004 = load ptr, ptr %a1
-  %t1005 = load %S.ast.Node, ptr %a515
-  %t1006 = load %S.gen.FnSig, ptr %a852
-  call void @finch.gen.checkExport(ptr %t1004, %S.ast.Node %t1005, %S.gen.FnSig %t1006)
-  br label %endif3463
-endif3463:
-  %t1007 = load ptr, ptr %a1
-  %t1008 = icmp eq ptr %t1007, null
-  br i1 %t1008, label %panic3464, label %ok3465
-panic3464:
-  call void @finch_panic(ptr @.str.2208, i64 1404, ptr @.str.2209)
+inrange3672:
+  %t1001 = extractvalue { ptr, i64, i64 } %t998, 0
+  %t1002 = getelementptr inbounds %S.ast.Node, ptr %t1001, i64 %t997
+  %t1003 = load %S.ast.Node, ptr %t1002
+  %t1004 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t1005 = load { ptr, i64, i64 }, ptr %t1004
+  store { ptr, i64, i64 } { ptr @.str.2292, i64 22, i64 0 }, ptr %a1007
+  store { ptr, i64, i64 } %t1005, ptr %a1008
+  call void @finch_str_concat(ptr %a1006, ptr %a1007, ptr %a1008)
+  %t1009 = load { ptr, i64, i64 }, ptr %a1006
+  store { ptr, i64, i64 } %t1009, ptr %a1011
+  store { ptr, i64, i64 } { ptr @.str.2293, i64 24, i64 0 }, ptr %a1012
+  call void @finch_str_concat(ptr %a1010, ptr %a1011, ptr %a1012)
+  store { ptr, i64, i64 } %t1009, ptr %a1013
+  call void @finch_str_drop(ptr %a1013)
+  %t1014 = load { ptr, i64, i64 }, ptr %a1010
+  call void @finch.gen.fail(ptr %t995, %S.ast.Node %t1003, { ptr, i64, i64 } %t1014)
+  store { ptr, i64, i64 } %t1014, ptr %a1015
+  call void @finch_str_drop(ptr %a1015)
+  br label %endif3670
+endif3670:
+  %t1016 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 13
+  %t1017 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1016, i32 0, i32 1
+  %t1018 = load ptr, ptr %a1
+  %t1019 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t1020 = load i64, ptr %a974
+  %t1021 = load { ptr, i64, i64 }, ptr %t1019
+  %t1022 = extractvalue { ptr, i64, i64 } %t1021, 1
+  %t1023 = icmp uge i64 %t1020, %t1022
+  br i1 %t1023, label %range3673, label %inrange3674
+range3673:
+  call void @finch_panic_index(ptr @.str.2294, i64 1546, i64 %t1020, i64 %t1022)
   unreachable
-ok3465:
-  %t1009 = getelementptr inbounds %S.gen.Gen, ptr %t1007, i32 0, i32 14
-  %t1010 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1009, i32 0, i32 1
-  %t1011 = load %S.gen.FnSig, ptr %a852
-  store %S.gen.FnSig %t1011, ptr %a1012
-  call void @finch.copy.S_gen_FnSig(ptr %a1013, ptr %a1012)
-  %t1014 = load %S.gen.FnSig, ptr %a1013
-  %t1015 = load i64, ptr %t1010
-  %t1016 = add i64 %t1015, 1
-  call void @finch_arr_reserve(ptr %t1009, i64 %t1016, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
-  %t1017 = load ptr, ptr %t1009
-  %t1018 = getelementptr inbounds %S.gen.FnSig, ptr %t1017, i64 %t1015
-  store %S.gen.FnSig %t1014, ptr %t1018
-  store i64 %t1016, ptr %t1010
-  br label %for.step3350
-for.step3350:
-  %t1019 = load i64, ptr %a492
-  %t1020 = add i64 %t1019, 1
-  store i64 %t1020, ptr %a492
-  br label %for.cond3348
-for.end3351:
-  br label %for.step3336
-for.step3336:
-  %t1021 = load i64, ptr %a460
-  %t1022 = add i64 %t1021, 1
-  store i64 %t1022, ptr %a460
-  br label %for.cond3334
-for.end3337:
-  store i1 true, ptr %a1023
-  br label %while.cond3466
-while.cond3466:
-  %t1024 = load i1, ptr %a1023
-  br i1 %t1024, label %while.body3467, label %while.end3468
-while.body3467:
-  store i1 false, ptr %a1023
-  %t1025 = load ptr, ptr %a1
-  %t1026 = icmp eq ptr %t1025, null
-  br i1 %t1026, label %panic3469, label %ok3470
-panic3469:
-  call void @finch_panic(ptr @.str.2210, i64 1412, ptr @.str.2211)
+inrange3674:
+  %t1024 = extractvalue { ptr, i64, i64 } %t1021, 0
+  %t1025 = getelementptr inbounds %S.ast.Node, ptr %t1024, i64 %t1020
+  %t1026 = getelementptr inbounds %S.ast.Node, ptr %t1025, i32 0, i32 5
+  %t1027 = load %S.ast.Type, ptr %t1026
+  %t1028 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t1029 = load i64, ptr %a974
+  %t1030 = load { ptr, i64, i64 }, ptr %t1028
+  %t1031 = extractvalue { ptr, i64, i64 } %t1030, 1
+  %t1032 = icmp uge i64 %t1029, %t1031
+  br i1 %t1032, label %range3675, label %inrange3676
+range3675:
+  call void @finch_panic_index(ptr @.str.2295, i64 1546, i64 %t1029, i64 %t1031)
   unreachable
-ok3470:
-  %t1027 = getelementptr inbounds %S.gen.Gen, ptr %t1025, i32 0, i32 14
-  %t1028 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1027, i32 0, i32 1
-  %t1029 = load i64, ptr %t1028
-  store i64 0, ptr %a1030
-  br label %for.cond3471
-for.cond3471:
-  %t1031 = load i64, ptr %a1030
-  %t1032 = icmp slt i64 %t1031, %t1029
-  br i1 %t1032, label %for.body3472, label %for.end3474
-for.body3472:
-  %t1033 = load ptr, ptr %a1
-  %t1034 = icmp eq ptr %t1033, null
-  br i1 %t1034, label %panic3475, label %ok3476
-panic3475:
-  call void @finch_panic(ptr @.str.2212, i64 1413, ptr @.str.2213)
+inrange3676:
+  %t1033 = extractvalue { ptr, i64, i64 } %t1030, 0
+  %t1034 = getelementptr inbounds %S.ast.Node, ptr %t1033, i64 %t1029
+  %t1035 = load %S.ast.Node, ptr %t1034
+  %t1036 = call %S.ast.Type @finch.gen.resolve(ptr %t1018, %S.ast.Type %t1027, %S.ast.Node %t1035)
+  %t1037 = load i64, ptr %t1017
+  %t1038 = add i64 %t1037, 1
+  call void @finch_arr_reserve(ptr %t1016, i64 %t1038, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t1039 = load ptr, ptr %t1016
+  %t1040 = getelementptr inbounds %S.ast.Type, ptr %t1039, i64 %t1037
+  store %S.ast.Type %t1036, ptr %t1040
+  store i64 %t1038, ptr %t1017
+  %t1041 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 14
+  %t1042 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1041, i32 0, i32 1
+  %t1043 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t1044 = load i64, ptr %a974
+  %t1045 = load { ptr, i64, i64 }, ptr %t1043
+  %t1046 = extractvalue { ptr, i64, i64 } %t1045, 1
+  %t1047 = icmp uge i64 %t1044, %t1046
+  br i1 %t1047, label %range3677, label %inrange3678
+range3677:
+  call void @finch_panic_index(ptr @.str.2296, i64 1547, i64 %t1044, i64 %t1046)
   unreachable
-ok3476:
-  %t1035 = getelementptr inbounds %S.gen.Gen, ptr %t1033, i32 0, i32 14
-  %t1036 = load i64, ptr %a1030
-  %t1037 = load { ptr, i64, i64 }, ptr %t1035
-  %t1038 = extractvalue { ptr, i64, i64 } %t1037, 1
-  %t1039 = icmp uge i64 %t1036, %t1038
-  br i1 %t1039, label %range3477, label %inrange3478
-range3477:
-  call void @finch_panic_index(ptr @.str.2214, i64 1413, i64 %t1036, i64 %t1038)
+inrange3678:
+  %t1048 = extractvalue { ptr, i64, i64 } %t1045, 0
+  %t1049 = getelementptr inbounds %S.ast.Node, ptr %t1048, i64 %t1044
+  %t1050 = getelementptr inbounds %S.ast.Node, ptr %t1049, i32 0, i32 1
+  %t1051 = load { ptr, i64, i64 }, ptr %t1050
+  store { ptr, i64, i64 } %t1051, ptr %a1052
+  call void @finch_str_copy(ptr %a1053, ptr %a1052)
+  %t1054 = load { ptr, i64, i64 }, ptr %a1053
+  %t1055 = load i64, ptr %t1042
+  %t1056 = add i64 %t1055, 1
+  call void @finch_arr_reserve(ptr %t1041, i64 %t1056, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1057 = load ptr, ptr %t1041
+  %t1058 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1057, i64 %t1055
+  store { ptr, i64, i64 } %t1054, ptr %t1058
+  store i64 %t1056, ptr %t1042
+  br label %for.step3660
+for.step3660:
+  %t1059 = load i64, ptr %a974
+  %t1060 = add i64 %t1059, 1
+  store i64 %t1060, ptr %a974
+  br label %for.cond3658
+for.end3661:
+  %t1061 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 8
+  %t1062 = load i1, ptr %t1061
+  br i1 %t1062, label %then3679, label %endif3681
+then3679:
+  %t1063 = load ptr, ptr %a1
+  %t1064 = load %S.ast.Node, ptr %a534
+  %t1065 = load %S.gen.FnSig, ptr %a895
+  call void @finch.gen.checkExport(ptr %t1063, %S.ast.Node %t1064, %S.gen.FnSig %t1065)
+  br label %endif3681
+endif3681:
+  %t1066 = load ptr, ptr %a1
+  %t1067 = icmp eq ptr %t1066, null
+  br i1 %t1067, label %panic3682, label %ok3683
+panic3682:
+  call void @finch_panic(ptr @.str.2297, i64 1552, ptr @.str.2298)
   unreachable
-inrange3478:
-  %t1040 = extractvalue { ptr, i64, i64 } %t1037, 0
-  %t1041 = getelementptr inbounds %S.gen.FnSig, ptr %t1040, i64 %t1036
-  %t1042 = getelementptr inbounds %S.gen.FnSig, ptr %t1041, i32 0, i32 2
-  %t1043 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1042, i32 0, i32 1
-  %t1044 = load i64, ptr %t1043
-  %t1045 = icmp sgt i64 %t1044, 0
-  br label %logic.from3479
-logic.from3479:
-  br i1 %t1045, label %logic.rhs3480, label %logic.end3481
-logic.rhs3480:
-  %t1046 = load ptr, ptr %a1
-  %t1047 = icmp eq ptr %t1046, null
-  br i1 %t1047, label %panic3482, label %ok3483
-panic3482:
-  call void @finch_panic(ptr @.str.2215, i64 1413, ptr @.str.2216)
+ok3683:
+  %t1068 = getelementptr inbounds %S.gen.Gen, ptr %t1066, i32 0, i32 15
+  %t1069 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1068, i32 0, i32 1
+  %t1070 = load %S.gen.FnSig, ptr %a895
+  store %S.gen.FnSig %t1070, ptr %a1071
+  call void @finch.copy.S_gen_FnSig(ptr %a1072, ptr %a1071)
+  %t1073 = load %S.gen.FnSig, ptr %a1072
+  %t1074 = load i64, ptr %t1069
+  %t1075 = add i64 %t1074, 1
+  call void @finch_arr_reserve(ptr %t1068, i64 %t1075, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
+  %t1076 = load ptr, ptr %t1068
+  %t1077 = getelementptr inbounds %S.gen.FnSig, ptr %t1076, i64 %t1074
+  store %S.gen.FnSig %t1073, ptr %t1077
+  store i64 %t1075, ptr %t1069
+  call void @finch.drop.S_gen_FnSig(ptr %a895)
+  call void @finch_str_drop(ptr %a637)
+  call void @finch.drop.S_ast_Node(ptr %a534)
+  br label %for.step3568
+for.step3568:
+  %t1078 = load i64, ptr %a511
+  %t1079 = add i64 %t1078, 1
+  store i64 %t1079, ptr %a511
+  br label %for.cond3566
+for.end3569:
+  br label %for.step3554
+for.step3554:
+  %t1080 = load i64, ptr %a477
+  %t1081 = add i64 %t1080, 1
+  store i64 %t1081, ptr %a477
+  br label %for.cond3552
+for.end3555:
+  store i1 true, ptr %a1082
+  br label %while.cond3684
+while.cond3684:
+  %t1083 = load i1, ptr %a1082
+  br i1 %t1083, label %while.body3685, label %while.end3686
+while.body3685:
+  store i1 false, ptr %a1082
+  %t1084 = load ptr, ptr %a1
+  %t1085 = icmp eq ptr %t1084, null
+  br i1 %t1085, label %panic3687, label %ok3688
+panic3687:
+  call void @finch_panic(ptr @.str.2299, i64 1560, ptr @.str.2300)
   unreachable
-ok3483:
-  %t1048 = getelementptr inbounds %S.gen.Gen, ptr %t1046, i32 0, i32 14
-  %t1049 = load i64, ptr %a1030
-  %t1050 = load { ptr, i64, i64 }, ptr %t1048
-  %t1051 = extractvalue { ptr, i64, i64 } %t1050, 1
-  %t1052 = icmp uge i64 %t1049, %t1051
-  br i1 %t1052, label %range3484, label %inrange3485
-range3484:
-  call void @finch_panic_index(ptr @.str.2217, i64 1413, i64 %t1049, i64 %t1051)
+ok3688:
+  %t1086 = getelementptr inbounds %S.gen.Gen, ptr %t1084, i32 0, i32 15
+  %t1087 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1086, i32 0, i32 1
+  %t1088 = load i64, ptr %t1087
+  store i64 0, ptr %a1089
+  br label %for.cond3689
+for.cond3689:
+  %t1090 = load i64, ptr %a1089
+  %t1091 = icmp slt i64 %t1090, %t1088
+  br i1 %t1091, label %for.body3690, label %for.end3692
+for.body3690:
+  %t1092 = load ptr, ptr %a1
+  %t1093 = icmp eq ptr %t1092, null
+  br i1 %t1093, label %panic3693, label %ok3694
+panic3693:
+  call void @finch_panic(ptr @.str.2301, i64 1561, ptr @.str.2302)
   unreachable
-inrange3485:
-  %t1053 = extractvalue { ptr, i64, i64 } %t1050, 0
-  %t1054 = getelementptr inbounds %S.gen.FnSig, ptr %t1053, i64 %t1049
-  %t1055 = getelementptr inbounds %S.gen.FnSig, ptr %t1054, i32 0, i32 10
-  %t1056 = load i1, ptr %t1055
-  %t1057 = xor i1 %t1056, true
-  br label %logic.rend3486
-logic.rend3486:
-  br label %logic.end3481
-logic.end3481:
-  %t1058 = phi i1 [ false, %logic.from3479 ], [ %t1057, %logic.rend3486 ]
-  br i1 %t1058, label %then3487, label %endif3489
-then3487:
-  %t1059 = load ptr, ptr %a1
-  %t1060 = icmp eq ptr %t1059, null
-  br i1 %t1060, label %panic3490, label %ok3491
-panic3490:
-  call void @finch_panic(ptr @.str.2218, i64 1414, ptr @.str.2219)
+ok3694:
+  %t1094 = getelementptr inbounds %S.gen.Gen, ptr %t1092, i32 0, i32 15
+  %t1095 = load i64, ptr %a1089
+  %t1096 = load { ptr, i64, i64 }, ptr %t1094
+  %t1097 = extractvalue { ptr, i64, i64 } %t1096, 1
+  %t1098 = icmp uge i64 %t1095, %t1097
+  br i1 %t1098, label %range3695, label %inrange3696
+range3695:
+  call void @finch_panic_index(ptr @.str.2303, i64 1561, i64 %t1095, i64 %t1097)
   unreachable
-ok3491:
-  %t1061 = getelementptr inbounds %S.gen.Gen, ptr %t1059, i32 0, i32 0
-  %t1062 = load ptr, ptr %a1
-  %t1063 = icmp eq ptr %t1062, null
-  br i1 %t1063, label %panic3492, label %ok3493
-panic3492:
-  call void @finch_panic(ptr @.str.2220, i64 1414, ptr @.str.2221)
+inrange3696:
+  %t1099 = extractvalue { ptr, i64, i64 } %t1096, 0
+  %t1100 = getelementptr inbounds %S.gen.FnSig, ptr %t1099, i64 %t1095
+  %t1101 = getelementptr inbounds %S.gen.FnSig, ptr %t1100, i32 0, i32 2
+  %t1102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1101, i32 0, i32 1
+  %t1103 = load i64, ptr %t1102
+  %t1104 = icmp sgt i64 %t1103, 0
+  br label %logic.from3697
+logic.from3697:
+  br i1 %t1104, label %logic.rhs3698, label %logic.end3699
+logic.rhs3698:
+  %t1105 = load ptr, ptr %a1
+  %t1106 = icmp eq ptr %t1105, null
+  br i1 %t1106, label %panic3700, label %ok3701
+panic3700:
+  call void @finch_panic(ptr @.str.2304, i64 1561, ptr @.str.2305)
   unreachable
-ok3493:
-  %t1064 = getelementptr inbounds %S.gen.Gen, ptr %t1062, i32 0, i32 14
-  %t1065 = load i64, ptr %a1030
-  %t1066 = load { ptr, i64, i64 }, ptr %t1064
-  %t1067 = extractvalue { ptr, i64, i64 } %t1066, 1
-  %t1068 = icmp uge i64 %t1065, %t1067
-  br i1 %t1068, label %range3494, label %inrange3495
-range3494:
-  call void @finch_panic_index(ptr @.str.2222, i64 1414, i64 %t1065, i64 %t1067)
+ok3701:
+  %t1107 = getelementptr inbounds %S.gen.Gen, ptr %t1105, i32 0, i32 15
+  %t1108 = load i64, ptr %a1089
+  %t1109 = load { ptr, i64, i64 }, ptr %t1107
+  %t1110 = extractvalue { ptr, i64, i64 } %t1109, 1
+  %t1111 = icmp uge i64 %t1108, %t1110
+  br i1 %t1111, label %range3702, label %inrange3703
+range3702:
+  call void @finch_panic_index(ptr @.str.2306, i64 1561, i64 %t1108, i64 %t1110)
   unreachable
-inrange3495:
-  %t1069 = extractvalue { ptr, i64, i64 } %t1066, 0
-  %t1070 = getelementptr inbounds %S.gen.FnSig, ptr %t1069, i64 %t1065
-  %t1071 = getelementptr inbounds %S.gen.FnSig, ptr %t1070, i32 0, i32 16
-  %t1072 = load i64, ptr %t1071
-  %t1073 = load { ptr, i64, i64 }, ptr %t1061
-  %t1074 = extractvalue { ptr, i64, i64 } %t1073, 1
-  %t1075 = icmp uge i64 %t1072, %t1074
-  br i1 %t1075, label %range3496, label %inrange3497
-range3496:
-  call void @finch_panic_index(ptr @.str.2223, i64 1414, i64 %t1072, i64 %t1074)
+inrange3703:
+  %t1112 = extractvalue { ptr, i64, i64 } %t1109, 0
+  %t1113 = getelementptr inbounds %S.gen.FnSig, ptr %t1112, i64 %t1108
+  %t1114 = getelementptr inbounds %S.gen.FnSig, ptr %t1113, i32 0, i32 10
+  %t1115 = load i1, ptr %t1114
+  %t1116 = xor i1 %t1115, true
+  br label %logic.rend3704
+logic.rend3704:
+  br label %logic.end3699
+logic.end3699:
+  %t1117 = phi i1 [ false, %logic.from3697 ], [ %t1116, %logic.rend3704 ]
+  br i1 %t1117, label %then3705, label %endif3707
+then3705:
+  %t1118 = load ptr, ptr %a1
+  %t1119 = icmp eq ptr %t1118, null
+  br i1 %t1119, label %panic3708, label %ok3709
+panic3708:
+  call void @finch_panic(ptr @.str.2307, i64 1562, ptr @.str.2308)
   unreachable
-inrange3497:
-  %t1076 = extractvalue { ptr, i64, i64 } %t1073, 0
-  %t1077 = getelementptr inbounds %S.ast.Program, ptr %t1076, i64 %t1072
-  %t1078 = getelementptr inbounds %S.ast.Program, ptr %t1077, i32 0, i32 8
-  %t1079 = load ptr, ptr %a1
-  %t1080 = icmp eq ptr %t1079, null
-  br i1 %t1080, label %panic3498, label %ok3499
-panic3498:
-  call void @finch_panic(ptr @.str.2224, i64 1414, ptr @.str.2225)
+ok3709:
+  %t1120 = getelementptr inbounds %S.gen.Gen, ptr %t1118, i32 0, i32 0
+  %t1121 = load ptr, ptr %a1
+  %t1122 = icmp eq ptr %t1121, null
+  br i1 %t1122, label %panic3710, label %ok3711
+panic3710:
+  call void @finch_panic(ptr @.str.2309, i64 1562, ptr @.str.2310)
   unreachable
-ok3499:
-  %t1081 = getelementptr inbounds %S.gen.Gen, ptr %t1079, i32 0, i32 14
-  %t1082 = load i64, ptr %a1030
-  %t1083 = load { ptr, i64, i64 }, ptr %t1081
-  %t1084 = extractvalue { ptr, i64, i64 } %t1083, 1
-  %t1085 = icmp uge i64 %t1082, %t1084
-  br i1 %t1085, label %range3500, label %inrange3501
-range3500:
-  call void @finch_panic_index(ptr @.str.2226, i64 1414, i64 %t1082, i64 %t1084)
+ok3711:
+  %t1123 = getelementptr inbounds %S.gen.Gen, ptr %t1121, i32 0, i32 15
+  %t1124 = load i64, ptr %a1089
+  %t1125 = load { ptr, i64, i64 }, ptr %t1123
+  %t1126 = extractvalue { ptr, i64, i64 } %t1125, 1
+  %t1127 = icmp uge i64 %t1124, %t1126
+  br i1 %t1127, label %range3712, label %inrange3713
+range3712:
+  call void @finch_panic_index(ptr @.str.2311, i64 1562, i64 %t1124, i64 %t1126)
   unreachable
-inrange3501:
-  %t1086 = extractvalue { ptr, i64, i64 } %t1083, 0
-  %t1087 = getelementptr inbounds %S.gen.FnSig, ptr %t1086, i64 %t1082
-  %t1088 = getelementptr inbounds %S.gen.FnSig, ptr %t1087, i32 0, i32 17
-  %t1089 = load i64, ptr %t1088
-  %t1090 = load { ptr, i64, i64 }, ptr %t1078
-  %t1091 = extractvalue { ptr, i64, i64 } %t1090, 1
-  %t1092 = icmp uge i64 %t1089, %t1091
-  br i1 %t1092, label %range3502, label %inrange3503
-range3502:
-  call void @finch_panic_index(ptr @.str.2227, i64 1414, i64 %t1089, i64 %t1091)
+inrange3713:
+  %t1128 = extractvalue { ptr, i64, i64 } %t1125, 0
+  %t1129 = getelementptr inbounds %S.gen.FnSig, ptr %t1128, i64 %t1124
+  %t1130 = getelementptr inbounds %S.gen.FnSig, ptr %t1129, i32 0, i32 16
+  %t1131 = load i64, ptr %t1130
+  %t1132 = load { ptr, i64, i64 }, ptr %t1120
+  %t1133 = extractvalue { ptr, i64, i64 } %t1132, 1
+  %t1134 = icmp uge i64 %t1131, %t1133
+  br i1 %t1134, label %range3714, label %inrange3715
+range3714:
+  call void @finch_panic_index(ptr @.str.2312, i64 1562, i64 %t1131, i64 %t1133)
   unreachable
-inrange3503:
-  %t1093 = extractvalue { ptr, i64, i64 } %t1090, 0
-  %t1094 = getelementptr inbounds %S.ast.Node, ptr %t1093, i64 %t1089
-  %t1095 = load %S.ast.Node, ptr %t1094
-  store %S.ast.Node %t1095, ptr %a1096
-  call void @finch.copy.S_ast_Node(ptr %a1097, ptr %a1096)
-  %t1098 = load %S.ast.Node, ptr %a1097
-  store %S.ast.Node %t1098, ptr %a1099
-  %t1100 = load ptr, ptr %a1
-  %t1101 = getelementptr inbounds %S.ast.Node, ptr %a1099, i32 0, i32 9
-  %t1102 = getelementptr inbounds %S.ast.Node, ptr %a1099, i32 0, i32 9
-  %t1103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1102, i32 0, i32 1
-  %t1104 = load i64, ptr %t1103
-  %t1105 = sub i64 %t1104, 1
-  %t1106 = load { ptr, i64, i64 }, ptr %t1101
-  %t1107 = extractvalue { ptr, i64, i64 } %t1106, 1
-  %t1108 = icmp uge i64 %t1105, %t1107
-  br i1 %t1108, label %range3504, label %inrange3505
-range3504:
-  call void @finch_panic_index(ptr @.str.2229, i64 1415, i64 %t1105, i64 %t1107)
+inrange3715:
+  %t1135 = extractvalue { ptr, i64, i64 } %t1132, 0
+  %t1136 = getelementptr inbounds %S.ast.Program, ptr %t1135, i64 %t1131
+  %t1137 = getelementptr inbounds %S.ast.Program, ptr %t1136, i32 0, i32 8
+  %t1138 = load ptr, ptr %a1
+  %t1139 = icmp eq ptr %t1138, null
+  br i1 %t1139, label %panic3716, label %ok3717
+panic3716:
+  call void @finch_panic(ptr @.str.2313, i64 1562, ptr @.str.2314)
   unreachable
-inrange3505:
-  %t1109 = extractvalue { ptr, i64, i64 } %t1106, 0
-  %t1110 = getelementptr inbounds %S.ast.Node, ptr %t1109, i64 %t1105
-  %t1111 = load %S.ast.Node, ptr %t1110
-  %t1112 = call i1 @finch.gen.mutates(ptr %t1100, { ptr, i64, i64 } { ptr @.str.2228, i64 4, i64 0 }, %S.ast.Node %t1111)
-  br i1 %t1112, label %then3506, label %endif3508
-then3506:
-  %t1113 = load ptr, ptr %a1
-  %t1114 = icmp eq ptr %t1113, null
-  br i1 %t1114, label %panic3509, label %ok3510
-panic3509:
-  call void @finch_panic(ptr @.str.2230, i64 1416, ptr @.str.2231)
+ok3717:
+  %t1140 = getelementptr inbounds %S.gen.Gen, ptr %t1138, i32 0, i32 15
+  %t1141 = load i64, ptr %a1089
+  %t1142 = load { ptr, i64, i64 }, ptr %t1140
+  %t1143 = extractvalue { ptr, i64, i64 } %t1142, 1
+  %t1144 = icmp uge i64 %t1141, %t1143
+  br i1 %t1144, label %range3718, label %inrange3719
+range3718:
+  call void @finch_panic_index(ptr @.str.2315, i64 1562, i64 %t1141, i64 %t1143)
   unreachable
-ok3510:
-  %t1115 = getelementptr inbounds %S.gen.Gen, ptr %t1113, i32 0, i32 14
-  %t1116 = load i64, ptr %a1030
-  %t1117 = load { ptr, i64, i64 }, ptr %t1115
-  %t1118 = extractvalue { ptr, i64, i64 } %t1117, 1
-  %t1119 = icmp uge i64 %t1116, %t1118
-  br i1 %t1119, label %range3511, label %inrange3512
-range3511:
-  call void @finch_panic_index(ptr @.str.2232, i64 1416, i64 %t1116, i64 %t1118)
+inrange3719:
+  %t1145 = extractvalue { ptr, i64, i64 } %t1142, 0
+  %t1146 = getelementptr inbounds %S.gen.FnSig, ptr %t1145, i64 %t1141
+  %t1147 = getelementptr inbounds %S.gen.FnSig, ptr %t1146, i32 0, i32 17
+  %t1148 = load i64, ptr %t1147
+  %t1149 = load { ptr, i64, i64 }, ptr %t1137
+  %t1150 = extractvalue { ptr, i64, i64 } %t1149, 1
+  %t1151 = icmp uge i64 %t1148, %t1150
+  br i1 %t1151, label %range3720, label %inrange3721
+range3720:
+  call void @finch_panic_index(ptr @.str.2316, i64 1562, i64 %t1148, i64 %t1150)
   unreachable
-inrange3512:
-  %t1120 = extractvalue { ptr, i64, i64 } %t1117, 0
-  %t1121 = getelementptr inbounds %S.gen.FnSig, ptr %t1120, i64 %t1116
-  %t1122 = getelementptr inbounds %S.gen.FnSig, ptr %t1121, i32 0, i32 10
-  store i1 true, ptr %t1122
-  %t1123 = load ptr, ptr %a1
-  %t1124 = icmp eq ptr %t1123, null
-  br i1 %t1124, label %panic3513, label %ok3514
-panic3513:
-  call void @finch_panic(ptr @.str.2233, i64 1417, ptr @.str.2234)
+inrange3721:
+  %t1152 = extractvalue { ptr, i64, i64 } %t1149, 0
+  %t1153 = getelementptr inbounds %S.ast.Node, ptr %t1152, i64 %t1148
+  %t1154 = load %S.ast.Node, ptr %t1153
+  store %S.ast.Node %t1154, ptr %a1155
+  call void @finch.copy.S_ast_Node(ptr %a1156, ptr %a1155)
+  %t1157 = load %S.ast.Node, ptr %a1156
+  store %S.ast.Node %t1157, ptr %a1158
+  %t1159 = load ptr, ptr %a1
+  %t1160 = getelementptr inbounds %S.ast.Node, ptr %a1158, i32 0, i32 9
+  %t1161 = getelementptr inbounds %S.ast.Node, ptr %a1158, i32 0, i32 9
+  %t1162 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1161, i32 0, i32 1
+  %t1163 = load i64, ptr %t1162
+  %t1164 = sub i64 %t1163, 1
+  %t1165 = load { ptr, i64, i64 }, ptr %t1160
+  %t1166 = extractvalue { ptr, i64, i64 } %t1165, 1
+  %t1167 = icmp uge i64 %t1164, %t1166
+  br i1 %t1167, label %range3722, label %inrange3723
+range3722:
+  call void @finch_panic_index(ptr @.str.2318, i64 1563, i64 %t1164, i64 %t1166)
   unreachable
-ok3514:
-  %t1125 = getelementptr inbounds %S.gen.Gen, ptr %t1123, i32 0, i32 22
-  %t1126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1125, i32 0, i32 1
-  %t1127 = load ptr, ptr %a1
-  %t1128 = icmp eq ptr %t1127, null
-  br i1 %t1128, label %panic3515, label %ok3516
-panic3515:
-  call void @finch_panic(ptr @.str.2235, i64 1417, ptr @.str.2236)
+inrange3723:
+  %t1168 = extractvalue { ptr, i64, i64 } %t1165, 0
+  %t1169 = getelementptr inbounds %S.ast.Node, ptr %t1168, i64 %t1164
+  %t1170 = load %S.ast.Node, ptr %t1169
+  %t1171 = call i1 @finch.gen.mutates(ptr %t1159, { ptr, i64, i64 } { ptr @.str.2317, i64 4, i64 0 }, %S.ast.Node %t1170)
+  br i1 %t1171, label %then3724, label %endif3726
+then3724:
+  %t1172 = load ptr, ptr %a1
+  %t1173 = icmp eq ptr %t1172, null
+  br i1 %t1173, label %panic3727, label %ok3728
+panic3727:
+  call void @finch_panic(ptr @.str.2319, i64 1564, ptr @.str.2320)
   unreachable
-ok3516:
-  %t1129 = getelementptr inbounds %S.gen.Gen, ptr %t1127, i32 0, i32 14
-  %t1130 = load i64, ptr %a1030
-  %t1131 = load { ptr, i64, i64 }, ptr %t1129
-  %t1132 = extractvalue { ptr, i64, i64 } %t1131, 1
-  %t1133 = icmp uge i64 %t1130, %t1132
-  br i1 %t1133, label %range3517, label %inrange3518
-range3517:
-  call void @finch_panic_index(ptr @.str.2237, i64 1417, i64 %t1130, i64 %t1132)
+ok3728:
+  %t1174 = getelementptr inbounds %S.gen.Gen, ptr %t1172, i32 0, i32 15
+  %t1175 = load i64, ptr %a1089
+  %t1176 = load { ptr, i64, i64 }, ptr %t1174
+  %t1177 = extractvalue { ptr, i64, i64 } %t1176, 1
+  %t1178 = icmp uge i64 %t1175, %t1177
+  br i1 %t1178, label %range3729, label %inrange3730
+range3729:
+  call void @finch_panic_index(ptr @.str.2321, i64 1564, i64 %t1175, i64 %t1177)
   unreachable
-inrange3518:
-  %t1134 = extractvalue { ptr, i64, i64 } %t1131, 0
-  %t1135 = getelementptr inbounds %S.gen.FnSig, ptr %t1134, i64 %t1130
-  %t1136 = getelementptr inbounds %S.gen.FnSig, ptr %t1135, i32 0, i32 1
-  %t1137 = load { ptr, i64, i64 }, ptr %t1136
-  store { ptr, i64, i64 } %t1137, ptr %a1138
-  call void @finch_str_copy(ptr %a1139, ptr %a1138)
-  %t1140 = load { ptr, i64, i64 }, ptr %a1139
-  %t1141 = load i64, ptr %t1126
-  %t1142 = add i64 %t1141, 1
-  call void @finch_arr_reserve(ptr %t1125, i64 %t1142, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t1143 = load ptr, ptr %t1125
-  %t1144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1143, i64 %t1141
-  store { ptr, i64, i64 } %t1140, ptr %t1144
-  store i64 %t1142, ptr %t1126
-  store i1 true, ptr %a1023
-  br label %endif3508
-endif3508:
-  br label %endif3489
-endif3489:
-  br label %for.step3473
-for.step3473:
-  %t1145 = load i64, ptr %a1030
-  %t1146 = add i64 %t1145, 1
-  store i64 %t1146, ptr %a1030
-  br label %for.cond3471
-for.end3474:
-  %t1147 = load ptr, ptr %a1
-  %t1148 = icmp eq ptr %t1147, null
-  br i1 %t1148, label %panic3519, label %ok3520
-panic3519:
-  call void @finch_panic(ptr @.str.2238, i64 1422, ptr @.str.2239)
+inrange3730:
+  %t1179 = extractvalue { ptr, i64, i64 } %t1176, 0
+  %t1180 = getelementptr inbounds %S.gen.FnSig, ptr %t1179, i64 %t1175
+  %t1181 = getelementptr inbounds %S.gen.FnSig, ptr %t1180, i32 0, i32 10
+  store i1 true, ptr %t1181
+  %t1182 = load ptr, ptr %a1
+  %t1183 = icmp eq ptr %t1182, null
+  br i1 %t1183, label %panic3731, label %ok3732
+panic3731:
+  call void @finch_panic(ptr @.str.2322, i64 1565, ptr @.str.2323)
   unreachable
-ok3520:
-  %t1149 = getelementptr inbounds %S.gen.Gen, ptr %t1147, i32 0, i32 16
-  %t1150 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1149, i32 0, i32 1
-  %t1151 = load i64, ptr %t1150
-  store i64 0, ptr %a1152
-  br label %for.cond3521
-for.cond3521:
-  %t1153 = load i64, ptr %a1152
-  %t1154 = icmp slt i64 %t1153, %t1151
-  br i1 %t1154, label %for.body3522, label %for.end3524
-for.body3522:
-  %t1155 = load ptr, ptr %a1
-  %t1156 = icmp eq ptr %t1155, null
-  br i1 %t1156, label %panic3525, label %ok3526
-panic3525:
-  call void @finch_panic(ptr @.str.2240, i64 1423, ptr @.str.2241)
+ok3732:
+  %t1184 = getelementptr inbounds %S.gen.Gen, ptr %t1182, i32 0, i32 23
+  %t1185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1184, i32 0, i32 1
+  %t1186 = load ptr, ptr %a1
+  %t1187 = icmp eq ptr %t1186, null
+  br i1 %t1187, label %panic3733, label %ok3734
+panic3733:
+  call void @finch_panic(ptr @.str.2324, i64 1565, ptr @.str.2325)
   unreachable
-ok3526:
-  %t1157 = getelementptr inbounds %S.gen.Gen, ptr %t1155, i32 0, i32 16
-  %t1158 = load i64, ptr %a1152
-  %t1159 = load { ptr, i64, i64 }, ptr %t1157
-  %t1160 = extractvalue { ptr, i64, i64 } %t1159, 1
-  %t1161 = icmp uge i64 %t1158, %t1160
-  br i1 %t1161, label %range3527, label %inrange3528
-range3527:
-  call void @finch_panic_index(ptr @.str.2242, i64 1423, i64 %t1158, i64 %t1160)
-  unreachable
-inrange3528:
-  %t1162 = extractvalue { ptr, i64, i64 } %t1159, 0
-  %t1163 = getelementptr inbounds %S.gen.Template, ptr %t1162, i64 %t1158
-  %t1164 = load %S.gen.Template, ptr %t1163
-  store %S.gen.Template %t1164, ptr %a1165
-  call void @finch.copy.S_gen_Template(ptr %a1166, ptr %a1165)
-  %t1167 = load %S.gen.Template, ptr %a1166
-  store %S.gen.Template %t1167, ptr %a1168
-  %t1169 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 2
-  %t1170 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1169, i32 0, i32 1
-  %t1171 = load i64, ptr %t1170
-  %t1172 = icmp sgt i64 %t1171, 0
-  br label %logic.from3529
-logic.from3529:
-  br i1 %t1172, label %logic.rhs3530, label %logic.end3531
-logic.rhs3530:
-  %t1173 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 7
-  %t1174 = load i1, ptr %t1173
-  %t1175 = xor i1 %t1174, true
-  br label %logic.rend3532
-logic.rend3532:
-  br label %logic.end3531
-logic.end3531:
-  %t1176 = phi i1 [ false, %logic.from3529 ], [ %t1175, %logic.rend3532 ]
-  br i1 %t1176, label %then3533, label %endif3535
-then3533:
-  %t1177 = load ptr, ptr %a1
-  %t1178 = icmp eq ptr %t1177, null
-  br i1 %t1178, label %panic3536, label %ok3537
-panic3536:
-  call void @finch_panic(ptr @.str.2243, i64 1425, ptr @.str.2244)
-  unreachable
-ok3537:
-  %t1179 = getelementptr inbounds %S.gen.Gen, ptr %t1177, i32 0, i32 0
-  %t1180 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 4
-  %t1181 = load i64, ptr %t1180
-  %t1182 = load { ptr, i64, i64 }, ptr %t1179
-  %t1183 = extractvalue { ptr, i64, i64 } %t1182, 1
-  %t1184 = icmp uge i64 %t1181, %t1183
-  br i1 %t1184, label %range3538, label %inrange3539
-range3538:
-  call void @finch_panic_index(ptr @.str.2245, i64 1425, i64 %t1181, i64 %t1183)
-  unreachable
-inrange3539:
-  %t1185 = extractvalue { ptr, i64, i64 } %t1182, 0
-  %t1186 = getelementptr inbounds %S.ast.Program, ptr %t1185, i64 %t1181
-  %t1187 = getelementptr inbounds %S.ast.Program, ptr %t1186, i32 0, i32 8
-  %t1188 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 5
-  %t1189 = load i64, ptr %t1188
-  %t1190 = load { ptr, i64, i64 }, ptr %t1187
+ok3734:
+  %t1188 = getelementptr inbounds %S.gen.Gen, ptr %t1186, i32 0, i32 15
+  %t1189 = load i64, ptr %a1089
+  %t1190 = load { ptr, i64, i64 }, ptr %t1188
   %t1191 = extractvalue { ptr, i64, i64 } %t1190, 1
   %t1192 = icmp uge i64 %t1189, %t1191
-  br i1 %t1192, label %range3540, label %inrange3541
-range3540:
-  call void @finch_panic_index(ptr @.str.2246, i64 1425, i64 %t1189, i64 %t1191)
+  br i1 %t1192, label %range3735, label %inrange3736
+range3735:
+  call void @finch_panic_index(ptr @.str.2326, i64 1565, i64 %t1189, i64 %t1191)
   unreachable
-inrange3541:
+inrange3736:
   %t1193 = extractvalue { ptr, i64, i64 } %t1190, 0
-  %t1194 = getelementptr inbounds %S.ast.Node, ptr %t1193, i64 %t1189
-  %t1195 = load %S.ast.Node, ptr %t1194
-  store %S.ast.Node %t1195, ptr %a1196
-  call void @finch.copy.S_ast_Node(ptr %a1197, ptr %a1196)
-  %t1198 = load %S.ast.Node, ptr %a1197
-  store %S.ast.Node %t1198, ptr %a1199
-  %t1200 = load ptr, ptr %a1
-  %t1201 = getelementptr inbounds %S.ast.Node, ptr %a1199, i32 0, i32 9
-  %t1202 = getelementptr inbounds %S.ast.Node, ptr %a1199, i32 0, i32 9
-  %t1203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1202, i32 0, i32 1
-  %t1204 = load i64, ptr %t1203
-  %t1205 = sub i64 %t1204, 1
-  %t1206 = load { ptr, i64, i64 }, ptr %t1201
-  %t1207 = extractvalue { ptr, i64, i64 } %t1206, 1
-  %t1208 = icmp uge i64 %t1205, %t1207
-  br i1 %t1208, label %range3542, label %inrange3543
-range3542:
-  call void @finch_panic_index(ptr @.str.2248, i64 1426, i64 %t1205, i64 %t1207)
+  %t1194 = getelementptr inbounds %S.gen.FnSig, ptr %t1193, i64 %t1189
+  %t1195 = getelementptr inbounds %S.gen.FnSig, ptr %t1194, i32 0, i32 1
+  %t1196 = load { ptr, i64, i64 }, ptr %t1195
+  store { ptr, i64, i64 } %t1196, ptr %a1197
+  call void @finch_str_copy(ptr %a1198, ptr %a1197)
+  %t1199 = load { ptr, i64, i64 }, ptr %a1198
+  %t1200 = load i64, ptr %t1185
+  %t1201 = add i64 %t1200, 1
+  call void @finch_arr_reserve(ptr %t1184, i64 %t1201, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1202 = load ptr, ptr %t1184
+  %t1203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1202, i64 %t1200
+  store { ptr, i64, i64 } %t1199, ptr %t1203
+  store i64 %t1201, ptr %t1185
+  store i1 true, ptr %a1082
+  br label %endif3726
+endif3726:
+  call void @finch.drop.S_ast_Node(ptr %a1158)
+  br label %endif3707
+endif3707:
+  br label %for.step3691
+for.step3691:
+  %t1204 = load i64, ptr %a1089
+  %t1205 = add i64 %t1204, 1
+  store i64 %t1205, ptr %a1089
+  br label %for.cond3689
+for.end3692:
+  %t1206 = load ptr, ptr %a1
+  %t1207 = icmp eq ptr %t1206, null
+  br i1 %t1207, label %panic3737, label %ok3738
+panic3737:
+  call void @finch_panic(ptr @.str.2327, i64 1570, ptr @.str.2328)
   unreachable
-inrange3543:
-  %t1209 = extractvalue { ptr, i64, i64 } %t1206, 0
-  %t1210 = getelementptr inbounds %S.ast.Node, ptr %t1209, i64 %t1205
-  %t1211 = load %S.ast.Node, ptr %t1210
-  %t1212 = call i1 @finch.gen.mutates(ptr %t1200, { ptr, i64, i64 } { ptr @.str.2247, i64 4, i64 0 }, %S.ast.Node %t1211)
-  br i1 %t1212, label %then3544, label %endif3546
-then3544:
-  %t1213 = load ptr, ptr %a1
-  %t1214 = icmp eq ptr %t1213, null
-  br i1 %t1214, label %panic3547, label %ok3548
-panic3547:
-  call void @finch_panic(ptr @.str.2249, i64 1427, ptr @.str.2250)
+ok3738:
+  %t1208 = getelementptr inbounds %S.gen.Gen, ptr %t1206, i32 0, i32 17
+  %t1209 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1208, i32 0, i32 1
+  %t1210 = load i64, ptr %t1209
+  store i64 0, ptr %a1211
+  br label %for.cond3739
+for.cond3739:
+  %t1212 = load i64, ptr %a1211
+  %t1213 = icmp slt i64 %t1212, %t1210
+  br i1 %t1213, label %for.body3740, label %for.end3742
+for.body3740:
+  %t1214 = load ptr, ptr %a1
+  %t1215 = icmp eq ptr %t1214, null
+  br i1 %t1215, label %panic3743, label %ok3744
+panic3743:
+  call void @finch_panic(ptr @.str.2329, i64 1571, ptr @.str.2330)
   unreachable
-ok3548:
-  %t1215 = getelementptr inbounds %S.gen.Gen, ptr %t1213, i32 0, i32 16
-  %t1216 = load i64, ptr %a1152
-  %t1217 = load { ptr, i64, i64 }, ptr %t1215
-  %t1218 = extractvalue { ptr, i64, i64 } %t1217, 1
-  %t1219 = icmp uge i64 %t1216, %t1218
-  br i1 %t1219, label %range3549, label %inrange3550
-range3549:
-  call void @finch_panic_index(ptr @.str.2251, i64 1427, i64 %t1216, i64 %t1218)
+ok3744:
+  %t1216 = getelementptr inbounds %S.gen.Gen, ptr %t1214, i32 0, i32 17
+  %t1217 = load i64, ptr %a1211
+  %t1218 = load { ptr, i64, i64 }, ptr %t1216
+  %t1219 = extractvalue { ptr, i64, i64 } %t1218, 1
+  %t1220 = icmp uge i64 %t1217, %t1219
+  br i1 %t1220, label %range3745, label %inrange3746
+range3745:
+  call void @finch_panic_index(ptr @.str.2331, i64 1571, i64 %t1217, i64 %t1219)
   unreachable
-inrange3550:
-  %t1220 = extractvalue { ptr, i64, i64 } %t1217, 0
-  %t1221 = getelementptr inbounds %S.gen.Template, ptr %t1220, i64 %t1216
-  %t1222 = getelementptr inbounds %S.gen.Template, ptr %t1221, i32 0, i32 7
-  store i1 true, ptr %t1222
-  %t1223 = load ptr, ptr %a1
-  %t1224 = icmp eq ptr %t1223, null
-  br i1 %t1224, label %panic3551, label %ok3552
-panic3551:
-  call void @finch_panic(ptr @.str.2252, i64 1428, ptr @.str.2253)
+inrange3746:
+  %t1221 = extractvalue { ptr, i64, i64 } %t1218, 0
+  %t1222 = getelementptr inbounds %S.gen.Template, ptr %t1221, i64 %t1217
+  %t1223 = load %S.gen.Template, ptr %t1222
+  store %S.gen.Template %t1223, ptr %a1224
+  call void @finch.copy.S_gen_Template(ptr %a1225, ptr %a1224)
+  %t1226 = load %S.gen.Template, ptr %a1225
+  store %S.gen.Template %t1226, ptr %a1227
+  %t1228 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 2
+  %t1229 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1228, i32 0, i32 1
+  %t1230 = load i64, ptr %t1229
+  %t1231 = icmp sgt i64 %t1230, 0
+  br label %logic.from3747
+logic.from3747:
+  br i1 %t1231, label %logic.rhs3748, label %logic.end3749
+logic.rhs3748:
+  %t1232 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 7
+  %t1233 = load i1, ptr %t1232
+  %t1234 = xor i1 %t1233, true
+  br label %logic.rend3750
+logic.rend3750:
+  br label %logic.end3749
+logic.end3749:
+  %t1235 = phi i1 [ false, %logic.from3747 ], [ %t1234, %logic.rend3750 ]
+  br i1 %t1235, label %then3751, label %endif3753
+then3751:
+  %t1236 = load ptr, ptr %a1
+  %t1237 = icmp eq ptr %t1236, null
+  br i1 %t1237, label %panic3754, label %ok3755
+panic3754:
+  call void @finch_panic(ptr @.str.2332, i64 1573, ptr @.str.2333)
   unreachable
-ok3552:
-  %t1225 = getelementptr inbounds %S.gen.Gen, ptr %t1223, i32 0, i32 22
-  %t1226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1225, i32 0, i32 1
-  %t1227 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 1
-  %t1228 = load { ptr, i64, i64 }, ptr %t1227
-  store { ptr, i64, i64 } %t1228, ptr %a1229
-  call void @finch_str_copy(ptr %a1230, ptr %a1229)
-  %t1231 = load { ptr, i64, i64 }, ptr %a1230
-  %t1232 = load i64, ptr %t1226
-  %t1233 = add i64 %t1232, 1
-  call void @finch_arr_reserve(ptr %t1225, i64 %t1233, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t1234 = load ptr, ptr %t1225
-  %t1235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1234, i64 %t1232
-  store { ptr, i64, i64 } %t1231, ptr %t1235
-  store i64 %t1233, ptr %t1226
-  store i1 true, ptr %a1023
-  br label %endif3546
-endif3546:
-  br label %endif3535
-endif3535:
-  br label %for.step3523
-for.step3523:
-  %t1236 = load i64, ptr %a1152
-  %t1237 = add i64 %t1236, 1
-  store i64 %t1237, ptr %a1152
-  br label %for.cond3521
-for.end3524:
-  br label %while.cond3466
-while.end3468:
-  %t1238 = load ptr, ptr %a1
-  %t1239 = icmp eq ptr %t1238, null
-  br i1 %t1239, label %panic3553, label %ok3554
-panic3553:
-  call void @finch_panic(ptr @.str.2254, i64 1435, ptr @.str.2255)
+ok3755:
+  %t1238 = getelementptr inbounds %S.gen.Gen, ptr %t1236, i32 0, i32 0
+  %t1239 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 4
+  %t1240 = load i64, ptr %t1239
+  %t1241 = load { ptr, i64, i64 }, ptr %t1238
+  %t1242 = extractvalue { ptr, i64, i64 } %t1241, 1
+  %t1243 = icmp uge i64 %t1240, %t1242
+  br i1 %t1243, label %range3756, label %inrange3757
+range3756:
+  call void @finch_panic_index(ptr @.str.2334, i64 1573, i64 %t1240, i64 %t1242)
   unreachable
-ok3554:
-  %t1240 = getelementptr inbounds %S.gen.Gen, ptr %t1238, i32 0, i32 14
-  %t1241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1240, i32 0, i32 1
-  %t1242 = load i64, ptr %t1241
-  store i64 0, ptr %a1243
-  br label %for.cond3555
-for.cond3555:
-  %t1244 = load i64, ptr %a1243
-  %t1245 = icmp slt i64 %t1244, %t1242
-  br i1 %t1245, label %for.body3556, label %for.end3558
-for.body3556:
-  %t1246 = load ptr, ptr %a1
-  %t1247 = icmp eq ptr %t1246, null
-  br i1 %t1247, label %panic3559, label %ok3560
-panic3559:
-  call void @finch_panic(ptr @.str.2256, i64 1436, ptr @.str.2257)
+inrange3757:
+  %t1244 = extractvalue { ptr, i64, i64 } %t1241, 0
+  %t1245 = getelementptr inbounds %S.ast.Program, ptr %t1244, i64 %t1240
+  %t1246 = getelementptr inbounds %S.ast.Program, ptr %t1245, i32 0, i32 8
+  %t1247 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 5
+  %t1248 = load i64, ptr %t1247
+  %t1249 = load { ptr, i64, i64 }, ptr %t1246
+  %t1250 = extractvalue { ptr, i64, i64 } %t1249, 1
+  %t1251 = icmp uge i64 %t1248, %t1250
+  br i1 %t1251, label %range3758, label %inrange3759
+range3758:
+  call void @finch_panic_index(ptr @.str.2335, i64 1573, i64 %t1248, i64 %t1250)
   unreachable
-ok3560:
-  %t1248 = getelementptr inbounds %S.gen.Gen, ptr %t1246, i32 0, i32 0
-  %t1249 = load ptr, ptr %a1
-  %t1250 = icmp eq ptr %t1249, null
-  br i1 %t1250, label %panic3561, label %ok3562
-panic3561:
-  call void @finch_panic(ptr @.str.2258, i64 1436, ptr @.str.2259)
+inrange3759:
+  %t1252 = extractvalue { ptr, i64, i64 } %t1249, 0
+  %t1253 = getelementptr inbounds %S.ast.Node, ptr %t1252, i64 %t1248
+  %t1254 = load %S.ast.Node, ptr %t1253
+  store %S.ast.Node %t1254, ptr %a1255
+  call void @finch.copy.S_ast_Node(ptr %a1256, ptr %a1255)
+  %t1257 = load %S.ast.Node, ptr %a1256
+  store %S.ast.Node %t1257, ptr %a1258
+  %t1259 = load ptr, ptr %a1
+  %t1260 = getelementptr inbounds %S.ast.Node, ptr %a1258, i32 0, i32 9
+  %t1261 = getelementptr inbounds %S.ast.Node, ptr %a1258, i32 0, i32 9
+  %t1262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1261, i32 0, i32 1
+  %t1263 = load i64, ptr %t1262
+  %t1264 = sub i64 %t1263, 1
+  %t1265 = load { ptr, i64, i64 }, ptr %t1260
+  %t1266 = extractvalue { ptr, i64, i64 } %t1265, 1
+  %t1267 = icmp uge i64 %t1264, %t1266
+  br i1 %t1267, label %range3760, label %inrange3761
+range3760:
+  call void @finch_panic_index(ptr @.str.2337, i64 1574, i64 %t1264, i64 %t1266)
   unreachable
-ok3562:
-  %t1251 = getelementptr inbounds %S.gen.Gen, ptr %t1249, i32 0, i32 14
-  %t1252 = load i64, ptr %a1243
-  %t1253 = load { ptr, i64, i64 }, ptr %t1251
-  %t1254 = extractvalue { ptr, i64, i64 } %t1253, 1
-  %t1255 = icmp uge i64 %t1252, %t1254
-  br i1 %t1255, label %range3563, label %inrange3564
-range3563:
-  call void @finch_panic_index(ptr @.str.2260, i64 1436, i64 %t1252, i64 %t1254)
+inrange3761:
+  %t1268 = extractvalue { ptr, i64, i64 } %t1265, 0
+  %t1269 = getelementptr inbounds %S.ast.Node, ptr %t1268, i64 %t1264
+  %t1270 = load %S.ast.Node, ptr %t1269
+  %t1271 = call i1 @finch.gen.mutates(ptr %t1259, { ptr, i64, i64 } { ptr @.str.2336, i64 4, i64 0 }, %S.ast.Node %t1270)
+  br i1 %t1271, label %then3762, label %endif3764
+then3762:
+  %t1272 = load ptr, ptr %a1
+  %t1273 = icmp eq ptr %t1272, null
+  br i1 %t1273, label %panic3765, label %ok3766
+panic3765:
+  call void @finch_panic(ptr @.str.2338, i64 1575, ptr @.str.2339)
   unreachable
-inrange3564:
-  %t1256 = extractvalue { ptr, i64, i64 } %t1253, 0
-  %t1257 = getelementptr inbounds %S.gen.FnSig, ptr %t1256, i64 %t1252
-  %t1258 = getelementptr inbounds %S.gen.FnSig, ptr %t1257, i32 0, i32 16
-  %t1259 = load i64, ptr %t1258
-  %t1260 = load { ptr, i64, i64 }, ptr %t1248
-  %t1261 = extractvalue { ptr, i64, i64 } %t1260, 1
-  %t1262 = icmp uge i64 %t1259, %t1261
-  br i1 %t1262, label %range3565, label %inrange3566
-range3565:
-  call void @finch_panic_index(ptr @.str.2261, i64 1436, i64 %t1259, i64 %t1261)
+ok3766:
+  %t1274 = getelementptr inbounds %S.gen.Gen, ptr %t1272, i32 0, i32 17
+  %t1275 = load i64, ptr %a1211
+  %t1276 = load { ptr, i64, i64 }, ptr %t1274
+  %t1277 = extractvalue { ptr, i64, i64 } %t1276, 1
+  %t1278 = icmp uge i64 %t1275, %t1277
+  br i1 %t1278, label %range3767, label %inrange3768
+range3767:
+  call void @finch_panic_index(ptr @.str.2340, i64 1575, i64 %t1275, i64 %t1277)
   unreachable
-inrange3566:
-  %t1263 = extractvalue { ptr, i64, i64 } %t1260, 0
-  %t1264 = getelementptr inbounds %S.ast.Program, ptr %t1263, i64 %t1259
-  %t1265 = getelementptr inbounds %S.ast.Program, ptr %t1264, i32 0, i32 8
-  %t1266 = load ptr, ptr %a1
-  %t1267 = icmp eq ptr %t1266, null
-  br i1 %t1267, label %panic3567, label %ok3568
-panic3567:
-  call void @finch_panic(ptr @.str.2262, i64 1436, ptr @.str.2263)
+inrange3768:
+  %t1279 = extractvalue { ptr, i64, i64 } %t1276, 0
+  %t1280 = getelementptr inbounds %S.gen.Template, ptr %t1279, i64 %t1275
+  %t1281 = getelementptr inbounds %S.gen.Template, ptr %t1280, i32 0, i32 7
+  store i1 true, ptr %t1281
+  %t1282 = load ptr, ptr %a1
+  %t1283 = icmp eq ptr %t1282, null
+  br i1 %t1283, label %panic3769, label %ok3770
+panic3769:
+  call void @finch_panic(ptr @.str.2341, i64 1576, ptr @.str.2342)
   unreachable
-ok3568:
-  %t1268 = getelementptr inbounds %S.gen.Gen, ptr %t1266, i32 0, i32 14
-  %t1269 = load i64, ptr %a1243
-  %t1270 = load { ptr, i64, i64 }, ptr %t1268
-  %t1271 = extractvalue { ptr, i64, i64 } %t1270, 1
-  %t1272 = icmp uge i64 %t1269, %t1271
-  br i1 %t1272, label %range3569, label %inrange3570
-range3569:
-  call void @finch_panic_index(ptr @.str.2264, i64 1436, i64 %t1269, i64 %t1271)
+ok3770:
+  %t1284 = getelementptr inbounds %S.gen.Gen, ptr %t1282, i32 0, i32 23
+  %t1285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1284, i32 0, i32 1
+  %t1286 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 1
+  %t1287 = load { ptr, i64, i64 }, ptr %t1286
+  store { ptr, i64, i64 } %t1287, ptr %a1288
+  call void @finch_str_copy(ptr %a1289, ptr %a1288)
+  %t1290 = load { ptr, i64, i64 }, ptr %a1289
+  %t1291 = load i64, ptr %t1285
+  %t1292 = add i64 %t1291, 1
+  call void @finch_arr_reserve(ptr %t1284, i64 %t1292, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1293 = load ptr, ptr %t1284
+  %t1294 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1293, i64 %t1291
+  store { ptr, i64, i64 } %t1290, ptr %t1294
+  store i64 %t1292, ptr %t1285
+  store i1 true, ptr %a1082
+  br label %endif3764
+endif3764:
+  call void @finch.drop.S_ast_Node(ptr %a1258)
+  br label %endif3753
+endif3753:
+  call void @finch.drop.S_gen_Template(ptr %a1227)
+  br label %for.step3741
+for.step3741:
+  %t1295 = load i64, ptr %a1211
+  %t1296 = add i64 %t1295, 1
+  store i64 %t1296, ptr %a1211
+  br label %for.cond3739
+for.end3742:
+  br label %while.cond3684
+while.end3686:
+  %t1297 = load ptr, ptr %a1
+  %t1298 = icmp eq ptr %t1297, null
+  br i1 %t1298, label %panic3771, label %ok3772
+panic3771:
+  call void @finch_panic(ptr @.str.2343, i64 1583, ptr @.str.2344)
   unreachable
-inrange3570:
-  %t1273 = extractvalue { ptr, i64, i64 } %t1270, 0
-  %t1274 = getelementptr inbounds %S.gen.FnSig, ptr %t1273, i64 %t1269
-  %t1275 = getelementptr inbounds %S.gen.FnSig, ptr %t1274, i32 0, i32 17
-  %t1276 = load i64, ptr %t1275
-  %t1277 = load { ptr, i64, i64 }, ptr %t1265
-  %t1278 = extractvalue { ptr, i64, i64 } %t1277, 1
-  %t1279 = icmp uge i64 %t1276, %t1278
-  br i1 %t1279, label %range3571, label %inrange3572
-range3571:
-  call void @finch_panic_index(ptr @.str.2265, i64 1436, i64 %t1276, i64 %t1278)
+ok3772:
+  %t1299 = getelementptr inbounds %S.gen.Gen, ptr %t1297, i32 0, i32 15
+  %t1300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1299, i32 0, i32 1
+  %t1301 = load i64, ptr %t1300
+  store i64 0, ptr %a1302
+  br label %for.cond3773
+for.cond3773:
+  %t1303 = load i64, ptr %a1302
+  %t1304 = icmp slt i64 %t1303, %t1301
+  br i1 %t1304, label %for.body3774, label %for.end3776
+for.body3774:
+  %t1305 = load ptr, ptr %a1
+  %t1306 = icmp eq ptr %t1305, null
+  br i1 %t1306, label %panic3777, label %ok3778
+panic3777:
+  call void @finch_panic(ptr @.str.2345, i64 1584, ptr @.str.2346)
   unreachable
-inrange3572:
-  %t1280 = extractvalue { ptr, i64, i64 } %t1277, 0
-  %t1281 = getelementptr inbounds %S.ast.Node, ptr %t1280, i64 %t1276
-  %t1282 = load %S.ast.Node, ptr %t1281
-  store %S.ast.Node %t1282, ptr %a1283
-  call void @finch.copy.S_ast_Node(ptr %a1284, ptr %a1283)
-  %t1285 = load %S.ast.Node, ptr %a1284
-  store %S.ast.Node %t1285, ptr %a1286
-  %t1287 = getelementptr inbounds %S.ast.Node, ptr %a1286, i32 0, i32 9
-  %t1288 = getelementptr inbounds %S.ast.Node, ptr %a1286, i32 0, i32 9
-  %t1289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1288, i32 0, i32 1
-  %t1290 = load i64, ptr %t1289
-  %t1291 = sub i64 %t1290, 1
-  %t1292 = load { ptr, i64, i64 }, ptr %t1287
-  %t1293 = extractvalue { ptr, i64, i64 } %t1292, 1
-  %t1294 = icmp uge i64 %t1291, %t1293
-  br i1 %t1294, label %range3573, label %inrange3574
-range3573:
-  call void @finch_panic_index(ptr @.str.2266, i64 1437, i64 %t1291, i64 %t1293)
+ok3778:
+  %t1307 = getelementptr inbounds %S.gen.Gen, ptr %t1305, i32 0, i32 0
+  %t1308 = load ptr, ptr %a1
+  %t1309 = icmp eq ptr %t1308, null
+  br i1 %t1309, label %panic3779, label %ok3780
+panic3779:
+  call void @finch_panic(ptr @.str.2347, i64 1584, ptr @.str.2348)
   unreachable
-inrange3574:
-  %t1295 = extractvalue { ptr, i64, i64 } %t1292, 0
-  %t1296 = getelementptr inbounds %S.ast.Node, ptr %t1295, i64 %t1291
-  %t1297 = load %S.ast.Node, ptr %t1296
-  store %S.ast.Node %t1297, ptr %a1298
-  call void @finch.copy.S_ast_Node(ptr %a1299, ptr %a1298)
-  %t1300 = load %S.ast.Node, ptr %a1299
-  store %S.ast.Node %t1300, ptr %a1301
-  %t1302 = load ptr, ptr %a1
-  %t1303 = icmp eq ptr %t1302, null
-  br i1 %t1303, label %panic3575, label %ok3576
-panic3575:
-  call void @finch_panic(ptr @.str.2267, i64 1438, ptr @.str.2268)
+ok3780:
+  %t1310 = getelementptr inbounds %S.gen.Gen, ptr %t1308, i32 0, i32 15
+  %t1311 = load i64, ptr %a1302
+  %t1312 = load { ptr, i64, i64 }, ptr %t1310
+  %t1313 = extractvalue { ptr, i64, i64 } %t1312, 1
+  %t1314 = icmp uge i64 %t1311, %t1313
+  br i1 %t1314, label %range3781, label %inrange3782
+range3781:
+  call void @finch_panic_index(ptr @.str.2349, i64 1584, i64 %t1311, i64 %t1313)
   unreachable
-ok3576:
-  %t1304 = getelementptr inbounds %S.gen.Gen, ptr %t1302, i32 0, i32 14
-  %t1305 = load i64, ptr %a1243
-  %t1306 = load { ptr, i64, i64 }, ptr %t1304
-  %t1307 = extractvalue { ptr, i64, i64 } %t1306, 1
-  %t1308 = icmp uge i64 %t1305, %t1307
-  br i1 %t1308, label %range3577, label %inrange3578
-range3577:
-  call void @finch_panic_index(ptr @.str.2269, i64 1438, i64 %t1305, i64 %t1307)
+inrange3782:
+  %t1315 = extractvalue { ptr, i64, i64 } %t1312, 0
+  %t1316 = getelementptr inbounds %S.gen.FnSig, ptr %t1315, i64 %t1311
+  %t1317 = getelementptr inbounds %S.gen.FnSig, ptr %t1316, i32 0, i32 16
+  %t1318 = load i64, ptr %t1317
+  %t1319 = load { ptr, i64, i64 }, ptr %t1307
+  %t1320 = extractvalue { ptr, i64, i64 } %t1319, 1
+  %t1321 = icmp uge i64 %t1318, %t1320
+  br i1 %t1321, label %range3783, label %inrange3784
+range3783:
+  call void @finch_panic_index(ptr @.str.2350, i64 1584, i64 %t1318, i64 %t1320)
   unreachable
-inrange3578:
-  %t1309 = extractvalue { ptr, i64, i64 } %t1306, 0
-  %t1310 = getelementptr inbounds %S.gen.FnSig, ptr %t1309, i64 %t1305
-  %t1311 = getelementptr inbounds %S.gen.FnSig, ptr %t1310, i32 0, i32 13
-  %t1312 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1311, i32 0, i32 1
-  %t1313 = load i64, ptr %t1312
-  store i64 0, ptr %a1314
-  br label %for.cond3579
-for.cond3579:
-  %t1315 = load i64, ptr %a1314
-  %t1316 = icmp slt i64 %t1315, %t1313
-  br i1 %t1316, label %for.body3580, label %for.end3582
-for.body3580:
-  %t1317 = load ptr, ptr %a1
-  %t1318 = icmp eq ptr %t1317, null
-  br i1 %t1318, label %panic3583, label %ok3584
-panic3583:
-  call void @finch_panic(ptr @.str.2270, i64 1439, ptr @.str.2271)
+inrange3784:
+  %t1322 = extractvalue { ptr, i64, i64 } %t1319, 0
+  %t1323 = getelementptr inbounds %S.ast.Program, ptr %t1322, i64 %t1318
+  %t1324 = getelementptr inbounds %S.ast.Program, ptr %t1323, i32 0, i32 8
+  %t1325 = load ptr, ptr %a1
+  %t1326 = icmp eq ptr %t1325, null
+  br i1 %t1326, label %panic3785, label %ok3786
+panic3785:
+  call void @finch_panic(ptr @.str.2351, i64 1584, ptr @.str.2352)
   unreachable
-ok3584:
-  %t1319 = getelementptr inbounds %S.gen.Gen, ptr %t1317, i32 0, i32 14
-  %t1320 = load i64, ptr %a1243
-  %t1321 = load { ptr, i64, i64 }, ptr %t1319
-  %t1322 = extractvalue { ptr, i64, i64 } %t1321, 1
-  %t1323 = icmp uge i64 %t1320, %t1322
-  br i1 %t1323, label %range3585, label %inrange3586
-range3585:
-  call void @finch_panic_index(ptr @.str.2272, i64 1439, i64 %t1320, i64 %t1322)
+ok3786:
+  %t1327 = getelementptr inbounds %S.gen.Gen, ptr %t1325, i32 0, i32 15
+  %t1328 = load i64, ptr %a1302
+  %t1329 = load { ptr, i64, i64 }, ptr %t1327
+  %t1330 = extractvalue { ptr, i64, i64 } %t1329, 1
+  %t1331 = icmp uge i64 %t1328, %t1330
+  br i1 %t1331, label %range3787, label %inrange3788
+range3787:
+  call void @finch_panic_index(ptr @.str.2353, i64 1584, i64 %t1328, i64 %t1330)
   unreachable
-inrange3586:
-  %t1324 = extractvalue { ptr, i64, i64 } %t1321, 0
-  %t1325 = getelementptr inbounds %S.gen.FnSig, ptr %t1324, i64 %t1320
-  %t1326 = getelementptr inbounds %S.gen.FnSig, ptr %t1325, i32 0, i32 13
-  %t1327 = load i64, ptr %a1314
-  %t1328 = load { ptr, i64, i64 }, ptr %t1326
-  %t1329 = extractvalue { ptr, i64, i64 } %t1328, 1
-  %t1330 = icmp uge i64 %t1327, %t1329
-  br i1 %t1330, label %range3587, label %inrange3588
-range3587:
-  call void @finch_panic_index(ptr @.str.2273, i64 1439, i64 %t1327, i64 %t1329)
+inrange3788:
+  %t1332 = extractvalue { ptr, i64, i64 } %t1329, 0
+  %t1333 = getelementptr inbounds %S.gen.FnSig, ptr %t1332, i64 %t1328
+  %t1334 = getelementptr inbounds %S.gen.FnSig, ptr %t1333, i32 0, i32 17
+  %t1335 = load i64, ptr %t1334
+  %t1336 = load { ptr, i64, i64 }, ptr %t1324
+  %t1337 = extractvalue { ptr, i64, i64 } %t1336, 1
+  %t1338 = icmp uge i64 %t1335, %t1337
+  br i1 %t1338, label %range3789, label %inrange3790
+range3789:
+  call void @finch_panic_index(ptr @.str.2354, i64 1584, i64 %t1335, i64 %t1337)
   unreachable
-inrange3588:
-  %t1331 = extractvalue { ptr, i64, i64 } %t1328, 0
-  %t1332 = getelementptr inbounds %S.ast.Type, ptr %t1331, i64 %t1327
-  %t1333 = load %S.ast.Type, ptr %t1332
-  store %S.ast.Type %t1333, ptr %a1334
-  call void @finch.copy.S_ast_Type(ptr %a1335, ptr %a1334)
-  %t1336 = load %S.ast.Type, ptr %a1335
-  store %S.ast.Type %t1336, ptr %a1337
-  %t1338 = load ptr, ptr %a1
-  %t1339 = icmp eq ptr %t1338, null
-  br i1 %t1339, label %panic3589, label %ok3590
-panic3589:
-  call void @finch_panic(ptr @.str.2274, i64 1440, ptr @.str.2275)
-  unreachable
-ok3590:
-  %t1340 = getelementptr inbounds %S.gen.Gen, ptr %t1338, i32 0, i32 14
-  %t1341 = load i64, ptr %a1243
-  %t1342 = load { ptr, i64, i64 }, ptr %t1340
-  %t1343 = extractvalue { ptr, i64, i64 } %t1342, 1
-  %t1344 = icmp uge i64 %t1341, %t1343
-  br i1 %t1344, label %range3591, label %inrange3592
-range3591:
-  call void @finch_panic_index(ptr @.str.2276, i64 1440, i64 %t1341, i64 %t1343)
-  unreachable
-inrange3592:
-  %t1345 = extractvalue { ptr, i64, i64 } %t1342, 0
-  %t1346 = getelementptr inbounds %S.gen.FnSig, ptr %t1345, i64 %t1341
-  %t1347 = getelementptr inbounds %S.gen.FnSig, ptr %t1346, i32 0, i32 15
+inrange3790:
+  %t1339 = extractvalue { ptr, i64, i64 } %t1336, 0
+  %t1340 = getelementptr inbounds %S.ast.Node, ptr %t1339, i64 %t1335
+  %t1341 = load %S.ast.Node, ptr %t1340
+  store %S.ast.Node %t1341, ptr %a1342
+  call void @finch.copy.S_ast_Node(ptr %a1343, ptr %a1342)
+  %t1344 = load %S.ast.Node, ptr %a1343
+  store %S.ast.Node %t1344, ptr %a1345
+  %t1346 = getelementptr inbounds %S.ast.Node, ptr %a1345, i32 0, i32 9
+  %t1347 = getelementptr inbounds %S.ast.Node, ptr %a1345, i32 0, i32 9
   %t1348 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1347, i32 0, i32 1
-  %t1349 = load ptr, ptr %a1
-  %t1350 = load %S.ast.Type, ptr %a1337
-  %t1351 = call i1 @finch.gen.owning(ptr %t1349, %S.ast.Type %t1350)
-  br label %logic.from3593
-logic.from3593:
-  br i1 %t1351, label %logic.rhs3594, label %logic.end3595
-logic.rhs3594:
-  %t1352 = load ptr, ptr %a1
-  %t1353 = load ptr, ptr %a1
-  %t1354 = icmp eq ptr %t1353, null
-  br i1 %t1354, label %panic3596, label %ok3597
-panic3596:
-  call void @finch_panic(ptr @.str.2277, i64 1440, ptr @.str.2278)
+  %t1349 = load i64, ptr %t1348
+  %t1350 = sub i64 %t1349, 1
+  %t1351 = load { ptr, i64, i64 }, ptr %t1346
+  %t1352 = extractvalue { ptr, i64, i64 } %t1351, 1
+  %t1353 = icmp uge i64 %t1350, %t1352
+  br i1 %t1353, label %range3791, label %inrange3792
+range3791:
+  call void @finch_panic_index(ptr @.str.2355, i64 1585, i64 %t1350, i64 %t1352)
   unreachable
-ok3597:
-  %t1355 = getelementptr inbounds %S.gen.Gen, ptr %t1353, i32 0, i32 14
-  %t1356 = load i64, ptr %a1243
-  %t1357 = load { ptr, i64, i64 }, ptr %t1355
-  %t1358 = extractvalue { ptr, i64, i64 } %t1357, 1
-  %t1359 = icmp uge i64 %t1356, %t1358
-  br i1 %t1359, label %range3598, label %inrange3599
-range3598:
-  call void @finch_panic_index(ptr @.str.2279, i64 1440, i64 %t1356, i64 %t1358)
+inrange3792:
+  %t1354 = extractvalue { ptr, i64, i64 } %t1351, 0
+  %t1355 = getelementptr inbounds %S.ast.Node, ptr %t1354, i64 %t1350
+  %t1356 = load %S.ast.Node, ptr %t1355
+  store %S.ast.Node %t1356, ptr %a1357
+  call void @finch.copy.S_ast_Node(ptr %a1358, ptr %a1357)
+  %t1359 = load %S.ast.Node, ptr %a1358
+  store %S.ast.Node %t1359, ptr %a1360
+  %t1361 = load ptr, ptr %a1
+  %t1362 = icmp eq ptr %t1361, null
+  br i1 %t1362, label %panic3793, label %ok3794
+panic3793:
+  call void @finch_panic(ptr @.str.2356, i64 1586, ptr @.str.2357)
   unreachable
-inrange3599:
-  %t1360 = extractvalue { ptr, i64, i64 } %t1357, 0
-  %t1361 = getelementptr inbounds %S.gen.FnSig, ptr %t1360, i64 %t1356
-  %t1362 = getelementptr inbounds %S.gen.FnSig, ptr %t1361, i32 0, i32 14
-  %t1363 = load i64, ptr %a1314
-  %t1364 = load { ptr, i64, i64 }, ptr %t1362
-  %t1365 = extractvalue { ptr, i64, i64 } %t1364, 1
-  %t1366 = icmp uge i64 %t1363, %t1365
-  br i1 %t1366, label %range3600, label %inrange3601
-range3600:
-  call void @finch_panic_index(ptr @.str.2280, i64 1440, i64 %t1363, i64 %t1365)
+ok3794:
+  %t1363 = getelementptr inbounds %S.gen.Gen, ptr %t1361, i32 0, i32 15
+  %t1364 = load i64, ptr %a1302
+  %t1365 = load { ptr, i64, i64 }, ptr %t1363
+  %t1366 = extractvalue { ptr, i64, i64 } %t1365, 1
+  %t1367 = icmp uge i64 %t1364, %t1366
+  br i1 %t1367, label %range3795, label %inrange3796
+range3795:
+  call void @finch_panic_index(ptr @.str.2358, i64 1586, i64 %t1364, i64 %t1366)
   unreachable
-inrange3601:
-  %t1367 = extractvalue { ptr, i64, i64 } %t1364, 0
-  %t1368 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1367, i64 %t1363
-  %t1369 = load { ptr, i64, i64 }, ptr %t1368
-  %t1370 = load %S.ast.Node, ptr %a1301
-  %t1371 = call i1 @finch.gen.mutates(ptr %t1352, { ptr, i64, i64 } %t1369, %S.ast.Node %t1370)
-  %t1372 = xor i1 %t1371, true
-  br label %logic.rend3602
-logic.rend3602:
-  br label %logic.end3595
-logic.end3595:
-  %t1373 = phi i1 [ false, %logic.from3593 ], [ %t1372, %logic.rend3602 ]
-  %t1374 = load i64, ptr %t1348
-  %t1375 = add i64 %t1374, 1
-  call void @finch_arr_reserve(ptr %t1347, i64 %t1375, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
-  %t1376 = load ptr, ptr %t1347
-  %t1377 = getelementptr inbounds i1, ptr %t1376, i64 %t1374
-  store i1 %t1373, ptr %t1377
-  store i64 %t1375, ptr %t1348
-  br label %for.step3581
-for.step3581:
-  %t1378 = load i64, ptr %a1314
-  %t1379 = add i64 %t1378, 1
-  store i64 %t1379, ptr %a1314
-  br label %for.cond3579
-for.end3582:
-  br label %for.step3557
-for.step3557:
-  %t1380 = load i64, ptr %a1243
-  %t1381 = add i64 %t1380, 1
-  store i64 %t1381, ptr %a1243
-  br label %for.cond3555
-for.end3558:
+inrange3796:
+  %t1368 = extractvalue { ptr, i64, i64 } %t1365, 0
+  %t1369 = getelementptr inbounds %S.gen.FnSig, ptr %t1368, i64 %t1364
+  %t1370 = getelementptr inbounds %S.gen.FnSig, ptr %t1369, i32 0, i32 13
+  %t1371 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1370, i32 0, i32 1
+  %t1372 = load i64, ptr %t1371
+  store i64 0, ptr %a1373
+  br label %for.cond3797
+for.cond3797:
+  %t1374 = load i64, ptr %a1373
+  %t1375 = icmp slt i64 %t1374, %t1372
+  br i1 %t1375, label %for.body3798, label %for.end3800
+for.body3798:
+  %t1376 = load ptr, ptr %a1
+  %t1377 = icmp eq ptr %t1376, null
+  br i1 %t1377, label %panic3801, label %ok3802
+panic3801:
+  call void @finch_panic(ptr @.str.2359, i64 1587, ptr @.str.2360)
+  unreachable
+ok3802:
+  %t1378 = getelementptr inbounds %S.gen.Gen, ptr %t1376, i32 0, i32 15
+  %t1379 = load i64, ptr %a1302
+  %t1380 = load { ptr, i64, i64 }, ptr %t1378
+  %t1381 = extractvalue { ptr, i64, i64 } %t1380, 1
+  %t1382 = icmp uge i64 %t1379, %t1381
+  br i1 %t1382, label %range3803, label %inrange3804
+range3803:
+  call void @finch_panic_index(ptr @.str.2361, i64 1587, i64 %t1379, i64 %t1381)
+  unreachable
+inrange3804:
+  %t1383 = extractvalue { ptr, i64, i64 } %t1380, 0
+  %t1384 = getelementptr inbounds %S.gen.FnSig, ptr %t1383, i64 %t1379
+  %t1385 = getelementptr inbounds %S.gen.FnSig, ptr %t1384, i32 0, i32 13
+  %t1386 = load i64, ptr %a1373
+  %t1387 = load { ptr, i64, i64 }, ptr %t1385
+  %t1388 = extractvalue { ptr, i64, i64 } %t1387, 1
+  %t1389 = icmp uge i64 %t1386, %t1388
+  br i1 %t1389, label %range3805, label %inrange3806
+range3805:
+  call void @finch_panic_index(ptr @.str.2362, i64 1587, i64 %t1386, i64 %t1388)
+  unreachable
+inrange3806:
+  %t1390 = extractvalue { ptr, i64, i64 } %t1387, 0
+  %t1391 = getelementptr inbounds %S.ast.Type, ptr %t1390, i64 %t1386
+  %t1392 = load %S.ast.Type, ptr %t1391
+  store %S.ast.Type %t1392, ptr %a1393
+  call void @finch.copy.S_ast_Type(ptr %a1394, ptr %a1393)
+  %t1395 = load %S.ast.Type, ptr %a1394
+  store %S.ast.Type %t1395, ptr %a1396
+  %t1397 = load ptr, ptr %a1
+  %t1398 = icmp eq ptr %t1397, null
+  br i1 %t1398, label %panic3807, label %ok3808
+panic3807:
+  call void @finch_panic(ptr @.str.2363, i64 1588, ptr @.str.2364)
+  unreachable
+ok3808:
+  %t1399 = getelementptr inbounds %S.gen.Gen, ptr %t1397, i32 0, i32 15
+  %t1400 = load i64, ptr %a1302
+  %t1401 = load { ptr, i64, i64 }, ptr %t1399
+  %t1402 = extractvalue { ptr, i64, i64 } %t1401, 1
+  %t1403 = icmp uge i64 %t1400, %t1402
+  br i1 %t1403, label %range3809, label %inrange3810
+range3809:
+  call void @finch_panic_index(ptr @.str.2365, i64 1588, i64 %t1400, i64 %t1402)
+  unreachable
+inrange3810:
+  %t1404 = extractvalue { ptr, i64, i64 } %t1401, 0
+  %t1405 = getelementptr inbounds %S.gen.FnSig, ptr %t1404, i64 %t1400
+  %t1406 = getelementptr inbounds %S.gen.FnSig, ptr %t1405, i32 0, i32 15
+  %t1407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1406, i32 0, i32 1
+  %t1408 = load ptr, ptr %a1
+  %t1409 = load %S.ast.Type, ptr %a1396
+  %t1410 = call i1 @finch.gen.owning(ptr %t1408, %S.ast.Type %t1409)
+  br label %logic.from3811
+logic.from3811:
+  br i1 %t1410, label %logic.rhs3812, label %logic.end3813
+logic.rhs3812:
+  %t1411 = load ptr, ptr %a1
+  %t1412 = load ptr, ptr %a1
+  %t1413 = icmp eq ptr %t1412, null
+  br i1 %t1413, label %panic3814, label %ok3815
+panic3814:
+  call void @finch_panic(ptr @.str.2366, i64 1588, ptr @.str.2367)
+  unreachable
+ok3815:
+  %t1414 = getelementptr inbounds %S.gen.Gen, ptr %t1412, i32 0, i32 15
+  %t1415 = load i64, ptr %a1302
+  %t1416 = load { ptr, i64, i64 }, ptr %t1414
+  %t1417 = extractvalue { ptr, i64, i64 } %t1416, 1
+  %t1418 = icmp uge i64 %t1415, %t1417
+  br i1 %t1418, label %range3816, label %inrange3817
+range3816:
+  call void @finch_panic_index(ptr @.str.2368, i64 1588, i64 %t1415, i64 %t1417)
+  unreachable
+inrange3817:
+  %t1419 = extractvalue { ptr, i64, i64 } %t1416, 0
+  %t1420 = getelementptr inbounds %S.gen.FnSig, ptr %t1419, i64 %t1415
+  %t1421 = getelementptr inbounds %S.gen.FnSig, ptr %t1420, i32 0, i32 14
+  %t1422 = load i64, ptr %a1373
+  %t1423 = load { ptr, i64, i64 }, ptr %t1421
+  %t1424 = extractvalue { ptr, i64, i64 } %t1423, 1
+  %t1425 = icmp uge i64 %t1422, %t1424
+  br i1 %t1425, label %range3818, label %inrange3819
+range3818:
+  call void @finch_panic_index(ptr @.str.2369, i64 1588, i64 %t1422, i64 %t1424)
+  unreachable
+inrange3819:
+  %t1426 = extractvalue { ptr, i64, i64 } %t1423, 0
+  %t1427 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1426, i64 %t1422
+  %t1428 = load { ptr, i64, i64 }, ptr %t1427
+  %t1429 = load %S.ast.Node, ptr %a1360
+  %t1430 = call i1 @finch.gen.mutates(ptr %t1411, { ptr, i64, i64 } %t1428, %S.ast.Node %t1429)
+  %t1431 = xor i1 %t1430, true
+  br label %logic.rend3820
+logic.rend3820:
+  br label %logic.end3813
+logic.end3813:
+  %t1432 = phi i1 [ false, %logic.from3811 ], [ %t1431, %logic.rend3820 ]
+  %t1433 = load i64, ptr %t1407
+  %t1434 = add i64 %t1433, 1
+  call void @finch_arr_reserve(ptr %t1406, i64 %t1434, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
+  %t1435 = load ptr, ptr %t1406
+  %t1436 = getelementptr inbounds i1, ptr %t1435, i64 %t1433
+  store i1 %t1432, ptr %t1436
+  store i64 %t1434, ptr %t1407
+  call void @finch.drop.S_ast_Type(ptr %a1396)
+  br label %for.step3799
+for.step3799:
+  %t1437 = load i64, ptr %a1373
+  %t1438 = add i64 %t1437, 1
+  store i64 %t1438, ptr %a1373
+  br label %for.cond3797
+for.end3800:
+  call void @finch.drop.S_ast_Node(ptr %a1360)
+  call void @finch.drop.S_ast_Node(ptr %a1345)
+  br label %for.step3775
+for.step3775:
+  %t1439 = load i64, ptr %a1302
+  %t1440 = add i64 %t1439, 1
+  store i64 %t1440, ptr %a1302
+  br label %for.cond3773
+for.end3776:
   ret void
 }
 
@@ -34149,38 +39879,38 @@ entry:
   store i1 %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic3603, label %ok3604
-panic3603:
-  call void @finch_panic(ptr @.str.2281, i64 1446, ptr @.str.2282)
+  br i1 %t7, label %panic3821, label %ok3822
+panic3821:
+  call void @finch_panic(ptr @.str.2370, i64 1594, ptr @.str.2371)
   unreachable
-ok3604:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
+ok3822:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 17
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   store i64 0, ptr %a11
-  br label %for.cond3605
-for.cond3605:
+  br label %for.cond3823
+for.cond3823:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t10
-  br i1 %t13, label %for.body3606, label %for.end3608
-for.body3606:
+  br i1 %t13, label %for.body3824, label %for.end3826
+for.body3824:
   %t14 = load ptr, ptr %a1
   %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic3609, label %ok3610
-panic3609:
-  call void @finch_panic(ptr @.str.2283, i64 1447, ptr @.str.2284)
+  br i1 %t15, label %panic3827, label %ok3828
+panic3827:
+  call void @finch_panic(ptr @.str.2372, i64 1595, ptr @.str.2373)
   unreachable
-ok3610:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 16
+ok3828:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 17
   %t17 = load i64, ptr %a11
   %t18 = load { ptr, i64, i64 }, ptr %t16
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 %t17, %t19
-  br i1 %t20, label %range3611, label %inrange3612
-range3611:
-  call void @finch_panic_index(ptr @.str.2285, i64 1447, i64 %t17, i64 %t19)
+  br i1 %t20, label %range3829, label %inrange3830
+range3829:
+  call void @finch_panic_index(ptr @.str.2374, i64 1595, i64 %t17, i64 %t19)
   unreachable
-inrange3612:
+inrange3830:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.gen.Template, ptr %t21, i64 %t17
   %t23 = load %S.gen.Template, ptr %t22
@@ -34195,10 +39925,10 @@ inrange3612:
   store { ptr, i64, i64 } %t30, ptr %a32
   %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
   %t34 = icmp ne i32 %t33, 0
-  br label %logic.from3613
-logic.from3613:
-  br i1 %t34, label %logic.rhs3614, label %logic.end3615
-logic.rhs3614:
+  br label %logic.from3831
+logic.from3831:
+  br i1 %t34, label %logic.rhs3832, label %logic.end3833
+logic.rhs3832:
   %t35 = getelementptr inbounds %S.gen.Template, ptr %a27, i32 0, i32 1
   %t36 = load { ptr, i64, i64 }, ptr %t35
   %t37 = load { ptr, i64, i64 }, ptr %a3
@@ -34206,15 +39936,15 @@ logic.rhs3614:
   store { ptr, i64, i64 } %t37, ptr %a39
   %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
   %t41 = icmp ne i32 %t40, 0
-  br label %logic.rend3616
-logic.rend3616:
-  br label %logic.end3615
-logic.end3615:
-  %t42 = phi i1 [ false, %logic.from3613 ], [ %t41, %logic.rend3616 ]
-  br label %logic.from3617
-logic.from3617:
-  br i1 %t42, label %logic.rhs3618, label %logic.end3619
-logic.rhs3618:
+  br label %logic.rend3834
+logic.rend3834:
+  br label %logic.end3833
+logic.end3833:
+  %t42 = phi i1 [ false, %logic.from3831 ], [ %t41, %logic.rend3834 ]
+  br label %logic.from3835
+logic.from3835:
+  br i1 %t42, label %logic.rhs3836, label %logic.end3837
+logic.rhs3836:
   %t43 = getelementptr inbounds %S.gen.Template, ptr %a27, i32 0, i32 2
   %t44 = load { ptr, i64, i64 }, ptr %t43
   %t45 = load { ptr, i64, i64 }, ptr %a4
@@ -34222,36 +39952,38 @@ logic.rhs3618:
   store { ptr, i64, i64 } %t45, ptr %a47
   %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
   %t49 = icmp ne i32 %t48, 0
-  br label %logic.rend3620
-logic.rend3620:
-  br label %logic.end3619
-logic.end3619:
-  %t50 = phi i1 [ false, %logic.from3617 ], [ %t49, %logic.rend3620 ]
-  br label %logic.from3621
-logic.from3621:
-  br i1 %t50, label %logic.rhs3622, label %logic.end3623
-logic.rhs3622:
+  br label %logic.rend3838
+logic.rend3838:
+  br label %logic.end3837
+logic.end3837:
+  %t50 = phi i1 [ false, %logic.from3835 ], [ %t49, %logic.rend3838 ]
+  br label %logic.from3839
+logic.from3839:
+  br i1 %t50, label %logic.rhs3840, label %logic.end3841
+logic.rhs3840:
   %t51 = getelementptr inbounds %S.gen.Template, ptr %a27, i32 0, i32 6
   %t52 = load i1, ptr %t51
   %t53 = load i1, ptr %a5
   %t54 = icmp eq i1 %t52, %t53
-  br label %logic.rend3624
-logic.rend3624:
-  br label %logic.end3623
-logic.end3623:
-  %t55 = phi i1 [ false, %logic.from3621 ], [ %t54, %logic.rend3624 ]
-  br i1 %t55, label %then3625, label %endif3627
-then3625:
+  br label %logic.rend3842
+logic.rend3842:
+  br label %logic.end3841
+logic.end3841:
+  %t55 = phi i1 [ false, %logic.from3839 ], [ %t54, %logic.rend3842 ]
+  br i1 %t55, label %then3843, label %endif3845
+then3843:
   %t56 = load i64, ptr %a11
+  call void @finch.drop.S_gen_Template(ptr %a27)
   ret i64 %t56
-endif3627:
-  br label %for.step3607
-for.step3607:
+endif3845:
+  call void @finch.drop.S_gen_Template(ptr %a27)
+  br label %for.step3825
+for.step3825:
   %t57 = load i64, ptr %a11
   %t58 = add i64 %t57, 1
   store i64 %t58, ptr %a11
-  br label %for.cond3605
-for.end3608:
+  br label %for.cond3823
+for.end3826:
   ret i64 -1
 }
 
@@ -34266,14 +39998,14 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond3628
-each.cond3628:
+  br label %each.cond3846
+each.cond3846:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body3629, label %each.end3631
-each.body3629:
+  br i1 %t7, label %each.body3847, label %each.end3849
+each.body3847:
   %t8 = load ptr, ptr %a1
   %t9 = getelementptr inbounds %S.ast.Type, ptr %t8, i64 %t6
   %t10 = load %S.ast.Type, ptr %t9
@@ -34288,17 +40020,18 @@ each.body3629:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i64 %t15
   store { ptr, i64, i64 } %t14, ptr %t18
   store i64 %t16, ptr %t12
-  br label %each.step3630
-each.step3630:
+  br label %each.step3848
+each.step3848:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %each.cond3628
-each.end3631:
+  br label %each.cond3846
+each.end3849:
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2286, i64 2, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2375, i64 2, i64 0 }, ptr %a22
   call void @finch_str_join(ptr %a23, ptr %a2, ptr %a22)
   %t24 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.arr_str(ptr %a2)
   ret { ptr, i64, i64 } %t24
 }
 
@@ -34316,67 +40049,85 @@ entry:
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca %S.gen.Template, align 16
-  %a44 = alloca %S.gen.Template, align 16
-  %a46 = alloca %S.gen.Template, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca %S.gen.Template, align 16
+  %a48 = alloca %S.gen.Template, align 16
+  %a50 = alloca %S.gen.Template, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -34385,218 +40136,256 @@ entry:
   %t6 = load ptr, ptr %a1
   %t7 = load { ptr, i64, i64 }, ptr %a2
   %t8 = load { ptr, i64, i64 }, ptr %a3
-  %t9 = call i64 @finch.gen.findTemplate(ptr %t6, { ptr, i64, i64 } %t7, { ptr, i64, i64 } %t8, { ptr, i64, i64 } { ptr @.str.2287, i64 0, i64 0 }, i1 true)
+  %t9 = call i64 @finch.gen.findTemplate(ptr %t6, { ptr, i64, i64 } %t7, { ptr, i64, i64 } %t8, { ptr, i64, i64 } { ptr @.str.2376, i64 0, i64 0 }, i1 true)
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br i1 %t12, label %then3632, label %endif3634
-then3632:
+  br i1 %t12, label %then3850, label %endif3852
+then3850:
   %t13 = load ptr, ptr %a1
   %t14 = load %S.ast.Node, ptr %a5
   %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.2288, i64 34, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.2377, i64 34, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
   %t19 = load { ptr, i64, i64 }, ptr %a16
   store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.2289, i64 28, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2378, i64 28, i64 0 }, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t23, ptr %a26
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  %t25 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t24, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t28, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.2290, i64 34, i64 0 }, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  call void @finch.gen.fail(ptr %t13, %S.ast.Node %t14, { ptr, i64, i64 } %t32)
-  br label %endif3634
-endif3634:
-  %t33 = load ptr, ptr %a1
-  %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic3635, label %ok3636
-panic3635:
-  call void @finch_panic(ptr @.str.2291, i64 1469, ptr @.str.2292)
+  store { ptr, i64, i64 } %t25, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t24, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.2379, i64 34, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  call void @finch.gen.fail(ptr %t13, %S.ast.Node %t14, { ptr, i64, i64 } %t35)
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  br label %endif3852
+endif3852:
+  %t37 = load ptr, ptr %a1
+  %t38 = icmp eq ptr %t37, null
+  br i1 %t38, label %panic3853, label %ok3854
+panic3853:
+  call void @finch_panic(ptr @.str.2380, i64 1617, ptr @.str.2381)
   unreachable
-ok3636:
-  %t35 = getelementptr inbounds %S.gen.Gen, ptr %t33, i32 0, i32 16
-  %t36 = load i64, ptr %a10
-  %t37 = load { ptr, i64, i64 }, ptr %t35
-  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
-  %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range3637, label %inrange3638
-range3637:
-  call void @finch_panic_index(ptr @.str.2293, i64 1469, i64 %t36, i64 %t38)
+ok3854:
+  %t39 = getelementptr inbounds %S.gen.Gen, ptr %t37, i32 0, i32 17
+  %t40 = load i64, ptr %a10
+  %t41 = load { ptr, i64, i64 }, ptr %t39
+  %t42 = extractvalue { ptr, i64, i64 } %t41, 1
+  %t43 = icmp uge i64 %t40, %t42
+  br i1 %t43, label %range3855, label %inrange3856
+range3855:
+  call void @finch_panic_index(ptr @.str.2382, i64 1617, i64 %t40, i64 %t42)
   unreachable
-inrange3638:
-  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
-  %t41 = getelementptr inbounds %S.gen.Template, ptr %t40, i64 %t36
-  %t42 = load %S.gen.Template, ptr %t41
-  store %S.gen.Template %t42, ptr %a43
-  call void @finch.copy.S_gen_Template(ptr %a44, ptr %a43)
-  %t45 = load %S.gen.Template, ptr %a44
-  store %S.gen.Template %t45, ptr %a46
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t48 = load i64, ptr %t47
-  %t49 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i32 0, i32 1
-  %t51 = load i64, ptr %t50
-  %t52 = icmp ne i64 %t48, %t51
-  br i1 %t52, label %then3639, label %endif3641
-then3639:
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Node, ptr %a5
-  %t55 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.2294, i64 7, i64 0 }, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  %t60 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
-  %t62 = load i64, ptr %t61
-  call void @finch_str_from_int(ptr %a63, i64 %t62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t59, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.2295, i64 24, i64 0 }, ptr %a71
+inrange3856:
+  %t44 = extractvalue { ptr, i64, i64 } %t41, 0
+  %t45 = getelementptr inbounds %S.gen.Template, ptr %t44, i64 %t40
+  %t46 = load %S.gen.Template, ptr %t45
+  store %S.gen.Template %t46, ptr %a47
+  call void @finch.copy.S_gen_Template(ptr %a48, ptr %a47)
+  %t49 = load %S.gen.Template, ptr %a48
+  store %S.gen.Template %t49, ptr %a50
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t52 = load i64, ptr %t51
+  %t53 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i32 0, i32 1
+  %t55 = load i64, ptr %t54
+  %t56 = icmp ne i64 %t52, %t55
+  br i1 %t56, label %then3857, label %endif3859
+then3857:
+  %t57 = load ptr, ptr %a1
+  %t58 = load %S.ast.Node, ptr %a5
+  %t59 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t59, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.2383, i64 7, i64 0 }, ptr %a62
+  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a60
+  %t64 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
+  %t66 = load i64, ptr %t65
+  call void @finch_str_from_int(ptr %a67, i64 %t66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t63, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
   call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t72, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.2296, i64 1, i64 0 }, ptr %a80
-  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
-  %t81 = load { ptr, i64, i64 }, ptr %a78
-  %t82 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2297, i64 2, i64 0 }, ptr %a84
-  call void @finch_str_join(ptr %a85, ptr %t82, ptr %a84)
-  %t86 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t81, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.2298, i64 11, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  call void @finch_str_from_int(ptr %a97, i64 %t96)
-  %t98 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t94, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  call void @finch.gen.fail(ptr %t53, %S.ast.Node %t54, { ptr, i64, i64 } %t102)
-  br label %endif3641
-endif3641:
-  %t103 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t103, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.2299, i64 1, i64 0 }, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  %t108 = load { ptr, i64, i64 }, ptr %a4
-  %t109 = call { ptr, i64, i64 } @finch.gen.shownTypes({ ptr, i64, i64 } %t108)
-  store { ptr, i64, i64 } %t107, ptr %a111
-  store { ptr, i64, i64 } %t109, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t113, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.2300, i64 1, i64 0 }, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a118
-  %t119 = load ptr, ptr %a1
-  %t120 = load { ptr, i64, i64 }, ptr %a2
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = call i64 @finch.gen.findStruct(ptr %t119, { ptr, i64, i64 } %t120, { ptr, i64, i64 } %t121)
-  %t123 = icmp slt i64 %t122, 0
-  br i1 %t123, label %then3642, label %endif3644
-then3642:
-  %t124 = load ptr, ptr %a1
-  %t125 = icmp eq ptr %t124, null
-  br i1 %t125, label %panic3645, label %ok3646
-panic3645:
-  call void @finch_panic(ptr @.str.2301, i64 1475, ptr @.str.2302)
+  store { ptr, i64, i64 } %t63, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t68, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.2384, i64 24, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  %t80 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t79, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t79, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.2385, i64 1, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2386, i64 2, i64 0 }, ptr %a93
+  call void @finch_str_join(ptr %a94, ptr %t91, ptr %a93)
+  %t95 = load { ptr, i64, i64 }, ptr %a94
+  store { ptr, i64, i64 } %t90, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t90, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  store { ptr, i64, i64 } %t95, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a96
+  store { ptr, i64, i64 } %t101, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.2387, i64 11, i64 0 }, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t101, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t108 = load i64, ptr %t107
+  call void @finch_str_from_int(ptr %a109, i64 %t108)
+  %t110 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t106, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t106, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  store { ptr, i64, i64 } %t110, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.fail(ptr %t57, %S.ast.Node %t58, { ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  br label %endif3859
+endif3859:
+  %t118 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t118, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.2388, i64 1, i64 0 }, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a119
+  %t123 = load { ptr, i64, i64 }, ptr %a4
+  %t124 = call { ptr, i64, i64 } @finch.gen.shownTypes({ ptr, i64, i64 } %t123)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  store { ptr, i64, i64 } %t124, ptr %a127
+  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
+  store { ptr, i64, i64 } %t122, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  store { ptr, i64, i64 } %t124, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a125
+  store { ptr, i64, i64 } %t130, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.2389, i64 1, i64 0 }, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t130, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  store { ptr, i64, i64 } %t135, ptr %a136
+  %t137 = load ptr, ptr %a1
+  %t138 = load { ptr, i64, i64 }, ptr %a2
+  %t139 = load { ptr, i64, i64 }, ptr %a136
+  %t140 = call i64 @finch.gen.findStruct(ptr %t137, { ptr, i64, i64 } %t138, { ptr, i64, i64 } %t139)
+  %t141 = icmp slt i64 %t140, 0
+  br i1 %t141, label %then3860, label %endif3862
+then3860:
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic3863, label %ok3864
+panic3863:
+  call void @finch_panic(ptr @.str.2390, i64 1623, ptr @.str.2391)
   unreachable
-ok3646:
-  %t126 = getelementptr inbounds %S.gen.Gen, ptr %t124, i32 0, i32 15
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t126, i32 0, i32 1
-  %t128 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t128, ptr %a129
-  call void @finch_str_copy(ptr %a130, ptr %a129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  %t132 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t131, 0
-  %t133 = load { ptr, i64, i64 }, ptr %a118
-  store { ptr, i64, i64 } %t133, ptr %a134
-  call void @finch_str_copy(ptr %a135, ptr %a134)
-  %t136 = load { ptr, i64, i64 }, ptr %a135
-  %t137 = insertvalue %S.gen.StructDef %t132, { ptr, i64, i64 } %t136, 1
-  %t138 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t138, ptr %a139
-  call void @finch_str_copy(ptr %a140, ptr %a139)
-  %t141 = load { ptr, i64, i64 }, ptr %a140
-  %t142 = insertvalue %S.gen.StructDef %t137, { ptr, i64, i64 } %t141, 5
-  %t143 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  call void @finch.copy.arr_str(ptr %a146, ptr %a145)
-  %t147 = load { ptr, i64, i64 }, ptr %a146
-  %t148 = insertvalue %S.gen.StructDef %t142, { ptr, i64, i64 } %t147, 6
-  %t149 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t149, ptr %a150
-  call void @finch.copy.arr_S_ast_Type(ptr %a151, ptr %a150)
-  %t152 = load { ptr, i64, i64 }, ptr %a151
-  %t153 = insertvalue %S.gen.StructDef %t148, { ptr, i64, i64 } %t152, 7
-  %t154 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 4
-  %t155 = load i64, ptr %t154
-  %t156 = insertvalue %S.gen.StructDef %t153, i64 %t155, 13
-  %t157 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 5
-  %t158 = load i64, ptr %t157
-  %t159 = insertvalue %S.gen.StructDef %t156, i64 %t158, 14
-  %t160 = load i64, ptr %t127
-  %t161 = add i64 %t160, 1
-  call void @finch_arr_reserve(ptr %t126, i64 %t161, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
-  %t162 = load ptr, ptr %t126
-  %t163 = getelementptr inbounds %S.gen.StructDef, ptr %t162, i64 %t160
-  store %S.gen.StructDef %t159, ptr %t163
-  store i64 %t161, ptr %t127
-  %t164 = load ptr, ptr %a1
-  %t165 = load ptr, ptr %a1
-  %t166 = icmp eq ptr %t165, null
-  br i1 %t166, label %panic3647, label %ok3648
-panic3647:
-  call void @finch_panic(ptr @.str.2303, i64 1476, ptr @.str.2304)
+ok3864:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 16
+  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
+  %t146 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t146, ptr %a147
+  call void @finch_str_copy(ptr %a148, ptr %a147)
+  %t149 = load { ptr, i64, i64 }, ptr %a148
+  %t150 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t149, 0
+  %t151 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t151, ptr %a152
+  call void @finch_str_copy(ptr %a153, ptr %a152)
+  %t154 = load { ptr, i64, i64 }, ptr %a153
+  %t155 = insertvalue %S.gen.StructDef %t150, { ptr, i64, i64 } %t154, 1
+  %t156 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t156, ptr %a157
+  call void @finch_str_copy(ptr %a158, ptr %a157)
+  %t159 = load { ptr, i64, i64 }, ptr %a158
+  %t160 = insertvalue %S.gen.StructDef %t155, { ptr, i64, i64 } %t159, 5
+  %t161 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t162 = load { ptr, i64, i64 }, ptr %t161
+  store { ptr, i64, i64 } %t162, ptr %a163
+  call void @finch.copy.arr_str(ptr %a164, ptr %a163)
+  %t165 = load { ptr, i64, i64 }, ptr %a164
+  %t166 = insertvalue %S.gen.StructDef %t160, { ptr, i64, i64 } %t165, 6
+  %t167 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t167, ptr %a168
+  call void @finch.copy.arr_S_ast_Type(ptr %a169, ptr %a168)
+  %t170 = load { ptr, i64, i64 }, ptr %a169
+  %t171 = insertvalue %S.gen.StructDef %t166, { ptr, i64, i64 } %t170, 7
+  %t172 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 4
+  %t173 = load i64, ptr %t172
+  %t174 = insertvalue %S.gen.StructDef %t171, i64 %t173, 13
+  %t175 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 5
+  %t176 = load i64, ptr %t175
+  %t177 = insertvalue %S.gen.StructDef %t174, i64 %t176, 14
+  %t178 = load i64, ptr %t145
+  %t179 = add i64 %t178, 1
+  call void @finch_arr_reserve(ptr %t144, i64 %t179, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
+  %t180 = load ptr, ptr %t144
+  %t181 = getelementptr inbounds %S.gen.StructDef, ptr %t180, i64 %t178
+  store %S.gen.StructDef %t177, ptr %t181
+  store i64 %t179, ptr %t145
+  %t182 = load ptr, ptr %a1
+  %t183 = load ptr, ptr %a1
+  %t184 = icmp eq ptr %t183, null
+  br i1 %t184, label %panic3865, label %ok3866
+panic3865:
+  call void @finch_panic(ptr @.str.2392, i64 1624, ptr @.str.2393)
   unreachable
-ok3648:
-  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 15
-  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
-  %t169 = load i64, ptr %t168
-  %t170 = sub i64 %t169, 1
-  call void @finch.gen.resolveStruct(ptr %t164, i64 %t170)
-  br label %endif3644
-endif3644:
-  %t171 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.2305, i64 6, i64 0 }, 0
-  %t172 = load { ptr, i64, i64 }, ptr %a118
-  store { ptr, i64, i64 } %t172, ptr %a173
-  call void @finch_str_copy(ptr %a174, ptr %a173)
-  %t175 = load { ptr, i64, i64 }, ptr %a174
-  %t176 = insertvalue %S.ast.Type %t171, { ptr, i64, i64 } %t175, 2
-  %t177 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t177, ptr %a178
-  call void @finch_str_copy(ptr %a179, ptr %a178)
-  %t180 = load { ptr, i64, i64 }, ptr %a179
-  %t181 = insertvalue %S.ast.Type %t176, { ptr, i64, i64 } %t180, 3
-  ret %S.ast.Type %t181
+ok3866:
+  %t185 = getelementptr inbounds %S.gen.Gen, ptr %t183, i32 0, i32 16
+  %t186 = getelementptr inbounds { ptr, i64, i64 }, ptr %t185, i32 0, i32 1
+  %t187 = load i64, ptr %t186
+  %t188 = sub i64 %t187, 1
+  call void @finch.gen.resolveStruct(ptr %t182, i64 %t188)
+  br label %endif3862
+endif3862:
+  %t189 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.2394, i64 6, i64 0 }, 0
+  %t190 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_copy(ptr %a192, ptr %a191)
+  %t193 = load { ptr, i64, i64 }, ptr %a192
+  %t194 = insertvalue %S.ast.Type %t189, { ptr, i64, i64 } %t193, 2
+  %t195 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t195, ptr %a196
+  call void @finch_str_copy(ptr %a197, ptr %a196)
+  %t198 = load { ptr, i64, i64 }, ptr %a197
+  %t199 = insertvalue %S.ast.Type %t194, { ptr, i64, i64 } %t198, 3
+  call void @finch_str_drop(ptr %a136)
+  call void @finch.drop.S_gen_Template(ptr %a50)
+  ret %S.ast.Type %t199
 }
 
 define internal i64 @finch.gen.instFn(ptr %p0, i64 %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, %S.ast.Node %p4) {
@@ -34615,105 +40404,134 @@ entry:
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca i64, align 16
-  %a58 = alloca i64, align 16
-  %a81 = alloca %S.ast.Node, align 16
-  %a82 = alloca %S.ast.Node, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca i64, align 16
+  %a61 = alloca i64, align 16
   %a84 = alloca %S.ast.Node, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca %S.gen.FnSig, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca %S.ast.Node, align 16
+  %a87 = alloca %S.ast.Node, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca %S.gen.FnSig, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
   %a187 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca %S.ast.Node, align 16
-  %a293 = alloca %S.ast.Node, align 16
-  %a295 = alloca %S.ast.Node, align 16
-  %a300 = alloca i64, align 16
-  %a322 = alloca %S.ast.Type, align 16
-  %a326 = alloca %S.ast.Type, align 16
-  %a327 = alloca %S.ast.Type, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca %S.ast.Type, align 16
+  %a327 = alloca %S.ast.Node, align 16
+  %a328 = alloca %S.ast.Node, align 16
+  %a330 = alloca %S.ast.Node, align 16
+  %a335 = alloca i64, align 16
+  %a357 = alloca %S.ast.Type, align 16
+  %a361 = alloca %S.ast.Type, align 16
+  %a362 = alloca %S.ast.Type, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
   %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a401 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca %S.gen.FnSig, align 16
-  %a410 = alloca %S.gen.FnSig, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca %S.gen.FnSig, align 16
+  %a453 = alloca %S.gen.FnSig, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -34721,21 +40539,21 @@ entry:
   store %S.ast.Node %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic3649, label %ok3650
-panic3649:
-  call void @finch_panic(ptr @.str.2306, i64 1483, ptr @.str.2307)
+  br i1 %t7, label %panic3867, label %ok3868
+panic3867:
+  call void @finch_panic(ptr @.str.2395, i64 1631, ptr @.str.2396)
   unreachable
-ok3650:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
+ok3868:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 17
   %t9 = load i64, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range3651, label %inrange3652
-range3651:
-  call void @finch_panic_index(ptr @.str.2308, i64 1483, i64 %t9, i64 %t11)
+  br i1 %t12, label %range3869, label %inrange3870
+range3869:
+  call void @finch_panic_index(ptr @.str.2397, i64 1631, i64 %t9, i64 %t11)
   unreachable
-inrange3652:
+inrange3870:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.Template, ptr %t13, i64 %t9
   %t15 = load %S.gen.Template, ptr %t14
@@ -34746,7 +40564,7 @@ inrange3652:
   %t20 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.2309, i64 1, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.2398, i64 1, i64 0 }, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
   %t25 = load { ptr, i64, i64 }, ptr %a22
   %t26 = load { ptr, i64, i64 }, ptr %a3
@@ -34754,569 +40572,655 @@ inrange3652:
   store { ptr, i64, i64 } %t25, ptr %a29
   store { ptr, i64, i64 } %t27, ptr %a30
   call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.2310, i64 1, i64 0 }, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a36
-  %t37 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i32 0, i32 1
-  %t39 = load i64, ptr %t38
-  %t40 = icmp sgt i64 %t39, 0
-  br i1 %t40, label %then3653, label %else3654
-then3653:
-  %t41 = load ptr, ptr %a1
-  %t42 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  %t44 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t47 = load { ptr, i64, i64 }, ptr %t46
-  %t48 = call i64 @finch.gen.findMethod(ptr %t41, { ptr, i64, i64 } %t43, { ptr, i64, i64 } %t45, { ptr, i64, i64 } %t47)
-  store i64 %t48, ptr %a49
-  %t50 = load i64, ptr %a49
-  %t51 = icmp sge i64 %t50, 0
-  br i1 %t51, label %then3656, label %endif3658
-then3656:
-  %t52 = load i64, ptr %a49
-  ret i64 %t52
-endif3658:
-  br label %endif3655
-else3654:
-  %t53 = load ptr, ptr %a1
-  %t54 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  %t56 = load { ptr, i64, i64 }, ptr %a36
-  %t57 = call i64 @finch.gen.findFn(ptr %t53, { ptr, i64, i64 } %t55, { ptr, i64, i64 } %t56)
-  store i64 %t57, ptr %a58
-  %t59 = load i64, ptr %a58
-  %t60 = icmp sge i64 %t59, 0
-  br i1 %t60, label %then3659, label %endif3661
-then3659:
-  %t61 = load i64, ptr %a58
-  ret i64 %t61
-endif3661:
-  br label %endif3655
-endif3655:
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic3662, label %ok3663
-panic3662:
-  call void @finch_panic(ptr @.str.2311, i64 1496, ptr @.str.2312)
+  store { ptr, i64, i64 } %t25, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  store { ptr, i64, i64 } %t27, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t33, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.2399, i64 1, i64 0 }, ptr %a36
+  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a34
+  store { ptr, i64, i64 } %t38, ptr %a39
+  %t40 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = icmp sgt i64 %t42, 0
+  br i1 %t43, label %then3871, label %else3872
+then3871:
+  %t44 = load ptr, ptr %a1
+  %t45 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  %t49 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  %t51 = call i64 @finch.gen.findMethod(ptr %t44, { ptr, i64, i64 } %t46, { ptr, i64, i64 } %t48, { ptr, i64, i64 } %t50)
+  store i64 %t51, ptr %a52
+  %t53 = load i64, ptr %a52
+  %t54 = icmp sge i64 %t53, 0
+  br i1 %t54, label %then3874, label %endif3876
+then3874:
+  %t55 = load i64, ptr %a52
+  call void @finch_str_drop(ptr %a39)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret i64 %t55
+endif3876:
+  br label %endif3873
+else3872:
+  %t56 = load ptr, ptr %a1
+  %t57 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t58 = load { ptr, i64, i64 }, ptr %t57
+  %t59 = load { ptr, i64, i64 }, ptr %a39
+  %t60 = call i64 @finch.gen.findFn(ptr %t56, { ptr, i64, i64 } %t58, { ptr, i64, i64 } %t59)
+  store i64 %t60, ptr %a61
+  %t62 = load i64, ptr %a61
+  %t63 = icmp sge i64 %t62, 0
+  br i1 %t63, label %then3877, label %endif3879
+then3877:
+  %t64 = load i64, ptr %a61
+  call void @finch_str_drop(ptr %a39)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret i64 %t64
+endif3879:
+  br label %endif3873
+endif3873:
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic3880, label %ok3881
+panic3880:
+  call void @finch_panic(ptr @.str.2400, i64 1644, ptr @.str.2401)
   unreachable
-ok3663:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 0
-  %t65 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
-  %t66 = load i64, ptr %t65
-  %t67 = load { ptr, i64, i64 }, ptr %t64
-  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
-  %t69 = icmp uge i64 %t66, %t68
-  br i1 %t69, label %range3664, label %inrange3665
-range3664:
-  call void @finch_panic_index(ptr @.str.2313, i64 1496, i64 %t66, i64 %t68)
+ok3881:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 0
+  %t68 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
+  %t69 = load i64, ptr %t68
+  %t70 = load { ptr, i64, i64 }, ptr %t67
+  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
+  %t72 = icmp uge i64 %t69, %t71
+  br i1 %t72, label %range3882, label %inrange3883
+range3882:
+  call void @finch_panic_index(ptr @.str.2402, i64 1644, i64 %t69, i64 %t71)
   unreachable
-inrange3665:
-  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
-  %t71 = getelementptr inbounds %S.ast.Program, ptr %t70, i64 %t66
-  %t72 = getelementptr inbounds %S.ast.Program, ptr %t71, i32 0, i32 8
-  %t73 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
-  %t74 = load i64, ptr %t73
-  %t75 = load { ptr, i64, i64 }, ptr %t72
-  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
-  %t77 = icmp uge i64 %t74, %t76
-  br i1 %t77, label %range3666, label %inrange3667
-range3666:
-  call void @finch_panic_index(ptr @.str.2314, i64 1496, i64 %t74, i64 %t76)
+inrange3883:
+  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
+  %t74 = getelementptr inbounds %S.ast.Program, ptr %t73, i64 %t69
+  %t75 = getelementptr inbounds %S.ast.Program, ptr %t74, i32 0, i32 8
+  %t76 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
+  %t77 = load i64, ptr %t76
+  %t78 = load { ptr, i64, i64 }, ptr %t75
+  %t79 = extractvalue { ptr, i64, i64 } %t78, 1
+  %t80 = icmp uge i64 %t77, %t79
+  br i1 %t80, label %range3884, label %inrange3885
+range3884:
+  call void @finch_panic_index(ptr @.str.2403, i64 1644, i64 %t77, i64 %t79)
   unreachable
-inrange3667:
-  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
-  %t79 = getelementptr inbounds %S.ast.Node, ptr %t78, i64 %t74
-  %t80 = load %S.ast.Node, ptr %t79
-  store %S.ast.Node %t80, ptr %a81
-  call void @finch.copy.S_ast_Node(ptr %a82, ptr %a81)
-  %t83 = load %S.ast.Node, ptr %a82
+inrange3885:
+  %t81 = extractvalue { ptr, i64, i64 } %t78, 0
+  %t82 = getelementptr inbounds %S.ast.Node, ptr %t81, i64 %t77
+  %t83 = load %S.ast.Node, ptr %t82
   store %S.ast.Node %t83, ptr %a84
-  %t85 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  store { ptr, i64, i64 } %t86, ptr %a87
-  call void @finch_str_copy(ptr %a88, ptr %a87)
-  %t89 = load { ptr, i64, i64 }, ptr %a88
-  %t90 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t89, 0
-  %t91 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t91, ptr %a92
-  call void @finch_str_copy(ptr %a93, ptr %a92)
-  %t94 = load { ptr, i64, i64 }, ptr %a93
-  %t95 = insertvalue %S.gen.FnSig %t90, { ptr, i64, i64 } %t94, 1
-  %t96 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t97 = load { ptr, i64, i64 }, ptr %t96
-  store { ptr, i64, i64 } %t97, ptr %a98
-  call void @finch_str_copy(ptr %a99, ptr %a98)
-  %t100 = load { ptr, i64, i64 }, ptr %a99
-  %t101 = insertvalue %S.gen.FnSig %t95, { ptr, i64, i64 } %t100, 3
-  %t102 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  store { ptr, i64, i64 } %t103, ptr %a104
-  call void @finch.copy.arr_str(ptr %a105, ptr %a104)
-  %t106 = load { ptr, i64, i64 }, ptr %a105
-  %t107 = insertvalue %S.gen.FnSig %t101, { ptr, i64, i64 } %t106, 6
-  %t108 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t108, ptr %a109
-  call void @finch.copy.arr_S_ast_Type(ptr %a110, ptr %a109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  %t112 = insertvalue %S.gen.FnSig %t107, { ptr, i64, i64 } %t111, 7
-  %t113 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t113, ptr %a114
-  call void @finch_str_copy(ptr %a115, ptr %a114)
-  %t116 = load { ptr, i64, i64 }, ptr %a115
-  %t117 = insertvalue %S.gen.FnSig %t112, { ptr, i64, i64 } %t116, 8
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 7
-  %t119 = load i1, ptr %t118
-  %t120 = insertvalue %S.gen.FnSig %t117, i1 %t119, 9
-  %t121 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 7
+  call void @finch.copy.S_ast_Node(ptr %a85, ptr %a84)
+  %t86 = load %S.ast.Node, ptr %a85
+  store %S.ast.Node %t86, ptr %a87
+  %t88 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  call void @finch_str_copy(ptr %a91, ptr %a90)
+  %t92 = load { ptr, i64, i64 }, ptr %a91
+  %t93 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t92, 0
+  %t94 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t94, ptr %a95
+  call void @finch_str_copy(ptr %a96, ptr %a95)
+  %t97 = load { ptr, i64, i64 }, ptr %a96
+  %t98 = insertvalue %S.gen.FnSig %t93, { ptr, i64, i64 } %t97, 1
+  %t99 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t100 = load { ptr, i64, i64 }, ptr %t99
+  store { ptr, i64, i64 } %t100, ptr %a101
+  call void @finch_str_copy(ptr %a102, ptr %a101)
+  %t103 = load { ptr, i64, i64 }, ptr %a102
+  %t104 = insertvalue %S.gen.FnSig %t98, { ptr, i64, i64 } %t103, 3
+  %t105 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t106 = load { ptr, i64, i64 }, ptr %t105
+  store { ptr, i64, i64 } %t106, ptr %a107
+  call void @finch.copy.arr_str(ptr %a108, ptr %a107)
+  %t109 = load { ptr, i64, i64 }, ptr %a108
+  %t110 = insertvalue %S.gen.FnSig %t104, { ptr, i64, i64 } %t109, 6
+  %t111 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch.copy.arr_S_ast_Type(ptr %a113, ptr %a112)
+  %t114 = load { ptr, i64, i64 }, ptr %a113
+  %t115 = insertvalue %S.gen.FnSig %t110, { ptr, i64, i64 } %t114, 7
+  %t116 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_copy(ptr %a118, ptr %a117)
+  %t119 = load { ptr, i64, i64 }, ptr %a118
+  %t120 = insertvalue %S.gen.FnSig %t115, { ptr, i64, i64 } %t119, 8
+  %t121 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 7
   %t122 = load i1, ptr %t121
-  %t123 = insertvalue %S.gen.FnSig %t120, i1 %t122, 10
-  %t124 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
-  %t125 = load i64, ptr %t124
-  %t126 = insertvalue %S.gen.FnSig %t123, i64 %t125, 16
-  %t127 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
+  %t123 = insertvalue %S.gen.FnSig %t120, i1 %t122, 9
+  %t124 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 7
+  %t125 = load i1, ptr %t124
+  %t126 = insertvalue %S.gen.FnSig %t123, i1 %t125, 10
+  %t127 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
   %t128 = load i64, ptr %t127
-  %t129 = insertvalue %S.gen.FnSig %t126, i64 %t128, 17
-  store %S.gen.FnSig %t129, ptr %a130
-  %t131 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t132 = load { ptr, i64, i64 }, ptr %t131
-  %t133 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t132)
-  store { ptr, i64, i64 } { ptr @.str.2315, i64 7, i64 0 }, ptr %a135
-  store { ptr, i64, i64 } %t133, ptr %a136
-  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
-  %t137 = load { ptr, i64, i64 }, ptr %a134
-  store { ptr, i64, i64 } %t137, ptr %a139
-  store { ptr, i64, i64 } { ptr @.str.2316, i64 1, i64 0 }, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  %t142 = load { ptr, i64, i64 }, ptr %a36
-  %t143 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t142)
+  %t129 = insertvalue %S.gen.FnSig %t126, i64 %t128, 16
+  %t130 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
+  %t131 = load i64, ptr %t130
+  %t132 = insertvalue %S.gen.FnSig %t129, i64 %t131, 17
+  store %S.gen.FnSig %t132, ptr %a133
+  %t134 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  %t136 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t135)
+  store { ptr, i64, i64 } { ptr @.str.2404, i64 7, i64 0 }, ptr %a138
+  store { ptr, i64, i64 } %t136, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t141, ptr %a143
+  store { ptr, i64, i64 } { ptr @.str.2405, i64 1, i64 0 }, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
   store { ptr, i64, i64 } %t141, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 11
-  store { ptr, i64, i64 } %t147, ptr %t148
-  %t149 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
-  %t150 = getelementptr inbounds { ptr, i64, i64 }, ptr %t149, i32 0, i32 1
-  %t151 = load i64, ptr %t150
-  %t152 = icmp sgt i64 %t151, 0
-  br i1 %t152, label %then3668, label %endif3670
-then3668:
-  %t153 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t154 = load { ptr, i64, i64 }, ptr %t153
-  %t155 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 1
-  store { ptr, i64, i64 } %t154, ptr %a156
-  call void @finch_str_copy(ptr %a157, ptr %a156)
-  %t158 = load { ptr, i64, i64 }, ptr %a157
-  store { ptr, i64, i64 } %t158, ptr %t155
-  %t159 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t160 = load { ptr, i64, i64 }, ptr %t159
-  %t161 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 2
-  store { ptr, i64, i64 } %t160, ptr %a162
-  call void @finch_str_copy(ptr %a163, ptr %a162)
-  %t164 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t164, ptr %t161
-  %t165 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t166 = load { ptr, i64, i64 }, ptr %t165
-  store { ptr, i64, i64 } %t166, ptr %a168
-  store { ptr, i64, i64 } { ptr @.str.2317, i64 1, i64 0 }, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  %t171 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t172 = load { ptr, i64, i64 }, ptr %t171
-  store { ptr, i64, i64 } %t170, ptr %a174
-  store { ptr, i64, i64 } %t172, ptr %a175
-  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
-  %t176 = load { ptr, i64, i64 }, ptr %a173
-  %t177 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 8
-  store { ptr, i64, i64 } %t176, ptr %t177
-  %t178 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  %t147 = load { ptr, i64, i64 }, ptr %a39
+  %t148 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t147)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  store { ptr, i64, i64 } %t146, ptr %a152
+  call void @finch_str_drop(ptr %a152)
+  store { ptr, i64, i64 } %t148, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a149
+  %t155 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 11
+  %t156 = load { ptr, i64, i64 }, ptr %t155
+  store { ptr, i64, i64 } %t154, ptr %t155
+  store { ptr, i64, i64 } %t156, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
+  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %t158, i32 0, i32 1
+  %t160 = load i64, ptr %t159
+  %t161 = icmp sgt i64 %t160, 0
+  br i1 %t161, label %then3886, label %endif3888
+then3886:
+  %t162 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  %t164 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 1
+  store { ptr, i64, i64 } %t163, ptr %a165
+  call void @finch_str_copy(ptr %a166, ptr %a165)
+  %t167 = load { ptr, i64, i64 }, ptr %a166
+  %t168 = load { ptr, i64, i64 }, ptr %t164
+  store { ptr, i64, i64 } %t167, ptr %t164
+  store { ptr, i64, i64 } %t168, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
+  %t171 = load { ptr, i64, i64 }, ptr %t170
+  %t172 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 2
+  store { ptr, i64, i64 } %t171, ptr %a173
+  call void @finch_str_copy(ptr %a174, ptr %a173)
+  %t175 = load { ptr, i64, i64 }, ptr %a174
+  %t176 = load { ptr, i64, i64 }, ptr %t172
+  store { ptr, i64, i64 } %t175, ptr %t172
+  store { ptr, i64, i64 } %t176, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
   %t179 = load { ptr, i64, i64 }, ptr %t178
-  %t180 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t179)
-  store { ptr, i64, i64 } { ptr @.str.2318, i64 7, i64 0 }, ptr %a182
-  store { ptr, i64, i64 } %t180, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  store { ptr, i64, i64 } %t184, ptr %a186
-  store { ptr, i64, i64 } { ptr @.str.2319, i64 1, i64 0 }, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  %t189 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t190 = load { ptr, i64, i64 }, ptr %t189
-  %t191 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t190)
-  store { ptr, i64, i64 } %t188, ptr %a193
-  store { ptr, i64, i64 } %t191, ptr %a194
-  call void @finch_str_concat(ptr %a192, ptr %a193, ptr %a194)
-  %t195 = load { ptr, i64, i64 }, ptr %a192
-  store { ptr, i64, i64 } %t195, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.2320, i64 1, i64 0 }, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  %t200 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store { ptr, i64, i64 } %t199, ptr %a203
-  store { ptr, i64, i64 } %t201, ptr %a204
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.2406, i64 1, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a180
+  %t184 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t185 = load { ptr, i64, i64 }, ptr %t184
+  store { ptr, i64, i64 } %t183, ptr %a187
+  store { ptr, i64, i64 } %t185, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t183, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  %t190 = load { ptr, i64, i64 }, ptr %a186
+  %t191 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 8
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  store { ptr, i64, i64 } %t190, ptr %t191
+  store { ptr, i64, i64 } %t192, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t195 = load { ptr, i64, i64 }, ptr %t194
+  %t196 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t195)
+  store { ptr, i64, i64 } { ptr @.str.2407, i64 7, i64 0 }, ptr %a198
+  store { ptr, i64, i64 } %t196, ptr %a199
+  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
+  store { ptr, i64, i64 } %t196, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  %t201 = load { ptr, i64, i64 }, ptr %a197
+  store { ptr, i64, i64 } %t201, ptr %a203
+  store { ptr, i64, i64 } { ptr @.str.2408, i64 1, i64 0 }, ptr %a204
   call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 11
-  store { ptr, i64, i64 } %t205, ptr %t206
-  br label %endif3670
-endif3670:
-  %t207 = load ptr, ptr %a1
-  %t208 = icmp eq ptr %t207, null
-  br i1 %t208, label %panic3671, label %ok3672
-panic3671:
-  call void @finch_panic(ptr @.str.2321, i64 1505, ptr @.str.2322)
-  unreachable
-ok3672:
-  %t209 = getelementptr inbounds %S.gen.Gen, ptr %t207, i32 0, i32 17
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  store { ptr, i64, i64 } %t210, ptr %a211
-  call void @finch.copy.arr_str(ptr %a212, ptr %a211)
-  %t213 = load { ptr, i64, i64 }, ptr %a212
-  store { ptr, i64, i64 } %t213, ptr %a214
-  %t215 = load ptr, ptr %a1
-  %t216 = icmp eq ptr %t215, null
-  br i1 %t216, label %panic3673, label %ok3674
-panic3673:
-  call void @finch_panic(ptr @.str.2323, i64 1506, ptr @.str.2324)
-  unreachable
-ok3674:
-  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 18
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  store { ptr, i64, i64 } %t218, ptr %a219
-  call void @finch.copy.arr_S_ast_Type(ptr %a220, ptr %a219)
-  %t221 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t221, ptr %a222
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic3675, label %ok3676
-panic3675:
-  call void @finch_panic(ptr @.str.2325, i64 1507, ptr @.str.2326)
-  unreachable
-ok3676:
-  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 13
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  store { ptr, i64, i64 } %t226, ptr %a227
-  call void @finch_str_copy(ptr %a228, ptr %a227)
-  %t229 = load { ptr, i64, i64 }, ptr %a228
+  store { ptr, i64, i64 } %t201, ptr %a205
+  call void @finch_str_drop(ptr %a205)
+  %t206 = load { ptr, i64, i64 }, ptr %a202
+  %t207 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
+  %t208 = load { ptr, i64, i64 }, ptr %t207
+  %t209 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t208)
+  store { ptr, i64, i64 } %t206, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  store { ptr, i64, i64 } %t206, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  store { ptr, i64, i64 } %t209, ptr %a214
+  call void @finch_str_drop(ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } %t215, ptr %a217
+  store { ptr, i64, i64 } { ptr @.str.2409, i64 1, i64 0 }, ptr %a218
+  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
+  store { ptr, i64, i64 } %t215, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = load { ptr, i64, i64 }, ptr %a216
+  %t221 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t222 = load { ptr, i64, i64 }, ptr %t221
+  store { ptr, i64, i64 } %t220, ptr %a224
+  store { ptr, i64, i64 } %t222, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t220, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 11
+  %t229 = load { ptr, i64, i64 }, ptr %t228
+  store { ptr, i64, i64 } %t227, ptr %t228
   store { ptr, i64, i64 } %t229, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  br label %endif3888
+endif3888:
   %t231 = load ptr, ptr %a1
   %t232 = icmp eq ptr %t231, null
-  br i1 %t232, label %panic3677, label %ok3678
-panic3677:
-  call void @finch_panic(ptr @.str.2327, i64 1508, ptr @.str.2328)
+  br i1 %t232, label %panic3889, label %ok3890
+panic3889:
+  call void @finch_panic(ptr @.str.2410, i64 1653, ptr @.str.2411)
   unreachable
-ok3678:
-  %t233 = getelementptr inbounds %S.gen.Gen, ptr %t231, i32 0, i32 19
+ok3890:
+  %t233 = getelementptr inbounds %S.gen.Gen, ptr %t231, i32 0, i32 18
   %t234 = load { ptr, i64, i64 }, ptr %t233
   store { ptr, i64, i64 } %t234, ptr %a235
-  call void @finch_str_copy(ptr %a236, ptr %a235)
+  call void @finch.copy.arr_str(ptr %a236, ptr %a235)
   %t237 = load { ptr, i64, i64 }, ptr %a236
   store { ptr, i64, i64 } %t237, ptr %a238
-  %t239 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  %t241 = load ptr, ptr %a1
-  %t242 = icmp eq ptr %t241, null
-  br i1 %t242, label %panic3679, label %ok3680
-panic3679:
-  call void @finch_panic(ptr @.str.2329, i64 1509, ptr @.str.2330)
+  %t239 = load ptr, ptr %a1
+  %t240 = icmp eq ptr %t239, null
+  br i1 %t240, label %panic3891, label %ok3892
+panic3891:
+  call void @finch_panic(ptr @.str.2412, i64 1654, ptr @.str.2413)
   unreachable
-ok3680:
-  %t243 = getelementptr inbounds %S.gen.Gen, ptr %t241, i32 0, i32 17
-  store { ptr, i64, i64 } %t240, ptr %a244
-  call void @finch.copy.arr_str(ptr %a245, ptr %a244)
-  %t246 = load { ptr, i64, i64 }, ptr %a245
-  store { ptr, i64, i64 } %t246, ptr %t243
-  %t247 = load { ptr, i64, i64 }, ptr %a3
-  %t248 = load ptr, ptr %a1
-  %t249 = icmp eq ptr %t248, null
-  br i1 %t249, label %panic3681, label %ok3682
-panic3681:
-  call void @finch_panic(ptr @.str.2331, i64 1510, ptr @.str.2332)
+ok3892:
+  %t241 = getelementptr inbounds %S.gen.Gen, ptr %t239, i32 0, i32 19
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a243
+  call void @finch.copy.arr_S_ast_Type(ptr %a244, ptr %a243)
+  %t245 = load { ptr, i64, i64 }, ptr %a244
+  store { ptr, i64, i64 } %t245, ptr %a246
+  %t247 = load ptr, ptr %a1
+  %t248 = icmp eq ptr %t247, null
+  br i1 %t248, label %panic3893, label %ok3894
+panic3893:
+  call void @finch_panic(ptr @.str.2414, i64 1655, ptr @.str.2415)
   unreachable
-ok3682:
-  %t250 = getelementptr inbounds %S.gen.Gen, ptr %t248, i32 0, i32 18
-  store { ptr, i64, i64 } %t247, ptr %a251
-  call void @finch.copy.arr_S_ast_Type(ptr %a252, ptr %a251)
+ok3894:
+  %t249 = getelementptr inbounds %S.gen.Gen, ptr %t247, i32 0, i32 14
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  store { ptr, i64, i64 } %t250, ptr %a251
+  call void @finch_str_copy(ptr %a252, ptr %a251)
   %t253 = load { ptr, i64, i64 }, ptr %a252
-  store { ptr, i64, i64 } %t253, ptr %t250
-  %t254 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t255 = load { ptr, i64, i64 }, ptr %t254
-  %t256 = load ptr, ptr %a1
-  %t257 = icmp eq ptr %t256, null
-  br i1 %t257, label %panic3683, label %ok3684
-panic3683:
-  call void @finch_panic(ptr @.str.2333, i64 1511, ptr @.str.2334)
+  store { ptr, i64, i64 } %t253, ptr %a254
+  %t255 = load ptr, ptr %a1
+  %t256 = icmp eq ptr %t255, null
+  br i1 %t256, label %panic3895, label %ok3896
+panic3895:
+  call void @finch_panic(ptr @.str.2416, i64 1656, ptr @.str.2417)
   unreachable
-ok3684:
-  %t258 = getelementptr inbounds %S.gen.Gen, ptr %t256, i32 0, i32 13
-  store { ptr, i64, i64 } %t255, ptr %a259
+ok3896:
+  %t257 = getelementptr inbounds %S.gen.Gen, ptr %t255, i32 0, i32 20
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
   call void @finch_str_copy(ptr %a260, ptr %a259)
   %t261 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t261, ptr %t258
-  %t262 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 8
-  %t263 = load { ptr, i64, i64 }, ptr %t262
-  store { ptr, i64, i64 } { ptr @.str.2335, i64 17, i64 0 }, ptr %a265
-  store { ptr, i64, i64 } %t263, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
-  store { ptr, i64, i64 } %t267, ptr %a269
-  store { ptr, i64, i64 } { ptr @.str.2336, i64 1, i64 0 }, ptr %a270
-  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
-  %t271 = load { ptr, i64, i64 }, ptr %a268
-  %t272 = load ptr, ptr %a1
-  %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic3685, label %ok3686
-panic3685:
-  call void @finch_panic(ptr @.str.2337, i64 1512, ptr @.str.2338)
+  store { ptr, i64, i64 } %t261, ptr %a262
+  %t263 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  %t265 = load ptr, ptr %a1
+  %t266 = icmp eq ptr %t265, null
+  br i1 %t266, label %panic3897, label %ok3898
+panic3897:
+  call void @finch_panic(ptr @.str.2418, i64 1657, ptr @.str.2419)
   unreachable
-ok3686:
-  %t274 = getelementptr inbounds %S.gen.Gen, ptr %t272, i32 0, i32 19
-  store { ptr, i64, i64 } %t271, ptr %t274
-  %t275 = load ptr, ptr %a1
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 5
-  %t277 = load %S.ast.Type, ptr %t276
-  %t278 = load %S.ast.Node, ptr %a84
-  %t279 = call %S.ast.Type @finch.gen.resolve(ptr %t275, %S.ast.Type %t277, %S.ast.Node %t278)
-  %t280 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 12
-  store %S.ast.Type %t279, ptr %t280
-  %t281 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t282 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
-  %t284 = load i64, ptr %t283
-  %t285 = sub i64 %t284, 1
-  %t286 = load { ptr, i64, i64 }, ptr %t281
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 %t285, %t287
-  br i1 %t288, label %range3687, label %inrange3688
-range3687:
-  call void @finch_panic_index(ptr @.str.2339, i64 1514, i64 %t285, i64 %t287)
+ok3898:
+  %t267 = getelementptr inbounds %S.gen.Gen, ptr %t265, i32 0, i32 18
+  store { ptr, i64, i64 } %t264, ptr %a268
+  call void @finch.copy.arr_str(ptr %a269, ptr %a268)
+  %t270 = load { ptr, i64, i64 }, ptr %a269
+  %t271 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t270, ptr %t267
+  store { ptr, i64, i64 } %t271, ptr %a272
+  call void @finch.drop.arr_str(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a3
+  %t274 = load ptr, ptr %a1
+  %t275 = icmp eq ptr %t274, null
+  br i1 %t275, label %panic3899, label %ok3900
+panic3899:
+  call void @finch_panic(ptr @.str.2420, i64 1658, ptr @.str.2421)
   unreachable
-inrange3688:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds %S.ast.Node, ptr %t289, i64 %t285
-  %t291 = load %S.ast.Node, ptr %t290
-  store %S.ast.Node %t291, ptr %a292
-  call void @finch.copy.S_ast_Node(ptr %a293, ptr %a292)
-  %t294 = load %S.ast.Node, ptr %a293
-  store %S.ast.Node %t294, ptr %a295
-  %t296 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t296, i32 0, i32 1
-  %t298 = load i64, ptr %t297
-  %t299 = sub i64 %t298, 1
-  store i64 0, ptr %a300
-  br label %for.cond3689
-for.cond3689:
-  %t301 = load i64, ptr %a300
-  %t302 = icmp slt i64 %t301, %t299
-  br i1 %t302, label %for.body3690, label %for.end3692
-for.body3690:
+ok3900:
+  %t276 = getelementptr inbounds %S.gen.Gen, ptr %t274, i32 0, i32 19
+  store { ptr, i64, i64 } %t273, ptr %a277
+  call void @finch.copy.arr_S_ast_Type(ptr %a278, ptr %a277)
+  %t279 = load { ptr, i64, i64 }, ptr %a278
+  %t280 = load { ptr, i64, i64 }, ptr %t276
+  store { ptr, i64, i64 } %t279, ptr %t276
+  store { ptr, i64, i64 } %t280, ptr %a281
+  call void @finch.drop.arr_S_ast_Type(ptr %a281)
+  %t282 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t283 = load { ptr, i64, i64 }, ptr %t282
+  %t284 = load ptr, ptr %a1
+  %t285 = icmp eq ptr %t284, null
+  br i1 %t285, label %panic3901, label %ok3902
+panic3901:
+  call void @finch_panic(ptr @.str.2422, i64 1659, ptr @.str.2423)
+  unreachable
+ok3902:
+  %t286 = getelementptr inbounds %S.gen.Gen, ptr %t284, i32 0, i32 14
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_copy(ptr %a288, ptr %a287)
+  %t289 = load { ptr, i64, i64 }, ptr %a288
+  %t290 = load { ptr, i64, i64 }, ptr %t286
+  store { ptr, i64, i64 } %t289, ptr %t286
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  %t292 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 8
+  %t293 = load { ptr, i64, i64 }, ptr %t292
+  store { ptr, i64, i64 } { ptr @.str.2424, i64 17, i64 0 }, ptr %a295
+  store { ptr, i64, i64 } %t293, ptr %a296
+  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a294
+  store { ptr, i64, i64 } %t297, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.2425, i64 1, i64 0 }, ptr %a300
+  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
+  store { ptr, i64, i64 } %t297, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a298
   %t303 = load ptr, ptr %a1
-  %t304 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t305 = load i64, ptr %a300
-  %t306 = load { ptr, i64, i64 }, ptr %t304
-  %t307 = extractvalue { ptr, i64, i64 } %t306, 1
-  %t308 = icmp uge i64 %t305, %t307
-  br i1 %t308, label %range3693, label %inrange3694
-range3693:
-  call void @finch_panic_index(ptr @.str.2340, i64 1516, i64 %t305, i64 %t307)
+  %t304 = icmp eq ptr %t303, null
+  br i1 %t304, label %panic3903, label %ok3904
+panic3903:
+  call void @finch_panic(ptr @.str.2426, i64 1660, ptr @.str.2427)
   unreachable
-inrange3694:
-  %t309 = extractvalue { ptr, i64, i64 } %t306, 0
-  %t310 = getelementptr inbounds %S.ast.Node, ptr %t309, i64 %t305
-  %t311 = getelementptr inbounds %S.ast.Node, ptr %t310, i32 0, i32 5
-  %t312 = load %S.ast.Type, ptr %t311
-  %t313 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t314 = load i64, ptr %a300
-  %t315 = load { ptr, i64, i64 }, ptr %t313
-  %t316 = extractvalue { ptr, i64, i64 } %t315, 1
-  %t317 = icmp uge i64 %t314, %t316
-  br i1 %t317, label %range3695, label %inrange3696
-range3695:
-  call void @finch_panic_index(ptr @.str.2341, i64 1516, i64 %t314, i64 %t316)
+ok3904:
+  %t305 = getelementptr inbounds %S.gen.Gen, ptr %t303, i32 0, i32 20
+  %t306 = load { ptr, i64, i64 }, ptr %t305
+  store { ptr, i64, i64 } %t302, ptr %t305
+  store { ptr, i64, i64 } %t306, ptr %a307
+  call void @finch_str_drop(ptr %a307)
+  %t308 = load ptr, ptr %a1
+  %t309 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 5
+  %t310 = load %S.ast.Type, ptr %t309
+  %t311 = load %S.ast.Node, ptr %a87
+  %t312 = call %S.ast.Type @finch.gen.resolve(ptr %t308, %S.ast.Type %t310, %S.ast.Node %t311)
+  %t313 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 12
+  %t314 = load %S.ast.Type, ptr %t313
+  store %S.ast.Type %t312, ptr %t313
+  store %S.ast.Type %t314, ptr %a315
+  call void @finch.drop.S_ast_Type(ptr %a315)
+  %t316 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t317 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t317, i32 0, i32 1
+  %t319 = load i64, ptr %t318
+  %t320 = sub i64 %t319, 1
+  %t321 = load { ptr, i64, i64 }, ptr %t316
+  %t322 = extractvalue { ptr, i64, i64 } %t321, 1
+  %t323 = icmp uge i64 %t320, %t322
+  br i1 %t323, label %range3905, label %inrange3906
+range3905:
+  call void @finch_panic_index(ptr @.str.2428, i64 1662, i64 %t320, i64 %t322)
   unreachable
-inrange3696:
-  %t318 = extractvalue { ptr, i64, i64 } %t315, 0
-  %t319 = getelementptr inbounds %S.ast.Node, ptr %t318, i64 %t314
-  %t320 = load %S.ast.Node, ptr %t319
-  %t321 = call %S.ast.Type @finch.gen.resolve(ptr %t303, %S.ast.Type %t312, %S.ast.Node %t320)
-  store %S.ast.Type %t321, ptr %a322
-  %t323 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 13
-  %t324 = getelementptr inbounds { ptr, i64, i64 }, ptr %t323, i32 0, i32 1
-  %t325 = load %S.ast.Type, ptr %a322
-  store %S.ast.Type %t325, ptr %a326
-  call void @finch.copy.S_ast_Type(ptr %a327, ptr %a326)
-  %t328 = load %S.ast.Type, ptr %a327
-  %t329 = load i64, ptr %t324
-  %t330 = add i64 %t329, 1
-  call void @finch_arr_reserve(ptr %t323, i64 %t330, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t331 = load ptr, ptr %t323
-  %t332 = getelementptr inbounds %S.ast.Type, ptr %t331, i64 %t329
-  store %S.ast.Type %t328, ptr %t332
-  store i64 %t330, ptr %t324
-  %t333 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 14
-  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i32 0, i32 1
-  %t335 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t336 = load i64, ptr %a300
-  %t337 = load { ptr, i64, i64 }, ptr %t335
-  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
-  %t339 = icmp uge i64 %t336, %t338
-  br i1 %t339, label %range3697, label %inrange3698
-range3697:
-  call void @finch_panic_index(ptr @.str.2342, i64 1518, i64 %t336, i64 %t338)
+inrange3906:
+  %t324 = extractvalue { ptr, i64, i64 } %t321, 0
+  %t325 = getelementptr inbounds %S.ast.Node, ptr %t324, i64 %t320
+  %t326 = load %S.ast.Node, ptr %t325
+  store %S.ast.Node %t326, ptr %a327
+  call void @finch.copy.S_ast_Node(ptr %a328, ptr %a327)
+  %t329 = load %S.ast.Node, ptr %a328
+  store %S.ast.Node %t329, ptr %a330
+  %t331 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i32 0, i32 1
+  %t333 = load i64, ptr %t332
+  %t334 = sub i64 %t333, 1
+  store i64 0, ptr %a335
+  br label %for.cond3907
+for.cond3907:
+  %t336 = load i64, ptr %a335
+  %t337 = icmp slt i64 %t336, %t334
+  br i1 %t337, label %for.body3908, label %for.end3910
+for.body3908:
+  %t338 = load ptr, ptr %a1
+  %t339 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t340 = load i64, ptr %a335
+  %t341 = load { ptr, i64, i64 }, ptr %t339
+  %t342 = extractvalue { ptr, i64, i64 } %t341, 1
+  %t343 = icmp uge i64 %t340, %t342
+  br i1 %t343, label %range3911, label %inrange3912
+range3911:
+  call void @finch_panic_index(ptr @.str.2429, i64 1664, i64 %t340, i64 %t342)
   unreachable
-inrange3698:
-  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
-  %t341 = getelementptr inbounds %S.ast.Node, ptr %t340, i64 %t336
-  %t342 = getelementptr inbounds %S.ast.Node, ptr %t341, i32 0, i32 1
-  %t343 = load { ptr, i64, i64 }, ptr %t342
-  store { ptr, i64, i64 } %t343, ptr %a344
-  call void @finch_str_copy(ptr %a345, ptr %a344)
-  %t346 = load { ptr, i64, i64 }, ptr %a345
-  %t347 = load i64, ptr %t334
-  %t348 = add i64 %t347, 1
-  call void @finch_arr_reserve(ptr %t333, i64 %t348, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t349 = load ptr, ptr %t333
-  %t350 = getelementptr inbounds { ptr, i64, i64 }, ptr %t349, i64 %t347
-  store { ptr, i64, i64 } %t346, ptr %t350
-  store i64 %t348, ptr %t334
-  %t351 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 15
-  %t352 = getelementptr inbounds { ptr, i64, i64 }, ptr %t351, i32 0, i32 1
-  %t353 = load ptr, ptr %a1
-  %t354 = load %S.ast.Type, ptr %a322
-  %t355 = call i1 @finch.gen.owning(ptr %t353, %S.ast.Type %t354)
-  br label %logic.from3699
-logic.from3699:
-  br i1 %t355, label %logic.rhs3700, label %logic.end3701
-logic.rhs3700:
-  %t356 = load ptr, ptr %a1
-  %t357 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t358 = load i64, ptr %a300
-  %t359 = load { ptr, i64, i64 }, ptr %t357
-  %t360 = extractvalue { ptr, i64, i64 } %t359, 1
-  %t361 = icmp uge i64 %t358, %t360
-  br i1 %t361, label %range3702, label %inrange3703
-range3702:
-  call void @finch_panic_index(ptr @.str.2343, i64 1519, i64 %t358, i64 %t360)
+inrange3912:
+  %t344 = extractvalue { ptr, i64, i64 } %t341, 0
+  %t345 = getelementptr inbounds %S.ast.Node, ptr %t344, i64 %t340
+  %t346 = getelementptr inbounds %S.ast.Node, ptr %t345, i32 0, i32 5
+  %t347 = load %S.ast.Type, ptr %t346
+  %t348 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t349 = load i64, ptr %a335
+  %t350 = load { ptr, i64, i64 }, ptr %t348
+  %t351 = extractvalue { ptr, i64, i64 } %t350, 1
+  %t352 = icmp uge i64 %t349, %t351
+  br i1 %t352, label %range3913, label %inrange3914
+range3913:
+  call void @finch_panic_index(ptr @.str.2430, i64 1664, i64 %t349, i64 %t351)
   unreachable
-inrange3703:
-  %t362 = extractvalue { ptr, i64, i64 } %t359, 0
-  %t363 = getelementptr inbounds %S.ast.Node, ptr %t362, i64 %t358
-  %t364 = getelementptr inbounds %S.ast.Node, ptr %t363, i32 0, i32 1
-  %t365 = load { ptr, i64, i64 }, ptr %t364
-  %t366 = load %S.ast.Node, ptr %a295
-  %t367 = call i1 @finch.gen.mutates(ptr %t356, { ptr, i64, i64 } %t365, %S.ast.Node %t366)
-  %t368 = xor i1 %t367, true
-  br label %logic.rend3704
-logic.rend3704:
-  br label %logic.end3701
-logic.end3701:
-  %t369 = phi i1 [ false, %logic.from3699 ], [ %t368, %logic.rend3704 ]
-  %t370 = load i64, ptr %t352
-  %t371 = add i64 %t370, 1
-  call void @finch_arr_reserve(ptr %t351, i64 %t371, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
-  %t372 = load ptr, ptr %t351
-  %t373 = getelementptr inbounds i1, ptr %t372, i64 %t370
-  store i1 %t369, ptr %t373
-  store i64 %t371, ptr %t352
-  br label %for.step3691
-for.step3691:
-  %t374 = load i64, ptr %a300
-  %t375 = add i64 %t374, 1
-  store i64 %t375, ptr %a300
-  br label %for.cond3689
-for.end3692:
-  %t376 = load { ptr, i64, i64 }, ptr %a214
-  %t377 = load ptr, ptr %a1
-  %t378 = icmp eq ptr %t377, null
-  br i1 %t378, label %panic3705, label %ok3706
-panic3705:
-  call void @finch_panic(ptr @.str.2344, i64 1521, ptr @.str.2345)
+inrange3914:
+  %t353 = extractvalue { ptr, i64, i64 } %t350, 0
+  %t354 = getelementptr inbounds %S.ast.Node, ptr %t353, i64 %t349
+  %t355 = load %S.ast.Node, ptr %t354
+  %t356 = call %S.ast.Type @finch.gen.resolve(ptr %t338, %S.ast.Type %t347, %S.ast.Node %t355)
+  store %S.ast.Type %t356, ptr %a357
+  %t358 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 13
+  %t359 = getelementptr inbounds { ptr, i64, i64 }, ptr %t358, i32 0, i32 1
+  %t360 = load %S.ast.Type, ptr %a357
+  store %S.ast.Type %t360, ptr %a361
+  call void @finch.copy.S_ast_Type(ptr %a362, ptr %a361)
+  %t363 = load %S.ast.Type, ptr %a362
+  %t364 = load i64, ptr %t359
+  %t365 = add i64 %t364, 1
+  call void @finch_arr_reserve(ptr %t358, i64 %t365, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t366 = load ptr, ptr %t358
+  %t367 = getelementptr inbounds %S.ast.Type, ptr %t366, i64 %t364
+  store %S.ast.Type %t363, ptr %t367
+  store i64 %t365, ptr %t359
+  %t368 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 14
+  %t369 = getelementptr inbounds { ptr, i64, i64 }, ptr %t368, i32 0, i32 1
+  %t370 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t371 = load i64, ptr %a335
+  %t372 = load { ptr, i64, i64 }, ptr %t370
+  %t373 = extractvalue { ptr, i64, i64 } %t372, 1
+  %t374 = icmp uge i64 %t371, %t373
+  br i1 %t374, label %range3915, label %inrange3916
+range3915:
+  call void @finch_panic_index(ptr @.str.2431, i64 1666, i64 %t371, i64 %t373)
   unreachable
-ok3706:
-  %t379 = getelementptr inbounds %S.gen.Gen, ptr %t377, i32 0, i32 17
-  store { ptr, i64, i64 } %t376, ptr %a380
-  call void @finch.copy.arr_str(ptr %a381, ptr %a380)
-  %t382 = load { ptr, i64, i64 }, ptr %a381
-  store { ptr, i64, i64 } %t382, ptr %t379
-  %t383 = load { ptr, i64, i64 }, ptr %a222
-  %t384 = load ptr, ptr %a1
-  %t385 = icmp eq ptr %t384, null
-  br i1 %t385, label %panic3707, label %ok3708
-panic3707:
-  call void @finch_panic(ptr @.str.2346, i64 1522, ptr @.str.2347)
-  unreachable
-ok3708:
-  %t386 = getelementptr inbounds %S.gen.Gen, ptr %t384, i32 0, i32 18
-  store { ptr, i64, i64 } %t383, ptr %a387
-  call void @finch.copy.arr_S_ast_Type(ptr %a388, ptr %a387)
-  %t389 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t389, ptr %t386
-  %t390 = load { ptr, i64, i64 }, ptr %a230
+inrange3916:
+  %t375 = extractvalue { ptr, i64, i64 } %t372, 0
+  %t376 = getelementptr inbounds %S.ast.Node, ptr %t375, i64 %t371
+  %t377 = getelementptr inbounds %S.ast.Node, ptr %t376, i32 0, i32 1
+  %t378 = load { ptr, i64, i64 }, ptr %t377
+  store { ptr, i64, i64 } %t378, ptr %a379
+  call void @finch_str_copy(ptr %a380, ptr %a379)
+  %t381 = load { ptr, i64, i64 }, ptr %a380
+  %t382 = load i64, ptr %t369
+  %t383 = add i64 %t382, 1
+  call void @finch_arr_reserve(ptr %t368, i64 %t383, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t384 = load ptr, ptr %t368
+  %t385 = getelementptr inbounds { ptr, i64, i64 }, ptr %t384, i64 %t382
+  store { ptr, i64, i64 } %t381, ptr %t385
+  store i64 %t383, ptr %t369
+  %t386 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 15
+  %t387 = getelementptr inbounds { ptr, i64, i64 }, ptr %t386, i32 0, i32 1
+  %t388 = load ptr, ptr %a1
+  %t389 = load %S.ast.Type, ptr %a357
+  %t390 = call i1 @finch.gen.owning(ptr %t388, %S.ast.Type %t389)
+  br label %logic.from3917
+logic.from3917:
+  br i1 %t390, label %logic.rhs3918, label %logic.end3919
+logic.rhs3918:
   %t391 = load ptr, ptr %a1
-  %t392 = icmp eq ptr %t391, null
-  br i1 %t392, label %panic3709, label %ok3710
-panic3709:
-  call void @finch_panic(ptr @.str.2348, i64 1523, ptr @.str.2349)
+  %t392 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t393 = load i64, ptr %a335
+  %t394 = load { ptr, i64, i64 }, ptr %t392
+  %t395 = extractvalue { ptr, i64, i64 } %t394, 1
+  %t396 = icmp uge i64 %t393, %t395
+  br i1 %t396, label %range3920, label %inrange3921
+range3920:
+  call void @finch_panic_index(ptr @.str.2432, i64 1667, i64 %t393, i64 %t395)
   unreachable
-ok3710:
-  %t393 = getelementptr inbounds %S.gen.Gen, ptr %t391, i32 0, i32 13
-  store { ptr, i64, i64 } %t390, ptr %a394
-  call void @finch_str_copy(ptr %a395, ptr %a394)
-  %t396 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t396, ptr %t393
-  %t397 = load { ptr, i64, i64 }, ptr %a238
-  %t398 = load ptr, ptr %a1
-  %t399 = icmp eq ptr %t398, null
-  br i1 %t399, label %panic3711, label %ok3712
-panic3711:
-  call void @finch_panic(ptr @.str.2350, i64 1524, ptr @.str.2351)
+inrange3921:
+  %t397 = extractvalue { ptr, i64, i64 } %t394, 0
+  %t398 = getelementptr inbounds %S.ast.Node, ptr %t397, i64 %t393
+  %t399 = getelementptr inbounds %S.ast.Node, ptr %t398, i32 0, i32 1
+  %t400 = load { ptr, i64, i64 }, ptr %t399
+  %t401 = load %S.ast.Node, ptr %a330
+  %t402 = call i1 @finch.gen.mutates(ptr %t391, { ptr, i64, i64 } %t400, %S.ast.Node %t401)
+  %t403 = xor i1 %t402, true
+  br label %logic.rend3922
+logic.rend3922:
+  br label %logic.end3919
+logic.end3919:
+  %t404 = phi i1 [ false, %logic.from3917 ], [ %t403, %logic.rend3922 ]
+  %t405 = load i64, ptr %t387
+  %t406 = add i64 %t405, 1
+  call void @finch_arr_reserve(ptr %t386, i64 %t406, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
+  %t407 = load ptr, ptr %t386
+  %t408 = getelementptr inbounds i1, ptr %t407, i64 %t405
+  store i1 %t404, ptr %t408
+  store i64 %t406, ptr %t387
+  call void @finch.drop.S_ast_Type(ptr %a357)
+  br label %for.step3909
+for.step3909:
+  %t409 = load i64, ptr %a335
+  %t410 = add i64 %t409, 1
+  store i64 %t410, ptr %a335
+  br label %for.cond3907
+for.end3910:
+  %t411 = load { ptr, i64, i64 }, ptr %a238
+  %t412 = load ptr, ptr %a1
+  %t413 = icmp eq ptr %t412, null
+  br i1 %t413, label %panic3923, label %ok3924
+panic3923:
+  call void @finch_panic(ptr @.str.2433, i64 1669, ptr @.str.2434)
   unreachable
-ok3712:
-  %t400 = getelementptr inbounds %S.gen.Gen, ptr %t398, i32 0, i32 19
-  store { ptr, i64, i64 } %t397, ptr %a401
-  call void @finch_str_copy(ptr %a402, ptr %a401)
-  %t403 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t403, ptr %t400
-  %t404 = load ptr, ptr %a1
-  %t405 = icmp eq ptr %t404, null
-  br i1 %t405, label %panic3713, label %ok3714
-panic3713:
-  call void @finch_panic(ptr @.str.2352, i64 1525, ptr @.str.2353)
+ok3924:
+  %t414 = getelementptr inbounds %S.gen.Gen, ptr %t412, i32 0, i32 18
+  store { ptr, i64, i64 } %t411, ptr %a415
+  call void @finch.copy.arr_str(ptr %a416, ptr %a415)
+  %t417 = load { ptr, i64, i64 }, ptr %a416
+  %t418 = load { ptr, i64, i64 }, ptr %t414
+  store { ptr, i64, i64 } %t417, ptr %t414
+  store { ptr, i64, i64 } %t418, ptr %a419
+  call void @finch.drop.arr_str(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a246
+  %t421 = load ptr, ptr %a1
+  %t422 = icmp eq ptr %t421, null
+  br i1 %t422, label %panic3925, label %ok3926
+panic3925:
+  call void @finch_panic(ptr @.str.2435, i64 1670, ptr @.str.2436)
   unreachable
-ok3714:
-  %t406 = getelementptr inbounds %S.gen.Gen, ptr %t404, i32 0, i32 14
-  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i32 0, i32 1
-  %t408 = load %S.gen.FnSig, ptr %a130
-  store %S.gen.FnSig %t408, ptr %a409
-  call void @finch.copy.S_gen_FnSig(ptr %a410, ptr %a409)
-  %t411 = load %S.gen.FnSig, ptr %a410
-  %t412 = load i64, ptr %t407
-  %t413 = add i64 %t412, 1
-  call void @finch_arr_reserve(ptr %t406, i64 %t413, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
-  %t414 = load ptr, ptr %t406
-  %t415 = getelementptr inbounds %S.gen.FnSig, ptr %t414, i64 %t412
-  store %S.gen.FnSig %t411, ptr %t415
-  store i64 %t413, ptr %t407
-  %t416 = load ptr, ptr %a1
-  %t417 = icmp eq ptr %t416, null
-  br i1 %t417, label %panic3715, label %ok3716
-panic3715:
-  call void @finch_panic(ptr @.str.2354, i64 1526, ptr @.str.2355)
+ok3926:
+  %t423 = getelementptr inbounds %S.gen.Gen, ptr %t421, i32 0, i32 19
+  store { ptr, i64, i64 } %t420, ptr %a424
+  call void @finch.copy.arr_S_ast_Type(ptr %a425, ptr %a424)
+  %t426 = load { ptr, i64, i64 }, ptr %a425
+  %t427 = load { ptr, i64, i64 }, ptr %t423
+  store { ptr, i64, i64 } %t426, ptr %t423
+  store { ptr, i64, i64 } %t427, ptr %a428
+  call void @finch.drop.arr_S_ast_Type(ptr %a428)
+  %t429 = load { ptr, i64, i64 }, ptr %a254
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic3927, label %ok3928
+panic3927:
+  call void @finch_panic(ptr @.str.2437, i64 1671, ptr @.str.2438)
   unreachable
-ok3716:
-  %t418 = getelementptr inbounds %S.gen.Gen, ptr %t416, i32 0, i32 14
-  %t419 = getelementptr inbounds { ptr, i64, i64 }, ptr %t418, i32 0, i32 1
-  %t420 = load i64, ptr %t419
-  %t421 = sub i64 %t420, 1
-  ret i64 %t421
+ok3928:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 14
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch_str_copy(ptr %a434, ptr %a433)
+  %t435 = load { ptr, i64, i64 }, ptr %a434
+  %t436 = load { ptr, i64, i64 }, ptr %t432
+  store { ptr, i64, i64 } %t435, ptr %t432
+  store { ptr, i64, i64 } %t436, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a262
+  %t439 = load ptr, ptr %a1
+  %t440 = icmp eq ptr %t439, null
+  br i1 %t440, label %panic3929, label %ok3930
+panic3929:
+  call void @finch_panic(ptr @.str.2439, i64 1672, ptr @.str.2440)
+  unreachable
+ok3930:
+  %t441 = getelementptr inbounds %S.gen.Gen, ptr %t439, i32 0, i32 20
+  store { ptr, i64, i64 } %t438, ptr %a442
+  call void @finch_str_copy(ptr %a443, ptr %a442)
+  %t444 = load { ptr, i64, i64 }, ptr %a443
+  %t445 = load { ptr, i64, i64 }, ptr %t441
+  store { ptr, i64, i64 } %t444, ptr %t441
+  store { ptr, i64, i64 } %t445, ptr %a446
+  call void @finch_str_drop(ptr %a446)
+  %t447 = load ptr, ptr %a1
+  %t448 = icmp eq ptr %t447, null
+  br i1 %t448, label %panic3931, label %ok3932
+panic3931:
+  call void @finch_panic(ptr @.str.2441, i64 1673, ptr @.str.2442)
+  unreachable
+ok3932:
+  %t449 = getelementptr inbounds %S.gen.Gen, ptr %t447, i32 0, i32 15
+  %t450 = getelementptr inbounds { ptr, i64, i64 }, ptr %t449, i32 0, i32 1
+  %t451 = load %S.gen.FnSig, ptr %a133
+  store %S.gen.FnSig %t451, ptr %a452
+  call void @finch.copy.S_gen_FnSig(ptr %a453, ptr %a452)
+  %t454 = load %S.gen.FnSig, ptr %a453
+  %t455 = load i64, ptr %t450
+  %t456 = add i64 %t455, 1
+  call void @finch_arr_reserve(ptr %t449, i64 %t456, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
+  %t457 = load ptr, ptr %t449
+  %t458 = getelementptr inbounds %S.gen.FnSig, ptr %t457, i64 %t455
+  store %S.gen.FnSig %t454, ptr %t458
+  store i64 %t456, ptr %t450
+  %t459 = load ptr, ptr %a1
+  %t460 = icmp eq ptr %t459, null
+  br i1 %t460, label %panic3933, label %ok3934
+panic3933:
+  call void @finch_panic(ptr @.str.2443, i64 1674, ptr @.str.2444)
+  unreachable
+ok3934:
+  %t461 = getelementptr inbounds %S.gen.Gen, ptr %t459, i32 0, i32 15
+  %t462 = getelementptr inbounds { ptr, i64, i64 }, ptr %t461, i32 0, i32 1
+  %t463 = load i64, ptr %t462
+  %t464 = sub i64 %t463, 1
+  call void @finch.drop.S_ast_Node(ptr %a330)
+  call void @finch_str_drop(ptr %a262)
+  call void @finch_str_drop(ptr %a254)
+  call void @finch.drop.arr_S_ast_Type(ptr %a246)
+  call void @finch.drop.arr_str(ptr %a238)
+  call void @finch.drop.S_gen_FnSig(ptr %a133)
+  call void @finch.drop.S_ast_Node(ptr %a87)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret i64 %t464
 }
 
 define internal void @finch.gen.bindType(ptr %p0, %S.ast.Type %p1, %S.ast.Type %p2, { ptr, i64, i64 } %p3, ptr %p4) {
@@ -35339,28 +41243,29 @@ entry:
   %a58 = alloca i64, align 16
   %a80 = alloca %S.ast.Type, align 16
   %a81 = alloca %S.ast.Type, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca %S.gen.StructDef, align 16
-  %a229 = alloca %S.gen.StructDef, align 16
+  %a84 = alloca %S.ast.Type, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca %S.gen.StructDef, align 16
   %a231 = alloca %S.gen.StructDef, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca i64, align 16
+  %a233 = alloca %S.gen.StructDef, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca i64, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -35369,39 +41274,39 @@ entry:
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.2356, i64 5, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.2445, i64 5, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br label %logic.from3717
-logic.from3717:
-  br i1 %t11, label %logic.rhs3718, label %logic.end3719
-logic.rhs3718:
+  br label %logic.from3935
+logic.from3935:
+  br i1 %t11, label %logic.rhs3936, label %logic.end3937
+logic.rhs3936:
   %t12 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp eq i64 %t14, 0
-  br label %logic.rend3720
-logic.rend3720:
-  br label %logic.end3719
-logic.end3719:
-  %t16 = phi i1 [ false, %logic.from3717 ], [ %t15, %logic.rend3720 ]
-  br label %logic.from3721
-logic.from3721:
-  br i1 %t16, label %logic.rhs3722, label %logic.end3723
-logic.rhs3722:
+  br label %logic.rend3938
+logic.rend3938:
+  br label %logic.end3937
+logic.end3937:
+  %t16 = phi i1 [ false, %logic.from3935 ], [ %t15, %logic.rend3938 ]
+  br label %logic.from3939
+logic.from3939:
+  br i1 %t16, label %logic.rhs3940, label %logic.end3941
+logic.rhs3940:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp eq i64 %t19, 0
-  br label %logic.rend3724
-logic.rend3724:
-  br label %logic.end3723
-logic.end3723:
-  %t21 = phi i1 [ false, %logic.from3721 ], [ %t20, %logic.rend3724 ]
-  br label %logic.from3725
-logic.from3725:
-  br i1 %t21, label %logic.rhs3726, label %logic.end3727
-logic.rhs3726:
+  br label %logic.rend3942
+logic.rend3942:
+  br label %logic.end3941
+logic.end3941:
+  %t21 = phi i1 [ false, %logic.from3939 ], [ %t20, %logic.rend3942 ]
+  br label %logic.from3943
+logic.from3943:
+  br i1 %t21, label %logic.rhs3944, label %logic.end3945
+logic.rhs3944:
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
   %t23 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t24 = load { ptr, i64, i64 }, ptr %t23
@@ -35409,36 +41314,36 @@ logic.rhs3726:
   %t26 = load i64, ptr %t22
   %t27 = load ptr, ptr %a4
   store i64 0, ptr %a28
-  br label %find.cond3728
-find.cond3728:
+  br label %find.cond3946
+find.cond3946:
   %t29 = load i64, ptr %a28
   %t30 = icmp slt i64 %t29, %t26
-  br i1 %t30, label %find.body3729, label %find.end3732
-find.body3729:
+  br i1 %t30, label %find.body3947, label %find.end3950
+find.body3947:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i64 %t29
   %t32 = load { ptr, i64, i64 }, ptr %t31
   store { ptr, i64, i64 } %t32, ptr %a33
   store { ptr, i64, i64 } %t24, ptr %a34
   %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
   %t36 = icmp ne i32 %t35, 0
-  br i1 %t36, label %find.hit3730, label %find.next3731
-find.hit3730:
+  br i1 %t36, label %find.hit3948, label %find.next3949
+find.hit3948:
   store i64 %t29, ptr %a25
-  br label %find.end3732
-find.next3731:
+  br label %find.end3950
+find.next3949:
   %t37 = add i64 %t29, 1
   store i64 %t37, ptr %a28
-  br label %find.cond3728
-find.end3732:
+  br label %find.cond3946
+find.end3950:
   %t38 = load i64, ptr %a25
   %t39 = icmp sge i64 %t38, 0
-  br label %logic.rend3733
-logic.rend3733:
-  br label %logic.end3727
-logic.end3727:
-  %t40 = phi i1 [ false, %logic.from3725 ], [ %t39, %logic.rend3733 ]
-  br i1 %t40, label %then3734, label %endif3736
-then3734:
+  br label %logic.rend3951
+logic.rend3951:
+  br label %logic.end3945
+logic.end3945:
+  %t40 = phi i1 [ false, %logic.from3943 ], [ %t39, %logic.rend3951 ]
+  br i1 %t40, label %then3952, label %endif3954
+then3952:
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
   %t42 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t43 = load { ptr, i64, i64 }, ptr %t42
@@ -35446,434 +41351,472 @@ then3734:
   %t45 = load i64, ptr %t41
   %t46 = load ptr, ptr %a4
   store i64 0, ptr %a47
-  br label %find.cond3737
-find.cond3737:
+  br label %find.cond3955
+find.cond3955:
   %t48 = load i64, ptr %a47
   %t49 = icmp slt i64 %t48, %t45
-  br i1 %t49, label %find.body3738, label %find.end3741
-find.body3738:
+  br i1 %t49, label %find.body3956, label %find.end3959
+find.body3956:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t48
   %t51 = load { ptr, i64, i64 }, ptr %t50
   store { ptr, i64, i64 } %t51, ptr %a52
   store { ptr, i64, i64 } %t43, ptr %a53
   %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
   %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %find.hit3739, label %find.next3740
-find.hit3739:
+  br i1 %t55, label %find.hit3957, label %find.next3958
+find.hit3957:
   store i64 %t48, ptr %a44
-  br label %find.end3741
-find.next3740:
+  br label %find.end3959
+find.next3958:
   %t56 = add i64 %t48, 1
   store i64 %t56, ptr %a47
-  br label %find.cond3737
-find.end3741:
+  br label %find.cond3955
+find.end3959:
   %t57 = load i64, ptr %a44
   store i64 %t57, ptr %a58
   %t59 = load ptr, ptr %a5
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic3742, label %ok3743
-panic3742:
-  call void @finch_panic(ptr @.str.2357, i64 1533, ptr @.str.2358)
+  br i1 %t60, label %panic3960, label %ok3961
+panic3960:
+  call void @finch_panic(ptr @.str.2446, i64 1681, ptr @.str.2447)
   unreachable
-ok3743:
+ok3961:
   %t61 = getelementptr inbounds %S.gen.Binds, ptr %t59, i32 0, i32 1
   %t62 = load i64, ptr %a58
   %t63 = load { ptr, i64, i64 }, ptr %t61
   %t64 = extractvalue { ptr, i64, i64 } %t63, 1
   %t65 = icmp uge i64 %t62, %t64
-  br i1 %t65, label %range3744, label %inrange3745
-range3744:
-  call void @finch_panic_index(ptr @.str.2359, i64 1533, i64 %t62, i64 %t64)
+  br i1 %t65, label %range3962, label %inrange3963
+range3962:
+  call void @finch_panic_index(ptr @.str.2448, i64 1681, i64 %t62, i64 %t64)
   unreachable
-inrange3745:
+inrange3963:
   %t66 = extractvalue { ptr, i64, i64 } %t63, 0
   %t67 = getelementptr inbounds i1, ptr %t66, i64 %t62
   %t68 = load i1, ptr %t67
   %t69 = xor i1 %t68, true
-  br i1 %t69, label %then3746, label %endif3748
-then3746:
+  br i1 %t69, label %then3964, label %endif3966
+then3964:
   %t70 = load %S.ast.Type, ptr %a3
   %t71 = load ptr, ptr %a5
   %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic3749, label %ok3750
-panic3749:
-  call void @finch_panic(ptr @.str.2360, i64 1534, ptr @.str.2361)
+  br i1 %t72, label %panic3967, label %ok3968
+panic3967:
+  call void @finch_panic(ptr @.str.2449, i64 1682, ptr @.str.2450)
   unreachable
-ok3750:
+ok3968:
   %t73 = getelementptr inbounds %S.gen.Binds, ptr %t71, i32 0, i32 0
   %t74 = load i64, ptr %a58
   %t75 = load { ptr, i64, i64 }, ptr %t73
   %t76 = extractvalue { ptr, i64, i64 } %t75, 1
   %t77 = icmp uge i64 %t74, %t76
-  br i1 %t77, label %range3751, label %inrange3752
-range3751:
-  call void @finch_panic_index(ptr @.str.2362, i64 1534, i64 %t74, i64 %t76)
+  br i1 %t77, label %range3969, label %inrange3970
+range3969:
+  call void @finch_panic_index(ptr @.str.2451, i64 1682, i64 %t74, i64 %t76)
   unreachable
-inrange3752:
+inrange3970:
   %t78 = extractvalue { ptr, i64, i64 } %t75, 0
   %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i64 %t74
   store %S.ast.Type %t70, ptr %a80
   call void @finch.copy.S_ast_Type(ptr %a81, ptr %a80)
   %t82 = load %S.ast.Type, ptr %a81
+  %t83 = load %S.ast.Type, ptr %t79
   store %S.ast.Type %t82, ptr %t79
-  %t83 = load ptr, ptr %a5
-  %t84 = icmp eq ptr %t83, null
-  br i1 %t84, label %panic3753, label %ok3754
-panic3753:
-  call void @finch_panic(ptr @.str.2363, i64 1535, ptr @.str.2364)
+  store %S.ast.Type %t83, ptr %a84
+  call void @finch.drop.S_ast_Type(ptr %a84)
+  %t85 = load ptr, ptr %a5
+  %t86 = icmp eq ptr %t85, null
+  br i1 %t86, label %panic3971, label %ok3972
+panic3971:
+  call void @finch_panic(ptr @.str.2452, i64 1683, ptr @.str.2453)
   unreachable
-ok3754:
-  %t85 = getelementptr inbounds %S.gen.Binds, ptr %t83, i32 0, i32 1
-  %t86 = load i64, ptr %a58
-  %t87 = load { ptr, i64, i64 }, ptr %t85
-  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
-  %t89 = icmp uge i64 %t86, %t88
-  br i1 %t89, label %range3755, label %inrange3756
-range3755:
-  call void @finch_panic_index(ptr @.str.2365, i64 1535, i64 %t86, i64 %t88)
+ok3972:
+  %t87 = getelementptr inbounds %S.gen.Binds, ptr %t85, i32 0, i32 1
+  %t88 = load i64, ptr %a58
+  %t89 = load { ptr, i64, i64 }, ptr %t87
+  %t90 = extractvalue { ptr, i64, i64 } %t89, 1
+  %t91 = icmp uge i64 %t88, %t90
+  br i1 %t91, label %range3973, label %inrange3974
+range3973:
+  call void @finch_panic_index(ptr @.str.2454, i64 1683, i64 %t88, i64 %t90)
   unreachable
-inrange3756:
-  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
-  %t91 = getelementptr inbounds i1, ptr %t90, i64 %t86
-  store i1 true, ptr %t91
-  br label %endif3748
-endif3748:
+inrange3974:
+  %t92 = extractvalue { ptr, i64, i64 } %t89, 0
+  %t93 = getelementptr inbounds i1, ptr %t92, i64 %t88
+  store i1 true, ptr %t93
+  br label %endif3966
+endif3966:
   ret void
-endif3736:
-  %t92 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store { ptr, i64, i64 } %t93, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.2366, i64 5, i64 0 }, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.from3757
-logic.from3757:
-  br i1 %t97, label %logic.end3759, label %logic.rhs3758
-logic.rhs3758:
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t99 = load { ptr, i64, i64 }, ptr %t98
-  store { ptr, i64, i64 } %t99, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.2367, i64 3, i64 0 }, ptr %a101
-  %t102 = call i32 @finch_str_eq(ptr %a100, ptr %a101)
-  %t103 = icmp ne i32 %t102, 0
-  br label %logic.rend3760
-logic.rend3760:
-  br label %logic.end3759
-logic.end3759:
-  %t104 = phi i1 [ true, %logic.from3757 ], [ %t103, %logic.rend3760 ]
-  br label %logic.from3761
-logic.from3761:
-  br i1 %t104, label %logic.end3763, label %logic.rhs3762
-logic.rhs3762:
-  %t105 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.2368, i64 5, i64 0 }, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend3764
-logic.rend3764:
-  br label %logic.end3763
-logic.end3763:
-  %t111 = phi i1 [ true, %logic.from3761 ], [ %t110, %logic.rend3764 ]
-  br label %logic.from3765
-logic.from3765:
-  br i1 %t111, label %logic.rhs3766, label %logic.end3767
-logic.rhs3766:
-  %t112 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
-  %t114 = load i64, ptr %t113
-  %t115 = icmp sgt i64 %t114, 0
-  br label %logic.rend3768
-logic.rend3768:
-  br label %logic.end3767
-logic.end3767:
-  %t116 = phi i1 [ false, %logic.from3765 ], [ %t115, %logic.rend3768 ]
-  br label %logic.from3769
-logic.from3769:
-  br i1 %t116, label %logic.rhs3770, label %logic.end3771
-logic.rhs3770:
-  %t117 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t118 = load { ptr, i64, i64 }, ptr %t117
-  %t119 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+endif3954:
+  %t94 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.2455, i64 5, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br label %logic.from3975
+logic.from3975:
+  br i1 %t99, label %logic.end3977, label %logic.rhs3976
+logic.rhs3976:
+  %t100 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.2456, i64 3, i64 0 }, ptr %a103
+  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
+  %t105 = icmp ne i32 %t104, 0
+  br label %logic.rend3978
+logic.rend3978:
+  br label %logic.end3977
+logic.end3977:
+  %t106 = phi i1 [ true, %logic.from3975 ], [ %t105, %logic.rend3978 ]
+  br label %logic.from3979
+logic.from3979:
+  br i1 %t106, label %logic.end3981, label %logic.rhs3980
+logic.rhs3980:
+  %t107 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t108 = load { ptr, i64, i64 }, ptr %t107
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2457, i64 5, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br label %logic.rend3982
+logic.rend3982:
+  br label %logic.end3981
+logic.end3981:
+  %t113 = phi i1 [ true, %logic.from3979 ], [ %t112, %logic.rend3982 ]
+  br label %logic.from3983
+logic.from3983:
+  br i1 %t113, label %logic.rhs3984, label %logic.end3985
+logic.rhs3984:
+  %t114 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
+  %t116 = load i64, ptr %t115
+  %t117 = icmp sgt i64 %t116, 0
+  br label %logic.rend3986
+logic.rend3986:
+  br label %logic.end3985
+logic.end3985:
+  %t118 = phi i1 [ false, %logic.from3983 ], [ %t117, %logic.rend3986 ]
+  br label %logic.from3987
+logic.from3987:
+  br i1 %t118, label %logic.rhs3988, label %logic.end3989
+logic.rhs3988:
+  %t119 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t120 = load { ptr, i64, i64 }, ptr %t119
-  store { ptr, i64, i64 } %t118, ptr %a121
-  store { ptr, i64, i64 } %t120, ptr %a122
-  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
-  %t124 = icmp ne i32 %t123, 0
-  br label %logic.rend3772
-logic.rend3772:
-  br label %logic.end3771
-logic.end3771:
-  %t125 = phi i1 [ false, %logic.from3769 ], [ %t124, %logic.rend3772 ]
-  br label %logic.from3773
-logic.from3773:
-  br i1 %t125, label %logic.rhs3774, label %logic.end3775
-logic.rhs3774:
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t126, i32 0, i32 1
-  %t128 = load i64, ptr %t127
-  %t129 = icmp sgt i64 %t128, 0
-  br label %logic.rend3776
-logic.rend3776:
-  br label %logic.end3775
-logic.end3775:
-  %t130 = phi i1 [ false, %logic.from3773 ], [ %t129, %logic.rend3776 ]
-  br i1 %t130, label %then3777, label %endif3779
-then3777:
-  %t131 = load ptr, ptr %a1
-  %t132 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t133 = load { ptr, i64, i64 }, ptr %t132
-  %t134 = extractvalue { ptr, i64, i64 } %t133, 1
-  %t135 = icmp uge i64 0, %t134
-  br i1 %t135, label %range3780, label %inrange3781
-range3780:
-  call void @finch_panic_index(ptr @.str.2369, i64 1540, i64 0, i64 %t134)
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t120, ptr %a123
+  store { ptr, i64, i64 } %t122, ptr %a124
+  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
+  %t126 = icmp ne i32 %t125, 0
+  br label %logic.rend3990
+logic.rend3990:
+  br label %logic.end3989
+logic.end3989:
+  %t127 = phi i1 [ false, %logic.from3987 ], [ %t126, %logic.rend3990 ]
+  br label %logic.from3991
+logic.from3991:
+  br i1 %t127, label %logic.rhs3992, label %logic.end3993
+logic.rhs3992:
+  %t128 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t128, i32 0, i32 1
+  %t130 = load i64, ptr %t129
+  %t131 = icmp sgt i64 %t130, 0
+  br label %logic.rend3994
+logic.rend3994:
+  br label %logic.end3993
+logic.end3993:
+  %t132 = phi i1 [ false, %logic.from3991 ], [ %t131, %logic.rend3994 ]
+  br i1 %t132, label %then3995, label %endif3997
+then3995:
+  %t133 = load ptr, ptr %a1
+  %t134 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  %t136 = extractvalue { ptr, i64, i64 } %t135, 1
+  %t137 = icmp uge i64 0, %t136
+  br i1 %t137, label %range3998, label %inrange3999
+range3998:
+  call void @finch_panic_index(ptr @.str.2458, i64 1688, i64 0, i64 %t136)
   unreachable
-inrange3781:
-  %t136 = extractvalue { ptr, i64, i64 } %t133, 0
-  %t137 = getelementptr inbounds %S.ast.Type, ptr %t136, i64 0
-  %t138 = load %S.ast.Type, ptr %t137
-  %t139 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t140 = load { ptr, i64, i64 }, ptr %t139
-  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
-  %t142 = icmp uge i64 0, %t141
-  br i1 %t142, label %range3782, label %inrange3783
-range3782:
-  call void @finch_panic_index(ptr @.str.2370, i64 1540, i64 0, i64 %t141)
+inrange3999:
+  %t138 = extractvalue { ptr, i64, i64 } %t135, 0
+  %t139 = getelementptr inbounds %S.ast.Type, ptr %t138, i64 0
+  %t140 = load %S.ast.Type, ptr %t139
+  %t141 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t142 = load { ptr, i64, i64 }, ptr %t141
+  %t143 = extractvalue { ptr, i64, i64 } %t142, 1
+  %t144 = icmp uge i64 0, %t143
+  br i1 %t144, label %range4000, label %inrange4001
+range4000:
+  call void @finch_panic_index(ptr @.str.2459, i64 1688, i64 0, i64 %t143)
   unreachable
-inrange3783:
-  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
-  %t144 = getelementptr inbounds %S.ast.Type, ptr %t143, i64 0
-  %t145 = load %S.ast.Type, ptr %t144
-  %t146 = load { ptr, i64, i64 }, ptr %a4
-  %t147 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t131, %S.ast.Type %t138, %S.ast.Type %t145, { ptr, i64, i64 } %t146, ptr %t147)
+inrange4001:
+  %t145 = extractvalue { ptr, i64, i64 } %t142, 0
+  %t146 = getelementptr inbounds %S.ast.Type, ptr %t145, i64 0
+  %t147 = load %S.ast.Type, ptr %t146
+  %t148 = load { ptr, i64, i64 }, ptr %a4
+  %t149 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t133, %S.ast.Type %t140, %S.ast.Type %t147, { ptr, i64, i64 } %t148, ptr %t149)
   ret void
-endif3779:
-  %t148 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t149 = load { ptr, i64, i64 }, ptr %t148
-  store { ptr, i64, i64 } %t149, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.2371, i64 3, i64 0 }, ptr %a151
-  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
-  %t153 = icmp ne i32 %t152, 0
-  br label %logic.from3784
-logic.from3784:
-  br i1 %t153, label %logic.rhs3785, label %logic.end3786
-logic.rhs3785:
-  %t154 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t155 = load { ptr, i64, i64 }, ptr %t154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.2372, i64 3, i64 0 }, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br label %logic.rend3787
-logic.rend3787:
-  br label %logic.end3786
-logic.end3786:
-  %t160 = phi i1 [ false, %logic.from3784 ], [ %t159, %logic.rend3787 ]
-  br i1 %t160, label %then3788, label %endif3790
-then3788:
-  %t161 = load ptr, ptr %a1
-  %t162 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t163 = load { ptr, i64, i64 }, ptr %t162
-  %t164 = extractvalue { ptr, i64, i64 } %t163, 1
-  %t165 = icmp uge i64 0, %t164
-  br i1 %t165, label %range3791, label %inrange3792
-range3791:
-  call void @finch_panic_index(ptr @.str.2373, i64 1544, i64 0, i64 %t164)
+endif3997:
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t151 = load { ptr, i64, i64 }, ptr %t150
+  store { ptr, i64, i64 } %t151, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.2460, i64 3, i64 0 }, ptr %a153
+  %t154 = call i32 @finch_str_eq(ptr %a152, ptr %a153)
+  %t155 = icmp ne i32 %t154, 0
+  br label %logic.from4002
+logic.from4002:
+  br i1 %t155, label %logic.rhs4003, label %logic.end4004
+logic.rhs4003:
+  %t156 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.2461, i64 3, i64 0 }, ptr %a159
+  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
+  %t161 = icmp ne i32 %t160, 0
+  br label %logic.rend4005
+logic.rend4005:
+  br label %logic.end4004
+logic.end4004:
+  %t162 = phi i1 [ false, %logic.from4002 ], [ %t161, %logic.rend4005 ]
+  br i1 %t162, label %then4006, label %endif4008
+then4006:
+  %t163 = load ptr, ptr %a1
+  %t164 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  %t166 = extractvalue { ptr, i64, i64 } %t165, 1
+  %t167 = icmp uge i64 0, %t166
+  br i1 %t167, label %range4009, label %inrange4010
+range4009:
+  call void @finch_panic_index(ptr @.str.2462, i64 1692, i64 0, i64 %t166)
   unreachable
-inrange3792:
-  %t166 = extractvalue { ptr, i64, i64 } %t163, 0
-  %t167 = getelementptr inbounds %S.ast.Type, ptr %t166, i64 0
-  %t168 = load %S.ast.Type, ptr %t167
-  %t169 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t170 = load { ptr, i64, i64 }, ptr %t169
-  %t171 = extractvalue { ptr, i64, i64 } %t170, 1
-  %t172 = icmp uge i64 0, %t171
-  br i1 %t172, label %range3793, label %inrange3794
-range3793:
-  call void @finch_panic_index(ptr @.str.2374, i64 1544, i64 0, i64 %t171)
+inrange4010:
+  %t168 = extractvalue { ptr, i64, i64 } %t165, 0
+  %t169 = getelementptr inbounds %S.ast.Type, ptr %t168, i64 0
+  %t170 = load %S.ast.Type, ptr %t169
+  %t171 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t172 = load { ptr, i64, i64 }, ptr %t171
+  %t173 = extractvalue { ptr, i64, i64 } %t172, 1
+  %t174 = icmp uge i64 0, %t173
+  br i1 %t174, label %range4011, label %inrange4012
+range4011:
+  call void @finch_panic_index(ptr @.str.2463, i64 1692, i64 0, i64 %t173)
   unreachable
-inrange3794:
-  %t173 = extractvalue { ptr, i64, i64 } %t170, 0
-  %t174 = getelementptr inbounds %S.ast.Type, ptr %t173, i64 0
-  %t175 = load %S.ast.Type, ptr %t174
-  %t176 = load { ptr, i64, i64 }, ptr %a4
-  %t177 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t161, %S.ast.Type %t168, %S.ast.Type %t175, { ptr, i64, i64 } %t176, ptr %t177)
-  %t178 = load ptr, ptr %a1
-  %t179 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t180 = load { ptr, i64, i64 }, ptr %t179
-  %t181 = extractvalue { ptr, i64, i64 } %t180, 1
-  %t182 = icmp uge i64 1, %t181
-  br i1 %t182, label %range3795, label %inrange3796
-range3795:
-  call void @finch_panic_index(ptr @.str.2375, i64 1545, i64 1, i64 %t181)
+inrange4012:
+  %t175 = extractvalue { ptr, i64, i64 } %t172, 0
+  %t176 = getelementptr inbounds %S.ast.Type, ptr %t175, i64 0
+  %t177 = load %S.ast.Type, ptr %t176
+  %t178 = load { ptr, i64, i64 }, ptr %a4
+  %t179 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t163, %S.ast.Type %t170, %S.ast.Type %t177, { ptr, i64, i64 } %t178, ptr %t179)
+  %t180 = load ptr, ptr %a1
+  %t181 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t182 = load { ptr, i64, i64 }, ptr %t181
+  %t183 = extractvalue { ptr, i64, i64 } %t182, 1
+  %t184 = icmp uge i64 1, %t183
+  br i1 %t184, label %range4013, label %inrange4014
+range4013:
+  call void @finch_panic_index(ptr @.str.2464, i64 1693, i64 1, i64 %t183)
   unreachable
-inrange3796:
-  %t183 = extractvalue { ptr, i64, i64 } %t180, 0
-  %t184 = getelementptr inbounds %S.ast.Type, ptr %t183, i64 1
-  %t185 = load %S.ast.Type, ptr %t184
-  %t186 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t187 = load { ptr, i64, i64 }, ptr %t186
-  %t188 = extractvalue { ptr, i64, i64 } %t187, 1
-  %t189 = icmp uge i64 1, %t188
-  br i1 %t189, label %range3797, label %inrange3798
-range3797:
-  call void @finch_panic_index(ptr @.str.2376, i64 1545, i64 1, i64 %t188)
+inrange4014:
+  %t185 = extractvalue { ptr, i64, i64 } %t182, 0
+  %t186 = getelementptr inbounds %S.ast.Type, ptr %t185, i64 1
+  %t187 = load %S.ast.Type, ptr %t186
+  %t188 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  %t190 = extractvalue { ptr, i64, i64 } %t189, 1
+  %t191 = icmp uge i64 1, %t190
+  br i1 %t191, label %range4015, label %inrange4016
+range4015:
+  call void @finch_panic_index(ptr @.str.2465, i64 1693, i64 1, i64 %t190)
   unreachable
-inrange3798:
-  %t190 = extractvalue { ptr, i64, i64 } %t187, 0
-  %t191 = getelementptr inbounds %S.ast.Type, ptr %t190, i64 1
-  %t192 = load %S.ast.Type, ptr %t191
-  %t193 = load { ptr, i64, i64 }, ptr %a4
-  %t194 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t178, %S.ast.Type %t185, %S.ast.Type %t192, { ptr, i64, i64 } %t193, ptr %t194)
+inrange4016:
+  %t192 = extractvalue { ptr, i64, i64 } %t189, 0
+  %t193 = getelementptr inbounds %S.ast.Type, ptr %t192, i64 1
+  %t194 = load %S.ast.Type, ptr %t193
+  %t195 = load { ptr, i64, i64 }, ptr %a4
+  %t196 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t180, %S.ast.Type %t187, %S.ast.Type %t194, { ptr, i64, i64 } %t195, ptr %t196)
   ret void
-endif3790:
-  %t195 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t196 = load { ptr, i64, i64 }, ptr %t195
-  store { ptr, i64, i64 } %t196, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.2377, i64 5, i64 0 }, ptr %a198
-  %t199 = call i32 @finch_str_eq(ptr %a197, ptr %a198)
-  %t200 = icmp ne i32 %t199, 0
-  br label %logic.from3799
-logic.from3799:
-  br i1 %t200, label %logic.rhs3800, label %logic.end3801
-logic.rhs3800:
-  %t201 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i32 0, i32 1
-  %t203 = load i64, ptr %t202
-  %t204 = icmp sgt i64 %t203, 0
-  br label %logic.rend3802
-logic.rend3802:
-  br label %logic.end3801
-logic.end3801:
-  %t205 = phi i1 [ false, %logic.from3799 ], [ %t204, %logic.rend3802 ]
-  br label %logic.from3803
-logic.from3803:
-  br i1 %t205, label %logic.rhs3804, label %logic.end3805
-logic.rhs3804:
-  %t206 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t207 = load { ptr, i64, i64 }, ptr %t206
-  store { ptr, i64, i64 } %t207, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.2378, i64 6, i64 0 }, ptr %a209
-  %t210 = call i32 @finch_str_eq(ptr %a208, ptr %a209)
-  %t211 = icmp ne i32 %t210, 0
-  br label %logic.rend3806
-logic.rend3806:
-  br label %logic.end3805
-logic.end3805:
-  %t212 = phi i1 [ false, %logic.from3803 ], [ %t211, %logic.rend3806 ]
-  br i1 %t212, label %then3807, label %endif3809
-then3807:
-  %t213 = load ptr, ptr %a1
-  %t214 = icmp eq ptr %t213, null
-  br i1 %t214, label %panic3810, label %ok3811
-panic3810:
-  call void @finch_panic(ptr @.str.2379, i64 1549, ptr @.str.2380)
+endif4008:
+  %t197 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t198 = load { ptr, i64, i64 }, ptr %t197
+  store { ptr, i64, i64 } %t198, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.2466, i64 5, i64 0 }, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp ne i32 %t201, 0
+  br label %logic.from4017
+logic.from4017:
+  br i1 %t202, label %logic.rhs4018, label %logic.end4019
+logic.rhs4018:
+  %t203 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t204 = getelementptr inbounds { ptr, i64, i64 }, ptr %t203, i32 0, i32 1
+  %t205 = load i64, ptr %t204
+  %t206 = icmp sgt i64 %t205, 0
+  br label %logic.rend4020
+logic.rend4020:
+  br label %logic.end4019
+logic.end4019:
+  %t207 = phi i1 [ false, %logic.from4017 ], [ %t206, %logic.rend4020 ]
+  br label %logic.from4021
+logic.from4021:
+  br i1 %t207, label %logic.rhs4022, label %logic.end4023
+logic.rhs4022:
+  %t208 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t209 = load { ptr, i64, i64 }, ptr %t208
+  store { ptr, i64, i64 } %t209, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.2467, i64 6, i64 0 }, ptr %a211
+  %t212 = call i32 @finch_str_eq(ptr %a210, ptr %a211)
+  %t213 = icmp ne i32 %t212, 0
+  br label %logic.rend4024
+logic.rend4024:
+  br label %logic.end4023
+logic.end4023:
+  %t214 = phi i1 [ false, %logic.from4021 ], [ %t213, %logic.rend4024 ]
+  br i1 %t214, label %then4025, label %endif4027
+then4025:
+  %t215 = load ptr, ptr %a1
+  %t216 = icmp eq ptr %t215, null
+  br i1 %t216, label %panic4028, label %ok4029
+panic4028:
+  call void @finch_panic(ptr @.str.2468, i64 1697, ptr @.str.2469)
   unreachable
-ok3811:
-  %t215 = getelementptr inbounds %S.gen.Gen, ptr %t213, i32 0, i32 15
-  %t216 = load ptr, ptr %a1
-  %t217 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 3
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  %t219 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 2
+ok4029:
+  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 16
+  %t218 = load ptr, ptr %a1
+  %t219 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 3
   %t220 = load { ptr, i64, i64 }, ptr %t219
-  %t221 = call i64 @finch.gen.findStruct(ptr %t216, { ptr, i64, i64 } %t218, { ptr, i64, i64 } %t220)
-  %t222 = load { ptr, i64, i64 }, ptr %t215
-  %t223 = extractvalue { ptr, i64, i64 } %t222, 1
-  %t224 = icmp uge i64 %t221, %t223
-  br i1 %t224, label %range3812, label %inrange3813
-range3812:
-  call void @finch_panic_index(ptr @.str.2381, i64 1549, i64 %t221, i64 %t223)
+  %t221 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 2
+  %t222 = load { ptr, i64, i64 }, ptr %t221
+  %t223 = call i64 @finch.gen.findStruct(ptr %t218, { ptr, i64, i64 } %t220, { ptr, i64, i64 } %t222)
+  %t224 = load { ptr, i64, i64 }, ptr %t217
+  %t225 = extractvalue { ptr, i64, i64 } %t224, 1
+  %t226 = icmp uge i64 %t223, %t225
+  br i1 %t226, label %range4030, label %inrange4031
+range4030:
+  call void @finch_panic_index(ptr @.str.2470, i64 1697, i64 %t223, i64 %t225)
   unreachable
-inrange3813:
-  %t225 = extractvalue { ptr, i64, i64 } %t222, 0
-  %t226 = getelementptr inbounds %S.gen.StructDef, ptr %t225, i64 %t221
-  %t227 = load %S.gen.StructDef, ptr %t226
-  store %S.gen.StructDef %t227, ptr %a228
-  call void @finch.copy.S_gen_StructDef(ptr %a229, ptr %a228)
-  %t230 = load %S.gen.StructDef, ptr %a229
-  store %S.gen.StructDef %t230, ptr %a231
-  %t232 = getelementptr inbounds %S.gen.StructDef, ptr %a231, i32 0, i32 5
-  %t233 = load { ptr, i64, i64 }, ptr %t232
-  %t234 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+inrange4031:
+  %t227 = extractvalue { ptr, i64, i64 } %t224, 0
+  %t228 = getelementptr inbounds %S.gen.StructDef, ptr %t227, i64 %t223
+  %t229 = load %S.gen.StructDef, ptr %t228
+  store %S.gen.StructDef %t229, ptr %a230
+  call void @finch.copy.S_gen_StructDef(ptr %a231, ptr %a230)
+  %t232 = load %S.gen.StructDef, ptr %a231
+  store %S.gen.StructDef %t232, ptr %a233
+  %t234 = getelementptr inbounds %S.gen.StructDef, ptr %a233, i32 0, i32 5
   %t235 = load { ptr, i64, i64 }, ptr %t234
-  store { ptr, i64, i64 } %t233, ptr %a236
-  store { ptr, i64, i64 } %t235, ptr %a237
-  %t238 = call i32 @finch_str_eq(ptr %a236, ptr %a237)
-  %t239 = icmp ne i32 %t238, 0
-  br label %logic.from3814
-logic.from3814:
-  br i1 %t239, label %logic.rhs3815, label %logic.end3816
-logic.rhs3815:
-  %t240 = getelementptr inbounds %S.gen.StructDef, ptr %a231, i32 0, i32 7
-  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t240, i32 0, i32 1
-  %t242 = load i64, ptr %t241
-  %t243 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
-  %t245 = load i64, ptr %t244
-  %t246 = icmp eq i64 %t242, %t245
-  br label %logic.rend3817
-logic.rend3817:
-  br label %logic.end3816
-logic.end3816:
-  %t247 = phi i1 [ false, %logic.from3814 ], [ %t246, %logic.rend3817 ]
-  br i1 %t247, label %then3818, label %endif3820
-then3818:
-  %t248 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
-  %t250 = load i64, ptr %t249
-  store i64 0, ptr %a251
-  br label %for.cond3821
-for.cond3821:
-  %t252 = load i64, ptr %a251
-  %t253 = icmp slt i64 %t252, %t250
-  br i1 %t253, label %for.body3822, label %for.end3824
-for.body3822:
-  %t254 = load ptr, ptr %a1
-  %t255 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t256 = load i64, ptr %a251
-  %t257 = load { ptr, i64, i64 }, ptr %t255
-  %t258 = extractvalue { ptr, i64, i64 } %t257, 1
-  %t259 = icmp uge i64 %t256, %t258
-  br i1 %t259, label %range3825, label %inrange3826
-range3825:
-  call void @finch_panic_index(ptr @.str.2382, i64 1552, i64 %t256, i64 %t258)
+  %t236 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t237 = load { ptr, i64, i64 }, ptr %t236
+  store { ptr, i64, i64 } %t235, ptr %a238
+  store { ptr, i64, i64 } %t237, ptr %a239
+  %t240 = call i32 @finch_str_eq(ptr %a238, ptr %a239)
+  %t241 = icmp ne i32 %t240, 0
+  br label %logic.from4032
+logic.from4032:
+  br i1 %t241, label %logic.rhs4033, label %logic.end4034
+logic.rhs4033:
+  %t242 = getelementptr inbounds %S.gen.StructDef, ptr %a233, i32 0, i32 7
+  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i32 0, i32 1
+  %t244 = load i64, ptr %t243
+  %t245 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %t245, i32 0, i32 1
+  %t247 = load i64, ptr %t246
+  %t248 = icmp eq i64 %t244, %t247
+  br label %logic.rend4035
+logic.rend4035:
+  br label %logic.end4034
+logic.end4034:
+  %t249 = phi i1 [ false, %logic.from4032 ], [ %t248, %logic.rend4035 ]
+  br i1 %t249, label %then4036, label %endif4038
+then4036:
+  %t250 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %t250, i32 0, i32 1
+  %t252 = load i64, ptr %t251
+  store i64 0, ptr %a253
+  br label %for.cond4039
+for.cond4039:
+  %t254 = load i64, ptr %a253
+  %t255 = icmp slt i64 %t254, %t252
+  br i1 %t255, label %for.body4040, label %for.end4042
+for.body4040:
+  %t256 = load ptr, ptr %a1
+  %t257 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t258 = load i64, ptr %a253
+  %t259 = load { ptr, i64, i64 }, ptr %t257
+  %t260 = extractvalue { ptr, i64, i64 } %t259, 1
+  %t261 = icmp uge i64 %t258, %t260
+  br i1 %t261, label %range4043, label %inrange4044
+range4043:
+  call void @finch_panic_index(ptr @.str.2471, i64 1700, i64 %t258, i64 %t260)
   unreachable
-inrange3826:
-  %t260 = extractvalue { ptr, i64, i64 } %t257, 0
-  %t261 = getelementptr inbounds %S.ast.Type, ptr %t260, i64 %t256
-  %t262 = load %S.ast.Type, ptr %t261
-  %t263 = getelementptr inbounds %S.gen.StructDef, ptr %a231, i32 0, i32 7
-  %t264 = load i64, ptr %a251
-  %t265 = load { ptr, i64, i64 }, ptr %t263
-  %t266 = extractvalue { ptr, i64, i64 } %t265, 1
-  %t267 = icmp uge i64 %t264, %t266
-  br i1 %t267, label %range3827, label %inrange3828
-range3827:
-  call void @finch_panic_index(ptr @.str.2383, i64 1552, i64 %t264, i64 %t266)
+inrange4044:
+  %t262 = extractvalue { ptr, i64, i64 } %t259, 0
+  %t263 = getelementptr inbounds %S.ast.Type, ptr %t262, i64 %t258
+  %t264 = load %S.ast.Type, ptr %t263
+  %t265 = getelementptr inbounds %S.gen.StructDef, ptr %a233, i32 0, i32 7
+  %t266 = load i64, ptr %a253
+  %t267 = load { ptr, i64, i64 }, ptr %t265
+  %t268 = extractvalue { ptr, i64, i64 } %t267, 1
+  %t269 = icmp uge i64 %t266, %t268
+  br i1 %t269, label %range4045, label %inrange4046
+range4045:
+  call void @finch_panic_index(ptr @.str.2472, i64 1700, i64 %t266, i64 %t268)
   unreachable
-inrange3828:
-  %t268 = extractvalue { ptr, i64, i64 } %t265, 0
-  %t269 = getelementptr inbounds %S.ast.Type, ptr %t268, i64 %t264
-  %t270 = load %S.ast.Type, ptr %t269
-  %t271 = load { ptr, i64, i64 }, ptr %a4
-  %t272 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t254, %S.ast.Type %t262, %S.ast.Type %t270, { ptr, i64, i64 } %t271, ptr %t272)
-  br label %for.step3823
-for.step3823:
-  %t273 = load i64, ptr %a251
-  %t274 = add i64 %t273, 1
-  store i64 %t274, ptr %a251
-  br label %for.cond3821
-for.end3824:
-  br label %endif3820
-endif3820:
-  br label %endif3809
-endif3809:
+inrange4046:
+  %t270 = extractvalue { ptr, i64, i64 } %t267, 0
+  %t271 = getelementptr inbounds %S.ast.Type, ptr %t270, i64 %t266
+  %t272 = load %S.ast.Type, ptr %t271
+  %t273 = load { ptr, i64, i64 }, ptr %a4
+  %t274 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t256, %S.ast.Type %t264, %S.ast.Type %t272, { ptr, i64, i64 } %t273, ptr %t274)
+  br label %for.step4041
+for.step4041:
+  %t275 = load i64, ptr %a253
+  %t276 = add i64 %t275, 1
+  store i64 %t276, ptr %a253
+  br label %for.cond4039
+for.end4042:
+  br label %endif4038
+endif4038:
+  call void @finch.drop.S_gen_StructDef(ptr %a233)
+  br label %endif4027
+endif4027:
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Val(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond4123
+n.cond4123:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body4124, label %n.end4125
+n.body4124:
+  %t7 = getelementptr inbounds %S.gen.Val, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Val(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond4123
+n.end4125:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Binds(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Binds, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_ast_Type(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Binds, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_bool(ptr %t2)
   ret void
 }
 
@@ -35899,66 +41842,89 @@ entry:
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca i64, align 16
-  %a107 = alloca %S.ast.Type, align 16
-  %a130 = alloca %S.gen.Binds, align 16
-  %a134 = alloca i64, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca i64, align 16
-  %a169 = alloca %S.gen.Val, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca %S.gen.Val, align 16
-  %a212 = alloca %S.gen.Val, align 16
-  %a237 = alloca i64, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca i64, align 16
-  %a297 = alloca %S.gen.FnSig, align 16
-  %a298 = alloca %S.gen.FnSig, align 16
-  %a300 = alloca %S.gen.FnSig, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca i64, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca %S.gen.Val, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca i64, align 16
+  %a113 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.ast.Type, align 16
+  %a137 = alloca %S.gen.Binds, align 16
+  %a141 = alloca i64, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca i64, align 16
+  %a167 = alloca i64, align 16
+  %a182 = alloca %S.gen.Val, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca %S.gen.Val, align 16
+  %a228 = alloca %S.gen.Val, align 16
+  %a255 = alloca i64, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a309 = alloca i64, align 16
+  %a320 = alloca %S.gen.FnSig, align 16
+  %a321 = alloca %S.gen.FnSig, align 16
+  %a323 = alloca %S.gen.FnSig, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca i64, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca %S.gen.Val, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca %S.gen.Val, align 16
+  %a414 = alloca i64, align 16
+  %a422 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -35966,21 +41932,21 @@ entry:
   store { ptr, i64, i64 } %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic3829, label %ok3830
-panic3829:
-  call void @finch_panic(ptr @.str.2384, i64 1560, ptr @.str.2385)
+  br i1 %t7, label %panic4047, label %ok4048
+panic4047:
+  call void @finch_panic(ptr @.str.2473, i64 1708, ptr @.str.2474)
   unreachable
-ok3830:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
+ok4048:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 17
   %t9 = load i64, ptr %a3
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range3831, label %inrange3832
-range3831:
-  call void @finch_panic_index(ptr @.str.2386, i64 1560, i64 %t9, i64 %t11)
+  br i1 %t12, label %range4049, label %inrange4050
+range4049:
+  call void @finch_panic_index(ptr @.str.2475, i64 1708, i64 %t9, i64 %t11)
   unreachable
-inrange3832:
+inrange4050:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.Template, ptr %t13, i64 %t9
   %t15 = load %S.gen.Template, ptr %t14
@@ -35990,22 +41956,22 @@ inrange3832:
   store %S.gen.Template %t18, ptr %a19
   %t20 = load ptr, ptr %a1
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic3833, label %ok3834
-panic3833:
-  call void @finch_panic(ptr @.str.2387, i64 1561, ptr @.str.2388)
+  br i1 %t21, label %panic4051, label %ok4052
+panic4051:
+  call void @finch_panic(ptr @.str.2476, i64 1709, ptr @.str.2477)
   unreachable
-ok3834:
+ok4052:
   %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 0
   %t23 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
   %t24 = load i64, ptr %t23
   %t25 = load { ptr, i64, i64 }, ptr %t22
   %t26 = extractvalue { ptr, i64, i64 } %t25, 1
   %t27 = icmp uge i64 %t24, %t26
-  br i1 %t27, label %range3835, label %inrange3836
-range3835:
-  call void @finch_panic_index(ptr @.str.2389, i64 1561, i64 %t24, i64 %t26)
+  br i1 %t27, label %range4053, label %inrange4054
+range4053:
+  call void @finch_panic_index(ptr @.str.2478, i64 1709, i64 %t24, i64 %t26)
   unreachable
-inrange3836:
+inrange4054:
   %t28 = extractvalue { ptr, i64, i64 } %t25, 0
   %t29 = getelementptr inbounds %S.ast.Program, ptr %t28, i64 %t24
   %t30 = getelementptr inbounds %S.ast.Program, ptr %t29, i32 0, i32 8
@@ -36014,11 +41980,11 @@ inrange3836:
   %t33 = load { ptr, i64, i64 }, ptr %t30
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range3837, label %inrange3838
-range3837:
-  call void @finch_panic_index(ptr @.str.2390, i64 1561, i64 %t32, i64 %t34)
+  br i1 %t35, label %range4055, label %inrange4056
+range4055:
+  call void @finch_panic_index(ptr @.str.2479, i64 1709, i64 %t32, i64 %t34)
   unreachable
-inrange3838:
+inrange4056:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds %S.ast.Node, ptr %t36, i64 %t32
   %t38 = load %S.ast.Node, ptr %t37
@@ -36043,8 +42009,8 @@ inrange3838:
   %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %t55, i32 0, i32 1
   %t57 = load i64, ptr %t56
   %t58 = icmp sgt i64 %t57, 0
-  br i1 %t58, label %then3839, label %endif3841
-then3839:
+  br i1 %t58, label %then4057, label %endif4059
+then4057:
   %t59 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
   %t60 = getelementptr inbounds %S.ast.Type, ptr %t59, i32 0, i32 1
   %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
@@ -36053,13 +42019,13 @@ then3839:
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
   %t65 = load i64, ptr %t64
   %t66 = icmp ne i64 %t62, %t65
-  br i1 %t66, label %then3842, label %endif3844
-then3842:
+  br i1 %t66, label %then4060, label %endif4062
+then4060:
   %t67 = load ptr, ptr %a1
   %t68 = load %S.ast.Node, ptr %a2
   %t69 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t69, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.2391, i64 7, i64 0 }, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.2480, i64 7, i64 0 }, ptr %a72
   call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
   %t73 = load { ptr, i64, i64 }, ptr %a70
   %t74 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
@@ -36070,456 +42036,548 @@ then3842:
   store { ptr, i64, i64 } %t73, ptr %a80
   store { ptr, i64, i64 } %t78, ptr %a81
   call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
-  %t82 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t82, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.2392, i64 27, i64 0 }, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i32 0, i32 1
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t88, i32 0, i32 1
-  %t90 = load i64, ptr %t89
-  call void @finch_str_from_int(ptr %a91, i64 %t90)
-  %t92 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t86, ptr %a94
-  store { ptr, i64, i64 } %t92, ptr %a95
-  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
-  %t96 = load { ptr, i64, i64 }, ptr %a93
-  call void @finch.gen.fail(ptr %t67, %S.ast.Node %t68, { ptr, i64, i64 } %t96)
-  br label %endif3844
-endif3844:
-  %t97 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %t97, i32 0, i32 1
-  store i64 0, ptr %a99
-  br label %each.cond3845
-each.cond3845:
-  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
-  %t101 = load i64, ptr %t100
-  %t102 = load i64, ptr %a99
-  %t103 = icmp slt i64 %t102, %t101
-  br i1 %t103, label %each.body3846, label %each.end3848
-each.body3846:
-  %t104 = load ptr, ptr %t98
-  %t105 = getelementptr inbounds %S.ast.Type, ptr %t104, i64 %t102
-  %t106 = load %S.ast.Type, ptr %t105
-  store %S.ast.Type %t106, ptr %a107
-  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
-  %t109 = load ptr, ptr %a1
-  %t110 = load %S.ast.Type, ptr %a107
-  %t111 = load %S.ast.Node, ptr %a2
-  %t112 = call %S.ast.Type @finch.gen.resolve(ptr %t109, %S.ast.Type %t110, %S.ast.Node %t111)
-  %t113 = load i64, ptr %t108
-  %t114 = add i64 %t113, 1
-  call void @finch_arr_reserve(ptr %a53, i64 %t114, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t115 = load ptr, ptr %a53
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i64 %t113
-  store %S.ast.Type %t112, ptr %t116
-  store i64 %t114, ptr %t108
-  br label %each.step3847
-each.step3847:
-  %t117 = load i64, ptr %a99
-  %t118 = add i64 %t117, 1
-  store i64 %t118, ptr %a99
-  br label %each.cond3845
-each.end3848:
-  %t119 = load ptr, ptr %a1
-  %t120 = load ptr, ptr %a1
-  %t121 = load i64, ptr %a3
-  %t122 = load { ptr, i64, i64 }, ptr %a53
-  %t123 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2393, i64 4, i64 0 })
-  %t124 = load %S.ast.Node, ptr %a2
-  %t125 = call i64 @finch.gen.instFn(ptr %t120, i64 %t121, { ptr, i64, i64 } %t122, %S.ast.Type %t123, %S.ast.Node %t124)
-  %t126 = load %S.ast.Node, ptr %a2
-  %t127 = load i64, ptr %a4
-  %t128 = load { ptr, i64, i64 }, ptr %a5
-  %t129 = call %S.gen.Val @finch.gen.callFn(ptr %t119, i64 %t125, %S.ast.Node %t126, i64 %t127, { ptr, i64, i64 } %t128, { ptr, i64, i64 } { ptr @.str.2394, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.2395, i64 0, i64 0 })
-  ret %S.gen.Val %t129
-endif3841:
-  store %S.gen.Binds zeroinitializer, ptr %a130
-  %t131 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t133 = load i64, ptr %t132
-  store i64 0, ptr %a134
-  br label %for.cond3849
-for.cond3849:
-  %t135 = load i64, ptr %a134
-  %t136 = icmp slt i64 %t135, %t133
-  br i1 %t136, label %for.body3850, label %for.end3852
-for.body3850:
-  %t137 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 0
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
-  %t139 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2396, i64 4, i64 0 })
-  %t140 = load i64, ptr %t138
-  %t141 = add i64 %t140, 1
-  call void @finch_arr_reserve(ptr %t137, i64 %t141, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t142 = load ptr, ptr %t137
-  %t143 = getelementptr inbounds %S.ast.Type, ptr %t142, i64 %t140
-  store %S.ast.Type %t139, ptr %t143
-  store i64 %t141, ptr %t138
-  %t144 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 1
+  store { ptr, i64, i64 } %t73, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  store { ptr, i64, i64 } %t78, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t84, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.2481, i64 27, i64 0 }, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %t90, i32 0, i32 1
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
+  %t93 = load i64, ptr %t92
+  call void @finch_str_from_int(ptr %a94, i64 %t93)
+  %t95 = load { ptr, i64, i64 }, ptr %a94
+  store { ptr, i64, i64 } %t89, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t89, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  store { ptr, i64, i64 } %t95, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.gen.fail(ptr %t67, %S.ast.Node %t68, { ptr, i64, i64 } %t101)
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif4062
+endif4062:
+  %t103 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t104 = getelementptr inbounds %S.ast.Type, ptr %t103, i32 0, i32 1
+  store i64 0, ptr %a105
+  br label %each.cond4063
+each.cond4063:
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t107 = load i64, ptr %t106
+  %t108 = load i64, ptr %a105
+  %t109 = icmp slt i64 %t108, %t107
+  br i1 %t109, label %each.body4064, label %each.end4066
+each.body4064:
+  %t110 = load ptr, ptr %t104
+  %t111 = getelementptr inbounds %S.ast.Type, ptr %t110, i64 %t108
+  %t112 = load %S.ast.Type, ptr %t111
+  store %S.ast.Type %t112, ptr %a113
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
+  %t115 = load ptr, ptr %a1
+  %t116 = load %S.ast.Type, ptr %a113
+  %t117 = load %S.ast.Node, ptr %a2
+  %t118 = call %S.ast.Type @finch.gen.resolve(ptr %t115, %S.ast.Type %t116, %S.ast.Node %t117)
+  %t119 = load i64, ptr %t114
+  %t120 = add i64 %t119, 1
+  call void @finch_arr_reserve(ptr %a53, i64 %t120, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t121 = load ptr, ptr %a53
+  %t122 = getelementptr inbounds %S.ast.Type, ptr %t121, i64 %t119
+  store %S.ast.Type %t118, ptr %t122
+  store i64 %t120, ptr %t114
+  br label %each.step4065
+each.step4065:
+  %t123 = load i64, ptr %a105
+  %t124 = add i64 %t123, 1
+  store i64 %t124, ptr %a105
+  br label %each.cond4063
+each.end4066:
+  %t125 = load ptr, ptr %a1
+  %t126 = load ptr, ptr %a1
+  %t127 = load i64, ptr %a3
+  %t128 = load { ptr, i64, i64 }, ptr %a53
+  %t129 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2482, i64 4, i64 0 })
+  %t130 = load %S.ast.Node, ptr %a2
+  %t131 = call i64 @finch.gen.instFn(ptr %t126, i64 %t127, { ptr, i64, i64 } %t128, %S.ast.Type %t129, %S.ast.Node %t130)
+  store %S.ast.Type %t129, ptr %a132
+  call void @finch.drop.S_ast_Type(ptr %a132)
+  %t133 = load %S.ast.Node, ptr %a2
+  %t134 = load i64, ptr %a4
+  %t135 = load { ptr, i64, i64 }, ptr %a5
+  %t136 = call %S.gen.Val @finch.gen.callFn(ptr %t125, i64 %t131, %S.ast.Node %t133, i64 %t134, { ptr, i64, i64 } %t135, { ptr, i64, i64 } { ptr @.str.2483, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.2484, i64 0, i64 0 })
+  call void @finch.drop.arr_S_ast_Type(ptr %a53)
+  call void @finch.drop.S_ast_Node(ptr %a42)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret %S.gen.Val %t136
+endif4059:
+  store %S.gen.Binds zeroinitializer, ptr %a137
+  %t138 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t138, i32 0, i32 1
+  %t140 = load i64, ptr %t139
+  store i64 0, ptr %a141
+  br label %for.cond4067
+for.cond4067:
+  %t142 = load i64, ptr %a141
+  %t143 = icmp slt i64 %t142, %t140
+  br i1 %t143, label %for.body4068, label %for.end4070
+for.body4068:
+  %t144 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 0
   %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
-  %t146 = load i64, ptr %t145
-  %t147 = add i64 %t146, 1
-  call void @finch_arr_reserve(ptr %t144, i64 %t147, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
-  %t148 = load ptr, ptr %t144
-  %t149 = getelementptr inbounds i1, ptr %t148, i64 %t146
-  store i1 false, ptr %t149
-  store i64 %t147, ptr %t145
-  br label %for.step3851
-for.step3851:
-  %t150 = load i64, ptr %a134
-  %t151 = add i64 %t150, 1
-  store i64 %t151, ptr %a134
-  br label %for.cond3849
-for.end3852:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a152
-  %t153 = load i64, ptr %a47
-  store i64 0, ptr %a154
-  br label %for.cond3853
-for.cond3853:
-  %t155 = load i64, ptr %a154
-  %t156 = icmp slt i64 %t155, %t153
-  br i1 %t156, label %for.body3854, label %for.end3856
-for.body3854:
-  %t157 = load ptr, ptr %a1
-  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t159 = load i64, ptr %a4
-  %t160 = load i64, ptr %a154
-  %t161 = add i64 %t159, %t160
-  %t162 = load { ptr, i64, i64 }, ptr %t158
-  %t163 = extractvalue { ptr, i64, i64 } %t162, 1
-  %t164 = icmp uge i64 %t161, %t163
-  br i1 %t164, label %range3857, label %inrange3858
-range3857:
-  call void @finch_panic_index(ptr @.str.2397, i64 1581, i64 %t161, i64 %t163)
+  %t146 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2485, i64 4, i64 0 })
+  %t147 = load i64, ptr %t145
+  %t148 = add i64 %t147, 1
+  call void @finch_arr_reserve(ptr %t144, i64 %t148, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t149 = load ptr, ptr %t144
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %t149, i64 %t147
+  store %S.ast.Type %t146, ptr %t150
+  store i64 %t148, ptr %t145
+  %t151 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 1
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = load i64, ptr %t152
+  %t154 = add i64 %t153, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t154, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
+  %t155 = load ptr, ptr %t151
+  %t156 = getelementptr inbounds i1, ptr %t155, i64 %t153
+  store i1 false, ptr %t156
+  store i64 %t154, ptr %t152
+  br label %for.step4069
+for.step4069:
+  %t157 = load i64, ptr %a141
+  %t158 = add i64 %t157, 1
+  store i64 %t158, ptr %a141
+  br label %for.cond4067
+for.end4070:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a159
+  %t160 = load ptr, ptr %a1
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic4071, label %ok4072
+panic4071:
+  call void @finch_panic(ptr @.str.2486, i64 1728, ptr @.str.2487)
   unreachable
-inrange3858:
-  %t165 = extractvalue { ptr, i64, i64 } %t162, 0
-  %t166 = getelementptr inbounds %S.ast.Node, ptr %t165, i64 %t161
-  %t167 = load %S.ast.Node, ptr %t166
-  %t168 = call %S.gen.Val @finch.gen.expr(ptr %t157, %S.ast.Node %t167)
-  store %S.gen.Val %t168, ptr %a169
-  %t170 = getelementptr inbounds %S.gen.Val, ptr %a169, i32 0, i32 1
-  %t171 = getelementptr inbounds %S.ast.Type, ptr %t170, i32 0, i32 0
-  %t172 = load { ptr, i64, i64 }, ptr %t171
-  store { ptr, i64, i64 } %t172, ptr %a173
-  store { ptr, i64, i64 } { ptr @.str.2398, i64 4, i64 0 }, ptr %a174
-  %t175 = call i32 @finch_str_eq(ptr %a173, ptr %a174)
-  %t176 = icmp ne i32 %t175, 0
-  br label %logic.from3859
-logic.from3859:
-  br i1 %t176, label %logic.end3861, label %logic.rhs3860
-logic.rhs3860:
-  %t177 = getelementptr inbounds %S.gen.Val, ptr %a169, i32 0, i32 1
-  %t178 = getelementptr inbounds %S.ast.Type, ptr %t177, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
-  store { ptr, i64, i64 } %t179, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.2399, i64 4, i64 0 }, ptr %a181
-  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
-  %t183 = icmp ne i32 %t182, 0
-  br label %logic.rend3862
-logic.rend3862:
-  br label %logic.end3861
-logic.end3861:
-  %t184 = phi i1 [ true, %logic.from3859 ], [ %t183, %logic.rend3862 ]
-  br i1 %t184, label %then3863, label %endif3865
-then3863:
-  %t185 = load ptr, ptr %a1
-  %t186 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t187 = load i64, ptr %a4
-  %t188 = load i64, ptr %a154
-  %t189 = add i64 %t187, %t188
-  %t190 = load { ptr, i64, i64 }, ptr %t186
-  %t191 = extractvalue { ptr, i64, i64 } %t190, 1
-  %t192 = icmp uge i64 %t189, %t191
-  br i1 %t192, label %range3866, label %inrange3867
-range3866:
-  call void @finch_panic_index(ptr @.str.2400, i64 1583, i64 %t189, i64 %t191)
+ok4072:
+  %t162 = getelementptr inbounds %S.gen.Gen, ptr %t160, i32 0, i32 11
+  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
+  %t164 = load i64, ptr %t163
+  store i64 %t164, ptr %a165
+  %t166 = load i64, ptr %a47
+  store i64 0, ptr %a167
+  br label %for.cond4073
+for.cond4073:
+  %t168 = load i64, ptr %a167
+  %t169 = icmp slt i64 %t168, %t166
+  br i1 %t169, label %for.body4074, label %for.end4076
+for.body4074:
+  %t170 = load ptr, ptr %a1
+  %t171 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t172 = load i64, ptr %a4
+  %t173 = load i64, ptr %a167
+  %t174 = add i64 %t172, %t173
+  %t175 = load { ptr, i64, i64 }, ptr %t171
+  %t176 = extractvalue { ptr, i64, i64 } %t175, 1
+  %t177 = icmp uge i64 %t174, %t176
+  br i1 %t177, label %range4077, label %inrange4078
+range4077:
+  call void @finch_panic_index(ptr @.str.2488, i64 1730, i64 %t174, i64 %t176)
   unreachable
-inrange3867:
-  %t193 = extractvalue { ptr, i64, i64 } %t190, 0
-  %t194 = getelementptr inbounds %S.ast.Node, ptr %t193, i64 %t189
-  %t195 = load %S.ast.Node, ptr %t194
-  %t196 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t197 = getelementptr inbounds { ptr, i64, i64 }, ptr %t196, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2402, i64 2, i64 0 }, ptr %a198
-  call void @finch_str_join(ptr %a199, ptr %t196, ptr %a198)
-  %t200 = load { ptr, i64, i64 }, ptr %a199
-  store { ptr, i64, i64 } { ptr @.str.2401, i64 29, i64 0 }, ptr %a202
-  store { ptr, i64, i64 } %t200, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  store { ptr, i64, i64 } %t204, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.2403, i64 5, i64 0 }, ptr %a207
-  call void @finch_str_concat(ptr %a205, ptr %a206, ptr %a207)
-  %t208 = load { ptr, i64, i64 }, ptr %a205
-  call void @finch.gen.fail(ptr %t185, %S.ast.Node %t195, { ptr, i64, i64 } %t208)
-  br label %endif3865
-endif3865:
-  %t209 = getelementptr inbounds { ptr, i64, i64 }, ptr %a152, i32 0, i32 1
-  %t210 = load %S.gen.Val, ptr %a169
-  store %S.gen.Val %t210, ptr %a211
-  call void @finch.copy.S_gen_Val(ptr %a212, ptr %a211)
-  %t213 = load %S.gen.Val, ptr %a212
-  %t214 = load i64, ptr %t209
-  %t215 = add i64 %t214, 1
-  call void @finch_arr_reserve(ptr %a152, i64 %t215, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
-  %t216 = load ptr, ptr %a152
-  %t217 = getelementptr inbounds %S.gen.Val, ptr %t216, i64 %t214
-  store %S.gen.Val %t213, ptr %t217
-  store i64 %t215, ptr %t209
-  %t218 = load ptr, ptr %a1
-  %t219 = getelementptr inbounds %S.ast.Node, ptr %a42, i32 0, i32 9
-  %t220 = load i64, ptr %a154
-  %t221 = load { ptr, i64, i64 }, ptr %t219
-  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
-  %t223 = icmp uge i64 %t220, %t222
-  br i1 %t223, label %range3868, label %inrange3869
-range3868:
-  call void @finch_panic_index(ptr @.str.2404, i64 1586, i64 %t220, i64 %t222)
+inrange4078:
+  %t178 = extractvalue { ptr, i64, i64 } %t175, 0
+  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i64 %t174
+  %t180 = load %S.ast.Node, ptr %t179
+  %t181 = call %S.gen.Val @finch.gen.expr(ptr %t170, %S.ast.Node %t180)
+  store %S.gen.Val %t181, ptr %a182
+  %t183 = getelementptr inbounds %S.gen.Val, ptr %a182, i32 0, i32 1
+  %t184 = getelementptr inbounds %S.ast.Type, ptr %t183, i32 0, i32 0
+  %t185 = load { ptr, i64, i64 }, ptr %t184
+  store { ptr, i64, i64 } %t185, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.2489, i64 4, i64 0 }, ptr %a187
+  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
+  %t189 = icmp ne i32 %t188, 0
+  br label %logic.from4079
+logic.from4079:
+  br i1 %t189, label %logic.end4081, label %logic.rhs4080
+logic.rhs4080:
+  %t190 = getelementptr inbounds %S.gen.Val, ptr %a182, i32 0, i32 1
+  %t191 = getelementptr inbounds %S.ast.Type, ptr %t190, i32 0, i32 0
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  store { ptr, i64, i64 } %t192, ptr %a193
+  store { ptr, i64, i64 } { ptr @.str.2490, i64 4, i64 0 }, ptr %a194
+  %t195 = call i32 @finch_str_eq(ptr %a193, ptr %a194)
+  %t196 = icmp ne i32 %t195, 0
+  br label %logic.rend4082
+logic.rend4082:
+  br label %logic.end4081
+logic.end4081:
+  %t197 = phi i1 [ true, %logic.from4079 ], [ %t196, %logic.rend4082 ]
+  br i1 %t197, label %then4083, label %endif4085
+then4083:
+  %t198 = load ptr, ptr %a1
+  %t199 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t200 = load i64, ptr %a4
+  %t201 = load i64, ptr %a167
+  %t202 = add i64 %t200, %t201
+  %t203 = load { ptr, i64, i64 }, ptr %t199
+  %t204 = extractvalue { ptr, i64, i64 } %t203, 1
+  %t205 = icmp uge i64 %t202, %t204
+  br i1 %t205, label %range4086, label %inrange4087
+range4086:
+  call void @finch_panic_index(ptr @.str.2491, i64 1732, i64 %t202, i64 %t204)
   unreachable
-inrange3869:
-  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
-  %t225 = getelementptr inbounds %S.ast.Node, ptr %t224, i64 %t220
-  %t226 = getelementptr inbounds %S.ast.Node, ptr %t225, i32 0, i32 5
-  %t227 = load %S.ast.Type, ptr %t226
-  %t228 = getelementptr inbounds %S.gen.Val, ptr %a169, i32 0, i32 1
-  %t229 = load %S.ast.Type, ptr %t228
-  %t230 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t231 = load { ptr, i64, i64 }, ptr %t230
-  call void @finch.gen.bindType(ptr %t218, %S.ast.Type %t227, %S.ast.Type %t229, { ptr, i64, i64 } %t231, ptr %a130)
-  br label %for.step3855
-for.step3855:
-  %t232 = load i64, ptr %a154
-  %t233 = add i64 %t232, 1
-  store i64 %t233, ptr %a154
-  br label %for.cond3853
-for.end3856:
-  %t234 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i32 0, i32 1
-  %t236 = load i64, ptr %t235
-  store i64 0, ptr %a237
-  br label %for.cond3870
-for.cond3870:
-  %t238 = load i64, ptr %a237
-  %t239 = icmp slt i64 %t238, %t236
-  br i1 %t239, label %for.body3871, label %for.end3873
-for.body3871:
-  %t240 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 1
-  %t241 = load i64, ptr %a237
-  %t242 = load { ptr, i64, i64 }, ptr %t240
-  %t243 = extractvalue { ptr, i64, i64 } %t242, 1
-  %t244 = icmp uge i64 %t241, %t243
-  br i1 %t244, label %range3874, label %inrange3875
-range3874:
-  call void @finch_panic_index(ptr @.str.2405, i64 1589, i64 %t241, i64 %t243)
+inrange4087:
+  %t206 = extractvalue { ptr, i64, i64 } %t203, 0
+  %t207 = getelementptr inbounds %S.ast.Node, ptr %t206, i64 %t202
+  %t208 = load %S.ast.Node, ptr %t207
+  %t209 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2493, i64 2, i64 0 }, ptr %a211
+  call void @finch_str_join(ptr %a212, ptr %t209, ptr %a211)
+  %t213 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.2492, i64 29, i64 0 }, ptr %a215
+  store { ptr, i64, i64 } %t213, ptr %a216
+  call void @finch_str_concat(ptr %a214, ptr %a215, ptr %a216)
+  store { ptr, i64, i64 } %t213, ptr %a217
+  call void @finch_str_drop(ptr %a217)
+  %t218 = load { ptr, i64, i64 }, ptr %a214
+  store { ptr, i64, i64 } %t218, ptr %a220
+  store { ptr, i64, i64 } { ptr @.str.2494, i64 5, i64 0 }, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t218, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.fail(ptr %t198, %S.ast.Node %t208, { ptr, i64, i64 } %t223)
+  store { ptr, i64, i64 } %t223, ptr %a224
+  call void @finch_str_drop(ptr %a224)
+  br label %endif4085
+endif4085:
+  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %a159, i32 0, i32 1
+  %t226 = load %S.gen.Val, ptr %a182
+  store %S.gen.Val %t226, ptr %a227
+  call void @finch.copy.S_gen_Val(ptr %a228, ptr %a227)
+  %t229 = load %S.gen.Val, ptr %a228
+  %t230 = load i64, ptr %t225
+  %t231 = add i64 %t230, 1
+  call void @finch_arr_reserve(ptr %a159, i64 %t231, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t232 = load ptr, ptr %a159
+  %t233 = getelementptr inbounds %S.gen.Val, ptr %t232, i64 %t230
+  store %S.gen.Val %t229, ptr %t233
+  store i64 %t231, ptr %t225
+  %t234 = load ptr, ptr %a1
+  %t235 = load %S.gen.Val, ptr %a182
+  call void @finch.gen.hold(ptr %t234, %S.gen.Val %t235)
+  %t236 = load ptr, ptr %a1
+  %t237 = getelementptr inbounds %S.ast.Node, ptr %a42, i32 0, i32 9
+  %t238 = load i64, ptr %a167
+  %t239 = load { ptr, i64, i64 }, ptr %t237
+  %t240 = extractvalue { ptr, i64, i64 } %t239, 1
+  %t241 = icmp uge i64 %t238, %t240
+  br i1 %t241, label %range4088, label %inrange4089
+range4088:
+  call void @finch_panic_index(ptr @.str.2495, i64 1736, i64 %t238, i64 %t240)
   unreachable
-inrange3875:
-  %t245 = extractvalue { ptr, i64, i64 } %t242, 0
-  %t246 = getelementptr inbounds i1, ptr %t245, i64 %t241
-  %t247 = load i1, ptr %t246
-  %t248 = xor i1 %t247, true
-  br i1 %t248, label %then3876, label %endif3878
-then3876:
-  %t249 = load ptr, ptr %a1
-  %t250 = load %S.ast.Node, ptr %a2
-  %t251 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t252 = load i64, ptr %a237
-  %t253 = load { ptr, i64, i64 }, ptr %t251
-  %t254 = extractvalue { ptr, i64, i64 } %t253, 1
-  %t255 = icmp uge i64 %t252, %t254
-  br i1 %t255, label %range3879, label %inrange3880
-range3879:
-  call void @finch_panic_index(ptr @.str.2407, i64 1590, i64 %t252, i64 %t254)
+inrange4089:
+  %t242 = extractvalue { ptr, i64, i64 } %t239, 0
+  %t243 = getelementptr inbounds %S.ast.Node, ptr %t242, i64 %t238
+  %t244 = getelementptr inbounds %S.ast.Node, ptr %t243, i32 0, i32 5
+  %t245 = load %S.ast.Type, ptr %t244
+  %t246 = getelementptr inbounds %S.gen.Val, ptr %a182, i32 0, i32 1
+  %t247 = load %S.ast.Type, ptr %t246
+  %t248 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t249 = load { ptr, i64, i64 }, ptr %t248
+  call void @finch.gen.bindType(ptr %t236, %S.ast.Type %t245, %S.ast.Type %t247, { ptr, i64, i64 } %t249, ptr %a137)
+  call void @finch.drop.S_gen_Val(ptr %a182)
+  br label %for.step4075
+for.step4075:
+  %t250 = load i64, ptr %a167
+  %t251 = add i64 %t250, 1
+  store i64 %t251, ptr %a167
+  br label %for.cond4073
+for.end4076:
+  %t252 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t252, i32 0, i32 1
+  %t254 = load i64, ptr %t253
+  store i64 0, ptr %a255
+  br label %for.cond4090
+for.cond4090:
+  %t256 = load i64, ptr %a255
+  %t257 = icmp slt i64 %t256, %t254
+  br i1 %t257, label %for.body4091, label %for.end4093
+for.body4091:
+  %t258 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 1
+  %t259 = load i64, ptr %a255
+  %t260 = load { ptr, i64, i64 }, ptr %t258
+  %t261 = extractvalue { ptr, i64, i64 } %t260, 1
+  %t262 = icmp uge i64 %t259, %t261
+  br i1 %t262, label %range4094, label %inrange4095
+range4094:
+  call void @finch_panic_index(ptr @.str.2496, i64 1739, i64 %t259, i64 %t261)
   unreachable
-inrange3880:
-  %t256 = extractvalue { ptr, i64, i64 } %t253, 0
-  %t257 = getelementptr inbounds { ptr, i64, i64 }, ptr %t256, i64 %t252
-  %t258 = load { ptr, i64, i64 }, ptr %t257
-  store { ptr, i64, i64 } { ptr @.str.2406, i64 16, i64 0 }, ptr %a260
-  store { ptr, i64, i64 } %t258, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.2408, i64 24, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  %t267 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  store { ptr, i64, i64 } %t266, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } %t272, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.2409, i64 10, i64 0 }, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  call void @finch.gen.fail(ptr %t249, %S.ast.Node %t250, { ptr, i64, i64 } %t276)
-  br label %endif3878
-endif3878:
-  br label %for.step3872
-for.step3872:
-  %t277 = load i64, ptr %a237
-  %t278 = add i64 %t277, 1
-  store i64 %t278, ptr %a237
-  br label %for.cond3870
-for.end3873:
-  %t279 = load ptr, ptr %a1
-  %t280 = load i64, ptr %a3
-  %t281 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 0
-  %t282 = load { ptr, i64, i64 }, ptr %t281
-  %t283 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2410, i64 4, i64 0 })
-  %t284 = load %S.ast.Node, ptr %a2
-  %t285 = call i64 @finch.gen.instFn(ptr %t279, i64 %t280, { ptr, i64, i64 } %t282, %S.ast.Type %t283, %S.ast.Node %t284)
-  store i64 %t285, ptr %a286
-  %t287 = load ptr, ptr %a1
-  %t288 = icmp eq ptr %t287, null
-  br i1 %t288, label %panic3881, label %ok3882
-panic3881:
-  call void @finch_panic(ptr @.str.2411, i64 1594, ptr @.str.2412)
+inrange4095:
+  %t263 = extractvalue { ptr, i64, i64 } %t260, 0
+  %t264 = getelementptr inbounds i1, ptr %t263, i64 %t259
+  %t265 = load i1, ptr %t264
+  %t266 = xor i1 %t265, true
+  br i1 %t266, label %then4096, label %endif4098
+then4096:
+  %t267 = load ptr, ptr %a1
+  %t268 = load %S.ast.Node, ptr %a2
+  %t269 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t270 = load i64, ptr %a255
+  %t271 = load { ptr, i64, i64 }, ptr %t269
+  %t272 = extractvalue { ptr, i64, i64 } %t271, 1
+  %t273 = icmp uge i64 %t270, %t272
+  br i1 %t273, label %range4099, label %inrange4100
+range4099:
+  call void @finch_panic_index(ptr @.str.2498, i64 1740, i64 %t270, i64 %t272)
   unreachable
-ok3882:
-  %t289 = getelementptr inbounds %S.gen.Gen, ptr %t287, i32 0, i32 14
-  %t290 = load i64, ptr %a286
-  %t291 = load { ptr, i64, i64 }, ptr %t289
-  %t292 = extractvalue { ptr, i64, i64 } %t291, 1
-  %t293 = icmp uge i64 %t290, %t292
-  br i1 %t293, label %range3883, label %inrange3884
-range3883:
-  call void @finch_panic_index(ptr @.str.2413, i64 1594, i64 %t290, i64 %t292)
-  unreachable
-inrange3884:
-  %t294 = extractvalue { ptr, i64, i64 } %t291, 0
-  %t295 = getelementptr inbounds %S.gen.FnSig, ptr %t294, i64 %t290
-  %t296 = load %S.gen.FnSig, ptr %t295
-  store %S.gen.FnSig %t296, ptr %a297
-  call void @finch.copy.S_gen_FnSig(ptr %a298, ptr %a297)
-  %t299 = load %S.gen.FnSig, ptr %a298
-  store %S.gen.FnSig %t299, ptr %a300
+inrange4100:
+  %t274 = extractvalue { ptr, i64, i64 } %t271, 0
+  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %t274, i64 %t270
+  %t276 = load { ptr, i64, i64 }, ptr %t275
+  store { ptr, i64, i64 } { ptr @.str.2497, i64 16, i64 0 }, ptr %a278
+  store { ptr, i64, i64 } %t276, ptr %a279
+  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
+  %t280 = load { ptr, i64, i64 }, ptr %a277
+  store { ptr, i64, i64 } %t280, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.2499, i64 24, i64 0 }, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t280, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
+  %t286 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t287 = load { ptr, i64, i64 }, ptr %t286
+  store { ptr, i64, i64 } %t285, ptr %a289
+  store { ptr, i64, i64 } %t287, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  store { ptr, i64, i64 } %t285, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  %t292 = load { ptr, i64, i64 }, ptr %a288
+  store { ptr, i64, i64 } %t292, ptr %a294
+  store { ptr, i64, i64 } { ptr @.str.2500, i64 10, i64 0 }, ptr %a295
+  call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
+  store { ptr, i64, i64 } %t292, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a293
+  call void @finch.gen.fail(ptr %t267, %S.ast.Node %t268, { ptr, i64, i64 } %t297)
+  store { ptr, i64, i64 } %t297, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  br label %endif4098
+endif4098:
+  br label %for.step4092
+for.step4092:
+  %t299 = load i64, ptr %a255
+  %t300 = add i64 %t299, 1
+  store i64 %t300, ptr %a255
+  br label %for.cond4090
+for.end4093:
   %t301 = load ptr, ptr %a1
-  %t302 = load %S.ast.Node, ptr %a2
-  %t303 = load %S.gen.FnSig, ptr %a300
-  call void @finch.gen.noteCall(ptr %t301, %S.ast.Node %t302, %S.gen.FnSig %t303)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a304
-  %t305 = load i64, ptr %a47
-  store i64 0, ptr %a306
-  br label %for.cond3885
-for.cond3885:
-  %t307 = load i64, ptr %a306
-  %t308 = icmp slt i64 %t307, %t305
-  br i1 %t308, label %for.body3886, label %for.end3888
-for.body3886:
-  %t309 = load ptr, ptr %a1
-  %t310 = load i64, ptr %a306
-  %t311 = load { ptr, i64, i64 }, ptr %a152
-  %t312 = extractvalue { ptr, i64, i64 } %t311, 1
-  %t313 = icmp uge i64 %t310, %t312
-  br i1 %t313, label %range3889, label %inrange3890
-range3889:
-  call void @finch_panic_index(ptr @.str.2414, i64 1598, i64 %t310, i64 %t312)
+  %t302 = load i64, ptr %a3
+  %t303 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 0
+  %t304 = load { ptr, i64, i64 }, ptr %t303
+  %t305 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2501, i64 4, i64 0 })
+  %t306 = load %S.ast.Node, ptr %a2
+  %t307 = call i64 @finch.gen.instFn(ptr %t301, i64 %t302, { ptr, i64, i64 } %t304, %S.ast.Type %t305, %S.ast.Node %t306)
+  store %S.ast.Type %t305, ptr %a308
+  call void @finch.drop.S_ast_Type(ptr %a308)
+  store i64 %t307, ptr %a309
+  %t310 = load ptr, ptr %a1
+  %t311 = icmp eq ptr %t310, null
+  br i1 %t311, label %panic4101, label %ok4102
+panic4101:
+  call void @finch_panic(ptr @.str.2502, i64 1744, ptr @.str.2503)
   unreachable
-inrange3890:
-  %t314 = extractvalue { ptr, i64, i64 } %t311, 0
-  %t315 = getelementptr inbounds %S.gen.Val, ptr %t314, i64 %t310
-  %t316 = load %S.gen.Val, ptr %t315
-  %t317 = getelementptr inbounds %S.gen.FnSig, ptr %a300, i32 0, i32 13
-  %t318 = load i64, ptr %a306
-  %t319 = load { ptr, i64, i64 }, ptr %t317
-  %t320 = extractvalue { ptr, i64, i64 } %t319, 1
-  %t321 = icmp uge i64 %t318, %t320
-  br i1 %t321, label %range3891, label %inrange3892
-range3891:
-  call void @finch_panic_index(ptr @.str.2415, i64 1598, i64 %t318, i64 %t320)
+ok4102:
+  %t312 = getelementptr inbounds %S.gen.Gen, ptr %t310, i32 0, i32 15
+  %t313 = load i64, ptr %a309
+  %t314 = load { ptr, i64, i64 }, ptr %t312
+  %t315 = extractvalue { ptr, i64, i64 } %t314, 1
+  %t316 = icmp uge i64 %t313, %t315
+  br i1 %t316, label %range4103, label %inrange4104
+range4103:
+  call void @finch_panic_index(ptr @.str.2504, i64 1744, i64 %t313, i64 %t315)
   unreachable
-inrange3892:
-  %t322 = extractvalue { ptr, i64, i64 } %t319, 0
-  %t323 = getelementptr inbounds %S.ast.Type, ptr %t322, i64 %t318
-  %t324 = load %S.ast.Type, ptr %t323
-  %t325 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t326 = load i64, ptr %a4
-  %t327 = load i64, ptr %a306
-  %t328 = add i64 %t326, %t327
-  %t329 = load { ptr, i64, i64 }, ptr %t325
-  %t330 = extractvalue { ptr, i64, i64 } %t329, 1
-  %t331 = icmp uge i64 %t328, %t330
-  br i1 %t331, label %range3893, label %inrange3894
-range3893:
-  call void @finch_panic_index(ptr @.str.2416, i64 1598, i64 %t328, i64 %t330)
+inrange4104:
+  %t317 = extractvalue { ptr, i64, i64 } %t314, 0
+  %t318 = getelementptr inbounds %S.gen.FnSig, ptr %t317, i64 %t313
+  %t319 = load %S.gen.FnSig, ptr %t318
+  store %S.gen.FnSig %t319, ptr %a320
+  call void @finch.copy.S_gen_FnSig(ptr %a321, ptr %a320)
+  %t322 = load %S.gen.FnSig, ptr %a321
+  store %S.gen.FnSig %t322, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = load %S.ast.Node, ptr %a2
+  %t326 = load %S.gen.FnSig, ptr %a323
+  call void @finch.gen.noteCall(ptr %t324, %S.ast.Node %t325, %S.gen.FnSig %t326)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a327
+  %t328 = load i64, ptr %a47
+  store i64 0, ptr %a329
+  br label %for.cond4105
+for.cond4105:
+  %t330 = load i64, ptr %a329
+  %t331 = icmp slt i64 %t330, %t328
+  br i1 %t331, label %for.body4106, label %for.end4108
+for.body4106:
+  %t332 = load ptr, ptr %a1
+  %t333 = load i64, ptr %a329
+  %t334 = load { ptr, i64, i64 }, ptr %a159
+  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
+  %t336 = icmp uge i64 %t333, %t335
+  br i1 %t336, label %range4109, label %inrange4110
+range4109:
+  call void @finch_panic_index(ptr @.str.2505, i64 1748, i64 %t333, i64 %t335)
   unreachable
-inrange3894:
-  %t332 = extractvalue { ptr, i64, i64 } %t329, 0
-  %t333 = getelementptr inbounds %S.ast.Node, ptr %t332, i64 %t328
-  %t334 = load %S.ast.Node, ptr %t333
-  %t335 = getelementptr inbounds %S.gen.FnSig, ptr %a300, i32 0, i32 14
-  %t336 = load i64, ptr %a306
-  %t337 = load { ptr, i64, i64 }, ptr %t335
-  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
-  %t339 = icmp uge i64 %t336, %t338
-  br i1 %t339, label %range3895, label %inrange3896
-range3895:
-  call void @finch_panic_index(ptr @.str.2418, i64 1598, i64 %t336, i64 %t338)
+inrange4110:
+  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
+  %t338 = getelementptr inbounds %S.gen.Val, ptr %t337, i64 %t333
+  %t339 = load %S.gen.Val, ptr %t338
+  %t340 = getelementptr inbounds %S.gen.FnSig, ptr %a323, i32 0, i32 13
+  %t341 = load i64, ptr %a329
+  %t342 = load { ptr, i64, i64 }, ptr %t340
+  %t343 = extractvalue { ptr, i64, i64 } %t342, 1
+  %t344 = icmp uge i64 %t341, %t343
+  br i1 %t344, label %range4111, label %inrange4112
+range4111:
+  call void @finch_panic_index(ptr @.str.2506, i64 1748, i64 %t341, i64 %t343)
   unreachable
-inrange3896:
-  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
-  %t341 = getelementptr inbounds { ptr, i64, i64 }, ptr %t340, i64 %t336
-  %t342 = load { ptr, i64, i64 }, ptr %t341
-  store { ptr, i64, i64 } { ptr @.str.2417, i64 10, i64 0 }, ptr %a344
-  store { ptr, i64, i64 } %t342, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  store { ptr, i64, i64 } %t346, ptr %a348
-  store { ptr, i64, i64 } { ptr @.str.2419, i64 1, i64 0 }, ptr %a349
-  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
-  %t350 = load { ptr, i64, i64 }, ptr %a347
-  %t351 = call %S.gen.Val @finch.gen.coerce(ptr %t309, %S.gen.Val %t316, %S.ast.Type %t324, %S.ast.Node %t334, { ptr, i64, i64 } %t350)
-  store %S.gen.Val %t351, ptr %a352
-  %t353 = getelementptr inbounds { ptr, i64, i64 }, ptr %a304, i32 0, i32 1
-  %t354 = load ptr, ptr %a1
-  %t355 = getelementptr inbounds %S.gen.FnSig, ptr %a300, i32 0, i32 13
-  %t356 = load i64, ptr %a306
-  %t357 = load { ptr, i64, i64 }, ptr %t355
-  %t358 = extractvalue { ptr, i64, i64 } %t357, 1
-  %t359 = icmp uge i64 %t356, %t358
-  br i1 %t359, label %range3897, label %inrange3898
-range3897:
-  call void @finch_panic_index(ptr @.str.2420, i64 1599, i64 %t356, i64 %t358)
+inrange4112:
+  %t345 = extractvalue { ptr, i64, i64 } %t342, 0
+  %t346 = getelementptr inbounds %S.ast.Type, ptr %t345, i64 %t341
+  %t347 = load %S.ast.Type, ptr %t346
+  %t348 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t349 = load i64, ptr %a4
+  %t350 = load i64, ptr %a329
+  %t351 = add i64 %t349, %t350
+  %t352 = load { ptr, i64, i64 }, ptr %t348
+  %t353 = extractvalue { ptr, i64, i64 } %t352, 1
+  %t354 = icmp uge i64 %t351, %t353
+  br i1 %t354, label %range4113, label %inrange4114
+range4113:
+  call void @finch_panic_index(ptr @.str.2507, i64 1748, i64 %t351, i64 %t353)
   unreachable
-inrange3898:
-  %t360 = extractvalue { ptr, i64, i64 } %t357, 0
-  %t361 = getelementptr inbounds %S.ast.Type, ptr %t360, i64 %t356
-  %t362 = load %S.ast.Type, ptr %t361
-  %t363 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t354, %S.ast.Type %t362)
-  store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.2421, i64 1, i64 0 }, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  %t368 = getelementptr inbounds %S.gen.Val, ptr %a352, i32 0, i32 0
-  %t369 = load { ptr, i64, i64 }, ptr %t368
-  store { ptr, i64, i64 } %t367, ptr %a371
-  store { ptr, i64, i64 } %t369, ptr %a372
+inrange4114:
+  %t355 = extractvalue { ptr, i64, i64 } %t352, 0
+  %t356 = getelementptr inbounds %S.ast.Node, ptr %t355, i64 %t351
+  %t357 = load %S.ast.Node, ptr %t356
+  %t358 = getelementptr inbounds %S.gen.FnSig, ptr %a323, i32 0, i32 14
+  %t359 = load i64, ptr %a329
+  %t360 = load { ptr, i64, i64 }, ptr %t358
+  %t361 = extractvalue { ptr, i64, i64 } %t360, 1
+  %t362 = icmp uge i64 %t359, %t361
+  br i1 %t362, label %range4115, label %inrange4116
+range4115:
+  call void @finch_panic_index(ptr @.str.2509, i64 1748, i64 %t359, i64 %t361)
+  unreachable
+inrange4116:
+  %t363 = extractvalue { ptr, i64, i64 } %t360, 0
+  %t364 = getelementptr inbounds { ptr, i64, i64 }, ptr %t363, i64 %t359
+  %t365 = load { ptr, i64, i64 }, ptr %t364
+  store { ptr, i64, i64 } { ptr @.str.2508, i64 10, i64 0 }, ptr %a367
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  %t369 = load { ptr, i64, i64 }, ptr %a366
+  store { ptr, i64, i64 } %t369, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.2510, i64 1, i64 0 }, ptr %a372
   call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = load i64, ptr %t353
-  %t375 = add i64 %t374, 1
-  call void @finch_arr_reserve(ptr %a304, i64 %t375, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t376 = load ptr, ptr %a304
-  %t377 = getelementptr inbounds { ptr, i64, i64 }, ptr %t376, i64 %t374
-  store { ptr, i64, i64 } %t373, ptr %t377
-  store i64 %t375, ptr %t353
-  br label %for.step3887
-for.step3887:
-  %t378 = load i64, ptr %a306
-  %t379 = add i64 %t378, 1
-  store i64 %t379, ptr %a306
-  br label %for.cond3885
-for.end3888:
-  %t380 = load ptr, ptr %a1
-  %t381 = load %S.gen.FnSig, ptr %a300
-  %t382 = load %S.ast.Node, ptr %a2
-  %t383 = load { ptr, i64, i64 }, ptr %a304
-  %t384 = load { ptr, i64, i64 }, ptr %a5
-  %t385 = call %S.gen.Val @finch.gen.emitCall(ptr %t380, %S.gen.FnSig %t381, %S.ast.Node %t382, { ptr, i64, i64 } %t383, { ptr, i64, i64 } %t384)
-  ret %S.gen.Val %t385
+  store { ptr, i64, i64 } %t369, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a370
+  %t375 = call %S.gen.Val @finch.gen.coerce(ptr %t332, %S.gen.Val %t339, %S.ast.Type %t347, %S.ast.Node %t357, { ptr, i64, i64 } %t374)
+  store { ptr, i64, i64 } %t374, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  store %S.gen.Val %t375, ptr %a377
+  %t378 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
+  %t379 = load ptr, ptr %a1
+  %t380 = getelementptr inbounds %S.gen.FnSig, ptr %a323, i32 0, i32 13
+  %t381 = load i64, ptr %a329
+  %t382 = load { ptr, i64, i64 }, ptr %t380
+  %t383 = extractvalue { ptr, i64, i64 } %t382, 1
+  %t384 = icmp uge i64 %t381, %t383
+  br i1 %t384, label %range4117, label %inrange4118
+range4117:
+  call void @finch_panic_index(ptr @.str.2511, i64 1749, i64 %t381, i64 %t383)
+  unreachable
+inrange4118:
+  %t385 = extractvalue { ptr, i64, i64 } %t382, 0
+  %t386 = getelementptr inbounds %S.ast.Type, ptr %t385, i64 %t381
+  %t387 = load %S.ast.Type, ptr %t386
+  %t388 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t379, %S.ast.Type %t387)
+  store { ptr, i64, i64 } %t388, ptr %a390
+  store { ptr, i64, i64 } { ptr @.str.2512, i64 1, i64 0 }, ptr %a391
+  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
+  store { ptr, i64, i64 } %t388, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  %t394 = getelementptr inbounds %S.gen.Val, ptr %a377, i32 0, i32 0
+  %t395 = load { ptr, i64, i64 }, ptr %t394
+  store { ptr, i64, i64 } %t393, ptr %a397
+  store { ptr, i64, i64 } %t395, ptr %a398
+  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
+  store { ptr, i64, i64 } %t393, ptr %a399
+  call void @finch_str_drop(ptr %a399)
+  %t400 = load { ptr, i64, i64 }, ptr %a396
+  %t401 = load i64, ptr %t378
+  %t402 = add i64 %t401, 1
+  call void @finch_arr_reserve(ptr %a327, i64 %t402, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t403 = load ptr, ptr %a327
+  %t404 = getelementptr inbounds { ptr, i64, i64 }, ptr %t403, i64 %t401
+  store { ptr, i64, i64 } %t400, ptr %t404
+  store i64 %t402, ptr %t378
+  call void @finch.drop.S_gen_Val(ptr %a377)
+  br label %for.step4107
+for.step4107:
+  %t405 = load i64, ptr %a329
+  %t406 = add i64 %t405, 1
+  store i64 %t406, ptr %a329
+  br label %for.cond4105
+for.end4108:
+  %t407 = load ptr, ptr %a1
+  %t408 = load %S.gen.FnSig, ptr %a323
+  %t409 = load %S.ast.Node, ptr %a2
+  %t410 = load { ptr, i64, i64 }, ptr %a327
+  %t411 = load { ptr, i64, i64 }, ptr %a5
+  %t412 = call %S.gen.Val @finch.gen.emitCall(ptr %t407, %S.gen.FnSig %t408, %S.ast.Node %t409, { ptr, i64, i64 } %t410, { ptr, i64, i64 } %t411)
+  store %S.gen.Val %t412, ptr %a413
+  store i64 0, ptr %a414
+  br label %each.cond4119
+each.cond4119:
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %a159, i32 0, i32 1
+  %t416 = load i64, ptr %t415
+  %t417 = load i64, ptr %a414
+  %t418 = icmp slt i64 %t417, %t416
+  br i1 %t418, label %each.body4120, label %each.end4122
+each.body4120:
+  %t419 = load ptr, ptr %a159
+  %t420 = getelementptr inbounds %S.gen.Val, ptr %t419, i64 %t417
+  %t421 = load %S.gen.Val, ptr %t420
+  store %S.gen.Val %t421, ptr %a422
+  %t423 = load ptr, ptr %a1
+  %t424 = load %S.gen.Val, ptr %a422
+  call void @finch.gen.release(ptr %t423, %S.gen.Val %t424)
+  br label %each.step4121
+each.step4121:
+  %t425 = load i64, ptr %a414
+  %t426 = add i64 %t425, 1
+  store i64 %t426, ptr %a414
+  br label %each.cond4119
+each.end4122:
+  %t427 = load ptr, ptr %a1
+  %t428 = load i64, ptr %a165
+  call void @finch.gen.heldEnd(ptr %t427, i64 %t428)
+  %t429 = load %S.gen.Val, ptr %a413
+  call void @finch.drop.arr_str(ptr %a327)
+  call void @finch.drop.S_gen_FnSig(ptr %a323)
+  call void @finch.drop.arr_S_gen_Val(ptr %a159)
+  call void @finch.drop.S_gen_Binds(ptr %a137)
+  call void @finch.drop.arr_S_ast_Type(ptr %a53)
+  call void @finch.drop.S_ast_Node(ptr %a42)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret %S.gen.Val %t429
 }
 
 define internal void @finch.copy.S_cimport_CField(ptr %dst, ptr %src) {
@@ -36545,20 +42603,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond3907
-n.cond3907:
+  br label %n.cond4134
+n.cond4134:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body3908, label %n.end3909
-n.body3908:
+  br i1 %t7, label %n.body4135, label %n.end4136
+n.body4135:
   %t8 = getelementptr inbounds %S.cimport.CField, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.cimport.CField, ptr %t2, i64 %t6
   call void @finch.copy.S_cimport_CField(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond3907
-n.end3909:
+  br label %n.cond4134
+n.end4136:
   ret void
 }
 
@@ -36600,64 +42658,74 @@ entry:
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca %S.ast.Type, align 16
-  %a130 = alloca %S.ast.Type, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.ast.Type, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
   %a290 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
   %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3899, label %ok3900
-panic3899:
-  call void @finch_panic(ptr @.str.2422, i64 1607, ptr @.str.2423)
+  br i1 %t4, label %panic4126, label %ok4127
+panic4126:
+  call void @finch_panic(ptr @.str.2513, i64 1762, ptr @.str.2514)
   unreachable
-ok3900:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 24
+ok4127:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 25
   %t6 = getelementptr inbounds %S.cimport.CImports, ptr %t5, i32 0, i32 3
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic3901, label %ok3902
-panic3901:
-  call void @finch_panic(ptr @.str.2424, i64 1607, ptr @.str.2425)
+  br i1 %t8, label %panic4128, label %ok4129
+panic4128:
+  call void @finch_panic(ptr @.str.2515, i64 1762, ptr @.str.2516)
   unreachable
-ok3902:
-  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 15
+ok4129:
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 16
   %t10 = load i64, ptr %a2
   %t11 = load { ptr, i64, i64 }, ptr %t9
   %t12 = extractvalue { ptr, i64, i64 } %t11, 1
   %t13 = icmp uge i64 %t10, %t12
-  br i1 %t13, label %range3903, label %inrange3904
-range3903:
-  call void @finch_panic_index(ptr @.str.2426, i64 1607, i64 %t10, i64 %t12)
+  br i1 %t13, label %range4130, label %inrange4131
+range4130:
+  call void @finch_panic_index(ptr @.str.2517, i64 1762, i64 %t10, i64 %t12)
   unreachable
-inrange3904:
+inrange4131:
   %t14 = extractvalue { ptr, i64, i64 } %t11, 0
   %t15 = getelementptr inbounds %S.gen.StructDef, ptr %t14, i64 %t10
   %t16 = getelementptr inbounds %S.gen.StructDef, ptr %t15, i32 0, i32 1
@@ -36665,14 +42733,14 @@ inrange3904:
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = call i64 @finch_map_find(ptr %t6, ptr %a18, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t20 = icmp slt i64 %t19, 0
-  br i1 %t20, label %map.missing3905, label %map.found3906
-map.missing3905:
+  br i1 %t20, label %map.missing4132, label %map.found4133
+map.missing4132:
   store { ptr, i64, i64 } zeroinitializer, ptr %a21
   store { ptr, i64, i64 } %t17, ptr %a22
   call void @finch_buf_str(ptr %a21, ptr %a22, i32 1)
-  call void @finch_map_missing(ptr @.str.2427, i64 1607, ptr %a21)
+  call void @finch_map_missing(ptr @.str.2518, i64 1762, ptr %a21)
   unreachable
-map.found3906:
+map.found4133:
   %t23 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 0
   %t24 = load ptr, ptr %t23
   %t25 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t24, i64 %t19
@@ -36684,21 +42752,21 @@ map.found3906:
   store %S.cimport.CStruct %t30, ptr %a31
   %t32 = load ptr, ptr %a1
   %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic3910, label %ok3911
-panic3910:
-  call void @finch_panic(ptr @.str.2428, i64 1608, ptr @.str.2429)
+  br i1 %t33, label %panic4137, label %ok4138
+panic4137:
+  call void @finch_panic(ptr @.str.2519, i64 1763, ptr @.str.2520)
   unreachable
-ok3911:
-  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 15
+ok4138:
+  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 16
   %t35 = load i64, ptr %a2
   %t36 = load { ptr, i64, i64 }, ptr %t34
   %t37 = extractvalue { ptr, i64, i64 } %t36, 1
   %t38 = icmp uge i64 %t35, %t37
-  br i1 %t38, label %range3912, label %inrange3913
-range3912:
-  call void @finch_panic_index(ptr @.str.2430, i64 1608, i64 %t35, i64 %t37)
+  br i1 %t38, label %range4139, label %inrange4140
+range4139:
+  call void @finch_panic_index(ptr @.str.2521, i64 1763, i64 %t35, i64 %t37)
   unreachable
-inrange3913:
+inrange4140:
   %t39 = extractvalue { ptr, i64, i64 } %t36, 0
   %t40 = getelementptr inbounds %S.gen.StructDef, ptr %t39, i64 %t35
   %t41 = getelementptr inbounds %S.gen.StructDef, ptr %t40, i32 0, i32 15
@@ -36707,24 +42775,24 @@ inrange3913:
   store { ptr, i64, i64 } zeroinitializer, ptr %a43
   %t44 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 1
   store i64 0, ptr %a45
-  br label %each.cond3914
-each.cond3914:
+  br label %each.cond4141
+each.cond4141:
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = load i64, ptr %a45
   %t49 = icmp slt i64 %t48, %t47
-  br i1 %t49, label %each.body3915, label %each.end3917
-each.body3915:
+  br i1 %t49, label %each.body4142, label %each.end4144
+each.body4142:
   %t50 = load ptr, ptr %t44
   %t51 = getelementptr inbounds %S.cimport.CField, ptr %t50, i64 %t48
   %t52 = load %S.cimport.CField, ptr %t51
   store %S.cimport.CField %t52, ptr %a53
   %t54 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 5
   %t55 = load i1, ptr %t54
-  br i1 %t55, label %then3918, label %endif3920
-then3918:
-  br label %each.step3916
-endif3920:
+  br i1 %t55, label %then4145, label %endif4147
+then4145:
+  br label %each.step4143
+endif4147:
   %t56 = load ptr, ptr %a1
   %t57 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 1
   %t58 = load %S.ast.Type, ptr %t57
@@ -36733,11 +42801,11 @@ endif3920:
   %t61 = getelementptr inbounds %S.ast.Type, ptr %a60, i32 0, i32 0
   %t62 = load { ptr, i64, i64 }, ptr %t61
   store { ptr, i64, i64 } %t62, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.2431, i64 6, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.2522, i64 6, i64 0 }, ptr %a64
   %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
   %t66 = icmp ne i32 %t65, 0
-  br i1 %t66, label %then3921, label %endif3923
-then3921:
+  br i1 %t66, label %then4148, label %endif4150
+then4148:
   %t67 = load ptr, ptr %a1
   %t68 = load ptr, ptr %a1
   %t69 = getelementptr inbounds %S.ast.Type, ptr %a60, i32 0, i32 3
@@ -36746,14 +42814,14 @@ then3921:
   %t72 = load { ptr, i64, i64 }, ptr %t71
   %t73 = call i64 @finch.gen.findStruct(ptr %t68, { ptr, i64, i64 } %t70, { ptr, i64, i64 } %t72)
   call void @finch.gen.resolveStruct(ptr %t67, i64 %t73)
-  br label %endif3923
-endif3923:
+  br label %endif4150
+endif4150:
   %t74 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
   %t75 = load i64, ptr %t74
   %t76 = load i64, ptr %a42
   %t77 = icmp sgt i64 %t75, %t76
-  br i1 %t77, label %then3924, label %endif3926
-then3924:
+  br i1 %t77, label %then4151, label %endif4153
+then4151:
   %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
   %t79 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
   %t80 = load i64, ptr %t79
@@ -36761,373 +42829,398 @@ then3924:
   %t82 = sub i64 %t80, %t81
   call void @finch_str_from_int(ptr %a83, i64 %t82)
   %t84 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.2432, i64 1, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.2523, i64 1, i64 0 }, ptr %a86
   store { ptr, i64, i64 } %t84, ptr %a87
   call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.2433, i64 6, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = load i64, ptr %t78
-  %t94 = add i64 %t93, 1
-  call void @finch_arr_reserve(ptr %a43, i64 %t94, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t95 = load ptr, ptr %a43
-  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i64 %t93
-  store { ptr, i64, i64 } %t92, ptr %t96
-  store i64 %t94, ptr %t78
-  br label %endif3926
-endif3926:
-  %t97 = load ptr, ptr %a1
-  %t98 = icmp eq ptr %t97, null
-  br i1 %t98, label %panic3927, label %ok3928
-panic3927:
-  call void @finch_panic(ptr @.str.2434, i64 1622, ptr @.str.2435)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.2524, i64 6, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  %t95 = load i64, ptr %t78
+  %t96 = add i64 %t95, 1
+  call void @finch_arr_reserve(ptr %a43, i64 %t96, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t97 = load ptr, ptr %a43
+  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %t97, i64 %t95
+  store { ptr, i64, i64 } %t94, ptr %t98
+  store i64 %t96, ptr %t78
+  br label %endif4153
+endif4153:
+  %t99 = load ptr, ptr %a1
+  %t100 = icmp eq ptr %t99, null
+  br i1 %t100, label %panic4154, label %ok4155
+panic4154:
+  call void @finch_panic(ptr @.str.2525, i64 1777, ptr @.str.2526)
   unreachable
-ok3928:
-  %t99 = getelementptr inbounds %S.gen.Gen, ptr %t97, i32 0, i32 15
-  %t100 = load i64, ptr %a2
-  %t101 = load { ptr, i64, i64 }, ptr %t99
-  %t102 = extractvalue { ptr, i64, i64 } %t101, 1
-  %t103 = icmp uge i64 %t100, %t102
-  br i1 %t103, label %range3929, label %inrange3930
-range3929:
-  call void @finch_panic_index(ptr @.str.2436, i64 1622, i64 %t100, i64 %t102)
+ok4155:
+  %t101 = getelementptr inbounds %S.gen.Gen, ptr %t99, i32 0, i32 16
+  %t102 = load i64, ptr %a2
+  %t103 = load { ptr, i64, i64 }, ptr %t101
+  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
+  %t105 = icmp uge i64 %t102, %t104
+  br i1 %t105, label %range4156, label %inrange4157
+range4156:
+  call void @finch_panic_index(ptr @.str.2527, i64 1777, i64 %t102, i64 %t104)
   unreachable
-inrange3930:
-  %t104 = extractvalue { ptr, i64, i64 } %t101, 0
-  %t105 = getelementptr inbounds %S.gen.StructDef, ptr %t104, i64 %t100
-  %t106 = getelementptr inbounds %S.gen.StructDef, ptr %t105, i32 0, i32 11
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i32 0, i32 1
-  %t108 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 0
-  %t109 = load { ptr, i64, i64 }, ptr %t108
-  store { ptr, i64, i64 } %t109, ptr %a110
-  call void @finch_str_copy(ptr %a111, ptr %a110)
-  %t112 = load { ptr, i64, i64 }, ptr %a111
-  %t113 = load i64, ptr %t107
-  %t114 = add i64 %t113, 1
-  call void @finch_arr_reserve(ptr %t106, i64 %t114, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t115 = load ptr, ptr %t106
-  %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 %t113
-  store { ptr, i64, i64 } %t112, ptr %t116
-  store i64 %t114, ptr %t107
-  %t117 = load ptr, ptr %a1
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic3931, label %ok3932
-panic3931:
-  call void @finch_panic(ptr @.str.2437, i64 1623, ptr @.str.2438)
+inrange4157:
+  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
+  %t107 = getelementptr inbounds %S.gen.StructDef, ptr %t106, i64 %t102
+  %t108 = getelementptr inbounds %S.gen.StructDef, ptr %t107, i32 0, i32 11
+  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %t108, i32 0, i32 1
+  %t110 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 0
+  %t111 = load { ptr, i64, i64 }, ptr %t110
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch_str_copy(ptr %a113, ptr %a112)
+  %t114 = load { ptr, i64, i64 }, ptr %a113
+  %t115 = load i64, ptr %t109
+  %t116 = add i64 %t115, 1
+  call void @finch_arr_reserve(ptr %t108, i64 %t116, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t117 = load ptr, ptr %t108
+  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %t117, i64 %t115
+  store { ptr, i64, i64 } %t114, ptr %t118
+  store i64 %t116, ptr %t109
+  %t119 = load ptr, ptr %a1
+  %t120 = icmp eq ptr %t119, null
+  br i1 %t120, label %panic4158, label %ok4159
+panic4158:
+  call void @finch_panic(ptr @.str.2528, i64 1778, ptr @.str.2529)
   unreachable
-ok3932:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 15
-  %t120 = load i64, ptr %a2
-  %t121 = load { ptr, i64, i64 }, ptr %t119
-  %t122 = extractvalue { ptr, i64, i64 } %t121, 1
-  %t123 = icmp uge i64 %t120, %t122
-  br i1 %t123, label %range3933, label %inrange3934
-range3933:
-  call void @finch_panic_index(ptr @.str.2439, i64 1623, i64 %t120, i64 %t122)
+ok4159:
+  %t121 = getelementptr inbounds %S.gen.Gen, ptr %t119, i32 0, i32 16
+  %t122 = load i64, ptr %a2
+  %t123 = load { ptr, i64, i64 }, ptr %t121
+  %t124 = extractvalue { ptr, i64, i64 } %t123, 1
+  %t125 = icmp uge i64 %t122, %t124
+  br i1 %t125, label %range4160, label %inrange4161
+range4160:
+  call void @finch_panic_index(ptr @.str.2530, i64 1778, i64 %t122, i64 %t124)
   unreachable
-inrange3934:
-  %t124 = extractvalue { ptr, i64, i64 } %t121, 0
-  %t125 = getelementptr inbounds %S.gen.StructDef, ptr %t124, i64 %t120
-  %t126 = getelementptr inbounds %S.gen.StructDef, ptr %t125, i32 0, i32 12
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t126, i32 0, i32 1
-  %t128 = load %S.ast.Type, ptr %a60
-  store %S.ast.Type %t128, ptr %a129
-  call void @finch.copy.S_ast_Type(ptr %a130, ptr %a129)
-  %t131 = load %S.ast.Type, ptr %a130
-  %t132 = load i64, ptr %t127
-  %t133 = add i64 %t132, 1
-  call void @finch_arr_reserve(ptr %t126, i64 %t133, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t134 = load ptr, ptr %t126
-  %t135 = getelementptr inbounds %S.ast.Type, ptr %t134, i64 %t132
-  store %S.ast.Type %t131, ptr %t135
-  store i64 %t133, ptr %t127
-  %t136 = load ptr, ptr %a1
-  %t137 = icmp eq ptr %t136, null
-  br i1 %t137, label %panic3935, label %ok3936
-panic3935:
-  call void @finch_panic(ptr @.str.2440, i64 1624, ptr @.str.2441)
+inrange4161:
+  %t126 = extractvalue { ptr, i64, i64 } %t123, 0
+  %t127 = getelementptr inbounds %S.gen.StructDef, ptr %t126, i64 %t122
+  %t128 = getelementptr inbounds %S.gen.StructDef, ptr %t127, i32 0, i32 12
+  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t128, i32 0, i32 1
+  %t130 = load %S.ast.Type, ptr %a60
+  store %S.ast.Type %t130, ptr %a131
+  call void @finch.copy.S_ast_Type(ptr %a132, ptr %a131)
+  %t133 = load %S.ast.Type, ptr %a132
+  %t134 = load i64, ptr %t129
+  %t135 = add i64 %t134, 1
+  call void @finch_arr_reserve(ptr %t128, i64 %t135, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t136 = load ptr, ptr %t128
+  %t137 = getelementptr inbounds %S.ast.Type, ptr %t136, i64 %t134
+  store %S.ast.Type %t133, ptr %t137
+  store i64 %t135, ptr %t129
+  %t138 = load ptr, ptr %a1
+  %t139 = icmp eq ptr %t138, null
+  br i1 %t139, label %panic4162, label %ok4163
+panic4162:
+  call void @finch_panic(ptr @.str.2531, i64 1779, ptr @.str.2532)
   unreachable
-ok3936:
-  %t138 = getelementptr inbounds %S.gen.Gen, ptr %t136, i32 0, i32 15
-  %t139 = load i64, ptr %a2
-  %t140 = load { ptr, i64, i64 }, ptr %t138
-  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
-  %t142 = icmp uge i64 %t139, %t141
-  br i1 %t142, label %range3937, label %inrange3938
-range3937:
-  call void @finch_panic_index(ptr @.str.2442, i64 1624, i64 %t139, i64 %t141)
+ok4163:
+  %t140 = getelementptr inbounds %S.gen.Gen, ptr %t138, i32 0, i32 16
+  %t141 = load i64, ptr %a2
+  %t142 = load { ptr, i64, i64 }, ptr %t140
+  %t143 = extractvalue { ptr, i64, i64 } %t142, 1
+  %t144 = icmp uge i64 %t141, %t143
+  br i1 %t144, label %range4164, label %inrange4165
+range4164:
+  call void @finch_panic_index(ptr @.str.2533, i64 1779, i64 %t141, i64 %t143)
   unreachable
-inrange3938:
-  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
-  %t144 = getelementptr inbounds %S.gen.StructDef, ptr %t143, i64 %t139
-  %t145 = getelementptr inbounds %S.gen.StructDef, ptr %t144, i32 0, i32 3
-  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  %t148 = load i64, ptr %t147
-  %t149 = load i64, ptr %t146
-  %t150 = add i64 %t149, 1
-  call void @finch_arr_reserve(ptr %t145, i64 %t150, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t151 = load ptr, ptr %t145
-  %t152 = getelementptr inbounds i64, ptr %t151, i64 %t149
-  store i64 %t148, ptr %t152
-  store i64 %t150, ptr %t146
-  %t153 = load ptr, ptr %a1
-  %t154 = icmp eq ptr %t153, null
-  br i1 %t154, label %panic3939, label %ok3940
-panic3939:
-  call void @finch_panic(ptr @.str.2443, i64 1625, ptr @.str.2444)
+inrange4165:
+  %t145 = extractvalue { ptr, i64, i64 } %t142, 0
+  %t146 = getelementptr inbounds %S.gen.StructDef, ptr %t145, i64 %t141
+  %t147 = getelementptr inbounds %S.gen.StructDef, ptr %t146, i32 0, i32 3
+  %t148 = getelementptr inbounds { ptr, i64, i64 }, ptr %t147, i32 0, i32 1
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  %t151 = load i64, ptr %t148
+  %t152 = add i64 %t151, 1
+  call void @finch_arr_reserve(ptr %t147, i64 %t152, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t153 = load ptr, ptr %t147
+  %t154 = getelementptr inbounds i64, ptr %t153, i64 %t151
+  store i64 %t150, ptr %t154
+  store i64 %t152, ptr %t148
+  %t155 = load ptr, ptr %a1
+  %t156 = icmp eq ptr %t155, null
+  br i1 %t156, label %panic4166, label %ok4167
+panic4166:
+  call void @finch_panic(ptr @.str.2534, i64 1780, ptr @.str.2535)
   unreachable
-ok3940:
-  %t155 = getelementptr inbounds %S.gen.Gen, ptr %t153, i32 0, i32 15
-  %t156 = load i64, ptr %a2
-  %t157 = load { ptr, i64, i64 }, ptr %t155
-  %t158 = extractvalue { ptr, i64, i64 } %t157, 1
-  %t159 = icmp uge i64 %t156, %t158
-  br i1 %t159, label %range3941, label %inrange3942
-range3941:
-  call void @finch_panic_index(ptr @.str.2445, i64 1625, i64 %t156, i64 %t158)
+ok4167:
+  %t157 = getelementptr inbounds %S.gen.Gen, ptr %t155, i32 0, i32 16
+  %t158 = load i64, ptr %a2
+  %t159 = load { ptr, i64, i64 }, ptr %t157
+  %t160 = extractvalue { ptr, i64, i64 } %t159, 1
+  %t161 = icmp uge i64 %t158, %t160
+  br i1 %t161, label %range4168, label %inrange4169
+range4168:
+  call void @finch_panic_index(ptr @.str.2536, i64 1780, i64 %t158, i64 %t160)
   unreachable
-inrange3942:
-  %t160 = extractvalue { ptr, i64, i64 } %t157, 0
-  %t161 = getelementptr inbounds %S.gen.StructDef, ptr %t160, i64 %t156
-  %t162 = getelementptr inbounds %S.gen.StructDef, ptr %t161, i32 0, i32 4
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
-  %t164 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
-  %t165 = load i64, ptr %t164
-  %t166 = load i64, ptr %t163
-  %t167 = add i64 %t166, 1
-  call void @finch_arr_reserve(ptr %t162, i64 %t167, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t168 = load ptr, ptr %t162
-  %t169 = getelementptr inbounds i64, ptr %t168, i64 %t166
-  store i64 %t165, ptr %t169
-  store i64 %t167, ptr %t163
-  %t170 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  %t171 = load ptr, ptr %a1
-  %t172 = load %S.ast.Type, ptr %a60
-  %t173 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t171, %S.ast.Type %t172)
-  %t174 = load i64, ptr %t170
-  %t175 = add i64 %t174, 1
-  call void @finch_arr_reserve(ptr %a43, i64 %t175, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t176 = load ptr, ptr %a43
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 %t174
-  store { ptr, i64, i64 } %t173, ptr %t177
-  store i64 %t175, ptr %t170
-  %t178 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
-  %t179 = load i64, ptr %t178
-  %t180 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 3
+inrange4169:
+  %t162 = extractvalue { ptr, i64, i64 } %t159, 0
+  %t163 = getelementptr inbounds %S.gen.StructDef, ptr %t162, i64 %t158
+  %t164 = getelementptr inbounds %S.gen.StructDef, ptr %t163, i32 0, i32 4
+  %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i32 0, i32 1
+  %t166 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
+  %t167 = load i64, ptr %t166
+  %t168 = load i64, ptr %t165
+  %t169 = add i64 %t168, 1
+  call void @finch_arr_reserve(ptr %t164, i64 %t169, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t170 = load ptr, ptr %t164
+  %t171 = getelementptr inbounds i64, ptr %t170, i64 %t168
+  store i64 %t167, ptr %t171
+  store i64 %t169, ptr %t165
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  %t173 = load ptr, ptr %a1
+  %t174 = load %S.ast.Type, ptr %a60
+  %t175 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t173, %S.ast.Type %t174)
+  %t176 = load i64, ptr %t172
+  %t177 = add i64 %t176, 1
+  call void @finch_arr_reserve(ptr %a43, i64 %t177, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t178 = load ptr, ptr %a43
+  %t179 = getelementptr inbounds { ptr, i64, i64 }, ptr %t178, i64 %t176
+  store { ptr, i64, i64 } %t175, ptr %t179
+  store i64 %t177, ptr %t172
+  %t180 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
   %t181 = load i64, ptr %t180
-  %t182 = add i64 %t179, %t181
-  store i64 %t182, ptr %a42
-  br label %each.step3916
-each.step3916:
-  %t183 = load i64, ptr %a45
-  %t184 = add i64 %t183, 1
-  store i64 %t184, ptr %a45
-  br label %each.cond3914
-each.end3917:
-  %t185 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
-  %t186 = load i64, ptr %t185
-  %t187 = load i64, ptr %a42
-  %t188 = icmp sgt i64 %t186, %t187
-  br i1 %t188, label %then3943, label %endif3945
-then3943:
-  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  %t190 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
-  %t191 = load i64, ptr %t190
-  %t192 = load i64, ptr %a42
-  %t193 = sub i64 %t191, %t192
-  call void @finch_str_from_int(ptr %a194, i64 %t193)
-  %t195 = load { ptr, i64, i64 }, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.2446, i64 1, i64 0 }, ptr %a197
-  store { ptr, i64, i64 } %t195, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.2447, i64 6, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  %t204 = load i64, ptr %t189
-  %t205 = add i64 %t204, 1
-  call void @finch_arr_reserve(ptr %a43, i64 %t205, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t206 = load ptr, ptr %a43
-  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i64 %t204
-  store { ptr, i64, i64 } %t203, ptr %t207
-  store i64 %t205, ptr %t189
-  br label %endif3945
-endif3945:
-  %t208 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
-  %t209 = load { ptr, i64, i64 }, ptr %t208
-  %t210 = load ptr, ptr %a1
-  %t211 = icmp eq ptr %t210, null
-  br i1 %t211, label %panic3946, label %ok3947
-panic3946:
-  call void @finch_panic(ptr @.str.2448, i64 1632, ptr @.str.2449)
+  %t182 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 3
+  %t183 = load i64, ptr %t182
+  %t184 = add i64 %t181, %t183
+  store i64 %t184, ptr %a42
+  call void @finch.drop.S_ast_Type(ptr %a60)
+  br label %each.step4143
+each.step4143:
+  %t185 = load i64, ptr %a45
+  %t186 = add i64 %t185, 1
+  store i64 %t186, ptr %a45
+  br label %each.cond4141
+each.end4144:
+  %t187 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
+  %t188 = load i64, ptr %t187
+  %t189 = load i64, ptr %a42
+  %t190 = icmp sgt i64 %t188, %t189
+  br i1 %t190, label %then4170, label %endif4172
+then4170:
+  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  %t192 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
+  %t193 = load i64, ptr %t192
+  %t194 = load i64, ptr %a42
+  %t195 = sub i64 %t193, %t194
+  call void @finch_str_from_int(ptr %a196, i64 %t195)
+  %t197 = load { ptr, i64, i64 }, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.2537, i64 1, i64 0 }, ptr %a199
+  store { ptr, i64, i64 } %t197, ptr %a200
+  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
+  store { ptr, i64, i64 } %t197, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = load { ptr, i64, i64 }, ptr %a198
+  store { ptr, i64, i64 } %t202, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.2538, i64 6, i64 0 }, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a203
+  %t208 = load i64, ptr %t191
+  %t209 = add i64 %t208, 1
+  call void @finch_arr_reserve(ptr %a43, i64 %t209, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t210 = load ptr, ptr %a43
+  %t211 = getelementptr inbounds { ptr, i64, i64 }, ptr %t210, i64 %t208
+  store { ptr, i64, i64 } %t207, ptr %t211
+  store i64 %t209, ptr %t191
+  br label %endif4172
+endif4172:
+  %t212 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
+  %t213 = load { ptr, i64, i64 }, ptr %t212
+  %t214 = load ptr, ptr %a1
+  %t215 = icmp eq ptr %t214, null
+  br i1 %t215, label %panic4173, label %ok4174
+panic4173:
+  call void @finch_panic(ptr @.str.2539, i64 1787, ptr @.str.2540)
   unreachable
-ok3947:
-  %t212 = getelementptr inbounds %S.gen.Gen, ptr %t210, i32 0, i32 15
-  %t213 = load i64, ptr %a2
-  %t214 = load { ptr, i64, i64 }, ptr %t212
-  %t215 = extractvalue { ptr, i64, i64 } %t214, 1
-  %t216 = icmp uge i64 %t213, %t215
-  br i1 %t216, label %range3948, label %inrange3949
-range3948:
-  call void @finch_panic_index(ptr @.str.2450, i64 1632, i64 %t213, i64 %t215)
+ok4174:
+  %t216 = getelementptr inbounds %S.gen.Gen, ptr %t214, i32 0, i32 16
+  %t217 = load i64, ptr %a2
+  %t218 = load { ptr, i64, i64 }, ptr %t216
+  %t219 = extractvalue { ptr, i64, i64 } %t218, 1
+  %t220 = icmp uge i64 %t217, %t219
+  br i1 %t220, label %range4175, label %inrange4176
+range4175:
+  call void @finch_panic_index(ptr @.str.2541, i64 1787, i64 %t217, i64 %t219)
   unreachable
-inrange3949:
-  %t217 = extractvalue { ptr, i64, i64 } %t214, 0
-  %t218 = getelementptr inbounds %S.gen.StructDef, ptr %t217, i64 %t213
-  %t219 = getelementptr inbounds %S.gen.StructDef, ptr %t218, i32 0, i32 8
-  store { ptr, i64, i64 } %t209, ptr %a220
-  call void @finch_str_copy(ptr %a221, ptr %a220)
-  %t222 = load { ptr, i64, i64 }, ptr %a221
-  store { ptr, i64, i64 } %t222, ptr %t219
-  %t223 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 5
-  %t224 = load i1, ptr %t223
-  br label %logic.from3950
-logic.from3950:
-  br i1 %t224, label %logic.rhs3951, label %logic.end3952
-logic.rhs3951:
-  %t225 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i32 0, i32 1
-  %t227 = load i64, ptr %t226
-  %t228 = icmp eq i64 %t227, 0
-  br label %logic.rend3953
-logic.rend3953:
-  br label %logic.end3952
-logic.end3952:
-  %t229 = phi i1 [ false, %logic.from3950 ], [ %t228, %logic.rend3953 ]
-  br i1 %t229, label %then3954, label %endif3956
-then3954:
-  %t230 = load ptr, ptr %a1
-  %t231 = icmp eq ptr %t230, null
-  br i1 %t231, label %panic3957, label %ok3958
-panic3957:
-  call void @finch_panic(ptr @.str.2452, i64 1634, ptr @.str.2453)
+inrange4176:
+  %t221 = extractvalue { ptr, i64, i64 } %t218, 0
+  %t222 = getelementptr inbounds %S.gen.StructDef, ptr %t221, i64 %t217
+  %t223 = getelementptr inbounds %S.gen.StructDef, ptr %t222, i32 0, i32 8
+  store { ptr, i64, i64 } %t213, ptr %a224
+  call void @finch_str_copy(ptr %a225, ptr %a224)
+  %t226 = load { ptr, i64, i64 }, ptr %a225
+  %t227 = load { ptr, i64, i64 }, ptr %t223
+  store { ptr, i64, i64 } %t226, ptr %t223
+  store { ptr, i64, i64 } %t227, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 5
+  %t230 = load i1, ptr %t229
+  br label %logic.from4177
+logic.from4177:
+  br i1 %t230, label %logic.rhs4178, label %logic.end4179
+logic.rhs4178:
+  %t231 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
+  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t231, i32 0, i32 1
+  %t233 = load i64, ptr %t232
+  %t234 = icmp eq i64 %t233, 0
+  br label %logic.rend4180
+logic.rend4180:
+  br label %logic.end4179
+logic.end4179:
+  %t235 = phi i1 [ false, %logic.from4177 ], [ %t234, %logic.rend4180 ]
+  br i1 %t235, label %then4181, label %endif4183
+then4181:
+  %t236 = load ptr, ptr %a1
+  %t237 = icmp eq ptr %t236, null
+  br i1 %t237, label %panic4184, label %ok4185
+panic4184:
+  call void @finch_panic(ptr @.str.2543, i64 1789, ptr @.str.2544)
   unreachable
-ok3958:
-  %t232 = getelementptr inbounds %S.gen.Gen, ptr %t230, i32 0, i32 15
-  %t233 = load i64, ptr %a2
-  %t234 = load { ptr, i64, i64 }, ptr %t232
-  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
-  %t236 = icmp uge i64 %t233, %t235
-  br i1 %t236, label %range3959, label %inrange3960
-range3959:
-  call void @finch_panic_index(ptr @.str.2454, i64 1634, i64 %t233, i64 %t235)
+ok4185:
+  %t238 = getelementptr inbounds %S.gen.Gen, ptr %t236, i32 0, i32 16
+  %t239 = load i64, ptr %a2
+  %t240 = load { ptr, i64, i64 }, ptr %t238
+  %t241 = extractvalue { ptr, i64, i64 } %t240, 1
+  %t242 = icmp uge i64 %t239, %t241
+  br i1 %t242, label %range4186, label %inrange4187
+range4186:
+  call void @finch_panic_index(ptr @.str.2545, i64 1789, i64 %t239, i64 %t241)
   unreachable
-inrange3960:
-  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
-  %t238 = getelementptr inbounds %S.gen.StructDef, ptr %t237, i64 %t233
-  %t239 = getelementptr inbounds %S.gen.StructDef, ptr %t238, i32 0, i32 8
-  store { ptr, i64, i64 } { ptr @.str.2451, i64 49, i64 0 }, ptr %t239
-  br label %endif3956
-endif3956:
-  %t240 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
-  %t241 = load i64, ptr %t240
-  %t242 = load ptr, ptr %a1
-  %t243 = icmp eq ptr %t242, null
-  br i1 %t243, label %panic3961, label %ok3962
-panic3961:
-  call void @finch_panic(ptr @.str.2455, i64 1636, ptr @.str.2456)
+inrange4187:
+  %t243 = extractvalue { ptr, i64, i64 } %t240, 0
+  %t244 = getelementptr inbounds %S.gen.StructDef, ptr %t243, i64 %t239
+  %t245 = getelementptr inbounds %S.gen.StructDef, ptr %t244, i32 0, i32 8
+  %t246 = load { ptr, i64, i64 }, ptr %t245
+  store { ptr, i64, i64 } { ptr @.str.2542, i64 49, i64 0 }, ptr %t245
+  store { ptr, i64, i64 } %t246, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  br label %endif4183
+endif4183:
+  %t248 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
+  %t249 = load i64, ptr %t248
+  %t250 = load ptr, ptr %a1
+  %t251 = icmp eq ptr %t250, null
+  br i1 %t251, label %panic4188, label %ok4189
+panic4188:
+  call void @finch_panic(ptr @.str.2546, i64 1791, ptr @.str.2547)
   unreachable
-ok3962:
-  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 15
-  %t245 = load i64, ptr %a2
-  %t246 = load { ptr, i64, i64 }, ptr %t244
-  %t247 = extractvalue { ptr, i64, i64 } %t246, 1
-  %t248 = icmp uge i64 %t245, %t247
-  br i1 %t248, label %range3963, label %inrange3964
-range3963:
-  call void @finch_panic_index(ptr @.str.2457, i64 1636, i64 %t245, i64 %t247)
+ok4189:
+  %t252 = getelementptr inbounds %S.gen.Gen, ptr %t250, i32 0, i32 16
+  %t253 = load i64, ptr %a2
+  %t254 = load { ptr, i64, i64 }, ptr %t252
+  %t255 = extractvalue { ptr, i64, i64 } %t254, 1
+  %t256 = icmp uge i64 %t253, %t255
+  br i1 %t256, label %range4190, label %inrange4191
+range4190:
+  call void @finch_panic_index(ptr @.str.2548, i64 1791, i64 %t253, i64 %t255)
   unreachable
-inrange3964:
-  %t249 = extractvalue { ptr, i64, i64 } %t246, 0
-  %t250 = getelementptr inbounds %S.gen.StructDef, ptr %t249, i64 %t245
-  %t251 = getelementptr inbounds %S.gen.StructDef, ptr %t250, i32 0, i32 9
-  store i64 %t241, ptr %t251
-  %t252 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 3
-  %t253 = load i64, ptr %t252
-  %t254 = load ptr, ptr %a1
-  %t255 = icmp eq ptr %t254, null
-  br i1 %t255, label %panic3965, label %ok3966
-panic3965:
-  call void @finch_panic(ptr @.str.2458, i64 1637, ptr @.str.2459)
+inrange4191:
+  %t257 = extractvalue { ptr, i64, i64 } %t254, 0
+  %t258 = getelementptr inbounds %S.gen.StructDef, ptr %t257, i64 %t253
+  %t259 = getelementptr inbounds %S.gen.StructDef, ptr %t258, i32 0, i32 9
+  store i64 %t249, ptr %t259
+  %t260 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 3
+  %t261 = load i64, ptr %t260
+  %t262 = load ptr, ptr %a1
+  %t263 = icmp eq ptr %t262, null
+  br i1 %t263, label %panic4192, label %ok4193
+panic4192:
+  call void @finch_panic(ptr @.str.2549, i64 1792, ptr @.str.2550)
   unreachable
-ok3966:
-  %t256 = getelementptr inbounds %S.gen.Gen, ptr %t254, i32 0, i32 15
-  %t257 = load i64, ptr %a2
-  %t258 = load { ptr, i64, i64 }, ptr %t256
-  %t259 = extractvalue { ptr, i64, i64 } %t258, 1
-  %t260 = icmp uge i64 %t257, %t259
-  br i1 %t260, label %range3967, label %inrange3968
-range3967:
-  call void @finch_panic_index(ptr @.str.2460, i64 1637, i64 %t257, i64 %t259)
+ok4193:
+  %t264 = getelementptr inbounds %S.gen.Gen, ptr %t262, i32 0, i32 16
+  %t265 = load i64, ptr %a2
+  %t266 = load { ptr, i64, i64 }, ptr %t264
+  %t267 = extractvalue { ptr, i64, i64 } %t266, 1
+  %t268 = icmp uge i64 %t265, %t267
+  br i1 %t268, label %range4194, label %inrange4195
+range4194:
+  call void @finch_panic_index(ptr @.str.2551, i64 1792, i64 %t265, i64 %t267)
   unreachable
-inrange3968:
-  %t261 = extractvalue { ptr, i64, i64 } %t258, 0
-  %t262 = getelementptr inbounds %S.gen.StructDef, ptr %t261, i64 %t257
-  %t263 = getelementptr inbounds %S.gen.StructDef, ptr %t262, i32 0, i32 10
-  store i64 %t253, ptr %t263
-  %t264 = load ptr, ptr %a1
-  %t265 = icmp eq ptr %t264, null
-  br i1 %t265, label %panic3969, label %ok3970
-panic3969:
-  call void @finch_panic(ptr @.str.2461, i64 1638, ptr @.str.2462)
+inrange4195:
+  %t269 = extractvalue { ptr, i64, i64 } %t266, 0
+  %t270 = getelementptr inbounds %S.gen.StructDef, ptr %t269, i64 %t265
+  %t271 = getelementptr inbounds %S.gen.StructDef, ptr %t270, i32 0, i32 10
+  store i64 %t261, ptr %t271
+  %t272 = load ptr, ptr %a1
+  %t273 = icmp eq ptr %t272, null
+  br i1 %t273, label %panic4196, label %ok4197
+panic4196:
+  call void @finch_panic(ptr @.str.2552, i64 1793, ptr @.str.2553)
   unreachable
-ok3970:
-  %t266 = getelementptr inbounds %S.gen.Gen, ptr %t264, i32 0, i32 15
-  %t267 = load i64, ptr %a2
-  %t268 = load { ptr, i64, i64 }, ptr %t266
-  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
-  %t270 = icmp uge i64 %t267, %t269
-  br i1 %t270, label %range3971, label %inrange3972
-range3971:
-  call void @finch_panic_index(ptr @.str.2463, i64 1638, i64 %t267, i64 %t269)
+ok4197:
+  %t274 = getelementptr inbounds %S.gen.Gen, ptr %t272, i32 0, i32 16
+  %t275 = load i64, ptr %a2
+  %t276 = load { ptr, i64, i64 }, ptr %t274
+  %t277 = extractvalue { ptr, i64, i64 } %t276, 1
+  %t278 = icmp uge i64 %t275, %t277
+  br i1 %t278, label %range4198, label %inrange4199
+range4198:
+  call void @finch_panic_index(ptr @.str.2554, i64 1793, i64 %t275, i64 %t277)
   unreachable
-inrange3972:
-  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
-  %t272 = getelementptr inbounds %S.gen.StructDef, ptr %t271, i64 %t267
-  %t273 = getelementptr inbounds %S.gen.StructDef, ptr %t272, i32 0, i32 15
-  store i64 2, ptr %t273
-  %t274 = load ptr, ptr %a1
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic3973, label %ok3974
-panic3973:
-  call void @finch_panic(ptr @.str.2464, i64 1639, ptr @.str.2465)
+inrange4199:
+  %t279 = extractvalue { ptr, i64, i64 } %t276, 0
+  %t280 = getelementptr inbounds %S.gen.StructDef, ptr %t279, i64 %t275
+  %t281 = getelementptr inbounds %S.gen.StructDef, ptr %t280, i32 0, i32 15
+  store i64 2, ptr %t281
+  %t282 = load ptr, ptr %a1
+  %t283 = icmp eq ptr %t282, null
+  br i1 %t283, label %panic4200, label %ok4201
+panic4200:
+  call void @finch_panic(ptr @.str.2555, i64 1794, ptr @.str.2556)
   unreachable
-ok3974:
-  %t276 = getelementptr inbounds %S.gen.Gen, ptr %t274, i32 0, i32 2
-  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %t276, i32 0, i32 1
-  %t278 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 0
-  %t279 = load { ptr, i64, i64 }, ptr %t278
-  store { ptr, i64, i64 } { ptr @.str.2466, i64 5, i64 0 }, ptr %a281
-  store { ptr, i64, i64 } %t279, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } %t283, ptr %a285
-  store { ptr, i64, i64 } { ptr @.str.2467, i64 10, i64 0 }, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2468, i64 2, i64 0 }, ptr %a289
-  call void @finch_str_join(ptr %a290, ptr %a43, ptr %a289)
-  %t291 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t287, ptr %a293
-  store { ptr, i64, i64 } %t291, ptr %a294
+ok4201:
+  %t284 = getelementptr inbounds %S.gen.Gen, ptr %t282, i32 0, i32 2
+  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i32 0, i32 1
+  %t286 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 0
+  %t287 = load { ptr, i64, i64 }, ptr %t286
+  store { ptr, i64, i64 } { ptr @.str.2557, i64 5, i64 0 }, ptr %a289
+  store { ptr, i64, i64 } %t287, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a288
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.2558, i64 10, i64 0 }, ptr %a294
   call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
-  %t295 = load { ptr, i64, i64 }, ptr %a292
-  store { ptr, i64, i64 } %t295, ptr %a297
-  store { ptr, i64, i64 } { ptr @.str.2469, i64 2, i64 0 }, ptr %a298
-  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
-  %t299 = load { ptr, i64, i64 }, ptr %a296
-  %t300 = load i64, ptr %t277
-  %t301 = add i64 %t300, 1
-  call void @finch_arr_reserve(ptr %t276, i64 %t301, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t302 = load ptr, ptr %t276
-  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t302, i64 %t300
-  store { ptr, i64, i64 } %t299, ptr %t303
-  store i64 %t301, ptr %t277
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2559, i64 2, i64 0 }, ptr %a298
+  call void @finch_str_join(ptr %a299, ptr %a43, ptr %a298)
+  %t300 = load { ptr, i64, i64 }, ptr %a299
+  store { ptr, i64, i64 } %t296, ptr %a302
+  store { ptr, i64, i64 } %t300, ptr %a303
+  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
+  store { ptr, i64, i64 } %t296, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  store { ptr, i64, i64 } %t300, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  %t306 = load { ptr, i64, i64 }, ptr %a301
+  store { ptr, i64, i64 } %t306, ptr %a308
+  store { ptr, i64, i64 } { ptr @.str.2560, i64 2, i64 0 }, ptr %a309
+  call void @finch_str_concat(ptr %a307, ptr %a308, ptr %a309)
+  store { ptr, i64, i64 } %t306, ptr %a310
+  call void @finch_str_drop(ptr %a310)
+  %t311 = load { ptr, i64, i64 }, ptr %a307
+  %t312 = load i64, ptr %t285
+  %t313 = add i64 %t312, 1
+  call void @finch_arr_reserve(ptr %t284, i64 %t313, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t314 = load ptr, ptr %t284
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 %t312
+  store { ptr, i64, i64 } %t311, ptr %t315
+  store i64 %t313, ptr %t285
+  call void @finch.drop.arr_str(ptr %a43)
+  call void @finch.drop.S_cimport_CStruct(ptr %a31)
   ret void
 }
 
@@ -37146,114 +43239,121 @@ entry:
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3975, label %ok3976
-panic3975:
-  call void @finch_panic(ptr @.str.2470, i64 1643, ptr @.str.2471)
+  br i1 %t4, label %panic4202, label %ok4203
+panic4202:
+  call void @finch_panic(ptr @.str.2561, i64 1798, ptr @.str.2562)
   unreachable
-ok3976:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 15
+ok4203:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 16
   %t6 = load i64, ptr %a2
   %t7 = load { ptr, i64, i64 }, ptr %t5
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 %t6, %t8
-  br i1 %t9, label %range3977, label %inrange3978
-range3977:
-  call void @finch_panic_index(ptr @.str.2472, i64 1643, i64 %t6, i64 %t8)
+  br i1 %t9, label %range4204, label %inrange4205
+range4204:
+  call void @finch_panic_index(ptr @.str.2563, i64 1798, i64 %t6, i64 %t8)
   unreachable
-inrange3978:
+inrange4205:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.gen.StructDef, ptr %t10, i64 %t6
   %t12 = getelementptr inbounds %S.gen.StructDef, ptr %t11, i32 0, i32 15
   %t13 = load i64, ptr %t12
   %t14 = icmp eq i64 %t13, 2
-  br i1 %t14, label %then3979, label %endif3981
-then3979:
+  br i1 %t14, label %then4206, label %endif4208
+then4206:
   ret void
-endif3981:
+endif4208:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic3982, label %ok3983
-panic3982:
-  call void @finch_panic(ptr @.str.2473, i64 1646, ptr @.str.2474)
+  br i1 %t16, label %panic4209, label %ok4210
+panic4209:
+  call void @finch_panic(ptr @.str.2564, i64 1801, ptr @.str.2565)
   unreachable
-ok3983:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 15
+ok4210:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 16
   %t18 = load i64, ptr %a2
   %t19 = load { ptr, i64, i64 }, ptr %t17
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range3984, label %inrange3985
-range3984:
-  call void @finch_panic_index(ptr @.str.2475, i64 1646, i64 %t18, i64 %t20)
+  br i1 %t21, label %range4211, label %inrange4212
+range4211:
+  call void @finch_panic_index(ptr @.str.2566, i64 1801, i64 %t18, i64 %t20)
   unreachable
-inrange3985:
+inrange4212:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds %S.gen.StructDef, ptr %t22, i64 %t18
   %t24 = getelementptr inbounds %S.gen.StructDef, ptr %t23, i32 0, i32 2
   %t25 = load i1, ptr %t24
-  br i1 %t25, label %then3986, label %endif3988
-then3986:
+  br i1 %t25, label %then4213, label %endif4215
+then4213:
   %t26 = load ptr, ptr %a1
   %t27 = load i64, ptr %a2
   call void @finch.gen.resolveCStruct(ptr %t26, i64 %t27)
   ret void
-endif3988:
+endif4215:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic3989, label %ok3990
-panic3989:
-  call void @finch_panic(ptr @.str.2476, i64 1650, ptr @.str.2477)
+  br i1 %t29, label %panic4216, label %ok4217
+panic4216:
+  call void @finch_panic(ptr @.str.2567, i64 1805, ptr @.str.2568)
   unreachable
-ok3990:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 15
+ok4217:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 16
   %t31 = load i64, ptr %a2
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range3991, label %inrange3992
-range3991:
-  call void @finch_panic_index(ptr @.str.2478, i64 1650, i64 %t31, i64 %t33)
+  br i1 %t34, label %range4218, label %inrange4219
+range4218:
+  call void @finch_panic_index(ptr @.str.2569, i64 1805, i64 %t31, i64 %t33)
   unreachable
-inrange3992:
+inrange4219:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.StructDef, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.StructDef, ptr %t36, i32 0, i32 5
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i32 0, i32 1
   %t39 = load i64, ptr %t38
   %t40 = icmp eq i64 %t39, 0
-  br i1 %t40, label %then3993, label %endif3995
-then3993:
+  br i1 %t40, label %then4220, label %endif4222
+then4220:
   %t41 = load ptr, ptr %a1
   %t42 = load i64, ptr %a2
   call void @finch.gen.resolveStructBody(ptr %t41, i64 %t42)
   ret void
-endif3995:
+endif4222:
   %t43 = load ptr, ptr %a1
   %t44 = icmp eq ptr %t43, null
-  br i1 %t44, label %panic3996, label %ok3997
-panic3996:
-  call void @finch_panic(ptr @.str.2479, i64 1655, ptr @.str.2480)
+  br i1 %t44, label %panic4223, label %ok4224
+panic4223:
+  call void @finch_panic(ptr @.str.2570, i64 1810, ptr @.str.2571)
   unreachable
-ok3997:
-  %t45 = getelementptr inbounds %S.gen.Gen, ptr %t43, i32 0, i32 17
+ok4224:
+  %t45 = getelementptr inbounds %S.gen.Gen, ptr %t43, i32 0, i32 18
   %t46 = load { ptr, i64, i64 }, ptr %t45
   store { ptr, i64, i64 } %t46, ptr %a47
   call void @finch.copy.arr_str(ptr %a48, ptr %a47)
@@ -37261,12 +43361,12 @@ ok3997:
   store { ptr, i64, i64 } %t49, ptr %a50
   %t51 = load ptr, ptr %a1
   %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic3998, label %ok3999
-panic3998:
-  call void @finch_panic(ptr @.str.2481, i64 1656, ptr @.str.2482)
+  br i1 %t52, label %panic4225, label %ok4226
+panic4225:
+  call void @finch_panic(ptr @.str.2572, i64 1811, ptr @.str.2573)
   unreachable
-ok3999:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 18
+ok4226:
+  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 19
   %t54 = load { ptr, i64, i64 }, ptr %t53
   store { ptr, i64, i64 } %t54, ptr %a55
   call void @finch.copy.arr_S_ast_Type(ptr %a56, ptr %a55)
@@ -37274,12 +43374,12 @@ ok3999:
   store { ptr, i64, i64 } %t57, ptr %a58
   %t59 = load ptr, ptr %a1
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic4000, label %ok4001
-panic4000:
-  call void @finch_panic(ptr @.str.2483, i64 1657, ptr @.str.2484)
+  br i1 %t60, label %panic4227, label %ok4228
+panic4227:
+  call void @finch_panic(ptr @.str.2574, i64 1812, ptr @.str.2575)
   unreachable
-ok4001:
-  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 19
+ok4228:
+  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 20
   %t62 = load { ptr, i64, i64 }, ptr %t61
   store { ptr, i64, i64 } %t62, ptr %a63
   call void @finch_str_copy(ptr %a64, ptr %a63)
@@ -37287,150 +43387,173 @@ ok4001:
   store { ptr, i64, i64 } %t65, ptr %a66
   %t67 = load ptr, ptr %a1
   %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic4002, label %ok4003
-panic4002:
-  call void @finch_panic(ptr @.str.2485, i64 1658, ptr @.str.2486)
+  br i1 %t68, label %panic4229, label %ok4230
+panic4229:
+  call void @finch_panic(ptr @.str.2576, i64 1813, ptr @.str.2577)
   unreachable
-ok4003:
-  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 15
+ok4230:
+  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 16
   %t70 = load i64, ptr %a2
   %t71 = load { ptr, i64, i64 }, ptr %t69
   %t72 = extractvalue { ptr, i64, i64 } %t71, 1
   %t73 = icmp uge i64 %t70, %t72
-  br i1 %t73, label %range4004, label %inrange4005
-range4004:
-  call void @finch_panic_index(ptr @.str.2487, i64 1658, i64 %t70, i64 %t72)
+  br i1 %t73, label %range4231, label %inrange4232
+range4231:
+  call void @finch_panic_index(ptr @.str.2578, i64 1813, i64 %t70, i64 %t72)
   unreachable
-inrange4005:
+inrange4232:
   %t74 = extractvalue { ptr, i64, i64 } %t71, 0
   %t75 = getelementptr inbounds %S.gen.StructDef, ptr %t74, i64 %t70
   %t76 = getelementptr inbounds %S.gen.StructDef, ptr %t75, i32 0, i32 6
   %t77 = load { ptr, i64, i64 }, ptr %t76
   %t78 = load ptr, ptr %a1
   %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic4006, label %ok4007
-panic4006:
-  call void @finch_panic(ptr @.str.2488, i64 1658, ptr @.str.2489)
+  br i1 %t79, label %panic4233, label %ok4234
+panic4233:
+  call void @finch_panic(ptr @.str.2579, i64 1813, ptr @.str.2580)
   unreachable
-ok4007:
-  %t80 = getelementptr inbounds %S.gen.Gen, ptr %t78, i32 0, i32 17
+ok4234:
+  %t80 = getelementptr inbounds %S.gen.Gen, ptr %t78, i32 0, i32 18
   store { ptr, i64, i64 } %t77, ptr %a81
   call void @finch.copy.arr_str(ptr %a82, ptr %a81)
   %t83 = load { ptr, i64, i64 }, ptr %a82
+  %t84 = load { ptr, i64, i64 }, ptr %t80
   store { ptr, i64, i64 } %t83, ptr %t80
-  %t84 = load ptr, ptr %a1
-  %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic4008, label %ok4009
-panic4008:
-  call void @finch_panic(ptr @.str.2490, i64 1659, ptr @.str.2491)
+  store { ptr, i64, i64 } %t84, ptr %a85
+  call void @finch.drop.arr_str(ptr %a85)
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic4235, label %ok4236
+panic4235:
+  call void @finch_panic(ptr @.str.2581, i64 1814, ptr @.str.2582)
   unreachable
-ok4009:
-  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 15
-  %t87 = load i64, ptr %a2
-  %t88 = load { ptr, i64, i64 }, ptr %t86
-  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
-  %t90 = icmp uge i64 %t87, %t89
-  br i1 %t90, label %range4010, label %inrange4011
-range4010:
-  call void @finch_panic_index(ptr @.str.2492, i64 1659, i64 %t87, i64 %t89)
+ok4236:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 16
+  %t89 = load i64, ptr %a2
+  %t90 = load { ptr, i64, i64 }, ptr %t88
+  %t91 = extractvalue { ptr, i64, i64 } %t90, 1
+  %t92 = icmp uge i64 %t89, %t91
+  br i1 %t92, label %range4237, label %inrange4238
+range4237:
+  call void @finch_panic_index(ptr @.str.2583, i64 1814, i64 %t89, i64 %t91)
   unreachable
-inrange4011:
-  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
-  %t92 = getelementptr inbounds %S.gen.StructDef, ptr %t91, i64 %t87
-  %t93 = getelementptr inbounds %S.gen.StructDef, ptr %t92, i32 0, i32 7
-  %t94 = load { ptr, i64, i64 }, ptr %t93
-  %t95 = load ptr, ptr %a1
-  %t96 = icmp eq ptr %t95, null
-  br i1 %t96, label %panic4012, label %ok4013
-panic4012:
-  call void @finch_panic(ptr @.str.2493, i64 1659, ptr @.str.2494)
+inrange4238:
+  %t93 = extractvalue { ptr, i64, i64 } %t90, 0
+  %t94 = getelementptr inbounds %S.gen.StructDef, ptr %t93, i64 %t89
+  %t95 = getelementptr inbounds %S.gen.StructDef, ptr %t94, i32 0, i32 7
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  %t97 = load ptr, ptr %a1
+  %t98 = icmp eq ptr %t97, null
+  br i1 %t98, label %panic4239, label %ok4240
+panic4239:
+  call void @finch_panic(ptr @.str.2584, i64 1814, ptr @.str.2585)
   unreachable
-ok4013:
-  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 18
-  store { ptr, i64, i64 } %t94, ptr %a98
-  call void @finch.copy.arr_S_ast_Type(ptr %a99, ptr %a98)
-  %t100 = load { ptr, i64, i64 }, ptr %a99
-  store { ptr, i64, i64 } %t100, ptr %t97
-  %t101 = load ptr, ptr %a1
-  %t102 = icmp eq ptr %t101, null
-  br i1 %t102, label %panic4014, label %ok4015
-panic4014:
-  call void @finch_panic(ptr @.str.2496, i64 1660, ptr @.str.2497)
+ok4240:
+  %t99 = getelementptr inbounds %S.gen.Gen, ptr %t97, i32 0, i32 19
+  store { ptr, i64, i64 } %t96, ptr %a100
+  call void @finch.copy.arr_S_ast_Type(ptr %a101, ptr %a100)
+  %t102 = load { ptr, i64, i64 }, ptr %a101
+  %t103 = load { ptr, i64, i64 }, ptr %t99
+  store { ptr, i64, i64 } %t102, ptr %t99
+  store { ptr, i64, i64 } %t103, ptr %a104
+  call void @finch.drop.arr_S_ast_Type(ptr %a104)
+  %t105 = load ptr, ptr %a1
+  %t106 = icmp eq ptr %t105, null
+  br i1 %t106, label %panic4241, label %ok4242
+panic4241:
+  call void @finch_panic(ptr @.str.2587, i64 1815, ptr @.str.2588)
   unreachable
-ok4015:
-  %t103 = getelementptr inbounds %S.gen.Gen, ptr %t101, i32 0, i32 15
-  %t104 = load i64, ptr %a2
-  %t105 = load { ptr, i64, i64 }, ptr %t103
-  %t106 = extractvalue { ptr, i64, i64 } %t105, 1
-  %t107 = icmp uge i64 %t104, %t106
-  br i1 %t107, label %range4016, label %inrange4017
-range4016:
-  call void @finch_panic_index(ptr @.str.2498, i64 1660, i64 %t104, i64 %t106)
+ok4242:
+  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 16
+  %t108 = load i64, ptr %a2
+  %t109 = load { ptr, i64, i64 }, ptr %t107
+  %t110 = extractvalue { ptr, i64, i64 } %t109, 1
+  %t111 = icmp uge i64 %t108, %t110
+  br i1 %t111, label %range4243, label %inrange4244
+range4243:
+  call void @finch_panic_index(ptr @.str.2589, i64 1815, i64 %t108, i64 %t110)
   unreachable
-inrange4017:
-  %t108 = extractvalue { ptr, i64, i64 } %t105, 0
-  %t109 = getelementptr inbounds %S.gen.StructDef, ptr %t108, i64 %t104
-  %t110 = getelementptr inbounds %S.gen.StructDef, ptr %t109, i32 0, i32 1
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } { ptr @.str.2495, i64 17, i64 0 }, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.2499, i64 1, i64 0 }, ptr %a118
+inrange4244:
+  %t112 = extractvalue { ptr, i64, i64 } %t109, 0
+  %t113 = getelementptr inbounds %S.gen.StructDef, ptr %t112, i64 %t108
+  %t114 = getelementptr inbounds %S.gen.StructDef, ptr %t113, i32 0, i32 1
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } { ptr @.str.2586, i64 17, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
   call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
   %t119 = load { ptr, i64, i64 }, ptr %a116
-  %t120 = load ptr, ptr %a1
-  %t121 = icmp eq ptr %t120, null
-  br i1 %t121, label %panic4018, label %ok4019
-panic4018:
-  call void @finch_panic(ptr @.str.2500, i64 1660, ptr @.str.2501)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.2590, i64 1, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = load ptr, ptr %a1
+  %t126 = icmp eq ptr %t125, null
+  br i1 %t126, label %panic4245, label %ok4246
+panic4245:
+  call void @finch_panic(ptr @.str.2591, i64 1815, ptr @.str.2592)
   unreachable
-ok4019:
-  %t122 = getelementptr inbounds %S.gen.Gen, ptr %t120, i32 0, i32 19
-  store { ptr, i64, i64 } %t119, ptr %t122
-  %t123 = load ptr, ptr %a1
-  %t124 = load i64, ptr %a2
-  call void @finch.gen.resolveStructBody(ptr %t123, i64 %t124)
-  %t125 = load { ptr, i64, i64 }, ptr %a50
-  %t126 = load ptr, ptr %a1
-  %t127 = icmp eq ptr %t126, null
-  br i1 %t127, label %panic4020, label %ok4021
-panic4020:
-  call void @finch_panic(ptr @.str.2502, i64 1662, ptr @.str.2503)
-  unreachable
-ok4021:
-  %t128 = getelementptr inbounds %S.gen.Gen, ptr %t126, i32 0, i32 17
-  store { ptr, i64, i64 } %t125, ptr %a129
-  call void @finch.copy.arr_str(ptr %a130, ptr %a129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t131, ptr %t128
-  %t132 = load { ptr, i64, i64 }, ptr %a58
+ok4246:
+  %t127 = getelementptr inbounds %S.gen.Gen, ptr %t125, i32 0, i32 20
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t124, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load ptr, ptr %a1
+  %t131 = load i64, ptr %a2
+  call void @finch.gen.resolveStructBody(ptr %t130, i64 %t131)
+  %t132 = load { ptr, i64, i64 }, ptr %a50
   %t133 = load ptr, ptr %a1
   %t134 = icmp eq ptr %t133, null
-  br i1 %t134, label %panic4022, label %ok4023
-panic4022:
-  call void @finch_panic(ptr @.str.2504, i64 1663, ptr @.str.2505)
+  br i1 %t134, label %panic4247, label %ok4248
+panic4247:
+  call void @finch_panic(ptr @.str.2593, i64 1817, ptr @.str.2594)
   unreachable
-ok4023:
+ok4248:
   %t135 = getelementptr inbounds %S.gen.Gen, ptr %t133, i32 0, i32 18
   store { ptr, i64, i64 } %t132, ptr %a136
-  call void @finch.copy.arr_S_ast_Type(ptr %a137, ptr %a136)
+  call void @finch.copy.arr_str(ptr %a137, ptr %a136)
   %t138 = load { ptr, i64, i64 }, ptr %a137
+  %t139 = load { ptr, i64, i64 }, ptr %t135
   store { ptr, i64, i64 } %t138, ptr %t135
-  %t139 = load { ptr, i64, i64 }, ptr %a66
-  %t140 = load ptr, ptr %a1
-  %t141 = icmp eq ptr %t140, null
-  br i1 %t141, label %panic4024, label %ok4025
-panic4024:
-  call void @finch_panic(ptr @.str.2506, i64 1664, ptr @.str.2507)
+  store { ptr, i64, i64 } %t139, ptr %a140
+  call void @finch.drop.arr_str(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a58
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic4249, label %ok4250
+panic4249:
+  call void @finch_panic(ptr @.str.2595, i64 1818, ptr @.str.2596)
   unreachable
-ok4025:
-  %t142 = getelementptr inbounds %S.gen.Gen, ptr %t140, i32 0, i32 19
-  store { ptr, i64, i64 } %t139, ptr %a143
-  call void @finch_str_copy(ptr %a144, ptr %a143)
-  %t145 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t145, ptr %t142
+ok4250:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 19
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch.copy.arr_S_ast_Type(ptr %a146, ptr %a145)
+  %t147 = load { ptr, i64, i64 }, ptr %a146
+  %t148 = load { ptr, i64, i64 }, ptr %t144
+  store { ptr, i64, i64 } %t147, ptr %t144
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch.drop.arr_S_ast_Type(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a66
+  %t151 = load ptr, ptr %a1
+  %t152 = icmp eq ptr %t151, null
+  br i1 %t152, label %panic4251, label %ok4252
+panic4251:
+  call void @finch_panic(ptr @.str.2597, i64 1819, ptr @.str.2598)
+  unreachable
+ok4252:
+  %t153 = getelementptr inbounds %S.gen.Gen, ptr %t151, i32 0, i32 20
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_copy(ptr %a155, ptr %a154)
+  %t156 = load { ptr, i64, i64 }, ptr %a155
+  %t157 = load { ptr, i64, i64 }, ptr %t153
+  store { ptr, i64, i64 } %t156, ptr %t153
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  call void @finch_str_drop(ptr %a66)
+  call void @finch.drop.arr_S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a50)
   ret void
 }
 
@@ -37447,83 +43570,99 @@ entry:
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca i1, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca i64, align 16
-  %a134 = alloca %S.ast.Node, align 16
-  %a140 = alloca %S.ast.Type, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca %S.ast.Type, align 16
-  %a214 = alloca %S.ast.Type, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a301 = alloca { ptr, i64, i64 }, align 16
-  %a302 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca i1, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca i64, align 16
+  %a142 = alloca %S.ast.Node, align 16
+  %a148 = alloca %S.ast.Type, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca %S.ast.Type, align 16
+  %a222 = alloca %S.ast.Type, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4026, label %ok4027
-panic4026:
-  call void @finch_panic(ptr @.str.2508, i64 1668, ptr @.str.2509)
+  br i1 %t4, label %panic4253, label %ok4254
+panic4253:
+  call void @finch_panic(ptr @.str.2599, i64 1823, ptr @.str.2600)
   unreachable
-ok4027:
+ok4254:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic4028, label %ok4029
-panic4028:
-  call void @finch_panic(ptr @.str.2510, i64 1668, ptr @.str.2511)
+  br i1 %t7, label %panic4255, label %ok4256
+panic4255:
+  call void @finch_panic(ptr @.str.2601, i64 1823, ptr @.str.2602)
   unreachable
-ok4029:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 15
+ok4256:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
   %t9 = load i64, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range4030, label %inrange4031
-range4030:
-  call void @finch_panic_index(ptr @.str.2512, i64 1668, i64 %t9, i64 %t11)
+  br i1 %t12, label %range4257, label %inrange4258
+range4257:
+  call void @finch_panic_index(ptr @.str.2603, i64 1823, i64 %t9, i64 %t11)
   unreachable
-inrange4031:
+inrange4258:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.StructDef, ptr %t13, i64 %t9
   %t15 = getelementptr inbounds %S.gen.StructDef, ptr %t14, i32 0, i32 13
@@ -37531,31 +43670,31 @@ inrange4031:
   %t17 = load { ptr, i64, i64 }, ptr %t5
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 %t16, %t18
-  br i1 %t19, label %range4032, label %inrange4033
-range4032:
-  call void @finch_panic_index(ptr @.str.2513, i64 1668, i64 %t16, i64 %t18)
+  br i1 %t19, label %range4259, label %inrange4260
+range4259:
+  call void @finch_panic_index(ptr @.str.2604, i64 1823, i64 %t16, i64 %t18)
   unreachable
-inrange4033:
+inrange4260:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.ast.Program, ptr %t20, i64 %t16
   %t22 = getelementptr inbounds %S.ast.Program, ptr %t21, i32 0, i32 6
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic4034, label %ok4035
-panic4034:
-  call void @finch_panic(ptr @.str.2514, i64 1668, ptr @.str.2515)
+  br i1 %t24, label %panic4261, label %ok4262
+panic4261:
+  call void @finch_panic(ptr @.str.2605, i64 1823, ptr @.str.2606)
   unreachable
-ok4035:
-  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 15
+ok4262:
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 16
   %t26 = load i64, ptr %a2
   %t27 = load { ptr, i64, i64 }, ptr %t25
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 %t26, %t28
-  br i1 %t29, label %range4036, label %inrange4037
-range4036:
-  call void @finch_panic_index(ptr @.str.2516, i64 1668, i64 %t26, i64 %t28)
+  br i1 %t29, label %range4263, label %inrange4264
+range4263:
+  call void @finch_panic_index(ptr @.str.2607, i64 1823, i64 %t26, i64 %t28)
   unreachable
-inrange4037:
+inrange4264:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.gen.StructDef, ptr %t30, i64 %t26
   %t32 = getelementptr inbounds %S.gen.StructDef, ptr %t31, i32 0, i32 14
@@ -37563,11 +43702,11 @@ inrange4037:
   %t34 = load { ptr, i64, i64 }, ptr %t22
   %t35 = extractvalue { ptr, i64, i64 } %t34, 1
   %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range4038, label %inrange4039
-range4038:
-  call void @finch_panic_index(ptr @.str.2517, i64 1668, i64 %t33, i64 %t35)
+  br i1 %t36, label %range4265, label %inrange4266
+range4265:
+  call void @finch_panic_index(ptr @.str.2608, i64 1823, i64 %t33, i64 %t35)
   unreachable
-inrange4039:
+inrange4266:
   %t37 = extractvalue { ptr, i64, i64 } %t34, 0
   %t38 = getelementptr inbounds %S.ast.Node, ptr %t37, i64 %t33
   %t39 = load %S.ast.Node, ptr %t38
@@ -37577,455 +43716,493 @@ inrange4039:
   store %S.ast.Node %t42, ptr %a43
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic4040, label %ok4041
-panic4040:
-  call void @finch_panic(ptr @.str.2518, i64 1669, ptr @.str.2519)
+  br i1 %t45, label %panic4267, label %ok4268
+panic4267:
+  call void @finch_panic(ptr @.str.2609, i64 1824, ptr @.str.2610)
   unreachable
-ok4041:
-  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 15
+ok4268:
+  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 16
   %t47 = load i64, ptr %a2
   %t48 = load { ptr, i64, i64 }, ptr %t46
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range4042, label %inrange4043
-range4042:
-  call void @finch_panic_index(ptr @.str.2520, i64 1669, i64 %t47, i64 %t49)
+  br i1 %t50, label %range4269, label %inrange4270
+range4269:
+  call void @finch_panic_index(ptr @.str.2611, i64 1824, i64 %t47, i64 %t49)
   unreachable
-inrange4043:
+inrange4270:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds %S.gen.StructDef, ptr %t51, i64 %t47
   %t53 = getelementptr inbounds %S.gen.StructDef, ptr %t52, i32 0, i32 15
   %t54 = load i64, ptr %t53
   %t55 = icmp eq i64 %t54, 1
-  br i1 %t55, label %then4044, label %endif4046
-then4044:
+  br i1 %t55, label %then4271, label %endif4273
+then4271:
   %t56 = load ptr, ptr %a1
   %t57 = load %S.ast.Node, ptr %a43
   %t58 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
   %t59 = load { ptr, i64, i64 }, ptr %t58
-  store { ptr, i64, i64 } { ptr @.str.2521, i64 11, i64 0 }, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.2612, i64 11, i64 0 }, ptr %a61
   store { ptr, i64, i64 } %t59, ptr %a62
   call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
   %t63 = load { ptr, i64, i64 }, ptr %a60
   store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.2522, i64 26, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2613, i64 26, i64 0 }, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  store { ptr, i64, i64 } %t67, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.2523, i64 7, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  store { ptr, i64, i64 } %t77, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.2524, i64 15, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  call void @finch.gen.fail(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t87)
-  br label %endif4046
-endif4046:
-  %t88 = load ptr, ptr %a1
-  %t89 = icmp eq ptr %t88, null
-  br i1 %t89, label %panic4047, label %ok4048
-panic4047:
-  call void @finch_panic(ptr @.str.2525, i64 1672, ptr @.str.2526)
+  store { ptr, i64, i64 } %t63, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a64
+  %t69 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
+  %t70 = load { ptr, i64, i64 }, ptr %t69
+  store { ptr, i64, i64 } %t68, ptr %a72
+  store { ptr, i64, i64 } %t70, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t68, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } %t75, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.2614, i64 7, i64 0 }, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  store { ptr, i64, i64 } %t80, ptr %a84
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t80, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.2615, i64 15, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  call void @finch.gen.fail(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } %t92, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  br label %endif4273
+endif4273:
+  %t94 = load ptr, ptr %a1
+  %t95 = icmp eq ptr %t94, null
+  br i1 %t95, label %panic4274, label %ok4275
+panic4274:
+  call void @finch_panic(ptr @.str.2616, i64 1827, ptr @.str.2617)
   unreachable
-ok4048:
-  %t90 = getelementptr inbounds %S.gen.Gen, ptr %t88, i32 0, i32 15
-  %t91 = load i64, ptr %a2
-  %t92 = load { ptr, i64, i64 }, ptr %t90
-  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
-  %t94 = icmp uge i64 %t91, %t93
-  br i1 %t94, label %range4049, label %inrange4050
-range4049:
-  call void @finch_panic_index(ptr @.str.2527, i64 1672, i64 %t91, i64 %t93)
+ok4275:
+  %t96 = getelementptr inbounds %S.gen.Gen, ptr %t94, i32 0, i32 16
+  %t97 = load i64, ptr %a2
+  %t98 = load { ptr, i64, i64 }, ptr %t96
+  %t99 = extractvalue { ptr, i64, i64 } %t98, 1
+  %t100 = icmp uge i64 %t97, %t99
+  br i1 %t100, label %range4276, label %inrange4277
+range4276:
+  call void @finch_panic_index(ptr @.str.2618, i64 1827, i64 %t97, i64 %t99)
   unreachable
-inrange4050:
-  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
-  %t96 = getelementptr inbounds %S.gen.StructDef, ptr %t95, i64 %t91
-  %t97 = getelementptr inbounds %S.gen.StructDef, ptr %t96, i32 0, i32 15
-  store i64 1, ptr %t97
-  %t98 = load ptr, ptr %a1
-  %t99 = icmp eq ptr %t98, null
-  br i1 %t99, label %panic4051, label %ok4052
-panic4051:
-  call void @finch_panic(ptr @.str.2528, i64 1673, ptr @.str.2529)
+inrange4277:
+  %t101 = extractvalue { ptr, i64, i64 } %t98, 0
+  %t102 = getelementptr inbounds %S.gen.StructDef, ptr %t101, i64 %t97
+  %t103 = getelementptr inbounds %S.gen.StructDef, ptr %t102, i32 0, i32 15
+  store i64 1, ptr %t103
+  %t104 = load ptr, ptr %a1
+  %t105 = icmp eq ptr %t104, null
+  br i1 %t105, label %panic4278, label %ok4279
+panic4278:
+  call void @finch_panic(ptr @.str.2619, i64 1828, ptr @.str.2620)
   unreachable
-ok4052:
-  %t100 = getelementptr inbounds %S.gen.Gen, ptr %t98, i32 0, i32 13
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  store { ptr, i64, i64 } %t101, ptr %a102
-  call void @finch_str_copy(ptr %a103, ptr %a102)
-  %t104 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t104, ptr %a105
-  %t106 = load ptr, ptr %a1
-  %t107 = icmp eq ptr %t106, null
-  br i1 %t107, label %panic4053, label %ok4054
-panic4053:
-  call void @finch_panic(ptr @.str.2530, i64 1674, ptr @.str.2531)
+ok4279:
+  %t106 = getelementptr inbounds %S.gen.Gen, ptr %t104, i32 0, i32 14
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t107, ptr %a108
+  call void @finch_str_copy(ptr %a109, ptr %a108)
+  %t110 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  %t112 = load ptr, ptr %a1
+  %t113 = icmp eq ptr %t112, null
+  br i1 %t113, label %panic4280, label %ok4281
+panic4280:
+  call void @finch_panic(ptr @.str.2621, i64 1829, ptr @.str.2622)
   unreachable
-ok4054:
-  %t108 = getelementptr inbounds %S.gen.Gen, ptr %t106, i32 0, i32 15
-  %t109 = load i64, ptr %a2
-  %t110 = load { ptr, i64, i64 }, ptr %t108
-  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
-  %t112 = icmp uge i64 %t109, %t111
-  br i1 %t112, label %range4055, label %inrange4056
-range4055:
-  call void @finch_panic_index(ptr @.str.2532, i64 1674, i64 %t109, i64 %t111)
+ok4281:
+  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 16
+  %t115 = load i64, ptr %a2
+  %t116 = load { ptr, i64, i64 }, ptr %t114
+  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
+  %t118 = icmp uge i64 %t115, %t117
+  br i1 %t118, label %range4282, label %inrange4283
+range4282:
+  call void @finch_panic_index(ptr @.str.2623, i64 1829, i64 %t115, i64 %t117)
   unreachable
-inrange4056:
-  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
-  %t114 = getelementptr inbounds %S.gen.StructDef, ptr %t113, i64 %t109
-  %t115 = getelementptr inbounds %S.gen.StructDef, ptr %t114, i32 0, i32 0
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  %t117 = load ptr, ptr %a1
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic4057, label %ok4058
-panic4057:
-  call void @finch_panic(ptr @.str.2533, i64 1674, ptr @.str.2534)
+inrange4283:
+  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
+  %t120 = getelementptr inbounds %S.gen.StructDef, ptr %t119, i64 %t115
+  %t121 = getelementptr inbounds %S.gen.StructDef, ptr %t120, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  %t123 = load ptr, ptr %a1
+  %t124 = icmp eq ptr %t123, null
+  br i1 %t124, label %panic4284, label %ok4285
+panic4284:
+  call void @finch_panic(ptr @.str.2624, i64 1829, ptr @.str.2625)
   unreachable
-ok4058:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 13
-  store { ptr, i64, i64 } %t116, ptr %a120
-  call void @finch_str_copy(ptr %a121, ptr %a120)
-  %t122 = load { ptr, i64, i64 }, ptr %a121
-  store { ptr, i64, i64 } %t122, ptr %t119
-  store i1 false, ptr %a123
-  store { ptr, i64, i64 } zeroinitializer, ptr %a124
-  %t125 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 9
-  store i64 0, ptr %a126
-  br label %each.cond4059
-each.cond4059:
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t125, i32 0, i32 1
-  %t128 = load i64, ptr %t127
-  %t129 = load i64, ptr %a126
-  %t130 = icmp slt i64 %t129, %t128
-  br i1 %t130, label %each.body4060, label %each.end4062
-each.body4060:
-  %t131 = load ptr, ptr %t125
-  %t132 = getelementptr inbounds %S.ast.Node, ptr %t131, i64 %t129
-  %t133 = load %S.ast.Node, ptr %t132
-  store %S.ast.Node %t133, ptr %a134
-  %t135 = load ptr, ptr %a1
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %a134, i32 0, i32 5
-  %t137 = load %S.ast.Type, ptr %t136
-  %t138 = load %S.ast.Node, ptr %a134
-  %t139 = call %S.ast.Type @finch.gen.resolve(ptr %t135, %S.ast.Type %t137, %S.ast.Node %t138)
-  store %S.ast.Type %t139, ptr %a140
-  %t141 = getelementptr inbounds %S.ast.Type, ptr %a140, i32 0, i32 0
-  %t142 = load { ptr, i64, i64 }, ptr %t141
-  store { ptr, i64, i64 } %t142, ptr %a143
-  store { ptr, i64, i64 } { ptr @.str.2535, i64 6, i64 0 }, ptr %a144
-  %t145 = call i32 @finch_str_eq(ptr %a143, ptr %a144)
-  %t146 = icmp ne i32 %t145, 0
-  br i1 %t146, label %then4063, label %endif4065
-then4063:
-  %t147 = load ptr, ptr %a1
-  %t148 = load ptr, ptr %a1
-  %t149 = getelementptr inbounds %S.ast.Type, ptr %a140, i32 0, i32 3
+ok4285:
+  %t125 = getelementptr inbounds %S.gen.Gen, ptr %t123, i32 0, i32 14
+  store { ptr, i64, i64 } %t122, ptr %a126
+  call void @finch_str_copy(ptr %a127, ptr %a126)
+  %t128 = load { ptr, i64, i64 }, ptr %a127
+  %t129 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t128, ptr %t125
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  store i1 false, ptr %a131
+  store { ptr, i64, i64 } zeroinitializer, ptr %a132
+  %t133 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 9
+  store i64 0, ptr %a134
+  br label %each.cond4286
+each.cond4286:
+  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t136 = load i64, ptr %t135
+  %t137 = load i64, ptr %a134
+  %t138 = icmp slt i64 %t137, %t136
+  br i1 %t138, label %each.body4287, label %each.end4289
+each.body4287:
+  %t139 = load ptr, ptr %t133
+  %t140 = getelementptr inbounds %S.ast.Node, ptr %t139, i64 %t137
+  %t141 = load %S.ast.Node, ptr %t140
+  store %S.ast.Node %t141, ptr %a142
+  %t143 = load ptr, ptr %a1
+  %t144 = getelementptr inbounds %S.ast.Node, ptr %a142, i32 0, i32 5
+  %t145 = load %S.ast.Type, ptr %t144
+  %t146 = load %S.ast.Node, ptr %a142
+  %t147 = call %S.ast.Type @finch.gen.resolve(ptr %t143, %S.ast.Type %t145, %S.ast.Node %t146)
+  store %S.ast.Type %t147, ptr %a148
+  %t149 = getelementptr inbounds %S.ast.Type, ptr %a148, i32 0, i32 0
   %t150 = load { ptr, i64, i64 }, ptr %t149
-  %t151 = getelementptr inbounds %S.ast.Type, ptr %a140, i32 0, i32 2
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  %t153 = call i64 @finch.gen.findStruct(ptr %t148, { ptr, i64, i64 } %t150, { ptr, i64, i64 } %t152)
-  call void @finch.gen.resolveStruct(ptr %t147, i64 %t153)
-  br label %endif4065
-endif4065:
-  %t154 = load ptr, ptr %a1
-  %t155 = icmp eq ptr %t154, null
-  br i1 %t155, label %panic4066, label %ok4067
-panic4066:
-  call void @finch_panic(ptr @.str.2536, i64 1682, ptr @.str.2537)
+  store { ptr, i64, i64 } %t150, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.2626, i64 6, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
+  %t154 = icmp ne i32 %t153, 0
+  br i1 %t154, label %then4290, label %endif4292
+then4290:
+  %t155 = load ptr, ptr %a1
+  %t156 = load ptr, ptr %a1
+  %t157 = getelementptr inbounds %S.ast.Type, ptr %a148, i32 0, i32 3
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  %t159 = getelementptr inbounds %S.ast.Type, ptr %a148, i32 0, i32 2
+  %t160 = load { ptr, i64, i64 }, ptr %t159
+  %t161 = call i64 @finch.gen.findStruct(ptr %t156, { ptr, i64, i64 } %t158, { ptr, i64, i64 } %t160)
+  call void @finch.gen.resolveStruct(ptr %t155, i64 %t161)
+  br label %endif4292
+endif4292:
+  %t162 = load ptr, ptr %a1
+  %t163 = icmp eq ptr %t162, null
+  br i1 %t163, label %panic4293, label %ok4294
+panic4293:
+  call void @finch_panic(ptr @.str.2627, i64 1837, ptr @.str.2628)
   unreachable
-ok4067:
-  %t156 = getelementptr inbounds %S.gen.Gen, ptr %t154, i32 0, i32 15
-  %t157 = load i64, ptr %a2
-  %t158 = load { ptr, i64, i64 }, ptr %t156
-  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
-  %t160 = icmp uge i64 %t157, %t159
-  br i1 %t160, label %range4068, label %inrange4069
-range4068:
-  call void @finch_panic_index(ptr @.str.2538, i64 1682, i64 %t157, i64 %t159)
+ok4294:
+  %t164 = getelementptr inbounds %S.gen.Gen, ptr %t162, i32 0, i32 16
+  %t165 = load i64, ptr %a2
+  %t166 = load { ptr, i64, i64 }, ptr %t164
+  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
+  %t168 = icmp uge i64 %t165, %t167
+  br i1 %t168, label %range4295, label %inrange4296
+range4295:
+  call void @finch_panic_index(ptr @.str.2629, i64 1837, i64 %t165, i64 %t167)
   unreachable
-inrange4069:
-  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
-  %t162 = getelementptr inbounds %S.gen.StructDef, ptr %t161, i64 %t157
-  %t163 = getelementptr inbounds %S.gen.StructDef, ptr %t162, i32 0, i32 3
-  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i32 0, i32 1
-  %t165 = load ptr, ptr %a1
-  %t166 = icmp eq ptr %t165, null
-  br i1 %t166, label %panic4070, label %ok4071
-panic4070:
-  call void @finch_panic(ptr @.str.2539, i64 1682, ptr @.str.2540)
+inrange4296:
+  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
+  %t170 = getelementptr inbounds %S.gen.StructDef, ptr %t169, i64 %t165
+  %t171 = getelementptr inbounds %S.gen.StructDef, ptr %t170, i32 0, i32 3
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %t171, i32 0, i32 1
+  %t173 = load ptr, ptr %a1
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic4297, label %ok4298
+panic4297:
+  call void @finch_panic(ptr @.str.2630, i64 1837, ptr @.str.2631)
   unreachable
-ok4071:
-  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 15
-  %t168 = load i64, ptr %a2
-  %t169 = load { ptr, i64, i64 }, ptr %t167
-  %t170 = extractvalue { ptr, i64, i64 } %t169, 1
-  %t171 = icmp uge i64 %t168, %t170
-  br i1 %t171, label %range4072, label %inrange4073
-range4072:
-  call void @finch_panic_index(ptr @.str.2541, i64 1682, i64 %t168, i64 %t170)
+ok4298:
+  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 16
+  %t176 = load i64, ptr %a2
+  %t177 = load { ptr, i64, i64 }, ptr %t175
+  %t178 = extractvalue { ptr, i64, i64 } %t177, 1
+  %t179 = icmp uge i64 %t176, %t178
+  br i1 %t179, label %range4299, label %inrange4300
+range4299:
+  call void @finch_panic_index(ptr @.str.2632, i64 1837, i64 %t176, i64 %t178)
   unreachable
-inrange4073:
-  %t172 = extractvalue { ptr, i64, i64 } %t169, 0
-  %t173 = getelementptr inbounds %S.gen.StructDef, ptr %t172, i64 %t168
-  %t174 = getelementptr inbounds %S.gen.StructDef, ptr %t173, i32 0, i32 11
-  %t175 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i32 0, i32 1
-  %t176 = load i64, ptr %t175
-  %t177 = load i64, ptr %t164
-  %t178 = add i64 %t177, 1
-  call void @finch_arr_reserve(ptr %t163, i64 %t178, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t179 = load ptr, ptr %t163
-  %t180 = getelementptr inbounds i64, ptr %t179, i64 %t177
-  store i64 %t176, ptr %t180
-  store i64 %t178, ptr %t164
-  %t181 = load ptr, ptr %a1
-  %t182 = icmp eq ptr %t181, null
-  br i1 %t182, label %panic4074, label %ok4075
-panic4074:
-  call void @finch_panic(ptr @.str.2542, i64 1683, ptr @.str.2543)
+inrange4300:
+  %t180 = extractvalue { ptr, i64, i64 } %t177, 0
+  %t181 = getelementptr inbounds %S.gen.StructDef, ptr %t180, i64 %t176
+  %t182 = getelementptr inbounds %S.gen.StructDef, ptr %t181, i32 0, i32 11
+  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i32 0, i32 1
+  %t184 = load i64, ptr %t183
+  %t185 = load i64, ptr %t172
+  %t186 = add i64 %t185, 1
+  call void @finch_arr_reserve(ptr %t171, i64 %t186, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t187 = load ptr, ptr %t171
+  %t188 = getelementptr inbounds i64, ptr %t187, i64 %t185
+  store i64 %t184, ptr %t188
+  store i64 %t186, ptr %t172
+  %t189 = load ptr, ptr %a1
+  %t190 = icmp eq ptr %t189, null
+  br i1 %t190, label %panic4301, label %ok4302
+panic4301:
+  call void @finch_panic(ptr @.str.2633, i64 1838, ptr @.str.2634)
   unreachable
-ok4075:
-  %t183 = getelementptr inbounds %S.gen.Gen, ptr %t181, i32 0, i32 15
-  %t184 = load i64, ptr %a2
-  %t185 = load { ptr, i64, i64 }, ptr %t183
-  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
-  %t187 = icmp uge i64 %t184, %t186
-  br i1 %t187, label %range4076, label %inrange4077
-range4076:
-  call void @finch_panic_index(ptr @.str.2544, i64 1683, i64 %t184, i64 %t186)
+ok4302:
+  %t191 = getelementptr inbounds %S.gen.Gen, ptr %t189, i32 0, i32 16
+  %t192 = load i64, ptr %a2
+  %t193 = load { ptr, i64, i64 }, ptr %t191
+  %t194 = extractvalue { ptr, i64, i64 } %t193, 1
+  %t195 = icmp uge i64 %t192, %t194
+  br i1 %t195, label %range4303, label %inrange4304
+range4303:
+  call void @finch_panic_index(ptr @.str.2635, i64 1838, i64 %t192, i64 %t194)
   unreachable
-inrange4077:
-  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
-  %t189 = getelementptr inbounds %S.gen.StructDef, ptr %t188, i64 %t184
-  %t190 = getelementptr inbounds %S.gen.StructDef, ptr %t189, i32 0, i32 11
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t190, i32 0, i32 1
-  %t192 = getelementptr inbounds %S.ast.Node, ptr %a134, i32 0, i32 1
-  %t193 = load { ptr, i64, i64 }, ptr %t192
-  store { ptr, i64, i64 } %t193, ptr %a194
-  call void @finch_str_copy(ptr %a195, ptr %a194)
-  %t196 = load { ptr, i64, i64 }, ptr %a195
-  %t197 = load i64, ptr %t191
-  %t198 = add i64 %t197, 1
-  call void @finch_arr_reserve(ptr %t190, i64 %t198, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t199 = load ptr, ptr %t190
-  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i64 %t197
-  store { ptr, i64, i64 } %t196, ptr %t200
-  store i64 %t198, ptr %t191
-  %t201 = load ptr, ptr %a1
-  %t202 = icmp eq ptr %t201, null
-  br i1 %t202, label %panic4078, label %ok4079
-panic4078:
-  call void @finch_panic(ptr @.str.2545, i64 1684, ptr @.str.2546)
+inrange4304:
+  %t196 = extractvalue { ptr, i64, i64 } %t193, 0
+  %t197 = getelementptr inbounds %S.gen.StructDef, ptr %t196, i64 %t192
+  %t198 = getelementptr inbounds %S.gen.StructDef, ptr %t197, i32 0, i32 11
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t198, i32 0, i32 1
+  %t200 = getelementptr inbounds %S.ast.Node, ptr %a142, i32 0, i32 1
+  %t201 = load { ptr, i64, i64 }, ptr %t200
+  store { ptr, i64, i64 } %t201, ptr %a202
+  call void @finch_str_copy(ptr %a203, ptr %a202)
+  %t204 = load { ptr, i64, i64 }, ptr %a203
+  %t205 = load i64, ptr %t199
+  %t206 = add i64 %t205, 1
+  call void @finch_arr_reserve(ptr %t198, i64 %t206, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t207 = load ptr, ptr %t198
+  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %t207, i64 %t205
+  store { ptr, i64, i64 } %t204, ptr %t208
+  store i64 %t206, ptr %t199
+  %t209 = load ptr, ptr %a1
+  %t210 = icmp eq ptr %t209, null
+  br i1 %t210, label %panic4305, label %ok4306
+panic4305:
+  call void @finch_panic(ptr @.str.2636, i64 1839, ptr @.str.2637)
   unreachable
-ok4079:
-  %t203 = getelementptr inbounds %S.gen.Gen, ptr %t201, i32 0, i32 15
-  %t204 = load i64, ptr %a2
-  %t205 = load { ptr, i64, i64 }, ptr %t203
-  %t206 = extractvalue { ptr, i64, i64 } %t205, 1
-  %t207 = icmp uge i64 %t204, %t206
-  br i1 %t207, label %range4080, label %inrange4081
-range4080:
-  call void @finch_panic_index(ptr @.str.2547, i64 1684, i64 %t204, i64 %t206)
+ok4306:
+  %t211 = getelementptr inbounds %S.gen.Gen, ptr %t209, i32 0, i32 16
+  %t212 = load i64, ptr %a2
+  %t213 = load { ptr, i64, i64 }, ptr %t211
+  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
+  %t215 = icmp uge i64 %t212, %t214
+  br i1 %t215, label %range4307, label %inrange4308
+range4307:
+  call void @finch_panic_index(ptr @.str.2638, i64 1839, i64 %t212, i64 %t214)
   unreachable
-inrange4081:
-  %t208 = extractvalue { ptr, i64, i64 } %t205, 0
-  %t209 = getelementptr inbounds %S.gen.StructDef, ptr %t208, i64 %t204
-  %t210 = getelementptr inbounds %S.gen.StructDef, ptr %t209, i32 0, i32 12
-  %t211 = getelementptr inbounds { ptr, i64, i64 }, ptr %t210, i32 0, i32 1
-  %t212 = load %S.ast.Type, ptr %a140
-  store %S.ast.Type %t212, ptr %a213
-  call void @finch.copy.S_ast_Type(ptr %a214, ptr %a213)
-  %t215 = load %S.ast.Type, ptr %a214
-  %t216 = load i64, ptr %t211
-  %t217 = add i64 %t216, 1
-  call void @finch_arr_reserve(ptr %t210, i64 %t217, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t218 = load ptr, ptr %t210
-  %t219 = getelementptr inbounds %S.ast.Type, ptr %t218, i64 %t216
-  store %S.ast.Type %t215, ptr %t219
-  store i64 %t217, ptr %t211
-  %t220 = load ptr, ptr %a1
-  %t221 = load %S.ast.Type, ptr %a140
-  %t222 = call i1 @finch.gen.owning(ptr %t220, %S.ast.Type %t221)
-  br i1 %t222, label %then4082, label %endif4084
-then4082:
-  store i1 true, ptr %a123
-  br label %endif4084
-endif4084:
-  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %a124, i32 0, i32 1
-  %t224 = load ptr, ptr %a1
-  %t225 = load %S.ast.Type, ptr %a140
-  %t226 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t224, %S.ast.Type %t225)
-  %t227 = load i64, ptr %t223
-  %t228 = add i64 %t227, 1
-  call void @finch_arr_reserve(ptr %a124, i64 %t228, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t229 = load ptr, ptr %a124
-  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i64 %t227
-  store { ptr, i64, i64 } %t226, ptr %t230
-  store i64 %t228, ptr %t223
-  br label %each.step4061
-each.step4061:
-  %t231 = load i64, ptr %a126
-  %t232 = add i64 %t231, 1
-  store i64 %t232, ptr %a126
-  br label %each.cond4059
-each.end4062:
-  %t233 = load i1, ptr %a123
-  %t234 = load ptr, ptr %a1
-  %t235 = icmp eq ptr %t234, null
-  br i1 %t235, label %panic4085, label %ok4086
-panic4085:
-  call void @finch_panic(ptr @.str.2548, i64 1690, ptr @.str.2549)
+inrange4308:
+  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
+  %t217 = getelementptr inbounds %S.gen.StructDef, ptr %t216, i64 %t212
+  %t218 = getelementptr inbounds %S.gen.StructDef, ptr %t217, i32 0, i32 12
+  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i32 0, i32 1
+  %t220 = load %S.ast.Type, ptr %a148
+  store %S.ast.Type %t220, ptr %a221
+  call void @finch.copy.S_ast_Type(ptr %a222, ptr %a221)
+  %t223 = load %S.ast.Type, ptr %a222
+  %t224 = load i64, ptr %t219
+  %t225 = add i64 %t224, 1
+  call void @finch_arr_reserve(ptr %t218, i64 %t225, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t226 = load ptr, ptr %t218
+  %t227 = getelementptr inbounds %S.ast.Type, ptr %t226, i64 %t224
+  store %S.ast.Type %t223, ptr %t227
+  store i64 %t225, ptr %t219
+  %t228 = load ptr, ptr %a1
+  %t229 = load %S.ast.Type, ptr %a148
+  %t230 = call i1 @finch.gen.owning(ptr %t228, %S.ast.Type %t229)
+  br i1 %t230, label %then4309, label %endif4311
+then4309:
+  store i1 true, ptr %a131
+  br label %endif4311
+endif4311:
+  %t231 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  %t232 = load ptr, ptr %a1
+  %t233 = load %S.ast.Type, ptr %a148
+  %t234 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t232, %S.ast.Type %t233)
+  %t235 = load i64, ptr %t231
+  %t236 = add i64 %t235, 1
+  call void @finch_arr_reserve(ptr %a132, i64 %t236, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t237 = load ptr, ptr %a132
+  %t238 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 %t235
+  store { ptr, i64, i64 } %t234, ptr %t238
+  store i64 %t236, ptr %t231
+  call void @finch.drop.S_ast_Type(ptr %a148)
+  br label %each.step4288
+each.step4288:
+  %t239 = load i64, ptr %a134
+  %t240 = add i64 %t239, 1
+  store i64 %t240, ptr %a134
+  br label %each.cond4286
+each.end4289:
+  %t241 = load i1, ptr %a131
+  %t242 = load ptr, ptr %a1
+  %t243 = icmp eq ptr %t242, null
+  br i1 %t243, label %panic4312, label %ok4313
+panic4312:
+  call void @finch_panic(ptr @.str.2639, i64 1845, ptr @.str.2640)
   unreachable
-ok4086:
-  %t236 = getelementptr inbounds %S.gen.Gen, ptr %t234, i32 0, i32 15
-  %t237 = load i64, ptr %a2
-  %t238 = load { ptr, i64, i64 }, ptr %t236
-  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
-  %t240 = icmp uge i64 %t237, %t239
-  br i1 %t240, label %range4087, label %inrange4088
-range4087:
-  call void @finch_panic_index(ptr @.str.2550, i64 1690, i64 %t237, i64 %t239)
+ok4313:
+  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 16
+  %t245 = load i64, ptr %a2
+  %t246 = load { ptr, i64, i64 }, ptr %t244
+  %t247 = extractvalue { ptr, i64, i64 } %t246, 1
+  %t248 = icmp uge i64 %t245, %t247
+  br i1 %t248, label %range4314, label %inrange4315
+range4314:
+  call void @finch_panic_index(ptr @.str.2641, i64 1845, i64 %t245, i64 %t247)
   unreachable
-inrange4088:
-  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
-  %t242 = getelementptr inbounds %S.gen.StructDef, ptr %t241, i64 %t237
-  %t243 = getelementptr inbounds %S.gen.StructDef, ptr %t242, i32 0, i32 16
-  store i1 %t233, ptr %t243
-  %t244 = load { ptr, i64, i64 }, ptr %a105
-  %t245 = load ptr, ptr %a1
-  %t246 = icmp eq ptr %t245, null
-  br i1 %t246, label %panic4089, label %ok4090
-panic4089:
-  call void @finch_panic(ptr @.str.2551, i64 1691, ptr @.str.2552)
+inrange4315:
+  %t249 = extractvalue { ptr, i64, i64 } %t246, 0
+  %t250 = getelementptr inbounds %S.gen.StructDef, ptr %t249, i64 %t245
+  %t251 = getelementptr inbounds %S.gen.StructDef, ptr %t250, i32 0, i32 16
+  store i1 %t241, ptr %t251
+  %t252 = load { ptr, i64, i64 }, ptr %a111
+  %t253 = load ptr, ptr %a1
+  %t254 = icmp eq ptr %t253, null
+  br i1 %t254, label %panic4316, label %ok4317
+panic4316:
+  call void @finch_panic(ptr @.str.2642, i64 1846, ptr @.str.2643)
   unreachable
-ok4090:
-  %t247 = getelementptr inbounds %S.gen.Gen, ptr %t245, i32 0, i32 13
-  store { ptr, i64, i64 } %t244, ptr %a248
-  call void @finch_str_copy(ptr %a249, ptr %a248)
-  %t250 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t250, ptr %t247
-  %t251 = load ptr, ptr %a1
-  %t252 = icmp eq ptr %t251, null
-  br i1 %t252, label %panic4091, label %ok4092
-panic4091:
-  call void @finch_panic(ptr @.str.2553, i64 1692, ptr @.str.2554)
-  unreachable
-ok4092:
-  %t253 = getelementptr inbounds %S.gen.Gen, ptr %t251, i32 0, i32 15
-  %t254 = load i64, ptr %a2
-  %t255 = load { ptr, i64, i64 }, ptr %t253
-  %t256 = extractvalue { ptr, i64, i64 } %t255, 1
-  %t257 = icmp uge i64 %t254, %t256
-  br i1 %t257, label %range4093, label %inrange4094
-range4093:
-  call void @finch_panic_index(ptr @.str.2555, i64 1692, i64 %t254, i64 %t256)
-  unreachable
-inrange4094:
-  %t258 = extractvalue { ptr, i64, i64 } %t255, 0
-  %t259 = getelementptr inbounds %S.gen.StructDef, ptr %t258, i64 %t254
-  %t260 = getelementptr inbounds %S.gen.StructDef, ptr %t259, i32 0, i32 15
-  store i64 2, ptr %t260
+ok4317:
+  %t255 = getelementptr inbounds %S.gen.Gen, ptr %t253, i32 0, i32 14
+  store { ptr, i64, i64 } %t252, ptr %a256
+  call void @finch_str_copy(ptr %a257, ptr %a256)
+  %t258 = load { ptr, i64, i64 }, ptr %a257
+  %t259 = load { ptr, i64, i64 }, ptr %t255
+  store { ptr, i64, i64 } %t258, ptr %t255
+  store { ptr, i64, i64 } %t259, ptr %a260
+  call void @finch_str_drop(ptr %a260)
   %t261 = load ptr, ptr %a1
   %t262 = icmp eq ptr %t261, null
-  br i1 %t262, label %panic4095, label %ok4096
-panic4095:
-  call void @finch_panic(ptr @.str.2556, i64 1693, ptr @.str.2557)
+  br i1 %t262, label %panic4318, label %ok4319
+panic4318:
+  call void @finch_panic(ptr @.str.2644, i64 1847, ptr @.str.2645)
   unreachable
-ok4096:
-  %t263 = getelementptr inbounds %S.gen.Gen, ptr %t261, i32 0, i32 2
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
-  %t265 = load ptr, ptr %a1
-  %t266 = icmp eq ptr %t265, null
-  br i1 %t266, label %panic4097, label %ok4098
-panic4097:
-  call void @finch_panic(ptr @.str.2559, i64 1693, ptr @.str.2560)
+ok4319:
+  %t263 = getelementptr inbounds %S.gen.Gen, ptr %t261, i32 0, i32 16
+  %t264 = load i64, ptr %a2
+  %t265 = load { ptr, i64, i64 }, ptr %t263
+  %t266 = extractvalue { ptr, i64, i64 } %t265, 1
+  %t267 = icmp uge i64 %t264, %t266
+  br i1 %t267, label %range4320, label %inrange4321
+range4320:
+  call void @finch_panic_index(ptr @.str.2646, i64 1847, i64 %t264, i64 %t266)
   unreachable
-ok4098:
-  %t267 = getelementptr inbounds %S.gen.Gen, ptr %t265, i32 0, i32 15
-  %t268 = load i64, ptr %a2
-  %t269 = load { ptr, i64, i64 }, ptr %t267
-  %t270 = extractvalue { ptr, i64, i64 } %t269, 1
-  %t271 = icmp uge i64 %t268, %t270
-  br i1 %t271, label %range4099, label %inrange4100
-range4099:
-  call void @finch_panic_index(ptr @.str.2561, i64 1693, i64 %t268, i64 %t270)
+inrange4321:
+  %t268 = extractvalue { ptr, i64, i64 } %t265, 0
+  %t269 = getelementptr inbounds %S.gen.StructDef, ptr %t268, i64 %t264
+  %t270 = getelementptr inbounds %S.gen.StructDef, ptr %t269, i32 0, i32 15
+  store i64 2, ptr %t270
+  %t271 = load ptr, ptr %a1
+  %t272 = icmp eq ptr %t271, null
+  br i1 %t272, label %panic4322, label %ok4323
+panic4322:
+  call void @finch_panic(ptr @.str.2647, i64 1848, ptr @.str.2648)
   unreachable
-inrange4100:
-  %t272 = extractvalue { ptr, i64, i64 } %t269, 0
-  %t273 = getelementptr inbounds %S.gen.StructDef, ptr %t272, i64 %t268
-  %t274 = getelementptr inbounds %S.gen.StructDef, ptr %t273, i32 0, i32 0
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  %t276 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t275)
-  store { ptr, i64, i64 } { ptr @.str.2558, i64 3, i64 0 }, ptr %a278
-  store { ptr, i64, i64 } %t276, ptr %a279
-  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
-  %t280 = load { ptr, i64, i64 }, ptr %a277
-  store { ptr, i64, i64 } %t280, ptr %a282
-  store { ptr, i64, i64 } { ptr @.str.2562, i64 1, i64 0 }, ptr %a283
-  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
-  %t284 = load { ptr, i64, i64 }, ptr %a281
-  %t285 = load ptr, ptr %a1
-  %t286 = icmp eq ptr %t285, null
-  br i1 %t286, label %panic4101, label %ok4102
-panic4101:
-  call void @finch_panic(ptr @.str.2563, i64 1693, ptr @.str.2564)
+ok4323:
+  %t273 = getelementptr inbounds %S.gen.Gen, ptr %t271, i32 0, i32 2
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i32 0, i32 1
+  %t275 = load ptr, ptr %a1
+  %t276 = icmp eq ptr %t275, null
+  br i1 %t276, label %panic4324, label %ok4325
+panic4324:
+  call void @finch_panic(ptr @.str.2650, i64 1848, ptr @.str.2651)
   unreachable
-ok4102:
-  %t287 = getelementptr inbounds %S.gen.Gen, ptr %t285, i32 0, i32 15
-  %t288 = load i64, ptr %a2
-  %t289 = load { ptr, i64, i64 }, ptr %t287
-  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
-  %t291 = icmp uge i64 %t288, %t290
-  br i1 %t291, label %range4103, label %inrange4104
-range4103:
-  call void @finch_panic_index(ptr @.str.2565, i64 1693, i64 %t288, i64 %t290)
+ok4325:
+  %t277 = getelementptr inbounds %S.gen.Gen, ptr %t275, i32 0, i32 16
+  %t278 = load i64, ptr %a2
+  %t279 = load { ptr, i64, i64 }, ptr %t277
+  %t280 = extractvalue { ptr, i64, i64 } %t279, 1
+  %t281 = icmp uge i64 %t278, %t280
+  br i1 %t281, label %range4326, label %inrange4327
+range4326:
+  call void @finch_panic_index(ptr @.str.2652, i64 1848, i64 %t278, i64 %t280)
   unreachable
-inrange4104:
-  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
-  %t293 = getelementptr inbounds %S.gen.StructDef, ptr %t292, i64 %t288
-  %t294 = getelementptr inbounds %S.gen.StructDef, ptr %t293, i32 0, i32 1
-  %t295 = load { ptr, i64, i64 }, ptr %t294
-  %t296 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t295)
-  store { ptr, i64, i64 } %t284, ptr %a298
-  store { ptr, i64, i64 } %t296, ptr %a299
-  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
-  %t300 = load { ptr, i64, i64 }, ptr %a297
-  store { ptr, i64, i64 } %t300, ptr %a302
-  store { ptr, i64, i64 } { ptr @.str.2566, i64 10, i64 0 }, ptr %a303
-  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
-  %t304 = load { ptr, i64, i64 }, ptr %a301
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %a124, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2567, i64 2, i64 0 }, ptr %a306
-  call void @finch_str_join(ptr %a307, ptr %a124, ptr %a306)
-  %t308 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t304, ptr %a310
+inrange4327:
+  %t282 = extractvalue { ptr, i64, i64 } %t279, 0
+  %t283 = getelementptr inbounds %S.gen.StructDef, ptr %t282, i64 %t278
+  %t284 = getelementptr inbounds %S.gen.StructDef, ptr %t283, i32 0, i32 0
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  %t286 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t285)
+  store { ptr, i64, i64 } { ptr @.str.2649, i64 3, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  store { ptr, i64, i64 } %t286, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.2653, i64 1, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = load ptr, ptr %a1
+  %t298 = icmp eq ptr %t297, null
+  br i1 %t298, label %panic4328, label %ok4329
+panic4328:
+  call void @finch_panic(ptr @.str.2654, i64 1848, ptr @.str.2655)
+  unreachable
+ok4329:
+  %t299 = getelementptr inbounds %S.gen.Gen, ptr %t297, i32 0, i32 16
+  %t300 = load i64, ptr %a2
+  %t301 = load { ptr, i64, i64 }, ptr %t299
+  %t302 = extractvalue { ptr, i64, i64 } %t301, 1
+  %t303 = icmp uge i64 %t300, %t302
+  br i1 %t303, label %range4330, label %inrange4331
+range4330:
+  call void @finch_panic_index(ptr @.str.2656, i64 1848, i64 %t300, i64 %t302)
+  unreachable
+inrange4331:
+  %t304 = extractvalue { ptr, i64, i64 } %t301, 0
+  %t305 = getelementptr inbounds %S.gen.StructDef, ptr %t304, i64 %t300
+  %t306 = getelementptr inbounds %S.gen.StructDef, ptr %t305, i32 0, i32 1
+  %t307 = load { ptr, i64, i64 }, ptr %t306
+  %t308 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t307)
+  store { ptr, i64, i64 } %t296, ptr %a310
   store { ptr, i64, i64 } %t308, ptr %a311
   call void @finch_str_concat(ptr %a309, ptr %a310, ptr %a311)
-  %t312 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } %t312, ptr %a314
-  store { ptr, i64, i64 } { ptr @.str.2568, i64 2, i64 0 }, ptr %a315
-  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  %t317 = load i64, ptr %t264
-  %t318 = add i64 %t317, 1
-  call void @finch_arr_reserve(ptr %t263, i64 %t318, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t319 = load ptr, ptr %t263
-  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %t319, i64 %t317
-  store { ptr, i64, i64 } %t316, ptr %t320
-  store i64 %t318, ptr %t264
+  store { ptr, i64, i64 } %t296, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  store { ptr, i64, i64 } %t308, ptr %a313
+  call void @finch_str_drop(ptr %a313)
+  %t314 = load { ptr, i64, i64 }, ptr %a309
+  store { ptr, i64, i64 } %t314, ptr %a316
+  store { ptr, i64, i64 } { ptr @.str.2657, i64 10, i64 0 }, ptr %a317
+  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
+  store { ptr, i64, i64 } %t314, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a315
+  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2658, i64 2, i64 0 }, ptr %a321
+  call void @finch_str_join(ptr %a322, ptr %a132, ptr %a321)
+  %t323 = load { ptr, i64, i64 }, ptr %a322
+  store { ptr, i64, i64 } %t319, ptr %a325
+  store { ptr, i64, i64 } %t323, ptr %a326
+  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
+  store { ptr, i64, i64 } %t319, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  store { ptr, i64, i64 } %t323, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t329, ptr %a331
+  store { ptr, i64, i64 } { ptr @.str.2659, i64 2, i64 0 }, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  store { ptr, i64, i64 } %t329, ptr %a333
+  call void @finch_str_drop(ptr %a333)
+  %t334 = load { ptr, i64, i64 }, ptr %a330
+  %t335 = load i64, ptr %t274
+  %t336 = add i64 %t335, 1
+  call void @finch_arr_reserve(ptr %t273, i64 %t336, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t337 = load ptr, ptr %t273
+  %t338 = getelementptr inbounds { ptr, i64, i64 }, ptr %t337, i64 %t335
+  store { ptr, i64, i64 } %t334, ptr %t338
+  store i64 %t336, ptr %t274
+  call void @finch.drop.arr_str(ptr %a132)
+  call void @finch_str_drop(ptr %a111)
+  call void @finch.drop.S_ast_Node(ptr %a43)
   ret void
 }
 
@@ -38039,12 +44216,12 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4105, label %ok4106
-panic4105:
-  call void @finch_panic(ptr @.str.2569, i64 1702, ptr @.str.2570)
+  br i1 %t4, label %panic4332, label %ok4333
+panic4332:
+  call void @finch_panic(ptr @.str.2660, i64 1857, ptr @.str.2661)
   unreachable
-ok4106:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 31
+ok4333:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 32
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t7, ptr %a8
@@ -38059,12 +44236,12 @@ ok4106:
   store i64 %t12, ptr %t6
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic4107, label %ok4108
-panic4107:
-  call void @finch_panic(ptr @.str.2571, i64 1703, ptr @.str.2572)
+  br i1 %t16, label %panic4334, label %ok4335
+panic4334:
+  call void @finch_panic(ptr @.str.2662, i64 1858, ptr @.str.2663)
   unreachable
-ok4108:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 31
+ok4335:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 32
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = sub i64 %t19, 1
@@ -38078,21 +44255,24 @@ entry:
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
   %t2 = load i64, ptr %a1
   %t3 = icmp slt i64 %t2, 0
-  br i1 %t3, label %then4109, label %endif4111
-then4109:
-  ret { ptr, i64, i64 } { ptr @.str.2573, i64 4, i64 0 }
-endif4111:
+  br i1 %t3, label %then4336, label %endif4338
+then4336:
+  ret { ptr, i64, i64 } { ptr @.str.2664, i64 4, i64 0 }
+endif4338:
   %t4 = load i64, ptr %a1
   call void @finch_str_from_int(ptr %a5, i64 %t4)
   %t6 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.2574, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.2665, i64 1, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
-  %t10 = load { ptr, i64, i64 }, ptr %a7
-  ret { ptr, i64, i64 } %t10
+  store { ptr, i64, i64 } %t6, ptr %a10
+  call void @finch_str_drop(ptr %a10)
+  %t11 = load { ptr, i64, i64 }, ptr %a7
+  ret { ptr, i64, i64 } %t11
 }
 
 define internal i64 @finch.gen.alignUp(i64 %p0, i64 %p1) {
@@ -38103,22 +44283,22 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load i64, ptr %a2
   %t4 = icmp sle i64 %t3, 1
-  br i1 %t4, label %then4112, label %endif4114
-then4112:
+  br i1 %t4, label %then4339, label %endif4341
+then4339:
   %t5 = load i64, ptr %a1
   ret i64 %t5
-endif4114:
+endif4341:
   %t6 = load i64, ptr %a1
   %t7 = load i64, ptr %a2
   %t8 = add i64 %t6, %t7
   %t9 = sub i64 %t8, 1
   %t10 = load i64, ptr %a2
   %t11 = icmp eq i64 %t10, 0
-  br i1 %t11, label %panic4115, label %ok4116
-panic4115:
-  call void @finch_panic(ptr @.str.2575, i64 1722, ptr @.str.2576)
+  br i1 %t11, label %panic4342, label %ok4343
+panic4342:
+  call void @finch_panic(ptr @.str.2666, i64 1877, ptr @.str.2667)
   unreachable
-ok4116:
+ok4343:
   %t12 = sdiv i64 %t9, %t10
   %t13 = load i64, ptr %a2
   %t14 = mul i64 %t12, %t13
@@ -38181,188 +44361,193 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.2577, i64 4, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.2668, i64 4, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from4117
-logic.from4117:
-  br i1 %t13, label %logic.end4119, label %logic.rhs4118
-logic.rhs4118:
+  br label %logic.from4344
+logic.from4344:
+  br i1 %t13, label %logic.end4346, label %logic.rhs4345
+logic.rhs4345:
   %t14 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.2578, i64 4, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.2669, i64 4, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.rend4120
-logic.rend4120:
-  br label %logic.end4119
-logic.end4119:
-  %t19 = phi i1 [ true, %logic.from4117 ], [ %t18, %logic.rend4120 ]
-  br label %logic.from4121
-logic.from4121:
-  br i1 %t19, label %logic.end4123, label %logic.rhs4122
-logic.rhs4122:
+  br label %logic.rend4347
+logic.rend4347:
+  br label %logic.end4346
+logic.end4346:
+  %t19 = phi i1 [ true, %logic.from4344 ], [ %t18, %logic.rend4347 ]
+  br label %logic.from4348
+logic.from4348:
+  br i1 %t19, label %logic.end4350, label %logic.rhs4349
+logic.rhs4349:
   %t20 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.2579, i64 2, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2670, i64 2, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend4124
-logic.rend4124:
-  br label %logic.end4123
-logic.end4123:
-  %t25 = phi i1 [ true, %logic.from4121 ], [ %t24, %logic.rend4124 ]
-  br label %logic.from4125
-logic.from4125:
-  br i1 %t25, label %logic.end4127, label %logic.rhs4126
-logic.rhs4126:
+  br label %logic.rend4351
+logic.rend4351:
+  br label %logic.end4350
+logic.end4350:
+  %t25 = phi i1 [ true, %logic.from4348 ], [ %t24, %logic.rend4351 ]
+  br label %logic.from4352
+logic.from4352:
+  br i1 %t25, label %logic.end4354, label %logic.rhs4353
+logic.rhs4353:
   %t26 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2580, i64 2, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.2671, i64 2, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br label %logic.rend4128
-logic.rend4128:
-  br label %logic.end4127
-logic.end4127:
-  %t31 = phi i1 [ true, %logic.from4125 ], [ %t30, %logic.rend4128 ]
-  br i1 %t31, label %then4129, label %endif4131
-then4129:
+  br label %logic.rend4355
+logic.rend4355:
+  br label %logic.end4354
+logic.end4354:
+  %t31 = phi i1 [ true, %logic.from4352 ], [ %t30, %logic.rend4355 ]
+  br i1 %t31, label %then4356, label %endif4358
+then4356:
   %t32 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 1, 0
   %t33 = insertvalue %S.gen.SizeAlign %t32, i64 1, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t33
-endif4131:
+endif4358:
   %t34 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.2581, i64 3, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.2672, i64 3, i64 0 }, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.from4132
-logic.from4132:
-  br i1 %t38, label %logic.end4134, label %logic.rhs4133
-logic.rhs4133:
+  br label %logic.from4359
+logic.from4359:
+  br i1 %t38, label %logic.end4361, label %logic.rhs4360
+logic.rhs4360:
   %t39 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.2582, i64 3, i64 0 }, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.2673, i64 3, i64 0 }, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend4135
-logic.rend4135:
-  br label %logic.end4134
-logic.end4134:
-  %t44 = phi i1 [ true, %logic.from4132 ], [ %t43, %logic.rend4135 ]
-  br i1 %t44, label %then4136, label %endif4138
-then4136:
+  br label %logic.rend4362
+logic.rend4362:
+  br label %logic.end4361
+logic.end4361:
+  %t44 = phi i1 [ true, %logic.from4359 ], [ %t43, %logic.rend4362 ]
+  br i1 %t44, label %then4363, label %endif4365
+then4363:
   %t45 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 2, 0
   %t46 = insertvalue %S.gen.SizeAlign %t45, i64 2, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t46
-endif4138:
+endif4365:
   %t47 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.2583, i64 3, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.2674, i64 3, i64 0 }, ptr %a49
   %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
   %t51 = icmp ne i32 %t50, 0
-  br label %logic.from4139
-logic.from4139:
-  br i1 %t51, label %logic.end4141, label %logic.rhs4140
-logic.rhs4140:
+  br label %logic.from4366
+logic.from4366:
+  br i1 %t51, label %logic.end4368, label %logic.rhs4367
+logic.rhs4367:
   %t52 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.2584, i64 3, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.2675, i64 3, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br label %logic.rend4142
-logic.rend4142:
-  br label %logic.end4141
-logic.end4141:
-  %t57 = phi i1 [ true, %logic.from4139 ], [ %t56, %logic.rend4142 ]
-  br label %logic.from4143
-logic.from4143:
-  br i1 %t57, label %logic.end4145, label %logic.rhs4144
-logic.rhs4144:
+  br label %logic.rend4369
+logic.rend4369:
+  br label %logic.end4368
+logic.end4368:
+  %t57 = phi i1 [ true, %logic.from4366 ], [ %t56, %logic.rend4369 ]
+  br label %logic.from4370
+logic.from4370:
+  br i1 %t57, label %logic.end4372, label %logic.rhs4371
+logic.rhs4371:
   %t58 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t58, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.2585, i64 3, i64 0 }, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.2676, i64 3, i64 0 }, ptr %a60
   %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
   %t62 = icmp ne i32 %t61, 0
-  br label %logic.rend4146
-logic.rend4146:
-  br label %logic.end4145
-logic.end4145:
-  %t63 = phi i1 [ true, %logic.from4143 ], [ %t62, %logic.rend4146 ]
-  br label %logic.from4147
-logic.from4147:
-  br i1 %t63, label %logic.end4149, label %logic.rhs4148
-logic.rhs4148:
+  br label %logic.rend4373
+logic.rend4373:
+  br label %logic.end4372
+logic.end4372:
+  %t63 = phi i1 [ true, %logic.from4370 ], [ %t62, %logic.rend4373 ]
+  br label %logic.from4374
+logic.from4374:
+  br i1 %t63, label %logic.end4376, label %logic.rhs4375
+logic.rhs4375:
   %t64 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t64, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.2586, i64 4, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2677, i64 4, i64 0 }, ptr %a66
   %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
   %t68 = icmp ne i32 %t67, 0
-  br label %logic.rend4150
-logic.rend4150:
-  br label %logic.end4149
-logic.end4149:
-  %t69 = phi i1 [ true, %logic.from4147 ], [ %t68, %logic.rend4150 ]
-  br i1 %t69, label %then4151, label %endif4153
-then4151:
+  br label %logic.rend4377
+logic.rend4377:
+  br label %logic.end4376
+logic.end4376:
+  %t69 = phi i1 [ true, %logic.from4374 ], [ %t68, %logic.rend4377 ]
+  br i1 %t69, label %then4378, label %endif4380
+then4378:
   %t70 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 4, 0
   %t71 = insertvalue %S.gen.SizeAlign %t70, i64 4, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t71
-endif4153:
+endif4380:
   %t72 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t72, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.2587, i64 3, i64 0 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.2678, i64 3, i64 0 }, ptr %a74
   %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
   %t76 = icmp ne i32 %t75, 0
-  br label %logic.from4154
-logic.from4154:
-  br i1 %t76, label %logic.end4156, label %logic.rhs4155
-logic.rhs4155:
+  br label %logic.from4381
+logic.from4381:
+  br i1 %t76, label %logic.end4383, label %logic.rhs4382
+logic.rhs4382:
   %t77 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.2588, i64 5, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.2679, i64 5, i64 0 }, ptr %a79
   %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
   %t81 = icmp ne i32 %t80, 0
-  br label %logic.rend4157
-logic.rend4157:
-  br label %logic.end4156
-logic.end4156:
-  %t82 = phi i1 [ true, %logic.from4154 ], [ %t81, %logic.rend4157 ]
-  br i1 %t82, label %then4158, label %endif4160
-then4158:
+  br label %logic.rend4384
+logic.rend4384:
+  br label %logic.end4383
+logic.end4383:
+  %t82 = phi i1 [ true, %logic.from4381 ], [ %t81, %logic.rend4384 ]
+  br i1 %t82, label %then4385, label %endif4387
+then4385:
   %t83 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 24, 0
   %t84 = insertvalue %S.gen.SizeAlign %t83, i64 8, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t84
-endif4160:
+endif4387:
   %t85 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t85, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.2589, i64 3, i64 0 }, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.2680, i64 3, i64 0 }, ptr %a87
   %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
   %t89 = icmp ne i32 %t88, 0
-  br i1 %t89, label %then4161, label %endif4163
-then4161:
+  br i1 %t89, label %then4388, label %endif4390
+then4388:
   %t90 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 56, 0
   %t91 = insertvalue %S.gen.SizeAlign %t90, i64 8, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t91
-endif4163:
+endif4390:
   %t92 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t92, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.2590, i64 5, i64 0 }, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.2681, i64 5, i64 0 }, ptr %a94
   %t95 = call i32 @finch_str_eq(ptr %a93, ptr %a94)
   %t96 = icmp ne i32 %t95, 0
-  br i1 %t96, label %then4164, label %endif4166
-then4164:
+  br i1 %t96, label %then4391, label %endif4393
+then4391:
   %t97 = load ptr, ptr %a1
   %t98 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t99 = load { ptr, i64, i64 }, ptr %t98
   %t100 = extractvalue { ptr, i64, i64 } %t99, 1
   %t101 = icmp uge i64 0, %t100
-  br i1 %t101, label %range4167, label %inrange4168
-range4167:
-  call void @finch_panic_index(ptr @.str.2591, i64 1744, i64 0, i64 %t100)
+  br i1 %t101, label %range4394, label %inrange4395
+range4394:
+  call void @finch_panic_index(ptr @.str.2682, i64 1899, i64 0, i64 %t100)
   unreachable
-inrange4168:
+inrange4395:
   %t102 = extractvalue { ptr, i64, i64 } %t99, 0
   %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i64 0
   %t104 = load %S.ast.Type, ptr %t103
@@ -38377,23 +44562,24 @@ inrange4168:
   %t113 = getelementptr inbounds %S.gen.SizeAlign, ptr %a106, i32 0, i32 1
   %t114 = load i64, ptr %t113
   %t115 = insertvalue %S.gen.SizeAlign %t112, i64 %t114, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t115
-endif4166:
+endif4393:
   %t116 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t116, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.2592, i64 6, i64 0 }, ptr %a118
+  store { ptr, i64, i64 } { ptr @.str.2683, i64 6, i64 0 }, ptr %a118
   %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
   %t120 = icmp ne i32 %t119, 0
-  br i1 %t120, label %then4169, label %endif4171
-then4169:
+  br i1 %t120, label %then4396, label %endif4398
+then4396:
   %t121 = load ptr, ptr %a1
   %t122 = icmp eq ptr %t121, null
-  br i1 %t122, label %panic4172, label %ok4173
-panic4172:
-  call void @finch_panic(ptr @.str.2593, i64 1748, ptr @.str.2594)
+  br i1 %t122, label %panic4399, label %ok4400
+panic4399:
+  call void @finch_panic(ptr @.str.2684, i64 1903, ptr @.str.2685)
   unreachable
-ok4173:
-  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 15
+ok4400:
+  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 16
   %t124 = load ptr, ptr %a1
   %t125 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t126 = load { ptr, i64, i64 }, ptr %t125
@@ -38403,11 +44589,11 @@ ok4173:
   %t130 = load { ptr, i64, i64 }, ptr %t123
   %t131 = extractvalue { ptr, i64, i64 } %t130, 1
   %t132 = icmp uge i64 %t129, %t131
-  br i1 %t132, label %range4174, label %inrange4175
-range4174:
-  call void @finch_panic_index(ptr @.str.2595, i64 1748, i64 %t129, i64 %t131)
+  br i1 %t132, label %range4401, label %inrange4402
+range4401:
+  call void @finch_panic_index(ptr @.str.2686, i64 1903, i64 %t129, i64 %t131)
   unreachable
-inrange4175:
+inrange4402:
   %t133 = extractvalue { ptr, i64, i64 } %t130, 0
   %t134 = getelementptr inbounds %S.gen.StructDef, ptr %t133, i64 %t129
   %t135 = load %S.gen.StructDef, ptr %t134
@@ -38417,28 +44603,30 @@ inrange4175:
   store %S.gen.StructDef %t138, ptr %a139
   %t140 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 2
   %t141 = load i1, ptr %t140
-  br i1 %t141, label %then4176, label %endif4178
-then4176:
+  br i1 %t141, label %then4403, label %endif4405
+then4403:
   %t142 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 9
   %t143 = load i64, ptr %t142
   %t144 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 %t143, 0
   %t145 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 10
   %t146 = load i64, ptr %t145
   %t147 = insertvalue %S.gen.SizeAlign %t144, i64 %t146, 1
+  call void @finch.drop.S_gen_StructDef(ptr %a139)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t147
-endif4178:
+endif4405:
   store i64 0, ptr %a148
   store i64 1, ptr %a149
   %t150 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 12
   store i64 0, ptr %a151
-  br label %each.cond4179
-each.cond4179:
+  br label %each.cond4406
+each.cond4406:
   %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i32 0, i32 1
   %t153 = load i64, ptr %t152
   %t154 = load i64, ptr %a151
   %t155 = icmp slt i64 %t154, %t153
-  br i1 %t155, label %each.body4180, label %each.end4182
-each.body4180:
+  br i1 %t155, label %each.body4407, label %each.end4409
+each.body4407:
   %t156 = load ptr, ptr %t150
   %t157 = getelementptr inbounds %S.ast.Type, ptr %t156, i64 %t154
   %t158 = load %S.ast.Type, ptr %t157
@@ -38459,30 +44647,33 @@ each.body4180:
   %t172 = load i64, ptr %t171
   %t173 = load i64, ptr %a149
   %t174 = icmp sgt i64 %t172, %t173
-  br i1 %t174, label %then4183, label %endif4185
-then4183:
+  br i1 %t174, label %then4410, label %endif4412
+then4410:
   %t175 = getelementptr inbounds %S.gen.SizeAlign, ptr %a163, i32 0, i32 1
   %t176 = load i64, ptr %t175
   store i64 %t176, ptr %a149
-  br label %endif4185
-endif4185:
-  br label %each.step4181
-each.step4181:
+  br label %endif4412
+endif4412:
+  br label %each.step4408
+each.step4408:
   %t177 = load i64, ptr %a151
   %t178 = add i64 %t177, 1
   store i64 %t178, ptr %a151
-  br label %each.cond4179
-each.end4182:
+  br label %each.cond4406
+each.end4409:
   %t179 = load i64, ptr %a148
   %t180 = load i64, ptr %a149
   %t181 = call i64 @finch.gen.alignUp(i64 %t179, i64 %t180)
   %t182 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 %t181, 0
   %t183 = load i64, ptr %a149
   %t184 = insertvalue %S.gen.SizeAlign %t182, i64 %t183, 1
+  call void @finch.drop.S_gen_StructDef(ptr %a139)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t184
-endif4171:
+endif4398:
   %t185 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 8, 0
   %t186 = insertvalue %S.gen.SizeAlign %t185, i64 8, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t186
 }
 
@@ -38497,33 +44688,31 @@ entry:
   %a13 = alloca i64, align 16
   %a21 = alloca %S.ast.Type, align 16
   %a25 = alloca %S.gen.SizeAlign, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.StructDef %p1, ptr %a2
   %t3 = getelementptr inbounds %S.gen.StructDef, ptr %a2, i32 0, i32 2
   %t4 = load i1, ptr %t3
-  br i1 %t4, label %then4186, label %endif4188
-then4186:
+  br i1 %t4, label %then4413, label %endif4415
+then4413:
   %t5 = getelementptr inbounds %S.gen.StructDef, ptr %a2, i32 0, i32 4
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
   call void @finch.copy.arr_int(ptr %a8, ptr %a7)
   %t9 = load { ptr, i64, i64 }, ptr %a8
   ret { ptr, i64, i64 } %t9
-endif4188:
+endif4415:
   store { ptr, i64, i64 } zeroinitializer, ptr %a10
   store i64 0, ptr %a11
   %t12 = getelementptr inbounds %S.gen.StructDef, ptr %a2, i32 0, i32 12
   store i64 0, ptr %a13
-  br label %each.cond4189
-each.cond4189:
+  br label %each.cond4416
+each.cond4416:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = load i64, ptr %a13
   %t17 = icmp slt i64 %t16, %t15
-  br i1 %t17, label %each.body4190, label %each.end4192
-each.body4190:
+  br i1 %t17, label %each.body4417, label %each.end4419
+each.body4417:
   %t18 = load ptr, ptr %t12
   %t19 = getelementptr inbounds %S.ast.Type, ptr %t18, i64 %t16
   %t20 = load %S.ast.Type, ptr %t19
@@ -38551,18 +44740,15 @@ each.body4190:
   %t38 = load i64, ptr %a11
   %t39 = add i64 %t38, %t37
   store i64 %t39, ptr %a11
-  br label %each.step4191
-each.step4191:
+  br label %each.step4418
+each.step4418:
   %t40 = load i64, ptr %a13
   %t41 = add i64 %t40, 1
   store i64 %t41, ptr %a13
-  br label %each.cond4189
-each.end4192:
+  br label %each.cond4416
+each.end4419:
   %t42 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch.copy.arr_int(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  ret { ptr, i64, i64 } %t45
+  ret { ptr, i64, i64 } %t42
 }
 
 define internal i64 @finch.gen.dbgMember(ptr %p0, { ptr, i64, i64 } %p1, i64 %p2, i64 %p3, i64 %p4, i64 %p5, i64 %p6, i64 %p7) {
@@ -38581,47 +44767,67 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -38632,81 +44838,121 @@ entry:
   store i64 %p7, ptr %a8
   %t9 = load ptr, ptr %a1
   %t10 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.2596, i64 42, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.2687, i64 42, i64 0 }, ptr %a12
   store { ptr, i64, i64 } %t10, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
   %t14 = load { ptr, i64, i64 }, ptr %a11
   store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.2597, i64 11, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.2688, i64 11, i64 0 }, ptr %a17
   call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  %t19 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a20, i64 %t19)
-  %t21 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a23
-  store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2598, i64 9, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a31, i64 %t30)
-  %t32 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t29, ptr %a34
-  store { ptr, i64, i64 } %t32, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t36, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.2599, i64 8, i64 0 }, ptr %a39
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  %t20 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a21, i64 %t20)
+  %t22 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t19, ptr %a24
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t19, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  store { ptr, i64, i64 } %t22, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.2689, i64 9, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a35, i64 %t34)
+  %t36 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t33, ptr %a38
+  store { ptr, i64, i64 } %t36, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  %t41 = load i64, ptr %a5
-  call void @finch_str_from_int(ptr %a42, i64 %t41)
-  %t43 = load { ptr, i64, i64 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a45
-  store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.2600, i64 12, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = load i64, ptr %a6
-  %t53 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t52)
-  store { ptr, i64, i64 } %t51, ptr %a55
-  store { ptr, i64, i64 } %t53, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t57, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.2601, i64 8, i64 0 }, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load i64, ptr %a7
-  call void @finch_str_from_int(ptr %a63, i64 %t62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t61, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.2602, i64 10, i64 0 }, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load i64, ptr %a8
-  call void @finch_str_from_int(ptr %a74, i64 %t73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.2603, i64 1, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  %t84 = call i64 @finch.gen.md(ptr %t9, { ptr, i64, i64 } %t83)
-  ret i64 %t84
+  store { ptr, i64, i64 } %t33, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  store { ptr, i64, i64 } %t36, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a37
+  store { ptr, i64, i64 } %t42, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.2690, i64 8, i64 0 }, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = load i64, ptr %a5
+  call void @finch_str_from_int(ptr %a49, i64 %t48)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t47, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t47, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  store { ptr, i64, i64 } %t50, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t56, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.2691, i64 12, i64 0 }, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = load i64, ptr %a6
+  %t63 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t62)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t61, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.2692, i64 8, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load i64, ptr %a7
+  call void @finch_str_from_int(ptr %a76, i64 %t75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t74, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t74, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.2693, i64 10, i64 0 }, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  %t89 = load i64, ptr %a8
+  call void @finch_str_from_int(ptr %a90, i64 %t89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t88, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t97, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.2694, i64 1, i64 0 }, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t97, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
+  %t103 = call i64 @finch.gen.md(ptr %t9, { ptr, i64, i64 } %t102)
+  store { ptr, i64, i64 } %t102, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  ret i64 %t103
 }
 
 define internal i64 @finch.gen.basicType(ptr %p0, { ptr, i64, i64 } %p1, i64 %p2, { ptr, i64, i64 } %p3) {
@@ -38721,55 +44967,76 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.2604, i64 20, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.2695, i64 20, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.2605, i64 9, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.2696, i64 9, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a16, i64 %t15)
-  %t17 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t14, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.2606, i64 12, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t25, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.2607, i64 1, i64 0 }, ptr %a33
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a17, i64 %t16)
+  %t18 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a20
+  store { ptr, i64, i64 } %t18, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t15, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.2697, i64 12, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t29, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = call i64 @finch.gen.md(ptr %t5, { ptr, i64, i64 } %t34)
-  ret i64 %t35
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.2698, i64 1, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = call i64 @finch.gen.md(ptr %t5, { ptr, i64, i64 } %t40)
+  store { ptr, i64, i64 } %t40, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  ret i64 %t41
 }
 
 define internal i64 @finch.gen.diType(ptr %p0, %S.ast.Type %p1) {
@@ -38786,244 +45053,319 @@ entry:
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca i64, align 16
-  %a58 = alloca i64, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca i64, align 16
+  %a59 = alloca i64, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca %S.gen.EnumDef, align 16
-  %a126 = alloca %S.gen.EnumDef, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca %S.gen.EnumDef, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca i64, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca %S.gen.EnumDef, align 16
+  %a131 = alloca %S.gen.EnumDef, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca i64, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
   %a192 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca i32, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca i64, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca i32, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca i64, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca %S.gen.SizeAlign, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca i64, align 16
+  %a305 = alloca %S.gen.SizeAlign, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
   %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca i64, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
   %a339 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
   %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca %S.ast.Type, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca %S.ast.Type, align 16
-  %a381 = alloca %S.ast.Type, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a394 = alloca { ptr, i64, i64 }, align 16
-  %a397 = alloca i64, align 16
-  %a401 = alloca i64, align 16
-  %a407 = alloca i64, align 16
-  %a413 = alloca i64, align 16
-  %a419 = alloca i64, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca %S.ast.Type, align 16
+  %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca %S.ast.Type, align 16
+  %a414 = alloca %S.ast.Type, align 16
+  %a417 = alloca %S.ast.Type, align 16
   %a423 = alloca { ptr, i64, i64 }, align 16
   %a424 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a430 = alloca { ptr, i64, i64 }, align 16
   %a431 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
-  %a439 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a459 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca i64, align 16
+  %a439 = alloca %S.ast.Type, align 16
+  %a440 = alloca i64, align 16
+  %a446 = alloca i64, align 16
+  %a452 = alloca i64, align 16
+  %a458 = alloca i64, align 16
   %a461 = alloca { ptr, i64, i64 }, align 16
+  %a462 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
   %a464 = alloca { ptr, i64, i64 }, align 16
   %a466 = alloca { ptr, i64, i64 }, align 16
   %a467 = alloca { ptr, i64, i64 }, align 16
   %a468 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
   %a472 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca i64, align 16
-  %a494 = alloca i64, align 16
-  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a483 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca i64, align 16
-  %a513 = alloca i64, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a517 = alloca { ptr, i64, i64 }, align 16
+  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a519 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a525 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
   %a539 = alloca { ptr, i64, i64 }, align 16
-  %a549 = alloca { ptr, i64, i64 }, align 16
-  %a550 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
-  %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca { ptr, i64, i64 }, align 16
-  %a560 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca %S.ast.Type, align 16
+  %a547 = alloca i64, align 16
+  %a550 = alloca i64, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
   %a564 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
-  %a570 = alloca { ptr, i64, i64 }, align 16
-  %a572 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a574 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca i64, align 16
+  %a569 = alloca i64, align 16
   %a591 = alloca { ptr, i64, i64 }, align 16
-  %a609 = alloca %S.gen.StructDef, align 16
-  %a610 = alloca %S.gen.StructDef, align 16
-  %a612 = alloca %S.gen.StructDef, align 16
-  %a616 = alloca { ptr, i64, i64 }, align 16
-  %a620 = alloca %S.gen.SizeAlign, align 16
+  %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a613 = alloca { ptr, i64, i64 }, align 16
+  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca { ptr, i64, i64 }, align 16
   %a621 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca i64, align 16
-  %a638 = alloca %S.gen.SizeAlign, align 16
-  %a673 = alloca { ptr, i64, i64 }, align 16
-  %a675 = alloca { ptr, i64, i64 }, align 16
-  %a676 = alloca { ptr, i64, i64 }, align 16
-  %a677 = alloca { ptr, i64, i64 }, align 16
-  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a642 = alloca { ptr, i64, i64 }, align 16
+  %a643 = alloca { ptr, i64, i64 }, align 16
+  %a655 = alloca { ptr, i64, i64 }, align 16
+  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca %S.gen.StructDef, align 16
+  %a677 = alloca %S.gen.StructDef, align 16
+  %a679 = alloca %S.gen.StructDef, align 16
+  %a683 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca %S.gen.SizeAlign, align 16
   %a688 = alloca { ptr, i64, i64 }, align 16
-  %a689 = alloca { ptr, i64, i64 }, align 16
-  %a691 = alloca { ptr, i64, i64 }, align 16
-  %a692 = alloca { ptr, i64, i64 }, align 16
-  %a693 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a702 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
-  %a704 = alloca { ptr, i64, i64 }, align 16
-  %a709 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
-  %a720 = alloca { ptr, i64, i64 }, align 16
-  %a721 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
-  %a724 = alloca { ptr, i64, i64 }, align 16
-  %a725 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a741 = alloca { ptr, i64, i64 }, align 16
+  %a692 = alloca i64, align 16
+  %a705 = alloca %S.gen.SizeAlign, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   %a742 = alloca { ptr, i64, i64 }, align 16
   %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
   %a745 = alloca { ptr, i64, i64 }, align 16
-  %a746 = alloca { ptr, i64, i64 }, align 16
-  %a747 = alloca { ptr, i64, i64 }, align 16
-  %a764 = alloca { ptr, i64, i64 }, align 16
-  %a765 = alloca i32, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a765 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a789 = alloca { ptr, i64, i64 }, align 16
+  %a790 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a792 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a799 = alloca { ptr, i64, i64 }, align 16
+  %a800 = alloca { ptr, i64, i64 }, align 16
+  %a801 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a806 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a819 = alloca { ptr, i64, i64 }, align 16
+  %a821 = alloca { ptr, i64, i64 }, align 16
+  %a822 = alloca { ptr, i64, i64 }, align 16
+  %a823 = alloca { ptr, i64, i64 }, align 16
+  %a825 = alloca { ptr, i64, i64 }, align 16
+  %a826 = alloca { ptr, i64, i64 }, align 16
+  %a827 = alloca { ptr, i64, i64 }, align 16
+  %a828 = alloca { ptr, i64, i64 }, align 16
+  %a840 = alloca { ptr, i64, i64 }, align 16
+  %a847 = alloca { ptr, i64, i64 }, align 16
+  %a848 = alloca i32, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
@@ -39034,1138 +45376,1312 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.2608, i64 4, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.2699, i64 4, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from4193
-logic.from4193:
-  br i1 %t13, label %logic.end4195, label %logic.rhs4194
-logic.rhs4194:
+  br label %logic.from4420
+logic.from4420:
+  br i1 %t13, label %logic.end4422, label %logic.rhs4421
+logic.rhs4421:
   %t14 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.2609, i64 4, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.2700, i64 4, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.rend4196
-logic.rend4196:
-  br label %logic.end4195
-logic.end4195:
-  %t19 = phi i1 [ true, %logic.from4193 ], [ %t18, %logic.rend4196 ]
-  br i1 %t19, label %then4197, label %endif4199
-then4197:
+  br label %logic.rend4423
+logic.rend4423:
+  br label %logic.end4422
+logic.end4422:
+  %t19 = phi i1 [ true, %logic.from4420 ], [ %t18, %logic.rend4423 ]
+  br i1 %t19, label %then4424, label %endif4426
+then4424:
+  call void @finch_str_drop(ptr %a8)
   ret i64 -1
-endif4199:
+endif4426:
   %t20 = load %S.ast.Type, ptr %a2
   %t21 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t20)
-  store { ptr, i64, i64 } { ptr @.str.2610, i64 2, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.2701, i64 2, i64 0 }, ptr %a23
   store { ptr, i64, i64 } %t21, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a26
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic4200, label %ok4201
-panic4200:
-  call void @finch_panic(ptr @.str.2611, i64 1797, ptr @.str.2612)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a27
+  %t28 = load ptr, ptr %a1
+  %t29 = icmp eq ptr %t28, null
+  br i1 %t29, label %panic4427, label %ok4428
+panic4427:
+  call void @finch_panic(ptr @.str.2702, i64 1952, ptr @.str.2703)
   unreachable
-ok4201:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 32
-  %t30 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t30, ptr %a31
-  %t32 = call i64 @finch_map_find(ptr %t29, ptr %a31, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t33 = icmp sge i64 %t32, 0
-  br i1 %t33, label %then4202, label %endif4204
-then4202:
-  %t34 = load ptr, ptr %a1
-  %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic4205, label %ok4206
-panic4205:
-  call void @finch_panic(ptr @.str.2613, i64 1798, ptr @.str.2614)
+ok4428:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 33
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t31, ptr %a32
+  %t33 = call i64 @finch_map_find(ptr %t30, ptr %a32, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t34 = icmp sge i64 %t33, 0
+  br i1 %t34, label %then4429, label %endif4431
+then4429:
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic4432, label %ok4433
+panic4432:
+  call void @finch_panic(ptr @.str.2704, i64 1953, ptr @.str.2705)
   unreachable
-ok4206:
-  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 32
-  %t37 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t37, ptr %a38
-  %t39 = call i64 @finch_map_find(ptr %t36, ptr %a38, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t40 = icmp slt i64 %t39, 0
-  br i1 %t40, label %map.missing4207, label %map.found4208
-map.missing4207:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a41
-  store { ptr, i64, i64 } %t37, ptr %a42
-  call void @finch_buf_str(ptr %a41, ptr %a42, i32 1)
-  call void @finch_map_missing(ptr @.str.2615, i64 1798, ptr %a41)
+ok4433:
+  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 33
+  %t38 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t38, ptr %a39
+  %t40 = call i64 @finch_map_find(ptr %t37, ptr %a39, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t41 = icmp slt i64 %t40, 0
+  br i1 %t41, label %map.missing4434, label %map.found4435
+map.missing4434:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a42
+  store { ptr, i64, i64 } %t38, ptr %a43
+  call void @finch_buf_str(ptr %a42, ptr %a43, i32 1)
+  call void @finch_map_missing(ptr @.str.2706, i64 1953, ptr %a42)
   unreachable
-map.found4208:
-  %t43 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t36, i32 0, i32 0
-  %t44 = load ptr, ptr %t43
-  %t45 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t44, i64 %t39
-  %t46 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t45, i32 0, i32 2
-  %t47 = load i64, ptr %t46
-  ret i64 %t47
-endif4204:
-  store i64 -1, ptr %a48
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic4209, label %ok4210
-panic4209:
-  call void @finch_panic(ptr @.str.2616, i64 1801, ptr @.str.2617)
+map.found4435:
+  %t44 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t37, i32 0, i32 0
+  %t45 = load ptr, ptr %t44
+  %t46 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t45, i64 %t40
+  %t47 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t46, i32 0, i32 2
+  %t48 = load i64, ptr %t47
+  call void @finch_str_drop(ptr %a27)
+  call void @finch_str_drop(ptr %a8)
+  ret i64 %t48
+endif4431:
+  store i64 -1, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = icmp eq ptr %t50, null
+  br i1 %t51, label %panic4436, label %ok4437
+panic4436:
+  call void @finch_panic(ptr @.str.2707, i64 1956, ptr @.str.2708)
   unreachable
-ok4210:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 33
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  %t53 = extractvalue { ptr, i64, i64 } %t52, 1
-  %t54 = icmp uge i64 0, %t53
-  br i1 %t54, label %range4211, label %inrange4212
-range4211:
-  call void @finch_panic_index(ptr @.str.2618, i64 1801, i64 0, i64 %t53)
+ok4437:
+  %t52 = getelementptr inbounds %S.gen.Gen, ptr %t50, i32 0, i32 34
+  %t53 = load { ptr, i64, i64 }, ptr %t52
+  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
+  %t55 = icmp uge i64 0, %t54
+  br i1 %t55, label %range4438, label %inrange4439
+range4438:
+  call void @finch_panic_index(ptr @.str.2709, i64 1956, i64 0, i64 %t54)
   unreachable
-inrange4212:
-  %t55 = extractvalue { ptr, i64, i64 } %t52, 0
-  %t56 = getelementptr inbounds i64, ptr %t55, i64 0
-  %t57 = load i64, ptr %t56
-  store i64 %t57, ptr %a58
-  %t59 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t59, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.2619, i64 4, i64 0 }, ptr %a61
-  %t62 = call i32 @finch_str_eq(ptr %a60, ptr %a61)
-  %t63 = icmp ne i32 %t62, 0
-  br i1 %t63, label %then4213, label %else4214
-then4213:
-  %t64 = load ptr, ptr %a1
-  %t65 = call i64 @finch.gen.basicType(ptr %t64, { ptr, i64, i64 } { ptr @.str.2620, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2621, i64 14, i64 0 })
-  store i64 %t65, ptr %a48
-  br label %endif4215
-else4214:
-  %t66 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.2622, i64 4, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp ne i32 %t69, 0
-  br i1 %t70, label %then4216, label %else4217
-then4216:
-  %t71 = load ptr, ptr %a1
-  %t72 = call i64 @finch.gen.basicType(ptr %t71, { ptr, i64, i64 } { ptr @.str.2623, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2624, i64 18, i64 0 })
-  store i64 %t72, ptr %a48
-  br label %endif4218
-else4217:
-  %t73 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.2625, i64 3, i64 0 }, ptr %a75
-  %t76 = call i32 @finch_str_eq(ptr %a74, ptr %a75)
-  %t77 = icmp ne i32 %t76, 0
-  br i1 %t77, label %then4219, label %else4220
-then4219:
-  %t78 = load ptr, ptr %a1
-  %t79 = call i64 @finch.gen.basicType(ptr %t78, { ptr, i64, i64 } { ptr @.str.2626, i64 3, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2627, i64 13, i64 0 })
-  store i64 %t79, ptr %a48
-  br label %endif4221
-else4220:
-  %t80 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.2628, i64 5, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %then4222, label %else4223
-then4222:
-  %t85 = load ptr, ptr %a1
-  %t86 = call i64 @finch.gen.basicType(ptr %t85, { ptr, i64, i64 } { ptr @.str.2629, i64 5, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2630, i64 12, i64 0 })
-  store i64 %t86, ptr %a48
-  br label %endif4224
-else4223:
-  %t87 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.2631, i64 3, i64 0 }, ptr %a89
-  %t90 = call i32 @finch_str_eq(ptr %a88, ptr %a89)
-  %t91 = icmp ne i32 %t90, 0
-  br i1 %t91, label %then4225, label %else4226
-then4225:
-  %t92 = load ptr, ptr %a1
-  %t93 = call i64 @finch.gen.basicType(ptr %t92, { ptr, i64, i64 } { ptr @.str.2632, i64 3, i64 0 }, i64 32, { ptr, i64, i64 } { ptr @.str.2633, i64 12, i64 0 })
-  store i64 %t93, ptr %a48
-  br label %endif4227
-else4226:
-  %t94 = load %S.ast.Type, ptr %a2
-  %t95 = call i1 @finch.gen.isInt(%S.ast.Type %t94)
-  br i1 %t95, label %then4228, label %else4229
-then4228:
-  store { ptr, i64, i64 } { ptr @.str.2634, i64 15, i64 0 }, ptr %a96
-  %t97 = load %S.ast.Type, ptr %a2
-  %t98 = call i1 @finch.gen.isSigned(%S.ast.Type %t97)
-  br i1 %t98, label %then4231, label %endif4233
-then4231:
-  store { ptr, i64, i64 } { ptr @.str.2635, i64 13, i64 0 }, ptr %a96
-  br label %endif4233
-endif4233:
-  %t99 = load ptr, ptr %a1
-  %t100 = load { ptr, i64, i64 }, ptr %a8
-  %t101 = load %S.ast.Type, ptr %a2
-  %t102 = call i64 @finch.gen.bitsOf(%S.ast.Type %t101)
-  %t103 = load { ptr, i64, i64 }, ptr %a96
-  %t104 = call i64 @finch.gen.basicType(ptr %t99, { ptr, i64, i64 } %t100, i64 %t102, { ptr, i64, i64 } %t103)
-  store i64 %t104, ptr %a48
-  br label %endif4230
-else4229:
-  %t105 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t105, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.2636, i64 4, i64 0 }, ptr %a107
-  %t108 = call i32 @finch_str_eq(ptr %a106, ptr %a107)
-  %t109 = icmp ne i32 %t108, 0
-  br i1 %t109, label %then4234, label %else4235
-then4234:
-  %t110 = load ptr, ptr %a1
-  %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic4237, label %ok4238
-panic4237:
-  call void @finch_panic(ptr @.str.2637, i64 1819, ptr @.str.2638)
-  unreachable
-ok4238:
-  %t112 = getelementptr inbounds %S.gen.Gen, ptr %t110, i32 0, i32 20
+inrange4439:
+  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
+  %t57 = getelementptr inbounds i64, ptr %t56, i64 0
+  %t58 = load i64, ptr %t57
+  store i64 %t58, ptr %a59
+  %t60 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t60, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.2710, i64 4, i64 0 }, ptr %a62
+  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
+  %t64 = icmp ne i32 %t63, 0
+  br i1 %t64, label %then4440, label %else4441
+then4440:
+  %t65 = load ptr, ptr %a1
+  %t66 = call i64 @finch.gen.basicType(ptr %t65, { ptr, i64, i64 } { ptr @.str.2711, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2712, i64 14, i64 0 })
+  store i64 %t66, ptr %a49
+  br label %endif4442
+else4441:
+  %t67 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t67, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.2713, i64 4, i64 0 }, ptr %a69
+  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
+  %t71 = icmp ne i32 %t70, 0
+  br i1 %t71, label %then4443, label %else4444
+then4443:
+  %t72 = load ptr, ptr %a1
+  %t73 = call i64 @finch.gen.basicType(ptr %t72, { ptr, i64, i64 } { ptr @.str.2714, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2715, i64 18, i64 0 })
+  store i64 %t73, ptr %a49
+  br label %endif4445
+else4444:
+  %t74 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t74, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.2716, i64 3, i64 0 }, ptr %a76
+  %t77 = call i32 @finch_str_eq(ptr %a75, ptr %a76)
+  %t78 = icmp ne i32 %t77, 0
+  br i1 %t78, label %then4446, label %else4447
+then4446:
+  %t79 = load ptr, ptr %a1
+  %t80 = call i64 @finch.gen.basicType(ptr %t79, { ptr, i64, i64 } { ptr @.str.2717, i64 3, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2718, i64 13, i64 0 })
+  store i64 %t80, ptr %a49
+  br label %endif4448
+else4447:
+  %t81 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.2719, i64 5, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br i1 %t85, label %then4449, label %else4450
+then4449:
+  %t86 = load ptr, ptr %a1
+  %t87 = call i64 @finch.gen.basicType(ptr %t86, { ptr, i64, i64 } { ptr @.str.2720, i64 5, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2721, i64 12, i64 0 })
+  store i64 %t87, ptr %a49
+  br label %endif4451
+else4450:
+  %t88 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t88, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.2722, i64 3, i64 0 }, ptr %a90
+  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
+  %t92 = icmp ne i32 %t91, 0
+  br i1 %t92, label %then4452, label %else4453
+then4452:
+  %t93 = load ptr, ptr %a1
+  %t94 = call i64 @finch.gen.basicType(ptr %t93, { ptr, i64, i64 } { ptr @.str.2723, i64 3, i64 0 }, i64 32, { ptr, i64, i64 } { ptr @.str.2724, i64 12, i64 0 })
+  store i64 %t94, ptr %a49
+  br label %endif4454
+else4453:
+  %t95 = load %S.ast.Type, ptr %a2
+  %t96 = call i1 @finch.gen.isInt(%S.ast.Type %t95)
+  br i1 %t96, label %then4455, label %else4456
+then4455:
+  store { ptr, i64, i64 } { ptr @.str.2725, i64 15, i64 0 }, ptr %a97
+  %t98 = load %S.ast.Type, ptr %a2
+  %t99 = call i1 @finch.gen.isSigned(%S.ast.Type %t98)
+  br i1 %t99, label %then4458, label %endif4460
+then4458:
+  %t100 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.2726, i64 13, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } %t100, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  br label %endif4460
+endif4460:
+  %t102 = load ptr, ptr %a1
+  %t103 = load { ptr, i64, i64 }, ptr %a8
+  %t104 = load %S.ast.Type, ptr %a2
+  %t105 = call i64 @finch.gen.bitsOf(%S.ast.Type %t104)
+  %t106 = load { ptr, i64, i64 }, ptr %a97
+  %t107 = call i64 @finch.gen.basicType(ptr %t102, { ptr, i64, i64 } %t103, i64 %t105, { ptr, i64, i64 } %t106)
+  store i64 %t107, ptr %a49
+  call void @finch_str_drop(ptr %a97)
+  br label %endif4457
+else4456:
+  %t108 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2727, i64 4, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br i1 %t112, label %then4461, label %else4462
+then4461:
   %t113 = load ptr, ptr %a1
-  %t114 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t115 = load { ptr, i64, i64 }, ptr %t114
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  %t118 = call i64 @finch.gen.findEnum(ptr %t113, { ptr, i64, i64 } %t115, { ptr, i64, i64 } %t117)
-  %t119 = load { ptr, i64, i64 }, ptr %t112
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 %t118, %t120
-  br i1 %t121, label %range4239, label %inrange4240
-range4239:
-  call void @finch_panic_index(ptr @.str.2639, i64 1819, i64 %t118, i64 %t120)
+  %t114 = icmp eq ptr %t113, null
+  br i1 %t114, label %panic4464, label %ok4465
+panic4464:
+  call void @finch_panic(ptr @.str.2728, i64 1974, ptr @.str.2729)
   unreachable
-inrange4240:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.gen.EnumDef, ptr %t122, i64 %t118
-  %t124 = load %S.gen.EnumDef, ptr %t123
-  store %S.gen.EnumDef %t124, ptr %a125
-  call void @finch.copy.S_gen_EnumDef(ptr %a126, ptr %a125)
-  %t127 = load %S.gen.EnumDef, ptr %a126
+ok4465:
+  %t115 = getelementptr inbounds %S.gen.Gen, ptr %t113, i32 0, i32 21
+  %t116 = load ptr, ptr %a1
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t120 = load { ptr, i64, i64 }, ptr %t119
+  %t121 = call i64 @finch.gen.findEnum(ptr %t116, { ptr, i64, i64 } %t118, { ptr, i64, i64 } %t120)
+  %t122 = load { ptr, i64, i64 }, ptr %t115
+  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
+  %t124 = icmp uge i64 %t121, %t123
+  br i1 %t124, label %range4466, label %inrange4467
+range4466:
+  call void @finch_panic_index(ptr @.str.2730, i64 1974, i64 %t121, i64 %t123)
+  unreachable
+inrange4467:
+  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
+  %t126 = getelementptr inbounds %S.gen.EnumDef, ptr %t125, i64 %t121
+  %t127 = load %S.gen.EnumDef, ptr %t126
   store %S.gen.EnumDef %t127, ptr %a128
-  store { ptr, i64, i64 } zeroinitializer, ptr %a129
-  %t130 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 2
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  store i64 0, ptr %a133
-  br label %for.cond4241
-for.cond4241:
-  %t134 = load i64, ptr %a133
-  %t135 = icmp slt i64 %t134, %t132
-  br i1 %t135, label %for.body4242, label %for.end4244
-for.body4242:
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  %t137 = load ptr, ptr %a1
-  %t138 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 2
-  %t139 = load i64, ptr %a133
-  %t140 = load { ptr, i64, i64 }, ptr %t138
-  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
-  %t142 = icmp uge i64 %t139, %t141
-  br i1 %t142, label %range4245, label %inrange4246
-range4245:
-  call void @finch_panic_index(ptr @.str.2641, i64 1822, i64 %t139, i64 %t141)
+  call void @finch.copy.S_gen_EnumDef(ptr %a129, ptr %a128)
+  %t130 = load %S.gen.EnumDef, ptr %a129
+  store %S.gen.EnumDef %t130, ptr %a131
+  store { ptr, i64, i64 } zeroinitializer, ptr %a132
+  %t133 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 2
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load i64, ptr %t134
+  store i64 0, ptr %a136
+  br label %for.cond4468
+for.cond4468:
+  %t137 = load i64, ptr %a136
+  %t138 = icmp slt i64 %t137, %t135
+  br i1 %t138, label %for.body4469, label %for.end4471
+for.body4469:
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  %t140 = load ptr, ptr %a1
+  %t141 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 2
+  %t142 = load i64, ptr %a136
+  %t143 = load { ptr, i64, i64 }, ptr %t141
+  %t144 = extractvalue { ptr, i64, i64 } %t143, 1
+  %t145 = icmp uge i64 %t142, %t144
+  br i1 %t145, label %range4472, label %inrange4473
+range4472:
+  call void @finch_panic_index(ptr @.str.2732, i64 1977, i64 %t142, i64 %t144)
   unreachable
-inrange4246:
-  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
-  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t143, i64 %t139
-  %t145 = load { ptr, i64, i64 }, ptr %t144
-  store { ptr, i64, i64 } { ptr @.str.2640, i64 21, i64 0 }, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t149, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.2642, i64 10, i64 0 }, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  %t154 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 3
-  %t155 = load i64, ptr %a133
-  %t156 = load { ptr, i64, i64 }, ptr %t154
-  %t157 = extractvalue { ptr, i64, i64 } %t156, 1
-  %t158 = icmp uge i64 %t155, %t157
-  br i1 %t158, label %range4247, label %inrange4248
-range4247:
-  call void @finch_panic_index(ptr @.str.2643, i64 1822, i64 %t155, i64 %t157)
+inrange4473:
+  %t146 = extractvalue { ptr, i64, i64 } %t143, 0
+  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i64 %t142
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  store { ptr, i64, i64 } { ptr @.str.2731, i64 21, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.2733, i64 10, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  %t158 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 3
+  %t159 = load i64, ptr %a136
+  %t160 = load { ptr, i64, i64 }, ptr %t158
+  %t161 = extractvalue { ptr, i64, i64 } %t160, 1
+  %t162 = icmp uge i64 %t159, %t161
+  br i1 %t162, label %range4474, label %inrange4475
+range4474:
+  call void @finch_panic_index(ptr @.str.2734, i64 1977, i64 %t159, i64 %t161)
   unreachable
-inrange4248:
-  %t159 = extractvalue { ptr, i64, i64 } %t156, 0
-  %t160 = getelementptr inbounds i64, ptr %t159, i64 %t155
-  %t161 = load i64, ptr %t160
-  call void @finch_str_from_int(ptr %a162, i64 %t161)
-  %t163 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t153, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  store { ptr, i64, i64 } { ptr @.str.2644, i64 1, i64 0 }, ptr %a170
+inrange4475:
+  %t163 = extractvalue { ptr, i64, i64 } %t160, 0
+  %t164 = getelementptr inbounds i64, ptr %t163, i64 %t159
+  %t165 = load i64, ptr %t164
+  call void @finch_str_from_int(ptr %a166, i64 %t165)
+  %t167 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t157, ptr %a169
+  store { ptr, i64, i64 } %t167, ptr %a170
   call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  %t172 = call i64 @finch.gen.md(ptr %t137, { ptr, i64, i64 } %t171)
-  %t173 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t172)
-  %t174 = load i64, ptr %t136
-  %t175 = add i64 %t174, 1
-  call void @finch_arr_reserve(ptr %a129, i64 %t175, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t176 = load ptr, ptr %a129
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 %t174
-  store { ptr, i64, i64 } %t173, ptr %t177
-  store i64 %t175, ptr %t136
-  br label %for.step4243
-for.step4243:
-  %t178 = load i64, ptr %a133
-  %t179 = add i64 %t178, 1
-  store i64 %t179, ptr %a133
-  br label %for.cond4241
-for.end4244:
-  %t180 = load ptr, ptr %a1
-  %t181 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 1
-  %t182 = load { ptr, i64, i64 }, ptr %t181
-  store { ptr, i64, i64 } { ptr @.str.2645, i64 54, i64 0 }, ptr %a184
-  store { ptr, i64, i64 } %t182, ptr %a185
-  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t186, ptr %a188
-  store { ptr, i64, i64 } { ptr @.str.2646, i64 10, i64 0 }, ptr %a189
-  call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
-  %t190 = load { ptr, i64, i64 }, ptr %a187
-  %t191 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a192, i64 %t191)
-  %t193 = load { ptr, i64, i64 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a195
-  store { ptr, i64, i64 } %t193, ptr %a196
-  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
-  %t197 = load { ptr, i64, i64 }, ptr %a194
-  store { ptr, i64, i64 } %t197, ptr %a199
-  store { ptr, i64, i64 } { ptr @.str.2647, i64 24, i64 0 }, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2648, i64 2, i64 0 }, ptr %a203
-  call void @finch_str_join(ptr %a204, ptr %a129, ptr %a203)
-  %t205 = load { ptr, i64, i64 }, ptr %a204
-  store { ptr, i64, i64 } %t201, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t209, ptr %a211
-  store { ptr, i64, i64 } { ptr @.str.2649, i64 2, i64 0 }, ptr %a212
-  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
-  %t213 = load { ptr, i64, i64 }, ptr %a210
-  %t214 = call i64 @finch.gen.md(ptr %t180, { ptr, i64, i64 } %t213)
-  store i64 %t214, ptr %a48
-  br label %endif4236
-else4235:
-  %t215 = load ptr, ptr %a1
-  %t216 = call i64 @finch.gen.md(ptr %t215, { ptr, i64, i64 } { ptr @.str.2650, i64 0, i64 0 })
-  store i64 %t216, ptr %a48
-  %t217 = load i64, ptr %a48
-  %t218 = load ptr, ptr %a1
-  %t219 = icmp eq ptr %t218, null
-  br i1 %t219, label %panic4249, label %ok4250
-panic4249:
-  call void @finch_panic(ptr @.str.2651, i64 1828, ptr @.str.2652)
+  store { ptr, i64, i64 } %t157, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  store { ptr, i64, i64 } %t167, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t173, ptr %a175
+  store { ptr, i64, i64 } { ptr @.str.2735, i64 1, i64 0 }, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t173, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  %t179 = call i64 @finch.gen.md(ptr %t140, { ptr, i64, i64 } %t178)
+  store { ptr, i64, i64 } %t178, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  %t181 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t179)
+  %t182 = load i64, ptr %t139
+  %t183 = add i64 %t182, 1
+  call void @finch_arr_reserve(ptr %a132, i64 %t183, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t184 = load ptr, ptr %a132
+  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i64 %t182
+  store { ptr, i64, i64 } %t181, ptr %t185
+  store i64 %t183, ptr %t139
+  br label %for.step4470
+for.step4470:
+  %t186 = load i64, ptr %a136
+  %t187 = add i64 %t186, 1
+  store i64 %t187, ptr %a136
+  br label %for.cond4468
+for.end4471:
+  %t188 = load ptr, ptr %a1
+  %t189 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 1
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  store { ptr, i64, i64 } { ptr @.str.2736, i64 54, i64 0 }, ptr %a192
+  store { ptr, i64, i64 } %t190, ptr %a193
+  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
+  %t194 = load { ptr, i64, i64 }, ptr %a191
+  store { ptr, i64, i64 } %t194, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.2737, i64 10, i64 0 }, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t194, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  %t200 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a201, i64 %t200)
+  %t202 = load { ptr, i64, i64 }, ptr %a201
+  store { ptr, i64, i64 } %t199, ptr %a204
+  store { ptr, i64, i64 } %t202, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t199, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  store { ptr, i64, i64 } %t202, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } %t208, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.2738, i64 24, i64 0 }, ptr %a211
+  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
+  store { ptr, i64, i64 } %t208, ptr %a212
+  call void @finch_str_drop(ptr %a212)
+  %t213 = load { ptr, i64, i64 }, ptr %a209
+  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2739, i64 2, i64 0 }, ptr %a215
+  call void @finch_str_join(ptr %a216, ptr %a132, ptr %a215)
+  %t217 = load { ptr, i64, i64 }, ptr %a216
+  store { ptr, i64, i64 } %t213, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t213, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  store { ptr, i64, i64 } %t217, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.2740, i64 2, i64 0 }, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = call i64 @finch.gen.md(ptr %t188, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t228, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  store i64 %t229, ptr %a49
+  call void @finch.drop.arr_str(ptr %a132)
+  call void @finch.drop.S_gen_EnumDef(ptr %a131)
+  br label %endif4463
+else4462:
+  %t231 = load ptr, ptr %a1
+  %t232 = call i64 @finch.gen.md(ptr %t231, { ptr, i64, i64 } { ptr @.str.2741, i64 0, i64 0 })
+  store i64 %t232, ptr %a49
+  %t233 = load i64, ptr %a49
+  %t234 = load ptr, ptr %a1
+  %t235 = icmp eq ptr %t234, null
+  br i1 %t235, label %panic4476, label %ok4477
+panic4476:
+  call void @finch_panic(ptr @.str.2742, i64 1983, ptr @.str.2743)
   unreachable
-ok4250:
-  %t220 = getelementptr inbounds %S.gen.Gen, ptr %t218, i32 0, i32 32
-  %t221 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t221, ptr %a222
-  store i32 0, ptr %a223
-  %t224 = call i64 @finch_map_slot(ptr %t220, ptr %a222, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a223)
-  %t225 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t220, i32 0, i32 0
-  %t226 = load ptr, ptr %t225
-  %t227 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t226, i64 %t224
-  %t228 = load i32, ptr %a223
-  %t229 = icmp ne i32 %t228, 0
-  br i1 %t229, label %map.new4251, label %map.have4252
-map.new4251:
-  %t230 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t227, i32 0, i32 1
-  call void @finch_str_copy(ptr %t230, ptr %a222)
-  %t231 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t227, i32 0, i32 2
-  store i64 0, ptr %t231
-  br label %map.have4252
-map.have4252:
-  %t232 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t227, i32 0, i32 2
-  store i64 %t217, ptr %t232
-  %t233 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t233, ptr %a234
-  store { ptr, i64, i64 } { ptr @.str.2653, i64 3, i64 0 }, ptr %a235
-  %t236 = call i32 @finch_str_eq(ptr %a234, ptr %a235)
-  %t237 = icmp ne i32 %t236, 0
-  br i1 %t237, label %then4253, label %else4254
-then4253:
-  store i64 -1, ptr %a238
-  %t239 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %t239, i32 0, i32 1
-  %t241 = load i64, ptr %t240
-  %t242 = icmp sgt i64 %t241, 0
-  br i1 %t242, label %then4256, label %endif4258
-then4256:
-  %t243 = load ptr, ptr %a1
-  %t244 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t245 = load { ptr, i64, i64 }, ptr %t244
-  %t246 = extractvalue { ptr, i64, i64 } %t245, 1
-  %t247 = icmp uge i64 0, %t246
-  br i1 %t247, label %range4259, label %inrange4260
-range4259:
-  call void @finch_panic_index(ptr @.str.2654, i64 1832, i64 0, i64 %t246)
+ok4477:
+  %t236 = getelementptr inbounds %S.gen.Gen, ptr %t234, i32 0, i32 33
+  %t237 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t237, ptr %a238
+  store i32 0, ptr %a239
+  %t240 = call i64 @finch_map_slot(ptr %t236, ptr %a238, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a239)
+  %t241 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t236, i32 0, i32 0
+  %t242 = load ptr, ptr %t241
+  %t243 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t242, i64 %t240
+  %t244 = load i32, ptr %a239
+  %t245 = icmp ne i32 %t244, 0
+  br i1 %t245, label %map.new4478, label %map.have4479
+map.new4478:
+  %t246 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t243, i32 0, i32 1
+  call void @finch_str_copy(ptr %t246, ptr %a238)
+  %t247 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t243, i32 0, i32 2
+  store i64 0, ptr %t247
+  br label %map.have4479
+map.have4479:
+  %t248 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t243, i32 0, i32 2
+  store i64 %t233, ptr %t248
+  %t249 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t249, ptr %a250
+  store { ptr, i64, i64 } { ptr @.str.2744, i64 3, i64 0 }, ptr %a251
+  %t252 = call i32 @finch_str_eq(ptr %a250, ptr %a251)
+  %t253 = icmp ne i32 %t252, 0
+  br i1 %t253, label %then4480, label %else4481
+then4480:
+  store i64 -1, ptr %a254
+  %t255 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t256 = getelementptr inbounds { ptr, i64, i64 }, ptr %t255, i32 0, i32 1
+  %t257 = load i64, ptr %t256
+  %t258 = icmp sgt i64 %t257, 0
+  br i1 %t258, label %then4483, label %endif4485
+then4483:
+  %t259 = load ptr, ptr %a1
+  %t260 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t261 = load { ptr, i64, i64 }, ptr %t260
+  %t262 = extractvalue { ptr, i64, i64 } %t261, 1
+  %t263 = icmp uge i64 0, %t262
+  br i1 %t263, label %range4486, label %inrange4487
+range4486:
+  call void @finch_panic_index(ptr @.str.2745, i64 1987, i64 0, i64 %t262)
   unreachable
-inrange4260:
-  %t248 = extractvalue { ptr, i64, i64 } %t245, 0
-  %t249 = getelementptr inbounds %S.ast.Type, ptr %t248, i64 0
-  %t250 = load %S.ast.Type, ptr %t249
-  %t251 = call i64 @finch.gen.diType(ptr %t243, %S.ast.Type %t250)
-  store i64 %t251, ptr %a238
-  br label %endif4258
-endif4258:
-  %t252 = load i64, ptr %a238
-  %t253 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t252)
-  store { ptr, i64, i64 } { ptr @.str.2655, i64 51, i64 0 }, ptr %a255
-  store { ptr, i64, i64 } %t253, ptr %a256
-  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
-  %t257 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t257, ptr %a259
-  store { ptr, i64, i64 } { ptr @.str.2656, i64 11, i64 0 }, ptr %a260
-  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
-  %t261 = load { ptr, i64, i64 }, ptr %a258
-  %t262 = load ptr, ptr %a1
-  %t263 = icmp eq ptr %t262, null
-  br i1 %t263, label %panic4261, label %ok4262
-panic4261:
-  call void @finch_panic(ptr @.str.2657, i64 1834, ptr @.str.2658)
+inrange4487:
+  %t264 = extractvalue { ptr, i64, i64 } %t261, 0
+  %t265 = getelementptr inbounds %S.ast.Type, ptr %t264, i64 0
+  %t266 = load %S.ast.Type, ptr %t265
+  %t267 = call i64 @finch.gen.diType(ptr %t259, %S.ast.Type %t266)
+  store i64 %t267, ptr %a254
+  br label %endif4485
+endif4485:
+  %t268 = load i64, ptr %a254
+  %t269 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t268)
+  store { ptr, i64, i64 } { ptr @.str.2746, i64 51, i64 0 }, ptr %a271
+  store { ptr, i64, i64 } %t269, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t269, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.2747, i64 11, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  call void @finch_str_drop(ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a275
+  %t280 = load ptr, ptr %a1
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic4488, label %ok4489
+panic4488:
+  call void @finch_panic(ptr @.str.2748, i64 1989, ptr @.str.2749)
   unreachable
-ok4262:
-  %t264 = getelementptr inbounds %S.gen.Gen, ptr %t262, i32 0, i32 31
-  %t265 = load i64, ptr %a48
-  %t266 = load { ptr, i64, i64 }, ptr %t264
-  %t267 = extractvalue { ptr, i64, i64 } %t266, 1
-  %t268 = icmp uge i64 %t265, %t267
-  br i1 %t268, label %range4263, label %inrange4264
-range4263:
-  call void @finch_panic_index(ptr @.str.2659, i64 1834, i64 %t265, i64 %t267)
+ok4489:
+  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 32
+  %t283 = load i64, ptr %a49
+  %t284 = load { ptr, i64, i64 }, ptr %t282
+  %t285 = extractvalue { ptr, i64, i64 } %t284, 1
+  %t286 = icmp uge i64 %t283, %t285
+  br i1 %t286, label %range4490, label %inrange4491
+range4490:
+  call void @finch_panic_index(ptr @.str.2750, i64 1989, i64 %t283, i64 %t285)
   unreachable
-inrange4264:
-  %t269 = extractvalue { ptr, i64, i64 } %t266, 0
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i64 %t265
-  store { ptr, i64, i64 } %t261, ptr %t270
-  br label %endif4255
-else4254:
-  %t271 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t271, ptr %a272
-  store { ptr, i64, i64 } { ptr @.str.2660, i64 5, i64 0 }, ptr %a273
-  %t274 = call i32 @finch_str_eq(ptr %a272, ptr %a273)
-  %t275 = icmp ne i32 %t274, 0
-  br i1 %t275, label %then4265, label %else4266
-then4265:
-  %t276 = load ptr, ptr %a1
-  %t277 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t278 = load { ptr, i64, i64 }, ptr %t277
-  %t279 = extractvalue { ptr, i64, i64 } %t278, 1
-  %t280 = icmp uge i64 0, %t279
-  br i1 %t280, label %range4268, label %inrange4269
-range4268:
-  call void @finch_panic_index(ptr @.str.2661, i64 1836, i64 0, i64 %t279)
+inrange4491:
+  %t287 = extractvalue { ptr, i64, i64 } %t284, 0
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 %t283
+  %t289 = load { ptr, i64, i64 }, ptr %t288
+  store { ptr, i64, i64 } %t279, ptr %t288
+  store { ptr, i64, i64 } %t289, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  br label %endif4482
+else4481:
+  %t291 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t291, ptr %a292
+  store { ptr, i64, i64 } { ptr @.str.2751, i64 5, i64 0 }, ptr %a293
+  %t294 = call i32 @finch_str_eq(ptr %a292, ptr %a293)
+  %t295 = icmp ne i32 %t294, 0
+  br i1 %t295, label %then4492, label %else4493
+then4492:
+  %t296 = load ptr, ptr %a1
+  %t297 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t298 = load { ptr, i64, i64 }, ptr %t297
+  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
+  %t300 = icmp uge i64 0, %t299
+  br i1 %t300, label %range4495, label %inrange4496
+range4495:
+  call void @finch_panic_index(ptr @.str.2752, i64 1991, i64 0, i64 %t299)
   unreachable
-inrange4269:
-  %t281 = extractvalue { ptr, i64, i64 } %t278, 0
-  %t282 = getelementptr inbounds %S.ast.Type, ptr %t281, i64 0
-  %t283 = load %S.ast.Type, ptr %t282
-  %t284 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t276, %S.ast.Type %t283)
-  store %S.gen.SizeAlign %t284, ptr %a285
-  %t286 = load ptr, ptr %a1
-  %t287 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t288 = load i64, ptr %t287
-  call void @finch_str_from_int(ptr %a289, i64 %t288)
-  %t290 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } { ptr @.str.2662, i64 19, i64 0 }, ptr %a292
-  store { ptr, i64, i64 } %t290, ptr %a293
-  call void @finch_str_concat(ptr %a291, ptr %a292, ptr %a293)
-  %t294 = load { ptr, i64, i64 }, ptr %a291
-  store { ptr, i64, i64 } %t294, ptr %a296
-  store { ptr, i64, i64 } { ptr @.str.2663, i64 1, i64 0 }, ptr %a297
-  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
-  %t298 = load { ptr, i64, i64 }, ptr %a295
-  %t299 = call i64 @finch.gen.md(ptr %t286, { ptr, i64, i64 } %t298)
-  store i64 %t299, ptr %a300
-  %t301 = load ptr, ptr %a1
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  %t304 = extractvalue { ptr, i64, i64 } %t303, 1
-  %t305 = icmp uge i64 0, %t304
-  br i1 %t305, label %range4270, label %inrange4271
-range4270:
-  call void @finch_panic_index(ptr @.str.2665, i64 1838, i64 0, i64 %t304)
-  unreachable
-inrange4271:
-  %t306 = extractvalue { ptr, i64, i64 } %t303, 0
-  %t307 = getelementptr inbounds %S.ast.Type, ptr %t306, i64 0
-  %t308 = load %S.ast.Type, ptr %t307
-  %t309 = call i64 @finch.gen.diType(ptr %t301, %S.ast.Type %t308)
-  %t310 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t309)
-  store { ptr, i64, i64 } { ptr @.str.2664, i64 51, i64 0 }, ptr %a312
+inrange4496:
+  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
+  %t302 = getelementptr inbounds %S.ast.Type, ptr %t301, i64 0
+  %t303 = load %S.ast.Type, ptr %t302
+  %t304 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t296, %S.ast.Type %t303)
+  store %S.gen.SizeAlign %t304, ptr %a305
+  %t306 = load ptr, ptr %a1
+  %t307 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t308 = load i64, ptr %t307
+  call void @finch_str_from_int(ptr %a309, i64 %t308)
+  %t310 = load { ptr, i64, i64 }, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.2753, i64 19, i64 0 }, ptr %a312
   store { ptr, i64, i64 } %t310, ptr %a313
   call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.2666, i64 8, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = getelementptr inbounds %S.gen.SizeAlign, ptr %a285, i32 0, i32 0
-  %t320 = load i64, ptr %t319
-  %t321 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t322 = load i64, ptr %t321
-  %t323 = mul i64 %t320, %t322
-  %t324 = mul i64 %t323, 8
-  call void @finch_str_from_int(ptr %a325, i64 %t324)
-  %t326 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t318, ptr %a328
-  store { ptr, i64, i64 } %t326, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  store { ptr, i64, i64 } %t330, ptr %a332
-  store { ptr, i64, i64 } { ptr @.str.2667, i64 15, i64 0 }, ptr %a333
-  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
-  %t334 = load { ptr, i64, i64 }, ptr %a331
-  %t335 = load i64, ptr %a300
-  call void @finch_str_from_int(ptr %a336, i64 %t335)
-  %t337 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } %t334, ptr %a339
-  store { ptr, i64, i64 } %t337, ptr %a340
-  call void @finch_str_concat(ptr %a338, ptr %a339, ptr %a340)
-  %t341 = load { ptr, i64, i64 }, ptr %a338
-  store { ptr, i64, i64 } %t341, ptr %a343
-  store { ptr, i64, i64 } { ptr @.str.2668, i64 2, i64 0 }, ptr %a344
-  call void @finch_str_concat(ptr %a342, ptr %a343, ptr %a344)
-  %t345 = load { ptr, i64, i64 }, ptr %a342
-  %t346 = load ptr, ptr %a1
-  %t347 = icmp eq ptr %t346, null
-  br i1 %t347, label %panic4272, label %ok4273
-panic4272:
-  call void @finch_panic(ptr @.str.2669, i64 1838, ptr @.str.2670)
+  store { ptr, i64, i64 } %t310, ptr %a314
+  call void @finch_str_drop(ptr %a314)
+  %t315 = load { ptr, i64, i64 }, ptr %a311
+  store { ptr, i64, i64 } %t315, ptr %a317
+  store { ptr, i64, i64 } { ptr @.str.2754, i64 1, i64 0 }, ptr %a318
+  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
+  store { ptr, i64, i64 } %t315, ptr %a319
+  call void @finch_str_drop(ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a316
+  %t321 = call i64 @finch.gen.md(ptr %t306, { ptr, i64, i64 } %t320)
+  store { ptr, i64, i64 } %t320, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  store i64 %t321, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t326 = load { ptr, i64, i64 }, ptr %t325
+  %t327 = extractvalue { ptr, i64, i64 } %t326, 1
+  %t328 = icmp uge i64 0, %t327
+  br i1 %t328, label %range4497, label %inrange4498
+range4497:
+  call void @finch_panic_index(ptr @.str.2756, i64 1993, i64 0, i64 %t327)
   unreachable
-ok4273:
-  %t348 = getelementptr inbounds %S.gen.Gen, ptr %t346, i32 0, i32 31
-  %t349 = load i64, ptr %a48
-  %t350 = load { ptr, i64, i64 }, ptr %t348
-  %t351 = extractvalue { ptr, i64, i64 } %t350, 1
-  %t352 = icmp uge i64 %t349, %t351
-  br i1 %t352, label %range4274, label %inrange4275
-range4274:
-  call void @finch_panic_index(ptr @.str.2671, i64 1838, i64 %t349, i64 %t351)
+inrange4498:
+  %t329 = extractvalue { ptr, i64, i64 } %t326, 0
+  %t330 = getelementptr inbounds %S.ast.Type, ptr %t329, i64 0
+  %t331 = load %S.ast.Type, ptr %t330
+  %t332 = call i64 @finch.gen.diType(ptr %t324, %S.ast.Type %t331)
+  %t333 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t332)
+  store { ptr, i64, i64 } { ptr @.str.2755, i64 51, i64 0 }, ptr %a335
+  store { ptr, i64, i64 } %t333, ptr %a336
+  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
+  store { ptr, i64, i64 } %t333, ptr %a337
+  call void @finch_str_drop(ptr %a337)
+  %t338 = load { ptr, i64, i64 }, ptr %a334
+  store { ptr, i64, i64 } %t338, ptr %a340
+  store { ptr, i64, i64 } { ptr @.str.2757, i64 8, i64 0 }, ptr %a341
+  call void @finch_str_concat(ptr %a339, ptr %a340, ptr %a341)
+  store { ptr, i64, i64 } %t338, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load { ptr, i64, i64 }, ptr %a339
+  %t344 = getelementptr inbounds %S.gen.SizeAlign, ptr %a305, i32 0, i32 0
+  %t345 = load i64, ptr %t344
+  %t346 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t347 = load i64, ptr %t346
+  %t348 = mul i64 %t345, %t347
+  %t349 = mul i64 %t348, 8
+  call void @finch_str_from_int(ptr %a350, i64 %t349)
+  %t351 = load { ptr, i64, i64 }, ptr %a350
+  store { ptr, i64, i64 } %t343, ptr %a353
+  store { ptr, i64, i64 } %t351, ptr %a354
+  call void @finch_str_concat(ptr %a352, ptr %a353, ptr %a354)
+  store { ptr, i64, i64 } %t343, ptr %a355
+  call void @finch_str_drop(ptr %a355)
+  store { ptr, i64, i64 } %t351, ptr %a356
+  call void @finch_str_drop(ptr %a356)
+  %t357 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t357, ptr %a359
+  store { ptr, i64, i64 } { ptr @.str.2758, i64 15, i64 0 }, ptr %a360
+  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
+  store { ptr, i64, i64 } %t357, ptr %a361
+  call void @finch_str_drop(ptr %a361)
+  %t362 = load { ptr, i64, i64 }, ptr %a358
+  %t363 = load i64, ptr %a323
+  call void @finch_str_from_int(ptr %a364, i64 %t363)
+  %t365 = load { ptr, i64, i64 }, ptr %a364
+  store { ptr, i64, i64 } %t362, ptr %a367
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  store { ptr, i64, i64 } %t362, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  store { ptr, i64, i64 } %t365, ptr %a370
+  call void @finch_str_drop(ptr %a370)
+  %t371 = load { ptr, i64, i64 }, ptr %a366
+  store { ptr, i64, i64 } %t371, ptr %a373
+  store { ptr, i64, i64 } { ptr @.str.2759, i64 2, i64 0 }, ptr %a374
+  call void @finch_str_concat(ptr %a372, ptr %a373, ptr %a374)
+  store { ptr, i64, i64 } %t371, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  %t376 = load { ptr, i64, i64 }, ptr %a372
+  %t377 = load ptr, ptr %a1
+  %t378 = icmp eq ptr %t377, null
+  br i1 %t378, label %panic4499, label %ok4500
+panic4499:
+  call void @finch_panic(ptr @.str.2760, i64 1993, ptr @.str.2761)
   unreachable
-inrange4275:
-  %t353 = extractvalue { ptr, i64, i64 } %t350, 0
-  %t354 = getelementptr inbounds { ptr, i64, i64 }, ptr %t353, i64 %t349
-  store { ptr, i64, i64 } %t345, ptr %t354
-  br label %endif4267
-else4266:
-  %t355 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t355, ptr %a356
-  store { ptr, i64, i64 } { ptr @.str.2672, i64 3, i64 0 }, ptr %a357
-  %t358 = call i32 @finch_str_eq(ptr %a356, ptr %a357)
-  %t359 = icmp ne i32 %t358, 0
-  br label %logic.from4276
-logic.from4276:
-  br i1 %t359, label %logic.end4278, label %logic.rhs4277
-logic.rhs4277:
-  %t360 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t360, ptr %a361
-  store { ptr, i64, i64 } { ptr @.str.2673, i64 5, i64 0 }, ptr %a362
-  %t363 = call i32 @finch_str_eq(ptr %a361, ptr %a362)
-  %t364 = icmp ne i32 %t363, 0
-  br label %logic.rend4279
-logic.rend4279:
-  br label %logic.end4278
-logic.end4278:
-  %t365 = phi i1 [ true, %logic.from4276 ], [ %t364, %logic.rend4279 ]
-  br i1 %t365, label %then4280, label %else4281
-then4280:
-  %t366 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2674, i64 4, i64 0 })
-  store %S.ast.Type %t366, ptr %a367
-  %t368 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t368, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.2675, i64 5, i64 0 }, ptr %a370
-  %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
-  %t372 = icmp ne i32 %t371, 0
-  br i1 %t372, label %then4283, label %endif4285
-then4283:
-  %t373 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t374 = load { ptr, i64, i64 }, ptr %t373
-  %t375 = extractvalue { ptr, i64, i64 } %t374, 1
-  %t376 = icmp uge i64 0, %t375
-  br i1 %t376, label %range4286, label %inrange4287
-range4286:
-  call void @finch_panic_index(ptr @.str.2676, i64 1842, i64 0, i64 %t375)
+ok4500:
+  %t379 = getelementptr inbounds %S.gen.Gen, ptr %t377, i32 0, i32 32
+  %t380 = load i64, ptr %a49
+  %t381 = load { ptr, i64, i64 }, ptr %t379
+  %t382 = extractvalue { ptr, i64, i64 } %t381, 1
+  %t383 = icmp uge i64 %t380, %t382
+  br i1 %t383, label %range4501, label %inrange4502
+range4501:
+  call void @finch_panic_index(ptr @.str.2762, i64 1993, i64 %t380, i64 %t382)
   unreachable
-inrange4287:
-  %t377 = extractvalue { ptr, i64, i64 } %t374, 0
-  %t378 = getelementptr inbounds %S.ast.Type, ptr %t377, i64 0
-  %t379 = load %S.ast.Type, ptr %t378
-  store %S.ast.Type %t379, ptr %a380
-  call void @finch.copy.S_ast_Type(ptr %a381, ptr %a380)
-  %t382 = load %S.ast.Type, ptr %a381
-  store %S.ast.Type %t382, ptr %a367
-  br label %endif4285
-endif4285:
-  %t383 = load ptr, ptr %a1
-  %t384 = load ptr, ptr %a1
-  %t385 = load %S.ast.Type, ptr %a367
-  %t386 = call i64 @finch.gen.diType(ptr %t384, %S.ast.Type %t385)
-  %t387 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t386)
-  store { ptr, i64, i64 } { ptr @.str.2677, i64 51, i64 0 }, ptr %a389
-  store { ptr, i64, i64 } %t387, ptr %a390
-  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
-  %t391 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t391, ptr %a393
-  store { ptr, i64, i64 } { ptr @.str.2678, i64 11, i64 0 }, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  %t396 = call i64 @finch.gen.md(ptr %t383, { ptr, i64, i64 } %t395)
-  store i64 %t396, ptr %a397
-  %t398 = load ptr, ptr %a1
-  %t399 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2679, i64 3, i64 0 })
-  %t400 = call i64 @finch.gen.diType(ptr %t398, %S.ast.Type %t399)
-  store i64 %t400, ptr %a401
-  %t402 = load ptr, ptr %a1
-  %t403 = load i64, ptr %a48
-  %t404 = load i64, ptr %a58
-  %t405 = load i64, ptr %a397
-  %t406 = call i64 @finch.gen.dbgMember(ptr %t402, { ptr, i64, i64 } { ptr @.str.2680, i64 3, i64 0 }, i64 %t403, i64 %t404, i64 0, i64 %t405, i64 64, i64 0)
-  store i64 %t406, ptr %a407
-  %t408 = load ptr, ptr %a1
-  %t409 = load i64, ptr %a48
-  %t410 = load i64, ptr %a58
-  %t411 = load i64, ptr %a401
-  %t412 = call i64 @finch.gen.dbgMember(ptr %t408, { ptr, i64, i64 } { ptr @.str.2681, i64 3, i64 0 }, i64 %t409, i64 %t410, i64 0, i64 %t411, i64 64, i64 64)
-  store i64 %t412, ptr %a413
-  %t414 = load ptr, ptr %a1
-  %t415 = load i64, ptr %a48
-  %t416 = load i64, ptr %a58
-  %t417 = load i64, ptr %a401
-  %t418 = call i64 @finch.gen.dbgMember(ptr %t414, { ptr, i64, i64 } { ptr @.str.2682, i64 3, i64 0 }, i64 %t415, i64 %t416, i64 0, i64 %t417, i64 64, i64 128)
-  store i64 %t418, ptr %a419
-  %t420 = load %S.ast.Type, ptr %a2
-  %t421 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t420)
-  store { ptr, i64, i64 } { ptr @.str.2683, i64 52, i64 0 }, ptr %a423
-  store { ptr, i64, i64 } %t421, ptr %a424
-  call void @finch_str_concat(ptr %a422, ptr %a423, ptr %a424)
-  %t425 = load { ptr, i64, i64 }, ptr %a422
-  store { ptr, i64, i64 } %t425, ptr %a427
-  store { ptr, i64, i64 } { ptr @.str.2684, i64 10, i64 0 }, ptr %a428
-  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
-  %t429 = load { ptr, i64, i64 }, ptr %a426
-  %t430 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a431, i64 %t430)
-  %t432 = load { ptr, i64, i64 }, ptr %a431
-  store { ptr, i64, i64 } %t429, ptr %a434
-  store { ptr, i64, i64 } %t432, ptr %a435
-  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
-  %t436 = load { ptr, i64, i64 }, ptr %a433
-  store { ptr, i64, i64 } %t436, ptr %a438
-  store { ptr, i64, i64 } { ptr @.str.2685, i64 37, i64 0 }, ptr %a439
-  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
-  %t440 = load { ptr, i64, i64 }, ptr %a437
-  %t441 = load i64, ptr %a407
-  call void @finch_str_from_int(ptr %a442, i64 %t441)
-  %t443 = load { ptr, i64, i64 }, ptr %a442
-  store { ptr, i64, i64 } %t440, ptr %a445
-  store { ptr, i64, i64 } %t443, ptr %a446
-  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
-  %t447 = load { ptr, i64, i64 }, ptr %a444
-  store { ptr, i64, i64 } %t447, ptr %a449
-  store { ptr, i64, i64 } { ptr @.str.2686, i64 3, i64 0 }, ptr %a450
-  call void @finch_str_concat(ptr %a448, ptr %a449, ptr %a450)
-  %t451 = load { ptr, i64, i64 }, ptr %a448
-  %t452 = load i64, ptr %a413
-  call void @finch_str_from_int(ptr %a453, i64 %t452)
-  %t454 = load { ptr, i64, i64 }, ptr %a453
-  store { ptr, i64, i64 } %t451, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
-  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
-  %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.2687, i64 3, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load i64, ptr %a419
-  call void @finch_str_from_int(ptr %a464, i64 %t463)
-  %t465 = load { ptr, i64, i64 }, ptr %a464
-  store { ptr, i64, i64 } %t462, ptr %a467
-  store { ptr, i64, i64 } %t465, ptr %a468
+inrange4502:
+  %t384 = extractvalue { ptr, i64, i64 } %t381, 0
+  %t385 = getelementptr inbounds { ptr, i64, i64 }, ptr %t384, i64 %t380
+  %t386 = load { ptr, i64, i64 }, ptr %t385
+  store { ptr, i64, i64 } %t376, ptr %t385
+  store { ptr, i64, i64 } %t386, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  br label %endif4494
+else4493:
+  %t388 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t388, ptr %a389
+  store { ptr, i64, i64 } { ptr @.str.2763, i64 3, i64 0 }, ptr %a390
+  %t391 = call i32 @finch_str_eq(ptr %a389, ptr %a390)
+  %t392 = icmp ne i32 %t391, 0
+  br label %logic.from4503
+logic.from4503:
+  br i1 %t392, label %logic.end4505, label %logic.rhs4504
+logic.rhs4504:
+  %t393 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t393, ptr %a394
+  store { ptr, i64, i64 } { ptr @.str.2764, i64 5, i64 0 }, ptr %a395
+  %t396 = call i32 @finch_str_eq(ptr %a394, ptr %a395)
+  %t397 = icmp ne i32 %t396, 0
+  br label %logic.rend4506
+logic.rend4506:
+  br label %logic.end4505
+logic.end4505:
+  %t398 = phi i1 [ true, %logic.from4503 ], [ %t397, %logic.rend4506 ]
+  br i1 %t398, label %then4507, label %else4508
+then4507:
+  %t399 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2765, i64 4, i64 0 })
+  store %S.ast.Type %t399, ptr %a400
+  %t401 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t401, ptr %a402
+  store { ptr, i64, i64 } { ptr @.str.2766, i64 5, i64 0 }, ptr %a403
+  %t404 = call i32 @finch_str_eq(ptr %a402, ptr %a403)
+  %t405 = icmp ne i32 %t404, 0
+  br i1 %t405, label %then4510, label %endif4512
+then4510:
+  %t406 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t407 = load { ptr, i64, i64 }, ptr %t406
+  %t408 = extractvalue { ptr, i64, i64 } %t407, 1
+  %t409 = icmp uge i64 0, %t408
+  br i1 %t409, label %range4513, label %inrange4514
+range4513:
+  call void @finch_panic_index(ptr @.str.2767, i64 1997, i64 0, i64 %t408)
+  unreachable
+inrange4514:
+  %t410 = extractvalue { ptr, i64, i64 } %t407, 0
+  %t411 = getelementptr inbounds %S.ast.Type, ptr %t410, i64 0
+  %t412 = load %S.ast.Type, ptr %t411
+  store %S.ast.Type %t412, ptr %a413
+  call void @finch.copy.S_ast_Type(ptr %a414, ptr %a413)
+  %t415 = load %S.ast.Type, ptr %a414
+  %t416 = load %S.ast.Type, ptr %a400
+  store %S.ast.Type %t415, ptr %a400
+  store %S.ast.Type %t416, ptr %a417
+  call void @finch.drop.S_ast_Type(ptr %a417)
+  br label %endif4512
+endif4512:
+  %t418 = load ptr, ptr %a1
+  %t419 = load ptr, ptr %a1
+  %t420 = load %S.ast.Type, ptr %a400
+  %t421 = call i64 @finch.gen.diType(ptr %t419, %S.ast.Type %t420)
+  %t422 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t421)
+  store { ptr, i64, i64 } { ptr @.str.2768, i64 51, i64 0 }, ptr %a424
+  store { ptr, i64, i64 } %t422, ptr %a425
+  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
+  store { ptr, i64, i64 } %t422, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  %t427 = load { ptr, i64, i64 }, ptr %a423
+  store { ptr, i64, i64 } %t427, ptr %a429
+  store { ptr, i64, i64 } { ptr @.str.2769, i64 11, i64 0 }, ptr %a430
+  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
+  store { ptr, i64, i64 } %t427, ptr %a431
+  call void @finch_str_drop(ptr %a431)
+  %t432 = load { ptr, i64, i64 }, ptr %a428
+  %t433 = call i64 @finch.gen.md(ptr %t418, { ptr, i64, i64 } %t432)
+  store { ptr, i64, i64 } %t432, ptr %a434
+  call void @finch_str_drop(ptr %a434)
+  store i64 %t433, ptr %a435
+  %t436 = load ptr, ptr %a1
+  %t437 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2770, i64 3, i64 0 })
+  %t438 = call i64 @finch.gen.diType(ptr %t436, %S.ast.Type %t437)
+  store %S.ast.Type %t437, ptr %a439
+  call void @finch.drop.S_ast_Type(ptr %a439)
+  store i64 %t438, ptr %a440
+  %t441 = load ptr, ptr %a1
+  %t442 = load i64, ptr %a49
+  %t443 = load i64, ptr %a59
+  %t444 = load i64, ptr %a435
+  %t445 = call i64 @finch.gen.dbgMember(ptr %t441, { ptr, i64, i64 } { ptr @.str.2771, i64 3, i64 0 }, i64 %t442, i64 %t443, i64 0, i64 %t444, i64 64, i64 0)
+  store i64 %t445, ptr %a446
+  %t447 = load ptr, ptr %a1
+  %t448 = load i64, ptr %a49
+  %t449 = load i64, ptr %a59
+  %t450 = load i64, ptr %a440
+  %t451 = call i64 @finch.gen.dbgMember(ptr %t447, { ptr, i64, i64 } { ptr @.str.2772, i64 3, i64 0 }, i64 %t448, i64 %t449, i64 0, i64 %t450, i64 64, i64 64)
+  store i64 %t451, ptr %a452
+  %t453 = load ptr, ptr %a1
+  %t454 = load i64, ptr %a49
+  %t455 = load i64, ptr %a59
+  %t456 = load i64, ptr %a440
+  %t457 = call i64 @finch.gen.dbgMember(ptr %t453, { ptr, i64, i64 } { ptr @.str.2773, i64 3, i64 0 }, i64 %t454, i64 %t455, i64 0, i64 %t456, i64 64, i64 128)
+  store i64 %t457, ptr %a458
+  %t459 = load %S.ast.Type, ptr %a2
+  %t460 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t459)
+  store { ptr, i64, i64 } { ptr @.str.2774, i64 52, i64 0 }, ptr %a462
+  store { ptr, i64, i64 } %t460, ptr %a463
+  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
+  store { ptr, i64, i64 } %t460, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  %t465 = load { ptr, i64, i64 }, ptr %a461
+  store { ptr, i64, i64 } %t465, ptr %a467
+  store { ptr, i64, i64 } { ptr @.str.2775, i64 10, i64 0 }, ptr %a468
   call void @finch_str_concat(ptr %a466, ptr %a467, ptr %a468)
-  %t469 = load { ptr, i64, i64 }, ptr %a466
-  store { ptr, i64, i64 } %t469, ptr %a471
-  store { ptr, i64, i64 } { ptr @.str.2688, i64 2, i64 0 }, ptr %a472
-  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
-  %t473 = load { ptr, i64, i64 }, ptr %a470
-  %t474 = load ptr, ptr %a1
-  %t475 = icmp eq ptr %t474, null
-  br i1 %t475, label %panic4288, label %ok4289
-panic4288:
-  call void @finch_panic(ptr @.str.2689, i64 1849, ptr @.str.2690)
+  store { ptr, i64, i64 } %t465, ptr %a469
+  call void @finch_str_drop(ptr %a469)
+  %t470 = load { ptr, i64, i64 }, ptr %a466
+  %t471 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a472, i64 %t471)
+  %t473 = load { ptr, i64, i64 }, ptr %a472
+  store { ptr, i64, i64 } %t470, ptr %a475
+  store { ptr, i64, i64 } %t473, ptr %a476
+  call void @finch_str_concat(ptr %a474, ptr %a475, ptr %a476)
+  store { ptr, i64, i64 } %t470, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  store { ptr, i64, i64 } %t473, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  %t479 = load { ptr, i64, i64 }, ptr %a474
+  store { ptr, i64, i64 } %t479, ptr %a481
+  store { ptr, i64, i64 } { ptr @.str.2776, i64 37, i64 0 }, ptr %a482
+  call void @finch_str_concat(ptr %a480, ptr %a481, ptr %a482)
+  store { ptr, i64, i64 } %t479, ptr %a483
+  call void @finch_str_drop(ptr %a483)
+  %t484 = load { ptr, i64, i64 }, ptr %a480
+  %t485 = load i64, ptr %a446
+  call void @finch_str_from_int(ptr %a486, i64 %t485)
+  %t487 = load { ptr, i64, i64 }, ptr %a486
+  store { ptr, i64, i64 } %t484, ptr %a489
+  store { ptr, i64, i64 } %t487, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  store { ptr, i64, i64 } %t484, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  store { ptr, i64, i64 } %t487, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = load { ptr, i64, i64 }, ptr %a488
+  store { ptr, i64, i64 } %t493, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.2777, i64 3, i64 0 }, ptr %a496
+  call void @finch_str_concat(ptr %a494, ptr %a495, ptr %a496)
+  store { ptr, i64, i64 } %t493, ptr %a497
+  call void @finch_str_drop(ptr %a497)
+  %t498 = load { ptr, i64, i64 }, ptr %a494
+  %t499 = load i64, ptr %a452
+  call void @finch_str_from_int(ptr %a500, i64 %t499)
+  %t501 = load { ptr, i64, i64 }, ptr %a500
+  store { ptr, i64, i64 } %t498, ptr %a503
+  store { ptr, i64, i64 } %t501, ptr %a504
+  call void @finch_str_concat(ptr %a502, ptr %a503, ptr %a504)
+  store { ptr, i64, i64 } %t498, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  store { ptr, i64, i64 } %t501, ptr %a506
+  call void @finch_str_drop(ptr %a506)
+  %t507 = load { ptr, i64, i64 }, ptr %a502
+  store { ptr, i64, i64 } %t507, ptr %a509
+  store { ptr, i64, i64 } { ptr @.str.2778, i64 3, i64 0 }, ptr %a510
+  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
+  store { ptr, i64, i64 } %t507, ptr %a511
+  call void @finch_str_drop(ptr %a511)
+  %t512 = load { ptr, i64, i64 }, ptr %a508
+  %t513 = load i64, ptr %a458
+  call void @finch_str_from_int(ptr %a514, i64 %t513)
+  %t515 = load { ptr, i64, i64 }, ptr %a514
+  store { ptr, i64, i64 } %t512, ptr %a517
+  store { ptr, i64, i64 } %t515, ptr %a518
+  call void @finch_str_concat(ptr %a516, ptr %a517, ptr %a518)
+  store { ptr, i64, i64 } %t512, ptr %a519
+  call void @finch_str_drop(ptr %a519)
+  store { ptr, i64, i64 } %t515, ptr %a520
+  call void @finch_str_drop(ptr %a520)
+  %t521 = load { ptr, i64, i64 }, ptr %a516
+  store { ptr, i64, i64 } %t521, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.2779, i64 2, i64 0 }, ptr %a524
+  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
+  store { ptr, i64, i64 } %t521, ptr %a525
+  call void @finch_str_drop(ptr %a525)
+  %t526 = load { ptr, i64, i64 }, ptr %a522
+  %t527 = load ptr, ptr %a1
+  %t528 = icmp eq ptr %t527, null
+  br i1 %t528, label %panic4515, label %ok4516
+panic4515:
+  call void @finch_panic(ptr @.str.2780, i64 2004, ptr @.str.2781)
   unreachable
-ok4289:
-  %t476 = getelementptr inbounds %S.gen.Gen, ptr %t474, i32 0, i32 31
-  %t477 = load i64, ptr %a48
-  %t478 = load { ptr, i64, i64 }, ptr %t476
-  %t479 = extractvalue { ptr, i64, i64 } %t478, 1
-  %t480 = icmp uge i64 %t477, %t479
-  br i1 %t480, label %range4290, label %inrange4291
-range4290:
-  call void @finch_panic_index(ptr @.str.2691, i64 1849, i64 %t477, i64 %t479)
+ok4516:
+  %t529 = getelementptr inbounds %S.gen.Gen, ptr %t527, i32 0, i32 32
+  %t530 = load i64, ptr %a49
+  %t531 = load { ptr, i64, i64 }, ptr %t529
+  %t532 = extractvalue { ptr, i64, i64 } %t531, 1
+  %t533 = icmp uge i64 %t530, %t532
+  br i1 %t533, label %range4517, label %inrange4518
+range4517:
+  call void @finch_panic_index(ptr @.str.2782, i64 2004, i64 %t530, i64 %t532)
   unreachable
-inrange4291:
-  %t481 = extractvalue { ptr, i64, i64 } %t478, 0
-  %t482 = getelementptr inbounds { ptr, i64, i64 }, ptr %t481, i64 %t477
-  store { ptr, i64, i64 } %t473, ptr %t482
-  br label %endif4282
-else4281:
-  %t483 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t483, ptr %a484
-  store { ptr, i64, i64 } { ptr @.str.2692, i64 3, i64 0 }, ptr %a485
-  %t486 = call i32 @finch_str_eq(ptr %a484, ptr %a485)
-  %t487 = icmp ne i32 %t486, 0
-  br i1 %t487, label %then4292, label %else4293
-then4292:
-  %t488 = load ptr, ptr %a1
-  %t489 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2693, i64 3, i64 0 })
-  %t490 = call i64 @finch.gen.diType(ptr %t488, %S.ast.Type %t489)
-  store i64 %t490, ptr %a491
-  %t492 = load ptr, ptr %a1
-  %t493 = call i64 @finch.gen.md(ptr %t492, { ptr, i64, i64 } { ptr @.str.2694, i64 66, i64 0 })
-  store i64 %t493, ptr %a494
-  %t495 = mul i64 7, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t496 = call ptr @finch_alloc(i64 %t495)
-  %t497 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 0
-  store { ptr, i64, i64 } { ptr @.str.2695, i64 7, i64 0 }, ptr %t497
-  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 1
-  store { ptr, i64, i64 } { ptr @.str.2696, i64 3, i64 0 }, ptr %t498
-  %t499 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 2
-  store { ptr, i64, i64 } { ptr @.str.2697, i64 4, i64 0 }, ptr %t499
-  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 3
-  store { ptr, i64, i64 } { ptr @.str.2698, i64 3, i64 0 }, ptr %t500
-  %t501 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 4
-  store { ptr, i64, i64 } { ptr @.str.2699, i64 5, i64 0 }, ptr %t501
-  %t502 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 5
-  store { ptr, i64, i64 } { ptr @.str.2700, i64 4, i64 0 }, ptr %t502
-  %t503 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 6
-  store { ptr, i64, i64 } { ptr @.str.2701, i64 4, i64 0 }, ptr %t503
-  %t504 = insertvalue { ptr, i64, i64 } undef, ptr %t496, 0
-  %t505 = insertvalue { ptr, i64, i64 } %t504, i64 7, 1
-  %t506 = insertvalue { ptr, i64, i64 } %t505, i64 7, 2
-  store { ptr, i64, i64 } %t506, ptr %a507
-  store { ptr, i64, i64 } zeroinitializer, ptr %a508
-  store i64 0, ptr %a509
-  br label %for.cond4295
-for.cond4295:
-  %t510 = load i64, ptr %a509
-  %t511 = icmp slt i64 %t510, 7
-  br i1 %t511, label %for.body4296, label %for.end4298
-for.body4296:
-  %t512 = load i64, ptr %a491
-  store i64 %t512, ptr %a513
-  %t514 = load i64, ptr %a509
-  %t515 = icmp eq i64 %t514, 0
-  br label %logic.from4299
-logic.from4299:
-  br i1 %t515, label %logic.end4301, label %logic.rhs4300
-logic.rhs4300:
-  %t516 = load i64, ptr %a509
-  %t517 = icmp eq i64 %t516, 4
-  br label %logic.rend4302
-logic.rend4302:
-  br label %logic.end4301
-logic.end4301:
-  %t518 = phi i1 [ true, %logic.from4299 ], [ %t517, %logic.rend4302 ]
-  br i1 %t518, label %then4303, label %endif4305
-then4303:
-  %t519 = load i64, ptr %a494
-  store i64 %t519, ptr %a513
-  br label %endif4305
-endif4305:
-  %t520 = getelementptr inbounds { ptr, i64, i64 }, ptr %a508, i32 0, i32 1
-  %t521 = load ptr, ptr %a1
-  %t522 = load i64, ptr %a509
-  %t523 = load { ptr, i64, i64 }, ptr %a507
-  %t524 = extractvalue { ptr, i64, i64 } %t523, 1
-  %t525 = icmp uge i64 %t522, %t524
-  br i1 %t525, label %range4306, label %inrange4307
-range4306:
-  call void @finch_panic_index(ptr @.str.2703, i64 1860, i64 %t522, i64 %t524)
+inrange4518:
+  %t534 = extractvalue { ptr, i64, i64 } %t531, 0
+  %t535 = getelementptr inbounds { ptr, i64, i64 }, ptr %t534, i64 %t530
+  %t536 = load { ptr, i64, i64 }, ptr %t535
+  store { ptr, i64, i64 } %t526, ptr %t535
+  store { ptr, i64, i64 } %t536, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  call void @finch.drop.S_ast_Type(ptr %a400)
+  br label %endif4509
+else4508:
+  %t538 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t538, ptr %a539
+  store { ptr, i64, i64 } { ptr @.str.2783, i64 3, i64 0 }, ptr %a540
+  %t541 = call i32 @finch_str_eq(ptr %a539, ptr %a540)
+  %t542 = icmp ne i32 %t541, 0
+  br i1 %t542, label %then4519, label %else4520
+then4519:
+  %t543 = load ptr, ptr %a1
+  %t544 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2784, i64 3, i64 0 })
+  %t545 = call i64 @finch.gen.diType(ptr %t543, %S.ast.Type %t544)
+  store %S.ast.Type %t544, ptr %a546
+  call void @finch.drop.S_ast_Type(ptr %a546)
+  store i64 %t545, ptr %a547
+  %t548 = load ptr, ptr %a1
+  %t549 = call i64 @finch.gen.md(ptr %t548, { ptr, i64, i64 } { ptr @.str.2785, i64 66, i64 0 })
+  store i64 %t549, ptr %a550
+  %t551 = mul i64 7, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t552 = call ptr @finch_alloc(i64 %t551)
+  %t553 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 0
+  store { ptr, i64, i64 } { ptr @.str.2786, i64 7, i64 0 }, ptr %t553
+  %t554 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 1
+  store { ptr, i64, i64 } { ptr @.str.2787, i64 3, i64 0 }, ptr %t554
+  %t555 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 2
+  store { ptr, i64, i64 } { ptr @.str.2788, i64 4, i64 0 }, ptr %t555
+  %t556 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 3
+  store { ptr, i64, i64 } { ptr @.str.2789, i64 3, i64 0 }, ptr %t556
+  %t557 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 4
+  store { ptr, i64, i64 } { ptr @.str.2790, i64 5, i64 0 }, ptr %t557
+  %t558 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 5
+  store { ptr, i64, i64 } { ptr @.str.2791, i64 4, i64 0 }, ptr %t558
+  %t559 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 6
+  store { ptr, i64, i64 } { ptr @.str.2792, i64 4, i64 0 }, ptr %t559
+  %t560 = insertvalue { ptr, i64, i64 } undef, ptr %t552, 0
+  %t561 = insertvalue { ptr, i64, i64 } %t560, i64 7, 1
+  %t562 = insertvalue { ptr, i64, i64 } %t561, i64 7, 2
+  store { ptr, i64, i64 } %t562, ptr %a563
+  store { ptr, i64, i64 } zeroinitializer, ptr %a564
+  store i64 0, ptr %a565
+  br label %for.cond4522
+for.cond4522:
+  %t566 = load i64, ptr %a565
+  %t567 = icmp slt i64 %t566, 7
+  br i1 %t567, label %for.body4523, label %for.end4525
+for.body4523:
+  %t568 = load i64, ptr %a547
+  store i64 %t568, ptr %a569
+  %t570 = load i64, ptr %a565
+  %t571 = icmp eq i64 %t570, 0
+  br label %logic.from4526
+logic.from4526:
+  br i1 %t571, label %logic.end4528, label %logic.rhs4527
+logic.rhs4527:
+  %t572 = load i64, ptr %a565
+  %t573 = icmp eq i64 %t572, 4
+  br label %logic.rend4529
+logic.rend4529:
+  br label %logic.end4528
+logic.end4528:
+  %t574 = phi i1 [ true, %logic.from4526 ], [ %t573, %logic.rend4529 ]
+  br i1 %t574, label %then4530, label %endif4532
+then4530:
+  %t575 = load i64, ptr %a550
+  store i64 %t575, ptr %a569
+  br label %endif4532
+endif4532:
+  %t576 = getelementptr inbounds { ptr, i64, i64 }, ptr %a564, i32 0, i32 1
+  %t577 = load ptr, ptr %a1
+  %t578 = load i64, ptr %a565
+  %t579 = load { ptr, i64, i64 }, ptr %a563
+  %t580 = extractvalue { ptr, i64, i64 } %t579, 1
+  %t581 = icmp uge i64 %t578, %t580
+  br i1 %t581, label %range4533, label %inrange4534
+range4533:
+  call void @finch_panic_index(ptr @.str.2794, i64 2015, i64 %t578, i64 %t580)
   unreachable
-inrange4307:
-  %t526 = extractvalue { ptr, i64, i64 } %t523, 0
-  %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t526, i64 %t522
-  %t528 = load { ptr, i64, i64 }, ptr %t527
-  %t529 = load i64, ptr %a48
-  %t530 = load i64, ptr %a58
-  %t531 = load i64, ptr %a513
-  %t532 = load i64, ptr %a509
-  %t533 = mul i64 64, %t532
-  %t534 = call i64 @finch.gen.dbgMember(ptr %t521, { ptr, i64, i64 } %t528, i64 %t529, i64 %t530, i64 0, i64 %t531, i64 64, i64 %t533)
-  call void @finch_str_from_int(ptr %a535, i64 %t534)
-  %t536 = load { ptr, i64, i64 }, ptr %a535
-  store { ptr, i64, i64 } { ptr @.str.2702, i64 1, i64 0 }, ptr %a538
-  store { ptr, i64, i64 } %t536, ptr %a539
-  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
-  %t540 = load { ptr, i64, i64 }, ptr %a537
-  %t541 = load i64, ptr %t520
-  %t542 = add i64 %t541, 1
-  call void @finch_arr_reserve(ptr %a508, i64 %t542, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t543 = load ptr, ptr %a508
-  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i64 %t541
-  store { ptr, i64, i64 } %t540, ptr %t544
-  store i64 %t542, ptr %t520
-  br label %for.step4297
-for.step4297:
-  %t545 = load i64, ptr %a509
-  %t546 = add i64 %t545, 1
-  store i64 %t546, ptr %a509
-  br label %for.cond4295
-for.end4298:
-  %t547 = load %S.ast.Type, ptr %a2
-  %t548 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t547)
-  store { ptr, i64, i64 } { ptr @.str.2704, i64 52, i64 0 }, ptr %a550
-  store { ptr, i64, i64 } %t548, ptr %a551
-  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  store { ptr, i64, i64 } %t552, ptr %a554
-  store { ptr, i64, i64 } { ptr @.str.2705, i64 10, i64 0 }, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a558, i64 %t557)
-  %t559 = load { ptr, i64, i64 }, ptr %a558
-  store { ptr, i64, i64 } %t556, ptr %a561
-  store { ptr, i64, i64 } %t559, ptr %a562
-  call void @finch_str_concat(ptr %a560, ptr %a561, ptr %a562)
-  %t563 = load { ptr, i64, i64 }, ptr %a560
-  store { ptr, i64, i64 } %t563, ptr %a565
-  store { ptr, i64, i64 } { ptr @.str.2706, i64 36, i64 0 }, ptr %a566
-  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
-  %t567 = load { ptr, i64, i64 }, ptr %a564
-  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %a508, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2707, i64 2, i64 0 }, ptr %a569
-  call void @finch_str_join(ptr %a570, ptr %a508, ptr %a569)
-  %t571 = load { ptr, i64, i64 }, ptr %a570
-  store { ptr, i64, i64 } %t567, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a574
-  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
-  %t575 = load { ptr, i64, i64 }, ptr %a572
-  store { ptr, i64, i64 } %t575, ptr %a577
-  store { ptr, i64, i64 } { ptr @.str.2708, i64 2, i64 0 }, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  %t580 = load ptr, ptr %a1
-  %t581 = icmp eq ptr %t580, null
-  br i1 %t581, label %panic4308, label %ok4309
-panic4308:
-  call void @finch_panic(ptr @.str.2709, i64 1862, ptr @.str.2710)
+inrange4534:
+  %t582 = extractvalue { ptr, i64, i64 } %t579, 0
+  %t583 = getelementptr inbounds { ptr, i64, i64 }, ptr %t582, i64 %t578
+  %t584 = load { ptr, i64, i64 }, ptr %t583
+  %t585 = load i64, ptr %a49
+  %t586 = load i64, ptr %a59
+  %t587 = load i64, ptr %a569
+  %t588 = load i64, ptr %a565
+  %t589 = mul i64 64, %t588
+  %t590 = call i64 @finch.gen.dbgMember(ptr %t577, { ptr, i64, i64 } %t584, i64 %t585, i64 %t586, i64 0, i64 %t587, i64 64, i64 %t589)
+  call void @finch_str_from_int(ptr %a591, i64 %t590)
+  %t592 = load { ptr, i64, i64 }, ptr %a591
+  store { ptr, i64, i64 } { ptr @.str.2793, i64 1, i64 0 }, ptr %a594
+  store { ptr, i64, i64 } %t592, ptr %a595
+  call void @finch_str_concat(ptr %a593, ptr %a594, ptr %a595)
+  store { ptr, i64, i64 } %t592, ptr %a596
+  call void @finch_str_drop(ptr %a596)
+  %t597 = load { ptr, i64, i64 }, ptr %a593
+  %t598 = load i64, ptr %t576
+  %t599 = add i64 %t598, 1
+  call void @finch_arr_reserve(ptr %a564, i64 %t599, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t600 = load ptr, ptr %a564
+  %t601 = getelementptr inbounds { ptr, i64, i64 }, ptr %t600, i64 %t598
+  store { ptr, i64, i64 } %t597, ptr %t601
+  store i64 %t599, ptr %t576
+  br label %for.step4524
+for.step4524:
+  %t602 = load i64, ptr %a565
+  %t603 = add i64 %t602, 1
+  store i64 %t603, ptr %a565
+  br label %for.cond4522
+for.end4525:
+  %t604 = load %S.ast.Type, ptr %a2
+  %t605 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t604)
+  store { ptr, i64, i64 } { ptr @.str.2795, i64 52, i64 0 }, ptr %a607
+  store { ptr, i64, i64 } %t605, ptr %a608
+  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
+  store { ptr, i64, i64 } %t605, ptr %a609
+  call void @finch_str_drop(ptr %a609)
+  %t610 = load { ptr, i64, i64 }, ptr %a606
+  store { ptr, i64, i64 } %t610, ptr %a612
+  store { ptr, i64, i64 } { ptr @.str.2796, i64 10, i64 0 }, ptr %a613
+  call void @finch_str_concat(ptr %a611, ptr %a612, ptr %a613)
+  store { ptr, i64, i64 } %t610, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = load { ptr, i64, i64 }, ptr %a611
+  %t616 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a617, i64 %t616)
+  %t618 = load { ptr, i64, i64 }, ptr %a617
+  store { ptr, i64, i64 } %t615, ptr %a620
+  store { ptr, i64, i64 } %t618, ptr %a621
+  call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
+  store { ptr, i64, i64 } %t615, ptr %a622
+  call void @finch_str_drop(ptr %a622)
+  store { ptr, i64, i64 } %t618, ptr %a623
+  call void @finch_str_drop(ptr %a623)
+  %t624 = load { ptr, i64, i64 }, ptr %a619
+  store { ptr, i64, i64 } %t624, ptr %a626
+  store { ptr, i64, i64 } { ptr @.str.2797, i64 36, i64 0 }, ptr %a627
+  call void @finch_str_concat(ptr %a625, ptr %a626, ptr %a627)
+  store { ptr, i64, i64 } %t624, ptr %a628
+  call void @finch_str_drop(ptr %a628)
+  %t629 = load { ptr, i64, i64 }, ptr %a625
+  %t630 = getelementptr inbounds { ptr, i64, i64 }, ptr %a564, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2798, i64 2, i64 0 }, ptr %a631
+  call void @finch_str_join(ptr %a632, ptr %a564, ptr %a631)
+  %t633 = load { ptr, i64, i64 }, ptr %a632
+  store { ptr, i64, i64 } %t629, ptr %a635
+  store { ptr, i64, i64 } %t633, ptr %a636
+  call void @finch_str_concat(ptr %a634, ptr %a635, ptr %a636)
+  store { ptr, i64, i64 } %t629, ptr %a637
+  call void @finch_str_drop(ptr %a637)
+  store { ptr, i64, i64 } %t633, ptr %a638
+  call void @finch_str_drop(ptr %a638)
+  %t639 = load { ptr, i64, i64 }, ptr %a634
+  store { ptr, i64, i64 } %t639, ptr %a641
+  store { ptr, i64, i64 } { ptr @.str.2799, i64 2, i64 0 }, ptr %a642
+  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
+  store { ptr, i64, i64 } %t639, ptr %a643
+  call void @finch_str_drop(ptr %a643)
+  %t644 = load { ptr, i64, i64 }, ptr %a640
+  %t645 = load ptr, ptr %a1
+  %t646 = icmp eq ptr %t645, null
+  br i1 %t646, label %panic4535, label %ok4536
+panic4535:
+  call void @finch_panic(ptr @.str.2800, i64 2017, ptr @.str.2801)
   unreachable
-ok4309:
-  %t582 = getelementptr inbounds %S.gen.Gen, ptr %t580, i32 0, i32 31
-  %t583 = load i64, ptr %a48
-  %t584 = load { ptr, i64, i64 }, ptr %t582
-  %t585 = extractvalue { ptr, i64, i64 } %t584, 1
-  %t586 = icmp uge i64 %t583, %t585
-  br i1 %t586, label %range4310, label %inrange4311
-range4310:
-  call void @finch_panic_index(ptr @.str.2711, i64 1862, i64 %t583, i64 %t585)
+ok4536:
+  %t647 = getelementptr inbounds %S.gen.Gen, ptr %t645, i32 0, i32 32
+  %t648 = load i64, ptr %a49
+  %t649 = load { ptr, i64, i64 }, ptr %t647
+  %t650 = extractvalue { ptr, i64, i64 } %t649, 1
+  %t651 = icmp uge i64 %t648, %t650
+  br i1 %t651, label %range4537, label %inrange4538
+range4537:
+  call void @finch_panic_index(ptr @.str.2802, i64 2017, i64 %t648, i64 %t650)
   unreachable
-inrange4311:
-  %t587 = extractvalue { ptr, i64, i64 } %t584, 0
-  %t588 = getelementptr inbounds { ptr, i64, i64 }, ptr %t587, i64 %t583
-  store { ptr, i64, i64 } %t579, ptr %t588
-  br label %endif4294
-else4293:
-  %t589 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t589, ptr %a590
-  store { ptr, i64, i64 } { ptr @.str.2712, i64 6, i64 0 }, ptr %a591
-  %t592 = call i32 @finch_str_eq(ptr %a590, ptr %a591)
-  %t593 = icmp ne i32 %t592, 0
-  br i1 %t593, label %then4312, label %else4313
-then4312:
-  %t594 = load ptr, ptr %a1
-  %t595 = icmp eq ptr %t594, null
-  br i1 %t595, label %panic4315, label %ok4316
-panic4315:
-  call void @finch_panic(ptr @.str.2713, i64 1864, ptr @.str.2714)
+inrange4538:
+  %t652 = extractvalue { ptr, i64, i64 } %t649, 0
+  %t653 = getelementptr inbounds { ptr, i64, i64 }, ptr %t652, i64 %t648
+  %t654 = load { ptr, i64, i64 }, ptr %t653
+  store { ptr, i64, i64 } %t644, ptr %t653
+  store { ptr, i64, i64 } %t654, ptr %a655
+  call void @finch_str_drop(ptr %a655)
+  call void @finch.drop.arr_str(ptr %a564)
+  call void @finch.drop.arr_str(ptr %a563)
+  br label %endif4521
+else4520:
+  %t656 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t656, ptr %a657
+  store { ptr, i64, i64 } { ptr @.str.2803, i64 6, i64 0 }, ptr %a658
+  %t659 = call i32 @finch_str_eq(ptr %a657, ptr %a658)
+  %t660 = icmp ne i32 %t659, 0
+  br i1 %t660, label %then4539, label %else4540
+then4539:
+  %t661 = load ptr, ptr %a1
+  %t662 = icmp eq ptr %t661, null
+  br i1 %t662, label %panic4542, label %ok4543
+panic4542:
+  call void @finch_panic(ptr @.str.2804, i64 2019, ptr @.str.2805)
   unreachable
-ok4316:
-  %t596 = getelementptr inbounds %S.gen.Gen, ptr %t594, i32 0, i32 15
-  %t597 = load ptr, ptr %a1
-  %t598 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t599 = load { ptr, i64, i64 }, ptr %t598
-  %t600 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t601 = load { ptr, i64, i64 }, ptr %t600
-  %t602 = call i64 @finch.gen.findStruct(ptr %t597, { ptr, i64, i64 } %t599, { ptr, i64, i64 } %t601)
-  %t603 = load { ptr, i64, i64 }, ptr %t596
-  %t604 = extractvalue { ptr, i64, i64 } %t603, 1
-  %t605 = icmp uge i64 %t602, %t604
-  br i1 %t605, label %range4317, label %inrange4318
-range4317:
-  call void @finch_panic_index(ptr @.str.2715, i64 1864, i64 %t602, i64 %t604)
+ok4543:
+  %t663 = getelementptr inbounds %S.gen.Gen, ptr %t661, i32 0, i32 16
+  %t664 = load ptr, ptr %a1
+  %t665 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t666 = load { ptr, i64, i64 }, ptr %t665
+  %t667 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t668 = load { ptr, i64, i64 }, ptr %t667
+  %t669 = call i64 @finch.gen.findStruct(ptr %t664, { ptr, i64, i64 } %t666, { ptr, i64, i64 } %t668)
+  %t670 = load { ptr, i64, i64 }, ptr %t663
+  %t671 = extractvalue { ptr, i64, i64 } %t670, 1
+  %t672 = icmp uge i64 %t669, %t671
+  br i1 %t672, label %range4544, label %inrange4545
+range4544:
+  call void @finch_panic_index(ptr @.str.2806, i64 2019, i64 %t669, i64 %t671)
   unreachable
-inrange4318:
-  %t606 = extractvalue { ptr, i64, i64 } %t603, 0
-  %t607 = getelementptr inbounds %S.gen.StructDef, ptr %t606, i64 %t602
-  %t608 = load %S.gen.StructDef, ptr %t607
-  store %S.gen.StructDef %t608, ptr %a609
-  call void @finch.copy.S_gen_StructDef(ptr %a610, ptr %a609)
-  %t611 = load %S.gen.StructDef, ptr %a610
-  store %S.gen.StructDef %t611, ptr %a612
-  %t613 = load ptr, ptr %a1
-  %t614 = load %S.gen.StructDef, ptr %a612
-  %t615 = call { ptr, i64, i64 } @finch.gen.fieldOffsets(ptr %t613, %S.gen.StructDef %t614)
-  store { ptr, i64, i64 } %t615, ptr %a616
-  %t617 = load ptr, ptr %a1
-  %t618 = load %S.ast.Type, ptr %a2
-  %t619 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t617, %S.ast.Type %t618)
-  store %S.gen.SizeAlign %t619, ptr %a620
-  store { ptr, i64, i64 } zeroinitializer, ptr %a621
-  %t622 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 12
-  %t623 = getelementptr inbounds { ptr, i64, i64 }, ptr %t622, i32 0, i32 1
-  %t624 = load i64, ptr %t623
-  store i64 0, ptr %a625
-  br label %for.cond4319
-for.cond4319:
-  %t626 = load i64, ptr %a625
-  %t627 = icmp slt i64 %t626, %t624
-  br i1 %t627, label %for.body4320, label %for.end4322
-for.body4320:
-  %t628 = load ptr, ptr %a1
-  %t629 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 12
-  %t630 = load i64, ptr %a625
-  %t631 = load { ptr, i64, i64 }, ptr %t629
-  %t632 = extractvalue { ptr, i64, i64 } %t631, 1
-  %t633 = icmp uge i64 %t630, %t632
-  br i1 %t633, label %range4323, label %inrange4324
-range4323:
-  call void @finch_panic_index(ptr @.str.2716, i64 1869, i64 %t630, i64 %t632)
+inrange4545:
+  %t673 = extractvalue { ptr, i64, i64 } %t670, 0
+  %t674 = getelementptr inbounds %S.gen.StructDef, ptr %t673, i64 %t669
+  %t675 = load %S.gen.StructDef, ptr %t674
+  store %S.gen.StructDef %t675, ptr %a676
+  call void @finch.copy.S_gen_StructDef(ptr %a677, ptr %a676)
+  %t678 = load %S.gen.StructDef, ptr %a677
+  store %S.gen.StructDef %t678, ptr %a679
+  %t680 = load ptr, ptr %a1
+  %t681 = load %S.gen.StructDef, ptr %a679
+  %t682 = call { ptr, i64, i64 } @finch.gen.fieldOffsets(ptr %t680, %S.gen.StructDef %t681)
+  store { ptr, i64, i64 } %t682, ptr %a683
+  %t684 = load ptr, ptr %a1
+  %t685 = load %S.ast.Type, ptr %a2
+  %t686 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t684, %S.ast.Type %t685)
+  store %S.gen.SizeAlign %t686, ptr %a687
+  store { ptr, i64, i64 } zeroinitializer, ptr %a688
+  %t689 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 12
+  %t690 = getelementptr inbounds { ptr, i64, i64 }, ptr %t689, i32 0, i32 1
+  %t691 = load i64, ptr %t690
+  store i64 0, ptr %a692
+  br label %for.cond4546
+for.cond4546:
+  %t693 = load i64, ptr %a692
+  %t694 = icmp slt i64 %t693, %t691
+  br i1 %t694, label %for.body4547, label %for.end4549
+for.body4547:
+  %t695 = load ptr, ptr %a1
+  %t696 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 12
+  %t697 = load i64, ptr %a692
+  %t698 = load { ptr, i64, i64 }, ptr %t696
+  %t699 = extractvalue { ptr, i64, i64 } %t698, 1
+  %t700 = icmp uge i64 %t697, %t699
+  br i1 %t700, label %range4550, label %inrange4551
+range4550:
+  call void @finch_panic_index(ptr @.str.2807, i64 2024, i64 %t697, i64 %t699)
   unreachable
-inrange4324:
-  %t634 = extractvalue { ptr, i64, i64 } %t631, 0
-  %t635 = getelementptr inbounds %S.ast.Type, ptr %t634, i64 %t630
-  %t636 = load %S.ast.Type, ptr %t635
-  %t637 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t628, %S.ast.Type %t636)
-  store %S.gen.SizeAlign %t637, ptr %a638
-  %t639 = getelementptr inbounds { ptr, i64, i64 }, ptr %a621, i32 0, i32 1
-  %t640 = load ptr, ptr %a1
-  %t641 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 11
-  %t642 = load i64, ptr %a625
-  %t643 = load { ptr, i64, i64 }, ptr %t641
-  %t644 = extractvalue { ptr, i64, i64 } %t643, 1
-  %t645 = icmp uge i64 %t642, %t644
-  br i1 %t645, label %range4325, label %inrange4326
-range4325:
-  call void @finch_panic_index(ptr @.str.2718, i64 1870, i64 %t642, i64 %t644)
+inrange4551:
+  %t701 = extractvalue { ptr, i64, i64 } %t698, 0
+  %t702 = getelementptr inbounds %S.ast.Type, ptr %t701, i64 %t697
+  %t703 = load %S.ast.Type, ptr %t702
+  %t704 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t695, %S.ast.Type %t703)
+  store %S.gen.SizeAlign %t704, ptr %a705
+  %t706 = getelementptr inbounds { ptr, i64, i64 }, ptr %a688, i32 0, i32 1
+  %t707 = load ptr, ptr %a1
+  %t708 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 11
+  %t709 = load i64, ptr %a692
+  %t710 = load { ptr, i64, i64 }, ptr %t708
+  %t711 = extractvalue { ptr, i64, i64 } %t710, 1
+  %t712 = icmp uge i64 %t709, %t711
+  br i1 %t712, label %range4552, label %inrange4553
+range4552:
+  call void @finch_panic_index(ptr @.str.2809, i64 2025, i64 %t709, i64 %t711)
   unreachable
-inrange4326:
-  %t646 = extractvalue { ptr, i64, i64 } %t643, 0
-  %t647 = getelementptr inbounds { ptr, i64, i64 }, ptr %t646, i64 %t642
-  %t648 = load { ptr, i64, i64 }, ptr %t647
-  %t649 = load i64, ptr %a48
-  %t650 = load i64, ptr %a58
-  %t651 = load ptr, ptr %a1
-  %t652 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 12
-  %t653 = load i64, ptr %a625
-  %t654 = load { ptr, i64, i64 }, ptr %t652
-  %t655 = extractvalue { ptr, i64, i64 } %t654, 1
-  %t656 = icmp uge i64 %t653, %t655
-  br i1 %t656, label %range4327, label %inrange4328
-range4327:
-  call void @finch_panic_index(ptr @.str.2719, i64 1870, i64 %t653, i64 %t655)
+inrange4553:
+  %t713 = extractvalue { ptr, i64, i64 } %t710, 0
+  %t714 = getelementptr inbounds { ptr, i64, i64 }, ptr %t713, i64 %t709
+  %t715 = load { ptr, i64, i64 }, ptr %t714
+  %t716 = load i64, ptr %a49
+  %t717 = load i64, ptr %a59
+  %t718 = load ptr, ptr %a1
+  %t719 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 12
+  %t720 = load i64, ptr %a692
+  %t721 = load { ptr, i64, i64 }, ptr %t719
+  %t722 = extractvalue { ptr, i64, i64 } %t721, 1
+  %t723 = icmp uge i64 %t720, %t722
+  br i1 %t723, label %range4554, label %inrange4555
+range4554:
+  call void @finch_panic_index(ptr @.str.2810, i64 2025, i64 %t720, i64 %t722)
   unreachable
-inrange4328:
-  %t657 = extractvalue { ptr, i64, i64 } %t654, 0
-  %t658 = getelementptr inbounds %S.ast.Type, ptr %t657, i64 %t653
-  %t659 = load %S.ast.Type, ptr %t658
-  %t660 = call i64 @finch.gen.diType(ptr %t651, %S.ast.Type %t659)
-  %t661 = getelementptr inbounds %S.gen.SizeAlign, ptr %a638, i32 0, i32 0
-  %t662 = load i64, ptr %t661
-  %t663 = mul i64 %t662, 8
-  %t664 = load i64, ptr %a625
-  %t665 = load { ptr, i64, i64 }, ptr %a616
-  %t666 = extractvalue { ptr, i64, i64 } %t665, 1
-  %t667 = icmp uge i64 %t664, %t666
-  br i1 %t667, label %range4329, label %inrange4330
-range4329:
-  call void @finch_panic_index(ptr @.str.2720, i64 1870, i64 %t664, i64 %t666)
+inrange4555:
+  %t724 = extractvalue { ptr, i64, i64 } %t721, 0
+  %t725 = getelementptr inbounds %S.ast.Type, ptr %t724, i64 %t720
+  %t726 = load %S.ast.Type, ptr %t725
+  %t727 = call i64 @finch.gen.diType(ptr %t718, %S.ast.Type %t726)
+  %t728 = getelementptr inbounds %S.gen.SizeAlign, ptr %a705, i32 0, i32 0
+  %t729 = load i64, ptr %t728
+  %t730 = mul i64 %t729, 8
+  %t731 = load i64, ptr %a692
+  %t732 = load { ptr, i64, i64 }, ptr %a683
+  %t733 = extractvalue { ptr, i64, i64 } %t732, 1
+  %t734 = icmp uge i64 %t731, %t733
+  br i1 %t734, label %range4556, label %inrange4557
+range4556:
+  call void @finch_panic_index(ptr @.str.2811, i64 2025, i64 %t731, i64 %t733)
   unreachable
-inrange4330:
-  %t668 = extractvalue { ptr, i64, i64 } %t665, 0
-  %t669 = getelementptr inbounds i64, ptr %t668, i64 %t664
-  %t670 = load i64, ptr %t669
-  %t671 = mul i64 %t670, 8
-  %t672 = call i64 @finch.gen.dbgMember(ptr %t640, { ptr, i64, i64 } %t648, i64 %t649, i64 %t650, i64 0, i64 %t660, i64 %t663, i64 %t671)
-  call void @finch_str_from_int(ptr %a673, i64 %t672)
-  %t674 = load { ptr, i64, i64 }, ptr %a673
-  store { ptr, i64, i64 } { ptr @.str.2717, i64 1, i64 0 }, ptr %a676
-  store { ptr, i64, i64 } %t674, ptr %a677
-  call void @finch_str_concat(ptr %a675, ptr %a676, ptr %a677)
-  %t678 = load { ptr, i64, i64 }, ptr %a675
-  %t679 = load i64, ptr %t639
-  %t680 = add i64 %t679, 1
-  call void @finch_arr_reserve(ptr %a621, i64 %t680, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t681 = load ptr, ptr %a621
-  %t682 = getelementptr inbounds { ptr, i64, i64 }, ptr %t681, i64 %t679
-  store { ptr, i64, i64 } %t678, ptr %t682
-  store i64 %t680, ptr %t639
-  br label %for.step4321
-for.step4321:
-  %t683 = load i64, ptr %a625
-  %t684 = add i64 %t683, 1
-  store i64 %t684, ptr %a625
-  br label %for.cond4319
-for.end4322:
-  %t685 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 1
-  %t686 = load { ptr, i64, i64 }, ptr %t685
-  store { ptr, i64, i64 } { ptr @.str.2721, i64 52, i64 0 }, ptr %a688
-  store { ptr, i64, i64 } %t686, ptr %a689
-  call void @finch_str_concat(ptr %a687, ptr %a688, ptr %a689)
-  %t690 = load { ptr, i64, i64 }, ptr %a687
-  store { ptr, i64, i64 } %t690, ptr %a692
-  store { ptr, i64, i64 } { ptr @.str.2722, i64 10, i64 0 }, ptr %a693
-  call void @finch_str_concat(ptr %a691, ptr %a692, ptr %a693)
-  %t694 = load { ptr, i64, i64 }, ptr %a691
-  %t695 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a696, i64 %t695)
-  %t697 = load { ptr, i64, i64 }, ptr %a696
-  store { ptr, i64, i64 } %t694, ptr %a699
-  store { ptr, i64, i64 } %t697, ptr %a700
-  call void @finch_str_concat(ptr %a698, ptr %a699, ptr %a700)
-  %t701 = load { ptr, i64, i64 }, ptr %a698
-  store { ptr, i64, i64 } %t701, ptr %a703
-  store { ptr, i64, i64 } { ptr @.str.2723, i64 8, i64 0 }, ptr %a704
-  call void @finch_str_concat(ptr %a702, ptr %a703, ptr %a704)
-  %t705 = load { ptr, i64, i64 }, ptr %a702
-  %t706 = getelementptr inbounds %S.gen.SizeAlign, ptr %a620, i32 0, i32 0
-  %t707 = load i64, ptr %t706
-  %t708 = mul i64 %t707, 8
-  call void @finch_str_from_int(ptr %a709, i64 %t708)
-  %t710 = load { ptr, i64, i64 }, ptr %a709
-  store { ptr, i64, i64 } %t705, ptr %a712
-  store { ptr, i64, i64 } %t710, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t714, ptr %a716
-  store { ptr, i64, i64 } { ptr @.str.2724, i64 24, i64 0 }, ptr %a717
-  call void @finch_str_concat(ptr %a715, ptr %a716, ptr %a717)
-  %t718 = load { ptr, i64, i64 }, ptr %a715
-  %t719 = getelementptr inbounds { ptr, i64, i64 }, ptr %a621, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2725, i64 2, i64 0 }, ptr %a720
-  call void @finch_str_join(ptr %a721, ptr %a621, ptr %a720)
-  %t722 = load { ptr, i64, i64 }, ptr %a721
-  store { ptr, i64, i64 } %t718, ptr %a724
-  store { ptr, i64, i64 } %t722, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  store { ptr, i64, i64 } %t726, ptr %a728
-  store { ptr, i64, i64 } { ptr @.str.2726, i64 2, i64 0 }, ptr %a729
-  call void @finch_str_concat(ptr %a727, ptr %a728, ptr %a729)
-  %t730 = load { ptr, i64, i64 }, ptr %a727
-  %t731 = load ptr, ptr %a1
-  %t732 = icmp eq ptr %t731, null
-  br i1 %t732, label %panic4331, label %ok4332
-panic4331:
-  call void @finch_panic(ptr @.str.2727, i64 1872, ptr @.str.2728)
+inrange4557:
+  %t735 = extractvalue { ptr, i64, i64 } %t732, 0
+  %t736 = getelementptr inbounds i64, ptr %t735, i64 %t731
+  %t737 = load i64, ptr %t736
+  %t738 = mul i64 %t737, 8
+  %t739 = call i64 @finch.gen.dbgMember(ptr %t707, { ptr, i64, i64 } %t715, i64 %t716, i64 %t717, i64 0, i64 %t727, i64 %t730, i64 %t738)
+  call void @finch_str_from_int(ptr %a740, i64 %t739)
+  %t741 = load { ptr, i64, i64 }, ptr %a740
+  store { ptr, i64, i64 } { ptr @.str.2808, i64 1, i64 0 }, ptr %a743
+  store { ptr, i64, i64 } %t741, ptr %a744
+  call void @finch_str_concat(ptr %a742, ptr %a743, ptr %a744)
+  store { ptr, i64, i64 } %t741, ptr %a745
+  call void @finch_str_drop(ptr %a745)
+  %t746 = load { ptr, i64, i64 }, ptr %a742
+  %t747 = load i64, ptr %t706
+  %t748 = add i64 %t747, 1
+  call void @finch_arr_reserve(ptr %a688, i64 %t748, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t749 = load ptr, ptr %a688
+  %t750 = getelementptr inbounds { ptr, i64, i64 }, ptr %t749, i64 %t747
+  store { ptr, i64, i64 } %t746, ptr %t750
+  store i64 %t748, ptr %t706
+  br label %for.step4548
+for.step4548:
+  %t751 = load i64, ptr %a692
+  %t752 = add i64 %t751, 1
+  store i64 %t752, ptr %a692
+  br label %for.cond4546
+for.end4549:
+  %t753 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 1
+  %t754 = load { ptr, i64, i64 }, ptr %t753
+  store { ptr, i64, i64 } { ptr @.str.2812, i64 52, i64 0 }, ptr %a756
+  store { ptr, i64, i64 } %t754, ptr %a757
+  call void @finch_str_concat(ptr %a755, ptr %a756, ptr %a757)
+  %t758 = load { ptr, i64, i64 }, ptr %a755
+  store { ptr, i64, i64 } %t758, ptr %a760
+  store { ptr, i64, i64 } { ptr @.str.2813, i64 10, i64 0 }, ptr %a761
+  call void @finch_str_concat(ptr %a759, ptr %a760, ptr %a761)
+  store { ptr, i64, i64 } %t758, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = load { ptr, i64, i64 }, ptr %a759
+  %t764 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a765, i64 %t764)
+  %t766 = load { ptr, i64, i64 }, ptr %a765
+  store { ptr, i64, i64 } %t763, ptr %a768
+  store { ptr, i64, i64 } %t766, ptr %a769
+  call void @finch_str_concat(ptr %a767, ptr %a768, ptr %a769)
+  store { ptr, i64, i64 } %t763, ptr %a770
+  call void @finch_str_drop(ptr %a770)
+  store { ptr, i64, i64 } %t766, ptr %a771
+  call void @finch_str_drop(ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a767
+  store { ptr, i64, i64 } %t772, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.2814, i64 8, i64 0 }, ptr %a775
+  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
+  store { ptr, i64, i64 } %t772, ptr %a776
+  call void @finch_str_drop(ptr %a776)
+  %t777 = load { ptr, i64, i64 }, ptr %a773
+  %t778 = getelementptr inbounds %S.gen.SizeAlign, ptr %a687, i32 0, i32 0
+  %t779 = load i64, ptr %t778
+  %t780 = mul i64 %t779, 8
+  call void @finch_str_from_int(ptr %a781, i64 %t780)
+  %t782 = load { ptr, i64, i64 }, ptr %a781
+  store { ptr, i64, i64 } %t777, ptr %a784
+  store { ptr, i64, i64 } %t782, ptr %a785
+  call void @finch_str_concat(ptr %a783, ptr %a784, ptr %a785)
+  store { ptr, i64, i64 } %t777, ptr %a786
+  call void @finch_str_drop(ptr %a786)
+  store { ptr, i64, i64 } %t782, ptr %a787
+  call void @finch_str_drop(ptr %a787)
+  %t788 = load { ptr, i64, i64 }, ptr %a783
+  store { ptr, i64, i64 } %t788, ptr %a790
+  store { ptr, i64, i64 } { ptr @.str.2815, i64 24, i64 0 }, ptr %a791
+  call void @finch_str_concat(ptr %a789, ptr %a790, ptr %a791)
+  store { ptr, i64, i64 } %t788, ptr %a792
+  call void @finch_str_drop(ptr %a792)
+  %t793 = load { ptr, i64, i64 }, ptr %a789
+  %t794 = getelementptr inbounds { ptr, i64, i64 }, ptr %a688, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2816, i64 2, i64 0 }, ptr %a795
+  call void @finch_str_join(ptr %a796, ptr %a688, ptr %a795)
+  %t797 = load { ptr, i64, i64 }, ptr %a796
+  store { ptr, i64, i64 } %t793, ptr %a799
+  store { ptr, i64, i64 } %t797, ptr %a800
+  call void @finch_str_concat(ptr %a798, ptr %a799, ptr %a800)
+  store { ptr, i64, i64 } %t793, ptr %a801
+  call void @finch_str_drop(ptr %a801)
+  store { ptr, i64, i64 } %t797, ptr %a802
+  call void @finch_str_drop(ptr %a802)
+  %t803 = load { ptr, i64, i64 }, ptr %a798
+  store { ptr, i64, i64 } %t803, ptr %a805
+  store { ptr, i64, i64 } { ptr @.str.2817, i64 2, i64 0 }, ptr %a806
+  call void @finch_str_concat(ptr %a804, ptr %a805, ptr %a806)
+  store { ptr, i64, i64 } %t803, ptr %a807
+  call void @finch_str_drop(ptr %a807)
+  %t808 = load { ptr, i64, i64 }, ptr %a804
+  %t809 = load ptr, ptr %a1
+  %t810 = icmp eq ptr %t809, null
+  br i1 %t810, label %panic4558, label %ok4559
+panic4558:
+  call void @finch_panic(ptr @.str.2818, i64 2027, ptr @.str.2819)
   unreachable
-ok4332:
-  %t733 = getelementptr inbounds %S.gen.Gen, ptr %t731, i32 0, i32 31
-  %t734 = load i64, ptr %a48
-  %t735 = load { ptr, i64, i64 }, ptr %t733
-  %t736 = extractvalue { ptr, i64, i64 } %t735, 1
-  %t737 = icmp uge i64 %t734, %t736
-  br i1 %t737, label %range4333, label %inrange4334
-range4333:
-  call void @finch_panic_index(ptr @.str.2729, i64 1872, i64 %t734, i64 %t736)
+ok4559:
+  %t811 = getelementptr inbounds %S.gen.Gen, ptr %t809, i32 0, i32 32
+  %t812 = load i64, ptr %a49
+  %t813 = load { ptr, i64, i64 }, ptr %t811
+  %t814 = extractvalue { ptr, i64, i64 } %t813, 1
+  %t815 = icmp uge i64 %t812, %t814
+  br i1 %t815, label %range4560, label %inrange4561
+range4560:
+  call void @finch_panic_index(ptr @.str.2820, i64 2027, i64 %t812, i64 %t814)
   unreachable
-inrange4334:
-  %t738 = extractvalue { ptr, i64, i64 } %t735, 0
-  %t739 = getelementptr inbounds { ptr, i64, i64 }, ptr %t738, i64 %t734
-  store { ptr, i64, i64 } %t730, ptr %t739
-  br label %endif4314
-else4313:
-  %t740 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.2730, i64 20, i64 0 }, ptr %a742
-  store { ptr, i64, i64 } %t740, ptr %a743
-  call void @finch_str_concat(ptr %a741, ptr %a742, ptr %a743)
-  %t744 = load { ptr, i64, i64 }, ptr %a741
-  store { ptr, i64, i64 } %t744, ptr %a746
-  store { ptr, i64, i64 } { ptr @.str.2731, i64 39, i64 0 }, ptr %a747
-  call void @finch_str_concat(ptr %a745, ptr %a746, ptr %a747)
-  %t748 = load { ptr, i64, i64 }, ptr %a745
-  %t749 = load ptr, ptr %a1
-  %t750 = icmp eq ptr %t749, null
-  br i1 %t750, label %panic4335, label %ok4336
-panic4335:
-  call void @finch_panic(ptr @.str.2732, i64 1874, ptr @.str.2733)
+inrange4561:
+  %t816 = extractvalue { ptr, i64, i64 } %t813, 0
+  %t817 = getelementptr inbounds { ptr, i64, i64 }, ptr %t816, i64 %t812
+  %t818 = load { ptr, i64, i64 }, ptr %t817
+  store { ptr, i64, i64 } %t808, ptr %t817
+  store { ptr, i64, i64 } %t818, ptr %a819
+  call void @finch_str_drop(ptr %a819)
+  call void @finch.drop.arr_str(ptr %a688)
+  call void @finch.drop.arr_int(ptr %a683)
+  call void @finch.drop.S_gen_StructDef(ptr %a679)
+  br label %endif4541
+else4540:
+  %t820 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.2821, i64 20, i64 0 }, ptr %a822
+  store { ptr, i64, i64 } %t820, ptr %a823
+  call void @finch_str_concat(ptr %a821, ptr %a822, ptr %a823)
+  %t824 = load { ptr, i64, i64 }, ptr %a821
+  store { ptr, i64, i64 } %t824, ptr %a826
+  store { ptr, i64, i64 } { ptr @.str.2822, i64 39, i64 0 }, ptr %a827
+  call void @finch_str_concat(ptr %a825, ptr %a826, ptr %a827)
+  store { ptr, i64, i64 } %t824, ptr %a828
+  call void @finch_str_drop(ptr %a828)
+  %t829 = load { ptr, i64, i64 }, ptr %a825
+  %t830 = load ptr, ptr %a1
+  %t831 = icmp eq ptr %t830, null
+  br i1 %t831, label %panic4562, label %ok4563
+panic4562:
+  call void @finch_panic(ptr @.str.2823, i64 2029, ptr @.str.2824)
   unreachable
-ok4336:
-  %t751 = getelementptr inbounds %S.gen.Gen, ptr %t749, i32 0, i32 31
-  %t752 = load i64, ptr %a48
-  %t753 = load { ptr, i64, i64 }, ptr %t751
-  %t754 = extractvalue { ptr, i64, i64 } %t753, 1
-  %t755 = icmp uge i64 %t752, %t754
-  br i1 %t755, label %range4337, label %inrange4338
-range4337:
-  call void @finch_panic_index(ptr @.str.2734, i64 1874, i64 %t752, i64 %t754)
+ok4563:
+  %t832 = getelementptr inbounds %S.gen.Gen, ptr %t830, i32 0, i32 32
+  %t833 = load i64, ptr %a49
+  %t834 = load { ptr, i64, i64 }, ptr %t832
+  %t835 = extractvalue { ptr, i64, i64 } %t834, 1
+  %t836 = icmp uge i64 %t833, %t835
+  br i1 %t836, label %range4564, label %inrange4565
+range4564:
+  call void @finch_panic_index(ptr @.str.2825, i64 2029, i64 %t833, i64 %t835)
   unreachable
-inrange4338:
-  %t756 = extractvalue { ptr, i64, i64 } %t753, 0
-  %t757 = getelementptr inbounds { ptr, i64, i64 }, ptr %t756, i64 %t752
-  store { ptr, i64, i64 } %t748, ptr %t757
-  br label %endif4314
-endif4314:
-  br label %endif4294
-endif4294:
-  br label %endif4282
-endif4282:
-  br label %endif4267
-endif4267:
-  br label %endif4255
-endif4255:
-  %t758 = load i64, ptr %a48
-  ret i64 %t758
-endif4236:
-  br label %endif4230
-endif4230:
-  br label %endif4227
-endif4227:
-  br label %endif4224
-endif4224:
-  br label %endif4221
-endif4221:
-  br label %endif4218
-endif4218:
-  br label %endif4215
-endif4215:
-  %t759 = load i64, ptr %a48
-  %t760 = load ptr, ptr %a1
-  %t761 = icmp eq ptr %t760, null
-  br i1 %t761, label %panic4339, label %ok4340
-panic4339:
-  call void @finch_panic(ptr @.str.2735, i64 1878, ptr @.str.2736)
+inrange4565:
+  %t837 = extractvalue { ptr, i64, i64 } %t834, 0
+  %t838 = getelementptr inbounds { ptr, i64, i64 }, ptr %t837, i64 %t833
+  %t839 = load { ptr, i64, i64 }, ptr %t838
+  store { ptr, i64, i64 } %t829, ptr %t838
+  store { ptr, i64, i64 } %t839, ptr %a840
+  call void @finch_str_drop(ptr %a840)
+  br label %endif4541
+endif4541:
+  br label %endif4521
+endif4521:
+  br label %endif4509
+endif4509:
+  br label %endif4494
+endif4494:
+  br label %endif4482
+endif4482:
+  %t841 = load i64, ptr %a49
+  call void @finch_str_drop(ptr %a27)
+  call void @finch_str_drop(ptr %a8)
+  ret i64 %t841
+endif4463:
+  br label %endif4457
+endif4457:
+  br label %endif4454
+endif4454:
+  br label %endif4451
+endif4451:
+  br label %endif4448
+endif4448:
+  br label %endif4445
+endif4445:
+  br label %endif4442
+endif4442:
+  %t842 = load i64, ptr %a49
+  %t843 = load ptr, ptr %a1
+  %t844 = icmp eq ptr %t843, null
+  br i1 %t844, label %panic4566, label %ok4567
+panic4566:
+  call void @finch_panic(ptr @.str.2826, i64 2033, ptr @.str.2827)
   unreachable
-ok4340:
-  %t762 = getelementptr inbounds %S.gen.Gen, ptr %t760, i32 0, i32 32
-  %t763 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t763, ptr %a764
-  store i32 0, ptr %a765
-  %t766 = call i64 @finch_map_slot(ptr %t762, ptr %a764, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a765)
-  %t767 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t762, i32 0, i32 0
-  %t768 = load ptr, ptr %t767
-  %t769 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t768, i64 %t766
-  %t770 = load i32, ptr %a765
-  %t771 = icmp ne i32 %t770, 0
-  br i1 %t771, label %map.new4341, label %map.have4342
-map.new4341:
-  %t772 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t769, i32 0, i32 1
-  call void @finch_str_copy(ptr %t772, ptr %a764)
-  %t773 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t769, i32 0, i32 2
-  store i64 0, ptr %t773
-  br label %map.have4342
-map.have4342:
-  %t774 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t769, i32 0, i32 2
-  store i64 %t759, ptr %t774
-  %t775 = load i64, ptr %a48
-  ret i64 %t775
+ok4567:
+  %t845 = getelementptr inbounds %S.gen.Gen, ptr %t843, i32 0, i32 33
+  %t846 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t846, ptr %a847
+  store i32 0, ptr %a848
+  %t849 = call i64 @finch_map_slot(ptr %t845, ptr %a847, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a848)
+  %t850 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t845, i32 0, i32 0
+  %t851 = load ptr, ptr %t850
+  %t852 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t851, i64 %t849
+  %t853 = load i32, ptr %a848
+  %t854 = icmp ne i32 %t853, 0
+  br i1 %t854, label %map.new4568, label %map.have4569
+map.new4568:
+  %t855 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t852, i32 0, i32 1
+  call void @finch_str_copy(ptr %t855, ptr %a847)
+  %t856 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t852, i32 0, i32 2
+  store i64 0, ptr %t856
+  br label %map.have4569
+map.have4569:
+  %t857 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t852, i32 0, i32 2
+  store i64 %t842, ptr %t857
+  %t858 = load i64, ptr %a49
+  call void @finch_str_drop(ptr %a27)
+  call void @finch_str_drop(ptr %a8)
+  ret i64 %t858
 }
 
 define internal i64 @finch.gen.dbgLocation(ptr %p0) {
@@ -40175,235 +46691,285 @@ entry:
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca i64, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca i32, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca i64, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca i32, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic4343, label %ok4344
-panic4343:
-  call void @finch_panic(ptr @.str.2738, i64 1883, ptr @.str.2739)
+  br i1 %t3, label %panic4570, label %ok4571
+panic4570:
+  call void @finch_panic(ptr @.str.2829, i64 2038, ptr @.str.2830)
   unreachable
-ok4344:
-  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 35
+ok4571:
+  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 36
   %t5 = load i64, ptr %t4
   call void @finch_str_from_int(ptr %a6, i64 %t5)
   %t7 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.2737, i64 2, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.2828, i64 2, i64 0 }, ptr %a9
   store { ptr, i64, i64 } %t7, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t11, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.2740, i64 1, i64 0 }, ptr %a14
-  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  %t16 = load ptr, ptr %a1
-  %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic4345, label %ok4346
-panic4345:
-  call void @finch_panic(ptr @.str.2741, i64 1883, ptr @.str.2742)
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.2831, i64 1, i64 0 }, ptr %a15
+  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic4572, label %ok4573
+panic4572:
+  call void @finch_panic(ptr @.str.2832, i64 2038, ptr @.str.2833)
   unreachable
-ok4346:
-  %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 36
-  %t19 = load i64, ptr %t18
-  call void @finch_str_from_int(ptr %a20, i64 %t19)
-  %t21 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t15, ptr %a23
-  store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2743, i64 1, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic4347, label %ok4348
-panic4347:
-  call void @finch_panic(ptr @.str.2744, i64 1883, ptr @.str.2745)
+ok4573:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 37
+  %t21 = load i64, ptr %t20
+  call void @finch_str_from_int(ptr %a22, i64 %t21)
+  %t23 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t17, ptr %a25
+  store { ptr, i64, i64 } %t23, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t17, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  store { ptr, i64, i64 } %t23, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t29, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.2834, i64 1, i64 0 }, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic4574, label %ok4575
+panic4574:
+  call void @finch_panic(ptr @.str.2835, i64 2038, ptr @.str.2836)
   unreachable
-ok4348:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 34
-  %t33 = load i64, ptr %t32
-  call void @finch_str_from_int(ptr %a34, i64 %t33)
-  %t35 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t29, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t39, ptr %a40
-  %t41 = load ptr, ptr %a1
-  %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic4349, label %ok4350
-panic4349:
-  call void @finch_panic(ptr @.str.2746, i64 1884, ptr @.str.2747)
-  unreachable
-ok4350:
-  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 32
-  %t44 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t44, ptr %a45
-  %t46 = call i64 @finch_map_find(ptr %t43, ptr %a45, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t47 = icmp sge i64 %t46, 0
-  br i1 %t47, label %then4351, label %endif4353
-then4351:
+ok4575:
+  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 35
+  %t38 = load i64, ptr %t37
+  call void @finch_str_from_int(ptr %a39, i64 %t38)
+  %t40 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t34, ptr %a42
+  store { ptr, i64, i64 } %t40, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t34, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  store { ptr, i64, i64 } %t40, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t46, ptr %a47
   %t48 = load ptr, ptr %a1
   %t49 = icmp eq ptr %t48, null
-  br i1 %t49, label %panic4354, label %ok4355
-panic4354:
-  call void @finch_panic(ptr @.str.2748, i64 1885, ptr @.str.2749)
+  br i1 %t49, label %panic4576, label %ok4577
+panic4576:
+  call void @finch_panic(ptr @.str.2837, i64 2039, ptr @.str.2838)
   unreachable
-ok4355:
-  %t50 = getelementptr inbounds %S.gen.Gen, ptr %t48, i32 0, i32 32
-  %t51 = load { ptr, i64, i64 }, ptr %a40
+ok4577:
+  %t50 = getelementptr inbounds %S.gen.Gen, ptr %t48, i32 0, i32 33
+  %t51 = load { ptr, i64, i64 }, ptr %a47
   store { ptr, i64, i64 } %t51, ptr %a52
   %t53 = call i64 @finch_map_find(ptr %t50, ptr %a52, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t54 = icmp slt i64 %t53, 0
-  br i1 %t54, label %map.missing4356, label %map.found4357
-map.missing4356:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a55
-  store { ptr, i64, i64 } %t51, ptr %a56
-  call void @finch_buf_str(ptr %a55, ptr %a56, i32 1)
-  call void @finch_map_missing(ptr @.str.2750, i64 1885, ptr %a55)
+  %t54 = icmp sge i64 %t53, 0
+  br i1 %t54, label %then4578, label %endif4580
+then4578:
+  %t55 = load ptr, ptr %a1
+  %t56 = icmp eq ptr %t55, null
+  br i1 %t56, label %panic4581, label %ok4582
+panic4581:
+  call void @finch_panic(ptr @.str.2839, i64 2040, ptr @.str.2840)
   unreachable
-map.found4357:
-  %t57 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t50, i32 0, i32 0
-  %t58 = load ptr, ptr %t57
-  %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t58, i64 %t53
-  %t60 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t59, i32 0, i32 2
-  %t61 = load i64, ptr %t60
-  ret i64 %t61
-endif4353:
-  %t62 = load ptr, ptr %a1
-  %t63 = load ptr, ptr %a1
-  %t64 = icmp eq ptr %t63, null
-  br i1 %t64, label %panic4358, label %ok4359
-panic4358:
-  call void @finch_panic(ptr @.str.2752, i64 1887, ptr @.str.2753)
+ok4582:
+  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 33
+  %t58 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t58, ptr %a59
+  %t60 = call i64 @finch_map_find(ptr %t57, ptr %a59, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t61 = icmp slt i64 %t60, 0
+  br i1 %t61, label %map.missing4583, label %map.found4584
+map.missing4583:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a62
+  store { ptr, i64, i64 } %t58, ptr %a63
+  call void @finch_buf_str(ptr %a62, ptr %a63, i32 1)
+  call void @finch_map_missing(ptr @.str.2841, i64 2040, ptr %a62)
   unreachable
-ok4359:
-  %t65 = getelementptr inbounds %S.gen.Gen, ptr %t63, i32 0, i32 35
-  %t66 = load i64, ptr %t65
-  call void @finch_str_from_int(ptr %a67, i64 %t66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.2751, i64 18, i64 0 }, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.2754, i64 10, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = load ptr, ptr %a1
-  %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic4360, label %ok4361
-panic4360:
-  call void @finch_panic(ptr @.str.2755, i64 1887, ptr @.str.2756)
+map.found4584:
+  %t64 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t57, i32 0, i32 0
+  %t65 = load ptr, ptr %t64
+  %t66 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t65, i64 %t60
+  %t67 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t66, i32 0, i32 2
+  %t68 = load i64, ptr %t67
+  call void @finch_str_drop(ptr %a47)
+  ret i64 %t68
+endif4580:
+  %t69 = load ptr, ptr %a1
+  %t70 = load ptr, ptr %a1
+  %t71 = icmp eq ptr %t70, null
+  br i1 %t71, label %panic4585, label %ok4586
+panic4585:
+  call void @finch_panic(ptr @.str.2843, i64 2042, ptr @.str.2844)
   unreachable
-ok4361:
-  %t79 = getelementptr inbounds %S.gen.Gen, ptr %t77, i32 0, i32 36
-  %t80 = load i64, ptr %t79
-  call void @finch_str_from_int(ptr %a81, i64 %t80)
-  %t82 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t76, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.2757, i64 10, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load ptr, ptr %a1
-  %t92 = icmp eq ptr %t91, null
-  br i1 %t92, label %panic4362, label %ok4363
-panic4362:
-  call void @finch_panic(ptr @.str.2758, i64 1887, ptr @.str.2759)
+ok4586:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 36
+  %t73 = load i64, ptr %t72
+  call void @finch_str_from_int(ptr %a74, i64 %t73)
+  %t75 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.2842, i64 18, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.2845, i64 10, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic4587, label %ok4588
+panic4587:
+  call void @finch_panic(ptr @.str.2846, i64 2042, ptr @.str.2847)
   unreachable
-ok4363:
-  %t93 = getelementptr inbounds %S.gen.Gen, ptr %t91, i32 0, i32 34
-  %t94 = load i64, ptr %t93
-  call void @finch_str_from_int(ptr %a95, i64 %t94)
-  %t96 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t90, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.2760, i64 1, i64 0 }, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  %t105 = call i64 @finch.gen.md(ptr %t62, { ptr, i64, i64 } %t104)
-  store i64 %t105, ptr %a106
-  %t107 = load i64, ptr %a106
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic4364, label %ok4365
-panic4364:
-  call void @finch_panic(ptr @.str.2761, i64 1888, ptr @.str.2762)
+ok4588:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 37
+  %t89 = load i64, ptr %t88
+  call void @finch_str_from_int(ptr %a90, i64 %t89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t85, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t85, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t97, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.2848, i64 10, i64 0 }, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t97, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
+  %t103 = load ptr, ptr %a1
+  %t104 = icmp eq ptr %t103, null
+  br i1 %t104, label %panic4589, label %ok4590
+panic4589:
+  call void @finch_panic(ptr @.str.2849, i64 2042, ptr @.str.2850)
   unreachable
-ok4365:
-  %t110 = getelementptr inbounds %S.gen.Gen, ptr %t108, i32 0, i32 32
-  %t111 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store i32 0, ptr %a113
-  %t114 = call i64 @finch_map_slot(ptr %t110, ptr %a112, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a113)
-  %t115 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t110, i32 0, i32 0
-  %t116 = load ptr, ptr %t115
-  %t117 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t116, i64 %t114
-  %t118 = load i32, ptr %a113
-  %t119 = icmp ne i32 %t118, 0
-  br i1 %t119, label %map.new4366, label %map.have4367
-map.new4366:
-  %t120 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t117, i32 0, i32 1
-  call void @finch_str_copy(ptr %t120, ptr %a112)
-  %t121 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t117, i32 0, i32 2
-  store i64 0, ptr %t121
-  br label %map.have4367
-map.have4367:
-  %t122 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t117, i32 0, i32 2
-  store i64 %t107, ptr %t122
-  %t123 = load i64, ptr %a106
-  ret i64 %t123
+ok4590:
+  %t105 = getelementptr inbounds %S.gen.Gen, ptr %t103, i32 0, i32 35
+  %t106 = load i64, ptr %t105
+  call void @finch_str_from_int(ptr %a107, i64 %t106)
+  %t108 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t102, ptr %a110
+  store { ptr, i64, i64 } %t108, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t102, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.2851, i64 1, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = call i64 @finch.gen.md(ptr %t69, { ptr, i64, i64 } %t119)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store i64 %t120, ptr %a122
+  %t123 = load i64, ptr %a122
+  %t124 = load ptr, ptr %a1
+  %t125 = icmp eq ptr %t124, null
+  br i1 %t125, label %panic4591, label %ok4592
+panic4591:
+  call void @finch_panic(ptr @.str.2852, i64 2043, ptr @.str.2853)
+  unreachable
+ok4592:
+  %t126 = getelementptr inbounds %S.gen.Gen, ptr %t124, i32 0, i32 33
+  %t127 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t127, ptr %a128
+  store i32 0, ptr %a129
+  %t130 = call i64 @finch_map_slot(ptr %t126, ptr %a128, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a129)
+  %t131 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t126, i32 0, i32 0
+  %t132 = load ptr, ptr %t131
+  %t133 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t132, i64 %t130
+  %t134 = load i32, ptr %a129
+  %t135 = icmp ne i32 %t134, 0
+  br i1 %t135, label %map.new4593, label %map.have4594
+map.new4593:
+  %t136 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t133, i32 0, i32 1
+  call void @finch_str_copy(ptr %t136, ptr %a128)
+  %t137 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t133, i32 0, i32 2
+  store i64 0, ptr %t137
+  br label %map.have4594
+map.have4594:
+  %t138 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t133, i32 0, i32 2
+  store i64 %t123, ptr %t138
+  %t139 = load i64, ptr %a122
+  call void @finch_str_drop(ptr %a47)
+  ret i64 %t139
 }
 
 define internal i64 @finch.gen.dbgSubprogram(ptr %p0, %S.ast.Node %p1) {
@@ -40422,69 +46988,92 @@ entry:
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca i64, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca i64, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4368, label %ok4369
-panic4368:
-  call void @finch_panic(ptr @.str.2763, i64 1893, ptr @.str.2764)
+  br i1 %t4, label %panic4595, label %ok4596
+panic4595:
+  call void @finch_panic(ptr @.str.2854, i64 2048, ptr @.str.2855)
   unreachable
-ok4369:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 12
+ok4596:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 13
   %t6 = load %S.gen.FnSig, ptr %t5
   store %S.gen.FnSig %t6, ptr %a7
   call void @finch.copy.S_gen_FnSig(ptr %a8, ptr %a7)
@@ -40508,28 +47097,28 @@ ok4369:
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = icmp sgt i64 %t24, 0
-  br i1 %t25, label %then4370, label %endif4372
-then4370:
+  br i1 %t25, label %then4597, label %endif4599
+then4597:
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
   %t27 = load i64, ptr %t26
   %t28 = add i64 %t27, 1
   call void @finch_arr_reserve(ptr %a11, i64 %t28, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t29 = load ptr, ptr %a11
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 %t27
-  store { ptr, i64, i64 } { ptr @.str.2765, i64 4, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.2856, i64 4, i64 0 }, ptr %t30
   store i64 %t28, ptr %t26
-  br label %endif4372
-endif4372:
+  br label %endif4599
+endif4599:
   %t31 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 13
   store i64 0, ptr %a32
-  br label %each.cond4373
-each.cond4373:
+  br label %each.cond4600
+each.cond4600:
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
   %t34 = load i64, ptr %t33
   %t35 = load i64, ptr %a32
   %t36 = icmp slt i64 %t35, %t34
-  br i1 %t36, label %each.body4374, label %each.end4376
-each.body4374:
+  br i1 %t36, label %each.body4601, label %each.end4603
+each.body4601:
   %t37 = load ptr, ptr %t31
   %t38 = getelementptr inbounds %S.ast.Type, ptr %t37, i64 %t35
   %t39 = load %S.ast.Type, ptr %t38
@@ -40546,136 +47135,184 @@ each.body4374:
   %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i64 %t46
   store { ptr, i64, i64 } %t45, ptr %t49
   store i64 %t47, ptr %t41
-  br label %each.step4375
-each.step4375:
+  br label %each.step4602
+each.step4602:
   %t50 = load i64, ptr %a32
   %t51 = add i64 %t50, 1
   store i64 %t51, ptr %a32
-  br label %each.cond4373
-each.end4376:
+  br label %each.cond4600
+each.end4603:
   %t52 = load ptr, ptr %a1
   %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic4377, label %ok4378
-panic4377:
-  call void @finch_panic(ptr @.str.2766, i64 1902, ptr @.str.2767)
+  br i1 %t53, label %panic4604, label %ok4605
+panic4604:
+  call void @finch_panic(ptr @.str.2857, i64 2057, ptr @.str.2858)
   unreachable
-ok4378:
-  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 33
+ok4605:
+  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 34
   %t55 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
   %t56 = load i64, ptr %t55
   %t57 = load { ptr, i64, i64 }, ptr %t54
   %t58 = extractvalue { ptr, i64, i64 } %t57, 1
   %t59 = icmp uge i64 %t56, %t58
-  br i1 %t59, label %range4379, label %inrange4380
-range4379:
-  call void @finch_panic_index(ptr @.str.2768, i64 1902, i64 %t56, i64 %t58)
+  br i1 %t59, label %range4606, label %inrange4607
+range4606:
+  call void @finch_panic_index(ptr @.str.2859, i64 2057, i64 %t56, i64 %t58)
   unreachable
-inrange4380:
+inrange4607:
   %t60 = extractvalue { ptr, i64, i64 } %t57, 0
   %t61 = getelementptr inbounds i64, ptr %t60, i64 %t56
   %t62 = load i64, ptr %t61
   store i64 %t62, ptr %a63
   %t64 = load ptr, ptr %a1
   %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2770, i64 2, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2861, i64 2, i64 0 }, ptr %a66
   call void @finch_str_join(ptr %a67, ptr %a11, ptr %a66)
   %t68 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.2769, i64 27, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.2860, i64 27, i64 0 }, ptr %a70
   store { ptr, i64, i64 } %t68, ptr %a71
   call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.2771, i64 2, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = call i64 @finch.gen.md(ptr %t64, { ptr, i64, i64 } %t76)
-  store i64 %t77, ptr %a78
-  %t79 = load ptr, ptr %a1
-  %t80 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 1
-  %t81 = load { ptr, i64, i64 }, ptr %t80
-  store { ptr, i64, i64 } { ptr @.str.2772, i64 30, i64 0 }, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.2773, i64 17, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 11
-  %t91 = load { ptr, i64, i64 }, ptr %t90
-  store { ptr, i64, i64 } %t91, ptr %a92
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t73, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.2862, i64 2, i64 0 }, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = call i64 @finch.gen.md(ptr %t64, { ptr, i64, i64 } %t78)
+  store { ptr, i64, i64 } %t78, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  store i64 %t79, ptr %a81
+  %t82 = load ptr, ptr %a1
+  %t83 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 1
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } { ptr @.str.2863, i64 30, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.2864, i64 17, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
   %t94 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 11
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  call void @finch_str_sub(ptr %a93, ptr %a92, i64 1, i64 %t96, ptr @.str.2774, i64 1904)
-  %t97 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t89, ptr %a99
-  store { ptr, i64, i64 } %t97, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  store { ptr, i64, i64 } %t101, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.2775, i64 11, i64 0 }, ptr %a104
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  store { ptr, i64, i64 } %t95, ptr %a96
+  %t98 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 11
+  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
+  %t100 = load i64, ptr %t99
+  call void @finch_str_sub(ptr %a97, ptr %a96, i64 1, i64 %t100, ptr @.str.2865, i64 2059)
+  %t101 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t93, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
   call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  %t106 = load i64, ptr %a63
-  call void @finch_str_from_int(ptr %a107, i64 %t106)
-  %t108 = load { ptr, i64, i64 }, ptr %a107
-  store { ptr, i64, i64 } %t105, ptr %a110
-  store { ptr, i64, i64 } %t108, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t112, ptr %a114
-  store { ptr, i64, i64 } { ptr @.str.2776, i64 9, i64 0 }, ptr %a115
-  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
-  %t116 = load { ptr, i64, i64 }, ptr %a113
-  %t117 = load i64, ptr %a63
-  call void @finch_str_from_int(ptr %a118, i64 %t117)
-  %t119 = load { ptr, i64, i64 }, ptr %a118
-  store { ptr, i64, i64 } %t116, ptr %a121
-  store { ptr, i64, i64 } %t119, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.2777, i64 8, i64 0 }, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t129 = load i64, ptr %t128
-  call void @finch_str_from_int(ptr %a130, i64 %t129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t127, ptr %a133
-  store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t93, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  store { ptr, i64, i64 } %t101, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t107, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2866, i64 11, i64 0 }, ptr %a110
+  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a108
+  %t113 = load i64, ptr %a63
+  call void @finch_str_from_int(ptr %a114, i64 %t113)
+  %t115 = load { ptr, i64, i64 }, ptr %a114
+  store { ptr, i64, i64 } %t112, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t112, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  store { ptr, i64, i64 } %t115, ptr %a120
+  call void @finch_str_drop(ptr %a120)
+  %t121 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t121, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.2867, i64 9, i64 0 }, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  %t127 = load i64, ptr %a63
+  call void @finch_str_from_int(ptr %a128, i64 %t127)
+  %t129 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t126, ptr %a131
+  store { ptr, i64, i64 } %t129, ptr %a132
+  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
+  store { ptr, i64, i64 } %t126, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  store { ptr, i64, i64 } %t129, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a130
   store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.2778, i64 9, i64 0 }, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.2868, i64 8, i64 0 }, ptr %a138
   call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = load i64, ptr %a78
-  call void @finch_str_from_int(ptr %a141, i64 %t140)
-  %t142 = load { ptr, i64, i64 }, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a144
-  store { ptr, i64, i64 } %t142, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  store { ptr, i64, i64 } %t146, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.2779, i64 13, i64 0 }, ptr %a149
-  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
-  %t150 = load { ptr, i64, i64 }, ptr %a147
-  %t151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t152 = load i64, ptr %t151
-  call void @finch_str_from_int(ptr %a153, i64 %t152)
-  %t154 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t150, ptr %a156
-  store { ptr, i64, i64 } %t154, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t158, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.2780, i64 87, i64 0 }, ptr %a161
+  store { ptr, i64, i64 } %t135, ptr %a139
+  call void @finch_str_drop(ptr %a139)
+  %t140 = load { ptr, i64, i64 }, ptr %a136
+  %t141 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t142 = load i64, ptr %t141
+  call void @finch_str_from_int(ptr %a143, i64 %t142)
+  %t144 = load { ptr, i64, i64 }, ptr %a143
+  store { ptr, i64, i64 } %t140, ptr %a146
+  store { ptr, i64, i64 } %t144, ptr %a147
+  call void @finch_str_concat(ptr %a145, ptr %a146, ptr %a147)
+  store { ptr, i64, i64 } %t140, ptr %a148
+  call void @finch_str_drop(ptr %a148)
+  store { ptr, i64, i64 } %t144, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t150, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.2869, i64 9, i64 0 }, ptr %a153
+  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  %t156 = load i64, ptr %a81
+  call void @finch_str_from_int(ptr %a157, i64 %t156)
+  %t158 = load { ptr, i64, i64 }, ptr %a157
+  store { ptr, i64, i64 } %t155, ptr %a160
+  store { ptr, i64, i64 } %t158, ptr %a161
   call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  %t163 = call i64 @finch.gen.md(ptr %t79, { ptr, i64, i64 } %t162)
-  ret i64 %t163
+  store { ptr, i64, i64 } %t155, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  store { ptr, i64, i64 } %t158, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a159
+  store { ptr, i64, i64 } %t164, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.2870, i64 13, i64 0 }, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  store { ptr, i64, i64 } %t164, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a165
+  %t170 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t171 = load i64, ptr %t170
+  call void @finch_str_from_int(ptr %a172, i64 %t171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  store { ptr, i64, i64 } %t169, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t169, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  store { ptr, i64, i64 } %t173, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.2871, i64 87, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  store { ptr, i64, i64 } %t179, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a180
+  %t185 = call i64 @finch.gen.md(ptr %t82, { ptr, i64, i64 } %t184)
+  store { ptr, i64, i64 } %t184, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  call void @finch.drop.arr_str(ptr %a11)
+  call void @finch.drop.S_gen_FnSig(ptr %a10)
+  ret i64 %t185
 }
 
 define internal void @finch.gen.dbgVariable(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4) {
@@ -40691,57 +47328,79 @@ entry:
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca i64, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca i64, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -40749,212 +47408,258 @@ entry:
   store { ptr, i64, i64 } %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic4381, label %ok4382
-panic4381:
-  call void @finch_panic(ptr @.str.2781, i64 1908, ptr @.str.2782)
+  br i1 %t7, label %panic4608, label %ok4609
+panic4608:
+  call void @finch_panic(ptr @.str.2872, i64 2063, ptr @.str.2873)
   unreachable
-ok4382:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 28
+ok4609:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 29
   %t9 = load i1, ptr %t8
   %t10 = xor i1 %t9, true
-  br label %logic.from4383
-logic.from4383:
-  br i1 %t10, label %logic.end4385, label %logic.rhs4384
-logic.rhs4384:
+  br label %logic.from4610
+logic.from4610:
+  br i1 %t10, label %logic.end4612, label %logic.rhs4611
+logic.rhs4611:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic4386, label %ok4387
-panic4386:
-  call void @finch_panic(ptr @.str.2783, i64 1908, ptr @.str.2784)
+  br i1 %t12, label %panic4613, label %ok4614
+panic4613:
+  call void @finch_panic(ptr @.str.2874, i64 2063, ptr @.str.2875)
   unreachable
-ok4387:
-  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 34
+ok4614:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 35
   %t14 = load i64, ptr %t13
   %t15 = icmp slt i64 %t14, 0
-  br label %logic.rend4388
-logic.rend4388:
-  br label %logic.end4385
-logic.end4385:
-  %t16 = phi i1 [ true, %logic.from4383 ], [ %t15, %logic.rend4388 ]
-  br i1 %t16, label %then4389, label %endif4391
-then4389:
+  br label %logic.rend4615
+logic.rend4615:
+  br label %logic.end4612
+logic.end4612:
+  %t16 = phi i1 [ true, %logic.from4610 ], [ %t15, %logic.rend4615 ]
+  br i1 %t16, label %then4616, label %endif4618
+then4616:
   ret void
-endif4391:
+endif4618:
   %t17 = load ptr, ptr %a1
   %t18 = load %S.ast.Type, ptr %a4
   %t19 = call i64 @finch.gen.diType(ptr %t17, %S.ast.Type %t18)
   store i64 %t19, ptr %a20
   %t21 = load i64, ptr %a20
   %t22 = icmp slt i64 %t21, 0
-  br i1 %t22, label %then4392, label %endif4394
-then4392:
+  br i1 %t22, label %then4619, label %endif4621
+then4619:
   ret void
-endif4394:
-  store { ptr, i64, i64 } { ptr @.str.2785, i64 0, i64 0 }, ptr %a23
+endif4621:
+  store { ptr, i64, i64 } { ptr @.str.2876, i64 0, i64 0 }, ptr %a23
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic4395, label %ok4396
-panic4395:
-  call void @finch_panic(ptr @.str.2786, i64 1916, ptr @.str.2787)
+  br i1 %t25, label %panic4622, label %ok4623
+panic4622:
+  call void @finch_panic(ptr @.str.2877, i64 2071, ptr @.str.2878)
   unreachable
-ok4396:
-  %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 37
+ok4623:
+  %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 38
   %t27 = load i64, ptr %t26
   %t28 = icmp sgt i64 %t27, 0
-  br i1 %t28, label %then4397, label %endif4399
-then4397:
+  br i1 %t28, label %then4624, label %endif4626
+then4624:
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic4400, label %ok4401
-panic4400:
-  call void @finch_panic(ptr @.str.2789, i64 1917, ptr @.str.2790)
+  br i1 %t30, label %panic4627, label %ok4628
+panic4627:
+  call void @finch_panic(ptr @.str.2880, i64 2072, ptr @.str.2881)
   unreachable
-ok4401:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 37
+ok4628:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 38
   %t32 = load i64, ptr %t31
   call void @finch_str_from_int(ptr %a33, i64 %t32)
   %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.2788, i64 7, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.2879, i64 7, i64 0 }, ptr %a36
   store { ptr, i64, i64 } %t34, ptr %a37
   call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a23
-  br label %endif4399
-endif4399:
-  %t39 = load ptr, ptr %a1
-  %t40 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.2791, i64 24, i64 0 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.2792, i64 11, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic4402, label %ok4403
-panic4402:
-  call void @finch_panic(ptr @.str.2793, i64 1919, ptr @.str.2794)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  %t40 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t39, ptr %a23
+  store { ptr, i64, i64 } %t40, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  br label %endif4626
+endif4626:
+  %t42 = load ptr, ptr %a1
+  %t43 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2882, i64 24, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t47, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.2883, i64 11, i64 0 }, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = load ptr, ptr %a1
+  %t54 = icmp eq ptr %t53, null
+  br i1 %t54, label %panic4629, label %ok4630
+panic4629:
+  call void @finch_panic(ptr @.str.2884, i64 2074, ptr @.str.2885)
   unreachable
-ok4403:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 34
-  %t52 = load i64, ptr %t51
-  call void @finch_str_from_int(ptr %a53, i64 %t52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t48, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.2795, i64 9, i64 0 }, ptr %a61
+ok4630:
+  %t55 = getelementptr inbounds %S.gen.Gen, ptr %t53, i32 0, i32 35
+  %t56 = load i64, ptr %t55
+  call void @finch_str_from_int(ptr %a57, i64 %t56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t52, ptr %a60
+  store { ptr, i64, i64 } %t58, ptr %a61
   call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = load ptr, ptr %a1
-  %t64 = icmp eq ptr %t63, null
-  br i1 %t64, label %panic4404, label %ok4405
-panic4404:
-  call void @finch_panic(ptr @.str.2796, i64 1919, ptr @.str.2797)
+  store { ptr, i64, i64 } %t52, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  store { ptr, i64, i64 } %t58, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a59
+  store { ptr, i64, i64 } %t64, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2886, i64 9, i64 0 }, ptr %a67
+  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a65
+  %t70 = load ptr, ptr %a1
+  %t71 = icmp eq ptr %t70, null
+  br i1 %t71, label %panic4631, label %ok4632
+panic4631:
+  call void @finch_panic(ptr @.str.2887, i64 2074, ptr @.str.2888)
   unreachable
-ok4405:
-  %t65 = getelementptr inbounds %S.gen.Gen, ptr %t63, i32 0, i32 33
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t67 = load i64, ptr %t66
-  %t68 = load { ptr, i64, i64 }, ptr %t65
-  %t69 = extractvalue { ptr, i64, i64 } %t68, 1
-  %t70 = icmp uge i64 %t67, %t69
-  br i1 %t70, label %range4406, label %inrange4407
-range4406:
-  call void @finch_panic_index(ptr @.str.2798, i64 1919, i64 %t67, i64 %t69)
+ok4632:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 34
+  %t73 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t74 = load i64, ptr %t73
+  %t75 = load { ptr, i64, i64 }, ptr %t72
+  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
+  %t77 = icmp uge i64 %t74, %t76
+  br i1 %t77, label %range4633, label %inrange4634
+range4633:
+  call void @finch_panic_index(ptr @.str.2889, i64 2074, i64 %t74, i64 %t76)
   unreachable
-inrange4407:
-  %t71 = extractvalue { ptr, i64, i64 } %t68, 0
-  %t72 = getelementptr inbounds i64, ptr %t71, i64 %t67
-  %t73 = load i64, ptr %t72
-  call void @finch_str_from_int(ptr %a74, i64 %t73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t62, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.2799, i64 8, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  %t84 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t85 = load i64, ptr %t84
-  call void @finch_str_from_int(ptr %a86, i64 %t85)
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t83, ptr %a89
-  store { ptr, i64, i64 } %t87, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t91, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.2800, i64 9, i64 0 }, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  %t96 = load i64, ptr %a20
-  call void @finch_str_from_int(ptr %a97, i64 %t96)
-  %t98 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t95, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  %t103 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t102, ptr %a105
-  store { ptr, i64, i64 } %t103, ptr %a106
+inrange4634:
+  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
+  %t79 = getelementptr inbounds i64, ptr %t78, i64 %t74
+  %t80 = load i64, ptr %t79
+  call void @finch_str_from_int(ptr %a81, i64 %t80)
+  %t82 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t69, ptr %a84
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t69, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.2890, i64 8, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t95 = load i64, ptr %t94
+  call void @finch_str_from_int(ptr %a96, i64 %t95)
+  %t97 = load { ptr, i64, i64 }, ptr %a96
+  store { ptr, i64, i64 } %t93, ptr %a99
+  store { ptr, i64, i64 } %t97, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t93, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.2891, i64 9, i64 0 }, ptr %a106
   call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  store { ptr, i64, i64 } %t107, ptr %a109
-  store { ptr, i64, i64 } { ptr @.str.2801, i64 1, i64 0 }, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  %t112 = call i64 @finch.gen.md(ptr %t39, { ptr, i64, i64 } %t111)
-  store i64 %t112, ptr %a113
-  %t114 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t115 = load i64, ptr %t114
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic4408, label %ok4409
-panic4408:
-  call void @finch_panic(ptr @.str.2802, i64 1920, ptr @.str.2803)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load i64, ptr %a20
+  call void @finch_str_from_int(ptr %a110, i64 %t109)
+  %t111 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t108, ptr %a113
+  store { ptr, i64, i64 } %t111, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  store { ptr, i64, i64 } %t108, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  store { ptr, i64, i64 } %t111, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  %t117 = load { ptr, i64, i64 }, ptr %a112
+  %t118 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t117, ptr %a120
+  store { ptr, i64, i64 } %t118, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  store { ptr, i64, i64 } %t117, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } %t123, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.2892, i64 1, i64 0 }, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = call i64 @finch.gen.md(ptr %t42, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t128, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  store i64 %t129, ptr %a131
+  %t132 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t133 = load i64, ptr %t132
+  %t134 = load ptr, ptr %a1
+  %t135 = icmp eq ptr %t134, null
+  br i1 %t135, label %panic4635, label %ok4636
+panic4635:
+  call void @finch_panic(ptr @.str.2893, i64 2075, ptr @.str.2894)
   unreachable
-ok4409:
-  %t118 = getelementptr inbounds %S.gen.Gen, ptr %t116, i32 0, i32 35
-  store i64 %t115, ptr %t118
-  %t119 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t120 = load i64, ptr %t119
-  %t121 = load ptr, ptr %a1
-  %t122 = icmp eq ptr %t121, null
-  br i1 %t122, label %panic4410, label %ok4411
-panic4410:
-  call void @finch_panic(ptr @.str.2804, i64 1921, ptr @.str.2805)
+ok4636:
+  %t136 = getelementptr inbounds %S.gen.Gen, ptr %t134, i32 0, i32 36
+  store i64 %t133, ptr %t136
+  %t137 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t138 = load i64, ptr %t137
+  %t139 = load ptr, ptr %a1
+  %t140 = icmp eq ptr %t139, null
+  br i1 %t140, label %panic4637, label %ok4638
+panic4637:
+  call void @finch_panic(ptr @.str.2895, i64 2076, ptr @.str.2896)
   unreachable
-ok4411:
-  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 36
-  store i64 %t120, ptr %t123
-  %t124 = load ptr, ptr %a1
-  %t125 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.2806, i64 41, i64 0 }, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t129, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.2807, i64 12, i64 0 }, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  %t134 = load i64, ptr %a113
-  call void @finch_str_from_int(ptr %a135, i64 %t134)
-  %t136 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t133, ptr %a138
-  store { ptr, i64, i64 } %t136, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t140, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.2808, i64 27, i64 0 }, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  call void @finch.gen.emit(ptr %t124, { ptr, i64, i64 } %t144)
+ok4638:
+  %t141 = getelementptr inbounds %S.gen.Gen, ptr %t139, i32 0, i32 37
+  store i64 %t138, ptr %t141
+  %t142 = load ptr, ptr %a1
+  %t143 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.2897, i64 41, i64 0 }, ptr %a145
+  store { ptr, i64, i64 } %t143, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a144
+  store { ptr, i64, i64 } %t147, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.2898, i64 12, i64 0 }, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
+  store { ptr, i64, i64 } %t147, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  %t153 = load i64, ptr %a131
+  call void @finch_str_from_int(ptr %a154, i64 %t153)
+  %t155 = load { ptr, i64, i64 }, ptr %a154
+  store { ptr, i64, i64 } %t152, ptr %a157
+  store { ptr, i64, i64 } %t155, ptr %a158
+  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
+  store { ptr, i64, i64 } %t152, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  store { ptr, i64, i64 } %t155, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a156
+  store { ptr, i64, i64 } %t161, ptr %a163
+  store { ptr, i64, i64 } { ptr @.str.2899, i64 27, i64 0 }, ptr %a164
+  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
+  store { ptr, i64, i64 } %t161, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = load { ptr, i64, i64 }, ptr %a162
+  call void @finch.gen.emit(ptr %t142, { ptr, i64, i64 } %t166)
+  store { ptr, i64, i64 } %t166, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  call void @finch_str_drop(ptr %a23)
   ret void
 }
 
@@ -40967,104 +47672,170 @@ entry:
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = mul i64 2, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.2809, i64 20, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.2900, i64 20, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.2810, i64 30, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.2901, i64 30, i64 0 }, ptr %t5
   %t6 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t7 = insertvalue { ptr, i64, i64 } %t6, i64 2, 1
   %t8 = insertvalue { ptr, i64, i64 } %t7, i64 2, 2
   store { ptr, i64, i64 } %t8, ptr %a9
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic4412, label %ok4413
-panic4412:
-  call void @finch_panic(ptr @.str.2811, i64 1928, ptr @.str.2812)
+  br i1 %t11, label %panic4639, label %ok4640
+panic4639:
+  call void @finch_panic(ptr @.str.2902, i64 2083, ptr @.str.2903)
   unreachable
-ok4413:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 31
+ok4640:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 32
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   store i64 0, ptr %a15
-  br label %for.cond4414
-for.cond4414:
+  br label %for.cond4641
+for.cond4641:
   %t16 = load i64, ptr %a15
   %t17 = icmp slt i64 %t16, %t14
-  br i1 %t17, label %for.body4415, label %for.end4417
-for.body4415:
+  br i1 %t17, label %for.body4642, label %for.end4644
+for.body4642:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t19 = load i64, ptr %a15
   call void @finch_str_from_int(ptr %a20, i64 %t19)
   %t21 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.2813, i64 1, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.2904, i64 1, i64 0 }, ptr %a23
   store { ptr, i64, i64 } %t21, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2814, i64 3, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic4418, label %ok4419
-panic4418:
-  call void @finch_panic(ptr @.str.2815, i64 1929, ptr @.str.2816)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.2905, i64 3, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load ptr, ptr %a1
+  %t33 = icmp eq ptr %t32, null
+  br i1 %t33, label %panic4645, label %ok4646
+panic4645:
+  call void @finch_panic(ptr @.str.2906, i64 2084, ptr @.str.2907)
   unreachable
-ok4419:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 31
-  %t33 = load i64, ptr %a15
-  %t34 = load { ptr, i64, i64 }, ptr %t32
-  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
-  %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range4420, label %inrange4421
-range4420:
-  call void @finch_panic_index(ptr @.str.2817, i64 1929, i64 %t33, i64 %t35)
+ok4646:
+  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 32
+  %t35 = load i64, ptr %a15
+  %t36 = load { ptr, i64, i64 }, ptr %t34
+  %t37 = extractvalue { ptr, i64, i64 } %t36, 1
+  %t38 = icmp uge i64 %t35, %t37
+  br i1 %t38, label %range4647, label %inrange4648
+range4647:
+  call void @finch_panic_index(ptr @.str.2908, i64 2084, i64 %t35, i64 %t37)
   unreachable
-inrange4421:
-  %t37 = extractvalue { ptr, i64, i64 } %t34, 0
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t33
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  store { ptr, i64, i64 } %t29, ptr %a41
-  store { ptr, i64, i64 } %t39, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  %t44 = load i64, ptr %t18
-  %t45 = add i64 %t44, 1
-  call void @finch_arr_reserve(ptr %a9, i64 %t45, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t46 = load ptr, ptr %a9
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t44
-  store { ptr, i64, i64 } %t43, ptr %t47
-  store i64 %t45, ptr %t18
-  br label %for.step4416
-for.step4416:
-  %t48 = load i64, ptr %a15
-  %t49 = add i64 %t48, 1
-  store i64 %t49, ptr %a15
-  br label %for.cond4414
-for.end4417:
-  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2818, i64 1, i64 0 }, ptr %a51
-  call void @finch_str_join(ptr %a52, ptr %a9, ptr %a51)
-  %t53 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t53, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.2819, i64 1, i64 0 }, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  ret { ptr, i64, i64 } %t57
+inrange4648:
+  %t39 = extractvalue { ptr, i64, i64 } %t36, 0
+  %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t39, i64 %t35
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t31, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t31, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = load i64, ptr %t18
+  %t48 = add i64 %t47, 1
+  call void @finch_arr_reserve(ptr %a9, i64 %t48, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t49 = load ptr, ptr %a9
+  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t47
+  store { ptr, i64, i64 } %t46, ptr %t50
+  store i64 %t48, ptr %t18
+  br label %for.step4643
+for.step4643:
+  %t51 = load i64, ptr %a15
+  %t52 = add i64 %t51, 1
+  store i64 %t52, ptr %a15
+  br label %for.cond4641
+for.end4644:
+  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2909, i64 1, i64 0 }, ptr %a54
+  call void @finch_str_join(ptr %a55, ptr %a9, ptr %a54)
+  %t56 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t56, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.2910, i64 1, i64 0 }, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.drop.arr_str(ptr %a9)
+  ret { ptr, i64, i64 } %t61
+}
+
+define internal void @finch.copy.arr_S_gen_Var(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond4720
+n.cond4720:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body4721, label %n.end4722
+n.body4721:
+  %t8 = getelementptr inbounds %S.gen.Var, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.gen.Var, ptr %t2, i64 %t6
+  call void @finch.copy.S_gen_Var(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond4720
+n.end4722:
+  ret void
+}
+
+define internal void @finch.copy.arr_S_gen_Cleanup(ptr %dst, ptr %src) {
+entry:
+
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Cleanup, ptr null, i32 1) to i64))
+  ret void
+}
+
+define internal void @finch.copy.S_gen_Scope(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.gen.Scope, ptr %src
+  store %S.gen.Scope %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 0
+  call void @finch.copy.arr_S_gen_Var(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 1
+  call void @finch.copy.arr_S_ast_Node(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 2
+  call void @finch.copy.arr_int(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 3
+  %t9 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 3
+  call void @finch.copy.arr_S_gen_Cleanup(ptr %t8, ptr %t9)
+  ret void
 }
 
 define internal void @finch.copy.arr_S_gen_Scope(ptr %dst, ptr %src) {
@@ -41076,20 +47847,44 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond4490
-n.cond4490:
+  br label %n.cond4717
+n.cond4717:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body4491, label %n.end4492
-n.body4491:
+  br i1 %t7, label %n.body4718, label %n.end4719
+n.body4718:
   %t8 = getelementptr inbounds %S.gen.Scope, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.gen.Scope, ptr %t2, i64 %t6
   call void @finch.copy.S_gen_Scope(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond4490
-n.end4492:
+  br label %n.cond4717
+n.end4719:
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Scope(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond4723
+n.cond4723:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body4724, label %n.end4725
+n.body4724:
+  %t7 = getelementptr inbounds %S.gen.Scope, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Scope(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond4723
+n.end4725:
+  call void @finch_arr_free(ptr %a)
   ret void
 }
 
@@ -41099,1067 +47894,1245 @@ entry:
   %a2 = alloca i64, align 16
   %a16 = alloca %S.gen.FnSig, align 16
   %a17 = alloca %S.gen.FnSig, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca %S.ast.Node, align 16
-  %a104 = alloca %S.ast.Node, align 16
-  %a106 = alloca %S.ast.Node, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.gen.FnSig, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca %S.ast.Node, align 16
+  %a117 = alloca %S.ast.Node, align 16
+  %a119 = alloca %S.ast.Node, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca i64, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca i64, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca %S.ast.Type, align 16
-  %a226 = alloca %S.ast.Type, align 16
-  %a227 = alloca %S.ast.Type, align 16
-  %a249 = alloca i64, align 16
-  %a263 = alloca %S.ast.Type, align 16
-  %a264 = alloca %S.ast.Type, align 16
-  %a266 = alloca %S.ast.Type, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca %S.ast.Type, align 16
+  %a247 = alloca %S.ast.Type, align 16
+  %a248 = alloca %S.ast.Type, align 16
+  %a270 = alloca i64, align 16
+  %a284 = alloca %S.ast.Type, align 16
+  %a285 = alloca %S.ast.Type, align 16
+  %a287 = alloca %S.ast.Type, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
   %a427 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
   %a438 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a450 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
   %a453 = alloca { ptr, i64, i64 }, align 16
-  %a454 = alloca { ptr, i64, i64 }, align 16
   %a455 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a458 = alloca { ptr, i64, i64 }, align 16
-  %a459 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
-  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
   %a471 = alloca { ptr, i64, i64 }, align 16
   %a472 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
   %a475 = alloca { ptr, i64, i64 }, align 16
   %a476 = alloca { ptr, i64, i64 }, align 16
-  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
   %a479 = alloca { ptr, i64, i64 }, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
   %a489 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a502 = alloca { ptr, i64, i64 }, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
-  %a504 = alloca { ptr, i64, i64 }, align 16
-  %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
   %a514 = alloca { ptr, i64, i64 }, align 16
   %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a521 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
   %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a525 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a530 = alloca { ptr, i64, i64 }, align 16
+  %a533 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a543 = alloca { ptr, i64, i64 }, align 16
+  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
+  %a568 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4422, label %ok4423
-panic4422:
-  call void @finch_panic(ptr @.str.2820, i64 1935, ptr @.str.2821)
+  br i1 %t4, label %panic4649, label %ok4650
+panic4649:
+  call void @finch_panic(ptr @.str.2911, i64 2090, ptr @.str.2912)
   unreachable
-ok4423:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 14
+ok4650:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 15
   %t6 = load i64, ptr %a2
   %t7 = load { ptr, i64, i64 }, ptr %t5
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 %t6, %t8
-  br i1 %t9, label %range4424, label %inrange4425
-range4424:
-  call void @finch_panic_index(ptr @.str.2822, i64 1935, i64 %t6, i64 %t8)
+  br i1 %t9, label %range4651, label %inrange4652
+range4651:
+  call void @finch_panic_index(ptr @.str.2913, i64 2090, i64 %t6, i64 %t8)
   unreachable
-inrange4425:
+inrange4652:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.gen.FnSig, ptr %t10, i64 %t6
   %t12 = load %S.gen.FnSig, ptr %t11
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic4426, label %ok4427
-panic4426:
-  call void @finch_panic(ptr @.str.2823, i64 1935, ptr @.str.2824)
+  br i1 %t14, label %panic4653, label %ok4654
+panic4653:
+  call void @finch_panic(ptr @.str.2914, i64 2090, ptr @.str.2915)
   unreachable
-ok4427:
-  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 12
+ok4654:
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 13
   store %S.gen.FnSig %t12, ptr %a16
   call void @finch.copy.S_gen_FnSig(ptr %a17, ptr %a16)
   %t18 = load %S.gen.FnSig, ptr %a17
+  %t19 = load %S.gen.FnSig, ptr %t15
   store %S.gen.FnSig %t18, ptr %t15
-  %t19 = load ptr, ptr %a1
-  %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic4428, label %ok4429
-panic4428:
-  call void @finch_panic(ptr @.str.2825, i64 1936, ptr @.str.2826)
+  store %S.gen.FnSig %t19, ptr %a20
+  call void @finch.drop.S_gen_FnSig(ptr %a20)
+  %t21 = load ptr, ptr %a1
+  %t22 = icmp eq ptr %t21, null
+  br i1 %t22, label %panic4655, label %ok4656
+panic4655:
+  call void @finch_panic(ptr @.str.2916, i64 2091, ptr @.str.2917)
   unreachable
-ok4429:
-  %t21 = getelementptr inbounds %S.gen.Gen, ptr %t19, i32 0, i32 12
-  %t22 = getelementptr inbounds %S.gen.FnSig, ptr %t21, i32 0, i32 0
-  %t23 = load { ptr, i64, i64 }, ptr %t22
-  %t24 = load ptr, ptr %a1
-  %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic4430, label %ok4431
-panic4430:
-  call void @finch_panic(ptr @.str.2827, i64 1936, ptr @.str.2828)
+ok4656:
+  %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 13
+  %t24 = getelementptr inbounds %S.gen.FnSig, ptr %t23, i32 0, i32 0
+  %t25 = load { ptr, i64, i64 }, ptr %t24
+  %t26 = load ptr, ptr %a1
+  %t27 = icmp eq ptr %t26, null
+  br i1 %t27, label %panic4657, label %ok4658
+panic4657:
+  call void @finch_panic(ptr @.str.2918, i64 2091, ptr @.str.2919)
   unreachable
-ok4431:
-  %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 13
-  store { ptr, i64, i64 } %t23, ptr %a27
-  call void @finch_str_copy(ptr %a28, ptr %a27)
-  %t29 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t29, ptr %t26
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic4432, label %ok4433
-panic4432:
-  call void @finch_panic(ptr @.str.2829, i64 1937, ptr @.str.2830)
+ok4658:
+  %t28 = getelementptr inbounds %S.gen.Gen, ptr %t26, i32 0, i32 14
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_copy(ptr %a30, ptr %a29)
+  %t31 = load { ptr, i64, i64 }, ptr %a30
+  %t32 = load { ptr, i64, i64 }, ptr %t28
+  store { ptr, i64, i64 } %t31, ptr %t28
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load ptr, ptr %a1
+  %t35 = icmp eq ptr %t34, null
+  br i1 %t35, label %panic4659, label %ok4660
+panic4659:
+  call void @finch_panic(ptr @.str.2920, i64 2092, ptr @.str.2921)
   unreachable
-ok4433:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 12
-  %t33 = getelementptr inbounds %S.gen.FnSig, ptr %t32, i32 0, i32 6
-  %t34 = load { ptr, i64, i64 }, ptr %t33
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic4434, label %ok4435
-panic4434:
-  call void @finch_panic(ptr @.str.2831, i64 1937, ptr @.str.2832)
+ok4660:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 13
+  %t37 = getelementptr inbounds %S.gen.FnSig, ptr %t36, i32 0, i32 6
+  %t38 = load { ptr, i64, i64 }, ptr %t37
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic4661, label %ok4662
+panic4661:
+  call void @finch_panic(ptr @.str.2922, i64 2092, ptr @.str.2923)
   unreachable
-ok4435:
-  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 17
-  store { ptr, i64, i64 } %t34, ptr %a38
-  call void @finch.copy.arr_str(ptr %a39, ptr %a38)
-  %t40 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t40, ptr %t37
-  %t41 = load ptr, ptr %a1
-  %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic4436, label %ok4437
-panic4436:
-  call void @finch_panic(ptr @.str.2833, i64 1938, ptr @.str.2834)
+ok4662:
+  %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 18
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch.copy.arr_str(ptr %a43, ptr %a42)
+  %t44 = load { ptr, i64, i64 }, ptr %a43
+  %t45 = load { ptr, i64, i64 }, ptr %t41
+  store { ptr, i64, i64 } %t44, ptr %t41
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch.drop.arr_str(ptr %a46)
+  %t47 = load ptr, ptr %a1
+  %t48 = icmp eq ptr %t47, null
+  br i1 %t48, label %panic4663, label %ok4664
+panic4663:
+  call void @finch_panic(ptr @.str.2924, i64 2093, ptr @.str.2925)
   unreachable
-ok4437:
-  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 12
-  %t44 = getelementptr inbounds %S.gen.FnSig, ptr %t43, i32 0, i32 7
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = load ptr, ptr %a1
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic4438, label %ok4439
-panic4438:
-  call void @finch_panic(ptr @.str.2835, i64 1938, ptr @.str.2836)
-  unreachable
-ok4439:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 18
-  store { ptr, i64, i64 } %t45, ptr %a49
-  call void @finch.copy.arr_S_ast_Type(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t51, ptr %t48
+ok4664:
+  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 13
+  %t50 = getelementptr inbounds %S.gen.FnSig, ptr %t49, i32 0, i32 7
+  %t51 = load { ptr, i64, i64 }, ptr %t50
   %t52 = load ptr, ptr %a1
   %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic4440, label %ok4441
-panic4440:
-  call void @finch_panic(ptr @.str.2838, i64 1939, ptr @.str.2839)
+  br i1 %t53, label %panic4665, label %ok4666
+panic4665:
+  call void @finch_panic(ptr @.str.2926, i64 2093, ptr @.str.2927)
   unreachable
-ok4441:
+ok4666:
   %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 19
-  store { ptr, i64, i64 } { ptr @.str.2837, i64 0, i64 0 }, ptr %t54
-  %t55 = load ptr, ptr %a1
-  %t56 = icmp eq ptr %t55, null
-  br i1 %t56, label %panic4442, label %ok4443
-panic4442:
-  call void @finch_panic(ptr @.str.2840, i64 1940, ptr @.str.2841)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch.copy.arr_S_ast_Type(ptr %a56, ptr %a55)
+  %t57 = load { ptr, i64, i64 }, ptr %a56
+  %t58 = load { ptr, i64, i64 }, ptr %t54
+  store { ptr, i64, i64 } %t57, ptr %t54
+  store { ptr, i64, i64 } %t58, ptr %a59
+  call void @finch.drop.arr_S_ast_Type(ptr %a59)
+  %t60 = load ptr, ptr %a1
+  %t61 = icmp eq ptr %t60, null
+  br i1 %t61, label %panic4667, label %ok4668
+panic4667:
+  call void @finch_panic(ptr @.str.2929, i64 2094, ptr @.str.2930)
   unreachable
-ok4443:
-  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 12
-  %t58 = getelementptr inbounds %S.gen.FnSig, ptr %t57, i32 0, i32 7
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i32 0, i32 1
-  %t60 = load i64, ptr %t59
-  %t61 = icmp sgt i64 %t60, 0
-  br i1 %t61, label %then4444, label %endif4446
-then4444:
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic4447, label %ok4448
-panic4447:
-  call void @finch_panic(ptr @.str.2843, i64 1941, ptr @.str.2844)
+ok4668:
+  %t62 = getelementptr inbounds %S.gen.Gen, ptr %t60, i32 0, i32 20
+  %t63 = load { ptr, i64, i64 }, ptr %t62
+  store { ptr, i64, i64 } { ptr @.str.2928, i64 0, i64 0 }, ptr %t62
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic4669, label %ok4670
+panic4669:
+  call void @finch_panic(ptr @.str.2931, i64 2095, ptr @.str.2932)
   unreachable
-ok4448:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 12
-  %t65 = getelementptr inbounds %S.gen.FnSig, ptr %t64, i32 0, i32 8
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } { ptr @.str.2842, i64 17, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.2845, i64 1, i64 0 }, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = load ptr, ptr %a1
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic4449, label %ok4450
-panic4449:
-  call void @finch_panic(ptr @.str.2846, i64 1941, ptr @.str.2847)
+ok4670:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 13
+  %t68 = getelementptr inbounds %S.gen.FnSig, ptr %t67, i32 0, i32 7
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i32 0, i32 1
+  %t70 = load i64, ptr %t69
+  %t71 = icmp sgt i64 %t70, 0
+  br i1 %t71, label %then4671, label %endif4673
+then4671:
+  %t72 = load ptr, ptr %a1
+  %t73 = icmp eq ptr %t72, null
+  br i1 %t73, label %panic4674, label %ok4675
+panic4674:
+  call void @finch_panic(ptr @.str.2934, i64 2096, ptr @.str.2935)
   unreachable
-ok4450:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 19
-  store { ptr, i64, i64 } %t74, ptr %t77
-  br label %endif4446
-endif4446:
-  %t78 = load ptr, ptr %a1
-  %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic4451, label %ok4452
-panic4451:
-  call void @finch_panic(ptr @.str.2848, i64 1943, ptr @.str.2849)
+ok4675:
+  %t74 = getelementptr inbounds %S.gen.Gen, ptr %t72, i32 0, i32 13
+  %t75 = getelementptr inbounds %S.gen.FnSig, ptr %t74, i32 0, i32 8
+  %t76 = load { ptr, i64, i64 }, ptr %t75
+  store { ptr, i64, i64 } { ptr @.str.2933, i64 17, i64 0 }, ptr %a78
+  store { ptr, i64, i64 } %t76, ptr %a79
+  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a77
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.2936, i64 1, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic4676, label %ok4677
+panic4676:
+  call void @finch_panic(ptr @.str.2937, i64 2096, ptr @.str.2938)
   unreachable
-ok4452:
-  %t80 = getelementptr inbounds %S.gen.Gen, ptr %t78, i32 0, i32 0
-  %t81 = load ptr, ptr %a1
-  %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic4453, label %ok4454
-panic4453:
-  call void @finch_panic(ptr @.str.2850, i64 1943, ptr @.str.2851)
+ok4677:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 20
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t85, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  br label %endif4673
+endif4673:
+  %t91 = load ptr, ptr %a1
+  %t92 = icmp eq ptr %t91, null
+  br i1 %t92, label %panic4678, label %ok4679
+panic4678:
+  call void @finch_panic(ptr @.str.2939, i64 2098, ptr @.str.2940)
   unreachable
-ok4454:
-  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 12
-  %t84 = getelementptr inbounds %S.gen.FnSig, ptr %t83, i32 0, i32 16
-  %t85 = load i64, ptr %t84
-  %t86 = load { ptr, i64, i64 }, ptr %t80
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 %t85, %t87
-  br i1 %t88, label %range4455, label %inrange4456
-range4455:
-  call void @finch_panic_index(ptr @.str.2852, i64 1943, i64 %t85, i64 %t87)
+ok4679:
+  %t93 = getelementptr inbounds %S.gen.Gen, ptr %t91, i32 0, i32 0
+  %t94 = load ptr, ptr %a1
+  %t95 = icmp eq ptr %t94, null
+  br i1 %t95, label %panic4680, label %ok4681
+panic4680:
+  call void @finch_panic(ptr @.str.2941, i64 2098, ptr @.str.2942)
   unreachable
-inrange4456:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Program, ptr %t89, i64 %t85
-  %t91 = getelementptr inbounds %S.ast.Program, ptr %t90, i32 0, i32 8
-  %t92 = load ptr, ptr %a1
-  %t93 = icmp eq ptr %t92, null
-  br i1 %t93, label %panic4457, label %ok4458
-panic4457:
-  call void @finch_panic(ptr @.str.2853, i64 1943, ptr @.str.2854)
+ok4681:
+  %t96 = getelementptr inbounds %S.gen.Gen, ptr %t94, i32 0, i32 13
+  %t97 = getelementptr inbounds %S.gen.FnSig, ptr %t96, i32 0, i32 16
+  %t98 = load i64, ptr %t97
+  %t99 = load { ptr, i64, i64 }, ptr %t93
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 %t98, %t100
+  br i1 %t101, label %range4682, label %inrange4683
+range4682:
+  call void @finch_panic_index(ptr @.str.2943, i64 2098, i64 %t98, i64 %t100)
   unreachable
-ok4458:
-  %t94 = getelementptr inbounds %S.gen.Gen, ptr %t92, i32 0, i32 12
-  %t95 = getelementptr inbounds %S.gen.FnSig, ptr %t94, i32 0, i32 17
-  %t96 = load i64, ptr %t95
-  %t97 = load { ptr, i64, i64 }, ptr %t91
-  %t98 = extractvalue { ptr, i64, i64 } %t97, 1
-  %t99 = icmp uge i64 %t96, %t98
-  br i1 %t99, label %range4459, label %inrange4460
-range4459:
-  call void @finch_panic_index(ptr @.str.2855, i64 1943, i64 %t96, i64 %t98)
+inrange4683:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds %S.ast.Program, ptr %t102, i64 %t98
+  %t104 = getelementptr inbounds %S.ast.Program, ptr %t103, i32 0, i32 8
+  %t105 = load ptr, ptr %a1
+  %t106 = icmp eq ptr %t105, null
+  br i1 %t106, label %panic4684, label %ok4685
+panic4684:
+  call void @finch_panic(ptr @.str.2944, i64 2098, ptr @.str.2945)
   unreachable
-inrange4460:
-  %t100 = extractvalue { ptr, i64, i64 } %t97, 0
-  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 %t96
-  %t102 = load %S.ast.Node, ptr %t101
-  store %S.ast.Node %t102, ptr %a103
-  call void @finch.copy.S_ast_Node(ptr %a104, ptr %a103)
-  %t105 = load %S.ast.Node, ptr %a104
-  store %S.ast.Node %t105, ptr %a106
-  store { ptr, i64, i64 } zeroinitializer, ptr %a107
-  %t108 = load { ptr, i64, i64 }, ptr %a107
-  %t109 = load ptr, ptr %a1
-  %t110 = icmp eq ptr %t109, null
-  br i1 %t110, label %panic4461, label %ok4462
-panic4461:
-  call void @finch_panic(ptr @.str.2856, i64 1945, ptr @.str.2857)
+ok4685:
+  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 13
+  %t108 = getelementptr inbounds %S.gen.FnSig, ptr %t107, i32 0, i32 17
+  %t109 = load i64, ptr %t108
+  %t110 = load { ptr, i64, i64 }, ptr %t104
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 %t109, %t111
+  br i1 %t112, label %range4686, label %inrange4687
+range4686:
+  call void @finch_panic_index(ptr @.str.2946, i64 2098, i64 %t109, i64 %t111)
   unreachable
-ok4462:
-  %t111 = getelementptr inbounds %S.gen.Gen, ptr %t109, i32 0, i32 4
-  store { ptr, i64, i64 } %t108, ptr %a112
-  call void @finch.copy.arr_str(ptr %a113, ptr %a112)
-  %t114 = load { ptr, i64, i64 }, ptr %a113
-  store { ptr, i64, i64 } %t114, ptr %t111
-  %t115 = load { ptr, i64, i64 }, ptr %a107
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic4463, label %ok4464
-panic4463:
-  call void @finch_panic(ptr @.str.2858, i64 1946, ptr @.str.2859)
-  unreachable
-ok4464:
-  %t118 = getelementptr inbounds %S.gen.Gen, ptr %t116, i32 0, i32 5
-  store { ptr, i64, i64 } %t115, ptr %a119
-  call void @finch.copy.arr_str(ptr %a120, ptr %a119)
+inrange4687:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds %S.ast.Node, ptr %t113, i64 %t109
+  %t115 = load %S.ast.Node, ptr %t114
+  store %S.ast.Node %t115, ptr %a116
+  call void @finch.copy.S_ast_Node(ptr %a117, ptr %a116)
+  %t118 = load %S.ast.Node, ptr %a117
+  store %S.ast.Node %t118, ptr %a119
+  store { ptr, i64, i64 } zeroinitializer, ptr %a120
   %t121 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t121, ptr %t118
   %t122 = load ptr, ptr %a1
   %t123 = icmp eq ptr %t122, null
-  br i1 %t123, label %panic4465, label %ok4466
-panic4465:
-  call void @finch_panic(ptr @.str.2860, i64 1947, ptr @.str.2861)
+  br i1 %t123, label %panic4688, label %ok4689
+panic4688:
+  call void @finch_panic(ptr @.str.2947, i64 2100, ptr @.str.2948)
   unreachable
-ok4466:
-  %t124 = getelementptr inbounds %S.gen.Gen, ptr %t122, i32 0, i32 6
-  store i64 0, ptr %t124
-  %t125 = load ptr, ptr %a1
-  %t126 = icmp eq ptr %t125, null
-  br i1 %t126, label %panic4467, label %ok4468
-panic4467:
-  call void @finch_panic(ptr @.str.2862, i64 1948, ptr @.str.2863)
-  unreachable
-ok4468:
-  %t127 = getelementptr inbounds %S.gen.Gen, ptr %t125, i32 0, i32 9
-  store i1 false, ptr %t127
-  %t128 = load ptr, ptr %a1
-  %t129 = icmp eq ptr %t128, null
-  br i1 %t129, label %panic4469, label %ok4470
-panic4469:
-  call void @finch_panic(ptr @.str.2864, i64 1949, ptr @.str.2865)
-  unreachable
-ok4470:
-  %t130 = getelementptr inbounds %S.gen.Gen, ptr %t128, i32 0, i32 23
-  store i64 0, ptr %t130
+ok4689:
+  %t124 = getelementptr inbounds %S.gen.Gen, ptr %t122, i32 0, i32 4
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch.copy.arr_str(ptr %a126, ptr %a125)
+  %t127 = load { ptr, i64, i64 }, ptr %a126
+  %t128 = load { ptr, i64, i64 }, ptr %t124
+  store { ptr, i64, i64 } %t127, ptr %t124
+  store { ptr, i64, i64 } %t128, ptr %a129
+  call void @finch.drop.arr_str(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a120
   %t131 = load ptr, ptr %a1
   %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic4471, label %ok4472
-panic4471:
-  call void @finch_panic(ptr @.str.2866, i64 1950, ptr @.str.2867)
+  br i1 %t132, label %panic4690, label %ok4691
+panic4690:
+  call void @finch_panic(ptr @.str.2949, i64 2101, ptr @.str.2950)
   unreachable
-ok4472:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 34
-  store i64 -1, ptr %t133
-  store i64 -1, ptr %a134
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic4473, label %ok4474
-panic4473:
-  call void @finch_panic(ptr @.str.2868, i64 1952, ptr @.str.2869)
-  unreachable
-ok4474:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 28
-  %t138 = load i1, ptr %t137
-  br i1 %t138, label %then4475, label %endif4477
-then4475:
+ok4691:
+  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 5
+  store { ptr, i64, i64 } %t130, ptr %a134
+  call void @finch.copy.arr_str(ptr %a135, ptr %a134)
+  %t136 = load { ptr, i64, i64 }, ptr %a135
+  %t137 = load { ptr, i64, i64 }, ptr %t133
+  store { ptr, i64, i64 } %t136, ptr %t133
+  store { ptr, i64, i64 } %t137, ptr %a138
+  call void @finch.drop.arr_str(ptr %a138)
   %t139 = load ptr, ptr %a1
-  %t140 = load %S.ast.Node, ptr %a106
-  %t141 = call i64 @finch.gen.dbgSubprogram(ptr %t139, %S.ast.Node %t140)
-  store i64 %t141, ptr %a134
-  %t142 = load i64, ptr %a134
-  %t143 = load ptr, ptr %a1
-  %t144 = icmp eq ptr %t143, null
-  br i1 %t144, label %panic4478, label %ok4479
-panic4478:
-  call void @finch_panic(ptr @.str.2870, i64 1954, ptr @.str.2871)
+  %t140 = icmp eq ptr %t139, null
+  br i1 %t140, label %panic4692, label %ok4693
+panic4692:
+  call void @finch_panic(ptr @.str.2951, i64 2102, ptr @.str.2952)
   unreachable
-ok4479:
-  %t145 = getelementptr inbounds %S.gen.Gen, ptr %t143, i32 0, i32 34
-  store i64 %t142, ptr %t145
-  %t146 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 11
-  %t147 = load i64, ptr %t146
+ok4693:
+  %t141 = getelementptr inbounds %S.gen.Gen, ptr %t139, i32 0, i32 6
+  store i64 0, ptr %t141
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic4694, label %ok4695
+panic4694:
+  call void @finch_panic(ptr @.str.2953, i64 2103, ptr @.str.2954)
+  unreachable
+ok4695:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 9
+  store i1 false, ptr %t144
+  %t145 = load ptr, ptr %a1
+  %t146 = icmp eq ptr %t145, null
+  br i1 %t146, label %panic4696, label %ok4697
+panic4696:
+  call void @finch_panic(ptr @.str.2955, i64 2104, ptr @.str.2956)
+  unreachable
+ok4697:
+  %t147 = getelementptr inbounds %S.gen.Gen, ptr %t145, i32 0, i32 24
+  store i64 0, ptr %t147
   %t148 = load ptr, ptr %a1
   %t149 = icmp eq ptr %t148, null
-  br i1 %t149, label %panic4480, label %ok4481
-panic4480:
-  call void @finch_panic(ptr @.str.2872, i64 1955, ptr @.str.2873)
+  br i1 %t149, label %panic4698, label %ok4699
+panic4698:
+  call void @finch_panic(ptr @.str.2957, i64 2105, ptr @.str.2958)
   unreachable
-ok4481:
+ok4699:
   %t150 = getelementptr inbounds %S.gen.Gen, ptr %t148, i32 0, i32 35
-  store i64 %t147, ptr %t150
-  %t151 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 12
-  %t152 = load i64, ptr %t151
-  %t153 = load ptr, ptr %a1
-  %t154 = icmp eq ptr %t153, null
-  br i1 %t154, label %panic4482, label %ok4483
-panic4482:
-  call void @finch_panic(ptr @.str.2874, i64 1956, ptr @.str.2875)
+  store i64 -1, ptr %t150
+  store i64 -1, ptr %a151
+  %t152 = load ptr, ptr %a1
+  %t153 = icmp eq ptr %t152, null
+  br i1 %t153, label %panic4700, label %ok4701
+panic4700:
+  call void @finch_panic(ptr @.str.2959, i64 2107, ptr @.str.2960)
   unreachable
-ok4483:
-  %t155 = getelementptr inbounds %S.gen.Gen, ptr %t153, i32 0, i32 36
-  store i64 %t152, ptr %t155
-  br label %endif4477
-endif4477:
+ok4701:
+  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 29
+  %t155 = load i1, ptr %t154
+  br i1 %t155, label %then4702, label %endif4704
+then4702:
   %t156 = load ptr, ptr %a1
-  %t157 = icmp eq ptr %t156, null
-  br i1 %t157, label %panic4484, label %ok4485
-panic4484:
-  call void @finch_panic(ptr @.str.2876, i64 1958, ptr @.str.2877)
+  %t157 = load %S.ast.Node, ptr %a119
+  %t158 = call i64 @finch.gen.dbgSubprogram(ptr %t156, %S.ast.Node %t157)
+  store i64 %t158, ptr %a151
+  %t159 = load i64, ptr %a151
+  %t160 = load ptr, ptr %a1
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic4705, label %ok4706
+panic4705:
+  call void @finch_panic(ptr @.str.2961, i64 2109, ptr @.str.2962)
   unreachable
-ok4485:
-  %t158 = getelementptr inbounds %S.gen.Gen, ptr %t156, i32 0, i32 42
-  store i1 false, ptr %t158
-  %t159 = load ptr, ptr %a1
-  %t160 = icmp eq ptr %t159, null
-  br i1 %t160, label %panic4486, label %ok4487
-panic4486:
-  call void @finch_panic(ptr @.str.2878, i64 1959, ptr @.str.2879)
+ok4706:
+  %t162 = getelementptr inbounds %S.gen.Gen, ptr %t160, i32 0, i32 35
+  store i64 %t159, ptr %t162
+  %t163 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 11
+  %t164 = load i64, ptr %t163
+  %t165 = load ptr, ptr %a1
+  %t166 = icmp eq ptr %t165, null
+  br i1 %t166, label %panic4707, label %ok4708
+panic4707:
+  call void @finch_panic(ptr @.str.2963, i64 2110, ptr @.str.2964)
   unreachable
-ok4487:
-  %t161 = getelementptr inbounds %S.gen.Gen, ptr %t159, i32 0, i32 44
-  store i64 0, ptr %t161
-  store { ptr, i64, i64 } zeroinitializer, ptr %a162
-  %t163 = load { ptr, i64, i64 }, ptr %a162
-  %t164 = load ptr, ptr %a1
-  %t165 = icmp eq ptr %t164, null
-  br i1 %t165, label %panic4488, label %ok4489
-panic4488:
-  call void @finch_panic(ptr @.str.2880, i64 1961, ptr @.str.2881)
-  unreachable
-ok4489:
-  %t166 = getelementptr inbounds %S.gen.Gen, ptr %t164, i32 0, i32 10
-  store { ptr, i64, i64 } %t163, ptr %a167
-  call void @finch.copy.arr_S_gen_Scope(ptr %a168, ptr %a167)
-  %t169 = load { ptr, i64, i64 }, ptr %a168
-  store { ptr, i64, i64 } %t169, ptr %t166
+ok4708:
+  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 36
+  store i64 %t164, ptr %t167
+  %t168 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 12
+  %t169 = load i64, ptr %t168
   %t170 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t170)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a171
-  %t172 = load ptr, ptr %a1
-  %t173 = icmp eq ptr %t172, null
-  br i1 %t173, label %panic4493, label %ok4494
-panic4493:
-  call void @finch_panic(ptr @.str.2882, i64 1964, ptr @.str.2883)
+  %t171 = icmp eq ptr %t170, null
+  br i1 %t171, label %panic4709, label %ok4710
+panic4709:
+  call void @finch_panic(ptr @.str.2965, i64 2111, ptr @.str.2966)
   unreachable
-ok4494:
-  %t174 = getelementptr inbounds %S.gen.Gen, ptr %t172, i32 0, i32 12
-  %t175 = getelementptr inbounds %S.gen.FnSig, ptr %t174, i32 0, i32 2
-  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t175, i32 0, i32 1
-  %t177 = load i64, ptr %t176
-  %t178 = icmp sgt i64 %t177, 0
-  br i1 %t178, label %then4495, label %endif4497
-then4495:
-  %t179 = getelementptr inbounds { ptr, i64, i64 }, ptr %a171, i32 0, i32 1
-  %t180 = load i64, ptr %t179
-  %t181 = add i64 %t180, 1
-  call void @finch_arr_reserve(ptr %a171, i64 %t181, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t182 = load ptr, ptr %a171
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i64 %t180
-  store { ptr, i64, i64 } { ptr @.str.2884, i64 9, i64 0 }, ptr %t183
-  store i64 %t181, ptr %t179
-  store { ptr, i64, i64 } { ptr @.str.2885, i64 6, i64 0 }, ptr %a184
-  %t185 = load ptr, ptr %a1
-  %t186 = icmp eq ptr %t185, null
-  br i1 %t186, label %panic4498, label %ok4499
-panic4498:
-  call void @finch_panic(ptr @.str.2886, i64 1968, ptr @.str.2887)
+ok4710:
+  %t172 = getelementptr inbounds %S.gen.Gen, ptr %t170, i32 0, i32 37
+  store i64 %t169, ptr %t172
+  br label %endif4704
+endif4704:
+  %t173 = load ptr, ptr %a1
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic4711, label %ok4712
+panic4711:
+  call void @finch_panic(ptr @.str.2967, i64 2113, ptr @.str.2968)
   unreachable
-ok4499:
-  %t187 = getelementptr inbounds %S.gen.Gen, ptr %t185, i32 0, i32 12
-  %t188 = getelementptr inbounds %S.gen.FnSig, ptr %t187, i32 0, i32 4
-  %t189 = load i1, ptr %t188
-  br i1 %t189, label %then4500, label %endif4502
-then4500:
-  store { ptr, i64, i64 } { ptr @.str.2888, i64 4, i64 0 }, ptr %a184
-  br label %endif4502
-endif4502:
-  %t190 = load { ptr, i64, i64 }, ptr %a184
-  store { ptr, i64, i64 } %t190, ptr %a191
-  call void @finch_str_copy(ptr %a192, ptr %a191)
-  %t193 = load { ptr, i64, i64 }, ptr %a192
-  %t194 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } %t193, 0
-  %t195 = load ptr, ptr %a1
-  %t196 = icmp eq ptr %t195, null
-  br i1 %t196, label %panic4503, label %ok4504
-panic4503:
-  call void @finch_panic(ptr @.str.2889, i64 1971, ptr @.str.2890)
+ok4712:
+  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 43
+  store i1 false, ptr %t175
+  %t176 = load ptr, ptr %a1
+  %t177 = icmp eq ptr %t176, null
+  br i1 %t177, label %panic4713, label %ok4714
+panic4713:
+  call void @finch_panic(ptr @.str.2969, i64 2114, ptr @.str.2970)
   unreachable
-ok4504:
-  %t197 = getelementptr inbounds %S.gen.Gen, ptr %t195, i32 0, i32 12
-  %t198 = getelementptr inbounds %S.gen.FnSig, ptr %t197, i32 0, i32 2
-  %t199 = load { ptr, i64, i64 }, ptr %t198
-  store { ptr, i64, i64 } %t199, ptr %a200
-  call void @finch_str_copy(ptr %a201, ptr %a200)
-  %t202 = load { ptr, i64, i64 }, ptr %a201
-  %t203 = insertvalue %S.ast.Type %t194, { ptr, i64, i64 } %t202, 2
+ok4714:
+  %t178 = getelementptr inbounds %S.gen.Gen, ptr %t176, i32 0, i32 45
+  store i64 0, ptr %t178
+  store { ptr, i64, i64 } zeroinitializer, ptr %a179
+  %t180 = load { ptr, i64, i64 }, ptr %a179
+  %t181 = load ptr, ptr %a1
+  %t182 = icmp eq ptr %t181, null
+  br i1 %t182, label %panic4715, label %ok4716
+panic4715:
+  call void @finch_panic(ptr @.str.2971, i64 2116, ptr @.str.2972)
+  unreachable
+ok4716:
+  %t183 = getelementptr inbounds %S.gen.Gen, ptr %t181, i32 0, i32 10
+  store { ptr, i64, i64 } %t180, ptr %a184
+  call void @finch.copy.arr_S_gen_Scope(ptr %a185, ptr %a184)
+  %t186 = load { ptr, i64, i64 }, ptr %a185
+  %t187 = load { ptr, i64, i64 }, ptr %t183
+  store { ptr, i64, i64 } %t186, ptr %t183
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch.drop.arr_S_gen_Scope(ptr %a188)
+  %t189 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t189)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a190
+  %t191 = load ptr, ptr %a1
+  %t192 = icmp eq ptr %t191, null
+  br i1 %t192, label %panic4726, label %ok4727
+panic4726:
+  call void @finch_panic(ptr @.str.2973, i64 2119, ptr @.str.2974)
+  unreachable
+ok4727:
+  %t193 = getelementptr inbounds %S.gen.Gen, ptr %t191, i32 0, i32 13
+  %t194 = getelementptr inbounds %S.gen.FnSig, ptr %t193, i32 0, i32 2
+  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
+  %t196 = load i64, ptr %t195
+  %t197 = icmp sgt i64 %t196, 0
+  br i1 %t197, label %then4728, label %endif4730
+then4728:
+  %t198 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
+  %t199 = load i64, ptr %t198
+  %t200 = add i64 %t199, 1
+  call void @finch_arr_reserve(ptr %a190, i64 %t200, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t201 = load ptr, ptr %a190
+  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i64 %t199
+  store { ptr, i64, i64 } { ptr @.str.2975, i64 9, i64 0 }, ptr %t202
+  store i64 %t200, ptr %t198
+  store { ptr, i64, i64 } { ptr @.str.2976, i64 6, i64 0 }, ptr %a203
   %t204 = load ptr, ptr %a1
   %t205 = icmp eq ptr %t204, null
-  br i1 %t205, label %panic4505, label %ok4506
-panic4505:
-  call void @finch_panic(ptr @.str.2891, i64 1971, ptr @.str.2892)
+  br i1 %t205, label %panic4731, label %ok4732
+panic4731:
+  call void @finch_panic(ptr @.str.2977, i64 2123, ptr @.str.2978)
   unreachable
-ok4506:
-  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 12
-  %t207 = getelementptr inbounds %S.gen.FnSig, ptr %t206, i32 0, i32 3
-  %t208 = load { ptr, i64, i64 }, ptr %t207
-  store { ptr, i64, i64 } %t208, ptr %a209
-  call void @finch_str_copy(ptr %a210, ptr %a209)
-  %t211 = load { ptr, i64, i64 }, ptr %a210
-  %t212 = insertvalue %S.ast.Type %t203, { ptr, i64, i64 } %t211, 3
-  store %S.ast.Type %t212, ptr %a213
-  %t214 = load ptr, ptr %a1
-  %t215 = icmp eq ptr %t214, null
-  br i1 %t215, label %panic4507, label %ok4508
-panic4507:
-  call void @finch_panic(ptr @.str.2893, i64 1972, ptr @.str.2894)
+ok4732:
+  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 13
+  %t207 = getelementptr inbounds %S.gen.FnSig, ptr %t206, i32 0, i32 4
+  %t208 = load i1, ptr %t207
+  br i1 %t208, label %then4733, label %endif4735
+then4733:
+  %t209 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } { ptr @.str.2979, i64 4, i64 0 }, ptr %a203
+  store { ptr, i64, i64 } %t209, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  br label %endif4735
+endif4735:
+  %t211 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } %t211, ptr %a212
+  call void @finch_str_copy(ptr %a213, ptr %a212)
+  %t214 = load { ptr, i64, i64 }, ptr %a213
+  %t215 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } %t214, 0
+  %t216 = load ptr, ptr %a1
+  %t217 = icmp eq ptr %t216, null
+  br i1 %t217, label %panic4736, label %ok4737
+panic4736:
+  call void @finch_panic(ptr @.str.2980, i64 2126, ptr @.str.2981)
   unreachable
-ok4508:
-  %t216 = getelementptr inbounds %S.gen.Gen, ptr %t214, i32 0, i32 10
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  %t218 = extractvalue { ptr, i64, i64 } %t217, 1
-  %t219 = icmp uge i64 0, %t218
-  br i1 %t219, label %range4509, label %inrange4510
-range4509:
-  call void @finch_panic_index(ptr @.str.2895, i64 1972, i64 0, i64 %t218)
+ok4737:
+  %t218 = getelementptr inbounds %S.gen.Gen, ptr %t216, i32 0, i32 13
+  %t219 = getelementptr inbounds %S.gen.FnSig, ptr %t218, i32 0, i32 2
+  %t220 = load { ptr, i64, i64 }, ptr %t219
+  store { ptr, i64, i64 } %t220, ptr %a221
+  call void @finch_str_copy(ptr %a222, ptr %a221)
+  %t223 = load { ptr, i64, i64 }, ptr %a222
+  %t224 = insertvalue %S.ast.Type %t215, { ptr, i64, i64 } %t223, 2
+  %t225 = load ptr, ptr %a1
+  %t226 = icmp eq ptr %t225, null
+  br i1 %t226, label %panic4738, label %ok4739
+panic4738:
+  call void @finch_panic(ptr @.str.2982, i64 2126, ptr @.str.2983)
   unreachable
-inrange4510:
-  %t220 = extractvalue { ptr, i64, i64 } %t217, 0
-  %t221 = getelementptr inbounds %S.gen.Scope, ptr %t220, i64 0
-  %t222 = getelementptr inbounds %S.gen.Scope, ptr %t221, i32 0, i32 0
-  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i32 0, i32 1
-  %t224 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } { ptr @.str.2896, i64 4, i64 0 }, 0
-  %t225 = load %S.ast.Type, ptr %a213
-  store %S.ast.Type %t225, ptr %a226
-  call void @finch.copy.S_ast_Type(ptr %a227, ptr %a226)
-  %t228 = load %S.ast.Type, ptr %a227
-  %t229 = insertvalue %S.gen.Var %t224, %S.ast.Type %t228, 1
-  %t230 = insertvalue %S.gen.Var %t229, { ptr, i64, i64 } { ptr @.str.2897, i64 5, i64 0 }, 2
-  %t231 = insertvalue %S.gen.Var %t230, i1 false, 3
-  %t232 = load i64, ptr %t223
-  %t233 = add i64 %t232, 1
-  call void @finch_arr_reserve(ptr %t222, i64 %t233, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
-  %t234 = load ptr, ptr %t222
-  %t235 = getelementptr inbounds %S.gen.Var, ptr %t234, i64 %t232
-  store %S.gen.Var %t231, ptr %t235
-  store i64 %t233, ptr %t223
-  %t236 = load ptr, ptr %a1
-  %t237 = icmp eq ptr %t236, null
-  br i1 %t237, label %panic4511, label %ok4512
-panic4511:
-  call void @finch_panic(ptr @.str.2898, i64 1973, ptr @.str.2899)
+ok4739:
+  %t227 = getelementptr inbounds %S.gen.Gen, ptr %t225, i32 0, i32 13
+  %t228 = getelementptr inbounds %S.gen.FnSig, ptr %t227, i32 0, i32 3
+  %t229 = load { ptr, i64, i64 }, ptr %t228
+  store { ptr, i64, i64 } %t229, ptr %a230
+  call void @finch_str_copy(ptr %a231, ptr %a230)
+  %t232 = load { ptr, i64, i64 }, ptr %a231
+  %t233 = insertvalue %S.ast.Type %t224, { ptr, i64, i64 } %t232, 3
+  store %S.ast.Type %t233, ptr %a234
+  %t235 = load ptr, ptr %a1
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic4740, label %ok4741
+panic4740:
+  call void @finch_panic(ptr @.str.2984, i64 2127, ptr @.str.2985)
   unreachable
-ok4512:
-  %t238 = getelementptr inbounds %S.gen.Gen, ptr %t236, i32 0, i32 28
-  %t239 = load i1, ptr %t238
-  br i1 %t239, label %then4513, label %endif4515
-then4513:
-  %t240 = load ptr, ptr %a1
-  %t241 = load %S.ast.Node, ptr %a106
-  %t242 = load %S.ast.Type, ptr %a213
-  call void @finch.gen.dbgVariable(ptr %t240, %S.ast.Node %t241, { ptr, i64, i64 } { ptr @.str.2900, i64 4, i64 0 }, %S.ast.Type %t242, { ptr, i64, i64 } { ptr @.str.2901, i64 5, i64 0 })
-  br label %endif4515
-endif4515:
-  br label %endif4497
-endif4497:
-  %t243 = load ptr, ptr %a1
-  %t244 = icmp eq ptr %t243, null
-  br i1 %t244, label %panic4516, label %ok4517
-panic4516:
-  call void @finch_panic(ptr @.str.2902, i64 1978, ptr @.str.2903)
+ok4741:
+  %t237 = getelementptr inbounds %S.gen.Gen, ptr %t235, i32 0, i32 10
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
+  %t240 = icmp uge i64 0, %t239
+  br i1 %t240, label %range4742, label %inrange4743
+range4742:
+  call void @finch_panic_index(ptr @.str.2986, i64 2127, i64 0, i64 %t239)
   unreachable
-ok4517:
-  %t245 = getelementptr inbounds %S.gen.Gen, ptr %t243, i32 0, i32 12
-  %t246 = getelementptr inbounds %S.gen.FnSig, ptr %t245, i32 0, i32 13
-  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i32 0, i32 1
-  %t248 = load i64, ptr %t247
-  store i64 0, ptr %a249
-  br label %for.cond4518
-for.cond4518:
-  %t250 = load i64, ptr %a249
-  %t251 = icmp slt i64 %t250, %t248
-  br i1 %t251, label %for.body4519, label %for.end4521
-for.body4519:
-  %t252 = load ptr, ptr %a1
-  %t253 = icmp eq ptr %t252, null
-  br i1 %t253, label %panic4522, label %ok4523
-panic4522:
-  call void @finch_panic(ptr @.str.2904, i64 1979, ptr @.str.2905)
+inrange4743:
+  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
+  %t242 = getelementptr inbounds %S.gen.Scope, ptr %t241, i64 0
+  %t243 = getelementptr inbounds %S.gen.Scope, ptr %t242, i32 0, i32 0
+  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
+  %t245 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } { ptr @.str.2987, i64 4, i64 0 }, 0
+  %t246 = load %S.ast.Type, ptr %a234
+  store %S.ast.Type %t246, ptr %a247
+  call void @finch.copy.S_ast_Type(ptr %a248, ptr %a247)
+  %t249 = load %S.ast.Type, ptr %a248
+  %t250 = insertvalue %S.gen.Var %t245, %S.ast.Type %t249, 1
+  %t251 = insertvalue %S.gen.Var %t250, { ptr, i64, i64 } { ptr @.str.2988, i64 5, i64 0 }, 2
+  %t252 = insertvalue %S.gen.Var %t251, i1 false, 3
+  %t253 = load i64, ptr %t244
+  %t254 = add i64 %t253, 1
+  call void @finch_arr_reserve(ptr %t243, i64 %t254, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
+  %t255 = load ptr, ptr %t243
+  %t256 = getelementptr inbounds %S.gen.Var, ptr %t255, i64 %t253
+  store %S.gen.Var %t252, ptr %t256
+  store i64 %t254, ptr %t244
+  %t257 = load ptr, ptr %a1
+  %t258 = icmp eq ptr %t257, null
+  br i1 %t258, label %panic4744, label %ok4745
+panic4744:
+  call void @finch_panic(ptr @.str.2989, i64 2128, ptr @.str.2990)
   unreachable
-ok4523:
-  %t254 = getelementptr inbounds %S.gen.Gen, ptr %t252, i32 0, i32 12
-  %t255 = getelementptr inbounds %S.gen.FnSig, ptr %t254, i32 0, i32 13
-  %t256 = load i64, ptr %a249
-  %t257 = load { ptr, i64, i64 }, ptr %t255
-  %t258 = extractvalue { ptr, i64, i64 } %t257, 1
-  %t259 = icmp uge i64 %t256, %t258
-  br i1 %t259, label %range4524, label %inrange4525
-range4524:
-  call void @finch_panic_index(ptr @.str.2906, i64 1979, i64 %t256, i64 %t258)
+ok4745:
+  %t259 = getelementptr inbounds %S.gen.Gen, ptr %t257, i32 0, i32 29
+  %t260 = load i1, ptr %t259
+  br i1 %t260, label %then4746, label %endif4748
+then4746:
+  %t261 = load ptr, ptr %a1
+  %t262 = load %S.ast.Node, ptr %a119
+  %t263 = load %S.ast.Type, ptr %a234
+  call void @finch.gen.dbgVariable(ptr %t261, %S.ast.Node %t262, { ptr, i64, i64 } { ptr @.str.2991, i64 4, i64 0 }, %S.ast.Type %t263, { ptr, i64, i64 } { ptr @.str.2992, i64 5, i64 0 })
+  br label %endif4748
+endif4748:
+  call void @finch.drop.S_ast_Type(ptr %a234)
+  call void @finch_str_drop(ptr %a203)
+  br label %endif4730
+endif4730:
+  %t264 = load ptr, ptr %a1
+  %t265 = icmp eq ptr %t264, null
+  br i1 %t265, label %panic4749, label %ok4750
+panic4749:
+  call void @finch_panic(ptr @.str.2993, i64 2133, ptr @.str.2994)
   unreachable
-inrange4525:
-  %t260 = extractvalue { ptr, i64, i64 } %t257, 0
-  %t261 = getelementptr inbounds %S.ast.Type, ptr %t260, i64 %t256
-  %t262 = load %S.ast.Type, ptr %t261
-  store %S.ast.Type %t262, ptr %a263
-  call void @finch.copy.S_ast_Type(ptr %a264, ptr %a263)
-  %t265 = load %S.ast.Type, ptr %a264
-  store %S.ast.Type %t265, ptr %a266
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %a171, i32 0, i32 1
-  %t268 = load ptr, ptr %a1
-  %t269 = load %S.ast.Type, ptr %a266
-  %t270 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t268, %S.ast.Type %t269)
-  store { ptr, i64, i64 } %t270, ptr %a272
-  store { ptr, i64, i64 } { ptr @.str.2907, i64 3, i64 0 }, ptr %a273
-  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
-  %t274 = load { ptr, i64, i64 }, ptr %a271
-  %t275 = load i64, ptr %a249
-  call void @finch_str_from_int(ptr %a276, i64 %t275)
-  %t277 = load { ptr, i64, i64 }, ptr %a276
-  store { ptr, i64, i64 } %t274, ptr %a279
-  store { ptr, i64, i64 } %t277, ptr %a280
-  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
-  %t281 = load { ptr, i64, i64 }, ptr %a278
-  %t282 = load i64, ptr %t267
-  %t283 = add i64 %t282, 1
-  call void @finch_arr_reserve(ptr %a171, i64 %t283, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t284 = load ptr, ptr %a171
-  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 %t282
-  store { ptr, i64, i64 } %t281, ptr %t285
-  store i64 %t283, ptr %t267
-  %t286 = load i64, ptr %a249
-  call void @finch_str_from_int(ptr %a287, i64 %t286)
-  %t288 = load { ptr, i64, i64 }, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.2908, i64 2, i64 0 }, ptr %a290
-  store { ptr, i64, i64 } %t288, ptr %a291
-  call void @finch_str_concat(ptr %a289, ptr %a290, ptr %a291)
-  %t292 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t292, ptr %a293
-  %t294 = load ptr, ptr %a1
-  %t295 = load %S.ast.Type, ptr %a266
-  %t296 = call i1 @finch.gen.owning(ptr %t294, %S.ast.Type %t295)
-  br label %logic.from4526
-logic.from4526:
-  br i1 %t296, label %logic.rhs4527, label %logic.end4528
-logic.rhs4527:
-  %t297 = load ptr, ptr %a1
-  %t298 = icmp eq ptr %t297, null
-  br i1 %t298, label %panic4529, label %ok4530
-panic4529:
-  call void @finch_panic(ptr @.str.2909, i64 1982, ptr @.str.2910)
+ok4750:
+  %t266 = getelementptr inbounds %S.gen.Gen, ptr %t264, i32 0, i32 13
+  %t267 = getelementptr inbounds %S.gen.FnSig, ptr %t266, i32 0, i32 13
+  %t268 = getelementptr inbounds { ptr, i64, i64 }, ptr %t267, i32 0, i32 1
+  %t269 = load i64, ptr %t268
+  store i64 0, ptr %a270
+  br label %for.cond4751
+for.cond4751:
+  %t271 = load i64, ptr %a270
+  %t272 = icmp slt i64 %t271, %t269
+  br i1 %t272, label %for.body4752, label %for.end4754
+for.body4752:
+  %t273 = load ptr, ptr %a1
+  %t274 = icmp eq ptr %t273, null
+  br i1 %t274, label %panic4755, label %ok4756
+panic4755:
+  call void @finch_panic(ptr @.str.2995, i64 2134, ptr @.str.2996)
   unreachable
-ok4530:
-  %t299 = getelementptr inbounds %S.gen.Gen, ptr %t297, i32 0, i32 12
-  %t300 = getelementptr inbounds %S.gen.FnSig, ptr %t299, i32 0, i32 15
-  %t301 = load i64, ptr %a249
-  %t302 = load { ptr, i64, i64 }, ptr %t300
-  %t303 = extractvalue { ptr, i64, i64 } %t302, 1
-  %t304 = icmp uge i64 %t301, %t303
-  br i1 %t304, label %range4531, label %inrange4532
-range4531:
-  call void @finch_panic_index(ptr @.str.2911, i64 1982, i64 %t301, i64 %t303)
+ok4756:
+  %t275 = getelementptr inbounds %S.gen.Gen, ptr %t273, i32 0, i32 13
+  %t276 = getelementptr inbounds %S.gen.FnSig, ptr %t275, i32 0, i32 13
+  %t277 = load i64, ptr %a270
+  %t278 = load { ptr, i64, i64 }, ptr %t276
+  %t279 = extractvalue { ptr, i64, i64 } %t278, 1
+  %t280 = icmp uge i64 %t277, %t279
+  br i1 %t280, label %range4757, label %inrange4758
+range4757:
+  call void @finch_panic_index(ptr @.str.2997, i64 2134, i64 %t277, i64 %t279)
   unreachable
-inrange4532:
-  %t305 = extractvalue { ptr, i64, i64 } %t302, 0
-  %t306 = getelementptr inbounds i1, ptr %t305, i64 %t301
-  %t307 = load i1, ptr %t306
-  %t308 = xor i1 %t307, true
-  br label %logic.rend4533
-logic.rend4533:
-  br label %logic.end4528
-logic.end4528:
-  %t309 = phi i1 [ false, %logic.from4526 ], [ %t308, %logic.rend4533 ]
-  br i1 %t309, label %then4534, label %endif4536
-then4534:
-  %t310 = load ptr, ptr %a1
-  %t311 = load { ptr, i64, i64 }, ptr %a293
-  %t312 = load %S.ast.Type, ptr %a266
-  %t313 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t310, { ptr, i64, i64 } %t311, %S.ast.Type %t312)
-  store { ptr, i64, i64 } %t313, ptr %a293
-  br label %endif4536
-endif4536:
-  %t314 = load i64, ptr %a249
-  %t315 = add i64 %t314, 1
-  %t316 = load ptr, ptr %a1
-  %t317 = icmp eq ptr %t316, null
-  br i1 %t317, label %panic4537, label %ok4538
-panic4537:
-  call void @finch_panic(ptr @.str.2912, i64 1985, ptr @.str.2913)
-  unreachable
-ok4538:
-  %t318 = getelementptr inbounds %S.gen.Gen, ptr %t316, i32 0, i32 37
-  store i64 %t315, ptr %t318
+inrange4758:
+  %t281 = extractvalue { ptr, i64, i64 } %t278, 0
+  %t282 = getelementptr inbounds %S.ast.Type, ptr %t281, i64 %t277
+  %t283 = load %S.ast.Type, ptr %t282
+  store %S.ast.Type %t283, ptr %a284
+  call void @finch.copy.S_ast_Type(ptr %a285, ptr %a284)
+  %t286 = load %S.ast.Type, ptr %a285
+  store %S.ast.Type %t286, ptr %a287
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
+  %t289 = load ptr, ptr %a1
+  %t290 = load %S.ast.Type, ptr %a287
+  %t291 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t289, %S.ast.Type %t290)
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.2998, i64 3, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = load i64, ptr %a270
+  call void @finch_str_from_int(ptr %a298, i64 %t297)
+  %t299 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t296, ptr %a301
+  store { ptr, i64, i64 } %t299, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t296, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  store { ptr, i64, i64 } %t299, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load { ptr, i64, i64 }, ptr %a300
+  %t306 = load i64, ptr %t288
+  %t307 = add i64 %t306, 1
+  call void @finch_arr_reserve(ptr %a190, i64 %t307, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t308 = load ptr, ptr %a190
+  %t309 = getelementptr inbounds { ptr, i64, i64 }, ptr %t308, i64 %t306
+  store { ptr, i64, i64 } %t305, ptr %t309
+  store i64 %t307, ptr %t288
+  %t310 = load i64, ptr %a270
+  call void @finch_str_from_int(ptr %a311, i64 %t310)
+  %t312 = load { ptr, i64, i64 }, ptr %a311
+  store { ptr, i64, i64 } { ptr @.str.2999, i64 2, i64 0 }, ptr %a314
+  store { ptr, i64, i64 } %t312, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  store { ptr, i64, i64 } %t312, ptr %a316
+  call void @finch_str_drop(ptr %a316)
+  %t317 = load { ptr, i64, i64 }, ptr %a313
+  store { ptr, i64, i64 } %t317, ptr %a318
   %t319 = load ptr, ptr %a1
-  %t320 = icmp eq ptr %t319, null
-  br i1 %t320, label %panic4539, label %ok4540
-panic4539:
-  call void @finch_panic(ptr @.str.2914, i64 1986, ptr @.str.2915)
+  %t320 = load %S.ast.Type, ptr %a287
+  %t321 = call i1 @finch.gen.owning(ptr %t319, %S.ast.Type %t320)
+  br label %logic.from4759
+logic.from4759:
+  br i1 %t321, label %logic.rhs4760, label %logic.end4761
+logic.rhs4760:
+  %t322 = load ptr, ptr %a1
+  %t323 = icmp eq ptr %t322, null
+  br i1 %t323, label %panic4762, label %ok4763
+panic4762:
+  call void @finch_panic(ptr @.str.3000, i64 2137, ptr @.str.3001)
   unreachable
-ok4540:
-  %t321 = getelementptr inbounds %S.gen.Gen, ptr %t319, i32 0, i32 12
-  %t322 = getelementptr inbounds %S.gen.FnSig, ptr %t321, i32 0, i32 2
-  %t323 = getelementptr inbounds { ptr, i64, i64 }, ptr %t322, i32 0, i32 1
-  %t324 = load i64, ptr %t323
-  %t325 = icmp sgt i64 %t324, 0
-  br i1 %t325, label %then4541, label %endif4543
-then4541:
-  %t326 = load i64, ptr %a249
-  %t327 = add i64 %t326, 2
-  %t328 = load ptr, ptr %a1
-  %t329 = icmp eq ptr %t328, null
-  br i1 %t329, label %panic4544, label %ok4545
-panic4544:
-  call void @finch_panic(ptr @.str.2916, i64 1987, ptr @.str.2917)
+ok4763:
+  %t324 = getelementptr inbounds %S.gen.Gen, ptr %t322, i32 0, i32 13
+  %t325 = getelementptr inbounds %S.gen.FnSig, ptr %t324, i32 0, i32 15
+  %t326 = load i64, ptr %a270
+  %t327 = load { ptr, i64, i64 }, ptr %t325
+  %t328 = extractvalue { ptr, i64, i64 } %t327, 1
+  %t329 = icmp uge i64 %t326, %t328
+  br i1 %t329, label %range4764, label %inrange4765
+range4764:
+  call void @finch_panic_index(ptr @.str.3002, i64 2137, i64 %t326, i64 %t328)
   unreachable
-ok4545:
-  %t330 = getelementptr inbounds %S.gen.Gen, ptr %t328, i32 0, i32 37
-  store i64 %t327, ptr %t330
-  br label %endif4543
-endif4543:
-  %t331 = load ptr, ptr %a1
-  %t332 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 9
-  %t333 = load i64, ptr %a249
-  %t334 = load { ptr, i64, i64 }, ptr %t332
-  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
-  %t336 = icmp uge i64 %t333, %t335
-  br i1 %t336, label %range4546, label %inrange4547
-range4546:
-  call void @finch_panic_index(ptr @.str.2918, i64 1989, i64 %t333, i64 %t335)
+inrange4765:
+  %t330 = extractvalue { ptr, i64, i64 } %t327, 0
+  %t331 = getelementptr inbounds i1, ptr %t330, i64 %t326
+  %t332 = load i1, ptr %t331
+  %t333 = xor i1 %t332, true
+  br label %logic.rend4766
+logic.rend4766:
+  br label %logic.end4761
+logic.end4761:
+  %t334 = phi i1 [ false, %logic.from4759 ], [ %t333, %logic.rend4766 ]
+  br i1 %t334, label %then4767, label %endif4769
+then4767:
+  %t335 = load ptr, ptr %a1
+  %t336 = load { ptr, i64, i64 }, ptr %a318
+  %t337 = load %S.ast.Type, ptr %a287
+  %t338 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t335, { ptr, i64, i64 } %t336, %S.ast.Type %t337)
+  %t339 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t338, ptr %a318
+  store { ptr, i64, i64 } %t339, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  br label %endif4769
+endif4769:
+  %t341 = load i64, ptr %a270
+  %t342 = add i64 %t341, 1
+  %t343 = load ptr, ptr %a1
+  %t344 = icmp eq ptr %t343, null
+  br i1 %t344, label %panic4770, label %ok4771
+panic4770:
+  call void @finch_panic(ptr @.str.3003, i64 2140, ptr @.str.3004)
   unreachable
-inrange4547:
-  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
-  %t338 = getelementptr inbounds %S.ast.Node, ptr %t337, i64 %t333
-  %t339 = load %S.ast.Node, ptr %t338
-  %t340 = load ptr, ptr %a1
-  %t341 = icmp eq ptr %t340, null
-  br i1 %t341, label %panic4548, label %ok4549
-panic4548:
-  call void @finch_panic(ptr @.str.2919, i64 1989, ptr @.str.2920)
+ok4771:
+  %t345 = getelementptr inbounds %S.gen.Gen, ptr %t343, i32 0, i32 38
+  store i64 %t342, ptr %t345
+  %t346 = load ptr, ptr %a1
+  %t347 = icmp eq ptr %t346, null
+  br i1 %t347, label %panic4772, label %ok4773
+panic4772:
+  call void @finch_panic(ptr @.str.3005, i64 2141, ptr @.str.3006)
   unreachable
-ok4549:
-  %t342 = getelementptr inbounds %S.gen.Gen, ptr %t340, i32 0, i32 12
-  %t343 = getelementptr inbounds %S.gen.FnSig, ptr %t342, i32 0, i32 14
-  %t344 = load i64, ptr %a249
-  %t345 = load { ptr, i64, i64 }, ptr %t343
-  %t346 = extractvalue { ptr, i64, i64 } %t345, 1
-  %t347 = icmp uge i64 %t344, %t346
-  br i1 %t347, label %range4550, label %inrange4551
-range4550:
-  call void @finch_panic_index(ptr @.str.2921, i64 1989, i64 %t344, i64 %t346)
+ok4773:
+  %t348 = getelementptr inbounds %S.gen.Gen, ptr %t346, i32 0, i32 13
+  %t349 = getelementptr inbounds %S.gen.FnSig, ptr %t348, i32 0, i32 2
+  %t350 = getelementptr inbounds { ptr, i64, i64 }, ptr %t349, i32 0, i32 1
+  %t351 = load i64, ptr %t350
+  %t352 = icmp sgt i64 %t351, 0
+  br i1 %t352, label %then4774, label %endif4776
+then4774:
+  %t353 = load i64, ptr %a270
+  %t354 = add i64 %t353, 2
+  %t355 = load ptr, ptr %a1
+  %t356 = icmp eq ptr %t355, null
+  br i1 %t356, label %panic4777, label %ok4778
+panic4777:
+  call void @finch_panic(ptr @.str.3007, i64 2142, ptr @.str.3008)
   unreachable
-inrange4551:
-  %t348 = extractvalue { ptr, i64, i64 } %t345, 0
-  %t349 = getelementptr inbounds { ptr, i64, i64 }, ptr %t348, i64 %t344
-  %t350 = load { ptr, i64, i64 }, ptr %t349
-  %t351 = load %S.ast.Type, ptr %a266
-  %t352 = load { ptr, i64, i64 }, ptr %a293
-  %t353 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t331, %S.ast.Node %t339, { ptr, i64, i64 } %t350, %S.ast.Type %t351, { ptr, i64, i64 } %t352, i1 false)
-  %t354 = load ptr, ptr %a1
-  %t355 = icmp eq ptr %t354, null
-  br i1 %t355, label %panic4552, label %ok4553
-panic4552:
-  call void @finch_panic(ptr @.str.2922, i64 1990, ptr @.str.2923)
+ok4778:
+  %t357 = getelementptr inbounds %S.gen.Gen, ptr %t355, i32 0, i32 38
+  store i64 %t354, ptr %t357
+  br label %endif4776
+endif4776:
+  %t358 = load ptr, ptr %a1
+  %t359 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 9
+  %t360 = load i64, ptr %a270
+  %t361 = load { ptr, i64, i64 }, ptr %t359
+  %t362 = extractvalue { ptr, i64, i64 } %t361, 1
+  %t363 = icmp uge i64 %t360, %t362
+  br i1 %t363, label %range4779, label %inrange4780
+range4779:
+  call void @finch_panic_index(ptr @.str.3009, i64 2144, i64 %t360, i64 %t362)
   unreachable
-ok4553:
-  %t356 = getelementptr inbounds %S.gen.Gen, ptr %t354, i32 0, i32 37
-  store i64 0, ptr %t356
-  br label %for.step4520
-for.step4520:
-  %t357 = load i64, ptr %a249
-  %t358 = add i64 %t357, 1
-  store i64 %t358, ptr %a249
-  br label %for.cond4518
-for.end4521:
-  %t359 = load ptr, ptr %a1
-  %t360 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 9
-  %t361 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 9
-  %t362 = getelementptr inbounds { ptr, i64, i64 }, ptr %t361, i32 0, i32 1
-  %t363 = load i64, ptr %t362
-  %t364 = sub i64 %t363, 1
-  %t365 = load { ptr, i64, i64 }, ptr %t360
-  %t366 = extractvalue { ptr, i64, i64 } %t365, 1
-  %t367 = icmp uge i64 %t364, %t366
-  br i1 %t367, label %range4554, label %inrange4555
-range4554:
-  call void @finch_panic_index(ptr @.str.2924, i64 1992, i64 %t364, i64 %t366)
+inrange4780:
+  %t364 = extractvalue { ptr, i64, i64 } %t361, 0
+  %t365 = getelementptr inbounds %S.ast.Node, ptr %t364, i64 %t360
+  %t366 = load %S.ast.Node, ptr %t365
+  %t367 = load ptr, ptr %a1
+  %t368 = icmp eq ptr %t367, null
+  br i1 %t368, label %panic4781, label %ok4782
+panic4781:
+  call void @finch_panic(ptr @.str.3010, i64 2144, ptr @.str.3011)
   unreachable
-inrange4555:
-  %t368 = extractvalue { ptr, i64, i64 } %t365, 0
-  %t369 = getelementptr inbounds %S.ast.Node, ptr %t368, i64 %t364
-  %t370 = load %S.ast.Node, ptr %t369
-  call void @finch.gen.block(ptr %t359, %S.ast.Node %t370, i1 false)
-  %t371 = load ptr, ptr %a1
-  %t372 = icmp eq ptr %t371, null
-  br i1 %t372, label %panic4556, label %ok4557
-panic4556:
-  call void @finch_panic(ptr @.str.2925, i64 1993, ptr @.str.2926)
+ok4782:
+  %t369 = getelementptr inbounds %S.gen.Gen, ptr %t367, i32 0, i32 13
+  %t370 = getelementptr inbounds %S.gen.FnSig, ptr %t369, i32 0, i32 14
+  %t371 = load i64, ptr %a270
+  %t372 = load { ptr, i64, i64 }, ptr %t370
+  %t373 = extractvalue { ptr, i64, i64 } %t372, 1
+  %t374 = icmp uge i64 %t371, %t373
+  br i1 %t374, label %range4783, label %inrange4784
+range4783:
+  call void @finch_panic_index(ptr @.str.3012, i64 2144, i64 %t371, i64 %t373)
   unreachable
-ok4557:
-  %t373 = getelementptr inbounds %S.gen.Gen, ptr %t371, i32 0, i32 9
-  %t374 = load i1, ptr %t373
-  %t375 = xor i1 %t374, true
-  br i1 %t375, label %then4558, label %endif4560
-then4558:
-  %t376 = load ptr, ptr %a1
-  %t377 = icmp eq ptr %t376, null
-  br i1 %t377, label %panic4561, label %ok4562
-panic4561:
-  call void @finch_panic(ptr @.str.2927, i64 1994, ptr @.str.2928)
+inrange4784:
+  %t375 = extractvalue { ptr, i64, i64 } %t372, 0
+  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t371
+  %t377 = load { ptr, i64, i64 }, ptr %t376
+  %t378 = load %S.ast.Type, ptr %a287
+  %t379 = load { ptr, i64, i64 }, ptr %a318
+  %t380 = load ptr, ptr %a1
+  %t381 = load %S.ast.Type, ptr %a287
+  %t382 = call i1 @finch.gen.owning(ptr %t380, %S.ast.Type %t381)
+  br label %logic.from4785
+logic.from4785:
+  br i1 %t382, label %logic.rhs4786, label %logic.end4787
+logic.rhs4786:
+  %t383 = load ptr, ptr %a1
+  %t384 = icmp eq ptr %t383, null
+  br i1 %t384, label %panic4788, label %ok4789
+panic4788:
+  call void @finch_panic(ptr @.str.3013, i64 2144, ptr @.str.3014)
   unreachable
-ok4562:
-  %t378 = getelementptr inbounds %S.gen.Gen, ptr %t376, i32 0, i32 12
-  %t379 = getelementptr inbounds %S.gen.FnSig, ptr %t378, i32 0, i32 12
-  %t380 = getelementptr inbounds %S.ast.Type, ptr %t379, i32 0, i32 0
-  %t381 = load { ptr, i64, i64 }, ptr %t380
-  store { ptr, i64, i64 } %t381, ptr %a382
-  store { ptr, i64, i64 } { ptr @.str.2929, i64 4, i64 0 }, ptr %a383
-  %t384 = call i32 @finch_str_eq(ptr %a382, ptr %a383)
-  %t385 = icmp eq i32 %t384, 0
-  br i1 %t385, label %then4563, label %endif4565
-then4563:
-  %t386 = load ptr, ptr %a1
-  %t387 = load %S.ast.Node, ptr %a106
-  %t388 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 1
-  %t389 = load { ptr, i64, i64 }, ptr %t388
-  store { ptr, i64, i64 } { ptr @.str.2930, i64 10, i64 0 }, ptr %a391
-  store { ptr, i64, i64 } %t389, ptr %a392
-  call void @finch_str_concat(ptr %a390, ptr %a391, ptr %a392)
-  %t393 = load { ptr, i64, i64 }, ptr %a390
-  store { ptr, i64, i64 } %t393, ptr %a395
-  store { ptr, i64, i64 } { ptr @.str.2931, i64 38, i64 0 }, ptr %a396
-  call void @finch_str_concat(ptr %a394, ptr %a395, ptr %a396)
-  %t397 = load { ptr, i64, i64 }, ptr %a394
+ok4789:
+  %t385 = getelementptr inbounds %S.gen.Gen, ptr %t383, i32 0, i32 13
+  %t386 = getelementptr inbounds %S.gen.FnSig, ptr %t385, i32 0, i32 15
+  %t387 = load i64, ptr %a270
+  %t388 = load { ptr, i64, i64 }, ptr %t386
+  %t389 = extractvalue { ptr, i64, i64 } %t388, 1
+  %t390 = icmp uge i64 %t387, %t389
+  br i1 %t390, label %range4790, label %inrange4791
+range4790:
+  call void @finch_panic_index(ptr @.str.3015, i64 2144, i64 %t387, i64 %t389)
+  unreachable
+inrange4791:
+  %t391 = extractvalue { ptr, i64, i64 } %t388, 0
+  %t392 = getelementptr inbounds i1, ptr %t391, i64 %t387
+  %t393 = load i1, ptr %t392
+  %t394 = xor i1 %t393, true
+  br label %logic.rend4792
+logic.rend4792:
+  br label %logic.end4787
+logic.end4787:
+  %t395 = phi i1 [ false, %logic.from4785 ], [ %t394, %logic.rend4792 ]
+  %t396 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t358, %S.ast.Node %t366, { ptr, i64, i64 } %t377, %S.ast.Type %t378, { ptr, i64, i64 } %t379, i1 false, i1 %t395)
+  store { ptr, i64, i64 } %t396, ptr %a397
+  call void @finch_str_drop(ptr %a397)
   %t398 = load ptr, ptr %a1
   %t399 = icmp eq ptr %t398, null
-  br i1 %t399, label %panic4566, label %ok4567
-panic4566:
-  call void @finch_panic(ptr @.str.2932, i64 1995, ptr @.str.2933)
+  br i1 %t399, label %panic4793, label %ok4794
+panic4793:
+  call void @finch_panic(ptr @.str.3016, i64 2145, ptr @.str.3017)
   unreachable
-ok4567:
-  %t400 = getelementptr inbounds %S.gen.Gen, ptr %t398, i32 0, i32 12
-  %t401 = getelementptr inbounds %S.gen.FnSig, ptr %t400, i32 0, i32 12
-  %t402 = load %S.ast.Type, ptr %t401
-  %t403 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t402)
-  store { ptr, i64, i64 } %t397, ptr %a405
-  store { ptr, i64, i64 } %t403, ptr %a406
-  call void @finch_str_concat(ptr %a404, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  call void @finch.gen.fail(ptr %t386, %S.ast.Node %t387, { ptr, i64, i64 } %t407)
-  br label %endif4565
-endif4565:
-  %t408 = load ptr, ptr %a1
-  call void @finch.gen.runDefers(ptr %t408, i64 0)
-  %t409 = load ptr, ptr %a1
-  %t410 = icmp eq ptr %t409, null
-  br i1 %t410, label %panic4568, label %ok4569
-panic4568:
-  call void @finch_panic(ptr @.str.2934, i64 1998, ptr @.str.2935)
+ok4794:
+  %t400 = getelementptr inbounds %S.gen.Gen, ptr %t398, i32 0, i32 38
+  store i64 0, ptr %t400
+  call void @finch_str_drop(ptr %a318)
+  call void @finch.drop.S_ast_Type(ptr %a287)
+  br label %for.step4753
+for.step4753:
+  %t401 = load i64, ptr %a270
+  %t402 = add i64 %t401, 1
+  store i64 %t402, ptr %a270
+  br label %for.cond4751
+for.end4754:
+  %t403 = load ptr, ptr %a1
+  %t404 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 9
+  %t405 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 9
+  %t406 = getelementptr inbounds { ptr, i64, i64 }, ptr %t405, i32 0, i32 1
+  %t407 = load i64, ptr %t406
+  %t408 = sub i64 %t407, 1
+  %t409 = load { ptr, i64, i64 }, ptr %t404
+  %t410 = extractvalue { ptr, i64, i64 } %t409, 1
+  %t411 = icmp uge i64 %t408, %t410
+  br i1 %t411, label %range4795, label %inrange4796
+range4795:
+  call void @finch_panic_index(ptr @.str.3018, i64 2147, i64 %t408, i64 %t410)
   unreachable
-ok4569:
-  %t411 = getelementptr inbounds %S.gen.Gen, ptr %t409, i32 0, i32 12
-  %t412 = getelementptr inbounds %S.gen.FnSig, ptr %t411, i32 0, i32 9
-  %t413 = load i1, ptr %t412
-  br i1 %t413, label %then4570, label %else4571
-then4570:
-  %t414 = load ptr, ptr %a1
+inrange4796:
+  %t412 = extractvalue { ptr, i64, i64 } %t409, 0
+  %t413 = getelementptr inbounds %S.ast.Node, ptr %t412, i64 %t408
+  %t414 = load %S.ast.Node, ptr %t413
+  call void @finch.gen.block(ptr %t403, %S.ast.Node %t414, i1 false)
   %t415 = load ptr, ptr %a1
-  %t416 = load ptr, ptr %a1
-  %t417 = icmp eq ptr %t416, null
-  br i1 %t417, label %panic4573, label %ok4574
-panic4573:
-  call void @finch_panic(ptr @.str.2937, i64 1999, ptr @.str.2938)
+  %t416 = icmp eq ptr %t415, null
+  br i1 %t416, label %panic4797, label %ok4798
+panic4797:
+  call void @finch_panic(ptr @.str.3019, i64 2148, ptr @.str.3020)
   unreachable
-ok4574:
-  %t418 = getelementptr inbounds %S.gen.Gen, ptr %t416, i32 0, i32 12
-  %t419 = load %S.gen.FnSig, ptr %t418
-  %t420 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t415, %S.gen.FnSig %t419)
-  store { ptr, i64, i64 } { ptr @.str.2936, i64 4, i64 0 }, ptr %a422
-  store { ptr, i64, i64 } %t420, ptr %a423
-  call void @finch_str_concat(ptr %a421, ptr %a422, ptr %a423)
-  %t424 = load { ptr, i64, i64 }, ptr %a421
-  store { ptr, i64, i64 } %t424, ptr %a426
-  store { ptr, i64, i64 } { ptr @.str.2939, i64 53, i64 0 }, ptr %a427
-  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
-  %t428 = load { ptr, i64, i64 }, ptr %a425
-  call void @finch.gen.emit(ptr %t414, { ptr, i64, i64 } %t428)
-  br label %endif4572
-else4571:
-  %t429 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t429, { ptr, i64, i64 } { ptr @.str.2940, i64 8, i64 0 })
-  br label %endif4572
-endif4572:
-  br label %endif4560
-endif4560:
-  store { ptr, i64, i64 } { ptr @.str.2941, i64 0, i64 0 }, ptr %a430
-  %t431 = load i64, ptr %a134
-  %t432 = icmp sge i64 %t431, 0
-  br i1 %t432, label %then4575, label %endif4577
-then4575:
-  %t433 = load i64, ptr %a134
-  call void @finch_str_from_int(ptr %a434, i64 %t433)
-  %t435 = load { ptr, i64, i64 }, ptr %a434
-  store { ptr, i64, i64 } { ptr @.str.2942, i64 7, i64 0 }, ptr %a437
-  store { ptr, i64, i64 } %t435, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  store { ptr, i64, i64 } %t439, ptr %a430
-  br label %endif4577
-endif4577:
-  %t440 = load ptr, ptr %a1
-  %t441 = icmp eq ptr %t440, null
-  br i1 %t441, label %panic4578, label %ok4579
-panic4578:
-  call void @finch_panic(ptr @.str.2943, i64 2008, ptr @.str.2944)
+ok4798:
+  %t417 = getelementptr inbounds %S.gen.Gen, ptr %t415, i32 0, i32 9
+  %t418 = load i1, ptr %t417
+  %t419 = xor i1 %t418, true
+  br i1 %t419, label %then4799, label %endif4801
+then4799:
+  %t420 = load ptr, ptr %a1
+  %t421 = icmp eq ptr %t420, null
+  br i1 %t421, label %panic4802, label %ok4803
+panic4802:
+  call void @finch_panic(ptr @.str.3021, i64 2149, ptr @.str.3022)
   unreachable
-ok4579:
-  %t442 = getelementptr inbounds %S.gen.Gen, ptr %t440, i32 0, i32 34
-  store i64 -1, ptr %t442
+ok4803:
+  %t422 = getelementptr inbounds %S.gen.Gen, ptr %t420, i32 0, i32 13
+  %t423 = getelementptr inbounds %S.gen.FnSig, ptr %t422, i32 0, i32 12
+  %t424 = getelementptr inbounds %S.ast.Type, ptr %t423, i32 0, i32 0
+  %t425 = load { ptr, i64, i64 }, ptr %t424
+  store { ptr, i64, i64 } %t425, ptr %a426
+  store { ptr, i64, i64 } { ptr @.str.3023, i64 4, i64 0 }, ptr %a427
+  %t428 = call i32 @finch_str_eq(ptr %a426, ptr %a427)
+  %t429 = icmp eq i32 %t428, 0
+  br i1 %t429, label %then4804, label %endif4806
+then4804:
+  %t430 = load ptr, ptr %a1
+  %t431 = load %S.ast.Node, ptr %a119
+  %t432 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 1
+  %t433 = load { ptr, i64, i64 }, ptr %t432
+  store { ptr, i64, i64 } { ptr @.str.3024, i64 10, i64 0 }, ptr %a435
+  store { ptr, i64, i64 } %t433, ptr %a436
+  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
+  %t437 = load { ptr, i64, i64 }, ptr %a434
+  store { ptr, i64, i64 } %t437, ptr %a439
+  store { ptr, i64, i64 } { ptr @.str.3025, i64 38, i64 0 }, ptr %a440
+  call void @finch_str_concat(ptr %a438, ptr %a439, ptr %a440)
+  store { ptr, i64, i64 } %t437, ptr %a441
+  call void @finch_str_drop(ptr %a441)
+  %t442 = load { ptr, i64, i64 }, ptr %a438
   %t443 = load ptr, ptr %a1
   %t444 = icmp eq ptr %t443, null
-  br i1 %t444, label %panic4580, label %ok4581
-panic4580:
-  call void @finch_panic(ptr @.str.2945, i64 2009, ptr @.str.2946)
+  br i1 %t444, label %panic4807, label %ok4808
+panic4807:
+  call void @finch_panic(ptr @.str.3026, i64 2150, ptr @.str.3027)
   unreachable
-ok4581:
-  %t445 = getelementptr inbounds %S.gen.Gen, ptr %t443, i32 0, i32 3
-  %t446 = getelementptr inbounds { ptr, i64, i64 }, ptr %t445, i32 0, i32 1
-  %t447 = load ptr, ptr %a1
-  %t448 = load ptr, ptr %a1
-  %t449 = icmp eq ptr %t448, null
-  br i1 %t449, label %panic4582, label %ok4583
-panic4582:
-  call void @finch_panic(ptr @.str.2948, i64 2009, ptr @.str.2949)
+ok4808:
+  %t445 = getelementptr inbounds %S.gen.Gen, ptr %t443, i32 0, i32 13
+  %t446 = getelementptr inbounds %S.gen.FnSig, ptr %t445, i32 0, i32 12
+  %t447 = load %S.ast.Type, ptr %t446
+  %t448 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t447)
+  store { ptr, i64, i64 } %t442, ptr %a450
+  store { ptr, i64, i64 } %t448, ptr %a451
+  call void @finch_str_concat(ptr %a449, ptr %a450, ptr %a451)
+  store { ptr, i64, i64 } %t442, ptr %a452
+  call void @finch_str_drop(ptr %a452)
+  store { ptr, i64, i64 } %t448, ptr %a453
+  call void @finch_str_drop(ptr %a453)
+  %t454 = load { ptr, i64, i64 }, ptr %a449
+  call void @finch.gen.fail(ptr %t430, %S.ast.Node %t431, { ptr, i64, i64 } %t454)
+  store { ptr, i64, i64 } %t454, ptr %a455
+  call void @finch_str_drop(ptr %a455)
+  br label %endif4806
+endif4806:
+  %t456 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t456, i64 0)
+  %t457 = load ptr, ptr %a1
+  %t458 = icmp eq ptr %t457, null
+  br i1 %t458, label %panic4809, label %ok4810
+panic4809:
+  call void @finch_panic(ptr @.str.3028, i64 2153, ptr @.str.3029)
   unreachable
-ok4583:
-  %t450 = getelementptr inbounds %S.gen.Gen, ptr %t448, i32 0, i32 12
-  %t451 = load %S.gen.FnSig, ptr %t450
-  %t452 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t447, %S.gen.FnSig %t451)
-  store { ptr, i64, i64 } { ptr @.str.2947, i64 16, i64 0 }, ptr %a454
-  store { ptr, i64, i64 } %t452, ptr %a455
-  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
-  %t456 = load { ptr, i64, i64 }, ptr %a453
-  store { ptr, i64, i64 } %t456, ptr %a458
-  store { ptr, i64, i64 } { ptr @.str.2950, i64 1, i64 0 }, ptr %a459
-  call void @finch_str_concat(ptr %a457, ptr %a458, ptr %a459)
-  %t460 = load { ptr, i64, i64 }, ptr %a457
-  %t461 = load ptr, ptr %a1
-  %t462 = icmp eq ptr %t461, null
-  br i1 %t462, label %panic4584, label %ok4585
-panic4584:
-  call void @finch_panic(ptr @.str.2951, i64 2009, ptr @.str.2952)
+ok4810:
+  %t459 = getelementptr inbounds %S.gen.Gen, ptr %t457, i32 0, i32 13
+  %t460 = getelementptr inbounds %S.gen.FnSig, ptr %t459, i32 0, i32 9
+  %t461 = load i1, ptr %t460
+  br i1 %t461, label %then4811, label %else4812
+then4811:
+  %t462 = load ptr, ptr %a1
+  %t463 = load ptr, ptr %a1
+  %t464 = load ptr, ptr %a1
+  %t465 = icmp eq ptr %t464, null
+  br i1 %t465, label %panic4814, label %ok4815
+panic4814:
+  call void @finch_panic(ptr @.str.3031, i64 2154, ptr @.str.3032)
   unreachable
-ok4585:
-  %t463 = getelementptr inbounds %S.gen.Gen, ptr %t461, i32 0, i32 12
-  %t464 = getelementptr inbounds %S.gen.FnSig, ptr %t463, i32 0, i32 11
-  %t465 = load { ptr, i64, i64 }, ptr %t464
-  store { ptr, i64, i64 } %t460, ptr %a467
-  store { ptr, i64, i64 } %t465, ptr %a468
-  call void @finch_str_concat(ptr %a466, ptr %a467, ptr %a468)
-  %t469 = load { ptr, i64, i64 }, ptr %a466
-  store { ptr, i64, i64 } %t469, ptr %a471
-  store { ptr, i64, i64 } { ptr @.str.2953, i64 1, i64 0 }, ptr %a472
-  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
-  %t473 = load { ptr, i64, i64 }, ptr %a470
-  %t474 = getelementptr inbounds { ptr, i64, i64 }, ptr %a171, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2954, i64 2, i64 0 }, ptr %a475
-  call void @finch_str_join(ptr %a476, ptr %a171, ptr %a475)
-  %t477 = load { ptr, i64, i64 }, ptr %a476
-  store { ptr, i64, i64 } %t473, ptr %a479
-  store { ptr, i64, i64 } %t477, ptr %a480
-  call void @finch_str_concat(ptr %a478, ptr %a479, ptr %a480)
-  %t481 = load { ptr, i64, i64 }, ptr %a478
-  store { ptr, i64, i64 } %t481, ptr %a483
-  store { ptr, i64, i64 } { ptr @.str.2955, i64 1, i64 0 }, ptr %a484
-  call void @finch_str_concat(ptr %a482, ptr %a483, ptr %a484)
-  %t485 = load { ptr, i64, i64 }, ptr %a482
-  %t486 = load { ptr, i64, i64 }, ptr %a430
-  store { ptr, i64, i64 } %t485, ptr %a488
+ok4815:
+  %t466 = getelementptr inbounds %S.gen.Gen, ptr %t464, i32 0, i32 13
+  %t467 = load %S.gen.FnSig, ptr %t466
+  %t468 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t463, %S.gen.FnSig %t467)
+  store { ptr, i64, i64 } { ptr @.str.3030, i64 4, i64 0 }, ptr %a470
+  store { ptr, i64, i64 } %t468, ptr %a471
+  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
+  store { ptr, i64, i64 } %t468, ptr %a472
+  call void @finch_str_drop(ptr %a472)
+  %t473 = load { ptr, i64, i64 }, ptr %a469
+  store { ptr, i64, i64 } %t473, ptr %a475
+  store { ptr, i64, i64 } { ptr @.str.3033, i64 53, i64 0 }, ptr %a476
+  call void @finch_str_concat(ptr %a474, ptr %a475, ptr %a476)
+  store { ptr, i64, i64 } %t473, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  %t478 = load { ptr, i64, i64 }, ptr %a474
+  call void @finch.gen.emit(ptr %t462, { ptr, i64, i64 } %t478)
+  store { ptr, i64, i64 } %t478, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  br label %endif4813
+else4812:
+  %t480 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t480, { ptr, i64, i64 } { ptr @.str.3034, i64 8, i64 0 })
+  br label %endif4813
+endif4813:
+  br label %endif4801
+endif4801:
+  store { ptr, i64, i64 } { ptr @.str.3035, i64 0, i64 0 }, ptr %a481
+  %t482 = load i64, ptr %a151
+  %t483 = icmp sge i64 %t482, 0
+  br i1 %t483, label %then4816, label %endif4818
+then4816:
+  %t484 = load i64, ptr %a151
+  call void @finch_str_from_int(ptr %a485, i64 %t484)
+  %t486 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } { ptr @.str.3036, i64 7, i64 0 }, ptr %a488
   store { ptr, i64, i64 } %t486, ptr %a489
   call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  store { ptr, i64, i64 } %t490, ptr %a492
-  store { ptr, i64, i64 } { ptr @.str.2956, i64 10, i64 0 }, ptr %a493
-  call void @finch_str_concat(ptr %a491, ptr %a492, ptr %a493)
-  %t494 = load { ptr, i64, i64 }, ptr %a491
-  %t495 = load ptr, ptr %a1
-  %t496 = icmp eq ptr %t495, null
-  br i1 %t496, label %panic4586, label %ok4587
-panic4586:
-  call void @finch_panic(ptr @.str.2957, i64 2010, ptr @.str.2958)
+  store { ptr, i64, i64 } %t486, ptr %a490
+  call void @finch_str_drop(ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a487
+  %t492 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } %t491, ptr %a481
+  store { ptr, i64, i64 } %t492, ptr %a493
+  call void @finch_str_drop(ptr %a493)
+  br label %endif4818
+endif4818:
+  %t494 = load ptr, ptr %a1
+  %t495 = icmp eq ptr %t494, null
+  br i1 %t495, label %panic4819, label %ok4820
+panic4819:
+  call void @finch_panic(ptr @.str.3037, i64 2163, ptr @.str.3038)
   unreachable
-ok4587:
-  %t497 = getelementptr inbounds %S.gen.Gen, ptr %t495, i32 0, i32 5
-  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t497, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2959, i64 1, i64 0 }, ptr %a499
-  call void @finch_str_join(ptr %a500, ptr %t497, ptr %a499)
-  %t501 = load { ptr, i64, i64 }, ptr %a500
-  store { ptr, i64, i64 } %t494, ptr %a503
-  store { ptr, i64, i64 } %t501, ptr %a504
-  call void @finch_str_concat(ptr %a502, ptr %a503, ptr %a504)
-  %t505 = load { ptr, i64, i64 }, ptr %a502
-  store { ptr, i64, i64 } %t505, ptr %a507
-  store { ptr, i64, i64 } { ptr @.str.2960, i64 1, i64 0 }, ptr %a508
-  call void @finch_str_concat(ptr %a506, ptr %a507, ptr %a508)
-  %t509 = load { ptr, i64, i64 }, ptr %a506
-  %t510 = load ptr, ptr %a1
-  %t511 = icmp eq ptr %t510, null
-  br i1 %t511, label %panic4588, label %ok4589
-panic4588:
-  call void @finch_panic(ptr @.str.2961, i64 2010, ptr @.str.2962)
+ok4820:
+  %t496 = getelementptr inbounds %S.gen.Gen, ptr %t494, i32 0, i32 35
+  store i64 -1, ptr %t496
+  %t497 = load ptr, ptr %a1
+  %t498 = icmp eq ptr %t497, null
+  br i1 %t498, label %panic4821, label %ok4822
+panic4821:
+  call void @finch_panic(ptr @.str.3039, i64 2164, ptr @.str.3040)
   unreachable
-ok4589:
-  %t512 = getelementptr inbounds %S.gen.Gen, ptr %t510, i32 0, i32 4
-  %t513 = getelementptr inbounds { ptr, i64, i64 }, ptr %t512, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2963, i64 1, i64 0 }, ptr %a514
-  call void @finch_str_join(ptr %a515, ptr %t512, ptr %a514)
-  %t516 = load { ptr, i64, i64 }, ptr %a515
-  store { ptr, i64, i64 } %t509, ptr %a518
-  store { ptr, i64, i64 } %t516, ptr %a519
-  call void @finch_str_concat(ptr %a517, ptr %a518, ptr %a519)
-  %t520 = load { ptr, i64, i64 }, ptr %a517
-  store { ptr, i64, i64 } %t520, ptr %a522
-  store { ptr, i64, i64 } { ptr @.str.2964, i64 3, i64 0 }, ptr %a523
-  call void @finch_str_concat(ptr %a521, ptr %a522, ptr %a523)
-  %t524 = load { ptr, i64, i64 }, ptr %a521
-  %t525 = load i64, ptr %t446
-  %t526 = add i64 %t525, 1
-  call void @finch_arr_reserve(ptr %t445, i64 %t526, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t527 = load ptr, ptr %t445
-  %t528 = getelementptr inbounds { ptr, i64, i64 }, ptr %t527, i64 %t525
-  store { ptr, i64, i64 } %t524, ptr %t528
-  store i64 %t526, ptr %t446
+ok4822:
+  %t499 = getelementptr inbounds %S.gen.Gen, ptr %t497, i32 0, i32 3
+  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t499, i32 0, i32 1
+  %t501 = load ptr, ptr %a1
+  %t502 = load ptr, ptr %a1
+  %t503 = icmp eq ptr %t502, null
+  br i1 %t503, label %panic4823, label %ok4824
+panic4823:
+  call void @finch_panic(ptr @.str.3042, i64 2164, ptr @.str.3043)
+  unreachable
+ok4824:
+  %t504 = getelementptr inbounds %S.gen.Gen, ptr %t502, i32 0, i32 13
+  %t505 = load %S.gen.FnSig, ptr %t504
+  %t506 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t501, %S.gen.FnSig %t505)
+  store { ptr, i64, i64 } { ptr @.str.3041, i64 16, i64 0 }, ptr %a508
+  store { ptr, i64, i64 } %t506, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  store { ptr, i64, i64 } %t511, ptr %a513
+  store { ptr, i64, i64 } { ptr @.str.3044, i64 1, i64 0 }, ptr %a514
+  call void @finch_str_concat(ptr %a512, ptr %a513, ptr %a514)
+  store { ptr, i64, i64 } %t511, ptr %a515
+  call void @finch_str_drop(ptr %a515)
+  %t516 = load { ptr, i64, i64 }, ptr %a512
+  %t517 = load ptr, ptr %a1
+  %t518 = icmp eq ptr %t517, null
+  br i1 %t518, label %panic4825, label %ok4826
+panic4825:
+  call void @finch_panic(ptr @.str.3045, i64 2164, ptr @.str.3046)
+  unreachable
+ok4826:
+  %t519 = getelementptr inbounds %S.gen.Gen, ptr %t517, i32 0, i32 13
+  %t520 = getelementptr inbounds %S.gen.FnSig, ptr %t519, i32 0, i32 11
+  %t521 = load { ptr, i64, i64 }, ptr %t520
+  store { ptr, i64, i64 } %t516, ptr %a523
+  store { ptr, i64, i64 } %t521, ptr %a524
+  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
+  store { ptr, i64, i64 } %t516, ptr %a525
+  call void @finch_str_drop(ptr %a525)
+  %t526 = load { ptr, i64, i64 }, ptr %a522
+  store { ptr, i64, i64 } %t526, ptr %a528
+  store { ptr, i64, i64 } { ptr @.str.3047, i64 1, i64 0 }, ptr %a529
+  call void @finch_str_concat(ptr %a527, ptr %a528, ptr %a529)
+  store { ptr, i64, i64 } %t526, ptr %a530
+  call void @finch_str_drop(ptr %a530)
+  %t531 = load { ptr, i64, i64 }, ptr %a527
+  %t532 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3048, i64 2, i64 0 }, ptr %a533
+  call void @finch_str_join(ptr %a534, ptr %a190, ptr %a533)
+  %t535 = load { ptr, i64, i64 }, ptr %a534
+  store { ptr, i64, i64 } %t531, ptr %a537
+  store { ptr, i64, i64 } %t535, ptr %a538
+  call void @finch_str_concat(ptr %a536, ptr %a537, ptr %a538)
+  store { ptr, i64, i64 } %t531, ptr %a539
+  call void @finch_str_drop(ptr %a539)
+  store { ptr, i64, i64 } %t535, ptr %a540
+  call void @finch_str_drop(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a536
+  store { ptr, i64, i64 } %t541, ptr %a543
+  store { ptr, i64, i64 } { ptr @.str.3049, i64 1, i64 0 }, ptr %a544
+  call void @finch_str_concat(ptr %a542, ptr %a543, ptr %a544)
+  store { ptr, i64, i64 } %t541, ptr %a545
+  call void @finch_str_drop(ptr %a545)
+  %t546 = load { ptr, i64, i64 }, ptr %a542
+  %t547 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } %t546, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  store { ptr, i64, i64 } %t546, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t552, ptr %a554
+  store { ptr, i64, i64 } { ptr @.str.3050, i64 10, i64 0 }, ptr %a555
+  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
+  store { ptr, i64, i64 } %t552, ptr %a556
+  call void @finch_str_drop(ptr %a556)
+  %t557 = load { ptr, i64, i64 }, ptr %a553
+  %t558 = load ptr, ptr %a1
+  %t559 = icmp eq ptr %t558, null
+  br i1 %t559, label %panic4827, label %ok4828
+panic4827:
+  call void @finch_panic(ptr @.str.3051, i64 2165, ptr @.str.3052)
+  unreachable
+ok4828:
+  %t560 = getelementptr inbounds %S.gen.Gen, ptr %t558, i32 0, i32 5
+  %t561 = getelementptr inbounds { ptr, i64, i64 }, ptr %t560, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3053, i64 1, i64 0 }, ptr %a562
+  call void @finch_str_join(ptr %a563, ptr %t560, ptr %a562)
+  %t564 = load { ptr, i64, i64 }, ptr %a563
+  store { ptr, i64, i64 } %t557, ptr %a566
+  store { ptr, i64, i64 } %t564, ptr %a567
+  call void @finch_str_concat(ptr %a565, ptr %a566, ptr %a567)
+  store { ptr, i64, i64 } %t557, ptr %a568
+  call void @finch_str_drop(ptr %a568)
+  store { ptr, i64, i64 } %t564, ptr %a569
+  call void @finch_str_drop(ptr %a569)
+  %t570 = load { ptr, i64, i64 }, ptr %a565
+  store { ptr, i64, i64 } %t570, ptr %a572
+  store { ptr, i64, i64 } { ptr @.str.3054, i64 1, i64 0 }, ptr %a573
+  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
+  store { ptr, i64, i64 } %t570, ptr %a574
+  call void @finch_str_drop(ptr %a574)
+  %t575 = load { ptr, i64, i64 }, ptr %a571
+  %t576 = load ptr, ptr %a1
+  %t577 = icmp eq ptr %t576, null
+  br i1 %t577, label %panic4829, label %ok4830
+panic4829:
+  call void @finch_panic(ptr @.str.3055, i64 2165, ptr @.str.3056)
+  unreachable
+ok4830:
+  %t578 = getelementptr inbounds %S.gen.Gen, ptr %t576, i32 0, i32 4
+  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %t578, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3057, i64 1, i64 0 }, ptr %a580
+  call void @finch_str_join(ptr %a581, ptr %t578, ptr %a580)
+  %t582 = load { ptr, i64, i64 }, ptr %a581
+  store { ptr, i64, i64 } %t575, ptr %a584
+  store { ptr, i64, i64 } %t582, ptr %a585
+  call void @finch_str_concat(ptr %a583, ptr %a584, ptr %a585)
+  store { ptr, i64, i64 } %t575, ptr %a586
+  call void @finch_str_drop(ptr %a586)
+  store { ptr, i64, i64 } %t582, ptr %a587
+  call void @finch_str_drop(ptr %a587)
+  %t588 = load { ptr, i64, i64 }, ptr %a583
+  store { ptr, i64, i64 } %t588, ptr %a590
+  store { ptr, i64, i64 } { ptr @.str.3058, i64 3, i64 0 }, ptr %a591
+  call void @finch_str_concat(ptr %a589, ptr %a590, ptr %a591)
+  store { ptr, i64, i64 } %t588, ptr %a592
+  call void @finch_str_drop(ptr %a592)
+  %t593 = load { ptr, i64, i64 }, ptr %a589
+  %t594 = load i64, ptr %t500
+  %t595 = add i64 %t594, 1
+  call void @finch_arr_reserve(ptr %t499, i64 %t595, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t596 = load ptr, ptr %t499
+  %t597 = getelementptr inbounds { ptr, i64, i64 }, ptr %t596, i64 %t594
+  store { ptr, i64, i64 } %t593, ptr %t597
+  store i64 %t595, ptr %t500
+  call void @finch_str_drop(ptr %a481)
+  call void @finch.drop.arr_str(ptr %a190)
+  call void @finch.drop.arr_S_gen_Scope(ptr %a179)
+  call void @finch.drop.arr_str(ptr %a120)
+  call void @finch.drop.S_ast_Node(ptr %a119)
   ret void
 }
 
@@ -42174,59 +49147,59 @@ entry:
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
   %t4 = load i1, ptr %a3
-  br i1 %t4, label %then4590, label %endif4592
-then4590:
+  br i1 %t4, label %then4831, label %endif4833
+then4831:
   %t5 = load ptr, ptr %a1
   call void @finch.gen.pushScope(ptr %t5)
-  br label %endif4592
-endif4592:
+  br label %endif4833
+endif4833:
   %t6 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   store i64 0, ptr %a7
-  br label %each.cond4593
-each.cond4593:
+  br label %each.cond4834
+each.cond4834:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load i64, ptr %a7
   %t11 = icmp slt i64 %t10, %t9
-  br i1 %t11, label %each.body4594, label %each.end4596
-each.body4594:
+  br i1 %t11, label %each.body4835, label %each.end4837
+each.body4835:
   %t12 = load ptr, ptr %t6
   %t13 = getelementptr inbounds %S.ast.Node, ptr %t12, i64 %t10
   %t14 = load %S.ast.Node, ptr %t13
   store %S.ast.Node %t14, ptr %a15
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic4597, label %ok4598
-panic4597:
-  call void @finch_panic(ptr @.str.2965, i64 2020, ptr @.str.2966)
+  br i1 %t17, label %panic4838, label %ok4839
+panic4838:
+  call void @finch_panic(ptr @.str.3059, i64 2175, ptr @.str.3060)
   unreachable
-ok4598:
+ok4839:
   %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 9
   %t19 = load i1, ptr %t18
-  br i1 %t19, label %then4599, label %endif4601
-then4599:
+  br i1 %t19, label %then4840, label %endif4842
+then4840:
   %t20 = load ptr, ptr %a1
   %t21 = load %S.ast.Node, ptr %a15
-  call void @finch.gen.fail(ptr %t20, %S.ast.Node %t21, { ptr, i64, i64 } { ptr @.str.2967, i64 66, i64 0 })
-  br label %endif4601
-endif4601:
+  call void @finch.gen.fail(ptr %t20, %S.ast.Node %t21, { ptr, i64, i64 } { ptr @.str.3061, i64 66, i64 0 })
+  br label %endif4842
+endif4842:
   %t22 = load ptr, ptr %a1
   %t23 = load %S.ast.Node, ptr %a15
   call void @finch.gen.stmt(ptr %t22, %S.ast.Node %t23)
-  br label %each.step4595
-each.step4595:
+  br label %each.step4836
+each.step4836:
   %t24 = load i64, ptr %a7
   %t25 = add i64 %t24, 1
   store i64 %t25, ptr %a7
-  br label %each.cond4593
-each.end4596:
+  br label %each.cond4834
+each.end4837:
   %t26 = load i1, ptr %a3
-  br i1 %t26, label %then4602, label %endif4604
-then4602:
+  br i1 %t26, label %then4843, label %endif4845
+then4843:
   %t27 = load ptr, ptr %a1
   call void @finch.gen.endScope(ptr %t27)
-  br label %endif4604
-endif4604:
+  br label %endif4845
+endif4845:
   ret void
 }
 
@@ -42244,6 +49217,16 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Loop(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Loop, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Loop, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
+}
+
 define internal void @finch.gen.stmt(ptr %p0, %S.ast.Node %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -42261,64 +49244,70 @@ entry:
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca i64, align 16
-  %a155 = alloca %S.ast.Node, align 16
-  %a156 = alloca %S.ast.Node, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca %S.gen.Loop, align 16
-  %a233 = alloca %S.gen.Loop, align 16
-  %a235 = alloca %S.gen.Loop, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca %S.gen.Val, align 16
+  %a78 = alloca %S.gen.Val, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca %S.gen.Val, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca i64, align 16
+  %a189 = alloca %S.ast.Node, align 16
+  %a190 = alloca %S.ast.Node, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca %S.gen.Loop, align 16
+  %a269 = alloca %S.gen.Loop, align 16
+  %a271 = alloca %S.gen.Loop, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
   %t4 = load i64, ptr %t3
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic4605, label %ok4606
-panic4605:
-  call void @finch_panic(ptr @.str.2968, i64 2031, ptr @.str.2969)
+  br i1 %t6, label %panic4846, label %ok4847
+panic4846:
+  call void @finch_panic(ptr @.str.3062, i64 2186, ptr @.str.3063)
   unreachable
-ok4606:
-  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 35
+ok4847:
+  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 36
   store i64 %t4, ptr %t7
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
   %t9 = load i64, ptr %t8
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic4607, label %ok4608
-panic4607:
-  call void @finch_panic(ptr @.str.2970, i64 2032, ptr @.str.2971)
+  br i1 %t11, label %panic4848, label %ok4849
+panic4848:
+  call void @finch_panic(ptr @.str.3064, i64 2187, ptr @.str.3065)
   unreachable
-ok4608:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 36
+ok4849:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 37
   store i64 %t9, ptr %t12
   %t13 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t14 = load { ptr, i64, i64 }, ptr %t13
@@ -42328,447 +49317,521 @@ ok4608:
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.2972, i64 5, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.3066, i64 5, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br i1 %t23, label %then4609, label %else4610
-then4609:
+  br i1 %t23, label %then4850, label %else4851
+then4850:
   %t24 = load ptr, ptr %a1
   %t25 = load %S.ast.Node, ptr %a2
   call void @finch.gen.block(ptr %t24, %S.ast.Node %t25, i1 true)
-  br label %endif4611
-else4610:
+  br label %endif4852
+else4851:
   %t26 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2973, i64 4, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.3067, i64 4, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br i1 %t30, label %then4612, label %else4613
-then4612:
+  br i1 %t30, label %then4853, label %else4854
+then4853:
   %t31 = load ptr, ptr %a1
   %t32 = load %S.ast.Node, ptr %a2
   call void @finch.gen.declStmt(ptr %t31, %S.ast.Node %t32)
-  br label %endif4614
-else4613:
+  br label %endif4855
+else4854:
   %t33 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.2974, i64 6, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3068, i64 6, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then4615, label %else4616
-then4615:
+  br i1 %t37, label %then4856, label %else4857
+then4856:
   %t38 = load ptr, ptr %a1
   %t39 = load %S.ast.Node, ptr %a2
   call void @finch.gen.assignStmt(ptr %t38, %S.ast.Node %t39)
-  br label %endif4617
-else4616:
+  br label %endif4858
+else4857:
   %t40 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t40, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.2975, i64 4, i64 0 }, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.3069, i64 4, i64 0 }, ptr %a42
   %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
   %t44 = icmp ne i32 %t43, 0
-  br i1 %t44, label %then4618, label %else4619
-then4618:
+  br i1 %t44, label %then4859, label %else4860
+then4859:
   %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t46 = load { ptr, i64, i64 }, ptr %t45
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 0, %t47
-  br i1 %t48, label %range4621, label %inrange4622
-range4621:
-  call void @finch_panic_index(ptr @.str.2976, i64 2041, i64 0, i64 %t47)
+  br i1 %t48, label %range4862, label %inrange4863
+range4862:
+  call void @finch_panic_index(ptr @.str.3070, i64 2196, i64 0, i64 %t47)
   unreachable
-inrange4622:
+inrange4863:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 0
   %t51 = getelementptr inbounds %S.ast.Node, ptr %t50, i32 0, i32 0
   %t52 = load { ptr, i64, i64 }, ptr %t51
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.2977, i64 2, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.3071, i64 2, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br i1 %t56, label %then4623, label %else4624
-then4623:
+  br i1 %t56, label %then4864, label %else4865
+then4864:
   %t57 = load ptr, ptr %a1
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = extractvalue { ptr, i64, i64 } %t59, 1
-  %t61 = icmp uge i64 0, %t60
-  br i1 %t61, label %range4626, label %inrange4627
-range4626:
-  call void @finch_panic_index(ptr @.str.2978, i64 2042, i64 0, i64 %t60)
+  %t58 = load ptr, ptr %a1
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  %t61 = extractvalue { ptr, i64, i64 } %t60, 1
+  %t62 = icmp uge i64 0, %t61
+  br i1 %t62, label %range4867, label %inrange4868
+range4867:
+  call void @finch_panic_index(ptr @.str.3072, i64 2197, i64 0, i64 %t61)
   unreachable
-inrange4627:
-  %t62 = extractvalue { ptr, i64, i64 } %t59, 0
-  %t63 = getelementptr inbounds %S.ast.Node, ptr %t62, i64 0
-  %t64 = load %S.ast.Node, ptr %t63
-  %t65 = call %S.gen.Val @finch.gen.orElse(ptr %t57, %S.ast.Node %t64, i1 true)
-  br label %endif4625
-else4624:
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t68 = load { ptr, i64, i64 }, ptr %t67
-  %t69 = extractvalue { ptr, i64, i64 } %t68, 1
-  %t70 = icmp uge i64 0, %t69
-  br i1 %t70, label %range4628, label %inrange4629
-range4628:
-  call void @finch_panic_index(ptr @.str.2979, i64 2044, i64 0, i64 %t69)
+inrange4868:
+  %t63 = extractvalue { ptr, i64, i64 } %t60, 0
+  %t64 = getelementptr inbounds %S.ast.Node, ptr %t63, i64 0
+  %t65 = load %S.ast.Node, ptr %t64
+  %t66 = call %S.gen.Val @finch.gen.orElse(ptr %t58, %S.ast.Node %t65, i1 true)
+  call void @finch.gen.release(ptr %t57, %S.gen.Val %t66)
+  store %S.gen.Val %t66, ptr %a67
+  call void @finch.drop.S_gen_Val(ptr %a67)
+  br label %endif4866
+else4865:
+  %t68 = load ptr, ptr %a1
+  %t69 = load ptr, ptr %a1
+  %t70 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
+  %t73 = icmp uge i64 0, %t72
+  br i1 %t73, label %range4869, label %inrange4870
+range4869:
+  call void @finch_panic_index(ptr @.str.3073, i64 2199, i64 0, i64 %t72)
   unreachable
-inrange4629:
-  %t71 = extractvalue { ptr, i64, i64 } %t68, 0
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %t71, i64 0
-  %t73 = load %S.ast.Node, ptr %t72
-  %t74 = call %S.gen.Val @finch.gen.expr(ptr %t66, %S.ast.Node %t73)
-  br label %endif4625
-endif4625:
-  br label %endif4620
-else4619:
-  %t75 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.2980, i64 5, i64 0 }, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br i1 %t79, label %then4630, label %else4631
-then4630:
-  %t80 = load ptr, ptr %a1
-  %t81 = load %S.ast.Node, ptr %a2
-  %t82 = call %S.gen.Val @finch.gen.matchGen(ptr %t80, %S.ast.Node %t81, i1 false)
-  br label %endif4632
-else4631:
-  %t83 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t83, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.2981, i64 2, i64 0 }, ptr %a85
-  %t86 = call i32 @finch_str_eq(ptr %a84, ptr %a85)
-  %t87 = icmp ne i32 %t86, 0
-  br i1 %t87, label %then4633, label %else4634
-then4633:
-  %t88 = load ptr, ptr %a1
-  %t89 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.ifStmt(ptr %t88, %S.ast.Node %t89)
-  br label %endif4635
-else4634:
-  %t90 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.2982, i64 5, i64 0 }, ptr %a92
-  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
-  %t94 = icmp ne i32 %t93, 0
-  br i1 %t94, label %then4636, label %else4637
-then4636:
-  %t95 = load ptr, ptr %a1
-  %t96 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.whileStmt(ptr %t95, %S.ast.Node %t96)
-  br label %endif4638
-else4637:
-  %t97 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t97, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.2983, i64 3, i64 0 }, ptr %a99
-  %t100 = call i32 @finch_str_eq(ptr %a98, ptr %a99)
-  %t101 = icmp ne i32 %t100, 0
-  br i1 %t101, label %then4639, label %else4640
-then4639:
-  %t102 = load ptr, ptr %a1
-  %t103 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.forStmt(ptr %t102, %S.ast.Node %t103)
-  br label %endif4641
-else4640:
-  %t104 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t104, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.2984, i64 4, i64 0 }, ptr %a106
-  %t107 = call i32 @finch_str_eq(ptr %a105, ptr %a106)
-  %t108 = icmp ne i32 %t107, 0
-  br i1 %t108, label %then4642, label %else4643
-then4642:
-  %t109 = load ptr, ptr %a1
-  %t110 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.eachStmt(ptr %t109, %S.ast.Node %t110)
-  br label %endif4644
-else4643:
-  %t111 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.2985, i64 6, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br i1 %t115, label %then4645, label %else4646
-then4645:
-  %t116 = load ptr, ptr %a1
-  %t117 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.returnStmt(ptr %t116, %S.ast.Node %t117)
-  br label %endif4647
-else4646:
-  %t118 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t118, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.2986, i64 5, i64 0 }, ptr %a120
-  %t121 = call i32 @finch_str_eq(ptr %a119, ptr %a120)
-  %t122 = icmp ne i32 %t121, 0
-  br i1 %t122, label %then4648, label %else4649
-then4648:
-  %t123 = load ptr, ptr %a1
-  %t124 = icmp eq ptr %t123, null
-  br i1 %t124, label %panic4651, label %ok4652
-panic4651:
-  call void @finch_panic(ptr @.str.2987, i64 2059, ptr @.str.2988)
-  unreachable
-ok4652:
-  %t125 = getelementptr inbounds %S.gen.Gen, ptr %t123, i32 0, i32 44
-  %t126 = load i64, ptr %t125
-  %t127 = icmp sgt i64 %t126, 0
-  br i1 %t127, label %then4653, label %endif4655
-then4653:
+inrange4870:
+  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 0
+  %t76 = load %S.ast.Node, ptr %t75
+  %t77 = call %S.gen.Val @finch.gen.expr(ptr %t69, %S.ast.Node %t76)
+  call void @finch.gen.release(ptr %t68, %S.gen.Val %t77)
+  store %S.gen.Val %t77, ptr %a78
+  call void @finch.drop.S_gen_Val(ptr %a78)
+  br label %endif4866
+endif4866:
+  br label %endif4861
+else4860:
+  %t79 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t79, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.3074, i64 5, i64 0 }, ptr %a81
+  %t82 = call i32 @finch_str_eq(ptr %a80, ptr %a81)
+  %t83 = icmp ne i32 %t82, 0
+  br i1 %t83, label %then4871, label %else4872
+then4871:
+  %t84 = load ptr, ptr %a1
+  %t85 = load %S.ast.Node, ptr %a2
+  %t86 = call %S.gen.Val @finch.gen.matchGen(ptr %t84, %S.ast.Node %t85, i1 false)
+  store %S.gen.Val %t86, ptr %a87
+  call void @finch.drop.S_gen_Val(ptr %a87)
+  br label %endif4873
+else4872:
+  %t88 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t88, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.3075, i64 2, i64 0 }, ptr %a90
+  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
+  %t92 = icmp ne i32 %t91, 0
+  br i1 %t92, label %then4874, label %else4875
+then4874:
+  %t93 = load ptr, ptr %a1
+  %t94 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.ifStmt(ptr %t93, %S.ast.Node %t94)
+  br label %endif4876
+else4875:
+  %t95 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.3076, i64 5, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br i1 %t99, label %then4877, label %else4878
+then4877:
+  %t100 = load ptr, ptr %a1
+  %t101 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.whileStmt(ptr %t100, %S.ast.Node %t101)
+  br label %endif4879
+else4878:
+  %t102 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.3077, i64 3, i64 0 }, ptr %a104
+  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
+  %t106 = icmp ne i32 %t105, 0
+  br i1 %t106, label %then4880, label %else4881
+then4880:
+  %t107 = load ptr, ptr %a1
+  %t108 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.forStmt(ptr %t107, %S.ast.Node %t108)
+  br label %endif4882
+else4881:
+  %t109 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t109, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.3078, i64 4, i64 0 }, ptr %a111
+  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
+  %t113 = icmp ne i32 %t112, 0
+  br i1 %t113, label %then4883, label %else4884
+then4883:
+  %t114 = load ptr, ptr %a1
+  %t115 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.eachStmt(ptr %t114, %S.ast.Node %t115)
+  br label %endif4885
+else4884:
+  %t116 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t116, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.3079, i64 6, i64 0 }, ptr %a118
+  %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
+  %t120 = icmp ne i32 %t119, 0
+  br i1 %t120, label %then4886, label %else4887
+then4886:
+  %t121 = load ptr, ptr %a1
+  %t122 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.returnStmt(ptr %t121, %S.ast.Node %t122)
+  br label %endif4888
+else4887:
+  %t123 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t123, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.3080, i64 5, i64 0 }, ptr %a125
+  %t126 = call i32 @finch_str_eq(ptr %a124, ptr %a125)
+  %t127 = icmp ne i32 %t126, 0
+  br i1 %t127, label %then4889, label %else4890
+then4889:
   %t128 = load ptr, ptr %a1
-  %t129 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t128, %S.ast.Node %t129, { ptr, i64, i64 } { ptr @.str.2989, i64 33, i64 0 })
-  br label %endif4655
-endif4655:
-  %t130 = load ptr, ptr %a1
-  %t131 = icmp eq ptr %t130, null
-  br i1 %t131, label %panic4656, label %ok4657
-panic4656:
-  call void @finch_panic(ptr @.str.2990, i64 2062, ptr @.str.2991)
+  %t129 = icmp eq ptr %t128, null
+  br i1 %t129, label %panic4892, label %ok4893
+panic4892:
+  call void @finch_panic(ptr @.str.3081, i64 2214, ptr @.str.3082)
   unreachable
-ok4657:
-  %t132 = getelementptr inbounds %S.gen.Gen, ptr %t130, i32 0, i32 10
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t132, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  %t135 = sub i64 %t134, 1
-  store i64 %t135, ptr %a136
-  %t137 = load ptr, ptr %a1
-  %t138 = icmp eq ptr %t137, null
-  br i1 %t138, label %panic4658, label %ok4659
-panic4658:
-  call void @finch_panic(ptr @.str.2992, i64 2063, ptr @.str.2993)
+ok4893:
+  %t130 = getelementptr inbounds %S.gen.Gen, ptr %t128, i32 0, i32 45
+  %t131 = load i64, ptr %t130
+  %t132 = icmp sgt i64 %t131, 0
+  br i1 %t132, label %then4894, label %endif4896
+then4894:
+  %t133 = load ptr, ptr %a1
+  %t134 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t133, %S.ast.Node %t134, { ptr, i64, i64 } { ptr @.str.3083, i64 33, i64 0 })
+  br label %endif4896
+endif4896:
+  %t135 = load ptr, ptr %a1
+  %t136 = icmp eq ptr %t135, null
+  br i1 %t136, label %panic4897, label %ok4898
+panic4897:
+  call void @finch_panic(ptr @.str.3084, i64 2217, ptr @.str.3085)
   unreachable
-ok4659:
-  %t139 = getelementptr inbounds %S.gen.Gen, ptr %t137, i32 0, i32 10
-  %t140 = load i64, ptr %a136
-  %t141 = load { ptr, i64, i64 }, ptr %t139
-  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
-  %t143 = icmp uge i64 %t140, %t142
-  br i1 %t143, label %range4660, label %inrange4661
-range4660:
-  call void @finch_panic_index(ptr @.str.2994, i64 2063, i64 %t140, i64 %t142)
+ok4898:
+  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 10
+  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
+  %t139 = load i64, ptr %t138
+  %t140 = sub i64 %t139, 1
+  store i64 %t140, ptr %a141
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic4899, label %ok4900
+panic4899:
+  call void @finch_panic(ptr @.str.3086, i64 2218, ptr @.str.3087)
   unreachable
-inrange4661:
-  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
-  %t145 = getelementptr inbounds %S.gen.Scope, ptr %t144, i64 %t140
-  %t146 = getelementptr inbounds %S.gen.Scope, ptr %t145, i32 0, i32 1
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i32 0, i32 1
-  %t148 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t149 = load { ptr, i64, i64 }, ptr %t148
-  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
-  %t151 = icmp uge i64 0, %t150
-  br i1 %t151, label %range4662, label %inrange4663
-range4662:
-  call void @finch_panic_index(ptr @.str.2995, i64 2063, i64 0, i64 %t150)
+ok4900:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 10
+  %t145 = load i64, ptr %a141
+  %t146 = load { ptr, i64, i64 }, ptr %t144
+  %t147 = extractvalue { ptr, i64, i64 } %t146, 1
+  %t148 = icmp uge i64 %t145, %t147
+  br i1 %t148, label %range4901, label %inrange4902
+range4901:
+  call void @finch_panic_index(ptr @.str.3088, i64 2218, i64 %t145, i64 %t147)
   unreachable
-inrange4663:
-  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
-  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 0
-  %t154 = load %S.ast.Node, ptr %t153
-  store %S.ast.Node %t154, ptr %a155
-  call void @finch.copy.S_ast_Node(ptr %a156, ptr %a155)
-  %t157 = load %S.ast.Node, ptr %a156
-  %t158 = load i64, ptr %t147
-  %t159 = add i64 %t158, 1
-  call void @finch_arr_reserve(ptr %t146, i64 %t159, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t160 = load ptr, ptr %t146
-  %t161 = getelementptr inbounds %S.ast.Node, ptr %t160, i64 %t158
-  store %S.ast.Node %t157, ptr %t161
-  store i64 %t159, ptr %t147
-  %t162 = load ptr, ptr %a1
-  %t163 = icmp eq ptr %t162, null
-  br i1 %t163, label %panic4664, label %ok4665
-panic4664:
-  call void @finch_panic(ptr @.str.2996, i64 2064, ptr @.str.2997)
+inrange4902:
+  %t149 = extractvalue { ptr, i64, i64 } %t146, 0
+  %t150 = getelementptr inbounds %S.gen.Scope, ptr %t149, i64 %t145
+  %t151 = getelementptr inbounds %S.gen.Scope, ptr %t150, i32 0, i32 3
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = insertvalue %S.gen.Cleanup zeroinitializer, i1 true, 0
+  %t154 = load ptr, ptr %a1
+  %t155 = icmp eq ptr %t154, null
+  br i1 %t155, label %panic4903, label %ok4904
+panic4903:
+  call void @finch_panic(ptr @.str.3089, i64 2218, ptr @.str.3090)
   unreachable
-ok4665:
-  %t164 = getelementptr inbounds %S.gen.Gen, ptr %t162, i32 0, i32 10
-  %t165 = load i64, ptr %a136
-  %t166 = load { ptr, i64, i64 }, ptr %t164
-  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
-  %t168 = icmp uge i64 %t165, %t167
-  br i1 %t168, label %range4666, label %inrange4667
-range4666:
-  call void @finch_panic_index(ptr @.str.2998, i64 2064, i64 %t165, i64 %t167)
+ok4904:
+  %t156 = getelementptr inbounds %S.gen.Gen, ptr %t154, i32 0, i32 10
+  %t157 = load i64, ptr %a141
+  %t158 = load { ptr, i64, i64 }, ptr %t156
+  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
+  %t160 = icmp uge i64 %t157, %t159
+  br i1 %t160, label %range4905, label %inrange4906
+range4905:
+  call void @finch_panic_index(ptr @.str.3091, i64 2218, i64 %t157, i64 %t159)
   unreachable
-inrange4667:
-  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
-  %t170 = getelementptr inbounds %S.gen.Scope, ptr %t169, i64 %t165
-  %t171 = getelementptr inbounds %S.gen.Scope, ptr %t170, i32 0, i32 2
-  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %t171, i32 0, i32 1
-  %t173 = load ptr, ptr %a1
-  %t174 = icmp eq ptr %t173, null
-  br i1 %t174, label %panic4668, label %ok4669
-panic4668:
-  call void @finch_panic(ptr @.str.2999, i64 2064, ptr @.str.3000)
+inrange4906:
+  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
+  %t162 = getelementptr inbounds %S.gen.Scope, ptr %t161, i64 %t157
+  %t163 = getelementptr inbounds %S.gen.Scope, ptr %t162, i32 0, i32 1
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i32 0, i32 1
+  %t165 = load i64, ptr %t164
+  %t166 = insertvalue %S.gen.Cleanup %t153, i64 %t165, 1
+  %t167 = load i64, ptr %t152
+  %t168 = add i64 %t167, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t168, i64 ptrtoint (ptr getelementptr (%S.gen.Cleanup, ptr null, i32 1) to i64))
+  %t169 = load ptr, ptr %t151
+  %t170 = getelementptr inbounds %S.gen.Cleanup, ptr %t169, i64 %t167
+  store %S.gen.Cleanup %t166, ptr %t170
+  store i64 %t168, ptr %t152
+  %t171 = load ptr, ptr %a1
+  %t172 = icmp eq ptr %t171, null
+  br i1 %t172, label %panic4907, label %ok4908
+panic4907:
+  call void @finch_panic(ptr @.str.3092, i64 2219, ptr @.str.3093)
   unreachable
-ok4669:
-  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 23
-  %t176 = load i64, ptr %t175
-  %t177 = load i64, ptr %t172
-  %t178 = add i64 %t177, 1
-  call void @finch_arr_reserve(ptr %t171, i64 %t178, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t179 = load ptr, ptr %t171
-  %t180 = getelementptr inbounds i64, ptr %t179, i64 %t177
-  store i64 %t176, ptr %t180
-  store i64 %t178, ptr %t172
-  br label %endif4650
-else4649:
-  %t181 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t181, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.3001, i64 5, i64 0 }, ptr %a183
-  %t184 = call i32 @finch_str_eq(ptr %a182, ptr %a183)
-  %t185 = icmp ne i32 %t184, 0
-  br label %logic.from4670
-logic.from4670:
-  br i1 %t185, label %logic.end4672, label %logic.rhs4671
-logic.rhs4671:
-  %t186 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t186, ptr %a187
-  store { ptr, i64, i64 } { ptr @.str.3002, i64 8, i64 0 }, ptr %a188
-  %t189 = call i32 @finch_str_eq(ptr %a187, ptr %a188)
-  %t190 = icmp ne i32 %t189, 0
-  br label %logic.rend4673
-logic.rend4673:
-  br label %logic.end4672
-logic.end4672:
-  %t191 = phi i1 [ true, %logic.from4670 ], [ %t190, %logic.rend4673 ]
-  br i1 %t191, label %then4674, label %else4675
-then4674:
-  %t192 = load ptr, ptr %a1
-  %t193 = icmp eq ptr %t192, null
-  br i1 %t193, label %panic4677, label %ok4678
-panic4677:
-  call void @finch_panic(ptr @.str.3003, i64 2066, ptr @.str.3004)
+ok4908:
+  %t173 = getelementptr inbounds %S.gen.Gen, ptr %t171, i32 0, i32 10
+  %t174 = load i64, ptr %a141
+  %t175 = load { ptr, i64, i64 }, ptr %t173
+  %t176 = extractvalue { ptr, i64, i64 } %t175, 1
+  %t177 = icmp uge i64 %t174, %t176
+  br i1 %t177, label %range4909, label %inrange4910
+range4909:
+  call void @finch_panic_index(ptr @.str.3094, i64 2219, i64 %t174, i64 %t176)
   unreachable
-ok4678:
-  %t194 = getelementptr inbounds %S.gen.Gen, ptr %t192, i32 0, i32 44
-  %t195 = load i64, ptr %t194
-  %t196 = icmp sgt i64 %t195, 0
-  br i1 %t196, label %then4679, label %endif4681
-then4679:
-  %t197 = load ptr, ptr %a1
-  %t198 = load %S.ast.Node, ptr %a2
-  %t199 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.3005, i64 27, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  call void @finch.gen.fail(ptr %t197, %S.ast.Node %t198, { ptr, i64, i64 } %t203)
-  br label %endif4681
-endif4681:
-  %t204 = load ptr, ptr %a1
-  %t205 = icmp eq ptr %t204, null
-  br i1 %t205, label %panic4682, label %ok4683
-panic4682:
-  call void @finch_panic(ptr @.str.3006, i64 2069, ptr @.str.3007)
+inrange4910:
+  %t178 = extractvalue { ptr, i64, i64 } %t175, 0
+  %t179 = getelementptr inbounds %S.gen.Scope, ptr %t178, i64 %t174
+  %t180 = getelementptr inbounds %S.gen.Scope, ptr %t179, i32 0, i32 1
+  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t180, i32 0, i32 1
+  %t182 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t183 = load { ptr, i64, i64 }, ptr %t182
+  %t184 = extractvalue { ptr, i64, i64 } %t183, 1
+  %t185 = icmp uge i64 0, %t184
+  br i1 %t185, label %range4911, label %inrange4912
+range4911:
+  call void @finch_panic_index(ptr @.str.3095, i64 2219, i64 0, i64 %t184)
   unreachable
-ok4683:
-  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 11
-  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
-  %t208 = load i64, ptr %t207
-  %t209 = icmp eq i64 %t208, 0
-  br i1 %t209, label %then4684, label %endif4686
-then4684:
-  %t210 = load ptr, ptr %a1
-  %t211 = load %S.ast.Node, ptr %a2
-  %t212 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t212, ptr %a214
-  store { ptr, i64, i64 } { ptr @.str.3008, i64 31, i64 0 }, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  call void @finch.gen.fail(ptr %t210, %S.ast.Node %t211, { ptr, i64, i64 } %t216)
-  br label %endif4686
-endif4686:
-  %t217 = load ptr, ptr %a1
-  %t218 = icmp eq ptr %t217, null
-  br i1 %t218, label %panic4687, label %ok4688
-panic4687:
-  call void @finch_panic(ptr @.str.3009, i64 2072, ptr @.str.3010)
+inrange4912:
+  %t186 = extractvalue { ptr, i64, i64 } %t183, 0
+  %t187 = getelementptr inbounds %S.ast.Node, ptr %t186, i64 0
+  %t188 = load %S.ast.Node, ptr %t187
+  store %S.ast.Node %t188, ptr %a189
+  call void @finch.copy.S_ast_Node(ptr %a190, ptr %a189)
+  %t191 = load %S.ast.Node, ptr %a190
+  %t192 = load i64, ptr %t181
+  %t193 = add i64 %t192, 1
+  call void @finch_arr_reserve(ptr %t180, i64 %t193, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t194 = load ptr, ptr %t180
+  %t195 = getelementptr inbounds %S.ast.Node, ptr %t194, i64 %t192
+  store %S.ast.Node %t191, ptr %t195
+  store i64 %t193, ptr %t181
+  %t196 = load ptr, ptr %a1
+  %t197 = icmp eq ptr %t196, null
+  br i1 %t197, label %panic4913, label %ok4914
+panic4913:
+  call void @finch_panic(ptr @.str.3096, i64 2220, ptr @.str.3097)
   unreachable
-ok4688:
-  %t219 = getelementptr inbounds %S.gen.Gen, ptr %t217, i32 0, i32 11
-  %t220 = load ptr, ptr %a1
-  %t221 = icmp eq ptr %t220, null
-  br i1 %t221, label %panic4689, label %ok4690
-panic4689:
-  call void @finch_panic(ptr @.str.3011, i64 2072, ptr @.str.3012)
+ok4914:
+  %t198 = getelementptr inbounds %S.gen.Gen, ptr %t196, i32 0, i32 10
+  %t199 = load i64, ptr %a141
+  %t200 = load { ptr, i64, i64 }, ptr %t198
+  %t201 = extractvalue { ptr, i64, i64 } %t200, 1
+  %t202 = icmp uge i64 %t199, %t201
+  br i1 %t202, label %range4915, label %inrange4916
+range4915:
+  call void @finch_panic_index(ptr @.str.3098, i64 2220, i64 %t199, i64 %t201)
   unreachable
-ok4690:
-  %t222 = getelementptr inbounds %S.gen.Gen, ptr %t220, i32 0, i32 11
-  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i32 0, i32 1
-  %t224 = load i64, ptr %t223
-  %t225 = sub i64 %t224, 1
-  %t226 = load { ptr, i64, i64 }, ptr %t219
-  %t227 = extractvalue { ptr, i64, i64 } %t226, 1
-  %t228 = icmp uge i64 %t225, %t227
-  br i1 %t228, label %range4691, label %inrange4692
-range4691:
-  call void @finch_panic_index(ptr @.str.3013, i64 2072, i64 %t225, i64 %t227)
+inrange4916:
+  %t203 = extractvalue { ptr, i64, i64 } %t200, 0
+  %t204 = getelementptr inbounds %S.gen.Scope, ptr %t203, i64 %t199
+  %t205 = getelementptr inbounds %S.gen.Scope, ptr %t204, i32 0, i32 2
+  %t206 = getelementptr inbounds { ptr, i64, i64 }, ptr %t205, i32 0, i32 1
+  %t207 = load ptr, ptr %a1
+  %t208 = icmp eq ptr %t207, null
+  br i1 %t208, label %panic4917, label %ok4918
+panic4917:
+  call void @finch_panic(ptr @.str.3099, i64 2220, ptr @.str.3100)
   unreachable
-inrange4692:
-  %t229 = extractvalue { ptr, i64, i64 } %t226, 0
-  %t230 = getelementptr inbounds %S.gen.Loop, ptr %t229, i64 %t225
-  %t231 = load %S.gen.Loop, ptr %t230
-  store %S.gen.Loop %t231, ptr %a232
-  call void @finch.copy.S_gen_Loop(ptr %a233, ptr %a232)
-  %t234 = load %S.gen.Loop, ptr %a233
-  store %S.gen.Loop %t234, ptr %a235
-  %t236 = load ptr, ptr %a1
-  %t237 = getelementptr inbounds %S.gen.Loop, ptr %a235, i32 0, i32 2
-  %t238 = load i64, ptr %t237
-  call void @finch.gen.unwind(ptr %t236, i64 %t238)
-  %t239 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t239, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.3014, i64 5, i64 0 }, ptr %a241
-  %t242 = call i32 @finch_str_eq(ptr %a240, ptr %a241)
-  %t243 = icmp ne i32 %t242, 0
-  br i1 %t243, label %then4693, label %else4694
-then4693:
-  %t244 = load ptr, ptr %a1
-  %t245 = getelementptr inbounds %S.gen.Loop, ptr %a235, i32 0, i32 1
-  %t246 = load { ptr, i64, i64 }, ptr %t245
-  call void @finch.gen.br(ptr %t244, { ptr, i64, i64 } %t246)
-  br label %endif4695
-else4694:
-  %t247 = load ptr, ptr %a1
-  %t248 = getelementptr inbounds %S.gen.Loop, ptr %a235, i32 0, i32 0
-  %t249 = load { ptr, i64, i64 }, ptr %t248
-  call void @finch.gen.br(ptr %t247, { ptr, i64, i64 } %t249)
-  br label %endif4695
-endif4695:
-  br label %endif4676
-else4675:
-  %t250 = load ptr, ptr %a1
-  %t251 = load %S.ast.Node, ptr %a2
-  %t252 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.3015, i64 18, i64 0 }, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  call void @finch.gen.fail(ptr %t250, %S.ast.Node %t251, { ptr, i64, i64 } %t256)
-  br label %endif4676
-endif4676:
-  br label %endif4650
-endif4650:
-  br label %endif4647
-endif4647:
-  br label %endif4644
-endif4644:
-  br label %endif4641
-endif4641:
-  br label %endif4638
-endif4638:
-  br label %endif4635
-endif4635:
-  br label %endif4632
-endif4632:
-  br label %endif4620
-endif4620:
-  br label %endif4617
-endif4617:
-  br label %endif4614
-endif4614:
-  br label %endif4611
-endif4611:
+ok4918:
+  %t209 = getelementptr inbounds %S.gen.Gen, ptr %t207, i32 0, i32 24
+  %t210 = load i64, ptr %t209
+  %t211 = load i64, ptr %t206
+  %t212 = add i64 %t211, 1
+  call void @finch_arr_reserve(ptr %t205, i64 %t212, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t213 = load ptr, ptr %t205
+  %t214 = getelementptr inbounds i64, ptr %t213, i64 %t211
+  store i64 %t210, ptr %t214
+  store i64 %t212, ptr %t206
+  br label %endif4891
+else4890:
+  %t215 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t215, ptr %a216
+  store { ptr, i64, i64 } { ptr @.str.3101, i64 5, i64 0 }, ptr %a217
+  %t218 = call i32 @finch_str_eq(ptr %a216, ptr %a217)
+  %t219 = icmp ne i32 %t218, 0
+  br label %logic.from4919
+logic.from4919:
+  br i1 %t219, label %logic.end4921, label %logic.rhs4920
+logic.rhs4920:
+  %t220 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t220, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.3102, i64 8, i64 0 }, ptr %a222
+  %t223 = call i32 @finch_str_eq(ptr %a221, ptr %a222)
+  %t224 = icmp ne i32 %t223, 0
+  br label %logic.rend4922
+logic.rend4922:
+  br label %logic.end4921
+logic.end4921:
+  %t225 = phi i1 [ true, %logic.from4919 ], [ %t224, %logic.rend4922 ]
+  br i1 %t225, label %then4923, label %else4924
+then4923:
+  %t226 = load ptr, ptr %a1
+  %t227 = icmp eq ptr %t226, null
+  br i1 %t227, label %panic4926, label %ok4927
+panic4926:
+  call void @finch_panic(ptr @.str.3103, i64 2222, ptr @.str.3104)
+  unreachable
+ok4927:
+  %t228 = getelementptr inbounds %S.gen.Gen, ptr %t226, i32 0, i32 45
+  %t229 = load i64, ptr %t228
+  %t230 = icmp sgt i64 %t229, 0
+  br i1 %t230, label %then4928, label %endif4930
+then4928:
+  %t231 = load ptr, ptr %a1
+  %t232 = load %S.ast.Node, ptr %a2
+  %t233 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.3105, i64 27, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a234
+  call void @finch.gen.fail(ptr %t231, %S.ast.Node %t232, { ptr, i64, i64 } %t237)
+  store { ptr, i64, i64 } %t237, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  br label %endif4930
+endif4930:
+  %t239 = load ptr, ptr %a1
+  %t240 = icmp eq ptr %t239, null
+  br i1 %t240, label %panic4931, label %ok4932
+panic4931:
+  call void @finch_panic(ptr @.str.3106, i64 2225, ptr @.str.3107)
+  unreachable
+ok4932:
+  %t241 = getelementptr inbounds %S.gen.Gen, ptr %t239, i32 0, i32 12
+  %t242 = getelementptr inbounds { ptr, i64, i64 }, ptr %t241, i32 0, i32 1
+  %t243 = load i64, ptr %t242
+  %t244 = icmp eq i64 %t243, 0
+  br i1 %t244, label %then4933, label %endif4935
+then4933:
+  %t245 = load ptr, ptr %a1
+  %t246 = load %S.ast.Node, ptr %a2
+  %t247 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t247, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.3108, i64 31, i64 0 }, ptr %a250
+  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a248
+  call void @finch.gen.fail(ptr %t245, %S.ast.Node %t246, { ptr, i64, i64 } %t251)
+  store { ptr, i64, i64 } %t251, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  br label %endif4935
+endif4935:
+  %t253 = load ptr, ptr %a1
+  %t254 = icmp eq ptr %t253, null
+  br i1 %t254, label %panic4936, label %ok4937
+panic4936:
+  call void @finch_panic(ptr @.str.3109, i64 2228, ptr @.str.3110)
+  unreachable
+ok4937:
+  %t255 = getelementptr inbounds %S.gen.Gen, ptr %t253, i32 0, i32 12
+  %t256 = load ptr, ptr %a1
+  %t257 = icmp eq ptr %t256, null
+  br i1 %t257, label %panic4938, label %ok4939
+panic4938:
+  call void @finch_panic(ptr @.str.3111, i64 2228, ptr @.str.3112)
+  unreachable
+ok4939:
+  %t258 = getelementptr inbounds %S.gen.Gen, ptr %t256, i32 0, i32 12
+  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %t258, i32 0, i32 1
+  %t260 = load i64, ptr %t259
+  %t261 = sub i64 %t260, 1
+  %t262 = load { ptr, i64, i64 }, ptr %t255
+  %t263 = extractvalue { ptr, i64, i64 } %t262, 1
+  %t264 = icmp uge i64 %t261, %t263
+  br i1 %t264, label %range4940, label %inrange4941
+range4940:
+  call void @finch_panic_index(ptr @.str.3113, i64 2228, i64 %t261, i64 %t263)
+  unreachable
+inrange4941:
+  %t265 = extractvalue { ptr, i64, i64 } %t262, 0
+  %t266 = getelementptr inbounds %S.gen.Loop, ptr %t265, i64 %t261
+  %t267 = load %S.gen.Loop, ptr %t266
+  store %S.gen.Loop %t267, ptr %a268
+  call void @finch.copy.S_gen_Loop(ptr %a269, ptr %a268)
+  %t270 = load %S.gen.Loop, ptr %a269
+  store %S.gen.Loop %t270, ptr %a271
+  %t272 = load ptr, ptr %a1
+  %t273 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 3
+  %t274 = load i64, ptr %t273
+  call void @finch.gen.dropPending(ptr %t272, i64 %t274)
+  %t275 = load ptr, ptr %a1
+  %t276 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 2
+  %t277 = load i64, ptr %t276
+  call void @finch.gen.unwind(ptr %t275, i64 %t277)
+  %t278 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t278, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.3114, i64 5, i64 0 }, ptr %a280
+  %t281 = call i32 @finch_str_eq(ptr %a279, ptr %a280)
+  %t282 = icmp ne i32 %t281, 0
+  br i1 %t282, label %then4942, label %else4943
+then4942:
+  %t283 = load ptr, ptr %a1
+  %t284 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 1
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  call void @finch.gen.br(ptr %t283, { ptr, i64, i64 } %t285)
+  br label %endif4944
+else4943:
+  %t286 = load ptr, ptr %a1
+  %t287 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 0
+  %t288 = load { ptr, i64, i64 }, ptr %t287
+  call void @finch.gen.br(ptr %t286, { ptr, i64, i64 } %t288)
+  br label %endif4944
+endif4944:
+  call void @finch.drop.S_gen_Loop(ptr %a271)
+  br label %endif4925
+else4924:
+  %t289 = load ptr, ptr %a1
+  %t290 = load %S.ast.Node, ptr %a2
+  %t291 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3115, i64 18, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a292
+  call void @finch.gen.fail(ptr %t289, %S.ast.Node %t290, { ptr, i64, i64 } %t295)
+  store { ptr, i64, i64 } %t295, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  br label %endif4925
+endif4925:
+  br label %endif4891
+endif4891:
+  br label %endif4888
+endif4888:
+  br label %endif4885
+endif4885:
+  br label %endif4882
+endif4882:
+  br label %endif4879
+endif4879:
+  br label %endif4876
+endif4876:
+  br label %endif4873
+endif4873:
+  br label %endif4861
+endif4861:
+  br label %endif4858
+endif4858:
+  br label %endif4855
+endif4855:
+  br label %endif4852
+endif4852:
+  call void @finch_str_drop(ptr %a18)
   ret void
 }
 
@@ -42787,36 +49850,48 @@ entry:
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca %S.ast.Type, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca %S.gen.Val, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca %S.gen.Val, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca %S.gen.Val, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca %S.gen.Val, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca %S.gen.Val, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 6
   %t4 = load i1, ptr %t3
   %t5 = xor i1 %t4, true
-  br i1 %t5, label %then4696, label %endif4698
-then4696:
+  br i1 %t5, label %then4945, label %endif4947
+then4945:
   %t6 = load ptr, ptr %a1
   %t7 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t8 = load { ptr, i64, i64 }, ptr %t7
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 0, %t9
-  br i1 %t10, label %range4699, label %inrange4700
-range4699:
-  call void @finch_panic_index(ptr @.str.3016, i64 2086, i64 0, i64 %t9)
+  br i1 %t10, label %range4948, label %inrange4949
+range4948:
+  call void @finch_panic_index(ptr @.str.3116, i64 2243, i64 0, i64 %t9)
   unreachable
-inrange4700:
+inrange4949:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.ast.Node, ptr %t11, i64 0
   %t13 = load %S.ast.Node, ptr %t12
@@ -42826,190 +49901,222 @@ inrange4700:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %t16, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.3017, i64 4, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.3117, i64 4, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br i1 %t22, label %then4701, label %endif4703
-then4701:
+  br i1 %t22, label %then4950, label %endif4952
+then4950:
   %t23 = load ptr, ptr %a1
   %t24 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t25 = load { ptr, i64, i64 }, ptr %t24
   %t26 = extractvalue { ptr, i64, i64 } %t25, 1
   %t27 = icmp uge i64 0, %t26
-  br i1 %t27, label %range4704, label %inrange4705
-range4704:
-  call void @finch_panic_index(ptr @.str.3018, i64 2088, i64 0, i64 %t26)
+  br i1 %t27, label %range4953, label %inrange4954
+range4953:
+  call void @finch_panic_index(ptr @.str.3118, i64 2245, i64 0, i64 %t26)
   unreachable
-inrange4705:
+inrange4954:
   %t28 = extractvalue { ptr, i64, i64 } %t25, 0
   %t29 = getelementptr inbounds %S.ast.Node, ptr %t28, i64 0
   %t30 = load %S.ast.Node, ptr %t29
-  call void @finch.gen.fail(ptr %t23, %S.ast.Node %t30, { ptr, i64, i64 } { ptr @.str.3019, i64 46, i64 0 })
-  br label %endif4703
-endif4703:
+  call void @finch.gen.fail(ptr %t23, %S.ast.Node %t30, { ptr, i64, i64 } { ptr @.str.3119, i64 46, i64 0 })
+  br label %endif4952
+endif4952:
   %t31 = getelementptr inbounds %S.gen.Val, ptr %a15, i32 0, i32 1
   %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i32 0, i32 0
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3020, i64 4, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3120, i64 4, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then4706, label %endif4708
-then4706:
+  br i1 %t37, label %then4955, label %endif4957
+then4955:
   %t38 = load ptr, ptr %a1
   %t39 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t40 = load { ptr, i64, i64 }, ptr %t39
   %t41 = extractvalue { ptr, i64, i64 } %t40, 1
   %t42 = icmp uge i64 0, %t41
-  br i1 %t42, label %range4709, label %inrange4710
-range4709:
-  call void @finch_panic_index(ptr @.str.3021, i64 2091, i64 0, i64 %t41)
+  br i1 %t42, label %range4958, label %inrange4959
+range4958:
+  call void @finch_panic_index(ptr @.str.3121, i64 2248, i64 0, i64 %t41)
   unreachable
-inrange4710:
+inrange4959:
   %t43 = extractvalue { ptr, i64, i64 } %t40, 0
   %t44 = getelementptr inbounds %S.ast.Node, ptr %t43, i64 0
   %t45 = load %S.ast.Node, ptr %t44
   %t46 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t47 = load { ptr, i64, i64 }, ptr %t46
-  store { ptr, i64, i64 } { ptr @.str.3022, i64 34, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.3122, i64 34, i64 0 }, ptr %a49
   store { ptr, i64, i64 } %t47, ptr %a50
   call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
   %t51 = load { ptr, i64, i64 }, ptr %a48
   store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.3023, i64 7, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.3123, i64 7, i64 0 }, ptr %a54
   call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.fail(ptr %t38, %S.ast.Node %t45, { ptr, i64, i64 } %t55)
-  br label %endif4708
-endif4708:
-  %t56 = load ptr, ptr %a1
-  %t57 = load %S.ast.Node, ptr %a2
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = getelementptr inbounds %S.gen.Val, ptr %a15, i32 0, i32 1
-  %t61 = load %S.ast.Type, ptr %t60
-  %t62 = load ptr, ptr %a1
-  %t63 = load %S.gen.Val, ptr %a15
-  %t64 = call { ptr, i64, i64 } @finch.gen.own(ptr %t62, %S.gen.Val %t63)
-  %t65 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t59, %S.ast.Type %t61, { ptr, i64, i64 } %t64, i1 false)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch.gen.fail(ptr %t38, %S.ast.Node %t45, { ptr, i64, i64 } %t56)
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  br label %endif4957
+endif4957:
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Node, ptr %a2
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = getelementptr inbounds %S.gen.Val, ptr %a15, i32 0, i32 1
+  %t63 = load %S.ast.Type, ptr %t62
+  %t64 = load ptr, ptr %a1
+  %t65 = load %S.gen.Val, ptr %a15
+  %t66 = call { ptr, i64, i64 } @finch.gen.own(ptr %t64, %S.gen.Val %t65)
+  %t67 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t58, %S.ast.Node %t59, { ptr, i64, i64 } %t61, %S.ast.Type %t63, { ptr, i64, i64 } %t66, i1 false, i1 true)
+  store { ptr, i64, i64 } %t66, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  store { ptr, i64, i64 } %t67, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  call void @finch.drop.S_gen_Val(ptr %a15)
   ret void
-endif4698:
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t68 = load %S.ast.Type, ptr %t67
-  %t69 = load %S.ast.Node, ptr %a2
-  %t70 = call %S.ast.Type @finch.gen.resolve(ptr %t66, %S.ast.Type %t68, %S.ast.Node %t69)
-  store %S.ast.Type %t70, ptr %a71
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i32 0, i32 1
-  %t74 = load i64, ptr %t73
-  %t75 = icmp eq i64 %t74, 0
-  br i1 %t75, label %then4711, label %endif4713
-then4711:
-  %t76 = getelementptr inbounds %S.ast.Type, ptr %a71, i32 0, i32 0
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.3024, i64 6, i64 0 }, ptr %a79
-  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
-  %t81 = icmp ne i32 %t80, 0
-  br label %logic.from4714
-logic.from4714:
-  br i1 %t81, label %logic.rhs4715, label %logic.end4716
-logic.rhs4715:
-  %t82 = load ptr, ptr %a1
-  %t83 = load %S.ast.Type, ptr %a71
-  %t84 = call i1 @finch.gen.hasDefaults(ptr %t82, %S.ast.Type %t83)
-  br label %logic.rend4717
-logic.rend4717:
-  br label %logic.end4716
-logic.end4716:
-  %t85 = phi i1 [ false, %logic.from4714 ], [ %t84, %logic.rend4717 ]
-  br i1 %t85, label %then4718, label %endif4720
-then4718:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a86
-  store { ptr, i64, i64 } zeroinitializer, ptr %a87
-  %t88 = load ptr, ptr %a1
-  %t89 = load ptr, ptr %a1
-  %t90 = getelementptr inbounds %S.ast.Type, ptr %a71, i32 0, i32 3
-  %t91 = load { ptr, i64, i64 }, ptr %t90
-  %t92 = getelementptr inbounds %S.ast.Type, ptr %a71, i32 0, i32 2
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  %t94 = call i64 @finch.gen.findStruct(ptr %t89, { ptr, i64, i64 } %t91, { ptr, i64, i64 } %t93)
-  %t95 = load { ptr, i64, i64 }, ptr %a86
-  %t96 = load { ptr, i64, i64 }, ptr %a87
-  %t97 = load %S.ast.Node, ptr %a2
-  %t98 = call %S.gen.Val @finch.gen.construct(ptr %t88, i64 %t94, { ptr, i64, i64 } %t95, { ptr, i64, i64 } %t96, %S.ast.Node %t97)
-  store %S.gen.Val %t98, ptr %a99
-  %t100 = load ptr, ptr %a1
+endif4947:
+  %t70 = load ptr, ptr %a1
+  %t71 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t72 = load %S.ast.Type, ptr %t71
+  %t73 = load %S.ast.Node, ptr %a2
+  %t74 = call %S.ast.Type @finch.gen.resolve(ptr %t70, %S.ast.Type %t72, %S.ast.Node %t73)
+  store %S.ast.Type %t74, ptr %a75
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = load i64, ptr %t77
+  %t79 = icmp eq i64 %t78, 0
+  br i1 %t79, label %then4960, label %endif4962
+then4960:
+  %t80 = getelementptr inbounds %S.ast.Type, ptr %a75, i32 0, i32 0
+  %t81 = load { ptr, i64, i64 }, ptr %t80
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.3124, i64 6, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br label %logic.from4963
+logic.from4963:
+  br i1 %t85, label %logic.rhs4964, label %logic.end4965
+logic.rhs4964:
+  %t86 = load ptr, ptr %a1
+  %t87 = load %S.ast.Type, ptr %a75
+  %t88 = call i1 @finch.gen.hasDefaults(ptr %t86, %S.ast.Type %t87)
+  br label %logic.rend4966
+logic.rend4966:
+  br label %logic.end4965
+logic.end4965:
+  %t89 = phi i1 [ false, %logic.from4963 ], [ %t88, %logic.rend4966 ]
+  br i1 %t89, label %then4967, label %endif4969
+then4967:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a90
+  store { ptr, i64, i64 } zeroinitializer, ptr %a91
+  %t92 = load ptr, ptr %a1
+  %t93 = load ptr, ptr %a1
+  %t94 = getelementptr inbounds %S.ast.Type, ptr %a75, i32 0, i32 3
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  %t96 = getelementptr inbounds %S.ast.Type, ptr %a75, i32 0, i32 2
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  %t98 = call i64 @finch.gen.findStruct(ptr %t93, { ptr, i64, i64 } %t95, { ptr, i64, i64 } %t97)
+  %t99 = load { ptr, i64, i64 }, ptr %a90
+  %t100 = load { ptr, i64, i64 }, ptr %a91
   %t101 = load %S.ast.Node, ptr %a2
-  %t102 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  %t104 = load %S.ast.Type, ptr %a71
-  %t105 = getelementptr inbounds %S.gen.Val, ptr %a99, i32 0, i32 0
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  %t107 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t100, %S.ast.Node %t101, { ptr, i64, i64 } %t103, %S.ast.Type %t104, { ptr, i64, i64 } %t106, i1 false)
+  %t102 = call %S.gen.Val @finch.gen.construct(ptr %t92, i64 %t98, { ptr, i64, i64 } %t99, { ptr, i64, i64 } %t100, %S.ast.Node %t101)
+  store %S.gen.Val %t102, ptr %a103
+  %t104 = load ptr, ptr %a1
+  %t105 = load %S.ast.Node, ptr %a2
+  %t106 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  %t108 = load %S.ast.Type, ptr %a75
+  %t109 = getelementptr inbounds %S.gen.Val, ptr %a103, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  %t111 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t104, %S.ast.Node %t105, { ptr, i64, i64 } %t107, %S.ast.Type %t108, { ptr, i64, i64 } %t110, i1 false, i1 true)
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  call void @finch.drop.S_gen_Val(ptr %a103)
+  call void @finch.drop.arr_str(ptr %a91)
+  call void @finch.drop.arr_S_ast_Node(ptr %a90)
+  call void @finch.drop.S_ast_Type(ptr %a75)
   ret void
-endif4720:
-  %t108 = load ptr, ptr %a1
-  %t109 = load %S.ast.Node, ptr %a2
-  %t110 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  %t112 = load %S.ast.Type, ptr %a71
-  %t113 = load %S.ast.Type, ptr %a71
-  %t114 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t113)
-  %t115 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t108, %S.ast.Node %t109, { ptr, i64, i64 } %t111, %S.ast.Type %t112, { ptr, i64, i64 } %t114, i1 false)
+endif4969:
+  %t113 = load ptr, ptr %a1
+  %t114 = load %S.ast.Node, ptr %a2
+  %t115 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  %t117 = load %S.ast.Type, ptr %a75
+  %t118 = load %S.ast.Type, ptr %a75
+  %t119 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t118)
+  %t120 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t113, %S.ast.Node %t114, { ptr, i64, i64 } %t116, %S.ast.Type %t117, { ptr, i64, i64 } %t119, i1 false, i1 true)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t120, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  call void @finch.drop.S_ast_Type(ptr %a75)
   ret void
-endif4713:
-  %t116 = load ptr, ptr %a1
-  %t117 = load ptr, ptr %a1
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 0, %t120
-  br i1 %t121, label %range4721, label %inrange4722
-range4721:
-  call void @finch_panic_index(ptr @.str.3025, i64 2108, i64 0, i64 %t120)
+endif4962:
+  %t123 = load ptr, ptr %a1
+  %t124 = load ptr, ptr %a1
+  %t125 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  %t127 = extractvalue { ptr, i64, i64 } %t126, 1
+  %t128 = icmp uge i64 0, %t127
+  br i1 %t128, label %range4970, label %inrange4971
+range4970:
+  call void @finch_panic_index(ptr @.str.3125, i64 2265, i64 0, i64 %t127)
   unreachable
-inrange4722:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %t122, i64 0
-  %t124 = load %S.ast.Node, ptr %t123
-  %t125 = load %S.ast.Type, ptr %a71
-  %t126 = call %S.gen.Val @finch.gen.exprWant(ptr %t117, %S.ast.Node %t124, %S.ast.Type %t125)
-  %t127 = load %S.ast.Type, ptr %a71
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  %t130 = extractvalue { ptr, i64, i64 } %t129, 1
-  %t131 = icmp uge i64 0, %t130
-  br i1 %t131, label %range4723, label %inrange4724
-range4723:
-  call void @finch_panic_index(ptr @.str.3026, i64 2108, i64 0, i64 %t130)
-  unreachable
-inrange4724:
-  %t132 = extractvalue { ptr, i64, i64 } %t129, 0
-  %t133 = getelementptr inbounds %S.ast.Node, ptr %t132, i64 0
-  %t134 = load %S.ast.Node, ptr %t133
-  %t135 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+inrange4971:
+  %t129 = extractvalue { ptr, i64, i64 } %t126, 0
+  %t130 = getelementptr inbounds %S.ast.Node, ptr %t129, i64 0
+  %t131 = load %S.ast.Node, ptr %t130
+  %t132 = load %S.ast.Type, ptr %a75
+  %t133 = call %S.gen.Val @finch.gen.exprWant(ptr %t124, %S.ast.Node %t131, %S.ast.Type %t132)
+  %t134 = load %S.ast.Type, ptr %a75
+  %t135 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t136 = load { ptr, i64, i64 }, ptr %t135
-  store { ptr, i64, i64 } { ptr @.str.3027, i64 1, i64 0 }, ptr %a138
-  store { ptr, i64, i64 } %t136, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t140, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.3028, i64 1, i64 0 }, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  %t145 = call %S.gen.Val @finch.gen.coerce(ptr %t116, %S.gen.Val %t126, %S.ast.Type %t127, %S.ast.Node %t134, { ptr, i64, i64 } %t144)
-  store %S.gen.Val %t145, ptr %a146
-  %t147 = load ptr, ptr %a1
-  %t148 = load %S.ast.Node, ptr %a2
-  %t149 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t150 = load { ptr, i64, i64 }, ptr %t149
-  %t151 = load %S.ast.Type, ptr %a71
-  %t152 = load ptr, ptr %a1
-  %t153 = load %S.gen.Val, ptr %a146
-  %t154 = call { ptr, i64, i64 } @finch.gen.own(ptr %t152, %S.gen.Val %t153)
-  %t155 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t147, %S.ast.Node %t148, { ptr, i64, i64 } %t150, %S.ast.Type %t151, { ptr, i64, i64 } %t154, i1 false)
+  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
+  %t138 = icmp uge i64 0, %t137
+  br i1 %t138, label %range4972, label %inrange4973
+range4972:
+  call void @finch_panic_index(ptr @.str.3126, i64 2265, i64 0, i64 %t137)
+  unreachable
+inrange4973:
+  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
+  %t140 = getelementptr inbounds %S.ast.Node, ptr %t139, i64 0
+  %t141 = load %S.ast.Node, ptr %t140
+  %t142 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t143 = load { ptr, i64, i64 }, ptr %t142
+  store { ptr, i64, i64 } { ptr @.str.3127, i64 1, i64 0 }, ptr %a145
+  store { ptr, i64, i64 } %t143, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a144
+  store { ptr, i64, i64 } %t147, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.3128, i64 1, i64 0 }, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
+  store { ptr, i64, i64 } %t147, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  %t153 = call %S.gen.Val @finch.gen.coerce(ptr %t123, %S.gen.Val %t133, %S.ast.Type %t134, %S.ast.Node %t141, { ptr, i64, i64 } %t152)
+  store %S.gen.Val %t133, ptr %a154
+  call void @finch.drop.S_gen_Val(ptr %a154)
+  store { ptr, i64, i64 } %t152, ptr %a155
+  call void @finch_str_drop(ptr %a155)
+  store %S.gen.Val %t153, ptr %a156
+  %t157 = load ptr, ptr %a1
+  %t158 = load %S.ast.Node, ptr %a2
+  %t159 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t160 = load { ptr, i64, i64 }, ptr %t159
+  %t161 = load %S.ast.Type, ptr %a75
+  %t162 = load ptr, ptr %a1
+  %t163 = load %S.gen.Val, ptr %a156
+  %t164 = call { ptr, i64, i64 } @finch.gen.own(ptr %t162, %S.gen.Val %t163)
+  %t165 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t157, %S.ast.Node %t158, { ptr, i64, i64 } %t160, %S.ast.Type %t161, { ptr, i64, i64 } %t164, i1 false, i1 true)
+  store { ptr, i64, i64 } %t164, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  store { ptr, i64, i64 } %t165, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  call void @finch.drop.S_gen_Val(ptr %a156)
+  call void @finch.drop.S_ast_Type(ptr %a75)
   ret void
 }
 
@@ -43026,12 +50133,12 @@ entry:
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4725, label %ok4726
-panic4725:
-  call void @finch_panic(ptr @.str.3029, i64 2113, ptr @.str.3030)
+  br i1 %t4, label %panic4974, label %ok4975
+panic4974:
+  call void @finch_panic(ptr @.str.3129, i64 2270, ptr @.str.3130)
   unreachable
-ok4726:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 15
+ok4975:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 16
   %t6 = load ptr, ptr %a1
   %t7 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t8 = load { ptr, i64, i64 }, ptr %t7
@@ -43041,11 +50148,11 @@ ok4726:
   %t12 = load { ptr, i64, i64 }, ptr %t5
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range4727, label %inrange4728
-range4727:
-  call void @finch_panic_index(ptr @.str.3031, i64 2113, i64 %t11, i64 %t13)
+  br i1 %t14, label %range4976, label %inrange4977
+range4976:
+  call void @finch_panic_index(ptr @.str.3131, i64 2270, i64 %t11, i64 %t13)
   unreachable
-inrange4728:
+inrange4977:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.gen.StructDef, ptr %t15, i64 %t11
   %t17 = load %S.gen.StructDef, ptr %t16
@@ -43055,28 +50162,29 @@ inrange4728:
   store %S.gen.StructDef %t20, ptr %a21
   %t22 = getelementptr inbounds %S.gen.StructDef, ptr %a21, i32 0, i32 2
   %t23 = load i1, ptr %t22
-  br i1 %t23, label %then4729, label %endif4731
-then4729:
+  br i1 %t23, label %then4978, label %endif4980
+then4978:
+  call void @finch.drop.S_gen_StructDef(ptr %a21)
   ret i1 false
-endif4731:
+endif4980:
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic4732, label %ok4733
-panic4732:
-  call void @finch_panic(ptr @.str.3032, i64 2117, ptr @.str.3033)
+  br i1 %t25, label %panic4981, label %ok4982
+panic4981:
+  call void @finch_panic(ptr @.str.3132, i64 2274, ptr @.str.3133)
   unreachable
-ok4733:
+ok4982:
   %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds %S.gen.StructDef, ptr %a21, i32 0, i32 13
   %t28 = load i64, ptr %t27
   %t29 = load { ptr, i64, i64 }, ptr %t26
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 %t28, %t30
-  br i1 %t31, label %range4734, label %inrange4735
-range4734:
-  call void @finch_panic_index(ptr @.str.3034, i64 2117, i64 %t28, i64 %t30)
+  br i1 %t31, label %range4983, label %inrange4984
+range4983:
+  call void @finch_panic_index(ptr @.str.3134, i64 2274, i64 %t28, i64 %t30)
   unreachable
-inrange4735:
+inrange4984:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.ast.Program, ptr %t32, i64 %t28
   %t34 = getelementptr inbounds %S.ast.Program, ptr %t33, i32 0, i32 6
@@ -43085,23 +50193,23 @@ inrange4735:
   %t37 = load { ptr, i64, i64 }, ptr %t34
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range4736, label %inrange4737
-range4736:
-  call void @finch_panic_index(ptr @.str.3035, i64 2117, i64 %t36, i64 %t38)
+  br i1 %t39, label %range4985, label %inrange4986
+range4985:
+  call void @finch_panic_index(ptr @.str.3135, i64 2274, i64 %t36, i64 %t38)
   unreachable
-inrange4737:
+inrange4986:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t36
   %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i32 0, i32 9
   store i64 0, ptr %a43
-  br label %each.cond4738
-each.cond4738:
+  br label %each.cond4987
+each.cond4987:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
   %t45 = load i64, ptr %t44
   %t46 = load i64, ptr %a43
   %t47 = icmp slt i64 %t46, %t45
-  br i1 %t47, label %each.body4739, label %each.end4741
-each.body4739:
+  br i1 %t47, label %each.body4988, label %each.end4990
+each.body4988:
   %t48 = load ptr, ptr %t42
   %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 %t46
   %t50 = load %S.ast.Node, ptr %t49
@@ -43110,20 +50218,32 @@ each.body4739:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i32 0, i32 1
   %t54 = load i64, ptr %t53
   %t55 = icmp sgt i64 %t54, 0
-  br i1 %t55, label %then4742, label %endif4744
-then4742:
+  br i1 %t55, label %then4991, label %endif4993
+then4991:
+  call void @finch.drop.S_gen_StructDef(ptr %a21)
   ret i1 true
-endif4744:
-  br label %each.step4740
-each.step4740:
+endif4993:
+  br label %each.step4989
+each.step4989:
   %t56 = load i64, ptr %a43
   %t57 = add i64 %t56, 1
   store i64 %t57, ptr %a43
-  br label %each.cond4738
-each.end4741:
+  br label %each.cond4987
+each.end4990:
+  call void @finch.drop.S_gen_StructDef(ptr %a21)
   ret i1 false
 }
 
+define internal void @finch.drop.S_gen_Place(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Place, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Place, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
+}
+
 define internal void @finch.gen.assignStmt(ptr %p0, %S.ast.Node %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -43141,51 +50261,83 @@ entry:
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca %S.gen.Var, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca %S.gen.Val, align 16
-  %a106 = alloca %S.gen.Place, align 16
-  %a139 = alloca %S.gen.Val, align 16
-  %a143 = alloca %S.gen.Place, align 16
-  %a155 = alloca %S.ast.Type, align 16
-  %a156 = alloca %S.ast.Type, align 16
-  %a159 = alloca %S.gen.Val, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca %S.gen.Val, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca %S.ast.Type, align 16
+  %a105 = alloca i1, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca i64, align 16
+  %a122 = alloca %S.ast.Type, align 16
+  %a123 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.gen.Var, align 16
+  %a127 = alloca %S.ast.Type, align 16
+  %a128 = alloca %S.gen.Val, align 16
+  %a141 = alloca %S.gen.Val, align 16
+  %a152 = alloca %S.gen.Val, align 16
+  %a158 = alloca i64, align 16
+  %a164 = alloca %S.gen.Place, align 16
+  %a179 = alloca %S.gen.Val, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca %S.gen.Val, align 16
+  %a237 = alloca i64, align 16
+  %a243 = alloca %S.gen.Place, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca %S.ast.Type, align 16
+  %a257 = alloca %S.ast.Type, align 16
+  %a260 = alloca %S.gen.Val, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca %S.gen.Val, align 16
+  %a280 = alloca %S.gen.Val, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t4 = load { ptr, i64, i64 }, ptr %t3
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 0, %t5
-  br i1 %t6, label %range4745, label %inrange4746
-range4745:
-  call void @finch_panic_index(ptr @.str.3036, i64 2126, i64 0, i64 %t5)
+  br i1 %t6, label %range4994, label %inrange4995
+range4994:
+  call void @finch_panic_index(ptr @.str.3136, i64 2283, i64 0, i64 %t5)
   unreachable
-inrange4746:
+inrange4995:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds %S.ast.Node, ptr %t7, i64 0
   %t9 = load %S.ast.Node, ptr %t8
@@ -43199,232 +50351,435 @@ inrange4746:
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a16, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = icmp sgt i64 %t18, 0
-  br i1 %t19, label %then4747, label %endif4749
-then4747:
+  br i1 %t19, label %then4996, label %endif4998
+then4996:
   %t20 = load ptr, ptr %a1
   %t21 = load { ptr, i64, i64 }, ptr %a16
   %t22 = call i64 @finch.gen.lookup(ptr %t20, { ptr, i64, i64 } %t21)
   store i64 %t22, ptr %a23
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, 0
-  br label %logic.from4750
-logic.from4750:
-  br i1 %t25, label %logic.rhs4751, label %logic.end4752
-logic.rhs4751:
+  br label %logic.from4999
+logic.from4999:
+  br i1 %t25, label %logic.rhs5000, label %logic.end5001
+logic.rhs5000:
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.3037, i64 3, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.3137, i64 3, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend4753
-logic.rend4753:
-  br label %logic.end4752
-logic.end4752:
-  %t32 = phi i1 [ false, %logic.from4750 ], [ %t31, %logic.rend4753 ]
-  br i1 %t32, label %then4754, label %endif4756
-then4754:
+  br label %logic.rend5002
+logic.rend5002:
+  br label %logic.end5001
+logic.end5001:
+  %t32 = phi i1 [ false, %logic.from4999 ], [ %t31, %logic.rend5002 ]
+  br i1 %t32, label %then5003, label %endif5005
+then5003:
   %t33 = load ptr, ptr %a1
   %t34 = load %S.ast.Node, ptr %a2
   %t35 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3038, i64 28, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.3138, i64 28, i64 0 }, ptr %a37
   store { ptr, i64, i64 } %t35, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
   %t39 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t39, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.3039, i64 18, i64 0 }, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.3139, i64 18, i64 0 }, ptr %a42
   call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  %t44 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t43, ptr %a46
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load { ptr, i64, i64 }, ptr %a16
   store { ptr, i64, i64 } %t44, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } %t48, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.3040, i64 8, i64 0 }, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } %t52)
-  br label %endif4756
-endif4756:
-  %t53 = load i64, ptr %a23
-  %t54 = icmp sge i64 %t53, 0
-  br label %logic.from4757
-logic.from4757:
-  br i1 %t54, label %logic.rhs4758, label %logic.end4759
-logic.rhs4758:
-  %t55 = load ptr, ptr %a1
-  %t56 = load i64, ptr %a23
-  %t57 = call %S.gen.Var @finch.gen.varAt(ptr %t55, i64 %t56)
-  %t58 = extractvalue %S.gen.Var %t57, 3
-  br label %logic.rend4760
-logic.rend4760:
-  br label %logic.end4759
-logic.end4759:
-  %t59 = phi i1 [ false, %logic.from4757 ], [ %t58, %logic.rend4760 ]
-  br i1 %t59, label %then4761, label %endif4763
-then4761:
-  %t60 = load ptr, ptr %a1
-  %t61 = load %S.ast.Node, ptr %a2
-  %t62 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3041, i64 19, i64 0 }, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.3042, i64 18, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  call void @finch.gen.fail(ptr %t60, %S.ast.Node %t61, { ptr, i64, i64 } %t70)
-  br label %endif4763
-endif4763:
-  br label %endif4749
-endif4749:
-  store { ptr, i64, i64 } { ptr @.str.3043, i64 9, i64 0 }, ptr %a71
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.3044, i64 3, i64 0 }, ptr %a75
-  %t76 = call i32 @finch_str_eq(ptr %a74, ptr %a75)
-  %t77 = icmp ne i32 %t76, 0
-  br i1 %t77, label %then4764, label %endif4766
-then4764:
-  %t78 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3045, i64 1, i64 0 }, ptr %a80
-  store { ptr, i64, i64 } %t78, ptr %a81
-  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
-  %t82 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t82, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.3046, i64 1, i64 0 }, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a71
-  br label %endif4766
-endif4766:
-  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t88 = load { ptr, i64, i64 }, ptr %t87
-  store { ptr, i64, i64 } %t88, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.3047, i64 1, i64 0 }, ptr %a90
-  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
-  %t92 = icmp ne i32 %t91, 0
-  br i1 %t92, label %then4767, label %endif4769
-then4767:
-  %t93 = load ptr, ptr %a1
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
-  %t97 = icmp uge i64 1, %t96
-  br i1 %t97, label %range4770, label %inrange4771
-range4770:
-  call void @finch_panic_index(ptr @.str.3048, i64 2142, i64 1, i64 %t96)
-  unreachable
-inrange4771:
-  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
-  %t99 = getelementptr inbounds %S.ast.Node, ptr %t98, i64 1
-  %t100 = load %S.ast.Node, ptr %t99
-  %t101 = call %S.gen.Val @finch.gen.expr(ptr %t93, %S.ast.Node %t100)
-  store %S.gen.Val %t101, ptr %a102
-  %t103 = load ptr, ptr %a1
-  %t104 = load %S.ast.Node, ptr %a13
-  %t105 = call %S.gen.Place @finch.gen.place(ptr %t103, %S.ast.Node %t104, i1 true)
-  store %S.gen.Place %t105, ptr %a106
-  %t107 = load ptr, ptr %a1
-  %t108 = load %S.gen.Val, ptr %a102
-  %t109 = getelementptr inbounds %S.gen.Place, ptr %a106, i32 0, i32 1
-  %t110 = load %S.ast.Type, ptr %t109
-  %t111 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t112 = load { ptr, i64, i64 }, ptr %t111
-  %t113 = extractvalue { ptr, i64, i64 } %t112, 1
-  %t114 = icmp uge i64 1, %t113
-  br i1 %t114, label %range4772, label %inrange4773
-range4772:
-  call void @finch_panic_index(ptr @.str.3049, i64 2144, i64 1, i64 %t113)
-  unreachable
-inrange4773:
-  %t115 = extractvalue { ptr, i64, i64 } %t112, 0
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %t115, i64 1
-  %t117 = load %S.ast.Node, ptr %t116
-  %t118 = load { ptr, i64, i64 }, ptr %a71
-  %t119 = call %S.gen.Val @finch.gen.coerce(ptr %t107, %S.gen.Val %t108, %S.ast.Type %t110, %S.ast.Node %t117, { ptr, i64, i64 } %t118)
-  store %S.gen.Val %t119, ptr %a102
-  %t120 = load ptr, ptr %a1
-  %t121 = load ptr, ptr %a1
-  %t122 = getelementptr inbounds %S.gen.Place, ptr %a106, i32 0, i32 1
-  %t123 = load %S.ast.Type, ptr %t122
-  %t124 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t121, %S.ast.Type %t123)
-  %t125 = load ptr, ptr %a1
-  %t126 = load %S.gen.Val, ptr %a102
-  %t127 = call { ptr, i64, i64 } @finch.gen.own(ptr %t125, %S.gen.Val %t126)
-  %t128 = getelementptr inbounds %S.gen.Place, ptr %a106, i32 0, i32 0
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  call void @finch.gen.store(ptr %t120, { ptr, i64, i64 } %t124, { ptr, i64, i64 } %t127, { ptr, i64, i64 } %t129)
-  ret void
-endif4769:
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t44, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3140, i64 8, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  br label %endif5005
+endif5005:
+  %t57 = load i64, ptr %a23
+  %t58 = icmp sge i64 %t57, 0
+  br label %logic.from5006
+logic.from5006:
+  br i1 %t58, label %logic.rhs5007, label %logic.end5008
+logic.rhs5007:
+  %t59 = load ptr, ptr %a1
+  %t60 = load i64, ptr %a23
+  %t61 = call %S.gen.Var @finch.gen.varAt(ptr %t59, i64 %t60)
+  %t62 = extractvalue %S.gen.Var %t61, 3
+  store %S.gen.Var %t61, ptr %a63
+  call void @finch.drop.S_gen_Var(ptr %a63)
+  br label %logic.rend5009
+logic.rend5009:
+  br label %logic.end5008
+logic.end5008:
+  %t64 = phi i1 [ false, %logic.from5006 ], [ %t62, %logic.rend5009 ]
+  br i1 %t64, label %then5010, label %endif5012
+then5010:
+  %t65 = load ptr, ptr %a1
+  %t66 = load %S.ast.Node, ptr %a2
+  %t67 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3141, i64 19, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } %t67, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.3142, i64 18, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.fail(ptr %t65, %S.ast.Node %t66, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  br label %endif5012
+endif5012:
+  br label %endif4998
+endif4998:
+  store { ptr, i64, i64 } { ptr @.str.3143, i64 9, i64 0 }, ptr %a78
+  %t79 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t80, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3144, i64 3, i64 0 }, ptr %a82
+  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
+  %t84 = icmp ne i32 %t83, 0
+  br i1 %t84, label %then5013, label %endif5015
+then5013:
+  %t85 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3145, i64 1, i64 0 }, ptr %a87
+  store { ptr, i64, i64 } %t85, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.3146, i64 1, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  %t95 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t94, ptr %a78
+  store { ptr, i64, i64 } %t95, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  br label %endif5015
+endif5015:
+  %t97 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t98 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t98, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.3147, i64 1, i64 0 }, ptr %a100
+  %t101 = call i32 @finch_str_eq(ptr %a99, ptr %a100)
+  %t102 = icmp ne i32 %t101, 0
+  br i1 %t102, label %then5016, label %endif5018
+then5016:
+  %t103 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3148, i64 4, i64 0 })
+  store %S.ast.Type %t103, ptr %a104
+  store i1 false, ptr %a105
+  %t106 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t107, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.3149, i64 3, i64 0 }, ptr %a109
+  %t110 = call i32 @finch_str_eq(ptr %a108, ptr %a109)
+  %t111 = icmp ne i32 %t110, 0
+  br i1 %t111, label %then5019, label %endif5021
+then5019:
+  %t112 = load ptr, ptr %a1
+  %t113 = load { ptr, i64, i64 }, ptr %a16
+  %t114 = call i64 @finch.gen.lookup(ptr %t112, { ptr, i64, i64 } %t113)
+  store i64 %t114, ptr %a115
+  %t116 = load i64, ptr %a115
+  %t117 = icmp sge i64 %t116, 0
+  br i1 %t117, label %then5022, label %endif5024
+then5022:
+  %t118 = load ptr, ptr %a1
+  %t119 = load i64, ptr %a115
+  %t120 = call %S.gen.Var @finch.gen.varAt(ptr %t118, i64 %t119)
+  %t121 = extractvalue %S.gen.Var %t120, 1
+  store %S.ast.Type %t121, ptr %a122
+  call void @finch.copy.S_ast_Type(ptr %a123, ptr %a122)
+  %t124 = load %S.ast.Type, ptr %a123
+  store %S.gen.Var %t120, ptr %a125
+  call void @finch.drop.S_gen_Var(ptr %a125)
+  %t126 = load %S.ast.Type, ptr %a104
+  store %S.ast.Type %t124, ptr %a104
+  store %S.ast.Type %t126, ptr %a127
+  call void @finch.drop.S_ast_Type(ptr %a127)
+  store i1 true, ptr %a105
+  br label %endif5024
+endif5024:
+  br label %endif5021
+endif5021:
+  store %S.gen.Val zeroinitializer, ptr %a128
+  %t129 = load i1, ptr %a105
+  br i1 %t129, label %then5025, label %else5026
+then5025:
   %t130 = load ptr, ptr %a1
   %t131 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t132 = load { ptr, i64, i64 }, ptr %t131
   %t133 = extractvalue { ptr, i64, i64 } %t132, 1
   %t134 = icmp uge i64 1, %t133
-  br i1 %t134, label %range4774, label %inrange4775
-range4774:
-  call void @finch_panic_index(ptr @.str.3050, i64 2148, i64 1, i64 %t133)
+  br i1 %t134, label %range5028, label %inrange5029
+range5028:
+  call void @finch_panic_index(ptr @.str.3150, i64 2311, i64 1, i64 %t133)
   unreachable
-inrange4775:
+inrange5029:
   %t135 = extractvalue { ptr, i64, i64 } %t132, 0
   %t136 = getelementptr inbounds %S.ast.Node, ptr %t135, i64 1
   %t137 = load %S.ast.Node, ptr %t136
-  %t138 = call %S.gen.Val @finch.gen.expr(ptr %t130, %S.ast.Node %t137)
-  store %S.gen.Val %t138, ptr %a139
-  %t140 = load ptr, ptr %a1
-  %t141 = load %S.ast.Node, ptr %a13
-  %t142 = call %S.gen.Place @finch.gen.place(ptr %t140, %S.ast.Node %t141, i1 true)
-  store %S.gen.Place %t142, ptr %a143
-  %t144 = load ptr, ptr %a1
-  %t145 = load ptr, ptr %a1
-  %t146 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t147 = load %S.ast.Type, ptr %t146
-  %t148 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t145, %S.ast.Type %t147)
-  %t149 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 0
-  %t150 = load { ptr, i64, i64 }, ptr %t149
-  %t151 = call { ptr, i64, i64 } @finch.gen.load(ptr %t144, { ptr, i64, i64 } %t148, { ptr, i64, i64 } %t150)
-  %t152 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t151, 0
-  %t153 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t154 = load %S.ast.Type, ptr %t153
-  store %S.ast.Type %t154, ptr %a155
-  call void @finch.copy.S_ast_Type(ptr %a156, ptr %a155)
-  %t157 = load %S.ast.Type, ptr %a156
-  %t158 = insertvalue %S.gen.Val %t152, %S.ast.Type %t157, 1
-  store %S.gen.Val %t158, ptr %a159
-  %t160 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t161 = load { ptr, i64, i64 }, ptr %t160
-  store { ptr, i64, i64 } %t161, ptr %a162
-  call void @finch_str_sub(ptr %a163, ptr %a162, i64 0, i64 1, ptr @.str.3051, i64 2151)
-  %t164 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t164, ptr %a165
-  %t166 = load ptr, ptr %a1
-  %t167 = load ptr, ptr %a1
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  %t169 = load %S.gen.Val, ptr %a159
-  %t170 = load %S.gen.Val, ptr %a139
-  %t171 = load %S.ast.Node, ptr %a2
-  %t172 = call %S.gen.Val @finch.gen.arith(ptr %t167, { ptr, i64, i64 } %t168, %S.gen.Val %t169, %S.gen.Val %t170, %S.ast.Node %t171)
-  %t173 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t174 = load %S.ast.Type, ptr %t173
-  %t175 = load %S.ast.Node, ptr %a2
-  %t176 = load { ptr, i64, i64 }, ptr %a71
-  %t177 = call %S.gen.Val @finch.gen.coerce(ptr %t166, %S.gen.Val %t172, %S.ast.Type %t174, %S.ast.Node %t175, { ptr, i64, i64 } %t176)
-  store %S.gen.Val %t177, ptr %a178
-  %t179 = load ptr, ptr %a1
+  %t138 = load %S.ast.Type, ptr %a104
+  %t139 = call %S.gen.Val @finch.gen.exprWant(ptr %t130, %S.ast.Node %t137, %S.ast.Type %t138)
+  %t140 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t139, ptr %a128
+  store %S.gen.Val %t140, ptr %a141
+  call void @finch.drop.S_gen_Val(ptr %a141)
+  br label %endif5027
+else5026:
+  %t142 = load ptr, ptr %a1
+  %t143 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t144 = load { ptr, i64, i64 }, ptr %t143
+  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
+  %t146 = icmp uge i64 1, %t145
+  br i1 %t146, label %range5030, label %inrange5031
+range5030:
+  call void @finch_panic_index(ptr @.str.3151, i64 2313, i64 1, i64 %t145)
+  unreachable
+inrange5031:
+  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
+  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 1
+  %t149 = load %S.ast.Node, ptr %t148
+  %t150 = call %S.gen.Val @finch.gen.expr(ptr %t142, %S.ast.Node %t149)
+  %t151 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t150, ptr %a128
+  store %S.gen.Val %t151, ptr %a152
+  call void @finch.drop.S_gen_Val(ptr %a152)
+  br label %endif5027
+endif5027:
+  %t153 = load ptr, ptr %a1
+  %t154 = icmp eq ptr %t153, null
+  br i1 %t154, label %panic5032, label %ok5033
+panic5032:
+  call void @finch_panic(ptr @.str.3152, i64 2315, ptr @.str.3153)
+  unreachable
+ok5033:
+  %t155 = getelementptr inbounds %S.gen.Gen, ptr %t153, i32 0, i32 11
+  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %t155, i32 0, i32 1
+  %t157 = load i64, ptr %t156
+  store i64 %t157, ptr %a158
+  %t159 = load ptr, ptr %a1
+  %t160 = load %S.gen.Val, ptr %a128
+  call void @finch.gen.hold(ptr %t159, %S.gen.Val %t160)
+  %t161 = load ptr, ptr %a1
+  %t162 = load %S.ast.Node, ptr %a13
+  %t163 = call %S.gen.Place @finch.gen.place(ptr %t161, %S.ast.Node %t162, i1 true)
+  store %S.gen.Place %t163, ptr %a164
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.gen.Val, ptr %a128
+  %t167 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t168 = load %S.ast.Type, ptr %t167
+  %t169 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  %t171 = extractvalue { ptr, i64, i64 } %t170, 1
+  %t172 = icmp uge i64 1, %t171
+  br i1 %t172, label %range5034, label %inrange5035
+range5034:
+  call void @finch_panic_index(ptr @.str.3154, i64 2318, i64 1, i64 %t171)
+  unreachable
+inrange5035:
+  %t173 = extractvalue { ptr, i64, i64 } %t170, 0
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %t173, i64 1
+  %t175 = load %S.ast.Node, ptr %t174
+  %t176 = load { ptr, i64, i64 }, ptr %a78
+  %t177 = call %S.gen.Val @finch.gen.coerce(ptr %t165, %S.gen.Val %t166, %S.ast.Type %t168, %S.ast.Node %t175, { ptr, i64, i64 } %t176)
+  %t178 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t177, ptr %a128
+  store %S.gen.Val %t178, ptr %a179
+  call void @finch.drop.S_gen_Val(ptr %a179)
   %t180 = load ptr, ptr %a1
-  %t181 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t182 = load %S.ast.Type, ptr %t181
-  %t183 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t180, %S.ast.Type %t182)
+  %t181 = load %S.gen.Val, ptr %a128
+  %t182 = call { ptr, i64, i64 } @finch.gen.own(ptr %t180, %S.gen.Val %t181)
+  store { ptr, i64, i64 } %t182, ptr %a183
   %t184 = load ptr, ptr %a1
-  %t185 = load %S.gen.Val, ptr %a178
-  %t186 = call { ptr, i64, i64 } @finch.gen.own(ptr %t184, %S.gen.Val %t185)
-  %t187 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 0
-  %t188 = load { ptr, i64, i64 }, ptr %t187
-  call void @finch.gen.store(ptr %t179, { ptr, i64, i64 } %t183, { ptr, i64, i64 } %t186, { ptr, i64, i64 } %t188)
+  %t185 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t186 = load %S.ast.Type, ptr %t185
+  %t187 = call i1 @finch.gen.owning(ptr %t184, %S.ast.Type %t186)
+  br i1 %t187, label %then5036, label %else5037
+then5036:
+  %t188 = load ptr, ptr %a1
+  %t189 = load ptr, ptr %a1
+  %t190 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t191 = load %S.ast.Type, ptr %t190
+  %t192 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t189, %S.ast.Type %t191)
+  %t193 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
+  %t194 = load { ptr, i64, i64 }, ptr %t193
+  %t195 = call { ptr, i64, i64 } @finch.gen.load(ptr %t188, { ptr, i64, i64 } %t192, { ptr, i64, i64 } %t194)
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  store { ptr, i64, i64 } %t195, ptr %a197
+  %t198 = load ptr, ptr %a1
+  %t199 = load ptr, ptr %a1
+  %t200 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t201 = load %S.ast.Type, ptr %t200
+  %t202 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t199, %S.ast.Type %t201)
+  %t203 = load { ptr, i64, i64 }, ptr %a183
+  %t204 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
+  %t205 = load { ptr, i64, i64 }, ptr %t204
+  call void @finch.gen.store(ptr %t198, { ptr, i64, i64 } %t202, { ptr, i64, i64 } %t203, { ptr, i64, i64 } %t205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load ptr, ptr %a1
+  %t208 = load { ptr, i64, i64 }, ptr %a197
+  %t209 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t210 = load %S.ast.Type, ptr %t209
+  call void @finch.gen.dropValue(ptr %t207, { ptr, i64, i64 } %t208, %S.ast.Type %t210)
+  call void @finch_str_drop(ptr %a197)
+  br label %endif5038
+else5037:
+  %t211 = load ptr, ptr %a1
+  %t212 = load ptr, ptr %a1
+  %t213 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t214 = load %S.ast.Type, ptr %t213
+  %t215 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t212, %S.ast.Type %t214)
+  %t216 = load { ptr, i64, i64 }, ptr %a183
+  %t217 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
+  %t218 = load { ptr, i64, i64 }, ptr %t217
+  call void @finch.gen.store(ptr %t211, { ptr, i64, i64 } %t215, { ptr, i64, i64 } %t216, { ptr, i64, i64 } %t218)
+  store { ptr, i64, i64 } %t215, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  br label %endif5038
+endif5038:
+  %t220 = load ptr, ptr %a1
+  %t221 = load i64, ptr %a158
+  call void @finch.gen.heldEnd(ptr %t220, i64 %t221)
+  call void @finch_str_drop(ptr %a183)
+  call void @finch.drop.S_gen_Place(ptr %a164)
+  call void @finch.drop.S_gen_Val(ptr %a128)
+  call void @finch.drop.S_ast_Type(ptr %a104)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a16)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret void
+endif5018:
+  %t222 = load ptr, ptr %a1
+  %t223 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t224 = load { ptr, i64, i64 }, ptr %t223
+  %t225 = extractvalue { ptr, i64, i64 } %t224, 1
+  %t226 = icmp uge i64 1, %t225
+  br i1 %t226, label %range5039, label %inrange5040
+range5039:
+  call void @finch_panic_index(ptr @.str.3155, i64 2330, i64 1, i64 %t225)
+  unreachable
+inrange5040:
+  %t227 = extractvalue { ptr, i64, i64 } %t224, 0
+  %t228 = getelementptr inbounds %S.ast.Node, ptr %t227, i64 1
+  %t229 = load %S.ast.Node, ptr %t228
+  %t230 = call %S.gen.Val @finch.gen.expr(ptr %t222, %S.ast.Node %t229)
+  store %S.gen.Val %t230, ptr %a231
+  %t232 = load ptr, ptr %a1
+  %t233 = icmp eq ptr %t232, null
+  br i1 %t233, label %panic5041, label %ok5042
+panic5041:
+  call void @finch_panic(ptr @.str.3156, i64 2331, ptr @.str.3157)
+  unreachable
+ok5042:
+  %t234 = getelementptr inbounds %S.gen.Gen, ptr %t232, i32 0, i32 11
+  %t235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i32 0, i32 1
+  %t236 = load i64, ptr %t235
+  store i64 %t236, ptr %a237
+  %t238 = load ptr, ptr %a1
+  %t239 = load %S.gen.Val, ptr %a231
+  call void @finch.gen.hold(ptr %t238, %S.gen.Val %t239)
+  %t240 = load ptr, ptr %a1
+  %t241 = load %S.ast.Node, ptr %a13
+  %t242 = call %S.gen.Place @finch.gen.place(ptr %t240, %S.ast.Node %t241, i1 true)
+  store %S.gen.Place %t242, ptr %a243
+  %t244 = load ptr, ptr %a1
+  %t245 = load ptr, ptr %a1
+  %t246 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t247 = load %S.ast.Type, ptr %t246
+  %t248 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t245, %S.ast.Type %t247)
+  %t249 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 0
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  %t251 = call { ptr, i64, i64 } @finch.gen.load(ptr %t244, { ptr, i64, i64 } %t248, { ptr, i64, i64 } %t250)
+  store { ptr, i64, i64 } %t248, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t251, 0
+  %t254 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t255 = load %S.ast.Type, ptr %t254
+  store %S.ast.Type %t255, ptr %a256
+  call void @finch.copy.S_ast_Type(ptr %a257, ptr %a256)
+  %t258 = load %S.ast.Type, ptr %a257
+  %t259 = insertvalue %S.gen.Val %t253, %S.ast.Type %t258, 1
+  store %S.gen.Val %t259, ptr %a260
+  %t261 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t262 = load { ptr, i64, i64 }, ptr %t261
+  store { ptr, i64, i64 } %t262, ptr %a263
+  call void @finch_str_sub(ptr %a264, ptr %a263, i64 0, i64 1, ptr @.str.3158, i64 2335)
+  %t265 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t265, ptr %a266
+  %t267 = load ptr, ptr %a1
+  %t268 = load ptr, ptr %a1
+  %t269 = load { ptr, i64, i64 }, ptr %a266
+  %t270 = load %S.gen.Val, ptr %a260
+  %t271 = load %S.gen.Val, ptr %a231
+  %t272 = load %S.ast.Node, ptr %a2
+  %t273 = call %S.gen.Val @finch.gen.arith(ptr %t268, { ptr, i64, i64 } %t269, %S.gen.Val %t270, %S.gen.Val %t271, %S.ast.Node %t272)
+  %t274 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t275 = load %S.ast.Type, ptr %t274
+  %t276 = load %S.ast.Node, ptr %a2
+  %t277 = load { ptr, i64, i64 }, ptr %a78
+  %t278 = call %S.gen.Val @finch.gen.coerce(ptr %t267, %S.gen.Val %t273, %S.ast.Type %t275, %S.ast.Node %t276, { ptr, i64, i64 } %t277)
+  store %S.gen.Val %t273, ptr %a279
+  call void @finch.drop.S_gen_Val(ptr %a279)
+  store %S.gen.Val %t278, ptr %a280
+  %t281 = load ptr, ptr %a1
+  %t282 = load %S.gen.Val, ptr %a280
+  %t283 = call { ptr, i64, i64 } @finch.gen.own(ptr %t281, %S.gen.Val %t282)
+  store { ptr, i64, i64 } %t283, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = load ptr, ptr %a1
+  %t287 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t288 = load %S.ast.Type, ptr %t287
+  %t289 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t286, %S.ast.Type %t288)
+  %t290 = load { ptr, i64, i64 }, ptr %a284
+  %t291 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 0
+  %t292 = load { ptr, i64, i64 }, ptr %t291
+  call void @finch.gen.store(ptr %t285, { ptr, i64, i64 } %t289, { ptr, i64, i64 } %t290, { ptr, i64, i64 } %t292)
+  store { ptr, i64, i64 } %t289, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load ptr, ptr %a1
+  %t295 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t296 = load %S.ast.Type, ptr %t295
+  %t297 = call i1 @finch.gen.owning(ptr %t294, %S.ast.Type %t296)
+  br i1 %t297, label %then5043, label %endif5045
+then5043:
+  %t298 = load ptr, ptr %a1
+  %t299 = getelementptr inbounds %S.gen.Val, ptr %a260, i32 0, i32 0
+  %t300 = load { ptr, i64, i64 }, ptr %t299
+  %t301 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t302 = load %S.ast.Type, ptr %t301
+  call void @finch.gen.dropValue(ptr %t298, { ptr, i64, i64 } %t300, %S.ast.Type %t302)
+  br label %endif5045
+endif5045:
+  %t303 = load ptr, ptr %a1
+  %t304 = load i64, ptr %a237
+  call void @finch.gen.heldEnd(ptr %t303, i64 %t304)
+  call void @finch_str_drop(ptr %a284)
+  call void @finch.drop.S_gen_Val(ptr %a280)
+  call void @finch_str_drop(ptr %a266)
+  call void @finch.drop.S_gen_Val(ptr %a260)
+  call void @finch.drop.S_gen_Place(ptr %a243)
+  call void @finch.drop.S_gen_Val(ptr %a231)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a16)
+  call void @finch.drop.S_ast_Node(ptr %a13)
   ret void
 }
 
@@ -43432,22 +50787,31 @@ define internal { ptr, i64, i64 } @finch.gen.condition(ptr %p0, %S.ast.Node %p1)
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
-  %a11 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca %S.gen.Val, align 16
+  %a11 = alloca %S.ast.Type, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load ptr, ptr %a1
   %t5 = load %S.ast.Node, ptr %a2
   %t6 = call %S.gen.Val @finch.gen.expr(ptr %t4, %S.ast.Node %t5)
-  %t7 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3052, i64 4, i64 0 })
+  %t7 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3159, i64 4, i64 0 })
   %t8 = load %S.ast.Node, ptr %a2
-  %t9 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t6, %S.ast.Type %t7, %S.ast.Node %t8, { ptr, i64, i64 } { ptr @.str.3053, i64 11, i64 0 })
-  %t10 = extractvalue %S.gen.Val %t9, 0
-  store { ptr, i64, i64 } %t10, ptr %a11
-  call void @finch_str_copy(ptr %a12, ptr %a11)
-  %t13 = load { ptr, i64, i64 }, ptr %a12
-  ret { ptr, i64, i64 } %t13
+  %t9 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t6, %S.ast.Type %t7, %S.ast.Node %t8, { ptr, i64, i64 } { ptr @.str.3160, i64 11, i64 0 })
+  store %S.gen.Val %t6, ptr %a10
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  store %S.ast.Type %t7, ptr %a11
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  %t12 = extractvalue %S.gen.Val %t9, 0
+  store { ptr, i64, i64 } %t12, ptr %a13
+  call void @finch_str_copy(ptr %a14, ptr %a13)
+  %t15 = load { ptr, i64, i64 }, ptr %a14
+  store %S.gen.Val %t9, ptr %a16
+  call void @finch.drop.S_gen_Val(ptr %a16)
+  ret { ptr, i64, i64 } %t15
 }
 
 define internal void @finch.gen.ifStmt(ptr %p0, %S.ast.Node %p1) {
@@ -43466,45 +50830,45 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %t4
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 0, %t6
-  br i1 %t7, label %range4776, label %inrange4777
-range4776:
-  call void @finch_panic_index(ptr @.str.3054, i64 2161, i64 0, i64 %t6)
+  br i1 %t7, label %range5046, label %inrange5047
+range5046:
+  call void @finch_panic_index(ptr @.str.3161, i64 2350, i64 0, i64 %t6)
   unreachable
-inrange4777:
+inrange5047:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds %S.ast.Node, ptr %t8, i64 0
   %t10 = load %S.ast.Node, ptr %t9
   %t11 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t3, %S.ast.Node %t10)
   store { ptr, i64, i64 } %t11, ptr %a12
   %t13 = load ptr, ptr %a1
-  %t14 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t13, { ptr, i64, i64 } { ptr @.str.3055, i64 4, i64 0 })
+  %t14 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t13, { ptr, i64, i64 } { ptr @.str.3162, i64 4, i64 0 })
   store { ptr, i64, i64 } %t14, ptr %a15
   %t16 = load ptr, ptr %a1
-  %t17 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t16, { ptr, i64, i64 } { ptr @.str.3056, i64 4, i64 0 })
+  %t17 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t16, { ptr, i64, i64 } { ptr @.str.3163, i64 4, i64 0 })
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = load ptr, ptr %a1
-  %t20 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t19, { ptr, i64, i64 } { ptr @.str.3057, i64 5, i64 0 })
+  %t20 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t19, { ptr, i64, i64 } { ptr @.str.3164, i64 5, i64 0 })
   store { ptr, i64, i64 } %t20, ptr %a21
   %t22 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = icmp sgt i64 %t24, 2
-  br i1 %t25, label %then4778, label %else4779
-then4778:
+  br i1 %t25, label %then5048, label %else5049
+then5048:
   %t26 = load ptr, ptr %a1
   %t27 = load { ptr, i64, i64 }, ptr %a12
   %t28 = load { ptr, i64, i64 }, ptr %a15
   %t29 = load { ptr, i64, i64 }, ptr %a18
   call void @finch.gen.condBr(ptr %t26, { ptr, i64, i64 } %t27, { ptr, i64, i64 } %t28, { ptr, i64, i64 } %t29)
-  br label %endif4780
-else4779:
+  br label %endif5050
+else5049:
   %t30 = load ptr, ptr %a1
   %t31 = load { ptr, i64, i64 }, ptr %a12
   %t32 = load { ptr, i64, i64 }, ptr %a15
   %t33 = load { ptr, i64, i64 }, ptr %a21
   call void @finch.gen.condBr(ptr %t30, { ptr, i64, i64 } %t31, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33)
-  br label %endif4780
-endif4780:
+  br label %endif5050
+endif5050:
   %t34 = load ptr, ptr %a1
   %t35 = load { ptr, i64, i64 }, ptr %a15
   call void @finch.gen.label(ptr %t34, { ptr, i64, i64 } %t35)
@@ -43513,22 +50877,22 @@ endif4780:
   %t38 = load { ptr, i64, i64 }, ptr %t37
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 1, %t39
-  br i1 %t40, label %range4781, label %inrange4782
-range4781:
-  call void @finch_panic_index(ptr @.str.3058, i64 2171, i64 1, i64 %t39)
+  br i1 %t40, label %range5051, label %inrange5052
+range5051:
+  call void @finch_panic_index(ptr @.str.3165, i64 2360, i64 1, i64 %t39)
   unreachable
-inrange4782:
+inrange5052:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i64 1
   %t43 = load %S.ast.Node, ptr %t42
   call void @finch.gen.block(ptr %t36, %S.ast.Node %t43, i1 true)
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic4783, label %ok4784
-panic4783:
-  call void @finch_panic(ptr @.str.3059, i64 2172, ptr @.str.3060)
+  br i1 %t45, label %panic5053, label %ok5054
+panic5053:
+  call void @finch_panic(ptr @.str.3166, i64 2361, ptr @.str.3167)
   unreachable
-ok4784:
+ok5054:
   %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 9
   %t47 = load i1, ptr %t46
   %t48 = xor i1 %t47, true
@@ -43540,8 +50904,8 @@ ok4784:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i32 0, i32 1
   %t54 = load i64, ptr %t53
   %t55 = icmp sgt i64 %t54, 2
-  br i1 %t55, label %then4785, label %else4786
-then4785:
+  br i1 %t55, label %then5055, label %else5056
+then5055:
   %t56 = load ptr, ptr %a1
   %t57 = load { ptr, i64, i64 }, ptr %a18
   call void @finch.gen.label(ptr %t56, { ptr, i64, i64 } %t57)
@@ -43550,52 +50914,56 @@ then4785:
   %t60 = load { ptr, i64, i64 }, ptr %t59
   %t61 = extractvalue { ptr, i64, i64 } %t60, 1
   %t62 = icmp uge i64 2, %t61
-  br i1 %t62, label %range4788, label %inrange4789
-range4788:
-  call void @finch_panic_index(ptr @.str.3061, i64 2176, i64 2, i64 %t61)
+  br i1 %t62, label %range5058, label %inrange5059
+range5058:
+  call void @finch_panic_index(ptr @.str.3168, i64 2365, i64 2, i64 %t61)
   unreachable
-inrange4789:
+inrange5059:
   %t63 = extractvalue { ptr, i64, i64 } %t60, 0
   %t64 = getelementptr inbounds %S.ast.Node, ptr %t63, i64 2
   %t65 = load %S.ast.Node, ptr %t64
   call void @finch.gen.stmt(ptr %t58, %S.ast.Node %t65)
   %t66 = load i1, ptr %a49
-  br label %logic.from4790
-logic.from4790:
-  br i1 %t66, label %logic.end4792, label %logic.rhs4791
-logic.rhs4791:
+  br label %logic.from5060
+logic.from5060:
+  br i1 %t66, label %logic.end5062, label %logic.rhs5061
+logic.rhs5061:
   %t67 = load ptr, ptr %a1
   %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic4793, label %ok4794
-panic4793:
-  call void @finch_panic(ptr @.str.3062, i64 2177, ptr @.str.3063)
+  br i1 %t68, label %panic5063, label %ok5064
+panic5063:
+  call void @finch_panic(ptr @.str.3169, i64 2366, ptr @.str.3170)
   unreachable
-ok4794:
+ok5064:
   %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 9
   %t70 = load i1, ptr %t69
   %t71 = xor i1 %t70, true
-  br label %logic.rend4795
-logic.rend4795:
-  br label %logic.end4792
-logic.end4792:
-  %t72 = phi i1 [ true, %logic.from4790 ], [ %t71, %logic.rend4795 ]
+  br label %logic.rend5065
+logic.rend5065:
+  br label %logic.end5062
+logic.end5062:
+  %t72 = phi i1 [ true, %logic.from5060 ], [ %t71, %logic.rend5065 ]
   store i1 %t72, ptr %a49
   %t73 = load ptr, ptr %a1
   %t74 = load { ptr, i64, i64 }, ptr %a21
   call void @finch.gen.br(ptr %t73, { ptr, i64, i64 } %t74)
-  br label %endif4787
-else4786:
+  br label %endif5057
+else5056:
   store i1 true, ptr %a49
-  br label %endif4787
-endif4787:
+  br label %endif5057
+endif5057:
   %t75 = load i1, ptr %a49
-  br i1 %t75, label %then4796, label %endif4798
-then4796:
+  br i1 %t75, label %then5066, label %endif5068
+then5066:
   %t76 = load ptr, ptr %a1
   %t77 = load { ptr, i64, i64 }, ptr %a21
   call void @finch.gen.label(ptr %t76, { ptr, i64, i64 } %t77)
-  br label %endif4798
-endif4798:
+  br label %endif5068
+endif5068:
+  call void @finch_str_drop(ptr %a21)
+  call void @finch_str_drop(ptr %a18)
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a12)
   ret void
 }
 
@@ -43616,17 +50984,18 @@ entry:
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca i1, align 16
+  %a99 = alloca i1, align 16
+  %a118 = alloca %S.gen.Loop, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t3, { ptr, i64, i64 } { ptr @.str.3064, i64 10, i64 0 })
+  %t4 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t3, { ptr, i64, i64 } { ptr @.str.3171, i64 10, i64 0 })
   store { ptr, i64, i64 } %t4, ptr %a5
   %t6 = load ptr, ptr %a1
-  %t7 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t6, { ptr, i64, i64 } { ptr @.str.3065, i64 10, i64 0 })
+  %t7 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t6, { ptr, i64, i64 } { ptr @.str.3172, i64 10, i64 0 })
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load ptr, ptr %a1
-  %t10 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t9, { ptr, i64, i64 } { ptr @.str.3066, i64 9, i64 0 })
+  %t10 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t9, { ptr, i64, i64 } { ptr @.str.3173, i64 9, i64 0 })
   store { ptr, i64, i64 } %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = load { ptr, i64, i64 }, ptr %a5
@@ -43638,87 +51007,87 @@ entry:
   %t17 = load { ptr, i64, i64 }, ptr %t16
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 0, %t18
-  br i1 %t19, label %range4799, label %inrange4800
-range4799:
-  call void @finch_panic_index(ptr @.str.3067, i64 2193, i64 0, i64 %t18)
+  br i1 %t19, label %range5069, label %inrange5070
+range5069:
+  call void @finch_panic_index(ptr @.str.3174, i64 2382, i64 0, i64 %t18)
   unreachable
-inrange4800:
+inrange5070:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.ast.Node, ptr %t20, i64 0
   %t22 = getelementptr inbounds %S.ast.Node, ptr %t21, i32 0, i32 0
   %t23 = load { ptr, i64, i64 }, ptr %t22
   store { ptr, i64, i64 } %t23, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.3068, i64 4, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.3175, i64 4, i64 0 }, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from4801
-logic.from4801:
-  br i1 %t27, label %logic.rhs4802, label %logic.end4803
-logic.rhs4802:
+  br label %logic.from5071
+logic.from5071:
+  br i1 %t27, label %logic.rhs5072, label %logic.end5073
+logic.rhs5072:
   %t28 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t29 = load { ptr, i64, i64 }, ptr %t28
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 0, %t30
-  br i1 %t31, label %range4804, label %inrange4805
-range4804:
-  call void @finch_panic_index(ptr @.str.3069, i64 2193, i64 0, i64 %t30)
+  br i1 %t31, label %range5074, label %inrange5075
+range5074:
+  call void @finch_panic_index(ptr @.str.3176, i64 2382, i64 0, i64 %t30)
   unreachable
-inrange4805:
+inrange5075:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.ast.Node, ptr %t32, i64 0
   %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i32 0, i32 4
   %t35 = load { ptr, i64, i64 }, ptr %t34
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.3070, i64 4, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.3177, i64 4, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.rend4806
-logic.rend4806:
-  br label %logic.end4803
-logic.end4803:
-  %t40 = phi i1 [ false, %logic.from4801 ], [ %t39, %logic.rend4806 ]
+  br label %logic.rend5076
+logic.rend5076:
+  br label %logic.end5073
+logic.end5073:
+  %t40 = phi i1 [ false, %logic.from5071 ], [ %t39, %logic.rend5076 ]
   store i1 %t40, ptr %a41
   %t42 = load ptr, ptr %a1
   %t43 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t44 = load { ptr, i64, i64 }, ptr %t43
   %t45 = extractvalue { ptr, i64, i64 } %t44, 1
   %t46 = icmp uge i64 0, %t45
-  br i1 %t46, label %range4807, label %inrange4808
-range4807:
-  call void @finch_panic_index(ptr @.str.3071, i64 2194, i64 0, i64 %t45)
+  br i1 %t46, label %range5077, label %inrange5078
+range5077:
+  call void @finch_panic_index(ptr @.str.3178, i64 2383, i64 0, i64 %t45)
   unreachable
-inrange4808:
+inrange5078:
   %t47 = extractvalue { ptr, i64, i64 } %t44, 0
   %t48 = getelementptr inbounds %S.ast.Node, ptr %t47, i64 0
   %t49 = load %S.ast.Node, ptr %t48
   %t50 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t42, %S.ast.Node %t49)
   store { ptr, i64, i64 } %t50, ptr %a51
   %t52 = load i1, ptr %a41
-  br i1 %t52, label %then4809, label %else4810
-then4809:
+  br i1 %t52, label %then5079, label %else5080
+then5079:
   %t53 = load ptr, ptr %a1
   %t54 = load { ptr, i64, i64 }, ptr %a8
   call void @finch.gen.br(ptr %t53, { ptr, i64, i64 } %t54)
-  br label %endif4811
-else4810:
+  br label %endif5081
+else5080:
   %t55 = load ptr, ptr %a1
   %t56 = load { ptr, i64, i64 }, ptr %a51
   %t57 = load { ptr, i64, i64 }, ptr %a8
   %t58 = load { ptr, i64, i64 }, ptr %a11
   call void @finch.gen.condBr(ptr %t55, { ptr, i64, i64 } %t56, { ptr, i64, i64 } %t57, { ptr, i64, i64 } %t58)
-  br label %endif4811
-endif4811:
+  br label %endif5081
+endif5081:
   %t59 = load ptr, ptr %a1
   %t60 = load { ptr, i64, i64 }, ptr %a8
   call void @finch.gen.label(ptr %t59, { ptr, i64, i64 } %t60)
   %t61 = load ptr, ptr %a1
   %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic4812, label %ok4813
-panic4812:
-  call void @finch_panic(ptr @.str.3072, i64 2201, ptr @.str.3073)
+  br i1 %t62, label %panic5082, label %ok5083
+panic5082:
+  call void @finch_panic(ptr @.str.3179, i64 2390, ptr @.str.3180)
   unreachable
-ok4813:
-  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 11
+ok5083:
+  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 12
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
   %t65 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t65, ptr %a66
@@ -43732,93 +51101,110 @@ ok4813:
   %t74 = insertvalue %S.gen.Loop %t69, { ptr, i64, i64 } %t73, 1
   %t75 = load ptr, ptr %a1
   %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic4814, label %ok4815
-panic4814:
-  call void @finch_panic(ptr @.str.3074, i64 2201, ptr @.str.3075)
+  br i1 %t76, label %panic5084, label %ok5085
+panic5084:
+  call void @finch_panic(ptr @.str.3181, i64 2390, ptr @.str.3182)
   unreachable
-ok4815:
+ok5085:
   %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 10
   %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
   %t79 = load i64, ptr %t78
   %t80 = insertvalue %S.gen.Loop %t74, i64 %t79, 2
-  %t81 = load i64, ptr %t64
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %t63, i64 %t82, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %t63
-  %t84 = getelementptr inbounds %S.gen.Loop, ptr %t83, i64 %t81
-  store %S.gen.Loop %t80, ptr %t84
-  store i64 %t82, ptr %t64
-  %t85 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 1, %t87
-  br i1 %t88, label %range4816, label %inrange4817
-range4816:
-  call void @finch_panic_index(ptr @.str.3076, i64 2202, i64 1, i64 %t87)
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic5086, label %ok5087
+panic5086:
+  call void @finch_panic(ptr @.str.3183, i64 2390, ptr @.str.3184)
   unreachable
-inrange4817:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %t89, i64 1
-  %t91 = load %S.ast.Node, ptr %t90
-  %t92 = call i1 @finch.gen.countBreaks(%S.ast.Node %t91)
-  store i1 %t92, ptr %a93
-  %t94 = load ptr, ptr %a1
-  %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t96 = load { ptr, i64, i64 }, ptr %t95
-  %t97 = extractvalue { ptr, i64, i64 } %t96, 1
-  %t98 = icmp uge i64 1, %t97
-  br i1 %t98, label %range4818, label %inrange4819
-range4818:
-  call void @finch_panic_index(ptr @.str.3077, i64 2203, i64 1, i64 %t97)
+ok5087:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 11
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = insertvalue %S.gen.Loop %t80, i64 %t85, 3
+  %t87 = load i64, ptr %t64
+  %t88 = add i64 %t87, 1
+  call void @finch_arr_reserve(ptr %t63, i64 %t88, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t89 = load ptr, ptr %t63
+  %t90 = getelementptr inbounds %S.gen.Loop, ptr %t89, i64 %t87
+  store %S.gen.Loop %t86, ptr %t90
+  store i64 %t88, ptr %t64
+  %t91 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t92 = load { ptr, i64, i64 }, ptr %t91
+  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
+  %t94 = icmp uge i64 1, %t93
+  br i1 %t94, label %range5088, label %inrange5089
+range5088:
+  call void @finch_panic_index(ptr @.str.3185, i64 2391, i64 1, i64 %t93)
   unreachable
-inrange4819:
-  %t99 = extractvalue { ptr, i64, i64 } %t96, 0
-  %t100 = getelementptr inbounds %S.ast.Node, ptr %t99, i64 1
-  %t101 = load %S.ast.Node, ptr %t100
-  call void @finch.gen.block(ptr %t94, %S.ast.Node %t101, i1 true)
-  %t102 = load ptr, ptr %a1
-  %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic4820, label %ok4821
-panic4820:
-  call void @finch_panic(ptr @.str.3078, i64 2204, ptr @.str.3079)
+inrange5089:
+  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %t95, i64 1
+  %t97 = load %S.ast.Node, ptr %t96
+  %t98 = call i1 @finch.gen.countBreaks(%S.ast.Node %t97)
+  store i1 %t98, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  %t103 = extractvalue { ptr, i64, i64 } %t102, 1
+  %t104 = icmp uge i64 1, %t103
+  br i1 %t104, label %range5090, label %inrange5091
+range5090:
+  call void @finch_panic_index(ptr @.str.3186, i64 2392, i64 1, i64 %t103)
   unreachable
-ok4821:
-  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 11
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
-  %t106 = load i64, ptr %t105
-  %t107 = icmp eq i64 %t106, 0
-  br i1 %t107, label %panic4822, label %ok4823
-panic4822:
-  call void @finch_panic(ptr @.str.3080, i64 2204, ptr @.str.3081)
+inrange5091:
+  %t105 = extractvalue { ptr, i64, i64 } %t102, 0
+  %t106 = getelementptr inbounds %S.ast.Node, ptr %t105, i64 1
+  %t107 = load %S.ast.Node, ptr %t106
+  call void @finch.gen.block(ptr %t100, %S.ast.Node %t107, i1 true)
+  %t108 = load ptr, ptr %a1
+  %t109 = icmp eq ptr %t108, null
+  br i1 %t109, label %panic5092, label %ok5093
+panic5092:
+  call void @finch_panic(ptr @.str.3187, i64 2393, ptr @.str.3188)
   unreachable
-ok4823:
-  %t108 = sub i64 %t106, 1
-  %t109 = load ptr, ptr %t104
-  %t110 = getelementptr inbounds %S.gen.Loop, ptr %t109, i64 %t108
-  %t111 = load %S.gen.Loop, ptr %t110
-  store i64 %t108, ptr %t105
-  %t112 = load ptr, ptr %a1
-  %t113 = load { ptr, i64, i64 }, ptr %a5
-  call void @finch.gen.br(ptr %t112, { ptr, i64, i64 } %t113)
-  %t114 = load i1, ptr %a41
-  %t115 = xor i1 %t114, true
-  br label %logic.from4824
-logic.from4824:
-  br i1 %t115, label %logic.end4826, label %logic.rhs4825
-logic.rhs4825:
-  %t116 = load i1, ptr %a93
-  br label %logic.rend4827
-logic.rend4827:
-  br label %logic.end4826
-logic.end4826:
-  %t117 = phi i1 [ true, %logic.from4824 ], [ %t116, %logic.rend4827 ]
-  br i1 %t117, label %then4828, label %endif4830
-then4828:
-  %t118 = load ptr, ptr %a1
-  %t119 = load { ptr, i64, i64 }, ptr %a11
-  call void @finch.gen.label(ptr %t118, { ptr, i64, i64 } %t119)
-  br label %endif4830
-endif4830:
+ok5093:
+  %t110 = getelementptr inbounds %S.gen.Gen, ptr %t108, i32 0, i32 12
+  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i32 0, i32 1
+  %t112 = load i64, ptr %t111
+  %t113 = icmp eq i64 %t112, 0
+  br i1 %t113, label %panic5094, label %ok5095
+panic5094:
+  call void @finch_panic(ptr @.str.3189, i64 2393, ptr @.str.3190)
+  unreachable
+ok5095:
+  %t114 = sub i64 %t112, 1
+  %t115 = load ptr, ptr %t110
+  %t116 = getelementptr inbounds %S.gen.Loop, ptr %t115, i64 %t114
+  %t117 = load %S.gen.Loop, ptr %t116
+  store i64 %t114, ptr %t111
+  store %S.gen.Loop %t117, ptr %a118
+  call void @finch.drop.S_gen_Loop(ptr %a118)
+  %t119 = load ptr, ptr %a1
+  %t120 = load { ptr, i64, i64 }, ptr %a5
+  call void @finch.gen.br(ptr %t119, { ptr, i64, i64 } %t120)
+  %t121 = load i1, ptr %a41
+  %t122 = xor i1 %t121, true
+  br label %logic.from5096
+logic.from5096:
+  br i1 %t122, label %logic.end5098, label %logic.rhs5097
+logic.rhs5097:
+  %t123 = load i1, ptr %a99
+  br label %logic.rend5099
+logic.rend5099:
+  br label %logic.end5098
+logic.end5098:
+  %t124 = phi i1 [ true, %logic.from5096 ], [ %t123, %logic.rend5099 ]
+  br i1 %t124, label %then5100, label %endif5102
+then5100:
+  %t125 = load ptr, ptr %a1
+  %t126 = load { ptr, i64, i64 }, ptr %a11
+  call void @finch.gen.label(ptr %t125, { ptr, i64, i64 } %t126)
+  br label %endif5102
+endif5102:
+  call void @finch_str_drop(ptr %a51)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a5)
   ret void
 }
 
@@ -43839,80 +51225,80 @@ entry:
   %t2 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.3082, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.3191, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then4831, label %endif4833
-then4831:
+  br i1 %t7, label %then5103, label %endif5105
+then5103:
   ret i1 true
-endif4833:
+endif5105:
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.3083, i64 5, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.3192, i64 5, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from4834
-logic.from4834:
-  br i1 %t13, label %logic.end4836, label %logic.rhs4835
-logic.rhs4835:
+  br label %logic.from5106
+logic.from5106:
+  br i1 %t13, label %logic.end5108, label %logic.rhs5107
+logic.rhs5107:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3084, i64 3, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.3193, i64 3, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br label %logic.rend4837
-logic.rend4837:
-  br label %logic.end4836
-logic.end4836:
-  %t20 = phi i1 [ true, %logic.from4834 ], [ %t19, %logic.rend4837 ]
-  br label %logic.from4838
-logic.from4838:
-  br i1 %t20, label %logic.end4840, label %logic.rhs4839
-logic.rhs4839:
+  br label %logic.rend5109
+logic.rend5109:
+  br label %logic.end5108
+logic.end5108:
+  %t20 = phi i1 [ true, %logic.from5106 ], [ %t19, %logic.rend5109 ]
+  br label %logic.from5110
+logic.from5110:
+  br i1 %t20, label %logic.end5112, label %logic.rhs5111
+logic.rhs5111:
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3085, i64 4, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.3194, i64 4, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br label %logic.rend4841
-logic.rend4841:
-  br label %logic.end4840
-logic.end4840:
-  %t27 = phi i1 [ true, %logic.from4838 ], [ %t26, %logic.rend4841 ]
-  br i1 %t27, label %then4842, label %endif4844
-then4842:
+  br label %logic.rend5113
+logic.rend5113:
+  br label %logic.end5112
+logic.end5112:
+  %t27 = phi i1 [ true, %logic.from5110 ], [ %t26, %logic.rend5113 ]
+  br i1 %t27, label %then5114, label %endif5116
+then5114:
   ret i1 false
-endif4844:
+endif5116:
   %t28 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 9
   store i64 0, ptr %a29
-  br label %each.cond4845
-each.cond4845:
+  br label %each.cond5117
+each.cond5117:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = load i64, ptr %a29
   %t33 = icmp slt i64 %t32, %t31
-  br i1 %t33, label %each.body4846, label %each.end4848
-each.body4846:
+  br i1 %t33, label %each.body5118, label %each.end5120
+each.body5118:
   %t34 = load ptr, ptr %t28
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 %t32
   %t36 = load %S.ast.Node, ptr %t35
   store %S.ast.Node %t36, ptr %a37
   %t38 = load %S.ast.Node, ptr %a37
   %t39 = call i1 @finch.gen.countBreaks(%S.ast.Node %t38)
-  br i1 %t39, label %then4849, label %endif4851
-then4849:
+  br i1 %t39, label %then5121, label %endif5123
+then5121:
   ret i1 true
-endif4851:
-  br label %each.step4847
-each.step4847:
+endif5123:
+  br label %each.step5119
+each.step5119:
   %t40 = load i64, ptr %a29
   %t41 = add i64 %t40, 1
   store i64 %t41, ptr %a29
-  br label %each.cond4845
-each.end4848:
+  br label %each.cond5117
+each.end5120:
   ret i1 false
 }
 
@@ -43920,39 +51306,53 @@ define internal void @finch.gen.forStmt(ptr %p0, %S.ast.Node %p1) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca %S.gen.Val, align 16
+  %a23 = alloca %S.ast.Type, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca %S.gen.Val, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.gen.Val, align 16
+  %a50 = alloca %S.ast.Type, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca %S.gen.Val, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca %S.ast.Type, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca %S.gen.Loop, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -43961,229 +51361,278 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range4852, label %inrange4853
-range4852:
-  call void @finch_panic_index(ptr @.str.3086, i64 2228, i64 0, i64 %t7)
+  br i1 %t8, label %range5124, label %inrange5125
+range5124:
+  call void @finch_panic_index(ptr @.str.3195, i64 2417, i64 0, i64 %t7)
   unreachable
-inrange4853:
+inrange5125:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
   %t12 = call %S.gen.Val @finch.gen.expr(ptr %t4, %S.ast.Node %t11)
-  %t13 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3087, i64 3, i64 0 })
+  %t13 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3196, i64 3, i64 0 })
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t15 = load { ptr, i64, i64 }, ptr %t14
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 0, %t16
-  br i1 %t17, label %range4854, label %inrange4855
-range4854:
-  call void @finch_panic_index(ptr @.str.3088, i64 2228, i64 0, i64 %t16)
+  br i1 %t17, label %range5126, label %inrange5127
+range5126:
+  call void @finch_panic_index(ptr @.str.3197, i64 2417, i64 0, i64 %t16)
   unreachable
-inrange4855:
+inrange5127:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.ast.Node, ptr %t18, i64 0
   %t20 = load %S.ast.Node, ptr %t19
-  %t21 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t12, %S.ast.Type %t13, %S.ast.Node %t20, { ptr, i64, i64 } { ptr @.str.3089, i64 20, i64 0 })
-  %t22 = extractvalue %S.gen.Val %t21, 0
-  store { ptr, i64, i64 } %t22, ptr %a23
-  call void @finch_str_copy(ptr %a24, ptr %a23)
-  %t25 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t25, ptr %a26
-  %t27 = load ptr, ptr %a1
-  %t28 = load ptr, ptr %a1
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t30 = load { ptr, i64, i64 }, ptr %t29
-  %t31 = extractvalue { ptr, i64, i64 } %t30, 1
-  %t32 = icmp uge i64 1, %t31
-  br i1 %t32, label %range4856, label %inrange4857
-range4856:
-  call void @finch_panic_index(ptr @.str.3090, i64 2229, i64 1, i64 %t31)
+  %t21 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t12, %S.ast.Type %t13, %S.ast.Node %t20, { ptr, i64, i64 } { ptr @.str.3198, i64 20, i64 0 })
+  store %S.gen.Val %t12, ptr %a22
+  call void @finch.drop.S_gen_Val(ptr %a22)
+  store %S.ast.Type %t13, ptr %a23
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  %t24 = extractvalue %S.gen.Val %t21, 0
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_copy(ptr %a26, ptr %a25)
+  %t27 = load { ptr, i64, i64 }, ptr %a26
+  store %S.gen.Val %t21, ptr %a28
+  call void @finch.drop.S_gen_Val(ptr %a28)
+  store { ptr, i64, i64 } %t27, ptr %a29
+  %t30 = load ptr, ptr %a1
+  %t31 = load ptr, ptr %a1
+  %t32 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t33 = load { ptr, i64, i64 }, ptr %t32
+  %t34 = extractvalue { ptr, i64, i64 } %t33, 1
+  %t35 = icmp uge i64 1, %t34
+  br i1 %t35, label %range5128, label %inrange5129
+range5128:
+  call void @finch_panic_index(ptr @.str.3199, i64 2418, i64 1, i64 %t34)
   unreachable
-inrange4857:
-  %t33 = extractvalue { ptr, i64, i64 } %t30, 0
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 1
-  %t35 = load %S.ast.Node, ptr %t34
-  %t36 = call %S.gen.Val @finch.gen.expr(ptr %t28, %S.ast.Node %t35)
-  %t37 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3091, i64 3, i64 0 })
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = icmp uge i64 1, %t40
-  br i1 %t41, label %range4858, label %inrange4859
-range4858:
-  call void @finch_panic_index(ptr @.str.3092, i64 2229, i64 1, i64 %t40)
+inrange5129:
+  %t36 = extractvalue { ptr, i64, i64 } %t33, 0
+  %t37 = getelementptr inbounds %S.ast.Node, ptr %t36, i64 1
+  %t38 = load %S.ast.Node, ptr %t37
+  %t39 = call %S.gen.Val @finch.gen.expr(ptr %t31, %S.ast.Node %t38)
+  %t40 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3200, i64 3, i64 0 })
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
+  %t44 = icmp uge i64 1, %t43
+  br i1 %t44, label %range5130, label %inrange5131
+range5130:
+  call void @finch_panic_index(ptr @.str.3201, i64 2418, i64 1, i64 %t43)
   unreachable
-inrange4859:
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 1
-  %t44 = load %S.ast.Node, ptr %t43
-  %t45 = call %S.gen.Val @finch.gen.coerce(ptr %t27, %S.gen.Val %t36, %S.ast.Type %t37, %S.ast.Node %t44, { ptr, i64, i64 } { ptr @.str.3093, i64 18, i64 0 })
-  %t46 = extractvalue %S.gen.Val %t45, 0
-  store { ptr, i64, i64 } %t46, ptr %a47
-  call void @finch_str_copy(ptr %a48, ptr %a47)
-  %t49 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t49, ptr %a50
-  %t51 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t51)
-  %t52 = load ptr, ptr %a1
-  %t53 = load %S.ast.Node, ptr %a2
-  %t54 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  %t56 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3094, i64 3, i64 0 })
-  %t57 = load { ptr, i64, i64 }, ptr %a26
-  %t58 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t52, %S.ast.Node %t53, { ptr, i64, i64 } %t55, %S.ast.Type %t56, { ptr, i64, i64 } %t57, i1 true)
-  store { ptr, i64, i64 } %t58, ptr %a59
-  %t60 = load ptr, ptr %a1
-  %t61 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t60, { ptr, i64, i64 } { ptr @.str.3095, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t61, ptr %a62
-  %t63 = load ptr, ptr %a1
-  %t64 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t63, { ptr, i64, i64 } { ptr @.str.3096, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t64, ptr %a65
-  %t66 = load ptr, ptr %a1
-  %t67 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t66, { ptr, i64, i64 } { ptr @.str.3097, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t67, ptr %a68
-  %t69 = load ptr, ptr %a1
-  %t70 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t69, { ptr, i64, i64 } { ptr @.str.3098, i64 7, i64 0 })
-  store { ptr, i64, i64 } %t70, ptr %a71
-  %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.br(ptr %t72, { ptr, i64, i64 } %t73)
-  %t74 = load ptr, ptr %a1
-  %t75 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.label(ptr %t74, { ptr, i64, i64 } %t75)
+inrange5131:
+  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %t45, i64 1
+  %t47 = load %S.ast.Node, ptr %t46
+  %t48 = call %S.gen.Val @finch.gen.coerce(ptr %t30, %S.gen.Val %t39, %S.ast.Type %t40, %S.ast.Node %t47, { ptr, i64, i64 } { ptr @.str.3202, i64 18, i64 0 })
+  store %S.gen.Val %t39, ptr %a49
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  store %S.ast.Type %t40, ptr %a50
+  call void @finch.drop.S_ast_Type(ptr %a50)
+  %t51 = extractvalue %S.gen.Val %t48, 0
+  store { ptr, i64, i64 } %t51, ptr %a52
+  call void @finch_str_copy(ptr %a53, ptr %a52)
+  %t54 = load { ptr, i64, i64 }, ptr %a53
+  store %S.gen.Val %t48, ptr %a55
+  call void @finch.drop.S_gen_Val(ptr %a55)
+  store { ptr, i64, i64 } %t54, ptr %a56
+  %t57 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t57)
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Node, ptr %a2
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3203, i64 3, i64 0 })
+  %t63 = load { ptr, i64, i64 }, ptr %a29
+  %t64 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t58, %S.ast.Node %t59, { ptr, i64, i64 } %t61, %S.ast.Type %t62, { ptr, i64, i64 } %t63, i1 true, i1 false)
+  store %S.ast.Type %t62, ptr %a65
+  call void @finch.drop.S_ast_Type(ptr %a65)
+  store { ptr, i64, i64 } %t64, ptr %a66
+  %t67 = load ptr, ptr %a1
+  %t68 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t67, { ptr, i64, i64 } { ptr @.str.3204, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t68, ptr %a69
+  %t70 = load ptr, ptr %a1
+  %t71 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t70, { ptr, i64, i64 } { ptr @.str.3205, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t71, ptr %a72
+  %t73 = load ptr, ptr %a1
+  %t74 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t73, { ptr, i64, i64 } { ptr @.str.3206, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t74, ptr %a75
   %t76 = load ptr, ptr %a1
-  %t77 = load { ptr, i64, i64 }, ptr %a59
-  %t78 = call { ptr, i64, i64 } @finch.gen.load(ptr %t76, { ptr, i64, i64 } { ptr @.str.3099, i64 3, i64 0 }, { ptr, i64, i64 } %t77)
-  store { ptr, i64, i64 } %t78, ptr %a79
-  %t80 = load ptr, ptr %a1
-  %t81 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.3100, i64 13, i64 0 }, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.3101, i64 2, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t89, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = call { ptr, i64, i64 } @finch.gen.op(ptr %t80, { ptr, i64, i64 } %t94)
-  store { ptr, i64, i64 } %t95, ptr %a96
-  %t97 = load ptr, ptr %a1
-  %t98 = load { ptr, i64, i64 }, ptr %a96
-  %t99 = load { ptr, i64, i64 }, ptr %a65
-  %t100 = load { ptr, i64, i64 }, ptr %a71
-  call void @finch.gen.condBr(ptr %t97, { ptr, i64, i64 } %t98, { ptr, i64, i64 } %t99, { ptr, i64, i64 } %t100)
-  %t101 = load ptr, ptr %a1
-  %t102 = load { ptr, i64, i64 }, ptr %a65
-  call void @finch.gen.label(ptr %t101, { ptr, i64, i64 } %t102)
-  %t103 = load ptr, ptr %a1
-  %t104 = icmp eq ptr %t103, null
-  br i1 %t104, label %panic4860, label %ok4861
-panic4860:
-  call void @finch_panic(ptr @.str.3102, i64 2242, ptr @.str.3103)
+  %t77 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t76, { ptr, i64, i64 } { ptr @.str.3207, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t77, ptr %a78
+  %t79 = load ptr, ptr %a1
+  %t80 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.br(ptr %t79, { ptr, i64, i64 } %t80)
+  %t81 = load ptr, ptr %a1
+  %t82 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.label(ptr %t81, { ptr, i64, i64 } %t82)
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a66
+  %t85 = call { ptr, i64, i64 } @finch.gen.load(ptr %t83, { ptr, i64, i64 } { ptr @.str.3208, i64 3, i64 0 }, { ptr, i64, i64 } %t84)
+  store { ptr, i64, i64 } %t85, ptr %a86
+  %t87 = load ptr, ptr %a1
+  %t88 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.3209, i64 13, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.3210, i64 2, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t97, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  %t104 = call { ptr, i64, i64 } @finch.gen.op(ptr %t87, { ptr, i64, i64 } %t103)
+  store { ptr, i64, i64 } %t103, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  store { ptr, i64, i64 } %t104, ptr %a106
+  %t107 = load ptr, ptr %a1
+  %t108 = load { ptr, i64, i64 }, ptr %a106
+  %t109 = load { ptr, i64, i64 }, ptr %a72
+  %t110 = load { ptr, i64, i64 }, ptr %a78
+  call void @finch.gen.condBr(ptr %t107, { ptr, i64, i64 } %t108, { ptr, i64, i64 } %t109, { ptr, i64, i64 } %t110)
+  %t111 = load ptr, ptr %a1
+  %t112 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.label(ptr %t111, { ptr, i64, i64 } %t112)
+  %t113 = load ptr, ptr %a1
+  %t114 = icmp eq ptr %t113, null
+  br i1 %t114, label %panic5132, label %ok5133
+panic5132:
+  call void @finch_panic(ptr @.str.3211, i64 2431, ptr @.str.3212)
   unreachable
-ok4861:
-  %t105 = getelementptr inbounds %S.gen.Gen, ptr %t103, i32 0, i32 11
-  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t105, i32 0, i32 1
-  %t107 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t107, ptr %a108
-  call void @finch_str_copy(ptr %a109, ptr %a108)
-  %t110 = load { ptr, i64, i64 }, ptr %a109
-  %t111 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t110, 0
-  %t112 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t112, ptr %a113
-  call void @finch_str_copy(ptr %a114, ptr %a113)
-  %t115 = load { ptr, i64, i64 }, ptr %a114
-  %t116 = insertvalue %S.gen.Loop %t111, { ptr, i64, i64 } %t115, 1
-  %t117 = load ptr, ptr %a1
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic4862, label %ok4863
-panic4862:
-  call void @finch_panic(ptr @.str.3104, i64 2242, ptr @.str.3105)
-  unreachable
-ok4863:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 10
-  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
-  %t121 = load i64, ptr %t120
-  %t122 = insertvalue %S.gen.Loop %t116, i64 %t121, 2
-  %t123 = load i64, ptr %t106
-  %t124 = add i64 %t123, 1
-  call void @finch_arr_reserve(ptr %t105, i64 %t124, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t125 = load ptr, ptr %t105
-  %t126 = getelementptr inbounds %S.gen.Loop, ptr %t125, i64 %t123
-  store %S.gen.Loop %t122, ptr %t126
-  store i64 %t124, ptr %t106
+ok5133:
+  %t115 = getelementptr inbounds %S.gen.Gen, ptr %t113, i32 0, i32 12
+  %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i32 0, i32 1
+  %t117 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_copy(ptr %a119, ptr %a118)
+  %t120 = load { ptr, i64, i64 }, ptr %a119
+  %t121 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t120, 0
+  %t122 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t122, ptr %a123
+  call void @finch_str_copy(ptr %a124, ptr %a123)
+  %t125 = load { ptr, i64, i64 }, ptr %a124
+  %t126 = insertvalue %S.gen.Loop %t121, { ptr, i64, i64 } %t125, 1
   %t127 = load ptr, ptr %a1
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  %t130 = extractvalue { ptr, i64, i64 } %t129, 1
-  %t131 = icmp uge i64 2, %t130
-  br i1 %t131, label %range4864, label %inrange4865
-range4864:
-  call void @finch_panic_index(ptr @.str.3106, i64 2243, i64 2, i64 %t130)
+  %t128 = icmp eq ptr %t127, null
+  br i1 %t128, label %panic5134, label %ok5135
+panic5134:
+  call void @finch_panic(ptr @.str.3213, i64 2431, ptr @.str.3214)
   unreachable
-inrange4865:
-  %t132 = extractvalue { ptr, i64, i64 } %t129, 0
-  %t133 = getelementptr inbounds %S.ast.Node, ptr %t132, i64 2
-  %t134 = load %S.ast.Node, ptr %t133
-  call void @finch.gen.block(ptr %t127, %S.ast.Node %t134, i1 true)
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic4866, label %ok4867
-panic4866:
-  call void @finch_panic(ptr @.str.3107, i64 2244, ptr @.str.3108)
+ok5135:
+  %t129 = getelementptr inbounds %S.gen.Gen, ptr %t127, i32 0, i32 10
+  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t129, i32 0, i32 1
+  %t131 = load i64, ptr %t130
+  %t132 = insertvalue %S.gen.Loop %t126, i64 %t131, 2
+  %t133 = load ptr, ptr %a1
+  %t134 = icmp eq ptr %t133, null
+  br i1 %t134, label %panic5136, label %ok5137
+panic5136:
+  call void @finch_panic(ptr @.str.3215, i64 2431, ptr @.str.3216)
   unreachable
-ok4867:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 11
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
-  %t139 = load i64, ptr %t138
-  %t140 = icmp eq i64 %t139, 0
-  br i1 %t140, label %panic4868, label %ok4869
-panic4868:
-  call void @finch_panic(ptr @.str.3109, i64 2244, ptr @.str.3110)
+ok5137:
+  %t135 = getelementptr inbounds %S.gen.Gen, ptr %t133, i32 0, i32 11
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
+  %t137 = load i64, ptr %t136
+  %t138 = insertvalue %S.gen.Loop %t132, i64 %t137, 3
+  %t139 = load i64, ptr %t116
+  %t140 = add i64 %t139, 1
+  call void @finch_arr_reserve(ptr %t115, i64 %t140, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t141 = load ptr, ptr %t115
+  %t142 = getelementptr inbounds %S.gen.Loop, ptr %t141, i64 %t139
+  store %S.gen.Loop %t138, ptr %t142
+  store i64 %t140, ptr %t116
+  %t143 = load ptr, ptr %a1
+  %t144 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  %t146 = extractvalue { ptr, i64, i64 } %t145, 1
+  %t147 = icmp uge i64 2, %t146
+  br i1 %t147, label %range5138, label %inrange5139
+range5138:
+  call void @finch_panic_index(ptr @.str.3217, i64 2432, i64 2, i64 %t146)
   unreachable
-ok4869:
-  %t141 = sub i64 %t139, 1
-  %t142 = load ptr, ptr %t137
-  %t143 = getelementptr inbounds %S.gen.Loop, ptr %t142, i64 %t141
-  %t144 = load %S.gen.Loop, ptr %t143
-  store i64 %t141, ptr %t138
-  %t145 = load ptr, ptr %a1
-  %t146 = load { ptr, i64, i64 }, ptr %a68
-  call void @finch.gen.br(ptr %t145, { ptr, i64, i64 } %t146)
-  %t147 = load ptr, ptr %a1
-  %t148 = load { ptr, i64, i64 }, ptr %a68
-  call void @finch.gen.label(ptr %t147, { ptr, i64, i64 } %t148)
-  %t149 = load ptr, ptr %a1
-  %t150 = load { ptr, i64, i64 }, ptr %a59
-  %t151 = call { ptr, i64, i64 } @finch.gen.load(ptr %t149, { ptr, i64, i64 } { ptr @.str.3111, i64 3, i64 0 }, { ptr, i64, i64 } %t150)
-  store { ptr, i64, i64 } %t151, ptr %a152
-  %t153 = load ptr, ptr %a1
-  %t154 = load ptr, ptr %a1
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.3113, i64 8, i64 0 }, ptr %a157
-  store { ptr, i64, i64 } %t155, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } %t159, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.3114, i64 3, i64 0 }, ptr %a162
-  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
-  %t163 = load { ptr, i64, i64 }, ptr %a160
-  %t164 = call { ptr, i64, i64 } @finch.gen.op(ptr %t154, { ptr, i64, i64 } %t163)
-  %t165 = load { ptr, i64, i64 }, ptr %a59
-  call void @finch.gen.store(ptr %t153, { ptr, i64, i64 } { ptr @.str.3112, i64 3, i64 0 }, { ptr, i64, i64 } %t164, { ptr, i64, i64 } %t165)
+inrange5139:
+  %t148 = extractvalue { ptr, i64, i64 } %t145, 0
+  %t149 = getelementptr inbounds %S.ast.Node, ptr %t148, i64 2
+  %t150 = load %S.ast.Node, ptr %t149
+  call void @finch.gen.block(ptr %t143, %S.ast.Node %t150, i1 true)
+  %t151 = load ptr, ptr %a1
+  %t152 = icmp eq ptr %t151, null
+  br i1 %t152, label %panic5140, label %ok5141
+panic5140:
+  call void @finch_panic(ptr @.str.3218, i64 2433, ptr @.str.3219)
+  unreachable
+ok5141:
+  %t153 = getelementptr inbounds %S.gen.Gen, ptr %t151, i32 0, i32 12
+  %t154 = getelementptr inbounds { ptr, i64, i64 }, ptr %t153, i32 0, i32 1
+  %t155 = load i64, ptr %t154
+  %t156 = icmp eq i64 %t155, 0
+  br i1 %t156, label %panic5142, label %ok5143
+panic5142:
+  call void @finch_panic(ptr @.str.3220, i64 2433, ptr @.str.3221)
+  unreachable
+ok5143:
+  %t157 = sub i64 %t155, 1
+  %t158 = load ptr, ptr %t153
+  %t159 = getelementptr inbounds %S.gen.Loop, ptr %t158, i64 %t157
+  %t160 = load %S.gen.Loop, ptr %t159
+  store i64 %t157, ptr %t154
+  store %S.gen.Loop %t160, ptr %a161
+  call void @finch.drop.S_gen_Loop(ptr %a161)
+  %t162 = load ptr, ptr %a1
+  %t163 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.gen.br(ptr %t162, { ptr, i64, i64 } %t163)
+  %t164 = load ptr, ptr %a1
+  %t165 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.gen.label(ptr %t164, { ptr, i64, i64 } %t165)
   %t166 = load ptr, ptr %a1
-  %t167 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.br(ptr %t166, { ptr, i64, i64 } %t167)
-  %t168 = load ptr, ptr %a1
-  %t169 = load { ptr, i64, i64 }, ptr %a71
-  call void @finch.gen.label(ptr %t168, { ptr, i64, i64 } %t169)
+  %t167 = load { ptr, i64, i64 }, ptr %a66
+  %t168 = call { ptr, i64, i64 } @finch.gen.load(ptr %t166, { ptr, i64, i64 } { ptr @.str.3222, i64 3, i64 0 }, { ptr, i64, i64 } %t167)
+  store { ptr, i64, i64 } %t168, ptr %a169
   %t170 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t170)
+  %t171 = load ptr, ptr %a1
+  %t172 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.3224, i64 8, i64 0 }, ptr %a174
+  store { ptr, i64, i64 } %t172, ptr %a175
+  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
+  %t176 = load { ptr, i64, i64 }, ptr %a173
+  store { ptr, i64, i64 } %t176, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.3225, i64 3, i64 0 }, ptr %a179
+  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
+  store { ptr, i64, i64 } %t176, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a177
+  %t182 = call { ptr, i64, i64 } @finch.gen.op(ptr %t171, { ptr, i64, i64 } %t181)
+  store { ptr, i64, i64 } %t181, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a66
+  call void @finch.gen.store(ptr %t170, { ptr, i64, i64 } { ptr @.str.3223, i64 3, i64 0 }, { ptr, i64, i64 } %t182, { ptr, i64, i64 } %t184)
+  store { ptr, i64, i64 } %t182, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load ptr, ptr %a1
+  %t187 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.br(ptr %t186, { ptr, i64, i64 } %t187)
+  %t188 = load ptr, ptr %a1
+  %t189 = load { ptr, i64, i64 }, ptr %a78
+  call void @finch.gen.label(ptr %t188, { ptr, i64, i64 } %t189)
+  %t190 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t190)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a106)
+  call void @finch_str_drop(ptr %a86)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a72)
+  call void @finch_str_drop(ptr %a69)
+  call void @finch_str_drop(ptr %a66)
+  call void @finch_str_drop(ptr %a56)
+  call void @finch_str_drop(ptr %a29)
   ret void
 }
 
@@ -44200,107 +51649,157 @@ entry:
   %a24 = alloca %S.ast.Type, align 16
   %a25 = alloca %S.ast.Type, align 16
   %a27 = alloca %S.ast.Type, align 16
-  %a47 = alloca i1, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca i1, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
   %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca %S.gen.Loop, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -44310,11 +51809,11 @@ entry:
   %t7 = load { ptr, i64, i64 }, ptr %t6
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 0, %t8
-  br i1 %t9, label %range4870, label %inrange4871
-range4870:
-  call void @finch_panic_index(ptr @.str.3115, i64 2256, i64 0, i64 %t8)
+  br i1 %t9, label %range5144, label %inrange5145
+range5144:
+  call void @finch_panic_index(ptr @.str.3226, i64 2445, i64 0, i64 %t8)
   unreachable
-inrange4871:
+inrange5145:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.ast.Type, ptr %t10, i64 0
   %t12 = load %S.ast.Type, ptr %t11
@@ -44326,11 +51825,11 @@ inrange4871:
   %t18 = load { ptr, i64, i64 }, ptr %t17
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 1, %t19
-  br i1 %t20, label %range4872, label %inrange4873
-range4872:
-  call void @finch_panic_index(ptr @.str.3116, i64 2257, i64 1, i64 %t19)
+  br i1 %t20, label %range5146, label %inrange5147
+range5146:
+  call void @finch_panic_index(ptr @.str.3227, i64 2446, i64 1, i64 %t19)
   unreachable
-inrange4873:
+inrange5147:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.ast.Type, ptr %t21, i64 1
   %t23 = load %S.ast.Type, ptr %t22
@@ -44339,20 +51838,20 @@ inrange4873:
   %t26 = load %S.ast.Type, ptr %a25
   store %S.ast.Type %t26, ptr %a27
   %t28 = load i1, ptr %a5
-  br label %logic.from4874
-logic.from4874:
-  br i1 %t28, label %logic.rhs4875, label %logic.end4876
-logic.rhs4875:
+  br label %logic.from5148
+logic.from5148:
+  br i1 %t28, label %logic.rhs5149, label %logic.end5150
+logic.rhs5149:
   %t29 = load ptr, ptr %a1
   %t30 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t31 = load { ptr, i64, i64 }, ptr %t30
   %t32 = extractvalue { ptr, i64, i64 } %t31, 1
   %t33 = icmp uge i64 0, %t32
-  br i1 %t33, label %range4877, label %inrange4878
-range4877:
-  call void @finch_panic_index(ptr @.str.3117, i64 2258, i64 0, i64 %t32)
+  br i1 %t33, label %range5151, label %inrange5152
+range5151:
+  call void @finch_panic_index(ptr @.str.3228, i64 2447, i64 0, i64 %t32)
   unreachable
-inrange4878:
+inrange5152:
   %t34 = extractvalue { ptr, i64, i64 } %t31, 0
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 0
   %t36 = load %S.ast.Node, ptr %t35
@@ -44361,458 +51860,603 @@ inrange4878:
   %t39 = load { ptr, i64, i64 }, ptr %t38
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 1, %t40
-  br i1 %t41, label %range4879, label %inrange4880
-range4879:
-  call void @finch_panic_index(ptr @.str.3118, i64 2258, i64 1, i64 %t40)
+  br i1 %t41, label %range5153, label %inrange5154
+range5153:
+  call void @finch_panic_index(ptr @.str.3229, i64 2447, i64 1, i64 %t40)
   unreachable
-inrange4880:
+inrange5154:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 1
   %t44 = load %S.ast.Node, ptr %t43
   %t45 = call i1 @finch.gen.mutates(ptr %t29, { ptr, i64, i64 } %t37, %S.ast.Node %t44)
-  br label %logic.rend4881
-logic.rend4881:
-  br label %logic.end4876
-logic.end4876:
-  %t46 = phi i1 [ false, %logic.from4874 ], [ %t45, %logic.rend4881 ]
-  store i1 %t46, ptr %a47
-  %t48 = load ptr, ptr %a1
-  %t49 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t48, { ptr, i64, i64 } { ptr @.str.3119, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t49, ptr %a50
-  %t51 = load ptr, ptr %a1
-  %t52 = load { ptr, i64, i64 }, ptr %a50
-  call void @finch.gen.store(ptr %t51, { ptr, i64, i64 } { ptr @.str.3120, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3121, i64 1, i64 0 }, { ptr, i64, i64 } %t52)
-  store { ptr, i64, i64 } { ptr @.str.3122, i64 0, i64 0 }, ptr %a53
-  %t54 = load i1, ptr %a5
-  br i1 %t54, label %then4882, label %endif4884
-then4882:
-  %t55 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t37, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  br label %logic.rend5155
+logic.rend5155:
+  br label %logic.end5150
+logic.end5150:
+  %t47 = phi i1 [ false, %logic.from5148 ], [ %t45, %logic.rend5155 ]
+  store i1 %t47, ptr %a48
+  %t49 = load ptr, ptr %a1
+  %t50 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t49, { ptr, i64, i64 } { ptr @.str.3230, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t50, ptr %a51
+  %t52 = load ptr, ptr %a1
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.store(ptr %t52, { ptr, i64, i64 } { ptr @.str.3231, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3232, i64 1, i64 0 }, { ptr, i64, i64 } %t53)
+  store { ptr, i64, i64 } { ptr @.str.3233, i64 0, i64 0 }, ptr %a54
+  %t55 = load i1, ptr %a5
+  br i1 %t55, label %then5156, label %endif5158
+then5156:
   %t56 = load ptr, ptr %a1
   %t57 = load ptr, ptr %a1
-  %t58 = load %S.ast.Type, ptr %a4
-  %t59 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t57, %S.ast.Type %t58)
-  store { ptr, i64, i64 } { ptr @.str.3124, i64 23, i64 0 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.3125, i64 6, i64 0 }, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t67, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.3126, i64 14, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = call { ptr, i64, i64 } @finch.gen.op(ptr %t56, { ptr, i64, i64 } %t76)
-  %t78 = call { ptr, i64, i64 } @finch.gen.load(ptr %t55, { ptr, i64, i64 } { ptr @.str.3123, i64 3, i64 0 }, { ptr, i64, i64 } %t77)
-  store { ptr, i64, i64 } %t78, ptr %a53
-  br label %endif4884
-endif4884:
-  %t79 = load ptr, ptr %a1
-  %t80 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t79, { ptr, i64, i64 } { ptr @.str.3127, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t82, { ptr, i64, i64 } { ptr @.str.3128, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t83, ptr %a84
-  %t85 = load ptr, ptr %a1
-  %t86 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t85, { ptr, i64, i64 } { ptr @.str.3129, i64 8, i64 0 })
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Type, ptr %a4
+  %t60 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t58, %S.ast.Type %t59)
+  store { ptr, i64, i64 } { ptr @.str.3235, i64 23, i64 0 }, ptr %a62
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t65, ptr %a67
+  store { ptr, i64, i64 } { ptr @.str.3236, i64 6, i64 0 }, ptr %a68
+  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
+  store { ptr, i64, i64 } %t65, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a66
+  %t71 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t70, ptr %a73
+  store { ptr, i64, i64 } %t71, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t70, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  store { ptr, i64, i64 } %t76, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.3237, i64 14, i64 0 }, ptr %a79
+  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
+  store { ptr, i64, i64 } %t76, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  %t81 = load { ptr, i64, i64 }, ptr %a77
+  %t82 = call { ptr, i64, i64 } @finch.gen.op(ptr %t57, { ptr, i64, i64 } %t81)
+  store { ptr, i64, i64 } %t81, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = call { ptr, i64, i64 } @finch.gen.load(ptr %t56, { ptr, i64, i64 } { ptr @.str.3234, i64 3, i64 0 }, { ptr, i64, i64 } %t82)
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t84, ptr %a54
   store { ptr, i64, i64 } %t86, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  br label %endif5158
+endif5158:
   %t88 = load ptr, ptr %a1
-  %t89 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t88, { ptr, i64, i64 } { ptr @.str.3130, i64 8, i64 0 })
+  %t89 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t88, { ptr, i64, i64 } { ptr @.str.3238, i64 8, i64 0 })
   store { ptr, i64, i64 } %t89, ptr %a90
   %t91 = load ptr, ptr %a1
-  %t92 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t91, { ptr, i64, i64 } { ptr @.str.3131, i64 7, i64 0 })
+  %t92 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t91, { ptr, i64, i64 } { ptr @.str.3239, i64 9, i64 0 })
   store { ptr, i64, i64 } %t92, ptr %a93
   %t94 = load ptr, ptr %a1
-  %t95 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.br(ptr %t94, { ptr, i64, i64 } %t95)
-  %t96 = load ptr, ptr %a1
-  %t97 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.label(ptr %t96, { ptr, i64, i64 } %t97)
-  %t98 = load i1, ptr %a5
-  br label %logic.from4885
-logic.from4885:
-  br i1 %t98, label %logic.rhs4886, label %logic.end4887
-logic.rhs4886:
-  %t99 = load i1, ptr %a47
-  br label %logic.rend4888
-logic.rend4888:
-  br label %logic.end4887
-logic.end4887:
-  %t100 = phi i1 [ false, %logic.from4885 ], [ %t99, %logic.rend4888 ]
-  br i1 %t100, label %then4889, label %endif4891
-then4889:
-  %t101 = load ptr, ptr %a1
-  %t102 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t101, { ptr, i64, i64 } { ptr @.str.3132, i64 11, i64 0 })
-  store { ptr, i64, i64 } %t102, ptr %a103
-  %t104 = load ptr, ptr %a1
-  %t105 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t104, { ptr, i64, i64 } { ptr @.str.3133, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t105, ptr %a106
-  %t107 = load ptr, ptr %a1
-  %t108 = load ptr, ptr %a1
-  %t109 = load ptr, ptr %a1
-  %t110 = load %S.ast.Type, ptr %a4
-  %t111 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t109, %S.ast.Type %t110)
-  store { ptr, i64, i64 } { ptr @.str.3135, i64 23, i64 0 }, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.3136, i64 6, i64 0 }, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  %t120 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t119, ptr %a122
+  %t95 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t94, { ptr, i64, i64 } { ptr @.str.3240, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t95, ptr %a96
+  %t97 = load ptr, ptr %a1
+  %t98 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t97, { ptr, i64, i64 } { ptr @.str.3241, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t98, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t100, { ptr, i64, i64 } { ptr @.str.3242, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t101, ptr %a102
+  %t103 = load ptr, ptr %a1
+  %t104 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t103, { ptr, i64, i64 } %t104)
+  %t105 = load ptr, ptr %a1
+  %t106 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.label(ptr %t105, { ptr, i64, i64 } %t106)
+  %t107 = load i1, ptr %a5
+  br label %logic.from5159
+logic.from5159:
+  br i1 %t107, label %logic.rhs5160, label %logic.end5161
+logic.rhs5160:
+  %t108 = load i1, ptr %a48
+  br label %logic.rend5162
+logic.rend5162:
+  br label %logic.end5161
+logic.end5161:
+  %t109 = phi i1 [ false, %logic.from5159 ], [ %t108, %logic.rend5162 ]
+  br i1 %t109, label %then5163, label %endif5165
+then5163:
+  %t110 = load ptr, ptr %a1
+  %t111 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t110, { ptr, i64, i64 } { ptr @.str.3243, i64 11, i64 0 })
+  store { ptr, i64, i64 } %t111, ptr %a112
+  %t113 = load ptr, ptr %a1
+  %t114 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t113, { ptr, i64, i64 } { ptr @.str.3244, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t114, ptr %a115
+  %t116 = load ptr, ptr %a1
+  %t117 = load ptr, ptr %a1
+  %t118 = load ptr, ptr %a1
+  %t119 = load %S.ast.Type, ptr %a4
+  %t120 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t118, %S.ast.Type %t119)
+  store { ptr, i64, i64 } { ptr @.str.3246, i64 23, i64 0 }, ptr %a122
   store { ptr, i64, i64 } %t120, ptr %a123
   call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
-  %t124 = load { ptr, i64, i64 }, ptr %a121
-  store { ptr, i64, i64 } %t124, ptr %a126
-  store { ptr, i64, i64 } { ptr @.str.3137, i64 14, i64 0 }, ptr %a127
-  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
-  %t128 = load { ptr, i64, i64 }, ptr %a125
-  %t129 = call { ptr, i64, i64 } @finch.gen.op(ptr %t108, { ptr, i64, i64 } %t128)
-  %t130 = call { ptr, i64, i64 } @finch.gen.load(ptr %t107, { ptr, i64, i64 } { ptr @.str.3134, i64 3, i64 0 }, { ptr, i64, i64 } %t129)
-  store { ptr, i64, i64 } %t130, ptr %a131
-  %t132 = load ptr, ptr %a1
-  %t133 = load ptr, ptr %a1
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.3138, i64 12, i64 0 }, ptr %a136
-  store { ptr, i64, i64 } %t134, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.3139, i64 2, i64 0 }, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load { ptr, i64, i64 }, ptr %a53
+  store { ptr, i64, i64 } %t120, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  store { ptr, i64, i64 } %t125, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.3247, i64 6, i64 0 }, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t125, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  %t131 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t130, ptr %a133
+  store { ptr, i64, i64 } %t131, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.3248, i64 14, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = call { ptr, i64, i64 } @finch.gen.op(ptr %t117, { ptr, i64, i64 } %t141)
+  store { ptr, i64, i64 } %t141, ptr %a143
+  call void @finch_str_drop(ptr %a143)
+  %t144 = call { ptr, i64, i64 } @finch.gen.load(ptr %t116, { ptr, i64, i64 } { ptr @.str.3245, i64 3, i64 0 }, { ptr, i64, i64 } %t142)
   store { ptr, i64, i64 } %t142, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = call { ptr, i64, i64 } @finch.gen.op(ptr %t133, { ptr, i64, i64 } %t147)
-  %t149 = load { ptr, i64, i64 }, ptr %a103
-  %t150 = load { ptr, i64, i64 }, ptr %a106
-  call void @finch.gen.condBr(ptr %t132, { ptr, i64, i64 } %t148, { ptr, i64, i64 } %t149, { ptr, i64, i64 } %t150)
-  %t151 = load ptr, ptr %a1
-  %t152 = load { ptr, i64, i64 }, ptr %a103
-  call void @finch.gen.label(ptr %t151, { ptr, i64, i64 } %t152)
-  %t153 = load ptr, ptr %a1
-  %t154 = load ptr, ptr %a1
-  %t155 = load ptr, ptr %a1
-  %t156 = icmp eq ptr %t155, null
-  br i1 %t156, label %panic4892, label %ok4893
-panic4892:
-  call void @finch_panic(ptr @.str.3141, i64 2279, ptr @.str.3142)
+  call void @finch_str_drop(ptr %a145)
+  store { ptr, i64, i64 } %t144, ptr %a146
+  %t147 = load ptr, ptr %a1
+  %t148 = load ptr, ptr %a1
+  %t149 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } { ptr @.str.3249, i64 12, i64 0 }, ptr %a151
+  store { ptr, i64, i64 } %t149, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  %t153 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t153, ptr %a155
+  store { ptr, i64, i64 } { ptr @.str.3250, i64 2, i64 0 }, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  store { ptr, i64, i64 } %t153, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a154
+  %t159 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t158, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a162
+  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
+  store { ptr, i64, i64 } %t158, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a160
+  %t165 = call { ptr, i64, i64 } @finch.gen.op(ptr %t148, { ptr, i64, i64 } %t164)
+  store { ptr, i64, i64 } %t164, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a112
+  %t168 = load { ptr, i64, i64 }, ptr %a115
+  call void @finch.gen.condBr(ptr %t147, { ptr, i64, i64 } %t165, { ptr, i64, i64 } %t167, { ptr, i64, i64 } %t168)
+  store { ptr, i64, i64 } %t165, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load ptr, ptr %a1
+  %t171 = load { ptr, i64, i64 }, ptr %a112
+  call void @finch.gen.label(ptr %t170, { ptr, i64, i64 } %t171)
+  %t172 = load ptr, ptr %a1
+  %t173 = load ptr, ptr %a1
+  %t174 = load ptr, ptr %a1
+  %t175 = icmp eq ptr %t174, null
+  br i1 %t175, label %panic5166, label %ok5167
+panic5166:
+  call void @finch_panic(ptr @.str.3252, i64 2468, ptr @.str.3253)
   unreachable
-ok4893:
-  %t157 = getelementptr inbounds %S.gen.Gen, ptr %t155, i32 0, i32 1
-  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t159 = load i64, ptr %t158
-  %t160 = load { ptr, i64, i64 }, ptr %t157
-  %t161 = extractvalue { ptr, i64, i64 } %t160, 1
-  %t162 = icmp uge i64 %t159, %t161
-  br i1 %t162, label %range4894, label %inrange4895
-range4894:
-  call void @finch_panic_index(ptr @.str.3143, i64 2279, i64 %t159, i64 %t161)
+ok5167:
+  %t176 = getelementptr inbounds %S.gen.Gen, ptr %t174, i32 0, i32 1
+  %t177 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t178 = load i64, ptr %t177
+  %t179 = load { ptr, i64, i64 }, ptr %t176
+  %t180 = extractvalue { ptr, i64, i64 } %t179, 1
+  %t181 = icmp uge i64 %t178, %t180
+  br i1 %t181, label %range5168, label %inrange5169
+range5168:
+  call void @finch_panic_index(ptr @.str.3254, i64 2468, i64 %t178, i64 %t180)
   unreachable
-inrange4895:
-  %t163 = extractvalue { ptr, i64, i64 } %t160, 0
-  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i64 %t159
-  %t165 = load { ptr, i64, i64 }, ptr %t164
-  %t166 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t154, { ptr, i64, i64 } %t165)
-  store { ptr, i64, i64 } { ptr @.str.3140, i64 33, i64 0 }, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.3144, i64 6, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  %t175 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t176 = load i64, ptr %t175
-  call void @finch_str_from_int(ptr %a177, i64 %t176)
-  %t178 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t174, ptr %a180
-  store { ptr, i64, i64 } %t178, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  store { ptr, i64, i64 } %t182, ptr %a184
-  store { ptr, i64, i64 } { ptr @.str.3145, i64 1, i64 0 }, ptr %a185
-  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.emit(ptr %t153, { ptr, i64, i64 } %t186)
-  %t187 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t187, { ptr, i64, i64 } { ptr @.str.3146, i64 11, i64 0 })
-  %t188 = load ptr, ptr %a1
-  %t189 = icmp eq ptr %t188, null
-  br i1 %t189, label %panic4896, label %ok4897
-panic4896:
-  call void @finch_panic(ptr @.str.3147, i64 2281, ptr @.str.3148)
-  unreachable
-ok4897:
-  %t190 = getelementptr inbounds %S.gen.Gen, ptr %t188, i32 0, i32 9
-  store i1 true, ptr %t190
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a106
-  call void @finch.gen.label(ptr %t191, { ptr, i64, i64 } %t192)
-  br label %endif4891
-endif4891:
-  %t193 = load ptr, ptr %a1
-  %t194 = load { ptr, i64, i64 }, ptr %a50
-  %t195 = call { ptr, i64, i64 } @finch.gen.load(ptr %t193, { ptr, i64, i64 } { ptr @.str.3149, i64 3, i64 0 }, { ptr, i64, i64 } %t194)
-  store { ptr, i64, i64 } %t195, ptr %a196
-  %t197 = load ptr, ptr %a1
-  %t198 = load ptr, ptr %a1
-  %t199 = load ptr, ptr %a1
-  %t200 = load %S.ast.Type, ptr %a4
-  %t201 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t199, %S.ast.Type %t200)
-  store { ptr, i64, i64 } { ptr @.str.3151, i64 23, i64 0 }, ptr %a203
-  store { ptr, i64, i64 } %t201, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
+inrange5169:
+  %t182 = extractvalue { ptr, i64, i64 } %t179, 0
+  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i64 %t178
+  %t184 = load { ptr, i64, i64 }, ptr %t183
+  %t185 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t173, { ptr, i64, i64 } %t184)
+  store { ptr, i64, i64 } { ptr @.str.3251, i64 33, i64 0 }, ptr %a187
+  store { ptr, i64, i64 } %t185, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t185, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  %t190 = load { ptr, i64, i64 }, ptr %a186
+  store { ptr, i64, i64 } %t190, ptr %a192
+  store { ptr, i64, i64 } { ptr @.str.3255, i64 6, i64 0 }, ptr %a193
+  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
+  store { ptr, i64, i64 } %t190, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  %t195 = load { ptr, i64, i64 }, ptr %a191
+  %t196 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t197 = load i64, ptr %t196
+  call void @finch_str_from_int(ptr %a198, i64 %t197)
+  %t199 = load { ptr, i64, i64 }, ptr %a198
+  store { ptr, i64, i64 } %t195, ptr %a201
+  store { ptr, i64, i64 } %t199, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t195, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  store { ptr, i64, i64 } %t199, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a200
   store { ptr, i64, i64 } %t205, ptr %a207
-  store { ptr, i64, i64 } { ptr @.str.3152, i64 6, i64 0 }, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.3256, i64 1, i64 0 }, ptr %a208
   call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  %t210 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t209, ptr %a212
-  store { ptr, i64, i64 } %t210, ptr %a213
-  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
-  %t214 = load { ptr, i64, i64 }, ptr %a211
-  store { ptr, i64, i64 } %t214, ptr %a216
-  store { ptr, i64, i64 } { ptr @.str.3153, i64 14, i64 0 }, ptr %a217
-  call void @finch_str_concat(ptr %a215, ptr %a216, ptr %a217)
-  %t218 = load { ptr, i64, i64 }, ptr %a215
-  %t219 = call { ptr, i64, i64 } @finch.gen.op(ptr %t198, { ptr, i64, i64 } %t218)
-  %t220 = call { ptr, i64, i64 } @finch.gen.load(ptr %t197, { ptr, i64, i64 } { ptr @.str.3150, i64 3, i64 0 }, { ptr, i64, i64 } %t219)
+  store { ptr, i64, i64 } %t205, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load { ptr, i64, i64 }, ptr %a206
+  call void @finch.gen.emit(ptr %t172, { ptr, i64, i64 } %t210)
+  store { ptr, i64, i64 } %t210, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t212, { ptr, i64, i64 } { ptr @.str.3257, i64 11, i64 0 })
+  %t213 = load ptr, ptr %a1
+  %t214 = icmp eq ptr %t213, null
+  br i1 %t214, label %panic5170, label %ok5171
+panic5170:
+  call void @finch_panic(ptr @.str.3258, i64 2470, ptr @.str.3259)
+  unreachable
+ok5171:
+  %t215 = getelementptr inbounds %S.gen.Gen, ptr %t213, i32 0, i32 9
+  store i1 true, ptr %t215
+  %t216 = load ptr, ptr %a1
+  %t217 = load { ptr, i64, i64 }, ptr %a115
+  call void @finch.gen.label(ptr %t216, { ptr, i64, i64 } %t217)
+  call void @finch_str_drop(ptr %a146)
+  call void @finch_str_drop(ptr %a115)
+  call void @finch_str_drop(ptr %a112)
+  br label %endif5165
+endif5165:
+  %t218 = load ptr, ptr %a1
+  %t219 = load { ptr, i64, i64 }, ptr %a51
+  %t220 = call { ptr, i64, i64 } @finch.gen.load(ptr %t218, { ptr, i64, i64 } { ptr @.str.3260, i64 3, i64 0 }, { ptr, i64, i64 } %t219)
   store { ptr, i64, i64 } %t220, ptr %a221
   %t222 = load ptr, ptr %a1
   %t223 = load ptr, ptr %a1
-  %t224 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.3154, i64 13, i64 0 }, ptr %a226
-  store { ptr, i64, i64 } %t224, ptr %a227
-  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
-  %t228 = load { ptr, i64, i64 }, ptr %a225
-  store { ptr, i64, i64 } %t228, ptr %a230
-  store { ptr, i64, i64 } { ptr @.str.3155, i64 2, i64 0 }, ptr %a231
-  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
-  %t232 = load { ptr, i64, i64 }, ptr %a229
-  %t233 = load { ptr, i64, i64 }, ptr %a221
-  store { ptr, i64, i64 } %t232, ptr %a235
-  store { ptr, i64, i64 } %t233, ptr %a236
-  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  %t238 = call { ptr, i64, i64 } @finch.gen.op(ptr %t223, { ptr, i64, i64 } %t237)
-  %t239 = load { ptr, i64, i64 }, ptr %a84
-  %t240 = load { ptr, i64, i64 }, ptr %a93
-  call void @finch.gen.condBr(ptr %t222, { ptr, i64, i64 } %t238, { ptr, i64, i64 } %t239, { ptr, i64, i64 } %t240)
-  %t241 = load ptr, ptr %a1
-  %t242 = load { ptr, i64, i64 }, ptr %a84
-  call void @finch.gen.label(ptr %t241, { ptr, i64, i64 } %t242)
-  %t243 = load ptr, ptr %a1
-  %t244 = load { ptr, i64, i64 }, ptr %a3
-  %t245 = load %S.ast.Type, ptr %a4
-  %t246 = load { ptr, i64, i64 }, ptr %a196
-  %t247 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t243, { ptr, i64, i64 } %t244, %S.ast.Type %t245, { ptr, i64, i64 } %t246)
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = load ptr, ptr %a1
-  %t250 = load ptr, ptr %a1
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  %t252 = load %S.ast.Type, ptr %a4
-  %t253 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t250, { ptr, i64, i64 } %t251, %S.ast.Type %t252, i64 0)
-  %t254 = call { ptr, i64, i64 } @finch.gen.load(ptr %t249, { ptr, i64, i64 } { ptr @.str.3156, i64 3, i64 0 }, { ptr, i64, i64 } %t253)
-  store { ptr, i64, i64 } %t254, ptr %a255
-  %t256 = load ptr, ptr %a1
-  %t257 = load ptr, ptr %a1
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  store { ptr, i64, i64 } { ptr @.str.3157, i64 12, i64 0 }, ptr %a260
-  store { ptr, i64, i64 } %t258, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.3158, i64 3, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  %t267 = call { ptr, i64, i64 } @finch.gen.op(ptr %t257, { ptr, i64, i64 } %t266)
-  %t268 = load { ptr, i64, i64 }, ptr %a90
-  %t269 = load { ptr, i64, i64 }, ptr %a87
-  call void @finch.gen.condBr(ptr %t256, { ptr, i64, i64 } %t267, { ptr, i64, i64 } %t268, { ptr, i64, i64 } %t269)
-  %t270 = load ptr, ptr %a1
-  %t271 = load { ptr, i64, i64 }, ptr %a87
-  call void @finch.gen.label(ptr %t270, { ptr, i64, i64 } %t271)
-  %t272 = load ptr, ptr %a1
-  %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic4898, label %ok4899
-panic4898:
-  call void @finch_panic(ptr @.str.3159, i64 2292, ptr @.str.3160)
+  %t224 = load ptr, ptr %a1
+  %t225 = load %S.ast.Type, ptr %a4
+  %t226 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t224, %S.ast.Type %t225)
+  store { ptr, i64, i64 } { ptr @.str.3262, i64 23, i64 0 }, ptr %a228
+  store { ptr, i64, i64 } %t226, ptr %a229
+  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
+  store { ptr, i64, i64 } %t226, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = load { ptr, i64, i64 }, ptr %a227
+  store { ptr, i64, i64 } %t231, ptr %a233
+  store { ptr, i64, i64 } { ptr @.str.3263, i64 6, i64 0 }, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t231, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a232
+  %t237 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t236, ptr %a239
+  store { ptr, i64, i64 } %t237, ptr %a240
+  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
+  store { ptr, i64, i64 } %t236, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  %t242 = load { ptr, i64, i64 }, ptr %a238
+  store { ptr, i64, i64 } %t242, ptr %a244
+  store { ptr, i64, i64 } { ptr @.str.3264, i64 14, i64 0 }, ptr %a245
+  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
+  store { ptr, i64, i64 } %t242, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  %t247 = load { ptr, i64, i64 }, ptr %a243
+  %t248 = call { ptr, i64, i64 } @finch.gen.op(ptr %t223, { ptr, i64, i64 } %t247)
+  store { ptr, i64, i64 } %t247, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  %t250 = call { ptr, i64, i64 } @finch.gen.load(ptr %t222, { ptr, i64, i64 } { ptr @.str.3261, i64 3, i64 0 }, { ptr, i64, i64 } %t248)
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch_str_drop(ptr %a251)
+  store { ptr, i64, i64 } %t250, ptr %a252
+  %t253 = load ptr, ptr %a1
+  %t254 = load ptr, ptr %a1
+  %t255 = load { ptr, i64, i64 }, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.3265, i64 13, i64 0 }, ptr %a257
+  store { ptr, i64, i64 } %t255, ptr %a258
+  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a256
+  store { ptr, i64, i64 } %t259, ptr %a261
+  store { ptr, i64, i64 } { ptr @.str.3266, i64 2, i64 0 }, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  store { ptr, i64, i64 } %t259, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  %t264 = load { ptr, i64, i64 }, ptr %a260
+  %t265 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t264, ptr %a267
+  store { ptr, i64, i64 } %t265, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t264, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  %t271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t254, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a93
+  %t274 = load { ptr, i64, i64 }, ptr %a102
+  call void @finch.gen.condBr(ptr %t253, { ptr, i64, i64 } %t271, { ptr, i64, i64 } %t273, { ptr, i64, i64 } %t274)
+  store { ptr, i64, i64 } %t271, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = load ptr, ptr %a1
+  %t277 = load { ptr, i64, i64 }, ptr %a93
+  call void @finch.gen.label(ptr %t276, { ptr, i64, i64 } %t277)
+  %t278 = load ptr, ptr %a1
+  %t279 = load { ptr, i64, i64 }, ptr %a3
+  %t280 = load %S.ast.Type, ptr %a4
+  %t281 = load { ptr, i64, i64 }, ptr %a221
+  %t282 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t278, { ptr, i64, i64 } %t279, %S.ast.Type %t280, { ptr, i64, i64 } %t281)
+  store { ptr, i64, i64 } %t282, ptr %a283
+  %t284 = load ptr, ptr %a1
+  %t285 = load ptr, ptr %a1
+  %t286 = load { ptr, i64, i64 }, ptr %a283
+  %t287 = load %S.ast.Type, ptr %a4
+  %t288 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t285, { ptr, i64, i64 } %t286, %S.ast.Type %t287, i64 0)
+  %t289 = call { ptr, i64, i64 } @finch.gen.load(ptr %t284, { ptr, i64, i64 } { ptr @.str.3267, i64 3, i64 0 }, { ptr, i64, i64 } %t288)
+  store { ptr, i64, i64 } %t288, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  store { ptr, i64, i64 } %t289, ptr %a291
+  %t292 = load ptr, ptr %a1
+  %t293 = load ptr, ptr %a1
+  %t294 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } { ptr @.str.3268, i64 12, i64 0 }, ptr %a296
+  store { ptr, i64, i64 } %t294, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  %t298 = load { ptr, i64, i64 }, ptr %a295
+  store { ptr, i64, i64 } %t298, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.3269, i64 3, i64 0 }, ptr %a301
+  call void @finch_str_concat(ptr %a299, ptr %a300, ptr %a301)
+  store { ptr, i64, i64 } %t298, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  %t303 = load { ptr, i64, i64 }, ptr %a299
+  %t304 = call { ptr, i64, i64 } @finch.gen.op(ptr %t293, { ptr, i64, i64 } %t303)
+  store { ptr, i64, i64 } %t303, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  %t306 = load { ptr, i64, i64 }, ptr %a99
+  %t307 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.gen.condBr(ptr %t292, { ptr, i64, i64 } %t304, { ptr, i64, i64 } %t306, { ptr, i64, i64 } %t307)
+  store { ptr, i64, i64 } %t304, ptr %a308
+  call void @finch_str_drop(ptr %a308)
+  %t309 = load ptr, ptr %a1
+  %t310 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.gen.label(ptr %t309, { ptr, i64, i64 } %t310)
+  %t311 = load ptr, ptr %a1
+  %t312 = icmp eq ptr %t311, null
+  br i1 %t312, label %panic5172, label %ok5173
+panic5172:
+  call void @finch_panic(ptr @.str.3270, i64 2481, ptr @.str.3271)
   unreachable
-ok4899:
-  %t274 = getelementptr inbounds %S.gen.Gen, ptr %t272, i32 0, i32 11
-  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %t274, i32 0, i32 1
-  %t276 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t276, ptr %a277
-  call void @finch_str_copy(ptr %a278, ptr %a277)
-  %t279 = load { ptr, i64, i64 }, ptr %a278
-  %t280 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t279, 0
-  %t281 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t281, ptr %a282
-  call void @finch_str_copy(ptr %a283, ptr %a282)
-  %t284 = load { ptr, i64, i64 }, ptr %a283
-  %t285 = insertvalue %S.gen.Loop %t280, { ptr, i64, i64 } %t284, 1
-  %t286 = load ptr, ptr %a1
-  %t287 = icmp eq ptr %t286, null
-  br i1 %t287, label %panic4900, label %ok4901
-panic4900:
-  call void @finch_panic(ptr @.str.3161, i64 2292, ptr @.str.3162)
+ok5173:
+  %t313 = getelementptr inbounds %S.gen.Gen, ptr %t311, i32 0, i32 12
+  %t314 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i32 0, i32 1
+  %t315 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t315, ptr %a316
+  call void @finch_str_copy(ptr %a317, ptr %a316)
+  %t318 = load { ptr, i64, i64 }, ptr %a317
+  %t319 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t318, 0
+  %t320 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t320, ptr %a321
+  call void @finch_str_copy(ptr %a322, ptr %a321)
+  %t323 = load { ptr, i64, i64 }, ptr %a322
+  %t324 = insertvalue %S.gen.Loop %t319, { ptr, i64, i64 } %t323, 1
+  %t325 = load ptr, ptr %a1
+  %t326 = icmp eq ptr %t325, null
+  br i1 %t326, label %panic5174, label %ok5175
+panic5174:
+  call void @finch_panic(ptr @.str.3272, i64 2481, ptr @.str.3273)
   unreachable
-ok4901:
-  %t288 = getelementptr inbounds %S.gen.Gen, ptr %t286, i32 0, i32 10
-  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t288, i32 0, i32 1
-  %t290 = load i64, ptr %t289
-  %t291 = insertvalue %S.gen.Loop %t285, i64 %t290, 2
-  %t292 = load i64, ptr %t275
-  %t293 = add i64 %t292, 1
-  call void @finch_arr_reserve(ptr %t274, i64 %t293, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t294 = load ptr, ptr %t274
-  %t295 = getelementptr inbounds %S.gen.Loop, ptr %t294, i64 %t292
-  store %S.gen.Loop %t291, ptr %t295
-  store i64 %t293, ptr %t275
-  %t296 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t296)
-  %t297 = load ptr, ptr %a1
-  %t298 = load ptr, ptr %a1
-  %t299 = load %S.ast.Type, ptr %a16
-  %t300 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t298, %S.ast.Type %t299)
-  %t301 = load ptr, ptr %a1
-  %t302 = load { ptr, i64, i64 }, ptr %a248
-  %t303 = load %S.ast.Type, ptr %a4
-  %t304 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t301, { ptr, i64, i64 } %t302, %S.ast.Type %t303, i64 1)
-  %t305 = call { ptr, i64, i64 } @finch.gen.load(ptr %t297, { ptr, i64, i64 } %t300, { ptr, i64, i64 } %t304)
-  store { ptr, i64, i64 } %t305, ptr %a306
-  %t307 = load i1, ptr %a47
-  br i1 %t307, label %then4902, label %endif4904
-then4902:
-  %t308 = load ptr, ptr %a1
-  %t309 = load { ptr, i64, i64 }, ptr %a306
-  %t310 = load %S.ast.Type, ptr %a16
-  %t311 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t308, { ptr, i64, i64 } %t309, %S.ast.Type %t310)
-  store { ptr, i64, i64 } %t311, ptr %a306
-  br label %endif4904
-endif4904:
-  %t312 = load ptr, ptr %a1
-  %t313 = load %S.ast.Node, ptr %a2
-  %t314 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t315 = load { ptr, i64, i64 }, ptr %t314
-  %t316 = load %S.ast.Type, ptr %a16
-  %t317 = load { ptr, i64, i64 }, ptr %a306
-  %t318 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t312, %S.ast.Node %t313, { ptr, i64, i64 } %t315, %S.ast.Type %t316, { ptr, i64, i64 } %t317, i1 true)
-  %t319 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %t319, i32 0, i32 1
-  %t321 = load i64, ptr %t320
-  %t322 = icmp sgt i64 %t321, 0
-  br i1 %t322, label %then4905, label %endif4907
-then4905:
-  %t323 = load ptr, ptr %a1
-  %t324 = load ptr, ptr %a1
-  %t325 = load %S.ast.Type, ptr %a27
-  %t326 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t324, %S.ast.Type %t325)
-  %t327 = load ptr, ptr %a1
-  %t328 = load { ptr, i64, i64 }, ptr %a248
-  %t329 = load %S.ast.Type, ptr %a4
-  %t330 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t327, { ptr, i64, i64 } %t328, %S.ast.Type %t329, i64 2)
-  %t331 = call { ptr, i64, i64 } @finch.gen.load(ptr %t323, { ptr, i64, i64 } %t326, { ptr, i64, i64 } %t330)
-  store { ptr, i64, i64 } %t331, ptr %a332
-  %t333 = load i1, ptr %a47
-  br i1 %t333, label %then4908, label %endif4910
-then4908:
-  %t334 = load ptr, ptr %a1
-  %t335 = load { ptr, i64, i64 }, ptr %a332
-  %t336 = load %S.ast.Type, ptr %a27
-  %t337 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t334, { ptr, i64, i64 } %t335, %S.ast.Type %t336)
-  store { ptr, i64, i64 } %t337, ptr %a332
-  br label %endif4910
-endif4910:
-  %t338 = load ptr, ptr %a1
-  %t339 = load %S.ast.Node, ptr %a2
-  %t340 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t341 = load { ptr, i64, i64 }, ptr %t340
-  %t342 = load %S.ast.Type, ptr %a27
-  %t343 = load { ptr, i64, i64 }, ptr %a332
-  %t344 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t338, %S.ast.Node %t339, { ptr, i64, i64 } %t341, %S.ast.Type %t342, { ptr, i64, i64 } %t343, i1 true)
-  br label %endif4907
-endif4907:
-  %t345 = load ptr, ptr %a1
-  %t346 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t347 = load { ptr, i64, i64 }, ptr %t346
-  %t348 = extractvalue { ptr, i64, i64 } %t347, 1
-  %t349 = icmp uge i64 1, %t348
-  br i1 %t349, label %range4911, label %inrange4912
-range4911:
-  call void @finch_panic_index(ptr @.str.3163, i64 2306, i64 1, i64 %t348)
+ok5175:
+  %t327 = getelementptr inbounds %S.gen.Gen, ptr %t325, i32 0, i32 10
+  %t328 = getelementptr inbounds { ptr, i64, i64 }, ptr %t327, i32 0, i32 1
+  %t329 = load i64, ptr %t328
+  %t330 = insertvalue %S.gen.Loop %t324, i64 %t329, 2
+  %t331 = load ptr, ptr %a1
+  %t332 = icmp eq ptr %t331, null
+  br i1 %t332, label %panic5176, label %ok5177
+panic5176:
+  call void @finch_panic(ptr @.str.3274, i64 2481, ptr @.str.3275)
   unreachable
-inrange4912:
-  %t350 = extractvalue { ptr, i64, i64 } %t347, 0
-  %t351 = getelementptr inbounds %S.ast.Node, ptr %t350, i64 1
-  %t352 = load %S.ast.Node, ptr %t351
-  call void @finch.gen.block(ptr %t345, %S.ast.Node %t352, i1 true)
-  %t353 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t353)
-  %t354 = load ptr, ptr %a1
-  %t355 = icmp eq ptr %t354, null
-  br i1 %t355, label %panic4913, label %ok4914
-panic4913:
-  call void @finch_panic(ptr @.str.3164, i64 2308, ptr @.str.3165)
-  unreachable
-ok4914:
-  %t356 = getelementptr inbounds %S.gen.Gen, ptr %t354, i32 0, i32 11
-  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
-  %t358 = load i64, ptr %t357
-  %t359 = icmp eq i64 %t358, 0
-  br i1 %t359, label %panic4915, label %ok4916
-panic4915:
-  call void @finch_panic(ptr @.str.3166, i64 2308, ptr @.str.3167)
-  unreachable
-ok4916:
-  %t360 = sub i64 %t358, 1
-  %t361 = load ptr, ptr %t356
-  %t362 = getelementptr inbounds %S.gen.Loop, ptr %t361, i64 %t360
-  %t363 = load %S.gen.Loop, ptr %t362
-  store i64 %t360, ptr %t357
-  %t364 = load ptr, ptr %a1
-  %t365 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.br(ptr %t364, { ptr, i64, i64 } %t365)
-  %t366 = load ptr, ptr %a1
-  %t367 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.label(ptr %t366, { ptr, i64, i64 } %t367)
-  %t368 = load ptr, ptr %a1
-  %t369 = load { ptr, i64, i64 }, ptr %a50
-  %t370 = call { ptr, i64, i64 } @finch.gen.load(ptr %t368, { ptr, i64, i64 } { ptr @.str.3168, i64 3, i64 0 }, { ptr, i64, i64 } %t369)
-  store { ptr, i64, i64 } %t370, ptr %a371
-  %t372 = load ptr, ptr %a1
-  %t373 = load ptr, ptr %a1
-  %t374 = load { ptr, i64, i64 }, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.3170, i64 8, i64 0 }, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t378, ptr %a380
-  store { ptr, i64, i64 } { ptr @.str.3171, i64 3, i64 0 }, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  %t383 = call { ptr, i64, i64 } @finch.gen.op(ptr %t373, { ptr, i64, i64 } %t382)
-  %t384 = load { ptr, i64, i64 }, ptr %a50
-  call void @finch.gen.store(ptr %t372, { ptr, i64, i64 } { ptr @.str.3169, i64 3, i64 0 }, { ptr, i64, i64 } %t383, { ptr, i64, i64 } %t384)
-  %t385 = load ptr, ptr %a1
-  %t386 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.br(ptr %t385, { ptr, i64, i64 } %t386)
+ok5177:
+  %t333 = getelementptr inbounds %S.gen.Gen, ptr %t331, i32 0, i32 11
+  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i32 0, i32 1
+  %t335 = load i64, ptr %t334
+  %t336 = insertvalue %S.gen.Loop %t330, i64 %t335, 3
+  %t337 = load i64, ptr %t314
+  %t338 = add i64 %t337, 1
+  call void @finch_arr_reserve(ptr %t313, i64 %t338, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t339 = load ptr, ptr %t313
+  %t340 = getelementptr inbounds %S.gen.Loop, ptr %t339, i64 %t337
+  store %S.gen.Loop %t336, ptr %t340
+  store i64 %t338, ptr %t314
+  %t341 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t341)
+  %t342 = load ptr, ptr %a1
+  %t343 = load ptr, ptr %a1
+  %t344 = load %S.ast.Type, ptr %a16
+  %t345 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t343, %S.ast.Type %t344)
+  %t346 = load ptr, ptr %a1
+  %t347 = load { ptr, i64, i64 }, ptr %a283
+  %t348 = load %S.ast.Type, ptr %a4
+  %t349 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t346, { ptr, i64, i64 } %t347, %S.ast.Type %t348, i64 1)
+  %t350 = call { ptr, i64, i64 } @finch.gen.load(ptr %t342, { ptr, i64, i64 } %t345, { ptr, i64, i64 } %t349)
+  store { ptr, i64, i64 } %t345, ptr %a351
+  call void @finch_str_drop(ptr %a351)
+  store { ptr, i64, i64 } %t349, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  store { ptr, i64, i64 } %t350, ptr %a353
+  %t354 = load i1, ptr %a48
+  br i1 %t354, label %then5178, label %endif5180
+then5178:
+  %t355 = load ptr, ptr %a1
+  %t356 = load { ptr, i64, i64 }, ptr %a353
+  %t357 = load %S.ast.Type, ptr %a16
+  %t358 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t355, { ptr, i64, i64 } %t356, %S.ast.Type %t357)
+  %t359 = load { ptr, i64, i64 }, ptr %a353
+  store { ptr, i64, i64 } %t358, ptr %a353
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  br label %endif5180
+endif5180:
+  %t361 = load ptr, ptr %a1
+  %t362 = load %S.ast.Node, ptr %a2
+  %t363 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t364 = load { ptr, i64, i64 }, ptr %t363
+  %t365 = load %S.ast.Type, ptr %a16
+  %t366 = load { ptr, i64, i64 }, ptr %a353
+  %t367 = load i1, ptr %a48
+  %t368 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t361, %S.ast.Node %t362, { ptr, i64, i64 } %t364, %S.ast.Type %t365, { ptr, i64, i64 } %t366, i1 true, i1 %t367)
+  store { ptr, i64, i64 } %t368, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t371 = getelementptr inbounds { ptr, i64, i64 }, ptr %t370, i32 0, i32 1
+  %t372 = load i64, ptr %t371
+  %t373 = icmp sgt i64 %t372, 0
+  br i1 %t373, label %then5181, label %endif5183
+then5181:
+  %t374 = load ptr, ptr %a1
+  %t375 = load ptr, ptr %a1
+  %t376 = load %S.ast.Type, ptr %a27
+  %t377 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t375, %S.ast.Type %t376)
+  %t378 = load ptr, ptr %a1
+  %t379 = load { ptr, i64, i64 }, ptr %a283
+  %t380 = load %S.ast.Type, ptr %a4
+  %t381 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t378, { ptr, i64, i64 } %t379, %S.ast.Type %t380, i64 2)
+  %t382 = call { ptr, i64, i64 } @finch.gen.load(ptr %t374, { ptr, i64, i64 } %t377, { ptr, i64, i64 } %t381)
+  store { ptr, i64, i64 } %t377, ptr %a383
+  call void @finch_str_drop(ptr %a383)
+  store { ptr, i64, i64 } %t381, ptr %a384
+  call void @finch_str_drop(ptr %a384)
+  store { ptr, i64, i64 } %t382, ptr %a385
+  %t386 = load i1, ptr %a48
+  br i1 %t386, label %then5184, label %endif5186
+then5184:
   %t387 = load ptr, ptr %a1
-  %t388 = load { ptr, i64, i64 }, ptr %a93
-  call void @finch.gen.label(ptr %t387, { ptr, i64, i64 } %t388)
+  %t388 = load { ptr, i64, i64 }, ptr %a385
+  %t389 = load %S.ast.Type, ptr %a27
+  %t390 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t387, { ptr, i64, i64 } %t388, %S.ast.Type %t389)
+  %t391 = load { ptr, i64, i64 }, ptr %a385
+  store { ptr, i64, i64 } %t390, ptr %a385
+  store { ptr, i64, i64 } %t391, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  br label %endif5186
+endif5186:
+  %t393 = load ptr, ptr %a1
+  %t394 = load %S.ast.Node, ptr %a2
+  %t395 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t396 = load { ptr, i64, i64 }, ptr %t395
+  %t397 = load %S.ast.Type, ptr %a27
+  %t398 = load { ptr, i64, i64 }, ptr %a385
+  %t399 = load i1, ptr %a48
+  %t400 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t393, %S.ast.Node %t394, { ptr, i64, i64 } %t396, %S.ast.Type %t397, { ptr, i64, i64 } %t398, i1 true, i1 %t399)
+  store { ptr, i64, i64 } %t400, ptr %a401
+  call void @finch_str_drop(ptr %a401)
+  call void @finch_str_drop(ptr %a385)
+  br label %endif5183
+endif5183:
+  %t402 = load ptr, ptr %a1
+  %t403 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t404 = load { ptr, i64, i64 }, ptr %t403
+  %t405 = extractvalue { ptr, i64, i64 } %t404, 1
+  %t406 = icmp uge i64 1, %t405
+  br i1 %t406, label %range5187, label %inrange5188
+range5187:
+  call void @finch_panic_index(ptr @.str.3276, i64 2495, i64 1, i64 %t405)
+  unreachable
+inrange5188:
+  %t407 = extractvalue { ptr, i64, i64 } %t404, 0
+  %t408 = getelementptr inbounds %S.ast.Node, ptr %t407, i64 1
+  %t409 = load %S.ast.Node, ptr %t408
+  call void @finch.gen.block(ptr %t402, %S.ast.Node %t409, i1 true)
+  %t410 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t410)
+  %t411 = load ptr, ptr %a1
+  %t412 = icmp eq ptr %t411, null
+  br i1 %t412, label %panic5189, label %ok5190
+panic5189:
+  call void @finch_panic(ptr @.str.3277, i64 2497, ptr @.str.3278)
+  unreachable
+ok5190:
+  %t413 = getelementptr inbounds %S.gen.Gen, ptr %t411, i32 0, i32 12
+  %t414 = getelementptr inbounds { ptr, i64, i64 }, ptr %t413, i32 0, i32 1
+  %t415 = load i64, ptr %t414
+  %t416 = icmp eq i64 %t415, 0
+  br i1 %t416, label %panic5191, label %ok5192
+panic5191:
+  call void @finch_panic(ptr @.str.3279, i64 2497, ptr @.str.3280)
+  unreachable
+ok5192:
+  %t417 = sub i64 %t415, 1
+  %t418 = load ptr, ptr %t413
+  %t419 = getelementptr inbounds %S.gen.Loop, ptr %t418, i64 %t417
+  %t420 = load %S.gen.Loop, ptr %t419
+  store i64 %t417, ptr %t414
+  store %S.gen.Loop %t420, ptr %a421
+  call void @finch.drop.S_gen_Loop(ptr %a421)
+  %t422 = load ptr, ptr %a1
+  %t423 = load { ptr, i64, i64 }, ptr %a99
+  call void @finch.gen.br(ptr %t422, { ptr, i64, i64 } %t423)
+  %t424 = load ptr, ptr %a1
+  %t425 = load { ptr, i64, i64 }, ptr %a99
+  call void @finch.gen.label(ptr %t424, { ptr, i64, i64 } %t425)
+  %t426 = load ptr, ptr %a1
+  %t427 = load { ptr, i64, i64 }, ptr %a51
+  %t428 = call { ptr, i64, i64 } @finch.gen.load(ptr %t426, { ptr, i64, i64 } { ptr @.str.3281, i64 3, i64 0 }, { ptr, i64, i64 } %t427)
+  store { ptr, i64, i64 } %t428, ptr %a429
+  %t430 = load ptr, ptr %a1
+  %t431 = load ptr, ptr %a1
+  %t432 = load { ptr, i64, i64 }, ptr %a429
+  store { ptr, i64, i64 } { ptr @.str.3283, i64 8, i64 0 }, ptr %a434
+  store { ptr, i64, i64 } %t432, ptr %a435
+  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
+  %t436 = load { ptr, i64, i64 }, ptr %a433
+  store { ptr, i64, i64 } %t436, ptr %a438
+  store { ptr, i64, i64 } { ptr @.str.3284, i64 3, i64 0 }, ptr %a439
+  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
+  store { ptr, i64, i64 } %t436, ptr %a440
+  call void @finch_str_drop(ptr %a440)
+  %t441 = load { ptr, i64, i64 }, ptr %a437
+  %t442 = call { ptr, i64, i64 } @finch.gen.op(ptr %t431, { ptr, i64, i64 } %t441)
+  store { ptr, i64, i64 } %t441, ptr %a443
+  call void @finch_str_drop(ptr %a443)
+  %t444 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.store(ptr %t430, { ptr, i64, i64 } { ptr @.str.3282, i64 3, i64 0 }, { ptr, i64, i64 } %t442, { ptr, i64, i64 } %t444)
+  store { ptr, i64, i64 } %t442, ptr %a445
+  call void @finch_str_drop(ptr %a445)
+  %t446 = load ptr, ptr %a1
+  %t447 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t446, { ptr, i64, i64 } %t447)
+  %t448 = load ptr, ptr %a1
+  %t449 = load { ptr, i64, i64 }, ptr %a102
+  call void @finch.gen.label(ptr %t448, { ptr, i64, i64 } %t449)
+  call void @finch_str_drop(ptr %a429)
+  call void @finch_str_drop(ptr %a353)
+  call void @finch_str_drop(ptr %a291)
+  call void @finch_str_drop(ptr %a283)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a221)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a96)
+  call void @finch_str_drop(ptr %a93)
+  call void @finch_str_drop(ptr %a90)
+  call void @finch_str_drop(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Ref(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Ref, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_gen_Place(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Ref, ptr %a, i32 0, i32 2
+  call void @finch.drop.S_gen_Val(ptr %t2)
   ret void
 }
 
@@ -44825,85 +52469,123 @@ entry:
   %a16 = alloca %S.ast.Type, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca %S.ast.Type, align 16
-  %a29 = alloca %S.ast.Type, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.ast.Type, align 16
+  %a31 = alloca %S.ast.Type, align 16
   %a34 = alloca %S.ast.Type, align 16
-  %a35 = alloca %S.ast.Type, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca %S.ast.Type, align 16
+  %a39 = alloca %S.ast.Type, align 16
+  %a42 = alloca %S.ast.Type, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca %S.ast.Type, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca %S.ast.Type, align 16
-  %a101 = alloca %S.ast.Type, align 16
-  %a127 = alloca i1, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca %S.ast.Type, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca %S.ast.Type, align 16
+  %a129 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.ast.Type, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca i1, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
   %a264 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a279 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca %S.ast.Type, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca %S.gen.Loop, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -44913,457 +52595,583 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range4917, label %inrange4918
-range4917:
-  call void @finch_panic_index(ptr @.str.3172, i64 2319, i64 0, i64 %t7)
+  br i1 %t8, label %range5193, label %inrange5194
+range5193:
+  call void @finch_panic_index(ptr @.str.3285, i64 2508, i64 0, i64 %t7)
   unreachable
-inrange4918:
+inrange5194:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
   %t12 = call %S.gen.Ref @finch.gen.ref(ptr %t4, %S.ast.Node %t11, i1 false)
   store %S.gen.Ref %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.3173, i64 0, i64 0 }, ptr %a14
-  %t15 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3174, i64 4, i64 0 })
+  store { ptr, i64, i64 } { ptr @.str.3286, i64 0, i64 0 }, ptr %a14
+  %t15 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3287, i64 4, i64 0 })
   store %S.ast.Type %t15, ptr %a16
   %t17 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
   %t18 = load i1, ptr %t17
-  br i1 %t18, label %then4919, label %else4920
-then4919:
+  br i1 %t18, label %then5195, label %else5196
+then5195:
   %t19 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 1
   %t20 = getelementptr inbounds %S.gen.Place, ptr %t19, i32 0, i32 0
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
   call void @finch_str_copy(ptr %a23, ptr %a22)
   %t24 = load { ptr, i64, i64 }, ptr %a23
+  %t25 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t24, ptr %a14
-  %t25 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 1
-  %t26 = getelementptr inbounds %S.gen.Place, ptr %t25, i32 0, i32 1
-  %t27 = load %S.ast.Type, ptr %t26
-  store %S.ast.Type %t27, ptr %a28
-  call void @finch.copy.S_ast_Type(ptr %a29, ptr %a28)
-  %t30 = load %S.ast.Type, ptr %a29
-  store %S.ast.Type %t30, ptr %a16
-  br label %endif4921
-else4920:
-  %t31 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
-  %t32 = getelementptr inbounds %S.gen.Val, ptr %t31, i32 0, i32 1
-  %t33 = load %S.ast.Type, ptr %t32
+  store { ptr, i64, i64 } %t25, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 1
+  %t28 = getelementptr inbounds %S.gen.Place, ptr %t27, i32 0, i32 1
+  %t29 = load %S.ast.Type, ptr %t28
+  store %S.ast.Type %t29, ptr %a30
+  call void @finch.copy.S_ast_Type(ptr %a31, ptr %a30)
+  %t32 = load %S.ast.Type, ptr %a31
+  %t33 = load %S.ast.Type, ptr %a16
+  store %S.ast.Type %t32, ptr %a16
   store %S.ast.Type %t33, ptr %a34
-  call void @finch.copy.S_ast_Type(ptr %a35, ptr %a34)
-  %t36 = load %S.ast.Type, ptr %a35
-  store %S.ast.Type %t36, ptr %a16
-  %t37 = load ptr, ptr %a1
-  %t38 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
-  %t39 = load %S.gen.Val, ptr %t38
-  %t40 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t37, %S.gen.Val %t39)
-  store { ptr, i64, i64 } %t40, ptr %a14
-  br label %endif4921
-endif4921:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.3175, i64 3, i64 0 }, ptr %a44
-  %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
-  %t46 = icmp ne i32 %t45, 0
-  br i1 %t46, label %then4922, label %endif4924
-then4922:
-  %t47 = load ptr, ptr %a1
-  %t48 = load %S.ast.Node, ptr %a2
-  %t49 = load { ptr, i64, i64 }, ptr %a14
-  %t50 = load %S.ast.Type, ptr %a16
-  %t51 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
-  %t52 = load i1, ptr %t51
-  call void @finch.gen.eachMap(ptr %t47, %S.ast.Node %t48, { ptr, i64, i64 } %t49, %S.ast.Type %t50, i1 %t52)
-  %t53 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t53)
-  ret void
-endif4924:
-  %t54 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.3176, i64 5, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
-  %t59 = icmp eq i32 %t58, 0
-  br label %logic.from4925
-logic.from4925:
-  br i1 %t59, label %logic.rhs4926, label %logic.end4927
-logic.rhs4926:
-  %t60 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t61 = load { ptr, i64, i64 }, ptr %t60
-  store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.3177, i64 3, i64 0 }, ptr %a63
-  %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
-  %t65 = icmp eq i32 %t64, 0
-  br label %logic.rend4928
-logic.rend4928:
-  br label %logic.end4927
-logic.end4927:
-  %t66 = phi i1 [ false, %logic.from4925 ], [ %t65, %logic.rend4928 ]
-  br i1 %t66, label %then4929, label %endif4931
-then4929:
-  %t67 = load ptr, ptr %a1
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  %t70 = extractvalue { ptr, i64, i64 } %t69, 1
-  %t71 = icmp uge i64 0, %t70
-  br i1 %t71, label %range4932, label %inrange4933
-range4932:
-  call void @finch_panic_index(ptr @.str.3178, i64 2335, i64 0, i64 %t70)
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  br label %endif5197
+else5196:
+  %t35 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
+  %t36 = getelementptr inbounds %S.gen.Val, ptr %t35, i32 0, i32 1
+  %t37 = load %S.ast.Type, ptr %t36
+  store %S.ast.Type %t37, ptr %a38
+  call void @finch.copy.S_ast_Type(ptr %a39, ptr %a38)
+  %t40 = load %S.ast.Type, ptr %a39
+  %t41 = load %S.ast.Type, ptr %a16
+  store %S.ast.Type %t40, ptr %a16
+  store %S.ast.Type %t41, ptr %a42
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  %t43 = load ptr, ptr %a1
+  %t44 = load %S.ast.Node, ptr %a2
+  %t45 = load ptr, ptr %a1
+  %t46 = icmp eq ptr %t45, null
+  br i1 %t46, label %panic5198, label %ok5199
+panic5198:
+  call void @finch_panic(ptr @.str.3289, i64 2516, ptr @.str.3290)
   unreachable
-inrange4933:
-  %t72 = extractvalue { ptr, i64, i64 } %t69, 0
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %t72, i64 0
-  %t74 = load %S.ast.Node, ptr %t73
+ok5199:
+  %t47 = getelementptr inbounds %S.gen.Gen, ptr %t45, i32 0, i32 24
+  %t48 = load i64, ptr %t47
+  call void @finch_str_from_int(ptr %a49, i64 %t48)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.3288, i64 5, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load %S.ast.Type, ptr %a16
+  %t57 = load ptr, ptr %a1
+  %t58 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
+  %t59 = load %S.gen.Val, ptr %t58
+  %t60 = call { ptr, i64, i64 } @finch.gen.own(ptr %t57, %S.gen.Val %t59)
+  %t61 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t43, %S.ast.Node %t44, { ptr, i64, i64 } %t55, %S.ast.Type %t56, { ptr, i64, i64 } %t60, i1 false, i1 true)
+  store { ptr, i64, i64 } %t55, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t61, ptr %a14
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  br label %endif5197
+endif5197:
+  %t66 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t67 = load { ptr, i64, i64 }, ptr %t66
+  store { ptr, i64, i64 } %t67, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.3291, i64 3, i64 0 }, ptr %a69
+  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
+  %t71 = icmp ne i32 %t70, 0
+  br i1 %t71, label %then5200, label %endif5202
+then5200:
+  %t72 = load ptr, ptr %a1
+  %t73 = load %S.ast.Node, ptr %a2
+  %t74 = load { ptr, i64, i64 }, ptr %a14
   %t75 = load %S.ast.Type, ptr %a16
-  %t76 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t75)
-  store { ptr, i64, i64 } { ptr @.str.3179, i64 55, i64 0 }, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } %t80, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.3180, i64 36, i64 0 }, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.fail(ptr %t67, %S.ast.Node %t74, { ptr, i64, i64 } %t84)
-  br label %endif4931
-endif4931:
-  %t85 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3181, i64 4, i64 0 })
-  store %S.ast.Type %t85, ptr %a86
-  %t87 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t88 = load { ptr, i64, i64 }, ptr %t87
-  store { ptr, i64, i64 } %t88, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.3182, i64 5, i64 0 }, ptr %a90
-  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
-  %t92 = icmp ne i32 %t91, 0
-  br i1 %t92, label %then4934, label %endif4936
-then4934:
-  %t93 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 1
+  %t76 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
+  %t77 = load i1, ptr %t76
+  call void @finch.gen.eachMap(ptr %t72, %S.ast.Node %t73, { ptr, i64, i64 } %t74, %S.ast.Type %t75, i1 %t77)
+  %t78 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t78)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  call void @finch_str_drop(ptr %a14)
+  call void @finch.drop.S_gen_Ref(ptr %a13)
+  ret void
+endif5202:
+  %t79 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t80, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3292, i64 5, i64 0 }, ptr %a82
+  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
+  %t84 = icmp eq i32 %t83, 0
+  br label %logic.from5203
+logic.from5203:
+  br i1 %t84, label %logic.rhs5204, label %logic.end5205
+logic.rhs5204:
+  %t85 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  store { ptr, i64, i64 } %t86, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.3293, i64 3, i64 0 }, ptr %a88
+  %t89 = call i32 @finch_str_eq(ptr %a87, ptr %a88)
+  %t90 = icmp eq i32 %t89, 0
+  br label %logic.rend5206
+logic.rend5206:
+  br label %logic.end5205
+logic.end5205:
+  %t91 = phi i1 [ false, %logic.from5203 ], [ %t90, %logic.rend5206 ]
+  br i1 %t91, label %then5207, label %endif5209
+then5207:
+  %t92 = load ptr, ptr %a1
+  %t93 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t94 = load { ptr, i64, i64 }, ptr %t93
   %t95 = extractvalue { ptr, i64, i64 } %t94, 1
   %t96 = icmp uge i64 0, %t95
-  br i1 %t96, label %range4937, label %inrange4938
-range4937:
-  call void @finch_panic_index(ptr @.str.3183, i64 2339, i64 0, i64 %t95)
+  br i1 %t96, label %range5210, label %inrange5211
+range5210:
+  call void @finch_panic_index(ptr @.str.3294, i64 2524, i64 0, i64 %t95)
   unreachable
-inrange4938:
+inrange5211:
   %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %t97, i64 0
-  %t99 = load %S.ast.Type, ptr %t98
-  store %S.ast.Type %t99, ptr %a100
-  call void @finch.copy.S_ast_Type(ptr %a101, ptr %a100)
-  %t102 = load %S.ast.Type, ptr %a101
-  store %S.ast.Type %t102, ptr %a86
-  br label %endif4936
-endif4936:
-  %t103 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
-  %t104 = load i1, ptr %t103
-  br label %logic.from4939
-logic.from4939:
-  br i1 %t104, label %logic.rhs4940, label %logic.end4941
-logic.rhs4940:
-  %t105 = load ptr, ptr %a1
-  %t106 = load %S.ast.Type, ptr %a86
-  %t107 = call i1 @finch.gen.owning(ptr %t105, %S.ast.Type %t106)
-  br label %logic.rend4942
-logic.rend4942:
-  br label %logic.end4941
-logic.end4941:
-  %t108 = phi i1 [ false, %logic.from4939 ], [ %t107, %logic.rend4942 ]
-  br label %logic.from4943
-logic.from4943:
-  br i1 %t108, label %logic.rhs4944, label %logic.end4945
-logic.rhs4944:
-  %t109 = load ptr, ptr %a1
-  %t110 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  %t112 = extractvalue { ptr, i64, i64 } %t111, 1
-  %t113 = icmp uge i64 0, %t112
-  br i1 %t113, label %range4946, label %inrange4947
-range4946:
-  call void @finch_panic_index(ptr @.str.3184, i64 2341, i64 0, i64 %t112)
+  %t98 = getelementptr inbounds %S.ast.Node, ptr %t97, i64 0
+  %t99 = load %S.ast.Node, ptr %t98
+  %t100 = load %S.ast.Type, ptr %a16
+  %t101 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t100)
+  store { ptr, i64, i64 } { ptr @.str.3295, i64 55, i64 0 }, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t101, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.3296, i64 36, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  call void @finch.gen.fail(ptr %t92, %S.ast.Node %t99, { ptr, i64, i64 } %t111)
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  br label %endif5209
+endif5209:
+  %t113 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3297, i64 4, i64 0 })
+  store %S.ast.Type %t113, ptr %a114
+  %t115 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  store { ptr, i64, i64 } %t116, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.3298, i64 5, i64 0 }, ptr %a118
+  %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
+  %t120 = icmp ne i32 %t119, 0
+  br i1 %t120, label %then5212, label %endif5214
+then5212:
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 1
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
+  %t124 = icmp uge i64 0, %t123
+  br i1 %t124, label %range5215, label %inrange5216
+range5215:
+  call void @finch_panic_index(ptr @.str.3299, i64 2528, i64 0, i64 %t123)
   unreachable
-inrange4947:
-  %t114 = extractvalue { ptr, i64, i64 } %t111, 0
-  %t115 = getelementptr inbounds %S.ast.Node, ptr %t114, i64 0
-  %t116 = load %S.ast.Node, ptr %t115
-  %t117 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t116)
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 1, %t120
-  br i1 %t121, label %range4948, label %inrange4949
-range4948:
-  call void @finch_panic_index(ptr @.str.3185, i64 2341, i64 1, i64 %t120)
-  unreachable
-inrange4949:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %t122, i64 1
-  %t124 = load %S.ast.Node, ptr %t123
-  %t125 = call i1 @finch.gen.mutates(ptr %t109, { ptr, i64, i64 } %t117, %S.ast.Node %t124)
-  br label %logic.rend4950
-logic.rend4950:
-  br label %logic.end4945
-logic.end4945:
-  %t126 = phi i1 [ false, %logic.from4943 ], [ %t125, %logic.rend4950 ]
-  store i1 %t126, ptr %a127
-  %t128 = load ptr, ptr %a1
-  %t129 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t128, { ptr, i64, i64 } { ptr @.str.3186, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t129, ptr %a130
-  %t131 = load ptr, ptr %a1
-  %t132 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.store(ptr %t131, { ptr, i64, i64 } { ptr @.str.3187, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3188, i64 1, i64 0 }, { ptr, i64, i64 } %t132)
-  %t133 = load ptr, ptr %a1
-  %t134 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t133, { ptr, i64, i64 } { ptr @.str.3189, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t134, ptr %a135
-  %t136 = load ptr, ptr %a1
-  %t137 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t136, { ptr, i64, i64 } { ptr @.str.3190, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t137, ptr %a138
+inrange5216:
+  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
+  %t126 = getelementptr inbounds %S.ast.Type, ptr %t125, i64 0
+  %t127 = load %S.ast.Type, ptr %t126
+  store %S.ast.Type %t127, ptr %a128
+  call void @finch.copy.S_ast_Type(ptr %a129, ptr %a128)
+  %t130 = load %S.ast.Type, ptr %a129
+  %t131 = load %S.ast.Type, ptr %a114
+  store %S.ast.Type %t130, ptr %a114
+  store %S.ast.Type %t131, ptr %a132
+  call void @finch.drop.S_ast_Type(ptr %a132)
+  br label %endif5214
+endif5214:
+  %t133 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
+  %t134 = load i1, ptr %t133
+  br label %logic.from5217
+logic.from5217:
+  br i1 %t134, label %logic.rhs5218, label %logic.end5219
+logic.rhs5218:
+  %t135 = load ptr, ptr %a1
+  %t136 = load %S.ast.Type, ptr %a114
+  %t137 = call i1 @finch.gen.owning(ptr %t135, %S.ast.Type %t136)
+  br label %logic.rend5220
+logic.rend5220:
+  br label %logic.end5219
+logic.end5219:
+  %t138 = phi i1 [ false, %logic.from5217 ], [ %t137, %logic.rend5220 ]
+  br label %logic.from5221
+logic.from5221:
+  br i1 %t138, label %logic.rhs5222, label %logic.end5223
+logic.rhs5222:
   %t139 = load ptr, ptr %a1
-  %t140 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t139, { ptr, i64, i64 } { ptr @.str.3191, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t140, ptr %a141
-  %t142 = load ptr, ptr %a1
-  %t143 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t142, { ptr, i64, i64 } { ptr @.str.3192, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t143, ptr %a144
-  %t145 = load ptr, ptr %a1
-  %t146 = load { ptr, i64, i64 }, ptr %a135
-  call void @finch.gen.br(ptr %t145, { ptr, i64, i64 } %t146)
-  %t147 = load ptr, ptr %a1
-  %t148 = load { ptr, i64, i64 }, ptr %a135
-  call void @finch.gen.label(ptr %t147, { ptr, i64, i64 } %t148)
-  %t149 = load ptr, ptr %a1
-  %t150 = load ptr, ptr %a1
-  %t151 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3194, i64 46, i64 0 }, ptr %a153
-  store { ptr, i64, i64 } %t151, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } %t155, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.3195, i64 14, i64 0 }, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  %t160 = call { ptr, i64, i64 } @finch.gen.op(ptr %t150, { ptr, i64, i64 } %t159)
-  %t161 = call { ptr, i64, i64 } @finch.gen.load(ptr %t149, { ptr, i64, i64 } { ptr @.str.3193, i64 3, i64 0 }, { ptr, i64, i64 } %t160)
-  store { ptr, i64, i64 } %t161, ptr %a162
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a130
-  %t165 = call { ptr, i64, i64 } @finch.gen.load(ptr %t163, { ptr, i64, i64 } { ptr @.str.3196, i64 3, i64 0 }, { ptr, i64, i64 } %t164)
+  %t140 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
+  %t143 = icmp uge i64 0, %t142
+  br i1 %t143, label %range5224, label %inrange5225
+range5224:
+  call void @finch_panic_index(ptr @.str.3300, i64 2530, i64 0, i64 %t142)
+  unreachable
+inrange5225:
+  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
+  %t145 = getelementptr inbounds %S.ast.Node, ptr %t144, i64 0
+  %t146 = load %S.ast.Node, ptr %t145
+  %t147 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t146)
+  %t148 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t149 = load { ptr, i64, i64 }, ptr %t148
+  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
+  %t151 = icmp uge i64 1, %t150
+  br i1 %t151, label %range5226, label %inrange5227
+range5226:
+  call void @finch_panic_index(ptr @.str.3301, i64 2530, i64 1, i64 %t150)
+  unreachable
+inrange5227:
+  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
+  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 1
+  %t154 = load %S.ast.Node, ptr %t153
+  %t155 = call i1 @finch.gen.mutates(ptr %t139, { ptr, i64, i64 } %t147, %S.ast.Node %t154)
+  store { ptr, i64, i64 } %t147, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  br label %logic.rend5228
+logic.rend5228:
+  br label %logic.end5223
+logic.end5223:
+  %t157 = phi i1 [ false, %logic.from5221 ], [ %t155, %logic.rend5228 ]
+  store i1 %t157, ptr %a158
+  %t159 = load ptr, ptr %a1
+  %t160 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t159, { ptr, i64, i64 } { ptr @.str.3302, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t160, ptr %a161
+  %t162 = load ptr, ptr %a1
+  %t163 = load { ptr, i64, i64 }, ptr %a161
+  call void @finch.gen.store(ptr %t162, { ptr, i64, i64 } { ptr @.str.3303, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3304, i64 1, i64 0 }, { ptr, i64, i64 } %t163)
+  %t164 = load ptr, ptr %a1
+  %t165 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t164, { ptr, i64, i64 } { ptr @.str.3305, i64 9, i64 0 })
   store { ptr, i64, i64 } %t165, ptr %a166
   %t167 = load ptr, ptr %a1
-  %t168 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } { ptr @.str.3197, i64 13, i64 0 }, ptr %a170
-  store { ptr, i64, i64 } %t168, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  store { ptr, i64, i64 } %t172, ptr %a174
-  store { ptr, i64, i64 } { ptr @.str.3198, i64 2, i64 0 }, ptr %a175
-  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
-  %t176 = load { ptr, i64, i64 }, ptr %a173
-  %t177 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t176, ptr %a179
-  store { ptr, i64, i64 } %t177, ptr %a180
-  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
-  %t181 = load { ptr, i64, i64 }, ptr %a178
-  %t182 = call { ptr, i64, i64 } @finch.gen.op(ptr %t167, { ptr, i64, i64 } %t181)
-  store { ptr, i64, i64 } %t182, ptr %a183
-  %t184 = load ptr, ptr %a1
-  %t185 = load { ptr, i64, i64 }, ptr %a183
-  %t186 = load { ptr, i64, i64 }, ptr %a138
-  %t187 = load { ptr, i64, i64 }, ptr %a144
-  call void @finch.gen.condBr(ptr %t184, { ptr, i64, i64 } %t185, { ptr, i64, i64 } %t186, { ptr, i64, i64 } %t187)
-  %t188 = load ptr, ptr %a1
-  %t189 = load { ptr, i64, i64 }, ptr %a138
-  call void @finch.gen.label(ptr %t188, { ptr, i64, i64 } %t189)
-  %t190 = load ptr, ptr %a1
-  %t191 = load { ptr, i64, i64 }, ptr %a14
-  %t192 = call { ptr, i64, i64 } @finch.gen.load(ptr %t190, { ptr, i64, i64 } { ptr @.str.3199, i64 3, i64 0 }, { ptr, i64, i64 } %t191)
-  store { ptr, i64, i64 } %t192, ptr %a193
-  %t194 = load ptr, ptr %a1
-  %t195 = load ptr, ptr %a1
-  %t196 = load %S.ast.Type, ptr %a86
-  %t197 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t195, %S.ast.Type %t196)
-  store { ptr, i64, i64 } { ptr @.str.3200, i64 23, i64 0 }, ptr %a199
-  store { ptr, i64, i64 } %t197, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t201, ptr %a203
-  store { ptr, i64, i64 } { ptr @.str.3201, i64 6, i64 0 }, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = load { ptr, i64, i64 }, ptr %a193
-  store { ptr, i64, i64 } %t205, ptr %a208
-  store { ptr, i64, i64 } %t206, ptr %a209
+  %t168 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t167, { ptr, i64, i64 } { ptr @.str.3306, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t168, ptr %a169
+  %t170 = load ptr, ptr %a1
+  %t171 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t170, { ptr, i64, i64 } { ptr @.str.3307, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t171, ptr %a172
+  %t173 = load ptr, ptr %a1
+  %t174 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t173, { ptr, i64, i64 } { ptr @.str.3308, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t174, ptr %a175
+  %t176 = load ptr, ptr %a1
+  %t177 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.br(ptr %t176, { ptr, i64, i64 } %t177)
+  %t178 = load ptr, ptr %a1
+  %t179 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.label(ptr %t178, { ptr, i64, i64 } %t179)
+  %t180 = load ptr, ptr %a1
+  %t181 = load ptr, ptr %a1
+  %t182 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.3310, i64 46, i64 0 }, ptr %a184
+  store { ptr, i64, i64 } %t182, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a183
+  store { ptr, i64, i64 } %t186, ptr %a188
+  store { ptr, i64, i64 } { ptr @.str.3311, i64 14, i64 0 }, ptr %a189
+  call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
+  store { ptr, i64, i64 } %t186, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a187
+  %t192 = call { ptr, i64, i64 } @finch.gen.op(ptr %t181, { ptr, i64, i64 } %t191)
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = call { ptr, i64, i64 } @finch.gen.load(ptr %t180, { ptr, i64, i64 } { ptr @.str.3309, i64 3, i64 0 }, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a195
+  call void @finch_str_drop(ptr %a195)
+  store { ptr, i64, i64 } %t194, ptr %a196
+  %t197 = load ptr, ptr %a1
+  %t198 = load { ptr, i64, i64 }, ptr %a161
+  %t199 = call { ptr, i64, i64 } @finch.gen.load(ptr %t197, { ptr, i64, i64 } { ptr @.str.3312, i64 3, i64 0 }, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t199, ptr %a200
+  %t201 = load ptr, ptr %a1
+  %t202 = load { ptr, i64, i64 }, ptr %a200
+  store { ptr, i64, i64 } { ptr @.str.3313, i64 13, i64 0 }, ptr %a204
+  store { ptr, i64, i64 } %t202, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  %t206 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } %t206, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.3314, i64 2, i64 0 }, ptr %a209
   call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  store { ptr, i64, i64 } %t210, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.3202, i64 6, i64 0 }, ptr %a213
-  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
-  %t214 = load { ptr, i64, i64 }, ptr %a211
-  %t215 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } %t214, ptr %a217
-  store { ptr, i64, i64 } %t215, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  %t220 = call { ptr, i64, i64 } @finch.gen.op(ptr %t194, { ptr, i64, i64 } %t219)
-  store { ptr, i64, i64 } %t220, ptr %a221
-  %t222 = load ptr, ptr %a1
-  %t223 = load ptr, ptr %a1
-  %t224 = load %S.ast.Type, ptr %a86
-  %t225 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t223, %S.ast.Type %t224)
-  %t226 = load { ptr, i64, i64 }, ptr %a221
-  %t227 = call { ptr, i64, i64 } @finch.gen.load(ptr %t222, { ptr, i64, i64 } %t225, { ptr, i64, i64 } %t226)
-  store { ptr, i64, i64 } %t227, ptr %a228
-  %t229 = load i1, ptr %a127
-  br i1 %t229, label %then4951, label %endif4953
-then4951:
-  %t230 = load ptr, ptr %a1
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load %S.ast.Type, ptr %a86
-  %t233 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t230, { ptr, i64, i64 } %t231, %S.ast.Type %t232)
-  store { ptr, i64, i64 } %t233, ptr %a228
-  br label %endif4953
-endif4953:
-  %t234 = load ptr, ptr %a1
-  %t235 = icmp eq ptr %t234, null
-  br i1 %t235, label %panic4954, label %ok4955
-panic4954:
-  call void @finch_panic(ptr @.str.3203, i64 2361, ptr @.str.3204)
+  store { ptr, i64, i64 } %t206, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  %t211 = load { ptr, i64, i64 }, ptr %a207
+  %t212 = load { ptr, i64, i64 }, ptr %a196
+  store { ptr, i64, i64 } %t211, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t211, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  %t218 = call { ptr, i64, i64 } @finch.gen.op(ptr %t201, { ptr, i64, i64 } %t217)
+  store { ptr, i64, i64 } %t217, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  store { ptr, i64, i64 } %t218, ptr %a220
+  %t221 = load ptr, ptr %a1
+  %t222 = load { ptr, i64, i64 }, ptr %a220
+  %t223 = load { ptr, i64, i64 }, ptr %a169
+  %t224 = load { ptr, i64, i64 }, ptr %a175
+  call void @finch.gen.condBr(ptr %t221, { ptr, i64, i64 } %t222, { ptr, i64, i64 } %t223, { ptr, i64, i64 } %t224)
+  %t225 = load ptr, ptr %a1
+  %t226 = load { ptr, i64, i64 }, ptr %a169
+  call void @finch.gen.label(ptr %t225, { ptr, i64, i64 } %t226)
+  %t227 = load ptr, ptr %a1
+  %t228 = load { ptr, i64, i64 }, ptr %a14
+  %t229 = call { ptr, i64, i64 } @finch.gen.load(ptr %t227, { ptr, i64, i64 } { ptr @.str.3315, i64 3, i64 0 }, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t229, ptr %a230
+  %t231 = load ptr, ptr %a1
+  %t232 = load ptr, ptr %a1
+  %t233 = load %S.ast.Type, ptr %a114
+  %t234 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t232, %S.ast.Type %t233)
+  store { ptr, i64, i64 } { ptr @.str.3316, i64 23, i64 0 }, ptr %a236
+  store { ptr, i64, i64 } %t234, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  store { ptr, i64, i64 } %t239, ptr %a241
+  store { ptr, i64, i64 } { ptr @.str.3317, i64 6, i64 0 }, ptr %a242
+  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
+  store { ptr, i64, i64 } %t239, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  %t244 = load { ptr, i64, i64 }, ptr %a240
+  %t245 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t244, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t244, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  %t250 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t250, ptr %a252
+  store { ptr, i64, i64 } { ptr @.str.3318, i64 6, i64 0 }, ptr %a253
+  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
+  store { ptr, i64, i64 } %t250, ptr %a254
+  call void @finch_str_drop(ptr %a254)
+  %t255 = load { ptr, i64, i64 }, ptr %a251
+  %t256 = load { ptr, i64, i64 }, ptr %a200
+  store { ptr, i64, i64 } %t255, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t255, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a257
+  %t262 = call { ptr, i64, i64 } @finch.gen.op(ptr %t231, { ptr, i64, i64 } %t261)
+  store { ptr, i64, i64 } %t261, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  store { ptr, i64, i64 } %t262, ptr %a264
+  %t265 = load ptr, ptr %a1
+  %t266 = load ptr, ptr %a1
+  %t267 = load %S.ast.Type, ptr %a114
+  %t268 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t266, %S.ast.Type %t267)
+  %t269 = load { ptr, i64, i64 }, ptr %a264
+  %t270 = call { ptr, i64, i64 } @finch.gen.load(ptr %t265, { ptr, i64, i64 } %t268, { ptr, i64, i64 } %t269)
+  store { ptr, i64, i64 } %t268, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  %t273 = load i1, ptr %a158
+  br i1 %t273, label %then5229, label %endif5231
+then5229:
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a272
+  %t276 = load %S.ast.Type, ptr %a114
+  %t277 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t274, { ptr, i64, i64 } %t275, %S.ast.Type %t276)
+  %t278 = load { ptr, i64, i64 }, ptr %a272
+  store { ptr, i64, i64 } %t277, ptr %a272
+  store { ptr, i64, i64 } %t278, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  br label %endif5231
+endif5231:
+  %t280 = load ptr, ptr %a1
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic5232, label %ok5233
+panic5232:
+  call void @finch_panic(ptr @.str.3319, i64 2550, ptr @.str.3320)
   unreachable
-ok4955:
-  %t236 = getelementptr inbounds %S.gen.Gen, ptr %t234, i32 0, i32 11
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %a141
-  store { ptr, i64, i64 } %t238, ptr %a239
-  call void @finch_str_copy(ptr %a240, ptr %a239)
-  %t241 = load { ptr, i64, i64 }, ptr %a240
-  %t242 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t241, 0
-  %t243 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t243, ptr %a244
-  call void @finch_str_copy(ptr %a245, ptr %a244)
-  %t246 = load { ptr, i64, i64 }, ptr %a245
-  %t247 = insertvalue %S.gen.Loop %t242, { ptr, i64, i64 } %t246, 1
-  %t248 = load ptr, ptr %a1
-  %t249 = icmp eq ptr %t248, null
-  br i1 %t249, label %panic4956, label %ok4957
-panic4956:
-  call void @finch_panic(ptr @.str.3205, i64 2361, ptr @.str.3206)
+ok5233:
+  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 12
+  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
+  %t284 = load { ptr, i64, i64 }, ptr %a172
+  store { ptr, i64, i64 } %t284, ptr %a285
+  call void @finch_str_copy(ptr %a286, ptr %a285)
+  %t287 = load { ptr, i64, i64 }, ptr %a286
+  %t288 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t287, 0
+  %t289 = load { ptr, i64, i64 }, ptr %a175
+  store { ptr, i64, i64 } %t289, ptr %a290
+  call void @finch_str_copy(ptr %a291, ptr %a290)
+  %t292 = load { ptr, i64, i64 }, ptr %a291
+  %t293 = insertvalue %S.gen.Loop %t288, { ptr, i64, i64 } %t292, 1
+  %t294 = load ptr, ptr %a1
+  %t295 = icmp eq ptr %t294, null
+  br i1 %t295, label %panic5234, label %ok5235
+panic5234:
+  call void @finch_panic(ptr @.str.3321, i64 2550, ptr @.str.3322)
   unreachable
-ok4957:
-  %t250 = getelementptr inbounds %S.gen.Gen, ptr %t248, i32 0, i32 10
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %t250, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  %t253 = insertvalue %S.gen.Loop %t247, i64 %t252, 2
-  %t254 = load i64, ptr %t237
-  %t255 = add i64 %t254, 1
-  call void @finch_arr_reserve(ptr %t236, i64 %t255, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t256 = load ptr, ptr %t236
-  %t257 = getelementptr inbounds %S.gen.Loop, ptr %t256, i64 %t254
-  store %S.gen.Loop %t253, ptr %t257
-  store i64 %t255, ptr %t237
-  %t258 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t258)
-  %t259 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t260 = load { ptr, i64, i64 }, ptr %t259
-  store { ptr, i64, i64 } %t260, ptr %a261
-  call void @finch_str_copy(ptr %a262, ptr %a261)
-  %t263 = load { ptr, i64, i64 }, ptr %a262
-  store { ptr, i64, i64 } %t263, ptr %a264
-  %t265 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i32 0, i32 1
-  %t267 = load i64, ptr %t266
-  %t268 = icmp sgt i64 %t267, 0
-  br i1 %t268, label %then4958, label %endif4960
-then4958:
-  %t269 = load ptr, ptr %a1
-  %t270 = load %S.ast.Node, ptr %a2
-  %t271 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t272 = load { ptr, i64, i64 }, ptr %t271
-  %t273 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3207, i64 3, i64 0 })
-  %t274 = load { ptr, i64, i64 }, ptr %a166
-  %t275 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t269, %S.ast.Node %t270, { ptr, i64, i64 } %t272, %S.ast.Type %t273, { ptr, i64, i64 } %t274, i1 true)
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t277 = load { ptr, i64, i64 }, ptr %t276
-  store { ptr, i64, i64 } %t277, ptr %a278
-  call void @finch_str_copy(ptr %a279, ptr %a278)
-  %t280 = load { ptr, i64, i64 }, ptr %a279
-  store { ptr, i64, i64 } %t280, ptr %a264
-  br label %endif4960
-endif4960:
-  %t281 = load ptr, ptr %a1
-  %t282 = load %S.ast.Node, ptr %a2
-  %t283 = load { ptr, i64, i64 }, ptr %a264
-  %t284 = load %S.ast.Type, ptr %a86
-  %t285 = load { ptr, i64, i64 }, ptr %a228
-  %t286 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t281, %S.ast.Node %t282, { ptr, i64, i64 } %t283, %S.ast.Type %t284, { ptr, i64, i64 } %t285, i1 true)
-  %t287 = load ptr, ptr %a1
-  %t288 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t289 = load { ptr, i64, i64 }, ptr %t288
-  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
-  %t291 = icmp uge i64 1, %t290
-  br i1 %t291, label %range4961, label %inrange4962
-range4961:
-  call void @finch_panic_index(ptr @.str.3208, i64 2369, i64 1, i64 %t290)
+ok5235:
+  %t296 = getelementptr inbounds %S.gen.Gen, ptr %t294, i32 0, i32 10
+  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t296, i32 0, i32 1
+  %t298 = load i64, ptr %t297
+  %t299 = insertvalue %S.gen.Loop %t293, i64 %t298, 2
+  %t300 = load ptr, ptr %a1
+  %t301 = icmp eq ptr %t300, null
+  br i1 %t301, label %panic5236, label %ok5237
+panic5236:
+  call void @finch_panic(ptr @.str.3323, i64 2550, ptr @.str.3324)
   unreachable
-inrange4962:
-  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
-  %t293 = getelementptr inbounds %S.ast.Node, ptr %t292, i64 1
-  %t294 = load %S.ast.Node, ptr %t293
-  call void @finch.gen.block(ptr %t287, %S.ast.Node %t294, i1 true)
-  %t295 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t295)
-  %t296 = load ptr, ptr %a1
-  %t297 = icmp eq ptr %t296, null
-  br i1 %t297, label %panic4963, label %ok4964
-panic4963:
-  call void @finch_panic(ptr @.str.3209, i64 2371, ptr @.str.3210)
-  unreachable
-ok4964:
-  %t298 = getelementptr inbounds %S.gen.Gen, ptr %t296, i32 0, i32 11
-  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i32 0, i32 1
-  %t300 = load i64, ptr %t299
-  %t301 = icmp eq i64 %t300, 0
-  br i1 %t301, label %panic4965, label %ok4966
-panic4965:
-  call void @finch_panic(ptr @.str.3211, i64 2371, ptr @.str.3212)
-  unreachable
-ok4966:
-  %t302 = sub i64 %t300, 1
-  %t303 = load ptr, ptr %t298
-  %t304 = getelementptr inbounds %S.gen.Loop, ptr %t303, i64 %t302
-  %t305 = load %S.gen.Loop, ptr %t304
-  store i64 %t302, ptr %t299
-  %t306 = load ptr, ptr %a1
-  %t307 = load { ptr, i64, i64 }, ptr %a141
-  call void @finch.gen.br(ptr %t306, { ptr, i64, i64 } %t307)
-  %t308 = load ptr, ptr %a1
-  %t309 = load { ptr, i64, i64 }, ptr %a141
-  call void @finch.gen.label(ptr %t308, { ptr, i64, i64 } %t309)
+ok5237:
+  %t302 = getelementptr inbounds %S.gen.Gen, ptr %t300, i32 0, i32 11
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t302, i32 0, i32 1
+  %t304 = load i64, ptr %t303
+  %t305 = insertvalue %S.gen.Loop %t299, i64 %t304, 3
+  %t306 = load i64, ptr %t283
+  %t307 = add i64 %t306, 1
+  call void @finch_arr_reserve(ptr %t282, i64 %t307, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t308 = load ptr, ptr %t282
+  %t309 = getelementptr inbounds %S.gen.Loop, ptr %t308, i64 %t306
+  store %S.gen.Loop %t305, ptr %t309
+  store i64 %t307, ptr %t283
   %t310 = load ptr, ptr %a1
-  %t311 = load { ptr, i64, i64 }, ptr %a130
-  %t312 = call { ptr, i64, i64 } @finch.gen.load(ptr %t310, { ptr, i64, i64 } { ptr @.str.3213, i64 3, i64 0 }, { ptr, i64, i64 } %t311)
+  call void @finch.gen.pushScope(ptr %t310)
+  %t311 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t312 = load { ptr, i64, i64 }, ptr %t311
   store { ptr, i64, i64 } %t312, ptr %a313
-  %t314 = load ptr, ptr %a1
-  %t315 = load ptr, ptr %a1
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  store { ptr, i64, i64 } { ptr @.str.3215, i64 8, i64 0 }, ptr %a318
-  store { ptr, i64, i64 } %t316, ptr %a319
-  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
-  %t320 = load { ptr, i64, i64 }, ptr %a317
-  store { ptr, i64, i64 } %t320, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.3216, i64 3, i64 0 }, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  %t325 = call { ptr, i64, i64 } @finch.gen.op(ptr %t315, { ptr, i64, i64 } %t324)
-  %t326 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.store(ptr %t314, { ptr, i64, i64 } { ptr @.str.3214, i64 3, i64 0 }, { ptr, i64, i64 } %t325, { ptr, i64, i64 } %t326)
-  %t327 = load ptr, ptr %a1
-  %t328 = load { ptr, i64, i64 }, ptr %a135
-  call void @finch.gen.br(ptr %t327, { ptr, i64, i64 } %t328)
-  %t329 = load ptr, ptr %a1
-  %t330 = load { ptr, i64, i64 }, ptr %a144
-  call void @finch.gen.label(ptr %t329, { ptr, i64, i64 } %t330)
-  %t331 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t331)
+  call void @finch_str_copy(ptr %a314, ptr %a313)
+  %t315 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t315, ptr %a316
+  %t317 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t317, i32 0, i32 1
+  %t319 = load i64, ptr %t318
+  %t320 = icmp sgt i64 %t319, 0
+  br i1 %t320, label %then5238, label %endif5240
+then5238:
+  %t321 = load ptr, ptr %a1
+  %t322 = load %S.ast.Node, ptr %a2
+  %t323 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t324 = load { ptr, i64, i64 }, ptr %t323
+  %t325 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3325, i64 3, i64 0 })
+  %t326 = load { ptr, i64, i64 }, ptr %a200
+  %t327 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t321, %S.ast.Node %t322, { ptr, i64, i64 } %t324, %S.ast.Type %t325, { ptr, i64, i64 } %t326, i1 true, i1 false)
+  store %S.ast.Type %t325, ptr %a328
+  call void @finch.drop.S_ast_Type(ptr %a328)
+  store { ptr, i64, i64 } %t327, ptr %a329
+  call void @finch_str_drop(ptr %a329)
+  %t330 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t331 = load { ptr, i64, i64 }, ptr %t330
+  store { ptr, i64, i64 } %t331, ptr %a332
+  call void @finch_str_copy(ptr %a333, ptr %a332)
+  %t334 = load { ptr, i64, i64 }, ptr %a333
+  %t335 = load { ptr, i64, i64 }, ptr %a316
+  store { ptr, i64, i64 } %t334, ptr %a316
+  store { ptr, i64, i64 } %t335, ptr %a336
+  call void @finch_str_drop(ptr %a336)
+  br label %endif5240
+endif5240:
+  %t337 = load ptr, ptr %a1
+  %t338 = load %S.ast.Node, ptr %a2
+  %t339 = load { ptr, i64, i64 }, ptr %a316
+  %t340 = load %S.ast.Type, ptr %a114
+  %t341 = load { ptr, i64, i64 }, ptr %a272
+  %t342 = load i1, ptr %a158
+  %t343 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t337, %S.ast.Node %t338, { ptr, i64, i64 } %t339, %S.ast.Type %t340, { ptr, i64, i64 } %t341, i1 true, i1 %t342)
+  store { ptr, i64, i64 } %t343, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load ptr, ptr %a1
+  %t346 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t347 = load { ptr, i64, i64 }, ptr %t346
+  %t348 = extractvalue { ptr, i64, i64 } %t347, 1
+  %t349 = icmp uge i64 1, %t348
+  br i1 %t349, label %range5241, label %inrange5242
+range5241:
+  call void @finch_panic_index(ptr @.str.3326, i64 2558, i64 1, i64 %t348)
+  unreachable
+inrange5242:
+  %t350 = extractvalue { ptr, i64, i64 } %t347, 0
+  %t351 = getelementptr inbounds %S.ast.Node, ptr %t350, i64 1
+  %t352 = load %S.ast.Node, ptr %t351
+  call void @finch.gen.block(ptr %t345, %S.ast.Node %t352, i1 true)
+  %t353 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t353)
+  %t354 = load ptr, ptr %a1
+  %t355 = icmp eq ptr %t354, null
+  br i1 %t355, label %panic5243, label %ok5244
+panic5243:
+  call void @finch_panic(ptr @.str.3327, i64 2560, ptr @.str.3328)
+  unreachable
+ok5244:
+  %t356 = getelementptr inbounds %S.gen.Gen, ptr %t354, i32 0, i32 12
+  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
+  %t358 = load i64, ptr %t357
+  %t359 = icmp eq i64 %t358, 0
+  br i1 %t359, label %panic5245, label %ok5246
+panic5245:
+  call void @finch_panic(ptr @.str.3329, i64 2560, ptr @.str.3330)
+  unreachable
+ok5246:
+  %t360 = sub i64 %t358, 1
+  %t361 = load ptr, ptr %t356
+  %t362 = getelementptr inbounds %S.gen.Loop, ptr %t361, i64 %t360
+  %t363 = load %S.gen.Loop, ptr %t362
+  store i64 %t360, ptr %t357
+  store %S.gen.Loop %t363, ptr %a364
+  call void @finch.drop.S_gen_Loop(ptr %a364)
+  %t365 = load ptr, ptr %a1
+  %t366 = load { ptr, i64, i64 }, ptr %a172
+  call void @finch.gen.br(ptr %t365, { ptr, i64, i64 } %t366)
+  %t367 = load ptr, ptr %a1
+  %t368 = load { ptr, i64, i64 }, ptr %a172
+  call void @finch.gen.label(ptr %t367, { ptr, i64, i64 } %t368)
+  %t369 = load ptr, ptr %a1
+  %t370 = load { ptr, i64, i64 }, ptr %a161
+  %t371 = call { ptr, i64, i64 } @finch.gen.load(ptr %t369, { ptr, i64, i64 } { ptr @.str.3331, i64 3, i64 0 }, { ptr, i64, i64 } %t370)
+  store { ptr, i64, i64 } %t371, ptr %a372
+  %t373 = load ptr, ptr %a1
+  %t374 = load ptr, ptr %a1
+  %t375 = load { ptr, i64, i64 }, ptr %a372
+  store { ptr, i64, i64 } { ptr @.str.3333, i64 8, i64 0 }, ptr %a377
+  store { ptr, i64, i64 } %t375, ptr %a378
+  call void @finch_str_concat(ptr %a376, ptr %a377, ptr %a378)
+  %t379 = load { ptr, i64, i64 }, ptr %a376
+  store { ptr, i64, i64 } %t379, ptr %a381
+  store { ptr, i64, i64 } { ptr @.str.3334, i64 3, i64 0 }, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  store { ptr, i64, i64 } %t379, ptr %a383
+  call void @finch_str_drop(ptr %a383)
+  %t384 = load { ptr, i64, i64 }, ptr %a380
+  %t385 = call { ptr, i64, i64 } @finch.gen.op(ptr %t374, { ptr, i64, i64 } %t384)
+  store { ptr, i64, i64 } %t384, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  %t387 = load { ptr, i64, i64 }, ptr %a161
+  call void @finch.gen.store(ptr %t373, { ptr, i64, i64 } { ptr @.str.3332, i64 3, i64 0 }, { ptr, i64, i64 } %t385, { ptr, i64, i64 } %t387)
+  store { ptr, i64, i64 } %t385, ptr %a388
+  call void @finch_str_drop(ptr %a388)
+  %t389 = load ptr, ptr %a1
+  %t390 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.br(ptr %t389, { ptr, i64, i64 } %t390)
+  %t391 = load ptr, ptr %a1
+  %t392 = load { ptr, i64, i64 }, ptr %a175
+  call void @finch.gen.label(ptr %t391, { ptr, i64, i64 } %t392)
+  %t393 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t393)
+  call void @finch_str_drop(ptr %a372)
+  call void @finch_str_drop(ptr %a316)
+  call void @finch_str_drop(ptr %a272)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch_str_drop(ptr %a230)
+  call void @finch_str_drop(ptr %a220)
+  call void @finch_str_drop(ptr %a200)
+  call void @finch_str_drop(ptr %a196)
+  call void @finch_str_drop(ptr %a175)
+  call void @finch_str_drop(ptr %a172)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a166)
+  call void @finch_str_drop(ptr %a161)
+  call void @finch.drop.S_ast_Type(ptr %a114)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  call void @finch_str_drop(ptr %a14)
+  call void @finch.drop.S_gen_Ref(ptr %a13)
   ret void
 }
 
@@ -45384,208 +53192,195 @@ entry:
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca %S.gen.Val, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca %S.gen.Val, align 16
+  %a131 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.gen.Val, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
   %a253 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca %S.gen.Val, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca i1, align 16
-  %a309 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca i64, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca i64, align 16
+  %a329 = alloca i64, align 16
+  %a342 = alloca i64, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca { ptr, i64, i64 }, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a389 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a403 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a419 = alloca { ptr, i64, i64 }, align 16
-  %a420 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca %S.gen.Var, align 16
+  %a421 = alloca %S.gen.Var, align 16
+  %a423 = alloca %S.gen.Var, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca %S.gen.Val, align 16
+  %a512 = alloca %S.gen.Val, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4967, label %ok4968
-panic4967:
-  call void @finch_panic(ptr @.str.3217, i64 2382, ptr @.str.3218)
+  br i1 %t4, label %panic5247, label %ok5248
+panic5247:
+  call void @finch_panic(ptr @.str.3335, i64 2571, ptr @.str.3336)
   unreachable
-ok4968:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 44
+ok5248:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 45
   %t6 = load i64, ptr %t5
   %t7 = icmp sgt i64 %t6, 0
-  br i1 %t7, label %then4969, label %endif4971
-then4969:
+  br i1 %t7, label %then5249, label %endif5251
+then5249:
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3219, i64 33, i64 0 })
-  br label %endif4971
-endif4971:
+  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3337, i64 33, i64 0 })
+  br label %endif5251
+endif5251:
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = icmp sgt i64 %t12, 0
-  br label %logic.from4972
-logic.from4972:
-  br i1 %t13, label %logic.rhs4973, label %logic.end4974
-logic.rhs4973:
+  br label %logic.from5252
+logic.from5252:
+  br i1 %t13, label %logic.rhs5253, label %logic.end5254
+logic.rhs5253:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t15 = load { ptr, i64, i64 }, ptr %t14
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 0, %t16
-  br i1 %t17, label %range4975, label %inrange4976
-range4975:
-  call void @finch_panic_index(ptr @.str.3220, i64 2386, i64 0, i64 %t16)
+  br i1 %t17, label %range5255, label %inrange5256
+range5255:
+  call void @finch_panic_index(ptr @.str.3338, i64 2575, i64 0, i64 %t16)
   unreachable
-inrange4976:
+inrange5256:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.ast.Node, ptr %t18, i64 0
   %t20 = getelementptr inbounds %S.ast.Node, ptr %t19, i32 0, i32 0
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.3221, i64 4, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3339, i64 4, i64 0 }, ptr %a23
   %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
   %t25 = icmp ne i32 %t24, 0
-  br label %logic.rend4977
-logic.rend4977:
-  br label %logic.end4974
-logic.end4974:
-  %t26 = phi i1 [ false, %logic.from4972 ], [ %t25, %logic.rend4977 ]
-  br label %logic.from4978
-logic.from4978:
-  br i1 %t26, label %logic.rhs4979, label %logic.end4980
-logic.rhs4979:
+  br label %logic.rend5257
+logic.rend5257:
+  br label %logic.end5254
+logic.end5254:
+  %t26 = phi i1 [ false, %logic.from5252 ], [ %t25, %logic.rend5257 ]
+  br label %logic.from5258
+logic.from5258:
+  br i1 %t26, label %logic.rhs5259, label %logic.end5260
+logic.rhs5259:
   %t27 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t28 = load { ptr, i64, i64 }, ptr %t27
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 0, %t29
-  br i1 %t30, label %range4981, label %inrange4982
-range4981:
-  call void @finch_panic_index(ptr @.str.3222, i64 2386, i64 0, i64 %t29)
+  br i1 %t30, label %range5261, label %inrange5262
+range5261:
+  call void @finch_panic_index(ptr @.str.3340, i64 2575, i64 0, i64 %t29)
   unreachable
-inrange4982:
+inrange5262:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds %S.ast.Node, ptr %t31, i64 0
   %t33 = getelementptr inbounds %S.ast.Node, ptr %t32, i32 0, i32 1
   %t34 = load { ptr, i64, i64 }, ptr %t33
   store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.3223, i64 5, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.3341, i64 5, i64 0 }, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.rend4983
-logic.rend4983:
-  br label %logic.end4980
-logic.end4980:
-  %t39 = phi i1 [ false, %logic.from4978 ], [ %t38, %logic.rend4983 ]
-  br i1 %t39, label %then4984, label %endif4986
-then4984:
+  br label %logic.rend5263
+logic.rend5263:
+  br label %logic.end5260
+logic.end5260:
+  %t39 = phi i1 [ false, %logic.from5258 ], [ %t38, %logic.rend5263 ]
+  br i1 %t39, label %then5264, label %endif5266
+then5264:
   %t40 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = extractvalue { ptr, i64, i64 } %t41, 1
   %t43 = icmp uge i64 0, %t42
-  br i1 %t43, label %range4987, label %inrange4988
-range4987:
-  call void @finch_panic_index(ptr @.str.3224, i64 2387, i64 0, i64 %t42)
+  br i1 %t43, label %range5267, label %inrange5268
+range5267:
+  call void @finch_panic_index(ptr @.str.3342, i64 2576, i64 0, i64 %t42)
   unreachable
-inrange4988:
+inrange5268:
   %t44 = extractvalue { ptr, i64, i64 } %t41, 0
   %t45 = getelementptr inbounds %S.ast.Node, ptr %t44, i64 0
   %t46 = load %S.ast.Node, ptr %t45
@@ -45595,623 +53390,1125 @@ inrange4988:
   store %S.ast.Node %t49, ptr %a50
   %t51 = load ptr, ptr %a1
   %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic4989, label %ok4990
-panic4989:
-  call void @finch_panic(ptr @.str.3225, i64 2388, ptr @.str.3226)
+  br i1 %t52, label %panic5269, label %ok5270
+panic5269:
+  call void @finch_panic(ptr @.str.3343, i64 2577, ptr @.str.3344)
   unreachable
-ok4990:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 12
+ok5270:
+  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 13
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %t53, i32 0, i32 9
   %t55 = load i1, ptr %t54
   %t56 = xor i1 %t55, true
-  br i1 %t56, label %then4991, label %endif4993
-then4991:
-  store { ptr, i64, i64 } { ptr @.str.3227, i64 1, i64 0 }, ptr %a57
+  br i1 %t56, label %then5271, label %endif5273
+then5271:
+  store { ptr, i64, i64 } { ptr @.str.3345, i64 1, i64 0 }, ptr %a57
   %t58 = load ptr, ptr %a1
   %t59 = icmp eq ptr %t58, null
-  br i1 %t59, label %panic4994, label %ok4995
-panic4994:
-  call void @finch_panic(ptr @.str.3228, i64 2390, ptr @.str.3229)
+  br i1 %t59, label %panic5274, label %ok5275
+panic5274:
+  call void @finch_panic(ptr @.str.3346, i64 2579, ptr @.str.3347)
   unreachable
-ok4995:
-  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 12
+ok5275:
+  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 13
   %t61 = getelementptr inbounds %S.gen.FnSig, ptr %t60, i32 0, i32 12
   %t62 = getelementptr inbounds %S.ast.Type, ptr %t61, i32 0, i32 0
   %t63 = load { ptr, i64, i64 }, ptr %t62
   store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.3230, i64 4, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.3348, i64 4, i64 0 }, ptr %a65
   %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
   %t67 = icmp eq i32 %t66, 0
-  br i1 %t67, label %then4996, label %endif4998
-then4996:
+  br i1 %t67, label %then5276, label %endif5278
+then5276:
   %t68 = load ptr, ptr %a1
   %t69 = icmp eq ptr %t68, null
-  br i1 %t69, label %panic4999, label %ok5000
-panic4999:
-  call void @finch_panic(ptr @.str.3231, i64 2391, ptr @.str.3232)
+  br i1 %t69, label %panic5279, label %ok5280
+panic5279:
+  call void @finch_panic(ptr @.str.3349, i64 2580, ptr @.str.3350)
   unreachable
-ok5000:
-  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 12
+ok5280:
+  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 13
   %t71 = getelementptr inbounds %S.gen.FnSig, ptr %t70, i32 0, i32 12
   %t72 = load %S.ast.Type, ptr %t71
   %t73 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t72)
   store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.3233, i64 1, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.3351, i64 1, i64 0 }, ptr %a76
   call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a57
-  br label %endif4998
-endif4998:
-  %t78 = load ptr, ptr %a1
-  %t79 = load %S.ast.Node, ptr %a50
-  %t80 = load ptr, ptr %a1
-  %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic5001, label %ok5002
-panic5001:
-  call void @finch_panic(ptr @.str.3235, i64 2393, ptr @.str.3236)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t78, ptr %a57
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif5278
+endif5278:
+  %t81 = load ptr, ptr %a1
+  %t82 = load %S.ast.Node, ptr %a50
+  %t83 = load ptr, ptr %a1
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic5281, label %ok5282
+panic5281:
+  call void @finch_panic(ptr @.str.3353, i64 2582, ptr @.str.3354)
   unreachable
-ok5002:
-  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 12
-  %t83 = getelementptr inbounds %S.gen.FnSig, ptr %t82, i32 0, i32 1
-  %t84 = load { ptr, i64, i64 }, ptr %t83
-  store { ptr, i64, i64 } { ptr @.str.3234, i64 1, i64 0 }, ptr %a86
-  store { ptr, i64, i64 } %t84, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.3237, i64 64, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = load { ptr, i64, i64 }, ptr %a57
-  store { ptr, i64, i64 } %t92, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.3238, i64 1, i64 0 }, ptr %a100
+ok5282:
+  %t85 = getelementptr inbounds %S.gen.Gen, ptr %t83, i32 0, i32 13
+  %t86 = getelementptr inbounds %S.gen.FnSig, ptr %t85, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  store { ptr, i64, i64 } { ptr @.str.3352, i64 1, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.3355, i64 64, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  %t97 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t96, ptr %a99
+  store { ptr, i64, i64 } %t97, ptr %a100
   call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  call void @finch.gen.fail(ptr %t78, %S.ast.Node %t79, { ptr, i64, i64 } %t101)
-  br label %endif4993
-endif4993:
-  %t102 = load ptr, ptr %a1
-  %t103 = load %S.ast.Node, ptr %a50
-  call void @finch.gen.checkArgs(ptr %t102, %S.ast.Node %t103, i64 0, i64 1, { ptr, i64, i64 } { ptr @.str.3239, i64 5, i64 0 })
-  %t104 = load ptr, ptr %a1
-  %t105 = load ptr, ptr %a1
-  %t106 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
-  %t107 = load { ptr, i64, i64 }, ptr %t106
-  %t108 = extractvalue { ptr, i64, i64 } %t107, 1
-  %t109 = icmp uge i64 0, %t108
-  br i1 %t109, label %range5003, label %inrange5004
-range5003:
-  call void @finch_panic_index(ptr @.str.3240, i64 2396, i64 0, i64 %t108)
+  store { ptr, i64, i64 } %t96, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t102, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.3356, i64 1, i64 0 }, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t102, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch.gen.fail(ptr %t81, %S.ast.Node %t82, { ptr, i64, i64 } %t107)
+  store { ptr, i64, i64 } %t107, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a57)
+  br label %endif5273
+endif5273:
+  %t109 = load ptr, ptr %a1
+  %t110 = load %S.ast.Node, ptr %a50
+  call void @finch.gen.checkArgs(ptr %t109, %S.ast.Node %t110, i64 0, i64 1, { ptr, i64, i64 } { ptr @.str.3357, i64 5, i64 0 })
+  %t111 = load ptr, ptr %a1
+  %t112 = load ptr, ptr %a1
+  %t113 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
+  %t116 = icmp uge i64 0, %t115
+  br i1 %t116, label %range5283, label %inrange5284
+range5283:
+  call void @finch_panic_index(ptr @.str.3358, i64 2585, i64 0, i64 %t115)
   unreachable
-inrange5004:
-  %t110 = extractvalue { ptr, i64, i64 } %t107, 0
-  %t111 = getelementptr inbounds %S.ast.Node, ptr %t110, i64 0
-  %t112 = load %S.ast.Node, ptr %t111
-  %t113 = call %S.gen.Val @finch.gen.expr(ptr %t105, %S.ast.Node %t112)
-  %t114 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3241, i64 3, i64 0 })
-  %t115 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
-  %t118 = icmp uge i64 0, %t117
-  br i1 %t118, label %range5005, label %inrange5006
-range5005:
-  call void @finch_panic_index(ptr @.str.3242, i64 2396, i64 0, i64 %t117)
+inrange5284:
+  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
+  %t118 = getelementptr inbounds %S.ast.Node, ptr %t117, i64 0
+  %t119 = load %S.ast.Node, ptr %t118
+  %t120 = call %S.gen.Val @finch.gen.expr(ptr %t112, %S.ast.Node %t119)
+  %t121 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3359, i64 3, i64 0 })
+  %t122 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
+  %t123 = load { ptr, i64, i64 }, ptr %t122
+  %t124 = extractvalue { ptr, i64, i64 } %t123, 1
+  %t125 = icmp uge i64 0, %t124
+  br i1 %t125, label %range5285, label %inrange5286
+range5285:
+  call void @finch_panic_index(ptr @.str.3360, i64 2585, i64 0, i64 %t124)
   unreachable
-inrange5006:
-  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
-  %t120 = getelementptr inbounds %S.ast.Node, ptr %t119, i64 0
-  %t121 = load %S.ast.Node, ptr %t120
-  %t122 = call %S.gen.Val @finch.gen.coerce(ptr %t104, %S.gen.Val %t113, %S.ast.Type %t114, %S.ast.Node %t121, { ptr, i64, i64 } { ptr @.str.3243, i64 17, i64 0 })
-  store %S.gen.Val %t122, ptr %a123
-  %t124 = load ptr, ptr %a1
-  %t125 = load %S.gen.Val, ptr %a123
-  %t126 = call { ptr, i64, i64 } @finch.gen.own(ptr %t124, %S.gen.Val %t125)
-  store { ptr, i64, i64 } %t126, ptr %a127
-  %t128 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t128, i64 0)
-  %t129 = load ptr, ptr %a1
-  %t130 = load ptr, ptr %a1
-  %t131 = load ptr, ptr %a1
-  %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic5007, label %ok5008
-panic5007:
-  call void @finch_panic(ptr @.str.3245, i64 2399, ptr @.str.3246)
+inrange5286:
+  %t126 = extractvalue { ptr, i64, i64 } %t123, 0
+  %t127 = getelementptr inbounds %S.ast.Node, ptr %t126, i64 0
+  %t128 = load %S.ast.Node, ptr %t127
+  %t129 = call %S.gen.Val @finch.gen.coerce(ptr %t111, %S.gen.Val %t120, %S.ast.Type %t121, %S.ast.Node %t128, { ptr, i64, i64 } { ptr @.str.3361, i64 17, i64 0 })
+  store %S.gen.Val %t120, ptr %a130
+  call void @finch.drop.S_gen_Val(ptr %a130)
+  store %S.ast.Type %t121, ptr %a131
+  call void @finch.drop.S_ast_Type(ptr %a131)
+  store %S.gen.Val %t129, ptr %a132
+  %t133 = load ptr, ptr %a1
+  %t134 = load %S.gen.Val, ptr %a132
+  %t135 = call { ptr, i64, i64 } @finch.gen.own(ptr %t133, %S.gen.Val %t134)
+  store { ptr, i64, i64 } %t135, ptr %a136
+  %t137 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t137, i64 0)
+  %t138 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t138, i64 0)
+  %t139 = load ptr, ptr %a1
+  %t140 = load ptr, ptr %a1
+  %t141 = load ptr, ptr %a1
+  %t142 = icmp eq ptr %t141, null
+  br i1 %t142, label %panic5287, label %ok5288
+panic5287:
+  call void @finch_panic(ptr @.str.3363, i64 2589, ptr @.str.3364)
   unreachable
-ok5008:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 12
-  %t134 = load %S.gen.FnSig, ptr %t133
-  %t135 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t130, %S.gen.FnSig %t134)
-  store { ptr, i64, i64 } { ptr @.str.3244, i64 4, i64 0 }, ptr %a137
-  store { ptr, i64, i64 } %t135, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  store { ptr, i64, i64 } %t139, ptr %a141
-  store { ptr, i64, i64 } { ptr @.str.3247, i64 1, i64 0 }, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  %t144 = load ptr, ptr %a1
-  %t145 = load ptr, ptr %a1
-  %t146 = load ptr, ptr %a1
-  %t147 = icmp eq ptr %t146, null
-  br i1 %t147, label %panic5009, label %ok5010
-panic5009:
-  call void @finch_panic(ptr @.str.3249, i64 2399, ptr @.str.3250)
-  unreachable
-ok5010:
-  %t148 = getelementptr inbounds %S.gen.Gen, ptr %t146, i32 0, i32 12
-  %t149 = load %S.gen.FnSig, ptr %t148
-  %t150 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t145, %S.gen.FnSig %t149)
-  store { ptr, i64, i64 } { ptr @.str.3248, i64 12, i64 0 }, ptr %a152
-  store { ptr, i64, i64 } %t150, ptr %a153
+ok5288:
+  %t143 = getelementptr inbounds %S.gen.Gen, ptr %t141, i32 0, i32 13
+  %t144 = load %S.gen.FnSig, ptr %t143
+  %t145 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t140, %S.gen.FnSig %t144)
+  store { ptr, i64, i64 } { ptr @.str.3362, i64 4, i64 0 }, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  store { ptr, i64, i64 } %t145, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t150, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.3365, i64 1, i64 0 }, ptr %a153
   call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
-  %t154 = load { ptr, i64, i64 }, ptr %a151
-  store { ptr, i64, i64 } %t154, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.3251, i64 36, i64 0 }, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  %t159 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t158, ptr %a161
-  store { ptr, i64, i64 } %t159, ptr %a162
-  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
-  %t163 = load { ptr, i64, i64 }, ptr %a160
-  store { ptr, i64, i64 } %t163, ptr %a165
-  store { ptr, i64, i64 } { ptr @.str.3252, i64 3, i64 0 }, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  %t168 = call { ptr, i64, i64 } @finch.gen.op(ptr %t144, { ptr, i64, i64 } %t167)
-  store { ptr, i64, i64 } %t143, ptr %a170
-  store { ptr, i64, i64 } %t168, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  call void @finch.gen.emit(ptr %t129, { ptr, i64, i64 } %t172)
-  %t173 = load ptr, ptr %a1
-  %t174 = icmp eq ptr %t173, null
-  br i1 %t174, label %panic5011, label %ok5012
-panic5011:
-  call void @finch_panic(ptr @.str.3253, i64 2400, ptr @.str.3254)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  %t156 = load ptr, ptr %a1
+  %t157 = load ptr, ptr %a1
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic5289, label %ok5290
+panic5289:
+  call void @finch_panic(ptr @.str.3367, i64 2589, ptr @.str.3368)
   unreachable
-ok5012:
-  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 9
-  store i1 true, ptr %t175
+ok5290:
+  %t160 = getelementptr inbounds %S.gen.Gen, ptr %t158, i32 0, i32 13
+  %t161 = load %S.gen.FnSig, ptr %t160
+  %t162 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t157, %S.gen.FnSig %t161)
+  store { ptr, i64, i64 } { ptr @.str.3366, i64 12, i64 0 }, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t162, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t167, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.3369, i64 36, i64 0 }, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t167, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  %t172 = load { ptr, i64, i64 }, ptr %a168
+  %t173 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t172, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t172, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.3370, i64 3, i64 0 }, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t178, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t156, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  store { ptr, i64, i64 } %t155, ptr %a187
+  store { ptr, i64, i64 } %t184, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t155, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  store { ptr, i64, i64 } %t184, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a186
+  call void @finch.gen.emit(ptr %t139, { ptr, i64, i64 } %t191)
+  store { ptr, i64, i64 } %t191, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load ptr, ptr %a1
+  %t194 = icmp eq ptr %t193, null
+  br i1 %t194, label %panic5291, label %ok5292
+panic5291:
+  call void @finch_panic(ptr @.str.3371, i64 2590, ptr @.str.3372)
+  unreachable
+ok5292:
+  %t195 = getelementptr inbounds %S.gen.Gen, ptr %t193, i32 0, i32 9
+  store i1 true, ptr %t195
+  call void @finch_str_drop(ptr %a136)
+  call void @finch.drop.S_gen_Val(ptr %a132)
+  call void @finch.drop.S_ast_Node(ptr %a50)
   ret void
-endif4986:
-  %t176 = load ptr, ptr %a1
-  %t177 = icmp eq ptr %t176, null
-  br i1 %t177, label %panic5013, label %ok5014
-panic5013:
-  call void @finch_panic(ptr @.str.3255, i64 2403, ptr @.str.3256)
+endif5266:
+  %t196 = load ptr, ptr %a1
+  %t197 = icmp eq ptr %t196, null
+  br i1 %t197, label %panic5293, label %ok5294
+panic5293:
+  call void @finch_panic(ptr @.str.3373, i64 2593, ptr @.str.3374)
   unreachable
-ok5014:
-  %t178 = getelementptr inbounds %S.gen.Gen, ptr %t176, i32 0, i32 12
-  %t179 = getelementptr inbounds %S.gen.FnSig, ptr %t178, i32 0, i32 12
-  %t180 = getelementptr inbounds %S.ast.Type, ptr %t179, i32 0, i32 0
-  %t181 = load { ptr, i64, i64 }, ptr %t180
-  store { ptr, i64, i64 } %t181, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.3257, i64 4, i64 0 }, ptr %a183
-  %t184 = call i32 @finch_str_eq(ptr %a182, ptr %a183)
-  %t185 = icmp ne i32 %t184, 0
-  br i1 %t185, label %then5015, label %endif5017
-then5015:
-  %t186 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t186, i32 0, i32 1
-  %t188 = load i64, ptr %t187
-  %t189 = icmp sgt i64 %t188, 0
-  br i1 %t189, label %then5018, label %endif5020
-then5018:
-  %t190 = load ptr, ptr %a1
-  %t191 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t192 = load { ptr, i64, i64 }, ptr %t191
-  %t193 = extractvalue { ptr, i64, i64 } %t192, 1
-  %t194 = icmp uge i64 0, %t193
-  br i1 %t194, label %range5021, label %inrange5022
-range5021:
-  call void @finch_panic_index(ptr @.str.3258, i64 2405, i64 0, i64 %t193)
+ok5294:
+  %t198 = getelementptr inbounds %S.gen.Gen, ptr %t196, i32 0, i32 13
+  %t199 = getelementptr inbounds %S.gen.FnSig, ptr %t198, i32 0, i32 12
+  %t200 = getelementptr inbounds %S.ast.Type, ptr %t199, i32 0, i32 0
+  %t201 = load { ptr, i64, i64 }, ptr %t200
+  store { ptr, i64, i64 } %t201, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.3375, i64 4, i64 0 }, ptr %a203
+  %t204 = call i32 @finch_str_eq(ptr %a202, ptr %a203)
+  %t205 = icmp ne i32 %t204, 0
+  br i1 %t205, label %then5295, label %endif5297
+then5295:
+  %t206 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
+  %t208 = load i64, ptr %t207
+  %t209 = icmp sgt i64 %t208, 0
+  br i1 %t209, label %then5298, label %endif5300
+then5298:
+  %t210 = load ptr, ptr %a1
+  %t211 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t212 = load { ptr, i64, i64 }, ptr %t211
+  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
+  %t214 = icmp uge i64 0, %t213
+  br i1 %t214, label %range5301, label %inrange5302
+range5301:
+  call void @finch_panic_index(ptr @.str.3376, i64 2595, i64 0, i64 %t213)
   unreachable
-inrange5022:
-  %t195 = extractvalue { ptr, i64, i64 } %t192, 0
-  %t196 = getelementptr inbounds %S.ast.Node, ptr %t195, i64 0
-  %t197 = load %S.ast.Node, ptr %t196
-  %t198 = load ptr, ptr %a1
-  %t199 = icmp eq ptr %t198, null
-  br i1 %t199, label %panic5023, label %ok5024
-panic5023:
-  call void @finch_panic(ptr @.str.3260, i64 2405, ptr @.str.3261)
-  unreachable
-ok5024:
-  %t200 = getelementptr inbounds %S.gen.Gen, ptr %t198, i32 0, i32 12
-  %t201 = getelementptr inbounds %S.gen.FnSig, ptr %t200, i32 0, i32 1
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  store { ptr, i64, i64 } { ptr @.str.3259, i64 1, i64 0 }, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  store { ptr, i64, i64 } %t206, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.3262, i64 46, i64 0 }, ptr %a209
-  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  call void @finch.gen.fail(ptr %t190, %S.ast.Node %t197, { ptr, i64, i64 } %t210)
-  br label %endif5020
-endif5020:
-  %t211 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t211, i64 0)
-  %t212 = load ptr, ptr %a1
-  %t213 = icmp eq ptr %t212, null
-  br i1 %t213, label %panic5025, label %ok5026
-panic5025:
-  call void @finch_panic(ptr @.str.3263, i64 2408, ptr @.str.3264)
-  unreachable
-ok5026:
-  %t214 = getelementptr inbounds %S.gen.Gen, ptr %t212, i32 0, i32 12
-  %t215 = getelementptr inbounds %S.gen.FnSig, ptr %t214, i32 0, i32 9
-  %t216 = load i1, ptr %t215
-  br i1 %t216, label %then5027, label %else5028
-then5027:
-  %t217 = load ptr, ptr %a1
+inrange5302:
+  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
+  %t216 = getelementptr inbounds %S.ast.Node, ptr %t215, i64 0
+  %t217 = load %S.ast.Node, ptr %t216
   %t218 = load ptr, ptr %a1
-  %t219 = load ptr, ptr %a1
-  %t220 = icmp eq ptr %t219, null
-  br i1 %t220, label %panic5030, label %ok5031
-panic5030:
-  call void @finch_panic(ptr @.str.3266, i64 2409, ptr @.str.3267)
+  %t219 = icmp eq ptr %t218, null
+  br i1 %t219, label %panic5303, label %ok5304
+panic5303:
+  call void @finch_panic(ptr @.str.3378, i64 2595, ptr @.str.3379)
   unreachable
-ok5031:
-  %t221 = getelementptr inbounds %S.gen.Gen, ptr %t219, i32 0, i32 12
-  %t222 = load %S.gen.FnSig, ptr %t221
-  %t223 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t218, %S.gen.FnSig %t222)
-  store { ptr, i64, i64 } { ptr @.str.3265, i64 4, i64 0 }, ptr %a225
-  store { ptr, i64, i64 } %t223, ptr %a226
-  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t227, ptr %a229
-  store { ptr, i64, i64 } { ptr @.str.3268, i64 53, i64 0 }, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  call void @finch.gen.emit(ptr %t217, { ptr, i64, i64 } %t231)
-  br label %endif5029
-else5028:
-  %t232 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t232, { ptr, i64, i64 } { ptr @.str.3269, i64 8, i64 0 })
-  br label %endif5029
-endif5029:
+ok5304:
+  %t220 = getelementptr inbounds %S.gen.Gen, ptr %t218, i32 0, i32 13
+  %t221 = getelementptr inbounds %S.gen.FnSig, ptr %t220, i32 0, i32 1
+  %t222 = load { ptr, i64, i64 }, ptr %t221
+  store { ptr, i64, i64 } { ptr @.str.3377, i64 1, i64 0 }, ptr %a224
+  store { ptr, i64, i64 } %t222, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  %t226 = load { ptr, i64, i64 }, ptr %a223
+  store { ptr, i64, i64 } %t226, ptr %a228
+  store { ptr, i64, i64 } { ptr @.str.3380, i64 46, i64 0 }, ptr %a229
+  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
+  store { ptr, i64, i64 } %t226, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = load { ptr, i64, i64 }, ptr %a227
+  call void @finch.gen.fail(ptr %t210, %S.ast.Node %t217, { ptr, i64, i64 } %t231)
+  store { ptr, i64, i64 } %t231, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  br label %endif5300
+endif5300:
   %t233 = load ptr, ptr %a1
-  %t234 = icmp eq ptr %t233, null
-  br i1 %t234, label %panic5032, label %ok5033
-panic5032:
-  call void @finch_panic(ptr @.str.3270, i64 2413, ptr @.str.3271)
+  call void @finch.gen.dropPending(ptr %t233, i64 0)
+  %t234 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t234, i64 0)
+  %t235 = load ptr, ptr %a1
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic5305, label %ok5306
+panic5305:
+  call void @finch_panic(ptr @.str.3381, i64 2599, ptr @.str.3382)
   unreachable
-ok5033:
-  %t235 = getelementptr inbounds %S.gen.Gen, ptr %t233, i32 0, i32 9
-  store i1 true, ptr %t235
-  ret void
-endif5017:
-  %t236 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i32 0, i32 1
-  %t238 = load i64, ptr %t237
-  %t239 = icmp eq i64 %t238, 0
-  br i1 %t239, label %then5034, label %endif5036
-then5034:
+ok5306:
+  %t237 = getelementptr inbounds %S.gen.Gen, ptr %t235, i32 0, i32 13
+  %t238 = getelementptr inbounds %S.gen.FnSig, ptr %t237, i32 0, i32 9
+  %t239 = load i1, ptr %t238
+  br i1 %t239, label %then5307, label %else5308
+then5307:
   %t240 = load ptr, ptr %a1
-  %t241 = load %S.ast.Node, ptr %a2
+  %t241 = load ptr, ptr %a1
   %t242 = load ptr, ptr %a1
   %t243 = icmp eq ptr %t242, null
-  br i1 %t243, label %panic5037, label %ok5038
-panic5037:
-  call void @finch_panic(ptr @.str.3273, i64 2417, ptr @.str.3274)
+  br i1 %t243, label %panic5310, label %ok5311
+panic5310:
+  call void @finch_panic(ptr @.str.3384, i64 2600, ptr @.str.3385)
   unreachable
-ok5038:
-  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 12
-  %t245 = getelementptr inbounds %S.gen.FnSig, ptr %t244, i32 0, i32 1
-  %t246 = load { ptr, i64, i64 }, ptr %t245
-  store { ptr, i64, i64 } { ptr @.str.3272, i64 1, i64 0 }, ptr %a248
+ok5311:
+  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 13
+  %t245 = load %S.gen.FnSig, ptr %t244
+  %t246 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t241, %S.gen.FnSig %t245)
+  store { ptr, i64, i64 } { ptr @.str.3383, i64 4, i64 0 }, ptr %a248
   store { ptr, i64, i64 } %t246, ptr %a249
   call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
-  %t250 = load { ptr, i64, i64 }, ptr %a247
-  store { ptr, i64, i64 } %t250, ptr %a252
-  store { ptr, i64, i64 } { ptr @.str.3275, i64 14, i64 0 }, ptr %a253
-  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
-  %t254 = load { ptr, i64, i64 }, ptr %a251
-  %t255 = load ptr, ptr %a1
-  %t256 = icmp eq ptr %t255, null
-  br i1 %t256, label %panic5039, label %ok5040
-panic5039:
-  call void @finch_panic(ptr @.str.3276, i64 2417, ptr @.str.3277)
+  store { ptr, i64, i64 } %t246, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.3386, i64 53, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  call void @finch.gen.emit(ptr %t240, { ptr, i64, i64 } %t256)
+  store { ptr, i64, i64 } %t256, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  br label %endif5309
+else5308:
+  %t258 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t258, { ptr, i64, i64 } { ptr @.str.3387, i64 8, i64 0 })
+  br label %endif5309
+endif5309:
+  %t259 = load ptr, ptr %a1
+  %t260 = icmp eq ptr %t259, null
+  br i1 %t260, label %panic5312, label %ok5313
+panic5312:
+  call void @finch_panic(ptr @.str.3388, i64 2604, ptr @.str.3389)
   unreachable
-ok5040:
-  %t257 = getelementptr inbounds %S.gen.Gen, ptr %t255, i32 0, i32 12
-  %t258 = getelementptr inbounds %S.gen.FnSig, ptr %t257, i32 0, i32 12
-  %t259 = load %S.ast.Type, ptr %t258
-  %t260 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t259)
-  store { ptr, i64, i64 } %t254, ptr %a262
-  store { ptr, i64, i64 } %t260, ptr %a263
-  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
-  %t264 = load { ptr, i64, i64 }, ptr %a261
-  call void @finch.gen.fail(ptr %t240, %S.ast.Node %t241, { ptr, i64, i64 } %t264)
-  br label %endif5036
-endif5036:
-  %t265 = load ptr, ptr %a1
+ok5313:
+  %t261 = getelementptr inbounds %S.gen.Gen, ptr %t259, i32 0, i32 9
+  store i1 true, ptr %t261
+  ret void
+endif5297:
+  %t262 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i32 0, i32 1
+  %t264 = load i64, ptr %t263
+  %t265 = icmp eq i64 %t264, 0
+  br i1 %t265, label %then5314, label %endif5316
+then5314:
   %t266 = load ptr, ptr %a1
-  %t267 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
-  %t270 = icmp uge i64 0, %t269
-  br i1 %t270, label %range5041, label %inrange5042
-range5041:
-  call void @finch_panic_index(ptr @.str.3278, i64 2419, i64 0, i64 %t269)
+  %t267 = load %S.ast.Node, ptr %a2
+  %t268 = load ptr, ptr %a1
+  %t269 = icmp eq ptr %t268, null
+  br i1 %t269, label %panic5317, label %ok5318
+panic5317:
+  call void @finch_panic(ptr @.str.3391, i64 2608, ptr @.str.3392)
   unreachable
-inrange5042:
-  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
-  %t272 = getelementptr inbounds %S.ast.Node, ptr %t271, i64 0
-  %t273 = load %S.ast.Node, ptr %t272
-  %t274 = load ptr, ptr %a1
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic5043, label %ok5044
-panic5043:
-  call void @finch_panic(ptr @.str.3279, i64 2419, ptr @.str.3280)
+ok5318:
+  %t270 = getelementptr inbounds %S.gen.Gen, ptr %t268, i32 0, i32 13
+  %t271 = getelementptr inbounds %S.gen.FnSig, ptr %t270, i32 0, i32 1
+  %t272 = load { ptr, i64, i64 }, ptr %t271
+  store { ptr, i64, i64 } { ptr @.str.3390, i64 1, i64 0 }, ptr %a274
+  store { ptr, i64, i64 } %t272, ptr %a275
+  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a273
+  store { ptr, i64, i64 } %t276, ptr %a278
+  store { ptr, i64, i64 } { ptr @.str.3393, i64 14, i64 0 }, ptr %a279
+  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
+  store { ptr, i64, i64 } %t276, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  %t281 = load { ptr, i64, i64 }, ptr %a277
+  %t282 = load ptr, ptr %a1
+  %t283 = icmp eq ptr %t282, null
+  br i1 %t283, label %panic5319, label %ok5320
+panic5319:
+  call void @finch_panic(ptr @.str.3394, i64 2608, ptr @.str.3395)
   unreachable
-ok5044:
-  %t276 = getelementptr inbounds %S.gen.Gen, ptr %t274, i32 0, i32 12
-  %t277 = getelementptr inbounds %S.gen.FnSig, ptr %t276, i32 0, i32 12
-  %t278 = load %S.ast.Type, ptr %t277
-  %t279 = call %S.gen.Val @finch.gen.exprWant(ptr %t266, %S.ast.Node %t273, %S.ast.Type %t278)
-  %t280 = load ptr, ptr %a1
-  %t281 = icmp eq ptr %t280, null
-  br i1 %t281, label %panic5045, label %ok5046
-panic5045:
-  call void @finch_panic(ptr @.str.3281, i64 2419, ptr @.str.3282)
+ok5320:
+  %t284 = getelementptr inbounds %S.gen.Gen, ptr %t282, i32 0, i32 13
+  %t285 = getelementptr inbounds %S.gen.FnSig, ptr %t284, i32 0, i32 12
+  %t286 = load %S.ast.Type, ptr %t285
+  %t287 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t286)
+  store { ptr, i64, i64 } %t281, ptr %a289
+  store { ptr, i64, i64 } %t287, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  store { ptr, i64, i64 } %t281, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  store { ptr, i64, i64 } %t287, ptr %a292
+  call void @finch_str_drop(ptr %a292)
+  %t293 = load { ptr, i64, i64 }, ptr %a288
+  call void @finch.gen.fail(ptr %t266, %S.ast.Node %t267, { ptr, i64, i64 } %t293)
+  store { ptr, i64, i64 } %t293, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  br label %endif5316
+endif5316:
+  %t295 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t296 = load { ptr, i64, i64 }, ptr %t295
+  %t297 = extractvalue { ptr, i64, i64 } %t296, 1
+  %t298 = icmp uge i64 0, %t297
+  br i1 %t298, label %range5321, label %inrange5322
+range5321:
+  call void @finch_panic_index(ptr @.str.3396, i64 2611, i64 0, i64 %t297)
   unreachable
-ok5046:
-  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 12
-  %t283 = getelementptr inbounds %S.gen.FnSig, ptr %t282, i32 0, i32 12
-  %t284 = load %S.ast.Type, ptr %t283
-  %t285 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 0, %t287
-  br i1 %t288, label %range5047, label %inrange5048
-range5047:
-  call void @finch_panic_index(ptr @.str.3283, i64 2419, i64 0, i64 %t287)
-  unreachable
-inrange5048:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds %S.ast.Node, ptr %t289, i64 0
-  %t291 = load %S.ast.Node, ptr %t290
-  %t292 = call %S.gen.Val @finch.gen.coerce(ptr %t265, %S.gen.Val %t279, %S.ast.Type %t284, %S.ast.Node %t291, { ptr, i64, i64 } { ptr @.str.3284, i64 18, i64 0 })
-  store %S.gen.Val %t292, ptr %a293
-  %t294 = getelementptr inbounds %S.gen.Val, ptr %a293, i32 0, i32 0
-  %t295 = load { ptr, i64, i64 }, ptr %t294
-  store { ptr, i64, i64 } %t295, ptr %a296
-  call void @finch_str_copy(ptr %a297, ptr %a296)
-  %t298 = load { ptr, i64, i64 }, ptr %a297
-  store { ptr, i64, i64 } %t298, ptr %a299
-  store i1 false, ptr %a300
-  %t301 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+inrange5322:
+  %t299 = extractvalue { ptr, i64, i64 } %t296, 0
+  %t300 = getelementptr inbounds %S.ast.Node, ptr %t299, i64 0
+  %t301 = getelementptr inbounds %S.ast.Node, ptr %t300, i32 0, i32 0
   %t302 = load { ptr, i64, i64 }, ptr %t301
-  %t303 = extractvalue { ptr, i64, i64 } %t302, 1
-  %t304 = icmp uge i64 0, %t303
-  br i1 %t304, label %range5049, label %inrange5050
-range5049:
-  call void @finch_panic_index(ptr @.str.3285, i64 2423, i64 0, i64 %t303)
-  unreachable
-inrange5050:
-  %t305 = extractvalue { ptr, i64, i64 } %t302, 0
-  %t306 = getelementptr inbounds %S.ast.Node, ptr %t305, i64 0
-  %t307 = getelementptr inbounds %S.ast.Node, ptr %t306, i32 0, i32 0
+  store { ptr, i64, i64 } %t302, ptr %a303
+  store { ptr, i64, i64 } { ptr @.str.3397, i64 3, i64 0 }, ptr %a304
+  %t305 = call i32 @finch_str_eq(ptr %a303, ptr %a304)
+  %t306 = icmp ne i32 %t305, 0
+  br i1 %t306, label %then5323, label %endif5325
+then5323:
+  %t307 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t308 = load { ptr, i64, i64 }, ptr %t307
-  store { ptr, i64, i64 } %t308, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.3286, i64 3, i64 0 }, ptr %a310
-  %t311 = call i32 @finch_str_eq(ptr %a309, ptr %a310)
-  %t312 = icmp ne i32 %t311, 0
-  br i1 %t312, label %then5051, label %endif5053
-then5051:
-  %t313 = load ptr, ptr %a1
-  %t314 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t315 = load { ptr, i64, i64 }, ptr %t314
-  %t316 = extractvalue { ptr, i64, i64 } %t315, 1
-  %t317 = icmp uge i64 0, %t316
-  br i1 %t317, label %range5054, label %inrange5055
-range5054:
-  call void @finch_panic_index(ptr @.str.3287, i64 2424, i64 0, i64 %t316)
+  %t309 = extractvalue { ptr, i64, i64 } %t308, 1
+  %t310 = icmp uge i64 0, %t309
+  br i1 %t310, label %range5326, label %inrange5327
+range5326:
+  call void @finch_panic_index(ptr @.str.3398, i64 2612, i64 0, i64 %t309)
   unreachable
-inrange5055:
-  %t318 = extractvalue { ptr, i64, i64 } %t315, 0
-  %t319 = getelementptr inbounds %S.ast.Node, ptr %t318, i64 0
-  %t320 = getelementptr inbounds %S.ast.Node, ptr %t319, i32 0, i32 1
-  %t321 = load { ptr, i64, i64 }, ptr %t320
-  %t322 = call i64 @finch.gen.lookup(ptr %t313, { ptr, i64, i64 } %t321)
-  store i64 %t322, ptr %a323
-  %t324 = load i64, ptr %a323
-  %t325 = icmp sge i64 %t324, 0
-  br label %logic.from5056
-logic.from5056:
-  br i1 %t325, label %logic.rhs5057, label %logic.end5058
-logic.rhs5057:
-  %t326 = load i64, ptr %a323
-  %t327 = sdiv i64 %t326, 100000
-  %t328 = icmp sgt i64 %t327, 0
-  br label %logic.rend5059
-logic.rend5059:
-  br label %logic.end5058
-logic.end5058:
-  %t329 = phi i1 [ false, %logic.from5056 ], [ %t328, %logic.rend5059 ]
-  store i1 %t329, ptr %a300
-  br label %endif5053
-endif5053:
-  %t330 = load i1, ptr %a300
-  %t331 = xor i1 %t330, true
-  br i1 %t331, label %then5060, label %endif5062
-then5060:
-  %t332 = load ptr, ptr %a1
-  %t333 = load %S.gen.Val, ptr %a293
-  %t334 = call { ptr, i64, i64 } @finch.gen.own(ptr %t332, %S.gen.Val %t333)
-  store { ptr, i64, i64 } %t334, ptr %a299
-  br label %endif5062
-endif5062:
-  %t335 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t335, i64 0)
-  %t336 = load ptr, ptr %a1
-  %t337 = icmp eq ptr %t336, null
-  br i1 %t337, label %panic5063, label %ok5064
-panic5063:
-  call void @finch_panic(ptr @.str.3288, i64 2431, ptr @.str.3289)
+inrange5327:
+  %t311 = extractvalue { ptr, i64, i64 } %t308, 0
+  %t312 = getelementptr inbounds %S.ast.Node, ptr %t311, i64 0
+  %t313 = getelementptr inbounds %S.ast.Node, ptr %t312, i32 0, i32 1
+  %t314 = load { ptr, i64, i64 }, ptr %t313
+  store { ptr, i64, i64 } %t314, ptr %a315
+  call void @finch_str_copy(ptr %a316, ptr %a315)
+  %t317 = load { ptr, i64, i64 }, ptr %a316
+  store { ptr, i64, i64 } %t317, ptr %a318
+  %t319 = load ptr, ptr %a1
+  %t320 = icmp eq ptr %t319, null
+  br i1 %t320, label %panic5328, label %ok5329
+panic5328:
+  call void @finch_panic(ptr @.str.3399, i64 2613, ptr @.str.3400)
   unreachable
-ok5064:
-  %t338 = getelementptr inbounds %S.gen.Gen, ptr %t336, i32 0, i32 12
-  %t339 = getelementptr inbounds %S.gen.FnSig, ptr %t338, i32 0, i32 9
-  %t340 = load i1, ptr %t339
-  br i1 %t340, label %then5065, label %else5066
-then5065:
-  %t341 = load ptr, ptr %a1
-  %t342 = load ptr, ptr %a1
-  %t343 = load ptr, ptr %a1
-  %t344 = icmp eq ptr %t343, null
-  br i1 %t344, label %panic5068, label %ok5069
-panic5068:
-  call void @finch_panic(ptr @.str.3291, i64 2432, ptr @.str.3292)
+ok5329:
+  %t321 = getelementptr inbounds %S.gen.Gen, ptr %t319, i32 0, i32 10
+  %t322 = getelementptr inbounds { ptr, i64, i64 }, ptr %t321, i32 0, i32 1
+  %t323 = load i64, ptr %t322
+  store i64 %t323, ptr %a324
+  br label %while.cond5330
+while.cond5330:
+  %t325 = load i64, ptr %a324
+  %t326 = icmp sgt i64 %t325, 0
+  br i1 %t326, label %while.body5331, label %while.end5332
+while.body5331:
+  %t327 = load i64, ptr %a324
+  %t328 = sub i64 %t327, 1
+  store i64 %t328, ptr %a324
+  store i64 -1, ptr %a329
+  %t330 = load ptr, ptr %a1
+  %t331 = icmp eq ptr %t330, null
+  br i1 %t331, label %panic5333, label %ok5334
+panic5333:
+  call void @finch_panic(ptr @.str.3401, i64 2617, ptr @.str.3402)
   unreachable
-ok5069:
-  %t345 = getelementptr inbounds %S.gen.Gen, ptr %t343, i32 0, i32 12
-  %t346 = load %S.gen.FnSig, ptr %t345
-  %t347 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t342, %S.gen.FnSig %t346)
-  store { ptr, i64, i64 } { ptr @.str.3290, i64 12, i64 0 }, ptr %a349
-  store { ptr, i64, i64 } %t347, ptr %a350
-  call void @finch_str_concat(ptr %a348, ptr %a349, ptr %a350)
-  %t351 = load { ptr, i64, i64 }, ptr %a348
-  store { ptr, i64, i64 } %t351, ptr %a353
-  store { ptr, i64, i64 } { ptr @.str.3293, i64 28, i64 0 }, ptr %a354
-  call void @finch_str_concat(ptr %a352, ptr %a353, ptr %a354)
-  %t355 = load { ptr, i64, i64 }, ptr %a352
-  %t356 = call { ptr, i64, i64 } @finch.gen.op(ptr %t341, { ptr, i64, i64 } %t355)
-  store { ptr, i64, i64 } %t356, ptr %a357
-  %t358 = load ptr, ptr %a1
-  %t359 = load ptr, ptr %a1
-  %t360 = load ptr, ptr %a1
-  %t361 = icmp eq ptr %t360, null
-  br i1 %t361, label %panic5070, label %ok5071
-panic5070:
-  call void @finch_panic(ptr @.str.3295, i64 2433, ptr @.str.3296)
+ok5334:
+  %t332 = getelementptr inbounds %S.gen.Gen, ptr %t330, i32 0, i32 10
+  %t333 = load i64, ptr %a324
+  %t334 = load { ptr, i64, i64 }, ptr %t332
+  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
+  %t336 = icmp uge i64 %t333, %t335
+  br i1 %t336, label %range5335, label %inrange5336
+range5335:
+  call void @finch_panic_index(ptr @.str.3403, i64 2617, i64 %t333, i64 %t335)
   unreachable
-ok5071:
-  %t362 = getelementptr inbounds %S.gen.Gen, ptr %t360, i32 0, i32 12
-  %t363 = load %S.gen.FnSig, ptr %t362
-  %t364 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t359, %S.gen.FnSig %t363)
-  store { ptr, i64, i64 } { ptr @.str.3294, i64 12, i64 0 }, ptr %a366
-  store { ptr, i64, i64 } %t364, ptr %a367
-  call void @finch_str_concat(ptr %a365, ptr %a366, ptr %a367)
-  %t368 = load { ptr, i64, i64 }, ptr %a365
-  store { ptr, i64, i64 } %t368, ptr %a370
-  store { ptr, i64, i64 } { ptr @.str.3297, i64 1, i64 0 }, ptr %a371
-  call void @finch_str_concat(ptr %a369, ptr %a370, ptr %a371)
-  %t372 = load { ptr, i64, i64 }, ptr %a369
-  %t373 = load { ptr, i64, i64 }, ptr %a357
-  store { ptr, i64, i64 } %t372, ptr %a375
-  store { ptr, i64, i64 } %t373, ptr %a376
-  call void @finch_str_concat(ptr %a374, ptr %a375, ptr %a376)
-  %t377 = load { ptr, i64, i64 }, ptr %a374
-  store { ptr, i64, i64 } %t377, ptr %a379
-  store { ptr, i64, i64 } { ptr @.str.3298, i64 2, i64 0 }, ptr %a380
-  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
-  %t381 = load { ptr, i64, i64 }, ptr %a378
-  %t382 = load ptr, ptr %a1
-  %t383 = load ptr, ptr %a1
-  %t384 = icmp eq ptr %t383, null
-  br i1 %t384, label %panic5072, label %ok5073
-panic5072:
-  call void @finch_panic(ptr @.str.3299, i64 2433, ptr @.str.3300)
+inrange5336:
+  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
+  %t338 = getelementptr inbounds %S.gen.Scope, ptr %t337, i64 %t333
+  %t339 = getelementptr inbounds %S.gen.Scope, ptr %t338, i32 0, i32 0
+  %t340 = getelementptr inbounds { ptr, i64, i64 }, ptr %t339, i32 0, i32 1
+  %t341 = load i64, ptr %t340
+  store i64 0, ptr %a342
+  br label %for.cond5337
+for.cond5337:
+  %t343 = load i64, ptr %a342
+  %t344 = icmp slt i64 %t343, %t341
+  br i1 %t344, label %for.body5338, label %for.end5340
+for.body5338:
+  %t345 = load ptr, ptr %a1
+  %t346 = icmp eq ptr %t345, null
+  br i1 %t346, label %panic5341, label %ok5342
+panic5341:
+  call void @finch_panic(ptr @.str.3404, i64 2618, ptr @.str.3405)
   unreachable
-ok5073:
-  %t385 = getelementptr inbounds %S.gen.Gen, ptr %t383, i32 0, i32 12
-  %t386 = getelementptr inbounds %S.gen.FnSig, ptr %t385, i32 0, i32 12
-  %t387 = load %S.ast.Type, ptr %t386
-  %t388 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t382, %S.ast.Type %t387)
-  store { ptr, i64, i64 } %t381, ptr %a390
-  store { ptr, i64, i64 } %t388, ptr %a391
-  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
-  %t392 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t392, ptr %a394
-  store { ptr, i64, i64 } { ptr @.str.3301, i64 1, i64 0 }, ptr %a395
-  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
-  %t396 = load { ptr, i64, i64 }, ptr %a393
-  %t397 = load { ptr, i64, i64 }, ptr %a299
-  store { ptr, i64, i64 } %t396, ptr %a399
-  store { ptr, i64, i64 } %t397, ptr %a400
-  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
-  %t401 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } %t401, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.3302, i64 3, i64 0 }, ptr %a404
-  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
-  %t405 = load { ptr, i64, i64 }, ptr %a402
-  %t406 = call { ptr, i64, i64 } @finch.gen.op(ptr %t358, { ptr, i64, i64 } %t405)
-  store { ptr, i64, i64 } %t406, ptr %a407
-  %t408 = load ptr, ptr %a1
-  %t409 = load ptr, ptr %a1
-  %t410 = load ptr, ptr %a1
-  %t411 = icmp eq ptr %t410, null
-  br i1 %t411, label %panic5074, label %ok5075
-panic5074:
-  call void @finch_panic(ptr @.str.3304, i64 2434, ptr @.str.3305)
+ok5342:
+  %t347 = getelementptr inbounds %S.gen.Gen, ptr %t345, i32 0, i32 10
+  %t348 = load i64, ptr %a324
+  %t349 = load { ptr, i64, i64 }, ptr %t347
+  %t350 = extractvalue { ptr, i64, i64 } %t349, 1
+  %t351 = icmp uge i64 %t348, %t350
+  br i1 %t351, label %range5343, label %inrange5344
+range5343:
+  call void @finch_panic_index(ptr @.str.3406, i64 2618, i64 %t348, i64 %t350)
   unreachable
-ok5075:
-  %t412 = getelementptr inbounds %S.gen.Gen, ptr %t410, i32 0, i32 12
-  %t413 = load %S.gen.FnSig, ptr %t412
-  %t414 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t409, %S.gen.FnSig %t413)
-  store { ptr, i64, i64 } { ptr @.str.3303, i64 4, i64 0 }, ptr %a416
-  store { ptr, i64, i64 } %t414, ptr %a417
-  call void @finch_str_concat(ptr %a415, ptr %a416, ptr %a417)
-  %t418 = load { ptr, i64, i64 }, ptr %a415
-  store { ptr, i64, i64 } %t418, ptr %a420
-  store { ptr, i64, i64 } { ptr @.str.3306, i64 1, i64 0 }, ptr %a421
-  call void @finch_str_concat(ptr %a419, ptr %a420, ptr %a421)
-  %t422 = load { ptr, i64, i64 }, ptr %a419
-  %t423 = load { ptr, i64, i64 }, ptr %a407
-  store { ptr, i64, i64 } %t422, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  call void @finch.gen.emit(ptr %t408, { ptr, i64, i64 } %t427)
-  br label %endif5067
-else5066:
+inrange5344:
+  %t352 = extractvalue { ptr, i64, i64 } %t349, 0
+  %t353 = getelementptr inbounds %S.gen.Scope, ptr %t352, i64 %t348
+  %t354 = getelementptr inbounds %S.gen.Scope, ptr %t353, i32 0, i32 0
+  %t355 = load i64, ptr %a342
+  %t356 = load { ptr, i64, i64 }, ptr %t354
+  %t357 = extractvalue { ptr, i64, i64 } %t356, 1
+  %t358 = icmp uge i64 %t355, %t357
+  br i1 %t358, label %range5345, label %inrange5346
+range5345:
+  call void @finch_panic_index(ptr @.str.3407, i64 2618, i64 %t355, i64 %t357)
+  unreachable
+inrange5346:
+  %t359 = extractvalue { ptr, i64, i64 } %t356, 0
+  %t360 = getelementptr inbounds %S.gen.Var, ptr %t359, i64 %t355
+  %t361 = getelementptr inbounds %S.gen.Var, ptr %t360, i32 0, i32 0
+  %t362 = load { ptr, i64, i64 }, ptr %t361
+  %t363 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t362, ptr %a364
+  store { ptr, i64, i64 } %t363, ptr %a365
+  %t366 = call i32 @finch_str_eq(ptr %a364, ptr %a365)
+  %t367 = icmp ne i32 %t366, 0
+  br label %logic.from5347
+logic.from5347:
+  br i1 %t367, label %logic.rhs5348, label %logic.end5349
+logic.rhs5348:
+  %t368 = load ptr, ptr %a1
+  %t369 = icmp eq ptr %t368, null
+  br i1 %t369, label %panic5350, label %ok5351
+panic5350:
+  call void @finch_panic(ptr @.str.3408, i64 2618, ptr @.str.3409)
+  unreachable
+ok5351:
+  %t370 = getelementptr inbounds %S.gen.Gen, ptr %t368, i32 0, i32 43
+  %t371 = load i1, ptr %t370
+  br label %logic.from5352
+logic.from5352:
+  br i1 %t371, label %logic.rhs5353, label %logic.end5354
+logic.rhs5353:
+  %t372 = load ptr, ptr %a1
+  %t373 = icmp eq ptr %t372, null
+  br i1 %t373, label %panic5355, label %ok5356
+panic5355:
+  call void @finch_panic(ptr @.str.3410, i64 2618, ptr @.str.3411)
+  unreachable
+ok5356:
+  %t374 = getelementptr inbounds %S.gen.Gen, ptr %t372, i32 0, i32 10
+  %t375 = load i64, ptr %a324
+  %t376 = load { ptr, i64, i64 }, ptr %t374
+  %t377 = extractvalue { ptr, i64, i64 } %t376, 1
+  %t378 = icmp uge i64 %t375, %t377
+  br i1 %t378, label %range5357, label %inrange5358
+range5357:
+  call void @finch_panic_index(ptr @.str.3412, i64 2618, i64 %t375, i64 %t377)
+  unreachable
+inrange5358:
+  %t379 = extractvalue { ptr, i64, i64 } %t376, 0
+  %t380 = getelementptr inbounds %S.gen.Scope, ptr %t379, i64 %t375
+  %t381 = getelementptr inbounds %S.gen.Scope, ptr %t380, i32 0, i32 0
+  %t382 = load i64, ptr %a342
+  %t383 = load { ptr, i64, i64 }, ptr %t381
+  %t384 = extractvalue { ptr, i64, i64 } %t383, 1
+  %t385 = icmp uge i64 %t382, %t384
+  br i1 %t385, label %range5359, label %inrange5360
+range5359:
+  call void @finch_panic_index(ptr @.str.3413, i64 2618, i64 %t382, i64 %t384)
+  unreachable
+inrange5360:
+  %t386 = extractvalue { ptr, i64, i64 } %t383, 0
+  %t387 = getelementptr inbounds %S.gen.Var, ptr %t386, i64 %t382
+  %t388 = getelementptr inbounds %S.gen.Var, ptr %t387, i32 0, i32 4
+  %t389 = load i64, ptr %t388
+  %t390 = load ptr, ptr %a1
+  %t391 = icmp eq ptr %t390, null
+  br i1 %t391, label %panic5361, label %ok5362
+panic5361:
+  call void @finch_panic(ptr @.str.3414, i64 2618, ptr @.str.3415)
+  unreachable
+ok5362:
+  %t392 = getelementptr inbounds %S.gen.Gen, ptr %t390, i32 0, i32 44
+  %t393 = load i64, ptr %t392
+  %t394 = icmp sge i64 %t389, %t393
+  br label %logic.rend5363
+logic.rend5363:
+  br label %logic.end5354
+logic.end5354:
+  %t395 = phi i1 [ false, %logic.from5352 ], [ %t394, %logic.rend5363 ]
+  %t396 = xor i1 %t395, true
+  br label %logic.rend5364
+logic.rend5364:
+  br label %logic.end5349
+logic.end5349:
+  %t397 = phi i1 [ false, %logic.from5347 ], [ %t396, %logic.rend5364 ]
+  br i1 %t397, label %then5365, label %endif5367
+then5365:
+  %t398 = load i64, ptr %a342
+  store i64 %t398, ptr %a329
+  br label %endif5367
+endif5367:
+  br label %for.step5339
+for.step5339:
+  %t399 = load i64, ptr %a342
+  %t400 = add i64 %t399, 1
+  store i64 %t400, ptr %a342
+  br label %for.cond5337
+for.end5340:
+  %t401 = load i64, ptr %a329
+  %t402 = icmp slt i64 %t401, 0
+  br i1 %t402, label %then5368, label %endif5370
+then5368:
+  br label %while.cond5330
+endif5370:
+  %t403 = load ptr, ptr %a1
+  %t404 = icmp eq ptr %t403, null
+  br i1 %t404, label %panic5371, label %ok5372
+panic5371:
+  call void @finch_panic(ptr @.str.3416, i64 2625, ptr @.str.3417)
+  unreachable
+ok5372:
+  %t405 = getelementptr inbounds %S.gen.Gen, ptr %t403, i32 0, i32 10
+  %t406 = load i64, ptr %a324
+  %t407 = load { ptr, i64, i64 }, ptr %t405
+  %t408 = extractvalue { ptr, i64, i64 } %t407, 1
+  %t409 = icmp uge i64 %t406, %t408
+  br i1 %t409, label %range5373, label %inrange5374
+range5373:
+  call void @finch_panic_index(ptr @.str.3418, i64 2625, i64 %t406, i64 %t408)
+  unreachable
+inrange5374:
+  %t410 = extractvalue { ptr, i64, i64 } %t407, 0
+  %t411 = getelementptr inbounds %S.gen.Scope, ptr %t410, i64 %t406
+  %t412 = getelementptr inbounds %S.gen.Scope, ptr %t411, i32 0, i32 0
+  %t413 = load i64, ptr %a329
+  %t414 = load { ptr, i64, i64 }, ptr %t412
+  %t415 = extractvalue { ptr, i64, i64 } %t414, 1
+  %t416 = icmp uge i64 %t413, %t415
+  br i1 %t416, label %range5375, label %inrange5376
+range5375:
+  call void @finch_panic_index(ptr @.str.3419, i64 2625, i64 %t413, i64 %t415)
+  unreachable
+inrange5376:
+  %t417 = extractvalue { ptr, i64, i64 } %t414, 0
+  %t418 = getelementptr inbounds %S.gen.Var, ptr %t417, i64 %t413
+  %t419 = load %S.gen.Var, ptr %t418
+  store %S.gen.Var %t419, ptr %a420
+  call void @finch.copy.S_gen_Var(ptr %a421, ptr %a420)
+  %t422 = load %S.gen.Var, ptr %a421
+  store %S.gen.Var %t422, ptr %a423
+  %t424 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 5
+  %t425 = load i1, ptr %t424
+  br label %logic.from5377
+logic.from5377:
+  br i1 %t425, label %logic.rhs5378, label %logic.end5379
+logic.rhs5378:
+  %t426 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 1
+  %t427 = load %S.ast.Type, ptr %t426
   %t428 = load ptr, ptr %a1
-  %t429 = load ptr, ptr %a1
-  %t430 = load ptr, ptr %a1
-  %t431 = icmp eq ptr %t430, null
-  br i1 %t431, label %panic5076, label %ok5077
-panic5076:
-  call void @finch_panic(ptr @.str.3308, i64 2436, ptr @.str.3309)
+  %t429 = icmp eq ptr %t428, null
+  br i1 %t429, label %panic5380, label %ok5381
+panic5380:
+  call void @finch_panic(ptr @.str.3420, i64 2626, ptr @.str.3421)
   unreachable
-ok5077:
-  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 12
-  %t433 = getelementptr inbounds %S.gen.FnSig, ptr %t432, i32 0, i32 12
-  %t434 = load %S.ast.Type, ptr %t433
-  %t435 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t429, %S.ast.Type %t434)
-  store { ptr, i64, i64 } { ptr @.str.3307, i64 4, i64 0 }, ptr %a437
-  store { ptr, i64, i64 } %t435, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  store { ptr, i64, i64 } %t439, ptr %a441
-  store { ptr, i64, i64 } { ptr @.str.3310, i64 1, i64 0 }, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  %t444 = load { ptr, i64, i64 }, ptr %a299
-  store { ptr, i64, i64 } %t443, ptr %a446
-  store { ptr, i64, i64 } %t444, ptr %a447
-  call void @finch_str_concat(ptr %a445, ptr %a446, ptr %a447)
-  %t448 = load { ptr, i64, i64 }, ptr %a445
-  call void @finch.gen.emit(ptr %t428, { ptr, i64, i64 } %t448)
-  br label %endif5067
-endif5067:
-  %t449 = load ptr, ptr %a1
-  %t450 = icmp eq ptr %t449, null
-  br i1 %t450, label %panic5078, label %ok5079
-panic5078:
-  call void @finch_panic(ptr @.str.3311, i64 2438, ptr @.str.3312)
+ok5381:
+  %t430 = getelementptr inbounds %S.gen.Gen, ptr %t428, i32 0, i32 13
+  %t431 = getelementptr inbounds %S.gen.FnSig, ptr %t430, i32 0, i32 12
+  %t432 = load %S.ast.Type, ptr %t431
+  %t433 = call i1 @finch.ast.same(%S.ast.Type %t427, %S.ast.Type %t432)
+  br label %logic.rend5382
+logic.rend5382:
+  br label %logic.end5379
+logic.end5379:
+  %t434 = phi i1 [ false, %logic.from5377 ], [ %t433, %logic.rend5382 ]
+  br i1 %t434, label %then5383, label %endif5385
+then5383:
+  %t435 = load ptr, ptr %a1
+  %t436 = load ptr, ptr %a1
+  %t437 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 1
+  %t438 = load %S.ast.Type, ptr %t437
+  %t439 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t436, %S.ast.Type %t438)
+  %t440 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 2
+  %t441 = load { ptr, i64, i64 }, ptr %t440
+  %t442 = call { ptr, i64, i64 } @finch.gen.load(ptr %t435, { ptr, i64, i64 } %t439, { ptr, i64, i64 } %t441)
+  store { ptr, i64, i64 } %t439, ptr %a443
+  call void @finch_str_drop(ptr %a443)
+  store { ptr, i64, i64 } %t442, ptr %a444
+  %t445 = load ptr, ptr %a1
+  %t446 = icmp eq ptr %t445, null
+  br i1 %t446, label %panic5386, label %ok5387
+panic5386:
+  call void @finch_panic(ptr @.str.3422, i64 2628, ptr @.str.3423)
   unreachable
-ok5079:
-  %t451 = getelementptr inbounds %S.gen.Gen, ptr %t449, i32 0, i32 9
-  store i1 true, ptr %t451
+ok5387:
+  %t447 = getelementptr inbounds %S.gen.Gen, ptr %t445, i32 0, i32 10
+  %t448 = load i64, ptr %a324
+  %t449 = load { ptr, i64, i64 }, ptr %t447
+  %t450 = extractvalue { ptr, i64, i64 } %t449, 1
+  %t451 = icmp uge i64 %t448, %t450
+  br i1 %t451, label %range5388, label %inrange5389
+range5388:
+  call void @finch_panic_index(ptr @.str.3424, i64 2628, i64 %t448, i64 %t450)
+  unreachable
+inrange5389:
+  %t452 = extractvalue { ptr, i64, i64 } %t449, 0
+  %t453 = getelementptr inbounds %S.gen.Scope, ptr %t452, i64 %t448
+  %t454 = getelementptr inbounds %S.gen.Scope, ptr %t453, i32 0, i32 0
+  %t455 = load i64, ptr %a329
+  %t456 = load { ptr, i64, i64 }, ptr %t454
+  %t457 = extractvalue { ptr, i64, i64 } %t456, 1
+  %t458 = icmp uge i64 %t455, %t457
+  br i1 %t458, label %range5390, label %inrange5391
+range5390:
+  call void @finch_panic_index(ptr @.str.3425, i64 2628, i64 %t455, i64 %t457)
+  unreachable
+inrange5391:
+  %t459 = extractvalue { ptr, i64, i64 } %t456, 0
+  %t460 = getelementptr inbounds %S.gen.Var, ptr %t459, i64 %t455
+  %t461 = getelementptr inbounds %S.gen.Var, ptr %t460, i32 0, i32 6
+  store i1 true, ptr %t461
+  %t462 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t462, i64 0)
+  %t463 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t463, i64 0)
+  %t464 = load ptr, ptr %a1
+  %t465 = icmp eq ptr %t464, null
+  br i1 %t465, label %panic5392, label %ok5393
+panic5392:
+  call void @finch_panic(ptr @.str.3426, i64 2631, ptr @.str.3427)
+  unreachable
+ok5393:
+  %t466 = getelementptr inbounds %S.gen.Gen, ptr %t464, i32 0, i32 10
+  %t467 = load i64, ptr %a324
+  %t468 = load { ptr, i64, i64 }, ptr %t466
+  %t469 = extractvalue { ptr, i64, i64 } %t468, 1
+  %t470 = icmp uge i64 %t467, %t469
+  br i1 %t470, label %range5394, label %inrange5395
+range5394:
+  call void @finch_panic_index(ptr @.str.3428, i64 2631, i64 %t467, i64 %t469)
+  unreachable
+inrange5395:
+  %t471 = extractvalue { ptr, i64, i64 } %t468, 0
+  %t472 = getelementptr inbounds %S.gen.Scope, ptr %t471, i64 %t467
+  %t473 = getelementptr inbounds %S.gen.Scope, ptr %t472, i32 0, i32 0
+  %t474 = load i64, ptr %a329
+  %t475 = load { ptr, i64, i64 }, ptr %t473
+  %t476 = extractvalue { ptr, i64, i64 } %t475, 1
+  %t477 = icmp uge i64 %t474, %t476
+  br i1 %t477, label %range5396, label %inrange5397
+range5396:
+  call void @finch_panic_index(ptr @.str.3429, i64 2631, i64 %t474, i64 %t476)
+  unreachable
+inrange5397:
+  %t478 = extractvalue { ptr, i64, i64 } %t475, 0
+  %t479 = getelementptr inbounds %S.gen.Var, ptr %t478, i64 %t474
+  %t480 = getelementptr inbounds %S.gen.Var, ptr %t479, i32 0, i32 6
+  store i1 false, ptr %t480
+  %t481 = load ptr, ptr %a1
+  %t482 = load { ptr, i64, i64 }, ptr %a444
+  call void @finch.gen.finishReturn(ptr %t481, { ptr, i64, i64 } %t482)
+  call void @finch_str_drop(ptr %a444)
+  call void @finch.drop.S_gen_Var(ptr %a423)
+  call void @finch_str_drop(ptr %a318)
+  ret void
+endif5385:
+  call void @finch.drop.S_gen_Var(ptr %a423)
+  br label %while.end5332
+while.end5332:
+  call void @finch_str_drop(ptr %a318)
+  br label %endif5325
+endif5325:
+  %t483 = load ptr, ptr %a1
+  %t484 = load ptr, ptr %a1
+  %t485 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  %t487 = extractvalue { ptr, i64, i64 } %t486, 1
+  %t488 = icmp uge i64 0, %t487
+  br i1 %t488, label %range5398, label %inrange5399
+range5398:
+  call void @finch_panic_index(ptr @.str.3430, i64 2638, i64 0, i64 %t487)
+  unreachable
+inrange5399:
+  %t489 = extractvalue { ptr, i64, i64 } %t486, 0
+  %t490 = getelementptr inbounds %S.ast.Node, ptr %t489, i64 0
+  %t491 = load %S.ast.Node, ptr %t490
+  %t492 = load ptr, ptr %a1
+  %t493 = icmp eq ptr %t492, null
+  br i1 %t493, label %panic5400, label %ok5401
+panic5400:
+  call void @finch_panic(ptr @.str.3431, i64 2638, ptr @.str.3432)
+  unreachable
+ok5401:
+  %t494 = getelementptr inbounds %S.gen.Gen, ptr %t492, i32 0, i32 13
+  %t495 = getelementptr inbounds %S.gen.FnSig, ptr %t494, i32 0, i32 12
+  %t496 = load %S.ast.Type, ptr %t495
+  %t497 = call %S.gen.Val @finch.gen.exprWant(ptr %t484, %S.ast.Node %t491, %S.ast.Type %t496)
+  %t498 = load ptr, ptr %a1
+  %t499 = icmp eq ptr %t498, null
+  br i1 %t499, label %panic5402, label %ok5403
+panic5402:
+  call void @finch_panic(ptr @.str.3433, i64 2638, ptr @.str.3434)
+  unreachable
+ok5403:
+  %t500 = getelementptr inbounds %S.gen.Gen, ptr %t498, i32 0, i32 13
+  %t501 = getelementptr inbounds %S.gen.FnSig, ptr %t500, i32 0, i32 12
+  %t502 = load %S.ast.Type, ptr %t501
+  %t503 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t504 = load { ptr, i64, i64 }, ptr %t503
+  %t505 = extractvalue { ptr, i64, i64 } %t504, 1
+  %t506 = icmp uge i64 0, %t505
+  br i1 %t506, label %range5404, label %inrange5405
+range5404:
+  call void @finch_panic_index(ptr @.str.3435, i64 2638, i64 0, i64 %t505)
+  unreachable
+inrange5405:
+  %t507 = extractvalue { ptr, i64, i64 } %t504, 0
+  %t508 = getelementptr inbounds %S.ast.Node, ptr %t507, i64 0
+  %t509 = load %S.ast.Node, ptr %t508
+  %t510 = call %S.gen.Val @finch.gen.coerce(ptr %t483, %S.gen.Val %t497, %S.ast.Type %t502, %S.ast.Node %t509, { ptr, i64, i64 } { ptr @.str.3436, i64 18, i64 0 })
+  store %S.gen.Val %t497, ptr %a511
+  call void @finch.drop.S_gen_Val(ptr %a511)
+  store %S.gen.Val %t510, ptr %a512
+  %t513 = load ptr, ptr %a1
+  %t514 = load %S.gen.Val, ptr %a512
+  %t515 = call { ptr, i64, i64 } @finch.gen.own(ptr %t513, %S.gen.Val %t514)
+  store { ptr, i64, i64 } %t515, ptr %a516
+  %t517 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t517, i64 0)
+  %t518 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t518, i64 0)
+  %t519 = load ptr, ptr %a1
+  %t520 = load { ptr, i64, i64 }, ptr %a516
+  call void @finch.gen.finishReturn(ptr %t519, { ptr, i64, i64 } %t520)
+  call void @finch_str_drop(ptr %a516)
+  call void @finch.drop.S_gen_Val(ptr %a512)
+  ret void
+}
+
+define internal void @finch.gen.finishReturn(ptr %p0, { ptr, i64, i64 } %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  %t3 = load ptr, ptr %a1
+  %t4 = icmp eq ptr %t3, null
+  br i1 %t4, label %panic5406, label %ok5407
+panic5406:
+  call void @finch_panic(ptr @.str.3437, i64 2646, ptr @.str.3438)
+  unreachable
+ok5407:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 13
+  %t6 = getelementptr inbounds %S.gen.FnSig, ptr %t5, i32 0, i32 9
+  %t7 = load i1, ptr %t6
+  br i1 %t7, label %then5408, label %else5409
+then5408:
+  %t8 = load ptr, ptr %a1
+  %t9 = load ptr, ptr %a1
+  %t10 = load ptr, ptr %a1
+  %t11 = icmp eq ptr %t10, null
+  br i1 %t11, label %panic5411, label %ok5412
+panic5411:
+  call void @finch_panic(ptr @.str.3440, i64 2647, ptr @.str.3441)
+  unreachable
+ok5412:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 13
+  %t13 = load %S.gen.FnSig, ptr %t12
+  %t14 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t9, %S.gen.FnSig %t13)
+  store { ptr, i64, i64 } { ptr @.str.3439, i64 12, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } %t14, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  store { ptr, i64, i64 } %t19, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.3442, i64 28, i64 0 }, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  %t25 = call { ptr, i64, i64 } @finch.gen.op(ptr %t8, { ptr, i64, i64 } %t24)
+  store { ptr, i64, i64 } %t24, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  store { ptr, i64, i64 } %t25, ptr %a27
+  %t28 = load ptr, ptr %a1
+  %t29 = load ptr, ptr %a1
+  %t30 = load ptr, ptr %a1
+  %t31 = icmp eq ptr %t30, null
+  br i1 %t31, label %panic5413, label %ok5414
+panic5413:
+  call void @finch_panic(ptr @.str.3444, i64 2648, ptr @.str.3445)
+  unreachable
+ok5414:
+  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 13
+  %t33 = load %S.gen.FnSig, ptr %t32
+  %t34 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t29, %S.gen.FnSig %t33)
+  store { ptr, i64, i64 } { ptr @.str.3443, i64 12, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.3446, i64 1, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t44, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t44, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3447, i64 2, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load ptr, ptr %a1
+  %t57 = load ptr, ptr %a1
+  %t58 = icmp eq ptr %t57, null
+  br i1 %t58, label %panic5415, label %ok5416
+panic5415:
+  call void @finch_panic(ptr @.str.3448, i64 2648, ptr @.str.3449)
+  unreachable
+ok5416:
+  %t59 = getelementptr inbounds %S.gen.Gen, ptr %t57, i32 0, i32 13
+  %t60 = getelementptr inbounds %S.gen.FnSig, ptr %t59, i32 0, i32 12
+  %t61 = load %S.ast.Type, ptr %t60
+  %t62 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t56, %S.ast.Type %t61)
+  store { ptr, i64, i64 } %t55, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t55, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  store { ptr, i64, i64 } %t62, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t68, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.3450, i64 1, i64 0 }, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  %t74 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t73, ptr %a76
+  store { ptr, i64, i64 } %t74, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t73, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3451, i64 3, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  %t85 = call { ptr, i64, i64 } @finch.gen.op(ptr %t28, { ptr, i64, i64 } %t84)
+  store { ptr, i64, i64 } %t84, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  store { ptr, i64, i64 } %t85, ptr %a87
+  %t88 = load ptr, ptr %a1
+  %t89 = load ptr, ptr %a1
+  %t90 = load ptr, ptr %a1
+  %t91 = icmp eq ptr %t90, null
+  br i1 %t91, label %panic5417, label %ok5418
+panic5417:
+  call void @finch_panic(ptr @.str.3453, i64 2649, ptr @.str.3454)
+  unreachable
+ok5418:
+  %t92 = getelementptr inbounds %S.gen.Gen, ptr %t90, i32 0, i32 13
+  %t93 = load %S.gen.FnSig, ptr %t92
+  %t94 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t89, %S.gen.FnSig %t93)
+  store { ptr, i64, i64 } { ptr @.str.3452, i64 4, i64 0 }, ptr %a96
+  store { ptr, i64, i64 } %t94, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t94, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  %t99 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t99, ptr %a101
+  store { ptr, i64, i64 } { ptr @.str.3455, i64 1, i64 0 }, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t99, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  %t105 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t104, ptr %a107
+  store { ptr, i64, i64 } %t105, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t104, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  call void @finch.gen.emit(ptr %t88, { ptr, i64, i64 } %t110)
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  call void @finch_str_drop(ptr %a87)
+  call void @finch_str_drop(ptr %a27)
+  br label %endif5410
+else5409:
+  %t112 = load ptr, ptr %a1
+  %t113 = load ptr, ptr %a1
+  %t114 = load ptr, ptr %a1
+  %t115 = icmp eq ptr %t114, null
+  br i1 %t115, label %panic5419, label %ok5420
+panic5419:
+  call void @finch_panic(ptr @.str.3457, i64 2651, ptr @.str.3458)
+  unreachable
+ok5420:
+  %t116 = getelementptr inbounds %S.gen.Gen, ptr %t114, i32 0, i32 13
+  %t117 = getelementptr inbounds %S.gen.FnSig, ptr %t116, i32 0, i32 12
+  %t118 = load %S.ast.Type, ptr %t117
+  %t119 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t113, %S.ast.Type %t118)
+  store { ptr, i64, i64 } { ptr @.str.3456, i64 4, i64 0 }, ptr %a121
+  store { ptr, i64, i64 } %t119, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t124, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.3459, i64 1, i64 0 }, ptr %a127
+  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
+  store { ptr, i64, i64 } %t124, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  %t129 = load { ptr, i64, i64 }, ptr %a125
+  %t130 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t129, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t129, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  call void @finch.gen.emit(ptr %t112, { ptr, i64, i64 } %t135)
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  br label %endif5410
+endif5410:
+  %t137 = load ptr, ptr %a1
+  %t138 = icmp eq ptr %t137, null
+  br i1 %t138, label %panic5421, label %ok5422
+panic5421:
+  call void @finch_panic(ptr @.str.3460, i64 2653, ptr @.str.3461)
+  unreachable
+ok5422:
+  %t139 = getelementptr inbounds %S.gen.Gen, ptr %t137, i32 0, i32 9
+  store i1 true, ptr %t139
   ret void
 }
 
@@ -46222,15 +54519,20 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -46238,46 +54540,56 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %t4
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 0, %t6
-  br i1 %t7, label %range5080, label %inrange5081
-range5080:
-  call void @finch_panic_index(ptr @.str.3314, i64 2450, i64 0, i64 %t6)
+  br i1 %t7, label %range5423, label %inrange5424
+range5423:
+  call void @finch_panic_index(ptr @.str.3463, i64 2665, i64 0, i64 %t6)
   unreachable
-inrange5081:
+inrange5424:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds %S.ast.Type, ptr %t8, i64 0
   %t10 = load %S.ast.Type, ptr %t9
   %t11 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t3, %S.ast.Type %t10)
-  store { ptr, i64, i64 } { ptr @.str.3313, i64 7, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.3462, i64 7, i64 0 }, ptr %a13
   store { ptr, i64, i64 } %t11, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t15, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.3315, i64 2, i64 0 }, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  %t20 = load ptr, ptr %a1
-  %t21 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t22 = load { ptr, i64, i64 }, ptr %t21
-  %t23 = extractvalue { ptr, i64, i64 } %t22, 1
-  %t24 = icmp uge i64 1, %t23
-  br i1 %t24, label %range5082, label %inrange5083
-range5082:
-  call void @finch_panic_index(ptr @.str.3316, i64 2450, i64 1, i64 %t23)
+  store { ptr, i64, i64 } %t11, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t16, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3464, i64 2, i64 0 }, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  %t22 = load ptr, ptr %a1
+  %t23 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t24 = load { ptr, i64, i64 }, ptr %t23
+  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
+  %t26 = icmp uge i64 1, %t25
+  br i1 %t26, label %range5425, label %inrange5426
+range5425:
+  call void @finch_panic_index(ptr @.str.3465, i64 2665, i64 1, i64 %t25)
   unreachable
-inrange5083:
-  %t25 = extractvalue { ptr, i64, i64 } %t22, 0
-  %t26 = getelementptr inbounds %S.ast.Type, ptr %t25, i64 1
-  %t27 = load %S.ast.Type, ptr %t26
-  %t28 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t20, %S.ast.Type %t27)
-  store { ptr, i64, i64 } %t19, ptr %a30
-  store { ptr, i64, i64 } %t28, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3317, i64 2, i64 0 }, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  ret { ptr, i64, i64 } %t36
+inrange5426:
+  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
+  %t28 = getelementptr inbounds %S.ast.Type, ptr %t27, i64 1
+  %t29 = load %S.ast.Type, ptr %t28
+  %t30 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t22, %S.ast.Type %t29)
+  store { ptr, i64, i64 } %t21, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t21, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  store { ptr, i64, i64 } %t30, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t36, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.3466, i64 2, i64 0 }, ptr %a39
+  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
+  store { ptr, i64, i64 } %t36, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  ret { ptr, i64, i64 } %t41
 }
 
 define internal { ptr, i64, i64 } @finch.gen.entrySize(ptr %p0, %S.ast.Type %p1) {
@@ -46287,23 +54599,29 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load %S.ast.Type, ptr %a2
   %t5 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t3, %S.ast.Type %t4)
-  store { ptr, i64, i64 } { ptr @.str.3318, i64 29, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3467, i64 29, i64 0 }, ptr %a7
   store { ptr, i64, i64 } %t5, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
-  %t9 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t9, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.3319, i64 26, i64 0 }, ptr %a12
-  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  ret { ptr, i64, i64 } %t13
+  store { ptr, i64, i64 } %t5, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  %t10 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t10, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.3468, i64 26, i64 0 }, ptr %a13
+  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  ret { ptr, i64, i64 } %t15
 }
 
 define internal { ptr, i64, i64 } @finch.gen.entryAt(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, { ptr, i64, i64 } %p3) {
@@ -46315,31 +54633,43 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -46349,54 +54679,79 @@ entry:
   %t7 = load ptr, ptr %a1
   %t8 = load %S.ast.Type, ptr %a3
   %t9 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t7, %S.ast.Type %t8)
-  store { ptr, i64, i64 } { ptr @.str.3321, i64 23, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.3470, i64 23, i64 0 }, ptr %a11
   store { ptr, i64, i64 } %t9, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t13, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.3322, i64 6, i64 0 }, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  %t18 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t17, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a21
-  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t22, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.3323, i64 14, i64 0 }, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  %t27 = call { ptr, i64, i64 } @finch.gen.op(ptr %t6, { ptr, i64, i64 } %t26)
-  %t28 = call { ptr, i64, i64 } @finch.gen.load(ptr %t5, { ptr, i64, i64 } { ptr @.str.3320, i64 3, i64 0 }, { ptr, i64, i64 } %t27)
-  store { ptr, i64, i64 } %t28, ptr %a29
-  %t30 = load ptr, ptr %a1
-  %t31 = load ptr, ptr %a1
-  %t32 = load %S.ast.Type, ptr %a3
-  %t33 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t31, %S.ast.Type %t32)
-  store { ptr, i64, i64 } { ptr @.str.3324, i64 23, i64 0 }, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.3325, i64 6, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t41, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.3326, i64 6, i64 0 }, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  %t51 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t9, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t14, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3471, i64 6, i64 0 }, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  %t20 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t19, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  store { ptr, i64, i64 } %t19, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.3472, i64 14, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  %t31 = call { ptr, i64, i64 } @finch.gen.op(ptr %t6, { ptr, i64, i64 } %t30)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = call { ptr, i64, i64 } @finch.gen.load(ptr %t5, { ptr, i64, i64 } { ptr @.str.3469, i64 3, i64 0 }, { ptr, i64, i64 } %t31)
+  store { ptr, i64, i64 } %t31, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  store { ptr, i64, i64 } %t33, ptr %a35
+  %t36 = load ptr, ptr %a1
+  %t37 = load ptr, ptr %a1
+  %t38 = load %S.ast.Type, ptr %a3
+  %t39 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t37, %S.ast.Type %t38)
+  store { ptr, i64, i64 } { ptr @.str.3473, i64 23, i64 0 }, ptr %a41
+  store { ptr, i64, i64 } %t39, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t44, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.3474, i64 6, i64 0 }, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  store { ptr, i64, i64 } %t44, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  %t50 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t49, ptr %a52
   store { ptr, i64, i64 } %t50, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  %t56 = call { ptr, i64, i64 } @finch.gen.op(ptr %t30, { ptr, i64, i64 } %t55)
-  ret { ptr, i64, i64 } %t56
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.3475, i64 6, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t60, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = call { ptr, i64, i64 } @finch.gen.op(ptr %t36, { ptr, i64, i64 } %t66)
+  store { ptr, i64, i64 } %t66, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  call void @finch_str_drop(ptr %a35)
+  ret { ptr, i64, i64 } %t67
 }
 
 define internal { ptr, i64, i64 } @finch.gen.entryField(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, i64 %p3) {
@@ -46408,19 +54763,26 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -46429,32 +54791,46 @@ entry:
   %t6 = load ptr, ptr %a1
   %t7 = load %S.ast.Type, ptr %a3
   %t8 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t6, %S.ast.Type %t7)
-  store { ptr, i64, i64 } { ptr @.str.3327, i64 23, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.3476, i64 23, i64 0 }, ptr %a10
   store { ptr, i64, i64 } %t8, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
-  %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3328, i64 6, i64 0 }, ptr %a15
-  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  %t17 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t16, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3329, i64 13, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a27, i64 %t26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t25, ptr %a30
-  store { ptr, i64, i64 } %t28, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  %t33 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t32)
-  ret { ptr, i64, i64 } %t33
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  %t13 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t13, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.3477, i64 6, i64 0 }, ptr %a16
+  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  %t19 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t18, ptr %a21
+  store { ptr, i64, i64 } %t19, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.3478, i64 13, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t29, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  %t39 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t38)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  ret { ptr, i64, i64 } %t39
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mapArgs(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3) {
@@ -46467,116 +54843,151 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Type %p3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.3330, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.3479, i64 1, i64 0 }, ptr %a5
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %t6
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 0, %t8
-  br i1 %t9, label %range5084, label %inrange5085
-range5084:
-  call void @finch_panic_index(ptr @.str.3331, i64 2470, i64 0, i64 %t8)
+  br i1 %t9, label %range5427, label %inrange5428
+range5427:
+  call void @finch_panic_index(ptr @.str.3480, i64 2685, i64 0, i64 %t8)
   unreachable
-inrange5085:
+inrange5428:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.ast.Type, ptr %t10, i64 0
   %t12 = getelementptr inbounds %S.ast.Type, ptr %t11, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3332, i64 3, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.3481, i64 3, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br i1 %t17, label %then5086, label %endif5088
-then5086:
-  store { ptr, i64, i64 } { ptr @.str.3333, i64 1, i64 0 }, ptr %a5
-  br label %endif5088
-endif5088:
-  %t18 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.3334, i64 4, i64 0 }, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a21
-  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t22, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.3335, i64 6, i64 0 }, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  %t27 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t26, ptr %a29
-  store { ptr, i64, i64 } %t27, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.3336, i64 6, i64 0 }, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Type, ptr %a4
-  %t38 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t36, %S.ast.Type %t37)
-  store { ptr, i64, i64 } %t35, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.3337, i64 6, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  %t47 = load ptr, ptr %a1
-  %t48 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  %t50 = extractvalue { ptr, i64, i64 } %t49, 1
-  %t51 = icmp uge i64 0, %t50
-  br i1 %t51, label %range5089, label %inrange5090
-range5089:
-  call void @finch_panic_index(ptr @.str.3338, i64 2473, i64 0, i64 %t50)
+  br i1 %t17, label %then5429, label %endif5431
+then5429:
+  %t18 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.3482, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t18, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  br label %endif5431
+endif5431:
+  %t20 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.3483, i64 4, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.3484, i64 6, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t29, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.3485, i64 6, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load ptr, ptr %a1
+  %t42 = load %S.ast.Type, ptr %a4
+  %t43 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t41, %S.ast.Type %t42)
+  store { ptr, i64, i64 } %t40, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  store { ptr, i64, i64 } %t40, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  store { ptr, i64, i64 } %t43, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.3486, i64 6, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  %t55 = load ptr, ptr %a1
+  %t56 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  %t58 = extractvalue { ptr, i64, i64 } %t57, 1
+  %t59 = icmp uge i64 0, %t58
+  br i1 %t59, label %range5432, label %inrange5433
+range5432:
+  call void @finch_panic_index(ptr @.str.3487, i64 2688, i64 0, i64 %t58)
   unreachable
-inrange5090:
-  %t52 = extractvalue { ptr, i64, i64 } %t49, 0
-  %t53 = getelementptr inbounds %S.ast.Type, ptr %t52, i64 0
-  %t54 = load %S.ast.Type, ptr %t53
-  %t55 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t47, %S.ast.Type %t54)
-  store { ptr, i64, i64 } %t46, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.3339, i64 6, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = load { ptr, i64, i64 }, ptr %a5
+inrange5433:
+  %t60 = extractvalue { ptr, i64, i64 } %t57, 0
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i64 0
+  %t62 = load %S.ast.Type, ptr %t61
+  %t63 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t55, %S.ast.Type %t62)
+  store { ptr, i64, i64 } %t54, ptr %a65
   store { ptr, i64, i64 } %t63, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  ret { ptr, i64, i64 } %t68
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t54, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.3488, i64 6, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t74, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  call void @finch_str_drop(ptr %a5)
+  ret { ptr, i64, i64 } %t80
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mapFind(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3) {
@@ -46588,9 +54999,12 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -46601,16 +55015,22 @@ entry:
   %t8 = load { ptr, i64, i64 }, ptr %a3
   %t9 = load %S.ast.Type, ptr %a4
   %t10 = call { ptr, i64, i64 } @finch.gen.mapArgs(ptr %t6, { ptr, i64, i64 } %t7, { ptr, i64, i64 } %t8, %S.ast.Type %t9)
-  store { ptr, i64, i64 } { ptr @.str.3340, i64 25, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.3489, i64 25, i64 0 }, ptr %a12
   store { ptr, i64, i64 } %t10, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3341, i64 1, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  %t19 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t18)
-  ret { ptr, i64, i64 } %t19
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t15, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.3490, i64 1, i64 0 }, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  %t21 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t20)
+  store { ptr, i64, i64 } %t20, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t21
 }
 
 define internal { ptr, i64, i64 } @finch.gen.defaultVal(ptr %p0, %S.ast.Type %p1, %S.ast.Node %p2) {
@@ -46624,29 +55044,30 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.3342, i64 6, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3491, i64 6, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.from5091
-logic.from5091:
-  br i1 %t9, label %logic.rhs5092, label %logic.end5093
-logic.rhs5092:
+  br label %logic.from5434
+logic.from5434:
+  br i1 %t9, label %logic.rhs5435, label %logic.end5436
+logic.rhs5435:
   %t10 = load ptr, ptr %a1
   %t11 = load %S.ast.Type, ptr %a2
   %t12 = call i1 @finch.gen.hasDefaults(ptr %t10, %S.ast.Type %t11)
-  br label %logic.rend5094
-logic.rend5094:
-  br label %logic.end5093
-logic.end5093:
-  %t13 = phi i1 [ false, %logic.from5091 ], [ %t12, %logic.rend5094 ]
-  br i1 %t13, label %then5095, label %endif5097
-then5095:
+  br label %logic.rend5437
+logic.rend5437:
+  br label %logic.end5436
+logic.end5436:
+  %t13 = phi i1 [ false, %logic.from5434 ], [ %t12, %logic.rend5437 ]
+  br i1 %t13, label %then5438, label %endif5440
+then5438:
   store { ptr, i64, i64 } zeroinitializer, ptr %a14
   store { ptr, i64, i64 } zeroinitializer, ptr %a15
   %t16 = load ptr, ptr %a1
@@ -46664,11 +55085,15 @@ then5095:
   store { ptr, i64, i64 } %t27, ptr %a28
   call void @finch_str_copy(ptr %a29, ptr %a28)
   %t30 = load { ptr, i64, i64 }, ptr %a29
+  store %S.gen.Val %t26, ptr %a31
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.arr_str(ptr %a15)
+  call void @finch.drop.arr_S_ast_Node(ptr %a14)
   ret { ptr, i64, i64 } %t30
-endif5097:
-  %t31 = load %S.ast.Type, ptr %a2
-  %t32 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t31)
-  ret { ptr, i64, i64 } %t32
+endif5440:
+  %t32 = load %S.ast.Type, ptr %a2
+  %t33 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t32)
+  ret { ptr, i64, i64 } %t33
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mapSlot(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.gen.Val %p3, i1 %p4, %S.ast.Node %p5) {
@@ -46684,29 +55109,41 @@ entry:
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca %S.ast.Type, align 16
-  %a115 = alloca %S.ast.Type, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.ast.Type, align 16
+  %a130 = alloca %S.gen.Val, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -46718,158 +55155,188 @@ entry:
   %t9 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t7, %S.gen.Val %t8)
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t11, { ptr, i64, i64 } { ptr @.str.3343, i64 3, i64 0 })
+  %t12 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t11, { ptr, i64, i64 } { ptr @.str.3492, i64 3, i64 0 })
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = load ptr, ptr %a1
   %t15 = load { ptr, i64, i64 }, ptr %a13
-  call void @finch.gen.store(ptr %t14, { ptr, i64, i64 } { ptr @.str.3344, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3345, i64 1, i64 0 }, { ptr, i64, i64 } %t15)
+  call void @finch.gen.store(ptr %t14, { ptr, i64, i64 } { ptr @.str.3493, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3494, i64 1, i64 0 }, { ptr, i64, i64 } %t15)
   %t16 = load ptr, ptr %a1
   %t17 = load ptr, ptr %a1
   %t18 = load { ptr, i64, i64 }, ptr %a2
   %t19 = load { ptr, i64, i64 }, ptr %a10
   %t20 = load %S.ast.Type, ptr %a3
   %t21 = call { ptr, i64, i64 } @finch.gen.mapArgs(ptr %t17, { ptr, i64, i64 } %t18, { ptr, i64, i64 } %t19, %S.ast.Type %t20)
-  store { ptr, i64, i64 } { ptr @.str.3346, i64 25, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3495, i64 25, i64 0 }, ptr %a23
   store { ptr, i64, i64 } %t21, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.3347, i64 6, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t29, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.3348, i64 1, i64 0 }, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  %t39 = call { ptr, i64, i64 } @finch.gen.op(ptr %t16, { ptr, i64, i64 } %t38)
-  store { ptr, i64, i64 } %t39, ptr %a40
-  %t41 = load ptr, ptr %a1
-  %t42 = load { ptr, i64, i64 }, ptr %a2
-  %t43 = load %S.ast.Type, ptr %a3
-  %t44 = load { ptr, i64, i64 }, ptr %a40
-  %t45 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t41, { ptr, i64, i64 } %t42, %S.ast.Type %t43, { ptr, i64, i64 } %t44)
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t47 = load ptr, ptr %a1
-  %t48 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t47, { ptr, i64, i64 } { ptr @.str.3349, i64 7, i64 0 })
-  store { ptr, i64, i64 } %t48, ptr %a49
-  %t50 = load ptr, ptr %a1
-  %t51 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t50, { ptr, i64, i64 } { ptr @.str.3350, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t51, ptr %a52
-  %t53 = load ptr, ptr %a1
-  %t54 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.3496, i64 6, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t31, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t31, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.3497, i64 1, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  %t43 = call { ptr, i64, i64 } @finch.gen.op(ptr %t16, { ptr, i64, i64 } %t42)
+  store { ptr, i64, i64 } %t42, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  store { ptr, i64, i64 } %t43, ptr %a45
+  %t46 = load ptr, ptr %a1
+  %t47 = load { ptr, i64, i64 }, ptr %a2
+  %t48 = load %S.ast.Type, ptr %a3
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  %t50 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t46, { ptr, i64, i64 } %t47, %S.ast.Type %t48, { ptr, i64, i64 } %t49)
+  store { ptr, i64, i64 } %t50, ptr %a51
+  %t52 = load ptr, ptr %a1
+  %t53 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t52, { ptr, i64, i64 } { ptr @.str.3498, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t53, ptr %a54
   %t55 = load ptr, ptr %a1
-  %t56 = load { ptr, i64, i64 }, ptr %a13
-  %t57 = call { ptr, i64, i64 } @finch.gen.load(ptr %t55, { ptr, i64, i64 } { ptr @.str.3352, i64 3, i64 0 }, { ptr, i64, i64 } %t56)
-  store { ptr, i64, i64 } { ptr @.str.3351, i64 12, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t61, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.3353, i64 3, i64 0 }, ptr %a64
-  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  %t66 = call { ptr, i64, i64 } @finch.gen.op(ptr %t54, { ptr, i64, i64 } %t65)
-  %t67 = load { ptr, i64, i64 }, ptr %a49
-  %t68 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.condBr(ptr %t53, { ptr, i64, i64 } %t66, { ptr, i64, i64 } %t67, { ptr, i64, i64 } %t68)
-  %t69 = load ptr, ptr %a1
-  %t70 = load { ptr, i64, i64 }, ptr %a49
-  call void @finch.gen.label(ptr %t69, { ptr, i64, i64 } %t70)
-  %t71 = load ptr, ptr %a1
-  %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a46
-  %t74 = load %S.ast.Type, ptr %a3
-  %t75 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t72, { ptr, i64, i64 } %t73, %S.ast.Type %t74, i64 1)
-  %t76 = load { ptr, i64, i64 }, ptr %a10
-  %t77 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t78 = load { ptr, i64, i64 }, ptr %t77
-  %t79 = extractvalue { ptr, i64, i64 } %t78, 1
-  %t80 = icmp uge i64 0, %t79
-  br i1 %t80, label %range5098, label %inrange5099
-range5098:
-  call void @finch_panic_index(ptr @.str.3354, i64 2501, i64 0, i64 %t79)
+  %t56 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t55, { ptr, i64, i64 } { ptr @.str.3499, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t56, ptr %a57
+  %t58 = load ptr, ptr %a1
+  %t59 = load ptr, ptr %a1
+  %t60 = load ptr, ptr %a1
+  %t61 = load { ptr, i64, i64 }, ptr %a13
+  %t62 = call { ptr, i64, i64 } @finch.gen.load(ptr %t60, { ptr, i64, i64 } { ptr @.str.3501, i64 3, i64 0 }, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } { ptr @.str.3500, i64 12, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t67, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.3502, i64 3, i64 0 }, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  %t73 = call { ptr, i64, i64 } @finch.gen.op(ptr %t59, { ptr, i64, i64 } %t72)
+  store { ptr, i64, i64 } %t72, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a54
+  %t76 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.gen.condBr(ptr %t58, { ptr, i64, i64 } %t73, { ptr, i64, i64 } %t75, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load ptr, ptr %a1
+  %t79 = load { ptr, i64, i64 }, ptr %a54
+  call void @finch.gen.label(ptr %t78, { ptr, i64, i64 } %t79)
+  %t80 = load ptr, ptr %a1
+  %t81 = load ptr, ptr %a1
+  %t82 = load { ptr, i64, i64 }, ptr %a51
+  %t83 = load %S.ast.Type, ptr %a3
+  %t84 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t81, { ptr, i64, i64 } %t82, %S.ast.Type %t83, i64 1)
+  %t85 = load { ptr, i64, i64 }, ptr %a10
+  %t86 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
+  %t89 = icmp uge i64 0, %t88
+  br i1 %t89, label %range5441, label %inrange5442
+range5441:
+  call void @finch_panic_index(ptr @.str.3503, i64 2716, i64 0, i64 %t88)
   unreachable
-inrange5099:
-  %t81 = extractvalue { ptr, i64, i64 } %t78, 0
-  %t82 = getelementptr inbounds %S.ast.Type, ptr %t81, i64 0
-  %t83 = load %S.ast.Type, ptr %t82
-  call void @finch.gen.copyAt(ptr %t71, { ptr, i64, i64 } %t75, { ptr, i64, i64 } %t76, %S.ast.Type %t83)
-  %t84 = load i1, ptr %a5
-  br i1 %t84, label %then5100, label %endif5102
-then5100:
-  %t85 = load ptr, ptr %a1
-  %t86 = load ptr, ptr %a1
-  %t87 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t88 = load { ptr, i64, i64 }, ptr %t87
-  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
-  %t90 = icmp uge i64 1, %t89
-  br i1 %t90, label %range5103, label %inrange5104
-range5103:
-  call void @finch_panic_index(ptr @.str.3355, i64 2503, i64 1, i64 %t89)
-  unreachable
-inrange5104:
-  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
-  %t92 = getelementptr inbounds %S.ast.Type, ptr %t91, i64 1
-  %t93 = load %S.ast.Type, ptr %t92
-  %t94 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t86, %S.ast.Type %t93)
+inrange5442:
+  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %t90, i64 0
+  %t92 = load %S.ast.Type, ptr %t91
+  call void @finch.gen.copyAt(ptr %t80, { ptr, i64, i64 } %t84, { ptr, i64, i64 } %t85, %S.ast.Type %t92)
+  store { ptr, i64, i64 } %t84, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load i1, ptr %a5
+  br i1 %t94, label %then5443, label %endif5445
+then5443:
   %t95 = load ptr, ptr %a1
   %t96 = load ptr, ptr %a1
   %t97 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t98 = load { ptr, i64, i64 }, ptr %t97
   %t99 = extractvalue { ptr, i64, i64 } %t98, 1
   %t100 = icmp uge i64 1, %t99
-  br i1 %t100, label %range5105, label %inrange5106
-range5105:
-  call void @finch_panic_index(ptr @.str.3356, i64 2503, i64 1, i64 %t99)
+  br i1 %t100, label %range5446, label %inrange5447
+range5446:
+  call void @finch_panic_index(ptr @.str.3504, i64 2718, i64 1, i64 %t99)
   unreachable
-inrange5106:
+inrange5447:
   %t101 = extractvalue { ptr, i64, i64 } %t98, 0
   %t102 = getelementptr inbounds %S.ast.Type, ptr %t101, i64 1
   %t103 = load %S.ast.Type, ptr %t102
-  %t104 = load %S.ast.Node, ptr %a6
-  %t105 = call { ptr, i64, i64 } @finch.gen.defaultVal(ptr %t96, %S.ast.Type %t103, %S.ast.Node %t104)
-  %t106 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t105, 0
+  %t104 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t96, %S.ast.Type %t103)
+  %t105 = load ptr, ptr %a1
+  %t106 = load ptr, ptr %a1
   %t107 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t108 = load { ptr, i64, i64 }, ptr %t107
   %t109 = extractvalue { ptr, i64, i64 } %t108, 1
   %t110 = icmp uge i64 1, %t109
-  br i1 %t110, label %range5107, label %inrange5108
-range5107:
-  call void @finch_panic_index(ptr @.str.3357, i64 2503, i64 1, i64 %t109)
+  br i1 %t110, label %range5448, label %inrange5449
+range5448:
+  call void @finch_panic_index(ptr @.str.3505, i64 2718, i64 1, i64 %t109)
   unreachable
-inrange5108:
+inrange5449:
   %t111 = extractvalue { ptr, i64, i64 } %t108, 0
   %t112 = getelementptr inbounds %S.ast.Type, ptr %t111, i64 1
   %t113 = load %S.ast.Type, ptr %t112
-  store %S.ast.Type %t113, ptr %a114
-  call void @finch.copy.S_ast_Type(ptr %a115, ptr %a114)
-  %t116 = load %S.ast.Type, ptr %a115
-  %t117 = insertvalue %S.gen.Val %t106, %S.ast.Type %t116, 1
-  %t118 = insertvalue %S.gen.Val %t117, i1 true, 2
-  %t119 = call { ptr, i64, i64 } @finch.gen.own(ptr %t95, %S.gen.Val %t118)
-  %t120 = load ptr, ptr %a1
-  %t121 = load { ptr, i64, i64 }, ptr %a46
-  %t122 = load %S.ast.Type, ptr %a3
-  %t123 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t120, { ptr, i64, i64 } %t121, %S.ast.Type %t122, i64 2)
-  call void @finch.gen.store(ptr %t85, { ptr, i64, i64 } %t94, { ptr, i64, i64 } %t119, { ptr, i64, i64 } %t123)
-  br label %endif5102
-endif5102:
-  %t124 = load ptr, ptr %a1
-  %t125 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.br(ptr %t124, { ptr, i64, i64 } %t125)
-  %t126 = load ptr, ptr %a1
-  %t127 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.label(ptr %t126, { ptr, i64, i64 } %t127)
-  %t128 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t128, ptr %a129
-  call void @finch_str_copy(ptr %a130, ptr %a129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  ret { ptr, i64, i64 } %t131
+  %t114 = load %S.ast.Node, ptr %a6
+  %t115 = call { ptr, i64, i64 } @finch.gen.defaultVal(ptr %t106, %S.ast.Type %t113, %S.ast.Node %t114)
+  %t116 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t115, 0
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
+  %t120 = icmp uge i64 1, %t119
+  br i1 %t120, label %range5450, label %inrange5451
+range5450:
+  call void @finch_panic_index(ptr @.str.3506, i64 2718, i64 1, i64 %t119)
+  unreachable
+inrange5451:
+  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
+  %t122 = getelementptr inbounds %S.ast.Type, ptr %t121, i64 1
+  %t123 = load %S.ast.Type, ptr %t122
+  store %S.ast.Type %t123, ptr %a124
+  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
+  %t126 = load %S.ast.Type, ptr %a125
+  %t127 = insertvalue %S.gen.Val %t116, %S.ast.Type %t126, 1
+  %t128 = insertvalue %S.gen.Val %t127, i1 true, 2
+  %t129 = call { ptr, i64, i64 } @finch.gen.own(ptr %t105, %S.gen.Val %t128)
+  store %S.gen.Val %t128, ptr %a130
+  call void @finch.drop.S_gen_Val(ptr %a130)
+  %t131 = load ptr, ptr %a1
+  %t132 = load { ptr, i64, i64 }, ptr %a51
+  %t133 = load %S.ast.Type, ptr %a3
+  %t134 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t131, { ptr, i64, i64 } %t132, %S.ast.Type %t133, i64 2)
+  call void @finch.gen.store(ptr %t95, { ptr, i64, i64 } %t104, { ptr, i64, i64 } %t129, { ptr, i64, i64 } %t134)
+  store { ptr, i64, i64 } %t104, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  store { ptr, i64, i64 } %t129, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  store { ptr, i64, i64 } %t134, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  br label %endif5445
+endif5445:
+  %t138 = load ptr, ptr %a1
+  %t139 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.gen.br(ptr %t138, { ptr, i64, i64 } %t139)
+  %t140 = load ptr, ptr %a1
+  %t141 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.gen.label(ptr %t140, { ptr, i64, i64 } %t141)
+  %t142 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch_str_drop(ptr %a57)
+  call void @finch_str_drop(ptr %a54)
+  call void @finch_str_drop(ptr %a45)
+  call void @finch_str_drop(ptr %a13)
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t142
 }
 
 define internal %S.gen.Ref @finch.gen.mapIndex(ptr %p0, %S.ast.Node %p1, %S.gen.Ref %p2, %S.ast.Type %p3, i1 %p4) {
@@ -46886,57 +55353,74 @@ entry:
   %a25 = alloca %S.ast.Type, align 16
   %a27 = alloca %S.ast.Type, align 16
   %a48 = alloca %S.gen.Val, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca %S.ast.Type, align 16
-  %a72 = alloca %S.ast.Type, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.gen.Val, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca %S.ast.Type, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca %S.ast.Type, align 16
-  %a199 = alloca %S.ast.Type, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca %S.ast.Type, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a220 = alloca %S.gen.Val, align 16
-  %a234 = alloca %S.ast.Type, align 16
-  %a235 = alloca %S.ast.Type, align 16
-  %a241 = alloca %S.gen.Val, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a220 = alloca %S.ast.Type, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca %S.ast.Type, align 16
+  %a239 = alloca %S.ast.Type, align 16
   %a242 = alloca %S.gen.Val, align 16
+  %a256 = alloca %S.ast.Type, align 16
+  %a257 = alloca %S.ast.Type, align 16
+  %a262 = alloca %S.gen.Val, align 16
+  %a268 = alloca %S.gen.Val, align 16
+  %a269 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.gen.Ref %p2, ptr %a3
@@ -46946,11 +55430,11 @@ entry:
   %t7 = load { ptr, i64, i64 }, ptr %t6
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 0, %t8
-  br i1 %t9, label %range5109, label %inrange5110
-range5109:
-  call void @finch_panic_index(ptr @.str.3358, i64 2512, i64 0, i64 %t8)
+  br i1 %t9, label %range5452, label %inrange5453
+range5452:
+  call void @finch_panic_index(ptr @.str.3507, i64 2727, i64 0, i64 %t8)
   unreachable
-inrange5110:
+inrange5453:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.ast.Type, ptr %t10, i64 0
   %t12 = load %S.ast.Type, ptr %t11
@@ -46962,11 +55446,11 @@ inrange5110:
   %t18 = load { ptr, i64, i64 }, ptr %t17
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 1, %t19
-  br i1 %t20, label %range5111, label %inrange5112
-range5111:
-  call void @finch_panic_index(ptr @.str.3359, i64 2513, i64 1, i64 %t19)
+  br i1 %t20, label %range5454, label %inrange5455
+range5454:
+  call void @finch_panic_index(ptr @.str.3508, i64 2728, i64 1, i64 %t19)
   unreachable
-inrange5112:
+inrange5455:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.ast.Type, ptr %t21, i64 1
   %t23 = load %S.ast.Type, ptr %t22
@@ -46980,11 +55464,11 @@ inrange5112:
   %t31 = load { ptr, i64, i64 }, ptr %t30
   %t32 = extractvalue { ptr, i64, i64 } %t31, 1
   %t33 = icmp uge i64 1, %t32
-  br i1 %t33, label %range5113, label %inrange5114
-range5113:
-  call void @finch_panic_index(ptr @.str.3360, i64 2514, i64 1, i64 %t32)
+  br i1 %t33, label %range5456, label %inrange5457
+range5456:
+  call void @finch_panic_index(ptr @.str.3509, i64 2729, i64 1, i64 %t32)
   unreachable
-inrange5114:
+inrange5457:
   %t34 = extractvalue { ptr, i64, i64 } %t31, 0
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 1
   %t36 = load %S.ast.Node, ptr %t35
@@ -46995,270 +55479,343 @@ inrange5114:
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = extractvalue { ptr, i64, i64 } %t41, 1
   %t43 = icmp uge i64 1, %t42
-  br i1 %t43, label %range5115, label %inrange5116
-range5115:
-  call void @finch_panic_index(ptr @.str.3361, i64 2514, i64 1, i64 %t42)
+  br i1 %t43, label %range5458, label %inrange5459
+range5458:
+  call void @finch_panic_index(ptr @.str.3510, i64 2729, i64 1, i64 %t42)
   unreachable
-inrange5116:
+inrange5459:
   %t44 = extractvalue { ptr, i64, i64 } %t41, 0
   %t45 = getelementptr inbounds %S.ast.Node, ptr %t44, i64 1
   %t46 = load %S.ast.Node, ptr %t45
-  %t47 = call %S.gen.Val @finch.gen.coerce(ptr %t28, %S.gen.Val %t38, %S.ast.Type %t39, %S.ast.Node %t46, { ptr, i64, i64 } { ptr @.str.3362, i64 7, i64 0 })
-  store %S.gen.Val %t47, ptr %a48
-  %t49 = load i1, ptr %a5
-  br i1 %t49, label %then5117, label %endif5119
-then5117:
-  %t50 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
-  %t51 = load i1, ptr %t50
-  %t52 = xor i1 %t51, true
-  br i1 %t52, label %then5120, label %endif5122
-then5120:
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t53, %S.ast.Node %t54, { ptr, i64, i64 } { ptr @.str.3363, i64 44, i64 0 })
-  br label %endif5122
-endif5122:
-  %t55 = load ptr, ptr %a1
-  %t56 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
-  %t57 = getelementptr inbounds %S.gen.Place, ptr %t56, i32 0, i32 0
-  %t58 = load { ptr, i64, i64 }, ptr %t57
-  %t59 = load %S.ast.Type, ptr %a4
-  %t60 = load %S.gen.Val, ptr %a48
-  %t61 = load %S.ast.Node, ptr %a2
-  %t62 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t55, { ptr, i64, i64 } %t58, %S.ast.Type %t59, %S.gen.Val %t60, i1 true, %S.ast.Node %t61)
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t47 = call %S.gen.Val @finch.gen.coerce(ptr %t28, %S.gen.Val %t38, %S.ast.Type %t39, %S.ast.Node %t46, { ptr, i64, i64 } { ptr @.str.3511, i64 7, i64 0 })
+  store %S.gen.Val %t38, ptr %a48
+  call void @finch.drop.S_gen_Val(ptr %a48)
+  store %S.gen.Val %t47, ptr %a49
+  %t50 = load i1, ptr %a5
+  br i1 %t50, label %then5460, label %endif5462
+then5460:
+  %t51 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t52 = load i1, ptr %t51
+  %t53 = xor i1 %t52, true
+  br i1 %t53, label %then5463, label %endif5465
+then5463:
+  %t54 = load ptr, ptr %a1
+  %t55 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t54, %S.ast.Node %t55, { ptr, i64, i64 } { ptr @.str.3512, i64 44, i64 0 })
+  br label %endif5465
+endif5465:
+  %t56 = load ptr, ptr %a1
+  %t57 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t58 = getelementptr inbounds %S.gen.Place, ptr %t57, i32 0, i32 0
+  %t59 = load { ptr, i64, i64 }, ptr %t58
+  %t60 = load %S.ast.Type, ptr %a4
+  %t61 = load %S.gen.Val, ptr %a49
+  %t62 = load %S.ast.Node, ptr %a2
+  %t63 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t56, { ptr, i64, i64 } %t59, %S.ast.Type %t60, %S.gen.Val %t61, i1 true, %S.ast.Node %t62)
+  store { ptr, i64, i64 } %t63, ptr %a64
   %t65 = load ptr, ptr %a1
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  %t67 = load %S.ast.Type, ptr %a4
-  %t68 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t65, { ptr, i64, i64 } %t66, %S.ast.Type %t67, i64 2)
-  %t69 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t68, 0
-  %t70 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t70, ptr %a71
-  call void @finch.copy.S_ast_Type(ptr %a72, ptr %a71)
-  %t73 = load %S.ast.Type, ptr %a72
-  %t74 = insertvalue %S.gen.Place %t69, %S.ast.Type %t73, 1
-  %t75 = insertvalue %S.gen.Ref %t64, %S.gen.Place %t74, 1
-  ret %S.gen.Ref %t75
-endif5119:
-  store { ptr, i64, i64 } { ptr @.str.3364, i64 0, i64 0 }, ptr %a76
-  %t77 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
-  %t78 = load i1, ptr %t77
-  br i1 %t78, label %then5123, label %else5124
-then5123:
-  %t79 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
-  %t80 = getelementptr inbounds %S.gen.Place, ptr %t79, i32 0, i32 0
-  %t81 = load { ptr, i64, i64 }, ptr %t80
-  store { ptr, i64, i64 } %t81, ptr %a82
-  call void @finch_str_copy(ptr %a83, ptr %a82)
-  %t84 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t84, ptr %a76
-  br label %endif5125
-else5124:
-  %t85 = load ptr, ptr %a1
-  %t86 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
-  %t87 = load %S.gen.Val, ptr %t86
-  %t88 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t85, %S.gen.Val %t87)
-  store { ptr, i64, i64 } %t88, ptr %a76
-  br label %endif5125
-endif5125:
-  %t89 = load ptr, ptr %a1
-  %t90 = load %S.gen.Val, ptr %a48
-  %t91 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t89, %S.gen.Val %t90)
-  store { ptr, i64, i64 } %t91, ptr %a92
-  %t93 = load ptr, ptr %a1
-  %t94 = load { ptr, i64, i64 }, ptr %a76
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  %t96 = load %S.ast.Type, ptr %a4
-  %t97 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t93, { ptr, i64, i64 } %t94, { ptr, i64, i64 } %t95, %S.ast.Type %t96)
-  store { ptr, i64, i64 } %t97, ptr %a98
-  %t99 = load ptr, ptr %a1
-  %t100 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t99, { ptr, i64, i64 } { ptr @.str.3365, i64 11, i64 0 })
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = load ptr, ptr %a1
-  %t103 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t102, { ptr, i64, i64 } { ptr @.str.3366, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t103, ptr %a104
-  %t105 = load ptr, ptr %a1
+  %t66 = load %S.gen.Val, ptr %a49
+  call void @finch.gen.release(ptr %t65, %S.gen.Val %t66)
+  %t67 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t68 = load ptr, ptr %a1
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  %t70 = load %S.ast.Type, ptr %a4
+  %t71 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t68, { ptr, i64, i64 } %t69, %S.ast.Type %t70, i64 2)
+  %t72 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t71, 0
+  %t73 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t73, ptr %a74
+  call void @finch.copy.S_ast_Type(ptr %a75, ptr %a74)
+  %t76 = load %S.ast.Type, ptr %a75
+  %t77 = insertvalue %S.gen.Place %t72, %S.ast.Type %t76, 1
+  %t78 = insertvalue %S.gen.Ref %t67, %S.gen.Place %t77, 1
+  call void @finch_str_drop(ptr %a64)
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret %S.gen.Ref %t78
+endif5462:
+  store { ptr, i64, i64 } { ptr @.str.3513, i64 0, i64 0 }, ptr %a79
+  %t80 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t81 = load i1, ptr %t80
+  br i1 %t81, label %then5466, label %else5467
+then5466:
+  %t82 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t83 = getelementptr inbounds %S.gen.Place, ptr %t82, i32 0, i32 0
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } %t84, ptr %a85
+  call void @finch_str_copy(ptr %a86, ptr %a85)
+  %t87 = load { ptr, i64, i64 }, ptr %a86
+  %t88 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t87, ptr %a79
+  store { ptr, i64, i64 } %t88, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  br label %endif5468
+else5467:
+  %t90 = load ptr, ptr %a1
+  %t91 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t92 = load %S.gen.Val, ptr %t91
+  %t93 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t90, %S.gen.Val %t92)
+  %t94 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t93, ptr %a79
+  store { ptr, i64, i64 } %t94, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  br label %endif5468
+endif5468:
+  %t96 = load ptr, ptr %a1
+  %t97 = load %S.gen.Val, ptr %a49
+  %t98 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t96, %S.gen.Val %t97)
+  store { ptr, i64, i64 } %t98, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = load { ptr, i64, i64 }, ptr %a79
+  %t102 = load { ptr, i64, i64 }, ptr %a99
+  %t103 = load %S.ast.Type, ptr %a4
+  %t104 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t100, { ptr, i64, i64 } %t101, { ptr, i64, i64 } %t102, %S.ast.Type %t103)
+  store { ptr, i64, i64 } %t104, ptr %a105
   %t106 = load ptr, ptr %a1
-  %t107 = load { ptr, i64, i64 }, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.3367, i64 13, i64 0 }, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } %t111, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.3368, i64 3, i64 0 }, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  %t116 = call { ptr, i64, i64 } @finch.gen.op(ptr %t106, { ptr, i64, i64 } %t115)
-  %t117 = load { ptr, i64, i64 }, ptr %a101
-  %t118 = load { ptr, i64, i64 }, ptr %a104
-  call void @finch.gen.condBr(ptr %t105, { ptr, i64, i64 } %t116, { ptr, i64, i64 } %t117, { ptr, i64, i64 } %t118)
-  %t119 = load ptr, ptr %a1
-  %t120 = load { ptr, i64, i64 }, ptr %a101
-  call void @finch.gen.label(ptr %t119, { ptr, i64, i64 } %t120)
-  %t121 = load ptr, ptr %a1
-  %t122 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t121, { ptr, i64, i64 } { ptr @.str.3369, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t122, ptr %a123
-  %t124 = load ptr, ptr %a1
-  %t125 = load { ptr, i64, i64 }, ptr %a123
-  call void @finch.gen.store(ptr %t124, { ptr, i64, i64 } { ptr @.str.3370, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3371, i64 15, i64 0 }, { ptr, i64, i64 } %t125)
-  %t126 = load ptr, ptr %a1
-  %t127 = load { ptr, i64, i64 }, ptr %a123
-  %t128 = getelementptr inbounds %S.gen.Val, ptr %a48, i32 0, i32 0
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  %t130 = load %S.ast.Type, ptr %a16
-  call void @finch.gen.emitFormat(ptr %t126, { ptr, i64, i64 } %t127, { ptr, i64, i64 } %t129, %S.ast.Type %t130, i1 true)
+  %t107 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t106, { ptr, i64, i64 } { ptr @.str.3514, i64 11, i64 0 })
+  store { ptr, i64, i64 } %t107, ptr %a108
+  %t109 = load ptr, ptr %a1
+  %t110 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t109, { ptr, i64, i64 } { ptr @.str.3515, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t110, ptr %a111
+  %t112 = load ptr, ptr %a1
+  %t113 = load ptr, ptr %a1
+  %t114 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.3516, i64 13, i64 0 }, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a115
+  store { ptr, i64, i64 } %t118, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.3517, i64 3, i64 0 }, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  store { ptr, i64, i64 } %t118, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a119
+  %t124 = call { ptr, i64, i64 } @finch.gen.op(ptr %t113, { ptr, i64, i64 } %t123)
+  store { ptr, i64, i64 } %t123, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a108
+  %t127 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.condBr(ptr %t112, { ptr, i64, i64 } %t124, { ptr, i64, i64 } %t126, { ptr, i64, i64 } %t127)
+  store { ptr, i64, i64 } %t124, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  %t129 = load ptr, ptr %a1
+  %t130 = load { ptr, i64, i64 }, ptr %a108
+  call void @finch.gen.label(ptr %t129, { ptr, i64, i64 } %t130)
   %t131 = load ptr, ptr %a1
-  %t132 = load ptr, ptr %a1
-  %t133 = load ptr, ptr %a1
-  %t134 = icmp eq ptr %t133, null
-  br i1 %t134, label %panic5126, label %ok5127
-panic5126:
-  call void @finch_panic(ptr @.str.3373, i64 2537, ptr @.str.3374)
+  %t132 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t131, { ptr, i64, i64 } { ptr @.str.3518, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t132, ptr %a133
+  %t134 = load ptr, ptr %a1
+  %t135 = load { ptr, i64, i64 }, ptr %a133
+  call void @finch.gen.store(ptr %t134, { ptr, i64, i64 } { ptr @.str.3519, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3520, i64 15, i64 0 }, { ptr, i64, i64 } %t135)
+  %t136 = load ptr, ptr %a1
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  %t138 = getelementptr inbounds %S.gen.Val, ptr %a49, i32 0, i32 0
+  %t139 = load { ptr, i64, i64 }, ptr %t138
+  %t140 = load %S.ast.Type, ptr %a16
+  call void @finch.gen.emitFormat(ptr %t136, { ptr, i64, i64 } %t137, { ptr, i64, i64 } %t139, %S.ast.Type %t140, i1 true)
+  %t141 = load ptr, ptr %a1
+  %t142 = load ptr, ptr %a1
+  %t143 = load ptr, ptr %a1
+  %t144 = icmp eq ptr %t143, null
+  br i1 %t144, label %panic5469, label %ok5470
+panic5469:
+  call void @finch_panic(ptr @.str.3522, i64 2753, ptr @.str.3523)
   unreachable
-ok5127:
-  %t135 = getelementptr inbounds %S.gen.Gen, ptr %t133, i32 0, i32 1
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t137 = load i64, ptr %t136
-  %t138 = load { ptr, i64, i64 }, ptr %t135
-  %t139 = extractvalue { ptr, i64, i64 } %t138, 1
-  %t140 = icmp uge i64 %t137, %t139
-  br i1 %t140, label %range5128, label %inrange5129
-range5128:
-  call void @finch_panic_index(ptr @.str.3375, i64 2537, i64 %t137, i64 %t139)
+ok5470:
+  %t145 = getelementptr inbounds %S.gen.Gen, ptr %t143, i32 0, i32 1
+  %t146 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t147 = load i64, ptr %t146
+  %t148 = load { ptr, i64, i64 }, ptr %t145
+  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
+  %t150 = icmp uge i64 %t147, %t149
+  br i1 %t150, label %range5471, label %inrange5472
+range5471:
+  call void @finch_panic_index(ptr @.str.3524, i64 2753, i64 %t147, i64 %t149)
   unreachable
-inrange5129:
-  %t141 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i64 %t137
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  %t144 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t132, { ptr, i64, i64 } %t143)
-  store { ptr, i64, i64 } { ptr @.str.3372, i64 33, i64 0 }, ptr %a146
-  store { ptr, i64, i64 } %t144, ptr %a147
-  call void @finch_str_concat(ptr %a145, ptr %a146, ptr %a147)
-  %t148 = load { ptr, i64, i64 }, ptr %a145
-  store { ptr, i64, i64 } %t148, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.3376, i64 6, i64 0 }, ptr %a151
-  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
-  %t152 = load { ptr, i64, i64 }, ptr %a149
-  %t153 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t154 = load i64, ptr %t153
-  call void @finch_str_from_int(ptr %a155, i64 %t154)
-  %t156 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t152, ptr %a158
-  store { ptr, i64, i64 } %t156, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  store { ptr, i64, i64 } %t160, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.3377, i64 6, i64 0 }, ptr %a163
-  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
-  %t164 = load { ptr, i64, i64 }, ptr %a161
-  %t165 = load { ptr, i64, i64 }, ptr %a123
-  store { ptr, i64, i64 } %t164, ptr %a167
-  store { ptr, i64, i64 } %t165, ptr %a168
-  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
-  %t169 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.3378, i64 1, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  call void @finch.gen.emit(ptr %t131, { ptr, i64, i64 } %t173)
-  %t174 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t174, { ptr, i64, i64 } { ptr @.str.3379, i64 11, i64 0 })
-  %t175 = load ptr, ptr %a1
-  %t176 = icmp eq ptr %t175, null
-  br i1 %t176, label %panic5130, label %ok5131
-panic5130:
-  call void @finch_panic(ptr @.str.3380, i64 2539, ptr @.str.3381)
+inrange5472:
+  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i64 %t147
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  %t154 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t142, { ptr, i64, i64 } %t153)
+  store { ptr, i64, i64 } { ptr @.str.3521, i64 33, i64 0 }, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t154, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t159, ptr %a161
+  store { ptr, i64, i64 } { ptr @.str.3525, i64 6, i64 0 }, ptr %a162
+  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
+  store { ptr, i64, i64 } %t159, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a160
+  %t165 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t166 = load i64, ptr %t165
+  call void @finch_str_from_int(ptr %a167, i64 %t166)
+  %t168 = load { ptr, i64, i64 }, ptr %a167
+  store { ptr, i64, i64 } %t164, ptr %a170
+  store { ptr, i64, i64 } %t168, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t164, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  store { ptr, i64, i64 } %t168, ptr %a173
+  call void @finch_str_drop(ptr %a173)
+  %t174 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t174, ptr %a176
+  store { ptr, i64, i64 } { ptr @.str.3526, i64 6, i64 0 }, ptr %a177
+  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
+  store { ptr, i64, i64 } %t174, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a175
+  %t180 = load { ptr, i64, i64 }, ptr %a133
+  store { ptr, i64, i64 } %t179, ptr %a182
+  store { ptr, i64, i64 } %t180, ptr %a183
+  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
+  store { ptr, i64, i64 } %t179, ptr %a184
+  call void @finch_str_drop(ptr %a184)
+  %t185 = load { ptr, i64, i64 }, ptr %a181
+  store { ptr, i64, i64 } %t185, ptr %a187
+  store { ptr, i64, i64 } { ptr @.str.3527, i64 1, i64 0 }, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t185, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  %t190 = load { ptr, i64, i64 }, ptr %a186
+  call void @finch.gen.emit(ptr %t141, { ptr, i64, i64 } %t190)
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t192, { ptr, i64, i64 } { ptr @.str.3528, i64 11, i64 0 })
+  %t193 = load ptr, ptr %a1
+  %t194 = icmp eq ptr %t193, null
+  br i1 %t194, label %panic5473, label %ok5474
+panic5473:
+  call void @finch_panic(ptr @.str.3529, i64 2755, ptr @.str.3530)
   unreachable
-ok5131:
-  %t177 = getelementptr inbounds %S.gen.Gen, ptr %t175, i32 0, i32 9
-  store i1 true, ptr %t177
-  %t178 = load ptr, ptr %a1
-  %t179 = load { ptr, i64, i64 }, ptr %a104
-  call void @finch.gen.label(ptr %t178, { ptr, i64, i64 } %t179)
-  %t180 = load ptr, ptr %a1
-  %t181 = load ptr, ptr %a1
-  %t182 = load { ptr, i64, i64 }, ptr %a76
-  %t183 = load %S.ast.Type, ptr %a4
-  %t184 = load { ptr, i64, i64 }, ptr %a98
-  %t185 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t181, { ptr, i64, i64 } %t182, %S.ast.Type %t183, { ptr, i64, i64 } %t184)
-  %t186 = load %S.ast.Type, ptr %a4
-  %t187 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t180, { ptr, i64, i64 } %t185, %S.ast.Type %t186, i64 2)
-  store { ptr, i64, i64 } %t187, ptr %a188
-  %t189 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
-  %t190 = load i1, ptr %t189
-  br i1 %t190, label %then5132, label %endif5134
-then5132:
-  %t191 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t192 = load { ptr, i64, i64 }, ptr %a188
-  store { ptr, i64, i64 } %t192, ptr %a193
-  call void @finch_str_copy(ptr %a194, ptr %a193)
-  %t195 = load { ptr, i64, i64 }, ptr %a194
-  %t196 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t195, 0
-  %t197 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t197, ptr %a198
-  call void @finch.copy.S_ast_Type(ptr %a199, ptr %a198)
-  %t200 = load %S.ast.Type, ptr %a199
-  %t201 = insertvalue %S.gen.Place %t196, %S.ast.Type %t200, 1
-  %t202 = insertvalue %S.gen.Ref %t191, %S.gen.Place %t201, 1
-  ret %S.gen.Ref %t202
-endif5134:
-  %t203 = load ptr, ptr %a1
-  %t204 = load ptr, ptr %a1
-  %t205 = load %S.ast.Type, ptr %a27
-  %t206 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t204, %S.ast.Type %t205)
-  %t207 = load { ptr, i64, i64 }, ptr %a188
-  %t208 = call { ptr, i64, i64 } @finch.gen.load(ptr %t203, { ptr, i64, i64 } %t206, { ptr, i64, i64 } %t207)
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t210, ptr %a211
-  call void @finch_str_copy(ptr %a212, ptr %a211)
-  %t213 = load { ptr, i64, i64 }, ptr %a212
-  %t214 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t213, 0
-  %t215 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t215, ptr %a216
-  call void @finch.copy.S_ast_Type(ptr %a217, ptr %a216)
-  %t218 = load %S.ast.Type, ptr %a217
-  %t219 = insertvalue %S.gen.Val %t214, %S.ast.Type %t218, 1
-  store %S.gen.Val %t219, ptr %a220
-  %t221 = load ptr, ptr %a1
-  %t222 = load %S.ast.Type, ptr %a27
-  %t223 = call i1 @finch.gen.owning(ptr %t221, %S.ast.Type %t222)
-  br label %logic.from5135
-logic.from5135:
-  br i1 %t223, label %logic.rhs5136, label %logic.end5137
-logic.rhs5136:
-  %t224 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
-  %t225 = getelementptr inbounds %S.gen.Val, ptr %t224, i32 0, i32 2
-  %t226 = load i1, ptr %t225
-  br label %logic.rend5138
-logic.rend5138:
-  br label %logic.end5137
-logic.end5137:
-  %t227 = phi i1 [ false, %logic.from5135 ], [ %t226, %logic.rend5138 ]
-  br i1 %t227, label %then5139, label %endif5141
-then5139:
-  %t228 = load ptr, ptr %a1
-  %t229 = load { ptr, i64, i64 }, ptr %a209
-  %t230 = load %S.ast.Type, ptr %a27
-  %t231 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t228, { ptr, i64, i64 } %t229, %S.ast.Type %t230)
-  %t232 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t231, 0
-  %t233 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t233, ptr %a234
-  call void @finch.copy.S_ast_Type(ptr %a235, ptr %a234)
-  %t236 = load %S.ast.Type, ptr %a235
-  %t237 = insertvalue %S.gen.Val %t232, %S.ast.Type %t236, 1
-  %t238 = insertvalue %S.gen.Val %t237, i1 true, 2
-  store %S.gen.Val %t238, ptr %a220
-  br label %endif5141
-endif5141:
-  %t239 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t240 = load %S.gen.Val, ptr %a220
-  store %S.gen.Val %t240, ptr %a241
-  call void @finch.copy.S_gen_Val(ptr %a242, ptr %a241)
-  %t243 = load %S.gen.Val, ptr %a242
-  %t244 = insertvalue %S.gen.Ref %t239, %S.gen.Val %t243, 2
-  ret %S.gen.Ref %t244
+ok5474:
+  %t195 = getelementptr inbounds %S.gen.Gen, ptr %t193, i32 0, i32 9
+  store i1 true, ptr %t195
+  %t196 = load ptr, ptr %a1
+  %t197 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.label(ptr %t196, { ptr, i64, i64 } %t197)
+  %t198 = load ptr, ptr %a1
+  %t199 = load %S.gen.Val, ptr %a49
+  call void @finch.gen.release(ptr %t198, %S.gen.Val %t199)
+  %t200 = load ptr, ptr %a1
+  %t201 = load ptr, ptr %a1
+  %t202 = load { ptr, i64, i64 }, ptr %a79
+  %t203 = load %S.ast.Type, ptr %a4
+  %t204 = load { ptr, i64, i64 }, ptr %a105
+  %t205 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t201, { ptr, i64, i64 } %t202, %S.ast.Type %t203, { ptr, i64, i64 } %t204)
+  %t206 = load %S.ast.Type, ptr %a4
+  %t207 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t200, { ptr, i64, i64 } %t205, %S.ast.Type %t206, i64 2)
+  store { ptr, i64, i64 } %t205, ptr %a208
+  call void @finch_str_drop(ptr %a208)
+  store { ptr, i64, i64 } %t207, ptr %a209
+  %t210 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t211 = load i1, ptr %t210
+  br i1 %t211, label %then5475, label %endif5477
+then5475:
+  %t212 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t213 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t213, ptr %a214
+  call void @finch_str_copy(ptr %a215, ptr %a214)
+  %t216 = load { ptr, i64, i64 }, ptr %a215
+  %t217 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t216, 0
+  %t218 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.copy.S_ast_Type(ptr %a220, ptr %a219)
+  %t221 = load %S.ast.Type, ptr %a220
+  %t222 = insertvalue %S.gen.Place %t217, %S.ast.Type %t221, 1
+  %t223 = insertvalue %S.gen.Ref %t212, %S.gen.Place %t222, 1
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a133)
+  call void @finch_str_drop(ptr %a111)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a105)
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a79)
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret %S.gen.Ref %t223
+endif5477:
+  %t224 = load ptr, ptr %a1
+  %t225 = load ptr, ptr %a1
+  %t226 = load %S.ast.Type, ptr %a27
+  %t227 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t225, %S.ast.Type %t226)
+  %t228 = load { ptr, i64, i64 }, ptr %a209
+  %t229 = call { ptr, i64, i64 } @finch.gen.load(ptr %t224, { ptr, i64, i64 } %t227, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t227, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  store { ptr, i64, i64 } %t229, ptr %a231
+  %t232 = load { ptr, i64, i64 }, ptr %a231
+  store { ptr, i64, i64 } %t232, ptr %a233
+  call void @finch_str_copy(ptr %a234, ptr %a233)
+  %t235 = load { ptr, i64, i64 }, ptr %a234
+  %t236 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t235, 0
+  %t237 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t237, ptr %a238
+  call void @finch.copy.S_ast_Type(ptr %a239, ptr %a238)
+  %t240 = load %S.ast.Type, ptr %a239
+  %t241 = insertvalue %S.gen.Val %t236, %S.ast.Type %t240, 1
+  store %S.gen.Val %t241, ptr %a242
+  %t243 = load ptr, ptr %a1
+  %t244 = load %S.ast.Type, ptr %a27
+  %t245 = call i1 @finch.gen.owning(ptr %t243, %S.ast.Type %t244)
+  br label %logic.from5478
+logic.from5478:
+  br i1 %t245, label %logic.rhs5479, label %logic.end5480
+logic.rhs5479:
+  %t246 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t247 = getelementptr inbounds %S.gen.Val, ptr %t246, i32 0, i32 2
+  %t248 = load i1, ptr %t247
+  br label %logic.rend5481
+logic.rend5481:
+  br label %logic.end5480
+logic.end5480:
+  %t249 = phi i1 [ false, %logic.from5478 ], [ %t248, %logic.rend5481 ]
+  br i1 %t249, label %then5482, label %endif5484
+then5482:
+  %t250 = load ptr, ptr %a1
+  %t251 = load { ptr, i64, i64 }, ptr %a231
+  %t252 = load %S.ast.Type, ptr %a27
+  %t253 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t250, { ptr, i64, i64 } %t251, %S.ast.Type %t252)
+  %t254 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t253, 0
+  %t255 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t255, ptr %a256
+  call void @finch.copy.S_ast_Type(ptr %a257, ptr %a256)
+  %t258 = load %S.ast.Type, ptr %a257
+  %t259 = insertvalue %S.gen.Val %t254, %S.ast.Type %t258, 1
+  %t260 = insertvalue %S.gen.Val %t259, i1 true, 2
+  %t261 = load %S.gen.Val, ptr %a242
+  store %S.gen.Val %t260, ptr %a242
+  store %S.gen.Val %t261, ptr %a262
+  call void @finch.drop.S_gen_Val(ptr %a262)
+  br label %endif5484
+endif5484:
+  %t263 = load ptr, ptr %a1
+  %t264 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t265 = load %S.gen.Val, ptr %t264
+  call void @finch.gen.release(ptr %t263, %S.gen.Val %t265)
+  %t266 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t267 = load %S.gen.Val, ptr %a242
+  store %S.gen.Val %t267, ptr %a268
+  call void @finch.copy.S_gen_Val(ptr %a269, ptr %a268)
+  %t270 = load %S.gen.Val, ptr %a269
+  %t271 = insertvalue %S.gen.Ref %t266, %S.gen.Val %t270, 2
+  call void @finch.drop.S_gen_Val(ptr %a242)
+  call void @finch_str_drop(ptr %a231)
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a133)
+  call void @finch_str_drop(ptr %a111)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a105)
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a79)
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret %S.gen.Ref %t271
 }
 
 define internal %S.gen.Val @finch.gen.mapLit(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -47286,33 +55843,49 @@ entry:
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca %S.ast.Node, align 16
   %a68 = alloca %S.ast.Node, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca %S.ast.Node, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca %S.gen.Val, align 16
+  %a107 = alloca %S.gen.Val, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca %S.ast.Type, align 16
-  %a151 = alloca %S.ast.Type, align 16
-  %a153 = alloca %S.ast.Type, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca i64, align 16
-  %a181 = alloca %S.gen.Val, align 16
-  %a182 = alloca %S.gen.Val, align 16
-  %a184 = alloca %S.gen.Val, align 16
-  %a186 = alloca %S.gen.Val, align 16
-  %a187 = alloca %S.gen.Val, align 16
-  %a189 = alloca %S.gen.Val, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca %S.ast.Type, align 16
-  %a308 = alloca %S.ast.Type, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca %S.ast.Type, align 16
+  %a157 = alloca %S.ast.Type, align 16
+  %a159 = alloca %S.ast.Type, align 16
+  %a165 = alloca %S.ast.Type, align 16
+  %a171 = alloca %S.ast.Type, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca i64, align 16
+  %a198 = alloca i64, align 16
+  %a206 = alloca i64, align 16
+  %a208 = alloca %S.gen.Val, align 16
+  %a209 = alloca %S.gen.Val, align 16
+  %a211 = alloca %S.gen.Val, align 16
+  %a236 = alloca %S.gen.Val, align 16
+  %a257 = alloca %S.gen.Val, align 16
+  %a261 = alloca %S.gen.Val, align 16
+  %a262 = alloca %S.gen.Val, align 16
+  %a264 = alloca %S.gen.Val, align 16
+  %a290 = alloca %S.gen.Val, align 16
+  %a312 = alloca %S.gen.Val, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca %S.ast.Type, align 16
+  %a369 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -47327,22 +55900,22 @@ entry:
   %t12 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3382, i64 3, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.3531, i64 3, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp eq i32 %t16, 0
-  br i1 %t17, label %then5142, label %endif5144
-then5142:
+  br i1 %t17, label %then5485, label %endif5487
+then5485:
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i32 0, i32 1
   %t20 = load i64, ptr %t19
   %t21 = icmp eq i64 %t20, 0
-  br i1 %t21, label %then5145, label %endif5147
-then5145:
+  br i1 %t21, label %then5488, label %endif5490
+then5488:
   %t22 = load ptr, ptr %a1
   %t23 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t22, %S.ast.Node %t23, { ptr, i64, i64 } { ptr @.str.3383, i64 52, i64 0 })
-  br label %endif5147
-endif5147:
+  call void @finch.gen.fail(ptr %t22, %S.ast.Node %t23, { ptr, i64, i64 } { ptr @.str.3532, i64 52, i64 0 })
+  br label %endif5490
+endif5490:
   store i1 true, ptr %a24
   store i1 false, ptr %a25
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
@@ -47350,12 +55923,12 @@ endif5147:
   %t28 = load i64, ptr %t27
   %t29 = sdiv i64 %t28, 2
   store i64 0, ptr %a30
-  br label %for.cond5148
-for.cond5148:
+  br label %for.cond5491
+for.cond5491:
   %t31 = load i64, ptr %a30
   %t32 = icmp slt i64 %t31, %t29
-  br i1 %t32, label %for.body5149, label %for.end5151
-for.body5149:
+  br i1 %t32, label %for.body5492, label %for.end5494
+for.body5492:
   %t33 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t34 = load i64, ptr %a30
   %t35 = mul i64 2, %t34
@@ -47363,11 +55936,11 @@ for.body5149:
   %t37 = load { ptr, i64, i64 }, ptr %t33
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range5152, label %inrange5153
-range5152:
-  call void @finch_panic_index(ptr @.str.3384, i64 2567, i64 %t36, i64 %t38)
+  br i1 %t39, label %range5495, label %inrange5496
+range5495:
+  call void @finch_panic_index(ptr @.str.3533, i64 2785, i64 %t36, i64 %t38)
   unreachable
-inrange5153:
+inrange5496:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t36
   %t42 = load %S.ast.Node, ptr %t41
@@ -47378,441 +55951,559 @@ inrange5153:
   %t47 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
   %t48 = load { ptr, i64, i64 }, ptr %t47
   store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.3385, i64 5, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.3534, i64 5, i64 0 }, ptr %a50
   %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
   %t52 = icmp ne i32 %t51, 0
-  br label %logic.from5154
-logic.from5154:
-  br i1 %t52, label %logic.rhs5155, label %logic.end5156
-logic.rhs5155:
+  br label %logic.from5497
+logic.from5497:
+  br i1 %t52, label %logic.rhs5498, label %logic.end5499
+logic.rhs5498:
   %t53 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 1
   %t54 = load { ptr, i64, i64 }, ptr %t53
   store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.3386, i64 1, i64 0 }, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.3535, i64 1, i64 0 }, ptr %a56
   %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
   %t58 = icmp ne i32 %t57, 0
-  br label %logic.rend5157
-logic.rend5157:
-  br label %logic.end5156
-logic.end5156:
-  %t59 = phi i1 [ false, %logic.from5154 ], [ %t58, %logic.rend5157 ]
-  br i1 %t59, label %then5158, label %endif5160
-then5158:
+  br label %logic.rend5500
+logic.rend5500:
+  br label %logic.end5499
+logic.end5499:
+  %t59 = phi i1 [ false, %logic.from5497 ], [ %t58, %logic.rend5500 ]
+  br i1 %t59, label %then5501, label %endif5503
+then5501:
   %t60 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
   %t61 = load { ptr, i64, i64 }, ptr %t60
   %t62 = extractvalue { ptr, i64, i64 } %t61, 1
   %t63 = icmp uge i64 0, %t62
-  br i1 %t63, label %range5161, label %inrange5162
-range5161:
-  call void @finch_panic_index(ptr @.str.3387, i64 2569, i64 0, i64 %t62)
+  br i1 %t63, label %range5504, label %inrange5505
+range5504:
+  call void @finch_panic_index(ptr @.str.3536, i64 2787, i64 0, i64 %t62)
   unreachable
-inrange5162:
+inrange5505:
   %t64 = extractvalue { ptr, i64, i64 } %t61, 0
   %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 0
   %t66 = load %S.ast.Node, ptr %t65
   store %S.ast.Node %t66, ptr %a67
   call void @finch.copy.S_ast_Node(ptr %a68, ptr %a67)
   %t69 = load %S.ast.Node, ptr %a68
+  %t70 = load %S.ast.Node, ptr %a46
   store %S.ast.Node %t69, ptr %a46
-  br label %endif5160
-endif5160:
-  %t70 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
-  %t71 = load { ptr, i64, i64 }, ptr %t70
-  store { ptr, i64, i64 } %t71, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.3388, i64 5, i64 0 }, ptr %a73
-  %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
-  %t75 = icmp ne i32 %t74, 0
-  br i1 %t75, label %then5163, label %else5164
-then5163:
+  store %S.ast.Node %t70, ptr %a71
+  call void @finch.drop.S_ast_Node(ptr %a71)
+  br label %endif5503
+endif5503:
+  %t72 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  store { ptr, i64, i64 } %t73, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.3537, i64 5, i64 0 }, ptr %a75
+  %t76 = call i32 @finch_str_eq(ptr %a74, ptr %a75)
+  %t77 = icmp ne i32 %t76, 0
+  br i1 %t77, label %then5506, label %else5507
+then5506:
   store i1 true, ptr %a25
-  br label %endif5165
-else5164:
-  %t76 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.3389, i64 3, i64 0 }, ptr %a79
-  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
-  %t81 = icmp eq i32 %t80, 0
-  br i1 %t81, label %then5166, label %endif5168
-then5166:
+  br label %endif5508
+else5507:
+  %t78 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.3538, i64 3, i64 0 }, ptr %a81
+  %t82 = call i32 @finch_str_eq(ptr %a80, ptr %a81)
+  %t83 = icmp eq i32 %t82, 0
+  br i1 %t83, label %then5509, label %endif5511
+then5509:
   store i1 false, ptr %a24
-  br label %endif5168
-endif5168:
-  br label %endif5165
-endif5165:
-  br label %for.step5150
-for.step5150:
-  %t82 = load i64, ptr %a30
-  %t83 = add i64 %t82, 1
-  store i64 %t83, ptr %a30
-  br label %for.cond5148
-for.end5151:
-  %t84 = load ptr, ptr %a1
-  %t85 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 0, %t87
-  br i1 %t88, label %range5169, label %inrange5170
-range5169:
-  call void @finch_panic_index(ptr @.str.3390, i64 2577, i64 0, i64 %t87)
+  br label %endif5511
+endif5511:
+  br label %endif5508
+endif5508:
+  call void @finch.drop.S_ast_Node(ptr %a46)
+  br label %for.step5493
+for.step5493:
+  %t84 = load i64, ptr %a30
+  %t85 = add i64 %t84, 1
+  store i64 %t85, ptr %a30
+  br label %for.cond5491
+for.end5494:
+  %t86 = load ptr, ptr %a1
+  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t88 = load { ptr, i64, i64 }, ptr %t87
+  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
+  %t90 = icmp uge i64 0, %t89
+  br i1 %t90, label %range5512, label %inrange5513
+range5512:
+  call void @finch_panic_index(ptr @.str.3539, i64 2795, i64 0, i64 %t89)
   unreachable
-inrange5170:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %t89, i64 0
-  %t91 = load %S.ast.Node, ptr %t90
-  %t92 = call %S.gen.Val @finch.gen.expr(ptr %t84, %S.ast.Node %t91)
-  store %S.gen.Val %t92, ptr %a10
-  %t93 = load ptr, ptr %a1
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
-  %t97 = icmp uge i64 1, %t96
-  br i1 %t97, label %range5171, label %inrange5172
-range5171:
-  call void @finch_panic_index(ptr @.str.3391, i64 2578, i64 1, i64 %t96)
+inrange5513:
+  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
+  %t92 = getelementptr inbounds %S.ast.Node, ptr %t91, i64 0
+  %t93 = load %S.ast.Node, ptr %t92
+  %t94 = call %S.gen.Val @finch.gen.expr(ptr %t86, %S.ast.Node %t93)
+  %t95 = load %S.gen.Val, ptr %a10
+  store %S.gen.Val %t94, ptr %a10
+  store %S.gen.Val %t95, ptr %a96
+  call void @finch.drop.S_gen_Val(ptr %a96)
+  %t97 = load ptr, ptr %a1
+  %t98 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t99 = load { ptr, i64, i64 }, ptr %t98
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 1, %t100
+  br i1 %t101, label %range5514, label %inrange5515
+range5514:
+  call void @finch_panic_index(ptr @.str.3540, i64 2796, i64 1, i64 %t100)
   unreachable
-inrange5172:
-  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
-  %t99 = getelementptr inbounds %S.ast.Node, ptr %t98, i64 1
-  %t100 = load %S.ast.Node, ptr %t99
-  %t101 = call %S.gen.Val @finch.gen.expr(ptr %t93, %S.ast.Node %t100)
-  store %S.gen.Val %t101, ptr %a11
-  %t102 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
-  %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i32 0, i32 0
-  %t104 = load { ptr, i64, i64 }, ptr %t103
-  store { ptr, i64, i64 } %t104, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.3392, i64 4, i64 0 }, ptr %a106
-  %t107 = call i32 @finch_str_eq(ptr %a105, ptr %a106)
-  %t108 = icmp ne i32 %t107, 0
-  br label %logic.from5173
-logic.from5173:
-  br i1 %t108, label %logic.end5175, label %logic.rhs5174
-logic.rhs5174:
-  %t109 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %t109, i32 0, i32 0
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.3393, i64 4, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br label %logic.rend5176
-logic.rend5176:
-  br label %logic.end5175
-logic.end5175:
-  %t116 = phi i1 [ true, %logic.from5173 ], [ %t115, %logic.rend5176 ]
-  br i1 %t116, label %then5177, label %endif5179
-then5177:
-  %t117 = load ptr, ptr %a1
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 0, %t120
-  br i1 %t121, label %range5180, label %inrange5181
-range5180:
-  call void @finch_panic_index(ptr @.str.3394, i64 2580, i64 0, i64 %t120)
+inrange5515:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds %S.ast.Node, ptr %t102, i64 1
+  %t104 = load %S.ast.Node, ptr %t103
+  %t105 = call %S.gen.Val @finch.gen.expr(ptr %t97, %S.ast.Node %t104)
+  %t106 = load %S.gen.Val, ptr %a11
+  store %S.gen.Val %t105, ptr %a11
+  store %S.gen.Val %t106, ptr %a107
+  call void @finch.drop.S_gen_Val(ptr %a107)
+  %t108 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %t108, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  store { ptr, i64, i64 } { ptr @.str.3541, i64 4, i64 0 }, ptr %a112
+  %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
+  %t114 = icmp ne i32 %t113, 0
+  br label %logic.from5516
+logic.from5516:
+  br i1 %t114, label %logic.end5518, label %logic.rhs5517
+logic.rhs5517:
+  %t115 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i32 0, i32 0
+  %t117 = load { ptr, i64, i64 }, ptr %t116
+  store { ptr, i64, i64 } %t117, ptr %a118
+  store { ptr, i64, i64 } { ptr @.str.3542, i64 4, i64 0 }, ptr %a119
+  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
+  %t121 = icmp ne i32 %t120, 0
+  br label %logic.rend5519
+logic.rend5519:
+  br label %logic.end5518
+logic.end5518:
+  %t122 = phi i1 [ true, %logic.from5516 ], [ %t121, %logic.rend5519 ]
+  br i1 %t122, label %then5520, label %endif5522
+then5520:
+  %t123 = load ptr, ptr %a1
+  %t124 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t125 = load { ptr, i64, i64 }, ptr %t124
+  %t126 = extractvalue { ptr, i64, i64 } %t125, 1
+  %t127 = icmp uge i64 0, %t126
+  br i1 %t127, label %range5523, label %inrange5524
+range5523:
+  call void @finch_panic_index(ptr @.str.3543, i64 2798, i64 0, i64 %t126)
   unreachable
-inrange5181:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %t122, i64 0
-  %t124 = load %S.ast.Node, ptr %t123
-  call void @finch.gen.fail(ptr %t117, %S.ast.Node %t124, { ptr, i64, i64 } { ptr @.str.3395, i64 35, i64 0 })
-  br label %endif5179
-endif5179:
-  %t125 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %t125, i32 0, i32 0
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  store { ptr, i64, i64 } %t127, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.3396, i64 4, i64 0 }, ptr %a129
-  %t130 = call i32 @finch_str_eq(ptr %a128, ptr %a129)
-  %t131 = icmp ne i32 %t130, 0
-  br label %logic.from5182
-logic.from5182:
-  br i1 %t131, label %logic.end5184, label %logic.rhs5183
-logic.rhs5183:
-  %t132 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
-  %t133 = getelementptr inbounds %S.ast.Type, ptr %t132, i32 0, i32 0
-  %t134 = load { ptr, i64, i64 }, ptr %t133
-  store { ptr, i64, i64 } %t134, ptr %a135
-  store { ptr, i64, i64 } { ptr @.str.3397, i64 4, i64 0 }, ptr %a136
-  %t137 = call i32 @finch_str_eq(ptr %a135, ptr %a136)
-  %t138 = icmp ne i32 %t137, 0
-  br label %logic.rend5185
-logic.rend5185:
-  br label %logic.end5184
-logic.end5184:
-  %t139 = phi i1 [ true, %logic.from5182 ], [ %t138, %logic.rend5185 ]
-  br i1 %t139, label %then5186, label %endif5188
-then5186:
-  %t140 = load ptr, ptr %a1
-  %t141 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t142 = load { ptr, i64, i64 }, ptr %t141
-  %t143 = extractvalue { ptr, i64, i64 } %t142, 1
-  %t144 = icmp uge i64 1, %t143
-  br i1 %t144, label %range5189, label %inrange5190
-range5189:
-  call void @finch_panic_index(ptr @.str.3398, i64 2583, i64 1, i64 %t143)
+inrange5524:
+  %t128 = extractvalue { ptr, i64, i64 } %t125, 0
+  %t129 = getelementptr inbounds %S.ast.Node, ptr %t128, i64 0
+  %t130 = load %S.ast.Node, ptr %t129
+  call void @finch.gen.fail(ptr %t123, %S.ast.Node %t130, { ptr, i64, i64 } { ptr @.str.3544, i64 35, i64 0 })
+  br label %endif5522
+endif5522:
+  %t131 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %t131, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.3545, i64 4, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp ne i32 %t136, 0
+  br label %logic.from5525
+logic.from5525:
+  br i1 %t137, label %logic.end5527, label %logic.rhs5526
+logic.rhs5526:
+  %t138 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
+  %t139 = getelementptr inbounds %S.ast.Type, ptr %t138, i32 0, i32 0
+  %t140 = load { ptr, i64, i64 }, ptr %t139
+  store { ptr, i64, i64 } %t140, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.3546, i64 4, i64 0 }, ptr %a142
+  %t143 = call i32 @finch_str_eq(ptr %a141, ptr %a142)
+  %t144 = icmp ne i32 %t143, 0
+  br label %logic.rend5528
+logic.rend5528:
+  br label %logic.end5527
+logic.end5527:
+  %t145 = phi i1 [ true, %logic.from5525 ], [ %t144, %logic.rend5528 ]
+  br i1 %t145, label %then5529, label %endif5531
+then5529:
+  %t146 = load ptr, ptr %a1
+  %t147 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
+  %t150 = icmp uge i64 1, %t149
+  br i1 %t150, label %range5532, label %inrange5533
+range5532:
+  call void @finch_panic_index(ptr @.str.3547, i64 2801, i64 1, i64 %t149)
   unreachable
-inrange5190:
-  %t145 = extractvalue { ptr, i64, i64 } %t142, 0
-  %t146 = getelementptr inbounds %S.ast.Node, ptr %t145, i64 1
-  %t147 = load %S.ast.Node, ptr %t146
-  call void @finch.gen.fail(ptr %t140, %S.ast.Node %t147, { ptr, i64, i64 } { ptr @.str.3399, i64 37, i64 0 })
-  br label %endif5188
-endif5188:
-  %t148 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
-  %t149 = load %S.ast.Type, ptr %t148
-  store %S.ast.Type %t149, ptr %a150
-  call void @finch.copy.S_ast_Type(ptr %a151, ptr %a150)
-  %t152 = load %S.ast.Type, ptr %a151
-  store %S.ast.Type %t152, ptr %a153
-  %t154 = load i1, ptr %a24
-  br label %logic.from5191
-logic.from5191:
-  br i1 %t154, label %logic.rhs5192, label %logic.end5193
-logic.rhs5192:
-  %t155 = load i1, ptr %a25
-  br label %logic.rend5194
-logic.rend5194:
-  br label %logic.end5193
-logic.end5193:
-  %t156 = phi i1 [ false, %logic.from5191 ], [ %t155, %logic.rend5194 ]
-  br i1 %t156, label %then5195, label %endif5197
-then5195:
-  %t157 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3400, i64 5, i64 0 })
-  store %S.ast.Type %t157, ptr %a153
-  br label %endif5197
-endif5197:
-  %t158 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
-  %t159 = load %S.ast.Type, ptr %t158
-  %t160 = load %S.ast.Type, ptr %a153
-  %t161 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t159, %S.ast.Type %t160)
-  store %S.ast.Type %t161, ptr %a8
-  store i1 true, ptr %a9
-  br label %endif5144
-endif5144:
-  %t162 = load ptr, ptr %a1
-  %t163 = load ptr, ptr %a1
-  %t164 = load %S.ast.Type, ptr %a8
-  %t165 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t163, %S.ast.Type %t164)
-  %t166 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t162, { ptr, i64, i64 } %t165)
-  store { ptr, i64, i64 } %t166, ptr %a167
-  %t168 = load ptr, ptr %a1
-  %t169 = load ptr, ptr %a1
+inrange5533:
+  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
+  %t152 = getelementptr inbounds %S.ast.Node, ptr %t151, i64 1
+  %t153 = load %S.ast.Node, ptr %t152
+  call void @finch.gen.fail(ptr %t146, %S.ast.Node %t153, { ptr, i64, i64 } { ptr @.str.3548, i64 37, i64 0 })
+  br label %endif5531
+endif5531:
+  %t154 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
+  %t155 = load %S.ast.Type, ptr %t154
+  store %S.ast.Type %t155, ptr %a156
+  call void @finch.copy.S_ast_Type(ptr %a157, ptr %a156)
+  %t158 = load %S.ast.Type, ptr %a157
+  store %S.ast.Type %t158, ptr %a159
+  %t160 = load i1, ptr %a24
+  br label %logic.from5534
+logic.from5534:
+  br i1 %t160, label %logic.rhs5535, label %logic.end5536
+logic.rhs5535:
+  %t161 = load i1, ptr %a25
+  br label %logic.rend5537
+logic.rend5537:
+  br label %logic.end5536
+logic.end5536:
+  %t162 = phi i1 [ false, %logic.from5534 ], [ %t161, %logic.rend5537 ]
+  br i1 %t162, label %then5538, label %endif5540
+then5538:
+  %t163 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3549, i64 5, i64 0 })
+  %t164 = load %S.ast.Type, ptr %a159
+  store %S.ast.Type %t163, ptr %a159
+  store %S.ast.Type %t164, ptr %a165
+  call void @finch.drop.S_ast_Type(ptr %a165)
+  br label %endif5540
+endif5540:
+  %t166 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t167 = load %S.ast.Type, ptr %t166
+  %t168 = load %S.ast.Type, ptr %a159
+  %t169 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t167, %S.ast.Type %t168)
   %t170 = load %S.ast.Type, ptr %a8
-  %t171 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t169, %S.ast.Type %t170)
-  %t172 = load { ptr, i64, i64 }, ptr %a167
-  call void @finch.gen.store(ptr %t168, { ptr, i64, i64 } %t171, { ptr, i64, i64 } { ptr @.str.3401, i64 15, i64 0 }, { ptr, i64, i64 } %t172)
-  %t173 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = load i64, ptr %t174
-  %t176 = sdiv i64 %t175, 2
-  store i64 0, ptr %a177
-  br label %for.cond5198
-for.cond5198:
-  %t178 = load i64, ptr %a177
-  %t179 = icmp slt i64 %t178, %t176
-  br i1 %t179, label %for.body5199, label %for.end5201
-for.body5199:
-  %t180 = load %S.gen.Val, ptr %a10
-  store %S.gen.Val %t180, ptr %a181
-  call void @finch.copy.S_gen_Val(ptr %a182, ptr %a181)
-  %t183 = load %S.gen.Val, ptr %a182
-  store %S.gen.Val %t183, ptr %a184
-  %t185 = load %S.gen.Val, ptr %a11
-  store %S.gen.Val %t185, ptr %a186
-  call void @finch.copy.S_gen_Val(ptr %a187, ptr %a186)
-  %t188 = load %S.gen.Val, ptr %a187
-  store %S.gen.Val %t188, ptr %a189
-  %t190 = load i64, ptr %a177
-  %t191 = icmp eq i64 %t190, 0
-  br label %logic.from5202
-logic.from5202:
-  br i1 %t191, label %logic.rhs5203, label %logic.end5204
-logic.rhs5203:
-  %t192 = load i1, ptr %a9
-  br label %logic.rend5205
-logic.rend5205:
-  br label %logic.end5204
-logic.end5204:
-  %t193 = phi i1 [ false, %logic.from5202 ], [ %t192, %logic.rend5205 ]
-  %t194 = xor i1 %t193, true
-  br i1 %t194, label %then5206, label %endif5208
-then5206:
-  %t195 = load ptr, ptr %a1
-  %t196 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t197 = load i64, ptr %a177
-  %t198 = mul i64 2, %t197
-  %t199 = load { ptr, i64, i64 }, ptr %t196
-  %t200 = extractvalue { ptr, i64, i64 } %t199, 1
-  %t201 = icmp uge i64 %t198, %t200
-  br i1 %t201, label %range5209, label %inrange5210
-range5209:
-  call void @finch_panic_index(ptr @.str.3402, i64 2598, i64 %t198, i64 %t200)
+  store %S.ast.Type %t169, ptr %a8
+  store %S.ast.Type %t170, ptr %a171
+  call void @finch.drop.S_ast_Type(ptr %a171)
+  store i1 true, ptr %a9
+  call void @finch.drop.S_ast_Type(ptr %a159)
+  br label %endif5487
+endif5487:
+  %t172 = load ptr, ptr %a1
+  %t173 = load ptr, ptr %a1
+  %t174 = load %S.ast.Type, ptr %a8
+  %t175 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t173, %S.ast.Type %t174)
+  %t176 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t172, { ptr, i64, i64 } %t175)
+  store { ptr, i64, i64 } %t175, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  store { ptr, i64, i64 } %t176, ptr %a178
+  %t179 = load ptr, ptr %a1
+  %t180 = load ptr, ptr %a1
+  %t181 = load %S.ast.Type, ptr %a8
+  %t182 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t180, %S.ast.Type %t181)
+  %t183 = load { ptr, i64, i64 }, ptr %a178
+  call void @finch.gen.store(ptr %t179, { ptr, i64, i64 } %t182, { ptr, i64, i64 } { ptr @.str.3550, i64 15, i64 0 }, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t182, ptr %a184
+  call void @finch_str_drop(ptr %a184)
+  %t185 = load ptr, ptr %a1
+  %t186 = icmp eq ptr %t185, null
+  br i1 %t186, label %panic5541, label %ok5542
+panic5541:
+  call void @finch_panic(ptr @.str.3551, i64 2812, ptr @.str.3552)
   unreachable
-inrange5210:
-  %t202 = extractvalue { ptr, i64, i64 } %t199, 0
-  %t203 = getelementptr inbounds %S.ast.Node, ptr %t202, i64 %t198
-  %t204 = load %S.ast.Node, ptr %t203
-  %t205 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t206 = load { ptr, i64, i64 }, ptr %t205
-  %t207 = extractvalue { ptr, i64, i64 } %t206, 1
-  %t208 = icmp uge i64 0, %t207
-  br i1 %t208, label %range5211, label %inrange5212
-range5211:
-  call void @finch_panic_index(ptr @.str.3403, i64 2598, i64 0, i64 %t207)
+ok5542:
+  %t187 = getelementptr inbounds %S.gen.Gen, ptr %t185, i32 0, i32 11
+  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t187, i32 0, i32 1
+  %t189 = load i64, ptr %t188
+  store i64 %t189, ptr %a190
+  %t191 = load ptr, ptr %a1
+  %t192 = load { ptr, i64, i64 }, ptr %a178
+  %t193 = load %S.ast.Type, ptr %a8
+  call void @finch.gen.holdAddr(ptr %t191, { ptr, i64, i64 } %t192, %S.ast.Type %t193)
+  %t194 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
+  %t196 = load i64, ptr %t195
+  %t197 = sdiv i64 %t196, 2
+  store i64 0, ptr %a198
+  br label %for.cond5543
+for.cond5543:
+  %t199 = load i64, ptr %a198
+  %t200 = icmp slt i64 %t199, %t197
+  br i1 %t200, label %for.body5544, label %for.end5546
+for.body5544:
+  %t201 = load ptr, ptr %a1
+  %t202 = icmp eq ptr %t201, null
+  br i1 %t202, label %panic5547, label %ok5548
+panic5547:
+  call void @finch_panic(ptr @.str.3553, i64 2815, ptr @.str.3554)
   unreachable
-inrange5212:
-  %t209 = extractvalue { ptr, i64, i64 } %t206, 0
-  %t210 = getelementptr inbounds %S.ast.Type, ptr %t209, i64 0
-  %t211 = load %S.ast.Type, ptr %t210
-  %t212 = call %S.gen.Val @finch.gen.exprWant(ptr %t195, %S.ast.Node %t204, %S.ast.Type %t211)
-  store %S.gen.Val %t212, ptr %a184
-  %t213 = load ptr, ptr %a1
-  %t214 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t215 = load i64, ptr %a177
-  %t216 = mul i64 2, %t215
-  %t217 = add i64 %t216, 1
-  %t218 = load { ptr, i64, i64 }, ptr %t214
-  %t219 = extractvalue { ptr, i64, i64 } %t218, 1
-  %t220 = icmp uge i64 %t217, %t219
-  br i1 %t220, label %range5213, label %inrange5214
-range5213:
-  call void @finch_panic_index(ptr @.str.3404, i64 2599, i64 %t217, i64 %t219)
+ok5548:
+  %t203 = getelementptr inbounds %S.gen.Gen, ptr %t201, i32 0, i32 11
+  %t204 = getelementptr inbounds { ptr, i64, i64 }, ptr %t203, i32 0, i32 1
+  %t205 = load i64, ptr %t204
+  store i64 %t205, ptr %a206
+  %t207 = load %S.gen.Val, ptr %a10
+  store %S.gen.Val %t207, ptr %a208
+  call void @finch.copy.S_gen_Val(ptr %a209, ptr %a208)
+  %t210 = load %S.gen.Val, ptr %a209
+  store %S.gen.Val %t210, ptr %a211
+  %t212 = load i64, ptr %a198
+  %t213 = icmp eq i64 %t212, 0
+  br label %logic.from5549
+logic.from5549:
+  br i1 %t213, label %logic.rhs5550, label %logic.end5551
+logic.rhs5550:
+  %t214 = load i1, ptr %a9
+  br label %logic.rend5552
+logic.rend5552:
+  br label %logic.end5551
+logic.end5551:
+  %t215 = phi i1 [ false, %logic.from5549 ], [ %t214, %logic.rend5552 ]
+  %t216 = xor i1 %t215, true
+  br i1 %t216, label %then5553, label %endif5555
+then5553:
+  %t217 = load ptr, ptr %a1
+  %t218 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t219 = load i64, ptr %a198
+  %t220 = mul i64 2, %t219
+  %t221 = load { ptr, i64, i64 }, ptr %t218
+  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
+  %t223 = icmp uge i64 %t220, %t222
+  br i1 %t223, label %range5556, label %inrange5557
+range5556:
+  call void @finch_panic_index(ptr @.str.3555, i64 2818, i64 %t220, i64 %t222)
   unreachable
-inrange5214:
-  %t221 = extractvalue { ptr, i64, i64 } %t218, 0
-  %t222 = getelementptr inbounds %S.ast.Node, ptr %t221, i64 %t217
-  %t223 = load %S.ast.Node, ptr %t222
-  %t224 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t225 = load { ptr, i64, i64 }, ptr %t224
-  %t226 = extractvalue { ptr, i64, i64 } %t225, 1
-  %t227 = icmp uge i64 1, %t226
-  br i1 %t227, label %range5215, label %inrange5216
-range5215:
-  call void @finch_panic_index(ptr @.str.3405, i64 2599, i64 1, i64 %t226)
+inrange5557:
+  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
+  %t225 = getelementptr inbounds %S.ast.Node, ptr %t224, i64 %t220
+  %t226 = load %S.ast.Node, ptr %t225
+  %t227 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t228 = load { ptr, i64, i64 }, ptr %t227
+  %t229 = extractvalue { ptr, i64, i64 } %t228, 1
+  %t230 = icmp uge i64 0, %t229
+  br i1 %t230, label %range5558, label %inrange5559
+range5558:
+  call void @finch_panic_index(ptr @.str.3556, i64 2818, i64 0, i64 %t229)
   unreachable
-inrange5216:
-  %t228 = extractvalue { ptr, i64, i64 } %t225, 0
-  %t229 = getelementptr inbounds %S.ast.Type, ptr %t228, i64 1
-  %t230 = load %S.ast.Type, ptr %t229
-  %t231 = call %S.gen.Val @finch.gen.exprWant(ptr %t213, %S.ast.Node %t223, %S.ast.Type %t230)
-  store %S.gen.Val %t231, ptr %a189
-  br label %endif5208
-endif5208:
-  %t232 = load ptr, ptr %a1
-  %t233 = load %S.gen.Val, ptr %a184
-  %t234 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  %t236 = extractvalue { ptr, i64, i64 } %t235, 1
-  %t237 = icmp uge i64 0, %t236
-  br i1 %t237, label %range5217, label %inrange5218
-range5217:
-  call void @finch_panic_index(ptr @.str.3406, i64 2601, i64 0, i64 %t236)
+inrange5559:
+  %t231 = extractvalue { ptr, i64, i64 } %t228, 0
+  %t232 = getelementptr inbounds %S.ast.Type, ptr %t231, i64 0
+  %t233 = load %S.ast.Type, ptr %t232
+  %t234 = call %S.gen.Val @finch.gen.exprWant(ptr %t217, %S.ast.Node %t226, %S.ast.Type %t233)
+  %t235 = load %S.gen.Val, ptr %a211
+  store %S.gen.Val %t234, ptr %a211
+  store %S.gen.Val %t235, ptr %a236
+  call void @finch.drop.S_gen_Val(ptr %a236)
+  br label %endif5555
+endif5555:
+  %t237 = load ptr, ptr %a1
+  %t238 = load %S.gen.Val, ptr %a211
+  %t239 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = extractvalue { ptr, i64, i64 } %t240, 1
+  %t242 = icmp uge i64 0, %t241
+  br i1 %t242, label %range5560, label %inrange5561
+range5560:
+  call void @finch_panic_index(ptr @.str.3557, i64 2820, i64 0, i64 %t241)
   unreachable
-inrange5218:
-  %t238 = extractvalue { ptr, i64, i64 } %t235, 0
-  %t239 = getelementptr inbounds %S.ast.Type, ptr %t238, i64 0
-  %t240 = load %S.ast.Type, ptr %t239
-  %t241 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t242 = load i64, ptr %a177
-  %t243 = mul i64 2, %t242
-  %t244 = load { ptr, i64, i64 }, ptr %t241
-  %t245 = extractvalue { ptr, i64, i64 } %t244, 1
-  %t246 = icmp uge i64 %t243, %t245
-  br i1 %t246, label %range5219, label %inrange5220
-range5219:
-  call void @finch_panic_index(ptr @.str.3407, i64 2601, i64 %t243, i64 %t245)
+inrange5561:
+  %t243 = extractvalue { ptr, i64, i64 } %t240, 0
+  %t244 = getelementptr inbounds %S.ast.Type, ptr %t243, i64 0
+  %t245 = load %S.ast.Type, ptr %t244
+  %t246 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t247 = load i64, ptr %a198
+  %t248 = mul i64 2, %t247
+  %t249 = load { ptr, i64, i64 }, ptr %t246
+  %t250 = extractvalue { ptr, i64, i64 } %t249, 1
+  %t251 = icmp uge i64 %t248, %t250
+  br i1 %t251, label %range5562, label %inrange5563
+range5562:
+  call void @finch_panic_index(ptr @.str.3558, i64 2820, i64 %t248, i64 %t250)
   unreachable
-inrange5220:
-  %t247 = extractvalue { ptr, i64, i64 } %t244, 0
-  %t248 = getelementptr inbounds %S.ast.Node, ptr %t247, i64 %t243
-  %t249 = load %S.ast.Node, ptr %t248
-  %t250 = call %S.gen.Val @finch.gen.coerce(ptr %t232, %S.gen.Val %t233, %S.ast.Type %t240, %S.ast.Node %t249, { ptr, i64, i64 } { ptr @.str.3408, i64 21, i64 0 })
-  store %S.gen.Val %t250, ptr %a184
-  %t251 = load ptr, ptr %a1
-  %t252 = load %S.gen.Val, ptr %a189
-  %t253 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t254 = load { ptr, i64, i64 }, ptr %t253
-  %t255 = extractvalue { ptr, i64, i64 } %t254, 1
-  %t256 = icmp uge i64 1, %t255
-  br i1 %t256, label %range5221, label %inrange5222
-range5221:
-  call void @finch_panic_index(ptr @.str.3409, i64 2602, i64 1, i64 %t255)
+inrange5563:
+  %t252 = extractvalue { ptr, i64, i64 } %t249, 0
+  %t253 = getelementptr inbounds %S.ast.Node, ptr %t252, i64 %t248
+  %t254 = load %S.ast.Node, ptr %t253
+  %t255 = call %S.gen.Val @finch.gen.coerce(ptr %t237, %S.gen.Val %t238, %S.ast.Type %t245, %S.ast.Node %t254, { ptr, i64, i64 } { ptr @.str.3559, i64 21, i64 0 })
+  %t256 = load %S.gen.Val, ptr %a211
+  store %S.gen.Val %t255, ptr %a211
+  store %S.gen.Val %t256, ptr %a257
+  call void @finch.drop.S_gen_Val(ptr %a257)
+  %t258 = load ptr, ptr %a1
+  %t259 = load %S.gen.Val, ptr %a211
+  call void @finch.gen.hold(ptr %t258, %S.gen.Val %t259)
+  %t260 = load %S.gen.Val, ptr %a11
+  store %S.gen.Val %t260, ptr %a261
+  call void @finch.copy.S_gen_Val(ptr %a262, ptr %a261)
+  %t263 = load %S.gen.Val, ptr %a262
+  store %S.gen.Val %t263, ptr %a264
+  %t265 = load i64, ptr %a198
+  %t266 = icmp eq i64 %t265, 0
+  br label %logic.from5564
+logic.from5564:
+  br i1 %t266, label %logic.rhs5565, label %logic.end5566
+logic.rhs5565:
+  %t267 = load i1, ptr %a9
+  br label %logic.rend5567
+logic.rend5567:
+  br label %logic.end5566
+logic.end5566:
+  %t268 = phi i1 [ false, %logic.from5564 ], [ %t267, %logic.rend5567 ]
+  %t269 = xor i1 %t268, true
+  br i1 %t269, label %then5568, label %endif5570
+then5568:
+  %t270 = load ptr, ptr %a1
+  %t271 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t272 = load i64, ptr %a198
+  %t273 = mul i64 2, %t272
+  %t274 = add i64 %t273, 1
+  %t275 = load { ptr, i64, i64 }, ptr %t271
+  %t276 = extractvalue { ptr, i64, i64 } %t275, 1
+  %t277 = icmp uge i64 %t274, %t276
+  br i1 %t277, label %range5571, label %inrange5572
+range5571:
+  call void @finch_panic_index(ptr @.str.3560, i64 2824, i64 %t274, i64 %t276)
   unreachable
-inrange5222:
-  %t257 = extractvalue { ptr, i64, i64 } %t254, 0
-  %t258 = getelementptr inbounds %S.ast.Type, ptr %t257, i64 1
-  %t259 = load %S.ast.Type, ptr %t258
-  %t260 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t261 = load i64, ptr %a177
-  %t262 = mul i64 2, %t261
-  %t263 = add i64 %t262, 1
-  %t264 = load { ptr, i64, i64 }, ptr %t260
-  %t265 = extractvalue { ptr, i64, i64 } %t264, 1
-  %t266 = icmp uge i64 %t263, %t265
-  br i1 %t266, label %range5223, label %inrange5224
-range5223:
-  call void @finch_panic_index(ptr @.str.3410, i64 2602, i64 %t263, i64 %t265)
+inrange5572:
+  %t278 = extractvalue { ptr, i64, i64 } %t275, 0
+  %t279 = getelementptr inbounds %S.ast.Node, ptr %t278, i64 %t274
+  %t280 = load %S.ast.Node, ptr %t279
+  %t281 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t282 = load { ptr, i64, i64 }, ptr %t281
+  %t283 = extractvalue { ptr, i64, i64 } %t282, 1
+  %t284 = icmp uge i64 1, %t283
+  br i1 %t284, label %range5573, label %inrange5574
+range5573:
+  call void @finch_panic_index(ptr @.str.3561, i64 2824, i64 1, i64 %t283)
   unreachable
-inrange5224:
-  %t267 = extractvalue { ptr, i64, i64 } %t264, 0
-  %t268 = getelementptr inbounds %S.ast.Node, ptr %t267, i64 %t263
-  %t269 = load %S.ast.Node, ptr %t268
-  %t270 = call %S.gen.Val @finch.gen.coerce(ptr %t251, %S.gen.Val %t252, %S.ast.Type %t259, %S.ast.Node %t269, { ptr, i64, i64 } { ptr @.str.3411, i64 23, i64 0 })
-  store %S.gen.Val %t270, ptr %a189
-  %t271 = load ptr, ptr %a1
-  %t272 = load %S.gen.Val, ptr %a189
-  %t273 = call { ptr, i64, i64 } @finch.gen.own(ptr %t271, %S.gen.Val %t272)
-  store { ptr, i64, i64 } %t273, ptr %a274
-  %t275 = load ptr, ptr %a1
-  %t276 = load { ptr, i64, i64 }, ptr %a167
-  %t277 = load %S.ast.Type, ptr %a8
-  %t278 = load %S.gen.Val, ptr %a184
-  %t279 = load %S.ast.Node, ptr %a2
-  %t280 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t275, { ptr, i64, i64 } %t276, %S.ast.Type %t277, %S.gen.Val %t278, i1 false, %S.ast.Node %t279)
-  store { ptr, i64, i64 } %t280, ptr %a281
-  %t282 = load ptr, ptr %a1
-  %t283 = load ptr, ptr %a1
-  %t284 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t285 = load { ptr, i64, i64 }, ptr %t284
-  %t286 = extractvalue { ptr, i64, i64 } %t285, 1
-  %t287 = icmp uge i64 1, %t286
-  br i1 %t287, label %range5225, label %inrange5226
-range5225:
-  call void @finch_panic_index(ptr @.str.3412, i64 2605, i64 1, i64 %t286)
+inrange5574:
+  %t285 = extractvalue { ptr, i64, i64 } %t282, 0
+  %t286 = getelementptr inbounds %S.ast.Type, ptr %t285, i64 1
+  %t287 = load %S.ast.Type, ptr %t286
+  %t288 = call %S.gen.Val @finch.gen.exprWant(ptr %t270, %S.ast.Node %t280, %S.ast.Type %t287)
+  %t289 = load %S.gen.Val, ptr %a264
+  store %S.gen.Val %t288, ptr %a264
+  store %S.gen.Val %t289, ptr %a290
+  call void @finch.drop.S_gen_Val(ptr %a290)
+  br label %endif5570
+endif5570:
+  %t291 = load ptr, ptr %a1
+  %t292 = load %S.gen.Val, ptr %a264
+  %t293 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t294 = load { ptr, i64, i64 }, ptr %t293
+  %t295 = extractvalue { ptr, i64, i64 } %t294, 1
+  %t296 = icmp uge i64 1, %t295
+  br i1 %t296, label %range5575, label %inrange5576
+range5575:
+  call void @finch_panic_index(ptr @.str.3562, i64 2826, i64 1, i64 %t295)
   unreachable
-inrange5226:
-  %t288 = extractvalue { ptr, i64, i64 } %t285, 0
-  %t289 = getelementptr inbounds %S.ast.Type, ptr %t288, i64 1
-  %t290 = load %S.ast.Type, ptr %t289
-  %t291 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t283, %S.ast.Type %t290)
-  %t292 = load { ptr, i64, i64 }, ptr %a274
-  %t293 = load ptr, ptr %a1
-  %t294 = load { ptr, i64, i64 }, ptr %a281
-  %t295 = load %S.ast.Type, ptr %a8
-  %t296 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t293, { ptr, i64, i64 } %t294, %S.ast.Type %t295, i64 2)
-  call void @finch.gen.store(ptr %t282, { ptr, i64, i64 } %t291, { ptr, i64, i64 } %t292, { ptr, i64, i64 } %t296)
-  br label %for.step5200
-for.step5200:
-  %t297 = load i64, ptr %a177
-  %t298 = add i64 %t297, 1
-  store i64 %t298, ptr %a177
-  br label %for.cond5198
-for.end5201:
-  %t299 = load ptr, ptr %a1
-  %t300 = load ptr, ptr %a1
-  %t301 = load %S.ast.Type, ptr %a8
-  %t302 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t300, %S.ast.Type %t301)
-  %t303 = load { ptr, i64, i64 }, ptr %a167
-  %t304 = call { ptr, i64, i64 } @finch.gen.load(ptr %t299, { ptr, i64, i64 } %t302, { ptr, i64, i64 } %t303)
-  %t305 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t304, 0
-  %t306 = load %S.ast.Type, ptr %a8
-  store %S.ast.Type %t306, ptr %a307
-  call void @finch.copy.S_ast_Type(ptr %a308, ptr %a307)
-  %t309 = load %S.ast.Type, ptr %a308
-  %t310 = insertvalue %S.gen.Val %t305, %S.ast.Type %t309, 1
-  %t311 = insertvalue %S.gen.Val %t310, i1 true, 2
-  ret %S.gen.Val %t311
+inrange5576:
+  %t297 = extractvalue { ptr, i64, i64 } %t294, 0
+  %t298 = getelementptr inbounds %S.ast.Type, ptr %t297, i64 1
+  %t299 = load %S.ast.Type, ptr %t298
+  %t300 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t301 = load i64, ptr %a198
+  %t302 = mul i64 2, %t301
+  %t303 = add i64 %t302, 1
+  %t304 = load { ptr, i64, i64 }, ptr %t300
+  %t305 = extractvalue { ptr, i64, i64 } %t304, 1
+  %t306 = icmp uge i64 %t303, %t305
+  br i1 %t306, label %range5577, label %inrange5578
+range5577:
+  call void @finch_panic_index(ptr @.str.3563, i64 2826, i64 %t303, i64 %t305)
+  unreachable
+inrange5578:
+  %t307 = extractvalue { ptr, i64, i64 } %t304, 0
+  %t308 = getelementptr inbounds %S.ast.Node, ptr %t307, i64 %t303
+  %t309 = load %S.ast.Node, ptr %t308
+  %t310 = call %S.gen.Val @finch.gen.coerce(ptr %t291, %S.gen.Val %t292, %S.ast.Type %t299, %S.ast.Node %t309, { ptr, i64, i64 } { ptr @.str.3564, i64 23, i64 0 })
+  %t311 = load %S.gen.Val, ptr %a264
+  store %S.gen.Val %t310, ptr %a264
+  store %S.gen.Val %t311, ptr %a312
+  call void @finch.drop.S_gen_Val(ptr %a312)
+  %t313 = load ptr, ptr %a1
+  %t314 = load %S.gen.Val, ptr %a264
+  %t315 = call { ptr, i64, i64 } @finch.gen.own(ptr %t313, %S.gen.Val %t314)
+  store { ptr, i64, i64 } %t315, ptr %a316
+  %t317 = load ptr, ptr %a1
+  %t318 = load { ptr, i64, i64 }, ptr %a178
+  %t319 = load %S.ast.Type, ptr %a8
+  %t320 = load %S.gen.Val, ptr %a211
+  %t321 = load %S.ast.Node, ptr %a2
+  %t322 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t317, { ptr, i64, i64 } %t318, %S.ast.Type %t319, %S.gen.Val %t320, i1 false, %S.ast.Node %t321)
+  store { ptr, i64, i64 } %t322, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = load { ptr, i64, i64 }, ptr %a323
+  %t326 = load %S.ast.Type, ptr %a8
+  %t327 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t324, { ptr, i64, i64 } %t325, %S.ast.Type %t326, i64 2)
+  store { ptr, i64, i64 } %t327, ptr %a328
+  %t329 = load ptr, ptr %a1
+  %t330 = load { ptr, i64, i64 }, ptr %a328
+  %t331 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t332 = load { ptr, i64, i64 }, ptr %t331
+  %t333 = extractvalue { ptr, i64, i64 } %t332, 1
+  %t334 = icmp uge i64 1, %t333
+  br i1 %t334, label %range5579, label %inrange5580
+range5579:
+  call void @finch_panic_index(ptr @.str.3565, i64 2830, i64 1, i64 %t333)
+  unreachable
+inrange5580:
+  %t335 = extractvalue { ptr, i64, i64 } %t332, 0
+  %t336 = getelementptr inbounds %S.ast.Type, ptr %t335, i64 1
+  %t337 = load %S.ast.Type, ptr %t336
+  call void @finch.gen.dropAt(ptr %t329, { ptr, i64, i64 } %t330, %S.ast.Type %t337)
+  %t338 = load ptr, ptr %a1
+  %t339 = load ptr, ptr %a1
+  %t340 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t341 = load { ptr, i64, i64 }, ptr %t340
+  %t342 = extractvalue { ptr, i64, i64 } %t341, 1
+  %t343 = icmp uge i64 1, %t342
+  br i1 %t343, label %range5581, label %inrange5582
+range5581:
+  call void @finch_panic_index(ptr @.str.3566, i64 2831, i64 1, i64 %t342)
+  unreachable
+inrange5582:
+  %t344 = extractvalue { ptr, i64, i64 } %t341, 0
+  %t345 = getelementptr inbounds %S.ast.Type, ptr %t344, i64 1
+  %t346 = load %S.ast.Type, ptr %t345
+  %t347 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t339, %S.ast.Type %t346)
+  %t348 = load { ptr, i64, i64 }, ptr %a316
+  %t349 = load { ptr, i64, i64 }, ptr %a328
+  call void @finch.gen.store(ptr %t338, { ptr, i64, i64 } %t347, { ptr, i64, i64 } %t348, { ptr, i64, i64 } %t349)
+  store { ptr, i64, i64 } %t347, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  %t351 = load ptr, ptr %a1
+  %t352 = load %S.gen.Val, ptr %a211
+  call void @finch.gen.release(ptr %t351, %S.gen.Val %t352)
+  %t353 = load ptr, ptr %a1
+  %t354 = load i64, ptr %a206
+  call void @finch.gen.heldEnd(ptr %t353, i64 %t354)
+  call void @finch_str_drop(ptr %a328)
+  call void @finch_str_drop(ptr %a323)
+  call void @finch_str_drop(ptr %a316)
+  call void @finch.drop.S_gen_Val(ptr %a264)
+  call void @finch.drop.S_gen_Val(ptr %a211)
+  br label %for.step5545
+for.step5545:
+  %t355 = load i64, ptr %a198
+  %t356 = add i64 %t355, 1
+  store i64 %t356, ptr %a198
+  br label %for.cond5543
+for.end5546:
+  %t357 = load ptr, ptr %a1
+  %t358 = load i64, ptr %a190
+  call void @finch.gen.heldEnd(ptr %t357, i64 %t358)
+  %t359 = load ptr, ptr %a1
+  %t360 = load ptr, ptr %a1
+  %t361 = load %S.ast.Type, ptr %a8
+  %t362 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t360, %S.ast.Type %t361)
+  %t363 = load { ptr, i64, i64 }, ptr %a178
+  %t364 = call { ptr, i64, i64 } @finch.gen.load(ptr %t359, { ptr, i64, i64 } %t362, { ptr, i64, i64 } %t363)
+  store { ptr, i64, i64 } %t362, ptr %a365
+  call void @finch_str_drop(ptr %a365)
+  %t366 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t364, 0
+  %t367 = load %S.ast.Type, ptr %a8
+  store %S.ast.Type %t367, ptr %a368
+  call void @finch.copy.S_ast_Type(ptr %a369, ptr %a368)
+  %t370 = load %S.ast.Type, ptr %a369
+  %t371 = insertvalue %S.gen.Val %t366, %S.ast.Type %t370, 1
+  %t372 = insertvalue %S.gen.Val %t371, i1 true, 2
+  call void @finch_str_drop(ptr %a178)
+  call void @finch.drop.S_gen_Val(ptr %a11)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_ast_Type(ptr %a8)
+  ret %S.gen.Val %t372
 }
 
 define internal %S.gen.Val @finch.gen.mapMethod(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3) {
@@ -47839,189 +56530,296 @@ entry:
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca %S.gen.Val, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca %S.gen.Val, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca %S.gen.Val, align 16
+  %a278 = alloca %S.gen.Val, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
   %a295 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca %S.ast.Type, align 16
-  %a301 = alloca %S.ast.Type, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
   %a319 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
   %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a330 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca i64, align 16
-  %a344 = alloca %S.ast.Type, align 16
-  %a345 = alloca %S.ast.Type, align 16
-  %a347 = alloca %S.ast.Type, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca %S.ast.Type, align 16
-  %a355 = alloca %S.ast.Type, align 16
-  %a359 = alloca %S.ast.Type, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca %S.ast.Type, align 16
+  %a351 = alloca %S.ast.Type, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
   %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
   %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
   %a396 = alloca { ptr, i64, i64 }, align 16
   %a397 = alloca { ptr, i64, i64 }, align 16
-  %a398 = alloca { ptr, i64, i64 }, align 16
-  %a401 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
   %a403 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
   %a407 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
   %a418 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
   %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
   %a439 = alloca { ptr, i64, i64 }, align 16
   %a440 = alloca { ptr, i64, i64 }, align 16
-  %a443 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
   %a445 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
   %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
-  %a468 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
   %a474 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
-  %a488 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca i64, align 16
+  %a501 = alloca %S.ast.Type, align 16
+  %a502 = alloca %S.ast.Type, align 16
+  %a504 = alloca %S.ast.Type, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
-  %a510 = alloca { ptr, i64, i64 }, align 16
-  %a511 = alloca { ptr, i64, i64 }, align 16
-  %a514 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
-  %a525 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca %S.ast.Type, align 16
+  %a512 = alloca %S.ast.Type, align 16
+  %a515 = alloca %S.ast.Type, align 16
+  %a518 = alloca %S.ast.Type, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a530 = alloca { ptr, i64, i64 }, align 16
+  %a531 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
   %a541 = alloca { ptr, i64, i64 }, align 16
   %a542 = alloca { ptr, i64, i64 }, align 16
   %a543 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca %S.ast.Type, align 16
-  %a559 = alloca %S.ast.Type, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
   %a567 = alloca { ptr, i64, i64 }, align 16
   %a568 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
   %a570 = alloca { ptr, i64, i64 }, align 16
-  %a571 = alloca { ptr, i64, i64 }, align 16
   %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a598 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a613 = alloca { ptr, i64, i64 }, align 16
+  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca { ptr, i64, i64 }, align 16
+  %a618 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a649 = alloca { ptr, i64, i64 }, align 16
+  %a652 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a662 = alloca { ptr, i64, i64 }, align 16
+  %a663 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
+  %a690 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
+  %a693 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca { ptr, i64, i64 }, align 16
+  %a699 = alloca { ptr, i64, i64 }, align 16
+  %a700 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a704 = alloca { ptr, i64, i64 }, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a707 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
+  %a711 = alloca { ptr, i64, i64 }, align 16
+  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a713 = alloca { ptr, i64, i64 }, align 16
+  %a716 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a728 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a732 = alloca { ptr, i64, i64 }, align 16
+  %a733 = alloca { ptr, i64, i64 }, align 16
+  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca %S.ast.Type, align 16
+  %a753 = alloca %S.ast.Type, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a764 = alloca { ptr, i64, i64 }, align 16
+  %a765 = alloca { ptr, i64, i64 }, align 16
+  %a766 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -48036,11 +56834,11 @@ entry:
   %t12 = load { ptr, i64, i64 }, ptr %t11
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 0, %t13
-  br i1 %t14, label %range5227, label %inrange5228
-range5227:
-  call void @finch_panic_index(ptr @.str.3413, i64 2612, i64 0, i64 %t13)
+  br i1 %t14, label %range5583, label %inrange5584
+range5583:
+  call void @finch_panic_index(ptr @.str.3567, i64 2841, i64 0, i64 %t13)
   unreachable
-inrange5228:
+inrange5584:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 0
   %t17 = load %S.ast.Type, ptr %t16
@@ -48052,11 +56850,11 @@ inrange5228:
   %t23 = load { ptr, i64, i64 }, ptr %t22
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 1, %t24
-  br i1 %t25, label %range5229, label %inrange5230
-range5229:
-  call void @finch_panic_index(ptr @.str.3414, i64 2613, i64 1, i64 %t24)
+  br i1 %t25, label %range5585, label %inrange5586
+range5585:
+  call void @finch_panic_index(ptr @.str.3568, i64 2842, i64 1, i64 %t24)
   unreachable
-inrange5230:
+inrange5586:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds %S.ast.Type, ptr %t26, i64 1
   %t28 = load %S.ast.Type, ptr %t27
@@ -48066,69 +56864,69 @@ inrange5230:
   store %S.ast.Type %t31, ptr %a32
   %t33 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3415, i64 3, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3569, i64 3, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br label %logic.from5231
-logic.from5231:
-  br i1 %t37, label %logic.end5233, label %logic.rhs5232
-logic.rhs5232:
+  br label %logic.from5587
+logic.from5587:
+  br i1 %t37, label %logic.end5589, label %logic.rhs5588
+logic.rhs5588:
   %t38 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.3416, i64 3, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.3570, i64 3, i64 0 }, ptr %a40
   %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
   %t42 = icmp ne i32 %t41, 0
-  br label %logic.rend5234
-logic.rend5234:
-  br label %logic.end5233
-logic.end5233:
-  %t43 = phi i1 [ true, %logic.from5231 ], [ %t42, %logic.rend5234 ]
-  br label %logic.from5235
-logic.from5235:
-  br i1 %t43, label %logic.end5237, label %logic.rhs5236
-logic.rhs5236:
+  br label %logic.rend5590
+logic.rend5590:
+  br label %logic.end5589
+logic.end5589:
+  %t43 = phi i1 [ true, %logic.from5587 ], [ %t42, %logic.rend5590 ]
+  br label %logic.from5591
+logic.from5591:
+  br i1 %t43, label %logic.end5593, label %logic.rhs5592
+logic.rhs5592:
   %t44 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.3417, i64 6, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.3571, i64 6, i64 0 }, ptr %a46
   %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
   %t48 = icmp ne i32 %t47, 0
-  br label %logic.rend5238
-logic.rend5238:
-  br label %logic.end5237
-logic.end5237:
-  %t49 = phi i1 [ true, %logic.from5235 ], [ %t48, %logic.rend5238 ]
-  br i1 %t49, label %then5239, label %endif5241
-then5239:
+  br label %logic.rend5594
+logic.rend5594:
+  br label %logic.end5593
+logic.end5593:
+  %t49 = phi i1 [ true, %logic.from5591 ], [ %t48, %logic.rend5594 ]
+  br i1 %t49, label %then5595, label %endif5597
+then5595:
   %t50 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t50, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.3418, i64 3, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3572, i64 3, i64 0 }, ptr %a52
   %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
   %t54 = icmp ne i32 %t53, 0
-  br i1 %t54, label %then5242, label %else5243
-then5242:
+  br i1 %t54, label %then5598, label %else5599
+then5598:
   %t55 = load ptr, ptr %a1
   %t56 = load %S.ast.Node, ptr %a2
   %t57 = load { ptr, i64, i64 }, ptr %a10
   call void @finch.gen.checkArgs(ptr %t55, %S.ast.Node %t56, i64 1, i64 2, { ptr, i64, i64 } %t57)
-  br label %endif5244
-else5243:
+  br label %endif5600
+else5599:
   %t58 = load ptr, ptr %a1
   %t59 = load %S.ast.Node, ptr %a2
   %t60 = load { ptr, i64, i64 }, ptr %a10
   call void @finch.gen.checkArgs(ptr %t58, %S.ast.Node %t59, i64 1, i64 1, { ptr, i64, i64 } %t60)
-  br label %endif5244
-endif5244:
+  br label %endif5600
+endif5600:
   %t61 = load ptr, ptr %a1
   %t62 = load ptr, ptr %a1
   %t63 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t64 = load { ptr, i64, i64 }, ptr %t63
   %t65 = extractvalue { ptr, i64, i64 } %t64, 1
   %t66 = icmp uge i64 1, %t65
-  br i1 %t66, label %range5245, label %inrange5246
-range5245:
-  call void @finch_panic_index(ptr @.str.3419, i64 2620, i64 1, i64 %t65)
+  br i1 %t66, label %range5601, label %inrange5602
+range5601:
+  call void @finch_panic_index(ptr @.str.3573, i64 2849, i64 1, i64 %t65)
   unreachable
-inrange5246:
+inrange5602:
   %t67 = extractvalue { ptr, i64, i64 } %t64, 0
   %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 1
   %t69 = load %S.ast.Node, ptr %t68
@@ -48139,584 +56937,944 @@ inrange5246:
   %t74 = load { ptr, i64, i64 }, ptr %t73
   %t75 = extractvalue { ptr, i64, i64 } %t74, 1
   %t76 = icmp uge i64 1, %t75
-  br i1 %t76, label %range5247, label %inrange5248
-range5247:
-  call void @finch_panic_index(ptr @.str.3420, i64 2620, i64 1, i64 %t75)
+  br i1 %t76, label %range5603, label %inrange5604
+range5603:
+  call void @finch_panic_index(ptr @.str.3574, i64 2849, i64 1, i64 %t75)
   unreachable
-inrange5248:
+inrange5604:
   %t77 = extractvalue { ptr, i64, i64 } %t74, 0
   %t78 = getelementptr inbounds %S.ast.Node, ptr %t77, i64 1
   %t79 = load %S.ast.Node, ptr %t78
-  %t80 = call %S.gen.Val @finch.gen.coerce(ptr %t61, %S.gen.Val %t71, %S.ast.Type %t72, %S.ast.Node %t79, { ptr, i64, i64 } { ptr @.str.3421, i64 7, i64 0 })
-  store %S.gen.Val %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = load { ptr, i64, i64 }, ptr %a3
-  %t84 = load ptr, ptr %a1
-  %t85 = load %S.gen.Val, ptr %a81
-  %t86 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t84, %S.gen.Val %t85)
-  %t87 = load %S.ast.Type, ptr %a4
-  %t88 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t82, { ptr, i64, i64 } %t83, { ptr, i64, i64 } %t86, %S.ast.Type %t87)
-  store { ptr, i64, i64 } %t88, ptr %a89
-  %t90 = load ptr, ptr %a1
-  %t91 = load { ptr, i64, i64 }, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.3422, i64 13, i64 0 }, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.3423, i64 3, i64 0 }, ptr %a98
+  %t80 = call %S.gen.Val @finch.gen.coerce(ptr %t61, %S.gen.Val %t71, %S.ast.Type %t72, %S.ast.Node %t79, { ptr, i64, i64 } { ptr @.str.3575, i64 7, i64 0 })
+  store %S.gen.Val %t71, ptr %a81
+  call void @finch.drop.S_gen_Val(ptr %a81)
+  store %S.gen.Val %t80, ptr %a82
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a3
+  %t85 = load ptr, ptr %a1
+  %t86 = load %S.gen.Val, ptr %a82
+  %t87 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t85, %S.gen.Val %t86)
+  %t88 = load %S.ast.Type, ptr %a4
+  %t89 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t83, { ptr, i64, i64 } %t84, { ptr, i64, i64 } %t87, %S.ast.Type %t88)
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  store { ptr, i64, i64 } %t89, ptr %a91
+  %t92 = load ptr, ptr %a1
+  %t93 = load %S.gen.Val, ptr %a82
+  call void @finch.gen.release(ptr %t92, %S.gen.Val %t93)
+  %t94 = load ptr, ptr %a1
+  %t95 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.3576, i64 13, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
   call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
   %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = call { ptr, i64, i64 } @finch.gen.op(ptr %t90, { ptr, i64, i64 } %t99)
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t102, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.3424, i64 3, i64 0 }, ptr %a104
-  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
-  %t106 = icmp ne i32 %t105, 0
-  br i1 %t106, label %then5249, label %endif5251
-then5249:
-  %t107 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t107, ptr %a108
-  call void @finch_str_copy(ptr %a109, ptr %a108)
-  %t110 = load { ptr, i64, i64 }, ptr %a109
-  %t111 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t110, 0
-  %t112 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3425, i64 4, i64 0 })
-  %t113 = insertvalue %S.gen.Val %t111, %S.ast.Type %t112, 1
-  ret %S.gen.Val %t113
-endif5251:
-  %t114 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t114, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.3426, i64 6, i64 0 }, ptr %a116
-  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
-  %t118 = icmp ne i32 %t117, 0
-  br i1 %t118, label %then5252, label %endif5254
-then5252:
-  %t119 = load ptr, ptr %a1
-  %t120 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t119, { ptr, i64, i64 } { ptr @.str.3427, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t99, ptr %a101
+  store { ptr, i64, i64 } { ptr @.str.3577, i64 3, i64 0 }, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t99, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  %t105 = call { ptr, i64, i64 } @finch.gen.op(ptr %t94, { ptr, i64, i64 } %t104)
+  store { ptr, i64, i64 } %t104, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  store { ptr, i64, i64 } %t105, ptr %a107
+  %t108 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.3578, i64 3, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br i1 %t112, label %then5605, label %endif5607
+then5605:
+  %t113 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t113, ptr %a114
+  call void @finch_str_copy(ptr %a115, ptr %a114)
+  %t116 = load { ptr, i64, i64 }, ptr %a115
+  %t117 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t116, 0
+  %t118 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3579, i64 4, i64 0 })
+  %t119 = insertvalue %S.gen.Val %t117, %S.ast.Type %t118, 1
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a91)
+  call void @finch.drop.S_gen_Val(ptr %a82)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t119
+endif5607:
+  %t120 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t120, ptr %a121
-  %t122 = load ptr, ptr %a1
-  %t123 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t122, { ptr, i64, i64 } { ptr @.str.3428, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t123, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.3580, i64 6, i64 0 }, ptr %a122
+  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
+  %t124 = icmp ne i32 %t123, 0
+  br i1 %t124, label %then5608, label %endif5610
+then5608:
   %t125 = load ptr, ptr %a1
-  %t126 = load { ptr, i64, i64 }, ptr %a101
-  %t127 = load { ptr, i64, i64 }, ptr %a121
-  %t128 = load { ptr, i64, i64 }, ptr %a124
-  call void @finch.gen.condBr(ptr %t125, { ptr, i64, i64 } %t126, { ptr, i64, i64 } %t127, { ptr, i64, i64 } %t128)
-  %t129 = load ptr, ptr %a1
-  %t130 = load { ptr, i64, i64 }, ptr %a121
-  call void @finch.gen.label(ptr %t129, { ptr, i64, i64 } %t130)
+  %t126 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t125, { ptr, i64, i64 } { ptr @.str.3581, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t126, ptr %a127
+  %t128 = load ptr, ptr %a1
+  %t129 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t128, { ptr, i64, i64 } { ptr @.str.3582, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t129, ptr %a130
   %t131 = load ptr, ptr %a1
-  %t132 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.3429, i64 35, i64 0 }, ptr %a134
-  store { ptr, i64, i64 } %t132, ptr %a135
-  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
-  %t136 = load { ptr, i64, i64 }, ptr %a133
-  store { ptr, i64, i64 } %t136, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.3430, i64 6, i64 0 }, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  %t141 = load { ptr, i64, i64 }, ptr %a89
-  store { ptr, i64, i64 } %t140, ptr %a143
-  store { ptr, i64, i64 } %t141, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  %t132 = load { ptr, i64, i64 }, ptr %a107
+  %t133 = load { ptr, i64, i64 }, ptr %a127
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  call void @finch.gen.condBr(ptr %t131, { ptr, i64, i64 } %t132, { ptr, i64, i64 } %t133, { ptr, i64, i64 } %t134)
+  %t135 = load ptr, ptr %a1
+  %t136 = load { ptr, i64, i64 }, ptr %a127
+  call void @finch.gen.label(ptr %t135, { ptr, i64, i64 } %t136)
+  %t137 = load ptr, ptr %a1
+  %t138 = load { ptr, i64, i64 }, ptr %a3
+  %t139 = load %S.ast.Type, ptr %a4
+  %t140 = load { ptr, i64, i64 }, ptr %a91
+  %t141 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t137, { ptr, i64, i64 } %t138, %S.ast.Type %t139, { ptr, i64, i64 } %t140)
+  store { ptr, i64, i64 } %t141, ptr %a142
+  %t143 = load ptr, ptr %a1
+  %t144 = load ptr, ptr %a1
   %t145 = load { ptr, i64, i64 }, ptr %a142
-  store { ptr, i64, i64 } %t145, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.3431, i64 6, i64 0 }, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
+  %t146 = load %S.ast.Type, ptr %a4
+  %t147 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t144, { ptr, i64, i64 } %t145, %S.ast.Type %t146, i64 1)
+  %t148 = load %S.ast.Type, ptr %a21
+  call void @finch.gen.dropAt(ptr %t143, { ptr, i64, i64 } %t147, %S.ast.Type %t148)
+  store { ptr, i64, i64 } %t147, ptr %a149
+  call void @finch_str_drop(ptr %a149)
   %t150 = load ptr, ptr %a1
-  %t151 = load %S.ast.Type, ptr %a4
-  %t152 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t150, %S.ast.Type %t151)
-  store { ptr, i64, i64 } %t149, ptr %a154
-  store { ptr, i64, i64 } %t152, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t156, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.3432, i64 1, i64 0 }, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  call void @finch.gen.emit(ptr %t131, { ptr, i64, i64 } %t160)
-  %t161 = load ptr, ptr %a1
-  %t162 = load { ptr, i64, i64 }, ptr %a124
-  call void @finch.gen.br(ptr %t161, { ptr, i64, i64 } %t162)
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a124
-  call void @finch.gen.label(ptr %t163, { ptr, i64, i64 } %t164)
-  %t165 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t165, ptr %a166
-  call void @finch_str_copy(ptr %a167, ptr %a166)
-  %t168 = load { ptr, i64, i64 }, ptr %a167
-  %t169 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t168, 0
-  %t170 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3433, i64 4, i64 0 })
-  %t171 = insertvalue %S.gen.Val %t169, %S.ast.Type %t170, 1
-  ret %S.gen.Val %t171
-endif5254:
-  %t172 = load ptr, ptr %a1
-  %t173 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t172, { ptr, i64, i64 } { ptr @.str.3434, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t173, ptr %a174
-  %t175 = load ptr, ptr %a1
-  %t176 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t175, { ptr, i64, i64 } { ptr @.str.3435, i64 11, i64 0 })
-  store { ptr, i64, i64 } %t176, ptr %a177
-  %t178 = load ptr, ptr %a1
-  %t179 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t178, { ptr, i64, i64 } { ptr @.str.3436, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t179, ptr %a180
-  %t181 = load ptr, ptr %a1
-  %t182 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t181, { ptr, i64, i64 } { ptr @.str.3437, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t182, ptr %a183
-  %t184 = load ptr, ptr %a1
-  %t185 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t184, { ptr, i64, i64 } { ptr @.str.3438, i64 7, i64 0 })
-  store { ptr, i64, i64 } %t185, ptr %a186
-  %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a101
-  %t189 = load { ptr, i64, i64 }, ptr %a174
-  %t190 = load { ptr, i64, i64 }, ptr %a177
-  call void @finch.gen.condBr(ptr %t187, { ptr, i64, i64 } %t188, { ptr, i64, i64 } %t189, { ptr, i64, i64 } %t190)
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a174
-  call void @finch.gen.label(ptr %t191, { ptr, i64, i64 } %t192)
-  %t193 = load ptr, ptr %a1
+  %t151 = load ptr, ptr %a1
+  %t152 = load { ptr, i64, i64 }, ptr %a142
+  %t153 = load %S.ast.Type, ptr %a4
+  %t154 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t151, { ptr, i64, i64 } %t152, %S.ast.Type %t153, i64 2)
+  %t155 = load %S.ast.Type, ptr %a32
+  call void @finch.gen.dropAt(ptr %t150, { ptr, i64, i64 } %t154, %S.ast.Type %t155)
+  store { ptr, i64, i64 } %t154, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load ptr, ptr %a1
+  %t158 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.3583, i64 35, i64 0 }, ptr %a160
+  store { ptr, i64, i64 } %t158, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  %t162 = load { ptr, i64, i64 }, ptr %a159
+  store { ptr, i64, i64 } %t162, ptr %a164
+  store { ptr, i64, i64 } { ptr @.str.3584, i64 6, i64 0 }, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t162, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  %t168 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } %t167, ptr %a170
+  store { ptr, i64, i64 } %t168, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t167, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t173, ptr %a175
+  store { ptr, i64, i64 } { ptr @.str.3585, i64 6, i64 0 }, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t173, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  %t179 = load ptr, ptr %a1
+  %t180 = load %S.ast.Type, ptr %a4
+  %t181 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t179, %S.ast.Type %t180)
+  store { ptr, i64, i64 } %t178, ptr %a183
+  store { ptr, i64, i64 } %t181, ptr %a184
+  call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
+  store { ptr, i64, i64 } %t178, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  store { ptr, i64, i64 } %t181, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a182
+  store { ptr, i64, i64 } %t187, ptr %a189
+  store { ptr, i64, i64 } { ptr @.str.3586, i64 1, i64 0 }, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  call void @finch.gen.emit(ptr %t157, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a193
+  call void @finch_str_drop(ptr %a193)
   %t194 = load ptr, ptr %a1
-  %t195 = load ptr, ptr %a1
-  %t196 = load %S.ast.Type, ptr %a32
-  %t197 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t195, %S.ast.Type %t196)
-  %t198 = load ptr, ptr %a1
-  %t199 = load ptr, ptr %a1
-  %t200 = load { ptr, i64, i64 }, ptr %a3
-  %t201 = load %S.ast.Type, ptr %a4
-  %t202 = load { ptr, i64, i64 }, ptr %a89
-  %t203 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t199, { ptr, i64, i64 } %t200, %S.ast.Type %t201, { ptr, i64, i64 } %t202)
-  %t204 = load %S.ast.Type, ptr %a4
-  %t205 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t198, { ptr, i64, i64 } %t203, %S.ast.Type %t204, i64 2)
-  %t206 = call { ptr, i64, i64 } @finch.gen.load(ptr %t194, { ptr, i64, i64 } %t197, { ptr, i64, i64 } %t205)
-  %t207 = load %S.ast.Type, ptr %a32
-  %t208 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t193, { ptr, i64, i64 } %t206, %S.ast.Type %t207)
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load ptr, ptr %a1
-  %t211 = load { ptr, i64, i64 }, ptr %a180
-  call void @finch.gen.br(ptr %t210, { ptr, i64, i64 } %t211)
-  %t212 = load ptr, ptr %a1
-  %t213 = load { ptr, i64, i64 }, ptr %a180
-  call void @finch.gen.label(ptr %t212, { ptr, i64, i64 } %t213)
+  %t195 = load { ptr, i64, i64 }, ptr %a130
+  call void @finch.gen.br(ptr %t194, { ptr, i64, i64 } %t195)
+  %t196 = load ptr, ptr %a1
+  %t197 = load { ptr, i64, i64 }, ptr %a130
+  call void @finch.gen.label(ptr %t196, { ptr, i64, i64 } %t197)
+  %t198 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t198, ptr %a199
+  call void @finch_str_copy(ptr %a200, ptr %a199)
+  %t201 = load { ptr, i64, i64 }, ptr %a200
+  %t202 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t201, 0
+  %t203 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3587, i64 4, i64 0 })
+  %t204 = insertvalue %S.gen.Val %t202, %S.ast.Type %t203, 1
+  call void @finch_str_drop(ptr %a142)
+  call void @finch_str_drop(ptr %a130)
+  call void @finch_str_drop(ptr %a127)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a91)
+  call void @finch.drop.S_gen_Val(ptr %a82)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t204
+endif5610:
+  %t205 = load ptr, ptr %a1
+  %t206 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t205, { ptr, i64, i64 } { ptr @.str.3588, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t206, ptr %a207
+  %t208 = load ptr, ptr %a1
+  %t209 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t208, { ptr, i64, i64 } { ptr @.str.3589, i64 11, i64 0 })
+  store { ptr, i64, i64 } %t209, ptr %a210
+  %t211 = load ptr, ptr %a1
+  %t212 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t211, { ptr, i64, i64 } { ptr @.str.3590, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t212, ptr %a213
   %t214 = load ptr, ptr %a1
-  %t215 = load { ptr, i64, i64 }, ptr %a186
-  call void @finch.gen.br(ptr %t214, { ptr, i64, i64 } %t215)
-  %t216 = load ptr, ptr %a1
-  %t217 = load { ptr, i64, i64 }, ptr %a177
-  call void @finch.gen.label(ptr %t216, { ptr, i64, i64 } %t217)
-  %t218 = load ptr, ptr %a1
-  %t219 = load ptr, ptr %a1
+  %t215 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t214, { ptr, i64, i64 } { ptr @.str.3591, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t215, ptr %a216
+  %t217 = load ptr, ptr %a1
+  %t218 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t217, { ptr, i64, i64 } { ptr @.str.3592, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t218, ptr %a219
   %t220 = load ptr, ptr %a1
-  %t221 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t222 = load { ptr, i64, i64 }, ptr %t221
-  %t223 = extractvalue { ptr, i64, i64 } %t222, 1
-  %t224 = icmp uge i64 2, %t223
-  br i1 %t224, label %range5255, label %inrange5256
-range5255:
-  call void @finch_panic_index(ptr @.str.3439, i64 2649, i64 2, i64 %t223)
-  unreachable
-inrange5256:
-  %t225 = extractvalue { ptr, i64, i64 } %t222, 0
-  %t226 = getelementptr inbounds %S.ast.Node, ptr %t225, i64 2
-  %t227 = load %S.ast.Node, ptr %t226
-  %t228 = load %S.ast.Type, ptr %a32
-  %t229 = call %S.gen.Val @finch.gen.exprWant(ptr %t220, %S.ast.Node %t227, %S.ast.Type %t228)
-  %t230 = load %S.ast.Type, ptr %a32
-  %t231 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t232 = load { ptr, i64, i64 }, ptr %t231
-  %t233 = extractvalue { ptr, i64, i64 } %t232, 1
-  %t234 = icmp uge i64 2, %t233
-  br i1 %t234, label %range5257, label %inrange5258
-range5257:
-  call void @finch_panic_index(ptr @.str.3440, i64 2649, i64 2, i64 %t233)
-  unreachable
-inrange5258:
-  %t235 = extractvalue { ptr, i64, i64 } %t232, 0
-  %t236 = getelementptr inbounds %S.ast.Node, ptr %t235, i64 2
-  %t237 = load %S.ast.Node, ptr %t236
-  %t238 = call %S.gen.Val @finch.gen.coerce(ptr %t219, %S.gen.Val %t229, %S.ast.Type %t230, %S.ast.Node %t237, { ptr, i64, i64 } { ptr @.str.3441, i64 11, i64 0 })
-  %t239 = call { ptr, i64, i64 } @finch.gen.own(ptr %t218, %S.gen.Val %t238)
-  store { ptr, i64, i64 } %t239, ptr %a240
-  %t241 = load ptr, ptr %a1
-  %t242 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.br(ptr %t241, { ptr, i64, i64 } %t242)
-  %t243 = load ptr, ptr %a1
-  %t244 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.label(ptr %t243, { ptr, i64, i64 } %t244)
-  %t245 = load ptr, ptr %a1
-  %t246 = load { ptr, i64, i64 }, ptr %a186
-  call void @finch.gen.br(ptr %t245, { ptr, i64, i64 } %t246)
+  %t221 = load { ptr, i64, i64 }, ptr %a107
+  %t222 = load { ptr, i64, i64 }, ptr %a207
+  %t223 = load { ptr, i64, i64 }, ptr %a210
+  call void @finch.gen.condBr(ptr %t220, { ptr, i64, i64 } %t221, { ptr, i64, i64 } %t222, { ptr, i64, i64 } %t223)
+  %t224 = load ptr, ptr %a1
+  %t225 = load { ptr, i64, i64 }, ptr %a207
+  call void @finch.gen.label(ptr %t224, { ptr, i64, i64 } %t225)
+  %t226 = load ptr, ptr %a1
+  %t227 = load ptr, ptr %a1
+  %t228 = load ptr, ptr %a1
+  %t229 = load %S.ast.Type, ptr %a32
+  %t230 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t228, %S.ast.Type %t229)
+  %t231 = load ptr, ptr %a1
+  %t232 = load ptr, ptr %a1
+  %t233 = load { ptr, i64, i64 }, ptr %a3
+  %t234 = load %S.ast.Type, ptr %a4
+  %t235 = load { ptr, i64, i64 }, ptr %a91
+  %t236 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t232, { ptr, i64, i64 } %t233, %S.ast.Type %t234, { ptr, i64, i64 } %t235)
+  %t237 = load %S.ast.Type, ptr %a4
+  %t238 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t231, { ptr, i64, i64 } %t236, %S.ast.Type %t237, i64 2)
+  store { ptr, i64, i64 } %t236, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  %t240 = call { ptr, i64, i64 } @finch.gen.load(ptr %t227, { ptr, i64, i64 } %t230, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t230, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  store { ptr, i64, i64 } %t238, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load %S.ast.Type, ptr %a32
+  %t244 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t226, { ptr, i64, i64 } %t240, %S.ast.Type %t243)
+  store { ptr, i64, i64 } %t240, ptr %a245
+  call void @finch_str_drop(ptr %a245)
+  store { ptr, i64, i64 } %t244, ptr %a246
   %t247 = load ptr, ptr %a1
-  %t248 = load { ptr, i64, i64 }, ptr %a186
-  call void @finch.gen.label(ptr %t247, { ptr, i64, i64 } %t248)
+  %t248 = load { ptr, i64, i64 }, ptr %a213
+  call void @finch.gen.br(ptr %t247, { ptr, i64, i64 } %t248)
   %t249 = load ptr, ptr %a1
-  %t250 = load ptr, ptr %a1
-  %t251 = load %S.ast.Type, ptr %a32
-  %t252 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t250, %S.ast.Type %t251)
-  store { ptr, i64, i64 } { ptr @.str.3442, i64 4, i64 0 }, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.3443, i64 3, i64 0 }, ptr %a259
-  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
-  %t260 = load { ptr, i64, i64 }, ptr %a257
-  %t261 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t260, ptr %a263
-  store { ptr, i64, i64 } %t261, ptr %a264
-  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
-  %t265 = load { ptr, i64, i64 }, ptr %a262
-  store { ptr, i64, i64 } %t265, ptr %a267
-  store { ptr, i64, i64 } { ptr @.str.3444, i64 3, i64 0 }, ptr %a268
-  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
-  %t269 = load { ptr, i64, i64 }, ptr %a266
-  %t270 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t269, ptr %a272
-  store { ptr, i64, i64 } %t270, ptr %a273
-  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
-  %t274 = load { ptr, i64, i64 }, ptr %a271
-  store { ptr, i64, i64 } %t274, ptr %a276
-  store { ptr, i64, i64 } { ptr @.str.3445, i64 6, i64 0 }, ptr %a277
-  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
-  %t278 = load { ptr, i64, i64 }, ptr %a275
-  %t279 = load { ptr, i64, i64 }, ptr %a240
-  store { ptr, i64, i64 } %t278, ptr %a281
-  store { ptr, i64, i64 } %t279, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } %t283, ptr %a285
-  store { ptr, i64, i64 } { ptr @.str.3446, i64 3, i64 0 }, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  %t288 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t287, ptr %a290
-  store { ptr, i64, i64 } %t288, ptr %a291
-  call void @finch_str_concat(ptr %a289, ptr %a290, ptr %a291)
-  %t292 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t292, ptr %a294
-  store { ptr, i64, i64 } { ptr @.str.3447, i64 2, i64 0 }, ptr %a295
-  call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
-  %t296 = load { ptr, i64, i64 }, ptr %a293
-  %t297 = call { ptr, i64, i64 } @finch.gen.op(ptr %t249, { ptr, i64, i64 } %t296)
-  %t298 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t297, 0
-  %t299 = load %S.ast.Type, ptr %a32
-  store %S.ast.Type %t299, ptr %a300
-  call void @finch.copy.S_ast_Type(ptr %a301, ptr %a300)
-  %t302 = load %S.ast.Type, ptr %a301
-  %t303 = insertvalue %S.gen.Val %t298, %S.ast.Type %t302, 1
-  %t304 = load ptr, ptr %a1
-  %t305 = load %S.ast.Type, ptr %a32
-  %t306 = call i1 @finch.gen.owning(ptr %t304, %S.ast.Type %t305)
-  %t307 = insertvalue %S.gen.Val %t303, i1 %t306, 2
-  ret %S.gen.Val %t307
-endif5241:
-  %t308 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t308, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.3448, i64 5, i64 0 }, ptr %a310
-  %t311 = call i32 @finch_str_eq(ptr %a309, ptr %a310)
-  %t312 = icmp ne i32 %t311, 0
-  br i1 %t312, label %then5259, label %endif5261
-then5259:
-  %t313 = load ptr, ptr %a1
-  %t314 = load %S.ast.Node, ptr %a2
-  %t315 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.checkArgs(ptr %t313, %S.ast.Node %t314, i64 1, i64 0, { ptr, i64, i64 } %t315)
-  %t316 = load ptr, ptr %a1
-  %t317 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.3449, i64 31, i64 0 }, ptr %a319
-  store { ptr, i64, i64 } %t317, ptr %a320
-  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
-  %t321 = load { ptr, i64, i64 }, ptr %a318
-  store { ptr, i64, i64 } %t321, ptr %a323
-  store { ptr, i64, i64 } { ptr @.str.3450, i64 1, i64 0 }, ptr %a324
-  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
-  %t325 = load { ptr, i64, i64 }, ptr %a322
-  call void @finch.gen.emit(ptr %t316, { ptr, i64, i64 } %t325)
-  %t326 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3451, i64 4, i64 0 })
-  %t327 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t326, 1
-  ret %S.gen.Val %t327
-endif5261:
-  %t328 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t328, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.3452, i64 4, i64 0 }, ptr %a330
-  %t331 = call i32 @finch_str_eq(ptr %a329, ptr %a330)
-  %t332 = icmp ne i32 %t331, 0
-  br label %logic.from5262
-logic.from5262:
-  br i1 %t332, label %logic.end5264, label %logic.rhs5263
-logic.rhs5263:
-  %t333 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t333, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.3453, i64 6, i64 0 }, ptr %a335
-  %t336 = call i32 @finch_str_eq(ptr %a334, ptr %a335)
-  %t337 = icmp ne i32 %t336, 0
-  br label %logic.rend5265
-logic.rend5265:
-  br label %logic.end5264
-logic.end5264:
-  %t338 = phi i1 [ true, %logic.from5262 ], [ %t337, %logic.rend5265 ]
-  br i1 %t338, label %then5266, label %endif5268
-then5266:
-  %t339 = load ptr, ptr %a1
-  %t340 = load %S.ast.Node, ptr %a2
-  %t341 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.checkArgs(ptr %t339, %S.ast.Node %t340, i64 1, i64 0, { ptr, i64, i64 } %t341)
-  store i64 1, ptr %a342
-  %t343 = load %S.ast.Type, ptr %a21
-  store %S.ast.Type %t343, ptr %a344
-  call void @finch.copy.S_ast_Type(ptr %a345, ptr %a344)
-  %t346 = load %S.ast.Type, ptr %a345
-  store %S.ast.Type %t346, ptr %a347
-  %t348 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t348, ptr %a349
-  store { ptr, i64, i64 } { ptr @.str.3454, i64 6, i64 0 }, ptr %a350
-  %t351 = call i32 @finch_str_eq(ptr %a349, ptr %a350)
-  %t352 = icmp ne i32 %t351, 0
-  br i1 %t352, label %then5269, label %endif5271
-then5269:
-  store i64 2, ptr %a342
-  %t353 = load %S.ast.Type, ptr %a32
-  store %S.ast.Type %t353, ptr %a354
-  call void @finch.copy.S_ast_Type(ptr %a355, ptr %a354)
-  %t356 = load %S.ast.Type, ptr %a355
-  store %S.ast.Type %t356, ptr %a347
-  br label %endif5271
-endif5271:
-  %t357 = load %S.ast.Type, ptr %a347
-  %t358 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t357)
-  store %S.ast.Type %t358, ptr %a359
-  %t360 = load ptr, ptr %a1
-  %t361 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t360, { ptr, i64, i64 } { ptr @.str.3455, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t361, ptr %a362
-  %t363 = load ptr, ptr %a1
-  %t364 = load { ptr, i64, i64 }, ptr %a362
-  call void @finch.gen.store(ptr %t363, { ptr, i64, i64 } { ptr @.str.3456, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3457, i64 15, i64 0 }, { ptr, i64, i64 } %t364)
-  %t365 = load ptr, ptr %a1
-  %t366 = load ptr, ptr %a1
-  %t367 = load ptr, ptr %a1
-  %t368 = load %S.ast.Type, ptr %a4
-  %t369 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t367, %S.ast.Type %t368)
-  store { ptr, i64, i64 } { ptr @.str.3459, i64 23, i64 0 }, ptr %a371
-  store { ptr, i64, i64 } %t369, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } %t373, ptr %a375
-  store { ptr, i64, i64 } { ptr @.str.3460, i64 6, i64 0 }, ptr %a376
-  call void @finch_str_concat(ptr %a374, ptr %a375, ptr %a376)
-  %t377 = load { ptr, i64, i64 }, ptr %a374
-  %t378 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t377, ptr %a380
-  store { ptr, i64, i64 } %t378, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  store { ptr, i64, i64 } %t382, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.3461, i64 14, i64 0 }, ptr %a385
-  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
-  %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = call { ptr, i64, i64 } @finch.gen.op(ptr %t366, { ptr, i64, i64 } %t386)
-  %t388 = call { ptr, i64, i64 } @finch.gen.load(ptr %t365, { ptr, i64, i64 } { ptr @.str.3458, i64 3, i64 0 }, { ptr, i64, i64 } %t387)
-  store { ptr, i64, i64 } %t388, ptr %a389
-  %t390 = load ptr, ptr %a1
-  %t391 = load { ptr, i64, i64 }, ptr %a362
-  store { ptr, i64, i64 } { ptr @.str.3462, i64 30, i64 0 }, ptr %a393
-  store { ptr, i64, i64 } %t391, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  store { ptr, i64, i64 } %t395, ptr %a397
-  store { ptr, i64, i64 } { ptr @.str.3463, i64 6, i64 0 }, ptr %a398
-  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
-  %t399 = load { ptr, i64, i64 }, ptr %a396
-  %t400 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t399, ptr %a402
-  store { ptr, i64, i64 } %t400, ptr %a403
-  call void @finch_str_concat(ptr %a401, ptr %a402, ptr %a403)
-  %t404 = load { ptr, i64, i64 }, ptr %a401
-  store { ptr, i64, i64 } %t404, ptr %a406
-  store { ptr, i64, i64 } { ptr @.str.3464, i64 6, i64 0 }, ptr %a407
-  call void @finch_str_concat(ptr %a405, ptr %a406, ptr %a407)
-  %t408 = load { ptr, i64, i64 }, ptr %a405
-  %t409 = load ptr, ptr %a1
-  %t410 = load %S.ast.Type, ptr %a347
-  %t411 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t409, %S.ast.Type %t410)
-  store { ptr, i64, i64 } %t408, ptr %a413
-  store { ptr, i64, i64 } %t411, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  store { ptr, i64, i64 } %t415, ptr %a417
-  store { ptr, i64, i64 } { ptr @.str.3465, i64 1, i64 0 }, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  call void @finch.gen.emit(ptr %t390, { ptr, i64, i64 } %t419)
-  %t420 = load ptr, ptr %a1
-  %t421 = load { ptr, i64, i64 }, ptr %a362
-  %t422 = call { ptr, i64, i64 } @finch.gen.load(ptr %t420, { ptr, i64, i64 } { ptr @.str.3466, i64 3, i64 0 }, { ptr, i64, i64 } %t421)
-  store { ptr, i64, i64 } %t422, ptr %a423
-  %t424 = load ptr, ptr %a1
-  %t425 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t424, { ptr, i64, i64 } { ptr @.str.3467, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t425, ptr %a426
-  %t427 = load ptr, ptr %a1
-  %t428 = load { ptr, i64, i64 }, ptr %a426
-  call void @finch.gen.store(ptr %t427, { ptr, i64, i64 } { ptr @.str.3468, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3469, i64 1, i64 0 }, { ptr, i64, i64 } %t428)
-  %t429 = load ptr, ptr %a1
-  %t430 = load ptr, ptr %a1
-  %t431 = load ptr, ptr %a1
-  %t432 = load %S.ast.Type, ptr %a4
-  %t433 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t431, %S.ast.Type %t432)
-  store { ptr, i64, i64 } { ptr @.str.3471, i64 23, i64 0 }, ptr %a435
-  store { ptr, i64, i64 } %t433, ptr %a436
-  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
-  %t437 = load { ptr, i64, i64 }, ptr %a434
-  store { ptr, i64, i64 } %t437, ptr %a439
-  store { ptr, i64, i64 } { ptr @.str.3472, i64 6, i64 0 }, ptr %a440
-  call void @finch_str_concat(ptr %a438, ptr %a439, ptr %a440)
-  %t441 = load { ptr, i64, i64 }, ptr %a438
-  %t442 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t441, ptr %a444
-  store { ptr, i64, i64 } %t442, ptr %a445
-  call void @finch_str_concat(ptr %a443, ptr %a444, ptr %a445)
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  store { ptr, i64, i64 } %t446, ptr %a448
-  store { ptr, i64, i64 } { ptr @.str.3473, i64 14, i64 0 }, ptr %a449
-  call void @finch_str_concat(ptr %a447, ptr %a448, ptr %a449)
-  %t450 = load { ptr, i64, i64 }, ptr %a447
-  %t451 = call { ptr, i64, i64 } @finch.gen.op(ptr %t430, { ptr, i64, i64 } %t450)
-  %t452 = call { ptr, i64, i64 } @finch.gen.load(ptr %t429, { ptr, i64, i64 } { ptr @.str.3470, i64 3, i64 0 }, { ptr, i64, i64 } %t451)
-  store { ptr, i64, i64 } %t452, ptr %a453
-  %t454 = load ptr, ptr %a1
-  %t455 = load { ptr, i64, i64 }, ptr %a453
-  %t456 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t454, { ptr, i64, i64 } %t455)
-  store { ptr, i64, i64 } %t456, ptr %a457
-  %t458 = load ptr, ptr %a1
-  %t459 = load { ptr, i64, i64 }, ptr %a3
-  %t460 = load %S.ast.Type, ptr %a4
-  %t461 = load { ptr, i64, i64 }, ptr %a457
-  %t462 = extractvalue { ptr, i64, i64 } %t461, 1
-  %t463 = icmp uge i64 3, %t462
-  br i1 %t463, label %range5272, label %inrange5273
-range5272:
-  call void @finch_panic_index(ptr @.str.3474, i64 2679, i64 3, i64 %t462)
+  %t250 = load { ptr, i64, i64 }, ptr %a213
+  call void @finch.gen.label(ptr %t249, { ptr, i64, i64 } %t250)
+  %t251 = load ptr, ptr %a1
+  %t252 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.br(ptr %t251, { ptr, i64, i64 } %t252)
+  %t253 = load ptr, ptr %a1
+  %t254 = load { ptr, i64, i64 }, ptr %a210
+  call void @finch.gen.label(ptr %t253, { ptr, i64, i64 } %t254)
+  %t255 = load ptr, ptr %a1
+  %t256 = load ptr, ptr %a1
+  %t257 = load ptr, ptr %a1
+  %t258 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t259 = load { ptr, i64, i64 }, ptr %t258
+  %t260 = extractvalue { ptr, i64, i64 } %t259, 1
+  %t261 = icmp uge i64 2, %t260
+  br i1 %t261, label %range5611, label %inrange5612
+range5611:
+  call void @finch_panic_index(ptr @.str.3593, i64 2882, i64 2, i64 %t260)
   unreachable
-inrange5273:
-  %t464 = extractvalue { ptr, i64, i64 } %t461, 0
-  %t465 = getelementptr inbounds { ptr, i64, i64 }, ptr %t464, i64 3
-  %t466 = load { ptr, i64, i64 }, ptr %t465
-  %t467 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t458, { ptr, i64, i64 } %t459, %S.ast.Type %t460, { ptr, i64, i64 } %t466)
-  store { ptr, i64, i64 } %t467, ptr %a468
+inrange5612:
+  %t262 = extractvalue { ptr, i64, i64 } %t259, 0
+  %t263 = getelementptr inbounds %S.ast.Node, ptr %t262, i64 2
+  %t264 = load %S.ast.Node, ptr %t263
+  %t265 = load %S.ast.Type, ptr %a32
+  %t266 = call %S.gen.Val @finch.gen.exprWant(ptr %t257, %S.ast.Node %t264, %S.ast.Type %t265)
+  %t267 = load %S.ast.Type, ptr %a32
+  %t268 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t269 = load { ptr, i64, i64 }, ptr %t268
+  %t270 = extractvalue { ptr, i64, i64 } %t269, 1
+  %t271 = icmp uge i64 2, %t270
+  br i1 %t271, label %range5613, label %inrange5614
+range5613:
+  call void @finch_panic_index(ptr @.str.3594, i64 2882, i64 2, i64 %t270)
+  unreachable
+inrange5614:
+  %t272 = extractvalue { ptr, i64, i64 } %t269, 0
+  %t273 = getelementptr inbounds %S.ast.Node, ptr %t272, i64 2
+  %t274 = load %S.ast.Node, ptr %t273
+  %t275 = call %S.gen.Val @finch.gen.coerce(ptr %t256, %S.gen.Val %t266, %S.ast.Type %t267, %S.ast.Node %t274, { ptr, i64, i64 } { ptr @.str.3595, i64 11, i64 0 })
+  store %S.gen.Val %t266, ptr %a276
+  call void @finch.drop.S_gen_Val(ptr %a276)
+  %t277 = call { ptr, i64, i64 } @finch.gen.own(ptr %t255, %S.gen.Val %t275)
+  store %S.gen.Val %t275, ptr %a278
+  call void @finch.drop.S_gen_Val(ptr %a278)
+  store { ptr, i64, i64 } %t277, ptr %a279
+  %t280 = load ptr, ptr %a1
+  %t281 = load { ptr, i64, i64 }, ptr %a216
+  call void @finch.gen.br(ptr %t280, { ptr, i64, i64 } %t281)
+  %t282 = load ptr, ptr %a1
+  %t283 = load { ptr, i64, i64 }, ptr %a216
+  call void @finch.gen.label(ptr %t282, { ptr, i64, i64 } %t283)
+  %t284 = load ptr, ptr %a1
+  %t285 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.br(ptr %t284, { ptr, i64, i64 } %t285)
+  %t286 = load ptr, ptr %a1
+  %t287 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.label(ptr %t286, { ptr, i64, i64 } %t287)
+  %t288 = load ptr, ptr %a1
+  %t289 = load ptr, ptr %a1
+  %t290 = load %S.ast.Type, ptr %a32
+  %t291 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t289, %S.ast.Type %t290)
+  store { ptr, i64, i64 } { ptr @.str.3596, i64 4, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t296, ptr %a298
+  store { ptr, i64, i64 } { ptr @.str.3597, i64 3, i64 0 }, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  store { ptr, i64, i64 } %t296, ptr %a300
+  call void @finch_str_drop(ptr %a300)
+  %t301 = load { ptr, i64, i64 }, ptr %a297
+  %t302 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t301, ptr %a304
+  store { ptr, i64, i64 } %t302, ptr %a305
+  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
+  store { ptr, i64, i64 } %t301, ptr %a306
+  call void @finch_str_drop(ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a303
+  store { ptr, i64, i64 } %t307, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.3598, i64 3, i64 0 }, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t307, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = load { ptr, i64, i64 }, ptr %a308
+  %t313 = load { ptr, i64, i64 }, ptr %a213
+  store { ptr, i64, i64 } %t312, ptr %a315
+  store { ptr, i64, i64 } %t313, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t312, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t318, ptr %a320
+  store { ptr, i64, i64 } { ptr @.str.3599, i64 6, i64 0 }, ptr %a321
+  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
+  store { ptr, i64, i64 } %t318, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  %t323 = load { ptr, i64, i64 }, ptr %a319
+  %t324 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t323, ptr %a326
+  store { ptr, i64, i64 } %t324, ptr %a327
+  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
+  store { ptr, i64, i64 } %t323, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a325
+  store { ptr, i64, i64 } %t329, ptr %a331
+  store { ptr, i64, i64 } { ptr @.str.3600, i64 3, i64 0 }, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  store { ptr, i64, i64 } %t329, ptr %a333
+  call void @finch_str_drop(ptr %a333)
+  %t334 = load { ptr, i64, i64 }, ptr %a330
+  %t335 = load { ptr, i64, i64 }, ptr %a216
+  store { ptr, i64, i64 } %t334, ptr %a337
+  store { ptr, i64, i64 } %t335, ptr %a338
+  call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
+  store { ptr, i64, i64 } %t334, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
+  store { ptr, i64, i64 } %t340, ptr %a342
+  store { ptr, i64, i64 } { ptr @.str.3601, i64 2, i64 0 }, ptr %a343
+  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
+  store { ptr, i64, i64 } %t340, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load { ptr, i64, i64 }, ptr %a341
+  %t346 = call { ptr, i64, i64 } @finch.gen.op(ptr %t288, { ptr, i64, i64 } %t345)
+  store { ptr, i64, i64 } %t345, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t346, 0
+  %t349 = load %S.ast.Type, ptr %a32
+  store %S.ast.Type %t349, ptr %a350
+  call void @finch.copy.S_ast_Type(ptr %a351, ptr %a350)
+  %t352 = load %S.ast.Type, ptr %a351
+  %t353 = insertvalue %S.gen.Val %t348, %S.ast.Type %t352, 1
+  %t354 = load ptr, ptr %a1
+  %t355 = load %S.ast.Type, ptr %a32
+  %t356 = call i1 @finch.gen.owning(ptr %t354, %S.ast.Type %t355)
+  %t357 = insertvalue %S.gen.Val %t353, i1 %t356, 2
+  call void @finch_str_drop(ptr %a279)
+  call void @finch_str_drop(ptr %a246)
+  call void @finch_str_drop(ptr %a219)
+  call void @finch_str_drop(ptr %a216)
+  call void @finch_str_drop(ptr %a213)
+  call void @finch_str_drop(ptr %a210)
+  call void @finch_str_drop(ptr %a207)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a91)
+  call void @finch.drop.S_gen_Val(ptr %a82)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t357
+endif5597:
+  %t358 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t358, ptr %a359
+  store { ptr, i64, i64 } { ptr @.str.3602, i64 5, i64 0 }, ptr %a360
+  %t361 = call i32 @finch_str_eq(ptr %a359, ptr %a360)
+  %t362 = icmp ne i32 %t361, 0
+  br i1 %t362, label %then5615, label %endif5617
+then5615:
+  %t363 = load ptr, ptr %a1
+  %t364 = load %S.ast.Node, ptr %a2
+  %t365 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.checkArgs(ptr %t363, %S.ast.Node %t364, i64 1, i64 0, { ptr, i64, i64 } %t365)
+  %t366 = load ptr, ptr %a1
+  %t367 = load %S.ast.Type, ptr %a21
+  %t368 = call i1 @finch.gen.owning(ptr %t366, %S.ast.Type %t367)
+  br label %logic.from5618
+logic.from5618:
+  br i1 %t368, label %logic.end5620, label %logic.rhs5619
+logic.rhs5619:
+  %t369 = load ptr, ptr %a1
+  %t370 = load %S.ast.Type, ptr %a32
+  %t371 = call i1 @finch.gen.owning(ptr %t369, %S.ast.Type %t370)
+  br label %logic.rend5621
+logic.rend5621:
+  br label %logic.end5620
+logic.end5620:
+  %t372 = phi i1 [ true, %logic.from5618 ], [ %t371, %logic.rend5621 ]
+  br i1 %t372, label %then5622, label %endif5624
+then5622:
+  %t373 = load ptr, ptr %a1
+  %t374 = load ptr, ptr %a1
+  %t375 = load ptr, ptr %a1
+  %t376 = load %S.ast.Type, ptr %a4
+  %t377 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t375, %S.ast.Type %t376)
+  store { ptr, i64, i64 } { ptr @.str.3604, i64 23, i64 0 }, ptr %a379
+  store { ptr, i64, i64 } %t377, ptr %a380
+  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
+  store { ptr, i64, i64 } %t377, ptr %a381
+  call void @finch_str_drop(ptr %a381)
+  %t382 = load { ptr, i64, i64 }, ptr %a378
+  store { ptr, i64, i64 } %t382, ptr %a384
+  store { ptr, i64, i64 } { ptr @.str.3605, i64 6, i64 0 }, ptr %a385
+  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
+  store { ptr, i64, i64 } %t382, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  %t387 = load { ptr, i64, i64 }, ptr %a383
+  %t388 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t387, ptr %a390
+  store { ptr, i64, i64 } %t388, ptr %a391
+  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
+  store { ptr, i64, i64 } %t387, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  store { ptr, i64, i64 } %t393, ptr %a395
+  store { ptr, i64, i64 } { ptr @.str.3606, i64 14, i64 0 }, ptr %a396
+  call void @finch_str_concat(ptr %a394, ptr %a395, ptr %a396)
+  store { ptr, i64, i64 } %t393, ptr %a397
+  call void @finch_str_drop(ptr %a397)
+  %t398 = load { ptr, i64, i64 }, ptr %a394
+  %t399 = call { ptr, i64, i64 } @finch.gen.op(ptr %t374, { ptr, i64, i64 } %t398)
+  store { ptr, i64, i64 } %t398, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = call { ptr, i64, i64 } @finch.gen.load(ptr %t373, { ptr, i64, i64 } { ptr @.str.3603, i64 3, i64 0 }, { ptr, i64, i64 } %t399)
+  store { ptr, i64, i64 } %t399, ptr %a402
+  call void @finch_str_drop(ptr %a402)
+  store { ptr, i64, i64 } %t401, ptr %a403
+  %t404 = load ptr, ptr %a1
+  %t405 = load { ptr, i64, i64 }, ptr %a403
+  %t406 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t404, { ptr, i64, i64 } %t405)
+  store { ptr, i64, i64 } %t406, ptr %a407
+  %t408 = load ptr, ptr %a1
+  %t409 = load { ptr, i64, i64 }, ptr %a3
+  %t410 = load %S.ast.Type, ptr %a4
+  %t411 = load { ptr, i64, i64 }, ptr %a407
+  %t412 = extractvalue { ptr, i64, i64 } %t411, 1
+  %t413 = icmp uge i64 3, %t412
+  br i1 %t413, label %range5625, label %inrange5626
+range5625:
+  call void @finch_panic_index(ptr @.str.3607, i64 2894, i64 3, i64 %t412)
+  unreachable
+inrange5626:
+  %t414 = extractvalue { ptr, i64, i64 } %t411, 0
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %t414, i64 3
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  %t417 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t408, { ptr, i64, i64 } %t409, %S.ast.Type %t410, { ptr, i64, i64 } %t416)
+  store { ptr, i64, i64 } %t417, ptr %a418
+  %t419 = load ptr, ptr %a1
+  %t420 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t419, { ptr, i64, i64 } { ptr @.str.3608, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t420, ptr %a421
+  %t422 = load ptr, ptr %a1
+  %t423 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t422, { ptr, i64, i64 } { ptr @.str.3609, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t423, ptr %a424
+  %t425 = load ptr, ptr %a1
+  %t426 = load ptr, ptr %a1
+  %t427 = load ptr, ptr %a1
+  %t428 = load ptr, ptr %a1
+  %t429 = load { ptr, i64, i64 }, ptr %a418
+  %t430 = load %S.ast.Type, ptr %a4
+  %t431 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t428, { ptr, i64, i64 } %t429, %S.ast.Type %t430, i64 0)
+  %t432 = call { ptr, i64, i64 } @finch.gen.load(ptr %t427, { ptr, i64, i64 } { ptr @.str.3611, i64 3, i64 0 }, { ptr, i64, i64 } %t431)
+  store { ptr, i64, i64 } %t431, ptr %a433
+  call void @finch_str_drop(ptr %a433)
+  store { ptr, i64, i64 } { ptr @.str.3610, i64 12, i64 0 }, ptr %a435
+  store { ptr, i64, i64 } %t432, ptr %a436
+  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
+  store { ptr, i64, i64 } %t432, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a434
+  store { ptr, i64, i64 } %t438, ptr %a440
+  store { ptr, i64, i64 } { ptr @.str.3612, i64 3, i64 0 }, ptr %a441
+  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
+  store { ptr, i64, i64 } %t438, ptr %a442
+  call void @finch_str_drop(ptr %a442)
+  %t443 = load { ptr, i64, i64 }, ptr %a439
+  %t444 = call { ptr, i64, i64 } @finch.gen.op(ptr %t426, { ptr, i64, i64 } %t443)
+  store { ptr, i64, i64 } %t443, ptr %a445
+  call void @finch_str_drop(ptr %a445)
+  %t446 = load { ptr, i64, i64 }, ptr %a421
+  %t447 = load { ptr, i64, i64 }, ptr %a424
+  call void @finch.gen.condBr(ptr %t425, { ptr, i64, i64 } %t444, { ptr, i64, i64 } %t446, { ptr, i64, i64 } %t447)
+  store { ptr, i64, i64 } %t444, ptr %a448
+  call void @finch_str_drop(ptr %a448)
+  %t449 = load ptr, ptr %a1
+  %t450 = load { ptr, i64, i64 }, ptr %a421
+  call void @finch.gen.label(ptr %t449, { ptr, i64, i64 } %t450)
+  %t451 = load ptr, ptr %a1
+  %t452 = load ptr, ptr %a1
+  %t453 = load { ptr, i64, i64 }, ptr %a418
+  %t454 = load %S.ast.Type, ptr %a4
+  %t455 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t452, { ptr, i64, i64 } %t453, %S.ast.Type %t454, i64 1)
+  %t456 = load %S.ast.Type, ptr %a21
+  call void @finch.gen.dropAt(ptr %t451, { ptr, i64, i64 } %t455, %S.ast.Type %t456)
+  store { ptr, i64, i64 } %t455, ptr %a457
+  call void @finch_str_drop(ptr %a457)
+  %t458 = load ptr, ptr %a1
+  %t459 = load ptr, ptr %a1
+  %t460 = load { ptr, i64, i64 }, ptr %a418
+  %t461 = load %S.ast.Type, ptr %a4
+  %t462 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t459, { ptr, i64, i64 } %t460, %S.ast.Type %t461, i64 2)
+  %t463 = load %S.ast.Type, ptr %a32
+  call void @finch.gen.dropAt(ptr %t458, { ptr, i64, i64 } %t462, %S.ast.Type %t463)
+  store { ptr, i64, i64 } %t462, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  %t465 = load ptr, ptr %a1
+  %t466 = load { ptr, i64, i64 }, ptr %a424
+  call void @finch.gen.br(ptr %t465, { ptr, i64, i64 } %t466)
+  %t467 = load ptr, ptr %a1
+  %t468 = load { ptr, i64, i64 }, ptr %a424
+  call void @finch.gen.label(ptr %t467, { ptr, i64, i64 } %t468)
   %t469 = load ptr, ptr %a1
-  %t470 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t469, { ptr, i64, i64 } { ptr @.str.3475, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t470, ptr %a471
-  %t472 = load ptr, ptr %a1
-  %t473 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t472, { ptr, i64, i64 } { ptr @.str.3476, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t473, ptr %a474
-  %t475 = load ptr, ptr %a1
-  %t476 = load ptr, ptr %a1
-  %t477 = load ptr, ptr %a1
-  %t478 = load ptr, ptr %a1
-  %t479 = load { ptr, i64, i64 }, ptr %a468
-  %t480 = load %S.ast.Type, ptr %a4
-  %t481 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t478, { ptr, i64, i64 } %t479, %S.ast.Type %t480, i64 0)
-  %t482 = call { ptr, i64, i64 } @finch.gen.load(ptr %t477, { ptr, i64, i64 } { ptr @.str.3478, i64 3, i64 0 }, { ptr, i64, i64 } %t481)
-  store { ptr, i64, i64 } { ptr @.str.3477, i64 12, i64 0 }, ptr %a484
-  store { ptr, i64, i64 } %t482, ptr %a485
-  call void @finch_str_concat(ptr %a483, ptr %a484, ptr %a485)
-  %t486 = load { ptr, i64, i64 }, ptr %a483
-  store { ptr, i64, i64 } %t486, ptr %a488
-  store { ptr, i64, i64 } { ptr @.str.3479, i64 3, i64 0 }, ptr %a489
-  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  %t491 = call { ptr, i64, i64 } @finch.gen.op(ptr %t476, { ptr, i64, i64 } %t490)
-  %t492 = load { ptr, i64, i64 }, ptr %a471
-  %t493 = load { ptr, i64, i64 }, ptr %a474
-  call void @finch.gen.condBr(ptr %t475, { ptr, i64, i64 } %t491, { ptr, i64, i64 } %t492, { ptr, i64, i64 } %t493)
-  %t494 = load ptr, ptr %a1
-  %t495 = load { ptr, i64, i64 }, ptr %a471
-  call void @finch.gen.label(ptr %t494, { ptr, i64, i64 } %t495)
+  %t470 = load { ptr, i64, i64 }, ptr %a407
+  call void @finch.gen.loopEnd(ptr %t469, { ptr, i64, i64 } %t470)
+  call void @finch_str_drop(ptr %a424)
+  call void @finch_str_drop(ptr %a421)
+  call void @finch_str_drop(ptr %a418)
+  call void @finch.drop.arr_str(ptr %a407)
+  call void @finch_str_drop(ptr %a403)
+  br label %endif5624
+endif5624:
+  %t471 = load ptr, ptr %a1
+  %t472 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.3613, i64 31, i64 0 }, ptr %a474
+  store { ptr, i64, i64 } %t472, ptr %a475
+  call void @finch_str_concat(ptr %a473, ptr %a474, ptr %a475)
+  %t476 = load { ptr, i64, i64 }, ptr %a473
+  store { ptr, i64, i64 } %t476, ptr %a478
+  store { ptr, i64, i64 } { ptr @.str.3614, i64 1, i64 0 }, ptr %a479
+  call void @finch_str_concat(ptr %a477, ptr %a478, ptr %a479)
+  store { ptr, i64, i64 } %t476, ptr %a480
+  call void @finch_str_drop(ptr %a480)
+  %t481 = load { ptr, i64, i64 }, ptr %a477
+  call void @finch.gen.emit(ptr %t471, { ptr, i64, i64 } %t481)
+  store { ptr, i64, i64 } %t481, ptr %a482
+  call void @finch_str_drop(ptr %a482)
+  %t483 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3615, i64 4, i64 0 })
+  %t484 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t483, 1
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t484
+endif5617:
+  %t485 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t485, ptr %a486
+  store { ptr, i64, i64 } { ptr @.str.3616, i64 4, i64 0 }, ptr %a487
+  %t488 = call i32 @finch_str_eq(ptr %a486, ptr %a487)
+  %t489 = icmp ne i32 %t488, 0
+  br label %logic.from5627
+logic.from5627:
+  br i1 %t489, label %logic.end5629, label %logic.rhs5628
+logic.rhs5628:
+  %t490 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t490, ptr %a491
+  store { ptr, i64, i64 } { ptr @.str.3617, i64 6, i64 0 }, ptr %a492
+  %t493 = call i32 @finch_str_eq(ptr %a491, ptr %a492)
+  %t494 = icmp ne i32 %t493, 0
+  br label %logic.rend5630
+logic.rend5630:
+  br label %logic.end5629
+logic.end5629:
+  %t495 = phi i1 [ true, %logic.from5627 ], [ %t494, %logic.rend5630 ]
+  br i1 %t495, label %then5631, label %endif5633
+then5631:
   %t496 = load ptr, ptr %a1
-  %t497 = load { ptr, i64, i64 }, ptr %a426
-  %t498 = call { ptr, i64, i64 } @finch.gen.load(ptr %t496, { ptr, i64, i64 } { ptr @.str.3480, i64 3, i64 0 }, { ptr, i64, i64 } %t497)
-  store { ptr, i64, i64 } %t498, ptr %a499
-  %t500 = load ptr, ptr %a1
-  %t501 = load ptr, ptr %a1
-  %t502 = load ptr, ptr %a1
-  %t503 = load %S.ast.Type, ptr %a347
-  %t504 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t502, %S.ast.Type %t503)
-  store { ptr, i64, i64 } { ptr @.str.3481, i64 23, i64 0 }, ptr %a506
-  store { ptr, i64, i64 } %t504, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t508, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.3482, i64 6, i64 0 }, ptr %a511
-  call void @finch_str_concat(ptr %a509, ptr %a510, ptr %a511)
-  %t512 = load { ptr, i64, i64 }, ptr %a509
-  %t513 = load { ptr, i64, i64 }, ptr %a423
-  store { ptr, i64, i64 } %t512, ptr %a515
-  store { ptr, i64, i64 } %t513, ptr %a516
-  call void @finch_str_concat(ptr %a514, ptr %a515, ptr %a516)
-  %t517 = load { ptr, i64, i64 }, ptr %a514
-  store { ptr, i64, i64 } %t517, ptr %a519
-  store { ptr, i64, i64 } { ptr @.str.3483, i64 6, i64 0 }, ptr %a520
-  call void @finch_str_concat(ptr %a518, ptr %a519, ptr %a520)
-  %t521 = load { ptr, i64, i64 }, ptr %a518
-  %t522 = load { ptr, i64, i64 }, ptr %a499
-  store { ptr, i64, i64 } %t521, ptr %a524
-  store { ptr, i64, i64 } %t522, ptr %a525
-  call void @finch_str_concat(ptr %a523, ptr %a524, ptr %a525)
-  %t526 = load { ptr, i64, i64 }, ptr %a523
-  %t527 = call { ptr, i64, i64 } @finch.gen.op(ptr %t501, { ptr, i64, i64 } %t526)
-  %t528 = load ptr, ptr %a1
-  %t529 = load { ptr, i64, i64 }, ptr %a468
-  %t530 = load %S.ast.Type, ptr %a4
-  %t531 = load i64, ptr %a342
-  %t532 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t528, { ptr, i64, i64 } %t529, %S.ast.Type %t530, i64 %t531)
-  %t533 = load %S.ast.Type, ptr %a347
-  call void @finch.gen.copyAt(ptr %t500, { ptr, i64, i64 } %t527, { ptr, i64, i64 } %t532, %S.ast.Type %t533)
-  %t534 = load ptr, ptr %a1
-  %t535 = load ptr, ptr %a1
-  %t536 = load { ptr, i64, i64 }, ptr %a499
-  store { ptr, i64, i64 } { ptr @.str.3485, i64 8, i64 0 }, ptr %a538
-  store { ptr, i64, i64 } %t536, ptr %a539
-  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
-  %t540 = load { ptr, i64, i64 }, ptr %a537
-  store { ptr, i64, i64 } %t540, ptr %a542
-  store { ptr, i64, i64 } { ptr @.str.3486, i64 3, i64 0 }, ptr %a543
-  call void @finch_str_concat(ptr %a541, ptr %a542, ptr %a543)
-  %t544 = load { ptr, i64, i64 }, ptr %a541
-  %t545 = call { ptr, i64, i64 } @finch.gen.op(ptr %t535, { ptr, i64, i64 } %t544)
-  %t546 = load { ptr, i64, i64 }, ptr %a426
-  call void @finch.gen.store(ptr %t534, { ptr, i64, i64 } { ptr @.str.3484, i64 3, i64 0 }, { ptr, i64, i64 } %t545, { ptr, i64, i64 } %t546)
-  %t547 = load ptr, ptr %a1
-  %t548 = load { ptr, i64, i64 }, ptr %a474
-  call void @finch.gen.br(ptr %t547, { ptr, i64, i64 } %t548)
-  %t549 = load ptr, ptr %a1
-  %t550 = load { ptr, i64, i64 }, ptr %a474
-  call void @finch.gen.label(ptr %t549, { ptr, i64, i64 } %t550)
-  %t551 = load ptr, ptr %a1
-  %t552 = load { ptr, i64, i64 }, ptr %a457
-  call void @finch.gen.loopEnd(ptr %t551, { ptr, i64, i64 } %t552)
-  %t553 = load ptr, ptr %a1
-  %t554 = load { ptr, i64, i64 }, ptr %a362
-  %t555 = call { ptr, i64, i64 } @finch.gen.load(ptr %t553, { ptr, i64, i64 } { ptr @.str.3487, i64 17, i64 0 }, { ptr, i64, i64 } %t554)
-  %t556 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t555, 0
-  %t557 = load %S.ast.Type, ptr %a359
-  store %S.ast.Type %t557, ptr %a558
-  call void @finch.copy.S_ast_Type(ptr %a559, ptr %a558)
-  %t560 = load %S.ast.Type, ptr %a559
-  %t561 = insertvalue %S.gen.Val %t556, %S.ast.Type %t560, 1
-  %t562 = insertvalue %S.gen.Val %t561, i1 true, 2
-  ret %S.gen.Val %t562
-endif5268:
-  %t563 = load ptr, ptr %a1
-  %t564 = load %S.ast.Node, ptr %a2
-  %t565 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.3488, i64 21, i64 0 }, ptr %a567
+  %t497 = load %S.ast.Node, ptr %a2
+  %t498 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.checkArgs(ptr %t496, %S.ast.Node %t497, i64 1, i64 0, { ptr, i64, i64 } %t498)
+  store i64 1, ptr %a499
+  %t500 = load %S.ast.Type, ptr %a21
+  store %S.ast.Type %t500, ptr %a501
+  call void @finch.copy.S_ast_Type(ptr %a502, ptr %a501)
+  %t503 = load %S.ast.Type, ptr %a502
+  store %S.ast.Type %t503, ptr %a504
+  %t505 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t505, ptr %a506
+  store { ptr, i64, i64 } { ptr @.str.3618, i64 6, i64 0 }, ptr %a507
+  %t508 = call i32 @finch_str_eq(ptr %a506, ptr %a507)
+  %t509 = icmp ne i32 %t508, 0
+  br i1 %t509, label %then5634, label %endif5636
+then5634:
+  store i64 2, ptr %a499
+  %t510 = load %S.ast.Type, ptr %a32
+  store %S.ast.Type %t510, ptr %a511
+  call void @finch.copy.S_ast_Type(ptr %a512, ptr %a511)
+  %t513 = load %S.ast.Type, ptr %a512
+  %t514 = load %S.ast.Type, ptr %a504
+  store %S.ast.Type %t513, ptr %a504
+  store %S.ast.Type %t514, ptr %a515
+  call void @finch.drop.S_ast_Type(ptr %a515)
+  br label %endif5636
+endif5636:
+  %t516 = load %S.ast.Type, ptr %a504
+  %t517 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t516)
+  store %S.ast.Type %t517, ptr %a518
+  %t519 = load ptr, ptr %a1
+  %t520 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t519, { ptr, i64, i64 } { ptr @.str.3619, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t520, ptr %a521
+  %t522 = load ptr, ptr %a1
+  %t523 = load { ptr, i64, i64 }, ptr %a521
+  call void @finch.gen.store(ptr %t522, { ptr, i64, i64 } { ptr @.str.3620, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3621, i64 15, i64 0 }, { ptr, i64, i64 } %t523)
+  %t524 = load ptr, ptr %a1
+  %t525 = load ptr, ptr %a1
+  %t526 = load ptr, ptr %a1
+  %t527 = load %S.ast.Type, ptr %a4
+  %t528 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t526, %S.ast.Type %t527)
+  store { ptr, i64, i64 } { ptr @.str.3623, i64 23, i64 0 }, ptr %a530
+  store { ptr, i64, i64 } %t528, ptr %a531
+  call void @finch_str_concat(ptr %a529, ptr %a530, ptr %a531)
+  store { ptr, i64, i64 } %t528, ptr %a532
+  call void @finch_str_drop(ptr %a532)
+  %t533 = load { ptr, i64, i64 }, ptr %a529
+  store { ptr, i64, i64 } %t533, ptr %a535
+  store { ptr, i64, i64 } { ptr @.str.3624, i64 6, i64 0 }, ptr %a536
+  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
+  store { ptr, i64, i64 } %t533, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  %t538 = load { ptr, i64, i64 }, ptr %a534
+  %t539 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t538, ptr %a541
+  store { ptr, i64, i64 } %t539, ptr %a542
+  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
+  store { ptr, i64, i64 } %t538, ptr %a543
+  call void @finch_str_drop(ptr %a543)
+  %t544 = load { ptr, i64, i64 }, ptr %a540
+  store { ptr, i64, i64 } %t544, ptr %a546
+  store { ptr, i64, i64 } { ptr @.str.3625, i64 14, i64 0 }, ptr %a547
+  call void @finch_str_concat(ptr %a545, ptr %a546, ptr %a547)
+  store { ptr, i64, i64 } %t544, ptr %a548
+  call void @finch_str_drop(ptr %a548)
+  %t549 = load { ptr, i64, i64 }, ptr %a545
+  %t550 = call { ptr, i64, i64 } @finch.gen.op(ptr %t525, { ptr, i64, i64 } %t549)
+  store { ptr, i64, i64 } %t549, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = call { ptr, i64, i64 } @finch.gen.load(ptr %t524, { ptr, i64, i64 } { ptr @.str.3622, i64 3, i64 0 }, { ptr, i64, i64 } %t550)
+  store { ptr, i64, i64 } %t550, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  store { ptr, i64, i64 } %t552, ptr %a554
+  %t555 = load ptr, ptr %a1
+  %t556 = load { ptr, i64, i64 }, ptr %a521
+  store { ptr, i64, i64 } { ptr @.str.3626, i64 30, i64 0 }, ptr %a558
+  store { ptr, i64, i64 } %t556, ptr %a559
+  call void @finch_str_concat(ptr %a557, ptr %a558, ptr %a559)
+  %t560 = load { ptr, i64, i64 }, ptr %a557
+  store { ptr, i64, i64 } %t560, ptr %a562
+  store { ptr, i64, i64 } { ptr @.str.3627, i64 6, i64 0 }, ptr %a563
+  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
+  store { ptr, i64, i64 } %t560, ptr %a564
+  call void @finch_str_drop(ptr %a564)
+  %t565 = load { ptr, i64, i64 }, ptr %a561
+  %t566 = load { ptr, i64, i64 }, ptr %a554
   store { ptr, i64, i64 } %t565, ptr %a568
-  call void @finch_str_concat(ptr %a566, ptr %a567, ptr %a568)
-  %t569 = load { ptr, i64, i64 }, ptr %a566
-  store { ptr, i64, i64 } %t569, ptr %a571
-  store { ptr, i64, i64 } { ptr @.str.3489, i64 49, i64 0 }, ptr %a572
-  call void @finch_str_concat(ptr %a570, ptr %a571, ptr %a572)
-  %t573 = load { ptr, i64, i64 }, ptr %a570
-  call void @finch.gen.fail(ptr %t563, %S.ast.Node %t564, { ptr, i64, i64 } %t573)
+  store { ptr, i64, i64 } %t566, ptr %a569
+  call void @finch_str_concat(ptr %a567, ptr %a568, ptr %a569)
+  store { ptr, i64, i64 } %t565, ptr %a570
+  call void @finch_str_drop(ptr %a570)
+  %t571 = load { ptr, i64, i64 }, ptr %a567
+  store { ptr, i64, i64 } %t571, ptr %a573
+  store { ptr, i64, i64 } { ptr @.str.3628, i64 6, i64 0 }, ptr %a574
+  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
+  store { ptr, i64, i64 } %t571, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  %t576 = load { ptr, i64, i64 }, ptr %a572
+  %t577 = load ptr, ptr %a1
+  %t578 = load %S.ast.Type, ptr %a504
+  %t579 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t577, %S.ast.Type %t578)
+  store { ptr, i64, i64 } %t576, ptr %a581
+  store { ptr, i64, i64 } %t579, ptr %a582
+  call void @finch_str_concat(ptr %a580, ptr %a581, ptr %a582)
+  store { ptr, i64, i64 } %t576, ptr %a583
+  call void @finch_str_drop(ptr %a583)
+  store { ptr, i64, i64 } %t579, ptr %a584
+  call void @finch_str_drop(ptr %a584)
+  %t585 = load { ptr, i64, i64 }, ptr %a580
+  store { ptr, i64, i64 } %t585, ptr %a587
+  store { ptr, i64, i64 } { ptr @.str.3629, i64 1, i64 0 }, ptr %a588
+  call void @finch_str_concat(ptr %a586, ptr %a587, ptr %a588)
+  store { ptr, i64, i64 } %t585, ptr %a589
+  call void @finch_str_drop(ptr %a589)
+  %t590 = load { ptr, i64, i64 }, ptr %a586
+  call void @finch.gen.emit(ptr %t555, { ptr, i64, i64 } %t590)
+  store { ptr, i64, i64 } %t590, ptr %a591
+  call void @finch_str_drop(ptr %a591)
+  %t592 = load ptr, ptr %a1
+  %t593 = load { ptr, i64, i64 }, ptr %a521
+  %t594 = call { ptr, i64, i64 } @finch.gen.load(ptr %t592, { ptr, i64, i64 } { ptr @.str.3630, i64 3, i64 0 }, { ptr, i64, i64 } %t593)
+  store { ptr, i64, i64 } %t594, ptr %a595
+  %t596 = load ptr, ptr %a1
+  %t597 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t596, { ptr, i64, i64 } { ptr @.str.3631, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t597, ptr %a598
+  %t599 = load ptr, ptr %a1
+  %t600 = load { ptr, i64, i64 }, ptr %a598
+  call void @finch.gen.store(ptr %t599, { ptr, i64, i64 } { ptr @.str.3632, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3633, i64 1, i64 0 }, { ptr, i64, i64 } %t600)
+  %t601 = load ptr, ptr %a1
+  %t602 = load ptr, ptr %a1
+  %t603 = load ptr, ptr %a1
+  %t604 = load %S.ast.Type, ptr %a4
+  %t605 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t603, %S.ast.Type %t604)
+  store { ptr, i64, i64 } { ptr @.str.3635, i64 23, i64 0 }, ptr %a607
+  store { ptr, i64, i64 } %t605, ptr %a608
+  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
+  store { ptr, i64, i64 } %t605, ptr %a609
+  call void @finch_str_drop(ptr %a609)
+  %t610 = load { ptr, i64, i64 }, ptr %a606
+  store { ptr, i64, i64 } %t610, ptr %a612
+  store { ptr, i64, i64 } { ptr @.str.3636, i64 6, i64 0 }, ptr %a613
+  call void @finch_str_concat(ptr %a611, ptr %a612, ptr %a613)
+  store { ptr, i64, i64 } %t610, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = load { ptr, i64, i64 }, ptr %a611
+  %t616 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t615, ptr %a618
+  store { ptr, i64, i64 } %t616, ptr %a619
+  call void @finch_str_concat(ptr %a617, ptr %a618, ptr %a619)
+  store { ptr, i64, i64 } %t615, ptr %a620
+  call void @finch_str_drop(ptr %a620)
+  %t621 = load { ptr, i64, i64 }, ptr %a617
+  store { ptr, i64, i64 } %t621, ptr %a623
+  store { ptr, i64, i64 } { ptr @.str.3637, i64 14, i64 0 }, ptr %a624
+  call void @finch_str_concat(ptr %a622, ptr %a623, ptr %a624)
+  store { ptr, i64, i64 } %t621, ptr %a625
+  call void @finch_str_drop(ptr %a625)
+  %t626 = load { ptr, i64, i64 }, ptr %a622
+  %t627 = call { ptr, i64, i64 } @finch.gen.op(ptr %t602, { ptr, i64, i64 } %t626)
+  store { ptr, i64, i64 } %t626, ptr %a628
+  call void @finch_str_drop(ptr %a628)
+  %t629 = call { ptr, i64, i64 } @finch.gen.load(ptr %t601, { ptr, i64, i64 } { ptr @.str.3634, i64 3, i64 0 }, { ptr, i64, i64 } %t627)
+  store { ptr, i64, i64 } %t627, ptr %a630
+  call void @finch_str_drop(ptr %a630)
+  store { ptr, i64, i64 } %t629, ptr %a631
+  %t632 = load ptr, ptr %a1
+  %t633 = load { ptr, i64, i64 }, ptr %a631
+  %t634 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t632, { ptr, i64, i64 } %t633)
+  store { ptr, i64, i64 } %t634, ptr %a635
+  %t636 = load ptr, ptr %a1
+  %t637 = load { ptr, i64, i64 }, ptr %a3
+  %t638 = load %S.ast.Type, ptr %a4
+  %t639 = load { ptr, i64, i64 }, ptr %a635
+  %t640 = extractvalue { ptr, i64, i64 } %t639, 1
+  %t641 = icmp uge i64 3, %t640
+  br i1 %t641, label %range5637, label %inrange5638
+range5637:
+  call void @finch_panic_index(ptr @.str.3638, i64 2926, i64 3, i64 %t640)
+  unreachable
+inrange5638:
+  %t642 = extractvalue { ptr, i64, i64 } %t639, 0
+  %t643 = getelementptr inbounds { ptr, i64, i64 }, ptr %t642, i64 3
+  %t644 = load { ptr, i64, i64 }, ptr %t643
+  %t645 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t636, { ptr, i64, i64 } %t637, %S.ast.Type %t638, { ptr, i64, i64 } %t644)
+  store { ptr, i64, i64 } %t645, ptr %a646
+  %t647 = load ptr, ptr %a1
+  %t648 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t647, { ptr, i64, i64 } { ptr @.str.3639, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t648, ptr %a649
+  %t650 = load ptr, ptr %a1
+  %t651 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t650, { ptr, i64, i64 } { ptr @.str.3640, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t651, ptr %a652
+  %t653 = load ptr, ptr %a1
+  %t654 = load ptr, ptr %a1
+  %t655 = load ptr, ptr %a1
+  %t656 = load ptr, ptr %a1
+  %t657 = load { ptr, i64, i64 }, ptr %a646
+  %t658 = load %S.ast.Type, ptr %a4
+  %t659 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t656, { ptr, i64, i64 } %t657, %S.ast.Type %t658, i64 0)
+  %t660 = call { ptr, i64, i64 } @finch.gen.load(ptr %t655, { ptr, i64, i64 } { ptr @.str.3642, i64 3, i64 0 }, { ptr, i64, i64 } %t659)
+  store { ptr, i64, i64 } %t659, ptr %a661
+  call void @finch_str_drop(ptr %a661)
+  store { ptr, i64, i64 } { ptr @.str.3641, i64 12, i64 0 }, ptr %a663
+  store { ptr, i64, i64 } %t660, ptr %a664
+  call void @finch_str_concat(ptr %a662, ptr %a663, ptr %a664)
+  store { ptr, i64, i64 } %t660, ptr %a665
+  call void @finch_str_drop(ptr %a665)
+  %t666 = load { ptr, i64, i64 }, ptr %a662
+  store { ptr, i64, i64 } %t666, ptr %a668
+  store { ptr, i64, i64 } { ptr @.str.3643, i64 3, i64 0 }, ptr %a669
+  call void @finch_str_concat(ptr %a667, ptr %a668, ptr %a669)
+  store { ptr, i64, i64 } %t666, ptr %a670
+  call void @finch_str_drop(ptr %a670)
+  %t671 = load { ptr, i64, i64 }, ptr %a667
+  %t672 = call { ptr, i64, i64 } @finch.gen.op(ptr %t654, { ptr, i64, i64 } %t671)
+  store { ptr, i64, i64 } %t671, ptr %a673
+  call void @finch_str_drop(ptr %a673)
+  %t674 = load { ptr, i64, i64 }, ptr %a649
+  %t675 = load { ptr, i64, i64 }, ptr %a652
+  call void @finch.gen.condBr(ptr %t653, { ptr, i64, i64 } %t672, { ptr, i64, i64 } %t674, { ptr, i64, i64 } %t675)
+  store { ptr, i64, i64 } %t672, ptr %a676
+  call void @finch_str_drop(ptr %a676)
+  %t677 = load ptr, ptr %a1
+  %t678 = load { ptr, i64, i64 }, ptr %a649
+  call void @finch.gen.label(ptr %t677, { ptr, i64, i64 } %t678)
+  %t679 = load ptr, ptr %a1
+  %t680 = load { ptr, i64, i64 }, ptr %a598
+  %t681 = call { ptr, i64, i64 } @finch.gen.load(ptr %t679, { ptr, i64, i64 } { ptr @.str.3644, i64 3, i64 0 }, { ptr, i64, i64 } %t680)
+  store { ptr, i64, i64 } %t681, ptr %a682
+  %t683 = load ptr, ptr %a1
+  %t684 = load ptr, ptr %a1
+  %t685 = load ptr, ptr %a1
+  %t686 = load %S.ast.Type, ptr %a504
+  %t687 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t685, %S.ast.Type %t686)
+  store { ptr, i64, i64 } { ptr @.str.3645, i64 23, i64 0 }, ptr %a689
+  store { ptr, i64, i64 } %t687, ptr %a690
+  call void @finch_str_concat(ptr %a688, ptr %a689, ptr %a690)
+  store { ptr, i64, i64 } %t687, ptr %a691
+  call void @finch_str_drop(ptr %a691)
+  %t692 = load { ptr, i64, i64 }, ptr %a688
+  store { ptr, i64, i64 } %t692, ptr %a694
+  store { ptr, i64, i64 } { ptr @.str.3646, i64 6, i64 0 }, ptr %a695
+  call void @finch_str_concat(ptr %a693, ptr %a694, ptr %a695)
+  store { ptr, i64, i64 } %t692, ptr %a696
+  call void @finch_str_drop(ptr %a696)
+  %t697 = load { ptr, i64, i64 }, ptr %a693
+  %t698 = load { ptr, i64, i64 }, ptr %a595
+  store { ptr, i64, i64 } %t697, ptr %a700
+  store { ptr, i64, i64 } %t698, ptr %a701
+  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
+  store { ptr, i64, i64 } %t697, ptr %a702
+  call void @finch_str_drop(ptr %a702)
+  %t703 = load { ptr, i64, i64 }, ptr %a699
+  store { ptr, i64, i64 } %t703, ptr %a705
+  store { ptr, i64, i64 } { ptr @.str.3647, i64 6, i64 0 }, ptr %a706
+  call void @finch_str_concat(ptr %a704, ptr %a705, ptr %a706)
+  store { ptr, i64, i64 } %t703, ptr %a707
+  call void @finch_str_drop(ptr %a707)
+  %t708 = load { ptr, i64, i64 }, ptr %a704
+  %t709 = load { ptr, i64, i64 }, ptr %a682
+  store { ptr, i64, i64 } %t708, ptr %a711
+  store { ptr, i64, i64 } %t709, ptr %a712
+  call void @finch_str_concat(ptr %a710, ptr %a711, ptr %a712)
+  store { ptr, i64, i64 } %t708, ptr %a713
+  call void @finch_str_drop(ptr %a713)
+  %t714 = load { ptr, i64, i64 }, ptr %a710
+  %t715 = call { ptr, i64, i64 } @finch.gen.op(ptr %t684, { ptr, i64, i64 } %t714)
+  store { ptr, i64, i64 } %t714, ptr %a716
+  call void @finch_str_drop(ptr %a716)
+  %t717 = load ptr, ptr %a1
+  %t718 = load { ptr, i64, i64 }, ptr %a646
+  %t719 = load %S.ast.Type, ptr %a4
+  %t720 = load i64, ptr %a499
+  %t721 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t717, { ptr, i64, i64 } %t718, %S.ast.Type %t719, i64 %t720)
+  %t722 = load %S.ast.Type, ptr %a504
+  call void @finch.gen.copyAt(ptr %t683, { ptr, i64, i64 } %t715, { ptr, i64, i64 } %t721, %S.ast.Type %t722)
+  store { ptr, i64, i64 } %t715, ptr %a723
+  call void @finch_str_drop(ptr %a723)
+  store { ptr, i64, i64 } %t721, ptr %a724
+  call void @finch_str_drop(ptr %a724)
+  %t725 = load ptr, ptr %a1
+  %t726 = load ptr, ptr %a1
+  %t727 = load { ptr, i64, i64 }, ptr %a682
+  store { ptr, i64, i64 } { ptr @.str.3649, i64 8, i64 0 }, ptr %a729
+  store { ptr, i64, i64 } %t727, ptr %a730
+  call void @finch_str_concat(ptr %a728, ptr %a729, ptr %a730)
+  %t731 = load { ptr, i64, i64 }, ptr %a728
+  store { ptr, i64, i64 } %t731, ptr %a733
+  store { ptr, i64, i64 } { ptr @.str.3650, i64 3, i64 0 }, ptr %a734
+  call void @finch_str_concat(ptr %a732, ptr %a733, ptr %a734)
+  store { ptr, i64, i64 } %t731, ptr %a735
+  call void @finch_str_drop(ptr %a735)
+  %t736 = load { ptr, i64, i64 }, ptr %a732
+  %t737 = call { ptr, i64, i64 } @finch.gen.op(ptr %t726, { ptr, i64, i64 } %t736)
+  store { ptr, i64, i64 } %t736, ptr %a738
+  call void @finch_str_drop(ptr %a738)
+  %t739 = load { ptr, i64, i64 }, ptr %a598
+  call void @finch.gen.store(ptr %t725, { ptr, i64, i64 } { ptr @.str.3648, i64 3, i64 0 }, { ptr, i64, i64 } %t737, { ptr, i64, i64 } %t739)
+  store { ptr, i64, i64 } %t737, ptr %a740
+  call void @finch_str_drop(ptr %a740)
+  %t741 = load ptr, ptr %a1
+  %t742 = load { ptr, i64, i64 }, ptr %a652
+  call void @finch.gen.br(ptr %t741, { ptr, i64, i64 } %t742)
+  %t743 = load ptr, ptr %a1
+  %t744 = load { ptr, i64, i64 }, ptr %a652
+  call void @finch.gen.label(ptr %t743, { ptr, i64, i64 } %t744)
+  %t745 = load ptr, ptr %a1
+  %t746 = load { ptr, i64, i64 }, ptr %a635
+  call void @finch.gen.loopEnd(ptr %t745, { ptr, i64, i64 } %t746)
+  %t747 = load ptr, ptr %a1
+  %t748 = load { ptr, i64, i64 }, ptr %a521
+  %t749 = call { ptr, i64, i64 } @finch.gen.load(ptr %t747, { ptr, i64, i64 } { ptr @.str.3651, i64 17, i64 0 }, { ptr, i64, i64 } %t748)
+  %t750 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t749, 0
+  %t751 = load %S.ast.Type, ptr %a518
+  store %S.ast.Type %t751, ptr %a752
+  call void @finch.copy.S_ast_Type(ptr %a753, ptr %a752)
+  %t754 = load %S.ast.Type, ptr %a753
+  %t755 = insertvalue %S.gen.Val %t750, %S.ast.Type %t754, 1
+  %t756 = insertvalue %S.gen.Val %t755, i1 true, 2
+  call void @finch_str_drop(ptr %a682)
+  call void @finch_str_drop(ptr %a652)
+  call void @finch_str_drop(ptr %a649)
+  call void @finch_str_drop(ptr %a646)
+  call void @finch.drop.arr_str(ptr %a635)
+  call void @finch_str_drop(ptr %a631)
+  call void @finch_str_drop(ptr %a598)
+  call void @finch_str_drop(ptr %a595)
+  call void @finch_str_drop(ptr %a554)
+  call void @finch_str_drop(ptr %a521)
+  call void @finch.drop.S_ast_Type(ptr %a518)
+  call void @finch.drop.S_ast_Type(ptr %a504)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t756
+endif5633:
+  %t757 = load ptr, ptr %a1
+  %t758 = load %S.ast.Node, ptr %a2
+  %t759 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.3652, i64 21, i64 0 }, ptr %a761
+  store { ptr, i64, i64 } %t759, ptr %a762
+  call void @finch_str_concat(ptr %a760, ptr %a761, ptr %a762)
+  %t763 = load { ptr, i64, i64 }, ptr %a760
+  store { ptr, i64, i64 } %t763, ptr %a765
+  store { ptr, i64, i64 } { ptr @.str.3653, i64 49, i64 0 }, ptr %a766
+  call void @finch_str_concat(ptr %a764, ptr %a765, ptr %a766)
+  store { ptr, i64, i64 } %t763, ptr %a767
+  call void @finch_str_drop(ptr %a767)
+  %t768 = load { ptr, i64, i64 }, ptr %a764
+  call void @finch.gen.fail(ptr %t757, %S.ast.Node %t758, { ptr, i64, i64 } %t768)
+  store { ptr, i64, i64 } %t768, ptr %a769
+  call void @finch_str_drop(ptr %a769)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -48743,71 +57901,79 @@ entry:
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca %S.ast.Type, align 16
-  %a111 = alloca %S.ast.Type, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca %S.ast.Type, align 16
+  %a118 = alloca %S.ast.Type, align 16
+  %a129 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.3490, i64 4, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3654, i64 4, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.from5274
-logic.from5274:
-  br i1 %t9, label %logic.rhs5275, label %logic.end5276
-logic.rhs5275:
+  br label %logic.from5639
+logic.from5639:
+  br i1 %t9, label %logic.rhs5640, label %logic.end5641
+logic.rhs5640:
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t11 = load { ptr, i64, i64 }, ptr %t10
   store { ptr, i64, i64 } %t11, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.3491, i64 3, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.3655, i64 3, i64 0 }, ptr %a13
   %t14 = call i32 @finch_str_eq(ptr %a12, ptr %a13)
   %t15 = icmp ne i32 %t14, 0
-  br label %logic.rend5277
-logic.rend5277:
-  br label %logic.end5276
-logic.end5276:
-  %t16 = phi i1 [ false, %logic.from5274 ], [ %t15, %logic.rend5277 ]
-  br label %logic.from5278
-logic.from5278:
-  br i1 %t16, label %logic.rhs5279, label %logic.end5280
-logic.rhs5279:
+  br label %logic.rend5642
+logic.rend5642:
+  br label %logic.end5641
+logic.end5641:
+  %t16 = phi i1 [ false, %logic.from5639 ], [ %t15, %logic.rend5642 ]
+  br label %logic.from5643
+logic.from5643:
+  br i1 %t16, label %logic.rhs5644, label %logic.end5645
+logic.rhs5644:
   %t17 = load ptr, ptr %a1
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t19 = load { ptr, i64, i64 }, ptr %t18
   %t20 = call i64 @finch.gen.lookup(ptr %t17, { ptr, i64, i64 } %t19)
   %t21 = icmp slt i64 %t20, 0
-  br label %logic.rend5281
-logic.rend5281:
-  br label %logic.end5280
-logic.end5280:
-  %t22 = phi i1 [ false, %logic.from5278 ], [ %t21, %logic.rend5281 ]
-  br i1 %t22, label %then5282, label %endif5284
-then5282:
+  br label %logic.rend5646
+logic.rend5646:
+  br label %logic.end5645
+logic.end5645:
+  %t22 = phi i1 [ false, %logic.from5643 ], [ %t21, %logic.rend5646 ]
+  br i1 %t22, label %then5647, label %endif5649
+then5647:
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic5285, label %ok5286
-panic5285:
-  call void @finch_panic(ptr @.str.3492, i64 2701, ptr @.str.3493)
+  br i1 %t24, label %panic5650, label %ok5651
+panic5650:
+  call void @finch_panic(ptr @.str.3656, i64 2948, ptr @.str.3657)
   unreachable
-ok5286:
-  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 20
+ok5651:
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 21
   %t26 = load ptr, ptr %a1
   %t27 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 3
   %t28 = load { ptr, i64, i64 }, ptr %t27
@@ -48817,11 +57983,11 @@ ok5286:
   %t32 = load { ptr, i64, i64 }, ptr %t25
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range5287, label %inrange5288
-range5287:
-  call void @finch_panic_index(ptr @.str.3494, i64 2701, i64 %t31, i64 %t33)
+  br i1 %t34, label %range5652, label %inrange5653
+range5652:
+  call void @finch_panic_index(ptr @.str.3658, i64 2948, i64 %t31, i64 %t33)
   unreachable
-inrange5288:
+inrange5653:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.EnumDef, ptr %t35, i64 %t31
   %t37 = load %S.gen.EnumDef, ptr %t36
@@ -48837,103 +58003,120 @@ inrange5288:
   %t47 = load i64, ptr %t43
   %t48 = load ptr, ptr %t42
   store i64 0, ptr %a49
-  br label %find.cond5289
-find.cond5289:
+  br label %find.cond5654
+find.cond5654:
   %t50 = load i64, ptr %a49
   %t51 = icmp slt i64 %t50, %t47
-  br i1 %t51, label %find.body5290, label %find.end5293
-find.body5290:
+  br i1 %t51, label %find.body5655, label %find.end5658
+find.body5655:
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i64 %t50
   %t53 = load { ptr, i64, i64 }, ptr %t52
   store { ptr, i64, i64 } %t53, ptr %a54
   store { ptr, i64, i64 } %t45, ptr %a55
   %t56 = call i32 @finch_str_eq(ptr %a54, ptr %a55)
   %t57 = icmp ne i32 %t56, 0
-  br i1 %t57, label %find.hit5291, label %find.next5292
-find.hit5291:
+  br i1 %t57, label %find.hit5656, label %find.next5657
+find.hit5656:
   store i64 %t50, ptr %a46
-  br label %find.end5293
-find.next5292:
+  br label %find.end5658
+find.next5657:
   %t58 = add i64 %t50, 1
   store i64 %t58, ptr %a49
-  br label %find.cond5289
-find.end5293:
+  br label %find.cond5654
+find.end5658:
   %t59 = load i64, ptr %a46
   store i64 %t59, ptr %a60
   %t61 = load i64, ptr %a60
   %t62 = icmp slt i64 %t61, 0
-  br i1 %t62, label %then5294, label %endif5296
-then5294:
+  br i1 %t62, label %then5659, label %endif5661
+then5659:
   %t63 = load ptr, ptr %a1
   %t64 = load %S.ast.Node, ptr %a2
   %t65 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } { ptr @.str.3495, i64 1, i64 0 }, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.3659, i64 1, i64 0 }, ptr %a68
   store { ptr, i64, i64 } %t66, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
   %t70 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.3496, i64 22, i64 0 }, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.3660, i64 22, i64 0 }, ptr %a73
   call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 1
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  store { ptr, i64, i64 } %t74, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } %t80, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.3497, i64 10, i64 0 }, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  %t85 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 2
-  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.3498, i64 2, i64 0 }, ptr %a87
-  call void @finch_str_join(ptr %a88, ptr %t85, ptr %a87)
-  %t89 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t84, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.3499, i64 1, i64 0 }, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  call void @finch.gen.fail(ptr %t63, %S.ast.Node %t64, { ptr, i64, i64 } %t97)
-  br label %endif5296
-endif5296:
-  %t98 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 3
-  %t99 = load i64, ptr %a60
-  %t100 = load { ptr, i64, i64 }, ptr %t98
-  %t101 = extractvalue { ptr, i64, i64 } %t100, 1
-  %t102 = icmp uge i64 %t99, %t101
-  br i1 %t102, label %range5297, label %inrange5298
-range5297:
-  call void @finch_panic_index(ptr @.str.3500, i64 2706, i64 %t99, i64 %t101)
+  store { ptr, i64, i64 } %t70, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  %t76 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 1
+  %t77 = load { ptr, i64, i64 }, ptr %t76
+  store { ptr, i64, i64 } %t75, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t75, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t82, ptr %a84
+  store { ptr, i64, i64 } { ptr @.str.3661, i64 10, i64 0 }, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t82, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  %t88 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 2
+  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t88, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3662, i64 2, i64 0 }, ptr %a90
+  call void @finch_str_join(ptr %a91, ptr %t88, ptr %a90)
+  %t92 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } %t87, ptr %a94
+  store { ptr, i64, i64 } %t92, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t87, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  store { ptr, i64, i64 } %t92, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t98, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.3663, i64 1, i64 0 }, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  call void @finch.gen.fail(ptr %t63, %S.ast.Node %t64, { ptr, i64, i64 } %t103)
+  store { ptr, i64, i64 } %t103, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  br label %endif5661
+endif5661:
+  %t105 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 3
+  %t106 = load i64, ptr %a60
+  %t107 = load { ptr, i64, i64 }, ptr %t105
+  %t108 = extractvalue { ptr, i64, i64 } %t107, 1
+  %t109 = icmp uge i64 %t106, %t108
+  br i1 %t109, label %range5662, label %inrange5663
+range5662:
+  call void @finch_panic_index(ptr @.str.3664, i64 2953, i64 %t106, i64 %t108)
   unreachable
-inrange5298:
-  %t103 = extractvalue { ptr, i64, i64 } %t100, 0
-  %t104 = getelementptr inbounds i64, ptr %t103, i64 %t99
-  %t105 = load i64, ptr %t104
-  call void @finch_str_from_int(ptr %a106, i64 %t105)
-  %t107 = load { ptr, i64, i64 }, ptr %a106
-  %t108 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t107, 0
-  %t109 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t109, ptr %a110
-  call void @finch.copy.S_ast_Type(ptr %a111, ptr %a110)
-  %t112 = load %S.ast.Type, ptr %a111
-  %t113 = insertvalue %S.gen.Val %t108, %S.ast.Type %t112, 1
-  ret %S.gen.Val %t113
-endif5284:
-  %t114 = load ptr, ptr %a1
-  %t115 = load ptr, ptr %a1
-  %t116 = load %S.ast.Node, ptr %a2
-  %t117 = load %S.ast.Type, ptr %a3
-  %t118 = call %S.gen.Val @finch.gen.exprWant(ptr %t115, %S.ast.Node %t116, %S.ast.Type %t117)
-  %t119 = load %S.ast.Type, ptr %a3
-  %t120 = load %S.ast.Node, ptr %a2
-  %t121 = call %S.gen.Val @finch.gen.coerce(ptr %t114, %S.gen.Val %t118, %S.ast.Type %t119, %S.ast.Node %t120, { ptr, i64, i64 } { ptr @.str.3501, i64 12, i64 0 })
-  ret %S.gen.Val %t121
+inrange5663:
+  %t110 = extractvalue { ptr, i64, i64 } %t107, 0
+  %t111 = getelementptr inbounds i64, ptr %t110, i64 %t106
+  %t112 = load i64, ptr %t111
+  call void @finch_str_from_int(ptr %a113, i64 %t112)
+  %t114 = load { ptr, i64, i64 }, ptr %a113
+  %t115 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t114, 0
+  %t116 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t116, ptr %a117
+  call void @finch.copy.S_ast_Type(ptr %a118, ptr %a117)
+  %t119 = load %S.ast.Type, ptr %a118
+  %t120 = insertvalue %S.gen.Val %t115, %S.ast.Type %t119, 1
+  call void @finch.drop.S_gen_EnumDef(ptr %a41)
+  ret %S.gen.Val %t120
+endif5649:
+  %t121 = load ptr, ptr %a1
+  %t122 = load ptr, ptr %a1
+  %t123 = load %S.ast.Node, ptr %a2
+  %t124 = load %S.ast.Type, ptr %a3
+  %t125 = call %S.gen.Val @finch.gen.exprWant(ptr %t122, %S.ast.Node %t123, %S.ast.Type %t124)
+  %t126 = load %S.ast.Type, ptr %a3
+  %t127 = load %S.ast.Node, ptr %a2
+  %t128 = call %S.gen.Val @finch.gen.coerce(ptr %t121, %S.gen.Val %t125, %S.ast.Type %t126, %S.ast.Node %t127, { ptr, i64, i64 } { ptr @.str.3665, i64 12, i64 0 })
+  store %S.gen.Val %t125, ptr %a129
+  call void @finch.drop.S_gen_Val(ptr %a129)
+  ret %S.gen.Val %t128
 }
 
 define internal %S.gen.Val @finch.gen.matchGen(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -48949,94 +58132,110 @@ entry:
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca i1, align 16
-  %a45 = alloca i1, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca %S.ast.Type, align 16
-  %a55 = alloca i64, align 16
-  %a57 = alloca i64, align 16
-  %a69 = alloca %S.ast.Node, align 16
-  %a70 = alloca %S.ast.Node, align 16
-  %a72 = alloca %S.ast.Node, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca i64, align 16
-  %a113 = alloca %S.gen.Val, align 16
-  %a117 = alloca i64, align 16
-  %a120 = alloca i64, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca i64, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca i1, align 16
+  %a53 = alloca i1, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca %S.ast.Type, align 16
+  %a63 = alloca i64, align 16
+  %a65 = alloca i64, align 16
+  %a77 = alloca %S.ast.Node, align 16
+  %a78 = alloca %S.ast.Node, align 16
+  %a80 = alloca %S.ast.Node, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca i64, align 16
+  %a121 = alloca %S.gen.Val, align 16
+  %a125 = alloca i64, align 16
+  %a128 = alloca i64, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca %S.gen.Val, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca %S.ast.Node, align 16
-  %a201 = alloca %S.ast.Node, align 16
-  %a203 = alloca %S.ast.Node, align 16
-  %a208 = alloca %S.gen.Val, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca %S.gen.Val, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca %S.ast.Node, align 16
+  %a209 = alloca %S.ast.Node, align 16
+  %a211 = alloca %S.ast.Node, align 16
+  %a216 = alloca %S.gen.Val, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca %S.ast.Type, align 16
-  %a238 = alloca %S.ast.Type, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca %S.ast.Type, align 16
+  %a246 = alloca %S.ast.Type, align 16
+  %a249 = alloca %S.ast.Type, align 16
+  %a256 = alloca %S.gen.Val, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
   %a279 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca %S.gen.EnumDef, align 16
-  %a324 = alloca %S.gen.EnumDef, align 16
-  %a326 = alloca %S.gen.EnumDef, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca i64, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca i64, align 16
-  %a348 = alloca i64, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca %S.gen.EnumDef, align 16
+  %a336 = alloca %S.gen.EnumDef, align 16
+  %a338 = alloca %S.gen.EnumDef, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca i64, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca i64, align 16
+  %a360 = alloca i64, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a385 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a389 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
   %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
   %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
   %a406 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
-  %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca %S.ast.Type, align 16
-  %a448 = alloca %S.ast.Type, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a450 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a457 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca %S.ast.Type, align 16
+  %a474 = alloca %S.ast.Type, align 16
+  %a481 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -49045,11 +58244,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range5299, label %inrange5300
-range5299:
-  call void @finch_panic_index(ptr @.str.3502, i64 2714, i64 0, i64 %t7)
+  br i1 %t8, label %range5664, label %inrange5665
+range5664:
+  call void @finch_panic_index(ptr @.str.3666, i64 2961, i64 0, i64 %t7)
   unreachable
-inrange5300:
+inrange5665:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
@@ -49064,713 +58263,802 @@ inrange5300:
   %t20 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.3503, i64 4, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3667, i64 4, i64 0 }, ptr %a23
   %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
   %t25 = icmp ne i32 %t24, 0
-  br label %logic.from5301
-logic.from5301:
-  br i1 %t25, label %logic.end5303, label %logic.rhs5302
-logic.rhs5302:
+  br label %logic.from5666
+logic.from5666:
+  br i1 %t25, label %logic.end5668, label %logic.rhs5667
+logic.rhs5667:
   %t26 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.3504, i64 4, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.3668, i64 4, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend5304
-logic.rend5304:
-  br label %logic.end5303
-logic.end5303:
-  %t32 = phi i1 [ true, %logic.from5301 ], [ %t31, %logic.rend5304 ]
-  br i1 %t32, label %then5305, label %endif5307
-then5305:
+  br label %logic.rend5669
+logic.rend5669:
+  br label %logic.end5668
+logic.end5668:
+  %t32 = phi i1 [ true, %logic.from5666 ], [ %t31, %logic.rend5669 ]
+  br i1 %t32, label %then5670, label %endif5672
+then5670:
   %t33 = load ptr, ptr %a1
   %t34 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t35 = load { ptr, i64, i64 }, ptr %t34
   %t36 = extractvalue { ptr, i64, i64 } %t35, 1
   %t37 = icmp uge i64 0, %t36
-  br i1 %t37, label %range5308, label %inrange5309
-range5308:
-  call void @finch_panic_index(ptr @.str.3505, i64 2717, i64 0, i64 %t36)
+  br i1 %t37, label %range5673, label %inrange5674
+range5673:
+  call void @finch_panic_index(ptr @.str.3669, i64 2964, i64 0, i64 %t36)
   unreachable
-inrange5309:
+inrange5674:
   %t38 = extractvalue { ptr, i64, i64 } %t35, 0
   %t39 = getelementptr inbounds %S.ast.Node, ptr %t38, i64 0
   %t40 = load %S.ast.Node, ptr %t39
-  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t40, { ptr, i64, i64 } { ptr @.str.3506, i64 30, i64 0 })
-  br label %endif5307
-endif5307:
+  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t40, { ptr, i64, i64 } { ptr @.str.3670, i64 30, i64 0 })
+  br label %endif5672
+endif5672:
   %t41 = load ptr, ptr %a1
-  %t42 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t41, { ptr, i64, i64 } { ptr @.str.3507, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t42, ptr %a43
-  store i1 false, ptr %a44
-  store i1 false, ptr %a45
-  store { ptr, i64, i64 } zeroinitializer, ptr %a46
-  store { ptr, i64, i64 } zeroinitializer, ptr %a47
-  store { ptr, i64, i64 } zeroinitializer, ptr %a48
-  %t49 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3508, i64 4, i64 0 })
-  store %S.ast.Type %t49, ptr %a50
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i32 0, i32 1
-  %t53 = load i64, ptr %t52
-  %t54 = sub i64 %t53, 1
-  store i64 %t54, ptr %a55
-  %t56 = load i64, ptr %a55
-  store i64 0, ptr %a57
-  br label %for.cond5310
-for.cond5310:
-  %t58 = load i64, ptr %a57
-  %t59 = icmp slt i64 %t58, %t56
-  br i1 %t59, label %for.body5311, label %for.end5313
-for.body5311:
-  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t61 = load i64, ptr %a57
-  %t62 = add i64 1, %t61
-  %t63 = load { ptr, i64, i64 }, ptr %t60
-  %t64 = extractvalue { ptr, i64, i64 } %t63, 1
-  %t65 = icmp uge i64 %t62, %t64
-  br i1 %t65, label %range5314, label %inrange5315
-range5314:
-  call void @finch_panic_index(ptr @.str.3509, i64 2728, i64 %t62, i64 %t64)
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic5675, label %ok5676
+panic5675:
+  call void @finch_panic(ptr @.str.3671, i64 2966, ptr @.str.3672)
   unreachable
-inrange5315:
-  %t66 = extractvalue { ptr, i64, i64 } %t63, 0
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %t66, i64 %t62
-  %t68 = load %S.ast.Node, ptr %t67
-  store %S.ast.Node %t68, ptr %a69
-  call void @finch.copy.S_ast_Node(ptr %a70, ptr %a69)
-  %t71 = load %S.ast.Node, ptr %a70
-  store %S.ast.Node %t71, ptr %a72
-  %t73 = load i1, ptr %a44
-  br i1 %t73, label %then5316, label %endif5318
-then5316:
-  %t74 = load ptr, ptr %a1
-  %t75 = load %S.ast.Node, ptr %a72
-  call void @finch.gen.fail(ptr %t74, %S.ast.Node %t75, { ptr, i64, i64 } { ptr @.str.3510, i64 72, i64 0 })
-  br label %endif5318
-endif5318:
-  %t76 = load ptr, ptr %a1
-  %t77 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t76, { ptr, i64, i64 } { ptr @.str.3511, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t79 = load ptr, ptr %a1
-  %t80 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t79, { ptr, i64, i64 } { ptr @.str.3512, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 6
-  %t83 = load i1, ptr %t82
-  br i1 %t83, label %then5319, label %else5320
-then5319:
-  store i1 true, ptr %a44
+ok5676:
+  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 11
+  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i32 0, i32 1
+  %t45 = load i64, ptr %t44
+  store i64 %t45, ptr %a46
+  %t47 = load ptr, ptr %a1
+  %t48 = load %S.gen.Val, ptr %a13
+  call void @finch.gen.hold(ptr %t47, %S.gen.Val %t48)
+  %t49 = load ptr, ptr %a1
+  %t50 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t49, { ptr, i64, i64 } { ptr @.str.3673, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store i1 false, ptr %a52
+  store i1 false, ptr %a53
+  store { ptr, i64, i64 } zeroinitializer, ptr %a54
+  store { ptr, i64, i64 } zeroinitializer, ptr %a55
+  store { ptr, i64, i64 } zeroinitializer, ptr %a56
+  %t57 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3674, i64 4, i64 0 })
+  store %S.ast.Type %t57, ptr %a58
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i32 0, i32 1
+  %t61 = load i64, ptr %t60
+  %t62 = sub i64 %t61, 1
+  store i64 %t62, ptr %a63
+  %t64 = load i64, ptr %a63
+  store i64 0, ptr %a65
+  br label %for.cond5677
+for.cond5677:
+  %t66 = load i64, ptr %a65
+  %t67 = icmp slt i64 %t66, %t64
+  br i1 %t67, label %for.body5678, label %for.end5680
+for.body5678:
+  %t68 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t69 = load i64, ptr %a65
+  %t70 = add i64 1, %t69
+  %t71 = load { ptr, i64, i64 }, ptr %t68
+  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
+  %t73 = icmp uge i64 %t70, %t72
+  br i1 %t73, label %range5681, label %inrange5682
+range5681:
+  call void @finch_panic_index(ptr @.str.3675, i64 2977, i64 %t70, i64 %t72)
+  unreachable
+inrange5682:
+  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t70
+  %t76 = load %S.ast.Node, ptr %t75
+  store %S.ast.Node %t76, ptr %a77
+  call void @finch.copy.S_ast_Node(ptr %a78, ptr %a77)
+  %t79 = load %S.ast.Node, ptr %a78
+  store %S.ast.Node %t79, ptr %a80
+  %t81 = load i1, ptr %a52
+  br i1 %t81, label %then5683, label %endif5685
+then5683:
+  %t82 = load ptr, ptr %a1
+  %t83 = load %S.ast.Node, ptr %a80
+  call void @finch.gen.fail(ptr %t82, %S.ast.Node %t83, { ptr, i64, i64 } { ptr @.str.3676, i64 72, i64 0 })
+  br label %endif5685
+endif5685:
   %t84 = load ptr, ptr %a1
-  %t85 = load { ptr, i64, i64 }, ptr %a78
-  call void @finch.gen.br(ptr %t84, { ptr, i64, i64 } %t85)
-  br label %endif5321
-else5320:
-  %t86 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 9
-  %t87 = load { ptr, i64, i64 }, ptr %t86
-  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
-  %t89 = icmp uge i64 0, %t88
-  br i1 %t89, label %range5322, label %inrange5323
-range5322:
-  call void @finch_panic_index(ptr @.str.3513, i64 2738, i64 0, i64 %t88)
+  %t85 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t84, { ptr, i64, i64 } { ptr @.str.3677, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t85, ptr %a86
+  %t87 = load ptr, ptr %a1
+  %t88 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t87, { ptr, i64, i64 } { ptr @.str.3678, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t88, ptr %a89
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 6
+  %t91 = load i1, ptr %t90
+  br i1 %t91, label %then5686, label %else5687
+then5686:
+  store i1 true, ptr %a52
+  %t92 = load ptr, ptr %a1
+  %t93 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.gen.br(ptr %t92, { ptr, i64, i64 } %t93)
+  br label %endif5688
+else5687:
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 9
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
+  %t97 = icmp uge i64 0, %t96
+  br i1 %t97, label %range5689, label %inrange5690
+range5689:
+  call void @finch_panic_index(ptr @.str.3679, i64 2987, i64 0, i64 %t96)
   unreachable
-inrange5323:
-  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
-  %t91 = getelementptr inbounds %S.ast.Node, ptr %t90, i64 0
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %t91, i32 0, i32 9
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store { ptr, i64, i64 } %t93, ptr %a94
-  call void @finch.copy.arr_S_ast_Node(ptr %a95, ptr %a94)
-  %t96 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t96, ptr %a97
-  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %a97, i32 0, i32 1
-  %t99 = load i64, ptr %t98
-  store i64 0, ptr %a100
-  br label %for.cond5324
-for.cond5324:
-  %t101 = load i64, ptr %a100
-  %t102 = icmp slt i64 %t101, %t99
-  br i1 %t102, label %for.body5325, label %for.end5327
-for.body5325:
-  %t103 = load ptr, ptr %a1
-  %t104 = load i64, ptr %a100
-  %t105 = load { ptr, i64, i64 }, ptr %a97
-  %t106 = extractvalue { ptr, i64, i64 } %t105, 1
-  %t107 = icmp uge i64 %t104, %t106
-  br i1 %t107, label %range5328, label %inrange5329
-range5328:
-  call void @finch_panic_index(ptr @.str.3514, i64 2740, i64 %t104, i64 %t106)
+inrange5690:
+  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
+  %t99 = getelementptr inbounds %S.ast.Node, ptr %t98, i64 0
+  %t100 = getelementptr inbounds %S.ast.Node, ptr %t99, i32 0, i32 9
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch.copy.arr_S_ast_Node(ptr %a103, ptr %a102)
+  %t104 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t104, ptr %a105
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %a105, i32 0, i32 1
+  %t107 = load i64, ptr %t106
+  store i64 0, ptr %a108
+  br label %for.cond5691
+for.cond5691:
+  %t109 = load i64, ptr %a108
+  %t110 = icmp slt i64 %t109, %t107
+  br i1 %t110, label %for.body5692, label %for.end5694
+for.body5692:
+  %t111 = load ptr, ptr %a1
+  %t112 = load i64, ptr %a108
+  %t113 = load { ptr, i64, i64 }, ptr %a105
+  %t114 = extractvalue { ptr, i64, i64 } %t113, 1
+  %t115 = icmp uge i64 %t112, %t114
+  br i1 %t115, label %range5695, label %inrange5696
+range5695:
+  call void @finch_panic_index(ptr @.str.3680, i64 2989, i64 %t112, i64 %t114)
   unreachable
-inrange5329:
-  %t108 = extractvalue { ptr, i64, i64 } %t105, 0
-  %t109 = getelementptr inbounds %S.ast.Node, ptr %t108, i64 %t104
-  %t110 = load %S.ast.Node, ptr %t109
-  %t111 = load %S.ast.Type, ptr %a19
-  %t112 = call %S.gen.Val @finch.gen.patternValue(ptr %t103, %S.ast.Node %t110, %S.ast.Type %t111)
-  store %S.gen.Val %t112, ptr %a113
-  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %a46, i32 0, i32 1
-  %t115 = getelementptr inbounds %S.gen.Val, ptr %a113, i32 0, i32 0
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store i64 -1, ptr %a117
-  %t118 = load i64, ptr %t114
-  %t119 = load ptr, ptr %a46
-  store i64 0, ptr %a120
-  br label %find.cond5330
-find.cond5330:
-  %t121 = load i64, ptr %a120
-  %t122 = icmp slt i64 %t121, %t118
-  br i1 %t122, label %find.body5331, label %find.end5334
-find.body5331:
-  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i64 %t121
+inrange5696:
+  %t116 = extractvalue { ptr, i64, i64 } %t113, 0
+  %t117 = getelementptr inbounds %S.ast.Node, ptr %t116, i64 %t112
+  %t118 = load %S.ast.Node, ptr %t117
+  %t119 = load %S.ast.Type, ptr %a19
+  %t120 = call %S.gen.Val @finch.gen.patternValue(ptr %t111, %S.ast.Node %t118, %S.ast.Type %t119)
+  store %S.gen.Val %t120, ptr %a121
+  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
+  %t123 = getelementptr inbounds %S.gen.Val, ptr %a121, i32 0, i32 0
   %t124 = load { ptr, i64, i64 }, ptr %t123
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } %t116, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br i1 %t128, label %find.hit5332, label %find.next5333
-find.hit5332:
-  store i64 %t121, ptr %a117
-  br label %find.end5334
-find.next5333:
-  %t129 = add i64 %t121, 1
-  store i64 %t129, ptr %a120
-  br label %find.cond5330
-find.end5334:
-  %t130 = load i64, ptr %a117
-  %t131 = icmp sge i64 %t130, 0
-  br label %logic.from5335
-logic.from5335:
-  br i1 %t131, label %logic.rhs5336, label %logic.end5337
-logic.rhs5336:
-  %t132 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
-  %t133 = load { ptr, i64, i64 }, ptr %t132
-  store { ptr, i64, i64 } %t133, ptr %a134
-  store { ptr, i64, i64 } { ptr @.str.3515, i64 4, i64 0 }, ptr %a135
-  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
-  %t137 = icmp ne i32 %t136, 0
-  br label %logic.rend5338
-logic.rend5338:
-  br label %logic.end5337
-logic.end5337:
-  %t138 = phi i1 [ false, %logic.from5335 ], [ %t137, %logic.rend5338 ]
-  br i1 %t138, label %then5339, label %endif5341
-then5339:
-  %t139 = load ptr, ptr %a1
-  %t140 = load i64, ptr %a100
-  %t141 = load { ptr, i64, i64 }, ptr %a97
-  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
-  %t143 = icmp uge i64 %t140, %t142
-  br i1 %t143, label %range5342, label %inrange5343
-range5342:
-  call void @finch_panic_index(ptr @.str.3516, i64 2742, i64 %t140, i64 %t142)
+  store i64 -1, ptr %a125
+  %t126 = load i64, ptr %t122
+  %t127 = load ptr, ptr %a54
+  store i64 0, ptr %a128
+  br label %find.cond5697
+find.cond5697:
+  %t129 = load i64, ptr %a128
+  %t130 = icmp slt i64 %t129, %t126
+  br i1 %t130, label %find.body5698, label %find.end5701
+find.body5698:
+  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i64 %t129
+  %t132 = load { ptr, i64, i64 }, ptr %t131
+  store { ptr, i64, i64 } %t132, ptr %a133
+  store { ptr, i64, i64 } %t124, ptr %a134
+  %t135 = call i32 @finch_str_eq(ptr %a133, ptr %a134)
+  %t136 = icmp ne i32 %t135, 0
+  br i1 %t136, label %find.hit5699, label %find.next5700
+find.hit5699:
+  store i64 %t129, ptr %a125
+  br label %find.end5701
+find.next5700:
+  %t137 = add i64 %t129, 1
+  store i64 %t137, ptr %a128
+  br label %find.cond5697
+find.end5701:
+  %t138 = load i64, ptr %a125
+  %t139 = icmp sge i64 %t138, 0
+  br label %logic.from5702
+logic.from5702:
+  br i1 %t139, label %logic.rhs5703, label %logic.end5704
+logic.rhs5703:
+  %t140 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.3681, i64 4, i64 0 }, ptr %a143
+  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
+  %t145 = icmp ne i32 %t144, 0
+  br label %logic.rend5705
+logic.rend5705:
+  br label %logic.end5704
+logic.end5704:
+  %t146 = phi i1 [ false, %logic.from5702 ], [ %t145, %logic.rend5705 ]
+  br i1 %t146, label %then5706, label %endif5708
+then5706:
+  %t147 = load ptr, ptr %a1
+  %t148 = load i64, ptr %a108
+  %t149 = load { ptr, i64, i64 }, ptr %a105
+  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
+  %t151 = icmp uge i64 %t148, %t150
+  br i1 %t151, label %range5709, label %inrange5710
+range5709:
+  call void @finch_panic_index(ptr @.str.3682, i64 2991, i64 %t148, i64 %t150)
   unreachable
-inrange5343:
-  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %t144, i64 %t140
-  %t146 = load %S.ast.Node, ptr %t145
-  call void @finch.gen.fail(ptr %t139, %S.ast.Node %t146, { ptr, i64, i64 } { ptr @.str.3517, i64 49, i64 0 })
-  br label %endif5341
-endif5341:
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %a46, i32 0, i32 1
-  %t148 = getelementptr inbounds %S.gen.Val, ptr %a113, i32 0, i32 0
-  %t149 = load { ptr, i64, i64 }, ptr %t148
-  store { ptr, i64, i64 } %t149, ptr %a150
-  call void @finch_str_copy(ptr %a151, ptr %a150)
-  %t152 = load { ptr, i64, i64 }, ptr %a151
-  %t153 = load i64, ptr %t147
-  %t154 = add i64 %t153, 1
-  call void @finch_arr_reserve(ptr %a46, i64 %t154, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t155 = load ptr, ptr %a46
-  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %t155, i64 %t153
-  store { ptr, i64, i64 } %t152, ptr %t156
-  store i64 %t154, ptr %t147
-  %t157 = load ptr, ptr %a1
-  %t158 = load %S.gen.Val, ptr %a13
-  %t159 = load %S.gen.Val, ptr %a113
-  %t160 = load i64, ptr %a100
-  %t161 = load { ptr, i64, i64 }, ptr %a97
-  %t162 = extractvalue { ptr, i64, i64 } %t161, 1
-  %t163 = icmp uge i64 %t160, %t162
-  br i1 %t163, label %range5344, label %inrange5345
-range5344:
-  call void @finch_panic_index(ptr @.str.3519, i64 2745, i64 %t160, i64 %t162)
+inrange5710:
+  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
+  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 %t148
+  %t154 = load %S.ast.Node, ptr %t153
+  call void @finch.gen.fail(ptr %t147, %S.ast.Node %t154, { ptr, i64, i64 } { ptr @.str.3683, i64 49, i64 0 })
+  br label %endif5708
+endif5708:
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
+  %t156 = getelementptr inbounds %S.gen.Val, ptr %a121, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_copy(ptr %a159, ptr %a158)
+  %t160 = load { ptr, i64, i64 }, ptr %a159
+  %t161 = load i64, ptr %t155
+  %t162 = add i64 %t161, 1
+  call void @finch_arr_reserve(ptr %a54, i64 %t162, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t163 = load ptr, ptr %a54
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i64 %t161
+  store { ptr, i64, i64 } %t160, ptr %t164
+  store i64 %t162, ptr %t155
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.gen.Val, ptr %a13
+  %t167 = load %S.gen.Val, ptr %a121
+  %t168 = load i64, ptr %a108
+  %t169 = load { ptr, i64, i64 }, ptr %a105
+  %t170 = extractvalue { ptr, i64, i64 } %t169, 1
+  %t171 = icmp uge i64 %t168, %t170
+  br i1 %t171, label %range5711, label %inrange5712
+range5711:
+  call void @finch_panic_index(ptr @.str.3685, i64 2994, i64 %t168, i64 %t170)
   unreachable
-inrange5345:
-  %t164 = extractvalue { ptr, i64, i64 } %t161, 0
-  %t165 = getelementptr inbounds %S.ast.Node, ptr %t164, i64 %t160
-  %t166 = load %S.ast.Node, ptr %t165
-  %t167 = call %S.gen.Val @finch.gen.compare(ptr %t157, { ptr, i64, i64 } { ptr @.str.3518, i64 2, i64 0 }, %S.gen.Val %t158, %S.gen.Val %t159, %S.ast.Node %t166)
-  store %S.gen.Val %t167, ptr %a168
-  %t169 = load i64, ptr %a100
-  %t170 = getelementptr inbounds { ptr, i64, i64 }, ptr %a97, i32 0, i32 1
-  %t171 = load i64, ptr %t170
-  %t172 = sub i64 %t171, 1
-  %t173 = icmp eq i64 %t169, %t172
-  br i1 %t173, label %then5346, label %else5347
-then5346:
-  %t174 = load ptr, ptr %a1
-  %t175 = getelementptr inbounds %S.gen.Val, ptr %a168, i32 0, i32 0
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  %t177 = load { ptr, i64, i64 }, ptr %a78
-  %t178 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.condBr(ptr %t174, { ptr, i64, i64 } %t176, { ptr, i64, i64 } %t177, { ptr, i64, i64 } %t178)
-  br label %endif5348
-else5347:
-  %t179 = load ptr, ptr %a1
-  %t180 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t179, { ptr, i64, i64 } { ptr @.str.3520, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t180, ptr %a181
+inrange5712:
+  %t172 = extractvalue { ptr, i64, i64 } %t169, 0
+  %t173 = getelementptr inbounds %S.ast.Node, ptr %t172, i64 %t168
+  %t174 = load %S.ast.Node, ptr %t173
+  %t175 = call %S.gen.Val @finch.gen.compare(ptr %t165, { ptr, i64, i64 } { ptr @.str.3684, i64 2, i64 0 }, %S.gen.Val %t166, %S.gen.Val %t167, %S.ast.Node %t174)
+  store %S.gen.Val %t175, ptr %a176
+  %t177 = load i64, ptr %a108
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %a105, i32 0, i32 1
+  %t179 = load i64, ptr %t178
+  %t180 = sub i64 %t179, 1
+  %t181 = icmp eq i64 %t177, %t180
+  br i1 %t181, label %then5713, label %else5714
+then5713:
   %t182 = load ptr, ptr %a1
-  %t183 = getelementptr inbounds %S.gen.Val, ptr %a168, i32 0, i32 0
+  %t183 = getelementptr inbounds %S.gen.Val, ptr %a176, i32 0, i32 0
   %t184 = load { ptr, i64, i64 }, ptr %t183
-  %t185 = load { ptr, i64, i64 }, ptr %a78
-  %t186 = load { ptr, i64, i64 }, ptr %a181
+  %t185 = load { ptr, i64, i64 }, ptr %a86
+  %t186 = load { ptr, i64, i64 }, ptr %a89
   call void @finch.gen.condBr(ptr %t182, { ptr, i64, i64 } %t184, { ptr, i64, i64 } %t185, { ptr, i64, i64 } %t186)
+  br label %endif5715
+else5714:
   %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a181
-  call void @finch.gen.label(ptr %t187, { ptr, i64, i64 } %t188)
-  br label %endif5348
-endif5348:
-  br label %for.step5326
-for.step5326:
-  %t189 = load i64, ptr %a100
-  %t190 = add i64 %t189, 1
-  store i64 %t190, ptr %a100
-  br label %for.cond5324
-for.end5327:
-  br label %endif5321
-endif5321:
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a78
-  call void @finch.gen.label(ptr %t191, { ptr, i64, i64 } %t192)
-  %t193 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 9
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  %t195 = extractvalue { ptr, i64, i64 } %t194, 1
-  %t196 = icmp uge i64 1, %t195
-  br i1 %t196, label %range5349, label %inrange5350
-range5349:
-  call void @finch_panic_index(ptr @.str.3521, i64 2756, i64 1, i64 %t195)
+  %t188 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t187, { ptr, i64, i64 } { ptr @.str.3686, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t188, ptr %a189
+  %t190 = load ptr, ptr %a1
+  %t191 = getelementptr inbounds %S.gen.Val, ptr %a176, i32 0, i32 0
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  %t193 = load { ptr, i64, i64 }, ptr %a86
+  %t194 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch.gen.condBr(ptr %t190, { ptr, i64, i64 } %t192, { ptr, i64, i64 } %t193, { ptr, i64, i64 } %t194)
+  %t195 = load ptr, ptr %a1
+  %t196 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch.gen.label(ptr %t195, { ptr, i64, i64 } %t196)
+  call void @finch_str_drop(ptr %a189)
+  br label %endif5715
+endif5715:
+  call void @finch.drop.S_gen_Val(ptr %a176)
+  call void @finch.drop.S_gen_Val(ptr %a121)
+  br label %for.step5693
+for.step5693:
+  %t197 = load i64, ptr %a108
+  %t198 = add i64 %t197, 1
+  store i64 %t198, ptr %a108
+  br label %for.cond5691
+for.end5694:
+  call void @finch.drop.arr_S_ast_Node(ptr %a105)
+  br label %endif5688
+endif5688:
+  %t199 = load ptr, ptr %a1
+  %t200 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.gen.label(ptr %t199, { ptr, i64, i64 } %t200)
+  %t201 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 9
+  %t202 = load { ptr, i64, i64 }, ptr %t201
+  %t203 = extractvalue { ptr, i64, i64 } %t202, 1
+  %t204 = icmp uge i64 1, %t203
+  br i1 %t204, label %range5716, label %inrange5717
+range5716:
+  call void @finch_panic_index(ptr @.str.3687, i64 3005, i64 1, i64 %t203)
   unreachable
-inrange5350:
-  %t197 = extractvalue { ptr, i64, i64 } %t194, 0
-  %t198 = getelementptr inbounds %S.ast.Node, ptr %t197, i64 1
-  %t199 = load %S.ast.Node, ptr %t198
-  store %S.ast.Node %t199, ptr %a200
-  call void @finch.copy.S_ast_Node(ptr %a201, ptr %a200)
-  %t202 = load %S.ast.Node, ptr %a201
-  store %S.ast.Node %t202, ptr %a203
-  %t204 = load i1, ptr %a3
-  br i1 %t204, label %then5351, label %else5352
-then5351:
-  %t205 = load ptr, ptr %a1
-  %t206 = load %S.ast.Node, ptr %a203
-  %t207 = call %S.gen.Val @finch.gen.expr(ptr %t205, %S.ast.Node %t206)
-  store %S.gen.Val %t207, ptr %a208
-  %t209 = load i64, ptr %a57
-  %t210 = icmp eq i64 %t209, 0
-  br label %logic.from5354
-logic.from5354:
-  br i1 %t210, label %logic.end5356, label %logic.rhs5355
-logic.rhs5355:
-  %t211 = getelementptr inbounds %S.ast.Type, ptr %a50, i32 0, i32 0
-  %t212 = load { ptr, i64, i64 }, ptr %t211
-  store { ptr, i64, i64 } %t212, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.3522, i64 4, i64 0 }, ptr %a214
-  %t215 = call i32 @finch_str_eq(ptr %a213, ptr %a214)
-  %t216 = icmp ne i32 %t215, 0
-  br label %logic.rend5357
-logic.rend5357:
-  br label %logic.end5356
-logic.end5356:
-  %t217 = phi i1 [ true, %logic.from5354 ], [ %t216, %logic.rend5357 ]
-  br i1 %t217, label %then5358, label %endif5360
-then5358:
-  %t218 = getelementptr inbounds %S.gen.Val, ptr %a208, i32 0, i32 1
-  %t219 = getelementptr inbounds %S.ast.Type, ptr %t218, i32 0, i32 0
+inrange5717:
+  %t205 = extractvalue { ptr, i64, i64 } %t202, 0
+  %t206 = getelementptr inbounds %S.ast.Node, ptr %t205, i64 1
+  %t207 = load %S.ast.Node, ptr %t206
+  store %S.ast.Node %t207, ptr %a208
+  call void @finch.copy.S_ast_Node(ptr %a209, ptr %a208)
+  %t210 = load %S.ast.Node, ptr %a209
+  store %S.ast.Node %t210, ptr %a211
+  %t212 = load i1, ptr %a3
+  br i1 %t212, label %then5718, label %else5719
+then5718:
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.ast.Node, ptr %a211
+  %t215 = call %S.gen.Val @finch.gen.expr(ptr %t213, %S.ast.Node %t214)
+  store %S.gen.Val %t215, ptr %a216
+  %t217 = load i64, ptr %a65
+  %t218 = icmp eq i64 %t217, 0
+  br label %logic.from5721
+logic.from5721:
+  br i1 %t218, label %logic.end5723, label %logic.rhs5722
+logic.rhs5722:
+  %t219 = getelementptr inbounds %S.ast.Type, ptr %a58, i32 0, i32 0
   %t220 = load { ptr, i64, i64 }, ptr %t219
   store { ptr, i64, i64 } %t220, ptr %a221
-  store { ptr, i64, i64 } { ptr @.str.3523, i64 4, i64 0 }, ptr %a222
+  store { ptr, i64, i64 } { ptr @.str.3688, i64 4, i64 0 }, ptr %a222
   %t223 = call i32 @finch_str_eq(ptr %a221, ptr %a222)
   %t224 = icmp ne i32 %t223, 0
-  br label %logic.from5361
-logic.from5361:
-  br i1 %t224, label %logic.end5363, label %logic.rhs5362
-logic.rhs5362:
-  %t225 = getelementptr inbounds %S.gen.Val, ptr %a208, i32 0, i32 1
-  %t226 = getelementptr inbounds %S.ast.Type, ptr %t225, i32 0, i32 0
-  %t227 = load { ptr, i64, i64 }, ptr %t226
-  store { ptr, i64, i64 } %t227, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.3524, i64 4, i64 0 }, ptr %a229
-  %t230 = call i32 @finch_str_eq(ptr %a228, ptr %a229)
-  %t231 = icmp ne i32 %t230, 0
-  br label %logic.rend5364
-logic.rend5364:
-  br label %logic.end5363
-logic.end5363:
-  %t232 = phi i1 [ true, %logic.from5361 ], [ %t231, %logic.rend5364 ]
-  br i1 %t232, label %then5365, label %endif5367
-then5365:
-  %t233 = load ptr, ptr %a1
-  %t234 = load %S.ast.Node, ptr %a203
-  call void @finch.gen.fail(ptr %t233, %S.ast.Node %t234, { ptr, i64, i64 } { ptr @.str.3525, i64 52, i64 0 })
-  br label %endif5367
-endif5367:
-  %t235 = getelementptr inbounds %S.gen.Val, ptr %a208, i32 0, i32 1
-  %t236 = load %S.ast.Type, ptr %t235
-  store %S.ast.Type %t236, ptr %a237
-  call void @finch.copy.S_ast_Type(ptr %a238, ptr %a237)
-  %t239 = load %S.ast.Type, ptr %a238
-  store %S.ast.Type %t239, ptr %a50
-  br label %endif5360
-endif5360:
-  %t240 = load ptr, ptr %a1
-  %t241 = load %S.gen.Val, ptr %a208
-  %t242 = load %S.ast.Type, ptr %a50
-  %t243 = load %S.ast.Node, ptr %a203
-  %t244 = call %S.gen.Val @finch.gen.coerce(ptr %t240, %S.gen.Val %t241, %S.ast.Type %t242, %S.ast.Node %t243, { ptr, i64, i64 } { ptr @.str.3526, i64 57, i64 0 })
-  store %S.gen.Val %t244, ptr %a208
-  %t245 = load ptr, ptr %a1
-  %t246 = load %S.gen.Val, ptr %a208
-  %t247 = call { ptr, i64, i64 } @finch.gen.own(ptr %t245, %S.gen.Val %t246)
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = load ptr, ptr %a1
-  %t250 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t249, { ptr, i64, i64 } { ptr @.str.3527, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t250, ptr %a251
-  %t252 = load ptr, ptr %a1
-  %t253 = load { ptr, i64, i64 }, ptr %a251
-  call void @finch.gen.br(ptr %t252, { ptr, i64, i64 } %t253)
-  %t254 = load ptr, ptr %a1
-  %t255 = load { ptr, i64, i64 }, ptr %a251
-  call void @finch.gen.label(ptr %t254, { ptr, i64, i64 } %t255)
-  %t256 = getelementptr inbounds { ptr, i64, i64 }, ptr %a47, i32 0, i32 1
-  %t257 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t257, ptr %a258
-  call void @finch_str_copy(ptr %a259, ptr %a258)
-  %t260 = load { ptr, i64, i64 }, ptr %a259
-  %t261 = load i64, ptr %t256
-  %t262 = add i64 %t261, 1
-  call void @finch_arr_reserve(ptr %a47, i64 %t262, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t263 = load ptr, ptr %a47
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i64 %t261
-  store { ptr, i64, i64 } %t260, ptr %t264
-  store i64 %t262, ptr %t256
-  %t265 = getelementptr inbounds { ptr, i64, i64 }, ptr %a48, i32 0, i32 1
-  %t266 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } %t266, ptr %a267
-  call void @finch_str_copy(ptr %a268, ptr %a267)
-  %t269 = load { ptr, i64, i64 }, ptr %a268
-  %t270 = load i64, ptr %t265
-  %t271 = add i64 %t270, 1
-  call void @finch_arr_reserve(ptr %a48, i64 %t271, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t272 = load ptr, ptr %a48
-  %t273 = getelementptr inbounds { ptr, i64, i64 }, ptr %t272, i64 %t270
-  store { ptr, i64, i64 } %t269, ptr %t273
-  store i64 %t271, ptr %t265
-  %t274 = load ptr, ptr %a1
-  %t275 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.br(ptr %t274, { ptr, i64, i64 } %t275)
-  store i1 true, ptr %a45
-  br label %endif5353
-else5352:
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %a203, i32 0, i32 0
-  %t277 = load { ptr, i64, i64 }, ptr %t276
-  store { ptr, i64, i64 } %t277, ptr %a278
-  store { ptr, i64, i64 } { ptr @.str.3528, i64 5, i64 0 }, ptr %a279
-  %t280 = call i32 @finch_str_eq(ptr %a278, ptr %a279)
-  %t281 = icmp ne i32 %t280, 0
-  br i1 %t281, label %then5368, label %else5369
-then5368:
-  %t282 = load ptr, ptr %a1
-  %t283 = load %S.ast.Node, ptr %a203
-  call void @finch.gen.block(ptr %t282, %S.ast.Node %t283, i1 true)
-  br label %endif5370
-else5369:
-  %t284 = load ptr, ptr %a1
-  %t285 = load %S.ast.Node, ptr %a203
-  call void @finch.gen.stmt(ptr %t284, %S.ast.Node %t285)
-  br label %endif5370
-endif5370:
+  br label %logic.rend5724
+logic.rend5724:
+  br label %logic.end5723
+logic.end5723:
+  %t225 = phi i1 [ true, %logic.from5721 ], [ %t224, %logic.rend5724 ]
+  br i1 %t225, label %then5725, label %endif5727
+then5725:
+  %t226 = getelementptr inbounds %S.gen.Val, ptr %a216, i32 0, i32 1
+  %t227 = getelementptr inbounds %S.ast.Type, ptr %t226, i32 0, i32 0
+  %t228 = load { ptr, i64, i64 }, ptr %t227
+  store { ptr, i64, i64 } %t228, ptr %a229
+  store { ptr, i64, i64 } { ptr @.str.3689, i64 4, i64 0 }, ptr %a230
+  %t231 = call i32 @finch_str_eq(ptr %a229, ptr %a230)
+  %t232 = icmp ne i32 %t231, 0
+  br label %logic.from5728
+logic.from5728:
+  br i1 %t232, label %logic.end5730, label %logic.rhs5729
+logic.rhs5729:
+  %t233 = getelementptr inbounds %S.gen.Val, ptr %a216, i32 0, i32 1
+  %t234 = getelementptr inbounds %S.ast.Type, ptr %t233, i32 0, i32 0
+  %t235 = load { ptr, i64, i64 }, ptr %t234
+  store { ptr, i64, i64 } %t235, ptr %a236
+  store { ptr, i64, i64 } { ptr @.str.3690, i64 4, i64 0 }, ptr %a237
+  %t238 = call i32 @finch_str_eq(ptr %a236, ptr %a237)
+  %t239 = icmp ne i32 %t238, 0
+  br label %logic.rend5731
+logic.rend5731:
+  br label %logic.end5730
+logic.end5730:
+  %t240 = phi i1 [ true, %logic.from5728 ], [ %t239, %logic.rend5731 ]
+  br i1 %t240, label %then5732, label %endif5734
+then5732:
+  %t241 = load ptr, ptr %a1
+  %t242 = load %S.ast.Node, ptr %a211
+  call void @finch.gen.fail(ptr %t241, %S.ast.Node %t242, { ptr, i64, i64 } { ptr @.str.3691, i64 52, i64 0 })
+  br label %endif5734
+endif5734:
+  %t243 = getelementptr inbounds %S.gen.Val, ptr %a216, i32 0, i32 1
+  %t244 = load %S.ast.Type, ptr %t243
+  store %S.ast.Type %t244, ptr %a245
+  call void @finch.copy.S_ast_Type(ptr %a246, ptr %a245)
+  %t247 = load %S.ast.Type, ptr %a246
+  %t248 = load %S.ast.Type, ptr %a58
+  store %S.ast.Type %t247, ptr %a58
+  store %S.ast.Type %t248, ptr %a249
+  call void @finch.drop.S_ast_Type(ptr %a249)
+  br label %endif5727
+endif5727:
+  %t250 = load ptr, ptr %a1
+  %t251 = load %S.gen.Val, ptr %a216
+  %t252 = load %S.ast.Type, ptr %a58
+  %t253 = load %S.ast.Node, ptr %a211
+  %t254 = call %S.gen.Val @finch.gen.coerce(ptr %t250, %S.gen.Val %t251, %S.ast.Type %t252, %S.ast.Node %t253, { ptr, i64, i64 } { ptr @.str.3692, i64 57, i64 0 })
+  %t255 = load %S.gen.Val, ptr %a216
+  store %S.gen.Val %t254, ptr %a216
+  store %S.gen.Val %t255, ptr %a256
+  call void @finch.drop.S_gen_Val(ptr %a256)
+  %t257 = load ptr, ptr %a1
+  %t258 = load %S.gen.Val, ptr %a216
+  %t259 = call { ptr, i64, i64 } @finch.gen.own(ptr %t257, %S.gen.Val %t258)
+  store { ptr, i64, i64 } %t259, ptr %a260
+  %t261 = load ptr, ptr %a1
+  %t262 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t261, { ptr, i64, i64 } { ptr @.str.3693, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t262, ptr %a263
+  %t264 = load ptr, ptr %a1
+  %t265 = load { ptr, i64, i64 }, ptr %a263
+  call void @finch.gen.br(ptr %t264, { ptr, i64, i64 } %t265)
+  %t266 = load ptr, ptr %a1
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  call void @finch.gen.label(ptr %t266, { ptr, i64, i64 } %t267)
+  %t268 = getelementptr inbounds { ptr, i64, i64 }, ptr %a55, i32 0, i32 1
+  %t269 = load { ptr, i64, i64 }, ptr %a260
+  store { ptr, i64, i64 } %t269, ptr %a270
+  call void @finch_str_copy(ptr %a271, ptr %a270)
+  %t272 = load { ptr, i64, i64 }, ptr %a271
+  %t273 = load i64, ptr %t268
+  %t274 = add i64 %t273, 1
+  call void @finch_arr_reserve(ptr %a55, i64 %t274, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t275 = load ptr, ptr %a55
+  %t276 = getelementptr inbounds { ptr, i64, i64 }, ptr %t275, i64 %t273
+  store { ptr, i64, i64 } %t272, ptr %t276
+  store i64 %t274, ptr %t268
+  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %a56, i32 0, i32 1
+  %t278 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t278, ptr %a279
+  call void @finch_str_copy(ptr %a280, ptr %a279)
+  %t281 = load { ptr, i64, i64 }, ptr %a280
+  %t282 = load i64, ptr %t277
+  %t283 = add i64 %t282, 1
+  call void @finch_arr_reserve(ptr %a56, i64 %t283, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t284 = load ptr, ptr %a56
+  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 %t282
+  store { ptr, i64, i64 } %t281, ptr %t285
+  store i64 %t283, ptr %t277
   %t286 = load ptr, ptr %a1
-  %t287 = icmp eq ptr %t286, null
-  br i1 %t287, label %panic5371, label %ok5372
-panic5371:
-  call void @finch_panic(ptr @.str.3529, i64 2780, ptr @.str.3530)
-  unreachable
-ok5372:
-  %t288 = getelementptr inbounds %S.gen.Gen, ptr %t286, i32 0, i32 9
-  %t289 = load i1, ptr %t288
-  %t290 = xor i1 %t289, true
-  br i1 %t290, label %then5373, label %endif5375
-then5373:
-  store i1 true, ptr %a45
-  br label %endif5375
-endif5375:
-  %t291 = load ptr, ptr %a1
-  %t292 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.br(ptr %t291, { ptr, i64, i64 } %t292)
-  br label %endif5353
-endif5353:
-  %t293 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 6
-  %t294 = load i1, ptr %t293
-  %t295 = xor i1 %t294, true
-  br i1 %t295, label %then5376, label %endif5378
-then5376:
+  %t287 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.br(ptr %t286, { ptr, i64, i64 } %t287)
+  store i1 true, ptr %a53
+  call void @finch_str_drop(ptr %a263)
+  call void @finch_str_drop(ptr %a260)
+  call void @finch.drop.S_gen_Val(ptr %a216)
+  br label %endif5720
+else5719:
+  %t288 = getelementptr inbounds %S.ast.Node, ptr %a211, i32 0, i32 0
+  %t289 = load { ptr, i64, i64 }, ptr %t288
+  store { ptr, i64, i64 } %t289, ptr %a290
+  store { ptr, i64, i64 } { ptr @.str.3694, i64 5, i64 0 }, ptr %a291
+  %t292 = call i32 @finch_str_eq(ptr %a290, ptr %a291)
+  %t293 = icmp ne i32 %t292, 0
+  br i1 %t293, label %then5735, label %else5736
+then5735:
+  %t294 = load ptr, ptr %a1
+  %t295 = load %S.ast.Node, ptr %a211
+  call void @finch.gen.block(ptr %t294, %S.ast.Node %t295, i1 true)
+  br label %endif5737
+else5736:
   %t296 = load ptr, ptr %a1
-  %t297 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.label(ptr %t296, { ptr, i64, i64 } %t297)
-  br label %endif5378
-endif5378:
-  br label %for.step5312
-for.step5312:
-  %t298 = load i64, ptr %a57
-  %t299 = add i64 %t298, 1
-  store i64 %t299, ptr %a57
-  br label %for.cond5310
-for.end5313:
-  %t300 = load i1, ptr %a44
-  %t301 = xor i1 %t300, true
-  br i1 %t301, label %then5379, label %endif5381
-then5379:
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  store { ptr, i64, i64 } %t303, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.3531, i64 4, i64 0 }, ptr %a305
-  %t306 = call i32 @finch_str_eq(ptr %a304, ptr %a305)
-  %t307 = icmp ne i32 %t306, 0
-  br i1 %t307, label %then5382, label %else5383
-then5382:
+  %t297 = load %S.ast.Node, ptr %a211
+  call void @finch.gen.stmt(ptr %t296, %S.ast.Node %t297)
+  br label %endif5737
+endif5737:
+  %t298 = load ptr, ptr %a1
+  %t299 = icmp eq ptr %t298, null
+  br i1 %t299, label %panic5738, label %ok5739
+panic5738:
+  call void @finch_panic(ptr @.str.3695, i64 3029, ptr @.str.3696)
+  unreachable
+ok5739:
+  %t300 = getelementptr inbounds %S.gen.Gen, ptr %t298, i32 0, i32 9
+  %t301 = load i1, ptr %t300
+  %t302 = xor i1 %t301, true
+  br i1 %t302, label %then5740, label %endif5742
+then5740:
+  store i1 true, ptr %a53
+  br label %endif5742
+endif5742:
+  %t303 = load ptr, ptr %a1
+  %t304 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.br(ptr %t303, { ptr, i64, i64 } %t304)
+  br label %endif5720
+endif5720:
+  %t305 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 6
+  %t306 = load i1, ptr %t305
+  %t307 = xor i1 %t306, true
+  br i1 %t307, label %then5743, label %endif5745
+then5743:
   %t308 = load ptr, ptr %a1
-  %t309 = icmp eq ptr %t308, null
-  br i1 %t309, label %panic5385, label %ok5386
-panic5385:
-  call void @finch_panic(ptr @.str.3532, i64 2791, ptr @.str.3533)
-  unreachable
-ok5386:
-  %t310 = getelementptr inbounds %S.gen.Gen, ptr %t308, i32 0, i32 20
-  %t311 = load ptr, ptr %a1
-  %t312 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 3
-  %t313 = load { ptr, i64, i64 }, ptr %t312
-  %t314 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 2
+  %t309 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.label(ptr %t308, { ptr, i64, i64 } %t309)
+  br label %endif5745
+endif5745:
+  call void @finch.drop.S_ast_Node(ptr %a211)
+  call void @finch_str_drop(ptr %a89)
+  call void @finch_str_drop(ptr %a86)
+  call void @finch.drop.S_ast_Node(ptr %a80)
+  br label %for.step5679
+for.step5679:
+  %t310 = load i64, ptr %a65
+  %t311 = add i64 %t310, 1
+  store i64 %t311, ptr %a65
+  br label %for.cond5677
+for.end5680:
+  %t312 = load i1, ptr %a52
+  %t313 = xor i1 %t312, true
+  br i1 %t313, label %then5746, label %endif5748
+then5746:
+  %t314 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
   %t315 = load { ptr, i64, i64 }, ptr %t314
-  %t316 = call i64 @finch.gen.findEnum(ptr %t311, { ptr, i64, i64 } %t313, { ptr, i64, i64 } %t315)
-  %t317 = load { ptr, i64, i64 }, ptr %t310
-  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
-  %t319 = icmp uge i64 %t316, %t318
-  br i1 %t319, label %range5387, label %inrange5388
-range5387:
-  call void @finch_panic_index(ptr @.str.3534, i64 2791, i64 %t316, i64 %t318)
+  store { ptr, i64, i64 } %t315, ptr %a316
+  store { ptr, i64, i64 } { ptr @.str.3697, i64 4, i64 0 }, ptr %a317
+  %t318 = call i32 @finch_str_eq(ptr %a316, ptr %a317)
+  %t319 = icmp ne i32 %t318, 0
+  br i1 %t319, label %then5749, label %else5750
+then5749:
+  %t320 = load ptr, ptr %a1
+  %t321 = icmp eq ptr %t320, null
+  br i1 %t321, label %panic5752, label %ok5753
+panic5752:
+  call void @finch_panic(ptr @.str.3698, i64 3040, ptr @.str.3699)
   unreachable
-inrange5388:
-  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
-  %t321 = getelementptr inbounds %S.gen.EnumDef, ptr %t320, i64 %t316
-  %t322 = load %S.gen.EnumDef, ptr %t321
-  store %S.gen.EnumDef %t322, ptr %a323
-  call void @finch.copy.S_gen_EnumDef(ptr %a324, ptr %a323)
-  %t325 = load %S.gen.EnumDef, ptr %a324
-  store %S.gen.EnumDef %t325, ptr %a326
-  store { ptr, i64, i64 } zeroinitializer, ptr %a327
-  %t328 = getelementptr inbounds %S.gen.EnumDef, ptr %a326, i32 0, i32 2
-  %t329 = getelementptr inbounds { ptr, i64, i64 }, ptr %t328, i32 0, i32 1
-  %t330 = load i64, ptr %t329
-  store i64 0, ptr %a331
-  br label %for.cond5389
-for.cond5389:
-  %t332 = load i64, ptr %a331
-  %t333 = icmp slt i64 %t332, %t330
-  br i1 %t333, label %for.body5390, label %for.end5392
-for.body5390:
-  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %a46, i32 0, i32 1
-  %t335 = getelementptr inbounds %S.gen.EnumDef, ptr %a326, i32 0, i32 3
-  %t336 = load i64, ptr %a331
-  %t337 = load { ptr, i64, i64 }, ptr %t335
-  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
-  %t339 = icmp uge i64 %t336, %t338
-  br i1 %t339, label %range5393, label %inrange5394
-range5393:
-  call void @finch_panic_index(ptr @.str.3535, i64 2794, i64 %t336, i64 %t338)
+ok5753:
+  %t322 = getelementptr inbounds %S.gen.Gen, ptr %t320, i32 0, i32 21
+  %t323 = load ptr, ptr %a1
+  %t324 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 3
+  %t325 = load { ptr, i64, i64 }, ptr %t324
+  %t326 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 2
+  %t327 = load { ptr, i64, i64 }, ptr %t326
+  %t328 = call i64 @finch.gen.findEnum(ptr %t323, { ptr, i64, i64 } %t325, { ptr, i64, i64 } %t327)
+  %t329 = load { ptr, i64, i64 }, ptr %t322
+  %t330 = extractvalue { ptr, i64, i64 } %t329, 1
+  %t331 = icmp uge i64 %t328, %t330
+  br i1 %t331, label %range5754, label %inrange5755
+range5754:
+  call void @finch_panic_index(ptr @.str.3700, i64 3040, i64 %t328, i64 %t330)
   unreachable
-inrange5394:
-  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
-  %t341 = getelementptr inbounds i64, ptr %t340, i64 %t336
+inrange5755:
+  %t332 = extractvalue { ptr, i64, i64 } %t329, 0
+  %t333 = getelementptr inbounds %S.gen.EnumDef, ptr %t332, i64 %t328
+  %t334 = load %S.gen.EnumDef, ptr %t333
+  store %S.gen.EnumDef %t334, ptr %a335
+  call void @finch.copy.S_gen_EnumDef(ptr %a336, ptr %a335)
+  %t337 = load %S.gen.EnumDef, ptr %a336
+  store %S.gen.EnumDef %t337, ptr %a338
+  store { ptr, i64, i64 } zeroinitializer, ptr %a339
+  %t340 = getelementptr inbounds %S.gen.EnumDef, ptr %a338, i32 0, i32 2
+  %t341 = getelementptr inbounds { ptr, i64, i64 }, ptr %t340, i32 0, i32 1
   %t342 = load i64, ptr %t341
-  call void @finch_str_from_int(ptr %a343, i64 %t342)
-  %t344 = load { ptr, i64, i64 }, ptr %a343
-  store i64 -1, ptr %a345
-  %t346 = load i64, ptr %t334
-  %t347 = load ptr, ptr %a46
-  store i64 0, ptr %a348
-  br label %find.cond5395
-find.cond5395:
-  %t349 = load i64, ptr %a348
-  %t350 = icmp slt i64 %t349, %t346
-  br i1 %t350, label %find.body5396, label %find.end5399
-find.body5396:
-  %t351 = getelementptr inbounds { ptr, i64, i64 }, ptr %t347, i64 %t349
-  %t352 = load { ptr, i64, i64 }, ptr %t351
-  store { ptr, i64, i64 } %t352, ptr %a353
-  store { ptr, i64, i64 } %t344, ptr %a354
-  %t355 = call i32 @finch_str_eq(ptr %a353, ptr %a354)
-  %t356 = icmp ne i32 %t355, 0
-  br i1 %t356, label %find.hit5397, label %find.next5398
-find.hit5397:
-  store i64 %t349, ptr %a345
-  br label %find.end5399
-find.next5398:
-  %t357 = add i64 %t349, 1
-  store i64 %t357, ptr %a348
-  br label %find.cond5395
-find.end5399:
-  %t358 = load i64, ptr %a345
-  %t359 = icmp sge i64 %t358, 0
-  %t360 = xor i1 %t359, true
-  br i1 %t360, label %then5400, label %endif5402
-then5400:
-  %t361 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
-  %t362 = getelementptr inbounds %S.gen.EnumDef, ptr %a326, i32 0, i32 2
-  %t363 = load i64, ptr %a331
-  %t364 = load { ptr, i64, i64 }, ptr %t362
-  %t365 = extractvalue { ptr, i64, i64 } %t364, 1
-  %t366 = icmp uge i64 %t363, %t365
-  br i1 %t366, label %range5403, label %inrange5404
-range5403:
-  call void @finch_panic_index(ptr @.str.3536, i64 2795, i64 %t363, i64 %t365)
+  store i64 0, ptr %a343
+  br label %for.cond5756
+for.cond5756:
+  %t344 = load i64, ptr %a343
+  %t345 = icmp slt i64 %t344, %t342
+  br i1 %t345, label %for.body5757, label %for.end5759
+for.body5757:
+  %t346 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
+  %t347 = getelementptr inbounds %S.gen.EnumDef, ptr %a338, i32 0, i32 3
+  %t348 = load i64, ptr %a343
+  %t349 = load { ptr, i64, i64 }, ptr %t347
+  %t350 = extractvalue { ptr, i64, i64 } %t349, 1
+  %t351 = icmp uge i64 %t348, %t350
+  br i1 %t351, label %range5760, label %inrange5761
+range5760:
+  call void @finch_panic_index(ptr @.str.3701, i64 3043, i64 %t348, i64 %t350)
   unreachable
-inrange5404:
-  %t367 = extractvalue { ptr, i64, i64 } %t364, 0
-  %t368 = getelementptr inbounds { ptr, i64, i64 }, ptr %t367, i64 %t363
-  %t369 = load { ptr, i64, i64 }, ptr %t368
-  store { ptr, i64, i64 } %t369, ptr %a370
-  call void @finch_str_copy(ptr %a371, ptr %a370)
-  %t372 = load { ptr, i64, i64 }, ptr %a371
-  %t373 = load i64, ptr %t361
-  %t374 = add i64 %t373, 1
-  call void @finch_arr_reserve(ptr %a327, i64 %t374, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t375 = load ptr, ptr %a327
-  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t373
-  store { ptr, i64, i64 } %t372, ptr %t376
-  store i64 %t374, ptr %t361
-  br label %endif5402
-endif5402:
-  br label %for.step5391
-for.step5391:
-  %t377 = load i64, ptr %a331
-  %t378 = add i64 %t377, 1
-  store i64 %t378, ptr %a331
-  br label %for.cond5389
-for.end5392:
-  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
-  %t380 = load i64, ptr %t379
-  %t381 = icmp sgt i64 %t380, 0
-  br i1 %t381, label %then5405, label %endif5407
-then5405:
-  %t382 = load ptr, ptr %a1
-  %t383 = load %S.ast.Node, ptr %a2
-  %t384 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.3538, i64 2, i64 0 }, ptr %a385
-  call void @finch_str_join(ptr %a386, ptr %a327, ptr %a385)
-  %t387 = load { ptr, i64, i64 }, ptr %a386
-  store { ptr, i64, i64 } { ptr @.str.3537, i64 26, i64 0 }, ptr %a389
-  store { ptr, i64, i64 } %t387, ptr %a390
-  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
-  %t391 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t391, ptr %a393
-  store { ptr, i64, i64 } { ptr @.str.3539, i64 29, i64 0 }, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  call void @finch.gen.fail(ptr %t382, %S.ast.Node %t383, { ptr, i64, i64 } %t395)
-  br label %endif5407
-endif5407:
-  br label %endif5384
-else5383:
-  %t396 = load ptr, ptr %a1
-  %t397 = load %S.ast.Node, ptr %a2
-  %t398 = load %S.ast.Type, ptr %a19
-  %t399 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t398)
-  store { ptr, i64, i64 } { ptr @.str.3540, i64 11, i64 0 }, ptr %a401
-  store { ptr, i64, i64 } %t399, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t403, ptr %a405
-  store { ptr, i64, i64 } { ptr @.str.3541, i64 54, i64 0 }, ptr %a406
-  call void @finch_str_concat(ptr %a404, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  call void @finch.gen.fail(ptr %t396, %S.ast.Node %t397, { ptr, i64, i64 } %t407)
-  br label %endif5384
-endif5384:
-  %t408 = load ptr, ptr %a1
-  %t409 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t408, { ptr, i64, i64 } { ptr @.str.3542, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.3543, i64 35, i64 0 }, %S.ast.Node %t409)
-  %t410 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t410, { ptr, i64, i64 } { ptr @.str.3544, i64 11, i64 0 })
-  %t411 = load ptr, ptr %a1
-  %t412 = icmp eq ptr %t411, null
-  br i1 %t412, label %panic5408, label %ok5409
-panic5408:
-  call void @finch_panic(ptr @.str.3545, i64 2807, ptr @.str.3546)
+inrange5761:
+  %t352 = extractvalue { ptr, i64, i64 } %t349, 0
+  %t353 = getelementptr inbounds i64, ptr %t352, i64 %t348
+  %t354 = load i64, ptr %t353
+  call void @finch_str_from_int(ptr %a355, i64 %t354)
+  %t356 = load { ptr, i64, i64 }, ptr %a355
+  store i64 -1, ptr %a357
+  %t358 = load i64, ptr %t346
+  %t359 = load ptr, ptr %a54
+  store i64 0, ptr %a360
+  br label %find.cond5762
+find.cond5762:
+  %t361 = load i64, ptr %a360
+  %t362 = icmp slt i64 %t361, %t358
+  br i1 %t362, label %find.body5763, label %find.end5766
+find.body5763:
+  %t363 = getelementptr inbounds { ptr, i64, i64 }, ptr %t359, i64 %t361
+  %t364 = load { ptr, i64, i64 }, ptr %t363
+  store { ptr, i64, i64 } %t364, ptr %a365
+  store { ptr, i64, i64 } %t356, ptr %a366
+  %t367 = call i32 @finch_str_eq(ptr %a365, ptr %a366)
+  %t368 = icmp ne i32 %t367, 0
+  br i1 %t368, label %find.hit5764, label %find.next5765
+find.hit5764:
+  store i64 %t361, ptr %a357
+  br label %find.end5766
+find.next5765:
+  %t369 = add i64 %t361, 1
+  store i64 %t369, ptr %a360
+  br label %find.cond5762
+find.end5766:
+  store { ptr, i64, i64 } %t356, ptr %a370
+  call void @finch_str_drop(ptr %a370)
+  %t371 = load i64, ptr %a357
+  %t372 = icmp sge i64 %t371, 0
+  %t373 = xor i1 %t372, true
+  br i1 %t373, label %then5767, label %endif5769
+then5767:
+  %t374 = getelementptr inbounds { ptr, i64, i64 }, ptr %a339, i32 0, i32 1
+  %t375 = getelementptr inbounds %S.gen.EnumDef, ptr %a338, i32 0, i32 2
+  %t376 = load i64, ptr %a343
+  %t377 = load { ptr, i64, i64 }, ptr %t375
+  %t378 = extractvalue { ptr, i64, i64 } %t377, 1
+  %t379 = icmp uge i64 %t376, %t378
+  br i1 %t379, label %range5770, label %inrange5771
+range5770:
+  call void @finch_panic_index(ptr @.str.3702, i64 3044, i64 %t376, i64 %t378)
   unreachable
-ok5409:
-  %t413 = getelementptr inbounds %S.gen.Gen, ptr %t411, i32 0, i32 9
-  store i1 true, ptr %t413
-  br label %endif5381
-endif5381:
-  %t414 = load ptr, ptr %a1
-  %t415 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.label(ptr %t414, { ptr, i64, i64 } %t415)
-  %t416 = load i1, ptr %a45
-  %t417 = xor i1 %t416, true
-  br i1 %t417, label %then5410, label %endif5412
-then5410:
-  %t418 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t418, { ptr, i64, i64 } { ptr @.str.3547, i64 11, i64 0 })
-  %t419 = load ptr, ptr %a1
-  %t420 = icmp eq ptr %t419, null
-  br i1 %t420, label %panic5413, label %ok5414
-panic5413:
-  call void @finch_panic(ptr @.str.3548, i64 2812, ptr @.str.3549)
+inrange5771:
+  %t380 = extractvalue { ptr, i64, i64 } %t377, 0
+  %t381 = getelementptr inbounds { ptr, i64, i64 }, ptr %t380, i64 %t376
+  %t382 = load { ptr, i64, i64 }, ptr %t381
+  store { ptr, i64, i64 } %t382, ptr %a383
+  call void @finch_str_copy(ptr %a384, ptr %a383)
+  %t385 = load { ptr, i64, i64 }, ptr %a384
+  %t386 = load i64, ptr %t374
+  %t387 = add i64 %t386, 1
+  call void @finch_arr_reserve(ptr %a339, i64 %t387, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t388 = load ptr, ptr %a339
+  %t389 = getelementptr inbounds { ptr, i64, i64 }, ptr %t388, i64 %t386
+  store { ptr, i64, i64 } %t385, ptr %t389
+  store i64 %t387, ptr %t374
+  br label %endif5769
+endif5769:
+  br label %for.step5758
+for.step5758:
+  %t390 = load i64, ptr %a343
+  %t391 = add i64 %t390, 1
+  store i64 %t391, ptr %a343
+  br label %for.cond5756
+for.end5759:
+  %t392 = getelementptr inbounds { ptr, i64, i64 }, ptr %a339, i32 0, i32 1
+  %t393 = load i64, ptr %t392
+  %t394 = icmp sgt i64 %t393, 0
+  br i1 %t394, label %then5772, label %endif5774
+then5772:
+  %t395 = load ptr, ptr %a1
+  %t396 = load %S.ast.Node, ptr %a2
+  %t397 = getelementptr inbounds { ptr, i64, i64 }, ptr %a339, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3704, i64 2, i64 0 }, ptr %a398
+  call void @finch_str_join(ptr %a399, ptr %a339, ptr %a398)
+  %t400 = load { ptr, i64, i64 }, ptr %a399
+  store { ptr, i64, i64 } { ptr @.str.3703, i64 26, i64 0 }, ptr %a402
+  store { ptr, i64, i64 } %t400, ptr %a403
+  call void @finch_str_concat(ptr %a401, ptr %a402, ptr %a403)
+  store { ptr, i64, i64 } %t400, ptr %a404
+  call void @finch_str_drop(ptr %a404)
+  %t405 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } %t405, ptr %a407
+  store { ptr, i64, i64 } { ptr @.str.3705, i64 29, i64 0 }, ptr %a408
+  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
+  store { ptr, i64, i64 } %t405, ptr %a409
+  call void @finch_str_drop(ptr %a409)
+  %t410 = load { ptr, i64, i64 }, ptr %a406
+  call void @finch.gen.fail(ptr %t395, %S.ast.Node %t396, { ptr, i64, i64 } %t410)
+  store { ptr, i64, i64 } %t410, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  br label %endif5774
+endif5774:
+  call void @finch.drop.arr_str(ptr %a339)
+  call void @finch.drop.S_gen_EnumDef(ptr %a338)
+  br label %endif5751
+else5750:
+  %t412 = load ptr, ptr %a1
+  %t413 = load %S.ast.Node, ptr %a2
+  %t414 = load %S.ast.Type, ptr %a19
+  %t415 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t414)
+  store { ptr, i64, i64 } { ptr @.str.3706, i64 11, i64 0 }, ptr %a417
+  store { ptr, i64, i64 } %t415, ptr %a418
+  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
+  store { ptr, i64, i64 } %t415, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a416
+  store { ptr, i64, i64 } %t420, ptr %a422
+  store { ptr, i64, i64 } { ptr @.str.3707, i64 54, i64 0 }, ptr %a423
+  call void @finch_str_concat(ptr %a421, ptr %a422, ptr %a423)
+  store { ptr, i64, i64 } %t420, ptr %a424
+  call void @finch_str_drop(ptr %a424)
+  %t425 = load { ptr, i64, i64 }, ptr %a421
+  call void @finch.gen.fail(ptr %t412, %S.ast.Node %t413, { ptr, i64, i64 } %t425)
+  store { ptr, i64, i64 } %t425, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  br label %endif5751
+endif5751:
+  %t427 = load ptr, ptr %a1
+  %t428 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t427, { ptr, i64, i64 } { ptr @.str.3708, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.3709, i64 35, i64 0 }, %S.ast.Node %t428)
+  %t429 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t429, { ptr, i64, i64 } { ptr @.str.3710, i64 11, i64 0 })
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic5775, label %ok5776
+panic5775:
+  call void @finch_panic(ptr @.str.3711, i64 3056, ptr @.str.3712)
   unreachable
-ok5414:
-  %t421 = getelementptr inbounds %S.gen.Gen, ptr %t419, i32 0, i32 9
-  store i1 true, ptr %t421
-  %t422 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3550, i64 4, i64 0 })
-  %t423 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t422, 1
-  ret %S.gen.Val %t423
-endif5412:
-  %t424 = load i1, ptr %a3
-  br i1 %t424, label %then5415, label %endif5417
-then5415:
-  %t425 = load ptr, ptr %a1
-  %t426 = load ptr, ptr %a1
-  %t427 = load %S.ast.Type, ptr %a50
-  %t428 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t426, %S.ast.Type %t427)
-  store { ptr, i64, i64 } { ptr @.str.3551, i64 4, i64 0 }, ptr %a430
-  store { ptr, i64, i64 } %t428, ptr %a431
-  call void @finch_str_concat(ptr %a429, ptr %a430, ptr %a431)
-  %t432 = load { ptr, i64, i64 }, ptr %a429
-  store { ptr, i64, i64 } %t432, ptr %a434
-  store { ptr, i64, i64 } { ptr @.str.3552, i64 1, i64 0 }, ptr %a435
-  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
-  %t436 = load { ptr, i64, i64 }, ptr %a433
-  %t437 = load { ptr, i64, i64 }, ptr %a47
-  %t438 = load { ptr, i64, i64 }, ptr %a48
-  %t439 = call { ptr, i64, i64 } @finch.gen.phiList({ ptr, i64, i64 } %t437, { ptr, i64, i64 } %t438)
-  store { ptr, i64, i64 } %t436, ptr %a441
-  store { ptr, i64, i64 } %t439, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  %t444 = call { ptr, i64, i64 } @finch.gen.op(ptr %t425, { ptr, i64, i64 } %t443)
-  %t445 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t444, 0
-  %t446 = load %S.ast.Type, ptr %a50
-  store %S.ast.Type %t446, ptr %a447
-  call void @finch.copy.S_ast_Type(ptr %a448, ptr %a447)
-  %t449 = load %S.ast.Type, ptr %a448
-  %t450 = insertvalue %S.gen.Val %t445, %S.ast.Type %t449, 1
-  %t451 = load ptr, ptr %a1
-  %t452 = load %S.ast.Type, ptr %a50
-  %t453 = call i1 @finch.gen.owning(ptr %t451, %S.ast.Type %t452)
-  %t454 = insertvalue %S.gen.Val %t450, i1 %t453, 2
-  ret %S.gen.Val %t454
-endif5417:
-  %t455 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3553, i64 4, i64 0 })
-  %t456 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t455, 1
-  ret %S.gen.Val %t456
+ok5776:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 9
+  store i1 true, ptr %t432
+  br label %endif5748
+endif5748:
+  %t433 = load ptr, ptr %a1
+  %t434 = load i64, ptr %a46
+  call void @finch.gen.heldEnd(ptr %t433, i64 %t434)
+  %t435 = load ptr, ptr %a1
+  %t436 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.label(ptr %t435, { ptr, i64, i64 } %t436)
+  %t437 = load i1, ptr %a53
+  %t438 = xor i1 %t437, true
+  br i1 %t438, label %then5777, label %endif5779
+then5777:
+  %t439 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t439, { ptr, i64, i64 } { ptr @.str.3713, i64 11, i64 0 })
+  %t440 = load ptr, ptr %a1
+  %t441 = icmp eq ptr %t440, null
+  br i1 %t441, label %panic5780, label %ok5781
+panic5780:
+  call void @finch_panic(ptr @.str.3714, i64 3062, ptr @.str.3715)
+  unreachable
+ok5781:
+  %t442 = getelementptr inbounds %S.gen.Gen, ptr %t440, i32 0, i32 9
+  store i1 true, ptr %t442
+  %t443 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3716, i64 4, i64 0 })
+  %t444 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t443, 1
+  call void @finch.drop.S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a56)
+  call void @finch.drop.arr_str(ptr %a55)
+  call void @finch.drop.arr_str(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  call void @finch.drop.S_gen_Val(ptr %a13)
+  ret %S.gen.Val %t444
+endif5779:
+  %t445 = load i1, ptr %a3
+  br i1 %t445, label %then5782, label %endif5784
+then5782:
+  %t446 = load ptr, ptr %a1
+  %t447 = load ptr, ptr %a1
+  %t448 = load %S.ast.Type, ptr %a58
+  %t449 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t447, %S.ast.Type %t448)
+  store { ptr, i64, i64 } { ptr @.str.3717, i64 4, i64 0 }, ptr %a451
+  store { ptr, i64, i64 } %t449, ptr %a452
+  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
+  store { ptr, i64, i64 } %t449, ptr %a453
+  call void @finch_str_drop(ptr %a453)
+  %t454 = load { ptr, i64, i64 }, ptr %a450
+  store { ptr, i64, i64 } %t454, ptr %a456
+  store { ptr, i64, i64 } { ptr @.str.3718, i64 1, i64 0 }, ptr %a457
+  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
+  store { ptr, i64, i64 } %t454, ptr %a458
+  call void @finch_str_drop(ptr %a458)
+  %t459 = load { ptr, i64, i64 }, ptr %a455
+  %t460 = load { ptr, i64, i64 }, ptr %a55
+  %t461 = load { ptr, i64, i64 }, ptr %a56
+  %t462 = call { ptr, i64, i64 } @finch.gen.phiList({ ptr, i64, i64 } %t460, { ptr, i64, i64 } %t461)
+  store { ptr, i64, i64 } %t459, ptr %a464
+  store { ptr, i64, i64 } %t462, ptr %a465
+  call void @finch_str_concat(ptr %a463, ptr %a464, ptr %a465)
+  store { ptr, i64, i64 } %t459, ptr %a466
+  call void @finch_str_drop(ptr %a466)
+  store { ptr, i64, i64 } %t462, ptr %a467
+  call void @finch_str_drop(ptr %a467)
+  %t468 = load { ptr, i64, i64 }, ptr %a463
+  %t469 = call { ptr, i64, i64 } @finch.gen.op(ptr %t446, { ptr, i64, i64 } %t468)
+  store { ptr, i64, i64 } %t468, ptr %a470
+  call void @finch_str_drop(ptr %a470)
+  %t471 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t469, 0
+  %t472 = load %S.ast.Type, ptr %a58
+  store %S.ast.Type %t472, ptr %a473
+  call void @finch.copy.S_ast_Type(ptr %a474, ptr %a473)
+  %t475 = load %S.ast.Type, ptr %a474
+  %t476 = insertvalue %S.gen.Val %t471, %S.ast.Type %t475, 1
+  %t477 = load ptr, ptr %a1
+  %t478 = load %S.ast.Type, ptr %a58
+  %t479 = call i1 @finch.gen.owning(ptr %t477, %S.ast.Type %t478)
+  %t480 = insertvalue %S.gen.Val %t476, i1 %t479, 2
+  store %S.gen.Val %t480, ptr %a481
+  %t482 = load ptr, ptr %a1
+  %t483 = load %S.gen.Val, ptr %a13
+  call void @finch.gen.release(ptr %t482, %S.gen.Val %t483)
+  %t484 = load %S.gen.Val, ptr %a481
+  call void @finch.drop.S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a56)
+  call void @finch.drop.arr_str(ptr %a55)
+  call void @finch.drop.arr_str(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  call void @finch.drop.S_gen_Val(ptr %a13)
+  ret %S.gen.Val %t484
+endif5784:
+  %t485 = load ptr, ptr %a1
+  %t486 = load %S.gen.Val, ptr %a13
+  call void @finch.gen.release(ptr %t485, %S.gen.Val %t486)
+  %t487 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3719, i64 4, i64 0 })
+  %t488 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t487, 1
+  call void @finch.drop.S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a56)
+  call void @finch.drop.arr_str(ptr %a55)
+  call void @finch.drop.arr_str(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  call void @finch.drop.S_gen_Val(ptr %a13)
+  ret %S.gen.Val %t488
 }
 
 define internal { ptr, i64, i64 } @finch.gen.phiList({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
@@ -49785,103 +59073,96 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } zeroinitializer, ptr %a3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   store i64 0, ptr %a6
-  br label %for.cond5418
-for.cond5418:
+  br label %for.cond5785
+for.cond5785:
   %t7 = load i64, ptr %a6
   %t8 = icmp slt i64 %t7, %t5
-  br i1 %t8, label %for.body5419, label %for.end5421
-for.body5419:
+  br i1 %t8, label %for.body5786, label %for.end5788
+for.body5786:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t10 = load i64, ptr %a6
   %t11 = load { ptr, i64, i64 }, ptr %a1
   %t12 = extractvalue { ptr, i64, i64 } %t11, 1
   %t13 = icmp uge i64 %t10, %t12
-  br i1 %t13, label %range5422, label %inrange5423
-range5422:
-  call void @finch_panic_index(ptr @.str.3555, i64 2824, i64 %t10, i64 %t12)
+  br i1 %t13, label %range5789, label %inrange5790
+range5789:
+  call void @finch_panic_index(ptr @.str.3721, i64 3077, i64 %t10, i64 %t12)
   unreachable
-inrange5423:
+inrange5790:
   %t14 = extractvalue { ptr, i64, i64 } %t11, 0
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i64 %t10
   %t16 = load { ptr, i64, i64 }, ptr %t15
-  store { ptr, i64, i64 } { ptr @.str.3554, i64 2, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3720, i64 2, i64 0 }, ptr %a18
   store { ptr, i64, i64 } %t16, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
   %t20 = load { ptr, i64, i64 }, ptr %a17
   store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.3556, i64 3, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3722, i64 3, i64 0 }, ptr %a23
   call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  %t25 = load i64, ptr %a6
-  %t26 = load { ptr, i64, i64 }, ptr %a2
-  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
-  %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range5424, label %inrange5425
-range5424:
-  call void @finch_panic_index(ptr @.str.3557, i64 2824, i64 %t25, i64 %t27)
+  store { ptr, i64, i64 } %t20, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  %t26 = load i64, ptr %a6
+  %t27 = load { ptr, i64, i64 }, ptr %a2
+  %t28 = extractvalue { ptr, i64, i64 } %t27, 1
+  %t29 = icmp uge i64 %t26, %t28
+  br i1 %t29, label %range5791, label %inrange5792
+range5791:
+  call void @finch_panic_index(ptr @.str.3723, i64 3077, i64 %t26, i64 %t28)
   unreachable
-inrange5425:
-  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
-  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 %t25
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t24, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.3558, i64 2, i64 0 }, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load i64, ptr %t9
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %a3, i64 %t41, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %a3
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i64 %t40
-  store { ptr, i64, i64 } %t39, ptr %t43
-  store i64 %t41, ptr %t9
-  br label %for.step5420
-for.step5420:
-  %t44 = load i64, ptr %a6
-  %t45 = add i64 %t44, 1
-  store i64 %t45, ptr %a6
-  br label %for.cond5418
-for.end5421:
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.3559, i64 2, i64 0 }, ptr %a47
-  call void @finch_str_join(ptr %a48, ptr %a3, ptr %a47)
-  %t49 = load { ptr, i64, i64 }, ptr %a48
-  ret { ptr, i64, i64 } %t49
-}
-
-define internal void @finch.copy.S_gen_Fallible(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Fallible, ptr %src
-  store %S.gen.Fallible %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Fallible, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Fallible, ptr %src, i32 0, i32 0
-  call void @finch.copy.S_gen_Val(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Fallible, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Fallible, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.gen.Fallible, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.gen.Fallible, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  ret void
+inrange5792:
+  %t30 = extractvalue { ptr, i64, i64 } %t27, 0
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t26
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t25, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t25, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.3724, i64 2, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  %t43 = load i64, ptr %t9
+  %t44 = add i64 %t43, 1
+  call void @finch_arr_reserve(ptr %a3, i64 %t44, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t45 = load ptr, ptr %a3
+  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t43
+  store { ptr, i64, i64 } %t42, ptr %t46
+  store i64 %t44, ptr %t9
+  br label %for.step5787
+for.step5787:
+  %t47 = load i64, ptr %a6
+  %t48 = add i64 %t47, 1
+  store i64 %t48, ptr %a6
+  br label %for.cond5785
+for.end5788:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3725, i64 2, i64 0 }, ptr %a50
+  call void @finch_str_join(ptr %a51, ptr %a3, ptr %a50)
+  %t52 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.drop.arr_str(ptr %a3)
+  ret { ptr, i64, i64 } %t52
 }
 
 define internal %S.gen.Fallible @finch.gen.fallibleCall(ptr %p0, %S.ast.Node %p1) {
@@ -49901,60 +59182,64 @@ entry:
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca %S.gen.Val, align 16
-  %a58 = alloca %S.gen.Val, align 16
-  %a59 = alloca %S.gen.Val, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca %S.gen.Fallible, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca %S.gen.Val, align 16
+  %a64 = alloca %S.gen.Val, align 16
+  %a65 = alloca %S.gen.Val, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca %S.gen.Fallible, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca %S.gen.Fallible, align 16
-  %a108 = alloca %S.gen.Fallible, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.3560, i64 4, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.3726, i64 4, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp eq i32 %t7, 0
-  br label %logic.from5426
-logic.from5426:
-  br i1 %t8, label %logic.rhs5427, label %logic.end5428
-logic.rhs5427:
+  br label %logic.from5793
+logic.from5793:
+  br i1 %t8, label %logic.rhs5794, label %logic.end5795
+logic.rhs5794:
   %t9 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.3561, i64 6, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.3727, i64 6, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp eq i32 %t13, 0
-  br label %logic.rend5429
-logic.rend5429:
-  br label %logic.end5428
-logic.end5428:
-  %t15 = phi i1 [ false, %logic.from5426 ], [ %t14, %logic.rend5429 ]
-  br i1 %t15, label %then5430, label %endif5432
-then5430:
+  br label %logic.rend5796
+logic.rend5796:
+  br label %logic.end5795
+logic.end5795:
+  %t15 = phi i1 [ false, %logic.from5793 ], [ %t14, %logic.rend5796 ]
+  br i1 %t15, label %then5797, label %endif5799
+then5797:
   %t16 = load ptr, ptr %a1
   %t17 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } { ptr @.str.3562, i64 80, i64 0 })
-  br label %endif5432
-endif5432:
+  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } { ptr @.str.3728, i64 80, i64 0 })
+  br label %endif5799
+endif5799:
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic5433, label %ok5434
-panic5433:
-  call void @finch_panic(ptr @.str.3563, i64 2842, ptr @.str.3564)
+  br i1 %t19, label %panic5800, label %ok5801
+panic5800:
+  call void @finch_panic(ptr @.str.3729, i64 3095, ptr @.str.3730)
   unreachable
-ok5434:
-  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 39
+ok5801:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 40
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
   call void @finch_str_copy(ptr %a23, ptr %a22)
@@ -49962,12 +59247,12 @@ ok5434:
   store { ptr, i64, i64 } %t24, ptr %a25
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic5435, label %ok5436
-panic5435:
-  call void @finch_panic(ptr @.str.3565, i64 2843, ptr @.str.3566)
+  br i1 %t27, label %panic5802, label %ok5803
+panic5802:
+  call void @finch_panic(ptr @.str.3731, i64 3096, ptr @.str.3732)
   unreachable
-ok5436:
-  %t28 = getelementptr inbounds %S.gen.Gen, ptr %t26, i32 0, i32 40
+ok5803:
+  %t28 = getelementptr inbounds %S.gen.Gen, ptr %t26, i32 0, i32 41
   %t29 = load { ptr, i64, i64 }, ptr %t28
   store { ptr, i64, i64 } %t29, ptr %a30
   call void @finch_str_copy(ptr %a31, ptr %a30)
@@ -49975,12 +59260,12 @@ ok5436:
   store { ptr, i64, i64 } %t32, ptr %a33
   %t34 = load ptr, ptr %a1
   %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic5437, label %ok5438
-panic5437:
-  call void @finch_panic(ptr @.str.3567, i64 2844, ptr @.str.3568)
+  br i1 %t35, label %panic5804, label %ok5805
+panic5804:
+  call void @finch_panic(ptr @.str.3733, i64 3097, ptr @.str.3734)
   unreachable
-ok5438:
-  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 41
+ok5805:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 42
   %t37 = load { ptr, i64, i64 }, ptr %t36
   store { ptr, i64, i64 } %t37, ptr %a38
   call void @finch_str_copy(ptr %a39, ptr %a38)
@@ -49990,122 +59275,153 @@ ok5438:
   %t43 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t42)
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic5439, label %ok5440
-panic5439:
-  call void @finch_panic(ptr @.str.3569, i64 2845, ptr @.str.3570)
+  br i1 %t45, label %panic5806, label %ok5807
+panic5806:
+  call void @finch_panic(ptr @.str.3735, i64 3098, ptr @.str.3736)
   unreachable
-ok5440:
-  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 39
+ok5807:
+  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 40
+  %t47 = load { ptr, i64, i64 }, ptr %t46
   store { ptr, i64, i64 } %t43, ptr %t46
-  %t47 = load ptr, ptr %a1
-  %t48 = icmp eq ptr %t47, null
-  br i1 %t48, label %panic5441, label %ok5442
-panic5441:
-  call void @finch_panic(ptr @.str.3572, i64 2846, ptr @.str.3573)
+  store { ptr, i64, i64 } %t47, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load ptr, ptr %a1
+  %t50 = icmp eq ptr %t49, null
+  br i1 %t50, label %panic5808, label %ok5809
+panic5808:
+  call void @finch_panic(ptr @.str.3738, i64 3099, ptr @.str.3739)
   unreachable
-ok5442:
-  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 40
-  store { ptr, i64, i64 } { ptr @.str.3571, i64 0, i64 0 }, ptr %t49
-  %t50 = load ptr, ptr %a1
-  %t51 = icmp eq ptr %t50, null
-  br i1 %t51, label %panic5443, label %ok5444
-panic5443:
-  call void @finch_panic(ptr @.str.3575, i64 2847, ptr @.str.3576)
+ok5809:
+  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 41
+  %t52 = load { ptr, i64, i64 }, ptr %t51
+  store { ptr, i64, i64 } { ptr @.str.3737, i64 0, i64 0 }, ptr %t51
+  store { ptr, i64, i64 } %t52, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load ptr, ptr %a1
+  %t55 = icmp eq ptr %t54, null
+  br i1 %t55, label %panic5810, label %ok5811
+panic5810:
+  call void @finch_panic(ptr @.str.3741, i64 3100, ptr @.str.3742)
   unreachable
-ok5444:
-  %t52 = getelementptr inbounds %S.gen.Gen, ptr %t50, i32 0, i32 41
-  store { ptr, i64, i64 } { ptr @.str.3574, i64 0, i64 0 }, ptr %t52
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Node, ptr %a2
-  %t55 = call %S.gen.Val @finch.gen.expr(ptr %t53, %S.ast.Node %t54)
-  store %S.gen.Val %t55, ptr %a56
-  %t57 = load %S.gen.Val, ptr %a56
-  store %S.gen.Val %t57, ptr %a58
-  call void @finch.copy.S_gen_Val(ptr %a59, ptr %a58)
-  %t60 = load %S.gen.Val, ptr %a59
-  %t61 = insertvalue %S.gen.Fallible zeroinitializer, %S.gen.Val %t60, 0
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic5445, label %ok5446
-panic5445:
-  call void @finch_panic(ptr @.str.3577, i64 2849, ptr @.str.3578)
+ok5811:
+  %t56 = getelementptr inbounds %S.gen.Gen, ptr %t54, i32 0, i32 42
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  store { ptr, i64, i64 } { ptr @.str.3740, i64 0, i64 0 }, ptr %t56
+  store { ptr, i64, i64 } %t57, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Node, ptr %a2
+  %t61 = call %S.gen.Val @finch.gen.expr(ptr %t59, %S.ast.Node %t60)
+  store %S.gen.Val %t61, ptr %a62
+  %t63 = load %S.gen.Val, ptr %a62
+  store %S.gen.Val %t63, ptr %a64
+  call void @finch.copy.S_gen_Val(ptr %a65, ptr %a64)
+  %t66 = load %S.gen.Val, ptr %a65
+  %t67 = insertvalue %S.gen.Fallible zeroinitializer, %S.gen.Val %t66, 0
+  %t68 = load ptr, ptr %a1
+  %t69 = icmp eq ptr %t68, null
+  br i1 %t69, label %panic5812, label %ok5813
+panic5812:
+  call void @finch_panic(ptr @.str.3743, i64 3102, ptr @.str.3744)
   unreachable
-ok5446:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 40
-  %t65 = load { ptr, i64, i64 }, ptr %t64
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  %t69 = insertvalue %S.gen.Fallible %t61, { ptr, i64, i64 } %t68, 1
-  %t70 = load ptr, ptr %a1
-  %t71 = icmp eq ptr %t70, null
-  br i1 %t71, label %panic5447, label %ok5448
-panic5447:
-  call void @finch_panic(ptr @.str.3579, i64 2849, ptr @.str.3580)
+ok5813:
+  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 41
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_copy(ptr %a73, ptr %a72)
+  %t74 = load { ptr, i64, i64 }, ptr %a73
+  %t75 = insertvalue %S.gen.Fallible %t67, { ptr, i64, i64 } %t74, 1
+  %t76 = load ptr, ptr %a1
+  %t77 = icmp eq ptr %t76, null
+  br i1 %t77, label %panic5814, label %ok5815
+panic5814:
+  call void @finch_panic(ptr @.str.3745, i64 3102, ptr @.str.3746)
   unreachable
-ok5448:
-  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 41
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t73, ptr %a74
-  call void @finch_str_copy(ptr %a75, ptr %a74)
-  %t76 = load { ptr, i64, i64 }, ptr %a75
-  %t77 = insertvalue %S.gen.Fallible %t69, { ptr, i64, i64 } %t76, 2
-  store %S.gen.Fallible %t77, ptr %a78
-  %t79 = load { ptr, i64, i64 }, ptr %a25
-  %t80 = load ptr, ptr %a1
-  %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic5449, label %ok5450
-panic5449:
-  call void @finch_panic(ptr @.str.3581, i64 2850, ptr @.str.3582)
+ok5815:
+  %t78 = getelementptr inbounds %S.gen.Gen, ptr %t76, i32 0, i32 42
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_copy(ptr %a81, ptr %a80)
+  %t82 = load { ptr, i64, i64 }, ptr %a81
+  %t83 = insertvalue %S.gen.Fallible %t75, { ptr, i64, i64 } %t82, 2
+  store %S.gen.Fallible %t83, ptr %a84
+  %t85 = load { ptr, i64, i64 }, ptr %a25
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic5816, label %ok5817
+panic5816:
+  call void @finch_panic(ptr @.str.3747, i64 3103, ptr @.str.3748)
   unreachable
-ok5450:
-  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 39
-  store { ptr, i64, i64 } %t79, ptr %a83
-  call void @finch_str_copy(ptr %a84, ptr %a83)
-  %t85 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t85, ptr %t82
-  %t86 = load { ptr, i64, i64 }, ptr %a33
-  %t87 = load ptr, ptr %a1
-  %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic5451, label %ok5452
-panic5451:
-  call void @finch_panic(ptr @.str.3583, i64 2851, ptr @.str.3584)
+ok5817:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 40
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_copy(ptr %a90, ptr %a89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  %t92 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t91, ptr %t88
+  store { ptr, i64, i64 } %t92, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a33
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic5818, label %ok5819
+panic5818:
+  call void @finch_panic(ptr @.str.3749, i64 3104, ptr @.str.3750)
   unreachable
-ok5452:
-  %t89 = getelementptr inbounds %S.gen.Gen, ptr %t87, i32 0, i32 40
-  store { ptr, i64, i64 } %t86, ptr %a90
-  call void @finch_str_copy(ptr %a91, ptr %a90)
-  %t92 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t92, ptr %t89
-  %t93 = load { ptr, i64, i64 }, ptr %a41
-  %t94 = load ptr, ptr %a1
-  %t95 = icmp eq ptr %t94, null
-  br i1 %t95, label %panic5453, label %ok5454
-panic5453:
-  call void @finch_panic(ptr @.str.3585, i64 2852, ptr @.str.3586)
-  unreachable
-ok5454:
-  %t96 = getelementptr inbounds %S.gen.Gen, ptr %t94, i32 0, i32 41
-  store { ptr, i64, i64 } %t93, ptr %a97
-  call void @finch_str_copy(ptr %a98, ptr %a97)
-  %t99 = load { ptr, i64, i64 }, ptr %a98
-  store { ptr, i64, i64 } %t99, ptr %t96
-  %t100 = getelementptr inbounds %S.gen.Fallible, ptr %a78, i32 0, i32 1
-  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i32 0, i32 1
-  %t102 = load i64, ptr %t101
-  %t103 = icmp eq i64 %t102, 0
-  br i1 %t103, label %then5455, label %endif5457
-then5455:
+ok5819:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 41
+  store { ptr, i64, i64 } %t94, ptr %a98
+  call void @finch_str_copy(ptr %a99, ptr %a98)
+  %t100 = load { ptr, i64, i64 }, ptr %a99
+  %t101 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t100, ptr %t97
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a41
   %t104 = load ptr, ptr %a1
-  %t105 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t104, %S.ast.Node %t105, { ptr, i64, i64 } { ptr @.str.3587, i64 50, i64 0 })
-  br label %endif5457
-endif5457:
-  %t106 = load %S.gen.Fallible, ptr %a78
-  store %S.gen.Fallible %t106, ptr %a107
-  call void @finch.copy.S_gen_Fallible(ptr %a108, ptr %a107)
-  %t109 = load %S.gen.Fallible, ptr %a108
-  ret %S.gen.Fallible %t109
+  %t105 = icmp eq ptr %t104, null
+  br i1 %t105, label %panic5820, label %ok5821
+panic5820:
+  call void @finch_panic(ptr @.str.3751, i64 3105, ptr @.str.3752)
+  unreachable
+ok5821:
+  %t106 = getelementptr inbounds %S.gen.Gen, ptr %t104, i32 0, i32 42
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_copy(ptr %a108, ptr %a107)
+  %t109 = load { ptr, i64, i64 }, ptr %a108
+  %t110 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t109, ptr %t106
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = getelementptr inbounds %S.gen.Fallible, ptr %a84, i32 0, i32 1
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
+  %t114 = load i64, ptr %t113
+  %t115 = icmp eq i64 %t114, 0
+  br i1 %t115, label %then5822, label %endif5824
+then5822:
+  %t116 = load ptr, ptr %a1
+  %t117 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t116, %S.ast.Node %t117, { ptr, i64, i64 } { ptr @.str.3753, i64 50, i64 0 })
+  br label %endif5824
+endif5824:
+  %t118 = load %S.gen.Fallible, ptr %a84
+  call void @finch.drop.S_gen_Val(ptr %a62)
+  call void @finch_str_drop(ptr %a41)
+  call void @finch_str_drop(ptr %a33)
+  call void @finch_str_drop(ptr %a25)
+  ret %S.gen.Fallible %t118
+}
+
+define internal void @finch.drop.S_gen_Fallible(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Fallible, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_gen_Val(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Fallible, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Fallible, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
 }
 
 define internal %S.gen.Val @finch.gen.tryExpr(ptr %p0, %S.ast.Node %p1) {
@@ -50118,250 +59434,305 @@ entry:
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca %S.gen.Fallible, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca %S.gen.Fallible, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca %S.gen.Val, align 16
-  %a138 = alloca %S.gen.Val, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca %S.gen.Val, align 16
+  %a156 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic5458, label %ok5459
-panic5458:
-  call void @finch_panic(ptr @.str.3588, i64 2861, ptr @.str.3589)
+  br i1 %t4, label %panic5825, label %ok5826
+panic5825:
+  call void @finch_panic(ptr @.str.3754, i64 3114, ptr @.str.3755)
   unreachable
-ok5459:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 44
+ok5826:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 45
   %t6 = load i64, ptr %t5
   %t7 = icmp sgt i64 %t6, 0
-  br i1 %t7, label %then5460, label %endif5462
-then5460:
+  br i1 %t7, label %then5827, label %endif5829
+then5827:
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3590, i64 30, i64 0 })
-  br label %endif5462
-endif5462:
+  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3756, i64 30, i64 0 })
+  br label %endif5829
+endif5829:
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic5463, label %ok5464
-panic5463:
-  call void @finch_panic(ptr @.str.3591, i64 2864, ptr @.str.3592)
+  br i1 %t11, label %panic5830, label %ok5831
+panic5830:
+  call void @finch_panic(ptr @.str.3757, i64 3117, ptr @.str.3758)
   unreachable
-ok5464:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 12
+ok5831:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 13
   %t13 = getelementptr inbounds %S.gen.FnSig, ptr %t12, i32 0, i32 9
   %t14 = load i1, ptr %t13
   %t15 = xor i1 %t14, true
-  br i1 %t15, label %then5465, label %endif5467
-then5465:
-  store { ptr, i64, i64 } { ptr @.str.3593, i64 1, i64 0 }, ptr %a16
+  br i1 %t15, label %then5832, label %endif5834
+then5832:
+  store { ptr, i64, i64 } { ptr @.str.3759, i64 1, i64 0 }, ptr %a16
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic5468, label %ok5469
-panic5468:
-  call void @finch_panic(ptr @.str.3594, i64 2866, ptr @.str.3595)
+  br i1 %t18, label %panic5835, label %ok5836
+panic5835:
+  call void @finch_panic(ptr @.str.3760, i64 3119, ptr @.str.3761)
   unreachable
-ok5469:
-  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 12
+ok5836:
+  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 13
   %t20 = getelementptr inbounds %S.gen.FnSig, ptr %t19, i32 0, i32 12
   %t21 = getelementptr inbounds %S.ast.Type, ptr %t20, i32 0, i32 0
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3596, i64 4, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.3762, i64 4, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp eq i32 %t25, 0
-  br i1 %t26, label %then5470, label %endif5472
-then5470:
+  br i1 %t26, label %then5837, label %endif5839
+then5837:
   %t27 = load ptr, ptr %a1
   %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic5473, label %ok5474
-panic5473:
-  call void @finch_panic(ptr @.str.3597, i64 2867, ptr @.str.3598)
+  br i1 %t28, label %panic5840, label %ok5841
+panic5840:
+  call void @finch_panic(ptr @.str.3763, i64 3120, ptr @.str.3764)
   unreachable
-ok5474:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 12
+ok5841:
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 13
   %t30 = getelementptr inbounds %S.gen.FnSig, ptr %t29, i32 0, i32 12
   %t31 = load %S.ast.Type, ptr %t30
   %t32 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t31)
   store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3599, i64 1, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3765, i64 1, i64 0 }, ptr %a35
   call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t36, ptr %a16
-  br label %endif5472
-endif5472:
-  %t37 = load ptr, ptr %a1
-  %t38 = load %S.ast.Node, ptr %a2
-  %t39 = load ptr, ptr %a1
-  %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic5475, label %ok5476
-panic5475:
-  call void @finch_panic(ptr @.str.3601, i64 2869, ptr @.str.3602)
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t37, ptr %a16
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  br label %endif5839
+endif5839:
+  %t40 = load ptr, ptr %a1
+  %t41 = load %S.ast.Node, ptr %a2
+  %t42 = load ptr, ptr %a1
+  %t43 = icmp eq ptr %t42, null
+  br i1 %t43, label %panic5842, label %ok5843
+panic5842:
+  call void @finch_panic(ptr @.str.3767, i64 3122, ptr @.str.3768)
   unreachable
-ok5476:
-  %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 12
-  %t42 = getelementptr inbounds %S.gen.FnSig, ptr %t41, i32 0, i32 1
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  store { ptr, i64, i64 } { ptr @.str.3600, i64 29, i64 0 }, ptr %a45
-  store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.3603, i64 31, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t51, ptr %a54
-  store { ptr, i64, i64 } %t52, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t56, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.3604, i64 55, i64 0 }, ptr %a59
+ok5843:
+  %t44 = getelementptr inbounds %S.gen.Gen, ptr %t42, i32 0, i32 13
+  %t45 = getelementptr inbounds %S.gen.FnSig, ptr %t44, i32 0, i32 1
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  store { ptr, i64, i64 } { ptr @.str.3766, i64 29, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3769, i64 31, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
   call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
-  %t60 = load { ptr, i64, i64 }, ptr %a57
-  call void @finch.gen.fail(ptr %t37, %S.ast.Node %t38, { ptr, i64, i64 } %t60)
-  br label %endif5467
-endif5467:
-  %t61 = load ptr, ptr %a1
-  %t62 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t63 = load { ptr, i64, i64 }, ptr %t62
-  %t64 = extractvalue { ptr, i64, i64 } %t63, 1
-  %t65 = icmp uge i64 0, %t64
-  br i1 %t65, label %range5477, label %inrange5478
-range5477:
-  call void @finch_panic_index(ptr @.str.3605, i64 2871, i64 0, i64 %t64)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.3770, i64 55, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  call void @finch.gen.fail(ptr %t40, %S.ast.Node %t41, { ptr, i64, i64 } %t66)
+  store { ptr, i64, i64 } %t66, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  call void @finch_str_drop(ptr %a16)
+  br label %endif5834
+endif5834:
+  %t68 = load ptr, ptr %a1
+  %t69 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t70 = load { ptr, i64, i64 }, ptr %t69
+  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
+  %t72 = icmp uge i64 0, %t71
+  br i1 %t72, label %range5844, label %inrange5845
+range5844:
+  call void @finch_panic_index(ptr @.str.3771, i64 3124, i64 0, i64 %t71)
   unreachable
-inrange5478:
-  %t66 = extractvalue { ptr, i64, i64 } %t63, 0
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %t66, i64 0
-  %t68 = load %S.ast.Node, ptr %t67
-  %t69 = call %S.gen.Fallible @finch.gen.fallibleCall(ptr %t61, %S.ast.Node %t68)
-  store %S.gen.Fallible %t69, ptr %a70
-  %t71 = load ptr, ptr %a1
-  %t72 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t71, { ptr, i64, i64 } { ptr @.str.3606, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t72, ptr %a73
-  %t74 = load ptr, ptr %a1
-  %t75 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t74, { ptr, i64, i64 } { ptr @.str.3607, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t75, ptr %a76
-  %t77 = load ptr, ptr %a1
-  %t78 = getelementptr inbounds %S.gen.Fallible, ptr %a70, i32 0, i32 1
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  %t80 = load { ptr, i64, i64 }, ptr %a73
-  %t81 = load { ptr, i64, i64 }, ptr %a76
-  call void @finch.gen.condBr(ptr %t77, { ptr, i64, i64 } %t79, { ptr, i64, i64 } %t80, { ptr, i64, i64 } %t81)
-  %t82 = load ptr, ptr %a1
-  %t83 = load { ptr, i64, i64 }, ptr %a73
-  call void @finch.gen.label(ptr %t82, { ptr, i64, i64 } %t83)
+inrange5845:
+  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
+  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 0
+  %t75 = load %S.ast.Node, ptr %t74
+  %t76 = call %S.gen.Fallible @finch.gen.fallibleCall(ptr %t68, %S.ast.Node %t75)
+  store %S.gen.Fallible %t76, ptr %a77
+  %t78 = load ptr, ptr %a1
+  %t79 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t78, { ptr, i64, i64 } { ptr @.str.3772, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t79, ptr %a80
+  %t81 = load ptr, ptr %a1
+  %t82 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t81, { ptr, i64, i64 } { ptr @.str.3773, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t82, ptr %a83
   %t84 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t84, i64 0)
-  %t85 = load ptr, ptr %a1
-  %t86 = load ptr, ptr %a1
-  %t87 = load ptr, ptr %a1
-  %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic5479, label %ok5480
-panic5479:
-  call void @finch_panic(ptr @.str.3609, i64 2877, ptr @.str.3610)
+  %t85 = getelementptr inbounds %S.gen.Fallible, ptr %a77, i32 0, i32 1
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  %t87 = load { ptr, i64, i64 }, ptr %a80
+  %t88 = load { ptr, i64, i64 }, ptr %a83
+  call void @finch.gen.condBr(ptr %t84, { ptr, i64, i64 } %t86, { ptr, i64, i64 } %t87, { ptr, i64, i64 } %t88)
+  %t89 = load ptr, ptr %a1
+  %t90 = load { ptr, i64, i64 }, ptr %a80
+  call void @finch.gen.label(ptr %t89, { ptr, i64, i64 } %t90)
+  %t91 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t91, i64 0)
+  %t92 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t92, i64 0)
+  %t93 = load ptr, ptr %a1
+  %t94 = load ptr, ptr %a1
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic5846, label %ok5847
+panic5846:
+  call void @finch_panic(ptr @.str.3775, i64 3131, ptr @.str.3776)
   unreachable
-ok5480:
-  %t89 = getelementptr inbounds %S.gen.Gen, ptr %t87, i32 0, i32 12
-  %t90 = load %S.gen.FnSig, ptr %t89
-  %t91 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t86, %S.gen.FnSig %t90)
-  store { ptr, i64, i64 } { ptr @.str.3608, i64 4, i64 0 }, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.3611, i64 1, i64 0 }, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = load ptr, ptr %a1
-  %t101 = load ptr, ptr %a1
-  %t102 = load ptr, ptr %a1
-  %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic5481, label %ok5482
-panic5481:
-  call void @finch_panic(ptr @.str.3613, i64 2877, ptr @.str.3614)
+ok5847:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 13
+  %t98 = load %S.gen.FnSig, ptr %t97
+  %t99 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t94, %S.gen.FnSig %t98)
+  store { ptr, i64, i64 } { ptr @.str.3774, i64 4, i64 0 }, ptr %a101
+  store { ptr, i64, i64 } %t99, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t99, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.3777, i64 1, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = load ptr, ptr %a1
+  %t111 = load ptr, ptr %a1
+  %t112 = load ptr, ptr %a1
+  %t113 = icmp eq ptr %t112, null
+  br i1 %t113, label %panic5848, label %ok5849
+panic5848:
+  call void @finch_panic(ptr @.str.3779, i64 3131, ptr @.str.3780)
   unreachable
-ok5482:
-  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 12
-  %t105 = load %S.gen.FnSig, ptr %t104
-  %t106 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t101, %S.gen.FnSig %t105)
-  store { ptr, i64, i64 } { ptr @.str.3612, i64 12, i64 0 }, ptr %a108
-  store { ptr, i64, i64 } %t106, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  store { ptr, i64, i64 } %t110, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.3615, i64 36, i64 0 }, ptr %a113
-  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
-  %t114 = load { ptr, i64, i64 }, ptr %a111
-  %t115 = getelementptr inbounds %S.gen.Fallible, ptr %a70, i32 0, i32 2
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store { ptr, i64, i64 } %t114, ptr %a118
+ok5849:
+  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 13
+  %t115 = load %S.gen.FnSig, ptr %t114
+  %t116 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t111, %S.gen.FnSig %t115)
+  store { ptr, i64, i64 } { ptr @.str.3778, i64 12, i64 0 }, ptr %a118
   store { ptr, i64, i64 } %t116, ptr %a119
   call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  store { ptr, i64, i64 } %t120, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.3616, i64 3, i64 0 }, ptr %a123
-  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
-  %t124 = load { ptr, i64, i64 }, ptr %a121
-  %t125 = call { ptr, i64, i64 } @finch.gen.op(ptr %t100, { ptr, i64, i64 } %t124)
-  store { ptr, i64, i64 } %t99, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  call void @finch.gen.emit(ptr %t85, { ptr, i64, i64 } %t129)
-  %t130 = load ptr, ptr %a1
-  %t131 = icmp eq ptr %t130, null
-  br i1 %t131, label %panic5483, label %ok5484
-panic5483:
-  call void @finch_panic(ptr @.str.3617, i64 2878, ptr @.str.3618)
+  store { ptr, i64, i64 } %t116, ptr %a120
+  call void @finch_str_drop(ptr %a120)
+  %t121 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t121, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.3781, i64 36, i64 0 }, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  %t127 = getelementptr inbounds %S.gen.Fallible, ptr %a77, i32 0, i32 2
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t126, ptr %a130
+  store { ptr, i64, i64 } %t128, ptr %a131
+  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
+  store { ptr, i64, i64 } %t126, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t133, ptr %a135
+  store { ptr, i64, i64 } { ptr @.str.3782, i64 3, i64 0 }, ptr %a136
+  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
+  store { ptr, i64, i64 } %t133, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  %t138 = load { ptr, i64, i64 }, ptr %a134
+  %t139 = call { ptr, i64, i64 } @finch.gen.op(ptr %t110, { ptr, i64, i64 } %t138)
+  store { ptr, i64, i64 } %t138, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  store { ptr, i64, i64 } %t109, ptr %a142
+  store { ptr, i64, i64 } %t139, ptr %a143
+  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
+  store { ptr, i64, i64 } %t109, ptr %a144
+  call void @finch_str_drop(ptr %a144)
+  store { ptr, i64, i64 } %t139, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a141
+  call void @finch.gen.emit(ptr %t93, { ptr, i64, i64 } %t146)
+  store { ptr, i64, i64 } %t146, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  %t148 = load ptr, ptr %a1
+  %t149 = icmp eq ptr %t148, null
+  br i1 %t149, label %panic5850, label %ok5851
+panic5850:
+  call void @finch_panic(ptr @.str.3783, i64 3132, ptr @.str.3784)
   unreachable
-ok5484:
-  %t132 = getelementptr inbounds %S.gen.Gen, ptr %t130, i32 0, i32 9
-  store i1 true, ptr %t132
-  %t133 = load ptr, ptr %a1
-  %t134 = load { ptr, i64, i64 }, ptr %a76
-  call void @finch.gen.label(ptr %t133, { ptr, i64, i64 } %t134)
-  %t135 = getelementptr inbounds %S.gen.Fallible, ptr %a70, i32 0, i32 0
-  %t136 = load %S.gen.Val, ptr %t135
-  store %S.gen.Val %t136, ptr %a137
-  call void @finch.copy.S_gen_Val(ptr %a138, ptr %a137)
-  %t139 = load %S.gen.Val, ptr %a138
-  ret %S.gen.Val %t139
+ok5851:
+  %t150 = getelementptr inbounds %S.gen.Gen, ptr %t148, i32 0, i32 9
+  store i1 true, ptr %t150
+  %t151 = load ptr, ptr %a1
+  %t152 = load { ptr, i64, i64 }, ptr %a83
+  call void @finch.gen.label(ptr %t151, { ptr, i64, i64 } %t152)
+  %t153 = getelementptr inbounds %S.gen.Fallible, ptr %a77, i32 0, i32 0
+  %t154 = load %S.gen.Val, ptr %t153
+  store %S.gen.Val %t154, ptr %a155
+  call void @finch.copy.S_gen_Val(ptr %a156, ptr %a155)
+  %t157 = load %S.gen.Val, ptr %a156
+  call void @finch_str_drop(ptr %a83)
+  call void @finch_str_drop(ptr %a80)
+  call void @finch.drop.S_gen_Fallible(ptr %a77)
+  ret %S.gen.Val %t157
 }
 
 define internal %S.gen.Val @finch.gen.orElse(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -50375,52 +59746,66 @@ entry:
   %a19 = alloca %S.gen.Val, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca i1, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca %S.gen.Val, align 16
-  %a105 = alloca %S.gen.Val, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca %S.ast.Type, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca i1, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca %S.gen.Val, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca %S.ast.Type, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca %S.gen.Val, align 16
+  %a155 = alloca %S.gen.Val, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a230 = alloca %S.ast.Type, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca %S.ast.Type, align 16
+  %a245 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -50429,11 +59814,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range5485, label %inrange5486
-range5485:
-  call void @finch_panic_index(ptr @.str.3619, i64 2885, i64 0, i64 %t7)
+  br i1 %t8, label %range5852, label %inrange5853
+range5852:
+  call void @finch_panic_index(ptr @.str.3785, i64 3139, i64 0, i64 %t7)
   unreachable
-inrange5486:
+inrange5853:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
@@ -50446,10 +59831,10 @@ inrange5486:
   %t18 = load %S.gen.Val, ptr %a17
   store %S.gen.Val %t18, ptr %a19
   %t20 = load ptr, ptr %a1
-  %t21 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t20, { ptr, i64, i64 } { ptr @.str.3620, i64 9, i64 0 })
+  %t21 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t20, { ptr, i64, i64 } { ptr @.str.3786, i64 9, i64 0 })
   store { ptr, i64, i64 } %t21, ptr %a22
   %t23 = load ptr, ptr %a1
-  %t24 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t23, { ptr, i64, i64 } { ptr @.str.3621, i64 5, i64 0 })
+  %t24 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t23, { ptr, i64, i64 } { ptr @.str.3787, i64 5, i64 0 })
   store { ptr, i64, i64 } %t24, ptr %a25
   %t26 = load ptr, ptr %a1
   %t27 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 1
@@ -50462,299 +59847,347 @@ inrange5486:
   call void @finch.gen.label(ptr %t31, { ptr, i64, i64 } %t32)
   %t33 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 6
   %t34 = load i1, ptr %t33
-  br i1 %t34, label %then5487, label %endif5489
-then5487:
+  br i1 %t34, label %then5854, label %endif5856
+then5854:
   %t35 = load ptr, ptr %a1
   call void @finch.gen.pushScope(ptr %t35)
   %t36 = load ptr, ptr %a1
   %t37 = load %S.ast.Node, ptr %a2
-  %t38 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3623, i64 3, i64 0 })
+  %t38 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3789, i64 3, i64 0 })
   %t39 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 2
   %t40 = load { ptr, i64, i64 }, ptr %t39
-  %t41 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } { ptr @.str.3622, i64 3, i64 0 }, %S.ast.Type %t38, { ptr, i64, i64 } %t40, i1 true)
-  %t42 = load ptr, ptr %a1
-  %t43 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  %t45 = extractvalue { ptr, i64, i64 } %t44, 1
-  %t46 = icmp uge i64 1, %t45
-  br i1 %t46, label %range5490, label %inrange5491
-range5490:
-  call void @finch_panic_index(ptr @.str.3624, i64 2894, i64 1, i64 %t45)
+  %t41 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } { ptr @.str.3788, i64 3, i64 0 }, %S.ast.Type %t38, { ptr, i64, i64 } %t40, i1 true, i1 true)
+  store %S.ast.Type %t38, ptr %a42
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  store { ptr, i64, i64 } %t41, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load ptr, ptr %a1
+  %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = icmp uge i64 1, %t47
+  br i1 %t48, label %range5857, label %inrange5858
+range5857:
+  call void @finch_panic_index(ptr @.str.3790, i64 3148, i64 1, i64 %t47)
   unreachable
-inrange5491:
-  %t47 = extractvalue { ptr, i64, i64 } %t44, 0
-  %t48 = getelementptr inbounds %S.ast.Node, ptr %t47, i64 1
-  %t49 = load %S.ast.Node, ptr %t48
-  call void @finch.gen.block(ptr %t42, %S.ast.Node %t49, i1 true)
-  %t50 = load ptr, ptr %a1
-  %t51 = icmp eq ptr %t50, null
-  br i1 %t51, label %panic5492, label %ok5493
-panic5492:
-  call void @finch_panic(ptr @.str.3625, i64 2895, ptr @.str.3626)
+inrange5858:
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 1
+  %t51 = load %S.ast.Node, ptr %t50
+  call void @finch.gen.block(ptr %t44, %S.ast.Node %t51, i1 true)
+  %t52 = load ptr, ptr %a1
+  %t53 = icmp eq ptr %t52, null
+  br i1 %t53, label %panic5859, label %ok5860
+panic5859:
+  call void @finch_panic(ptr @.str.3791, i64 3149, ptr @.str.3792)
   unreachable
-ok5493:
-  %t52 = getelementptr inbounds %S.gen.Gen, ptr %t50, i32 0, i32 9
-  %t53 = load i1, ptr %t52
-  store i1 %t53, ptr %a54
-  %t55 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t55)
-  %t56 = load i1, ptr %a54
-  %t57 = xor i1 %t56, true
-  br label %logic.from5494
-logic.from5494:
-  br i1 %t57, label %logic.rhs5495, label %logic.end5496
-logic.rhs5495:
-  %t58 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t59 = getelementptr inbounds %S.ast.Type, ptr %t58, i32 0, i32 0
-  %t60 = load { ptr, i64, i64 }, ptr %t59
-  store { ptr, i64, i64 } %t60, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.3627, i64 4, i64 0 }, ptr %a62
-  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
-  %t64 = icmp eq i32 %t63, 0
-  br label %logic.rend5497
-logic.rend5497:
-  br label %logic.end5496
-logic.end5496:
-  %t65 = phi i1 [ false, %logic.from5494 ], [ %t64, %logic.rend5497 ]
-  br label %logic.from5498
-logic.from5498:
-  br i1 %t65, label %logic.rhs5499, label %logic.end5500
-logic.rhs5499:
-  %t66 = load i1, ptr %a3
-  %t67 = xor i1 %t66, true
-  br label %logic.rend5501
-logic.rend5501:
-  br label %logic.end5500
-logic.end5500:
-  %t68 = phi i1 [ false, %logic.from5498 ], [ %t67, %logic.rend5501 ]
-  br i1 %t68, label %then5502, label %endif5504
-then5502:
-  %t69 = load ptr, ptr %a1
-  %t70 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t71 = load { ptr, i64, i64 }, ptr %t70
-  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
-  %t73 = icmp uge i64 1, %t72
-  br i1 %t73, label %range5505, label %inrange5506
-range5505:
-  call void @finch_panic_index(ptr @.str.3628, i64 2898, i64 1, i64 %t72)
+ok5860:
+  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 9
+  %t55 = load i1, ptr %t54
+  store i1 %t55, ptr %a56
+  %t57 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t57)
+  %t58 = load i1, ptr %a56
+  %t59 = xor i1 %t58, true
+  br label %logic.from5861
+logic.from5861:
+  br i1 %t59, label %logic.rhs5862, label %logic.end5863
+logic.rhs5862:
+  %t60 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i32 0, i32 0
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.3793, i64 4, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp eq i32 %t65, 0
+  br label %logic.rend5864
+logic.rend5864:
+  br label %logic.end5863
+logic.end5863:
+  %t67 = phi i1 [ false, %logic.from5861 ], [ %t66, %logic.rend5864 ]
+  br label %logic.from5865
+logic.from5865:
+  br i1 %t67, label %logic.rhs5866, label %logic.end5867
+logic.rhs5866:
+  %t68 = load i1, ptr %a3
+  %t69 = xor i1 %t68, true
+  br label %logic.rend5868
+logic.rend5868:
+  br label %logic.end5867
+logic.end5867:
+  %t70 = phi i1 [ false, %logic.from5865 ], [ %t69, %logic.rend5868 ]
+  br i1 %t70, label %then5869, label %endif5871
+then5869:
+  %t71 = load ptr, ptr %a1
+  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 1, %t74
+  br i1 %t75, label %range5872, label %inrange5873
+range5872:
+  call void @finch_panic_index(ptr @.str.3794, i64 3152, i64 1, i64 %t74)
   unreachable
-inrange5506:
-  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
-  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 1
-  %t76 = load %S.ast.Node, ptr %t75
-  call void @finch.gen.fail(ptr %t69, %S.ast.Node %t76, { ptr, i64, i64 } { ptr @.str.3629, i64 142, i64 0 })
-  br label %endif5504
-endif5504:
-  %t77 = load i1, ptr %a3
-  br label %logic.from5507
-logic.from5507:
-  br i1 %t77, label %logic.rhs5508, label %logic.end5509
-logic.rhs5508:
-  %t78 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i32 0, i32 0
-  %t80 = load { ptr, i64, i64 }, ptr %t79
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.3630, i64 4, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp eq i32 %t83, 0
-  br label %logic.rend5510
-logic.rend5510:
-  br label %logic.end5509
-logic.end5509:
-  %t85 = phi i1 [ false, %logic.from5507 ], [ %t84, %logic.rend5510 ]
-  br i1 %t85, label %then5511, label %endif5513
-then5511:
-  %t86 = load ptr, ptr %a1
-  %t87 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t86, { ptr, i64, i64 } { ptr @.str.3631, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t87, ptr %a88
-  %t89 = load ptr, ptr %a1
-  %t90 = load { ptr, i64, i64 }, ptr %a88
-  call void @finch.gen.br(ptr %t89, { ptr, i64, i64 } %t90)
+inrange5873:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %t76, i64 1
+  %t78 = load %S.ast.Node, ptr %t77
+  call void @finch.gen.fail(ptr %t71, %S.ast.Node %t78, { ptr, i64, i64 } { ptr @.str.3795, i64 142, i64 0 })
+  br label %endif5871
+endif5871:
+  %t79 = load i1, ptr %a3
+  br label %logic.from5874
+logic.from5874:
+  br i1 %t79, label %logic.rhs5875, label %logic.end5876
+logic.rhs5875:
+  %t80 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t81 = getelementptr inbounds %S.ast.Type, ptr %t80, i32 0, i32 0
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  store { ptr, i64, i64 } %t82, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.3796, i64 4, i64 0 }, ptr %a84
+  %t85 = call i32 @finch_str_eq(ptr %a83, ptr %a84)
+  %t86 = icmp eq i32 %t85, 0
+  br label %logic.rend5877
+logic.rend5877:
+  br label %logic.end5876
+logic.end5876:
+  %t87 = phi i1 [ false, %logic.from5874 ], [ %t86, %logic.rend5877 ]
+  br i1 %t87, label %then5878, label %endif5880
+then5878:
+  %t88 = load ptr, ptr %a1
+  %t89 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t88, { ptr, i64, i64 } { ptr @.str.3797, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t89, ptr %a90
   %t91 = load ptr, ptr %a1
-  %t92 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.label(ptr %t91, { ptr, i64, i64 } %t92)
+  %t92 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t91, { ptr, i64, i64 } %t92)
   %t93 = load ptr, ptr %a1
-  %t94 = load { ptr, i64, i64 }, ptr %a88
-  call void @finch.gen.br(ptr %t93, { ptr, i64, i64 } %t94)
+  %t94 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.label(ptr %t93, { ptr, i64, i64 } %t94)
   %t95 = load ptr, ptr %a1
-  %t96 = load { ptr, i64, i64 }, ptr %a88
-  call void @finch.gen.label(ptr %t95, { ptr, i64, i64 } %t96)
-  %t97 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3632, i64 4, i64 0 })
-  %t98 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t97, 1
-  ret %S.gen.Val %t98
-endif5513:
+  %t96 = load %S.gen.Val, ptr %a19
+  call void @finch.gen.release(ptr %t95, %S.gen.Val %t96)
+  %t97 = load ptr, ptr %a1
+  %t98 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t97, { ptr, i64, i64 } %t98)
   %t99 = load ptr, ptr %a1
-  %t100 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.br(ptr %t99, { ptr, i64, i64 } %t100)
-  %t101 = load ptr, ptr %a1
-  %t102 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.label(ptr %t101, { ptr, i64, i64 } %t102)
-  %t103 = load %S.gen.Val, ptr %a19
-  store %S.gen.Val %t103, ptr %a104
-  call void @finch.copy.S_gen_Val(ptr %a105, ptr %a104)
-  %t106 = load %S.gen.Val, ptr %a105
-  ret %S.gen.Val %t106
-endif5489:
-  %t107 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t108 = getelementptr inbounds %S.ast.Type, ptr %t107, i32 0, i32 0
-  %t109 = load { ptr, i64, i64 }, ptr %t108
-  store { ptr, i64, i64 } %t109, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.3633, i64 4, i64 0 }, ptr %a111
-  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
-  %t113 = icmp ne i32 %t112, 0
-  br i1 %t113, label %then5514, label %endif5516
-then5514:
-  %t114 = load ptr, ptr %a1
-  %t115 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
-  %t118 = icmp uge i64 1, %t117
-  br i1 %t118, label %range5517, label %inrange5518
-range5517:
-  call void @finch_panic_index(ptr @.str.3634, i64 2913, i64 1, i64 %t117)
+  %t100 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.label(ptr %t99, { ptr, i64, i64 } %t100)
+  %t101 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3798, i64 4, i64 0 })
+  %t102 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t101, 1
+  call void @finch_str_drop(ptr %a90)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a22)
+  call void @finch.drop.S_gen_Val(ptr %a19)
+  call void @finch.drop.S_gen_Fallible(ptr %a13)
+  ret %S.gen.Val %t102
+endif5880:
+  %t103 = load ptr, ptr %a1
+  %t104 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.br(ptr %t103, { ptr, i64, i64 } %t104)
+  %t105 = load ptr, ptr %a1
+  %t106 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.label(ptr %t105, { ptr, i64, i64 } %t106)
+  %t107 = load %S.gen.Val, ptr %a19
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a22)
+  call void @finch.drop.S_gen_Fallible(ptr %a13)
+  ret %S.gen.Val %t107
+endif5856:
+  %t108 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %t108, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  store { ptr, i64, i64 } { ptr @.str.3799, i64 4, i64 0 }, ptr %a112
+  %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
+  %t114 = icmp ne i32 %t113, 0
+  br i1 %t114, label %then5881, label %endif5883
+then5881:
+  %t115 = load ptr, ptr %a1
+  %t116 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t117 = load { ptr, i64, i64 }, ptr %t116
+  %t118 = extractvalue { ptr, i64, i64 } %t117, 1
+  %t119 = icmp uge i64 1, %t118
+  br i1 %t119, label %range5884, label %inrange5885
+range5884:
+  call void @finch_panic_index(ptr @.str.3800, i64 3168, i64 1, i64 %t118)
   unreachable
-inrange5518:
-  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
-  %t120 = getelementptr inbounds %S.ast.Node, ptr %t119, i64 1
-  %t121 = load %S.ast.Node, ptr %t120
-  call void @finch.gen.fail(ptr %t114, %S.ast.Node %t121, { ptr, i64, i64 } { ptr @.str.3635, i64 98, i64 0 })
-  br label %endif5516
-endif5516:
-  %t122 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t122)
+inrange5885:
+  %t120 = extractvalue { ptr, i64, i64 } %t117, 0
+  %t121 = getelementptr inbounds %S.ast.Node, ptr %t120, i64 1
+  %t122 = load %S.ast.Node, ptr %t121
+  call void @finch.gen.fail(ptr %t115, %S.ast.Node %t122, { ptr, i64, i64 } { ptr @.str.3801, i64 98, i64 0 })
+  br label %endif5883
+endif5883:
   %t123 = load ptr, ptr %a1
-  %t124 = load %S.ast.Node, ptr %a2
-  %t125 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3637, i64 3, i64 0 })
-  %t126 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 2
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  %t128 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t123, %S.ast.Node %t124, { ptr, i64, i64 } { ptr @.str.3636, i64 3, i64 0 }, %S.ast.Type %t125, { ptr, i64, i64 } %t127, i1 true)
-  %t129 = load ptr, ptr %a1
-  %t130 = load ptr, ptr %a1
-  %t131 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t132 = load { ptr, i64, i64 }, ptr %t131
-  %t133 = extractvalue { ptr, i64, i64 } %t132, 1
-  %t134 = icmp uge i64 1, %t133
-  br i1 %t134, label %range5519, label %inrange5520
-range5519:
-  call void @finch_panic_index(ptr @.str.3638, i64 2917, i64 1, i64 %t133)
+  call void @finch.gen.pushScope(ptr %t123)
+  %t124 = load ptr, ptr %a1
+  %t125 = load %S.ast.Node, ptr %a2
+  %t126 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3803, i64 3, i64 0 })
+  %t127 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 2
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  %t129 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t124, %S.ast.Node %t125, { ptr, i64, i64 } { ptr @.str.3802, i64 3, i64 0 }, %S.ast.Type %t126, { ptr, i64, i64 } %t128, i1 true, i1 true)
+  store %S.ast.Type %t126, ptr %a130
+  call void @finch.drop.S_ast_Type(ptr %a130)
+  store { ptr, i64, i64 } %t129, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load ptr, ptr %a1
+  %t133 = load ptr, ptr %a1
+  %t134 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  %t136 = extractvalue { ptr, i64, i64 } %t135, 1
+  %t137 = icmp uge i64 1, %t136
+  br i1 %t137, label %range5886, label %inrange5887
+range5886:
+  call void @finch_panic_index(ptr @.str.3804, i64 3172, i64 1, i64 %t136)
   unreachable
-inrange5520:
-  %t135 = extractvalue { ptr, i64, i64 } %t132, 0
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %t135, i64 1
-  %t137 = load %S.ast.Node, ptr %t136
-  %t138 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t139 = load %S.ast.Type, ptr %t138
-  %t140 = call %S.gen.Val @finch.gen.exprWant(ptr %t130, %S.ast.Node %t137, %S.ast.Type %t139)
+inrange5887:
+  %t138 = extractvalue { ptr, i64, i64 } %t135, 0
+  %t139 = getelementptr inbounds %S.ast.Node, ptr %t138, i64 1
+  %t140 = load %S.ast.Node, ptr %t139
   %t141 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
   %t142 = load %S.ast.Type, ptr %t141
-  %t143 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
-  %t146 = icmp uge i64 1, %t145
-  br i1 %t146, label %range5521, label %inrange5522
-range5521:
-  call void @finch_panic_index(ptr @.str.3639, i64 2917, i64 1, i64 %t145)
+  %t143 = call %S.gen.Val @finch.gen.exprWant(ptr %t133, %S.ast.Node %t140, %S.ast.Type %t142)
+  %t144 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t145 = load %S.ast.Type, ptr %t144
+  %t146 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t147 = load { ptr, i64, i64 }, ptr %t146
+  %t148 = extractvalue { ptr, i64, i64 } %t147, 1
+  %t149 = icmp uge i64 1, %t148
+  br i1 %t149, label %range5888, label %inrange5889
+range5888:
+  call void @finch_panic_index(ptr @.str.3805, i64 3172, i64 1, i64 %t148)
   unreachable
-inrange5522:
-  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
-  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 1
-  %t149 = load %S.ast.Node, ptr %t148
-  %t150 = call %S.gen.Val @finch.gen.coerce(ptr %t129, %S.gen.Val %t140, %S.ast.Type %t142, %S.ast.Node %t149, { ptr, i64, i64 } { ptr @.str.3640, i64 20, i64 0 })
-  store %S.gen.Val %t150, ptr %a151
-  %t152 = load ptr, ptr %a1
-  %t153 = load %S.gen.Val, ptr %a151
-  %t154 = call { ptr, i64, i64 } @finch.gen.own(ptr %t152, %S.gen.Val %t153)
-  store { ptr, i64, i64 } %t154, ptr %a155
+inrange5889:
+  %t150 = extractvalue { ptr, i64, i64 } %t147, 0
+  %t151 = getelementptr inbounds %S.ast.Node, ptr %t150, i64 1
+  %t152 = load %S.ast.Node, ptr %t151
+  %t153 = call %S.gen.Val @finch.gen.coerce(ptr %t132, %S.gen.Val %t143, %S.ast.Type %t145, %S.ast.Node %t152, { ptr, i64, i64 } { ptr @.str.3806, i64 20, i64 0 })
+  store %S.gen.Val %t143, ptr %a154
+  call void @finch.drop.S_gen_Val(ptr %a154)
+  store %S.gen.Val %t153, ptr %a155
   %t156 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t156)
-  %t157 = load ptr, ptr %a1
-  %t158 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t157, { ptr, i64, i64 } { ptr @.str.3641, i64 7, i64 0 })
+  %t157 = load %S.gen.Val, ptr %a155
+  %t158 = call { ptr, i64, i64 } @finch.gen.own(ptr %t156, %S.gen.Val %t157)
   store { ptr, i64, i64 } %t158, ptr %a159
   %t160 = load ptr, ptr %a1
-  %t161 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t160, { ptr, i64, i64 } { ptr @.str.3642, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t161, ptr %a162
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a159
-  call void @finch.gen.br(ptr %t163, { ptr, i64, i64 } %t164)
-  %t165 = load ptr, ptr %a1
-  %t166 = load { ptr, i64, i64 }, ptr %a159
-  call void @finch.gen.label(ptr %t165, { ptr, i64, i64 } %t166)
+  call void @finch.gen.popScope(ptr %t160)
+  %t161 = load ptr, ptr %a1
+  %t162 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t161, { ptr, i64, i64 } { ptr @.str.3807, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t162, ptr %a163
+  %t164 = load ptr, ptr %a1
+  %t165 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t164, { ptr, i64, i64 } { ptr @.str.3808, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t165, ptr %a166
   %t167 = load ptr, ptr %a1
-  %t168 = load { ptr, i64, i64 }, ptr %a162
+  %t168 = load { ptr, i64, i64 }, ptr %a163
   call void @finch.gen.br(ptr %t167, { ptr, i64, i64 } %t168)
   %t169 = load ptr, ptr %a1
-  %t170 = load { ptr, i64, i64 }, ptr %a25
+  %t170 = load { ptr, i64, i64 }, ptr %a163
   call void @finch.gen.label(ptr %t169, { ptr, i64, i64 } %t170)
   %t171 = load ptr, ptr %a1
-  %t172 = load { ptr, i64, i64 }, ptr %a162
+  %t172 = load { ptr, i64, i64 }, ptr %a166
   call void @finch.gen.br(ptr %t171, { ptr, i64, i64 } %t172)
   %t173 = load ptr, ptr %a1
-  %t174 = load { ptr, i64, i64 }, ptr %a162
+  %t174 = load { ptr, i64, i64 }, ptr %a25
   call void @finch.gen.label(ptr %t173, { ptr, i64, i64 } %t174)
   %t175 = load ptr, ptr %a1
-  %t176 = load ptr, ptr %a1
-  %t177 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t178 = load %S.ast.Type, ptr %t177
-  %t179 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t176, %S.ast.Type %t178)
-  store { ptr, i64, i64 } { ptr @.str.3643, i64 4, i64 0 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.3644, i64 3, i64 0 }, ptr %a186
+  %t176 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.br(ptr %t175, { ptr, i64, i64 } %t176)
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.label(ptr %t177, { ptr, i64, i64 } %t178)
+  %t179 = load ptr, ptr %a1
+  %t180 = load ptr, ptr %a1
+  %t181 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t182 = load %S.ast.Type, ptr %t181
+  %t183 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t180, %S.ast.Type %t182)
+  store { ptr, i64, i64 } { ptr @.str.3809, i64 4, i64 0 }, ptr %a185
+  store { ptr, i64, i64 } %t183, ptr %a186
   call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  %t188 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t187, ptr %a190
-  store { ptr, i64, i64 } %t188, ptr %a191
+  store { ptr, i64, i64 } %t183, ptr %a187
+  call void @finch_str_drop(ptr %a187)
+  %t188 = load { ptr, i64, i64 }, ptr %a184
+  store { ptr, i64, i64 } %t188, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.3810, i64 3, i64 0 }, ptr %a191
   call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.3645, i64 3, i64 0 }, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load { ptr, i64, i64 }, ptr %a159
-  store { ptr, i64, i64 } %t196, ptr %a199
-  store { ptr, i64, i64 } %t197, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t201, ptr %a203
-  store { ptr, i64, i64 } { ptr @.str.3646, i64 6, i64 0 }, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 0
-  %t207 = load { ptr, i64, i64 }, ptr %t206
-  store { ptr, i64, i64 } %t205, ptr %a209
-  store { ptr, i64, i64 } %t207, ptr %a210
-  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
-  %t211 = load { ptr, i64, i64 }, ptr %a208
-  store { ptr, i64, i64 } %t211, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.3647, i64 3, i64 0 }, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  %t216 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t215, ptr %a218
-  store { ptr, i64, i64 } %t216, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  store { ptr, i64, i64 } %t220, ptr %a222
-  store { ptr, i64, i64 } { ptr @.str.3648, i64 2, i64 0 }, ptr %a223
-  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
-  %t224 = load { ptr, i64, i64 }, ptr %a221
-  %t225 = call { ptr, i64, i64 } @finch.gen.op(ptr %t175, { ptr, i64, i64 } %t224)
-  %t226 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t225, 0
-  %t227 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t228 = load %S.ast.Type, ptr %t227
-  store %S.ast.Type %t228, ptr %a229
-  call void @finch.copy.S_ast_Type(ptr %a230, ptr %a229)
-  %t231 = load %S.ast.Type, ptr %a230
-  %t232 = insertvalue %S.gen.Val %t226, %S.ast.Type %t231, 1
-  %t233 = load ptr, ptr %a1
-  %t234 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t235 = load %S.ast.Type, ptr %t234
-  %t236 = call i1 @finch.gen.owning(ptr %t233, %S.ast.Type %t235)
-  %t237 = insertvalue %S.gen.Val %t232, i1 %t236, 2
-  ret %S.gen.Val %t237
+  store { ptr, i64, i64 } %t188, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  %t194 = load { ptr, i64, i64 }, ptr %a159
+  store { ptr, i64, i64 } %t193, ptr %a196
+  store { ptr, i64, i64 } %t194, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t193, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  store { ptr, i64, i64 } %t199, ptr %a201
+  store { ptr, i64, i64 } { ptr @.str.3811, i64 3, i64 0 }, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t199, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  %t204 = load { ptr, i64, i64 }, ptr %a200
+  %t205 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t204, ptr %a207
+  store { ptr, i64, i64 } %t205, ptr %a208
+  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
+  store { ptr, i64, i64 } %t204, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t210, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.3812, i64 6, i64 0 }, ptr %a213
+  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
+  store { ptr, i64, i64 } %t210, ptr %a214
+  call void @finch_str_drop(ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a211
+  %t216 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 0
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } %t215, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t215, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t222, ptr %a224
+  store { ptr, i64, i64 } { ptr @.str.3813, i64 3, i64 0 }, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t222, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t227, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  store { ptr, i64, i64 } %t227, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.3814, i64 2, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  %t239 = call { ptr, i64, i64 } @finch.gen.op(ptr %t179, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t238, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t239, 0
+  %t242 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t243 = load %S.ast.Type, ptr %t242
+  store %S.ast.Type %t243, ptr %a244
+  call void @finch.copy.S_ast_Type(ptr %a245, ptr %a244)
+  %t246 = load %S.ast.Type, ptr %a245
+  %t247 = insertvalue %S.gen.Val %t241, %S.ast.Type %t246, 1
+  %t248 = load ptr, ptr %a1
+  %t249 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t250 = load %S.ast.Type, ptr %t249
+  %t251 = call i1 @finch.gen.owning(ptr %t248, %S.ast.Type %t250)
+  %t252 = insertvalue %S.gen.Val %t247, i1 %t251, 2
+  call void @finch_str_drop(ptr %a166)
+  call void @finch_str_drop(ptr %a163)
+  call void @finch_str_drop(ptr %a159)
+  call void @finch.drop.S_gen_Val(ptr %a155)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a22)
+  call void @finch.drop.S_gen_Val(ptr %a19)
+  call void @finch.drop.S_gen_Fallible(ptr %a13)
+  ret %S.gen.Val %t252
 }
 
 define internal %S.gen.Val @finch.gen.exprWant(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -50772,31 +60205,31 @@ entry:
   %t4 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.3649, i64 5, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3815, i64 5, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then5523, label %endif5525
-then5523:
+  br i1 %t9, label %then5890, label %endif5892
+then5890:
   %t10 = load ptr, ptr %a1
   %t11 = load %S.ast.Node, ptr %a2
   %t12 = load %S.ast.Type, ptr %a3
   %t13 = call %S.gen.Val @finch.gen.arrayLit(ptr %t10, %S.ast.Node %t11, %S.ast.Type %t12)
   ret %S.gen.Val %t13
-endif5525:
+endif5892:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3650, i64 3, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.3816, i64 3, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %then5526, label %endif5528
-then5526:
+  br i1 %t19, label %then5893, label %endif5895
+then5893:
   %t20 = load ptr, ptr %a1
   %t21 = load %S.ast.Node, ptr %a2
   %t22 = load %S.ast.Type, ptr %a3
   %t23 = call %S.gen.Val @finch.gen.mapLit(ptr %t20, %S.ast.Node %t21, %S.ast.Type %t22)
   ret %S.gen.Val %t23
-endif5528:
+endif5895:
   %t24 = load ptr, ptr %a1
   %t25 = load %S.ast.Node, ptr %a2
   %t26 = call %S.gen.Val @finch.gen.expr(ptr %t24, %S.ast.Node %t25)
@@ -50853,29 +60286,33 @@ entry:
   %a180 = alloca %S.gen.Ref, align 16
   %a186 = alloca %S.gen.Val, align 16
   %a187 = alloca %S.gen.Val, align 16
-  %a203 = alloca %S.ast.Type, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca %S.ast.Type, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca %S.ast.Type, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
   %a241 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca %S.ast.Type, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca %S.ast.Type, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
@@ -50886,34 +60323,34 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.3651, i64 3, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.3817, i64 3, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br i1 %t13, label %then5529, label %endif5531
-then5529:
+  br i1 %t13, label %then5896, label %endif5898
+then5896:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3653, i64 2, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3819, i64 2, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_starts(ptr %a16, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.from5532
-logic.from5532:
-  br i1 %t20, label %logic.end5534, label %logic.rhs5533
-logic.rhs5533:
+  br label %logic.from5899
+logic.from5899:
+  br i1 %t20, label %logic.end5901, label %logic.rhs5900
+logic.rhs5900:
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3655, i64 2, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.3821, i64 2, i64 0 }, ptr %a25
   %t26 = call i32 @finch_str_starts(ptr %a23, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.rend5535
-logic.rend5535:
-  br label %logic.end5534
-logic.end5534:
-  %t28 = phi i1 [ true, %logic.from5532 ], [ %t27, %logic.rend5535 ]
-  br i1 %t28, label %then5536, label %endif5538
-then5536:
+  br label %logic.rend5902
+logic.rend5902:
+  br label %logic.end5901
+logic.end5901:
+  %t28 = phi i1 [ true, %logic.from5899 ], [ %t27, %logic.rend5902 ]
+  br i1 %t28, label %then5903, label %endif5905
+then5903:
   store i64 0, ptr %a29
   %t30 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t31 = load { ptr, i64, i64 }, ptr %t30
@@ -50921,18 +60358,18 @@ then5536:
   %t34 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
   %t36 = load i64, ptr %t35
-  call void @finch_str_sub(ptr %a33, ptr %a32, i64 2, i64 %t36, ptr @.str.3656, i64 2946)
+  call void @finch_str_sub(ptr %a33, ptr %a32, i64 2, i64 %t36, ptr @.str.3822, i64 3201)
   %t37 = load { ptr, i64, i64 }, ptr %a33
   store { ptr, i64, i64 } %t37, ptr %a38
   store i64 0, ptr %a39
-  br label %each.cond5539
-each.cond5539:
+  br label %each.cond5906
+each.cond5906:
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %a38, i32 0, i32 1
   %t41 = load i64, ptr %t40
   %t42 = load i64, ptr %a39
   %t43 = icmp slt i64 %t42, %t41
-  br i1 %t43, label %each.body5540, label %each.end5542
-each.body5540:
+  br i1 %t43, label %each.body5907, label %each.end5909
+each.body5907:
   %t44 = load ptr, ptr %a38
   %t45 = getelementptr inbounds i8, ptr %t44, i64 %t42
   %t46 = load i8, ptr %t45
@@ -50944,134 +60381,139 @@ each.body5540:
   store i64 %t51, ptr %a52
   %t53 = load i8, ptr %a47
   %t54 = icmp uge i8 %t53, 97
-  br label %logic.from5543
-logic.from5543:
-  br i1 %t54, label %logic.rhs5544, label %logic.end5545
-logic.rhs5544:
+  br label %logic.from5910
+logic.from5910:
+  br i1 %t54, label %logic.rhs5911, label %logic.end5912
+logic.rhs5911:
   %t55 = load i8, ptr %a47
   %t56 = icmp ule i8 %t55, 102
-  br label %logic.rend5546
-logic.rend5546:
-  br label %logic.end5545
-logic.end5545:
-  %t57 = phi i1 [ false, %logic.from5543 ], [ %t56, %logic.rend5546 ]
-  br i1 %t57, label %then5547, label %endif5549
-then5547:
+  br label %logic.rend5913
+logic.rend5913:
+  br label %logic.end5912
+logic.end5912:
+  %t57 = phi i1 [ false, %logic.from5910 ], [ %t56, %logic.rend5913 ]
+  br i1 %t57, label %then5914, label %endif5916
+then5914:
   %t58 = load i8, ptr %a47
   %t59 = zext i8 %t58 to i64
   %t60 = zext i8 97 to i64
   %t61 = sub i64 %t59, %t60
   %t62 = add i64 %t61, 10
   store i64 %t62, ptr %a52
-  br label %endif5549
-endif5549:
+  br label %endif5916
+endif5916:
   %t63 = load i8, ptr %a47
   %t64 = icmp uge i8 %t63, 65
-  br label %logic.from5550
-logic.from5550:
-  br i1 %t64, label %logic.rhs5551, label %logic.end5552
-logic.rhs5551:
+  br label %logic.from5917
+logic.from5917:
+  br i1 %t64, label %logic.rhs5918, label %logic.end5919
+logic.rhs5918:
   %t65 = load i8, ptr %a47
   %t66 = icmp ule i8 %t65, 70
-  br label %logic.rend5553
-logic.rend5553:
-  br label %logic.end5552
-logic.end5552:
-  %t67 = phi i1 [ false, %logic.from5550 ], [ %t66, %logic.rend5553 ]
-  br i1 %t67, label %then5554, label %endif5556
-then5554:
+  br label %logic.rend5920
+logic.rend5920:
+  br label %logic.end5919
+logic.end5919:
+  %t67 = phi i1 [ false, %logic.from5917 ], [ %t66, %logic.rend5920 ]
+  br i1 %t67, label %then5921, label %endif5923
+then5921:
   %t68 = load i8, ptr %a47
   %t69 = zext i8 %t68 to i64
   %t70 = zext i8 65 to i64
   %t71 = sub i64 %t69, %t70
   %t72 = add i64 %t71, 10
   store i64 %t72, ptr %a52
-  br label %endif5556
-endif5556:
+  br label %endif5923
+endif5923:
   %t73 = load i64, ptr %a29
   %t74 = mul i64 %t73, 16
   %t75 = load i64, ptr %a52
   %t76 = add i64 %t74, %t75
   store i64 %t76, ptr %a29
-  br label %each.step5541
-each.step5541:
+  br label %each.step5908
+each.step5908:
   %t77 = load i64, ptr %a39
   %t78 = add i64 %t77, 1
   store i64 %t78, ptr %a39
-  br label %each.cond5539
-each.end5542:
+  br label %each.cond5906
+each.end5909:
+  call void @finch_str_drop(ptr %a38)
   %t79 = load i64, ptr %a29
   call void @finch_str_from_int(ptr %a80, i64 %t79)
   %t81 = load { ptr, i64, i64 }, ptr %a80
   %t82 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t81, 0
-  %t83 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3657, i64 3, i64 0 })
+  %t83 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3823, i64 3, i64 0 })
   %t84 = insertvalue %S.gen.Val %t82, %S.ast.Type %t83, 1
   %t85 = insertvalue %S.gen.Val %t84, i1 true, 3
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t85
-endif5538:
+endif5905:
   %t86 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t87 = load { ptr, i64, i64 }, ptr %t86
   store { ptr, i64, i64 } %t87, ptr %a88
-  %t89 = call i64 @finch_str_to_int(ptr %a88, ptr @.str.3658, i64 2958)
+  %t89 = call i64 @finch_str_to_int(ptr %a88, ptr @.str.3824, i64 3213)
   call void @finch_str_from_int(ptr %a90, i64 %t89)
   %t91 = load { ptr, i64, i64 }, ptr %a90
   %t92 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t91, 0
-  %t93 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3659, i64 3, i64 0 })
+  %t93 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3825, i64 3, i64 0 })
   %t94 = insertvalue %S.gen.Val %t92, %S.ast.Type %t93, 1
   %t95 = insertvalue %S.gen.Val %t94, i1 true, 3
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t95
-endif5531:
+endif5898:
   %t96 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t96, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.3660, i64 5, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.3826, i64 5, i64 0 }, ptr %a98
   %t99 = call i32 @finch_str_eq(ptr %a97, ptr %a98)
   %t100 = icmp ne i32 %t99, 0
-  br i1 %t100, label %then5557, label %endif5559
-then5557:
+  br i1 %t100, label %then5924, label %endif5926
+then5924:
   %t101 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t102 = load { ptr, i64, i64 }, ptr %t101
   store { ptr, i64, i64 } %t102, ptr %a103
   call void @finch_str_copy(ptr %a104, ptr %a103)
   %t105 = load { ptr, i64, i64 }, ptr %a104
   %t106 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t105, 0
-  %t107 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3661, i64 5, i64 0 })
+  %t107 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3827, i64 5, i64 0 })
   %t108 = insertvalue %S.gen.Val %t106, %S.ast.Type %t107, 1
   %t109 = insertvalue %S.gen.Val %t108, i1 true, 3
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t109
-endif5559:
+endif5926:
   %t110 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t110, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.3662, i64 4, i64 0 }, ptr %a112
+  store { ptr, i64, i64 } { ptr @.str.3828, i64 4, i64 0 }, ptr %a112
   %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
   %t114 = icmp ne i32 %t113, 0
-  br i1 %t114, label %then5560, label %endif5562
-then5560:
+  br i1 %t114, label %then5927, label %endif5929
+then5927:
   %t115 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t116 = load { ptr, i64, i64 }, ptr %t115
   store { ptr, i64, i64 } %t116, ptr %a117
   call void @finch_str_copy(ptr %a118, ptr %a117)
   %t119 = load { ptr, i64, i64 }, ptr %a118
   %t120 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t119, 0
-  %t121 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3663, i64 4, i64 0 })
+  %t121 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3829, i64 4, i64 0 })
   %t122 = insertvalue %S.gen.Val %t120, %S.ast.Type %t121, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t122
-endif5562:
+endif5929:
   %t123 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t123, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.3664, i64 4, i64 0 }, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.3830, i64 4, i64 0 }, ptr %a125
   %t126 = call i32 @finch_str_eq(ptr %a124, ptr %a125)
   %t127 = icmp ne i32 %t126, 0
-  br i1 %t127, label %then5563, label %endif5565
-then5563:
+  br i1 %t127, label %then5930, label %endif5932
+then5930:
   %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t129 = load { ptr, i64, i64 }, ptr %t128
   %t130 = extractvalue { ptr, i64, i64 } %t129, 1
   %t131 = icmp uge i64 0, %t130
-  br i1 %t131, label %range5566, label %inrange5567
-range5566:
-  call void @finch_panic_index(ptr @.str.3665, i64 2967, i64 0, i64 %t130)
+  br i1 %t131, label %range5933, label %inrange5934
+range5933:
+  call void @finch_panic_index(ptr @.str.3831, i64 3222, i64 0, i64 %t130)
   unreachable
-inrange5567:
+inrange5934:
   %t132 = extractvalue { ptr, i64, i64 } %t129, 0
   %t133 = getelementptr inbounds i8, ptr %t132, i64 0
   %t134 = load i8, ptr %t133
@@ -51081,70 +60523,73 @@ inrange5567:
   call void @finch_str_from_int(ptr %a138, i64 %t137)
   %t139 = load { ptr, i64, i64 }, ptr %a138
   %t140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
-  %t141 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3666, i64 4, i64 0 })
+  %t141 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3832, i64 4, i64 0 })
   %t142 = insertvalue %S.gen.Val %t140, %S.ast.Type %t141, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t142
-endif5565:
+endif5932:
   %t143 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t143, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.3667, i64 3, i64 0 }, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.3833, i64 3, i64 0 }, ptr %a145
   %t146 = call i32 @finch_str_eq(ptr %a144, ptr %a145)
   %t147 = icmp ne i32 %t146, 0
-  br i1 %t147, label %then5568, label %endif5570
-then5568:
+  br i1 %t147, label %then5935, label %endif5937
+then5935:
   %t148 = load ptr, ptr %a1
   %t149 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t150 = load { ptr, i64, i64 }, ptr %t149
   %t151 = call %S.gen.Val @finch.gen.strConst(ptr %t148, { ptr, i64, i64 } %t150)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t151
-endif5570:
+endif5937:
   %t152 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.3668, i64 4, i64 0 }, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.3834, i64 4, i64 0 }, ptr %a154
   %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
   %t156 = icmp ne i32 %t155, 0
-  br i1 %t156, label %then5571, label %endif5573
-then5571:
-  %t157 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.3669, i64 4, i64 0 }, 0
-  %t158 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3670, i64 4, i64 0 })
+  br i1 %t156, label %then5938, label %endif5940
+then5938:
+  %t157 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.3835, i64 4, i64 0 }, 0
+  %t158 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3836, i64 4, i64 0 })
   %t159 = insertvalue %S.gen.Val %t157, %S.ast.Type %t158, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t159
-endif5573:
+endif5940:
   %t160 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t160, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.3671, i64 3, i64 0 }, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.3837, i64 3, i64 0 }, ptr %a162
   %t163 = call i32 @finch_str_eq(ptr %a161, ptr %a162)
   %t164 = icmp ne i32 %t163, 0
-  br label %logic.from5574
-logic.from5574:
-  br i1 %t164, label %logic.end5576, label %logic.rhs5575
-logic.rhs5575:
+  br label %logic.from5941
+logic.from5941:
+  br i1 %t164, label %logic.end5943, label %logic.rhs5942
+logic.rhs5942:
   %t165 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t165, ptr %a166
-  store { ptr, i64, i64 } { ptr @.str.3672, i64 6, i64 0 }, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.3838, i64 6, i64 0 }, ptr %a167
   %t168 = call i32 @finch_str_eq(ptr %a166, ptr %a167)
   %t169 = icmp ne i32 %t168, 0
-  br label %logic.rend5577
-logic.rend5577:
-  br label %logic.end5576
-logic.end5576:
-  %t170 = phi i1 [ true, %logic.from5574 ], [ %t169, %logic.rend5577 ]
-  br label %logic.from5578
-logic.from5578:
-  br i1 %t170, label %logic.end5580, label %logic.rhs5579
-logic.rhs5579:
+  br label %logic.rend5944
+logic.rend5944:
+  br label %logic.end5943
+logic.end5943:
+  %t170 = phi i1 [ true, %logic.from5941 ], [ %t169, %logic.rend5944 ]
+  br label %logic.from5945
+logic.from5945:
+  br i1 %t170, label %logic.end5947, label %logic.rhs5946
+logic.rhs5946:
   %t171 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t171, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.3673, i64 5, i64 0 }, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.3839, i64 5, i64 0 }, ptr %a173
   %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
   %t175 = icmp ne i32 %t174, 0
-  br label %logic.rend5581
-logic.rend5581:
-  br label %logic.end5580
-logic.end5580:
-  %t176 = phi i1 [ true, %logic.from5578 ], [ %t175, %logic.rend5581 ]
-  br i1 %t176, label %then5582, label %endif5584
-then5582:
+  br label %logic.rend5948
+logic.rend5948:
+  br label %logic.end5947
+logic.end5947:
+  %t176 = phi i1 [ true, %logic.from5945 ], [ %t175, %logic.rend5948 ]
+  br i1 %t176, label %then5949, label %endif5951
+then5949:
   %t177 = load ptr, ptr %a1
   %t178 = load %S.ast.Node, ptr %a2
   %t179 = call %S.gen.Ref @finch.gen.ref(ptr %t177, %S.ast.Node %t178, i1 false)
@@ -51152,15 +60597,17 @@ then5582:
   %t181 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 0
   %t182 = load i1, ptr %t181
   %t183 = xor i1 %t182, true
-  br i1 %t183, label %then5585, label %endif5587
-then5585:
+  br i1 %t183, label %then5952, label %endif5954
+then5952:
   %t184 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 2
   %t185 = load %S.gen.Val, ptr %t184
   store %S.gen.Val %t185, ptr %a186
   call void @finch.copy.S_gen_Val(ptr %a187, ptr %a186)
   %t188 = load %S.gen.Val, ptr %a187
+  call void @finch.drop.S_gen_Ref(ptr %a180)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t188
-endif5587:
+endif5954:
   %t189 = load ptr, ptr %a1
   %t190 = load ptr, ptr %a1
   %t191 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 1
@@ -51171,134 +60618,154 @@ endif5587:
   %t196 = getelementptr inbounds %S.gen.Place, ptr %t195, i32 0, i32 0
   %t197 = load { ptr, i64, i64 }, ptr %t196
   %t198 = call { ptr, i64, i64 } @finch.gen.load(ptr %t189, { ptr, i64, i64 } %t194, { ptr, i64, i64 } %t197)
-  %t199 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t198, 0
-  %t200 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 1
-  %t201 = getelementptr inbounds %S.gen.Place, ptr %t200, i32 0, i32 1
-  %t202 = load %S.ast.Type, ptr %t201
-  store %S.ast.Type %t202, ptr %a203
-  call void @finch.copy.S_ast_Type(ptr %a204, ptr %a203)
-  %t205 = load %S.ast.Type, ptr %a204
-  %t206 = insertvalue %S.gen.Val %t199, %S.ast.Type %t205, 1
-  ret %S.gen.Val %t206
-endif5584:
-  %t207 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t207, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.3674, i64 5, i64 0 }, ptr %a209
-  %t210 = call i32 @finch_str_eq(ptr %a208, ptr %a209)
-  %t211 = icmp ne i32 %t210, 0
-  br i1 %t211, label %then5588, label %endif5590
-then5588:
-  %t212 = load ptr, ptr %a1
-  %t213 = load %S.ast.Node, ptr %a2
-  %t214 = call %S.gen.Val @finch.gen.matchGen(ptr %t212, %S.ast.Node %t213, i1 true)
-  ret %S.gen.Val %t214
-endif5590:
-  %t215 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t215, ptr %a216
-  store { ptr, i64, i64 } { ptr @.str.3675, i64 3, i64 0 }, ptr %a217
-  %t218 = call i32 @finch_str_eq(ptr %a216, ptr %a217)
-  %t219 = icmp ne i32 %t218, 0
-  br i1 %t219, label %then5591, label %endif5593
-then5591:
-  %t220 = load ptr, ptr %a1
-  %t221 = load %S.ast.Node, ptr %a2
-  %t222 = call %S.gen.Val @finch.gen.tryExpr(ptr %t220, %S.ast.Node %t221)
-  ret %S.gen.Val %t222
-endif5593:
-  %t223 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t223, ptr %a224
-  store { ptr, i64, i64 } { ptr @.str.3676, i64 2, i64 0 }, ptr %a225
-  %t226 = call i32 @finch_str_eq(ptr %a224, ptr %a225)
-  %t227 = icmp ne i32 %t226, 0
-  br i1 %t227, label %then5594, label %endif5596
-then5594:
-  %t228 = load ptr, ptr %a1
-  %t229 = load %S.ast.Node, ptr %a2
-  %t230 = call %S.gen.Val @finch.gen.orElse(ptr %t228, %S.ast.Node %t229, i1 false)
-  ret %S.gen.Val %t230
-endif5596:
-  %t231 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t231, ptr %a232
-  store { ptr, i64, i64 } { ptr @.str.3677, i64 5, i64 0 }, ptr %a233
-  %t234 = call i32 @finch_str_eq(ptr %a232, ptr %a233)
-  %t235 = icmp ne i32 %t234, 0
-  br i1 %t235, label %then5597, label %endif5599
-then5597:
-  %t236 = load ptr, ptr %a1
-  %t237 = load %S.ast.Node, ptr %a2
-  %t238 = call %S.gen.Val @finch.gen.unary(ptr %t236, %S.ast.Node %t237)
-  ret %S.gen.Val %t238
-endif5599:
-  %t239 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t239, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.3678, i64 6, i64 0 }, ptr %a241
-  %t242 = call i32 @finch_str_eq(ptr %a240, ptr %a241)
-  %t243 = icmp ne i32 %t242, 0
-  br i1 %t243, label %then5600, label %endif5602
-then5600:
-  %t244 = load ptr, ptr %a1
-  %t245 = load %S.ast.Node, ptr %a2
-  %t246 = call %S.gen.Val @finch.gen.binary(ptr %t244, %S.ast.Node %t245)
-  ret %S.gen.Val %t246
-endif5602:
-  %t247 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t247, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.3679, i64 4, i64 0 }, ptr %a249
-  %t250 = call i32 @finch_str_eq(ptr %a248, ptr %a249)
-  %t251 = icmp ne i32 %t250, 0
-  br i1 %t251, label %then5603, label %endif5605
-then5603:
-  %t252 = load ptr, ptr %a1
-  %t253 = load %S.ast.Node, ptr %a2
-  %t254 = call %S.gen.Val @finch.gen.call(ptr %t252, %S.ast.Node %t253)
-  ret %S.gen.Val %t254
-endif5605:
-  %t255 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t255, ptr %a256
-  store { ptr, i64, i64 } { ptr @.str.3680, i64 6, i64 0 }, ptr %a257
-  %t258 = call i32 @finch_str_eq(ptr %a256, ptr %a257)
-  %t259 = icmp ne i32 %t258, 0
-  br i1 %t259, label %then5606, label %endif5608
-then5606:
-  %t260 = load ptr, ptr %a1
-  %t261 = load %S.ast.Node, ptr %a2
-  %t262 = call %S.gen.Val @finch.gen.method(ptr %t260, %S.ast.Node %t261)
-  ret %S.gen.Val %t262
-endif5608:
-  %t263 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t263, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.3681, i64 5, i64 0 }, ptr %a265
-  %t266 = call i32 @finch_str_eq(ptr %a264, ptr %a265)
-  %t267 = icmp ne i32 %t266, 0
-  br i1 %t267, label %then5609, label %endif5611
-then5609:
-  %t268 = load ptr, ptr %a1
-  %t269 = load %S.ast.Node, ptr %a2
-  %t270 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3682, i64 4, i64 0 })
-  %t271 = call %S.gen.Val @finch.gen.arrayLit(ptr %t268, %S.ast.Node %t269, %S.ast.Type %t270)
-  ret %S.gen.Val %t271
-endif5611:
-  %t272 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t272, ptr %a273
-  store { ptr, i64, i64 } { ptr @.str.3683, i64 3, i64 0 }, ptr %a274
-  %t275 = call i32 @finch_str_eq(ptr %a273, ptr %a274)
-  %t276 = icmp ne i32 %t275, 0
-  br i1 %t276, label %then5612, label %endif5614
-then5612:
-  %t277 = load ptr, ptr %a1
-  %t278 = load %S.ast.Node, ptr %a2
-  %t279 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3684, i64 4, i64 0 })
-  %t280 = call %S.gen.Val @finch.gen.mapLit(ptr %t277, %S.ast.Node %t278, %S.ast.Type %t279)
-  ret %S.gen.Val %t280
-endif5614:
-  %t281 = load ptr, ptr %a1
-  %t282 = load %S.ast.Node, ptr %a2
-  %t283 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.3685, i64 19, i64 0 }, ptr %a285
-  store { ptr, i64, i64 } %t283, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  call void @finch.gen.fail(ptr %t281, %S.ast.Node %t282, { ptr, i64, i64 } %t287)
+  store { ptr, i64, i64 } %t194, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t198, 0
+  %t201 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 1
+  %t202 = getelementptr inbounds %S.gen.Place, ptr %t201, i32 0, i32 1
+  %t203 = load %S.ast.Type, ptr %t202
+  store %S.ast.Type %t203, ptr %a204
+  call void @finch.copy.S_ast_Type(ptr %a205, ptr %a204)
+  %t206 = load %S.ast.Type, ptr %a205
+  %t207 = insertvalue %S.gen.Val %t200, %S.ast.Type %t206, 1
+  call void @finch.drop.S_gen_Ref(ptr %a180)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t207
+endif5951:
+  %t208 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t208, ptr %a209
+  store { ptr, i64, i64 } { ptr @.str.3840, i64 5, i64 0 }, ptr %a210
+  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
+  %t212 = icmp ne i32 %t211, 0
+  br i1 %t212, label %then5955, label %endif5957
+then5955:
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.ast.Node, ptr %a2
+  %t215 = call %S.gen.Val @finch.gen.matchGen(ptr %t213, %S.ast.Node %t214, i1 true)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t215
+endif5957:
+  %t216 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t216, ptr %a217
+  store { ptr, i64, i64 } { ptr @.str.3841, i64 3, i64 0 }, ptr %a218
+  %t219 = call i32 @finch_str_eq(ptr %a217, ptr %a218)
+  %t220 = icmp ne i32 %t219, 0
+  br i1 %t220, label %then5958, label %endif5960
+then5958:
+  %t221 = load ptr, ptr %a1
+  %t222 = load %S.ast.Node, ptr %a2
+  %t223 = call %S.gen.Val @finch.gen.tryExpr(ptr %t221, %S.ast.Node %t222)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t223
+endif5960:
+  %t224 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t224, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.3842, i64 2, i64 0 }, ptr %a226
+  %t227 = call i32 @finch_str_eq(ptr %a225, ptr %a226)
+  %t228 = icmp ne i32 %t227, 0
+  br i1 %t228, label %then5961, label %endif5963
+then5961:
+  %t229 = load ptr, ptr %a1
+  %t230 = load %S.ast.Node, ptr %a2
+  %t231 = call %S.gen.Val @finch.gen.orElse(ptr %t229, %S.ast.Node %t230, i1 false)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t231
+endif5963:
+  %t232 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t232, ptr %a233
+  store { ptr, i64, i64 } { ptr @.str.3843, i64 5, i64 0 }, ptr %a234
+  %t235 = call i32 @finch_str_eq(ptr %a233, ptr %a234)
+  %t236 = icmp ne i32 %t235, 0
+  br i1 %t236, label %then5964, label %endif5966
+then5964:
+  %t237 = load ptr, ptr %a1
+  %t238 = load %S.ast.Node, ptr %a2
+  %t239 = call %S.gen.Val @finch.gen.unary(ptr %t237, %S.ast.Node %t238)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t239
+endif5966:
+  %t240 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t240, ptr %a241
+  store { ptr, i64, i64 } { ptr @.str.3844, i64 6, i64 0 }, ptr %a242
+  %t243 = call i32 @finch_str_eq(ptr %a241, ptr %a242)
+  %t244 = icmp ne i32 %t243, 0
+  br i1 %t244, label %then5967, label %endif5969
+then5967:
+  %t245 = load ptr, ptr %a1
+  %t246 = load %S.ast.Node, ptr %a2
+  %t247 = call %S.gen.Val @finch.gen.binary(ptr %t245, %S.ast.Node %t246)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t247
+endif5969:
+  %t248 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t248, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.3845, i64 4, i64 0 }, ptr %a250
+  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
+  %t252 = icmp ne i32 %t251, 0
+  br i1 %t252, label %then5970, label %endif5972
+then5970:
+  %t253 = load ptr, ptr %a1
+  %t254 = load %S.ast.Node, ptr %a2
+  %t255 = call %S.gen.Val @finch.gen.call(ptr %t253, %S.ast.Node %t254)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t255
+endif5972:
+  %t256 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t256, ptr %a257
+  store { ptr, i64, i64 } { ptr @.str.3846, i64 6, i64 0 }, ptr %a258
+  %t259 = call i32 @finch_str_eq(ptr %a257, ptr %a258)
+  %t260 = icmp ne i32 %t259, 0
+  br i1 %t260, label %then5973, label %endif5975
+then5973:
+  %t261 = load ptr, ptr %a1
+  %t262 = load %S.ast.Node, ptr %a2
+  %t263 = call %S.gen.Val @finch.gen.method(ptr %t261, %S.ast.Node %t262)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t263
+endif5975:
+  %t264 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t264, ptr %a265
+  store { ptr, i64, i64 } { ptr @.str.3847, i64 5, i64 0 }, ptr %a266
+  %t267 = call i32 @finch_str_eq(ptr %a265, ptr %a266)
+  %t268 = icmp ne i32 %t267, 0
+  br i1 %t268, label %then5976, label %endif5978
+then5976:
+  %t269 = load ptr, ptr %a1
+  %t270 = load %S.ast.Node, ptr %a2
+  %t271 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3848, i64 4, i64 0 })
+  %t272 = call %S.gen.Val @finch.gen.arrayLit(ptr %t269, %S.ast.Node %t270, %S.ast.Type %t271)
+  store %S.ast.Type %t271, ptr %a273
+  call void @finch.drop.S_ast_Type(ptr %a273)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t272
+endif5978:
+  %t274 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t274, ptr %a275
+  store { ptr, i64, i64 } { ptr @.str.3849, i64 3, i64 0 }, ptr %a276
+  %t277 = call i32 @finch_str_eq(ptr %a275, ptr %a276)
+  %t278 = icmp ne i32 %t277, 0
+  br i1 %t278, label %then5979, label %endif5981
+then5979:
+  %t279 = load ptr, ptr %a1
+  %t280 = load %S.ast.Node, ptr %a2
+  %t281 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3850, i64 4, i64 0 })
+  %t282 = call %S.gen.Val @finch.gen.mapLit(ptr %t279, %S.ast.Node %t280, %S.ast.Type %t281)
+  store %S.ast.Type %t281, ptr %a283
+  call void @finch.drop.S_ast_Type(ptr %a283)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t282
+endif5981:
+  %t284 = load ptr, ptr %a1
+  %t285 = load %S.ast.Node, ptr %a2
+  %t286 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.3851, i64 19, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a287
+  call void @finch.gen.fail(ptr %t284, %S.ast.Node %t285, { ptr, i64, i64 } %t290)
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -51309,74 +60776,94 @@ entry:
   %a12 = alloca %S.gen.Val, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca %S.gen.Val, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.ast.Type, align 16
+  %a31 = alloca %S.gen.Val, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca %S.ast.Type, align 16
-  %a93 = alloca %S.ast.Type, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.ast.Type, align 16
+  %a103 = alloca %S.ast.Type, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca %S.ast.Type, align 16
-  %a132 = alloca %S.ast.Type, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca %S.ast.Type, align 16
-  %a146 = alloca %S.ast.Type, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca %S.ast.Type, align 16
+  %a144 = alloca %S.ast.Type, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca %S.ast.Type, align 16
+  %a158 = alloca %S.ast.Type, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca %S.ast.Type, align 16
-  %a174 = alloca %S.ast.Type, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca %S.ast.Type, align 16
-  %a204 = alloca %S.ast.Type, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca %S.ast.Type, align 16
+  %a190 = alloca %S.ast.Type, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca %S.gen.Val, align 16
-  %a218 = alloca %S.gen.Val, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca %S.ast.Type, align 16
+  %a224 = alloca %S.ast.Type, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -51384,11 +60871,11 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %t4
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 0, %t6
-  br i1 %t7, label %range5615, label %inrange5616
-range5615:
-  call void @finch_panic_index(ptr @.str.3686, i64 3015, i64 0, i64 %t6)
+  br i1 %t7, label %range5982, label %inrange5983
+range5982:
+  call void @finch_panic_index(ptr @.str.3852, i64 3270, i64 0, i64 %t6)
   unreachable
-inrange5616:
+inrange5983:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds %S.ast.Node, ptr %t8, i64 0
   %t10 = load %S.ast.Node, ptr %t9
@@ -51397,250 +60884,298 @@ inrange5616:
   %t13 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t14 = load { ptr, i64, i64 }, ptr %t13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.3687, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3853, i64 1, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br i1 %t18, label %then5617, label %endif5619
-then5617:
+  br i1 %t18, label %then5984, label %endif5986
+then5984:
   %t19 = load ptr, ptr %a1
   %t20 = load %S.gen.Val, ptr %a12
-  %t21 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3688, i64 4, i64 0 })
+  %t21 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3854, i64 4, i64 0 })
   %t22 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t23 = load { ptr, i64, i64 }, ptr %t22
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 0, %t24
-  br i1 %t25, label %range5620, label %inrange5621
-range5620:
-  call void @finch_panic_index(ptr @.str.3689, i64 3017, i64 0, i64 %t24)
+  br i1 %t25, label %range5987, label %inrange5988
+range5987:
+  call void @finch_panic_index(ptr @.str.3855, i64 3272, i64 0, i64 %t24)
   unreachable
-inrange5621:
+inrange5988:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds %S.ast.Node, ptr %t26, i64 0
   %t28 = load %S.ast.Node, ptr %t27
-  %t29 = call %S.gen.Val @finch.gen.coerce(ptr %t19, %S.gen.Val %t20, %S.ast.Type %t21, %S.ast.Node %t28, { ptr, i64, i64 } { ptr @.str.3690, i64 19, i64 0 })
-  store %S.gen.Val %t29, ptr %a30
-  %t31 = load ptr, ptr %a1
-  %t32 = getelementptr inbounds %S.gen.Val, ptr %a30, i32 0, i32 0
-  %t33 = load { ptr, i64, i64 }, ptr %t32
-  store { ptr, i64, i64 } { ptr @.str.3691, i64 7, i64 0 }, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.3692, i64 6, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = call { ptr, i64, i64 } @finch.gen.op(ptr %t31, { ptr, i64, i64 } %t41)
-  %t43 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t42, 0
-  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3693, i64 4, i64 0 })
-  %t45 = insertvalue %S.gen.Val %t43, %S.ast.Type %t44, 1
-  ret %S.gen.Val %t45
-endif5619:
-  %t46 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t47 = load { ptr, i64, i64 }, ptr %t46
-  store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.3694, i64 1, i64 0 }, ptr %a49
-  %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
-  %t51 = icmp ne i32 %t50, 0
-  br i1 %t51, label %then5622, label %endif5624
-then5622:
-  %t52 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t53 = load %S.ast.Type, ptr %t52
-  %t54 = call i1 @finch.gen.isInt(%S.ast.Type %t53)
-  %t55 = xor i1 %t54, true
-  br i1 %t55, label %then5625, label %endif5627
-then5625:
-  %t56 = load ptr, ptr %a1
-  %t57 = load %S.ast.Node, ptr %a2
-  %t58 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t59 = load %S.ast.Type, ptr %t58
-  %t60 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t59)
-  store { ptr, i64, i64 } { ptr @.str.3695, i64 45, i64 0 }, ptr %a62
-  store { ptr, i64, i64 } %t60, ptr %a63
-  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
-  %t64 = load { ptr, i64, i64 }, ptr %a61
-  call void @finch.gen.fail(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t64)
-  br label %endif5627
-endif5627:
-  %t65 = load ptr, ptr %a1
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t68 = load %S.ast.Type, ptr %t67
-  %t69 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t66, %S.ast.Type %t68)
-  store { ptr, i64, i64 } { ptr @.str.3696, i64 4, i64 0 }, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.3697, i64 1, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  store { ptr, i64, i64 } %t77, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
+  %t29 = call %S.gen.Val @finch.gen.coerce(ptr %t19, %S.gen.Val %t20, %S.ast.Type %t21, %S.ast.Node %t28, { ptr, i64, i64 } { ptr @.str.3856, i64 19, i64 0 })
+  store %S.ast.Type %t21, ptr %a30
+  call void @finch.drop.S_ast_Type(ptr %a30)
+  store %S.gen.Val %t29, ptr %a31
+  %t32 = load ptr, ptr %a1
+  %t33 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.3857, i64 7, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t38, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.3858, i64 6, i64 0 }, ptr %a41
+  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  %t44 = call { ptr, i64, i64 } @finch.gen.op(ptr %t32, { ptr, i64, i64 } %t43)
+  store { ptr, i64, i64 } %t43, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t44, 0
+  %t47 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3859, i64 4, i64 0 })
+  %t48 = insertvalue %S.gen.Val %t46, %S.ast.Type %t47, 1
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t48
+endif5986:
+  %t49 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.3860, i64 1, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %then5989, label %endif5991
+then5989:
+  %t55 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t56 = load %S.ast.Type, ptr %t55
+  %t57 = call i1 @finch.gen.isInt(%S.ast.Type %t56)
+  %t58 = xor i1 %t57, true
+  br i1 %t58, label %then5992, label %endif5994
+then5992:
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Node, ptr %a2
+  %t61 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t62 = load %S.ast.Type, ptr %t61
+  %t63 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t62)
+  store { ptr, i64, i64 } { ptr @.str.3861, i64 45, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t63, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a64
+  call void @finch.gen.fail(ptr %t59, %S.ast.Node %t60, { ptr, i64, i64 } %t68)
+  store { ptr, i64, i64 } %t68, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  br label %endif5994
+endif5994:
+  %t70 = load ptr, ptr %a1
+  %t71 = load ptr, ptr %a1
+  %t72 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t73 = load %S.ast.Type, ptr %t72
+  %t74 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t71, %S.ast.Type %t73)
+  store { ptr, i64, i64 } { ptr @.str.3862, i64 4, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } %t74, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3863, i64 1, i64 0 }, ptr %a82
   call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.3698, i64 4, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = call { ptr, i64, i64 } @finch.gen.op(ptr %t65, { ptr, i64, i64 } %t87)
-  %t89 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t88, 0
-  %t90 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t91 = load %S.ast.Type, ptr %t90
-  store %S.ast.Type %t91, ptr %a92
-  call void @finch.copy.S_ast_Type(ptr %a93, ptr %a92)
-  %t94 = load %S.ast.Type, ptr %a93
-  %t95 = insertvalue %S.gen.Val %t89, %S.ast.Type %t94, 1
-  ret %S.gen.Val %t95
-endif5624:
-  %t96 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t97 = load %S.ast.Type, ptr %t96
-  %t98 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t97)
-  br i1 %t98, label %then5628, label %endif5630
-then5628:
-  %t99 = load ptr, ptr %a1
-  %t100 = load %S.ast.Node, ptr %a2
-  %t101 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t102 = load %S.ast.Type, ptr %t101
-  %t103 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t102)
-  store { ptr, i64, i64 } %t103, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.3699, i64 34, i64 0 }, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  call void @finch.gen.fail(ptr %t99, %S.ast.Node %t100, { ptr, i64, i64 } %t107)
-  br label %endif5630
-endif5630:
-  %t108 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t109 = load %S.ast.Type, ptr %t108
-  %t110 = call i1 @finch.gen.isSigned(%S.ast.Type %t109)
-  br i1 %t110, label %then5631, label %endif5633
-then5631:
-  %t111 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 3
-  %t112 = load i1, ptr %t111
-  br i1 %t112, label %then5634, label %endif5636
-then5634:
-  %t113 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  store { ptr, i64, i64 } %t114, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.3701, i64 1, i64 0 }, ptr %a117
-  %t118 = call i32 @finch_str_starts(ptr %a115, ptr %a117)
-  %t119 = icmp ne i32 %t118, 0
-  br i1 %t119, label %then5637, label %endif5639
-then5637:
-  %t120 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t121 = load { ptr, i64, i64 }, ptr %t120
-  store { ptr, i64, i64 } %t121, ptr %a122
-  %t124 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i32 0, i32 1
-  %t126 = load i64, ptr %t125
-  call void @finch_str_sub(ptr %a123, ptr %a122, i64 1, i64 %t126, ptr @.str.3702, i64 3032)
-  %t127 = load { ptr, i64, i64 }, ptr %a123
-  %t128 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t127, 0
-  %t129 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t130 = load %S.ast.Type, ptr %t129
-  store %S.ast.Type %t130, ptr %a131
-  call void @finch.copy.S_ast_Type(ptr %a132, ptr %a131)
-  %t133 = load %S.ast.Type, ptr %a132
-  %t134 = insertvalue %S.gen.Val %t128, %S.ast.Type %t133, 1
-  %t135 = insertvalue %S.gen.Val %t134, i1 true, 3
-  ret %S.gen.Val %t135
-endif5639:
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  %t85 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  store { ptr, i64, i64 } %t84, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t84, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.3864, i64 4, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  %t97 = call { ptr, i64, i64 } @finch.gen.op(ptr %t70, { ptr, i64, i64 } %t96)
+  store { ptr, i64, i64 } %t96, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  %t99 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t97, 0
+  %t100 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t101 = load %S.ast.Type, ptr %t100
+  store %S.ast.Type %t101, ptr %a102
+  call void @finch.copy.S_ast_Type(ptr %a103, ptr %a102)
+  %t104 = load %S.ast.Type, ptr %a103
+  %t105 = insertvalue %S.gen.Val %t99, %S.ast.Type %t104, 1
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t105
+endif5991:
+  %t106 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t107 = load %S.ast.Type, ptr %t106
+  %t108 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t107)
+  br i1 %t108, label %then5995, label %endif5997
+then5995:
+  %t109 = load ptr, ptr %a1
+  %t110 = load %S.ast.Node, ptr %a2
+  %t111 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t112 = load %S.ast.Type, ptr %t111
+  %t113 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t112)
+  store { ptr, i64, i64 } %t113, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.3865, i64 34, i64 0 }, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t113, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a114
+  call void @finch.gen.fail(ptr %t109, %S.ast.Node %t110, { ptr, i64, i64 } %t118)
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  br label %endif5997
+endif5997:
+  %t120 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t121 = load %S.ast.Type, ptr %t120
+  %t122 = call i1 @finch.gen.isSigned(%S.ast.Type %t121)
+  br i1 %t122, label %then5998, label %endif6000
+then5998:
+  %t123 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 3
+  %t124 = load i1, ptr %t123
+  br i1 %t124, label %then6001, label %endif6003
+then6001:
+  %t125 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t126, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.3867, i64 1, i64 0 }, ptr %a129
+  %t130 = call i32 @finch_str_starts(ptr %a127, ptr %a129)
+  %t131 = icmp ne i32 %t130, 0
+  br i1 %t131, label %then6004, label %endif6006
+then6004:
+  %t132 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
   %t136 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t137 = load { ptr, i64, i64 }, ptr %t136
-  store { ptr, i64, i64 } { ptr @.str.3703, i64 1, i64 0 }, ptr %a139
-  store { ptr, i64, i64 } %t137, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  %t142 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t141, 0
-  %t143 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t144 = load %S.ast.Type, ptr %t143
-  store %S.ast.Type %t144, ptr %a145
-  call void @finch.copy.S_ast_Type(ptr %a146, ptr %a145)
-  %t147 = load %S.ast.Type, ptr %a146
-  %t148 = insertvalue %S.gen.Val %t142, %S.ast.Type %t147, 1
-  %t149 = insertvalue %S.gen.Val %t148, i1 true, 3
-  ret %S.gen.Val %t149
-endif5636:
-  %t150 = load ptr, ptr %a1
-  %t151 = load ptr, ptr %a1
-  %t152 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t153 = load %S.ast.Type, ptr %t152
-  %t154 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t151, %S.ast.Type %t153)
-  store { ptr, i64, i64 } { ptr @.str.3704, i64 4, i64 0 }, ptr %a156
-  store { ptr, i64, i64 } %t154, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t158, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.3705, i64 4, i64 0 }, ptr %a161
-  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  %t163 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t164 = load { ptr, i64, i64 }, ptr %t163
-  store { ptr, i64, i64 } %t162, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
-  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  %t169 = call { ptr, i64, i64 } @finch.gen.op(ptr %t150, { ptr, i64, i64 } %t168)
-  %t170 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t169, 0
-  %t171 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t172 = load %S.ast.Type, ptr %t171
-  store %S.ast.Type %t172, ptr %a173
-  call void @finch.copy.S_ast_Type(ptr %a174, ptr %a173)
-  %t175 = load %S.ast.Type, ptr %a174
-  %t176 = insertvalue %S.gen.Val %t170, %S.ast.Type %t175, 1
-  ret %S.gen.Val %t176
-endif5633:
-  %t177 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t178 = load %S.ast.Type, ptr %t177
-  %t179 = call i1 @finch.gen.isFloat(%S.ast.Type %t178)
-  br i1 %t179, label %then5640, label %endif5642
-then5640:
-  %t180 = load ptr, ptr %a1
-  %t181 = load ptr, ptr %a1
-  %t182 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t183 = load %S.ast.Type, ptr %t182
-  %t184 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t181, %S.ast.Type %t183)
-  store { ptr, i64, i64 } { ptr @.str.3706, i64 5, i64 0 }, ptr %a186
-  store { ptr, i64, i64 } %t184, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  store { ptr, i64, i64 } %t188, ptr %a190
-  store { ptr, i64, i64 } { ptr @.str.3707, i64 1, i64 0 }, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  %t193 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  store { ptr, i64, i64 } %t192, ptr %a196
-  store { ptr, i64, i64 } %t194, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t180, { ptr, i64, i64 } %t198)
-  %t200 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t199, 0
-  %t201 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t202 = load %S.ast.Type, ptr %t201
-  store %S.ast.Type %t202, ptr %a203
-  call void @finch.copy.S_ast_Type(ptr %a204, ptr %a203)
-  %t205 = load %S.ast.Type, ptr %a204
-  %t206 = insertvalue %S.gen.Val %t200, %S.ast.Type %t205, 1
-  ret %S.gen.Val %t206
-endif5642:
-  %t207 = load ptr, ptr %a1
-  %t208 = load %S.ast.Node, ptr %a2
-  %t209 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t210 = load %S.ast.Type, ptr %t209
-  %t211 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t210)
-  store { ptr, i64, i64 } { ptr @.str.3708, i64 26, i64 0 }, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  call void @finch.gen.fail(ptr %t207, %S.ast.Node %t208, { ptr, i64, i64 } %t215)
-  %t216 = load %S.gen.Val, ptr %a12
-  store %S.gen.Val %t216, ptr %a217
-  call void @finch.copy.S_gen_Val(ptr %a218, ptr %a217)
-  %t219 = load %S.gen.Val, ptr %a218
-  ret %S.gen.Val %t219
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t136, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  call void @finch_str_sub(ptr %a135, ptr %a134, i64 1, i64 %t138, ptr @.str.3868, i64 3287)
+  %t139 = load { ptr, i64, i64 }, ptr %a135
+  %t140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
+  %t141 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t142 = load %S.ast.Type, ptr %t141
+  store %S.ast.Type %t142, ptr %a143
+  call void @finch.copy.S_ast_Type(ptr %a144, ptr %a143)
+  %t145 = load %S.ast.Type, ptr %a144
+  %t146 = insertvalue %S.gen.Val %t140, %S.ast.Type %t145, 1
+  %t147 = insertvalue %S.gen.Val %t146, i1 true, 3
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t147
+endif6006:
+  %t148 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t149 = load { ptr, i64, i64 }, ptr %t148
+  store { ptr, i64, i64 } { ptr @.str.3869, i64 1, i64 0 }, ptr %a151
+  store { ptr, i64, i64 } %t149, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  %t153 = load { ptr, i64, i64 }, ptr %a150
+  %t154 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t153, 0
+  %t155 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t156 = load %S.ast.Type, ptr %t155
+  store %S.ast.Type %t156, ptr %a157
+  call void @finch.copy.S_ast_Type(ptr %a158, ptr %a157)
+  %t159 = load %S.ast.Type, ptr %a158
+  %t160 = insertvalue %S.gen.Val %t154, %S.ast.Type %t159, 1
+  %t161 = insertvalue %S.gen.Val %t160, i1 true, 3
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t161
+endif6003:
+  %t162 = load ptr, ptr %a1
+  %t163 = load ptr, ptr %a1
+  %t164 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t165 = load %S.ast.Type, ptr %t164
+  %t166 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t163, %S.ast.Type %t165)
+  store { ptr, i64, i64 } { ptr @.str.3870, i64 4, i64 0 }, ptr %a168
+  store { ptr, i64, i64 } %t166, ptr %a169
+  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
+  store { ptr, i64, i64 } %t166, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  %t171 = load { ptr, i64, i64 }, ptr %a167
+  store { ptr, i64, i64 } %t171, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.3871, i64 4, i64 0 }, ptr %a174
+  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
+  store { ptr, i64, i64 } %t171, ptr %a175
+  call void @finch_str_drop(ptr %a175)
+  %t176 = load { ptr, i64, i64 }, ptr %a172
+  %t177 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t178 = load { ptr, i64, i64 }, ptr %t177
+  store { ptr, i64, i64 } %t176, ptr %a180
+  store { ptr, i64, i64 } %t178, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t176, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t162, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t184, 0
+  %t187 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t188 = load %S.ast.Type, ptr %t187
+  store %S.ast.Type %t188, ptr %a189
+  call void @finch.copy.S_ast_Type(ptr %a190, ptr %a189)
+  %t191 = load %S.ast.Type, ptr %a190
+  %t192 = insertvalue %S.gen.Val %t186, %S.ast.Type %t191, 1
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t192
+endif6000:
+  %t193 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t194 = load %S.ast.Type, ptr %t193
+  %t195 = call i1 @finch.gen.isFloat(%S.ast.Type %t194)
+  br i1 %t195, label %then6007, label %endif6009
+then6007:
+  %t196 = load ptr, ptr %a1
+  %t197 = load ptr, ptr %a1
+  %t198 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t199 = load %S.ast.Type, ptr %t198
+  %t200 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t197, %S.ast.Type %t199)
+  store { ptr, i64, i64 } { ptr @.str.3872, i64 5, i64 0 }, ptr %a202
+  store { ptr, i64, i64 } %t200, ptr %a203
+  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
+  store { ptr, i64, i64 } %t200, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a201
+  store { ptr, i64, i64 } %t205, ptr %a207
+  store { ptr, i64, i64 } { ptr @.str.3873, i64 1, i64 0 }, ptr %a208
+  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
+  store { ptr, i64, i64 } %t205, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load { ptr, i64, i64 }, ptr %a206
+  %t211 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t212 = load { ptr, i64, i64 }, ptr %t211
+  store { ptr, i64, i64 } %t210, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t210, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  %t218 = call { ptr, i64, i64 } @finch.gen.op(ptr %t196, { ptr, i64, i64 } %t217)
+  store { ptr, i64, i64 } %t217, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t218, 0
+  %t221 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t222 = load %S.ast.Type, ptr %t221
+  store %S.ast.Type %t222, ptr %a223
+  call void @finch.copy.S_ast_Type(ptr %a224, ptr %a223)
+  %t225 = load %S.ast.Type, ptr %a224
+  %t226 = insertvalue %S.gen.Val %t220, %S.ast.Type %t225, 1
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t226
+endif6009:
+  %t227 = load ptr, ptr %a1
+  %t228 = load %S.ast.Node, ptr %a2
+  %t229 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t230 = load %S.ast.Type, ptr %t229
+  %t231 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t230)
+  store { ptr, i64, i64 } { ptr @.str.3874, i64 26, i64 0 }, ptr %a233
+  store { ptr, i64, i64 } %t231, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t231, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a232
+  call void @finch.gen.fail(ptr %t227, %S.ast.Node %t228, { ptr, i64, i64 } %t236)
+  store { ptr, i64, i64 } %t236, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load %S.gen.Val, ptr %a12
+  ret %S.gen.Val %t238
 }
 
 define internal void @finch.gen.badOperands(ptr %p0, { ptr, i64, i64 } %p1, %S.gen.Val %p2, %S.gen.Val %p3, %S.ast.Node %p4) {
@@ -51656,355 +61191,395 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.gen.Val %p2, ptr %a3
   store %S.gen.Val %p3, ptr %a4
   store %S.ast.Node %p4, ptr %a5
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.3709, i64 11, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.3875, i64 11, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.3710, i64 5, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.3876, i64 5, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t16 = load %S.ast.Type, ptr %t15
-  %t17 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t16)
-  store { ptr, i64, i64 } %t14, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a22
-  %t23 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t24 = load %S.ast.Type, ptr %t23
-  %t25 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
-  %t26 = load %S.ast.Type, ptr %t25
-  %t27 = call i1 @finch.ast.same(%S.ast.Type %t24, %S.ast.Type %t26)
-  %t28 = xor i1 %t27, true
-  br i1 %t28, label %then5643, label %endif5645
-then5643:
-  %t29 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t29, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.3711, i64 5, i64 0 }, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  %t34 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
-  %t35 = load %S.ast.Type, ptr %t34
-  %t36 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t35)
-  store { ptr, i64, i64 } %t33, ptr %a38
-  store { ptr, i64, i64 } %t36, ptr %a39
-  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } %t40, ptr %a22
-  br label %endif5645
-endif5645:
-  %t41 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.3712, i64 1, i64 0 }, ptr %a43
-  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
-  %t45 = icmp ne i32 %t44, 0
-  br label %logic.from5646
-logic.from5646:
-  br i1 %t45, label %logic.rhs5647, label %logic.end5648
-logic.rhs5647:
-  %t46 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t47 = getelementptr inbounds %S.ast.Type, ptr %t46, i32 0, i32 0
-  %t48 = load { ptr, i64, i64 }, ptr %t47
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t17 = load %S.ast.Type, ptr %t16
+  %t18 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t17)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  store { ptr, i64, i64 } %t18, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t15, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t24, ptr %a25
+  %t26 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t27 = load %S.ast.Type, ptr %t26
+  %t28 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  %t29 = load %S.ast.Type, ptr %t28
+  %t30 = call i1 @finch.ast.same(%S.ast.Type %t27, %S.ast.Type %t29)
+  %t31 = xor i1 %t30, true
+  br i1 %t31, label %then6010, label %endif6012
+then6010:
+  %t32 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.3877, i64 5, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a33
+  %t37 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  %t38 = load %S.ast.Type, ptr %t37
+  %t39 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t38)
+  store { ptr, i64, i64 } %t36, ptr %a41
+  store { ptr, i64, i64 } %t39, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t36, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  store { ptr, i64, i64 } %t39, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a40
+  %t46 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t45, ptr %a25
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %endif6012
+endif6012:
+  %t48 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.3713, i64 3, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.3878, i64 1, i64 0 }, ptr %a50
   %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
   %t52 = icmp ne i32 %t51, 0
-  br label %logic.from5649
-logic.from5649:
-  br i1 %t52, label %logic.end5651, label %logic.rhs5650
-logic.rhs5650:
-  %t53 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  br label %logic.from6013
+logic.from6013:
+  br i1 %t52, label %logic.rhs6014, label %logic.end6015
+logic.rhs6014:
+  %t53 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
   %t54 = getelementptr inbounds %S.ast.Type, ptr %t53, i32 0, i32 0
   %t55 = load { ptr, i64, i64 }, ptr %t54
   store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.3714, i64 3, i64 0 }, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.3879, i64 3, i64 0 }, ptr %a57
   %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
   %t59 = icmp ne i32 %t58, 0
-  br label %logic.rend5652
-logic.rend5652:
-  br label %logic.end5651
-logic.end5651:
-  %t60 = phi i1 [ true, %logic.from5649 ], [ %t59, %logic.rend5652 ]
-  br label %logic.rend5653
-logic.rend5653:
-  br label %logic.end5648
-logic.end5648:
-  %t61 = phi i1 [ false, %logic.from5646 ], [ %t60, %logic.rend5653 ]
-  br i1 %t61, label %then5654, label %endif5656
-then5654:
-  %t62 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t62, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.3715, i64 48, i64 0 }, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a22
-  br label %endif5656
-endif5656:
-  %t67 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.3716, i64 1, i64 0 }, ptr %a69
-  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
-  %t71 = icmp ne i32 %t70, 0
-  br label %logic.from5657
-logic.from5657:
-  br i1 %t71, label %logic.end5659, label %logic.rhs5658
-logic.rhs5658:
-  %t72 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t72, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.3717, i64 1, i64 0 }, ptr %a74
-  %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
-  %t76 = icmp ne i32 %t75, 0
-  br label %logic.rend5660
-logic.rend5660:
-  br label %logic.end5659
-logic.end5659:
-  %t77 = phi i1 [ true, %logic.from5657 ], [ %t76, %logic.rend5660 ]
-  br label %logic.from5661
-logic.from5661:
-  br i1 %t77, label %logic.rhs5662, label %logic.end5663
-logic.rhs5662:
-  %t78 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i32 0, i32 0
-  %t80 = load { ptr, i64, i64 }, ptr %t79
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.3718, i64 4, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp ne i32 %t83, 0
-  br label %logic.rend5664
-logic.rend5664:
-  br label %logic.end5663
-logic.end5663:
-  %t85 = phi i1 [ false, %logic.from5661 ], [ %t84, %logic.rend5664 ]
-  br i1 %t85, label %then5665, label %else5666
-then5665:
-  %t86 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t86, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.3719, i64 1, i64 0 }, ptr %a88
-  %t89 = call i32 @finch_str_eq(ptr %a87, ptr %a88)
-  %t90 = icmp ne i32 %t89, 0
-  br i1 %t90, label %then5668, label %else5669
-then5668:
-  %t91 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t91, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.3720, i64 26, i64 0 }, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a22
-  br label %endif5670
-else5669:
-  %t96 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.3721, i64 26, i64 0 }, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a22
-  br label %endif5670
-endif5670:
-  br label %endif5667
-else5666:
-  %t101 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.3722, i64 1, i64 0 }, ptr %a103
-  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
-  %t105 = icmp ne i32 %t104, 0
-  br label %logic.from5671
-logic.from5671:
-  br i1 %t105, label %logic.end5673, label %logic.rhs5672
-logic.rhs5672:
-  %t106 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.3723, i64 1, i64 0 }, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend5674
-logic.rend5674:
-  br label %logic.end5673
-logic.end5673:
-  %t111 = phi i1 [ true, %logic.from5671 ], [ %t110, %logic.rend5674 ]
-  br label %logic.from5675
-logic.from5675:
-  br i1 %t111, label %logic.end5677, label %logic.rhs5676
-logic.rhs5676:
-  %t112 = load { ptr, i64, i64 }, ptr %a2
+  br label %logic.from6016
+logic.from6016:
+  br i1 %t59, label %logic.end6018, label %logic.rhs6017
+logic.rhs6017:
+  %t60 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i32 0, i32 0
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.3880, i64 3, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp ne i32 %t65, 0
+  br label %logic.rend6019
+logic.rend6019:
+  br label %logic.end6018
+logic.end6018:
+  %t67 = phi i1 [ true, %logic.from6016 ], [ %t66, %logic.rend6019 ]
+  br label %logic.rend6020
+logic.rend6020:
+  br label %logic.end6015
+logic.end6015:
+  %t68 = phi i1 [ false, %logic.from6013 ], [ %t67, %logic.rend6020 ]
+  br i1 %t68, label %then6021, label %endif6023
+then6021:
+  %t69 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.3881, i64 48, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a70
+  %t74 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t73, ptr %a25
+  store { ptr, i64, i64 } %t74, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  br label %endif6023
+endif6023:
+  %t76 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t76, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.3882, i64 1, i64 0 }, ptr %a78
+  %t79 = call i32 @finch_str_eq(ptr %a77, ptr %a78)
+  %t80 = icmp ne i32 %t79, 0
+  br label %logic.from6024
+logic.from6024:
+  br i1 %t80, label %logic.end6026, label %logic.rhs6025
+logic.rhs6025:
+  %t81 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.3883, i64 1, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br label %logic.rend6027
+logic.rend6027:
+  br label %logic.end6026
+logic.end6026:
+  %t86 = phi i1 [ true, %logic.from6024 ], [ %t85, %logic.rend6027 ]
+  br label %logic.from6028
+logic.from6028:
+  br i1 %t86, label %logic.rhs6029, label %logic.end6030
+logic.rhs6029:
+  %t87 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i32 0, i32 0
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.3884, i64 4, i64 0 }, ptr %a91
+  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
+  %t93 = icmp ne i32 %t92, 0
+  br label %logic.rend6031
+logic.rend6031:
+  br label %logic.end6030
+logic.end6030:
+  %t94 = phi i1 [ false, %logic.from6028 ], [ %t93, %logic.rend6031 ]
+  br i1 %t94, label %then6032, label %else6033
+then6032:
+  %t95 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.3885, i64 1, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br i1 %t99, label %then6035, label %else6036
+then6035:
+  %t100 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.3886, i64 26, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a101
+  %t105 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t104, ptr %a25
+  store { ptr, i64, i64 } %t105, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  br label %endif6037
+else6036:
+  %t107 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t107, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.3887, i64 26, i64 0 }, ptr %a110
+  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a108
+  %t112 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t111, ptr %a25
   store { ptr, i64, i64 } %t112, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.3724, i64 1, i64 0 }, ptr %a114
-  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
-  %t116 = icmp ne i32 %t115, 0
-  br label %logic.rend5678
-logic.rend5678:
-  br label %logic.end5677
-logic.end5677:
-  %t117 = phi i1 [ true, %logic.from5675 ], [ %t116, %logic.rend5678 ]
-  br label %logic.from5679
-logic.from5679:
-  br i1 %t117, label %logic.end5681, label %logic.rhs5680
-logic.rhs5680:
-  %t118 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t118, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.3725, i64 2, i64 0 }, ptr %a120
-  %t121 = call i32 @finch_str_eq(ptr %a119, ptr %a120)
-  %t122 = icmp ne i32 %t121, 0
-  br label %logic.rend5682
-logic.rend5682:
-  br label %logic.end5681
-logic.end5681:
-  %t123 = phi i1 [ true, %logic.from5679 ], [ %t122, %logic.rend5682 ]
-  br label %logic.from5683
-logic.from5683:
-  br i1 %t123, label %logic.end5685, label %logic.rhs5684
-logic.rhs5684:
-  %t124 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.3726, i64 2, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br label %logic.rend5686
-logic.rend5686:
-  br label %logic.end5685
-logic.end5685:
-  %t129 = phi i1 [ true, %logic.from5683 ], [ %t128, %logic.rend5686 ]
-  br i1 %t129, label %then5687, label %endif5689
-then5687:
-  %t130 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t130, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.3727, i64 43, i64 0 }, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } %t134, ptr %a22
-  br label %endif5689
-endif5689:
-  br label %endif5667
-endif5667:
-  %t135 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t136 = getelementptr inbounds %S.ast.Type, ptr %t135, i32 0, i32 0
-  %t137 = load { ptr, i64, i64 }, ptr %t136
+  call void @finch_str_drop(ptr %a113)
+  br label %endif6037
+endif6037:
+  br label %endif6034
+else6033:
+  %t114 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.3888, i64 1, i64 0 }, ptr %a116
+  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
+  %t118 = icmp ne i32 %t117, 0
+  br label %logic.from6038
+logic.from6038:
+  br i1 %t118, label %logic.end6040, label %logic.rhs6039
+logic.rhs6039:
+  %t119 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t119, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.3889, i64 1, i64 0 }, ptr %a121
+  %t122 = call i32 @finch_str_eq(ptr %a120, ptr %a121)
+  %t123 = icmp ne i32 %t122, 0
+  br label %logic.rend6041
+logic.rend6041:
+  br label %logic.end6040
+logic.end6040:
+  %t124 = phi i1 [ true, %logic.from6038 ], [ %t123, %logic.rend6041 ]
+  br label %logic.from6042
+logic.from6042:
+  br i1 %t124, label %logic.end6044, label %logic.rhs6043
+logic.rhs6043:
+  %t125 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t125, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.3890, i64 1, i64 0 }, ptr %a127
+  %t128 = call i32 @finch_str_eq(ptr %a126, ptr %a127)
+  %t129 = icmp ne i32 %t128, 0
+  br label %logic.rend6045
+logic.rend6045:
+  br label %logic.end6044
+logic.end6044:
+  %t130 = phi i1 [ true, %logic.from6042 ], [ %t129, %logic.rend6045 ]
+  br label %logic.from6046
+logic.from6046:
+  br i1 %t130, label %logic.end6048, label %logic.rhs6047
+logic.rhs6047:
+  %t131 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t131, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.3891, i64 2, i64 0 }, ptr %a133
+  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
+  %t135 = icmp ne i32 %t134, 0
+  br label %logic.rend6049
+logic.rend6049:
+  br label %logic.end6048
+logic.end6048:
+  %t136 = phi i1 [ true, %logic.from6046 ], [ %t135, %logic.rend6049 ]
+  br label %logic.from6050
+logic.from6050:
+  br i1 %t136, label %logic.end6052, label %logic.rhs6051
+logic.rhs6051:
+  %t137 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t137, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.3728, i64 6, i64 0 }, ptr %a139
+  store { ptr, i64, i64 } { ptr @.str.3892, i64 2, i64 0 }, ptr %a139
   %t140 = call i32 @finch_str_eq(ptr %a138, ptr %a139)
   %t141 = icmp ne i32 %t140, 0
-  br label %logic.from5690
-logic.from5690:
-  br i1 %t141, label %logic.end5692, label %logic.rhs5691
-logic.rhs5691:
-  %t142 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t143 = getelementptr inbounds %S.ast.Type, ptr %t142, i32 0, i32 0
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.3729, i64 5, i64 0 }, ptr %a146
-  %t147 = call i32 @finch_str_eq(ptr %a145, ptr %a146)
-  %t148 = icmp ne i32 %t147, 0
-  br label %logic.rend5693
-logic.rend5693:
-  br label %logic.end5692
-logic.end5692:
-  %t149 = phi i1 [ true, %logic.from5690 ], [ %t148, %logic.rend5693 ]
-  br label %logic.from5694
-logic.from5694:
-  br i1 %t149, label %logic.rhs5695, label %logic.end5696
-logic.rhs5695:
-  %t150 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t150, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.3730, i64 2, i64 0 }, ptr %a152
-  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
-  %t154 = icmp ne i32 %t153, 0
-  br label %logic.from5697
-logic.from5697:
-  br i1 %t154, label %logic.end5699, label %logic.rhs5698
-logic.rhs5698:
-  %t155 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.3731, i64 2, i64 0 }, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br label %logic.rend5700
-logic.rend5700:
-  br label %logic.end5699
-logic.end5699:
-  %t160 = phi i1 [ true, %logic.from5697 ], [ %t159, %logic.rend5700 ]
-  br label %logic.rend5701
-logic.rend5701:
-  br label %logic.end5696
-logic.end5696:
-  %t161 = phi i1 [ false, %logic.from5694 ], [ %t160, %logic.rend5701 ]
-  br i1 %t161, label %then5702, label %endif5704
-then5702:
-  %t162 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t162, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.3732, i64 31, i64 0 }, ptr %a165
-  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t166, ptr %a22
-  br label %endif5704
-endif5704:
-  %t167 = load ptr, ptr %a1
-  %t168 = load %S.ast.Node, ptr %a5
-  %t169 = load { ptr, i64, i64 }, ptr %a22
-  call void @finch.gen.fail(ptr %t167, %S.ast.Node %t168, { ptr, i64, i64 } %t169)
+  br label %logic.rend6053
+logic.rend6053:
+  br label %logic.end6052
+logic.end6052:
+  %t142 = phi i1 [ true, %logic.from6050 ], [ %t141, %logic.rend6053 ]
+  br i1 %t142, label %then6054, label %endif6056
+then6054:
+  %t143 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t143, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.3893, i64 43, i64 0 }, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a144
+  %t148 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t147, ptr %a25
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  br label %endif6056
+endif6056:
+  br label %endif6034
+endif6034:
+  %t150 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t151 = getelementptr inbounds %S.ast.Type, ptr %t150, i32 0, i32 0
+  %t152 = load { ptr, i64, i64 }, ptr %t151
+  store { ptr, i64, i64 } %t152, ptr %a153
+  store { ptr, i64, i64 } { ptr @.str.3894, i64 6, i64 0 }, ptr %a154
+  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
+  %t156 = icmp ne i32 %t155, 0
+  br label %logic.from6057
+logic.from6057:
+  br i1 %t156, label %logic.end6059, label %logic.rhs6058
+logic.rhs6058:
+  %t157 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t158 = getelementptr inbounds %S.ast.Type, ptr %t157, i32 0, i32 0
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t159, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.3895, i64 5, i64 0 }, ptr %a161
+  %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
+  %t163 = icmp ne i32 %t162, 0
+  br label %logic.rend6060
+logic.rend6060:
+  br label %logic.end6059
+logic.end6059:
+  %t164 = phi i1 [ true, %logic.from6057 ], [ %t163, %logic.rend6060 ]
+  br label %logic.from6061
+logic.from6061:
+  br i1 %t164, label %logic.rhs6062, label %logic.end6063
+logic.rhs6062:
+  %t165 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t165, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.3896, i64 2, i64 0 }, ptr %a167
+  %t168 = call i32 @finch_str_eq(ptr %a166, ptr %a167)
+  %t169 = icmp ne i32 %t168, 0
+  br label %logic.from6064
+logic.from6064:
+  br i1 %t169, label %logic.end6066, label %logic.rhs6065
+logic.rhs6065:
+  %t170 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t170, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.3897, i64 2, i64 0 }, ptr %a172
+  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
+  %t174 = icmp ne i32 %t173, 0
+  br label %logic.rend6067
+logic.rend6067:
+  br label %logic.end6066
+logic.end6066:
+  %t175 = phi i1 [ true, %logic.from6064 ], [ %t174, %logic.rend6067 ]
+  br label %logic.rend6068
+logic.rend6068:
+  br label %logic.end6063
+logic.end6063:
+  %t176 = phi i1 [ false, %logic.from6061 ], [ %t175, %logic.rend6068 ]
+  br i1 %t176, label %then6069, label %endif6071
+then6069:
+  %t177 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t177, ptr %a179
+  store { ptr, i64, i64 } { ptr @.str.3898, i64 31, i64 0 }, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a178
+  %t182 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t181, ptr %a25
+  store { ptr, i64, i64 } %t182, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  br label %endif6071
+endif6071:
+  %t184 = load ptr, ptr %a1
+  %t185 = load %S.ast.Node, ptr %a5
+  %t186 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.fail(ptr %t184, %S.ast.Node %t185, { ptr, i64, i64 } %t186)
+  call void @finch_str_drop(ptr %a25)
   ret void
 }
 
@@ -52017,149 +61592,161 @@ entry:
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca %S.ast.Type, align 16
   %a61 = alloca %S.ast.Type, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca %S.ast.Type, align 16
-  %a104 = alloca %S.ast.Type, align 16
-  %a138 = alloca %S.ast.Type, align 16
-  %a139 = alloca %S.ast.Type, align 16
-  %a172 = alloca %S.ast.Type, align 16
-  %a173 = alloca %S.ast.Type, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca %S.gen.Val, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca %S.ast.Type, align 16
+  %a106 = alloca %S.ast.Type, align 16
+  %a113 = alloca %S.gen.Val, align 16
+  %a142 = alloca %S.ast.Type, align 16
+  %a143 = alloca %S.ast.Type, align 16
+  %a149 = alloca %S.gen.Val, align 16
+  %a178 = alloca %S.ast.Type, align 16
+  %a179 = alloca %S.ast.Type, align 16
+  %a185 = alloca %S.gen.Val, align 16
+  %a207 = alloca %S.ast.Node, align 16
+  %a211 = alloca %S.gen.Val, align 16
+  %a233 = alloca %S.ast.Node, align 16
+  %a237 = alloca %S.gen.Val, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca %S.ast.Type, align 16
+  %a276 = alloca %S.gen.Val, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca %S.ast.Type, align 16
+  %a304 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store ptr %p1, ptr %a2
   store ptr %p2, ptr %a3
   %t4 = load ptr, ptr %a2
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic5705, label %ok5706
-panic5705:
-  call void @finch_panic(ptr @.str.3733, i64 3069, ptr @.str.3734)
+  br i1 %t5, label %panic6072, label %ok6073
+panic6072:
+  call void @finch_panic(ptr @.str.3899, i64 3324, ptr @.str.3900)
   unreachable
-ok5706:
+ok6073:
   %t6 = getelementptr inbounds %S.gen.Val, ptr %t4, i32 0, i32 1
   %t7 = load %S.ast.Type, ptr %t6
   %t8 = load ptr, ptr %a3
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic5707, label %ok5708
-panic5707:
-  call void @finch_panic(ptr @.str.3735, i64 3069, ptr @.str.3736)
+  br i1 %t9, label %panic6074, label %ok6075
+panic6074:
+  call void @finch_panic(ptr @.str.3901, i64 3324, ptr @.str.3902)
   unreachable
-ok5708:
+ok6075:
   %t10 = getelementptr inbounds %S.gen.Val, ptr %t8, i32 0, i32 1
   %t11 = load %S.ast.Type, ptr %t10
   %t12 = call i1 @finch.ast.same(%S.ast.Type %t7, %S.ast.Type %t11)
-  br i1 %t12, label %then5709, label %endif5711
-then5709:
+  br i1 %t12, label %then6076, label %endif6078
+then6076:
   ret i1 true
-endif5711:
+endif6078:
   %t13 = load ptr, ptr %a2
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic5712, label %ok5713
-panic5712:
-  call void @finch_panic(ptr @.str.3737, i64 3072, ptr @.str.3738)
+  br i1 %t14, label %panic6079, label %ok6080
+panic6079:
+  call void @finch_panic(ptr @.str.3903, i64 3327, ptr @.str.3904)
   unreachable
-ok5713:
+ok6080:
   %t15 = getelementptr inbounds %S.gen.Val, ptr %t13, i32 0, i32 1
   %t16 = load %S.ast.Type, ptr %t15
   %t17 = call i1 @finch.gen.isInt(%S.ast.Type %t16)
-  br label %logic.from5714
-logic.from5714:
-  br i1 %t17, label %logic.rhs5715, label %logic.end5716
-logic.rhs5715:
+  br label %logic.from6081
+logic.from6081:
+  br i1 %t17, label %logic.rhs6082, label %logic.end6083
+logic.rhs6082:
   %t18 = load ptr, ptr %a3
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic5717, label %ok5718
-panic5717:
-  call void @finch_panic(ptr @.str.3739, i64 3072, ptr @.str.3740)
+  br i1 %t19, label %panic6084, label %ok6085
+panic6084:
+  call void @finch_panic(ptr @.str.3905, i64 3327, ptr @.str.3906)
   unreachable
-ok5718:
+ok6085:
   %t20 = getelementptr inbounds %S.gen.Val, ptr %t18, i32 0, i32 1
   %t21 = load %S.ast.Type, ptr %t20
   %t22 = call i1 @finch.gen.isInt(%S.ast.Type %t21)
-  br label %logic.rend5719
-logic.rend5719:
-  br label %logic.end5716
-logic.end5716:
-  %t23 = phi i1 [ false, %logic.from5714 ], [ %t22, %logic.rend5719 ]
-  br i1 %t23, label %then5720, label %endif5722
-then5720:
+  br label %logic.rend6086
+logic.rend6086:
+  br label %logic.end6083
+logic.end6083:
+  %t23 = phi i1 [ false, %logic.from6081 ], [ %t22, %logic.rend6086 ]
+  br i1 %t23, label %then6087, label %endif6089
+then6087:
   %t24 = load ptr, ptr %a2
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic5723, label %ok5724
-panic5723:
-  call void @finch_panic(ptr @.str.3741, i64 3075, ptr @.str.3742)
+  br i1 %t25, label %panic6090, label %ok6091
+panic6090:
+  call void @finch_panic(ptr @.str.3907, i64 3330, ptr @.str.3908)
   unreachable
-ok5724:
+ok6091:
   %t26 = getelementptr inbounds %S.gen.Val, ptr %t24, i32 0, i32 3
   %t27 = load i1, ptr %t26
-  br label %logic.from5725
-logic.from5725:
-  br i1 %t27, label %logic.rhs5726, label %logic.end5727
-logic.rhs5726:
+  br label %logic.from6092
+logic.from6092:
+  br i1 %t27, label %logic.rhs6093, label %logic.end6094
+logic.rhs6093:
   %t28 = load ptr, ptr %a3
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic5728, label %ok5729
-panic5728:
-  call void @finch_panic(ptr @.str.3743, i64 3075, ptr @.str.3744)
+  br i1 %t29, label %panic6095, label %ok6096
+panic6095:
+  call void @finch_panic(ptr @.str.3909, i64 3330, ptr @.str.3910)
   unreachable
-ok5729:
+ok6096:
   %t30 = getelementptr inbounds %S.gen.Val, ptr %t28, i32 0, i32 3
   %t31 = load i1, ptr %t30
   %t32 = xor i1 %t31, true
-  br label %logic.rend5730
-logic.rend5730:
-  br label %logic.end5727
-logic.end5727:
-  %t33 = phi i1 [ false, %logic.from5725 ], [ %t32, %logic.rend5730 ]
-  br label %logic.from5731
-logic.from5731:
-  br i1 %t33, label %logic.rhs5732, label %logic.end5733
-logic.rhs5732:
+  br label %logic.rend6097
+logic.rend6097:
+  br label %logic.end6094
+logic.end6094:
+  %t33 = phi i1 [ false, %logic.from6092 ], [ %t32, %logic.rend6097 ]
+  br label %logic.from6098
+logic.from6098:
+  br i1 %t33, label %logic.rhs6099, label %logic.end6100
+logic.rhs6099:
   %t34 = load ptr, ptr %a2
   %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic5734, label %ok5735
-panic5734:
-  call void @finch_panic(ptr @.str.3745, i64 3075, ptr @.str.3746)
+  br i1 %t35, label %panic6101, label %ok6102
+panic6101:
+  call void @finch_panic(ptr @.str.3911, i64 3330, ptr @.str.3912)
   unreachable
-ok5735:
+ok6102:
   %t36 = getelementptr inbounds %S.gen.Val, ptr %t34, i32 0, i32 0
   %t37 = load { ptr, i64, i64 }, ptr %t36
   %t38 = load ptr, ptr %a2
   %t39 = icmp eq ptr %t38, null
-  br i1 %t39, label %panic5736, label %ok5737
-panic5736:
-  call void @finch_panic(ptr @.str.3747, i64 3075, ptr @.str.3748)
+  br i1 %t39, label %panic6103, label %ok6104
+panic6103:
+  call void @finch_panic(ptr @.str.3913, i64 3330, ptr @.str.3914)
   unreachable
-ok5737:
+ok6104:
   %t40 = getelementptr inbounds %S.gen.Val, ptr %t38, i32 0, i32 1
   %t41 = load %S.ast.Type, ptr %t40
   %t42 = load ptr, ptr %a3
   %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic5738, label %ok5739
-panic5738:
-  call void @finch_panic(ptr @.str.3749, i64 3075, ptr @.str.3750)
+  br i1 %t43, label %panic6105, label %ok6106
+panic6105:
+  call void @finch_panic(ptr @.str.3915, i64 3330, ptr @.str.3916)
   unreachable
-ok5739:
+ok6106:
   %t44 = getelementptr inbounds %S.gen.Val, ptr %t42, i32 0, i32 1
   %t45 = load %S.ast.Type, ptr %t44
   %t46 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t37, %S.ast.Type %t41, %S.ast.Type %t45)
-  br label %logic.rend5740
-logic.rend5740:
-  br label %logic.end5733
-logic.end5733:
-  %t47 = phi i1 [ false, %logic.from5731 ], [ %t46, %logic.rend5740 ]
-  br i1 %t47, label %then5741, label %endif5743
-then5741:
+  br label %logic.rend6107
+logic.rend6107:
+  br label %logic.end6100
+logic.end6100:
+  %t47 = phi i1 [ false, %logic.from6098 ], [ %t46, %logic.rend6107 ]
+  br i1 %t47, label %then6108, label %endif6110
+then6108:
   %t48 = load ptr, ptr %a2
   %t49 = icmp eq ptr %t48, null
-  br i1 %t49, label %panic5744, label %ok5745
-panic5744:
-  call void @finch_panic(ptr @.str.3751, i64 3076, ptr @.str.3752)
+  br i1 %t49, label %panic6111, label %ok6112
+panic6111:
+  call void @finch_panic(ptr @.str.3917, i64 3331, ptr @.str.3918)
   unreachable
-ok5745:
+ok6112:
   %t50 = getelementptr inbounds %S.gen.Val, ptr %t48, i32 0, i32 0
   %t51 = load { ptr, i64, i64 }, ptr %t50
   store { ptr, i64, i64 } %t51, ptr %a52
@@ -52168,11 +61755,11 @@ ok5745:
   %t55 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t54, 0
   %t56 = load ptr, ptr %a3
   %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic5746, label %ok5747
-panic5746:
-  call void @finch_panic(ptr @.str.3753, i64 3076, ptr @.str.3754)
+  br i1 %t57, label %panic6113, label %ok6114
+panic6113:
+  call void @finch_panic(ptr @.str.3919, i64 3331, ptr @.str.3920)
   unreachable
-ok5747:
+ok6114:
   %t58 = getelementptr inbounds %S.gen.Val, ptr %t56, i32 0, i32 1
   %t59 = load %S.ast.Type, ptr %t58
   store %S.ast.Type %t59, ptr %a60
@@ -52182,523 +61769,555 @@ ok5747:
   %t64 = insertvalue %S.gen.Val %t63, i1 true, 3
   %t65 = load ptr, ptr %a2
   %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic5748, label %ok5749
-panic5748:
-  call void @finch_panic(ptr @.str.3755, i64 3076, ptr @.str.3756)
+  br i1 %t66, label %panic6115, label %ok6116
+panic6115:
+  call void @finch_panic(ptr @.str.3921, i64 3331, ptr @.str.3922)
   unreachable
-ok5749:
+ok6116:
+  %t67 = load %S.gen.Val, ptr %t65
   store %S.gen.Val %t64, ptr %t65
+  store %S.gen.Val %t67, ptr %a68
+  call void @finch.drop.S_gen_Val(ptr %a68)
   ret i1 true
-endif5743:
-  %t67 = load ptr, ptr %a3
-  %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic5750, label %ok5751
-panic5750:
-  call void @finch_panic(ptr @.str.3757, i64 3079, ptr @.str.3758)
+endif6110:
+  %t69 = load ptr, ptr %a3
+  %t70 = icmp eq ptr %t69, null
+  br i1 %t70, label %panic6117, label %ok6118
+panic6117:
+  call void @finch_panic(ptr @.str.3923, i64 3334, ptr @.str.3924)
   unreachable
-ok5751:
-  %t69 = getelementptr inbounds %S.gen.Val, ptr %t67, i32 0, i32 3
-  %t70 = load i1, ptr %t69
-  br label %logic.from5752
-logic.from5752:
-  br i1 %t70, label %logic.rhs5753, label %logic.end5754
-logic.rhs5753:
-  %t71 = load ptr, ptr %a2
-  %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic5755, label %ok5756
-panic5755:
-  call void @finch_panic(ptr @.str.3759, i64 3079, ptr @.str.3760)
+ok6118:
+  %t71 = getelementptr inbounds %S.gen.Val, ptr %t69, i32 0, i32 3
+  %t72 = load i1, ptr %t71
+  br label %logic.from6119
+logic.from6119:
+  br i1 %t72, label %logic.rhs6120, label %logic.end6121
+logic.rhs6120:
+  %t73 = load ptr, ptr %a2
+  %t74 = icmp eq ptr %t73, null
+  br i1 %t74, label %panic6122, label %ok6123
+panic6122:
+  call void @finch_panic(ptr @.str.3925, i64 3334, ptr @.str.3926)
   unreachable
-ok5756:
-  %t73 = getelementptr inbounds %S.gen.Val, ptr %t71, i32 0, i32 3
-  %t74 = load i1, ptr %t73
-  %t75 = xor i1 %t74, true
-  br label %logic.rend5757
-logic.rend5757:
-  br label %logic.end5754
-logic.end5754:
-  %t76 = phi i1 [ false, %logic.from5752 ], [ %t75, %logic.rend5757 ]
-  br label %logic.from5758
-logic.from5758:
-  br i1 %t76, label %logic.rhs5759, label %logic.end5760
-logic.rhs5759:
-  %t77 = load ptr, ptr %a3
-  %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic5761, label %ok5762
-panic5761:
-  call void @finch_panic(ptr @.str.3761, i64 3079, ptr @.str.3762)
+ok6123:
+  %t75 = getelementptr inbounds %S.gen.Val, ptr %t73, i32 0, i32 3
+  %t76 = load i1, ptr %t75
+  %t77 = xor i1 %t76, true
+  br label %logic.rend6124
+logic.rend6124:
+  br label %logic.end6121
+logic.end6121:
+  %t78 = phi i1 [ false, %logic.from6119 ], [ %t77, %logic.rend6124 ]
+  br label %logic.from6125
+logic.from6125:
+  br i1 %t78, label %logic.rhs6126, label %logic.end6127
+logic.rhs6126:
+  %t79 = load ptr, ptr %a3
+  %t80 = icmp eq ptr %t79, null
+  br i1 %t80, label %panic6128, label %ok6129
+panic6128:
+  call void @finch_panic(ptr @.str.3927, i64 3334, ptr @.str.3928)
   unreachable
-ok5762:
-  %t79 = getelementptr inbounds %S.gen.Val, ptr %t77, i32 0, i32 0
-  %t80 = load { ptr, i64, i64 }, ptr %t79
-  %t81 = load ptr, ptr %a3
-  %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic5763, label %ok5764
-panic5763:
-  call void @finch_panic(ptr @.str.3763, i64 3079, ptr @.str.3764)
+ok6129:
+  %t81 = getelementptr inbounds %S.gen.Val, ptr %t79, i32 0, i32 0
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  %t83 = load ptr, ptr %a3
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic6130, label %ok6131
+panic6130:
+  call void @finch_panic(ptr @.str.3929, i64 3334, ptr @.str.3930)
   unreachable
-ok5764:
-  %t83 = getelementptr inbounds %S.gen.Val, ptr %t81, i32 0, i32 1
-  %t84 = load %S.ast.Type, ptr %t83
-  %t85 = load ptr, ptr %a2
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic5765, label %ok5766
-panic5765:
-  call void @finch_panic(ptr @.str.3765, i64 3079, ptr @.str.3766)
+ok6131:
+  %t85 = getelementptr inbounds %S.gen.Val, ptr %t83, i32 0, i32 1
+  %t86 = load %S.ast.Type, ptr %t85
+  %t87 = load ptr, ptr %a2
+  %t88 = icmp eq ptr %t87, null
+  br i1 %t88, label %panic6132, label %ok6133
+panic6132:
+  call void @finch_panic(ptr @.str.3931, i64 3334, ptr @.str.3932)
   unreachable
-ok5766:
-  %t87 = getelementptr inbounds %S.gen.Val, ptr %t85, i32 0, i32 1
-  %t88 = load %S.ast.Type, ptr %t87
-  %t89 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t80, %S.ast.Type %t84, %S.ast.Type %t88)
-  br label %logic.rend5767
-logic.rend5767:
-  br label %logic.end5760
-logic.end5760:
-  %t90 = phi i1 [ false, %logic.from5758 ], [ %t89, %logic.rend5767 ]
-  br i1 %t90, label %then5768, label %endif5770
-then5768:
-  %t91 = load ptr, ptr %a3
-  %t92 = icmp eq ptr %t91, null
-  br i1 %t92, label %panic5771, label %ok5772
-panic5771:
-  call void @finch_panic(ptr @.str.3767, i64 3080, ptr @.str.3768)
+ok6133:
+  %t89 = getelementptr inbounds %S.gen.Val, ptr %t87, i32 0, i32 1
+  %t90 = load %S.ast.Type, ptr %t89
+  %t91 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t82, %S.ast.Type %t86, %S.ast.Type %t90)
+  br label %logic.rend6134
+logic.rend6134:
+  br label %logic.end6127
+logic.end6127:
+  %t92 = phi i1 [ false, %logic.from6125 ], [ %t91, %logic.rend6134 ]
+  br i1 %t92, label %then6135, label %endif6137
+then6135:
+  %t93 = load ptr, ptr %a3
+  %t94 = icmp eq ptr %t93, null
+  br i1 %t94, label %panic6138, label %ok6139
+panic6138:
+  call void @finch_panic(ptr @.str.3933, i64 3335, ptr @.str.3934)
   unreachable
-ok5772:
-  %t93 = getelementptr inbounds %S.gen.Val, ptr %t91, i32 0, i32 0
-  %t94 = load { ptr, i64, i64 }, ptr %t93
-  store { ptr, i64, i64 } %t94, ptr %a95
-  call void @finch_str_copy(ptr %a96, ptr %a95)
-  %t97 = load { ptr, i64, i64 }, ptr %a96
-  %t98 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t97, 0
-  %t99 = load ptr, ptr %a2
-  %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic5773, label %ok5774
-panic5773:
-  call void @finch_panic(ptr @.str.3769, i64 3080, ptr @.str.3770)
+ok6139:
+  %t95 = getelementptr inbounds %S.gen.Val, ptr %t93, i32 0, i32 0
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } %t96, ptr %a97
+  call void @finch_str_copy(ptr %a98, ptr %a97)
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  %t100 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t99, 0
+  %t101 = load ptr, ptr %a2
+  %t102 = icmp eq ptr %t101, null
+  br i1 %t102, label %panic6140, label %ok6141
+panic6140:
+  call void @finch_panic(ptr @.str.3935, i64 3335, ptr @.str.3936)
   unreachable
-ok5774:
-  %t101 = getelementptr inbounds %S.gen.Val, ptr %t99, i32 0, i32 1
-  %t102 = load %S.ast.Type, ptr %t101
-  store %S.ast.Type %t102, ptr %a103
-  call void @finch.copy.S_ast_Type(ptr %a104, ptr %a103)
-  %t105 = load %S.ast.Type, ptr %a104
-  %t106 = insertvalue %S.gen.Val %t98, %S.ast.Type %t105, 1
-  %t107 = insertvalue %S.gen.Val %t106, i1 true, 3
-  %t108 = load ptr, ptr %a3
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic5775, label %ok5776
-panic5775:
-  call void @finch_panic(ptr @.str.3771, i64 3080, ptr @.str.3772)
-  unreachable
-ok5776:
-  store %S.gen.Val %t107, ptr %t108
-  ret i1 true
-endif5770:
-  %t110 = load ptr, ptr %a2
+ok6141:
+  %t103 = getelementptr inbounds %S.gen.Val, ptr %t101, i32 0, i32 1
+  %t104 = load %S.ast.Type, ptr %t103
+  store %S.ast.Type %t104, ptr %a105
+  call void @finch.copy.S_ast_Type(ptr %a106, ptr %a105)
+  %t107 = load %S.ast.Type, ptr %a106
+  %t108 = insertvalue %S.gen.Val %t100, %S.ast.Type %t107, 1
+  %t109 = insertvalue %S.gen.Val %t108, i1 true, 3
+  %t110 = load ptr, ptr %a3
   %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic5777, label %ok5778
-panic5777:
-  call void @finch_panic(ptr @.str.3773, i64 3083, ptr @.str.3774)
+  br i1 %t111, label %panic6142, label %ok6143
+panic6142:
+  call void @finch_panic(ptr @.str.3937, i64 3335, ptr @.str.3938)
   unreachable
-ok5778:
-  %t112 = getelementptr inbounds %S.gen.Val, ptr %t110, i32 0, i32 1
-  %t113 = load %S.ast.Type, ptr %t112
-  %t114 = load ptr, ptr %a3
+ok6143:
+  %t112 = load %S.gen.Val, ptr %t110
+  store %S.gen.Val %t109, ptr %t110
+  store %S.gen.Val %t112, ptr %a113
+  call void @finch.drop.S_gen_Val(ptr %a113)
+  ret i1 true
+endif6137:
+  %t114 = load ptr, ptr %a2
   %t115 = icmp eq ptr %t114, null
-  br i1 %t115, label %panic5779, label %ok5780
-panic5779:
-  call void @finch_panic(ptr @.str.3775, i64 3083, ptr @.str.3776)
+  br i1 %t115, label %panic6144, label %ok6145
+panic6144:
+  call void @finch_panic(ptr @.str.3939, i64 3338, ptr @.str.3940)
   unreachable
-ok5780:
+ok6145:
   %t116 = getelementptr inbounds %S.gen.Val, ptr %t114, i32 0, i32 1
   %t117 = load %S.ast.Type, ptr %t116
-  %t118 = call i1 @finch.gen.widens(%S.ast.Type %t113, %S.ast.Type %t117)
-  br i1 %t118, label %then5781, label %endif5783
-then5781:
-  %t119 = load ptr, ptr %a1
-  %t120 = load ptr, ptr %a2
-  %t121 = icmp eq ptr %t120, null
-  br i1 %t121, label %panic5784, label %ok5785
-panic5784:
-  call void @finch_panic(ptr @.str.3777, i64 3084, ptr @.str.3778)
+  %t118 = load ptr, ptr %a3
+  %t119 = icmp eq ptr %t118, null
+  br i1 %t119, label %panic6146, label %ok6147
+panic6146:
+  call void @finch_panic(ptr @.str.3941, i64 3338, ptr @.str.3942)
   unreachable
-ok5785:
-  %t122 = getelementptr inbounds %S.gen.Val, ptr %t120, i32 0, i32 0
-  %t123 = load { ptr, i64, i64 }, ptr %t122
+ok6147:
+  %t120 = getelementptr inbounds %S.gen.Val, ptr %t118, i32 0, i32 1
+  %t121 = load %S.ast.Type, ptr %t120
+  %t122 = call i1 @finch.gen.widens(%S.ast.Type %t117, %S.ast.Type %t121)
+  br i1 %t122, label %then6148, label %endif6150
+then6148:
+  %t123 = load ptr, ptr %a1
   %t124 = load ptr, ptr %a2
   %t125 = icmp eq ptr %t124, null
-  br i1 %t125, label %panic5786, label %ok5787
-panic5786:
-  call void @finch_panic(ptr @.str.3779, i64 3084, ptr @.str.3780)
+  br i1 %t125, label %panic6151, label %ok6152
+panic6151:
+  call void @finch_panic(ptr @.str.3943, i64 3339, ptr @.str.3944)
   unreachable
-ok5787:
-  %t126 = getelementptr inbounds %S.gen.Val, ptr %t124, i32 0, i32 1
-  %t127 = load %S.ast.Type, ptr %t126
-  %t128 = load ptr, ptr %a3
+ok6152:
+  %t126 = getelementptr inbounds %S.gen.Val, ptr %t124, i32 0, i32 0
+  %t127 = load { ptr, i64, i64 }, ptr %t126
+  %t128 = load ptr, ptr %a2
   %t129 = icmp eq ptr %t128, null
-  br i1 %t129, label %panic5788, label %ok5789
-panic5788:
-  call void @finch_panic(ptr @.str.3781, i64 3084, ptr @.str.3782)
+  br i1 %t129, label %panic6153, label %ok6154
+panic6153:
+  call void @finch_panic(ptr @.str.3945, i64 3339, ptr @.str.3946)
   unreachable
-ok5789:
+ok6154:
   %t130 = getelementptr inbounds %S.gen.Val, ptr %t128, i32 0, i32 1
   %t131 = load %S.ast.Type, ptr %t130
-  %t132 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t119, { ptr, i64, i64 } %t123, %S.ast.Type %t127, %S.ast.Type %t131)
-  %t133 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t132, 0
-  %t134 = load ptr, ptr %a3
-  %t135 = icmp eq ptr %t134, null
-  br i1 %t135, label %panic5790, label %ok5791
-panic5790:
-  call void @finch_panic(ptr @.str.3783, i64 3084, ptr @.str.3784)
+  %t132 = load ptr, ptr %a3
+  %t133 = icmp eq ptr %t132, null
+  br i1 %t133, label %panic6155, label %ok6156
+panic6155:
+  call void @finch_panic(ptr @.str.3947, i64 3339, ptr @.str.3948)
   unreachable
-ok5791:
-  %t136 = getelementptr inbounds %S.gen.Val, ptr %t134, i32 0, i32 1
-  %t137 = load %S.ast.Type, ptr %t136
-  store %S.ast.Type %t137, ptr %a138
-  call void @finch.copy.S_ast_Type(ptr %a139, ptr %a138)
-  %t140 = load %S.ast.Type, ptr %a139
-  %t141 = insertvalue %S.gen.Val %t133, %S.ast.Type %t140, 1
-  %t142 = load ptr, ptr %a2
-  %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic5792, label %ok5793
-panic5792:
-  call void @finch_panic(ptr @.str.3785, i64 3084, ptr @.str.3786)
+ok6156:
+  %t134 = getelementptr inbounds %S.gen.Val, ptr %t132, i32 0, i32 1
+  %t135 = load %S.ast.Type, ptr %t134
+  %t136 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t123, { ptr, i64, i64 } %t127, %S.ast.Type %t131, %S.ast.Type %t135)
+  %t137 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t136, 0
+  %t138 = load ptr, ptr %a3
+  %t139 = icmp eq ptr %t138, null
+  br i1 %t139, label %panic6157, label %ok6158
+panic6157:
+  call void @finch_panic(ptr @.str.3949, i64 3339, ptr @.str.3950)
   unreachable
-ok5793:
-  store %S.gen.Val %t141, ptr %t142
+ok6158:
+  %t140 = getelementptr inbounds %S.gen.Val, ptr %t138, i32 0, i32 1
+  %t141 = load %S.ast.Type, ptr %t140
+  store %S.ast.Type %t141, ptr %a142
+  call void @finch.copy.S_ast_Type(ptr %a143, ptr %a142)
+  %t144 = load %S.ast.Type, ptr %a143
+  %t145 = insertvalue %S.gen.Val %t137, %S.ast.Type %t144, 1
+  %t146 = load ptr, ptr %a2
+  %t147 = icmp eq ptr %t146, null
+  br i1 %t147, label %panic6159, label %ok6160
+panic6159:
+  call void @finch_panic(ptr @.str.3951, i64 3339, ptr @.str.3952)
+  unreachable
+ok6160:
+  %t148 = load %S.gen.Val, ptr %t146
+  store %S.gen.Val %t145, ptr %t146
+  store %S.gen.Val %t148, ptr %a149
+  call void @finch.drop.S_gen_Val(ptr %a149)
   ret i1 true
-endif5783:
-  %t144 = load ptr, ptr %a3
-  %t145 = icmp eq ptr %t144, null
-  br i1 %t145, label %panic5794, label %ok5795
-panic5794:
-  call void @finch_panic(ptr @.str.3787, i64 3087, ptr @.str.3788)
+endif6150:
+  %t150 = load ptr, ptr %a3
+  %t151 = icmp eq ptr %t150, null
+  br i1 %t151, label %panic6161, label %ok6162
+panic6161:
+  call void @finch_panic(ptr @.str.3953, i64 3342, ptr @.str.3954)
   unreachable
-ok5795:
-  %t146 = getelementptr inbounds %S.gen.Val, ptr %t144, i32 0, i32 1
-  %t147 = load %S.ast.Type, ptr %t146
-  %t148 = load ptr, ptr %a2
-  %t149 = icmp eq ptr %t148, null
-  br i1 %t149, label %panic5796, label %ok5797
-panic5796:
-  call void @finch_panic(ptr @.str.3789, i64 3087, ptr @.str.3790)
-  unreachable
-ok5797:
-  %t150 = getelementptr inbounds %S.gen.Val, ptr %t148, i32 0, i32 1
-  %t151 = load %S.ast.Type, ptr %t150
-  %t152 = call i1 @finch.gen.widens(%S.ast.Type %t147, %S.ast.Type %t151)
-  br i1 %t152, label %then5798, label %endif5800
-then5798:
-  %t153 = load ptr, ptr %a1
-  %t154 = load ptr, ptr %a3
+ok6162:
+  %t152 = getelementptr inbounds %S.gen.Val, ptr %t150, i32 0, i32 1
+  %t153 = load %S.ast.Type, ptr %t152
+  %t154 = load ptr, ptr %a2
   %t155 = icmp eq ptr %t154, null
-  br i1 %t155, label %panic5801, label %ok5802
-panic5801:
-  call void @finch_panic(ptr @.str.3791, i64 3088, ptr @.str.3792)
+  br i1 %t155, label %panic6163, label %ok6164
+panic6163:
+  call void @finch_panic(ptr @.str.3955, i64 3342, ptr @.str.3956)
   unreachable
-ok5802:
-  %t156 = getelementptr inbounds %S.gen.Val, ptr %t154, i32 0, i32 0
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  %t158 = load ptr, ptr %a3
-  %t159 = icmp eq ptr %t158, null
-  br i1 %t159, label %panic5803, label %ok5804
-panic5803:
-  call void @finch_panic(ptr @.str.3793, i64 3088, ptr @.str.3794)
+ok6164:
+  %t156 = getelementptr inbounds %S.gen.Val, ptr %t154, i32 0, i32 1
+  %t157 = load %S.ast.Type, ptr %t156
+  %t158 = call i1 @finch.gen.widens(%S.ast.Type %t153, %S.ast.Type %t157)
+  br i1 %t158, label %then6165, label %endif6167
+then6165:
+  %t159 = load ptr, ptr %a1
+  %t160 = load ptr, ptr %a3
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic6168, label %ok6169
+panic6168:
+  call void @finch_panic(ptr @.str.3957, i64 3343, ptr @.str.3958)
   unreachable
-ok5804:
-  %t160 = getelementptr inbounds %S.gen.Val, ptr %t158, i32 0, i32 1
-  %t161 = load %S.ast.Type, ptr %t160
-  %t162 = load ptr, ptr %a2
-  %t163 = icmp eq ptr %t162, null
-  br i1 %t163, label %panic5805, label %ok5806
-panic5805:
-  call void @finch_panic(ptr @.str.3795, i64 3088, ptr @.str.3796)
+ok6169:
+  %t162 = getelementptr inbounds %S.gen.Val, ptr %t160, i32 0, i32 0
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  %t164 = load ptr, ptr %a3
+  %t165 = icmp eq ptr %t164, null
+  br i1 %t165, label %panic6170, label %ok6171
+panic6170:
+  call void @finch_panic(ptr @.str.3959, i64 3343, ptr @.str.3960)
   unreachable
-ok5806:
-  %t164 = getelementptr inbounds %S.gen.Val, ptr %t162, i32 0, i32 1
-  %t165 = load %S.ast.Type, ptr %t164
-  %t166 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t153, { ptr, i64, i64 } %t157, %S.ast.Type %t161, %S.ast.Type %t165)
-  %t167 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t166, 0
+ok6171:
+  %t166 = getelementptr inbounds %S.gen.Val, ptr %t164, i32 0, i32 1
+  %t167 = load %S.ast.Type, ptr %t166
   %t168 = load ptr, ptr %a2
   %t169 = icmp eq ptr %t168, null
-  br i1 %t169, label %panic5807, label %ok5808
-panic5807:
-  call void @finch_panic(ptr @.str.3797, i64 3088, ptr @.str.3798)
+  br i1 %t169, label %panic6172, label %ok6173
+panic6172:
+  call void @finch_panic(ptr @.str.3961, i64 3343, ptr @.str.3962)
   unreachable
-ok5808:
+ok6173:
   %t170 = getelementptr inbounds %S.gen.Val, ptr %t168, i32 0, i32 1
   %t171 = load %S.ast.Type, ptr %t170
-  store %S.ast.Type %t171, ptr %a172
-  call void @finch.copy.S_ast_Type(ptr %a173, ptr %a172)
-  %t174 = load %S.ast.Type, ptr %a173
-  %t175 = insertvalue %S.gen.Val %t167, %S.ast.Type %t174, 1
-  %t176 = load ptr, ptr %a3
-  %t177 = icmp eq ptr %t176, null
-  br i1 %t177, label %panic5809, label %ok5810
-panic5809:
-  call void @finch_panic(ptr @.str.3799, i64 3088, ptr @.str.3800)
+  %t172 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t159, { ptr, i64, i64 } %t163, %S.ast.Type %t167, %S.ast.Type %t171)
+  %t173 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t172, 0
+  %t174 = load ptr, ptr %a2
+  %t175 = icmp eq ptr %t174, null
+  br i1 %t175, label %panic6174, label %ok6175
+panic6174:
+  call void @finch_panic(ptr @.str.3963, i64 3343, ptr @.str.3964)
   unreachable
-ok5810:
-  store %S.gen.Val %t175, ptr %t176
+ok6175:
+  %t176 = getelementptr inbounds %S.gen.Val, ptr %t174, i32 0, i32 1
+  %t177 = load %S.ast.Type, ptr %t176
+  store %S.ast.Type %t177, ptr %a178
+  call void @finch.copy.S_ast_Type(ptr %a179, ptr %a178)
+  %t180 = load %S.ast.Type, ptr %a179
+  %t181 = insertvalue %S.gen.Val %t173, %S.ast.Type %t180, 1
+  %t182 = load ptr, ptr %a3
+  %t183 = icmp eq ptr %t182, null
+  br i1 %t183, label %panic6176, label %ok6177
+panic6176:
+  call void @finch_panic(ptr @.str.3965, i64 3343, ptr @.str.3966)
+  unreachable
+ok6177:
+  %t184 = load %S.gen.Val, ptr %t182
+  store %S.gen.Val %t181, ptr %t182
+  store %S.gen.Val %t184, ptr %a185
+  call void @finch.drop.S_gen_Val(ptr %a185)
   ret i1 true
-endif5800:
+endif6167:
   ret i1 false
-endif5722:
-  %t178 = load ptr, ptr %a2
-  %t179 = icmp eq ptr %t178, null
-  br i1 %t179, label %panic5811, label %ok5812
-panic5811:
-  call void @finch_panic(ptr @.str.3801, i64 3093, ptr @.str.3802)
+endif6089:
+  %t186 = load ptr, ptr %a2
+  %t187 = icmp eq ptr %t186, null
+  br i1 %t187, label %panic6178, label %ok6179
+panic6178:
+  call void @finch_panic(ptr @.str.3967, i64 3348, ptr @.str.3968)
   unreachable
-ok5812:
-  %t180 = getelementptr inbounds %S.gen.Val, ptr %t178, i32 0, i32 1
-  %t181 = load %S.ast.Type, ptr %t180
-  %t182 = call i1 @finch.gen.isInt(%S.ast.Type %t181)
-  br label %logic.from5813
-logic.from5813:
-  br i1 %t182, label %logic.rhs5814, label %logic.end5815
-logic.rhs5814:
-  %t183 = load ptr, ptr %a3
-  %t184 = icmp eq ptr %t183, null
-  br i1 %t184, label %panic5816, label %ok5817
-panic5816:
-  call void @finch_panic(ptr @.str.3803, i64 3093, ptr @.str.3804)
+ok6179:
+  %t188 = getelementptr inbounds %S.gen.Val, ptr %t186, i32 0, i32 1
+  %t189 = load %S.ast.Type, ptr %t188
+  %t190 = call i1 @finch.gen.isInt(%S.ast.Type %t189)
+  br label %logic.from6180
+logic.from6180:
+  br i1 %t190, label %logic.rhs6181, label %logic.end6182
+logic.rhs6181:
+  %t191 = load ptr, ptr %a3
+  %t192 = icmp eq ptr %t191, null
+  br i1 %t192, label %panic6183, label %ok6184
+panic6183:
+  call void @finch_panic(ptr @.str.3969, i64 3348, ptr @.str.3970)
   unreachable
-ok5817:
-  %t185 = getelementptr inbounds %S.gen.Val, ptr %t183, i32 0, i32 1
-  %t186 = load %S.ast.Type, ptr %t185
-  %t187 = call i1 @finch.gen.isFloat(%S.ast.Type %t186)
-  br label %logic.rend5818
-logic.rend5818:
-  br label %logic.end5815
-logic.end5815:
-  %t188 = phi i1 [ false, %logic.from5813 ], [ %t187, %logic.rend5818 ]
-  br i1 %t188, label %then5819, label %endif5821
-then5819:
-  %t189 = load ptr, ptr %a1
-  %t190 = load ptr, ptr %a2
-  %t191 = icmp eq ptr %t190, null
-  br i1 %t191, label %panic5822, label %ok5823
-panic5822:
-  call void @finch_panic(ptr @.str.3805, i64 3094, ptr @.str.3806)
+ok6184:
+  %t193 = getelementptr inbounds %S.gen.Val, ptr %t191, i32 0, i32 1
+  %t194 = load %S.ast.Type, ptr %t193
+  %t195 = call i1 @finch.gen.isFloat(%S.ast.Type %t194)
+  br label %logic.rend6185
+logic.rend6185:
+  br label %logic.end6182
+logic.end6182:
+  %t196 = phi i1 [ false, %logic.from6180 ], [ %t195, %logic.rend6185 ]
+  br i1 %t196, label %then6186, label %endif6188
+then6186:
+  %t197 = load ptr, ptr %a1
+  %t198 = load ptr, ptr %a2
+  %t199 = icmp eq ptr %t198, null
+  br i1 %t199, label %panic6189, label %ok6190
+panic6189:
+  call void @finch_panic(ptr @.str.3971, i64 3349, ptr @.str.3972)
   unreachable
-ok5823:
-  %t192 = load %S.gen.Val, ptr %t190
-  %t193 = load ptr, ptr %a3
-  %t194 = icmp eq ptr %t193, null
-  br i1 %t194, label %panic5824, label %ok5825
-panic5824:
-  call void @finch_panic(ptr @.str.3807, i64 3094, ptr @.str.3808)
-  unreachable
-ok5825:
-  %t195 = getelementptr inbounds %S.gen.Val, ptr %t193, i32 0, i32 1
-  %t196 = load %S.ast.Type, ptr %t195
-  %t197 = call %S.ast.Node @finch.gen.Node0()
-  %t198 = call %S.gen.Val @finch.gen.coerce(ptr %t189, %S.gen.Val %t192, %S.ast.Type %t196, %S.ast.Node %t197, { ptr, i64, i64 } { ptr @.str.3809, i64 0, i64 0 })
-  %t199 = load ptr, ptr %a2
-  %t200 = icmp eq ptr %t199, null
-  br i1 %t200, label %panic5826, label %ok5827
-panic5826:
-  call void @finch_panic(ptr @.str.3810, i64 3094, ptr @.str.3811)
-  unreachable
-ok5827:
-  store %S.gen.Val %t198, ptr %t199
-  ret i1 true
-endif5821:
-  %t201 = load ptr, ptr %a2
+ok6190:
+  %t200 = load %S.gen.Val, ptr %t198
+  %t201 = load ptr, ptr %a3
   %t202 = icmp eq ptr %t201, null
-  br i1 %t202, label %panic5828, label %ok5829
-panic5828:
-  call void @finch_panic(ptr @.str.3812, i64 3097, ptr @.str.3813)
+  br i1 %t202, label %panic6191, label %ok6192
+panic6191:
+  call void @finch_panic(ptr @.str.3973, i64 3349, ptr @.str.3974)
   unreachable
-ok5829:
+ok6192:
   %t203 = getelementptr inbounds %S.gen.Val, ptr %t201, i32 0, i32 1
   %t204 = load %S.ast.Type, ptr %t203
-  %t205 = call i1 @finch.gen.isFloat(%S.ast.Type %t204)
-  br label %logic.from5830
-logic.from5830:
-  br i1 %t205, label %logic.rhs5831, label %logic.end5832
-logic.rhs5831:
-  %t206 = load ptr, ptr %a3
-  %t207 = icmp eq ptr %t206, null
-  br i1 %t207, label %panic5833, label %ok5834
-panic5833:
-  call void @finch_panic(ptr @.str.3814, i64 3097, ptr @.str.3815)
+  %t205 = call %S.ast.Node @finch.gen.Node0()
+  %t206 = call %S.gen.Val @finch.gen.coerce(ptr %t197, %S.gen.Val %t200, %S.ast.Type %t204, %S.ast.Node %t205, { ptr, i64, i64 } { ptr @.str.3975, i64 0, i64 0 })
+  store %S.ast.Node %t205, ptr %a207
+  call void @finch.drop.S_ast_Node(ptr %a207)
+  %t208 = load ptr, ptr %a2
+  %t209 = icmp eq ptr %t208, null
+  br i1 %t209, label %panic6193, label %ok6194
+panic6193:
+  call void @finch_panic(ptr @.str.3976, i64 3349, ptr @.str.3977)
   unreachable
-ok5834:
-  %t208 = getelementptr inbounds %S.gen.Val, ptr %t206, i32 0, i32 1
-  %t209 = load %S.ast.Type, ptr %t208
-  %t210 = call i1 @finch.gen.isInt(%S.ast.Type %t209)
-  br label %logic.rend5835
-logic.rend5835:
-  br label %logic.end5832
-logic.end5832:
-  %t211 = phi i1 [ false, %logic.from5830 ], [ %t210, %logic.rend5835 ]
-  br i1 %t211, label %then5836, label %endif5838
-then5836:
-  %t212 = load ptr, ptr %a1
-  %t213 = load ptr, ptr %a3
-  %t214 = icmp eq ptr %t213, null
-  br i1 %t214, label %panic5839, label %ok5840
-panic5839:
-  call void @finch_panic(ptr @.str.3816, i64 3098, ptr @.str.3817)
-  unreachable
-ok5840:
-  %t215 = load %S.gen.Val, ptr %t213
-  %t216 = load ptr, ptr %a2
-  %t217 = icmp eq ptr %t216, null
-  br i1 %t217, label %panic5841, label %ok5842
-panic5841:
-  call void @finch_panic(ptr @.str.3818, i64 3098, ptr @.str.3819)
-  unreachable
-ok5842:
-  %t218 = getelementptr inbounds %S.gen.Val, ptr %t216, i32 0, i32 1
-  %t219 = load %S.ast.Type, ptr %t218
-  %t220 = call %S.ast.Node @finch.gen.Node0()
-  %t221 = call %S.gen.Val @finch.gen.coerce(ptr %t212, %S.gen.Val %t215, %S.ast.Type %t219, %S.ast.Node %t220, { ptr, i64, i64 } { ptr @.str.3820, i64 0, i64 0 })
-  %t222 = load ptr, ptr %a3
-  %t223 = icmp eq ptr %t222, null
-  br i1 %t223, label %panic5843, label %ok5844
-panic5843:
-  call void @finch_panic(ptr @.str.3821, i64 3098, ptr @.str.3822)
-  unreachable
-ok5844:
-  store %S.gen.Val %t221, ptr %t222
+ok6194:
+  %t210 = load %S.gen.Val, ptr %t208
+  store %S.gen.Val %t206, ptr %t208
+  store %S.gen.Val %t210, ptr %a211
+  call void @finch.drop.S_gen_Val(ptr %a211)
   ret i1 true
-endif5838:
-  %t224 = load ptr, ptr %a2
+endif6188:
+  %t212 = load ptr, ptr %a2
+  %t213 = icmp eq ptr %t212, null
+  br i1 %t213, label %panic6195, label %ok6196
+panic6195:
+  call void @finch_panic(ptr @.str.3978, i64 3352, ptr @.str.3979)
+  unreachable
+ok6196:
+  %t214 = getelementptr inbounds %S.gen.Val, ptr %t212, i32 0, i32 1
+  %t215 = load %S.ast.Type, ptr %t214
+  %t216 = call i1 @finch.gen.isFloat(%S.ast.Type %t215)
+  br label %logic.from6197
+logic.from6197:
+  br i1 %t216, label %logic.rhs6198, label %logic.end6199
+logic.rhs6198:
+  %t217 = load ptr, ptr %a3
+  %t218 = icmp eq ptr %t217, null
+  br i1 %t218, label %panic6200, label %ok6201
+panic6200:
+  call void @finch_panic(ptr @.str.3980, i64 3352, ptr @.str.3981)
+  unreachable
+ok6201:
+  %t219 = getelementptr inbounds %S.gen.Val, ptr %t217, i32 0, i32 1
+  %t220 = load %S.ast.Type, ptr %t219
+  %t221 = call i1 @finch.gen.isInt(%S.ast.Type %t220)
+  br label %logic.rend6202
+logic.rend6202:
+  br label %logic.end6199
+logic.end6199:
+  %t222 = phi i1 [ false, %logic.from6197 ], [ %t221, %logic.rend6202 ]
+  br i1 %t222, label %then6203, label %endif6205
+then6203:
+  %t223 = load ptr, ptr %a1
+  %t224 = load ptr, ptr %a3
   %t225 = icmp eq ptr %t224, null
-  br i1 %t225, label %panic5845, label %ok5846
-panic5845:
-  call void @finch_panic(ptr @.str.3823, i64 3101, ptr @.str.3824)
+  br i1 %t225, label %panic6206, label %ok6207
+panic6206:
+  call void @finch_panic(ptr @.str.3982, i64 3353, ptr @.str.3983)
   unreachable
-ok5846:
-  %t226 = getelementptr inbounds %S.gen.Val, ptr %t224, i32 0, i32 1
-  %t227 = load %S.ast.Type, ptr %t226
-  %t228 = call i1 @finch.gen.isFloat(%S.ast.Type %t227)
-  br label %logic.from5847
-logic.from5847:
-  br i1 %t228, label %logic.rhs5848, label %logic.end5849
-logic.rhs5848:
-  %t229 = load ptr, ptr %a3
-  %t230 = icmp eq ptr %t229, null
-  br i1 %t230, label %panic5850, label %ok5851
-panic5850:
-  call void @finch_panic(ptr @.str.3825, i64 3101, ptr @.str.3826)
+ok6207:
+  %t226 = load %S.gen.Val, ptr %t224
+  %t227 = load ptr, ptr %a2
+  %t228 = icmp eq ptr %t227, null
+  br i1 %t228, label %panic6208, label %ok6209
+panic6208:
+  call void @finch_panic(ptr @.str.3984, i64 3353, ptr @.str.3985)
   unreachable
-ok5851:
-  %t231 = getelementptr inbounds %S.gen.Val, ptr %t229, i32 0, i32 1
-  %t232 = load %S.ast.Type, ptr %t231
-  %t233 = call i1 @finch.gen.isFloat(%S.ast.Type %t232)
-  br label %logic.rend5852
-logic.rend5852:
-  br label %logic.end5849
-logic.end5849:
-  %t234 = phi i1 [ false, %logic.from5847 ], [ %t233, %logic.rend5852 ]
-  br i1 %t234, label %then5853, label %endif5855
-then5853:
-  %t235 = load ptr, ptr %a2
-  %t236 = icmp eq ptr %t235, null
-  br i1 %t236, label %panic5856, label %ok5857
-panic5856:
-  call void @finch_panic(ptr @.str.3827, i64 3102, ptr @.str.3828)
+ok6209:
+  %t229 = getelementptr inbounds %S.gen.Val, ptr %t227, i32 0, i32 1
+  %t230 = load %S.ast.Type, ptr %t229
+  %t231 = call %S.ast.Node @finch.gen.Node0()
+  %t232 = call %S.gen.Val @finch.gen.coerce(ptr %t223, %S.gen.Val %t226, %S.ast.Type %t230, %S.ast.Node %t231, { ptr, i64, i64 } { ptr @.str.3986, i64 0, i64 0 })
+  store %S.ast.Node %t231, ptr %a233
+  call void @finch.drop.S_ast_Node(ptr %a233)
+  %t234 = load ptr, ptr %a3
+  %t235 = icmp eq ptr %t234, null
+  br i1 %t235, label %panic6210, label %ok6211
+panic6210:
+  call void @finch_panic(ptr @.str.3987, i64 3353, ptr @.str.3988)
   unreachable
-ok5857:
-  %t237 = getelementptr inbounds %S.gen.Val, ptr %t235, i32 0, i32 1
-  %t238 = getelementptr inbounds %S.ast.Type, ptr %t237, i32 0, i32 0
-  %t239 = load { ptr, i64, i64 }, ptr %t238
-  store { ptr, i64, i64 } %t239, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.3829, i64 3, i64 0 }, ptr %a241
-  %t242 = call i32 @finch_str_eq(ptr %a240, ptr %a241)
-  %t243 = icmp ne i32 %t242, 0
-  br i1 %t243, label %then5858, label %endif5860
-then5858:
-  %t244 = load ptr, ptr %a1
-  %t245 = load ptr, ptr %a2
-  %t246 = icmp eq ptr %t245, null
-  br i1 %t246, label %panic5861, label %ok5862
-panic5861:
-  call void @finch_panic(ptr @.str.3830, i64 3103, ptr @.str.3831)
+ok6211:
+  %t236 = load %S.gen.Val, ptr %t234
+  store %S.gen.Val %t232, ptr %t234
+  store %S.gen.Val %t236, ptr %a237
+  call void @finch.drop.S_gen_Val(ptr %a237)
+  ret i1 true
+endif6205:
+  %t238 = load ptr, ptr %a2
+  %t239 = icmp eq ptr %t238, null
+  br i1 %t239, label %panic6212, label %ok6213
+panic6212:
+  call void @finch_panic(ptr @.str.3989, i64 3356, ptr @.str.3990)
   unreachable
-ok5862:
-  %t247 = getelementptr inbounds %S.gen.Val, ptr %t245, i32 0, i32 0
-  %t248 = load { ptr, i64, i64 }, ptr %t247
+ok6213:
+  %t240 = getelementptr inbounds %S.gen.Val, ptr %t238, i32 0, i32 1
+  %t241 = load %S.ast.Type, ptr %t240
+  %t242 = call i1 @finch.gen.isFloat(%S.ast.Type %t241)
+  br label %logic.from6214
+logic.from6214:
+  br i1 %t242, label %logic.rhs6215, label %logic.end6216
+logic.rhs6215:
+  %t243 = load ptr, ptr %a3
+  %t244 = icmp eq ptr %t243, null
+  br i1 %t244, label %panic6217, label %ok6218
+panic6217:
+  call void @finch_panic(ptr @.str.3991, i64 3356, ptr @.str.3992)
+  unreachable
+ok6218:
+  %t245 = getelementptr inbounds %S.gen.Val, ptr %t243, i32 0, i32 1
+  %t246 = load %S.ast.Type, ptr %t245
+  %t247 = call i1 @finch.gen.isFloat(%S.ast.Type %t246)
+  br label %logic.rend6219
+logic.rend6219:
+  br label %logic.end6216
+logic.end6216:
+  %t248 = phi i1 [ false, %logic.from6214 ], [ %t247, %logic.rend6219 ]
+  br i1 %t248, label %then6220, label %endif6222
+then6220:
   %t249 = load ptr, ptr %a2
   %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic5863, label %ok5864
-panic5863:
-  call void @finch_panic(ptr @.str.3832, i64 3103, ptr @.str.3833)
+  br i1 %t250, label %panic6223, label %ok6224
+panic6223:
+  call void @finch_panic(ptr @.str.3993, i64 3357, ptr @.str.3994)
   unreachable
-ok5864:
+ok6224:
   %t251 = getelementptr inbounds %S.gen.Val, ptr %t249, i32 0, i32 1
-  %t252 = load %S.ast.Type, ptr %t251
-  %t253 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3834, i64 5, i64 0 })
-  %t254 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t244, { ptr, i64, i64 } %t248, %S.ast.Type %t252, %S.ast.Type %t253)
-  %t255 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t254, 0
-  %t256 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3835, i64 5, i64 0 })
-  %t257 = insertvalue %S.gen.Val %t255, %S.ast.Type %t256, 1
-  %t258 = load ptr, ptr %a2
-  %t259 = icmp eq ptr %t258, null
-  br i1 %t259, label %panic5865, label %ok5866
-panic5865:
-  call void @finch_panic(ptr @.str.3836, i64 3103, ptr @.str.3837)
+  %t252 = getelementptr inbounds %S.ast.Type, ptr %t251, i32 0, i32 0
+  %t253 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } %t253, ptr %a254
+  store { ptr, i64, i64 } { ptr @.str.3995, i64 3, i64 0 }, ptr %a255
+  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
+  %t257 = icmp ne i32 %t256, 0
+  br i1 %t257, label %then6225, label %endif6227
+then6225:
+  %t258 = load ptr, ptr %a1
+  %t259 = load ptr, ptr %a2
+  %t260 = icmp eq ptr %t259, null
+  br i1 %t260, label %panic6228, label %ok6229
+panic6228:
+  call void @finch_panic(ptr @.str.3996, i64 3358, ptr @.str.3997)
   unreachable
-ok5866:
-  store %S.gen.Val %t257, ptr %t258
-  br label %endif5860
-endif5860:
-  %t260 = load ptr, ptr %a3
-  %t261 = icmp eq ptr %t260, null
-  br i1 %t261, label %panic5867, label %ok5868
-panic5867:
-  call void @finch_panic(ptr @.str.3838, i64 3105, ptr @.str.3839)
+ok6229:
+  %t261 = getelementptr inbounds %S.gen.Val, ptr %t259, i32 0, i32 0
+  %t262 = load { ptr, i64, i64 }, ptr %t261
+  %t263 = load ptr, ptr %a2
+  %t264 = icmp eq ptr %t263, null
+  br i1 %t264, label %panic6230, label %ok6231
+panic6230:
+  call void @finch_panic(ptr @.str.3998, i64 3358, ptr @.str.3999)
   unreachable
-ok5868:
-  %t262 = getelementptr inbounds %S.gen.Val, ptr %t260, i32 0, i32 1
-  %t263 = getelementptr inbounds %S.ast.Type, ptr %t262, i32 0, i32 0
-  %t264 = load { ptr, i64, i64 }, ptr %t263
-  store { ptr, i64, i64 } %t264, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.3840, i64 3, i64 0 }, ptr %a266
-  %t267 = call i32 @finch_str_eq(ptr %a265, ptr %a266)
-  %t268 = icmp ne i32 %t267, 0
-  br i1 %t268, label %then5869, label %endif5871
-then5869:
-  %t269 = load ptr, ptr %a1
-  %t270 = load ptr, ptr %a3
-  %t271 = icmp eq ptr %t270, null
-  br i1 %t271, label %panic5872, label %ok5873
-panic5872:
-  call void @finch_panic(ptr @.str.3841, i64 3106, ptr @.str.3842)
+ok6231:
+  %t265 = getelementptr inbounds %S.gen.Val, ptr %t263, i32 0, i32 1
+  %t266 = load %S.ast.Type, ptr %t265
+  %t267 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4000, i64 5, i64 0 })
+  %t268 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t258, { ptr, i64, i64 } %t262, %S.ast.Type %t266, %S.ast.Type %t267)
+  store %S.ast.Type %t267, ptr %a269
+  call void @finch.drop.S_ast_Type(ptr %a269)
+  %t270 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t268, 0
+  %t271 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4001, i64 5, i64 0 })
+  %t272 = insertvalue %S.gen.Val %t270, %S.ast.Type %t271, 1
+  %t273 = load ptr, ptr %a2
+  %t274 = icmp eq ptr %t273, null
+  br i1 %t274, label %panic6232, label %ok6233
+panic6232:
+  call void @finch_panic(ptr @.str.4002, i64 3358, ptr @.str.4003)
   unreachable
-ok5873:
-  %t272 = getelementptr inbounds %S.gen.Val, ptr %t270, i32 0, i32 0
-  %t273 = load { ptr, i64, i64 }, ptr %t272
-  %t274 = load ptr, ptr %a3
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic5874, label %ok5875
-panic5874:
-  call void @finch_panic(ptr @.str.3843, i64 3106, ptr @.str.3844)
+ok6233:
+  %t275 = load %S.gen.Val, ptr %t273
+  store %S.gen.Val %t272, ptr %t273
+  store %S.gen.Val %t275, ptr %a276
+  call void @finch.drop.S_gen_Val(ptr %a276)
+  br label %endif6227
+endif6227:
+  %t277 = load ptr, ptr %a3
+  %t278 = icmp eq ptr %t277, null
+  br i1 %t278, label %panic6234, label %ok6235
+panic6234:
+  call void @finch_panic(ptr @.str.4004, i64 3360, ptr @.str.4005)
   unreachable
-ok5875:
-  %t276 = getelementptr inbounds %S.gen.Val, ptr %t274, i32 0, i32 1
-  %t277 = load %S.ast.Type, ptr %t276
-  %t278 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3845, i64 5, i64 0 })
-  %t279 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t269, { ptr, i64, i64 } %t273, %S.ast.Type %t277, %S.ast.Type %t278)
-  %t280 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t279, 0
-  %t281 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3846, i64 5, i64 0 })
-  %t282 = insertvalue %S.gen.Val %t280, %S.ast.Type %t281, 1
-  %t283 = load ptr, ptr %a3
-  %t284 = icmp eq ptr %t283, null
-  br i1 %t284, label %panic5876, label %ok5877
-panic5876:
-  call void @finch_panic(ptr @.str.3847, i64 3106, ptr @.str.3848)
+ok6235:
+  %t279 = getelementptr inbounds %S.gen.Val, ptr %t277, i32 0, i32 1
+  %t280 = getelementptr inbounds %S.ast.Type, ptr %t279, i32 0, i32 0
+  %t281 = load { ptr, i64, i64 }, ptr %t280
+  store { ptr, i64, i64 } %t281, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.4006, i64 3, i64 0 }, ptr %a283
+  %t284 = call i32 @finch_str_eq(ptr %a282, ptr %a283)
+  %t285 = icmp ne i32 %t284, 0
+  br i1 %t285, label %then6236, label %endif6238
+then6236:
+  %t286 = load ptr, ptr %a1
+  %t287 = load ptr, ptr %a3
+  %t288 = icmp eq ptr %t287, null
+  br i1 %t288, label %panic6239, label %ok6240
+panic6239:
+  call void @finch_panic(ptr @.str.4007, i64 3361, ptr @.str.4008)
   unreachable
-ok5877:
-  store %S.gen.Val %t282, ptr %t283
-  br label %endif5871
-endif5871:
+ok6240:
+  %t289 = getelementptr inbounds %S.gen.Val, ptr %t287, i32 0, i32 0
+  %t290 = load { ptr, i64, i64 }, ptr %t289
+  %t291 = load ptr, ptr %a3
+  %t292 = icmp eq ptr %t291, null
+  br i1 %t292, label %panic6241, label %ok6242
+panic6241:
+  call void @finch_panic(ptr @.str.4009, i64 3361, ptr @.str.4010)
+  unreachable
+ok6242:
+  %t293 = getelementptr inbounds %S.gen.Val, ptr %t291, i32 0, i32 1
+  %t294 = load %S.ast.Type, ptr %t293
+  %t295 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4011, i64 5, i64 0 })
+  %t296 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t286, { ptr, i64, i64 } %t290, %S.ast.Type %t294, %S.ast.Type %t295)
+  store %S.ast.Type %t295, ptr %a297
+  call void @finch.drop.S_ast_Type(ptr %a297)
+  %t298 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t296, 0
+  %t299 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4012, i64 5, i64 0 })
+  %t300 = insertvalue %S.gen.Val %t298, %S.ast.Type %t299, 1
+  %t301 = load ptr, ptr %a3
+  %t302 = icmp eq ptr %t301, null
+  br i1 %t302, label %panic6243, label %ok6244
+panic6243:
+  call void @finch_panic(ptr @.str.4013, i64 3361, ptr @.str.4014)
+  unreachable
+ok6244:
+  %t303 = load %S.gen.Val, ptr %t301
+  store %S.gen.Val %t300, ptr %t301
+  store %S.gen.Val %t303, ptr %a304
+  call void @finch.drop.S_gen_Val(ptr %a304)
+  br label %endif6238
+endif6238:
   ret i1 true
-endif5855:
+endif6222:
   ret i1 false
 }
 
@@ -52732,93 +62351,118 @@ entry:
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca i64, align 16
-  %a141 = alloca i64, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca i64, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca i64, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca i64, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
   %a231 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
   %a241 = alloca { ptr, i64, i64 }, align 16
   %a242 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca %S.ast.Type, align 16
-  %a255 = alloca %S.ast.Type, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
   %a271 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca i64, align 16
-  %a288 = alloca i64, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca i64, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca %S.ast.Type, align 16
-  %a352 = alloca %S.ast.Type, align 16
-  %a361 = alloca %S.gen.Val, align 16
-  %a362 = alloca %S.gen.Val, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca %S.ast.Type, align 16
+  %a280 = alloca %S.ast.Type, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca i64, align 16
+  %a313 = alloca i64, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca i64, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca %S.ast.Type, align 16
+  %a384 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.gen.Val %p2, ptr %a3
@@ -52832,511 +62476,582 @@ entry:
   store %S.ast.Node %p4, ptr %a11
   %t12 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.3849, i64 1, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.4015, i64 1, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from5878
-logic.from5878:
-  br i1 %t16, label %logic.rhs5879, label %logic.end5880
-logic.rhs5879:
+  br label %logic.from6245
+logic.from6245:
+  br i1 %t16, label %logic.rhs6246, label %logic.end6247
+logic.rhs6246:
   %t17 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t18 = getelementptr inbounds %S.ast.Type, ptr %t17, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.3850, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4016, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend5881
-logic.rend5881:
-  br label %logic.end5880
-logic.end5880:
-  %t24 = phi i1 [ false, %logic.from5878 ], [ %t23, %logic.rend5881 ]
-  br label %logic.from5882
-logic.from5882:
-  br i1 %t24, label %logic.rhs5883, label %logic.end5884
-logic.rhs5883:
+  br label %logic.rend6248
+logic.rend6248:
+  br label %logic.end6247
+logic.end6247:
+  %t24 = phi i1 [ false, %logic.from6245 ], [ %t23, %logic.rend6248 ]
+  br label %logic.from6249
+logic.from6249:
+  br i1 %t24, label %logic.rhs6250, label %logic.end6251
+logic.rhs6250:
   %t25 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t26 = getelementptr inbounds %S.ast.Type, ptr %t25, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.3851, i64 3, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.4017, i64 3, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend5885
-logic.rend5885:
-  br label %logic.end5884
-logic.end5884:
-  %t32 = phi i1 [ false, %logic.from5882 ], [ %t31, %logic.rend5885 ]
-  br i1 %t32, label %then5886, label %endif5888
-then5886:
+  br label %logic.rend6252
+logic.rend6252:
+  br label %logic.end6251
+logic.end6251:
+  %t32 = phi i1 [ false, %logic.from6249 ], [ %t31, %logic.rend6252 ]
+  br i1 %t32, label %then6253, label %endif6255
+then6253:
   %t33 = load ptr, ptr %a1
-  %t34 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t33, { ptr, i64, i64 } { ptr @.str.3852, i64 17, i64 0 })
+  %t34 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t33, { ptr, i64, i64 } { ptr @.str.4018, i64 17, i64 0 })
   store { ptr, i64, i64 } %t34, ptr %a35
   %t36 = load ptr, ptr %a1
   %t37 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.3853, i64 32, i64 0 }, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.4019, i64 32, i64 0 }, ptr %a39
   store { ptr, i64, i64 } %t37, ptr %a40
   call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
   %t41 = load { ptr, i64, i64 }, ptr %a38
   store { ptr, i64, i64 } %t41, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.3854, i64 6, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.4020, i64 6, i64 0 }, ptr %a44
   call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
-  %t45 = load { ptr, i64, i64 }, ptr %a42
-  %t46 = load ptr, ptr %a1
-  %t47 = load %S.gen.Val, ptr %a6
-  %t48 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t46, %S.gen.Val %t47)
-  store { ptr, i64, i64 } %t45, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.3855, i64 6, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load ptr, ptr %a1
-  %t58 = load %S.gen.Val, ptr %a10
-  %t59 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t57, %S.gen.Val %t58)
-  store { ptr, i64, i64 } %t56, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.3856, i64 1, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } %t41, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = load ptr, ptr %a1
+  %t48 = load %S.gen.Val, ptr %a6
+  %t49 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t47, %S.gen.Val %t48)
+  store { ptr, i64, i64 } %t46, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t46, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.4021, i64 6, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load ptr, ptr %a1
+  %t62 = load %S.gen.Val, ptr %a10
+  %t63 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t61, %S.gen.Val %t62)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  call void @finch.gen.emit(ptr %t36, { ptr, i64, i64 } %t67)
-  %t68 = load ptr, ptr %a1
-  %t69 = load { ptr, i64, i64 }, ptr %a35
-  %t70 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.3857, i64 17, i64 0 }, { ptr, i64, i64 } %t69)
-  %t71 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t70, 0
-  %t72 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3858, i64 3, i64 0 })
-  %t73 = insertvalue %S.gen.Val %t71, %S.ast.Type %t72, 1
-  %t74 = insertvalue %S.gen.Val %t73, i1 true, 2
-  ret %S.gen.Val %t74
-endif5888:
-  %t75 = load ptr, ptr %a1
-  %t76 = call i1 @finch.gen.unify(ptr %t75, ptr %a6, ptr %a10)
-  %t77 = xor i1 %t76, true
-  br i1 %t77, label %then5889, label %endif5891
-then5889:
+  store { ptr, i64, i64 } %t60, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.4022, i64 1, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  call void @finch.gen.emit(ptr %t36, { ptr, i64, i64 } %t74)
+  store { ptr, i64, i64 } %t74, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load ptr, ptr %a1
+  %t77 = load %S.gen.Val, ptr %a6
+  call void @finch.gen.release(ptr %t76, %S.gen.Val %t77)
   %t78 = load ptr, ptr %a1
-  %t79 = load { ptr, i64, i64 }, ptr %a2
-  %t80 = load %S.gen.Val, ptr %a6
-  %t81 = load %S.gen.Val, ptr %a10
-  %t82 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t78, { ptr, i64, i64 } %t79, %S.gen.Val %t80, %S.gen.Val %t81, %S.ast.Node %t82)
-  br label %endif5891
-endif5891:
-  %t83 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t84 = load %S.ast.Type, ptr %t83
-  %t85 = call i1 @finch.gen.isInt(%S.ast.Type %t84)
-  br i1 %t85, label %then5892, label %endif5894
-then5892:
-  %t86 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t87 = call ptr @finch_alloc(i64 %t86)
-  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3859, i64 1, i64 0 }, ptr %t88
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3860, i64 1, i64 0 }, ptr %t89
-  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3861, i64 1, i64 0 }, ptr %t90
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3862, i64 1, i64 0 }, ptr %t91
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3863, i64 1, i64 0 }, ptr %t92
-  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3864, i64 1, i64 0 }, ptr %t93
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 6
-  store { ptr, i64, i64 } { ptr @.str.3865, i64 1, i64 0 }, ptr %t94
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 7
-  store { ptr, i64, i64 } { ptr @.str.3866, i64 1, i64 0 }, ptr %t95
-  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 8
-  store { ptr, i64, i64 } { ptr @.str.3867, i64 2, i64 0 }, ptr %t96
-  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 9
-  store { ptr, i64, i64 } { ptr @.str.3868, i64 2, i64 0 }, ptr %t97
-  %t98 = insertvalue { ptr, i64, i64 } undef, ptr %t87, 0
-  %t99 = insertvalue { ptr, i64, i64 } %t98, i64 10, 1
-  %t100 = insertvalue { ptr, i64, i64 } %t99, i64 10, 2
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t103 = call ptr @finch_alloc(i64 %t102)
-  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3869, i64 3, i64 0 }, ptr %t104
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3870, i64 3, i64 0 }, ptr %t105
-  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3871, i64 3, i64 0 }, ptr %t106
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3872, i64 4, i64 0 }, ptr %t107
-  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3873, i64 4, i64 0 }, ptr %t108
-  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3874, i64 3, i64 0 }, ptr %t109
-  %t110 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 6
-  store { ptr, i64, i64 } { ptr @.str.3875, i64 2, i64 0 }, ptr %t110
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 7
-  store { ptr, i64, i64 } { ptr @.str.3876, i64 3, i64 0 }, ptr %t111
-  %t112 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 8
-  store { ptr, i64, i64 } { ptr @.str.3877, i64 3, i64 0 }, ptr %t112
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 9
-  store { ptr, i64, i64 } { ptr @.str.3878, i64 4, i64 0 }, ptr %t113
-  %t114 = insertvalue { ptr, i64, i64 } undef, ptr %t103, 0
-  %t115 = insertvalue { ptr, i64, i64 } %t114, i64 10, 1
-  %t116 = insertvalue { ptr, i64, i64 } %t115, i64 10, 2
-  store { ptr, i64, i64 } %t116, ptr %a117
-  %t118 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t119 = load %S.ast.Type, ptr %t118
-  %t120 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t119)
-  br i1 %t120, label %then5895, label %endif5897
-then5895:
-  %t121 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t122 = call ptr @finch_alloc(i64 %t121)
-  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3879, i64 3, i64 0 }, ptr %t123
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3880, i64 3, i64 0 }, ptr %t124
-  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3881, i64 3, i64 0 }, ptr %t125
-  %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3882, i64 4, i64 0 }, ptr %t126
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3883, i64 4, i64 0 }, ptr %t127
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3884, i64 3, i64 0 }, ptr %t128
-  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 6
-  store { ptr, i64, i64 } { ptr @.str.3885, i64 2, i64 0 }, ptr %t129
-  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 7
-  store { ptr, i64, i64 } { ptr @.str.3886, i64 3, i64 0 }, ptr %t130
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 8
-  store { ptr, i64, i64 } { ptr @.str.3887, i64 3, i64 0 }, ptr %t131
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 9
-  store { ptr, i64, i64 } { ptr @.str.3888, i64 4, i64 0 }, ptr %t132
-  %t133 = insertvalue { ptr, i64, i64 } undef, ptr %t122, 0
-  %t134 = insertvalue { ptr, i64, i64 } %t133, i64 10, 1
-  %t135 = insertvalue { ptr, i64, i64 } %t134, i64 10, 2
-  store { ptr, i64, i64 } %t135, ptr %a117
-  br label %endif5897
-endif5897:
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %a101, i32 0, i32 1
-  %t137 = load { ptr, i64, i64 }, ptr %a2
-  store i64 -1, ptr %a138
-  %t139 = load i64, ptr %t136
-  %t140 = load ptr, ptr %a101
-  store i64 0, ptr %a141
-  br label %find.cond5898
-find.cond5898:
-  %t142 = load i64, ptr %a141
-  %t143 = icmp slt i64 %t142, %t139
-  br i1 %t143, label %find.body5899, label %find.end5902
-find.body5899:
-  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t140, i64 %t142
-  %t145 = load { ptr, i64, i64 }, ptr %t144
-  store { ptr, i64, i64 } %t145, ptr %a146
-  store { ptr, i64, i64 } %t137, ptr %a147
-  %t148 = call i32 @finch_str_eq(ptr %a146, ptr %a147)
-  %t149 = icmp ne i32 %t148, 0
-  br i1 %t149, label %find.hit5900, label %find.next5901
-find.hit5900:
-  store i64 %t142, ptr %a138
-  br label %find.end5902
-find.next5901:
-  %t150 = add i64 %t142, 1
-  store i64 %t150, ptr %a141
-  br label %find.cond5898
-find.end5902:
-  %t151 = load i64, ptr %a138
-  store i64 %t151, ptr %a152
-  %t153 = load i64, ptr %a152
-  %t154 = icmp slt i64 %t153, 0
-  br i1 %t154, label %then5903, label %endif5905
-then5903:
-  %t155 = load ptr, ptr %a1
-  %t156 = load { ptr, i64, i64 }, ptr %a2
-  %t157 = load %S.gen.Val, ptr %a6
-  %t158 = load %S.gen.Val, ptr %a10
-  %t159 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t155, { ptr, i64, i64 } %t156, %S.gen.Val %t157, %S.gen.Val %t158, %S.ast.Node %t159)
-  br label %endif5905
-endif5905:
-  %t160 = load ptr, ptr %a1
-  %t161 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t162 = load %S.ast.Type, ptr %t161
-  %t163 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t160, %S.ast.Type %t162)
-  store { ptr, i64, i64 } %t163, ptr %a164
-  %t165 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t165, ptr %a166
-  store { ptr, i64, i64 } { ptr @.str.3889, i64 1, i64 0 }, ptr %a167
-  %t168 = call i32 @finch_str_eq(ptr %a166, ptr %a167)
-  %t169 = icmp ne i32 %t168, 0
-  br label %logic.from5906
-logic.from5906:
-  br i1 %t169, label %logic.end5908, label %logic.rhs5907
-logic.rhs5907:
+  %t79 = load %S.gen.Val, ptr %a10
+  call void @finch.gen.release(ptr %t78, %S.gen.Val %t79)
+  %t80 = load ptr, ptr %a1
+  %t81 = load { ptr, i64, i64 }, ptr %a35
+  %t82 = call { ptr, i64, i64 } @finch.gen.load(ptr %t80, { ptr, i64, i64 } { ptr @.str.4023, i64 17, i64 0 }, { ptr, i64, i64 } %t81)
+  %t83 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t82, 0
+  %t84 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4024, i64 3, i64 0 })
+  %t85 = insertvalue %S.gen.Val %t83, %S.ast.Type %t84, 1
+  %t86 = insertvalue %S.gen.Val %t85, i1 true, 2
+  call void @finch_str_drop(ptr %a35)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t86
+endif6255:
+  %t87 = load ptr, ptr %a1
+  %t88 = call i1 @finch.gen.unify(ptr %t87, ptr %a6, ptr %a10)
+  %t89 = xor i1 %t88, true
+  br i1 %t89, label %then6256, label %endif6258
+then6256:
+  %t90 = load ptr, ptr %a1
+  %t91 = load { ptr, i64, i64 }, ptr %a2
+  %t92 = load %S.gen.Val, ptr %a6
+  %t93 = load %S.gen.Val, ptr %a10
+  %t94 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t90, { ptr, i64, i64 } %t91, %S.gen.Val %t92, %S.gen.Val %t93, %S.ast.Node %t94)
+  br label %endif6258
+endif6258:
+  %t95 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t96 = load %S.ast.Type, ptr %t95
+  %t97 = call i1 @finch.gen.isInt(%S.ast.Type %t96)
+  br i1 %t97, label %then6259, label %endif6261
+then6259:
+  %t98 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t99 = call ptr @finch_alloc(i64 %t98)
+  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4025, i64 1, i64 0 }, ptr %t100
+  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4026, i64 1, i64 0 }, ptr %t101
+  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4027, i64 1, i64 0 }, ptr %t102
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4028, i64 1, i64 0 }, ptr %t103
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4029, i64 1, i64 0 }, ptr %t104
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4030, i64 1, i64 0 }, ptr %t105
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 6
+  store { ptr, i64, i64 } { ptr @.str.4031, i64 1, i64 0 }, ptr %t106
+  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 7
+  store { ptr, i64, i64 } { ptr @.str.4032, i64 1, i64 0 }, ptr %t107
+  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 8
+  store { ptr, i64, i64 } { ptr @.str.4033, i64 2, i64 0 }, ptr %t108
+  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 9
+  store { ptr, i64, i64 } { ptr @.str.4034, i64 2, i64 0 }, ptr %t109
+  %t110 = insertvalue { ptr, i64, i64 } undef, ptr %t99, 0
+  %t111 = insertvalue { ptr, i64, i64 } %t110, i64 10, 1
+  %t112 = insertvalue { ptr, i64, i64 } %t111, i64 10, 2
+  store { ptr, i64, i64 } %t112, ptr %a113
+  %t114 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t115 = call ptr @finch_alloc(i64 %t114)
+  %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4035, i64 3, i64 0 }, ptr %t116
+  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4036, i64 3, i64 0 }, ptr %t117
+  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4037, i64 3, i64 0 }, ptr %t118
+  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4038, i64 4, i64 0 }, ptr %t119
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4039, i64 4, i64 0 }, ptr %t120
+  %t121 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4040, i64 3, i64 0 }, ptr %t121
+  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 6
+  store { ptr, i64, i64 } { ptr @.str.4041, i64 2, i64 0 }, ptr %t122
+  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 7
+  store { ptr, i64, i64 } { ptr @.str.4042, i64 3, i64 0 }, ptr %t123
+  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 8
+  store { ptr, i64, i64 } { ptr @.str.4043, i64 3, i64 0 }, ptr %t124
+  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 9
+  store { ptr, i64, i64 } { ptr @.str.4044, i64 4, i64 0 }, ptr %t125
+  %t126 = insertvalue { ptr, i64, i64 } undef, ptr %t115, 0
+  %t127 = insertvalue { ptr, i64, i64 } %t126, i64 10, 1
+  %t128 = insertvalue { ptr, i64, i64 } %t127, i64 10, 2
+  store { ptr, i64, i64 } %t128, ptr %a129
+  %t130 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t131 = load %S.ast.Type, ptr %t130
+  %t132 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t131)
+  br i1 %t132, label %then6262, label %endif6264
+then6262:
+  %t133 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t134 = call ptr @finch_alloc(i64 %t133)
+  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4045, i64 3, i64 0 }, ptr %t135
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4046, i64 3, i64 0 }, ptr %t136
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4047, i64 3, i64 0 }, ptr %t137
+  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4048, i64 4, i64 0 }, ptr %t138
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4049, i64 4, i64 0 }, ptr %t139
+  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4050, i64 3, i64 0 }, ptr %t140
+  %t141 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 6
+  store { ptr, i64, i64 } { ptr @.str.4051, i64 2, i64 0 }, ptr %t141
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 7
+  store { ptr, i64, i64 } { ptr @.str.4052, i64 3, i64 0 }, ptr %t142
+  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 8
+  store { ptr, i64, i64 } { ptr @.str.4053, i64 3, i64 0 }, ptr %t143
+  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 9
+  store { ptr, i64, i64 } { ptr @.str.4054, i64 4, i64 0 }, ptr %t144
+  %t145 = insertvalue { ptr, i64, i64 } undef, ptr %t134, 0
+  %t146 = insertvalue { ptr, i64, i64 } %t145, i64 10, 1
+  %t147 = insertvalue { ptr, i64, i64 } %t146, i64 10, 2
+  %t148 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t147, ptr %a129
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch.drop.arr_str(ptr %a149)
+  br label %endif6264
+endif6264:
+  %t150 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
+  %t151 = load { ptr, i64, i64 }, ptr %a2
+  store i64 -1, ptr %a152
+  %t153 = load i64, ptr %t150
+  %t154 = load ptr, ptr %a113
+  store i64 0, ptr %a155
+  br label %find.cond6265
+find.cond6265:
+  %t156 = load i64, ptr %a155
+  %t157 = icmp slt i64 %t156, %t153
+  br i1 %t157, label %find.body6266, label %find.end6269
+find.body6266:
+  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i64 %t156
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t159, ptr %a160
+  store { ptr, i64, i64 } %t151, ptr %a161
+  %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
+  %t163 = icmp ne i32 %t162, 0
+  br i1 %t163, label %find.hit6267, label %find.next6268
+find.hit6267:
+  store i64 %t156, ptr %a152
+  br label %find.end6269
+find.next6268:
+  %t164 = add i64 %t156, 1
+  store i64 %t164, ptr %a155
+  br label %find.cond6265
+find.end6269:
+  %t165 = load i64, ptr %a152
+  store i64 %t165, ptr %a166
+  %t167 = load i64, ptr %a166
+  %t168 = icmp slt i64 %t167, 0
+  br i1 %t168, label %then6270, label %endif6272
+then6270:
+  %t169 = load ptr, ptr %a1
   %t170 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t170, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.3890, i64 1, i64 0 }, ptr %a172
-  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
-  %t174 = icmp ne i32 %t173, 0
-  br label %logic.rend5909
-logic.rend5909:
-  br label %logic.end5908
-logic.end5908:
-  %t175 = phi i1 [ true, %logic.from5906 ], [ %t174, %logic.rend5909 ]
-  br i1 %t175, label %then5910, label %endif5912
-then5910:
-  %t176 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
-  %t177 = load i1, ptr %t176
-  br label %logic.from5913
-logic.from5913:
-  br i1 %t177, label %logic.rhs5914, label %logic.end5915
-logic.rhs5914:
-  %t178 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
+  %t171 = load %S.gen.Val, ptr %a6
+  %t172 = load %S.gen.Val, ptr %a10
+  %t173 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t169, { ptr, i64, i64 } %t170, %S.gen.Val %t171, %S.gen.Val %t172, %S.ast.Node %t173)
+  br label %endif6272
+endif6272:
+  %t174 = load ptr, ptr %a1
+  %t175 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t176 = load %S.ast.Type, ptr %t175
+  %t177 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t174, %S.ast.Type %t176)
+  store { ptr, i64, i64 } %t177, ptr %a178
+  %t179 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t179, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.3891, i64 1, i64 0 }, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.4055, i64 1, i64 0 }, ptr %a181
   %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
   %t183 = icmp ne i32 %t182, 0
-  br label %logic.rend5916
-logic.rend5916:
-  br label %logic.end5915
-logic.end5915:
-  %t184 = phi i1 [ false, %logic.from5913 ], [ %t183, %logic.rend5916 ]
-  br i1 %t184, label %then5917, label %endif5919
-then5917:
-  %t185 = load ptr, ptr %a1
-  %t186 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.fail(ptr %t185, %S.ast.Node %t186, { ptr, i64, i64 } { ptr @.str.3892, i64 16, i64 0 })
-  br label %endif5919
-endif5919:
-  %t187 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
-  %t188 = load i1, ptr %t187
-  %t189 = xor i1 %t188, true
-  br i1 %t189, label %then5920, label %endif5922
-then5920:
-  %t190 = load ptr, ptr %a1
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.3893, i64 8, i64 0 }, ptr %a194
-  store { ptr, i64, i64 } %t192, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  store { ptr, i64, i64 } %t196, ptr %a198
-  store { ptr, i64, i64 } { ptr @.str.3894, i64 1, i64 0 }, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  %t201 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  store { ptr, i64, i64 } %t200, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  store { ptr, i64, i64 } %t206, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.3895, i64 3, i64 0 }, ptr %a209
+  br label %logic.from6273
+logic.from6273:
+  br i1 %t183, label %logic.end6275, label %logic.rhs6274
+logic.rhs6274:
+  %t184 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t184, ptr %a185
+  store { ptr, i64, i64 } { ptr @.str.4056, i64 1, i64 0 }, ptr %a186
+  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
+  %t188 = icmp ne i32 %t187, 0
+  br label %logic.rend6276
+logic.rend6276:
+  br label %logic.end6275
+logic.end6275:
+  %t189 = phi i1 [ true, %logic.from6273 ], [ %t188, %logic.rend6276 ]
+  br i1 %t189, label %then6277, label %endif6279
+then6277:
+  %t190 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
+  %t191 = load i1, ptr %t190
+  br label %logic.from6280
+logic.from6280:
+  br i1 %t191, label %logic.rhs6281, label %logic.end6282
+logic.rhs6281:
+  %t192 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  store { ptr, i64, i64 } %t193, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.4057, i64 1, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br label %logic.rend6283
+logic.rend6283:
+  br label %logic.end6282
+logic.end6282:
+  %t198 = phi i1 [ false, %logic.from6280 ], [ %t197, %logic.rend6283 ]
+  br i1 %t198, label %then6284, label %endif6286
+then6284:
+  %t199 = load ptr, ptr %a1
+  %t200 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.fail(ptr %t199, %S.ast.Node %t200, { ptr, i64, i64 } { ptr @.str.4058, i64 16, i64 0 })
+  br label %endif6286
+endif6286:
+  %t201 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
+  %t202 = load i1, ptr %t201
+  %t203 = xor i1 %t202, true
+  br i1 %t203, label %then6287, label %endif6289
+then6287:
+  %t204 = load ptr, ptr %a1
+  %t205 = load ptr, ptr %a1
+  %t206 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.4059, i64 8, i64 0 }, ptr %a208
+  store { ptr, i64, i64 } %t206, ptr %a209
   call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
   %t210 = load { ptr, i64, i64 }, ptr %a207
-  %t211 = call { ptr, i64, i64 } @finch.gen.op(ptr %t191, { ptr, i64, i64 } %t210)
-  %t212 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.panicIf(ptr %t190, { ptr, i64, i64 } %t211, { ptr, i64, i64 } { ptr @.str.3896, i64 16, i64 0 }, %S.ast.Node %t212)
-  br label %endif5922
-endif5922:
-  br label %endif5912
-endif5912:
-  %t213 = load ptr, ptr %a1
-  %t214 = load i64, ptr %a152
-  %t215 = load { ptr, i64, i64 }, ptr %a117
-  %t216 = extractvalue { ptr, i64, i64 } %t215, 1
-  %t217 = icmp uge i64 %t214, %t216
-  br i1 %t217, label %range5923, label %inrange5924
-range5923:
-  call void @finch_panic_index(ptr @.str.3897, i64 3145, i64 %t214, i64 %t216)
+  store { ptr, i64, i64 } %t210, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.4060, i64 1, i64 0 }, ptr %a213
+  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
+  store { ptr, i64, i64 } %t210, ptr %a214
+  call void @finch_str_drop(ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a211
+  %t216 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } %t215, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t215, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t222, ptr %a224
+  store { ptr, i64, i64 } { ptr @.str.4061, i64 3, i64 0 }, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t222, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = call { ptr, i64, i64 } @finch.gen.op(ptr %t205, { ptr, i64, i64 } %t227)
+  store { ptr, i64, i64 } %t227, ptr %a229
+  call void @finch_str_drop(ptr %a229)
+  %t230 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.panicIf(ptr %t204, { ptr, i64, i64 } %t228, { ptr, i64, i64 } { ptr @.str.4062, i64 16, i64 0 }, %S.ast.Node %t230)
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_drop(ptr %a231)
+  br label %endif6289
+endif6289:
+  br label %endif6279
+endif6279:
+  %t232 = load ptr, ptr %a1
+  %t233 = load i64, ptr %a166
+  %t234 = load { ptr, i64, i64 }, ptr %a129
+  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
+  %t236 = icmp uge i64 %t233, %t235
+  br i1 %t236, label %range6290, label %inrange6291
+range6290:
+  call void @finch_panic_index(ptr @.str.4063, i64 3402, i64 %t233, i64 %t235)
   unreachable
-inrange5924:
-  %t218 = extractvalue { ptr, i64, i64 } %t215, 0
-  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i64 %t214
-  %t220 = load { ptr, i64, i64 }, ptr %t219
-  store { ptr, i64, i64 } %t220, ptr %a222
-  store { ptr, i64, i64 } { ptr @.str.3898, i64 1, i64 0 }, ptr %a223
-  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
-  %t224 = load { ptr, i64, i64 }, ptr %a221
-  %t225 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t224, ptr %a227
-  store { ptr, i64, i64 } %t225, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  store { ptr, i64, i64 } %t229, ptr %a231
-  store { ptr, i64, i64 } { ptr @.str.3899, i64 1, i64 0 }, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  %t234 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  store { ptr, i64, i64 } %t233, ptr %a237
-  store { ptr, i64, i64 } %t235, ptr %a238
-  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
+inrange6291:
+  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
+  %t238 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 %t233
+  %t239 = load { ptr, i64, i64 }, ptr %t238
   store { ptr, i64, i64 } %t239, ptr %a241
-  store { ptr, i64, i64 } { ptr @.str.3900, i64 2, i64 0 }, ptr %a242
+  store { ptr, i64, i64 } { ptr @.str.4064, i64 1, i64 0 }, ptr %a242
   call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
   %t243 = load { ptr, i64, i64 }, ptr %a240
-  %t244 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t245 = load { ptr, i64, i64 }, ptr %t244
-  store { ptr, i64, i64 } %t243, ptr %a247
-  store { ptr, i64, i64 } %t245, ptr %a248
-  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
-  %t249 = load { ptr, i64, i64 }, ptr %a246
-  %t250 = call { ptr, i64, i64 } @finch.gen.op(ptr %t213, { ptr, i64, i64 } %t249)
-  %t251 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t250, 0
-  %t252 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t253 = load %S.ast.Type, ptr %t252
-  store %S.ast.Type %t253, ptr %a254
-  call void @finch.copy.S_ast_Type(ptr %a255, ptr %a254)
-  %t256 = load %S.ast.Type, ptr %a255
-  %t257 = insertvalue %S.gen.Val %t251, %S.ast.Type %t256, 1
-  ret %S.gen.Val %t257
-endif5894:
-  %t258 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t259 = load %S.ast.Type, ptr %t258
-  %t260 = call i1 @finch.gen.isFloat(%S.ast.Type %t259)
-  br i1 %t260, label %then5925, label %endif5927
-then5925:
-  %t261 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t262 = call ptr @finch_alloc(i64 %t261)
-  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3901, i64 1, i64 0 }, ptr %t263
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3902, i64 1, i64 0 }, ptr %t264
-  %t265 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3903, i64 1, i64 0 }, ptr %t265
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3904, i64 1, i64 0 }, ptr %t266
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3905, i64 1, i64 0 }, ptr %t267
-  %t268 = insertvalue { ptr, i64, i64 } undef, ptr %t262, 0
-  %t269 = insertvalue { ptr, i64, i64 } %t268, i64 5, 1
-  %t270 = insertvalue { ptr, i64, i64 } %t269, i64 5, 2
-  store { ptr, i64, i64 } %t270, ptr %a271
-  %t272 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t273 = call ptr @finch_alloc(i64 %t272)
-  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3906, i64 4, i64 0 }, ptr %t274
-  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3907, i64 4, i64 0 }, ptr %t275
-  %t276 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3908, i64 4, i64 0 }, ptr %t276
-  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3909, i64 4, i64 0 }, ptr %t277
-  %t278 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3910, i64 4, i64 0 }, ptr %t278
-  %t279 = insertvalue { ptr, i64, i64 } undef, ptr %t273, 0
-  %t280 = insertvalue { ptr, i64, i64 } %t279, i64 5, 1
-  %t281 = insertvalue { ptr, i64, i64 } %t280, i64 5, 2
-  store { ptr, i64, i64 } %t281, ptr %a282
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t284 = load { ptr, i64, i64 }, ptr %a2
-  store i64 -1, ptr %a285
-  %t286 = load i64, ptr %t283
-  %t287 = load ptr, ptr %a271
-  store i64 0, ptr %a288
-  br label %find.cond5928
-find.cond5928:
-  %t289 = load i64, ptr %a288
-  %t290 = icmp slt i64 %t289, %t286
-  br i1 %t290, label %find.body5929, label %find.end5932
-find.body5929:
-  %t291 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 %t289
-  %t292 = load { ptr, i64, i64 }, ptr %t291
-  store { ptr, i64, i64 } %t292, ptr %a293
-  store { ptr, i64, i64 } %t284, ptr %a294
-  %t295 = call i32 @finch_str_eq(ptr %a293, ptr %a294)
-  %t296 = icmp ne i32 %t295, 0
-  br i1 %t296, label %find.hit5930, label %find.next5931
-find.hit5930:
-  store i64 %t289, ptr %a285
-  br label %find.end5932
-find.next5931:
-  %t297 = add i64 %t289, 1
-  store i64 %t297, ptr %a288
-  br label %find.cond5928
-find.end5932:
-  %t298 = load i64, ptr %a285
-  store i64 %t298, ptr %a299
-  %t300 = load i64, ptr %a299
-  %t301 = icmp slt i64 %t300, 0
-  br i1 %t301, label %then5933, label %endif5935
-then5933:
-  %t302 = load ptr, ptr %a1
-  %t303 = load { ptr, i64, i64 }, ptr %a2
-  %t304 = load %S.gen.Val, ptr %a6
-  %t305 = load %S.gen.Val, ptr %a10
-  %t306 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t302, { ptr, i64, i64 } %t303, %S.gen.Val %t304, %S.gen.Val %t305, %S.ast.Node %t306)
-  br label %endif5935
-endif5935:
-  %t307 = load ptr, ptr %a1
-  %t308 = load i64, ptr %a299
-  %t309 = load { ptr, i64, i64 }, ptr %a282
-  %t310 = extractvalue { ptr, i64, i64 } %t309, 1
-  %t311 = icmp uge i64 %t308, %t310
-  br i1 %t311, label %range5936, label %inrange5937
-range5936:
-  call void @finch_panic_index(ptr @.str.3911, i64 3154, i64 %t308, i64 %t310)
+  %t244 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t243, ptr %a246
+  store { ptr, i64, i64 } %t244, ptr %a247
+  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
+  store { ptr, i64, i64 } %t243, ptr %a248
+  call void @finch_str_drop(ptr %a248)
+  %t249 = load { ptr, i64, i64 }, ptr %a245
+  store { ptr, i64, i64 } %t249, ptr %a251
+  store { ptr, i64, i64 } { ptr @.str.4065, i64 1, i64 0 }, ptr %a252
+  call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
+  store { ptr, i64, i64 } %t249, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a250
+  %t255 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t256 = load { ptr, i64, i64 }, ptr %t255
+  store { ptr, i64, i64 } %t254, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t254, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } %t261, ptr %a263
+  store { ptr, i64, i64 } { ptr @.str.4066, i64 2, i64 0 }, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  store { ptr, i64, i64 } %t261, ptr %a265
+  call void @finch_str_drop(ptr %a265)
+  %t266 = load { ptr, i64, i64 }, ptr %a262
+  %t267 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t268 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t266, ptr %a270
+  store { ptr, i64, i64 } %t268, ptr %a271
+  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
+  store { ptr, i64, i64 } %t266, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a269
+  %t274 = call { ptr, i64, i64 } @finch.gen.op(ptr %t232, { ptr, i64, i64 } %t273)
+  store { ptr, i64, i64 } %t273, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t274, 0
+  %t277 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t278 = load %S.ast.Type, ptr %t277
+  store %S.ast.Type %t278, ptr %a279
+  call void @finch.copy.S_ast_Type(ptr %a280, ptr %a279)
+  %t281 = load %S.ast.Type, ptr %a280
+  %t282 = insertvalue %S.gen.Val %t276, %S.ast.Type %t281, 1
+  call void @finch_str_drop(ptr %a178)
+  call void @finch.drop.arr_str(ptr %a129)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t282
+endif6261:
+  %t283 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t284 = load %S.ast.Type, ptr %t283
+  %t285 = call i1 @finch.gen.isFloat(%S.ast.Type %t284)
+  br i1 %t285, label %then6292, label %endif6294
+then6292:
+  %t286 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t287 = call ptr @finch_alloc(i64 %t286)
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4067, i64 1, i64 0 }, ptr %t288
+  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4068, i64 1, i64 0 }, ptr %t289
+  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4069, i64 1, i64 0 }, ptr %t290
+  %t291 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4070, i64 1, i64 0 }, ptr %t291
+  %t292 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4071, i64 1, i64 0 }, ptr %t292
+  %t293 = insertvalue { ptr, i64, i64 } undef, ptr %t287, 0
+  %t294 = insertvalue { ptr, i64, i64 } %t293, i64 5, 1
+  %t295 = insertvalue { ptr, i64, i64 } %t294, i64 5, 2
+  store { ptr, i64, i64 } %t295, ptr %a296
+  %t297 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t298 = call ptr @finch_alloc(i64 %t297)
+  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4072, i64 4, i64 0 }, ptr %t299
+  %t300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4073, i64 4, i64 0 }, ptr %t300
+  %t301 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4074, i64 4, i64 0 }, ptr %t301
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4075, i64 4, i64 0 }, ptr %t302
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4076, i64 4, i64 0 }, ptr %t303
+  %t304 = insertvalue { ptr, i64, i64 } undef, ptr %t298, 0
+  %t305 = insertvalue { ptr, i64, i64 } %t304, i64 5, 1
+  %t306 = insertvalue { ptr, i64, i64 } %t305, i64 5, 2
+  store { ptr, i64, i64 } %t306, ptr %a307
+  %t308 = getelementptr inbounds { ptr, i64, i64 }, ptr %a296, i32 0, i32 1
+  %t309 = load { ptr, i64, i64 }, ptr %a2
+  store i64 -1, ptr %a310
+  %t311 = load i64, ptr %t308
+  %t312 = load ptr, ptr %a296
+  store i64 0, ptr %a313
+  br label %find.cond6295
+find.cond6295:
+  %t314 = load i64, ptr %a313
+  %t315 = icmp slt i64 %t314, %t311
+  br i1 %t315, label %find.body6296, label %find.end6299
+find.body6296:
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t312, i64 %t314
+  %t317 = load { ptr, i64, i64 }, ptr %t316
+  store { ptr, i64, i64 } %t317, ptr %a318
+  store { ptr, i64, i64 } %t309, ptr %a319
+  %t320 = call i32 @finch_str_eq(ptr %a318, ptr %a319)
+  %t321 = icmp ne i32 %t320, 0
+  br i1 %t321, label %find.hit6297, label %find.next6298
+find.hit6297:
+  store i64 %t314, ptr %a310
+  br label %find.end6299
+find.next6298:
+  %t322 = add i64 %t314, 1
+  store i64 %t322, ptr %a313
+  br label %find.cond6295
+find.end6299:
+  %t323 = load i64, ptr %a310
+  store i64 %t323, ptr %a324
+  %t325 = load i64, ptr %a324
+  %t326 = icmp slt i64 %t325, 0
+  br i1 %t326, label %then6300, label %endif6302
+then6300:
+  %t327 = load ptr, ptr %a1
+  %t328 = load { ptr, i64, i64 }, ptr %a2
+  %t329 = load %S.gen.Val, ptr %a6
+  %t330 = load %S.gen.Val, ptr %a10
+  %t331 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t327, { ptr, i64, i64 } %t328, %S.gen.Val %t329, %S.gen.Val %t330, %S.ast.Node %t331)
+  br label %endif6302
+endif6302:
+  %t332 = load ptr, ptr %a1
+  %t333 = load i64, ptr %a324
+  %t334 = load { ptr, i64, i64 }, ptr %a307
+  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
+  %t336 = icmp uge i64 %t333, %t335
+  br i1 %t336, label %range6303, label %inrange6304
+range6303:
+  call void @finch_panic_index(ptr @.str.4077, i64 3411, i64 %t333, i64 %t335)
   unreachable
-inrange5937:
-  %t312 = extractvalue { ptr, i64, i64 } %t309, 0
-  %t313 = getelementptr inbounds { ptr, i64, i64 }, ptr %t312, i64 %t308
-  %t314 = load { ptr, i64, i64 }, ptr %t313
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.3912, i64 1, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = load ptr, ptr %a1
-  %t320 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t321 = load %S.ast.Type, ptr %t320
-  %t322 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t319, %S.ast.Type %t321)
-  store { ptr, i64, i64 } %t318, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.3913, i64 1, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  %t331 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t332 = load { ptr, i64, i64 }, ptr %t331
-  store { ptr, i64, i64 } %t330, ptr %a334
-  store { ptr, i64, i64 } %t332, ptr %a335
-  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
-  %t336 = load { ptr, i64, i64 }, ptr %a333
-  store { ptr, i64, i64 } %t336, ptr %a338
-  store { ptr, i64, i64 } { ptr @.str.3914, i64 2, i64 0 }, ptr %a339
-  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
-  %t340 = load { ptr, i64, i64 }, ptr %a337
-  %t341 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t342 = load { ptr, i64, i64 }, ptr %t341
-  store { ptr, i64, i64 } %t340, ptr %a344
-  store { ptr, i64, i64 } %t342, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  %t347 = call { ptr, i64, i64 } @finch.gen.op(ptr %t307, { ptr, i64, i64 } %t346)
-  %t348 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t347, 0
-  %t349 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t350 = load %S.ast.Type, ptr %t349
-  store %S.ast.Type %t350, ptr %a351
-  call void @finch.copy.S_ast_Type(ptr %a352, ptr %a351)
-  %t353 = load %S.ast.Type, ptr %a352
-  %t354 = insertvalue %S.gen.Val %t348, %S.ast.Type %t353, 1
-  ret %S.gen.Val %t354
-endif5927:
-  %t355 = load ptr, ptr %a1
-  %t356 = load { ptr, i64, i64 }, ptr %a2
-  %t357 = load %S.gen.Val, ptr %a6
-  %t358 = load %S.gen.Val, ptr %a10
-  %t359 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t355, { ptr, i64, i64 } %t356, %S.gen.Val %t357, %S.gen.Val %t358, %S.ast.Node %t359)
-  %t360 = load %S.gen.Val, ptr %a6
-  store %S.gen.Val %t360, ptr %a361
-  call void @finch.copy.S_gen_Val(ptr %a362, ptr %a361)
-  %t363 = load %S.gen.Val, ptr %a362
-  ret %S.gen.Val %t363
+inrange6304:
+  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
+  %t338 = getelementptr inbounds { ptr, i64, i64 }, ptr %t337, i64 %t333
+  %t339 = load { ptr, i64, i64 }, ptr %t338
+  store { ptr, i64, i64 } %t339, ptr %a341
+  store { ptr, i64, i64 } { ptr @.str.4078, i64 1, i64 0 }, ptr %a342
+  call void @finch_str_concat(ptr %a340, ptr %a341, ptr %a342)
+  %t343 = load { ptr, i64, i64 }, ptr %a340
+  %t344 = load ptr, ptr %a1
+  %t345 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t346 = load %S.ast.Type, ptr %t345
+  %t347 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t344, %S.ast.Type %t346)
+  store { ptr, i64, i64 } %t343, ptr %a349
+  store { ptr, i64, i64 } %t347, ptr %a350
+  call void @finch_str_concat(ptr %a348, ptr %a349, ptr %a350)
+  store { ptr, i64, i64 } %t343, ptr %a351
+  call void @finch_str_drop(ptr %a351)
+  store { ptr, i64, i64 } %t347, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a348
+  store { ptr, i64, i64 } %t353, ptr %a355
+  store { ptr, i64, i64 } { ptr @.str.4079, i64 1, i64 0 }, ptr %a356
+  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
+  store { ptr, i64, i64 } %t353, ptr %a357
+  call void @finch_str_drop(ptr %a357)
+  %t358 = load { ptr, i64, i64 }, ptr %a354
+  %t359 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t360 = load { ptr, i64, i64 }, ptr %t359
+  store { ptr, i64, i64 } %t358, ptr %a362
+  store { ptr, i64, i64 } %t360, ptr %a363
+  call void @finch_str_concat(ptr %a361, ptr %a362, ptr %a363)
+  store { ptr, i64, i64 } %t358, ptr %a364
+  call void @finch_str_drop(ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a361
+  store { ptr, i64, i64 } %t365, ptr %a367
+  store { ptr, i64, i64 } { ptr @.str.4080, i64 2, i64 0 }, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  store { ptr, i64, i64 } %t365, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = load { ptr, i64, i64 }, ptr %a366
+  %t371 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t372 = load { ptr, i64, i64 }, ptr %t371
+  store { ptr, i64, i64 } %t370, ptr %a374
+  store { ptr, i64, i64 } %t372, ptr %a375
+  call void @finch_str_concat(ptr %a373, ptr %a374, ptr %a375)
+  store { ptr, i64, i64 } %t370, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = load { ptr, i64, i64 }, ptr %a373
+  %t378 = call { ptr, i64, i64 } @finch.gen.op(ptr %t332, { ptr, i64, i64 } %t377)
+  store { ptr, i64, i64 } %t377, ptr %a379
+  call void @finch_str_drop(ptr %a379)
+  %t380 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t378, 0
+  %t381 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t382 = load %S.ast.Type, ptr %t381
+  store %S.ast.Type %t382, ptr %a383
+  call void @finch.copy.S_ast_Type(ptr %a384, ptr %a383)
+  %t385 = load %S.ast.Type, ptr %a384
+  %t386 = insertvalue %S.gen.Val %t380, %S.ast.Type %t385, 1
+  call void @finch.drop.arr_str(ptr %a307)
+  call void @finch.drop.arr_str(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t386
+endif6294:
+  %t387 = load ptr, ptr %a1
+  %t388 = load { ptr, i64, i64 }, ptr %a2
+  %t389 = load %S.gen.Val, ptr %a6
+  %t390 = load %S.gen.Val, ptr %a10
+  %t391 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t387, { ptr, i64, i64 } %t388, %S.gen.Val %t389, %S.gen.Val %t390, %S.ast.Node %t391)
+  %t392 = load %S.gen.Val, ptr %a6
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  ret %S.gen.Val %t392
 }
 
 define internal %S.gen.Val @finch.gen.compare(ptr %p0, { ptr, i64, i64 } %p1, %S.gen.Val %p2, %S.gen.Val %p3, %S.ast.Node %p4) {
@@ -53370,155 +63085,212 @@ entry:
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
   %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca i64, align 16
-  %a282 = alloca i64, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
-  %a301 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca i64, align 16
+  %a330 = alloca i64, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
   %a348 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
   %a351 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
   %a361 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
   %a367 = alloca { ptr, i64, i64 }, align 16
   %a368 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
   %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
   %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a403 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
   %a425 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
   %a430 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
   %a438 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
   %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
   %a448 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a458 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a515 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a517 = alloca { ptr, i64, i64 }, align 16
+  %a519 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.gen.Val %p2, ptr %a3
@@ -53532,623 +63304,774 @@ entry:
   store %S.ast.Node %p4, ptr %a11
   %t12 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.3915, i64 2, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.4081, i64 2, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from5938
-logic.from5938:
-  br i1 %t16, label %logic.end5940, label %logic.rhs5939
-logic.rhs5939:
+  br label %logic.from6305
+logic.from6305:
+  br i1 %t16, label %logic.end6307, label %logic.rhs6306
+logic.rhs6306:
   %t17 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.3916, i64 2, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.4082, i64 2, i64 0 }, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp ne i32 %t20, 0
-  br label %logic.rend5941
-logic.rend5941:
-  br label %logic.end5940
-logic.end5940:
-  %t22 = phi i1 [ true, %logic.from5938 ], [ %t21, %logic.rend5941 ]
+  br label %logic.rend6308
+logic.rend6308:
+  br label %logic.end6307
+logic.end6307:
+  %t22 = phi i1 [ true, %logic.from6305 ], [ %t21, %logic.rend6308 ]
   store i1 %t22, ptr %a23
   %t24 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t25 = getelementptr inbounds %S.ast.Type, ptr %t24, i32 0, i32 0
   %t26 = load { ptr, i64, i64 }, ptr %t25
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.3917, i64 3, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.4083, i64 3, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br label %logic.from5942
-logic.from5942:
-  br i1 %t30, label %logic.end5944, label %logic.rhs5943
-logic.rhs5943:
+  br label %logic.from6309
+logic.from6309:
+  br i1 %t30, label %logic.end6311, label %logic.rhs6310
+logic.rhs6310:
   %t31 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i32 0, i32 0
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3918, i64 3, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.4084, i64 3, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br label %logic.rend5945
-logic.rend5945:
-  br label %logic.end5944
-logic.end5944:
-  %t38 = phi i1 [ true, %logic.from5942 ], [ %t37, %logic.rend5945 ]
-  br label %logic.from5946
-logic.from5946:
-  br i1 %t38, label %logic.end5948, label %logic.rhs5947
-logic.rhs5947:
+  br label %logic.rend6312
+logic.rend6312:
+  br label %logic.end6311
+logic.end6311:
+  %t38 = phi i1 [ true, %logic.from6309 ], [ %t37, %logic.rend6312 ]
+  br label %logic.from6313
+logic.from6313:
+  br i1 %t38, label %logic.end6315, label %logic.rhs6314
+logic.rhs6314:
   %t39 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t40 = getelementptr inbounds %S.ast.Type, ptr %t39, i32 0, i32 0
   %t41 = load { ptr, i64, i64 }, ptr %t40
   store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.3919, i64 4, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.4085, i64 4, i64 0 }, ptr %a43
   %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
   %t45 = icmp ne i32 %t44, 0
-  br label %logic.rend5949
-logic.rend5949:
-  br label %logic.end5948
-logic.end5948:
-  %t46 = phi i1 [ true, %logic.from5946 ], [ %t45, %logic.rend5949 ]
-  br label %logic.from5950
-logic.from5950:
-  br i1 %t46, label %logic.end5952, label %logic.rhs5951
-logic.rhs5951:
+  br label %logic.rend6316
+logic.rend6316:
+  br label %logic.end6315
+logic.end6315:
+  %t46 = phi i1 [ true, %logic.from6313 ], [ %t45, %logic.rend6316 ]
+  br label %logic.from6317
+logic.from6317:
+  br i1 %t46, label %logic.end6319, label %logic.rhs6318
+logic.rhs6318:
   %t47 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t48 = getelementptr inbounds %S.ast.Type, ptr %t47, i32 0, i32 0
   %t49 = load { ptr, i64, i64 }, ptr %t48
   store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.3920, i64 4, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.4086, i64 4, i64 0 }, ptr %a51
   %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
   %t53 = icmp ne i32 %t52, 0
-  br label %logic.rend5953
-logic.rend5953:
-  br label %logic.end5952
-logic.end5952:
-  %t54 = phi i1 [ true, %logic.from5950 ], [ %t53, %logic.rend5953 ]
-  br i1 %t54, label %then5954, label %endif5956
-then5954:
+  br label %logic.rend6320
+logic.rend6320:
+  br label %logic.end6319
+logic.end6319:
+  %t54 = phi i1 [ true, %logic.from6317 ], [ %t53, %logic.rend6320 ]
+  br i1 %t54, label %then6321, label %endif6323
+then6321:
   %t55 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t56 = getelementptr inbounds %S.ast.Type, ptr %t55, i32 0, i32 0
   %t57 = load { ptr, i64, i64 }, ptr %t56
   store { ptr, i64, i64 } %t57, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.3921, i64 3, i64 0 }, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.4087, i64 3, i64 0 }, ptr %a59
   %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
   %t61 = icmp ne i32 %t60, 0
-  br label %logic.from5957
-logic.from5957:
-  br i1 %t61, label %logic.end5959, label %logic.rhs5958
-logic.rhs5958:
+  br label %logic.from6324
+logic.from6324:
+  br i1 %t61, label %logic.end6326, label %logic.rhs6325
+logic.rhs6325:
   %t62 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t63 = getelementptr inbounds %S.ast.Type, ptr %t62, i32 0, i32 0
   %t64 = load { ptr, i64, i64 }, ptr %t63
   store { ptr, i64, i64 } %t64, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.3922, i64 3, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4088, i64 3, i64 0 }, ptr %a66
   %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
   %t68 = icmp ne i32 %t67, 0
-  br label %logic.rend5960
-logic.rend5960:
-  br label %logic.end5959
-logic.end5959:
-  %t69 = phi i1 [ true, %logic.from5957 ], [ %t68, %logic.rend5960 ]
-  br i1 %t69, label %then5961, label %endif5963
-then5961:
+  br label %logic.rend6327
+logic.rend6327:
+  br label %logic.end6326
+logic.end6326:
+  %t69 = phi i1 [ true, %logic.from6324 ], [ %t68, %logic.rend6327 ]
+  br i1 %t69, label %then6328, label %endif6330
+then6328:
   %t70 = load ptr, ptr %a1
   %t71 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t71, { ptr, i64, i64 } { ptr @.str.3923, i64 59, i64 0 })
-  br label %endif5963
-endif5963:
+  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t71, { ptr, i64, i64 } { ptr @.str.4089, i64 59, i64 0 })
+  br label %endif6330
+endif6330:
   %t72 = load i1, ptr %a23
   %t73 = xor i1 %t72, true
-  br i1 %t73, label %then5964, label %endif5966
-then5964:
+  br i1 %t73, label %then6331, label %endif6333
+then6331:
   %t74 = load ptr, ptr %a1
   %t75 = load { ptr, i64, i64 }, ptr %a2
   %t76 = load %S.gen.Val, ptr %a6
   %t77 = load %S.gen.Val, ptr %a10
   %t78 = load %S.ast.Node, ptr %a11
   call void @finch.gen.badOperands(ptr %t74, { ptr, i64, i64 } %t75, %S.gen.Val %t76, %S.gen.Val %t77, %S.ast.Node %t78)
-  br label %endif5966
-endif5966:
-  store { ptr, i64, i64 } { ptr @.str.3924, i64 2, i64 0 }, ptr %a79
+  br label %endif6333
+endif6333:
+  store { ptr, i64, i64 } { ptr @.str.4090, i64 2, i64 0 }, ptr %a79
   %t80 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.3925, i64 2, i64 0 }, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.4091, i64 2, i64 0 }, ptr %a82
   %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
   %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %then5967, label %endif5969
-then5967:
-  store { ptr, i64, i64 } { ptr @.str.3926, i64 2, i64 0 }, ptr %a79
-  br label %endif5969
-endif5969:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.3927, i64 5, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.3928, i64 5, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t96 = load { ptr, i64, i64 }, ptr %t95
-  store { ptr, i64, i64 } %t94, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.3929, i64 2, i64 0 }, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  %t105 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t106 = load { ptr, i64, i64 }, ptr %t105
+  br i1 %t84, label %then6334, label %endif6336
+then6334:
+  %t85 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4092, i64 2, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  br label %endif6336
+endif6336:
+  %t87 = load ptr, ptr %a1
+  %t88 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4093, i64 5, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4094, i64 5, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t99 = load { ptr, i64, i64 }, ptr %t98
+  store { ptr, i64, i64 } %t97, ptr %a101
+  store { ptr, i64, i64 } %t99, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t97, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.4095, i64 2, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
   store { ptr, i64, i64 } %t104, ptr %a108
-  store { ptr, i64, i64 } %t106, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  %t111 = call { ptr, i64, i64 } @finch.gen.op(ptr %t85, { ptr, i64, i64 } %t110)
-  %t112 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t111, 0
-  %t113 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3930, i64 4, i64 0 })
-  %t114 = insertvalue %S.gen.Val %t112, %S.ast.Type %t113, 1
-  ret %S.gen.Val %t114
-endif5956:
-  %t115 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i32 0, i32 0
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.3931, i64 3, i64 0 }, ptr %a119
-  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
-  %t121 = icmp ne i32 %t120, 0
-  br label %logic.from5970
-logic.from5970:
-  br i1 %t121, label %logic.rhs5971, label %logic.end5972
-logic.rhs5971:
-  %t122 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t111 = load { ptr, i64, i64 }, ptr %t110
+  store { ptr, i64, i64 } %t109, ptr %a113
+  store { ptr, i64, i64 } %t111, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  store { ptr, i64, i64 } %t109, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a112
+  %t117 = call { ptr, i64, i64 } @finch.gen.op(ptr %t87, { ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t116, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t117, 0
+  %t120 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4096, i64 4, i64 0 })
+  %t121 = insertvalue %S.gen.Val %t119, %S.ast.Type %t120, 1
+  call void @finch_str_drop(ptr %a79)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t121
+endif6323:
+  %t122 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t123 = getelementptr inbounds %S.ast.Type, ptr %t122, i32 0, i32 0
   %t124 = load { ptr, i64, i64 }, ptr %t123
   store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.3932, i64 3, i64 0 }, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.4097, i64 3, i64 0 }, ptr %a126
   %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
   %t128 = icmp ne i32 %t127, 0
-  br label %logic.rend5973
-logic.rend5973:
-  br label %logic.end5972
-logic.end5972:
-  %t129 = phi i1 [ false, %logic.from5970 ], [ %t128, %logic.rend5973 ]
-  br i1 %t129, label %then5974, label %endif5976
-then5974:
-  %t130 = load i1, ptr %a23
-  br i1 %t130, label %then5977, label %endif5979
-then5977:
-  %t131 = load ptr, ptr %a1
-  %t132 = load ptr, ptr %a1
-  %t133 = load %S.gen.Val, ptr %a6
-  %t134 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t132, %S.gen.Val %t133)
-  store { ptr, i64, i64 } { ptr @.str.3933, i64 27, i64 0 }, ptr %a136
-  store { ptr, i64, i64 } %t134, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.3934, i64 6, i64 0 }, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load ptr, ptr %a1
-  %t144 = load %S.gen.Val, ptr %a10
-  %t145 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t143, %S.gen.Val %t144)
-  store { ptr, i64, i64 } %t142, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t149, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.3935, i64 1, i64 0 }, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  %t154 = call { ptr, i64, i64 } @finch.gen.op(ptr %t131, { ptr, i64, i64 } %t153)
-  store { ptr, i64, i64 } %t154, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.3936, i64 2, i64 0 }, ptr %a156
-  %t157 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t157, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.3937, i64 2, i64 0 }, ptr %a159
-  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
-  %t161 = icmp ne i32 %t160, 0
-  br i1 %t161, label %then5980, label %endif5982
-then5980:
-  store { ptr, i64, i64 } { ptr @.str.3938, i64 2, i64 0 }, ptr %a156
-  br label %endif5982
-endif5982:
-  %t162 = load ptr, ptr %a1
-  %t163 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.3939, i64 5, i64 0 }, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  store { ptr, i64, i64 } { ptr @.str.3940, i64 5, i64 0 }, ptr %a170
-  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  %t172 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t171, ptr %a174
-  store { ptr, i64, i64 } %t172, ptr %a175
-  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
-  %t176 = load { ptr, i64, i64 }, ptr %a173
-  store { ptr, i64, i64 } %t176, ptr %a178
-  store { ptr, i64, i64 } { ptr @.str.3941, i64 3, i64 0 }, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  %t181 = call { ptr, i64, i64 } @finch.gen.op(ptr %t162, { ptr, i64, i64 } %t180)
-  %t182 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t181, 0
-  %t183 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3942, i64 4, i64 0 })
-  %t184 = insertvalue %S.gen.Val %t182, %S.ast.Type %t183, 1
-  ret %S.gen.Val %t184
-endif5979:
-  %t185 = load ptr, ptr %a1
-  %t186 = load ptr, ptr %a1
-  %t187 = load %S.gen.Val, ptr %a6
-  %t188 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t186, %S.gen.Val %t187)
-  store { ptr, i64, i64 } { ptr @.str.3943, i64 28, i64 0 }, ptr %a190
+  br label %logic.from6337
+logic.from6337:
+  br i1 %t128, label %logic.rhs6338, label %logic.end6339
+logic.rhs6338:
+  %t129 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %t129, i32 0, i32 0
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.4098, i64 3, i64 0 }, ptr %a133
+  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
+  %t135 = icmp ne i32 %t134, 0
+  br label %logic.rend6340
+logic.rend6340:
+  br label %logic.end6339
+logic.end6339:
+  %t136 = phi i1 [ false, %logic.from6337 ], [ %t135, %logic.rend6340 ]
+  br i1 %t136, label %then6341, label %endif6343
+then6341:
+  %t137 = load i1, ptr %a23
+  br i1 %t137, label %then6344, label %endif6346
+then6344:
+  %t138 = load ptr, ptr %a1
+  %t139 = load ptr, ptr %a1
+  %t140 = load %S.gen.Val, ptr %a6
+  %t141 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t139, %S.gen.Val %t140)
+  store { ptr, i64, i64 } { ptr @.str.4099, i64 27, i64 0 }, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.4100, i64 6, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = load ptr, ptr %a1
+  %t153 = load %S.gen.Val, ptr %a10
+  %t154 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t152, %S.gen.Val %t153)
+  store { ptr, i64, i64 } %t151, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t151, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  store { ptr, i64, i64 } %t154, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t160, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.4101, i64 1, i64 0 }, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  store { ptr, i64, i64 } %t160, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  %t165 = load { ptr, i64, i64 }, ptr %a161
+  %t166 = call { ptr, i64, i64 } @finch.gen.op(ptr %t138, { ptr, i64, i64 } %t165)
+  store { ptr, i64, i64 } %t165, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  store { ptr, i64, i64 } %t166, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4102, i64 2, i64 0 }, ptr %a169
+  %t170 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t170, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.4103, i64 2, i64 0 }, ptr %a172
+  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
+  %t174 = icmp ne i32 %t173, 0
+  br i1 %t174, label %then6347, label %endif6349
+then6347:
+  %t175 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4104, i64 2, i64 0 }, ptr %a169
+  store { ptr, i64, i64 } %t175, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  br label %endif6349
+endif6349:
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4105, i64 5, i64 0 }, ptr %a180
+  store { ptr, i64, i64 } %t178, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.4106, i64 5, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t187, ptr %a190
   store { ptr, i64, i64 } %t188, ptr %a191
   call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.3944, i64 6, i64 0 }, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load ptr, ptr %a1
-  %t198 = load %S.gen.Val, ptr %a10
-  %t199 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t197, %S.gen.Val %t198)
-  store { ptr, i64, i64 } %t196, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.3945, i64 1, i64 0 }, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = call { ptr, i64, i64 } @finch.gen.op(ptr %t185, { ptr, i64, i64 } %t207)
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load ptr, ptr %a1
-  %t211 = load { ptr, i64, i64 }, ptr %a2
-  %t212 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t211, i1 true)
-  store { ptr, i64, i64 } { ptr @.str.3946, i64 5, i64 0 }, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  store { ptr, i64, i64 } %t216, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.3947, i64 5, i64 0 }, ptr %a219
+  store { ptr, i64, i64 } %t187, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t193, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4107, i64 3, i64 0 }, ptr %a196
+  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
+  store { ptr, i64, i64 } %t193, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a194
+  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t177, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t198, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  store { ptr, i64, i64 } %t199, ptr %a201
+  %t202 = load ptr, ptr %a1
+  %t203 = load %S.gen.Val, ptr %a6
+  call void @finch.gen.release(ptr %t202, %S.gen.Val %t203)
+  %t204 = load ptr, ptr %a1
+  %t205 = load %S.gen.Val, ptr %a10
+  call void @finch.gen.release(ptr %t204, %S.gen.Val %t205)
+  %t206 = load { ptr, i64, i64 }, ptr %a201
+  store { ptr, i64, i64 } %t206, ptr %a207
+  call void @finch_str_copy(ptr %a208, ptr %a207)
+  %t209 = load { ptr, i64, i64 }, ptr %a208
+  %t210 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t209, 0
+  %t211 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4108, i64 4, i64 0 })
+  %t212 = insertvalue %S.gen.Val %t210, %S.ast.Type %t211, 1
+  call void @finch_str_drop(ptr %a201)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a168)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t212
+endif6346:
+  %t213 = load ptr, ptr %a1
+  %t214 = load ptr, ptr %a1
+  %t215 = load %S.gen.Val, ptr %a6
+  %t216 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t214, %S.gen.Val %t215)
+  store { ptr, i64, i64 } { ptr @.str.4109, i64 28, i64 0 }, ptr %a218
+  store { ptr, i64, i64 } %t216, ptr %a219
   call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  %t221 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t220, ptr %a223
-  store { ptr, i64, i64 } %t221, ptr %a224
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_drop(ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  store { ptr, i64, i64 } %t221, ptr %a223
+  store { ptr, i64, i64 } { ptr @.str.4110, i64 6, i64 0 }, ptr %a224
   call void @finch_str_concat(ptr %a222, ptr %a223, ptr %a224)
-  %t225 = load { ptr, i64, i64 }, ptr %a222
-  store { ptr, i64, i64 } %t225, ptr %a227
-  store { ptr, i64, i64 } { ptr @.str.3948, i64 3, i64 0 }, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  %t230 = call { ptr, i64, i64 } @finch.gen.op(ptr %t210, { ptr, i64, i64 } %t229)
-  %t231 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t230, 0
-  %t232 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3949, i64 4, i64 0 })
-  %t233 = insertvalue %S.gen.Val %t231, %S.ast.Type %t232, 1
-  ret %S.gen.Val %t233
-endif5976:
-  %t234 = load ptr, ptr %a1
-  %t235 = call i1 @finch.gen.unify(ptr %t234, ptr %a6, ptr %a10)
-  %t236 = xor i1 %t235, true
-  br i1 %t236, label %then5983, label %endif5985
-then5983:
-  %t237 = load ptr, ptr %a1
-  %t238 = load { ptr, i64, i64 }, ptr %a2
-  %t239 = load %S.gen.Val, ptr %a6
-  %t240 = load %S.gen.Val, ptr %a10
-  %t241 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t237, { ptr, i64, i64 } %t238, %S.gen.Val %t239, %S.gen.Val %t240, %S.ast.Node %t241)
-  br label %endif5985
-endif5985:
-  %t242 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t243 = getelementptr inbounds %S.ast.Type, ptr %t242, i32 0, i32 0
-  %t244 = load { ptr, i64, i64 }, ptr %t243
-  store { ptr, i64, i64 } %t244, ptr %a245
-  call void @finch_str_copy(ptr %a246, ptr %a245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t250 = load %S.ast.Type, ptr %t249
-  %t251 = call i1 @finch.gen.isFloat(%S.ast.Type %t250)
-  br i1 %t251, label %then5986, label %endif5988
-then5986:
-  %t252 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t253 = call ptr @finch_alloc(i64 %t252)
-  %t254 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3950, i64 2, i64 0 }, ptr %t254
-  %t255 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3951, i64 2, i64 0 }, ptr %t255
-  %t256 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3952, i64 1, i64 0 }, ptr %t256
-  %t257 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3953, i64 2, i64 0 }, ptr %t257
-  %t258 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3954, i64 1, i64 0 }, ptr %t258
-  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3955, i64 2, i64 0 }, ptr %t259
-  %t260 = insertvalue { ptr, i64, i64 } undef, ptr %t253, 0
-  %t261 = insertvalue { ptr, i64, i64 } %t260, i64 6, 1
-  %t262 = insertvalue { ptr, i64, i64 } %t261, i64 6, 2
-  store { ptr, i64, i64 } %t262, ptr %a263
-  %t264 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t265 = call ptr @finch_alloc(i64 %t264)
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3956, i64 3, i64 0 }, ptr %t266
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3957, i64 3, i64 0 }, ptr %t267
-  %t268 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3958, i64 3, i64 0 }, ptr %t268
-  %t269 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3959, i64 3, i64 0 }, ptr %t269
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3960, i64 3, i64 0 }, ptr %t270
-  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3961, i64 3, i64 0 }, ptr %t271
-  %t272 = insertvalue { ptr, i64, i64 } undef, ptr %t265, 0
-  %t273 = insertvalue { ptr, i64, i64 } %t272, i64 6, 1
-  %t274 = insertvalue { ptr, i64, i64 } %t273, i64 6, 2
-  store { ptr, i64, i64 } %t274, ptr %a275
-  %t276 = load ptr, ptr %a1
-  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
-  %t278 = load { ptr, i64, i64 }, ptr %a2
-  store i64 -1, ptr %a279
-  %t280 = load i64, ptr %t277
-  %t281 = load ptr, ptr %a263
-  store i64 0, ptr %a282
-  br label %find.cond5989
-find.cond5989:
-  %t283 = load i64, ptr %a282
-  %t284 = icmp slt i64 %t283, %t280
-  br i1 %t284, label %find.body5990, label %find.end5993
-find.body5990:
-  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t281, i64 %t283
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  store { ptr, i64, i64 } %t286, ptr %a287
-  store { ptr, i64, i64 } %t278, ptr %a288
-  %t289 = call i32 @finch_str_eq(ptr %a287, ptr %a288)
-  %t290 = icmp ne i32 %t289, 0
-  br i1 %t290, label %find.hit5991, label %find.next5992
-find.hit5991:
-  store i64 %t283, ptr %a279
-  br label %find.end5993
-find.next5992:
-  %t291 = add i64 %t283, 1
-  store i64 %t291, ptr %a282
-  br label %find.cond5989
-find.end5993:
-  %t292 = load i64, ptr %a279
-  %t293 = load { ptr, i64, i64 }, ptr %a275
-  %t294 = extractvalue { ptr, i64, i64 } %t293, 1
-  %t295 = icmp uge i64 %t292, %t294
-  br i1 %t295, label %range5994, label %inrange5995
-range5994:
-  call void @finch_panic_index(ptr @.str.3963, i64 3194, i64 %t292, i64 %t294)
+  store { ptr, i64, i64 } %t221, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load { ptr, i64, i64 }, ptr %a222
+  %t227 = load ptr, ptr %a1
+  %t228 = load %S.gen.Val, ptr %a10
+  %t229 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t227, %S.gen.Val %t228)
+  store { ptr, i64, i64 } %t226, ptr %a231
+  store { ptr, i64, i64 } %t229, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  store { ptr, i64, i64 } %t226, ptr %a233
+  call void @finch_str_drop(ptr %a233)
+  store { ptr, i64, i64 } %t229, ptr %a234
+  call void @finch_str_drop(ptr %a234)
+  %t235 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t235, ptr %a237
+  store { ptr, i64, i64 } { ptr @.str.4111, i64 1, i64 0 }, ptr %a238
+  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
+  store { ptr, i64, i64 } %t235, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  %t240 = load { ptr, i64, i64 }, ptr %a236
+  %t241 = call { ptr, i64, i64 } @finch.gen.op(ptr %t213, { ptr, i64, i64 } %t240)
+  store { ptr, i64, i64 } %t240, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  store { ptr, i64, i64 } %t241, ptr %a243
+  %t244 = load ptr, ptr %a1
+  %t245 = load { ptr, i64, i64 }, ptr %a2
+  %t246 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t245, i1 true)
+  store { ptr, i64, i64 } { ptr @.str.4112, i64 5, i64 0 }, ptr %a248
+  store { ptr, i64, i64 } %t246, ptr %a249
+  call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
+  store { ptr, i64, i64 } %t246, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.4113, i64 5, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  %t257 = load { ptr, i64, i64 }, ptr %a243
+  store { ptr, i64, i64 } %t256, ptr %a259
+  store { ptr, i64, i64 } %t257, ptr %a260
+  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a258
+  store { ptr, i64, i64 } %t262, ptr %a264
+  store { ptr, i64, i64 } { ptr @.str.4114, i64 3, i64 0 }, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  store { ptr, i64, i64 } %t262, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  %t268 = call { ptr, i64, i64 } @finch.gen.op(ptr %t244, { ptr, i64, i64 } %t267)
+  store { ptr, i64, i64 } %t267, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  store { ptr, i64, i64 } %t268, ptr %a270
+  %t271 = load ptr, ptr %a1
+  %t272 = load %S.gen.Val, ptr %a6
+  call void @finch.gen.release(ptr %t271, %S.gen.Val %t272)
+  %t273 = load ptr, ptr %a1
+  %t274 = load %S.gen.Val, ptr %a10
+  call void @finch.gen.release(ptr %t273, %S.gen.Val %t274)
+  %t275 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t275, ptr %a276
+  call void @finch_str_copy(ptr %a277, ptr %a276)
+  %t278 = load { ptr, i64, i64 }, ptr %a277
+  %t279 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t278, 0
+  %t280 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4115, i64 4, i64 0 })
+  %t281 = insertvalue %S.gen.Val %t279, %S.ast.Type %t280, 1
+  call void @finch_str_drop(ptr %a270)
+  call void @finch_str_drop(ptr %a243)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t281
+endif6343:
+  %t282 = load ptr, ptr %a1
+  %t283 = call i1 @finch.gen.unify(ptr %t282, ptr %a6, ptr %a10)
+  %t284 = xor i1 %t283, true
+  br i1 %t284, label %then6350, label %endif6352
+then6350:
+  %t285 = load ptr, ptr %a1
+  %t286 = load { ptr, i64, i64 }, ptr %a2
+  %t287 = load %S.gen.Val, ptr %a6
+  %t288 = load %S.gen.Val, ptr %a10
+  %t289 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t285, { ptr, i64, i64 } %t286, %S.gen.Val %t287, %S.gen.Val %t288, %S.ast.Node %t289)
+  br label %endif6352
+endif6352:
+  %t290 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t291 = getelementptr inbounds %S.ast.Type, ptr %t290, i32 0, i32 0
+  %t292 = load { ptr, i64, i64 }, ptr %t291
+  store { ptr, i64, i64 } %t292, ptr %a293
+  call void @finch_str_copy(ptr %a294, ptr %a293)
+  %t295 = load { ptr, i64, i64 }, ptr %a294
+  store { ptr, i64, i64 } %t295, ptr %a296
+  %t297 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t298 = load %S.ast.Type, ptr %t297
+  %t299 = call i1 @finch.gen.isFloat(%S.ast.Type %t298)
+  br i1 %t299, label %then6353, label %endif6355
+then6353:
+  %t300 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t301 = call ptr @finch_alloc(i64 %t300)
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4116, i64 2, i64 0 }, ptr %t302
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4117, i64 2, i64 0 }, ptr %t303
+  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4118, i64 1, i64 0 }, ptr %t304
+  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4119, i64 2, i64 0 }, ptr %t305
+  %t306 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4120, i64 1, i64 0 }, ptr %t306
+  %t307 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4121, i64 2, i64 0 }, ptr %t307
+  %t308 = insertvalue { ptr, i64, i64 } undef, ptr %t301, 0
+  %t309 = insertvalue { ptr, i64, i64 } %t308, i64 6, 1
+  %t310 = insertvalue { ptr, i64, i64 } %t309, i64 6, 2
+  store { ptr, i64, i64 } %t310, ptr %a311
+  %t312 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t313 = call ptr @finch_alloc(i64 %t312)
+  %t314 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4122, i64 3, i64 0 }, ptr %t314
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4123, i64 3, i64 0 }, ptr %t315
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4124, i64 3, i64 0 }, ptr %t316
+  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4125, i64 3, i64 0 }, ptr %t317
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4126, i64 3, i64 0 }, ptr %t318
+  %t319 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4127, i64 3, i64 0 }, ptr %t319
+  %t320 = insertvalue { ptr, i64, i64 } undef, ptr %t313, 0
+  %t321 = insertvalue { ptr, i64, i64 } %t320, i64 6, 1
+  %t322 = insertvalue { ptr, i64, i64 } %t321, i64 6, 2
+  store { ptr, i64, i64 } %t322, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a311, i32 0, i32 1
+  %t326 = load { ptr, i64, i64 }, ptr %a2
+  store i64 -1, ptr %a327
+  %t328 = load i64, ptr %t325
+  %t329 = load ptr, ptr %a311
+  store i64 0, ptr %a330
+  br label %find.cond6356
+find.cond6356:
+  %t331 = load i64, ptr %a330
+  %t332 = icmp slt i64 %t331, %t328
+  br i1 %t332, label %find.body6357, label %find.end6360
+find.body6357:
+  %t333 = getelementptr inbounds { ptr, i64, i64 }, ptr %t329, i64 %t331
+  %t334 = load { ptr, i64, i64 }, ptr %t333
+  store { ptr, i64, i64 } %t334, ptr %a335
+  store { ptr, i64, i64 } %t326, ptr %a336
+  %t337 = call i32 @finch_str_eq(ptr %a335, ptr %a336)
+  %t338 = icmp ne i32 %t337, 0
+  br i1 %t338, label %find.hit6358, label %find.next6359
+find.hit6358:
+  store i64 %t331, ptr %a327
+  br label %find.end6360
+find.next6359:
+  %t339 = add i64 %t331, 1
+  store i64 %t339, ptr %a330
+  br label %find.cond6356
+find.end6360:
+  %t340 = load i64, ptr %a327
+  %t341 = load { ptr, i64, i64 }, ptr %a323
+  %t342 = extractvalue { ptr, i64, i64 } %t341, 1
+  %t343 = icmp uge i64 %t340, %t342
+  br i1 %t343, label %range6361, label %inrange6362
+range6361:
+  call void @finch_panic_index(ptr @.str.4129, i64 3457, i64 %t340, i64 %t342)
   unreachable
-inrange5995:
-  %t296 = extractvalue { ptr, i64, i64 } %t293, 0
-  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t296, i64 %t292
-  %t298 = load { ptr, i64, i64 }, ptr %t297
-  store { ptr, i64, i64 } { ptr @.str.3962, i64 5, i64 0 }, ptr %a300
-  store { ptr, i64, i64 } %t298, ptr %a301
-  call void @finch_str_concat(ptr %a299, ptr %a300, ptr %a301)
-  %t302 = load { ptr, i64, i64 }, ptr %a299
-  store { ptr, i64, i64 } %t302, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.3964, i64 1, i64 0 }, ptr %a305
-  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
-  %t306 = load { ptr, i64, i64 }, ptr %a303
-  %t307 = load ptr, ptr %a1
-  %t308 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t309 = load %S.ast.Type, ptr %t308
-  %t310 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t307, %S.ast.Type %t309)
-  store { ptr, i64, i64 } %t306, ptr %a312
-  store { ptr, i64, i64 } %t310, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.3965, i64 1, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t320 = load { ptr, i64, i64 }, ptr %t319
-  store { ptr, i64, i64 } %t318, ptr %a322
-  store { ptr, i64, i64 } %t320, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  store { ptr, i64, i64 } %t324, ptr %a326
-  store { ptr, i64, i64 } { ptr @.str.3966, i64 2, i64 0 }, ptr %a327
-  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
-  %t328 = load { ptr, i64, i64 }, ptr %a325
-  %t329 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store { ptr, i64, i64 } %t328, ptr %a332
-  store { ptr, i64, i64 } %t330, ptr %a333
-  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
-  %t334 = load { ptr, i64, i64 }, ptr %a331
-  %t335 = call { ptr, i64, i64 } @finch.gen.op(ptr %t276, { ptr, i64, i64 } %t334)
-  %t336 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t335, 0
-  %t337 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3967, i64 4, i64 0 })
-  %t338 = insertvalue %S.gen.Val %t336, %S.ast.Type %t337, 1
-  ret %S.gen.Val %t338
-endif5988:
-  %t339 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t339, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.3968, i64 4, i64 0 }, ptr %a341
-  %t342 = call i32 @finch_str_eq(ptr %a340, ptr %a341)
-  %t343 = icmp ne i32 %t342, 0
-  br i1 %t343, label %then5996, label %endif5998
-then5996:
-  %t344 = load i1, ptr %a23
-  %t345 = xor i1 %t344, true
-  br i1 %t345, label %then5999, label %endif6001
-then5999:
-  %t346 = load ptr, ptr %a1
-  %t347 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.fail(ptr %t346, %S.ast.Node %t347, { ptr, i64, i64 } { ptr @.str.3969, i64 115, i64 0 })
-  br label %endif6001
-endif6001:
-  store { ptr, i64, i64 } { ptr @.str.3970, i64 2, i64 0 }, ptr %a348
-  %t349 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t349, ptr %a350
-  store { ptr, i64, i64 } { ptr @.str.3971, i64 2, i64 0 }, ptr %a351
-  %t352 = call i32 @finch_str_eq(ptr %a350, ptr %a351)
-  %t353 = icmp ne i32 %t352, 0
-  br i1 %t353, label %then6002, label %endif6004
-then6002:
-  store { ptr, i64, i64 } { ptr @.str.3972, i64 2, i64 0 }, ptr %a348
-  br label %endif6004
-endif6004:
-  %t354 = load ptr, ptr %a1
-  %t355 = load { ptr, i64, i64 }, ptr %a348
-  store { ptr, i64, i64 } { ptr @.str.3973, i64 5, i64 0 }, ptr %a357
-  store { ptr, i64, i64 } %t355, ptr %a358
-  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
-  %t359 = load { ptr, i64, i64 }, ptr %a356
-  store { ptr, i64, i64 } %t359, ptr %a361
-  store { ptr, i64, i64 } { ptr @.str.3974, i64 5, i64 0 }, ptr %a362
+inrange6362:
+  %t344 = extractvalue { ptr, i64, i64 } %t341, 0
+  %t345 = getelementptr inbounds { ptr, i64, i64 }, ptr %t344, i64 %t340
+  %t346 = load { ptr, i64, i64 }, ptr %t345
+  store { ptr, i64, i64 } { ptr @.str.4128, i64 5, i64 0 }, ptr %a348
+  store { ptr, i64, i64 } %t346, ptr %a349
+  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
+  %t350 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t350, ptr %a352
+  store { ptr, i64, i64 } { ptr @.str.4130, i64 1, i64 0 }, ptr %a353
+  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
+  store { ptr, i64, i64 } %t350, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  %t355 = load { ptr, i64, i64 }, ptr %a351
+  %t356 = load ptr, ptr %a1
+  %t357 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t358 = load %S.ast.Type, ptr %t357
+  %t359 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t356, %S.ast.Type %t358)
+  store { ptr, i64, i64 } %t355, ptr %a361
+  store { ptr, i64, i64 } %t359, ptr %a362
   call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  %t364 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t365 = load { ptr, i64, i64 }, ptr %t364
-  store { ptr, i64, i64 } %t363, ptr %a367
-  store { ptr, i64, i64 } %t365, ptr %a368
+  store { ptr, i64, i64 } %t355, ptr %a363
+  call void @finch_str_drop(ptr %a363)
+  store { ptr, i64, i64 } %t359, ptr %a364
+  call void @finch_str_drop(ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a360
+  store { ptr, i64, i64 } %t365, ptr %a367
+  store { ptr, i64, i64 } { ptr @.str.4131, i64 1, i64 0 }, ptr %a368
   call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
-  %t369 = load { ptr, i64, i64 }, ptr %a366
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.3975, i64 2, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t375 = load { ptr, i64, i64 }, ptr %t374
-  store { ptr, i64, i64 } %t373, ptr %a377
-  store { ptr, i64, i64 } %t375, ptr %a378
-  call void @finch_str_concat(ptr %a376, ptr %a377, ptr %a378)
-  %t379 = load { ptr, i64, i64 }, ptr %a376
-  %t380 = call { ptr, i64, i64 } @finch.gen.op(ptr %t354, { ptr, i64, i64 } %t379)
-  %t381 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t380, 0
-  %t382 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3976, i64 4, i64 0 })
-  %t383 = insertvalue %S.gen.Val %t381, %S.ast.Type %t382, 1
-  ret %S.gen.Val %t383
-endif5998:
-  %t384 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t384, ptr %a385
-  store { ptr, i64, i64 } { ptr @.str.3977, i64 4, i64 0 }, ptr %a386
-  %t387 = call i32 @finch_str_eq(ptr %a385, ptr %a386)
-  %t388 = icmp ne i32 %t387, 0
-  br label %logic.from6005
-logic.from6005:
-  br i1 %t388, label %logic.rhs6006, label %logic.end6007
-logic.rhs6006:
-  %t389 = load i1, ptr %a23
-  %t390 = xor i1 %t389, true
-  br label %logic.rend6008
-logic.rend6008:
-  br label %logic.end6007
-logic.end6007:
-  %t391 = phi i1 [ false, %logic.from6005 ], [ %t390, %logic.rend6008 ]
-  br i1 %t391, label %then6009, label %endif6011
-then6009:
-  %t392 = load ptr, ptr %a1
-  %t393 = load { ptr, i64, i64 }, ptr %a2
-  %t394 = load %S.gen.Val, ptr %a6
-  %t395 = load %S.gen.Val, ptr %a10
-  %t396 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t392, { ptr, i64, i64 } %t393, %S.gen.Val %t394, %S.gen.Val %t395, %S.ast.Node %t396)
-  br label %endif6011
-endif6011:
-  %t397 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t398 = load %S.ast.Type, ptr %t397
-  %t399 = call i1 @finch.gen.isInt(%S.ast.Type %t398)
-  %t400 = xor i1 %t399, true
-  br label %logic.from6012
-logic.from6012:
-  br i1 %t400, label %logic.rhs6013, label %logic.end6014
-logic.rhs6013:
-  %t401 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t401, ptr %a402
-  store { ptr, i64, i64 } { ptr @.str.3978, i64 4, i64 0 }, ptr %a403
-  %t404 = call i32 @finch_str_eq(ptr %a402, ptr %a403)
-  %t405 = icmp eq i32 %t404, 0
-  br label %logic.rend6015
-logic.rend6015:
-  br label %logic.end6014
-logic.end6014:
-  %t406 = phi i1 [ false, %logic.from6012 ], [ %t405, %logic.rend6015 ]
-  br label %logic.from6016
-logic.from6016:
-  br i1 %t406, label %logic.rhs6017, label %logic.end6018
-logic.rhs6017:
-  %t407 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t407, ptr %a408
-  store { ptr, i64, i64 } { ptr @.str.3979, i64 4, i64 0 }, ptr %a409
-  %t410 = call i32 @finch_str_eq(ptr %a408, ptr %a409)
-  %t411 = icmp eq i32 %t410, 0
-  br label %logic.rend6019
-logic.rend6019:
-  br label %logic.end6018
-logic.end6018:
-  %t412 = phi i1 [ false, %logic.from6016 ], [ %t411, %logic.rend6019 ]
-  br i1 %t412, label %then6020, label %endif6022
-then6020:
-  %t413 = load ptr, ptr %a1
-  %t414 = load { ptr, i64, i64 }, ptr %a2
-  %t415 = load %S.gen.Val, ptr %a6
-  %t416 = load %S.gen.Val, ptr %a10
-  %t417 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t413, { ptr, i64, i64 } %t414, %S.gen.Val %t415, %S.gen.Val %t416, %S.ast.Node %t417)
-  br label %endif6022
-endif6022:
-  %t418 = load ptr, ptr %a1
-  %t419 = load { ptr, i64, i64 }, ptr %a2
-  %t420 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t421 = load %S.ast.Type, ptr %t420
-  %t422 = call i1 @finch.gen.isSigned(%S.ast.Type %t421)
-  %t423 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t419, i1 %t422)
-  store { ptr, i64, i64 } { ptr @.str.3980, i64 5, i64 0 }, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t427, ptr %a429
-  store { ptr, i64, i64 } { ptr @.str.3981, i64 1, i64 0 }, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load ptr, ptr %a1
-  %t433 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t434 = load %S.ast.Type, ptr %t433
-  %t435 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t432, %S.ast.Type %t434)
-  store { ptr, i64, i64 } %t431, ptr %a437
-  store { ptr, i64, i64 } %t435, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  store { ptr, i64, i64 } %t439, ptr %a441
-  store { ptr, i64, i64 } { ptr @.str.3982, i64 1, i64 0 }, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  %t444 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t445 = load { ptr, i64, i64 }, ptr %t444
-  store { ptr, i64, i64 } %t443, ptr %a447
-  store { ptr, i64, i64 } %t445, ptr %a448
-  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
-  %t449 = load { ptr, i64, i64 }, ptr %a446
-  store { ptr, i64, i64 } %t449, ptr %a451
-  store { ptr, i64, i64 } { ptr @.str.3983, i64 2, i64 0 }, ptr %a452
-  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
-  %t453 = load { ptr, i64, i64 }, ptr %a450
-  %t454 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t455 = load { ptr, i64, i64 }, ptr %t454
-  store { ptr, i64, i64 } %t453, ptr %a457
-  store { ptr, i64, i64 } %t455, ptr %a458
-  call void @finch_str_concat(ptr %a456, ptr %a457, ptr %a458)
-  %t459 = load { ptr, i64, i64 }, ptr %a456
-  %t460 = call { ptr, i64, i64 } @finch.gen.op(ptr %t418, { ptr, i64, i64 } %t459)
-  %t461 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t460, 0
-  %t462 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3984, i64 4, i64 0 })
-  %t463 = insertvalue %S.gen.Val %t461, %S.ast.Type %t462, 1
-  ret %S.gen.Val %t463
+  store { ptr, i64, i64 } %t365, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = load { ptr, i64, i64 }, ptr %a366
+  %t371 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t372 = load { ptr, i64, i64 }, ptr %t371
+  store { ptr, i64, i64 } %t370, ptr %a374
+  store { ptr, i64, i64 } %t372, ptr %a375
+  call void @finch_str_concat(ptr %a373, ptr %a374, ptr %a375)
+  store { ptr, i64, i64 } %t370, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = load { ptr, i64, i64 }, ptr %a373
+  store { ptr, i64, i64 } %t377, ptr %a379
+  store { ptr, i64, i64 } { ptr @.str.4132, i64 2, i64 0 }, ptr %a380
+  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
+  store { ptr, i64, i64 } %t377, ptr %a381
+  call void @finch_str_drop(ptr %a381)
+  %t382 = load { ptr, i64, i64 }, ptr %a378
+  %t383 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t384 = load { ptr, i64, i64 }, ptr %t383
+  store { ptr, i64, i64 } %t382, ptr %a386
+  store { ptr, i64, i64 } %t384, ptr %a387
+  call void @finch_str_concat(ptr %a385, ptr %a386, ptr %a387)
+  store { ptr, i64, i64 } %t382, ptr %a388
+  call void @finch_str_drop(ptr %a388)
+  %t389 = load { ptr, i64, i64 }, ptr %a385
+  %t390 = call { ptr, i64, i64 } @finch.gen.op(ptr %t324, { ptr, i64, i64 } %t389)
+  store { ptr, i64, i64 } %t389, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t390, 0
+  %t393 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4133, i64 4, i64 0 })
+  %t394 = insertvalue %S.gen.Val %t392, %S.ast.Type %t393, 1
+  call void @finch.drop.arr_str(ptr %a323)
+  call void @finch.drop.arr_str(ptr %a311)
+  call void @finch_str_drop(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t394
+endif6355:
+  %t395 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t395, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.4134, i64 4, i64 0 }, ptr %a397
+  %t398 = call i32 @finch_str_eq(ptr %a396, ptr %a397)
+  %t399 = icmp ne i32 %t398, 0
+  br i1 %t399, label %then6363, label %endif6365
+then6363:
+  %t400 = load i1, ptr %a23
+  %t401 = xor i1 %t400, true
+  br i1 %t401, label %then6366, label %endif6368
+then6366:
+  %t402 = load ptr, ptr %a1
+  %t403 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.fail(ptr %t402, %S.ast.Node %t403, { ptr, i64, i64 } { ptr @.str.4135, i64 115, i64 0 })
+  br label %endif6368
+endif6368:
+  store { ptr, i64, i64 } { ptr @.str.4136, i64 2, i64 0 }, ptr %a404
+  %t405 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t405, ptr %a406
+  store { ptr, i64, i64 } { ptr @.str.4137, i64 2, i64 0 }, ptr %a407
+  %t408 = call i32 @finch_str_eq(ptr %a406, ptr %a407)
+  %t409 = icmp ne i32 %t408, 0
+  br i1 %t409, label %then6369, label %endif6371
+then6369:
+  %t410 = load { ptr, i64, i64 }, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4138, i64 2, i64 0 }, ptr %a404
+  store { ptr, i64, i64 } %t410, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  br label %endif6371
+endif6371:
+  %t412 = load ptr, ptr %a1
+  %t413 = load { ptr, i64, i64 }, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4139, i64 5, i64 0 }, ptr %a415
+  store { ptr, i64, i64 } %t413, ptr %a416
+  call void @finch_str_concat(ptr %a414, ptr %a415, ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a414
+  store { ptr, i64, i64 } %t417, ptr %a419
+  store { ptr, i64, i64 } { ptr @.str.4140, i64 5, i64 0 }, ptr %a420
+  call void @finch_str_concat(ptr %a418, ptr %a419, ptr %a420)
+  store { ptr, i64, i64 } %t417, ptr %a421
+  call void @finch_str_drop(ptr %a421)
+  %t422 = load { ptr, i64, i64 }, ptr %a418
+  %t423 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t424 = load { ptr, i64, i64 }, ptr %t423
+  store { ptr, i64, i64 } %t422, ptr %a426
+  store { ptr, i64, i64 } %t424, ptr %a427
+  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
+  store { ptr, i64, i64 } %t422, ptr %a428
+  call void @finch_str_drop(ptr %a428)
+  %t429 = load { ptr, i64, i64 }, ptr %a425
+  store { ptr, i64, i64 } %t429, ptr %a431
+  store { ptr, i64, i64 } { ptr @.str.4141, i64 2, i64 0 }, ptr %a432
+  call void @finch_str_concat(ptr %a430, ptr %a431, ptr %a432)
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch_str_drop(ptr %a433)
+  %t434 = load { ptr, i64, i64 }, ptr %a430
+  %t435 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t436 = load { ptr, i64, i64 }, ptr %t435
+  store { ptr, i64, i64 } %t434, ptr %a438
+  store { ptr, i64, i64 } %t436, ptr %a439
+  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
+  store { ptr, i64, i64 } %t434, ptr %a440
+  call void @finch_str_drop(ptr %a440)
+  %t441 = load { ptr, i64, i64 }, ptr %a437
+  %t442 = call { ptr, i64, i64 } @finch.gen.op(ptr %t412, { ptr, i64, i64 } %t441)
+  store { ptr, i64, i64 } %t441, ptr %a443
+  call void @finch_str_drop(ptr %a443)
+  %t444 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t442, 0
+  %t445 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4142, i64 4, i64 0 })
+  %t446 = insertvalue %S.gen.Val %t444, %S.ast.Type %t445, 1
+  call void @finch_str_drop(ptr %a404)
+  call void @finch_str_drop(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t446
+endif6365:
+  %t447 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t447, ptr %a448
+  store { ptr, i64, i64 } { ptr @.str.4143, i64 4, i64 0 }, ptr %a449
+  %t450 = call i32 @finch_str_eq(ptr %a448, ptr %a449)
+  %t451 = icmp ne i32 %t450, 0
+  br label %logic.from6372
+logic.from6372:
+  br i1 %t451, label %logic.rhs6373, label %logic.end6374
+logic.rhs6373:
+  %t452 = load i1, ptr %a23
+  %t453 = xor i1 %t452, true
+  br label %logic.rend6375
+logic.rend6375:
+  br label %logic.end6374
+logic.end6374:
+  %t454 = phi i1 [ false, %logic.from6372 ], [ %t453, %logic.rend6375 ]
+  br i1 %t454, label %then6376, label %endif6378
+then6376:
+  %t455 = load ptr, ptr %a1
+  %t456 = load { ptr, i64, i64 }, ptr %a2
+  %t457 = load %S.gen.Val, ptr %a6
+  %t458 = load %S.gen.Val, ptr %a10
+  %t459 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t455, { ptr, i64, i64 } %t456, %S.gen.Val %t457, %S.gen.Val %t458, %S.ast.Node %t459)
+  br label %endif6378
+endif6378:
+  %t460 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t461 = load %S.ast.Type, ptr %t460
+  %t462 = call i1 @finch.gen.isInt(%S.ast.Type %t461)
+  %t463 = xor i1 %t462, true
+  br label %logic.from6379
+logic.from6379:
+  br i1 %t463, label %logic.rhs6380, label %logic.end6381
+logic.rhs6380:
+  %t464 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t464, ptr %a465
+  store { ptr, i64, i64 } { ptr @.str.4144, i64 4, i64 0 }, ptr %a466
+  %t467 = call i32 @finch_str_eq(ptr %a465, ptr %a466)
+  %t468 = icmp eq i32 %t467, 0
+  br label %logic.rend6382
+logic.rend6382:
+  br label %logic.end6381
+logic.end6381:
+  %t469 = phi i1 [ false, %logic.from6379 ], [ %t468, %logic.rend6382 ]
+  br label %logic.from6383
+logic.from6383:
+  br i1 %t469, label %logic.rhs6384, label %logic.end6385
+logic.rhs6384:
+  %t470 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t470, ptr %a471
+  store { ptr, i64, i64 } { ptr @.str.4145, i64 4, i64 0 }, ptr %a472
+  %t473 = call i32 @finch_str_eq(ptr %a471, ptr %a472)
+  %t474 = icmp eq i32 %t473, 0
+  br label %logic.rend6386
+logic.rend6386:
+  br label %logic.end6385
+logic.end6385:
+  %t475 = phi i1 [ false, %logic.from6383 ], [ %t474, %logic.rend6386 ]
+  br i1 %t475, label %then6387, label %endif6389
+then6387:
+  %t476 = load ptr, ptr %a1
+  %t477 = load { ptr, i64, i64 }, ptr %a2
+  %t478 = load %S.gen.Val, ptr %a6
+  %t479 = load %S.gen.Val, ptr %a10
+  %t480 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t476, { ptr, i64, i64 } %t477, %S.gen.Val %t478, %S.gen.Val %t479, %S.ast.Node %t480)
+  br label %endif6389
+endif6389:
+  %t481 = load ptr, ptr %a1
+  %t482 = load { ptr, i64, i64 }, ptr %a2
+  %t483 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t484 = load %S.ast.Type, ptr %t483
+  %t485 = call i1 @finch.gen.isSigned(%S.ast.Type %t484)
+  %t486 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t482, i1 %t485)
+  store { ptr, i64, i64 } { ptr @.str.4146, i64 5, i64 0 }, ptr %a488
+  store { ptr, i64, i64 } %t486, ptr %a489
+  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
+  store { ptr, i64, i64 } %t486, ptr %a490
+  call void @finch_str_drop(ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a487
+  store { ptr, i64, i64 } %t491, ptr %a493
+  store { ptr, i64, i64 } { ptr @.str.4147, i64 1, i64 0 }, ptr %a494
+  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
+  store { ptr, i64, i64 } %t491, ptr %a495
+  call void @finch_str_drop(ptr %a495)
+  %t496 = load { ptr, i64, i64 }, ptr %a492
+  %t497 = load ptr, ptr %a1
+  %t498 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t499 = load %S.ast.Type, ptr %t498
+  %t500 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t497, %S.ast.Type %t499)
+  store { ptr, i64, i64 } %t496, ptr %a502
+  store { ptr, i64, i64 } %t500, ptr %a503
+  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
+  store { ptr, i64, i64 } %t496, ptr %a504
+  call void @finch_str_drop(ptr %a504)
+  store { ptr, i64, i64 } %t500, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = load { ptr, i64, i64 }, ptr %a501
+  store { ptr, i64, i64 } %t506, ptr %a508
+  store { ptr, i64, i64 } { ptr @.str.4148, i64 1, i64 0 }, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  %t512 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t513 = load { ptr, i64, i64 }, ptr %t512
+  store { ptr, i64, i64 } %t511, ptr %a515
+  store { ptr, i64, i64 } %t513, ptr %a516
+  call void @finch_str_concat(ptr %a514, ptr %a515, ptr %a516)
+  store { ptr, i64, i64 } %t511, ptr %a517
+  call void @finch_str_drop(ptr %a517)
+  %t518 = load { ptr, i64, i64 }, ptr %a514
+  store { ptr, i64, i64 } %t518, ptr %a520
+  store { ptr, i64, i64 } { ptr @.str.4149, i64 2, i64 0 }, ptr %a521
+  call void @finch_str_concat(ptr %a519, ptr %a520, ptr %a521)
+  store { ptr, i64, i64 } %t518, ptr %a522
+  call void @finch_str_drop(ptr %a522)
+  %t523 = load { ptr, i64, i64 }, ptr %a519
+  %t524 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t525 = load { ptr, i64, i64 }, ptr %t524
+  store { ptr, i64, i64 } %t523, ptr %a527
+  store { ptr, i64, i64 } %t525, ptr %a528
+  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
+  store { ptr, i64, i64 } %t523, ptr %a529
+  call void @finch_str_drop(ptr %a529)
+  %t530 = load { ptr, i64, i64 }, ptr %a526
+  %t531 = call { ptr, i64, i64 } @finch.gen.op(ptr %t481, { ptr, i64, i64 } %t530)
+  store { ptr, i64, i64 } %t530, ptr %a532
+  call void @finch_str_drop(ptr %a532)
+  %t533 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t531, 0
+  %t534 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4150, i64 4, i64 0 })
+  %t535 = insertvalue %S.gen.Val %t533, %S.ast.Type %t534, 1
+  call void @finch_str_drop(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t535
 }
 
 define internal { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %p0, i1 %p1) {
@@ -54157,28 +64080,29 @@ entry:
   %a2 = alloca i1, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca i64, align 16
-  %a44 = alloca i64, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca i64, align 16
+  %a46 = alloca i64, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store i1 %p1, ptr %a2
   %t3 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t4 = call ptr @finch_alloc(i64 %t3)
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3985, i64 2, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.4151, i64 2, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3986, i64 2, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.4152, i64 2, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3987, i64 1, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.4153, i64 1, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3988, i64 2, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.4154, i64 2, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3989, i64 1, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.4155, i64 1, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3990, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.4156, i64 2, i64 0 }, ptr %t10
   %t11 = insertvalue { ptr, i64, i64 } undef, ptr %t4, 0
   %t12 = insertvalue { ptr, i64, i64 } %t11, i64 6, 1
   %t13 = insertvalue { ptr, i64, i64 } %t12, i64 6, 2
@@ -54186,87 +64110,92 @@ entry:
   %t15 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t16 = call ptr @finch_alloc(i64 %t15)
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3991, i64 2, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.4157, i64 2, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3992, i64 2, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.4158, i64 2, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3993, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.4159, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3994, i64 3, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.4160, i64 3, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3995, i64 3, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.4161, i64 3, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3996, i64 3, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.4162, i64 3, i64 0 }, ptr %t22
   %t23 = insertvalue { ptr, i64, i64 } undef, ptr %t16, 0
   %t24 = insertvalue { ptr, i64, i64 } %t23, i64 6, 1
   %t25 = insertvalue { ptr, i64, i64 } %t24, i64 6, 2
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = load i1, ptr %a2
-  br i1 %t27, label %then6023, label %endif6025
-then6023:
+  br i1 %t27, label %then6390, label %endif6392
+then6390:
   %t28 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t29 = call ptr @finch_alloc(i64 %t28)
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3997, i64 2, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.4163, i64 2, i64 0 }, ptr %t30
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3998, i64 2, i64 0 }, ptr %t31
+  store { ptr, i64, i64 } { ptr @.str.4164, i64 2, i64 0 }, ptr %t31
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3999, i64 3, i64 0 }, ptr %t32
+  store { ptr, i64, i64 } { ptr @.str.4165, i64 3, i64 0 }, ptr %t32
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4000, i64 3, i64 0 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.4166, i64 3, i64 0 }, ptr %t33
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4001, i64 3, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.4167, i64 3, i64 0 }, ptr %t34
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4002, i64 3, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.4168, i64 3, i64 0 }, ptr %t35
   %t36 = insertvalue { ptr, i64, i64 } undef, ptr %t29, 0
   %t37 = insertvalue { ptr, i64, i64 } %t36, i64 6, 1
   %t38 = insertvalue { ptr, i64, i64 } %t37, i64 6, 2
+  %t39 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t38, ptr %a26
-  br label %endif6025
-endif6025:
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t40 = load { ptr, i64, i64 }, ptr %a1
-  store i64 -1, ptr %a41
-  %t42 = load i64, ptr %t39
-  %t43 = load ptr, ptr %a14
-  store i64 0, ptr %a44
-  br label %find.cond6026
-find.cond6026:
-  %t45 = load i64, ptr %a44
-  %t46 = icmp slt i64 %t45, %t42
-  br i1 %t46, label %find.body6027, label %find.end6030
-find.body6027:
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t45
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } %t40, ptr %a50
-  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
-  %t52 = icmp ne i32 %t51, 0
-  br i1 %t52, label %find.hit6028, label %find.next6029
-find.hit6028:
-  store i64 %t45, ptr %a41
-  br label %find.end6030
-find.next6029:
-  %t53 = add i64 %t45, 1
-  store i64 %t53, ptr %a44
-  br label %find.cond6026
-find.end6030:
-  %t54 = load i64, ptr %a41
-  %t55 = load { ptr, i64, i64 }, ptr %a26
-  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
-  %t57 = icmp uge i64 %t54, %t56
-  br i1 %t57, label %range6031, label %inrange6032
-range6031:
-  call void @finch_panic_index(ptr @.str.4003, i64 3221, i64 %t54, i64 %t56)
+  store { ptr, i64, i64 } %t39, ptr %a40
+  call void @finch.drop.arr_str(ptr %a40)
+  br label %endif6392
+endif6392:
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t42 = load { ptr, i64, i64 }, ptr %a1
+  store i64 -1, ptr %a43
+  %t44 = load i64, ptr %t41
+  %t45 = load ptr, ptr %a14
+  store i64 0, ptr %a46
+  br label %find.cond6393
+find.cond6393:
+  %t47 = load i64, ptr %a46
+  %t48 = icmp slt i64 %t47, %t44
+  br i1 %t48, label %find.body6394, label %find.end6397
+find.body6394:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t47
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } %t42, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %find.hit6395, label %find.next6396
+find.hit6395:
+  store i64 %t47, ptr %a43
+  br label %find.end6397
+find.next6396:
+  %t55 = add i64 %t47, 1
+  store i64 %t55, ptr %a46
+  br label %find.cond6393
+find.end6397:
+  %t56 = load i64, ptr %a43
+  %t57 = load { ptr, i64, i64 }, ptr %a26
+  %t58 = extractvalue { ptr, i64, i64 } %t57, 1
+  %t59 = icmp uge i64 %t56, %t58
+  br i1 %t59, label %range6398, label %inrange6399
+range6398:
+  call void @finch_panic_index(ptr @.str.4169, i64 3484, i64 %t56, i64 %t58)
   unreachable
-inrange6032:
-  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i64 %t54
-  %t60 = load { ptr, i64, i64 }, ptr %t59
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  ret { ptr, i64, i64 } %t63
+inrange6399:
+  %t60 = extractvalue { ptr, i64, i64 } %t57, 0
+  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i64 %t56
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  call void @finch.drop.arr_str(ptr %a26)
+  call void @finch.drop.arr_str(ptr %a14)
+  ret { ptr, i64, i64 } %t65
 }
 
 define internal %S.gen.Val @finch.gen.binary(ptr %p0, %S.ast.Node %p1) {
@@ -54291,44 +64220,54 @@ entry:
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca %S.gen.Val, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca %S.gen.Val, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca i64, align 16
+  %a163 = alloca %S.gen.Val, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
@@ -54339,48 +64278,48 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.4004, i64 2, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.4170, i64 2, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from6033
-logic.from6033:
-  br i1 %t13, label %logic.end6035, label %logic.rhs6034
-logic.rhs6034:
+  br label %logic.from6400
+logic.from6400:
+  br i1 %t13, label %logic.end6402, label %logic.rhs6401
+logic.rhs6401:
   %t14 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.4005, i64 2, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.4171, i64 2, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.rend6036
-logic.rend6036:
-  br label %logic.end6035
-logic.end6035:
-  %t19 = phi i1 [ true, %logic.from6033 ], [ %t18, %logic.rend6036 ]
-  br i1 %t19, label %then6037, label %endif6039
-then6037:
+  br label %logic.rend6403
+logic.rend6403:
+  br label %logic.end6402
+logic.end6402:
+  %t19 = phi i1 [ true, %logic.from6400 ], [ %t18, %logic.rend6403 ]
+  br i1 %t19, label %then6404, label %endif6406
+then6404:
   %t20 = load ptr, ptr %a1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t22 = load { ptr, i64, i64 }, ptr %t21
   %t23 = extractvalue { ptr, i64, i64 } %t22, 1
   %t24 = icmp uge i64 0, %t23
-  br i1 %t24, label %range6040, label %inrange6041
-range6040:
-  call void @finch_panic_index(ptr @.str.4006, i64 3227, i64 0, i64 %t23)
+  br i1 %t24, label %range6407, label %inrange6408
+range6407:
+  call void @finch_panic_index(ptr @.str.4172, i64 3490, i64 0, i64 %t23)
   unreachable
-inrange6041:
+inrange6408:
   %t25 = extractvalue { ptr, i64, i64 } %t22, 0
   %t26 = getelementptr inbounds %S.ast.Node, ptr %t25, i64 0
   %t27 = load %S.ast.Node, ptr %t26
   %t28 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t20, %S.ast.Node %t27)
   store { ptr, i64, i64 } %t28, ptr %a29
   %t30 = load ptr, ptr %a1
-  %t31 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t30, { ptr, i64, i64 } { ptr @.str.4007, i64 10, i64 0 })
+  %t31 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t30, { ptr, i64, i64 } { ptr @.str.4173, i64 10, i64 0 })
   store { ptr, i64, i64 } %t31, ptr %a32
   %t33 = load ptr, ptr %a1
-  %t34 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t33, { ptr, i64, i64 } { ptr @.str.4008, i64 9, i64 0 })
+  %t34 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t33, { ptr, i64, i64 } { ptr @.str.4174, i64 9, i64 0 })
   store { ptr, i64, i64 } %t34, ptr %a35
   %t36 = load ptr, ptr %a1
-  %t37 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t36, { ptr, i64, i64 } { ptr @.str.4009, i64 9, i64 0 })
+  %t37 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t36, { ptr, i64, i64 } { ptr @.str.4175, i64 9, i64 0 })
   store { ptr, i64, i64 } %t37, ptr %a38
   %t39 = load ptr, ptr %a1
   %t40 = load { ptr, i64, i64 }, ptr %a32
@@ -54390,25 +64329,25 @@ inrange6041:
   call void @finch.gen.label(ptr %t41, { ptr, i64, i64 } %t42)
   %t43 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t43, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.4010, i64 2, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.4176, i64 2, i64 0 }, ptr %a45
   %t46 = call i32 @finch_str_eq(ptr %a44, ptr %a45)
   %t47 = icmp ne i32 %t46, 0
-  br i1 %t47, label %then6042, label %else6043
-then6042:
+  br i1 %t47, label %then6409, label %else6410
+then6409:
   %t48 = load ptr, ptr %a1
   %t49 = load { ptr, i64, i64 }, ptr %a29
   %t50 = load { ptr, i64, i64 }, ptr %a35
   %t51 = load { ptr, i64, i64 }, ptr %a38
   call void @finch.gen.condBr(ptr %t48, { ptr, i64, i64 } %t49, { ptr, i64, i64 } %t50, { ptr, i64, i64 } %t51)
-  br label %endif6044
-else6043:
+  br label %endif6411
+else6410:
   %t52 = load ptr, ptr %a1
   %t53 = load { ptr, i64, i64 }, ptr %a29
   %t54 = load { ptr, i64, i64 }, ptr %a38
   %t55 = load { ptr, i64, i64 }, ptr %a35
   call void @finch.gen.condBr(ptr %t52, { ptr, i64, i64 } %t53, { ptr, i64, i64 } %t54, { ptr, i64, i64 } %t55)
-  br label %endif6044
-endif6044:
+  br label %endif6411
+endif6411:
   %t56 = load ptr, ptr %a1
   %t57 = load { ptr, i64, i64 }, ptr %a35
   call void @finch.gen.label(ptr %t56, { ptr, i64, i64 } %t57)
@@ -54417,18 +64356,18 @@ endif6044:
   %t60 = load { ptr, i64, i64 }, ptr %t59
   %t61 = extractvalue { ptr, i64, i64 } %t60, 1
   %t62 = icmp uge i64 1, %t61
-  br i1 %t62, label %range6045, label %inrange6046
-range6045:
-  call void @finch_panic_index(ptr @.str.4011, i64 3239, i64 1, i64 %t61)
+  br i1 %t62, label %range6412, label %inrange6413
+range6412:
+  call void @finch_panic_index(ptr @.str.4177, i64 3502, i64 1, i64 %t61)
   unreachable
-inrange6046:
+inrange6413:
   %t63 = extractvalue { ptr, i64, i64 } %t60, 0
   %t64 = getelementptr inbounds %S.ast.Node, ptr %t63, i64 1
   %t65 = load %S.ast.Node, ptr %t64
   %t66 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t58, %S.ast.Node %t65)
   store { ptr, i64, i64 } %t66, ptr %a67
   %t68 = load ptr, ptr %a1
-  %t69 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t68, { ptr, i64, i64 } { ptr @.str.4012, i64 10, i64 0 })
+  %t69 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t68, { ptr, i64, i64 } { ptr @.str.4178, i64 10, i64 0 })
   store { ptr, i64, i64 } %t69, ptr %a70
   %t71 = load ptr, ptr %a1
   %t72 = load { ptr, i64, i64 }, ptr %a70
@@ -54442,182 +64381,232 @@ inrange6046:
   %t77 = load ptr, ptr %a1
   %t78 = load { ptr, i64, i64 }, ptr %a38
   call void @finch.gen.label(ptr %t77, { ptr, i64, i64 } %t78)
-  store { ptr, i64, i64 } { ptr @.str.4013, i64 4, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4179, i64 4, i64 0 }, ptr %a79
   %t80 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.4014, i64 2, i64 0 }, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.4180, i64 2, i64 0 }, ptr %a82
   %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
   %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %then6047, label %endif6049
-then6047:
-  store { ptr, i64, i64 } { ptr @.str.4015, i64 5, i64 0 }, ptr %a79
-  br label %endif6049
-endif6049:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.4016, i64 9, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.4017, i64 3, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t94, ptr %a97
-  store { ptr, i64, i64 } %t95, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.4018, i64 6, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t103, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4019, i64 3, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t112, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.4020, i64 2, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = call { ptr, i64, i64 } @finch.gen.op(ptr %t85, { ptr, i64, i64 } %t121)
-  %t123 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t122, 0
-  %t124 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4021, i64 4, i64 0 })
-  %t125 = insertvalue %S.gen.Val %t123, %S.ast.Type %t124, 1
-  ret %S.gen.Val %t125
-endif6039:
-  %t126 = load ptr, ptr %a1
-  %t127 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t128 = load { ptr, i64, i64 }, ptr %t127
-  %t129 = extractvalue { ptr, i64, i64 } %t128, 1
-  %t130 = icmp uge i64 0, %t129
-  br i1 %t130, label %range6050, label %inrange6051
-range6050:
-  call void @finch_panic_index(ptr @.str.4022, i64 3251, i64 0, i64 %t129)
-  unreachable
-inrange6051:
-  %t131 = extractvalue { ptr, i64, i64 } %t128, 0
-  %t132 = getelementptr inbounds %S.ast.Node, ptr %t131, i64 0
-  %t133 = load %S.ast.Node, ptr %t132
-  %t134 = call %S.gen.Val @finch.gen.expr(ptr %t126, %S.ast.Node %t133)
-  store %S.gen.Val %t134, ptr %a135
+  br i1 %t84, label %then6414, label %endif6416
+then6414:
+  %t85 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4181, i64 5, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  br label %endif6416
+endif6416:
+  %t87 = load ptr, ptr %a1
+  %t88 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4182, i64 9, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4183, i64 3, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load { ptr, i64, i64 }, ptr %a32
+  store { ptr, i64, i64 } %t97, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.4184, i64 6, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t108, ptr %a111
+  store { ptr, i64, i64 } %t109, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.4185, i64 3, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t119, ptr %a122
+  store { ptr, i64, i64 } %t120, ptr %a123
+  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
+  store { ptr, i64, i64 } %t119, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  store { ptr, i64, i64 } %t125, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.4186, i64 2, i64 0 }, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t125, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  %t131 = call { ptr, i64, i64 } @finch.gen.op(ptr %t87, { ptr, i64, i64 } %t130)
+  store { ptr, i64, i64 } %t130, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t131, 0
+  %t134 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4187, i64 4, i64 0 })
+  %t135 = insertvalue %S.gen.Val %t133, %S.ast.Type %t134, 1
+  call void @finch_str_drop(ptr %a79)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a67)
+  call void @finch_str_drop(ptr %a38)
+  call void @finch_str_drop(ptr %a35)
+  call void @finch_str_drop(ptr %a32)
+  call void @finch_str_drop(ptr %a29)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t135
+endif6406:
   %t136 = load ptr, ptr %a1
   %t137 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t138 = load { ptr, i64, i64 }, ptr %t137
   %t139 = extractvalue { ptr, i64, i64 } %t138, 1
-  %t140 = icmp uge i64 1, %t139
-  br i1 %t140, label %range6052, label %inrange6053
-range6052:
-  call void @finch_panic_index(ptr @.str.4023, i64 3252, i64 1, i64 %t139)
+  %t140 = icmp uge i64 0, %t139
+  br i1 %t140, label %range6417, label %inrange6418
+range6417:
+  call void @finch_panic_index(ptr @.str.4188, i64 3514, i64 0, i64 %t139)
   unreachable
-inrange6053:
+inrange6418:
   %t141 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t142 = getelementptr inbounds %S.ast.Node, ptr %t141, i64 1
+  %t142 = getelementptr inbounds %S.ast.Node, ptr %t141, i64 0
   %t143 = load %S.ast.Node, ptr %t142
   %t144 = call %S.gen.Val @finch.gen.expr(ptr %t136, %S.ast.Node %t143)
   store %S.gen.Val %t144, ptr %a145
-  %t146 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t146, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.4024, i64 2, i64 0 }, ptr %a148
-  %t149 = call i32 @finch_str_eq(ptr %a147, ptr %a148)
-  %t150 = icmp ne i32 %t149, 0
-  br label %logic.from6054
-logic.from6054:
-  br i1 %t150, label %logic.end6056, label %logic.rhs6055
-logic.rhs6055:
-  %t151 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t151, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.4025, i64 2, i64 0 }, ptr %a153
-  %t154 = call i32 @finch_str_eq(ptr %a152, ptr %a153)
-  %t155 = icmp ne i32 %t154, 0
-  br label %logic.rend6057
-logic.rend6057:
-  br label %logic.end6056
-logic.end6056:
-  %t156 = phi i1 [ true, %logic.from6054 ], [ %t155, %logic.rend6057 ]
-  br label %logic.from6058
-logic.from6058:
-  br i1 %t156, label %logic.end6060, label %logic.rhs6059
-logic.rhs6059:
-  %t157 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t157, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.4026, i64 1, i64 0 }, ptr %a159
-  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
-  %t161 = icmp ne i32 %t160, 0
-  br label %logic.rend6061
-logic.rend6061:
-  br label %logic.end6060
-logic.end6060:
-  %t162 = phi i1 [ true, %logic.from6058 ], [ %t161, %logic.rend6061 ]
-  br label %logic.from6062
-logic.from6062:
-  br i1 %t162, label %logic.end6064, label %logic.rhs6063
-logic.rhs6063:
-  %t163 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t163, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.4027, i64 2, i64 0 }, ptr %a165
-  %t166 = call i32 @finch_str_eq(ptr %a164, ptr %a165)
-  %t167 = icmp ne i32 %t166, 0
-  br label %logic.rend6065
-logic.rend6065:
-  br label %logic.end6064
-logic.end6064:
-  %t168 = phi i1 [ true, %logic.from6062 ], [ %t167, %logic.rend6065 ]
-  br label %logic.from6066
-logic.from6066:
-  br i1 %t168, label %logic.end6068, label %logic.rhs6067
-logic.rhs6067:
-  %t169 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t169, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.4028, i64 1, i64 0 }, ptr %a171
-  %t172 = call i32 @finch_str_eq(ptr %a170, ptr %a171)
-  %t173 = icmp ne i32 %t172, 0
-  br label %logic.rend6069
-logic.rend6069:
-  br label %logic.end6068
-logic.end6068:
-  %t174 = phi i1 [ true, %logic.from6066 ], [ %t173, %logic.rend6069 ]
-  br label %logic.from6070
-logic.from6070:
-  br i1 %t174, label %logic.end6072, label %logic.rhs6071
-logic.rhs6071:
-  %t175 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t175, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.4029, i64 2, i64 0 }, ptr %a177
-  %t178 = call i32 @finch_str_eq(ptr %a176, ptr %a177)
-  %t179 = icmp ne i32 %t178, 0
-  br label %logic.rend6073
-logic.rend6073:
-  br label %logic.end6072
-logic.end6072:
-  %t180 = phi i1 [ true, %logic.from6070 ], [ %t179, %logic.rend6073 ]
-  br i1 %t180, label %then6074, label %endif6076
-then6074:
-  %t181 = load ptr, ptr %a1
-  %t182 = load { ptr, i64, i64 }, ptr %a8
-  %t183 = load %S.gen.Val, ptr %a135
-  %t184 = load %S.gen.Val, ptr %a145
-  %t185 = load %S.ast.Node, ptr %a2
-  %t186 = call %S.gen.Val @finch.gen.compare(ptr %t181, { ptr, i64, i64 } %t182, %S.gen.Val %t183, %S.gen.Val %t184, %S.ast.Node %t185)
-  ret %S.gen.Val %t186
-endif6076:
-  %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a8
-  %t189 = load %S.gen.Val, ptr %a135
-  %t190 = load %S.gen.Val, ptr %a145
-  %t191 = load %S.ast.Node, ptr %a2
-  %t192 = call %S.gen.Val @finch.gen.arith(ptr %t187, { ptr, i64, i64 } %t188, %S.gen.Val %t189, %S.gen.Val %t190, %S.ast.Node %t191)
-  ret %S.gen.Val %t192
+  %t146 = load ptr, ptr %a1
+  %t147 = icmp eq ptr %t146, null
+  br i1 %t147, label %panic6419, label %ok6420
+panic6419:
+  call void @finch_panic(ptr @.str.4189, i64 3515, ptr @.str.4190)
+  unreachable
+ok6420:
+  %t148 = getelementptr inbounds %S.gen.Gen, ptr %t146, i32 0, i32 11
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t148, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  store i64 %t150, ptr %a151
+  %t152 = load ptr, ptr %a1
+  %t153 = load %S.gen.Val, ptr %a145
+  call void @finch.gen.hold(ptr %t152, %S.gen.Val %t153)
+  %t154 = load ptr, ptr %a1
+  %t155 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t156 = load { ptr, i64, i64 }, ptr %t155
+  %t157 = extractvalue { ptr, i64, i64 } %t156, 1
+  %t158 = icmp uge i64 1, %t157
+  br i1 %t158, label %range6421, label %inrange6422
+range6421:
+  call void @finch_panic_index(ptr @.str.4191, i64 3517, i64 1, i64 %t157)
+  unreachable
+inrange6422:
+  %t159 = extractvalue { ptr, i64, i64 } %t156, 0
+  %t160 = getelementptr inbounds %S.ast.Node, ptr %t159, i64 1
+  %t161 = load %S.ast.Node, ptr %t160
+  %t162 = call %S.gen.Val @finch.gen.expr(ptr %t154, %S.ast.Node %t161)
+  store %S.gen.Val %t162, ptr %a163
+  %t164 = load ptr, ptr %a1
+  %t165 = load i64, ptr %a151
+  call void @finch.gen.heldEnd(ptr %t164, i64 %t165)
+  %t166 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.4192, i64 2, i64 0 }, ptr %a168
+  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
+  %t170 = icmp ne i32 %t169, 0
+  br label %logic.from6423
+logic.from6423:
+  br i1 %t170, label %logic.end6425, label %logic.rhs6424
+logic.rhs6424:
+  %t171 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t171, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.4193, i64 2, i64 0 }, ptr %a173
+  %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
+  %t175 = icmp ne i32 %t174, 0
+  br label %logic.rend6426
+logic.rend6426:
+  br label %logic.end6425
+logic.end6425:
+  %t176 = phi i1 [ true, %logic.from6423 ], [ %t175, %logic.rend6426 ]
+  br label %logic.from6427
+logic.from6427:
+  br i1 %t176, label %logic.end6429, label %logic.rhs6428
+logic.rhs6428:
+  %t177 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t177, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.4194, i64 1, i64 0 }, ptr %a179
+  %t180 = call i32 @finch_str_eq(ptr %a178, ptr %a179)
+  %t181 = icmp ne i32 %t180, 0
+  br label %logic.rend6430
+logic.rend6430:
+  br label %logic.end6429
+logic.end6429:
+  %t182 = phi i1 [ true, %logic.from6427 ], [ %t181, %logic.rend6430 ]
+  br label %logic.from6431
+logic.from6431:
+  br i1 %t182, label %logic.end6433, label %logic.rhs6432
+logic.rhs6432:
+  %t183 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t183, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.4195, i64 2, i64 0 }, ptr %a185
+  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
+  %t187 = icmp ne i32 %t186, 0
+  br label %logic.rend6434
+logic.rend6434:
+  br label %logic.end6433
+logic.end6433:
+  %t188 = phi i1 [ true, %logic.from6431 ], [ %t187, %logic.rend6434 ]
+  br label %logic.from6435
+logic.from6435:
+  br i1 %t188, label %logic.end6437, label %logic.rhs6436
+logic.rhs6436:
+  %t189 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t189, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.4196, i64 1, i64 0 }, ptr %a191
+  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
+  %t193 = icmp ne i32 %t192, 0
+  br label %logic.rend6438
+logic.rend6438:
+  br label %logic.end6437
+logic.end6437:
+  %t194 = phi i1 [ true, %logic.from6435 ], [ %t193, %logic.rend6438 ]
+  br label %logic.from6439
+logic.from6439:
+  br i1 %t194, label %logic.end6441, label %logic.rhs6440
+logic.rhs6440:
+  %t195 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t195, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.4197, i64 2, i64 0 }, ptr %a197
+  %t198 = call i32 @finch_str_eq(ptr %a196, ptr %a197)
+  %t199 = icmp ne i32 %t198, 0
+  br label %logic.rend6442
+logic.rend6442:
+  br label %logic.end6441
+logic.end6441:
+  %t200 = phi i1 [ true, %logic.from6439 ], [ %t199, %logic.rend6442 ]
+  br i1 %t200, label %then6443, label %endif6445
+then6443:
+  %t201 = load ptr, ptr %a1
+  %t202 = load { ptr, i64, i64 }, ptr %a8
+  %t203 = load %S.gen.Val, ptr %a145
+  %t204 = load %S.gen.Val, ptr %a163
+  %t205 = load %S.ast.Node, ptr %a2
+  %t206 = call %S.gen.Val @finch.gen.compare(ptr %t201, { ptr, i64, i64 } %t202, %S.gen.Val %t203, %S.gen.Val %t204, %S.ast.Node %t205)
+  call void @finch.drop.S_gen_Val(ptr %a163)
+  call void @finch.drop.S_gen_Val(ptr %a145)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t206
+endif6445:
+  %t207 = load ptr, ptr %a1
+  %t208 = load { ptr, i64, i64 }, ptr %a8
+  %t209 = load %S.gen.Val, ptr %a145
+  %t210 = load %S.gen.Val, ptr %a163
+  %t211 = load %S.ast.Node, ptr %a2
+  %t212 = call %S.gen.Val @finch.gen.arith(ptr %t207, { ptr, i64, i64 } %t208, %S.gen.Val %t209, %S.gen.Val %t210, %S.ast.Node %t211)
+  call void @finch.drop.S_gen_Val(ptr %a163)
+  call void @finch.drop.S_gen_Val(ptr %a145)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t212
 }
 
 define internal %S.gen.Val @finch.gen.arrayLit(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -54630,377 +64619,532 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca %S.ast.Type, align 16
   %a20 = alloca %S.ast.Type, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i64, align 16
-  %a38 = alloca %S.ast.Node, align 16
-  %a39 = alloca %S.gen.Val, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca %S.ast.Type, align 16
-  %a52 = alloca %S.ast.Type, align 16
-  %a75 = alloca %S.ast.Type, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.ast.Type, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca i64, align 16
+  %a38 = alloca i64, align 16
+  %a46 = alloca %S.ast.Node, align 16
+  %a47 = alloca %S.gen.Val, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca %S.gen.Val, align 16
+  %a61 = alloca %S.ast.Type, align 16
+  %a62 = alloca %S.ast.Type, align 16
+  %a65 = alloca %S.ast.Type, align 16
+  %a71 = alloca %S.gen.Val, align 16
+  %a78 = alloca %S.gen.Val, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca i64, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.ast.Type, align 16
+  %a103 = alloca %S.ast.Type, align 16
+  %a107 = alloca %S.gen.Val, align 16
+  %a114 = alloca %S.ast.Type, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca i64, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
   %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   %a187 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca %S.ast.Type, align 16
-  %a225 = alloca %S.ast.Type, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca %S.ast.Type, align 16
+  %a290 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
-  %t4 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4030, i64 4, i64 0 })
+  %t4 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4198, i64 4, i64 0 })
   store %S.ast.Type %t4, ptr %a5
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4031, i64 5, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.4199, i64 5, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then6077, label %else6078
-then6077:
+  br i1 %t11, label %then6446, label %else6447
+then6446:
   %t12 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t13 = load { ptr, i64, i64 }, ptr %t12
   %t14 = extractvalue { ptr, i64, i64 } %t13, 1
   %t15 = icmp uge i64 0, %t14
-  br i1 %t15, label %range6080, label %inrange6081
-range6080:
-  call void @finch_panic_index(ptr @.str.4032, i64 3262, i64 0, i64 %t14)
+  br i1 %t15, label %range6449, label %inrange6450
+range6449:
+  call void @finch_panic_index(ptr @.str.4200, i64 3528, i64 0, i64 %t14)
   unreachable
-inrange6081:
+inrange6450:
   %t16 = extractvalue { ptr, i64, i64 } %t13, 0
   %t17 = getelementptr inbounds %S.ast.Type, ptr %t16, i64 0
   %t18 = load %S.ast.Type, ptr %t17
   store %S.ast.Type %t18, ptr %a19
   call void @finch.copy.S_ast_Type(ptr %a20, ptr %a19)
   %t21 = load %S.ast.Type, ptr %a20
+  %t22 = load %S.ast.Type, ptr %a5
   store %S.ast.Type %t21, ptr %a5
-  br label %endif6079
-else6078:
-  %t22 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load i64, ptr %t23
-  %t25 = icmp eq i64 %t24, 0
-  br i1 %t25, label %then6082, label %endif6084
-then6082:
-  %t26 = load ptr, ptr %a1
-  %t27 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t26, %S.ast.Node %t27, { ptr, i64, i64 } { ptr @.str.4033, i64 47, i64 0 })
-  br label %endif6084
-endif6084:
-  br label %endif6079
-endif6079:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a28
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  store i64 0, ptr %a30
-  br label %each.cond6085
-each.cond6085:
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
-  %t32 = load i64, ptr %t31
-  %t33 = load i64, ptr %a30
-  %t34 = icmp slt i64 %t33, %t32
-  br i1 %t34, label %each.body6086, label %each.end6088
-each.body6086:
-  %t35 = load ptr, ptr %t29
-  %t36 = getelementptr inbounds %S.ast.Node, ptr %t35, i64 %t33
-  %t37 = load %S.ast.Node, ptr %t36
-  store %S.ast.Node %t37, ptr %a38
-  store %S.gen.Val zeroinitializer, ptr %a39
-  %t40 = getelementptr inbounds %S.ast.Type, ptr %a5, i32 0, i32 0
-  %t41 = load { ptr, i64, i64 }, ptr %t40
-  store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.4034, i64 4, i64 0 }, ptr %a43
-  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
-  %t45 = icmp ne i32 %t44, 0
-  br i1 %t45, label %then6089, label %else6090
-then6089:
-  %t46 = load ptr, ptr %a1
-  %t47 = load %S.ast.Node, ptr %a38
-  %t48 = call %S.gen.Val @finch.gen.expr(ptr %t46, %S.ast.Node %t47)
-  store %S.gen.Val %t48, ptr %a39
-  %t49 = getelementptr inbounds %S.gen.Val, ptr %a39, i32 0, i32 1
-  %t50 = load %S.ast.Type, ptr %t49
-  store %S.ast.Type %t50, ptr %a51
-  call void @finch.copy.S_ast_Type(ptr %a52, ptr %a51)
-  %t53 = load %S.ast.Type, ptr %a52
-  store %S.ast.Type %t53, ptr %a5
-  br label %endif6091
-else6090:
-  %t54 = load ptr, ptr %a1
-  %t55 = load %S.ast.Node, ptr %a38
-  %t56 = load %S.ast.Type, ptr %a5
-  %t57 = call %S.gen.Val @finch.gen.exprWant(ptr %t54, %S.ast.Node %t55, %S.ast.Type %t56)
-  store %S.gen.Val %t57, ptr %a39
-  br label %endif6091
-endif6091:
-  %t58 = load ptr, ptr %a1
-  %t59 = load %S.gen.Val, ptr %a39
-  %t60 = load %S.ast.Type, ptr %a5
-  %t61 = load %S.ast.Node, ptr %a38
-  %t62 = call %S.gen.Val @finch.gen.coerce(ptr %t58, %S.gen.Val %t59, %S.ast.Type %t60, %S.ast.Node %t61, { ptr, i64, i64 } { ptr @.str.4035, i64 27, i64 0 })
-  store %S.gen.Val %t62, ptr %a39
-  %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.gen.Val, ptr %a39
-  %t66 = call { ptr, i64, i64 } @finch.gen.own(ptr %t64, %S.gen.Val %t65)
-  %t67 = load i64, ptr %t63
-  %t68 = add i64 %t67, 1
-  call void @finch_arr_reserve(ptr %a28, i64 %t68, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t69 = load ptr, ptr %a28
-  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i64 %t67
-  store { ptr, i64, i64 } %t66, ptr %t70
-  store i64 %t68, ptr %t63
-  br label %each.step6087
-each.step6087:
-  %t71 = load i64, ptr %a30
-  %t72 = add i64 %t71, 1
-  store i64 %t72, ptr %a30
-  br label %each.cond6085
-each.end6088:
-  %t73 = load %S.ast.Type, ptr %a5
-  %t74 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t73)
-  store %S.ast.Type %t74, ptr %a75
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t77 = load i64, ptr %t76
-  call void @finch_str_from_int(ptr %a78, i64 %t77)
-  %t79 = load { ptr, i64, i64 }, ptr %a78
-  store { ptr, i64, i64 } %t79, ptr %a80
-  store { ptr, i64, i64 } { ptr @.str.4036, i64 4, i64 0 }, ptr %a81
-  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t83 = load i64, ptr %t82
-  %t84 = icmp sgt i64 %t83, 0
-  br i1 %t84, label %then6092, label %endif6094
-then6092:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } { ptr @.str.4037, i64 8, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.4038, i64 2, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = load ptr, ptr %a1
-  %t96 = load %S.ast.Type, ptr %a5
-  %t97 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t95, %S.ast.Type %t96)
-  store { ptr, i64, i64 } %t94, ptr %a99
-  store { ptr, i64, i64 } %t97, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = call { ptr, i64, i64 } @finch.gen.op(ptr %t85, { ptr, i64, i64 } %t101)
-  store { ptr, i64, i64 } %t102, ptr %a103
-  %t104 = load ptr, ptr %a1
-  %t105 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.4039, i64 26, i64 0 }, ptr %a107
-  store { ptr, i64, i64 } %t105, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  store { ptr, i64, i64 } %t109, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.4040, i64 1, i64 0 }, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  %t114 = call { ptr, i64, i64 } @finch.gen.op(ptr %t104, { ptr, i64, i64 } %t113)
-  store { ptr, i64, i64 } %t114, ptr %a81
-  br label %endif6094
-endif6094:
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t116 = load i64, ptr %t115
-  store i64 0, ptr %a117
-  br label %for.cond6095
-for.cond6095:
-  %t118 = load i64, ptr %a117
-  %t119 = icmp slt i64 %t118, %t116
-  br i1 %t119, label %for.body6096, label %for.end6098
-for.body6096:
-  %t120 = load ptr, ptr %a1
-  %t121 = load ptr, ptr %a1
-  %t122 = load %S.ast.Type, ptr %a5
-  %t123 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t121, %S.ast.Type %t122)
-  store { ptr, i64, i64 } { ptr @.str.4041, i64 23, i64 0 }, ptr %a125
-  store { ptr, i64, i64 } %t123, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  store { ptr, i64, i64 } %t127, ptr %a129
-  store { ptr, i64, i64 } { ptr @.str.4042, i64 6, i64 0 }, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  %t132 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t131, ptr %a134
-  store { ptr, i64, i64 } %t132, ptr %a135
-  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
-  %t136 = load { ptr, i64, i64 }, ptr %a133
-  store { ptr, i64, i64 } %t136, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.4043, i64 6, i64 0 }, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  %t141 = load i64, ptr %a117
-  call void @finch_str_from_int(ptr %a142, i64 %t141)
-  %t143 = load { ptr, i64, i64 }, ptr %a142
-  store { ptr, i64, i64 } %t140, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = call { ptr, i64, i64 } @finch.gen.op(ptr %t120, { ptr, i64, i64 } %t147)
-  store { ptr, i64, i64 } %t148, ptr %a149
-  %t150 = load ptr, ptr %a1
-  %t151 = load ptr, ptr %a1
-  %t152 = load %S.ast.Type, ptr %a5
-  %t153 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t151, %S.ast.Type %t152)
-  %t154 = load i64, ptr %a117
-  %t155 = load { ptr, i64, i64 }, ptr %a28
-  %t156 = extractvalue { ptr, i64, i64 } %t155, 1
-  %t157 = icmp uge i64 %t154, %t156
-  br i1 %t157, label %range6099, label %inrange6100
-range6099:
-  call void @finch_panic_index(ptr @.str.4044, i64 3287, i64 %t154, i64 %t156)
+  store %S.ast.Type %t22, ptr %a23
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  br label %endif6448
+else6447:
+  %t24 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t24, i32 0, i32 1
+  %t26 = load i64, ptr %t25
+  %t27 = icmp eq i64 %t26, 0
+  br i1 %t27, label %then6451, label %endif6453
+then6451:
+  %t28 = load ptr, ptr %a1
+  %t29 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t28, %S.ast.Node %t29, { ptr, i64, i64 } { ptr @.str.4201, i64 47, i64 0 })
+  br label %endif6453
+endif6453:
+  br label %endif6448
+endif6448:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a30
+  %t31 = load ptr, ptr %a1
+  %t32 = icmp eq ptr %t31, null
+  br i1 %t32, label %panic6454, label %ok6455
+panic6454:
+  call void @finch_panic(ptr @.str.4202, i64 3533, ptr @.str.4203)
   unreachable
-inrange6100:
-  %t158 = extractvalue { ptr, i64, i64 } %t155, 0
-  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %t158, i64 %t154
-  %t160 = load { ptr, i64, i64 }, ptr %t159
-  %t161 = load { ptr, i64, i64 }, ptr %a149
-  call void @finch.gen.store(ptr %t150, { ptr, i64, i64 } %t153, { ptr, i64, i64 } %t160, { ptr, i64, i64 } %t161)
-  br label %for.step6097
-for.step6097:
-  %t162 = load i64, ptr %a117
-  %t163 = add i64 %t162, 1
-  store i64 %t163, ptr %a117
-  br label %for.cond6095
-for.end6098:
-  %t164 = load ptr, ptr %a1
-  %t165 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.4045, i64 41, i64 0 }, ptr %a167
-  store { ptr, i64, i64 } %t165, ptr %a168
-  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
-  %t169 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.4046, i64 3, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = call { ptr, i64, i64 } @finch.gen.op(ptr %t164, { ptr, i64, i64 } %t173)
-  store { ptr, i64, i64 } %t174, ptr %a175
-  %t176 = load ptr, ptr %a1
-  %t177 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } { ptr @.str.4047, i64 30, i64 0 }, ptr %a179
-  store { ptr, i64, i64 } %t177, ptr %a180
-  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
-  %t181 = load { ptr, i64, i64 }, ptr %a178
-  store { ptr, i64, i64 } %t181, ptr %a183
-  store { ptr, i64, i64 } { ptr @.str.4048, i64 6, i64 0 }, ptr %a184
+ok6455:
+  %t33 = getelementptr inbounds %S.gen.Gen, ptr %t31, i32 0, i32 11
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i32 0, i32 1
+  %t35 = load i64, ptr %t34
+  store i64 %t35, ptr %a36
+  %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  store i64 0, ptr %a38
+  br label %each.cond6456
+each.cond6456:
+  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i32 0, i32 1
+  %t40 = load i64, ptr %t39
+  %t41 = load i64, ptr %a38
+  %t42 = icmp slt i64 %t41, %t40
+  br i1 %t42, label %each.body6457, label %each.end6459
+each.body6457:
+  %t43 = load ptr, ptr %t37
+  %t44 = getelementptr inbounds %S.ast.Node, ptr %t43, i64 %t41
+  %t45 = load %S.ast.Node, ptr %t44
+  store %S.ast.Node %t45, ptr %a46
+  store %S.gen.Val zeroinitializer, ptr %a47
+  %t48 = getelementptr inbounds %S.ast.Type, ptr %a5, i32 0, i32 0
+  %t49 = load { ptr, i64, i64 }, ptr %t48
+  store { ptr, i64, i64 } %t49, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.4204, i64 4, i64 0 }, ptr %a51
+  %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
+  %t53 = icmp ne i32 %t52, 0
+  br i1 %t53, label %then6460, label %else6461
+then6460:
+  %t54 = load ptr, ptr %a1
+  %t55 = load %S.ast.Node, ptr %a46
+  %t56 = call %S.gen.Val @finch.gen.expr(ptr %t54, %S.ast.Node %t55)
+  %t57 = load %S.gen.Val, ptr %a47
+  store %S.gen.Val %t56, ptr %a47
+  store %S.gen.Val %t57, ptr %a58
+  call void @finch.drop.S_gen_Val(ptr %a58)
+  %t59 = getelementptr inbounds %S.gen.Val, ptr %a47, i32 0, i32 1
+  %t60 = load %S.ast.Type, ptr %t59
+  store %S.ast.Type %t60, ptr %a61
+  call void @finch.copy.S_ast_Type(ptr %a62, ptr %a61)
+  %t63 = load %S.ast.Type, ptr %a62
+  %t64 = load %S.ast.Type, ptr %a5
+  store %S.ast.Type %t63, ptr %a5
+  store %S.ast.Type %t64, ptr %a65
+  call void @finch.drop.S_ast_Type(ptr %a65)
+  br label %endif6462
+else6461:
+  %t66 = load ptr, ptr %a1
+  %t67 = load %S.ast.Node, ptr %a46
+  %t68 = load %S.ast.Type, ptr %a5
+  %t69 = call %S.gen.Val @finch.gen.exprWant(ptr %t66, %S.ast.Node %t67, %S.ast.Type %t68)
+  %t70 = load %S.gen.Val, ptr %a47
+  store %S.gen.Val %t69, ptr %a47
+  store %S.gen.Val %t70, ptr %a71
+  call void @finch.drop.S_gen_Val(ptr %a71)
+  br label %endif6462
+endif6462:
+  %t72 = load ptr, ptr %a1
+  %t73 = load %S.gen.Val, ptr %a47
+  %t74 = load %S.ast.Type, ptr %a5
+  %t75 = load %S.ast.Node, ptr %a46
+  %t76 = call %S.gen.Val @finch.gen.coerce(ptr %t72, %S.gen.Val %t73, %S.ast.Type %t74, %S.ast.Node %t75, { ptr, i64, i64 } { ptr @.str.4205, i64 27, i64 0 })
+  %t77 = load %S.gen.Val, ptr %a47
+  store %S.gen.Val %t76, ptr %a47
+  store %S.gen.Val %t77, ptr %a78
+  call void @finch.drop.S_gen_Val(ptr %a78)
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t80 = load ptr, ptr %a1
+  %t81 = load %S.gen.Val, ptr %a47
+  %t82 = call { ptr, i64, i64 } @finch.gen.own(ptr %t80, %S.gen.Val %t81)
+  %t83 = load i64, ptr %t79
+  %t84 = add i64 %t83, 1
+  call void @finch_arr_reserve(ptr %a30, i64 %t84, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t85 = load ptr, ptr %a30
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i64 %t83
+  store { ptr, i64, i64 } %t82, ptr %t86
+  store i64 %t84, ptr %t79
+  %t87 = load ptr, ptr %a1
+  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t89 = load i64, ptr %t88
+  %t90 = sub i64 %t89, 1
+  %t91 = load { ptr, i64, i64 }, ptr %a30
+  %t92 = extractvalue { ptr, i64, i64 } %t91, 1
+  %t93 = icmp uge i64 %t90, %t92
+  br i1 %t93, label %range6463, label %inrange6464
+range6463:
+  call void @finch_panic_index(ptr @.str.4206, i64 3544, i64 %t90, i64 %t92)
+  unreachable
+inrange6464:
+  %t94 = extractvalue { ptr, i64, i64 } %t91, 0
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i64 %t90
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } %t96, ptr %a97
+  call void @finch_str_copy(ptr %a98, ptr %a97)
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  %t100 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t99, 0
+  %t101 = load %S.ast.Type, ptr %a5
+  store %S.ast.Type %t101, ptr %a102
+  call void @finch.copy.S_ast_Type(ptr %a103, ptr %a102)
+  %t104 = load %S.ast.Type, ptr %a103
+  %t105 = insertvalue %S.gen.Val %t100, %S.ast.Type %t104, 1
+  %t106 = insertvalue %S.gen.Val %t105, i1 true, 2
+  call void @finch.gen.hold(ptr %t87, %S.gen.Val %t106)
+  store %S.gen.Val %t106, ptr %a107
+  call void @finch.drop.S_gen_Val(ptr %a107)
+  call void @finch.drop.S_gen_Val(ptr %a47)
+  br label %each.step6458
+each.step6458:
+  %t108 = load i64, ptr %a38
+  %t109 = add i64 %t108, 1
+  store i64 %t109, ptr %a38
+  br label %each.cond6456
+each.end6459:
+  %t110 = load ptr, ptr %a1
+  %t111 = load i64, ptr %a36
+  call void @finch.gen.heldEnd(ptr %t110, i64 %t111)
+  %t112 = load %S.ast.Type, ptr %a5
+  %t113 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t112)
+  store %S.ast.Type %t113, ptr %a114
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t116 = load i64, ptr %t115
+  call void @finch_str_from_int(ptr %a117, i64 %t116)
+  %t118 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.4207, i64 4, i64 0 }, ptr %a120
+  %t121 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t122 = load i64, ptr %t121
+  %t123 = icmp sgt i64 %t122, 0
+  br i1 %t123, label %then6465, label %endif6467
+then6465:
+  %t124 = load ptr, ptr %a1
+  %t125 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.4208, i64 8, i64 0 }, ptr %a127
+  store { ptr, i64, i64 } %t125, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  %t129 = load { ptr, i64, i64 }, ptr %a126
+  store { ptr, i64, i64 } %t129, ptr %a131
+  store { ptr, i64, i64 } { ptr @.str.4209, i64 2, i64 0 }, ptr %a132
+  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
+  store { ptr, i64, i64 } %t129, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  %t135 = load ptr, ptr %a1
+  %t136 = load %S.ast.Type, ptr %a5
+  %t137 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t135, %S.ast.Type %t136)
+  store { ptr, i64, i64 } %t134, ptr %a139
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t134, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  store { ptr, i64, i64 } %t137, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a138
+  %t144 = call { ptr, i64, i64 } @finch.gen.op(ptr %t124, { ptr, i64, i64 } %t143)
+  store { ptr, i64, i64 } %t143, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  store { ptr, i64, i64 } %t144, ptr %a146
+  %t147 = load ptr, ptr %a1
+  %t148 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } { ptr @.str.4210, i64 26, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.4211, i64 1, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  %t158 = call { ptr, i64, i64 } @finch.gen.op(ptr %t147, { ptr, i64, i64 } %t157)
+  store { ptr, i64, i64 } %t157, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t158, ptr %a120
+  store { ptr, i64, i64 } %t160, ptr %a161
+  call void @finch_str_drop(ptr %a161)
+  call void @finch_str_drop(ptr %a146)
+  br label %endif6467
+endif6467:
+  %t162 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t163 = load i64, ptr %t162
+  store i64 0, ptr %a164
+  br label %for.cond6468
+for.cond6468:
+  %t165 = load i64, ptr %a164
+  %t166 = icmp slt i64 %t165, %t163
+  br i1 %t166, label %for.body6469, label %for.end6471
+for.body6469:
+  %t167 = load ptr, ptr %a1
+  %t168 = load ptr, ptr %a1
+  %t169 = load %S.ast.Type, ptr %a5
+  %t170 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t168, %S.ast.Type %t169)
+  store { ptr, i64, i64 } { ptr @.str.4212, i64 23, i64 0 }, ptr %a172
+  store { ptr, i64, i64 } %t170, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  store { ptr, i64, i64 } %t170, ptr %a174
+  call void @finch_str_drop(ptr %a174)
+  %t175 = load { ptr, i64, i64 }, ptr %a171
+  store { ptr, i64, i64 } %t175, ptr %a177
+  store { ptr, i64, i64 } { ptr @.str.4213, i64 6, i64 0 }, ptr %a178
+  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
+  store { ptr, i64, i64 } %t175, ptr %a179
+  call void @finch_str_drop(ptr %a179)
+  %t180 = load { ptr, i64, i64 }, ptr %a176
+  %t181 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t180, ptr %a183
+  store { ptr, i64, i64 } %t181, ptr %a184
   call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
-  %t185 = load { ptr, i64, i64 }, ptr %a182
-  %t186 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t185, ptr %a188
-  store { ptr, i64, i64 } %t186, ptr %a189
+  store { ptr, i64, i64 } %t180, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a182
+  store { ptr, i64, i64 } %t186, ptr %a188
+  store { ptr, i64, i64 } { ptr @.str.4214, i64 6, i64 0 }, ptr %a189
   call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
-  %t190 = load { ptr, i64, i64 }, ptr %a187
-  store { ptr, i64, i64 } %t190, ptr %a192
-  store { ptr, i64, i64 } { ptr @.str.4049, i64 3, i64 0 }, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  %t195 = call { ptr, i64, i64 } @finch.gen.op(ptr %t176, { ptr, i64, i64 } %t194)
-  store { ptr, i64, i64 } %t195, ptr %a196
-  %t197 = load ptr, ptr %a1
-  %t198 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.4050, i64 30, i64 0 }, ptr %a200
-  store { ptr, i64, i64 } %t198, ptr %a201
-  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
-  %t202 = load { ptr, i64, i64 }, ptr %a199
-  store { ptr, i64, i64 } %t202, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.4051, i64 6, i64 0 }, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  %t207 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t206, ptr %a209
-  store { ptr, i64, i64 } %t207, ptr %a210
-  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
-  %t211 = load { ptr, i64, i64 }, ptr %a208
-  store { ptr, i64, i64 } %t211, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.4052, i64 3, i64 0 }, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  %t216 = call { ptr, i64, i64 } @finch.gen.op(ptr %t197, { ptr, i64, i64 } %t215)
-  store { ptr, i64, i64 } %t216, ptr %a217
-  %t218 = load { ptr, i64, i64 }, ptr %a217
-  store { ptr, i64, i64 } %t218, ptr %a219
-  call void @finch_str_copy(ptr %a220, ptr %a219)
-  %t221 = load { ptr, i64, i64 }, ptr %a220
-  %t222 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t221, 0
-  %t223 = load %S.ast.Type, ptr %a75
-  store %S.ast.Type %t223, ptr %a224
-  call void @finch.copy.S_ast_Type(ptr %a225, ptr %a224)
-  %t226 = load %S.ast.Type, ptr %a225
-  %t227 = insertvalue %S.gen.Val %t222, %S.ast.Type %t226, 1
-  %t228 = insertvalue %S.gen.Val %t227, i1 true, 2
-  ret %S.gen.Val %t228
+  store { ptr, i64, i64 } %t186, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a187
+  %t192 = load i64, ptr %a164
+  call void @finch_str_from_int(ptr %a193, i64 %t192)
+  %t194 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t191, ptr %a196
+  store { ptr, i64, i64 } %t194, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t191, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  store { ptr, i64, i64 } %t194, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = load { ptr, i64, i64 }, ptr %a195
+  %t201 = call { ptr, i64, i64 } @finch.gen.op(ptr %t167, { ptr, i64, i64 } %t200)
+  store { ptr, i64, i64 } %t200, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  store { ptr, i64, i64 } %t201, ptr %a203
+  %t204 = load ptr, ptr %a1
+  %t205 = load ptr, ptr %a1
+  %t206 = load %S.ast.Type, ptr %a5
+  %t207 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t205, %S.ast.Type %t206)
+  %t208 = load i64, ptr %a164
+  %t209 = load { ptr, i64, i64 }, ptr %a30
+  %t210 = extractvalue { ptr, i64, i64 } %t209, 1
+  %t211 = icmp uge i64 %t208, %t210
+  br i1 %t211, label %range6472, label %inrange6473
+range6472:
+  call void @finch_panic_index(ptr @.str.4215, i64 3556, i64 %t208, i64 %t210)
+  unreachable
+inrange6473:
+  %t212 = extractvalue { ptr, i64, i64 } %t209, 0
+  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i64 %t208
+  %t214 = load { ptr, i64, i64 }, ptr %t213
+  %t215 = load { ptr, i64, i64 }, ptr %a203
+  call void @finch.gen.store(ptr %t204, { ptr, i64, i64 } %t207, { ptr, i64, i64 } %t214, { ptr, i64, i64 } %t215)
+  store { ptr, i64, i64 } %t207, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  call void @finch_str_drop(ptr %a203)
+  br label %for.step6470
+for.step6470:
+  %t217 = load i64, ptr %a164
+  %t218 = add i64 %t217, 1
+  store i64 %t218, ptr %a164
+  br label %for.cond6468
+for.end6471:
+  %t219 = load ptr, ptr %a1
+  %t220 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.4216, i64 41, i64 0 }, ptr %a222
+  store { ptr, i64, i64 } %t220, ptr %a223
+  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a221
+  store { ptr, i64, i64 } %t224, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.4217, i64 3, i64 0 }, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t224, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  %t230 = call { ptr, i64, i64 } @finch.gen.op(ptr %t219, { ptr, i64, i64 } %t229)
+  store { ptr, i64, i64 } %t229, ptr %a231
+  call void @finch_str_drop(ptr %a231)
+  store { ptr, i64, i64 } %t230, ptr %a232
+  %t233 = load ptr, ptr %a1
+  %t234 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.4218, i64 30, i64 0 }, ptr %a236
+  store { ptr, i64, i64 } %t234, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a235
+  store { ptr, i64, i64 } %t238, ptr %a240
+  store { ptr, i64, i64 } { ptr @.str.4219, i64 6, i64 0 }, ptr %a241
+  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
+  store { ptr, i64, i64 } %t238, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load { ptr, i64, i64 }, ptr %a239
+  %t244 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } %t243, ptr %a246
+  store { ptr, i64, i64 } %t244, ptr %a247
+  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
+  store { ptr, i64, i64 } %t243, ptr %a248
+  call void @finch_str_drop(ptr %a248)
+  %t249 = load { ptr, i64, i64 }, ptr %a245
+  store { ptr, i64, i64 } %t249, ptr %a251
+  store { ptr, i64, i64 } { ptr @.str.4220, i64 3, i64 0 }, ptr %a252
+  call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
+  store { ptr, i64, i64 } %t249, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a250
+  %t255 = call { ptr, i64, i64 } @finch.gen.op(ptr %t233, { ptr, i64, i64 } %t254)
+  store { ptr, i64, i64 } %t254, ptr %a256
+  call void @finch_str_drop(ptr %a256)
+  store { ptr, i64, i64 } %t255, ptr %a257
+  %t258 = load ptr, ptr %a1
+  %t259 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } { ptr @.str.4221, i64 30, i64 0 }, ptr %a261
+  store { ptr, i64, i64 } %t259, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  %t263 = load { ptr, i64, i64 }, ptr %a260
+  store { ptr, i64, i64 } %t263, ptr %a265
+  store { ptr, i64, i64 } { ptr @.str.4222, i64 6, i64 0 }, ptr %a266
+  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
+  store { ptr, i64, i64 } %t263, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a264
+  %t269 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } %t268, ptr %a271
+  store { ptr, i64, i64 } %t269, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t268, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.4223, i64 3, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  call void @finch_str_drop(ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a275
+  %t280 = call { ptr, i64, i64 } @finch.gen.op(ptr %t258, { ptr, i64, i64 } %t279)
+  store { ptr, i64, i64 } %t279, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  store { ptr, i64, i64 } %t280, ptr %a282
+  %t283 = load { ptr, i64, i64 }, ptr %a282
+  store { ptr, i64, i64 } %t283, ptr %a284
+  call void @finch_str_copy(ptr %a285, ptr %a284)
+  %t286 = load { ptr, i64, i64 }, ptr %a285
+  %t287 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t286, 0
+  %t288 = load %S.ast.Type, ptr %a114
+  store %S.ast.Type %t288, ptr %a289
+  call void @finch.copy.S_ast_Type(ptr %a290, ptr %a289)
+  %t291 = load %S.ast.Type, ptr %a290
+  %t292 = insertvalue %S.gen.Val %t287, %S.ast.Type %t291, 1
+  %t293 = insertvalue %S.gen.Val %t292, i1 true, 2
+  call void @finch_str_drop(ptr %a282)
+  call void @finch_str_drop(ptr %a257)
+  call void @finch_str_drop(ptr %a232)
+  call void @finch_str_drop(ptr %a120)
+  call void @finch_str_drop(ptr %a119)
+  call void @finch.drop.S_ast_Type(ptr %a114)
+  call void @finch.drop.arr_str(ptr %a30)
+  call void @finch.drop.S_ast_Type(ptr %a5)
+  ret %S.gen.Val %t293
 }
 
 define internal void @finch.copy.S_gen_Place(ptr %dst, ptr %src) {
@@ -55030,70 +65174,77 @@ entry:
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca %S.gen.Ref, align 16
-  %a40 = alloca %S.gen.Place, align 16
-  %a41 = alloca %S.gen.Place, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.gen.Ref, align 16
+  %a42 = alloca %S.gen.Place, align 16
+  %a43 = alloca %S.gen.Place, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4053, i64 3, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.4224, i64 3, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.from6101
-logic.from6101:
-  br i1 %t9, label %logic.rhs6102, label %logic.end6103
-logic.rhs6102:
+  br label %logic.from6474
+logic.from6474:
+  br i1 %t9, label %logic.rhs6475, label %logic.end6476
+logic.rhs6475:
   %t10 = load ptr, ptr %a1
   %t11 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t12 = load { ptr, i64, i64 }, ptr %t11
   %t13 = call i64 @finch.gen.lookup(ptr %t10, { ptr, i64, i64 } %t12)
   %t14 = icmp slt i64 %t13, 0
-  br label %logic.rend6104
-logic.rend6104:
-  br label %logic.end6103
-logic.end6103:
-  %t15 = phi i1 [ false, %logic.from6101 ], [ %t14, %logic.rend6104 ]
-  br i1 %t15, label %then6105, label %endif6107
-then6105:
+  br label %logic.rend6477
+logic.rend6477:
+  br label %logic.end6476
+logic.end6476:
+  %t15 = phi i1 [ false, %logic.from6474 ], [ %t14, %logic.rend6477 ]
+  br i1 %t15, label %then6478, label %endif6480
+then6478:
   %t16 = load ptr, ptr %a1
   %t17 = load %S.ast.Node, ptr %a2
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t19 = load { ptr, i64, i64 }, ptr %t18
-  store { ptr, i64, i64 } { ptr @.str.4054, i64 28, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4225, i64 28, i64 0 }, ptr %a21
   store { ptr, i64, i64 } %t19, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
   %t23 = load { ptr, i64, i64 }, ptr %a20
   store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.4055, i64 1, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.4226, i64 1, i64 0 }, ptr %a26
   call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } %t27)
-  br label %endif6107
-endif6107:
-  %t28 = load ptr, ptr %a1
-  %t29 = load %S.ast.Node, ptr %a2
-  %t30 = load i1, ptr %a3
-  %t31 = call %S.gen.Ref @finch.gen.ref(ptr %t28, %S.ast.Node %t29, i1 %t30)
-  store %S.gen.Ref %t31, ptr %a32
-  %t33 = getelementptr inbounds %S.gen.Ref, ptr %a32, i32 0, i32 0
-  %t34 = load i1, ptr %t33
-  %t35 = xor i1 %t34, true
-  br i1 %t35, label %then6108, label %endif6110
-then6108:
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } { ptr @.str.4056, i64 60, i64 0 })
-  br label %endif6110
-endif6110:
-  %t38 = getelementptr inbounds %S.gen.Ref, ptr %a32, i32 0, i32 1
-  %t39 = load %S.gen.Place, ptr %t38
-  store %S.gen.Place %t39, ptr %a40
-  call void @finch.copy.S_gen_Place(ptr %a41, ptr %a40)
-  %t42 = load %S.gen.Place, ptr %a41
-  ret %S.gen.Place %t42
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } %t28)
+  store { ptr, i64, i64 } %t28, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  br label %endif6480
+endif6480:
+  %t30 = load ptr, ptr %a1
+  %t31 = load %S.ast.Node, ptr %a2
+  %t32 = load i1, ptr %a3
+  %t33 = call %S.gen.Ref @finch.gen.ref(ptr %t30, %S.ast.Node %t31, i1 %t32)
+  store %S.gen.Ref %t33, ptr %a34
+  %t35 = getelementptr inbounds %S.gen.Ref, ptr %a34, i32 0, i32 0
+  %t36 = load i1, ptr %t35
+  %t37 = xor i1 %t36, true
+  br i1 %t37, label %then6481, label %endif6483
+then6481:
+  %t38 = load ptr, ptr %a1
+  %t39 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t38, %S.ast.Node %t39, { ptr, i64, i64 } { ptr @.str.4227, i64 60, i64 0 })
+  br label %endif6483
+endif6483:
+  %t40 = getelementptr inbounds %S.gen.Ref, ptr %a34, i32 0, i32 1
+  %t41 = load %S.gen.Place, ptr %t40
+  store %S.gen.Place %t41, ptr %a42
+  call void @finch.copy.S_gen_Place(ptr %a43, ptr %a42)
+  %t44 = load %S.gen.Place, ptr %a43
+  call void @finch.drop.S_gen_Ref(ptr %a34)
+  ret %S.gen.Place %t44
 }
 
 define internal void @finch.copy.S_cimport_CConst(ptr %dst, ptr %src) {
@@ -55134,93 +65285,112 @@ entry:
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca %S.ast.Type, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca i64, align 16
-  %a184 = alloca i64, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca %S.ast.Type, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca i64, align 16
+  %a190 = alloca i64, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca %S.ast.Type, align 16
-  %a246 = alloca %S.ast.Type, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca %S.ast.Type, align 16
+  %a256 = alloca %S.ast.Type, align 16
   %a270 = alloca { ptr, i64, i64 }, align 16
   %a271 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a274 = alloca { ptr, i64, i64 }, align 16
   %a275 = alloca { ptr, i64, i64 }, align 16
   %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca %S.gen.Var, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
   %a305 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a309 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca %S.gen.Var, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a332 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca %S.ast.Type, align 16
-  %a338 = alloca %S.ast.Type, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca %S.ast.Type, align 16
+  %a359 = alloca %S.ast.Type, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4057, i64 3, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.4228, i64 3, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then6111, label %endif6113
-then6111:
+  br i1 %t9, label %then6484, label %endif6486
+then6484:
   %t10 = load ptr, ptr %a1
   %t11 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t12 = load { ptr, i64, i64 }, ptr %t11
@@ -55228,53 +65398,53 @@ then6111:
   store i64 %t13, ptr %a14
   %t15 = load i64, ptr %a14
   %t16 = icmp slt i64 %t15, 0
-  br label %logic.from6114
-logic.from6114:
-  br i1 %t16, label %logic.rhs6115, label %logic.end6116
-logic.rhs6115:
+  br label %logic.from6487
+logic.from6487:
+  br i1 %t16, label %logic.rhs6488, label %logic.end6489
+logic.rhs6488:
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic6117, label %ok6118
-panic6117:
-  call void @finch_panic(ptr @.str.4058, i64 3311, ptr @.str.4059)
+  br i1 %t18, label %panic6490, label %ok6491
+panic6490:
+  call void @finch_panic(ptr @.str.4229, i64 3580, ptr @.str.4230)
   unreachable
-ok6118:
-  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 24
+ok6491:
+  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 25
   %t20 = getelementptr inbounds %S.cimport.CImports, ptr %t19, i32 0, i32 1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
   %t24 = call i64 @finch_map_find(ptr %t20, ptr %a23, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t25 = icmp sge i64 %t24, 0
-  br label %logic.rend6119
-logic.rend6119:
-  br label %logic.end6116
-logic.end6116:
-  %t26 = phi i1 [ false, %logic.from6114 ], [ %t25, %logic.rend6119 ]
-  br i1 %t26, label %then6120, label %endif6122
-then6120:
+  br label %logic.rend6492
+logic.rend6492:
+  br label %logic.end6489
+logic.end6489:
+  %t26 = phi i1 [ false, %logic.from6487 ], [ %t25, %logic.rend6492 ]
+  br i1 %t26, label %then6493, label %endif6495
+then6493:
   %t27 = load ptr, ptr %a1
   %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic6123, label %ok6124
-panic6123:
-  call void @finch_panic(ptr @.str.4060, i64 3312, ptr @.str.4061)
+  br i1 %t28, label %panic6496, label %ok6497
+panic6496:
+  call void @finch_panic(ptr @.str.4231, i64 3581, ptr @.str.4232)
   unreachable
-ok6124:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 24
+ok6497:
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 25
   %t30 = getelementptr inbounds %S.cimport.CImports, ptr %t29, i32 0, i32 1
   %t31 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t32 = load { ptr, i64, i64 }, ptr %t31
   store { ptr, i64, i64 } %t32, ptr %a33
   %t34 = call i64 @finch_map_find(ptr %t30, ptr %a33, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t35 = icmp slt i64 %t34, 0
-  br i1 %t35, label %map.missing6125, label %map.found6126
-map.missing6125:
+  br i1 %t35, label %map.missing6498, label %map.found6499
+map.missing6498:
   store { ptr, i64, i64 } zeroinitializer, ptr %a36
   store { ptr, i64, i64 } %t32, ptr %a37
   call void @finch_buf_str(ptr %a36, ptr %a37, i32 1)
-  call void @finch_map_missing(ptr @.str.4062, i64 3312, ptr %a36)
+  call void @finch_map_missing(ptr @.str.4233, i64 3581, ptr %a36)
   unreachable
-map.found6126:
+map.found6499:
   %t38 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t30, i32 0, i32 0
   %t39 = load ptr, ptr %t38
   %t40 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t39, i64 %t34
@@ -55286,45 +65456,47 @@ map.found6126:
   store %S.cimport.CConst %t45, ptr %a46
   %t47 = getelementptr inbounds %S.cimport.CConst, ptr %a46, i32 0, i32 0
   %t48 = load i1, ptr %t47
-  br i1 %t48, label %then6127, label %endif6129
-then6127:
+  br i1 %t48, label %then6500, label %endif6502
+then6500:
   %t49 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
   %t50 = getelementptr inbounds %S.cimport.CConst, ptr %a46, i32 0, i32 3
   %t51 = load { ptr, i64, i64 }, ptr %t50
   %t52 = call { ptr, i64, i64 } @finch.gen.llFloat({ ptr, i64, i64 } %t51)
   %t53 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t52, 0
-  %t54 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4063, i64 5, i64 0 })
+  %t54 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4234, i64 5, i64 0 })
   %t55 = insertvalue %S.gen.Val %t53, %S.ast.Type %t54, 1
   %t56 = insertvalue %S.gen.Val %t55, i1 true, 3
   %t57 = insertvalue %S.gen.Ref %t49, %S.gen.Val %t56, 2
+  call void @finch.drop.S_cimport_CConst(ptr %a46)
   ret %S.gen.Ref %t57
-endif6129:
+endif6502:
   %t58 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
   %t59 = getelementptr inbounds %S.cimport.CConst, ptr %a46, i32 0, i32 1
   %t60 = load i64, ptr %t59
   call void @finch_str_from_int(ptr %a61, i64 %t60)
   %t62 = load { ptr, i64, i64 }, ptr %a61
   %t63 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t62, 0
-  %t64 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4064, i64 3, i64 0 })
+  %t64 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4235, i64 3, i64 0 })
   %t65 = insertvalue %S.gen.Val %t63, %S.ast.Type %t64, 1
   %t66 = insertvalue %S.gen.Val %t65, i1 true, 3
   %t67 = insertvalue %S.gen.Ref %t58, %S.gen.Val %t66, 2
+  call void @finch.drop.S_cimport_CConst(ptr %a46)
   ret %S.gen.Ref %t67
-endif6122:
+endif6495:
   %t68 = load i64, ptr %a14
   %t69 = icmp slt i64 %t68, 0
-  br label %logic.from6130
-logic.from6130:
-  br i1 %t69, label %logic.rhs6131, label %logic.end6132
-logic.rhs6131:
+  br label %logic.from6503
+logic.from6503:
+  br i1 %t69, label %logic.rhs6504, label %logic.end6505
+logic.rhs6504:
   %t70 = load ptr, ptr %a1
   %t71 = icmp eq ptr %t70, null
-  br i1 %t71, label %panic6133, label %ok6134
-panic6133:
-  call void @finch_panic(ptr @.str.4065, i64 3319, ptr @.str.4066)
+  br i1 %t71, label %panic6506, label %ok6507
+panic6506:
+  call void @finch_panic(ptr @.str.4236, i64 3588, ptr @.str.4237)
   unreachable
-ok6134:
-  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 24
+ok6507:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 25
   %t73 = getelementptr inbounds %S.cimport.CImports, ptr %t72, i32 0, i32 2
   %t74 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t75 = load { ptr, i64, i64 }, ptr %t74
@@ -55332,437 +65504,480 @@ ok6134:
   %t77 = call i64 @finch_map_find(ptr %t73, ptr %a76, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t78 = icmp sge i64 %t77, 0
   %t79 = xor i1 %t78, true
-  br label %logic.rend6135
-logic.rend6135:
-  br label %logic.end6132
-logic.end6132:
-  %t80 = phi i1 [ false, %logic.from6130 ], [ %t79, %logic.rend6135 ]
-  br label %logic.from6136
-logic.from6136:
-  br i1 %t80, label %logic.rhs6137, label %logic.end6138
-logic.rhs6137:
+  br label %logic.rend6508
+logic.rend6508:
+  br label %logic.end6505
+logic.end6505:
+  %t80 = phi i1 [ false, %logic.from6503 ], [ %t79, %logic.rend6508 ]
+  br label %logic.from6509
+logic.from6509:
+  br i1 %t80, label %logic.rhs6510, label %logic.end6511
+logic.rhs6510:
   %t81 = load ptr, ptr %a1
   %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic6139, label %ok6140
-panic6139:
-  call void @finch_panic(ptr @.str.4067, i64 3319, ptr @.str.4068)
+  br i1 %t82, label %panic6512, label %ok6513
+panic6512:
+  call void @finch_panic(ptr @.str.4238, i64 3588, ptr @.str.4239)
   unreachable
-ok6140:
-  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 24
+ok6513:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 25
   %t84 = getelementptr inbounds %S.cimport.CImports, ptr %t83, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4069, i64 7, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.4240, i64 7, i64 0 }, ptr %a85
   %t86 = call i64 @finch_map_find(ptr %t84, ptr %a85, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t87 = icmp sge i64 %t86, 0
-  br label %logic.rend6141
-logic.rend6141:
-  br label %logic.end6138
-logic.end6138:
-  %t88 = phi i1 [ false, %logic.from6136 ], [ %t87, %logic.rend6141 ]
-  br label %logic.from6142
-logic.from6142:
-  br i1 %t88, label %logic.rhs6143, label %logic.end6144
-logic.rhs6143:
+  br label %logic.rend6514
+logic.rend6514:
+  br label %logic.end6511
+logic.end6511:
+  %t88 = phi i1 [ false, %logic.from6509 ], [ %t87, %logic.rend6514 ]
+  br label %logic.from6515
+logic.from6515:
+  br i1 %t88, label %logic.rhs6516, label %logic.end6517
+logic.rhs6516:
   %t89 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t90 = load { ptr, i64, i64 }, ptr %t89
   store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.4070, i64 5, i64 0 }, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.4241, i64 5, i64 0 }, ptr %a92
   %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
   %t94 = icmp ne i32 %t93, 0
-  br label %logic.from6145
-logic.from6145:
-  br i1 %t94, label %logic.end6147, label %logic.rhs6146
-logic.rhs6146:
+  br label %logic.from6518
+logic.from6518:
+  br i1 %t94, label %logic.end6520, label %logic.rhs6519
+logic.rhs6519:
   %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t96 = load { ptr, i64, i64 }, ptr %t95
   store { ptr, i64, i64 } %t96, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.4071, i64 6, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.4242, i64 6, i64 0 }, ptr %a98
   %t99 = call i32 @finch_str_eq(ptr %a97, ptr %a98)
   %t100 = icmp ne i32 %t99, 0
-  br label %logic.rend6148
-logic.rend6148:
-  br label %logic.end6147
-logic.end6147:
-  %t101 = phi i1 [ true, %logic.from6145 ], [ %t100, %logic.rend6148 ]
-  br label %logic.from6149
-logic.from6149:
-  br i1 %t101, label %logic.end6151, label %logic.rhs6150
-logic.rhs6150:
+  br label %logic.rend6521
+logic.rend6521:
+  br label %logic.end6520
+logic.end6520:
+  %t101 = phi i1 [ true, %logic.from6518 ], [ %t100, %logic.rend6521 ]
+  br label %logic.from6522
+logic.from6522:
+  br i1 %t101, label %logic.end6524, label %logic.rhs6523
+logic.rhs6523:
   %t102 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t103 = load { ptr, i64, i64 }, ptr %t102
   store { ptr, i64, i64 } %t103, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.4072, i64 6, i64 0 }, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.4243, i64 6, i64 0 }, ptr %a105
   %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
   %t107 = icmp ne i32 %t106, 0
-  br label %logic.rend6152
-logic.rend6152:
-  br label %logic.end6151
-logic.end6151:
-  %t108 = phi i1 [ true, %logic.from6149 ], [ %t107, %logic.rend6152 ]
-  br label %logic.rend6153
-logic.rend6153:
-  br label %logic.end6144
-logic.end6144:
-  %t109 = phi i1 [ false, %logic.from6142 ], [ %t108, %logic.rend6153 ]
-  br i1 %t109, label %then6154, label %endif6156
-then6154:
-  store { ptr, i64, i64 } { ptr @.str.4073, i64 1, i64 0 }, ptr %a110
+  br label %logic.rend6525
+logic.rend6525:
+  br label %logic.end6524
+logic.end6524:
+  %t108 = phi i1 [ true, %logic.from6522 ], [ %t107, %logic.rend6525 ]
+  br label %logic.rend6526
+logic.rend6526:
+  br label %logic.end6517
+logic.end6517:
+  %t109 = phi i1 [ false, %logic.from6515 ], [ %t108, %logic.rend6526 ]
+  br i1 %t109, label %then6527, label %endif6529
+then6527:
+  store { ptr, i64, i64 } { ptr @.str.4244, i64 1, i64 0 }, ptr %a110
   %t111 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t112 = load { ptr, i64, i64 }, ptr %t111
   store { ptr, i64, i64 } %t112, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.4074, i64 5, i64 0 }, ptr %a114
+  store { ptr, i64, i64 } { ptr @.str.4245, i64 5, i64 0 }, ptr %a114
   %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
   %t116 = icmp ne i32 %t115, 0
-  br i1 %t116, label %then6157, label %else6158
-then6157:
-  store { ptr, i64, i64 } { ptr @.str.4075, i64 1, i64 0 }, ptr %a110
-  br label %endif6159
-else6158:
-  %t117 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t118 = load { ptr, i64, i64 }, ptr %t117
-  store { ptr, i64, i64 } %t118, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.4076, i64 6, i64 0 }, ptr %a120
-  %t121 = call i32 @finch_str_eq(ptr %a119, ptr %a120)
-  %t122 = icmp ne i32 %t121, 0
-  br i1 %t122, label %then6160, label %endif6162
-then6160:
-  store { ptr, i64, i64 } { ptr @.str.4077, i64 1, i64 0 }, ptr %a110
-  br label %endif6162
-endif6162:
-  br label %endif6159
-endif6159:
-  %t123 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t124 = load ptr, ptr %a1
+  br i1 %t116, label %then6530, label %else6531
+then6530:
+  %t117 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.4246, i64 1, i64 0 }, ptr %a110
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  br label %endif6532
+else6531:
+  %t119 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t120 = load { ptr, i64, i64 }, ptr %t119
+  store { ptr, i64, i64 } %t120, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.4247, i64 6, i64 0 }, ptr %a122
+  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
+  %t124 = icmp ne i32 %t123, 0
+  br i1 %t124, label %then6533, label %endif6535
+then6533:
   %t125 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4078, i64 31, i64 0 }, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t129, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4079, i64 1, i64 0 }, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.4248, i64 1, i64 0 }, ptr %a110
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  br label %endif6535
+endif6535:
+  br label %endif6532
+endif6532:
+  %t127 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t128 = load ptr, ptr %a1
+  %t129 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.4249, i64 31, i64 0 }, ptr %a131
+  store { ptr, i64, i64 } %t129, ptr %a132
   call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
   %t133 = load { ptr, i64, i64 }, ptr %a130
-  %t134 = call { ptr, i64, i64 } @finch.gen.op(ptr %t124, { ptr, i64, i64 } %t133)
-  %t135 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t134, 0
-  %t136 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4080, i64 3, i64 0 })
-  %t137 = insertvalue %S.gen.Val %t135, %S.ast.Type %t136, 1
-  %t138 = insertvalue %S.gen.Ref %t123, %S.gen.Val %t137, 2
-  ret %S.gen.Ref %t138
-endif6156:
-  %t139 = load i64, ptr %a14
-  %t140 = icmp slt i64 %t139, 0
-  br label %logic.from6163
-logic.from6163:
-  br i1 %t140, label %logic.rhs6164, label %logic.end6165
-logic.rhs6164:
-  %t141 = load ptr, ptr %a1
-  %t142 = icmp eq ptr %t141, null
-  br i1 %t142, label %panic6166, label %ok6167
-panic6166:
-  call void @finch_panic(ptr @.str.4081, i64 3328, ptr @.str.4082)
+  store { ptr, i64, i64 } %t133, ptr %a135
+  store { ptr, i64, i64 } { ptr @.str.4250, i64 1, i64 0 }, ptr %a136
+  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
+  store { ptr, i64, i64 } %t133, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  %t138 = load { ptr, i64, i64 }, ptr %a134
+  %t139 = call { ptr, i64, i64 } @finch.gen.op(ptr %t128, { ptr, i64, i64 } %t138)
+  store { ptr, i64, i64 } %t138, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
+  %t142 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4251, i64 3, i64 0 })
+  %t143 = insertvalue %S.gen.Val %t141, %S.ast.Type %t142, 1
+  %t144 = insertvalue %S.gen.Ref %t127, %S.gen.Val %t143, 2
+  call void @finch_str_drop(ptr %a110)
+  ret %S.gen.Ref %t144
+endif6529:
+  %t145 = load i64, ptr %a14
+  %t146 = icmp slt i64 %t145, 0
+  br label %logic.from6536
+logic.from6536:
+  br i1 %t146, label %logic.rhs6537, label %logic.end6538
+logic.rhs6537:
+  %t147 = load ptr, ptr %a1
+  %t148 = icmp eq ptr %t147, null
+  br i1 %t148, label %panic6539, label %ok6540
+panic6539:
+  call void @finch_panic(ptr @.str.4252, i64 3597, ptr @.str.4253)
   unreachable
-ok6167:
-  %t143 = getelementptr inbounds %S.gen.Gen, ptr %t141, i32 0, i32 24
-  %t144 = getelementptr inbounds %S.cimport.CImports, ptr %t143, i32 0, i32 2
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t146 = load { ptr, i64, i64 }, ptr %t145
-  store { ptr, i64, i64 } %t146, ptr %a147
-  %t148 = call i64 @finch_map_find(ptr %t144, ptr %a147, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t149 = icmp sge i64 %t148, 0
-  br label %logic.rend6168
-logic.rend6168:
-  br label %logic.end6165
-logic.end6165:
-  %t150 = phi i1 [ false, %logic.from6163 ], [ %t149, %logic.rend6168 ]
-  br i1 %t150, label %then6169, label %endif6171
-then6169:
-  %t151 = load ptr, ptr %a1
-  %t152 = load ptr, ptr %a1
-  %t153 = icmp eq ptr %t152, null
-  br i1 %t153, label %panic6172, label %ok6173
-panic6172:
-  call void @finch_panic(ptr @.str.4083, i64 3329, ptr @.str.4084)
+ok6540:
+  %t149 = getelementptr inbounds %S.gen.Gen, ptr %t147, i32 0, i32 25
+  %t150 = getelementptr inbounds %S.cimport.CImports, ptr %t149, i32 0, i32 2
+  %t151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t152 = load { ptr, i64, i64 }, ptr %t151
+  store { ptr, i64, i64 } %t152, ptr %a153
+  %t154 = call i64 @finch_map_find(ptr %t150, ptr %a153, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t155 = icmp sge i64 %t154, 0
+  br label %logic.rend6541
+logic.rend6541:
+  br label %logic.end6538
+logic.end6538:
+  %t156 = phi i1 [ false, %logic.from6536 ], [ %t155, %logic.rend6541 ]
+  br i1 %t156, label %then6542, label %endif6544
+then6542:
+  %t157 = load ptr, ptr %a1
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic6545, label %ok6546
+panic6545:
+  call void @finch_panic(ptr @.str.4254, i64 3598, ptr @.str.4255)
   unreachable
-ok6173:
-  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 24
-  %t155 = getelementptr inbounds %S.cimport.CImports, ptr %t154, i32 0, i32 2
-  %t156 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  store { ptr, i64, i64 } %t157, ptr %a158
-  %t159 = call i64 @finch_map_find(ptr %t155, ptr %a158, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t160 = icmp slt i64 %t159, 0
-  br i1 %t160, label %map.missing6174, label %map.found6175
-map.missing6174:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a161
-  store { ptr, i64, i64 } %t157, ptr %a162
-  call void @finch_buf_str(ptr %a161, ptr %a162, i32 1)
-  call void @finch_map_missing(ptr @.str.4085, i64 3329, ptr %a161)
+ok6546:
+  %t160 = getelementptr inbounds %S.gen.Gen, ptr %t158, i32 0, i32 25
+  %t161 = getelementptr inbounds %S.cimport.CImports, ptr %t160, i32 0, i32 2
+  %t162 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  store { ptr, i64, i64 } %t163, ptr %a164
+  %t165 = call i64 @finch_map_find(ptr %t161, ptr %a164, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t166 = icmp slt i64 %t165, 0
+  br i1 %t166, label %map.missing6547, label %map.found6548
+map.missing6547:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a167
+  store { ptr, i64, i64 } %t163, ptr %a168
+  call void @finch_buf_str(ptr %a167, ptr %a168, i32 1)
+  call void @finch_map_missing(ptr @.str.4256, i64 3598, ptr %a167)
   unreachable
-map.found6175:
-  %t163 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t155, i32 0, i32 0
-  %t164 = load ptr, ptr %t163
-  %t165 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t164, i64 %t159
-  %t166 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t165, i32 0, i32 2
-  %t167 = load %S.ast.Type, ptr %t166
-  %t168 = load %S.ast.Node, ptr %a2
-  %t169 = call %S.ast.Type @finch.gen.resolve(ptr %t151, %S.ast.Type %t167, %S.ast.Node %t168)
-  store %S.ast.Type %t169, ptr %a170
-  %t171 = load ptr, ptr %a1
-  %t172 = icmp eq ptr %t171, null
-  br i1 %t172, label %panic6176, label %ok6177
-panic6176:
-  call void @finch_panic(ptr @.str.4086, i64 3330, ptr @.str.4087)
+map.found6548:
+  %t169 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t161, i32 0, i32 0
+  %t170 = load ptr, ptr %t169
+  %t171 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t170, i64 %t165
+  %t172 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t171, i32 0, i32 2
+  %t173 = load %S.ast.Type, ptr %t172
+  %t174 = load %S.ast.Node, ptr %a2
+  %t175 = call %S.ast.Type @finch.gen.resolve(ptr %t157, %S.ast.Type %t173, %S.ast.Node %t174)
+  store %S.ast.Type %t175, ptr %a176
+  %t177 = load ptr, ptr %a1
+  %t178 = icmp eq ptr %t177, null
+  br i1 %t178, label %panic6549, label %ok6550
+panic6549:
+  call void @finch_panic(ptr @.str.4257, i64 3599, ptr @.str.4258)
   unreachable
-ok6177:
-  %t173 = getelementptr inbounds %S.gen.Gen, ptr %t171, i32 0, i32 38
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  store { ptr, i64, i64 } { ptr @.str.4088, i64 2, i64 0 }, ptr %a178
-  store { ptr, i64, i64 } %t176, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  store i64 -1, ptr %a181
-  %t182 = load i64, ptr %t174
-  %t183 = load ptr, ptr %t173
-  store i64 0, ptr %a184
-  br label %find.cond6178
-find.cond6178:
-  %t185 = load i64, ptr %a184
-  %t186 = icmp slt i64 %t185, %t182
-  br i1 %t186, label %find.body6179, label %find.end6182
-find.body6179:
-  %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i64 %t185
-  %t188 = load { ptr, i64, i64 }, ptr %t187
-  store { ptr, i64, i64 } %t188, ptr %a189
-  store { ptr, i64, i64 } %t180, ptr %a190
-  %t191 = call i32 @finch_str_eq(ptr %a189, ptr %a190)
-  %t192 = icmp ne i32 %t191, 0
-  br i1 %t192, label %find.hit6180, label %find.next6181
-find.hit6180:
-  store i64 %t185, ptr %a181
-  br label %find.end6182
-find.next6181:
-  %t193 = add i64 %t185, 1
-  store i64 %t193, ptr %a184
-  br label %find.cond6178
-find.end6182:
-  %t194 = load i64, ptr %a181
-  %t195 = icmp sge i64 %t194, 0
-  %t196 = xor i1 %t195, true
-  br i1 %t196, label %then6183, label %endif6185
-then6183:
-  %t197 = load ptr, ptr %a1
-  %t198 = icmp eq ptr %t197, null
-  br i1 %t198, label %panic6186, label %ok6187
-panic6186:
-  call void @finch_panic(ptr @.str.4089, i64 3331, ptr @.str.4090)
+ok6550:
+  %t179 = getelementptr inbounds %S.gen.Gen, ptr %t177, i32 0, i32 39
+  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i32 0, i32 1
+  %t181 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t182 = load { ptr, i64, i64 }, ptr %t181
+  store { ptr, i64, i64 } { ptr @.str.4259, i64 2, i64 0 }, ptr %a184
+  store { ptr, i64, i64 } %t182, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a183
+  store i64 -1, ptr %a187
+  %t188 = load i64, ptr %t180
+  %t189 = load ptr, ptr %t179
+  store i64 0, ptr %a190
+  br label %find.cond6551
+find.cond6551:
+  %t191 = load i64, ptr %a190
+  %t192 = icmp slt i64 %t191, %t188
+  br i1 %t192, label %find.body6552, label %find.end6555
+find.body6552:
+  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t189, i64 %t191
+  %t194 = load { ptr, i64, i64 }, ptr %t193
+  store { ptr, i64, i64 } %t194, ptr %a195
+  store { ptr, i64, i64 } %t186, ptr %a196
+  %t197 = call i32 @finch_str_eq(ptr %a195, ptr %a196)
+  %t198 = icmp ne i32 %t197, 0
+  br i1 %t198, label %find.hit6553, label %find.next6554
+find.hit6553:
+  store i64 %t191, ptr %a187
+  br label %find.end6555
+find.next6554:
+  %t199 = add i64 %t191, 1
+  store i64 %t199, ptr %a190
+  br label %find.cond6551
+find.end6555:
+  store { ptr, i64, i64 } %t186, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  %t201 = load i64, ptr %a187
+  %t202 = icmp sge i64 %t201, 0
+  %t203 = xor i1 %t202, true
+  br i1 %t203, label %then6556, label %endif6558
+then6556:
+  %t204 = load ptr, ptr %a1
+  %t205 = icmp eq ptr %t204, null
+  br i1 %t205, label %panic6559, label %ok6560
+panic6559:
+  call void @finch_panic(ptr @.str.4260, i64 3600, ptr @.str.4261)
   unreachable
-ok6187:
-  %t199 = getelementptr inbounds %S.gen.Gen, ptr %t197, i32 0, i32 38
-  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i32 0, i32 1
-  %t201 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  store { ptr, i64, i64 } { ptr @.str.4091, i64 2, i64 0 }, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  %t207 = load i64, ptr %t200
-  %t208 = add i64 %t207, 1
-  call void @finch_arr_reserve(ptr %t199, i64 %t208, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t209 = load ptr, ptr %t199
-  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i64 %t207
-  store { ptr, i64, i64 } %t206, ptr %t210
-  store i64 %t208, ptr %t200
-  %t211 = load ptr, ptr %a1
-  %t212 = icmp eq ptr %t211, null
-  br i1 %t212, label %panic6188, label %ok6189
-panic6188:
-  call void @finch_panic(ptr @.str.4092, i64 3332, ptr @.str.4093)
+ok6560:
+  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 39
+  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
+  %t208 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t209 = load { ptr, i64, i64 }, ptr %t208
+  store { ptr, i64, i64 } { ptr @.str.4262, i64 2, i64 0 }, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  %t213 = load { ptr, i64, i64 }, ptr %a210
+  %t214 = load i64, ptr %t207
+  %t215 = add i64 %t214, 1
+  call void @finch_arr_reserve(ptr %t206, i64 %t215, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t216 = load ptr, ptr %t206
+  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i64 %t214
+  store { ptr, i64, i64 } %t213, ptr %t217
+  store i64 %t215, ptr %t207
+  %t218 = load ptr, ptr %a1
+  %t219 = icmp eq ptr %t218, null
+  br i1 %t219, label %panic6561, label %ok6562
+panic6561:
+  call void @finch_panic(ptr @.str.4263, i64 3601, ptr @.str.4264)
   unreachable
-ok6189:
-  %t213 = getelementptr inbounds %S.gen.Gen, ptr %t211, i32 0, i32 2
-  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %t213, i32 0, i32 1
-  %t215 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t216 = load { ptr, i64, i64 }, ptr %t215
-  store { ptr, i64, i64 } { ptr @.str.4094, i64 1, i64 0 }, ptr %a218
-  store { ptr, i64, i64 } %t216, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  store { ptr, i64, i64 } %t220, ptr %a222
-  store { ptr, i64, i64 } { ptr @.str.4095, i64 19, i64 0 }, ptr %a223
-  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
-  %t224 = load { ptr, i64, i64 }, ptr %a221
-  %t225 = load ptr, ptr %a1
-  %t226 = load %S.ast.Type, ptr %a170
-  %t227 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t225, %S.ast.Type %t226)
-  store { ptr, i64, i64 } %t224, ptr %a229
-  store { ptr, i64, i64 } %t227, ptr %a230
+ok6562:
+  %t220 = getelementptr inbounds %S.gen.Gen, ptr %t218, i32 0, i32 2
+  %t221 = getelementptr inbounds { ptr, i64, i64 }, ptr %t220, i32 0, i32 1
+  %t222 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t223 = load { ptr, i64, i64 }, ptr %t222
+  store { ptr, i64, i64 } { ptr @.str.4265, i64 1, i64 0 }, ptr %a225
+  store { ptr, i64, i64 } %t223, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a224
+  store { ptr, i64, i64 } %t227, ptr %a229
+  store { ptr, i64, i64 } { ptr @.str.4266, i64 19, i64 0 }, ptr %a230
   call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load i64, ptr %t214
-  %t233 = add i64 %t232, 1
-  call void @finch_arr_reserve(ptr %t213, i64 %t233, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t234 = load ptr, ptr %t213
-  %t235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i64 %t232
-  store { ptr, i64, i64 } %t231, ptr %t235
-  store i64 %t233, ptr %t214
-  br label %endif6185
-endif6185:
-  %t236 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t237 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %t237
-  store { ptr, i64, i64 } { ptr @.str.4096, i64 1, i64 0 }, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  %t243 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t242, 0
-  %t244 = load %S.ast.Type, ptr %a170
-  store %S.ast.Type %t244, ptr %a245
-  call void @finch.copy.S_ast_Type(ptr %a246, ptr %a245)
-  %t247 = load %S.ast.Type, ptr %a246
-  %t248 = insertvalue %S.gen.Place %t243, %S.ast.Type %t247, 1
-  %t249 = insertvalue %S.gen.Ref %t236, %S.gen.Place %t248, 1
-  ret %S.gen.Ref %t249
-endif6171:
-  %t250 = load i64, ptr %a14
-  %t251 = icmp slt i64 %t250, 0
-  br i1 %t251, label %then6190, label %endif6192
-then6190:
-  %t252 = load ptr, ptr %a1
-  %t253 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t254 = load { ptr, i64, i64 }, ptr %t253
-  %t255 = call i1 @finch.gen.imports(ptr %t252, { ptr, i64, i64 } %t254)
-  br i1 %t255, label %then6193, label %endif6195
-then6193:
-  %t256 = load ptr, ptr %a1
-  %t257 = load %S.ast.Node, ptr %a2
-  %t258 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t259 = load { ptr, i64, i64 }, ptr %t258
-  store { ptr, i64, i64 } { ptr @.str.4097, i64 1, i64 0 }, ptr %a261
-  store { ptr, i64, i64 } %t259, ptr %a262
-  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
-  %t263 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t263, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.4098, i64 43, i64 0 }, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t227, ptr %a231
+  call void @finch_str_drop(ptr %a231)
+  %t232 = load { ptr, i64, i64 }, ptr %a228
+  %t233 = load ptr, ptr %a1
+  %t234 = load %S.ast.Type, ptr %a176
+  %t235 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t233, %S.ast.Type %t234)
+  store { ptr, i64, i64 } %t232, ptr %a237
+  store { ptr, i64, i64 } %t235, ptr %a238
+  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
+  store { ptr, i64, i64 } %t232, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  store { ptr, i64, i64 } %t235, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = load { ptr, i64, i64 }, ptr %a236
+  %t242 = load i64, ptr %t221
+  %t243 = add i64 %t242, 1
+  call void @finch_arr_reserve(ptr %t220, i64 %t243, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t244 = load ptr, ptr %t220
+  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %t244, i64 %t242
+  store { ptr, i64, i64 } %t241, ptr %t245
+  store i64 %t243, ptr %t221
+  br label %endif6558
+endif6558:
+  %t246 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t247 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t248 = load { ptr, i64, i64 }, ptr %t247
+  store { ptr, i64, i64 } { ptr @.str.4267, i64 1, i64 0 }, ptr %a250
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
+  %t252 = load { ptr, i64, i64 }, ptr %a249
+  %t253 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t252, 0
+  %t254 = load %S.ast.Type, ptr %a176
+  store %S.ast.Type %t254, ptr %a255
+  call void @finch.copy.S_ast_Type(ptr %a256, ptr %a255)
+  %t257 = load %S.ast.Type, ptr %a256
+  %t258 = insertvalue %S.gen.Place %t253, %S.ast.Type %t257, 1
+  %t259 = insertvalue %S.gen.Ref %t246, %S.gen.Place %t258, 1
+  call void @finch.drop.S_ast_Type(ptr %a176)
+  ret %S.gen.Ref %t259
+endif6544:
+  %t260 = load i64, ptr %a14
+  %t261 = icmp slt i64 %t260, 0
+  br i1 %t261, label %then6563, label %endif6565
+then6563:
+  %t262 = load ptr, ptr %a1
+  %t263 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  %t265 = call i1 @finch.gen.imports(ptr %t262, { ptr, i64, i64 } %t264)
+  br i1 %t265, label %then6566, label %endif6568
+then6566:
+  %t266 = load ptr, ptr %a1
+  %t267 = load %S.ast.Node, ptr %a2
   %t268 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t269 = load { ptr, i64, i64 }, ptr %t268
-  store { ptr, i64, i64 } %t267, ptr %a271
+  store { ptr, i64, i64 } { ptr @.str.4268, i64 1, i64 0 }, ptr %a271
   store { ptr, i64, i64 } %t269, ptr %a272
   call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
   %t273 = load { ptr, i64, i64 }, ptr %a270
   store { ptr, i64, i64 } %t273, ptr %a275
-  store { ptr, i64, i64 } { ptr @.str.4099, i64 10, i64 0 }, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.4269, i64 43, i64 0 }, ptr %a276
   call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
-  %t277 = load { ptr, i64, i64 }, ptr %a274
-  call void @finch.gen.fail(ptr %t256, %S.ast.Node %t257, { ptr, i64, i64 } %t277)
-  br label %endif6195
-endif6195:
-  %t278 = load ptr, ptr %a1
-  %t279 = load %S.ast.Node, ptr %a2
-  %t280 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } { ptr @.str.4100, i64 28, i64 0 }, ptr %a283
-  store { ptr, i64, i64 } %t281, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
+  store { ptr, i64, i64 } %t273, ptr %a277
+  call void @finch_str_drop(ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a274
+  %t279 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t280 = load { ptr, i64, i64 }, ptr %t279
+  store { ptr, i64, i64 } %t278, ptr %a282
+  store { ptr, i64, i64 } %t280, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t278, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
   store { ptr, i64, i64 } %t285, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.4101, i64 1, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } { ptr @.str.4270, i64 10, i64 0 }, ptr %a288
   call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
-  %t289 = load { ptr, i64, i64 }, ptr %a286
-  call void @finch.gen.fail(ptr %t278, %S.ast.Node %t279, { ptr, i64, i64 } %t289)
-  br label %endif6192
-endif6192:
-  %t290 = load ptr, ptr %a1
-  %t291 = load i64, ptr %a14
-  %t292 = call %S.gen.Var @finch.gen.varAt(ptr %t290, i64 %t291)
-  store %S.gen.Var %t292, ptr %a293
-  %t294 = load ptr, ptr %a1
-  %t295 = load %S.ast.Node, ptr %a2
-  %t296 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t297 = load i64, ptr %t296
-  %t298 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i32 0, i32 1
-  %t300 = load i64, ptr %t299
-  %t301 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 1
-  %t302 = load %S.ast.Type, ptr %t301
-  %t303 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t302)
-  store { ptr, i64, i64 } { ptr @.str.4102, i64 9, i64 0 }, ptr %a305
-  store { ptr, i64, i64 } %t303, ptr %a306
-  call void @finch_str_concat(ptr %a304, ptr %a305, ptr %a306)
-  %t307 = load { ptr, i64, i64 }, ptr %a304
-  store { ptr, i64, i64 } %t307, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.4103, i64 1, i64 0 }, ptr %a310
-  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
-  %t311 = load { ptr, i64, i64 }, ptr %a308
-  %t312 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t313 = load { ptr, i64, i64 }, ptr %t312
-  store { ptr, i64, i64 } %t311, ptr %a315
-  store { ptr, i64, i64 } %t313, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  store { ptr, i64, i64 } %t317, ptr %a319
-  store { ptr, i64, i64 } { ptr @.str.4104, i64 4, i64 0 }, ptr %a320
-  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
-  %t321 = load { ptr, i64, i64 }, ptr %a318
-  %t322 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 5
-  %t323 = load { ptr, i64, i64 }, ptr %t322
-  %t324 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 6
-  %t325 = load i64, ptr %t324
-  %t326 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 7
-  %t327 = load i64, ptr %t326
-  call void @finch.gen.noteRef(ptr %t294, %S.ast.Node %t295, i64 %t297, i64 %t300, { ptr, i64, i64 } %t321, { ptr, i64, i64 } %t323, i64 %t325, i64 %t327)
-  %t328 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t329 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 2
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store { ptr, i64, i64 } %t330, ptr %a331
-  call void @finch_str_copy(ptr %a332, ptr %a331)
-  %t333 = load { ptr, i64, i64 }, ptr %a332
-  %t334 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t333, 0
-  %t335 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 1
-  %t336 = load %S.ast.Type, ptr %t335
-  store %S.ast.Type %t336, ptr %a337
-  call void @finch.copy.S_ast_Type(ptr %a338, ptr %a337)
-  %t339 = load %S.ast.Type, ptr %a338
-  %t340 = insertvalue %S.gen.Place %t334, %S.ast.Type %t339, 1
-  %t341 = insertvalue %S.gen.Ref %t328, %S.gen.Place %t340, 1
-  ret %S.gen.Ref %t341
-endif6113:
-  %t342 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
+  store { ptr, i64, i64 } %t285, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a286
+  call void @finch.gen.fail(ptr %t266, %S.ast.Node %t267, { ptr, i64, i64 } %t290)
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  br label %endif6568
+endif6568:
+  %t292 = load ptr, ptr %a1
+  %t293 = load %S.ast.Node, ptr %a2
+  %t294 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t295 = load { ptr, i64, i64 }, ptr %t294
+  store { ptr, i64, i64 } { ptr @.str.4271, i64 28, i64 0 }, ptr %a297
+  store { ptr, i64, i64 } %t295, ptr %a298
+  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t299, ptr %a301
+  store { ptr, i64, i64 } { ptr @.str.4272, i64 1, i64 0 }, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t299, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  %t304 = load { ptr, i64, i64 }, ptr %a300
+  call void @finch.gen.fail(ptr %t292, %S.ast.Node %t293, { ptr, i64, i64 } %t304)
+  store { ptr, i64, i64 } %t304, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  br label %endif6565
+endif6565:
+  %t306 = load ptr, ptr %a1
+  %t307 = load i64, ptr %a14
+  %t308 = call %S.gen.Var @finch.gen.varAt(ptr %t306, i64 %t307)
+  store %S.gen.Var %t308, ptr %a309
+  %t310 = load ptr, ptr %a1
+  %t311 = load %S.ast.Node, ptr %a2
+  %t312 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t313 = load i64, ptr %t312
+  %t314 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i32 0, i32 1
+  %t316 = load i64, ptr %t315
+  %t317 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 1
+  %t318 = load %S.ast.Type, ptr %t317
+  %t319 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t318)
+  store { ptr, i64, i64 } { ptr @.str.4273, i64 9, i64 0 }, ptr %a321
+  store { ptr, i64, i64 } %t319, ptr %a322
+  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+  store { ptr, i64, i64 } %t319, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a320
+  store { ptr, i64, i64 } %t324, ptr %a326
+  store { ptr, i64, i64 } { ptr @.str.4274, i64 1, i64 0 }, ptr %a327
+  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
+  store { ptr, i64, i64 } %t324, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a325
+  %t330 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t331 = load { ptr, i64, i64 }, ptr %t330
+  store { ptr, i64, i64 } %t329, ptr %a333
+  store { ptr, i64, i64 } %t331, ptr %a334
+  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
+  store { ptr, i64, i64 } %t329, ptr %a335
+  call void @finch_str_drop(ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a332
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.4275, i64 4, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  store { ptr, i64, i64 } %t336, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  %t341 = load { ptr, i64, i64 }, ptr %a337
+  %t342 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 7
   %t343 = load { ptr, i64, i64 }, ptr %t342
-  store { ptr, i64, i64 } %t343, ptr %a344
-  store { ptr, i64, i64 } { ptr @.str.4105, i64 6, i64 0 }, ptr %a345
-  %t346 = call i32 @finch_str_eq(ptr %a344, ptr %a345)
-  %t347 = icmp ne i32 %t346, 0
-  br i1 %t347, label %then6196, label %endif6198
-then6196:
-  %t348 = load ptr, ptr %a1
-  %t349 = load %S.ast.Node, ptr %a2
-  %t350 = load i1, ptr %a3
-  %t351 = call %S.gen.Ref @finch.gen.member(ptr %t348, %S.ast.Node %t349, i1 %t350)
-  ret %S.gen.Ref %t351
-endif6198:
-  %t352 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
-  %t353 = load { ptr, i64, i64 }, ptr %t352
-  store { ptr, i64, i64 } %t353, ptr %a354
-  store { ptr, i64, i64 } { ptr @.str.4106, i64 5, i64 0 }, ptr %a355
-  %t356 = call i32 @finch_str_eq(ptr %a354, ptr %a355)
-  %t357 = icmp ne i32 %t356, 0
-  br i1 %t357, label %then6199, label %endif6201
-then6199:
-  %t358 = load ptr, ptr %a1
-  %t359 = load %S.ast.Node, ptr %a2
-  %t360 = load i1, ptr %a3
-  %t361 = call %S.gen.Ref @finch.gen.index(ptr %t358, %S.ast.Node %t359, i1 %t360)
-  ret %S.gen.Ref %t361
-endif6201:
-  %t362 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t363 = load ptr, ptr %a1
-  %t364 = load %S.ast.Node, ptr %a2
-  %t365 = call %S.gen.Val @finch.gen.expr(ptr %t363, %S.ast.Node %t364)
-  %t366 = insertvalue %S.gen.Ref %t362, %S.gen.Val %t365, 2
-  ret %S.gen.Ref %t366
+  %t344 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 8
+  %t345 = load i64, ptr %t344
+  %t346 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 9
+  %t347 = load i64, ptr %t346
+  call void @finch.gen.noteRef(ptr %t310, %S.ast.Node %t311, i64 %t313, i64 %t316, { ptr, i64, i64 } %t341, { ptr, i64, i64 } %t343, i64 %t345, i64 %t347)
+  store { ptr, i64, i64 } %t341, ptr %a348
+  call void @finch_str_drop(ptr %a348)
+  %t349 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t350 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 2
+  %t351 = load { ptr, i64, i64 }, ptr %t350
+  store { ptr, i64, i64 } %t351, ptr %a352
+  call void @finch_str_copy(ptr %a353, ptr %a352)
+  %t354 = load { ptr, i64, i64 }, ptr %a353
+  %t355 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t354, 0
+  %t356 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 1
+  %t357 = load %S.ast.Type, ptr %t356
+  store %S.ast.Type %t357, ptr %a358
+  call void @finch.copy.S_ast_Type(ptr %a359, ptr %a358)
+  %t360 = load %S.ast.Type, ptr %a359
+  %t361 = insertvalue %S.gen.Place %t355, %S.ast.Type %t360, 1
+  %t362 = insertvalue %S.gen.Ref %t349, %S.gen.Place %t361, 1
+  call void @finch.drop.S_gen_Var(ptr %a309)
+  ret %S.gen.Ref %t362
+endif6486:
+  %t363 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
+  %t364 = load { ptr, i64, i64 }, ptr %t363
+  store { ptr, i64, i64 } %t364, ptr %a365
+  store { ptr, i64, i64 } { ptr @.str.4276, i64 6, i64 0 }, ptr %a366
+  %t367 = call i32 @finch_str_eq(ptr %a365, ptr %a366)
+  %t368 = icmp ne i32 %t367, 0
+  br i1 %t368, label %then6569, label %endif6571
+then6569:
+  %t369 = load ptr, ptr %a1
+  %t370 = load %S.ast.Node, ptr %a2
+  %t371 = load i1, ptr %a3
+  %t372 = call %S.gen.Ref @finch.gen.member(ptr %t369, %S.ast.Node %t370, i1 %t371)
+  ret %S.gen.Ref %t372
+endif6571:
+  %t373 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
+  %t374 = load { ptr, i64, i64 }, ptr %t373
+  store { ptr, i64, i64 } %t374, ptr %a375
+  store { ptr, i64, i64 } { ptr @.str.4277, i64 5, i64 0 }, ptr %a376
+  %t377 = call i32 @finch_str_eq(ptr %a375, ptr %a376)
+  %t378 = icmp ne i32 %t377, 0
+  br i1 %t378, label %then6572, label %endif6574
+then6572:
+  %t379 = load ptr, ptr %a1
+  %t380 = load %S.ast.Node, ptr %a2
+  %t381 = load i1, ptr %a3
+  %t382 = call %S.gen.Ref @finch.gen.index(ptr %t379, %S.ast.Node %t380, i1 %t381)
+  ret %S.gen.Ref %t382
+endif6574:
+  %t383 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t384 = load ptr, ptr %a1
+  %t385 = load %S.ast.Node, ptr %a2
+  %t386 = call %S.gen.Val @finch.gen.expr(ptr %t384, %S.ast.Node %t385)
+  %t387 = insertvalue %S.gen.Ref %t383, %S.gen.Val %t386, 2
+  ret %S.gen.Ref %t387
 }
 
 define internal { ptr, i64, i64 } @finch.gen.llFloat({ ptr, i64, i64 } %p0) {
@@ -55778,30 +65993,32 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i64, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca i64, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -55810,81 +66027,89 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4108, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.4279, i64 1, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_starts(ptr %a8, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then6202, label %endif6204
-then6202:
+  br i1 %t12, label %then6575, label %endif6577
+then6575:
   %t13 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4109, i64 1, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.4280, i64 1, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
   %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a6
-  br label %endif6204
-endif6204:
   %t18 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t17, ptr %a6
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.4111, i64 1, i64 0 }, ptr %a21
-  %t22 = call i64 @finch_str_find(ptr %a19, ptr %a21)
-  %t23 = icmp sge i64 %t22, 0
-  %t24 = xor i1 %t23, true
-  br i1 %t24, label %then6205, label %endif6207
-then6205:
-  %t25 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.4113, i64 1, i64 0 }, ptr %a28
-  %t29 = call i64 @finch_str_find(ptr %a26, ptr %a28)
-  store i64 %t29, ptr %a30
-  %t31 = load i64, ptr %a30
-  %t32 = icmp slt i64 %t31, 0
-  br i1 %t32, label %then6208, label %endif6210
-then6208:
-  %t33 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.4115, i64 1, i64 0 }, ptr %a36
-  %t37 = call i64 @finch_str_find(ptr %a34, ptr %a36)
-  store i64 %t37, ptr %a30
-  br label %endif6210
-endif6210:
-  %t38 = load i64, ptr %a30
-  %t39 = icmp slt i64 %t38, 0
-  br i1 %t39, label %then6211, label %endif6213
-then6211:
-  %t40 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t40, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.4116, i64 2, i64 0 }, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  ret { ptr, i64, i64 } %t44
-endif6213:
-  %t45 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t48 = load i64, ptr %a30
-  call void @finch_str_sub(ptr %a47, ptr %a46, i64 0, i64 %t48, ptr @.str.4117, i64 3369)
-  %t49 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t49, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.4118, i64 2, i64 0 }, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  %t54 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t54, ptr %a55
-  %t57 = load i64, ptr %a30
-  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t59 = load i64, ptr %t58
-  call void @finch_str_sub(ptr %a56, ptr %a55, i64 %t57, i64 %t59, ptr @.str.4119, i64 3369)
-  %t60 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t53, ptr %a62
-  store { ptr, i64, i64 } %t60, ptr %a63
-  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
-  %t64 = load { ptr, i64, i64 }, ptr %a61
-  ret { ptr, i64, i64 } %t64
-endif6207:
-  %t65 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  ret { ptr, i64, i64 } %t68
+  call void @finch_str_drop(ptr %a19)
+  br label %endif6577
+endif6577:
+  %t20 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t20, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4282, i64 1, i64 0 }, ptr %a23
+  %t24 = call i64 @finch_str_find(ptr %a21, ptr %a23)
+  %t25 = icmp sge i64 %t24, 0
+  %t26 = xor i1 %t25, true
+  br i1 %t26, label %then6578, label %endif6580
+then6578:
+  %t27 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t27, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.4284, i64 1, i64 0 }, ptr %a30
+  %t31 = call i64 @finch_str_find(ptr %a28, ptr %a30)
+  store i64 %t31, ptr %a32
+  %t33 = load i64, ptr %a32
+  %t34 = icmp slt i64 %t33, 0
+  br i1 %t34, label %then6581, label %endif6583
+then6581:
+  %t35 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.4286, i64 1, i64 0 }, ptr %a38
+  %t39 = call i64 @finch_str_find(ptr %a36, ptr %a38)
+  store i64 %t39, ptr %a32
+  br label %endif6583
+endif6583:
+  %t40 = load i64, ptr %a32
+  %t41 = icmp slt i64 %t40, 0
+  br i1 %t41, label %then6584, label %endif6586
+then6584:
+  %t42 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t42, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.4287, i64 2, i64 0 }, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a43
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t46
+endif6586:
+  %t47 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t47, ptr %a48
+  %t50 = load i64, ptr %a32
+  call void @finch_str_sub(ptr %a49, ptr %a48, i64 0, i64 %t50, ptr @.str.4288, i64 3638)
+  %t51 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t51, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.4289, i64 2, i64 0 }, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  %t57 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t57, ptr %a58
+  %t60 = load i64, ptr %a32
+  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t62 = load i64, ptr %t61
+  call void @finch_str_sub(ptr %a59, ptr %a58, i64 %t60, i64 %t62, ptr @.str.4290, i64 3638)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  store { ptr, i64, i64 } %t56, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t56, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t69
+endif6580:
+  %t70 = load { ptr, i64, i64 }, ptr %a6
+  ret { ptr, i64, i64 } %t70
 }
 
 define internal i64 @finch.gen.enumNamed(ptr %p0, %S.ast.Node %p1) {
@@ -55902,133 +66127,133 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4120, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4291, i64 3, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br label %logic.from6214
-logic.from6214:
-  br i1 %t8, label %logic.rhs6215, label %logic.end6216
-logic.rhs6215:
+  br label %logic.from6587
+logic.from6587:
+  br i1 %t8, label %logic.rhs6588, label %logic.end6589
+logic.rhs6588:
   %t9 = load ptr, ptr %a1
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t11 = load { ptr, i64, i64 }, ptr %t10
   %t12 = call i64 @finch.gen.lookup(ptr %t9, { ptr, i64, i64 } %t11)
   %t13 = icmp slt i64 %t12, 0
-  br label %logic.rend6217
-logic.rend6217:
-  br label %logic.end6216
-logic.end6216:
-  %t14 = phi i1 [ false, %logic.from6214 ], [ %t13, %logic.rend6217 ]
-  br i1 %t14, label %then6218, label %endif6220
-then6218:
+  br label %logic.rend6590
+logic.rend6590:
+  br label %logic.end6589
+logic.end6589:
+  %t14 = phi i1 [ false, %logic.from6587 ], [ %t13, %logic.rend6590 ]
+  br i1 %t14, label %then6591, label %endif6593
+then6591:
   %t15 = load ptr, ptr %a1
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic6221, label %ok6222
-panic6221:
-  call void @finch_panic(ptr @.str.4121, i64 3377, ptr @.str.4122)
+  br i1 %t17, label %panic6594, label %ok6595
+panic6594:
+  call void @finch_panic(ptr @.str.4292, i64 3646, ptr @.str.4293)
   unreachable
-ok6222:
-  %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 13
+ok6595:
+  %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 14
   %t19 = load { ptr, i64, i64 }, ptr %t18
   %t20 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t21 = load { ptr, i64, i64 }, ptr %t20
   %t22 = call i64 @finch.gen.findEnum(ptr %t15, { ptr, i64, i64 } %t19, { ptr, i64, i64 } %t21)
   ret i64 %t22
-endif6220:
+endif6593:
   %t23 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t24 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.4123, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.4294, i64 6, i64 0 }, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br label %logic.from6223
-logic.from6223:
-  br i1 %t28, label %logic.rhs6224, label %logic.end6225
-logic.rhs6224:
+  br label %logic.from6596
+logic.from6596:
+  br i1 %t28, label %logic.rhs6597, label %logic.end6598
+logic.rhs6597:
   %t29 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t30 = load { ptr, i64, i64 }, ptr %t29
   %t31 = extractvalue { ptr, i64, i64 } %t30, 1
   %t32 = icmp uge i64 0, %t31
-  br i1 %t32, label %range6226, label %inrange6227
-range6226:
-  call void @finch_panic_index(ptr @.str.4124, i64 3379, i64 0, i64 %t31)
+  br i1 %t32, label %range6599, label %inrange6600
+range6599:
+  call void @finch_panic_index(ptr @.str.4295, i64 3648, i64 0, i64 %t31)
   unreachable
-inrange6227:
+inrange6600:
   %t33 = extractvalue { ptr, i64, i64 } %t30, 0
   %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 0
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i32 0, i32 0
   %t36 = load { ptr, i64, i64 }, ptr %t35
   store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.4125, i64 3, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4296, i64 3, i64 0 }, ptr %a38
   %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
   %t40 = icmp ne i32 %t39, 0
-  br label %logic.rend6228
-logic.rend6228:
-  br label %logic.end6225
-logic.end6225:
-  %t41 = phi i1 [ false, %logic.from6223 ], [ %t40, %logic.rend6228 ]
-  br label %logic.from6229
-logic.from6229:
-  br i1 %t41, label %logic.rhs6230, label %logic.end6231
-logic.rhs6230:
+  br label %logic.rend6601
+logic.rend6601:
+  br label %logic.end6598
+logic.end6598:
+  %t41 = phi i1 [ false, %logic.from6596 ], [ %t40, %logic.rend6601 ]
+  br label %logic.from6602
+logic.from6602:
+  br i1 %t41, label %logic.rhs6603, label %logic.end6604
+logic.rhs6603:
   %t42 = load ptr, ptr %a1
   %t43 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t44 = load { ptr, i64, i64 }, ptr %t43
   %t45 = extractvalue { ptr, i64, i64 } %t44, 1
   %t46 = icmp uge i64 0, %t45
-  br i1 %t46, label %range6232, label %inrange6233
-range6232:
-  call void @finch_panic_index(ptr @.str.4126, i64 3379, i64 0, i64 %t45)
+  br i1 %t46, label %range6605, label %inrange6606
+range6605:
+  call void @finch_panic_index(ptr @.str.4297, i64 3648, i64 0, i64 %t45)
   unreachable
-inrange6233:
+inrange6606:
   %t47 = extractvalue { ptr, i64, i64 } %t44, 0
   %t48 = getelementptr inbounds %S.ast.Node, ptr %t47, i64 0
   %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i32 0, i32 1
   %t50 = load { ptr, i64, i64 }, ptr %t49
   %t51 = call i64 @finch.gen.lookup(ptr %t42, { ptr, i64, i64 } %t50)
   %t52 = icmp slt i64 %t51, 0
-  br label %logic.rend6234
-logic.rend6234:
-  br label %logic.end6231
-logic.end6231:
-  %t53 = phi i1 [ false, %logic.from6229 ], [ %t52, %logic.rend6234 ]
-  br label %logic.from6235
-logic.from6235:
-  br i1 %t53, label %logic.rhs6236, label %logic.end6237
-logic.rhs6236:
+  br label %logic.rend6607
+logic.rend6607:
+  br label %logic.end6604
+logic.end6604:
+  %t53 = phi i1 [ false, %logic.from6602 ], [ %t52, %logic.rend6607 ]
+  br label %logic.from6608
+logic.from6608:
+  br i1 %t53, label %logic.rhs6609, label %logic.end6610
+logic.rhs6609:
   %t54 = load ptr, ptr %a1
   %t55 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t56 = load { ptr, i64, i64 }, ptr %t55
   %t57 = extractvalue { ptr, i64, i64 } %t56, 1
   %t58 = icmp uge i64 0, %t57
-  br i1 %t58, label %range6238, label %inrange6239
-range6238:
-  call void @finch_panic_index(ptr @.str.4127, i64 3379, i64 0, i64 %t57)
+  br i1 %t58, label %range6611, label %inrange6612
+range6611:
+  call void @finch_panic_index(ptr @.str.4298, i64 3648, i64 0, i64 %t57)
   unreachable
-inrange6239:
+inrange6612:
   %t59 = extractvalue { ptr, i64, i64 } %t56, 0
   %t60 = getelementptr inbounds %S.ast.Node, ptr %t59, i64 0
   %t61 = getelementptr inbounds %S.ast.Node, ptr %t60, i32 0, i32 1
   %t62 = load { ptr, i64, i64 }, ptr %t61
   %t63 = call i1 @finch.gen.imports(ptr %t54, { ptr, i64, i64 } %t62)
-  br label %logic.rend6240
-logic.rend6240:
-  br label %logic.end6237
-logic.end6237:
-  %t64 = phi i1 [ false, %logic.from6235 ], [ %t63, %logic.rend6240 ]
-  br i1 %t64, label %then6241, label %endif6243
-then6241:
+  br label %logic.rend6613
+logic.rend6613:
+  br label %logic.end6610
+logic.end6610:
+  %t64 = phi i1 [ false, %logic.from6608 ], [ %t63, %logic.rend6613 ]
+  br i1 %t64, label %then6614, label %endif6616
+then6614:
   %t65 = load ptr, ptr %a1
   %t66 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t67 = load { ptr, i64, i64 }, ptr %t66
   %t68 = extractvalue { ptr, i64, i64 } %t67, 1
   %t69 = icmp uge i64 0, %t68
-  br i1 %t69, label %range6244, label %inrange6245
-range6244:
-  call void @finch_panic_index(ptr @.str.4128, i64 3380, i64 0, i64 %t68)
+  br i1 %t69, label %range6617, label %inrange6618
+range6617:
+  call void @finch_panic_index(ptr @.str.4299, i64 3649, i64 0, i64 %t68)
   unreachable
-inrange6245:
+inrange6618:
   %t70 = extractvalue { ptr, i64, i64 } %t67, 0
   %t71 = getelementptr inbounds %S.ast.Node, ptr %t70, i64 0
   %t72 = getelementptr inbounds %S.ast.Node, ptr %t71, i32 0, i32 1
@@ -56037,7 +66262,7 @@ inrange6245:
   %t75 = load { ptr, i64, i64 }, ptr %t74
   %t76 = call i64 @finch.gen.findEnum(ptr %t65, { ptr, i64, i64 } %t73, { ptr, i64, i64 } %t75)
   ret i64 %t76
-endif6243:
+endif6616:
   ret i64 -1
 }
 
@@ -56060,64 +66285,78 @@ entry:
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic6246, label %ok6247
-panic6246:
-  call void @finch_panic(ptr @.str.4129, i64 3387, ptr @.str.4130)
+  br i1 %t5, label %panic6619, label %ok6620
+panic6619:
+  call void @finch_panic(ptr @.str.4300, i64 3656, ptr @.str.4301)
   unreachable
-ok6247:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 20
+ok6620:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 21
   %t7 = load i64, ptr %a3
   %t8 = load { ptr, i64, i64 }, ptr %t6
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range6248, label %inrange6249
-range6248:
-  call void @finch_panic_index(ptr @.str.4131, i64 3387, i64 %t7, i64 %t9)
+  br i1 %t10, label %range6621, label %inrange6622
+range6621:
+  call void @finch_panic_index(ptr @.str.4302, i64 3656, i64 %t7, i64 %t9)
   unreachable
-inrange6249:
+inrange6622:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.EnumDef, ptr %t11, i64 %t7
   %t13 = load %S.gen.EnumDef, ptr %t12
@@ -56133,154 +66372,183 @@ inrange6249:
   %t23 = load i64, ptr %t19
   %t24 = load ptr, ptr %t18
   store i64 0, ptr %a25
-  br label %find.cond6250
-find.cond6250:
+  br label %find.cond6623
+find.cond6623:
   %t26 = load i64, ptr %a25
   %t27 = icmp slt i64 %t26, %t23
-  br i1 %t27, label %find.body6251, label %find.end6254
-find.body6251:
+  br i1 %t27, label %find.body6624, label %find.end6627
+find.body6624:
   %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t24, i64 %t26
   %t29 = load { ptr, i64, i64 }, ptr %t28
   store { ptr, i64, i64 } %t29, ptr %a30
   store { ptr, i64, i64 } %t21, ptr %a31
   %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
   %t33 = icmp ne i32 %t32, 0
-  br i1 %t33, label %find.hit6252, label %find.next6253
-find.hit6252:
+  br i1 %t33, label %find.hit6625, label %find.next6626
+find.hit6625:
   store i64 %t26, ptr %a22
-  br label %find.end6254
-find.next6253:
+  br label %find.end6627
+find.next6626:
   %t34 = add i64 %t26, 1
   store i64 %t34, ptr %a25
-  br label %find.cond6250
-find.end6254:
+  br label %find.cond6623
+find.end6627:
   %t35 = load i64, ptr %a22
   store i64 %t35, ptr %a36
   %t37 = load i64, ptr %a36
   %t38 = icmp slt i64 %t37, 0
-  br i1 %t38, label %then6255, label %endif6257
-then6255:
+  br i1 %t38, label %then6628, label %endif6630
+then6628:
   %t39 = load ptr, ptr %a1
   %t40 = load %S.ast.Node, ptr %a2
   %t41 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
   %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } { ptr @.str.4132, i64 9, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.4303, i64 9, i64 0 }, ptr %a44
   store { ptr, i64, i64 } %t42, ptr %a45
   call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
   %t46 = load { ptr, i64, i64 }, ptr %a43
   store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.4133, i64 17, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.4304, i64 17, i64 0 }, ptr %a49
   call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t50, ptr %a54
-  store { ptr, i64, i64 } %t52, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t56, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.4134, i64 11, i64 0 }, ptr %a59
-  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
-  %t60 = load { ptr, i64, i64 }, ptr %a57
-  %t61 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 2
-  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4135, i64 2, i64 0 }, ptr %a63
-  call void @finch_str_join(ptr %a64, ptr %t61, ptr %a63)
-  %t65 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t60, ptr %a67
-  store { ptr, i64, i64 } %t65, ptr %a68
-  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t69, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.4136, i64 1, i64 0 }, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } %t73)
-  br label %endif6257
-endif6257:
-  %t74 = load ptr, ptr %a1
-  %t75 = load %S.ast.Node, ptr %a2
-  %t76 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t77 = load i64, ptr %t76
-  %t78 = add i64 %t77, 1
-  %t79 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %t79, i32 0, i32 1
-  %t81 = load i64, ptr %t80
-  %t82 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t83 = load { ptr, i64, i64 }, ptr %t82
-  store { ptr, i64, i64 } { ptr @.str.4137, i64 9, i64 0 }, ptr %a85
-  store { ptr, i64, i64 } %t83, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t87, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.4138, i64 1, i64 0 }, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store { ptr, i64, i64 } %t91, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.4139, i64 3, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t103 = load i64, ptr %a36
-  %t104 = load { ptr, i64, i64 }, ptr %t102
-  %t105 = extractvalue { ptr, i64, i64 } %t104, 1
-  %t106 = icmp uge i64 %t103, %t105
-  br i1 %t106, label %range6258, label %inrange6259
-range6258:
-  call void @finch_panic_index(ptr @.str.4140, i64 3392, i64 %t103, i64 %t105)
+  store { ptr, i64, i64 } %t46, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
+  %t52 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t53 = load { ptr, i64, i64 }, ptr %t52
+  store { ptr, i64, i64 } %t51, ptr %a55
+  store { ptr, i64, i64 } %t53, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t51, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t58, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.4305, i64 11, i64 0 }, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  %t64 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 2
+  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4306, i64 2, i64 0 }, ptr %a66
+  call void @finch_str_join(ptr %a67, ptr %t64, ptr %a66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t63, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t63, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t68, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.4307, i64 1, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } %t79)
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif6630
+endif6630:
+  %t81 = load ptr, ptr %a1
+  %t82 = load %S.ast.Node, ptr %a2
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t84 = load i64, ptr %t83
+  %t85 = add i64 %t84, 1
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
+  %t88 = load i64, ptr %t87
+  %t89 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t90 = load { ptr, i64, i64 }, ptr %t89
+  store { ptr, i64, i64 } { ptr @.str.4308, i64 9, i64 0 }, ptr %a92
+  store { ptr, i64, i64 } %t90, ptr %a93
+  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } %t94, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.4309, i64 1, i64 0 }, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t94, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  %t99 = load { ptr, i64, i64 }, ptr %a95
+  %t100 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } %t99, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t99, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.4310, i64 3, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t113 = load i64, ptr %a36
+  %t114 = load { ptr, i64, i64 }, ptr %t112
+  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
+  %t116 = icmp uge i64 %t113, %t115
+  br i1 %t116, label %range6631, label %inrange6632
+range6631:
+  call void @finch_panic_index(ptr @.str.4311, i64 3661, i64 %t113, i64 %t115)
   unreachable
-inrange6259:
-  %t107 = extractvalue { ptr, i64, i64 } %t104, 0
-  %t108 = getelementptr inbounds i64, ptr %t107, i64 %t103
-  %t109 = load i64, ptr %t108
-  call void @finch_str_from_int(ptr %a110, i64 %t109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t101, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.4141, i64 4, i64 0 }, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  call void @finch.gen.noteRef(ptr %t74, %S.ast.Node %t75, i64 %t78, i64 %t81, { ptr, i64, i64 } %t119, { ptr, i64, i64 } { ptr @.str.4142, i64 0, i64 0 }, i64 0, i64 0)
-  %t120 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t121 = load i64, ptr %a36
-  %t122 = load { ptr, i64, i64 }, ptr %t120
-  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
-  %t124 = icmp uge i64 %t121, %t123
-  br i1 %t124, label %range6260, label %inrange6261
-range6260:
-  call void @finch_panic_index(ptr @.str.4143, i64 3393, i64 %t121, i64 %t123)
+inrange6632:
+  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
+  %t118 = getelementptr inbounds i64, ptr %t117, i64 %t113
+  %t119 = load i64, ptr %t118
+  call void @finch_str_from_int(ptr %a120, i64 %t119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t111, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t111, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  store { ptr, i64, i64 } %t121, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t127, ptr %a129
+  store { ptr, i64, i64 } { ptr @.str.4312, i64 4, i64 0 }, ptr %a130
+  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
+  store { ptr, i64, i64 } %t127, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a128
+  call void @finch.gen.noteRef(ptr %t81, %S.ast.Node %t82, i64 %t85, i64 %t88, { ptr, i64, i64 } %t132, { ptr, i64, i64 } { ptr @.str.4313, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t132, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t135 = load i64, ptr %a36
+  %t136 = load { ptr, i64, i64 }, ptr %t134
+  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
+  %t138 = icmp uge i64 %t135, %t137
+  br i1 %t138, label %range6633, label %inrange6634
+range6633:
+  call void @finch_panic_index(ptr @.str.4314, i64 3662, i64 %t135, i64 %t137)
   unreachable
-inrange6261:
-  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
-  %t126 = getelementptr inbounds i64, ptr %t125, i64 %t121
-  %t127 = load i64, ptr %t126
-  call void @finch_str_from_int(ptr %a128, i64 %t127)
-  %t129 = load { ptr, i64, i64 }, ptr %a128
-  %t130 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t129, 0
-  %t131 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4144, i64 4, i64 0 }, 0
-  %t132 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t133 = load { ptr, i64, i64 }, ptr %t132
-  store { ptr, i64, i64 } %t133, ptr %a134
-  call void @finch_str_copy(ptr %a135, ptr %a134)
-  %t136 = load { ptr, i64, i64 }, ptr %a135
-  %t137 = insertvalue %S.ast.Type %t131, { ptr, i64, i64 } %t136, 2
-  %t138 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
-  %t139 = load { ptr, i64, i64 }, ptr %t138
-  store { ptr, i64, i64 } %t139, ptr %a140
-  call void @finch_str_copy(ptr %a141, ptr %a140)
-  %t142 = load { ptr, i64, i64 }, ptr %a141
-  %t143 = insertvalue %S.ast.Type %t137, { ptr, i64, i64 } %t142, 3
-  %t144 = insertvalue %S.gen.Val %t130, %S.ast.Type %t143, 1
-  ret %S.gen.Val %t144
+inrange6634:
+  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
+  %t140 = getelementptr inbounds i64, ptr %t139, i64 %t135
+  %t141 = load i64, ptr %t140
+  call void @finch_str_from_int(ptr %a142, i64 %t141)
+  %t143 = load { ptr, i64, i64 }, ptr %a142
+  %t144 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t143, 0
+  %t145 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4315, i64 4, i64 0 }, 0
+  %t146 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t147 = load { ptr, i64, i64 }, ptr %t146
+  store { ptr, i64, i64 } %t147, ptr %a148
+  call void @finch_str_copy(ptr %a149, ptr %a148)
+  %t150 = load { ptr, i64, i64 }, ptr %a149
+  %t151 = insertvalue %S.ast.Type %t145, { ptr, i64, i64 } %t150, 2
+  %t152 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  store { ptr, i64, i64 } %t153, ptr %a154
+  call void @finch_str_copy(ptr %a155, ptr %a154)
+  %t156 = load { ptr, i64, i64 }, ptr %a155
+  %t157 = insertvalue %S.ast.Type %t151, { ptr, i64, i64 } %t156, 3
+  %t158 = insertvalue %S.gen.Val %t144, %S.ast.Type %t157, 1
+  call void @finch.drop.S_gen_EnumDef(ptr %a17)
+  ret %S.gen.Val %t158
 }
 
 define internal %S.gen.Ref @finch.gen.member(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -56295,234 +66563,302 @@ entry:
   %a42 = alloca %S.ast.Type, align 16
   %a48 = alloca %S.ast.Type, align 16
   %a49 = alloca %S.ast.Type, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca %S.ast.Type, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca %S.ast.Type, align 16
-  %a108 = alloca %S.ast.Type, align 16
-  %a110 = alloca %S.ast.Type, align 16
-  %a111 = alloca i1, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca i64, align 16
-  %a137 = alloca i64, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca %S.ast.Type, align 16
+  %a117 = alloca %S.ast.Type, align 16
+  %a119 = alloca %S.ast.Type, align 16
+  %a120 = alloca i1, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca i64, align 16
+  %a146 = alloca i64, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca %S.ast.Type, align 16
-  %a166 = alloca %S.ast.Type, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca %S.ast.Type, align 16
+  %a175 = alloca %S.ast.Type, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca %S.ast.Type, align 16
-  %a196 = alloca %S.ast.Type, align 16
-  %a201 = alloca %S.ast.Type, align 16
-  %a202 = alloca %S.ast.Type, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca %S.ast.Type, align 16
+  %a208 = alloca %S.ast.Type, align 16
+  %a213 = alloca %S.gen.Ref, align 16
+  %a215 = alloca %S.ast.Type, align 16
+  %a216 = alloca %S.ast.Type, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
   %a358 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca %S.ast.Type, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a410 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
   %a424 = alloca { ptr, i64, i64 }, align 16
   %a425 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
   %a438 = alloca { ptr, i64, i64 }, align 16
   %a439 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
   %a458 = alloca { ptr, i64, i64 }, align 16
   %a459 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a462 = alloca { ptr, i64, i64 }, align 16
-  %a463 = alloca { ptr, i64, i64 }, align 16
-  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
   %a469 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
   %a472 = alloca { ptr, i64, i64 }, align 16
-  %a473 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
   %a491 = alloca { ptr, i64, i64 }, align 16
   %a492 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
-  %a498 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a501 = alloca { ptr, i64, i64 }, align 16
   %a502 = alloca { ptr, i64, i64 }, align 16
   %a503 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca %S.gen.StructDef, align 16
-  %a521 = alloca %S.gen.StructDef, align 16
-  %a523 = alloca %S.gen.StructDef, align 16
-  %a528 = alloca i64, align 16
-  %a531 = alloca i64, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a530 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca i64, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
   %a550 = alloca { ptr, i64, i64 }, align 16
   %a551 = alloca { ptr, i64, i64 }, align 16
-  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a559 = alloca { ptr, i64, i64 }, align 16
-  %a560 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a563 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
-  %a570 = alloca { ptr, i64, i64 }, align 16
-  %a572 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a574 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca %S.ast.Type, align 16
-  %a589 = alloca %S.ast.Type, align 16
-  %a591 = alloca %S.ast.Type, align 16
+  %a570 = alloca %S.gen.StructDef, align 16
+  %a571 = alloca %S.gen.StructDef, align 16
+  %a573 = alloca %S.gen.StructDef, align 16
+  %a578 = alloca i64, align 16
+  %a581 = alloca i64, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca i64, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
   %a602 = alloca { ptr, i64, i64 }, align 16
-  %a603 = alloca { ptr, i64, i64 }, align 16
   %a604 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
   %a606 = alloca { ptr, i64, i64 }, align 16
   %a607 = alloca { ptr, i64, i64 }, align 16
-  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
   %a612 = alloca { ptr, i64, i64 }, align 16
   %a613 = alloca { ptr, i64, i64 }, align 16
   %a614 = alloca { ptr, i64, i64 }, align 16
   %a616 = alloca { ptr, i64, i64 }, align 16
   %a617 = alloca { ptr, i64, i64 }, align 16
   %a618 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
   %a626 = alloca { ptr, i64, i64 }, align 16
   %a627 = alloca { ptr, i64, i64 }, align 16
   %a628 = alloca { ptr, i64, i64 }, align 16
+  %a629 = alloca { ptr, i64, i64 }, align 16
   %a630 = alloca { ptr, i64, i64 }, align 16
-  %a631 = alloca { ptr, i64, i64 }, align 16
   %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
   %a637 = alloca { ptr, i64, i64 }, align 16
-  %a638 = alloca { ptr, i64, i64 }, align 16
-  %a639 = alloca { ptr, i64, i64 }, align 16
-  %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a643 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a655 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca %S.ast.Type, align 16
+  %a647 = alloca %S.ast.Type, align 16
+  %a649 = alloca %S.ast.Type, align 16
   %a660 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a662 = alloca { ptr, i64, i64 }, align 16
   %a663 = alloca { ptr, i64, i64 }, align 16
-  %a664 = alloca { ptr, i64, i64 }, align 16
-  %a668 = alloca %S.ast.Type, align 16
-  %a669 = alloca %S.ast.Type, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
   %a677 = alloca { ptr, i64, i64 }, align 16
   %a678 = alloca { ptr, i64, i64 }, align 16
   %a679 = alloca { ptr, i64, i64 }, align 16
-  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
   %a682 = alloca { ptr, i64, i64 }, align 16
-  %a683 = alloca { ptr, i64, i64 }, align 16
-  %a688 = alloca { ptr, i64, i64 }, align 16
   %a689 = alloca { ptr, i64, i64 }, align 16
   %a690 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
   %a692 = alloca { ptr, i64, i64 }, align 16
-  %a693 = alloca { ptr, i64, i64 }, align 16
   %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca { ptr, i64, i64 }, align 16
+  %a697 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a703 = alloca { ptr, i64, i64 }, align 16
   %a704 = alloca { ptr, i64, i64 }, align 16
-  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
   %a707 = alloca { ptr, i64, i64 }, align 16
   %a708 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a714 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca %S.ast.Type, align 16
-  %a719 = alloca %S.ast.Type, align 16
-  %a722 = alloca %S.gen.Val, align 16
-  %a736 = alloca %S.ast.Type, align 16
-  %a737 = alloca %S.ast.Type, align 16
-  %a743 = alloca %S.gen.Val, align 16
-  %a744 = alloca %S.gen.Val, align 16
+  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a733 = alloca { ptr, i64, i64 }, align 16
+  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca %S.ast.Type, align 16
+  %a739 = alloca %S.ast.Type, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a763 = alloca { ptr, i64, i64 }, align 16
+  %a765 = alloca { ptr, i64, i64 }, align 16
+  %a766 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a778 = alloca { ptr, i64, i64 }, align 16
+  %a780 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a788 = alloca { ptr, i64, i64 }, align 16
+  %a790 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca %S.ast.Type, align 16
+  %a796 = alloca %S.ast.Type, align 16
+  %a799 = alloca %S.gen.Val, align 16
+  %a813 = alloca %S.ast.Type, align 16
+  %a814 = alloca %S.ast.Type, align 16
+  %a819 = alloca %S.gen.Val, align 16
+  %a825 = alloca %S.gen.Val, align 16
+  %a826 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -56531,11 +66867,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range6262, label %inrange6263
-range6262:
-  call void @finch_panic_index(ptr @.str.4145, i64 3397, i64 0, i64 %t7)
+  br i1 %t8, label %range6635, label %inrange6636
+range6635:
+  call void @finch_panic_index(ptr @.str.4316, i64 3666, i64 0, i64 %t7)
   unreachable
-inrange6263:
+inrange6636:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
@@ -56543,16 +66879,16 @@ inrange6263:
   store i64 %t12, ptr %a13
   %t14 = load i64, ptr %a13
   %t15 = icmp sge i64 %t14, 0
-  br i1 %t15, label %then6264, label %endif6266
-then6264:
+  br i1 %t15, label %then6637, label %endif6639
+then6637:
   %t16 = load i1, ptr %a3
-  br i1 %t16, label %then6267, label %endif6269
-then6267:
+  br i1 %t16, label %then6640, label %endif6642
+then6640:
   %t17 = load ptr, ptr %a1
   %t18 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t17, %S.ast.Node %t18, { ptr, i64, i64 } { ptr @.str.4146, i64 37, i64 0 })
-  br label %endif6269
-endif6269:
+  call void @finch.gen.fail(ptr %t17, %S.ast.Node %t18, { ptr, i64, i64 } { ptr @.str.4317, i64 37, i64 0 })
+  br label %endif6642
+endif6642:
   %t19 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
   %t20 = load ptr, ptr %a1
   %t21 = load %S.ast.Node, ptr %a2
@@ -56560,17 +66896,17 @@ endif6269:
   %t23 = call %S.gen.Val @finch.gen.enumValue(ptr %t20, %S.ast.Node %t21, i64 %t22)
   %t24 = insertvalue %S.gen.Ref %t19, %S.gen.Val %t23, 2
   ret %S.gen.Ref %t24
-endif6266:
+endif6639:
   %t25 = load ptr, ptr %a1
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t27 = load { ptr, i64, i64 }, ptr %t26
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 0, %t28
-  br i1 %t29, label %range6270, label %inrange6271
-range6270:
-  call void @finch_panic_index(ptr @.str.4147, i64 3404, i64 0, i64 %t28)
+  br i1 %t29, label %range6643, label %inrange6644
+range6643:
+  call void @finch_panic_index(ptr @.str.4318, i64 3673, i64 0, i64 %t28)
   unreachable
-inrange6271:
+inrange6644:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.ast.Node, ptr %t30, i64 0
   %t32 = load %S.ast.Node, ptr %t31
@@ -56586,966 +66922,1148 @@ inrange6271:
   store %S.ast.Type %t41, ptr %a42
   %t43 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
   %t44 = load i1, ptr %t43
-  br i1 %t44, label %then6272, label %endif6274
-then6272:
+  br i1 %t44, label %then6645, label %endif6647
+then6645:
   %t45 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
   %t46 = getelementptr inbounds %S.gen.Place, ptr %t45, i32 0, i32 1
   %t47 = load %S.ast.Type, ptr %t46
   store %S.ast.Type %t47, ptr %a48
   call void @finch.copy.S_ast_Type(ptr %a49, ptr %a48)
   %t50 = load %S.ast.Type, ptr %a49
+  %t51 = load %S.ast.Type, ptr %a42
   store %S.ast.Type %t50, ptr %a42
-  br label %endif6274
-endif6274:
-  %t51 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.4148, i64 3, i64 0 }, ptr %a54
-  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
-  %t56 = icmp ne i32 %t55, 0
-  br i1 %t56, label %then6275, label %endif6277
-then6275:
-  %t57 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t58 = getelementptr inbounds %S.gen.Val, ptr %t57, i32 0, i32 0
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  store { ptr, i64, i64 } %t59, ptr %a60
-  call void @finch_str_copy(ptr %a61, ptr %a60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t65 = load i1, ptr %t64
-  br i1 %t65, label %then6278, label %endif6280
-then6278:
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t68 = getelementptr inbounds %S.gen.Place, ptr %t67, i32 0, i32 0
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  %t70 = call { ptr, i64, i64 } @finch.gen.load(ptr %t66, { ptr, i64, i64 } { ptr @.str.4149, i64 3, i64 0 }, { ptr, i64, i64 } %t69)
-  store { ptr, i64, i64 } %t70, ptr %a63
-  br label %endif6280
-endif6280:
-  %t71 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i32 0, i32 1
-  %t73 = load i64, ptr %t72
-  %t74 = icmp eq i64 %t73, 0
-  br i1 %t74, label %then6281, label %endif6283
-then6281:
-  %t75 = load ptr, ptr %a1
-  %t76 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t75, %S.ast.Node %t76, { ptr, i64, i64 } { ptr @.str.4150, i64 57, i64 0 })
-  br label %endif6283
-endif6283:
-  %t77 = load ptr, ptr %a1
-  %t78 = load ptr, ptr %a1
-  %t79 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.4151, i64 12, i64 0 }, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.4152, i64 6, i64 0 }, ptr %a86
+  store %S.ast.Type %t51, ptr %a52
+  call void @finch.drop.S_ast_Type(ptr %a52)
+  br label %endif6647
+endif6647:
+  %t53 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  store { ptr, i64, i64 } %t54, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.4319, i64 3, i64 0 }, ptr %a56
+  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
+  %t58 = icmp ne i32 %t57, 0
+  br i1 %t58, label %then6648, label %endif6650
+then6648:
+  %t59 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t60 = getelementptr inbounds %S.gen.Val, ptr %t59, i32 0, i32 0
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  store { ptr, i64, i64 } %t61, ptr %a62
+  call void @finch_str_copy(ptr %a63, ptr %a62)
+  %t64 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t67 = load i1, ptr %t66
+  br i1 %t67, label %then6651, label %endif6653
+then6651:
+  %t68 = load ptr, ptr %a1
+  %t69 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t70 = getelementptr inbounds %S.gen.Place, ptr %t69, i32 0, i32 0
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.4320, i64 3, i64 0 }, { ptr, i64, i64 } %t71)
+  %t73 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t72, ptr %a65
+  store { ptr, i64, i64 } %t73, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  br label %endif6653
+endif6653:
+  %t75 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i32 0, i32 1
+  %t77 = load i64, ptr %t76
+  %t78 = icmp eq i64 %t77, 0
+  br i1 %t78, label %then6654, label %endif6656
+then6654:
+  %t79 = load ptr, ptr %a1
+  %t80 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t79, %S.ast.Node %t80, { ptr, i64, i64 } { ptr @.str.4321, i64 57, i64 0 })
+  br label %endif6656
+endif6656:
+  %t81 = load ptr, ptr %a1
+  %t82 = load ptr, ptr %a1
+  %t83 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.4322, i64 12, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
   call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
   %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = call { ptr, i64, i64 } @finch.gen.op(ptr %t78, { ptr, i64, i64 } %t87)
-  %t89 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t90 = load { ptr, i64, i64 }, ptr %t89
-  store { ptr, i64, i64 } { ptr @.str.4153, i64 6, i64 0 }, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t94, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.4154, i64 18, i64 0 }, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  %t99 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t77, { ptr, i64, i64 } %t88, { ptr, i64, i64 } %t98, %S.ast.Node %t99)
-  %t100 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  %t102 = extractvalue { ptr, i64, i64 } %t101, 1
-  %t103 = icmp uge i64 0, %t102
-  br i1 %t103, label %range6284, label %inrange6285
-range6284:
-  call void @finch_panic_index(ptr @.str.4155, i64 3418, i64 0, i64 %t102)
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.4323, i64 6, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  %t93 = call { ptr, i64, i64 } @finch.gen.op(ptr %t82, { ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } %t92, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } { ptr @.str.4324, i64 6, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.4325, i64 18, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  %t106 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t81, { ptr, i64, i64 } %t93, { ptr, i64, i64 } %t105, %S.ast.Node %t106)
+  store { ptr, i64, i64 } %t93, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  store { ptr, i64, i64 } %t105, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 0, %t111
+  br i1 %t112, label %range6657, label %inrange6658
+range6657:
+  call void @finch_panic_index(ptr @.str.4326, i64 3687, i64 0, i64 %t111)
   unreachable
-inrange6285:
-  %t104 = extractvalue { ptr, i64, i64 } %t101, 0
-  %t105 = getelementptr inbounds %S.ast.Type, ptr %t104, i64 0
-  %t106 = load %S.ast.Type, ptr %t105
-  store %S.ast.Type %t106, ptr %a107
-  call void @finch.copy.S_ast_Type(ptr %a108, ptr %a107)
-  %t109 = load %S.ast.Type, ptr %a108
-  store %S.ast.Type %t109, ptr %a110
-  store i1 false, ptr %a111
-  %t112 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 0
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } %t113, ptr %a114
-  store { ptr, i64, i64 } { ptr @.str.4156, i64 6, i64 0 }, ptr %a115
-  %t116 = call i32 @finch_str_eq(ptr %a114, ptr %a115)
-  %t117 = icmp ne i32 %t116, 0
-  br i1 %t117, label %then6286, label %endif6288
-then6286:
-  %t118 = load ptr, ptr %a1
-  %t119 = icmp eq ptr %t118, null
-  br i1 %t119, label %panic6289, label %ok6290
-panic6289:
-  call void @finch_panic(ptr @.str.4157, i64 3421, ptr @.str.4158)
+inrange6658:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds %S.ast.Type, ptr %t113, i64 0
+  %t115 = load %S.ast.Type, ptr %t114
+  store %S.ast.Type %t115, ptr %a116
+  call void @finch.copy.S_ast_Type(ptr %a117, ptr %a116)
+  %t118 = load %S.ast.Type, ptr %a117
+  store %S.ast.Type %t118, ptr %a119
+  store i1 false, ptr %a120
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t122, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.4327, i64 6, i64 0 }, ptr %a124
+  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
+  %t126 = icmp ne i32 %t125, 0
+  br i1 %t126, label %then6659, label %endif6661
+then6659:
+  %t127 = load ptr, ptr %a1
+  %t128 = icmp eq ptr %t127, null
+  br i1 %t128, label %panic6662, label %ok6663
+panic6662:
+  call void @finch_panic(ptr @.str.4328, i64 3690, ptr @.str.4329)
   unreachable
-ok6290:
-  %t120 = getelementptr inbounds %S.gen.Gen, ptr %t118, i32 0, i32 15
-  %t121 = load ptr, ptr %a1
-  %t122 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 3
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  %t124 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 2
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  %t126 = call i64 @finch.gen.findStruct(ptr %t121, { ptr, i64, i64 } %t123, { ptr, i64, i64 } %t125)
-  %t127 = load { ptr, i64, i64 }, ptr %t120
-  %t128 = extractvalue { ptr, i64, i64 } %t127, 1
-  %t129 = icmp uge i64 %t126, %t128
-  br i1 %t129, label %range6291, label %inrange6292
-range6291:
-  call void @finch_panic_index(ptr @.str.4159, i64 3421, i64 %t126, i64 %t128)
+ok6663:
+  %t129 = getelementptr inbounds %S.gen.Gen, ptr %t127, i32 0, i32 16
+  %t130 = load ptr, ptr %a1
+  %t131 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 3
+  %t132 = load { ptr, i64, i64 }, ptr %t131
+  %t133 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 2
+  %t134 = load { ptr, i64, i64 }, ptr %t133
+  %t135 = call i64 @finch.gen.findStruct(ptr %t130, { ptr, i64, i64 } %t132, { ptr, i64, i64 } %t134)
+  %t136 = load { ptr, i64, i64 }, ptr %t129
+  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
+  %t138 = icmp uge i64 %t135, %t137
+  br i1 %t138, label %range6664, label %inrange6665
+range6664:
+  call void @finch_panic_index(ptr @.str.4330, i64 3690, i64 %t135, i64 %t137)
   unreachable
-inrange6292:
-  %t130 = extractvalue { ptr, i64, i64 } %t127, 0
-  %t131 = getelementptr inbounds %S.gen.StructDef, ptr %t130, i64 %t126
-  %t132 = getelementptr inbounds %S.gen.StructDef, ptr %t131, i32 0, i32 11
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t132, i32 0, i32 1
-  store i64 -1, ptr %a134
-  %t135 = load i64, ptr %t133
-  %t136 = load ptr, ptr %t132
-  store i64 0, ptr %a137
-  br label %find.cond6293
-find.cond6293:
-  %t138 = load i64, ptr %a137
-  %t139 = icmp slt i64 %t138, %t135
-  br i1 %t139, label %find.body6294, label %find.end6297
-find.body6294:
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t136, i64 %t138
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t141, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.4160, i64 5, i64 0 }, ptr %a143
-  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
-  %t145 = icmp ne i32 %t144, 0
-  br i1 %t145, label %find.hit6295, label %find.next6296
-find.hit6295:
-  store i64 %t138, ptr %a134
-  br label %find.end6297
-find.next6296:
-  %t146 = add i64 %t138, 1
-  store i64 %t146, ptr %a137
-  br label %find.cond6293
-find.end6297:
-  %t147 = load i64, ptr %a134
-  %t148 = icmp sge i64 %t147, 0
-  store i1 %t148, ptr %a111
-  br label %endif6288
-endif6288:
-  %t149 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+inrange6665:
+  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
+  %t140 = getelementptr inbounds %S.gen.StructDef, ptr %t139, i64 %t135
+  %t141 = getelementptr inbounds %S.gen.StructDef, ptr %t140, i32 0, i32 11
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i32 0, i32 1
+  store i64 -1, ptr %a143
+  %t144 = load i64, ptr %t142
+  %t145 = load ptr, ptr %t141
+  store i64 0, ptr %a146
+  br label %find.cond6666
+find.cond6666:
+  %t147 = load i64, ptr %a146
+  %t148 = icmp slt i64 %t147, %t144
+  br i1 %t148, label %find.body6667, label %find.end6670
+find.body6667:
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i64 %t147
   %t150 = load { ptr, i64, i64 }, ptr %t149
   store { ptr, i64, i64 } %t150, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.4161, i64 5, i64 0 }, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.4331, i64 5, i64 0 }, ptr %a152
   %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
   %t154 = icmp ne i32 %t153, 0
-  br label %logic.from6298
-logic.from6298:
-  br i1 %t154, label %logic.rhs6299, label %logic.end6300
-logic.rhs6299:
-  %t155 = load i1, ptr %a111
-  %t156 = xor i1 %t155, true
-  br label %logic.rend6301
-logic.rend6301:
-  br label %logic.end6300
-logic.end6300:
-  %t157 = phi i1 [ false, %logic.from6298 ], [ %t156, %logic.rend6301 ]
-  br i1 %t157, label %then6302, label %endif6304
-then6302:
-  %t158 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t159 = load { ptr, i64, i64 }, ptr %a63
+  br i1 %t154, label %find.hit6668, label %find.next6669
+find.hit6668:
+  store i64 %t147, ptr %a143
+  br label %find.end6670
+find.next6669:
+  %t155 = add i64 %t147, 1
+  store i64 %t155, ptr %a146
+  br label %find.cond6666
+find.end6670:
+  %t156 = load i64, ptr %a143
+  %t157 = icmp sge i64 %t156, 0
+  store i1 %t157, ptr %a120
+  br label %endif6661
+endif6661:
+  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t159 = load { ptr, i64, i64 }, ptr %t158
   store { ptr, i64, i64 } %t159, ptr %a160
-  call void @finch_str_copy(ptr %a161, ptr %a160)
-  %t162 = load { ptr, i64, i64 }, ptr %a161
-  %t163 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t162, 0
-  %t164 = load %S.ast.Type, ptr %a110
-  store %S.ast.Type %t164, ptr %a165
-  call void @finch.copy.S_ast_Type(ptr %a166, ptr %a165)
-  %t167 = load %S.ast.Type, ptr %a166
-  %t168 = insertvalue %S.gen.Place %t163, %S.ast.Type %t167, 1
-  %t169 = insertvalue %S.gen.Ref %t158, %S.gen.Place %t168, 1
-  ret %S.gen.Ref %t169
-endif6304:
-  %t170 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 0
-  %t171 = load { ptr, i64, i64 }, ptr %t170
-  store { ptr, i64, i64 } %t171, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.4162, i64 6, i64 0 }, ptr %a173
-  %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
-  %t175 = icmp eq i32 %t174, 0
-  br i1 %t175, label %then6305, label %endif6307
-then6305:
-  %t176 = load ptr, ptr %a1
-  %t177 = load %S.ast.Node, ptr %a2
-  %t178 = load %S.ast.Type, ptr %a42
-  %t179 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t178)
-  store { ptr, i64, i64 } { ptr @.str.4163, i64 2, i64 0 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.4164, i64 43, i64 0 }, ptr %a186
-  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  call void @finch.gen.fail(ptr %t176, %S.ast.Node %t177, { ptr, i64, i64 } %t187)
-  br label %endif6307
-endif6307:
-  %t188 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t189 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t189, ptr %a190
-  call void @finch_str_copy(ptr %a191, ptr %a190)
-  %t192 = load { ptr, i64, i64 }, ptr %a191
-  %t193 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t192, 0
-  %t194 = load %S.ast.Type, ptr %a110
-  store %S.ast.Type %t194, ptr %a195
-  call void @finch.copy.S_ast_Type(ptr %a196, ptr %a195)
-  %t197 = load %S.ast.Type, ptr %a196
-  %t198 = insertvalue %S.gen.Place %t193, %S.ast.Type %t197, 1
-  %t199 = insertvalue %S.gen.Ref %t188, %S.gen.Place %t198, 1
-  store %S.gen.Ref %t199, ptr %a35
-  %t200 = load %S.ast.Type, ptr %a110
-  store %S.ast.Type %t200, ptr %a201
-  call void @finch.copy.S_ast_Type(ptr %a202, ptr %a201)
-  %t203 = load %S.ast.Type, ptr %a202
-  store %S.ast.Type %t203, ptr %a42
-  br label %endif6277
-endif6277:
-  %t204 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t205 = load { ptr, i64, i64 }, ptr %t204
-  store { ptr, i64, i64 } %t205, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.4165, i64 5, i64 0 }, ptr %a207
-  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
-  %t209 = icmp ne i32 %t208, 0
-  br i1 %t209, label %then6308, label %endif6310
-then6308:
-  %t210 = load i1, ptr %a3
-  br i1 %t210, label %then6311, label %endif6313
-then6311:
-  %t211 = load ptr, ptr %a1
-  %t212 = load %S.ast.Node, ptr %a2
-  %t213 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t214 = load { ptr, i64, i64 }, ptr %t213
-  store { ptr, i64, i64 } { ptr @.str.4166, i64 1, i64 0 }, ptr %a216
-  store { ptr, i64, i64 } %t214, ptr %a217
-  call void @finch_str_concat(ptr %a215, ptr %a216, ptr %a217)
-  %t218 = load { ptr, i64, i64 }, ptr %a215
-  store { ptr, i64, i64 } %t218, ptr %a220
-  store { ptr, i64, i64 } { ptr @.str.4167, i64 26, i64 0 }, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  call void @finch.gen.fail(ptr %t211, %S.ast.Node %t212, { ptr, i64, i64 } %t222)
-  br label %endif6313
-endif6313:
-  %t223 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t224 = load { ptr, i64, i64 }, ptr %t223
-  store { ptr, i64, i64 } %t224, ptr %a225
-  store { ptr, i64, i64 } { ptr @.str.4168, i64 3, i64 0 }, ptr %a226
-  %t227 = call i32 @finch_str_eq(ptr %a225, ptr %a226)
-  %t228 = icmp ne i32 %t227, 0
-  br i1 %t228, label %then6314, label %endif6316
-then6314:
-  %t229 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t230 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 4
-  %t231 = load i64, ptr %t230
-  call void @finch_str_from_int(ptr %a232, i64 %t231)
-  %t233 = load { ptr, i64, i64 }, ptr %a232
-  %t234 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t233, 0
-  %t235 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4169, i64 3, i64 0 })
-  %t236 = insertvalue %S.gen.Val %t234, %S.ast.Type %t235, 1
-  %t237 = insertvalue %S.gen.Val %t236, i1 true, 3
-  %t238 = insertvalue %S.gen.Ref %t229, %S.gen.Val %t237, 2
-  ret %S.gen.Ref %t238
-endif6316:
-  %t239 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  store { ptr, i64, i64 } %t240, ptr %a241
-  store { ptr, i64, i64 } { ptr @.str.4170, i64 3, i64 0 }, ptr %a242
-  %t243 = call i32 @finch_str_eq(ptr %a241, ptr %a242)
-  %t244 = icmp eq i32 %t243, 0
-  br i1 %t244, label %then6317, label %endif6319
-then6317:
-  %t245 = load ptr, ptr %a1
-  %t246 = load %S.ast.Node, ptr %a2
-  %t247 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t248 = load { ptr, i64, i64 }, ptr %t247
-  store { ptr, i64, i64 } { ptr @.str.4171, i64 34, i64 0 }, ptr %a250
-  store { ptr, i64, i64 } %t248, ptr %a251
-  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t252, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.4172, i64 1, i64 0 }, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  call void @finch.gen.fail(ptr %t245, %S.ast.Node %t246, { ptr, i64, i64 } %t256)
-  br label %endif6319
-endif6319:
-  %t257 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t258 = load i1, ptr %t257
-  %t259 = xor i1 %t258, true
-  br i1 %t259, label %then6320, label %endif6322
-then6320:
-  %t260 = load ptr, ptr %a1
-  %t261 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t260, %S.ast.Node %t261, { ptr, i64, i64 } { ptr @.str.4173, i64 48, i64 0 })
-  br label %endif6322
-endif6322:
-  %t262 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t263 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t264 = getelementptr inbounds %S.gen.Place, ptr %t263, i32 0, i32 0
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  store { ptr, i64, i64 } %t265, ptr %a266
-  call void @finch_str_copy(ptr %a267, ptr %a266)
-  %t268 = load { ptr, i64, i64 }, ptr %a267
-  %t269 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t268, 0
-  %t270 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t271 = load { ptr, i64, i64 }, ptr %t270
-  %t272 = extractvalue { ptr, i64, i64 } %t271, 1
-  %t273 = icmp uge i64 0, %t272
-  br i1 %t273, label %range6323, label %inrange6324
-range6323:
-  call void @finch_panic_index(ptr @.str.4174, i64 3445, i64 0, i64 %t272)
+  store { ptr, i64, i64 } { ptr @.str.4332, i64 5, i64 0 }, ptr %a161
+  %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
+  %t163 = icmp ne i32 %t162, 0
+  br label %logic.from6671
+logic.from6671:
+  br i1 %t163, label %logic.rhs6672, label %logic.end6673
+logic.rhs6672:
+  %t164 = load i1, ptr %a120
+  %t165 = xor i1 %t164, true
+  br label %logic.rend6674
+logic.rend6674:
+  br label %logic.end6673
+logic.end6673:
+  %t166 = phi i1 [ false, %logic.from6671 ], [ %t165, %logic.rend6674 ]
+  br i1 %t166, label %then6675, label %endif6677
+then6675:
+  %t167 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t168 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t168, ptr %a169
+  call void @finch_str_copy(ptr %a170, ptr %a169)
+  %t171 = load { ptr, i64, i64 }, ptr %a170
+  %t172 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t171, 0
+  %t173 = load %S.ast.Type, ptr %a119
+  store %S.ast.Type %t173, ptr %a174
+  call void @finch.copy.S_ast_Type(ptr %a175, ptr %a174)
+  %t176 = load %S.ast.Type, ptr %a175
+  %t177 = insertvalue %S.gen.Place %t172, %S.ast.Type %t176, 1
+  %t178 = insertvalue %S.gen.Ref %t167, %S.gen.Place %t177, 1
+  call void @finch.drop.S_ast_Type(ptr %a119)
+  call void @finch_str_drop(ptr %a65)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t178
+endif6677:
+  %t179 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 0
+  %t180 = load { ptr, i64, i64 }, ptr %t179
+  store { ptr, i64, i64 } %t180, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.4333, i64 6, i64 0 }, ptr %a182
+  %t183 = call i32 @finch_str_eq(ptr %a181, ptr %a182)
+  %t184 = icmp eq i32 %t183, 0
+  br i1 %t184, label %then6678, label %endif6680
+then6678:
+  %t185 = load ptr, ptr %a1
+  %t186 = load %S.ast.Node, ptr %a2
+  %t187 = load %S.ast.Type, ptr %a42
+  %t188 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t187)
+  store { ptr, i64, i64 } { ptr @.str.4334, i64 2, i64 0 }, ptr %a190
+  store { ptr, i64, i64 } %t188, ptr %a191
+  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
+  store { ptr, i64, i64 } %t188, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t193, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4335, i64 43, i64 0 }, ptr %a196
+  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
+  store { ptr, i64, i64 } %t193, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a194
+  call void @finch.gen.fail(ptr %t185, %S.ast.Node %t186, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t198, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  br label %endif6680
+endif6680:
+  %t200 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t201 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t201, ptr %a202
+  call void @finch_str_copy(ptr %a203, ptr %a202)
+  %t204 = load { ptr, i64, i64 }, ptr %a203
+  %t205 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t204, 0
+  %t206 = load %S.ast.Type, ptr %a119
+  store %S.ast.Type %t206, ptr %a207
+  call void @finch.copy.S_ast_Type(ptr %a208, ptr %a207)
+  %t209 = load %S.ast.Type, ptr %a208
+  %t210 = insertvalue %S.gen.Place %t205, %S.ast.Type %t209, 1
+  %t211 = insertvalue %S.gen.Ref %t200, %S.gen.Place %t210, 1
+  %t212 = load %S.gen.Ref, ptr %a35
+  store %S.gen.Ref %t211, ptr %a35
+  store %S.gen.Ref %t212, ptr %a213
+  call void @finch.drop.S_gen_Ref(ptr %a213)
+  %t214 = load %S.ast.Type, ptr %a119
+  store %S.ast.Type %t214, ptr %a215
+  call void @finch.copy.S_ast_Type(ptr %a216, ptr %a215)
+  %t217 = load %S.ast.Type, ptr %a216
+  %t218 = load %S.ast.Type, ptr %a42
+  store %S.ast.Type %t217, ptr %a42
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  call void @finch.drop.S_ast_Type(ptr %a119)
+  call void @finch_str_drop(ptr %a65)
+  br label %endif6650
+endif6650:
+  %t220 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t221 = load { ptr, i64, i64 }, ptr %t220
+  store { ptr, i64, i64 } %t221, ptr %a222
+  store { ptr, i64, i64 } { ptr @.str.4336, i64 5, i64 0 }, ptr %a223
+  %t224 = call i32 @finch_str_eq(ptr %a222, ptr %a223)
+  %t225 = icmp ne i32 %t224, 0
+  br i1 %t225, label %then6681, label %endif6683
+then6681:
+  %t226 = load i1, ptr %a3
+  br i1 %t226, label %then6684, label %endif6686
+then6684:
+  %t227 = load ptr, ptr %a1
+  %t228 = load %S.ast.Node, ptr %a2
+  %t229 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t230 = load { ptr, i64, i64 }, ptr %t229
+  store { ptr, i64, i64 } { ptr @.str.4337, i64 1, i64 0 }, ptr %a232
+  store { ptr, i64, i64 } %t230, ptr %a233
+  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
+  %t234 = load { ptr, i64, i64 }, ptr %a231
+  store { ptr, i64, i64 } %t234, ptr %a236
+  store { ptr, i64, i64 } { ptr @.str.4338, i64 26, i64 0 }, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  call void @finch.gen.fail(ptr %t227, %S.ast.Node %t228, { ptr, i64, i64 } %t239)
+  store { ptr, i64, i64 } %t239, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  br label %endif6686
+endif6686:
+  %t241 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a243
+  store { ptr, i64, i64 } { ptr @.str.4339, i64 3, i64 0 }, ptr %a244
+  %t245 = call i32 @finch_str_eq(ptr %a243, ptr %a244)
+  %t246 = icmp ne i32 %t245, 0
+  br i1 %t246, label %then6687, label %endif6689
+then6687:
+  %t247 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t248 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 4
+  %t249 = load i64, ptr %t248
+  call void @finch_str_from_int(ptr %a250, i64 %t249)
+  %t251 = load { ptr, i64, i64 }, ptr %a250
+  %t252 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t251, 0
+  %t253 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4340, i64 3, i64 0 })
+  %t254 = insertvalue %S.gen.Val %t252, %S.ast.Type %t253, 1
+  %t255 = insertvalue %S.gen.Val %t254, i1 true, 3
+  %t256 = insertvalue %S.gen.Ref %t247, %S.gen.Val %t255, 2
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t256
+endif6689:
+  %t257 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
+  store { ptr, i64, i64 } { ptr @.str.4341, i64 3, i64 0 }, ptr %a260
+  %t261 = call i32 @finch_str_eq(ptr %a259, ptr %a260)
+  %t262 = icmp eq i32 %t261, 0
+  br i1 %t262, label %then6690, label %endif6692
+then6690:
+  %t263 = load ptr, ptr %a1
+  %t264 = load %S.ast.Node, ptr %a2
+  %t265 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t266 = load { ptr, i64, i64 }, ptr %t265
+  store { ptr, i64, i64 } { ptr @.str.4342, i64 34, i64 0 }, ptr %a268
+  store { ptr, i64, i64 } %t266, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a267
+  store { ptr, i64, i64 } %t270, ptr %a272
+  store { ptr, i64, i64 } { ptr @.str.4343, i64 1, i64 0 }, ptr %a273
+  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
+  store { ptr, i64, i64 } %t270, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  %t275 = load { ptr, i64, i64 }, ptr %a271
+  call void @finch.gen.fail(ptr %t263, %S.ast.Node %t264, { ptr, i64, i64 } %t275)
+  store { ptr, i64, i64 } %t275, ptr %a276
+  call void @finch_str_drop(ptr %a276)
+  br label %endif6692
+endif6692:
+  %t277 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t278 = load i1, ptr %t277
+  %t279 = xor i1 %t278, true
+  br i1 %t279, label %then6693, label %endif6695
+then6693:
+  %t280 = load ptr, ptr %a1
+  %t281 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t280, %S.ast.Node %t281, { ptr, i64, i64 } { ptr @.str.4344, i64 48, i64 0 })
+  br label %endif6695
+endif6695:
+  %t282 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t283 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t284 = getelementptr inbounds %S.gen.Place, ptr %t283, i32 0, i32 0
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  store { ptr, i64, i64 } %t285, ptr %a286
+  call void @finch_str_copy(ptr %a287, ptr %a286)
+  %t288 = load { ptr, i64, i64 }, ptr %a287
+  %t289 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t288, 0
+  %t290 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t291 = load { ptr, i64, i64 }, ptr %t290
+  %t292 = extractvalue { ptr, i64, i64 } %t291, 1
+  %t293 = icmp uge i64 0, %t292
+  br i1 %t293, label %range6696, label %inrange6697
+range6696:
+  call void @finch_panic_index(ptr @.str.4345, i64 3714, i64 0, i64 %t292)
   unreachable
-inrange6324:
-  %t274 = extractvalue { ptr, i64, i64 } %t271, 0
-  %t275 = getelementptr inbounds %S.ast.Type, ptr %t274, i64 0
-  %t276 = load %S.ast.Type, ptr %t275
-  %t277 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t276)
-  %t278 = insertvalue %S.gen.Val %t269, %S.ast.Type %t277, 1
-  %t279 = insertvalue %S.gen.Ref %t262, %S.gen.Val %t278, 2
-  ret %S.gen.Ref %t279
-endif6310:
-  %t280 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } %t281, ptr %a282
-  store { ptr, i64, i64 } { ptr @.str.4175, i64 5, i64 0 }, ptr %a283
-  %t284 = call i32 @finch_str_eq(ptr %a282, ptr %a283)
-  %t285 = icmp ne i32 %t284, 0
-  br label %logic.from6325
-logic.from6325:
-  br i1 %t285, label %logic.end6327, label %logic.rhs6326
-logic.rhs6326:
-  %t286 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t287 = load { ptr, i64, i64 }, ptr %t286
-  store { ptr, i64, i64 } %t287, ptr %a288
-  store { ptr, i64, i64 } { ptr @.str.4176, i64 3, i64 0 }, ptr %a289
-  %t290 = call i32 @finch_str_eq(ptr %a288, ptr %a289)
-  %t291 = icmp ne i32 %t290, 0
-  br label %logic.rend6328
-logic.rend6328:
-  br label %logic.end6327
-logic.end6327:
-  %t292 = phi i1 [ true, %logic.from6325 ], [ %t291, %logic.rend6328 ]
-  br label %logic.from6329
-logic.from6329:
-  br i1 %t292, label %logic.rhs6330, label %logic.end6331
-logic.rhs6330:
-  %t293 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t294 = load { ptr, i64, i64 }, ptr %t293
-  store { ptr, i64, i64 } %t294, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.4177, i64 3, i64 0 }, ptr %a296
-  %t297 = call i32 @finch_str_eq(ptr %a295, ptr %a296)
-  %t298 = icmp ne i32 %t297, 0
-  br label %logic.rend6332
-logic.rend6332:
-  br label %logic.end6331
-logic.end6331:
-  %t299 = phi i1 [ false, %logic.from6329 ], [ %t298, %logic.rend6332 ]
-  br i1 %t299, label %then6333, label %endif6335
-then6333:
-  %t300 = load i1, ptr %a3
-  br i1 %t300, label %then6336, label %endif6338
-then6336:
-  %t301 = load ptr, ptr %a1
-  %t302 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t301, %S.ast.Node %t302, { ptr, i64, i64 } { ptr @.str.4178, i64 30, i64 0 })
-  br label %endif6338
-endif6338:
-  %t303 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t304 = load i1, ptr %t303
-  %t305 = xor i1 %t304, true
-  br label %logic.from6339
-logic.from6339:
-  br i1 %t305, label %logic.rhs6340, label %logic.end6341
-logic.rhs6340:
-  %t306 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t307 = getelementptr inbounds %S.gen.Val, ptr %t306, i32 0, i32 2
-  %t308 = load i1, ptr %t307
-  br label %logic.rend6342
-logic.rend6342:
-  br label %logic.end6341
-logic.end6341:
-  %t309 = phi i1 [ false, %logic.from6339 ], [ %t308, %logic.rend6342 ]
-  br label %logic.from6343
-logic.from6343:
-  br i1 %t309, label %logic.rhs6344, label %logic.end6345
-logic.rhs6344:
-  %t310 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t311 = getelementptr inbounds %S.gen.Val, ptr %t310, i32 0, i32 0
-  %t312 = load { ptr, i64, i64 }, ptr %t311
-  store { ptr, i64, i64 } %t312, ptr %a313
-  store { ptr, i64, i64 } { ptr @.str.4180, i64 1, i64 0 }, ptr %a315
-  %t316 = call i32 @finch_str_starts(ptr %a313, ptr %a315)
-  %t317 = icmp ne i32 %t316, 0
-  br label %logic.rend6346
-logic.rend6346:
-  br label %logic.end6345
-logic.end6345:
-  %t318 = phi i1 [ false, %logic.from6343 ], [ %t317, %logic.rend6346 ]
-  br i1 %t318, label %then6347, label %endif6349
-then6347:
-  %t319 = load ptr, ptr %a1
-  %t320 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t319, %S.ast.Node %t320, { ptr, i64, i64 } { ptr @.str.4181, i64 53, i64 0 })
-  br label %endif6349
-endif6349:
-  %t321 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t322 = getelementptr inbounds %S.gen.Val, ptr %t321, i32 0, i32 0
-  %t323 = load { ptr, i64, i64 }, ptr %t322
-  store { ptr, i64, i64 } %t323, ptr %a324
-  call void @finch_str_copy(ptr %a325, ptr %a324)
-  %t326 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t326, ptr %a327
-  %t328 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t329 = load i1, ptr %t328
-  br i1 %t329, label %then6350, label %endif6352
-then6350:
-  %t330 = load ptr, ptr %a1
-  %t331 = load ptr, ptr %a1
-  %t332 = load %S.ast.Type, ptr %a42
-  %t333 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t331, %S.ast.Type %t332)
-  %t334 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t335 = getelementptr inbounds %S.gen.Place, ptr %t334, i32 0, i32 0
-  %t336 = load { ptr, i64, i64 }, ptr %t335
-  %t337 = call { ptr, i64, i64 } @finch.gen.load(ptr %t330, { ptr, i64, i64 } %t333, { ptr, i64, i64 } %t336)
-  store { ptr, i64, i64 } %t337, ptr %a327
-  br label %endif6352
-endif6352:
-  %t338 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t339 = load { ptr, i64, i64 }, ptr %t338
-  store { ptr, i64, i64 } %t339, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.4182, i64 3, i64 0 }, ptr %a341
-  %t342 = call i32 @finch_str_eq(ptr %a340, ptr %a341)
-  %t343 = icmp ne i32 %t342, 0
-  br i1 %t343, label %then6353, label %endif6355
-then6353:
-  %t344 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t345 = load ptr, ptr %a1
-  %t346 = load { ptr, i64, i64 }, ptr %a327
-  %t347 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t345, { ptr, i64, i64 } %t346)
-  %t348 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t347, 0
-  %t349 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4183, i64 4, i64 0 })
-  %t350 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t349)
-  %t351 = insertvalue %S.gen.Val %t348, %S.ast.Type %t350, 1
-  %t352 = insertvalue %S.gen.Ref %t344, %S.gen.Val %t351, 2
-  ret %S.gen.Ref %t352
-endif6355:
-  %t353 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t354 = load ptr, ptr %a1
-  %t355 = load { ptr, i64, i64 }, ptr %a327
-  store { ptr, i64, i64 } { ptr @.str.4184, i64 31, i64 0 }, ptr %a357
-  store { ptr, i64, i64 } %t355, ptr %a358
-  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
-  %t359 = load { ptr, i64, i64 }, ptr %a356
-  store { ptr, i64, i64 } %t359, ptr %a361
-  store { ptr, i64, i64 } { ptr @.str.4185, i64 3, i64 0 }, ptr %a362
-  call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  %t364 = call { ptr, i64, i64 } @finch.gen.op(ptr %t354, { ptr, i64, i64 } %t363)
-  %t365 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t364, 0
-  %t366 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t367 = load { ptr, i64, i64 }, ptr %t366
-  %t368 = extractvalue { ptr, i64, i64 } %t367, 1
-  %t369 = icmp uge i64 0, %t368
-  br i1 %t369, label %range6356, label %inrange6357
-range6356:
-  call void @finch_panic_index(ptr @.str.4186, i64 3463, i64 0, i64 %t368)
-  unreachable
-inrange6357:
-  %t370 = extractvalue { ptr, i64, i64 } %t367, 0
-  %t371 = getelementptr inbounds %S.ast.Type, ptr %t370, i64 0
-  %t372 = load %S.ast.Type, ptr %t371
+inrange6697:
+  %t294 = extractvalue { ptr, i64, i64 } %t291, 0
+  %t295 = getelementptr inbounds %S.ast.Type, ptr %t294, i64 0
+  %t296 = load %S.ast.Type, ptr %t295
+  %t297 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t296)
+  %t298 = insertvalue %S.gen.Val %t289, %S.ast.Type %t297, 1
+  %t299 = insertvalue %S.gen.Ref %t282, %S.gen.Val %t298, 2
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t299
+endif6683:
+  %t300 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t301 = load { ptr, i64, i64 }, ptr %t300
+  store { ptr, i64, i64 } %t301, ptr %a302
+  store { ptr, i64, i64 } { ptr @.str.4346, i64 5, i64 0 }, ptr %a303
+  %t304 = call i32 @finch_str_eq(ptr %a302, ptr %a303)
+  %t305 = icmp ne i32 %t304, 0
+  br label %logic.from6698
+logic.from6698:
+  br i1 %t305, label %logic.end6700, label %logic.rhs6699
+logic.rhs6699:
+  %t306 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t307 = load { ptr, i64, i64 }, ptr %t306
+  store { ptr, i64, i64 } %t307, ptr %a308
+  store { ptr, i64, i64 } { ptr @.str.4347, i64 3, i64 0 }, ptr %a309
+  %t310 = call i32 @finch_str_eq(ptr %a308, ptr %a309)
+  %t311 = icmp ne i32 %t310, 0
+  br label %logic.rend6701
+logic.rend6701:
+  br label %logic.end6700
+logic.end6700:
+  %t312 = phi i1 [ true, %logic.from6698 ], [ %t311, %logic.rend6701 ]
+  br label %logic.from6702
+logic.from6702:
+  br i1 %t312, label %logic.rhs6703, label %logic.end6704
+logic.rhs6703:
+  %t313 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t314 = load { ptr, i64, i64 }, ptr %t313
+  store { ptr, i64, i64 } %t314, ptr %a315
+  store { ptr, i64, i64 } { ptr @.str.4348, i64 3, i64 0 }, ptr %a316
+  %t317 = call i32 @finch_str_eq(ptr %a315, ptr %a316)
+  %t318 = icmp ne i32 %t317, 0
+  br label %logic.rend6705
+logic.rend6705:
+  br label %logic.end6704
+logic.end6704:
+  %t319 = phi i1 [ false, %logic.from6702 ], [ %t318, %logic.rend6705 ]
+  br i1 %t319, label %then6706, label %endif6708
+then6706:
+  %t320 = load i1, ptr %a3
+  br i1 %t320, label %then6709, label %endif6711
+then6709:
+  %t321 = load ptr, ptr %a1
+  %t322 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t321, %S.ast.Node %t322, { ptr, i64, i64 } { ptr @.str.4349, i64 30, i64 0 })
+  br label %endif6711
+endif6711:
+  %t323 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t324 = load i1, ptr %t323
+  %t325 = xor i1 %t324, true
+  br label %logic.from6712
+logic.from6712:
+  br i1 %t325, label %logic.rhs6713, label %logic.end6714
+logic.rhs6713:
+  %t326 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t327 = getelementptr inbounds %S.gen.Val, ptr %t326, i32 0, i32 2
+  %t328 = load i1, ptr %t327
+  br label %logic.rend6715
+logic.rend6715:
+  br label %logic.end6714
+logic.end6714:
+  %t329 = phi i1 [ false, %logic.from6712 ], [ %t328, %logic.rend6715 ]
+  br label %logic.from6716
+logic.from6716:
+  br i1 %t329, label %logic.rhs6717, label %logic.end6718
+logic.rhs6717:
+  %t330 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t331 = getelementptr inbounds %S.gen.Val, ptr %t330, i32 0, i32 0
+  %t332 = load { ptr, i64, i64 }, ptr %t331
+  store { ptr, i64, i64 } %t332, ptr %a333
+  store { ptr, i64, i64 } { ptr @.str.4351, i64 1, i64 0 }, ptr %a335
+  %t336 = call i32 @finch_str_starts(ptr %a333, ptr %a335)
+  %t337 = icmp ne i32 %t336, 0
+  br label %logic.rend6719
+logic.rend6719:
+  br label %logic.end6718
+logic.end6718:
+  %t338 = phi i1 [ false, %logic.from6716 ], [ %t337, %logic.rend6719 ]
+  br i1 %t338, label %then6720, label %endif6722
+then6720:
+  %t339 = load ptr, ptr %a1
+  %t340 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t339, %S.ast.Node %t340, { ptr, i64, i64 } { ptr @.str.4352, i64 53, i64 0 })
+  br label %endif6722
+endif6722:
+  %t341 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t342 = getelementptr inbounds %S.gen.Val, ptr %t341, i32 0, i32 0
+  %t343 = load { ptr, i64, i64 }, ptr %t342
+  store { ptr, i64, i64 } %t343, ptr %a344
+  call void @finch_str_copy(ptr %a345, ptr %a344)
+  %t346 = load { ptr, i64, i64 }, ptr %a345
+  store { ptr, i64, i64 } %t346, ptr %a347
+  %t348 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t349 = load i1, ptr %t348
+  br i1 %t349, label %then6723, label %endif6725
+then6723:
+  %t350 = load ptr, ptr %a1
+  %t351 = load ptr, ptr %a1
+  %t352 = load %S.ast.Type, ptr %a42
+  %t353 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t351, %S.ast.Type %t352)
+  %t354 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t355 = getelementptr inbounds %S.gen.Place, ptr %t354, i32 0, i32 0
+  %t356 = load { ptr, i64, i64 }, ptr %t355
+  %t357 = call { ptr, i64, i64 } @finch.gen.load(ptr %t350, { ptr, i64, i64 } %t353, { ptr, i64, i64 } %t356)
+  store { ptr, i64, i64 } %t353, ptr %a358
+  call void @finch_str_drop(ptr %a358)
+  %t359 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t357, ptr %a347
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  br label %endif6725
+endif6725:
+  %t361 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t362 = load { ptr, i64, i64 }, ptr %t361
+  store { ptr, i64, i64 } %t362, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.4353, i64 3, i64 0 }, ptr %a364
+  %t365 = call i32 @finch_str_eq(ptr %a363, ptr %a364)
+  %t366 = icmp ne i32 %t365, 0
+  br i1 %t366, label %then6726, label %endif6728
+then6726:
+  %t367 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t368 = load ptr, ptr %a1
+  %t369 = load { ptr, i64, i64 }, ptr %a347
+  %t370 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t368, { ptr, i64, i64 } %t369)
+  %t371 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t370, 0
+  %t372 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4354, i64 4, i64 0 })
   %t373 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t372)
-  %t374 = insertvalue %S.gen.Val %t365, %S.ast.Type %t373, 1
-  %t375 = insertvalue %S.gen.Ref %t353, %S.gen.Val %t374, 2
-  ret %S.gen.Ref %t375
-endif6335:
-  %t376 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t377 = load { ptr, i64, i64 }, ptr %t376
-  store { ptr, i64, i64 } %t377, ptr %a378
-  store { ptr, i64, i64 } { ptr @.str.4187, i64 5, i64 0 }, ptr %a379
-  %t380 = call i32 @finch_str_eq(ptr %a378, ptr %a379)
-  %t381 = icmp ne i32 %t380, 0
-  br label %logic.from6358
-logic.from6358:
-  br i1 %t381, label %logic.end6360, label %logic.rhs6359
-logic.rhs6359:
-  %t382 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t383 = load { ptr, i64, i64 }, ptr %t382
-  store { ptr, i64, i64 } %t383, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.4188, i64 3, i64 0 }, ptr %a385
-  %t386 = call i32 @finch_str_eq(ptr %a384, ptr %a385)
-  %t387 = icmp ne i32 %t386, 0
-  br label %logic.rend6361
-logic.rend6361:
-  br label %logic.end6360
-logic.end6360:
-  %t388 = phi i1 [ true, %logic.from6358 ], [ %t387, %logic.rend6361 ]
-  br label %logic.from6362
-logic.from6362:
-  br i1 %t388, label %logic.end6364, label %logic.rhs6363
-logic.rhs6363:
-  %t389 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t390 = load { ptr, i64, i64 }, ptr %t389
-  store { ptr, i64, i64 } %t390, ptr %a391
-  store { ptr, i64, i64 } { ptr @.str.4189, i64 3, i64 0 }, ptr %a392
-  %t393 = call i32 @finch_str_eq(ptr %a391, ptr %a392)
-  %t394 = icmp ne i32 %t393, 0
-  br label %logic.rend6365
-logic.rend6365:
-  br label %logic.end6364
-logic.end6364:
-  %t395 = phi i1 [ true, %logic.from6362 ], [ %t394, %logic.rend6365 ]
-  br i1 %t395, label %then6366, label %endif6368
-then6366:
-  %t396 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t397 = load { ptr, i64, i64 }, ptr %t396
-  store { ptr, i64, i64 } %t397, ptr %a398
-  store { ptr, i64, i64 } { ptr @.str.4190, i64 3, i64 0 }, ptr %a399
-  %t400 = call i32 @finch_str_eq(ptr %a398, ptr %a399)
-  %t401 = icmp eq i32 %t400, 0
-  br i1 %t401, label %then6369, label %endif6371
-then6369:
-  %t402 = load ptr, ptr %a1
-  %t403 = load %S.ast.Node, ptr %a2
-  %t404 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t405 = load { ptr, i64, i64 }, ptr %t404
-  store { ptr, i64, i64 } { ptr @.str.4191, i64 37, i64 0 }, ptr %a407
-  store { ptr, i64, i64 } %t405, ptr %a408
-  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
-  %t409 = load { ptr, i64, i64 }, ptr %a406
-  store { ptr, i64, i64 } %t409, ptr %a411
-  store { ptr, i64, i64 } { ptr @.str.4192, i64 1, i64 0 }, ptr %a412
-  call void @finch_str_concat(ptr %a410, ptr %a411, ptr %a412)
-  %t413 = load { ptr, i64, i64 }, ptr %a410
-  call void @finch.gen.fail(ptr %t402, %S.ast.Node %t403, { ptr, i64, i64 } %t413)
-  br label %endif6371
-endif6371:
-  %t414 = load i1, ptr %a3
-  br i1 %t414, label %then6372, label %endif6374
-then6372:
-  %t415 = load ptr, ptr %a1
-  %t416 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t415, %S.ast.Node %t416, { ptr, i64, i64 } { ptr @.str.4193, i64 48, i64 0 })
-  br label %endif6374
-endif6374:
-  %t417 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t418 = load i1, ptr %t417
-  br i1 %t418, label %then6375, label %endif6377
-then6375:
-  %t419 = load ptr, ptr %a1
-  %t420 = load ptr, ptr %a1
-  %t421 = load %S.ast.Type, ptr %a42
-  %t422 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t420, %S.ast.Type %t421)
-  store { ptr, i64, i64 } { ptr @.str.4194, i64 23, i64 0 }, ptr %a424
-  store { ptr, i64, i64 } %t422, ptr %a425
-  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
-  %t426 = load { ptr, i64, i64 }, ptr %a423
-  store { ptr, i64, i64 } %t426, ptr %a428
-  store { ptr, i64, i64 } { ptr @.str.4195, i64 6, i64 0 }, ptr %a429
-  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
-  %t430 = load { ptr, i64, i64 }, ptr %a427
-  %t431 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t432 = getelementptr inbounds %S.gen.Place, ptr %t431, i32 0, i32 0
-  %t433 = load { ptr, i64, i64 }, ptr %t432
-  store { ptr, i64, i64 } %t430, ptr %a435
-  store { ptr, i64, i64 } %t433, ptr %a436
-  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
-  %t437 = load { ptr, i64, i64 }, ptr %a434
-  store { ptr, i64, i64 } %t437, ptr %a439
-  store { ptr, i64, i64 } { ptr @.str.4196, i64 14, i64 0 }, ptr %a440
-  call void @finch_str_concat(ptr %a438, ptr %a439, ptr %a440)
-  %t441 = load { ptr, i64, i64 }, ptr %a438
-  %t442 = call { ptr, i64, i64 } @finch.gen.op(ptr %t419, { ptr, i64, i64 } %t441)
-  store { ptr, i64, i64 } %t442, ptr %a443
-  %t444 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t445 = load ptr, ptr %a1
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  %t447 = call { ptr, i64, i64 } @finch.gen.load(ptr %t445, { ptr, i64, i64 } { ptr @.str.4197, i64 3, i64 0 }, { ptr, i64, i64 } %t446)
-  %t448 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t447, 0
-  %t449 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4198, i64 3, i64 0 })
-  %t450 = insertvalue %S.gen.Val %t448, %S.ast.Type %t449, 1
-  %t451 = insertvalue %S.gen.Ref %t444, %S.gen.Val %t450, 2
-  ret %S.gen.Ref %t451
-endif6377:
-  %t452 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t453 = load ptr, ptr %a1
-  %t454 = load ptr, ptr %a1
-  %t455 = load %S.ast.Type, ptr %a42
-  %t456 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t454, %S.ast.Type %t455)
-  store { ptr, i64, i64 } { ptr @.str.4199, i64 13, i64 0 }, ptr %a458
-  store { ptr, i64, i64 } %t456, ptr %a459
-  call void @finch_str_concat(ptr %a457, ptr %a458, ptr %a459)
-  %t460 = load { ptr, i64, i64 }, ptr %a457
-  store { ptr, i64, i64 } %t460, ptr %a462
-  store { ptr, i64, i64 } { ptr @.str.4200, i64 1, i64 0 }, ptr %a463
-  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
-  %t464 = load { ptr, i64, i64 }, ptr %a461
-  %t465 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t466 = getelementptr inbounds %S.gen.Val, ptr %t465, i32 0, i32 0
-  %t467 = load { ptr, i64, i64 }, ptr %t466
-  store { ptr, i64, i64 } %t464, ptr %a469
-  store { ptr, i64, i64 } %t467, ptr %a470
-  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
-  %t471 = load { ptr, i64, i64 }, ptr %a468
-  store { ptr, i64, i64 } %t471, ptr %a473
-  store { ptr, i64, i64 } { ptr @.str.4201, i64 3, i64 0 }, ptr %a474
-  call void @finch_str_concat(ptr %a472, ptr %a473, ptr %a474)
-  %t475 = load { ptr, i64, i64 }, ptr %a472
-  %t476 = call { ptr, i64, i64 } @finch.gen.op(ptr %t453, { ptr, i64, i64 } %t475)
-  %t477 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t476, 0
-  %t478 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4202, i64 3, i64 0 })
-  %t479 = insertvalue %S.gen.Val %t477, %S.ast.Type %t478, 1
-  %t480 = insertvalue %S.gen.Ref %t452, %S.gen.Val %t479, 2
-  ret %S.gen.Ref %t480
-endif6368:
-  %t481 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t482 = load { ptr, i64, i64 }, ptr %t481
-  store { ptr, i64, i64 } %t482, ptr %a483
-  store { ptr, i64, i64 } { ptr @.str.4203, i64 6, i64 0 }, ptr %a484
-  %t485 = call i32 @finch_str_eq(ptr %a483, ptr %a484)
-  %t486 = icmp eq i32 %t485, 0
-  br i1 %t486, label %then6378, label %endif6380
-then6378:
-  %t487 = load ptr, ptr %a1
-  %t488 = load %S.ast.Node, ptr %a2
-  %t489 = load %S.ast.Type, ptr %a42
-  %t490 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t489)
-  store { ptr, i64, i64 } %t490, ptr %a492
-  store { ptr, i64, i64 } { ptr @.str.4204, i64 21, i64 0 }, ptr %a493
-  call void @finch_str_concat(ptr %a491, ptr %a492, ptr %a493)
-  %t494 = load { ptr, i64, i64 }, ptr %a491
-  %t495 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t496 = load { ptr, i64, i64 }, ptr %t495
-  store { ptr, i64, i64 } %t494, ptr %a498
-  store { ptr, i64, i64 } %t496, ptr %a499
-  call void @finch_str_concat(ptr %a497, ptr %a498, ptr %a499)
-  %t500 = load { ptr, i64, i64 }, ptr %a497
-  store { ptr, i64, i64 } %t500, ptr %a502
-  store { ptr, i64, i64 } { ptr @.str.4205, i64 2, i64 0 }, ptr %a503
-  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
-  %t504 = load { ptr, i64, i64 }, ptr %a501
-  call void @finch.gen.fail(ptr %t487, %S.ast.Node %t488, { ptr, i64, i64 } %t504)
-  br label %endif6380
-endif6380:
-  %t505 = load ptr, ptr %a1
-  %t506 = icmp eq ptr %t505, null
-  br i1 %t506, label %panic6381, label %ok6382
-panic6381:
-  call void @finch_panic(ptr @.str.4206, i64 3481, ptr @.str.4207)
+  store %S.ast.Type %t372, ptr %a374
+  call void @finch.drop.S_ast_Type(ptr %a374)
+  %t375 = insertvalue %S.gen.Val %t371, %S.ast.Type %t373, 1
+  %t376 = insertvalue %S.gen.Ref %t367, %S.gen.Val %t375, 2
+  call void @finch_str_drop(ptr %a347)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t376
+endif6728:
+  %t377 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t378 = load ptr, ptr %a1
+  %t379 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } { ptr @.str.4355, i64 31, i64 0 }, ptr %a381
+  store { ptr, i64, i64 } %t379, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  %t383 = load { ptr, i64, i64 }, ptr %a380
+  store { ptr, i64, i64 } %t383, ptr %a385
+  store { ptr, i64, i64 } { ptr @.str.4356, i64 3, i64 0 }, ptr %a386
+  call void @finch_str_concat(ptr %a384, ptr %a385, ptr %a386)
+  store { ptr, i64, i64 } %t383, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a384
+  %t389 = call { ptr, i64, i64 } @finch.gen.op(ptr %t378, { ptr, i64, i64 } %t388)
+  store { ptr, i64, i64 } %t388, ptr %a390
+  call void @finch_str_drop(ptr %a390)
+  %t391 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t389, 0
+  %t392 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t393 = load { ptr, i64, i64 }, ptr %t392
+  %t394 = extractvalue { ptr, i64, i64 } %t393, 1
+  %t395 = icmp uge i64 0, %t394
+  br i1 %t395, label %range6729, label %inrange6730
+range6729:
+  call void @finch_panic_index(ptr @.str.4357, i64 3732, i64 0, i64 %t394)
   unreachable
-ok6382:
-  %t507 = getelementptr inbounds %S.gen.Gen, ptr %t505, i32 0, i32 15
-  %t508 = load ptr, ptr %a1
-  %t509 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 3
-  %t510 = load { ptr, i64, i64 }, ptr %t509
-  %t511 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 2
-  %t512 = load { ptr, i64, i64 }, ptr %t511
-  %t513 = call i64 @finch.gen.findStruct(ptr %t508, { ptr, i64, i64 } %t510, { ptr, i64, i64 } %t512)
-  %t514 = load { ptr, i64, i64 }, ptr %t507
-  %t515 = extractvalue { ptr, i64, i64 } %t514, 1
-  %t516 = icmp uge i64 %t513, %t515
-  br i1 %t516, label %range6383, label %inrange6384
-range6383:
-  call void @finch_panic_index(ptr @.str.4208, i64 3481, i64 %t513, i64 %t515)
-  unreachable
-inrange6384:
-  %t517 = extractvalue { ptr, i64, i64 } %t514, 0
-  %t518 = getelementptr inbounds %S.gen.StructDef, ptr %t517, i64 %t513
-  %t519 = load %S.gen.StructDef, ptr %t518
-  store %S.gen.StructDef %t519, ptr %a520
-  call void @finch.copy.S_gen_StructDef(ptr %a521, ptr %a520)
-  %t522 = load %S.gen.StructDef, ptr %a521
-  store %S.gen.StructDef %t522, ptr %a523
-  %t524 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 11
-  %t525 = getelementptr inbounds { ptr, i64, i64 }, ptr %t524, i32 0, i32 1
-  %t526 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t527 = load { ptr, i64, i64 }, ptr %t526
-  store i64 -1, ptr %a528
-  %t529 = load i64, ptr %t525
-  %t530 = load ptr, ptr %t524
-  store i64 0, ptr %a531
-  br label %find.cond6385
-find.cond6385:
-  %t532 = load i64, ptr %a531
-  %t533 = icmp slt i64 %t532, %t529
-  br i1 %t533, label %find.body6386, label %find.end6389
-find.body6386:
-  %t534 = getelementptr inbounds { ptr, i64, i64 }, ptr %t530, i64 %t532
-  %t535 = load { ptr, i64, i64 }, ptr %t534
-  store { ptr, i64, i64 } %t535, ptr %a536
-  store { ptr, i64, i64 } %t527, ptr %a537
-  %t538 = call i32 @finch_str_eq(ptr %a536, ptr %a537)
-  %t539 = icmp ne i32 %t538, 0
-  br i1 %t539, label %find.hit6387, label %find.next6388
-find.hit6387:
-  store i64 %t532, ptr %a528
-  br label %find.end6389
-find.next6388:
-  %t540 = add i64 %t532, 1
-  store i64 %t540, ptr %a531
-  br label %find.cond6385
-find.end6389:
-  %t541 = load i64, ptr %a528
-  store i64 %t541, ptr %a542
-  %t543 = load i64, ptr %a542
-  %t544 = icmp slt i64 %t543, 0
-  br i1 %t544, label %then6390, label %endif6392
-then6390:
-  %t545 = load ptr, ptr %a1
-  %t546 = load %S.ast.Node, ptr %a2
-  %t547 = load %S.ast.Type, ptr %a42
-  %t548 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t547)
-  store { ptr, i64, i64 } { ptr @.str.4209, i64 11, i64 0 }, ptr %a550
-  store { ptr, i64, i64 } %t548, ptr %a551
+inrange6730:
+  %t396 = extractvalue { ptr, i64, i64 } %t393, 0
+  %t397 = getelementptr inbounds %S.ast.Type, ptr %t396, i64 0
+  %t398 = load %S.ast.Type, ptr %t397
+  %t399 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t398)
+  %t400 = insertvalue %S.gen.Val %t391, %S.ast.Type %t399, 1
+  %t401 = insertvalue %S.gen.Ref %t377, %S.gen.Val %t400, 2
+  call void @finch_str_drop(ptr %a347)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t401
+endif6708:
+  %t402 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t403 = load { ptr, i64, i64 }, ptr %t402
+  store { ptr, i64, i64 } %t403, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4358, i64 5, i64 0 }, ptr %a405
+  %t406 = call i32 @finch_str_eq(ptr %a404, ptr %a405)
+  %t407 = icmp ne i32 %t406, 0
+  br label %logic.from6731
+logic.from6731:
+  br i1 %t407, label %logic.end6733, label %logic.rhs6732
+logic.rhs6732:
+  %t408 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t409 = load { ptr, i64, i64 }, ptr %t408
+  store { ptr, i64, i64 } %t409, ptr %a410
+  store { ptr, i64, i64 } { ptr @.str.4359, i64 3, i64 0 }, ptr %a411
+  %t412 = call i32 @finch_str_eq(ptr %a410, ptr %a411)
+  %t413 = icmp ne i32 %t412, 0
+  br label %logic.rend6734
+logic.rend6734:
+  br label %logic.end6733
+logic.end6733:
+  %t414 = phi i1 [ true, %logic.from6731 ], [ %t413, %logic.rend6734 ]
+  br label %logic.from6735
+logic.from6735:
+  br i1 %t414, label %logic.end6737, label %logic.rhs6736
+logic.rhs6736:
+  %t415 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  store { ptr, i64, i64 } %t416, ptr %a417
+  store { ptr, i64, i64 } { ptr @.str.4360, i64 3, i64 0 }, ptr %a418
+  %t419 = call i32 @finch_str_eq(ptr %a417, ptr %a418)
+  %t420 = icmp ne i32 %t419, 0
+  br label %logic.rend6738
+logic.rend6738:
+  br label %logic.end6737
+logic.end6737:
+  %t421 = phi i1 [ true, %logic.from6735 ], [ %t420, %logic.rend6738 ]
+  br i1 %t421, label %then6739, label %endif6741
+then6739:
+  %t422 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t423 = load { ptr, i64, i64 }, ptr %t422
+  store { ptr, i64, i64 } %t423, ptr %a424
+  store { ptr, i64, i64 } { ptr @.str.4361, i64 3, i64 0 }, ptr %a425
+  %t426 = call i32 @finch_str_eq(ptr %a424, ptr %a425)
+  %t427 = icmp eq i32 %t426, 0
+  br i1 %t427, label %then6742, label %endif6744
+then6742:
+  %t428 = load ptr, ptr %a1
+  %t429 = load %S.ast.Node, ptr %a2
+  %t430 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t431 = load { ptr, i64, i64 }, ptr %t430
+  store { ptr, i64, i64 } { ptr @.str.4362, i64 37, i64 0 }, ptr %a433
+  store { ptr, i64, i64 } %t431, ptr %a434
+  call void @finch_str_concat(ptr %a432, ptr %a433, ptr %a434)
+  %t435 = load { ptr, i64, i64 }, ptr %a432
+  store { ptr, i64, i64 } %t435, ptr %a437
+  store { ptr, i64, i64 } { ptr @.str.4363, i64 1, i64 0 }, ptr %a438
+  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
+  store { ptr, i64, i64 } %t435, ptr %a439
+  call void @finch_str_drop(ptr %a439)
+  %t440 = load { ptr, i64, i64 }, ptr %a436
+  call void @finch.gen.fail(ptr %t428, %S.ast.Node %t429, { ptr, i64, i64 } %t440)
+  store { ptr, i64, i64 } %t440, ptr %a441
+  call void @finch_str_drop(ptr %a441)
+  br label %endif6744
+endif6744:
+  %t442 = load i1, ptr %a3
+  br i1 %t442, label %then6745, label %endif6747
+then6745:
+  %t443 = load ptr, ptr %a1
+  %t444 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t443, %S.ast.Node %t444, { ptr, i64, i64 } { ptr @.str.4364, i64 48, i64 0 })
+  br label %endif6747
+endif6747:
+  %t445 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t446 = load i1, ptr %t445
+  br i1 %t446, label %then6748, label %endif6750
+then6748:
+  %t447 = load ptr, ptr %a1
+  %t448 = load ptr, ptr %a1
+  %t449 = load %S.ast.Type, ptr %a42
+  %t450 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t448, %S.ast.Type %t449)
+  store { ptr, i64, i64 } { ptr @.str.4365, i64 23, i64 0 }, ptr %a452
+  store { ptr, i64, i64 } %t450, ptr %a453
+  call void @finch_str_concat(ptr %a451, ptr %a452, ptr %a453)
+  store { ptr, i64, i64 } %t450, ptr %a454
+  call void @finch_str_drop(ptr %a454)
+  %t455 = load { ptr, i64, i64 }, ptr %a451
+  store { ptr, i64, i64 } %t455, ptr %a457
+  store { ptr, i64, i64 } { ptr @.str.4366, i64 6, i64 0 }, ptr %a458
+  call void @finch_str_concat(ptr %a456, ptr %a457, ptr %a458)
+  store { ptr, i64, i64 } %t455, ptr %a459
+  call void @finch_str_drop(ptr %a459)
+  %t460 = load { ptr, i64, i64 }, ptr %a456
+  %t461 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t462 = getelementptr inbounds %S.gen.Place, ptr %t461, i32 0, i32 0
+  %t463 = load { ptr, i64, i64 }, ptr %t462
+  store { ptr, i64, i64 } %t460, ptr %a465
+  store { ptr, i64, i64 } %t463, ptr %a466
+  call void @finch_str_concat(ptr %a464, ptr %a465, ptr %a466)
+  store { ptr, i64, i64 } %t460, ptr %a467
+  call void @finch_str_drop(ptr %a467)
+  %t468 = load { ptr, i64, i64 }, ptr %a464
+  store { ptr, i64, i64 } %t468, ptr %a470
+  store { ptr, i64, i64 } { ptr @.str.4367, i64 14, i64 0 }, ptr %a471
+  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
+  store { ptr, i64, i64 } %t468, ptr %a472
+  call void @finch_str_drop(ptr %a472)
+  %t473 = load { ptr, i64, i64 }, ptr %a469
+  %t474 = call { ptr, i64, i64 } @finch.gen.op(ptr %t447, { ptr, i64, i64 } %t473)
+  store { ptr, i64, i64 } %t473, ptr %a475
+  call void @finch_str_drop(ptr %a475)
+  store { ptr, i64, i64 } %t474, ptr %a476
+  %t477 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t478 = load ptr, ptr %a1
+  %t479 = load { ptr, i64, i64 }, ptr %a476
+  %t480 = call { ptr, i64, i64 } @finch.gen.load(ptr %t478, { ptr, i64, i64 } { ptr @.str.4368, i64 3, i64 0 }, { ptr, i64, i64 } %t479)
+  %t481 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t480, 0
+  %t482 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4369, i64 3, i64 0 })
+  %t483 = insertvalue %S.gen.Val %t481, %S.ast.Type %t482, 1
+  %t484 = insertvalue %S.gen.Ref %t477, %S.gen.Val %t483, 2
+  call void @finch_str_drop(ptr %a476)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t484
+endif6750:
+  %t485 = load ptr, ptr %a1
+  %t486 = load ptr, ptr %a1
+  %t487 = load %S.ast.Type, ptr %a42
+  %t488 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t486, %S.ast.Type %t487)
+  store { ptr, i64, i64 } { ptr @.str.4370, i64 13, i64 0 }, ptr %a490
+  store { ptr, i64, i64 } %t488, ptr %a491
+  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
+  store { ptr, i64, i64 } %t488, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = load { ptr, i64, i64 }, ptr %a489
+  store { ptr, i64, i64 } %t493, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.4371, i64 1, i64 0 }, ptr %a496
+  call void @finch_str_concat(ptr %a494, ptr %a495, ptr %a496)
+  store { ptr, i64, i64 } %t493, ptr %a497
+  call void @finch_str_drop(ptr %a497)
+  %t498 = load { ptr, i64, i64 }, ptr %a494
+  %t499 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t500 = getelementptr inbounds %S.gen.Val, ptr %t499, i32 0, i32 0
+  %t501 = load { ptr, i64, i64 }, ptr %t500
+  store { ptr, i64, i64 } %t498, ptr %a503
+  store { ptr, i64, i64 } %t501, ptr %a504
+  call void @finch_str_concat(ptr %a502, ptr %a503, ptr %a504)
+  store { ptr, i64, i64 } %t498, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = load { ptr, i64, i64 }, ptr %a502
+  store { ptr, i64, i64 } %t506, ptr %a508
+  store { ptr, i64, i64 } { ptr @.str.4372, i64 3, i64 0 }, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  %t512 = call { ptr, i64, i64 } @finch.gen.op(ptr %t485, { ptr, i64, i64 } %t511)
+  store { ptr, i64, i64 } %t511, ptr %a513
+  call void @finch_str_drop(ptr %a513)
+  store { ptr, i64, i64 } %t512, ptr %a514
+  %t515 = load ptr, ptr %a1
+  %t516 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t517 = load %S.gen.Val, ptr %t516
+  call void @finch.gen.release(ptr %t515, %S.gen.Val %t517)
+  %t518 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t519 = load { ptr, i64, i64 }, ptr %a514
+  store { ptr, i64, i64 } %t519, ptr %a520
+  call void @finch_str_copy(ptr %a521, ptr %a520)
+  %t522 = load { ptr, i64, i64 }, ptr %a521
+  %t523 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t522, 0
+  %t524 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4373, i64 3, i64 0 })
+  %t525 = insertvalue %S.gen.Val %t523, %S.ast.Type %t524, 1
+  %t526 = insertvalue %S.gen.Ref %t518, %S.gen.Val %t525, 2
+  call void @finch_str_drop(ptr %a514)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t526
+endif6741:
+  %t527 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t528 = load { ptr, i64, i64 }, ptr %t527
+  store { ptr, i64, i64 } %t528, ptr %a529
+  store { ptr, i64, i64 } { ptr @.str.4374, i64 6, i64 0 }, ptr %a530
+  %t531 = call i32 @finch_str_eq(ptr %a529, ptr %a530)
+  %t532 = icmp eq i32 %t531, 0
+  br i1 %t532, label %then6751, label %endif6753
+then6751:
+  %t533 = load ptr, ptr %a1
+  %t534 = load %S.ast.Node, ptr %a2
+  %t535 = load %S.ast.Type, ptr %a42
+  %t536 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t535)
+  store { ptr, i64, i64 } %t536, ptr %a538
+  store { ptr, i64, i64 } { ptr @.str.4375, i64 21, i64 0 }, ptr %a539
+  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
+  store { ptr, i64, i64 } %t536, ptr %a540
+  call void @finch_str_drop(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a537
+  %t542 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t543 = load { ptr, i64, i64 }, ptr %t542
+  store { ptr, i64, i64 } %t541, ptr %a545
+  store { ptr, i64, i64 } %t543, ptr %a546
+  call void @finch_str_concat(ptr %a544, ptr %a545, ptr %a546)
+  store { ptr, i64, i64 } %t541, ptr %a547
+  call void @finch_str_drop(ptr %a547)
+  %t548 = load { ptr, i64, i64 }, ptr %a544
+  store { ptr, i64, i64 } %t548, ptr %a550
+  store { ptr, i64, i64 } { ptr @.str.4376, i64 2, i64 0 }, ptr %a551
   call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  store { ptr, i64, i64 } %t552, ptr %a554
-  store { ptr, i64, i64 } { ptr @.str.4210, i64 15, i64 0 }, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t558 = load { ptr, i64, i64 }, ptr %t557
-  store { ptr, i64, i64 } %t556, ptr %a560
-  store { ptr, i64, i64 } %t558, ptr %a561
-  call void @finch_str_concat(ptr %a559, ptr %a560, ptr %a561)
-  %t562 = load { ptr, i64, i64 }, ptr %a559
-  store { ptr, i64, i64 } %t562, ptr %a564
-  store { ptr, i64, i64 } { ptr @.str.4211, i64 11, i64 0 }, ptr %a565
-  call void @finch_str_concat(ptr %a563, ptr %a564, ptr %a565)
-  %t566 = load { ptr, i64, i64 }, ptr %a563
-  %t567 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 11
-  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %t567, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4212, i64 2, i64 0 }, ptr %a569
-  call void @finch_str_join(ptr %a570, ptr %t567, ptr %a569)
-  %t571 = load { ptr, i64, i64 }, ptr %a570
-  store { ptr, i64, i64 } %t566, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a574
-  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
-  %t575 = load { ptr, i64, i64 }, ptr %a572
-  store { ptr, i64, i64 } %t575, ptr %a577
-  store { ptr, i64, i64 } { ptr @.str.4213, i64 1, i64 0 }, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  call void @finch.gen.fail(ptr %t545, %S.ast.Node %t546, { ptr, i64, i64 } %t579)
-  br label %endif6392
-endif6392:
-  %t580 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 12
-  %t581 = load i64, ptr %a542
-  %t582 = load { ptr, i64, i64 }, ptr %t580
-  %t583 = extractvalue { ptr, i64, i64 } %t582, 1
-  %t584 = icmp uge i64 %t581, %t583
-  br i1 %t584, label %range6393, label %inrange6394
-range6393:
-  call void @finch_panic_index(ptr @.str.4214, i64 3486, i64 %t581, i64 %t583)
+  store { ptr, i64, i64 } %t548, ptr %a552
+  call void @finch_str_drop(ptr %a552)
+  %t553 = load { ptr, i64, i64 }, ptr %a549
+  call void @finch.gen.fail(ptr %t533, %S.ast.Node %t534, { ptr, i64, i64 } %t553)
+  store { ptr, i64, i64 } %t553, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  br label %endif6753
+endif6753:
+  %t555 = load ptr, ptr %a1
+  %t556 = icmp eq ptr %t555, null
+  br i1 %t556, label %panic6754, label %ok6755
+panic6754:
+  call void @finch_panic(ptr @.str.4377, i64 3752, ptr @.str.4378)
   unreachable
-inrange6394:
-  %t585 = extractvalue { ptr, i64, i64 } %t582, 0
-  %t586 = getelementptr inbounds %S.ast.Type, ptr %t585, i64 %t581
-  %t587 = load %S.ast.Type, ptr %t586
-  store %S.ast.Type %t587, ptr %a588
-  call void @finch.copy.S_ast_Type(ptr %a589, ptr %a588)
-  %t590 = load %S.ast.Type, ptr %a589
-  store %S.ast.Type %t590, ptr %a591
-  %t592 = load ptr, ptr %a1
-  %t593 = load %S.ast.Node, ptr %a2
-  %t594 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t595 = load i64, ptr %t594
-  %t596 = add i64 %t595, 1
-  %t597 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t598 = getelementptr inbounds { ptr, i64, i64 }, ptr %t597, i32 0, i32 1
-  %t599 = load i64, ptr %t598
-  %t600 = load %S.ast.Type, ptr %a591
-  %t601 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t600)
-  store { ptr, i64, i64 } { ptr @.str.4215, i64 9, i64 0 }, ptr %a603
-  store { ptr, i64, i64 } %t601, ptr %a604
-  call void @finch_str_concat(ptr %a602, ptr %a603, ptr %a604)
-  %t605 = load { ptr, i64, i64 }, ptr %a602
-  store { ptr, i64, i64 } %t605, ptr %a607
-  store { ptr, i64, i64 } { ptr @.str.4216, i64 1, i64 0 }, ptr %a608
-  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
-  %t609 = load { ptr, i64, i64 }, ptr %a606
-  %t610 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t611 = load { ptr, i64, i64 }, ptr %t610
-  store { ptr, i64, i64 } %t609, ptr %a613
-  store { ptr, i64, i64 } %t611, ptr %a614
-  call void @finch_str_concat(ptr %a612, ptr %a613, ptr %a614)
-  %t615 = load { ptr, i64, i64 }, ptr %a612
+ok6755:
+  %t557 = getelementptr inbounds %S.gen.Gen, ptr %t555, i32 0, i32 16
+  %t558 = load ptr, ptr %a1
+  %t559 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 3
+  %t560 = load { ptr, i64, i64 }, ptr %t559
+  %t561 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 2
+  %t562 = load { ptr, i64, i64 }, ptr %t561
+  %t563 = call i64 @finch.gen.findStruct(ptr %t558, { ptr, i64, i64 } %t560, { ptr, i64, i64 } %t562)
+  %t564 = load { ptr, i64, i64 }, ptr %t557
+  %t565 = extractvalue { ptr, i64, i64 } %t564, 1
+  %t566 = icmp uge i64 %t563, %t565
+  br i1 %t566, label %range6756, label %inrange6757
+range6756:
+  call void @finch_panic_index(ptr @.str.4379, i64 3752, i64 %t563, i64 %t565)
+  unreachable
+inrange6757:
+  %t567 = extractvalue { ptr, i64, i64 } %t564, 0
+  %t568 = getelementptr inbounds %S.gen.StructDef, ptr %t567, i64 %t563
+  %t569 = load %S.gen.StructDef, ptr %t568
+  store %S.gen.StructDef %t569, ptr %a570
+  call void @finch.copy.S_gen_StructDef(ptr %a571, ptr %a570)
+  %t572 = load %S.gen.StructDef, ptr %a571
+  store %S.gen.StructDef %t572, ptr %a573
+  %t574 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 11
+  %t575 = getelementptr inbounds { ptr, i64, i64 }, ptr %t574, i32 0, i32 1
+  %t576 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t577 = load { ptr, i64, i64 }, ptr %t576
+  store i64 -1, ptr %a578
+  %t579 = load i64, ptr %t575
+  %t580 = load ptr, ptr %t574
+  store i64 0, ptr %a581
+  br label %find.cond6758
+find.cond6758:
+  %t582 = load i64, ptr %a581
+  %t583 = icmp slt i64 %t582, %t579
+  br i1 %t583, label %find.body6759, label %find.end6762
+find.body6759:
+  %t584 = getelementptr inbounds { ptr, i64, i64 }, ptr %t580, i64 %t582
+  %t585 = load { ptr, i64, i64 }, ptr %t584
+  store { ptr, i64, i64 } %t585, ptr %a586
+  store { ptr, i64, i64 } %t577, ptr %a587
+  %t588 = call i32 @finch_str_eq(ptr %a586, ptr %a587)
+  %t589 = icmp ne i32 %t588, 0
+  br i1 %t589, label %find.hit6760, label %find.next6761
+find.hit6760:
+  store i64 %t582, ptr %a578
+  br label %find.end6762
+find.next6761:
+  %t590 = add i64 %t582, 1
+  store i64 %t590, ptr %a581
+  br label %find.cond6758
+find.end6762:
+  %t591 = load i64, ptr %a578
+  store i64 %t591, ptr %a592
+  %t593 = load i64, ptr %a592
+  %t594 = icmp slt i64 %t593, 0
+  br i1 %t594, label %then6763, label %endif6765
+then6763:
+  %t595 = load ptr, ptr %a1
+  %t596 = load %S.ast.Node, ptr %a2
+  %t597 = load %S.ast.Type, ptr %a42
+  %t598 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t597)
+  store { ptr, i64, i64 } { ptr @.str.4380, i64 11, i64 0 }, ptr %a600
+  store { ptr, i64, i64 } %t598, ptr %a601
+  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
+  store { ptr, i64, i64 } %t598, ptr %a602
+  call void @finch_str_drop(ptr %a602)
+  %t603 = load { ptr, i64, i64 }, ptr %a599
+  store { ptr, i64, i64 } %t603, ptr %a605
+  store { ptr, i64, i64 } { ptr @.str.4381, i64 15, i64 0 }, ptr %a606
+  call void @finch_str_concat(ptr %a604, ptr %a605, ptr %a606)
+  store { ptr, i64, i64 } %t603, ptr %a607
+  call void @finch_str_drop(ptr %a607)
+  %t608 = load { ptr, i64, i64 }, ptr %a604
+  %t609 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t610 = load { ptr, i64, i64 }, ptr %t609
+  store { ptr, i64, i64 } %t608, ptr %a612
+  store { ptr, i64, i64 } %t610, ptr %a613
+  call void @finch_str_concat(ptr %a611, ptr %a612, ptr %a613)
+  store { ptr, i64, i64 } %t608, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = load { ptr, i64, i64 }, ptr %a611
   store { ptr, i64, i64 } %t615, ptr %a617
-  store { ptr, i64, i64 } { ptr @.str.4217, i64 4, i64 0 }, ptr %a618
+  store { ptr, i64, i64 } { ptr @.str.4382, i64 11, i64 0 }, ptr %a618
   call void @finch_str_concat(ptr %a616, ptr %a617, ptr %a618)
-  %t619 = load { ptr, i64, i64 }, ptr %a616
-  call void @finch.gen.noteRef(ptr %t592, %S.ast.Node %t593, i64 %t596, i64 %t599, { ptr, i64, i64 } %t619, { ptr, i64, i64 } { ptr @.str.4218, i64 0, i64 0 }, i64 0, i64 0)
-  %t620 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t621 = load i1, ptr %t620
-  br i1 %t621, label %then6395, label %endif6397
-then6395:
-  %t622 = load ptr, ptr %a1
-  %t623 = load ptr, ptr %a1
-  %t624 = load %S.ast.Type, ptr %a42
-  %t625 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t623, %S.ast.Type %t624)
-  store { ptr, i64, i64 } { ptr @.str.4219, i64 23, i64 0 }, ptr %a627
+  store { ptr, i64, i64 } %t615, ptr %a619
+  call void @finch_str_drop(ptr %a619)
+  %t620 = load { ptr, i64, i64 }, ptr %a616
+  %t621 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 11
+  %t622 = getelementptr inbounds { ptr, i64, i64 }, ptr %t621, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4383, i64 2, i64 0 }, ptr %a623
+  call void @finch_str_join(ptr %a624, ptr %t621, ptr %a623)
+  %t625 = load { ptr, i64, i64 }, ptr %a624
+  store { ptr, i64, i64 } %t620, ptr %a627
   store { ptr, i64, i64 } %t625, ptr %a628
   call void @finch_str_concat(ptr %a626, ptr %a627, ptr %a628)
-  %t629 = load { ptr, i64, i64 }, ptr %a626
-  store { ptr, i64, i64 } %t629, ptr %a631
-  store { ptr, i64, i64 } { ptr @.str.4220, i64 6, i64 0 }, ptr %a632
-  call void @finch_str_concat(ptr %a630, ptr %a631, ptr %a632)
-  %t633 = load { ptr, i64, i64 }, ptr %a630
-  %t634 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t635 = getelementptr inbounds %S.gen.Place, ptr %t634, i32 0, i32 0
-  %t636 = load { ptr, i64, i64 }, ptr %t635
-  store { ptr, i64, i64 } %t633, ptr %a638
-  store { ptr, i64, i64 } %t636, ptr %a639
-  call void @finch_str_concat(ptr %a637, ptr %a638, ptr %a639)
-  %t640 = load { ptr, i64, i64 }, ptr %a637
-  store { ptr, i64, i64 } %t640, ptr %a642
-  store { ptr, i64, i64 } { ptr @.str.4221, i64 13, i64 0 }, ptr %a643
-  call void @finch_str_concat(ptr %a641, ptr %a642, ptr %a643)
-  %t644 = load { ptr, i64, i64 }, ptr %a641
-  %t645 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 3
-  %t646 = load i64, ptr %a542
-  %t647 = load { ptr, i64, i64 }, ptr %t645
-  %t648 = extractvalue { ptr, i64, i64 } %t647, 1
-  %t649 = icmp uge i64 %t646, %t648
-  br i1 %t649, label %range6398, label %inrange6399
-range6398:
-  call void @finch_panic_index(ptr @.str.4222, i64 3489, i64 %t646, i64 %t648)
+  store { ptr, i64, i64 } %t620, ptr %a629
+  call void @finch_str_drop(ptr %a629)
+  store { ptr, i64, i64 } %t625, ptr %a630
+  call void @finch_str_drop(ptr %a630)
+  %t631 = load { ptr, i64, i64 }, ptr %a626
+  store { ptr, i64, i64 } %t631, ptr %a633
+  store { ptr, i64, i64 } { ptr @.str.4384, i64 1, i64 0 }, ptr %a634
+  call void @finch_str_concat(ptr %a632, ptr %a633, ptr %a634)
+  store { ptr, i64, i64 } %t631, ptr %a635
+  call void @finch_str_drop(ptr %a635)
+  %t636 = load { ptr, i64, i64 }, ptr %a632
+  call void @finch.gen.fail(ptr %t595, %S.ast.Node %t596, { ptr, i64, i64 } %t636)
+  store { ptr, i64, i64 } %t636, ptr %a637
+  call void @finch_str_drop(ptr %a637)
+  br label %endif6765
+endif6765:
+  %t638 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 12
+  %t639 = load i64, ptr %a592
+  %t640 = load { ptr, i64, i64 }, ptr %t638
+  %t641 = extractvalue { ptr, i64, i64 } %t640, 1
+  %t642 = icmp uge i64 %t639, %t641
+  br i1 %t642, label %range6766, label %inrange6767
+range6766:
+  call void @finch_panic_index(ptr @.str.4385, i64 3757, i64 %t639, i64 %t641)
   unreachable
-inrange6399:
-  %t650 = extractvalue { ptr, i64, i64 } %t647, 0
-  %t651 = getelementptr inbounds i64, ptr %t650, i64 %t646
-  %t652 = load i64, ptr %t651
-  call void @finch_str_from_int(ptr %a653, i64 %t652)
-  %t654 = load { ptr, i64, i64 }, ptr %a653
-  store { ptr, i64, i64 } %t644, ptr %a656
-  store { ptr, i64, i64 } %t654, ptr %a657
-  call void @finch_str_concat(ptr %a655, ptr %a656, ptr %a657)
-  %t658 = load { ptr, i64, i64 }, ptr %a655
-  %t659 = call { ptr, i64, i64 } @finch.gen.op(ptr %t622, { ptr, i64, i64 } %t658)
-  store { ptr, i64, i64 } %t659, ptr %a660
-  %t661 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t662 = load { ptr, i64, i64 }, ptr %a660
-  store { ptr, i64, i64 } %t662, ptr %a663
-  call void @finch_str_copy(ptr %a664, ptr %a663)
-  %t665 = load { ptr, i64, i64 }, ptr %a664
-  %t666 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t665, 0
-  %t667 = load %S.ast.Type, ptr %a591
-  store %S.ast.Type %t667, ptr %a668
-  call void @finch.copy.S_ast_Type(ptr %a669, ptr %a668)
-  %t670 = load %S.ast.Type, ptr %a669
-  %t671 = insertvalue %S.gen.Place %t666, %S.ast.Type %t670, 1
-  %t672 = insertvalue %S.gen.Ref %t661, %S.gen.Place %t671, 1
-  ret %S.gen.Ref %t672
-endif6397:
-  %t673 = load ptr, ptr %a1
-  %t674 = load ptr, ptr %a1
-  %t675 = load %S.ast.Type, ptr %a42
-  %t676 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t674, %S.ast.Type %t675)
-  store { ptr, i64, i64 } { ptr @.str.4223, i64 13, i64 0 }, ptr %a678
-  store { ptr, i64, i64 } %t676, ptr %a679
+inrange6767:
+  %t643 = extractvalue { ptr, i64, i64 } %t640, 0
+  %t644 = getelementptr inbounds %S.ast.Type, ptr %t643, i64 %t639
+  %t645 = load %S.ast.Type, ptr %t644
+  store %S.ast.Type %t645, ptr %a646
+  call void @finch.copy.S_ast_Type(ptr %a647, ptr %a646)
+  %t648 = load %S.ast.Type, ptr %a647
+  store %S.ast.Type %t648, ptr %a649
+  %t650 = load ptr, ptr %a1
+  %t651 = load %S.ast.Node, ptr %a2
+  %t652 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t653 = load i64, ptr %t652
+  %t654 = add i64 %t653, 1
+  %t655 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t656 = getelementptr inbounds { ptr, i64, i64 }, ptr %t655, i32 0, i32 1
+  %t657 = load i64, ptr %t656
+  %t658 = load %S.ast.Type, ptr %a649
+  %t659 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t658)
+  store { ptr, i64, i64 } { ptr @.str.4386, i64 9, i64 0 }, ptr %a661
+  store { ptr, i64, i64 } %t659, ptr %a662
+  call void @finch_str_concat(ptr %a660, ptr %a661, ptr %a662)
+  store { ptr, i64, i64 } %t659, ptr %a663
+  call void @finch_str_drop(ptr %a663)
+  %t664 = load { ptr, i64, i64 }, ptr %a660
+  store { ptr, i64, i64 } %t664, ptr %a666
+  store { ptr, i64, i64 } { ptr @.str.4387, i64 1, i64 0 }, ptr %a667
+  call void @finch_str_concat(ptr %a665, ptr %a666, ptr %a667)
+  store { ptr, i64, i64 } %t664, ptr %a668
+  call void @finch_str_drop(ptr %a668)
+  %t669 = load { ptr, i64, i64 }, ptr %a665
+  %t670 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t671 = load { ptr, i64, i64 }, ptr %t670
+  store { ptr, i64, i64 } %t669, ptr %a673
+  store { ptr, i64, i64 } %t671, ptr %a674
+  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
+  store { ptr, i64, i64 } %t669, ptr %a675
+  call void @finch_str_drop(ptr %a675)
+  %t676 = load { ptr, i64, i64 }, ptr %a672
+  store { ptr, i64, i64 } %t676, ptr %a678
+  store { ptr, i64, i64 } { ptr @.str.4388, i64 4, i64 0 }, ptr %a679
   call void @finch_str_concat(ptr %a677, ptr %a678, ptr %a679)
-  %t680 = load { ptr, i64, i64 }, ptr %a677
-  store { ptr, i64, i64 } %t680, ptr %a682
-  store { ptr, i64, i64 } { ptr @.str.4224, i64 1, i64 0 }, ptr %a683
-  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
-  %t684 = load { ptr, i64, i64 }, ptr %a681
-  %t685 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t686 = getelementptr inbounds %S.gen.Val, ptr %t685, i32 0, i32 0
-  %t687 = load { ptr, i64, i64 }, ptr %t686
-  store { ptr, i64, i64 } %t684, ptr %a689
-  store { ptr, i64, i64 } %t687, ptr %a690
-  call void @finch_str_concat(ptr %a688, ptr %a689, ptr %a690)
-  %t691 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t691, ptr %a693
-  store { ptr, i64, i64 } { ptr @.str.4225, i64 2, i64 0 }, ptr %a694
-  call void @finch_str_concat(ptr %a692, ptr %a693, ptr %a694)
-  %t695 = load { ptr, i64, i64 }, ptr %a692
-  %t696 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 3
-  %t697 = load i64, ptr %a542
-  %t698 = load { ptr, i64, i64 }, ptr %t696
-  %t699 = extractvalue { ptr, i64, i64 } %t698, 1
-  %t700 = icmp uge i64 %t697, %t699
-  br i1 %t700, label %range6400, label %inrange6401
-range6400:
-  call void @finch_panic_index(ptr @.str.4226, i64 3492, i64 %t697, i64 %t699)
+  store { ptr, i64, i64 } %t676, ptr %a680
+  call void @finch_str_drop(ptr %a680)
+  %t681 = load { ptr, i64, i64 }, ptr %a677
+  call void @finch.gen.noteRef(ptr %t650, %S.ast.Node %t651, i64 %t654, i64 %t657, { ptr, i64, i64 } %t681, { ptr, i64, i64 } { ptr @.str.4389, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t681, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t684 = load i1, ptr %t683
+  br i1 %t684, label %then6768, label %endif6770
+then6768:
+  %t685 = load ptr, ptr %a1
+  %t686 = load ptr, ptr %a1
+  %t687 = load %S.ast.Type, ptr %a42
+  %t688 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t686, %S.ast.Type %t687)
+  store { ptr, i64, i64 } { ptr @.str.4390, i64 23, i64 0 }, ptr %a690
+  store { ptr, i64, i64 } %t688, ptr %a691
+  call void @finch_str_concat(ptr %a689, ptr %a690, ptr %a691)
+  store { ptr, i64, i64 } %t688, ptr %a692
+  call void @finch_str_drop(ptr %a692)
+  %t693 = load { ptr, i64, i64 }, ptr %a689
+  store { ptr, i64, i64 } %t693, ptr %a695
+  store { ptr, i64, i64 } { ptr @.str.4391, i64 6, i64 0 }, ptr %a696
+  call void @finch_str_concat(ptr %a694, ptr %a695, ptr %a696)
+  store { ptr, i64, i64 } %t693, ptr %a697
+  call void @finch_str_drop(ptr %a697)
+  %t698 = load { ptr, i64, i64 }, ptr %a694
+  %t699 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t700 = getelementptr inbounds %S.gen.Place, ptr %t699, i32 0, i32 0
+  %t701 = load { ptr, i64, i64 }, ptr %t700
+  store { ptr, i64, i64 } %t698, ptr %a703
+  store { ptr, i64, i64 } %t701, ptr %a704
+  call void @finch_str_concat(ptr %a702, ptr %a703, ptr %a704)
+  store { ptr, i64, i64 } %t698, ptr %a705
+  call void @finch_str_drop(ptr %a705)
+  %t706 = load { ptr, i64, i64 }, ptr %a702
+  store { ptr, i64, i64 } %t706, ptr %a708
+  store { ptr, i64, i64 } { ptr @.str.4392, i64 13, i64 0 }, ptr %a709
+  call void @finch_str_concat(ptr %a707, ptr %a708, ptr %a709)
+  store { ptr, i64, i64 } %t706, ptr %a710
+  call void @finch_str_drop(ptr %a710)
+  %t711 = load { ptr, i64, i64 }, ptr %a707
+  %t712 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 3
+  %t713 = load i64, ptr %a592
+  %t714 = load { ptr, i64, i64 }, ptr %t712
+  %t715 = extractvalue { ptr, i64, i64 } %t714, 1
+  %t716 = icmp uge i64 %t713, %t715
+  br i1 %t716, label %range6771, label %inrange6772
+range6771:
+  call void @finch_panic_index(ptr @.str.4393, i64 3760, i64 %t713, i64 %t715)
   unreachable
-inrange6401:
-  %t701 = extractvalue { ptr, i64, i64 } %t698, 0
-  %t702 = getelementptr inbounds i64, ptr %t701, i64 %t697
-  %t703 = load i64, ptr %t702
-  call void @finch_str_from_int(ptr %a704, i64 %t703)
-  %t705 = load { ptr, i64, i64 }, ptr %a704
-  store { ptr, i64, i64 } %t695, ptr %a707
-  store { ptr, i64, i64 } %t705, ptr %a708
-  call void @finch_str_concat(ptr %a706, ptr %a707, ptr %a708)
-  %t709 = load { ptr, i64, i64 }, ptr %a706
-  %t710 = call { ptr, i64, i64 } @finch.gen.op(ptr %t673, { ptr, i64, i64 } %t709)
-  store { ptr, i64, i64 } %t710, ptr %a711
-  %t712 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t712, ptr %a713
-  call void @finch_str_copy(ptr %a714, ptr %a713)
-  %t715 = load { ptr, i64, i64 }, ptr %a714
-  %t716 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t715, 0
-  %t717 = load %S.ast.Type, ptr %a591
-  store %S.ast.Type %t717, ptr %a718
-  call void @finch.copy.S_ast_Type(ptr %a719, ptr %a718)
-  %t720 = load %S.ast.Type, ptr %a719
-  %t721 = insertvalue %S.gen.Val %t716, %S.ast.Type %t720, 1
-  store %S.gen.Val %t721, ptr %a722
-  %t723 = load ptr, ptr %a1
-  %t724 = load %S.ast.Type, ptr %a591
-  %t725 = call i1 @finch.gen.owning(ptr %t723, %S.ast.Type %t724)
-  br label %logic.from6402
-logic.from6402:
-  br i1 %t725, label %logic.rhs6403, label %logic.end6404
-logic.rhs6403:
-  %t726 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t727 = getelementptr inbounds %S.gen.Val, ptr %t726, i32 0, i32 2
-  %t728 = load i1, ptr %t727
-  br label %logic.rend6405
-logic.rend6405:
-  br label %logic.end6404
-logic.end6404:
-  %t729 = phi i1 [ false, %logic.from6402 ], [ %t728, %logic.rend6405 ]
-  br i1 %t729, label %then6406, label %endif6408
-then6406:
-  %t730 = load ptr, ptr %a1
-  %t731 = load { ptr, i64, i64 }, ptr %a711
-  %t732 = load %S.ast.Type, ptr %a591
-  %t733 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t730, { ptr, i64, i64 } %t731, %S.ast.Type %t732)
-  %t734 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t733, 0
-  %t735 = load %S.ast.Type, ptr %a591
-  store %S.ast.Type %t735, ptr %a736
-  call void @finch.copy.S_ast_Type(ptr %a737, ptr %a736)
-  %t738 = load %S.ast.Type, ptr %a737
-  %t739 = insertvalue %S.gen.Val %t734, %S.ast.Type %t738, 1
-  %t740 = insertvalue %S.gen.Val %t739, i1 true, 2
-  store %S.gen.Val %t740, ptr %a722
-  br label %endif6408
-endif6408:
-  %t741 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t742 = load %S.gen.Val, ptr %a722
-  store %S.gen.Val %t742, ptr %a743
-  call void @finch.copy.S_gen_Val(ptr %a744, ptr %a743)
-  %t745 = load %S.gen.Val, ptr %a744
-  %t746 = insertvalue %S.gen.Ref %t741, %S.gen.Val %t745, 2
-  ret %S.gen.Ref %t746
+inrange6772:
+  %t717 = extractvalue { ptr, i64, i64 } %t714, 0
+  %t718 = getelementptr inbounds i64, ptr %t717, i64 %t713
+  %t719 = load i64, ptr %t718
+  call void @finch_str_from_int(ptr %a720, i64 %t719)
+  %t721 = load { ptr, i64, i64 }, ptr %a720
+  store { ptr, i64, i64 } %t711, ptr %a723
+  store { ptr, i64, i64 } %t721, ptr %a724
+  call void @finch_str_concat(ptr %a722, ptr %a723, ptr %a724)
+  store { ptr, i64, i64 } %t711, ptr %a725
+  call void @finch_str_drop(ptr %a725)
+  store { ptr, i64, i64 } %t721, ptr %a726
+  call void @finch_str_drop(ptr %a726)
+  %t727 = load { ptr, i64, i64 }, ptr %a722
+  %t728 = call { ptr, i64, i64 } @finch.gen.op(ptr %t685, { ptr, i64, i64 } %t727)
+  store { ptr, i64, i64 } %t727, ptr %a729
+  call void @finch_str_drop(ptr %a729)
+  store { ptr, i64, i64 } %t728, ptr %a730
+  %t731 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t732 = load { ptr, i64, i64 }, ptr %a730
+  store { ptr, i64, i64 } %t732, ptr %a733
+  call void @finch_str_copy(ptr %a734, ptr %a733)
+  %t735 = load { ptr, i64, i64 }, ptr %a734
+  %t736 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t735, 0
+  %t737 = load %S.ast.Type, ptr %a649
+  store %S.ast.Type %t737, ptr %a738
+  call void @finch.copy.S_ast_Type(ptr %a739, ptr %a738)
+  %t740 = load %S.ast.Type, ptr %a739
+  %t741 = insertvalue %S.gen.Place %t736, %S.ast.Type %t740, 1
+  %t742 = insertvalue %S.gen.Ref %t731, %S.gen.Place %t741, 1
+  call void @finch_str_drop(ptr %a730)
+  call void @finch.drop.S_ast_Type(ptr %a649)
+  call void @finch.drop.S_gen_StructDef(ptr %a573)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t742
+endif6770:
+  %t743 = load ptr, ptr %a1
+  %t744 = load ptr, ptr %a1
+  %t745 = load %S.ast.Type, ptr %a42
+  %t746 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t744, %S.ast.Type %t745)
+  store { ptr, i64, i64 } { ptr @.str.4394, i64 13, i64 0 }, ptr %a748
+  store { ptr, i64, i64 } %t746, ptr %a749
+  call void @finch_str_concat(ptr %a747, ptr %a748, ptr %a749)
+  store { ptr, i64, i64 } %t746, ptr %a750
+  call void @finch_str_drop(ptr %a750)
+  %t751 = load { ptr, i64, i64 }, ptr %a747
+  store { ptr, i64, i64 } %t751, ptr %a753
+  store { ptr, i64, i64 } { ptr @.str.4395, i64 1, i64 0 }, ptr %a754
+  call void @finch_str_concat(ptr %a752, ptr %a753, ptr %a754)
+  store { ptr, i64, i64 } %t751, ptr %a755
+  call void @finch_str_drop(ptr %a755)
+  %t756 = load { ptr, i64, i64 }, ptr %a752
+  %t757 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t758 = getelementptr inbounds %S.gen.Val, ptr %t757, i32 0, i32 0
+  %t759 = load { ptr, i64, i64 }, ptr %t758
+  store { ptr, i64, i64 } %t756, ptr %a761
+  store { ptr, i64, i64 } %t759, ptr %a762
+  call void @finch_str_concat(ptr %a760, ptr %a761, ptr %a762)
+  store { ptr, i64, i64 } %t756, ptr %a763
+  call void @finch_str_drop(ptr %a763)
+  %t764 = load { ptr, i64, i64 }, ptr %a760
+  store { ptr, i64, i64 } %t764, ptr %a766
+  store { ptr, i64, i64 } { ptr @.str.4396, i64 2, i64 0 }, ptr %a767
+  call void @finch_str_concat(ptr %a765, ptr %a766, ptr %a767)
+  store { ptr, i64, i64 } %t764, ptr %a768
+  call void @finch_str_drop(ptr %a768)
+  %t769 = load { ptr, i64, i64 }, ptr %a765
+  %t770 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 3
+  %t771 = load i64, ptr %a592
+  %t772 = load { ptr, i64, i64 }, ptr %t770
+  %t773 = extractvalue { ptr, i64, i64 } %t772, 1
+  %t774 = icmp uge i64 %t771, %t773
+  br i1 %t774, label %range6773, label %inrange6774
+range6773:
+  call void @finch_panic_index(ptr @.str.4397, i64 3763, i64 %t771, i64 %t773)
+  unreachable
+inrange6774:
+  %t775 = extractvalue { ptr, i64, i64 } %t772, 0
+  %t776 = getelementptr inbounds i64, ptr %t775, i64 %t771
+  %t777 = load i64, ptr %t776
+  call void @finch_str_from_int(ptr %a778, i64 %t777)
+  %t779 = load { ptr, i64, i64 }, ptr %a778
+  store { ptr, i64, i64 } %t769, ptr %a781
+  store { ptr, i64, i64 } %t779, ptr %a782
+  call void @finch_str_concat(ptr %a780, ptr %a781, ptr %a782)
+  store { ptr, i64, i64 } %t769, ptr %a783
+  call void @finch_str_drop(ptr %a783)
+  store { ptr, i64, i64 } %t779, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = load { ptr, i64, i64 }, ptr %a780
+  %t786 = call { ptr, i64, i64 } @finch.gen.op(ptr %t743, { ptr, i64, i64 } %t785)
+  store { ptr, i64, i64 } %t785, ptr %a787
+  call void @finch_str_drop(ptr %a787)
+  store { ptr, i64, i64 } %t786, ptr %a788
+  %t789 = load { ptr, i64, i64 }, ptr %a788
+  store { ptr, i64, i64 } %t789, ptr %a790
+  call void @finch_str_copy(ptr %a791, ptr %a790)
+  %t792 = load { ptr, i64, i64 }, ptr %a791
+  %t793 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t792, 0
+  %t794 = load %S.ast.Type, ptr %a649
+  store %S.ast.Type %t794, ptr %a795
+  call void @finch.copy.S_ast_Type(ptr %a796, ptr %a795)
+  %t797 = load %S.ast.Type, ptr %a796
+  %t798 = insertvalue %S.gen.Val %t793, %S.ast.Type %t797, 1
+  store %S.gen.Val %t798, ptr %a799
+  %t800 = load ptr, ptr %a1
+  %t801 = load %S.ast.Type, ptr %a649
+  %t802 = call i1 @finch.gen.owning(ptr %t800, %S.ast.Type %t801)
+  br label %logic.from6775
+logic.from6775:
+  br i1 %t802, label %logic.rhs6776, label %logic.end6777
+logic.rhs6776:
+  %t803 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t804 = getelementptr inbounds %S.gen.Val, ptr %t803, i32 0, i32 2
+  %t805 = load i1, ptr %t804
+  br label %logic.rend6778
+logic.rend6778:
+  br label %logic.end6777
+logic.end6777:
+  %t806 = phi i1 [ false, %logic.from6775 ], [ %t805, %logic.rend6778 ]
+  br i1 %t806, label %then6779, label %endif6781
+then6779:
+  %t807 = load ptr, ptr %a1
+  %t808 = load { ptr, i64, i64 }, ptr %a788
+  %t809 = load %S.ast.Type, ptr %a649
+  %t810 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t807, { ptr, i64, i64 } %t808, %S.ast.Type %t809)
+  %t811 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t810, 0
+  %t812 = load %S.ast.Type, ptr %a649
+  store %S.ast.Type %t812, ptr %a813
+  call void @finch.copy.S_ast_Type(ptr %a814, ptr %a813)
+  %t815 = load %S.ast.Type, ptr %a814
+  %t816 = insertvalue %S.gen.Val %t811, %S.ast.Type %t815, 1
+  %t817 = insertvalue %S.gen.Val %t816, i1 true, 2
+  %t818 = load %S.gen.Val, ptr %a799
+  store %S.gen.Val %t817, ptr %a799
+  store %S.gen.Val %t818, ptr %a819
+  call void @finch.drop.S_gen_Val(ptr %a819)
+  br label %endif6781
+endif6781:
+  %t820 = load ptr, ptr %a1
+  %t821 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t822 = load %S.gen.Val, ptr %t821
+  call void @finch.gen.release(ptr %t820, %S.gen.Val %t822)
+  %t823 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t824 = load %S.gen.Val, ptr %a799
+  store %S.gen.Val %t824, ptr %a825
+  call void @finch.copy.S_gen_Val(ptr %a826, ptr %a825)
+  %t827 = load %S.gen.Val, ptr %a826
+  %t828 = insertvalue %S.gen.Ref %t823, %S.gen.Val %t827, 2
+  call void @finch.drop.S_gen_Val(ptr %a799)
+  call void @finch_str_drop(ptr %a788)
+  call void @finch.drop.S_ast_Type(ptr %a649)
+  call void @finch.drop.S_gen_StructDef(ptr %a573)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t828
 }
 
 define internal %S.gen.Ref @finch.gen.index(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -57554,134 +68072,8 @@ entry:
   %a2 = alloca %S.ast.Node, align 16
   %a3 = alloca i1, align 16
   %a14 = alloca %S.gen.Ref, align 16
-  %a18 = alloca %S.ast.Type, align 16
-  %a19 = alloca %S.ast.Type, align 16
-  %a21 = alloca %S.ast.Type, align 16
-  %a27 = alloca %S.ast.Type, align 16
-  %a28 = alloca %S.ast.Type, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca %S.ast.Type, align 16
-  %a134 = alloca %S.ast.Type, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca %S.ast.Type, align 16
-  %a172 = alloca %S.ast.Type, align 16
-  %a174 = alloca %S.ast.Type, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca %S.ast.Type, align 16
-  %a206 = alloca %S.ast.Type, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca %S.ast.Type, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca %S.ast.Type, align 16
-  %a247 = alloca %S.ast.Type, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca %S.ast.Type, align 16
-  %a354 = alloca %S.ast.Type, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca %S.ast.Type, align 16
-  %a372 = alloca %S.ast.Type, align 16
-  %a375 = alloca %S.gen.Val, align 16
-  %a389 = alloca %S.ast.Type, align 16
-  %a390 = alloca %S.ast.Type, align 16
-  %a396 = alloca %S.gen.Val, align 16
-  %a397 = alloca %S.gen.Val, align 16
+  %a20 = alloca i64, align 16
+  %a32 = alloca %S.gen.Ref, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -57690,523 +68082,847 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range6409, label %inrange6410
-range6409:
-  call void @finch_panic_index(ptr @.str.4227, i64 3501, i64 0, i64 %t7)
+  br i1 %t8, label %range6782, label %inrange6783
+range6782:
+  call void @finch_panic_index(ptr @.str.4398, i64 3773, i64 0, i64 %t7)
   unreachable
-inrange6410:
+inrange6783:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
   %t12 = load i1, ptr %a3
   %t13 = call %S.gen.Ref @finch.gen.ref(ptr %t4, %S.ast.Node %t11, i1 %t12)
   store %S.gen.Ref %t13, ptr %a14
-  %t15 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t16 = getelementptr inbounds %S.gen.Val, ptr %t15, i32 0, i32 1
-  %t17 = load %S.ast.Type, ptr %t16
-  store %S.ast.Type %t17, ptr %a18
-  call void @finch.copy.S_ast_Type(ptr %a19, ptr %a18)
-  %t20 = load %S.ast.Type, ptr %a19
+  %t15 = load ptr, ptr %a1
+  %t16 = icmp eq ptr %t15, null
+  br i1 %t16, label %panic6784, label %ok6785
+panic6784:
+  call void @finch_panic(ptr @.str.4399, i64 3774, ptr @.str.4400)
+  unreachable
+ok6785:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 11
+  %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
+  %t19 = load i64, ptr %t18
+  store i64 %t19, ptr %a20
+  %t21 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
+  %t22 = load i1, ptr %t21
+  %t23 = xor i1 %t22, true
+  br i1 %t23, label %then6786, label %endif6788
+then6786:
+  %t24 = load ptr, ptr %a1
+  %t25 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
+  %t26 = load %S.gen.Val, ptr %t25
+  call void @finch.gen.hold(ptr %t24, %S.gen.Val %t26)
+  br label %endif6788
+endif6788:
+  %t27 = load ptr, ptr %a1
+  %t28 = load %S.ast.Node, ptr %a2
+  %t29 = load %S.gen.Ref, ptr %a14
+  %t30 = load i1, ptr %a3
+  %t31 = call %S.gen.Ref @finch.gen.indexOf(ptr %t27, %S.ast.Node %t28, %S.gen.Ref %t29, i1 %t30)
+  store %S.gen.Ref %t31, ptr %a32
+  %t33 = load ptr, ptr %a1
+  %t34 = load i64, ptr %a20
+  call void @finch.gen.heldEnd(ptr %t33, i64 %t34)
+  %t35 = load %S.gen.Ref, ptr %a32
+  call void @finch.drop.S_gen_Ref(ptr %a14)
+  ret %S.gen.Ref %t35
+}
+
+define internal %S.gen.Ref @finch.gen.indexOf(ptr %p0, %S.ast.Node %p1, %S.gen.Ref %p2, i1 %p3) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.ast.Node, align 16
+  %a3 = alloca %S.gen.Ref, align 16
+  %a4 = alloca i1, align 16
+  %a8 = alloca %S.ast.Type, align 16
+  %a9 = alloca %S.ast.Type, align 16
+  %a11 = alloca %S.ast.Type, align 16
+  %a17 = alloca %S.ast.Type, align 16
+  %a18 = alloca %S.ast.Type, align 16
+  %a21 = alloca %S.ast.Type, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca %S.gen.Val, align 16
+  %a54 = alloca %S.ast.Type, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca %S.gen.Val, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca %S.ast.Type, align 16
+  %a140 = alloca %S.ast.Type, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca %S.ast.Type, align 16
+  %a180 = alloca %S.ast.Type, align 16
+  %a182 = alloca %S.ast.Type, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a220 = alloca %S.ast.Type, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca %S.ast.Type, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca %S.ast.Type, align 16
+  %a263 = alloca %S.ast.Type, align 16
+  %a266 = alloca %S.ast.Type, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca %S.ast.Type, align 16
+  %a386 = alloca %S.ast.Type, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca %S.ast.Type, align 16
+  %a405 = alloca %S.ast.Type, align 16
+  %a408 = alloca %S.gen.Val, align 16
+  %a422 = alloca %S.ast.Type, align 16
+  %a423 = alloca %S.ast.Type, align 16
+  %a428 = alloca %S.gen.Val, align 16
+  %a434 = alloca %S.gen.Val, align 16
+  %a435 = alloca %S.gen.Val, align 16
+  store ptr %p0, ptr %a1
+  store %S.ast.Node %p1, ptr %a2
+  store %S.gen.Ref %p2, ptr %a3
+  store i1 %p3, ptr %a4
+  %t5 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t6 = getelementptr inbounds %S.gen.Val, ptr %t5, i32 0, i32 1
+  %t7 = load %S.ast.Type, ptr %t6
+  store %S.ast.Type %t7, ptr %a8
+  call void @finch.copy.S_ast_Type(ptr %a9, ptr %a8)
+  %t10 = load %S.ast.Type, ptr %a9
+  store %S.ast.Type %t10, ptr %a11
+  %t12 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t13 = load i1, ptr %t12
+  br i1 %t13, label %then6789, label %endif6791
+then6789:
+  %t14 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t15 = getelementptr inbounds %S.gen.Place, ptr %t14, i32 0, i32 1
+  %t16 = load %S.ast.Type, ptr %t15
+  store %S.ast.Type %t16, ptr %a17
+  call void @finch.copy.S_ast_Type(ptr %a18, ptr %a17)
+  %t19 = load %S.ast.Type, ptr %a18
+  %t20 = load %S.ast.Type, ptr %a11
+  store %S.ast.Type %t19, ptr %a11
   store %S.ast.Type %t20, ptr %a21
-  %t22 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t23 = load i1, ptr %t22
-  br i1 %t23, label %then6411, label %endif6413
-then6411:
-  %t24 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t25 = getelementptr inbounds %S.gen.Place, ptr %t24, i32 0, i32 1
-  %t26 = load %S.ast.Type, ptr %t25
-  store %S.ast.Type %t26, ptr %a27
-  call void @finch.copy.S_ast_Type(ptr %a28, ptr %a27)
-  %t29 = load %S.ast.Type, ptr %a28
-  store %S.ast.Type %t29, ptr %a21
-  br label %endif6413
-endif6413:
-  %t30 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.4228, i64 3, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br i1 %t35, label %then6414, label %endif6416
-then6414:
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Node, ptr %a2
-  %t38 = load %S.gen.Ref, ptr %a14
-  %t39 = load %S.ast.Type, ptr %a21
-  %t40 = load i1, ptr %a3
-  %t41 = call %S.gen.Ref @finch.gen.mapIndex(ptr %t36, %S.ast.Node %t37, %S.gen.Ref %t38, %S.ast.Type %t39, i1 %t40)
-  ret %S.gen.Ref %t41
-endif6416:
-  %t42 = load ptr, ptr %a1
-  %t43 = load ptr, ptr %a1
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = extractvalue { ptr, i64, i64 } %t45, 1
-  %t47 = icmp uge i64 1, %t46
-  br i1 %t47, label %range6417, label %inrange6418
-range6417:
-  call void @finch_panic_index(ptr @.str.4229, i64 3509, i64 1, i64 %t46)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  br label %endif6791
+endif6791:
+  %t22 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.4401, i64 3, i64 0 }, ptr %a25
+  %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
+  %t27 = icmp ne i32 %t26, 0
+  br i1 %t27, label %then6792, label %endif6794
+then6792:
+  %t28 = load ptr, ptr %a1
+  %t29 = load %S.ast.Node, ptr %a2
+  %t30 = load %S.gen.Ref, ptr %a3
+  %t31 = load %S.ast.Type, ptr %a11
+  %t32 = load i1, ptr %a4
+  %t33 = call %S.gen.Ref @finch.gen.mapIndex(ptr %t28, %S.ast.Node %t29, %S.gen.Ref %t30, %S.ast.Type %t31, i1 %t32)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t33
+endif6794:
+  %t34 = load ptr, ptr %a1
+  %t35 = load ptr, ptr %a1
+  %t36 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t37 = load { ptr, i64, i64 }, ptr %t36
+  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
+  %t39 = icmp uge i64 1, %t38
+  br i1 %t39, label %range6795, label %inrange6796
+range6795:
+  call void @finch_panic_index(ptr @.str.4402, i64 3791, i64 1, i64 %t38)
   unreachable
-inrange6418:
-  %t48 = extractvalue { ptr, i64, i64 } %t45, 0
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 1
-  %t50 = load %S.ast.Node, ptr %t49
-  %t51 = call %S.gen.Val @finch.gen.expr(ptr %t43, %S.ast.Node %t50)
-  %t52 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4230, i64 3, i64 0 })
-  %t53 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  %t55 = extractvalue { ptr, i64, i64 } %t54, 1
-  %t56 = icmp uge i64 1, %t55
-  br i1 %t56, label %range6419, label %inrange6420
-range6419:
-  call void @finch_panic_index(ptr @.str.4231, i64 3509, i64 1, i64 %t55)
+inrange6796:
+  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 1
+  %t42 = load %S.ast.Node, ptr %t41
+  %t43 = call %S.gen.Val @finch.gen.expr(ptr %t35, %S.ast.Node %t42)
+  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4403, i64 3, i64 0 })
+  %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = icmp uge i64 1, %t47
+  br i1 %t48, label %range6797, label %inrange6798
+range6797:
+  call void @finch_panic_index(ptr @.str.4404, i64 3791, i64 1, i64 %t47)
   unreachable
-inrange6420:
-  %t57 = extractvalue { ptr, i64, i64 } %t54, 0
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %t57, i64 1
-  %t59 = load %S.ast.Node, ptr %t58
-  %t60 = call %S.gen.Val @finch.gen.coerce(ptr %t42, %S.gen.Val %t51, %S.ast.Type %t52, %S.ast.Node %t59, { ptr, i64, i64 } { ptr @.str.4232, i64 8, i64 0 })
-  %t61 = extractvalue %S.gen.Val %t60, 0
-  store { ptr, i64, i64 } %t61, ptr %a62
-  call void @finch_str_copy(ptr %a63, ptr %a62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t64, ptr %a65
-  %t66 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.4233, i64 5, i64 0 }, ptr %a69
-  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
-  %t71 = icmp ne i32 %t70, 0
-  br i1 %t71, label %then6421, label %endif6423
-then6421:
-  store { ptr, i64, i64 } { ptr @.str.4234, i64 0, i64 0 }, ptr %a72
-  %t73 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t74 = load i1, ptr %t73
-  br i1 %t74, label %then6424, label %else6425
-then6424:
-  %t75 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t76 = getelementptr inbounds %S.gen.Place, ptr %t75, i32 0, i32 0
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } %t77, ptr %a78
-  call void @finch_str_copy(ptr %a79, ptr %a78)
-  %t80 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t80, ptr %a72
-  br label %endif6426
-else6425:
-  %t81 = load ptr, ptr %a1
-  %t82 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t83 = load %S.gen.Val, ptr %t82
-  %t84 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t81, %S.gen.Val %t83)
-  store { ptr, i64, i64 } %t84, ptr %a72
-  br label %endif6426
-endif6426:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a65
-  %t87 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 4
-  %t88 = load i64, ptr %t87
-  call void @finch_str_from_int(ptr %a89, i64 %t88)
-  %t90 = load { ptr, i64, i64 }, ptr %a89
-  %t91 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.boundsCheck(ptr %t85, { ptr, i64, i64 } %t86, { ptr, i64, i64 } %t90, %S.ast.Node %t91)
+inrange6798:
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 1
+  %t51 = load %S.ast.Node, ptr %t50
+  %t52 = call %S.gen.Val @finch.gen.coerce(ptr %t34, %S.gen.Val %t43, %S.ast.Type %t44, %S.ast.Node %t51, { ptr, i64, i64 } { ptr @.str.4405, i64 8, i64 0 })
+  store %S.gen.Val %t43, ptr %a53
+  call void @finch.drop.S_gen_Val(ptr %a53)
+  store %S.ast.Type %t44, ptr %a54
+  call void @finch.drop.S_ast_Type(ptr %a54)
+  %t55 = extractvalue %S.gen.Val %t52, 0
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_copy(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  store %S.gen.Val %t52, ptr %a59
+  call void @finch.drop.S_gen_Val(ptr %a59)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.4406, i64 5, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp ne i32 %t65, 0
+  br i1 %t66, label %then6799, label %endif6801
+then6799:
+  store { ptr, i64, i64 } { ptr @.str.4407, i64 0, i64 0 }, ptr %a67
+  %t68 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t69 = load i1, ptr %t68
+  br i1 %t69, label %then6802, label %else6803
+then6802:
+  %t70 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t71 = getelementptr inbounds %S.gen.Place, ptr %t70, i32 0, i32 0
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  store { ptr, i64, i64 } %t72, ptr %a73
+  call void @finch_str_copy(ptr %a74, ptr %a73)
+  %t75 = load { ptr, i64, i64 }, ptr %a74
+  %t76 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t75, ptr %a67
+  store { ptr, i64, i64 } %t76, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  br label %endif6804
+else6803:
+  %t78 = load ptr, ptr %a1
+  %t79 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t80 = load %S.gen.Val, ptr %t79
+  %t81 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t78, %S.gen.Val %t80)
+  %t82 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t81, ptr %a67
+  store { ptr, i64, i64 } %t82, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  br label %endif6804
+endif6804:
+  %t84 = load ptr, ptr %a1
+  %t85 = load { ptr, i64, i64 }, ptr %a60
+  %t86 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 4
+  %t87 = load i64, ptr %t86
+  call void @finch_str_from_int(ptr %a88, i64 %t87)
+  %t89 = load { ptr, i64, i64 }, ptr %a88
+  %t90 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.boundsCheck(ptr %t84, { ptr, i64, i64 } %t85, { ptr, i64, i64 } %t89, %S.ast.Node %t90)
+  store { ptr, i64, i64 } %t89, ptr %a91
+  call void @finch_str_drop(ptr %a91)
   %t92 = load ptr, ptr %a1
   %t93 = load ptr, ptr %a1
-  %t94 = load %S.ast.Type, ptr %a21
+  %t94 = load %S.ast.Type, ptr %a11
   %t95 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t93, %S.ast.Type %t94)
-  store { ptr, i64, i64 } { ptr @.str.4235, i64 23, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.4408, i64 23, i64 0 }, ptr %a97
   store { ptr, i64, i64 } %t95, ptr %a98
   call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.4236, i64 6, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = load { ptr, i64, i64 }, ptr %a72
-  store { ptr, i64, i64 } %t103, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4237, i64 13, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t112, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = call { ptr, i64, i64 } @finch.gen.op(ptr %t92, { ptr, i64, i64 } %t117)
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t121 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t121, ptr %a122
-  call void @finch_str_copy(ptr %a123, ptr %a122)
-  %t124 = load { ptr, i64, i64 }, ptr %a123
-  %t125 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t124, 0
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  %t128 = extractvalue { ptr, i64, i64 } %t127, 1
-  %t129 = icmp uge i64 0, %t128
-  br i1 %t129, label %range6427, label %inrange6428
-range6427:
-  call void @finch_panic_index(ptr @.str.4238, i64 3519, i64 0, i64 %t128)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.4409, i64 6, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  %t106 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t105, ptr %a108
+  store { ptr, i64, i64 } %t106, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t105, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t111, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.4410, i64 13, i64 0 }, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  store { ptr, i64, i64 } %t111, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a112
+  %t117 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t116, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t116, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  %t123 = call { ptr, i64, i64 } @finch.gen.op(ptr %t92, { ptr, i64, i64 } %t122)
+  store { ptr, i64, i64 } %t122, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  store { ptr, i64, i64 } %t123, ptr %a125
+  %t126 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t127 = load { ptr, i64, i64 }, ptr %a125
+  store { ptr, i64, i64 } %t127, ptr %a128
+  call void @finch_str_copy(ptr %a129, ptr %a128)
+  %t130 = load { ptr, i64, i64 }, ptr %a129
+  %t131 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t130, 0
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  %t134 = extractvalue { ptr, i64, i64 } %t133, 1
+  %t135 = icmp uge i64 0, %t134
+  br i1 %t135, label %range6805, label %inrange6806
+range6805:
+  call void @finch_panic_index(ptr @.str.4411, i64 3801, i64 0, i64 %t134)
   unreachable
-inrange6428:
-  %t130 = extractvalue { ptr, i64, i64 } %t127, 0
-  %t131 = getelementptr inbounds %S.ast.Type, ptr %t130, i64 0
-  %t132 = load %S.ast.Type, ptr %t131
-  store %S.ast.Type %t132, ptr %a133
-  call void @finch.copy.S_ast_Type(ptr %a134, ptr %a133)
-  %t135 = load %S.ast.Type, ptr %a134
-  %t136 = insertvalue %S.gen.Place %t125, %S.ast.Type %t135, 1
-  %t137 = insertvalue %S.gen.Ref %t120, %S.gen.Place %t136, 1
-  ret %S.gen.Ref %t137
-endif6423:
-  %t138 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t139 = load { ptr, i64, i64 }, ptr %t138
-  store { ptr, i64, i64 } %t139, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.4239, i64 3, i64 0 }, ptr %a141
-  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
-  %t143 = icmp ne i32 %t142, 0
-  br i1 %t143, label %then6429, label %endif6431
-then6429:
-  %t144 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
-  %t146 = load i64, ptr %t145
-  %t147 = icmp eq i64 %t146, 0
-  br i1 %t147, label %then6432, label %endif6434
-then6432:
-  %t148 = load ptr, ptr %a1
-  %t149 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t148, %S.ast.Node %t149, { ptr, i64, i64 } { ptr @.str.4240, i64 57, i64 0 })
-  br label %endif6434
-endif6434:
-  %t150 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t151 = getelementptr inbounds %S.gen.Val, ptr %t150, i32 0, i32 0
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t152, ptr %a153
-  call void @finch_str_copy(ptr %a154, ptr %a153)
-  %t155 = load { ptr, i64, i64 }, ptr %a154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  %t157 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t158 = load i1, ptr %t157
-  br i1 %t158, label %then6435, label %endif6437
-then6435:
-  %t159 = load ptr, ptr %a1
-  %t160 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t161 = getelementptr inbounds %S.gen.Place, ptr %t160, i32 0, i32 0
-  %t162 = load { ptr, i64, i64 }, ptr %t161
-  %t163 = call { ptr, i64, i64 } @finch.gen.load(ptr %t159, { ptr, i64, i64 } { ptr @.str.4241, i64 3, i64 0 }, { ptr, i64, i64 } %t162)
-  store { ptr, i64, i64 } %t163, ptr %a156
-  br label %endif6437
-endif6437:
-  %t164 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t165 = load { ptr, i64, i64 }, ptr %t164
-  %t166 = extractvalue { ptr, i64, i64 } %t165, 1
-  %t167 = icmp uge i64 0, %t166
-  br i1 %t167, label %range6438, label %inrange6439
-range6438:
-  call void @finch_panic_index(ptr @.str.4242, i64 3529, i64 0, i64 %t166)
+inrange6806:
+  %t136 = extractvalue { ptr, i64, i64 } %t133, 0
+  %t137 = getelementptr inbounds %S.ast.Type, ptr %t136, i64 0
+  %t138 = load %S.ast.Type, ptr %t137
+  store %S.ast.Type %t138, ptr %a139
+  call void @finch.copy.S_ast_Type(ptr %a140, ptr %a139)
+  %t141 = load %S.ast.Type, ptr %a140
+  %t142 = insertvalue %S.gen.Place %t131, %S.ast.Type %t141, 1
+  %t143 = insertvalue %S.gen.Ref %t126, %S.gen.Place %t142, 1
+  call void @finch_str_drop(ptr %a125)
+  call void @finch_str_drop(ptr %a67)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t143
+endif6801:
+  %t144 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  store { ptr, i64, i64 } %t145, ptr %a146
+  store { ptr, i64, i64 } { ptr @.str.4412, i64 3, i64 0 }, ptr %a147
+  %t148 = call i32 @finch_str_eq(ptr %a146, ptr %a147)
+  %t149 = icmp ne i32 %t148, 0
+  br i1 %t149, label %then6807, label %endif6809
+then6807:
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i32 0, i32 1
+  %t152 = load i64, ptr %t151
+  %t153 = icmp eq i64 %t152, 0
+  br i1 %t153, label %then6810, label %endif6812
+then6810:
+  %t154 = load ptr, ptr %a1
+  %t155 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t154, %S.ast.Node %t155, { ptr, i64, i64 } { ptr @.str.4413, i64 57, i64 0 })
+  br label %endif6812
+endif6812:
+  %t156 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t157 = getelementptr inbounds %S.gen.Val, ptr %t156, i32 0, i32 0
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  store { ptr, i64, i64 } %t158, ptr %a159
+  call void @finch_str_copy(ptr %a160, ptr %a159)
+  %t161 = load { ptr, i64, i64 }, ptr %a160
+  store { ptr, i64, i64 } %t161, ptr %a162
+  %t163 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t164 = load i1, ptr %t163
+  br i1 %t164, label %then6813, label %endif6815
+then6813:
+  %t165 = load ptr, ptr %a1
+  %t166 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t167 = getelementptr inbounds %S.gen.Place, ptr %t166, i32 0, i32 0
+  %t168 = load { ptr, i64, i64 }, ptr %t167
+  %t169 = call { ptr, i64, i64 } @finch.gen.load(ptr %t165, { ptr, i64, i64 } { ptr @.str.4414, i64 3, i64 0 }, { ptr, i64, i64 } %t168)
+  %t170 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } %t169, ptr %a162
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  br label %endif6815
+endif6815:
+  %t172 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t173 = load { ptr, i64, i64 }, ptr %t172
+  %t174 = extractvalue { ptr, i64, i64 } %t173, 1
+  %t175 = icmp uge i64 0, %t174
+  br i1 %t175, label %range6816, label %inrange6817
+range6816:
+  call void @finch_panic_index(ptr @.str.4415, i64 3811, i64 0, i64 %t174)
   unreachable
-inrange6439:
-  %t168 = extractvalue { ptr, i64, i64 } %t165, 0
-  %t169 = getelementptr inbounds %S.ast.Type, ptr %t168, i64 0
-  %t170 = load %S.ast.Type, ptr %t169
-  store %S.ast.Type %t170, ptr %a171
-  call void @finch.copy.S_ast_Type(ptr %a172, ptr %a171)
-  %t173 = load %S.ast.Type, ptr %a172
-  store %S.ast.Type %t173, ptr %a174
-  %t175 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t176 = load ptr, ptr %a1
-  %t177 = load ptr, ptr %a1
-  %t178 = load %S.ast.Type, ptr %a174
-  %t179 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t177, %S.ast.Type %t178)
-  store { ptr, i64, i64 } { ptr @.str.4243, i64 23, i64 0 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.4244, i64 6, i64 0 }, ptr %a186
-  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  %t188 = load { ptr, i64, i64 }, ptr %a156
+inrange6817:
+  %t176 = extractvalue { ptr, i64, i64 } %t173, 0
+  %t177 = getelementptr inbounds %S.ast.Type, ptr %t176, i64 0
+  %t178 = load %S.ast.Type, ptr %t177
+  store %S.ast.Type %t178, ptr %a179
+  call void @finch.copy.S_ast_Type(ptr %a180, ptr %a179)
+  %t181 = load %S.ast.Type, ptr %a180
+  store %S.ast.Type %t181, ptr %a182
+  %t183 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t184 = load ptr, ptr %a1
+  %t185 = load ptr, ptr %a1
+  %t186 = load %S.ast.Type, ptr %a182
+  %t187 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t185, %S.ast.Type %t186)
+  store { ptr, i64, i64 } { ptr @.str.4416, i64 23, i64 0 }, ptr %a189
   store { ptr, i64, i64 } %t187, ptr %a190
-  store { ptr, i64, i64 } %t188, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
   store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.4245, i64 6, i64 0 }, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4417, i64 6, i64 0 }, ptr %a195
   call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t196, ptr %a199
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load { ptr, i64, i64 }, ptr %a193
+  %t198 = load { ptr, i64, i64 }, ptr %a162
   store { ptr, i64, i64 } %t197, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  %t202 = call { ptr, i64, i64 } @finch.gen.op(ptr %t176, { ptr, i64, i64 } %t201)
-  %t203 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t202, 0
-  %t204 = load %S.ast.Type, ptr %a174
-  store %S.ast.Type %t204, ptr %a205
-  call void @finch.copy.S_ast_Type(ptr %a206, ptr %a205)
-  %t207 = load %S.ast.Type, ptr %a206
-  %t208 = insertvalue %S.gen.Place %t203, %S.ast.Type %t207, 1
-  %t209 = insertvalue %S.gen.Ref %t175, %S.gen.Place %t208, 1
-  ret %S.gen.Ref %t209
-endif6431:
-  %t210 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t211 = load { ptr, i64, i64 }, ptr %t210
-  store { ptr, i64, i64 } %t211, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.4246, i64 5, i64 0 }, ptr %a213
-  %t214 = call i32 @finch_str_eq(ptr %a212, ptr %a213)
-  %t215 = icmp eq i32 %t214, 0
-  br label %logic.from6440
-logic.from6440:
-  br i1 %t215, label %logic.rhs6441, label %logic.end6442
-logic.rhs6441:
-  %t216 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  store { ptr, i64, i64 } %t217, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.4247, i64 3, i64 0 }, ptr %a219
-  %t220 = call i32 @finch_str_eq(ptr %a218, ptr %a219)
-  %t221 = icmp eq i32 %t220, 0
-  br label %logic.rend6443
-logic.rend6443:
-  br label %logic.end6442
-logic.end6442:
-  %t222 = phi i1 [ false, %logic.from6440 ], [ %t221, %logic.rend6443 ]
-  br i1 %t222, label %then6444, label %endif6446
-then6444:
-  %t223 = load ptr, ptr %a1
-  %t224 = load %S.ast.Node, ptr %a2
-  %t225 = load %S.ast.Type, ptr %a21
-  %t226 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t225)
-  store { ptr, i64, i64 } { ptr @.str.4248, i64 46, i64 0 }, ptr %a228
-  store { ptr, i64, i64 } %t226, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  call void @finch.gen.fail(ptr %t223, %S.ast.Node %t224, { ptr, i64, i64 } %t230)
-  br label %endif6446
-endif6446:
-  %t231 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4249, i64 4, i64 0 })
-  store %S.ast.Type %t231, ptr %a232
-  %t233 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t234 = load { ptr, i64, i64 }, ptr %t233
-  store { ptr, i64, i64 } %t234, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.4250, i64 5, i64 0 }, ptr %a236
-  %t237 = call i32 @finch_str_eq(ptr %a235, ptr %a236)
-  %t238 = icmp ne i32 %t237, 0
-  br i1 %t238, label %then6447, label %endif6449
-then6447:
-  %t239 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  %t241 = extractvalue { ptr, i64, i64 } %t240, 1
-  %t242 = icmp uge i64 0, %t241
-  br i1 %t242, label %range6450, label %inrange6451
-range6450:
-  call void @finch_panic_index(ptr @.str.4251, i64 3537, i64 0, i64 %t241)
-  unreachable
-inrange6451:
-  %t243 = extractvalue { ptr, i64, i64 } %t240, 0
-  %t244 = getelementptr inbounds %S.ast.Type, ptr %t243, i64 0
-  %t245 = load %S.ast.Type, ptr %t244
-  store %S.ast.Type %t245, ptr %a246
-  call void @finch.copy.S_ast_Type(ptr %a247, ptr %a246)
-  %t248 = load %S.ast.Type, ptr %a247
-  store %S.ast.Type %t248, ptr %a232
-  br label %endif6449
-endif6449:
-  %t249 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
+  store { ptr, i64, i64 } %t198, ptr %a201
+  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
+  store { ptr, i64, i64 } %t197, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } %t203, ptr %a205
+  store { ptr, i64, i64 } { ptr @.str.4418, i64 6, i64 0 }, ptr %a206
+  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
+  store { ptr, i64, i64 } %t203, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a204
+  %t209 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t208, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  store { ptr, i64, i64 } %t208, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  %t214 = load { ptr, i64, i64 }, ptr %a210
+  %t215 = call { ptr, i64, i64 } @finch.gen.op(ptr %t184, { ptr, i64, i64 } %t214)
+  store { ptr, i64, i64 } %t214, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t215, 0
+  %t218 = load %S.ast.Type, ptr %a182
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.copy.S_ast_Type(ptr %a220, ptr %a219)
+  %t221 = load %S.ast.Type, ptr %a220
+  %t222 = insertvalue %S.gen.Place %t217, %S.ast.Type %t221, 1
+  %t223 = insertvalue %S.gen.Ref %t183, %S.gen.Place %t222, 1
+  call void @finch.drop.S_ast_Type(ptr %a182)
+  call void @finch_str_drop(ptr %a162)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t223
+endif6809:
+  %t224 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t225 = load { ptr, i64, i64 }, ptr %t224
+  store { ptr, i64, i64 } %t225, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.4419, i64 5, i64 0 }, ptr %a227
+  %t228 = call i32 @finch_str_eq(ptr %a226, ptr %a227)
+  %t229 = icmp eq i32 %t228, 0
+  br label %logic.from6818
+logic.from6818:
+  br i1 %t229, label %logic.rhs6819, label %logic.end6820
+logic.rhs6819:
+  %t230 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t231 = load { ptr, i64, i64 }, ptr %t230
+  store { ptr, i64, i64 } %t231, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.4420, i64 3, i64 0 }, ptr %a233
+  %t234 = call i32 @finch_str_eq(ptr %a232, ptr %a233)
+  %t235 = icmp eq i32 %t234, 0
+  br label %logic.rend6821
+logic.rend6821:
+  br label %logic.end6820
+logic.end6820:
+  %t236 = phi i1 [ false, %logic.from6818 ], [ %t235, %logic.rend6821 ]
+  br i1 %t236, label %then6822, label %endif6824
+then6822:
+  %t237 = load ptr, ptr %a1
+  %t238 = load %S.ast.Node, ptr %a2
+  %t239 = load %S.ast.Type, ptr %a11
+  %t240 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t239)
+  store { ptr, i64, i64 } { ptr @.str.4421, i64 46, i64 0 }, ptr %a242
+  store { ptr, i64, i64 } %t240, ptr %a243
+  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
+  store { ptr, i64, i64 } %t240, ptr %a244
+  call void @finch_str_drop(ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a241
+  call void @finch.gen.fail(ptr %t237, %S.ast.Node %t238, { ptr, i64, i64 } %t245)
+  store { ptr, i64, i64 } %t245, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  br label %endif6824
+endif6824:
+  %t247 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4422, i64 4, i64 0 })
+  store %S.ast.Type %t247, ptr %a248
+  %t249 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
   %t250 = load { ptr, i64, i64 }, ptr %t249
   store { ptr, i64, i64 } %t250, ptr %a251
-  store { ptr, i64, i64 } { ptr @.str.4252, i64 3, i64 0 }, ptr %a252
+  store { ptr, i64, i64 } { ptr @.str.4423, i64 5, i64 0 }, ptr %a252
   %t253 = call i32 @finch_str_eq(ptr %a251, ptr %a252)
   %t254 = icmp ne i32 %t253, 0
-  br label %logic.from6452
-logic.from6452:
-  br i1 %t254, label %logic.rhs6453, label %logic.end6454
-logic.rhs6453:
-  %t255 = load i1, ptr %a3
-  br label %logic.rend6455
-logic.rend6455:
-  br label %logic.end6454
-logic.end6454:
-  %t256 = phi i1 [ false, %logic.from6452 ], [ %t255, %logic.rend6455 ]
-  br i1 %t256, label %then6456, label %endif6458
-then6456:
-  %t257 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t258 = load i1, ptr %t257
-  %t259 = xor i1 %t258, true
-  br i1 %t259, label %then6459, label %endif6461
-then6459:
-  %t260 = load ptr, ptr %a1
-  %t261 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t260, %S.ast.Node %t261, { ptr, i64, i64 } { ptr @.str.4253, i64 44, i64 0 })
-  br label %endif6461
-endif6461:
-  %t262 = load ptr, ptr %a1
-  %t263 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t264 = getelementptr inbounds %S.gen.Place, ptr %t263, i32 0, i32 0
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  store { ptr, i64, i64 } { ptr @.str.4254, i64 29, i64 0 }, ptr %a267
-  store { ptr, i64, i64 } %t265, ptr %a268
-  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
-  %t269 = load { ptr, i64, i64 }, ptr %a266
-  store { ptr, i64, i64 } %t269, ptr %a271
-  store { ptr, i64, i64 } { ptr @.str.4255, i64 1, i64 0 }, ptr %a272
-  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
-  %t273 = load { ptr, i64, i64 }, ptr %a270
-  call void @finch.gen.emit(ptr %t262, { ptr, i64, i64 } %t273)
-  br label %endif6458
-endif6458:
-  %t274 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t275 = getelementptr inbounds %S.gen.Val, ptr %t274, i32 0, i32 0
-  %t276 = load { ptr, i64, i64 }, ptr %t275
-  store { ptr, i64, i64 } %t276, ptr %a277
-  call void @finch_str_copy(ptr %a278, ptr %a277)
-  %t279 = load { ptr, i64, i64 }, ptr %a278
-  store { ptr, i64, i64 } %t279, ptr %a280
-  %t281 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t282 = load i1, ptr %t281
-  br i1 %t282, label %then6462, label %endif6464
-then6462:
-  %t283 = load ptr, ptr %a1
-  %t284 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t285 = getelementptr inbounds %S.gen.Place, ptr %t284, i32 0, i32 0
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  %t287 = call { ptr, i64, i64 } @finch.gen.load(ptr %t283, { ptr, i64, i64 } { ptr @.str.4256, i64 17, i64 0 }, { ptr, i64, i64 } %t286)
-  store { ptr, i64, i64 } %t287, ptr %a280
-  br label %endif6464
-endif6464:
-  %t288 = load ptr, ptr %a1
-  %t289 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } { ptr @.str.4257, i64 31, i64 0 }, ptr %a291
-  store { ptr, i64, i64 } %t289, ptr %a292
-  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
-  %t293 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t293, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.4258, i64 3, i64 0 }, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  %t298 = call { ptr, i64, i64 } @finch.gen.op(ptr %t288, { ptr, i64, i64 } %t297)
-  store { ptr, i64, i64 } %t298, ptr %a299
-  %t300 = load ptr, ptr %a1
-  %t301 = load { ptr, i64, i64 }, ptr %a65
-  %t302 = load { ptr, i64, i64 }, ptr %a299
-  %t303 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.boundsCheck(ptr %t300, { ptr, i64, i64 } %t301, { ptr, i64, i64 } %t302, %S.ast.Node %t303)
-  %t304 = load ptr, ptr %a1
-  %t305 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } { ptr @.str.4259, i64 31, i64 0 }, ptr %a307
-  store { ptr, i64, i64 } %t305, ptr %a308
-  call void @finch_str_concat(ptr %a306, ptr %a307, ptr %a308)
-  %t309 = load { ptr, i64, i64 }, ptr %a306
-  store { ptr, i64, i64 } %t309, ptr %a311
-  store { ptr, i64, i64 } { ptr @.str.4260, i64 3, i64 0 }, ptr %a312
-  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
-  %t313 = load { ptr, i64, i64 }, ptr %a310
-  %t314 = call { ptr, i64, i64 } @finch.gen.op(ptr %t304, { ptr, i64, i64 } %t313)
-  store { ptr, i64, i64 } %t314, ptr %a315
-  %t316 = load ptr, ptr %a1
-  %t317 = load ptr, ptr %a1
-  %t318 = load %S.ast.Type, ptr %a232
-  %t319 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t317, %S.ast.Type %t318)
-  store { ptr, i64, i64 } { ptr @.str.4261, i64 23, i64 0 }, ptr %a321
-  store { ptr, i64, i64 } %t319, ptr %a322
-  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
-  %t323 = load { ptr, i64, i64 }, ptr %a320
-  store { ptr, i64, i64 } %t323, ptr %a325
-  store { ptr, i64, i64 } { ptr @.str.4262, i64 6, i64 0 }, ptr %a326
-  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
-  %t327 = load { ptr, i64, i64 }, ptr %a324
-  %t328 = load { ptr, i64, i64 }, ptr %a315
-  store { ptr, i64, i64 } %t327, ptr %a330
-  store { ptr, i64, i64 } %t328, ptr %a331
-  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
-  %t332 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t332, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.4263, i64 6, i64 0 }, ptr %a335
-  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
-  %t336 = load { ptr, i64, i64 }, ptr %a333
-  %t337 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t336, ptr %a339
-  store { ptr, i64, i64 } %t337, ptr %a340
-  call void @finch_str_concat(ptr %a338, ptr %a339, ptr %a340)
-  %t341 = load { ptr, i64, i64 }, ptr %a338
-  %t342 = call { ptr, i64, i64 } @finch.gen.op(ptr %t316, { ptr, i64, i64 } %t341)
-  store { ptr, i64, i64 } %t342, ptr %a343
-  %t344 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t345 = load i1, ptr %t344
-  br i1 %t345, label %then6465, label %endif6467
-then6465:
-  %t346 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t347 = load { ptr, i64, i64 }, ptr %a343
-  store { ptr, i64, i64 } %t347, ptr %a348
-  call void @finch_str_copy(ptr %a349, ptr %a348)
-  %t350 = load { ptr, i64, i64 }, ptr %a349
-  %t351 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t350, 0
-  %t352 = load %S.ast.Type, ptr %a232
-  store %S.ast.Type %t352, ptr %a353
-  call void @finch.copy.S_ast_Type(ptr %a354, ptr %a353)
-  %t355 = load %S.ast.Type, ptr %a354
-  %t356 = insertvalue %S.gen.Place %t351, %S.ast.Type %t355, 1
-  %t357 = insertvalue %S.gen.Ref %t346, %S.gen.Place %t356, 1
-  ret %S.gen.Ref %t357
-endif6467:
-  %t358 = load ptr, ptr %a1
-  %t359 = load ptr, ptr %a1
-  %t360 = load %S.ast.Type, ptr %a232
-  %t361 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t359, %S.ast.Type %t360)
-  %t362 = load { ptr, i64, i64 }, ptr %a343
-  %t363 = call { ptr, i64, i64 } @finch.gen.load(ptr %t358, { ptr, i64, i64 } %t361, { ptr, i64, i64 } %t362)
-  store { ptr, i64, i64 } %t363, ptr %a364
-  %t365 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t365, ptr %a366
-  call void @finch_str_copy(ptr %a367, ptr %a366)
-  %t368 = load { ptr, i64, i64 }, ptr %a367
-  %t369 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t368, 0
-  %t370 = load %S.ast.Type, ptr %a232
-  store %S.ast.Type %t370, ptr %a371
-  call void @finch.copy.S_ast_Type(ptr %a372, ptr %a371)
-  %t373 = load %S.ast.Type, ptr %a372
-  %t374 = insertvalue %S.gen.Val %t369, %S.ast.Type %t373, 1
-  store %S.gen.Val %t374, ptr %a375
-  %t376 = load ptr, ptr %a1
-  %t377 = load %S.ast.Type, ptr %a232
-  %t378 = call i1 @finch.gen.owning(ptr %t376, %S.ast.Type %t377)
-  br label %logic.from6468
-logic.from6468:
-  br i1 %t378, label %logic.rhs6469, label %logic.end6470
-logic.rhs6469:
-  %t379 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t380 = getelementptr inbounds %S.gen.Val, ptr %t379, i32 0, i32 2
-  %t381 = load i1, ptr %t380
-  br label %logic.rend6471
-logic.rend6471:
-  br label %logic.end6470
-logic.end6470:
-  %t382 = phi i1 [ false, %logic.from6468 ], [ %t381, %logic.rend6471 ]
-  br i1 %t382, label %then6472, label %endif6474
-then6472:
-  %t383 = load ptr, ptr %a1
-  %t384 = load { ptr, i64, i64 }, ptr %a364
-  %t385 = load %S.ast.Type, ptr %a232
-  %t386 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t383, { ptr, i64, i64 } %t384, %S.ast.Type %t385)
-  %t387 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t386, 0
-  %t388 = load %S.ast.Type, ptr %a232
-  store %S.ast.Type %t388, ptr %a389
-  call void @finch.copy.S_ast_Type(ptr %a390, ptr %a389)
-  %t391 = load %S.ast.Type, ptr %a390
-  %t392 = insertvalue %S.gen.Val %t387, %S.ast.Type %t391, 1
-  %t393 = insertvalue %S.gen.Val %t392, i1 true, 2
-  store %S.gen.Val %t393, ptr %a375
-  br label %endif6474
-endif6474:
-  %t394 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t395 = load %S.gen.Val, ptr %a375
-  store %S.gen.Val %t395, ptr %a396
-  call void @finch.copy.S_gen_Val(ptr %a397, ptr %a396)
-  %t398 = load %S.gen.Val, ptr %a397
-  %t399 = insertvalue %S.gen.Ref %t394, %S.gen.Val %t398, 2
-  ret %S.gen.Ref %t399
+  br i1 %t254, label %then6825, label %endif6827
+then6825:
+  %t255 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t256 = load { ptr, i64, i64 }, ptr %t255
+  %t257 = extractvalue { ptr, i64, i64 } %t256, 1
+  %t258 = icmp uge i64 0, %t257
+  br i1 %t258, label %range6828, label %inrange6829
+range6828:
+  call void @finch_panic_index(ptr @.str.4424, i64 3819, i64 0, i64 %t257)
+  unreachable
+inrange6829:
+  %t259 = extractvalue { ptr, i64, i64 } %t256, 0
+  %t260 = getelementptr inbounds %S.ast.Type, ptr %t259, i64 0
+  %t261 = load %S.ast.Type, ptr %t260
+  store %S.ast.Type %t261, ptr %a262
+  call void @finch.copy.S_ast_Type(ptr %a263, ptr %a262)
+  %t264 = load %S.ast.Type, ptr %a263
+  %t265 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t264, ptr %a248
+  store %S.ast.Type %t265, ptr %a266
+  call void @finch.drop.S_ast_Type(ptr %a266)
+  br label %endif6827
+endif6827:
+  %t267 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t268 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t268, ptr %a269
+  store { ptr, i64, i64 } { ptr @.str.4425, i64 3, i64 0 }, ptr %a270
+  %t271 = call i32 @finch_str_eq(ptr %a269, ptr %a270)
+  %t272 = icmp ne i32 %t271, 0
+  br label %logic.from6830
+logic.from6830:
+  br i1 %t272, label %logic.rhs6831, label %logic.end6832
+logic.rhs6831:
+  %t273 = load i1, ptr %a4
+  br label %logic.rend6833
+logic.rend6833:
+  br label %logic.end6832
+logic.end6832:
+  %t274 = phi i1 [ false, %logic.from6830 ], [ %t273, %logic.rend6833 ]
+  br i1 %t274, label %then6834, label %endif6836
+then6834:
+  %t275 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t276 = load i1, ptr %t275
+  %t277 = xor i1 %t276, true
+  br i1 %t277, label %then6837, label %endif6839
+then6837:
+  %t278 = load ptr, ptr %a1
+  %t279 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t278, %S.ast.Node %t279, { ptr, i64, i64 } { ptr @.str.4426, i64 44, i64 0 })
+  br label %endif6839
+endif6839:
+  %t280 = load ptr, ptr %a1
+  %t281 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t282 = getelementptr inbounds %S.gen.Place, ptr %t281, i32 0, i32 0
+  %t283 = load { ptr, i64, i64 }, ptr %t282
+  store { ptr, i64, i64 } { ptr @.str.4427, i64 29, i64 0 }, ptr %a285
+  store { ptr, i64, i64 } %t283, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  %t287 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t287, ptr %a289
+  store { ptr, i64, i64 } { ptr @.str.4428, i64 1, i64 0 }, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  store { ptr, i64, i64 } %t287, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  %t292 = load { ptr, i64, i64 }, ptr %a288
+  call void @finch.gen.emit(ptr %t280, { ptr, i64, i64 } %t292)
+  store { ptr, i64, i64 } %t292, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  br label %endif6836
+endif6836:
+  %t294 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t295 = getelementptr inbounds %S.gen.Val, ptr %t294, i32 0, i32 0
+  %t296 = load { ptr, i64, i64 }, ptr %t295
+  store { ptr, i64, i64 } %t296, ptr %a297
+  call void @finch_str_copy(ptr %a298, ptr %a297)
+  %t299 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t299, ptr %a300
+  %t301 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t302 = load i1, ptr %t301
+  br i1 %t302, label %then6840, label %endif6842
+then6840:
+  %t303 = load ptr, ptr %a1
+  %t304 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t305 = getelementptr inbounds %S.gen.Place, ptr %t304, i32 0, i32 0
+  %t306 = load { ptr, i64, i64 }, ptr %t305
+  %t307 = call { ptr, i64, i64 } @finch.gen.load(ptr %t303, { ptr, i64, i64 } { ptr @.str.4429, i64 17, i64 0 }, { ptr, i64, i64 } %t306)
+  %t308 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } %t307, ptr %a300
+  store { ptr, i64, i64 } %t308, ptr %a309
+  call void @finch_str_drop(ptr %a309)
+  br label %endif6842
+endif6842:
+  %t310 = load ptr, ptr %a1
+  %t311 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.4430, i64 31, i64 0 }, ptr %a313
+  store { ptr, i64, i64 } %t311, ptr %a314
+  call void @finch_str_concat(ptr %a312, ptr %a313, ptr %a314)
+  %t315 = load { ptr, i64, i64 }, ptr %a312
+  store { ptr, i64, i64 } %t315, ptr %a317
+  store { ptr, i64, i64 } { ptr @.str.4431, i64 3, i64 0 }, ptr %a318
+  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
+  store { ptr, i64, i64 } %t315, ptr %a319
+  call void @finch_str_drop(ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a316
+  %t321 = call { ptr, i64, i64 } @finch.gen.op(ptr %t310, { ptr, i64, i64 } %t320)
+  store { ptr, i64, i64 } %t320, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  store { ptr, i64, i64 } %t321, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = load { ptr, i64, i64 }, ptr %a60
+  %t326 = load { ptr, i64, i64 }, ptr %a323
+  %t327 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.boundsCheck(ptr %t324, { ptr, i64, i64 } %t325, { ptr, i64, i64 } %t326, %S.ast.Node %t327)
+  %t328 = load ptr, ptr %a1
+  %t329 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.4432, i64 31, i64 0 }, ptr %a331
+  store { ptr, i64, i64 } %t329, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  %t333 = load { ptr, i64, i64 }, ptr %a330
+  store { ptr, i64, i64 } %t333, ptr %a335
+  store { ptr, i64, i64 } { ptr @.str.4433, i64 3, i64 0 }, ptr %a336
+  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
+  store { ptr, i64, i64 } %t333, ptr %a337
+  call void @finch_str_drop(ptr %a337)
+  %t338 = load { ptr, i64, i64 }, ptr %a334
+  %t339 = call { ptr, i64, i64 } @finch.gen.op(ptr %t328, { ptr, i64, i64 } %t338)
+  store { ptr, i64, i64 } %t338, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  store { ptr, i64, i64 } %t339, ptr %a341
+  %t342 = load ptr, ptr %a1
+  %t343 = load ptr, ptr %a1
+  %t344 = load %S.ast.Type, ptr %a248
+  %t345 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t343, %S.ast.Type %t344)
+  store { ptr, i64, i64 } { ptr @.str.4434, i64 23, i64 0 }, ptr %a347
+  store { ptr, i64, i64 } %t345, ptr %a348
+  call void @finch_str_concat(ptr %a346, ptr %a347, ptr %a348)
+  store { ptr, i64, i64 } %t345, ptr %a349
+  call void @finch_str_drop(ptr %a349)
+  %t350 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t350, ptr %a352
+  store { ptr, i64, i64 } { ptr @.str.4435, i64 6, i64 0 }, ptr %a353
+  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
+  store { ptr, i64, i64 } %t350, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  %t355 = load { ptr, i64, i64 }, ptr %a351
+  %t356 = load { ptr, i64, i64 }, ptr %a341
+  store { ptr, i64, i64 } %t355, ptr %a358
+  store { ptr, i64, i64 } %t356, ptr %a359
+  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
+  store { ptr, i64, i64 } %t355, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  %t361 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t361, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.4436, i64 6, i64 0 }, ptr %a364
+  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
+  store { ptr, i64, i64 } %t361, ptr %a365
+  call void @finch_str_drop(ptr %a365)
+  %t366 = load { ptr, i64, i64 }, ptr %a362
+  %t367 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t366, ptr %a369
+  store { ptr, i64, i64 } %t367, ptr %a370
+  call void @finch_str_concat(ptr %a368, ptr %a369, ptr %a370)
+  store { ptr, i64, i64 } %t366, ptr %a371
+  call void @finch_str_drop(ptr %a371)
+  %t372 = load { ptr, i64, i64 }, ptr %a368
+  %t373 = call { ptr, i64, i64 } @finch.gen.op(ptr %t342, { ptr, i64, i64 } %t372)
+  store { ptr, i64, i64 } %t372, ptr %a374
+  call void @finch_str_drop(ptr %a374)
+  store { ptr, i64, i64 } %t373, ptr %a375
+  %t376 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t377 = load i1, ptr %t376
+  br i1 %t377, label %then6843, label %endif6845
+then6843:
+  %t378 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t379 = load { ptr, i64, i64 }, ptr %a375
+  store { ptr, i64, i64 } %t379, ptr %a380
+  call void @finch_str_copy(ptr %a381, ptr %a380)
+  %t382 = load { ptr, i64, i64 }, ptr %a381
+  %t383 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t382, 0
+  %t384 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t384, ptr %a385
+  call void @finch.copy.S_ast_Type(ptr %a386, ptr %a385)
+  %t387 = load %S.ast.Type, ptr %a386
+  %t388 = insertvalue %S.gen.Place %t383, %S.ast.Type %t387, 1
+  %t389 = insertvalue %S.gen.Ref %t378, %S.gen.Place %t388, 1
+  call void @finch_str_drop(ptr %a375)
+  call void @finch_str_drop(ptr %a341)
+  call void @finch_str_drop(ptr %a323)
+  call void @finch_str_drop(ptr %a300)
+  call void @finch.drop.S_ast_Type(ptr %a248)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t389
+endif6845:
+  %t390 = load ptr, ptr %a1
+  %t391 = load ptr, ptr %a1
+  %t392 = load %S.ast.Type, ptr %a248
+  %t393 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t391, %S.ast.Type %t392)
+  %t394 = load { ptr, i64, i64 }, ptr %a375
+  %t395 = call { ptr, i64, i64 } @finch.gen.load(ptr %t390, { ptr, i64, i64 } %t393, { ptr, i64, i64 } %t394)
+  store { ptr, i64, i64 } %t393, ptr %a396
+  call void @finch_str_drop(ptr %a396)
+  store { ptr, i64, i64 } %t395, ptr %a397
+  %t398 = load { ptr, i64, i64 }, ptr %a397
+  store { ptr, i64, i64 } %t398, ptr %a399
+  call void @finch_str_copy(ptr %a400, ptr %a399)
+  %t401 = load { ptr, i64, i64 }, ptr %a400
+  %t402 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t401, 0
+  %t403 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t403, ptr %a404
+  call void @finch.copy.S_ast_Type(ptr %a405, ptr %a404)
+  %t406 = load %S.ast.Type, ptr %a405
+  %t407 = insertvalue %S.gen.Val %t402, %S.ast.Type %t406, 1
+  store %S.gen.Val %t407, ptr %a408
+  %t409 = load ptr, ptr %a1
+  %t410 = load %S.ast.Type, ptr %a248
+  %t411 = call i1 @finch.gen.owning(ptr %t409, %S.ast.Type %t410)
+  br label %logic.from6846
+logic.from6846:
+  br i1 %t411, label %logic.rhs6847, label %logic.end6848
+logic.rhs6847:
+  %t412 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t413 = getelementptr inbounds %S.gen.Val, ptr %t412, i32 0, i32 2
+  %t414 = load i1, ptr %t413
+  br label %logic.rend6849
+logic.rend6849:
+  br label %logic.end6848
+logic.end6848:
+  %t415 = phi i1 [ false, %logic.from6846 ], [ %t414, %logic.rend6849 ]
+  br i1 %t415, label %then6850, label %endif6852
+then6850:
+  %t416 = load ptr, ptr %a1
+  %t417 = load { ptr, i64, i64 }, ptr %a397
+  %t418 = load %S.ast.Type, ptr %a248
+  %t419 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t416, { ptr, i64, i64 } %t417, %S.ast.Type %t418)
+  %t420 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t419, 0
+  %t421 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t421, ptr %a422
+  call void @finch.copy.S_ast_Type(ptr %a423, ptr %a422)
+  %t424 = load %S.ast.Type, ptr %a423
+  %t425 = insertvalue %S.gen.Val %t420, %S.ast.Type %t424, 1
+  %t426 = insertvalue %S.gen.Val %t425, i1 true, 2
+  %t427 = load %S.gen.Val, ptr %a408
+  store %S.gen.Val %t426, ptr %a408
+  store %S.gen.Val %t427, ptr %a428
+  call void @finch.drop.S_gen_Val(ptr %a428)
+  br label %endif6852
+endif6852:
+  %t429 = load ptr, ptr %a1
+  %t430 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t431 = load %S.gen.Val, ptr %t430
+  call void @finch.gen.release(ptr %t429, %S.gen.Val %t431)
+  %t432 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t433 = load %S.gen.Val, ptr %a408
+  store %S.gen.Val %t433, ptr %a434
+  call void @finch.copy.S_gen_Val(ptr %a435, ptr %a434)
+  %t436 = load %S.gen.Val, ptr %a435
+  %t437 = insertvalue %S.gen.Ref %t432, %S.gen.Val %t436, 2
+  call void @finch.drop.S_gen_Val(ptr %a408)
+  call void @finch_str_drop(ptr %a397)
+  call void @finch_str_drop(ptr %a375)
+  call void @finch_str_drop(ptr %a341)
+  call void @finch_str_drop(ptr %a323)
+  call void @finch_str_drop(ptr %a300)
+  call void @finch.drop.S_ast_Type(ptr %a248)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t437
 }
 
 define internal void @finch.gen.checkArgs(ptr %p0, %S.ast.Node %p1, i64 %p2, i64 %p3, { ptr, i64, i64 } %p4) {
@@ -58225,23 +68941,32 @@ entry:
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -58255,14 +68980,14 @@ entry:
   store i64 %t10, ptr %a11
   %t12 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
   store i64 0, ptr %a13
-  br label %each.cond6475
-each.cond6475:
+  br label %each.cond6853
+each.cond6853:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = load i64, ptr %a13
   %t17 = icmp slt i64 %t16, %t15
-  br i1 %t17, label %each.body6476, label %each.end6478
-each.body6476:
+  br i1 %t17, label %each.body6854, label %each.end6856
+each.body6854:
   %t18 = load ptr, ptr %t12
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 %t16
   %t20 = load { ptr, i64, i64 }, ptr %t19
@@ -58270,66 +68995,84 @@ each.body6476:
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a21, i32 0, i32 1
   %t23 = load i64, ptr %t22
   %t24 = icmp sgt i64 %t23, 0
-  br i1 %t24, label %then6479, label %endif6481
-then6479:
+  br i1 %t24, label %then6857, label %endif6859
+then6857:
   %t25 = load ptr, ptr %a1
   %t26 = load %S.ast.Node, ptr %a2
   %t27 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.4264, i64 17, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.4437, i64 17, i64 0 }, ptr %a29
   store { ptr, i64, i64 } %t27, ptr %a30
   call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
   %t31 = load { ptr, i64, i64 }, ptr %a28
   store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.4265, i64 36, i64 0 }, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.4438, i64 36, i64 0 }, ptr %a34
   call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  call void @finch.gen.fail(ptr %t25, %S.ast.Node %t26, { ptr, i64, i64 } %t35)
-  br label %endif6481
-endif6481:
-  br label %each.step6477
-each.step6477:
-  %t36 = load i64, ptr %a13
-  %t37 = add i64 %t36, 1
-  store i64 %t37, ptr %a13
-  br label %each.cond6475
-each.end6478:
-  %t38 = load i64, ptr %a11
-  %t39 = load i64, ptr %a4
-  %t40 = icmp ne i64 %t38, %t39
-  br i1 %t40, label %then6482, label %endif6484
-then6482:
-  %t41 = load ptr, ptr %a1
-  %t42 = load %S.ast.Node, ptr %a2
-  %t43 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4266, i64 1, i64 0 }, ptr %a45
-  store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.4267, i64 8, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a53, i64 %t52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.4268, i64 22, i64 0 }, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a64, i64 %t63)
-  %t65 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a67
-  store { ptr, i64, i64 } %t65, ptr %a68
-  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  call void @finch.gen.fail(ptr %t41, %S.ast.Node %t42, { ptr, i64, i64 } %t69)
-  br label %endif6484
-endif6484:
+  store { ptr, i64, i64 } %t31, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a32
+  call void @finch.gen.fail(ptr %t25, %S.ast.Node %t26, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t36, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  br label %endif6859
+endif6859:
+  br label %each.step6855
+each.step6855:
+  %t38 = load i64, ptr %a13
+  %t39 = add i64 %t38, 1
+  store i64 %t39, ptr %a13
+  br label %each.cond6853
+each.end6856:
+  %t40 = load i64, ptr %a11
+  %t41 = load i64, ptr %a4
+  %t42 = icmp ne i64 %t40, %t41
+  br i1 %t42, label %then6860, label %endif6862
+then6860:
+  %t43 = load ptr, ptr %a1
+  %t44 = load %S.ast.Node, ptr %a2
+  %t45 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.4439, i64 1, i64 0 }, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.4440, i64 8, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  %t55 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a56, i64 %t55)
+  %t57 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t54, ptr %a59
+  store { ptr, i64, i64 } %t57, ptr %a60
+  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
+  store { ptr, i64, i64 } %t54, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  store { ptr, i64, i64 } %t57, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a58
+  store { ptr, i64, i64 } %t63, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.4441, i64 22, i64 0 }, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t63, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a64
+  %t69 = load i64, ptr %a11
+  call void @finch_str_from_int(ptr %a70, i64 %t69)
+  %t71 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a73
+  store { ptr, i64, i64 } %t71, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t68, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  store { ptr, i64, i64 } %t71, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.fail(ptr %t43, %S.ast.Node %t44, { ptr, i64, i64 } %t77)
+  store { ptr, i64, i64 } %t77, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  br label %endif6862
+endif6862:
   ret void
 }
 
@@ -58338,6 +69081,8 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca %S.gen.Val, align 16
+  %a13 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -58345,10 +69090,14 @@ entry:
   %t5 = load ptr, ptr %a1
   %t6 = load %S.ast.Node, ptr %a2
   %t7 = call %S.gen.Val @finch.gen.expr(ptr %t5, %S.ast.Node %t6)
-  %t8 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4269, i64 3, i64 0 })
+  %t8 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4442, i64 3, i64 0 })
   %t9 = load %S.ast.Node, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %a3
   %t11 = call %S.gen.Val @finch.gen.coerce(ptr %t4, %S.gen.Val %t7, %S.ast.Type %t8, %S.ast.Node %t9, { ptr, i64, i64 } %t10)
+  store %S.gen.Val %t7, ptr %a12
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  store %S.ast.Type %t8, ptr %a13
+  call void @finch.drop.S_ast_Type(ptr %a13)
   ret %S.gen.Val %t11
 }
 
@@ -58357,7 +69106,7 @@ entry:
   %a1 = alloca ptr, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t2, { ptr, i64, i64 } { ptr @.str.4270, i64 17, i64 0 })
+  %t3 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t2, { ptr, i64, i64 } { ptr @.str.4443, i64 17, i64 0 })
   ret { ptr, i64, i64 } %t3
 }
 
@@ -58378,50 +69127,50 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.4271, i64 3, i64 0 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.4444, i64 3, i64 0 }, ptr %a4
   %t5 = call i32 @finch_str_eq(ptr %a3, ptr %a4)
   %t6 = icmp ne i32 %t5, 0
-  br i1 %t6, label %then6485, label %endif6487
-then6485:
-  ret { ptr, i64, i64 } { ptr @.str.4272, i64 3, i64 0 }
-endif6487:
+  br i1 %t6, label %then6863, label %endif6865
+then6863:
+  ret { ptr, i64, i64 } { ptr @.str.4445, i64 3, i64 0 }
+endif6865:
   %t7 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4273, i64 3, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.4446, i64 3, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then6488, label %endif6490
-then6488:
-  ret { ptr, i64, i64 } { ptr @.str.4274, i64 5, i64 0 }
-endif6490:
+  br i1 %t11, label %then6866, label %endif6868
+then6866:
+  ret { ptr, i64, i64 } { ptr @.str.4447, i64 5, i64 0 }
+endif6868:
   %t12 = mul i64 13, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t13 = call ptr @finch_alloc(i64 %t12)
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4275, i64 3, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.4448, i64 3, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4276, i64 5, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.4449, i64 5, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4277, i64 4, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.4450, i64 4, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4278, i64 4, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.4451, i64 4, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4279, i64 2, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.4452, i64 2, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4280, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.4453, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 6
-  store { ptr, i64, i64 } { ptr @.str.4281, i64 3, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.4454, i64 3, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 7
-  store { ptr, i64, i64 } { ptr @.str.4282, i64 2, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.4455, i64 2, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 8
-  store { ptr, i64, i64 } { ptr @.str.4283, i64 3, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.4456, i64 3, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 9
-  store { ptr, i64, i64 } { ptr @.str.4284, i64 3, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.4457, i64 3, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 10
-  store { ptr, i64, i64 } { ptr @.str.4285, i64 3, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.4458, i64 3, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 11
-  store { ptr, i64, i64 } { ptr @.str.4286, i64 3, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.4459, i64 3, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 12
-  store { ptr, i64, i64 } { ptr @.str.4287, i64 3, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.4460, i64 3, i64 0 }, ptr %t26
   %t27 = insertvalue { ptr, i64, i64 } undef, ptr %t13, 0
   %t28 = insertvalue { ptr, i64, i64 } %t27, i64 13, 1
   %t29 = insertvalue { ptr, i64, i64 } %t28, i64 13, 2
@@ -58432,38 +69181,40 @@ endif6490:
   %t34 = load i64, ptr %t31
   %t35 = load ptr, ptr %a30
   store i64 0, ptr %a36
-  br label %find.cond6491
-find.cond6491:
+  br label %find.cond6869
+find.cond6869:
   %t37 = load i64, ptr %a36
   %t38 = icmp slt i64 %t37, %t34
-  br i1 %t38, label %find.body6492, label %find.end6495
-find.body6492:
+  br i1 %t38, label %find.body6870, label %find.end6873
+find.body6870:
   %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i64 %t37
   %t40 = load { ptr, i64, i64 }, ptr %t39
   store { ptr, i64, i64 } %t40, ptr %a41
   store { ptr, i64, i64 } %t32, ptr %a42
   %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
   %t44 = icmp ne i32 %t43, 0
-  br i1 %t44, label %find.hit6493, label %find.next6494
-find.hit6493:
+  br i1 %t44, label %find.hit6871, label %find.next6872
+find.hit6871:
   store i64 %t37, ptr %a33
-  br label %find.end6495
-find.next6494:
+  br label %find.end6873
+find.next6872:
   %t45 = add i64 %t37, 1
   store i64 %t45, ptr %a36
-  br label %find.cond6491
-find.end6495:
+  br label %find.cond6869
+find.end6873:
   %t46 = load i64, ptr %a33
   %t47 = icmp sge i64 %t46, 0
-  br i1 %t47, label %then6496, label %endif6498
-then6496:
+  br i1 %t47, label %then6874, label %endif6876
+then6874:
   %t48 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t48, ptr %a49
   call void @finch_str_copy(ptr %a50, ptr %a49)
   %t51 = load { ptr, i64, i64 }, ptr %a50
+  call void @finch.drop.arr_str(ptr %a30)
   ret { ptr, i64, i64 } %t51
-endif6498:
-  ret { ptr, i64, i64 } { ptr @.str.4288, i64 0, i64 0 }
+endif6876:
+  call void @finch.drop.arr_str(ptr %a30)
+  ret { ptr, i64, i64 } { ptr @.str.4461, i64 0, i64 0 }
 }
 
 define internal %S.gen.Val @finch.gen.convert(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -58475,228 +69226,300 @@ entry:
   %a20 = alloca %S.ast.Type, align 16
   %a21 = alloca %S.ast.Type, align 16
   %a23 = alloca %S.ast.Type, align 16
-  %a28 = alloca %S.gen.Val, align 16
-  %a29 = alloca %S.gen.Val, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca %S.ast.Type, align 16
-  %a125 = alloca %S.ast.Type, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca %S.ast.Type, align 16
+  %a139 = alloca %S.ast.Type, align 16
+  %a140 = alloca %S.ast.Type, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca %S.ast.Type, align 16
-  %a195 = alloca %S.ast.Type, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca %S.ast.Type, align 16
+  %a226 = alloca %S.ast.Type, align 16
+  %a227 = alloca %S.ast.Type, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca %S.ast.Type, align 16
-  %a266 = alloca %S.ast.Type, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
   %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
   %a296 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca %S.ast.Type, align 16
-  %a312 = alloca %S.ast.Type, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca %S.ast.Type, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a309 = alloca %S.ast.Type, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
   %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca %S.ast.Type, align 16
-  %a333 = alloca %S.ast.Type, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
   %a349 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca %S.ast.Type, align 16
-  %a363 = alloca %S.ast.Type, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca %S.ast.Type, align 16
-  %a394 = alloca %S.ast.Type, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
-  %a419 = alloca { ptr, i64, i64 }, align 16
-  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca %S.ast.Type, align 16
+  %a366 = alloca %S.ast.Type, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca %S.ast.Type, align 16
+  %a387 = alloca %S.ast.Type, align 16
+  %a388 = alloca %S.ast.Type, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca %S.ast.Type, align 16
+  %a418 = alloca %S.ast.Type, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
   %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
   %a430 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
   %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca %S.ast.Type, align 16
-  %a443 = alloca %S.ast.Type, align 16
-  %a458 = alloca %S.ast.Type, align 16
-  %a459 = alloca %S.ast.Type, align 16
-  %a472 = alloca %S.ast.Type, align 16
-  %a473 = alloca %S.ast.Type, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca %S.ast.Type, align 16
+  %a453 = alloca %S.ast.Type, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
   %a478 = alloca { ptr, i64, i64 }, align 16
   %a479 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a483 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
   %a489 = alloca { ptr, i64, i64 }, align 16
   %a490 = alloca { ptr, i64, i64 }, align 16
   %a491 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
   %a494 = alloca { ptr, i64, i64 }, align 16
   %a495 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
   %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
   %a503 = alloca { ptr, i64, i64 }, align 16
   %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
-  %a510 = alloca %S.ast.Type, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
   %a511 = alloca %S.ast.Type, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a528 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca %S.ast.Type, align 16
+  %a527 = alloca %S.ast.Type, align 16
+  %a528 = alloca %S.ast.Type, align 16
   %a541 = alloca %S.ast.Type, align 16
   %a542 = alloca %S.ast.Type, align 16
   %a547 = alloca { ptr, i64, i64 }, align 16
   %a548 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
   %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
   %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
   %a565 = alloca { ptr, i64, i64 }, align 16
   %a566 = alloca { ptr, i64, i64 }, align 16
-  %a567 = alloca { ptr, i64, i64 }, align 16
-  %a572 = alloca %S.ast.Type, align 16
-  %a573 = alloca %S.ast.Type, align 16
-  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
   %a581 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca { ptr, i64, i64 }, align 16
-  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca %S.ast.Type, align 16
+  %a585 = alloca %S.ast.Type, align 16
   %a590 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
-  %a593 = alloca { ptr, i64, i64 }, align 16
-  %a594 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca { ptr, i64, i64 }, align 16
-  %a606 = alloca %S.ast.Type, align 16
-  %a607 = alloca %S.ast.Type, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a613 = alloca { ptr, i64, i64 }, align 16
-  %a618 = alloca { ptr, i64, i64 }, align 16
-  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a597 = alloca { ptr, i64, i64 }, align 16
+  %a602 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a610 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a615 = alloca %S.ast.Type, align 16
+  %a616 = alloca %S.ast.Type, align 16
+  %a621 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca %S.ast.Type, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a639 = alloca { ptr, i64, i64 }, align 16
   %a641 = alloca { ptr, i64, i64 }, align 16
   %a642 = alloca { ptr, i64, i64 }, align 16
   %a643 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a644 = alloca { ptr, i64, i64 }, align 16
   %a647 = alloca { ptr, i64, i64 }, align 16
-  %a651 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca %S.gen.Val, align 16
-  %a657 = alloca %S.gen.Val, align 16
+  %a650 = alloca %S.ast.Type, align 16
+  %a651 = alloca %S.ast.Type, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca %S.ast.Type, align 16
+  %a689 = alloca %S.ast.Type, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a700 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a728 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a731 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
+  %a736 = alloca { ptr, i64, i64 }, align 16
+  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -58710,11 +69533,11 @@ entry:
   %t10 = load { ptr, i64, i64 }, ptr %t9
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 0, %t11
-  br i1 %t12, label %range6499, label %inrange6500
-range6499:
-  call void @finch_panic_index(ptr @.str.4289, i64 3606, i64 0, i64 %t11)
+  br i1 %t12, label %range6877, label %inrange6878
+range6877:
+  call void @finch_panic_index(ptr @.str.4462, i64 3889, i64 0, i64 %t11)
   unreachable
-inrange6500:
+inrange6878:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.ast.Node, ptr %t13, i64 0
   %t15 = load %S.ast.Node, ptr %t14
@@ -58729,874 +69552,1078 @@ inrange6500:
   %t24 = load %S.ast.Type, ptr %a23
   %t25 = load %S.ast.Type, ptr %a3
   %t26 = call i1 @finch.ast.same(%S.ast.Type %t24, %S.ast.Type %t25)
-  br i1 %t26, label %then6501, label %endif6503
-then6501:
+  br i1 %t26, label %then6879, label %endif6881
+then6879:
   %t27 = load %S.gen.Val, ptr %a17
-  store %S.gen.Val %t27, ptr %a28
-  call void @finch.copy.S_gen_Val(ptr %a29, ptr %a28)
-  %t30 = load %S.gen.Val, ptr %a29
-  ret %S.gen.Val %t30
-endif6503:
-  %t31 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t32 = load { ptr, i64, i64 }, ptr %t31
-  store { ptr, i64, i64 } %t32, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.4290, i64 3, i64 0 }, ptr %a34
-  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
-  %t36 = icmp ne i32 %t35, 0
-  br label %logic.from6504
-logic.from6504:
-  br i1 %t36, label %logic.rhs6505, label %logic.end6506
-logic.rhs6505:
-  %t37 = load %S.ast.Type, ptr %a3
-  %t38 = call i1 @finch.gen.isNumber(%S.ast.Type %t37)
-  br label %logic.rend6507
-logic.rend6507:
-  br label %logic.end6506
-logic.end6506:
-  %t39 = phi i1 [ false, %logic.from6504 ], [ %t38, %logic.rend6507 ]
-  br label %logic.from6508
-logic.from6508:
-  br i1 %t39, label %logic.rhs6509, label %logic.end6510
-logic.rhs6509:
-  %t40 = load ptr, ptr %a1
-  %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic6511, label %ok6512
-panic6511:
-  call void @finch_panic(ptr @.str.4291, i64 3611, ptr @.str.4292)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  ret %S.gen.Val %t27
+endif6881:
+  %t28 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t29 = load { ptr, i64, i64 }, ptr %t28
+  store { ptr, i64, i64 } %t29, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.4463, i64 3, i64 0 }, ptr %a31
+  %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
+  %t33 = icmp ne i32 %t32, 0
+  br label %logic.from6882
+logic.from6882:
+  br i1 %t33, label %logic.rhs6883, label %logic.end6884
+logic.rhs6883:
+  %t34 = load %S.ast.Type, ptr %a3
+  %t35 = call i1 @finch.gen.isNumber(%S.ast.Type %t34)
+  br label %logic.rend6885
+logic.rend6885:
+  br label %logic.end6884
+logic.end6884:
+  %t36 = phi i1 [ false, %logic.from6882 ], [ %t35, %logic.rend6885 ]
+  br label %logic.from6886
+logic.from6886:
+  br i1 %t36, label %logic.rhs6887, label %logic.end6888
+logic.rhs6887:
+  %t37 = load ptr, ptr %a1
+  %t38 = icmp eq ptr %t37, null
+  br i1 %t38, label %panic6889, label %ok6890
+panic6889:
+  call void @finch_panic(ptr @.str.4464, i64 3894, ptr @.str.4465)
   unreachable
-ok6512:
-  %t42 = getelementptr inbounds %S.gen.Gen, ptr %t40, i32 0, i32 39
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  %t44 = load %S.ast.Node, ptr %a2
-  %t45 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t44)
-  store { ptr, i64, i64 } %t43, ptr %a46
-  store { ptr, i64, i64 } %t45, ptr %a47
-  %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
-  %t49 = icmp ne i32 %t48, 0
-  br label %logic.rend6513
-logic.rend6513:
-  br label %logic.end6510
-logic.end6510:
-  %t50 = phi i1 [ false, %logic.from6508 ], [ %t49, %logic.rend6513 ]
-  br i1 %t50, label %then6514, label %endif6516
-then6514:
-  %t51 = load ptr, ptr %a1
-  %t52 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t51, { ptr, i64, i64 } { ptr @.str.4293, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t52, ptr %a53
-  %t54 = load ptr, ptr %a1
-  %t55 = load { ptr, i64, i64 }, ptr %a53
-  call void @finch.gen.store(ptr %t54, { ptr, i64, i64 } { ptr @.str.4294, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4295, i64 15, i64 0 }, { ptr, i64, i64 } %t55)
-  %t56 = load %S.ast.Type, ptr %a3
-  %t57 = call i1 @finch.gen.isInt(%S.ast.Type %t56)
-  br i1 %t57, label %then6517, label %endif6519
-then6517:
-  %t58 = load ptr, ptr %a1
-  %t59 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t58, { ptr, i64, i64 } { ptr @.str.4296, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t59, ptr %a60
+ok6890:
+  %t39 = getelementptr inbounds %S.gen.Gen, ptr %t37, i32 0, i32 40
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = load %S.ast.Node, ptr %a2
+  %t42 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t41)
+  store { ptr, i64, i64 } %t40, ptr %a43
+  store { ptr, i64, i64 } %t42, ptr %a44
+  %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
+  %t46 = icmp ne i32 %t45, 0
+  store { ptr, i64, i64 } %t42, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %logic.rend6891
+logic.rend6891:
+  br label %logic.end6888
+logic.end6888:
+  %t48 = phi i1 [ false, %logic.from6886 ], [ %t46, %logic.rend6891 ]
+  br i1 %t48, label %then6892, label %endif6894
+then6892:
+  %t49 = load ptr, ptr %a1
+  %t50 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t49, { ptr, i64, i64 } { ptr @.str.4466, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t50, ptr %a51
+  %t52 = load ptr, ptr %a1
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.store(ptr %t52, { ptr, i64, i64 } { ptr @.str.4467, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4468, i64 15, i64 0 }, { ptr, i64, i64 } %t53)
+  %t54 = load %S.ast.Type, ptr %a3
+  %t55 = call i1 @finch.gen.isInt(%S.ast.Type %t54)
+  br i1 %t55, label %then6895, label %endif6897
+then6895:
+  %t56 = load ptr, ptr %a1
+  %t57 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t56, { ptr, i64, i64 } { ptr @.str.4469, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t57, ptr %a58
+  %t59 = load ptr, ptr %a1
+  %t60 = load { ptr, i64, i64 }, ptr %a58
+  call void @finch.gen.store(ptr %t59, { ptr, i64, i64 } { ptr @.str.4470, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.4471, i64 1, i64 0 }, { ptr, i64, i64 } %t60)
   %t61 = load ptr, ptr %a1
-  %t62 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.store(ptr %t61, { ptr, i64, i64 } { ptr @.str.4297, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.4298, i64 1, i64 0 }, { ptr, i64, i64 } %t62)
-  %t63 = load ptr, ptr %a1
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.gen.Val, ptr %a17
-  %t66 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t64, %S.gen.Val %t65)
-  store { ptr, i64, i64 } { ptr @.str.4299, i64 32, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.4300, i64 6, i64 0 }, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = load { ptr, i64, i64 }, ptr %a60
+  %t62 = load ptr, ptr %a1
+  %t63 = load %S.gen.Val, ptr %a17
+  %t64 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t62, %S.gen.Val %t63)
+  store { ptr, i64, i64 } { ptr @.str.4472, i64 32, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } %t64, ptr %a67
+  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.4473, i64 6, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load { ptr, i64, i64 }, ptr %a58
   store { ptr, i64, i64 } %t74, ptr %a77
   store { ptr, i64, i64 } %t75, ptr %a78
   call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.4301, i64 6, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  %t84 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t83, ptr %a86
-  store { ptr, i64, i64 } %t84, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.4302, i64 1, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = call { ptr, i64, i64 } @finch.gen.op(ptr %t63, { ptr, i64, i64 } %t92)
-  store { ptr, i64, i64 } %t93, ptr %a94
-  %t95 = load ptr, ptr %a1
-  %t96 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.4303, i64 12, i64 0 }, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.4304, i64 3, i64 0 }, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  %t105 = call { ptr, i64, i64 } @finch.gen.op(ptr %t95, { ptr, i64, i64 } %t104)
-  %t106 = load ptr, ptr %a1
-  %t107 = icmp eq ptr %t106, null
-  br i1 %t107, label %panic6520, label %ok6521
-panic6520:
-  call void @finch_panic(ptr @.str.4305, i64 3619, ptr @.str.4306)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.4474, i64 6, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t85, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t85, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.4475, i64 1, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  %t97 = call { ptr, i64, i64 } @finch.gen.op(ptr %t61, { ptr, i64, i64 } %t96)
+  store { ptr, i64, i64 } %t96, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  store { ptr, i64, i64 } %t97, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.4476, i64 12, i64 0 }, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.4477, i64 3, i64 0 }, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t105, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  %t111 = call { ptr, i64, i64 } @finch.gen.op(ptr %t100, { ptr, i64, i64 } %t110)
+  store { ptr, i64, i64 } %t110, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  %t113 = load ptr, ptr %a1
+  %t114 = icmp eq ptr %t113, null
+  br i1 %t114, label %panic6898, label %ok6899
+panic6898:
+  call void @finch_panic(ptr @.str.4478, i64 3902, ptr @.str.4479)
   unreachable
-ok6521:
-  %t108 = getelementptr inbounds %S.gen.Gen, ptr %t106, i32 0, i32 40
-  store { ptr, i64, i64 } %t105, ptr %t108
-  %t109 = load ptr, ptr %a1
-  %t110 = load { ptr, i64, i64 }, ptr %a53
-  %t111 = call { ptr, i64, i64 } @finch.gen.load(ptr %t109, { ptr, i64, i64 } { ptr @.str.4307, i64 17, i64 0 }, { ptr, i64, i64 } %t110)
-  %t112 = load ptr, ptr %a1
-  %t113 = icmp eq ptr %t112, null
-  br i1 %t113, label %panic6522, label %ok6523
-panic6522:
-  call void @finch_panic(ptr @.str.4308, i64 3620, ptr @.str.4309)
+ok6899:
+  %t115 = getelementptr inbounds %S.gen.Gen, ptr %t113, i32 0, i32 41
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  store { ptr, i64, i64 } %t111, ptr %t115
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load ptr, ptr %a1
+  %t119 = load { ptr, i64, i64 }, ptr %a51
+  %t120 = call { ptr, i64, i64 } @finch.gen.load(ptr %t118, { ptr, i64, i64 } { ptr @.str.4480, i64 17, i64 0 }, { ptr, i64, i64 } %t119)
+  %t121 = load ptr, ptr %a1
+  %t122 = icmp eq ptr %t121, null
+  br i1 %t122, label %panic6900, label %ok6901
+panic6900:
+  call void @finch_panic(ptr @.str.4481, i64 3903, ptr @.str.4482)
   unreachable
-ok6523:
-  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 41
-  store { ptr, i64, i64 } %t111, ptr %t114
-  %t115 = load ptr, ptr %a1
-  %t116 = load ptr, ptr %a1
-  %t117 = load { ptr, i64, i64 }, ptr %a60
-  %t118 = call { ptr, i64, i64 } @finch.gen.load(ptr %t116, { ptr, i64, i64 } { ptr @.str.4310, i64 3, i64 0 }, { ptr, i64, i64 } %t117)
-  %t119 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4311, i64 3, i64 0 })
-  %t120 = load %S.ast.Type, ptr %a3
-  %t121 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t115, { ptr, i64, i64 } %t118, %S.ast.Type %t119, %S.ast.Type %t120)
-  %t122 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t121, 0
-  %t123 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t123, ptr %a124
-  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
-  %t126 = load %S.ast.Type, ptr %a125
-  %t127 = insertvalue %S.gen.Val %t122, %S.ast.Type %t126, 1
-  ret %S.gen.Val %t127
-endif6519:
+ok6901:
+  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 42
+  %t124 = load { ptr, i64, i64 }, ptr %t123
+  store { ptr, i64, i64 } %t120, ptr %t123
+  store { ptr, i64, i64 } %t124, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load ptr, ptr %a1
+  %t127 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t126, %S.gen.Val %t127)
   %t128 = load ptr, ptr %a1
-  %t129 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t128, { ptr, i64, i64 } { ptr @.str.4312, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t129, ptr %a130
-  %t131 = load ptr, ptr %a1
-  %t132 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.store(ptr %t131, { ptr, i64, i64 } { ptr @.str.4313, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.4314, i64 3, i64 0 }, { ptr, i64, i64 } %t132)
-  %t133 = load ptr, ptr %a1
-  %t134 = load ptr, ptr %a1
-  %t135 = load %S.gen.Val, ptr %a17
-  %t136 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t134, %S.gen.Val %t135)
-  store { ptr, i64, i64 } { ptr @.str.4315, i64 34, i64 0 }, ptr %a138
-  store { ptr, i64, i64 } %t136, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t140, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.4316, i64 6, i64 0 }, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  %t145 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t144, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t149, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.4317, i64 6, i64 0 }, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  %t154 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t153, ptr %a156
-  store { ptr, i64, i64 } %t154, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t158, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.4318, i64 1, i64 0 }, ptr %a161
-  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  %t163 = call { ptr, i64, i64 } @finch.gen.op(ptr %t133, { ptr, i64, i64 } %t162)
-  store { ptr, i64, i64 } %t163, ptr %a164
-  %t165 = load ptr, ptr %a1
-  %t166 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.4319, i64 12, i64 0 }, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.4320, i64 3, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  %t175 = call { ptr, i64, i64 } @finch.gen.op(ptr %t165, { ptr, i64, i64 } %t174)
-  %t176 = load ptr, ptr %a1
-  %t177 = icmp eq ptr %t176, null
-  br i1 %t177, label %panic6524, label %ok6525
-panic6524:
-  call void @finch_panic(ptr @.str.4321, i64 3626, ptr @.str.4322)
+  %t129 = load ptr, ptr %a1
+  %t130 = load { ptr, i64, i64 }, ptr %a58
+  %t131 = call { ptr, i64, i64 } @finch.gen.load(ptr %t129, { ptr, i64, i64 } { ptr @.str.4483, i64 3, i64 0 }, { ptr, i64, i64 } %t130)
+  %t132 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4484, i64 3, i64 0 })
+  %t133 = load %S.ast.Type, ptr %a3
+  %t134 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t128, { ptr, i64, i64 } %t131, %S.ast.Type %t132, %S.ast.Type %t133)
+  store { ptr, i64, i64 } %t131, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  store %S.ast.Type %t132, ptr %a136
+  call void @finch.drop.S_ast_Type(ptr %a136)
+  %t137 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t134, 0
+  %t138 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t138, ptr %a139
+  call void @finch.copy.S_ast_Type(ptr %a140, ptr %a139)
+  %t141 = load %S.ast.Type, ptr %a140
+  %t142 = insertvalue %S.gen.Val %t137, %S.ast.Type %t141, 1
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a58)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t142
+endif6897:
+  %t143 = load ptr, ptr %a1
+  %t144 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t143, { ptr, i64, i64 } { ptr @.str.4485, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t144, ptr %a145
+  %t146 = load ptr, ptr %a1
+  %t147 = load { ptr, i64, i64 }, ptr %a145
+  call void @finch.gen.store(ptr %t146, { ptr, i64, i64 } { ptr @.str.4486, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.4487, i64 3, i64 0 }, { ptr, i64, i64 } %t147)
+  %t148 = load ptr, ptr %a1
+  %t149 = load ptr, ptr %a1
+  %t150 = load %S.gen.Val, ptr %a17
+  %t151 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t149, %S.gen.Val %t150)
+  store { ptr, i64, i64 } { ptr @.str.4488, i64 34, i64 0 }, ptr %a153
+  store { ptr, i64, i64 } %t151, ptr %a154
+  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
+  store { ptr, i64, i64 } %t151, ptr %a155
+  call void @finch_str_drop(ptr %a155)
+  %t156 = load { ptr, i64, i64 }, ptr %a152
+  store { ptr, i64, i64 } %t156, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.4489, i64 6, i64 0 }, ptr %a159
+  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
+  store { ptr, i64, i64 } %t156, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a157
+  %t162 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t161, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t161, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t167, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4490, i64 6, i64 0 }, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t167, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  %t172 = load { ptr, i64, i64 }, ptr %a168
+  %t173 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t172, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t172, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.4491, i64 1, i64 0 }, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t178, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t148, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  store { ptr, i64, i64 } %t184, ptr %a186
+  %t187 = load ptr, ptr %a1
+  %t188 = load { ptr, i64, i64 }, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.4492, i64 12, i64 0 }, ptr %a190
+  store { ptr, i64, i64 } %t188, ptr %a191
+  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t192, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.4493, i64 3, i64 0 }, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load { ptr, i64, i64 }, ptr %a193
+  %t198 = call { ptr, i64, i64 } @finch.gen.op(ptr %t187, { ptr, i64, i64 } %t197)
+  store { ptr, i64, i64 } %t197, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = load ptr, ptr %a1
+  %t201 = icmp eq ptr %t200, null
+  br i1 %t201, label %panic6902, label %ok6903
+panic6902:
+  call void @finch_panic(ptr @.str.4494, i64 3910, ptr @.str.4495)
   unreachable
-ok6525:
-  %t178 = getelementptr inbounds %S.gen.Gen, ptr %t176, i32 0, i32 40
-  store { ptr, i64, i64 } %t175, ptr %t178
-  %t179 = load ptr, ptr %a1
-  %t180 = load { ptr, i64, i64 }, ptr %a53
-  %t181 = call { ptr, i64, i64 } @finch.gen.load(ptr %t179, { ptr, i64, i64 } { ptr @.str.4323, i64 17, i64 0 }, { ptr, i64, i64 } %t180)
-  %t182 = load ptr, ptr %a1
-  %t183 = icmp eq ptr %t182, null
-  br i1 %t183, label %panic6526, label %ok6527
-panic6526:
-  call void @finch_panic(ptr @.str.4324, i64 3627, ptr @.str.4325)
-  unreachable
-ok6527:
-  %t184 = getelementptr inbounds %S.gen.Gen, ptr %t182, i32 0, i32 41
-  store { ptr, i64, i64 } %t181, ptr %t184
-  %t185 = load ptr, ptr %a1
-  %t186 = load ptr, ptr %a1
-  %t187 = load { ptr, i64, i64 }, ptr %a130
-  %t188 = call { ptr, i64, i64 } @finch.gen.load(ptr %t186, { ptr, i64, i64 } { ptr @.str.4326, i64 6, i64 0 }, { ptr, i64, i64 } %t187)
-  %t189 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4327, i64 5, i64 0 })
-  %t190 = load %S.ast.Type, ptr %a3
-  %t191 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t185, { ptr, i64, i64 } %t188, %S.ast.Type %t189, %S.ast.Type %t190)
-  %t192 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t191, 0
-  %t193 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t193, ptr %a194
-  call void @finch.copy.S_ast_Type(ptr %a195, ptr %a194)
-  %t196 = load %S.ast.Type, ptr %a195
-  %t197 = insertvalue %S.gen.Val %t192, %S.ast.Type %t196, 1
-  ret %S.gen.Val %t197
-endif6516:
-  %t198 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t199 = load { ptr, i64, i64 }, ptr %t198
-  store { ptr, i64, i64 } %t199, ptr %a200
-  store { ptr, i64, i64 } { ptr @.str.4328, i64 3, i64 0 }, ptr %a201
-  %t202 = call i32 @finch_str_eq(ptr %a200, ptr %a201)
-  %t203 = icmp ne i32 %t202, 0
-  br label %logic.from6528
-logic.from6528:
-  br i1 %t203, label %logic.rhs6529, label %logic.end6530
-logic.rhs6529:
-  %t204 = load %S.ast.Type, ptr %a3
-  %t205 = call i1 @finch.gen.isNumber(%S.ast.Type %t204)
-  br label %logic.rend6531
-logic.rend6531:
-  br label %logic.end6530
-logic.end6530:
-  %t206 = phi i1 [ false, %logic.from6528 ], [ %t205, %logic.rend6531 ]
-  br i1 %t206, label %then6532, label %endif6534
-then6532:
-  %t207 = load ptr, ptr %a1
+ok6903:
+  %t202 = getelementptr inbounds %S.gen.Gen, ptr %t200, i32 0, i32 41
+  %t203 = load { ptr, i64, i64 }, ptr %t202
+  store { ptr, i64, i64 } %t198, ptr %t202
+  store { ptr, i64, i64 } %t203, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load ptr, ptr %a1
+  %t206 = load { ptr, i64, i64 }, ptr %a51
+  %t207 = call { ptr, i64, i64 } @finch.gen.load(ptr %t205, { ptr, i64, i64 } { ptr @.str.4496, i64 17, i64 0 }, { ptr, i64, i64 } %t206)
   %t208 = load ptr, ptr %a1
   %t209 = icmp eq ptr %t208, null
-  br i1 %t209, label %panic6535, label %ok6536
-panic6535:
-  call void @finch_panic(ptr @.str.4329, i64 3631, ptr @.str.4330)
+  br i1 %t209, label %panic6904, label %ok6905
+panic6904:
+  call void @finch_panic(ptr @.str.4497, i64 3911, ptr @.str.4498)
   unreachable
-ok6536:
-  %t210 = getelementptr inbounds %S.gen.Gen, ptr %t208, i32 0, i32 1
-  %t211 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t212 = load i64, ptr %t211
-  %t213 = load { ptr, i64, i64 }, ptr %t210
-  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
-  %t215 = icmp uge i64 %t212, %t214
-  br i1 %t215, label %range6537, label %inrange6538
-range6537:
-  call void @finch_panic_index(ptr @.str.4331, i64 3631, i64 %t212, i64 %t214)
+ok6905:
+  %t210 = getelementptr inbounds %S.gen.Gen, ptr %t208, i32 0, i32 42
+  %t211 = load { ptr, i64, i64 }, ptr %t210
+  store { ptr, i64, i64 } %t207, ptr %t210
+  store { ptr, i64, i64 } %t211, ptr %a212
+  call void @finch_str_drop(ptr %a212)
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t213, %S.gen.Val %t214)
+  %t215 = load ptr, ptr %a1
+  %t216 = load ptr, ptr %a1
+  %t217 = load { ptr, i64, i64 }, ptr %a145
+  %t218 = call { ptr, i64, i64 } @finch.gen.load(ptr %t216, { ptr, i64, i64 } { ptr @.str.4499, i64 6, i64 0 }, { ptr, i64, i64 } %t217)
+  %t219 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4500, i64 5, i64 0 })
+  %t220 = load %S.ast.Type, ptr %a3
+  %t221 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t215, { ptr, i64, i64 } %t218, %S.ast.Type %t219, %S.ast.Type %t220)
+  store { ptr, i64, i64 } %t218, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  store %S.ast.Type %t219, ptr %a223
+  call void @finch.drop.S_ast_Type(ptr %a223)
+  %t224 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t221, 0
+  %t225 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t225, ptr %a226
+  call void @finch.copy.S_ast_Type(ptr %a227, ptr %a226)
+  %t228 = load %S.ast.Type, ptr %a227
+  %t229 = insertvalue %S.gen.Val %t224, %S.ast.Type %t228, 1
+  call void @finch_str_drop(ptr %a186)
+  call void @finch_str_drop(ptr %a145)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t229
+endif6894:
+  %t230 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t231 = load { ptr, i64, i64 }, ptr %t230
+  store { ptr, i64, i64 } %t231, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.4501, i64 3, i64 0 }, ptr %a233
+  %t234 = call i32 @finch_str_eq(ptr %a232, ptr %a233)
+  %t235 = icmp ne i32 %t234, 0
+  br label %logic.from6906
+logic.from6906:
+  br i1 %t235, label %logic.rhs6907, label %logic.end6908
+logic.rhs6907:
+  %t236 = load %S.ast.Type, ptr %a3
+  %t237 = call i1 @finch.gen.isNumber(%S.ast.Type %t236)
+  br label %logic.rend6909
+logic.rend6909:
+  br label %logic.end6908
+logic.end6908:
+  %t238 = phi i1 [ false, %logic.from6906 ], [ %t237, %logic.rend6909 ]
+  br i1 %t238, label %then6910, label %endif6912
+then6910:
+  %t239 = load ptr, ptr %a1
+  %t240 = load ptr, ptr %a1
+  %t241 = icmp eq ptr %t240, null
+  br i1 %t241, label %panic6913, label %ok6914
+panic6913:
+  call void @finch_panic(ptr @.str.4502, i64 3916, ptr @.str.4503)
   unreachable
-inrange6538:
-  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
-  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i64 %t212
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  %t219 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t207, { ptr, i64, i64 } %t218)
-  store { ptr, i64, i64 } %t219, ptr %a220
-  %t221 = load %S.ast.Type, ptr %a3
-  %t222 = call i1 @finch.gen.isInt(%S.ast.Type %t221)
-  br i1 %t222, label %then6539, label %endif6541
-then6539:
-  %t223 = load ptr, ptr %a1
-  %t224 = load ptr, ptr %a1
-  %t225 = load %S.gen.Val, ptr %a17
-  %t226 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t224, %S.gen.Val %t225)
-  store { ptr, i64, i64 } { ptr @.str.4332, i64 31, i64 0 }, ptr %a228
-  store { ptr, i64, i64 } %t226, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  store { ptr, i64, i64 } %t230, ptr %a232
-  store { ptr, i64, i64 } { ptr @.str.4333, i64 6, i64 0 }, ptr %a233
-  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
-  %t234 = load { ptr, i64, i64 }, ptr %a231
-  %t235 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t234, ptr %a237
-  store { ptr, i64, i64 } %t235, ptr %a238
-  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
-  store { ptr, i64, i64 } %t239, ptr %a241
-  store { ptr, i64, i64 } { ptr @.str.4334, i64 6, i64 0 }, ptr %a242
-  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
-  %t243 = load { ptr, i64, i64 }, ptr %a240
-  %t244 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t245 = load i64, ptr %t244
-  call void @finch_str_from_int(ptr %a246, i64 %t245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  store { ptr, i64, i64 } %t243, ptr %a249
-  store { ptr, i64, i64 } %t247, ptr %a250
-  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t251, ptr %a253
-  store { ptr, i64, i64 } { ptr @.str.4335, i64 1, i64 0 }, ptr %a254
-  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
-  %t255 = load { ptr, i64, i64 }, ptr %a252
-  %t256 = call { ptr, i64, i64 } @finch.gen.op(ptr %t223, { ptr, i64, i64 } %t255)
-  store { ptr, i64, i64 } %t256, ptr %a257
-  %t258 = load ptr, ptr %a1
-  %t259 = load { ptr, i64, i64 }, ptr %a257
-  %t260 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4336, i64 3, i64 0 })
-  %t261 = load %S.ast.Type, ptr %a3
-  %t262 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t258, { ptr, i64, i64 } %t259, %S.ast.Type %t260, %S.ast.Type %t261)
-  %t263 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t262, 0
-  %t264 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t264, ptr %a265
-  call void @finch.copy.S_ast_Type(ptr %a266, ptr %a265)
-  %t267 = load %S.ast.Type, ptr %a266
-  %t268 = insertvalue %S.gen.Val %t263, %S.ast.Type %t267, 1
-  ret %S.gen.Val %t268
-endif6541:
-  %t269 = load ptr, ptr %a1
-  %t270 = load ptr, ptr %a1
-  %t271 = load %S.gen.Val, ptr %a17
-  %t272 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t270, %S.gen.Val %t271)
-  store { ptr, i64, i64 } { ptr @.str.4337, i64 36, i64 0 }, ptr %a274
-  store { ptr, i64, i64 } %t272, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  store { ptr, i64, i64 } %t276, ptr %a278
-  store { ptr, i64, i64 } { ptr @.str.4338, i64 6, i64 0 }, ptr %a279
-  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
-  %t280 = load { ptr, i64, i64 }, ptr %a277
-  %t281 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t280, ptr %a283
-  store { ptr, i64, i64 } %t281, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  store { ptr, i64, i64 } %t285, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.4339, i64 6, i64 0 }, ptr %a288
-  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
-  %t289 = load { ptr, i64, i64 }, ptr %a286
-  %t290 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t291 = load i64, ptr %t290
-  call void @finch_str_from_int(ptr %a292, i64 %t291)
-  %t293 = load { ptr, i64, i64 }, ptr %a292
-  store { ptr, i64, i64 } %t289, ptr %a295
-  store { ptr, i64, i64 } %t293, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  store { ptr, i64, i64 } %t297, ptr %a299
-  store { ptr, i64, i64 } { ptr @.str.4340, i64 1, i64 0 }, ptr %a300
-  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
-  %t301 = load { ptr, i64, i64 }, ptr %a298
-  %t302 = call { ptr, i64, i64 } @finch.gen.op(ptr %t269, { ptr, i64, i64 } %t301)
-  store { ptr, i64, i64 } %t302, ptr %a303
-  %t304 = load ptr, ptr %a1
-  %t305 = load { ptr, i64, i64 }, ptr %a303
-  %t306 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4341, i64 5, i64 0 })
+ok6914:
+  %t242 = getelementptr inbounds %S.gen.Gen, ptr %t240, i32 0, i32 1
+  %t243 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t244 = load i64, ptr %t243
+  %t245 = load { ptr, i64, i64 }, ptr %t242
+  %t246 = extractvalue { ptr, i64, i64 } %t245, 1
+  %t247 = icmp uge i64 %t244, %t246
+  br i1 %t247, label %range6915, label %inrange6916
+range6915:
+  call void @finch_panic_index(ptr @.str.4504, i64 3916, i64 %t244, i64 %t246)
+  unreachable
+inrange6916:
+  %t248 = extractvalue { ptr, i64, i64 } %t245, 0
+  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i64 %t244
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  %t251 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t239, { ptr, i64, i64 } %t250)
+  store { ptr, i64, i64 } %t251, ptr %a252
+  %t253 = load %S.ast.Type, ptr %a3
+  %t254 = call i1 @finch.gen.isInt(%S.ast.Type %t253)
+  br i1 %t254, label %then6917, label %endif6919
+then6917:
+  %t255 = load ptr, ptr %a1
+  %t256 = load ptr, ptr %a1
+  %t257 = load %S.gen.Val, ptr %a17
+  %t258 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t256, %S.gen.Val %t257)
+  store { ptr, i64, i64 } { ptr @.str.4505, i64 31, i64 0 }, ptr %a260
+  store { ptr, i64, i64 } %t258, ptr %a261
+  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
+  store { ptr, i64, i64 } %t258, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  %t263 = load { ptr, i64, i64 }, ptr %a259
+  store { ptr, i64, i64 } %t263, ptr %a265
+  store { ptr, i64, i64 } { ptr @.str.4506, i64 6, i64 0 }, ptr %a266
+  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
+  store { ptr, i64, i64 } %t263, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a264
+  %t269 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t268, ptr %a271
+  store { ptr, i64, i64 } %t269, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t268, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.4507, i64 6, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  call void @finch_str_drop(ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a275
+  %t280 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t281 = load i64, ptr %t280
+  call void @finch_str_from_int(ptr %a282, i64 %t281)
+  %t283 = load { ptr, i64, i64 }, ptr %a282
+  store { ptr, i64, i64 } %t279, ptr %a285
+  store { ptr, i64, i64 } %t283, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t279, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  store { ptr, i64, i64 } %t283, ptr %a288
+  call void @finch_str_drop(ptr %a288)
+  %t289 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t289, ptr %a291
+  store { ptr, i64, i64 } { ptr @.str.4508, i64 1, i64 0 }, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  store { ptr, i64, i64 } %t289, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load { ptr, i64, i64 }, ptr %a290
+  %t295 = call { ptr, i64, i64 } @finch.gen.op(ptr %t255, { ptr, i64, i64 } %t294)
+  store { ptr, i64, i64 } %t294, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  store { ptr, i64, i64 } %t295, ptr %a297
+  %t298 = load ptr, ptr %a1
+  %t299 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t298, %S.gen.Val %t299)
+  %t300 = load ptr, ptr %a1
+  %t301 = load { ptr, i64, i64 }, ptr %a297
+  %t302 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4509, i64 3, i64 0 })
+  %t303 = load %S.ast.Type, ptr %a3
+  %t304 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t300, { ptr, i64, i64 } %t301, %S.ast.Type %t302, %S.ast.Type %t303)
+  store %S.ast.Type %t302, ptr %a305
+  call void @finch.drop.S_ast_Type(ptr %a305)
+  %t306 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t304, 0
   %t307 = load %S.ast.Type, ptr %a3
-  %t308 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t304, { ptr, i64, i64 } %t305, %S.ast.Type %t306, %S.ast.Type %t307)
-  %t309 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t308, 0
-  %t310 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t310, ptr %a311
-  call void @finch.copy.S_ast_Type(ptr %a312, ptr %a311)
-  %t313 = load %S.ast.Type, ptr %a312
-  %t314 = insertvalue %S.gen.Val %t309, %S.ast.Type %t313, 1
-  ret %S.gen.Val %t314
-endif6534:
-  %t315 = load %S.ast.Type, ptr %a3
-  %t316 = call i1 @finch.gen.isInt(%S.ast.Type %t315)
-  br label %logic.from6542
-logic.from6542:
-  br i1 %t316, label %logic.rhs6543, label %logic.end6544
-logic.rhs6543:
-  %t317 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t318 = load { ptr, i64, i64 }, ptr %t317
-  store { ptr, i64, i64 } %t318, ptr %a319
-  store { ptr, i64, i64 } { ptr @.str.4342, i64 4, i64 0 }, ptr %a320
-  %t321 = call i32 @finch_str_eq(ptr %a319, ptr %a320)
-  %t322 = icmp ne i32 %t321, 0
-  br label %logic.rend6545
-logic.rend6545:
-  br label %logic.end6544
-logic.end6544:
-  %t323 = phi i1 [ false, %logic.from6542 ], [ %t322, %logic.rend6545 ]
-  br i1 %t323, label %then6546, label %endif6548
-then6546:
-  %t324 = load ptr, ptr %a1
-  %t325 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t326 = load { ptr, i64, i64 }, ptr %t325
-  %t327 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4343, i64 3, i64 0 })
-  %t328 = load %S.ast.Type, ptr %a3
-  %t329 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t324, { ptr, i64, i64 } %t326, %S.ast.Type %t327, %S.ast.Type %t328)
-  %t330 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t329, 0
-  %t331 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t331, ptr %a332
-  call void @finch.copy.S_ast_Type(ptr %a333, ptr %a332)
-  %t334 = load %S.ast.Type, ptr %a333
-  %t335 = insertvalue %S.gen.Val %t330, %S.ast.Type %t334, 1
-  ret %S.gen.Val %t335
-endif6548:
-  %t336 = load %S.ast.Type, ptr %a3
-  %t337 = call i1 @finch.gen.isInt(%S.ast.Type %t336)
-  br label %logic.from6549
-logic.from6549:
-  br i1 %t337, label %logic.end6551, label %logic.rhs6550
-logic.rhs6550:
-  %t338 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t339 = load { ptr, i64, i64 }, ptr %t338
-  store { ptr, i64, i64 } %t339, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.4344, i64 4, i64 0 }, ptr %a341
-  %t342 = call i32 @finch_str_eq(ptr %a340, ptr %a341)
-  %t343 = icmp ne i32 %t342, 0
-  br label %logic.rend6552
-logic.rend6552:
-  br label %logic.end6551
-logic.end6551:
-  %t344 = phi i1 [ true, %logic.from6549 ], [ %t343, %logic.rend6552 ]
-  br i1 %t344, label %then6553, label %endif6555
-then6553:
-  %t345 = load %S.ast.Type, ptr %a23
-  %t346 = call i1 @finch.gen.isInt(%S.ast.Type %t345)
-  br label %logic.from6556
-logic.from6556:
-  br i1 %t346, label %logic.end6558, label %logic.rhs6557
-logic.rhs6557:
-  %t347 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t348 = load { ptr, i64, i64 }, ptr %t347
-  store { ptr, i64, i64 } %t348, ptr %a349
-  store { ptr, i64, i64 } { ptr @.str.4345, i64 4, i64 0 }, ptr %a350
-  %t351 = call i32 @finch_str_eq(ptr %a349, ptr %a350)
-  %t352 = icmp ne i32 %t351, 0
-  br label %logic.rend6559
-logic.rend6559:
-  br label %logic.end6558
-logic.end6558:
-  %t353 = phi i1 [ true, %logic.from6556 ], [ %t352, %logic.rend6559 ]
-  br i1 %t353, label %then6560, label %endif6562
-then6560:
-  %t354 = load ptr, ptr %a1
-  %t355 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t356 = load { ptr, i64, i64 }, ptr %t355
-  %t357 = load %S.ast.Type, ptr %a23
-  %t358 = load %S.ast.Type, ptr %a3
-  %t359 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t354, { ptr, i64, i64 } %t356, %S.ast.Type %t357, %S.ast.Type %t358)
-  %t360 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t359, 0
-  %t361 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t361, ptr %a362
-  call void @finch.copy.S_ast_Type(ptr %a363, ptr %a362)
-  %t364 = load %S.ast.Type, ptr %a363
-  %t365 = insertvalue %S.gen.Val %t360, %S.ast.Type %t364, 1
-  ret %S.gen.Val %t365
-endif6562:
-  %t366 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t367 = load { ptr, i64, i64 }, ptr %t366
-  store { ptr, i64, i64 } %t367, ptr %a368
-  store { ptr, i64, i64 } { ptr @.str.4346, i64 4, i64 0 }, ptr %a369
-  %t370 = call i32 @finch_str_eq(ptr %a368, ptr %a369)
-  %t371 = icmp ne i32 %t370, 0
-  br i1 %t371, label %then6563, label %endif6565
-then6563:
-  %t372 = load ptr, ptr %a1
-  %t373 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t374 = load { ptr, i64, i64 }, ptr %t373
-  store { ptr, i64, i64 } { ptr @.str.4347, i64 8, i64 0 }, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t378, ptr %a380
-  store { ptr, i64, i64 } { ptr @.str.4348, i64 4, i64 0 }, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  %t383 = load ptr, ptr %a1
-  %t384 = load %S.ast.Type, ptr %a3
-  %t385 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t383, %S.ast.Type %t384)
-  store { ptr, i64, i64 } %t382, ptr %a387
-  store { ptr, i64, i64 } %t385, ptr %a388
-  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
-  %t389 = load { ptr, i64, i64 }, ptr %a386
-  %t390 = call { ptr, i64, i64 } @finch.gen.op(ptr %t372, { ptr, i64, i64 } %t389)
-  %t391 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t390, 0
-  %t392 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t392, ptr %a393
-  call void @finch.copy.S_ast_Type(ptr %a394, ptr %a393)
-  %t395 = load %S.ast.Type, ptr %a394
-  %t396 = insertvalue %S.gen.Val %t391, %S.ast.Type %t395, 1
-  ret %S.gen.Val %t396
-endif6565:
-  %t397 = load %S.ast.Type, ptr %a23
-  %t398 = call i1 @finch.gen.isFloat(%S.ast.Type %t397)
-  br label %logic.from6566
-logic.from6566:
-  br i1 %t398, label %logic.rhs6567, label %logic.end6568
-logic.rhs6567:
-  %t399 = load %S.ast.Type, ptr %a3
-  %t400 = call i1 @finch.gen.isInt(%S.ast.Type %t399)
-  br label %logic.rend6569
-logic.rend6569:
-  br label %logic.end6568
-logic.end6568:
-  %t401 = phi i1 [ false, %logic.from6566 ], [ %t400, %logic.rend6569 ]
-  br i1 %t401, label %then6570, label %endif6572
-then6570:
-  store { ptr, i64, i64 } { ptr @.str.4349, i64 6, i64 0 }, ptr %a402
-  %t403 = load %S.ast.Type, ptr %a3
-  %t404 = call i1 @finch.gen.isSigned(%S.ast.Type %t403)
-  br i1 %t404, label %then6573, label %endif6575
-then6573:
-  store { ptr, i64, i64 } { ptr @.str.4350, i64 6, i64 0 }, ptr %a402
-  br label %endif6575
-endif6575:
-  %t405 = load ptr, ptr %a1
-  %t406 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t406, ptr %a408
-  store { ptr, i64, i64 } { ptr @.str.4351, i64 1, i64 0 }, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  %t411 = load ptr, ptr %a1
+  store %S.ast.Type %t307, ptr %a308
+  call void @finch.copy.S_ast_Type(ptr %a309, ptr %a308)
+  %t310 = load %S.ast.Type, ptr %a309
+  %t311 = insertvalue %S.gen.Val %t306, %S.ast.Type %t310, 1
+  call void @finch_str_drop(ptr %a297)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t311
+endif6919:
+  %t312 = load ptr, ptr %a1
+  %t313 = load ptr, ptr %a1
+  %t314 = load %S.gen.Val, ptr %a17
+  %t315 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t313, %S.gen.Val %t314)
+  store { ptr, i64, i64 } { ptr @.str.4510, i64 36, i64 0 }, ptr %a317
+  store { ptr, i64, i64 } %t315, ptr %a318
+  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
+  store { ptr, i64, i64 } %t315, ptr %a319
+  call void @finch_str_drop(ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a316
+  store { ptr, i64, i64 } %t320, ptr %a322
+  store { ptr, i64, i64 } { ptr @.str.4511, i64 6, i64 0 }, ptr %a323
+  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
+  store { ptr, i64, i64 } %t320, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  %t325 = load { ptr, i64, i64 }, ptr %a321
+  %t326 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t325, ptr %a328
+  store { ptr, i64, i64 } %t326, ptr %a329
+  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
+  store { ptr, i64, i64 } %t325, ptr %a330
+  call void @finch_str_drop(ptr %a330)
+  %t331 = load { ptr, i64, i64 }, ptr %a327
+  store { ptr, i64, i64 } %t331, ptr %a333
+  store { ptr, i64, i64 } { ptr @.str.4512, i64 6, i64 0 }, ptr %a334
+  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
+  store { ptr, i64, i64 } %t331, ptr %a335
+  call void @finch_str_drop(ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a332
+  %t337 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t338 = load i64, ptr %t337
+  call void @finch_str_from_int(ptr %a339, i64 %t338)
+  %t340 = load { ptr, i64, i64 }, ptr %a339
+  store { ptr, i64, i64 } %t336, ptr %a342
+  store { ptr, i64, i64 } %t340, ptr %a343
+  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
+  store { ptr, i64, i64 } %t336, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  store { ptr, i64, i64 } %t340, ptr %a345
+  call void @finch_str_drop(ptr %a345)
+  %t346 = load { ptr, i64, i64 }, ptr %a341
+  store { ptr, i64, i64 } %t346, ptr %a348
+  store { ptr, i64, i64 } { ptr @.str.4513, i64 1, i64 0 }, ptr %a349
+  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
+  store { ptr, i64, i64 } %t346, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  %t351 = load { ptr, i64, i64 }, ptr %a347
+  %t352 = call { ptr, i64, i64 } @finch.gen.op(ptr %t312, { ptr, i64, i64 } %t351)
+  store { ptr, i64, i64 } %t351, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  store { ptr, i64, i64 } %t352, ptr %a354
+  %t355 = load ptr, ptr %a1
+  %t356 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t355, %S.gen.Val %t356)
+  %t357 = load ptr, ptr %a1
+  %t358 = load { ptr, i64, i64 }, ptr %a354
+  %t359 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4514, i64 5, i64 0 })
+  %t360 = load %S.ast.Type, ptr %a3
+  %t361 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t357, { ptr, i64, i64 } %t358, %S.ast.Type %t359, %S.ast.Type %t360)
+  store %S.ast.Type %t359, ptr %a362
+  call void @finch.drop.S_ast_Type(ptr %a362)
+  %t363 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t361, 0
+  %t364 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t364, ptr %a365
+  call void @finch.copy.S_ast_Type(ptr %a366, ptr %a365)
+  %t367 = load %S.ast.Type, ptr %a366
+  %t368 = insertvalue %S.gen.Val %t363, %S.ast.Type %t367, 1
+  call void @finch_str_drop(ptr %a354)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t368
+endif6912:
+  %t369 = load %S.ast.Type, ptr %a3
+  %t370 = call i1 @finch.gen.isInt(%S.ast.Type %t369)
+  br label %logic.from6920
+logic.from6920:
+  br i1 %t370, label %logic.rhs6921, label %logic.end6922
+logic.rhs6921:
+  %t371 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t372 = load { ptr, i64, i64 }, ptr %t371
+  store { ptr, i64, i64 } %t372, ptr %a373
+  store { ptr, i64, i64 } { ptr @.str.4515, i64 4, i64 0 }, ptr %a374
+  %t375 = call i32 @finch_str_eq(ptr %a373, ptr %a374)
+  %t376 = icmp ne i32 %t375, 0
+  br label %logic.rend6923
+logic.rend6923:
+  br label %logic.end6922
+logic.end6922:
+  %t377 = phi i1 [ false, %logic.from6920 ], [ %t376, %logic.rend6923 ]
+  br i1 %t377, label %then6924, label %endif6926
+then6924:
+  %t378 = load ptr, ptr %a1
+  %t379 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t380 = load { ptr, i64, i64 }, ptr %t379
+  %t381 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4516, i64 3, i64 0 })
+  %t382 = load %S.ast.Type, ptr %a3
+  %t383 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t378, { ptr, i64, i64 } %t380, %S.ast.Type %t381, %S.ast.Type %t382)
+  store %S.ast.Type %t381, ptr %a384
+  call void @finch.drop.S_ast_Type(ptr %a384)
+  %t385 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t383, 0
+  %t386 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t386, ptr %a387
+  call void @finch.copy.S_ast_Type(ptr %a388, ptr %a387)
+  %t389 = load %S.ast.Type, ptr %a388
+  %t390 = insertvalue %S.gen.Val %t385, %S.ast.Type %t389, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t390
+endif6926:
+  %t391 = load %S.ast.Type, ptr %a3
+  %t392 = call i1 @finch.gen.isInt(%S.ast.Type %t391)
+  br label %logic.from6927
+logic.from6927:
+  br i1 %t392, label %logic.end6929, label %logic.rhs6928
+logic.rhs6928:
+  %t393 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t394 = load { ptr, i64, i64 }, ptr %t393
+  store { ptr, i64, i64 } %t394, ptr %a395
+  store { ptr, i64, i64 } { ptr @.str.4517, i64 4, i64 0 }, ptr %a396
+  %t397 = call i32 @finch_str_eq(ptr %a395, ptr %a396)
+  %t398 = icmp ne i32 %t397, 0
+  br label %logic.rend6930
+logic.rend6930:
+  br label %logic.end6929
+logic.end6929:
+  %t399 = phi i1 [ true, %logic.from6927 ], [ %t398, %logic.rend6930 ]
+  br i1 %t399, label %then6931, label %endif6933
+then6931:
+  %t400 = load %S.ast.Type, ptr %a23
+  %t401 = call i1 @finch.gen.isInt(%S.ast.Type %t400)
+  br label %logic.from6934
+logic.from6934:
+  br i1 %t401, label %logic.end6936, label %logic.rhs6935
+logic.rhs6935:
+  %t402 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t403 = load { ptr, i64, i64 }, ptr %t402
+  store { ptr, i64, i64 } %t403, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4518, i64 4, i64 0 }, ptr %a405
+  %t406 = call i32 @finch_str_eq(ptr %a404, ptr %a405)
+  %t407 = icmp ne i32 %t406, 0
+  br label %logic.rend6937
+logic.rend6937:
+  br label %logic.end6936
+logic.end6936:
+  %t408 = phi i1 [ true, %logic.from6934 ], [ %t407, %logic.rend6937 ]
+  br i1 %t408, label %then6938, label %endif6940
+then6938:
+  %t409 = load ptr, ptr %a1
+  %t410 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t411 = load { ptr, i64, i64 }, ptr %t410
   %t412 = load %S.ast.Type, ptr %a23
-  %t413 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t411, %S.ast.Type %t412)
-  store { ptr, i64, i64 } %t410, ptr %a415
-  store { ptr, i64, i64 } %t413, ptr %a416
-  call void @finch_str_concat(ptr %a414, ptr %a415, ptr %a416)
-  %t417 = load { ptr, i64, i64 }, ptr %a414
-  store { ptr, i64, i64 } %t417, ptr %a419
-  store { ptr, i64, i64 } { ptr @.str.4352, i64 1, i64 0 }, ptr %a420
-  call void @finch_str_concat(ptr %a418, ptr %a419, ptr %a420)
-  %t421 = load { ptr, i64, i64 }, ptr %a418
-  %t422 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t423 = load { ptr, i64, i64 }, ptr %t422
-  store { ptr, i64, i64 } %t421, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t427, ptr %a429
-  store { ptr, i64, i64 } { ptr @.str.4353, i64 4, i64 0 }, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load ptr, ptr %a1
-  %t433 = load %S.ast.Type, ptr %a3
-  %t434 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t432, %S.ast.Type %t433)
-  store { ptr, i64, i64 } %t431, ptr %a436
-  store { ptr, i64, i64 } %t434, ptr %a437
-  call void @finch_str_concat(ptr %a435, ptr %a436, ptr %a437)
-  %t438 = load { ptr, i64, i64 }, ptr %a435
-  %t439 = call { ptr, i64, i64 } @finch.gen.op(ptr %t405, { ptr, i64, i64 } %t438)
-  %t440 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t439, 0
-  %t441 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t441, ptr %a442
-  call void @finch.copy.S_ast_Type(ptr %a443, ptr %a442)
-  %t444 = load %S.ast.Type, ptr %a443
-  %t445 = insertvalue %S.gen.Val %t440, %S.ast.Type %t444, 1
-  ret %S.gen.Val %t445
-endif6572:
-  br label %endif6555
-endif6555:
-  %t446 = load %S.ast.Type, ptr %a3
-  %t447 = call i1 @finch.gen.isFloat(%S.ast.Type %t446)
-  br i1 %t447, label %then6576, label %endif6578
-then6576:
-  %t448 = load %S.ast.Type, ptr %a23
-  %t449 = call i1 @finch.gen.isInt(%S.ast.Type %t448)
-  br i1 %t449, label %then6579, label %endif6581
-then6579:
-  %t450 = load ptr, ptr %a1
-  %t451 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t452 = load { ptr, i64, i64 }, ptr %t451
-  %t453 = load %S.ast.Type, ptr %a23
-  %t454 = load %S.ast.Type, ptr %a3
-  %t455 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t450, { ptr, i64, i64 } %t452, %S.ast.Type %t453, %S.ast.Type %t454)
-  %t456 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t455, 0
-  %t457 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t457, ptr %a458
-  call void @finch.copy.S_ast_Type(ptr %a459, ptr %a458)
-  %t460 = load %S.ast.Type, ptr %a459
-  %t461 = insertvalue %S.gen.Val %t456, %S.ast.Type %t460, 1
-  ret %S.gen.Val %t461
-endif6581:
-  %t462 = load %S.ast.Type, ptr %a23
-  %t463 = call i1 @finch.gen.isFloat(%S.ast.Type %t462)
-  br i1 %t463, label %then6582, label %endif6584
-then6582:
-  %t464 = load ptr, ptr %a1
-  %t465 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t466 = load { ptr, i64, i64 }, ptr %t465
-  %t467 = load %S.ast.Type, ptr %a23
-  %t468 = load %S.ast.Type, ptr %a3
-  %t469 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t464, { ptr, i64, i64 } %t466, %S.ast.Type %t467, %S.ast.Type %t468)
-  %t470 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t469, 0
-  %t471 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t471, ptr %a472
-  call void @finch.copy.S_ast_Type(ptr %a473, ptr %a472)
-  %t474 = load %S.ast.Type, ptr %a473
-  %t475 = insertvalue %S.gen.Val %t470, %S.ast.Type %t474, 1
-  ret %S.gen.Val %t475
-endif6584:
-  br label %endif6578
-endif6578:
-  %t476 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t477 = load { ptr, i64, i64 }, ptr %t476
-  store { ptr, i64, i64 } %t477, ptr %a478
-  store { ptr, i64, i64 } { ptr @.str.4354, i64 4, i64 0 }, ptr %a479
-  %t480 = call i32 @finch_str_eq(ptr %a478, ptr %a479)
-  %t481 = icmp ne i32 %t480, 0
-  br label %logic.from6585
-logic.from6585:
-  br i1 %t481, label %logic.rhs6586, label %logic.end6587
-logic.rhs6586:
-  %t482 = load %S.ast.Type, ptr %a23
-  %t483 = call i1 @finch.gen.isInt(%S.ast.Type %t482)
-  br label %logic.rend6588
-logic.rend6588:
-  br label %logic.end6587
-logic.end6587:
-  %t484 = phi i1 [ false, %logic.from6585 ], [ %t483, %logic.rend6588 ]
-  br i1 %t484, label %then6589, label %endif6591
-then6589:
-  %t485 = load ptr, ptr %a1
-  %t486 = load ptr, ptr %a1
-  %t487 = load %S.ast.Type, ptr %a23
-  %t488 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t486, %S.ast.Type %t487)
-  store { ptr, i64, i64 } { ptr @.str.4355, i64 8, i64 0 }, ptr %a490
-  store { ptr, i64, i64 } %t488, ptr %a491
-  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
-  %t492 = load { ptr, i64, i64 }, ptr %a489
+  %t413 = load %S.ast.Type, ptr %a3
+  %t414 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t409, { ptr, i64, i64 } %t411, %S.ast.Type %t412, %S.ast.Type %t413)
+  %t415 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t414, 0
+  %t416 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t416, ptr %a417
+  call void @finch.copy.S_ast_Type(ptr %a418, ptr %a417)
+  %t419 = load %S.ast.Type, ptr %a418
+  %t420 = insertvalue %S.gen.Val %t415, %S.ast.Type %t419, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t420
+endif6940:
+  %t421 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t422 = load { ptr, i64, i64 }, ptr %t421
+  store { ptr, i64, i64 } %t422, ptr %a423
+  store { ptr, i64, i64 } { ptr @.str.4519, i64 4, i64 0 }, ptr %a424
+  %t425 = call i32 @finch_str_eq(ptr %a423, ptr %a424)
+  %t426 = icmp ne i32 %t425, 0
+  br i1 %t426, label %then6941, label %endif6943
+then6941:
+  %t427 = load ptr, ptr %a1
+  %t428 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t429 = load { ptr, i64, i64 }, ptr %t428
+  store { ptr, i64, i64 } { ptr @.str.4520, i64 8, i64 0 }, ptr %a431
+  store { ptr, i64, i64 } %t429, ptr %a432
+  call void @finch_str_concat(ptr %a430, ptr %a431, ptr %a432)
+  %t433 = load { ptr, i64, i64 }, ptr %a430
+  store { ptr, i64, i64 } %t433, ptr %a435
+  store { ptr, i64, i64 } { ptr @.str.4521, i64 4, i64 0 }, ptr %a436
+  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
+  store { ptr, i64, i64 } %t433, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a434
+  %t439 = load ptr, ptr %a1
+  %t440 = load %S.ast.Type, ptr %a3
+  %t441 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t439, %S.ast.Type %t440)
+  store { ptr, i64, i64 } %t438, ptr %a443
+  store { ptr, i64, i64 } %t441, ptr %a444
+  call void @finch_str_concat(ptr %a442, ptr %a443, ptr %a444)
+  store { ptr, i64, i64 } %t438, ptr %a445
+  call void @finch_str_drop(ptr %a445)
+  store { ptr, i64, i64 } %t441, ptr %a446
+  call void @finch_str_drop(ptr %a446)
+  %t447 = load { ptr, i64, i64 }, ptr %a442
+  %t448 = call { ptr, i64, i64 } @finch.gen.op(ptr %t427, { ptr, i64, i64 } %t447)
+  store { ptr, i64, i64 } %t447, ptr %a449
+  call void @finch_str_drop(ptr %a449)
+  %t450 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t448, 0
+  %t451 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t451, ptr %a452
+  call void @finch.copy.S_ast_Type(ptr %a453, ptr %a452)
+  %t454 = load %S.ast.Type, ptr %a453
+  %t455 = insertvalue %S.gen.Val %t450, %S.ast.Type %t454, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t455
+endif6943:
+  %t456 = load %S.ast.Type, ptr %a23
+  %t457 = call i1 @finch.gen.isFloat(%S.ast.Type %t456)
+  br label %logic.from6944
+logic.from6944:
+  br i1 %t457, label %logic.rhs6945, label %logic.end6946
+logic.rhs6945:
+  %t458 = load %S.ast.Type, ptr %a3
+  %t459 = call i1 @finch.gen.isInt(%S.ast.Type %t458)
+  br label %logic.rend6947
+logic.rend6947:
+  br label %logic.end6946
+logic.end6946:
+  %t460 = phi i1 [ false, %logic.from6944 ], [ %t459, %logic.rend6947 ]
+  br i1 %t460, label %then6948, label %endif6950
+then6948:
+  store { ptr, i64, i64 } { ptr @.str.4522, i64 6, i64 0 }, ptr %a461
+  %t462 = load %S.ast.Type, ptr %a3
+  %t463 = call i1 @finch.gen.isSigned(%S.ast.Type %t462)
+  br i1 %t463, label %then6951, label %endif6953
+then6951:
+  %t464 = load { ptr, i64, i64 }, ptr %a461
+  store { ptr, i64, i64 } { ptr @.str.4523, i64 6, i64 0 }, ptr %a461
+  store { ptr, i64, i64 } %t464, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  br label %endif6953
+endif6953:
+  %t466 = load ptr, ptr %a1
+  %t467 = load { ptr, i64, i64 }, ptr %a461
+  store { ptr, i64, i64 } %t467, ptr %a469
+  store { ptr, i64, i64 } { ptr @.str.4524, i64 1, i64 0 }, ptr %a470
+  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
+  %t471 = load { ptr, i64, i64 }, ptr %a468
+  %t472 = load ptr, ptr %a1
+  %t473 = load %S.ast.Type, ptr %a23
+  %t474 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t472, %S.ast.Type %t473)
+  store { ptr, i64, i64 } %t471, ptr %a476
+  store { ptr, i64, i64 } %t474, ptr %a477
+  call void @finch_str_concat(ptr %a475, ptr %a476, ptr %a477)
+  store { ptr, i64, i64 } %t471, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  store { ptr, i64, i64 } %t474, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  %t480 = load { ptr, i64, i64 }, ptr %a475
+  store { ptr, i64, i64 } %t480, ptr %a482
+  store { ptr, i64, i64 } { ptr @.str.4525, i64 1, i64 0 }, ptr %a483
+  call void @finch_str_concat(ptr %a481, ptr %a482, ptr %a483)
+  store { ptr, i64, i64 } %t480, ptr %a484
+  call void @finch_str_drop(ptr %a484)
+  %t485 = load { ptr, i64, i64 }, ptr %a481
+  %t486 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t487 = load { ptr, i64, i64 }, ptr %t486
+  store { ptr, i64, i64 } %t485, ptr %a489
+  store { ptr, i64, i64 } %t487, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  store { ptr, i64, i64 } %t485, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  %t492 = load { ptr, i64, i64 }, ptr %a488
   store { ptr, i64, i64 } %t492, ptr %a494
-  store { ptr, i64, i64 } { ptr @.str.4356, i64 1, i64 0 }, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.4526, i64 4, i64 0 }, ptr %a495
   call void @finch_str_concat(ptr %a493, ptr %a494, ptr %a495)
-  %t496 = load { ptr, i64, i64 }, ptr %a493
-  %t497 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t498 = load { ptr, i64, i64 }, ptr %t497
-  store { ptr, i64, i64 } %t496, ptr %a500
-  store { ptr, i64, i64 } %t498, ptr %a501
-  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
-  %t502 = load { ptr, i64, i64 }, ptr %a499
-  store { ptr, i64, i64 } %t502, ptr %a504
-  store { ptr, i64, i64 } { ptr @.str.4357, i64 3, i64 0 }, ptr %a505
-  call void @finch_str_concat(ptr %a503, ptr %a504, ptr %a505)
-  %t506 = load { ptr, i64, i64 }, ptr %a503
-  %t507 = call { ptr, i64, i64 } @finch.gen.op(ptr %t485, { ptr, i64, i64 } %t506)
-  %t508 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t507, 0
-  %t509 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t509, ptr %a510
-  call void @finch.copy.S_ast_Type(ptr %a511, ptr %a510)
-  %t512 = load %S.ast.Type, ptr %a511
-  %t513 = insertvalue %S.gen.Val %t508, %S.ast.Type %t512, 1
-  ret %S.gen.Val %t513
-endif6591:
-  %t514 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t515 = load { ptr, i64, i64 }, ptr %t514
-  store { ptr, i64, i64 } %t515, ptr %a516
-  store { ptr, i64, i64 } { ptr @.str.4358, i64 3, i64 0 }, ptr %a517
-  %t518 = call i32 @finch_str_eq(ptr %a516, ptr %a517)
-  %t519 = icmp ne i32 %t518, 0
-  br label %logic.from6592
-logic.from6592:
-  br i1 %t519, label %logic.rhs6593, label %logic.end6594
-logic.rhs6593:
-  %t520 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  store { ptr, i64, i64 } %t492, ptr %a496
+  call void @finch_str_drop(ptr %a496)
+  %t497 = load { ptr, i64, i64 }, ptr %a493
+  %t498 = load ptr, ptr %a1
+  %t499 = load %S.ast.Type, ptr %a3
+  %t500 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t498, %S.ast.Type %t499)
+  store { ptr, i64, i64 } %t497, ptr %a502
+  store { ptr, i64, i64 } %t500, ptr %a503
+  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
+  store { ptr, i64, i64 } %t497, ptr %a504
+  call void @finch_str_drop(ptr %a504)
+  store { ptr, i64, i64 } %t500, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = load { ptr, i64, i64 }, ptr %a501
+  %t507 = call { ptr, i64, i64 } @finch.gen.op(ptr %t466, { ptr, i64, i64 } %t506)
+  store { ptr, i64, i64 } %t506, ptr %a508
+  call void @finch_str_drop(ptr %a508)
+  %t509 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t507, 0
+  %t510 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t510, ptr %a511
+  call void @finch.copy.S_ast_Type(ptr %a512, ptr %a511)
+  %t513 = load %S.ast.Type, ptr %a512
+  %t514 = insertvalue %S.gen.Val %t509, %S.ast.Type %t513, 1
+  call void @finch_str_drop(ptr %a461)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t514
+endif6950:
+  br label %endif6933
+endif6933:
+  %t515 = load %S.ast.Type, ptr %a3
+  %t516 = call i1 @finch.gen.isFloat(%S.ast.Type %t515)
+  br i1 %t516, label %then6954, label %endif6956
+then6954:
+  %t517 = load %S.ast.Type, ptr %a23
+  %t518 = call i1 @finch.gen.isInt(%S.ast.Type %t517)
+  br i1 %t518, label %then6957, label %endif6959
+then6957:
+  %t519 = load ptr, ptr %a1
+  %t520 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
   %t521 = load { ptr, i64, i64 }, ptr %t520
-  store { ptr, i64, i64 } %t521, ptr %a522
-  store { ptr, i64, i64 } { ptr @.str.4359, i64 3, i64 0 }, ptr %a523
-  %t524 = call i32 @finch_str_eq(ptr %a522, ptr %a523)
-  %t525 = icmp ne i32 %t524, 0
-  br label %logic.from6595
-logic.from6595:
-  br i1 %t525, label %logic.end6597, label %logic.rhs6596
-logic.rhs6596:
-  %t526 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t527 = load { ptr, i64, i64 }, ptr %t526
-  store { ptr, i64, i64 } %t527, ptr %a528
-  store { ptr, i64, i64 } { ptr @.str.4360, i64 4, i64 0 }, ptr %a529
-  %t530 = call i32 @finch_str_eq(ptr %a528, ptr %a529)
-  %t531 = icmp ne i32 %t530, 0
-  br label %logic.rend6598
-logic.rend6598:
-  br label %logic.end6597
-logic.end6597:
-  %t532 = phi i1 [ true, %logic.from6595 ], [ %t531, %logic.rend6598 ]
-  br label %logic.rend6599
-logic.rend6599:
-  br label %logic.end6594
-logic.end6594:
-  %t533 = phi i1 [ false, %logic.from6592 ], [ %t532, %logic.rend6599 ]
-  br i1 %t533, label %then6600, label %endif6602
-then6600:
+  %t522 = load %S.ast.Type, ptr %a23
+  %t523 = load %S.ast.Type, ptr %a3
+  %t524 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t519, { ptr, i64, i64 } %t521, %S.ast.Type %t522, %S.ast.Type %t523)
+  %t525 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t524, 0
+  %t526 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t526, ptr %a527
+  call void @finch.copy.S_ast_Type(ptr %a528, ptr %a527)
+  %t529 = load %S.ast.Type, ptr %a528
+  %t530 = insertvalue %S.gen.Val %t525, %S.ast.Type %t529, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t530
+endif6959:
+  %t531 = load %S.ast.Type, ptr %a23
+  %t532 = call i1 @finch.gen.isFloat(%S.ast.Type %t531)
+  br i1 %t532, label %then6960, label %endif6962
+then6960:
+  %t533 = load ptr, ptr %a1
   %t534 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
   %t535 = load { ptr, i64, i64 }, ptr %t534
-  store { ptr, i64, i64 } %t535, ptr %a536
-  call void @finch_str_copy(ptr %a537, ptr %a536)
-  %t538 = load { ptr, i64, i64 }, ptr %a537
+  %t536 = load %S.ast.Type, ptr %a23
+  %t537 = load %S.ast.Type, ptr %a3
+  %t538 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t533, { ptr, i64, i64 } %t535, %S.ast.Type %t536, %S.ast.Type %t537)
   %t539 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t538, 0
   %t540 = load %S.ast.Type, ptr %a3
   store %S.ast.Type %t540, ptr %a541
   call void @finch.copy.S_ast_Type(ptr %a542, ptr %a541)
   %t543 = load %S.ast.Type, ptr %a542
   %t544 = insertvalue %S.gen.Val %t539, %S.ast.Type %t543, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
   ret %S.gen.Val %t544
-endif6602:
+endif6962:
+  br label %endif6956
+endif6956:
   %t545 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t546 = load { ptr, i64, i64 }, ptr %t545
   store { ptr, i64, i64 } %t546, ptr %a547
-  store { ptr, i64, i64 } { ptr @.str.4361, i64 3, i64 0 }, ptr %a548
+  store { ptr, i64, i64 } { ptr @.str.4527, i64 4, i64 0 }, ptr %a548
   %t549 = call i32 @finch_str_eq(ptr %a547, ptr %a548)
   %t550 = icmp ne i32 %t549, 0
-  br label %logic.from6603
-logic.from6603:
-  br i1 %t550, label %logic.rhs6604, label %logic.end6605
-logic.rhs6604:
+  br label %logic.from6963
+logic.from6963:
+  br i1 %t550, label %logic.rhs6964, label %logic.end6965
+logic.rhs6964:
   %t551 = load %S.ast.Type, ptr %a23
   %t552 = call i1 @finch.gen.isInt(%S.ast.Type %t551)
-  br label %logic.rend6606
-logic.rend6606:
-  br label %logic.end6605
-logic.end6605:
-  %t553 = phi i1 [ false, %logic.from6603 ], [ %t552, %logic.rend6606 ]
-  br i1 %t553, label %then6607, label %endif6609
-then6607:
+  br label %logic.rend6966
+logic.rend6966:
+  br label %logic.end6965
+logic.end6965:
+  %t553 = phi i1 [ false, %logic.from6963 ], [ %t552, %logic.rend6966 ]
+  br i1 %t553, label %then6967, label %endif6969
+then6967:
   %t554 = load ptr, ptr %a1
   %t555 = load ptr, ptr %a1
-  %t556 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t557 = load { ptr, i64, i64 }, ptr %t556
-  %t558 = load %S.ast.Type, ptr %a23
-  %t559 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4363, i64 3, i64 0 })
-  %t560 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t555, { ptr, i64, i64 } %t557, %S.ast.Type %t558, %S.ast.Type %t559)
-  store { ptr, i64, i64 } { ptr @.str.4362, i64 13, i64 0 }, ptr %a562
-  store { ptr, i64, i64 } %t560, ptr %a563
-  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
-  %t564 = load { ptr, i64, i64 }, ptr %a561
-  store { ptr, i64, i64 } %t564, ptr %a566
-  store { ptr, i64, i64 } { ptr @.str.4364, i64 7, i64 0 }, ptr %a567
-  call void @finch_str_concat(ptr %a565, ptr %a566, ptr %a567)
-  %t568 = load { ptr, i64, i64 }, ptr %a565
-  %t569 = call { ptr, i64, i64 } @finch.gen.op(ptr %t554, { ptr, i64, i64 } %t568)
-  %t570 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t569, 0
-  %t571 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t571, ptr %a572
-  call void @finch.copy.S_ast_Type(ptr %a573, ptr %a572)
-  %t574 = load %S.ast.Type, ptr %a573
-  %t575 = insertvalue %S.gen.Val %t570, %S.ast.Type %t574, 1
-  ret %S.gen.Val %t575
-endif6609:
-  %t576 = load %S.ast.Type, ptr %a3
-  %t577 = call i1 @finch.gen.isInt(%S.ast.Type %t576)
-  br label %logic.from6610
-logic.from6610:
-  br i1 %t577, label %logic.rhs6611, label %logic.end6612
-logic.rhs6611:
-  %t578 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t579 = load { ptr, i64, i64 }, ptr %t578
-  store { ptr, i64, i64 } %t579, ptr %a580
-  store { ptr, i64, i64 } { ptr @.str.4365, i64 3, i64 0 }, ptr %a581
-  %t582 = call i32 @finch_str_eq(ptr %a580, ptr %a581)
-  %t583 = icmp ne i32 %t582, 0
-  br label %logic.rend6613
-logic.rend6613:
-  br label %logic.end6612
-logic.end6612:
-  %t584 = phi i1 [ false, %logic.from6610 ], [ %t583, %logic.rend6613 ]
-  br i1 %t584, label %then6614, label %endif6616
-then6614:
-  %t585 = load ptr, ptr %a1
-  %t586 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t587 = load { ptr, i64, i64 }, ptr %t586
-  store { ptr, i64, i64 } { ptr @.str.4366, i64 13, i64 0 }, ptr %a589
-  store { ptr, i64, i64 } %t587, ptr %a590
-  call void @finch_str_concat(ptr %a588, ptr %a589, ptr %a590)
-  %t591 = load { ptr, i64, i64 }, ptr %a588
-  store { ptr, i64, i64 } %t591, ptr %a593
-  store { ptr, i64, i64 } { ptr @.str.4367, i64 4, i64 0 }, ptr %a594
-  call void @finch_str_concat(ptr %a592, ptr %a593, ptr %a594)
-  %t595 = load { ptr, i64, i64 }, ptr %a592
-  %t596 = load ptr, ptr %a1
-  %t597 = load %S.ast.Type, ptr %a3
-  %t598 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t596, %S.ast.Type %t597)
-  store { ptr, i64, i64 } %t595, ptr %a600
-  store { ptr, i64, i64 } %t598, ptr %a601
-  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
-  %t602 = load { ptr, i64, i64 }, ptr %a599
-  %t603 = call { ptr, i64, i64 } @finch.gen.op(ptr %t585, { ptr, i64, i64 } %t602)
-  %t604 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t603, 0
-  %t605 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t605, ptr %a606
-  call void @finch.copy.S_ast_Type(ptr %a607, ptr %a606)
-  %t608 = load %S.ast.Type, ptr %a607
-  %t609 = insertvalue %S.gen.Val %t604, %S.ast.Type %t608, 1
-  ret %S.gen.Val %t609
-endif6616:
-  %t610 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t611 = load { ptr, i64, i64 }, ptr %t610
-  store { ptr, i64, i64 } %t611, ptr %a612
-  store { ptr, i64, i64 } { ptr @.str.4368, i64 3, i64 0 }, ptr %a613
-  %t614 = call i32 @finch_str_eq(ptr %a612, ptr %a613)
-  %t615 = icmp ne i32 %t614, 0
-  br label %logic.from6617
-logic.from6617:
-  br i1 %t615, label %logic.rhs6618, label %logic.end6619
-logic.rhs6618:
-  %t616 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t617 = load { ptr, i64, i64 }, ptr %t616
-  store { ptr, i64, i64 } %t617, ptr %a618
-  store { ptr, i64, i64 } { ptr @.str.4369, i64 3, i64 0 }, ptr %a619
-  %t620 = call i32 @finch_str_eq(ptr %a618, ptr %a619)
-  %t621 = icmp ne i32 %t620, 0
-  br label %logic.rend6620
-logic.rend6620:
-  br label %logic.end6619
-logic.end6619:
-  %t622 = phi i1 [ false, %logic.from6617 ], [ %t621, %logic.rend6620 ]
-  br i1 %t622, label %then6621, label %endif6623
-then6621:
-  %t623 = load ptr, ptr %a1
-  %t624 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t625 = load { ptr, i64, i64 }, ptr %t624
-  %t626 = extractvalue { ptr, i64, i64 } %t625, 1
-  %t627 = icmp uge i64 0, %t626
-  br i1 %t627, label %range6624, label %inrange6625
-range6624:
-  call void @finch_panic_index(ptr @.str.4370, i64 3678, i64 0, i64 %t626)
-  unreachable
-inrange6625:
-  %t628 = extractvalue { ptr, i64, i64 } %t625, 0
-  %t629 = getelementptr inbounds %S.ast.Node, ptr %t628, i64 0
-  %t630 = load %S.ast.Node, ptr %t629
-  call void @finch.gen.fail(ptr %t623, %S.ast.Node %t630, { ptr, i64, i64 } { ptr @.str.4371, i64 70, i64 0 })
-  br label %endif6623
-endif6623:
-  %t631 = load ptr, ptr %a1
-  %t632 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t633 = load { ptr, i64, i64 }, ptr %t632
-  %t634 = extractvalue { ptr, i64, i64 } %t633, 1
-  %t635 = icmp uge i64 0, %t634
-  br i1 %t635, label %range6626, label %inrange6627
-range6626:
-  call void @finch_panic_index(ptr @.str.4372, i64 3680, i64 0, i64 %t634)
-  unreachable
-inrange6627:
-  %t636 = extractvalue { ptr, i64, i64 } %t633, 0
-  %t637 = getelementptr inbounds %S.ast.Node, ptr %t636, i64 0
-  %t638 = load %S.ast.Node, ptr %t637
-  %t639 = load %S.ast.Type, ptr %a23
-  %t640 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t639)
-  store { ptr, i64, i64 } { ptr @.str.4373, i64 11, i64 0 }, ptr %a642
-  store { ptr, i64, i64 } %t640, ptr %a643
+  %t556 = load %S.ast.Type, ptr %a23
+  %t557 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t555, %S.ast.Type %t556)
+  store { ptr, i64, i64 } { ptr @.str.4528, i64 8, i64 0 }, ptr %a559
+  store { ptr, i64, i64 } %t557, ptr %a560
+  call void @finch_str_concat(ptr %a558, ptr %a559, ptr %a560)
+  store { ptr, i64, i64 } %t557, ptr %a561
+  call void @finch_str_drop(ptr %a561)
+  %t562 = load { ptr, i64, i64 }, ptr %a558
+  store { ptr, i64, i64 } %t562, ptr %a564
+  store { ptr, i64, i64 } { ptr @.str.4529, i64 1, i64 0 }, ptr %a565
+  call void @finch_str_concat(ptr %a563, ptr %a564, ptr %a565)
+  store { ptr, i64, i64 } %t562, ptr %a566
+  call void @finch_str_drop(ptr %a566)
+  %t567 = load { ptr, i64, i64 }, ptr %a563
+  %t568 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t569 = load { ptr, i64, i64 }, ptr %t568
+  store { ptr, i64, i64 } %t567, ptr %a571
+  store { ptr, i64, i64 } %t569, ptr %a572
+  call void @finch_str_concat(ptr %a570, ptr %a571, ptr %a572)
+  store { ptr, i64, i64 } %t567, ptr %a573
+  call void @finch_str_drop(ptr %a573)
+  %t574 = load { ptr, i64, i64 }, ptr %a570
+  store { ptr, i64, i64 } %t574, ptr %a576
+  store { ptr, i64, i64 } { ptr @.str.4530, i64 3, i64 0 }, ptr %a577
+  call void @finch_str_concat(ptr %a575, ptr %a576, ptr %a577)
+  store { ptr, i64, i64 } %t574, ptr %a578
+  call void @finch_str_drop(ptr %a578)
+  %t579 = load { ptr, i64, i64 }, ptr %a575
+  %t580 = call { ptr, i64, i64 } @finch.gen.op(ptr %t554, { ptr, i64, i64 } %t579)
+  store { ptr, i64, i64 } %t579, ptr %a581
+  call void @finch_str_drop(ptr %a581)
+  %t582 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t580, 0
+  %t583 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t583, ptr %a584
+  call void @finch.copy.S_ast_Type(ptr %a585, ptr %a584)
+  %t586 = load %S.ast.Type, ptr %a585
+  %t587 = insertvalue %S.gen.Val %t582, %S.ast.Type %t586, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t587
+endif6969:
+  %t588 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t589 = load { ptr, i64, i64 }, ptr %t588
+  store { ptr, i64, i64 } %t589, ptr %a590
+  store { ptr, i64, i64 } { ptr @.str.4531, i64 3, i64 0 }, ptr %a591
+  %t592 = call i32 @finch_str_eq(ptr %a590, ptr %a591)
+  %t593 = icmp ne i32 %t592, 0
+  br label %logic.from6970
+logic.from6970:
+  br i1 %t593, label %logic.rhs6971, label %logic.end6972
+logic.rhs6971:
+  %t594 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t595 = load { ptr, i64, i64 }, ptr %t594
+  store { ptr, i64, i64 } %t595, ptr %a596
+  store { ptr, i64, i64 } { ptr @.str.4532, i64 3, i64 0 }, ptr %a597
+  %t598 = call i32 @finch_str_eq(ptr %a596, ptr %a597)
+  %t599 = icmp ne i32 %t598, 0
+  br label %logic.from6973
+logic.from6973:
+  br i1 %t599, label %logic.end6975, label %logic.rhs6974
+logic.rhs6974:
+  %t600 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t601 = load { ptr, i64, i64 }, ptr %t600
+  store { ptr, i64, i64 } %t601, ptr %a602
+  store { ptr, i64, i64 } { ptr @.str.4533, i64 4, i64 0 }, ptr %a603
+  %t604 = call i32 @finch_str_eq(ptr %a602, ptr %a603)
+  %t605 = icmp ne i32 %t604, 0
+  br label %logic.rend6976
+logic.rend6976:
+  br label %logic.end6975
+logic.end6975:
+  %t606 = phi i1 [ true, %logic.from6973 ], [ %t605, %logic.rend6976 ]
+  br label %logic.rend6977
+logic.rend6977:
+  br label %logic.end6972
+logic.end6972:
+  %t607 = phi i1 [ false, %logic.from6970 ], [ %t606, %logic.rend6977 ]
+  br i1 %t607, label %then6978, label %endif6980
+then6978:
+  %t608 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t609 = load { ptr, i64, i64 }, ptr %t608
+  store { ptr, i64, i64 } %t609, ptr %a610
+  call void @finch_str_copy(ptr %a611, ptr %a610)
+  %t612 = load { ptr, i64, i64 }, ptr %a611
+  %t613 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t612, 0
+  %t614 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t614, ptr %a615
+  call void @finch.copy.S_ast_Type(ptr %a616, ptr %a615)
+  %t617 = load %S.ast.Type, ptr %a616
+  %t618 = insertvalue %S.gen.Val %t613, %S.ast.Type %t617, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t618
+endif6980:
+  %t619 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t620 = load { ptr, i64, i64 }, ptr %t619
+  store { ptr, i64, i64 } %t620, ptr %a621
+  store { ptr, i64, i64 } { ptr @.str.4534, i64 3, i64 0 }, ptr %a622
+  %t623 = call i32 @finch_str_eq(ptr %a621, ptr %a622)
+  %t624 = icmp ne i32 %t623, 0
+  br label %logic.from6981
+logic.from6981:
+  br i1 %t624, label %logic.rhs6982, label %logic.end6983
+logic.rhs6982:
+  %t625 = load %S.ast.Type, ptr %a23
+  %t626 = call i1 @finch.gen.isInt(%S.ast.Type %t625)
+  br label %logic.rend6984
+logic.rend6984:
+  br label %logic.end6983
+logic.end6983:
+  %t627 = phi i1 [ false, %logic.from6981 ], [ %t626, %logic.rend6984 ]
+  br i1 %t627, label %then6985, label %endif6987
+then6985:
+  %t628 = load ptr, ptr %a1
+  %t629 = load ptr, ptr %a1
+  %t630 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t631 = load { ptr, i64, i64 }, ptr %t630
+  %t632 = load %S.ast.Type, ptr %a23
+  %t633 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4536, i64 3, i64 0 })
+  %t634 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t629, { ptr, i64, i64 } %t631, %S.ast.Type %t632, %S.ast.Type %t633)
+  store %S.ast.Type %t633, ptr %a635
+  call void @finch.drop.S_ast_Type(ptr %a635)
+  store { ptr, i64, i64 } { ptr @.str.4535, i64 13, i64 0 }, ptr %a637
+  store { ptr, i64, i64 } %t634, ptr %a638
+  call void @finch_str_concat(ptr %a636, ptr %a637, ptr %a638)
+  store { ptr, i64, i64 } %t634, ptr %a639
+  call void @finch_str_drop(ptr %a639)
+  %t640 = load { ptr, i64, i64 }, ptr %a636
+  store { ptr, i64, i64 } %t640, ptr %a642
+  store { ptr, i64, i64 } { ptr @.str.4537, i64 7, i64 0 }, ptr %a643
   call void @finch_str_concat(ptr %a641, ptr %a642, ptr %a643)
-  %t644 = load { ptr, i64, i64 }, ptr %a641
-  store { ptr, i64, i64 } %t644, ptr %a646
-  store { ptr, i64, i64 } { ptr @.str.4374, i64 6, i64 0 }, ptr %a647
-  call void @finch_str_concat(ptr %a645, ptr %a646, ptr %a647)
-  %t648 = load { ptr, i64, i64 }, ptr %a645
-  %t649 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t650 = load { ptr, i64, i64 }, ptr %t649
-  store { ptr, i64, i64 } %t648, ptr %a652
-  store { ptr, i64, i64 } %t650, ptr %a653
-  call void @finch_str_concat(ptr %a651, ptr %a652, ptr %a653)
-  %t654 = load { ptr, i64, i64 }, ptr %a651
-  call void @finch.gen.fail(ptr %t631, %S.ast.Node %t638, { ptr, i64, i64 } %t654)
-  %t655 = load %S.gen.Val, ptr %a17
-  store %S.gen.Val %t655, ptr %a656
-  call void @finch.copy.S_gen_Val(ptr %a657, ptr %a656)
-  %t658 = load %S.gen.Val, ptr %a657
-  ret %S.gen.Val %t658
+  store { ptr, i64, i64 } %t640, ptr %a644
+  call void @finch_str_drop(ptr %a644)
+  %t645 = load { ptr, i64, i64 }, ptr %a641
+  %t646 = call { ptr, i64, i64 } @finch.gen.op(ptr %t628, { ptr, i64, i64 } %t645)
+  store { ptr, i64, i64 } %t645, ptr %a647
+  call void @finch_str_drop(ptr %a647)
+  %t648 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t646, 0
+  %t649 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t649, ptr %a650
+  call void @finch.copy.S_ast_Type(ptr %a651, ptr %a650)
+  %t652 = load %S.ast.Type, ptr %a651
+  %t653 = insertvalue %S.gen.Val %t648, %S.ast.Type %t652, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t653
+endif6987:
+  %t654 = load %S.ast.Type, ptr %a3
+  %t655 = call i1 @finch.gen.isInt(%S.ast.Type %t654)
+  br label %logic.from6988
+logic.from6988:
+  br i1 %t655, label %logic.rhs6989, label %logic.end6990
+logic.rhs6989:
+  %t656 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t657 = load { ptr, i64, i64 }, ptr %t656
+  store { ptr, i64, i64 } %t657, ptr %a658
+  store { ptr, i64, i64 } { ptr @.str.4538, i64 3, i64 0 }, ptr %a659
+  %t660 = call i32 @finch_str_eq(ptr %a658, ptr %a659)
+  %t661 = icmp ne i32 %t660, 0
+  br label %logic.rend6991
+logic.rend6991:
+  br label %logic.end6990
+logic.end6990:
+  %t662 = phi i1 [ false, %logic.from6988 ], [ %t661, %logic.rend6991 ]
+  br i1 %t662, label %then6992, label %endif6994
+then6992:
+  %t663 = load ptr, ptr %a1
+  %t664 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t665 = load { ptr, i64, i64 }, ptr %t664
+  store { ptr, i64, i64 } { ptr @.str.4539, i64 13, i64 0 }, ptr %a667
+  store { ptr, i64, i64 } %t665, ptr %a668
+  call void @finch_str_concat(ptr %a666, ptr %a667, ptr %a668)
+  %t669 = load { ptr, i64, i64 }, ptr %a666
+  store { ptr, i64, i64 } %t669, ptr %a671
+  store { ptr, i64, i64 } { ptr @.str.4540, i64 4, i64 0 }, ptr %a672
+  call void @finch_str_concat(ptr %a670, ptr %a671, ptr %a672)
+  store { ptr, i64, i64 } %t669, ptr %a673
+  call void @finch_str_drop(ptr %a673)
+  %t674 = load { ptr, i64, i64 }, ptr %a670
+  %t675 = load ptr, ptr %a1
+  %t676 = load %S.ast.Type, ptr %a3
+  %t677 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t675, %S.ast.Type %t676)
+  store { ptr, i64, i64 } %t674, ptr %a679
+  store { ptr, i64, i64 } %t677, ptr %a680
+  call void @finch_str_concat(ptr %a678, ptr %a679, ptr %a680)
+  store { ptr, i64, i64 } %t674, ptr %a681
+  call void @finch_str_drop(ptr %a681)
+  store { ptr, i64, i64 } %t677, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = load { ptr, i64, i64 }, ptr %a678
+  %t684 = call { ptr, i64, i64 } @finch.gen.op(ptr %t663, { ptr, i64, i64 } %t683)
+  store { ptr, i64, i64 } %t683, ptr %a685
+  call void @finch_str_drop(ptr %a685)
+  %t686 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t684, 0
+  %t687 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t687, ptr %a688
+  call void @finch.copy.S_ast_Type(ptr %a689, ptr %a688)
+  %t690 = load %S.ast.Type, ptr %a689
+  %t691 = insertvalue %S.gen.Val %t686, %S.ast.Type %t690, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t691
+endif6994:
+  %t692 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t693 = load { ptr, i64, i64 }, ptr %t692
+  store { ptr, i64, i64 } %t693, ptr %a694
+  store { ptr, i64, i64 } { ptr @.str.4541, i64 3, i64 0 }, ptr %a695
+  %t696 = call i32 @finch_str_eq(ptr %a694, ptr %a695)
+  %t697 = icmp ne i32 %t696, 0
+  br label %logic.from6995
+logic.from6995:
+  br i1 %t697, label %logic.rhs6996, label %logic.end6997
+logic.rhs6996:
+  %t698 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t699 = load { ptr, i64, i64 }, ptr %t698
+  store { ptr, i64, i64 } %t699, ptr %a700
+  store { ptr, i64, i64 } { ptr @.str.4542, i64 3, i64 0 }, ptr %a701
+  %t702 = call i32 @finch_str_eq(ptr %a700, ptr %a701)
+  %t703 = icmp ne i32 %t702, 0
+  br label %logic.rend6998
+logic.rend6998:
+  br label %logic.end6997
+logic.end6997:
+  %t704 = phi i1 [ false, %logic.from6995 ], [ %t703, %logic.rend6998 ]
+  br i1 %t704, label %then6999, label %endif7001
+then6999:
+  %t705 = load ptr, ptr %a1
+  %t706 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t707 = load { ptr, i64, i64 }, ptr %t706
+  %t708 = extractvalue { ptr, i64, i64 } %t707, 1
+  %t709 = icmp uge i64 0, %t708
+  br i1 %t709, label %range7002, label %inrange7003
+range7002:
+  call void @finch_panic_index(ptr @.str.4543, i64 3965, i64 0, i64 %t708)
+  unreachable
+inrange7003:
+  %t710 = extractvalue { ptr, i64, i64 } %t707, 0
+  %t711 = getelementptr inbounds %S.ast.Node, ptr %t710, i64 0
+  %t712 = load %S.ast.Node, ptr %t711
+  call void @finch.gen.fail(ptr %t705, %S.ast.Node %t712, { ptr, i64, i64 } { ptr @.str.4544, i64 70, i64 0 })
+  br label %endif7001
+endif7001:
+  %t713 = load ptr, ptr %a1
+  %t714 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t715 = load { ptr, i64, i64 }, ptr %t714
+  %t716 = extractvalue { ptr, i64, i64 } %t715, 1
+  %t717 = icmp uge i64 0, %t716
+  br i1 %t717, label %range7004, label %inrange7005
+range7004:
+  call void @finch_panic_index(ptr @.str.4545, i64 3967, i64 0, i64 %t716)
+  unreachable
+inrange7005:
+  %t718 = extractvalue { ptr, i64, i64 } %t715, 0
+  %t719 = getelementptr inbounds %S.ast.Node, ptr %t718, i64 0
+  %t720 = load %S.ast.Node, ptr %t719
+  %t721 = load %S.ast.Type, ptr %a23
+  %t722 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t721)
+  store { ptr, i64, i64 } { ptr @.str.4546, i64 11, i64 0 }, ptr %a724
+  store { ptr, i64, i64 } %t722, ptr %a725
+  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
+  store { ptr, i64, i64 } %t722, ptr %a726
+  call void @finch_str_drop(ptr %a726)
+  %t727 = load { ptr, i64, i64 }, ptr %a723
+  store { ptr, i64, i64 } %t727, ptr %a729
+  store { ptr, i64, i64 } { ptr @.str.4547, i64 6, i64 0 }, ptr %a730
+  call void @finch_str_concat(ptr %a728, ptr %a729, ptr %a730)
+  store { ptr, i64, i64 } %t727, ptr %a731
+  call void @finch_str_drop(ptr %a731)
+  %t732 = load { ptr, i64, i64 }, ptr %a728
+  %t733 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t734 = load { ptr, i64, i64 }, ptr %t733
+  store { ptr, i64, i64 } %t732, ptr %a736
+  store { ptr, i64, i64 } %t734, ptr %a737
+  call void @finch_str_concat(ptr %a735, ptr %a736, ptr %a737)
+  store { ptr, i64, i64 } %t732, ptr %a738
+  call void @finch_str_drop(ptr %a738)
+  %t739 = load { ptr, i64, i64 }, ptr %a735
+  call void @finch.gen.fail(ptr %t713, %S.ast.Node %t720, { ptr, i64, i64 } %t739)
+  store { ptr, i64, i64 } %t739, ptr %a740
+  call void @finch_str_drop(ptr %a740)
+  %t741 = load %S.gen.Val, ptr %a17
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  ret %S.gen.Val %t741
 }
 
 define internal i64 @finch.gen.sizeBytes(ptr %p0, %S.ast.Type %p1) {
@@ -59622,19 +70649,19 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4375, i64 6, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4548, i64 6, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br i1 %t8, label %then6628, label %endif6630
-then6628:
+  br i1 %t8, label %then7006, label %endif7008
+then7006:
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic6631, label %ok6632
-panic6631:
-  call void @finch_panic(ptr @.str.4376, i64 3713, ptr @.str.4377)
+  br i1 %t10, label %panic7009, label %ok7010
+panic7009:
+  call void @finch_panic(ptr @.str.4549, i64 4000, ptr @.str.4550)
   unreachable
-ok6632:
-  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 15
+ok7010:
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 16
   %t12 = load ptr, ptr %a1
   %t13 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t14 = load { ptr, i64, i64 }, ptr %t13
@@ -59644,25 +70671,25 @@ ok6632:
   %t18 = load { ptr, i64, i64 }, ptr %t11
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 %t17, %t19
-  br i1 %t20, label %range6633, label %inrange6634
-range6633:
-  call void @finch_panic_index(ptr @.str.4378, i64 3713, i64 %t17, i64 %t19)
+  br i1 %t20, label %range7011, label %inrange7012
+range7011:
+  call void @finch_panic_index(ptr @.str.4551, i64 4000, i64 %t17, i64 %t19)
   unreachable
-inrange6634:
+inrange7012:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.gen.StructDef, ptr %t21, i64 %t17
   %t23 = getelementptr inbounds %S.gen.StructDef, ptr %t22, i32 0, i32 9
   %t24 = load i64, ptr %t23
   ret i64 %t24
-endif6630:
+endif7008:
   %t25 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t26 = load { ptr, i64, i64 }, ptr %t25
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.4379, i64 5, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.4552, i64 5, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br i1 %t30, label %then6635, label %endif6637
-then6635:
+  br i1 %t30, label %then7013, label %endif7015
+then7013:
   %t31 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
   %t32 = load i64, ptr %t31
   %t33 = load ptr, ptr %a1
@@ -59670,83 +70697,83 @@ then6635:
   %t35 = load { ptr, i64, i64 }, ptr %t34
   %t36 = extractvalue { ptr, i64, i64 } %t35, 1
   %t37 = icmp uge i64 0, %t36
-  br i1 %t37, label %range6638, label %inrange6639
-range6638:
-  call void @finch_panic_index(ptr @.str.4380, i64 3716, i64 0, i64 %t36)
+  br i1 %t37, label %range7016, label %inrange7017
+range7016:
+  call void @finch_panic_index(ptr @.str.4553, i64 4003, i64 0, i64 %t36)
   unreachable
-inrange6639:
+inrange7017:
   %t38 = extractvalue { ptr, i64, i64 } %t35, 0
   %t39 = getelementptr inbounds %S.ast.Type, ptr %t38, i64 0
   %t40 = load %S.ast.Type, ptr %t39
   %t41 = call i64 @finch.gen.sizeBytes(ptr %t33, %S.ast.Type %t40)
   %t42 = mul i64 %t32, %t41
   ret i64 %t42
-endif6637:
+endif7015:
   %t43 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t44 = load { ptr, i64, i64 }, ptr %t43
   store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.4381, i64 3, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.4554, i64 3, i64 0 }, ptr %a46
   %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
   %t48 = icmp ne i32 %t47, 0
-  br label %logic.from6640
-logic.from6640:
-  br i1 %t48, label %logic.end6642, label %logic.rhs6641
-logic.rhs6641:
+  br label %logic.from7018
+logic.from7018:
+  br i1 %t48, label %logic.end7020, label %logic.rhs7019
+logic.rhs7019:
   %t49 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t50 = load { ptr, i64, i64 }, ptr %t49
   store { ptr, i64, i64 } %t50, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.4382, i64 3, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.4555, i64 3, i64 0 }, ptr %a52
   %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
   %t54 = icmp ne i32 %t53, 0
-  br label %logic.rend6643
-logic.rend6643:
-  br label %logic.end6642
-logic.end6642:
-  %t55 = phi i1 [ true, %logic.from6640 ], [ %t54, %logic.rend6643 ]
-  br i1 %t55, label %then6644, label %endif6646
-then6644:
+  br label %logic.rend7021
+logic.rend7021:
+  br label %logic.end7020
+logic.end7020:
+  %t55 = phi i1 [ true, %logic.from7018 ], [ %t54, %logic.rend7021 ]
+  br i1 %t55, label %then7022, label %endif7024
+then7022:
   ret i64 8
-endif6646:
+endif7024:
   %t56 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t57 = load { ptr, i64, i64 }, ptr %t56
   store { ptr, i64, i64 } %t57, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.4383, i64 5, i64 0 }, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.4556, i64 5, i64 0 }, ptr %a59
   %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
   %t61 = icmp ne i32 %t60, 0
-  br i1 %t61, label %then6647, label %endif6649
-then6647:
+  br i1 %t61, label %then7025, label %endif7027
+then7025:
   ret i64 8
-endif6649:
+endif7027:
   %t62 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t63 = load { ptr, i64, i64 }, ptr %t62
   store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.4384, i64 3, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.4557, i64 3, i64 0 }, ptr %a65
   %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
   %t67 = icmp ne i32 %t66, 0
-  br i1 %t67, label %then6650, label %endif6652
-then6650:
+  br i1 %t67, label %then7028, label %endif7030
+then7028:
   ret i64 4
-endif6652:
+endif7030:
   %t68 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t69 = load { ptr, i64, i64 }, ptr %t68
   store { ptr, i64, i64 } %t69, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.4385, i64 4, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.4558, i64 4, i64 0 }, ptr %a71
   %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
   %t73 = icmp ne i32 %t72, 0
-  br i1 %t73, label %then6653, label %endif6655
-then6653:
+  br i1 %t73, label %then7031, label %endif7033
+then7031:
   ret i64 1
-endif6655:
+endif7033:
   %t74 = load %S.ast.Type, ptr %a2
   %t75 = call i64 @finch.gen.bitsOf(%S.ast.Type %t74)
   %t76 = sdiv i64 %t75, 8
   ret i64 %t76
 }
 
-define internal void @finch.copy.arr_S_gen_Leaf(ptr %dst, ptr %src) {
+define internal void @finch.drop.arr_S_gen_Leaf(ptr %a) {
 entry:
 
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Leaf, ptr null, i32 1) to i64))
+  call void @finch_arr_free(ptr %a)
   ret void
 }
 
@@ -59774,8 +70801,6 @@ entry:
   %a120 = alloca %S.gen.Leaf, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -59783,19 +70808,19 @@ entry:
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.4386, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.4559, i64 6, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp ne i32 %t9, 0
-  br i1 %t10, label %then6656, label %else6657
-then6656:
+  br i1 %t10, label %then7034, label %else7035
+then7034:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic6659, label %ok6660
-panic6659:
-  call void @finch_panic(ptr @.str.4387, i64 3737, ptr @.str.4388)
+  br i1 %t12, label %panic7037, label %ok7038
+panic7037:
+  call void @finch_panic(ptr @.str.4560, i64 4024, ptr @.str.4561)
   unreachable
-ok6660:
-  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 15
+ok7038:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 16
   %t14 = load ptr, ptr %a1
   %t15 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t16 = load { ptr, i64, i64 }, ptr %t15
@@ -59805,11 +70830,11 @@ ok6660:
   %t20 = load { ptr, i64, i64 }, ptr %t13
   %t21 = extractvalue { ptr, i64, i64 } %t20, 1
   %t22 = icmp uge i64 %t19, %t21
-  br i1 %t22, label %range6661, label %inrange6662
-range6661:
-  call void @finch_panic_index(ptr @.str.4389, i64 3737, i64 %t19, i64 %t21)
+  br i1 %t22, label %range7039, label %inrange7040
+range7039:
+  call void @finch_panic_index(ptr @.str.4562, i64 4024, i64 %t19, i64 %t21)
   unreachable
-inrange6662:
+inrange7040:
   %t23 = extractvalue { ptr, i64, i64 } %t20, 0
   %t24 = getelementptr inbounds %S.gen.StructDef, ptr %t23, i64 %t19
   %t25 = load %S.gen.StructDef, ptr %t24
@@ -59821,23 +70846,23 @@ inrange6662:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
   %t32 = load i64, ptr %t31
   store i64 0, ptr %a33
-  br label %for.cond6663
-for.cond6663:
+  br label %for.cond7041
+for.cond7041:
   %t34 = load i64, ptr %a33
   %t35 = icmp slt i64 %t34, %t32
-  br i1 %t35, label %for.body6664, label %for.end6666
-for.body6664:
+  br i1 %t35, label %for.body7042, label %for.end7044
+for.body7042:
   %t36 = load ptr, ptr %a1
   %t37 = getelementptr inbounds %S.gen.StructDef, ptr %a29, i32 0, i32 12
   %t38 = load i64, ptr %a33
   %t39 = load { ptr, i64, i64 }, ptr %t37
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range6667, label %inrange6668
-range6667:
-  call void @finch_panic_index(ptr @.str.4390, i64 3739, i64 %t38, i64 %t40)
+  br i1 %t41, label %range7045, label %inrange7046
+range7045:
+  call void @finch_panic_index(ptr @.str.4563, i64 4026, i64 %t38, i64 %t40)
   unreachable
-inrange6668:
+inrange7046:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.ast.Type, ptr %t42, i64 %t38
   %t44 = load %S.ast.Type, ptr %t43
@@ -59847,11 +70872,11 @@ inrange6668:
   %t48 = load { ptr, i64, i64 }, ptr %t46
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range6669, label %inrange6670
-range6669:
-  call void @finch_panic_index(ptr @.str.4391, i64 3739, i64 %t47, i64 %t49)
+  br i1 %t50, label %range7047, label %inrange7048
+range7047:
+  call void @finch_panic_index(ptr @.str.4564, i64 4026, i64 %t47, i64 %t49)
   unreachable
-inrange6670:
+inrange7048:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds i64, ptr %t51, i64 %t47
   %t53 = load i64, ptr %t52
@@ -59859,14 +70884,14 @@ inrange6670:
   %t55 = call { ptr, i64, i64 } @finch.gen.leavesOf(ptr %t36, %S.ast.Type %t44, i64 %t54)
   store { ptr, i64, i64 } %t55, ptr %a56
   store i64 0, ptr %a57
-  br label %each.cond6671
-each.cond6671:
+  br label %each.cond7049
+each.cond7049:
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %a56, i32 0, i32 1
   %t59 = load i64, ptr %t58
   %t60 = load i64, ptr %a57
   %t61 = icmp slt i64 %t60, %t59
-  br i1 %t61, label %each.body6672, label %each.end6674
-each.body6672:
+  br i1 %t61, label %each.body7050, label %each.end7052
+each.body7050:
   %t62 = load ptr, ptr %a56
   %t63 = getelementptr inbounds %S.gen.Leaf, ptr %t62, i64 %t60
   %t64 = load %S.gen.Leaf, ptr %t63
@@ -59880,40 +70905,42 @@ each.body6672:
   %t71 = getelementptr inbounds %S.gen.Leaf, ptr %t70, i64 %t68
   store %S.gen.Leaf %t67, ptr %t71
   store i64 %t69, ptr %t66
-  br label %each.step6673
-each.step6673:
+  br label %each.step7051
+each.step7051:
   %t72 = load i64, ptr %a57
   %t73 = add i64 %t72, 1
   store i64 %t73, ptr %a57
-  br label %each.cond6671
-each.end6674:
-  br label %for.step6665
-for.step6665:
+  br label %each.cond7049
+each.end7052:
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a56)
+  br label %for.step7043
+for.step7043:
   %t74 = load i64, ptr %a33
   %t75 = add i64 %t74, 1
   store i64 %t75, ptr %a33
-  br label %for.cond6663
-for.end6666:
-  br label %endif6658
-else6657:
+  br label %for.cond7041
+for.end7044:
+  call void @finch.drop.S_gen_StructDef(ptr %a29)
+  br label %endif7036
+else7035:
   %t76 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t77 = load { ptr, i64, i64 }, ptr %t76
   store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.4392, i64 5, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4565, i64 5, i64 0 }, ptr %a79
   %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
   %t81 = icmp ne i32 %t80, 0
-  br i1 %t81, label %then6675, label %else6676
-then6675:
+  br i1 %t81, label %then7053, label %else7054
+then7053:
   %t82 = load ptr, ptr %a1
   %t83 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t84 = load { ptr, i64, i64 }, ptr %t83
   %t85 = extractvalue { ptr, i64, i64 } %t84, 1
   %t86 = icmp uge i64 0, %t85
-  br i1 %t86, label %range6678, label %inrange6679
-range6678:
-  call void @finch_panic_index(ptr @.str.4393, i64 3744, i64 0, i64 %t85)
+  br i1 %t86, label %range7056, label %inrange7057
+range7056:
+  call void @finch_panic_index(ptr @.str.4566, i64 4031, i64 0, i64 %t85)
   unreachable
-inrange6679:
+inrange7057:
   %t87 = extractvalue { ptr, i64, i64 } %t84, 0
   %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i64 0
   %t89 = load %S.ast.Type, ptr %t88
@@ -59922,22 +70949,22 @@ inrange6679:
   %t92 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
   %t93 = load i64, ptr %t92
   store i64 0, ptr %a94
-  br label %for.cond6680
-for.cond6680:
+  br label %for.cond7058
+for.cond7058:
   %t95 = load i64, ptr %a94
   %t96 = icmp slt i64 %t95, %t93
-  br i1 %t96, label %for.body6681, label %for.end6683
-for.body6681:
+  br i1 %t96, label %for.body7059, label %for.end7061
+for.body7059:
   %t97 = load ptr, ptr %a1
   %t98 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t99 = load { ptr, i64, i64 }, ptr %t98
   %t100 = extractvalue { ptr, i64, i64 } %t99, 1
   %t101 = icmp uge i64 0, %t100
-  br i1 %t101, label %range6684, label %inrange6685
-range6684:
-  call void @finch_panic_index(ptr @.str.4394, i64 3746, i64 0, i64 %t100)
+  br i1 %t101, label %range7062, label %inrange7063
+range7062:
+  call void @finch_panic_index(ptr @.str.4567, i64 4033, i64 0, i64 %t100)
   unreachable
-inrange6685:
+inrange7063:
   %t102 = extractvalue { ptr, i64, i64 } %t99, 0
   %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i64 0
   %t104 = load %S.ast.Type, ptr %t103
@@ -59949,14 +70976,14 @@ inrange6685:
   %t110 = call { ptr, i64, i64 } @finch.gen.leavesOf(ptr %t97, %S.ast.Type %t104, i64 %t109)
   store { ptr, i64, i64 } %t110, ptr %a111
   store i64 0, ptr %a112
-  br label %each.cond6686
-each.cond6686:
+  br label %each.cond7064
+each.cond7064:
   %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %a111, i32 0, i32 1
   %t114 = load i64, ptr %t113
   %t115 = load i64, ptr %a112
   %t116 = icmp slt i64 %t115, %t114
-  br i1 %t116, label %each.body6687, label %each.end6689
-each.body6687:
+  br i1 %t116, label %each.body7065, label %each.end7067
+each.body7065:
   %t117 = load ptr, ptr %a111
   %t118 = getelementptr inbounds %S.gen.Leaf, ptr %t117, i64 %t115
   %t119 = load %S.gen.Leaf, ptr %t118
@@ -59970,22 +70997,23 @@ each.body6687:
   %t126 = getelementptr inbounds %S.gen.Leaf, ptr %t125, i64 %t123
   store %S.gen.Leaf %t122, ptr %t126
   store i64 %t124, ptr %t121
-  br label %each.step6688
-each.step6688:
+  br label %each.step7066
+each.step7066:
   %t127 = load i64, ptr %a112
   %t128 = add i64 %t127, 1
   store i64 %t128, ptr %a112
-  br label %each.cond6686
-each.end6689:
-  br label %for.step6682
-for.step6682:
+  br label %each.cond7064
+each.end7067:
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a111)
+  br label %for.step7060
+for.step7060:
   %t129 = load i64, ptr %a94
   %t130 = add i64 %t129, 1
   store i64 %t130, ptr %a94
-  br label %for.cond6680
-for.end6683:
-  br label %endif6677
-else6676:
+  br label %for.cond7058
+for.end7061:
+  br label %endif7055
+else7054:
   %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
   %t132 = load i64, ptr %a3
   %t133 = insertvalue %S.gen.Leaf zeroinitializer, i64 %t132, 0
@@ -59999,7 +71027,7 @@ else6676:
   %t141 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t142 = load { ptr, i64, i64 }, ptr %t141
   store { ptr, i64, i64 } %t142, ptr %a143
-  store { ptr, i64, i64 } { ptr @.str.4395, i64 5, i64 0 }, ptr %a144
+  store { ptr, i64, i64 } { ptr @.str.4568, i64 5, i64 0 }, ptr %a144
   %t145 = call i32 @finch_str_eq(ptr %a143, ptr %a144)
   %t146 = icmp ne i32 %t145, 0
   %t147 = insertvalue %S.gen.Leaf %t140, i1 %t146, 3
@@ -60010,15 +71038,12 @@ else6676:
   %t151 = getelementptr inbounds %S.gen.Leaf, ptr %t150, i64 %t148
   store %S.gen.Leaf %t147, ptr %t151
   store i64 %t149, ptr %t131
-  br label %endif6677
-endif6677:
-  br label %endif6658
-endif6658:
+  br label %endif7055
+endif7055:
+  br label %endif7036
+endif7036:
   %t152 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t152, ptr %a153
-  call void @finch.copy.arr_S_gen_Leaf(ptr %a154, ptr %a153)
-  %t155 = load { ptr, i64, i64 }, ptr %a154
-  ret { ptr, i64, i64 } %t155
+  ret { ptr, i64, i64 } %t152
 }
 
 define internal void @finch.copy.S_gen_Abi(ptr %dst, ptr %src) {
@@ -60053,42 +71078,51 @@ entry:
   %a23 = alloca i64, align 16
   %a31 = alloca %S.gen.Leaf, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca i64, align 16
-  %a94 = alloca %S.gen.Leaf, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca i64, align 16
+  %a102 = alloca %S.gen.Leaf, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca %S.gen.Abi, align 16
-  %a121 = alloca %S.gen.Abi, align 16
-  %a127 = alloca %S.gen.Abi, align 16
-  %a128 = alloca %S.gen.Abi, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca %S.gen.Abi, align 16
-  %a166 = alloca %S.gen.Abi, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.gen.Abi %p2, ptr %a3
@@ -60106,28 +71140,28 @@ entry:
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp sgt i64 %t16, 0
-  br label %logic.from6690
-logic.from6690:
-  br i1 %t17, label %logic.rhs6691, label %logic.end6692
-logic.rhs6691:
+  br label %logic.from7068
+logic.from7068:
+  br i1 %t17, label %logic.rhs7069, label %logic.end7070
+logic.rhs7069:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp sle i64 %t19, 4
-  br label %logic.rend6693
-logic.rend6693:
-  br label %logic.end6692
-logic.end6692:
-  %t21 = phi i1 [ false, %logic.from6690 ], [ %t20, %logic.rend6693 ]
+  br label %logic.rend7071
+logic.rend7071:
+  br label %logic.end7070
+logic.end7070:
+  %t21 = phi i1 [ false, %logic.from7068 ], [ %t20, %logic.rend7071 ]
   store i1 %t21, ptr %a22
   store i64 0, ptr %a23
-  br label %each.cond6694
-each.cond6694:
+  br label %each.cond7072
+each.cond7072:
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t25 = load i64, ptr %t24
   %t26 = load i64, ptr %a23
   %t27 = icmp slt i64 %t26, %t25
-  br i1 %t27, label %each.body6695, label %each.end6697
-each.body6695:
+  br i1 %t27, label %each.body7073, label %each.end7075
+each.body7073:
   %t28 = load ptr, ptr %a14
   %t29 = getelementptr inbounds %S.gen.Leaf, ptr %t28, i64 %t26
   %t30 = load %S.gen.Leaf, ptr %t29
@@ -60135,224 +71169,270 @@ each.body6695:
   %t32 = getelementptr inbounds %S.gen.Leaf, ptr %a31, i32 0, i32 2
   %t33 = load i1, ptr %t32
   %t34 = xor i1 %t33, true
-  br label %logic.from6698
-logic.from6698:
-  br i1 %t34, label %logic.end6700, label %logic.rhs6699
-logic.rhs6699:
+  br label %logic.from7076
+logic.from7076:
+  br i1 %t34, label %logic.end7078, label %logic.rhs7077
+logic.rhs7077:
   %t35 = getelementptr inbounds %S.gen.Leaf, ptr %a31, i32 0, i32 3
   %t36 = load i1, ptr %t35
   %t37 = load { ptr, i64, i64 }, ptr %a14
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 0, %t38
-  br i1 %t39, label %range6701, label %inrange6702
-range6701:
-  call void @finch_panic_index(ptr @.str.4396, i64 3763, i64 0, i64 %t38)
+  br i1 %t39, label %range7079, label %inrange7080
+range7079:
+  call void @finch_panic_index(ptr @.str.4569, i64 4050, i64 0, i64 %t38)
   unreachable
-inrange6702:
+inrange7080:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.gen.Leaf, ptr %t40, i64 0
   %t42 = getelementptr inbounds %S.gen.Leaf, ptr %t41, i32 0, i32 3
   %t43 = load i1, ptr %t42
   %t44 = icmp ne i1 %t36, %t43
-  br label %logic.rend6703
-logic.rend6703:
-  br label %logic.end6700
-logic.end6700:
-  %t45 = phi i1 [ true, %logic.from6698 ], [ %t44, %logic.rend6703 ]
-  br i1 %t45, label %then6704, label %endif6706
-then6704:
+  br label %logic.rend7081
+logic.rend7081:
+  br label %logic.end7078
+logic.end7078:
+  %t45 = phi i1 [ true, %logic.from7076 ], [ %t44, %logic.rend7081 ]
+  br i1 %t45, label %then7082, label %endif7084
+then7082:
   store i1 false, ptr %a22
-  br label %endif6706
-endif6706:
-  br label %each.step6696
-each.step6696:
+  br label %endif7084
+endif7084:
+  br label %each.step7074
+each.step7074:
   %t46 = load i64, ptr %a23
   %t47 = add i64 %t46, 1
   store i64 %t47, ptr %a23
-  br label %each.cond6694
-each.end6697:
+  br label %each.cond7072
+each.end7075:
   %t48 = load i1, ptr %a22
-  br i1 %t48, label %then6707, label %endif6709
-then6707:
-  store { ptr, i64, i64 } { ptr @.str.4397, i64 5, i64 0 }, ptr %a49
+  br i1 %t48, label %then7085, label %endif7087
+then7085:
+  store { ptr, i64, i64 } { ptr @.str.4570, i64 5, i64 0 }, ptr %a49
   %t50 = load { ptr, i64, i64 }, ptr %a14
   %t51 = extractvalue { ptr, i64, i64 } %t50, 1
   %t52 = icmp uge i64 0, %t51
-  br i1 %t52, label %range6710, label %inrange6711
-range6710:
-  call void @finch_panic_index(ptr @.str.4398, i64 3769, i64 0, i64 %t51)
+  br i1 %t52, label %range7088, label %inrange7089
+range7088:
+  call void @finch_panic_index(ptr @.str.4571, i64 4056, i64 0, i64 %t51)
   unreachable
-inrange6711:
+inrange7089:
   %t53 = extractvalue { ptr, i64, i64 } %t50, 0
   %t54 = getelementptr inbounds %S.gen.Leaf, ptr %t53, i64 0
   %t55 = getelementptr inbounds %S.gen.Leaf, ptr %t54, i32 0, i32 3
   %t56 = load i1, ptr %t55
-  br i1 %t56, label %then6712, label %endif6714
-then6712:
-  store { ptr, i64, i64 } { ptr @.str.4399, i64 6, i64 0 }, ptr %a49
-  br label %endif6714
-endif6714:
-  %t57 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4400, i64 6, i64 0 }, ptr %t57
-  %t58 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i32 0, i32 1
-  %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t61 = load i64, ptr %t60
-  call void @finch_str_from_int(ptr %a62, i64 %t61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.4401, i64 1, i64 0 }, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.4402, i64 3, i64 0 }, ptr %a70
+  br i1 %t56, label %then7090, label %endif7092
+then7090:
+  %t57 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.4572, i64 6, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } %t57, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  br label %endif7092
+endif7092:
+  %t59 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  store { ptr, i64, i64 } { ptr @.str.4573, i64 6, i64 0 }, ptr %t59
+  store { ptr, i64, i64 } %t60, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t62, i32 0, i32 1
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t65 = load i64, ptr %t64
+  call void @finch_str_from_int(ptr %a66, i64 %t65)
+  %t67 = load { ptr, i64, i64 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4574, i64 1, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } %t67, ptr %a70
   call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t71, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.4575, i64 3, i64 0 }, ptr %a75
   call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  store { ptr, i64, i64 } %t76, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.4403, i64 1, i64 0 }, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = load i64, ptr %t59
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %t58, i64 %t82, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %t58
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  store { ptr, i64, i64 } %t80, ptr %t84
-  store i64 %t82, ptr %t59
-  store { ptr, i64, i64 } zeroinitializer, ptr %a85
-  store i64 0, ptr %a86
-  br label %each.cond6715
-each.cond6715:
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t88 = load i64, ptr %t87
-  %t89 = load i64, ptr %a86
-  %t90 = icmp slt i64 %t89, %t88
-  br i1 %t90, label %each.body6716, label %each.end6718
-each.body6716:
-  %t91 = load ptr, ptr %a14
-  %t92 = getelementptr inbounds %S.gen.Leaf, ptr %t91, i64 %t89
-  %t93 = load %S.gen.Leaf, ptr %t92
-  store %S.gen.Leaf %t93, ptr %a94
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a85, i32 0, i32 1
-  %t96 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t96, ptr %a97
-  call void @finch_str_copy(ptr %a98, ptr %a97)
-  %t99 = load { ptr, i64, i64 }, ptr %a98
-  %t100 = load i64, ptr %t95
-  %t101 = add i64 %t100, 1
-  call void @finch_arr_reserve(ptr %a85, i64 %t101, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t102 = load ptr, ptr %a85
-  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i64 %t100
-  store { ptr, i64, i64 } %t99, ptr %t103
-  store i64 %t101, ptr %t95
-  br label %each.step6717
-each.step6717:
-  %t104 = load i64, ptr %a86
-  %t105 = add i64 %t104, 1
-  store i64 %t105, ptr %a86
-  br label %each.cond6715
-each.end6718:
-  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %a85, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4405, i64 2, i64 0 }, ptr %a107
-  call void @finch_str_join(ptr %a108, ptr %a85, ptr %a107)
-  %t109 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } { ptr @.str.4404, i64 2, i64 0 }, ptr %a111
-  store { ptr, i64, i64 } %t109, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t113, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.4406, i64 2, i64 0 }, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } %t117, ptr %t118
-  %t119 = load %S.gen.Abi, ptr %a10
-  store %S.gen.Abi %t119, ptr %a120
-  call void @finch.copy.S_gen_Abi(ptr %a121, ptr %a120)
-  %t122 = load %S.gen.Abi, ptr %a121
-  ret %S.gen.Abi %t122
-endif6709:
-  %t123 = load i64, ptr %a4
-  %t124 = icmp sgt i64 %t123, 16
-  br i1 %t124, label %then6719, label %endif6721
-then6719:
-  %t125 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4407, i64 8, i64 0 }, ptr %t125
-  %t126 = load %S.gen.Abi, ptr %a10
-  store %S.gen.Abi %t126, ptr %a127
-  call void @finch.copy.S_gen_Abi(ptr %a128, ptr %a127)
-  %t129 = load %S.gen.Abi, ptr %a128
-  ret %S.gen.Abi %t129
-endif6721:
-  %t130 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4408, i64 6, i64 0 }, ptr %t130
-  %t131 = load i64, ptr %a5
-  %t132 = icmp sge i64 %t131, 16
-  br i1 %t132, label %then6722, label %else6723
-then6722:
-  %t133 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
-  %t135 = load i64, ptr %t134
-  %t136 = add i64 %t135, 1
-  call void @finch_arr_reserve(ptr %t133, i64 %t136, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t137 = load ptr, ptr %t133
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i64 %t135
-  store { ptr, i64, i64 } { ptr @.str.4409, i64 4, i64 0 }, ptr %t138
-  store i64 %t136, ptr %t134
-  %t139 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4410, i64 4, i64 0 }, ptr %t139
-  br label %endif6724
-else6723:
-  %t140 = load i64, ptr %a4
-  %t141 = icmp sle i64 %t140, 8
-  br i1 %t141, label %then6725, label %else6726
-then6725:
-  %t142 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i32 0, i32 1
-  %t144 = load i64, ptr %t143
-  %t145 = add i64 %t144, 1
-  call void @finch_arr_reserve(ptr %t142, i64 %t145, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t146 = load ptr, ptr %t142
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i64 %t144
-  store { ptr, i64, i64 } { ptr @.str.4411, i64 3, i64 0 }, ptr %t147
-  store i64 %t145, ptr %t143
-  %t148 = load i64, ptr %a4
-  %t149 = mul i64 %t148, 8
-  call void @finch_str_from_int(ptr %a150, i64 %t149)
-  %t151 = load { ptr, i64, i64 }, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.4412, i64 1, i64 0 }, ptr %a153
-  store { ptr, i64, i64 } %t151, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  %t156 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } %t155, ptr %t156
-  br label %endif6727
-else6726:
-  %t157 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t157, i32 0, i32 1
-  %t159 = load i64, ptr %t158
-  %t160 = add i64 %t159, 1
-  call void @finch_arr_reserve(ptr %t157, i64 %t160, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t161 = load ptr, ptr %t157
-  %t162 = getelementptr inbounds { ptr, i64, i64 }, ptr %t161, i64 %t159
-  store { ptr, i64, i64 } { ptr @.str.4413, i64 9, i64 0 }, ptr %t162
-  store i64 %t160, ptr %t158
-  %t163 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4414, i64 9, i64 0 }, ptr %t163
-  br label %endif6727
-endif6727:
-  br label %endif6724
-endif6724:
-  %t164 = load %S.gen.Abi, ptr %a10
-  store %S.gen.Abi %t164, ptr %a165
-  call void @finch.copy.S_gen_Abi(ptr %a166, ptr %a165)
-  %t167 = load %S.gen.Abi, ptr %a166
-  ret %S.gen.Abi %t167
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t77, ptr %a80
+  store { ptr, i64, i64 } %t78, ptr %a81
+  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.4576, i64 1, i64 0 }, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  %t89 = load i64, ptr %t63
+  %t90 = add i64 %t89, 1
+  call void @finch_arr_reserve(ptr %t62, i64 %t90, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t91 = load ptr, ptr %t62
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 %t89
+  store { ptr, i64, i64 } %t88, ptr %t92
+  store i64 %t90, ptr %t63
+  store { ptr, i64, i64 } zeroinitializer, ptr %a93
+  store i64 0, ptr %a94
+  br label %each.cond7093
+each.cond7093:
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t96 = load i64, ptr %t95
+  %t97 = load i64, ptr %a94
+  %t98 = icmp slt i64 %t97, %t96
+  br i1 %t98, label %each.body7094, label %each.end7096
+each.body7094:
+  %t99 = load ptr, ptr %a14
+  %t100 = getelementptr inbounds %S.gen.Leaf, ptr %t99, i64 %t97
+  %t101 = load %S.gen.Leaf, ptr %t100
+  store %S.gen.Leaf %t101, ptr %a102
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %a93, i32 0, i32 1
+  %t104 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t104, ptr %a105
+  call void @finch_str_copy(ptr %a106, ptr %a105)
+  %t107 = load { ptr, i64, i64 }, ptr %a106
+  %t108 = load i64, ptr %t103
+  %t109 = add i64 %t108, 1
+  call void @finch_arr_reserve(ptr %a93, i64 %t109, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t110 = load ptr, ptr %a93
+  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i64 %t108
+  store { ptr, i64, i64 } %t107, ptr %t111
+  store i64 %t109, ptr %t103
+  br label %each.step7095
+each.step7095:
+  %t112 = load i64, ptr %a94
+  %t113 = add i64 %t112, 1
+  store i64 %t113, ptr %a94
+  br label %each.cond7093
+each.end7096:
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %a93, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4578, i64 2, i64 0 }, ptr %a115
+  call void @finch_str_join(ptr %a116, ptr %a93, ptr %a115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.4577, i64 2, i64 0 }, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t122, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.4579, i64 2, i64 0 }, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a123
+  %t128 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  store { ptr, i64, i64 } %t127, ptr %t128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load %S.gen.Abi, ptr %a10
+  call void @finch.drop.arr_str(ptr %a93)
+  call void @finch_str_drop(ptr %a49)
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a14)
+  ret %S.gen.Abi %t131
+endif7087:
+  %t132 = load i64, ptr %a4
+  %t133 = icmp sgt i64 %t132, 16
+  br i1 %t133, label %then7097, label %endif7099
+then7097:
+  %t134 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  store { ptr, i64, i64 } { ptr @.str.4580, i64 8, i64 0 }, ptr %t134
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load %S.gen.Abi, ptr %a10
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a14)
+  ret %S.gen.Abi %t137
+endif7099:
+  %t138 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
+  %t139 = load { ptr, i64, i64 }, ptr %t138
+  store { ptr, i64, i64 } { ptr @.str.4581, i64 6, i64 0 }, ptr %t138
+  store { ptr, i64, i64 } %t139, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load i64, ptr %a5
+  %t142 = icmp sge i64 %t141, 16
+  br i1 %t142, label %then7100, label %else7101
+then7100:
+  %t143 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t143, i32 0, i32 1
+  %t145 = load i64, ptr %t144
+  %t146 = add i64 %t145, 1
+  call void @finch_arr_reserve(ptr %t143, i64 %t146, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t147 = load ptr, ptr %t143
+  %t148 = getelementptr inbounds { ptr, i64, i64 }, ptr %t147, i64 %t145
+  store { ptr, i64, i64 } { ptr @.str.4582, i64 4, i64 0 }, ptr %t148
+  store i64 %t146, ptr %t144
+  %t149 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t150 = load { ptr, i64, i64 }, ptr %t149
+  store { ptr, i64, i64 } { ptr @.str.4583, i64 4, i64 0 }, ptr %t149
+  store { ptr, i64, i64 } %t150, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  br label %endif7102
+else7101:
+  %t152 = load i64, ptr %a4
+  %t153 = icmp sle i64 %t152, 8
+  br i1 %t153, label %then7103, label %else7104
+then7103:
+  %t154 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i32 0, i32 1
+  %t156 = load i64, ptr %t155
+  %t157 = add i64 %t156, 1
+  call void @finch_arr_reserve(ptr %t154, i64 %t157, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t158 = load ptr, ptr %t154
+  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %t158, i64 %t156
+  store { ptr, i64, i64 } { ptr @.str.4584, i64 3, i64 0 }, ptr %t159
+  store i64 %t157, ptr %t155
+  %t160 = load i64, ptr %a4
+  %t161 = mul i64 %t160, 8
+  call void @finch_str_from_int(ptr %a162, i64 %t161)
+  %t163 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.4585, i64 1, i64 0 }, ptr %a165
+  store { ptr, i64, i64 } %t163, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t163, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  %t169 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t168, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  br label %endif7105
+else7104:
+  %t172 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i32 0, i32 1
+  %t174 = load i64, ptr %t173
+  %t175 = add i64 %t174, 1
+  call void @finch_arr_reserve(ptr %t172, i64 %t175, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t176 = load ptr, ptr %t172
+  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 %t174
+  store { ptr, i64, i64 } { ptr @.str.4586, i64 9, i64 0 }, ptr %t177
+  store i64 %t175, ptr %t173
+  %t178 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t179 = load { ptr, i64, i64 }, ptr %t178
+  store { ptr, i64, i64 } { ptr @.str.4587, i64 9, i64 0 }, ptr %t178
+  store { ptr, i64, i64 } %t179, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  br label %endif7105
+endif7105:
+  br label %endif7102
+endif7102:
+  %t181 = load %S.gen.Abi, ptr %a10
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a14)
+  ret %S.gen.Abi %t181
+}
+
+define internal void @finch.drop.S_gen_Abi(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Abi, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Abi, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Abi, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
 }
 
 define internal %S.gen.Abi @finch.gen.classify(ptr %p0, %S.ast.Type %p1) {
@@ -60362,22 +71442,21 @@ entry:
   %a4 = alloca %S.gen.Abi, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca %S.gen.Abi, align 16
-  %a13 = alloca %S.gen.Abi, align 16
+  %a27 = alloca %S.gen.StructDef, align 16
+  %a28 = alloca %S.gen.StructDef, align 16
   %a30 = alloca %S.gen.StructDef, align 16
-  %a31 = alloca %S.gen.StructDef, align 16
-  %a33 = alloca %S.gen.StructDef, align 16
-  %a36 = alloca i64, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca i64, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca %S.gen.Abi, align 16
-  %a101 = alloca %S.gen.Abi, align 16
-  %a110 = alloca %S.gen.Abi, align 16
-  %a111 = alloca %S.gen.Abi, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca i64, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
@@ -60385,188 +71464,195 @@ entry:
   %a137 = alloca i64, align 16
   %a145 = alloca %S.gen.Leaf, align 16
   %a148 = alloca i64, align 16
-  %a159 = alloca %S.gen.Abi, align 16
-  %a160 = alloca %S.gen.Abi, align 16
-  %a165 = alloca i64, align 16
-  %a202 = alloca i64, align 16
-  %a209 = alloca i64, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca i64, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca i64, align 16
+  %a210 = alloca i64, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
   %a285 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca %S.gen.Abi, align 16
-  %a294 = alloca %S.gen.Abi, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
-  %t3 = insertvalue %S.gen.Abi zeroinitializer, { ptr, i64, i64 } { ptr @.str.4415, i64 6, i64 0 }, 0
+  %t3 = insertvalue %S.gen.Abi zeroinitializer, { ptr, i64, i64 } { ptr @.str.4588, i64 6, i64 0 }, 0
   store %S.gen.Abi %t3, ptr %a4
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.4416, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.4589, i64 6, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp eq i32 %t9, 0
-  br i1 %t10, label %then6728, label %endif6730
-then6728:
+  br i1 %t10, label %then7106, label %endif7108
+then7106:
   %t11 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t11, ptr %a12
-  call void @finch.copy.S_gen_Abi(ptr %a13, ptr %a12)
-  %t14 = load %S.gen.Abi, ptr %a13
-  ret %S.gen.Abi %t14
-endif6730:
+  ret %S.gen.Abi %t11
+endif7108:
+  %t12 = load ptr, ptr %a1
+  %t13 = icmp eq ptr %t12, null
+  br i1 %t13, label %panic7109, label %ok7110
+panic7109:
+  call void @finch_panic(ptr @.str.4590, i64 4091, ptr @.str.4591)
+  unreachable
+ok7110:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 16
   %t15 = load ptr, ptr %a1
-  %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic6731, label %ok6732
-panic6731:
-  call void @finch_panic(ptr @.str.4417, i64 3804, ptr @.str.4418)
+  %t16 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t17 = load { ptr, i64, i64 }, ptr %t16
+  %t18 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t19 = load { ptr, i64, i64 }, ptr %t18
+  %t20 = call i64 @finch.gen.findStruct(ptr %t15, { ptr, i64, i64 } %t17, { ptr, i64, i64 } %t19)
+  %t21 = load { ptr, i64, i64 }, ptr %t14
+  %t22 = extractvalue { ptr, i64, i64 } %t21, 1
+  %t23 = icmp uge i64 %t20, %t22
+  br i1 %t23, label %range7111, label %inrange7112
+range7111:
+  call void @finch_panic_index(ptr @.str.4592, i64 4091, i64 %t20, i64 %t22)
   unreachable
-ok6732:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 15
-  %t18 = load ptr, ptr %a1
-  %t19 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t20 = load { ptr, i64, i64 }, ptr %t19
-  %t21 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t22 = load { ptr, i64, i64 }, ptr %t21
-  %t23 = call i64 @finch.gen.findStruct(ptr %t18, { ptr, i64, i64 } %t20, { ptr, i64, i64 } %t22)
-  %t24 = load { ptr, i64, i64 }, ptr %t17
-  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
-  %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range6733, label %inrange6734
-range6733:
-  call void @finch_panic_index(ptr @.str.4419, i64 3804, i64 %t23, i64 %t25)
-  unreachable
-inrange6734:
-  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
-  %t28 = getelementptr inbounds %S.gen.StructDef, ptr %t27, i64 %t23
-  %t29 = load %S.gen.StructDef, ptr %t28
+inrange7112:
+  %t24 = extractvalue { ptr, i64, i64 } %t21, 0
+  %t25 = getelementptr inbounds %S.gen.StructDef, ptr %t24, i64 %t20
+  %t26 = load %S.gen.StructDef, ptr %t25
+  store %S.gen.StructDef %t26, ptr %a27
+  call void @finch.copy.S_gen_StructDef(ptr %a28, ptr %a27)
+  %t29 = load %S.gen.StructDef, ptr %a28
   store %S.gen.StructDef %t29, ptr %a30
-  call void @finch.copy.S_gen_StructDef(ptr %a31, ptr %a30)
-  %t32 = load %S.gen.StructDef, ptr %a31
-  store %S.gen.StructDef %t32, ptr %a33
-  %t34 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 9
-  %t35 = load i64, ptr %t34
-  store i64 %t35, ptr %a36
-  %t37 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
-  store i64 8, ptr %t37
-  %t38 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 10
+  %t31 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 9
+  %t32 = load i64, ptr %t31
+  store i64 %t32, ptr %a33
+  %t34 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
+  store i64 8, ptr %t34
+  %t35 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 10
+  %t36 = load i64, ptr %t35
+  %t37 = icmp sgt i64 %t36, 8
+  br i1 %t37, label %then7113, label %endif7115
+then7113:
+  %t38 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 10
   %t39 = load i64, ptr %t38
-  %t40 = icmp sgt i64 %t39, 8
-  br i1 %t40, label %then6735, label %endif6737
-then6735:
-  %t41 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 10
-  %t42 = load i64, ptr %t41
-  %t43 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
-  store i64 %t42, ptr %t43
-  br label %endif6737
-endif6737:
-  %t44 = load ptr, ptr %a1
-  %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic6738, label %ok6739
-panic6738:
-  call void @finch_panic(ptr @.str.4420, i64 3810, ptr @.str.4421)
+  %t40 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
+  store i64 %t39, ptr %t40
+  br label %endif7115
+endif7115:
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic7116, label %ok7117
+panic7116:
+  call void @finch_panic(ptr @.str.4593, i64 4097, ptr @.str.4594)
   unreachable
-ok6739:
-  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 29
-  %t47 = getelementptr inbounds %S.platform.Target, ptr %t46, i32 0, i32 4
-  %t48 = load i1, ptr %t47
-  br i1 %t48, label %then6740, label %endif6742
-then6740:
-  %t49 = load ptr, ptr %a1
-  %t50 = load %S.ast.Type, ptr %a2
-  %t51 = load %S.gen.Abi, ptr %a4
-  %t52 = load i64, ptr %a36
-  %t53 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 10
-  %t54 = load i64, ptr %t53
-  %t55 = call %S.gen.Abi @finch.gen.classifyArm64(ptr %t49, %S.ast.Type %t50, %S.gen.Abi %t51, i64 %t52, i64 %t54)
-  ret %S.gen.Abi %t55
-endif6742:
-  %t56 = load ptr, ptr %a1
-  %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic6743, label %ok6744
-panic6743:
-  call void @finch_panic(ptr @.str.4422, i64 3813, ptr @.str.4423)
+ok7117:
+  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 30
+  %t44 = getelementptr inbounds %S.platform.Target, ptr %t43, i32 0, i32 4
+  %t45 = load i1, ptr %t44
+  br i1 %t45, label %then7118, label %endif7120
+then7118:
+  %t46 = load ptr, ptr %a1
+  %t47 = load %S.ast.Type, ptr %a2
+  %t48 = load %S.gen.Abi, ptr %a4
+  %t49 = load i64, ptr %a33
+  %t50 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 10
+  %t51 = load i64, ptr %t50
+  %t52 = call %S.gen.Abi @finch.gen.classifyArm64(ptr %t46, %S.ast.Type %t47, %S.gen.Abi %t48, i64 %t49, i64 %t51)
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  call void @finch.drop.S_gen_Abi(ptr %a4)
+  ret %S.gen.Abi %t52
+endif7120:
+  %t53 = load ptr, ptr %a1
+  %t54 = icmp eq ptr %t53, null
+  br i1 %t54, label %panic7121, label %ok7122
+panic7121:
+  call void @finch_panic(ptr @.str.4595, i64 4100, ptr @.str.4596)
   unreachable
-ok6744:
-  %t58 = getelementptr inbounds %S.gen.Gen, ptr %t56, i32 0, i32 29
-  %t59 = getelementptr inbounds %S.platform.Target, ptr %t58, i32 0, i32 1
-  %t60 = load i1, ptr %t59
-  br i1 %t60, label %then6745, label %endif6747
-then6745:
-  %t61 = load i64, ptr %a36
-  %t62 = icmp eq i64 %t61, 1
-  br label %logic.from6748
-logic.from6748:
-  br i1 %t62, label %logic.end6750, label %logic.rhs6749
-logic.rhs6749:
-  %t63 = load i64, ptr %a36
-  %t64 = icmp eq i64 %t63, 2
-  br label %logic.rend6751
-logic.rend6751:
-  br label %logic.end6750
-logic.end6750:
-  %t65 = phi i1 [ true, %logic.from6748 ], [ %t64, %logic.rend6751 ]
-  br label %logic.from6752
-logic.from6752:
-  br i1 %t65, label %logic.end6754, label %logic.rhs6753
-logic.rhs6753:
-  %t66 = load i64, ptr %a36
-  %t67 = icmp eq i64 %t66, 4
-  br label %logic.rend6755
-logic.rend6755:
-  br label %logic.end6754
-logic.end6754:
-  %t68 = phi i1 [ true, %logic.from6752 ], [ %t67, %logic.rend6755 ]
-  br label %logic.from6756
-logic.from6756:
-  br i1 %t68, label %logic.end6758, label %logic.rhs6757
-logic.rhs6757:
-  %t69 = load i64, ptr %a36
-  %t70 = icmp eq i64 %t69, 8
-  br label %logic.rend6759
-logic.rend6759:
-  br label %logic.end6758
-logic.end6758:
-  %t71 = phi i1 [ true, %logic.from6756 ], [ %t70, %logic.rend6759 ]
-  br i1 %t71, label %then6760, label %else6761
-then6760:
-  %t72 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4424, i64 6, i64 0 }, ptr %t72
-  %t73 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load i64, ptr %a36
-  %t76 = mul i64 %t75, 8
-  call void @finch_str_from_int(ptr %a77, i64 %t76)
-  %t78 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } { ptr @.str.4425, i64 1, i64 0 }, ptr %a80
-  store { ptr, i64, i64 } %t78, ptr %a81
-  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
-  %t82 = load { ptr, i64, i64 }, ptr %a79
-  %t83 = load i64, ptr %t74
+ok7122:
+  %t55 = getelementptr inbounds %S.gen.Gen, ptr %t53, i32 0, i32 30
+  %t56 = getelementptr inbounds %S.platform.Target, ptr %t55, i32 0, i32 1
+  %t57 = load i1, ptr %t56
+  br i1 %t57, label %then7123, label %endif7125
+then7123:
+  %t58 = load i64, ptr %a33
+  %t59 = icmp eq i64 %t58, 1
+  br label %logic.from7126
+logic.from7126:
+  br i1 %t59, label %logic.end7128, label %logic.rhs7127
+logic.rhs7127:
+  %t60 = load i64, ptr %a33
+  %t61 = icmp eq i64 %t60, 2
+  br label %logic.rend7129
+logic.rend7129:
+  br label %logic.end7128
+logic.end7128:
+  %t62 = phi i1 [ true, %logic.from7126 ], [ %t61, %logic.rend7129 ]
+  br label %logic.from7130
+logic.from7130:
+  br i1 %t62, label %logic.end7132, label %logic.rhs7131
+logic.rhs7131:
+  %t63 = load i64, ptr %a33
+  %t64 = icmp eq i64 %t63, 4
+  br label %logic.rend7133
+logic.rend7133:
+  br label %logic.end7132
+logic.end7132:
+  %t65 = phi i1 [ true, %logic.from7130 ], [ %t64, %logic.rend7133 ]
+  br label %logic.from7134
+logic.from7134:
+  br i1 %t65, label %logic.end7136, label %logic.rhs7135
+logic.rhs7135:
+  %t66 = load i64, ptr %a33
+  %t67 = icmp eq i64 %t66, 8
+  br label %logic.rend7137
+logic.rend7137:
+  br label %logic.end7136
+logic.end7136:
+  %t68 = phi i1 [ true, %logic.from7134 ], [ %t67, %logic.rend7137 ]
+  br i1 %t68, label %then7138, label %else7139
+then7138:
+  %t69 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t70 = load { ptr, i64, i64 }, ptr %t69
+  store { ptr, i64, i64 } { ptr @.str.4597, i64 6, i64 0 }, ptr %t69
+  store { ptr, i64, i64 } %t70, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i32 0, i32 1
+  %t74 = load i64, ptr %a33
+  %t75 = mul i64 %t74, 8
+  call void @finch_str_from_int(ptr %a76, i64 %t75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.4598, i64 1, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load i64, ptr %t73
   %t84 = add i64 %t83, 1
-  call void @finch_arr_reserve(ptr %t73, i64 %t84, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t85 = load ptr, ptr %t73
+  call void @finch_arr_reserve(ptr %t72, i64 %t84, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t85 = load ptr, ptr %t72
   %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i64 %t83
   store { ptr, i64, i64 } %t82, ptr %t86
-  store i64 %t84, ptr %t74
+  store i64 %t84, ptr %t73
   %t87 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
   %t88 = load { ptr, i64, i64 }, ptr %t87
   %t89 = extractvalue { ptr, i64, i64 } %t88, 1
   %t90 = icmp uge i64 0, %t89
-  br i1 %t90, label %range6763, label %inrange6764
-range6763:
-  call void @finch_panic_index(ptr @.str.4426, i64 3819, i64 0, i64 %t89)
+  br i1 %t90, label %range7141, label %inrange7142
+range7141:
+  call void @finch_panic_index(ptr @.str.4599, i64 4106, i64 0, i64 %t89)
   unreachable
-inrange6764:
+inrange7142:
   %t91 = extractvalue { ptr, i64, i64 } %t88, 0
   %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 0
   %t93 = load { ptr, i64, i64 }, ptr %t92
@@ -60574,47 +71660,52 @@ inrange6764:
   store { ptr, i64, i64 } %t93, ptr %a95
   call void @finch_str_copy(ptr %a96, ptr %a95)
   %t97 = load { ptr, i64, i64 }, ptr %a96
+  %t98 = load { ptr, i64, i64 }, ptr %t94
   store { ptr, i64, i64 } %t97, ptr %t94
-  br label %endif6762
-else6761:
-  %t98 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4427, i64 8, i64 0 }, ptr %t98
-  br label %endif6762
-endif6762:
-  %t99 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t99, ptr %a100
-  call void @finch.copy.S_gen_Abi(ptr %a101, ptr %a100)
-  %t102 = load %S.gen.Abi, ptr %a101
-  ret %S.gen.Abi %t102
-endif6747:
-  %t103 = load i64, ptr %a36
-  %t104 = icmp sgt i64 %t103, 16
-  br label %logic.from6765
-logic.from6765:
-  br i1 %t104, label %logic.end6767, label %logic.rhs6766
-logic.rhs6766:
-  %t105 = load i64, ptr %a36
-  %t106 = icmp eq i64 %t105, 0
-  br label %logic.rend6768
-logic.rend6768:
-  br label %logic.end6767
-logic.end6767:
-  %t107 = phi i1 [ true, %logic.from6765 ], [ %t106, %logic.rend6768 ]
-  br i1 %t107, label %then6769, label %endif6771
-then6769:
-  %t108 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4428, i64 6, i64 0 }, ptr %t108
-  %t109 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t109, ptr %a110
-  call void @finch.copy.S_gen_Abi(ptr %a111, ptr %a110)
-  %t112 = load %S.gen.Abi, ptr %a111
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  br label %endif7140
+else7139:
+  %t100 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } { ptr @.str.4600, i64 8, i64 0 }, ptr %t100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif7140
+endif7140:
+  %t103 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  ret %S.gen.Abi %t103
+endif7125:
+  %t104 = load i64, ptr %a33
+  %t105 = icmp sgt i64 %t104, 16
+  br label %logic.from7143
+logic.from7143:
+  br i1 %t105, label %logic.end7145, label %logic.rhs7144
+logic.rhs7144:
+  %t106 = load i64, ptr %a33
+  %t107 = icmp eq i64 %t106, 0
+  br label %logic.rend7146
+logic.rend7146:
+  br label %logic.end7145
+logic.end7145:
+  %t108 = phi i1 [ true, %logic.from7143 ], [ %t107, %logic.rend7146 ]
+  br i1 %t108, label %then7147, label %endif7149
+then7147:
+  %t109 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } { ptr @.str.4601, i64 6, i64 0 }, ptr %t109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
   ret %S.gen.Abi %t112
-endif6771:
+endif7149:
   %t113 = load ptr, ptr %a1
   %t114 = load %S.ast.Type, ptr %a2
   %t115 = call { ptr, i64, i64 } @finch.gen.leavesOf(ptr %t113, %S.ast.Type %t114, i64 0)
   store { ptr, i64, i64 } %t115, ptr %a116
-  %t117 = load i64, ptr %a36
+  %t117 = load i64, ptr %a33
   %t118 = add i64 %t117, 7
   %t119 = sdiv i64 %t118, 8
   store i64 %t119, ptr %a120
@@ -60639,14 +71730,14 @@ endif6771:
   %t135 = insertvalue { ptr, i64, i64 } %t134, i64 2, 2
   store { ptr, i64, i64 } %t135, ptr %a136
   store i64 0, ptr %a137
-  br label %each.cond6772
-each.cond6772:
+  br label %each.cond7150
+each.cond7150:
   %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %a116, i32 0, i32 1
   %t139 = load i64, ptr %t138
   %t140 = load i64, ptr %a137
   %t141 = icmp slt i64 %t140, %t139
-  br i1 %t141, label %each.body6773, label %each.end6775
-each.body6773:
+  br i1 %t141, label %each.body7151, label %each.end7153
+each.body7151:
   %t142 = load ptr, ptr %a116
   %t143 = getelementptr inbounds %S.gen.Leaf, ptr %t142, i64 %t140
   %t144 = load %S.gen.Leaf, ptr %t143
@@ -60656,324 +71747,301 @@ each.body6773:
   store i64 %t147, ptr %a148
   %t149 = load i64, ptr %a148
   %t150 = icmp sgt i64 %t149, 8
-  br i1 %t150, label %then6776, label %endif6778
-then6776:
+  br i1 %t150, label %then7154, label %endif7156
+then7154:
   store i64 8, ptr %a148
-  br label %endif6778
-endif6778:
+  br label %endif7156
+endif7156:
   %t151 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 0
   %t152 = load i64, ptr %t151
   %t153 = load i64, ptr %a148
   %t154 = icmp eq i64 %t153, 0
-  br i1 %t154, label %panic6779, label %ok6780
-panic6779:
-  call void @finch_panic(ptr @.str.4429, i64 3838, ptr @.str.4430)
+  br i1 %t154, label %panic7157, label %ok7158
+panic7157:
+  call void @finch_panic(ptr @.str.4602, i64 4125, ptr @.str.4603)
   unreachable
-ok6780:
+ok7158:
   %t155 = srem i64 %t152, %t153
   %t156 = icmp ne i64 %t155, 0
-  br i1 %t156, label %then6781, label %endif6783
-then6781:
+  br i1 %t156, label %then7159, label %endif7161
+then7159:
   %t157 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4431, i64 6, i64 0 }, ptr %t157
-  %t158 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t158, ptr %a159
-  call void @finch.copy.S_gen_Abi(ptr %a160, ptr %a159)
-  %t161 = load %S.gen.Abi, ptr %a160
-  ret %S.gen.Abi %t161
-endif6783:
-  %t162 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 0
-  %t163 = load i64, ptr %t162
-  %t164 = sdiv i64 %t163, 8
-  store i64 %t164, ptr %a165
-  %t166 = load i64, ptr %a165
-  %t167 = load { ptr, i64, i64 }, ptr %a128
-  %t168 = extractvalue { ptr, i64, i64 } %t167, 1
-  %t169 = icmp uge i64 %t166, %t168
-  br i1 %t169, label %range6784, label %inrange6785
-range6784:
-  call void @finch_panic_index(ptr @.str.4432, i64 3843, i64 %t166, i64 %t168)
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  store { ptr, i64, i64 } { ptr @.str.4604, i64 6, i64 0 }, ptr %t157
+  store { ptr, i64, i64 } %t158, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.arr_bool(ptr %a136)
+  call void @finch.drop.arr_int(ptr %a128)
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a116)
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  ret %S.gen.Abi %t160
+endif7161:
+  %t161 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 0
+  %t162 = load i64, ptr %t161
+  %t163 = sdiv i64 %t162, 8
+  store i64 %t163, ptr %a164
+  %t165 = load i64, ptr %a164
+  %t166 = load { ptr, i64, i64 }, ptr %a128
+  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
+  %t168 = icmp uge i64 %t165, %t167
+  br i1 %t168, label %range7162, label %inrange7163
+range7162:
+  call void @finch_panic_index(ptr @.str.4605, i64 4130, i64 %t165, i64 %t167)
   unreachable
-inrange6785:
-  %t170 = extractvalue { ptr, i64, i64 } %t167, 0
-  %t171 = getelementptr inbounds i64, ptr %t170, i64 %t166
-  %t172 = load i64, ptr %t171
-  %t173 = icmp eq i64 %t172, 1
-  br label %logic.from6786
-logic.from6786:
-  br i1 %t173, label %logic.end6788, label %logic.rhs6787
-logic.rhs6787:
-  %t174 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 2
-  %t175 = load i1, ptr %t174
-  %t176 = xor i1 %t175, true
-  br label %logic.rend6789
-logic.rend6789:
-  br label %logic.end6788
-logic.end6788:
-  %t177 = phi i1 [ true, %logic.from6786 ], [ %t176, %logic.rend6789 ]
-  br i1 %t177, label %then6790, label %else6791
-then6790:
-  %t178 = load i64, ptr %a165
-  %t179 = load { ptr, i64, i64 }, ptr %a128
-  %t180 = extractvalue { ptr, i64, i64 } %t179, 1
-  %t181 = icmp uge i64 %t178, %t180
-  br i1 %t181, label %range6793, label %inrange6794
-range6793:
-  call void @finch_panic_index(ptr @.str.4433, i64 3844, i64 %t178, i64 %t180)
+inrange7163:
+  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
+  %t170 = getelementptr inbounds i64, ptr %t169, i64 %t165
+  %t171 = load i64, ptr %t170
+  %t172 = icmp eq i64 %t171, 1
+  br label %logic.from7164
+logic.from7164:
+  br i1 %t172, label %logic.end7166, label %logic.rhs7165
+logic.rhs7165:
+  %t173 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 2
+  %t174 = load i1, ptr %t173
+  %t175 = xor i1 %t174, true
+  br label %logic.rend7167
+logic.rend7167:
+  br label %logic.end7166
+logic.end7166:
+  %t176 = phi i1 [ true, %logic.from7164 ], [ %t175, %logic.rend7167 ]
+  br i1 %t176, label %then7168, label %else7169
+then7168:
+  %t177 = load i64, ptr %a164
+  %t178 = load { ptr, i64, i64 }, ptr %a128
+  %t179 = extractvalue { ptr, i64, i64 } %t178, 1
+  %t180 = icmp uge i64 %t177, %t179
+  br i1 %t180, label %range7171, label %inrange7172
+range7171:
+  call void @finch_panic_index(ptr @.str.4606, i64 4131, i64 %t177, i64 %t179)
   unreachable
-inrange6794:
-  %t182 = extractvalue { ptr, i64, i64 } %t179, 0
-  %t183 = getelementptr inbounds i64, ptr %t182, i64 %t178
-  store i64 1, ptr %t183
-  br label %endif6792
-else6791:
-  %t184 = load i64, ptr %a165
-  %t185 = load { ptr, i64, i64 }, ptr %a128
-  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
-  %t187 = icmp uge i64 %t184, %t186
-  br i1 %t187, label %range6795, label %inrange6796
-range6795:
-  call void @finch_panic_index(ptr @.str.4434, i64 3846, i64 %t184, i64 %t186)
+inrange7172:
+  %t181 = extractvalue { ptr, i64, i64 } %t178, 0
+  %t182 = getelementptr inbounds i64, ptr %t181, i64 %t177
+  store i64 1, ptr %t182
+  br label %endif7170
+else7169:
+  %t183 = load i64, ptr %a164
+  %t184 = load { ptr, i64, i64 }, ptr %a128
+  %t185 = extractvalue { ptr, i64, i64 } %t184, 1
+  %t186 = icmp uge i64 %t183, %t185
+  br i1 %t186, label %range7173, label %inrange7174
+range7173:
+  call void @finch_panic_index(ptr @.str.4607, i64 4133, i64 %t183, i64 %t185)
   unreachable
-inrange6796:
-  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
-  %t189 = getelementptr inbounds i64, ptr %t188, i64 %t184
-  store i64 2, ptr %t189
-  br label %endif6792
-endif6792:
-  %t190 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 3
-  %t191 = load i1, ptr %t190
-  br i1 %t191, label %then6797, label %endif6799
-then6797:
-  %t192 = load i64, ptr %a165
-  %t193 = load { ptr, i64, i64 }, ptr %a136
-  %t194 = extractvalue { ptr, i64, i64 } %t193, 1
-  %t195 = icmp uge i64 %t192, %t194
-  br i1 %t195, label %range6800, label %inrange6801
-range6800:
-  call void @finch_panic_index(ptr @.str.4435, i64 3849, i64 %t192, i64 %t194)
+inrange7174:
+  %t187 = extractvalue { ptr, i64, i64 } %t184, 0
+  %t188 = getelementptr inbounds i64, ptr %t187, i64 %t183
+  store i64 2, ptr %t188
+  br label %endif7170
+endif7170:
+  %t189 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 3
+  %t190 = load i1, ptr %t189
+  br i1 %t190, label %then7175, label %endif7177
+then7175:
+  %t191 = load i64, ptr %a164
+  %t192 = load { ptr, i64, i64 }, ptr %a136
+  %t193 = extractvalue { ptr, i64, i64 } %t192, 1
+  %t194 = icmp uge i64 %t191, %t193
+  br i1 %t194, label %range7178, label %inrange7179
+range7178:
+  call void @finch_panic_index(ptr @.str.4608, i64 4136, i64 %t191, i64 %t193)
   unreachable
-inrange6801:
-  %t196 = extractvalue { ptr, i64, i64 } %t193, 0
-  %t197 = getelementptr inbounds i1, ptr %t196, i64 %t192
-  store i1 true, ptr %t197
-  br label %endif6799
-endif6799:
-  br label %each.step6774
-each.step6774:
-  %t198 = load i64, ptr %a137
-  %t199 = add i64 %t198, 1
-  store i64 %t199, ptr %a137
-  br label %each.cond6772
-each.end6775:
-  %t200 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4436, i64 6, i64 0 }, ptr %t200
-  %t201 = load i64, ptr %a120
-  store i64 0, ptr %a202
-  br label %for.cond6802
-for.cond6802:
-  %t203 = load i64, ptr %a202
-  %t204 = icmp slt i64 %t203, %t201
-  br i1 %t204, label %for.body6803, label %for.end6805
-for.body6803:
-  %t205 = load i64, ptr %a36
-  %t206 = load i64, ptr %a202
-  %t207 = mul i64 8, %t206
-  %t208 = sub i64 %t205, %t207
-  store i64 %t208, ptr %a209
-  %t210 = load i64, ptr %a209
-  %t211 = icmp sgt i64 %t210, 8
-  br i1 %t211, label %then6806, label %endif6808
-then6806:
-  store i64 8, ptr %a209
-  br label %endif6808
-endif6808:
-  %t212 = load i64, ptr %a202
-  %t213 = load { ptr, i64, i64 }, ptr %a128
-  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
-  %t215 = icmp uge i64 %t212, %t214
-  br i1 %t215, label %range6809, label %inrange6810
-range6809:
-  call void @finch_panic_index(ptr @.str.4437, i64 3858, i64 %t212, i64 %t214)
+inrange7179:
+  %t195 = extractvalue { ptr, i64, i64 } %t192, 0
+  %t196 = getelementptr inbounds i1, ptr %t195, i64 %t191
+  store i1 true, ptr %t196
+  br label %endif7177
+endif7177:
+  br label %each.step7152
+each.step7152:
+  %t197 = load i64, ptr %a137
+  %t198 = add i64 %t197, 1
+  store i64 %t198, ptr %a137
+  br label %each.cond7150
+each.end7153:
+  %t199 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t200 = load { ptr, i64, i64 }, ptr %t199
+  store { ptr, i64, i64 } { ptr @.str.4609, i64 6, i64 0 }, ptr %t199
+  store { ptr, i64, i64 } %t200, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = load i64, ptr %a120
+  store i64 0, ptr %a203
+  br label %for.cond7180
+for.cond7180:
+  %t204 = load i64, ptr %a203
+  %t205 = icmp slt i64 %t204, %t202
+  br i1 %t205, label %for.body7181, label %for.end7183
+for.body7181:
+  %t206 = load i64, ptr %a33
+  %t207 = load i64, ptr %a203
+  %t208 = mul i64 8, %t207
+  %t209 = sub i64 %t206, %t208
+  store i64 %t209, ptr %a210
+  %t211 = load i64, ptr %a210
+  %t212 = icmp sgt i64 %t211, 8
+  br i1 %t212, label %then7184, label %endif7186
+then7184:
+  store i64 8, ptr %a210
+  br label %endif7186
+endif7186:
+  %t213 = load i64, ptr %a203
+  %t214 = load { ptr, i64, i64 }, ptr %a128
+  %t215 = extractvalue { ptr, i64, i64 } %t214, 1
+  %t216 = icmp uge i64 %t213, %t215
+  br i1 %t216, label %range7187, label %inrange7188
+range7187:
+  call void @finch_panic_index(ptr @.str.4610, i64 4145, i64 %t213, i64 %t215)
   unreachable
-inrange6810:
-  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
-  %t217 = getelementptr inbounds i64, ptr %t216, i64 %t212
-  %t218 = load i64, ptr %t217
-  %t219 = icmp eq i64 %t218, 2
-  br i1 %t219, label %then6811, label %else6812
-then6811:
-  %t220 = load i64, ptr %a202
-  %t221 = load { ptr, i64, i64 }, ptr %a136
-  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
-  %t223 = icmp uge i64 %t220, %t222
-  br i1 %t223, label %range6814, label %inrange6815
-range6814:
-  call void @finch_panic_index(ptr @.str.4438, i64 3859, i64 %t220, i64 %t222)
+inrange7188:
+  %t217 = extractvalue { ptr, i64, i64 } %t214, 0
+  %t218 = getelementptr inbounds i64, ptr %t217, i64 %t213
+  %t219 = load i64, ptr %t218
+  %t220 = icmp eq i64 %t219, 2
+  br i1 %t220, label %then7189, label %else7190
+then7189:
+  %t221 = load i64, ptr %a203
+  %t222 = load { ptr, i64, i64 }, ptr %a136
+  %t223 = extractvalue { ptr, i64, i64 } %t222, 1
+  %t224 = icmp uge i64 %t221, %t223
+  br i1 %t224, label %range7192, label %inrange7193
+range7192:
+  call void @finch_panic_index(ptr @.str.4611, i64 4146, i64 %t221, i64 %t223)
   unreachable
-inrange6815:
-  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
-  %t225 = getelementptr inbounds i1, ptr %t224, i64 %t220
-  %t226 = load i1, ptr %t225
-  br i1 %t226, label %then6816, label %else6817
-then6816:
-  %t227 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t228 = getelementptr inbounds { ptr, i64, i64 }, ptr %t227, i32 0, i32 1
-  %t229 = load i64, ptr %t228
-  %t230 = add i64 %t229, 1
-  call void @finch_arr_reserve(ptr %t227, i64 %t230, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t231 = load ptr, ptr %t227
-  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t231, i64 %t229
-  store { ptr, i64, i64 } { ptr @.str.4439, i64 6, i64 0 }, ptr %t232
-  store i64 %t230, ptr %t228
-  br label %endif6818
-else6817:
-  %t233 = load i64, ptr %a209
-  %t234 = icmp sgt i64 %t233, 4
-  br i1 %t234, label %then6819, label %else6820
-then6819:
-  %t235 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t236 = getelementptr inbounds { ptr, i64, i64 }, ptr %t235, i32 0, i32 1
-  %t237 = load i64, ptr %t236
-  %t238 = add i64 %t237, 1
-  call void @finch_arr_reserve(ptr %t235, i64 %t238, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t239 = load ptr, ptr %t235
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %t239, i64 %t237
-  store { ptr, i64, i64 } { ptr @.str.4440, i64 11, i64 0 }, ptr %t240
-  store i64 %t238, ptr %t236
-  br label %endif6821
-else6820:
-  %t241 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t242 = getelementptr inbounds { ptr, i64, i64 }, ptr %t241, i32 0, i32 1
-  %t243 = load i64, ptr %t242
-  %t244 = add i64 %t243, 1
-  call void @finch_arr_reserve(ptr %t241, i64 %t244, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t245 = load ptr, ptr %t241
-  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %t245, i64 %t243
-  store { ptr, i64, i64 } { ptr @.str.4441, i64 5, i64 0 }, ptr %t246
-  store i64 %t244, ptr %t242
-  br label %endif6821
-endif6821:
-  br label %endif6818
-endif6818:
-  br label %endif6813
-else6812:
-  %t247 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t248 = getelementptr inbounds { ptr, i64, i64 }, ptr %t247, i32 0, i32 1
-  %t249 = load i64, ptr %a209
-  %t250 = mul i64 %t249, 8
-  call void @finch_str_from_int(ptr %a251, i64 %t250)
-  %t252 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } { ptr @.str.4442, i64 1, i64 0 }, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  %t257 = load i64, ptr %t248
-  %t258 = add i64 %t257, 1
-  call void @finch_arr_reserve(ptr %t247, i64 %t258, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t259 = load ptr, ptr %t247
-  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i64 %t257
-  store { ptr, i64, i64 } %t256, ptr %t260
-  store i64 %t258, ptr %t248
-  br label %endif6813
-endif6813:
-  br label %for.step6804
-for.step6804:
-  %t261 = load i64, ptr %a202
-  %t262 = add i64 %t261, 1
-  store i64 %t262, ptr %a202
-  br label %for.cond6802
-for.end6805:
-  %t263 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
-  %t265 = load i64, ptr %t264
-  %t266 = icmp eq i64 %t265, 1
-  br i1 %t266, label %then6822, label %else6823
-then6822:
-  %t267 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
-  %t270 = icmp uge i64 0, %t269
-  br i1 %t270, label %range6825, label %inrange6826
-range6825:
-  call void @finch_panic_index(ptr @.str.4443, i64 3871, i64 0, i64 %t269)
+inrange7193:
+  %t225 = extractvalue { ptr, i64, i64 } %t222, 0
+  %t226 = getelementptr inbounds i1, ptr %t225, i64 %t221
+  %t227 = load i1, ptr %t226
+  br i1 %t227, label %then7194, label %else7195
+then7194:
+  %t228 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t229 = getelementptr inbounds { ptr, i64, i64 }, ptr %t228, i32 0, i32 1
+  %t230 = load i64, ptr %t229
+  %t231 = add i64 %t230, 1
+  call void @finch_arr_reserve(ptr %t228, i64 %t231, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t232 = load ptr, ptr %t228
+  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %t232, i64 %t230
+  store { ptr, i64, i64 } { ptr @.str.4612, i64 6, i64 0 }, ptr %t233
+  store i64 %t231, ptr %t229
+  br label %endif7196
+else7195:
+  %t234 = load i64, ptr %a210
+  %t235 = icmp sgt i64 %t234, 4
+  br i1 %t235, label %then7197, label %else7198
+then7197:
+  %t236 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i32 0, i32 1
+  %t238 = load i64, ptr %t237
+  %t239 = add i64 %t238, 1
+  call void @finch_arr_reserve(ptr %t236, i64 %t239, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t240 = load ptr, ptr %t236
+  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t240, i64 %t238
+  store { ptr, i64, i64 } { ptr @.str.4613, i64 11, i64 0 }, ptr %t241
+  store i64 %t239, ptr %t237
+  br label %endif7199
+else7198:
+  %t242 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i32 0, i32 1
+  %t244 = load i64, ptr %t243
+  %t245 = add i64 %t244, 1
+  call void @finch_arr_reserve(ptr %t242, i64 %t245, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t246 = load ptr, ptr %t242
+  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i64 %t244
+  store { ptr, i64, i64 } { ptr @.str.4614, i64 5, i64 0 }, ptr %t247
+  store i64 %t245, ptr %t243
+  br label %endif7199
+endif7199:
+  br label %endif7196
+endif7196:
+  br label %endif7191
+else7190:
+  %t248 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
+  %t250 = load i64, ptr %a210
+  %t251 = mul i64 %t250, 8
+  call void @finch_str_from_int(ptr %a252, i64 %t251)
+  %t253 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } { ptr @.str.4615, i64 1, i64 0 }, ptr %a255
+  store { ptr, i64, i64 } %t253, ptr %a256
+  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
+  store { ptr, i64, i64 } %t253, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  %t258 = load { ptr, i64, i64 }, ptr %a254
+  %t259 = load i64, ptr %t249
+  %t260 = add i64 %t259, 1
+  call void @finch_arr_reserve(ptr %t248, i64 %t260, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t261 = load ptr, ptr %t248
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t261, i64 %t259
+  store { ptr, i64, i64 } %t258, ptr %t262
+  store i64 %t260, ptr %t249
+  br label %endif7191
+endif7191:
+  br label %for.step7182
+for.step7182:
+  %t263 = load i64, ptr %a203
+  %t264 = add i64 %t263, 1
+  store i64 %t264, ptr %a203
+  br label %for.cond7180
+for.end7183:
+  %t265 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i32 0, i32 1
+  %t267 = load i64, ptr %t266
+  %t268 = icmp eq i64 %t267, 1
+  br i1 %t268, label %then7200, label %else7201
+then7200:
+  %t269 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t270 = load { ptr, i64, i64 }, ptr %t269
+  %t271 = extractvalue { ptr, i64, i64 } %t270, 1
+  %t272 = icmp uge i64 0, %t271
+  br i1 %t272, label %range7203, label %inrange7204
+range7203:
+  call void @finch_panic_index(ptr @.str.4616, i64 4158, i64 0, i64 %t271)
   unreachable
-inrange6826:
-  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
-  %t272 = getelementptr inbounds { ptr, i64, i64 }, ptr %t271, i64 0
-  %t273 = load { ptr, i64, i64 }, ptr %t272
-  %t274 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t273, ptr %a275
-  call void @finch_str_copy(ptr %a276, ptr %a275)
-  %t277 = load { ptr, i64, i64 }, ptr %a276
-  store { ptr, i64, i64 } %t277, ptr %t274
-  br label %endif6824
-else6823:
-  %t278 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t278, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4445, i64 2, i64 0 }, ptr %a280
-  call void @finch_str_join(ptr %a281, ptr %t278, ptr %a280)
-  %t282 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } { ptr @.str.4444, i64 2, i64 0 }, ptr %a284
-  store { ptr, i64, i64 } %t282, ptr %a285
-  call void @finch_str_concat(ptr %a283, ptr %a284, ptr %a285)
-  %t286 = load { ptr, i64, i64 }, ptr %a283
-  store { ptr, i64, i64 } %t286, ptr %a288
-  store { ptr, i64, i64 } { ptr @.str.4446, i64 2, i64 0 }, ptr %a289
+inrange7204:
+  %t273 = extractvalue { ptr, i64, i64 } %t270, 0
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 0
+  %t275 = load { ptr, i64, i64 }, ptr %t274
+  %t276 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
+  store { ptr, i64, i64 } %t275, ptr %a277
+  call void @finch_str_copy(ptr %a278, ptr %a277)
+  %t279 = load { ptr, i64, i64 }, ptr %a278
+  %t280 = load { ptr, i64, i64 }, ptr %t276
+  store { ptr, i64, i64 } %t279, ptr %t276
+  store { ptr, i64, i64 } %t280, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  br label %endif7202
+else7201:
+  %t282 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4618, i64 2, i64 0 }, ptr %a284
+  call void @finch_str_join(ptr %a285, ptr %t282, ptr %a284)
+  %t286 = load { ptr, i64, i64 }, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.4617, i64 2, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
   call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
-  %t290 = load { ptr, i64, i64 }, ptr %a287
-  %t291 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t290, ptr %t291
-  br label %endif6824
-endif6824:
-  %t292 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t292, ptr %a293
-  call void @finch.copy.S_gen_Abi(ptr %a294, ptr %a293)
-  %t295 = load %S.gen.Abi, ptr %a294
-  ret %S.gen.Abi %t295
-}
-
-define internal void @finch.copy.arr_S_gen_Abi(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Abi, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond6878
-n.cond6878:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body6879, label %n.end6880
-n.body6879:
-  %t8 = getelementptr inbounds %S.gen.Abi, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.gen.Abi, ptr %t2, i64 %t6
-  call void @finch.copy.S_gen_Abi(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond6878
-n.end6880:
-  ret void
-}
-
-define internal void @finch.copy.S_gen_Plan(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Plan, ptr %src
-  store %S.gen.Plan %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Plan, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Plan, ptr %src, i32 0, i32 0
-  call void @finch.copy.S_gen_Abi(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Plan, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Plan, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_S_gen_Abi(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.gen.Plan, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.gen.Plan, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  ret void
+  store { ptr, i64, i64 } %t286, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.4619, i64 2, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
+  %t298 = load { ptr, i64, i64 }, ptr %t297
+  store { ptr, i64, i64 } %t296, ptr %t297
+  store { ptr, i64, i64 } %t298, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  br label %endif7202
+endif7202:
+  %t300 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.arr_bool(ptr %a136)
+  call void @finch.drop.arr_int(ptr %a128)
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a116)
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  ret %S.gen.Abi %t300
 }
 
 define internal %S.gen.Plan @finch.gen.makePlan(ptr %p0, %S.ast.Type %p1, { ptr, i64, i64 } %p2) {
@@ -60984,34 +72052,39 @@ entry:
   %a4 = alloca %S.gen.Plan, align 16
   %a5 = alloca i64, align 16
   %a6 = alloca i64, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca %S.gen.Abi, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca i64, align 16
-  %a64 = alloca %S.ast.Type, align 16
-  %a68 = alloca %S.gen.Abi, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca i64, align 16
-  %a76 = alloca i64, align 16
-  %a78 = alloca i64, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca %S.gen.Abi, align 16
-  %a141 = alloca %S.gen.Abi, align 16
-  %a150 = alloca %S.gen.Plan, align 16
-  %a151 = alloca %S.gen.Plan, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca i64, align 16
+  %a76 = alloca %S.ast.Type, align 16
+  %a80 = alloca %S.gen.Abi, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca i64, align 16
+  %a88 = alloca i64, align 16
+  %a90 = alloca i64, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca %S.gen.Abi, align 16
+  %a155 = alloca %S.gen.Abi, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -61022,264 +72095,283 @@ entry:
   %t8 = load %S.ast.Type, ptr %a2
   %t9 = call %S.gen.Abi @finch.gen.classify(ptr %t7, %S.ast.Type %t8)
   %t10 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t11 = load %S.gen.Abi, ptr %t10
   store %S.gen.Abi %t9, ptr %t10
-  %t11 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4447, i64 4, i64 0 }, ptr %t11
-  %t12 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.4448, i64 4, i64 0 }, ptr %a15
-  %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
-  %t17 = icmp eq i32 %t16, 0
-  br i1 %t17, label %then6827, label %endif6829
-then6827:
-  %t18 = load ptr, ptr %a1
-  %t19 = load %S.ast.Type, ptr %a2
-  %t20 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t18, %S.ast.Type %t19)
-  %t21 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t20, ptr %t21
-  br label %endif6829
-endif6829:
-  %t22 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t23 = getelementptr inbounds %S.gen.Abi, ptr %t22, i32 0, i32 0
-  %t24 = load { ptr, i64, i64 }, ptr %t23
-  store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.4449, i64 8, i64 0 }, ptr %a26
-  %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
-  %t28 = icmp ne i32 %t27, 0
-  br i1 %t28, label %then6830, label %endif6832
-then6830:
-  %t29 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t30 = getelementptr inbounds %S.gen.Abi, ptr %t29, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4450, i64 6, i64 0 }, ptr %t30
-  br label %endif6832
-endif6832:
-  %t31 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t32 = getelementptr inbounds %S.gen.Abi, ptr %t31, i32 0, i32 0
-  %t33 = load { ptr, i64, i64 }, ptr %t32
-  store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.4451, i64 6, i64 0 }, ptr %a35
-  %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
-  %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then6833, label %else6834
-then6833:
-  %t38 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 3
-  store i1 true, ptr %t38
-  %t39 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4452, i64 4, i64 0 }, ptr %t39
-  %t40 = load i64, ptr %a5
-  %t41 = sub i64 %t40, 1
-  store i64 %t41, ptr %a5
-  br label %endif6835
-else6834:
-  %t42 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t43 = getelementptr inbounds %S.gen.Abi, ptr %t42, i32 0, i32 0
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.4453, i64 6, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br i1 %t48, label %then6836, label %endif6838
-then6836:
-  %t49 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t50 = getelementptr inbounds %S.gen.Abi, ptr %t49, i32 0, i32 2
-  %t51 = load { ptr, i64, i64 }, ptr %t50
-  %t52 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t51, ptr %a53
-  call void @finch_str_copy(ptr %a54, ptr %a53)
-  %t55 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t55, ptr %t52
-  br label %endif6838
-endif6838:
-  br label %endif6835
-endif6835:
-  store i64 0, ptr %a56
-  br label %each.cond6839
-each.cond6839:
-  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t58 = load i64, ptr %t57
-  %t59 = load i64, ptr %a56
-  %t60 = icmp slt i64 %t59, %t58
-  br i1 %t60, label %each.body6840, label %each.end6842
-each.body6840:
-  %t61 = load ptr, ptr %a3
-  %t62 = getelementptr inbounds %S.ast.Type, ptr %t61, i64 %t59
-  %t63 = load %S.ast.Type, ptr %t62
-  store %S.ast.Type %t63, ptr %a64
-  %t65 = load ptr, ptr %a1
-  %t66 = load %S.ast.Type, ptr %a64
-  %t67 = call %S.gen.Abi @finch.gen.classify(ptr %t65, %S.ast.Type %t66)
-  store %S.gen.Abi %t67, ptr %a68
-  %t69 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 0
-  %t70 = load { ptr, i64, i64 }, ptr %t69
-  store { ptr, i64, i64 } %t70, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.4454, i64 6, i64 0 }, ptr %a72
-  %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
-  %t74 = icmp ne i32 %t73, 0
-  br i1 %t74, label %then6843, label %else6844
-then6843:
-  store i64 0, ptr %a75
-  store i64 0, ptr %a76
-  %t77 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 1
-  store i64 0, ptr %a78
-  br label %each.cond6846
-each.cond6846:
-  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t80 = load i64, ptr %t79
-  %t81 = load i64, ptr %a78
-  %t82 = icmp slt i64 %t81, %t80
-  br i1 %t82, label %each.body6847, label %each.end6849
-each.body6847:
-  %t83 = load ptr, ptr %t77
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } %t85, ptr %a86
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.4456, i64 1, i64 0 }, ptr %a90
-  %t91 = call i32 @finch_str_starts(ptr %a88, ptr %a90)
-  %t92 = icmp ne i32 %t91, 0
-  br i1 %t92, label %then6850, label %else6851
-then6850:
-  %t93 = load i64, ptr %a75
-  %t94 = add i64 %t93, 1
-  store i64 %t94, ptr %a75
-  br label %endif6852
-else6851:
-  %t95 = load i64, ptr %a76
-  %t96 = add i64 %t95, 1
-  store i64 %t96, ptr %a76
-  br label %endif6852
-endif6852:
-  br label %each.step6848
-each.step6848:
-  %t97 = load i64, ptr %a78
-  %t98 = add i64 %t97, 1
-  store i64 %t98, ptr %a78
-  br label %each.cond6846
-each.end6849:
-  %t99 = load ptr, ptr %a1
-  %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic6853, label %ok6854
-panic6853:
-  call void @finch_panic(ptr @.str.4457, i64 3911, ptr @.str.4458)
+  store %S.gen.Abi %t11, ptr %a12
+  call void @finch.drop.S_gen_Abi(ptr %a12)
+  %t13 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.4620, i64 4, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } %t14, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t17 = load { ptr, i64, i64 }, ptr %t16
+  store { ptr, i64, i64 } %t17, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.4621, i64 4, i64 0 }, ptr %a19
+  %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
+  %t21 = icmp eq i32 %t20, 0
+  br i1 %t21, label %then7205, label %endif7207
+then7205:
+  %t22 = load ptr, ptr %a1
+  %t23 = load %S.ast.Type, ptr %a2
+  %t24 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t22, %S.ast.Type %t23)
+  %t25 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  %t26 = load { ptr, i64, i64 }, ptr %t25
+  store { ptr, i64, i64 } %t24, ptr %t25
+  store { ptr, i64, i64 } %t26, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  br label %endif7207
+endif7207:
+  %t28 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t29 = getelementptr inbounds %S.gen.Abi, ptr %t28, i32 0, i32 0
+  %t30 = load { ptr, i64, i64 }, ptr %t29
+  store { ptr, i64, i64 } %t30, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.4622, i64 8, i64 0 }, ptr %a32
+  %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
+  %t34 = icmp ne i32 %t33, 0
+  br i1 %t34, label %then7208, label %endif7210
+then7208:
+  %t35 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t36 = getelementptr inbounds %S.gen.Abi, ptr %t35, i32 0, i32 0
+  %t37 = load { ptr, i64, i64 }, ptr %t36
+  store { ptr, i64, i64 } { ptr @.str.4623, i64 6, i64 0 }, ptr %t36
+  store { ptr, i64, i64 } %t37, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  br label %endif7210
+endif7210:
+  %t39 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t40 = getelementptr inbounds %S.gen.Abi, ptr %t39, i32 0, i32 0
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.4624, i64 6, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br i1 %t45, label %then7211, label %else7212
+then7211:
+  %t46 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 3
+  store i1 true, ptr %t46
+  %t47 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  store { ptr, i64, i64 } { ptr @.str.4625, i64 4, i64 0 }, ptr %t47
+  store { ptr, i64, i64 } %t48, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load i64, ptr %a5
+  %t51 = sub i64 %t50, 1
+  store i64 %t51, ptr %a5
+  br label %endif7213
+else7212:
+  %t52 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t53 = getelementptr inbounds %S.gen.Abi, ptr %t52, i32 0, i32 0
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  store { ptr, i64, i64 } %t54, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.4626, i64 6, i64 0 }, ptr %a56
+  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
+  %t58 = icmp ne i32 %t57, 0
+  br i1 %t58, label %then7214, label %endif7216
+then7214:
+  %t59 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t60 = getelementptr inbounds %S.gen.Abi, ptr %t59, i32 0, i32 2
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  store { ptr, i64, i64 } %t61, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  %t66 = load { ptr, i64, i64 }, ptr %t62
+  store { ptr, i64, i64 } %t65, ptr %t62
+  store { ptr, i64, i64 } %t66, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  br label %endif7216
+endif7216:
+  br label %endif7213
+endif7213:
+  store i64 0, ptr %a68
+  br label %each.cond7217
+each.cond7217:
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t70 = load i64, ptr %t69
+  %t71 = load i64, ptr %a68
+  %t72 = icmp slt i64 %t71, %t70
+  br i1 %t72, label %each.body7218, label %each.end7220
+each.body7218:
+  %t73 = load ptr, ptr %a3
+  %t74 = getelementptr inbounds %S.ast.Type, ptr %t73, i64 %t71
+  %t75 = load %S.ast.Type, ptr %t74
+  store %S.ast.Type %t75, ptr %a76
+  %t77 = load ptr, ptr %a1
+  %t78 = load %S.ast.Type, ptr %a76
+  %t79 = call %S.gen.Abi @finch.gen.classify(ptr %t77, %S.ast.Type %t78)
+  store %S.gen.Abi %t79, ptr %a80
+  %t81 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 0
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  store { ptr, i64, i64 } %t82, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.4627, i64 6, i64 0 }, ptr %a84
+  %t85 = call i32 @finch_str_eq(ptr %a83, ptr %a84)
+  %t86 = icmp ne i32 %t85, 0
+  br i1 %t86, label %then7221, label %else7222
+then7221:
+  store i64 0, ptr %a87
+  store i64 0, ptr %a88
+  %t89 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 1
+  store i64 0, ptr %a90
+  br label %each.cond7224
+each.cond7224:
+  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i32 0, i32 1
+  %t92 = load i64, ptr %t91
+  %t93 = load i64, ptr %a90
+  %t94 = icmp slt i64 %t93, %t92
+  br i1 %t94, label %each.body7225, label %each.end7227
+each.body7225:
+  %t95 = load ptr, ptr %t89
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i64 %t93
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  store { ptr, i64, i64 } %t97, ptr %a98
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t99, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.4629, i64 1, i64 0 }, ptr %a102
+  %t103 = call i32 @finch_str_starts(ptr %a100, ptr %a102)
+  %t104 = icmp ne i32 %t103, 0
+  br i1 %t104, label %then7228, label %else7229
+then7228:
+  %t105 = load i64, ptr %a87
+  %t106 = add i64 %t105, 1
+  store i64 %t106, ptr %a87
+  br label %endif7230
+else7229:
+  %t107 = load i64, ptr %a88
+  %t108 = add i64 %t107, 1
+  store i64 %t108, ptr %a88
+  br label %endif7230
+endif7230:
+  br label %each.step7226
+each.step7226:
+  %t109 = load i64, ptr %a90
+  %t110 = add i64 %t109, 1
+  store i64 %t110, ptr %a90
+  br label %each.cond7224
+each.end7227:
+  %t111 = load ptr, ptr %a1
+  %t112 = icmp eq ptr %t111, null
+  br i1 %t112, label %panic7231, label %ok7232
+panic7231:
+  call void @finch_panic(ptr @.str.4630, i64 4198, ptr @.str.4631)
   unreachable
-ok6854:
-  %t101 = getelementptr inbounds %S.gen.Gen, ptr %t99, i32 0, i32 29
-  %t102 = getelementptr inbounds %S.platform.Target, ptr %t101, i32 0, i32 1
-  %t103 = load i1, ptr %t102
-  br label %logic.from6855
-logic.from6855:
-  br i1 %t103, label %logic.end6857, label %logic.rhs6856
-logic.rhs6856:
-  %t104 = load ptr, ptr %a1
-  %t105 = icmp eq ptr %t104, null
-  br i1 %t105, label %panic6858, label %ok6859
-panic6858:
-  call void @finch_panic(ptr @.str.4459, i64 3911, ptr @.str.4460)
+ok7232:
+  %t113 = getelementptr inbounds %S.gen.Gen, ptr %t111, i32 0, i32 30
+  %t114 = getelementptr inbounds %S.platform.Target, ptr %t113, i32 0, i32 1
+  %t115 = load i1, ptr %t114
+  br label %logic.from7233
+logic.from7233:
+  br i1 %t115, label %logic.end7235, label %logic.rhs7234
+logic.rhs7234:
+  %t116 = load ptr, ptr %a1
+  %t117 = icmp eq ptr %t116, null
+  br i1 %t117, label %panic7236, label %ok7237
+panic7236:
+  call void @finch_panic(ptr @.str.4632, i64 4198, ptr @.str.4633)
   unreachable
-ok6859:
-  %t106 = getelementptr inbounds %S.gen.Gen, ptr %t104, i32 0, i32 29
-  %t107 = getelementptr inbounds %S.platform.Target, ptr %t106, i32 0, i32 4
-  %t108 = load i1, ptr %t107
-  br label %logic.rend6860
-logic.rend6860:
-  br label %logic.end6857
-logic.end6857:
-  %t109 = phi i1 [ true, %logic.from6855 ], [ %t108, %logic.rend6860 ]
-  br label %logic.from6861
-logic.from6861:
-  br i1 %t109, label %logic.end6863, label %logic.rhs6862
-logic.rhs6862:
-  %t110 = load i64, ptr %a75
-  %t111 = load i64, ptr %a5
-  %t112 = icmp sle i64 %t110, %t111
-  br label %logic.from6864
-logic.from6864:
-  br i1 %t112, label %logic.rhs6865, label %logic.end6866
-logic.rhs6865:
-  %t113 = load i64, ptr %a76
-  %t114 = load i64, ptr %a6
-  %t115 = icmp sle i64 %t113, %t114
-  br label %logic.rend6867
-logic.rend6867:
-  br label %logic.end6866
-logic.end6866:
-  %t116 = phi i1 [ false, %logic.from6864 ], [ %t115, %logic.rend6867 ]
-  br label %logic.rend6868
-logic.rend6868:
-  br label %logic.end6863
-logic.end6863:
-  %t117 = phi i1 [ true, %logic.from6861 ], [ %t116, %logic.rend6868 ]
-  br i1 %t117, label %then6869, label %else6870
-then6869:
-  %t118 = load i64, ptr %a75
-  %t119 = load i64, ptr %a5
-  %t120 = sub i64 %t119, %t118
-  store i64 %t120, ptr %a5
-  %t121 = load i64, ptr %a76
-  %t122 = load i64, ptr %a6
-  %t123 = sub i64 %t122, %t121
-  store i64 %t123, ptr %a6
-  br label %endif6871
-else6870:
-  %t124 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4461, i64 6, i64 0 }, ptr %t124
-  br label %endif6871
-endif6871:
-  br label %endif6845
-else6844:
-  %t125 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 0
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t126, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.4462, i64 6, i64 0 }, ptr %a128
-  %t129 = call i32 @finch_str_eq(ptr %a127, ptr %a128)
-  %t130 = icmp ne i32 %t129, 0
-  br i1 %t130, label %then6872, label %endif6874
-then6872:
-  %t131 = load %S.ast.Type, ptr %a64
-  %t132 = call i1 @finch.gen.isFloat(%S.ast.Type %t131)
-  br i1 %t132, label %then6875, label %else6876
-then6875:
-  %t133 = load i64, ptr %a6
-  %t134 = sub i64 %t133, 1
-  store i64 %t134, ptr %a6
-  br label %endif6877
-else6876:
-  %t135 = load i64, ptr %a5
-  %t136 = sub i64 %t135, 1
-  store i64 %t136, ptr %a5
-  br label %endif6877
-endif6877:
-  br label %endif6874
-endif6874:
-  br label %endif6845
-endif6845:
-  %t137 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 1
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
-  %t139 = load %S.gen.Abi, ptr %a68
-  store %S.gen.Abi %t139, ptr %a140
-  call void @finch.copy.S_gen_Abi(ptr %a141, ptr %a140)
-  %t142 = load %S.gen.Abi, ptr %a141
-  %t143 = load i64, ptr %t138
-  %t144 = add i64 %t143, 1
-  call void @finch_arr_reserve(ptr %t137, i64 %t144, i64 ptrtoint (ptr getelementptr (%S.gen.Abi, ptr null, i32 1) to i64))
-  %t145 = load ptr, ptr %t137
-  %t146 = getelementptr inbounds %S.gen.Abi, ptr %t145, i64 %t143
-  store %S.gen.Abi %t142, ptr %t146
-  store i64 %t144, ptr %t138
-  br label %each.step6841
-each.step6841:
-  %t147 = load i64, ptr %a56
-  %t148 = add i64 %t147, 1
-  store i64 %t148, ptr %a56
-  br label %each.cond6839
-each.end6842:
-  %t149 = load %S.gen.Plan, ptr %a4
-  store %S.gen.Plan %t149, ptr %a150
-  call void @finch.copy.S_gen_Plan(ptr %a151, ptr %a150)
-  %t152 = load %S.gen.Plan, ptr %a151
-  ret %S.gen.Plan %t152
+ok7237:
+  %t118 = getelementptr inbounds %S.gen.Gen, ptr %t116, i32 0, i32 30
+  %t119 = getelementptr inbounds %S.platform.Target, ptr %t118, i32 0, i32 4
+  %t120 = load i1, ptr %t119
+  br label %logic.rend7238
+logic.rend7238:
+  br label %logic.end7235
+logic.end7235:
+  %t121 = phi i1 [ true, %logic.from7233 ], [ %t120, %logic.rend7238 ]
+  br label %logic.from7239
+logic.from7239:
+  br i1 %t121, label %logic.end7241, label %logic.rhs7240
+logic.rhs7240:
+  %t122 = load i64, ptr %a87
+  %t123 = load i64, ptr %a5
+  %t124 = icmp sle i64 %t122, %t123
+  br label %logic.from7242
+logic.from7242:
+  br i1 %t124, label %logic.rhs7243, label %logic.end7244
+logic.rhs7243:
+  %t125 = load i64, ptr %a88
+  %t126 = load i64, ptr %a6
+  %t127 = icmp sle i64 %t125, %t126
+  br label %logic.rend7245
+logic.rend7245:
+  br label %logic.end7244
+logic.end7244:
+  %t128 = phi i1 [ false, %logic.from7242 ], [ %t127, %logic.rend7245 ]
+  br label %logic.rend7246
+logic.rend7246:
+  br label %logic.end7241
+logic.end7241:
+  %t129 = phi i1 [ true, %logic.from7239 ], [ %t128, %logic.rend7246 ]
+  br i1 %t129, label %then7247, label %else7248
+then7247:
+  %t130 = load i64, ptr %a87
+  %t131 = load i64, ptr %a5
+  %t132 = sub i64 %t131, %t130
+  store i64 %t132, ptr %a5
+  %t133 = load i64, ptr %a88
+  %t134 = load i64, ptr %a6
+  %t135 = sub i64 %t134, %t133
+  store i64 %t135, ptr %a6
+  br label %endif7249
+else7248:
+  %t136 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 0
+  %t137 = load { ptr, i64, i64 }, ptr %t136
+  store { ptr, i64, i64 } { ptr @.str.4634, i64 6, i64 0 }, ptr %t136
+  store { ptr, i64, i64 } %t137, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  br label %endif7249
+endif7249:
+  br label %endif7223
+else7222:
+  %t139 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 0
+  %t140 = load { ptr, i64, i64 }, ptr %t139
+  store { ptr, i64, i64 } %t140, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.4635, i64 6, i64 0 }, ptr %a142
+  %t143 = call i32 @finch_str_eq(ptr %a141, ptr %a142)
+  %t144 = icmp ne i32 %t143, 0
+  br i1 %t144, label %then7250, label %endif7252
+then7250:
+  %t145 = load %S.ast.Type, ptr %a76
+  %t146 = call i1 @finch.gen.isFloat(%S.ast.Type %t145)
+  br i1 %t146, label %then7253, label %else7254
+then7253:
+  %t147 = load i64, ptr %a6
+  %t148 = sub i64 %t147, 1
+  store i64 %t148, ptr %a6
+  br label %endif7255
+else7254:
+  %t149 = load i64, ptr %a5
+  %t150 = sub i64 %t149, 1
+  store i64 %t150, ptr %a5
+  br label %endif7255
+endif7255:
+  br label %endif7252
+endif7252:
+  br label %endif7223
+endif7223:
+  %t151 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 1
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = load %S.gen.Abi, ptr %a80
+  store %S.gen.Abi %t153, ptr %a154
+  call void @finch.copy.S_gen_Abi(ptr %a155, ptr %a154)
+  %t156 = load %S.gen.Abi, ptr %a155
+  %t157 = load i64, ptr %t152
+  %t158 = add i64 %t157, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t158, i64 ptrtoint (ptr getelementptr (%S.gen.Abi, ptr null, i32 1) to i64))
+  %t159 = load ptr, ptr %t151
+  %t160 = getelementptr inbounds %S.gen.Abi, ptr %t159, i64 %t157
+  store %S.gen.Abi %t156, ptr %t160
+  store i64 %t158, ptr %t152
+  call void @finch.drop.S_gen_Abi(ptr %a80)
+  br label %each.step7219
+each.step7219:
+  %t161 = load i64, ptr %a68
+  %t162 = add i64 %t161, 1
+  store i64 %t162, ptr %a68
+  br label %each.cond7217
+each.end7220:
+  %t163 = load %S.gen.Plan, ptr %a4
+  ret %S.gen.Plan %t163
 }
 
 define internal void @finch.gen.checkByValue(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4) {
@@ -61300,39 +72392,54 @@ entry:
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -61341,21 +72448,21 @@ entry:
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4463, i64 6, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.4636, i64 6, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp eq i32 %t10, 0
-  br i1 %t11, label %then6881, label %endif6883
-then6881:
+  br i1 %t11, label %then7256, label %endif7258
+then7256:
   ret void
-endif6883:
+endif7258:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic6884, label %ok6885
-panic6884:
-  call void @finch_panic(ptr @.str.4464, i64 3933, ptr @.str.4465)
+  br i1 %t13, label %panic7259, label %ok7260
+panic7259:
+  call void @finch_panic(ptr @.str.4637, i64 4220, ptr @.str.4638)
   unreachable
-ok6885:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 15
+ok7260:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 16
   %t15 = load ptr, ptr %a1
   %t16 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 3
   %t17 = load { ptr, i64, i64 }, ptr %t16
@@ -61365,11 +72472,11 @@ ok6885:
   %t21 = load { ptr, i64, i64 }, ptr %t14
   %t22 = extractvalue { ptr, i64, i64 } %t21, 1
   %t23 = icmp uge i64 %t20, %t22
-  br i1 %t23, label %range6886, label %inrange6887
-range6886:
-  call void @finch_panic_index(ptr @.str.4466, i64 3933, i64 %t20, i64 %t22)
+  br i1 %t23, label %range7261, label %inrange7262
+range7261:
+  call void @finch_panic_index(ptr @.str.4639, i64 4220, i64 %t20, i64 %t22)
   unreachable
-inrange6887:
+inrange7262:
   %t24 = extractvalue { ptr, i64, i64 } %t21, 0
   %t25 = getelementptr inbounds %S.gen.StructDef, ptr %t24, i64 %t20
   %t26 = load %S.gen.StructDef, ptr %t25
@@ -61380,86 +72487,117 @@ inrange6887:
   %t31 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 2
   %t32 = load i1, ptr %t31
   %t33 = xor i1 %t32, true
-  br i1 %t33, label %then6888, label %endif6890
-then6888:
+  br i1 %t33, label %then7263, label %endif7265
+then7263:
   %t34 = load ptr, ptr %a1
   %t35 = load %S.ast.Node, ptr %a2
   %t36 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.4467, i64 16, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4640, i64 16, i64 0 }, ptr %a38
   store { ptr, i64, i64 } %t36, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
   %t40 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t40, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.4468, i64 2, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.4641, i64 2, i64 0 }, ptr %a43
   call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  %t45 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t44, ptr %a47
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t49, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.4469, i64 18, i64 0 }, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  %t54 = load %S.ast.Type, ptr %a4
-  %t55 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t54)
-  store { ptr, i64, i64 } %t53, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.4470, i64 20, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.fail(ptr %t34, %S.ast.Node %t35, { ptr, i64, i64 } %t63)
-  br label %endif6890
-endif6890:
-  %t64 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
-  %t66 = load i64, ptr %t65
-  %t67 = icmp sgt i64 %t66, 0
-  br i1 %t67, label %then6891, label %endif6893
-then6891:
-  %t68 = load ptr, ptr %a1
-  %t69 = load %S.ast.Node, ptr %a2
-  %t70 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.4471, i64 16, i64 0 }, ptr %a72
-  store { ptr, i64, i64 } %t70, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t74, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.4472, i64 2, i64 0 }, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t78, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.4473, i64 12, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = load %S.ast.Type, ptr %a4
-  %t89 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t88)
-  store { ptr, i64, i64 } %t87, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.4474, i64 40, i64 0 }, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  %t98 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
-  %t99 = load { ptr, i64, i64 }, ptr %t98
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  store { ptr, i64, i64 } %t45, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t51, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.4642, i64 18, i64 0 }, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  %t57 = load %S.ast.Type, ptr %a4
+  %t58 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t57)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  store { ptr, i64, i64 } %t58, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t56, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  store { ptr, i64, i64 } %t58, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a59
+  store { ptr, i64, i64 } %t64, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4643, i64 20, i64 0 }, ptr %a67
+  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a65
+  call void @finch.gen.fail(ptr %t34, %S.ast.Node %t35, { ptr, i64, i64 } %t69)
+  store { ptr, i64, i64 } %t69, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  br label %endif7265
+endif7265:
+  %t71 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
+  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i32 0, i32 1
+  %t73 = load i64, ptr %t72
+  %t74 = icmp sgt i64 %t73, 0
+  br i1 %t74, label %then7266, label %endif7268
+then7266:
+  %t75 = load ptr, ptr %a1
+  %t76 = load %S.ast.Node, ptr %a2
+  %t77 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.4644, i64 16, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  %t81 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t81, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.4645, i64 2, i64 0 }, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t81, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a82
+  %t87 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t86, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t86, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4646, i64 12, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load %S.ast.Type, ptr %a4
+  %t99 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t98)
   store { ptr, i64, i64 } %t97, ptr %a101
   store { ptr, i64, i64 } %t99, ptr %a102
   call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  call void @finch.gen.fail(ptr %t68, %S.ast.Node %t69, { ptr, i64, i64 } %t103)
-  br label %endif6893
-endif6893:
+  store { ptr, i64, i64 } %t97, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  store { ptr, i64, i64 } %t99, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.4647, i64 40, i64 0 }, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t105, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  %t111 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t110, ptr %a114
+  store { ptr, i64, i64 } %t112, ptr %a115
+  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
+  store { ptr, i64, i64 } %t110, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  %t117 = load { ptr, i64, i64 }, ptr %a113
+  call void @finch.gen.fail(ptr %t75, %S.ast.Node %t76, { ptr, i64, i64 } %t117)
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  br label %endif7268
+endif7268:
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
   ret void
 }
 
@@ -61475,51 +72613,51 @@ entry:
   store %S.ast.Type %p0, ptr %a1
   %t2 = load %S.ast.Type, ptr %a1
   %t3 = call i1 @finch.gen.isNumber(%S.ast.Type %t2)
-  br label %logic.from6894
-logic.from6894:
-  br i1 %t3, label %logic.end6896, label %logic.rhs6895
-logic.rhs6895:
+  br label %logic.from7269
+logic.from7269:
+  br i1 %t3, label %logic.end7271, label %logic.rhs7270
+logic.rhs7270:
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4475, i64 4, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.4648, i64 4, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.rend6897
-logic.rend6897:
-  br label %logic.end6896
-logic.end6896:
-  %t10 = phi i1 [ true, %logic.from6894 ], [ %t9, %logic.rend6897 ]
-  br label %logic.from6898
-logic.from6898:
-  br i1 %t10, label %logic.end6900, label %logic.rhs6899
-logic.rhs6899:
+  br label %logic.rend7272
+logic.rend7272:
+  br label %logic.end7271
+logic.end7271:
+  %t10 = phi i1 [ true, %logic.from7269 ], [ %t9, %logic.rend7272 ]
+  br label %logic.from7273
+logic.from7273:
+  br i1 %t10, label %logic.end7275, label %logic.rhs7274
+logic.rhs7274:
   %t11 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.4476, i64 4, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.4649, i64 4, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.rend6901
-logic.rend6901:
-  br label %logic.end6900
-logic.end6900:
-  %t17 = phi i1 [ true, %logic.from6898 ], [ %t16, %logic.rend6901 ]
-  br label %logic.from6902
-logic.from6902:
-  br i1 %t17, label %logic.end6904, label %logic.rhs6903
-logic.rhs6903:
+  br label %logic.rend7276
+logic.rend7276:
+  br label %logic.end7275
+logic.end7275:
+  %t17 = phi i1 [ true, %logic.from7273 ], [ %t16, %logic.rend7276 ]
+  br label %logic.from7277
+logic.from7277:
+  br i1 %t17, label %logic.end7279, label %logic.rhs7278
+logic.rhs7278:
   %t18 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.4477, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4650, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend6905
-logic.rend6905:
-  br label %logic.end6904
-logic.end6904:
-  %t24 = phi i1 [ true, %logic.from6902 ], [ %t23, %logic.rend6905 ]
+  br label %logic.rend7280
+logic.rend7280:
+  br label %logic.end7279
+logic.end7279:
+  %t24 = phi i1 [ true, %logic.from7277 ], [ %t23, %logic.rend7280 ]
   ret i1 %t24
 }
 
@@ -61532,27 +72670,35 @@ entry:
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca i64, align 16
-  %a100 = alloca %S.gen.FnSig, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca i64, align 16
+  %a106 = alloca %S.gen.FnSig, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.gen.FnSig %p2, ptr %a3
@@ -61560,71 +72706,71 @@ entry:
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = icmp sgt i64 %t6, 0
-  br i1 %t7, label %then6906, label %endif6908
-then6906:
+  br i1 %t7, label %then7281, label %endif7283
+then7281:
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.4478, i64 59, i64 0 })
-  br label %endif6908
-endif6908:
+  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.4651, i64 59, i64 0 })
+  br label %endif7283
+endif7283:
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 7
   %t11 = load i1, ptr %t10
-  br i1 %t11, label %then6909, label %endif6911
-then6909:
+  br i1 %t11, label %then7284, label %endif7286
+then7284:
   %t12 = load ptr, ptr %a1
   %t13 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t12, %S.ast.Node %t13, { ptr, i64, i64 } { ptr @.str.4479, i64 74, i64 0 })
-  br label %endif6911
-endif6911:
+  call void @finch.gen.fail(ptr %t12, %S.ast.Node %t13, { ptr, i64, i64 } { ptr @.str.4652, i64 74, i64 0 })
+  br label %endif7286
+endif7286:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 3
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp sgt i64 %t16, 0
-  br i1 %t17, label %then6912, label %endif6914
-then6912:
+  br i1 %t17, label %then7287, label %endif7289
+then7287:
   %t18 = load ptr, ptr %a1
   %t19 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t18, %S.ast.Node %t19, { ptr, i64, i64 } { ptr @.str.4480, i64 29, i64 0 })
-  br label %endif6914
-endif6914:
+  call void @finch.gen.fail(ptr %t18, %S.ast.Node %t19, { ptr, i64, i64 } { ptr @.str.4653, i64 29, i64 0 })
+  br label %endif7289
+endif7289:
   %t20 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 13
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
   %t22 = load i64, ptr %t21
   store i64 0, ptr %a23
-  br label %for.cond6915
-for.cond6915:
+  br label %for.cond7290
+for.cond7290:
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, %t22
-  br i1 %t25, label %for.body6916, label %for.end6918
-for.body6916:
+  br i1 %t25, label %for.body7291, label %for.end7293
+for.body7291:
   %t26 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 13
   %t27 = load i64, ptr %a23
   %t28 = load { ptr, i64, i64 }, ptr %t26
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 %t27, %t29
-  br i1 %t30, label %range6919, label %inrange6920
-range6919:
-  call void @finch_panic_index(ptr @.str.4481, i64 3958, i64 %t27, i64 %t29)
+  br i1 %t30, label %range7294, label %inrange7295
+range7294:
+  call void @finch_panic_index(ptr @.str.4654, i64 4245, i64 %t27, i64 %t29)
   unreachable
-inrange6920:
+inrange7295:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i64 %t27
   %t33 = load %S.ast.Type, ptr %t32
   %t34 = call i1 @finch.gen.cPlain(%S.ast.Type %t33)
   %t35 = xor i1 %t34, true
-  br i1 %t35, label %then6921, label %endif6923
-then6921:
+  br i1 %t35, label %then7296, label %endif7298
+then7296:
   %t36 = load ptr, ptr %a1
   %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t38 = load i64, ptr %a23
   %t39 = load { ptr, i64, i64 }, ptr %t37
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range6924, label %inrange6925
-range6924:
-  call void @finch_panic_index(ptr @.str.4482, i64 3959, i64 %t38, i64 %t40)
+  br i1 %t41, label %range7299, label %inrange7300
+range7299:
+  call void @finch_panic_index(ptr @.str.4655, i64 4246, i64 %t38, i64 %t40)
   unreachable
-inrange6925:
+inrange7300:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t38
   %t44 = load %S.ast.Node, ptr %t43
@@ -61633,135 +72779,151 @@ inrange6925:
   %t47 = load { ptr, i64, i64 }, ptr %t45
   %t48 = extractvalue { ptr, i64, i64 } %t47, 1
   %t49 = icmp uge i64 %t46, %t48
-  br i1 %t49, label %range6926, label %inrange6927
-range6926:
-  call void @finch_panic_index(ptr @.str.4484, i64 3959, i64 %t46, i64 %t48)
+  br i1 %t49, label %range7301, label %inrange7302
+range7301:
+  call void @finch_panic_index(ptr @.str.4657, i64 4246, i64 %t46, i64 %t48)
   unreachable
-inrange6927:
+inrange7302:
   %t50 = extractvalue { ptr, i64, i64 } %t47, 0
   %t51 = getelementptr inbounds %S.ast.Type, ptr %t50, i64 %t46
   %t52 = load %S.ast.Type, ptr %t51
   %t53 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t52)
-  store { ptr, i64, i64 } { ptr @.str.4483, i64 66, i64 0 }, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.4656, i64 66, i64 0 }, ptr %a55
   store { ptr, i64, i64 } %t53, ptr %a56
   call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t57, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.4485, i64 50, i64 0 }, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t44, { ptr, i64, i64 } %t61)
-  br label %endif6923
-endif6923:
-  br label %for.step6917
-for.step6917:
-  %t62 = load i64, ptr %a23
-  %t63 = add i64 %t62, 1
-  store i64 %t63, ptr %a23
-  br label %for.cond6915
-for.end6918:
-  %t64 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
-  %t65 = getelementptr inbounds %S.ast.Type, ptr %t64, i32 0, i32 0
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.4486, i64 4, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp eq i32 %t69, 0
-  br label %logic.from6928
-logic.from6928:
-  br i1 %t70, label %logic.rhs6929, label %logic.end6930
-logic.rhs6929:
-  %t71 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
-  %t72 = load %S.ast.Type, ptr %t71
-  %t73 = call i1 @finch.gen.cPlain(%S.ast.Type %t72)
-  %t74 = xor i1 %t73, true
-  br label %logic.rend6931
-logic.rend6931:
-  br label %logic.end6930
-logic.end6930:
-  %t75 = phi i1 [ false, %logic.from6928 ], [ %t74, %logic.rend6931 ]
-  br i1 %t75, label %then6932, label %endif6934
-then6932:
-  %t76 = load ptr, ptr %a1
-  %t77 = load %S.ast.Node, ptr %a2
-  %t78 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
-  %t79 = load %S.ast.Type, ptr %t78
-  %t80 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t79)
-  store { ptr, i64, i64 } { ptr @.str.4487, i64 69, i64 0 }, ptr %a82
-  store { ptr, i64, i64 } %t80, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t84, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.4488, i64 1, i64 0 }, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  call void @finch.gen.fail(ptr %t76, %S.ast.Node %t77, { ptr, i64, i64 } %t88)
-  br label %endif6934
-endif6934:
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic6935, label %ok6936
-panic6935:
-  call void @finch_panic(ptr @.str.4489, i64 3965, ptr @.str.4490)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t58, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.4658, i64 50, i64 0 }, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t44, { ptr, i64, i64 } %t63)
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  br label %endif7298
+endif7298:
+  br label %for.step7292
+for.step7292:
+  %t65 = load i64, ptr %a23
+  %t66 = add i64 %t65, 1
+  store i64 %t66, ptr %a23
+  br label %for.cond7290
+for.end7293:
+  %t67 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
+  %t68 = getelementptr inbounds %S.ast.Type, ptr %t67, i32 0, i32 0
+  %t69 = load { ptr, i64, i64 }, ptr %t68
+  store { ptr, i64, i64 } %t69, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.4659, i64 4, i64 0 }, ptr %a71
+  %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
+  %t73 = icmp eq i32 %t72, 0
+  br label %logic.from7303
+logic.from7303:
+  br i1 %t73, label %logic.rhs7304, label %logic.end7305
+logic.rhs7304:
+  %t74 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
+  %t75 = load %S.ast.Type, ptr %t74
+  %t76 = call i1 @finch.gen.cPlain(%S.ast.Type %t75)
+  %t77 = xor i1 %t76, true
+  br label %logic.rend7306
+logic.rend7306:
+  br label %logic.end7305
+logic.end7305:
+  %t78 = phi i1 [ false, %logic.from7303 ], [ %t77, %logic.rend7306 ]
+  br i1 %t78, label %then7307, label %endif7309
+then7307:
+  %t79 = load ptr, ptr %a1
+  %t80 = load %S.ast.Node, ptr %a2
+  %t81 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
+  %t82 = load %S.ast.Type, ptr %t81
+  %t83 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t82)
+  store { ptr, i64, i64 } { ptr @.str.4660, i64 69, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.4661, i64 1, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.fail(ptr %t79, %S.ast.Node %t80, { ptr, i64, i64 } %t93)
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  br label %endif7309
+endif7309:
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic7310, label %ok7311
+panic7310:
+  call void @finch_panic(ptr @.str.4662, i64 4252, ptr @.str.4663)
   unreachable
-ok6936:
-  %t91 = getelementptr inbounds %S.gen.Gen, ptr %t89, i32 0, i32 14
-  store i64 0, ptr %a92
-  br label %each.cond6937
-each.cond6937:
-  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
-  %t94 = load i64, ptr %t93
-  %t95 = load i64, ptr %a92
-  %t96 = icmp slt i64 %t95, %t94
-  br i1 %t96, label %each.body6938, label %each.end6940
-each.body6938:
-  %t97 = load ptr, ptr %t91
-  %t98 = getelementptr inbounds %S.gen.FnSig, ptr %t97, i64 %t95
-  %t99 = load %S.gen.FnSig, ptr %t98
-  store %S.gen.FnSig %t99, ptr %a100
-  %t101 = getelementptr inbounds %S.gen.FnSig, ptr %a100, i32 0, i32 5
-  %t102 = load i1, ptr %t101
-  br label %logic.from6941
-logic.from6941:
-  br i1 %t102, label %logic.rhs6942, label %logic.end6943
-logic.rhs6942:
-  %t103 = getelementptr inbounds %S.gen.FnSig, ptr %a100, i32 0, i32 1
-  %t104 = load { ptr, i64, i64 }, ptr %t103
-  %t105 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  store { ptr, i64, i64 } %t104, ptr %a107
-  store { ptr, i64, i64 } %t106, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend6944
-logic.rend6944:
-  br label %logic.end6943
-logic.end6943:
-  %t111 = phi i1 [ false, %logic.from6941 ], [ %t110, %logic.rend6944 ]
-  br i1 %t111, label %then6945, label %endif6947
-then6945:
-  %t112 = load ptr, ptr %a1
-  %t113 = load %S.ast.Node, ptr %a2
-  %t114 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
-  %t115 = load { ptr, i64, i64 }, ptr %t114
-  store { ptr, i64, i64 } { ptr @.str.4491, i64 1, i64 0 }, ptr %a117
-  store { ptr, i64, i64 } %t115, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  store { ptr, i64, i64 } %t119, ptr %a121
-  store { ptr, i64, i64 } { ptr @.str.4492, i64 38, i64 0 }, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  call void @finch.gen.fail(ptr %t112, %S.ast.Node %t113, { ptr, i64, i64 } %t123)
-  br label %endif6947
-endif6947:
-  br label %each.step6939
-each.step6939:
-  %t124 = load i64, ptr %a92
-  %t125 = add i64 %t124, 1
-  store i64 %t125, ptr %a92
-  br label %each.cond6937
-each.end6940:
+ok7311:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 15
+  store i64 0, ptr %a98
+  br label %each.cond7312
+each.cond7312:
+  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t97, i32 0, i32 1
+  %t100 = load i64, ptr %t99
+  %t101 = load i64, ptr %a98
+  %t102 = icmp slt i64 %t101, %t100
+  br i1 %t102, label %each.body7313, label %each.end7315
+each.body7313:
+  %t103 = load ptr, ptr %t97
+  %t104 = getelementptr inbounds %S.gen.FnSig, ptr %t103, i64 %t101
+  %t105 = load %S.gen.FnSig, ptr %t104
+  store %S.gen.FnSig %t105, ptr %a106
+  %t107 = getelementptr inbounds %S.gen.FnSig, ptr %a106, i32 0, i32 5
+  %t108 = load i1, ptr %t107
+  br label %logic.from7316
+logic.from7316:
+  br i1 %t108, label %logic.rhs7317, label %logic.end7318
+logic.rhs7317:
+  %t109 = getelementptr inbounds %S.gen.FnSig, ptr %a106, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  %t111 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t110, ptr %a113
+  store { ptr, i64, i64 } %t112, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br label %logic.rend7319
+logic.rend7319:
+  br label %logic.end7318
+logic.end7318:
+  %t117 = phi i1 [ false, %logic.from7316 ], [ %t116, %logic.rend7319 ]
+  br i1 %t117, label %then7320, label %endif7322
+then7320:
+  %t118 = load ptr, ptr %a1
+  %t119 = load %S.ast.Node, ptr %a2
+  %t120 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %t120
+  store { ptr, i64, i64 } { ptr @.str.4664, i64 1, i64 0 }, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t125, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.4665, i64 38, i64 0 }, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t125, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  call void @finch.gen.fail(ptr %t118, %S.ast.Node %t119, { ptr, i64, i64 } %t130)
+  store { ptr, i64, i64 } %t130, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  br label %endif7322
+endif7322:
+  br label %each.step7314
+each.step7314:
+  %t132 = load i64, ptr %a98
+  %t133 = add i64 %t132, 1
+  store i64 %t133, ptr %a98
+  br label %each.cond7312
+each.end7315:
   ret void
 }
 
@@ -61782,110 +72944,154 @@ entry:
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
   %a266 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.FnSig %p1, ptr %a2
   store { ptr, i64, i64 } zeroinitializer, ptr %a3
@@ -61897,22 +73103,22 @@ entry:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   store i64 0, ptr %a11
-  br label %for.cond6948
-for.cond6948:
+  br label %for.cond7323
+for.cond7323:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t10
-  br i1 %t13, label %for.body6949, label %for.end6951
-for.body6949:
+  br i1 %t13, label %for.body7324, label %for.end7326
+for.body7324:
   %t14 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 13
   %t15 = load i64, ptr %a11
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range6952, label %inrange6953
-range6952:
-  call void @finch_panic_index(ptr @.str.4493, i64 3978, i64 %t15, i64 %t17)
+  br i1 %t18, label %range7327, label %inrange7328
+range7327:
+  call void @finch_panic_index(ptr @.str.4666, i64 4265, i64 %t15, i64 %t17)
   unreachable
-inrange6953:
+inrange7328:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.ast.Type, ptr %t19, i64 %t15
   %t21 = load %S.ast.Type, ptr %t20
@@ -61923,300 +73129,437 @@ inrange6953:
   %t26 = getelementptr inbounds %S.ast.Type, ptr %a25, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.4494, i64 4, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.4667, i64 4, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br i1 %t31, label %then6954, label %else6955
-then6954:
+  br i1 %t31, label %then7329, label %else7330
+then7329:
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t33 = load i64, ptr %a11
   call void @finch_str_from_int(ptr %a34, i64 %t33)
   %t35 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.4495, i64 13, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.4668, i64 13, i64 0 }, ptr %a37
   store { ptr, i64, i64 } %t35, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load i64, ptr %t32
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %a3, i64 %t41, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %a3
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i64 %t40
-  store { ptr, i64, i64 } %t39, ptr %t43
-  store i64 %t41, ptr %t32
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t45 = load ptr, ptr %a1
-  %t46 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a47, i64 %t46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.4497, i64 13, i64 0 }, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.4498, i64 3, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = call { ptr, i64, i64 } @finch.gen.op(ptr %t45, { ptr, i64, i64 } %t56)
-  store { ptr, i64, i64 } { ptr @.str.4496, i64 3, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load i64, ptr %t44
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %a4, i64 %t63, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %a4
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t62
-  store { ptr, i64, i64 } %t61, ptr %t65
-  store i64 %t63, ptr %t44
-  br label %endif6956
-else6955:
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t67 = load ptr, ptr %a1
-  %t68 = load %S.ast.Type, ptr %a25
-  %t69 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t67, %S.ast.Type %t68)
-  %t70 = load ptr, ptr %a1
-  %t71 = load %S.ast.Type, ptr %a25
-  %t72 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t70, %S.ast.Type %t71)
-  store { ptr, i64, i64 } %t69, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  store { ptr, i64, i64 } %t76, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.4499, i64 3, i64 0 }, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a82, i64 %t81)
-  %t83 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t80, ptr %a85
-  store { ptr, i64, i64 } %t83, ptr %a86
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load i64, ptr %t32
+  %t42 = add i64 %t41, 1
+  call void @finch_arr_reserve(ptr %a3, i64 %t42, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t43 = load ptr, ptr %a3
+  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
+  store { ptr, i64, i64 } %t40, ptr %t44
+  store i64 %t42, ptr %t32
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t46 = load ptr, ptr %a1
+  %t47 = load i64, ptr %a11
+  call void @finch_str_from_int(ptr %a48, i64 %t47)
+  %t49 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.4670, i64 13, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.4671, i64 3, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  %t60 = call { ptr, i64, i64 } @finch.gen.op(ptr %t46, { ptr, i64, i64 } %t59)
+  store { ptr, i64, i64 } %t59, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  store { ptr, i64, i64 } { ptr @.str.4669, i64 3, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = load i64, ptr %t45
+  %t68 = add i64 %t67, 1
+  call void @finch_arr_reserve(ptr %a4, i64 %t68, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t69 = load ptr, ptr %a4
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i64 %t67
+  store { ptr, i64, i64 } %t66, ptr %t70
+  store i64 %t68, ptr %t45
+  br label %endif7331
+else7330:
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t72 = load ptr, ptr %a1
+  %t73 = load %S.ast.Type, ptr %a25
+  %t74 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t72, %S.ast.Type %t73)
+  %t75 = load ptr, ptr %a1
+  %t76 = load %S.ast.Type, ptr %a25
+  %t77 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t75, %S.ast.Type %t76)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t74, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.4672, i64 3, i64 0 }, ptr %a86
   call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = load i64, ptr %t66
-  %t89 = add i64 %t88, 1
-  call void @finch_arr_reserve(ptr %a3, i64 %t89, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t90 = load ptr, ptr %a3
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i64 %t88
-  store { ptr, i64, i64 } %t87, ptr %t91
-  store i64 %t89, ptr %t66
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t93 = load ptr, ptr %a1
-  %t94 = load %S.ast.Type, ptr %a25
-  %t95 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t93, %S.ast.Type %t94)
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.4500, i64 3, i64 0 }, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a101, i64 %t100)
-  %t102 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t99, ptr %a104
-  store { ptr, i64, i64 } %t102, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  %t107 = load i64, ptr %t92
-  %t108 = add i64 %t107, 1
-  call void @finch_arr_reserve(ptr %a4, i64 %t108, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t109 = load ptr, ptr %a4
-  %t110 = getelementptr inbounds { ptr, i64, i64 }, ptr %t109, i64 %t107
-  store { ptr, i64, i64 } %t106, ptr %t110
-  store i64 %t108, ptr %t92
-  br label %endif6956
-endif6956:
-  br label %for.step6950
-for.step6950:
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  %t89 = load i64, ptr %a11
+  call void @finch_str_from_int(ptr %a90, i64 %t89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t88, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a92
+  %t98 = load i64, ptr %t71
+  %t99 = add i64 %t98, 1
+  call void @finch_arr_reserve(ptr %a3, i64 %t99, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t100 = load ptr, ptr %a3
+  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i64 %t98
+  store { ptr, i64, i64 } %t97, ptr %t101
+  store i64 %t99, ptr %t71
+  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t103 = load ptr, ptr %a1
+  %t104 = load %S.ast.Type, ptr %a25
+  %t105 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t103, %S.ast.Type %t104)
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.4673, i64 3, i64 0 }, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t105, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
   %t111 = load i64, ptr %a11
-  %t112 = add i64 %t111, 1
-  store i64 %t112, ptr %a11
-  br label %for.cond6948
-for.end6951:
-  %t113 = load ptr, ptr %a1
-  %t114 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t115 = load %S.ast.Type, ptr %t114
-  %t116 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t113, %S.ast.Type %t115)
-  store { ptr, i64, i64 } { ptr @.str.4501, i64 5, i64 0 }, ptr %a118
-  store { ptr, i64, i64 } %t116, ptr %a119
-  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  store { ptr, i64, i64 } %t120, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.4502, i64 1, i64 0 }, ptr %a123
-  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
-  %t124 = load { ptr, i64, i64 }, ptr %a121
-  %t125 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t124, ptr %a128
-  store { ptr, i64, i64 } %t126, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t130, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.4503, i64 1, i64 0 }, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4504, i64 2, i64 0 }, ptr %a136
-  call void @finch_str_join(ptr %a137, ptr %a4, ptr %a136)
-  %t138 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t134, ptr %a140
-  store { ptr, i64, i64 } %t138, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  store { ptr, i64, i64 } %t142, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.4505, i64 1, i64 0 }, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  store { ptr, i64, i64 } %t146, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.4506, i64 4, i64 0 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.4507, i64 0, i64 0 }, ptr %a149
-  %t150 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t151 = getelementptr inbounds %S.ast.Type, ptr %t150, i32 0, i32 0
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.4508, i64 4, i64 0 }, ptr %a154
-  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
-  %t156 = icmp ne i32 %t155, 0
-  br i1 %t156, label %then6957, label %else6958
-then6957:
-  %t157 = load ptr, ptr %a1
-  %t158 = load { ptr, i64, i64 }, ptr %a147
-  call void @finch.gen.emit(ptr %t157, { ptr, i64, i64 } %t158)
-  %t159 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t159, { ptr, i64, i64 } { ptr @.str.4509, i64 8, i64 0 })
-  br label %endif6959
-else6958:
-  %t160 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t161 = getelementptr inbounds %S.ast.Type, ptr %t160, i32 0, i32 0
-  %t162 = load { ptr, i64, i64 }, ptr %t161
-  store { ptr, i64, i64 } %t162, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.4510, i64 4, i64 0 }, ptr %a164
-  %t165 = call i32 @finch_str_eq(ptr %a163, ptr %a164)
-  %t166 = icmp ne i32 %t165, 0
-  br i1 %t166, label %then6960, label %else6961
-then6960:
-  store { ptr, i64, i64 } { ptr @.str.4511, i64 2, i64 0 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.4512, i64 8, i64 0 }, ptr %a149
-  %t167 = load ptr, ptr %a1
-  %t168 = load ptr, ptr %a1
-  %t169 = load ptr, ptr %a1
-  %t170 = load { ptr, i64, i64 }, ptr %a147
-  %t171 = call { ptr, i64, i64 } @finch.gen.op(ptr %t169, { ptr, i64, i64 } %t170)
-  store { ptr, i64, i64 } { ptr @.str.4514, i64 8, i64 0 }, ptr %a173
-  store { ptr, i64, i64 } %t171, ptr %a174
-  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
-  %t175 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.4515, i64 6, i64 0 }, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = call { ptr, i64, i64 } @finch.gen.op(ptr %t168, { ptr, i64, i64 } %t179)
-  store { ptr, i64, i64 } { ptr @.str.4513, i64 7, i64 0 }, ptr %a182
-  store { ptr, i64, i64 } %t180, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  call void @finch.gen.emit(ptr %t167, { ptr, i64, i64 } %t184)
-  br label %endif6962
-else6961:
-  %t185 = load ptr, ptr %a1
-  %t186 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t187 = load %S.ast.Type, ptr %t186
-  %t188 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t185, %S.ast.Type %t187)
-  store { ptr, i64, i64 } %t188, ptr %a148
-  %t189 = load ptr, ptr %a1
-  %t190 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t191 = load %S.ast.Type, ptr %t190
-  %t192 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t189, %S.ast.Type %t191)
-  store { ptr, i64, i64 } %t192, ptr %a149
+  call void @finch_str_from_int(ptr %a112, i64 %t111)
+  %t113 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a115
+  store { ptr, i64, i64 } %t113, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t110, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  store { ptr, i64, i64 } %t113, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a114
+  %t120 = load i64, ptr %t102
+  %t121 = add i64 %t120, 1
+  call void @finch_arr_reserve(ptr %a4, i64 %t121, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t122 = load ptr, ptr %a4
+  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 %t120
+  store { ptr, i64, i64 } %t119, ptr %t123
+  store i64 %t121, ptr %t102
+  br label %endif7331
+endif7331:
+  call void @finch.drop.S_ast_Type(ptr %a25)
+  br label %for.step7325
+for.step7325:
+  %t124 = load i64, ptr %a11
+  %t125 = add i64 %t124, 1
+  store i64 %t125, ptr %a11
+  br label %for.cond7323
+for.end7326:
+  %t126 = load ptr, ptr %a1
+  %t127 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t128 = load %S.ast.Type, ptr %t127
+  %t129 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t126, %S.ast.Type %t128)
+  store { ptr, i64, i64 } { ptr @.str.4674, i64 5, i64 0 }, ptr %a131
+  store { ptr, i64, i64 } %t129, ptr %a132
+  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
+  store { ptr, i64, i64 } %t129, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t134, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4675, i64 1, i64 0 }, ptr %a137
+  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
+  store { ptr, i64, i64 } %t134, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  %t139 = load { ptr, i64, i64 }, ptr %a135
+  %t140 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  store { ptr, i64, i64 } %t139, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t139, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.4676, i64 1, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4677, i64 2, i64 0 }, ptr %a153
+  call void @finch_str_join(ptr %a154, ptr %a4, ptr %a153)
+  %t155 = load { ptr, i64, i64 }, ptr %a154
+  store { ptr, i64, i64 } %t151, ptr %a157
+  store { ptr, i64, i64 } %t155, ptr %a158
+  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
+  store { ptr, i64, i64 } %t151, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  store { ptr, i64, i64 } %t155, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a156
+  store { ptr, i64, i64 } %t161, ptr %a163
+  store { ptr, i64, i64 } { ptr @.str.4678, i64 1, i64 0 }, ptr %a164
+  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
+  store { ptr, i64, i64 } %t161, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.4679, i64 4, i64 0 }, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4680, i64 0, i64 0 }, ptr %a169
+  %t170 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t171 = getelementptr inbounds %S.ast.Type, ptr %t170, i32 0, i32 0
+  %t172 = load { ptr, i64, i64 }, ptr %t171
+  store { ptr, i64, i64 } %t172, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.4681, i64 4, i64 0 }, ptr %a174
+  %t175 = call i32 @finch_str_eq(ptr %a173, ptr %a174)
+  %t176 = icmp ne i32 %t175, 0
+  br i1 %t176, label %then7332, label %else7333
+then7332:
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a167
+  call void @finch.gen.emit(ptr %t177, { ptr, i64, i64 } %t178)
+  %t179 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t179, { ptr, i64, i64 } { ptr @.str.4682, i64 8, i64 0 })
+  br label %endif7334
+else7333:
+  %t180 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t181 = getelementptr inbounds %S.ast.Type, ptr %t180, i32 0, i32 0
+  %t182 = load { ptr, i64, i64 }, ptr %t181
+  store { ptr, i64, i64 } %t182, ptr %a183
+  store { ptr, i64, i64 } { ptr @.str.4683, i64 4, i64 0 }, ptr %a184
+  %t185 = call i32 @finch_str_eq(ptr %a183, ptr %a184)
+  %t186 = icmp ne i32 %t185, 0
+  br i1 %t186, label %then7335, label %else7336
+then7335:
+  %t187 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4684, i64 2, i64 0 }, ptr %a168
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch_str_drop(ptr %a188)
+  %t189 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4685, i64 8, i64 0 }, ptr %a169
+  store { ptr, i64, i64 } %t189, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load ptr, ptr %a1
+  %t192 = load ptr, ptr %a1
   %t193 = load ptr, ptr %a1
-  %t194 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.4516, i64 4, i64 0 }, ptr %a196
-  store { ptr, i64, i64 } %t194, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t198, ptr %a200
-  store { ptr, i64, i64 } { ptr @.str.4517, i64 1, i64 0 }, ptr %a201
-  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
-  %t202 = load { ptr, i64, i64 }, ptr %a199
-  %t203 = load ptr, ptr %a1
-  %t204 = load { ptr, i64, i64 }, ptr %a147
-  %t205 = call { ptr, i64, i64 } @finch.gen.op(ptr %t203, { ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } %t202, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  call void @finch.gen.emit(ptr %t193, { ptr, i64, i64 } %t209)
-  br label %endif6962
-endif6962:
-  br label %endif6959
-endif6959:
-  store { ptr, i64, i64 } { ptr @.str.4518, i64 0, i64 0 }, ptr %a210
-  %t211 = load ptr, ptr %a1
-  %t212 = icmp eq ptr %t211, null
-  br i1 %t212, label %panic6963, label %ok6964
-panic6963:
-  call void @finch_panic(ptr @.str.4519, i64 4003, ptr @.str.4520)
-  unreachable
-ok6964:
-  %t213 = getelementptr inbounds %S.gen.Gen, ptr %t211, i32 0, i32 29
-  %t214 = getelementptr inbounds %S.platform.Target, ptr %t213, i32 0, i32 1
-  %t215 = load i1, ptr %t214
-  br i1 %t215, label %then6965, label %endif6967
-then6965:
-  store { ptr, i64, i64 } { ptr @.str.4521, i64 10, i64 0 }, ptr %a210
-  br label %endif6967
-endif6967:
-  %t216 = load ptr, ptr %a1
-  %t217 = load %S.gen.Saved, ptr %a7
-  %t218 = load { ptr, i64, i64 }, ptr %a210
-  store { ptr, i64, i64 } { ptr @.str.4522, i64 6, i64 0 }, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  %t223 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t222, ptr %a225
-  store { ptr, i64, i64 } %t223, ptr %a226
-  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t227, ptr %a229
-  store { ptr, i64, i64 } { ptr @.str.4523, i64 1, i64 0 }, ptr %a230
+  %t194 = load { ptr, i64, i64 }, ptr %a167
+  %t195 = call { ptr, i64, i64 } @finch.gen.op(ptr %t193, { ptr, i64, i64 } %t194)
+  store { ptr, i64, i64 } { ptr @.str.4687, i64 8, i64 0 }, ptr %a197
+  store { ptr, i64, i64 } %t195, ptr %a198
+  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
+  store { ptr, i64, i64 } %t195, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = load { ptr, i64, i64 }, ptr %a196
+  store { ptr, i64, i64 } %t200, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.4688, i64 6, i64 0 }, ptr %a203
+  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
+  store { ptr, i64, i64 } %t200, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a201
+  %t206 = call { ptr, i64, i64 } @finch.gen.op(ptr %t192, { ptr, i64, i64 } %t205)
+  store { ptr, i64, i64 } %t205, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  store { ptr, i64, i64 } { ptr @.str.4686, i64 7, i64 0 }, ptr %a209
+  store { ptr, i64, i64 } %t206, ptr %a210
+  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
+  store { ptr, i64, i64 } %t206, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load { ptr, i64, i64 }, ptr %a208
+  call void @finch.gen.emit(ptr %t191, { ptr, i64, i64 } %t212)
+  store { ptr, i64, i64 } %t212, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %endif7337
+else7336:
+  %t214 = load ptr, ptr %a1
+  %t215 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t216 = load %S.ast.Type, ptr %t215
+  %t217 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t214, %S.ast.Type %t216)
+  %t218 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t217, ptr %a168
+  store { ptr, i64, i64 } %t218, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = load ptr, ptr %a1
+  %t221 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t222 = load %S.ast.Type, ptr %t221
+  %t223 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t220, %S.ast.Type %t222)
+  %t224 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t223, ptr %a169
+  store { ptr, i64, i64 } %t224, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load ptr, ptr %a1
+  %t227 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4689, i64 4, i64 0 }, ptr %a229
+  store { ptr, i64, i64 } %t227, ptr %a230
   call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
   %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } %t231, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  store { ptr, i64, i64 } %t236, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.4524, i64 2, i64 0 }, ptr %a239
-  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
-  %t240 = load { ptr, i64, i64 }, ptr %a237
-  %t241 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
-  %t242 = load { ptr, i64, i64 }, ptr %t241
-  store { ptr, i64, i64 } %t240, ptr %a244
-  store { ptr, i64, i64 } %t242, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  store { ptr, i64, i64 } %t246, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.4525, i64 1, i64 0 }, ptr %a249
-  call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
-  %t250 = load { ptr, i64, i64 }, ptr %a247
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4526, i64 2, i64 0 }, ptr %a252
-  call void @finch_str_join(ptr %a253, ptr %a3, ptr %a252)
-  %t254 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t250, ptr %a256
-  store { ptr, i64, i64 } %t254, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  store { ptr, i64, i64 } %t258, ptr %a260
-  store { ptr, i64, i64 } { ptr @.str.4527, i64 1, i64 0 }, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  call void @finch.gen.endHelper(ptr %t216, %S.gen.Saved %t217, { ptr, i64, i64 } %t262)
-  %t263 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
-  %t264 = load { ptr, i64, i64 }, ptr %t263
-  store { ptr, i64, i64 } %t264, ptr %a265
-  call void @finch_str_copy(ptr %a266, ptr %a265)
-  %t267 = load { ptr, i64, i64 }, ptr %a266
-  ret { ptr, i64, i64 } %t267
+  store { ptr, i64, i64 } %t231, ptr %a233
+  store { ptr, i64, i64 } { ptr @.str.4690, i64 1, i64 0 }, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t231, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a232
+  %t237 = load ptr, ptr %a1
+  %t238 = load { ptr, i64, i64 }, ptr %a167
+  %t239 = call { ptr, i64, i64 } @finch.gen.op(ptr %t237, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t236, ptr %a241
+  store { ptr, i64, i64 } %t239, ptr %a242
+  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
+  store { ptr, i64, i64 } %t236, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  store { ptr, i64, i64 } %t239, ptr %a244
+  call void @finch_str_drop(ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.emit(ptr %t226, { ptr, i64, i64 } %t245)
+  store { ptr, i64, i64 } %t245, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  br label %endif7337
+endif7337:
+  br label %endif7334
+endif7334:
+  store { ptr, i64, i64 } { ptr @.str.4691, i64 0, i64 0 }, ptr %a247
+  %t248 = load ptr, ptr %a1
+  %t249 = icmp eq ptr %t248, null
+  br i1 %t249, label %panic7338, label %ok7339
+panic7338:
+  call void @finch_panic(ptr @.str.4692, i64 4290, ptr @.str.4693)
+  unreachable
+ok7339:
+  %t250 = getelementptr inbounds %S.gen.Gen, ptr %t248, i32 0, i32 30
+  %t251 = getelementptr inbounds %S.platform.Target, ptr %t250, i32 0, i32 1
+  %t252 = load i1, ptr %t251
+  br i1 %t252, label %then7340, label %endif7342
+then7340:
+  %t253 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.4694, i64 10, i64 0 }, ptr %a247
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_drop(ptr %a254)
+  br label %endif7342
+endif7342:
+  %t255 = load ptr, ptr %a1
+  %t256 = load %S.gen.Saved, ptr %a7
+  %t257 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.4695, i64 6, i64 0 }, ptr %a259
+  store { ptr, i64, i64 } %t257, ptr %a260
+  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a258
+  %t262 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t261, ptr %a264
+  store { ptr, i64, i64 } %t262, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  store { ptr, i64, i64 } %t261, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t267, ptr %a269
+  store { ptr, i64, i64 } { ptr @.str.4696, i64 1, i64 0 }, ptr %a270
+  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
+  store { ptr, i64, i64 } %t267, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  %t272 = load { ptr, i64, i64 }, ptr %a268
+  %t273 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t272, ptr %a275
+  store { ptr, i64, i64 } %t273, ptr %a276
+  call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
+  store { ptr, i64, i64 } %t272, ptr %a277
+  call void @finch_str_drop(ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a274
+  store { ptr, i64, i64 } %t278, ptr %a280
+  store { ptr, i64, i64 } { ptr @.str.4697, i64 2, i64 0 }, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  %t284 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  store { ptr, i64, i64 } %t283, ptr %a287
+  store { ptr, i64, i64 } %t285, ptr %a288
+  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
+  store { ptr, i64, i64 } %t283, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a286
+  store { ptr, i64, i64 } %t290, ptr %a292
+  store { ptr, i64, i64 } { ptr @.str.4698, i64 1, i64 0 }, ptr %a293
+  call void @finch_str_concat(ptr %a291, ptr %a292, ptr %a293)
+  store { ptr, i64, i64 } %t290, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a291
+  %t296 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4699, i64 2, i64 0 }, ptr %a297
+  call void @finch_str_join(ptr %a298, ptr %a3, ptr %a297)
+  %t299 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t295, ptr %a301
+  store { ptr, i64, i64 } %t299, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t295, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  store { ptr, i64, i64 } %t299, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } %t305, ptr %a307
+  store { ptr, i64, i64 } { ptr @.str.4700, i64 1, i64 0 }, ptr %a308
+  call void @finch_str_concat(ptr %a306, ptr %a307, ptr %a308)
+  store { ptr, i64, i64 } %t305, ptr %a309
+  call void @finch_str_drop(ptr %a309)
+  %t310 = load { ptr, i64, i64 }, ptr %a306
+  call void @finch.gen.endHelper(ptr %t255, %S.gen.Saved %t256, { ptr, i64, i64 } %t310)
+  store { ptr, i64, i64 } %t310, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
+  %t313 = load { ptr, i64, i64 }, ptr %t312
+  store { ptr, i64, i64 } %t313, ptr %a314
+  call void @finch_str_copy(ptr %a315, ptr %a314)
+  %t316 = load { ptr, i64, i64 }, ptr %a315
+  call void @finch_str_drop(ptr %a247)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a168)
+  call void @finch_str_drop(ptr %a167)
+  call void @finch.drop.S_gen_Saved(ptr %a7)
+  call void @finch.drop.arr_str(ptr %a4)
+  call void @finch.drop.arr_str(ptr %a3)
+  ret { ptr, i64, i64 } %t316
+}
+
+define internal void @finch.drop.arr_S_gen_Abi(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond7465
+n.cond7465:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body7466, label %n.end7467
+n.body7466:
+  %t7 = getelementptr inbounds %S.gen.Abi, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Abi(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond7465
+n.end7467:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Plan(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Plan, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_gen_Abi(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Plan, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_gen_Abi(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Plan, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.gen.cThunk(ptr %p0, i64 %p1, %S.ast.Node %p2) {
@@ -62230,274 +73573,358 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca i64, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca i64, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca i64, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca i64, align 16
-  %a105 = alloca %S.ast.Type, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca i64, align 16
+  %a108 = alloca %S.ast.Type, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
   %a253 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca %S.gen.Plan, align 16
-  %a265 = alloca %S.gen.Saved, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca i64, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca %S.gen.Plan, align 16
+  %a276 = alloca %S.gen.Saved, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca i64, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca i64, align 16
-  %a303 = alloca %S.ast.Type, align 16
-  %a304 = alloca %S.ast.Type, align 16
-  %a306 = alloca %S.ast.Type, align 16
-  %a315 = alloca %S.gen.Abi, align 16
-  %a316 = alloca %S.gen.Abi, align 16
-  %a318 = alloca %S.gen.Abi, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca i64, align 16
+  %a318 = alloca %S.ast.Type, align 16
+  %a319 = alloca %S.ast.Type, align 16
+  %a321 = alloca %S.ast.Type, align 16
+  %a330 = alloca %S.gen.Abi, align 16
+  %a331 = alloca %S.gen.Abi, align 16
+  %a333 = alloca %S.gen.Abi, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
   %a345 = alloca { ptr, i64, i64 }, align 16
   %a346 = alloca { ptr, i64, i64 }, align 16
   %a347 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
   %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
   %a375 = alloca { ptr, i64, i64 }, align 16
   %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
   %a400 = alloca { ptr, i64, i64 }, align 16
   %a401 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
   %a421 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
   %a429 = alloca { ptr, i64, i64 }, align 16
   %a430 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
   %a441 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca i64, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a459 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
   %a462 = alloca { ptr, i64, i64 }, align 16
   %a463 = alloca { ptr, i64, i64 }, align 16
   %a464 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a487 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a490 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a495 = alloca { ptr, i64, i64 }, align 16
-  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca i64, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
   %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a521 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a533 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a544 = alloca { ptr, i64, i64 }, align 16
   %a546 = alloca { ptr, i64, i64 }, align 16
   %a547 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
   %a550 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
-  %a556 = alloca { ptr, i64, i64 }, align 16
-  %a557 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca { ptr, i64, i64 }, align 16
-  %a568 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
-  %a570 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
   %a575 = alloca { ptr, i64, i64 }, align 16
   %a576 = alloca { ptr, i64, i64 }, align 16
   %a577 = alloca { ptr, i64, i64 }, align 16
-  %a591 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
   %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
   %a595 = alloca { ptr, i64, i64 }, align 16
   %a596 = alloca { ptr, i64, i64 }, align 16
   %a597 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
   %a601 = alloca { ptr, i64, i64 }, align 16
   %a602 = alloca { ptr, i64, i64 }, align 16
-  %a603 = alloca { ptr, i64, i64 }, align 16
   %a605 = alloca { ptr, i64, i64 }, align 16
-  %a606 = alloca { ptr, i64, i64 }, align 16
   %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
   %a610 = alloca { ptr, i64, i64 }, align 16
   %a611 = alloca { ptr, i64, i64 }, align 16
-  %a613 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca { ptr, i64, i64 }, align 16
-  %a617 = alloca { ptr, i64, i64 }, align 16
-  %a618 = alloca { ptr, i64, i64 }, align 16
-  %a619 = alloca { ptr, i64, i64 }, align 16
   %a621 = alloca { ptr, i64, i64 }, align 16
   %a622 = alloca { ptr, i64, i64 }, align 16
-  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
   %a627 = alloca { ptr, i64, i64 }, align 16
+  %a629 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
   %a648 = alloca { ptr, i64, i64 }, align 16
   %a649 = alloca { ptr, i64, i64 }, align 16
+  %a650 = alloca { ptr, i64, i64 }, align 16
+  %a652 = alloca { ptr, i64, i64 }, align 16
+  %a653 = alloca { ptr, i64, i64 }, align 16
   %a654 = alloca { ptr, i64, i64 }, align 16
-  %a668 = alloca { ptr, i64, i64 }, align 16
-  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a655 = alloca { ptr, i64, i64 }, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a660 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a662 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
   %a670 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
   %a673 = alloca { ptr, i64, i64 }, align 16
   %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
   %a682 = alloca { ptr, i64, i64 }, align 16
-  %a683 = alloca { ptr, i64, i64 }, align 16
   %a684 = alloca { ptr, i64, i64 }, align 16
-  %a695 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a701 = alloca { ptr, i64, i64 }, align 16
-  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
+  %a690 = alloca { ptr, i64, i64 }, align 16
   %a707 = alloca { ptr, i64, i64 }, align 16
   %a708 = alloca { ptr, i64, i64 }, align 16
   %a713 = alloca { ptr, i64, i64 }, align 16
   %a714 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca { ptr, i64, i64 }, align 16
   %a719 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
-  %a724 = alloca { ptr, i64, i64 }, align 16
-  %a725 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
   %a729 = alloca { ptr, i64, i64 }, align 16
-  %a732 = alloca { ptr, i64, i64 }, align 16
-  %a733 = alloca { ptr, i64, i64 }, align 16
-  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
   %a736 = alloca { ptr, i64, i64 }, align 16
   %a737 = alloca { ptr, i64, i64 }, align 16
-  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a739 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   %a741 = alloca { ptr, i64, i64 }, align 16
   %a742 = alloca { ptr, i64, i64 }, align 16
-  %a744 = alloca { ptr, i64, i64 }, align 16
-  %a745 = alloca { ptr, i64, i64 }, align 16
-  %a746 = alloca { ptr, i64, i64 }, align 16
-  %a748 = alloca { ptr, i64, i64 }, align 16
-  %a749 = alloca { ptr, i64, i64 }, align 16
   %a750 = alloca { ptr, i64, i64 }, align 16
+  %a751 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca { ptr, i64, i64 }, align 16
   %a753 = alloca { ptr, i64, i64 }, align 16
   %a754 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a792 = alloca { ptr, i64, i64 }, align 16
+  %a793 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a808 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a810 = alloca { ptr, i64, i64 }, align 16
+  %a813 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
+  %a816 = alloca { ptr, i64, i64 }, align 16
+  %a818 = alloca { ptr, i64, i64 }, align 16
+  %a819 = alloca { ptr, i64, i64 }, align 16
+  %a820 = alloca { ptr, i64, i64 }, align 16
+  %a821 = alloca { ptr, i64, i64 }, align 16
+  %a824 = alloca { ptr, i64, i64 }, align 16
+  %a825 = alloca { ptr, i64, i64 }, align 16
+  %a827 = alloca { ptr, i64, i64 }, align 16
+  %a828 = alloca { ptr, i64, i64 }, align 16
+  %a829 = alloca { ptr, i64, i64 }, align 16
+  %a830 = alloca { ptr, i64, i64 }, align 16
+  %a831 = alloca { ptr, i64, i64 }, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a834 = alloca { ptr, i64, i64 }, align 16
+  %a835 = alloca { ptr, i64, i64 }, align 16
+  %a836 = alloca { ptr, i64, i64 }, align 16
+  %a838 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic6968, label %ok6969
-panic6968:
-  call void @finch_panic(ptr @.str.4528, i64 4012, ptr @.str.4529)
+  br i1 %t5, label %panic7343, label %ok7344
+panic7343:
+  call void @finch_panic(ptr @.str.4701, i64 4299, ptr @.str.4702)
   unreachable
-ok6969:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 14
+ok7344:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 15
   %t7 = load i64, ptr %a2
   %t8 = load { ptr, i64, i64 }, ptr %t6
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range6970, label %inrange6971
-range6970:
-  call void @finch_panic_index(ptr @.str.4530, i64 4012, i64 %t7, i64 %t9)
+  br i1 %t10, label %range7345, label %inrange7346
+range7345:
+  call void @finch_panic_index(ptr @.str.4703, i64 4299, i64 %t7, i64 %t9)
   unreachable
-inrange6971:
+inrange7346:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.FnSig, ptr %t11, i64 %t7
   %t13 = load %S.gen.FnSig, ptr %t12
@@ -62508,1032 +73935,1217 @@ inrange6971:
   %t18 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   %t20 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t19)
-  store { ptr, i64, i64 } { ptr @.str.4531, i64 9, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.4704, i64 9, i64 0 }, ptr %a22
   store { ptr, i64, i64 } %t20, ptr %a23
   call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } %t24, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.4532, i64 1, i64 0 }, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  %t29 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t30 = load { ptr, i64, i64 }, ptr %t29
-  store { ptr, i64, i64 } %t28, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a35
-  %t36 = load ptr, ptr %a1
-  %t37 = icmp eq ptr %t36, null
-  br i1 %t37, label %panic6972, label %ok6973
-panic6972:
-  call void @finch_panic(ptr @.str.4533, i64 4014, ptr @.str.4534)
+  store { ptr, i64, i64 } %t20, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.4705, i64 1, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  %t31 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t30, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t30, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a38
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic7347, label %ok7348
+panic7347:
+  call void @finch_panic(ptr @.str.4706, i64 4301, ptr @.str.4707)
   unreachable
-ok6973:
-  %t38 = getelementptr inbounds %S.gen.Gen, ptr %t36, i32 0, i32 38
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i32 0, i32 1
-  %t40 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.4535, i64 2, i64 0 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store i64 -1, ptr %a45
-  %t46 = load i64, ptr %t39
-  %t47 = load ptr, ptr %t38
-  store i64 0, ptr %a48
-  br label %find.cond6974
-find.cond6974:
-  %t49 = load i64, ptr %a48
-  %t50 = icmp slt i64 %t49, %t46
-  br i1 %t50, label %find.body6975, label %find.end6978
-find.body6975:
-  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t49
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } %t44, ptr %a54
-  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
-  %t56 = icmp ne i32 %t55, 0
-  br i1 %t56, label %find.hit6976, label %find.next6977
-find.hit6976:
-  store i64 %t49, ptr %a45
-  br label %find.end6978
-find.next6977:
-  %t57 = add i64 %t49, 1
-  store i64 %t57, ptr %a48
-  br label %find.cond6974
-find.end6978:
-  %t58 = load i64, ptr %a45
-  %t59 = icmp sge i64 %t58, 0
-  br i1 %t59, label %then6979, label %endif6981
-then6979:
-  %t60 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  ret { ptr, i64, i64 } %t63
-endif6981:
-  %t64 = load ptr, ptr %a1
-  %t65 = icmp eq ptr %t64, null
-  br i1 %t65, label %panic6982, label %ok6983
-panic6982:
-  call void @finch_panic(ptr @.str.4536, i64 4017, ptr @.str.4537)
+ok7348:
+  %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 39
+  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i32 0, i32 1
+  %t43 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4708, i64 2, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a44
+  store i64 -1, ptr %a48
+  %t49 = load i64, ptr %t42
+  %t50 = load ptr, ptr %t41
+  store i64 0, ptr %a51
+  br label %find.cond7349
+find.cond7349:
+  %t52 = load i64, ptr %a51
+  %t53 = icmp slt i64 %t52, %t49
+  br i1 %t53, label %find.body7350, label %find.end7353
+find.body7350:
+  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t52
+  %t55 = load { ptr, i64, i64 }, ptr %t54
+  store { ptr, i64, i64 } %t55, ptr %a56
+  store { ptr, i64, i64 } %t47, ptr %a57
+  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
+  %t59 = icmp ne i32 %t58, 0
+  br i1 %t59, label %find.hit7351, label %find.next7352
+find.hit7351:
+  store i64 %t52, ptr %a48
+  br label %find.end7353
+find.next7352:
+  %t60 = add i64 %t52, 1
+  store i64 %t60, ptr %a51
+  br label %find.cond7349
+find.end7353:
+  store { ptr, i64, i64 } %t47, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load i64, ptr %a48
+  %t63 = icmp sge i64 %t62, 0
+  br i1 %t63, label %then7354, label %endif7356
+then7354:
+  %t64 = load { ptr, i64, i64 }, ptr %a38
+  call void @finch.drop.S_gen_FnSig(ptr %a17)
+  ret { ptr, i64, i64 } %t64
+endif7356:
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic7357, label %ok7358
+panic7357:
+  call void @finch_panic(ptr @.str.4709, i64 4304, ptr @.str.4710)
   unreachable
-ok6983:
-  %t66 = getelementptr inbounds %S.gen.Gen, ptr %t64, i32 0, i32 38
-  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i32 0, i32 1
-  %t68 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.4538, i64 2, i64 0 }, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load i64, ptr %t67
-  %t74 = add i64 %t73, 1
-  call void @finch_arr_reserve(ptr %t66, i64 %t74, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t75 = load ptr, ptr %t66
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i64 %t73
-  store { ptr, i64, i64 } %t72, ptr %t76
-  store i64 %t74, ptr %t67
-  %t77 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 2
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t79 = load i64, ptr %t78
-  %t80 = icmp sgt i64 %t79, 0
-  br label %logic.from6984
-logic.from6984:
-  br i1 %t80, label %logic.end6986, label %logic.rhs6985
-logic.rhs6985:
-  %t81 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 9
-  %t82 = load i1, ptr %t81
-  br label %logic.rend6987
-logic.rend6987:
-  br label %logic.end6986
-logic.end6986:
-  %t83 = phi i1 [ true, %logic.from6984 ], [ %t82, %logic.rend6987 ]
-  br i1 %t83, label %then6988, label %endif6990
-then6988:
-  %t84 = load ptr, ptr %a1
-  %t85 = load %S.ast.Node, ptr %a3
-  %t86 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t87 = load { ptr, i64, i64 }, ptr %t86
-  store { ptr, i64, i64 } { ptr @.str.4539, i64 5, i64 0 }, ptr %a89
-  store { ptr, i64, i64 } %t87, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t91, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.4540, i64 81, i64 0 }, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  call void @finch.gen.fail(ptr %t84, %S.ast.Node %t85, { ptr, i64, i64 } %t95)
-  br label %endif6990
-endif6990:
-  %t96 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  store i64 0, ptr %a97
-  br label %each.cond6991
-each.cond6991:
-  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i32 0, i32 1
-  %t99 = load i64, ptr %t98
-  %t100 = load i64, ptr %a97
-  %t101 = icmp slt i64 %t100, %t99
-  br i1 %t101, label %each.body6992, label %each.end6994
-each.body6992:
-  %t102 = load ptr, ptr %t96
-  %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i64 %t100
-  %t104 = load %S.ast.Type, ptr %t103
-  store %S.ast.Type %t104, ptr %a105
-  %t106 = load %S.ast.Type, ptr %a105
-  %t107 = call i1 @finch.gen.isNumber(%S.ast.Type %t106)
-  br label %logic.from6995
-logic.from6995:
-  br i1 %t107, label %logic.end6997, label %logic.rhs6996
-logic.rhs6996:
-  %t108 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t109 = load { ptr, i64, i64 }, ptr %t108
-  store { ptr, i64, i64 } %t109, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4541, i64 4, i64 0 }, ptr %a111
-  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
-  %t113 = icmp ne i32 %t112, 0
-  br label %logic.rend6998
-logic.rend6998:
-  br label %logic.end6997
-logic.end6997:
-  %t114 = phi i1 [ true, %logic.from6995 ], [ %t113, %logic.rend6998 ]
-  br label %logic.from6999
-logic.from6999:
-  br i1 %t114, label %logic.end7001, label %logic.rhs7000
-logic.rhs7000:
-  %t115 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store { ptr, i64, i64 } %t116, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.4542, i64 4, i64 0 }, ptr %a118
-  %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
-  %t120 = icmp ne i32 %t119, 0
-  br label %logic.rend7002
-logic.rend7002:
-  br label %logic.end7001
-logic.end7001:
-  %t121 = phi i1 [ true, %logic.from6999 ], [ %t120, %logic.rend7002 ]
-  br label %logic.from7003
-logic.from7003:
-  br i1 %t121, label %logic.end7005, label %logic.rhs7004
-logic.rhs7004:
-  %t122 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  store { ptr, i64, i64 } %t123, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.4543, i64 3, i64 0 }, ptr %a125
-  %t126 = call i32 @finch_str_eq(ptr %a124, ptr %a125)
-  %t127 = icmp ne i32 %t126, 0
-  br label %logic.rend7006
-logic.rend7006:
-  br label %logic.end7005
-logic.end7005:
-  %t128 = phi i1 [ true, %logic.from7003 ], [ %t127, %logic.rend7006 ]
-  br label %logic.from7007
-logic.from7007:
-  br i1 %t128, label %logic.end7009, label %logic.rhs7008
-logic.rhs7008:
-  %t129 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t130 = load { ptr, i64, i64 }, ptr %t129
-  store { ptr, i64, i64 } %t130, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4544, i64 6, i64 0 }, ptr %a132
-  %t133 = call i32 @finch_str_eq(ptr %a131, ptr %a132)
-  %t134 = icmp ne i32 %t133, 0
-  br label %logic.from7010
-logic.from7010:
-  br i1 %t134, label %logic.rhs7011, label %logic.end7012
-logic.rhs7011:
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic7013, label %ok7014
-panic7013:
-  call void @finch_panic(ptr @.str.4545, i64 4022, ptr @.str.4546)
-  unreachable
-ok7014:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 15
+ok7358:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 39
+  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
+  %t69 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4711, i64 2, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a70
+  %t74 = load i64, ptr %t68
+  %t75 = add i64 %t74, 1
+  call void @finch_arr_reserve(ptr %t67, i64 %t75, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t76 = load ptr, ptr %t67
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i64 %t74
+  store { ptr, i64, i64 } %t73, ptr %t77
+  store i64 %t75, ptr %t68
+  %t78 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 2
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i32 0, i32 1
+  %t80 = load i64, ptr %t79
+  %t81 = icmp sgt i64 %t80, 0
+  br label %logic.from7359
+logic.from7359:
+  br i1 %t81, label %logic.end7361, label %logic.rhs7360
+logic.rhs7360:
+  %t82 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 9
+  %t83 = load i1, ptr %t82
+  br label %logic.rend7362
+logic.rend7362:
+  br label %logic.end7361
+logic.end7361:
+  %t84 = phi i1 [ true, %logic.from7359 ], [ %t83, %logic.rend7362 ]
+  br i1 %t84, label %then7363, label %endif7365
+then7363:
+  %t85 = load ptr, ptr %a1
+  %t86 = load %S.ast.Node, ptr %a3
+  %t87 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t88 = load { ptr, i64, i64 }, ptr %t87
+  store { ptr, i64, i64 } { ptr @.str.4712, i64 5, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4713, i64 81, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  call void @finch.gen.fail(ptr %t85, %S.ast.Node %t86, { ptr, i64, i64 } %t97)
+  store { ptr, i64, i64 } %t97, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  br label %endif7365
+endif7365:
+  %t99 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  store i64 0, ptr %a100
+  br label %each.cond7366
+each.cond7366:
+  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i32 0, i32 1
+  %t102 = load i64, ptr %t101
+  %t103 = load i64, ptr %a100
+  %t104 = icmp slt i64 %t103, %t102
+  br i1 %t104, label %each.body7367, label %each.end7369
+each.body7367:
+  %t105 = load ptr, ptr %t99
+  %t106 = getelementptr inbounds %S.ast.Type, ptr %t105, i64 %t103
+  %t107 = load %S.ast.Type, ptr %t106
+  store %S.ast.Type %t107, ptr %a108
+  %t109 = load %S.ast.Type, ptr %a108
+  %t110 = call i1 @finch.gen.isNumber(%S.ast.Type %t109)
+  br label %logic.from7370
+logic.from7370:
+  br i1 %t110, label %logic.end7372, label %logic.rhs7371
+logic.rhs7371:
+  %t111 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t112, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.4714, i64 4, i64 0 }, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br label %logic.rend7373
+logic.rend7373:
+  br label %logic.end7372
+logic.end7372:
+  %t117 = phi i1 [ true, %logic.from7370 ], [ %t116, %logic.rend7373 ]
+  br label %logic.from7374
+logic.from7374:
+  br i1 %t117, label %logic.end7376, label %logic.rhs7375
+logic.rhs7375:
+  %t118 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t119 = load { ptr, i64, i64 }, ptr %t118
+  store { ptr, i64, i64 } %t119, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.4715, i64 4, i64 0 }, ptr %a121
+  %t122 = call i32 @finch_str_eq(ptr %a120, ptr %a121)
+  %t123 = icmp ne i32 %t122, 0
+  br label %logic.rend7377
+logic.rend7377:
+  br label %logic.end7376
+logic.end7376:
+  %t124 = phi i1 [ true, %logic.from7374 ], [ %t123, %logic.rend7377 ]
+  br label %logic.from7378
+logic.from7378:
+  br i1 %t124, label %logic.end7380, label %logic.rhs7379
+logic.rhs7379:
+  %t125 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t126, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.4716, i64 3, i64 0 }, ptr %a128
+  %t129 = call i32 @finch_str_eq(ptr %a127, ptr %a128)
+  %t130 = icmp ne i32 %t129, 0
+  br label %logic.rend7381
+logic.rend7381:
+  br label %logic.end7380
+logic.end7380:
+  %t131 = phi i1 [ true, %logic.from7378 ], [ %t130, %logic.rend7381 ]
+  br label %logic.from7382
+logic.from7382:
+  br i1 %t131, label %logic.end7384, label %logic.rhs7383
+logic.rhs7383:
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.4717, i64 6, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp ne i32 %t136, 0
+  br label %logic.from7385
+logic.from7385:
+  br i1 %t137, label %logic.rhs7386, label %logic.end7387
+logic.rhs7386:
   %t138 = load ptr, ptr %a1
-  %t139 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 3
-  %t140 = load { ptr, i64, i64 }, ptr %t139
-  %t141 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 2
-  %t142 = load { ptr, i64, i64 }, ptr %t141
-  %t143 = call i64 @finch.gen.findStruct(ptr %t138, { ptr, i64, i64 } %t140, { ptr, i64, i64 } %t142)
-  %t144 = load { ptr, i64, i64 }, ptr %t137
-  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
-  %t146 = icmp uge i64 %t143, %t145
-  br i1 %t146, label %range7015, label %inrange7016
-range7015:
-  call void @finch_panic_index(ptr @.str.4547, i64 4022, i64 %t143, i64 %t145)
+  %t139 = icmp eq ptr %t138, null
+  br i1 %t139, label %panic7388, label %ok7389
+panic7388:
+  call void @finch_panic(ptr @.str.4718, i64 4309, ptr @.str.4719)
   unreachable
-inrange7016:
-  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
-  %t148 = getelementptr inbounds %S.gen.StructDef, ptr %t147, i64 %t143
-  %t149 = getelementptr inbounds %S.gen.StructDef, ptr %t148, i32 0, i32 2
-  %t150 = load i1, ptr %t149
-  br label %logic.rend7017
-logic.rend7017:
-  br label %logic.end7012
-logic.end7012:
-  %t151 = phi i1 [ false, %logic.from7010 ], [ %t150, %logic.rend7017 ]
-  br label %logic.rend7018
-logic.rend7018:
-  br label %logic.end7009
-logic.end7009:
-  %t152 = phi i1 [ true, %logic.from7007 ], [ %t151, %logic.rend7018 ]
-  %t153 = xor i1 %t152, true
-  br i1 %t153, label %then7019, label %endif7021
-then7019:
-  %t154 = load ptr, ptr %a1
-  %t155 = load %S.ast.Node, ptr %a3
-  %t156 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  store { ptr, i64, i64 } { ptr @.str.4548, i64 5, i64 0 }, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  store { ptr, i64, i64 } %t161, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.4549, i64 95, i64 0 }, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  %t166 = load %S.ast.Type, ptr %a105
-  %t167 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t166)
-  store { ptr, i64, i64 } %t165, ptr %a169
-  store { ptr, i64, i64 } %t167, ptr %a170
-  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  call void @finch.gen.fail(ptr %t154, %S.ast.Node %t155, { ptr, i64, i64 } %t171)
-  br label %endif7021
-endif7021:
-  br label %each.step6993
-each.step6993:
-  %t172 = load i64, ptr %a97
-  %t173 = add i64 %t172, 1
-  store i64 %t173, ptr %a97
-  br label %each.cond6991
-each.end6994:
-  %t174 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t175 = load %S.ast.Type, ptr %t174
-  %t176 = call i1 @finch.gen.isNumber(%S.ast.Type %t175)
-  br label %logic.from7022
-logic.from7022:
-  br i1 %t176, label %logic.end7024, label %logic.rhs7023
-logic.rhs7023:
-  %t177 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t178 = getelementptr inbounds %S.ast.Type, ptr %t177, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
-  store { ptr, i64, i64 } %t179, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.4550, i64 4, i64 0 }, ptr %a181
-  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
-  %t183 = icmp ne i32 %t182, 0
-  br label %logic.rend7025
-logic.rend7025:
-  br label %logic.end7024
-logic.end7024:
-  %t184 = phi i1 [ true, %logic.from7022 ], [ %t183, %logic.rend7025 ]
-  br label %logic.from7026
-logic.from7026:
-  br i1 %t184, label %logic.end7028, label %logic.rhs7027
-logic.rhs7027:
-  %t185 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t186 = getelementptr inbounds %S.ast.Type, ptr %t185, i32 0, i32 0
-  %t187 = load { ptr, i64, i64 }, ptr %t186
-  store { ptr, i64, i64 } %t187, ptr %a188
-  store { ptr, i64, i64 } { ptr @.str.4551, i64 4, i64 0 }, ptr %a189
-  %t190 = call i32 @finch_str_eq(ptr %a188, ptr %a189)
-  %t191 = icmp ne i32 %t190, 0
-  br label %logic.rend7029
-logic.rend7029:
-  br label %logic.end7028
-logic.end7028:
-  %t192 = phi i1 [ true, %logic.from7026 ], [ %t191, %logic.rend7029 ]
-  br label %logic.from7030
-logic.from7030:
-  br i1 %t192, label %logic.end7032, label %logic.rhs7031
-logic.rhs7031:
-  %t193 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t194 = getelementptr inbounds %S.ast.Type, ptr %t193, i32 0, i32 0
-  %t195 = load { ptr, i64, i64 }, ptr %t194
-  store { ptr, i64, i64 } %t195, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.4552, i64 3, i64 0 }, ptr %a197
-  %t198 = call i32 @finch_str_eq(ptr %a196, ptr %a197)
-  %t199 = icmp ne i32 %t198, 0
-  br label %logic.rend7033
-logic.rend7033:
-  br label %logic.end7032
-logic.end7032:
-  %t200 = phi i1 [ true, %logic.from7030 ], [ %t199, %logic.rend7033 ]
-  br label %logic.from7034
-logic.from7034:
-  br i1 %t200, label %logic.end7036, label %logic.rhs7035
-logic.rhs7035:
-  %t201 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t202 = getelementptr inbounds %S.ast.Type, ptr %t201, i32 0, i32 0
-  %t203 = load { ptr, i64, i64 }, ptr %t202
-  store { ptr, i64, i64 } %t203, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.4553, i64 4, i64 0 }, ptr %a205
-  %t206 = call i32 @finch_str_eq(ptr %a204, ptr %a205)
-  %t207 = icmp ne i32 %t206, 0
-  br label %logic.rend7037
-logic.rend7037:
-  br label %logic.end7036
-logic.end7036:
-  %t208 = phi i1 [ true, %logic.from7034 ], [ %t207, %logic.rend7037 ]
-  br label %logic.from7038
-logic.from7038:
-  br i1 %t208, label %logic.end7040, label %logic.rhs7039
-logic.rhs7039:
-  %t209 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t210 = getelementptr inbounds %S.ast.Type, ptr %t209, i32 0, i32 0
-  %t211 = load { ptr, i64, i64 }, ptr %t210
-  store { ptr, i64, i64 } %t211, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.4554, i64 6, i64 0 }, ptr %a213
-  %t214 = call i32 @finch_str_eq(ptr %a212, ptr %a213)
-  %t215 = icmp ne i32 %t214, 0
-  br label %logic.from7041
-logic.from7041:
-  br i1 %t215, label %logic.rhs7042, label %logic.end7043
-logic.rhs7042:
-  %t216 = load ptr, ptr %a1
-  %t217 = icmp eq ptr %t216, null
-  br i1 %t217, label %panic7044, label %ok7045
-panic7044:
-  call void @finch_panic(ptr @.str.4555, i64 4026, ptr @.str.4556)
+ok7389:
+  %t140 = getelementptr inbounds %S.gen.Gen, ptr %t138, i32 0, i32 16
+  %t141 = load ptr, ptr %a1
+  %t142 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 3
+  %t143 = load { ptr, i64, i64 }, ptr %t142
+  %t144 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 2
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  %t146 = call i64 @finch.gen.findStruct(ptr %t141, { ptr, i64, i64 } %t143, { ptr, i64, i64 } %t145)
+  %t147 = load { ptr, i64, i64 }, ptr %t140
+  %t148 = extractvalue { ptr, i64, i64 } %t147, 1
+  %t149 = icmp uge i64 %t146, %t148
+  br i1 %t149, label %range7390, label %inrange7391
+range7390:
+  call void @finch_panic_index(ptr @.str.4720, i64 4309, i64 %t146, i64 %t148)
   unreachable
-ok7045:
-  %t218 = getelementptr inbounds %S.gen.Gen, ptr %t216, i32 0, i32 15
-  %t219 = load ptr, ptr %a1
-  %t220 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t221 = getelementptr inbounds %S.ast.Type, ptr %t220, i32 0, i32 3
-  %t222 = load { ptr, i64, i64 }, ptr %t221
-  %t223 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t224 = getelementptr inbounds %S.ast.Type, ptr %t223, i32 0, i32 2
-  %t225 = load { ptr, i64, i64 }, ptr %t224
-  %t226 = call i64 @finch.gen.findStruct(ptr %t219, { ptr, i64, i64 } %t222, { ptr, i64, i64 } %t225)
-  %t227 = load { ptr, i64, i64 }, ptr %t218
-  %t228 = extractvalue { ptr, i64, i64 } %t227, 1
-  %t229 = icmp uge i64 %t226, %t228
-  br i1 %t229, label %range7046, label %inrange7047
-range7046:
-  call void @finch_panic_index(ptr @.str.4557, i64 4026, i64 %t226, i64 %t228)
+inrange7391:
+  %t150 = extractvalue { ptr, i64, i64 } %t147, 0
+  %t151 = getelementptr inbounds %S.gen.StructDef, ptr %t150, i64 %t146
+  %t152 = getelementptr inbounds %S.gen.StructDef, ptr %t151, i32 0, i32 2
+  %t153 = load i1, ptr %t152
+  br label %logic.rend7392
+logic.rend7392:
+  br label %logic.end7387
+logic.end7387:
+  %t154 = phi i1 [ false, %logic.from7385 ], [ %t153, %logic.rend7392 ]
+  br label %logic.rend7393
+logic.rend7393:
+  br label %logic.end7384
+logic.end7384:
+  %t155 = phi i1 [ true, %logic.from7382 ], [ %t154, %logic.rend7393 ]
+  %t156 = xor i1 %t155, true
+  br i1 %t156, label %then7394, label %endif7396
+then7394:
+  %t157 = load ptr, ptr %a1
+  %t158 = load %S.ast.Node, ptr %a3
+  %t159 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t160 = load { ptr, i64, i64 }, ptr %t159
+  store { ptr, i64, i64 } { ptr @.str.4721, i64 5, i64 0 }, ptr %a162
+  store { ptr, i64, i64 } %t160, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a161
+  store { ptr, i64, i64 } %t164, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.4722, i64 95, i64 0 }, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  store { ptr, i64, i64 } %t164, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a165
+  %t170 = load %S.ast.Type, ptr %a108
+  %t171 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t170)
+  store { ptr, i64, i64 } %t169, ptr %a173
+  store { ptr, i64, i64 } %t171, ptr %a174
+  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
+  store { ptr, i64, i64 } %t169, ptr %a175
+  call void @finch_str_drop(ptr %a175)
+  store { ptr, i64, i64 } %t171, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  %t177 = load { ptr, i64, i64 }, ptr %a172
+  call void @finch.gen.fail(ptr %t157, %S.ast.Node %t158, { ptr, i64, i64 } %t177)
+  store { ptr, i64, i64 } %t177, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  br label %endif7396
+endif7396:
+  br label %each.step7368
+each.step7368:
+  %t179 = load i64, ptr %a100
+  %t180 = add i64 %t179, 1
+  store i64 %t180, ptr %a100
+  br label %each.cond7366
+each.end7369:
+  %t181 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t182 = load %S.ast.Type, ptr %t181
+  %t183 = call i1 @finch.gen.isNumber(%S.ast.Type %t182)
+  br label %logic.from7397
+logic.from7397:
+  br i1 %t183, label %logic.end7399, label %logic.rhs7398
+logic.rhs7398:
+  %t184 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t185 = getelementptr inbounds %S.ast.Type, ptr %t184, i32 0, i32 0
+  %t186 = load { ptr, i64, i64 }, ptr %t185
+  store { ptr, i64, i64 } %t186, ptr %a187
+  store { ptr, i64, i64 } { ptr @.str.4723, i64 4, i64 0 }, ptr %a188
+  %t189 = call i32 @finch_str_eq(ptr %a187, ptr %a188)
+  %t190 = icmp ne i32 %t189, 0
+  br label %logic.rend7400
+logic.rend7400:
+  br label %logic.end7399
+logic.end7399:
+  %t191 = phi i1 [ true, %logic.from7397 ], [ %t190, %logic.rend7400 ]
+  br label %logic.from7401
+logic.from7401:
+  br i1 %t191, label %logic.end7403, label %logic.rhs7402
+logic.rhs7402:
+  %t192 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t193 = getelementptr inbounds %S.ast.Type, ptr %t192, i32 0, i32 0
+  %t194 = load { ptr, i64, i64 }, ptr %t193
+  store { ptr, i64, i64 } %t194, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4724, i64 4, i64 0 }, ptr %a196
+  %t197 = call i32 @finch_str_eq(ptr %a195, ptr %a196)
+  %t198 = icmp ne i32 %t197, 0
+  br label %logic.rend7404
+logic.rend7404:
+  br label %logic.end7403
+logic.end7403:
+  %t199 = phi i1 [ true, %logic.from7401 ], [ %t198, %logic.rend7404 ]
+  br label %logic.from7405
+logic.from7405:
+  br i1 %t199, label %logic.end7407, label %logic.rhs7406
+logic.rhs7406:
+  %t200 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t201 = getelementptr inbounds %S.ast.Type, ptr %t200, i32 0, i32 0
+  %t202 = load { ptr, i64, i64 }, ptr %t201
+  store { ptr, i64, i64 } %t202, ptr %a203
+  store { ptr, i64, i64 } { ptr @.str.4725, i64 3, i64 0 }, ptr %a204
+  %t205 = call i32 @finch_str_eq(ptr %a203, ptr %a204)
+  %t206 = icmp ne i32 %t205, 0
+  br label %logic.rend7408
+logic.rend7408:
+  br label %logic.end7407
+logic.end7407:
+  %t207 = phi i1 [ true, %logic.from7405 ], [ %t206, %logic.rend7408 ]
+  br label %logic.from7409
+logic.from7409:
+  br i1 %t207, label %logic.end7411, label %logic.rhs7410
+logic.rhs7410:
+  %t208 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t209 = getelementptr inbounds %S.ast.Type, ptr %t208, i32 0, i32 0
+  %t210 = load { ptr, i64, i64 }, ptr %t209
+  store { ptr, i64, i64 } %t210, ptr %a211
+  store { ptr, i64, i64 } { ptr @.str.4726, i64 4, i64 0 }, ptr %a212
+  %t213 = call i32 @finch_str_eq(ptr %a211, ptr %a212)
+  %t214 = icmp ne i32 %t213, 0
+  br label %logic.rend7412
+logic.rend7412:
+  br label %logic.end7411
+logic.end7411:
+  %t215 = phi i1 [ true, %logic.from7409 ], [ %t214, %logic.rend7412 ]
+  br label %logic.from7413
+logic.from7413:
+  br i1 %t215, label %logic.end7415, label %logic.rhs7414
+logic.rhs7414:
+  %t216 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t217 = getelementptr inbounds %S.ast.Type, ptr %t216, i32 0, i32 0
+  %t218 = load { ptr, i64, i64 }, ptr %t217
+  store { ptr, i64, i64 } %t218, ptr %a219
+  store { ptr, i64, i64 } { ptr @.str.4727, i64 6, i64 0 }, ptr %a220
+  %t221 = call i32 @finch_str_eq(ptr %a219, ptr %a220)
+  %t222 = icmp ne i32 %t221, 0
+  br label %logic.from7416
+logic.from7416:
+  br i1 %t222, label %logic.rhs7417, label %logic.end7418
+logic.rhs7417:
+  %t223 = load ptr, ptr %a1
+  %t224 = icmp eq ptr %t223, null
+  br i1 %t224, label %panic7419, label %ok7420
+panic7419:
+  call void @finch_panic(ptr @.str.4728, i64 4313, ptr @.str.4729)
   unreachable
-inrange7047:
-  %t230 = extractvalue { ptr, i64, i64 } %t227, 0
-  %t231 = getelementptr inbounds %S.gen.StructDef, ptr %t230, i64 %t226
-  %t232 = getelementptr inbounds %S.gen.StructDef, ptr %t231, i32 0, i32 2
-  %t233 = load i1, ptr %t232
-  br label %logic.rend7048
-logic.rend7048:
-  br label %logic.end7043
-logic.end7043:
-  %t234 = phi i1 [ false, %logic.from7041 ], [ %t233, %logic.rend7048 ]
-  br label %logic.rend7049
-logic.rend7049:
-  br label %logic.end7040
-logic.end7040:
-  %t235 = phi i1 [ true, %logic.from7038 ], [ %t234, %logic.rend7049 ]
-  %t236 = xor i1 %t235, true
-  br i1 %t236, label %then7050, label %endif7052
-then7050:
-  %t237 = load ptr, ptr %a1
-  %t238 = load %S.ast.Node, ptr %a3
-  %t239 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  store { ptr, i64, i64 } { ptr @.str.4558, i64 5, i64 0 }, ptr %a242
-  store { ptr, i64, i64 } %t240, ptr %a243
-  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
-  %t244 = load { ptr, i64, i64 }, ptr %a241
-  store { ptr, i64, i64 } %t244, ptr %a246
-  store { ptr, i64, i64 } { ptr @.str.4559, i64 38, i64 0 }, ptr %a247
-  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
-  %t248 = load { ptr, i64, i64 }, ptr %a245
-  %t249 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t250 = load %S.ast.Type, ptr %t249
-  %t251 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t250)
-  store { ptr, i64, i64 } %t248, ptr %a253
-  store { ptr, i64, i64 } %t251, ptr %a254
+ok7420:
+  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 16
+  %t226 = load ptr, ptr %a1
+  %t227 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t228 = getelementptr inbounds %S.ast.Type, ptr %t227, i32 0, i32 3
+  %t229 = load { ptr, i64, i64 }, ptr %t228
+  %t230 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t231 = getelementptr inbounds %S.ast.Type, ptr %t230, i32 0, i32 2
+  %t232 = load { ptr, i64, i64 }, ptr %t231
+  %t233 = call i64 @finch.gen.findStruct(ptr %t226, { ptr, i64, i64 } %t229, { ptr, i64, i64 } %t232)
+  %t234 = load { ptr, i64, i64 }, ptr %t225
+  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
+  %t236 = icmp uge i64 %t233, %t235
+  br i1 %t236, label %range7421, label %inrange7422
+range7421:
+  call void @finch_panic_index(ptr @.str.4730, i64 4313, i64 %t233, i64 %t235)
+  unreachable
+inrange7422:
+  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
+  %t238 = getelementptr inbounds %S.gen.StructDef, ptr %t237, i64 %t233
+  %t239 = getelementptr inbounds %S.gen.StructDef, ptr %t238, i32 0, i32 2
+  %t240 = load i1, ptr %t239
+  br label %logic.rend7423
+logic.rend7423:
+  br label %logic.end7418
+logic.end7418:
+  %t241 = phi i1 [ false, %logic.from7416 ], [ %t240, %logic.rend7423 ]
+  br label %logic.rend7424
+logic.rend7424:
+  br label %logic.end7415
+logic.end7415:
+  %t242 = phi i1 [ true, %logic.from7413 ], [ %t241, %logic.rend7424 ]
+  %t243 = xor i1 %t242, true
+  br i1 %t243, label %then7425, label %endif7427
+then7425:
+  %t244 = load ptr, ptr %a1
+  %t245 = load %S.ast.Node, ptr %a3
+  %t246 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t247 = load { ptr, i64, i64 }, ptr %t246
+  store { ptr, i64, i64 } { ptr @.str.4731, i64 5, i64 0 }, ptr %a249
+  store { ptr, i64, i64 } %t247, ptr %a250
+  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a248
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.4732, i64 38, i64 0 }, ptr %a254
   call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
-  %t255 = load { ptr, i64, i64 }, ptr %a252
-  call void @finch.gen.fail(ptr %t237, %S.ast.Node %t238, { ptr, i64, i64 } %t255)
-  br label %endif7052
-endif7052:
-  %t256 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
   %t257 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
   %t258 = load %S.ast.Type, ptr %t257
-  %t259 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  %t260 = load { ptr, i64, i64 }, ptr %t259
-  %t261 = call %S.gen.Plan @finch.gen.makePlan(ptr %t256, %S.ast.Type %t258, { ptr, i64, i64 } %t260)
-  store %S.gen.Plan %t261, ptr %a262
-  %t263 = load ptr, ptr %a1
-  %t264 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t263)
-  store %S.gen.Saved %t264, ptr %a265
-  store { ptr, i64, i64 } zeroinitializer, ptr %a266
-  store i64 0, ptr %a267
-  store { ptr, i64, i64 } { ptr @.str.4560, i64 0, i64 0 }, ptr %a268
-  %t269 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 3
-  %t270 = load i1, ptr %t269
-  br i1 %t270, label %then7053, label %endif7055
-then7053:
-  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t272 = load ptr, ptr %a1
-  %t273 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t274 = load %S.ast.Type, ptr %t273
-  %t275 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t272, %S.ast.Type %t274)
-  store { ptr, i64, i64 } { ptr @.str.4561, i64 9, i64 0 }, ptr %a277
-  store { ptr, i64, i64 } %t275, ptr %a278
-  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
-  %t279 = load { ptr, i64, i64 }, ptr %a276
-  store { ptr, i64, i64 } %t279, ptr %a281
-  store { ptr, i64, i64 } { ptr @.str.4562, i64 14, i64 0 }, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  %t284 = load i64, ptr %t271
-  %t285 = add i64 %t284, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t285, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t286 = load ptr, ptr %a266
-  %t287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t286, i64 %t284
-  store { ptr, i64, i64 } %t283, ptr %t287
-  store i64 %t285, ptr %t271
-  store { ptr, i64, i64 } { ptr @.str.4563, i64 3, i64 0 }, ptr %a268
-  store i64 1, ptr %a267
-  br label %endif7055
-endif7055:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a288
-  %t289 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i32 0, i32 1
-  %t291 = load i64, ptr %t290
-  store i64 0, ptr %a292
-  br label %for.cond7056
-for.cond7056:
-  %t293 = load i64, ptr %a292
-  %t294 = icmp slt i64 %t293, %t291
-  br i1 %t294, label %for.body7057, label %for.end7059
-for.body7057:
-  %t295 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  %t296 = load i64, ptr %a292
-  %t297 = load { ptr, i64, i64 }, ptr %t295
-  %t298 = extractvalue { ptr, i64, i64 } %t297, 1
-  %t299 = icmp uge i64 %t296, %t298
-  br i1 %t299, label %range7060, label %inrange7061
-range7060:
-  call void @finch_panic_index(ptr @.str.4564, i64 4041, i64 %t296, i64 %t298)
+  %t259 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t258)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  store { ptr, i64, i64 } %t259, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  store { ptr, i64, i64 } %t256, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  store { ptr, i64, i64 } %t259, ptr %a264
+  call void @finch_str_drop(ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a260
+  call void @finch.gen.fail(ptr %t244, %S.ast.Node %t245, { ptr, i64, i64 } %t265)
+  store { ptr, i64, i64 } %t265, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  br label %endif7427
+endif7427:
+  %t267 = load ptr, ptr %a1
+  %t268 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t269 = load %S.ast.Type, ptr %t268
+  %t270 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  %t271 = load { ptr, i64, i64 }, ptr %t270
+  %t272 = call %S.gen.Plan @finch.gen.makePlan(ptr %t267, %S.ast.Type %t269, { ptr, i64, i64 } %t271)
+  store %S.gen.Plan %t272, ptr %a273
+  %t274 = load ptr, ptr %a1
+  %t275 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t274)
+  store %S.gen.Saved %t275, ptr %a276
+  store { ptr, i64, i64 } zeroinitializer, ptr %a277
+  store i64 0, ptr %a278
+  store { ptr, i64, i64 } { ptr @.str.4733, i64 0, i64 0 }, ptr %a279
+  %t280 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 3
+  %t281 = load i1, ptr %t280
+  br i1 %t281, label %then7428, label %endif7430
+then7428:
+  %t282 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t283 = load ptr, ptr %a1
+  %t284 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t285 = load %S.ast.Type, ptr %t284
+  %t286 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t283, %S.ast.Type %t285)
+  store { ptr, i64, i64 } { ptr @.str.4734, i64 9, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  store { ptr, i64, i64 } %t286, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.4735, i64 14, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = load i64, ptr %t282
+  %t298 = add i64 %t297, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t298, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t299 = load ptr, ptr %a277
+  %t300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t299, i64 %t297
+  store { ptr, i64, i64 } %t296, ptr %t300
+  store i64 %t298, ptr %t282
+  %t301 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.4736, i64 3, i64 0 }, ptr %a279
+  store { ptr, i64, i64 } %t301, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  store i64 1, ptr %a278
+  br label %endif7430
+endif7430:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a303
+  %t304 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t304, i32 0, i32 1
+  %t306 = load i64, ptr %t305
+  store i64 0, ptr %a307
+  br label %for.cond7431
+for.cond7431:
+  %t308 = load i64, ptr %a307
+  %t309 = icmp slt i64 %t308, %t306
+  br i1 %t309, label %for.body7432, label %for.end7434
+for.body7432:
+  %t310 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  %t311 = load i64, ptr %a307
+  %t312 = load { ptr, i64, i64 }, ptr %t310
+  %t313 = extractvalue { ptr, i64, i64 } %t312, 1
+  %t314 = icmp uge i64 %t311, %t313
+  br i1 %t314, label %range7435, label %inrange7436
+range7435:
+  call void @finch_panic_index(ptr @.str.4737, i64 4328, i64 %t311, i64 %t313)
   unreachable
-inrange7061:
-  %t300 = extractvalue { ptr, i64, i64 } %t297, 0
-  %t301 = getelementptr inbounds %S.ast.Type, ptr %t300, i64 %t296
-  %t302 = load %S.ast.Type, ptr %t301
-  store %S.ast.Type %t302, ptr %a303
-  call void @finch.copy.S_ast_Type(ptr %a304, ptr %a303)
-  %t305 = load %S.ast.Type, ptr %a304
-  store %S.ast.Type %t305, ptr %a306
-  %t307 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 1
-  %t308 = load i64, ptr %a292
-  %t309 = load { ptr, i64, i64 }, ptr %t307
-  %t310 = extractvalue { ptr, i64, i64 } %t309, 1
-  %t311 = icmp uge i64 %t308, %t310
-  br i1 %t311, label %range7062, label %inrange7063
-range7062:
-  call void @finch_panic_index(ptr @.str.4565, i64 4042, i64 %t308, i64 %t310)
+inrange7436:
+  %t315 = extractvalue { ptr, i64, i64 } %t312, 0
+  %t316 = getelementptr inbounds %S.ast.Type, ptr %t315, i64 %t311
+  %t317 = load %S.ast.Type, ptr %t316
+  store %S.ast.Type %t317, ptr %a318
+  call void @finch.copy.S_ast_Type(ptr %a319, ptr %a318)
+  %t320 = load %S.ast.Type, ptr %a319
+  store %S.ast.Type %t320, ptr %a321
+  %t322 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 1
+  %t323 = load i64, ptr %a307
+  %t324 = load { ptr, i64, i64 }, ptr %t322
+  %t325 = extractvalue { ptr, i64, i64 } %t324, 1
+  %t326 = icmp uge i64 %t323, %t325
+  br i1 %t326, label %range7437, label %inrange7438
+range7437:
+  call void @finch_panic_index(ptr @.str.4738, i64 4329, i64 %t323, i64 %t325)
   unreachable
-inrange7063:
-  %t312 = extractvalue { ptr, i64, i64 } %t309, 0
-  %t313 = getelementptr inbounds %S.gen.Abi, ptr %t312, i64 %t308
-  %t314 = load %S.gen.Abi, ptr %t313
-  store %S.gen.Abi %t314, ptr %a315
-  call void @finch.copy.S_gen_Abi(ptr %a316, ptr %a315)
-  %t317 = load %S.gen.Abi, ptr %a316
-  store %S.gen.Abi %t317, ptr %a318
-  %t319 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 0
-  %t320 = load { ptr, i64, i64 }, ptr %t319
-  store { ptr, i64, i64 } %t320, ptr %a321
-  store { ptr, i64, i64 } { ptr @.str.4566, i64 6, i64 0 }, ptr %a322
-  %t323 = call i32 @finch_str_eq(ptr %a321, ptr %a322)
-  %t324 = icmp ne i32 %t323, 0
-  br i1 %t324, label %then7064, label %else7065
-then7064:
-  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t326 = load ptr, ptr %a1
-  %t327 = load %S.ast.Type, ptr %a306
-  %t328 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t326, %S.ast.Type %t327)
-  store { ptr, i64, i64 } { ptr @.str.4567, i64 10, i64 0 }, ptr %a330
-  store { ptr, i64, i64 } %t328, ptr %a331
-  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
-  %t332 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t332, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.4568, i64 8, i64 0 }, ptr %a335
-  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
-  %t336 = load { ptr, i64, i64 }, ptr %a333
-  %t337 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 3
-  %t338 = load i64, ptr %t337
-  call void @finch_str_from_int(ptr %a339, i64 %t338)
-  %t340 = load { ptr, i64, i64 }, ptr %a339
-  store { ptr, i64, i64 } %t336, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a346
-  store { ptr, i64, i64 } { ptr @.str.4569, i64 3, i64 0 }, ptr %a347
-  call void @finch_str_concat(ptr %a345, ptr %a346, ptr %a347)
-  %t348 = load { ptr, i64, i64 }, ptr %a345
-  %t349 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a350, i64 %t349)
-  %t351 = load { ptr, i64, i64 }, ptr %a350
-  store { ptr, i64, i64 } %t348, ptr %a353
-  store { ptr, i64, i64 } %t351, ptr %a354
-  call void @finch_str_concat(ptr %a352, ptr %a353, ptr %a354)
-  %t355 = load { ptr, i64, i64 }, ptr %a352
-  %t356 = load i64, ptr %t325
-  %t357 = add i64 %t356, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t357, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t358 = load ptr, ptr %a266
-  %t359 = getelementptr inbounds { ptr, i64, i64 }, ptr %t358, i64 %t356
-  store { ptr, i64, i64 } %t355, ptr %t359
-  store i64 %t357, ptr %t325
-  %t360 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t361 = load ptr, ptr %a1
-  %t362 = load %S.ast.Type, ptr %a306
-  %t363 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t361, %S.ast.Type %t362)
+inrange7438:
+  %t327 = extractvalue { ptr, i64, i64 } %t324, 0
+  %t328 = getelementptr inbounds %S.gen.Abi, ptr %t327, i64 %t323
+  %t329 = load %S.gen.Abi, ptr %t328
+  store %S.gen.Abi %t329, ptr %a330
+  call void @finch.copy.S_gen_Abi(ptr %a331, ptr %a330)
+  %t332 = load %S.gen.Abi, ptr %a331
+  store %S.gen.Abi %t332, ptr %a333
+  %t334 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 0
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t335, ptr %a336
+  store { ptr, i64, i64 } { ptr @.str.4739, i64 6, i64 0 }, ptr %a337
+  %t338 = call i32 @finch_str_eq(ptr %a336, ptr %a337)
+  %t339 = icmp ne i32 %t338, 0
+  br i1 %t339, label %then7439, label %else7440
+then7439:
+  %t340 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t341 = load ptr, ptr %a1
+  %t342 = load %S.ast.Type, ptr %a321
+  %t343 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t341, %S.ast.Type %t342)
+  store { ptr, i64, i64 } { ptr @.str.4740, i64 10, i64 0 }, ptr %a345
+  store { ptr, i64, i64 } %t343, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t343, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a344
+  store { ptr, i64, i64 } %t348, ptr %a350
+  store { ptr, i64, i64 } { ptr @.str.4741, i64 8, i64 0 }, ptr %a351
+  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
+  store { ptr, i64, i64 } %t348, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a349
+  %t354 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 3
+  %t355 = load i64, ptr %t354
+  call void @finch_str_from_int(ptr %a356, i64 %t355)
+  %t357 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } %t353, ptr %a359
+  store { ptr, i64, i64 } %t357, ptr %a360
+  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
+  store { ptr, i64, i64 } %t353, ptr %a361
+  call void @finch_str_drop(ptr %a361)
+  store { ptr, i64, i64 } %t357, ptr %a362
+  call void @finch_str_drop(ptr %a362)
+  %t363 = load { ptr, i64, i64 }, ptr %a358
   store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.4570, i64 1, i64 0 }, ptr %a366
+  store { ptr, i64, i64 } { ptr @.str.4742, i64 3, i64 0 }, ptr %a366
   call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  %t368 = load ptr, ptr %a1
-  %t369 = load ptr, ptr %a1
-  %t370 = load %S.ast.Type, ptr %a306
-  %t371 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t369, %S.ast.Type %t370)
-  %t372 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a373, i64 %t372)
-  %t374 = load { ptr, i64, i64 }, ptr %a373
-  store { ptr, i64, i64 } { ptr @.str.4571, i64 2, i64 0 }, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  %t379 = call { ptr, i64, i64 } @finch.gen.load(ptr %t368, { ptr, i64, i64 } %t371, { ptr, i64, i64 } %t378)
-  store { ptr, i64, i64 } %t367, ptr %a381
-  store { ptr, i64, i64 } %t379, ptr %a382
-  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
-  %t383 = load { ptr, i64, i64 }, ptr %a380
-  %t384 = load i64, ptr %t360
-  %t385 = add i64 %t384, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t385, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t386 = load ptr, ptr %a288
-  %t387 = getelementptr inbounds { ptr, i64, i64 }, ptr %t386, i64 %t384
-  store { ptr, i64, i64 } %t383, ptr %t387
-  store i64 %t385, ptr %t360
-  %t388 = load i64, ptr %a267
-  %t389 = add i64 %t388, 1
-  store i64 %t389, ptr %a267
-  br label %endif7066
-else7065:
-  %t390 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 0
-  %t391 = load { ptr, i64, i64 }, ptr %t390
-  store { ptr, i64, i64 } %t391, ptr %a392
-  store { ptr, i64, i64 } { ptr @.str.4572, i64 8, i64 0 }, ptr %a393
-  %t394 = call i32 @finch_str_eq(ptr %a392, ptr %a393)
-  %t395 = icmp ne i32 %t394, 0
-  br i1 %t395, label %then7067, label %else7068
-then7067:
-  %t396 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t397 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a398, i64 %t397)
-  %t399 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } { ptr @.str.4573, i64 6, i64 0 }, ptr %a401
-  store { ptr, i64, i64 } %t399, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  %t404 = load i64, ptr %t396
-  %t405 = add i64 %t404, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t405, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t406 = load ptr, ptr %a266
-  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i64 %t404
-  store { ptr, i64, i64 } %t403, ptr %t407
-  store i64 %t405, ptr %t396
-  %t408 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t409 = load ptr, ptr %a1
-  %t410 = load %S.ast.Type, ptr %a306
-  %t411 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t409, %S.ast.Type %t410)
-  store { ptr, i64, i64 } %t411, ptr %a413
-  store { ptr, i64, i64 } { ptr @.str.4574, i64 1, i64 0 }, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  %t416 = load ptr, ptr %a1
-  %t417 = load ptr, ptr %a1
-  %t418 = load %S.ast.Type, ptr %a306
-  %t419 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t417, %S.ast.Type %t418)
-  %t420 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a421, i64 %t420)
-  %t422 = load { ptr, i64, i64 }, ptr %a421
-  store { ptr, i64, i64 } { ptr @.str.4575, i64 2, i64 0 }, ptr %a424
-  store { ptr, i64, i64 } %t422, ptr %a425
-  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
-  %t426 = load { ptr, i64, i64 }, ptr %a423
-  %t427 = call { ptr, i64, i64 } @finch.gen.load(ptr %t416, { ptr, i64, i64 } %t419, { ptr, i64, i64 } %t426)
-  store { ptr, i64, i64 } %t415, ptr %a429
+  store { ptr, i64, i64 } %t363, ptr %a367
+  call void @finch_str_drop(ptr %a367)
+  %t368 = load { ptr, i64, i64 }, ptr %a364
+  %t369 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a370, i64 %t369)
+  %t371 = load { ptr, i64, i64 }, ptr %a370
+  store { ptr, i64, i64 } %t368, ptr %a373
+  store { ptr, i64, i64 } %t371, ptr %a374
+  call void @finch_str_concat(ptr %a372, ptr %a373, ptr %a374)
+  store { ptr, i64, i64 } %t368, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  store { ptr, i64, i64 } %t371, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = load { ptr, i64, i64 }, ptr %a372
+  %t378 = load i64, ptr %t340
+  %t379 = add i64 %t378, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t379, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t380 = load ptr, ptr %a277
+  %t381 = getelementptr inbounds { ptr, i64, i64 }, ptr %t380, i64 %t378
+  store { ptr, i64, i64 } %t377, ptr %t381
+  store i64 %t379, ptr %t340
+  %t382 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t383 = load ptr, ptr %a1
+  %t384 = load %S.ast.Type, ptr %a321
+  %t385 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t383, %S.ast.Type %t384)
+  store { ptr, i64, i64 } %t385, ptr %a387
+  store { ptr, i64, i64 } { ptr @.str.4743, i64 1, i64 0 }, ptr %a388
+  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
+  store { ptr, i64, i64 } %t385, ptr %a389
+  call void @finch_str_drop(ptr %a389)
+  %t390 = load { ptr, i64, i64 }, ptr %a386
+  %t391 = load ptr, ptr %a1
+  %t392 = load ptr, ptr %a1
+  %t393 = load %S.ast.Type, ptr %a321
+  %t394 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t392, %S.ast.Type %t393)
+  %t395 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a396, i64 %t395)
+  %t397 = load { ptr, i64, i64 }, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.4744, i64 2, i64 0 }, ptr %a399
+  store { ptr, i64, i64 } %t397, ptr %a400
+  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
+  store { ptr, i64, i64 } %t397, ptr %a401
+  call void @finch_str_drop(ptr %a401)
+  %t402 = load { ptr, i64, i64 }, ptr %a398
+  %t403 = call { ptr, i64, i64 } @finch.gen.load(ptr %t391, { ptr, i64, i64 } %t394, { ptr, i64, i64 } %t402)
+  store { ptr, i64, i64 } %t394, ptr %a404
+  call void @finch_str_drop(ptr %a404)
+  store { ptr, i64, i64 } %t402, ptr %a405
+  call void @finch_str_drop(ptr %a405)
+  store { ptr, i64, i64 } %t390, ptr %a407
+  store { ptr, i64, i64 } %t403, ptr %a408
+  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
+  store { ptr, i64, i64 } %t390, ptr %a409
+  call void @finch_str_drop(ptr %a409)
+  store { ptr, i64, i64 } %t403, ptr %a410
+  call void @finch_str_drop(ptr %a410)
+  %t411 = load { ptr, i64, i64 }, ptr %a406
+  %t412 = load i64, ptr %t382
+  %t413 = add i64 %t412, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t413, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t414 = load ptr, ptr %a303
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %t414, i64 %t412
+  store { ptr, i64, i64 } %t411, ptr %t415
+  store i64 %t413, ptr %t382
+  %t416 = load i64, ptr %a278
+  %t417 = add i64 %t416, 1
+  store i64 %t417, ptr %a278
+  br label %endif7441
+else7440:
+  %t418 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 0
+  %t419 = load { ptr, i64, i64 }, ptr %t418
+  store { ptr, i64, i64 } %t419, ptr %a420
+  store { ptr, i64, i64 } { ptr @.str.4745, i64 8, i64 0 }, ptr %a421
+  %t422 = call i32 @finch_str_eq(ptr %a420, ptr %a421)
+  %t423 = icmp ne i32 %t422, 0
+  br i1 %t423, label %then7442, label %else7443
+then7442:
+  %t424 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t425 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a426, i64 %t425)
+  %t427 = load { ptr, i64, i64 }, ptr %a426
+  store { ptr, i64, i64 } { ptr @.str.4746, i64 6, i64 0 }, ptr %a429
   store { ptr, i64, i64 } %t427, ptr %a430
   call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load i64, ptr %t408
-  %t433 = add i64 %t432, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t433, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t434 = load ptr, ptr %a288
-  %t435 = getelementptr inbounds { ptr, i64, i64 }, ptr %t434, i64 %t432
-  store { ptr, i64, i64 } %t431, ptr %t435
-  store i64 %t433, ptr %t408
-  %t436 = load i64, ptr %a267
-  %t437 = add i64 %t436, 1
-  store i64 %t437, ptr %a267
-  br label %endif7069
-else7068:
-  %t438 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 0
-  %t439 = load { ptr, i64, i64 }, ptr %t438
-  store { ptr, i64, i64 } %t439, ptr %a440
-  store { ptr, i64, i64 } { ptr @.str.4576, i64 6, i64 0 }, ptr %a441
-  %t442 = call i32 @finch_str_eq(ptr %a440, ptr %a441)
-  %t443 = icmp ne i32 %t442, 0
-  br i1 %t443, label %then7070, label %else7071
-then7070:
-  %t444 = load ptr, ptr %a1
-  %t445 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t444, { ptr, i64, i64 } { ptr @.str.4577, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t445, ptr %a446
-  %t447 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 1
-  %t448 = getelementptr inbounds { ptr, i64, i64 }, ptr %t447, i32 0, i32 1
-  %t449 = load i64, ptr %t448
-  store i64 0, ptr %a450
-  br label %for.cond7073
-for.cond7073:
-  %t451 = load i64, ptr %a450
-  %t452 = icmp slt i64 %t451, %t449
-  br i1 %t452, label %for.body7074, label %for.end7076
-for.body7074:
-  %t453 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t454 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 1
-  %t455 = load i64, ptr %a450
-  %t456 = load { ptr, i64, i64 }, ptr %t454
-  %t457 = extractvalue { ptr, i64, i64 } %t456, 1
-  %t458 = icmp uge i64 %t455, %t457
-  br i1 %t458, label %range7077, label %inrange7078
-range7077:
-  call void @finch_panic_index(ptr @.str.4578, i64 4054, i64 %t455, i64 %t457)
+  store { ptr, i64, i64 } %t427, ptr %a431
+  call void @finch_str_drop(ptr %a431)
+  %t432 = load { ptr, i64, i64 }, ptr %a428
+  %t433 = load i64, ptr %t424
+  %t434 = add i64 %t433, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t434, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t435 = load ptr, ptr %a277
+  %t436 = getelementptr inbounds { ptr, i64, i64 }, ptr %t435, i64 %t433
+  store { ptr, i64, i64 } %t432, ptr %t436
+  store i64 %t434, ptr %t424
+  %t437 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t438 = load ptr, ptr %a1
+  %t439 = load %S.ast.Type, ptr %a321
+  %t440 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t438, %S.ast.Type %t439)
+  store { ptr, i64, i64 } %t440, ptr %a442
+  store { ptr, i64, i64 } { ptr @.str.4747, i64 1, i64 0 }, ptr %a443
+  call void @finch_str_concat(ptr %a441, ptr %a442, ptr %a443)
+  store { ptr, i64, i64 } %t440, ptr %a444
+  call void @finch_str_drop(ptr %a444)
+  %t445 = load { ptr, i64, i64 }, ptr %a441
+  %t446 = load ptr, ptr %a1
+  %t447 = load ptr, ptr %a1
+  %t448 = load %S.ast.Type, ptr %a321
+  %t449 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t447, %S.ast.Type %t448)
+  %t450 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a451, i64 %t450)
+  %t452 = load { ptr, i64, i64 }, ptr %a451
+  store { ptr, i64, i64 } { ptr @.str.4748, i64 2, i64 0 }, ptr %a454
+  store { ptr, i64, i64 } %t452, ptr %a455
+  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
+  store { ptr, i64, i64 } %t452, ptr %a456
+  call void @finch_str_drop(ptr %a456)
+  %t457 = load { ptr, i64, i64 }, ptr %a453
+  %t458 = call { ptr, i64, i64 } @finch.gen.load(ptr %t446, { ptr, i64, i64 } %t449, { ptr, i64, i64 } %t457)
+  store { ptr, i64, i64 } %t449, ptr %a459
+  call void @finch_str_drop(ptr %a459)
+  store { ptr, i64, i64 } %t457, ptr %a460
+  call void @finch_str_drop(ptr %a460)
+  store { ptr, i64, i64 } %t445, ptr %a462
+  store { ptr, i64, i64 } %t458, ptr %a463
+  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
+  store { ptr, i64, i64 } %t445, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  store { ptr, i64, i64 } %t458, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  %t466 = load { ptr, i64, i64 }, ptr %a461
+  %t467 = load i64, ptr %t437
+  %t468 = add i64 %t467, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t468, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t469 = load ptr, ptr %a303
+  %t470 = getelementptr inbounds { ptr, i64, i64 }, ptr %t469, i64 %t467
+  store { ptr, i64, i64 } %t466, ptr %t470
+  store i64 %t468, ptr %t437
+  %t471 = load i64, ptr %a278
+  %t472 = add i64 %t471, 1
+  store i64 %t472, ptr %a278
+  br label %endif7444
+else7443:
+  %t473 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 0
+  %t474 = load { ptr, i64, i64 }, ptr %t473
+  store { ptr, i64, i64 } %t474, ptr %a475
+  store { ptr, i64, i64 } { ptr @.str.4749, i64 6, i64 0 }, ptr %a476
+  %t477 = call i32 @finch_str_eq(ptr %a475, ptr %a476)
+  %t478 = icmp ne i32 %t477, 0
+  br i1 %t478, label %then7445, label %else7446
+then7445:
+  %t479 = load ptr, ptr %a1
+  %t480 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t479, { ptr, i64, i64 } { ptr @.str.4750, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t480, ptr %a481
+  %t482 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 1
+  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i32 0, i32 1
+  %t484 = load i64, ptr %t483
+  store i64 0, ptr %a485
+  br label %for.cond7448
+for.cond7448:
+  %t486 = load i64, ptr %a485
+  %t487 = icmp slt i64 %t486, %t484
+  br i1 %t487, label %for.body7449, label %for.end7451
+for.body7449:
+  %t488 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t489 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 1
+  %t490 = load i64, ptr %a485
+  %t491 = load { ptr, i64, i64 }, ptr %t489
+  %t492 = extractvalue { ptr, i64, i64 } %t491, 1
+  %t493 = icmp uge i64 %t490, %t492
+  br i1 %t493, label %range7452, label %inrange7453
+range7452:
+  call void @finch_panic_index(ptr @.str.4751, i64 4341, i64 %t490, i64 %t492)
   unreachable
-inrange7078:
-  %t459 = extractvalue { ptr, i64, i64 } %t456, 0
-  %t460 = getelementptr inbounds { ptr, i64, i64 }, ptr %t459, i64 %t455
-  %t461 = load { ptr, i64, i64 }, ptr %t460
-  store { ptr, i64, i64 } %t461, ptr %a463
-  store { ptr, i64, i64 } { ptr @.str.4579, i64 3, i64 0 }, ptr %a464
-  call void @finch_str_concat(ptr %a462, ptr %a463, ptr %a464)
-  %t465 = load { ptr, i64, i64 }, ptr %a462
-  %t466 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a467, i64 %t466)
-  %t468 = load { ptr, i64, i64 }, ptr %a467
-  store { ptr, i64, i64 } %t465, ptr %a470
-  store { ptr, i64, i64 } %t468, ptr %a471
-  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
-  %t472 = load { ptr, i64, i64 }, ptr %a469
-  %t473 = load i64, ptr %t453
-  %t474 = add i64 %t473, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t474, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t475 = load ptr, ptr %a266
-  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 %t473
-  store { ptr, i64, i64 } %t472, ptr %t476
-  store i64 %t474, ptr %t453
-  %t477 = load ptr, ptr %a1
-  %t478 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 1
-  %t479 = load i64, ptr %a450
-  %t480 = load { ptr, i64, i64 }, ptr %t478
-  %t481 = extractvalue { ptr, i64, i64 } %t480, 1
-  %t482 = icmp uge i64 %t479, %t481
-  br i1 %t482, label %range7079, label %inrange7080
-range7079:
-  call void @finch_panic_index(ptr @.str.4580, i64 4055, i64 %t479, i64 %t481)
+inrange7453:
+  %t494 = extractvalue { ptr, i64, i64 } %t491, 0
+  %t495 = getelementptr inbounds { ptr, i64, i64 }, ptr %t494, i64 %t490
+  %t496 = load { ptr, i64, i64 }, ptr %t495
+  store { ptr, i64, i64 } %t496, ptr %a498
+  store { ptr, i64, i64 } { ptr @.str.4752, i64 3, i64 0 }, ptr %a499
+  call void @finch_str_concat(ptr %a497, ptr %a498, ptr %a499)
+  %t500 = load { ptr, i64, i64 }, ptr %a497
+  %t501 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a502, i64 %t501)
+  %t503 = load { ptr, i64, i64 }, ptr %a502
+  store { ptr, i64, i64 } %t500, ptr %a505
+  store { ptr, i64, i64 } %t503, ptr %a506
+  call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
+  store { ptr, i64, i64 } %t500, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  store { ptr, i64, i64 } %t503, ptr %a508
+  call void @finch_str_drop(ptr %a508)
+  %t509 = load { ptr, i64, i64 }, ptr %a504
+  %t510 = load i64, ptr %t488
+  %t511 = add i64 %t510, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t511, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t512 = load ptr, ptr %a277
+  %t513 = getelementptr inbounds { ptr, i64, i64 }, ptr %t512, i64 %t510
+  store { ptr, i64, i64 } %t509, ptr %t513
+  store i64 %t511, ptr %t488
+  %t514 = load ptr, ptr %a1
+  %t515 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 1
+  %t516 = load i64, ptr %a485
+  %t517 = load { ptr, i64, i64 }, ptr %t515
+  %t518 = extractvalue { ptr, i64, i64 } %t517, 1
+  %t519 = icmp uge i64 %t516, %t518
+  br i1 %t519, label %range7454, label %inrange7455
+range7454:
+  call void @finch_panic_index(ptr @.str.4753, i64 4342, i64 %t516, i64 %t518)
   unreachable
-inrange7080:
-  %t483 = extractvalue { ptr, i64, i64 } %t480, 0
-  %t484 = getelementptr inbounds { ptr, i64, i64 }, ptr %t483, i64 %t479
-  %t485 = load { ptr, i64, i64 }, ptr %t484
-  %t486 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a487, i64 %t486)
-  %t488 = load { ptr, i64, i64 }, ptr %a487
-  store { ptr, i64, i64 } { ptr @.str.4581, i64 2, i64 0 }, ptr %a490
-  store { ptr, i64, i64 } %t488, ptr %a491
-  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
-  %t492 = load { ptr, i64, i64 }, ptr %a489
-  %t493 = load ptr, ptr %a1
-  %t494 = load { ptr, i64, i64 }, ptr %a446
-  store { ptr, i64, i64 } { ptr @.str.4582, i64 31, i64 0 }, ptr %a496
-  store { ptr, i64, i64 } %t494, ptr %a497
-  call void @finch_str_concat(ptr %a495, ptr %a496, ptr %a497)
-  %t498 = load { ptr, i64, i64 }, ptr %a495
-  store { ptr, i64, i64 } %t498, ptr %a500
-  store { ptr, i64, i64 } { ptr @.str.4583, i64 6, i64 0 }, ptr %a501
-  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
-  %t502 = load { ptr, i64, i64 }, ptr %a499
-  %t503 = load i64, ptr %a450
-  %t504 = mul i64 8, %t503
-  call void @finch_str_from_int(ptr %a505, i64 %t504)
-  %t506 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t502, ptr %a508
-  store { ptr, i64, i64 } %t506, ptr %a509
-  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
-  %t510 = load { ptr, i64, i64 }, ptr %a507
-  %t511 = call { ptr, i64, i64 } @finch.gen.op(ptr %t493, { ptr, i64, i64 } %t510)
-  call void @finch.gen.store(ptr %t477, { ptr, i64, i64 } %t485, { ptr, i64, i64 } %t492, { ptr, i64, i64 } %t511)
-  %t512 = load i64, ptr %a267
-  %t513 = add i64 %t512, 1
-  store i64 %t513, ptr %a267
-  br label %for.step7075
-for.step7075:
-  %t514 = load i64, ptr %a450
-  %t515 = add i64 %t514, 1
-  store i64 %t515, ptr %a450
-  br label %for.cond7073
-for.end7076:
-  %t516 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t517 = load ptr, ptr %a1
-  %t518 = load %S.ast.Type, ptr %a306
-  %t519 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t517, %S.ast.Type %t518)
-  store { ptr, i64, i64 } %t519, ptr %a521
-  store { ptr, i64, i64 } { ptr @.str.4584, i64 1, i64 0 }, ptr %a522
-  call void @finch_str_concat(ptr %a520, ptr %a521, ptr %a522)
-  %t523 = load { ptr, i64, i64 }, ptr %a520
-  %t524 = load ptr, ptr %a1
-  %t525 = load ptr, ptr %a1
-  %t526 = load %S.ast.Type, ptr %a306
-  %t527 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t525, %S.ast.Type %t526)
-  %t528 = load { ptr, i64, i64 }, ptr %a446
-  %t529 = call { ptr, i64, i64 } @finch.gen.load(ptr %t524, { ptr, i64, i64 } %t527, { ptr, i64, i64 } %t528)
-  store { ptr, i64, i64 } %t523, ptr %a531
-  store { ptr, i64, i64 } %t529, ptr %a532
-  call void @finch_str_concat(ptr %a530, ptr %a531, ptr %a532)
-  %t533 = load { ptr, i64, i64 }, ptr %a530
-  %t534 = load i64, ptr %t516
-  %t535 = add i64 %t534, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t535, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t536 = load ptr, ptr %a288
-  %t537 = getelementptr inbounds { ptr, i64, i64 }, ptr %t536, i64 %t534
-  store { ptr, i64, i64 } %t533, ptr %t537
-  store i64 %t535, ptr %t516
-  br label %endif7072
-else7071:
-  %t538 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t539 = load ptr, ptr %a1
-  %t540 = load %S.ast.Type, ptr %a306
-  %t541 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t539, %S.ast.Type %t540)
-  %t542 = load ptr, ptr %a1
-  %t543 = load %S.ast.Type, ptr %a306
-  %t544 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t542, %S.ast.Type %t543)
-  store { ptr, i64, i64 } %t541, ptr %a546
-  store { ptr, i64, i64 } %t544, ptr %a547
-  call void @finch_str_concat(ptr %a545, ptr %a546, ptr %a547)
-  %t548 = load { ptr, i64, i64 }, ptr %a545
-  store { ptr, i64, i64 } %t548, ptr %a550
-  store { ptr, i64, i64 } { ptr @.str.4585, i64 3, i64 0 }, ptr %a551
-  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  %t553 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a554, i64 %t553)
-  %t555 = load { ptr, i64, i64 }, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a557
-  store { ptr, i64, i64 } %t555, ptr %a558
-  call void @finch_str_concat(ptr %a556, ptr %a557, ptr %a558)
-  %t559 = load { ptr, i64, i64 }, ptr %a556
-  %t560 = load i64, ptr %t538
-  %t561 = add i64 %t560, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t561, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t562 = load ptr, ptr %a266
-  %t563 = getelementptr inbounds { ptr, i64, i64 }, ptr %t562, i64 %t560
-  store { ptr, i64, i64 } %t559, ptr %t563
-  store i64 %t561, ptr %t538
-  %t564 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t565 = load ptr, ptr %a1
-  %t566 = load %S.ast.Type, ptr %a306
-  %t567 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t565, %S.ast.Type %t566)
-  store { ptr, i64, i64 } %t567, ptr %a569
-  store { ptr, i64, i64 } { ptr @.str.4586, i64 3, i64 0 }, ptr %a570
-  call void @finch_str_concat(ptr %a568, ptr %a569, ptr %a570)
-  %t571 = load { ptr, i64, i64 }, ptr %a568
-  %t572 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a573, i64 %t572)
-  %t574 = load { ptr, i64, i64 }, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a576
-  store { ptr, i64, i64 } %t574, ptr %a577
-  call void @finch_str_concat(ptr %a575, ptr %a576, ptr %a577)
-  %t578 = load { ptr, i64, i64 }, ptr %a575
-  %t579 = load i64, ptr %t564
-  %t580 = add i64 %t579, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t580, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t581 = load ptr, ptr %a288
-  %t582 = getelementptr inbounds { ptr, i64, i64 }, ptr %t581, i64 %t579
-  store { ptr, i64, i64 } %t578, ptr %t582
-  store i64 %t580, ptr %t564
-  %t583 = load i64, ptr %a267
-  %t584 = add i64 %t583, 1
-  store i64 %t584, ptr %a267
-  br label %endif7072
-endif7072:
-  br label %endif7069
-endif7069:
-  br label %endif7066
-endif7066:
-  br label %for.step7058
-for.step7058:
-  %t585 = load i64, ptr %a292
-  %t586 = add i64 %t585, 1
-  store i64 %t586, ptr %a292
-  br label %for.cond7056
-for.end7059:
+inrange7455:
+  %t520 = extractvalue { ptr, i64, i64 } %t517, 0
+  %t521 = getelementptr inbounds { ptr, i64, i64 }, ptr %t520, i64 %t516
+  %t522 = load { ptr, i64, i64 }, ptr %t521
+  %t523 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a524, i64 %t523)
+  %t525 = load { ptr, i64, i64 }, ptr %a524
+  store { ptr, i64, i64 } { ptr @.str.4754, i64 2, i64 0 }, ptr %a527
+  store { ptr, i64, i64 } %t525, ptr %a528
+  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
+  store { ptr, i64, i64 } %t525, ptr %a529
+  call void @finch_str_drop(ptr %a529)
+  %t530 = load { ptr, i64, i64 }, ptr %a526
+  %t531 = load ptr, ptr %a1
+  %t532 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } { ptr @.str.4755, i64 31, i64 0 }, ptr %a534
+  store { ptr, i64, i64 } %t532, ptr %a535
+  call void @finch_str_concat(ptr %a533, ptr %a534, ptr %a535)
+  %t536 = load { ptr, i64, i64 }, ptr %a533
+  store { ptr, i64, i64 } %t536, ptr %a538
+  store { ptr, i64, i64 } { ptr @.str.4756, i64 6, i64 0 }, ptr %a539
+  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
+  store { ptr, i64, i64 } %t536, ptr %a540
+  call void @finch_str_drop(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a537
+  %t542 = load i64, ptr %a485
+  %t543 = mul i64 8, %t542
+  call void @finch_str_from_int(ptr %a544, i64 %t543)
+  %t545 = load { ptr, i64, i64 }, ptr %a544
+  store { ptr, i64, i64 } %t541, ptr %a547
+  store { ptr, i64, i64 } %t545, ptr %a548
+  call void @finch_str_concat(ptr %a546, ptr %a547, ptr %a548)
+  store { ptr, i64, i64 } %t541, ptr %a549
+  call void @finch_str_drop(ptr %a549)
+  store { ptr, i64, i64 } %t545, ptr %a550
+  call void @finch_str_drop(ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a546
+  %t552 = call { ptr, i64, i64 } @finch.gen.op(ptr %t531, { ptr, i64, i64 } %t551)
+  store { ptr, i64, i64 } %t551, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  call void @finch.gen.store(ptr %t514, { ptr, i64, i64 } %t522, { ptr, i64, i64 } %t530, { ptr, i64, i64 } %t552)
+  store { ptr, i64, i64 } %t530, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  store { ptr, i64, i64 } %t552, ptr %a555
+  call void @finch_str_drop(ptr %a555)
+  %t556 = load i64, ptr %a278
+  %t557 = add i64 %t556, 1
+  store i64 %t557, ptr %a278
+  br label %for.step7450
+for.step7450:
+  %t558 = load i64, ptr %a485
+  %t559 = add i64 %t558, 1
+  store i64 %t559, ptr %a485
+  br label %for.cond7448
+for.end7451:
+  %t560 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t561 = load ptr, ptr %a1
+  %t562 = load %S.ast.Type, ptr %a321
+  %t563 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t561, %S.ast.Type %t562)
+  store { ptr, i64, i64 } %t563, ptr %a565
+  store { ptr, i64, i64 } { ptr @.str.4757, i64 1, i64 0 }, ptr %a566
+  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
+  store { ptr, i64, i64 } %t563, ptr %a567
+  call void @finch_str_drop(ptr %a567)
+  %t568 = load { ptr, i64, i64 }, ptr %a564
+  %t569 = load ptr, ptr %a1
+  %t570 = load ptr, ptr %a1
+  %t571 = load %S.ast.Type, ptr %a321
+  %t572 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t570, %S.ast.Type %t571)
+  %t573 = load { ptr, i64, i64 }, ptr %a481
+  %t574 = call { ptr, i64, i64 } @finch.gen.load(ptr %t569, { ptr, i64, i64 } %t572, { ptr, i64, i64 } %t573)
+  store { ptr, i64, i64 } %t572, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  store { ptr, i64, i64 } %t568, ptr %a577
+  store { ptr, i64, i64 } %t574, ptr %a578
+  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
+  store { ptr, i64, i64 } %t568, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  store { ptr, i64, i64 } %t574, ptr %a580
+  call void @finch_str_drop(ptr %a580)
+  %t581 = load { ptr, i64, i64 }, ptr %a576
+  %t582 = load i64, ptr %t560
+  %t583 = add i64 %t582, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t583, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t584 = load ptr, ptr %a303
+  %t585 = getelementptr inbounds { ptr, i64, i64 }, ptr %t584, i64 %t582
+  store { ptr, i64, i64 } %t581, ptr %t585
+  store i64 %t583, ptr %t560
+  call void @finch_str_drop(ptr %a481)
+  br label %endif7447
+else7446:
+  %t586 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
   %t587 = load ptr, ptr %a1
-  %t588 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t589 = load %S.ast.Type, ptr %t588
-  %t590 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t587, %S.ast.Type %t589)
-  store { ptr, i64, i64 } { ptr @.str.4587, i64 5, i64 0 }, ptr %a592
-  store { ptr, i64, i64 } %t590, ptr %a593
-  call void @finch_str_concat(ptr %a591, ptr %a592, ptr %a593)
-  %t594 = load { ptr, i64, i64 }, ptr %a591
-  store { ptr, i64, i64 } %t594, ptr %a596
-  store { ptr, i64, i64 } { ptr @.str.4588, i64 1, i64 0 }, ptr %a597
-  call void @finch_str_concat(ptr %a595, ptr %a596, ptr %a597)
-  %t598 = load { ptr, i64, i64 }, ptr %a595
-  %t599 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 11
-  %t600 = load { ptr, i64, i64 }, ptr %t599
+  %t588 = load %S.ast.Type, ptr %a321
+  %t589 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t587, %S.ast.Type %t588)
+  %t590 = load ptr, ptr %a1
+  %t591 = load %S.ast.Type, ptr %a321
+  %t592 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t590, %S.ast.Type %t591)
+  store { ptr, i64, i64 } %t589, ptr %a594
+  store { ptr, i64, i64 } %t592, ptr %a595
+  call void @finch_str_concat(ptr %a593, ptr %a594, ptr %a595)
+  store { ptr, i64, i64 } %t589, ptr %a596
+  call void @finch_str_drop(ptr %a596)
+  store { ptr, i64, i64 } %t592, ptr %a597
+  call void @finch_str_drop(ptr %a597)
+  %t598 = load { ptr, i64, i64 }, ptr %a593
+  store { ptr, i64, i64 } %t598, ptr %a600
+  store { ptr, i64, i64 } { ptr @.str.4758, i64 3, i64 0 }, ptr %a601
+  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
   store { ptr, i64, i64 } %t598, ptr %a602
-  store { ptr, i64, i64 } %t600, ptr %a603
-  call void @finch_str_concat(ptr %a601, ptr %a602, ptr %a603)
-  %t604 = load { ptr, i64, i64 }, ptr %a601
-  store { ptr, i64, i64 } %t604, ptr %a606
-  store { ptr, i64, i64 } { ptr @.str.4589, i64 1, i64 0 }, ptr %a607
-  call void @finch_str_concat(ptr %a605, ptr %a606, ptr %a607)
-  %t608 = load { ptr, i64, i64 }, ptr %a605
-  %t609 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4590, i64 2, i64 0 }, ptr %a610
-  call void @finch_str_join(ptr %a611, ptr %a288, ptr %a610)
-  %t612 = load { ptr, i64, i64 }, ptr %a611
-  store { ptr, i64, i64 } %t608, ptr %a614
-  store { ptr, i64, i64 } %t612, ptr %a615
-  call void @finch_str_concat(ptr %a613, ptr %a614, ptr %a615)
-  %t616 = load { ptr, i64, i64 }, ptr %a613
-  store { ptr, i64, i64 } %t616, ptr %a618
-  store { ptr, i64, i64 } { ptr @.str.4591, i64 1, i64 0 }, ptr %a619
-  call void @finch_str_concat(ptr %a617, ptr %a618, ptr %a619)
-  %t620 = load { ptr, i64, i64 }, ptr %a617
-  store { ptr, i64, i64 } %t620, ptr %a621
-  store { ptr, i64, i64 } { ptr @.str.4592, i64 0, i64 0 }, ptr %a622
-  %t623 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t624 = getelementptr inbounds %S.ast.Type, ptr %t623, i32 0, i32 0
-  %t625 = load { ptr, i64, i64 }, ptr %t624
-  store { ptr, i64, i64 } %t625, ptr %a626
-  store { ptr, i64, i64 } { ptr @.str.4593, i64 4, i64 0 }, ptr %a627
-  %t628 = call i32 @finch_str_eq(ptr %a626, ptr %a627)
-  %t629 = icmp ne i32 %t628, 0
-  br i1 %t629, label %then7081, label %else7082
-then7081:
-  %t630 = load ptr, ptr %a1
-  %t631 = load { ptr, i64, i64 }, ptr %a621
-  call void @finch.gen.emit(ptr %t630, { ptr, i64, i64 } %t631)
-  %t632 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t632, { ptr, i64, i64 } { ptr @.str.4594, i64 8, i64 0 })
-  br label %endif7083
-else7082:
-  %t633 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 3
-  %t634 = load i1, ptr %t633
-  br i1 %t634, label %then7084, label %else7085
-then7084:
-  %t635 = load ptr, ptr %a1
-  %t636 = load ptr, ptr %a1
-  %t637 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t638 = load %S.ast.Type, ptr %t637
-  %t639 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t636, %S.ast.Type %t638)
-  %t640 = load ptr, ptr %a1
-  %t641 = load { ptr, i64, i64 }, ptr %a621
-  %t642 = call { ptr, i64, i64 } @finch.gen.op(ptr %t640, { ptr, i64, i64 } %t641)
-  %t643 = load { ptr, i64, i64 }, ptr %a268
-  call void @finch.gen.store(ptr %t635, { ptr, i64, i64 } %t639, { ptr, i64, i64 } %t642, { ptr, i64, i64 } %t643)
-  %t644 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t644, { ptr, i64, i64 } { ptr @.str.4595, i64 8, i64 0 })
-  br label %endif7086
-else7085:
-  %t645 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 0
-  %t646 = getelementptr inbounds %S.gen.Abi, ptr %t645, i32 0, i32 0
-  %t647 = load { ptr, i64, i64 }, ptr %t646
-  store { ptr, i64, i64 } %t647, ptr %a648
-  store { ptr, i64, i64 } { ptr @.str.4596, i64 6, i64 0 }, ptr %a649
-  %t650 = call i32 @finch_str_eq(ptr %a648, ptr %a649)
-  %t651 = icmp ne i32 %t650, 0
-  br i1 %t651, label %then7087, label %else7088
-then7087:
-  %t652 = load ptr, ptr %a1
-  %t653 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t652, { ptr, i64, i64 } { ptr @.str.4597, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t653, ptr %a654
-  %t655 = load ptr, ptr %a1
-  %t656 = load ptr, ptr %a1
-  %t657 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t658 = load %S.ast.Type, ptr %t657
-  %t659 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t656, %S.ast.Type %t658)
-  %t660 = load ptr, ptr %a1
-  %t661 = load { ptr, i64, i64 }, ptr %a621
-  %t662 = call { ptr, i64, i64 } @finch.gen.op(ptr %t660, { ptr, i64, i64 } %t661)
-  %t663 = load { ptr, i64, i64 }, ptr %a654
-  call void @finch.gen.store(ptr %t655, { ptr, i64, i64 } %t659, { ptr, i64, i64 } %t662, { ptr, i64, i64 } %t663)
-  %t664 = load ptr, ptr %a1
-  %t665 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 0
-  %t666 = getelementptr inbounds %S.gen.Abi, ptr %t665, i32 0, i32 2
-  %t667 = load { ptr, i64, i64 }, ptr %t666
-  store { ptr, i64, i64 } { ptr @.str.4598, i64 4, i64 0 }, ptr %a669
-  store { ptr, i64, i64 } %t667, ptr %a670
-  call void @finch_str_concat(ptr %a668, ptr %a669, ptr %a670)
-  %t671 = load { ptr, i64, i64 }, ptr %a668
-  store { ptr, i64, i64 } %t671, ptr %a673
-  store { ptr, i64, i64 } { ptr @.str.4599, i64 1, i64 0 }, ptr %a674
-  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
-  %t675 = load { ptr, i64, i64 }, ptr %a672
-  %t676 = load ptr, ptr %a1
-  %t677 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 0
-  %t678 = getelementptr inbounds %S.gen.Abi, ptr %t677, i32 0, i32 2
-  %t679 = load { ptr, i64, i64 }, ptr %t678
-  %t680 = load { ptr, i64, i64 }, ptr %a654
-  %t681 = call { ptr, i64, i64 } @finch.gen.load(ptr %t676, { ptr, i64, i64 } %t679, { ptr, i64, i64 } %t680)
-  store { ptr, i64, i64 } %t675, ptr %a683
-  store { ptr, i64, i64 } %t681, ptr %a684
-  call void @finch_str_concat(ptr %a682, ptr %a683, ptr %a684)
-  %t685 = load { ptr, i64, i64 }, ptr %a682
-  call void @finch.gen.emit(ptr %t664, { ptr, i64, i64 } %t685)
-  br label %endif7089
-else7088:
-  %t686 = load ptr, ptr %a1
-  %t687 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t688 = load %S.ast.Type, ptr %t687
-  %t689 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t686, %S.ast.Type %t688)
-  store { ptr, i64, i64 } %t689, ptr %a622
-  %t690 = load ptr, ptr %a1
-  %t691 = load ptr, ptr %a1
-  %t692 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t693 = load %S.ast.Type, ptr %t692
-  %t694 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t691, %S.ast.Type %t693)
-  store { ptr, i64, i64 } { ptr @.str.4600, i64 4, i64 0 }, ptr %a696
-  store { ptr, i64, i64 } %t694, ptr %a697
-  call void @finch_str_concat(ptr %a695, ptr %a696, ptr %a697)
-  %t698 = load { ptr, i64, i64 }, ptr %a695
-  store { ptr, i64, i64 } %t698, ptr %a700
-  store { ptr, i64, i64 } { ptr @.str.4601, i64 1, i64 0 }, ptr %a701
-  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
-  %t702 = load { ptr, i64, i64 }, ptr %a699
+  call void @finch_str_drop(ptr %a602)
+  %t603 = load { ptr, i64, i64 }, ptr %a599
+  %t604 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a605, i64 %t604)
+  %t606 = load { ptr, i64, i64 }, ptr %a605
+  store { ptr, i64, i64 } %t603, ptr %a608
+  store { ptr, i64, i64 } %t606, ptr %a609
+  call void @finch_str_concat(ptr %a607, ptr %a608, ptr %a609)
+  store { ptr, i64, i64 } %t603, ptr %a610
+  call void @finch_str_drop(ptr %a610)
+  store { ptr, i64, i64 } %t606, ptr %a611
+  call void @finch_str_drop(ptr %a611)
+  %t612 = load { ptr, i64, i64 }, ptr %a607
+  %t613 = load i64, ptr %t586
+  %t614 = add i64 %t613, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t614, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t615 = load ptr, ptr %a277
+  %t616 = getelementptr inbounds { ptr, i64, i64 }, ptr %t615, i64 %t613
+  store { ptr, i64, i64 } %t612, ptr %t616
+  store i64 %t614, ptr %t586
+  %t617 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t618 = load ptr, ptr %a1
+  %t619 = load %S.ast.Type, ptr %a321
+  %t620 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t618, %S.ast.Type %t619)
+  store { ptr, i64, i64 } %t620, ptr %a622
+  store { ptr, i64, i64 } { ptr @.str.4759, i64 3, i64 0 }, ptr %a623
+  call void @finch_str_concat(ptr %a621, ptr %a622, ptr %a623)
+  store { ptr, i64, i64 } %t620, ptr %a624
+  call void @finch_str_drop(ptr %a624)
+  %t625 = load { ptr, i64, i64 }, ptr %a621
+  %t626 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a627, i64 %t626)
+  %t628 = load { ptr, i64, i64 }, ptr %a627
+  store { ptr, i64, i64 } %t625, ptr %a630
+  store { ptr, i64, i64 } %t628, ptr %a631
+  call void @finch_str_concat(ptr %a629, ptr %a630, ptr %a631)
+  store { ptr, i64, i64 } %t625, ptr %a632
+  call void @finch_str_drop(ptr %a632)
+  store { ptr, i64, i64 } %t628, ptr %a633
+  call void @finch_str_drop(ptr %a633)
+  %t634 = load { ptr, i64, i64 }, ptr %a629
+  %t635 = load i64, ptr %t617
+  %t636 = add i64 %t635, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t636, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t637 = load ptr, ptr %a303
+  %t638 = getelementptr inbounds { ptr, i64, i64 }, ptr %t637, i64 %t635
+  store { ptr, i64, i64 } %t634, ptr %t638
+  store i64 %t636, ptr %t617
+  %t639 = load i64, ptr %a278
+  %t640 = add i64 %t639, 1
+  store i64 %t640, ptr %a278
+  br label %endif7447
+endif7447:
+  br label %endif7444
+endif7444:
+  br label %endif7441
+endif7441:
+  call void @finch.drop.S_gen_Abi(ptr %a333)
+  call void @finch.drop.S_ast_Type(ptr %a321)
+  br label %for.step7433
+for.step7433:
+  %t641 = load i64, ptr %a307
+  %t642 = add i64 %t641, 1
+  store i64 %t642, ptr %a307
+  br label %for.cond7431
+for.end7434:
+  %t643 = load ptr, ptr %a1
+  %t644 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t645 = load %S.ast.Type, ptr %t644
+  %t646 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t643, %S.ast.Type %t645)
+  store { ptr, i64, i64 } { ptr @.str.4760, i64 5, i64 0 }, ptr %a648
+  store { ptr, i64, i64 } %t646, ptr %a649
+  call void @finch_str_concat(ptr %a647, ptr %a648, ptr %a649)
+  store { ptr, i64, i64 } %t646, ptr %a650
+  call void @finch_str_drop(ptr %a650)
+  %t651 = load { ptr, i64, i64 }, ptr %a647
+  store { ptr, i64, i64 } %t651, ptr %a653
+  store { ptr, i64, i64 } { ptr @.str.4761, i64 1, i64 0 }, ptr %a654
+  call void @finch_str_concat(ptr %a652, ptr %a653, ptr %a654)
+  store { ptr, i64, i64 } %t651, ptr %a655
+  call void @finch_str_drop(ptr %a655)
+  %t656 = load { ptr, i64, i64 }, ptr %a652
+  %t657 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 11
+  %t658 = load { ptr, i64, i64 }, ptr %t657
+  store { ptr, i64, i64 } %t656, ptr %a660
+  store { ptr, i64, i64 } %t658, ptr %a661
+  call void @finch_str_concat(ptr %a659, ptr %a660, ptr %a661)
+  store { ptr, i64, i64 } %t656, ptr %a662
+  call void @finch_str_drop(ptr %a662)
+  %t663 = load { ptr, i64, i64 }, ptr %a659
+  store { ptr, i64, i64 } %t663, ptr %a665
+  store { ptr, i64, i64 } { ptr @.str.4762, i64 1, i64 0 }, ptr %a666
+  call void @finch_str_concat(ptr %a664, ptr %a665, ptr %a666)
+  store { ptr, i64, i64 } %t663, ptr %a667
+  call void @finch_str_drop(ptr %a667)
+  %t668 = load { ptr, i64, i64 }, ptr %a664
+  %t669 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4763, i64 2, i64 0 }, ptr %a670
+  call void @finch_str_join(ptr %a671, ptr %a303, ptr %a670)
+  %t672 = load { ptr, i64, i64 }, ptr %a671
+  store { ptr, i64, i64 } %t668, ptr %a674
+  store { ptr, i64, i64 } %t672, ptr %a675
+  call void @finch_str_concat(ptr %a673, ptr %a674, ptr %a675)
+  store { ptr, i64, i64 } %t668, ptr %a676
+  call void @finch_str_drop(ptr %a676)
+  store { ptr, i64, i64 } %t672, ptr %a677
+  call void @finch_str_drop(ptr %a677)
+  %t678 = load { ptr, i64, i64 }, ptr %a673
+  store { ptr, i64, i64 } %t678, ptr %a680
+  store { ptr, i64, i64 } { ptr @.str.4764, i64 1, i64 0 }, ptr %a681
+  call void @finch_str_concat(ptr %a679, ptr %a680, ptr %a681)
+  store { ptr, i64, i64 } %t678, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = load { ptr, i64, i64 }, ptr %a679
+  store { ptr, i64, i64 } %t683, ptr %a684
+  store { ptr, i64, i64 } { ptr @.str.4765, i64 0, i64 0 }, ptr %a685
+  %t686 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t687 = getelementptr inbounds %S.ast.Type, ptr %t686, i32 0, i32 0
+  %t688 = load { ptr, i64, i64 }, ptr %t687
+  store { ptr, i64, i64 } %t688, ptr %a689
+  store { ptr, i64, i64 } { ptr @.str.4766, i64 4, i64 0 }, ptr %a690
+  %t691 = call i32 @finch_str_eq(ptr %a689, ptr %a690)
+  %t692 = icmp ne i32 %t691, 0
+  br i1 %t692, label %then7456, label %else7457
+then7456:
+  %t693 = load ptr, ptr %a1
+  %t694 = load { ptr, i64, i64 }, ptr %a684
+  call void @finch.gen.emit(ptr %t693, { ptr, i64, i64 } %t694)
+  %t695 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t695, { ptr, i64, i64 } { ptr @.str.4767, i64 8, i64 0 })
+  br label %endif7458
+else7457:
+  %t696 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 3
+  %t697 = load i1, ptr %t696
+  br i1 %t697, label %then7459, label %else7460
+then7459:
+  %t698 = load ptr, ptr %a1
+  %t699 = load ptr, ptr %a1
+  %t700 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t701 = load %S.ast.Type, ptr %t700
+  %t702 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t699, %S.ast.Type %t701)
   %t703 = load ptr, ptr %a1
-  %t704 = load { ptr, i64, i64 }, ptr %a621
+  %t704 = load { ptr, i64, i64 }, ptr %a684
   %t705 = call { ptr, i64, i64 } @finch.gen.op(ptr %t703, { ptr, i64, i64 } %t704)
+  %t706 = load { ptr, i64, i64 }, ptr %a279
+  call void @finch.gen.store(ptr %t698, { ptr, i64, i64 } %t702, { ptr, i64, i64 } %t705, { ptr, i64, i64 } %t706)
   store { ptr, i64, i64 } %t702, ptr %a707
+  call void @finch_str_drop(ptr %a707)
   store { ptr, i64, i64 } %t705, ptr %a708
-  call void @finch_str_concat(ptr %a706, ptr %a707, ptr %a708)
-  %t709 = load { ptr, i64, i64 }, ptr %a706
-  call void @finch.gen.emit(ptr %t690, { ptr, i64, i64 } %t709)
-  br label %endif7089
-endif7089:
-  br label %endif7086
-endif7086:
-  br label %endif7083
-endif7083:
-  %t710 = load ptr, ptr %a1
-  %t711 = load %S.gen.Saved, ptr %a265
-  %t712 = load { ptr, i64, i64 }, ptr %a622
-  store { ptr, i64, i64 } { ptr @.str.4602, i64 15, i64 0 }, ptr %a714
-  store { ptr, i64, i64 } %t712, ptr %a715
-  call void @finch_str_concat(ptr %a713, ptr %a714, ptr %a715)
-  %t716 = load { ptr, i64, i64 }, ptr %a713
-  store { ptr, i64, i64 } %t716, ptr %a718
-  store { ptr, i64, i64 } { ptr @.str.4603, i64 1, i64 0 }, ptr %a719
-  call void @finch_str_concat(ptr %a717, ptr %a718, ptr %a719)
-  %t720 = load { ptr, i64, i64 }, ptr %a717
-  %t721 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 2
-  %t722 = load { ptr, i64, i64 }, ptr %t721
-  store { ptr, i64, i64 } %t720, ptr %a724
-  store { ptr, i64, i64 } %t722, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  store { ptr, i64, i64 } %t726, ptr %a728
-  store { ptr, i64, i64 } { ptr @.str.4604, i64 1, i64 0 }, ptr %a729
-  call void @finch_str_concat(ptr %a727, ptr %a728, ptr %a729)
-  %t730 = load { ptr, i64, i64 }, ptr %a727
-  %t731 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t730, ptr %a733
-  store { ptr, i64, i64 } %t731, ptr %a734
-  call void @finch_str_concat(ptr %a732, ptr %a733, ptr %a734)
-  %t735 = load { ptr, i64, i64 }, ptr %a732
-  store { ptr, i64, i64 } %t735, ptr %a737
-  store { ptr, i64, i64 } { ptr @.str.4605, i64 1, i64 0 }, ptr %a738
-  call void @finch_str_concat(ptr %a736, ptr %a737, ptr %a738)
-  %t739 = load { ptr, i64, i64 }, ptr %a736
-  %t740 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4606, i64 2, i64 0 }, ptr %a741
-  call void @finch_str_join(ptr %a742, ptr %a266, ptr %a741)
-  %t743 = load { ptr, i64, i64 }, ptr %a742
-  store { ptr, i64, i64 } %t739, ptr %a745
-  store { ptr, i64, i64 } %t743, ptr %a746
-  call void @finch_str_concat(ptr %a744, ptr %a745, ptr %a746)
-  %t747 = load { ptr, i64, i64 }, ptr %a744
-  store { ptr, i64, i64 } %t747, ptr %a749
-  store { ptr, i64, i64 } { ptr @.str.4607, i64 1, i64 0 }, ptr %a750
-  call void @finch_str_concat(ptr %a748, ptr %a749, ptr %a750)
-  %t751 = load { ptr, i64, i64 }, ptr %a748
-  call void @finch.gen.endHelper(ptr %t710, %S.gen.Saved %t711, { ptr, i64, i64 } %t751)
-  %t752 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t752, ptr %a753
-  call void @finch_str_copy(ptr %a754, ptr %a753)
-  %t755 = load { ptr, i64, i64 }, ptr %a754
-  ret { ptr, i64, i64 } %t755
+  call void @finch_str_drop(ptr %a708)
+  %t709 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t709, { ptr, i64, i64 } { ptr @.str.4768, i64 8, i64 0 })
+  br label %endif7461
+else7460:
+  %t710 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 0
+  %t711 = getelementptr inbounds %S.gen.Abi, ptr %t710, i32 0, i32 0
+  %t712 = load { ptr, i64, i64 }, ptr %t711
+  store { ptr, i64, i64 } %t712, ptr %a713
+  store { ptr, i64, i64 } { ptr @.str.4769, i64 6, i64 0 }, ptr %a714
+  %t715 = call i32 @finch_str_eq(ptr %a713, ptr %a714)
+  %t716 = icmp ne i32 %t715, 0
+  br i1 %t716, label %then7462, label %else7463
+then7462:
+  %t717 = load ptr, ptr %a1
+  %t718 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t717, { ptr, i64, i64 } { ptr @.str.4770, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t718, ptr %a719
+  %t720 = load ptr, ptr %a1
+  %t721 = load ptr, ptr %a1
+  %t722 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t723 = load %S.ast.Type, ptr %t722
+  %t724 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t721, %S.ast.Type %t723)
+  %t725 = load ptr, ptr %a1
+  %t726 = load { ptr, i64, i64 }, ptr %a684
+  %t727 = call { ptr, i64, i64 } @finch.gen.op(ptr %t725, { ptr, i64, i64 } %t726)
+  %t728 = load { ptr, i64, i64 }, ptr %a719
+  call void @finch.gen.store(ptr %t720, { ptr, i64, i64 } %t724, { ptr, i64, i64 } %t727, { ptr, i64, i64 } %t728)
+  store { ptr, i64, i64 } %t724, ptr %a729
+  call void @finch_str_drop(ptr %a729)
+  store { ptr, i64, i64 } %t727, ptr %a730
+  call void @finch_str_drop(ptr %a730)
+  %t731 = load ptr, ptr %a1
+  %t732 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 0
+  %t733 = getelementptr inbounds %S.gen.Abi, ptr %t732, i32 0, i32 2
+  %t734 = load { ptr, i64, i64 }, ptr %t733
+  store { ptr, i64, i64 } { ptr @.str.4771, i64 4, i64 0 }, ptr %a736
+  store { ptr, i64, i64 } %t734, ptr %a737
+  call void @finch_str_concat(ptr %a735, ptr %a736, ptr %a737)
+  %t738 = load { ptr, i64, i64 }, ptr %a735
+  store { ptr, i64, i64 } %t738, ptr %a740
+  store { ptr, i64, i64 } { ptr @.str.4772, i64 1, i64 0 }, ptr %a741
+  call void @finch_str_concat(ptr %a739, ptr %a740, ptr %a741)
+  store { ptr, i64, i64 } %t738, ptr %a742
+  call void @finch_str_drop(ptr %a742)
+  %t743 = load { ptr, i64, i64 }, ptr %a739
+  %t744 = load ptr, ptr %a1
+  %t745 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 0
+  %t746 = getelementptr inbounds %S.gen.Abi, ptr %t745, i32 0, i32 2
+  %t747 = load { ptr, i64, i64 }, ptr %t746
+  %t748 = load { ptr, i64, i64 }, ptr %a719
+  %t749 = call { ptr, i64, i64 } @finch.gen.load(ptr %t744, { ptr, i64, i64 } %t747, { ptr, i64, i64 } %t748)
+  store { ptr, i64, i64 } %t743, ptr %a751
+  store { ptr, i64, i64 } %t749, ptr %a752
+  call void @finch_str_concat(ptr %a750, ptr %a751, ptr %a752)
+  store { ptr, i64, i64 } %t743, ptr %a753
+  call void @finch_str_drop(ptr %a753)
+  store { ptr, i64, i64 } %t749, ptr %a754
+  call void @finch_str_drop(ptr %a754)
+  %t755 = load { ptr, i64, i64 }, ptr %a750
+  call void @finch.gen.emit(ptr %t731, { ptr, i64, i64 } %t755)
+  store { ptr, i64, i64 } %t755, ptr %a756
+  call void @finch_str_drop(ptr %a756)
+  call void @finch_str_drop(ptr %a719)
+  br label %endif7464
+else7463:
+  %t757 = load ptr, ptr %a1
+  %t758 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t759 = load %S.ast.Type, ptr %t758
+  %t760 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t757, %S.ast.Type %t759)
+  %t761 = load { ptr, i64, i64 }, ptr %a685
+  store { ptr, i64, i64 } %t760, ptr %a685
+  store { ptr, i64, i64 } %t761, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = load ptr, ptr %a1
+  %t764 = load ptr, ptr %a1
+  %t765 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t766 = load %S.ast.Type, ptr %t765
+  %t767 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t764, %S.ast.Type %t766)
+  store { ptr, i64, i64 } { ptr @.str.4773, i64 4, i64 0 }, ptr %a769
+  store { ptr, i64, i64 } %t767, ptr %a770
+  call void @finch_str_concat(ptr %a768, ptr %a769, ptr %a770)
+  store { ptr, i64, i64 } %t767, ptr %a771
+  call void @finch_str_drop(ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a768
+  store { ptr, i64, i64 } %t772, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.4774, i64 1, i64 0 }, ptr %a775
+  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
+  store { ptr, i64, i64 } %t772, ptr %a776
+  call void @finch_str_drop(ptr %a776)
+  %t777 = load { ptr, i64, i64 }, ptr %a773
+  %t778 = load ptr, ptr %a1
+  %t779 = load { ptr, i64, i64 }, ptr %a684
+  %t780 = call { ptr, i64, i64 } @finch.gen.op(ptr %t778, { ptr, i64, i64 } %t779)
+  store { ptr, i64, i64 } %t777, ptr %a782
+  store { ptr, i64, i64 } %t780, ptr %a783
+  call void @finch_str_concat(ptr %a781, ptr %a782, ptr %a783)
+  store { ptr, i64, i64 } %t777, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  store { ptr, i64, i64 } %t780, ptr %a785
+  call void @finch_str_drop(ptr %a785)
+  %t786 = load { ptr, i64, i64 }, ptr %a781
+  call void @finch.gen.emit(ptr %t763, { ptr, i64, i64 } %t786)
+  store { ptr, i64, i64 } %t786, ptr %a787
+  call void @finch_str_drop(ptr %a787)
+  br label %endif7464
+endif7464:
+  br label %endif7461
+endif7461:
+  br label %endif7458
+endif7458:
+  %t788 = load ptr, ptr %a1
+  %t789 = load %S.gen.Saved, ptr %a276
+  %t790 = load { ptr, i64, i64 }, ptr %a685
+  store { ptr, i64, i64 } { ptr @.str.4775, i64 15, i64 0 }, ptr %a792
+  store { ptr, i64, i64 } %t790, ptr %a793
+  call void @finch_str_concat(ptr %a791, ptr %a792, ptr %a793)
+  %t794 = load { ptr, i64, i64 }, ptr %a791
+  store { ptr, i64, i64 } %t794, ptr %a796
+  store { ptr, i64, i64 } { ptr @.str.4776, i64 1, i64 0 }, ptr %a797
+  call void @finch_str_concat(ptr %a795, ptr %a796, ptr %a797)
+  store { ptr, i64, i64 } %t794, ptr %a798
+  call void @finch_str_drop(ptr %a798)
+  %t799 = load { ptr, i64, i64 }, ptr %a795
+  %t800 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 2
+  %t801 = load { ptr, i64, i64 }, ptr %t800
+  store { ptr, i64, i64 } %t799, ptr %a803
+  store { ptr, i64, i64 } %t801, ptr %a804
+  call void @finch_str_concat(ptr %a802, ptr %a803, ptr %a804)
+  store { ptr, i64, i64 } %t799, ptr %a805
+  call void @finch_str_drop(ptr %a805)
+  %t806 = load { ptr, i64, i64 }, ptr %a802
+  store { ptr, i64, i64 } %t806, ptr %a808
+  store { ptr, i64, i64 } { ptr @.str.4777, i64 1, i64 0 }, ptr %a809
+  call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
+  store { ptr, i64, i64 } %t806, ptr %a810
+  call void @finch_str_drop(ptr %a810)
+  %t811 = load { ptr, i64, i64 }, ptr %a807
+  %t812 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } %t811, ptr %a814
+  store { ptr, i64, i64 } %t812, ptr %a815
+  call void @finch_str_concat(ptr %a813, ptr %a814, ptr %a815)
+  store { ptr, i64, i64 } %t811, ptr %a816
+  call void @finch_str_drop(ptr %a816)
+  %t817 = load { ptr, i64, i64 }, ptr %a813
+  store { ptr, i64, i64 } %t817, ptr %a819
+  store { ptr, i64, i64 } { ptr @.str.4778, i64 1, i64 0 }, ptr %a820
+  call void @finch_str_concat(ptr %a818, ptr %a819, ptr %a820)
+  store { ptr, i64, i64 } %t817, ptr %a821
+  call void @finch_str_drop(ptr %a821)
+  %t822 = load { ptr, i64, i64 }, ptr %a818
+  %t823 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4779, i64 2, i64 0 }, ptr %a824
+  call void @finch_str_join(ptr %a825, ptr %a277, ptr %a824)
+  %t826 = load { ptr, i64, i64 }, ptr %a825
+  store { ptr, i64, i64 } %t822, ptr %a828
+  store { ptr, i64, i64 } %t826, ptr %a829
+  call void @finch_str_concat(ptr %a827, ptr %a828, ptr %a829)
+  store { ptr, i64, i64 } %t822, ptr %a830
+  call void @finch_str_drop(ptr %a830)
+  store { ptr, i64, i64 } %t826, ptr %a831
+  call void @finch_str_drop(ptr %a831)
+  %t832 = load { ptr, i64, i64 }, ptr %a827
+  store { ptr, i64, i64 } %t832, ptr %a834
+  store { ptr, i64, i64 } { ptr @.str.4780, i64 1, i64 0 }, ptr %a835
+  call void @finch_str_concat(ptr %a833, ptr %a834, ptr %a835)
+  store { ptr, i64, i64 } %t832, ptr %a836
+  call void @finch_str_drop(ptr %a836)
+  %t837 = load { ptr, i64, i64 }, ptr %a833
+  call void @finch.gen.endHelper(ptr %t788, %S.gen.Saved %t789, { ptr, i64, i64 } %t837)
+  store { ptr, i64, i64 } %t837, ptr %a838
+  call void @finch_str_drop(ptr %a838)
+  %t839 = load { ptr, i64, i64 }, ptr %a38
+  call void @finch_str_drop(ptr %a685)
+  call void @finch_str_drop(ptr %a684)
+  call void @finch.drop.arr_str(ptr %a303)
+  call void @finch_str_drop(ptr %a279)
+  call void @finch.drop.arr_str(ptr %a277)
+  call void @finch.drop.S_gen_Saved(ptr %a276)
+  call void @finch.drop.S_gen_Plan(ptr %a273)
+  call void @finch.drop.S_gen_FnSig(ptr %a17)
+  ret { ptr, i64, i64 } %t839
 }
 
 define internal %S.gen.Val @finch.gen.enumFrom(ptr %p0, %S.ast.Node %p1, i64 %p2) {
@@ -63551,86 +75163,107 @@ entry:
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca %S.ast.Type, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca i64, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca %S.ast.Type, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca i64, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca i64, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca %S.ast.Type, align 16
-  %a120 = alloca %S.ast.Type, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca i64, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.ast.Type, align 16
+  %a135 = alloca %S.ast.Type, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca i64, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
   %a215 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca %S.ast.Type, align 16
-  %a221 = alloca %S.ast.Type, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca %S.ast.Type, align 16
+  %a244 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic7090, label %ok7091
-panic7090:
-  call void @finch_panic(ptr @.str.4608, i64 4087, ptr @.str.4609)
+  br i1 %t5, label %panic7468, label %ok7469
+panic7468:
+  call void @finch_panic(ptr @.str.4781, i64 4374, ptr @.str.4782)
   unreachable
-ok7091:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 20
+ok7469:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 21
   %t7 = load i64, ptr %a3
   %t8 = load { ptr, i64, i64 }, ptr %t6
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range7092, label %inrange7093
-range7092:
-  call void @finch_panic_index(ptr @.str.4610, i64 4087, i64 %t7, i64 %t9)
+  br i1 %t10, label %range7470, label %inrange7471
+range7470:
+  call void @finch_panic_index(ptr @.str.4783, i64 4374, i64 %t7, i64 %t9)
   unreachable
-inrange7093:
+inrange7471:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.EnumDef, ptr %t11, i64 %t7
   %t13 = load %S.gen.EnumDef, ptr %t12
@@ -63648,11 +75281,11 @@ inrange7093:
   %t24 = load { ptr, i64, i64 }, ptr %t23
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 0, %t25
-  br i1 %t26, label %range7094, label %inrange7095
-range7094:
-  call void @finch_panic_index(ptr @.str.4611, i64 4089, i64 0, i64 %t25)
+  br i1 %t26, label %range7472, label %inrange7473
+range7472:
+  call void @finch_panic_index(ptr @.str.4784, i64 4376, i64 0, i64 %t25)
   unreachable
-inrange7095:
+inrange7473:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds %S.ast.Node, ptr %t27, i64 0
   %t29 = load %S.ast.Node, ptr %t28
@@ -63662,25 +75295,25 @@ inrange7095:
   %t33 = load %S.ast.Type, ptr %t32
   %t34 = call i1 @finch.gen.isInt(%S.ast.Type %t33)
   %t35 = xor i1 %t34, true
-  br i1 %t35, label %then7096, label %endif7098
-then7096:
+  br i1 %t35, label %then7474, label %endif7476
+then7474:
   %t36 = load ptr, ptr %a1
   %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t38 = load { ptr, i64, i64 }, ptr %t37
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 0, %t39
-  br i1 %t40, label %range7099, label %inrange7100
-range7099:
-  call void @finch_panic_index(ptr @.str.4612, i64 4091, i64 0, i64 %t39)
+  br i1 %t40, label %range7477, label %inrange7478
+range7477:
+  call void @finch_panic_index(ptr @.str.4785, i64 4378, i64 0, i64 %t39)
   unreachable
-inrange7100:
+inrange7478:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i64 0
   %t43 = load %S.ast.Node, ptr %t42
   %t44 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
   %t45 = load { ptr, i64, i64 }, ptr %t44
   store { ptr, i64, i64 } %t45, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.4613, i64 54, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.4786, i64 54, i64 0 }, ptr %a48
   call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
   %t49 = load { ptr, i64, i64 }, ptr %a46
   %t50 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 1
@@ -63689,227 +75322,280 @@ inrange7100:
   store { ptr, i64, i64 } %t49, ptr %a54
   store { ptr, i64, i64 } %t52, ptr %a55
   call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t43, { ptr, i64, i64 } %t56)
-  br label %endif7098
-endif7098:
-  %t57 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4614, i64 4, i64 0 }, 0
-  %t58 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  store { ptr, i64, i64 } %t59, ptr %a60
-  call void @finch_str_copy(ptr %a61, ptr %a60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  %t63 = insertvalue %S.ast.Type %t57, { ptr, i64, i64 } %t62, 2
-  %t64 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
-  %t65 = load { ptr, i64, i64 }, ptr %t64
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  %t69 = insertvalue %S.ast.Type %t63, { ptr, i64, i64 } %t68, 3
-  store %S.ast.Type %t69, ptr %a70
-  %t71 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 3
-  %t72 = load i1, ptr %t71
-  br i1 %t72, label %then7101, label %endif7103
-then7101:
-  %t73 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  store { ptr, i64, i64 } %t76, ptr %a77
-  %t78 = call i64 @finch_str_to_int(ptr %a77, ptr @.str.4615, i64 4095)
-  store i64 -1, ptr %a79
-  %t80 = load i64, ptr %t74
-  %t81 = load ptr, ptr %t73
-  store i64 0, ptr %a82
-  br label %find.cond7104
-find.cond7104:
-  %t83 = load i64, ptr %a82
-  %t84 = icmp slt i64 %t83, %t80
-  br i1 %t84, label %find.body7105, label %find.end7108
-find.body7105:
-  %t85 = getelementptr inbounds i64, ptr %t81, i64 %t83
-  %t86 = load i64, ptr %t85
-  %t87 = icmp eq i64 %t86, %t78
-  br i1 %t87, label %find.hit7106, label %find.next7107
-find.hit7106:
-  store i64 %t83, ptr %a79
-  br label %find.end7108
-find.next7107:
-  %t88 = add i64 %t83, 1
-  store i64 %t88, ptr %a82
-  br label %find.cond7104
-find.end7108:
-  %t89 = load i64, ptr %a79
-  %t90 = icmp sge i64 %t89, 0
-  %t91 = xor i1 %t90, true
-  br i1 %t91, label %then7109, label %endif7111
-then7109:
-  %t92 = load ptr, ptr %a1
-  %t93 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t94 = load { ptr, i64, i64 }, ptr %t93
-  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
-  %t96 = icmp uge i64 0, %t95
-  br i1 %t96, label %range7112, label %inrange7113
-range7112:
-  call void @finch_panic_index(ptr @.str.4616, i64 4096, i64 0, i64 %t95)
+  store { ptr, i64, i64 } %t49, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  store { ptr, i64, i64 } %t52, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a53
+  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t43, { ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  br label %endif7476
+endif7476:
+  %t60 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4787, i64 4, i64 0 }, 0
+  %t61 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  %t66 = insertvalue %S.ast.Type %t60, { ptr, i64, i64 } %t65, 2
+  %t67 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  store { ptr, i64, i64 } %t68, ptr %a69
+  call void @finch_str_copy(ptr %a70, ptr %a69)
+  %t71 = load { ptr, i64, i64 }, ptr %a70
+  %t72 = insertvalue %S.ast.Type %t66, { ptr, i64, i64 } %t71, 3
+  store %S.ast.Type %t72, ptr %a73
+  %t74 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 3
+  %t75 = load i1, ptr %t74
+  br i1 %t75, label %then7479, label %endif7481
+then7479:
+  %t76 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  %t81 = call i64 @finch_str_to_int(ptr %a80, ptr @.str.4788, i64 4382)
+  store i64 -1, ptr %a82
+  %t83 = load i64, ptr %t77
+  %t84 = load ptr, ptr %t76
+  store i64 0, ptr %a85
+  br label %find.cond7482
+find.cond7482:
+  %t86 = load i64, ptr %a85
+  %t87 = icmp slt i64 %t86, %t83
+  br i1 %t87, label %find.body7483, label %find.end7486
+find.body7483:
+  %t88 = getelementptr inbounds i64, ptr %t84, i64 %t86
+  %t89 = load i64, ptr %t88
+  %t90 = icmp eq i64 %t89, %t81
+  br i1 %t90, label %find.hit7484, label %find.next7485
+find.hit7484:
+  store i64 %t86, ptr %a82
+  br label %find.end7486
+find.next7485:
+  %t91 = add i64 %t86, 1
+  store i64 %t91, ptr %a85
+  br label %find.cond7482
+find.end7486:
+  %t92 = load i64, ptr %a82
+  %t93 = icmp sge i64 %t92, 0
+  %t94 = xor i1 %t93, true
+  br i1 %t94, label %then7487, label %endif7489
+then7487:
+  %t95 = load ptr, ptr %a1
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  %t98 = extractvalue { ptr, i64, i64 } %t97, 1
+  %t99 = icmp uge i64 0, %t98
+  br i1 %t99, label %range7490, label %inrange7491
+range7490:
+  call void @finch_panic_index(ptr @.str.4789, i64 4383, i64 0, i64 %t98)
   unreachable
-inrange7113:
-  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.ast.Node, ptr %t97, i64 0
-  %t99 = load %S.ast.Node, ptr %t98
-  %t100 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  store { ptr, i64, i64 } %t101, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.4617, i64 37, i64 0 }, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  %t106 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t107 = load { ptr, i64, i64 }, ptr %t106
-  store { ptr, i64, i64 } %t105, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  call void @finch.gen.fail(ptr %t92, %S.ast.Node %t99, { ptr, i64, i64 } %t111)
-  br label %endif7111
-endif7111:
-  %t112 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } %t113, ptr %a114
-  call void @finch_str_copy(ptr %a115, ptr %a114)
-  %t116 = load { ptr, i64, i64 }, ptr %a115
-  %t117 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t116, 0
-  %t118 = load %S.ast.Type, ptr %a70
-  store %S.ast.Type %t118, ptr %a119
-  call void @finch.copy.S_ast_Type(ptr %a120, ptr %a119)
-  %t121 = load %S.ast.Type, ptr %a120
-  %t122 = insertvalue %S.gen.Val %t117, %S.ast.Type %t121, 1
-  ret %S.gen.Val %t122
-endif7103:
-  %t123 = load ptr, ptr %a1
-  %t124 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  %t126 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 1
-  %t127 = load %S.ast.Type, ptr %t126
-  %t128 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4618, i64 3, i64 0 })
-  %t129 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t123, { ptr, i64, i64 } %t125, %S.ast.Type %t127, %S.ast.Type %t128)
-  store { ptr, i64, i64 } %t129, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.4619, i64 0, i64 0 }, ptr %a131
-  %t132 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t132, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  store i64 0, ptr %a135
-  br label %for.cond7114
-for.cond7114:
-  %t136 = load i64, ptr %a135
-  %t137 = icmp slt i64 %t136, %t134
-  br i1 %t137, label %for.body7115, label %for.end7117
-for.body7115:
-  %t138 = load ptr, ptr %a1
-  %t139 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.4620, i64 12, i64 0 }, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  store { ptr, i64, i64 } %t143, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.4621, i64 2, i64 0 }, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t149 = load i64, ptr %a135
-  %t150 = load { ptr, i64, i64 }, ptr %t148
-  %t151 = extractvalue { ptr, i64, i64 } %t150, 1
-  %t152 = icmp uge i64 %t149, %t151
-  br i1 %t152, label %range7118, label %inrange7119
-range7118:
-  call void @finch_panic_index(ptr @.str.4622, i64 4103, i64 %t149, i64 %t151)
+inrange7491:
+  %t100 = extractvalue { ptr, i64, i64 } %t97, 0
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 0
+  %t102 = load %S.ast.Node, ptr %t101
+  %t103 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.4790, i64 37, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a105
+  %t109 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } %t108, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t108, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.fail(ptr %t95, %S.ast.Node %t102, { ptr, i64, i64 } %t115)
+  store { ptr, i64, i64 } %t115, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  br label %endif7489
+endif7489:
+  %t117 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_copy(ptr %a120, ptr %a119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  %t122 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t121, 0
+  %t123 = load %S.ast.Type, ptr %a73
+  store %S.ast.Type %t123, ptr %a124
+  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
+  %t126 = load %S.ast.Type, ptr %a125
+  %t127 = insertvalue %S.gen.Val %t122, %S.ast.Type %t126, 1
+  call void @finch.drop.S_ast_Type(ptr %a73)
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.S_gen_EnumDef(ptr %a17)
+  ret %S.gen.Val %t127
+endif7481:
+  %t128 = load ptr, ptr %a1
+  %t129 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t130 = load { ptr, i64, i64 }, ptr %t129
+  %t131 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 1
+  %t132 = load %S.ast.Type, ptr %t131
+  %t133 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4791, i64 3, i64 0 })
+  %t134 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t128, { ptr, i64, i64 } %t130, %S.ast.Type %t132, %S.ast.Type %t133)
+  store %S.ast.Type %t133, ptr %a135
+  call void @finch.drop.S_ast_Type(ptr %a135)
+  store { ptr, i64, i64 } %t134, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4792, i64 0, i64 0 }, ptr %a137
+  %t138 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t138, i32 0, i32 1
+  %t140 = load i64, ptr %t139
+  store i64 0, ptr %a141
+  br label %for.cond7492
+for.cond7492:
+  %t142 = load i64, ptr %a141
+  %t143 = icmp slt i64 %t142, %t140
+  br i1 %t143, label %for.body7493, label %for.end7495
+for.body7493:
+  %t144 = load ptr, ptr %a1
+  %t145 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4793, i64 12, i64 0 }, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  %t149 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t149, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.4794, i64 2, i64 0 }, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  store { ptr, i64, i64 } %t149, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  %t155 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t156 = load i64, ptr %a141
+  %t157 = load { ptr, i64, i64 }, ptr %t155
+  %t158 = extractvalue { ptr, i64, i64 } %t157, 1
+  %t159 = icmp uge i64 %t156, %t158
+  br i1 %t159, label %range7496, label %inrange7497
+range7496:
+  call void @finch_panic_index(ptr @.str.4795, i64 4390, i64 %t156, i64 %t158)
   unreachable
-inrange7119:
-  %t153 = extractvalue { ptr, i64, i64 } %t150, 0
-  %t154 = getelementptr inbounds i64, ptr %t153, i64 %t149
-  %t155 = load i64, ptr %t154
-  call void @finch_str_from_int(ptr %a156, i64 %t155)
-  %t157 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } %t147, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  %t162 = call { ptr, i64, i64 } @finch.gen.op(ptr %t138, { ptr, i64, i64 } %t161)
-  store { ptr, i64, i64 } %t162, ptr %a163
-  %t164 = load i64, ptr %a135
-  %t165 = icmp eq i64 %t164, 0
-  br i1 %t165, label %then7120, label %else7121
-then7120:
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t166, ptr %a167
-  call void @finch_str_copy(ptr %a168, ptr %a167)
-  %t169 = load { ptr, i64, i64 }, ptr %a168
-  store { ptr, i64, i64 } %t169, ptr %a131
-  br label %endif7122
-else7121:
-  %t170 = load ptr, ptr %a1
-  %t171 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4623, i64 6, i64 0 }, ptr %a173
-  store { ptr, i64, i64 } %t171, ptr %a174
-  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
-  %t175 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.4624, i64 2, i64 0 }, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t179, ptr %a182
-  store { ptr, i64, i64 } %t180, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  %t185 = call { ptr, i64, i64 } @finch.gen.op(ptr %t170, { ptr, i64, i64 } %t184)
-  store { ptr, i64, i64 } %t185, ptr %a131
-  br label %endif7122
-endif7122:
-  br label %for.step7116
-for.step7116:
-  %t186 = load i64, ptr %a135
-  %t187 = add i64 %t186, 1
-  store i64 %t187, ptr %a135
-  br label %for.cond7114
-for.end7117:
-  %t188 = load ptr, ptr %a1
-  %t189 = load ptr, ptr %a1
-  %t190 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4625, i64 7, i64 0 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.4626, i64 6, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t189, { ptr, i64, i64 } %t198)
-  %t200 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store { ptr, i64, i64 } { ptr @.str.4627, i64 32, i64 0 }, ptr %a203
-  store { ptr, i64, i64 } %t201, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t188, { ptr, i64, i64 } %t199, { ptr, i64, i64 } %t205, %S.ast.Node %t206)
-  %t207 = load ptr, ptr %a1
-  %t208 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.4628, i64 10, i64 0 }, ptr %a210
-  store { ptr, i64, i64 } %t208, ptr %a211
-  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
-  %t212 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t212, ptr %a214
-  store { ptr, i64, i64 } { ptr @.str.4629, i64 7, i64 0 }, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  %t217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t207, { ptr, i64, i64 } %t216)
-  %t218 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t217, 0
-  %t219 = load %S.ast.Type, ptr %a70
-  store %S.ast.Type %t219, ptr %a220
-  call void @finch.copy.S_ast_Type(ptr %a221, ptr %a220)
-  %t222 = load %S.ast.Type, ptr %a221
-  %t223 = insertvalue %S.gen.Val %t218, %S.ast.Type %t222, 1
-  ret %S.gen.Val %t223
+inrange7497:
+  %t160 = extractvalue { ptr, i64, i64 } %t157, 0
+  %t161 = getelementptr inbounds i64, ptr %t160, i64 %t156
+  %t162 = load i64, ptr %t161
+  call void @finch_str_from_int(ptr %a163, i64 %t162)
+  %t164 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t154, ptr %a166
+  store { ptr, i64, i64 } %t164, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  store { ptr, i64, i64 } %t154, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  store { ptr, i64, i64 } %t164, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load { ptr, i64, i64 }, ptr %a165
+  %t171 = call { ptr, i64, i64 } @finch.gen.op(ptr %t144, { ptr, i64, i64 } %t170)
+  store { ptr, i64, i64 } %t170, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  store { ptr, i64, i64 } %t171, ptr %a173
+  %t174 = load i64, ptr %a141
+  %t175 = icmp eq i64 %t174, 0
+  br i1 %t175, label %then7498, label %else7499
+then7498:
+  %t176 = load { ptr, i64, i64 }, ptr %a173
+  store { ptr, i64, i64 } %t176, ptr %a177
+  call void @finch_str_copy(ptr %a178, ptr %a177)
+  %t179 = load { ptr, i64, i64 }, ptr %a178
+  %t180 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t179, ptr %a137
+  store { ptr, i64, i64 } %t180, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  br label %endif7500
+else7499:
+  %t182 = load ptr, ptr %a1
+  %t183 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.4796, i64 6, i64 0 }, ptr %a185
+  store { ptr, i64, i64 } %t183, ptr %a186
+  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a184
+  store { ptr, i64, i64 } %t187, ptr %a189
+  store { ptr, i64, i64 } { ptr @.str.4797, i64 2, i64 0 }, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  %t193 = load { ptr, i64, i64 }, ptr %a173
+  store { ptr, i64, i64 } %t192, ptr %a195
+  store { ptr, i64, i64 } %t193, ptr %a196
+  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
+  store { ptr, i64, i64 } %t192, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a194
+  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t182, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t198, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  %t201 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t199, ptr %a137
+  store { ptr, i64, i64 } %t201, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  br label %endif7500
+endif7500:
+  call void @finch_str_drop(ptr %a173)
+  br label %for.step7494
+for.step7494:
+  %t203 = load i64, ptr %a141
+  %t204 = add i64 %t203, 1
+  store i64 %t204, ptr %a141
+  br label %for.cond7492
+for.end7495:
+  %t205 = load ptr, ptr %a1
+  %t206 = load ptr, ptr %a1
+  %t207 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.4798, i64 7, i64 0 }, ptr %a209
+  store { ptr, i64, i64 } %t207, ptr %a210
+  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
+  %t211 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t211, ptr %a213
+  store { ptr, i64, i64 } { ptr @.str.4799, i64 6, i64 0 }, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  store { ptr, i64, i64 } %t211, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a212
+  %t217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t206, { ptr, i64, i64 } %t216)
+  store { ptr, i64, i64 } %t216, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  %t219 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t220 = load { ptr, i64, i64 }, ptr %t219
+  store { ptr, i64, i64 } { ptr @.str.4800, i64 32, i64 0 }, ptr %a222
+  store { ptr, i64, i64 } %t220, ptr %a223
+  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a221
+  %t225 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t205, { ptr, i64, i64 } %t217, { ptr, i64, i64 } %t224, %S.ast.Node %t225)
+  store { ptr, i64, i64 } %t217, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  store { ptr, i64, i64 } %t224, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load ptr, ptr %a1
+  %t229 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4801, i64 10, i64 0 }, ptr %a231
+  store { ptr, i64, i64 } %t229, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.4802, i64 7, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  %t239 = call { ptr, i64, i64 } @finch.gen.op(ptr %t228, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t238, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t239, 0
+  %t242 = load %S.ast.Type, ptr %a73
+  store %S.ast.Type %t242, ptr %a243
+  call void @finch.copy.S_ast_Type(ptr %a244, ptr %a243)
+  %t245 = load %S.ast.Type, ptr %a244
+  %t246 = insertvalue %S.gen.Val %t241, %S.ast.Type %t245, 1
+  call void @finch_str_drop(ptr %a137)
+  call void @finch_str_drop(ptr %a136)
+  call void @finch.drop.S_ast_Type(ptr %a73)
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.S_gen_EnumDef(ptr %a17)
+  ret %S.gen.Val %t246
 }
 
 define internal { ptr, i64, i64 } @finch.gen.cExt(ptr %p0, %S.ast.Type %p1) {
@@ -63927,106 +75613,106 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4630, i64 4, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4803, i64 4, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br label %logic.from7123
-logic.from7123:
-  br i1 %t8, label %logic.end7125, label %logic.rhs7124
-logic.rhs7124:
+  br label %logic.from7501
+logic.from7501:
+  br i1 %t8, label %logic.end7503, label %logic.rhs7502
+logic.rhs7502:
   %t9 = load %S.ast.Type, ptr %a2
   %t10 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t9)
-  br label %logic.rend7126
-logic.rend7126:
-  br label %logic.end7125
-logic.end7125:
-  %t11 = phi i1 [ true, %logic.from7123 ], [ %t10, %logic.rend7126 ]
-  br i1 %t11, label %then7127, label %endif7129
-then7127:
+  br label %logic.rend7504
+logic.rend7504:
+  br label %logic.end7503
+logic.end7503:
+  %t11 = phi i1 [ true, %logic.from7501 ], [ %t10, %logic.rend7504 ]
+  br i1 %t11, label %then7505, label %endif7507
+then7505:
   %t12 = load %S.ast.Type, ptr %a2
   %t13 = call i64 @finch.gen.bitsOf(%S.ast.Type %t12)
   %t14 = icmp slt i64 %t13, 32
-  br i1 %t14, label %then7130, label %endif7132
-then7130:
-  ret { ptr, i64, i64 } { ptr @.str.4631, i64 8, i64 0 }
-endif7132:
-  br label %endif7129
-endif7129:
+  br i1 %t14, label %then7508, label %endif7510
+then7508:
+  ret { ptr, i64, i64 } { ptr @.str.4804, i64 8, i64 0 }
+endif7510:
+  br label %endif7507
+endif7507:
   %t15 = load %S.ast.Type, ptr %a2
   %t16 = call i1 @finch.gen.isSigned(%S.ast.Type %t15)
-  br label %logic.from7133
-logic.from7133:
-  br i1 %t16, label %logic.end7135, label %logic.rhs7134
-logic.rhs7134:
+  br label %logic.from7511
+logic.from7511:
+  br i1 %t16, label %logic.end7513, label %logic.rhs7512
+logic.rhs7512:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.4632, i64 4, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.4805, i64 4, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.from7136
-logic.from7136:
-  br i1 %t22, label %logic.rhs7137, label %logic.end7138
-logic.rhs7137:
+  br label %logic.from7514
+logic.from7514:
+  br i1 %t22, label %logic.rhs7515, label %logic.end7516
+logic.rhs7515:
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic7139, label %ok7140
-panic7139:
-  call void @finch_panic(ptr @.str.4633, i64 4123, ptr @.str.4634)
+  br i1 %t24, label %panic7517, label %ok7518
+panic7517:
+  call void @finch_panic(ptr @.str.4806, i64 4410, ptr @.str.4807)
   unreachable
-ok7140:
-  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 29
+ok7518:
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 30
   %t26 = load %S.platform.Target, ptr %t25
   %t27 = call i1 @finch.platform.charIsSigned(%S.platform.Target %t26)
-  br label %logic.rend7141
-logic.rend7141:
-  br label %logic.end7138
-logic.end7138:
-  %t28 = phi i1 [ false, %logic.from7136 ], [ %t27, %logic.rend7141 ]
-  br label %logic.rend7142
-logic.rend7142:
-  br label %logic.end7135
-logic.end7135:
-  %t29 = phi i1 [ true, %logic.from7133 ], [ %t28, %logic.rend7142 ]
-  br label %logic.from7143
-logic.from7143:
-  br i1 %t29, label %logic.rhs7144, label %logic.end7145
-logic.rhs7144:
+  br label %logic.rend7519
+logic.rend7519:
+  br label %logic.end7516
+logic.end7516:
+  %t28 = phi i1 [ false, %logic.from7514 ], [ %t27, %logic.rend7519 ]
+  br label %logic.rend7520
+logic.rend7520:
+  br label %logic.end7513
+logic.end7513:
+  %t29 = phi i1 [ true, %logic.from7511 ], [ %t28, %logic.rend7520 ]
+  br label %logic.from7521
+logic.from7521:
+  br i1 %t29, label %logic.rhs7522, label %logic.end7523
+logic.rhs7522:
   %t30 = load %S.ast.Type, ptr %a2
   %t31 = call i64 @finch.gen.bitsOf(%S.ast.Type %t30)
   %t32 = icmp slt i64 %t31, 32
-  br label %logic.rend7146
-logic.rend7146:
-  br label %logic.end7145
-logic.end7145:
-  %t33 = phi i1 [ false, %logic.from7143 ], [ %t32, %logic.rend7146 ]
-  br i1 %t33, label %then7147, label %endif7149
-then7147:
-  ret { ptr, i64, i64 } { ptr @.str.4635, i64 8, i64 0 }
-endif7149:
+  br label %logic.rend7524
+logic.rend7524:
+  br label %logic.end7523
+logic.end7523:
+  %t33 = phi i1 [ false, %logic.from7521 ], [ %t32, %logic.rend7524 ]
+  br i1 %t33, label %then7525, label %endif7527
+then7525:
+  ret { ptr, i64, i64 } { ptr @.str.4808, i64 8, i64 0 }
+endif7527:
   %t34 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t35 = load { ptr, i64, i64 }, ptr %t34
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.4636, i64 4, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.4809, i64 4, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.from7150
-logic.from7150:
-  br i1 %t39, label %logic.rhs7151, label %logic.end7152
-logic.rhs7151:
+  br label %logic.from7528
+logic.from7528:
+  br i1 %t39, label %logic.rhs7529, label %logic.end7530
+logic.rhs7529:
   %t40 = load %S.ast.Type, ptr %a2
   %t41 = call i64 @finch.gen.bitsOf(%S.ast.Type %t40)
   %t42 = icmp slt i64 %t41, 32
-  br label %logic.rend7153
-logic.rend7153:
-  br label %logic.end7152
-logic.end7152:
-  %t43 = phi i1 [ false, %logic.from7150 ], [ %t42, %logic.rend7153 ]
-  br i1 %t43, label %then7154, label %endif7156
-then7154:
-  ret { ptr, i64, i64 } { ptr @.str.4637, i64 8, i64 0 }
-endif7156:
-  ret { ptr, i64, i64 } { ptr @.str.4638, i64 0, i64 0 }
+  br label %logic.rend7531
+logic.rend7531:
+  br label %logic.end7530
+logic.end7530:
+  %t43 = phi i1 [ false, %logic.from7528 ], [ %t42, %logic.rend7531 ]
+  br i1 %t43, label %then7532, label %endif7534
+then7532:
+  ret { ptr, i64, i64 } { ptr @.str.4810, i64 8, i64 0 }
+endif7534:
+  ret { ptr, i64, i64 } { ptr @.str.4811, i64 0, i64 0 }
 }
 
 define internal { ptr, i64, i64 } @finch.gen.cLL(ptr %p0, %S.ast.Type %p1) {
@@ -64040,13 +75726,13 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4639, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4812, i64 3, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br i1 %t8, label %then7157, label %endif7159
-then7157:
-  ret { ptr, i64, i64 } { ptr @.str.4640, i64 3, i64 0 }
-endif7159:
+  br i1 %t8, label %then7535, label %endif7537
+then7535:
+  ret { ptr, i64, i64 } { ptr @.str.4813, i64 3, i64 0 }
+endif7537:
   %t9 = load ptr, ptr %a1
   %t10 = load %S.ast.Type, ptr %a2
   %t11 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t9, %S.ast.Type %t10)
@@ -64067,361 +75753,475 @@ entry:
   %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca i64, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca i64, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca %S.ast.Type, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca i64, align 16
-  %a208 = alloca %S.ast.Type, align 16
-  %a213 = alloca %S.ast.Type, align 16
-  %a221 = alloca %S.ast.Type, align 16
-  %a222 = alloca %S.ast.Type, align 16
-  %a234 = alloca %S.gen.Plan, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca i64, align 16
+  %a235 = alloca %S.ast.Type, align 16
+  %a240 = alloca %S.ast.Type, align 16
+  %a248 = alloca %S.ast.Type, align 16
+  %a249 = alloca %S.ast.Type, align 16
+  %a261 = alloca %S.gen.Plan, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca i64, align 16
-  %a300 = alloca %S.ast.Type, align 16
-  %a301 = alloca %S.ast.Type, align 16
-  %a303 = alloca %S.ast.Type, align 16
-  %a312 = alloca %S.gen.Abi, align 16
-  %a313 = alloca %S.gen.Abi, align 16
-  %a315 = alloca %S.gen.Abi, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca %S.gen.Val, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca i64, align 16
+  %a327 = alloca i64, align 16
+  %a342 = alloca %S.ast.Type, align 16
+  %a343 = alloca %S.ast.Type, align 16
+  %a345 = alloca %S.ast.Type, align 16
+  %a354 = alloca %S.gen.Abi, align 16
+  %a355 = alloca %S.gen.Abi, align 16
+  %a357 = alloca %S.gen.Abi, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca %S.gen.Val, align 16
+  %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca %S.gen.Val, align 16
+  %a406 = alloca %S.gen.Val, align 16
+  %a407 = alloca %S.gen.Val, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
   %a446 = alloca { ptr, i64, i64 }, align 16
   %a447 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
   %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
+  %a459 = alloca { ptr, i64, i64 }, align 16
   %a462 = alloca { ptr, i64, i64 }, align 16
-  %a473 = alloca i64, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a501 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
   %a515 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
-  %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a541 = alloca i64, align 16
   %a555 = alloca { ptr, i64, i64 }, align 16
-  %a563 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a568 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
   %a572 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a574 = alloca { ptr, i64, i64 }, align 16
-  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
   %a588 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
-  %a591 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
-  %a593 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a598 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca %S.gen.Val, align 16
-  %a618 = alloca %S.ast.Type, align 16
-  %a619 = alloca %S.ast.Type, align 16
-  %a621 = alloca %S.ast.Type, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a610 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a629 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
   %a639 = alloca { ptr, i64, i64 }, align 16
   %a640 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a661 = alloca { ptr, i64, i64 }, align 16
-  %a662 = alloca { ptr, i64, i64 }, align 16
+  %a648 = alloca { ptr, i64, i64 }, align 16
+  %a649 = alloca { ptr, i64, i64 }, align 16
+  %a650 = alloca { ptr, i64, i64 }, align 16
+  %a651 = alloca { ptr, i64, i64 }, align 16
   %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
   %a667 = alloca { ptr, i64, i64 }, align 16
   %a668 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
   %a679 = alloca { ptr, i64, i64 }, align 16
   %a680 = alloca { ptr, i64, i64 }, align 16
-  %a689 = alloca { ptr, i64, i64 }, align 16
-  %a690 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a701 = alloca { ptr, i64, i64 }, align 16
-  %a702 = alloca { ptr, i64, i64 }, align 16
-  %a710 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca %S.gen.Val, align 16
+  %a699 = alloca %S.ast.Type, align 16
+  %a700 = alloca %S.ast.Type, align 16
+  %a702 = alloca %S.ast.Type, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca %S.gen.Val, align 16
+  %a721 = alloca %S.gen.Val, align 16
   %a731 = alloca { ptr, i64, i64 }, align 16
-  %a734 = alloca { ptr, i64, i64 }, align 16
-  %a735 = alloca { ptr, i64, i64 }, align 16
-  %a736 = alloca { ptr, i64, i64 }, align 16
-  %a746 = alloca { ptr, i64, i64 }, align 16
-  %a747 = alloca { ptr, i64, i64 }, align 16
-  %a749 = alloca { ptr, i64, i64 }, align 16
-  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a732 = alloca { ptr, i64, i64 }, align 16
+  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
   %a754 = alloca { ptr, i64, i64 }, align 16
-  %a755 = alloca { ptr, i64, i64 }, align 16
-  %a761 = alloca { ptr, i64, i64 }, align 16
-  %a773 = alloca { ptr, i64, i64 }, align 16
-  %a774 = alloca { ptr, i64, i64 }, align 16
-  %a775 = alloca { ptr, i64, i64 }, align 16
-  %a777 = alloca i64, align 16
-  %a780 = alloca i64, align 16
-  %a785 = alloca { ptr, i64, i64 }, align 16
-  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca %S.ast.Type, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca %S.ast.Type, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a777 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca %S.ast.Type, align 16
+  %a790 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
   %a799 = alloca { ptr, i64, i64 }, align 16
-  %a800 = alloca { ptr, i64, i64 }, align 16
   %a801 = alloca { ptr, i64, i64 }, align 16
-  %a816 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a812 = alloca %S.ast.Type, align 16
   %a817 = alloca { ptr, i64, i64 }, align 16
   %a818 = alloca { ptr, i64, i64 }, align 16
-  %a820 = alloca { ptr, i64, i64 }, align 16
-  %a821 = alloca { ptr, i64, i64 }, align 16
-  %a822 = alloca { ptr, i64, i64 }, align 16
-  %a825 = alloca { ptr, i64, i64 }, align 16
-  %a826 = alloca { ptr, i64, i64 }, align 16
-  %a827 = alloca { ptr, i64, i64 }, align 16
-  %a829 = alloca { ptr, i64, i64 }, align 16
-  %a830 = alloca { ptr, i64, i64 }, align 16
-  %a831 = alloca { ptr, i64, i64 }, align 16
-  %a835 = alloca { ptr, i64, i64 }, align 16
-  %a836 = alloca { ptr, i64, i64 }, align 16
-  %a837 = alloca { ptr, i64, i64 }, align 16
-  %a839 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
+  %a831 = alloca %S.ast.Type, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a836 = alloca %S.ast.Type, align 16
   %a841 = alloca { ptr, i64, i64 }, align 16
+  %a842 = alloca { ptr, i64, i64 }, align 16
+  %a843 = alloca { ptr, i64, i64 }, align 16
   %a844 = alloca { ptr, i64, i64 }, align 16
-  %a845 = alloca { ptr, i64, i64 }, align 16
   %a847 = alloca { ptr, i64, i64 }, align 16
   %a848 = alloca { ptr, i64, i64 }, align 16
   %a849 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca { ptr, i64, i64 }, align 16
-  %a853 = alloca { ptr, i64, i64 }, align 16
-  %a854 = alloca { ptr, i64, i64 }, align 16
-  %a856 = alloca { ptr, i64, i64 }, align 16
-  %a857 = alloca { ptr, i64, i64 }, align 16
-  %a858 = alloca { ptr, i64, i64 }, align 16
+  %a850 = alloca { ptr, i64, i64 }, align 16
+  %a860 = alloca { ptr, i64, i64 }, align 16
+  %a861 = alloca { ptr, i64, i64 }, align 16
+  %a863 = alloca { ptr, i64, i64 }, align 16
   %a864 = alloca { ptr, i64, i64 }, align 16
   %a868 = alloca { ptr, i64, i64 }, align 16
   %a869 = alloca { ptr, i64, i64 }, align 16
-  %a871 = alloca { ptr, i64, i64 }, align 16
-  %a872 = alloca { ptr, i64, i64 }, align 16
-  %a873 = alloca { ptr, i64, i64 }, align 16
   %a876 = alloca { ptr, i64, i64 }, align 16
   %a877 = alloca { ptr, i64, i64 }, align 16
-  %a878 = alloca { ptr, i64, i64 }, align 16
-  %a880 = alloca { ptr, i64, i64 }, align 16
   %a881 = alloca { ptr, i64, i64 }, align 16
-  %a882 = alloca { ptr, i64, i64 }, align 16
-  %a885 = alloca { ptr, i64, i64 }, align 16
   %a886 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
-  %a889 = alloca { ptr, i64, i64 }, align 16
-  %a890 = alloca { ptr, i64, i64 }, align 16
-  %a891 = alloca { ptr, i64, i64 }, align 16
+  %a893 = alloca { ptr, i64, i64 }, align 16
   %a894 = alloca { ptr, i64, i64 }, align 16
   %a895 = alloca { ptr, i64, i64 }, align 16
-  %a896 = alloca { ptr, i64, i64 }, align 16
-  %a899 = alloca { ptr, i64, i64 }, align 16
-  %a900 = alloca { ptr, i64, i64 }, align 16
-  %a901 = alloca { ptr, i64, i64 }, align 16
-  %a903 = alloca { ptr, i64, i64 }, align 16
-  %a904 = alloca { ptr, i64, i64 }, align 16
+  %a897 = alloca i64, align 16
+  %a900 = alloca i64, align 16
   %a905 = alloca { ptr, i64, i64 }, align 16
-  %a909 = alloca { ptr, i64, i64 }, align 16
+  %a906 = alloca { ptr, i64, i64 }, align 16
   %a910 = alloca { ptr, i64, i64 }, align 16
-  %a911 = alloca { ptr, i64, i64 }, align 16
-  %a913 = alloca { ptr, i64, i64 }, align 16
-  %a914 = alloca { ptr, i64, i64 }, align 16
-  %a915 = alloca { ptr, i64, i64 }, align 16
-  %a918 = alloca { ptr, i64, i64 }, align 16
-  %a919 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
   %a921 = alloca { ptr, i64, i64 }, align 16
   %a922 = alloca { ptr, i64, i64 }, align 16
-  %a923 = alloca { ptr, i64, i64 }, align 16
-  %a925 = alloca { ptr, i64, i64 }, align 16
-  %a926 = alloca { ptr, i64, i64 }, align 16
-  %a927 = alloca { ptr, i64, i64 }, align 16
-  %a929 = alloca { ptr, i64, i64 }, align 16
-  %a932 = alloca { ptr, i64, i64 }, align 16
-  %a933 = alloca { ptr, i64, i64 }, align 16
-  %a939 = alloca %S.ast.Type, align 16
-  %a940 = alloca %S.ast.Type, align 16
-  %a955 = alloca %S.ast.Type, align 16
-  %a956 = alloca %S.ast.Type, align 16
+  %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a939 = alloca { ptr, i64, i64 }, align 16
+  %a941 = alloca { ptr, i64, i64 }, align 16
+  %a942 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
+  %a944 = alloca { ptr, i64, i64 }, align 16
+  %a947 = alloca { ptr, i64, i64 }, align 16
+  %a948 = alloca { ptr, i64, i64 }, align 16
+  %a949 = alloca { ptr, i64, i64 }, align 16
+  %a950 = alloca { ptr, i64, i64 }, align 16
+  %a952 = alloca { ptr, i64, i64 }, align 16
+  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a955 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
+  %a960 = alloca { ptr, i64, i64 }, align 16
+  %a961 = alloca { ptr, i64, i64 }, align 16
   %a962 = alloca { ptr, i64, i64 }, align 16
+  %a964 = alloca { ptr, i64, i64 }, align 16
+  %a965 = alloca { ptr, i64, i64 }, align 16
   %a966 = alloca { ptr, i64, i64 }, align 16
   %a967 = alloca { ptr, i64, i64 }, align 16
-  %a972 = alloca { ptr, i64, i64 }, align 16
-  %a987 = alloca %S.ast.Type, align 16
-  %a988 = alloca %S.ast.Type, align 16
-  %a993 = alloca { ptr, i64, i64 }, align 16
+  %a970 = alloca { ptr, i64, i64 }, align 16
+  %a971 = alloca { ptr, i64, i64 }, align 16
+  %a973 = alloca { ptr, i64, i64 }, align 16
+  %a974 = alloca { ptr, i64, i64 }, align 16
+  %a975 = alloca { ptr, i64, i64 }, align 16
+  %a976 = alloca { ptr, i64, i64 }, align 16
+  %a977 = alloca { ptr, i64, i64 }, align 16
+  %a980 = alloca { ptr, i64, i64 }, align 16
+  %a981 = alloca { ptr, i64, i64 }, align 16
+  %a982 = alloca { ptr, i64, i64 }, align 16
+  %a983 = alloca { ptr, i64, i64 }, align 16
+  %a985 = alloca { ptr, i64, i64 }, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
+  %a988 = alloca { ptr, i64, i64 }, align 16
   %a994 = alloca { ptr, i64, i64 }, align 16
+  %a998 = alloca { ptr, i64, i64 }, align 16
   %a999 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca { ptr, i64, i64 }, align 16
+  %a1002 = alloca { ptr, i64, i64 }, align 16
+  %a1003 = alloca { ptr, i64, i64 }, align 16
   %a1004 = alloca { ptr, i64, i64 }, align 16
-  %a1005 = alloca { ptr, i64, i64 }, align 16
-  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a1007 = alloca { ptr, i64, i64 }, align 16
   %a1008 = alloca { ptr, i64, i64 }, align 16
   %a1009 = alloca { ptr, i64, i64 }, align 16
   %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
   %a1013 = alloca { ptr, i64, i64 }, align 16
   %a1014 = alloca { ptr, i64, i64 }, align 16
   %a1015 = alloca { ptr, i64, i64 }, align 16
-  %a1017 = alloca { ptr, i64, i64 }, align 16
   %a1018 = alloca { ptr, i64, i64 }, align 16
-  %a1019 = alloca { ptr, i64, i64 }, align 16
-  %a1026 = alloca %S.ast.Type, align 16
-  %a1027 = alloca %S.ast.Type, align 16
+  %a1020 = alloca { ptr, i64, i64 }, align 16
+  %a1021 = alloca { ptr, i64, i64 }, align 16
+  %a1022 = alloca { ptr, i64, i64 }, align 16
+  %a1024 = alloca { ptr, i64, i64 }, align 16
+  %a1025 = alloca { ptr, i64, i64 }, align 16
+  %a1026 = alloca { ptr, i64, i64 }, align 16
+  %a1027 = alloca { ptr, i64, i64 }, align 16
+  %a1030 = alloca { ptr, i64, i64 }, align 16
   %a1031 = alloca { ptr, i64, i64 }, align 16
   %a1032 = alloca { ptr, i64, i64 }, align 16
-  %a1036 = alloca %S.ast.Type, align 16
-  %a1037 = alloca %S.ast.Type, align 16
+  %a1033 = alloca { ptr, i64, i64 }, align 16
+  %a1036 = alloca { ptr, i64, i64 }, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
+  %a1038 = alloca { ptr, i64, i64 }, align 16
+  %a1039 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
+  %a1042 = alloca { ptr, i64, i64 }, align 16
+  %a1043 = alloca { ptr, i64, i64 }, align 16
+  %a1044 = alloca { ptr, i64, i64 }, align 16
+  %a1048 = alloca { ptr, i64, i64 }, align 16
+  %a1049 = alloca { ptr, i64, i64 }, align 16
+  %a1050 = alloca { ptr, i64, i64 }, align 16
+  %a1051 = alloca { ptr, i64, i64 }, align 16
+  %a1053 = alloca { ptr, i64, i64 }, align 16
+  %a1054 = alloca { ptr, i64, i64 }, align 16
+  %a1055 = alloca { ptr, i64, i64 }, align 16
+  %a1056 = alloca { ptr, i64, i64 }, align 16
+  %a1059 = alloca { ptr, i64, i64 }, align 16
+  %a1060 = alloca { ptr, i64, i64 }, align 16
+  %a1062 = alloca { ptr, i64, i64 }, align 16
+  %a1063 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
+  %a1065 = alloca { ptr, i64, i64 }, align 16
+  %a1066 = alloca { ptr, i64, i64 }, align 16
+  %a1068 = alloca { ptr, i64, i64 }, align 16
+  %a1069 = alloca { ptr, i64, i64 }, align 16
+  %a1070 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca { ptr, i64, i64 }, align 16
+  %a1073 = alloca { ptr, i64, i64 }, align 16
+  %a1076 = alloca { ptr, i64, i64 }, align 16
+  %a1077 = alloca { ptr, i64, i64 }, align 16
+  %a1086 = alloca %S.ast.Type, align 16
+  %a1087 = alloca %S.ast.Type, align 16
+  %a1103 = alloca { ptr, i64, i64 }, align 16
+  %a1106 = alloca %S.ast.Type, align 16
+  %a1107 = alloca %S.ast.Type, align 16
+  %a1113 = alloca { ptr, i64, i64 }, align 16
+  %a1120 = alloca { ptr, i64, i64 }, align 16
+  %a1121 = alloca { ptr, i64, i64 }, align 16
+  %a1126 = alloca { ptr, i64, i64 }, align 16
+  %a1139 = alloca { ptr, i64, i64 }, align 16
+  %a1142 = alloca %S.ast.Type, align 16
+  %a1143 = alloca %S.ast.Type, align 16
+  %a1148 = alloca { ptr, i64, i64 }, align 16
+  %a1149 = alloca { ptr, i64, i64 }, align 16
+  %a1154 = alloca { ptr, i64, i64 }, align 16
+  %a1159 = alloca { ptr, i64, i64 }, align 16
+  %a1160 = alloca { ptr, i64, i64 }, align 16
+  %a1161 = alloca { ptr, i64, i64 }, align 16
+  %a1163 = alloca { ptr, i64, i64 }, align 16
+  %a1164 = alloca { ptr, i64, i64 }, align 16
+  %a1165 = alloca { ptr, i64, i64 }, align 16
+  %a1166 = alloca { ptr, i64, i64 }, align 16
+  %a1169 = alloca { ptr, i64, i64 }, align 16
+  %a1170 = alloca { ptr, i64, i64 }, align 16
+  %a1171 = alloca { ptr, i64, i64 }, align 16
+  %a1172 = alloca { ptr, i64, i64 }, align 16
+  %a1174 = alloca { ptr, i64, i64 }, align 16
+  %a1175 = alloca { ptr, i64, i64 }, align 16
+  %a1176 = alloca { ptr, i64, i64 }, align 16
+  %a1177 = alloca { ptr, i64, i64 }, align 16
+  %a1179 = alloca { ptr, i64, i64 }, align 16
+  %a1185 = alloca %S.ast.Type, align 16
+  %a1186 = alloca %S.ast.Type, align 16
+  %a1190 = alloca { ptr, i64, i64 }, align 16
+  %a1191 = alloca { ptr, i64, i64 }, align 16
+  %a1195 = alloca %S.ast.Type, align 16
+  %a1196 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.cimport.CFunc %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic7160, label %ok7161
-panic7160:
-  call void @finch_panic(ptr @.str.4641, i64 4140, ptr @.str.4642)
+  br i1 %t5, label %panic7538, label %ok7539
+panic7538:
+  call void @finch_panic(ptr @.str.4814, i64 4427, ptr @.str.4815)
   unreachable
-ok7161:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok7539:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
-  br i1 %t7, label %then7162, label %endif7164
-then7162:
+  br i1 %t7, label %then7540, label %endif7542
+then7540:
   store { ptr, i64, i64 } zeroinitializer, ptr %a8
   %t9 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
   store i64 0, ptr %a10
-  br label %each.cond7165
-each.cond7165:
+  br label %each.cond7543
+each.cond7543:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = load i64, ptr %a10
   %t14 = icmp slt i64 %t13, %t12
-  br i1 %t14, label %each.body7166, label %each.end7168
-each.body7166:
+  br i1 %t14, label %each.body7544, label %each.end7546
+each.body7544:
   %t15 = load ptr, ptr %t9
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 %t13
   %t17 = load %S.ast.Type, ptr %t16
@@ -64436,27 +76236,27 @@ each.body7166:
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t24, i64 %t22
   store { ptr, i64, i64 } %t21, ptr %t25
   store i64 %t23, ptr %t19
-  br label %each.step7167
-each.step7167:
+  br label %each.step7545
+each.step7545:
   %t26 = load i64, ptr %a10
   %t27 = add i64 %t26, 1
   store i64 %t27, ptr %a10
-  br label %each.cond7165
-each.end7168:
+  br label %each.cond7543
+each.end7546:
   %t28 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
   %t29 = load i1, ptr %t28
-  br i1 %t29, label %then7169, label %endif7171
-then7169:
+  br i1 %t29, label %then7547, label %endif7549
+then7547:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = add i64 %t31, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t32, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t33 = load ptr, ptr %a8
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
-  store { ptr, i64, i64 } { ptr @.str.4643, i64 3, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.4816, i64 3, i64 0 }, ptr %t34
   store i64 %t32, ptr %t30
-  br label %endif7171
-endif7171:
+  br label %endif7549
+endif7549:
   %t35 = load ptr, ptr %a1
   %t36 = load %S.ast.Node, ptr %a2
   %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
@@ -64466,1327 +76266,1727 @@ endif7171:
   %t41 = load i64, ptr %t40
   %t42 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 1
   %t43 = load { ptr, i64, i64 }, ptr %t42
-  store { ptr, i64, i64 } { ptr @.str.4644, i64 17, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.4817, i64 17, i64 0 }, ptr %a45
   store { ptr, i64, i64 } %t43, ptr %a46
   call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
   %t47 = load { ptr, i64, i64 }, ptr %a44
   store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.4645, i64 7, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.4818, i64 7, i64 0 }, ptr %a50
   call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
-  %t53 = load %S.ast.Type, ptr %t52
-  %t54 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t53)
-  store { ptr, i64, i64 } %t51, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.4646, i64 1, i64 0 }, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t64 = load { ptr, i64, i64 }, ptr %t63
-  store { ptr, i64, i64 } %t62, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.4647, i64 1, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
+  %t54 = load %S.ast.Type, ptr %t53
+  %t55 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t54)
+  store { ptr, i64, i64 } %t52, ptr %a57
+  store { ptr, i64, i64 } %t55, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t52, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.4819, i64 1, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  store { ptr, i64, i64 } %t66, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
   call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4648, i64 2, i64 0 }, ptr %a74
-  call void @finch_str_join(ptr %a75, ptr %a8, ptr %a74)
-  %t76 = load { ptr, i64, i64 }, ptr %a75
-  store { ptr, i64, i64 } %t72, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } %t80, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.4649, i64 5, i64 0 }, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.noteRef(ptr %t35, %S.ast.Node %t36, i64 %t38, i64 %t41, { ptr, i64, i64 } %t84, { ptr, i64, i64 } { ptr @.str.4650, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif7164
-endif7164:
-  %t85 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
-  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
-  %t87 = load i64, ptr %t86
-  %t88 = icmp sgt i64 %t87, 0
-  br i1 %t88, label %then7172, label %endif7174
-then7172:
-  %t89 = load ptr, ptr %a1
-  %t90 = load %S.ast.Node, ptr %a2
-  %t91 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t92 = load { ptr, i64, i64 }, ptr %t91
-  store { ptr, i64, i64 } { ptr @.str.4651, i64 16, i64 0 }, ptr %a94
-  store { ptr, i64, i64 } %t92, ptr %a95
-  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
-  %t96 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.4652, i64 35, i64 0 }, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
+  store { ptr, i64, i64 } %t66, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t73, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.4820, i64 1, i64 0 }, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4821, i64 2, i64 0 }, ptr %a80
+  call void @finch_str_join(ptr %a81, ptr %a8, ptr %a80)
+  %t82 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t78, ptr %a84
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t78, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.4822, i64 5, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.noteRef(ptr %t35, %S.ast.Node %t36, i64 %t38, i64 %t41, { ptr, i64, i64 } %t93, { ptr, i64, i64 } { ptr @.str.4823, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  call void @finch.drop.arr_str(ptr %a8)
+  br label %endif7542
+endif7542:
+  %t95 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i32 0, i32 1
+  %t97 = load i64, ptr %t96
+  %t98 = icmp sgt i64 %t97, 0
+  br i1 %t98, label %then7550, label %endif7552
+then7550:
+  %t99 = load ptr, ptr %a1
+  %t100 = load %S.ast.Node, ptr %a2
+  %t101 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
   %t102 = load { ptr, i64, i64 }, ptr %t101
-  store { ptr, i64, i64 } %t100, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.4824, i64 16, i64 0 }, ptr %a104
   store { ptr, i64, i64 } %t102, ptr %a105
   call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
   %t106 = load { ptr, i64, i64 }, ptr %a103
-  call void @finch.gen.fail(ptr %t89, %S.ast.Node %t90, { ptr, i64, i64 } %t106)
-  br label %endif7174
-endif7174:
-  %t107 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %t107, i32 0, i32 1
-  %t109 = load i64, ptr %t108
-  store i64 %t109, ptr %a110
-  %t111 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
-  %t112 = load i1, ptr %t111
-  br i1 %t112, label %then7175, label %else7176
-then7175:
-  %t113 = load i64, ptr %a110
-  %t114 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
-  %t116 = load i64, ptr %t115
-  %t117 = icmp slt i64 %t113, %t116
-  br i1 %t117, label %then7178, label %endif7180
-then7178:
-  %t118 = load ptr, ptr %a1
-  %t119 = load %S.ast.Node, ptr %a2
-  %t120 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t121 = load { ptr, i64, i64 }, ptr %t120
-  store { ptr, i64, i64 } { ptr @.str.4653, i64 1, i64 0 }, ptr %a123
-  store { ptr, i64, i64 } %t121, ptr %a124
-  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
-  %t125 = load { ptr, i64, i64 }, ptr %a122
-  store { ptr, i64, i64 } %t125, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.4654, i64 17, i64 0 }, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  call void @finch_str_from_int(ptr %a133, i64 %t132)
-  %t134 = load { ptr, i64, i64 }, ptr %a133
-  store { ptr, i64, i64 } %t129, ptr %a136
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.4825, i64 35, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
+  %t113 = load { ptr, i64, i64 }, ptr %t112
+  store { ptr, i64, i64 } %t111, ptr %a115
+  store { ptr, i64, i64 } %t113, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t111, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a114
+  call void @finch.gen.fail(ptr %t99, %S.ast.Node %t100, { ptr, i64, i64 } %t118)
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  br label %endif7552
+endif7552:
+  %t120 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t121 = getelementptr inbounds { ptr, i64, i64 }, ptr %t120, i32 0, i32 1
+  %t122 = load i64, ptr %t121
+  store i64 %t122, ptr %a123
+  %t124 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
+  %t125 = load i1, ptr %t124
+  br i1 %t125, label %then7553, label %else7554
+then7553:
+  %t126 = load i64, ptr %a123
+  %t127 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i32 0, i32 1
+  %t129 = load i64, ptr %t128
+  %t130 = icmp slt i64 %t126, %t129
+  br i1 %t130, label %then7556, label %endif7558
+then7556:
+  %t131 = load ptr, ptr %a1
+  %t132 = load %S.ast.Node, ptr %a2
+  %t133 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t134 = load { ptr, i64, i64 }, ptr %t133
+  store { ptr, i64, i64 } { ptr @.str.4826, i64 1, i64 0 }, ptr %a136
   store { ptr, i64, i64 } %t134, ptr %a137
   call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
   %t138 = load { ptr, i64, i64 }, ptr %a135
   store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.4655, i64 22, i64 0 }, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.4827, i64 17, i64 0 }, ptr %a141
   call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load i64, ptr %a110
-  call void @finch_str_from_int(ptr %a144, i64 %t143)
-  %t145 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t142, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  call void @finch.gen.fail(ptr %t118, %S.ast.Node %t119, { ptr, i64, i64 } %t149)
-  br label %endif7180
-endif7180:
-  br label %endif7177
-else7176:
-  %t150 = load i64, ptr %a110
-  %t151 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
-  %t153 = load i64, ptr %t152
-  %t154 = icmp ne i64 %t150, %t153
-  br i1 %t154, label %then7181, label %endif7183
-then7181:
-  %t155 = load ptr, ptr %a1
-  %t156 = load %S.ast.Node, ptr %a2
-  %t157 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t158 = load { ptr, i64, i64 }, ptr %t157
-  store { ptr, i64, i64 } { ptr @.str.4656, i64 1, i64 0 }, ptr %a160
-  store { ptr, i64, i64 } %t158, ptr %a161
-  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  store { ptr, i64, i64 } %t162, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.4657, i64 8, i64 0 }, ptr %a165
+  store { ptr, i64, i64 } %t138, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a139
+  %t144 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
+  %t146 = load i64, ptr %t145
+  call void @finch_str_from_int(ptr %a147, i64 %t146)
+  %t148 = load { ptr, i64, i64 }, ptr %a147
+  store { ptr, i64, i64 } %t143, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  store { ptr, i64, i64 } %t143, ptr %a152
+  call void @finch_str_drop(ptr %a152)
+  store { ptr, i64, i64 } %t148, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t154, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.4828, i64 22, i64 0 }, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t154, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load { ptr, i64, i64 }, ptr %a155
+  %t160 = load i64, ptr %a123
+  call void @finch_str_from_int(ptr %a161, i64 %t160)
+  %t162 = load { ptr, i64, i64 }, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
   call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  %t167 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
-  %t169 = load i64, ptr %t168
-  call void @finch_str_from_int(ptr %a170, i64 %t169)
-  %t171 = load { ptr, i64, i64 }, ptr %a170
-  store { ptr, i64, i64 } %t166, ptr %a173
-  store { ptr, i64, i64 } %t171, ptr %a174
-  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
-  %t175 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.4658, i64 22, i64 0 }, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load i64, ptr %a110
-  call void @finch_str_from_int(ptr %a181, i64 %t180)
-  %t182 = load { ptr, i64, i64 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a184
-  store { ptr, i64, i64 } %t182, ptr %a185
+  store { ptr, i64, i64 } %t159, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  store { ptr, i64, i64 } %t162, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a163
+  call void @finch.gen.fail(ptr %t131, %S.ast.Node %t132, { ptr, i64, i64 } %t168)
+  store { ptr, i64, i64 } %t168, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  br label %endif7558
+endif7558:
+  br label %endif7555
+else7554:
+  %t170 = load i64, ptr %a123
+  %t171 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %t171, i32 0, i32 1
+  %t173 = load i64, ptr %t172
+  %t174 = icmp ne i64 %t170, %t173
+  br i1 %t174, label %then7559, label %endif7561
+then7559:
+  %t175 = load ptr, ptr %a1
+  %t176 = load %S.ast.Node, ptr %a2
+  %t177 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t178 = load { ptr, i64, i64 }, ptr %t177
+  store { ptr, i64, i64 } { ptr @.str.4829, i64 1, i64 0 }, ptr %a180
+  store { ptr, i64, i64 } %t178, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.4830, i64 8, i64 0 }, ptr %a185
   call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.fail(ptr %t155, %S.ast.Node %t156, { ptr, i64, i64 } %t186)
-  br label %endif7183
-endif7183:
-  br label %endif7177
-endif7177:
-  %t187 = load ptr, ptr %a1
-  %t188 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
-  %t189 = load %S.ast.Type, ptr %t188
-  %t190 = load %S.ast.Node, ptr %a2
-  %t191 = call %S.ast.Type @finch.gen.resolve(ptr %t187, %S.ast.Type %t189, %S.ast.Node %t190)
-  store %S.ast.Type %t191, ptr %a192
-  %t193 = load ptr, ptr %a1
-  %t194 = load %S.ast.Node, ptr %a2
-  %t195 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t196 = load { ptr, i64, i64 }, ptr %t195
-  %t197 = load %S.ast.Type, ptr %a192
-  call void @finch.gen.checkByValue(ptr %t193, %S.ast.Node %t194, { ptr, i64, i64 } %t196, %S.ast.Type %t197, { ptr, i64, i64 } { ptr @.str.4659, i64 7, i64 0 })
-  store { ptr, i64, i64 } zeroinitializer, ptr %a198
-  %t199 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  store i64 0, ptr %a200
-  br label %each.cond7184
-each.cond7184:
-  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i32 0, i32 1
-  %t202 = load i64, ptr %t201
-  %t203 = load i64, ptr %a200
-  %t204 = icmp slt i64 %t203, %t202
-  br i1 %t204, label %each.body7185, label %each.end7187
-each.body7185:
-  %t205 = load ptr, ptr %t199
-  %t206 = getelementptr inbounds %S.ast.Type, ptr %t205, i64 %t203
-  %t207 = load %S.ast.Type, ptr %t206
-  store %S.ast.Type %t207, ptr %a208
-  %t209 = load ptr, ptr %a1
-  %t210 = load %S.ast.Type, ptr %a208
-  %t211 = load %S.ast.Node, ptr %a2
-  %t212 = call %S.ast.Type @finch.gen.resolve(ptr %t209, %S.ast.Type %t210, %S.ast.Node %t211)
-  store %S.ast.Type %t212, ptr %a213
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i32 0, i32 1
+  %t190 = load i64, ptr %t189
+  call void @finch_str_from_int(ptr %a191, i64 %t190)
+  %t192 = load { ptr, i64, i64 }, ptr %a191
+  store { ptr, i64, i64 } %t187, ptr %a194
+  store { ptr, i64, i64 } %t192, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  store { ptr, i64, i64 } %t187, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  store { ptr, i64, i64 } %t192, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t198, ptr %a200
+  store { ptr, i64, i64 } { ptr @.str.4831, i64 22, i64 0 }, ptr %a201
+  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
+  store { ptr, i64, i64 } %t198, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a199
+  %t204 = load i64, ptr %a123
+  call void @finch_str_from_int(ptr %a205, i64 %t204)
+  %t206 = load { ptr, i64, i64 }, ptr %a205
+  store { ptr, i64, i64 } %t203, ptr %a208
+  store { ptr, i64, i64 } %t206, ptr %a209
+  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
+  store { ptr, i64, i64 } %t203, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  store { ptr, i64, i64 } %t206, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load { ptr, i64, i64 }, ptr %a207
+  call void @finch.gen.fail(ptr %t175, %S.ast.Node %t176, { ptr, i64, i64 } %t212)
+  store { ptr, i64, i64 } %t212, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %endif7561
+endif7561:
+  br label %endif7555
+endif7555:
   %t214 = load ptr, ptr %a1
-  %t215 = load %S.ast.Node, ptr %a2
-  %t216 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  %t218 = load %S.ast.Type, ptr %a213
-  call void @finch.gen.checkByValue(ptr %t214, %S.ast.Node %t215, { ptr, i64, i64 } %t217, %S.ast.Type %t218, { ptr, i64, i64 } { ptr @.str.4660, i64 5, i64 0 })
-  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %a198, i32 0, i32 1
-  %t220 = load %S.ast.Type, ptr %a213
-  store %S.ast.Type %t220, ptr %a221
-  call void @finch.copy.S_ast_Type(ptr %a222, ptr %a221)
-  %t223 = load %S.ast.Type, ptr %a222
-  %t224 = load i64, ptr %t219
-  %t225 = add i64 %t224, 1
-  call void @finch_arr_reserve(ptr %a198, i64 %t225, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t226 = load ptr, ptr %a198
-  %t227 = getelementptr inbounds %S.ast.Type, ptr %t226, i64 %t224
-  store %S.ast.Type %t223, ptr %t227
-  store i64 %t225, ptr %t219
-  br label %each.step7186
-each.step7186:
-  %t228 = load i64, ptr %a200
-  %t229 = add i64 %t228, 1
-  store i64 %t229, ptr %a200
-  br label %each.cond7184
-each.end7187:
-  %t230 = load ptr, ptr %a1
-  %t231 = load %S.ast.Type, ptr %a192
-  %t232 = load { ptr, i64, i64 }, ptr %a198
-  %t233 = call %S.gen.Plan @finch.gen.makePlan(ptr %t230, %S.ast.Type %t231, { ptr, i64, i64 } %t232)
-  store %S.gen.Plan %t233, ptr %a234
-  store { ptr, i64, i64 } zeroinitializer, ptr %a235
-  store { ptr, i64, i64 } zeroinitializer, ptr %a236
-  store { ptr, i64, i64 } { ptr @.str.4661, i64 0, i64 0 }, ptr %a237
-  %t238 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 3
-  %t239 = load i1, ptr %t238
-  br i1 %t239, label %then7188, label %endif7190
-then7188:
-  %t240 = load ptr, ptr %a1
+  %t215 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
+  %t216 = load %S.ast.Type, ptr %t215
+  %t217 = load %S.ast.Node, ptr %a2
+  %t218 = call %S.ast.Type @finch.gen.resolve(ptr %t214, %S.ast.Type %t216, %S.ast.Node %t217)
+  store %S.ast.Type %t218, ptr %a219
+  %t220 = load ptr, ptr %a1
+  %t221 = load %S.ast.Node, ptr %a2
+  %t222 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t223 = load { ptr, i64, i64 }, ptr %t222
+  %t224 = load %S.ast.Type, ptr %a219
+  call void @finch.gen.checkByValue(ptr %t220, %S.ast.Node %t221, { ptr, i64, i64 } %t223, %S.ast.Type %t224, { ptr, i64, i64 } { ptr @.str.4832, i64 7, i64 0 })
+  store { ptr, i64, i64 } zeroinitializer, ptr %a225
+  %t226 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  store i64 0, ptr %a227
+  br label %each.cond7562
+each.cond7562:
+  %t228 = getelementptr inbounds { ptr, i64, i64 }, ptr %t226, i32 0, i32 1
+  %t229 = load i64, ptr %t228
+  %t230 = load i64, ptr %a227
+  %t231 = icmp slt i64 %t230, %t229
+  br i1 %t231, label %each.body7563, label %each.end7565
+each.body7563:
+  %t232 = load ptr, ptr %t226
+  %t233 = getelementptr inbounds %S.ast.Type, ptr %t232, i64 %t230
+  %t234 = load %S.ast.Type, ptr %t233
+  store %S.ast.Type %t234, ptr %a235
+  %t236 = load ptr, ptr %a1
+  %t237 = load %S.ast.Type, ptr %a235
+  %t238 = load %S.ast.Node, ptr %a2
+  %t239 = call %S.ast.Type @finch.gen.resolve(ptr %t236, %S.ast.Type %t237, %S.ast.Node %t238)
+  store %S.ast.Type %t239, ptr %a240
   %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Type, ptr %a192
-  %t243 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t241, %S.ast.Type %t242)
-  %t244 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t240, { ptr, i64, i64 } %t243)
-  store { ptr, i64, i64 } %t244, ptr %a237
-  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t246 = load ptr, ptr %a1
-  %t247 = load %S.ast.Type, ptr %a192
-  %t248 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t246, %S.ast.Type %t247)
-  store { ptr, i64, i64 } { ptr @.str.4662, i64 9, i64 0 }, ptr %a250
-  store { ptr, i64, i64 } %t248, ptr %a251
-  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t252, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.4663, i64 10, i64 0 }, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  %t257 = load i64, ptr %t245
-  %t258 = add i64 %t257, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t258, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t259 = load ptr, ptr %a235
-  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i64 %t257
-  store { ptr, i64, i64 } %t256, ptr %t260
-  store i64 %t258, ptr %t245
-  %t261 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t262 = load ptr, ptr %a1
-  %t263 = load %S.ast.Type, ptr %a192
-  %t264 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t262, %S.ast.Type %t263)
-  store { ptr, i64, i64 } { ptr @.str.4664, i64 9, i64 0 }, ptr %a266
-  store { ptr, i64, i64 } %t264, ptr %a267
-  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
-  %t268 = load { ptr, i64, i64 }, ptr %a265
-  store { ptr, i64, i64 } %t268, ptr %a270
-  store { ptr, i64, i64 } { ptr @.str.4665, i64 11, i64 0 }, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  %t273 = load { ptr, i64, i64 }, ptr %a237
-  store { ptr, i64, i64 } %t272, ptr %a275
-  store { ptr, i64, i64 } %t273, ptr %a276
-  call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
-  %t277 = load { ptr, i64, i64 }, ptr %a274
-  %t278 = load i64, ptr %t261
-  %t279 = add i64 %t278, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t279, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t280 = load ptr, ptr %a236
-  %t281 = getelementptr inbounds { ptr, i64, i64 }, ptr %t280, i64 %t278
-  store { ptr, i64, i64 } %t277, ptr %t281
-  store i64 %t279, ptr %t261
-  br label %endif7190
-endif7190:
-  %t282 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
-  %t284 = load i64, ptr %t283
-  store i64 0, ptr %a285
-  br label %for.cond7191
-for.cond7191:
-  %t286 = load i64, ptr %a285
-  %t287 = icmp slt i64 %t286, %t284
-  br i1 %t287, label %for.body7192, label %for.end7194
-for.body7192:
-  %t288 = load i64, ptr %a285
-  %t289 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i32 0, i32 1
-  %t291 = load i64, ptr %t290
-  %t292 = icmp slt i64 %t288, %t291
-  br i1 %t292, label %then7195, label %endif7197
-then7195:
-  %t293 = load i64, ptr %a285
-  %t294 = load { ptr, i64, i64 }, ptr %a198
-  %t295 = extractvalue { ptr, i64, i64 } %t294, 1
-  %t296 = icmp uge i64 %t293, %t295
-  br i1 %t296, label %range7198, label %inrange7199
-range7198:
-  call void @finch_panic_index(ptr @.str.4666, i64 4180, i64 %t293, i64 %t295)
+  %t242 = load %S.ast.Node, ptr %a2
+  %t243 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t244 = load { ptr, i64, i64 }, ptr %t243
+  %t245 = load %S.ast.Type, ptr %a240
+  call void @finch.gen.checkByValue(ptr %t241, %S.ast.Node %t242, { ptr, i64, i64 } %t244, %S.ast.Type %t245, { ptr, i64, i64 } { ptr @.str.4833, i64 5, i64 0 })
+  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %a225, i32 0, i32 1
+  %t247 = load %S.ast.Type, ptr %a240
+  store %S.ast.Type %t247, ptr %a248
+  call void @finch.copy.S_ast_Type(ptr %a249, ptr %a248)
+  %t250 = load %S.ast.Type, ptr %a249
+  %t251 = load i64, ptr %t246
+  %t252 = add i64 %t251, 1
+  call void @finch_arr_reserve(ptr %a225, i64 %t252, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t253 = load ptr, ptr %a225
+  %t254 = getelementptr inbounds %S.ast.Type, ptr %t253, i64 %t251
+  store %S.ast.Type %t250, ptr %t254
+  store i64 %t252, ptr %t246
+  call void @finch.drop.S_ast_Type(ptr %a240)
+  br label %each.step7564
+each.step7564:
+  %t255 = load i64, ptr %a227
+  %t256 = add i64 %t255, 1
+  store i64 %t256, ptr %a227
+  br label %each.cond7562
+each.end7565:
+  %t257 = load ptr, ptr %a1
+  %t258 = load %S.ast.Type, ptr %a219
+  %t259 = load { ptr, i64, i64 }, ptr %a225
+  %t260 = call %S.gen.Plan @finch.gen.makePlan(ptr %t257, %S.ast.Type %t258, { ptr, i64, i64 } %t259)
+  store %S.gen.Plan %t260, ptr %a261
+  store { ptr, i64, i64 } zeroinitializer, ptr %a262
+  store { ptr, i64, i64 } zeroinitializer, ptr %a263
+  store { ptr, i64, i64 } { ptr @.str.4834, i64 0, i64 0 }, ptr %a264
+  %t265 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 3
+  %t266 = load i1, ptr %t265
+  br i1 %t266, label %then7566, label %endif7568
+then7566:
+  %t267 = load ptr, ptr %a1
+  %t268 = load ptr, ptr %a1
+  %t269 = load %S.ast.Type, ptr %a219
+  %t270 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t268, %S.ast.Type %t269)
+  %t271 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t267, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t271, ptr %a264
+  store { ptr, i64, i64 } %t273, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t276 = load ptr, ptr %a1
+  %t277 = load %S.ast.Type, ptr %a219
+  %t278 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t276, %S.ast.Type %t277)
+  store { ptr, i64, i64 } { ptr @.str.4835, i64 9, i64 0 }, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.4836, i64 10, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = load i64, ptr %t275
+  %t290 = add i64 %t289, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t290, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t291 = load ptr, ptr %a262
+  %t292 = getelementptr inbounds { ptr, i64, i64 }, ptr %t291, i64 %t289
+  store { ptr, i64, i64 } %t288, ptr %t292
+  store i64 %t290, ptr %t275
+  %t293 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t294 = load ptr, ptr %a1
+  %t295 = load %S.ast.Type, ptr %a219
+  %t296 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t294, %S.ast.Type %t295)
+  store { ptr, i64, i64 } { ptr @.str.4837, i64 9, i64 0 }, ptr %a298
+  store { ptr, i64, i64 } %t296, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  store { ptr, i64, i64 } %t296, ptr %a300
+  call void @finch_str_drop(ptr %a300)
+  %t301 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } %t301, ptr %a303
+  store { ptr, i64, i64 } { ptr @.str.4838, i64 11, i64 0 }, ptr %a304
+  call void @finch_str_concat(ptr %a302, ptr %a303, ptr %a304)
+  store { ptr, i64, i64 } %t301, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  %t306 = load { ptr, i64, i64 }, ptr %a302
+  %t307 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t306, ptr %a309
+  store { ptr, i64, i64 } %t307, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t306, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = load { ptr, i64, i64 }, ptr %a308
+  %t313 = load i64, ptr %t293
+  %t314 = add i64 %t313, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t314, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t315 = load ptr, ptr %a263
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t315, i64 %t313
+  store { ptr, i64, i64 } %t312, ptr %t316
+  store i64 %t314, ptr %t293
+  br label %endif7568
+endif7568:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a317
+  %t318 = load ptr, ptr %a1
+  %t319 = icmp eq ptr %t318, null
+  br i1 %t319, label %panic7569, label %ok7570
+panic7569:
+  call void @finch_panic(ptr @.str.4839, i64 4466, ptr @.str.4840)
   unreachable
-inrange7199:
-  %t297 = extractvalue { ptr, i64, i64 } %t294, 0
-  %t298 = getelementptr inbounds %S.ast.Type, ptr %t297, i64 %t293
-  %t299 = load %S.ast.Type, ptr %t298
-  store %S.ast.Type %t299, ptr %a300
-  call void @finch.copy.S_ast_Type(ptr %a301, ptr %a300)
-  %t302 = load %S.ast.Type, ptr %a301
-  store %S.ast.Type %t302, ptr %a303
-  %t304 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 1
-  %t305 = load i64, ptr %a285
-  %t306 = load { ptr, i64, i64 }, ptr %t304
-  %t307 = extractvalue { ptr, i64, i64 } %t306, 1
-  %t308 = icmp uge i64 %t305, %t307
-  br i1 %t308, label %range7200, label %inrange7201
-range7200:
-  call void @finch_panic_index(ptr @.str.4667, i64 4181, i64 %t305, i64 %t307)
+ok7570:
+  %t320 = getelementptr inbounds %S.gen.Gen, ptr %t318, i32 0, i32 11
+  %t321 = getelementptr inbounds { ptr, i64, i64 }, ptr %t320, i32 0, i32 1
+  %t322 = load i64, ptr %t321
+  store i64 %t322, ptr %a323
+  %t324 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %t324, i32 0, i32 1
+  %t326 = load i64, ptr %t325
+  store i64 0, ptr %a327
+  br label %for.cond7571
+for.cond7571:
+  %t328 = load i64, ptr %a327
+  %t329 = icmp slt i64 %t328, %t326
+  br i1 %t329, label %for.body7572, label %for.end7574
+for.body7572:
+  %t330 = load i64, ptr %a327
+  %t331 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i32 0, i32 1
+  %t333 = load i64, ptr %t332
+  %t334 = icmp slt i64 %t330, %t333
+  br i1 %t334, label %then7575, label %endif7577
+then7575:
+  %t335 = load i64, ptr %a327
+  %t336 = load { ptr, i64, i64 }, ptr %a225
+  %t337 = extractvalue { ptr, i64, i64 } %t336, 1
+  %t338 = icmp uge i64 %t335, %t337
+  br i1 %t338, label %range7578, label %inrange7579
+range7578:
+  call void @finch_panic_index(ptr @.str.4841, i64 4469, i64 %t335, i64 %t337)
   unreachable
-inrange7201:
-  %t309 = extractvalue { ptr, i64, i64 } %t306, 0
-  %t310 = getelementptr inbounds %S.gen.Abi, ptr %t309, i64 %t305
-  %t311 = load %S.gen.Abi, ptr %t310
-  store %S.gen.Abi %t311, ptr %a312
-  call void @finch.copy.S_gen_Abi(ptr %a313, ptr %a312)
-  %t314 = load %S.gen.Abi, ptr %a313
-  store %S.gen.Abi %t314, ptr %a315
-  %t316 = load ptr, ptr %a1
-  %t317 = load ptr, ptr %a1
-  %t318 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t319 = load i64, ptr %a285
-  %t320 = load { ptr, i64, i64 }, ptr %t318
-  %t321 = extractvalue { ptr, i64, i64 } %t320, 1
-  %t322 = icmp uge i64 %t319, %t321
-  br i1 %t322, label %range7202, label %inrange7203
-range7202:
-  call void @finch_panic_index(ptr @.str.4668, i64 4182, i64 %t319, i64 %t321)
+inrange7579:
+  %t339 = extractvalue { ptr, i64, i64 } %t336, 0
+  %t340 = getelementptr inbounds %S.ast.Type, ptr %t339, i64 %t335
+  %t341 = load %S.ast.Type, ptr %t340
+  store %S.ast.Type %t341, ptr %a342
+  call void @finch.copy.S_ast_Type(ptr %a343, ptr %a342)
+  %t344 = load %S.ast.Type, ptr %a343
+  store %S.ast.Type %t344, ptr %a345
+  %t346 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 1
+  %t347 = load i64, ptr %a327
+  %t348 = load { ptr, i64, i64 }, ptr %t346
+  %t349 = extractvalue { ptr, i64, i64 } %t348, 1
+  %t350 = icmp uge i64 %t347, %t349
+  br i1 %t350, label %range7580, label %inrange7581
+range7580:
+  call void @finch_panic_index(ptr @.str.4842, i64 4470, i64 %t347, i64 %t349)
   unreachable
-inrange7203:
-  %t323 = extractvalue { ptr, i64, i64 } %t320, 0
-  %t324 = getelementptr inbounds %S.ast.Node, ptr %t323, i64 %t319
-  %t325 = load %S.ast.Node, ptr %t324
-  %t326 = load %S.ast.Type, ptr %a303
-  %t327 = call %S.gen.Val @finch.gen.exprWant(ptr %t317, %S.ast.Node %t325, %S.ast.Type %t326)
-  %t328 = load %S.ast.Type, ptr %a303
-  %t329 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t330 = load i64, ptr %a285
-  %t331 = load { ptr, i64, i64 }, ptr %t329
-  %t332 = extractvalue { ptr, i64, i64 } %t331, 1
-  %t333 = icmp uge i64 %t330, %t332
-  br i1 %t333, label %range7204, label %inrange7205
-range7204:
-  call void @finch_panic_index(ptr @.str.4669, i64 4182, i64 %t330, i64 %t332)
+inrange7581:
+  %t351 = extractvalue { ptr, i64, i64 } %t348, 0
+  %t352 = getelementptr inbounds %S.gen.Abi, ptr %t351, i64 %t347
+  %t353 = load %S.gen.Abi, ptr %t352
+  store %S.gen.Abi %t353, ptr %a354
+  call void @finch.copy.S_gen_Abi(ptr %a355, ptr %a354)
+  %t356 = load %S.gen.Abi, ptr %a355
+  store %S.gen.Abi %t356, ptr %a357
+  %t358 = load ptr, ptr %a1
+  %t359 = load ptr, ptr %a1
+  %t360 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t361 = load i64, ptr %a327
+  %t362 = load { ptr, i64, i64 }, ptr %t360
+  %t363 = extractvalue { ptr, i64, i64 } %t362, 1
+  %t364 = icmp uge i64 %t361, %t363
+  br i1 %t364, label %range7582, label %inrange7583
+range7582:
+  call void @finch_panic_index(ptr @.str.4843, i64 4471, i64 %t361, i64 %t363)
   unreachable
-inrange7205:
-  %t334 = extractvalue { ptr, i64, i64 } %t331, 0
-  %t335 = getelementptr inbounds %S.ast.Node, ptr %t334, i64 %t330
-  %t336 = load %S.ast.Node, ptr %t335
-  %t337 = load i64, ptr %a285
-  %t338 = add i64 %t337, 1
-  call void @finch_str_from_int(ptr %a339, i64 %t338)
-  %t340 = load { ptr, i64, i64 }, ptr %a339
-  store { ptr, i64, i64 } { ptr @.str.4670, i64 9, i64 0 }, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a346
-  store { ptr, i64, i64 } { ptr @.str.4671, i64 4, i64 0 }, ptr %a347
-  call void @finch_str_concat(ptr %a345, ptr %a346, ptr %a347)
-  %t348 = load { ptr, i64, i64 }, ptr %a345
-  %t349 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t350 = load { ptr, i64, i64 }, ptr %t349
-  store { ptr, i64, i64 } %t348, ptr %a352
-  store { ptr, i64, i64 } %t350, ptr %a353
-  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
-  %t354 = load { ptr, i64, i64 }, ptr %a351
-  %t355 = call %S.gen.Val @finch.gen.coerce(ptr %t316, %S.gen.Val %t327, %S.ast.Type %t328, %S.ast.Node %t336, { ptr, i64, i64 } %t354)
-  store %S.gen.Val %t355, ptr %a356
-  %t357 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 0
-  %t358 = load { ptr, i64, i64 }, ptr %t357
-  store { ptr, i64, i64 } %t358, ptr %a359
-  store { ptr, i64, i64 } { ptr @.str.4672, i64 6, i64 0 }, ptr %a360
-  %t361 = call i32 @finch_str_eq(ptr %a359, ptr %a360)
-  %t362 = icmp ne i32 %t361, 0
-  br i1 %t362, label %then7206, label %else7207
-then7206:
-  %t363 = load ptr, ptr %a1
-  %t364 = load ptr, ptr %a1
-  %t365 = load %S.ast.Type, ptr %a303
-  %t366 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t364, %S.ast.Type %t365)
-  %t367 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t363, { ptr, i64, i64 } %t366)
-  store { ptr, i64, i64 } %t367, ptr %a368
-  %t369 = load ptr, ptr %a1
-  %t370 = load ptr, ptr %a1
-  %t371 = load %S.ast.Type, ptr %a303
-  %t372 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t370, %S.ast.Type %t371)
-  %t373 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t374 = load { ptr, i64, i64 }, ptr %t373
-  %t375 = load { ptr, i64, i64 }, ptr %a368
-  call void @finch.gen.store(ptr %t369, { ptr, i64, i64 } %t372, { ptr, i64, i64 } %t374, { ptr, i64, i64 } %t375)
-  %t376 = load ptr, ptr %a1
-  %t377 = load %S.ast.Type, ptr %a303
-  %t378 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t376, %S.ast.Type %t377)
-  store { ptr, i64, i64 } { ptr @.str.4673, i64 10, i64 0 }, ptr %a380
-  store { ptr, i64, i64 } %t378, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  store { ptr, i64, i64 } %t382, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.4674, i64 8, i64 0 }, ptr %a385
+inrange7583:
+  %t365 = extractvalue { ptr, i64, i64 } %t362, 0
+  %t366 = getelementptr inbounds %S.ast.Node, ptr %t365, i64 %t361
+  %t367 = load %S.ast.Node, ptr %t366
+  %t368 = load %S.ast.Type, ptr %a345
+  %t369 = call %S.gen.Val @finch.gen.exprWant(ptr %t359, %S.ast.Node %t367, %S.ast.Type %t368)
+  %t370 = load %S.ast.Type, ptr %a345
+  %t371 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t372 = load i64, ptr %a327
+  %t373 = load { ptr, i64, i64 }, ptr %t371
+  %t374 = extractvalue { ptr, i64, i64 } %t373, 1
+  %t375 = icmp uge i64 %t372, %t374
+  br i1 %t375, label %range7584, label %inrange7585
+range7584:
+  call void @finch_panic_index(ptr @.str.4844, i64 4471, i64 %t372, i64 %t374)
+  unreachable
+inrange7585:
+  %t376 = extractvalue { ptr, i64, i64 } %t373, 0
+  %t377 = getelementptr inbounds %S.ast.Node, ptr %t376, i64 %t372
+  %t378 = load %S.ast.Node, ptr %t377
+  %t379 = load i64, ptr %a327
+  %t380 = add i64 %t379, 1
+  call void @finch_str_from_int(ptr %a381, i64 %t380)
+  %t382 = load { ptr, i64, i64 }, ptr %a381
+  store { ptr, i64, i64 } { ptr @.str.4845, i64 9, i64 0 }, ptr %a384
+  store { ptr, i64, i64 } %t382, ptr %a385
   call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
-  %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 3
-  %t388 = load i64, ptr %t387
-  call void @finch_str_from_int(ptr %a389, i64 %t388)
-  %t390 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t386, ptr %a392
-  store { ptr, i64, i64 } %t390, ptr %a393
-  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
-  %t394 = load { ptr, i64, i64 }, ptr %a391
-  store { ptr, i64, i64 } %t394, ptr %a395
-  %t396 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t397 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t397, ptr %a398
-  call void @finch_str_copy(ptr %a399, ptr %a398)
-  %t400 = load { ptr, i64, i64 }, ptr %a399
-  %t401 = load i64, ptr %t396
-  %t402 = add i64 %t401, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t402, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t403 = load ptr, ptr %a235
-  %t404 = getelementptr inbounds { ptr, i64, i64 }, ptr %t403, i64 %t401
-  store { ptr, i64, i64 } %t400, ptr %t404
-  store i64 %t402, ptr %t396
-  %t405 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t406 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t406, ptr %a408
-  store { ptr, i64, i64 } { ptr @.str.4675, i64 1, i64 0 }, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  %t411 = load { ptr, i64, i64 }, ptr %a368
-  store { ptr, i64, i64 } %t410, ptr %a413
-  store { ptr, i64, i64 } %t411, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  %t416 = load i64, ptr %t405
-  %t417 = add i64 %t416, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t417, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t418 = load ptr, ptr %a236
-  %t419 = getelementptr inbounds { ptr, i64, i64 }, ptr %t418, i64 %t416
-  store { ptr, i64, i64 } %t415, ptr %t419
-  store i64 %t417, ptr %t405
-  br label %endif7208
-else7207:
-  %t420 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 0
-  %t421 = load { ptr, i64, i64 }, ptr %t420
-  store { ptr, i64, i64 } %t421, ptr %a422
-  store { ptr, i64, i64 } { ptr @.str.4676, i64 8, i64 0 }, ptr %a423
-  %t424 = call i32 @finch_str_eq(ptr %a422, ptr %a423)
-  %t425 = icmp ne i32 %t424, 0
-  br i1 %t425, label %then7209, label %else7210
-then7209:
-  %t426 = load ptr, ptr %a1
-  %t427 = load ptr, ptr %a1
-  %t428 = load %S.ast.Type, ptr %a303
-  %t429 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t427, %S.ast.Type %t428)
-  %t430 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t426, { ptr, i64, i64 } %t429)
-  store { ptr, i64, i64 } %t430, ptr %a431
-  %t432 = load ptr, ptr %a1
-  %t433 = load ptr, ptr %a1
-  %t434 = load %S.ast.Type, ptr %a303
-  %t435 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t433, %S.ast.Type %t434)
-  %t436 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t437 = load { ptr, i64, i64 }, ptr %t436
-  %t438 = load { ptr, i64, i64 }, ptr %a431
-  call void @finch.gen.store(ptr %t432, { ptr, i64, i64 } %t435, { ptr, i64, i64 } %t437, { ptr, i64, i64 } %t438)
-  %t439 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t440 = load i64, ptr %t439
-  %t441 = add i64 %t440, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t441, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t442 = load ptr, ptr %a235
-  %t443 = getelementptr inbounds { ptr, i64, i64 }, ptr %t442, i64 %t440
-  store { ptr, i64, i64 } { ptr @.str.4677, i64 3, i64 0 }, ptr %t443
-  store i64 %t441, ptr %t439
-  %t444 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t445 = load { ptr, i64, i64 }, ptr %a431
-  store { ptr, i64, i64 } { ptr @.str.4678, i64 4, i64 0 }, ptr %a447
-  store { ptr, i64, i64 } %t445, ptr %a448
-  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
-  %t449 = load { ptr, i64, i64 }, ptr %a446
-  %t450 = load i64, ptr %t444
-  %t451 = add i64 %t450, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t451, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t452 = load ptr, ptr %a236
-  %t453 = getelementptr inbounds { ptr, i64, i64 }, ptr %t452, i64 %t450
-  store { ptr, i64, i64 } %t449, ptr %t453
-  store i64 %t451, ptr %t444
-  br label %endif7211
-else7210:
-  %t454 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 0
-  %t455 = load { ptr, i64, i64 }, ptr %t454
-  store { ptr, i64, i64 } %t455, ptr %a456
-  store { ptr, i64, i64 } { ptr @.str.4679, i64 6, i64 0 }, ptr %a457
-  %t458 = call i32 @finch_str_eq(ptr %a456, ptr %a457)
-  %t459 = icmp ne i32 %t458, 0
-  br i1 %t459, label %then7212, label %else7213
-then7212:
-  %t460 = load ptr, ptr %a1
-  %t461 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t460, { ptr, i64, i64 } { ptr @.str.4680, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t382, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  %t387 = load { ptr, i64, i64 }, ptr %a383
+  store { ptr, i64, i64 } %t387, ptr %a389
+  store { ptr, i64, i64 } { ptr @.str.4846, i64 4, i64 0 }, ptr %a390
+  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t387, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = load { ptr, i64, i64 }, ptr %a388
+  %t393 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t394 = load { ptr, i64, i64 }, ptr %t393
+  store { ptr, i64, i64 } %t392, ptr %a396
+  store { ptr, i64, i64 } %t394, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t392, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  %t400 = call %S.gen.Val @finch.gen.coerce(ptr %t358, %S.gen.Val %t369, %S.ast.Type %t370, %S.ast.Node %t378, { ptr, i64, i64 } %t399)
+  store %S.gen.Val %t369, ptr %a401
+  call void @finch.drop.S_gen_Val(ptr %a401)
+  store { ptr, i64, i64 } %t399, ptr %a402
+  call void @finch_str_drop(ptr %a402)
+  store %S.gen.Val %t400, ptr %a403
+  %t404 = getelementptr inbounds { ptr, i64, i64 }, ptr %a317, i32 0, i32 1
+  %t405 = load %S.gen.Val, ptr %a403
+  store %S.gen.Val %t405, ptr %a406
+  call void @finch.copy.S_gen_Val(ptr %a407, ptr %a406)
+  %t408 = load %S.gen.Val, ptr %a407
+  %t409 = load i64, ptr %t404
+  %t410 = add i64 %t409, 1
+  call void @finch_arr_reserve(ptr %a317, i64 %t410, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t411 = load ptr, ptr %a317
+  %t412 = getelementptr inbounds %S.gen.Val, ptr %t411, i64 %t409
+  store %S.gen.Val %t408, ptr %t412
+  store i64 %t410, ptr %t404
+  %t413 = load ptr, ptr %a1
+  %t414 = load %S.gen.Val, ptr %a403
+  call void @finch.gen.hold(ptr %t413, %S.gen.Val %t414)
+  %t415 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 0
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  store { ptr, i64, i64 } %t416, ptr %a417
+  store { ptr, i64, i64 } { ptr @.str.4847, i64 6, i64 0 }, ptr %a418
+  %t419 = call i32 @finch_str_eq(ptr %a417, ptr %a418)
+  %t420 = icmp ne i32 %t419, 0
+  br i1 %t420, label %then7586, label %else7587
+then7586:
+  %t421 = load ptr, ptr %a1
+  %t422 = load ptr, ptr %a1
+  %t423 = load %S.ast.Type, ptr %a345
+  %t424 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t422, %S.ast.Type %t423)
+  %t425 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t421, { ptr, i64, i64 } %t424)
+  store { ptr, i64, i64 } %t424, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  store { ptr, i64, i64 } %t425, ptr %a427
+  %t428 = load ptr, ptr %a1
+  %t429 = load ptr, ptr %a1
+  %t430 = load %S.ast.Type, ptr %a345
+  %t431 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t429, %S.ast.Type %t430)
+  %t432 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t433 = load { ptr, i64, i64 }, ptr %t432
+  %t434 = load { ptr, i64, i64 }, ptr %a427
+  call void @finch.gen.store(ptr %t428, { ptr, i64, i64 } %t431, { ptr, i64, i64 } %t433, { ptr, i64, i64 } %t434)
+  store { ptr, i64, i64 } %t431, ptr %a435
+  call void @finch_str_drop(ptr %a435)
+  %t436 = load ptr, ptr %a1
+  %t437 = load %S.ast.Type, ptr %a345
+  %t438 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t436, %S.ast.Type %t437)
+  store { ptr, i64, i64 } { ptr @.str.4848, i64 10, i64 0 }, ptr %a440
+  store { ptr, i64, i64 } %t438, ptr %a441
+  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
+  store { ptr, i64, i64 } %t438, ptr %a442
+  call void @finch_str_drop(ptr %a442)
+  %t443 = load { ptr, i64, i64 }, ptr %a439
+  store { ptr, i64, i64 } %t443, ptr %a445
+  store { ptr, i64, i64 } { ptr @.str.4849, i64 8, i64 0 }, ptr %a446
+  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
+  store { ptr, i64, i64 } %t443, ptr %a447
+  call void @finch_str_drop(ptr %a447)
+  %t448 = load { ptr, i64, i64 }, ptr %a444
+  %t449 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 3
+  %t450 = load i64, ptr %t449
+  call void @finch_str_from_int(ptr %a451, i64 %t450)
+  %t452 = load { ptr, i64, i64 }, ptr %a451
+  store { ptr, i64, i64 } %t448, ptr %a454
+  store { ptr, i64, i64 } %t452, ptr %a455
+  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
+  store { ptr, i64, i64 } %t448, ptr %a456
+  call void @finch_str_drop(ptr %a456)
+  store { ptr, i64, i64 } %t452, ptr %a457
+  call void @finch_str_drop(ptr %a457)
+  %t458 = load { ptr, i64, i64 }, ptr %a453
+  store { ptr, i64, i64 } %t458, ptr %a459
+  %t460 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t461 = load { ptr, i64, i64 }, ptr %a459
   store { ptr, i64, i64 } %t461, ptr %a462
-  %t463 = load ptr, ptr %a1
-  %t464 = load ptr, ptr %a1
-  %t465 = load %S.ast.Type, ptr %a303
-  %t466 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t464, %S.ast.Type %t465)
-  %t467 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t468 = load { ptr, i64, i64 }, ptr %t467
-  %t469 = load { ptr, i64, i64 }, ptr %a462
-  call void @finch.gen.store(ptr %t463, { ptr, i64, i64 } %t466, { ptr, i64, i64 } %t468, { ptr, i64, i64 } %t469)
-  %t470 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t471 = getelementptr inbounds { ptr, i64, i64 }, ptr %t470, i32 0, i32 1
-  %t472 = load i64, ptr %t471
-  store i64 0, ptr %a473
-  br label %for.cond7215
-for.cond7215:
-  %t474 = load i64, ptr %a473
-  %t475 = icmp slt i64 %t474, %t472
-  br i1 %t475, label %for.body7216, label %for.end7218
-for.body7216:
-  %t476 = load ptr, ptr %a1
-  %t477 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t478 = load i64, ptr %a473
-  %t479 = load { ptr, i64, i64 }, ptr %t477
-  %t480 = extractvalue { ptr, i64, i64 } %t479, 1
-  %t481 = icmp uge i64 %t478, %t480
-  br i1 %t481, label %range7219, label %inrange7220
-range7219:
-  call void @finch_panic_index(ptr @.str.4681, i64 4198, i64 %t478, i64 %t480)
+  call void @finch_str_copy(ptr %a463, ptr %a462)
+  %t464 = load { ptr, i64, i64 }, ptr %a463
+  %t465 = load i64, ptr %t460
+  %t466 = add i64 %t465, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t466, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t467 = load ptr, ptr %a262
+  %t468 = getelementptr inbounds { ptr, i64, i64 }, ptr %t467, i64 %t465
+  store { ptr, i64, i64 } %t464, ptr %t468
+  store i64 %t466, ptr %t460
+  %t469 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t470 = load { ptr, i64, i64 }, ptr %a459
+  store { ptr, i64, i64 } %t470, ptr %a472
+  store { ptr, i64, i64 } { ptr @.str.4850, i64 1, i64 0 }, ptr %a473
+  call void @finch_str_concat(ptr %a471, ptr %a472, ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a471
+  %t475 = load { ptr, i64, i64 }, ptr %a427
+  store { ptr, i64, i64 } %t474, ptr %a477
+  store { ptr, i64, i64 } %t475, ptr %a478
+  call void @finch_str_concat(ptr %a476, ptr %a477, ptr %a478)
+  store { ptr, i64, i64 } %t474, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  %t480 = load { ptr, i64, i64 }, ptr %a476
+  %t481 = load i64, ptr %t469
+  %t482 = add i64 %t481, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t482, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t483 = load ptr, ptr %a263
+  %t484 = getelementptr inbounds { ptr, i64, i64 }, ptr %t483, i64 %t481
+  store { ptr, i64, i64 } %t480, ptr %t484
+  store i64 %t482, ptr %t469
+  call void @finch_str_drop(ptr %a459)
+  call void @finch_str_drop(ptr %a427)
+  br label %endif7588
+else7587:
+  %t485 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 0
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  store { ptr, i64, i64 } %t486, ptr %a487
+  store { ptr, i64, i64 } { ptr @.str.4851, i64 8, i64 0 }, ptr %a488
+  %t489 = call i32 @finch_str_eq(ptr %a487, ptr %a488)
+  %t490 = icmp ne i32 %t489, 0
+  br i1 %t490, label %then7589, label %else7590
+then7589:
+  %t491 = load ptr, ptr %a1
+  %t492 = load ptr, ptr %a1
+  %t493 = load %S.ast.Type, ptr %a345
+  %t494 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t492, %S.ast.Type %t493)
+  %t495 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t491, { ptr, i64, i64 } %t494)
+  store { ptr, i64, i64 } %t494, ptr %a496
+  call void @finch_str_drop(ptr %a496)
+  store { ptr, i64, i64 } %t495, ptr %a497
+  %t498 = load ptr, ptr %a1
+  %t499 = load ptr, ptr %a1
+  %t500 = load %S.ast.Type, ptr %a345
+  %t501 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t499, %S.ast.Type %t500)
+  %t502 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t503 = load { ptr, i64, i64 }, ptr %t502
+  %t504 = load { ptr, i64, i64 }, ptr %a497
+  call void @finch.gen.store(ptr %t498, { ptr, i64, i64 } %t501, { ptr, i64, i64 } %t503, { ptr, i64, i64 } %t504)
+  store { ptr, i64, i64 } %t501, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t507 = load i64, ptr %t506
+  %t508 = add i64 %t507, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t508, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t509 = load ptr, ptr %a262
+  %t510 = getelementptr inbounds { ptr, i64, i64 }, ptr %t509, i64 %t507
+  store { ptr, i64, i64 } { ptr @.str.4852, i64 3, i64 0 }, ptr %t510
+  store i64 %t508, ptr %t506
+  %t511 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t512 = load { ptr, i64, i64 }, ptr %a497
+  store { ptr, i64, i64 } { ptr @.str.4853, i64 4, i64 0 }, ptr %a514
+  store { ptr, i64, i64 } %t512, ptr %a515
+  call void @finch_str_concat(ptr %a513, ptr %a514, ptr %a515)
+  %t516 = load { ptr, i64, i64 }, ptr %a513
+  %t517 = load i64, ptr %t511
+  %t518 = add i64 %t517, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t518, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t519 = load ptr, ptr %a263
+  %t520 = getelementptr inbounds { ptr, i64, i64 }, ptr %t519, i64 %t517
+  store { ptr, i64, i64 } %t516, ptr %t520
+  store i64 %t518, ptr %t511
+  call void @finch_str_drop(ptr %a497)
+  br label %endif7591
+else7590:
+  %t521 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 0
+  %t522 = load { ptr, i64, i64 }, ptr %t521
+  store { ptr, i64, i64 } %t522, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.4854, i64 6, i64 0 }, ptr %a524
+  %t525 = call i32 @finch_str_eq(ptr %a523, ptr %a524)
+  %t526 = icmp ne i32 %t525, 0
+  br i1 %t526, label %then7592, label %else7593
+then7592:
+  %t527 = load ptr, ptr %a1
+  %t528 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t527, { ptr, i64, i64 } { ptr @.str.4855, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t528, ptr %a529
+  %t530 = load ptr, ptr %a1
+  %t531 = load ptr, ptr %a1
+  %t532 = load %S.ast.Type, ptr %a345
+  %t533 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t531, %S.ast.Type %t532)
+  %t534 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t535 = load { ptr, i64, i64 }, ptr %t534
+  %t536 = load { ptr, i64, i64 }, ptr %a529
+  call void @finch.gen.store(ptr %t530, { ptr, i64, i64 } %t533, { ptr, i64, i64 } %t535, { ptr, i64, i64 } %t536)
+  store { ptr, i64, i64 } %t533, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  %t538 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t539 = getelementptr inbounds { ptr, i64, i64 }, ptr %t538, i32 0, i32 1
+  %t540 = load i64, ptr %t539
+  store i64 0, ptr %a541
+  br label %for.cond7595
+for.cond7595:
+  %t542 = load i64, ptr %a541
+  %t543 = icmp slt i64 %t542, %t540
+  br i1 %t543, label %for.body7596, label %for.end7598
+for.body7596:
+  %t544 = load ptr, ptr %a1
+  %t545 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t546 = load i64, ptr %a541
+  %t547 = load { ptr, i64, i64 }, ptr %t545
+  %t548 = extractvalue { ptr, i64, i64 } %t547, 1
+  %t549 = icmp uge i64 %t546, %t548
+  br i1 %t549, label %range7599, label %inrange7600
+range7599:
+  call void @finch_panic_index(ptr @.str.4856, i64 4489, i64 %t546, i64 %t548)
   unreachable
-inrange7220:
-  %t482 = extractvalue { ptr, i64, i64 } %t479, 0
-  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i64 %t478
-  %t484 = load { ptr, i64, i64 }, ptr %t483
-  %t485 = load ptr, ptr %a1
-  %t486 = load { ptr, i64, i64 }, ptr %a462
-  store { ptr, i64, i64 } { ptr @.str.4682, i64 31, i64 0 }, ptr %a488
-  store { ptr, i64, i64 } %t486, ptr %a489
-  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  store { ptr, i64, i64 } %t490, ptr %a492
-  store { ptr, i64, i64 } { ptr @.str.4683, i64 6, i64 0 }, ptr %a493
-  call void @finch_str_concat(ptr %a491, ptr %a492, ptr %a493)
-  %t494 = load { ptr, i64, i64 }, ptr %a491
-  %t495 = load i64, ptr %a473
-  %t496 = mul i64 8, %t495
-  call void @finch_str_from_int(ptr %a497, i64 %t496)
-  %t498 = load { ptr, i64, i64 }, ptr %a497
-  store { ptr, i64, i64 } %t494, ptr %a500
-  store { ptr, i64, i64 } %t498, ptr %a501
-  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
-  %t502 = load { ptr, i64, i64 }, ptr %a499
-  %t503 = call { ptr, i64, i64 } @finch.gen.op(ptr %t485, { ptr, i64, i64 } %t502)
-  %t504 = call { ptr, i64, i64 } @finch.gen.load(ptr %t476, { ptr, i64, i64 } %t484, { ptr, i64, i64 } %t503)
-  store { ptr, i64, i64 } %t504, ptr %a505
-  %t506 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t507 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t508 = load i64, ptr %a473
-  %t509 = load { ptr, i64, i64 }, ptr %t507
-  %t510 = extractvalue { ptr, i64, i64 } %t509, 1
-  %t511 = icmp uge i64 %t508, %t510
-  br i1 %t511, label %range7221, label %inrange7222
-range7221:
-  call void @finch_panic_index(ptr @.str.4684, i64 4199, i64 %t508, i64 %t510)
+inrange7600:
+  %t550 = extractvalue { ptr, i64, i64 } %t547, 0
+  %t551 = getelementptr inbounds { ptr, i64, i64 }, ptr %t550, i64 %t546
+  %t552 = load { ptr, i64, i64 }, ptr %t551
+  %t553 = load ptr, ptr %a1
+  %t554 = load { ptr, i64, i64 }, ptr %a529
+  store { ptr, i64, i64 } { ptr @.str.4857, i64 31, i64 0 }, ptr %a556
+  store { ptr, i64, i64 } %t554, ptr %a557
+  call void @finch_str_concat(ptr %a555, ptr %a556, ptr %a557)
+  %t558 = load { ptr, i64, i64 }, ptr %a555
+  store { ptr, i64, i64 } %t558, ptr %a560
+  store { ptr, i64, i64 } { ptr @.str.4858, i64 6, i64 0 }, ptr %a561
+  call void @finch_str_concat(ptr %a559, ptr %a560, ptr %a561)
+  store { ptr, i64, i64 } %t558, ptr %a562
+  call void @finch_str_drop(ptr %a562)
+  %t563 = load { ptr, i64, i64 }, ptr %a559
+  %t564 = load i64, ptr %a541
+  %t565 = mul i64 8, %t564
+  call void @finch_str_from_int(ptr %a566, i64 %t565)
+  %t567 = load { ptr, i64, i64 }, ptr %a566
+  store { ptr, i64, i64 } %t563, ptr %a569
+  store { ptr, i64, i64 } %t567, ptr %a570
+  call void @finch_str_concat(ptr %a568, ptr %a569, ptr %a570)
+  store { ptr, i64, i64 } %t563, ptr %a571
+  call void @finch_str_drop(ptr %a571)
+  store { ptr, i64, i64 } %t567, ptr %a572
+  call void @finch_str_drop(ptr %a572)
+  %t573 = load { ptr, i64, i64 }, ptr %a568
+  %t574 = call { ptr, i64, i64 } @finch.gen.op(ptr %t553, { ptr, i64, i64 } %t573)
+  store { ptr, i64, i64 } %t573, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  %t576 = call { ptr, i64, i64 } @finch.gen.load(ptr %t544, { ptr, i64, i64 } %t552, { ptr, i64, i64 } %t574)
+  store { ptr, i64, i64 } %t574, ptr %a577
+  call void @finch_str_drop(ptr %a577)
+  store { ptr, i64, i64 } %t576, ptr %a578
+  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t580 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t581 = load i64, ptr %a541
+  %t582 = load { ptr, i64, i64 }, ptr %t580
+  %t583 = extractvalue { ptr, i64, i64 } %t582, 1
+  %t584 = icmp uge i64 %t581, %t583
+  br i1 %t584, label %range7601, label %inrange7602
+range7601:
+  call void @finch_panic_index(ptr @.str.4859, i64 4490, i64 %t581, i64 %t583)
   unreachable
-inrange7222:
-  %t512 = extractvalue { ptr, i64, i64 } %t509, 0
-  %t513 = getelementptr inbounds { ptr, i64, i64 }, ptr %t512, i64 %t508
-  %t514 = load { ptr, i64, i64 }, ptr %t513
-  store { ptr, i64, i64 } %t514, ptr %a515
-  call void @finch_str_copy(ptr %a516, ptr %a515)
-  %t517 = load { ptr, i64, i64 }, ptr %a516
-  %t518 = load i64, ptr %t506
-  %t519 = add i64 %t518, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t519, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t520 = load ptr, ptr %a235
-  %t521 = getelementptr inbounds { ptr, i64, i64 }, ptr %t520, i64 %t518
-  store { ptr, i64, i64 } %t517, ptr %t521
-  store i64 %t519, ptr %t506
-  %t522 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t523 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t524 = load i64, ptr %a473
-  %t525 = load { ptr, i64, i64 }, ptr %t523
-  %t526 = extractvalue { ptr, i64, i64 } %t525, 1
-  %t527 = icmp uge i64 %t524, %t526
-  br i1 %t527, label %range7223, label %inrange7224
-range7223:
-  call void @finch_panic_index(ptr @.str.4685, i64 4200, i64 %t524, i64 %t526)
+inrange7602:
+  %t585 = extractvalue { ptr, i64, i64 } %t582, 0
+  %t586 = getelementptr inbounds { ptr, i64, i64 }, ptr %t585, i64 %t581
+  %t587 = load { ptr, i64, i64 }, ptr %t586
+  store { ptr, i64, i64 } %t587, ptr %a588
+  call void @finch_str_copy(ptr %a589, ptr %a588)
+  %t590 = load { ptr, i64, i64 }, ptr %a589
+  %t591 = load i64, ptr %t579
+  %t592 = add i64 %t591, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t592, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t593 = load ptr, ptr %a262
+  %t594 = getelementptr inbounds { ptr, i64, i64 }, ptr %t593, i64 %t591
+  store { ptr, i64, i64 } %t590, ptr %t594
+  store i64 %t592, ptr %t579
+  %t595 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t596 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t597 = load i64, ptr %a541
+  %t598 = load { ptr, i64, i64 }, ptr %t596
+  %t599 = extractvalue { ptr, i64, i64 } %t598, 1
+  %t600 = icmp uge i64 %t597, %t599
+  br i1 %t600, label %range7603, label %inrange7604
+range7603:
+  call void @finch_panic_index(ptr @.str.4860, i64 4491, i64 %t597, i64 %t599)
   unreachable
-inrange7224:
-  %t528 = extractvalue { ptr, i64, i64 } %t525, 0
-  %t529 = getelementptr inbounds { ptr, i64, i64 }, ptr %t528, i64 %t524
-  %t530 = load { ptr, i64, i64 }, ptr %t529
-  store { ptr, i64, i64 } %t530, ptr %a532
-  store { ptr, i64, i64 } { ptr @.str.4686, i64 1, i64 0 }, ptr %a533
-  call void @finch_str_concat(ptr %a531, ptr %a532, ptr %a533)
-  %t534 = load { ptr, i64, i64 }, ptr %a531
-  %t535 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t534, ptr %a537
-  store { ptr, i64, i64 } %t535, ptr %a538
-  call void @finch_str_concat(ptr %a536, ptr %a537, ptr %a538)
-  %t539 = load { ptr, i64, i64 }, ptr %a536
-  %t540 = load i64, ptr %t522
-  %t541 = add i64 %t540, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t541, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t542 = load ptr, ptr %a236
-  %t543 = getelementptr inbounds { ptr, i64, i64 }, ptr %t542, i64 %t540
-  store { ptr, i64, i64 } %t539, ptr %t543
-  store i64 %t541, ptr %t522
-  br label %for.step7217
-for.step7217:
-  %t544 = load i64, ptr %a473
-  %t545 = add i64 %t544, 1
-  store i64 %t545, ptr %a473
-  br label %for.cond7215
-for.end7218:
-  br label %endif7214
-else7213:
-  %t546 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t547 = load ptr, ptr %a1
-  %t548 = load %S.ast.Type, ptr %a303
-  %t549 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t547, %S.ast.Type %t548)
-  %t550 = load ptr, ptr %a1
-  %t551 = load %S.ast.Type, ptr %a303
-  %t552 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t550, %S.ast.Type %t551)
-  store { ptr, i64, i64 } %t549, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = load i64, ptr %t546
-  %t558 = add i64 %t557, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t558, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t559 = load ptr, ptr %a235
-  %t560 = getelementptr inbounds { ptr, i64, i64 }, ptr %t559, i64 %t557
-  store { ptr, i64, i64 } %t556, ptr %t560
-  store i64 %t558, ptr %t546
-  %t561 = getelementptr inbounds %S.ast.Type, ptr %a303, i32 0, i32 0
-  %t562 = load { ptr, i64, i64 }, ptr %t561
-  store { ptr, i64, i64 } %t562, ptr %a563
-  store { ptr, i64, i64 } { ptr @.str.4687, i64 3, i64 0 }, ptr %a564
-  %t565 = call i32 @finch_str_eq(ptr %a563, ptr %a564)
-  %t566 = icmp ne i32 %t565, 0
-  br i1 %t566, label %then7225, label %else7226
-then7225:
-  %t567 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t568 = load ptr, ptr %a1
-  %t569 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t570 = load { ptr, i64, i64 }, ptr %t569
-  %t571 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t568, { ptr, i64, i64 } %t570)
-  store { ptr, i64, i64 } { ptr @.str.4688, i64 4, i64 0 }, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a574
-  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
-  %t575 = load { ptr, i64, i64 }, ptr %a572
-  %t576 = load i64, ptr %t567
-  %t577 = add i64 %t576, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t577, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t578 = load ptr, ptr %a236
-  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %t578, i64 %t576
-  store { ptr, i64, i64 } %t575, ptr %t579
-  store i64 %t577, ptr %t567
-  br label %endif7227
-else7226:
-  %t580 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t581 = load ptr, ptr %a1
-  %t582 = load %S.ast.Type, ptr %a303
-  %t583 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t581, %S.ast.Type %t582)
-  %t584 = load ptr, ptr %a1
-  %t585 = load %S.ast.Type, ptr %a303
-  %t586 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t584, %S.ast.Type %t585)
-  store { ptr, i64, i64 } %t583, ptr %a588
-  store { ptr, i64, i64 } %t586, ptr %a589
-  call void @finch_str_concat(ptr %a587, ptr %a588, ptr %a589)
-  %t590 = load { ptr, i64, i64 }, ptr %a587
-  store { ptr, i64, i64 } %t590, ptr %a592
-  store { ptr, i64, i64 } { ptr @.str.4689, i64 1, i64 0 }, ptr %a593
-  call void @finch_str_concat(ptr %a591, ptr %a592, ptr %a593)
-  %t594 = load { ptr, i64, i64 }, ptr %a591
-  %t595 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t596 = load { ptr, i64, i64 }, ptr %t595
-  store { ptr, i64, i64 } %t594, ptr %a598
-  store { ptr, i64, i64 } %t596, ptr %a599
-  call void @finch_str_concat(ptr %a597, ptr %a598, ptr %a599)
-  %t600 = load { ptr, i64, i64 }, ptr %a597
-  %t601 = load i64, ptr %t580
-  %t602 = add i64 %t601, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t602, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t603 = load ptr, ptr %a236
-  %t604 = getelementptr inbounds { ptr, i64, i64 }, ptr %t603, i64 %t601
-  store { ptr, i64, i64 } %t600, ptr %t604
-  store i64 %t602, ptr %t580
-  br label %endif7227
-endif7227:
-  br label %endif7214
-endif7214:
-  br label %endif7211
-endif7211:
-  br label %endif7208
-endif7208:
-  br label %for.step7193
-endif7197:
-  %t605 = load ptr, ptr %a1
-  %t606 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t607 = load i64, ptr %a285
-  %t608 = load { ptr, i64, i64 }, ptr %t606
-  %t609 = extractvalue { ptr, i64, i64 } %t608, 1
-  %t610 = icmp uge i64 %t607, %t609
-  br i1 %t610, label %range7228, label %inrange7229
-range7228:
-  call void @finch_panic_index(ptr @.str.4690, i64 4213, i64 %t607, i64 %t609)
-  unreachable
-inrange7229:
-  %t611 = extractvalue { ptr, i64, i64 } %t608, 0
-  %t612 = getelementptr inbounds %S.ast.Node, ptr %t611, i64 %t607
-  %t613 = load %S.ast.Node, ptr %t612
-  %t614 = call %S.gen.Val @finch.gen.expr(ptr %t605, %S.ast.Node %t613)
-  store %S.gen.Val %t614, ptr %a615
-  %t616 = getelementptr inbounds %S.gen.Val, ptr %a615, i32 0, i32 1
-  %t617 = load %S.ast.Type, ptr %t616
-  store %S.ast.Type %t617, ptr %a618
-  call void @finch.copy.S_ast_Type(ptr %a619, ptr %a618)
-  %t620 = load %S.ast.Type, ptr %a619
-  store %S.ast.Type %t620, ptr %a621
-  %t622 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t623 = load { ptr, i64, i64 }, ptr %t622
-  store { ptr, i64, i64 } %t623, ptr %a624
-  store { ptr, i64, i64 } { ptr @.str.4691, i64 4, i64 0 }, ptr %a625
-  %t626 = call i32 @finch_str_eq(ptr %a624, ptr %a625)
-  %t627 = icmp ne i32 %t626, 0
-  br i1 %t627, label %then7230, label %endif7232
-then7230:
-  %t628 = load ptr, ptr %a1
-  %t629 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t630 = load i64, ptr %a285
-  %t631 = load { ptr, i64, i64 }, ptr %t629
-  %t632 = extractvalue { ptr, i64, i64 } %t631, 1
-  %t633 = icmp uge i64 %t630, %t632
-  br i1 %t633, label %range7233, label %inrange7234
-range7233:
-  call void @finch_panic_index(ptr @.str.4692, i64 4216, i64 %t630, i64 %t632)
-  unreachable
-inrange7234:
-  %t634 = extractvalue { ptr, i64, i64 } %t631, 0
-  %t635 = getelementptr inbounds %S.ast.Node, ptr %t634, i64 %t630
-  %t636 = load %S.ast.Node, ptr %t635
-  call void @finch.gen.fail(ptr %t628, %S.ast.Node %t636, { ptr, i64, i64 } { ptr @.str.4693, i64 23, i64 0 })
-  br label %endif7232
-endif7232:
-  %t637 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
+inrange7604:
+  %t601 = extractvalue { ptr, i64, i64 } %t598, 0
+  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %t601, i64 %t597
+  %t603 = load { ptr, i64, i64 }, ptr %t602
+  store { ptr, i64, i64 } %t603, ptr %a605
+  store { ptr, i64, i64 } { ptr @.str.4861, i64 1, i64 0 }, ptr %a606
+  call void @finch_str_concat(ptr %a604, ptr %a605, ptr %a606)
+  %t607 = load { ptr, i64, i64 }, ptr %a604
+  %t608 = load { ptr, i64, i64 }, ptr %a578
+  store { ptr, i64, i64 } %t607, ptr %a610
+  store { ptr, i64, i64 } %t608, ptr %a611
+  call void @finch_str_concat(ptr %a609, ptr %a610, ptr %a611)
+  store { ptr, i64, i64 } %t607, ptr %a612
+  call void @finch_str_drop(ptr %a612)
+  %t613 = load { ptr, i64, i64 }, ptr %a609
+  %t614 = load i64, ptr %t595
+  %t615 = add i64 %t614, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t615, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t616 = load ptr, ptr %a263
+  %t617 = getelementptr inbounds { ptr, i64, i64 }, ptr %t616, i64 %t614
+  store { ptr, i64, i64 } %t613, ptr %t617
+  store i64 %t615, ptr %t595
+  call void @finch_str_drop(ptr %a578)
+  br label %for.step7597
+for.step7597:
+  %t618 = load i64, ptr %a541
+  %t619 = add i64 %t618, 1
+  store i64 %t619, ptr %a541
+  br label %for.cond7595
+for.end7598:
+  call void @finch_str_drop(ptr %a529)
+  br label %endif7594
+else7593:
+  %t620 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t621 = load ptr, ptr %a1
+  %t622 = load %S.ast.Type, ptr %a345
+  %t623 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t621, %S.ast.Type %t622)
+  %t624 = load ptr, ptr %a1
+  %t625 = load %S.ast.Type, ptr %a345
+  %t626 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t624, %S.ast.Type %t625)
+  store { ptr, i64, i64 } %t623, ptr %a628
+  store { ptr, i64, i64 } %t626, ptr %a629
+  call void @finch_str_concat(ptr %a627, ptr %a628, ptr %a629)
+  store { ptr, i64, i64 } %t623, ptr %a630
+  call void @finch_str_drop(ptr %a630)
+  store { ptr, i64, i64 } %t626, ptr %a631
+  call void @finch_str_drop(ptr %a631)
+  %t632 = load { ptr, i64, i64 }, ptr %a627
+  %t633 = load i64, ptr %t620
+  %t634 = add i64 %t633, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t634, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t635 = load ptr, ptr %a262
+  %t636 = getelementptr inbounds { ptr, i64, i64 }, ptr %t635, i64 %t633
+  store { ptr, i64, i64 } %t632, ptr %t636
+  store i64 %t634, ptr %t620
+  %t637 = getelementptr inbounds %S.ast.Type, ptr %a345, i32 0, i32 0
   %t638 = load { ptr, i64, i64 }, ptr %t637
   store { ptr, i64, i64 } %t638, ptr %a639
-  store { ptr, i64, i64 } { ptr @.str.4694, i64 6, i64 0 }, ptr %a640
+  store { ptr, i64, i64 } { ptr @.str.4862, i64 3, i64 0 }, ptr %a640
   %t641 = call i32 @finch_str_eq(ptr %a639, ptr %a640)
   %t642 = icmp ne i32 %t641, 0
-  br label %logic.from7235
-logic.from7235:
-  br i1 %t642, label %logic.end7237, label %logic.rhs7236
-logic.rhs7236:
-  %t643 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t644 = load { ptr, i64, i64 }, ptr %t643
-  store { ptr, i64, i64 } %t644, ptr %a645
-  store { ptr, i64, i64 } { ptr @.str.4695, i64 5, i64 0 }, ptr %a646
-  %t647 = call i32 @finch_str_eq(ptr %a645, ptr %a646)
-  %t648 = icmp ne i32 %t647, 0
-  br label %logic.rend7238
-logic.rend7238:
-  br label %logic.end7237
-logic.end7237:
-  %t649 = phi i1 [ true, %logic.from7235 ], [ %t648, %logic.rend7238 ]
-  br i1 %t649, label %then7239, label %endif7241
-then7239:
-  %t650 = load ptr, ptr %a1
-  %t651 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t652 = load i64, ptr %a285
-  %t653 = load { ptr, i64, i64 }, ptr %t651
-  %t654 = extractvalue { ptr, i64, i64 } %t653, 1
-  %t655 = icmp uge i64 %t652, %t654
-  br i1 %t655, label %range7242, label %inrange7243
-range7242:
-  call void @finch_panic_index(ptr @.str.4696, i64 4219, i64 %t652, i64 %t654)
+  br i1 %t642, label %then7605, label %else7606
+then7605:
+  %t643 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t644 = load ptr, ptr %a1
+  %t645 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t646 = load { ptr, i64, i64 }, ptr %t645
+  %t647 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t644, { ptr, i64, i64 } %t646)
+  store { ptr, i64, i64 } { ptr @.str.4863, i64 4, i64 0 }, ptr %a649
+  store { ptr, i64, i64 } %t647, ptr %a650
+  call void @finch_str_concat(ptr %a648, ptr %a649, ptr %a650)
+  store { ptr, i64, i64 } %t647, ptr %a651
+  call void @finch_str_drop(ptr %a651)
+  %t652 = load { ptr, i64, i64 }, ptr %a648
+  %t653 = load i64, ptr %t643
+  %t654 = add i64 %t653, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t654, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t655 = load ptr, ptr %a263
+  %t656 = getelementptr inbounds { ptr, i64, i64 }, ptr %t655, i64 %t653
+  store { ptr, i64, i64 } %t652, ptr %t656
+  store i64 %t654, ptr %t643
+  br label %endif7607
+else7606:
+  %t657 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t658 = load ptr, ptr %a1
+  %t659 = load %S.ast.Type, ptr %a345
+  %t660 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t658, %S.ast.Type %t659)
+  %t661 = load ptr, ptr %a1
+  %t662 = load %S.ast.Type, ptr %a345
+  %t663 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t661, %S.ast.Type %t662)
+  store { ptr, i64, i64 } %t660, ptr %a665
+  store { ptr, i64, i64 } %t663, ptr %a666
+  call void @finch_str_concat(ptr %a664, ptr %a665, ptr %a666)
+  store { ptr, i64, i64 } %t660, ptr %a667
+  call void @finch_str_drop(ptr %a667)
+  store { ptr, i64, i64 } %t663, ptr %a668
+  call void @finch_str_drop(ptr %a668)
+  %t669 = load { ptr, i64, i64 }, ptr %a664
+  store { ptr, i64, i64 } %t669, ptr %a671
+  store { ptr, i64, i64 } { ptr @.str.4864, i64 1, i64 0 }, ptr %a672
+  call void @finch_str_concat(ptr %a670, ptr %a671, ptr %a672)
+  store { ptr, i64, i64 } %t669, ptr %a673
+  call void @finch_str_drop(ptr %a673)
+  %t674 = load { ptr, i64, i64 }, ptr %a670
+  %t675 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t676 = load { ptr, i64, i64 }, ptr %t675
+  store { ptr, i64, i64 } %t674, ptr %a678
+  store { ptr, i64, i64 } %t676, ptr %a679
+  call void @finch_str_concat(ptr %a677, ptr %a678, ptr %a679)
+  store { ptr, i64, i64 } %t674, ptr %a680
+  call void @finch_str_drop(ptr %a680)
+  %t681 = load { ptr, i64, i64 }, ptr %a677
+  %t682 = load i64, ptr %t657
+  %t683 = add i64 %t682, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t683, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t684 = load ptr, ptr %a263
+  %t685 = getelementptr inbounds { ptr, i64, i64 }, ptr %t684, i64 %t682
+  store { ptr, i64, i64 } %t681, ptr %t685
+  store i64 %t683, ptr %t657
+  br label %endif7607
+endif7607:
+  br label %endif7594
+endif7594:
+  br label %endif7591
+endif7591:
+  br label %endif7588
+endif7588:
+  call void @finch.drop.S_gen_Val(ptr %a403)
+  call void @finch.drop.S_gen_Abi(ptr %a357)
+  call void @finch.drop.S_ast_Type(ptr %a345)
+  br label %for.step7573
+endif7577:
+  %t686 = load ptr, ptr %a1
+  %t687 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t688 = load i64, ptr %a327
+  %t689 = load { ptr, i64, i64 }, ptr %t687
+  %t690 = extractvalue { ptr, i64, i64 } %t689, 1
+  %t691 = icmp uge i64 %t688, %t690
+  br i1 %t691, label %range7608, label %inrange7609
+range7608:
+  call void @finch_panic_index(ptr @.str.4865, i64 4504, i64 %t688, i64 %t690)
   unreachable
-inrange7243:
-  %t656 = extractvalue { ptr, i64, i64 } %t653, 0
-  %t657 = getelementptr inbounds %S.ast.Node, ptr %t656, i64 %t652
-  %t658 = load %S.ast.Node, ptr %t657
-  call void @finch.gen.fail(ptr %t650, %S.ast.Node %t658, { ptr, i64, i64 } { ptr @.str.4697, i64 68, i64 0 })
-  br label %endif7241
-endif7241:
-  %t659 = getelementptr inbounds %S.gen.Val, ptr %a615, i32 0, i32 0
-  %t660 = load { ptr, i64, i64 }, ptr %t659
-  store { ptr, i64, i64 } %t660, ptr %a661
-  call void @finch_str_copy(ptr %a662, ptr %a661)
-  %t663 = load { ptr, i64, i64 }, ptr %a662
-  store { ptr, i64, i64 } %t663, ptr %a664
-  %t665 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t666 = load { ptr, i64, i64 }, ptr %t665
-  store { ptr, i64, i64 } %t666, ptr %a667
-  store { ptr, i64, i64 } { ptr @.str.4698, i64 3, i64 0 }, ptr %a668
-  %t669 = call i32 @finch_str_eq(ptr %a667, ptr %a668)
-  %t670 = icmp ne i32 %t669, 0
-  br i1 %t670, label %then7244, label %else7245
-then7244:
-  %t671 = load ptr, ptr %a1
-  %t672 = load { ptr, i64, i64 }, ptr %a664
-  %t673 = load %S.ast.Type, ptr %a621
-  %t674 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4699, i64 5, i64 0 })
-  %t675 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t671, { ptr, i64, i64 } %t672, %S.ast.Type %t673, %S.ast.Type %t674)
-  store { ptr, i64, i64 } %t675, ptr %a664
-  %t676 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4700, i64 5, i64 0 })
-  store %S.ast.Type %t676, ptr %a621
-  br label %endif7246
-else7245:
-  %t677 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t678 = load { ptr, i64, i64 }, ptr %t677
-  store { ptr, i64, i64 } %t678, ptr %a679
-  store { ptr, i64, i64 } { ptr @.str.4701, i64 3, i64 0 }, ptr %a680
-  %t681 = call i32 @finch_str_eq(ptr %a679, ptr %a680)
-  %t682 = icmp ne i32 %t681, 0
-  br i1 %t682, label %then7247, label %else7248
-then7247:
-  %t683 = load ptr, ptr %a1
-  %t684 = load { ptr, i64, i64 }, ptr %a664
-  %t685 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t683, { ptr, i64, i64 } %t684)
-  store { ptr, i64, i64 } %t685, ptr %a664
-  %t686 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4702, i64 3, i64 0 })
-  store %S.ast.Type %t686, ptr %a621
-  br label %endif7249
-else7248:
-  %t687 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t688 = load { ptr, i64, i64 }, ptr %t687
-  store { ptr, i64, i64 } %t688, ptr %a689
-  store { ptr, i64, i64 } { ptr @.str.4703, i64 4, i64 0 }, ptr %a690
-  %t691 = call i32 @finch_str_eq(ptr %a689, ptr %a690)
-  %t692 = icmp ne i32 %t691, 0
-  br i1 %t692, label %then7250, label %else7251
-then7250:
-  %t693 = load ptr, ptr %a1
-  %t694 = getelementptr inbounds %S.gen.Val, ptr %a615, i32 0, i32 0
-  %t695 = load { ptr, i64, i64 }, ptr %t694
-  store { ptr, i64, i64 } { ptr @.str.4704, i64 8, i64 0 }, ptr %a697
-  store { ptr, i64, i64 } %t695, ptr %a698
-  call void @finch_str_concat(ptr %a696, ptr %a697, ptr %a698)
-  %t699 = load { ptr, i64, i64 }, ptr %a696
-  store { ptr, i64, i64 } %t699, ptr %a701
-  store { ptr, i64, i64 } { ptr @.str.4705, i64 7, i64 0 }, ptr %a702
-  call void @finch_str_concat(ptr %a700, ptr %a701, ptr %a702)
-  %t703 = load { ptr, i64, i64 }, ptr %a700
-  %t704 = call { ptr, i64, i64 } @finch.gen.op(ptr %t693, { ptr, i64, i64 } %t703)
-  store { ptr, i64, i64 } %t704, ptr %a664
-  %t705 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4706, i64 3, i64 0 })
-  store %S.ast.Type %t705, ptr %a621
-  br label %endif7252
-else7251:
-  %t706 = load %S.ast.Type, ptr %a621
-  %t707 = call i1 @finch.gen.isInt(%S.ast.Type %t706)
-  br label %logic.from7253
-logic.from7253:
-  br i1 %t707, label %logic.end7255, label %logic.rhs7254
-logic.rhs7254:
-  %t708 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t709 = load { ptr, i64, i64 }, ptr %t708
-  store { ptr, i64, i64 } %t709, ptr %a710
-  store { ptr, i64, i64 } { ptr @.str.4707, i64 4, i64 0 }, ptr %a711
-  %t712 = call i32 @finch_str_eq(ptr %a710, ptr %a711)
-  %t713 = icmp ne i32 %t712, 0
-  br label %logic.rend7256
-logic.rend7256:
-  br label %logic.end7255
-logic.end7255:
-  %t714 = phi i1 [ true, %logic.from7253 ], [ %t713, %logic.rend7256 ]
-  br label %logic.from7257
-logic.from7257:
-  br i1 %t714, label %logic.rhs7258, label %logic.end7259
-logic.rhs7258:
-  %t715 = load %S.ast.Type, ptr %a621
-  %t716 = call i64 @finch.gen.bitsOf(%S.ast.Type %t715)
-  %t717 = icmp slt i64 %t716, 32
-  br label %logic.rend7260
-logic.rend7260:
-  br label %logic.end7259
-logic.end7259:
-  %t718 = phi i1 [ false, %logic.from7257 ], [ %t717, %logic.rend7260 ]
-  br i1 %t718, label %then7261, label %endif7263
-then7261:
-  %t719 = load ptr, ptr %a1
-  %t720 = load { ptr, i64, i64 }, ptr %a664
-  %t721 = load %S.ast.Type, ptr %a621
-  %t722 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4708, i64 3, i64 0 })
-  %t723 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t719, { ptr, i64, i64 } %t720, %S.ast.Type %t721, %S.ast.Type %t722)
-  store { ptr, i64, i64 } %t723, ptr %a664
-  %t724 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4709, i64 3, i64 0 })
-  store %S.ast.Type %t724, ptr %a621
-  br label %endif7263
-endif7263:
-  br label %endif7252
-endif7252:
-  br label %endif7249
-endif7249:
-  br label %endif7246
-endif7246:
-  %t725 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t726 = load ptr, ptr %a1
-  %t727 = load %S.ast.Type, ptr %a621
-  %t728 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t726, %S.ast.Type %t727)
-  store { ptr, i64, i64 } %t728, ptr %a730
-  store { ptr, i64, i64 } { ptr @.str.4710, i64 1, i64 0 }, ptr %a731
-  call void @finch_str_concat(ptr %a729, ptr %a730, ptr %a731)
-  %t732 = load { ptr, i64, i64 }, ptr %a729
-  %t733 = load { ptr, i64, i64 }, ptr %a664
-  store { ptr, i64, i64 } %t732, ptr %a735
-  store { ptr, i64, i64 } %t733, ptr %a736
-  call void @finch_str_concat(ptr %a734, ptr %a735, ptr %a736)
-  %t737 = load { ptr, i64, i64 }, ptr %a734
-  %t738 = load i64, ptr %t725
-  %t739 = add i64 %t738, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t739, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t740 = load ptr, ptr %a236
-  %t741 = getelementptr inbounds { ptr, i64, i64 }, ptr %t740, i64 %t738
-  store { ptr, i64, i64 } %t737, ptr %t741
-  store i64 %t739, ptr %t725
-  br label %for.step7193
-for.step7193:
-  %t742 = load i64, ptr %a285
-  %t743 = add i64 %t742, 1
-  store i64 %t743, ptr %a285
-  br label %for.cond7191
-for.end7194:
-  %t744 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 2
-  %t745 = load { ptr, i64, i64 }, ptr %t744
-  store { ptr, i64, i64 } %t745, ptr %a746
-  call void @finch_str_copy(ptr %a747, ptr %a746)
-  %t748 = load { ptr, i64, i64 }, ptr %a747
-  store { ptr, i64, i64 } %t748, ptr %a749
-  store { ptr, i64, i64 } { ptr @.str.4711, i64 0, i64 0 }, ptr %a750
-  %t751 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 0
-  %t752 = getelementptr inbounds %S.gen.Abi, ptr %t751, i32 0, i32 0
-  %t753 = load { ptr, i64, i64 }, ptr %t752
-  store { ptr, i64, i64 } %t753, ptr %a754
-  store { ptr, i64, i64 } { ptr @.str.4712, i64 6, i64 0 }, ptr %a755
-  %t756 = call i32 @finch_str_eq(ptr %a754, ptr %a755)
-  %t757 = icmp ne i32 %t756, 0
-  br i1 %t757, label %then7264, label %endif7266
-then7264:
-  %t758 = load ptr, ptr %a1
-  %t759 = load %S.ast.Type, ptr %a192
-  %t760 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t758, %S.ast.Type %t759)
-  store { ptr, i64, i64 } %t760, ptr %a750
-  br label %endif7266
-endif7266:
-  store { ptr, i64, i64 } { ptr @.str.4713, i64 0, i64 0 }, ptr %a761
-  %t762 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
-  %t763 = load i1, ptr %t762
-  br i1 %t763, label %then7267, label %endif7269
-then7267:
-  store { ptr, i64, i64 } { ptr @.str.4714, i64 5, i64 0 }, ptr %a761
-  %t764 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t765 = load i64, ptr %t764
-  %t766 = icmp eq i64 %t765, 0
-  br i1 %t766, label %then7270, label %endif7272
-then7270:
-  store { ptr, i64, i64 } { ptr @.str.4715, i64 3, i64 0 }, ptr %a761
-  br label %endif7272
-endif7272:
-  br label %endif7269
-endif7269:
-  %t767 = load ptr, ptr %a1
-  %t768 = icmp eq ptr %t767, null
-  br i1 %t768, label %panic7273, label %ok7274
-panic7273:
-  call void @finch_panic(ptr @.str.4716, i64 4250, ptr @.str.4717)
+inrange7609:
+  %t692 = extractvalue { ptr, i64, i64 } %t689, 0
+  %t693 = getelementptr inbounds %S.ast.Node, ptr %t692, i64 %t688
+  %t694 = load %S.ast.Node, ptr %t693
+  %t695 = call %S.gen.Val @finch.gen.expr(ptr %t686, %S.ast.Node %t694)
+  store %S.gen.Val %t695, ptr %a696
+  %t697 = getelementptr inbounds %S.gen.Val, ptr %a696, i32 0, i32 1
+  %t698 = load %S.ast.Type, ptr %t697
+  store %S.ast.Type %t698, ptr %a699
+  call void @finch.copy.S_ast_Type(ptr %a700, ptr %a699)
+  %t701 = load %S.ast.Type, ptr %a700
+  store %S.ast.Type %t701, ptr %a702
+  %t703 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t704 = load { ptr, i64, i64 }, ptr %t703
+  store { ptr, i64, i64 } %t704, ptr %a705
+  store { ptr, i64, i64 } { ptr @.str.4866, i64 4, i64 0 }, ptr %a706
+  %t707 = call i32 @finch_str_eq(ptr %a705, ptr %a706)
+  %t708 = icmp ne i32 %t707, 0
+  br i1 %t708, label %then7610, label %endif7612
+then7610:
+  %t709 = load ptr, ptr %a1
+  %t710 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t711 = load i64, ptr %a327
+  %t712 = load { ptr, i64, i64 }, ptr %t710
+  %t713 = extractvalue { ptr, i64, i64 } %t712, 1
+  %t714 = icmp uge i64 %t711, %t713
+  br i1 %t714, label %range7613, label %inrange7614
+range7613:
+  call void @finch_panic_index(ptr @.str.4867, i64 4507, i64 %t711, i64 %t713)
   unreachable
-ok7274:
-  %t769 = getelementptr inbounds %S.gen.Gen, ptr %t767, i32 0, i32 38
-  %t770 = getelementptr inbounds { ptr, i64, i64 }, ptr %t769, i32 0, i32 1
-  %t771 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t772 = load { ptr, i64, i64 }, ptr %t771
-  store { ptr, i64, i64 } { ptr @.str.4718, i64 2, i64 0 }, ptr %a774
-  store { ptr, i64, i64 } %t772, ptr %a775
-  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
-  %t776 = load { ptr, i64, i64 }, ptr %a773
-  store i64 -1, ptr %a777
-  %t778 = load i64, ptr %t770
-  %t779 = load ptr, ptr %t769
-  store i64 0, ptr %a780
-  br label %find.cond7275
-find.cond7275:
-  %t781 = load i64, ptr %a780
-  %t782 = icmp slt i64 %t781, %t778
-  br i1 %t782, label %find.body7276, label %find.end7279
-find.body7276:
-  %t783 = getelementptr inbounds { ptr, i64, i64 }, ptr %t779, i64 %t781
-  %t784 = load { ptr, i64, i64 }, ptr %t783
-  store { ptr, i64, i64 } %t784, ptr %a785
-  store { ptr, i64, i64 } %t776, ptr %a786
-  %t787 = call i32 @finch_str_eq(ptr %a785, ptr %a786)
-  %t788 = icmp ne i32 %t787, 0
-  br i1 %t788, label %find.hit7277, label %find.next7278
-find.hit7277:
-  store i64 %t781, ptr %a777
-  br label %find.end7279
-find.next7278:
-  %t789 = add i64 %t781, 1
-  store i64 %t789, ptr %a780
-  br label %find.cond7275
-find.end7279:
-  %t790 = load i64, ptr %a777
-  %t791 = icmp sge i64 %t790, 0
-  %t792 = xor i1 %t791, true
-  br i1 %t792, label %then7280, label %endif7282
-then7280:
-  %t793 = load ptr, ptr %a1
-  %t794 = icmp eq ptr %t793, null
-  br i1 %t794, label %panic7283, label %ok7284
-panic7283:
-  call void @finch_panic(ptr @.str.4719, i64 4251, ptr @.str.4720)
+inrange7614:
+  %t715 = extractvalue { ptr, i64, i64 } %t712, 0
+  %t716 = getelementptr inbounds %S.ast.Node, ptr %t715, i64 %t711
+  %t717 = load %S.ast.Node, ptr %t716
+  call void @finch.gen.fail(ptr %t709, %S.ast.Node %t717, { ptr, i64, i64 } { ptr @.str.4868, i64 23, i64 0 })
+  br label %endif7612
+endif7612:
+  %t718 = getelementptr inbounds { ptr, i64, i64 }, ptr %a317, i32 0, i32 1
+  %t719 = load %S.gen.Val, ptr %a696
+  store %S.gen.Val %t719, ptr %a720
+  call void @finch.copy.S_gen_Val(ptr %a721, ptr %a720)
+  %t722 = load %S.gen.Val, ptr %a721
+  %t723 = load i64, ptr %t718
+  %t724 = add i64 %t723, 1
+  call void @finch_arr_reserve(ptr %a317, i64 %t724, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t725 = load ptr, ptr %a317
+  %t726 = getelementptr inbounds %S.gen.Val, ptr %t725, i64 %t723
+  store %S.gen.Val %t722, ptr %t726
+  store i64 %t724, ptr %t718
+  %t727 = load ptr, ptr %a1
+  %t728 = load %S.gen.Val, ptr %a696
+  call void @finch.gen.hold(ptr %t727, %S.gen.Val %t728)
+  %t729 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t730 = load { ptr, i64, i64 }, ptr %t729
+  store { ptr, i64, i64 } %t730, ptr %a731
+  store { ptr, i64, i64 } { ptr @.str.4869, i64 6, i64 0 }, ptr %a732
+  %t733 = call i32 @finch_str_eq(ptr %a731, ptr %a732)
+  %t734 = icmp ne i32 %t733, 0
+  br label %logic.from7615
+logic.from7615:
+  br i1 %t734, label %logic.end7617, label %logic.rhs7616
+logic.rhs7616:
+  %t735 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t736 = load { ptr, i64, i64 }, ptr %t735
+  store { ptr, i64, i64 } %t736, ptr %a737
+  store { ptr, i64, i64 } { ptr @.str.4870, i64 5, i64 0 }, ptr %a738
+  %t739 = call i32 @finch_str_eq(ptr %a737, ptr %a738)
+  %t740 = icmp ne i32 %t739, 0
+  br label %logic.rend7618
+logic.rend7618:
+  br label %logic.end7617
+logic.end7617:
+  %t741 = phi i1 [ true, %logic.from7615 ], [ %t740, %logic.rend7618 ]
+  br i1 %t741, label %then7619, label %endif7621
+then7619:
+  %t742 = load ptr, ptr %a1
+  %t743 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t744 = load i64, ptr %a327
+  %t745 = load { ptr, i64, i64 }, ptr %t743
+  %t746 = extractvalue { ptr, i64, i64 } %t745, 1
+  %t747 = icmp uge i64 %t744, %t746
+  br i1 %t747, label %range7622, label %inrange7623
+range7622:
+  call void @finch_panic_index(ptr @.str.4871, i64 4512, i64 %t744, i64 %t746)
   unreachable
-ok7284:
-  %t795 = getelementptr inbounds %S.gen.Gen, ptr %t793, i32 0, i32 38
-  %t796 = getelementptr inbounds { ptr, i64, i64 }, ptr %t795, i32 0, i32 1
-  %t797 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t798 = load { ptr, i64, i64 }, ptr %t797
-  store { ptr, i64, i64 } { ptr @.str.4721, i64 2, i64 0 }, ptr %a800
-  store { ptr, i64, i64 } %t798, ptr %a801
-  call void @finch_str_concat(ptr %a799, ptr %a800, ptr %a801)
-  %t802 = load { ptr, i64, i64 }, ptr %a799
-  %t803 = load i64, ptr %t796
-  %t804 = add i64 %t803, 1
-  call void @finch_arr_reserve(ptr %t795, i64 %t804, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t805 = load ptr, ptr %t795
-  %t806 = getelementptr inbounds { ptr, i64, i64 }, ptr %t805, i64 %t803
-  store { ptr, i64, i64 } %t802, ptr %t806
-  store i64 %t804, ptr %t796
-  %t807 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t808 = load { ptr, i64, i64 }, ptr %t807
-  %t809 = call i1 @finch.gen.runtimeDeclares({ ptr, i64, i64 } %t808)
-  %t810 = xor i1 %t809, true
-  br i1 %t810, label %then7285, label %endif7287
-then7285:
-  %t811 = load ptr, ptr %a1
-  %t812 = icmp eq ptr %t811, null
-  br i1 %t812, label %panic7288, label %ok7289
-panic7288:
-  call void @finch_panic(ptr @.str.4722, i64 4253, ptr @.str.4723)
-  unreachable
-ok7289:
-  %t813 = getelementptr inbounds %S.gen.Gen, ptr %t811, i32 0, i32 2
-  %t814 = getelementptr inbounds { ptr, i64, i64 }, ptr %t813, i32 0, i32 1
-  %t815 = load { ptr, i64, i64 }, ptr %a750
-  store { ptr, i64, i64 } { ptr @.str.4724, i64 7, i64 0 }, ptr %a817
-  store { ptr, i64, i64 } %t815, ptr %a818
-  call void @finch_str_concat(ptr %a816, ptr %a817, ptr %a818)
-  %t819 = load { ptr, i64, i64 }, ptr %a816
-  store { ptr, i64, i64 } %t819, ptr %a821
-  store { ptr, i64, i64 } { ptr @.str.4725, i64 1, i64 0 }, ptr %a822
-  call void @finch_str_concat(ptr %a820, ptr %a821, ptr %a822)
-  %t823 = load { ptr, i64, i64 }, ptr %a820
-  %t824 = load { ptr, i64, i64 }, ptr %a749
-  store { ptr, i64, i64 } %t823, ptr %a826
-  store { ptr, i64, i64 } %t824, ptr %a827
-  call void @finch_str_concat(ptr %a825, ptr %a826, ptr %a827)
-  %t828 = load { ptr, i64, i64 }, ptr %a825
-  store { ptr, i64, i64 } %t828, ptr %a830
-  store { ptr, i64, i64 } { ptr @.str.4726, i64 2, i64 0 }, ptr %a831
-  call void @finch_str_concat(ptr %a829, ptr %a830, ptr %a831)
-  %t832 = load { ptr, i64, i64 }, ptr %a829
-  %t833 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t834 = load { ptr, i64, i64 }, ptr %t833
-  store { ptr, i64, i64 } %t832, ptr %a836
-  store { ptr, i64, i64 } %t834, ptr %a837
-  call void @finch_str_concat(ptr %a835, ptr %a836, ptr %a837)
-  %t838 = load { ptr, i64, i64 }, ptr %a835
-  store { ptr, i64, i64 } %t838, ptr %a840
-  store { ptr, i64, i64 } { ptr @.str.4727, i64 1, i64 0 }, ptr %a841
-  call void @finch_str_concat(ptr %a839, ptr %a840, ptr %a841)
-  %t842 = load { ptr, i64, i64 }, ptr %a839
-  %t843 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4728, i64 2, i64 0 }, ptr %a844
-  call void @finch_str_join(ptr %a845, ptr %a235, ptr %a844)
-  %t846 = load { ptr, i64, i64 }, ptr %a845
-  store { ptr, i64, i64 } %t842, ptr %a848
+inrange7623:
+  %t748 = extractvalue { ptr, i64, i64 } %t745, 0
+  %t749 = getelementptr inbounds %S.ast.Node, ptr %t748, i64 %t744
+  %t750 = load %S.ast.Node, ptr %t749
+  call void @finch.gen.fail(ptr %t742, %S.ast.Node %t750, { ptr, i64, i64 } { ptr @.str.4872, i64 68, i64 0 })
+  br label %endif7621
+endif7621:
+  %t751 = getelementptr inbounds %S.gen.Val, ptr %a696, i32 0, i32 0
+  %t752 = load { ptr, i64, i64 }, ptr %t751
+  store { ptr, i64, i64 } %t752, ptr %a753
+  call void @finch_str_copy(ptr %a754, ptr %a753)
+  %t755 = load { ptr, i64, i64 }, ptr %a754
+  store { ptr, i64, i64 } %t755, ptr %a756
+  %t757 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t758 = load { ptr, i64, i64 }, ptr %t757
+  store { ptr, i64, i64 } %t758, ptr %a759
+  store { ptr, i64, i64 } { ptr @.str.4873, i64 3, i64 0 }, ptr %a760
+  %t761 = call i32 @finch_str_eq(ptr %a759, ptr %a760)
+  %t762 = icmp ne i32 %t761, 0
+  br i1 %t762, label %then7624, label %else7625
+then7624:
+  %t763 = load ptr, ptr %a1
+  %t764 = load { ptr, i64, i64 }, ptr %a756
+  %t765 = load %S.ast.Type, ptr %a702
+  %t766 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4874, i64 5, i64 0 })
+  %t767 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t763, { ptr, i64, i64 } %t764, %S.ast.Type %t765, %S.ast.Type %t766)
+  store %S.ast.Type %t766, ptr %a768
+  call void @finch.drop.S_ast_Type(ptr %a768)
+  %t769 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t767, ptr %a756
+  store { ptr, i64, i64 } %t769, ptr %a770
+  call void @finch_str_drop(ptr %a770)
+  %t771 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4875, i64 5, i64 0 })
+  %t772 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t771, ptr %a702
+  store %S.ast.Type %t772, ptr %a773
+  call void @finch.drop.S_ast_Type(ptr %a773)
+  br label %endif7626
+else7625:
+  %t774 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t775 = load { ptr, i64, i64 }, ptr %t774
+  store { ptr, i64, i64 } %t775, ptr %a776
+  store { ptr, i64, i64 } { ptr @.str.4876, i64 3, i64 0 }, ptr %a777
+  %t778 = call i32 @finch_str_eq(ptr %a776, ptr %a777)
+  %t779 = icmp ne i32 %t778, 0
+  br i1 %t779, label %then7627, label %else7628
+then7627:
+  %t780 = load ptr, ptr %a1
+  %t781 = load { ptr, i64, i64 }, ptr %a756
+  %t782 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t780, { ptr, i64, i64 } %t781)
+  %t783 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t782, ptr %a756
+  store { ptr, i64, i64 } %t783, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4877, i64 3, i64 0 })
+  %t786 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t785, ptr %a702
+  store %S.ast.Type %t786, ptr %a787
+  call void @finch.drop.S_ast_Type(ptr %a787)
+  br label %endif7629
+else7628:
+  %t788 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t789 = load { ptr, i64, i64 }, ptr %t788
+  store { ptr, i64, i64 } %t789, ptr %a790
+  store { ptr, i64, i64 } { ptr @.str.4878, i64 4, i64 0 }, ptr %a791
+  %t792 = call i32 @finch_str_eq(ptr %a790, ptr %a791)
+  %t793 = icmp ne i32 %t792, 0
+  br i1 %t793, label %then7630, label %else7631
+then7630:
+  %t794 = load ptr, ptr %a1
+  %t795 = getelementptr inbounds %S.gen.Val, ptr %a696, i32 0, i32 0
+  %t796 = load { ptr, i64, i64 }, ptr %t795
+  store { ptr, i64, i64 } { ptr @.str.4879, i64 8, i64 0 }, ptr %a798
+  store { ptr, i64, i64 } %t796, ptr %a799
+  call void @finch_str_concat(ptr %a797, ptr %a798, ptr %a799)
+  %t800 = load { ptr, i64, i64 }, ptr %a797
+  store { ptr, i64, i64 } %t800, ptr %a802
+  store { ptr, i64, i64 } { ptr @.str.4880, i64 7, i64 0 }, ptr %a803
+  call void @finch_str_concat(ptr %a801, ptr %a802, ptr %a803)
+  store { ptr, i64, i64 } %t800, ptr %a804
+  call void @finch_str_drop(ptr %a804)
+  %t805 = load { ptr, i64, i64 }, ptr %a801
+  %t806 = call { ptr, i64, i64 } @finch.gen.op(ptr %t794, { ptr, i64, i64 } %t805)
+  store { ptr, i64, i64 } %t805, ptr %a807
+  call void @finch_str_drop(ptr %a807)
+  %t808 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t806, ptr %a756
+  store { ptr, i64, i64 } %t808, ptr %a809
+  call void @finch_str_drop(ptr %a809)
+  %t810 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4881, i64 3, i64 0 })
+  %t811 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t810, ptr %a702
+  store %S.ast.Type %t811, ptr %a812
+  call void @finch.drop.S_ast_Type(ptr %a812)
+  br label %endif7632
+else7631:
+  %t813 = load %S.ast.Type, ptr %a702
+  %t814 = call i1 @finch.gen.isInt(%S.ast.Type %t813)
+  br label %logic.from7633
+logic.from7633:
+  br i1 %t814, label %logic.end7635, label %logic.rhs7634
+logic.rhs7634:
+  %t815 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t816 = load { ptr, i64, i64 }, ptr %t815
+  store { ptr, i64, i64 } %t816, ptr %a817
+  store { ptr, i64, i64 } { ptr @.str.4882, i64 4, i64 0 }, ptr %a818
+  %t819 = call i32 @finch_str_eq(ptr %a817, ptr %a818)
+  %t820 = icmp ne i32 %t819, 0
+  br label %logic.rend7636
+logic.rend7636:
+  br label %logic.end7635
+logic.end7635:
+  %t821 = phi i1 [ true, %logic.from7633 ], [ %t820, %logic.rend7636 ]
+  br label %logic.from7637
+logic.from7637:
+  br i1 %t821, label %logic.rhs7638, label %logic.end7639
+logic.rhs7638:
+  %t822 = load %S.ast.Type, ptr %a702
+  %t823 = call i64 @finch.gen.bitsOf(%S.ast.Type %t822)
+  %t824 = icmp slt i64 %t823, 32
+  br label %logic.rend7640
+logic.rend7640:
+  br label %logic.end7639
+logic.end7639:
+  %t825 = phi i1 [ false, %logic.from7637 ], [ %t824, %logic.rend7640 ]
+  br i1 %t825, label %then7641, label %endif7643
+then7641:
+  %t826 = load ptr, ptr %a1
+  %t827 = load { ptr, i64, i64 }, ptr %a756
+  %t828 = load %S.ast.Type, ptr %a702
+  %t829 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4883, i64 3, i64 0 })
+  %t830 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t826, { ptr, i64, i64 } %t827, %S.ast.Type %t828, %S.ast.Type %t829)
+  store %S.ast.Type %t829, ptr %a831
+  call void @finch.drop.S_ast_Type(ptr %a831)
+  %t832 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t830, ptr %a756
+  store { ptr, i64, i64 } %t832, ptr %a833
+  call void @finch_str_drop(ptr %a833)
+  %t834 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4884, i64 3, i64 0 })
+  %t835 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t834, ptr %a702
+  store %S.ast.Type %t835, ptr %a836
+  call void @finch.drop.S_ast_Type(ptr %a836)
+  br label %endif7643
+endif7643:
+  br label %endif7632
+endif7632:
+  br label %endif7629
+endif7629:
+  br label %endif7626
+endif7626:
+  %t837 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t838 = load ptr, ptr %a1
+  %t839 = load %S.ast.Type, ptr %a702
+  %t840 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t838, %S.ast.Type %t839)
+  store { ptr, i64, i64 } %t840, ptr %a842
+  store { ptr, i64, i64 } { ptr @.str.4885, i64 1, i64 0 }, ptr %a843
+  call void @finch_str_concat(ptr %a841, ptr %a842, ptr %a843)
+  store { ptr, i64, i64 } %t840, ptr %a844
+  call void @finch_str_drop(ptr %a844)
+  %t845 = load { ptr, i64, i64 }, ptr %a841
+  %t846 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t845, ptr %a848
   store { ptr, i64, i64 } %t846, ptr %a849
   call void @finch_str_concat(ptr %a847, ptr %a848, ptr %a849)
-  %t850 = load { ptr, i64, i64 }, ptr %a847
-  %t851 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t850, ptr %a853
-  store { ptr, i64, i64 } %t851, ptr %a854
-  call void @finch_str_concat(ptr %a852, ptr %a853, ptr %a854)
-  %t855 = load { ptr, i64, i64 }, ptr %a852
-  store { ptr, i64, i64 } %t855, ptr %a857
-  store { ptr, i64, i64 } { ptr @.str.4729, i64 1, i64 0 }, ptr %a858
-  call void @finch_str_concat(ptr %a856, ptr %a857, ptr %a858)
-  %t859 = load { ptr, i64, i64 }, ptr %a856
-  %t860 = load i64, ptr %t814
-  %t861 = add i64 %t860, 1
-  call void @finch_arr_reserve(ptr %t813, i64 %t861, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t862 = load ptr, ptr %t813
-  %t863 = getelementptr inbounds { ptr, i64, i64 }, ptr %t862, i64 %t860
-  store { ptr, i64, i64 } %t859, ptr %t863
-  store i64 %t861, ptr %t814
-  br label %endif7287
-endif7287:
-  br label %endif7282
-endif7282:
-  store { ptr, i64, i64 } { ptr @.str.4730, i64 0, i64 0 }, ptr %a864
-  %t865 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
-  %t866 = load i1, ptr %t865
-  br i1 %t866, label %then7290, label %endif7292
-then7290:
-  %t867 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4732, i64 2, i64 0 }, ptr %a868
-  call void @finch_str_join(ptr %a869, ptr %a235, ptr %a868)
-  %t870 = load { ptr, i64, i64 }, ptr %a869
-  store { ptr, i64, i64 } { ptr @.str.4731, i64 2, i64 0 }, ptr %a872
-  store { ptr, i64, i64 } %t870, ptr %a873
-  call void @finch_str_concat(ptr %a871, ptr %a872, ptr %a873)
-  %t874 = load { ptr, i64, i64 }, ptr %a871
-  %t875 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t874, ptr %a877
-  store { ptr, i64, i64 } %t875, ptr %a878
-  call void @finch_str_concat(ptr %a876, ptr %a877, ptr %a878)
-  %t879 = load { ptr, i64, i64 }, ptr %a876
-  store { ptr, i64, i64 } %t879, ptr %a881
-  store { ptr, i64, i64 } { ptr @.str.4733, i64 1, i64 0 }, ptr %a882
-  call void @finch_str_concat(ptr %a880, ptr %a881, ptr %a882)
-  %t883 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } %t883, ptr %a864
-  br label %endif7292
-endif7292:
-  %t884 = load { ptr, i64, i64 }, ptr %a750
-  store { ptr, i64, i64 } { ptr @.str.4734, i64 4, i64 0 }, ptr %a886
-  store { ptr, i64, i64 } %t884, ptr %a887
-  call void @finch_str_concat(ptr %a885, ptr %a886, ptr %a887)
-  %t888 = load { ptr, i64, i64 }, ptr %a885
-  store { ptr, i64, i64 } %t888, ptr %a890
-  store { ptr, i64, i64 } { ptr @.str.4735, i64 1, i64 0 }, ptr %a891
-  call void @finch_str_concat(ptr %a889, ptr %a890, ptr %a891)
-  %t892 = load { ptr, i64, i64 }, ptr %a889
-  %t893 = load { ptr, i64, i64 }, ptr %a749
+  store { ptr, i64, i64 } %t845, ptr %a850
+  call void @finch_str_drop(ptr %a850)
+  %t851 = load { ptr, i64, i64 }, ptr %a847
+  %t852 = load i64, ptr %t837
+  %t853 = add i64 %t852, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t853, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t854 = load ptr, ptr %a263
+  %t855 = getelementptr inbounds { ptr, i64, i64 }, ptr %t854, i64 %t852
+  store { ptr, i64, i64 } %t851, ptr %t855
+  store i64 %t853, ptr %t837
+  call void @finch_str_drop(ptr %a756)
+  call void @finch.drop.S_ast_Type(ptr %a702)
+  call void @finch.drop.S_gen_Val(ptr %a696)
+  br label %for.step7573
+for.step7573:
+  %t856 = load i64, ptr %a327
+  %t857 = add i64 %t856, 1
+  store i64 %t857, ptr %a327
+  br label %for.cond7571
+for.end7574:
+  %t858 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 2
+  %t859 = load { ptr, i64, i64 }, ptr %t858
+  store { ptr, i64, i64 } %t859, ptr %a860
+  call void @finch_str_copy(ptr %a861, ptr %a860)
+  %t862 = load { ptr, i64, i64 }, ptr %a861
+  store { ptr, i64, i64 } %t862, ptr %a863
+  store { ptr, i64, i64 } { ptr @.str.4886, i64 0, i64 0 }, ptr %a864
+  %t865 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 0
+  %t866 = getelementptr inbounds %S.gen.Abi, ptr %t865, i32 0, i32 0
+  %t867 = load { ptr, i64, i64 }, ptr %t866
+  store { ptr, i64, i64 } %t867, ptr %a868
+  store { ptr, i64, i64 } { ptr @.str.4887, i64 6, i64 0 }, ptr %a869
+  %t870 = call i32 @finch_str_eq(ptr %a868, ptr %a869)
+  %t871 = icmp ne i32 %t870, 0
+  br i1 %t871, label %then7644, label %endif7646
+then7644:
+  %t872 = load ptr, ptr %a1
+  %t873 = load %S.ast.Type, ptr %a219
+  %t874 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t872, %S.ast.Type %t873)
+  %t875 = load { ptr, i64, i64 }, ptr %a864
+  store { ptr, i64, i64 } %t874, ptr %a864
+  store { ptr, i64, i64 } %t875, ptr %a876
+  call void @finch_str_drop(ptr %a876)
+  br label %endif7646
+endif7646:
+  store { ptr, i64, i64 } { ptr @.str.4888, i64 0, i64 0 }, ptr %a877
+  %t878 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
+  %t879 = load i1, ptr %t878
+  br i1 %t879, label %then7647, label %endif7649
+then7647:
+  %t880 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } { ptr @.str.4889, i64 5, i64 0 }, ptr %a877
+  store { ptr, i64, i64 } %t880, ptr %a881
+  call void @finch_str_drop(ptr %a881)
+  %t882 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t883 = load i64, ptr %t882
+  %t884 = icmp eq i64 %t883, 0
+  br i1 %t884, label %then7650, label %endif7652
+then7650:
+  %t885 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } { ptr @.str.4890, i64 3, i64 0 }, ptr %a877
+  store { ptr, i64, i64 } %t885, ptr %a886
+  call void @finch_str_drop(ptr %a886)
+  br label %endif7652
+endif7652:
+  br label %endif7649
+endif7649:
+  %t887 = load ptr, ptr %a1
+  %t888 = icmp eq ptr %t887, null
+  br i1 %t888, label %panic7653, label %ok7654
+panic7653:
+  call void @finch_panic(ptr @.str.4891, i64 4543, ptr @.str.4892)
+  unreachable
+ok7654:
+  %t889 = getelementptr inbounds %S.gen.Gen, ptr %t887, i32 0, i32 39
+  %t890 = getelementptr inbounds { ptr, i64, i64 }, ptr %t889, i32 0, i32 1
+  %t891 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t892 = load { ptr, i64, i64 }, ptr %t891
+  store { ptr, i64, i64 } { ptr @.str.4893, i64 2, i64 0 }, ptr %a894
   store { ptr, i64, i64 } %t892, ptr %a895
-  store { ptr, i64, i64 } %t893, ptr %a896
-  call void @finch_str_concat(ptr %a894, ptr %a895, ptr %a896)
-  %t897 = load { ptr, i64, i64 }, ptr %a894
-  %t898 = load { ptr, i64, i64 }, ptr %a864
-  store { ptr, i64, i64 } %t897, ptr %a900
-  store { ptr, i64, i64 } %t898, ptr %a901
-  call void @finch_str_concat(ptr %a899, ptr %a900, ptr %a901)
-  %t902 = load { ptr, i64, i64 }, ptr %a899
-  store { ptr, i64, i64 } %t902, ptr %a904
-  store { ptr, i64, i64 } { ptr @.str.4736, i64 2, i64 0 }, ptr %a905
-  call void @finch_str_concat(ptr %a903, ptr %a904, ptr %a905)
-  %t906 = load { ptr, i64, i64 }, ptr %a903
-  %t907 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t908 = load { ptr, i64, i64 }, ptr %t907
-  store { ptr, i64, i64 } %t906, ptr %a910
-  store { ptr, i64, i64 } %t908, ptr %a911
-  call void @finch_str_concat(ptr %a909, ptr %a910, ptr %a911)
-  %t912 = load { ptr, i64, i64 }, ptr %a909
-  store { ptr, i64, i64 } %t912, ptr %a914
-  store { ptr, i64, i64 } { ptr @.str.4737, i64 1, i64 0 }, ptr %a915
-  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
-  %t916 = load { ptr, i64, i64 }, ptr %a913
-  %t917 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4738, i64 2, i64 0 }, ptr %a918
-  call void @finch_str_join(ptr %a919, ptr %a236, ptr %a918)
-  %t920 = load { ptr, i64, i64 }, ptr %a919
-  store { ptr, i64, i64 } %t916, ptr %a922
-  store { ptr, i64, i64 } %t920, ptr %a923
-  call void @finch_str_concat(ptr %a921, ptr %a922, ptr %a923)
-  %t924 = load { ptr, i64, i64 }, ptr %a921
-  store { ptr, i64, i64 } %t924, ptr %a926
-  store { ptr, i64, i64 } { ptr @.str.4739, i64 1, i64 0 }, ptr %a927
-  call void @finch_str_concat(ptr %a925, ptr %a926, ptr %a927)
-  %t928 = load { ptr, i64, i64 }, ptr %a925
-  store { ptr, i64, i64 } %t928, ptr %a929
-  %t930 = getelementptr inbounds %S.ast.Type, ptr %a192, i32 0, i32 0
-  %t931 = load { ptr, i64, i64 }, ptr %t930
-  store { ptr, i64, i64 } %t931, ptr %a932
-  store { ptr, i64, i64 } { ptr @.str.4740, i64 4, i64 0 }, ptr %a933
-  %t934 = call i32 @finch_str_eq(ptr %a932, ptr %a933)
-  %t935 = icmp ne i32 %t934, 0
-  br i1 %t935, label %then7293, label %endif7295
-then7293:
-  %t936 = load ptr, ptr %a1
-  %t937 = load { ptr, i64, i64 }, ptr %a929
-  call void @finch.gen.emit(ptr %t936, { ptr, i64, i64 } %t937)
-  %t938 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t938, ptr %a939
-  call void @finch.copy.S_ast_Type(ptr %a940, ptr %a939)
-  %t941 = load %S.ast.Type, ptr %a940
-  %t942 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t941, 1
-  ret %S.gen.Val %t942
-endif7295:
-  %t943 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 3
-  %t944 = load i1, ptr %t943
-  br i1 %t944, label %then7296, label %endif7298
-then7296:
-  %t945 = load ptr, ptr %a1
-  %t946 = load { ptr, i64, i64 }, ptr %a929
-  call void @finch.gen.emit(ptr %t945, { ptr, i64, i64 } %t946)
-  %t947 = load ptr, ptr %a1
-  %t948 = load ptr, ptr %a1
-  %t949 = load %S.ast.Type, ptr %a192
-  %t950 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t948, %S.ast.Type %t949)
-  %t951 = load { ptr, i64, i64 }, ptr %a237
-  %t952 = call { ptr, i64, i64 } @finch.gen.load(ptr %t947, { ptr, i64, i64 } %t950, { ptr, i64, i64 } %t951)
-  %t953 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t952, 0
-  %t954 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t954, ptr %a955
-  call void @finch.copy.S_ast_Type(ptr %a956, ptr %a955)
-  %t957 = load %S.ast.Type, ptr %a956
-  %t958 = insertvalue %S.gen.Val %t953, %S.ast.Type %t957, 1
-  ret %S.gen.Val %t958
-endif7298:
-  %t959 = load ptr, ptr %a1
-  %t960 = load { ptr, i64, i64 }, ptr %a929
-  %t961 = call { ptr, i64, i64 } @finch.gen.op(ptr %t959, { ptr, i64, i64 } %t960)
-  store { ptr, i64, i64 } %t961, ptr %a962
-  %t963 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 0
-  %t964 = getelementptr inbounds %S.gen.Abi, ptr %t963, i32 0, i32 0
-  %t965 = load { ptr, i64, i64 }, ptr %t964
-  store { ptr, i64, i64 } %t965, ptr %a966
-  store { ptr, i64, i64 } { ptr @.str.4741, i64 6, i64 0 }, ptr %a967
-  %t968 = call i32 @finch_str_eq(ptr %a966, ptr %a967)
-  %t969 = icmp ne i32 %t968, 0
-  br i1 %t969, label %then7299, label %endif7301
-then7299:
-  %t970 = load ptr, ptr %a1
-  %t971 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t970, { ptr, i64, i64 } { ptr @.str.4742, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t971, ptr %a972
-  %t973 = load ptr, ptr %a1
-  %t974 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 0
-  %t975 = getelementptr inbounds %S.gen.Abi, ptr %t974, i32 0, i32 2
-  %t976 = load { ptr, i64, i64 }, ptr %t975
-  %t977 = load { ptr, i64, i64 }, ptr %a962
-  %t978 = load { ptr, i64, i64 }, ptr %a972
-  call void @finch.gen.store(ptr %t973, { ptr, i64, i64 } %t976, { ptr, i64, i64 } %t977, { ptr, i64, i64 } %t978)
-  %t979 = load ptr, ptr %a1
-  %t980 = load ptr, ptr %a1
-  %t981 = load %S.ast.Type, ptr %a192
-  %t982 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t980, %S.ast.Type %t981)
-  %t983 = load { ptr, i64, i64 }, ptr %a972
-  %t984 = call { ptr, i64, i64 } @finch.gen.load(ptr %t979, { ptr, i64, i64 } %t982, { ptr, i64, i64 } %t983)
-  %t985 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t984, 0
-  %t986 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t986, ptr %a987
-  call void @finch.copy.S_ast_Type(ptr %a988, ptr %a987)
-  %t989 = load %S.ast.Type, ptr %a988
-  %t990 = insertvalue %S.gen.Val %t985, %S.ast.Type %t989, 1
-  ret %S.gen.Val %t990
-endif7301:
-  %t991 = getelementptr inbounds %S.ast.Type, ptr %a192, i32 0, i32 0
-  %t992 = load { ptr, i64, i64 }, ptr %t991
-  store { ptr, i64, i64 } %t992, ptr %a993
-  store { ptr, i64, i64 } { ptr @.str.4743, i64 3, i64 0 }, ptr %a994
-  %t995 = call i32 @finch_str_eq(ptr %a993, ptr %a994)
-  %t996 = icmp ne i32 %t995, 0
-  br i1 %t996, label %then7302, label %endif7304
-then7302:
-  %t997 = load ptr, ptr %a1
-  %t998 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t997)
-  store { ptr, i64, i64 } %t998, ptr %a999
-  %t1000 = load ptr, ptr %a1
-  %t1001 = load { ptr, i64, i64 }, ptr %a999
-  call void @finch.gen.store(ptr %t1000, { ptr, i64, i64 } { ptr @.str.4744, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4745, i64 15, i64 0 }, { ptr, i64, i64 } %t1001)
-  %t1002 = load ptr, ptr %a1
-  %t1003 = load { ptr, i64, i64 }, ptr %a999
-  store { ptr, i64, i64 } { ptr @.str.4746, i64 32, i64 0 }, ptr %a1005
-  store { ptr, i64, i64 } %t1003, ptr %a1006
-  call void @finch_str_concat(ptr %a1004, ptr %a1005, ptr %a1006)
-  %t1007 = load { ptr, i64, i64 }, ptr %a1004
-  store { ptr, i64, i64 } %t1007, ptr %a1009
-  store { ptr, i64, i64 } { ptr @.str.4747, i64 6, i64 0 }, ptr %a1010
-  call void @finch_str_concat(ptr %a1008, ptr %a1009, ptr %a1010)
-  %t1011 = load { ptr, i64, i64 }, ptr %a1008
-  %t1012 = load { ptr, i64, i64 }, ptr %a962
-  store { ptr, i64, i64 } %t1011, ptr %a1014
-  store { ptr, i64, i64 } %t1012, ptr %a1015
-  call void @finch_str_concat(ptr %a1013, ptr %a1014, ptr %a1015)
-  %t1016 = load { ptr, i64, i64 }, ptr %a1013
-  store { ptr, i64, i64 } %t1016, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.4748, i64 1, i64 0 }, ptr %a1019
-  call void @finch_str_concat(ptr %a1017, ptr %a1018, ptr %a1019)
-  %t1020 = load { ptr, i64, i64 }, ptr %a1017
-  call void @finch.gen.emit(ptr %t1002, { ptr, i64, i64 } %t1020)
-  %t1021 = load ptr, ptr %a1
-  %t1022 = load { ptr, i64, i64 }, ptr %a999
-  %t1023 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1021, { ptr, i64, i64 } { ptr @.str.4749, i64 17, i64 0 }, { ptr, i64, i64 } %t1022)
-  %t1024 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1023, 0
-  %t1025 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t1025, ptr %a1026
-  call void @finch.copy.S_ast_Type(ptr %a1027, ptr %a1026)
-  %t1028 = load %S.ast.Type, ptr %a1027
-  %t1029 = insertvalue %S.gen.Val %t1024, %S.ast.Type %t1028, 1
-  ret %S.gen.Val %t1029
-endif7304:
-  %t1030 = load { ptr, i64, i64 }, ptr %a962
-  store { ptr, i64, i64 } %t1030, ptr %a1031
-  call void @finch_str_copy(ptr %a1032, ptr %a1031)
-  %t1033 = load { ptr, i64, i64 }, ptr %a1032
-  %t1034 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1033, 0
-  %t1035 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t1035, ptr %a1036
-  call void @finch.copy.S_ast_Type(ptr %a1037, ptr %a1036)
-  %t1038 = load %S.ast.Type, ptr %a1037
-  %t1039 = insertvalue %S.gen.Val %t1034, %S.ast.Type %t1038, 1
-  ret %S.gen.Val %t1039
+  call void @finch_str_concat(ptr %a893, ptr %a894, ptr %a895)
+  %t896 = load { ptr, i64, i64 }, ptr %a893
+  store i64 -1, ptr %a897
+  %t898 = load i64, ptr %t890
+  %t899 = load ptr, ptr %t889
+  store i64 0, ptr %a900
+  br label %find.cond7655
+find.cond7655:
+  %t901 = load i64, ptr %a900
+  %t902 = icmp slt i64 %t901, %t898
+  br i1 %t902, label %find.body7656, label %find.end7659
+find.body7656:
+  %t903 = getelementptr inbounds { ptr, i64, i64 }, ptr %t899, i64 %t901
+  %t904 = load { ptr, i64, i64 }, ptr %t903
+  store { ptr, i64, i64 } %t904, ptr %a905
+  store { ptr, i64, i64 } %t896, ptr %a906
+  %t907 = call i32 @finch_str_eq(ptr %a905, ptr %a906)
+  %t908 = icmp ne i32 %t907, 0
+  br i1 %t908, label %find.hit7657, label %find.next7658
+find.hit7657:
+  store i64 %t901, ptr %a897
+  br label %find.end7659
+find.next7658:
+  %t909 = add i64 %t901, 1
+  store i64 %t909, ptr %a900
+  br label %find.cond7655
+find.end7659:
+  store { ptr, i64, i64 } %t896, ptr %a910
+  call void @finch_str_drop(ptr %a910)
+  %t911 = load i64, ptr %a897
+  %t912 = icmp sge i64 %t911, 0
+  %t913 = xor i1 %t912, true
+  br i1 %t913, label %then7660, label %endif7662
+then7660:
+  %t914 = load ptr, ptr %a1
+  %t915 = icmp eq ptr %t914, null
+  br i1 %t915, label %panic7663, label %ok7664
+panic7663:
+  call void @finch_panic(ptr @.str.4894, i64 4544, ptr @.str.4895)
+  unreachable
+ok7664:
+  %t916 = getelementptr inbounds %S.gen.Gen, ptr %t914, i32 0, i32 39
+  %t917 = getelementptr inbounds { ptr, i64, i64 }, ptr %t916, i32 0, i32 1
+  %t918 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t919 = load { ptr, i64, i64 }, ptr %t918
+  store { ptr, i64, i64 } { ptr @.str.4896, i64 2, i64 0 }, ptr %a921
+  store { ptr, i64, i64 } %t919, ptr %a922
+  call void @finch_str_concat(ptr %a920, ptr %a921, ptr %a922)
+  %t923 = load { ptr, i64, i64 }, ptr %a920
+  %t924 = load i64, ptr %t917
+  %t925 = add i64 %t924, 1
+  call void @finch_arr_reserve(ptr %t916, i64 %t925, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t926 = load ptr, ptr %t916
+  %t927 = getelementptr inbounds { ptr, i64, i64 }, ptr %t926, i64 %t924
+  store { ptr, i64, i64 } %t923, ptr %t927
+  store i64 %t925, ptr %t917
+  %t928 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t929 = load { ptr, i64, i64 }, ptr %t928
+  %t930 = call i1 @finch.gen.runtimeDeclares({ ptr, i64, i64 } %t929)
+  %t931 = xor i1 %t930, true
+  br i1 %t931, label %then7665, label %endif7667
+then7665:
+  %t932 = load ptr, ptr %a1
+  %t933 = icmp eq ptr %t932, null
+  br i1 %t933, label %panic7668, label %ok7669
+panic7668:
+  call void @finch_panic(ptr @.str.4897, i64 4546, ptr @.str.4898)
+  unreachable
+ok7669:
+  %t934 = getelementptr inbounds %S.gen.Gen, ptr %t932, i32 0, i32 2
+  %t935 = getelementptr inbounds { ptr, i64, i64 }, ptr %t934, i32 0, i32 1
+  %t936 = load { ptr, i64, i64 }, ptr %a864
+  store { ptr, i64, i64 } { ptr @.str.4899, i64 7, i64 0 }, ptr %a938
+  store { ptr, i64, i64 } %t936, ptr %a939
+  call void @finch_str_concat(ptr %a937, ptr %a938, ptr %a939)
+  %t940 = load { ptr, i64, i64 }, ptr %a937
+  store { ptr, i64, i64 } %t940, ptr %a942
+  store { ptr, i64, i64 } { ptr @.str.4900, i64 1, i64 0 }, ptr %a943
+  call void @finch_str_concat(ptr %a941, ptr %a942, ptr %a943)
+  store { ptr, i64, i64 } %t940, ptr %a944
+  call void @finch_str_drop(ptr %a944)
+  %t945 = load { ptr, i64, i64 }, ptr %a941
+  %t946 = load { ptr, i64, i64 }, ptr %a863
+  store { ptr, i64, i64 } %t945, ptr %a948
+  store { ptr, i64, i64 } %t946, ptr %a949
+  call void @finch_str_concat(ptr %a947, ptr %a948, ptr %a949)
+  store { ptr, i64, i64 } %t945, ptr %a950
+  call void @finch_str_drop(ptr %a950)
+  %t951 = load { ptr, i64, i64 }, ptr %a947
+  store { ptr, i64, i64 } %t951, ptr %a953
+  store { ptr, i64, i64 } { ptr @.str.4901, i64 2, i64 0 }, ptr %a954
+  call void @finch_str_concat(ptr %a952, ptr %a953, ptr %a954)
+  store { ptr, i64, i64 } %t951, ptr %a955
+  call void @finch_str_drop(ptr %a955)
+  %t956 = load { ptr, i64, i64 }, ptr %a952
+  %t957 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t958 = load { ptr, i64, i64 }, ptr %t957
+  store { ptr, i64, i64 } %t956, ptr %a960
+  store { ptr, i64, i64 } %t958, ptr %a961
+  call void @finch_str_concat(ptr %a959, ptr %a960, ptr %a961)
+  store { ptr, i64, i64 } %t956, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  %t963 = load { ptr, i64, i64 }, ptr %a959
+  store { ptr, i64, i64 } %t963, ptr %a965
+  store { ptr, i64, i64 } { ptr @.str.4902, i64 1, i64 0 }, ptr %a966
+  call void @finch_str_concat(ptr %a964, ptr %a965, ptr %a966)
+  store { ptr, i64, i64 } %t963, ptr %a967
+  call void @finch_str_drop(ptr %a967)
+  %t968 = load { ptr, i64, i64 }, ptr %a964
+  %t969 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4903, i64 2, i64 0 }, ptr %a970
+  call void @finch_str_join(ptr %a971, ptr %a262, ptr %a970)
+  %t972 = load { ptr, i64, i64 }, ptr %a971
+  store { ptr, i64, i64 } %t968, ptr %a974
+  store { ptr, i64, i64 } %t972, ptr %a975
+  call void @finch_str_concat(ptr %a973, ptr %a974, ptr %a975)
+  store { ptr, i64, i64 } %t968, ptr %a976
+  call void @finch_str_drop(ptr %a976)
+  store { ptr, i64, i64 } %t972, ptr %a977
+  call void @finch_str_drop(ptr %a977)
+  %t978 = load { ptr, i64, i64 }, ptr %a973
+  %t979 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } %t978, ptr %a981
+  store { ptr, i64, i64 } %t979, ptr %a982
+  call void @finch_str_concat(ptr %a980, ptr %a981, ptr %a982)
+  store { ptr, i64, i64 } %t978, ptr %a983
+  call void @finch_str_drop(ptr %a983)
+  %t984 = load { ptr, i64, i64 }, ptr %a980
+  store { ptr, i64, i64 } %t984, ptr %a986
+  store { ptr, i64, i64 } { ptr @.str.4904, i64 1, i64 0 }, ptr %a987
+  call void @finch_str_concat(ptr %a985, ptr %a986, ptr %a987)
+  store { ptr, i64, i64 } %t984, ptr %a988
+  call void @finch_str_drop(ptr %a988)
+  %t989 = load { ptr, i64, i64 }, ptr %a985
+  %t990 = load i64, ptr %t935
+  %t991 = add i64 %t990, 1
+  call void @finch_arr_reserve(ptr %t934, i64 %t991, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t992 = load ptr, ptr %t934
+  %t993 = getelementptr inbounds { ptr, i64, i64 }, ptr %t992, i64 %t990
+  store { ptr, i64, i64 } %t989, ptr %t993
+  store i64 %t991, ptr %t935
+  br label %endif7667
+endif7667:
+  br label %endif7662
+endif7662:
+  store { ptr, i64, i64 } { ptr @.str.4905, i64 0, i64 0 }, ptr %a994
+  %t995 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
+  %t996 = load i1, ptr %t995
+  br i1 %t996, label %then7670, label %endif7672
+then7670:
+  %t997 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4907, i64 2, i64 0 }, ptr %a998
+  call void @finch_str_join(ptr %a999, ptr %a262, ptr %a998)
+  %t1000 = load { ptr, i64, i64 }, ptr %a999
+  store { ptr, i64, i64 } { ptr @.str.4906, i64 2, i64 0 }, ptr %a1002
+  store { ptr, i64, i64 } %t1000, ptr %a1003
+  call void @finch_str_concat(ptr %a1001, ptr %a1002, ptr %a1003)
+  store { ptr, i64, i64 } %t1000, ptr %a1004
+  call void @finch_str_drop(ptr %a1004)
+  %t1005 = load { ptr, i64, i64 }, ptr %a1001
+  %t1006 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } %t1005, ptr %a1008
+  store { ptr, i64, i64 } %t1006, ptr %a1009
+  call void @finch_str_concat(ptr %a1007, ptr %a1008, ptr %a1009)
+  store { ptr, i64, i64 } %t1005, ptr %a1010
+  call void @finch_str_drop(ptr %a1010)
+  %t1011 = load { ptr, i64, i64 }, ptr %a1007
+  store { ptr, i64, i64 } %t1011, ptr %a1013
+  store { ptr, i64, i64 } { ptr @.str.4908, i64 1, i64 0 }, ptr %a1014
+  call void @finch_str_concat(ptr %a1012, ptr %a1013, ptr %a1014)
+  store { ptr, i64, i64 } %t1011, ptr %a1015
+  call void @finch_str_drop(ptr %a1015)
+  %t1016 = load { ptr, i64, i64 }, ptr %a1012
+  %t1017 = load { ptr, i64, i64 }, ptr %a994
+  store { ptr, i64, i64 } %t1016, ptr %a994
+  store { ptr, i64, i64 } %t1017, ptr %a1018
+  call void @finch_str_drop(ptr %a1018)
+  br label %endif7672
+endif7672:
+  %t1019 = load { ptr, i64, i64 }, ptr %a864
+  store { ptr, i64, i64 } { ptr @.str.4909, i64 4, i64 0 }, ptr %a1021
+  store { ptr, i64, i64 } %t1019, ptr %a1022
+  call void @finch_str_concat(ptr %a1020, ptr %a1021, ptr %a1022)
+  %t1023 = load { ptr, i64, i64 }, ptr %a1020
+  store { ptr, i64, i64 } %t1023, ptr %a1025
+  store { ptr, i64, i64 } { ptr @.str.4910, i64 1, i64 0 }, ptr %a1026
+  call void @finch_str_concat(ptr %a1024, ptr %a1025, ptr %a1026)
+  store { ptr, i64, i64 } %t1023, ptr %a1027
+  call void @finch_str_drop(ptr %a1027)
+  %t1028 = load { ptr, i64, i64 }, ptr %a1024
+  %t1029 = load { ptr, i64, i64 }, ptr %a863
+  store { ptr, i64, i64 } %t1028, ptr %a1031
+  store { ptr, i64, i64 } %t1029, ptr %a1032
+  call void @finch_str_concat(ptr %a1030, ptr %a1031, ptr %a1032)
+  store { ptr, i64, i64 } %t1028, ptr %a1033
+  call void @finch_str_drop(ptr %a1033)
+  %t1034 = load { ptr, i64, i64 }, ptr %a1030
+  %t1035 = load { ptr, i64, i64 }, ptr %a994
+  store { ptr, i64, i64 } %t1034, ptr %a1037
+  store { ptr, i64, i64 } %t1035, ptr %a1038
+  call void @finch_str_concat(ptr %a1036, ptr %a1037, ptr %a1038)
+  store { ptr, i64, i64 } %t1034, ptr %a1039
+  call void @finch_str_drop(ptr %a1039)
+  %t1040 = load { ptr, i64, i64 }, ptr %a1036
+  store { ptr, i64, i64 } %t1040, ptr %a1042
+  store { ptr, i64, i64 } { ptr @.str.4911, i64 2, i64 0 }, ptr %a1043
+  call void @finch_str_concat(ptr %a1041, ptr %a1042, ptr %a1043)
+  store { ptr, i64, i64 } %t1040, ptr %a1044
+  call void @finch_str_drop(ptr %a1044)
+  %t1045 = load { ptr, i64, i64 }, ptr %a1041
+  %t1046 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t1047 = load { ptr, i64, i64 }, ptr %t1046
+  store { ptr, i64, i64 } %t1045, ptr %a1049
+  store { ptr, i64, i64 } %t1047, ptr %a1050
+  call void @finch_str_concat(ptr %a1048, ptr %a1049, ptr %a1050)
+  store { ptr, i64, i64 } %t1045, ptr %a1051
+  call void @finch_str_drop(ptr %a1051)
+  %t1052 = load { ptr, i64, i64 }, ptr %a1048
+  store { ptr, i64, i64 } %t1052, ptr %a1054
+  store { ptr, i64, i64 } { ptr @.str.4912, i64 1, i64 0 }, ptr %a1055
+  call void @finch_str_concat(ptr %a1053, ptr %a1054, ptr %a1055)
+  store { ptr, i64, i64 } %t1052, ptr %a1056
+  call void @finch_str_drop(ptr %a1056)
+  %t1057 = load { ptr, i64, i64 }, ptr %a1053
+  %t1058 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4913, i64 2, i64 0 }, ptr %a1059
+  call void @finch_str_join(ptr %a1060, ptr %a263, ptr %a1059)
+  %t1061 = load { ptr, i64, i64 }, ptr %a1060
+  store { ptr, i64, i64 } %t1057, ptr %a1063
+  store { ptr, i64, i64 } %t1061, ptr %a1064
+  call void @finch_str_concat(ptr %a1062, ptr %a1063, ptr %a1064)
+  store { ptr, i64, i64 } %t1057, ptr %a1065
+  call void @finch_str_drop(ptr %a1065)
+  store { ptr, i64, i64 } %t1061, ptr %a1066
+  call void @finch_str_drop(ptr %a1066)
+  %t1067 = load { ptr, i64, i64 }, ptr %a1062
+  store { ptr, i64, i64 } %t1067, ptr %a1069
+  store { ptr, i64, i64 } { ptr @.str.4914, i64 1, i64 0 }, ptr %a1070
+  call void @finch_str_concat(ptr %a1068, ptr %a1069, ptr %a1070)
+  store { ptr, i64, i64 } %t1067, ptr %a1071
+  call void @finch_str_drop(ptr %a1071)
+  %t1072 = load { ptr, i64, i64 }, ptr %a1068
+  store { ptr, i64, i64 } %t1072, ptr %a1073
+  %t1074 = getelementptr inbounds %S.ast.Type, ptr %a219, i32 0, i32 0
+  %t1075 = load { ptr, i64, i64 }, ptr %t1074
+  store { ptr, i64, i64 } %t1075, ptr %a1076
+  store { ptr, i64, i64 } { ptr @.str.4915, i64 4, i64 0 }, ptr %a1077
+  %t1078 = call i32 @finch_str_eq(ptr %a1076, ptr %a1077)
+  %t1079 = icmp ne i32 %t1078, 0
+  br i1 %t1079, label %then7673, label %endif7675
+then7673:
+  %t1080 = load ptr, ptr %a1
+  %t1081 = load { ptr, i64, i64 }, ptr %a1073
+  call void @finch.gen.emit(ptr %t1080, { ptr, i64, i64 } %t1081)
+  %t1082 = load ptr, ptr %a1
+  %t1083 = load { ptr, i64, i64 }, ptr %a317
+  %t1084 = load i64, ptr %a323
+  call void @finch.gen.releaseAll(ptr %t1082, { ptr, i64, i64 } %t1083, i64 %t1084)
+  %t1085 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1085, ptr %a1086
+  call void @finch.copy.S_ast_Type(ptr %a1087, ptr %a1086)
+  %t1088 = load %S.ast.Type, ptr %a1087
+  %t1089 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1088, 1
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1089
+endif7675:
+  %t1090 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 3
+  %t1091 = load i1, ptr %t1090
+  br i1 %t1091, label %then7676, label %endif7678
+then7676:
+  %t1092 = load ptr, ptr %a1
+  %t1093 = load { ptr, i64, i64 }, ptr %a1073
+  call void @finch.gen.emit(ptr %t1092, { ptr, i64, i64 } %t1093)
+  %t1094 = load ptr, ptr %a1
+  %t1095 = load { ptr, i64, i64 }, ptr %a317
+  %t1096 = load i64, ptr %a323
+  call void @finch.gen.releaseAll(ptr %t1094, { ptr, i64, i64 } %t1095, i64 %t1096)
+  %t1097 = load ptr, ptr %a1
+  %t1098 = load ptr, ptr %a1
+  %t1099 = load %S.ast.Type, ptr %a219
+  %t1100 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1098, %S.ast.Type %t1099)
+  %t1101 = load { ptr, i64, i64 }, ptr %a264
+  %t1102 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1097, { ptr, i64, i64 } %t1100, { ptr, i64, i64 } %t1101)
+  store { ptr, i64, i64 } %t1100, ptr %a1103
+  call void @finch_str_drop(ptr %a1103)
+  %t1104 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1102, 0
+  %t1105 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1105, ptr %a1106
+  call void @finch.copy.S_ast_Type(ptr %a1107, ptr %a1106)
+  %t1108 = load %S.ast.Type, ptr %a1107
+  %t1109 = insertvalue %S.gen.Val %t1104, %S.ast.Type %t1108, 1
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1109
+endif7678:
+  %t1110 = load ptr, ptr %a1
+  %t1111 = load { ptr, i64, i64 }, ptr %a1073
+  %t1112 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1110, { ptr, i64, i64 } %t1111)
+  store { ptr, i64, i64 } %t1112, ptr %a1113
+  %t1114 = load ptr, ptr %a1
+  %t1115 = load { ptr, i64, i64 }, ptr %a317
+  %t1116 = load i64, ptr %a323
+  call void @finch.gen.releaseAll(ptr %t1114, { ptr, i64, i64 } %t1115, i64 %t1116)
+  %t1117 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 0
+  %t1118 = getelementptr inbounds %S.gen.Abi, ptr %t1117, i32 0, i32 0
+  %t1119 = load { ptr, i64, i64 }, ptr %t1118
+  store { ptr, i64, i64 } %t1119, ptr %a1120
+  store { ptr, i64, i64 } { ptr @.str.4916, i64 6, i64 0 }, ptr %a1121
+  %t1122 = call i32 @finch_str_eq(ptr %a1120, ptr %a1121)
+  %t1123 = icmp ne i32 %t1122, 0
+  br i1 %t1123, label %then7679, label %endif7681
+then7679:
+  %t1124 = load ptr, ptr %a1
+  %t1125 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1124, { ptr, i64, i64 } { ptr @.str.4917, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t1125, ptr %a1126
+  %t1127 = load ptr, ptr %a1
+  %t1128 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 0
+  %t1129 = getelementptr inbounds %S.gen.Abi, ptr %t1128, i32 0, i32 2
+  %t1130 = load { ptr, i64, i64 }, ptr %t1129
+  %t1131 = load { ptr, i64, i64 }, ptr %a1113
+  %t1132 = load { ptr, i64, i64 }, ptr %a1126
+  call void @finch.gen.store(ptr %t1127, { ptr, i64, i64 } %t1130, { ptr, i64, i64 } %t1131, { ptr, i64, i64 } %t1132)
+  %t1133 = load ptr, ptr %a1
+  %t1134 = load ptr, ptr %a1
+  %t1135 = load %S.ast.Type, ptr %a219
+  %t1136 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1134, %S.ast.Type %t1135)
+  %t1137 = load { ptr, i64, i64 }, ptr %a1126
+  %t1138 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1133, { ptr, i64, i64 } %t1136, { ptr, i64, i64 } %t1137)
+  store { ptr, i64, i64 } %t1136, ptr %a1139
+  call void @finch_str_drop(ptr %a1139)
+  %t1140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1138, 0
+  %t1141 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1141, ptr %a1142
+  call void @finch.copy.S_ast_Type(ptr %a1143, ptr %a1142)
+  %t1144 = load %S.ast.Type, ptr %a1143
+  %t1145 = insertvalue %S.gen.Val %t1140, %S.ast.Type %t1144, 1
+  call void @finch_str_drop(ptr %a1126)
+  call void @finch_str_drop(ptr %a1113)
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1145
+endif7681:
+  %t1146 = getelementptr inbounds %S.ast.Type, ptr %a219, i32 0, i32 0
+  %t1147 = load { ptr, i64, i64 }, ptr %t1146
+  store { ptr, i64, i64 } %t1147, ptr %a1148
+  store { ptr, i64, i64 } { ptr @.str.4918, i64 3, i64 0 }, ptr %a1149
+  %t1150 = call i32 @finch_str_eq(ptr %a1148, ptr %a1149)
+  %t1151 = icmp ne i32 %t1150, 0
+  br i1 %t1151, label %then7682, label %endif7684
+then7682:
+  %t1152 = load ptr, ptr %a1
+  %t1153 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1152)
+  store { ptr, i64, i64 } %t1153, ptr %a1154
+  %t1155 = load ptr, ptr %a1
+  %t1156 = load { ptr, i64, i64 }, ptr %a1154
+  call void @finch.gen.store(ptr %t1155, { ptr, i64, i64 } { ptr @.str.4919, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4920, i64 15, i64 0 }, { ptr, i64, i64 } %t1156)
+  %t1157 = load ptr, ptr %a1
+  %t1158 = load { ptr, i64, i64 }, ptr %a1154
+  store { ptr, i64, i64 } { ptr @.str.4921, i64 32, i64 0 }, ptr %a1160
+  store { ptr, i64, i64 } %t1158, ptr %a1161
+  call void @finch_str_concat(ptr %a1159, ptr %a1160, ptr %a1161)
+  %t1162 = load { ptr, i64, i64 }, ptr %a1159
+  store { ptr, i64, i64 } %t1162, ptr %a1164
+  store { ptr, i64, i64 } { ptr @.str.4922, i64 6, i64 0 }, ptr %a1165
+  call void @finch_str_concat(ptr %a1163, ptr %a1164, ptr %a1165)
+  store { ptr, i64, i64 } %t1162, ptr %a1166
+  call void @finch_str_drop(ptr %a1166)
+  %t1167 = load { ptr, i64, i64 }, ptr %a1163
+  %t1168 = load { ptr, i64, i64 }, ptr %a1113
+  store { ptr, i64, i64 } %t1167, ptr %a1170
+  store { ptr, i64, i64 } %t1168, ptr %a1171
+  call void @finch_str_concat(ptr %a1169, ptr %a1170, ptr %a1171)
+  store { ptr, i64, i64 } %t1167, ptr %a1172
+  call void @finch_str_drop(ptr %a1172)
+  %t1173 = load { ptr, i64, i64 }, ptr %a1169
+  store { ptr, i64, i64 } %t1173, ptr %a1175
+  store { ptr, i64, i64 } { ptr @.str.4923, i64 1, i64 0 }, ptr %a1176
+  call void @finch_str_concat(ptr %a1174, ptr %a1175, ptr %a1176)
+  store { ptr, i64, i64 } %t1173, ptr %a1177
+  call void @finch_str_drop(ptr %a1177)
+  %t1178 = load { ptr, i64, i64 }, ptr %a1174
+  call void @finch.gen.emit(ptr %t1157, { ptr, i64, i64 } %t1178)
+  store { ptr, i64, i64 } %t1178, ptr %a1179
+  call void @finch_str_drop(ptr %a1179)
+  %t1180 = load ptr, ptr %a1
+  %t1181 = load { ptr, i64, i64 }, ptr %a1154
+  %t1182 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1180, { ptr, i64, i64 } { ptr @.str.4924, i64 17, i64 0 }, { ptr, i64, i64 } %t1181)
+  %t1183 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1182, 0
+  %t1184 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1184, ptr %a1185
+  call void @finch.copy.S_ast_Type(ptr %a1186, ptr %a1185)
+  %t1187 = load %S.ast.Type, ptr %a1186
+  %t1188 = insertvalue %S.gen.Val %t1183, %S.ast.Type %t1187, 1
+  call void @finch_str_drop(ptr %a1154)
+  call void @finch_str_drop(ptr %a1113)
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1188
+endif7684:
+  %t1189 = load { ptr, i64, i64 }, ptr %a1113
+  store { ptr, i64, i64 } %t1189, ptr %a1190
+  call void @finch_str_copy(ptr %a1191, ptr %a1190)
+  %t1192 = load { ptr, i64, i64 }, ptr %a1191
+  %t1193 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1192, 0
+  %t1194 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1194, ptr %a1195
+  call void @finch.copy.S_ast_Type(ptr %a1196, ptr %a1195)
+  %t1197 = load %S.ast.Type, ptr %a1196
+  %t1198 = insertvalue %S.gen.Val %t1193, %S.ast.Type %t1197, 1
+  call void @finch_str_drop(ptr %a1113)
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1198
+}
+
+define internal void @finch.gen.releaseAll(ptr %p0, { ptr, i64, i64 } %p1, i64 %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca i64, align 16
+  %a4 = alloca i64, align 16
+  %a12 = alloca %S.gen.Val, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store i64 %p2, ptr %a3
+  store i64 0, ptr %a4
+  br label %each.cond7685
+each.cond7685:
+  %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t6 = load i64, ptr %t5
+  %t7 = load i64, ptr %a4
+  %t8 = icmp slt i64 %t7, %t6
+  br i1 %t8, label %each.body7686, label %each.end7688
+each.body7686:
+  %t9 = load ptr, ptr %a2
+  %t10 = getelementptr inbounds %S.gen.Val, ptr %t9, i64 %t7
+  %t11 = load %S.gen.Val, ptr %t10
+  store %S.gen.Val %t11, ptr %a12
+  %t13 = load ptr, ptr %a1
+  %t14 = load %S.gen.Val, ptr %a12
+  call void @finch.gen.release(ptr %t13, %S.gen.Val %t14)
+  br label %each.step7687
+each.step7687:
+  %t15 = load i64, ptr %a4
+  %t16 = add i64 %t15, 1
+  store i64 %t16, ptr %a4
+  br label %each.cond7685
+each.end7688:
+  %t17 = load ptr, ptr %a1
+  %t18 = load i64, ptr %a3
+  call void @finch.gen.heldEnd(ptr %t17, i64 %t18)
+  ret void
 }
 
 define internal i1 @finch.gen.runtimeDeclares({ ptr, i64, i64 } %p0) {
@@ -65801,15 +78001,15 @@ entry:
   %t2 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4750, i64 6, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.4925, i64 6, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4751, i64 6, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.4926, i64 6, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4752, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.4927, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4753, i64 4, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.4928, i64 4, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4754, i64 5, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.4929, i64 5, i64 0 }, ptr %t8
   %t9 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t10 = insertvalue { ptr, i64, i64 } %t9, i64 5, 1
   %t11 = insertvalue { ptr, i64, i64 } %t10, i64 5, 2
@@ -65820,29 +78020,30 @@ entry:
   %t16 = load i64, ptr %t13
   %t17 = load ptr, ptr %a12
   store i64 0, ptr %a18
-  br label %find.cond7305
-find.cond7305:
+  br label %find.cond7689
+find.cond7689:
   %t19 = load i64, ptr %a18
   %t20 = icmp slt i64 %t19, %t16
-  br i1 %t20, label %find.body7306, label %find.end7309
-find.body7306:
+  br i1 %t20, label %find.body7690, label %find.end7693
+find.body7690:
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i64 %t19
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
   store { ptr, i64, i64 } %t14, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %find.hit7307, label %find.next7308
-find.hit7307:
+  br i1 %t26, label %find.hit7691, label %find.next7692
+find.hit7691:
   store i64 %t19, ptr %a15
-  br label %find.end7309
-find.next7308:
+  br label %find.end7693
+find.next7692:
   %t27 = add i64 %t19, 1
   store i64 %t27, ptr %a18
-  br label %find.cond7305
-find.end7309:
+  br label %find.cond7689
+find.end7693:
   %t28 = load i64, ptr %a15
   %t29 = icmp sge i64 %t28, 0
+  call void @finch.drop.arr_str(ptr %a12)
   ret i1 %t29
 }
 
@@ -65862,55 +78063,56 @@ entry:
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = mul i64 23, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4755, i64 6, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.4930, i64 6, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4756, i64 4, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.4931, i64 4, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4757, i64 7, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.4932, i64 7, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4758, i64 5, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.4933, i64 5, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4759, i64 5, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.4934, i64 5, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4760, i64 7, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.4935, i64 7, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.4761, i64 4, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.4936, i64 4, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.4762, i64 3, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.4937, i64 3, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.4763, i64 3, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.4938, i64 3, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.4764, i64 3, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.4939, i64 3, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.4765, i64 5, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.4940, i64 5, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.4766, i64 4, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.4941, i64 4, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.4767, i64 6, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.4942, i64 6, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.4768, i64 4, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.4943, i64 4, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.4769, i64 5, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.4944, i64 5, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.4770, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.4945, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 16
-  store { ptr, i64, i64 } { ptr @.str.4771, i64 4, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.4946, i64 4, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 17
-  store { ptr, i64, i64 } { ptr @.str.4772, i64 6, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.4947, i64 6, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 18
-  store { ptr, i64, i64 } { ptr @.str.4773, i64 6, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.4948, i64 6, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 19
-  store { ptr, i64, i64 } { ptr @.str.4774, i64 6, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.4949, i64 6, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 20
-  store { ptr, i64, i64 } { ptr @.str.4775, i64 4, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.4950, i64 4, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 21
-  store { ptr, i64, i64 } { ptr @.str.4776, i64 5, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.4951, i64 5, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 22
-  store { ptr, i64, i64 } { ptr @.str.4777, i64 6, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.4952, i64 6, i64 0 }, ptr %t26
   %t27 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t28 = insertvalue { ptr, i64, i64 } %t27, i64 23, 1
   %t29 = insertvalue { ptr, i64, i64 } %t28, i64 23, 2
@@ -65918,51 +78120,51 @@ entry:
   %t31 = mul i64 23, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t32 = call ptr @finch_alloc(i64 %t31)
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4778, i64 7, i64 0 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.4953, i64 7, i64 0 }, ptr %t33
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4779, i64 7, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.4954, i64 7, i64 0 }, ptr %t34
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4780, i64 7, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.4955, i64 7, i64 0 }, ptr %t35
   %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4781, i64 7, i64 0 }, ptr %t36
+  store { ptr, i64, i64 } { ptr @.str.4956, i64 7, i64 0 }, ptr %t36
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4782, i64 7, i64 0 }, ptr %t37
+  store { ptr, i64, i64 } { ptr @.str.4957, i64 7, i64 0 }, ptr %t37
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4783, i64 7, i64 0 }, ptr %t38
+  store { ptr, i64, i64 } { ptr @.str.4958, i64 7, i64 0 }, ptr %t38
   %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 6
-  store { ptr, i64, i64 } { ptr @.str.4784, i64 6, i64 0 }, ptr %t39
+  store { ptr, i64, i64 } { ptr @.str.4959, i64 6, i64 0 }, ptr %t39
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 7
-  store { ptr, i64, i64 } { ptr @.str.4785, i64 6, i64 0 }, ptr %t40
+  store { ptr, i64, i64 } { ptr @.str.4960, i64 6, i64 0 }, ptr %t40
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 8
-  store { ptr, i64, i64 } { ptr @.str.4786, i64 6, i64 0 }, ptr %t41
+  store { ptr, i64, i64 } { ptr @.str.4961, i64 6, i64 0 }, ptr %t41
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 9
-  store { ptr, i64, i64 } { ptr @.str.4787, i64 6, i64 0 }, ptr %t42
+  store { ptr, i64, i64 } { ptr @.str.4962, i64 6, i64 0 }, ptr %t42
   %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 10
-  store { ptr, i64, i64 } { ptr @.str.4788, i64 6, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.4963, i64 6, i64 0 }, ptr %t43
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 11
-  store { ptr, i64, i64 } { ptr @.str.4789, i64 6, i64 0 }, ptr %t44
+  store { ptr, i64, i64 } { ptr @.str.4964, i64 6, i64 0 }, ptr %t44
   %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 12
-  store { ptr, i64, i64 } { ptr @.str.4790, i64 8, i64 0 }, ptr %t45
+  store { ptr, i64, i64 } { ptr @.str.4965, i64 8, i64 0 }, ptr %t45
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 13
-  store { ptr, i64, i64 } { ptr @.str.4791, i64 8, i64 0 }, ptr %t46
+  store { ptr, i64, i64 } { ptr @.str.4966, i64 8, i64 0 }, ptr %t46
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 14
-  store { ptr, i64, i64 } { ptr @.str.4792, i64 8, i64 0 }, ptr %t47
+  store { ptr, i64, i64 } { ptr @.str.4967, i64 8, i64 0 }, ptr %t47
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 15
-  store { ptr, i64, i64 } { ptr @.str.4793, i64 8, i64 0 }, ptr %t48
+  store { ptr, i64, i64 } { ptr @.str.4968, i64 8, i64 0 }, ptr %t48
   %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 16
-  store { ptr, i64, i64 } { ptr @.str.4794, i64 8, i64 0 }, ptr %t49
+  store { ptr, i64, i64 } { ptr @.str.4969, i64 8, i64 0 }, ptr %t49
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 17
-  store { ptr, i64, i64 } { ptr @.str.4795, i64 8, i64 0 }, ptr %t50
+  store { ptr, i64, i64 } { ptr @.str.4970, i64 8, i64 0 }, ptr %t50
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 18
-  store { ptr, i64, i64 } { ptr @.str.4796, i64 8, i64 0 }, ptr %t51
+  store { ptr, i64, i64 } { ptr @.str.4971, i64 8, i64 0 }, ptr %t51
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 19
-  store { ptr, i64, i64 } { ptr @.str.4797, i64 8, i64 0 }, ptr %t52
+  store { ptr, i64, i64 } { ptr @.str.4972, i64 8, i64 0 }, ptr %t52
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 20
-  store { ptr, i64, i64 } { ptr @.str.4798, i64 6, i64 0 }, ptr %t53
+  store { ptr, i64, i64 } { ptr @.str.4973, i64 6, i64 0 }, ptr %t53
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 21
-  store { ptr, i64, i64 } { ptr @.str.4799, i64 8, i64 0 }, ptr %t54
+  store { ptr, i64, i64 } { ptr @.str.4974, i64 8, i64 0 }, ptr %t54
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 22
-  store { ptr, i64, i64 } { ptr @.str.4800, i64 8, i64 0 }, ptr %t55
+  store { ptr, i64, i64 } { ptr @.str.4975, i64 8, i64 0 }, ptr %t55
   %t56 = insertvalue { ptr, i64, i64 } undef, ptr %t32, 0
   %t57 = insertvalue { ptr, i64, i64 } %t56, i64 23, 1
   %t58 = insertvalue { ptr, i64, i64 } %t57, i64 23, 2
@@ -65973,56 +78175,98 @@ entry:
   %t63 = load i64, ptr %t60
   %t64 = load ptr, ptr %a30
   store i64 0, ptr %a65
-  br label %find.cond7310
-find.cond7310:
+  br label %find.cond7694
+find.cond7694:
   %t66 = load i64, ptr %a65
   %t67 = icmp slt i64 %t66, %t63
-  br i1 %t67, label %find.body7311, label %find.end7314
-find.body7311:
+  br i1 %t67, label %find.body7695, label %find.end7698
+find.body7695:
   %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t66
   %t69 = load { ptr, i64, i64 }, ptr %t68
   store { ptr, i64, i64 } %t69, ptr %a70
   store { ptr, i64, i64 } %t61, ptr %a71
   %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
   %t73 = icmp ne i32 %t72, 0
-  br i1 %t73, label %find.hit7312, label %find.next7313
-find.hit7312:
+  br i1 %t73, label %find.hit7696, label %find.next7697
+find.hit7696:
   store i64 %t66, ptr %a62
-  br label %find.end7314
-find.next7313:
+  br label %find.end7698
+find.next7697:
   %t74 = add i64 %t66, 1
   store i64 %t74, ptr %a65
-  br label %find.cond7310
-find.end7314:
+  br label %find.cond7694
+find.end7698:
   %t75 = load i64, ptr %a62
   store i64 %t75, ptr %a76
   %t77 = load i64, ptr %a76
   %t78 = icmp slt i64 %t77, 0
-  br i1 %t78, label %then7315, label %endif7317
-then7315:
-  ret { ptr, i64, i64 } { ptr @.str.4801, i64 0, i64 0 }
-endif7317:
+  br i1 %t78, label %then7699, label %endif7701
+then7699:
+  call void @finch.drop.arr_str(ptr %a59)
+  call void @finch.drop.arr_str(ptr %a30)
+  ret { ptr, i64, i64 } { ptr @.str.4976, i64 0, i64 0 }
+endif7701:
   %t79 = load i64, ptr %a76
   %t80 = load { ptr, i64, i64 }, ptr %a59
   %t81 = extractvalue { ptr, i64, i64 } %t80, 1
   %t82 = icmp uge i64 %t79, %t81
-  br i1 %t82, label %range7318, label %inrange7319
-range7318:
-  call void @finch_panic_index(ptr @.str.4803, i64 4299, i64 %t79, i64 %t81)
+  br i1 %t82, label %range7702, label %inrange7703
+range7702:
+  call void @finch_panic_index(ptr @.str.4978, i64 4603, i64 %t79, i64 %t81)
   unreachable
-inrange7319:
+inrange7703:
   %t83 = extractvalue { ptr, i64, i64 } %t80, 0
   %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t79
   %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } { ptr @.str.4802, i64 28, i64 0 }, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.4977, i64 28, i64 0 }, ptr %a87
   store { ptr, i64, i64 } %t85, ptr %a88
   call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
   %t89 = load { ptr, i64, i64 }, ptr %a86
   store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.4804, i64 14, i64 0 }, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.4979, i64 14, i64 0 }, ptr %a92
   call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  ret { ptr, i64, i64 } %t93
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.drop.arr_str(ptr %a59)
+  call void @finch.drop.arr_str(ptr %a30)
+  ret { ptr, i64, i64 } %t94
+}
+
+define internal void @finch.drop.S_docs_Doc(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.docs.Doc, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.docs.Doc, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.docs.Doc, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_docs_Doc(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond7713
+n.cond7713:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body7714, label %n.end7715
+n.body7714:
+  %t7 = getelementptr inbounds %S.docs.Doc, ptr %t1, i64 %t5
+  call void @finch.drop.S_docs_Doc(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond7713
+n.end7715:
+  call void @finch_arr_free(ptr %a)
+  ret void
 }
 
 define internal %S.gen.Val @finch.gen.call(ptr %p0, %S.ast.Node %p1) {
@@ -66032,485 +78276,652 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca %S.docs.Doc, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.docs.Doc, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i64, align 16
-  %a60 = alloca %S.gen.Val, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca %S.ast.Node, align 16
-  %a106 = alloca %S.ast.Node, align 16
-  %a108 = alloca %S.ast.Node, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca i64, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca %S.gen.Place, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca %S.gen.Val, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca i64, align 16
+  %a62 = alloca %S.gen.Val, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca %S.ast.Node, align 16
+  %a110 = alloca %S.ast.Node, align 16
+  %a112 = alloca %S.ast.Node, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca i64, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca %S.gen.Place, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca %S.gen.Val, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a218 = alloca %S.ast.Type, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca i1, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a220 = alloca %S.ast.Type, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
   %a231 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca %S.ast.Type, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
   %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca %S.ast.Type, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
   %a298 = alloca { ptr, i64, i64 }, align 16
   %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
   %a302 = alloca { ptr, i64, i64 }, align 16
   %a303 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca %S.ast.Type, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
   %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
   %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
   %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
   %a339 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
   %a344 = alloca { ptr, i64, i64 }, align 16
   %a345 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
   %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
   %a357 = alloca { ptr, i64, i64 }, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
   %a377 = alloca { ptr, i64, i64 }, align 16
   %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a382 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
   %a388 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a392 = alloca { ptr, i64, i64 }, align 16
   %a393 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
   %a397 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
-  %a410 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
   %a423 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
-  %a434 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a430 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
   %a443 = alloca { ptr, i64, i64 }, align 16
   %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
-  %a458 = alloca { ptr, i64, i64 }, align 16
-  %a463 = alloca { ptr, i64, i64 }, align 16
-  %a464 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
   %a481 = alloca { ptr, i64, i64 }, align 16
   %a482 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
-  %a506 = alloca { ptr, i64, i64 }, align 16
-  %a507 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
   %a510 = alloca { ptr, i64, i64 }, align 16
   %a511 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a517 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
   %a556 = alloca { ptr, i64, i64 }, align 16
   %a558 = alloca { ptr, i64, i64 }, align 16
-  %a559 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a568 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
   %a570 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
-  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca %S.ast.Type, align 16
   %a581 = alloca { ptr, i64, i64 }, align 16
   %a582 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a598 = alloca { ptr, i64, i64 }, align 16
-  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca %S.gen.Val, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
   %a610 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
   %a615 = alloca { ptr, i64, i64 }, align 16
   %a616 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca { ptr, i64, i64 }, align 16
   %a619 = alloca { ptr, i64, i64 }, align 16
   %a620 = alloca { ptr, i64, i64 }, align 16
   %a621 = alloca { ptr, i64, i64 }, align 16
-  %a623 = alloca { ptr, i64, i64 }, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
   %a625 = alloca { ptr, i64, i64 }, align 16
-  %a628 = alloca { ptr, i64, i64 }, align 16
-  %a629 = alloca { ptr, i64, i64 }, align 16
-  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
   %a632 = alloca { ptr, i64, i64 }, align 16
   %a633 = alloca { ptr, i64, i64 }, align 16
-  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
   %a637 = alloca { ptr, i64, i64 }, align 16
-  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
   %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
+  %a654 = alloca { ptr, i64, i64 }, align 16
+  %a655 = alloca { ptr, i64, i64 }, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
   %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
   %a681 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
   %a683 = alloca { ptr, i64, i64 }, align 16
+  %a684 = alloca { ptr, i64, i64 }, align 16
   %a685 = alloca { ptr, i64, i64 }, align 16
   %a686 = alloca { ptr, i64, i64 }, align 16
-  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
   %a690 = alloca { ptr, i64, i64 }, align 16
   %a691 = alloca { ptr, i64, i64 }, align 16
   %a692 = alloca { ptr, i64, i64 }, align 16
   %a694 = alloca { ptr, i64, i64 }, align 16
   %a695 = alloca { ptr, i64, i64 }, align 16
   %a696 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
+  %a697 = alloca { ptr, i64, i64 }, align 16
   %a700 = alloca { ptr, i64, i64 }, align 16
   %a701 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
   %a704 = alloca { ptr, i64, i64 }, align 16
   %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a708 = alloca { ptr, i64, i64 }, align 16
   %a709 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
   %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
+  %a714 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
   %a727 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
-  %a745 = alloca { ptr, i64, i64 }, align 16
+  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
   %a757 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a763 = alloca { ptr, i64, i64 }, align 16
   %a764 = alloca { ptr, i64, i64 }, align 16
   %a765 = alloca { ptr, i64, i64 }, align 16
+  %a766 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
   %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
   %a775 = alloca { ptr, i64, i64 }, align 16
   %a776 = alloca { ptr, i64, i64 }, align 16
   %a777 = alloca { ptr, i64, i64 }, align 16
   %a779 = alloca { ptr, i64, i64 }, align 16
   %a780 = alloca { ptr, i64, i64 }, align 16
   %a781 = alloca { ptr, i64, i64 }, align 16
-  %a784 = alloca { ptr, i64, i64 }, align 16
-  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
   %a786 = alloca { ptr, i64, i64 }, align 16
   %a788 = alloca { ptr, i64, i64 }, align 16
   %a789 = alloca { ptr, i64, i64 }, align 16
   %a790 = alloca { ptr, i64, i64 }, align 16
-  %a793 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a792 = alloca { ptr, i64, i64 }, align 16
   %a794 = alloca { ptr, i64, i64 }, align 16
   %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
   %a797 = alloca { ptr, i64, i64 }, align 16
-  %a798 = alloca { ptr, i64, i64 }, align 16
   %a799 = alloca { ptr, i64, i64 }, align 16
-  %a802 = alloca { ptr, i64, i64 }, align 16
-  %a805 = alloca { ptr, i64, i64 }, align 16
-  %a806 = alloca { ptr, i64, i64 }, align 16
-  %a807 = alloca { ptr, i64, i64 }, align 16
-  %a809 = alloca { ptr, i64, i64 }, align 16
   %a810 = alloca { ptr, i64, i64 }, align 16
   %a811 = alloca { ptr, i64, i64 }, align 16
-  %a827 = alloca { ptr, i64, i64 }, align 16
-  %a828 = alloca { ptr, i64, i64 }, align 16
-  %a829 = alloca { ptr, i64, i64 }, align 16
-  %a831 = alloca { ptr, i64, i64 }, align 16
-  %a832 = alloca { ptr, i64, i64 }, align 16
-  %a833 = alloca { ptr, i64, i64 }, align 16
-  %a836 = alloca { ptr, i64, i64 }, align 16
-  %a837 = alloca { ptr, i64, i64 }, align 16
-  %a838 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
-  %a841 = alloca { ptr, i64, i64 }, align 16
-  %a842 = alloca { ptr, i64, i64 }, align 16
-  %a845 = alloca { ptr, i64, i64 }, align 16
-  %a848 = alloca { ptr, i64, i64 }, align 16
-  %a849 = alloca { ptr, i64, i64 }, align 16
+  %a826 = alloca %S.gen.Val, align 16
+  %a832 = alloca i64, align 16
+  %a844 = alloca %S.gen.Val, align 16
   %a850 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca { ptr, i64, i64 }, align 16
-  %a853 = alloca { ptr, i64, i64 }, align 16
   %a854 = alloca { ptr, i64, i64 }, align 16
   %a861 = alloca { ptr, i64, i64 }, align 16
   %a862 = alloca { ptr, i64, i64 }, align 16
-  %a877 = alloca %S.gen.Val, align 16
+  %a865 = alloca { ptr, i64, i64 }, align 16
+  %a868 = alloca { ptr, i64, i64 }, align 16
+  %a873 = alloca { ptr, i64, i64 }, align 16
+  %a874 = alloca { ptr, i64, i64 }, align 16
+  %a875 = alloca { ptr, i64, i64 }, align 16
+  %a877 = alloca { ptr, i64, i64 }, align 16
+  %a878 = alloca { ptr, i64, i64 }, align 16
+  %a879 = alloca { ptr, i64, i64 }, align 16
   %a880 = alloca { ptr, i64, i64 }, align 16
   %a883 = alloca { ptr, i64, i64 }, align 16
   %a884 = alloca { ptr, i64, i64 }, align 16
   %a885 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
+  %a886 = alloca { ptr, i64, i64 }, align 16
   %a888 = alloca { ptr, i64, i64 }, align 16
   %a889 = alloca { ptr, i64, i64 }, align 16
+  %a890 = alloca { ptr, i64, i64 }, align 16
+  %a891 = alloca { ptr, i64, i64 }, align 16
   %a894 = alloca { ptr, i64, i64 }, align 16
   %a895 = alloca { ptr, i64, i64 }, align 16
   %a896 = alloca { ptr, i64, i64 }, align 16
-  %a898 = alloca { ptr, i64, i64 }, align 16
+  %a897 = alloca { ptr, i64, i64 }, align 16
   %a899 = alloca { ptr, i64, i64 }, align 16
   %a900 = alloca { ptr, i64, i64 }, align 16
-  %a908 = alloca { ptr, i64, i64 }, align 16
+  %a901 = alloca { ptr, i64, i64 }, align 16
+  %a902 = alloca { ptr, i64, i64 }, align 16
+  %a905 = alloca { ptr, i64, i64 }, align 16
+  %a906 = alloca { ptr, i64, i64 }, align 16
   %a909 = alloca { ptr, i64, i64 }, align 16
+  %a910 = alloca { ptr, i64, i64 }, align 16
+  %a911 = alloca { ptr, i64, i64 }, align 16
+  %a913 = alloca { ptr, i64, i64 }, align 16
   %a914 = alloca { ptr, i64, i64 }, align 16
+  %a915 = alloca { ptr, i64, i64 }, align 16
+  %a916 = alloca { ptr, i64, i64 }, align 16
   %a919 = alloca { ptr, i64, i64 }, align 16
-  %a920 = alloca { ptr, i64, i64 }, align 16
-  %a921 = alloca { ptr, i64, i64 }, align 16
-  %a923 = alloca { ptr, i64, i64 }, align 16
   %a924 = alloca { ptr, i64, i64 }, align 16
-  %a925 = alloca { ptr, i64, i64 }, align 16
-  %a928 = alloca { ptr, i64, i64 }, align 16
-  %a929 = alloca { ptr, i64, i64 }, align 16
-  %a930 = alloca { ptr, i64, i64 }, align 16
   %a932 = alloca { ptr, i64, i64 }, align 16
-  %a933 = alloca { ptr, i64, i64 }, align 16
-  %a934 = alloca { ptr, i64, i64 }, align 16
-  %a937 = alloca { ptr, i64, i64 }, align 16
-  %a940 = alloca { ptr, i64, i64 }, align 16
   %a941 = alloca { ptr, i64, i64 }, align 16
   %a942 = alloca { ptr, i64, i64 }, align 16
-  %a944 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
   %a945 = alloca { ptr, i64, i64 }, align 16
   %a946 = alloca { ptr, i64, i64 }, align 16
+  %a947 = alloca { ptr, i64, i64 }, align 16
+  %a948 = alloca { ptr, i64, i64 }, align 16
+  %a951 = alloca { ptr, i64, i64 }, align 16
+  %a952 = alloca { ptr, i64, i64 }, align 16
+  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a956 = alloca { ptr, i64, i64 }, align 16
+  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a958 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
   %a962 = alloca { ptr, i64, i64 }, align 16
   %a963 = alloca { ptr, i64, i64 }, align 16
-  %a964 = alloca { ptr, i64, i64 }, align 16
-  %a966 = alloca { ptr, i64, i64 }, align 16
-  %a967 = alloca { ptr, i64, i64 }, align 16
-  %a968 = alloca { ptr, i64, i64 }, align 16
+  %a970 = alloca { ptr, i64, i64 }, align 16
   %a971 = alloca { ptr, i64, i64 }, align 16
+  %a972 = alloca { ptr, i64, i64 }, align 16
   %a974 = alloca { ptr, i64, i64 }, align 16
   %a975 = alloca { ptr, i64, i64 }, align 16
   %a976 = alloca { ptr, i64, i64 }, align 16
-  %a978 = alloca { ptr, i64, i64 }, align 16
-  %a979 = alloca { ptr, i64, i64 }, align 16
+  %a977 = alloca { ptr, i64, i64 }, align 16
   %a980 = alloca { ptr, i64, i64 }, align 16
-  %a987 = alloca { ptr, i64, i64 }, align 16
-  %a988 = alloca { ptr, i64, i64 }, align 16
-  %a1003 = alloca %S.gen.Val, align 16
-  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a985 = alloca { ptr, i64, i64 }, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca %S.gen.Val, align 16
+  %a1004 = alloca { ptr, i64, i64 }, align 16
+  %a1007 = alloca { ptr, i64, i64 }, align 16
+  %a1008 = alloca { ptr, i64, i64 }, align 16
   %a1009 = alloca { ptr, i64, i64 }, align 16
-  %a1010 = alloca { ptr, i64, i64 }, align 16
   %a1011 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
   %a1013 = alloca { ptr, i64, i64 }, align 16
   %a1014 = alloca { ptr, i64, i64 }, align 16
-  %a1015 = alloca { ptr, i64, i64 }, align 16
+  %a1019 = alloca { ptr, i64, i64 }, align 16
   %a1020 = alloca { ptr, i64, i64 }, align 16
   %a1021 = alloca { ptr, i64, i64 }, align 16
   %a1022 = alloca { ptr, i64, i64 }, align 16
-  %a1024 = alloca { ptr, i64, i64 }, align 16
+  %a1023 = alloca { ptr, i64, i64 }, align 16
   %a1025 = alloca { ptr, i64, i64 }, align 16
   %a1026 = alloca { ptr, i64, i64 }, align 16
+  %a1027 = alloca { ptr, i64, i64 }, align 16
+  %a1028 = alloca { ptr, i64, i64 }, align 16
   %a1030 = alloca { ptr, i64, i64 }, align 16
-  %a1031 = alloca { ptr, i64, i64 }, align 16
-  %a1032 = alloca { ptr, i64, i64 }, align 16
-  %a1034 = alloca { ptr, i64, i64 }, align 16
-  %a1035 = alloca { ptr, i64, i64 }, align 16
-  %a1036 = alloca { ptr, i64, i64 }, align 16
-  %a1043 = alloca { ptr, i64, i64 }, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
+  %a1038 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
   %a1044 = alloca { ptr, i64, i64 }, align 16
-  %a1069 = alloca %S.gen.Val, align 16
-  %a1073 = alloca { ptr, i64, i64 }, align 16
+  %a1049 = alloca { ptr, i64, i64 }, align 16
+  %a1050 = alloca { ptr, i64, i64 }, align 16
+  %a1051 = alloca { ptr, i64, i64 }, align 16
+  %a1053 = alloca { ptr, i64, i64 }, align 16
+  %a1054 = alloca { ptr, i64, i64 }, align 16
+  %a1055 = alloca { ptr, i64, i64 }, align 16
+  %a1056 = alloca { ptr, i64, i64 }, align 16
+  %a1059 = alloca { ptr, i64, i64 }, align 16
+  %a1060 = alloca { ptr, i64, i64 }, align 16
+  %a1061 = alloca { ptr, i64, i64 }, align 16
+  %a1062 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
+  %a1065 = alloca { ptr, i64, i64 }, align 16
+  %a1066 = alloca { ptr, i64, i64 }, align 16
+  %a1067 = alloca { ptr, i64, i64 }, align 16
+  %a1070 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca { ptr, i64, i64 }, align 16
   %a1074 = alloca { ptr, i64, i64 }, align 16
   %a1075 = alloca { ptr, i64, i64 }, align 16
-  %a1077 = alloca { ptr, i64, i64 }, align 16
+  %a1076 = alloca { ptr, i64, i64 }, align 16
   %a1078 = alloca { ptr, i64, i64 }, align 16
   %a1079 = alloca { ptr, i64, i64 }, align 16
-  %a1082 = alloca { ptr, i64, i64 }, align 16
-  %a1085 = alloca { ptr, i64, i64 }, align 16
-  %a1088 = alloca { ptr, i64, i64 }, align 16
+  %a1080 = alloca { ptr, i64, i64 }, align 16
+  %a1081 = alloca { ptr, i64, i64 }, align 16
+  %a1084 = alloca { ptr, i64, i64 }, align 16
   %a1089 = alloca { ptr, i64, i64 }, align 16
-  %a1090 = alloca { ptr, i64, i64 }, align 16
-  %a1092 = alloca { ptr, i64, i64 }, align 16
-  %a1093 = alloca { ptr, i64, i64 }, align 16
-  %a1094 = alloca { ptr, i64, i64 }, align 16
-  %a1099 = alloca { ptr, i64, i64 }, align 16
-  %a1100 = alloca { ptr, i64, i64 }, align 16
-  %a1105 = alloca %S.gen.Val, align 16
-  %a1124 = alloca { ptr, i64, i64 }, align 16
-  %a1127 = alloca { ptr, i64, i64 }, align 16
+  %a1097 = alloca { ptr, i64, i64 }, align 16
+  %a1101 = alloca %S.ast.Type, align 16
+  %a1108 = alloca { ptr, i64, i64 }, align 16
+  %a1109 = alloca { ptr, i64, i64 }, align 16
+  %a1110 = alloca { ptr, i64, i64 }, align 16
+  %a1112 = alloca { ptr, i64, i64 }, align 16
+  %a1113 = alloca { ptr, i64, i64 }, align 16
+  %a1114 = alloca { ptr, i64, i64 }, align 16
+  %a1115 = alloca { ptr, i64, i64 }, align 16
+  %a1118 = alloca { ptr, i64, i64 }, align 16
+  %a1119 = alloca { ptr, i64, i64 }, align 16
+  %a1123 = alloca %S.ast.Type, align 16
   %a1128 = alloca { ptr, i64, i64 }, align 16
   %a1129 = alloca { ptr, i64, i64 }, align 16
-  %a1131 = alloca { ptr, i64, i64 }, align 16
+  %a1130 = alloca { ptr, i64, i64 }, align 16
   %a1132 = alloca { ptr, i64, i64 }, align 16
   %a1133 = alloca { ptr, i64, i64 }, align 16
+  %a1134 = alloca { ptr, i64, i64 }, align 16
+  %a1135 = alloca { ptr, i64, i64 }, align 16
   %a1138 = alloca { ptr, i64, i64 }, align 16
-  %a1139 = alloca { ptr, i64, i64 }, align 16
-  %a1140 = alloca { ptr, i64, i64 }, align 16
-  %a1142 = alloca { ptr, i64, i64 }, align 16
   %a1143 = alloca { ptr, i64, i64 }, align 16
   %a1144 = alloca { ptr, i64, i64 }, align 16
-  %a1154 = alloca { ptr, i64, i64 }, align 16
-  %a1155 = alloca { ptr, i64, i64 }, align 16
-  %a1170 = alloca %S.gen.Val, align 16
-  %a1176 = alloca { ptr, i64, i64 }, align 16
+  %a1159 = alloca %S.gen.Val, align 16
+  %a1162 = alloca { ptr, i64, i64 }, align 16
+  %a1165 = alloca { ptr, i64, i64 }, align 16
+  %a1166 = alloca { ptr, i64, i64 }, align 16
+  %a1167 = alloca { ptr, i64, i64 }, align 16
+  %a1169 = alloca { ptr, i64, i64 }, align 16
+  %a1170 = alloca { ptr, i64, i64 }, align 16
+  %a1171 = alloca { ptr, i64, i64 }, align 16
+  %a1172 = alloca { ptr, i64, i64 }, align 16
   %a1177 = alloca { ptr, i64, i64 }, align 16
   %a1178 = alloca { ptr, i64, i64 }, align 16
+  %a1179 = alloca { ptr, i64, i64 }, align 16
   %a1180 = alloca { ptr, i64, i64 }, align 16
   %a1181 = alloca { ptr, i64, i64 }, align 16
-  %a1182 = alloca { ptr, i64, i64 }, align 16
+  %a1183 = alloca { ptr, i64, i64 }, align 16
+  %a1184 = alloca { ptr, i64, i64 }, align 16
   %a1185 = alloca { ptr, i64, i64 }, align 16
+  %a1186 = alloca { ptr, i64, i64 }, align 16
+  %a1188 = alloca { ptr, i64, i64 }, align 16
+  %a1191 = alloca { ptr, i64, i64 }, align 16
+  %a1192 = alloca { ptr, i64, i64 }, align 16
+  %a1193 = alloca { ptr, i64, i64 }, align 16
+  %a1195 = alloca { ptr, i64, i64 }, align 16
   %a1196 = alloca { ptr, i64, i64 }, align 16
   %a1197 = alloca { ptr, i64, i64 }, align 16
-  %a1205 = alloca { ptr, i64, i64 }, align 16
-  %a1206 = alloca { ptr, i64, i64 }, align 16
-  %a1221 = alloca %S.gen.Val, align 16
-  %a1225 = alloca { ptr, i64, i64 }, align 16
-  %a1226 = alloca { ptr, i64, i64 }, align 16
-  %a1240 = alloca { ptr, i64, i64 }, align 16
-  %a1241 = alloca { ptr, i64, i64 }, align 16
-  %a1242 = alloca { ptr, i64, i64 }, align 16
-  %a1244 = alloca { ptr, i64, i64 }, align 16
-  %a1245 = alloca { ptr, i64, i64 }, align 16
-  %a1246 = alloca { ptr, i64, i64 }, align 16
-  %a1257 = alloca i64, align 16
+  %a1198 = alloca { ptr, i64, i64 }, align 16
+  %a1201 = alloca { ptr, i64, i64 }, align 16
+  %a1202 = alloca { ptr, i64, i64 }, align 16
+  %a1206 = alloca %S.ast.Type, align 16
+  %a1210 = alloca { ptr, i64, i64 }, align 16
+  %a1211 = alloca { ptr, i64, i64 }, align 16
+  %a1217 = alloca { ptr, i64, i64 }, align 16
+  %a1218 = alloca { ptr, i64, i64 }, align 16
+  %a1243 = alloca %S.gen.Val, align 16
+  %a1244 = alloca %S.ast.Type, align 16
+  %a1245 = alloca %S.gen.Val, align 16
+  %a1249 = alloca { ptr, i64, i64 }, align 16
+  %a1250 = alloca { ptr, i64, i64 }, align 16
+  %a1251 = alloca { ptr, i64, i64 }, align 16
+  %a1253 = alloca { ptr, i64, i64 }, align 16
+  %a1254 = alloca { ptr, i64, i64 }, align 16
+  %a1255 = alloca { ptr, i64, i64 }, align 16
+  %a1256 = alloca { ptr, i64, i64 }, align 16
+  %a1259 = alloca { ptr, i64, i64 }, align 16
+  %a1260 = alloca { ptr, i64, i64 }, align 16
+  %a1263 = alloca { ptr, i64, i64 }, align 16
+  %a1266 = alloca { ptr, i64, i64 }, align 16
+  %a1267 = alloca { ptr, i64, i64 }, align 16
   %a1268 = alloca { ptr, i64, i64 }, align 16
-  %a1269 = alloca { ptr, i64, i64 }, align 16
   %a1270 = alloca { ptr, i64, i64 }, align 16
+  %a1271 = alloca { ptr, i64, i64 }, align 16
   %a1272 = alloca { ptr, i64, i64 }, align 16
   %a1273 = alloca { ptr, i64, i64 }, align 16
-  %a1274 = alloca { ptr, i64, i64 }, align 16
-  %a1288 = alloca i64, align 16
-  %a1312 = alloca { ptr, i64, i64 }, align 16
+  %a1275 = alloca { ptr, i64, i64 }, align 16
+  %a1279 = alloca { ptr, i64, i64 }, align 16
+  %a1280 = alloca { ptr, i64, i64 }, align 16
+  %a1285 = alloca %S.gen.Val, align 16
+  %a1303 = alloca %S.gen.Val, align 16
+  %a1306 = alloca { ptr, i64, i64 }, align 16
+  %a1309 = alloca { ptr, i64, i64 }, align 16
+  %a1310 = alloca { ptr, i64, i64 }, align 16
+  %a1311 = alloca { ptr, i64, i64 }, align 16
   %a1313 = alloca { ptr, i64, i64 }, align 16
   %a1314 = alloca { ptr, i64, i64 }, align 16
+  %a1315 = alloca { ptr, i64, i64 }, align 16
   %a1316 = alloca { ptr, i64, i64 }, align 16
-  %a1317 = alloca { ptr, i64, i64 }, align 16
-  %a1318 = alloca { ptr, i64, i64 }, align 16
   %a1321 = alloca { ptr, i64, i64 }, align 16
   %a1322 = alloca { ptr, i64, i64 }, align 16
   %a1323 = alloca { ptr, i64, i64 }, align 16
+  %a1324 = alloca { ptr, i64, i64 }, align 16
   %a1325 = alloca { ptr, i64, i64 }, align 16
-  %a1326 = alloca { ptr, i64, i64 }, align 16
   %a1327 = alloca { ptr, i64, i64 }, align 16
+  %a1328 = alloca { ptr, i64, i64 }, align 16
   %a1329 = alloca { ptr, i64, i64 }, align 16
-  %a1332 = alloca i64, align 16
-  %a1340 = alloca %S.ast.Type, align 16
-  %a1361 = alloca %S.ast.Type, align 16
-  %a1382 = alloca i64, align 16
-  %a1395 = alloca %S.gen.StructDef, align 16
-  %a1396 = alloca %S.gen.StructDef, align 16
-  %a1398 = alloca %S.gen.StructDef, align 16
-  %a1426 = alloca %S.ast.Node, align 16
-  %a1427 = alloca %S.ast.Node, align 16
-  %a1429 = alloca %S.ast.Node, align 16
-  %a1438 = alloca { ptr, i64, i64 }, align 16
-  %a1439 = alloca { ptr, i64, i64 }, align 16
-  %a1440 = alloca { ptr, i64, i64 }, align 16
-  %a1442 = alloca { ptr, i64, i64 }, align 16
-  %a1443 = alloca { ptr, i64, i64 }, align 16
-  %a1444 = alloca { ptr, i64, i64 }, align 16
-  %a1448 = alloca { ptr, i64, i64 }, align 16
+  %a1330 = alloca { ptr, i64, i64 }, align 16
+  %a1332 = alloca { ptr, i64, i64 }, align 16
+  %a1343 = alloca { ptr, i64, i64 }, align 16
+  %a1344 = alloca { ptr, i64, i64 }, align 16
+  %a1359 = alloca %S.gen.Val, align 16
+  %a1365 = alloca { ptr, i64, i64 }, align 16
+  %a1366 = alloca { ptr, i64, i64 }, align 16
+  %a1367 = alloca { ptr, i64, i64 }, align 16
+  %a1368 = alloca { ptr, i64, i64 }, align 16
+  %a1370 = alloca { ptr, i64, i64 }, align 16
+  %a1371 = alloca { ptr, i64, i64 }, align 16
+  %a1372 = alloca { ptr, i64, i64 }, align 16
+  %a1373 = alloca { ptr, i64, i64 }, align 16
+  %a1376 = alloca { ptr, i64, i64 }, align 16
+  %a1377 = alloca { ptr, i64, i64 }, align 16
+  %a1387 = alloca { ptr, i64, i64 }, align 16
+  %a1388 = alloca { ptr, i64, i64 }, align 16
+  %a1390 = alloca { ptr, i64, i64 }, align 16
+  %a1391 = alloca { ptr, i64, i64 }, align 16
+  %a1399 = alloca { ptr, i64, i64 }, align 16
+  %a1400 = alloca { ptr, i64, i64 }, align 16
+  %a1415 = alloca %S.gen.Val, align 16
+  %a1419 = alloca { ptr, i64, i64 }, align 16
+  %a1420 = alloca { ptr, i64, i64 }, align 16
   %a1449 = alloca { ptr, i64, i64 }, align 16
-  %a1451 = alloca { ptr, i64, i64 }, align 16
   %a1452 = alloca { ptr, i64, i64 }, align 16
-  %a1453 = alloca { ptr, i64, i64 }, align 16
-  %a1455 = alloca { ptr, i64, i64 }, align 16
-  %a1456 = alloca { ptr, i64, i64 }, align 16
   %a1457 = alloca { ptr, i64, i64 }, align 16
-  %a1489 = alloca i64, align 16
-  %a1501 = alloca { ptr, i64, i64 }, align 16
-  %a1511 = alloca { ptr, i64, i64 }, align 16
-  %a1514 = alloca { ptr, i64, i64 }, align 16
-  %a1515 = alloca { ptr, i64, i64 }, align 16
-  %a1542 = alloca { ptr, i64, i64 }, align 16
-  %a1543 = alloca { ptr, i64, i64 }, align 16
-  %a1544 = alloca { ptr, i64, i64 }, align 16
-  %a1546 = alloca { ptr, i64, i64 }, align 16
-  %a1547 = alloca { ptr, i64, i64 }, align 16
-  %a1548 = alloca { ptr, i64, i64 }, align 16
-  %a1553 = alloca { ptr, i64, i64 }, align 16
-  %a1554 = alloca { ptr, i64, i64 }, align 16
-  %a1555 = alloca { ptr, i64, i64 }, align 16
-  %a1557 = alloca { ptr, i64, i64 }, align 16
-  %a1558 = alloca { ptr, i64, i64 }, align 16
-  %a1559 = alloca { ptr, i64, i64 }, align 16
-  %a1563 = alloca { ptr, i64, i64 }, align 16
-  %a1564 = alloca { ptr, i64, i64 }, align 16
-  %a1565 = alloca { ptr, i64, i64 }, align 16
+  %a1458 = alloca { ptr, i64, i64 }, align 16
+  %a1459 = alloca { ptr, i64, i64 }, align 16
+  %a1461 = alloca { ptr, i64, i64 }, align 16
+  %a1462 = alloca { ptr, i64, i64 }, align 16
+  %a1463 = alloca { ptr, i64, i64 }, align 16
+  %a1464 = alloca { ptr, i64, i64 }, align 16
+  %a1467 = alloca { ptr, i64, i64 }, align 16
+  %a1470 = alloca { ptr, i64, i64 }, align 16
+  %a1491 = alloca { ptr, i64, i64 }, align 16
+  %a1492 = alloca { ptr, i64, i64 }, align 16
+  %a1493 = alloca { ptr, i64, i64 }, align 16
+  %a1495 = alloca { ptr, i64, i64 }, align 16
+  %a1496 = alloca { ptr, i64, i64 }, align 16
+  %a1497 = alloca { ptr, i64, i64 }, align 16
+  %a1498 = alloca { ptr, i64, i64 }, align 16
+  %a1500 = alloca { ptr, i64, i64 }, align 16
+  %a1510 = alloca i64, align 16
+  %a1521 = alloca { ptr, i64, i64 }, align 16
+  %a1522 = alloca { ptr, i64, i64 }, align 16
+  %a1523 = alloca { ptr, i64, i64 }, align 16
+  %a1525 = alloca { ptr, i64, i64 }, align 16
+  %a1526 = alloca { ptr, i64, i64 }, align 16
+  %a1527 = alloca { ptr, i64, i64 }, align 16
+  %a1528 = alloca { ptr, i64, i64 }, align 16
+  %a1530 = alloca { ptr, i64, i64 }, align 16
+  %a1543 = alloca i64, align 16
+  %a1567 = alloca { ptr, i64, i64 }, align 16
+  %a1568 = alloca { ptr, i64, i64 }, align 16
+  %a1569 = alloca { ptr, i64, i64 }, align 16
+  %a1571 = alloca { ptr, i64, i64 }, align 16
+  %a1572 = alloca { ptr, i64, i64 }, align 16
+  %a1573 = alloca { ptr, i64, i64 }, align 16
+  %a1574 = alloca { ptr, i64, i64 }, align 16
+  %a1577 = alloca { ptr, i64, i64 }, align 16
+  %a1578 = alloca { ptr, i64, i64 }, align 16
+  %a1579 = alloca { ptr, i64, i64 }, align 16
+  %a1580 = alloca { ptr, i64, i64 }, align 16
+  %a1582 = alloca { ptr, i64, i64 }, align 16
+  %a1583 = alloca { ptr, i64, i64 }, align 16
+  %a1584 = alloca { ptr, i64, i64 }, align 16
+  %a1585 = alloca { ptr, i64, i64 }, align 16
+  %a1587 = alloca { ptr, i64, i64 }, align 16
+  %a1588 = alloca { ptr, i64, i64 }, align 16
+  %a1591 = alloca i64, align 16
+  %a1599 = alloca %S.ast.Type, align 16
+  %a1620 = alloca %S.ast.Type, align 16
+  %a1641 = alloca i64, align 16
+  %a1654 = alloca %S.gen.StructDef, align 16
+  %a1655 = alloca %S.gen.StructDef, align 16
+  %a1657 = alloca %S.gen.StructDef, align 16
+  %a1685 = alloca %S.ast.Node, align 16
+  %a1686 = alloca %S.ast.Node, align 16
+  %a1688 = alloca %S.ast.Node, align 16
+  %a1697 = alloca { ptr, i64, i64 }, align 16
+  %a1698 = alloca { ptr, i64, i64 }, align 16
+  %a1699 = alloca { ptr, i64, i64 }, align 16
+  %a1701 = alloca { ptr, i64, i64 }, align 16
+  %a1702 = alloca { ptr, i64, i64 }, align 16
+  %a1703 = alloca { ptr, i64, i64 }, align 16
+  %a1704 = alloca { ptr, i64, i64 }, align 16
+  %a1708 = alloca { ptr, i64, i64 }, align 16
+  %a1709 = alloca { ptr, i64, i64 }, align 16
+  %a1711 = alloca { ptr, i64, i64 }, align 16
+  %a1712 = alloca { ptr, i64, i64 }, align 16
+  %a1713 = alloca { ptr, i64, i64 }, align 16
+  %a1714 = alloca { ptr, i64, i64 }, align 16
+  %a1715 = alloca { ptr, i64, i64 }, align 16
+  %a1717 = alloca { ptr, i64, i64 }, align 16
+  %a1718 = alloca { ptr, i64, i64 }, align 16
+  %a1719 = alloca { ptr, i64, i64 }, align 16
+  %a1720 = alloca { ptr, i64, i64 }, align 16
+  %a1737 = alloca { ptr, i64, i64 }, align 16
+  %a1753 = alloca i64, align 16
+  %a1765 = alloca { ptr, i64, i64 }, align 16
+  %a1775 = alloca { ptr, i64, i64 }, align 16
+  %a1778 = alloca { ptr, i64, i64 }, align 16
+  %a1779 = alloca { ptr, i64, i64 }, align 16
+  %a1806 = alloca { ptr, i64, i64 }, align 16
+  %a1807 = alloca { ptr, i64, i64 }, align 16
+  %a1808 = alloca { ptr, i64, i64 }, align 16
+  %a1810 = alloca { ptr, i64, i64 }, align 16
+  %a1811 = alloca { ptr, i64, i64 }, align 16
+  %a1812 = alloca { ptr, i64, i64 }, align 16
+  %a1813 = alloca { ptr, i64, i64 }, align 16
+  %a1815 = alloca { ptr, i64, i64 }, align 16
+  %a1819 = alloca { ptr, i64, i64 }, align 16
+  %a1820 = alloca { ptr, i64, i64 }, align 16
+  %a1821 = alloca { ptr, i64, i64 }, align 16
+  %a1823 = alloca { ptr, i64, i64 }, align 16
+  %a1824 = alloca { ptr, i64, i64 }, align 16
+  %a1825 = alloca { ptr, i64, i64 }, align 16
+  %a1826 = alloca { ptr, i64, i64 }, align 16
+  %a1830 = alloca { ptr, i64, i64 }, align 16
+  %a1831 = alloca { ptr, i64, i64 }, align 16
+  %a1832 = alloca { ptr, i64, i64 }, align 16
+  %a1833 = alloca { ptr, i64, i64 }, align 16
+  %a1834 = alloca { ptr, i64, i64 }, align 16
+  %a1836 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
@@ -66521,2184 +78932,2763 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic7320, label %ok7321
-panic7320:
-  call void @finch_panic(ptr @.str.4805, i64 4304, ptr @.str.4806)
+  br i1 %t10, label %panic7704, label %ok7705
+panic7704:
+  call void @finch_panic(ptr @.str.4980, i64 4608, ptr @.str.4981)
   unreachable
-ok7321:
-  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 26
+ok7705:
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 27
   %t12 = load i1, ptr %t11
-  br label %logic.from7322
-logic.from7322:
-  br i1 %t12, label %logic.rhs7323, label %logic.end7324
-logic.rhs7323:
+  br label %logic.from7706
+logic.from7706:
+  br i1 %t12, label %logic.rhs7707, label %logic.end7708
+logic.rhs7707:
   %t13 = load { ptr, i64, i64 }, ptr %a8
   %t14 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t13)
-  br label %logic.rend7325
-logic.rend7325:
-  br label %logic.end7324
-logic.end7324:
-  %t15 = phi i1 [ false, %logic.from7322 ], [ %t14, %logic.rend7325 ]
-  br i1 %t15, label %then7326, label %endif7328
-then7326:
+  br label %logic.rend7709
+logic.rend7709:
+  br label %logic.end7708
+logic.end7708:
+  %t15 = phi i1 [ false, %logic.from7706 ], [ %t14, %logic.rend7709 ]
+  br i1 %t15, label %then7710, label %endif7712
+then7710:
   %t16 = call { ptr, i64, i64 } @finch.docs.builtins()
   %t17 = load { ptr, i64, i64 }, ptr %a8
   %t18 = call %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %t16, { ptr, i64, i64 } %t17)
-  store %S.docs.Doc %t18, ptr %a19
-  %t20 = getelementptr inbounds %S.docs.Doc, ptr %a19, i32 0, i32 0
-  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
-  %t22 = load i64, ptr %t21
-  %t23 = icmp sgt i64 %t22, 0
-  br i1 %t23, label %then7329, label %endif7331
-then7329:
-  %t24 = load ptr, ptr %a1
-  %t25 = load %S.ast.Node, ptr %a2
-  %t26 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t27 = load i64, ptr %t26
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t29 = load i64, ptr %t28
-  %t30 = load %S.docs.Doc, ptr %a19
-  %t31 = call { ptr, i64, i64 } @finch.docs.hover(%S.docs.Doc %t30)
-  call void @finch.gen.noteRef(ptr %t24, %S.ast.Node %t25, i64 %t27, i64 %t29, { ptr, i64, i64 } %t31, { ptr, i64, i64 } { ptr @.str.4807, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif7331
-endif7331:
-  br label %endif7328
-endif7328:
-  %t32 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch.drop.arr_S_docs_Doc(ptr %a19)
+  store %S.docs.Doc %t18, ptr %a20
+  %t21 = getelementptr inbounds %S.docs.Doc, ptr %a20, i32 0, i32 0
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = icmp sgt i64 %t23, 0
+  br i1 %t24, label %then7716, label %endif7718
+then7716:
+  %t25 = load ptr, ptr %a1
+  %t26 = load %S.ast.Node, ptr %a2
+  %t27 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t28 = load i64, ptr %t27
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = load %S.docs.Doc, ptr %a20
+  %t32 = call { ptr, i64, i64 } @finch.docs.hover(%S.docs.Doc %t31)
+  call void @finch.gen.noteRef(ptr %t25, %S.ast.Node %t26, i64 %t28, i64 %t30, { ptr, i64, i64 } %t32, { ptr, i64, i64 } { ptr @.str.4982, i64 0, i64 0 }, i64 0, i64 0)
   store { ptr, i64, i64 } %t32, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.4808, i64 5, i64 0 }, ptr %a34
-  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
-  %t36 = icmp ne i32 %t35, 0
-  br i1 %t36, label %then7332, label %endif7334
-then7332:
-  %t37 = load ptr, ptr %a1
-  %t38 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t37, %S.ast.Node %t38, { ptr, i64, i64 } { ptr @.str.4809, i64 86, i64 0 })
-  br label %endif7334
-endif7334:
-  %t39 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.4810, i64 5, i64 0 }, ptr %a41
-  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
-  %t43 = icmp ne i32 %t42, 0
-  br i1 %t43, label %then7335, label %endif7337
-then7335:
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
-  %t46 = load i64, ptr %t45
-  store i64 0, ptr %a47
-  br label %for.cond7338
-for.cond7338:
-  %t48 = load i64, ptr %a47
-  %t49 = icmp slt i64 %t48, %t46
-  br i1 %t49, label %for.body7339, label %for.end7341
-for.body7339:
-  %t50 = load ptr, ptr %a1
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t52 = load i64, ptr %a47
-  %t53 = load { ptr, i64, i64 }, ptr %t51
-  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
-  %t55 = icmp uge i64 %t52, %t54
-  br i1 %t55, label %range7342, label %inrange7343
-range7342:
-  call void @finch_panic_index(ptr @.str.4811, i64 4315, i64 %t52, i64 %t54)
+  call void @finch_str_drop(ptr %a33)
+  br label %endif7718
+endif7718:
+  call void @finch.drop.S_docs_Doc(ptr %a20)
+  br label %endif7712
+endif7712:
+  %t34 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.4983, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then7719, label %endif7721
+then7719:
+  %t39 = load ptr, ptr %a1
+  %t40 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } { ptr @.str.4984, i64 86, i64 0 })
+  br label %endif7721
+endif7721:
+  %t41 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.4985, i64 5, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br i1 %t45, label %then7722, label %endif7724
+then7722:
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i32 0, i32 1
+  %t48 = load i64, ptr %t47
+  store i64 0, ptr %a49
+  br label %for.cond7725
+for.cond7725:
+  %t50 = load i64, ptr %a49
+  %t51 = icmp slt i64 %t50, %t48
+  br i1 %t51, label %for.body7726, label %for.end7728
+for.body7726:
+  %t52 = load ptr, ptr %a1
+  %t53 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t54 = load i64, ptr %a49
+  %t55 = load { ptr, i64, i64 }, ptr %t53
+  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
+  %t57 = icmp uge i64 %t54, %t56
+  br i1 %t57, label %range7729, label %inrange7730
+range7729:
+  call void @finch_panic_index(ptr @.str.4986, i64 4619, i64 %t54, i64 %t56)
   unreachable
-inrange7343:
-  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
-  %t57 = getelementptr inbounds %S.ast.Node, ptr %t56, i64 %t52
-  %t58 = load %S.ast.Node, ptr %t57
-  %t59 = call %S.gen.Val @finch.gen.expr(ptr %t50, %S.ast.Node %t58)
-  store %S.gen.Val %t59, ptr %a60
-  %t61 = getelementptr inbounds %S.gen.Val, ptr %a60, i32 0, i32 1
-  %t62 = getelementptr inbounds %S.ast.Type, ptr %t61, i32 0, i32 0
-  %t63 = load { ptr, i64, i64 }, ptr %t62
-  store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.4812, i64 4, i64 0 }, ptr %a65
-  %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
-  %t67 = icmp ne i32 %t66, 0
-  br i1 %t67, label %then7344, label %endif7346
-then7344:
-  %t68 = load ptr, ptr %a1
-  %t69 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t70 = load i64, ptr %a47
-  %t71 = load { ptr, i64, i64 }, ptr %t69
-  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
-  %t73 = icmp uge i64 %t70, %t72
-  br i1 %t73, label %range7347, label %inrange7348
-range7347:
-  call void @finch_panic_index(ptr @.str.4813, i64 4317, i64 %t70, i64 %t72)
+inrange7730:
+  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %t58, i64 %t54
+  %t60 = load %S.ast.Node, ptr %t59
+  %t61 = call %S.gen.Val @finch.gen.expr(ptr %t52, %S.ast.Node %t60)
+  store %S.gen.Val %t61, ptr %a62
+  %t63 = getelementptr inbounds %S.gen.Val, ptr %a62, i32 0, i32 1
+  %t64 = getelementptr inbounds %S.ast.Type, ptr %t63, i32 0, i32 0
+  %t65 = load { ptr, i64, i64 }, ptr %t64
+  store { ptr, i64, i64 } %t65, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4987, i64 4, i64 0 }, ptr %a67
+  %t68 = call i32 @finch_str_eq(ptr %a66, ptr %a67)
+  %t69 = icmp ne i32 %t68, 0
+  br i1 %t69, label %then7731, label %endif7733
+then7731:
+  %t70 = load ptr, ptr %a1
+  %t71 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t72 = load i64, ptr %a49
+  %t73 = load { ptr, i64, i64 }, ptr %t71
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 %t72, %t74
+  br i1 %t75, label %range7734, label %inrange7735
+range7734:
+  call void @finch_panic_index(ptr @.str.4988, i64 4621, i64 %t72, i64 %t74)
   unreachable
-inrange7348:
-  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
-  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t70
-  %t76 = load %S.ast.Node, ptr %t75
-  call void @finch.gen.fail(ptr %t68, %S.ast.Node %t76, { ptr, i64, i64 } { ptr @.str.4814, i64 53, i64 0 })
-  br label %endif7346
-endif7346:
-  %t77 = load i64, ptr %a47
-  %t78 = icmp sgt i64 %t77, 0
-  br i1 %t78, label %then7349, label %endif7351
-then7349:
-  %t79 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t79, { ptr, i64, i64 } { ptr @.str.4815, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4816, i64 0, i64 0 })
-  br label %endif7351
-endif7351:
-  %t80 = load ptr, ptr %a1
-  %t81 = getelementptr inbounds %S.gen.Val, ptr %a60, i32 0, i32 0
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  %t83 = getelementptr inbounds %S.gen.Val, ptr %a60, i32 0, i32 1
-  %t84 = load %S.ast.Type, ptr %t83
-  call void @finch.gen.emitPrint(ptr %t80, { ptr, i64, i64 } %t82, %S.ast.Type %t84, i1 false)
-  br label %for.step7340
-for.step7340:
-  %t85 = load i64, ptr %a47
-  %t86 = add i64 %t85, 1
-  store i64 %t86, ptr %a47
-  br label %for.cond7338
-for.end7341:
+inrange7735:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %t76, i64 %t72
+  %t78 = load %S.ast.Node, ptr %t77
+  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t78, { ptr, i64, i64 } { ptr @.str.4989, i64 53, i64 0 })
+  br label %endif7733
+endif7733:
+  %t79 = load i64, ptr %a49
+  %t80 = icmp sgt i64 %t79, 0
+  br i1 %t80, label %then7736, label %endif7738
+then7736:
+  %t81 = load ptr, ptr %a1
+  call void @finch.gen.printf(ptr %t81, { ptr, i64, i64 } { ptr @.str.4990, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4991, i64 0, i64 0 })
+  br label %endif7738
+endif7738:
+  %t82 = load ptr, ptr %a1
+  %t83 = getelementptr inbounds %S.gen.Val, ptr %a62, i32 0, i32 0
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  %t85 = getelementptr inbounds %S.gen.Val, ptr %a62, i32 0, i32 1
+  %t86 = load %S.ast.Type, ptr %t85
+  call void @finch.gen.emitPrint(ptr %t82, { ptr, i64, i64 } %t84, %S.ast.Type %t86, i1 false)
   %t87 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t87, { ptr, i64, i64 } { ptr @.str.4817, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4818, i64 0, i64 0 })
-  %t88 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4819, i64 4, i64 0 })
-  %t89 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t88, 1
-  ret %S.gen.Val %t89
-endif7337:
-  %t90 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.4820, i64 4, i64 0 }, ptr %a92
-  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
-  %t94 = icmp ne i32 %t93, 0
-  br i1 %t94, label %then7352, label %endif7354
-then7352:
-  %t95 = load ptr, ptr %a1
-  %t96 = load %S.ast.Node, ptr %a2
-  %t97 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t95, %S.ast.Node %t96, i64 0, i64 1, { ptr, i64, i64 } %t97)
-  %t98 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t99 = load { ptr, i64, i64 }, ptr %t98
-  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
-  %t101 = icmp uge i64 0, %t100
-  br i1 %t101, label %range7355, label %inrange7356
-range7355:
-  call void @finch_panic_index(ptr @.str.4821, i64 4329, i64 0, i64 %t100)
+  %t88 = load %S.gen.Val, ptr %a62
+  call void @finch.gen.release(ptr %t87, %S.gen.Val %t88)
+  call void @finch.drop.S_gen_Val(ptr %a62)
+  br label %for.step7727
+for.step7727:
+  %t89 = load i64, ptr %a49
+  %t90 = add i64 %t89, 1
+  store i64 %t90, ptr %a49
+  br label %for.cond7725
+for.end7728:
+  %t91 = load ptr, ptr %a1
+  call void @finch.gen.printf(ptr %t91, { ptr, i64, i64 } { ptr @.str.4992, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4993, i64 0, i64 0 })
+  %t92 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4994, i64 4, i64 0 })
+  %t93 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t92, 1
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t93
+endif7724:
+  %t94 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t94, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.4995, i64 4, i64 0 }, ptr %a96
+  %t97 = call i32 @finch_str_eq(ptr %a95, ptr %a96)
+  %t98 = icmp ne i32 %t97, 0
+  br i1 %t98, label %then7739, label %endif7741
+then7739:
+  %t99 = load ptr, ptr %a1
+  %t100 = load %S.ast.Node, ptr %a2
+  %t101 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t99, %S.ast.Node %t100, i64 0, i64 1, { ptr, i64, i64 } %t101)
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t103 = load { ptr, i64, i64 }, ptr %t102
+  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
+  %t105 = icmp uge i64 0, %t104
+  br i1 %t105, label %range7742, label %inrange7743
+range7742:
+  call void @finch_panic_index(ptr @.str.4996, i64 4634, i64 0, i64 %t104)
   unreachable
-inrange7356:
-  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
-  %t103 = getelementptr inbounds %S.ast.Node, ptr %t102, i64 0
-  %t104 = load %S.ast.Node, ptr %t103
-  store %S.ast.Node %t104, ptr %a105
-  call void @finch.copy.S_ast_Node(ptr %a106, ptr %a105)
-  %t107 = load %S.ast.Node, ptr %a106
-  store %S.ast.Node %t107, ptr %a108
-  %t109 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t110 = load { ptr, i64, i64 }, ptr %t109
-  store { ptr, i64, i64 } %t110, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.4822, i64 3, i64 0 }, ptr %a112
-  %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
-  %t114 = icmp ne i32 %t113, 0
-  br label %logic.from7357
-logic.from7357:
-  br i1 %t114, label %logic.rhs7358, label %logic.end7359
-logic.rhs7358:
-  %t115 = load ptr, ptr %a1
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 1
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  %t118 = call i64 @finch.gen.lookup(ptr %t115, { ptr, i64, i64 } %t117)
-  %t119 = icmp slt i64 %t118, 0
-  br label %logic.rend7360
-logic.rend7360:
-  br label %logic.end7359
-logic.end7359:
-  %t120 = phi i1 [ false, %logic.from7357 ], [ %t119, %logic.rend7360 ]
-  br i1 %t120, label %then7361, label %endif7363
-then7361:
-  %t121 = load ptr, ptr %a1
-  %t122 = load ptr, ptr %a1
-  %t123 = icmp eq ptr %t122, null
-  br i1 %t123, label %panic7364, label %ok7365
-panic7364:
-  call void @finch_panic(ptr @.str.4823, i64 4331, ptr @.str.4824)
+inrange7743:
+  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
+  %t107 = getelementptr inbounds %S.ast.Node, ptr %t106, i64 0
+  %t108 = load %S.ast.Node, ptr %t107
+  store %S.ast.Node %t108, ptr %a109
+  call void @finch.copy.S_ast_Node(ptr %a110, ptr %a109)
+  %t111 = load %S.ast.Node, ptr %a110
+  store %S.ast.Node %t111, ptr %a112
+  %t113 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.4997, i64 3, i64 0 }, ptr %a116
+  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
+  %t118 = icmp ne i32 %t117, 0
+  br label %logic.from7744
+logic.from7744:
+  br i1 %t118, label %logic.rhs7745, label %logic.end7746
+logic.rhs7745:
+  %t119 = load ptr, ptr %a1
+  %t120 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %t120
+  %t122 = call i64 @finch.gen.lookup(ptr %t119, { ptr, i64, i64 } %t121)
+  %t123 = icmp slt i64 %t122, 0
+  br label %logic.rend7747
+logic.rend7747:
+  br label %logic.end7746
+logic.end7746:
+  %t124 = phi i1 [ false, %logic.from7744 ], [ %t123, %logic.rend7747 ]
+  br i1 %t124, label %then7748, label %endif7750
+then7748:
+  %t125 = load ptr, ptr %a1
+  %t126 = load ptr, ptr %a1
+  %t127 = icmp eq ptr %t126, null
+  br i1 %t127, label %panic7751, label %ok7752
+panic7751:
+  call void @finch_panic(ptr @.str.4998, i64 4636, ptr @.str.4999)
   unreachable
-ok7365:
-  %t124 = getelementptr inbounds %S.gen.Gen, ptr %t122, i32 0, i32 13
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  %t126 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 1
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  %t128 = call i64 @finch.gen.findFn(ptr %t121, { ptr, i64, i64 } %t125, { ptr, i64, i64 } %t127)
-  store i64 %t128, ptr %a129
-  %t130 = load i64, ptr %a129
-  %t131 = icmp sge i64 %t130, 0
-  br i1 %t131, label %then7366, label %endif7368
-then7366:
-  %t132 = load ptr, ptr %a1
-  %t133 = load i64, ptr %a129
-  %t134 = load %S.ast.Node, ptr %a108
-  %t135 = call { ptr, i64, i64 } @finch.gen.cThunk(ptr %t132, i64 %t133, %S.ast.Node %t134)
-  %t136 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t135, 0
-  %t137 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4825, i64 3, i64 0 })
-  %t138 = insertvalue %S.gen.Val %t136, %S.ast.Type %t137, 1
-  ret %S.gen.Val %t138
-endif7368:
-  br label %endif7363
-endif7363:
-  %t139 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t140 = load { ptr, i64, i64 }, ptr %t139
-  store { ptr, i64, i64 } %t140, ptr %a141
-  store { ptr, i64, i64 } { ptr @.str.4826, i64 3, i64 0 }, ptr %a142
-  %t143 = call i32 @finch_str_eq(ptr %a141, ptr %a142)
-  %t144 = icmp eq i32 %t143, 0
-  br label %logic.from7369
-logic.from7369:
-  br i1 %t144, label %logic.rhs7370, label %logic.end7371
-logic.rhs7370:
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t146 = load { ptr, i64, i64 }, ptr %t145
-  store { ptr, i64, i64 } %t146, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.4827, i64 6, i64 0 }, ptr %a148
-  %t149 = call i32 @finch_str_eq(ptr %a147, ptr %a148)
-  %t150 = icmp eq i32 %t149, 0
-  br label %logic.rend7372
-logic.rend7372:
-  br label %logic.end7371
-logic.end7371:
-  %t151 = phi i1 [ false, %logic.from7369 ], [ %t150, %logic.rend7372 ]
-  br label %logic.from7373
-logic.from7373:
-  br i1 %t151, label %logic.rhs7374, label %logic.end7375
-logic.rhs7374:
-  %t152 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t153 = load { ptr, i64, i64 }, ptr %t152
-  store { ptr, i64, i64 } %t153, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.4828, i64 5, i64 0 }, ptr %a155
-  %t156 = call i32 @finch_str_eq(ptr %a154, ptr %a155)
-  %t157 = icmp eq i32 %t156, 0
-  br label %logic.rend7376
-logic.rend7376:
-  br label %logic.end7375
-logic.end7375:
-  %t158 = phi i1 [ false, %logic.from7373 ], [ %t157, %logic.rend7376 ]
-  br i1 %t158, label %then7377, label %endif7379
-then7377:
-  %t159 = load ptr, ptr %a1
-  %t160 = load %S.ast.Node, ptr %a108
-  call void @finch.gen.fail(ptr %t159, %S.ast.Node %t160, { ptr, i64, i64 } { ptr @.str.4829, i64 63, i64 0 })
-  br label %endif7379
-endif7379:
-  %t161 = load ptr, ptr %a1
-  %t162 = load %S.ast.Node, ptr %a108
-  %t163 = call %S.gen.Place @finch.gen.place(ptr %t161, %S.ast.Node %t162, i1 true)
-  store %S.gen.Place %t163, ptr %a164
-  %t165 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
-  %t166 = load { ptr, i64, i64 }, ptr %t165
-  store { ptr, i64, i64 } %t166, ptr %a167
-  call void @finch_str_copy(ptr %a168, ptr %a167)
-  %t169 = load { ptr, i64, i64 }, ptr %a168
-  %t170 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t169, 0
-  %t171 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
-  %t172 = load %S.ast.Type, ptr %t171
-  %t173 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t172)
-  %t174 = insertvalue %S.gen.Val %t170, %S.ast.Type %t173, 1
-  ret %S.gen.Val %t174
-endif7354:
-  %t175 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t175, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.4830, i64 3, i64 0 }, ptr %a177
-  %t178 = call i32 @finch_str_eq(ptr %a176, ptr %a177)
-  %t179 = icmp ne i32 %t178, 0
-  br i1 %t179, label %then7380, label %endif7382
-then7380:
-  %t180 = load ptr, ptr %a1
-  %t181 = load %S.ast.Node, ptr %a2
-  %t182 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t180, %S.ast.Node %t181, i64 0, i64 1, { ptr, i64, i64 } %t182)
-  %t183 = load ptr, ptr %a1
-  %t184 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t185 = load { ptr, i64, i64 }, ptr %t184
-  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
-  %t187 = icmp uge i64 0, %t186
-  br i1 %t187, label %range7383, label %inrange7384
-range7383:
-  call void @finch_panic_index(ptr @.str.4831, i64 4344, i64 0, i64 %t186)
+ok7752:
+  %t128 = getelementptr inbounds %S.gen.Gen, ptr %t126, i32 0, i32 14
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  %t130 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 1
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  %t132 = call i64 @finch.gen.findFn(ptr %t125, { ptr, i64, i64 } %t129, { ptr, i64, i64 } %t131)
+  store i64 %t132, ptr %a133
+  %t134 = load i64, ptr %a133
+  %t135 = icmp sge i64 %t134, 0
+  br i1 %t135, label %then7753, label %endif7755
+then7753:
+  %t136 = load ptr, ptr %a1
+  %t137 = load i64, ptr %a133
+  %t138 = load %S.ast.Node, ptr %a112
+  %t139 = call { ptr, i64, i64 } @finch.gen.cThunk(ptr %t136, i64 %t137, %S.ast.Node %t138)
+  %t140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
+  %t141 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5000, i64 3, i64 0 })
+  %t142 = insertvalue %S.gen.Val %t140, %S.ast.Type %t141, 1
+  call void @finch.drop.S_ast_Node(ptr %a112)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t142
+endif7755:
+  br label %endif7750
+endif7750:
+  %t143 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t144 = load { ptr, i64, i64 }, ptr %t143
+  store { ptr, i64, i64 } %t144, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.5001, i64 3, i64 0 }, ptr %a146
+  %t147 = call i32 @finch_str_eq(ptr %a145, ptr %a146)
+  %t148 = icmp eq i32 %t147, 0
+  br label %logic.from7756
+logic.from7756:
+  br i1 %t148, label %logic.rhs7757, label %logic.end7758
+logic.rhs7757:
+  %t149 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t150 = load { ptr, i64, i64 }, ptr %t149
+  store { ptr, i64, i64 } %t150, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.5002, i64 6, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
+  %t154 = icmp eq i32 %t153, 0
+  br label %logic.rend7759
+logic.rend7759:
+  br label %logic.end7758
+logic.end7758:
+  %t155 = phi i1 [ false, %logic.from7756 ], [ %t154, %logic.rend7759 ]
+  br label %logic.from7760
+logic.from7760:
+  br i1 %t155, label %logic.rhs7761, label %logic.end7762
+logic.rhs7761:
+  %t156 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.5003, i64 5, i64 0 }, ptr %a159
+  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
+  %t161 = icmp eq i32 %t160, 0
+  br label %logic.rend7763
+logic.rend7763:
+  br label %logic.end7762
+logic.end7762:
+  %t162 = phi i1 [ false, %logic.from7760 ], [ %t161, %logic.rend7763 ]
+  br i1 %t162, label %then7764, label %endif7766
+then7764:
+  %t163 = load ptr, ptr %a1
+  %t164 = load %S.ast.Node, ptr %a112
+  call void @finch.gen.fail(ptr %t163, %S.ast.Node %t164, { ptr, i64, i64 } { ptr @.str.5004, i64 63, i64 0 })
+  br label %endif7766
+endif7766:
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.ast.Node, ptr %a112
+  %t167 = call %S.gen.Place @finch.gen.place(ptr %t165, %S.ast.Node %t166, i1 true)
+  store %S.gen.Place %t167, ptr %a168
+  %t169 = getelementptr inbounds %S.gen.Place, ptr %a168, i32 0, i32 0
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_copy(ptr %a172, ptr %a171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  %t174 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t173, 0
+  %t175 = getelementptr inbounds %S.gen.Place, ptr %a168, i32 0, i32 1
+  %t176 = load %S.ast.Type, ptr %t175
+  %t177 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t176)
+  %t178 = insertvalue %S.gen.Val %t174, %S.ast.Type %t177, 1
+  call void @finch.drop.S_gen_Place(ptr %a168)
+  call void @finch.drop.S_ast_Node(ptr %a112)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t178
+endif7741:
+  %t179 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t179, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5005, i64 3, i64 0 }, ptr %a181
+  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
+  %t183 = icmp ne i32 %t182, 0
+  br i1 %t183, label %then7767, label %endif7769
+then7767:
+  %t184 = load ptr, ptr %a1
+  %t185 = load %S.ast.Node, ptr %a2
+  %t186 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t184, %S.ast.Node %t185, i64 0, i64 1, { ptr, i64, i64 } %t186)
+  %t187 = load ptr, ptr %a1
+  %t188 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  %t190 = extractvalue { ptr, i64, i64 } %t189, 1
+  %t191 = icmp uge i64 0, %t190
+  br i1 %t191, label %range7770, label %inrange7771
+range7770:
+  call void @finch_panic_index(ptr @.str.5006, i64 4649, i64 0, i64 %t190)
   unreachable
-inrange7384:
-  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
-  %t189 = getelementptr inbounds %S.ast.Node, ptr %t188, i64 0
-  %t190 = load %S.ast.Node, ptr %t189
-  %t191 = call %S.gen.Val @finch.gen.expr(ptr %t183, %S.ast.Node %t190)
-  store %S.gen.Val %t191, ptr %a192
-  %t193 = load ptr, ptr %a1
-  %t194 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t193)
-  store { ptr, i64, i64 } %t194, ptr %a195
-  %t196 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t197 = getelementptr inbounds %S.ast.Type, ptr %t196, i32 0, i32 0
-  %t198 = load { ptr, i64, i64 }, ptr %t197
+inrange7771:
+  %t192 = extractvalue { ptr, i64, i64 } %t189, 0
+  %t193 = getelementptr inbounds %S.ast.Node, ptr %t192, i64 0
+  %t194 = load %S.ast.Node, ptr %t193
+  %t195 = call %S.gen.Val @finch.gen.expr(ptr %t187, %S.ast.Node %t194)
+  store %S.gen.Val %t195, ptr %a196
+  %t197 = load ptr, ptr %a1
+  %t198 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t197)
   store { ptr, i64, i64 } %t198, ptr %a199
-  call void @finch_str_copy(ptr %a200, ptr %a199)
-  %t201 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t201, ptr %a202
-  %t203 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t203, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.4832, i64 3, i64 0 }, ptr %a205
-  %t206 = call i32 @finch_str_eq(ptr %a204, ptr %a205)
-  %t207 = icmp ne i32 %t206, 0
-  br i1 %t207, label %then7385, label %else7386
-then7385:
-  %t208 = load ptr, ptr %a1
-  %t209 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  %t211 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t212 = load %S.ast.Type, ptr %t211
-  %t213 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t208, { ptr, i64, i64 } %t210, %S.ast.Type %t212)
-  %t214 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t213, 0
-  %t215 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t216 = load %S.ast.Type, ptr %t215
-  store %S.ast.Type %t216, ptr %a217
-  call void @finch.copy.S_ast_Type(ptr %a218, ptr %a217)
-  %t219 = load %S.ast.Type, ptr %a218
-  %t220 = insertvalue %S.gen.Val %t214, %S.ast.Type %t219, 1
-  %t221 = insertvalue %S.gen.Val %t220, i1 true, 2
-  ret %S.gen.Val %t221
-else7386:
-  %t222 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t223 = load %S.ast.Type, ptr %t222
-  %t224 = call i1 @finch.gen.isSigned(%S.ast.Type %t223)
-  br i1 %t224, label %then7388, label %else7389
-then7388:
-  %t225 = load ptr, ptr %a1
-  %t226 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4833, i64 34, i64 0 }, ptr %a228
-  store { ptr, i64, i64 } %t226, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  store { ptr, i64, i64 } %t230, ptr %a232
-  store { ptr, i64, i64 } { ptr @.str.4834, i64 6, i64 0 }, ptr %a233
-  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
-  %t234 = load { ptr, i64, i64 }, ptr %a231
-  %t235 = load ptr, ptr %a1
-  %t236 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t237 = load { ptr, i64, i64 }, ptr %t236
-  %t238 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t239 = load %S.ast.Type, ptr %t238
-  %t240 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4835, i64 3, i64 0 })
-  %t241 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t235, { ptr, i64, i64 } %t237, %S.ast.Type %t239, %S.ast.Type %t240)
-  store { ptr, i64, i64 } %t234, ptr %a243
-  store { ptr, i64, i64 } %t241, ptr %a244
-  call void @finch_str_concat(ptr %a242, ptr %a243, ptr %a244)
-  %t245 = load { ptr, i64, i64 }, ptr %a242
-  store { ptr, i64, i64 } %t245, ptr %a247
-  store { ptr, i64, i64 } { ptr @.str.4836, i64 1, i64 0 }, ptr %a248
+  %t200 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t201 = getelementptr inbounds %S.ast.Type, ptr %t200, i32 0, i32 0
+  %t202 = load { ptr, i64, i64 }, ptr %t201
+  store { ptr, i64, i64 } %t202, ptr %a203
+  call void @finch_str_copy(ptr %a204, ptr %a203)
+  %t205 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t205, ptr %a206
+  store i1 false, ptr %a207
+  %t208 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t208, ptr %a209
+  store { ptr, i64, i64 } { ptr @.str.5007, i64 3, i64 0 }, ptr %a210
+  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
+  %t212 = icmp ne i32 %t211, 0
+  br i1 %t212, label %then7772, label %else7773
+then7772:
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.gen.Val, ptr %a196
+  %t215 = call { ptr, i64, i64 } @finch.gen.own(ptr %t213, %S.gen.Val %t214)
+  %t216 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t215, 0
+  %t217 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t218 = load %S.ast.Type, ptr %t217
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.copy.S_ast_Type(ptr %a220, ptr %a219)
+  %t221 = load %S.ast.Type, ptr %a220
+  %t222 = insertvalue %S.gen.Val %t216, %S.ast.Type %t221, 1
+  %t223 = insertvalue %S.gen.Val %t222, i1 true, 2
+  call void @finch_str_drop(ptr %a206)
+  call void @finch_str_drop(ptr %a199)
+  call void @finch.drop.S_gen_Val(ptr %a196)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t223
+else7773:
+  %t224 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t225 = load %S.ast.Type, ptr %t224
+  %t226 = call i1 @finch.gen.isSigned(%S.ast.Type %t225)
+  br i1 %t226, label %then7775, label %else7776
+then7775:
+  %t227 = load ptr, ptr %a1
+  %t228 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5008, i64 34, i64 0 }, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  %t232 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t232, ptr %a234
+  store { ptr, i64, i64 } { ptr @.str.5009, i64 6, i64 0 }, ptr %a235
+  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
+  store { ptr, i64, i64 } %t232, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a233
+  %t238 = load ptr, ptr %a1
+  %t239 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t242 = load %S.ast.Type, ptr %t241
+  %t243 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5010, i64 3, i64 0 })
+  %t244 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t238, { ptr, i64, i64 } %t240, %S.ast.Type %t242, %S.ast.Type %t243)
+  store %S.ast.Type %t243, ptr %a245
+  call void @finch.drop.S_ast_Type(ptr %a245)
+  store { ptr, i64, i64 } %t237, ptr %a247
+  store { ptr, i64, i64 } %t244, ptr %a248
   call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
-  %t249 = load { ptr, i64, i64 }, ptr %a246
-  call void @finch.gen.emit(ptr %t225, { ptr, i64, i64 } %t249)
-  br label %endif7390
-else7389:
-  %t250 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t251 = load %S.ast.Type, ptr %t250
-  %t252 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t251)
-  br i1 %t252, label %then7391, label %else7392
-then7391:
-  %t253 = load ptr, ptr %a1
-  %t254 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4837, i64 35, i64 0 }, ptr %a256
-  store { ptr, i64, i64 } %t254, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  store { ptr, i64, i64 } %t258, ptr %a260
-  store { ptr, i64, i64 } { ptr @.str.4838, i64 6, i64 0 }, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  %t263 = load ptr, ptr %a1
-  %t264 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  %t266 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t267 = load %S.ast.Type, ptr %t266
-  %t268 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4839, i64 3, i64 0 })
-  %t269 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t263, { ptr, i64, i64 } %t265, %S.ast.Type %t267, %S.ast.Type %t268)
-  store { ptr, i64, i64 } %t262, ptr %a271
-  store { ptr, i64, i64 } %t269, ptr %a272
-  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
-  %t273 = load { ptr, i64, i64 }, ptr %a270
-  store { ptr, i64, i64 } %t273, ptr %a275
-  store { ptr, i64, i64 } { ptr @.str.4840, i64 1, i64 0 }, ptr %a276
-  call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
-  %t277 = load { ptr, i64, i64 }, ptr %a274
-  call void @finch.gen.emit(ptr %t253, { ptr, i64, i64 } %t277)
-  br label %endif7393
-else7392:
-  %t278 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t279 = load %S.ast.Type, ptr %t278
-  %t280 = call i1 @finch.gen.isFloat(%S.ast.Type %t279)
-  br i1 %t280, label %then7394, label %else7395
-then7394:
-  %t281 = load ptr, ptr %a1
-  %t282 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4841, i64 36, i64 0 }, ptr %a284
-  store { ptr, i64, i64 } %t282, ptr %a285
-  call void @finch_str_concat(ptr %a283, ptr %a284, ptr %a285)
-  %t286 = load { ptr, i64, i64 }, ptr %a283
-  store { ptr, i64, i64 } %t286, ptr %a288
-  store { ptr, i64, i64 } { ptr @.str.4842, i64 9, i64 0 }, ptr %a289
-  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
-  %t290 = load { ptr, i64, i64 }, ptr %a287
-  %t291 = load ptr, ptr %a1
-  %t292 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t293 = load { ptr, i64, i64 }, ptr %t292
-  %t294 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t295 = load %S.ast.Type, ptr %t294
-  %t296 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4843, i64 5, i64 0 })
-  %t297 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t291, { ptr, i64, i64 } %t293, %S.ast.Type %t295, %S.ast.Type %t296)
-  store { ptr, i64, i64 } %t290, ptr %a299
-  store { ptr, i64, i64 } %t297, ptr %a300
-  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
-  %t301 = load { ptr, i64, i64 }, ptr %a298
-  store { ptr, i64, i64 } %t301, ptr %a303
-  store { ptr, i64, i64 } { ptr @.str.4844, i64 1, i64 0 }, ptr %a304
-  call void @finch_str_concat(ptr %a302, ptr %a303, ptr %a304)
-  %t305 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.emit(ptr %t281, { ptr, i64, i64 } %t305)
-  br label %endif7396
-else7395:
-  %t306 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t306, ptr %a307
-  store { ptr, i64, i64 } { ptr @.str.4845, i64 4, i64 0 }, ptr %a308
-  %t309 = call i32 @finch_str_eq(ptr %a307, ptr %a308)
-  %t310 = icmp ne i32 %t309, 0
-  br i1 %t310, label %then7397, label %else7398
-then7397:
-  %t311 = load ptr, ptr %a1
-  %t312 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4846, i64 35, i64 0 }, ptr %a314
-  store { ptr, i64, i64 } %t312, ptr %a315
-  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  store { ptr, i64, i64 } %t316, ptr %a318
-  store { ptr, i64, i64 } { ptr @.str.4847, i64 13, i64 0 }, ptr %a319
-  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
-  %t320 = load { ptr, i64, i64 }, ptr %a317
-  %t321 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t322 = load { ptr, i64, i64 }, ptr %t321
-  store { ptr, i64, i64 } %t320, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.4848, i64 1, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  call void @finch.gen.emit(ptr %t311, { ptr, i64, i64 } %t330)
-  br label %endif7399
-else7398:
-  %t331 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t331, ptr %a332
-  store { ptr, i64, i64 } { ptr @.str.4849, i64 4, i64 0 }, ptr %a333
-  %t334 = call i32 @finch_str_eq(ptr %a332, ptr %a333)
-  %t335 = icmp ne i32 %t334, 0
-  br i1 %t335, label %then7400, label %else7401
-then7400:
-  %t336 = load ptr, ptr %a1
-  %t337 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t338 = load { ptr, i64, i64 }, ptr %t337
-  store { ptr, i64, i64 } { ptr @.str.4850, i64 8, i64 0 }, ptr %a340
-  store { ptr, i64, i64 } %t338, ptr %a341
-  call void @finch_str_concat(ptr %a339, ptr %a340, ptr %a341)
-  %t342 = load { ptr, i64, i64 }, ptr %a339
-  store { ptr, i64, i64 } %t342, ptr %a344
-  store { ptr, i64, i64 } { ptr @.str.4851, i64 7, i64 0 }, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  %t347 = call { ptr, i64, i64 } @finch.gen.op(ptr %t336, { ptr, i64, i64 } %t346)
-  store { ptr, i64, i64 } %t347, ptr %a348
-  %t349 = load ptr, ptr %a1
-  %t350 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4852, i64 35, i64 0 }, ptr %a352
-  store { ptr, i64, i64 } %t350, ptr %a353
-  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
-  %t354 = load { ptr, i64, i64 }, ptr %a351
-  store { ptr, i64, i64 } %t354, ptr %a356
-  store { ptr, i64, i64 } { ptr @.str.4853, i64 6, i64 0 }, ptr %a357
-  call void @finch_str_concat(ptr %a355, ptr %a356, ptr %a357)
-  %t358 = load { ptr, i64, i64 }, ptr %a355
-  %t359 = load { ptr, i64, i64 }, ptr %a348
-  store { ptr, i64, i64 } %t358, ptr %a361
-  store { ptr, i64, i64 } %t359, ptr %a362
-  call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.4854, i64 1, i64 0 }, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  call void @finch.gen.emit(ptr %t349, { ptr, i64, i64 } %t367)
-  br label %endif7402
-else7401:
-  %t368 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t368, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.4855, i64 3, i64 0 }, ptr %a370
-  %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
-  %t372 = icmp ne i32 %t371, 0
-  br i1 %t372, label %then7403, label %else7404
-then7403:
-  %t373 = load ptr, ptr %a1
-  %t374 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.gen.store(ptr %t373, { ptr, i64, i64 } { ptr @.str.4856, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4857, i64 15, i64 0 }, { ptr, i64, i64 } %t374)
+  store { ptr, i64, i64 } %t237, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  store { ptr, i64, i64 } %t244, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.5011, i64 1, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  call void @finch.gen.emit(ptr %t227, { ptr, i64, i64 } %t256)
+  store { ptr, i64, i64 } %t256, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  br label %endif7777
+else7776:
+  %t258 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t259 = load %S.ast.Type, ptr %t258
+  %t260 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t259)
+  br i1 %t260, label %then7778, label %else7779
+then7778:
+  %t261 = load ptr, ptr %a1
+  %t262 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5012, i64 35, i64 0 }, ptr %a264
+  store { ptr, i64, i64 } %t262, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  %t266 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t266, ptr %a268
+  store { ptr, i64, i64 } { ptr @.str.5013, i64 6, i64 0 }, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t266, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a267
+  %t272 = load ptr, ptr %a1
+  %t273 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t274 = load { ptr, i64, i64 }, ptr %t273
+  %t275 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t276 = load %S.ast.Type, ptr %t275
+  %t277 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5014, i64 3, i64 0 })
+  %t278 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t272, { ptr, i64, i64 } %t274, %S.ast.Type %t276, %S.ast.Type %t277)
+  store %S.ast.Type %t277, ptr %a279
+  call void @finch.drop.S_ast_Type(ptr %a279)
+  store { ptr, i64, i64 } %t271, ptr %a281
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
+  store { ptr, i64, i64 } %t271, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  store { ptr, i64, i64 } %t278, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a280
+  store { ptr, i64, i64 } %t285, ptr %a287
+  store { ptr, i64, i64 } { ptr @.str.5015, i64 1, i64 0 }, ptr %a288
+  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
+  store { ptr, i64, i64 } %t285, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a286
+  call void @finch.gen.emit(ptr %t261, { ptr, i64, i64 } %t290)
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  br label %endif7780
+else7779:
+  %t292 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t293 = load %S.ast.Type, ptr %t292
+  %t294 = call i1 @finch.gen.isFloat(%S.ast.Type %t293)
+  br i1 %t294, label %then7781, label %else7782
+then7781:
+  %t295 = load ptr, ptr %a1
+  %t296 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5016, i64 36, i64 0 }, ptr %a298
+  store { ptr, i64, i64 } %t296, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } %t300, ptr %a302
+  store { ptr, i64, i64 } { ptr @.str.5017, i64 9, i64 0 }, ptr %a303
+  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
+  store { ptr, i64, i64 } %t300, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load { ptr, i64, i64 }, ptr %a301
+  %t306 = load ptr, ptr %a1
+  %t307 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t308 = load { ptr, i64, i64 }, ptr %t307
+  %t309 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t310 = load %S.ast.Type, ptr %t309
+  %t311 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5018, i64 5, i64 0 })
+  %t312 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t306, { ptr, i64, i64 } %t308, %S.ast.Type %t310, %S.ast.Type %t311)
+  store %S.ast.Type %t311, ptr %a313
+  call void @finch.drop.S_ast_Type(ptr %a313)
+  store { ptr, i64, i64 } %t305, ptr %a315
+  store { ptr, i64, i64 } %t312, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t305, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  store { ptr, i64, i64 } %t312, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t319, ptr %a321
+  store { ptr, i64, i64 } { ptr @.str.5019, i64 1, i64 0 }, ptr %a322
+  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+  store { ptr, i64, i64 } %t319, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a320
+  call void @finch.gen.emit(ptr %t295, { ptr, i64, i64 } %t324)
+  store { ptr, i64, i64 } %t324, ptr %a325
+  call void @finch_str_drop(ptr %a325)
+  br label %endif7783
+else7782:
+  %t326 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t326, ptr %a327
+  store { ptr, i64, i64 } { ptr @.str.5020, i64 4, i64 0 }, ptr %a328
+  %t329 = call i32 @finch_str_eq(ptr %a327, ptr %a328)
+  %t330 = icmp ne i32 %t329, 0
+  br i1 %t330, label %then7784, label %else7785
+then7784:
+  %t331 = load ptr, ptr %a1
+  %t332 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5021, i64 35, i64 0 }, ptr %a334
+  store { ptr, i64, i64 } %t332, ptr %a335
+  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a333
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.5022, i64 13, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  store { ptr, i64, i64 } %t336, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  %t341 = load { ptr, i64, i64 }, ptr %a337
+  %t342 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t343 = load { ptr, i64, i64 }, ptr %t342
+  store { ptr, i64, i64 } %t341, ptr %a345
+  store { ptr, i64, i64 } %t343, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t341, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a344
+  store { ptr, i64, i64 } %t348, ptr %a350
+  store { ptr, i64, i64 } { ptr @.str.5023, i64 1, i64 0 }, ptr %a351
+  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
+  store { ptr, i64, i64 } %t348, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a349
+  call void @finch.gen.emit(ptr %t331, { ptr, i64, i64 } %t353)
+  store { ptr, i64, i64 } %t353, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  br label %endif7786
+else7785:
+  %t355 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t355, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5024, i64 4, i64 0 }, ptr %a357
+  %t358 = call i32 @finch_str_eq(ptr %a356, ptr %a357)
+  %t359 = icmp ne i32 %t358, 0
+  br i1 %t359, label %then7787, label %else7788
+then7787:
+  %t360 = load ptr, ptr %a1
+  %t361 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t362 = load { ptr, i64, i64 }, ptr %t361
+  store { ptr, i64, i64 } { ptr @.str.5025, i64 8, i64 0 }, ptr %a364
+  store { ptr, i64, i64 } %t362, ptr %a365
+  call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
+  %t366 = load { ptr, i64, i64 }, ptr %a363
+  store { ptr, i64, i64 } %t366, ptr %a368
+  store { ptr, i64, i64 } { ptr @.str.5026, i64 7, i64 0 }, ptr %a369
+  call void @finch_str_concat(ptr %a367, ptr %a368, ptr %a369)
+  store { ptr, i64, i64 } %t366, ptr %a370
+  call void @finch_str_drop(ptr %a370)
+  %t371 = load { ptr, i64, i64 }, ptr %a367
+  %t372 = call { ptr, i64, i64 } @finch.gen.op(ptr %t360, { ptr, i64, i64 } %t371)
+  store { ptr, i64, i64 } %t371, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  store { ptr, i64, i64 } %t372, ptr %a374
   %t375 = load ptr, ptr %a1
-  %t376 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4858, i64 32, i64 0 }, ptr %a378
+  %t376 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5027, i64 35, i64 0 }, ptr %a378
   store { ptr, i64, i64 } %t376, ptr %a379
   call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
   %t380 = load { ptr, i64, i64 }, ptr %a377
   store { ptr, i64, i64 } %t380, ptr %a382
-  store { ptr, i64, i64 } { ptr @.str.4859, i64 6, i64 0 }, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.5028, i64 6, i64 0 }, ptr %a383
   call void @finch_str_concat(ptr %a381, ptr %a382, ptr %a383)
-  %t384 = load { ptr, i64, i64 }, ptr %a381
-  %t385 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t386 = load { ptr, i64, i64 }, ptr %t385
-  store { ptr, i64, i64 } %t384, ptr %a388
+  store { ptr, i64, i64 } %t380, ptr %a384
+  call void @finch_str_drop(ptr %a384)
+  %t385 = load { ptr, i64, i64 }, ptr %a381
+  %t386 = load { ptr, i64, i64 }, ptr %a374
+  store { ptr, i64, i64 } %t385, ptr %a388
   store { ptr, i64, i64 } %t386, ptr %a389
   call void @finch_str_concat(ptr %a387, ptr %a388, ptr %a389)
-  %t390 = load { ptr, i64, i64 }, ptr %a387
-  store { ptr, i64, i64 } %t390, ptr %a392
-  store { ptr, i64, i64 } { ptr @.str.4860, i64 1, i64 0 }, ptr %a393
-  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
-  %t394 = load { ptr, i64, i64 }, ptr %a391
-  call void @finch.gen.emit(ptr %t375, { ptr, i64, i64 } %t394)
-  br label %endif7405
-else7404:
-  %t395 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t395, ptr %a396
-  store { ptr, i64, i64 } { ptr @.str.4861, i64 5, i64 0 }, ptr %a397
-  %t398 = call i32 @finch_str_eq(ptr %a396, ptr %a397)
-  %t399 = icmp ne i32 %t398, 0
-  br label %logic.from7406
-logic.from7406:
-  br i1 %t399, label %logic.rhs7407, label %logic.end7408
-logic.rhs7407:
-  %t400 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t401 = getelementptr inbounds %S.ast.Type, ptr %t400, i32 0, i32 1
-  %t402 = load { ptr, i64, i64 }, ptr %t401
-  %t403 = extractvalue { ptr, i64, i64 } %t402, 1
-  %t404 = icmp uge i64 0, %t403
-  br i1 %t404, label %range7409, label %inrange7410
-range7409:
-  call void @finch_panic_index(ptr @.str.4862, i64 4364, i64 0, i64 %t403)
+  store { ptr, i64, i64 } %t385, ptr %a390
+  call void @finch_str_drop(ptr %a390)
+  %t391 = load { ptr, i64, i64 }, ptr %a387
+  store { ptr, i64, i64 } %t391, ptr %a393
+  store { ptr, i64, i64 } { ptr @.str.5029, i64 1, i64 0 }, ptr %a394
+  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
+  store { ptr, i64, i64 } %t391, ptr %a395
+  call void @finch_str_drop(ptr %a395)
+  %t396 = load { ptr, i64, i64 }, ptr %a392
+  call void @finch.gen.emit(ptr %t375, { ptr, i64, i64 } %t396)
+  store { ptr, i64, i64 } %t396, ptr %a397
+  call void @finch_str_drop(ptr %a397)
+  call void @finch_str_drop(ptr %a374)
+  br label %endif7789
+else7788:
+  %t398 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t398, ptr %a399
+  store { ptr, i64, i64 } { ptr @.str.5030, i64 3, i64 0 }, ptr %a400
+  %t401 = call i32 @finch_str_eq(ptr %a399, ptr %a400)
+  %t402 = icmp ne i32 %t401, 0
+  br i1 %t402, label %then7790, label %else7791
+then7790:
+  %t403 = load ptr, ptr %a1
+  %t404 = load { ptr, i64, i64 }, ptr %a199
+  call void @finch.gen.store(ptr %t403, { ptr, i64, i64 } { ptr @.str.5031, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5032, i64 15, i64 0 }, { ptr, i64, i64 } %t404)
+  %t405 = load ptr, ptr %a1
+  %t406 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5033, i64 32, i64 0 }, ptr %a408
+  store { ptr, i64, i64 } %t406, ptr %a409
+  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
+  %t410 = load { ptr, i64, i64 }, ptr %a407
+  store { ptr, i64, i64 } %t410, ptr %a412
+  store { ptr, i64, i64 } { ptr @.str.5034, i64 6, i64 0 }, ptr %a413
+  call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
+  store { ptr, i64, i64 } %t410, ptr %a414
+  call void @finch_str_drop(ptr %a414)
+  %t415 = load { ptr, i64, i64 }, ptr %a411
+  %t416 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t417 = load { ptr, i64, i64 }, ptr %t416
+  store { ptr, i64, i64 } %t415, ptr %a419
+  store { ptr, i64, i64 } %t417, ptr %a420
+  call void @finch_str_concat(ptr %a418, ptr %a419, ptr %a420)
+  store { ptr, i64, i64 } %t415, ptr %a421
+  call void @finch_str_drop(ptr %a421)
+  %t422 = load { ptr, i64, i64 }, ptr %a418
+  store { ptr, i64, i64 } %t422, ptr %a424
+  store { ptr, i64, i64 } { ptr @.str.5035, i64 1, i64 0 }, ptr %a425
+  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
+  store { ptr, i64, i64 } %t422, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  %t427 = load { ptr, i64, i64 }, ptr %a423
+  call void @finch.gen.emit(ptr %t405, { ptr, i64, i64 } %t427)
+  store { ptr, i64, i64 } %t427, ptr %a428
+  call void @finch_str_drop(ptr %a428)
+  store i1 true, ptr %a207
+  br label %endif7792
+else7791:
+  %t429 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t429, ptr %a430
+  store { ptr, i64, i64 } { ptr @.str.5036, i64 5, i64 0 }, ptr %a431
+  %t432 = call i32 @finch_str_eq(ptr %a430, ptr %a431)
+  %t433 = icmp ne i32 %t432, 0
+  br label %logic.from7793
+logic.from7793:
+  br i1 %t433, label %logic.rhs7794, label %logic.end7795
+logic.rhs7794:
+  %t434 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t435 = getelementptr inbounds %S.ast.Type, ptr %t434, i32 0, i32 1
+  %t436 = load { ptr, i64, i64 }, ptr %t435
+  %t437 = extractvalue { ptr, i64, i64 } %t436, 1
+  %t438 = icmp uge i64 0, %t437
+  br i1 %t438, label %range7796, label %inrange7797
+range7796:
+  call void @finch_panic_index(ptr @.str.5037, i64 4671, i64 0, i64 %t437)
   unreachable
-inrange7410:
-  %t405 = extractvalue { ptr, i64, i64 } %t402, 0
-  %t406 = getelementptr inbounds %S.ast.Type, ptr %t405, i64 0
-  %t407 = getelementptr inbounds %S.ast.Type, ptr %t406, i32 0, i32 0
-  %t408 = load { ptr, i64, i64 }, ptr %t407
-  store { ptr, i64, i64 } %t408, ptr %a409
-  store { ptr, i64, i64 } { ptr @.str.4863, i64 2, i64 0 }, ptr %a410
-  %t411 = call i32 @finch_str_eq(ptr %a409, ptr %a410)
-  %t412 = icmp ne i32 %t411, 0
-  br label %logic.from7411
-logic.from7411:
-  br i1 %t412, label %logic.end7413, label %logic.rhs7412
-logic.rhs7412:
-  %t413 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t414 = getelementptr inbounds %S.ast.Type, ptr %t413, i32 0, i32 1
-  %t415 = load { ptr, i64, i64 }, ptr %t414
-  %t416 = extractvalue { ptr, i64, i64 } %t415, 1
-  %t417 = icmp uge i64 0, %t416
-  br i1 %t417, label %range7414, label %inrange7415
-range7414:
-  call void @finch_panic_index(ptr @.str.4864, i64 4364, i64 0, i64 %t416)
+inrange7797:
+  %t439 = extractvalue { ptr, i64, i64 } %t436, 0
+  %t440 = getelementptr inbounds %S.ast.Type, ptr %t439, i64 0
+  %t441 = getelementptr inbounds %S.ast.Type, ptr %t440, i32 0, i32 0
+  %t442 = load { ptr, i64, i64 }, ptr %t441
+  store { ptr, i64, i64 } %t442, ptr %a443
+  store { ptr, i64, i64 } { ptr @.str.5038, i64 2, i64 0 }, ptr %a444
+  %t445 = call i32 @finch_str_eq(ptr %a443, ptr %a444)
+  %t446 = icmp ne i32 %t445, 0
+  br label %logic.from7798
+logic.from7798:
+  br i1 %t446, label %logic.end7800, label %logic.rhs7799
+logic.rhs7799:
+  %t447 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t448 = getelementptr inbounds %S.ast.Type, ptr %t447, i32 0, i32 1
+  %t449 = load { ptr, i64, i64 }, ptr %t448
+  %t450 = extractvalue { ptr, i64, i64 } %t449, 1
+  %t451 = icmp uge i64 0, %t450
+  br i1 %t451, label %range7801, label %inrange7802
+range7801:
+  call void @finch_panic_index(ptr @.str.5039, i64 4671, i64 0, i64 %t450)
   unreachable
-inrange7415:
-  %t418 = extractvalue { ptr, i64, i64 } %t415, 0
-  %t419 = getelementptr inbounds %S.ast.Type, ptr %t418, i64 0
-  %t420 = getelementptr inbounds %S.ast.Type, ptr %t419, i32 0, i32 0
-  %t421 = load { ptr, i64, i64 }, ptr %t420
-  store { ptr, i64, i64 } %t421, ptr %a422
-  store { ptr, i64, i64 } { ptr @.str.4865, i64 4, i64 0 }, ptr %a423
-  %t424 = call i32 @finch_str_eq(ptr %a422, ptr %a423)
-  %t425 = icmp ne i32 %t424, 0
-  br label %logic.rend7416
-logic.rend7416:
-  br label %logic.end7413
-logic.end7413:
-  %t426 = phi i1 [ true, %logic.from7411 ], [ %t425, %logic.rend7416 ]
-  br label %logic.rend7417
-logic.rend7417:
-  br label %logic.end7408
-logic.end7408:
-  %t427 = phi i1 [ false, %logic.from7406 ], [ %t426, %logic.rend7417 ]
-  br i1 %t427, label %then7418, label %else7419
-then7418:
-  %t428 = load ptr, ptr %a1
-  %t429 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.gen.store(ptr %t428, { ptr, i64, i64 } { ptr @.str.4866, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4867, i64 15, i64 0 }, { ptr, i64, i64 } %t429)
-  %t430 = load ptr, ptr %a1
-  %t431 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4868, i64 36, i64 0 }, ptr %a433
-  store { ptr, i64, i64 } %t431, ptr %a434
-  call void @finch_str_concat(ptr %a432, ptr %a433, ptr %a434)
-  %t435 = load { ptr, i64, i64 }, ptr %a432
-  store { ptr, i64, i64 } %t435, ptr %a437
-  store { ptr, i64, i64 } { ptr @.str.4869, i64 6, i64 0 }, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  %t440 = load ptr, ptr %a1
-  %t441 = load %S.gen.Val, ptr %a192
-  %t442 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t440, %S.gen.Val %t441)
-  store { ptr, i64, i64 } %t439, ptr %a444
-  store { ptr, i64, i64 } %t442, ptr %a445
-  call void @finch_str_concat(ptr %a443, ptr %a444, ptr %a445)
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  store { ptr, i64, i64 } %t446, ptr %a448
-  store { ptr, i64, i64 } { ptr @.str.4870, i64 1, i64 0 }, ptr %a449
-  call void @finch_str_concat(ptr %a447, ptr %a448, ptr %a449)
-  %t450 = load { ptr, i64, i64 }, ptr %a447
-  call void @finch.gen.emit(ptr %t430, { ptr, i64, i64 } %t450)
-  br label %endif7420
-else7419:
-  %t451 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t451, ptr %a452
-  store { ptr, i64, i64 } { ptr @.str.4871, i64 4, i64 0 }, ptr %a453
-  %t454 = call i32 @finch_str_eq(ptr %a452, ptr %a453)
-  %t455 = icmp ne i32 %t454, 0
-  br label %logic.from7421
-logic.from7421:
-  br i1 %t455, label %logic.end7423, label %logic.rhs7422
-logic.rhs7422:
-  %t456 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t456, ptr %a457
-  store { ptr, i64, i64 } { ptr @.str.4872, i64 4, i64 0 }, ptr %a458
-  %t459 = call i32 @finch_str_eq(ptr %a457, ptr %a458)
-  %t460 = icmp ne i32 %t459, 0
-  br label %logic.rend7424
-logic.rend7424:
-  br label %logic.end7423
-logic.end7423:
-  %t461 = phi i1 [ true, %logic.from7421 ], [ %t460, %logic.rend7424 ]
-  br label %logic.from7425
-logic.from7425:
-  br i1 %t461, label %logic.end7427, label %logic.rhs7426
-logic.rhs7426:
-  %t462 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t462, ptr %a463
-  store { ptr, i64, i64 } { ptr @.str.4873, i64 5, i64 0 }, ptr %a464
-  %t465 = call i32 @finch_str_eq(ptr %a463, ptr %a464)
-  %t466 = icmp ne i32 %t465, 0
-  br label %logic.rend7428
-logic.rend7428:
-  br label %logic.end7427
-logic.end7427:
-  %t467 = phi i1 [ true, %logic.from7425 ], [ %t466, %logic.rend7428 ]
-  br label %logic.from7429
-logic.from7429:
-  br i1 %t467, label %logic.end7431, label %logic.rhs7430
-logic.rhs7430:
-  %t468 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t468, ptr %a469
-  store { ptr, i64, i64 } { ptr @.str.4874, i64 3, i64 0 }, ptr %a470
-  %t471 = call i32 @finch_str_eq(ptr %a469, ptr %a470)
-  %t472 = icmp ne i32 %t471, 0
-  br label %logic.rend7432
-logic.rend7432:
-  br label %logic.end7431
-logic.end7431:
-  %t473 = phi i1 [ true, %logic.from7429 ], [ %t472, %logic.rend7432 ]
-  br label %logic.from7433
-logic.from7433:
-  br i1 %t473, label %logic.end7435, label %logic.rhs7434
-logic.rhs7434:
-  %t474 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t474, ptr %a475
-  store { ptr, i64, i64 } { ptr @.str.4875, i64 6, i64 0 }, ptr %a476
-  %t477 = call i32 @finch_str_eq(ptr %a475, ptr %a476)
-  %t478 = icmp ne i32 %t477, 0
-  br label %logic.rend7436
-logic.rend7436:
-  br label %logic.end7435
-logic.end7435:
-  %t479 = phi i1 [ true, %logic.from7433 ], [ %t478, %logic.rend7436 ]
-  br label %logic.from7437
-logic.from7437:
-  br i1 %t479, label %logic.end7439, label %logic.rhs7438
-logic.rhs7438:
-  %t480 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t480, ptr %a481
-  store { ptr, i64, i64 } { ptr @.str.4876, i64 4, i64 0 }, ptr %a482
-  %t483 = call i32 @finch_str_eq(ptr %a481, ptr %a482)
-  %t484 = icmp ne i32 %t483, 0
-  br label %logic.rend7440
-logic.rend7440:
-  br label %logic.end7439
-logic.end7439:
-  %t485 = phi i1 [ true, %logic.from7437 ], [ %t484, %logic.rend7440 ]
-  br i1 %t485, label %then7441, label %else7442
-then7441:
-  %t486 = load ptr, ptr %a1
-  %t487 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.gen.store(ptr %t486, { ptr, i64, i64 } { ptr @.str.4877, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4878, i64 15, i64 0 }, { ptr, i64, i64 } %t487)
-  %t488 = load ptr, ptr %a1
-  %t489 = load { ptr, i64, i64 }, ptr %a195
-  %t490 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t491 = load { ptr, i64, i64 }, ptr %t490
-  %t492 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t493 = load %S.ast.Type, ptr %t492
-  call void @finch.gen.emitFormat(ptr %t488, { ptr, i64, i64 } %t489, { ptr, i64, i64 } %t491, %S.ast.Type %t493, i1 false)
-  br label %endif7443
-else7442:
-  %t494 = load ptr, ptr %a1
-  %t495 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t496 = load { ptr, i64, i64 }, ptr %t495
-  %t497 = extractvalue { ptr, i64, i64 } %t496, 1
-  %t498 = icmp uge i64 0, %t497
-  br i1 %t498, label %range7444, label %inrange7445
-range7444:
-  call void @finch_panic_index(ptr @.str.4879, i64 4372, i64 0, i64 %t497)
-  unreachable
-inrange7445:
-  %t499 = extractvalue { ptr, i64, i64 } %t496, 0
-  %t500 = getelementptr inbounds %S.ast.Node, ptr %t499, i64 0
-  %t501 = load %S.ast.Node, ptr %t500
-  %t502 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t503 = load %S.ast.Type, ptr %t502
-  %t504 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t503)
-  store { ptr, i64, i64 } { ptr @.str.4880, i64 11, i64 0 }, ptr %a506
-  store { ptr, i64, i64 } %t504, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t508, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.4881, i64 9, i64 0 }, ptr %a511
-  call void @finch_str_concat(ptr %a509, ptr %a510, ptr %a511)
-  %t512 = load { ptr, i64, i64 }, ptr %a509
-  call void @finch.gen.fail(ptr %t494, %S.ast.Node %t501, { ptr, i64, i64 } %t512)
-  br label %endif7443
-endif7443:
-  br label %endif7420
-endif7420:
-  br label %endif7405
-endif7405:
-  br label %endif7402
-endif7402:
-  br label %endif7399
-endif7399:
-  br label %endif7396
-endif7396:
-  br label %endif7393
-endif7393:
-  br label %endif7390
-endif7390:
-  br label %endif7387
-endif7387:
-  %t513 = load ptr, ptr %a1
-  %t514 = load { ptr, i64, i64 }, ptr %a195
-  %t515 = call { ptr, i64, i64 } @finch.gen.load(ptr %t513, { ptr, i64, i64 } { ptr @.str.4882, i64 17, i64 0 }, { ptr, i64, i64 } %t514)
-  %t516 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t515, 0
-  %t517 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4883, i64 3, i64 0 })
-  %t518 = insertvalue %S.gen.Val %t516, %S.ast.Type %t517, 1
-  %t519 = insertvalue %S.gen.Val %t518, i1 true, 2
-  ret %S.gen.Val %t519
-endif7382:
-  %t520 = load { ptr, i64, i64 }, ptr %a8
-  %t521 = call { ptr, i64, i64 } @finch.gen.numType({ ptr, i64, i64 } %t520)
+inrange7802:
+  %t452 = extractvalue { ptr, i64, i64 } %t449, 0
+  %t453 = getelementptr inbounds %S.ast.Type, ptr %t452, i64 0
+  %t454 = getelementptr inbounds %S.ast.Type, ptr %t453, i32 0, i32 0
+  %t455 = load { ptr, i64, i64 }, ptr %t454
+  store { ptr, i64, i64 } %t455, ptr %a456
+  store { ptr, i64, i64 } { ptr @.str.5040, i64 4, i64 0 }, ptr %a457
+  %t458 = call i32 @finch_str_eq(ptr %a456, ptr %a457)
+  %t459 = icmp ne i32 %t458, 0
+  br label %logic.rend7803
+logic.rend7803:
+  br label %logic.end7800
+logic.end7800:
+  %t460 = phi i1 [ true, %logic.from7798 ], [ %t459, %logic.rend7803 ]
+  br label %logic.rend7804
+logic.rend7804:
+  br label %logic.end7795
+logic.end7795:
+  %t461 = phi i1 [ false, %logic.from7793 ], [ %t460, %logic.rend7804 ]
+  br i1 %t461, label %then7805, label %else7806
+then7805:
+  %t462 = load ptr, ptr %a1
+  %t463 = load { ptr, i64, i64 }, ptr %a199
+  call void @finch.gen.store(ptr %t462, { ptr, i64, i64 } { ptr @.str.5041, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5042, i64 15, i64 0 }, { ptr, i64, i64 } %t463)
+  %t464 = load ptr, ptr %a1
+  %t465 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5043, i64 36, i64 0 }, ptr %a467
+  store { ptr, i64, i64 } %t465, ptr %a468
+  call void @finch_str_concat(ptr %a466, ptr %a467, ptr %a468)
+  %t469 = load { ptr, i64, i64 }, ptr %a466
+  store { ptr, i64, i64 } %t469, ptr %a471
+  store { ptr, i64, i64 } { ptr @.str.5044, i64 6, i64 0 }, ptr %a472
+  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
+  store { ptr, i64, i64 } %t469, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a470
+  %t475 = load ptr, ptr %a1
+  %t476 = load %S.gen.Val, ptr %a196
+  %t477 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t475, %S.gen.Val %t476)
+  store { ptr, i64, i64 } %t474, ptr %a479
+  store { ptr, i64, i64 } %t477, ptr %a480
+  call void @finch_str_concat(ptr %a478, ptr %a479, ptr %a480)
+  store { ptr, i64, i64 } %t474, ptr %a481
+  call void @finch_str_drop(ptr %a481)
+  store { ptr, i64, i64 } %t477, ptr %a482
+  call void @finch_str_drop(ptr %a482)
+  %t483 = load { ptr, i64, i64 }, ptr %a478
+  store { ptr, i64, i64 } %t483, ptr %a485
+  store { ptr, i64, i64 } { ptr @.str.5045, i64 1, i64 0 }, ptr %a486
+  call void @finch_str_concat(ptr %a484, ptr %a485, ptr %a486)
+  store { ptr, i64, i64 } %t483, ptr %a487
+  call void @finch_str_drop(ptr %a487)
+  %t488 = load { ptr, i64, i64 }, ptr %a484
+  call void @finch.gen.emit(ptr %t464, { ptr, i64, i64 } %t488)
+  store { ptr, i64, i64 } %t488, ptr %a489
+  call void @finch_str_drop(ptr %a489)
+  %t490 = load ptr, ptr %a1
+  %t491 = load %S.gen.Val, ptr %a196
+  call void @finch.gen.release(ptr %t490, %S.gen.Val %t491)
+  br label %endif7807
+else7806:
+  %t492 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t492, ptr %a493
+  store { ptr, i64, i64 } { ptr @.str.5046, i64 4, i64 0 }, ptr %a494
+  %t495 = call i32 @finch_str_eq(ptr %a493, ptr %a494)
+  %t496 = icmp ne i32 %t495, 0
+  br label %logic.from7808
+logic.from7808:
+  br i1 %t496, label %logic.end7810, label %logic.rhs7809
+logic.rhs7809:
+  %t497 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t497, ptr %a498
+  store { ptr, i64, i64 } { ptr @.str.5047, i64 4, i64 0 }, ptr %a499
+  %t500 = call i32 @finch_str_eq(ptr %a498, ptr %a499)
+  %t501 = icmp ne i32 %t500, 0
+  br label %logic.rend7811
+logic.rend7811:
+  br label %logic.end7810
+logic.end7810:
+  %t502 = phi i1 [ true, %logic.from7808 ], [ %t501, %logic.rend7811 ]
+  br label %logic.from7812
+logic.from7812:
+  br i1 %t502, label %logic.end7814, label %logic.rhs7813
+logic.rhs7813:
+  %t503 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t503, ptr %a504
+  store { ptr, i64, i64 } { ptr @.str.5048, i64 5, i64 0 }, ptr %a505
+  %t506 = call i32 @finch_str_eq(ptr %a504, ptr %a505)
+  %t507 = icmp ne i32 %t506, 0
+  br label %logic.rend7815
+logic.rend7815:
+  br label %logic.end7814
+logic.end7814:
+  %t508 = phi i1 [ true, %logic.from7812 ], [ %t507, %logic.rend7815 ]
+  br label %logic.from7816
+logic.from7816:
+  br i1 %t508, label %logic.end7818, label %logic.rhs7817
+logic.rhs7817:
+  %t509 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t509, ptr %a510
+  store { ptr, i64, i64 } { ptr @.str.5049, i64 3, i64 0 }, ptr %a511
+  %t512 = call i32 @finch_str_eq(ptr %a510, ptr %a511)
+  %t513 = icmp ne i32 %t512, 0
+  br label %logic.rend7819
+logic.rend7819:
+  br label %logic.end7818
+logic.end7818:
+  %t514 = phi i1 [ true, %logic.from7816 ], [ %t513, %logic.rend7819 ]
+  br label %logic.from7820
+logic.from7820:
+  br i1 %t514, label %logic.end7822, label %logic.rhs7821
+logic.rhs7821:
+  %t515 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t515, ptr %a516
+  store { ptr, i64, i64 } { ptr @.str.5050, i64 6, i64 0 }, ptr %a517
+  %t518 = call i32 @finch_str_eq(ptr %a516, ptr %a517)
+  %t519 = icmp ne i32 %t518, 0
+  br label %logic.rend7823
+logic.rend7823:
+  br label %logic.end7822
+logic.end7822:
+  %t520 = phi i1 [ true, %logic.from7820 ], [ %t519, %logic.rend7823 ]
+  br label %logic.from7824
+logic.from7824:
+  br i1 %t520, label %logic.end7826, label %logic.rhs7825
+logic.rhs7825:
+  %t521 = load { ptr, i64, i64 }, ptr %a206
   store { ptr, i64, i64 } %t521, ptr %a522
-  %t523 = getelementptr inbounds { ptr, i64, i64 }, ptr %a522, i32 0, i32 1
-  %t524 = load i64, ptr %t523
-  %t525 = icmp sgt i64 %t524, 0
-  br i1 %t525, label %then7446, label %endif7448
-then7446:
-  %t526 = load ptr, ptr %a1
-  %t527 = load %S.ast.Node, ptr %a2
-  %t528 = load { ptr, i64, i64 }, ptr %a522
-  %t529 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } %t528)
-  %t530 = call %S.gen.Val @finch.gen.convert(ptr %t526, %S.ast.Node %t527, %S.ast.Type %t529)
-  ret %S.gen.Val %t530
-endif7448:
-  %t531 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t531, ptr %a532
-  store { ptr, i64, i64 } { ptr @.str.4884, i64 9, i64 0 }, ptr %a533
-  %t534 = call i32 @finch_str_eq(ptr %a532, ptr %a533)
-  %t535 = icmp ne i32 %t534, 0
-  br label %logic.from7449
-logic.from7449:
-  br i1 %t535, label %logic.end7451, label %logic.rhs7450
-logic.rhs7450:
-  %t536 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t536, ptr %a537
-  store { ptr, i64, i64 } { ptr @.str.4885, i64 11, i64 0 }, ptr %a538
-  %t539 = call i32 @finch_str_eq(ptr %a537, ptr %a538)
-  %t540 = icmp ne i32 %t539, 0
-  br label %logic.rend7452
-logic.rend7452:
-  br label %logic.end7451
-logic.end7451:
-  %t541 = phi i1 [ true, %logic.from7449 ], [ %t540, %logic.rend7452 ]
-  br i1 %t541, label %then7453, label %endif7455
-then7453:
-  %t542 = load ptr, ptr %a1
-  %t543 = load %S.ast.Node, ptr %a2
-  %t544 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t542, %S.ast.Node %t543, i64 0, i64 1, { ptr, i64, i64 } %t544)
-  %t545 = load ptr, ptr %a1
-  %t546 = load ptr, ptr %a1
-  %t547 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t548 = load { ptr, i64, i64 }, ptr %t547
-  %t549 = extractvalue { ptr, i64, i64 } %t548, 1
-  %t550 = icmp uge i64 0, %t549
-  br i1 %t550, label %range7456, label %inrange7457
-range7456:
-  call void @finch_panic_index(ptr @.str.4886, i64 4382, i64 0, i64 %t549)
+  store { ptr, i64, i64 } { ptr @.str.5051, i64 4, i64 0 }, ptr %a523
+  %t524 = call i32 @finch_str_eq(ptr %a522, ptr %a523)
+  %t525 = icmp ne i32 %t524, 0
+  br label %logic.rend7827
+logic.rend7827:
+  br label %logic.end7826
+logic.end7826:
+  %t526 = phi i1 [ true, %logic.from7824 ], [ %t525, %logic.rend7827 ]
+  br i1 %t526, label %then7828, label %else7829
+then7828:
+  %t527 = load ptr, ptr %a1
+  %t528 = load { ptr, i64, i64 }, ptr %a199
+  call void @finch.gen.store(ptr %t527, { ptr, i64, i64 } { ptr @.str.5052, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5053, i64 15, i64 0 }, { ptr, i64, i64 } %t528)
+  %t529 = load ptr, ptr %a1
+  %t530 = load { ptr, i64, i64 }, ptr %a199
+  %t531 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t532 = load { ptr, i64, i64 }, ptr %t531
+  %t533 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t534 = load %S.ast.Type, ptr %t533
+  call void @finch.gen.emitFormat(ptr %t529, { ptr, i64, i64 } %t530, { ptr, i64, i64 } %t532, %S.ast.Type %t534, i1 false)
+  %t535 = load ptr, ptr %a1
+  %t536 = load %S.gen.Val, ptr %a196
+  call void @finch.gen.release(ptr %t535, %S.gen.Val %t536)
+  br label %endif7830
+else7829:
+  %t537 = load ptr, ptr %a1
+  %t538 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t539 = load { ptr, i64, i64 }, ptr %t538
+  %t540 = extractvalue { ptr, i64, i64 } %t539, 1
+  %t541 = icmp uge i64 0, %t540
+  br i1 %t541, label %range7831, label %inrange7832
+range7831:
+  call void @finch_panic_index(ptr @.str.5054, i64 4681, i64 0, i64 %t540)
   unreachable
-inrange7457:
-  %t551 = extractvalue { ptr, i64, i64 } %t548, 0
-  %t552 = getelementptr inbounds %S.ast.Node, ptr %t551, i64 0
-  %t553 = load %S.ast.Node, ptr %t552
-  %t554 = call %S.gen.Val @finch.gen.strArg(ptr %t546, %S.ast.Node %t553, { ptr, i64, i64 } { ptr @.str.4887, i64 13, i64 0 })
-  %t555 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t545, %S.gen.Val %t554)
-  store { ptr, i64, i64 } %t555, ptr %a556
-  %t557 = load { ptr, i64, i64 }, ptr %a8
+inrange7832:
+  %t542 = extractvalue { ptr, i64, i64 } %t539, 0
+  %t543 = getelementptr inbounds %S.ast.Node, ptr %t542, i64 0
+  %t544 = load %S.ast.Node, ptr %t543
+  %t545 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t546 = load %S.ast.Type, ptr %t545
+  %t547 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t546)
+  store { ptr, i64, i64 } { ptr @.str.5055, i64 11, i64 0 }, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  store { ptr, i64, i64 } %t547, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t552, ptr %a554
+  store { ptr, i64, i64 } { ptr @.str.5056, i64 9, i64 0 }, ptr %a555
+  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
+  store { ptr, i64, i64 } %t552, ptr %a556
+  call void @finch_str_drop(ptr %a556)
+  %t557 = load { ptr, i64, i64 }, ptr %a553
+  call void @finch.gen.fail(ptr %t537, %S.ast.Node %t544, { ptr, i64, i64 } %t557)
   store { ptr, i64, i64 } %t557, ptr %a558
-  store { ptr, i64, i64 } { ptr @.str.4888, i64 11, i64 0 }, ptr %a559
-  %t560 = call i32 @finch_str_eq(ptr %a558, ptr %a559)
-  %t561 = icmp ne i32 %t560, 0
-  br i1 %t561, label %then7458, label %endif7460
-then7458:
-  %t562 = load ptr, ptr %a1
-  %t563 = load { ptr, i64, i64 }, ptr %a556
-  store { ptr, i64, i64 } { ptr @.str.4889, i64 32, i64 0 }, ptr %a565
-  store { ptr, i64, i64 } %t563, ptr %a566
-  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
-  %t567 = load { ptr, i64, i64 }, ptr %a564
-  store { ptr, i64, i64 } %t567, ptr %a569
-  store { ptr, i64, i64 } { ptr @.str.4890, i64 1, i64 0 }, ptr %a570
-  call void @finch_str_concat(ptr %a568, ptr %a569, ptr %a570)
-  %t571 = load { ptr, i64, i64 }, ptr %a568
-  %t572 = call { ptr, i64, i64 } @finch.gen.op(ptr %t562, { ptr, i64, i64 } %t571)
-  store { ptr, i64, i64 } %t572, ptr %a573
+  call void @finch_str_drop(ptr %a558)
+  br label %endif7830
+endif7830:
+  br label %endif7807
+endif7807:
+  br label %endif7792
+endif7792:
+  br label %endif7789
+endif7789:
+  br label %endif7786
+endif7786:
+  br label %endif7783
+endif7783:
+  br label %endif7780
+endif7780:
+  br label %endif7777
+endif7777:
+  br label %endif7774
+endif7774:
+  %t559 = load ptr, ptr %a1
+  %t560 = load { ptr, i64, i64 }, ptr %a199
+  %t561 = call { ptr, i64, i64 } @finch.gen.load(ptr %t559, { ptr, i64, i64 } { ptr @.str.5057, i64 17, i64 0 }, { ptr, i64, i64 } %t560)
+  %t562 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t561, 0
+  %t563 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5058, i64 3, i64 0 })
+  %t564 = insertvalue %S.gen.Val %t562, %S.ast.Type %t563, 1
+  %t565 = load i1, ptr %a207
+  %t566 = xor i1 %t565, true
+  %t567 = insertvalue %S.gen.Val %t564, i1 %t566, 2
+  call void @finch_str_drop(ptr %a206)
+  call void @finch_str_drop(ptr %a199)
+  call void @finch.drop.S_gen_Val(ptr %a196)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t567
+endif7769:
+  %t568 = load { ptr, i64, i64 }, ptr %a8
+  %t569 = call { ptr, i64, i64 } @finch.gen.numType({ ptr, i64, i64 } %t568)
+  store { ptr, i64, i64 } %t569, ptr %a570
+  %t571 = getelementptr inbounds { ptr, i64, i64 }, ptr %a570, i32 0, i32 1
+  %t572 = load i64, ptr %t571
+  %t573 = icmp sgt i64 %t572, 0
+  br i1 %t573, label %then7833, label %endif7835
+then7833:
   %t574 = load ptr, ptr %a1
-  %t575 = load { ptr, i64, i64 }, ptr %a573
-  store { ptr, i64, i64 } { ptr @.str.4891, i64 12, i64 0 }, ptr %a577
-  store { ptr, i64, i64 } %t575, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  store { ptr, i64, i64 } %t579, ptr %a581
-  store { ptr, i64, i64 } { ptr @.str.4892, i64 3, i64 0 }, ptr %a582
-  call void @finch_str_concat(ptr %a580, ptr %a581, ptr %a582)
-  %t583 = load { ptr, i64, i64 }, ptr %a580
-  %t584 = call { ptr, i64, i64 } @finch.gen.op(ptr %t574, { ptr, i64, i64 } %t583)
-  %t585 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t584, 0
-  %t586 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4893, i64 4, i64 0 })
-  %t587 = insertvalue %S.gen.Val %t585, %S.ast.Type %t586, 1
-  ret %S.gen.Val %t587
-endif7460:
-  %t588 = load ptr, ptr %a1
-  %t589 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t588)
-  store { ptr, i64, i64 } %t589, ptr %a590
+  %t575 = load %S.ast.Node, ptr %a2
+  %t576 = load { ptr, i64, i64 }, ptr %a570
+  %t577 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } %t576)
+  %t578 = call %S.gen.Val @finch.gen.convert(ptr %t574, %S.ast.Node %t575, %S.ast.Type %t577)
+  store %S.ast.Type %t577, ptr %a579
+  call void @finch.drop.S_ast_Type(ptr %a579)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t578
+endif7835:
+  %t580 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t580, ptr %a581
+  store { ptr, i64, i64 } { ptr @.str.5059, i64 9, i64 0 }, ptr %a582
+  %t583 = call i32 @finch_str_eq(ptr %a581, ptr %a582)
+  %t584 = icmp ne i32 %t583, 0
+  br label %logic.from7836
+logic.from7836:
+  br i1 %t584, label %logic.end7838, label %logic.rhs7837
+logic.rhs7837:
+  %t585 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t585, ptr %a586
+  store { ptr, i64, i64 } { ptr @.str.5060, i64 11, i64 0 }, ptr %a587
+  %t588 = call i32 @finch_str_eq(ptr %a586, ptr %a587)
+  %t589 = icmp ne i32 %t588, 0
+  br label %logic.rend7839
+logic.rend7839:
+  br label %logic.end7838
+logic.end7838:
+  %t590 = phi i1 [ true, %logic.from7836 ], [ %t589, %logic.rend7839 ]
+  br i1 %t590, label %then7840, label %endif7842
+then7840:
   %t591 = load ptr, ptr %a1
-  %t592 = icmp eq ptr %t591, null
-  br i1 %t592, label %panic7461, label %ok7462
-panic7461:
-  call void @finch_panic(ptr @.str.4894, i64 4388, ptr @.str.4895)
+  %t592 = load %S.ast.Node, ptr %a2
+  %t593 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t591, %S.ast.Node %t592, i64 0, i64 1, { ptr, i64, i64 } %t593)
+  %t594 = load ptr, ptr %a1
+  %t595 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t596 = load { ptr, i64, i64 }, ptr %t595
+  %t597 = extractvalue { ptr, i64, i64 } %t596, 1
+  %t598 = icmp uge i64 0, %t597
+  br i1 %t598, label %range7843, label %inrange7844
+range7843:
+  call void @finch_panic_index(ptr @.str.5061, i64 4691, i64 0, i64 %t597)
   unreachable
-ok7462:
-  %t593 = getelementptr inbounds %S.gen.Gen, ptr %t591, i32 0, i32 39
-  %t594 = load { ptr, i64, i64 }, ptr %t593
-  %t595 = load %S.ast.Node, ptr %a2
-  %t596 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t595)
-  store { ptr, i64, i64 } %t594, ptr %a597
-  store { ptr, i64, i64 } %t596, ptr %a598
-  %t599 = call i32 @finch_str_eq(ptr %a597, ptr %a598)
-  %t600 = icmp ne i32 %t599, 0
-  br i1 %t600, label %then7463, label %endif7465
-then7463:
-  %t601 = load ptr, ptr %a1
-  %t602 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t601, { ptr, i64, i64 } { ptr @.str.4896, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t602, ptr %a603
+inrange7844:
+  %t599 = extractvalue { ptr, i64, i64 } %t596, 0
+  %t600 = getelementptr inbounds %S.ast.Node, ptr %t599, i64 0
+  %t601 = load %S.ast.Node, ptr %t600
+  %t602 = call %S.gen.Val @finch.gen.strArg(ptr %t594, %S.ast.Node %t601, { ptr, i64, i64 } { ptr @.str.5062, i64 13, i64 0 })
+  store %S.gen.Val %t602, ptr %a603
   %t604 = load ptr, ptr %a1
-  %t605 = load { ptr, i64, i64 }, ptr %a590
-  call void @finch.gen.store(ptr %t604, { ptr, i64, i64 } { ptr @.str.4897, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4898, i64 15, i64 0 }, { ptr, i64, i64 } %t605)
-  %t606 = load ptr, ptr %a1
-  %t607 = load { ptr, i64, i64 }, ptr %a603
-  call void @finch.gen.store(ptr %t606, { ptr, i64, i64 } { ptr @.str.4899, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4900, i64 15, i64 0 }, { ptr, i64, i64 } %t607)
-  %t608 = load ptr, ptr %a1
-  %t609 = load { ptr, i64, i64 }, ptr %a590
-  store { ptr, i64, i64 } { ptr @.str.4901, i64 34, i64 0 }, ptr %a611
-  store { ptr, i64, i64 } %t609, ptr %a612
-  call void @finch_str_concat(ptr %a610, ptr %a611, ptr %a612)
-  %t613 = load { ptr, i64, i64 }, ptr %a610
-  store { ptr, i64, i64 } %t613, ptr %a615
-  store { ptr, i64, i64 } { ptr @.str.4902, i64 6, i64 0 }, ptr %a616
-  call void @finch_str_concat(ptr %a614, ptr %a615, ptr %a616)
-  %t617 = load { ptr, i64, i64 }, ptr %a614
-  %t618 = load { ptr, i64, i64 }, ptr %a556
-  store { ptr, i64, i64 } %t617, ptr %a620
-  store { ptr, i64, i64 } %t618, ptr %a621
+  %t605 = load %S.gen.Val, ptr %a603
+  %t606 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t604, %S.gen.Val %t605)
+  store { ptr, i64, i64 } %t606, ptr %a607
+  %t608 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t608, ptr %a609
+  store { ptr, i64, i64 } { ptr @.str.5063, i64 11, i64 0 }, ptr %a610
+  %t611 = call i32 @finch_str_eq(ptr %a609, ptr %a610)
+  %t612 = icmp ne i32 %t611, 0
+  br i1 %t612, label %then7845, label %endif7847
+then7845:
+  %t613 = load ptr, ptr %a1
+  %t614 = load { ptr, i64, i64 }, ptr %a607
+  store { ptr, i64, i64 } { ptr @.str.5064, i64 32, i64 0 }, ptr %a616
+  store { ptr, i64, i64 } %t614, ptr %a617
+  call void @finch_str_concat(ptr %a615, ptr %a616, ptr %a617)
+  %t618 = load { ptr, i64, i64 }, ptr %a615
+  store { ptr, i64, i64 } %t618, ptr %a620
+  store { ptr, i64, i64 } { ptr @.str.5065, i64 1, i64 0 }, ptr %a621
   call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
-  %t622 = load { ptr, i64, i64 }, ptr %a619
-  store { ptr, i64, i64 } %t622, ptr %a624
-  store { ptr, i64, i64 } { ptr @.str.4903, i64 6, i64 0 }, ptr %a625
-  call void @finch_str_concat(ptr %a623, ptr %a624, ptr %a625)
-  %t626 = load { ptr, i64, i64 }, ptr %a623
-  %t627 = load { ptr, i64, i64 }, ptr %a603
-  store { ptr, i64, i64 } %t626, ptr %a629
-  store { ptr, i64, i64 } %t627, ptr %a630
-  call void @finch_str_concat(ptr %a628, ptr %a629, ptr %a630)
-  %t631 = load { ptr, i64, i64 }, ptr %a628
-  store { ptr, i64, i64 } %t631, ptr %a633
-  store { ptr, i64, i64 } { ptr @.str.4904, i64 1, i64 0 }, ptr %a634
-  call void @finch_str_concat(ptr %a632, ptr %a633, ptr %a634)
-  %t635 = load { ptr, i64, i64 }, ptr %a632
-  %t636 = call { ptr, i64, i64 } @finch.gen.op(ptr %t608, { ptr, i64, i64 } %t635)
-  store { ptr, i64, i64 } %t636, ptr %a637
-  %t638 = load ptr, ptr %a1
-  %t639 = load { ptr, i64, i64 }, ptr %a637
-  store { ptr, i64, i64 } { ptr @.str.4905, i64 12, i64 0 }, ptr %a641
-  store { ptr, i64, i64 } %t639, ptr %a642
-  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
-  %t643 = load { ptr, i64, i64 }, ptr %a640
-  store { ptr, i64, i64 } %t643, ptr %a645
-  store { ptr, i64, i64 } { ptr @.str.4906, i64 3, i64 0 }, ptr %a646
-  call void @finch_str_concat(ptr %a644, ptr %a645, ptr %a646)
-  %t647 = load { ptr, i64, i64 }, ptr %a644
-  %t648 = call { ptr, i64, i64 } @finch.gen.op(ptr %t638, { ptr, i64, i64 } %t647)
-  %t649 = load ptr, ptr %a1
-  %t650 = icmp eq ptr %t649, null
-  br i1 %t650, label %panic7466, label %ok7467
-panic7466:
-  call void @finch_panic(ptr @.str.4907, i64 4393, ptr @.str.4908)
+  store { ptr, i64, i64 } %t618, ptr %a622
+  call void @finch_str_drop(ptr %a622)
+  %t623 = load { ptr, i64, i64 }, ptr %a619
+  %t624 = call { ptr, i64, i64 } @finch.gen.op(ptr %t613, { ptr, i64, i64 } %t623)
+  store { ptr, i64, i64 } %t623, ptr %a625
+  call void @finch_str_drop(ptr %a625)
+  store { ptr, i64, i64 } %t624, ptr %a626
+  %t627 = load ptr, ptr %a1
+  %t628 = load %S.gen.Val, ptr %a603
+  call void @finch.gen.release(ptr %t627, %S.gen.Val %t628)
+  %t629 = load ptr, ptr %a1
+  %t630 = load { ptr, i64, i64 }, ptr %a626
+  store { ptr, i64, i64 } { ptr @.str.5066, i64 12, i64 0 }, ptr %a632
+  store { ptr, i64, i64 } %t630, ptr %a633
+  call void @finch_str_concat(ptr %a631, ptr %a632, ptr %a633)
+  %t634 = load { ptr, i64, i64 }, ptr %a631
+  store { ptr, i64, i64 } %t634, ptr %a636
+  store { ptr, i64, i64 } { ptr @.str.5067, i64 3, i64 0 }, ptr %a637
+  call void @finch_str_concat(ptr %a635, ptr %a636, ptr %a637)
+  store { ptr, i64, i64 } %t634, ptr %a638
+  call void @finch_str_drop(ptr %a638)
+  %t639 = load { ptr, i64, i64 }, ptr %a635
+  %t640 = call { ptr, i64, i64 } @finch.gen.op(ptr %t629, { ptr, i64, i64 } %t639)
+  store { ptr, i64, i64 } %t639, ptr %a641
+  call void @finch_str_drop(ptr %a641)
+  %t642 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t640, 0
+  %t643 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5068, i64 4, i64 0 })
+  %t644 = insertvalue %S.gen.Val %t642, %S.ast.Type %t643, 1
+  call void @finch_str_drop(ptr %a626)
+  call void @finch_str_drop(ptr %a607)
+  call void @finch.drop.S_gen_Val(ptr %a603)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t644
+endif7847:
+  %t645 = load ptr, ptr %a1
+  %t646 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t645)
+  store { ptr, i64, i64 } %t646, ptr %a647
+  %t648 = load ptr, ptr %a1
+  %t649 = icmp eq ptr %t648, null
+  br i1 %t649, label %panic7848, label %ok7849
+panic7848:
+  call void @finch_panic(ptr @.str.5069, i64 4699, ptr @.str.5070)
   unreachable
-ok7467:
-  %t651 = getelementptr inbounds %S.gen.Gen, ptr %t649, i32 0, i32 40
-  store { ptr, i64, i64 } %t648, ptr %t651
-  %t652 = load ptr, ptr %a1
-  %t653 = load { ptr, i64, i64 }, ptr %a603
-  %t654 = call { ptr, i64, i64 } @finch.gen.load(ptr %t652, { ptr, i64, i64 } { ptr @.str.4909, i64 17, i64 0 }, { ptr, i64, i64 } %t653)
-  %t655 = load ptr, ptr %a1
-  %t656 = icmp eq ptr %t655, null
-  br i1 %t656, label %panic7468, label %ok7469
-panic7468:
-  call void @finch_panic(ptr @.str.4910, i64 4394, ptr @.str.4911)
-  unreachable
-ok7469:
-  %t657 = getelementptr inbounds %S.gen.Gen, ptr %t655, i32 0, i32 41
-  store { ptr, i64, i64 } %t654, ptr %t657
-  %t658 = load ptr, ptr %a1
-  %t659 = load { ptr, i64, i64 }, ptr %a590
-  %t660 = call { ptr, i64, i64 } @finch.gen.load(ptr %t658, { ptr, i64, i64 } { ptr @.str.4912, i64 17, i64 0 }, { ptr, i64, i64 } %t659)
-  %t661 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t660, 0
-  %t662 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4913, i64 3, i64 0 })
-  %t663 = insertvalue %S.gen.Val %t661, %S.ast.Type %t662, 1
-  %t664 = insertvalue %S.gen.Val %t663, i1 true, 2
-  ret %S.gen.Val %t664
-endif7465:
-  %t665 = load ptr, ptr %a1
+ok7849:
+  %t650 = getelementptr inbounds %S.gen.Gen, ptr %t648, i32 0, i32 40
+  %t651 = load { ptr, i64, i64 }, ptr %t650
+  %t652 = load %S.ast.Node, ptr %a2
+  %t653 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t652)
+  store { ptr, i64, i64 } %t651, ptr %a654
+  store { ptr, i64, i64 } %t653, ptr %a655
+  %t656 = call i32 @finch_str_eq(ptr %a654, ptr %a655)
+  %t657 = icmp ne i32 %t656, 0
+  store { ptr, i64, i64 } %t653, ptr %a658
+  call void @finch_str_drop(ptr %a658)
+  br i1 %t657, label %then7850, label %endif7852
+then7850:
+  %t659 = load ptr, ptr %a1
+  %t660 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t659, { ptr, i64, i64 } { ptr @.str.5071, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t660, ptr %a661
+  %t662 = load ptr, ptr %a1
+  %t663 = load { ptr, i64, i64 }, ptr %a647
+  call void @finch.gen.store(ptr %t662, { ptr, i64, i64 } { ptr @.str.5072, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5073, i64 15, i64 0 }, { ptr, i64, i64 } %t663)
+  %t664 = load ptr, ptr %a1
+  %t665 = load { ptr, i64, i64 }, ptr %a661
+  call void @finch.gen.store(ptr %t664, { ptr, i64, i64 } { ptr @.str.5074, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5075, i64 15, i64 0 }, { ptr, i64, i64 } %t665)
   %t666 = load ptr, ptr %a1
-  %t667 = icmp eq ptr %t666, null
-  br i1 %t667, label %panic7470, label %ok7471
-panic7470:
-  call void @finch_panic(ptr @.str.4914, i64 4397, ptr @.str.4915)
-  unreachable
-ok7471:
-  %t668 = getelementptr inbounds %S.gen.Gen, ptr %t666, i32 0, i32 1
-  %t669 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t670 = load i64, ptr %t669
-  %t671 = load { ptr, i64, i64 }, ptr %t668
-  %t672 = extractvalue { ptr, i64, i64 } %t671, 1
-  %t673 = icmp uge i64 %t670, %t672
-  br i1 %t673, label %range7472, label %inrange7473
-range7472:
-  call void @finch_panic_index(ptr @.str.4916, i64 4397, i64 %t670, i64 %t672)
-  unreachable
-inrange7473:
-  %t674 = extractvalue { ptr, i64, i64 } %t671, 0
-  %t675 = getelementptr inbounds { ptr, i64, i64 }, ptr %t674, i64 %t670
-  %t676 = load { ptr, i64, i64 }, ptr %t675
-  %t677 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t665, { ptr, i64, i64 } %t676)
-  store { ptr, i64, i64 } %t677, ptr %a678
-  %t679 = load ptr, ptr %a1
-  %t680 = load { ptr, i64, i64 }, ptr %a590
-  store { ptr, i64, i64 } { ptr @.str.4917, i64 31, i64 0 }, ptr %a682
-  store { ptr, i64, i64 } %t680, ptr %a683
-  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
-  %t684 = load { ptr, i64, i64 }, ptr %a681
-  store { ptr, i64, i64 } %t684, ptr %a686
-  store { ptr, i64, i64 } { ptr @.str.4918, i64 6, i64 0 }, ptr %a687
-  call void @finch_str_concat(ptr %a685, ptr %a686, ptr %a687)
-  %t688 = load { ptr, i64, i64 }, ptr %a685
-  %t689 = load { ptr, i64, i64 }, ptr %a556
+  %t667 = load { ptr, i64, i64 }, ptr %a647
+  store { ptr, i64, i64 } { ptr @.str.5076, i64 34, i64 0 }, ptr %a669
+  store { ptr, i64, i64 } %t667, ptr %a670
+  call void @finch_str_concat(ptr %a668, ptr %a669, ptr %a670)
+  %t671 = load { ptr, i64, i64 }, ptr %a668
+  store { ptr, i64, i64 } %t671, ptr %a673
+  store { ptr, i64, i64 } { ptr @.str.5077, i64 6, i64 0 }, ptr %a674
+  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
+  store { ptr, i64, i64 } %t671, ptr %a675
+  call void @finch_str_drop(ptr %a675)
+  %t676 = load { ptr, i64, i64 }, ptr %a672
+  %t677 = load { ptr, i64, i64 }, ptr %a607
+  store { ptr, i64, i64 } %t676, ptr %a679
+  store { ptr, i64, i64 } %t677, ptr %a680
+  call void @finch_str_concat(ptr %a678, ptr %a679, ptr %a680)
+  store { ptr, i64, i64 } %t676, ptr %a681
+  call void @finch_str_drop(ptr %a681)
+  %t682 = load { ptr, i64, i64 }, ptr %a678
+  store { ptr, i64, i64 } %t682, ptr %a684
+  store { ptr, i64, i64 } { ptr @.str.5078, i64 6, i64 0 }, ptr %a685
+  call void @finch_str_concat(ptr %a683, ptr %a684, ptr %a685)
+  store { ptr, i64, i64 } %t682, ptr %a686
+  call void @finch_str_drop(ptr %a686)
+  %t687 = load { ptr, i64, i64 }, ptr %a683
+  %t688 = load { ptr, i64, i64 }, ptr %a661
+  store { ptr, i64, i64 } %t687, ptr %a690
   store { ptr, i64, i64 } %t688, ptr %a691
-  store { ptr, i64, i64 } %t689, ptr %a692
-  call void @finch_str_concat(ptr %a690, ptr %a691, ptr %a692)
-  %t693 = load { ptr, i64, i64 }, ptr %a690
+  call void @finch_str_concat(ptr %a689, ptr %a690, ptr %a691)
+  store { ptr, i64, i64 } %t687, ptr %a692
+  call void @finch_str_drop(ptr %a692)
+  %t693 = load { ptr, i64, i64 }, ptr %a689
   store { ptr, i64, i64 } %t693, ptr %a695
-  store { ptr, i64, i64 } { ptr @.str.4919, i64 6, i64 0 }, ptr %a696
+  store { ptr, i64, i64 } { ptr @.str.5079, i64 1, i64 0 }, ptr %a696
   call void @finch_str_concat(ptr %a694, ptr %a695, ptr %a696)
-  %t697 = load { ptr, i64, i64 }, ptr %a694
-  %t698 = load { ptr, i64, i64 }, ptr %a678
-  store { ptr, i64, i64 } %t697, ptr %a700
-  store { ptr, i64, i64 } %t698, ptr %a701
-  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
-  %t702 = load { ptr, i64, i64 }, ptr %a699
-  store { ptr, i64, i64 } %t702, ptr %a704
-  store { ptr, i64, i64 } { ptr @.str.4920, i64 6, i64 0 }, ptr %a705
-  call void @finch_str_concat(ptr %a703, ptr %a704, ptr %a705)
-  %t706 = load { ptr, i64, i64 }, ptr %a703
-  %t707 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t708 = load i64, ptr %t707
-  call void @finch_str_from_int(ptr %a709, i64 %t708)
-  %t710 = load { ptr, i64, i64 }, ptr %a709
-  store { ptr, i64, i64 } %t706, ptr %a712
-  store { ptr, i64, i64 } %t710, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t714, ptr %a716
-  store { ptr, i64, i64 } { ptr @.str.4921, i64 1, i64 0 }, ptr %a717
-  call void @finch_str_concat(ptr %a715, ptr %a716, ptr %a717)
-  %t718 = load { ptr, i64, i64 }, ptr %a715
-  call void @finch.gen.emit(ptr %t679, { ptr, i64, i64 } %t718)
-  %t719 = load ptr, ptr %a1
-  %t720 = load { ptr, i64, i64 }, ptr %a590
-  %t721 = call { ptr, i64, i64 } @finch.gen.load(ptr %t719, { ptr, i64, i64 } { ptr @.str.4922, i64 17, i64 0 }, { ptr, i64, i64 } %t720)
-  %t722 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t721, 0
-  %t723 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4923, i64 3, i64 0 })
-  %t724 = insertvalue %S.gen.Val %t722, %S.ast.Type %t723, 1
-  %t725 = insertvalue %S.gen.Val %t724, i1 true, 2
-  ret %S.gen.Val %t725
-endif7455:
-  %t726 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t693, ptr %a697
+  call void @finch_str_drop(ptr %a697)
+  %t698 = load { ptr, i64, i64 }, ptr %a694
+  %t699 = call { ptr, i64, i64 } @finch.gen.op(ptr %t666, { ptr, i64, i64 } %t698)
+  store { ptr, i64, i64 } %t698, ptr %a700
+  call void @finch_str_drop(ptr %a700)
+  store { ptr, i64, i64 } %t699, ptr %a701
+  %t702 = load ptr, ptr %a1
+  %t703 = load { ptr, i64, i64 }, ptr %a701
+  store { ptr, i64, i64 } { ptr @.str.5080, i64 12, i64 0 }, ptr %a705
+  store { ptr, i64, i64 } %t703, ptr %a706
+  call void @finch_str_concat(ptr %a704, ptr %a705, ptr %a706)
+  %t707 = load { ptr, i64, i64 }, ptr %a704
+  store { ptr, i64, i64 } %t707, ptr %a709
+  store { ptr, i64, i64 } { ptr @.str.5081, i64 3, i64 0 }, ptr %a710
+  call void @finch_str_concat(ptr %a708, ptr %a709, ptr %a710)
+  store { ptr, i64, i64 } %t707, ptr %a711
+  call void @finch_str_drop(ptr %a711)
+  %t712 = load { ptr, i64, i64 }, ptr %a708
+  %t713 = call { ptr, i64, i64 } @finch.gen.op(ptr %t702, { ptr, i64, i64 } %t712)
+  store { ptr, i64, i64 } %t712, ptr %a714
+  call void @finch_str_drop(ptr %a714)
+  %t715 = load ptr, ptr %a1
+  %t716 = icmp eq ptr %t715, null
+  br i1 %t716, label %panic7853, label %ok7854
+panic7853:
+  call void @finch_panic(ptr @.str.5082, i64 4704, ptr @.str.5083)
+  unreachable
+ok7854:
+  %t717 = getelementptr inbounds %S.gen.Gen, ptr %t715, i32 0, i32 41
+  %t718 = load { ptr, i64, i64 }, ptr %t717
+  store { ptr, i64, i64 } %t713, ptr %t717
+  store { ptr, i64, i64 } %t718, ptr %a719
+  call void @finch_str_drop(ptr %a719)
+  %t720 = load ptr, ptr %a1
+  %t721 = load { ptr, i64, i64 }, ptr %a661
+  %t722 = call { ptr, i64, i64 } @finch.gen.load(ptr %t720, { ptr, i64, i64 } { ptr @.str.5084, i64 17, i64 0 }, { ptr, i64, i64 } %t721)
+  %t723 = load ptr, ptr %a1
+  %t724 = icmp eq ptr %t723, null
+  br i1 %t724, label %panic7855, label %ok7856
+panic7855:
+  call void @finch_panic(ptr @.str.5085, i64 4705, ptr @.str.5086)
+  unreachable
+ok7856:
+  %t725 = getelementptr inbounds %S.gen.Gen, ptr %t723, i32 0, i32 42
+  %t726 = load { ptr, i64, i64 }, ptr %t725
+  store { ptr, i64, i64 } %t722, ptr %t725
   store { ptr, i64, i64 } %t726, ptr %a727
-  store { ptr, i64, i64 } { ptr @.str.4924, i64 10, i64 0 }, ptr %a728
-  %t729 = call i32 @finch_str_eq(ptr %a727, ptr %a728)
-  %t730 = icmp ne i32 %t729, 0
-  br i1 %t730, label %then7474, label %endif7476
-then7474:
-  %t731 = load ptr, ptr %a1
-  %t732 = load %S.ast.Node, ptr %a2
-  %t733 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t731, %S.ast.Node %t732, i64 0, i64 2, { ptr, i64, i64 } %t733)
-  %t734 = load ptr, ptr %a1
-  %t735 = load ptr, ptr %a1
-  %t736 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t737 = load { ptr, i64, i64 }, ptr %t736
-  %t738 = extractvalue { ptr, i64, i64 } %t737, 1
-  %t739 = icmp uge i64 0, %t738
-  br i1 %t739, label %range7477, label %inrange7478
-range7477:
-  call void @finch_panic_index(ptr @.str.4925, i64 4403, i64 0, i64 %t738)
+  call void @finch_str_drop(ptr %a727)
+  %t728 = load ptr, ptr %a1
+  %t729 = load %S.gen.Val, ptr %a603
+  call void @finch.gen.release(ptr %t728, %S.gen.Val %t729)
+  %t730 = load ptr, ptr %a1
+  %t731 = load { ptr, i64, i64 }, ptr %a647
+  %t732 = call { ptr, i64, i64 } @finch.gen.load(ptr %t730, { ptr, i64, i64 } { ptr @.str.5087, i64 17, i64 0 }, { ptr, i64, i64 } %t731)
+  %t733 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t732, 0
+  %t734 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5088, i64 3, i64 0 })
+  %t735 = insertvalue %S.gen.Val %t733, %S.ast.Type %t734, 1
+  %t736 = insertvalue %S.gen.Val %t735, i1 true, 2
+  call void @finch_str_drop(ptr %a701)
+  call void @finch_str_drop(ptr %a661)
+  call void @finch_str_drop(ptr %a647)
+  call void @finch_str_drop(ptr %a607)
+  call void @finch.drop.S_gen_Val(ptr %a603)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t736
+endif7852:
+  %t737 = load ptr, ptr %a1
+  %t738 = load ptr, ptr %a1
+  %t739 = icmp eq ptr %t738, null
+  br i1 %t739, label %panic7857, label %ok7858
+panic7857:
+  call void @finch_panic(ptr @.str.5089, i64 4709, ptr @.str.5090)
   unreachable
-inrange7478:
-  %t740 = extractvalue { ptr, i64, i64 } %t737, 0
-  %t741 = getelementptr inbounds %S.ast.Node, ptr %t740, i64 0
-  %t742 = load %S.ast.Node, ptr %t741
-  %t743 = call %S.gen.Val @finch.gen.strArg(ptr %t735, %S.ast.Node %t742, { ptr, i64, i64 } { ptr @.str.4926, i64 13, i64 0 })
-  %t744 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t734, %S.gen.Val %t743)
-  store { ptr, i64, i64 } %t744, ptr %a745
-  %t746 = load ptr, ptr %a1
-  %t747 = load ptr, ptr %a1
-  %t748 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t749 = load { ptr, i64, i64 }, ptr %t748
-  %t750 = extractvalue { ptr, i64, i64 } %t749, 1
-  %t751 = icmp uge i64 1, %t750
-  br i1 %t751, label %range7479, label %inrange7480
-range7479:
-  call void @finch_panic_index(ptr @.str.4927, i64 4404, i64 1, i64 %t750)
+ok7858:
+  %t740 = getelementptr inbounds %S.gen.Gen, ptr %t738, i32 0, i32 1
+  %t741 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t742 = load i64, ptr %t741
+  %t743 = load { ptr, i64, i64 }, ptr %t740
+  %t744 = extractvalue { ptr, i64, i64 } %t743, 1
+  %t745 = icmp uge i64 %t742, %t744
+  br i1 %t745, label %range7859, label %inrange7860
+range7859:
+  call void @finch_panic_index(ptr @.str.5091, i64 4709, i64 %t742, i64 %t744)
   unreachable
-inrange7480:
-  %t752 = extractvalue { ptr, i64, i64 } %t749, 0
-  %t753 = getelementptr inbounds %S.ast.Node, ptr %t752, i64 1
-  %t754 = load %S.ast.Node, ptr %t753
-  %t755 = call %S.gen.Val @finch.gen.strArg(ptr %t747, %S.ast.Node %t754, { ptr, i64, i64 } { ptr @.str.4928, i64 8, i64 0 })
-  %t756 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t746, %S.gen.Val %t755)
-  store { ptr, i64, i64 } %t756, ptr %a757
-  %t758 = load ptr, ptr %a1
-  %t759 = icmp eq ptr %t758, null
-  br i1 %t759, label %panic7481, label %ok7482
-panic7481:
-  call void @finch_panic(ptr @.str.4929, i64 4405, ptr @.str.4930)
-  unreachable
-ok7482:
-  %t760 = getelementptr inbounds %S.gen.Gen, ptr %t758, i32 0, i32 39
-  %t761 = load { ptr, i64, i64 }, ptr %t760
-  %t762 = load %S.ast.Node, ptr %a2
-  %t763 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t762)
+inrange7860:
+  %t746 = extractvalue { ptr, i64, i64 } %t743, 0
+  %t747 = getelementptr inbounds { ptr, i64, i64 }, ptr %t746, i64 %t742
+  %t748 = load { ptr, i64, i64 }, ptr %t747
+  %t749 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t737, { ptr, i64, i64 } %t748)
+  store { ptr, i64, i64 } %t749, ptr %a750
+  %t751 = load ptr, ptr %a1
+  %t752 = load { ptr, i64, i64 }, ptr %a647
+  store { ptr, i64, i64 } { ptr @.str.5092, i64 31, i64 0 }, ptr %a754
+  store { ptr, i64, i64 } %t752, ptr %a755
+  call void @finch_str_concat(ptr %a753, ptr %a754, ptr %a755)
+  %t756 = load { ptr, i64, i64 }, ptr %a753
+  store { ptr, i64, i64 } %t756, ptr %a758
+  store { ptr, i64, i64 } { ptr @.str.5093, i64 6, i64 0 }, ptr %a759
+  call void @finch_str_concat(ptr %a757, ptr %a758, ptr %a759)
+  store { ptr, i64, i64 } %t756, ptr %a760
+  call void @finch_str_drop(ptr %a760)
+  %t761 = load { ptr, i64, i64 }, ptr %a757
+  %t762 = load { ptr, i64, i64 }, ptr %a607
   store { ptr, i64, i64 } %t761, ptr %a764
-  store { ptr, i64, i64 } %t763, ptr %a765
-  %t766 = call i32 @finch_str_eq(ptr %a764, ptr %a765)
-  %t767 = icmp ne i32 %t766, 0
-  br i1 %t767, label %then7483, label %endif7485
-then7483:
-  %t768 = load ptr, ptr %a1
-  %t769 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t768, { ptr, i64, i64 } { ptr @.str.4931, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t769, ptr %a770
-  %t771 = load ptr, ptr %a1
-  %t772 = load { ptr, i64, i64 }, ptr %a770
-  call void @finch.gen.store(ptr %t771, { ptr, i64, i64 } { ptr @.str.4932, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4933, i64 15, i64 0 }, { ptr, i64, i64 } %t772)
-  %t773 = load ptr, ptr %a1
-  %t774 = load { ptr, i64, i64 }, ptr %a745
-  store { ptr, i64, i64 } { ptr @.str.4934, i64 35, i64 0 }, ptr %a776
-  store { ptr, i64, i64 } %t774, ptr %a777
-  call void @finch_str_concat(ptr %a775, ptr %a776, ptr %a777)
-  %t778 = load { ptr, i64, i64 }, ptr %a775
+  store { ptr, i64, i64 } %t762, ptr %a765
+  call void @finch_str_concat(ptr %a763, ptr %a764, ptr %a765)
+  store { ptr, i64, i64 } %t761, ptr %a766
+  call void @finch_str_drop(ptr %a766)
+  %t767 = load { ptr, i64, i64 }, ptr %a763
+  store { ptr, i64, i64 } %t767, ptr %a769
+  store { ptr, i64, i64 } { ptr @.str.5094, i64 6, i64 0 }, ptr %a770
+  call void @finch_str_concat(ptr %a768, ptr %a769, ptr %a770)
+  store { ptr, i64, i64 } %t767, ptr %a771
+  call void @finch_str_drop(ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a768
+  %t773 = load { ptr, i64, i64 }, ptr %a750
+  store { ptr, i64, i64 } %t772, ptr %a775
+  store { ptr, i64, i64 } %t773, ptr %a776
+  call void @finch_str_concat(ptr %a774, ptr %a775, ptr %a776)
+  store { ptr, i64, i64 } %t772, ptr %a777
+  call void @finch_str_drop(ptr %a777)
+  %t778 = load { ptr, i64, i64 }, ptr %a774
   store { ptr, i64, i64 } %t778, ptr %a780
-  store { ptr, i64, i64 } { ptr @.str.4935, i64 6, i64 0 }, ptr %a781
+  store { ptr, i64, i64 } { ptr @.str.5095, i64 6, i64 0 }, ptr %a781
   call void @finch_str_concat(ptr %a779, ptr %a780, ptr %a781)
-  %t782 = load { ptr, i64, i64 }, ptr %a779
-  %t783 = load { ptr, i64, i64 }, ptr %a757
-  store { ptr, i64, i64 } %t782, ptr %a785
-  store { ptr, i64, i64 } %t783, ptr %a786
-  call void @finch_str_concat(ptr %a784, ptr %a785, ptr %a786)
-  %t787 = load { ptr, i64, i64 }, ptr %a784
-  store { ptr, i64, i64 } %t787, ptr %a789
-  store { ptr, i64, i64 } { ptr @.str.4936, i64 6, i64 0 }, ptr %a790
+  store { ptr, i64, i64 } %t778, ptr %a782
+  call void @finch_str_drop(ptr %a782)
+  %t783 = load { ptr, i64, i64 }, ptr %a779
+  %t784 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t785 = load i64, ptr %t784
+  call void @finch_str_from_int(ptr %a786, i64 %t785)
+  %t787 = load { ptr, i64, i64 }, ptr %a786
+  store { ptr, i64, i64 } %t783, ptr %a789
+  store { ptr, i64, i64 } %t787, ptr %a790
   call void @finch_str_concat(ptr %a788, ptr %a789, ptr %a790)
-  %t791 = load { ptr, i64, i64 }, ptr %a788
-  %t792 = load { ptr, i64, i64 }, ptr %a770
-  store { ptr, i64, i64 } %t791, ptr %a794
-  store { ptr, i64, i64 } %t792, ptr %a795
-  call void @finch_str_concat(ptr %a793, ptr %a794, ptr %a795)
-  %t796 = load { ptr, i64, i64 }, ptr %a793
-  store { ptr, i64, i64 } %t796, ptr %a798
-  store { ptr, i64, i64 } { ptr @.str.4937, i64 1, i64 0 }, ptr %a799
-  call void @finch_str_concat(ptr %a797, ptr %a798, ptr %a799)
-  %t800 = load { ptr, i64, i64 }, ptr %a797
-  %t801 = call { ptr, i64, i64 } @finch.gen.op(ptr %t773, { ptr, i64, i64 } %t800)
-  store { ptr, i64, i64 } %t801, ptr %a802
-  %t803 = load ptr, ptr %a1
-  %t804 = load { ptr, i64, i64 }, ptr %a802
-  store { ptr, i64, i64 } { ptr @.str.4938, i64 12, i64 0 }, ptr %a806
-  store { ptr, i64, i64 } %t804, ptr %a807
-  call void @finch_str_concat(ptr %a805, ptr %a806, ptr %a807)
-  %t808 = load { ptr, i64, i64 }, ptr %a805
-  store { ptr, i64, i64 } %t808, ptr %a810
-  store { ptr, i64, i64 } { ptr @.str.4939, i64 3, i64 0 }, ptr %a811
-  call void @finch_str_concat(ptr %a809, ptr %a810, ptr %a811)
-  %t812 = load { ptr, i64, i64 }, ptr %a809
-  %t813 = call { ptr, i64, i64 } @finch.gen.op(ptr %t803, { ptr, i64, i64 } %t812)
+  store { ptr, i64, i64 } %t783, ptr %a791
+  call void @finch_str_drop(ptr %a791)
+  store { ptr, i64, i64 } %t787, ptr %a792
+  call void @finch_str_drop(ptr %a792)
+  %t793 = load { ptr, i64, i64 }, ptr %a788
+  store { ptr, i64, i64 } %t793, ptr %a795
+  store { ptr, i64, i64 } { ptr @.str.5096, i64 1, i64 0 }, ptr %a796
+  call void @finch_str_concat(ptr %a794, ptr %a795, ptr %a796)
+  store { ptr, i64, i64 } %t793, ptr %a797
+  call void @finch_str_drop(ptr %a797)
+  %t798 = load { ptr, i64, i64 }, ptr %a794
+  call void @finch.gen.emit(ptr %t751, { ptr, i64, i64 } %t798)
+  store { ptr, i64, i64 } %t798, ptr %a799
+  call void @finch_str_drop(ptr %a799)
+  %t800 = load ptr, ptr %a1
+  %t801 = load %S.gen.Val, ptr %a603
+  call void @finch.gen.release(ptr %t800, %S.gen.Val %t801)
+  %t802 = load ptr, ptr %a1
+  %t803 = load { ptr, i64, i64 }, ptr %a647
+  %t804 = call { ptr, i64, i64 } @finch.gen.load(ptr %t802, { ptr, i64, i64 } { ptr @.str.5097, i64 17, i64 0 }, { ptr, i64, i64 } %t803)
+  %t805 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t804, 0
+  %t806 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5098, i64 3, i64 0 })
+  %t807 = insertvalue %S.gen.Val %t805, %S.ast.Type %t806, 1
+  %t808 = insertvalue %S.gen.Val %t807, i1 true, 2
+  call void @finch_str_drop(ptr %a750)
+  call void @finch_str_drop(ptr %a647)
+  call void @finch_str_drop(ptr %a607)
+  call void @finch.drop.S_gen_Val(ptr %a603)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t808
+endif7842:
+  %t809 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t809, ptr %a810
+  store { ptr, i64, i64 } { ptr @.str.5099, i64 10, i64 0 }, ptr %a811
+  %t812 = call i32 @finch_str_eq(ptr %a810, ptr %a811)
+  %t813 = icmp ne i32 %t812, 0
+  br i1 %t813, label %then7861, label %endif7863
+then7861:
   %t814 = load ptr, ptr %a1
-  %t815 = icmp eq ptr %t814, null
-  br i1 %t815, label %panic7486, label %ok7487
-panic7486:
-  call void @finch_panic(ptr @.str.4940, i64 4409, ptr @.str.4941)
-  unreachable
-ok7487:
-  %t816 = getelementptr inbounds %S.gen.Gen, ptr %t814, i32 0, i32 40
-  store { ptr, i64, i64 } %t813, ptr %t816
+  %t815 = load %S.ast.Node, ptr %a2
+  %t816 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t814, %S.ast.Node %t815, i64 0, i64 2, { ptr, i64, i64 } %t816)
   %t817 = load ptr, ptr %a1
-  %t818 = load { ptr, i64, i64 }, ptr %a770
-  %t819 = call { ptr, i64, i64 } @finch.gen.load(ptr %t817, { ptr, i64, i64 } { ptr @.str.4942, i64 17, i64 0 }, { ptr, i64, i64 } %t818)
-  %t820 = load ptr, ptr %a1
-  %t821 = icmp eq ptr %t820, null
-  br i1 %t821, label %panic7488, label %ok7489
-panic7488:
-  call void @finch_panic(ptr @.str.4943, i64 4410, ptr @.str.4944)
+  %t818 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t819 = load { ptr, i64, i64 }, ptr %t818
+  %t820 = extractvalue { ptr, i64, i64 } %t819, 1
+  %t821 = icmp uge i64 0, %t820
+  br i1 %t821, label %range7864, label %inrange7865
+range7864:
+  call void @finch_panic_index(ptr @.str.5100, i64 4716, i64 0, i64 %t820)
   unreachable
-ok7489:
-  %t822 = getelementptr inbounds %S.gen.Gen, ptr %t820, i32 0, i32 41
-  store { ptr, i64, i64 } %t819, ptr %t822
-  %t823 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4945, i64 4, i64 0 })
-  %t824 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t823, 1
-  ret %S.gen.Val %t824
-endif7485:
-  %t825 = load ptr, ptr %a1
-  %t826 = load { ptr, i64, i64 }, ptr %a745
-  store { ptr, i64, i64 } { ptr @.str.4946, i64 31, i64 0 }, ptr %a828
-  store { ptr, i64, i64 } %t826, ptr %a829
-  call void @finch_str_concat(ptr %a827, ptr %a828, ptr %a829)
-  %t830 = load { ptr, i64, i64 }, ptr %a827
-  store { ptr, i64, i64 } %t830, ptr %a832
-  store { ptr, i64, i64 } { ptr @.str.4947, i64 6, i64 0 }, ptr %a833
-  call void @finch_str_concat(ptr %a831, ptr %a832, ptr %a833)
-  %t834 = load { ptr, i64, i64 }, ptr %a831
-  %t835 = load { ptr, i64, i64 }, ptr %a757
-  store { ptr, i64, i64 } %t834, ptr %a837
-  store { ptr, i64, i64 } %t835, ptr %a838
-  call void @finch_str_concat(ptr %a836, ptr %a837, ptr %a838)
-  %t839 = load { ptr, i64, i64 }, ptr %a836
-  store { ptr, i64, i64 } %t839, ptr %a841
-  store { ptr, i64, i64 } { ptr @.str.4948, i64 1, i64 0 }, ptr %a842
-  call void @finch_str_concat(ptr %a840, ptr %a841, ptr %a842)
-  %t843 = load { ptr, i64, i64 }, ptr %a840
-  %t844 = call { ptr, i64, i64 } @finch.gen.op(ptr %t825, { ptr, i64, i64 } %t843)
-  store { ptr, i64, i64 } %t844, ptr %a845
-  %t846 = load ptr, ptr %a1
-  %t847 = load { ptr, i64, i64 }, ptr %a845
-  store { ptr, i64, i64 } { ptr @.str.4949, i64 12, i64 0 }, ptr %a849
-  store { ptr, i64, i64 } %t847, ptr %a850
-  call void @finch_str_concat(ptr %a848, ptr %a849, ptr %a850)
-  %t851 = load { ptr, i64, i64 }, ptr %a848
-  store { ptr, i64, i64 } %t851, ptr %a853
-  store { ptr, i64, i64 } { ptr @.str.4950, i64 3, i64 0 }, ptr %a854
-  call void @finch_str_concat(ptr %a852, ptr %a853, ptr %a854)
-  %t855 = load { ptr, i64, i64 }, ptr %a852
-  %t856 = call { ptr, i64, i64 } @finch.gen.op(ptr %t846, { ptr, i64, i64 } %t855)
-  %t857 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t856, 0
-  %t858 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4951, i64 4, i64 0 })
-  %t859 = insertvalue %S.gen.Val %t857, %S.ast.Type %t858, 1
-  ret %S.gen.Val %t859
-endif7476:
-  %t860 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t860, ptr %a861
-  store { ptr, i64, i64 } { ptr @.str.4952, i64 11, i64 0 }, ptr %a862
+inrange7865:
+  %t822 = extractvalue { ptr, i64, i64 } %t819, 0
+  %t823 = getelementptr inbounds %S.ast.Node, ptr %t822, i64 0
+  %t824 = load %S.ast.Node, ptr %t823
+  %t825 = call %S.gen.Val @finch.gen.strArg(ptr %t817, %S.ast.Node %t824, { ptr, i64, i64 } { ptr @.str.5101, i64 13, i64 0 })
+  store %S.gen.Val %t825, ptr %a826
+  %t827 = load ptr, ptr %a1
+  %t828 = icmp eq ptr %t827, null
+  br i1 %t828, label %panic7866, label %ok7867
+panic7866:
+  call void @finch_panic(ptr @.str.5102, i64 4717, ptr @.str.5103)
+  unreachable
+ok7867:
+  %t829 = getelementptr inbounds %S.gen.Gen, ptr %t827, i32 0, i32 11
+  %t830 = getelementptr inbounds { ptr, i64, i64 }, ptr %t829, i32 0, i32 1
+  %t831 = load i64, ptr %t830
+  store i64 %t831, ptr %a832
+  %t833 = load ptr, ptr %a1
+  %t834 = load %S.gen.Val, ptr %a826
+  call void @finch.gen.hold(ptr %t833, %S.gen.Val %t834)
+  %t835 = load ptr, ptr %a1
+  %t836 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t837 = load { ptr, i64, i64 }, ptr %t836
+  %t838 = extractvalue { ptr, i64, i64 } %t837, 1
+  %t839 = icmp uge i64 1, %t838
+  br i1 %t839, label %range7868, label %inrange7869
+range7868:
+  call void @finch_panic_index(ptr @.str.5104, i64 4719, i64 1, i64 %t838)
+  unreachable
+inrange7869:
+  %t840 = extractvalue { ptr, i64, i64 } %t837, 0
+  %t841 = getelementptr inbounds %S.ast.Node, ptr %t840, i64 1
+  %t842 = load %S.ast.Node, ptr %t841
+  %t843 = call %S.gen.Val @finch.gen.strArg(ptr %t835, %S.ast.Node %t842, { ptr, i64, i64 } { ptr @.str.5105, i64 8, i64 0 })
+  store %S.gen.Val %t843, ptr %a844
+  %t845 = load ptr, ptr %a1
+  %t846 = load i64, ptr %a832
+  call void @finch.gen.heldEnd(ptr %t845, i64 %t846)
+  %t847 = load ptr, ptr %a1
+  %t848 = load %S.gen.Val, ptr %a826
+  %t849 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t847, %S.gen.Val %t848)
+  store { ptr, i64, i64 } %t849, ptr %a850
+  %t851 = load ptr, ptr %a1
+  %t852 = load %S.gen.Val, ptr %a844
+  %t853 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t851, %S.gen.Val %t852)
+  store { ptr, i64, i64 } %t853, ptr %a854
+  %t855 = load ptr, ptr %a1
+  %t856 = icmp eq ptr %t855, null
+  br i1 %t856, label %panic7870, label %ok7871
+panic7870:
+  call void @finch_panic(ptr @.str.5106, i64 4723, ptr @.str.5107)
+  unreachable
+ok7871:
+  %t857 = getelementptr inbounds %S.gen.Gen, ptr %t855, i32 0, i32 40
+  %t858 = load { ptr, i64, i64 }, ptr %t857
+  %t859 = load %S.ast.Node, ptr %a2
+  %t860 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t859)
+  store { ptr, i64, i64 } %t858, ptr %a861
+  store { ptr, i64, i64 } %t860, ptr %a862
   %t863 = call i32 @finch_str_eq(ptr %a861, ptr %a862)
   %t864 = icmp ne i32 %t863, 0
-  br i1 %t864, label %then7490, label %endif7492
-then7490:
-  %t865 = load ptr, ptr %a1
-  %t866 = load %S.ast.Node, ptr %a2
-  %t867 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t865, %S.ast.Node %t866, i64 0, i64 1, { ptr, i64, i64 } %t867)
-  %t868 = load ptr, ptr %a1
-  %t869 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t870 = load { ptr, i64, i64 }, ptr %t869
-  %t871 = extractvalue { ptr, i64, i64 } %t870, 1
-  %t872 = icmp uge i64 0, %t871
-  br i1 %t872, label %range7493, label %inrange7494
-range7493:
-  call void @finch_panic_index(ptr @.str.4953, i64 4418, i64 0, i64 %t871)
-  unreachable
-inrange7494:
-  %t873 = extractvalue { ptr, i64, i64 } %t870, 0
-  %t874 = getelementptr inbounds %S.ast.Node, ptr %t873, i64 0
-  %t875 = load %S.ast.Node, ptr %t874
-  %t876 = call %S.gen.Val @finch.gen.strArg(ptr %t868, %S.ast.Node %t875, { ptr, i64, i64 } { ptr @.str.4954, i64 13, i64 0 })
-  store %S.gen.Val %t876, ptr %a877
-  %t878 = load ptr, ptr %a1
-  %t879 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t878)
-  store { ptr, i64, i64 } %t879, ptr %a880
-  %t881 = load ptr, ptr %a1
-  %t882 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } { ptr @.str.4955, i64 30, i64 0 }, ptr %a884
+  store { ptr, i64, i64 } %t860, ptr %a865
+  call void @finch_str_drop(ptr %a865)
+  br i1 %t864, label %then7872, label %endif7874
+then7872:
+  %t866 = load ptr, ptr %a1
+  %t867 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t866, { ptr, i64, i64 } { ptr @.str.5108, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t867, ptr %a868
+  %t869 = load ptr, ptr %a1
+  %t870 = load { ptr, i64, i64 }, ptr %a868
+  call void @finch.gen.store(ptr %t869, { ptr, i64, i64 } { ptr @.str.5109, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5110, i64 15, i64 0 }, { ptr, i64, i64 } %t870)
+  %t871 = load ptr, ptr %a1
+  %t872 = load { ptr, i64, i64 }, ptr %a850
+  store { ptr, i64, i64 } { ptr @.str.5111, i64 35, i64 0 }, ptr %a874
+  store { ptr, i64, i64 } %t872, ptr %a875
+  call void @finch_str_concat(ptr %a873, ptr %a874, ptr %a875)
+  %t876 = load { ptr, i64, i64 }, ptr %a873
+  store { ptr, i64, i64 } %t876, ptr %a878
+  store { ptr, i64, i64 } { ptr @.str.5112, i64 6, i64 0 }, ptr %a879
+  call void @finch_str_concat(ptr %a877, ptr %a878, ptr %a879)
+  store { ptr, i64, i64 } %t876, ptr %a880
+  call void @finch_str_drop(ptr %a880)
+  %t881 = load { ptr, i64, i64 }, ptr %a877
+  %t882 = load { ptr, i64, i64 }, ptr %a854
+  store { ptr, i64, i64 } %t881, ptr %a884
   store { ptr, i64, i64 } %t882, ptr %a885
   call void @finch_str_concat(ptr %a883, ptr %a884, ptr %a885)
-  %t886 = load { ptr, i64, i64 }, ptr %a883
-  store { ptr, i64, i64 } %t886, ptr %a888
-  store { ptr, i64, i64 } { ptr @.str.4956, i64 6, i64 0 }, ptr %a889
-  call void @finch_str_concat(ptr %a887, ptr %a888, ptr %a889)
-  %t890 = load { ptr, i64, i64 }, ptr %a887
-  %t891 = load ptr, ptr %a1
-  %t892 = load %S.gen.Val, ptr %a877
-  %t893 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t891, %S.gen.Val %t892)
-  store { ptr, i64, i64 } %t890, ptr %a895
+  store { ptr, i64, i64 } %t881, ptr %a886
+  call void @finch_str_drop(ptr %a886)
+  %t887 = load { ptr, i64, i64 }, ptr %a883
+  store { ptr, i64, i64 } %t887, ptr %a889
+  store { ptr, i64, i64 } { ptr @.str.5113, i64 6, i64 0 }, ptr %a890
+  call void @finch_str_concat(ptr %a888, ptr %a889, ptr %a890)
+  store { ptr, i64, i64 } %t887, ptr %a891
+  call void @finch_str_drop(ptr %a891)
+  %t892 = load { ptr, i64, i64 }, ptr %a888
+  %t893 = load { ptr, i64, i64 }, ptr %a868
+  store { ptr, i64, i64 } %t892, ptr %a895
   store { ptr, i64, i64 } %t893, ptr %a896
   call void @finch_str_concat(ptr %a894, ptr %a895, ptr %a896)
-  %t897 = load { ptr, i64, i64 }, ptr %a894
-  store { ptr, i64, i64 } %t897, ptr %a899
-  store { ptr, i64, i64 } { ptr @.str.4957, i64 1, i64 0 }, ptr %a900
-  call void @finch_str_concat(ptr %a898, ptr %a899, ptr %a900)
-  %t901 = load { ptr, i64, i64 }, ptr %a898
-  call void @finch.gen.emit(ptr %t881, { ptr, i64, i64 } %t901)
-  %t902 = load ptr, ptr %a1
-  %t903 = icmp eq ptr %t902, null
-  br i1 %t903, label %panic7495, label %ok7496
-panic7495:
-  call void @finch_panic(ptr @.str.4958, i64 4421, ptr @.str.4959)
+  store { ptr, i64, i64 } %t892, ptr %a897
+  call void @finch_str_drop(ptr %a897)
+  %t898 = load { ptr, i64, i64 }, ptr %a894
+  store { ptr, i64, i64 } %t898, ptr %a900
+  store { ptr, i64, i64 } { ptr @.str.5114, i64 1, i64 0 }, ptr %a901
+  call void @finch_str_concat(ptr %a899, ptr %a900, ptr %a901)
+  store { ptr, i64, i64 } %t898, ptr %a902
+  call void @finch_str_drop(ptr %a902)
+  %t903 = load { ptr, i64, i64 }, ptr %a899
+  %t904 = call { ptr, i64, i64 } @finch.gen.op(ptr %t871, { ptr, i64, i64 } %t903)
+  store { ptr, i64, i64 } %t903, ptr %a905
+  call void @finch_str_drop(ptr %a905)
+  store { ptr, i64, i64 } %t904, ptr %a906
+  %t907 = load ptr, ptr %a1
+  %t908 = load { ptr, i64, i64 }, ptr %a906
+  store { ptr, i64, i64 } { ptr @.str.5115, i64 12, i64 0 }, ptr %a910
+  store { ptr, i64, i64 } %t908, ptr %a911
+  call void @finch_str_concat(ptr %a909, ptr %a910, ptr %a911)
+  %t912 = load { ptr, i64, i64 }, ptr %a909
+  store { ptr, i64, i64 } %t912, ptr %a914
+  store { ptr, i64, i64 } { ptr @.str.5116, i64 3, i64 0 }, ptr %a915
+  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
+  store { ptr, i64, i64 } %t912, ptr %a916
+  call void @finch_str_drop(ptr %a916)
+  %t917 = load { ptr, i64, i64 }, ptr %a913
+  %t918 = call { ptr, i64, i64 } @finch.gen.op(ptr %t907, { ptr, i64, i64 } %t917)
+  store { ptr, i64, i64 } %t917, ptr %a919
+  call void @finch_str_drop(ptr %a919)
+  %t920 = load ptr, ptr %a1
+  %t921 = icmp eq ptr %t920, null
+  br i1 %t921, label %panic7875, label %ok7876
+panic7875:
+  call void @finch_panic(ptr @.str.5117, i64 4727, ptr @.str.5118)
   unreachable
-ok7496:
-  %t904 = getelementptr inbounds %S.gen.Gen, ptr %t902, i32 0, i32 39
-  %t905 = load { ptr, i64, i64 }, ptr %t904
-  %t906 = load %S.ast.Node, ptr %a2
-  %t907 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t906)
-  store { ptr, i64, i64 } %t905, ptr %a908
-  store { ptr, i64, i64 } %t907, ptr %a909
-  %t910 = call i32 @finch_str_eq(ptr %a908, ptr %a909)
-  %t911 = icmp ne i32 %t910, 0
-  br i1 %t911, label %then7497, label %endif7499
-then7497:
-  %t912 = load ptr, ptr %a1
-  %t913 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t912, { ptr, i64, i64 } { ptr @.str.4960, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t913, ptr %a914
-  %t915 = load ptr, ptr %a1
-  %t916 = load { ptr, i64, i64 }, ptr %a914
-  call void @finch.gen.store(ptr %t915, { ptr, i64, i64 } { ptr @.str.4961, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4962, i64 15, i64 0 }, { ptr, i64, i64 } %t916)
-  %t917 = load ptr, ptr %a1
-  %t918 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } { ptr @.str.4963, i64 36, i64 0 }, ptr %a920
-  store { ptr, i64, i64 } %t918, ptr %a921
-  call void @finch_str_concat(ptr %a919, ptr %a920, ptr %a921)
-  %t922 = load { ptr, i64, i64 }, ptr %a919
-  store { ptr, i64, i64 } %t922, ptr %a924
-  store { ptr, i64, i64 } { ptr @.str.4964, i64 6, i64 0 }, ptr %a925
-  call void @finch_str_concat(ptr %a923, ptr %a924, ptr %a925)
-  %t926 = load { ptr, i64, i64 }, ptr %a923
-  %t927 = load { ptr, i64, i64 }, ptr %a914
-  store { ptr, i64, i64 } %t926, ptr %a929
-  store { ptr, i64, i64 } %t927, ptr %a930
-  call void @finch_str_concat(ptr %a928, ptr %a929, ptr %a930)
-  %t931 = load { ptr, i64, i64 }, ptr %a928
-  store { ptr, i64, i64 } %t931, ptr %a933
-  store { ptr, i64, i64 } { ptr @.str.4965, i64 1, i64 0 }, ptr %a934
-  call void @finch_str_concat(ptr %a932, ptr %a933, ptr %a934)
-  %t935 = load { ptr, i64, i64 }, ptr %a932
-  %t936 = call { ptr, i64, i64 } @finch.gen.op(ptr %t917, { ptr, i64, i64 } %t935)
-  store { ptr, i64, i64 } %t936, ptr %a937
-  %t938 = load ptr, ptr %a1
-  %t939 = load { ptr, i64, i64 }, ptr %a937
-  store { ptr, i64, i64 } { ptr @.str.4966, i64 12, i64 0 }, ptr %a941
-  store { ptr, i64, i64 } %t939, ptr %a942
-  call void @finch_str_concat(ptr %a940, ptr %a941, ptr %a942)
-  %t943 = load { ptr, i64, i64 }, ptr %a940
-  store { ptr, i64, i64 } %t943, ptr %a945
-  store { ptr, i64, i64 } { ptr @.str.4967, i64 3, i64 0 }, ptr %a946
-  call void @finch_str_concat(ptr %a944, ptr %a945, ptr %a946)
-  %t947 = load { ptr, i64, i64 }, ptr %a944
-  %t948 = call { ptr, i64, i64 } @finch.gen.op(ptr %t938, { ptr, i64, i64 } %t947)
-  %t949 = load ptr, ptr %a1
-  %t950 = icmp eq ptr %t949, null
-  br i1 %t950, label %panic7500, label %ok7501
-panic7500:
-  call void @finch_panic(ptr @.str.4968, i64 4425, ptr @.str.4969)
+ok7876:
+  %t922 = getelementptr inbounds %S.gen.Gen, ptr %t920, i32 0, i32 41
+  %t923 = load { ptr, i64, i64 }, ptr %t922
+  store { ptr, i64, i64 } %t918, ptr %t922
+  store { ptr, i64, i64 } %t923, ptr %a924
+  call void @finch_str_drop(ptr %a924)
+  %t925 = load ptr, ptr %a1
+  %t926 = load { ptr, i64, i64 }, ptr %a868
+  %t927 = call { ptr, i64, i64 } @finch.gen.load(ptr %t925, { ptr, i64, i64 } { ptr @.str.5119, i64 17, i64 0 }, { ptr, i64, i64 } %t926)
+  %t928 = load ptr, ptr %a1
+  %t929 = icmp eq ptr %t928, null
+  br i1 %t929, label %panic7877, label %ok7878
+panic7877:
+  call void @finch_panic(ptr @.str.5120, i64 4728, ptr @.str.5121)
   unreachable
-ok7501:
-  %t951 = getelementptr inbounds %S.gen.Gen, ptr %t949, i32 0, i32 40
-  store { ptr, i64, i64 } %t948, ptr %t951
-  %t952 = load ptr, ptr %a1
-  %t953 = load { ptr, i64, i64 }, ptr %a914
-  %t954 = call { ptr, i64, i64 } @finch.gen.load(ptr %t952, { ptr, i64, i64 } { ptr @.str.4970, i64 17, i64 0 }, { ptr, i64, i64 } %t953)
-  %t955 = load ptr, ptr %a1
-  %t956 = icmp eq ptr %t955, null
-  br i1 %t956, label %panic7502, label %ok7503
-panic7502:
-  call void @finch_panic(ptr @.str.4971, i64 4426, ptr @.str.4972)
-  unreachable
-ok7503:
-  %t957 = getelementptr inbounds %S.gen.Gen, ptr %t955, i32 0, i32 41
-  store { ptr, i64, i64 } %t954, ptr %t957
-  %t958 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4973, i64 4, i64 0 })
-  %t959 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t958, 1
-  ret %S.gen.Val %t959
-endif7499:
-  %t960 = load ptr, ptr %a1
-  %t961 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } { ptr @.str.4974, i64 32, i64 0 }, ptr %a963
-  store { ptr, i64, i64 } %t961, ptr %a964
-  call void @finch_str_concat(ptr %a962, ptr %a963, ptr %a964)
-  %t965 = load { ptr, i64, i64 }, ptr %a962
-  store { ptr, i64, i64 } %t965, ptr %a967
-  store { ptr, i64, i64 } { ptr @.str.4975, i64 1, i64 0 }, ptr %a968
-  call void @finch_str_concat(ptr %a966, ptr %a967, ptr %a968)
-  %t969 = load { ptr, i64, i64 }, ptr %a966
-  %t970 = call { ptr, i64, i64 } @finch.gen.op(ptr %t960, { ptr, i64, i64 } %t969)
-  store { ptr, i64, i64 } %t970, ptr %a971
-  %t972 = load ptr, ptr %a1
-  %t973 = load { ptr, i64, i64 }, ptr %a971
-  store { ptr, i64, i64 } { ptr @.str.4976, i64 12, i64 0 }, ptr %a975
-  store { ptr, i64, i64 } %t973, ptr %a976
+ok7878:
+  %t930 = getelementptr inbounds %S.gen.Gen, ptr %t928, i32 0, i32 42
+  %t931 = load { ptr, i64, i64 }, ptr %t930
+  store { ptr, i64, i64 } %t927, ptr %t930
+  store { ptr, i64, i64 } %t931, ptr %a932
+  call void @finch_str_drop(ptr %a932)
+  %t933 = load ptr, ptr %a1
+  %t934 = load %S.gen.Val, ptr %a826
+  call void @finch.gen.release(ptr %t933, %S.gen.Val %t934)
+  %t935 = load ptr, ptr %a1
+  %t936 = load %S.gen.Val, ptr %a844
+  call void @finch.gen.release(ptr %t935, %S.gen.Val %t936)
+  %t937 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5122, i64 4, i64 0 })
+  %t938 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t937, 1
+  call void @finch_str_drop(ptr %a906)
+  call void @finch_str_drop(ptr %a868)
+  call void @finch_str_drop(ptr %a854)
+  call void @finch_str_drop(ptr %a850)
+  call void @finch.drop.S_gen_Val(ptr %a844)
+  call void @finch.drop.S_gen_Val(ptr %a826)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t938
+endif7874:
+  %t939 = load ptr, ptr %a1
+  %t940 = load { ptr, i64, i64 }, ptr %a850
+  store { ptr, i64, i64 } { ptr @.str.5123, i64 31, i64 0 }, ptr %a942
+  store { ptr, i64, i64 } %t940, ptr %a943
+  call void @finch_str_concat(ptr %a941, ptr %a942, ptr %a943)
+  %t944 = load { ptr, i64, i64 }, ptr %a941
+  store { ptr, i64, i64 } %t944, ptr %a946
+  store { ptr, i64, i64 } { ptr @.str.5124, i64 6, i64 0 }, ptr %a947
+  call void @finch_str_concat(ptr %a945, ptr %a946, ptr %a947)
+  store { ptr, i64, i64 } %t944, ptr %a948
+  call void @finch_str_drop(ptr %a948)
+  %t949 = load { ptr, i64, i64 }, ptr %a945
+  %t950 = load { ptr, i64, i64 }, ptr %a854
+  store { ptr, i64, i64 } %t949, ptr %a952
+  store { ptr, i64, i64 } %t950, ptr %a953
+  call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
+  store { ptr, i64, i64 } %t949, ptr %a954
+  call void @finch_str_drop(ptr %a954)
+  %t955 = load { ptr, i64, i64 }, ptr %a951
+  store { ptr, i64, i64 } %t955, ptr %a957
+  store { ptr, i64, i64 } { ptr @.str.5125, i64 1, i64 0 }, ptr %a958
+  call void @finch_str_concat(ptr %a956, ptr %a957, ptr %a958)
+  store { ptr, i64, i64 } %t955, ptr %a959
+  call void @finch_str_drop(ptr %a959)
+  %t960 = load { ptr, i64, i64 }, ptr %a956
+  %t961 = call { ptr, i64, i64 } @finch.gen.op(ptr %t939, { ptr, i64, i64 } %t960)
+  store { ptr, i64, i64 } %t960, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  store { ptr, i64, i64 } %t961, ptr %a963
+  %t964 = load ptr, ptr %a1
+  %t965 = load %S.gen.Val, ptr %a826
+  call void @finch.gen.release(ptr %t964, %S.gen.Val %t965)
+  %t966 = load ptr, ptr %a1
+  %t967 = load %S.gen.Val, ptr %a844
+  call void @finch.gen.release(ptr %t966, %S.gen.Val %t967)
+  %t968 = load ptr, ptr %a1
+  %t969 = load { ptr, i64, i64 }, ptr %a963
+  store { ptr, i64, i64 } { ptr @.str.5126, i64 12, i64 0 }, ptr %a971
+  store { ptr, i64, i64 } %t969, ptr %a972
+  call void @finch_str_concat(ptr %a970, ptr %a971, ptr %a972)
+  %t973 = load { ptr, i64, i64 }, ptr %a970
+  store { ptr, i64, i64 } %t973, ptr %a975
+  store { ptr, i64, i64 } { ptr @.str.5127, i64 3, i64 0 }, ptr %a976
   call void @finch_str_concat(ptr %a974, ptr %a975, ptr %a976)
-  %t977 = load { ptr, i64, i64 }, ptr %a974
-  store { ptr, i64, i64 } %t977, ptr %a979
-  store { ptr, i64, i64 } { ptr @.str.4977, i64 3, i64 0 }, ptr %a980
-  call void @finch_str_concat(ptr %a978, ptr %a979, ptr %a980)
-  %t981 = load { ptr, i64, i64 }, ptr %a978
-  %t982 = call { ptr, i64, i64 } @finch.gen.op(ptr %t972, { ptr, i64, i64 } %t981)
-  %t983 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t982, 0
-  %t984 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4978, i64 4, i64 0 })
-  %t985 = insertvalue %S.gen.Val %t983, %S.ast.Type %t984, 1
-  ret %S.gen.Val %t985
-endif7492:
-  %t986 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t986, ptr %a987
-  store { ptr, i64, i64 } { ptr @.str.4979, i64 5, i64 0 }, ptr %a988
-  %t989 = call i32 @finch_str_eq(ptr %a987, ptr %a988)
-  %t990 = icmp ne i32 %t989, 0
-  br i1 %t990, label %then7504, label %endif7506
-then7504:
-  %t991 = load ptr, ptr %a1
-  %t992 = load %S.ast.Node, ptr %a2
-  %t993 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t991, %S.ast.Node %t992, i64 0, i64 1, { ptr, i64, i64 } %t993)
-  %t994 = load ptr, ptr %a1
-  %t995 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t996 = load { ptr, i64, i64 }, ptr %t995
-  %t997 = extractvalue { ptr, i64, i64 } %t996, 1
-  %t998 = icmp uge i64 0, %t997
-  br i1 %t998, label %range7507, label %inrange7508
-range7507:
-  call void @finch_panic_index(ptr @.str.4980, i64 4434, i64 0, i64 %t997)
+  store { ptr, i64, i64 } %t973, ptr %a977
+  call void @finch_str_drop(ptr %a977)
+  %t978 = load { ptr, i64, i64 }, ptr %a974
+  %t979 = call { ptr, i64, i64 } @finch.gen.op(ptr %t968, { ptr, i64, i64 } %t978)
+  store { ptr, i64, i64 } %t978, ptr %a980
+  call void @finch_str_drop(ptr %a980)
+  %t981 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t979, 0
+  %t982 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5128, i64 4, i64 0 })
+  %t983 = insertvalue %S.gen.Val %t981, %S.ast.Type %t982, 1
+  call void @finch_str_drop(ptr %a963)
+  call void @finch_str_drop(ptr %a854)
+  call void @finch_str_drop(ptr %a850)
+  call void @finch.drop.S_gen_Val(ptr %a844)
+  call void @finch.drop.S_gen_Val(ptr %a826)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t983
+endif7863:
+  %t984 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t984, ptr %a985
+  store { ptr, i64, i64 } { ptr @.str.5129, i64 11, i64 0 }, ptr %a986
+  %t987 = call i32 @finch_str_eq(ptr %a985, ptr %a986)
+  %t988 = icmp ne i32 %t987, 0
+  br i1 %t988, label %then7879, label %endif7881
+then7879:
+  %t989 = load ptr, ptr %a1
+  %t990 = load %S.ast.Node, ptr %a2
+  %t991 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t989, %S.ast.Node %t990, i64 0, i64 1, { ptr, i64, i64 } %t991)
+  %t992 = load ptr, ptr %a1
+  %t993 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t994 = load { ptr, i64, i64 }, ptr %t993
+  %t995 = extractvalue { ptr, i64, i64 } %t994, 1
+  %t996 = icmp uge i64 0, %t995
+  br i1 %t996, label %range7882, label %inrange7883
+range7882:
+  call void @finch_panic_index(ptr @.str.5130, i64 4740, i64 0, i64 %t995)
   unreachable
-inrange7508:
-  %t999 = extractvalue { ptr, i64, i64 } %t996, 0
-  %t1000 = getelementptr inbounds %S.ast.Node, ptr %t999, i64 0
-  %t1001 = load %S.ast.Node, ptr %t1000
-  %t1002 = call %S.gen.Val @finch.gen.strArg(ptr %t994, %S.ast.Node %t1001, { ptr, i64, i64 } { ptr @.str.4981, i64 11, i64 0 })
-  store %S.gen.Val %t1002, ptr %a1003
-  %t1004 = load ptr, ptr %a1
-  %t1005 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1004)
-  store { ptr, i64, i64 } %t1005, ptr %a1006
-  %t1007 = load ptr, ptr %a1
-  %t1008 = load { ptr, i64, i64 }, ptr %a1006
-  store { ptr, i64, i64 } { ptr @.str.4982, i64 30, i64 0 }, ptr %a1010
-  store { ptr, i64, i64 } %t1008, ptr %a1011
-  call void @finch_str_concat(ptr %a1009, ptr %a1010, ptr %a1011)
-  %t1012 = load { ptr, i64, i64 }, ptr %a1009
-  store { ptr, i64, i64 } %t1012, ptr %a1014
-  store { ptr, i64, i64 } { ptr @.str.4983, i64 6, i64 0 }, ptr %a1015
-  call void @finch_str_concat(ptr %a1013, ptr %a1014, ptr %a1015)
-  %t1016 = load { ptr, i64, i64 }, ptr %a1013
-  %t1017 = load ptr, ptr %a1
-  %t1018 = load %S.gen.Val, ptr %a1003
-  %t1019 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1017, %S.gen.Val %t1018)
-  store { ptr, i64, i64 } %t1016, ptr %a1021
-  store { ptr, i64, i64 } %t1019, ptr %a1022
-  call void @finch_str_concat(ptr %a1020, ptr %a1021, ptr %a1022)
-  %t1023 = load { ptr, i64, i64 }, ptr %a1020
-  store { ptr, i64, i64 } %t1023, ptr %a1025
-  store { ptr, i64, i64 } { ptr @.str.4984, i64 1, i64 0 }, ptr %a1026
-  call void @finch_str_concat(ptr %a1024, ptr %a1025, ptr %a1026)
-  %t1027 = load { ptr, i64, i64 }, ptr %a1024
-  call void @finch.gen.emit(ptr %t1007, { ptr, i64, i64 } %t1027)
-  %t1028 = load ptr, ptr %a1
-  %t1029 = load { ptr, i64, i64 }, ptr %a1006
-  store { ptr, i64, i64 } { ptr @.str.4985, i64 26, i64 0 }, ptr %a1031
-  store { ptr, i64, i64 } %t1029, ptr %a1032
-  call void @finch_str_concat(ptr %a1030, ptr %a1031, ptr %a1032)
-  %t1033 = load { ptr, i64, i64 }, ptr %a1030
-  store { ptr, i64, i64 } %t1033, ptr %a1035
-  store { ptr, i64, i64 } { ptr @.str.4986, i64 1, i64 0 }, ptr %a1036
-  call void @finch_str_concat(ptr %a1034, ptr %a1035, ptr %a1036)
-  %t1037 = load { ptr, i64, i64 }, ptr %a1034
-  %t1038 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1028, { ptr, i64, i64 } %t1037)
-  %t1039 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1038, 0
-  %t1040 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4987, i64 3, i64 0 })
-  %t1041 = insertvalue %S.gen.Val %t1039, %S.ast.Type %t1040, 1
-  ret %S.gen.Val %t1041
-endif7506:
-  %t1042 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1042, ptr %a1043
-  store { ptr, i64, i64 } { ptr @.str.4988, i64 4, i64 0 }, ptr %a1044
-  %t1045 = call i32 @finch_str_eq(ptr %a1043, ptr %a1044)
-  %t1046 = icmp ne i32 %t1045, 0
-  br i1 %t1046, label %then7509, label %endif7511
-then7509:
+inrange7883:
+  %t997 = extractvalue { ptr, i64, i64 } %t994, 0
+  %t998 = getelementptr inbounds %S.ast.Node, ptr %t997, i64 0
+  %t999 = load %S.ast.Node, ptr %t998
+  %t1000 = call %S.gen.Val @finch.gen.strArg(ptr %t992, %S.ast.Node %t999, { ptr, i64, i64 } { ptr @.str.5131, i64 13, i64 0 })
+  store %S.gen.Val %t1000, ptr %a1001
+  %t1002 = load ptr, ptr %a1
+  %t1003 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1002)
+  store { ptr, i64, i64 } %t1003, ptr %a1004
+  %t1005 = load ptr, ptr %a1
+  %t1006 = load { ptr, i64, i64 }, ptr %a1004
+  store { ptr, i64, i64 } { ptr @.str.5132, i64 30, i64 0 }, ptr %a1008
+  store { ptr, i64, i64 } %t1006, ptr %a1009
+  call void @finch_str_concat(ptr %a1007, ptr %a1008, ptr %a1009)
+  %t1010 = load { ptr, i64, i64 }, ptr %a1007
+  store { ptr, i64, i64 } %t1010, ptr %a1012
+  store { ptr, i64, i64 } { ptr @.str.5133, i64 6, i64 0 }, ptr %a1013
+  call void @finch_str_concat(ptr %a1011, ptr %a1012, ptr %a1013)
+  store { ptr, i64, i64 } %t1010, ptr %a1014
+  call void @finch_str_drop(ptr %a1014)
+  %t1015 = load { ptr, i64, i64 }, ptr %a1011
+  %t1016 = load ptr, ptr %a1
+  %t1017 = load %S.gen.Val, ptr %a1001
+  %t1018 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1016, %S.gen.Val %t1017)
+  store { ptr, i64, i64 } %t1015, ptr %a1020
+  store { ptr, i64, i64 } %t1018, ptr %a1021
+  call void @finch_str_concat(ptr %a1019, ptr %a1020, ptr %a1021)
+  store { ptr, i64, i64 } %t1015, ptr %a1022
+  call void @finch_str_drop(ptr %a1022)
+  store { ptr, i64, i64 } %t1018, ptr %a1023
+  call void @finch_str_drop(ptr %a1023)
+  %t1024 = load { ptr, i64, i64 }, ptr %a1019
+  store { ptr, i64, i64 } %t1024, ptr %a1026
+  store { ptr, i64, i64 } { ptr @.str.5134, i64 1, i64 0 }, ptr %a1027
+  call void @finch_str_concat(ptr %a1025, ptr %a1026, ptr %a1027)
+  store { ptr, i64, i64 } %t1024, ptr %a1028
+  call void @finch_str_drop(ptr %a1028)
+  %t1029 = load { ptr, i64, i64 }, ptr %a1025
+  call void @finch.gen.emit(ptr %t1005, { ptr, i64, i64 } %t1029)
+  store { ptr, i64, i64 } %t1029, ptr %a1030
+  call void @finch_str_drop(ptr %a1030)
+  %t1031 = load ptr, ptr %a1
+  %t1032 = icmp eq ptr %t1031, null
+  br i1 %t1032, label %panic7884, label %ok7885
+panic7884:
+  call void @finch_panic(ptr @.str.5135, i64 4743, ptr @.str.5136)
+  unreachable
+ok7885:
+  %t1033 = getelementptr inbounds %S.gen.Gen, ptr %t1031, i32 0, i32 40
+  %t1034 = load { ptr, i64, i64 }, ptr %t1033
+  %t1035 = load %S.ast.Node, ptr %a2
+  %t1036 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t1035)
+  store { ptr, i64, i64 } %t1034, ptr %a1037
+  store { ptr, i64, i64 } %t1036, ptr %a1038
+  %t1039 = call i32 @finch_str_eq(ptr %a1037, ptr %a1038)
+  %t1040 = icmp ne i32 %t1039, 0
+  store { ptr, i64, i64 } %t1036, ptr %a1041
+  call void @finch_str_drop(ptr %a1041)
+  br i1 %t1040, label %then7886, label %endif7888
+then7886:
+  %t1042 = load ptr, ptr %a1
+  %t1043 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1042, { ptr, i64, i64 } { ptr @.str.5137, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t1043, ptr %a1044
+  %t1045 = load ptr, ptr %a1
+  %t1046 = load { ptr, i64, i64 }, ptr %a1044
+  call void @finch.gen.store(ptr %t1045, { ptr, i64, i64 } { ptr @.str.5138, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5139, i64 15, i64 0 }, { ptr, i64, i64 } %t1046)
   %t1047 = load ptr, ptr %a1
-  %t1048 = load %S.ast.Node, ptr %a2
-  %t1049 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1047, %S.ast.Node %t1048, i64 0, i64 1, { ptr, i64, i64 } %t1049)
-  %t1050 = load ptr, ptr %a1
-  %t1051 = load ptr, ptr %a1
-  %t1052 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1053 = load { ptr, i64, i64 }, ptr %t1052
-  %t1054 = extractvalue { ptr, i64, i64 } %t1053, 1
-  %t1055 = icmp uge i64 0, %t1054
-  br i1 %t1055, label %range7512, label %inrange7513
-range7512:
-  call void @finch_panic_index(ptr @.str.4989, i64 4441, i64 0, i64 %t1054)
+  %t1048 = load { ptr, i64, i64 }, ptr %a1004
+  store { ptr, i64, i64 } { ptr @.str.5140, i64 36, i64 0 }, ptr %a1050
+  store { ptr, i64, i64 } %t1048, ptr %a1051
+  call void @finch_str_concat(ptr %a1049, ptr %a1050, ptr %a1051)
+  %t1052 = load { ptr, i64, i64 }, ptr %a1049
+  store { ptr, i64, i64 } %t1052, ptr %a1054
+  store { ptr, i64, i64 } { ptr @.str.5141, i64 6, i64 0 }, ptr %a1055
+  call void @finch_str_concat(ptr %a1053, ptr %a1054, ptr %a1055)
+  store { ptr, i64, i64 } %t1052, ptr %a1056
+  call void @finch_str_drop(ptr %a1056)
+  %t1057 = load { ptr, i64, i64 }, ptr %a1053
+  %t1058 = load { ptr, i64, i64 }, ptr %a1044
+  store { ptr, i64, i64 } %t1057, ptr %a1060
+  store { ptr, i64, i64 } %t1058, ptr %a1061
+  call void @finch_str_concat(ptr %a1059, ptr %a1060, ptr %a1061)
+  store { ptr, i64, i64 } %t1057, ptr %a1062
+  call void @finch_str_drop(ptr %a1062)
+  %t1063 = load { ptr, i64, i64 }, ptr %a1059
+  store { ptr, i64, i64 } %t1063, ptr %a1065
+  store { ptr, i64, i64 } { ptr @.str.5142, i64 1, i64 0 }, ptr %a1066
+  call void @finch_str_concat(ptr %a1064, ptr %a1065, ptr %a1066)
+  store { ptr, i64, i64 } %t1063, ptr %a1067
+  call void @finch_str_drop(ptr %a1067)
+  %t1068 = load { ptr, i64, i64 }, ptr %a1064
+  %t1069 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1047, { ptr, i64, i64 } %t1068)
+  store { ptr, i64, i64 } %t1068, ptr %a1070
+  call void @finch_str_drop(ptr %a1070)
+  store { ptr, i64, i64 } %t1069, ptr %a1071
+  %t1072 = load ptr, ptr %a1
+  %t1073 = load { ptr, i64, i64 }, ptr %a1071
+  store { ptr, i64, i64 } { ptr @.str.5143, i64 12, i64 0 }, ptr %a1075
+  store { ptr, i64, i64 } %t1073, ptr %a1076
+  call void @finch_str_concat(ptr %a1074, ptr %a1075, ptr %a1076)
+  %t1077 = load { ptr, i64, i64 }, ptr %a1074
+  store { ptr, i64, i64 } %t1077, ptr %a1079
+  store { ptr, i64, i64 } { ptr @.str.5144, i64 3, i64 0 }, ptr %a1080
+  call void @finch_str_concat(ptr %a1078, ptr %a1079, ptr %a1080)
+  store { ptr, i64, i64 } %t1077, ptr %a1081
+  call void @finch_str_drop(ptr %a1081)
+  %t1082 = load { ptr, i64, i64 }, ptr %a1078
+  %t1083 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1072, { ptr, i64, i64 } %t1082)
+  store { ptr, i64, i64 } %t1082, ptr %a1084
+  call void @finch_str_drop(ptr %a1084)
+  %t1085 = load ptr, ptr %a1
+  %t1086 = icmp eq ptr %t1085, null
+  br i1 %t1086, label %panic7889, label %ok7890
+panic7889:
+  call void @finch_panic(ptr @.str.5145, i64 4747, ptr @.str.5146)
   unreachable
-inrange7513:
-  %t1056 = extractvalue { ptr, i64, i64 } %t1053, 0
-  %t1057 = getelementptr inbounds %S.ast.Node, ptr %t1056, i64 0
-  %t1058 = load %S.ast.Node, ptr %t1057
-  %t1059 = call %S.gen.Val @finch.gen.expr(ptr %t1051, %S.ast.Node %t1058)
-  %t1060 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4990, i64 3, i64 0 })
-  %t1061 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1062 = load { ptr, i64, i64 }, ptr %t1061
-  %t1063 = extractvalue { ptr, i64, i64 } %t1062, 1
-  %t1064 = icmp uge i64 0, %t1063
-  br i1 %t1064, label %range7514, label %inrange7515
-range7514:
-  call void @finch_panic_index(ptr @.str.4991, i64 4441, i64 0, i64 %t1063)
+ok7890:
+  %t1087 = getelementptr inbounds %S.gen.Gen, ptr %t1085, i32 0, i32 41
+  %t1088 = load { ptr, i64, i64 }, ptr %t1087
+  store { ptr, i64, i64 } %t1083, ptr %t1087
+  store { ptr, i64, i64 } %t1088, ptr %a1089
+  call void @finch_str_drop(ptr %a1089)
+  %t1090 = load ptr, ptr %a1
+  %t1091 = load { ptr, i64, i64 }, ptr %a1044
+  %t1092 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1090, { ptr, i64, i64 } { ptr @.str.5147, i64 17, i64 0 }, { ptr, i64, i64 } %t1091)
+  %t1093 = load ptr, ptr %a1
+  %t1094 = icmp eq ptr %t1093, null
+  br i1 %t1094, label %panic7891, label %ok7892
+panic7891:
+  call void @finch_panic(ptr @.str.5148, i64 4748, ptr @.str.5149)
   unreachable
-inrange7515:
-  %t1065 = extractvalue { ptr, i64, i64 } %t1062, 0
-  %t1066 = getelementptr inbounds %S.ast.Node, ptr %t1065, i64 0
-  %t1067 = load %S.ast.Node, ptr %t1066
-  %t1068 = call %S.gen.Val @finch.gen.coerce(ptr %t1050, %S.gen.Val %t1059, %S.ast.Type %t1060, %S.ast.Node %t1067, { ptr, i64, i64 } { ptr @.str.4992, i64 13, i64 0 })
-  store %S.gen.Val %t1068, ptr %a1069
-  %t1070 = load ptr, ptr %a1
-  %t1071 = getelementptr inbounds %S.gen.Val, ptr %a1069, i32 0, i32 0
-  %t1072 = load { ptr, i64, i64 }, ptr %t1071
-  store { ptr, i64, i64 } { ptr @.str.4993, i64 10, i64 0 }, ptr %a1074
-  store { ptr, i64, i64 } %t1072, ptr %a1075
-  call void @finch_str_concat(ptr %a1073, ptr %a1074, ptr %a1075)
-  %t1076 = load { ptr, i64, i64 }, ptr %a1073
-  store { ptr, i64, i64 } %t1076, ptr %a1078
-  store { ptr, i64, i64 } { ptr @.str.4994, i64 7, i64 0 }, ptr %a1079
-  call void @finch_str_concat(ptr %a1077, ptr %a1078, ptr %a1079)
-  %t1080 = load { ptr, i64, i64 }, ptr %a1077
-  %t1081 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1070, { ptr, i64, i64 } %t1080)
-  store { ptr, i64, i64 } %t1081, ptr %a1082
-  %t1083 = load ptr, ptr %a1
-  %t1084 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1083, { ptr, i64, i64 } { ptr @.str.4995, i64 26, i64 0 })
-  store { ptr, i64, i64 } %t1084, ptr %a1085
-  %t1086 = load ptr, ptr %a1
-  %t1087 = load { ptr, i64, i64 }, ptr %a1082
-  store { ptr, i64, i64 } { ptr @.str.4996, i64 20, i64 0 }, ptr %a1089
-  store { ptr, i64, i64 } %t1087, ptr %a1090
-  call void @finch_str_concat(ptr %a1088, ptr %a1089, ptr %a1090)
-  %t1091 = load { ptr, i64, i64 }, ptr %a1088
-  store { ptr, i64, i64 } %t1091, ptr %a1093
-  store { ptr, i64, i64 } { ptr @.str.4997, i64 1, i64 0 }, ptr %a1094
-  call void @finch_str_concat(ptr %a1092, ptr %a1093, ptr %a1094)
-  %t1095 = load { ptr, i64, i64 }, ptr %a1092
-  call void @finch.gen.emit(ptr %t1086, { ptr, i64, i64 } %t1095)
-  %t1096 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4998, i64 4, i64 0 })
-  %t1097 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1096, 1
-  ret %S.gen.Val %t1097
-endif7511:
-  %t1098 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1098, ptr %a1099
-  store { ptr, i64, i64 } { ptr @.str.4999, i64 5, i64 0 }, ptr %a1100
-  %t1101 = call i32 @finch_str_eq(ptr %a1099, ptr %a1100)
-  %t1102 = icmp ne i32 %t1101, 0
-  br i1 %t1102, label %then7516, label %endif7518
-then7516:
-  %t1103 = load ptr, ptr %a1
-  %t1104 = call %S.gen.Val @finch.gen.strConst(ptr %t1103, { ptr, i64, i64 } { ptr @.str.5000, i64 0, i64 0 })
-  store %S.gen.Val %t1104, ptr %a1105
-  %t1106 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1106, i32 0, i32 1
-  %t1108 = load i64, ptr %t1107
-  %t1109 = icmp sgt i64 %t1108, 0
-  br i1 %t1109, label %then7519, label %endif7521
-then7519:
-  %t1110 = load ptr, ptr %a1
-  %t1111 = load %S.ast.Node, ptr %a2
-  %t1112 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1110, %S.ast.Node %t1111, i64 0, i64 1, { ptr, i64, i64 } %t1112)
-  %t1113 = load ptr, ptr %a1
-  %t1114 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1115 = load { ptr, i64, i64 }, ptr %t1114
-  %t1116 = extractvalue { ptr, i64, i64 } %t1115, 1
-  %t1117 = icmp uge i64 0, %t1116
-  br i1 %t1117, label %range7522, label %inrange7523
-range7522:
-  call void @finch_panic_index(ptr @.str.5001, i64 4451, i64 0, i64 %t1116)
+ok7892:
+  %t1095 = getelementptr inbounds %S.gen.Gen, ptr %t1093, i32 0, i32 42
+  %t1096 = load { ptr, i64, i64 }, ptr %t1095
+  store { ptr, i64, i64 } %t1092, ptr %t1095
+  store { ptr, i64, i64 } %t1096, ptr %a1097
+  call void @finch_str_drop(ptr %a1097)
+  %t1098 = load ptr, ptr %a1
+  %t1099 = load { ptr, i64, i64 }, ptr %a1004
+  %t1100 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5150, i64 3, i64 0 })
+  call void @finch.gen.dropAt(ptr %t1098, { ptr, i64, i64 } %t1099, %S.ast.Type %t1100)
+  store %S.ast.Type %t1100, ptr %a1101
+  call void @finch.drop.S_ast_Type(ptr %a1101)
+  %t1102 = load ptr, ptr %a1
+  %t1103 = load %S.gen.Val, ptr %a1001
+  call void @finch.gen.release(ptr %t1102, %S.gen.Val %t1103)
+  %t1104 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5151, i64 4, i64 0 })
+  %t1105 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1104, 1
+  call void @finch_str_drop(ptr %a1071)
+  call void @finch_str_drop(ptr %a1044)
+  call void @finch_str_drop(ptr %a1004)
+  call void @finch.drop.S_gen_Val(ptr %a1001)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1105
+endif7888:
+  %t1106 = load ptr, ptr %a1
+  %t1107 = load { ptr, i64, i64 }, ptr %a1004
+  store { ptr, i64, i64 } { ptr @.str.5152, i64 32, i64 0 }, ptr %a1109
+  store { ptr, i64, i64 } %t1107, ptr %a1110
+  call void @finch_str_concat(ptr %a1108, ptr %a1109, ptr %a1110)
+  %t1111 = load { ptr, i64, i64 }, ptr %a1108
+  store { ptr, i64, i64 } %t1111, ptr %a1113
+  store { ptr, i64, i64 } { ptr @.str.5153, i64 1, i64 0 }, ptr %a1114
+  call void @finch_str_concat(ptr %a1112, ptr %a1113, ptr %a1114)
+  store { ptr, i64, i64 } %t1111, ptr %a1115
+  call void @finch_str_drop(ptr %a1115)
+  %t1116 = load { ptr, i64, i64 }, ptr %a1112
+  %t1117 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1106, { ptr, i64, i64 } %t1116)
+  store { ptr, i64, i64 } %t1116, ptr %a1118
+  call void @finch_str_drop(ptr %a1118)
+  store { ptr, i64, i64 } %t1117, ptr %a1119
+  %t1120 = load ptr, ptr %a1
+  %t1121 = load { ptr, i64, i64 }, ptr %a1004
+  %t1122 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5154, i64 3, i64 0 })
+  call void @finch.gen.dropAt(ptr %t1120, { ptr, i64, i64 } %t1121, %S.ast.Type %t1122)
+  store %S.ast.Type %t1122, ptr %a1123
+  call void @finch.drop.S_ast_Type(ptr %a1123)
+  %t1124 = load ptr, ptr %a1
+  %t1125 = load %S.gen.Val, ptr %a1001
+  call void @finch.gen.release(ptr %t1124, %S.gen.Val %t1125)
+  %t1126 = load ptr, ptr %a1
+  %t1127 = load { ptr, i64, i64 }, ptr %a1119
+  store { ptr, i64, i64 } { ptr @.str.5155, i64 12, i64 0 }, ptr %a1129
+  store { ptr, i64, i64 } %t1127, ptr %a1130
+  call void @finch_str_concat(ptr %a1128, ptr %a1129, ptr %a1130)
+  %t1131 = load { ptr, i64, i64 }, ptr %a1128
+  store { ptr, i64, i64 } %t1131, ptr %a1133
+  store { ptr, i64, i64 } { ptr @.str.5156, i64 3, i64 0 }, ptr %a1134
+  call void @finch_str_concat(ptr %a1132, ptr %a1133, ptr %a1134)
+  store { ptr, i64, i64 } %t1131, ptr %a1135
+  call void @finch_str_drop(ptr %a1135)
+  %t1136 = load { ptr, i64, i64 }, ptr %a1132
+  %t1137 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1126, { ptr, i64, i64 } %t1136)
+  store { ptr, i64, i64 } %t1136, ptr %a1138
+  call void @finch_str_drop(ptr %a1138)
+  %t1139 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1137, 0
+  %t1140 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5157, i64 4, i64 0 })
+  %t1141 = insertvalue %S.gen.Val %t1139, %S.ast.Type %t1140, 1
+  call void @finch_str_drop(ptr %a1119)
+  call void @finch_str_drop(ptr %a1004)
+  call void @finch.drop.S_gen_Val(ptr %a1001)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1141
+endif7881:
+  %t1142 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1142, ptr %a1143
+  store { ptr, i64, i64 } { ptr @.str.5158, i64 5, i64 0 }, ptr %a1144
+  %t1145 = call i32 @finch_str_eq(ptr %a1143, ptr %a1144)
+  %t1146 = icmp ne i32 %t1145, 0
+  br i1 %t1146, label %then7893, label %endif7895
+then7893:
+  %t1147 = load ptr, ptr %a1
+  %t1148 = load %S.ast.Node, ptr %a2
+  %t1149 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1147, %S.ast.Node %t1148, i64 0, i64 1, { ptr, i64, i64 } %t1149)
+  %t1150 = load ptr, ptr %a1
+  %t1151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1152 = load { ptr, i64, i64 }, ptr %t1151
+  %t1153 = extractvalue { ptr, i64, i64 } %t1152, 1
+  %t1154 = icmp uge i64 0, %t1153
+  br i1 %t1154, label %range7896, label %inrange7897
+range7896:
+  call void @finch_panic_index(ptr @.str.5159, i64 4760, i64 0, i64 %t1153)
   unreachable
-inrange7523:
-  %t1118 = extractvalue { ptr, i64, i64 } %t1115, 0
-  %t1119 = getelementptr inbounds %S.ast.Node, ptr %t1118, i64 0
-  %t1120 = load %S.ast.Node, ptr %t1119
-  %t1121 = call %S.gen.Val @finch.gen.strArg(ptr %t1113, %S.ast.Node %t1120, { ptr, i64, i64 } { ptr @.str.5002, i64 12, i64 0 })
-  store %S.gen.Val %t1121, ptr %a1105
-  br label %endif7521
-endif7521:
-  %t1122 = load ptr, ptr %a1
-  %t1123 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1122)
-  store { ptr, i64, i64 } %t1123, ptr %a1124
-  %t1125 = load ptr, ptr %a1
-  %t1126 = load { ptr, i64, i64 }, ptr %a1124
-  store { ptr, i64, i64 } { ptr @.str.5003, i64 27, i64 0 }, ptr %a1128
-  store { ptr, i64, i64 } %t1126, ptr %a1129
-  call void @finch_str_concat(ptr %a1127, ptr %a1128, ptr %a1129)
-  %t1130 = load { ptr, i64, i64 }, ptr %a1127
-  store { ptr, i64, i64 } %t1130, ptr %a1132
-  store { ptr, i64, i64 } { ptr @.str.5004, i64 6, i64 0 }, ptr %a1133
-  call void @finch_str_concat(ptr %a1131, ptr %a1132, ptr %a1133)
-  %t1134 = load { ptr, i64, i64 }, ptr %a1131
-  %t1135 = load ptr, ptr %a1
-  %t1136 = load %S.gen.Val, ptr %a1105
-  %t1137 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1135, %S.gen.Val %t1136)
-  store { ptr, i64, i64 } %t1134, ptr %a1139
-  store { ptr, i64, i64 } %t1137, ptr %a1140
-  call void @finch_str_concat(ptr %a1138, ptr %a1139, ptr %a1140)
-  %t1141 = load { ptr, i64, i64 }, ptr %a1138
-  store { ptr, i64, i64 } %t1141, ptr %a1143
-  store { ptr, i64, i64 } { ptr @.str.5005, i64 1, i64 0 }, ptr %a1144
-  call void @finch_str_concat(ptr %a1142, ptr %a1143, ptr %a1144)
-  %t1145 = load { ptr, i64, i64 }, ptr %a1142
-  call void @finch.gen.emit(ptr %t1125, { ptr, i64, i64 } %t1145)
-  %t1146 = load ptr, ptr %a1
-  %t1147 = load { ptr, i64, i64 }, ptr %a1124
-  %t1148 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1146, { ptr, i64, i64 } { ptr @.str.5006, i64 17, i64 0 }, { ptr, i64, i64 } %t1147)
-  %t1149 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1148, 0
-  %t1150 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5007, i64 3, i64 0 })
-  %t1151 = insertvalue %S.gen.Val %t1149, %S.ast.Type %t1150, 1
-  %t1152 = insertvalue %S.gen.Val %t1151, i1 true, 2
-  ret %S.gen.Val %t1152
-endif7518:
-  %t1153 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1153, ptr %a1154
-  store { ptr, i64, i64 } { ptr @.str.5008, i64 3, i64 0 }, ptr %a1155
-  %t1156 = call i32 @finch_str_eq(ptr %a1154, ptr %a1155)
-  %t1157 = icmp ne i32 %t1156, 0
-  br i1 %t1157, label %then7524, label %endif7526
-then7524:
-  %t1158 = load ptr, ptr %a1
-  %t1159 = load %S.ast.Node, ptr %a2
-  %t1160 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1158, %S.ast.Node %t1159, i64 0, i64 1, { ptr, i64, i64 } %t1160)
-  %t1161 = load ptr, ptr %a1
-  %t1162 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1163 = load { ptr, i64, i64 }, ptr %t1162
-  %t1164 = extractvalue { ptr, i64, i64 } %t1163, 1
-  %t1165 = icmp uge i64 0, %t1164
-  br i1 %t1165, label %range7527, label %inrange7528
-range7527:
-  call void @finch_panic_index(ptr @.str.5009, i64 4459, i64 0, i64 %t1164)
+inrange7897:
+  %t1155 = extractvalue { ptr, i64, i64 } %t1152, 0
+  %t1156 = getelementptr inbounds %S.ast.Node, ptr %t1155, i64 0
+  %t1157 = load %S.ast.Node, ptr %t1156
+  %t1158 = call %S.gen.Val @finch.gen.strArg(ptr %t1150, %S.ast.Node %t1157, { ptr, i64, i64 } { ptr @.str.5160, i64 11, i64 0 })
+  store %S.gen.Val %t1158, ptr %a1159
+  %t1160 = load ptr, ptr %a1
+  %t1161 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1160)
+  store { ptr, i64, i64 } %t1161, ptr %a1162
+  %t1163 = load ptr, ptr %a1
+  %t1164 = load { ptr, i64, i64 }, ptr %a1162
+  store { ptr, i64, i64 } { ptr @.str.5161, i64 30, i64 0 }, ptr %a1166
+  store { ptr, i64, i64 } %t1164, ptr %a1167
+  call void @finch_str_concat(ptr %a1165, ptr %a1166, ptr %a1167)
+  %t1168 = load { ptr, i64, i64 }, ptr %a1165
+  store { ptr, i64, i64 } %t1168, ptr %a1170
+  store { ptr, i64, i64 } { ptr @.str.5162, i64 6, i64 0 }, ptr %a1171
+  call void @finch_str_concat(ptr %a1169, ptr %a1170, ptr %a1171)
+  store { ptr, i64, i64 } %t1168, ptr %a1172
+  call void @finch_str_drop(ptr %a1172)
+  %t1173 = load { ptr, i64, i64 }, ptr %a1169
+  %t1174 = load ptr, ptr %a1
+  %t1175 = load %S.gen.Val, ptr %a1159
+  %t1176 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1174, %S.gen.Val %t1175)
+  store { ptr, i64, i64 } %t1173, ptr %a1178
+  store { ptr, i64, i64 } %t1176, ptr %a1179
+  call void @finch_str_concat(ptr %a1177, ptr %a1178, ptr %a1179)
+  store { ptr, i64, i64 } %t1173, ptr %a1180
+  call void @finch_str_drop(ptr %a1180)
+  store { ptr, i64, i64 } %t1176, ptr %a1181
+  call void @finch_str_drop(ptr %a1181)
+  %t1182 = load { ptr, i64, i64 }, ptr %a1177
+  store { ptr, i64, i64 } %t1182, ptr %a1184
+  store { ptr, i64, i64 } { ptr @.str.5163, i64 1, i64 0 }, ptr %a1185
+  call void @finch_str_concat(ptr %a1183, ptr %a1184, ptr %a1185)
+  store { ptr, i64, i64 } %t1182, ptr %a1186
+  call void @finch_str_drop(ptr %a1186)
+  %t1187 = load { ptr, i64, i64 }, ptr %a1183
+  call void @finch.gen.emit(ptr %t1163, { ptr, i64, i64 } %t1187)
+  store { ptr, i64, i64 } %t1187, ptr %a1188
+  call void @finch_str_drop(ptr %a1188)
+  %t1189 = load ptr, ptr %a1
+  %t1190 = load { ptr, i64, i64 }, ptr %a1162
+  store { ptr, i64, i64 } { ptr @.str.5164, i64 26, i64 0 }, ptr %a1192
+  store { ptr, i64, i64 } %t1190, ptr %a1193
+  call void @finch_str_concat(ptr %a1191, ptr %a1192, ptr %a1193)
+  %t1194 = load { ptr, i64, i64 }, ptr %a1191
+  store { ptr, i64, i64 } %t1194, ptr %a1196
+  store { ptr, i64, i64 } { ptr @.str.5165, i64 1, i64 0 }, ptr %a1197
+  call void @finch_str_concat(ptr %a1195, ptr %a1196, ptr %a1197)
+  store { ptr, i64, i64 } %t1194, ptr %a1198
+  call void @finch_str_drop(ptr %a1198)
+  %t1199 = load { ptr, i64, i64 }, ptr %a1195
+  %t1200 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1189, { ptr, i64, i64 } %t1199)
+  store { ptr, i64, i64 } %t1199, ptr %a1201
+  call void @finch_str_drop(ptr %a1201)
+  store { ptr, i64, i64 } %t1200, ptr %a1202
+  %t1203 = load ptr, ptr %a1
+  %t1204 = load { ptr, i64, i64 }, ptr %a1162
+  %t1205 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5166, i64 3, i64 0 })
+  call void @finch.gen.dropAt(ptr %t1203, { ptr, i64, i64 } %t1204, %S.ast.Type %t1205)
+  store %S.ast.Type %t1205, ptr %a1206
+  call void @finch.drop.S_ast_Type(ptr %a1206)
+  %t1207 = load ptr, ptr %a1
+  %t1208 = load %S.gen.Val, ptr %a1159
+  call void @finch.gen.release(ptr %t1207, %S.gen.Val %t1208)
+  %t1209 = load { ptr, i64, i64 }, ptr %a1202
+  store { ptr, i64, i64 } %t1209, ptr %a1210
+  call void @finch_str_copy(ptr %a1211, ptr %a1210)
+  %t1212 = load { ptr, i64, i64 }, ptr %a1211
+  %t1213 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1212, 0
+  %t1214 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5167, i64 3, i64 0 })
+  %t1215 = insertvalue %S.gen.Val %t1213, %S.ast.Type %t1214, 1
+  call void @finch_str_drop(ptr %a1202)
+  call void @finch_str_drop(ptr %a1162)
+  call void @finch.drop.S_gen_Val(ptr %a1159)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1215
+endif7895:
+  %t1216 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1216, ptr %a1217
+  store { ptr, i64, i64 } { ptr @.str.5168, i64 4, i64 0 }, ptr %a1218
+  %t1219 = call i32 @finch_str_eq(ptr %a1217, ptr %a1218)
+  %t1220 = icmp ne i32 %t1219, 0
+  br i1 %t1220, label %then7898, label %endif7900
+then7898:
+  %t1221 = load ptr, ptr %a1
+  %t1222 = load %S.ast.Node, ptr %a2
+  %t1223 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1221, %S.ast.Node %t1222, i64 0, i64 1, { ptr, i64, i64 } %t1223)
+  %t1224 = load ptr, ptr %a1
+  %t1225 = load ptr, ptr %a1
+  %t1226 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1227 = load { ptr, i64, i64 }, ptr %t1226
+  %t1228 = extractvalue { ptr, i64, i64 } %t1227, 1
+  %t1229 = icmp uge i64 0, %t1228
+  br i1 %t1229, label %range7901, label %inrange7902
+range7901:
+  call void @finch_panic_index(ptr @.str.5169, i64 4770, i64 0, i64 %t1228)
   unreachable
-inrange7528:
-  %t1166 = extractvalue { ptr, i64, i64 } %t1163, 0
-  %t1167 = getelementptr inbounds %S.ast.Node, ptr %t1166, i64 0
-  %t1168 = load %S.ast.Node, ptr %t1167
-  %t1169 = call %S.gen.Val @finch.gen.expr(ptr %t1161, %S.ast.Node %t1168)
-  store %S.gen.Val %t1169, ptr %a1170
-  %t1171 = load ptr, ptr %a1
-  %t1172 = load ptr, ptr %a1
-  %t1173 = getelementptr inbounds %S.gen.Val, ptr %a1170, i32 0, i32 1
-  %t1174 = load %S.ast.Type, ptr %t1173
-  %t1175 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1172, %S.ast.Type %t1174)
-  store { ptr, i64, i64 } { ptr @.str.5010, i64 26, i64 0 }, ptr %a1177
-  store { ptr, i64, i64 } %t1175, ptr %a1178
-  call void @finch_str_concat(ptr %a1176, ptr %a1177, ptr %a1178)
-  %t1179 = load { ptr, i64, i64 }, ptr %a1176
-  store { ptr, i64, i64 } %t1179, ptr %a1181
-  store { ptr, i64, i64 } { ptr @.str.5011, i64 1, i64 0 }, ptr %a1182
-  call void @finch_str_concat(ptr %a1180, ptr %a1181, ptr %a1182)
-  %t1183 = load { ptr, i64, i64 }, ptr %a1180
-  %t1184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1171, { ptr, i64, i64 } %t1183)
-  store { ptr, i64, i64 } %t1184, ptr %a1185
-  %t1186 = load ptr, ptr %a1
-  %t1187 = load ptr, ptr %a1
-  %t1188 = getelementptr inbounds %S.gen.Val, ptr %a1170, i32 0, i32 1
-  %t1189 = load %S.ast.Type, ptr %t1188
-  %t1190 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1187, %S.ast.Type %t1189)
-  %t1191 = load ptr, ptr %a1
-  %t1192 = load %S.gen.Val, ptr %a1170
-  %t1193 = call { ptr, i64, i64 } @finch.gen.own(ptr %t1191, %S.gen.Val %t1192)
-  %t1194 = load { ptr, i64, i64 }, ptr %a1185
-  call void @finch.gen.store(ptr %t1186, { ptr, i64, i64 } %t1190, { ptr, i64, i64 } %t1193, { ptr, i64, i64 } %t1194)
-  %t1195 = load { ptr, i64, i64 }, ptr %a1185
-  store { ptr, i64, i64 } %t1195, ptr %a1196
-  call void @finch_str_copy(ptr %a1197, ptr %a1196)
-  %t1198 = load { ptr, i64, i64 }, ptr %a1197
-  %t1199 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1198, 0
-  %t1200 = getelementptr inbounds %S.gen.Val, ptr %a1170, i32 0, i32 1
-  %t1201 = load %S.ast.Type, ptr %t1200
-  %t1202 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t1201)
-  %t1203 = insertvalue %S.gen.Val %t1199, %S.ast.Type %t1202, 1
-  ret %S.gen.Val %t1203
-endif7526:
-  %t1204 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1204, ptr %a1205
-  store { ptr, i64, i64 } { ptr @.str.5012, i64 4, i64 0 }, ptr %a1206
-  %t1207 = call i32 @finch_str_eq(ptr %a1205, ptr %a1206)
-  %t1208 = icmp ne i32 %t1207, 0
-  br i1 %t1208, label %then7529, label %endif7531
-then7529:
-  %t1209 = load ptr, ptr %a1
-  %t1210 = load %S.ast.Node, ptr %a2
-  %t1211 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1209, %S.ast.Node %t1210, i64 0, i64 1, { ptr, i64, i64 } %t1211)
-  %t1212 = load ptr, ptr %a1
-  %t1213 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1214 = load { ptr, i64, i64 }, ptr %t1213
-  %t1215 = extractvalue { ptr, i64, i64 } %t1214, 1
-  %t1216 = icmp uge i64 0, %t1215
-  br i1 %t1216, label %range7532, label %inrange7533
-range7532:
-  call void @finch_panic_index(ptr @.str.5013, i64 4466, i64 0, i64 %t1215)
+inrange7902:
+  %t1230 = extractvalue { ptr, i64, i64 } %t1227, 0
+  %t1231 = getelementptr inbounds %S.ast.Node, ptr %t1230, i64 0
+  %t1232 = load %S.ast.Node, ptr %t1231
+  %t1233 = call %S.gen.Val @finch.gen.expr(ptr %t1225, %S.ast.Node %t1232)
+  %t1234 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5170, i64 3, i64 0 })
+  %t1235 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1236 = load { ptr, i64, i64 }, ptr %t1235
+  %t1237 = extractvalue { ptr, i64, i64 } %t1236, 1
+  %t1238 = icmp uge i64 0, %t1237
+  br i1 %t1238, label %range7903, label %inrange7904
+range7903:
+  call void @finch_panic_index(ptr @.str.5171, i64 4770, i64 0, i64 %t1237)
   unreachable
-inrange7533:
-  %t1217 = extractvalue { ptr, i64, i64 } %t1214, 0
-  %t1218 = getelementptr inbounds %S.ast.Node, ptr %t1217, i64 0
-  %t1219 = load %S.ast.Node, ptr %t1218
-  %t1220 = call %S.gen.Val @finch.gen.expr(ptr %t1212, %S.ast.Node %t1219)
-  store %S.gen.Val %t1220, ptr %a1221
-  %t1222 = getelementptr inbounds %S.gen.Val, ptr %a1221, i32 0, i32 1
-  %t1223 = getelementptr inbounds %S.ast.Type, ptr %t1222, i32 0, i32 0
-  %t1224 = load { ptr, i64, i64 }, ptr %t1223
-  store { ptr, i64, i64 } %t1224, ptr %a1225
-  store { ptr, i64, i64 } { ptr @.str.5014, i64 3, i64 0 }, ptr %a1226
-  %t1227 = call i32 @finch_str_eq(ptr %a1225, ptr %a1226)
-  %t1228 = icmp eq i32 %t1227, 0
-  br i1 %t1228, label %then7534, label %endif7536
-then7534:
-  %t1229 = load ptr, ptr %a1
-  %t1230 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1231 = load { ptr, i64, i64 }, ptr %t1230
-  %t1232 = extractvalue { ptr, i64, i64 } %t1231, 1
-  %t1233 = icmp uge i64 0, %t1232
-  br i1 %t1233, label %range7537, label %inrange7538
-range7537:
-  call void @finch_panic_index(ptr @.str.5015, i64 4468, i64 0, i64 %t1232)
+inrange7904:
+  %t1239 = extractvalue { ptr, i64, i64 } %t1236, 0
+  %t1240 = getelementptr inbounds %S.ast.Node, ptr %t1239, i64 0
+  %t1241 = load %S.ast.Node, ptr %t1240
+  %t1242 = call %S.gen.Val @finch.gen.coerce(ptr %t1224, %S.gen.Val %t1233, %S.ast.Type %t1234, %S.ast.Node %t1241, { ptr, i64, i64 } { ptr @.str.5172, i64 13, i64 0 })
+  store %S.gen.Val %t1233, ptr %a1243
+  call void @finch.drop.S_gen_Val(ptr %a1243)
+  store %S.ast.Type %t1234, ptr %a1244
+  call void @finch.drop.S_ast_Type(ptr %a1244)
+  store %S.gen.Val %t1242, ptr %a1245
+  %t1246 = load ptr, ptr %a1
+  %t1247 = getelementptr inbounds %S.gen.Val, ptr %a1245, i32 0, i32 0
+  %t1248 = load { ptr, i64, i64 }, ptr %t1247
+  store { ptr, i64, i64 } { ptr @.str.5173, i64 10, i64 0 }, ptr %a1250
+  store { ptr, i64, i64 } %t1248, ptr %a1251
+  call void @finch_str_concat(ptr %a1249, ptr %a1250, ptr %a1251)
+  %t1252 = load { ptr, i64, i64 }, ptr %a1249
+  store { ptr, i64, i64 } %t1252, ptr %a1254
+  store { ptr, i64, i64 } { ptr @.str.5174, i64 7, i64 0 }, ptr %a1255
+  call void @finch_str_concat(ptr %a1253, ptr %a1254, ptr %a1255)
+  store { ptr, i64, i64 } %t1252, ptr %a1256
+  call void @finch_str_drop(ptr %a1256)
+  %t1257 = load { ptr, i64, i64 }, ptr %a1253
+  %t1258 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1246, { ptr, i64, i64 } %t1257)
+  store { ptr, i64, i64 } %t1257, ptr %a1259
+  call void @finch_str_drop(ptr %a1259)
+  store { ptr, i64, i64 } %t1258, ptr %a1260
+  %t1261 = load ptr, ptr %a1
+  %t1262 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1261, { ptr, i64, i64 } { ptr @.str.5175, i64 26, i64 0 })
+  store { ptr, i64, i64 } %t1262, ptr %a1263
+  %t1264 = load ptr, ptr %a1
+  %t1265 = load { ptr, i64, i64 }, ptr %a1260
+  store { ptr, i64, i64 } { ptr @.str.5176, i64 20, i64 0 }, ptr %a1267
+  store { ptr, i64, i64 } %t1265, ptr %a1268
+  call void @finch_str_concat(ptr %a1266, ptr %a1267, ptr %a1268)
+  %t1269 = load { ptr, i64, i64 }, ptr %a1266
+  store { ptr, i64, i64 } %t1269, ptr %a1271
+  store { ptr, i64, i64 } { ptr @.str.5177, i64 1, i64 0 }, ptr %a1272
+  call void @finch_str_concat(ptr %a1270, ptr %a1271, ptr %a1272)
+  store { ptr, i64, i64 } %t1269, ptr %a1273
+  call void @finch_str_drop(ptr %a1273)
+  %t1274 = load { ptr, i64, i64 }, ptr %a1270
+  call void @finch.gen.emit(ptr %t1264, { ptr, i64, i64 } %t1274)
+  store { ptr, i64, i64 } %t1274, ptr %a1275
+  call void @finch_str_drop(ptr %a1275)
+  %t1276 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5178, i64 4, i64 0 })
+  %t1277 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1276, 1
+  call void @finch_str_drop(ptr %a1263)
+  call void @finch_str_drop(ptr %a1260)
+  call void @finch.drop.S_gen_Val(ptr %a1245)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1277
+endif7900:
+  %t1278 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1278, ptr %a1279
+  store { ptr, i64, i64 } { ptr @.str.5179, i64 5, i64 0 }, ptr %a1280
+  %t1281 = call i32 @finch_str_eq(ptr %a1279, ptr %a1280)
+  %t1282 = icmp ne i32 %t1281, 0
+  br i1 %t1282, label %then7905, label %endif7907
+then7905:
+  %t1283 = load ptr, ptr %a1
+  %t1284 = call %S.gen.Val @finch.gen.strConst(ptr %t1283, { ptr, i64, i64 } { ptr @.str.5180, i64 0, i64 0 })
+  store %S.gen.Val %t1284, ptr %a1285
+  %t1286 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1286, i32 0, i32 1
+  %t1288 = load i64, ptr %t1287
+  %t1289 = icmp sgt i64 %t1288, 0
+  br i1 %t1289, label %then7908, label %endif7910
+then7908:
+  %t1290 = load ptr, ptr %a1
+  %t1291 = load %S.ast.Node, ptr %a2
+  %t1292 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1290, %S.ast.Node %t1291, i64 0, i64 1, { ptr, i64, i64 } %t1292)
+  %t1293 = load ptr, ptr %a1
+  %t1294 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1295 = load { ptr, i64, i64 }, ptr %t1294
+  %t1296 = extractvalue { ptr, i64, i64 } %t1295, 1
+  %t1297 = icmp uge i64 0, %t1296
+  br i1 %t1297, label %range7911, label %inrange7912
+range7911:
+  call void @finch_panic_index(ptr @.str.5181, i64 4780, i64 0, i64 %t1296)
   unreachable
-inrange7538:
-  %t1234 = extractvalue { ptr, i64, i64 } %t1231, 0
-  %t1235 = getelementptr inbounds %S.ast.Node, ptr %t1234, i64 0
-  %t1236 = load %S.ast.Node, ptr %t1235
-  call void @finch.gen.fail(ptr %t1229, %S.ast.Node %t1236, { ptr, i64, i64 } { ptr @.str.5016, i64 119, i64 0 })
-  br label %endif7536
-endif7536:
-  %t1237 = load ptr, ptr %a1
-  %t1238 = getelementptr inbounds %S.gen.Val, ptr %a1221, i32 0, i32 0
-  %t1239 = load { ptr, i64, i64 }, ptr %t1238
-  store { ptr, i64, i64 } { ptr @.str.5017, i64 20, i64 0 }, ptr %a1241
-  store { ptr, i64, i64 } %t1239, ptr %a1242
-  call void @finch_str_concat(ptr %a1240, ptr %a1241, ptr %a1242)
-  %t1243 = load { ptr, i64, i64 }, ptr %a1240
-  store { ptr, i64, i64 } %t1243, ptr %a1245
-  store { ptr, i64, i64 } { ptr @.str.5018, i64 1, i64 0 }, ptr %a1246
-  call void @finch_str_concat(ptr %a1244, ptr %a1245, ptr %a1246)
-  %t1247 = load { ptr, i64, i64 }, ptr %a1244
-  call void @finch.gen.emit(ptr %t1237, { ptr, i64, i64 } %t1247)
-  %t1248 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5019, i64 4, i64 0 })
-  %t1249 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1248, 1
-  ret %S.gen.Val %t1249
-endif7531:
-  %t1250 = load ptr, ptr %a1
-  %t1251 = load ptr, ptr %a1
-  %t1252 = icmp eq ptr %t1251, null
-  br i1 %t1252, label %panic7539, label %ok7540
-panic7539:
-  call void @finch_panic(ptr @.str.5020, i64 4473, ptr @.str.5021)
-  unreachable
-ok7540:
-  %t1253 = getelementptr inbounds %S.gen.Gen, ptr %t1251, i32 0, i32 13
-  %t1254 = load { ptr, i64, i64 }, ptr %t1253
-  %t1255 = load { ptr, i64, i64 }, ptr %a8
-  %t1256 = call i64 @finch.gen.findFn(ptr %t1250, { ptr, i64, i64 } %t1254, { ptr, i64, i64 } %t1255)
-  store i64 %t1256, ptr %a1257
-  %t1258 = load i64, ptr %a1257
-  %t1259 = icmp sge i64 %t1258, 0
-  br i1 %t1259, label %then7541, label %endif7543
-then7541:
-  %t1260 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t1261 = getelementptr inbounds %S.ast.Type, ptr %t1260, i32 0, i32 1
-  %t1262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1261, i32 0, i32 1
-  %t1263 = load i64, ptr %t1262
-  %t1264 = icmp sgt i64 %t1263, 0
-  br i1 %t1264, label %then7544, label %endif7546
-then7544:
-  %t1265 = load ptr, ptr %a1
-  %t1266 = load %S.ast.Node, ptr %a2
-  %t1267 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5022, i64 1, i64 0 }, ptr %a1269
-  store { ptr, i64, i64 } %t1267, ptr %a1270
-  call void @finch_str_concat(ptr %a1268, ptr %a1269, ptr %a1270)
-  %t1271 = load { ptr, i64, i64 }, ptr %a1268
-  store { ptr, i64, i64 } %t1271, ptr %a1273
-  store { ptr, i64, i64 } { ptr @.str.5023, i64 47, i64 0 }, ptr %a1274
-  call void @finch_str_concat(ptr %a1272, ptr %a1273, ptr %a1274)
-  %t1275 = load { ptr, i64, i64 }, ptr %a1272
-  call void @finch.gen.fail(ptr %t1265, %S.ast.Node %t1266, { ptr, i64, i64 } %t1275)
-  br label %endif7546
-endif7546:
-  %t1276 = load ptr, ptr %a1
-  %t1277 = load i64, ptr %a1257
-  %t1278 = load %S.ast.Node, ptr %a2
-  %t1279 = load { ptr, i64, i64 }, ptr %a8
-  %t1280 = call %S.gen.Val @finch.gen.callFn(ptr %t1276, i64 %t1277, %S.ast.Node %t1278, i64 0, { ptr, i64, i64 } %t1279, { ptr, i64, i64 } { ptr @.str.5024, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5025, i64 0, i64 0 })
-  ret %S.gen.Val %t1280
-endif7543:
-  %t1281 = load ptr, ptr %a1
-  %t1282 = load ptr, ptr %a1
-  %t1283 = icmp eq ptr %t1282, null
-  br i1 %t1283, label %panic7547, label %ok7548
-panic7547:
-  call void @finch_panic(ptr @.str.5026, i64 4480, ptr @.str.5027)
-  unreachable
-ok7548:
-  %t1284 = getelementptr inbounds %S.gen.Gen, ptr %t1282, i32 0, i32 13
-  %t1285 = load { ptr, i64, i64 }, ptr %t1284
-  %t1286 = load { ptr, i64, i64 }, ptr %a8
-  %t1287 = call i64 @finch.gen.findTemplate(ptr %t1281, { ptr, i64, i64 } %t1285, { ptr, i64, i64 } %t1286, { ptr, i64, i64 } { ptr @.str.5028, i64 0, i64 0 }, i1 false)
-  store i64 %t1287, ptr %a1288
-  %t1289 = load i64, ptr %a1288
-  %t1290 = icmp sge i64 %t1289, 0
-  br i1 %t1290, label %then7549, label %endif7551
-then7549:
-  %t1291 = load ptr, ptr %a1
-  %t1292 = load %S.ast.Node, ptr %a2
-  %t1293 = load i64, ptr %a1288
-  %t1294 = load { ptr, i64, i64 }, ptr %a8
-  %t1295 = call %S.gen.Val @finch.gen.genericCall(ptr %t1291, %S.ast.Node %t1292, i64 %t1293, i64 0, { ptr, i64, i64 } %t1294)
-  ret %S.gen.Val %t1295
-endif7551:
-  %t1296 = load ptr, ptr %a1
-  %t1297 = load ptr, ptr %a1
-  %t1298 = icmp eq ptr %t1297, null
-  br i1 %t1298, label %panic7552, label %ok7553
-panic7552:
-  call void @finch_panic(ptr @.str.5029, i64 4484, ptr @.str.5030)
-  unreachable
-ok7553:
-  %t1299 = getelementptr inbounds %S.gen.Gen, ptr %t1297, i32 0, i32 13
-  %t1300 = load { ptr, i64, i64 }, ptr %t1299
-  %t1301 = load { ptr, i64, i64 }, ptr %a8
-  %t1302 = call i64 @finch.gen.findTemplate(ptr %t1296, { ptr, i64, i64 } %t1300, { ptr, i64, i64 } %t1301, { ptr, i64, i64 } { ptr @.str.5031, i64 0, i64 0 }, i1 true)
-  %t1303 = icmp sge i64 %t1302, 0
-  br i1 %t1303, label %then7554, label %endif7556
-then7554:
-  %t1304 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t1305 = getelementptr inbounds %S.ast.Type, ptr %t1304, i32 0, i32 1
-  %t1306 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1305, i32 0, i32 1
-  %t1307 = load i64, ptr %t1306
-  %t1308 = icmp eq i64 %t1307, 0
-  br i1 %t1308, label %then7557, label %endif7559
-then7557:
-  %t1309 = load ptr, ptr %a1
-  %t1310 = load %S.ast.Node, ptr %a2
-  %t1311 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5032, i64 1, i64 0 }, ptr %a1313
-  store { ptr, i64, i64 } %t1311, ptr %a1314
-  call void @finch_str_concat(ptr %a1312, ptr %a1313, ptr %a1314)
-  %t1315 = load { ptr, i64, i64 }, ptr %a1312
-  store { ptr, i64, i64 } %t1315, ptr %a1317
-  store { ptr, i64, i64 } { ptr @.str.5033, i64 42, i64 0 }, ptr %a1318
-  call void @finch_str_concat(ptr %a1316, ptr %a1317, ptr %a1318)
-  %t1319 = load { ptr, i64, i64 }, ptr %a1316
-  %t1320 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1319, ptr %a1322
+inrange7912:
+  %t1298 = extractvalue { ptr, i64, i64 } %t1295, 0
+  %t1299 = getelementptr inbounds %S.ast.Node, ptr %t1298, i64 0
+  %t1300 = load %S.ast.Node, ptr %t1299
+  %t1301 = call %S.gen.Val @finch.gen.strArg(ptr %t1293, %S.ast.Node %t1300, { ptr, i64, i64 } { ptr @.str.5182, i64 12, i64 0 })
+  %t1302 = load %S.gen.Val, ptr %a1285
+  store %S.gen.Val %t1301, ptr %a1285
+  store %S.gen.Val %t1302, ptr %a1303
+  call void @finch.drop.S_gen_Val(ptr %a1303)
+  br label %endif7910
+endif7910:
+  %t1304 = load ptr, ptr %a1
+  %t1305 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1304)
+  store { ptr, i64, i64 } %t1305, ptr %a1306
+  %t1307 = load ptr, ptr %a1
+  %t1308 = load { ptr, i64, i64 }, ptr %a1306
+  store { ptr, i64, i64 } { ptr @.str.5183, i64 27, i64 0 }, ptr %a1310
+  store { ptr, i64, i64 } %t1308, ptr %a1311
+  call void @finch_str_concat(ptr %a1309, ptr %a1310, ptr %a1311)
+  %t1312 = load { ptr, i64, i64 }, ptr %a1309
+  store { ptr, i64, i64 } %t1312, ptr %a1314
+  store { ptr, i64, i64 } { ptr @.str.5184, i64 6, i64 0 }, ptr %a1315
+  call void @finch_str_concat(ptr %a1313, ptr %a1314, ptr %a1315)
+  store { ptr, i64, i64 } %t1312, ptr %a1316
+  call void @finch_str_drop(ptr %a1316)
+  %t1317 = load { ptr, i64, i64 }, ptr %a1313
+  %t1318 = load ptr, ptr %a1
+  %t1319 = load %S.gen.Val, ptr %a1285
+  %t1320 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1318, %S.gen.Val %t1319)
+  store { ptr, i64, i64 } %t1317, ptr %a1322
   store { ptr, i64, i64 } %t1320, ptr %a1323
   call void @finch_str_concat(ptr %a1321, ptr %a1322, ptr %a1323)
-  %t1324 = load { ptr, i64, i64 }, ptr %a1321
-  store { ptr, i64, i64 } %t1324, ptr %a1326
-  store { ptr, i64, i64 } { ptr @.str.5034, i64 10, i64 0 }, ptr %a1327
-  call void @finch_str_concat(ptr %a1325, ptr %a1326, ptr %a1327)
-  %t1328 = load { ptr, i64, i64 }, ptr %a1325
-  call void @finch.gen.fail(ptr %t1309, %S.ast.Node %t1310, { ptr, i64, i64 } %t1328)
-  br label %endif7559
-endif7559:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a1329
-  %t1330 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t1331 = getelementptr inbounds %S.ast.Type, ptr %t1330, i32 0, i32 1
-  store i64 0, ptr %a1332
-  br label %each.cond7560
-each.cond7560:
-  %t1333 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1331, i32 0, i32 1
-  %t1334 = load i64, ptr %t1333
-  %t1335 = load i64, ptr %a1332
-  %t1336 = icmp slt i64 %t1335, %t1334
-  br i1 %t1336, label %each.body7561, label %each.end7563
-each.body7561:
-  %t1337 = load ptr, ptr %t1331
-  %t1338 = getelementptr inbounds %S.ast.Type, ptr %t1337, i64 %t1335
-  %t1339 = load %S.ast.Type, ptr %t1338
-  store %S.ast.Type %t1339, ptr %a1340
-  %t1341 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1329, i32 0, i32 1
-  %t1342 = load ptr, ptr %a1
-  %t1343 = load %S.ast.Type, ptr %a1340
-  %t1344 = load %S.ast.Node, ptr %a2
-  %t1345 = call %S.ast.Type @finch.gen.resolve(ptr %t1342, %S.ast.Type %t1343, %S.ast.Node %t1344)
-  %t1346 = load i64, ptr %t1341
-  %t1347 = add i64 %t1346, 1
-  call void @finch_arr_reserve(ptr %a1329, i64 %t1347, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t1348 = load ptr, ptr %a1329
-  %t1349 = getelementptr inbounds %S.ast.Type, ptr %t1348, i64 %t1346
-  store %S.ast.Type %t1345, ptr %t1349
-  store i64 %t1347, ptr %t1341
-  br label %each.step7562
-each.step7562:
-  %t1350 = load i64, ptr %a1332
-  %t1351 = add i64 %t1350, 1
-  store i64 %t1351, ptr %a1332
-  br label %each.cond7560
-each.end7563:
-  %t1352 = load ptr, ptr %a1
-  %t1353 = load ptr, ptr %a1
-  %t1354 = icmp eq ptr %t1353, null
-  br i1 %t1354, label %panic7564, label %ok7565
-panic7564:
-  call void @finch_panic(ptr @.str.5035, i64 4493, ptr @.str.5036)
+  store { ptr, i64, i64 } %t1317, ptr %a1324
+  call void @finch_str_drop(ptr %a1324)
+  store { ptr, i64, i64 } %t1320, ptr %a1325
+  call void @finch_str_drop(ptr %a1325)
+  %t1326 = load { ptr, i64, i64 }, ptr %a1321
+  store { ptr, i64, i64 } %t1326, ptr %a1328
+  store { ptr, i64, i64 } { ptr @.str.5185, i64 1, i64 0 }, ptr %a1329
+  call void @finch_str_concat(ptr %a1327, ptr %a1328, ptr %a1329)
+  store { ptr, i64, i64 } %t1326, ptr %a1330
+  call void @finch_str_drop(ptr %a1330)
+  %t1331 = load { ptr, i64, i64 }, ptr %a1327
+  call void @finch.gen.emit(ptr %t1307, { ptr, i64, i64 } %t1331)
+  store { ptr, i64, i64 } %t1331, ptr %a1332
+  call void @finch_str_drop(ptr %a1332)
+  %t1333 = load ptr, ptr %a1
+  %t1334 = load %S.gen.Val, ptr %a1285
+  call void @finch.gen.release(ptr %t1333, %S.gen.Val %t1334)
+  %t1335 = load ptr, ptr %a1
+  %t1336 = load { ptr, i64, i64 }, ptr %a1306
+  %t1337 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1335, { ptr, i64, i64 } { ptr @.str.5186, i64 17, i64 0 }, { ptr, i64, i64 } %t1336)
+  %t1338 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1337, 0
+  %t1339 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5187, i64 3, i64 0 })
+  %t1340 = insertvalue %S.gen.Val %t1338, %S.ast.Type %t1339, 1
+  %t1341 = insertvalue %S.gen.Val %t1340, i1 true, 2
+  call void @finch_str_drop(ptr %a1306)
+  call void @finch.drop.S_gen_Val(ptr %a1285)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1341
+endif7907:
+  %t1342 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1342, ptr %a1343
+  store { ptr, i64, i64 } { ptr @.str.5188, i64 3, i64 0 }, ptr %a1344
+  %t1345 = call i32 @finch_str_eq(ptr %a1343, ptr %a1344)
+  %t1346 = icmp ne i32 %t1345, 0
+  br i1 %t1346, label %then7913, label %endif7915
+then7913:
+  %t1347 = load ptr, ptr %a1
+  %t1348 = load %S.ast.Node, ptr %a2
+  %t1349 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1347, %S.ast.Node %t1348, i64 0, i64 1, { ptr, i64, i64 } %t1349)
+  %t1350 = load ptr, ptr %a1
+  %t1351 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1352 = load { ptr, i64, i64 }, ptr %t1351
+  %t1353 = extractvalue { ptr, i64, i64 } %t1352, 1
+  %t1354 = icmp uge i64 0, %t1353
+  br i1 %t1354, label %range7916, label %inrange7917
+range7916:
+  call void @finch_panic_index(ptr @.str.5189, i64 4789, i64 0, i64 %t1353)
   unreachable
-ok7565:
-  %t1355 = getelementptr inbounds %S.gen.Gen, ptr %t1353, i32 0, i32 13
-  %t1356 = load { ptr, i64, i64 }, ptr %t1355
-  %t1357 = load { ptr, i64, i64 }, ptr %a8
-  %t1358 = load { ptr, i64, i64 }, ptr %a1329
-  %t1359 = load %S.ast.Node, ptr %a2
-  %t1360 = call %S.ast.Type @finch.gen.instStruct(ptr %t1352, { ptr, i64, i64 } %t1356, { ptr, i64, i64 } %t1357, { ptr, i64, i64 } %t1358, %S.ast.Node %t1359)
-  store %S.ast.Type %t1360, ptr %a1361
-  %t1362 = load ptr, ptr %a1
-  %t1363 = load ptr, ptr %a1
-  %t1364 = getelementptr inbounds %S.ast.Type, ptr %a1361, i32 0, i32 3
-  %t1365 = load { ptr, i64, i64 }, ptr %t1364
-  %t1366 = getelementptr inbounds %S.ast.Type, ptr %a1361, i32 0, i32 2
-  %t1367 = load { ptr, i64, i64 }, ptr %t1366
-  %t1368 = call i64 @finch.gen.findStruct(ptr %t1363, { ptr, i64, i64 } %t1365, { ptr, i64, i64 } %t1367)
-  %t1369 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1370 = load { ptr, i64, i64 }, ptr %t1369
-  %t1371 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t1372 = load { ptr, i64, i64 }, ptr %t1371
-  %t1373 = load %S.ast.Node, ptr %a2
-  %t1374 = call %S.gen.Val @finch.gen.construct(ptr %t1362, i64 %t1368, { ptr, i64, i64 } %t1370, { ptr, i64, i64 } %t1372, %S.ast.Node %t1373)
-  ret %S.gen.Val %t1374
-endif7556:
-  %t1375 = load ptr, ptr %a1
-  %t1376 = load ptr, ptr %a1
-  %t1377 = icmp eq ptr %t1376, null
-  br i1 %t1377, label %panic7566, label %ok7567
-panic7566:
-  call void @finch_panic(ptr @.str.5037, i64 4496, ptr @.str.5038)
+inrange7917:
+  %t1355 = extractvalue { ptr, i64, i64 } %t1352, 0
+  %t1356 = getelementptr inbounds %S.ast.Node, ptr %t1355, i64 0
+  %t1357 = load %S.ast.Node, ptr %t1356
+  %t1358 = call %S.gen.Val @finch.gen.expr(ptr %t1350, %S.ast.Node %t1357)
+  store %S.gen.Val %t1358, ptr %a1359
+  %t1360 = load ptr, ptr %a1
+  %t1361 = load ptr, ptr %a1
+  %t1362 = getelementptr inbounds %S.gen.Val, ptr %a1359, i32 0, i32 1
+  %t1363 = load %S.ast.Type, ptr %t1362
+  %t1364 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1361, %S.ast.Type %t1363)
+  store { ptr, i64, i64 } { ptr @.str.5190, i64 26, i64 0 }, ptr %a1366
+  store { ptr, i64, i64 } %t1364, ptr %a1367
+  call void @finch_str_concat(ptr %a1365, ptr %a1366, ptr %a1367)
+  store { ptr, i64, i64 } %t1364, ptr %a1368
+  call void @finch_str_drop(ptr %a1368)
+  %t1369 = load { ptr, i64, i64 }, ptr %a1365
+  store { ptr, i64, i64 } %t1369, ptr %a1371
+  store { ptr, i64, i64 } { ptr @.str.5191, i64 1, i64 0 }, ptr %a1372
+  call void @finch_str_concat(ptr %a1370, ptr %a1371, ptr %a1372)
+  store { ptr, i64, i64 } %t1369, ptr %a1373
+  call void @finch_str_drop(ptr %a1373)
+  %t1374 = load { ptr, i64, i64 }, ptr %a1370
+  %t1375 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1360, { ptr, i64, i64 } %t1374)
+  store { ptr, i64, i64 } %t1374, ptr %a1376
+  call void @finch_str_drop(ptr %a1376)
+  store { ptr, i64, i64 } %t1375, ptr %a1377
+  %t1378 = load ptr, ptr %a1
+  %t1379 = load ptr, ptr %a1
+  %t1380 = getelementptr inbounds %S.gen.Val, ptr %a1359, i32 0, i32 1
+  %t1381 = load %S.ast.Type, ptr %t1380
+  %t1382 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1379, %S.ast.Type %t1381)
+  %t1383 = load ptr, ptr %a1
+  %t1384 = load %S.gen.Val, ptr %a1359
+  %t1385 = call { ptr, i64, i64 } @finch.gen.own(ptr %t1383, %S.gen.Val %t1384)
+  %t1386 = load { ptr, i64, i64 }, ptr %a1377
+  call void @finch.gen.store(ptr %t1378, { ptr, i64, i64 } %t1382, { ptr, i64, i64 } %t1385, { ptr, i64, i64 } %t1386)
+  store { ptr, i64, i64 } %t1382, ptr %a1387
+  call void @finch_str_drop(ptr %a1387)
+  store { ptr, i64, i64 } %t1385, ptr %a1388
+  call void @finch_str_drop(ptr %a1388)
+  %t1389 = load { ptr, i64, i64 }, ptr %a1377
+  store { ptr, i64, i64 } %t1389, ptr %a1390
+  call void @finch_str_copy(ptr %a1391, ptr %a1390)
+  %t1392 = load { ptr, i64, i64 }, ptr %a1391
+  %t1393 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1392, 0
+  %t1394 = getelementptr inbounds %S.gen.Val, ptr %a1359, i32 0, i32 1
+  %t1395 = load %S.ast.Type, ptr %t1394
+  %t1396 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t1395)
+  %t1397 = insertvalue %S.gen.Val %t1393, %S.ast.Type %t1396, 1
+  call void @finch_str_drop(ptr %a1377)
+  call void @finch.drop.S_gen_Val(ptr %a1359)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1397
+endif7915:
+  %t1398 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1398, ptr %a1399
+  store { ptr, i64, i64 } { ptr @.str.5192, i64 4, i64 0 }, ptr %a1400
+  %t1401 = call i32 @finch_str_eq(ptr %a1399, ptr %a1400)
+  %t1402 = icmp ne i32 %t1401, 0
+  br i1 %t1402, label %then7918, label %endif7920
+then7918:
+  %t1403 = load ptr, ptr %a1
+  %t1404 = load %S.ast.Node, ptr %a2
+  %t1405 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1403, %S.ast.Node %t1404, i64 0, i64 1, { ptr, i64, i64 } %t1405)
+  %t1406 = load ptr, ptr %a1
+  %t1407 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1408 = load { ptr, i64, i64 }, ptr %t1407
+  %t1409 = extractvalue { ptr, i64, i64 } %t1408, 1
+  %t1410 = icmp uge i64 0, %t1409
+  br i1 %t1410, label %range7921, label %inrange7922
+range7921:
+  call void @finch_panic_index(ptr @.str.5193, i64 4796, i64 0, i64 %t1409)
   unreachable
-ok7567:
-  %t1378 = getelementptr inbounds %S.gen.Gen, ptr %t1376, i32 0, i32 13
-  %t1379 = load { ptr, i64, i64 }, ptr %t1378
-  %t1380 = load { ptr, i64, i64 }, ptr %a8
-  %t1381 = call i64 @finch.gen.findStruct(ptr %t1375, { ptr, i64, i64 } %t1379, { ptr, i64, i64 } %t1380)
-  store i64 %t1381, ptr %a1382
-  %t1383 = load i64, ptr %a1382
-  %t1384 = icmp sge i64 %t1383, 0
-  br i1 %t1384, label %then7568, label %endif7570
-then7568:
-  %t1385 = load ptr, ptr %a1
-  %t1386 = icmp eq ptr %t1385, null
-  br i1 %t1386, label %panic7571, label %ok7572
-panic7571:
-  call void @finch_panic(ptr @.str.5039, i64 4498, ptr @.str.5040)
+inrange7922:
+  %t1411 = extractvalue { ptr, i64, i64 } %t1408, 0
+  %t1412 = getelementptr inbounds %S.ast.Node, ptr %t1411, i64 0
+  %t1413 = load %S.ast.Node, ptr %t1412
+  %t1414 = call %S.gen.Val @finch.gen.expr(ptr %t1406, %S.ast.Node %t1413)
+  store %S.gen.Val %t1414, ptr %a1415
+  %t1416 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1417 = getelementptr inbounds %S.ast.Type, ptr %t1416, i32 0, i32 0
+  %t1418 = load { ptr, i64, i64 }, ptr %t1417
+  store { ptr, i64, i64 } %t1418, ptr %a1419
+  store { ptr, i64, i64 } { ptr @.str.5194, i64 3, i64 0 }, ptr %a1420
+  %t1421 = call i32 @finch_str_eq(ptr %a1419, ptr %a1420)
+  %t1422 = icmp eq i32 %t1421, 0
+  br i1 %t1422, label %then7923, label %endif7925
+then7923:
+  %t1423 = load ptr, ptr %a1
+  %t1424 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1425 = load { ptr, i64, i64 }, ptr %t1424
+  %t1426 = extractvalue { ptr, i64, i64 } %t1425, 1
+  %t1427 = icmp uge i64 0, %t1426
+  br i1 %t1427, label %range7926, label %inrange7927
+range7926:
+  call void @finch_panic_index(ptr @.str.5195, i64 4798, i64 0, i64 %t1426)
   unreachable
-ok7572:
-  %t1387 = getelementptr inbounds %S.gen.Gen, ptr %t1385, i32 0, i32 15
-  %t1388 = load i64, ptr %a1382
-  %t1389 = load { ptr, i64, i64 }, ptr %t1387
-  %t1390 = extractvalue { ptr, i64, i64 } %t1389, 1
-  %t1391 = icmp uge i64 %t1388, %t1390
-  br i1 %t1391, label %range7573, label %inrange7574
-range7573:
-  call void @finch_panic_index(ptr @.str.5041, i64 4498, i64 %t1388, i64 %t1390)
+inrange7927:
+  %t1428 = extractvalue { ptr, i64, i64 } %t1425, 0
+  %t1429 = getelementptr inbounds %S.ast.Node, ptr %t1428, i64 0
+  %t1430 = load %S.ast.Node, ptr %t1429
+  call void @finch.gen.fail(ptr %t1423, %S.ast.Node %t1430, { ptr, i64, i64 } { ptr @.str.5196, i64 119, i64 0 })
+  br label %endif7925
+endif7925:
+  %t1431 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1432 = getelementptr inbounds %S.ast.Type, ptr %t1431, i32 0, i32 1
+  %t1433 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1432, i32 0, i32 1
+  %t1434 = load i64, ptr %t1433
+  %t1435 = icmp sgt i64 %t1434, 0
+  br label %logic.from7928
+logic.from7928:
+  br i1 %t1435, label %logic.rhs7929, label %logic.end7930
+logic.rhs7929:
+  %t1436 = load ptr, ptr %a1
+  %t1437 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1438 = getelementptr inbounds %S.ast.Type, ptr %t1437, i32 0, i32 1
+  %t1439 = load { ptr, i64, i64 }, ptr %t1438
+  %t1440 = extractvalue { ptr, i64, i64 } %t1439, 1
+  %t1441 = icmp uge i64 0, %t1440
+  br i1 %t1441, label %range7931, label %inrange7932
+range7931:
+  call void @finch_panic_index(ptr @.str.5197, i64 4800, i64 0, i64 %t1440)
   unreachable
-inrange7574:
-  %t1392 = extractvalue { ptr, i64, i64 } %t1389, 0
-  %t1393 = getelementptr inbounds %S.gen.StructDef, ptr %t1392, i64 %t1388
-  %t1394 = load %S.gen.StructDef, ptr %t1393
-  store %S.gen.StructDef %t1394, ptr %a1395
-  call void @finch.copy.S_gen_StructDef(ptr %a1396, ptr %a1395)
-  %t1397 = load %S.gen.StructDef, ptr %a1396
-  store %S.gen.StructDef %t1397, ptr %a1398
-  %t1399 = load ptr, ptr %a1
-  %t1400 = icmp eq ptr %t1399, null
-  br i1 %t1400, label %panic7575, label %ok7576
-panic7575:
-  call void @finch_panic(ptr @.str.5042, i64 4499, ptr @.str.5043)
+inrange7932:
+  %t1442 = extractvalue { ptr, i64, i64 } %t1439, 0
+  %t1443 = getelementptr inbounds %S.ast.Type, ptr %t1442, i64 0
+  %t1444 = load %S.ast.Type, ptr %t1443
+  %t1445 = call i1 @finch.gen.owning(ptr %t1436, %S.ast.Type %t1444)
+  br label %logic.rend7933
+logic.rend7933:
+  br label %logic.end7930
+logic.end7930:
+  %t1446 = phi i1 [ false, %logic.from7928 ], [ %t1445, %logic.rend7933 ]
+  br i1 %t1446, label %then7934, label %endif7936
+then7934:
+  %t1447 = load ptr, ptr %a1
+  %t1448 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t1447, { ptr, i64, i64 } { ptr @.str.5198, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t1448, ptr %a1449
+  %t1450 = load ptr, ptr %a1
+  %t1451 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t1450, { ptr, i64, i64 } { ptr @.str.5199, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t1451, ptr %a1452
+  %t1453 = load ptr, ptr %a1
+  %t1454 = load ptr, ptr %a1
+  %t1455 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 0
+  %t1456 = load { ptr, i64, i64 }, ptr %t1455
+  store { ptr, i64, i64 } { ptr @.str.5200, i64 12, i64 0 }, ptr %a1458
+  store { ptr, i64, i64 } %t1456, ptr %a1459
+  call void @finch_str_concat(ptr %a1457, ptr %a1458, ptr %a1459)
+  %t1460 = load { ptr, i64, i64 }, ptr %a1457
+  store { ptr, i64, i64 } %t1460, ptr %a1462
+  store { ptr, i64, i64 } { ptr @.str.5201, i64 6, i64 0 }, ptr %a1463
+  call void @finch_str_concat(ptr %a1461, ptr %a1462, ptr %a1463)
+  store { ptr, i64, i64 } %t1460, ptr %a1464
+  call void @finch_str_drop(ptr %a1464)
+  %t1465 = load { ptr, i64, i64 }, ptr %a1461
+  %t1466 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1454, { ptr, i64, i64 } %t1465)
+  store { ptr, i64, i64 } %t1465, ptr %a1467
+  call void @finch_str_drop(ptr %a1467)
+  %t1468 = load { ptr, i64, i64 }, ptr %a1452
+  %t1469 = load { ptr, i64, i64 }, ptr %a1449
+  call void @finch.gen.condBr(ptr %t1453, { ptr, i64, i64 } %t1466, { ptr, i64, i64 } %t1468, { ptr, i64, i64 } %t1469)
+  store { ptr, i64, i64 } %t1466, ptr %a1470
+  call void @finch_str_drop(ptr %a1470)
+  %t1471 = load ptr, ptr %a1
+  %t1472 = load { ptr, i64, i64 }, ptr %a1449
+  call void @finch.gen.label(ptr %t1471, { ptr, i64, i64 } %t1472)
+  %t1473 = load ptr, ptr %a1
+  %t1474 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 0
+  %t1475 = load { ptr, i64, i64 }, ptr %t1474
+  %t1476 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1477 = getelementptr inbounds %S.ast.Type, ptr %t1476, i32 0, i32 1
+  %t1478 = load { ptr, i64, i64 }, ptr %t1477
+  %t1479 = extractvalue { ptr, i64, i64 } %t1478, 1
+  %t1480 = icmp uge i64 0, %t1479
+  br i1 %t1480, label %range7937, label %inrange7938
+range7937:
+  call void @finch_panic_index(ptr @.str.5202, i64 4805, i64 0, i64 %t1479)
   unreachable
-ok7576:
-  %t1401 = getelementptr inbounds %S.gen.Gen, ptr %t1399, i32 0, i32 26
-  %t1402 = load i1, ptr %t1401
-  br label %logic.from7577
-logic.from7577:
-  br i1 %t1402, label %logic.rhs7578, label %logic.end7579
-logic.rhs7578:
-  %t1403 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 2
-  %t1404 = load i1, ptr %t1403
-  %t1405 = xor i1 %t1404, true
-  br label %logic.rend7580
-logic.rend7580:
-  br label %logic.end7579
-logic.end7579:
-  %t1406 = phi i1 [ false, %logic.from7577 ], [ %t1405, %logic.rend7580 ]
-  br i1 %t1406, label %then7581, label %endif7583
-then7581:
-  %t1407 = load ptr, ptr %a1
-  %t1408 = icmp eq ptr %t1407, null
-  br i1 %t1408, label %panic7584, label %ok7585
-panic7584:
-  call void @finch_panic(ptr @.str.5044, i64 4500, ptr @.str.5045)
-  unreachable
-ok7585:
-  %t1409 = getelementptr inbounds %S.gen.Gen, ptr %t1407, i32 0, i32 0
-  %t1410 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 13
-  %t1411 = load i64, ptr %t1410
-  %t1412 = load { ptr, i64, i64 }, ptr %t1409
-  %t1413 = extractvalue { ptr, i64, i64 } %t1412, 1
-  %t1414 = icmp uge i64 %t1411, %t1413
-  br i1 %t1414, label %range7586, label %inrange7587
-range7586:
-  call void @finch_panic_index(ptr @.str.5046, i64 4500, i64 %t1411, i64 %t1413)
-  unreachable
-inrange7587:
-  %t1415 = extractvalue { ptr, i64, i64 } %t1412, 0
-  %t1416 = getelementptr inbounds %S.ast.Program, ptr %t1415, i64 %t1411
-  %t1417 = getelementptr inbounds %S.ast.Program, ptr %t1416, i32 0, i32 6
-  %t1418 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 14
-  %t1419 = load i64, ptr %t1418
-  %t1420 = load { ptr, i64, i64 }, ptr %t1417
-  %t1421 = extractvalue { ptr, i64, i64 } %t1420, 1
-  %t1422 = icmp uge i64 %t1419, %t1421
-  br i1 %t1422, label %range7588, label %inrange7589
-range7588:
-  call void @finch_panic_index(ptr @.str.5047, i64 4500, i64 %t1419, i64 %t1421)
-  unreachable
-inrange7589:
-  %t1423 = extractvalue { ptr, i64, i64 } %t1420, 0
-  %t1424 = getelementptr inbounds %S.ast.Node, ptr %t1423, i64 %t1419
-  %t1425 = load %S.ast.Node, ptr %t1424
-  store %S.ast.Node %t1425, ptr %a1426
-  call void @finch.copy.S_ast_Node(ptr %a1427, ptr %a1426)
-  %t1428 = load %S.ast.Node, ptr %a1427
-  store %S.ast.Node %t1428, ptr %a1429
-  %t1430 = load ptr, ptr %a1
-  %t1431 = load %S.ast.Node, ptr %a2
-  %t1432 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t1433 = load i64, ptr %t1432
-  %t1434 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t1435 = load i64, ptr %t1434
-  %t1436 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 1
-  %t1437 = load { ptr, i64, i64 }, ptr %t1436
-  store { ptr, i64, i64 } { ptr @.str.5048, i64 16, i64 0 }, ptr %a1439
-  store { ptr, i64, i64 } %t1437, ptr %a1440
-  call void @finch_str_concat(ptr %a1438, ptr %a1439, ptr %a1440)
-  %t1441 = load { ptr, i64, i64 }, ptr %a1438
-  store { ptr, i64, i64 } %t1441, ptr %a1443
-  store { ptr, i64, i64 } { ptr @.str.5049, i64 3, i64 0 }, ptr %a1444
-  call void @finch_str_concat(ptr %a1442, ptr %a1443, ptr %a1444)
-  %t1445 = load { ptr, i64, i64 }, ptr %a1442
-  %t1446 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 11
-  %t1447 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1446, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5050, i64 2, i64 0 }, ptr %a1448
-  call void @finch_str_join(ptr %a1449, ptr %t1446, ptr %a1448)
-  %t1450 = load { ptr, i64, i64 }, ptr %a1449
-  store { ptr, i64, i64 } %t1445, ptr %a1452
-  store { ptr, i64, i64 } %t1450, ptr %a1453
-  call void @finch_str_concat(ptr %a1451, ptr %a1452, ptr %a1453)
-  %t1454 = load { ptr, i64, i64 }, ptr %a1451
-  store { ptr, i64, i64 } %t1454, ptr %a1456
-  store { ptr, i64, i64 } { ptr @.str.5051, i64 6, i64 0 }, ptr %a1457
-  call void @finch_str_concat(ptr %a1455, ptr %a1456, ptr %a1457)
-  %t1458 = load { ptr, i64, i64 }, ptr %a1455
-  %t1459 = load ptr, ptr %a1
-  %t1460 = icmp eq ptr %t1459, null
-  br i1 %t1460, label %panic7590, label %ok7591
-panic7590:
-  call void @finch_panic(ptr @.str.5052, i64 4501, ptr @.str.5053)
-  unreachable
-ok7591:
-  %t1461 = getelementptr inbounds %S.gen.Gen, ptr %t1459, i32 0, i32 1
-  %t1462 = getelementptr inbounds %S.ast.Node, ptr %a1429, i32 0, i32 13
-  %t1463 = load i64, ptr %t1462
-  %t1464 = load { ptr, i64, i64 }, ptr %t1461
-  %t1465 = extractvalue { ptr, i64, i64 } %t1464, 1
-  %t1466 = icmp uge i64 %t1463, %t1465
-  br i1 %t1466, label %range7592, label %inrange7593
-range7592:
-  call void @finch_panic_index(ptr @.str.5054, i64 4501, i64 %t1463, i64 %t1465)
-  unreachable
-inrange7593:
-  %t1467 = extractvalue { ptr, i64, i64 } %t1464, 0
-  %t1468 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1467, i64 %t1463
-  %t1469 = load { ptr, i64, i64 }, ptr %t1468
-  %t1470 = getelementptr inbounds %S.ast.Node, ptr %a1429, i32 0, i32 11
-  %t1471 = load i64, ptr %t1470
-  %t1472 = getelementptr inbounds %S.ast.Node, ptr %a1429, i32 0, i32 12
-  %t1473 = load i64, ptr %t1472
-  call void @finch.gen.noteRef(ptr %t1430, %S.ast.Node %t1431, i64 %t1433, i64 %t1435, { ptr, i64, i64 } %t1458, { ptr, i64, i64 } %t1469, i64 %t1471, i64 %t1473)
-  br label %endif7583
-endif7583:
-  %t1474 = load ptr, ptr %a1
-  %t1475 = load i64, ptr %a1382
-  %t1476 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1477 = load { ptr, i64, i64 }, ptr %t1476
-  %t1478 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t1479 = load { ptr, i64, i64 }, ptr %t1478
-  %t1480 = load %S.ast.Node, ptr %a2
-  %t1481 = call %S.gen.Val @finch.gen.construct(ptr %t1474, i64 %t1475, { ptr, i64, i64 } %t1477, { ptr, i64, i64 } %t1479, %S.ast.Node %t1480)
-  ret %S.gen.Val %t1481
-endif7570:
-  %t1482 = load ptr, ptr %a1
-  %t1483 = load ptr, ptr %a1
-  %t1484 = icmp eq ptr %t1483, null
-  br i1 %t1484, label %panic7594, label %ok7595
-panic7594:
-  call void @finch_panic(ptr @.str.5055, i64 4505, ptr @.str.5056)
-  unreachable
-ok7595:
-  %t1485 = getelementptr inbounds %S.gen.Gen, ptr %t1483, i32 0, i32 13
-  %t1486 = load { ptr, i64, i64 }, ptr %t1485
-  %t1487 = load { ptr, i64, i64 }, ptr %a8
-  %t1488 = call i64 @finch.gen.findEnum(ptr %t1482, { ptr, i64, i64 } %t1486, { ptr, i64, i64 } %t1487)
-  store i64 %t1488, ptr %a1489
-  %t1490 = load i64, ptr %a1489
-  %t1491 = icmp sge i64 %t1490, 0
-  br i1 %t1491, label %then7596, label %endif7598
-then7596:
-  %t1492 = load ptr, ptr %a1
-  %t1493 = load %S.ast.Node, ptr %a2
-  %t1494 = load i64, ptr %a1489
-  %t1495 = call %S.gen.Val @finch.gen.enumFrom(ptr %t1492, %S.ast.Node %t1493, i64 %t1494)
-  ret %S.gen.Val %t1495
-endif7598:
-  %t1496 = load ptr, ptr %a1
-  %t1497 = icmp eq ptr %t1496, null
-  br i1 %t1497, label %panic7599, label %ok7600
-panic7599:
-  call void @finch_panic(ptr @.str.5057, i64 4509, ptr @.str.5058)
-  unreachable
-ok7600:
-  %t1498 = getelementptr inbounds %S.gen.Gen, ptr %t1496, i32 0, i32 24
-  %t1499 = getelementptr inbounds %S.cimport.CImports, ptr %t1498, i32 0, i32 0
-  %t1500 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1500, ptr %a1501
-  %t1502 = call i64 @finch_map_find(ptr %t1499, ptr %a1501, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t1503 = icmp sge i64 %t1502, 0
-  br i1 %t1503, label %then7601, label %endif7603
-then7601:
+inrange7938:
+  %t1481 = extractvalue { ptr, i64, i64 } %t1478, 0
+  %t1482 = getelementptr inbounds %S.ast.Type, ptr %t1481, i64 0
+  %t1483 = load %S.ast.Type, ptr %t1482
+  call void @finch.gen.dropAt(ptr %t1473, { ptr, i64, i64 } %t1475, %S.ast.Type %t1483)
+  %t1484 = load ptr, ptr %a1
+  %t1485 = load { ptr, i64, i64 }, ptr %a1452
+  call void @finch.gen.br(ptr %t1484, { ptr, i64, i64 } %t1485)
+  %t1486 = load ptr, ptr %a1
+  %t1487 = load { ptr, i64, i64 }, ptr %a1452
+  call void @finch.gen.label(ptr %t1486, { ptr, i64, i64 } %t1487)
+  call void @finch_str_drop(ptr %a1452)
+  call void @finch_str_drop(ptr %a1449)
+  br label %endif7936
+endif7936:
+  %t1488 = load ptr, ptr %a1
+  %t1489 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 0
+  %t1490 = load { ptr, i64, i64 }, ptr %t1489
+  store { ptr, i64, i64 } { ptr @.str.5203, i64 20, i64 0 }, ptr %a1492
+  store { ptr, i64, i64 } %t1490, ptr %a1493
+  call void @finch_str_concat(ptr %a1491, ptr %a1492, ptr %a1493)
+  %t1494 = load { ptr, i64, i64 }, ptr %a1491
+  store { ptr, i64, i64 } %t1494, ptr %a1496
+  store { ptr, i64, i64 } { ptr @.str.5204, i64 1, i64 0 }, ptr %a1497
+  call void @finch_str_concat(ptr %a1495, ptr %a1496, ptr %a1497)
+  store { ptr, i64, i64 } %t1494, ptr %a1498
+  call void @finch_str_drop(ptr %a1498)
+  %t1499 = load { ptr, i64, i64 }, ptr %a1495
+  call void @finch.gen.emit(ptr %t1488, { ptr, i64, i64 } %t1499)
+  store { ptr, i64, i64 } %t1499, ptr %a1500
+  call void @finch_str_drop(ptr %a1500)
+  %t1501 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5205, i64 4, i64 0 })
+  %t1502 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1501, 1
+  call void @finch.drop.S_gen_Val(ptr %a1415)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1502
+endif7920:
+  %t1503 = load ptr, ptr %a1
   %t1504 = load ptr, ptr %a1
-  %t1505 = load %S.ast.Node, ptr %a2
-  %t1506 = load ptr, ptr %a1
-  %t1507 = icmp eq ptr %t1506, null
-  br i1 %t1507, label %panic7604, label %ok7605
-panic7604:
-  call void @finch_panic(ptr @.str.5059, i64 4510, ptr @.str.5060)
+  %t1505 = icmp eq ptr %t1504, null
+  br i1 %t1505, label %panic7939, label %ok7940
+panic7939:
+  call void @finch_panic(ptr @.str.5206, i64 4812, ptr @.str.5207)
   unreachable
-ok7605:
-  %t1508 = getelementptr inbounds %S.gen.Gen, ptr %t1506, i32 0, i32 24
-  %t1509 = getelementptr inbounds %S.cimport.CImports, ptr %t1508, i32 0, i32 0
-  %t1510 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1510, ptr %a1511
-  %t1512 = call i64 @finch_map_find(ptr %t1509, ptr %a1511, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t1513 = icmp slt i64 %t1512, 0
-  br i1 %t1513, label %map.missing7606, label %map.found7607
-map.missing7606:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a1514
-  store { ptr, i64, i64 } %t1510, ptr %a1515
-  call void @finch_buf_str(ptr %a1514, ptr %a1515, i32 1)
-  call void @finch_map_missing(ptr @.str.5061, i64 4510, ptr %a1514)
-  unreachable
-map.found7607:
-  %t1516 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t1509, i32 0, i32 0
-  %t1517 = load ptr, ptr %t1516
-  %t1518 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1517, i64 %t1512
-  %t1519 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1518, i32 0, i32 2
-  %t1520 = load %S.cimport.CFunc, ptr %t1519
-  %t1521 = call %S.gen.Val @finch.gen.callC(ptr %t1504, %S.ast.Node %t1505, %S.cimport.CFunc %t1520)
-  ret %S.gen.Val %t1521
-endif7603:
-  %t1522 = load ptr, ptr %a1
-  %t1523 = load { ptr, i64, i64 }, ptr %a8
-  %t1524 = call i64 @finch.gen.findStruct(ptr %t1522, { ptr, i64, i64 } { ptr @.str.5062, i64 1, i64 0 }, { ptr, i64, i64 } %t1523)
-  store i64 %t1524, ptr %a1382
-  %t1525 = load i64, ptr %a1382
-  %t1526 = icmp sge i64 %t1525, 0
-  br i1 %t1526, label %then7608, label %endif7610
-then7608:
-  %t1527 = load ptr, ptr %a1
-  %t1528 = load i64, ptr %a1382
-  %t1529 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1530 = load { ptr, i64, i64 }, ptr %t1529
-  %t1531 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t1532 = load { ptr, i64, i64 }, ptr %t1531
+ok7940:
+  %t1506 = getelementptr inbounds %S.gen.Gen, ptr %t1504, i32 0, i32 14
+  %t1507 = load { ptr, i64, i64 }, ptr %t1506
+  %t1508 = load { ptr, i64, i64 }, ptr %a8
+  %t1509 = call i64 @finch.gen.findFn(ptr %t1503, { ptr, i64, i64 } %t1507, { ptr, i64, i64 } %t1508)
+  store i64 %t1509, ptr %a1510
+  %t1511 = load i64, ptr %a1510
+  %t1512 = icmp sge i64 %t1511, 0
+  br i1 %t1512, label %then7941, label %endif7943
+then7941:
+  %t1513 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t1514 = getelementptr inbounds %S.ast.Type, ptr %t1513, i32 0, i32 1
+  %t1515 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1514, i32 0, i32 1
+  %t1516 = load i64, ptr %t1515
+  %t1517 = icmp sgt i64 %t1516, 0
+  br i1 %t1517, label %then7944, label %endif7946
+then7944:
+  %t1518 = load ptr, ptr %a1
+  %t1519 = load %S.ast.Node, ptr %a2
+  %t1520 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5208, i64 1, i64 0 }, ptr %a1522
+  store { ptr, i64, i64 } %t1520, ptr %a1523
+  call void @finch_str_concat(ptr %a1521, ptr %a1522, ptr %a1523)
+  %t1524 = load { ptr, i64, i64 }, ptr %a1521
+  store { ptr, i64, i64 } %t1524, ptr %a1526
+  store { ptr, i64, i64 } { ptr @.str.5209, i64 47, i64 0 }, ptr %a1527
+  call void @finch_str_concat(ptr %a1525, ptr %a1526, ptr %a1527)
+  store { ptr, i64, i64 } %t1524, ptr %a1528
+  call void @finch_str_drop(ptr %a1528)
+  %t1529 = load { ptr, i64, i64 }, ptr %a1525
+  call void @finch.gen.fail(ptr %t1518, %S.ast.Node %t1519, { ptr, i64, i64 } %t1529)
+  store { ptr, i64, i64 } %t1529, ptr %a1530
+  call void @finch_str_drop(ptr %a1530)
+  br label %endif7946
+endif7946:
+  %t1531 = load ptr, ptr %a1
+  %t1532 = load i64, ptr %a1510
   %t1533 = load %S.ast.Node, ptr %a2
-  %t1534 = call %S.gen.Val @finch.gen.construct(ptr %t1527, i64 %t1528, { ptr, i64, i64 } %t1530, { ptr, i64, i64 } %t1532, %S.ast.Node %t1533)
-  ret %S.gen.Val %t1534
-endif7610:
-  %t1535 = load ptr, ptr %a1
-  %t1536 = load { ptr, i64, i64 }, ptr %a8
-  %t1537 = call i64 @finch.gen.lookup(ptr %t1535, { ptr, i64, i64 } %t1536)
-  %t1538 = icmp sge i64 %t1537, 0
-  br i1 %t1538, label %then7611, label %endif7613
-then7611:
-  %t1539 = load ptr, ptr %a1
-  %t1540 = load %S.ast.Node, ptr %a2
+  %t1534 = load { ptr, i64, i64 }, ptr %a8
+  %t1535 = call %S.gen.Val @finch.gen.callFn(ptr %t1531, i64 %t1532, %S.ast.Node %t1533, i64 0, { ptr, i64, i64 } %t1534, { ptr, i64, i64 } { ptr @.str.5210, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5211, i64 0, i64 0 })
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1535
+endif7943:
+  %t1536 = load ptr, ptr %a1
+  %t1537 = load ptr, ptr %a1
+  %t1538 = icmp eq ptr %t1537, null
+  br i1 %t1538, label %panic7947, label %ok7948
+panic7947:
+  call void @finch_panic(ptr @.str.5212, i64 4819, ptr @.str.5213)
+  unreachable
+ok7948:
+  %t1539 = getelementptr inbounds %S.gen.Gen, ptr %t1537, i32 0, i32 14
+  %t1540 = load { ptr, i64, i64 }, ptr %t1539
   %t1541 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5063, i64 1, i64 0 }, ptr %a1543
-  store { ptr, i64, i64 } %t1541, ptr %a1544
-  call void @finch_str_concat(ptr %a1542, ptr %a1543, ptr %a1544)
-  %t1545 = load { ptr, i64, i64 }, ptr %a1542
-  store { ptr, i64, i64 } %t1545, ptr %a1547
-  store { ptr, i64, i64 } { ptr @.str.5064, i64 31, i64 0 }, ptr %a1548
-  call void @finch_str_concat(ptr %a1546, ptr %a1547, ptr %a1548)
-  %t1549 = load { ptr, i64, i64 }, ptr %a1546
-  call void @finch.gen.fail(ptr %t1539, %S.ast.Node %t1540, { ptr, i64, i64 } %t1549)
-  br label %endif7613
-endif7613:
-  %t1550 = load ptr, ptr %a1
-  %t1551 = load %S.ast.Node, ptr %a2
-  %t1552 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5065, i64 28, i64 0 }, ptr %a1554
-  store { ptr, i64, i64 } %t1552, ptr %a1555
-  call void @finch_str_concat(ptr %a1553, ptr %a1554, ptr %a1555)
-  %t1556 = load { ptr, i64, i64 }, ptr %a1553
-  store { ptr, i64, i64 } %t1556, ptr %a1558
-  store { ptr, i64, i64 } { ptr @.str.5066, i64 1, i64 0 }, ptr %a1559
-  call void @finch_str_concat(ptr %a1557, ptr %a1558, ptr %a1559)
-  %t1560 = load { ptr, i64, i64 }, ptr %a1557
-  %t1561 = load { ptr, i64, i64 }, ptr %a8
-  %t1562 = call { ptr, i64, i64 } @finch.gen.headerHint({ ptr, i64, i64 } %t1561)
-  store { ptr, i64, i64 } %t1560, ptr %a1564
-  store { ptr, i64, i64 } %t1562, ptr %a1565
-  call void @finch_str_concat(ptr %a1563, ptr %a1564, ptr %a1565)
-  %t1566 = load { ptr, i64, i64 }, ptr %a1563
-  call void @finch.gen.fail(ptr %t1550, %S.ast.Node %t1551, { ptr, i64, i64 } %t1566)
+  %t1542 = call i64 @finch.gen.findTemplate(ptr %t1536, { ptr, i64, i64 } %t1540, { ptr, i64, i64 } %t1541, { ptr, i64, i64 } { ptr @.str.5214, i64 0, i64 0 }, i1 false)
+  store i64 %t1542, ptr %a1543
+  %t1544 = load i64, ptr %a1543
+  %t1545 = icmp sge i64 %t1544, 0
+  br i1 %t1545, label %then7949, label %endif7951
+then7949:
+  %t1546 = load ptr, ptr %a1
+  %t1547 = load %S.ast.Node, ptr %a2
+  %t1548 = load i64, ptr %a1543
+  %t1549 = load { ptr, i64, i64 }, ptr %a8
+  %t1550 = call %S.gen.Val @finch.gen.genericCall(ptr %t1546, %S.ast.Node %t1547, i64 %t1548, i64 0, { ptr, i64, i64 } %t1549)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1550
+endif7951:
+  %t1551 = load ptr, ptr %a1
+  %t1552 = load ptr, ptr %a1
+  %t1553 = icmp eq ptr %t1552, null
+  br i1 %t1553, label %panic7952, label %ok7953
+panic7952:
+  call void @finch_panic(ptr @.str.5215, i64 4823, ptr @.str.5216)
+  unreachable
+ok7953:
+  %t1554 = getelementptr inbounds %S.gen.Gen, ptr %t1552, i32 0, i32 14
+  %t1555 = load { ptr, i64, i64 }, ptr %t1554
+  %t1556 = load { ptr, i64, i64 }, ptr %a8
+  %t1557 = call i64 @finch.gen.findTemplate(ptr %t1551, { ptr, i64, i64 } %t1555, { ptr, i64, i64 } %t1556, { ptr, i64, i64 } { ptr @.str.5217, i64 0, i64 0 }, i1 true)
+  %t1558 = icmp sge i64 %t1557, 0
+  br i1 %t1558, label %then7954, label %endif7956
+then7954:
+  %t1559 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t1560 = getelementptr inbounds %S.ast.Type, ptr %t1559, i32 0, i32 1
+  %t1561 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1560, i32 0, i32 1
+  %t1562 = load i64, ptr %t1561
+  %t1563 = icmp eq i64 %t1562, 0
+  br i1 %t1563, label %then7957, label %endif7959
+then7957:
+  %t1564 = load ptr, ptr %a1
+  %t1565 = load %S.ast.Node, ptr %a2
+  %t1566 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5218, i64 1, i64 0 }, ptr %a1568
+  store { ptr, i64, i64 } %t1566, ptr %a1569
+  call void @finch_str_concat(ptr %a1567, ptr %a1568, ptr %a1569)
+  %t1570 = load { ptr, i64, i64 }, ptr %a1567
+  store { ptr, i64, i64 } %t1570, ptr %a1572
+  store { ptr, i64, i64 } { ptr @.str.5219, i64 42, i64 0 }, ptr %a1573
+  call void @finch_str_concat(ptr %a1571, ptr %a1572, ptr %a1573)
+  store { ptr, i64, i64 } %t1570, ptr %a1574
+  call void @finch_str_drop(ptr %a1574)
+  %t1575 = load { ptr, i64, i64 }, ptr %a1571
+  %t1576 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1575, ptr %a1578
+  store { ptr, i64, i64 } %t1576, ptr %a1579
+  call void @finch_str_concat(ptr %a1577, ptr %a1578, ptr %a1579)
+  store { ptr, i64, i64 } %t1575, ptr %a1580
+  call void @finch_str_drop(ptr %a1580)
+  %t1581 = load { ptr, i64, i64 }, ptr %a1577
+  store { ptr, i64, i64 } %t1581, ptr %a1583
+  store { ptr, i64, i64 } { ptr @.str.5220, i64 10, i64 0 }, ptr %a1584
+  call void @finch_str_concat(ptr %a1582, ptr %a1583, ptr %a1584)
+  store { ptr, i64, i64 } %t1581, ptr %a1585
+  call void @finch_str_drop(ptr %a1585)
+  %t1586 = load { ptr, i64, i64 }, ptr %a1582
+  call void @finch.gen.fail(ptr %t1564, %S.ast.Node %t1565, { ptr, i64, i64 } %t1586)
+  store { ptr, i64, i64 } %t1586, ptr %a1587
+  call void @finch_str_drop(ptr %a1587)
+  br label %endif7959
+endif7959:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1588
+  %t1589 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t1590 = getelementptr inbounds %S.ast.Type, ptr %t1589, i32 0, i32 1
+  store i64 0, ptr %a1591
+  br label %each.cond7960
+each.cond7960:
+  %t1592 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1590, i32 0, i32 1
+  %t1593 = load i64, ptr %t1592
+  %t1594 = load i64, ptr %a1591
+  %t1595 = icmp slt i64 %t1594, %t1593
+  br i1 %t1595, label %each.body7961, label %each.end7963
+each.body7961:
+  %t1596 = load ptr, ptr %t1590
+  %t1597 = getelementptr inbounds %S.ast.Type, ptr %t1596, i64 %t1594
+  %t1598 = load %S.ast.Type, ptr %t1597
+  store %S.ast.Type %t1598, ptr %a1599
+  %t1600 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1588, i32 0, i32 1
+  %t1601 = load ptr, ptr %a1
+  %t1602 = load %S.ast.Type, ptr %a1599
+  %t1603 = load %S.ast.Node, ptr %a2
+  %t1604 = call %S.ast.Type @finch.gen.resolve(ptr %t1601, %S.ast.Type %t1602, %S.ast.Node %t1603)
+  %t1605 = load i64, ptr %t1600
+  %t1606 = add i64 %t1605, 1
+  call void @finch_arr_reserve(ptr %a1588, i64 %t1606, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t1607 = load ptr, ptr %a1588
+  %t1608 = getelementptr inbounds %S.ast.Type, ptr %t1607, i64 %t1605
+  store %S.ast.Type %t1604, ptr %t1608
+  store i64 %t1606, ptr %t1600
+  br label %each.step7962
+each.step7962:
+  %t1609 = load i64, ptr %a1591
+  %t1610 = add i64 %t1609, 1
+  store i64 %t1610, ptr %a1591
+  br label %each.cond7960
+each.end7963:
+  %t1611 = load ptr, ptr %a1
+  %t1612 = load ptr, ptr %a1
+  %t1613 = icmp eq ptr %t1612, null
+  br i1 %t1613, label %panic7964, label %ok7965
+panic7964:
+  call void @finch_panic(ptr @.str.5221, i64 4832, ptr @.str.5222)
+  unreachable
+ok7965:
+  %t1614 = getelementptr inbounds %S.gen.Gen, ptr %t1612, i32 0, i32 14
+  %t1615 = load { ptr, i64, i64 }, ptr %t1614
+  %t1616 = load { ptr, i64, i64 }, ptr %a8
+  %t1617 = load { ptr, i64, i64 }, ptr %a1588
+  %t1618 = load %S.ast.Node, ptr %a2
+  %t1619 = call %S.ast.Type @finch.gen.instStruct(ptr %t1611, { ptr, i64, i64 } %t1615, { ptr, i64, i64 } %t1616, { ptr, i64, i64 } %t1617, %S.ast.Node %t1618)
+  store %S.ast.Type %t1619, ptr %a1620
+  %t1621 = load ptr, ptr %a1
+  %t1622 = load ptr, ptr %a1
+  %t1623 = getelementptr inbounds %S.ast.Type, ptr %a1620, i32 0, i32 3
+  %t1624 = load { ptr, i64, i64 }, ptr %t1623
+  %t1625 = getelementptr inbounds %S.ast.Type, ptr %a1620, i32 0, i32 2
+  %t1626 = load { ptr, i64, i64 }, ptr %t1625
+  %t1627 = call i64 @finch.gen.findStruct(ptr %t1622, { ptr, i64, i64 } %t1624, { ptr, i64, i64 } %t1626)
+  %t1628 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1629 = load { ptr, i64, i64 }, ptr %t1628
+  %t1630 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t1631 = load { ptr, i64, i64 }, ptr %t1630
+  %t1632 = load %S.ast.Node, ptr %a2
+  %t1633 = call %S.gen.Val @finch.gen.construct(ptr %t1621, i64 %t1627, { ptr, i64, i64 } %t1629, { ptr, i64, i64 } %t1631, %S.ast.Node %t1632)
+  call void @finch.drop.S_ast_Type(ptr %a1620)
+  call void @finch.drop.arr_S_ast_Type(ptr %a1588)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1633
+endif7956:
+  %t1634 = load ptr, ptr %a1
+  %t1635 = load ptr, ptr %a1
+  %t1636 = icmp eq ptr %t1635, null
+  br i1 %t1636, label %panic7966, label %ok7967
+panic7966:
+  call void @finch_panic(ptr @.str.5223, i64 4835, ptr @.str.5224)
+  unreachable
+ok7967:
+  %t1637 = getelementptr inbounds %S.gen.Gen, ptr %t1635, i32 0, i32 14
+  %t1638 = load { ptr, i64, i64 }, ptr %t1637
+  %t1639 = load { ptr, i64, i64 }, ptr %a8
+  %t1640 = call i64 @finch.gen.findStruct(ptr %t1634, { ptr, i64, i64 } %t1638, { ptr, i64, i64 } %t1639)
+  store i64 %t1640, ptr %a1641
+  %t1642 = load i64, ptr %a1641
+  %t1643 = icmp sge i64 %t1642, 0
+  br i1 %t1643, label %then7968, label %endif7970
+then7968:
+  %t1644 = load ptr, ptr %a1
+  %t1645 = icmp eq ptr %t1644, null
+  br i1 %t1645, label %panic7971, label %ok7972
+panic7971:
+  call void @finch_panic(ptr @.str.5225, i64 4837, ptr @.str.5226)
+  unreachable
+ok7972:
+  %t1646 = getelementptr inbounds %S.gen.Gen, ptr %t1644, i32 0, i32 16
+  %t1647 = load i64, ptr %a1641
+  %t1648 = load { ptr, i64, i64 }, ptr %t1646
+  %t1649 = extractvalue { ptr, i64, i64 } %t1648, 1
+  %t1650 = icmp uge i64 %t1647, %t1649
+  br i1 %t1650, label %range7973, label %inrange7974
+range7973:
+  call void @finch_panic_index(ptr @.str.5227, i64 4837, i64 %t1647, i64 %t1649)
+  unreachable
+inrange7974:
+  %t1651 = extractvalue { ptr, i64, i64 } %t1648, 0
+  %t1652 = getelementptr inbounds %S.gen.StructDef, ptr %t1651, i64 %t1647
+  %t1653 = load %S.gen.StructDef, ptr %t1652
+  store %S.gen.StructDef %t1653, ptr %a1654
+  call void @finch.copy.S_gen_StructDef(ptr %a1655, ptr %a1654)
+  %t1656 = load %S.gen.StructDef, ptr %a1655
+  store %S.gen.StructDef %t1656, ptr %a1657
+  %t1658 = load ptr, ptr %a1
+  %t1659 = icmp eq ptr %t1658, null
+  br i1 %t1659, label %panic7975, label %ok7976
+panic7975:
+  call void @finch_panic(ptr @.str.5228, i64 4838, ptr @.str.5229)
+  unreachable
+ok7976:
+  %t1660 = getelementptr inbounds %S.gen.Gen, ptr %t1658, i32 0, i32 27
+  %t1661 = load i1, ptr %t1660
+  br label %logic.from7977
+logic.from7977:
+  br i1 %t1661, label %logic.rhs7978, label %logic.end7979
+logic.rhs7978:
+  %t1662 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 2
+  %t1663 = load i1, ptr %t1662
+  %t1664 = xor i1 %t1663, true
+  br label %logic.rend7980
+logic.rend7980:
+  br label %logic.end7979
+logic.end7979:
+  %t1665 = phi i1 [ false, %logic.from7977 ], [ %t1664, %logic.rend7980 ]
+  br i1 %t1665, label %then7981, label %endif7983
+then7981:
+  %t1666 = load ptr, ptr %a1
+  %t1667 = icmp eq ptr %t1666, null
+  br i1 %t1667, label %panic7984, label %ok7985
+panic7984:
+  call void @finch_panic(ptr @.str.5230, i64 4839, ptr @.str.5231)
+  unreachable
+ok7985:
+  %t1668 = getelementptr inbounds %S.gen.Gen, ptr %t1666, i32 0, i32 0
+  %t1669 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 13
+  %t1670 = load i64, ptr %t1669
+  %t1671 = load { ptr, i64, i64 }, ptr %t1668
+  %t1672 = extractvalue { ptr, i64, i64 } %t1671, 1
+  %t1673 = icmp uge i64 %t1670, %t1672
+  br i1 %t1673, label %range7986, label %inrange7987
+range7986:
+  call void @finch_panic_index(ptr @.str.5232, i64 4839, i64 %t1670, i64 %t1672)
+  unreachable
+inrange7987:
+  %t1674 = extractvalue { ptr, i64, i64 } %t1671, 0
+  %t1675 = getelementptr inbounds %S.ast.Program, ptr %t1674, i64 %t1670
+  %t1676 = getelementptr inbounds %S.ast.Program, ptr %t1675, i32 0, i32 6
+  %t1677 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 14
+  %t1678 = load i64, ptr %t1677
+  %t1679 = load { ptr, i64, i64 }, ptr %t1676
+  %t1680 = extractvalue { ptr, i64, i64 } %t1679, 1
+  %t1681 = icmp uge i64 %t1678, %t1680
+  br i1 %t1681, label %range7988, label %inrange7989
+range7988:
+  call void @finch_panic_index(ptr @.str.5233, i64 4839, i64 %t1678, i64 %t1680)
+  unreachable
+inrange7989:
+  %t1682 = extractvalue { ptr, i64, i64 } %t1679, 0
+  %t1683 = getelementptr inbounds %S.ast.Node, ptr %t1682, i64 %t1678
+  %t1684 = load %S.ast.Node, ptr %t1683
+  store %S.ast.Node %t1684, ptr %a1685
+  call void @finch.copy.S_ast_Node(ptr %a1686, ptr %a1685)
+  %t1687 = load %S.ast.Node, ptr %a1686
+  store %S.ast.Node %t1687, ptr %a1688
+  %t1689 = load ptr, ptr %a1
+  %t1690 = load %S.ast.Node, ptr %a2
+  %t1691 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t1692 = load i64, ptr %t1691
+  %t1693 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t1694 = load i64, ptr %t1693
+  %t1695 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 1
+  %t1696 = load { ptr, i64, i64 }, ptr %t1695
+  store { ptr, i64, i64 } { ptr @.str.5234, i64 16, i64 0 }, ptr %a1698
+  store { ptr, i64, i64 } %t1696, ptr %a1699
+  call void @finch_str_concat(ptr %a1697, ptr %a1698, ptr %a1699)
+  %t1700 = load { ptr, i64, i64 }, ptr %a1697
+  store { ptr, i64, i64 } %t1700, ptr %a1702
+  store { ptr, i64, i64 } { ptr @.str.5235, i64 3, i64 0 }, ptr %a1703
+  call void @finch_str_concat(ptr %a1701, ptr %a1702, ptr %a1703)
+  store { ptr, i64, i64 } %t1700, ptr %a1704
+  call void @finch_str_drop(ptr %a1704)
+  %t1705 = load { ptr, i64, i64 }, ptr %a1701
+  %t1706 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 11
+  %t1707 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1706, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5236, i64 2, i64 0 }, ptr %a1708
+  call void @finch_str_join(ptr %a1709, ptr %t1706, ptr %a1708)
+  %t1710 = load { ptr, i64, i64 }, ptr %a1709
+  store { ptr, i64, i64 } %t1705, ptr %a1712
+  store { ptr, i64, i64 } %t1710, ptr %a1713
+  call void @finch_str_concat(ptr %a1711, ptr %a1712, ptr %a1713)
+  store { ptr, i64, i64 } %t1705, ptr %a1714
+  call void @finch_str_drop(ptr %a1714)
+  store { ptr, i64, i64 } %t1710, ptr %a1715
+  call void @finch_str_drop(ptr %a1715)
+  %t1716 = load { ptr, i64, i64 }, ptr %a1711
+  store { ptr, i64, i64 } %t1716, ptr %a1718
+  store { ptr, i64, i64 } { ptr @.str.5237, i64 6, i64 0 }, ptr %a1719
+  call void @finch_str_concat(ptr %a1717, ptr %a1718, ptr %a1719)
+  store { ptr, i64, i64 } %t1716, ptr %a1720
+  call void @finch_str_drop(ptr %a1720)
+  %t1721 = load { ptr, i64, i64 }, ptr %a1717
+  %t1722 = load ptr, ptr %a1
+  %t1723 = icmp eq ptr %t1722, null
+  br i1 %t1723, label %panic7990, label %ok7991
+panic7990:
+  call void @finch_panic(ptr @.str.5238, i64 4840, ptr @.str.5239)
+  unreachable
+ok7991:
+  %t1724 = getelementptr inbounds %S.gen.Gen, ptr %t1722, i32 0, i32 1
+  %t1725 = getelementptr inbounds %S.ast.Node, ptr %a1688, i32 0, i32 13
+  %t1726 = load i64, ptr %t1725
+  %t1727 = load { ptr, i64, i64 }, ptr %t1724
+  %t1728 = extractvalue { ptr, i64, i64 } %t1727, 1
+  %t1729 = icmp uge i64 %t1726, %t1728
+  br i1 %t1729, label %range7992, label %inrange7993
+range7992:
+  call void @finch_panic_index(ptr @.str.5240, i64 4840, i64 %t1726, i64 %t1728)
+  unreachable
+inrange7993:
+  %t1730 = extractvalue { ptr, i64, i64 } %t1727, 0
+  %t1731 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1730, i64 %t1726
+  %t1732 = load { ptr, i64, i64 }, ptr %t1731
+  %t1733 = getelementptr inbounds %S.ast.Node, ptr %a1688, i32 0, i32 11
+  %t1734 = load i64, ptr %t1733
+  %t1735 = getelementptr inbounds %S.ast.Node, ptr %a1688, i32 0, i32 12
+  %t1736 = load i64, ptr %t1735
+  call void @finch.gen.noteRef(ptr %t1689, %S.ast.Node %t1690, i64 %t1692, i64 %t1694, { ptr, i64, i64 } %t1721, { ptr, i64, i64 } %t1732, i64 %t1734, i64 %t1736)
+  store { ptr, i64, i64 } %t1721, ptr %a1737
+  call void @finch_str_drop(ptr %a1737)
+  call void @finch.drop.S_ast_Node(ptr %a1688)
+  br label %endif7983
+endif7983:
+  %t1738 = load ptr, ptr %a1
+  %t1739 = load i64, ptr %a1641
+  %t1740 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1741 = load { ptr, i64, i64 }, ptr %t1740
+  %t1742 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t1743 = load { ptr, i64, i64 }, ptr %t1742
+  %t1744 = load %S.ast.Node, ptr %a2
+  %t1745 = call %S.gen.Val @finch.gen.construct(ptr %t1738, i64 %t1739, { ptr, i64, i64 } %t1741, { ptr, i64, i64 } %t1743, %S.ast.Node %t1744)
+  call void @finch.drop.S_gen_StructDef(ptr %a1657)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1745
+endif7970:
+  %t1746 = load ptr, ptr %a1
+  %t1747 = load ptr, ptr %a1
+  %t1748 = icmp eq ptr %t1747, null
+  br i1 %t1748, label %panic7994, label %ok7995
+panic7994:
+  call void @finch_panic(ptr @.str.5241, i64 4844, ptr @.str.5242)
+  unreachable
+ok7995:
+  %t1749 = getelementptr inbounds %S.gen.Gen, ptr %t1747, i32 0, i32 14
+  %t1750 = load { ptr, i64, i64 }, ptr %t1749
+  %t1751 = load { ptr, i64, i64 }, ptr %a8
+  %t1752 = call i64 @finch.gen.findEnum(ptr %t1746, { ptr, i64, i64 } %t1750, { ptr, i64, i64 } %t1751)
+  store i64 %t1752, ptr %a1753
+  %t1754 = load i64, ptr %a1753
+  %t1755 = icmp sge i64 %t1754, 0
+  br i1 %t1755, label %then7996, label %endif7998
+then7996:
+  %t1756 = load ptr, ptr %a1
+  %t1757 = load %S.ast.Node, ptr %a2
+  %t1758 = load i64, ptr %a1753
+  %t1759 = call %S.gen.Val @finch.gen.enumFrom(ptr %t1756, %S.ast.Node %t1757, i64 %t1758)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1759
+endif7998:
+  %t1760 = load ptr, ptr %a1
+  %t1761 = icmp eq ptr %t1760, null
+  br i1 %t1761, label %panic7999, label %ok8000
+panic7999:
+  call void @finch_panic(ptr @.str.5243, i64 4848, ptr @.str.5244)
+  unreachable
+ok8000:
+  %t1762 = getelementptr inbounds %S.gen.Gen, ptr %t1760, i32 0, i32 25
+  %t1763 = getelementptr inbounds %S.cimport.CImports, ptr %t1762, i32 0, i32 0
+  %t1764 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1764, ptr %a1765
+  %t1766 = call i64 @finch_map_find(ptr %t1763, ptr %a1765, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t1767 = icmp sge i64 %t1766, 0
+  br i1 %t1767, label %then8001, label %endif8003
+then8001:
+  %t1768 = load ptr, ptr %a1
+  %t1769 = load %S.ast.Node, ptr %a2
+  %t1770 = load ptr, ptr %a1
+  %t1771 = icmp eq ptr %t1770, null
+  br i1 %t1771, label %panic8004, label %ok8005
+panic8004:
+  call void @finch_panic(ptr @.str.5245, i64 4849, ptr @.str.5246)
+  unreachable
+ok8005:
+  %t1772 = getelementptr inbounds %S.gen.Gen, ptr %t1770, i32 0, i32 25
+  %t1773 = getelementptr inbounds %S.cimport.CImports, ptr %t1772, i32 0, i32 0
+  %t1774 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1774, ptr %a1775
+  %t1776 = call i64 @finch_map_find(ptr %t1773, ptr %a1775, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t1777 = icmp slt i64 %t1776, 0
+  br i1 %t1777, label %map.missing8006, label %map.found8007
+map.missing8006:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1778
+  store { ptr, i64, i64 } %t1774, ptr %a1779
+  call void @finch_buf_str(ptr %a1778, ptr %a1779, i32 1)
+  call void @finch_map_missing(ptr @.str.5247, i64 4849, ptr %a1778)
+  unreachable
+map.found8007:
+  %t1780 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t1773, i32 0, i32 0
+  %t1781 = load ptr, ptr %t1780
+  %t1782 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1781, i64 %t1776
+  %t1783 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1782, i32 0, i32 2
+  %t1784 = load %S.cimport.CFunc, ptr %t1783
+  %t1785 = call %S.gen.Val @finch.gen.callC(ptr %t1768, %S.ast.Node %t1769, %S.cimport.CFunc %t1784)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1785
+endif8003:
+  %t1786 = load ptr, ptr %a1
+  %t1787 = load { ptr, i64, i64 }, ptr %a8
+  %t1788 = call i64 @finch.gen.findStruct(ptr %t1786, { ptr, i64, i64 } { ptr @.str.5248, i64 1, i64 0 }, { ptr, i64, i64 } %t1787)
+  store i64 %t1788, ptr %a1641
+  %t1789 = load i64, ptr %a1641
+  %t1790 = icmp sge i64 %t1789, 0
+  br i1 %t1790, label %then8008, label %endif8010
+then8008:
+  %t1791 = load ptr, ptr %a1
+  %t1792 = load i64, ptr %a1641
+  %t1793 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1794 = load { ptr, i64, i64 }, ptr %t1793
+  %t1795 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t1796 = load { ptr, i64, i64 }, ptr %t1795
+  %t1797 = load %S.ast.Node, ptr %a2
+  %t1798 = call %S.gen.Val @finch.gen.construct(ptr %t1791, i64 %t1792, { ptr, i64, i64 } %t1794, { ptr, i64, i64 } %t1796, %S.ast.Node %t1797)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1798
+endif8010:
+  %t1799 = load ptr, ptr %a1
+  %t1800 = load { ptr, i64, i64 }, ptr %a8
+  %t1801 = call i64 @finch.gen.lookup(ptr %t1799, { ptr, i64, i64 } %t1800)
+  %t1802 = icmp sge i64 %t1801, 0
+  br i1 %t1802, label %then8011, label %endif8013
+then8011:
+  %t1803 = load ptr, ptr %a1
+  %t1804 = load %S.ast.Node, ptr %a2
+  %t1805 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5249, i64 1, i64 0 }, ptr %a1807
+  store { ptr, i64, i64 } %t1805, ptr %a1808
+  call void @finch_str_concat(ptr %a1806, ptr %a1807, ptr %a1808)
+  %t1809 = load { ptr, i64, i64 }, ptr %a1806
+  store { ptr, i64, i64 } %t1809, ptr %a1811
+  store { ptr, i64, i64 } { ptr @.str.5250, i64 31, i64 0 }, ptr %a1812
+  call void @finch_str_concat(ptr %a1810, ptr %a1811, ptr %a1812)
+  store { ptr, i64, i64 } %t1809, ptr %a1813
+  call void @finch_str_drop(ptr %a1813)
+  %t1814 = load { ptr, i64, i64 }, ptr %a1810
+  call void @finch.gen.fail(ptr %t1803, %S.ast.Node %t1804, { ptr, i64, i64 } %t1814)
+  store { ptr, i64, i64 } %t1814, ptr %a1815
+  call void @finch_str_drop(ptr %a1815)
+  br label %endif8013
+endif8013:
+  %t1816 = load ptr, ptr %a1
+  %t1817 = load %S.ast.Node, ptr %a2
+  %t1818 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5251, i64 28, i64 0 }, ptr %a1820
+  store { ptr, i64, i64 } %t1818, ptr %a1821
+  call void @finch_str_concat(ptr %a1819, ptr %a1820, ptr %a1821)
+  %t1822 = load { ptr, i64, i64 }, ptr %a1819
+  store { ptr, i64, i64 } %t1822, ptr %a1824
+  store { ptr, i64, i64 } { ptr @.str.5252, i64 1, i64 0 }, ptr %a1825
+  call void @finch_str_concat(ptr %a1823, ptr %a1824, ptr %a1825)
+  store { ptr, i64, i64 } %t1822, ptr %a1826
+  call void @finch_str_drop(ptr %a1826)
+  %t1827 = load { ptr, i64, i64 }, ptr %a1823
+  %t1828 = load { ptr, i64, i64 }, ptr %a8
+  %t1829 = call { ptr, i64, i64 } @finch.gen.headerHint({ ptr, i64, i64 } %t1828)
+  store { ptr, i64, i64 } %t1827, ptr %a1831
+  store { ptr, i64, i64 } %t1829, ptr %a1832
+  call void @finch_str_concat(ptr %a1830, ptr %a1831, ptr %a1832)
+  store { ptr, i64, i64 } %t1827, ptr %a1833
+  call void @finch_str_drop(ptr %a1833)
+  store { ptr, i64, i64 } %t1829, ptr %a1834
+  call void @finch_str_drop(ptr %a1834)
+  %t1835 = load { ptr, i64, i64 }, ptr %a1830
+  call void @finch.gen.fail(ptr %t1816, %S.ast.Node %t1817, { ptr, i64, i64 } %t1835)
+  store { ptr, i64, i64 } %t1835, ptr %a1836
+  call void @finch_str_drop(ptr %a1836)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -68720,27 +81710,41 @@ entry:
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca i64, align 16
-  %a76 = alloca %S.ast.Node, align 16
-  %a77 = alloca %S.ast.Node, align 16
-  %a79 = alloca %S.ast.Node, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca %S.gen.Val, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca %S.ast.Type, align 16
-  %a155 = alloca %S.ast.Type, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca i64, align 16
+  %a70 = alloca i64, align 16
+  %a83 = alloca %S.ast.Node, align 16
+  %a84 = alloca %S.ast.Node, align 16
+  %a86 = alloca %S.ast.Node, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca %S.gen.Val, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca %S.gen.Val, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca %S.ast.Type, align 16
+  %a166 = alloca %S.ast.Type, align 16
+  %a171 = alloca %S.gen.Val, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca %S.gen.Val, align 16
+  %a204 = alloca %S.gen.Val, align 16
+  %a220 = alloca %S.gen.Val, align 16
+  %a221 = alloca i64, align 16
+  %a229 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
@@ -68750,21 +81754,21 @@ entry:
   store { ptr, i64, i64 } %p6, ptr %a7
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic7614, label %ok7615
-panic7614:
-  call void @finch_panic(ptr @.str.5067, i64 4524, ptr @.str.5068)
+  br i1 %t9, label %panic8014, label %ok8015
+panic8014:
+  call void @finch_panic(ptr @.str.5253, i64 4863, ptr @.str.5254)
   unreachable
-ok7615:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 14
+ok8015:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 15
   %t11 = load i64, ptr %a2
   %t12 = load { ptr, i64, i64 }, ptr %t10
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range7616, label %inrange7617
-range7616:
-  call void @finch_panic_index(ptr @.str.5069, i64 4524, i64 %t11, i64 %t13)
+  br i1 %t14, label %range8016, label %inrange8017
+range8016:
+  call void @finch_panic_index(ptr @.str.5255, i64 4863, i64 %t11, i64 %t13)
   unreachable
-inrange7617:
+inrange8017:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.gen.FnSig, ptr %t15, i64 %t11
   %t17 = load %S.gen.FnSig, ptr %t16
@@ -68776,28 +81780,28 @@ inrange7617:
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = icmp eq i64 %t24, 0
-  br label %logic.from7618
-logic.from7618:
-  br i1 %t25, label %logic.rhs7619, label %logic.end7620
-logic.rhs7619:
+  br label %logic.from8018
+logic.from8018:
+  br i1 %t25, label %logic.rhs8019, label %logic.end8020
+logic.rhs8019:
   %t26 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 1
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.5070, i64 4, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.5256, i64 4, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend7621
-logic.rend7621:
-  br label %logic.end7620
-logic.end7620:
-  %t32 = phi i1 [ false, %logic.from7618 ], [ %t31, %logic.rend7621 ]
-  br i1 %t32, label %then7622, label %endif7624
-then7622:
+  br label %logic.rend8021
+logic.rend8021:
+  br label %logic.end8020
+logic.end8020:
+  %t32 = phi i1 [ false, %logic.from8018 ], [ %t31, %logic.rend8021 ]
+  br i1 %t32, label %then8022, label %endif8024
+then8022:
   %t33 = load ptr, ptr %a1
   %t34 = load %S.ast.Node, ptr %a3
-  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } { ptr @.str.5071, i64 52, i64 0 })
-  br label %endif7624
-endif7624:
+  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } { ptr @.str.5257, i64 52, i64 0 })
+  br label %endif8024
+endif8024:
   %t35 = load ptr, ptr %a1
   %t36 = load %S.ast.Node, ptr %a3
   %t37 = load %S.gen.FnSig, ptr %a21
@@ -68815,11 +81819,11 @@ endif7624:
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i32 0, i32 1
   %t48 = load i64, ptr %t47
   %t49 = icmp sgt i64 %t48, 0
-  br i1 %t49, label %then7625, label %endif7627
-then7625:
+  br i1 %t49, label %then8025, label %endif8027
+then8025:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
   %t51 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.5072, i64 4, i64 0 }, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.5258, i64 4, i64 0 }, ptr %a53
   store { ptr, i64, i64 } %t51, ptr %a54
   call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
   %t55 = load { ptr, i64, i64 }, ptr %a52
@@ -68830,212 +81834,293 @@ then7625:
   %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i64 %t56
   store { ptr, i64, i64 } %t55, ptr %t59
   store i64 %t57, ptr %t50
-  br label %endif7627
-endif7627:
-  %t60 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
-  %t62 = load i64, ptr %t61
-  store i64 0, ptr %a63
-  br label %for.cond7628
-for.cond7628:
-  %t64 = load i64, ptr %a63
-  %t65 = icmp slt i64 %t64, %t62
-  br i1 %t65, label %for.body7629, label %for.end7631
-for.body7629:
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t67 = load i64, ptr %a4
-  %t68 = load i64, ptr %a63
-  %t69 = add i64 %t67, %t68
-  %t70 = load { ptr, i64, i64 }, ptr %t66
-  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
-  %t72 = icmp uge i64 %t69, %t71
-  br i1 %t72, label %range7632, label %inrange7633
-range7632:
-  call void @finch_panic_index(ptr @.str.5073, i64 4535, i64 %t69, i64 %t71)
+  br label %endif8027
+endif8027:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a60
+  %t61 = load ptr, ptr %a1
+  %t62 = icmp eq ptr %t61, null
+  br i1 %t62, label %panic8028, label %ok8029
+panic8028:
+  call void @finch_panic(ptr @.str.5259, i64 4874, ptr @.str.5260)
   unreachable
-inrange7633:
-  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 %t69
-  %t75 = load %S.ast.Node, ptr %t74
-  store %S.ast.Node %t75, ptr %a76
-  call void @finch.copy.S_ast_Node(ptr %a77, ptr %a76)
-  %t78 = load %S.ast.Node, ptr %a77
-  store %S.ast.Node %t78, ptr %a79
-  %t80 = load ptr, ptr %a1
-  %t81 = load ptr, ptr %a1
-  %t82 = load %S.ast.Node, ptr %a79
-  %t83 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t84 = load i64, ptr %a63
-  %t85 = load { ptr, i64, i64 }, ptr %t83
-  %t86 = extractvalue { ptr, i64, i64 } %t85, 1
-  %t87 = icmp uge i64 %t84, %t86
-  br i1 %t87, label %range7634, label %inrange7635
-range7634:
-  call void @finch_panic_index(ptr @.str.5074, i64 4536, i64 %t84, i64 %t86)
+ok8029:
+  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 11
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
+  %t65 = load i64, ptr %t64
+  store i64 %t65, ptr %a66
+  %t67 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
+  %t69 = load i64, ptr %t68
+  store i64 0, ptr %a70
+  br label %for.cond8030
+for.cond8030:
+  %t71 = load i64, ptr %a70
+  %t72 = icmp slt i64 %t71, %t69
+  br i1 %t72, label %for.body8031, label %for.end8033
+for.body8031:
+  %t73 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t74 = load i64, ptr %a4
+  %t75 = load i64, ptr %a70
+  %t76 = add i64 %t74, %t75
+  %t77 = load { ptr, i64, i64 }, ptr %t73
+  %t78 = extractvalue { ptr, i64, i64 } %t77, 1
+  %t79 = icmp uge i64 %t76, %t78
+  br i1 %t79, label %range8034, label %inrange8035
+range8034:
+  call void @finch_panic_index(ptr @.str.5261, i64 4876, i64 %t76, i64 %t78)
   unreachable
-inrange7635:
-  %t88 = extractvalue { ptr, i64, i64 } %t85, 0
-  %t89 = getelementptr inbounds %S.ast.Type, ptr %t88, i64 %t84
-  %t90 = load %S.ast.Type, ptr %t89
-  %t91 = call %S.gen.Val @finch.gen.exprWant(ptr %t81, %S.ast.Node %t82, %S.ast.Type %t90)
-  %t92 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t93 = load i64, ptr %a63
-  %t94 = load { ptr, i64, i64 }, ptr %t92
-  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
-  %t96 = icmp uge i64 %t93, %t95
-  br i1 %t96, label %range7636, label %inrange7637
-range7636:
-  call void @finch_panic_index(ptr @.str.5075, i64 4536, i64 %t93, i64 %t95)
+inrange8035:
+  %t80 = extractvalue { ptr, i64, i64 } %t77, 0
+  %t81 = getelementptr inbounds %S.ast.Node, ptr %t80, i64 %t76
+  %t82 = load %S.ast.Node, ptr %t81
+  store %S.ast.Node %t82, ptr %a83
+  call void @finch.copy.S_ast_Node(ptr %a84, ptr %a83)
+  %t85 = load %S.ast.Node, ptr %a84
+  store %S.ast.Node %t85, ptr %a86
+  %t87 = load ptr, ptr %a1
+  %t88 = load ptr, ptr %a1
+  %t89 = load %S.ast.Node, ptr %a86
+  %t90 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t91 = load i64, ptr %a70
+  %t92 = load { ptr, i64, i64 }, ptr %t90
+  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
+  %t94 = icmp uge i64 %t91, %t93
+  br i1 %t94, label %range8036, label %inrange8037
+range8036:
+  call void @finch_panic_index(ptr @.str.5262, i64 4877, i64 %t91, i64 %t93)
   unreachable
-inrange7637:
-  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %t97, i64 %t93
-  %t99 = load %S.ast.Type, ptr %t98
-  %t100 = load %S.ast.Node, ptr %a79
-  %t101 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 14
-  %t102 = load i64, ptr %a63
-  %t103 = load { ptr, i64, i64 }, ptr %t101
-  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
-  %t105 = icmp uge i64 %t102, %t104
-  br i1 %t105, label %range7638, label %inrange7639
-range7638:
-  call void @finch_panic_index(ptr @.str.5077, i64 4536, i64 %t102, i64 %t104)
+inrange8037:
+  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
+  %t96 = getelementptr inbounds %S.ast.Type, ptr %t95, i64 %t91
+  %t97 = load %S.ast.Type, ptr %t96
+  %t98 = call %S.gen.Val @finch.gen.exprWant(ptr %t88, %S.ast.Node %t89, %S.ast.Type %t97)
+  %t99 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t100 = load i64, ptr %a70
+  %t101 = load { ptr, i64, i64 }, ptr %t99
+  %t102 = extractvalue { ptr, i64, i64 } %t101, 1
+  %t103 = icmp uge i64 %t100, %t102
+  br i1 %t103, label %range8038, label %inrange8039
+range8038:
+  call void @finch_panic_index(ptr @.str.5263, i64 4877, i64 %t100, i64 %t102)
   unreachable
-inrange7639:
-  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i64 %t102
-  %t108 = load { ptr, i64, i64 }, ptr %t107
-  store { ptr, i64, i64 } { ptr @.str.5076, i64 10, i64 0 }, ptr %a110
-  store { ptr, i64, i64 } %t108, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t112, ptr %a114
-  store { ptr, i64, i64 } { ptr @.str.5078, i64 1, i64 0 }, ptr %a115
-  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
-  %t116 = load { ptr, i64, i64 }, ptr %a113
-  %t117 = call %S.gen.Val @finch.gen.coerce(ptr %t80, %S.gen.Val %t91, %S.ast.Type %t99, %S.ast.Node %t100, { ptr, i64, i64 } %t116)
-  store %S.gen.Val %t117, ptr %a118
-  %t119 = load ptr, ptr %a1
-  %t120 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t121 = load i64, ptr %a63
-  %t122 = load { ptr, i64, i64 }, ptr %t120
-  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
-  %t124 = icmp uge i64 %t121, %t123
-  br i1 %t124, label %range7640, label %inrange7641
-range7640:
-  call void @finch_panic_index(ptr @.str.5079, i64 4538, i64 %t121, i64 %t123)
+inrange8039:
+  %t104 = extractvalue { ptr, i64, i64 } %t101, 0
+  %t105 = getelementptr inbounds %S.ast.Type, ptr %t104, i64 %t100
+  %t106 = load %S.ast.Type, ptr %t105
+  %t107 = load %S.ast.Node, ptr %a86
+  %t108 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 14
+  %t109 = load i64, ptr %a70
+  %t110 = load { ptr, i64, i64 }, ptr %t108
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 %t109, %t111
+  br i1 %t112, label %range8040, label %inrange8041
+range8040:
+  call void @finch_panic_index(ptr @.str.5265, i64 4877, i64 %t109, i64 %t111)
   unreachable
-inrange7641:
-  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %t125, i64 %t121
-  %t127 = load %S.ast.Type, ptr %t126
-  %t128 = call i1 @finch.gen.owning(ptr %t119, %S.ast.Type %t127)
-  br label %logic.from7642
-logic.from7642:
-  br i1 %t128, label %logic.rhs7643, label %logic.end7644
-logic.rhs7643:
-  %t129 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 2
-  %t130 = load i1, ptr %t129
-  %t131 = xor i1 %t130, true
-  br label %logic.rend7645
-logic.rend7645:
-  br label %logic.end7644
-logic.end7644:
-  %t132 = phi i1 [ false, %logic.from7642 ], [ %t131, %logic.rend7645 ]
-  br label %logic.from7646
-logic.from7646:
-  br i1 %t132, label %logic.rhs7647, label %logic.end7648
-logic.rhs7647:
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  %t135 = icmp sgt i64 %t134, 0
-  br label %logic.rend7649
-logic.rend7649:
-  br label %logic.end7648
-logic.end7648:
-  %t136 = phi i1 [ false, %logic.from7646 ], [ %t135, %logic.rend7649 ]
-  br label %logic.from7650
-logic.from7650:
-  br i1 %t136, label %logic.rhs7651, label %logic.end7652
-logic.rhs7651:
-  %t137 = load %S.ast.Node, ptr %a79
-  %t138 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t137)
-  %t139 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } %t139, ptr %a141
-  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
-  %t143 = icmp ne i32 %t142, 0
-  br label %logic.rend7653
-logic.rend7653:
-  br label %logic.end7652
-logic.end7652:
-  %t144 = phi i1 [ false, %logic.from7650 ], [ %t143, %logic.rend7653 ]
-  br i1 %t144, label %then7654, label %endif7656
-then7654:
-  %t145 = load ptr, ptr %a1
-  %t146 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 0
-  %t147 = load { ptr, i64, i64 }, ptr %t146
-  %t148 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 1
-  %t149 = load %S.ast.Type, ptr %t148
-  %t150 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t145, { ptr, i64, i64 } %t147, %S.ast.Type %t149)
-  %t151 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t150, 0
-  %t152 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 1
-  %t153 = load %S.ast.Type, ptr %t152
-  store %S.ast.Type %t153, ptr %a154
-  call void @finch.copy.S_ast_Type(ptr %a155, ptr %a154)
-  %t156 = load %S.ast.Type, ptr %a155
-  %t157 = insertvalue %S.gen.Val %t151, %S.ast.Type %t156, 1
-  %t158 = insertvalue %S.gen.Val %t157, i1 true, 2
-  store %S.gen.Val %t158, ptr %a118
-  br label %endif7656
-endif7656:
-  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
-  %t160 = load ptr, ptr %a1
-  %t161 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t162 = load i64, ptr %a63
-  %t163 = load { ptr, i64, i64 }, ptr %t161
-  %t164 = extractvalue { ptr, i64, i64 } %t163, 1
-  %t165 = icmp uge i64 %t162, %t164
-  br i1 %t165, label %range7657, label %inrange7658
-range7657:
-  call void @finch_panic_index(ptr @.str.5080, i64 4541, i64 %t162, i64 %t164)
+inrange8041:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %t113, i64 %t109
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } { ptr @.str.5264, i64 10, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.5266, i64 1, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = call %S.gen.Val @finch.gen.coerce(ptr %t87, %S.gen.Val %t98, %S.ast.Type %t106, %S.ast.Node %t107, { ptr, i64, i64 } %t124)
+  store %S.gen.Val %t98, ptr %a126
+  call void @finch.drop.S_gen_Val(ptr %a126)
+  store { ptr, i64, i64 } %t124, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  store %S.gen.Val %t125, ptr %a128
+  %t129 = load ptr, ptr %a1
+  %t130 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t131 = load i64, ptr %a70
+  %t132 = load { ptr, i64, i64 }, ptr %t130
+  %t133 = extractvalue { ptr, i64, i64 } %t132, 1
+  %t134 = icmp uge i64 %t131, %t133
+  br i1 %t134, label %range8042, label %inrange8043
+range8042:
+  call void @finch_panic_index(ptr @.str.5267, i64 4879, i64 %t131, i64 %t133)
   unreachable
-inrange7658:
-  %t166 = extractvalue { ptr, i64, i64 } %t163, 0
-  %t167 = getelementptr inbounds %S.ast.Type, ptr %t166, i64 %t162
-  %t168 = load %S.ast.Type, ptr %t167
-  %t169 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t160, %S.ast.Type %t168)
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.5081, i64 1, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 0
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  store { ptr, i64, i64 } %t173, ptr %a177
-  store { ptr, i64, i64 } %t175, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load i64, ptr %t159
-  %t181 = add i64 %t180, 1
-  call void @finch_arr_reserve(ptr %a45, i64 %t181, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t182 = load ptr, ptr %a45
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i64 %t180
-  store { ptr, i64, i64 } %t179, ptr %t183
-  store i64 %t181, ptr %t159
-  br label %for.step7630
-for.step7630:
-  %t184 = load i64, ptr %a63
-  %t185 = add i64 %t184, 1
-  store i64 %t185, ptr %a63
-  br label %for.cond7628
-for.end7631:
-  %t186 = load ptr, ptr %a1
-  %t187 = load %S.gen.FnSig, ptr %a21
-  %t188 = load %S.ast.Node, ptr %a3
-  %t189 = load { ptr, i64, i64 }, ptr %a45
-  %t190 = load { ptr, i64, i64 }, ptr %a5
-  %t191 = call %S.gen.Val @finch.gen.emitCall(ptr %t186, %S.gen.FnSig %t187, %S.ast.Node %t188, { ptr, i64, i64 } %t189, { ptr, i64, i64 } %t190)
-  ret %S.gen.Val %t191
+inrange8043:
+  %t135 = extractvalue { ptr, i64, i64 } %t132, 0
+  %t136 = getelementptr inbounds %S.ast.Type, ptr %t135, i64 %t131
+  %t137 = load %S.ast.Type, ptr %t136
+  %t138 = call i1 @finch.gen.owning(ptr %t129, %S.ast.Type %t137)
+  br label %logic.from8044
+logic.from8044:
+  br i1 %t138, label %logic.rhs8045, label %logic.end8046
+logic.rhs8045:
+  %t139 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 2
+  %t140 = load i1, ptr %t139
+  %t141 = xor i1 %t140, true
+  br label %logic.rend8047
+logic.rend8047:
+  br label %logic.end8046
+logic.end8046:
+  %t142 = phi i1 [ false, %logic.from8044 ], [ %t141, %logic.rend8047 ]
+  br label %logic.from8048
+logic.from8048:
+  br i1 %t142, label %logic.rhs8049, label %logic.end8050
+logic.rhs8049:
+  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t144 = load i64, ptr %t143
+  %t145 = icmp sgt i64 %t144, 0
+  br label %logic.rend8051
+logic.rend8051:
+  br label %logic.end8050
+logic.end8050:
+  %t146 = phi i1 [ false, %logic.from8048 ], [ %t145, %logic.rend8051 ]
+  br label %logic.from8052
+logic.from8052:
+  br i1 %t146, label %logic.rhs8053, label %logic.end8054
+logic.rhs8053:
+  %t147 = load %S.ast.Node, ptr %a86
+  %t148 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t147)
+  %t149 = load { ptr, i64, i64 }, ptr %a7
+  store { ptr, i64, i64 } %t148, ptr %a150
+  store { ptr, i64, i64 } %t149, ptr %a151
+  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
+  %t153 = icmp ne i32 %t152, 0
+  store { ptr, i64, i64 } %t148, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  br label %logic.rend8055
+logic.rend8055:
+  br label %logic.end8054
+logic.end8054:
+  %t155 = phi i1 [ false, %logic.from8052 ], [ %t153, %logic.rend8055 ]
+  br i1 %t155, label %then8056, label %endif8058
+then8056:
+  %t156 = load ptr, ptr %a1
+  %t157 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 0
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  %t159 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 1
+  %t160 = load %S.ast.Type, ptr %t159
+  %t161 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t156, { ptr, i64, i64 } %t158, %S.ast.Type %t160)
+  %t162 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t161, 0
+  %t163 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 1
+  %t164 = load %S.ast.Type, ptr %t163
+  store %S.ast.Type %t164, ptr %a165
+  call void @finch.copy.S_ast_Type(ptr %a166, ptr %a165)
+  %t167 = load %S.ast.Type, ptr %a166
+  %t168 = insertvalue %S.gen.Val %t162, %S.ast.Type %t167, 1
+  %t169 = insertvalue %S.gen.Val %t168, i1 true, 2
+  %t170 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t169, ptr %a128
+  store %S.gen.Val %t170, ptr %a171
+  call void @finch.drop.S_gen_Val(ptr %a171)
+  br label %endif8058
+endif8058:
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
+  %t173 = load ptr, ptr %a1
+  %t174 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t175 = load i64, ptr %a70
+  %t176 = load { ptr, i64, i64 }, ptr %t174
+  %t177 = extractvalue { ptr, i64, i64 } %t176, 1
+  %t178 = icmp uge i64 %t175, %t177
+  br i1 %t178, label %range8059, label %inrange8060
+range8059:
+  call void @finch_panic_index(ptr @.str.5268, i64 4882, i64 %t175, i64 %t177)
+  unreachable
+inrange8060:
+  %t179 = extractvalue { ptr, i64, i64 } %t176, 0
+  %t180 = getelementptr inbounds %S.ast.Type, ptr %t179, i64 %t175
+  %t181 = load %S.ast.Type, ptr %t180
+  %t182 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t173, %S.ast.Type %t181)
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.5269, i64 1, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 0
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  store { ptr, i64, i64 } %t187, ptr %a191
+  store { ptr, i64, i64 } %t189, ptr %a192
+  call void @finch_str_concat(ptr %a190, ptr %a191, ptr %a192)
+  store { ptr, i64, i64 } %t187, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = load { ptr, i64, i64 }, ptr %a190
+  %t195 = load i64, ptr %t172
+  %t196 = add i64 %t195, 1
+  call void @finch_arr_reserve(ptr %a45, i64 %t196, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t197 = load ptr, ptr %a45
+  %t198 = getelementptr inbounds { ptr, i64, i64 }, ptr %t197, i64 %t195
+  store { ptr, i64, i64 } %t194, ptr %t198
+  store i64 %t196, ptr %t172
+  %t199 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 2
+  %t200 = load i1, ptr %t199
+  br i1 %t200, label %then8061, label %endif8063
+then8061:
+  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %a60, i32 0, i32 1
+  %t202 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t202, ptr %a203
+  call void @finch.copy.S_gen_Val(ptr %a204, ptr %a203)
+  %t205 = load %S.gen.Val, ptr %a204
+  %t206 = load i64, ptr %t201
+  %t207 = add i64 %t206, 1
+  call void @finch_arr_reserve(ptr %a60, i64 %t207, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t208 = load ptr, ptr %a60
+  %t209 = getelementptr inbounds %S.gen.Val, ptr %t208, i64 %t206
+  store %S.gen.Val %t205, ptr %t209
+  store i64 %t207, ptr %t201
+  br label %endif8063
+endif8063:
+  %t210 = load ptr, ptr %a1
+  %t211 = load %S.gen.Val, ptr %a128
+  call void @finch.gen.hold(ptr %t210, %S.gen.Val %t211)
+  call void @finch.drop.S_gen_Val(ptr %a128)
+  call void @finch.drop.S_ast_Node(ptr %a86)
+  br label %for.step8032
+for.step8032:
+  %t212 = load i64, ptr %a70
+  %t213 = add i64 %t212, 1
+  store i64 %t213, ptr %a70
+  br label %for.cond8030
+for.end8033:
+  %t214 = load ptr, ptr %a1
+  %t215 = load %S.gen.FnSig, ptr %a21
+  %t216 = load %S.ast.Node, ptr %a3
+  %t217 = load { ptr, i64, i64 }, ptr %a45
+  %t218 = load { ptr, i64, i64 }, ptr %a5
+  %t219 = call %S.gen.Val @finch.gen.emitCall(ptr %t214, %S.gen.FnSig %t215, %S.ast.Node %t216, { ptr, i64, i64 } %t217, { ptr, i64, i64 } %t218)
+  store %S.gen.Val %t219, ptr %a220
+  store i64 0, ptr %a221
+  br label %each.cond8064
+each.cond8064:
+  %t222 = getelementptr inbounds { ptr, i64, i64 }, ptr %a60, i32 0, i32 1
+  %t223 = load i64, ptr %t222
+  %t224 = load i64, ptr %a221
+  %t225 = icmp slt i64 %t224, %t223
+  br i1 %t225, label %each.body8065, label %each.end8067
+each.body8065:
+  %t226 = load ptr, ptr %a60
+  %t227 = getelementptr inbounds %S.gen.Val, ptr %t226, i64 %t224
+  %t228 = load %S.gen.Val, ptr %t227
+  store %S.gen.Val %t228, ptr %a229
+  %t230 = load ptr, ptr %a1
+  %t231 = load %S.gen.Val, ptr %a229
+  call void @finch.gen.release(ptr %t230, %S.gen.Val %t231)
+  br label %each.step8066
+each.step8066:
+  %t232 = load i64, ptr %a221
+  %t233 = add i64 %t232, 1
+  store i64 %t233, ptr %a221
+  br label %each.cond8064
+each.end8067:
+  %t234 = load ptr, ptr %a1
+  %t235 = load i64, ptr %a66
+  call void @finch.gen.heldEnd(ptr %t234, i64 %t235)
+  %t236 = load %S.gen.Val, ptr %a220
+  call void @finch.drop.arr_S_gen_Val(ptr %a60)
+  call void @finch.drop.arr_str(ptr %a45)
+  call void @finch.drop.S_gen_FnSig(ptr %a21)
+  ret %S.gen.Val %t236
 }
 
 define internal %S.gen.Val @finch.gen.emitCall(ptr %p0, %S.gen.FnSig %p1, %S.ast.Node %p2, { ptr, i64, i64 } %p3, { ptr, i64, i64 } %p4) {
@@ -69047,107 +82132,142 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca %S.ast.Type, align 16
-  %a169 = alloca %S.ast.Type, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
   %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca %S.ast.Type, align 16
-  %a198 = alloca %S.ast.Type, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca %S.ast.Type, align 16
+  %a201 = alloca %S.ast.Type, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a218 = alloca %S.ast.Type, align 16
-  %a227 = alloca %S.ast.Type, align 16
-  %a228 = alloca %S.ast.Type, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca %S.ast.Type, align 16
+  %a235 = alloca %S.ast.Type, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca %S.ast.Type, align 16
+  %a255 = alloca %S.ast.Type, align 16
+  %a264 = alloca %S.ast.Type, align 16
+  %a265 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.gen.FnSig %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
@@ -69155,18 +82275,18 @@ entry:
   store { ptr, i64, i64 } %p4, ptr %a5
   %t6 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
   %t7 = load i1, ptr %t6
-  br label %logic.from7659
-logic.from7659:
-  br i1 %t7, label %logic.rhs7660, label %logic.end7661
-logic.rhs7660:
+  br label %logic.from8068
+logic.from8068:
+  br i1 %t7, label %logic.rhs8069, label %logic.end8070
+logic.rhs8069:
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic7662, label %ok7663
-panic7662:
-  call void @finch_panic(ptr @.str.5082, i64 4548, ptr @.str.5083)
+  br i1 %t9, label %panic8071, label %ok8072
+panic8071:
+  call void @finch_panic(ptr @.str.5270, i64 4898, ptr @.str.5271)
   unreachable
-ok7663:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 39
+ok8072:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 40
   %t11 = load { ptr, i64, i64 }, ptr %t10
   %t12 = load %S.ast.Node, ptr %a3
   %t13 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t12)
@@ -69174,259 +82294,339 @@ ok7663:
   store { ptr, i64, i64 } %t13, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp eq i32 %t16, 0
-  br label %logic.rend7664
-logic.rend7664:
-  br label %logic.end7661
-logic.end7661:
-  %t18 = phi i1 [ false, %logic.from7659 ], [ %t17, %logic.rend7664 ]
-  br i1 %t18, label %then7665, label %endif7667
-then7665:
-  %t19 = load ptr, ptr %a1
-  %t20 = load %S.ast.Node, ptr %a3
-  %t21 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.5084, i64 1, i64 0 }, ptr %a23
-  store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.5085, i64 39, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t29, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.5086, i64 19, i64 0 }, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  %t39 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t38, ptr %a41
-  store { ptr, i64, i64 } %t39, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.5087, i64 27, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } %t13, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  br label %logic.rend8073
+logic.rend8073:
+  br label %logic.end8070
+logic.end8070:
+  %t19 = phi i1 [ false, %logic.from8068 ], [ %t17, %logic.rend8073 ]
+  br i1 %t19, label %then8074, label %endif8076
+then8074:
+  %t20 = load ptr, ptr %a1
+  %t21 = load %S.ast.Node, ptr %a3
+  %t22 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.5272, i64 1, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.5273, i64 39, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t31, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t31, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.5274, i64 19, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  %t43 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t42, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
   call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  %t48 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t47, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
+  store { ptr, i64, i64 } %t42, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t48, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.5275, i64 27, i64 0 }, ptr %a51
   call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.5088, i64 5, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  call void @finch.gen.fail(ptr %t19, %S.ast.Node %t20, { ptr, i64, i64 } %t56)
-  br label %endif7667
-endif7667:
-  %t57 = load ptr, ptr %a1
-  %t58 = load %S.gen.FnSig, ptr %a2
-  %t59 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t57, %S.gen.FnSig %t58)
-  store { ptr, i64, i64 } { ptr @.str.5089, i64 5, i64 0 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  %t54 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t53, ptr %a56
+  store { ptr, i64, i64 } %t54, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t53, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t59, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.5276, i64 5, i64 0 }, ptr %a62
   call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.5090, i64 1, i64 0 }, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  store { ptr, i64, i64 } %t67, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t59, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a60
+  call void @finch.gen.fail(ptr %t20, %S.ast.Node %t21, { ptr, i64, i64 } %t64)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  br label %endif8076
+endif8076:
+  %t66 = load ptr, ptr %a1
+  %t67 = load %S.gen.FnSig, ptr %a2
+  %t68 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t66, %S.gen.FnSig %t67)
+  store { ptr, i64, i64 } { ptr @.str.5277, i64 5, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
   store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.5091, i64 1, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.5278, i64 1, i64 0 }, ptr %a76
   call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5092, i64 2, i64 0 }, ptr %a79
-  call void @finch_str_join(ptr %a80, ptr %a4, ptr %a79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t77, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t78, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t78, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
   store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.5093, i64 1, i64 0 }, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.5279, i64 1, i64 0 }, ptr %a88
   call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a90
-  %t91 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
-  %t92 = load i1, ptr %t91
-  br i1 %t92, label %then7668, label %endif7670
-then7668:
-  %t93 = load ptr, ptr %a1
-  %t94 = load { ptr, i64, i64 }, ptr %a90
-  %t95 = call { ptr, i64, i64 } @finch.gen.op(ptr %t93, { ptr, i64, i64 } %t94)
-  store { ptr, i64, i64 } %t95, ptr %a96
-  %t97 = load ptr, ptr %a1
-  %t98 = load ptr, ptr %a1
-  %t99 = load %S.gen.FnSig, ptr %a2
-  %t100 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t98, %S.gen.FnSig %t99)
-  store { ptr, i64, i64 } { ptr @.str.5094, i64 13, i64 0 }, ptr %a102
-  store { ptr, i64, i64 } %t100, ptr %a103
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5280, i64 2, i64 0 }, ptr %a92
+  call void @finch_str_join(ptr %a93, ptr %a4, ptr %a92)
+  %t94 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t90, ptr %a96
+  store { ptr, i64, i64 } %t94, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t90, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  store { ptr, i64, i64 } %t94, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.5281, i64 1, i64 0 }, ptr %a103
   call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t104, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.5095, i64 1, i64 0 }, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  %t109 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t108, ptr %a111
-  store { ptr, i64, i64 } %t109, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t113, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.5096, i64 3, i64 0 }, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = call { ptr, i64, i64 } @finch.gen.op(ptr %t97, { ptr, i64, i64 } %t117)
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = load ptr, ptr %a1
-  %t121 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.5097, i64 7, i64 0 }, ptr %a123
-  store { ptr, i64, i64 } %t121, ptr %a124
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  store { ptr, i64, i64 } %t105, ptr %a106
+  %t107 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
+  %t108 = load i1, ptr %t107
+  br i1 %t108, label %then8077, label %endif8079
+then8077:
+  %t109 = load ptr, ptr %a1
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  %t111 = call { ptr, i64, i64 } @finch.gen.op(ptr %t109, { ptr, i64, i64 } %t110)
+  store { ptr, i64, i64 } %t111, ptr %a112
+  %t113 = load ptr, ptr %a1
+  %t114 = load ptr, ptr %a1
+  %t115 = load %S.gen.FnSig, ptr %a2
+  %t116 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t114, %S.gen.FnSig %t115)
+  store { ptr, i64, i64 } { ptr @.str.5282, i64 13, i64 0 }, ptr %a118
+  store { ptr, i64, i64 } %t116, ptr %a119
+  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
+  store { ptr, i64, i64 } %t116, ptr %a120
+  call void @finch_str_drop(ptr %a120)
+  %t121 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t121, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.5283, i64 1, i64 0 }, ptr %a124
   call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
-  %t125 = load { ptr, i64, i64 }, ptr %a122
-  store { ptr, i64, i64 } %t125, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.5098, i64 6, i64 0 }, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = call { ptr, i64, i64 } @finch.gen.op(ptr %t120, { ptr, i64, i64 } %t129)
-  %t131 = load ptr, ptr %a1
-  %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic7671, label %ok7672
-panic7671:
-  call void @finch_panic(ptr @.str.5099, i64 4555, ptr @.str.5100)
-  unreachable
-ok7672:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 40
-  store { ptr, i64, i64 } %t130, ptr %t133
-  %t134 = load ptr, ptr %a1
-  %t135 = load ptr, ptr %a1
-  %t136 = load %S.gen.FnSig, ptr %a2
-  %t137 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t135, %S.gen.FnSig %t136)
-  store { ptr, i64, i64 } { ptr @.str.5101, i64 13, i64 0 }, ptr %a139
-  store { ptr, i64, i64 } %t137, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  store { ptr, i64, i64 } %t141, ptr %a143
-  store { ptr, i64, i64 } { ptr @.str.5102, i64 1, i64 0 }, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  %t146 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t145, ptr %a148
-  store { ptr, i64, i64 } %t146, ptr %a149
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  %t127 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t126, ptr %a129
+  store { ptr, i64, i64 } %t127, ptr %a130
+  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
+  store { ptr, i64, i64 } %t126, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t132, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.5284, i64 3, i64 0 }, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t132, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  %t138 = call { ptr, i64, i64 } @finch.gen.op(ptr %t113, { ptr, i64, i64 } %t137)
+  store { ptr, i64, i64 } %t137, ptr %a139
+  call void @finch_str_drop(ptr %a139)
+  store { ptr, i64, i64 } %t138, ptr %a140
+  %t141 = load ptr, ptr %a1
+  %t142 = load { ptr, i64, i64 }, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.5285, i64 7, i64 0 }, ptr %a144
+  store { ptr, i64, i64 } %t142, ptr %a145
+  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a143
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.5286, i64 6, i64 0 }, ptr %a149
   call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
-  %t150 = load { ptr, i64, i64 }, ptr %a147
-  store { ptr, i64, i64 } %t150, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.5103, i64 3, i64 0 }, ptr %a153
-  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
-  %t154 = load { ptr, i64, i64 }, ptr %a151
-  %t155 = call { ptr, i64, i64 } @finch.gen.op(ptr %t134, { ptr, i64, i64 } %t154)
-  %t156 = load ptr, ptr %a1
-  %t157 = icmp eq ptr %t156, null
-  br i1 %t157, label %panic7673, label %ok7674
-panic7673:
-  call void @finch_panic(ptr @.str.5104, i64 4556, ptr @.str.5105)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = call { ptr, i64, i64 } @finch.gen.op(ptr %t141, { ptr, i64, i64 } %t151)
+  store { ptr, i64, i64 } %t151, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load ptr, ptr %a1
+  %t155 = icmp eq ptr %t154, null
+  br i1 %t155, label %panic8080, label %ok8081
+panic8080:
+  call void @finch_panic(ptr @.str.5287, i64 4905, ptr @.str.5288)
   unreachable
-ok7674:
-  %t158 = getelementptr inbounds %S.gen.Gen, ptr %t156, i32 0, i32 41
-  store { ptr, i64, i64 } %t155, ptr %t158
-  %t159 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t160 = getelementptr inbounds %S.ast.Type, ptr %t159, i32 0, i32 0
-  %t161 = load { ptr, i64, i64 }, ptr %t160
-  store { ptr, i64, i64 } %t161, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.5106, i64 4, i64 0 }, ptr %a163
-  %t164 = call i32 @finch_str_eq(ptr %a162, ptr %a163)
-  %t165 = icmp ne i32 %t164, 0
-  br i1 %t165, label %then7675, label %endif7677
-then7675:
-  %t166 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t167 = load %S.ast.Type, ptr %t166
-  store %S.ast.Type %t167, ptr %a168
-  call void @finch.copy.S_ast_Type(ptr %a169, ptr %a168)
-  %t170 = load %S.ast.Type, ptr %a169
-  %t171 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t170, 1
-  ret %S.gen.Val %t171
-endif7677:
-  %t172 = load ptr, ptr %a1
-  %t173 = load ptr, ptr %a1
-  %t174 = load %S.gen.FnSig, ptr %a2
-  %t175 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t173, %S.gen.FnSig %t174)
-  store { ptr, i64, i64 } { ptr @.str.5107, i64 13, i64 0 }, ptr %a177
-  store { ptr, i64, i64 } %t175, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  store { ptr, i64, i64 } %t179, ptr %a181
-  store { ptr, i64, i64 } { ptr @.str.5108, i64 1, i64 0 }, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  %t184 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t183, ptr %a186
-  store { ptr, i64, i64 } %t184, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  store { ptr, i64, i64 } %t188, ptr %a190
-  store { ptr, i64, i64 } { ptr @.str.5109, i64 3, i64 0 }, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  %t193 = call { ptr, i64, i64 } @finch.gen.op(ptr %t172, { ptr, i64, i64 } %t192)
-  %t194 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t193, 0
-  %t195 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t196 = load %S.ast.Type, ptr %t195
-  store %S.ast.Type %t196, ptr %a197
-  call void @finch.copy.S_ast_Type(ptr %a198, ptr %a197)
-  %t199 = load %S.ast.Type, ptr %a198
-  %t200 = insertvalue %S.gen.Val %t194, %S.ast.Type %t199, 1
-  %t201 = load ptr, ptr %a1
-  %t202 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t203 = load %S.ast.Type, ptr %t202
-  %t204 = call i1 @finch.gen.owning(ptr %t201, %S.ast.Type %t203)
-  %t205 = insertvalue %S.gen.Val %t200, i1 %t204, 2
-  ret %S.gen.Val %t205
-endif7670:
-  %t206 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t207 = getelementptr inbounds %S.ast.Type, ptr %t206, i32 0, i32 0
-  %t208 = load { ptr, i64, i64 }, ptr %t207
-  store { ptr, i64, i64 } %t208, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.5110, i64 4, i64 0 }, ptr %a210
-  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
-  %t212 = icmp ne i32 %t211, 0
-  br i1 %t212, label %then7678, label %endif7680
-then7678:
-  %t213 = load ptr, ptr %a1
-  %t214 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.emit(ptr %t213, { ptr, i64, i64 } %t214)
-  %t215 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t216 = load %S.ast.Type, ptr %t215
-  store %S.ast.Type %t216, ptr %a217
-  call void @finch.copy.S_ast_Type(ptr %a218, ptr %a217)
-  %t219 = load %S.ast.Type, ptr %a218
-  %t220 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t219, 1
-  ret %S.gen.Val %t220
-endif7680:
-  %t221 = load ptr, ptr %a1
-  %t222 = load { ptr, i64, i64 }, ptr %a90
-  %t223 = call { ptr, i64, i64 } @finch.gen.op(ptr %t221, { ptr, i64, i64 } %t222)
-  %t224 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t223, 0
-  %t225 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t226 = load %S.ast.Type, ptr %t225
-  store %S.ast.Type %t226, ptr %a227
-  call void @finch.copy.S_ast_Type(ptr %a228, ptr %a227)
-  %t229 = load %S.ast.Type, ptr %a228
-  %t230 = insertvalue %S.gen.Val %t224, %S.ast.Type %t229, 1
-  %t231 = load ptr, ptr %a1
+ok8081:
+  %t156 = getelementptr inbounds %S.gen.Gen, ptr %t154, i32 0, i32 41
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t152, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load ptr, ptr %a1
+  %t160 = load ptr, ptr %a1
+  %t161 = load %S.gen.FnSig, ptr %a2
+  %t162 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t160, %S.gen.FnSig %t161)
+  store { ptr, i64, i64 } { ptr @.str.5289, i64 13, i64 0 }, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t162, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t167, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.5290, i64 1, i64 0 }, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t167, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  %t172 = load { ptr, i64, i64 }, ptr %a168
+  %t173 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t172, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t172, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5291, i64 3, i64 0 }, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t178, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t159, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load ptr, ptr %a1
+  %t187 = icmp eq ptr %t186, null
+  br i1 %t187, label %panic8082, label %ok8083
+panic8082:
+  call void @finch_panic(ptr @.str.5292, i64 4906, ptr @.str.5293)
+  unreachable
+ok8083:
+  %t188 = getelementptr inbounds %S.gen.Gen, ptr %t186, i32 0, i32 42
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  store { ptr, i64, i64 } %t184, ptr %t188
+  store { ptr, i64, i64 } %t189, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t192 = getelementptr inbounds %S.ast.Type, ptr %t191, i32 0, i32 0
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  store { ptr, i64, i64 } %t193, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.5294, i64 4, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br i1 %t197, label %then8084, label %endif8086
+then8084:
+  %t198 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t199 = load %S.ast.Type, ptr %t198
+  store %S.ast.Type %t199, ptr %a200
+  call void @finch.copy.S_ast_Type(ptr %a201, ptr %a200)
+  %t202 = load %S.ast.Type, ptr %a201
+  %t203 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t202, 1
+  call void @finch_str_drop(ptr %a140)
+  call void @finch_str_drop(ptr %a112)
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t203
+endif8086:
+  %t204 = load ptr, ptr %a1
+  %t205 = load ptr, ptr %a1
+  %t206 = load %S.gen.FnSig, ptr %a2
+  %t207 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t205, %S.gen.FnSig %t206)
+  store { ptr, i64, i64 } { ptr @.str.5295, i64 13, i64 0 }, ptr %a209
+  store { ptr, i64, i64 } %t207, ptr %a210
+  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
+  store { ptr, i64, i64 } %t207, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t212, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.5296, i64 1, i64 0 }, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t212, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  %t218 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t217, ptr %a220
+  store { ptr, i64, i64 } %t218, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t217, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.5297, i64 3, i64 0 }, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t204, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t228, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t229, 0
   %t232 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t233 = load %S.ast.Type, ptr %t232
-  %t234 = call i1 @finch.gen.owning(ptr %t231, %S.ast.Type %t233)
-  %t235 = insertvalue %S.gen.Val %t230, i1 %t234, 2
-  ret %S.gen.Val %t235
+  store %S.ast.Type %t233, ptr %a234
+  call void @finch.copy.S_ast_Type(ptr %a235, ptr %a234)
+  %t236 = load %S.ast.Type, ptr %a235
+  %t237 = insertvalue %S.gen.Val %t231, %S.ast.Type %t236, 1
+  %t238 = load ptr, ptr %a1
+  %t239 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t240 = load %S.ast.Type, ptr %t239
+  %t241 = call i1 @finch.gen.owning(ptr %t238, %S.ast.Type %t240)
+  %t242 = insertvalue %S.gen.Val %t237, i1 %t241, 2
+  call void @finch_str_drop(ptr %a140)
+  call void @finch_str_drop(ptr %a112)
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t242
+endif8079:
+  %t243 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t244 = getelementptr inbounds %S.ast.Type, ptr %t243, i32 0, i32 0
+  %t245 = load { ptr, i64, i64 }, ptr %t244
+  store { ptr, i64, i64 } %t245, ptr %a246
+  store { ptr, i64, i64 } { ptr @.str.5298, i64 4, i64 0 }, ptr %a247
+  %t248 = call i32 @finch_str_eq(ptr %a246, ptr %a247)
+  %t249 = icmp ne i32 %t248, 0
+  br i1 %t249, label %then8087, label %endif8089
+then8087:
+  %t250 = load ptr, ptr %a1
+  %t251 = load { ptr, i64, i64 }, ptr %a106
+  call void @finch.gen.emit(ptr %t250, { ptr, i64, i64 } %t251)
+  %t252 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t253 = load %S.ast.Type, ptr %t252
+  store %S.ast.Type %t253, ptr %a254
+  call void @finch.copy.S_ast_Type(ptr %a255, ptr %a254)
+  %t256 = load %S.ast.Type, ptr %a255
+  %t257 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t256, 1
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t257
+endif8089:
+  %t258 = load ptr, ptr %a1
+  %t259 = load { ptr, i64, i64 }, ptr %a106
+  %t260 = call { ptr, i64, i64 } @finch.gen.op(ptr %t258, { ptr, i64, i64 } %t259)
+  %t261 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t260, 0
+  %t262 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t263 = load %S.ast.Type, ptr %t262
+  store %S.ast.Type %t263, ptr %a264
+  call void @finch.copy.S_ast_Type(ptr %a265, ptr %a264)
+  %t266 = load %S.ast.Type, ptr %a265
+  %t267 = insertvalue %S.gen.Val %t261, %S.ast.Type %t266, 1
+  %t268 = load ptr, ptr %a1
+  %t269 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t270 = load %S.ast.Type, ptr %t269
+  %t271 = call i1 @finch.gen.owning(ptr %t268, %S.ast.Type %t270)
+  %t272 = insertvalue %S.gen.Val %t267, i1 %t271, 2
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t272
 }
 
 define internal %S.gen.Val @finch.gen.construct(ptr %p0, i64 %p1, { ptr, i64, i64 } %p2, { ptr, i64, i64 } %p3, %S.ast.Node %p4) {
@@ -69442,138 +82642,188 @@ entry:
   %a20 = alloca %S.ast.Node, align 16
   %a43 = alloca %S.ast.Node, align 16
   %a44 = alloca %S.ast.Node, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca %S.ast.Type, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca i1, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca i64, align 16
-  %a93 = alloca i64, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca %S.ast.Node, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca %S.ast.Type, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca i1, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca i64, align 16
+  %a95 = alloca i64, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca i64, align 16
-  %a185 = alloca i64, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca i64, align 16
   %a196 = alloca i64, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca i64, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca i64, align 16
-  %a283 = alloca %S.ast.Type, align 16
-  %a284 = alloca %S.ast.Type, align 16
-  %a286 = alloca %S.ast.Type, align 16
-  %a287 = alloca %S.gen.Val, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a336 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca i64, align 16
+  %a294 = alloca i64, align 16
+  %a305 = alloca %S.ast.Type, align 16
+  %a306 = alloca %S.ast.Type, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a309 = alloca %S.gen.Val, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca %S.gen.Val, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca %S.gen.Val, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
-  %a397 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
   %a407 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a465 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a478 = alloca { ptr, i64, i64 }, align 16
-  %a479 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
   %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
   %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
-  %a508 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
-  %a510 = alloca { ptr, i64, i64 }, align 16
-  %a513 = alloca { ptr, i64, i64 }, align 16
-  %a514 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca %S.gen.Val, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca %S.gen.Val, align 16
   %a518 = alloca { ptr, i64, i64 }, align 16
   %a519 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
-  %a525 = alloca { ptr, i64, i64 }, align 16
-  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
   %a528 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a531 = alloca { ptr, i64, i64 }, align 16
   %a536 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
   %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
   %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca %S.ast.Type, align 16
-  %a567 = alloca %S.ast.Type, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca %S.ast.Type, align 16
+  %a562 = alloca %S.ast.Type, align 16
+  %a566 = alloca %S.gen.Val, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a598 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a610 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a639 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a644 = alloca %S.ast.Type, align 16
+  %a645 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -69581,21 +82831,21 @@ entry:
   store %S.ast.Node %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic7681, label %ok7682
-panic7681:
-  call void @finch_panic(ptr @.str.5111, i64 4570, ptr @.str.5112)
+  br i1 %t7, label %panic8090, label %ok8091
+panic8090:
+  call void @finch_panic(ptr @.str.5299, i64 4920, ptr @.str.5300)
   unreachable
-ok7682:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 15
+ok8091:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
   %t9 = load i64, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range7683, label %inrange7684
-range7683:
-  call void @finch_panic_index(ptr @.str.5113, i64 4570, i64 %t9, i64 %t11)
+  br i1 %t12, label %range8092, label %inrange8093
+range8092:
+  call void @finch_panic_index(ptr @.str.5301, i64 4920, i64 %t9, i64 %t11)
   unreachable
-inrange7684:
+inrange8093:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.StructDef, ptr %t13, i64 %t9
   %t15 = load %S.gen.StructDef, ptr %t14
@@ -69607,26 +82857,26 @@ inrange7684:
   %t21 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 2
   %t22 = load i1, ptr %t21
   %t23 = xor i1 %t22, true
-  br i1 %t23, label %then7685, label %endif7687
-then7685:
+  br i1 %t23, label %then8094, label %endif8096
+then8094:
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic7688, label %ok7689
-panic7688:
-  call void @finch_panic(ptr @.str.5114, i64 4573, ptr @.str.5115)
+  br i1 %t25, label %panic8097, label %ok8098
+panic8097:
+  call void @finch_panic(ptr @.str.5302, i64 4923, ptr @.str.5303)
   unreachable
-ok7689:
+ok8098:
   %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 13
   %t28 = load i64, ptr %t27
   %t29 = load { ptr, i64, i64 }, ptr %t26
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 %t28, %t30
-  br i1 %t31, label %range7690, label %inrange7691
-range7690:
-  call void @finch_panic_index(ptr @.str.5116, i64 4573, i64 %t28, i64 %t30)
+  br i1 %t31, label %range8099, label %inrange8100
+range8099:
+  call void @finch_panic_index(ptr @.str.5304, i64 4923, i64 %t28, i64 %t30)
   unreachable
-inrange7691:
+inrange8100:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.ast.Program, ptr %t32, i64 %t28
   %t34 = getelementptr inbounds %S.ast.Program, ptr %t33, i32 0, i32 6
@@ -69635,842 +82885,987 @@ inrange7691:
   %t37 = load { ptr, i64, i64 }, ptr %t34
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range7692, label %inrange7693
-range7692:
-  call void @finch_panic_index(ptr @.str.5117, i64 4573, i64 %t36, i64 %t38)
+  br i1 %t39, label %range8101, label %inrange8102
+range8101:
+  call void @finch_panic_index(ptr @.str.5305, i64 4923, i64 %t36, i64 %t38)
   unreachable
-inrange7693:
+inrange8102:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t36
   %t42 = load %S.ast.Node, ptr %t41
   store %S.ast.Node %t42, ptr %a43
   call void @finch.copy.S_ast_Node(ptr %a44, ptr %a43)
   %t45 = load %S.ast.Node, ptr %a44
+  %t46 = load %S.ast.Node, ptr %a20
   store %S.ast.Node %t45, ptr %a20
-  br label %endif7687
-endif7687:
-  %t46 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.5118, i64 6, i64 0 }, 0
-  %t47 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  store { ptr, i64, i64 } %t48, ptr %a49
-  call void @finch_str_copy(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  %t52 = insertvalue %S.ast.Type %t46, { ptr, i64, i64 } %t51, 2
-  %t53 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  store { ptr, i64, i64 } %t54, ptr %a55
-  call void @finch_str_copy(ptr %a56, ptr %a55)
-  %t57 = load { ptr, i64, i64 }, ptr %a56
-  %t58 = insertvalue %S.ast.Type %t52, { ptr, i64, i64 } %t57, 3
-  store %S.ast.Type %t58, ptr %a59
-  %t60 = load ptr, ptr %a1
-  %t61 = load %S.ast.Type, ptr %a59
-  %t62 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t60, %S.ast.Type %t61)
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t65 = load i64, ptr %t64
-  %t66 = icmp sgt i64 %t65, 0
-  br label %logic.from7694
-logic.from7694:
-  br i1 %t66, label %logic.rhs7695, label %logic.end7696
-logic.rhs7695:
-  %t67 = load { ptr, i64, i64 }, ptr %a4
-  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
-  %t69 = icmp uge i64 0, %t68
-  br i1 %t69, label %range7697, label %inrange7698
-range7697:
-  call void @finch_panic_index(ptr @.str.5119, i64 4577, i64 0, i64 %t68)
+  store %S.ast.Node %t46, ptr %a47
+  call void @finch.drop.S_ast_Node(ptr %a47)
+  br label %endif8096
+endif8096:
+  %t48 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.5306, i64 6, i64 0 }, 0
+  %t49 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_copy(ptr %a52, ptr %a51)
+  %t53 = load { ptr, i64, i64 }, ptr %a52
+  %t54 = insertvalue %S.ast.Type %t48, { ptr, i64, i64 } %t53, 2
+  %t55 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
+  %t56 = load { ptr, i64, i64 }, ptr %t55
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_copy(ptr %a58, ptr %a57)
+  %t59 = load { ptr, i64, i64 }, ptr %a58
+  %t60 = insertvalue %S.ast.Type %t54, { ptr, i64, i64 } %t59, 3
+  store %S.ast.Type %t60, ptr %a61
+  %t62 = load ptr, ptr %a1
+  %t63 = load %S.ast.Type, ptr %a61
+  %t64 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t62, %S.ast.Type %t63)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t67 = load i64, ptr %t66
+  %t68 = icmp sgt i64 %t67, 0
+  br label %logic.from8103
+logic.from8103:
+  br i1 %t68, label %logic.rhs8104, label %logic.end8105
+logic.rhs8104:
+  %t69 = load { ptr, i64, i64 }, ptr %a4
+  %t70 = extractvalue { ptr, i64, i64 } %t69, 1
+  %t71 = icmp uge i64 0, %t70
+  br i1 %t71, label %range8106, label %inrange8107
+range8106:
+  call void @finch_panic_index(ptr @.str.5307, i64 4927, i64 0, i64 %t70)
   unreachable
-inrange7698:
-  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
-  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 0
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i32 0, i32 1
-  %t73 = load i64, ptr %t72
-  %t74 = icmp sgt i64 %t73, 0
-  br label %logic.rend7699
-logic.rend7699:
-  br label %logic.end7696
-logic.end7696:
-  %t75 = phi i1 [ false, %logic.from7694 ], [ %t74, %logic.rend7699 ]
-  store i1 %t75, ptr %a76
-  store { ptr, i64, i64 } zeroinitializer, ptr %a77
-  %t78 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i32 0, i32 1
-  %t80 = load i64, ptr %t79
-  store i64 0, ptr %a81
-  br label %for.cond7700
-for.cond7700:
-  %t82 = load i64, ptr %a81
-  %t83 = icmp slt i64 %t82, %t80
-  br i1 %t83, label %for.body7701, label %for.end7703
-for.body7701:
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %a77, i32 0, i32 1
-  %t85 = load i64, ptr %t84
-  %t86 = add i64 %t85, 1
-  call void @finch_arr_reserve(ptr %a77, i64 %t86, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t87 = load ptr, ptr %a77
-  %t88 = getelementptr inbounds i64, ptr %t87, i64 %t85
-  store i64 -1, ptr %t88
-  store i64 %t86, ptr %t84
-  br label %for.step7702
-for.step7702:
-  %t89 = load i64, ptr %a81
-  %t90 = add i64 %t89, 1
-  store i64 %t90, ptr %a81
-  br label %for.cond7700
-for.end7703:
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t92 = load i64, ptr %t91
-  store i64 0, ptr %a93
-  br label %for.cond7704
-for.cond7704:
-  %t94 = load i64, ptr %a93
-  %t95 = icmp slt i64 %t94, %t92
-  br i1 %t95, label %for.body7705, label %for.end7707
-for.body7705:
-  %t96 = load i64, ptr %a93
-  %t97 = load { ptr, i64, i64 }, ptr %a4
-  %t98 = extractvalue { ptr, i64, i64 } %t97, 1
-  %t99 = icmp uge i64 %t96, %t98
-  br i1 %t99, label %range7708, label %inrange7709
-range7708:
-  call void @finch_panic_index(ptr @.str.5120, i64 4583, i64 %t96, i64 %t98)
+inrange8107:
+  %t72 = extractvalue { ptr, i64, i64 } %t69, 0
+  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i64 0
+  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
+  %t75 = load i64, ptr %t74
+  %t76 = icmp sgt i64 %t75, 0
+  br label %logic.rend8108
+logic.rend8108:
+  br label %logic.end8105
+logic.end8105:
+  %t77 = phi i1 [ false, %logic.from8103 ], [ %t76, %logic.rend8108 ]
+  store i1 %t77, ptr %a78
+  store { ptr, i64, i64 } zeroinitializer, ptr %a79
+  %t80 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %t80, i32 0, i32 1
+  %t82 = load i64, ptr %t81
+  store i64 0, ptr %a83
+  br label %for.cond8109
+for.cond8109:
+  %t84 = load i64, ptr %a83
+  %t85 = icmp slt i64 %t84, %t82
+  br i1 %t85, label %for.body8110, label %for.end8112
+for.body8110:
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %a79, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = add i64 %t87, 1
+  call void @finch_arr_reserve(ptr %a79, i64 %t88, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t89 = load ptr, ptr %a79
+  %t90 = getelementptr inbounds i64, ptr %t89, i64 %t87
+  store i64 -1, ptr %t90
+  store i64 %t88, ptr %t86
+  br label %for.step8111
+for.step8111:
+  %t91 = load i64, ptr %a83
+  %t92 = add i64 %t91, 1
+  store i64 %t92, ptr %a83
+  br label %for.cond8109
+for.end8112:
+  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t94 = load i64, ptr %t93
+  store i64 0, ptr %a95
+  br label %for.cond8113
+for.cond8113:
+  %t96 = load i64, ptr %a95
+  %t97 = icmp slt i64 %t96, %t94
+  br i1 %t97, label %for.body8114, label %for.end8116
+for.body8114:
+  %t98 = load i64, ptr %a95
+  %t99 = load { ptr, i64, i64 }, ptr %a4
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 %t98, %t100
+  br i1 %t101, label %range8117, label %inrange8118
+range8117:
+  call void @finch_panic_index(ptr @.str.5308, i64 4933, i64 %t98, i64 %t100)
   unreachable
-inrange7709:
-  %t100 = extractvalue { ptr, i64, i64 } %t97, 0
-  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i64 %t96
-  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t101, i32 0, i32 1
-  %t103 = load i64, ptr %t102
-  %t104 = icmp sgt i64 %t103, 0
-  %t105 = load i1, ptr %a76
-  %t106 = icmp ne i1 %t104, %t105
-  br i1 %t106, label %then7710, label %endif7712
-then7710:
-  %t107 = load ptr, ptr %a1
-  %t108 = load i64, ptr %a93
-  %t109 = load { ptr, i64, i64 }, ptr %a3
-  %t110 = extractvalue { ptr, i64, i64 } %t109, 1
-  %t111 = icmp uge i64 %t108, %t110
-  br i1 %t111, label %range7713, label %inrange7714
-range7713:
-  call void @finch_panic_index(ptr @.str.5121, i64 4584, i64 %t108, i64 %t110)
+inrange8118:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i64 %t98
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i32 0, i32 1
+  %t105 = load i64, ptr %t104
+  %t106 = icmp sgt i64 %t105, 0
+  %t107 = load i1, ptr %a78
+  %t108 = icmp ne i1 %t106, %t107
+  br i1 %t108, label %then8119, label %endif8121
+then8119:
+  %t109 = load ptr, ptr %a1
+  %t110 = load i64, ptr %a95
+  %t111 = load { ptr, i64, i64 }, ptr %a3
+  %t112 = extractvalue { ptr, i64, i64 } %t111, 1
+  %t113 = icmp uge i64 %t110, %t112
+  br i1 %t113, label %range8122, label %inrange8123
+range8122:
+  call void @finch_panic_index(ptr @.str.5309, i64 4934, i64 %t110, i64 %t112)
   unreachable
-inrange7714:
-  %t112 = extractvalue { ptr, i64, i64 } %t109, 0
-  %t113 = getelementptr inbounds %S.ast.Node, ptr %t112, i64 %t108
-  %t114 = load %S.ast.Node, ptr %t113
-  call void @finch.gen.fail(ptr %t107, %S.ast.Node %t114, { ptr, i64, i64 } { ptr @.str.5122, i64 69, i64 0 })
-  br label %endif7712
-endif7712:
-  %t115 = load i1, ptr %a76
-  %t116 = xor i1 %t115, true
-  br i1 %t116, label %then7715, label %endif7717
-then7715:
-  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t118 = load i64, ptr %t117
-  %t119 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
-  %t121 = load i64, ptr %t120
-  %t122 = icmp ne i64 %t118, %t121
-  br i1 %t122, label %then7718, label %endif7720
-then7718:
-  %t123 = load ptr, ptr %a1
-  %t124 = load %S.ast.Node, ptr %a5
-  %t125 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.5123, i64 5, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  %t131 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t133 = load i64, ptr %t132
-  call void @finch_str_from_int(ptr %a134, i64 %t133)
-  %t135 = load { ptr, i64, i64 }, ptr %a134
-  store { ptr, i64, i64 } %t130, ptr %a137
-  store { ptr, i64, i64 } %t135, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  store { ptr, i64, i64 } %t139, ptr %a141
-  store { ptr, i64, i64 } { ptr @.str.5124, i64 17, i64 0 }, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t145 = load i64, ptr %t144
-  call void @finch_str_from_int(ptr %a146, i64 %t145)
-  %t147 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t143, ptr %a149
-  store { ptr, i64, i64 } %t147, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } %t151, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.5125, i64 23, i64 0 }, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  %t156 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  store { ptr, i64, i64 } %t155, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  store { ptr, i64, i64 } %t161, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.5126, i64 15, i64 0 }, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  call void @finch.gen.fail(ptr %t123, %S.ast.Node %t124, { ptr, i64, i64 } %t165)
-  br label %endif7720
-endif7720:
-  %t166 = load i64, ptr %a93
-  %t167 = load i64, ptr %a93
-  %t168 = load { ptr, i64, i64 }, ptr %a77
-  %t169 = extractvalue { ptr, i64, i64 } %t168, 1
-  %t170 = icmp uge i64 %t167, %t169
-  br i1 %t170, label %range7721, label %inrange7722
-range7721:
-  call void @finch_panic_index(ptr @.str.5127, i64 4590, i64 %t167, i64 %t169)
+inrange8123:
+  %t114 = extractvalue { ptr, i64, i64 } %t111, 0
+  %t115 = getelementptr inbounds %S.ast.Node, ptr %t114, i64 %t110
+  %t116 = load %S.ast.Node, ptr %t115
+  call void @finch.gen.fail(ptr %t109, %S.ast.Node %t116, { ptr, i64, i64 } { ptr @.str.5310, i64 69, i64 0 })
+  br label %endif8121
+endif8121:
+  %t117 = load i1, ptr %a78
+  %t118 = xor i1 %t117, true
+  br i1 %t118, label %then8124, label %endif8126
+then8124:
+  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t120 = load i64, ptr %t119
+  %t121 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %t121, i32 0, i32 1
+  %t123 = load i64, ptr %t122
+  %t124 = icmp ne i64 %t120, %t123
+  br i1 %t124, label %then8127, label %endif8129
+then8127:
+  %t125 = load ptr, ptr %a1
+  %t126 = load %S.ast.Node, ptr %a5
+  %t127 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a130
+  store { ptr, i64, i64 } { ptr @.str.5311, i64 5, i64 0 }, ptr %a131
+  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a129
+  %t133 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load i64, ptr %t134
+  call void @finch_str_from_int(ptr %a136, i64 %t135)
+  %t137 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t132, ptr %a139
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t132, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  store { ptr, i64, i64 } %t137, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a138
+  store { ptr, i64, i64 } %t143, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.5312, i64 17, i64 0 }, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  store { ptr, i64, i64 } %t143, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  %t148 = load { ptr, i64, i64 }, ptr %a144
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  call void @finch_str_from_int(ptr %a151, i64 %t150)
+  %t152 = load { ptr, i64, i64 }, ptr %a151
+  store { ptr, i64, i64 } %t148, ptr %a154
+  store { ptr, i64, i64 } %t152, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t148, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  store { ptr, i64, i64 } %t152, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a153
+  store { ptr, i64, i64 } %t158, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.5313, i64 23, i64 0 }, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  store { ptr, i64, i64 } %t158, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = load { ptr, i64, i64 }, ptr %a159
+  %t164 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  store { ptr, i64, i64 } %t163, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  store { ptr, i64, i64 } %t163, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t170, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.5314, i64 15, i64 0 }, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  store { ptr, i64, i64 } %t170, ptr %a174
+  call void @finch_str_drop(ptr %a174)
+  %t175 = load { ptr, i64, i64 }, ptr %a171
+  call void @finch.gen.fail(ptr %t125, %S.ast.Node %t126, { ptr, i64, i64 } %t175)
+  store { ptr, i64, i64 } %t175, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  br label %endif8129
+endif8129:
+  %t177 = load i64, ptr %a95
+  %t178 = load i64, ptr %a95
+  %t179 = load { ptr, i64, i64 }, ptr %a79
+  %t180 = extractvalue { ptr, i64, i64 } %t179, 1
+  %t181 = icmp uge i64 %t178, %t180
+  br i1 %t181, label %range8130, label %inrange8131
+range8130:
+  call void @finch_panic_index(ptr @.str.5315, i64 4940, i64 %t178, i64 %t180)
   unreachable
-inrange7722:
-  %t171 = extractvalue { ptr, i64, i64 } %t168, 0
-  %t172 = getelementptr inbounds i64, ptr %t171, i64 %t167
-  store i64 %t166, ptr %t172
-  br label %for.step7706
-endif7717:
-  %t173 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = load i64, ptr %a93
-  %t176 = load { ptr, i64, i64 }, ptr %a4
-  %t177 = extractvalue { ptr, i64, i64 } %t176, 1
-  %t178 = icmp uge i64 %t175, %t177
-  br i1 %t178, label %range7723, label %inrange7724
-range7723:
-  call void @finch_panic_index(ptr @.str.5128, i64 4593, i64 %t175, i64 %t177)
+inrange8131:
+  %t182 = extractvalue { ptr, i64, i64 } %t179, 0
+  %t183 = getelementptr inbounds i64, ptr %t182, i64 %t178
+  store i64 %t177, ptr %t183
+  br label %for.step8115
+endif8126:
+  %t184 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i32 0, i32 1
+  %t186 = load i64, ptr %a95
+  %t187 = load { ptr, i64, i64 }, ptr %a4
+  %t188 = extractvalue { ptr, i64, i64 } %t187, 1
+  %t189 = icmp uge i64 %t186, %t188
+  br i1 %t189, label %range8132, label %inrange8133
+range8132:
+  call void @finch_panic_index(ptr @.str.5316, i64 4943, i64 %t186, i64 %t188)
   unreachable
-inrange7724:
-  %t179 = extractvalue { ptr, i64, i64 } %t176, 0
-  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i64 %t175
-  %t181 = load { ptr, i64, i64 }, ptr %t180
-  store i64 -1, ptr %a182
-  %t183 = load i64, ptr %t174
-  %t184 = load ptr, ptr %t173
-  store i64 0, ptr %a185
-  br label %find.cond7725
-find.cond7725:
-  %t186 = load i64, ptr %a185
-  %t187 = icmp slt i64 %t186, %t183
-  br i1 %t187, label %find.body7726, label %find.end7729
-find.body7726:
-  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i64 %t186
-  %t189 = load { ptr, i64, i64 }, ptr %t188
-  store { ptr, i64, i64 } %t189, ptr %a190
-  store { ptr, i64, i64 } %t181, ptr %a191
-  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
-  %t193 = icmp ne i32 %t192, 0
-  br i1 %t193, label %find.hit7727, label %find.next7728
-find.hit7727:
-  store i64 %t186, ptr %a182
-  br label %find.end7729
-find.next7728:
-  %t194 = add i64 %t186, 1
-  store i64 %t194, ptr %a185
-  br label %find.cond7725
-find.end7729:
-  %t195 = load i64, ptr %a182
-  store i64 %t195, ptr %a196
+inrange8133:
+  %t190 = extractvalue { ptr, i64, i64 } %t187, 0
+  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t190, i64 %t186
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  store i64 -1, ptr %a193
+  %t194 = load i64, ptr %t185
+  %t195 = load ptr, ptr %t184
+  store i64 0, ptr %a196
+  br label %find.cond8134
+find.cond8134:
   %t197 = load i64, ptr %a196
-  %t198 = icmp slt i64 %t197, 0
-  br i1 %t198, label %then7730, label %endif7732
-then7730:
-  %t199 = load ptr, ptr %a1
-  %t200 = load i64, ptr %a93
-  %t201 = load { ptr, i64, i64 }, ptr %a3
-  %t202 = extractvalue { ptr, i64, i64 } %t201, 1
-  %t203 = icmp uge i64 %t200, %t202
-  br i1 %t203, label %range7733, label %inrange7734
-range7733:
-  call void @finch_panic_index(ptr @.str.5129, i64 4595, i64 %t200, i64 %t202)
+  %t198 = icmp slt i64 %t197, %t194
+  br i1 %t198, label %find.body8135, label %find.end8138
+find.body8135:
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t195, i64 %t197
+  %t200 = load { ptr, i64, i64 }, ptr %t199
+  store { ptr, i64, i64 } %t200, ptr %a201
+  store { ptr, i64, i64 } %t192, ptr %a202
+  %t203 = call i32 @finch_str_eq(ptr %a201, ptr %a202)
+  %t204 = icmp ne i32 %t203, 0
+  br i1 %t204, label %find.hit8136, label %find.next8137
+find.hit8136:
+  store i64 %t197, ptr %a193
+  br label %find.end8138
+find.next8137:
+  %t205 = add i64 %t197, 1
+  store i64 %t205, ptr %a196
+  br label %find.cond8134
+find.end8138:
+  %t206 = load i64, ptr %a193
+  store i64 %t206, ptr %a207
+  %t208 = load i64, ptr %a207
+  %t209 = icmp slt i64 %t208, 0
+  br i1 %t209, label %then8139, label %endif8141
+then8139:
+  %t210 = load ptr, ptr %a1
+  %t211 = load i64, ptr %a95
+  %t212 = load { ptr, i64, i64 }, ptr %a3
+  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
+  %t214 = icmp uge i64 %t211, %t213
+  br i1 %t214, label %range8142, label %inrange8143
+range8142:
+  call void @finch_panic_index(ptr @.str.5317, i64 4945, i64 %t211, i64 %t213)
   unreachable
-inrange7734:
-  %t204 = extractvalue { ptr, i64, i64 } %t201, 0
-  %t205 = getelementptr inbounds %S.ast.Node, ptr %t204, i64 %t200
-  %t206 = load %S.ast.Node, ptr %t205
-  %t207 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t208 = load { ptr, i64, i64 }, ptr %t207
-  store { ptr, i64, i64 } %t208, ptr %a210
-  store { ptr, i64, i64 } { ptr @.str.5130, i64 15, i64 0 }, ptr %a211
-  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
-  %t212 = load { ptr, i64, i64 }, ptr %a209
-  %t213 = load i64, ptr %a93
-  %t214 = load { ptr, i64, i64 }, ptr %a4
-  %t215 = extractvalue { ptr, i64, i64 } %t214, 1
-  %t216 = icmp uge i64 %t213, %t215
-  br i1 %t216, label %range7735, label %inrange7736
-range7735:
-  call void @finch_panic_index(ptr @.str.5131, i64 4595, i64 %t213, i64 %t215)
-  unreachable
-inrange7736:
-  %t217 = extractvalue { ptr, i64, i64 } %t214, 0
-  %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %t217, i64 %t213
+inrange8143:
+  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
+  %t216 = getelementptr inbounds %S.ast.Node, ptr %t215, i64 %t211
+  %t217 = load %S.ast.Node, ptr %t216
+  %t218 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
   %t219 = load { ptr, i64, i64 }, ptr %t218
-  store { ptr, i64, i64 } %t212, ptr %a221
-  store { ptr, i64, i64 } %t219, ptr %a222
+  store { ptr, i64, i64 } %t219, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.5318, i64 15, i64 0 }, ptr %a222
   call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
   %t223 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t223, ptr %a225
-  store { ptr, i64, i64 } { ptr @.str.5132, i64 1, i64 0 }, ptr %a226
-  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  call void @finch.gen.fail(ptr %t199, %S.ast.Node %t206, { ptr, i64, i64 } %t227)
-  br label %endif7732
-endif7732:
-  %t228 = load i64, ptr %a196
-  %t229 = load { ptr, i64, i64 }, ptr %a77
-  %t230 = extractvalue { ptr, i64, i64 } %t229, 1
-  %t231 = icmp uge i64 %t228, %t230
-  br i1 %t231, label %range7737, label %inrange7738
-range7737:
-  call void @finch_panic_index(ptr @.str.5133, i64 4597, i64 %t228, i64 %t230)
+  %t224 = load i64, ptr %a95
+  %t225 = load { ptr, i64, i64 }, ptr %a4
+  %t226 = extractvalue { ptr, i64, i64 } %t225, 1
+  %t227 = icmp uge i64 %t224, %t226
+  br i1 %t227, label %range8144, label %inrange8145
+range8144:
+  call void @finch_panic_index(ptr @.str.5319, i64 4945, i64 %t224, i64 %t226)
   unreachable
-inrange7738:
-  %t232 = extractvalue { ptr, i64, i64 } %t229, 0
-  %t233 = getelementptr inbounds i64, ptr %t232, i64 %t228
-  %t234 = load i64, ptr %t233
-  %t235 = icmp sge i64 %t234, 0
-  br i1 %t235, label %then7739, label %endif7741
-then7739:
-  %t236 = load ptr, ptr %a1
-  %t237 = load i64, ptr %a93
-  %t238 = load { ptr, i64, i64 }, ptr %a3
-  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
-  %t240 = icmp uge i64 %t237, %t239
-  br i1 %t240, label %range7742, label %inrange7743
-range7742:
-  call void @finch_panic_index(ptr @.str.5134, i64 4598, i64 %t237, i64 %t239)
+inrange8145:
+  %t228 = extractvalue { ptr, i64, i64 } %t225, 0
+  %t229 = getelementptr inbounds { ptr, i64, i64 }, ptr %t228, i64 %t224
+  %t230 = load { ptr, i64, i64 }, ptr %t229
+  store { ptr, i64, i64 } %t223, ptr %a232
+  store { ptr, i64, i64 } %t230, ptr %a233
+  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
+  store { ptr, i64, i64 } %t223, ptr %a234
+  call void @finch_str_drop(ptr %a234)
+  %t235 = load { ptr, i64, i64 }, ptr %a231
+  store { ptr, i64, i64 } %t235, ptr %a237
+  store { ptr, i64, i64 } { ptr @.str.5320, i64 1, i64 0 }, ptr %a238
+  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
+  store { ptr, i64, i64 } %t235, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  %t240 = load { ptr, i64, i64 }, ptr %a236
+  call void @finch.gen.fail(ptr %t210, %S.ast.Node %t217, { ptr, i64, i64 } %t240)
+  store { ptr, i64, i64 } %t240, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  br label %endif8141
+endif8141:
+  %t242 = load i64, ptr %a207
+  %t243 = load { ptr, i64, i64 }, ptr %a79
+  %t244 = extractvalue { ptr, i64, i64 } %t243, 1
+  %t245 = icmp uge i64 %t242, %t244
+  br i1 %t245, label %range8146, label %inrange8147
+range8146:
+  call void @finch_panic_index(ptr @.str.5321, i64 4947, i64 %t242, i64 %t244)
   unreachable
-inrange7743:
-  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
-  %t242 = getelementptr inbounds %S.ast.Node, ptr %t241, i64 %t237
-  %t243 = load %S.ast.Node, ptr %t242
-  %t244 = load i64, ptr %a93
-  %t245 = load { ptr, i64, i64 }, ptr %a4
-  %t246 = extractvalue { ptr, i64, i64 } %t245, 1
-  %t247 = icmp uge i64 %t244, %t246
-  br i1 %t247, label %range7744, label %inrange7745
-range7744:
-  call void @finch_panic_index(ptr @.str.5136, i64 4598, i64 %t244, i64 %t246)
+inrange8147:
+  %t246 = extractvalue { ptr, i64, i64 } %t243, 0
+  %t247 = getelementptr inbounds i64, ptr %t246, i64 %t242
+  %t248 = load i64, ptr %t247
+  %t249 = icmp sge i64 %t248, 0
+  br i1 %t249, label %then8148, label %endif8150
+then8148:
+  %t250 = load ptr, ptr %a1
+  %t251 = load i64, ptr %a95
+  %t252 = load { ptr, i64, i64 }, ptr %a3
+  %t253 = extractvalue { ptr, i64, i64 } %t252, 1
+  %t254 = icmp uge i64 %t251, %t253
+  br i1 %t254, label %range8151, label %inrange8152
+range8151:
+  call void @finch_panic_index(ptr @.str.5322, i64 4948, i64 %t251, i64 %t253)
   unreachable
-inrange7745:
-  %t248 = extractvalue { ptr, i64, i64 } %t245, 0
-  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i64 %t244
-  %t250 = load { ptr, i64, i64 }, ptr %t249
-  store { ptr, i64, i64 } { ptr @.str.5135, i64 11, i64 0 }, ptr %a252
-  store { ptr, i64, i64 } %t250, ptr %a253
-  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
-  %t254 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } %t254, ptr %a256
-  store { ptr, i64, i64 } { ptr @.str.5137, i64 16, i64 0 }, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  call void @finch.gen.fail(ptr %t236, %S.ast.Node %t243, { ptr, i64, i64 } %t258)
-  br label %endif7741
-endif7741:
-  %t259 = load i64, ptr %a93
-  %t260 = load i64, ptr %a196
-  %t261 = load { ptr, i64, i64 }, ptr %a77
-  %t262 = extractvalue { ptr, i64, i64 } %t261, 1
-  %t263 = icmp uge i64 %t260, %t262
-  br i1 %t263, label %range7746, label %inrange7747
-range7746:
-  call void @finch_panic_index(ptr @.str.5138, i64 4600, i64 %t260, i64 %t262)
+inrange8152:
+  %t255 = extractvalue { ptr, i64, i64 } %t252, 0
+  %t256 = getelementptr inbounds %S.ast.Node, ptr %t255, i64 %t251
+  %t257 = load %S.ast.Node, ptr %t256
+  %t258 = load i64, ptr %a95
+  %t259 = load { ptr, i64, i64 }, ptr %a4
+  %t260 = extractvalue { ptr, i64, i64 } %t259, 1
+  %t261 = icmp uge i64 %t258, %t260
+  br i1 %t261, label %range8153, label %inrange8154
+range8153:
+  call void @finch_panic_index(ptr @.str.5324, i64 4948, i64 %t258, i64 %t260)
   unreachable
-inrange7747:
-  %t264 = extractvalue { ptr, i64, i64 } %t261, 0
-  %t265 = getelementptr inbounds i64, ptr %t264, i64 %t260
-  store i64 %t259, ptr %t265
-  br label %for.step7706
-for.step7706:
-  %t266 = load i64, ptr %a93
-  %t267 = add i64 %t266, 1
-  store i64 %t267, ptr %a93
-  br label %for.cond7704
-for.end7707:
-  store { ptr, i64, i64 } { ptr @.str.5139, i64 15, i64 0 }, ptr %a268
-  %t269 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i32 0, i32 1
-  %t271 = load i64, ptr %t270
-  store i64 0, ptr %a272
-  br label %for.cond7748
-for.cond7748:
-  %t273 = load i64, ptr %a272
-  %t274 = icmp slt i64 %t273, %t271
-  br i1 %t274, label %for.body7749, label %for.end7751
-for.body7749:
-  %t275 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 12
-  %t276 = load i64, ptr %a272
-  %t277 = load { ptr, i64, i64 }, ptr %t275
+inrange8154:
+  %t262 = extractvalue { ptr, i64, i64 } %t259, 0
+  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 %t258
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  store { ptr, i64, i64 } { ptr @.str.5323, i64 11, i64 0 }, ptr %a266
+  store { ptr, i64, i64 } %t264, ptr %a267
+  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a265
+  store { ptr, i64, i64 } %t268, ptr %a270
+  store { ptr, i64, i64 } { ptr @.str.5325, i64 16, i64 0 }, ptr %a271
+  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
+  store { ptr, i64, i64 } %t268, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a269
+  call void @finch.gen.fail(ptr %t250, %S.ast.Node %t257, { ptr, i64, i64 } %t273)
+  store { ptr, i64, i64 } %t273, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  br label %endif8150
+endif8150:
+  %t275 = load i64, ptr %a95
+  %t276 = load i64, ptr %a207
+  %t277 = load { ptr, i64, i64 }, ptr %a79
   %t278 = extractvalue { ptr, i64, i64 } %t277, 1
   %t279 = icmp uge i64 %t276, %t278
-  br i1 %t279, label %range7752, label %inrange7753
-range7752:
-  call void @finch_panic_index(ptr @.str.5140, i64 4604, i64 %t276, i64 %t278)
+  br i1 %t279, label %range8155, label %inrange8156
+range8155:
+  call void @finch_panic_index(ptr @.str.5326, i64 4950, i64 %t276, i64 %t278)
   unreachable
-inrange7753:
+inrange8156:
   %t280 = extractvalue { ptr, i64, i64 } %t277, 0
-  %t281 = getelementptr inbounds %S.ast.Type, ptr %t280, i64 %t276
-  %t282 = load %S.ast.Type, ptr %t281
-  store %S.ast.Type %t282, ptr %a283
-  call void @finch.copy.S_ast_Type(ptr %a284, ptr %a283)
-  %t285 = load %S.ast.Type, ptr %a284
-  store %S.ast.Type %t285, ptr %a286
-  store %S.gen.Val zeroinitializer, ptr %a287
-  %t288 = load i64, ptr %a272
-  %t289 = load { ptr, i64, i64 }, ptr %a77
-  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
-  %t291 = icmp uge i64 %t288, %t290
-  br i1 %t291, label %range7754, label %inrange7755
-range7754:
-  call void @finch_panic_index(ptr @.str.5141, i64 4606, i64 %t288, i64 %t290)
+  %t281 = getelementptr inbounds i64, ptr %t280, i64 %t276
+  store i64 %t275, ptr %t281
+  br label %for.step8115
+for.step8115:
+  %t282 = load i64, ptr %a95
+  %t283 = add i64 %t282, 1
+  store i64 %t283, ptr %a95
+  br label %for.cond8113
+for.end8116:
+  store { ptr, i64, i64 } { ptr @.str.5327, i64 15, i64 0 }, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = icmp eq ptr %t285, null
+  br i1 %t286, label %panic8157, label %ok8158
+panic8157:
+  call void @finch_panic(ptr @.str.5328, i64 4953, ptr @.str.5329)
   unreachable
-inrange7755:
-  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
-  %t293 = getelementptr inbounds i64, ptr %t292, i64 %t288
-  %t294 = load i64, ptr %t293
-  %t295 = icmp sge i64 %t294, 0
-  br i1 %t295, label %then7756, label %else7757
-then7756:
-  %t296 = load ptr, ptr %a1
-  %t297 = load ptr, ptr %a1
-  %t298 = load i64, ptr %a272
-  %t299 = load { ptr, i64, i64 }, ptr %a77
+ok8158:
+  %t287 = getelementptr inbounds %S.gen.Gen, ptr %t285, i32 0, i32 11
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i32 0, i32 1
+  %t289 = load i64, ptr %t288
+  store i64 %t289, ptr %a290
+  %t291 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t292 = getelementptr inbounds { ptr, i64, i64 }, ptr %t291, i32 0, i32 1
+  %t293 = load i64, ptr %t292
+  store i64 0, ptr %a294
+  br label %for.cond8159
+for.cond8159:
+  %t295 = load i64, ptr %a294
+  %t296 = icmp slt i64 %t295, %t293
+  br i1 %t296, label %for.body8160, label %for.end8162
+for.body8160:
+  %t297 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 12
+  %t298 = load i64, ptr %a294
+  %t299 = load { ptr, i64, i64 }, ptr %t297
   %t300 = extractvalue { ptr, i64, i64 } %t299, 1
   %t301 = icmp uge i64 %t298, %t300
-  br i1 %t301, label %range7759, label %inrange7760
-range7759:
-  call void @finch_panic_index(ptr @.str.5142, i64 4607, i64 %t298, i64 %t300)
+  br i1 %t301, label %range8163, label %inrange8164
+range8163:
+  call void @finch_panic_index(ptr @.str.5330, i64 4955, i64 %t298, i64 %t300)
   unreachable
-inrange7760:
+inrange8164:
   %t302 = extractvalue { ptr, i64, i64 } %t299, 0
-  %t303 = getelementptr inbounds i64, ptr %t302, i64 %t298
-  %t304 = load i64, ptr %t303
-  %t305 = load { ptr, i64, i64 }, ptr %a3
-  %t306 = extractvalue { ptr, i64, i64 } %t305, 1
-  %t307 = icmp uge i64 %t304, %t306
-  br i1 %t307, label %range7761, label %inrange7762
-range7761:
-  call void @finch_panic_index(ptr @.str.5143, i64 4607, i64 %t304, i64 %t306)
+  %t303 = getelementptr inbounds %S.ast.Type, ptr %t302, i64 %t298
+  %t304 = load %S.ast.Type, ptr %t303
+  store %S.ast.Type %t304, ptr %a305
+  call void @finch.copy.S_ast_Type(ptr %a306, ptr %a305)
+  %t307 = load %S.ast.Type, ptr %a306
+  store %S.ast.Type %t307, ptr %a308
+  store %S.gen.Val zeroinitializer, ptr %a309
+  %t310 = load i64, ptr %a294
+  %t311 = load { ptr, i64, i64 }, ptr %a79
+  %t312 = extractvalue { ptr, i64, i64 } %t311, 1
+  %t313 = icmp uge i64 %t310, %t312
+  br i1 %t313, label %range8165, label %inrange8166
+range8165:
+  call void @finch_panic_index(ptr @.str.5331, i64 4957, i64 %t310, i64 %t312)
   unreachable
-inrange7762:
-  %t308 = extractvalue { ptr, i64, i64 } %t305, 0
-  %t309 = getelementptr inbounds %S.ast.Node, ptr %t308, i64 %t304
-  %t310 = load %S.ast.Node, ptr %t309
-  %t311 = load %S.ast.Type, ptr %a286
-  %t312 = call %S.gen.Val @finch.gen.exprWant(ptr %t297, %S.ast.Node %t310, %S.ast.Type %t311)
-  %t313 = load %S.ast.Type, ptr %a286
-  %t314 = load i64, ptr %a272
-  %t315 = load { ptr, i64, i64 }, ptr %a77
-  %t316 = extractvalue { ptr, i64, i64 } %t315, 1
-  %t317 = icmp uge i64 %t314, %t316
-  br i1 %t317, label %range7763, label %inrange7764
-range7763:
-  call void @finch_panic_index(ptr @.str.5144, i64 4607, i64 %t314, i64 %t316)
-  unreachable
-inrange7764:
-  %t318 = extractvalue { ptr, i64, i64 } %t315, 0
-  %t319 = getelementptr inbounds i64, ptr %t318, i64 %t314
-  %t320 = load i64, ptr %t319
-  %t321 = load { ptr, i64, i64 }, ptr %a3
+inrange8166:
+  %t314 = extractvalue { ptr, i64, i64 } %t311, 0
+  %t315 = getelementptr inbounds i64, ptr %t314, i64 %t310
+  %t316 = load i64, ptr %t315
+  %t317 = icmp sge i64 %t316, 0
+  br i1 %t317, label %then8167, label %else8168
+then8167:
+  %t318 = load ptr, ptr %a1
+  %t319 = load ptr, ptr %a1
+  %t320 = load i64, ptr %a294
+  %t321 = load { ptr, i64, i64 }, ptr %a79
   %t322 = extractvalue { ptr, i64, i64 } %t321, 1
   %t323 = icmp uge i64 %t320, %t322
-  br i1 %t323, label %range7765, label %inrange7766
-range7765:
-  call void @finch_panic_index(ptr @.str.5145, i64 4607, i64 %t320, i64 %t322)
+  br i1 %t323, label %range8170, label %inrange8171
+range8170:
+  call void @finch_panic_index(ptr @.str.5332, i64 4958, i64 %t320, i64 %t322)
   unreachable
-inrange7766:
+inrange8171:
   %t324 = extractvalue { ptr, i64, i64 } %t321, 0
-  %t325 = getelementptr inbounds %S.ast.Node, ptr %t324, i64 %t320
-  %t326 = load %S.ast.Node, ptr %t325
-  %t327 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t328 = load i64, ptr %a272
-  %t329 = load { ptr, i64, i64 }, ptr %t327
-  %t330 = extractvalue { ptr, i64, i64 } %t329, 1
-  %t331 = icmp uge i64 %t328, %t330
-  br i1 %t331, label %range7767, label %inrange7768
-range7767:
-  call void @finch_panic_index(ptr @.str.5147, i64 4607, i64 %t328, i64 %t330)
+  %t325 = getelementptr inbounds i64, ptr %t324, i64 %t320
+  %t326 = load i64, ptr %t325
+  %t327 = load { ptr, i64, i64 }, ptr %a3
+  %t328 = extractvalue { ptr, i64, i64 } %t327, 1
+  %t329 = icmp uge i64 %t326, %t328
+  br i1 %t329, label %range8172, label %inrange8173
+range8172:
+  call void @finch_panic_index(ptr @.str.5333, i64 4958, i64 %t326, i64 %t328)
   unreachable
-inrange7768:
-  %t332 = extractvalue { ptr, i64, i64 } %t329, 0
-  %t333 = getelementptr inbounds { ptr, i64, i64 }, ptr %t332, i64 %t328
-  %t334 = load { ptr, i64, i64 }, ptr %t333
-  store { ptr, i64, i64 } { ptr @.str.5146, i64 11, i64 0 }, ptr %a336
-  store { ptr, i64, i64 } %t334, ptr %a337
-  call void @finch_str_concat(ptr %a335, ptr %a336, ptr %a337)
-  %t338 = load { ptr, i64, i64 }, ptr %a335
-  store { ptr, i64, i64 } %t338, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.5148, i64 1, i64 0 }, ptr %a341
-  call void @finch_str_concat(ptr %a339, ptr %a340, ptr %a341)
-  %t342 = load { ptr, i64, i64 }, ptr %a339
-  %t343 = call %S.gen.Val @finch.gen.coerce(ptr %t296, %S.gen.Val %t312, %S.ast.Type %t313, %S.ast.Node %t326, { ptr, i64, i64 } %t342)
-  store %S.gen.Val %t343, ptr %a287
-  br label %endif7758
-else7757:
-  %t344 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 2
-  %t345 = load i1, ptr %t344
-  %t346 = xor i1 %t345, true
-  br label %logic.from7769
-logic.from7769:
-  br i1 %t346, label %logic.rhs7770, label %logic.end7771
-logic.rhs7770:
-  %t347 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
-  %t348 = load i64, ptr %a272
-  %t349 = load { ptr, i64, i64 }, ptr %t347
-  %t350 = extractvalue { ptr, i64, i64 } %t349, 1
-  %t351 = icmp uge i64 %t348, %t350
-  br i1 %t351, label %range7772, label %inrange7773
-range7772:
-  call void @finch_panic_index(ptr @.str.5149, i64 4608, i64 %t348, i64 %t350)
+inrange8173:
+  %t330 = extractvalue { ptr, i64, i64 } %t327, 0
+  %t331 = getelementptr inbounds %S.ast.Node, ptr %t330, i64 %t326
+  %t332 = load %S.ast.Node, ptr %t331
+  %t333 = load %S.ast.Type, ptr %a308
+  %t334 = call %S.gen.Val @finch.gen.exprWant(ptr %t319, %S.ast.Node %t332, %S.ast.Type %t333)
+  %t335 = load %S.ast.Type, ptr %a308
+  %t336 = load i64, ptr %a294
+  %t337 = load { ptr, i64, i64 }, ptr %a79
+  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
+  %t339 = icmp uge i64 %t336, %t338
+  br i1 %t339, label %range8174, label %inrange8175
+range8174:
+  call void @finch_panic_index(ptr @.str.5334, i64 4958, i64 %t336, i64 %t338)
   unreachable
-inrange7773:
-  %t352 = extractvalue { ptr, i64, i64 } %t349, 0
-  %t353 = getelementptr inbounds %S.ast.Node, ptr %t352, i64 %t348
-  %t354 = getelementptr inbounds %S.ast.Node, ptr %t353, i32 0, i32 9
-  %t355 = getelementptr inbounds { ptr, i64, i64 }, ptr %t354, i32 0, i32 1
-  %t356 = load i64, ptr %t355
-  %t357 = icmp sgt i64 %t356, 0
-  br label %logic.rend7774
-logic.rend7774:
-  br label %logic.end7771
-logic.end7771:
-  %t358 = phi i1 [ false, %logic.from7769 ], [ %t357, %logic.rend7774 ]
-  br i1 %t358, label %then7775, label %else7776
-then7775:
-  %t359 = load ptr, ptr %a1
-  %t360 = icmp eq ptr %t359, null
-  br i1 %t360, label %panic7778, label %ok7779
-panic7778:
-  call void @finch_panic(ptr @.str.5150, i64 4610, ptr @.str.5151)
+inrange8175:
+  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
+  %t341 = getelementptr inbounds i64, ptr %t340, i64 %t336
+  %t342 = load i64, ptr %t341
+  %t343 = load { ptr, i64, i64 }, ptr %a3
+  %t344 = extractvalue { ptr, i64, i64 } %t343, 1
+  %t345 = icmp uge i64 %t342, %t344
+  br i1 %t345, label %range8176, label %inrange8177
+range8176:
+  call void @finch_panic_index(ptr @.str.5335, i64 4958, i64 %t342, i64 %t344)
   unreachable
-ok7779:
-  %t361 = getelementptr inbounds %S.gen.Gen, ptr %t359, i32 0, i32 10
-  %t362 = load { ptr, i64, i64 }, ptr %t361
-  store { ptr, i64, i64 } %t362, ptr %a363
-  call void @finch.copy.arr_S_gen_Scope(ptr %a364, ptr %a363)
-  %t365 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t365, ptr %a366
-  %t367 = load ptr, ptr %a1
-  %t368 = icmp eq ptr %t367, null
-  br i1 %t368, label %panic7780, label %ok7781
-panic7780:
-  call void @finch_panic(ptr @.str.5152, i64 4611, ptr @.str.5153)
+inrange8177:
+  %t346 = extractvalue { ptr, i64, i64 } %t343, 0
+  %t347 = getelementptr inbounds %S.ast.Node, ptr %t346, i64 %t342
+  %t348 = load %S.ast.Node, ptr %t347
+  %t349 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t350 = load i64, ptr %a294
+  %t351 = load { ptr, i64, i64 }, ptr %t349
+  %t352 = extractvalue { ptr, i64, i64 } %t351, 1
+  %t353 = icmp uge i64 %t350, %t352
+  br i1 %t353, label %range8178, label %inrange8179
+range8178:
+  call void @finch_panic_index(ptr @.str.5337, i64 4958, i64 %t350, i64 %t352)
   unreachable
-ok7781:
-  %t369 = getelementptr inbounds %S.gen.Gen, ptr %t367, i32 0, i32 13
-  %t370 = load { ptr, i64, i64 }, ptr %t369
-  store { ptr, i64, i64 } %t370, ptr %a371
-  call void @finch_str_copy(ptr %a372, ptr %a371)
-  %t373 = load { ptr, i64, i64 }, ptr %a372
-  store { ptr, i64, i64 } %t373, ptr %a374
-  %t375 = load ptr, ptr %a1
-  %t376 = icmp eq ptr %t375, null
-  br i1 %t376, label %panic7782, label %ok7783
-panic7782:
-  call void @finch_panic(ptr @.str.5154, i64 4612, ptr @.str.5155)
+inrange8179:
+  %t354 = extractvalue { ptr, i64, i64 } %t351, 0
+  %t355 = getelementptr inbounds { ptr, i64, i64 }, ptr %t354, i64 %t350
+  %t356 = load { ptr, i64, i64 }, ptr %t355
+  store { ptr, i64, i64 } { ptr @.str.5336, i64 11, i64 0 }, ptr %a358
+  store { ptr, i64, i64 } %t356, ptr %a359
+  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
+  %t360 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t360, ptr %a362
+  store { ptr, i64, i64 } { ptr @.str.5338, i64 1, i64 0 }, ptr %a363
+  call void @finch_str_concat(ptr %a361, ptr %a362, ptr %a363)
+  store { ptr, i64, i64 } %t360, ptr %a364
+  call void @finch_str_drop(ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a361
+  %t366 = call %S.gen.Val @finch.gen.coerce(ptr %t318, %S.gen.Val %t334, %S.ast.Type %t335, %S.ast.Node %t348, { ptr, i64, i64 } %t365)
+  store %S.gen.Val %t334, ptr %a367
+  call void @finch.drop.S_gen_Val(ptr %a367)
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_drop(ptr %a368)
+  %t369 = load %S.gen.Val, ptr %a309
+  store %S.gen.Val %t366, ptr %a309
+  store %S.gen.Val %t369, ptr %a370
+  call void @finch.drop.S_gen_Val(ptr %a370)
+  br label %endif8169
+else8168:
+  %t371 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 2
+  %t372 = load i1, ptr %t371
+  %t373 = xor i1 %t372, true
+  br label %logic.from8180
+logic.from8180:
+  br i1 %t373, label %logic.rhs8181, label %logic.end8182
+logic.rhs8181:
+  %t374 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
+  %t375 = load i64, ptr %a294
+  %t376 = load { ptr, i64, i64 }, ptr %t374
+  %t377 = extractvalue { ptr, i64, i64 } %t376, 1
+  %t378 = icmp uge i64 %t375, %t377
+  br i1 %t378, label %range8183, label %inrange8184
+range8183:
+  call void @finch_panic_index(ptr @.str.5339, i64 4959, i64 %t375, i64 %t377)
   unreachable
-ok7783:
-  %t377 = getelementptr inbounds %S.gen.Gen, ptr %t375, i32 0, i32 17
-  %t378 = load { ptr, i64, i64 }, ptr %t377
-  store { ptr, i64, i64 } %t378, ptr %a379
-  call void @finch.copy.arr_str(ptr %a380, ptr %a379)
-  %t381 = load { ptr, i64, i64 }, ptr %a380
-  store { ptr, i64, i64 } %t381, ptr %a382
-  %t383 = load ptr, ptr %a1
-  %t384 = icmp eq ptr %t383, null
-  br i1 %t384, label %panic7784, label %ok7785
-panic7784:
-  call void @finch_panic(ptr @.str.5156, i64 4613, ptr @.str.5157)
+inrange8184:
+  %t379 = extractvalue { ptr, i64, i64 } %t376, 0
+  %t380 = getelementptr inbounds %S.ast.Node, ptr %t379, i64 %t375
+  %t381 = getelementptr inbounds %S.ast.Node, ptr %t380, i32 0, i32 9
+  %t382 = getelementptr inbounds { ptr, i64, i64 }, ptr %t381, i32 0, i32 1
+  %t383 = load i64, ptr %t382
+  %t384 = icmp sgt i64 %t383, 0
+  br label %logic.rend8185
+logic.rend8185:
+  br label %logic.end8182
+logic.end8182:
+  %t385 = phi i1 [ false, %logic.from8180 ], [ %t384, %logic.rend8185 ]
+  br i1 %t385, label %then8186, label %else8187
+then8186:
+  %t386 = load ptr, ptr %a1
+  %t387 = icmp eq ptr %t386, null
+  br i1 %t387, label %panic8189, label %ok8190
+panic8189:
+  call void @finch_panic(ptr @.str.5340, i64 4961, ptr @.str.5341)
   unreachable
-ok7785:
-  %t385 = getelementptr inbounds %S.gen.Gen, ptr %t383, i32 0, i32 18
-  %t386 = load { ptr, i64, i64 }, ptr %t385
-  store { ptr, i64, i64 } %t386, ptr %a387
-  call void @finch.copy.arr_S_ast_Type(ptr %a388, ptr %a387)
-  %t389 = load { ptr, i64, i64 }, ptr %a388
+ok8190:
+  %t388 = getelementptr inbounds %S.gen.Gen, ptr %t386, i32 0, i32 10
+  %t389 = load { ptr, i64, i64 }, ptr %t388
   store { ptr, i64, i64 } %t389, ptr %a390
-  %t391 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 6
-  %t392 = load { ptr, i64, i64 }, ptr %t391
-  %t393 = load ptr, ptr %a1
-  %t394 = icmp eq ptr %t393, null
-  br i1 %t394, label %panic7786, label %ok7787
-panic7786:
-  call void @finch_panic(ptr @.str.5158, i64 4614, ptr @.str.5159)
+  call void @finch.copy.arr_S_gen_Scope(ptr %a391, ptr %a390)
+  %t392 = load { ptr, i64, i64 }, ptr %a391
+  store { ptr, i64, i64 } %t392, ptr %a393
+  %t394 = load ptr, ptr %a1
+  %t395 = icmp eq ptr %t394, null
+  br i1 %t395, label %panic8191, label %ok8192
+panic8191:
+  call void @finch_panic(ptr @.str.5342, i64 4962, ptr @.str.5343)
   unreachable
-ok7787:
-  %t395 = getelementptr inbounds %S.gen.Gen, ptr %t393, i32 0, i32 17
-  store { ptr, i64, i64 } %t392, ptr %a396
-  call void @finch.copy.arr_str(ptr %a397, ptr %a396)
-  %t398 = load { ptr, i64, i64 }, ptr %a397
-  store { ptr, i64, i64 } %t398, ptr %t395
-  %t399 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 7
-  %t400 = load { ptr, i64, i64 }, ptr %t399
-  %t401 = load ptr, ptr %a1
-  %t402 = icmp eq ptr %t401, null
-  br i1 %t402, label %panic7788, label %ok7789
-panic7788:
-  call void @finch_panic(ptr @.str.5160, i64 4615, ptr @.str.5161)
+ok8192:
+  %t396 = getelementptr inbounds %S.gen.Gen, ptr %t394, i32 0, i32 14
+  %t397 = load { ptr, i64, i64 }, ptr %t396
+  store { ptr, i64, i64 } %t397, ptr %a398
+  call void @finch_str_copy(ptr %a399, ptr %a398)
+  %t400 = load { ptr, i64, i64 }, ptr %a399
+  store { ptr, i64, i64 } %t400, ptr %a401
+  %t402 = load ptr, ptr %a1
+  %t403 = icmp eq ptr %t402, null
+  br i1 %t403, label %panic8193, label %ok8194
+panic8193:
+  call void @finch_panic(ptr @.str.5344, i64 4963, ptr @.str.5345)
   unreachable
-ok7789:
-  %t403 = getelementptr inbounds %S.gen.Gen, ptr %t401, i32 0, i32 18
-  store { ptr, i64, i64 } %t400, ptr %a404
-  call void @finch.copy.arr_S_ast_Type(ptr %a405, ptr %a404)
-  %t406 = load { ptr, i64, i64 }, ptr %a405
-  store { ptr, i64, i64 } %t406, ptr %t403
-  store { ptr, i64, i64 } zeroinitializer, ptr %a407
+ok8194:
+  %t404 = getelementptr inbounds %S.gen.Gen, ptr %t402, i32 0, i32 18
+  %t405 = load { ptr, i64, i64 }, ptr %t404
+  store { ptr, i64, i64 } %t405, ptr %a406
+  call void @finch.copy.arr_str(ptr %a407, ptr %a406)
   %t408 = load { ptr, i64, i64 }, ptr %a407
-  %t409 = load ptr, ptr %a1
-  %t410 = icmp eq ptr %t409, null
-  br i1 %t410, label %panic7790, label %ok7791
-panic7790:
-  call void @finch_panic(ptr @.str.5162, i64 4617, ptr @.str.5163)
+  store { ptr, i64, i64 } %t408, ptr %a409
+  %t410 = load ptr, ptr %a1
+  %t411 = icmp eq ptr %t410, null
+  br i1 %t411, label %panic8195, label %ok8196
+panic8195:
+  call void @finch_panic(ptr @.str.5346, i64 4964, ptr @.str.5347)
   unreachable
-ok7791:
-  %t411 = getelementptr inbounds %S.gen.Gen, ptr %t409, i32 0, i32 10
-  store { ptr, i64, i64 } %t408, ptr %a412
-  call void @finch.copy.arr_S_gen_Scope(ptr %a413, ptr %a412)
-  %t414 = load { ptr, i64, i64 }, ptr %a413
-  store { ptr, i64, i64 } %t414, ptr %t411
-  %t415 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t415)
-  %t416 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
-  %t417 = load { ptr, i64, i64 }, ptr %t416
-  %t418 = load ptr, ptr %a1
-  %t419 = icmp eq ptr %t418, null
-  br i1 %t419, label %panic7792, label %ok7793
-panic7792:
-  call void @finch_panic(ptr @.str.5164, i64 4619, ptr @.str.5165)
+ok8196:
+  %t412 = getelementptr inbounds %S.gen.Gen, ptr %t410, i32 0, i32 19
+  %t413 = load { ptr, i64, i64 }, ptr %t412
+  store { ptr, i64, i64 } %t413, ptr %a414
+  call void @finch.copy.arr_S_ast_Type(ptr %a415, ptr %a414)
+  %t416 = load { ptr, i64, i64 }, ptr %a415
+  store { ptr, i64, i64 } %t416, ptr %a417
+  %t418 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 6
+  %t419 = load { ptr, i64, i64 }, ptr %t418
+  %t420 = load ptr, ptr %a1
+  %t421 = icmp eq ptr %t420, null
+  br i1 %t421, label %panic8197, label %ok8198
+panic8197:
+  call void @finch_panic(ptr @.str.5348, i64 4965, ptr @.str.5349)
   unreachable
-ok7793:
-  %t420 = getelementptr inbounds %S.gen.Gen, ptr %t418, i32 0, i32 13
-  store { ptr, i64, i64 } %t417, ptr %a421
-  call void @finch_str_copy(ptr %a422, ptr %a421)
-  %t423 = load { ptr, i64, i64 }, ptr %a422
-  store { ptr, i64, i64 } %t423, ptr %t420
-  %t424 = load ptr, ptr %a1
-  %t425 = load ptr, ptr %a1
-  %t426 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
-  %t427 = load i64, ptr %a272
-  %t428 = load { ptr, i64, i64 }, ptr %t426
-  %t429 = extractvalue { ptr, i64, i64 } %t428, 1
-  %t430 = icmp uge i64 %t427, %t429
-  br i1 %t430, label %range7794, label %inrange7795
-range7794:
-  call void @finch_panic_index(ptr @.str.5166, i64 4620, i64 %t427, i64 %t429)
+ok8198:
+  %t422 = getelementptr inbounds %S.gen.Gen, ptr %t420, i32 0, i32 18
+  store { ptr, i64, i64 } %t419, ptr %a423
+  call void @finch.copy.arr_str(ptr %a424, ptr %a423)
+  %t425 = load { ptr, i64, i64 }, ptr %a424
+  %t426 = load { ptr, i64, i64 }, ptr %t422
+  store { ptr, i64, i64 } %t425, ptr %t422
+  store { ptr, i64, i64 } %t426, ptr %a427
+  call void @finch.drop.arr_str(ptr %a427)
+  %t428 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 7
+  %t429 = load { ptr, i64, i64 }, ptr %t428
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic8199, label %ok8200
+panic8199:
+  call void @finch_panic(ptr @.str.5350, i64 4966, ptr @.str.5351)
   unreachable
-inrange7795:
-  %t431 = extractvalue { ptr, i64, i64 } %t428, 0
-  %t432 = getelementptr inbounds %S.ast.Node, ptr %t431, i64 %t427
-  %t433 = getelementptr inbounds %S.ast.Node, ptr %t432, i32 0, i32 9
-  %t434 = load { ptr, i64, i64 }, ptr %t433
-  %t435 = extractvalue { ptr, i64, i64 } %t434, 1
-  %t436 = icmp uge i64 0, %t435
-  br i1 %t436, label %range7796, label %inrange7797
-range7796:
-  call void @finch_panic_index(ptr @.str.5167, i64 4620, i64 0, i64 %t435)
+ok8200:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 19
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch.copy.arr_S_ast_Type(ptr %a434, ptr %a433)
+  %t435 = load { ptr, i64, i64 }, ptr %a434
+  %t436 = load { ptr, i64, i64 }, ptr %t432
+  store { ptr, i64, i64 } %t435, ptr %t432
+  store { ptr, i64, i64 } %t436, ptr %a437
+  call void @finch.drop.arr_S_ast_Type(ptr %a437)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a438
+  %t439 = load { ptr, i64, i64 }, ptr %a438
+  %t440 = load ptr, ptr %a1
+  %t441 = icmp eq ptr %t440, null
+  br i1 %t441, label %panic8201, label %ok8202
+panic8201:
+  call void @finch_panic(ptr @.str.5352, i64 4968, ptr @.str.5353)
   unreachable
-inrange7797:
-  %t437 = extractvalue { ptr, i64, i64 } %t434, 0
-  %t438 = getelementptr inbounds %S.ast.Node, ptr %t437, i64 0
-  %t439 = load %S.ast.Node, ptr %t438
-  %t440 = load %S.ast.Type, ptr %a286
-  %t441 = call %S.gen.Val @finch.gen.exprWant(ptr %t425, %S.ast.Node %t439, %S.ast.Type %t440)
-  %t442 = load %S.ast.Type, ptr %a286
-  %t443 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
-  %t444 = load i64, ptr %a272
-  %t445 = load { ptr, i64, i64 }, ptr %t443
-  %t446 = extractvalue { ptr, i64, i64 } %t445, 1
-  %t447 = icmp uge i64 %t444, %t446
-  br i1 %t447, label %range7798, label %inrange7799
-range7798:
-  call void @finch_panic_index(ptr @.str.5168, i64 4620, i64 %t444, i64 %t446)
+ok8202:
+  %t442 = getelementptr inbounds %S.gen.Gen, ptr %t440, i32 0, i32 10
+  store { ptr, i64, i64 } %t439, ptr %a443
+  call void @finch.copy.arr_S_gen_Scope(ptr %a444, ptr %a443)
+  %t445 = load { ptr, i64, i64 }, ptr %a444
+  %t446 = load { ptr, i64, i64 }, ptr %t442
+  store { ptr, i64, i64 } %t445, ptr %t442
+  store { ptr, i64, i64 } %t446, ptr %a447
+  call void @finch.drop.arr_S_gen_Scope(ptr %a447)
+  %t448 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t448)
+  %t449 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
+  %t450 = load { ptr, i64, i64 }, ptr %t449
+  %t451 = load ptr, ptr %a1
+  %t452 = icmp eq ptr %t451, null
+  br i1 %t452, label %panic8203, label %ok8204
+panic8203:
+  call void @finch_panic(ptr @.str.5354, i64 4970, ptr @.str.5355)
   unreachable
-inrange7799:
-  %t448 = extractvalue { ptr, i64, i64 } %t445, 0
-  %t449 = getelementptr inbounds %S.ast.Node, ptr %t448, i64 %t444
-  %t450 = getelementptr inbounds %S.ast.Node, ptr %t449, i32 0, i32 9
-  %t451 = load { ptr, i64, i64 }, ptr %t450
-  %t452 = extractvalue { ptr, i64, i64 } %t451, 1
-  %t453 = icmp uge i64 0, %t452
-  br i1 %t453, label %range7800, label %inrange7801
-range7800:
-  call void @finch_panic_index(ptr @.str.5169, i64 4620, i64 0, i64 %t452)
+ok8204:
+  %t453 = getelementptr inbounds %S.gen.Gen, ptr %t451, i32 0, i32 14
+  store { ptr, i64, i64 } %t450, ptr %a454
+  call void @finch_str_copy(ptr %a455, ptr %a454)
+  %t456 = load { ptr, i64, i64 }, ptr %a455
+  %t457 = load { ptr, i64, i64 }, ptr %t453
+  store { ptr, i64, i64 } %t456, ptr %t453
+  store { ptr, i64, i64 } %t457, ptr %a458
+  call void @finch_str_drop(ptr %a458)
+  %t459 = load ptr, ptr %a1
+  %t460 = load ptr, ptr %a1
+  %t461 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
+  %t462 = load i64, ptr %a294
+  %t463 = load { ptr, i64, i64 }, ptr %t461
+  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
+  %t465 = icmp uge i64 %t462, %t464
+  br i1 %t465, label %range8205, label %inrange8206
+range8205:
+  call void @finch_panic_index(ptr @.str.5356, i64 4971, i64 %t462, i64 %t464)
   unreachable
-inrange7801:
-  %t454 = extractvalue { ptr, i64, i64 } %t451, 0
-  %t455 = getelementptr inbounds %S.ast.Node, ptr %t454, i64 0
-  %t456 = load %S.ast.Node, ptr %t455
-  %t457 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t458 = load i64, ptr %a272
-  %t459 = load { ptr, i64, i64 }, ptr %t457
-  %t460 = extractvalue { ptr, i64, i64 } %t459, 1
-  %t461 = icmp uge i64 %t458, %t460
-  br i1 %t461, label %range7802, label %inrange7803
-range7802:
-  call void @finch_panic_index(ptr @.str.5171, i64 4620, i64 %t458, i64 %t460)
+inrange8206:
+  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
+  %t467 = getelementptr inbounds %S.ast.Node, ptr %t466, i64 %t462
+  %t468 = getelementptr inbounds %S.ast.Node, ptr %t467, i32 0, i32 9
+  %t469 = load { ptr, i64, i64 }, ptr %t468
+  %t470 = extractvalue { ptr, i64, i64 } %t469, 1
+  %t471 = icmp uge i64 0, %t470
+  br i1 %t471, label %range8207, label %inrange8208
+range8207:
+  call void @finch_panic_index(ptr @.str.5357, i64 4971, i64 0, i64 %t470)
   unreachable
-inrange7803:
-  %t462 = extractvalue { ptr, i64, i64 } %t459, 0
-  %t463 = getelementptr inbounds { ptr, i64, i64 }, ptr %t462, i64 %t458
-  %t464 = load { ptr, i64, i64 }, ptr %t463
-  store { ptr, i64, i64 } { ptr @.str.5170, i64 16, i64 0 }, ptr %a466
-  store { ptr, i64, i64 } %t464, ptr %a467
-  call void @finch_str_concat(ptr %a465, ptr %a466, ptr %a467)
-  %t468 = load { ptr, i64, i64 }, ptr %a465
-  store { ptr, i64, i64 } %t468, ptr %a470
-  store { ptr, i64, i64 } { ptr @.str.5172, i64 1, i64 0 }, ptr %a471
-  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
-  %t472 = load { ptr, i64, i64 }, ptr %a469
-  %t473 = call %S.gen.Val @finch.gen.coerce(ptr %t424, %S.gen.Val %t441, %S.ast.Type %t442, %S.ast.Node %t456, { ptr, i64, i64 } %t472)
-  store %S.gen.Val %t473, ptr %a287
-  %t474 = load { ptr, i64, i64 }, ptr %a374
-  %t475 = load ptr, ptr %a1
-  %t476 = icmp eq ptr %t475, null
-  br i1 %t476, label %panic7804, label %ok7805
-panic7804:
-  call void @finch_panic(ptr @.str.5173, i64 4621, ptr @.str.5174)
+inrange8208:
+  %t472 = extractvalue { ptr, i64, i64 } %t469, 0
+  %t473 = getelementptr inbounds %S.ast.Node, ptr %t472, i64 0
+  %t474 = load %S.ast.Node, ptr %t473
+  %t475 = load %S.ast.Type, ptr %a308
+  %t476 = call %S.gen.Val @finch.gen.exprWant(ptr %t460, %S.ast.Node %t474, %S.ast.Type %t475)
+  %t477 = load %S.ast.Type, ptr %a308
+  %t478 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
+  %t479 = load i64, ptr %a294
+  %t480 = load { ptr, i64, i64 }, ptr %t478
+  %t481 = extractvalue { ptr, i64, i64 } %t480, 1
+  %t482 = icmp uge i64 %t479, %t481
+  br i1 %t482, label %range8209, label %inrange8210
+range8209:
+  call void @finch_panic_index(ptr @.str.5358, i64 4971, i64 %t479, i64 %t481)
   unreachable
-ok7805:
-  %t477 = getelementptr inbounds %S.gen.Gen, ptr %t475, i32 0, i32 13
-  store { ptr, i64, i64 } %t474, ptr %a478
-  call void @finch_str_copy(ptr %a479, ptr %a478)
-  %t480 = load { ptr, i64, i64 }, ptr %a479
-  store { ptr, i64, i64 } %t480, ptr %t477
-  %t481 = load { ptr, i64, i64 }, ptr %a382
-  %t482 = load ptr, ptr %a1
-  %t483 = icmp eq ptr %t482, null
-  br i1 %t483, label %panic7806, label %ok7807
-panic7806:
-  call void @finch_panic(ptr @.str.5175, i64 4622, ptr @.str.5176)
+inrange8210:
+  %t483 = extractvalue { ptr, i64, i64 } %t480, 0
+  %t484 = getelementptr inbounds %S.ast.Node, ptr %t483, i64 %t479
+  %t485 = getelementptr inbounds %S.ast.Node, ptr %t484, i32 0, i32 9
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  %t487 = extractvalue { ptr, i64, i64 } %t486, 1
+  %t488 = icmp uge i64 0, %t487
+  br i1 %t488, label %range8211, label %inrange8212
+range8211:
+  call void @finch_panic_index(ptr @.str.5359, i64 4971, i64 0, i64 %t487)
   unreachable
-ok7807:
-  %t484 = getelementptr inbounds %S.gen.Gen, ptr %t482, i32 0, i32 17
-  store { ptr, i64, i64 } %t481, ptr %a485
-  call void @finch.copy.arr_str(ptr %a486, ptr %a485)
-  %t487 = load { ptr, i64, i64 }, ptr %a486
-  store { ptr, i64, i64 } %t487, ptr %t484
-  %t488 = load { ptr, i64, i64 }, ptr %a390
-  %t489 = load ptr, ptr %a1
-  %t490 = icmp eq ptr %t489, null
-  br i1 %t490, label %panic7808, label %ok7809
-panic7808:
-  call void @finch_panic(ptr @.str.5177, i64 4623, ptr @.str.5178)
+inrange8212:
+  %t489 = extractvalue { ptr, i64, i64 } %t486, 0
+  %t490 = getelementptr inbounds %S.ast.Node, ptr %t489, i64 0
+  %t491 = load %S.ast.Node, ptr %t490
+  %t492 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t493 = load i64, ptr %a294
+  %t494 = load { ptr, i64, i64 }, ptr %t492
+  %t495 = extractvalue { ptr, i64, i64 } %t494, 1
+  %t496 = icmp uge i64 %t493, %t495
+  br i1 %t496, label %range8213, label %inrange8214
+range8213:
+  call void @finch_panic_index(ptr @.str.5361, i64 4971, i64 %t493, i64 %t495)
   unreachable
-ok7809:
-  %t491 = getelementptr inbounds %S.gen.Gen, ptr %t489, i32 0, i32 18
-  store { ptr, i64, i64 } %t488, ptr %a492
-  call void @finch.copy.arr_S_ast_Type(ptr %a493, ptr %a492)
-  %t494 = load { ptr, i64, i64 }, ptr %a493
-  store { ptr, i64, i64 } %t494, ptr %t491
-  %t495 = load { ptr, i64, i64 }, ptr %a366
-  %t496 = load ptr, ptr %a1
-  %t497 = icmp eq ptr %t496, null
-  br i1 %t497, label %panic7810, label %ok7811
-panic7810:
-  call void @finch_panic(ptr @.str.5179, i64 4624, ptr @.str.5180)
-  unreachable
-ok7811:
-  %t498 = getelementptr inbounds %S.gen.Gen, ptr %t496, i32 0, i32 10
-  store { ptr, i64, i64 } %t495, ptr %a499
-  call void @finch.copy.arr_S_gen_Scope(ptr %a500, ptr %a499)
-  %t501 = load { ptr, i64, i64 }, ptr %a500
-  store { ptr, i64, i64 } %t501, ptr %t498
-  br label %endif7777
-else7776:
-  br label %for.step7750
-endif7777:
-  br label %endif7758
-endif7758:
-  %t502 = load ptr, ptr %a1
-  %t503 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.5181, i64 12, i64 0 }, ptr %a505
-  store { ptr, i64, i64 } %t503, ptr %a506
+inrange8214:
+  %t497 = extractvalue { ptr, i64, i64 } %t494, 0
+  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t497, i64 %t493
+  %t499 = load { ptr, i64, i64 }, ptr %t498
+  store { ptr, i64, i64 } { ptr @.str.5360, i64 16, i64 0 }, ptr %a501
+  store { ptr, i64, i64 } %t499, ptr %a502
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  %t503 = load { ptr, i64, i64 }, ptr %a500
+  store { ptr, i64, i64 } %t503, ptr %a505
+  store { ptr, i64, i64 } { ptr @.str.5362, i64 1, i64 0 }, ptr %a506
   call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
-  %t507 = load { ptr, i64, i64 }, ptr %a504
-  store { ptr, i64, i64 } %t507, ptr %a509
-  store { ptr, i64, i64 } { ptr @.str.5182, i64 1, i64 0 }, ptr %a510
-  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
-  %t511 = load { ptr, i64, i64 }, ptr %a508
-  %t512 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t511, ptr %a514
-  store { ptr, i64, i64 } %t512, ptr %a515
-  call void @finch_str_concat(ptr %a513, ptr %a514, ptr %a515)
-  %t516 = load { ptr, i64, i64 }, ptr %a513
-  store { ptr, i64, i64 } %t516, ptr %a518
-  store { ptr, i64, i64 } { ptr @.str.5183, i64 2, i64 0 }, ptr %a519
-  call void @finch_str_concat(ptr %a517, ptr %a518, ptr %a519)
-  %t520 = load { ptr, i64, i64 }, ptr %a517
-  %t521 = load ptr, ptr %a1
-  %t522 = load %S.ast.Type, ptr %a286
-  %t523 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t521, %S.ast.Type %t522)
-  store { ptr, i64, i64 } %t520, ptr %a525
-  store { ptr, i64, i64 } %t523, ptr %a526
-  call void @finch_str_concat(ptr %a524, ptr %a525, ptr %a526)
-  %t527 = load { ptr, i64, i64 }, ptr %a524
-  store { ptr, i64, i64 } %t527, ptr %a529
-  store { ptr, i64, i64 } { ptr @.str.5184, i64 1, i64 0 }, ptr %a530
-  call void @finch_str_concat(ptr %a528, ptr %a529, ptr %a530)
-  %t531 = load { ptr, i64, i64 }, ptr %a528
-  %t532 = load ptr, ptr %a1
-  %t533 = load %S.gen.Val, ptr %a287
-  %t534 = call { ptr, i64, i64 } @finch.gen.own(ptr %t532, %S.gen.Val %t533)
-  store { ptr, i64, i64 } %t531, ptr %a536
-  store { ptr, i64, i64 } %t534, ptr %a537
-  call void @finch_str_concat(ptr %a535, ptr %a536, ptr %a537)
-  %t538 = load { ptr, i64, i64 }, ptr %a535
-  store { ptr, i64, i64 } %t538, ptr %a540
-  store { ptr, i64, i64 } { ptr @.str.5185, i64 2, i64 0 }, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  %t543 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 3
-  %t544 = load i64, ptr %a272
-  %t545 = load { ptr, i64, i64 }, ptr %t543
-  %t546 = extractvalue { ptr, i64, i64 } %t545, 1
-  %t547 = icmp uge i64 %t544, %t546
-  br i1 %t547, label %range7812, label %inrange7813
-range7812:
-  call void @finch_panic_index(ptr @.str.5186, i64 4628, i64 %t544, i64 %t546)
+  store { ptr, i64, i64 } %t503, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  %t508 = load { ptr, i64, i64 }, ptr %a504
+  %t509 = call %S.gen.Val @finch.gen.coerce(ptr %t459, %S.gen.Val %t476, %S.ast.Type %t477, %S.ast.Node %t491, { ptr, i64, i64 } %t508)
+  store %S.gen.Val %t476, ptr %a510
+  call void @finch.drop.S_gen_Val(ptr %a510)
+  store { ptr, i64, i64 } %t508, ptr %a511
+  call void @finch_str_drop(ptr %a511)
+  %t512 = load %S.gen.Val, ptr %a309
+  store %S.gen.Val %t509, ptr %a309
+  store %S.gen.Val %t512, ptr %a513
+  call void @finch.drop.S_gen_Val(ptr %a513)
+  %t514 = load { ptr, i64, i64 }, ptr %a401
+  %t515 = load ptr, ptr %a1
+  %t516 = icmp eq ptr %t515, null
+  br i1 %t516, label %panic8215, label %ok8216
+panic8215:
+  call void @finch_panic(ptr @.str.5363, i64 4972, ptr @.str.5364)
   unreachable
-inrange7813:
-  %t548 = extractvalue { ptr, i64, i64 } %t545, 0
-  %t549 = getelementptr inbounds i64, ptr %t548, i64 %t544
-  %t550 = load i64, ptr %t549
-  call void @finch_str_from_int(ptr %a551, i64 %t550)
-  %t552 = load { ptr, i64, i64 }, ptr %a551
-  store { ptr, i64, i64 } %t542, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = call { ptr, i64, i64 } @finch.gen.op(ptr %t502, { ptr, i64, i64 } %t556)
-  store { ptr, i64, i64 } %t557, ptr %a268
-  br label %for.step7750
-for.step7750:
-  %t558 = load i64, ptr %a272
-  %t559 = add i64 %t558, 1
-  store i64 %t559, ptr %a272
-  br label %for.cond7748
-for.end7751:
-  %t560 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t560, ptr %a561
-  call void @finch_str_copy(ptr %a562, ptr %a561)
-  %t563 = load { ptr, i64, i64 }, ptr %a562
-  %t564 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t563, 0
-  %t565 = load %S.ast.Type, ptr %a59
-  store %S.ast.Type %t565, ptr %a566
-  call void @finch.copy.S_ast_Type(ptr %a567, ptr %a566)
-  %t568 = load %S.ast.Type, ptr %a567
-  %t569 = insertvalue %S.gen.Val %t564, %S.ast.Type %t568, 1
-  %t570 = load ptr, ptr %a1
-  %t571 = load %S.ast.Type, ptr %a59
-  %t572 = call i1 @finch.gen.owning(ptr %t570, %S.ast.Type %t571)
-  %t573 = insertvalue %S.gen.Val %t569, i1 %t572, 2
-  ret %S.gen.Val %t573
+ok8216:
+  %t517 = getelementptr inbounds %S.gen.Gen, ptr %t515, i32 0, i32 14
+  store { ptr, i64, i64 } %t514, ptr %a518
+  call void @finch_str_copy(ptr %a519, ptr %a518)
+  %t520 = load { ptr, i64, i64 }, ptr %a519
+  %t521 = load { ptr, i64, i64 }, ptr %t517
+  store { ptr, i64, i64 } %t520, ptr %t517
+  store { ptr, i64, i64 } %t521, ptr %a522
+  call void @finch_str_drop(ptr %a522)
+  %t523 = load { ptr, i64, i64 }, ptr %a409
+  %t524 = load ptr, ptr %a1
+  %t525 = icmp eq ptr %t524, null
+  br i1 %t525, label %panic8217, label %ok8218
+panic8217:
+  call void @finch_panic(ptr @.str.5365, i64 4973, ptr @.str.5366)
+  unreachable
+ok8218:
+  %t526 = getelementptr inbounds %S.gen.Gen, ptr %t524, i32 0, i32 18
+  store { ptr, i64, i64 } %t523, ptr %a527
+  call void @finch.copy.arr_str(ptr %a528, ptr %a527)
+  %t529 = load { ptr, i64, i64 }, ptr %a528
+  %t530 = load { ptr, i64, i64 }, ptr %t526
+  store { ptr, i64, i64 } %t529, ptr %t526
+  store { ptr, i64, i64 } %t530, ptr %a531
+  call void @finch.drop.arr_str(ptr %a531)
+  %t532 = load { ptr, i64, i64 }, ptr %a417
+  %t533 = load ptr, ptr %a1
+  %t534 = icmp eq ptr %t533, null
+  br i1 %t534, label %panic8219, label %ok8220
+panic8219:
+  call void @finch_panic(ptr @.str.5367, i64 4974, ptr @.str.5368)
+  unreachable
+ok8220:
+  %t535 = getelementptr inbounds %S.gen.Gen, ptr %t533, i32 0, i32 19
+  store { ptr, i64, i64 } %t532, ptr %a536
+  call void @finch.copy.arr_S_ast_Type(ptr %a537, ptr %a536)
+  %t538 = load { ptr, i64, i64 }, ptr %a537
+  %t539 = load { ptr, i64, i64 }, ptr %t535
+  store { ptr, i64, i64 } %t538, ptr %t535
+  store { ptr, i64, i64 } %t539, ptr %a540
+  call void @finch.drop.arr_S_ast_Type(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a393
+  %t542 = load ptr, ptr %a1
+  %t543 = icmp eq ptr %t542, null
+  br i1 %t543, label %panic8221, label %ok8222
+panic8221:
+  call void @finch_panic(ptr @.str.5369, i64 4975, ptr @.str.5370)
+  unreachable
+ok8222:
+  %t544 = getelementptr inbounds %S.gen.Gen, ptr %t542, i32 0, i32 10
+  store { ptr, i64, i64 } %t541, ptr %a545
+  call void @finch.copy.arr_S_gen_Scope(ptr %a546, ptr %a545)
+  %t547 = load { ptr, i64, i64 }, ptr %a546
+  %t548 = load { ptr, i64, i64 }, ptr %t544
+  store { ptr, i64, i64 } %t547, ptr %t544
+  store { ptr, i64, i64 } %t548, ptr %a549
+  call void @finch.drop.arr_S_gen_Scope(ptr %a549)
+  call void @finch.drop.arr_S_gen_Scope(ptr %a438)
+  call void @finch.drop.arr_S_ast_Type(ptr %a417)
+  call void @finch.drop.arr_str(ptr %a409)
+  call void @finch_str_drop(ptr %a401)
+  call void @finch.drop.arr_S_gen_Scope(ptr %a393)
+  br label %endif8188
+else8187:
+  call void @finch.drop.S_gen_Val(ptr %a309)
+  call void @finch.drop.S_ast_Type(ptr %a308)
+  br label %for.step8161
+endif8188:
+  br label %endif8169
+endif8169:
+  %t550 = load ptr, ptr %a1
+  %t551 = load %S.gen.Val, ptr %a309
+  %t552 = call { ptr, i64, i64 } @finch.gen.own(ptr %t550, %S.gen.Val %t551)
+  store { ptr, i64, i64 } %t552, ptr %a553
+  %t554 = load ptr, ptr %a1
+  %t555 = load { ptr, i64, i64 }, ptr %a553
+  store { ptr, i64, i64 } %t555, ptr %a556
+  call void @finch_str_copy(ptr %a557, ptr %a556)
+  %t558 = load { ptr, i64, i64 }, ptr %a557
+  %t559 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t558, 0
+  %t560 = load %S.ast.Type, ptr %a308
+  store %S.ast.Type %t560, ptr %a561
+  call void @finch.copy.S_ast_Type(ptr %a562, ptr %a561)
+  %t563 = load %S.ast.Type, ptr %a562
+  %t564 = insertvalue %S.gen.Val %t559, %S.ast.Type %t563, 1
+  %t565 = insertvalue %S.gen.Val %t564, i1 true, 2
+  call void @finch.gen.hold(ptr %t554, %S.gen.Val %t565)
+  store %S.gen.Val %t565, ptr %a566
+  call void @finch.drop.S_gen_Val(ptr %a566)
+  %t567 = load ptr, ptr %a1
+  %t568 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.5371, i64 12, i64 0 }, ptr %a570
+  store { ptr, i64, i64 } %t568, ptr %a571
+  call void @finch_str_concat(ptr %a569, ptr %a570, ptr %a571)
+  %t572 = load { ptr, i64, i64 }, ptr %a569
+  store { ptr, i64, i64 } %t572, ptr %a574
+  store { ptr, i64, i64 } { ptr @.str.5372, i64 1, i64 0 }, ptr %a575
+  call void @finch_str_concat(ptr %a573, ptr %a574, ptr %a575)
+  store { ptr, i64, i64 } %t572, ptr %a576
+  call void @finch_str_drop(ptr %a576)
+  %t577 = load { ptr, i64, i64 }, ptr %a573
+  %t578 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t577, ptr %a580
+  store { ptr, i64, i64 } %t578, ptr %a581
+  call void @finch_str_concat(ptr %a579, ptr %a580, ptr %a581)
+  store { ptr, i64, i64 } %t577, ptr %a582
+  call void @finch_str_drop(ptr %a582)
+  %t583 = load { ptr, i64, i64 }, ptr %a579
+  store { ptr, i64, i64 } %t583, ptr %a585
+  store { ptr, i64, i64 } { ptr @.str.5373, i64 2, i64 0 }, ptr %a586
+  call void @finch_str_concat(ptr %a584, ptr %a585, ptr %a586)
+  store { ptr, i64, i64 } %t583, ptr %a587
+  call void @finch_str_drop(ptr %a587)
+  %t588 = load { ptr, i64, i64 }, ptr %a584
+  %t589 = load ptr, ptr %a1
+  %t590 = load %S.ast.Type, ptr %a308
+  %t591 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t589, %S.ast.Type %t590)
+  store { ptr, i64, i64 } %t588, ptr %a593
+  store { ptr, i64, i64 } %t591, ptr %a594
+  call void @finch_str_concat(ptr %a592, ptr %a593, ptr %a594)
+  store { ptr, i64, i64 } %t588, ptr %a595
+  call void @finch_str_drop(ptr %a595)
+  store { ptr, i64, i64 } %t591, ptr %a596
+  call void @finch_str_drop(ptr %a596)
+  %t597 = load { ptr, i64, i64 }, ptr %a592
+  store { ptr, i64, i64 } %t597, ptr %a599
+  store { ptr, i64, i64 } { ptr @.str.5374, i64 1, i64 0 }, ptr %a600
+  call void @finch_str_concat(ptr %a598, ptr %a599, ptr %a600)
+  store { ptr, i64, i64 } %t597, ptr %a601
+  call void @finch_str_drop(ptr %a601)
+  %t602 = load { ptr, i64, i64 }, ptr %a598
+  %t603 = load { ptr, i64, i64 }, ptr %a553
+  store { ptr, i64, i64 } %t602, ptr %a605
+  store { ptr, i64, i64 } %t603, ptr %a606
+  call void @finch_str_concat(ptr %a604, ptr %a605, ptr %a606)
+  store { ptr, i64, i64 } %t602, ptr %a607
+  call void @finch_str_drop(ptr %a607)
+  %t608 = load { ptr, i64, i64 }, ptr %a604
+  store { ptr, i64, i64 } %t608, ptr %a610
+  store { ptr, i64, i64 } { ptr @.str.5375, i64 2, i64 0 }, ptr %a611
+  call void @finch_str_concat(ptr %a609, ptr %a610, ptr %a611)
+  store { ptr, i64, i64 } %t608, ptr %a612
+  call void @finch_str_drop(ptr %a612)
+  %t613 = load { ptr, i64, i64 }, ptr %a609
+  %t614 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 3
+  %t615 = load i64, ptr %a294
+  %t616 = load { ptr, i64, i64 }, ptr %t614
+  %t617 = extractvalue { ptr, i64, i64 } %t616, 1
+  %t618 = icmp uge i64 %t615, %t617
+  br i1 %t618, label %range8223, label %inrange8224
+range8223:
+  call void @finch_panic_index(ptr @.str.5376, i64 4981, i64 %t615, i64 %t617)
+  unreachable
+inrange8224:
+  %t619 = extractvalue { ptr, i64, i64 } %t616, 0
+  %t620 = getelementptr inbounds i64, ptr %t619, i64 %t615
+  %t621 = load i64, ptr %t620
+  call void @finch_str_from_int(ptr %a622, i64 %t621)
+  %t623 = load { ptr, i64, i64 }, ptr %a622
+  store { ptr, i64, i64 } %t613, ptr %a625
+  store { ptr, i64, i64 } %t623, ptr %a626
+  call void @finch_str_concat(ptr %a624, ptr %a625, ptr %a626)
+  store { ptr, i64, i64 } %t613, ptr %a627
+  call void @finch_str_drop(ptr %a627)
+  store { ptr, i64, i64 } %t623, ptr %a628
+  call void @finch_str_drop(ptr %a628)
+  %t629 = load { ptr, i64, i64 }, ptr %a624
+  %t630 = call { ptr, i64, i64 } @finch.gen.op(ptr %t567, { ptr, i64, i64 } %t629)
+  store { ptr, i64, i64 } %t629, ptr %a631
+  call void @finch_str_drop(ptr %a631)
+  %t632 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t630, ptr %a284
+  store { ptr, i64, i64 } %t632, ptr %a633
+  call void @finch_str_drop(ptr %a633)
+  call void @finch_str_drop(ptr %a553)
+  call void @finch.drop.S_gen_Val(ptr %a309)
+  call void @finch.drop.S_ast_Type(ptr %a308)
+  br label %for.step8161
+for.step8161:
+  %t634 = load i64, ptr %a294
+  %t635 = add i64 %t634, 1
+  store i64 %t635, ptr %a294
+  br label %for.cond8159
+for.end8162:
+  %t636 = load ptr, ptr %a1
+  %t637 = load i64, ptr %a290
+  call void @finch.gen.heldEnd(ptr %t636, i64 %t637)
+  %t638 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t638, ptr %a639
+  call void @finch_str_copy(ptr %a640, ptr %a639)
+  %t641 = load { ptr, i64, i64 }, ptr %a640
+  %t642 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t641, 0
+  %t643 = load %S.ast.Type, ptr %a61
+  store %S.ast.Type %t643, ptr %a644
+  call void @finch.copy.S_ast_Type(ptr %a645, ptr %a644)
+  %t646 = load %S.ast.Type, ptr %a645
+  %t647 = insertvalue %S.gen.Val %t642, %S.ast.Type %t646, 1
+  %t648 = load ptr, ptr %a1
+  %t649 = load %S.ast.Type, ptr %a61
+  %t650 = call i1 @finch.gen.owning(ptr %t648, %S.ast.Type %t649)
+  %t651 = insertvalue %S.gen.Val %t647, i1 %t650, 2
+  call void @finch_str_drop(ptr %a284)
+  call void @finch.drop.arr_int(ptr %a79)
+  call void @finch_str_drop(ptr %a65)
+  call void @finch.drop.S_ast_Type(ptr %a61)
+  call void @finch.drop.S_ast_Node(ptr %a20)
+  call void @finch.drop.S_gen_StructDef(ptr %a19)
+  ret %S.gen.Val %t651
 }
 
 define internal void @finch.gen.noteMethod(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2) {
@@ -70479,23 +83874,24 @@ entry:
   %a2 = alloca %S.ast.Node, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca %S.docs.Doc, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic7814, label %ok7815
-panic7814:
-  call void @finch_panic(ptr @.str.5187, i64 4637, ptr @.str.5188)
+  br i1 %t5, label %panic8225, label %ok8226
+panic8225:
+  call void @finch_panic(ptr @.str.5377, i64 4991, ptr @.str.5378)
   unreachable
-ok7815:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok8226:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
   %t8 = xor i1 %t7, true
-  br i1 %t8, label %then7816, label %endif7818
-then7816:
+  br i1 %t8, label %then8227, label %endif8229
+then8227:
   ret void
-endif7818:
+endif8229:
   %t9 = load { ptr, i64, i64 }, ptr %a3
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t11 = load { ptr, i64, i64 }, ptr %t10
@@ -70505,8 +83901,8 @@ endif7818:
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp sgt i64 %t16, 0
-  br i1 %t17, label %then7819, label %endif7821
-then7819:
+  br i1 %t17, label %then8230, label %endif8232
+then8230:
   %t18 = load ptr, ptr %a1
   %t19 = load %S.ast.Node, ptr %a2
   %t20 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
@@ -70517,9 +83913,12 @@ then7819:
   %t25 = load i64, ptr %t24
   %t26 = load %S.docs.Doc, ptr %a13
   %t27 = call { ptr, i64, i64 } @finch.docs.hover(%S.docs.Doc %t26)
-  call void @finch.gen.noteRef(ptr %t18, %S.ast.Node %t19, i64 %t22, i64 %t25, { ptr, i64, i64 } %t27, { ptr, i64, i64 } { ptr @.str.5189, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif7821
-endif7821:
+  call void @finch.gen.noteRef(ptr %t18, %S.ast.Node %t19, i64 %t22, i64 %t25, { ptr, i64, i64 } %t27, { ptr, i64, i64 } { ptr @.str.5379, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  br label %endif8232
+endif8232:
+  call void @finch.drop.S_docs_Doc(ptr %a13)
   ret void
 }
 
@@ -70541,228 +83940,300 @@ entry:
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca i64, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca i64, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca i64, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca i64, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca i64, align 16
-  %a119 = alloca i64, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca i64, align 16
-  %a138 = alloca %S.ast.Node, align 16
-  %a139 = alloca %S.ast.Node, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca i64, align 16
+  %a127 = alloca i64, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca i64, align 16
+  %a146 = alloca %S.ast.Node, align 16
+  %a147 = alloca %S.ast.Node, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca i64, align 16
-  %a197 = alloca i64, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca %S.gen.Ref, align 16
-  %a214 = alloca %S.ast.Type, align 16
-  %a215 = alloca %S.ast.Type, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a223 = alloca %S.ast.Type, align 16
-  %a224 = alloca %S.ast.Type, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca i64, align 16
-  %a247 = alloca i64, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca i64, align 16
+  %a209 = alloca i64, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca %S.gen.Ref, align 16
+  %a228 = alloca i64, align 16
+  %a232 = alloca %S.ast.Type, align 16
+  %a233 = alloca %S.ast.Type, align 16
+  %a235 = alloca %S.ast.Type, align 16
+  %a241 = alloca %S.ast.Type, align 16
+  %a242 = alloca %S.ast.Type, align 16
+  %a245 = alloca %S.ast.Type, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca %S.gen.Val, align 16
-  %a288 = alloca %S.gen.Val, align 16
-  %a290 = alloca %S.gen.Val, align 16
-  %a300 = alloca %S.ast.Type, align 16
-  %a301 = alloca %S.ast.Type, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca i64, align 16
-  %a334 = alloca i64, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca %S.ast.Type, align 16
-  %a368 = alloca %S.ast.Type, align 16
-  %a370 = alloca %S.ast.Type, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca i64, align 16
+  %a269 = alloca i64, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca %S.gen.Val, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca %S.gen.Val, align 16
+  %a334 = alloca %S.gen.Val, align 16
+  %a336 = alloca %S.gen.Val, align 16
+  %a346 = alloca %S.ast.Type, align 16
+  %a347 = alloca %S.ast.Type, align 16
+  %a351 = alloca %S.gen.Val, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca %S.gen.Val, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca i64, align 16
+  %a400 = alloca i64, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
   %a417 = alloca { ptr, i64, i64 }, align 16
   %a418 = alloca { ptr, i64, i64 }, align 16
-  %a419 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca %S.ast.Type, align 16
-  %a441 = alloca %S.ast.Type, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a465 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a481 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca i64, align 16
-  %a498 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca i64, align 16
-  %a540 = alloca i64, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca i64, align 16
-  %a573 = alloca %S.gen.FnSig, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca %S.gen.Val, align 16
+  %a459 = alloca %S.ast.Type, align 16
+  %a460 = alloca %S.ast.Type, align 16
+  %a462 = alloca %S.ast.Type, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca i1, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a515 = alloca { ptr, i64, i64 }, align 16
+  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a525 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a531 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca %S.ast.Type, align 16
+  %a541 = alloca %S.ast.Type, align 16
+  %a544 = alloca %S.ast.Type, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
   %a579 = alloca { ptr, i64, i64 }, align 16
-  %a586 = alloca { ptr, i64, i64 }, align 16
-  %a587 = alloca { ptr, i64, i64 }, align 16
-  %a594 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a610 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca { ptr, i64, i64 }, align 16
-  %a616 = alloca { ptr, i64, i64 }, align 16
-  %a620 = alloca { ptr, i64, i64 }, align 16
-  %a621 = alloca { ptr, i64, i64 }, align 16
-  %a622 = alloca { ptr, i64, i64 }, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
-  %a626 = alloca { ptr, i64, i64 }, align 16
-  %a630 = alloca { ptr, i64, i64 }, align 16
-  %a631 = alloca { ptr, i64, i64 }, align 16
-  %a632 = alloca { ptr, i64, i64 }, align 16
-  %a634 = alloca { ptr, i64, i64 }, align 16
-  %a635 = alloca { ptr, i64, i64 }, align 16
-  %a636 = alloca { ptr, i64, i64 }, align 16
-  %a640 = alloca { ptr, i64, i64 }, align 16
-  %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
-  %a662 = alloca { ptr, i64, i64 }, align 16
-  %a663 = alloca { ptr, i64, i64 }, align 16
-  %a664 = alloca { ptr, i64, i64 }, align 16
-  %a666 = alloca { ptr, i64, i64 }, align 16
-  %a667 = alloca { ptr, i64, i64 }, align 16
-  %a668 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca { ptr, i64, i64 }, align 16
-  %a673 = alloca { ptr, i64, i64 }, align 16
-  %a674 = alloca { ptr, i64, i64 }, align 16
-  %a676 = alloca { ptr, i64, i64 }, align 16
-  %a677 = alloca { ptr, i64, i64 }, align 16
-  %a678 = alloca { ptr, i64, i64 }, align 16
-  %a681 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
-  %a684 = alloca { ptr, i64, i64 }, align 16
-  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca i64, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca i64, align 16
+  %a648 = alloca i64, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca i64, align 16
+  %a681 = alloca %S.gen.FnSig, align 16
   %a686 = alloca { ptr, i64, i64 }, align 16
-  %a688 = alloca { ptr, i64, i64 }, align 16
-  %a689 = alloca { ptr, i64, i64 }, align 16
-  %a690 = alloca { ptr, i64, i64 }, align 16
-  %a705 = alloca { ptr, i64, i64 }, align 16
-  %a706 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a703 = alloca { ptr, i64, i64 }, align 16
+  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
   %a724 = alloca { ptr, i64, i64 }, align 16
   %a725 = alloca { ptr, i64, i64 }, align 16
-  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
   %a730 = alloca { ptr, i64, i64 }, align 16
   %a731 = alloca { ptr, i64, i64 }, align 16
   %a732 = alloca { ptr, i64, i64 }, align 16
-  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a733 = alloca { ptr, i64, i64 }, align 16
   %a735 = alloca { ptr, i64, i64 }, align 16
   %a736 = alloca { ptr, i64, i64 }, align 16
-  %a740 = alloca { ptr, i64, i64 }, align 16
-  %a747 = alloca i64, align 16
-  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
+  %a745 = alloca { ptr, i64, i64 }, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
   %a759 = alloca { ptr, i64, i64 }, align 16
   %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
   %a762 = alloca { ptr, i64, i64 }, align 16
-  %a763 = alloca { ptr, i64, i64 }, align 16
   %a764 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
   %a771 = alloca { ptr, i64, i64 }, align 16
-  %a772 = alloca { ptr, i64, i64 }, align 16
   %a773 = alloca { ptr, i64, i64 }, align 16
-  %a777 = alloca { ptr, i64, i64 }, align 16
-  %a778 = alloca { ptr, i64, i64 }, align 16
-  %a779 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a780 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a788 = alloca { ptr, i64, i64 }, align 16
   %a789 = alloca { ptr, i64, i64 }, align 16
-  %a790 = alloca { ptr, i64, i64 }, align 16
-  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a793 = alloca { ptr, i64, i64 }, align 16
+  %a794 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a799 = alloca { ptr, i64, i64 }, align 16
+  %a800 = alloca { ptr, i64, i64 }, align 16
+  %a801 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a808 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a810 = alloca { ptr, i64, i64 }, align 16
+  %a811 = alloca { ptr, i64, i64 }, align 16
+  %a813 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
+  %a816 = alloca { ptr, i64, i64 }, align 16
+  %a818 = alloca { ptr, i64, i64 }, align 16
+  %a832 = alloca { ptr, i64, i64 }, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a838 = alloca { ptr, i64, i64 }, align 16
+  %a839 = alloca { ptr, i64, i64 }, align 16
+  %a851 = alloca { ptr, i64, i64 }, align 16
+  %a852 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca { ptr, i64, i64 }, align 16
+  %a857 = alloca { ptr, i64, i64 }, align 16
+  %a858 = alloca { ptr, i64, i64 }, align 16
+  %a859 = alloca { ptr, i64, i64 }, align 16
+  %a860 = alloca { ptr, i64, i64 }, align 16
+  %a861 = alloca { ptr, i64, i64 }, align 16
+  %a863 = alloca { ptr, i64, i64 }, align 16
+  %a864 = alloca { ptr, i64, i64 }, align 16
+  %a865 = alloca { ptr, i64, i64 }, align 16
+  %a866 = alloca { ptr, i64, i64 }, align 16
+  %a868 = alloca { ptr, i64, i64 }, align 16
+  %a871 = alloca { ptr, i64, i64 }, align 16
+  %a878 = alloca i64, align 16
+  %a885 = alloca %S.gen.Var, align 16
+  %a890 = alloca { ptr, i64, i64 }, align 16
+  %a891 = alloca { ptr, i64, i64 }, align 16
+  %a892 = alloca { ptr, i64, i64 }, align 16
+  %a894 = alloca { ptr, i64, i64 }, align 16
+  %a895 = alloca { ptr, i64, i64 }, align 16
+  %a896 = alloca { ptr, i64, i64 }, align 16
+  %a897 = alloca { ptr, i64, i64 }, align 16
+  %a899 = alloca { ptr, i64, i64 }, align 16
+  %a913 = alloca { ptr, i64, i64 }, align 16
+  %a914 = alloca { ptr, i64, i64 }, align 16
+  %a915 = alloca { ptr, i64, i64 }, align 16
+  %a916 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
+  %a921 = alloca { ptr, i64, i64 }, align 16
+  %a922 = alloca { ptr, i64, i64 }, align 16
+  %a923 = alloca { ptr, i64, i64 }, align 16
+  %a929 = alloca { ptr, i64, i64 }, align 16
+  %a930 = alloca { ptr, i64, i64 }, align 16
+  %a931 = alloca %S.gen.Val, align 16
+  %a951 = alloca { ptr, i64, i64 }, align 16
+  %a952 = alloca { ptr, i64, i64 }, align 16
+  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a956 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t4 = load { ptr, i64, i64 }, ptr %t3
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 0, %t5
-  br i1 %t6, label %range7822, label %inrange7823
-range7822:
-  call void @finch_panic_index(ptr @.str.5190, i64 4647, i64 0, i64 %t5)
+  br i1 %t6, label %range8233, label %inrange8234
+range8233:
+  call void @finch_panic_index(ptr @.str.5380, i64 5001, i64 0, i64 %t5)
   unreachable
-inrange7823:
+inrange8234:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds %S.ast.Node, ptr %t7, i64 0
   %t9 = load %S.ast.Node, ptr %t8
@@ -70773,25 +84244,25 @@ inrange7823:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.5191, i64 3, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.5381, i64 3, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br label %logic.from7824
-logic.from7824:
-  br i1 %t19, label %logic.rhs7825, label %logic.end7826
-logic.rhs7825:
+  br label %logic.from8235
+logic.from8235:
+  br i1 %t19, label %logic.rhs8236, label %logic.end8237
+logic.rhs8236:
   %t20 = load ptr, ptr %a1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 1
   %t22 = load { ptr, i64, i64 }, ptr %t21
   %t23 = call i64 @finch.gen.lookup(ptr %t20, { ptr, i64, i64 } %t22)
   %t24 = icmp slt i64 %t23, 0
-  br label %logic.rend7827
-logic.rend7827:
-  br label %logic.end7826
-logic.end7826:
-  %t25 = phi i1 [ false, %logic.from7824 ], [ %t24, %logic.rend7827 ]
-  br i1 %t25, label %then7828, label %endif7830
-then7828:
+  br label %logic.rend8238
+logic.rend8238:
+  br label %logic.end8237
+logic.end8237:
+  %t25 = phi i1 [ false, %logic.from8235 ], [ %t24, %logic.rend8238 ]
+  br i1 %t25, label %then8239, label %endif8241
+then8239:
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 1
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
@@ -70802,1114 +84273,1475 @@ then7828:
   %t33 = load { ptr, i64, i64 }, ptr %a31
   %t34 = call i1 @finch.gen.imports(ptr %t32, { ptr, i64, i64 } %t33)
   %t35 = xor i1 %t34, true
-  br i1 %t35, label %then7831, label %endif7833
-then7831:
+  br i1 %t35, label %then8242, label %endif8244
+then8242:
   %t36 = load ptr, ptr %a1
   %t37 = load %S.ast.Node, ptr %a13
   %t38 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.5192, i64 38, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.5382, i64 38, i64 0 }, ptr %a40
   store { ptr, i64, i64 } %t38, ptr %a41
   call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
   %t42 = load { ptr, i64, i64 }, ptr %a39
   store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.5193, i64 32, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.5383, i64 32, i64 0 }, ptr %a45
   call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  %t47 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t46, ptr %a49
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = load { ptr, i64, i64 }, ptr %a31
   store { ptr, i64, i64 } %t47, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.5194, i64 13, i64 0 }, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } %t55)
-  br label %endif7833
-endif7833:
-  %t56 = load ptr, ptr %a1
-  %t57 = load { ptr, i64, i64 }, ptr %a31
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = call i64 @finch.gen.findFn(ptr %t56, { ptr, i64, i64 } %t57, { ptr, i64, i64 } %t59)
-  store i64 %t60, ptr %a61
-  %t62 = load i64, ptr %a61
-  %t63 = icmp sge i64 %t62, 0
-  br i1 %t63, label %then7834, label %endif7836
-then7834:
-  %t64 = load ptr, ptr %a1
-  %t65 = load i64, ptr %a61
-  %t66 = load %S.ast.Node, ptr %a2
-  %t67 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.5195, i64 1, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t71, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = call %S.gen.Val @finch.gen.callFn(ptr %t64, i64 %t65, %S.ast.Node %t66, i64 1, { ptr, i64, i64 } %t77, { ptr, i64, i64 } { ptr @.str.5196, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5197, i64 0, i64 0 })
-  ret %S.gen.Val %t78
-endif7836:
-  %t79 = load ptr, ptr %a1
-  %t80 = load { ptr, i64, i64 }, ptr %a31
-  %t81 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  %t83 = call i64 @finch.gen.findTemplate(ptr %t79, { ptr, i64, i64 } %t80, { ptr, i64, i64 } %t82, { ptr, i64, i64 } { ptr @.str.5198, i64 0, i64 0 }, i1 false)
-  store i64 %t83, ptr %a84
-  %t85 = load i64, ptr %a84
-  %t86 = icmp sge i64 %t85, 0
-  br i1 %t86, label %then7837, label %endif7839
-then7837:
-  %t87 = load ptr, ptr %a1
-  %t88 = load %S.ast.Node, ptr %a2
-  %t89 = load i64, ptr %a84
-  %t90 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.5199, i64 1, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t96 = load { ptr, i64, i64 }, ptr %t95
-  store { ptr, i64, i64 } %t94, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t47, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t53, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.5384, i64 13, i64 0 }, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  br label %endif8244
+endif8244:
+  %t60 = load ptr, ptr %a1
+  %t61 = load { ptr, i64, i64 }, ptr %a31
+  %t62 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t63 = load { ptr, i64, i64 }, ptr %t62
+  %t64 = call i64 @finch.gen.findFn(ptr %t60, { ptr, i64, i64 } %t61, { ptr, i64, i64 } %t63)
+  store i64 %t64, ptr %a65
+  %t66 = load i64, ptr %a65
+  %t67 = icmp sge i64 %t66, 0
+  br i1 %t67, label %then8245, label %endif8247
+then8245:
+  %t68 = load ptr, ptr %a1
+  %t69 = load i64, ptr %a65
+  %t70 = load %S.ast.Node, ptr %a2
+  %t71 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.5385, i64 1, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a72
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t77 = load { ptr, i64, i64 }, ptr %t76
+  store { ptr, i64, i64 } %t75, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t75, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = call %S.gen.Val @finch.gen.callFn(ptr %t68, i64 %t69, %S.ast.Node %t70, i64 1, { ptr, i64, i64 } %t82, { ptr, i64, i64 } { ptr @.str.5386, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5387, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t82, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t83
+endif8247:
+  %t85 = load ptr, ptr %a1
+  %t86 = load { ptr, i64, i64 }, ptr %a31
+  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t88 = load { ptr, i64, i64 }, ptr %t87
+  %t89 = call i64 @finch.gen.findTemplate(ptr %t85, { ptr, i64, i64 } %t86, { ptr, i64, i64 } %t88, { ptr, i64, i64 } { ptr @.str.5388, i64 0, i64 0 }, i1 false)
+  store i64 %t89, ptr %a90
+  %t91 = load i64, ptr %a90
+  %t92 = icmp sge i64 %t91, 0
+  br i1 %t92, label %then8248, label %endif8250
+then8248:
+  %t93 = load ptr, ptr %a1
+  %t94 = load %S.ast.Node, ptr %a2
+  %t95 = load i64, ptr %a90
+  %t96 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t96, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.5389, i64 1, i64 0 }, ptr %a99
   call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
   %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = call %S.gen.Val @finch.gen.genericCall(ptr %t87, %S.ast.Node %t88, i64 %t89, i64 1, { ptr, i64, i64 } %t100)
-  ret %S.gen.Val %t101
-endif7839:
-  %t102 = load ptr, ptr %a1
-  %t103 = load { ptr, i64, i64 }, ptr %a31
-  %t104 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t105 = load { ptr, i64, i64 }, ptr %t104
-  %t106 = call i64 @finch.gen.findEnum(ptr %t102, { ptr, i64, i64 } %t103, { ptr, i64, i64 } %t105)
-  store i64 %t106, ptr %a107
-  %t108 = load i64, ptr %a107
-  %t109 = icmp sge i64 %t108, 0
-  br i1 %t109, label %then7840, label %endif7842
-then7840:
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  store { ptr, i64, i64 } %t100, ptr %a104
+  store { ptr, i64, i64 } %t102, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t100, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  %t108 = call %S.gen.Val @finch.gen.genericCall(ptr %t93, %S.ast.Node %t94, i64 %t95, i64 1, { ptr, i64, i64 } %t107)
+  store { ptr, i64, i64 } %t107, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t108
+endif8250:
   %t110 = load ptr, ptr %a1
-  %t111 = load %S.ast.Node, ptr %a2
-  %t112 = load i64, ptr %a107
-  %t113 = call %S.gen.Val @finch.gen.enumFrom(ptr %t110, %S.ast.Node %t111, i64 %t112)
-  ret %S.gen.Val %t113
-endif7842:
-  %t114 = load ptr, ptr %a1
-  %t115 = load { ptr, i64, i64 }, ptr %a31
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  %t118 = call i64 @finch.gen.findStruct(ptr %t114, { ptr, i64, i64 } %t115, { ptr, i64, i64 } %t117)
-  store i64 %t118, ptr %a119
-  %t120 = load i64, ptr %a119
-  %t121 = icmp sge i64 %t120, 0
-  br i1 %t121, label %then7843, label %endif7845
-then7843:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a122
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i32 0, i32 1
-  %t125 = load i64, ptr %t124
-  store i64 1, ptr %a126
-  br label %for.cond7846
-for.cond7846:
-  %t127 = load i64, ptr %a126
-  %t128 = icmp slt i64 %t127, %t125
-  br i1 %t128, label %for.body7847, label %for.end7849
-for.body7847:
-  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %a122, i32 0, i32 1
-  %t130 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t131 = load i64, ptr %a126
-  %t132 = load { ptr, i64, i64 }, ptr %t130
-  %t133 = extractvalue { ptr, i64, i64 } %t132, 1
-  %t134 = icmp uge i64 %t131, %t133
-  br i1 %t134, label %range7850, label %inrange7851
-range7850:
-  call void @finch_panic_index(ptr @.str.5200, i64 4669, i64 %t131, i64 %t133)
+  %t111 = load { ptr, i64, i64 }, ptr %a31
+  %t112 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t113 = load { ptr, i64, i64 }, ptr %t112
+  %t114 = call i64 @finch.gen.findEnum(ptr %t110, { ptr, i64, i64 } %t111, { ptr, i64, i64 } %t113)
+  store i64 %t114, ptr %a115
+  %t116 = load i64, ptr %a115
+  %t117 = icmp sge i64 %t116, 0
+  br i1 %t117, label %then8251, label %endif8253
+then8251:
+  %t118 = load ptr, ptr %a1
+  %t119 = load %S.ast.Node, ptr %a2
+  %t120 = load i64, ptr %a115
+  %t121 = call %S.gen.Val @finch.gen.enumFrom(ptr %t118, %S.ast.Node %t119, i64 %t120)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t121
+endif8253:
+  %t122 = load ptr, ptr %a1
+  %t123 = load { ptr, i64, i64 }, ptr %a31
+  %t124 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t125 = load { ptr, i64, i64 }, ptr %t124
+  %t126 = call i64 @finch.gen.findStruct(ptr %t122, { ptr, i64, i64 } %t123, { ptr, i64, i64 } %t125)
+  store i64 %t126, ptr %a127
+  %t128 = load i64, ptr %a127
+  %t129 = icmp sge i64 %t128, 0
+  br i1 %t129, label %then8254, label %endif8256
+then8254:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a130
+  %t131 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
+  %t133 = load i64, ptr %t132
+  store i64 1, ptr %a134
+  br label %for.cond8257
+for.cond8257:
+  %t135 = load i64, ptr %a134
+  %t136 = icmp slt i64 %t135, %t133
+  br i1 %t136, label %for.body8258, label %for.end8260
+for.body8258:
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %a130, i32 0, i32 1
+  %t138 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t139 = load i64, ptr %a134
+  %t140 = load { ptr, i64, i64 }, ptr %t138
+  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
+  %t142 = icmp uge i64 %t139, %t141
+  br i1 %t142, label %range8261, label %inrange8262
+range8261:
+  call void @finch_panic_index(ptr @.str.5390, i64 5023, i64 %t139, i64 %t141)
   unreachable
-inrange7851:
-  %t135 = extractvalue { ptr, i64, i64 } %t132, 0
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %t135, i64 %t131
-  %t137 = load %S.ast.Node, ptr %t136
-  store %S.ast.Node %t137, ptr %a138
-  call void @finch.copy.S_ast_Node(ptr %a139, ptr %a138)
-  %t140 = load %S.ast.Node, ptr %a139
-  %t141 = load i64, ptr %t129
-  %t142 = add i64 %t141, 1
-  call void @finch_arr_reserve(ptr %a122, i64 %t142, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t143 = load ptr, ptr %a122
-  %t144 = getelementptr inbounds %S.ast.Node, ptr %t143, i64 %t141
-  store %S.ast.Node %t140, ptr %t144
-  store i64 %t142, ptr %t129
-  br label %for.step7848
-for.step7848:
-  %t145 = load i64, ptr %a126
-  %t146 = add i64 %t145, 1
-  store i64 %t146, ptr %a126
-  br label %for.cond7846
-for.end7849:
-  %t147 = load ptr, ptr %a1
-  %t148 = load i64, ptr %a119
-  %t149 = load { ptr, i64, i64 }, ptr %a122
-  %t150 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t151 = load { ptr, i64, i64 }, ptr %t150
-  %t152 = load %S.ast.Node, ptr %a2
-  %t153 = call %S.gen.Val @finch.gen.construct(ptr %t147, i64 %t148, { ptr, i64, i64 } %t149, { ptr, i64, i64 } %t151, %S.ast.Node %t152)
-  ret %S.gen.Val %t153
-endif7845:
-  %t154 = load ptr, ptr %a1
-  %t155 = load %S.ast.Node, ptr %a2
-  %t156 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.5201, i64 12, i64 0 }, ptr %a158
-  store { ptr, i64, i64 } %t156, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  store { ptr, i64, i64 } %t160, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.5202, i64 35, i64 0 }, ptr %a163
-  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
-  %t164 = load { ptr, i64, i64 }, ptr %a161
-  %t165 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t166 = load { ptr, i64, i64 }, ptr %t165
-  store { ptr, i64, i64 } %t164, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.5203, i64 1, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  call void @finch.gen.fail(ptr %t154, %S.ast.Node %t155, { ptr, i64, i64 } %t174)
-  br label %endif7830
-endif7830:
-  %t175 = mul i64 8, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t176 = call ptr @finch_alloc(i64 %t175)
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5204, i64 4, i64 0 }, ptr %t177
-  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5205, i64 3, i64 0 }, ptr %t178
-  %t179 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5206, i64 6, i64 0 }, ptr %t179
-  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5207, i64 6, i64 0 }, ptr %t180
-  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5208, i64 5, i64 0 }, ptr %t181
-  %t182 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5209, i64 6, i64 0 }, ptr %t182
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5210, i64 4, i64 0 }, ptr %t183
-  %t184 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5211, i64 7, i64 0 }, ptr %t184
-  %t185 = insertvalue { ptr, i64, i64 } undef, ptr %t176, 0
-  %t186 = insertvalue { ptr, i64, i64 } %t185, i64 8, 1
-  %t187 = insertvalue { ptr, i64, i64 } %t186, i64 8, 2
-  store { ptr, i64, i64 } %t187, ptr %a188
-  %t189 = load ptr, ptr %a1
-  %t190 = load %S.ast.Node, ptr %a13
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %a188, i32 0, i32 1
-  %t192 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t193 = load { ptr, i64, i64 }, ptr %t192
-  store i64 -1, ptr %a194
-  %t195 = load i64, ptr %t191
-  %t196 = load ptr, ptr %a188
-  store i64 0, ptr %a197
-  br label %find.cond7852
-find.cond7852:
-  %t198 = load i64, ptr %a197
-  %t199 = icmp slt i64 %t198, %t195
-  br i1 %t199, label %find.body7853, label %find.end7856
-find.body7853:
-  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t196, i64 %t198
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store { ptr, i64, i64 } %t201, ptr %a202
-  store { ptr, i64, i64 } %t193, ptr %a203
-  %t204 = call i32 @finch_str_eq(ptr %a202, ptr %a203)
-  %t205 = icmp ne i32 %t204, 0
-  br i1 %t205, label %find.hit7854, label %find.next7855
-find.hit7854:
-  store i64 %t198, ptr %a194
-  br label %find.end7856
-find.next7855:
-  %t206 = add i64 %t198, 1
-  store i64 %t206, ptr %a197
-  br label %find.cond7852
-find.end7856:
-  %t207 = load i64, ptr %a194
-  %t208 = icmp sge i64 %t207, 0
-  %t209 = call %S.gen.Ref @finch.gen.ref(ptr %t189, %S.ast.Node %t190, i1 %t208)
-  store %S.gen.Ref %t209, ptr %a210
-  %t211 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t212 = getelementptr inbounds %S.gen.Val, ptr %t211, i32 0, i32 1
-  %t213 = load %S.ast.Type, ptr %t212
-  store %S.ast.Type %t213, ptr %a214
-  call void @finch.copy.S_ast_Type(ptr %a215, ptr %a214)
-  %t216 = load %S.ast.Type, ptr %a215
-  store %S.ast.Type %t216, ptr %a217
-  %t218 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t219 = load i1, ptr %t218
-  br i1 %t219, label %then7857, label %endif7859
-then7857:
-  %t220 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t221 = getelementptr inbounds %S.gen.Place, ptr %t220, i32 0, i32 1
-  %t222 = load %S.ast.Type, ptr %t221
-  store %S.ast.Type %t222, ptr %a223
-  call void @finch.copy.S_ast_Type(ptr %a224, ptr %a223)
-  %t225 = load %S.ast.Type, ptr %a224
-  store %S.ast.Type %t225, ptr %a217
-  br label %endif7859
-endif7859:
-  %t226 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t227 = load { ptr, i64, i64 }, ptr %t226
-  store { ptr, i64, i64 } %t227, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.5212, i64 5, i64 0 }, ptr %a229
-  %t230 = call i32 @finch_str_eq(ptr %a228, ptr %a229)
-  %t231 = icmp ne i32 %t230, 0
-  br i1 %t231, label %then7860, label %endif7862
-then7860:
-  store { ptr, i64, i64 } { ptr @.str.5213, i64 0, i64 0 }, ptr %a232
-  %t233 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t234 = load i1, ptr %t233
-  br i1 %t234, label %then7863, label %else7864
-then7863:
-  %t235 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t236 = getelementptr inbounds %S.gen.Place, ptr %t235, i32 0, i32 0
-  %t237 = load { ptr, i64, i64 }, ptr %t236
-  store { ptr, i64, i64 } %t237, ptr %a238
-  call void @finch_str_copy(ptr %a239, ptr %a238)
-  %t240 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t240, ptr %a232
-  br label %endif7865
-else7864:
-  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %a188, i32 0, i32 1
-  %t242 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t243 = load { ptr, i64, i64 }, ptr %t242
-  store i64 -1, ptr %a244
-  %t245 = load i64, ptr %t241
-  %t246 = load ptr, ptr %a188
-  store i64 0, ptr %a247
-  br label %find.cond7866
-find.cond7866:
-  %t248 = load i64, ptr %a247
-  %t249 = icmp slt i64 %t248, %t245
-  br i1 %t249, label %find.body7867, label %find.end7870
-find.body7867:
-  %t250 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i64 %t248
-  %t251 = load { ptr, i64, i64 }, ptr %t250
-  store { ptr, i64, i64 } %t251, ptr %a252
-  store { ptr, i64, i64 } %t243, ptr %a253
-  %t254 = call i32 @finch_str_eq(ptr %a252, ptr %a253)
-  %t255 = icmp ne i32 %t254, 0
-  br i1 %t255, label %find.hit7868, label %find.next7869
-find.hit7868:
-  store i64 %t248, ptr %a244
-  br label %find.end7870
-find.next7869:
-  %t256 = add i64 %t248, 1
-  store i64 %t256, ptr %a247
-  br label %find.cond7866
-find.end7870:
-  %t257 = load i64, ptr %a244
-  %t258 = icmp sge i64 %t257, 0
-  br i1 %t258, label %then7871, label %endif7873
-then7871:
-  %t259 = load ptr, ptr %a1
-  %t260 = load %S.ast.Node, ptr %a2
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t262 = load { ptr, i64, i64 }, ptr %t261
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.5214, i64 63, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  call void @finch.gen.fail(ptr %t259, %S.ast.Node %t260, { ptr, i64, i64 } %t266)
-  br label %endif7873
-endif7873:
-  %t267 = load ptr, ptr %a1
-  %t268 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t269 = load %S.gen.Val, ptr %t268
-  %t270 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t267, %S.gen.Val %t269)
-  store { ptr, i64, i64 } %t270, ptr %a232
-  br label %endif7865
-endif7865:
-  %t271 = load ptr, ptr %a1
-  %t272 = load %S.ast.Node, ptr %a2
-  %t273 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
-  call void @finch.gen.noteMethod(ptr %t271, %S.ast.Node %t272, { ptr, i64, i64 } %t273)
-  %t274 = load ptr, ptr %a1
-  %t275 = load %S.ast.Node, ptr %a2
-  %t276 = load { ptr, i64, i64 }, ptr %a232
-  %t277 = load %S.ast.Type, ptr %a217
-  %t278 = call %S.gen.Val @finch.gen.arrayMethod(ptr %t274, %S.ast.Node %t275, { ptr, i64, i64 } %t276, %S.ast.Type %t277)
-  ret %S.gen.Val %t278
-endif7862:
-  %t279 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t280 = load { ptr, i64, i64 }, ptr %t279
-  store { ptr, i64, i64 } %t280, ptr %a281
-  store { ptr, i64, i64 } { ptr @.str.5215, i64 3, i64 0 }, ptr %a282
-  %t283 = call i32 @finch_str_eq(ptr %a281, ptr %a282)
-  %t284 = icmp ne i32 %t283, 0
-  br i1 %t284, label %then7874, label %endif7876
-then7874:
-  %t285 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t286 = load %S.gen.Val, ptr %t285
-  store %S.gen.Val %t286, ptr %a287
-  call void @finch.copy.S_gen_Val(ptr %a288, ptr %a287)
-  %t289 = load %S.gen.Val, ptr %a288
-  store %S.gen.Val %t289, ptr %a290
-  %t291 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t292 = load i1, ptr %t291
-  br i1 %t292, label %then7877, label %endif7879
-then7877:
-  %t293 = load ptr, ptr %a1
-  %t294 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t295 = getelementptr inbounds %S.gen.Place, ptr %t294, i32 0, i32 0
-  %t296 = load { ptr, i64, i64 }, ptr %t295
-  %t297 = call { ptr, i64, i64 } @finch.gen.load(ptr %t293, { ptr, i64, i64 } { ptr @.str.5216, i64 17, i64 0 }, { ptr, i64, i64 } %t296)
-  %t298 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t297, 0
-  %t299 = load %S.ast.Type, ptr %a217
-  store %S.ast.Type %t299, ptr %a300
-  call void @finch.copy.S_ast_Type(ptr %a301, ptr %a300)
-  %t302 = load %S.ast.Type, ptr %a301
-  %t303 = insertvalue %S.gen.Val %t298, %S.ast.Type %t302, 1
-  store %S.gen.Val %t303, ptr %a290
-  br label %endif7879
-endif7879:
-  %t304 = load ptr, ptr %a1
-  %t305 = load %S.ast.Node, ptr %a2
-  %t306 = call { ptr, i64, i64 } @finch.docs.strMethods()
-  call void @finch.gen.noteMethod(ptr %t304, %S.ast.Node %t305, { ptr, i64, i64 } %t306)
-  %t307 = load ptr, ptr %a1
-  %t308 = load %S.ast.Node, ptr %a2
-  %t309 = load ptr, ptr %a1
-  %t310 = load %S.gen.Val, ptr %a290
-  %t311 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t309, %S.gen.Val %t310)
-  %t312 = call %S.gen.Val @finch.gen.strMethod(ptr %t307, %S.ast.Node %t308, { ptr, i64, i64 } %t311)
-  ret %S.gen.Val %t312
-endif7876:
-  %t313 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t314 = load { ptr, i64, i64 }, ptr %t313
-  store { ptr, i64, i64 } %t314, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.5217, i64 3, i64 0 }, ptr %a316
-  %t317 = call i32 @finch_str_eq(ptr %a315, ptr %a316)
-  %t318 = icmp ne i32 %t317, 0
-  br i1 %t318, label %then7880, label %endif7882
-then7880:
-  store { ptr, i64, i64 } { ptr @.str.5218, i64 0, i64 0 }, ptr %a319
-  %t320 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t321 = load i1, ptr %t320
-  br i1 %t321, label %then7883, label %else7884
-then7883:
-  %t322 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t323 = getelementptr inbounds %S.gen.Place, ptr %t322, i32 0, i32 0
-  %t324 = load { ptr, i64, i64 }, ptr %t323
-  store { ptr, i64, i64 } %t324, ptr %a325
-  call void @finch_str_copy(ptr %a326, ptr %a325)
-  %t327 = load { ptr, i64, i64 }, ptr %a326
-  store { ptr, i64, i64 } %t327, ptr %a319
-  br label %endif7885
-else7884:
-  %t328 = getelementptr inbounds { ptr, i64, i64 }, ptr %a188, i32 0, i32 1
-  %t329 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store i64 -1, ptr %a331
-  %t332 = load i64, ptr %t328
-  %t333 = load ptr, ptr %a188
-  store i64 0, ptr %a334
-  br label %find.cond7886
-find.cond7886:
-  %t335 = load i64, ptr %a334
-  %t336 = icmp slt i64 %t335, %t332
-  br i1 %t336, label %find.body7887, label %find.end7890
-find.body7887:
-  %t337 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i64 %t335
-  %t338 = load { ptr, i64, i64 }, ptr %t337
-  store { ptr, i64, i64 } %t338, ptr %a339
-  store { ptr, i64, i64 } %t330, ptr %a340
-  %t341 = call i32 @finch_str_eq(ptr %a339, ptr %a340)
-  %t342 = icmp ne i32 %t341, 0
-  br i1 %t342, label %find.hit7888, label %find.next7889
-find.hit7888:
-  store i64 %t335, ptr %a331
-  br label %find.end7890
-find.next7889:
-  %t343 = add i64 %t335, 1
-  store i64 %t343, ptr %a334
-  br label %find.cond7886
-find.end7890:
-  %t344 = load i64, ptr %a331
-  %t345 = icmp sge i64 %t344, 0
-  br i1 %t345, label %then7891, label %endif7893
-then7891:
-  %t346 = load ptr, ptr %a1
-  %t347 = load %S.ast.Node, ptr %a2
-  %t348 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t349 = load { ptr, i64, i64 }, ptr %t348
-  store { ptr, i64, i64 } %t349, ptr %a351
-  store { ptr, i64, i64 } { ptr @.str.5219, i64 61, i64 0 }, ptr %a352
-  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
-  %t353 = load { ptr, i64, i64 }, ptr %a350
-  call void @finch.gen.fail(ptr %t346, %S.ast.Node %t347, { ptr, i64, i64 } %t353)
-  br label %endif7893
-endif7893:
-  %t354 = load ptr, ptr %a1
-  %t355 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t356 = load %S.gen.Val, ptr %t355
-  %t357 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t354, %S.gen.Val %t356)
-  store { ptr, i64, i64 } %t357, ptr %a319
-  br label %endif7885
-endif7885:
-  %t358 = load ptr, ptr %a1
-  %t359 = load %S.ast.Node, ptr %a2
-  %t360 = call { ptr, i64, i64 } @finch.docs.mapMethods()
-  call void @finch.gen.noteMethod(ptr %t358, %S.ast.Node %t359, { ptr, i64, i64 } %t360)
+inrange8262:
+  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
+  %t144 = getelementptr inbounds %S.ast.Node, ptr %t143, i64 %t139
+  %t145 = load %S.ast.Node, ptr %t144
+  store %S.ast.Node %t145, ptr %a146
+  call void @finch.copy.S_ast_Node(ptr %a147, ptr %a146)
+  %t148 = load %S.ast.Node, ptr %a147
+  %t149 = load i64, ptr %t137
+  %t150 = add i64 %t149, 1
+  call void @finch_arr_reserve(ptr %a130, i64 %t150, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t151 = load ptr, ptr %a130
+  %t152 = getelementptr inbounds %S.ast.Node, ptr %t151, i64 %t149
+  store %S.ast.Node %t148, ptr %t152
+  store i64 %t150, ptr %t137
+  br label %for.step8259
+for.step8259:
+  %t153 = load i64, ptr %a134
+  %t154 = add i64 %t153, 1
+  store i64 %t154, ptr %a134
+  br label %for.cond8257
+for.end8260:
+  %t155 = load ptr, ptr %a1
+  %t156 = load i64, ptr %a127
+  %t157 = load { ptr, i64, i64 }, ptr %a130
+  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  %t160 = load %S.ast.Node, ptr %a2
+  %t161 = call %S.gen.Val @finch.gen.construct(ptr %t155, i64 %t156, { ptr, i64, i64 } %t157, { ptr, i64, i64 } %t159, %S.ast.Node %t160)
+  call void @finch.drop.arr_S_ast_Node(ptr %a130)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t161
+endif8256:
+  %t162 = load ptr, ptr %a1
+  %t163 = load %S.ast.Node, ptr %a2
+  %t164 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.5391, i64 12, i64 0 }, ptr %a166
+  store { ptr, i64, i64 } %t164, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a165
+  store { ptr, i64, i64 } %t168, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.5392, i64 35, i64 0 }, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t168, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t175 = load { ptr, i64, i64 }, ptr %t174
+  store { ptr, i64, i64 } %t173, ptr %a177
+  store { ptr, i64, i64 } %t175, ptr %a178
+  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
+  store { ptr, i64, i64 } %t173, ptr %a179
+  call void @finch_str_drop(ptr %a179)
+  %t180 = load { ptr, i64, i64 }, ptr %a176
+  store { ptr, i64, i64 } %t180, ptr %a182
+  store { ptr, i64, i64 } { ptr @.str.5393, i64 1, i64 0 }, ptr %a183
+  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
+  store { ptr, i64, i64 } %t180, ptr %a184
+  call void @finch_str_drop(ptr %a184)
+  %t185 = load { ptr, i64, i64 }, ptr %a181
+  call void @finch.gen.fail(ptr %t162, %S.ast.Node %t163, { ptr, i64, i64 } %t185)
+  store { ptr, i64, i64 } %t185, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  call void @finch_str_drop(ptr %a31)
+  br label %endif8241
+endif8241:
+  %t187 = mul i64 8, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t188 = call ptr @finch_alloc(i64 %t187)
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 0
+  store { ptr, i64, i64 } { ptr @.str.5394, i64 4, i64 0 }, ptr %t189
+  %t190 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 1
+  store { ptr, i64, i64 } { ptr @.str.5395, i64 3, i64 0 }, ptr %t190
+  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 2
+  store { ptr, i64, i64 } { ptr @.str.5396, i64 6, i64 0 }, ptr %t191
+  %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 3
+  store { ptr, i64, i64 } { ptr @.str.5397, i64 6, i64 0 }, ptr %t192
+  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 4
+  store { ptr, i64, i64 } { ptr @.str.5398, i64 5, i64 0 }, ptr %t193
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 5
+  store { ptr, i64, i64 } { ptr @.str.5399, i64 6, i64 0 }, ptr %t194
+  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 6
+  store { ptr, i64, i64 } { ptr @.str.5400, i64 4, i64 0 }, ptr %t195
+  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 7
+  store { ptr, i64, i64 } { ptr @.str.5401, i64 7, i64 0 }, ptr %t196
+  %t197 = insertvalue { ptr, i64, i64 } undef, ptr %t188, 0
+  %t198 = insertvalue { ptr, i64, i64 } %t197, i64 8, 1
+  %t199 = insertvalue { ptr, i64, i64 } %t198, i64 8, 2
+  store { ptr, i64, i64 } %t199, ptr %a200
+  %t201 = load ptr, ptr %a1
+  %t202 = load %S.ast.Node, ptr %a13
+  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %a200, i32 0, i32 1
+  %t204 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t205 = load { ptr, i64, i64 }, ptr %t204
+  store i64 -1, ptr %a206
+  %t207 = load i64, ptr %t203
+  %t208 = load ptr, ptr %a200
+  store i64 0, ptr %a209
+  br label %find.cond8263
+find.cond8263:
+  %t210 = load i64, ptr %a209
+  %t211 = icmp slt i64 %t210, %t207
+  br i1 %t211, label %find.body8264, label %find.end8267
+find.body8264:
+  %t212 = getelementptr inbounds { ptr, i64, i64 }, ptr %t208, i64 %t210
+  %t213 = load { ptr, i64, i64 }, ptr %t212
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } %t205, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br i1 %t217, label %find.hit8265, label %find.next8266
+find.hit8265:
+  store i64 %t210, ptr %a206
+  br label %find.end8267
+find.next8266:
+  %t218 = add i64 %t210, 1
+  store i64 %t218, ptr %a209
+  br label %find.cond8263
+find.end8267:
+  %t219 = load i64, ptr %a206
+  %t220 = icmp sge i64 %t219, 0
+  %t221 = call %S.gen.Ref @finch.gen.ref(ptr %t201, %S.ast.Node %t202, i1 %t220)
+  store %S.gen.Ref %t221, ptr %a222
+  %t223 = load ptr, ptr %a1
+  %t224 = icmp eq ptr %t223, null
+  br i1 %t224, label %panic8268, label %ok8269
+panic8268:
+  call void @finch_panic(ptr @.str.5402, i64 5031, ptr @.str.5403)
+  unreachable
+ok8269:
+  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 11
+  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i32 0, i32 1
+  %t227 = load i64, ptr %t226
+  store i64 %t227, ptr %a228
+  %t229 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t230 = getelementptr inbounds %S.gen.Val, ptr %t229, i32 0, i32 1
+  %t231 = load %S.ast.Type, ptr %t230
+  store %S.ast.Type %t231, ptr %a232
+  call void @finch.copy.S_ast_Type(ptr %a233, ptr %a232)
+  %t234 = load %S.ast.Type, ptr %a233
+  store %S.ast.Type %t234, ptr %a235
+  %t236 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t237 = load i1, ptr %t236
+  br i1 %t237, label %then8270, label %endif8272
+then8270:
+  %t238 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t239 = getelementptr inbounds %S.gen.Place, ptr %t238, i32 0, i32 1
+  %t240 = load %S.ast.Type, ptr %t239
+  store %S.ast.Type %t240, ptr %a241
+  call void @finch.copy.S_ast_Type(ptr %a242, ptr %a241)
+  %t243 = load %S.ast.Type, ptr %a242
+  %t244 = load %S.ast.Type, ptr %a235
+  store %S.ast.Type %t243, ptr %a235
+  store %S.ast.Type %t244, ptr %a245
+  call void @finch.drop.S_ast_Type(ptr %a245)
+  br label %endif8272
+endif8272:
+  %t246 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t247 = load { ptr, i64, i64 }, ptr %t246
+  store { ptr, i64, i64 } %t247, ptr %a248
+  store { ptr, i64, i64 } { ptr @.str.5404, i64 5, i64 0 }, ptr %a249
+  %t250 = call i32 @finch_str_eq(ptr %a248, ptr %a249)
+  %t251 = icmp ne i32 %t250, 0
+  br i1 %t251, label %then8273, label %endif8275
+then8273:
+  store { ptr, i64, i64 } { ptr @.str.5405, i64 0, i64 0 }, ptr %a252
+  %t253 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t254 = load i1, ptr %t253
+  br i1 %t254, label %then8276, label %else8277
+then8276:
+  %t255 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t256 = getelementptr inbounds %S.gen.Place, ptr %t255, i32 0, i32 0
+  %t257 = load { ptr, i64, i64 }, ptr %t256
+  store { ptr, i64, i64 } %t257, ptr %a258
+  call void @finch_str_copy(ptr %a259, ptr %a258)
+  %t260 = load { ptr, i64, i64 }, ptr %a259
+  %t261 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t260, ptr %a252
+  store { ptr, i64, i64 } %t261, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  br label %endif8278
+else8277:
+  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %a200, i32 0, i32 1
+  %t264 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t265 = load { ptr, i64, i64 }, ptr %t264
+  store i64 -1, ptr %a266
+  %t267 = load i64, ptr %t263
+  %t268 = load ptr, ptr %a200
+  store i64 0, ptr %a269
+  br label %find.cond8279
+find.cond8279:
+  %t270 = load i64, ptr %a269
+  %t271 = icmp slt i64 %t270, %t267
+  br i1 %t271, label %find.body8280, label %find.end8283
+find.body8280:
+  %t272 = getelementptr inbounds { ptr, i64, i64 }, ptr %t268, i64 %t270
+  %t273 = load { ptr, i64, i64 }, ptr %t272
+  store { ptr, i64, i64 } %t273, ptr %a274
+  store { ptr, i64, i64 } %t265, ptr %a275
+  %t276 = call i32 @finch_str_eq(ptr %a274, ptr %a275)
+  %t277 = icmp ne i32 %t276, 0
+  br i1 %t277, label %find.hit8281, label %find.next8282
+find.hit8281:
+  store i64 %t270, ptr %a266
+  br label %find.end8283
+find.next8282:
+  %t278 = add i64 %t270, 1
+  store i64 %t278, ptr %a269
+  br label %find.cond8279
+find.end8283:
+  %t279 = load i64, ptr %a266
+  %t280 = icmp sge i64 %t279, 0
+  br i1 %t280, label %then8284, label %endif8286
+then8284:
+  %t281 = load ptr, ptr %a1
+  %t282 = load %S.ast.Node, ptr %a2
+  %t283 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t284 = load { ptr, i64, i64 }, ptr %t283
+  store { ptr, i64, i64 } %t284, ptr %a286
+  store { ptr, i64, i64 } { ptr @.str.5406, i64 63, i64 0 }, ptr %a287
+  call void @finch_str_concat(ptr %a285, ptr %a286, ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a285
+  call void @finch.gen.fail(ptr %t281, %S.ast.Node %t282, { ptr, i64, i64 } %t288)
+  store { ptr, i64, i64 } %t288, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  br label %endif8286
+endif8286:
+  %t290 = load ptr, ptr %a1
+  %t291 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t292 = load %S.gen.Val, ptr %t291
+  %t293 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t290, %S.gen.Val %t292)
+  %t294 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t293, ptr %a252
+  store { ptr, i64, i64 } %t294, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t297 = getelementptr inbounds %S.gen.Val, ptr %t296, i32 0, i32 2
+  %t298 = load i1, ptr %t297
+  br i1 %t298, label %then8287, label %endif8289
+then8287:
+  %t299 = load ptr, ptr %a1
+  %t300 = load { ptr, i64, i64 }, ptr %a252
+  %t301 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.holdAddr(ptr %t299, { ptr, i64, i64 } %t300, %S.ast.Type %t301)
+  br label %endif8289
+endif8289:
+  br label %endif8278
+endif8278:
+  %t302 = load ptr, ptr %a1
+  %t303 = load %S.ast.Node, ptr %a2
+  %t304 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
+  call void @finch.gen.noteMethod(ptr %t302, %S.ast.Node %t303, { ptr, i64, i64 } %t304)
+  store { ptr, i64, i64 } %t304, ptr %a305
+  call void @finch.drop.arr_S_docs_Doc(ptr %a305)
+  %t306 = load ptr, ptr %a1
+  %t307 = load %S.ast.Node, ptr %a2
+  %t308 = load { ptr, i64, i64 }, ptr %a252
+  %t309 = load %S.ast.Type, ptr %a235
+  %t310 = call %S.gen.Val @finch.gen.arrayMethod(ptr %t306, %S.ast.Node %t307, { ptr, i64, i64 } %t308, %S.ast.Type %t309)
+  store %S.gen.Val %t310, ptr %a311
+  %t312 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t313 = load i1, ptr %t312
+  %t314 = xor i1 %t313, true
+  br label %logic.from8290
+logic.from8290:
+  br i1 %t314, label %logic.rhs8291, label %logic.end8292
+logic.rhs8291:
+  %t315 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t316 = getelementptr inbounds %S.gen.Val, ptr %t315, i32 0, i32 2
+  %t317 = load i1, ptr %t316
+  br label %logic.rend8293
+logic.rend8293:
+  br label %logic.end8292
+logic.end8292:
+  %t318 = phi i1 [ false, %logic.from8290 ], [ %t317, %logic.rend8293 ]
+  br i1 %t318, label %then8294, label %endif8296
+then8294:
+  %t319 = load ptr, ptr %a1
+  %t320 = load { ptr, i64, i64 }, ptr %a252
+  %t321 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.dropAt(ptr %t319, { ptr, i64, i64 } %t320, %S.ast.Type %t321)
+  br label %endif8296
+endif8296:
+  %t322 = load ptr, ptr %a1
+  %t323 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t322, i64 %t323)
+  %t324 = load %S.gen.Val, ptr %a311
+  call void @finch_str_drop(ptr %a252)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t324
+endif8275:
+  %t325 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t326 = load { ptr, i64, i64 }, ptr %t325
+  store { ptr, i64, i64 } %t326, ptr %a327
+  store { ptr, i64, i64 } { ptr @.str.5407, i64 3, i64 0 }, ptr %a328
+  %t329 = call i32 @finch_str_eq(ptr %a327, ptr %a328)
+  %t330 = icmp ne i32 %t329, 0
+  br i1 %t330, label %then8297, label %endif8299
+then8297:
+  %t331 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t332 = load %S.gen.Val, ptr %t331
+  store %S.gen.Val %t332, ptr %a333
+  call void @finch.copy.S_gen_Val(ptr %a334, ptr %a333)
+  %t335 = load %S.gen.Val, ptr %a334
+  store %S.gen.Val %t335, ptr %a336
+  %t337 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t338 = load i1, ptr %t337
+  br i1 %t338, label %then8300, label %endif8302
+then8300:
+  %t339 = load ptr, ptr %a1
+  %t340 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t341 = getelementptr inbounds %S.gen.Place, ptr %t340, i32 0, i32 0
+  %t342 = load { ptr, i64, i64 }, ptr %t341
+  %t343 = call { ptr, i64, i64 } @finch.gen.load(ptr %t339, { ptr, i64, i64 } { ptr @.str.5408, i64 17, i64 0 }, { ptr, i64, i64 } %t342)
+  %t344 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t343, 0
+  %t345 = load %S.ast.Type, ptr %a235
+  store %S.ast.Type %t345, ptr %a346
+  call void @finch.copy.S_ast_Type(ptr %a347, ptr %a346)
+  %t348 = load %S.ast.Type, ptr %a347
+  %t349 = insertvalue %S.gen.Val %t344, %S.ast.Type %t348, 1
+  %t350 = load %S.gen.Val, ptr %a336
+  store %S.gen.Val %t349, ptr %a336
+  store %S.gen.Val %t350, ptr %a351
+  call void @finch.drop.S_gen_Val(ptr %a351)
+  br label %endif8302
+endif8302:
+  %t352 = load ptr, ptr %a1
+  %t353 = load %S.ast.Node, ptr %a2
+  %t354 = call { ptr, i64, i64 } @finch.docs.strMethods()
+  call void @finch.gen.noteMethod(ptr %t352, %S.ast.Node %t353, { ptr, i64, i64 } %t354)
+  store { ptr, i64, i64 } %t354, ptr %a355
+  call void @finch.drop.arr_S_docs_Doc(ptr %a355)
+  %t356 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t357 = load i1, ptr %t356
+  %t358 = xor i1 %t357, true
+  br i1 %t358, label %then8303, label %endif8305
+then8303:
+  %t359 = load ptr, ptr %a1
+  %t360 = load %S.gen.Val, ptr %a336
+  call void @finch.gen.hold(ptr %t359, %S.gen.Val %t360)
+  br label %endif8305
+endif8305:
   %t361 = load ptr, ptr %a1
   %t362 = load %S.ast.Node, ptr %a2
-  %t363 = load { ptr, i64, i64 }, ptr %a319
-  %t364 = load %S.ast.Type, ptr %a217
-  %t365 = call %S.gen.Val @finch.gen.mapMethod(ptr %t361, %S.ast.Node %t362, { ptr, i64, i64 } %t363, %S.ast.Type %t364)
-  ret %S.gen.Val %t365
-endif7882:
-  %t366 = load %S.ast.Type, ptr %a217
-  store %S.ast.Type %t366, ptr %a367
-  call void @finch.copy.S_ast_Type(ptr %a368, ptr %a367)
-  %t369 = load %S.ast.Type, ptr %a368
-  store %S.ast.Type %t369, ptr %a370
-  store { ptr, i64, i64 } { ptr @.str.5220, i64 0, i64 0 }, ptr %a371
-  %t372 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t373 = load { ptr, i64, i64 }, ptr %t372
-  store { ptr, i64, i64 } %t373, ptr %a374
-  store { ptr, i64, i64 } { ptr @.str.5221, i64 3, i64 0 }, ptr %a375
-  %t376 = call i32 @finch_str_eq(ptr %a374, ptr %a375)
-  %t377 = icmp ne i32 %t376, 0
-  br label %logic.from7894
-logic.from7894:
-  br i1 %t377, label %logic.rhs7895, label %logic.end7896
-logic.rhs7895:
-  %t378 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 1
-  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i32 0, i32 1
-  %t380 = load i64, ptr %t379
-  %t381 = icmp sgt i64 %t380, 0
-  br label %logic.rend7897
-logic.rend7897:
-  br label %logic.end7896
-logic.end7896:
-  %t382 = phi i1 [ false, %logic.from7894 ], [ %t381, %logic.rend7897 ]
-  br label %logic.from7898
-logic.from7898:
-  br i1 %t382, label %logic.rhs7899, label %logic.end7900
-logic.rhs7899:
-  %t383 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 1
-  %t384 = load { ptr, i64, i64 }, ptr %t383
-  %t385 = extractvalue { ptr, i64, i64 } %t384, 1
-  %t386 = icmp uge i64 0, %t385
-  br i1 %t386, label %range7901, label %inrange7902
-range7901:
-  call void @finch_panic_index(ptr @.str.5222, i64 4717, i64 0, i64 %t385)
+  %t363 = load ptr, ptr %a1
+  %t364 = load %S.gen.Val, ptr %a336
+  %t365 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t363, %S.gen.Val %t364)
+  %t366 = call %S.gen.Val @finch.gen.strMethod(ptr %t361, %S.ast.Node %t362, { ptr, i64, i64 } %t365)
+  store { ptr, i64, i64 } %t365, ptr %a367
+  call void @finch_str_drop(ptr %a367)
+  store %S.gen.Val %t366, ptr %a368
+  %t369 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t370 = load i1, ptr %t369
+  %t371 = xor i1 %t370, true
+  br i1 %t371, label %then8306, label %endif8308
+then8306:
+  %t372 = load ptr, ptr %a1
+  %t373 = load %S.gen.Val, ptr %a336
+  call void @finch.gen.release(ptr %t372, %S.gen.Val %t373)
+  br label %endif8308
+endif8308:
+  %t374 = load ptr, ptr %a1
+  %t375 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t374, i64 %t375)
+  %t376 = load %S.gen.Val, ptr %a368
+  call void @finch.drop.S_gen_Val(ptr %a336)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t376
+endif8299:
+  %t377 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t378 = load { ptr, i64, i64 }, ptr %t377
+  store { ptr, i64, i64 } %t378, ptr %a379
+  store { ptr, i64, i64 } { ptr @.str.5409, i64 3, i64 0 }, ptr %a380
+  %t381 = call i32 @finch_str_eq(ptr %a379, ptr %a380)
+  %t382 = icmp ne i32 %t381, 0
+  br i1 %t382, label %then8309, label %endif8311
+then8309:
+  store { ptr, i64, i64 } { ptr @.str.5410, i64 0, i64 0 }, ptr %a383
+  %t384 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t385 = load i1, ptr %t384
+  br i1 %t385, label %then8312, label %else8313
+then8312:
+  %t386 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t387 = getelementptr inbounds %S.gen.Place, ptr %t386, i32 0, i32 0
+  %t388 = load { ptr, i64, i64 }, ptr %t387
+  store { ptr, i64, i64 } %t388, ptr %a389
+  call void @finch_str_copy(ptr %a390, ptr %a389)
+  %t391 = load { ptr, i64, i64 }, ptr %a390
+  %t392 = load { ptr, i64, i64 }, ptr %a383
+  store { ptr, i64, i64 } %t391, ptr %a383
+  store { ptr, i64, i64 } %t392, ptr %a393
+  call void @finch_str_drop(ptr %a393)
+  br label %endif8314
+else8313:
+  %t394 = getelementptr inbounds { ptr, i64, i64 }, ptr %a200, i32 0, i32 1
+  %t395 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t396 = load { ptr, i64, i64 }, ptr %t395
+  store i64 -1, ptr %a397
+  %t398 = load i64, ptr %t394
+  %t399 = load ptr, ptr %a200
+  store i64 0, ptr %a400
+  br label %find.cond8315
+find.cond8315:
+  %t401 = load i64, ptr %a400
+  %t402 = icmp slt i64 %t401, %t398
+  br i1 %t402, label %find.body8316, label %find.end8319
+find.body8316:
+  %t403 = getelementptr inbounds { ptr, i64, i64 }, ptr %t399, i64 %t401
+  %t404 = load { ptr, i64, i64 }, ptr %t403
+  store { ptr, i64, i64 } %t404, ptr %a405
+  store { ptr, i64, i64 } %t396, ptr %a406
+  %t407 = call i32 @finch_str_eq(ptr %a405, ptr %a406)
+  %t408 = icmp ne i32 %t407, 0
+  br i1 %t408, label %find.hit8317, label %find.next8318
+find.hit8317:
+  store i64 %t401, ptr %a397
+  br label %find.end8319
+find.next8318:
+  %t409 = add i64 %t401, 1
+  store i64 %t409, ptr %a400
+  br label %find.cond8315
+find.end8319:
+  %t410 = load i64, ptr %a397
+  %t411 = icmp sge i64 %t410, 0
+  br i1 %t411, label %then8320, label %endif8322
+then8320:
+  %t412 = load ptr, ptr %a1
+  %t413 = load %S.ast.Node, ptr %a2
+  %t414 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t415 = load { ptr, i64, i64 }, ptr %t414
+  store { ptr, i64, i64 } %t415, ptr %a417
+  store { ptr, i64, i64 } { ptr @.str.5411, i64 61, i64 0 }, ptr %a418
+  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
+  %t419 = load { ptr, i64, i64 }, ptr %a416
+  call void @finch.gen.fail(ptr %t412, %S.ast.Node %t413, { ptr, i64, i64 } %t419)
+  store { ptr, i64, i64 } %t419, ptr %a420
+  call void @finch_str_drop(ptr %a420)
+  br label %endif8322
+endif8322:
+  %t421 = load ptr, ptr %a1
+  %t422 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t423 = load %S.gen.Val, ptr %t422
+  %t424 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t421, %S.gen.Val %t423)
+  %t425 = load { ptr, i64, i64 }, ptr %a383
+  store { ptr, i64, i64 } %t424, ptr %a383
+  store { ptr, i64, i64 } %t425, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  %t427 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t428 = getelementptr inbounds %S.gen.Val, ptr %t427, i32 0, i32 2
+  %t429 = load i1, ptr %t428
+  br i1 %t429, label %then8323, label %endif8325
+then8323:
+  %t430 = load ptr, ptr %a1
+  %t431 = load { ptr, i64, i64 }, ptr %a383
+  %t432 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.holdAddr(ptr %t430, { ptr, i64, i64 } %t431, %S.ast.Type %t432)
+  br label %endif8325
+endif8325:
+  br label %endif8314
+endif8314:
+  %t433 = load ptr, ptr %a1
+  %t434 = load %S.ast.Node, ptr %a2
+  %t435 = call { ptr, i64, i64 } @finch.docs.mapMethods()
+  call void @finch.gen.noteMethod(ptr %t433, %S.ast.Node %t434, { ptr, i64, i64 } %t435)
+  store { ptr, i64, i64 } %t435, ptr %a436
+  call void @finch.drop.arr_S_docs_Doc(ptr %a436)
+  %t437 = load ptr, ptr %a1
+  %t438 = load %S.ast.Node, ptr %a2
+  %t439 = load { ptr, i64, i64 }, ptr %a383
+  %t440 = load %S.ast.Type, ptr %a235
+  %t441 = call %S.gen.Val @finch.gen.mapMethod(ptr %t437, %S.ast.Node %t438, { ptr, i64, i64 } %t439, %S.ast.Type %t440)
+  store %S.gen.Val %t441, ptr %a442
+  %t443 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t444 = load i1, ptr %t443
+  %t445 = xor i1 %t444, true
+  br label %logic.from8326
+logic.from8326:
+  br i1 %t445, label %logic.rhs8327, label %logic.end8328
+logic.rhs8327:
+  %t446 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t447 = getelementptr inbounds %S.gen.Val, ptr %t446, i32 0, i32 2
+  %t448 = load i1, ptr %t447
+  br label %logic.rend8329
+logic.rend8329:
+  br label %logic.end8328
+logic.end8328:
+  %t449 = phi i1 [ false, %logic.from8326 ], [ %t448, %logic.rend8329 ]
+  br i1 %t449, label %then8330, label %endif8332
+then8330:
+  %t450 = load ptr, ptr %a1
+  %t451 = load { ptr, i64, i64 }, ptr %a383
+  %t452 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.dropAt(ptr %t450, { ptr, i64, i64 } %t451, %S.ast.Type %t452)
+  br label %endif8332
+endif8332:
+  %t453 = load ptr, ptr %a1
+  %t454 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t453, i64 %t454)
+  %t455 = load %S.gen.Val, ptr %a442
+  call void @finch_str_drop(ptr %a383)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t455
+endif8311:
+  %t456 = load ptr, ptr %a1
+  %t457 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t456, i64 %t457)
+  %t458 = load %S.ast.Type, ptr %a235
+  store %S.ast.Type %t458, ptr %a459
+  call void @finch.copy.S_ast_Type(ptr %a460, ptr %a459)
+  %t461 = load %S.ast.Type, ptr %a460
+  store %S.ast.Type %t461, ptr %a462
+  store { ptr, i64, i64 } { ptr @.str.5412, i64 0, i64 0 }, ptr %a463
+  store i1 false, ptr %a464
+  %t465 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t466 = load { ptr, i64, i64 }, ptr %t465
+  store { ptr, i64, i64 } %t466, ptr %a467
+  store { ptr, i64, i64 } { ptr @.str.5413, i64 3, i64 0 }, ptr %a468
+  %t469 = call i32 @finch_str_eq(ptr %a467, ptr %a468)
+  %t470 = icmp ne i32 %t469, 0
+  br label %logic.from8333
+logic.from8333:
+  br i1 %t470, label %logic.rhs8334, label %logic.end8335
+logic.rhs8334:
+  %t471 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 1
+  %t472 = getelementptr inbounds { ptr, i64, i64 }, ptr %t471, i32 0, i32 1
+  %t473 = load i64, ptr %t472
+  %t474 = icmp sgt i64 %t473, 0
+  br label %logic.rend8336
+logic.rend8336:
+  br label %logic.end8335
+logic.end8335:
+  %t475 = phi i1 [ false, %logic.from8333 ], [ %t474, %logic.rend8336 ]
+  br label %logic.from8337
+logic.from8337:
+  br i1 %t475, label %logic.rhs8338, label %logic.end8339
+logic.rhs8338:
+  %t476 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 1
+  %t477 = load { ptr, i64, i64 }, ptr %t476
+  %t478 = extractvalue { ptr, i64, i64 } %t477, 1
+  %t479 = icmp uge i64 0, %t478
+  br i1 %t479, label %range8340, label %inrange8341
+range8340:
+  call void @finch_panic_index(ptr @.str.5414, i64 5098, i64 0, i64 %t478)
   unreachable
-inrange7902:
-  %t387 = extractvalue { ptr, i64, i64 } %t384, 0
-  %t388 = getelementptr inbounds %S.ast.Type, ptr %t387, i64 0
-  %t389 = getelementptr inbounds %S.ast.Type, ptr %t388, i32 0, i32 0
-  %t390 = load { ptr, i64, i64 }, ptr %t389
-  store { ptr, i64, i64 } %t390, ptr %a391
-  store { ptr, i64, i64 } { ptr @.str.5223, i64 6, i64 0 }, ptr %a392
-  %t393 = call i32 @finch_str_eq(ptr %a391, ptr %a392)
-  %t394 = icmp ne i32 %t393, 0
-  br label %logic.rend7903
-logic.rend7903:
-  br label %logic.end7900
-logic.end7900:
-  %t395 = phi i1 [ false, %logic.from7898 ], [ %t394, %logic.rend7903 ]
-  br i1 %t395, label %then7904, label %else7905
-then7904:
-  %t396 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t397 = getelementptr inbounds %S.gen.Val, ptr %t396, i32 0, i32 0
-  %t398 = load { ptr, i64, i64 }, ptr %t397
-  store { ptr, i64, i64 } %t398, ptr %a399
-  call void @finch_str_copy(ptr %a400, ptr %a399)
-  %t401 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t401, ptr %a402
-  %t403 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t404 = load i1, ptr %t403
-  br i1 %t404, label %then7907, label %endif7909
-then7907:
-  %t405 = load ptr, ptr %a1
-  %t406 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t407 = getelementptr inbounds %S.gen.Place, ptr %t406, i32 0, i32 0
-  %t408 = load { ptr, i64, i64 }, ptr %t407
-  %t409 = call { ptr, i64, i64 } @finch.gen.load(ptr %t405, { ptr, i64, i64 } { ptr @.str.5224, i64 3, i64 0 }, { ptr, i64, i64 } %t408)
-  store { ptr, i64, i64 } %t409, ptr %a402
-  br label %endif7909
-endif7909:
-  %t410 = load ptr, ptr %a1
-  %t411 = load ptr, ptr %a1
-  %t412 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } { ptr @.str.5225, i64 12, i64 0 }, ptr %a414
-  store { ptr, i64, i64 } %t412, ptr %a415
-  call void @finch_str_concat(ptr %a413, ptr %a414, ptr %a415)
-  %t416 = load { ptr, i64, i64 }, ptr %a413
-  store { ptr, i64, i64 } %t416, ptr %a418
-  store { ptr, i64, i64 } { ptr @.str.5226, i64 6, i64 0 }, ptr %a419
-  call void @finch_str_concat(ptr %a417, ptr %a418, ptr %a419)
-  %t420 = load { ptr, i64, i64 }, ptr %a417
-  %t421 = call { ptr, i64, i64 } @finch.gen.op(ptr %t411, { ptr, i64, i64 } %t420)
-  %t422 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t423 = load { ptr, i64, i64 }, ptr %t422
-  store { ptr, i64, i64 } { ptr @.str.5227, i64 8, i64 0 }, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t427, ptr %a429
-  store { ptr, i64, i64 } { ptr @.str.5228, i64 20, i64 0 }, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t410, { ptr, i64, i64 } %t421, { ptr, i64, i64 } %t431, %S.ast.Node %t432)
-  %t433 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 1
-  %t434 = load { ptr, i64, i64 }, ptr %t433
-  %t435 = extractvalue { ptr, i64, i64 } %t434, 1
-  %t436 = icmp uge i64 0, %t435
-  br i1 %t436, label %range7910, label %inrange7911
-range7910:
-  call void @finch_panic_index(ptr @.str.5229, i64 4723, i64 0, i64 %t435)
-  unreachable
-inrange7911:
-  %t437 = extractvalue { ptr, i64, i64 } %t434, 0
-  %t438 = getelementptr inbounds %S.ast.Type, ptr %t437, i64 0
-  %t439 = load %S.ast.Type, ptr %t438
-  store %S.ast.Type %t439, ptr %a440
-  call void @finch.copy.S_ast_Type(ptr %a441, ptr %a440)
-  %t442 = load %S.ast.Type, ptr %a441
-  store %S.ast.Type %t442, ptr %a370
-  %t443 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t443, ptr %a444
-  call void @finch_str_copy(ptr %a445, ptr %a444)
-  %t446 = load { ptr, i64, i64 }, ptr %a445
-  store { ptr, i64, i64 } %t446, ptr %a371
-  br label %endif7906
-else7905:
-  %t447 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t448 = load { ptr, i64, i64 }, ptr %t447
-  store { ptr, i64, i64 } %t448, ptr %a449
-  store { ptr, i64, i64 } { ptr @.str.5230, i64 6, i64 0 }, ptr %a450
-  %t451 = call i32 @finch_str_eq(ptr %a449, ptr %a450)
-  %t452 = icmp ne i32 %t451, 0
-  br label %logic.from7912
-logic.from7912:
-  br i1 %t452, label %logic.end7914, label %logic.rhs7913
-logic.rhs7913:
-  %t453 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t454 = load { ptr, i64, i64 }, ptr %t453
-  store { ptr, i64, i64 } %t454, ptr %a455
-  store { ptr, i64, i64 } { ptr @.str.5231, i64 4, i64 0 }, ptr %a456
-  %t457 = call i32 @finch_str_eq(ptr %a455, ptr %a456)
-  %t458 = icmp ne i32 %t457, 0
-  br label %logic.rend7915
-logic.rend7915:
-  br label %logic.end7914
-logic.end7914:
-  %t459 = phi i1 [ true, %logic.from7912 ], [ %t458, %logic.rend7915 ]
-  br i1 %t459, label %then7916, label %endif7918
-then7916:
-  %t460 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t461 = load i1, ptr %t460
-  br i1 %t461, label %then7919, label %else7920
-then7919:
-  %t462 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t463 = getelementptr inbounds %S.gen.Place, ptr %t462, i32 0, i32 0
-  %t464 = load { ptr, i64, i64 }, ptr %t463
-  store { ptr, i64, i64 } %t464, ptr %a465
-  call void @finch_str_copy(ptr %a466, ptr %a465)
-  %t467 = load { ptr, i64, i64 }, ptr %a466
-  store { ptr, i64, i64 } %t467, ptr %a371
-  br label %endif7921
-else7920:
-  %t468 = load ptr, ptr %a1
-  %t469 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t470 = load %S.gen.Val, ptr %t469
-  %t471 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t468, %S.gen.Val %t470)
-  store { ptr, i64, i64 } %t471, ptr %a371
-  br label %endif7921
-endif7921:
-  br label %endif7918
-endif7918:
-  br label %endif7906
-endif7906:
-  %t472 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t473 = load { ptr, i64, i64 }, ptr %t472
-  store { ptr, i64, i64 } %t473, ptr %a474
-  store { ptr, i64, i64 } { ptr @.str.5232, i64 6, i64 0 }, ptr %a475
-  %t476 = call i32 @finch_str_eq(ptr %a474, ptr %a475)
-  %t477 = icmp ne i32 %t476, 0
-  br label %logic.from7922
-logic.from7922:
-  br i1 %t477, label %logic.end7924, label %logic.rhs7923
-logic.rhs7923:
-  %t478 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t479 = load { ptr, i64, i64 }, ptr %t478
-  store { ptr, i64, i64 } %t479, ptr %a480
-  store { ptr, i64, i64 } { ptr @.str.5233, i64 4, i64 0 }, ptr %a481
-  %t482 = call i32 @finch_str_eq(ptr %a480, ptr %a481)
-  %t483 = icmp ne i32 %t482, 0
-  br label %logic.rend7925
-logic.rend7925:
-  br label %logic.end7924
-logic.end7924:
-  %t484 = phi i1 [ true, %logic.from7922 ], [ %t483, %logic.rend7925 ]
-  br i1 %t484, label %then7926, label %endif7928
-then7926:
-  %t485 = load ptr, ptr %a1
-  %t486 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t487 = load { ptr, i64, i64 }, ptr %t486
-  %t488 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t489 = load { ptr, i64, i64 }, ptr %t488
-  %t490 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+inrange8341:
+  %t480 = extractvalue { ptr, i64, i64 } %t477, 0
+  %t481 = getelementptr inbounds %S.ast.Type, ptr %t480, i64 0
+  %t482 = getelementptr inbounds %S.ast.Type, ptr %t481, i32 0, i32 0
+  %t483 = load { ptr, i64, i64 }, ptr %t482
+  store { ptr, i64, i64 } %t483, ptr %a484
+  store { ptr, i64, i64 } { ptr @.str.5415, i64 6, i64 0 }, ptr %a485
+  %t486 = call i32 @finch_str_eq(ptr %a484, ptr %a485)
+  %t487 = icmp ne i32 %t486, 0
+  br label %logic.rend8342
+logic.rend8342:
+  br label %logic.end8339
+logic.end8339:
+  %t488 = phi i1 [ false, %logic.from8337 ], [ %t487, %logic.rend8342 ]
+  br i1 %t488, label %then8343, label %else8344
+then8343:
+  %t489 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t490 = getelementptr inbounds %S.gen.Val, ptr %t489, i32 0, i32 0
   %t491 = load { ptr, i64, i64 }, ptr %t490
-  %t492 = call i64 @finch.gen.findMethod(ptr %t485, { ptr, i64, i64 } %t487, { ptr, i64, i64 } %t489, { ptr, i64, i64 } %t491)
-  store i64 %t492, ptr %a493
-  %t494 = load i64, ptr %a493
-  %t495 = icmp slt i64 %t494, 0
-  br label %logic.from7929
-logic.from7929:
-  br i1 %t495, label %logic.rhs7930, label %logic.end7931
-logic.rhs7930:
-  %t496 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t497 = load { ptr, i64, i64 }, ptr %t496
-  store { ptr, i64, i64 } %t497, ptr %a498
-  store { ptr, i64, i64 } { ptr @.str.5234, i64 6, i64 0 }, ptr %a499
-  %t500 = call i32 @finch_str_eq(ptr %a498, ptr %a499)
-  %t501 = icmp ne i32 %t500, 0
-  br label %logic.rend7932
-logic.rend7932:
-  br label %logic.end7931
-logic.end7931:
-  %t502 = phi i1 [ false, %logic.from7929 ], [ %t501, %logic.rend7932 ]
-  br i1 %t502, label %then7933, label %endif7935
-then7933:
-  %t503 = load ptr, ptr %a1
-  %t504 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t505 = load { ptr, i64, i64 }, ptr %t504
-  %t506 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t507 = load { ptr, i64, i64 }, ptr %t506
-  %t508 = call i64 @finch.gen.findStruct(ptr %t503, { ptr, i64, i64 } %t505, { ptr, i64, i64 } %t507)
-  store i64 %t508, ptr %a509
-  %t510 = load ptr, ptr %a1
-  %t511 = icmp eq ptr %t510, null
-  br i1 %t511, label %panic7936, label %ok7937
-panic7936:
-  call void @finch_panic(ptr @.str.5235, i64 4736, ptr @.str.5236)
+  store { ptr, i64, i64 } %t491, ptr %a492
+  call void @finch_str_copy(ptr %a493, ptr %a492)
+  %t494 = load { ptr, i64, i64 }, ptr %a493
+  store { ptr, i64, i64 } %t494, ptr %a495
+  %t496 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t497 = load i1, ptr %t496
+  br i1 %t497, label %then8346, label %endif8348
+then8346:
+  %t498 = load ptr, ptr %a1
+  %t499 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t500 = getelementptr inbounds %S.gen.Place, ptr %t499, i32 0, i32 0
+  %t501 = load { ptr, i64, i64 }, ptr %t500
+  %t502 = call { ptr, i64, i64 } @finch.gen.load(ptr %t498, { ptr, i64, i64 } { ptr @.str.5416, i64 3, i64 0 }, { ptr, i64, i64 } %t501)
+  %t503 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } %t502, ptr %a495
+  store { ptr, i64, i64 } %t503, ptr %a504
+  call void @finch_str_drop(ptr %a504)
+  br label %endif8348
+endif8348:
+  %t505 = load ptr, ptr %a1
+  %t506 = load ptr, ptr %a1
+  %t507 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.5417, i64 12, i64 0 }, ptr %a509
+  store { ptr, i64, i64 } %t507, ptr %a510
+  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a508
+  store { ptr, i64, i64 } %t511, ptr %a513
+  store { ptr, i64, i64 } { ptr @.str.5418, i64 6, i64 0 }, ptr %a514
+  call void @finch_str_concat(ptr %a512, ptr %a513, ptr %a514)
+  store { ptr, i64, i64 } %t511, ptr %a515
+  call void @finch_str_drop(ptr %a515)
+  %t516 = load { ptr, i64, i64 }, ptr %a512
+  %t517 = call { ptr, i64, i64 } @finch.gen.op(ptr %t506, { ptr, i64, i64 } %t516)
+  store { ptr, i64, i64 } %t516, ptr %a518
+  call void @finch_str_drop(ptr %a518)
+  %t519 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t520 = load { ptr, i64, i64 }, ptr %t519
+  store { ptr, i64, i64 } { ptr @.str.5419, i64 8, i64 0 }, ptr %a522
+  store { ptr, i64, i64 } %t520, ptr %a523
+  call void @finch_str_concat(ptr %a521, ptr %a522, ptr %a523)
+  %t524 = load { ptr, i64, i64 }, ptr %a521
+  store { ptr, i64, i64 } %t524, ptr %a526
+  store { ptr, i64, i64 } { ptr @.str.5420, i64 20, i64 0 }, ptr %a527
+  call void @finch_str_concat(ptr %a525, ptr %a526, ptr %a527)
+  store { ptr, i64, i64 } %t524, ptr %a528
+  call void @finch_str_drop(ptr %a528)
+  %t529 = load { ptr, i64, i64 }, ptr %a525
+  %t530 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t505, { ptr, i64, i64 } %t517, { ptr, i64, i64 } %t529, %S.ast.Node %t530)
+  store { ptr, i64, i64 } %t517, ptr %a531
+  call void @finch_str_drop(ptr %a531)
+  store { ptr, i64, i64 } %t529, ptr %a532
+  call void @finch_str_drop(ptr %a532)
+  %t533 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 1
+  %t534 = load { ptr, i64, i64 }, ptr %t533
+  %t535 = extractvalue { ptr, i64, i64 } %t534, 1
+  %t536 = icmp uge i64 0, %t535
+  br i1 %t536, label %range8349, label %inrange8350
+range8349:
+  call void @finch_panic_index(ptr @.str.5421, i64 5104, i64 0, i64 %t535)
   unreachable
-ok7937:
-  %t512 = getelementptr inbounds %S.gen.Gen, ptr %t510, i32 0, i32 15
-  %t513 = load i64, ptr %a509
-  %t514 = load { ptr, i64, i64 }, ptr %t512
-  %t515 = extractvalue { ptr, i64, i64 } %t514, 1
-  %t516 = icmp uge i64 %t513, %t515
-  br i1 %t516, label %range7938, label %inrange7939
-range7938:
-  call void @finch_panic_index(ptr @.str.5237, i64 4736, i64 %t513, i64 %t515)
+inrange8350:
+  %t537 = extractvalue { ptr, i64, i64 } %t534, 0
+  %t538 = getelementptr inbounds %S.ast.Type, ptr %t537, i64 0
+  %t539 = load %S.ast.Type, ptr %t538
+  store %S.ast.Type %t539, ptr %a540
+  call void @finch.copy.S_ast_Type(ptr %a541, ptr %a540)
+  %t542 = load %S.ast.Type, ptr %a541
+  %t543 = load %S.ast.Type, ptr %a462
+  store %S.ast.Type %t542, ptr %a462
+  store %S.ast.Type %t543, ptr %a544
+  call void @finch.drop.S_ast_Type(ptr %a544)
+  %t545 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } %t545, ptr %a546
+  call void @finch_str_copy(ptr %a547, ptr %a546)
+  %t548 = load { ptr, i64, i64 }, ptr %a547
+  %t549 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t548, ptr %a463
+  store { ptr, i64, i64 } %t549, ptr %a550
+  call void @finch_str_drop(ptr %a550)
+  call void @finch_str_drop(ptr %a495)
+  br label %endif8345
+else8344:
+  %t551 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t552 = load { ptr, i64, i64 }, ptr %t551
+  store { ptr, i64, i64 } %t552, ptr %a553
+  store { ptr, i64, i64 } { ptr @.str.5422, i64 6, i64 0 }, ptr %a554
+  %t555 = call i32 @finch_str_eq(ptr %a553, ptr %a554)
+  %t556 = icmp ne i32 %t555, 0
+  br label %logic.from8351
+logic.from8351:
+  br i1 %t556, label %logic.end8353, label %logic.rhs8352
+logic.rhs8352:
+  %t557 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t558 = load { ptr, i64, i64 }, ptr %t557
+  store { ptr, i64, i64 } %t558, ptr %a559
+  store { ptr, i64, i64 } { ptr @.str.5423, i64 4, i64 0 }, ptr %a560
+  %t561 = call i32 @finch_str_eq(ptr %a559, ptr %a560)
+  %t562 = icmp ne i32 %t561, 0
+  br label %logic.rend8354
+logic.rend8354:
+  br label %logic.end8353
+logic.end8353:
+  %t563 = phi i1 [ true, %logic.from8351 ], [ %t562, %logic.rend8354 ]
+  br i1 %t563, label %then8355, label %endif8357
+then8355:
+  %t564 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t565 = load i1, ptr %t564
+  br i1 %t565, label %then8358, label %else8359
+then8358:
+  %t566 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t567 = getelementptr inbounds %S.gen.Place, ptr %t566, i32 0, i32 0
+  %t568 = load { ptr, i64, i64 }, ptr %t567
+  store { ptr, i64, i64 } %t568, ptr %a569
+  call void @finch_str_copy(ptr %a570, ptr %a569)
+  %t571 = load { ptr, i64, i64 }, ptr %a570
+  %t572 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t571, ptr %a463
+  store { ptr, i64, i64 } %t572, ptr %a573
+  call void @finch_str_drop(ptr %a573)
+  br label %endif8360
+else8359:
+  %t574 = load ptr, ptr %a1
+  %t575 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t576 = load %S.gen.Val, ptr %t575
+  %t577 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t574, %S.gen.Val %t576)
+  %t578 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t577, ptr %a463
+  store { ptr, i64, i64 } %t578, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  store i1 true, ptr %a464
+  br label %endif8360
+endif8360:
+  br label %endif8357
+endif8357:
+  br label %endif8345
+endif8345:
+  %t580 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t581 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } %t581, ptr %a582
+  store { ptr, i64, i64 } { ptr @.str.5424, i64 6, i64 0 }, ptr %a583
+  %t584 = call i32 @finch_str_eq(ptr %a582, ptr %a583)
+  %t585 = icmp ne i32 %t584, 0
+  br label %logic.from8361
+logic.from8361:
+  br i1 %t585, label %logic.end8363, label %logic.rhs8362
+logic.rhs8362:
+  %t586 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t587 = load { ptr, i64, i64 }, ptr %t586
+  store { ptr, i64, i64 } %t587, ptr %a588
+  store { ptr, i64, i64 } { ptr @.str.5425, i64 4, i64 0 }, ptr %a589
+  %t590 = call i32 @finch_str_eq(ptr %a588, ptr %a589)
+  %t591 = icmp ne i32 %t590, 0
+  br label %logic.rend8364
+logic.rend8364:
+  br label %logic.end8363
+logic.end8363:
+  %t592 = phi i1 [ true, %logic.from8361 ], [ %t591, %logic.rend8364 ]
+  br i1 %t592, label %then8365, label %endif8367
+then8365:
+  %t593 = load ptr, ptr %a1
+  %t594 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t595 = load { ptr, i64, i64 }, ptr %t594
+  %t596 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t597 = load { ptr, i64, i64 }, ptr %t596
+  %t598 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  %t600 = call i64 @finch.gen.findMethod(ptr %t593, { ptr, i64, i64 } %t595, { ptr, i64, i64 } %t597, { ptr, i64, i64 } %t599)
+  store i64 %t600, ptr %a601
+  %t602 = load i64, ptr %a601
+  %t603 = icmp slt i64 %t602, 0
+  br label %logic.from8368
+logic.from8368:
+  br i1 %t603, label %logic.rhs8369, label %logic.end8370
+logic.rhs8369:
+  %t604 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t605 = load { ptr, i64, i64 }, ptr %t604
+  store { ptr, i64, i64 } %t605, ptr %a606
+  store { ptr, i64, i64 } { ptr @.str.5426, i64 6, i64 0 }, ptr %a607
+  %t608 = call i32 @finch_str_eq(ptr %a606, ptr %a607)
+  %t609 = icmp ne i32 %t608, 0
+  br label %logic.rend8371
+logic.rend8371:
+  br label %logic.end8370
+logic.end8370:
+  %t610 = phi i1 [ false, %logic.from8368 ], [ %t609, %logic.rend8371 ]
+  br i1 %t610, label %then8372, label %endif8374
+then8372:
+  %t611 = load ptr, ptr %a1
+  %t612 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t613 = load { ptr, i64, i64 }, ptr %t612
+  %t614 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t615 = load { ptr, i64, i64 }, ptr %t614
+  %t616 = call i64 @finch.gen.findStruct(ptr %t611, { ptr, i64, i64 } %t613, { ptr, i64, i64 } %t615)
+  store i64 %t616, ptr %a617
+  %t618 = load ptr, ptr %a1
+  %t619 = icmp eq ptr %t618, null
+  br i1 %t619, label %panic8375, label %ok8376
+panic8375:
+  call void @finch_panic(ptr @.str.5427, i64 5118, ptr @.str.5428)
   unreachable
-inrange7939:
-  %t517 = extractvalue { ptr, i64, i64 } %t514, 0
-  %t518 = getelementptr inbounds %S.gen.StructDef, ptr %t517, i64 %t513
-  %t519 = getelementptr inbounds %S.gen.StructDef, ptr %t518, i32 0, i32 5
-  %t520 = getelementptr inbounds { ptr, i64, i64 }, ptr %t519, i32 0, i32 1
-  %t521 = load i64, ptr %t520
-  %t522 = icmp sgt i64 %t521, 0
-  br i1 %t522, label %then7940, label %endif7942
-then7940:
-  %t523 = load ptr, ptr %a1
-  %t524 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t525 = load { ptr, i64, i64 }, ptr %t524
-  %t526 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t527 = load { ptr, i64, i64 }, ptr %t526
-  %t528 = load ptr, ptr %a1
-  %t529 = icmp eq ptr %t528, null
-  br i1 %t529, label %panic7943, label %ok7944
-panic7943:
-  call void @finch_panic(ptr @.str.5238, i64 4737, ptr @.str.5239)
+ok8376:
+  %t620 = getelementptr inbounds %S.gen.Gen, ptr %t618, i32 0, i32 16
+  %t621 = load i64, ptr %a617
+  %t622 = load { ptr, i64, i64 }, ptr %t620
+  %t623 = extractvalue { ptr, i64, i64 } %t622, 1
+  %t624 = icmp uge i64 %t621, %t623
+  br i1 %t624, label %range8377, label %inrange8378
+range8377:
+  call void @finch_panic_index(ptr @.str.5429, i64 5118, i64 %t621, i64 %t623)
   unreachable
-ok7944:
-  %t530 = getelementptr inbounds %S.gen.Gen, ptr %t528, i32 0, i32 15
-  %t531 = load i64, ptr %a509
-  %t532 = load { ptr, i64, i64 }, ptr %t530
-  %t533 = extractvalue { ptr, i64, i64 } %t532, 1
-  %t534 = icmp uge i64 %t531, %t533
-  br i1 %t534, label %range7945, label %inrange7946
-range7945:
-  call void @finch_panic_index(ptr @.str.5240, i64 4737, i64 %t531, i64 %t533)
+inrange8378:
+  %t625 = extractvalue { ptr, i64, i64 } %t622, 0
+  %t626 = getelementptr inbounds %S.gen.StructDef, ptr %t625, i64 %t621
+  %t627 = getelementptr inbounds %S.gen.StructDef, ptr %t626, i32 0, i32 5
+  %t628 = getelementptr inbounds { ptr, i64, i64 }, ptr %t627, i32 0, i32 1
+  %t629 = load i64, ptr %t628
+  %t630 = icmp sgt i64 %t629, 0
+  br i1 %t630, label %then8379, label %endif8381
+then8379:
+  %t631 = load ptr, ptr %a1
+  %t632 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t633 = load { ptr, i64, i64 }, ptr %t632
+  %t634 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t635 = load { ptr, i64, i64 }, ptr %t634
+  %t636 = load ptr, ptr %a1
+  %t637 = icmp eq ptr %t636, null
+  br i1 %t637, label %panic8382, label %ok8383
+panic8382:
+  call void @finch_panic(ptr @.str.5430, i64 5119, ptr @.str.5431)
   unreachable
-inrange7946:
-  %t535 = extractvalue { ptr, i64, i64 } %t532, 0
-  %t536 = getelementptr inbounds %S.gen.StructDef, ptr %t535, i64 %t531
-  %t537 = getelementptr inbounds %S.gen.StructDef, ptr %t536, i32 0, i32 5
-  %t538 = load { ptr, i64, i64 }, ptr %t537
-  %t539 = call i64 @finch.gen.findTemplate(ptr %t523, { ptr, i64, i64 } %t525, { ptr, i64, i64 } %t527, { ptr, i64, i64 } %t538, i1 false)
-  store i64 %t539, ptr %a540
-  %t541 = load i64, ptr %a540
-  %t542 = icmp sge i64 %t541, 0
-  br i1 %t542, label %then7947, label %endif7949
-then7947:
-  %t543 = load ptr, ptr %a1
-  %t544 = load i64, ptr %a540
-  %t545 = load ptr, ptr %a1
-  %t546 = icmp eq ptr %t545, null
-  br i1 %t546, label %panic7950, label %ok7951
-panic7950:
-  call void @finch_panic(ptr @.str.5241, i64 4739, ptr @.str.5242)
+ok8383:
+  %t638 = getelementptr inbounds %S.gen.Gen, ptr %t636, i32 0, i32 16
+  %t639 = load i64, ptr %a617
+  %t640 = load { ptr, i64, i64 }, ptr %t638
+  %t641 = extractvalue { ptr, i64, i64 } %t640, 1
+  %t642 = icmp uge i64 %t639, %t641
+  br i1 %t642, label %range8384, label %inrange8385
+range8384:
+  call void @finch_panic_index(ptr @.str.5432, i64 5119, i64 %t639, i64 %t641)
   unreachable
-ok7951:
-  %t547 = getelementptr inbounds %S.gen.Gen, ptr %t545, i32 0, i32 15
-  %t548 = load i64, ptr %a509
-  %t549 = load { ptr, i64, i64 }, ptr %t547
-  %t550 = extractvalue { ptr, i64, i64 } %t549, 1
-  %t551 = icmp uge i64 %t548, %t550
-  br i1 %t551, label %range7952, label %inrange7953
-range7952:
-  call void @finch_panic_index(ptr @.str.5243, i64 4739, i64 %t548, i64 %t550)
+inrange8385:
+  %t643 = extractvalue { ptr, i64, i64 } %t640, 0
+  %t644 = getelementptr inbounds %S.gen.StructDef, ptr %t643, i64 %t639
+  %t645 = getelementptr inbounds %S.gen.StructDef, ptr %t644, i32 0, i32 5
+  %t646 = load { ptr, i64, i64 }, ptr %t645
+  %t647 = call i64 @finch.gen.findTemplate(ptr %t631, { ptr, i64, i64 } %t633, { ptr, i64, i64 } %t635, { ptr, i64, i64 } %t646, i1 false)
+  store i64 %t647, ptr %a648
+  %t649 = load i64, ptr %a648
+  %t650 = icmp sge i64 %t649, 0
+  br i1 %t650, label %then8386, label %endif8388
+then8386:
+  %t651 = load ptr, ptr %a1
+  %t652 = load i64, ptr %a648
+  %t653 = load ptr, ptr %a1
+  %t654 = icmp eq ptr %t653, null
+  br i1 %t654, label %panic8389, label %ok8390
+panic8389:
+  call void @finch_panic(ptr @.str.5433, i64 5121, ptr @.str.5434)
   unreachable
-inrange7953:
-  %t552 = extractvalue { ptr, i64, i64 } %t549, 0
-  %t553 = getelementptr inbounds %S.gen.StructDef, ptr %t552, i64 %t548
-  %t554 = getelementptr inbounds %S.gen.StructDef, ptr %t553, i32 0, i32 7
-  %t555 = load { ptr, i64, i64 }, ptr %t554
-  %t556 = load %S.ast.Type, ptr %a370
-  %t557 = load %S.ast.Node, ptr %a2
-  %t558 = call i64 @finch.gen.instFn(ptr %t543, i64 %t544, { ptr, i64, i64 } %t555, %S.ast.Type %t556, %S.ast.Node %t557)
-  store i64 %t558, ptr %a493
-  br label %endif7949
-endif7949:
-  br label %endif7942
-endif7942:
-  br label %endif7935
-endif7935:
-  %t559 = load i64, ptr %a493
-  %t560 = icmp slt i64 %t559, 0
-  br i1 %t560, label %then7954, label %endif7956
-then7954:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a561
-  %t562 = load ptr, ptr %a1
-  %t563 = icmp eq ptr %t562, null
-  br i1 %t563, label %panic7957, label %ok7958
-panic7957:
-  call void @finch_panic(ptr @.str.5244, i64 4745, ptr @.str.5245)
+ok8390:
+  %t655 = getelementptr inbounds %S.gen.Gen, ptr %t653, i32 0, i32 16
+  %t656 = load i64, ptr %a617
+  %t657 = load { ptr, i64, i64 }, ptr %t655
+  %t658 = extractvalue { ptr, i64, i64 } %t657, 1
+  %t659 = icmp uge i64 %t656, %t658
+  br i1 %t659, label %range8391, label %inrange8392
+range8391:
+  call void @finch_panic_index(ptr @.str.5435, i64 5121, i64 %t656, i64 %t658)
   unreachable
-ok7958:
-  %t564 = getelementptr inbounds %S.gen.Gen, ptr %t562, i32 0, i32 14
-  store i64 0, ptr %a565
-  br label %each.cond7959
-each.cond7959:
-  %t566 = getelementptr inbounds { ptr, i64, i64 }, ptr %t564, i32 0, i32 1
-  %t567 = load i64, ptr %t566
-  %t568 = load i64, ptr %a565
-  %t569 = icmp slt i64 %t568, %t567
-  br i1 %t569, label %each.body7960, label %each.end7962
-each.body7960:
-  %t570 = load ptr, ptr %t564
-  %t571 = getelementptr inbounds %S.gen.FnSig, ptr %t570, i64 %t568
-  %t572 = load %S.gen.FnSig, ptr %t571
-  store %S.gen.FnSig %t572, ptr %a573
-  %t574 = getelementptr inbounds %S.gen.FnSig, ptr %a573, i32 0, i32 2
-  %t575 = load { ptr, i64, i64 }, ptr %t574
-  %t576 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t577 = load { ptr, i64, i64 }, ptr %t576
-  store { ptr, i64, i64 } %t575, ptr %a578
-  store { ptr, i64, i64 } %t577, ptr %a579
-  %t580 = call i32 @finch_str_eq(ptr %a578, ptr %a579)
-  %t581 = icmp ne i32 %t580, 0
-  br label %logic.from7963
-logic.from7963:
-  br i1 %t581, label %logic.rhs7964, label %logic.end7965
-logic.rhs7964:
-  %t582 = getelementptr inbounds %S.gen.FnSig, ptr %a573, i32 0, i32 3
-  %t583 = load { ptr, i64, i64 }, ptr %t582
-  %t584 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t585 = load { ptr, i64, i64 }, ptr %t584
-  store { ptr, i64, i64 } %t583, ptr %a586
-  store { ptr, i64, i64 } %t585, ptr %a587
-  %t588 = call i32 @finch_str_eq(ptr %a586, ptr %a587)
-  %t589 = icmp ne i32 %t588, 0
-  br label %logic.rend7966
-logic.rend7966:
-  br label %logic.end7965
-logic.end7965:
-  %t590 = phi i1 [ false, %logic.from7963 ], [ %t589, %logic.rend7966 ]
-  br i1 %t590, label %then7967, label %endif7969
-then7967:
-  %t591 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  %t592 = getelementptr inbounds %S.gen.FnSig, ptr %a573, i32 0, i32 1
-  %t593 = load { ptr, i64, i64 }, ptr %t592
-  store { ptr, i64, i64 } %t593, ptr %a594
-  call void @finch_str_copy(ptr %a595, ptr %a594)
-  %t596 = load { ptr, i64, i64 }, ptr %a595
-  %t597 = load i64, ptr %t591
-  %t598 = add i64 %t597, 1
-  call void @finch_arr_reserve(ptr %a561, i64 %t598, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t599 = load ptr, ptr %a561
-  %t600 = getelementptr inbounds { ptr, i64, i64 }, ptr %t599, i64 %t597
-  store { ptr, i64, i64 } %t596, ptr %t600
-  store i64 %t598, ptr %t591
-  br label %endif7969
-endif7969:
-  br label %each.step7961
-each.step7961:
-  %t601 = load i64, ptr %a565
-  %t602 = add i64 %t601, 1
-  store i64 %t602, ptr %a565
-  br label %each.cond7959
-each.end7962:
-  %t603 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  %t604 = load i64, ptr %t603
-  %t605 = icmp eq i64 %t604, 0
-  br i1 %t605, label %then7970, label %endif7972
-then7970:
-  %t606 = load ptr, ptr %a1
-  %t607 = load %S.ast.Node, ptr %a2
-  %t608 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t609 = load { ptr, i64, i64 }, ptr %t608
-  store { ptr, i64, i64 } { ptr @.str.5246, i64 4, i64 0 }, ptr %a611
-  store { ptr, i64, i64 } %t609, ptr %a612
-  call void @finch_str_concat(ptr %a610, ptr %a611, ptr %a612)
-  %t613 = load { ptr, i64, i64 }, ptr %a610
-  store { ptr, i64, i64 } %t613, ptr %a615
-  store { ptr, i64, i64 } { ptr @.str.5247, i64 1, i64 0 }, ptr %a616
-  call void @finch_str_concat(ptr %a614, ptr %a615, ptr %a616)
-  %t617 = load { ptr, i64, i64 }, ptr %a614
-  %t618 = load %S.ast.Type, ptr %a370
-  %t619 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t618)
-  store { ptr, i64, i64 } %t617, ptr %a621
-  store { ptr, i64, i64 } %t619, ptr %a622
-  call void @finch_str_concat(ptr %a620, ptr %a621, ptr %a622)
-  %t623 = load { ptr, i64, i64 }, ptr %a620
-  store { ptr, i64, i64 } %t623, ptr %a625
-  store { ptr, i64, i64 } { ptr @.str.5248, i64 34, i64 0 }, ptr %a626
-  call void @finch_str_concat(ptr %a624, ptr %a625, ptr %a626)
-  %t627 = load { ptr, i64, i64 }, ptr %a624
-  %t628 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t629 = load { ptr, i64, i64 }, ptr %t628
-  store { ptr, i64, i64 } %t627, ptr %a631
-  store { ptr, i64, i64 } %t629, ptr %a632
-  call void @finch_str_concat(ptr %a630, ptr %a631, ptr %a632)
-  %t633 = load { ptr, i64, i64 }, ptr %a630
-  store { ptr, i64, i64 } %t633, ptr %a635
-  store { ptr, i64, i64 } { ptr @.str.5249, i64 1, i64 0 }, ptr %a636
-  call void @finch_str_concat(ptr %a634, ptr %a635, ptr %a636)
-  %t637 = load { ptr, i64, i64 }, ptr %a634
-  %t638 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t639 = load { ptr, i64, i64 }, ptr %t638
-  store { ptr, i64, i64 } %t637, ptr %a641
-  store { ptr, i64, i64 } %t639, ptr %a642
-  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
-  %t643 = load { ptr, i64, i64 }, ptr %a640
-  store { ptr, i64, i64 } %t643, ptr %a645
-  store { ptr, i64, i64 } { ptr @.str.5250, i64 13, i64 0 }, ptr %a646
-  call void @finch_str_concat(ptr %a644, ptr %a645, ptr %a646)
-  %t647 = load { ptr, i64, i64 }, ptr %a644
-  call void @finch.gen.fail(ptr %t606, %S.ast.Node %t607, { ptr, i64, i64 } %t647)
-  br label %endif7972
-endif7972:
-  %t648 = load ptr, ptr %a1
-  %t649 = load %S.ast.Node, ptr %a2
-  %t650 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t651 = load { ptr, i64, i64 }, ptr %t650
-  store { ptr, i64, i64 } { ptr @.str.5251, i64 4, i64 0 }, ptr %a653
-  store { ptr, i64, i64 } %t651, ptr %a654
-  call void @finch_str_concat(ptr %a652, ptr %a653, ptr %a654)
-  %t655 = load { ptr, i64, i64 }, ptr %a652
-  store { ptr, i64, i64 } %t655, ptr %a657
-  store { ptr, i64, i64 } { ptr @.str.5252, i64 1, i64 0 }, ptr %a658
-  call void @finch_str_concat(ptr %a656, ptr %a657, ptr %a658)
-  %t659 = load { ptr, i64, i64 }, ptr %a656
-  %t660 = load %S.ast.Type, ptr %a370
-  %t661 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t660)
-  store { ptr, i64, i64 } %t659, ptr %a663
-  store { ptr, i64, i64 } %t661, ptr %a664
-  call void @finch_str_concat(ptr %a662, ptr %a663, ptr %a664)
-  %t665 = load { ptr, i64, i64 }, ptr %a662
-  store { ptr, i64, i64 } %t665, ptr %a667
-  store { ptr, i64, i64 } { ptr @.str.5253, i64 16, i64 0 }, ptr %a668
-  call void @finch_str_concat(ptr %a666, ptr %a667, ptr %a668)
-  %t669 = load { ptr, i64, i64 }, ptr %a666
-  %t670 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t671 = load { ptr, i64, i64 }, ptr %t670
-  store { ptr, i64, i64 } %t669, ptr %a673
-  store { ptr, i64, i64 } %t671, ptr %a674
-  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
-  %t675 = load { ptr, i64, i64 }, ptr %a672
-  store { ptr, i64, i64 } %t675, ptr %a677
-  store { ptr, i64, i64 } { ptr @.str.5254, i64 11, i64 0 }, ptr %a678
-  call void @finch_str_concat(ptr %a676, ptr %a677, ptr %a678)
-  %t679 = load { ptr, i64, i64 }, ptr %a676
-  %t680 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5255, i64 2, i64 0 }, ptr %a681
-  call void @finch_str_join(ptr %a682, ptr %a561, ptr %a681)
-  %t683 = load { ptr, i64, i64 }, ptr %a682
-  store { ptr, i64, i64 } %t679, ptr %a685
+inrange8392:
+  %t660 = extractvalue { ptr, i64, i64 } %t657, 0
+  %t661 = getelementptr inbounds %S.gen.StructDef, ptr %t660, i64 %t656
+  %t662 = getelementptr inbounds %S.gen.StructDef, ptr %t661, i32 0, i32 7
+  %t663 = load { ptr, i64, i64 }, ptr %t662
+  %t664 = load %S.ast.Type, ptr %a462
+  %t665 = load %S.ast.Node, ptr %a2
+  %t666 = call i64 @finch.gen.instFn(ptr %t651, i64 %t652, { ptr, i64, i64 } %t663, %S.ast.Type %t664, %S.ast.Node %t665)
+  store i64 %t666, ptr %a601
+  br label %endif8388
+endif8388:
+  br label %endif8381
+endif8381:
+  br label %endif8374
+endif8374:
+  %t667 = load i64, ptr %a601
+  %t668 = icmp slt i64 %t667, 0
+  br i1 %t668, label %then8393, label %endif8395
+then8393:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a669
+  %t670 = load ptr, ptr %a1
+  %t671 = icmp eq ptr %t670, null
+  br i1 %t671, label %panic8396, label %ok8397
+panic8396:
+  call void @finch_panic(ptr @.str.5436, i64 5127, ptr @.str.5437)
+  unreachable
+ok8397:
+  %t672 = getelementptr inbounds %S.gen.Gen, ptr %t670, i32 0, i32 15
+  store i64 0, ptr %a673
+  br label %each.cond8398
+each.cond8398:
+  %t674 = getelementptr inbounds { ptr, i64, i64 }, ptr %t672, i32 0, i32 1
+  %t675 = load i64, ptr %t674
+  %t676 = load i64, ptr %a673
+  %t677 = icmp slt i64 %t676, %t675
+  br i1 %t677, label %each.body8399, label %each.end8401
+each.body8399:
+  %t678 = load ptr, ptr %t672
+  %t679 = getelementptr inbounds %S.gen.FnSig, ptr %t678, i64 %t676
+  %t680 = load %S.gen.FnSig, ptr %t679
+  store %S.gen.FnSig %t680, ptr %a681
+  %t682 = getelementptr inbounds %S.gen.FnSig, ptr %a681, i32 0, i32 2
+  %t683 = load { ptr, i64, i64 }, ptr %t682
+  %t684 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t685 = load { ptr, i64, i64 }, ptr %t684
   store { ptr, i64, i64 } %t683, ptr %a686
-  call void @finch_str_concat(ptr %a684, ptr %a685, ptr %a686)
-  %t687 = load { ptr, i64, i64 }, ptr %a684
-  store { ptr, i64, i64 } %t687, ptr %a689
-  store { ptr, i64, i64 } { ptr @.str.5256, i64 1, i64 0 }, ptr %a690
-  call void @finch_str_concat(ptr %a688, ptr %a689, ptr %a690)
-  %t691 = load { ptr, i64, i64 }, ptr %a688
-  call void @finch.gen.fail(ptr %t648, %S.ast.Node %t649, { ptr, i64, i64 } %t691)
-  br label %endif7956
-endif7956:
-  %t692 = load ptr, ptr %a1
-  %t693 = icmp eq ptr %t692, null
-  br i1 %t693, label %panic7973, label %ok7974
-panic7973:
-  call void @finch_panic(ptr @.str.5257, i64 4756, ptr @.str.5258)
+  store { ptr, i64, i64 } %t685, ptr %a687
+  %t688 = call i32 @finch_str_eq(ptr %a686, ptr %a687)
+  %t689 = icmp ne i32 %t688, 0
+  br label %logic.from8402
+logic.from8402:
+  br i1 %t689, label %logic.rhs8403, label %logic.end8404
+logic.rhs8403:
+  %t690 = getelementptr inbounds %S.gen.FnSig, ptr %a681, i32 0, i32 3
+  %t691 = load { ptr, i64, i64 }, ptr %t690
+  %t692 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t693 = load { ptr, i64, i64 }, ptr %t692
+  store { ptr, i64, i64 } %t691, ptr %a694
+  store { ptr, i64, i64 } %t693, ptr %a695
+  %t696 = call i32 @finch_str_eq(ptr %a694, ptr %a695)
+  %t697 = icmp ne i32 %t696, 0
+  br label %logic.rend8405
+logic.rend8405:
+  br label %logic.end8404
+logic.end8404:
+  %t698 = phi i1 [ false, %logic.from8402 ], [ %t697, %logic.rend8405 ]
+  br i1 %t698, label %then8406, label %endif8408
+then8406:
+  %t699 = getelementptr inbounds { ptr, i64, i64 }, ptr %a669, i32 0, i32 1
+  %t700 = getelementptr inbounds %S.gen.FnSig, ptr %a681, i32 0, i32 1
+  %t701 = load { ptr, i64, i64 }, ptr %t700
+  store { ptr, i64, i64 } %t701, ptr %a702
+  call void @finch_str_copy(ptr %a703, ptr %a702)
+  %t704 = load { ptr, i64, i64 }, ptr %a703
+  %t705 = load i64, ptr %t699
+  %t706 = add i64 %t705, 1
+  call void @finch_arr_reserve(ptr %a669, i64 %t706, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t707 = load ptr, ptr %a669
+  %t708 = getelementptr inbounds { ptr, i64, i64 }, ptr %t707, i64 %t705
+  store { ptr, i64, i64 } %t704, ptr %t708
+  store i64 %t706, ptr %t699
+  br label %endif8408
+endif8408:
+  br label %each.step8400
+each.step8400:
+  %t709 = load i64, ptr %a673
+  %t710 = add i64 %t709, 1
+  store i64 %t710, ptr %a673
+  br label %each.cond8398
+each.end8401:
+  %t711 = getelementptr inbounds { ptr, i64, i64 }, ptr %a669, i32 0, i32 1
+  %t712 = load i64, ptr %t711
+  %t713 = icmp eq i64 %t712, 0
+  br i1 %t713, label %then8409, label %endif8411
+then8409:
+  %t714 = load ptr, ptr %a1
+  %t715 = load %S.ast.Node, ptr %a2
+  %t716 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t717 = load { ptr, i64, i64 }, ptr %t716
+  store { ptr, i64, i64 } { ptr @.str.5438, i64 4, i64 0 }, ptr %a719
+  store { ptr, i64, i64 } %t717, ptr %a720
+  call void @finch_str_concat(ptr %a718, ptr %a719, ptr %a720)
+  %t721 = load { ptr, i64, i64 }, ptr %a718
+  store { ptr, i64, i64 } %t721, ptr %a723
+  store { ptr, i64, i64 } { ptr @.str.5439, i64 1, i64 0 }, ptr %a724
+  call void @finch_str_concat(ptr %a722, ptr %a723, ptr %a724)
+  store { ptr, i64, i64 } %t721, ptr %a725
+  call void @finch_str_drop(ptr %a725)
+  %t726 = load { ptr, i64, i64 }, ptr %a722
+  %t727 = load %S.ast.Type, ptr %a462
+  %t728 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t727)
+  store { ptr, i64, i64 } %t726, ptr %a730
+  store { ptr, i64, i64 } %t728, ptr %a731
+  call void @finch_str_concat(ptr %a729, ptr %a730, ptr %a731)
+  store { ptr, i64, i64 } %t726, ptr %a732
+  call void @finch_str_drop(ptr %a732)
+  store { ptr, i64, i64 } %t728, ptr %a733
+  call void @finch_str_drop(ptr %a733)
+  %t734 = load { ptr, i64, i64 }, ptr %a729
+  store { ptr, i64, i64 } %t734, ptr %a736
+  store { ptr, i64, i64 } { ptr @.str.5440, i64 34, i64 0 }, ptr %a737
+  call void @finch_str_concat(ptr %a735, ptr %a736, ptr %a737)
+  store { ptr, i64, i64 } %t734, ptr %a738
+  call void @finch_str_drop(ptr %a738)
+  %t739 = load { ptr, i64, i64 }, ptr %a735
+  %t740 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t741 = load { ptr, i64, i64 }, ptr %t740
+  store { ptr, i64, i64 } %t739, ptr %a743
+  store { ptr, i64, i64 } %t741, ptr %a744
+  call void @finch_str_concat(ptr %a742, ptr %a743, ptr %a744)
+  store { ptr, i64, i64 } %t739, ptr %a745
+  call void @finch_str_drop(ptr %a745)
+  %t746 = load { ptr, i64, i64 }, ptr %a742
+  store { ptr, i64, i64 } %t746, ptr %a748
+  store { ptr, i64, i64 } { ptr @.str.5441, i64 1, i64 0 }, ptr %a749
+  call void @finch_str_concat(ptr %a747, ptr %a748, ptr %a749)
+  store { ptr, i64, i64 } %t746, ptr %a750
+  call void @finch_str_drop(ptr %a750)
+  %t751 = load { ptr, i64, i64 }, ptr %a747
+  %t752 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t753 = load { ptr, i64, i64 }, ptr %t752
+  store { ptr, i64, i64 } %t751, ptr %a755
+  store { ptr, i64, i64 } %t753, ptr %a756
+  call void @finch_str_concat(ptr %a754, ptr %a755, ptr %a756)
+  store { ptr, i64, i64 } %t751, ptr %a757
+  call void @finch_str_drop(ptr %a757)
+  %t758 = load { ptr, i64, i64 }, ptr %a754
+  store { ptr, i64, i64 } %t758, ptr %a760
+  store { ptr, i64, i64 } { ptr @.str.5442, i64 13, i64 0 }, ptr %a761
+  call void @finch_str_concat(ptr %a759, ptr %a760, ptr %a761)
+  store { ptr, i64, i64 } %t758, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = load { ptr, i64, i64 }, ptr %a759
+  call void @finch.gen.fail(ptr %t714, %S.ast.Node %t715, { ptr, i64, i64 } %t763)
+  store { ptr, i64, i64 } %t763, ptr %a764
+  call void @finch_str_drop(ptr %a764)
+  br label %endif8411
+endif8411:
+  %t765 = load ptr, ptr %a1
+  %t766 = load %S.ast.Node, ptr %a2
+  %t767 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t768 = load { ptr, i64, i64 }, ptr %t767
+  store { ptr, i64, i64 } { ptr @.str.5443, i64 4, i64 0 }, ptr %a770
+  store { ptr, i64, i64 } %t768, ptr %a771
+  call void @finch_str_concat(ptr %a769, ptr %a770, ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a769
+  store { ptr, i64, i64 } %t772, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.5444, i64 1, i64 0 }, ptr %a775
+  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
+  store { ptr, i64, i64 } %t772, ptr %a776
+  call void @finch_str_drop(ptr %a776)
+  %t777 = load { ptr, i64, i64 }, ptr %a773
+  %t778 = load %S.ast.Type, ptr %a462
+  %t779 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t778)
+  store { ptr, i64, i64 } %t777, ptr %a781
+  store { ptr, i64, i64 } %t779, ptr %a782
+  call void @finch_str_concat(ptr %a780, ptr %a781, ptr %a782)
+  store { ptr, i64, i64 } %t777, ptr %a783
+  call void @finch_str_drop(ptr %a783)
+  store { ptr, i64, i64 } %t779, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = load { ptr, i64, i64 }, ptr %a780
+  store { ptr, i64, i64 } %t785, ptr %a787
+  store { ptr, i64, i64 } { ptr @.str.5445, i64 16, i64 0 }, ptr %a788
+  call void @finch_str_concat(ptr %a786, ptr %a787, ptr %a788)
+  store { ptr, i64, i64 } %t785, ptr %a789
+  call void @finch_str_drop(ptr %a789)
+  %t790 = load { ptr, i64, i64 }, ptr %a786
+  %t791 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t792 = load { ptr, i64, i64 }, ptr %t791
+  store { ptr, i64, i64 } %t790, ptr %a794
+  store { ptr, i64, i64 } %t792, ptr %a795
+  call void @finch_str_concat(ptr %a793, ptr %a794, ptr %a795)
+  store { ptr, i64, i64 } %t790, ptr %a796
+  call void @finch_str_drop(ptr %a796)
+  %t797 = load { ptr, i64, i64 }, ptr %a793
+  store { ptr, i64, i64 } %t797, ptr %a799
+  store { ptr, i64, i64 } { ptr @.str.5446, i64 11, i64 0 }, ptr %a800
+  call void @finch_str_concat(ptr %a798, ptr %a799, ptr %a800)
+  store { ptr, i64, i64 } %t797, ptr %a801
+  call void @finch_str_drop(ptr %a801)
+  %t802 = load { ptr, i64, i64 }, ptr %a798
+  %t803 = getelementptr inbounds { ptr, i64, i64 }, ptr %a669, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5447, i64 2, i64 0 }, ptr %a804
+  call void @finch_str_join(ptr %a805, ptr %a669, ptr %a804)
+  %t806 = load { ptr, i64, i64 }, ptr %a805
+  store { ptr, i64, i64 } %t802, ptr %a808
+  store { ptr, i64, i64 } %t806, ptr %a809
+  call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
+  store { ptr, i64, i64 } %t802, ptr %a810
+  call void @finch_str_drop(ptr %a810)
+  store { ptr, i64, i64 } %t806, ptr %a811
+  call void @finch_str_drop(ptr %a811)
+  %t812 = load { ptr, i64, i64 }, ptr %a807
+  store { ptr, i64, i64 } %t812, ptr %a814
+  store { ptr, i64, i64 } { ptr @.str.5448, i64 1, i64 0 }, ptr %a815
+  call void @finch_str_concat(ptr %a813, ptr %a814, ptr %a815)
+  store { ptr, i64, i64 } %t812, ptr %a816
+  call void @finch_str_drop(ptr %a816)
+  %t817 = load { ptr, i64, i64 }, ptr %a813
+  call void @finch.gen.fail(ptr %t765, %S.ast.Node %t766, { ptr, i64, i64 } %t817)
+  store { ptr, i64, i64 } %t817, ptr %a818
+  call void @finch_str_drop(ptr %a818)
+  call void @finch.drop.arr_str(ptr %a669)
+  br label %endif8395
+endif8395:
+  %t819 = load ptr, ptr %a1
+  %t820 = icmp eq ptr %t819, null
+  br i1 %t820, label %panic8412, label %ok8413
+panic8412:
+  call void @finch_panic(ptr @.str.5449, i64 5138, ptr @.str.5450)
   unreachable
-ok7974:
-  %t694 = getelementptr inbounds %S.gen.Gen, ptr %t692, i32 0, i32 14
-  %t695 = load i64, ptr %a493
-  %t696 = load { ptr, i64, i64 }, ptr %t694
-  %t697 = extractvalue { ptr, i64, i64 } %t696, 1
-  %t698 = icmp uge i64 %t695, %t697
-  br i1 %t698, label %range7975, label %inrange7976
-range7975:
-  call void @finch_panic_index(ptr @.str.5259, i64 4756, i64 %t695, i64 %t697)
+ok8413:
+  %t821 = getelementptr inbounds %S.gen.Gen, ptr %t819, i32 0, i32 15
+  %t822 = load i64, ptr %a601
+  %t823 = load { ptr, i64, i64 }, ptr %t821
+  %t824 = extractvalue { ptr, i64, i64 } %t823, 1
+  %t825 = icmp uge i64 %t822, %t824
+  br i1 %t825, label %range8414, label %inrange8415
+range8414:
+  call void @finch_panic_index(ptr @.str.5451, i64 5138, i64 %t822, i64 %t824)
   unreachable
-inrange7976:
-  %t699 = extractvalue { ptr, i64, i64 } %t696, 0
-  %t700 = getelementptr inbounds %S.gen.FnSig, ptr %t699, i64 %t695
-  %t701 = getelementptr inbounds %S.gen.FnSig, ptr %t700, i32 0, i32 10
-  %t702 = load i1, ptr %t701
-  br label %logic.from7977
-logic.from7977:
-  br i1 %t702, label %logic.rhs7978, label %logic.end7979
-logic.rhs7978:
-  %t703 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t704 = load { ptr, i64, i64 }, ptr %t703
-  store { ptr, i64, i64 } %t704, ptr %a705
-  store { ptr, i64, i64 } { ptr @.str.5260, i64 6, i64 0 }, ptr %a706
-  %t707 = call i32 @finch_str_eq(ptr %a705, ptr %a706)
-  %t708 = icmp ne i32 %t707, 0
-  br label %logic.from7980
-logic.from7980:
-  br i1 %t708, label %logic.end7982, label %logic.rhs7981
-logic.rhs7981:
-  %t709 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t710 = load { ptr, i64, i64 }, ptr %t709
-  store { ptr, i64, i64 } %t710, ptr %a711
-  store { ptr, i64, i64 } { ptr @.str.5261, i64 4, i64 0 }, ptr %a712
-  %t713 = call i32 @finch_str_eq(ptr %a711, ptr %a712)
-  %t714 = icmp ne i32 %t713, 0
-  br label %logic.rend7983
-logic.rend7983:
-  br label %logic.end7982
-logic.end7982:
-  %t715 = phi i1 [ true, %logic.from7980 ], [ %t714, %logic.rend7983 ]
-  br label %logic.rend7984
-logic.rend7984:
-  br label %logic.end7979
-logic.end7979:
-  %t716 = phi i1 [ false, %logic.from7977 ], [ %t715, %logic.rend7984 ]
-  br i1 %t716, label %then7985, label %endif7987
-then7985:
-  %t717 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t718 = load i1, ptr %t717
-  %t719 = xor i1 %t718, true
-  br i1 %t719, label %then7988, label %endif7990
-then7988:
-  %t720 = load ptr, ptr %a1
-  %t721 = load %S.ast.Node, ptr %a2
-  %t722 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t723 = load { ptr, i64, i64 }, ptr %t722
-  store { ptr, i64, i64 } %t723, ptr %a725
-  store { ptr, i64, i64 } { ptr @.str.5262, i64 28, i64 0 }, ptr %a726
-  call void @finch_str_concat(ptr %a724, ptr %a725, ptr %a726)
-  %t727 = load { ptr, i64, i64 }, ptr %a724
-  %t728 = load %S.ast.Type, ptr %a370
-  %t729 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t728)
-  store { ptr, i64, i64 } %t727, ptr %a731
-  store { ptr, i64, i64 } %t729, ptr %a732
-  call void @finch_str_concat(ptr %a730, ptr %a731, ptr %a732)
-  %t733 = load { ptr, i64, i64 }, ptr %a730
-  store { ptr, i64, i64 } %t733, ptr %a735
-  store { ptr, i64, i64 } { ptr @.str.5263, i64 30, i64 0 }, ptr %a736
-  call void @finch_str_concat(ptr %a734, ptr %a735, ptr %a736)
-  %t737 = load { ptr, i64, i64 }, ptr %a734
-  call void @finch.gen.fail(ptr %t720, %S.ast.Node %t721, { ptr, i64, i64 } %t737)
-  br label %endif7990
-endif7990:
-  %t738 = load %S.ast.Node, ptr %a13
-  %t739 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t738)
-  store { ptr, i64, i64 } %t739, ptr %a740
-  %t741 = getelementptr inbounds { ptr, i64, i64 }, ptr %a740, i32 0, i32 1
-  %t742 = load i64, ptr %t741
-  %t743 = icmp sgt i64 %t742, 0
-  br i1 %t743, label %then7991, label %endif7993
-then7991:
-  %t744 = load ptr, ptr %a1
-  %t745 = load { ptr, i64, i64 }, ptr %a740
-  %t746 = call i64 @finch.gen.lookup(ptr %t744, { ptr, i64, i64 } %t745)
-  store i64 %t746, ptr %a747
-  %t748 = load i64, ptr %a747
-  %t749 = icmp sge i64 %t748, 0
-  br label %logic.from7994
-logic.from7994:
-  br i1 %t749, label %logic.rhs7995, label %logic.end7996
-logic.rhs7995:
-  %t750 = load ptr, ptr %a1
-  %t751 = load i64, ptr %a747
-  %t752 = call %S.gen.Var @finch.gen.varAt(ptr %t750, i64 %t751)
-  %t753 = extractvalue %S.gen.Var %t752, 3
-  br label %logic.rend7997
-logic.rend7997:
-  br label %logic.end7996
-logic.end7996:
-  %t754 = phi i1 [ false, %logic.from7994 ], [ %t753, %logic.rend7997 ]
-  br i1 %t754, label %then7998, label %endif8000
-then7998:
-  %t755 = load ptr, ptr %a1
-  %t756 = load %S.ast.Node, ptr %a2
-  %t757 = load { ptr, i64, i64 }, ptr %a740
-  store { ptr, i64, i64 } { ptr @.str.5264, i64 19, i64 0 }, ptr %a759
-  store { ptr, i64, i64 } %t757, ptr %a760
-  call void @finch_str_concat(ptr %a758, ptr %a759, ptr %a760)
-  %t761 = load { ptr, i64, i64 }, ptr %a758
-  store { ptr, i64, i64 } %t761, ptr %a763
-  store { ptr, i64, i64 } { ptr @.str.5265, i64 18, i64 0 }, ptr %a764
-  call void @finch_str_concat(ptr %a762, ptr %a763, ptr %a764)
-  %t765 = load { ptr, i64, i64 }, ptr %a762
-  call void @finch.gen.fail(ptr %t755, %S.ast.Node %t756, { ptr, i64, i64 } %t765)
-  br label %endif8000
-endif8000:
-  br label %endif7993
-endif7993:
-  br label %endif7987
-endif7987:
-  %t766 = load ptr, ptr %a1
-  %t767 = load i64, ptr %a493
-  %t768 = load %S.ast.Node, ptr %a2
-  %t769 = load %S.ast.Type, ptr %a370
-  %t770 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t769)
-  store { ptr, i64, i64 } %t770, ptr %a772
-  store { ptr, i64, i64 } { ptr @.str.5266, i64 1, i64 0 }, ptr %a773
-  call void @finch_str_concat(ptr %a771, ptr %a772, ptr %a773)
-  %t774 = load { ptr, i64, i64 }, ptr %a771
-  %t775 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t776 = load { ptr, i64, i64 }, ptr %t775
-  store { ptr, i64, i64 } %t774, ptr %a778
-  store { ptr, i64, i64 } %t776, ptr %a779
-  call void @finch_str_concat(ptr %a777, ptr %a778, ptr %a779)
-  %t780 = load { ptr, i64, i64 }, ptr %a777
-  %t781 = load { ptr, i64, i64 }, ptr %a371
-  %t782 = load %S.ast.Node, ptr %a13
-  %t783 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t782)
-  %t784 = call %S.gen.Val @finch.gen.callFn(ptr %t766, i64 %t767, %S.ast.Node %t768, i64 1, { ptr, i64, i64 } %t780, { ptr, i64, i64 } %t781, { ptr, i64, i64 } %t783)
-  ret %S.gen.Val %t784
-endif7928:
-  %t785 = load ptr, ptr %a1
-  %t786 = load %S.ast.Node, ptr %a2
-  %t787 = load %S.ast.Type, ptr %a217
-  %t788 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t787)
-  store { ptr, i64, i64 } %t788, ptr %a790
-  store { ptr, i64, i64 } { ptr @.str.5267, i64 15, i64 0 }, ptr %a791
-  call void @finch_str_concat(ptr %a789, ptr %a790, ptr %a791)
-  %t792 = load { ptr, i64, i64 }, ptr %a789
-  call void @finch.gen.fail(ptr %t785, %S.ast.Node %t786, { ptr, i64, i64 } %t792)
+inrange8415:
+  %t826 = extractvalue { ptr, i64, i64 } %t823, 0
+  %t827 = getelementptr inbounds %S.gen.FnSig, ptr %t826, i64 %t822
+  %t828 = getelementptr inbounds %S.gen.FnSig, ptr %t827, i32 0, i32 10
+  %t829 = load i1, ptr %t828
+  br label %logic.from8416
+logic.from8416:
+  br i1 %t829, label %logic.rhs8417, label %logic.end8418
+logic.rhs8417:
+  %t830 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t831 = load { ptr, i64, i64 }, ptr %t830
+  store { ptr, i64, i64 } %t831, ptr %a832
+  store { ptr, i64, i64 } { ptr @.str.5452, i64 6, i64 0 }, ptr %a833
+  %t834 = call i32 @finch_str_eq(ptr %a832, ptr %a833)
+  %t835 = icmp ne i32 %t834, 0
+  br label %logic.from8419
+logic.from8419:
+  br i1 %t835, label %logic.end8421, label %logic.rhs8420
+logic.rhs8420:
+  %t836 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t837 = load { ptr, i64, i64 }, ptr %t836
+  store { ptr, i64, i64 } %t837, ptr %a838
+  store { ptr, i64, i64 } { ptr @.str.5453, i64 4, i64 0 }, ptr %a839
+  %t840 = call i32 @finch_str_eq(ptr %a838, ptr %a839)
+  %t841 = icmp ne i32 %t840, 0
+  br label %logic.rend8422
+logic.rend8422:
+  br label %logic.end8421
+logic.end8421:
+  %t842 = phi i1 [ true, %logic.from8419 ], [ %t841, %logic.rend8422 ]
+  br label %logic.rend8423
+logic.rend8423:
+  br label %logic.end8418
+logic.end8418:
+  %t843 = phi i1 [ false, %logic.from8416 ], [ %t842, %logic.rend8423 ]
+  br i1 %t843, label %then8424, label %endif8426
+then8424:
+  %t844 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t845 = load i1, ptr %t844
+  %t846 = xor i1 %t845, true
+  br i1 %t846, label %then8427, label %endif8429
+then8427:
+  %t847 = load ptr, ptr %a1
+  %t848 = load %S.ast.Node, ptr %a2
+  %t849 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t850 = load { ptr, i64, i64 }, ptr %t849
+  store { ptr, i64, i64 } %t850, ptr %a852
+  store { ptr, i64, i64 } { ptr @.str.5454, i64 28, i64 0 }, ptr %a853
+  call void @finch_str_concat(ptr %a851, ptr %a852, ptr %a853)
+  %t854 = load { ptr, i64, i64 }, ptr %a851
+  %t855 = load %S.ast.Type, ptr %a462
+  %t856 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t855)
+  store { ptr, i64, i64 } %t854, ptr %a858
+  store { ptr, i64, i64 } %t856, ptr %a859
+  call void @finch_str_concat(ptr %a857, ptr %a858, ptr %a859)
+  store { ptr, i64, i64 } %t854, ptr %a860
+  call void @finch_str_drop(ptr %a860)
+  store { ptr, i64, i64 } %t856, ptr %a861
+  call void @finch_str_drop(ptr %a861)
+  %t862 = load { ptr, i64, i64 }, ptr %a857
+  store { ptr, i64, i64 } %t862, ptr %a864
+  store { ptr, i64, i64 } { ptr @.str.5455, i64 30, i64 0 }, ptr %a865
+  call void @finch_str_concat(ptr %a863, ptr %a864, ptr %a865)
+  store { ptr, i64, i64 } %t862, ptr %a866
+  call void @finch_str_drop(ptr %a866)
+  %t867 = load { ptr, i64, i64 }, ptr %a863
+  call void @finch.gen.fail(ptr %t847, %S.ast.Node %t848, { ptr, i64, i64 } %t867)
+  store { ptr, i64, i64 } %t867, ptr %a868
+  call void @finch_str_drop(ptr %a868)
+  br label %endif8429
+endif8429:
+  %t869 = load %S.ast.Node, ptr %a13
+  %t870 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t869)
+  store { ptr, i64, i64 } %t870, ptr %a871
+  %t872 = getelementptr inbounds { ptr, i64, i64 }, ptr %a871, i32 0, i32 1
+  %t873 = load i64, ptr %t872
+  %t874 = icmp sgt i64 %t873, 0
+  br i1 %t874, label %then8430, label %endif8432
+then8430:
+  %t875 = load ptr, ptr %a1
+  %t876 = load { ptr, i64, i64 }, ptr %a871
+  %t877 = call i64 @finch.gen.lookup(ptr %t875, { ptr, i64, i64 } %t876)
+  store i64 %t877, ptr %a878
+  %t879 = load i64, ptr %a878
+  %t880 = icmp sge i64 %t879, 0
+  br label %logic.from8433
+logic.from8433:
+  br i1 %t880, label %logic.rhs8434, label %logic.end8435
+logic.rhs8434:
+  %t881 = load ptr, ptr %a1
+  %t882 = load i64, ptr %a878
+  %t883 = call %S.gen.Var @finch.gen.varAt(ptr %t881, i64 %t882)
+  %t884 = extractvalue %S.gen.Var %t883, 3
+  store %S.gen.Var %t883, ptr %a885
+  call void @finch.drop.S_gen_Var(ptr %a885)
+  br label %logic.rend8436
+logic.rend8436:
+  br label %logic.end8435
+logic.end8435:
+  %t886 = phi i1 [ false, %logic.from8433 ], [ %t884, %logic.rend8436 ]
+  br i1 %t886, label %then8437, label %endif8439
+then8437:
+  %t887 = load ptr, ptr %a1
+  %t888 = load %S.ast.Node, ptr %a2
+  %t889 = load { ptr, i64, i64 }, ptr %a871
+  store { ptr, i64, i64 } { ptr @.str.5456, i64 19, i64 0 }, ptr %a891
+  store { ptr, i64, i64 } %t889, ptr %a892
+  call void @finch_str_concat(ptr %a890, ptr %a891, ptr %a892)
+  %t893 = load { ptr, i64, i64 }, ptr %a890
+  store { ptr, i64, i64 } %t893, ptr %a895
+  store { ptr, i64, i64 } { ptr @.str.5457, i64 18, i64 0 }, ptr %a896
+  call void @finch_str_concat(ptr %a894, ptr %a895, ptr %a896)
+  store { ptr, i64, i64 } %t893, ptr %a897
+  call void @finch_str_drop(ptr %a897)
+  %t898 = load { ptr, i64, i64 }, ptr %a894
+  call void @finch.gen.fail(ptr %t887, %S.ast.Node %t888, { ptr, i64, i64 } %t898)
+  store { ptr, i64, i64 } %t898, ptr %a899
+  call void @finch_str_drop(ptr %a899)
+  br label %endif8439
+endif8439:
+  br label %endif8432
+endif8432:
+  call void @finch_str_drop(ptr %a871)
+  br label %endif8426
+endif8426:
+  %t900 = load i1, ptr %a464
+  br label %logic.from8440
+logic.from8440:
+  br i1 %t900, label %logic.rhs8441, label %logic.end8442
+logic.rhs8441:
+  %t901 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t902 = getelementptr inbounds %S.gen.Val, ptr %t901, i32 0, i32 2
+  %t903 = load i1, ptr %t902
+  br label %logic.rend8443
+logic.rend8443:
+  br label %logic.end8442
+logic.end8442:
+  %t904 = phi i1 [ false, %logic.from8440 ], [ %t903, %logic.rend8443 ]
+  br i1 %t904, label %then8444, label %endif8446
+then8444:
+  %t905 = load ptr, ptr %a1
+  %t906 = load { ptr, i64, i64 }, ptr %a463
+  %t907 = load %S.ast.Type, ptr %a462
+  call void @finch.gen.holdAddr(ptr %t905, { ptr, i64, i64 } %t906, %S.ast.Type %t907)
+  br label %endif8446
+endif8446:
+  %t908 = load ptr, ptr %a1
+  %t909 = load i64, ptr %a601
+  %t910 = load %S.ast.Node, ptr %a2
+  %t911 = load %S.ast.Type, ptr %a462
+  %t912 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t911)
+  store { ptr, i64, i64 } %t912, ptr %a914
+  store { ptr, i64, i64 } { ptr @.str.5458, i64 1, i64 0 }, ptr %a915
+  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
+  store { ptr, i64, i64 } %t912, ptr %a916
+  call void @finch_str_drop(ptr %a916)
+  %t917 = load { ptr, i64, i64 }, ptr %a913
+  %t918 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t919 = load { ptr, i64, i64 }, ptr %t918
+  store { ptr, i64, i64 } %t917, ptr %a921
+  store { ptr, i64, i64 } %t919, ptr %a922
+  call void @finch_str_concat(ptr %a920, ptr %a921, ptr %a922)
+  store { ptr, i64, i64 } %t917, ptr %a923
+  call void @finch_str_drop(ptr %a923)
+  %t924 = load { ptr, i64, i64 }, ptr %a920
+  %t925 = load { ptr, i64, i64 }, ptr %a463
+  %t926 = load %S.ast.Node, ptr %a13
+  %t927 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t926)
+  %t928 = call %S.gen.Val @finch.gen.callFn(ptr %t908, i64 %t909, %S.ast.Node %t910, i64 1, { ptr, i64, i64 } %t924, { ptr, i64, i64 } %t925, { ptr, i64, i64 } %t927)
+  store { ptr, i64, i64 } %t924, ptr %a929
+  call void @finch_str_drop(ptr %a929)
+  store { ptr, i64, i64 } %t927, ptr %a930
+  call void @finch_str_drop(ptr %a930)
+  store %S.gen.Val %t928, ptr %a931
+  %t932 = load i1, ptr %a464
+  br label %logic.from8447
+logic.from8447:
+  br i1 %t932, label %logic.rhs8448, label %logic.end8449
+logic.rhs8448:
+  %t933 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t934 = getelementptr inbounds %S.gen.Val, ptr %t933, i32 0, i32 2
+  %t935 = load i1, ptr %t934
+  br label %logic.rend8450
+logic.rend8450:
+  br label %logic.end8449
+logic.end8449:
+  %t936 = phi i1 [ false, %logic.from8447 ], [ %t935, %logic.rend8450 ]
+  br label %logic.from8451
+logic.from8451:
+  br i1 %t936, label %logic.rhs8452, label %logic.end8453
+logic.rhs8452:
+  %t937 = load ptr, ptr %a1
+  %t938 = load %S.ast.Type, ptr %a462
+  %t939 = call i1 @finch.gen.owning(ptr %t937, %S.ast.Type %t938)
+  br label %logic.rend8454
+logic.rend8454:
+  br label %logic.end8453
+logic.end8453:
+  %t940 = phi i1 [ false, %logic.from8451 ], [ %t939, %logic.rend8454 ]
+  br i1 %t940, label %then8455, label %endif8457
+then8455:
+  %t941 = load ptr, ptr %a1
+  %t942 = load { ptr, i64, i64 }, ptr %a463
+  %t943 = load %S.ast.Type, ptr %a462
+  call void @finch.gen.dropAt(ptr %t941, { ptr, i64, i64 } %t942, %S.ast.Type %t943)
+  br label %endif8457
+endif8457:
+  %t944 = load ptr, ptr %a1
+  %t945 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t944, i64 %t945)
+  %t946 = load %S.gen.Val, ptr %a931
+  call void @finch_str_drop(ptr %a463)
+  call void @finch.drop.S_ast_Type(ptr %a462)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t946
+endif8367:
+  %t947 = load ptr, ptr %a1
+  %t948 = load %S.ast.Node, ptr %a2
+  %t949 = load %S.ast.Type, ptr %a235
+  %t950 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t949)
+  store { ptr, i64, i64 } %t950, ptr %a952
+  store { ptr, i64, i64 } { ptr @.str.5459, i64 15, i64 0 }, ptr %a953
+  call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
+  store { ptr, i64, i64 } %t950, ptr %a954
+  call void @finch_str_drop(ptr %a954)
+  %t955 = load { ptr, i64, i64 }, ptr %a951
+  call void @finch.gen.fail(ptr %t947, %S.ast.Node %t948, { ptr, i64, i64 } %t955)
+  store { ptr, i64, i64 } %t955, ptr %a956
+  call void @finch_str_drop(ptr %a956)
+  call void @finch_str_drop(ptr %a463)
+  call void @finch.drop.S_ast_Type(ptr %a462)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -71949,121 +85781,136 @@ entry:
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca %S.gen.Val, align 16
+  %a70 = alloca %S.gen.Val, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a230 = alloca %S.ast.Type, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca %S.gen.Val, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a302 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca %S.ast.Type, align 16
+  %a260 = alloca %S.ast.Type, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca %S.gen.Val, align 16
+  %a315 = alloca %S.gen.Val, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a331 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a339 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
   %a359 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
@@ -72071,410 +85918,578 @@ entry:
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
   %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca %S.ast.Type, align 16
-  %a377 = alloca %S.ast.Type, align 16
-  %a380 = alloca %S.gen.Val, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
   %a388 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a408 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
-  %a439 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca %S.ast.Type, align 16
+  %a420 = alloca %S.ast.Type, align 16
+  %a423 = alloca %S.gen.Val, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca %S.ast.Type, align 16
+  %a435 = alloca %S.ast.Type, align 16
+  %a440 = alloca %S.gen.Val, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
   %a443 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a477 = alloca { ptr, i64, i64 }, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca %S.gen.Val, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
   %a485 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
   %a492 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
-  %a494 = alloca { ptr, i64, i64 }, align 16
-  %a496 = alloca { ptr, i64, i64 }, align 16
-  %a497 = alloca { ptr, i64, i64 }, align 16
-  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
   %a501 = alloca { ptr, i64, i64 }, align 16
   %a502 = alloca { ptr, i64, i64 }, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a543 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a515 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca %S.gen.Val, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
   %a569 = alloca { ptr, i64, i64 }, align 16
-  %a583 = alloca { ptr, i64, i64 }, align 16
-  %a586 = alloca { ptr, i64, i64 }, align 16
-  %a587 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
   %a590 = alloca { ptr, i64, i64 }, align 16
   %a591 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a596 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca { ptr, i64, i64 }, align 16
-  %a606 = alloca { ptr, i64, i64 }, align 16
-  %a607 = alloca { ptr, i64, i64 }, align 16
-  %a608 = alloca { ptr, i64, i64 }, align 16
-  %a610 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca { ptr, i64, i64 }, align 16
-  %a616 = alloca { ptr, i64, i64 }, align 16
-  %a617 = alloca { ptr, i64, i64 }, align 16
+  %a615 = alloca %S.gen.Val, align 16
+  %a616 = alloca %S.ast.Type, align 16
+  %a618 = alloca { ptr, i64, i64 }, align 16
   %a619 = alloca { ptr, i64, i64 }, align 16
-  %a620 = alloca { ptr, i64, i64 }, align 16
-  %a621 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
-  %a627 = alloca { ptr, i64, i64 }, align 16
-  %a628 = alloca { ptr, i64, i64 }, align 16
-  %a629 = alloca { ptr, i64, i64 }, align 16
-  %a631 = alloca { ptr, i64, i64 }, align 16
-  %a632 = alloca { ptr, i64, i64 }, align 16
-  %a633 = alloca { ptr, i64, i64 }, align 16
-  %a638 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a648 = alloca { ptr, i64, i64 }, align 16
-  %a649 = alloca { ptr, i64, i64 }, align 16
-  %a650 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
-  %a655 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
-  %a659 = alloca { ptr, i64, i64 }, align 16
-  %a662 = alloca { ptr, i64, i64 }, align 16
-  %a663 = alloca { ptr, i64, i64 }, align 16
+  %a621 = alloca %S.gen.Val, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a644 = alloca %S.gen.Val, align 16
+  %a646 = alloca %S.gen.Val, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
   %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
   %a670 = alloca { ptr, i64, i64 }, align 16
   %a671 = alloca { ptr, i64, i64 }, align 16
+  %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
+  %a690 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
+  %a693 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
   %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
   %a699 = alloca { ptr, i64, i64 }, align 16
-  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a700 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a704 = alloca { ptr, i64, i64 }, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a707 = alloca { ptr, i64, i64 }, align 16
+  %a711 = alloca { ptr, i64, i64 }, align 16
+  %a713 = alloca { ptr, i64, i64 }, align 16
   %a714 = alloca { ptr, i64, i64 }, align 16
   %a715 = alloca { ptr, i64, i64 }, align 16
   %a716 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a717 = alloca { ptr, i64, i64 }, align 16
   %a719 = alloca { ptr, i64, i64 }, align 16
   %a720 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a721 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
   %a724 = alloca { ptr, i64, i64 }, align 16
-  %a725 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
   %a728 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a732 = alloca { ptr, i64, i64 }, align 16
-  %a733 = alloca { ptr, i64, i64 }, align 16
   %a734 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
+  %a736 = alloca { ptr, i64, i64 }, align 16
   %a738 = alloca { ptr, i64, i64 }, align 16
+  %a739 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   %a741 = alloca { ptr, i64, i64 }, align 16
-  %a742 = alloca { ptr, i64, i64 }, align 16
-  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
   %a745 = alloca { ptr, i64, i64 }, align 16
   %a746 = alloca { ptr, i64, i64 }, align 16
   %a747 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
   %a750 = alloca { ptr, i64, i64 }, align 16
   %a751 = alloca { ptr, i64, i64 }, align 16
   %a752 = alloca { ptr, i64, i64 }, align 16
-  %a754 = alloca { ptr, i64, i64 }, align 16
   %a755 = alloca { ptr, i64, i64 }, align 16
   %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
   %a761 = alloca { ptr, i64, i64 }, align 16
   %a762 = alloca { ptr, i64, i64 }, align 16
-  %a763 = alloca { ptr, i64, i64 }, align 16
-  %a765 = alloca { ptr, i64, i64 }, align 16
   %a766 = alloca { ptr, i64, i64 }, align 16
   %a767 = alloca { ptr, i64, i64 }, align 16
-  %a770 = alloca { ptr, i64, i64 }, align 16
-  %a771 = alloca { ptr, i64, i64 }, align 16
-  %a775 = alloca %S.ast.Type, align 16
-  %a776 = alloca %S.ast.Type, align 16
-  %a784 = alloca { ptr, i64, i64 }, align 16
-  %a785 = alloca { ptr, i64, i64 }, align 16
-  %a810 = alloca { ptr, i64, i64 }, align 16
-  %a811 = alloca { ptr, i64, i64 }, align 16
-  %a813 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca %S.gen.Val, align 16
+  %a792 = alloca %S.ast.Type, align 16
+  %a794 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca %S.gen.Val, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
   %a816 = alloca { ptr, i64, i64 }, align 16
-  %a817 = alloca { ptr, i64, i64 }, align 16
   %a818 = alloca { ptr, i64, i64 }, align 16
+  %a819 = alloca { ptr, i64, i64 }, align 16
   %a820 = alloca { ptr, i64, i64 }, align 16
   %a821 = alloca { ptr, i64, i64 }, align 16
-  %a822 = alloca { ptr, i64, i64 }, align 16
+  %a824 = alloca { ptr, i64, i64 }, align 16
   %a825 = alloca { ptr, i64, i64 }, align 16
   %a826 = alloca { ptr, i64, i64 }, align 16
   %a827 = alloca { ptr, i64, i64 }, align 16
   %a829 = alloca { ptr, i64, i64 }, align 16
   %a830 = alloca { ptr, i64, i64 }, align 16
   %a831 = alloca { ptr, i64, i64 }, align 16
+  %a832 = alloca { ptr, i64, i64 }, align 16
+  %a835 = alloca { ptr, i64, i64 }, align 16
   %a836 = alloca { ptr, i64, i64 }, align 16
   %a837 = alloca { ptr, i64, i64 }, align 16
   %a838 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
   %a841 = alloca { ptr, i64, i64 }, align 16
-  %a842 = alloca { ptr, i64, i64 }, align 16
+  %a843 = alloca { ptr, i64, i64 }, align 16
+  %a844 = alloca { ptr, i64, i64 }, align 16
   %a847 = alloca { ptr, i64, i64 }, align 16
   %a848 = alloca { ptr, i64, i64 }, align 16
-  %a856 = alloca { ptr, i64, i64 }, align 16
+  %a849 = alloca { ptr, i64, i64 }, align 16
+  %a851 = alloca { ptr, i64, i64 }, align 16
+  %a852 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca { ptr, i64, i64 }, align 16
+  %a854 = alloca { ptr, i64, i64 }, align 16
+  %a857 = alloca { ptr, i64, i64 }, align 16
+  %a858 = alloca { ptr, i64, i64 }, align 16
+  %a859 = alloca { ptr, i64, i64 }, align 16
   %a860 = alloca { ptr, i64, i64 }, align 16
+  %a862 = alloca { ptr, i64, i64 }, align 16
   %a863 = alloca { ptr, i64, i64 }, align 16
   %a864 = alloca { ptr, i64, i64 }, align 16
   %a865 = alloca { ptr, i64, i64 }, align 16
-  %a867 = alloca { ptr, i64, i64 }, align 16
-  %a868 = alloca { ptr, i64, i64 }, align 16
-  %a869 = alloca { ptr, i64, i64 }, align 16
+  %a870 = alloca { ptr, i64, i64 }, align 16
+  %a871 = alloca { ptr, i64, i64 }, align 16
   %a872 = alloca { ptr, i64, i64 }, align 16
+  %a873 = alloca { ptr, i64, i64 }, align 16
+  %a874 = alloca { ptr, i64, i64 }, align 16
   %a876 = alloca { ptr, i64, i64 }, align 16
+  %a877 = alloca { ptr, i64, i64 }, align 16
+  %a878 = alloca { ptr, i64, i64 }, align 16
   %a879 = alloca { ptr, i64, i64 }, align 16
-  %a880 = alloca { ptr, i64, i64 }, align 16
   %a881 = alloca { ptr, i64, i64 }, align 16
   %a883 = alloca { ptr, i64, i64 }, align 16
   %a884 = alloca { ptr, i64, i64 }, align 16
-  %a885 = alloca { ptr, i64, i64 }, align 16
-  %a888 = alloca { ptr, i64, i64 }, align 16
-  %a889 = alloca { ptr, i64, i64 }, align 16
-  %a890 = alloca { ptr, i64, i64 }, align 16
-  %a892 = alloca { ptr, i64, i64 }, align 16
-  %a893 = alloca { ptr, i64, i64 }, align 16
-  %a894 = alloca { ptr, i64, i64 }, align 16
-  %a902 = alloca { ptr, i64, i64 }, align 16
-  %a903 = alloca { ptr, i64, i64 }, align 16
-  %a904 = alloca { ptr, i64, i64 }, align 16
-  %a907 = alloca { ptr, i64, i64 }, align 16
-  %a911 = alloca { ptr, i64, i64 }, align 16
-  %a912 = alloca { ptr, i64, i64 }, align 16
-  %a913 = alloca { ptr, i64, i64 }, align 16
-  %a915 = alloca { ptr, i64, i64 }, align 16
-  %a916 = alloca { ptr, i64, i64 }, align 16
-  %a917 = alloca { ptr, i64, i64 }, align 16
-  %a920 = alloca { ptr, i64, i64 }, align 16
-  %a921 = alloca { ptr, i64, i64 }, align 16
-  %a922 = alloca { ptr, i64, i64 }, align 16
-  %a924 = alloca { ptr, i64, i64 }, align 16
+  %a888 = alloca %S.ast.Type, align 16
+  %a889 = alloca %S.ast.Type, align 16
+  %a897 = alloca { ptr, i64, i64 }, align 16
+  %a898 = alloca { ptr, i64, i64 }, align 16
+  %a922 = alloca %S.gen.Val, align 16
+  %a923 = alloca %S.ast.Type, align 16
   %a925 = alloca { ptr, i64, i64 }, align 16
   %a926 = alloca { ptr, i64, i64 }, align 16
-  %a934 = alloca { ptr, i64, i64 }, align 16
-  %a935 = alloca { ptr, i64, i64 }, align 16
+  %a928 = alloca %S.gen.Val, align 16
+  %a929 = alloca { ptr, i64, i64 }, align 16
   %a936 = alloca { ptr, i64, i64 }, align 16
-  %a939 = alloca { ptr, i64, i64 }, align 16
+  %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a940 = alloca { ptr, i64, i64 }, align 16
+  %a941 = alloca { ptr, i64, i64 }, align 16
   %a942 = alloca { ptr, i64, i64 }, align 16
   %a943 = alloca { ptr, i64, i64 }, align 16
-  %a944 = alloca { ptr, i64, i64 }, align 16
   %a946 = alloca { ptr, i64, i64 }, align 16
   %a947 = alloca { ptr, i64, i64 }, align 16
   %a948 = alloca { ptr, i64, i64 }, align 16
+  %a949 = alloca { ptr, i64, i64 }, align 16
   %a951 = alloca { ptr, i64, i64 }, align 16
   %a952 = alloca { ptr, i64, i64 }, align 16
   %a953 = alloca { ptr, i64, i64 }, align 16
-  %a955 = alloca { ptr, i64, i64 }, align 16
-  %a956 = alloca { ptr, i64, i64 }, align 16
-  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
   %a960 = alloca { ptr, i64, i64 }, align 16
   %a961 = alloca { ptr, i64, i64 }, align 16
   %a962 = alloca { ptr, i64, i64 }, align 16
+  %a963 = alloca { ptr, i64, i64 }, align 16
   %a965 = alloca { ptr, i64, i64 }, align 16
+  %a966 = alloca { ptr, i64, i64 }, align 16
+  %a967 = alloca { ptr, i64, i64 }, align 16
+  %a968 = alloca { ptr, i64, i64 }, align 16
   %a970 = alloca { ptr, i64, i64 }, align 16
+  %a974 = alloca { ptr, i64, i64 }, align 16
   %a975 = alloca { ptr, i64, i64 }, align 16
-  %a989 = alloca { ptr, i64, i64 }, align 16
+  %a983 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
   %a990 = alloca { ptr, i64, i64 }, align 16
+  %a991 = alloca { ptr, i64, i64 }, align 16
+  %a992 = alloca { ptr, i64, i64 }, align 16
+  %a994 = alloca { ptr, i64, i64 }, align 16
+  %a995 = alloca { ptr, i64, i64 }, align 16
+  %a996 = alloca { ptr, i64, i64 }, align 16
+  %a997 = alloca { ptr, i64, i64 }, align 16
+  %a1000 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca { ptr, i64, i64 }, align 16
+  %a1005 = alloca { ptr, i64, i64 }, align 16
+  %a1008 = alloca { ptr, i64, i64 }, align 16
+  %a1009 = alloca { ptr, i64, i64 }, align 16
+  %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
+  %a1013 = alloca { ptr, i64, i64 }, align 16
+  %a1014 = alloca { ptr, i64, i64 }, align 16
   %a1015 = alloca { ptr, i64, i64 }, align 16
-  %a1016 = alloca { ptr, i64, i64 }, align 16
   %a1018 = alloca { ptr, i64, i64 }, align 16
-  %a1039 = alloca { ptr, i64, i64 }, align 16
+  %a1019 = alloca { ptr, i64, i64 }, align 16
+  %a1020 = alloca { ptr, i64, i64 }, align 16
+  %a1021 = alloca { ptr, i64, i64 }, align 16
+  %a1023 = alloca { ptr, i64, i64 }, align 16
+  %a1024 = alloca { ptr, i64, i64 }, align 16
+  %a1025 = alloca { ptr, i64, i64 }, align 16
+  %a1026 = alloca { ptr, i64, i64 }, align 16
+  %a1034 = alloca { ptr, i64, i64 }, align 16
+  %a1035 = alloca { ptr, i64, i64 }, align 16
+  %a1036 = alloca { ptr, i64, i64 }, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
   %a1040 = alloca { ptr, i64, i64 }, align 16
-  %a1042 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
+  %a1045 = alloca { ptr, i64, i64 }, align 16
   %a1046 = alloca { ptr, i64, i64 }, align 16
+  %a1047 = alloca { ptr, i64, i64 }, align 16
   %a1049 = alloca { ptr, i64, i64 }, align 16
   %a1050 = alloca { ptr, i64, i64 }, align 16
   %a1051 = alloca { ptr, i64, i64 }, align 16
-  %a1053 = alloca { ptr, i64, i64 }, align 16
-  %a1054 = alloca { ptr, i64, i64 }, align 16
+  %a1052 = alloca { ptr, i64, i64 }, align 16
   %a1055 = alloca { ptr, i64, i64 }, align 16
+  %a1056 = alloca { ptr, i64, i64 }, align 16
+  %a1057 = alloca { ptr, i64, i64 }, align 16
   %a1058 = alloca { ptr, i64, i64 }, align 16
+  %a1059 = alloca { ptr, i64, i64 }, align 16
   %a1061 = alloca { ptr, i64, i64 }, align 16
   %a1062 = alloca { ptr, i64, i64 }, align 16
   %a1063 = alloca { ptr, i64, i64 }, align 16
-  %a1065 = alloca { ptr, i64, i64 }, align 16
-  %a1066 = alloca { ptr, i64, i64 }, align 16
-  %a1067 = alloca { ptr, i64, i64 }, align 16
-  %a1070 = alloca { ptr, i64, i64 }, align 16
-  %a1071 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
   %a1072 = alloca { ptr, i64, i64 }, align 16
+  %a1073 = alloca { ptr, i64, i64 }, align 16
+  %a1074 = alloca { ptr, i64, i64 }, align 16
   %a1075 = alloca { ptr, i64, i64 }, align 16
   %a1078 = alloca { ptr, i64, i64 }, align 16
   %a1079 = alloca { ptr, i64, i64 }, align 16
-  %a1080 = alloca { ptr, i64, i64 }, align 16
   %a1082 = alloca { ptr, i64, i64 }, align 16
   %a1083 = alloca { ptr, i64, i64 }, align 16
   %a1084 = alloca { ptr, i64, i64 }, align 16
+  %a1086 = alloca { ptr, i64, i64 }, align 16
   %a1087 = alloca { ptr, i64, i64 }, align 16
   %a1088 = alloca { ptr, i64, i64 }, align 16
   %a1089 = alloca { ptr, i64, i64 }, align 16
   %a1092 = alloca { ptr, i64, i64 }, align 16
+  %a1093 = alloca { ptr, i64, i64 }, align 16
+  %a1094 = alloca { ptr, i64, i64 }, align 16
+  %a1095 = alloca { ptr, i64, i64 }, align 16
   %a1097 = alloca { ptr, i64, i64 }, align 16
   %a1098 = alloca { ptr, i64, i64 }, align 16
   %a1099 = alloca { ptr, i64, i64 }, align 16
-  %a1101 = alloca { ptr, i64, i64 }, align 16
-  %a1102 = alloca { ptr, i64, i64 }, align 16
+  %a1100 = alloca { ptr, i64, i64 }, align 16
   %a1103 = alloca { ptr, i64, i64 }, align 16
+  %a1104 = alloca { ptr, i64, i64 }, align 16
+  %a1105 = alloca { ptr, i64, i64 }, align 16
   %a1106 = alloca { ptr, i64, i64 }, align 16
-  %a1107 = alloca { ptr, i64, i64 }, align 16
-  %a1108 = alloca { ptr, i64, i64 }, align 16
-  %a1111 = alloca { ptr, i64, i64 }, align 16
-  %a1112 = alloca { ptr, i64, i64 }, align 16
-  %a1113 = alloca { ptr, i64, i64 }, align 16
+  %a1109 = alloca { ptr, i64, i64 }, align 16
+  %a1110 = alloca { ptr, i64, i64 }, align 16
   %a1115 = alloca { ptr, i64, i64 }, align 16
-  %a1116 = alloca { ptr, i64, i64 }, align 16
-  %a1117 = alloca { ptr, i64, i64 }, align 16
   %a1120 = alloca { ptr, i64, i64 }, align 16
-  %a1121 = alloca { ptr, i64, i64 }, align 16
-  %a1122 = alloca { ptr, i64, i64 }, align 16
-  %a1128 = alloca { ptr, i64, i64 }, align 16
-  %a1129 = alloca { ptr, i64, i64 }, align 16
-  %a1130 = alloca { ptr, i64, i64 }, align 16
-  %a1132 = alloca { ptr, i64, i64 }, align 16
-  %a1133 = alloca { ptr, i64, i64 }, align 16
   %a1134 = alloca { ptr, i64, i64 }, align 16
-  %a1137 = alloca { ptr, i64, i64 }, align 16
-  %a1138 = alloca { ptr, i64, i64 }, align 16
-  %a1139 = alloca { ptr, i64, i64 }, align 16
-  %a1142 = alloca { ptr, i64, i64 }, align 16
-  %a1145 = alloca { ptr, i64, i64 }, align 16
-  %a1148 = alloca { ptr, i64, i64 }, align 16
-  %a1149 = alloca { ptr, i64, i64 }, align 16
-  %a1150 = alloca { ptr, i64, i64 }, align 16
-  %a1152 = alloca { ptr, i64, i64 }, align 16
-  %a1153 = alloca { ptr, i64, i64 }, align 16
-  %a1154 = alloca { ptr, i64, i64 }, align 16
-  %a1157 = alloca { ptr, i64, i64 }, align 16
-  %a1158 = alloca { ptr, i64, i64 }, align 16
-  %a1159 = alloca { ptr, i64, i64 }, align 16
-  %a1161 = alloca { ptr, i64, i64 }, align 16
+  %a1135 = alloca { ptr, i64, i64 }, align 16
+  %a1159 = alloca %S.gen.Val, align 16
+  %a1160 = alloca %S.ast.Type, align 16
   %a1162 = alloca { ptr, i64, i64 }, align 16
   %a1163 = alloca { ptr, i64, i64 }, align 16
-  %a1168 = alloca { ptr, i64, i64 }, align 16
-  %a1169 = alloca { ptr, i64, i64 }, align 16
-  %a1170 = alloca { ptr, i64, i64 }, align 16
-  %a1172 = alloca { ptr, i64, i64 }, align 16
-  %a1173 = alloca { ptr, i64, i64 }, align 16
-  %a1174 = alloca { ptr, i64, i64 }, align 16
-  %a1179 = alloca { ptr, i64, i64 }, align 16
-  %a1183 = alloca { ptr, i64, i64 }, align 16
-  %a1187 = alloca { ptr, i64, i64 }, align 16
+  %a1165 = alloca %S.gen.Val, align 16
+  %a1166 = alloca { ptr, i64, i64 }, align 16
+  %a1186 = alloca %S.gen.Val, align 16
+  %a1187 = alloca %S.ast.Type, align 16
+  %a1189 = alloca { ptr, i64, i64 }, align 16
   %a1190 = alloca { ptr, i64, i64 }, align 16
-  %a1191 = alloca { ptr, i64, i64 }, align 16
-  %a1192 = alloca { ptr, i64, i64 }, align 16
-  %a1194 = alloca { ptr, i64, i64 }, align 16
-  %a1195 = alloca { ptr, i64, i64 }, align 16
-  %a1196 = alloca { ptr, i64, i64 }, align 16
-  %a1199 = alloca { ptr, i64, i64 }, align 16
+  %a1192 = alloca %S.gen.Val, align 16
+  %a1193 = alloca { ptr, i64, i64 }, align 16
+  %a1197 = alloca { ptr, i64, i64 }, align 16
   %a1200 = alloca { ptr, i64, i64 }, align 16
   %a1201 = alloca { ptr, i64, i64 }, align 16
-  %a1203 = alloca { ptr, i64, i64 }, align 16
+  %a1202 = alloca { ptr, i64, i64 }, align 16
   %a1204 = alloca { ptr, i64, i64 }, align 16
   %a1205 = alloca { ptr, i64, i64 }, align 16
-  %a1213 = alloca { ptr, i64, i64 }, align 16
+  %a1206 = alloca { ptr, i64, i64 }, align 16
+  %a1207 = alloca { ptr, i64, i64 }, align 16
+  %a1210 = alloca { ptr, i64, i64 }, align 16
+  %a1211 = alloca { ptr, i64, i64 }, align 16
   %a1214 = alloca { ptr, i64, i64 }, align 16
   %a1215 = alloca { ptr, i64, i64 }, align 16
+  %a1216 = alloca { ptr, i64, i64 }, align 16
   %a1218 = alloca { ptr, i64, i64 }, align 16
+  %a1219 = alloca { ptr, i64, i64 }, align 16
+  %a1220 = alloca { ptr, i64, i64 }, align 16
   %a1221 = alloca { ptr, i64, i64 }, align 16
-  %a1222 = alloca { ptr, i64, i64 }, align 16
-  %a1223 = alloca { ptr, i64, i64 }, align 16
+  %a1224 = alloca { ptr, i64, i64 }, align 16
   %a1225 = alloca { ptr, i64, i64 }, align 16
   %a1226 = alloca { ptr, i64, i64 }, align 16
   %a1227 = alloca { ptr, i64, i64 }, align 16
   %a1230 = alloca { ptr, i64, i64 }, align 16
   %a1231 = alloca { ptr, i64, i64 }, align 16
-  %a1232 = alloca { ptr, i64, i64 }, align 16
   %a1234 = alloca { ptr, i64, i64 }, align 16
   %a1235 = alloca { ptr, i64, i64 }, align 16
   %a1236 = alloca { ptr, i64, i64 }, align 16
+  %a1238 = alloca { ptr, i64, i64 }, align 16
+  %a1239 = alloca { ptr, i64, i64 }, align 16
   %a1240 = alloca { ptr, i64, i64 }, align 16
   %a1241 = alloca { ptr, i64, i64 }, align 16
-  %a1242 = alloca { ptr, i64, i64 }, align 16
   %a1244 = alloca { ptr, i64, i64 }, align 16
   %a1245 = alloca { ptr, i64, i64 }, align 16
   %a1246 = alloca { ptr, i64, i64 }, align 16
-  %a1254 = alloca { ptr, i64, i64 }, align 16
-  %a1255 = alloca { ptr, i64, i64 }, align 16
+  %a1247 = alloca { ptr, i64, i64 }, align 16
+  %a1250 = alloca { ptr, i64, i64 }, align 16
+  %a1251 = alloca { ptr, i64, i64 }, align 16
   %a1256 = alloca { ptr, i64, i64 }, align 16
-  %a1259 = alloca { ptr, i64, i64 }, align 16
+  %a1257 = alloca { ptr, i64, i64 }, align 16
+  %a1258 = alloca { ptr, i64, i64 }, align 16
   %a1260 = alloca { ptr, i64, i64 }, align 16
   %a1261 = alloca { ptr, i64, i64 }, align 16
-  %a1264 = alloca { ptr, i64, i64 }, align 16
-  %a1276 = alloca %S.ast.Type, align 16
-  %a1277 = alloca %S.ast.Type, align 16
-  %a1282 = alloca { ptr, i64, i64 }, align 16
-  %a1283 = alloca { ptr, i64, i64 }, align 16
+  %a1262 = alloca { ptr, i64, i64 }, align 16
+  %a1263 = alloca { ptr, i64, i64 }, align 16
+  %a1266 = alloca { ptr, i64, i64 }, align 16
+  %a1267 = alloca { ptr, i64, i64 }, align 16
+  %a1268 = alloca { ptr, i64, i64 }, align 16
+  %a1269 = alloca { ptr, i64, i64 }, align 16
+  %a1272 = alloca { ptr, i64, i64 }, align 16
+  %a1273 = alloca { ptr, i64, i64 }, align 16
+  %a1274 = alloca { ptr, i64, i64 }, align 16
+  %a1275 = alloca { ptr, i64, i64 }, align 16
+  %a1276 = alloca { ptr, i64, i64 }, align 16
+  %a1278 = alloca { ptr, i64, i64 }, align 16
+  %a1279 = alloca { ptr, i64, i64 }, align 16
+  %a1280 = alloca { ptr, i64, i64 }, align 16
+  %a1281 = alloca { ptr, i64, i64 }, align 16
+  %a1284 = alloca { ptr, i64, i64 }, align 16
+  %a1285 = alloca { ptr, i64, i64 }, align 16
+  %a1286 = alloca { ptr, i64, i64 }, align 16
+  %a1287 = alloca { ptr, i64, i64 }, align 16
   %a1290 = alloca { ptr, i64, i64 }, align 16
-  %a1291 = alloca { ptr, i64, i64 }, align 16
-  %a1293 = alloca { ptr, i64, i64 }, align 16
-  %a1298 = alloca { ptr, i64, i64 }, align 16
+  %a1292 = alloca { ptr, i64, i64 }, align 16
+  %a1295 = alloca { ptr, i64, i64 }, align 16
+  %a1296 = alloca { ptr, i64, i64 }, align 16
+  %a1297 = alloca { ptr, i64, i64 }, align 16
   %a1299 = alloca { ptr, i64, i64 }, align 16
-  %a1304 = alloca { ptr, i64, i64 }, align 16
+  %a1300 = alloca { ptr, i64, i64 }, align 16
+  %a1301 = alloca { ptr, i64, i64 }, align 16
+  %a1302 = alloca { ptr, i64, i64 }, align 16
   %a1305 = alloca { ptr, i64, i64 }, align 16
-  %a1314 = alloca { ptr, i64, i64 }, align 16
+  %a1306 = alloca { ptr, i64, i64 }, align 16
+  %a1307 = alloca { ptr, i64, i64 }, align 16
+  %a1308 = alloca { ptr, i64, i64 }, align 16
+  %a1311 = alloca { ptr, i64, i64 }, align 16
+  %a1312 = alloca { ptr, i64, i64 }, align 16
+  %a1315 = alloca { ptr, i64, i64 }, align 16
   %a1318 = alloca { ptr, i64, i64 }, align 16
+  %a1319 = alloca { ptr, i64, i64 }, align 16
+  %a1320 = alloca { ptr, i64, i64 }, align 16
   %a1322 = alloca { ptr, i64, i64 }, align 16
+  %a1323 = alloca { ptr, i64, i64 }, align 16
+  %a1324 = alloca { ptr, i64, i64 }, align 16
   %a1325 = alloca { ptr, i64, i64 }, align 16
-  %a1326 = alloca { ptr, i64, i64 }, align 16
-  %a1327 = alloca { ptr, i64, i64 }, align 16
+  %a1328 = alloca { ptr, i64, i64 }, align 16
   %a1329 = alloca { ptr, i64, i64 }, align 16
   %a1330 = alloca { ptr, i64, i64 }, align 16
   %a1331 = alloca { ptr, i64, i64 }, align 16
+  %a1333 = alloca { ptr, i64, i64 }, align 16
   %a1334 = alloca { ptr, i64, i64 }, align 16
   %a1335 = alloca { ptr, i64, i64 }, align 16
   %a1336 = alloca { ptr, i64, i64 }, align 16
-  %a1338 = alloca { ptr, i64, i64 }, align 16
-  %a1339 = alloca { ptr, i64, i64 }, align 16
-  %a1340 = alloca { ptr, i64, i64 }, align 16
+  %a1341 = alloca { ptr, i64, i64 }, align 16
+  %a1342 = alloca { ptr, i64, i64 }, align 16
+  %a1343 = alloca { ptr, i64, i64 }, align 16
+  %a1344 = alloca { ptr, i64, i64 }, align 16
   %a1345 = alloca { ptr, i64, i64 }, align 16
-  %a1346 = alloca { ptr, i64, i64 }, align 16
   %a1347 = alloca { ptr, i64, i64 }, align 16
+  %a1348 = alloca { ptr, i64, i64 }, align 16
   %a1349 = alloca { ptr, i64, i64 }, align 16
   %a1350 = alloca { ptr, i64, i64 }, align 16
-  %a1351 = alloca { ptr, i64, i64 }, align 16
-  %a1354 = alloca { ptr, i64, i64 }, align 16
-  %a1355 = alloca { ptr, i64, i64 }, align 16
+  %a1352 = alloca { ptr, i64, i64 }, align 16
   %a1356 = alloca { ptr, i64, i64 }, align 16
-  %a1358 = alloca { ptr, i64, i64 }, align 16
-  %a1359 = alloca { ptr, i64, i64 }, align 16
   %a1360 = alloca { ptr, i64, i64 }, align 16
+  %a1364 = alloca { ptr, i64, i64 }, align 16
   %a1367 = alloca { ptr, i64, i64 }, align 16
   %a1368 = alloca { ptr, i64, i64 }, align 16
   %a1369 = alloca { ptr, i64, i64 }, align 16
   %a1371 = alloca { ptr, i64, i64 }, align 16
   %a1372 = alloca { ptr, i64, i64 }, align 16
   %a1373 = alloca { ptr, i64, i64 }, align 16
+  %a1374 = alloca { ptr, i64, i64 }, align 16
+  %a1377 = alloca { ptr, i64, i64 }, align 16
+  %a1378 = alloca { ptr, i64, i64 }, align 16
+  %a1379 = alloca { ptr, i64, i64 }, align 16
+  %a1380 = alloca { ptr, i64, i64 }, align 16
+  %a1382 = alloca { ptr, i64, i64 }, align 16
+  %a1383 = alloca { ptr, i64, i64 }, align 16
+  %a1384 = alloca { ptr, i64, i64 }, align 16
+  %a1385 = alloca { ptr, i64, i64 }, align 16
+  %a1393 = alloca { ptr, i64, i64 }, align 16
+  %a1394 = alloca { ptr, i64, i64 }, align 16
+  %a1395 = alloca { ptr, i64, i64 }, align 16
+  %a1396 = alloca { ptr, i64, i64 }, align 16
+  %a1399 = alloca { ptr, i64, i64 }, align 16
+  %a1400 = alloca { ptr, i64, i64 }, align 16
+  %a1403 = alloca { ptr, i64, i64 }, align 16
+  %a1404 = alloca { ptr, i64, i64 }, align 16
+  %a1405 = alloca { ptr, i64, i64 }, align 16
+  %a1407 = alloca { ptr, i64, i64 }, align 16
+  %a1408 = alloca { ptr, i64, i64 }, align 16
+  %a1409 = alloca { ptr, i64, i64 }, align 16
+  %a1410 = alloca { ptr, i64, i64 }, align 16
+  %a1413 = alloca { ptr, i64, i64 }, align 16
+  %a1414 = alloca { ptr, i64, i64 }, align 16
+  %a1415 = alloca { ptr, i64, i64 }, align 16
+  %a1416 = alloca { ptr, i64, i64 }, align 16
+  %a1418 = alloca { ptr, i64, i64 }, align 16
+  %a1419 = alloca { ptr, i64, i64 }, align 16
+  %a1420 = alloca { ptr, i64, i64 }, align 16
+  %a1421 = alloca { ptr, i64, i64 }, align 16
+  %a1425 = alloca { ptr, i64, i64 }, align 16
+  %a1426 = alloca { ptr, i64, i64 }, align 16
+  %a1427 = alloca { ptr, i64, i64 }, align 16
+  %a1429 = alloca { ptr, i64, i64 }, align 16
+  %a1430 = alloca { ptr, i64, i64 }, align 16
+  %a1431 = alloca { ptr, i64, i64 }, align 16
+  %a1432 = alloca { ptr, i64, i64 }, align 16
+  %a1440 = alloca { ptr, i64, i64 }, align 16
+  %a1441 = alloca { ptr, i64, i64 }, align 16
+  %a1442 = alloca { ptr, i64, i64 }, align 16
+  %a1443 = alloca { ptr, i64, i64 }, align 16
+  %a1446 = alloca { ptr, i64, i64 }, align 16
+  %a1447 = alloca { ptr, i64, i64 }, align 16
+  %a1448 = alloca { ptr, i64, i64 }, align 16
+  %a1449 = alloca { ptr, i64, i64 }, align 16
+  %a1450 = alloca { ptr, i64, i64 }, align 16
+  %a1451 = alloca { ptr, i64, i64 }, align 16
+  %a1454 = alloca { ptr, i64, i64 }, align 16
+  %a1455 = alloca { ptr, i64, i64 }, align 16
+  %a1467 = alloca %S.ast.Type, align 16
+  %a1468 = alloca %S.ast.Type, align 16
+  %a1473 = alloca { ptr, i64, i64 }, align 16
+  %a1474 = alloca { ptr, i64, i64 }, align 16
+  %a1481 = alloca { ptr, i64, i64 }, align 16
+  %a1482 = alloca { ptr, i64, i64 }, align 16
+  %a1484 = alloca { ptr, i64, i64 }, align 16
+  %a1489 = alloca { ptr, i64, i64 }, align 16
+  %a1490 = alloca { ptr, i64, i64 }, align 16
+  %a1495 = alloca { ptr, i64, i64 }, align 16
+  %a1496 = alloca { ptr, i64, i64 }, align 16
+  %a1505 = alloca { ptr, i64, i64 }, align 16
+  %a1509 = alloca { ptr, i64, i64 }, align 16
+  %a1513 = alloca { ptr, i64, i64 }, align 16
+  %a1516 = alloca { ptr, i64, i64 }, align 16
+  %a1517 = alloca { ptr, i64, i64 }, align 16
+  %a1518 = alloca { ptr, i64, i64 }, align 16
+  %a1520 = alloca { ptr, i64, i64 }, align 16
+  %a1521 = alloca { ptr, i64, i64 }, align 16
+  %a1522 = alloca { ptr, i64, i64 }, align 16
+  %a1523 = alloca { ptr, i64, i64 }, align 16
+  %a1526 = alloca { ptr, i64, i64 }, align 16
+  %a1527 = alloca { ptr, i64, i64 }, align 16
+  %a1528 = alloca { ptr, i64, i64 }, align 16
+  %a1529 = alloca { ptr, i64, i64 }, align 16
+  %a1531 = alloca { ptr, i64, i64 }, align 16
+  %a1532 = alloca { ptr, i64, i64 }, align 16
+  %a1533 = alloca { ptr, i64, i64 }, align 16
+  %a1534 = alloca { ptr, i64, i64 }, align 16
+  %a1539 = alloca { ptr, i64, i64 }, align 16
+  %a1540 = alloca { ptr, i64, i64 }, align 16
+  %a1541 = alloca { ptr, i64, i64 }, align 16
+  %a1542 = alloca { ptr, i64, i64 }, align 16
+  %a1543 = alloca { ptr, i64, i64 }, align 16
+  %a1545 = alloca { ptr, i64, i64 }, align 16
+  %a1546 = alloca { ptr, i64, i64 }, align 16
+  %a1547 = alloca { ptr, i64, i64 }, align 16
+  %a1548 = alloca { ptr, i64, i64 }, align 16
+  %a1551 = alloca { ptr, i64, i64 }, align 16
+  %a1552 = alloca { ptr, i64, i64 }, align 16
+  %a1553 = alloca { ptr, i64, i64 }, align 16
+  %a1554 = alloca { ptr, i64, i64 }, align 16
+  %a1556 = alloca { ptr, i64, i64 }, align 16
+  %a1557 = alloca { ptr, i64, i64 }, align 16
+  %a1558 = alloca { ptr, i64, i64 }, align 16
+  %a1559 = alloca { ptr, i64, i64 }, align 16
+  %a1561 = alloca { ptr, i64, i64 }, align 16
+  %a1567 = alloca { ptr, i64, i64 }, align 16
+  %a1568 = alloca { ptr, i64, i64 }, align 16
+  %a1569 = alloca { ptr, i64, i64 }, align 16
+  %a1571 = alloca { ptr, i64, i64 }, align 16
+  %a1572 = alloca { ptr, i64, i64 }, align 16
+  %a1573 = alloca { ptr, i64, i64 }, align 16
+  %a1574 = alloca { ptr, i64, i64 }, align 16
+  %a1576 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -72483,11 +86498,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range8001, label %inrange8002
-range8001:
-  call void @finch_panic_index(ptr @.str.5268, i64 4779, i64 0, i64 %t7)
+  br i1 %t8, label %range8458, label %inrange8459
+range8458:
+  call void @finch_panic_index(ptr @.str.5460, i64 5169, i64 0, i64 %t7)
   unreachable
-inrange8002:
+inrange8459:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Type, ptr %t9, i64 0
   %t11 = load %S.ast.Type, ptr %t10
@@ -72507,1599 +86522,2505 @@ inrange8002:
   store { ptr, i64, i64 } %t24, ptr %a25
   %t26 = load ptr, ptr %a1
   %t27 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5269, i64 46, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.5461, i64 46, i64 0 }, ptr %a29
   store { ptr, i64, i64 } %t27, ptr %a30
   call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
   %t31 = load { ptr, i64, i64 }, ptr %a28
   store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.5270, i64 14, i64 0 }, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.5462, i64 14, i64 0 }, ptr %a34
   call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = call { ptr, i64, i64 } @finch.gen.op(ptr %t26, { ptr, i64, i64 } %t35)
-  store { ptr, i64, i64 } %t36, ptr %a37
-  %t38 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.5271, i64 4, i64 0 }, ptr %a40
-  %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
-  %t42 = icmp ne i32 %t41, 0
-  br i1 %t42, label %then8003, label %endif8005
-then8003:
-  %t43 = load ptr, ptr %a1
-  %t44 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t43, %S.ast.Node %t44, i64 1)
+  store { ptr, i64, i64 } %t31, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a32
+  %t37 = call { ptr, i64, i64 } @finch.gen.op(ptr %t26, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t36, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t37, ptr %a39
+  %t40 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t40, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.5463, i64 4, i64 0 }, ptr %a42
+  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
+  %t44 = icmp ne i32 %t43, 0
+  br i1 %t44, label %then8460, label %endif8462
+then8460:
   %t45 = load ptr, ptr %a1
-  %t46 = load ptr, ptr %a1
+  %t46 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t45, %S.ast.Node %t46, i64 1)
   %t47 = load ptr, ptr %a1
-  %t48 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  %t50 = extractvalue { ptr, i64, i64 } %t49, 1
-  %t51 = icmp uge i64 1, %t50
-  br i1 %t51, label %range8006, label %inrange8007
-range8006:
-  call void @finch_panic_index(ptr @.str.5272, i64 4785, i64 1, i64 %t50)
+  %t48 = load ptr, ptr %a1
+  %t49 = load ptr, ptr %a1
+  %t50 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t51 = load { ptr, i64, i64 }, ptr %t50
+  %t52 = extractvalue { ptr, i64, i64 } %t51, 1
+  %t53 = icmp uge i64 1, %t52
+  br i1 %t53, label %range8463, label %inrange8464
+range8463:
+  call void @finch_panic_index(ptr @.str.5464, i64 5175, i64 1, i64 %t52)
   unreachable
-inrange8007:
-  %t52 = extractvalue { ptr, i64, i64 } %t49, 0
-  %t53 = getelementptr inbounds %S.ast.Node, ptr %t52, i64 1
-  %t54 = load %S.ast.Node, ptr %t53
-  %t55 = load %S.ast.Type, ptr %a15
-  %t56 = call %S.gen.Val @finch.gen.exprWant(ptr %t47, %S.ast.Node %t54, %S.ast.Type %t55)
+inrange8464:
+  %t54 = extractvalue { ptr, i64, i64 } %t51, 0
+  %t55 = getelementptr inbounds %S.ast.Node, ptr %t54, i64 1
+  %t56 = load %S.ast.Node, ptr %t55
   %t57 = load %S.ast.Type, ptr %a15
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = extractvalue { ptr, i64, i64 } %t59, 1
-  %t61 = icmp uge i64 1, %t60
-  br i1 %t61, label %range8008, label %inrange8009
-range8008:
-  call void @finch_panic_index(ptr @.str.5273, i64 4785, i64 1, i64 %t60)
+  %t58 = call %S.gen.Val @finch.gen.exprWant(ptr %t49, %S.ast.Node %t56, %S.ast.Type %t57)
+  %t59 = load %S.ast.Type, ptr %a15
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = extractvalue { ptr, i64, i64 } %t61, 1
+  %t63 = icmp uge i64 1, %t62
+  br i1 %t63, label %range8465, label %inrange8466
+range8465:
+  call void @finch_panic_index(ptr @.str.5465, i64 5175, i64 1, i64 %t62)
   unreachable
-inrange8009:
-  %t62 = extractvalue { ptr, i64, i64 } %t59, 0
-  %t63 = getelementptr inbounds %S.ast.Node, ptr %t62, i64 1
-  %t64 = load %S.ast.Node, ptr %t63
-  %t65 = call %S.gen.Val @finch.gen.coerce(ptr %t46, %S.gen.Val %t56, %S.ast.Type %t57, %S.ast.Node %t64, { ptr, i64, i64 } { ptr @.str.5274, i64 11, i64 0 })
-  %t66 = call { ptr, i64, i64 } @finch.gen.own(ptr %t45, %S.gen.Val %t65)
-  store { ptr, i64, i64 } %t66, ptr %a67
-  %t68 = load ptr, ptr %a1
-  %t69 = load { ptr, i64, i64 }, ptr %a37
-  %t70 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.5275, i64 3, i64 0 }, { ptr, i64, i64 } %t69)
-  store { ptr, i64, i64 } %t70, ptr %a71
+inrange8466:
+  %t64 = extractvalue { ptr, i64, i64 } %t61, 0
+  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 1
+  %t66 = load %S.ast.Node, ptr %t65
+  %t67 = call %S.gen.Val @finch.gen.coerce(ptr %t48, %S.gen.Val %t58, %S.ast.Type %t59, %S.ast.Node %t66, { ptr, i64, i64 } { ptr @.str.5466, i64 11, i64 0 })
+  store %S.gen.Val %t58, ptr %a68
+  call void @finch.drop.S_gen_Val(ptr %a68)
+  %t69 = call { ptr, i64, i64 } @finch.gen.own(ptr %t47, %S.gen.Val %t67)
+  store %S.gen.Val %t67, ptr %a70
+  call void @finch.drop.S_gen_Val(ptr %a70)
+  store { ptr, i64, i64 } %t69, ptr %a71
   %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.5276, i64 8, i64 0 }, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.5277, i64 3, i64 0 }, ptr %a80
+  %t73 = load { ptr, i64, i64 }, ptr %a39
+  %t74 = call { ptr, i64, i64 } @finch.gen.load(ptr %t72, { ptr, i64, i64 } { ptr @.str.5467, i64 3, i64 0 }, { ptr, i64, i64 } %t73)
+  store { ptr, i64, i64 } %t74, ptr %a75
+  %t76 = load ptr, ptr %a1
+  %t77 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.5468, i64 8, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
   call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
   %t81 = load { ptr, i64, i64 }, ptr %a78
-  %t82 = call { ptr, i64, i64 } @finch.gen.op(ptr %t72, { ptr, i64, i64 } %t81)
-  store { ptr, i64, i64 } %t82, ptr %a83
-  %t84 = load ptr, ptr %a1
-  %t85 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5278, i64 33, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.5279, i64 6, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t93, ptr %a96
-  store { ptr, i64, i64 } %t94, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.5280, i64 6, i64 0 }, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  %t103 = load ptr, ptr %a1
-  %t104 = load %S.ast.Type, ptr %a15
-  %t105 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t103, %S.ast.Type %t104)
-  store { ptr, i64, i64 } %t102, ptr %a107
-  store { ptr, i64, i64 } %t105, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  store { ptr, i64, i64 } %t109, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.5281, i64 1, i64 0 }, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  call void @finch.gen.emit(ptr %t84, { ptr, i64, i64 } %t113)
-  %t114 = load ptr, ptr %a1
-  %t115 = load { ptr, i64, i64 }, ptr %a3
-  %t116 = call { ptr, i64, i64 } @finch.gen.load(ptr %t114, { ptr, i64, i64 } { ptr @.str.5282, i64 3, i64 0 }, { ptr, i64, i64 } %t115)
-  store { ptr, i64, i64 } %t116, ptr %a117
-  %t118 = load ptr, ptr %a1
-  %t119 = load { ptr, i64, i64 }, ptr %a19
-  %t120 = load { ptr, i64, i64 }, ptr %a67
-  %t121 = load ptr, ptr %a1
-  %t122 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5283, i64 23, i64 0 }, ptr %a124
-  store { ptr, i64, i64 } %t122, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.5284, i64 6, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  %t131 = load { ptr, i64, i64 }, ptr %a117
-  store { ptr, i64, i64 } %t130, ptr %a133
-  store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.5285, i64 6, i64 0 }, ptr %a138
+  store { ptr, i64, i64 } %t81, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.5469, i64 3, i64 0 }, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t81, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a82
+  %t87 = call { ptr, i64, i64 } @finch.gen.op(ptr %t76, { ptr, i64, i64 } %t86)
+  store { ptr, i64, i64 } %t86, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  store { ptr, i64, i64 } %t87, ptr %a89
+  %t90 = load ptr, ptr %a1
+  %t91 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5470, i64 33, i64 0 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.5471, i64 6, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  %t101 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t100, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t100, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.5472, i64 6, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = load ptr, ptr %a1
+  %t113 = load %S.ast.Type, ptr %a15
+  %t114 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t112, %S.ast.Type %t113)
+  store { ptr, i64, i64 } %t111, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t111, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  store { ptr, i64, i64 } %t114, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a115
+  store { ptr, i64, i64 } %t120, ptr %a122
+  store { ptr, i64, i64 } { ptr @.str.5473, i64 1, i64 0 }, ptr %a123
+  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
+  store { ptr, i64, i64 } %t120, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  call void @finch.gen.emit(ptr %t90, { ptr, i64, i64 } %t125)
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load ptr, ptr %a1
+  %t128 = load { ptr, i64, i64 }, ptr %a3
+  %t129 = call { ptr, i64, i64 } @finch.gen.load(ptr %t127, { ptr, i64, i64 } { ptr @.str.5474, i64 3, i64 0 }, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t129, ptr %a130
+  %t131 = load ptr, ptr %a1
+  %t132 = load { ptr, i64, i64 }, ptr %a19
+  %t133 = load { ptr, i64, i64 }, ptr %a71
+  %t134 = load ptr, ptr %a1
+  %t135 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5475, i64 23, i64 0 }, ptr %a137
+  store { ptr, i64, i64 } %t135, ptr %a138
   call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
   %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t139, ptr %a142
-  store { ptr, i64, i64 } %t140, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  %t145 = call { ptr, i64, i64 } @finch.gen.op(ptr %t121, { ptr, i64, i64 } %t144)
-  call void @finch.gen.store(ptr %t118, { ptr, i64, i64 } %t119, { ptr, i64, i64 } %t120, { ptr, i64, i64 } %t145)
-  %t146 = load ptr, ptr %a1
-  %t147 = load { ptr, i64, i64 }, ptr %a83
-  %t148 = load { ptr, i64, i64 }, ptr %a37
-  call void @finch.gen.store(ptr %t146, { ptr, i64, i64 } { ptr @.str.5286, i64 3, i64 0 }, { ptr, i64, i64 } %t147, { ptr, i64, i64 } %t148)
-  %t149 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5287, i64 4, i64 0 })
-  %t150 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t149, 1
-  ret %S.gen.Val %t150
-endif8005:
-  %t151 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t151, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.5288, i64 3, i64 0 }, ptr %a153
-  %t154 = call i32 @finch_str_eq(ptr %a152, ptr %a153)
-  %t155 = icmp ne i32 %t154, 0
-  br i1 %t155, label %then8010, label %endif8012
-then8010:
-  %t156 = load ptr, ptr %a1
-  %t157 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t156, %S.ast.Node %t157, i64 0)
-  %t158 = load ptr, ptr %a1
-  %t159 = load { ptr, i64, i64 }, ptr %a37
-  %t160 = call { ptr, i64, i64 } @finch.gen.load(ptr %t158, { ptr, i64, i64 } { ptr @.str.5289, i64 3, i64 0 }, { ptr, i64, i64 } %t159)
-  store { ptr, i64, i64 } %t160, ptr %a161
-  %t162 = load ptr, ptr %a1
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.5290, i64 12, i64 0 }, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
-  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } %t168, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.5291, i64 3, i64 0 }, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  %t173 = call { ptr, i64, i64 } @finch.gen.op(ptr %t163, { ptr, i64, i64 } %t172)
-  %t174 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t162, { ptr, i64, i64 } %t173, { ptr, i64, i64 } { ptr @.str.5292, i64 23, i64 0 }, %S.ast.Node %t174)
+  store { ptr, i64, i64 } %t139, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.5476, i64 6, i64 0 }, ptr %a142
+  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
+  store { ptr, i64, i64 } %t139, ptr %a143
+  call void @finch_str_drop(ptr %a143)
+  %t144 = load { ptr, i64, i64 }, ptr %a140
+  %t145 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t144, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  store { ptr, i64, i64 } %t144, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t150, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.5477, i64 6, i64 0 }, ptr %a153
+  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  %t156 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t155, ptr %a158
+  store { ptr, i64, i64 } %t156, ptr %a159
+  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
+  store { ptr, i64, i64 } %t155, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a157
+  %t162 = call { ptr, i64, i64 } @finch.gen.op(ptr %t134, { ptr, i64, i64 } %t161)
+  store { ptr, i64, i64 } %t161, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  call void @finch.gen.store(ptr %t131, { ptr, i64, i64 } %t132, { ptr, i64, i64 } %t133, { ptr, i64, i64 } %t162)
+  store { ptr, i64, i64 } %t162, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  %t165 = load ptr, ptr %a1
+  %t166 = load { ptr, i64, i64 }, ptr %a89
+  %t167 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.store(ptr %t165, { ptr, i64, i64 } { ptr @.str.5478, i64 3, i64 0 }, { ptr, i64, i64 } %t166, { ptr, i64, i64 } %t167)
+  %t168 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5479, i64 4, i64 0 })
+  %t169 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t168, 1
+  call void @finch_str_drop(ptr %a130)
+  call void @finch_str_drop(ptr %a89)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a71)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t169
+endif8462:
+  %t170 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t170, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.5480, i64 3, i64 0 }, ptr %a172
+  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
+  %t174 = icmp ne i32 %t173, 0
+  br i1 %t174, label %then8467, label %endif8469
+then8467:
   %t175 = load ptr, ptr %a1
-  %t176 = load { ptr, i64, i64 }, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.5293, i64 8, i64 0 }, ptr %a178
-  store { ptr, i64, i64 } %t176, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t180, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.5294, i64 3, i64 0 }, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  %t185 = call { ptr, i64, i64 } @finch.gen.op(ptr %t175, { ptr, i64, i64 } %t184)
-  store { ptr, i64, i64 } %t185, ptr %a186
-  %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a3
-  %t189 = call { ptr, i64, i64 } @finch.gen.load(ptr %t187, { ptr, i64, i64 } { ptr @.str.5295, i64 3, i64 0 }, { ptr, i64, i64 } %t188)
-  store { ptr, i64, i64 } %t189, ptr %a190
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a19
-  %t193 = load ptr, ptr %a1
-  %t194 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5296, i64 23, i64 0 }, ptr %a196
-  store { ptr, i64, i64 } %t194, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t198, ptr %a200
-  store { ptr, i64, i64 } { ptr @.str.5297, i64 6, i64 0 }, ptr %a201
+  %t176 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t175, %S.ast.Node %t176, i64 0)
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a39
+  %t179 = call { ptr, i64, i64 } @finch.gen.load(ptr %t177, { ptr, i64, i64 } { ptr @.str.5481, i64 3, i64 0 }, { ptr, i64, i64 } %t178)
+  store { ptr, i64, i64 } %t179, ptr %a180
+  %t181 = load ptr, ptr %a1
+  %t182 = load ptr, ptr %a1
+  %t183 = load { ptr, i64, i64 }, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5482, i64 12, i64 0 }, ptr %a185
+  store { ptr, i64, i64 } %t183, ptr %a186
+  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a184
+  store { ptr, i64, i64 } %t187, ptr %a189
+  store { ptr, i64, i64 } { ptr @.str.5483, i64 3, i64 0 }, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  %t193 = call { ptr, i64, i64 } @finch.gen.op(ptr %t182, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  %t195 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t181, { ptr, i64, i64 } %t193, { ptr, i64, i64 } { ptr @.str.5484, i64 23, i64 0 }, %S.ast.Node %t195)
+  store { ptr, i64, i64 } %t193, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load ptr, ptr %a1
+  %t198 = load { ptr, i64, i64 }, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5485, i64 8, i64 0 }, ptr %a200
+  store { ptr, i64, i64 } %t198, ptr %a201
   call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
   %t202 = load { ptr, i64, i64 }, ptr %a199
-  %t203 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } %t202, ptr %a205
-  store { ptr, i64, i64 } %t203, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t202, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.5486, i64 3, i64 0 }, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a203
+  %t208 = call { ptr, i64, i64 } @finch.gen.op(ptr %t197, { ptr, i64, i64 } %t207)
   store { ptr, i64, i64 } %t207, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.5298, i64 6, i64 0 }, ptr %a210
-  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
-  %t211 = load { ptr, i64, i64 }, ptr %a208
-  %t212 = load { ptr, i64, i64 }, ptr %a186
-  store { ptr, i64, i64 } %t211, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  %t217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t193, { ptr, i64, i64 } %t216)
-  %t218 = call { ptr, i64, i64 } @finch.gen.load(ptr %t191, { ptr, i64, i64 } %t192, { ptr, i64, i64 } %t217)
-  store { ptr, i64, i64 } %t218, ptr %a219
-  %t220 = load ptr, ptr %a1
-  %t221 = load { ptr, i64, i64 }, ptr %a186
-  %t222 = load { ptr, i64, i64 }, ptr %a37
-  call void @finch.gen.store(ptr %t220, { ptr, i64, i64 } { ptr @.str.5299, i64 3, i64 0 }, { ptr, i64, i64 } %t221, { ptr, i64, i64 } %t222)
-  %t223 = load { ptr, i64, i64 }, ptr %a219
-  store { ptr, i64, i64 } %t223, ptr %a224
-  call void @finch_str_copy(ptr %a225, ptr %a224)
-  %t226 = load { ptr, i64, i64 }, ptr %a225
-  %t227 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t226, 0
-  %t228 = load %S.ast.Type, ptr %a15
-  store %S.ast.Type %t228, ptr %a229
-  call void @finch.copy.S_ast_Type(ptr %a230, ptr %a229)
-  %t231 = load %S.ast.Type, ptr %a230
-  %t232 = insertvalue %S.gen.Val %t227, %S.ast.Type %t231, 1
-  %t233 = load ptr, ptr %a1
-  %t234 = load %S.ast.Type, ptr %a15
-  %t235 = call i1 @finch.gen.owning(ptr %t233, %S.ast.Type %t234)
-  %t236 = insertvalue %S.gen.Val %t232, i1 %t235, 2
-  ret %S.gen.Val %t236
-endif8012:
-  %t237 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t237, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.5300, i64 5, i64 0 }, ptr %a239
-  %t240 = call i32 @finch_str_eq(ptr %a238, ptr %a239)
-  %t241 = icmp ne i32 %t240, 0
-  br i1 %t241, label %then8013, label %endif8015
-then8013:
-  %t242 = load ptr, ptr %a1
-  %t243 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t242, %S.ast.Node %t243, i64 0)
-  %t244 = load ptr, ptr %a1
-  %t245 = load { ptr, i64, i64 }, ptr %a37
-  call void @finch.gen.store(ptr %t244, { ptr, i64, i64 } { ptr @.str.5301, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5302, i64 1, i64 0 }, { ptr, i64, i64 } %t245)
-  %t246 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5303, i64 4, i64 0 })
-  %t247 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t246, 1
-  ret %S.gen.Val %t247
-endif8015:
-  %t248 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t248, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.5304, i64 4, i64 0 }, ptr %a250
-  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
-  %t252 = icmp ne i32 %t251, 0
-  br label %logic.from8016
-logic.from8016:
-  br i1 %t252, label %logic.end8018, label %logic.rhs8017
-logic.rhs8017:
-  %t253 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch_str_drop(ptr %a209)
+  store { ptr, i64, i64 } %t208, ptr %a210
+  %t211 = load ptr, ptr %a1
+  %t212 = load { ptr, i64, i64 }, ptr %a3
+  %t213 = call { ptr, i64, i64 } @finch.gen.load(ptr %t211, { ptr, i64, i64 } { ptr @.str.5487, i64 3, i64 0 }, { ptr, i64, i64 } %t212)
+  store { ptr, i64, i64 } %t213, ptr %a214
+  %t215 = load ptr, ptr %a1
+  %t216 = load { ptr, i64, i64 }, ptr %a19
+  %t217 = load ptr, ptr %a1
+  %t218 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5488, i64 23, i64 0 }, ptr %a220
+  store { ptr, i64, i64 } %t218, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t222, ptr %a224
+  store { ptr, i64, i64 } { ptr @.str.5489, i64 6, i64 0 }, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t222, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = load { ptr, i64, i64 }, ptr %a214
+  store { ptr, i64, i64 } %t227, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  store { ptr, i64, i64 } %t227, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.5490, i64 6, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  %t239 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } %t238, ptr %a241
+  store { ptr, i64, i64 } %t239, ptr %a242
+  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
+  store { ptr, i64, i64 } %t238, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  %t244 = load { ptr, i64, i64 }, ptr %a240
+  %t245 = call { ptr, i64, i64 } @finch.gen.op(ptr %t217, { ptr, i64, i64 } %t244)
+  store { ptr, i64, i64 } %t244, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  %t247 = call { ptr, i64, i64 } @finch.gen.load(ptr %t215, { ptr, i64, i64 } %t216, { ptr, i64, i64 } %t245)
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_drop(ptr %a248)
+  store { ptr, i64, i64 } %t247, ptr %a249
+  %t250 = load ptr, ptr %a1
+  %t251 = load { ptr, i64, i64 }, ptr %a210
+  %t252 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.store(ptr %t250, { ptr, i64, i64 } { ptr @.str.5491, i64 3, i64 0 }, { ptr, i64, i64 } %t251, { ptr, i64, i64 } %t252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
   store { ptr, i64, i64 } %t253, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.5305, i64 8, i64 0 }, ptr %a255
-  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
-  %t257 = icmp ne i32 %t256, 0
-  br label %logic.rend8019
-logic.rend8019:
-  br label %logic.end8018
-logic.end8018:
-  %t258 = phi i1 [ true, %logic.from8016 ], [ %t257, %logic.rend8019 ]
-  br i1 %t258, label %then8020, label %endif8022
-then8020:
-  %t259 = load ptr, ptr %a1
-  %t260 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t259, %S.ast.Node %t260, i64 1)
-  %t261 = load ptr, ptr %a1
-  %t262 = load ptr, ptr %a1
-  %t263 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t264 = load { ptr, i64, i64 }, ptr %t263
-  %t265 = extractvalue { ptr, i64, i64 } %t264, 1
-  %t266 = icmp uge i64 1, %t265
-  br i1 %t266, label %range8023, label %inrange8024
-range8023:
-  call void @finch_panic_index(ptr @.str.5306, i64 4811, i64 1, i64 %t265)
-  unreachable
-inrange8024:
-  %t267 = extractvalue { ptr, i64, i64 } %t264, 0
-  %t268 = getelementptr inbounds %S.ast.Node, ptr %t267, i64 1
-  %t269 = load %S.ast.Node, ptr %t268
-  %t270 = load %S.ast.Type, ptr %a15
-  %t271 = call %S.gen.Val @finch.gen.exprWant(ptr %t262, %S.ast.Node %t269, %S.ast.Type %t270)
-  %t272 = load %S.ast.Type, ptr %a15
-  %t273 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t274 = load { ptr, i64, i64 }, ptr %t273
-  %t275 = extractvalue { ptr, i64, i64 } %t274, 1
-  %t276 = icmp uge i64 1, %t275
-  br i1 %t276, label %range8025, label %inrange8026
-range8025:
-  call void @finch_panic_index(ptr @.str.5307, i64 4811, i64 1, i64 %t275)
-  unreachable
-inrange8026:
-  %t277 = extractvalue { ptr, i64, i64 } %t274, 0
-  %t278 = getelementptr inbounds %S.ast.Node, ptr %t277, i64 1
-  %t279 = load %S.ast.Node, ptr %t278
-  %t280 = call %S.gen.Val @finch.gen.coerce(ptr %t261, %S.gen.Val %t271, %S.ast.Type %t272, %S.ast.Node %t279, { ptr, i64, i64 } { ptr @.str.5308, i64 21, i64 0 })
-  store %S.gen.Val %t280, ptr %a281
-  %t282 = load ptr, ptr %a1
-  %t283 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t282, { ptr, i64, i64 } { ptr @.str.5309, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t283, ptr %a284
-  %t285 = load ptr, ptr %a1
-  %t286 = load { ptr, i64, i64 }, ptr %a284
-  call void @finch.gen.store(ptr %t285, { ptr, i64, i64 } { ptr @.str.5310, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5311, i64 2, i64 0 }, { ptr, i64, i64 } %t286)
-  %t287 = load ptr, ptr %a1
-  %t288 = load { ptr, i64, i64 }, ptr %a37
-  %t289 = call { ptr, i64, i64 } @finch.gen.load(ptr %t287, { ptr, i64, i64 } { ptr @.str.5312, i64 3, i64 0 }, { ptr, i64, i64 } %t288)
-  store { ptr, i64, i64 } %t289, ptr %a290
-  %t291 = load ptr, ptr %a1
-  %t292 = load { ptr, i64, i64 }, ptr %a3
-  %t293 = call { ptr, i64, i64 } @finch.gen.load(ptr %t291, { ptr, i64, i64 } { ptr @.str.5313, i64 3, i64 0 }, { ptr, i64, i64 } %t292)
-  store { ptr, i64, i64 } %t293, ptr %a294
+  call void @finch_str_copy(ptr %a255, ptr %a254)
+  %t256 = load { ptr, i64, i64 }, ptr %a255
+  %t257 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t256, 0
+  %t258 = load %S.ast.Type, ptr %a15
+  store %S.ast.Type %t258, ptr %a259
+  call void @finch.copy.S_ast_Type(ptr %a260, ptr %a259)
+  %t261 = load %S.ast.Type, ptr %a260
+  %t262 = insertvalue %S.gen.Val %t257, %S.ast.Type %t261, 1
+  %t263 = load ptr, ptr %a1
+  %t264 = load %S.ast.Type, ptr %a15
+  %t265 = call i1 @finch.gen.owning(ptr %t263, %S.ast.Type %t264)
+  %t266 = insertvalue %S.gen.Val %t262, i1 %t265, 2
+  call void @finch_str_drop(ptr %a249)
+  call void @finch_str_drop(ptr %a214)
+  call void @finch_str_drop(ptr %a210)
+  call void @finch_str_drop(ptr %a180)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t266
+endif8469:
+  %t267 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t267, ptr %a268
+  store { ptr, i64, i64 } { ptr @.str.5492, i64 5, i64 0 }, ptr %a269
+  %t270 = call i32 @finch_str_eq(ptr %a268, ptr %a269)
+  %t271 = icmp ne i32 %t270, 0
+  br i1 %t271, label %then8470, label %endif8472
+then8470:
+  %t272 = load ptr, ptr %a1
+  %t273 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t272, %S.ast.Node %t273, i64 0)
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a3
+  %t276 = load %S.ast.Type, ptr %a4
+  call void @finch.gen.dropFrom(ptr %t274, { ptr, i64, i64 } %t275, %S.ast.Type %t276, { ptr, i64, i64 } { ptr @.str.5493, i64 1, i64 0 })
+  %t277 = load ptr, ptr %a1
+  %t278 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.store(ptr %t277, { ptr, i64, i64 } { ptr @.str.5494, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5495, i64 1, i64 0 }, { ptr, i64, i64 } %t278)
+  %t279 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5496, i64 4, i64 0 })
+  %t280 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t279, 1
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t280
+endif8472:
+  %t281 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t281, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.5497, i64 4, i64 0 }, ptr %a283
+  %t284 = call i32 @finch_str_eq(ptr %a282, ptr %a283)
+  %t285 = icmp ne i32 %t284, 0
+  br label %logic.from8473
+logic.from8473:
+  br i1 %t285, label %logic.end8475, label %logic.rhs8474
+logic.rhs8474:
+  %t286 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t286, ptr %a287
+  store { ptr, i64, i64 } { ptr @.str.5498, i64 8, i64 0 }, ptr %a288
+  %t289 = call i32 @finch_str_eq(ptr %a287, ptr %a288)
+  %t290 = icmp ne i32 %t289, 0
+  br label %logic.rend8476
+logic.rend8476:
+  br label %logic.end8475
+logic.end8475:
+  %t291 = phi i1 [ true, %logic.from8473 ], [ %t290, %logic.rend8476 ]
+  br i1 %t291, label %then8477, label %endif8479
+then8477:
+  %t292 = load ptr, ptr %a1
+  %t293 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t292, %S.ast.Node %t293, i64 1)
+  %t294 = load ptr, ptr %a1
   %t295 = load ptr, ptr %a1
-  %t296 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t295, { ptr, i64, i64 } { ptr @.str.5314, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t296, ptr %a297
-  %t298 = load ptr, ptr %a1
-  %t299 = load { ptr, i64, i64 }, ptr %a297
-  call void @finch.gen.store(ptr %t298, { ptr, i64, i64 } { ptr @.str.5315, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5316, i64 1, i64 0 }, { ptr, i64, i64 } %t299)
-  %t300 = load ptr, ptr %a1
-  %t301 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t300, { ptr, i64, i64 } { ptr @.str.5317, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t301, ptr %a302
-  %t303 = load ptr, ptr %a1
-  %t304 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t303, { ptr, i64, i64 } { ptr @.str.5318, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t304, ptr %a305
-  %t306 = load ptr, ptr %a1
-  %t307 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t306, { ptr, i64, i64 } { ptr @.str.5319, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t307, ptr %a308
-  %t309 = load ptr, ptr %a1
-  %t310 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t309, { ptr, i64, i64 } { ptr @.str.5320, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t310, ptr %a311
-  %t312 = load ptr, ptr %a1
-  %t313 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t312, { ptr, i64, i64 } { ptr @.str.5321, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t313, ptr %a314
-  %t315 = load ptr, ptr %a1
-  %t316 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.br(ptr %t315, { ptr, i64, i64 } %t316)
-  %t317 = load ptr, ptr %a1
-  %t318 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.label(ptr %t317, { ptr, i64, i64 } %t318)
+  %t296 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t297 = load { ptr, i64, i64 }, ptr %t296
+  %t298 = extractvalue { ptr, i64, i64 } %t297, 1
+  %t299 = icmp uge i64 1, %t298
+  br i1 %t299, label %range8480, label %inrange8481
+range8480:
+  call void @finch_panic_index(ptr @.str.5499, i64 5202, i64 1, i64 %t298)
+  unreachable
+inrange8481:
+  %t300 = extractvalue { ptr, i64, i64 } %t297, 0
+  %t301 = getelementptr inbounds %S.ast.Node, ptr %t300, i64 1
+  %t302 = load %S.ast.Node, ptr %t301
+  %t303 = load %S.ast.Type, ptr %a15
+  %t304 = call %S.gen.Val @finch.gen.exprWant(ptr %t295, %S.ast.Node %t302, %S.ast.Type %t303)
+  %t305 = load %S.ast.Type, ptr %a15
+  %t306 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t307 = load { ptr, i64, i64 }, ptr %t306
+  %t308 = extractvalue { ptr, i64, i64 } %t307, 1
+  %t309 = icmp uge i64 1, %t308
+  br i1 %t309, label %range8482, label %inrange8483
+range8482:
+  call void @finch_panic_index(ptr @.str.5500, i64 5202, i64 1, i64 %t308)
+  unreachable
+inrange8483:
+  %t310 = extractvalue { ptr, i64, i64 } %t307, 0
+  %t311 = getelementptr inbounds %S.ast.Node, ptr %t310, i64 1
+  %t312 = load %S.ast.Node, ptr %t311
+  %t313 = call %S.gen.Val @finch.gen.coerce(ptr %t294, %S.gen.Val %t304, %S.ast.Type %t305, %S.ast.Node %t312, { ptr, i64, i64 } { ptr @.str.5501, i64 21, i64 0 })
+  store %S.gen.Val %t304, ptr %a314
+  call void @finch.drop.S_gen_Val(ptr %a314)
+  store %S.gen.Val %t313, ptr %a315
+  %t316 = load ptr, ptr %a1
+  %t317 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t316, { ptr, i64, i64 } { ptr @.str.5502, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t317, ptr %a318
   %t319 = load ptr, ptr %a1
-  %t320 = load { ptr, i64, i64 }, ptr %a297
-  %t321 = call { ptr, i64, i64 } @finch.gen.load(ptr %t319, { ptr, i64, i64 } { ptr @.str.5322, i64 3, i64 0 }, { ptr, i64, i64 } %t320)
-  store { ptr, i64, i64 } %t321, ptr %a322
-  %t323 = load ptr, ptr %a1
-  %t324 = load { ptr, i64, i64 }, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.5323, i64 13, i64 0 }, ptr %a326
-  store { ptr, i64, i64 } %t324, ptr %a327
-  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
-  %t328 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t328, ptr %a330
-  store { ptr, i64, i64 } { ptr @.str.5324, i64 2, i64 0 }, ptr %a331
-  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
-  %t332 = load { ptr, i64, i64 }, ptr %a329
-  %t333 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t332, ptr %a335
-  store { ptr, i64, i64 } %t333, ptr %a336
-  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
-  %t337 = load { ptr, i64, i64 }, ptr %a334
-  %t338 = call { ptr, i64, i64 } @finch.gen.op(ptr %t323, { ptr, i64, i64 } %t337)
+  %t320 = load { ptr, i64, i64 }, ptr %a318
+  call void @finch.gen.store(ptr %t319, { ptr, i64, i64 } { ptr @.str.5503, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5504, i64 2, i64 0 }, { ptr, i64, i64 } %t320)
+  %t321 = load ptr, ptr %a1
+  %t322 = load { ptr, i64, i64 }, ptr %a39
+  %t323 = call { ptr, i64, i64 } @finch.gen.load(ptr %t321, { ptr, i64, i64 } { ptr @.str.5505, i64 3, i64 0 }, { ptr, i64, i64 } %t322)
+  store { ptr, i64, i64 } %t323, ptr %a324
+  %t325 = load ptr, ptr %a1
+  %t326 = load { ptr, i64, i64 }, ptr %a3
+  %t327 = call { ptr, i64, i64 } @finch.gen.load(ptr %t325, { ptr, i64, i64 } { ptr @.str.5506, i64 3, i64 0 }, { ptr, i64, i64 } %t326)
+  store { ptr, i64, i64 } %t327, ptr %a328
+  %t329 = load ptr, ptr %a1
+  %t330 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t329, { ptr, i64, i64 } { ptr @.str.5507, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t330, ptr %a331
+  %t332 = load ptr, ptr %a1
+  %t333 = load { ptr, i64, i64 }, ptr %a331
+  call void @finch.gen.store(ptr %t332, { ptr, i64, i64 } { ptr @.str.5508, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5509, i64 1, i64 0 }, { ptr, i64, i64 } %t333)
+  %t334 = load ptr, ptr %a1
+  %t335 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t334, { ptr, i64, i64 } { ptr @.str.5510, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t335, ptr %a336
+  %t337 = load ptr, ptr %a1
+  %t338 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t337, { ptr, i64, i64 } { ptr @.str.5511, i64 9, i64 0 })
   store { ptr, i64, i64 } %t338, ptr %a339
   %t340 = load ptr, ptr %a1
-  %t341 = load { ptr, i64, i64 }, ptr %a339
-  %t342 = load { ptr, i64, i64 }, ptr %a305
-  %t343 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.condBr(ptr %t340, { ptr, i64, i64 } %t341, { ptr, i64, i64 } %t342, { ptr, i64, i64 } %t343)
-  %t344 = load ptr, ptr %a1
-  %t345 = load { ptr, i64, i64 }, ptr %a305
-  call void @finch.gen.label(ptr %t344, { ptr, i64, i64 } %t345)
+  %t341 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t340, { ptr, i64, i64 } { ptr @.str.5512, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t341, ptr %a342
+  %t343 = load ptr, ptr %a1
+  %t344 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t343, { ptr, i64, i64 } { ptr @.str.5513, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t344, ptr %a345
   %t346 = load ptr, ptr %a1
-  %t347 = load { ptr, i64, i64 }, ptr %a19
-  %t348 = load ptr, ptr %a1
-  %t349 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5325, i64 23, i64 0 }, ptr %a351
-  store { ptr, i64, i64 } %t349, ptr %a352
-  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
-  %t353 = load { ptr, i64, i64 }, ptr %a350
-  store { ptr, i64, i64 } %t353, ptr %a355
-  store { ptr, i64, i64 } { ptr @.str.5326, i64 6, i64 0 }, ptr %a356
-  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  %t358 = load { ptr, i64, i64 }, ptr %a294
-  store { ptr, i64, i64 } %t357, ptr %a360
+  %t347 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t346, { ptr, i64, i64 } { ptr @.str.5514, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t347, ptr %a348
+  %t349 = load ptr, ptr %a1
+  %t350 = load { ptr, i64, i64 }, ptr %a336
+  call void @finch.gen.br(ptr %t349, { ptr, i64, i64 } %t350)
+  %t351 = load ptr, ptr %a1
+  %t352 = load { ptr, i64, i64 }, ptr %a336
+  call void @finch.gen.label(ptr %t351, { ptr, i64, i64 } %t352)
+  %t353 = load ptr, ptr %a1
+  %t354 = load { ptr, i64, i64 }, ptr %a331
+  %t355 = call { ptr, i64, i64 } @finch.gen.load(ptr %t353, { ptr, i64, i64 } { ptr @.str.5515, i64 3, i64 0 }, { ptr, i64, i64 } %t354)
+  store { ptr, i64, i64 } %t355, ptr %a356
+  %t357 = load ptr, ptr %a1
+  %t358 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5516, i64 13, i64 0 }, ptr %a360
   store { ptr, i64, i64 } %t358, ptr %a361
   call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
   %t362 = load { ptr, i64, i64 }, ptr %a359
   store { ptr, i64, i64 } %t362, ptr %a364
-  store { ptr, i64, i64 } { ptr @.str.5327, i64 6, i64 0 }, ptr %a365
+  store { ptr, i64, i64 } { ptr @.str.5517, i64 2, i64 0 }, ptr %a365
   call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
-  %t366 = load { ptr, i64, i64 }, ptr %a363
-  %t367 = load { ptr, i64, i64 }, ptr %a322
-  store { ptr, i64, i64 } %t366, ptr %a369
+  store { ptr, i64, i64 } %t362, ptr %a366
+  call void @finch_str_drop(ptr %a366)
+  %t367 = load { ptr, i64, i64 }, ptr %a363
+  %t368 = load { ptr, i64, i64 }, ptr %a324
   store { ptr, i64, i64 } %t367, ptr %a370
-  call void @finch_str_concat(ptr %a368, ptr %a369, ptr %a370)
-  %t371 = load { ptr, i64, i64 }, ptr %a368
-  %t372 = call { ptr, i64, i64 } @finch.gen.op(ptr %t348, { ptr, i64, i64 } %t371)
-  %t373 = call { ptr, i64, i64 } @finch.gen.load(ptr %t346, { ptr, i64, i64 } %t347, { ptr, i64, i64 } %t372)
-  %t374 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t373, 0
-  %t375 = load %S.ast.Type, ptr %a15
-  store %S.ast.Type %t375, ptr %a376
-  call void @finch.copy.S_ast_Type(ptr %a377, ptr %a376)
-  %t378 = load %S.ast.Type, ptr %a377
-  %t379 = insertvalue %S.gen.Val %t374, %S.ast.Type %t378, 1
-  store %S.gen.Val %t379, ptr %a380
+  store { ptr, i64, i64 } %t368, ptr %a371
+  call void @finch_str_concat(ptr %a369, ptr %a370, ptr %a371)
+  store { ptr, i64, i64 } %t367, ptr %a372
+  call void @finch_str_drop(ptr %a372)
+  %t373 = load { ptr, i64, i64 }, ptr %a369
+  %t374 = call { ptr, i64, i64 } @finch.gen.op(ptr %t357, { ptr, i64, i64 } %t373)
+  store { ptr, i64, i64 } %t373, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  store { ptr, i64, i64 } %t374, ptr %a376
+  %t377 = load ptr, ptr %a1
+  %t378 = load { ptr, i64, i64 }, ptr %a376
+  %t379 = load { ptr, i64, i64 }, ptr %a339
+  %t380 = load { ptr, i64, i64 }, ptr %a348
+  call void @finch.gen.condBr(ptr %t377, { ptr, i64, i64 } %t378, { ptr, i64, i64 } %t379, { ptr, i64, i64 } %t380)
   %t381 = load ptr, ptr %a1
-  %t382 = load %S.gen.Val, ptr %a380
-  %t383 = load %S.gen.Val, ptr %a281
-  %t384 = load %S.ast.Node, ptr %a2
-  %t385 = call %S.gen.Val @finch.gen.compare(ptr %t381, { ptr, i64, i64 } { ptr @.str.5328, i64 2, i64 0 }, %S.gen.Val %t382, %S.gen.Val %t383, %S.ast.Node %t384)
-  %t386 = extractvalue %S.gen.Val %t385, 0
-  store { ptr, i64, i64 } %t386, ptr %a387
-  call void @finch_str_copy(ptr %a388, ptr %a387)
-  %t389 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t389, ptr %a390
-  %t391 = load ptr, ptr %a1
-  %t392 = load { ptr, i64, i64 }, ptr %a390
-  %t393 = load { ptr, i64, i64 }, ptr %a308
-  %t394 = load { ptr, i64, i64 }, ptr %a311
-  call void @finch.gen.condBr(ptr %t391, { ptr, i64, i64 } %t392, { ptr, i64, i64 } %t393, { ptr, i64, i64 } %t394)
-  %t395 = load ptr, ptr %a1
-  %t396 = load { ptr, i64, i64 }, ptr %a308
-  call void @finch.gen.label(ptr %t395, { ptr, i64, i64 } %t396)
-  %t397 = load ptr, ptr %a1
-  %t398 = load { ptr, i64, i64 }, ptr %a322
-  %t399 = load { ptr, i64, i64 }, ptr %a284
-  call void @finch.gen.store(ptr %t397, { ptr, i64, i64 } { ptr @.str.5329, i64 3, i64 0 }, { ptr, i64, i64 } %t398, { ptr, i64, i64 } %t399)
-  %t400 = load ptr, ptr %a1
-  %t401 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.br(ptr %t400, { ptr, i64, i64 } %t401)
-  %t402 = load ptr, ptr %a1
-  %t403 = load { ptr, i64, i64 }, ptr %a311
-  call void @finch.gen.label(ptr %t402, { ptr, i64, i64 } %t403)
-  %t404 = load ptr, ptr %a1
-  %t405 = load ptr, ptr %a1
-  %t406 = load { ptr, i64, i64 }, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.5331, i64 8, i64 0 }, ptr %a408
+  %t382 = load { ptr, i64, i64 }, ptr %a339
+  call void @finch.gen.label(ptr %t381, { ptr, i64, i64 } %t382)
+  %t383 = load ptr, ptr %a1
+  %t384 = load { ptr, i64, i64 }, ptr %a19
+  %t385 = load ptr, ptr %a1
+  %t386 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5518, i64 23, i64 0 }, ptr %a388
+  store { ptr, i64, i64 } %t386, ptr %a389
+  call void @finch_str_concat(ptr %a387, ptr %a388, ptr %a389)
+  %t390 = load { ptr, i64, i64 }, ptr %a387
+  store { ptr, i64, i64 } %t390, ptr %a392
+  store { ptr, i64, i64 } { ptr @.str.5519, i64 6, i64 0 }, ptr %a393
+  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
+  store { ptr, i64, i64 } %t390, ptr %a394
+  call void @finch_str_drop(ptr %a394)
+  %t395 = load { ptr, i64, i64 }, ptr %a391
+  %t396 = load { ptr, i64, i64 }, ptr %a328
+  store { ptr, i64, i64 } %t395, ptr %a398
+  store { ptr, i64, i64 } %t396, ptr %a399
+  call void @finch_str_concat(ptr %a397, ptr %a398, ptr %a399)
+  store { ptr, i64, i64 } %t395, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = load { ptr, i64, i64 }, ptr %a397
+  store { ptr, i64, i64 } %t401, ptr %a403
+  store { ptr, i64, i64 } { ptr @.str.5520, i64 6, i64 0 }, ptr %a404
+  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
+  store { ptr, i64, i64 } %t401, ptr %a405
+  call void @finch_str_drop(ptr %a405)
+  %t406 = load { ptr, i64, i64 }, ptr %a402
+  %t407 = load { ptr, i64, i64 }, ptr %a356
   store { ptr, i64, i64 } %t406, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  store { ptr, i64, i64 } %t410, ptr %a412
-  store { ptr, i64, i64 } { ptr @.str.5332, i64 3, i64 0 }, ptr %a413
-  call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
-  %t414 = load { ptr, i64, i64 }, ptr %a411
-  %t415 = call { ptr, i64, i64 } @finch.gen.op(ptr %t405, { ptr, i64, i64 } %t414)
-  %t416 = load { ptr, i64, i64 }, ptr %a297
-  call void @finch.gen.store(ptr %t404, { ptr, i64, i64 } { ptr @.str.5330, i64 3, i64 0 }, { ptr, i64, i64 } %t415, { ptr, i64, i64 } %t416)
-  %t417 = load ptr, ptr %a1
-  %t418 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.br(ptr %t417, { ptr, i64, i64 } %t418)
-  %t419 = load ptr, ptr %a1
-  %t420 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.label(ptr %t419, { ptr, i64, i64 } %t420)
-  %t421 = load ptr, ptr %a1
-  %t422 = load { ptr, i64, i64 }, ptr %a284
-  %t423 = call { ptr, i64, i64 } @finch.gen.load(ptr %t421, { ptr, i64, i64 } { ptr @.str.5333, i64 3, i64 0 }, { ptr, i64, i64 } %t422)
-  store { ptr, i64, i64 } %t423, ptr %a424
-  %t425 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t425, ptr %a426
-  store { ptr, i64, i64 } { ptr @.str.5334, i64 4, i64 0 }, ptr %a427
-  %t428 = call i32 @finch_str_eq(ptr %a426, ptr %a427)
-  %t429 = icmp ne i32 %t428, 0
-  br i1 %t429, label %then8027, label %endif8029
-then8027:
-  %t430 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t430, ptr %a431
-  call void @finch_str_copy(ptr %a432, ptr %a431)
-  %t433 = load { ptr, i64, i64 }, ptr %a432
-  %t434 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t433, 0
-  %t435 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5335, i64 3, i64 0 })
-  %t436 = insertvalue %S.gen.Val %t434, %S.ast.Type %t435, 1
-  ret %S.gen.Val %t436
-endif8029:
-  %t437 = load ptr, ptr %a1
-  %t438 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } { ptr @.str.5336, i64 13, i64 0 }, ptr %a440
-  store { ptr, i64, i64 } %t438, ptr %a441
-  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
-  %t442 = load { ptr, i64, i64 }, ptr %a439
-  store { ptr, i64, i64 } %t442, ptr %a444
-  store { ptr, i64, i64 } { ptr @.str.5337, i64 3, i64 0 }, ptr %a445
-  call void @finch_str_concat(ptr %a443, ptr %a444, ptr %a445)
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  %t447 = call { ptr, i64, i64 } @finch.gen.op(ptr %t437, { ptr, i64, i64 } %t446)
-  %t448 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t447, 0
-  %t449 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5338, i64 4, i64 0 })
-  %t450 = insertvalue %S.gen.Val %t448, %S.ast.Type %t449, 1
-  ret %S.gen.Val %t450
-endif8022:
-  %t451 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t451, ptr %a452
-  store { ptr, i64, i64 } { ptr @.str.5339, i64 4, i64 0 }, ptr %a453
-  %t454 = call i32 @finch_str_eq(ptr %a452, ptr %a453)
-  %t455 = icmp ne i32 %t454, 0
-  br i1 %t455, label %then8030, label %endif8032
-then8030:
+  store { ptr, i64, i64 } %t407, ptr %a410
+  call void @finch_str_concat(ptr %a408, ptr %a409, ptr %a410)
+  store { ptr, i64, i64 } %t406, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  %t412 = load { ptr, i64, i64 }, ptr %a408
+  %t413 = call { ptr, i64, i64 } @finch.gen.op(ptr %t385, { ptr, i64, i64 } %t412)
+  store { ptr, i64, i64 } %t412, ptr %a414
+  call void @finch_str_drop(ptr %a414)
+  %t415 = call { ptr, i64, i64 } @finch.gen.load(ptr %t383, { ptr, i64, i64 } %t384, { ptr, i64, i64 } %t413)
+  store { ptr, i64, i64 } %t413, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t415, 0
+  %t418 = load %S.ast.Type, ptr %a15
+  store %S.ast.Type %t418, ptr %a419
+  call void @finch.copy.S_ast_Type(ptr %a420, ptr %a419)
+  %t421 = load %S.ast.Type, ptr %a420
+  %t422 = insertvalue %S.gen.Val %t417, %S.ast.Type %t421, 1
+  store %S.gen.Val %t422, ptr %a423
+  %t424 = load ptr, ptr %a1
+  %t425 = load %S.gen.Val, ptr %a423
+  %t426 = getelementptr inbounds %S.gen.Val, ptr %a315, i32 0, i32 0
+  %t427 = load { ptr, i64, i64 }, ptr %t426
+  store { ptr, i64, i64 } %t427, ptr %a428
+  call void @finch_str_copy(ptr %a429, ptr %a428)
+  %t430 = load { ptr, i64, i64 }, ptr %a429
+  %t431 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t430, 0
+  %t432 = getelementptr inbounds %S.gen.Val, ptr %a315, i32 0, i32 1
+  %t433 = load %S.ast.Type, ptr %t432
+  store %S.ast.Type %t433, ptr %a434
+  call void @finch.copy.S_ast_Type(ptr %a435, ptr %a434)
+  %t436 = load %S.ast.Type, ptr %a435
+  %t437 = insertvalue %S.gen.Val %t431, %S.ast.Type %t436, 1
+  %t438 = load %S.ast.Node, ptr %a2
+  %t439 = call %S.gen.Val @finch.gen.compare(ptr %t424, { ptr, i64, i64 } { ptr @.str.5521, i64 2, i64 0 }, %S.gen.Val %t425, %S.gen.Val %t437, %S.ast.Node %t438)
+  store %S.gen.Val %t437, ptr %a440
+  call void @finch.drop.S_gen_Val(ptr %a440)
+  %t441 = extractvalue %S.gen.Val %t439, 0
+  store { ptr, i64, i64 } %t441, ptr %a442
+  call void @finch_str_copy(ptr %a443, ptr %a442)
+  %t444 = load { ptr, i64, i64 }, ptr %a443
+  store %S.gen.Val %t439, ptr %a445
+  call void @finch.drop.S_gen_Val(ptr %a445)
+  store { ptr, i64, i64 } %t444, ptr %a446
+  %t447 = load ptr, ptr %a1
+  %t448 = load { ptr, i64, i64 }, ptr %a446
+  %t449 = load { ptr, i64, i64 }, ptr %a342
+  %t450 = load { ptr, i64, i64 }, ptr %a345
+  call void @finch.gen.condBr(ptr %t447, { ptr, i64, i64 } %t448, { ptr, i64, i64 } %t449, { ptr, i64, i64 } %t450)
+  %t451 = load ptr, ptr %a1
+  %t452 = load { ptr, i64, i64 }, ptr %a342
+  call void @finch.gen.label(ptr %t451, { ptr, i64, i64 } %t452)
+  %t453 = load ptr, ptr %a1
+  %t454 = load { ptr, i64, i64 }, ptr %a356
+  %t455 = load { ptr, i64, i64 }, ptr %a318
+  call void @finch.gen.store(ptr %t453, { ptr, i64, i64 } { ptr @.str.5522, i64 3, i64 0 }, { ptr, i64, i64 } %t454, { ptr, i64, i64 } %t455)
   %t456 = load ptr, ptr %a1
-  %t457 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t456, %S.ast.Node %t457, i64 1)
-  %t458 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
-  %t459 = load { ptr, i64, i64 }, ptr %t458
-  store { ptr, i64, i64 } %t459, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.5340, i64 3, i64 0 }, ptr %a461
-  %t462 = call i32 @finch_str_eq(ptr %a460, ptr %a461)
-  %t463 = icmp eq i32 %t462, 0
-  br i1 %t463, label %then8033, label %endif8035
-then8033:
-  %t464 = load ptr, ptr %a1
-  %t465 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t464, %S.ast.Node %t465, { ptr, i64, i64 } { ptr @.str.5341, i64 31, i64 0 })
-  br label %endif8035
-endif8035:
-  %t466 = load ptr, ptr %a1
-  %t467 = load ptr, ptr %a1
-  %t468 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t469 = load { ptr, i64, i64 }, ptr %t468
-  %t470 = extractvalue { ptr, i64, i64 } %t469, 1
-  %t471 = icmp uge i64 1, %t470
-  br i1 %t471, label %range8036, label %inrange8037
-range8036:
-  call void @finch_panic_index(ptr @.str.5342, i64 4850, i64 1, i64 %t470)
-  unreachable
-inrange8037:
-  %t472 = extractvalue { ptr, i64, i64 } %t469, 0
-  %t473 = getelementptr inbounds %S.ast.Node, ptr %t472, i64 1
-  %t474 = load %S.ast.Node, ptr %t473
-  %t475 = call %S.gen.Val @finch.gen.strArg(ptr %t467, %S.ast.Node %t474, { ptr, i64, i64 } { ptr @.str.5343, i64 13, i64 0 })
-  %t476 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t466, %S.gen.Val %t475)
-  store { ptr, i64, i64 } %t476, ptr %a477
+  %t457 = load { ptr, i64, i64 }, ptr %a348
+  call void @finch.gen.br(ptr %t456, { ptr, i64, i64 } %t457)
+  %t458 = load ptr, ptr %a1
+  %t459 = load { ptr, i64, i64 }, ptr %a345
+  call void @finch.gen.label(ptr %t458, { ptr, i64, i64 } %t459)
+  %t460 = load ptr, ptr %a1
+  %t461 = load ptr, ptr %a1
+  %t462 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5524, i64 8, i64 0 }, ptr %a464
+  store { ptr, i64, i64 } %t462, ptr %a465
+  call void @finch_str_concat(ptr %a463, ptr %a464, ptr %a465)
+  %t466 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t466, ptr %a468
+  store { ptr, i64, i64 } { ptr @.str.5525, i64 3, i64 0 }, ptr %a469
+  call void @finch_str_concat(ptr %a467, ptr %a468, ptr %a469)
+  store { ptr, i64, i64 } %t466, ptr %a470
+  call void @finch_str_drop(ptr %a470)
+  %t471 = load { ptr, i64, i64 }, ptr %a467
+  %t472 = call { ptr, i64, i64 } @finch.gen.op(ptr %t461, { ptr, i64, i64 } %t471)
+  store { ptr, i64, i64 } %t471, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a331
+  call void @finch.gen.store(ptr %t460, { ptr, i64, i64 } { ptr @.str.5523, i64 3, i64 0 }, { ptr, i64, i64 } %t472, { ptr, i64, i64 } %t474)
+  store { ptr, i64, i64 } %t472, ptr %a475
+  call void @finch_str_drop(ptr %a475)
+  %t476 = load ptr, ptr %a1
+  %t477 = load { ptr, i64, i64 }, ptr %a336
+  call void @finch.gen.br(ptr %t476, { ptr, i64, i64 } %t477)
   %t478 = load ptr, ptr %a1
-  %t479 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t478)
-  store { ptr, i64, i64 } %t479, ptr %a480
-  %t481 = load ptr, ptr %a1
-  %t482 = load { ptr, i64, i64 }, ptr %a480
-  store { ptr, i64, i64 } { ptr @.str.5344, i64 30, i64 0 }, ptr %a484
-  store { ptr, i64, i64 } %t482, ptr %a485
-  call void @finch_str_concat(ptr %a483, ptr %a484, ptr %a485)
-  %t486 = load { ptr, i64, i64 }, ptr %a483
-  store { ptr, i64, i64 } %t486, ptr %a488
-  store { ptr, i64, i64 } { ptr @.str.5345, i64 6, i64 0 }, ptr %a489
-  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  %t491 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t490, ptr %a493
-  store { ptr, i64, i64 } %t491, ptr %a494
-  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
-  %t495 = load { ptr, i64, i64 }, ptr %a492
-  store { ptr, i64, i64 } %t495, ptr %a497
-  store { ptr, i64, i64 } { ptr @.str.5346, i64 6, i64 0 }, ptr %a498
-  call void @finch_str_concat(ptr %a496, ptr %a497, ptr %a498)
-  %t499 = load { ptr, i64, i64 }, ptr %a496
-  %t500 = load { ptr, i64, i64 }, ptr %a477
+  %t479 = load { ptr, i64, i64 }, ptr %a348
+  call void @finch.gen.label(ptr %t478, { ptr, i64, i64 } %t479)
+  %t480 = load ptr, ptr %a1
+  %t481 = load %S.gen.Val, ptr %a315
+  call void @finch.gen.release(ptr %t480, %S.gen.Val %t481)
+  %t482 = load ptr, ptr %a1
+  %t483 = load { ptr, i64, i64 }, ptr %a318
+  %t484 = call { ptr, i64, i64 } @finch.gen.load(ptr %t482, { ptr, i64, i64 } { ptr @.str.5526, i64 3, i64 0 }, { ptr, i64, i64 } %t483)
+  store { ptr, i64, i64 } %t484, ptr %a485
+  %t486 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t486, ptr %a487
+  store { ptr, i64, i64 } { ptr @.str.5527, i64 4, i64 0 }, ptr %a488
+  %t489 = call i32 @finch_str_eq(ptr %a487, ptr %a488)
+  %t490 = icmp ne i32 %t489, 0
+  br i1 %t490, label %then8484, label %endif8486
+then8484:
+  %t491 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } %t491, ptr %a492
+  call void @finch_str_copy(ptr %a493, ptr %a492)
+  %t494 = load { ptr, i64, i64 }, ptr %a493
+  %t495 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t494, 0
+  %t496 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5528, i64 3, i64 0 })
+  %t497 = insertvalue %S.gen.Val %t495, %S.ast.Type %t496, 1
+  call void @finch_str_drop(ptr %a485)
+  call void @finch_str_drop(ptr %a446)
+  call void @finch.drop.S_gen_Val(ptr %a423)
+  call void @finch_str_drop(ptr %a376)
+  call void @finch_str_drop(ptr %a356)
+  call void @finch_str_drop(ptr %a348)
+  call void @finch_str_drop(ptr %a345)
+  call void @finch_str_drop(ptr %a342)
+  call void @finch_str_drop(ptr %a339)
+  call void @finch_str_drop(ptr %a336)
+  call void @finch_str_drop(ptr %a331)
+  call void @finch_str_drop(ptr %a328)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch_str_drop(ptr %a318)
+  call void @finch.drop.S_gen_Val(ptr %a315)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t497
+endif8486:
+  %t498 = load ptr, ptr %a1
+  %t499 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } { ptr @.str.5529, i64 13, i64 0 }, ptr %a501
   store { ptr, i64, i64 } %t499, ptr %a502
-  store { ptr, i64, i64 } %t500, ptr %a503
-  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
-  %t504 = load { ptr, i64, i64 }, ptr %a501
-  store { ptr, i64, i64 } %t504, ptr %a506
-  store { ptr, i64, i64 } { ptr @.str.5347, i64 1, i64 0 }, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  call void @finch.gen.emit(ptr %t481, { ptr, i64, i64 } %t508)
-  %t509 = load ptr, ptr %a1
-  %t510 = load { ptr, i64, i64 }, ptr %a480
-  %t511 = call { ptr, i64, i64 } @finch.gen.load(ptr %t509, { ptr, i64, i64 } { ptr @.str.5348, i64 17, i64 0 }, { ptr, i64, i64 } %t510)
-  %t512 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t511, 0
-  %t513 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5349, i64 3, i64 0 })
-  %t514 = insertvalue %S.gen.Val %t512, %S.ast.Type %t513, 1
-  %t515 = insertvalue %S.gen.Val %t514, i1 true, 2
-  ret %S.gen.Val %t515
-endif8032:
-  %t516 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t516, ptr %a517
-  store { ptr, i64, i64 } { ptr @.str.5350, i64 6, i64 0 }, ptr %a518
-  %t519 = call i32 @finch_str_eq(ptr %a517, ptr %a518)
-  %t520 = icmp ne i32 %t519, 0
-  br i1 %t520, label %then8038, label %endif8040
-then8038:
-  %t521 = load ptr, ptr %a1
-  %t522 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t521, %S.ast.Node %t522, i64 2)
-  %t523 = load ptr, ptr %a1
-  %t524 = load ptr, ptr %a1
-  %t525 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t526 = load { ptr, i64, i64 }, ptr %t525
-  %t527 = extractvalue { ptr, i64, i64 } %t526, 1
-  %t528 = icmp uge i64 1, %t527
-  br i1 %t528, label %range8041, label %inrange8042
-range8041:
-  call void @finch_panic_index(ptr @.str.5351, i64 4857, i64 1, i64 %t527)
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  %t503 = load { ptr, i64, i64 }, ptr %a500
+  store { ptr, i64, i64 } %t503, ptr %a505
+  store { ptr, i64, i64 } { ptr @.str.5530, i64 3, i64 0 }, ptr %a506
+  call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
+  store { ptr, i64, i64 } %t503, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  %t508 = load { ptr, i64, i64 }, ptr %a504
+  %t509 = call { ptr, i64, i64 } @finch.gen.op(ptr %t498, { ptr, i64, i64 } %t508)
+  store { ptr, i64, i64 } %t508, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t509, 0
+  %t512 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5531, i64 4, i64 0 })
+  %t513 = insertvalue %S.gen.Val %t511, %S.ast.Type %t512, 1
+  call void @finch_str_drop(ptr %a485)
+  call void @finch_str_drop(ptr %a446)
+  call void @finch.drop.S_gen_Val(ptr %a423)
+  call void @finch_str_drop(ptr %a376)
+  call void @finch_str_drop(ptr %a356)
+  call void @finch_str_drop(ptr %a348)
+  call void @finch_str_drop(ptr %a345)
+  call void @finch_str_drop(ptr %a342)
+  call void @finch_str_drop(ptr %a339)
+  call void @finch_str_drop(ptr %a336)
+  call void @finch_str_drop(ptr %a331)
+  call void @finch_str_drop(ptr %a328)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch_str_drop(ptr %a318)
+  call void @finch.drop.S_gen_Val(ptr %a315)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t513
+endif8479:
+  %t514 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t514, ptr %a515
+  store { ptr, i64, i64 } { ptr @.str.5532, i64 4, i64 0 }, ptr %a516
+  %t517 = call i32 @finch_str_eq(ptr %a515, ptr %a516)
+  %t518 = icmp ne i32 %t517, 0
+  br i1 %t518, label %then8487, label %endif8489
+then8487:
+  %t519 = load ptr, ptr %a1
+  %t520 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t519, %S.ast.Node %t520, i64 1)
+  %t521 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
+  %t522 = load { ptr, i64, i64 }, ptr %t521
+  store { ptr, i64, i64 } %t522, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.5533, i64 3, i64 0 }, ptr %a524
+  %t525 = call i32 @finch_str_eq(ptr %a523, ptr %a524)
+  %t526 = icmp eq i32 %t525, 0
+  br i1 %t526, label %then8490, label %endif8492
+then8490:
+  %t527 = load ptr, ptr %a1
+  %t528 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t527, %S.ast.Node %t528, { ptr, i64, i64 } { ptr @.str.5534, i64 31, i64 0 })
+  br label %endif8492
+endif8492:
+  %t529 = load ptr, ptr %a1
+  %t530 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t531 = load { ptr, i64, i64 }, ptr %t530
+  %t532 = extractvalue { ptr, i64, i64 } %t531, 1
+  %t533 = icmp uge i64 1, %t532
+  br i1 %t533, label %range8493, label %inrange8494
+range8493:
+  call void @finch_panic_index(ptr @.str.5535, i64 5242, i64 1, i64 %t532)
   unreachable
-inrange8042:
-  %t529 = extractvalue { ptr, i64, i64 } %t526, 0
-  %t530 = getelementptr inbounds %S.ast.Node, ptr %t529, i64 1
-  %t531 = load %S.ast.Node, ptr %t530
-  %t532 = call %S.gen.Val @finch.gen.expr(ptr %t524, %S.ast.Node %t531)
-  %t533 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5352, i64 3, i64 0 })
-  %t534 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t535 = load { ptr, i64, i64 }, ptr %t534
-  %t536 = extractvalue { ptr, i64, i64 } %t535, 1
-  %t537 = icmp uge i64 1, %t536
-  br i1 %t537, label %range8043, label %inrange8044
-range8043:
-  call void @finch_panic_index(ptr @.str.5353, i64 4857, i64 1, i64 %t536)
+inrange8494:
+  %t534 = extractvalue { ptr, i64, i64 } %t531, 0
+  %t535 = getelementptr inbounds %S.ast.Node, ptr %t534, i64 1
+  %t536 = load %S.ast.Node, ptr %t535
+  %t537 = call %S.gen.Val @finch.gen.strArg(ptr %t529, %S.ast.Node %t536, { ptr, i64, i64 } { ptr @.str.5536, i64 13, i64 0 })
+  store %S.gen.Val %t537, ptr %a538
+  %t539 = load ptr, ptr %a1
+  %t540 = load %S.gen.Val, ptr %a538
+  %t541 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t539, %S.gen.Val %t540)
+  store { ptr, i64, i64 } %t541, ptr %a542
+  %t543 = load ptr, ptr %a1
+  %t544 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t543)
+  store { ptr, i64, i64 } %t544, ptr %a545
+  %t546 = load ptr, ptr %a1
+  %t547 = load { ptr, i64, i64 }, ptr %a545
+  store { ptr, i64, i64 } { ptr @.str.5537, i64 30, i64 0 }, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t551, ptr %a553
+  store { ptr, i64, i64 } { ptr @.str.5538, i64 6, i64 0 }, ptr %a554
+  call void @finch_str_concat(ptr %a552, ptr %a553, ptr %a554)
+  store { ptr, i64, i64 } %t551, ptr %a555
+  call void @finch_str_drop(ptr %a555)
+  %t556 = load { ptr, i64, i64 }, ptr %a552
+  %t557 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t556, ptr %a559
+  store { ptr, i64, i64 } %t557, ptr %a560
+  call void @finch_str_concat(ptr %a558, ptr %a559, ptr %a560)
+  store { ptr, i64, i64 } %t556, ptr %a561
+  call void @finch_str_drop(ptr %a561)
+  %t562 = load { ptr, i64, i64 }, ptr %a558
+  store { ptr, i64, i64 } %t562, ptr %a564
+  store { ptr, i64, i64 } { ptr @.str.5539, i64 6, i64 0 }, ptr %a565
+  call void @finch_str_concat(ptr %a563, ptr %a564, ptr %a565)
+  store { ptr, i64, i64 } %t562, ptr %a566
+  call void @finch_str_drop(ptr %a566)
+  %t567 = load { ptr, i64, i64 }, ptr %a563
+  %t568 = load { ptr, i64, i64 }, ptr %a542
+  store { ptr, i64, i64 } %t567, ptr %a570
+  store { ptr, i64, i64 } %t568, ptr %a571
+  call void @finch_str_concat(ptr %a569, ptr %a570, ptr %a571)
+  store { ptr, i64, i64 } %t567, ptr %a572
+  call void @finch_str_drop(ptr %a572)
+  %t573 = load { ptr, i64, i64 }, ptr %a569
+  store { ptr, i64, i64 } %t573, ptr %a575
+  store { ptr, i64, i64 } { ptr @.str.5540, i64 1, i64 0 }, ptr %a576
+  call void @finch_str_concat(ptr %a574, ptr %a575, ptr %a576)
+  store { ptr, i64, i64 } %t573, ptr %a577
+  call void @finch_str_drop(ptr %a577)
+  %t578 = load { ptr, i64, i64 }, ptr %a574
+  call void @finch.gen.emit(ptr %t546, { ptr, i64, i64 } %t578)
+  store { ptr, i64, i64 } %t578, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  %t580 = load ptr, ptr %a1
+  %t581 = load %S.gen.Val, ptr %a538
+  call void @finch.gen.release(ptr %t580, %S.gen.Val %t581)
+  %t582 = load ptr, ptr %a1
+  %t583 = load { ptr, i64, i64 }, ptr %a545
+  %t584 = call { ptr, i64, i64 } @finch.gen.load(ptr %t582, { ptr, i64, i64 } { ptr @.str.5541, i64 17, i64 0 }, { ptr, i64, i64 } %t583)
+  %t585 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t584, 0
+  %t586 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5542, i64 3, i64 0 })
+  %t587 = insertvalue %S.gen.Val %t585, %S.ast.Type %t586, 1
+  %t588 = insertvalue %S.gen.Val %t587, i1 true, 2
+  call void @finch_str_drop(ptr %a545)
+  call void @finch_str_drop(ptr %a542)
+  call void @finch.drop.S_gen_Val(ptr %a538)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t588
+endif8489:
+  %t589 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t589, ptr %a590
+  store { ptr, i64, i64 } { ptr @.str.5543, i64 6, i64 0 }, ptr %a591
+  %t592 = call i32 @finch_str_eq(ptr %a590, ptr %a591)
+  %t593 = icmp ne i32 %t592, 0
+  br i1 %t593, label %then8495, label %endif8497
+then8495:
+  %t594 = load ptr, ptr %a1
+  %t595 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t594, %S.ast.Node %t595, i64 2)
+  %t596 = load ptr, ptr %a1
+  %t597 = load ptr, ptr %a1
+  %t598 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  %t600 = extractvalue { ptr, i64, i64 } %t599, 1
+  %t601 = icmp uge i64 1, %t600
+  br i1 %t601, label %range8498, label %inrange8499
+range8498:
+  call void @finch_panic_index(ptr @.str.5544, i64 5251, i64 1, i64 %t600)
   unreachable
-inrange8044:
-  %t538 = extractvalue { ptr, i64, i64 } %t535, 0
-  %t539 = getelementptr inbounds %S.ast.Node, ptr %t538, i64 1
-  %t540 = load %S.ast.Node, ptr %t539
-  %t541 = call %S.gen.Val @finch.gen.coerce(ptr %t523, %S.gen.Val %t532, %S.ast.Type %t533, %S.ast.Node %t540, { ptr, i64, i64 } { ptr @.str.5354, i64 12, i64 0 })
-  %t542 = extractvalue %S.gen.Val %t541, 0
-  store { ptr, i64, i64 } %t542, ptr %a543
-  call void @finch_str_copy(ptr %a544, ptr %a543)
-  %t545 = load { ptr, i64, i64 }, ptr %a544
-  store { ptr, i64, i64 } %t545, ptr %a546
-  %t547 = load ptr, ptr %a1
-  %t548 = load ptr, ptr %a1
-  %t549 = load ptr, ptr %a1
-  %t550 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t551 = load { ptr, i64, i64 }, ptr %t550
-  %t552 = extractvalue { ptr, i64, i64 } %t551, 1
-  %t553 = icmp uge i64 2, %t552
-  br i1 %t553, label %range8045, label %inrange8046
-range8045:
-  call void @finch_panic_index(ptr @.str.5355, i64 4858, i64 2, i64 %t552)
+inrange8499:
+  %t602 = extractvalue { ptr, i64, i64 } %t599, 0
+  %t603 = getelementptr inbounds %S.ast.Node, ptr %t602, i64 1
+  %t604 = load %S.ast.Node, ptr %t603
+  %t605 = call %S.gen.Val @finch.gen.expr(ptr %t597, %S.ast.Node %t604)
+  %t606 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5545, i64 3, i64 0 })
+  %t607 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t608 = load { ptr, i64, i64 }, ptr %t607
+  %t609 = extractvalue { ptr, i64, i64 } %t608, 1
+  %t610 = icmp uge i64 1, %t609
+  br i1 %t610, label %range8500, label %inrange8501
+range8500:
+  call void @finch_panic_index(ptr @.str.5546, i64 5251, i64 1, i64 %t609)
   unreachable
-inrange8046:
-  %t554 = extractvalue { ptr, i64, i64 } %t551, 0
-  %t555 = getelementptr inbounds %S.ast.Node, ptr %t554, i64 2
-  %t556 = load %S.ast.Node, ptr %t555
-  %t557 = load %S.ast.Type, ptr %a15
-  %t558 = call %S.gen.Val @finch.gen.exprWant(ptr %t549, %S.ast.Node %t556, %S.ast.Type %t557)
-  %t559 = load %S.ast.Type, ptr %a15
-  %t560 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t561 = load { ptr, i64, i64 }, ptr %t560
-  %t562 = extractvalue { ptr, i64, i64 } %t561, 1
-  %t563 = icmp uge i64 2, %t562
-  br i1 %t563, label %range8047, label %inrange8048
-range8047:
-  call void @finch_panic_index(ptr @.str.5356, i64 4858, i64 2, i64 %t562)
+inrange8501:
+  %t611 = extractvalue { ptr, i64, i64 } %t608, 0
+  %t612 = getelementptr inbounds %S.ast.Node, ptr %t611, i64 1
+  %t613 = load %S.ast.Node, ptr %t612
+  %t614 = call %S.gen.Val @finch.gen.coerce(ptr %t596, %S.gen.Val %t605, %S.ast.Type %t606, %S.ast.Node %t613, { ptr, i64, i64 } { ptr @.str.5547, i64 12, i64 0 })
+  store %S.gen.Val %t605, ptr %a615
+  call void @finch.drop.S_gen_Val(ptr %a615)
+  store %S.ast.Type %t606, ptr %a616
+  call void @finch.drop.S_ast_Type(ptr %a616)
+  %t617 = extractvalue %S.gen.Val %t614, 0
+  store { ptr, i64, i64 } %t617, ptr %a618
+  call void @finch_str_copy(ptr %a619, ptr %a618)
+  %t620 = load { ptr, i64, i64 }, ptr %a619
+  store %S.gen.Val %t614, ptr %a621
+  call void @finch.drop.S_gen_Val(ptr %a621)
+  store { ptr, i64, i64 } %t620, ptr %a622
+  %t623 = load ptr, ptr %a1
+  %t624 = load ptr, ptr %a1
+  %t625 = load ptr, ptr %a1
+  %t626 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t627 = load { ptr, i64, i64 }, ptr %t626
+  %t628 = extractvalue { ptr, i64, i64 } %t627, 1
+  %t629 = icmp uge i64 2, %t628
+  br i1 %t629, label %range8502, label %inrange8503
+range8502:
+  call void @finch_panic_index(ptr @.str.5548, i64 5252, i64 2, i64 %t628)
   unreachable
-inrange8048:
-  %t564 = extractvalue { ptr, i64, i64 } %t561, 0
-  %t565 = getelementptr inbounds %S.ast.Node, ptr %t564, i64 2
-  %t566 = load %S.ast.Node, ptr %t565
-  %t567 = call %S.gen.Val @finch.gen.coerce(ptr %t548, %S.gen.Val %t558, %S.ast.Type %t559, %S.ast.Node %t566, { ptr, i64, i64 } { ptr @.str.5357, i64 11, i64 0 })
-  %t568 = call { ptr, i64, i64 } @finch.gen.own(ptr %t547, %S.gen.Val %t567)
-  store { ptr, i64, i64 } %t568, ptr %a569
-  %t570 = load ptr, ptr %a1
-  %t571 = load ptr, ptr %a1
-  %t572 = icmp eq ptr %t571, null
-  br i1 %t572, label %panic8049, label %ok8050
-panic8049:
-  call void @finch_panic(ptr @.str.5358, i64 4859, ptr @.str.5359)
+inrange8503:
+  %t630 = extractvalue { ptr, i64, i64 } %t627, 0
+  %t631 = getelementptr inbounds %S.ast.Node, ptr %t630, i64 2
+  %t632 = load %S.ast.Node, ptr %t631
+  %t633 = load %S.ast.Type, ptr %a15
+  %t634 = call %S.gen.Val @finch.gen.exprWant(ptr %t625, %S.ast.Node %t632, %S.ast.Type %t633)
+  %t635 = load %S.ast.Type, ptr %a15
+  %t636 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t637 = load { ptr, i64, i64 }, ptr %t636
+  %t638 = extractvalue { ptr, i64, i64 } %t637, 1
+  %t639 = icmp uge i64 2, %t638
+  br i1 %t639, label %range8504, label %inrange8505
+range8504:
+  call void @finch_panic_index(ptr @.str.5549, i64 5252, i64 2, i64 %t638)
   unreachable
-ok8050:
-  %t573 = getelementptr inbounds %S.gen.Gen, ptr %t571, i32 0, i32 1
-  %t574 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t575 = load i64, ptr %t574
-  %t576 = load { ptr, i64, i64 }, ptr %t573
-  %t577 = extractvalue { ptr, i64, i64 } %t576, 1
-  %t578 = icmp uge i64 %t575, %t577
-  br i1 %t578, label %range8051, label %inrange8052
-range8051:
-  call void @finch_panic_index(ptr @.str.5360, i64 4859, i64 %t575, i64 %t577)
+inrange8505:
+  %t640 = extractvalue { ptr, i64, i64 } %t637, 0
+  %t641 = getelementptr inbounds %S.ast.Node, ptr %t640, i64 2
+  %t642 = load %S.ast.Node, ptr %t641
+  %t643 = call %S.gen.Val @finch.gen.coerce(ptr %t624, %S.gen.Val %t634, %S.ast.Type %t635, %S.ast.Node %t642, { ptr, i64, i64 } { ptr @.str.5550, i64 11, i64 0 })
+  store %S.gen.Val %t634, ptr %a644
+  call void @finch.drop.S_gen_Val(ptr %a644)
+  %t645 = call { ptr, i64, i64 } @finch.gen.own(ptr %t623, %S.gen.Val %t643)
+  store %S.gen.Val %t643, ptr %a646
+  call void @finch.drop.S_gen_Val(ptr %a646)
+  store { ptr, i64, i64 } %t645, ptr %a647
+  %t648 = load ptr, ptr %a1
+  %t649 = load ptr, ptr %a1
+  %t650 = icmp eq ptr %t649, null
+  br i1 %t650, label %panic8506, label %ok8507
+panic8506:
+  call void @finch_panic(ptr @.str.5551, i64 5253, ptr @.str.5552)
   unreachable
-inrange8052:
-  %t579 = extractvalue { ptr, i64, i64 } %t576, 0
-  %t580 = getelementptr inbounds { ptr, i64, i64 }, ptr %t579, i64 %t575
-  %t581 = load { ptr, i64, i64 }, ptr %t580
-  %t582 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t570, { ptr, i64, i64 } %t581)
-  store { ptr, i64, i64 } %t582, ptr %a583
-  %t584 = load ptr, ptr %a1
-  %t585 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5361, i64 36, i64 0 }, ptr %a587
-  store { ptr, i64, i64 } %t585, ptr %a588
-  call void @finch_str_concat(ptr %a586, ptr %a587, ptr %a588)
-  %t589 = load { ptr, i64, i64 }, ptr %a586
-  store { ptr, i64, i64 } %t589, ptr %a591
-  store { ptr, i64, i64 } { ptr @.str.5362, i64 6, i64 0 }, ptr %a592
-  call void @finch_str_concat(ptr %a590, ptr %a591, ptr %a592)
-  %t593 = load { ptr, i64, i64 }, ptr %a590
-  %t594 = load { ptr, i64, i64 }, ptr %a546
-  store { ptr, i64, i64 } %t593, ptr %a596
-  store { ptr, i64, i64 } %t594, ptr %a597
-  call void @finch_str_concat(ptr %a595, ptr %a596, ptr %a597)
-  %t598 = load { ptr, i64, i64 }, ptr %a595
-  store { ptr, i64, i64 } %t598, ptr %a600
-  store { ptr, i64, i64 } { ptr @.str.5363, i64 6, i64 0 }, ptr %a601
-  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
-  %t602 = load { ptr, i64, i64 }, ptr %a599
-  %t603 = load ptr, ptr %a1
-  %t604 = load %S.ast.Type, ptr %a15
-  %t605 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t603, %S.ast.Type %t604)
-  store { ptr, i64, i64 } %t602, ptr %a607
-  store { ptr, i64, i64 } %t605, ptr %a608
-  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
-  %t609 = load { ptr, i64, i64 }, ptr %a606
-  store { ptr, i64, i64 } %t609, ptr %a611
-  store { ptr, i64, i64 } { ptr @.str.5364, i64 6, i64 0 }, ptr %a612
-  call void @finch_str_concat(ptr %a610, ptr %a611, ptr %a612)
-  %t613 = load { ptr, i64, i64 }, ptr %a610
-  %t614 = load { ptr, i64, i64 }, ptr %a583
-  store { ptr, i64, i64 } %t613, ptr %a616
-  store { ptr, i64, i64 } %t614, ptr %a617
-  call void @finch_str_concat(ptr %a615, ptr %a616, ptr %a617)
-  %t618 = load { ptr, i64, i64 }, ptr %a615
-  store { ptr, i64, i64 } %t618, ptr %a620
-  store { ptr, i64, i64 } { ptr @.str.5365, i64 6, i64 0 }, ptr %a621
-  call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
-  %t622 = load { ptr, i64, i64 }, ptr %a619
-  %t623 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t624 = load i64, ptr %t623
-  call void @finch_str_from_int(ptr %a625, i64 %t624)
-  %t626 = load { ptr, i64, i64 }, ptr %a625
-  store { ptr, i64, i64 } %t622, ptr %a628
-  store { ptr, i64, i64 } %t626, ptr %a629
-  call void @finch_str_concat(ptr %a627, ptr %a628, ptr %a629)
-  %t630 = load { ptr, i64, i64 }, ptr %a627
-  store { ptr, i64, i64 } %t630, ptr %a632
-  store { ptr, i64, i64 } { ptr @.str.5366, i64 1, i64 0 }, ptr %a633
-  call void @finch_str_concat(ptr %a631, ptr %a632, ptr %a633)
-  %t634 = load { ptr, i64, i64 }, ptr %a631
-  call void @finch.gen.emit(ptr %t584, { ptr, i64, i64 } %t634)
-  %t635 = load ptr, ptr %a1
-  %t636 = load { ptr, i64, i64 }, ptr %a3
-  %t637 = call { ptr, i64, i64 } @finch.gen.load(ptr %t635, { ptr, i64, i64 } { ptr @.str.5367, i64 3, i64 0 }, { ptr, i64, i64 } %t636)
-  store { ptr, i64, i64 } %t637, ptr %a638
-  %t639 = load ptr, ptr %a1
-  %t640 = load { ptr, i64, i64 }, ptr %a19
-  %t641 = load { ptr, i64, i64 }, ptr %a569
-  %t642 = load ptr, ptr %a1
-  %t643 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5368, i64 23, i64 0 }, ptr %a645
-  store { ptr, i64, i64 } %t643, ptr %a646
-  call void @finch_str_concat(ptr %a644, ptr %a645, ptr %a646)
-  %t647 = load { ptr, i64, i64 }, ptr %a644
-  store { ptr, i64, i64 } %t647, ptr %a649
-  store { ptr, i64, i64 } { ptr @.str.5369, i64 6, i64 0 }, ptr %a650
-  call void @finch_str_concat(ptr %a648, ptr %a649, ptr %a650)
-  %t651 = load { ptr, i64, i64 }, ptr %a648
-  %t652 = load { ptr, i64, i64 }, ptr %a638
-  store { ptr, i64, i64 } %t651, ptr %a654
-  store { ptr, i64, i64 } %t652, ptr %a655
-  call void @finch_str_concat(ptr %a653, ptr %a654, ptr %a655)
-  %t656 = load { ptr, i64, i64 }, ptr %a653
-  store { ptr, i64, i64 } %t656, ptr %a658
-  store { ptr, i64, i64 } { ptr @.str.5370, i64 6, i64 0 }, ptr %a659
-  call void @finch_str_concat(ptr %a657, ptr %a658, ptr %a659)
-  %t660 = load { ptr, i64, i64 }, ptr %a657
-  %t661 = load { ptr, i64, i64 }, ptr %a546
-  store { ptr, i64, i64 } %t660, ptr %a663
-  store { ptr, i64, i64 } %t661, ptr %a664
-  call void @finch_str_concat(ptr %a662, ptr %a663, ptr %a664)
-  %t665 = load { ptr, i64, i64 }, ptr %a662
-  %t666 = call { ptr, i64, i64 } @finch.gen.op(ptr %t642, { ptr, i64, i64 } %t665)
-  call void @finch.gen.store(ptr %t639, { ptr, i64, i64 } %t640, { ptr, i64, i64 } %t641, { ptr, i64, i64 } %t666)
-  %t667 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5371, i64 4, i64 0 })
-  %t668 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t667, 1
-  ret %S.gen.Val %t668
-endif8040:
-  %t669 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t669, ptr %a670
-  store { ptr, i64, i64 } { ptr @.str.5372, i64 6, i64 0 }, ptr %a671
-  %t672 = call i32 @finch_str_eq(ptr %a670, ptr %a671)
-  %t673 = icmp ne i32 %t672, 0
-  br i1 %t673, label %then8053, label %endif8055
-then8053:
-  %t674 = load ptr, ptr %a1
-  %t675 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t674, %S.ast.Node %t675, i64 1)
-  %t676 = load ptr, ptr %a1
-  %t677 = load ptr, ptr %a1
-  %t678 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t679 = load { ptr, i64, i64 }, ptr %t678
-  %t680 = extractvalue { ptr, i64, i64 } %t679, 1
-  %t681 = icmp uge i64 1, %t680
-  br i1 %t681, label %range8056, label %inrange8057
-range8056:
-  call void @finch_panic_index(ptr @.str.5373, i64 4867, i64 1, i64 %t680)
+ok8507:
+  %t651 = getelementptr inbounds %S.gen.Gen, ptr %t649, i32 0, i32 1
+  %t652 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t653 = load i64, ptr %t652
+  %t654 = load { ptr, i64, i64 }, ptr %t651
+  %t655 = extractvalue { ptr, i64, i64 } %t654, 1
+  %t656 = icmp uge i64 %t653, %t655
+  br i1 %t656, label %range8508, label %inrange8509
+range8508:
+  call void @finch_panic_index(ptr @.str.5553, i64 5253, i64 %t653, i64 %t655)
   unreachable
-inrange8057:
-  %t682 = extractvalue { ptr, i64, i64 } %t679, 0
-  %t683 = getelementptr inbounds %S.ast.Node, ptr %t682, i64 1
-  %t684 = load %S.ast.Node, ptr %t683
-  %t685 = call %S.gen.Val @finch.gen.expr(ptr %t677, %S.ast.Node %t684)
-  %t686 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5374, i64 3, i64 0 })
-  %t687 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t688 = load { ptr, i64, i64 }, ptr %t687
-  %t689 = extractvalue { ptr, i64, i64 } %t688, 1
-  %t690 = icmp uge i64 1, %t689
-  br i1 %t690, label %range8058, label %inrange8059
-range8058:
-  call void @finch_panic_index(ptr @.str.5375, i64 4867, i64 1, i64 %t689)
+inrange8509:
+  %t657 = extractvalue { ptr, i64, i64 } %t654, 0
+  %t658 = getelementptr inbounds { ptr, i64, i64 }, ptr %t657, i64 %t653
+  %t659 = load { ptr, i64, i64 }, ptr %t658
+  %t660 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t648, { ptr, i64, i64 } %t659)
+  store { ptr, i64, i64 } %t660, ptr %a661
+  %t662 = load ptr, ptr %a1
+  %t663 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5554, i64 36, i64 0 }, ptr %a665
+  store { ptr, i64, i64 } %t663, ptr %a666
+  call void @finch_str_concat(ptr %a664, ptr %a665, ptr %a666)
+  %t667 = load { ptr, i64, i64 }, ptr %a664
+  store { ptr, i64, i64 } %t667, ptr %a669
+  store { ptr, i64, i64 } { ptr @.str.5555, i64 6, i64 0 }, ptr %a670
+  call void @finch_str_concat(ptr %a668, ptr %a669, ptr %a670)
+  store { ptr, i64, i64 } %t667, ptr %a671
+  call void @finch_str_drop(ptr %a671)
+  %t672 = load { ptr, i64, i64 }, ptr %a668
+  %t673 = load { ptr, i64, i64 }, ptr %a622
+  store { ptr, i64, i64 } %t672, ptr %a675
+  store { ptr, i64, i64 } %t673, ptr %a676
+  call void @finch_str_concat(ptr %a674, ptr %a675, ptr %a676)
+  store { ptr, i64, i64 } %t672, ptr %a677
+  call void @finch_str_drop(ptr %a677)
+  %t678 = load { ptr, i64, i64 }, ptr %a674
+  store { ptr, i64, i64 } %t678, ptr %a680
+  store { ptr, i64, i64 } { ptr @.str.5556, i64 6, i64 0 }, ptr %a681
+  call void @finch_str_concat(ptr %a679, ptr %a680, ptr %a681)
+  store { ptr, i64, i64 } %t678, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = load { ptr, i64, i64 }, ptr %a679
+  %t684 = load ptr, ptr %a1
+  %t685 = load %S.ast.Type, ptr %a15
+  %t686 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t684, %S.ast.Type %t685)
+  store { ptr, i64, i64 } %t683, ptr %a688
+  store { ptr, i64, i64 } %t686, ptr %a689
+  call void @finch_str_concat(ptr %a687, ptr %a688, ptr %a689)
+  store { ptr, i64, i64 } %t683, ptr %a690
+  call void @finch_str_drop(ptr %a690)
+  store { ptr, i64, i64 } %t686, ptr %a691
+  call void @finch_str_drop(ptr %a691)
+  %t692 = load { ptr, i64, i64 }, ptr %a687
+  store { ptr, i64, i64 } %t692, ptr %a694
+  store { ptr, i64, i64 } { ptr @.str.5557, i64 6, i64 0 }, ptr %a695
+  call void @finch_str_concat(ptr %a693, ptr %a694, ptr %a695)
+  store { ptr, i64, i64 } %t692, ptr %a696
+  call void @finch_str_drop(ptr %a696)
+  %t697 = load { ptr, i64, i64 }, ptr %a693
+  %t698 = load { ptr, i64, i64 }, ptr %a661
+  store { ptr, i64, i64 } %t697, ptr %a700
+  store { ptr, i64, i64 } %t698, ptr %a701
+  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
+  store { ptr, i64, i64 } %t697, ptr %a702
+  call void @finch_str_drop(ptr %a702)
+  %t703 = load { ptr, i64, i64 }, ptr %a699
+  store { ptr, i64, i64 } %t703, ptr %a705
+  store { ptr, i64, i64 } { ptr @.str.5558, i64 6, i64 0 }, ptr %a706
+  call void @finch_str_concat(ptr %a704, ptr %a705, ptr %a706)
+  store { ptr, i64, i64 } %t703, ptr %a707
+  call void @finch_str_drop(ptr %a707)
+  %t708 = load { ptr, i64, i64 }, ptr %a704
+  %t709 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t710 = load i64, ptr %t709
+  call void @finch_str_from_int(ptr %a711, i64 %t710)
+  %t712 = load { ptr, i64, i64 }, ptr %a711
+  store { ptr, i64, i64 } %t708, ptr %a714
+  store { ptr, i64, i64 } %t712, ptr %a715
+  call void @finch_str_concat(ptr %a713, ptr %a714, ptr %a715)
+  store { ptr, i64, i64 } %t708, ptr %a716
+  call void @finch_str_drop(ptr %a716)
+  store { ptr, i64, i64 } %t712, ptr %a717
+  call void @finch_str_drop(ptr %a717)
+  %t718 = load { ptr, i64, i64 }, ptr %a713
+  store { ptr, i64, i64 } %t718, ptr %a720
+  store { ptr, i64, i64 } { ptr @.str.5559, i64 1, i64 0 }, ptr %a721
+  call void @finch_str_concat(ptr %a719, ptr %a720, ptr %a721)
+  store { ptr, i64, i64 } %t718, ptr %a722
+  call void @finch_str_drop(ptr %a722)
+  %t723 = load { ptr, i64, i64 }, ptr %a719
+  call void @finch.gen.emit(ptr %t662, { ptr, i64, i64 } %t723)
+  store { ptr, i64, i64 } %t723, ptr %a724
+  call void @finch_str_drop(ptr %a724)
+  %t725 = load ptr, ptr %a1
+  %t726 = load { ptr, i64, i64 }, ptr %a3
+  %t727 = call { ptr, i64, i64 } @finch.gen.load(ptr %t725, { ptr, i64, i64 } { ptr @.str.5560, i64 3, i64 0 }, { ptr, i64, i64 } %t726)
+  store { ptr, i64, i64 } %t727, ptr %a728
+  %t729 = load ptr, ptr %a1
+  %t730 = load { ptr, i64, i64 }, ptr %a19
+  %t731 = load { ptr, i64, i64 }, ptr %a647
+  %t732 = load ptr, ptr %a1
+  %t733 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5561, i64 23, i64 0 }, ptr %a735
+  store { ptr, i64, i64 } %t733, ptr %a736
+  call void @finch_str_concat(ptr %a734, ptr %a735, ptr %a736)
+  %t737 = load { ptr, i64, i64 }, ptr %a734
+  store { ptr, i64, i64 } %t737, ptr %a739
+  store { ptr, i64, i64 } { ptr @.str.5562, i64 6, i64 0 }, ptr %a740
+  call void @finch_str_concat(ptr %a738, ptr %a739, ptr %a740)
+  store { ptr, i64, i64 } %t737, ptr %a741
+  call void @finch_str_drop(ptr %a741)
+  %t742 = load { ptr, i64, i64 }, ptr %a738
+  %t743 = load { ptr, i64, i64 }, ptr %a728
+  store { ptr, i64, i64 } %t742, ptr %a745
+  store { ptr, i64, i64 } %t743, ptr %a746
+  call void @finch_str_concat(ptr %a744, ptr %a745, ptr %a746)
+  store { ptr, i64, i64 } %t742, ptr %a747
+  call void @finch_str_drop(ptr %a747)
+  %t748 = load { ptr, i64, i64 }, ptr %a744
+  store { ptr, i64, i64 } %t748, ptr %a750
+  store { ptr, i64, i64 } { ptr @.str.5563, i64 6, i64 0 }, ptr %a751
+  call void @finch_str_concat(ptr %a749, ptr %a750, ptr %a751)
+  store { ptr, i64, i64 } %t748, ptr %a752
+  call void @finch_str_drop(ptr %a752)
+  %t753 = load { ptr, i64, i64 }, ptr %a749
+  %t754 = load { ptr, i64, i64 }, ptr %a622
+  store { ptr, i64, i64 } %t753, ptr %a756
+  store { ptr, i64, i64 } %t754, ptr %a757
+  call void @finch_str_concat(ptr %a755, ptr %a756, ptr %a757)
+  store { ptr, i64, i64 } %t753, ptr %a758
+  call void @finch_str_drop(ptr %a758)
+  %t759 = load { ptr, i64, i64 }, ptr %a755
+  %t760 = call { ptr, i64, i64 } @finch.gen.op(ptr %t732, { ptr, i64, i64 } %t759)
+  store { ptr, i64, i64 } %t759, ptr %a761
+  call void @finch_str_drop(ptr %a761)
+  call void @finch.gen.store(ptr %t729, { ptr, i64, i64 } %t730, { ptr, i64, i64 } %t731, { ptr, i64, i64 } %t760)
+  store { ptr, i64, i64 } %t760, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5564, i64 4, i64 0 })
+  %t764 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t763, 1
+  call void @finch_str_drop(ptr %a728)
+  call void @finch_str_drop(ptr %a661)
+  call void @finch_str_drop(ptr %a647)
+  call void @finch_str_drop(ptr %a622)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t764
+endif8497:
+  %t765 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t765, ptr %a766
+  store { ptr, i64, i64 } { ptr @.str.5565, i64 6, i64 0 }, ptr %a767
+  %t768 = call i32 @finch_str_eq(ptr %a766, ptr %a767)
+  %t769 = icmp ne i32 %t768, 0
+  br i1 %t769, label %then8510, label %endif8512
+then8510:
+  %t770 = load ptr, ptr %a1
+  %t771 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t770, %S.ast.Node %t771, i64 1)
+  %t772 = load ptr, ptr %a1
+  %t773 = load ptr, ptr %a1
+  %t774 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t775 = load { ptr, i64, i64 }, ptr %t774
+  %t776 = extractvalue { ptr, i64, i64 } %t775, 1
+  %t777 = icmp uge i64 1, %t776
+  br i1 %t777, label %range8513, label %inrange8514
+range8513:
+  call void @finch_panic_index(ptr @.str.5566, i64 5261, i64 1, i64 %t776)
   unreachable
-inrange8059:
-  %t691 = extractvalue { ptr, i64, i64 } %t688, 0
-  %t692 = getelementptr inbounds %S.ast.Node, ptr %t691, i64 1
-  %t693 = load %S.ast.Node, ptr %t692
-  %t694 = call %S.gen.Val @finch.gen.coerce(ptr %t676, %S.gen.Val %t685, %S.ast.Type %t686, %S.ast.Node %t693, { ptr, i64, i64 } { ptr @.str.5376, i64 12, i64 0 })
-  %t695 = extractvalue %S.gen.Val %t694, 0
-  store { ptr, i64, i64 } %t695, ptr %a696
-  call void @finch_str_copy(ptr %a697, ptr %a696)
-  %t698 = load { ptr, i64, i64 }, ptr %a697
-  store { ptr, i64, i64 } %t698, ptr %a699
-  %t700 = load ptr, ptr %a1
-  %t701 = load { ptr, i64, i64 }, ptr %a699
-  %t702 = load ptr, ptr %a1
-  %t703 = load { ptr, i64, i64 }, ptr %a37
-  %t704 = call { ptr, i64, i64 } @finch.gen.load(ptr %t702, { ptr, i64, i64 } { ptr @.str.5377, i64 3, i64 0 }, { ptr, i64, i64 } %t703)
-  %t705 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.boundsCheck(ptr %t700, { ptr, i64, i64 } %t701, { ptr, i64, i64 } %t704, %S.ast.Node %t705)
-  %t706 = load ptr, ptr %a1
-  %t707 = load { ptr, i64, i64 }, ptr %a3
-  %t708 = call { ptr, i64, i64 } @finch.gen.load(ptr %t706, { ptr, i64, i64 } { ptr @.str.5378, i64 3, i64 0 }, { ptr, i64, i64 } %t707)
-  store { ptr, i64, i64 } %t708, ptr %a709
-  %t710 = load ptr, ptr %a1
-  %t711 = load { ptr, i64, i64 }, ptr %a19
-  %t712 = load ptr, ptr %a1
-  %t713 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5379, i64 23, i64 0 }, ptr %a715
-  store { ptr, i64, i64 } %t713, ptr %a716
-  call void @finch_str_concat(ptr %a714, ptr %a715, ptr %a716)
-  %t717 = load { ptr, i64, i64 }, ptr %a714
-  store { ptr, i64, i64 } %t717, ptr %a719
-  store { ptr, i64, i64 } { ptr @.str.5380, i64 6, i64 0 }, ptr %a720
-  call void @finch_str_concat(ptr %a718, ptr %a719, ptr %a720)
-  %t721 = load { ptr, i64, i64 }, ptr %a718
-  %t722 = load { ptr, i64, i64 }, ptr %a709
-  store { ptr, i64, i64 } %t721, ptr %a724
-  store { ptr, i64, i64 } %t722, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  store { ptr, i64, i64 } %t726, ptr %a728
-  store { ptr, i64, i64 } { ptr @.str.5381, i64 6, i64 0 }, ptr %a729
-  call void @finch_str_concat(ptr %a727, ptr %a728, ptr %a729)
-  %t730 = load { ptr, i64, i64 }, ptr %a727
-  %t731 = load { ptr, i64, i64 }, ptr %a699
-  store { ptr, i64, i64 } %t730, ptr %a733
-  store { ptr, i64, i64 } %t731, ptr %a734
-  call void @finch_str_concat(ptr %a732, ptr %a733, ptr %a734)
-  %t735 = load { ptr, i64, i64 }, ptr %a732
-  %t736 = call { ptr, i64, i64 } @finch.gen.op(ptr %t712, { ptr, i64, i64 } %t735)
-  %t737 = call { ptr, i64, i64 } @finch.gen.load(ptr %t710, { ptr, i64, i64 } %t711, { ptr, i64, i64 } %t736)
-  store { ptr, i64, i64 } %t737, ptr %a738
-  %t739 = load ptr, ptr %a1
-  %t740 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5382, i64 36, i64 0 }, ptr %a742
-  store { ptr, i64, i64 } %t740, ptr %a743
-  call void @finch_str_concat(ptr %a741, ptr %a742, ptr %a743)
-  %t744 = load { ptr, i64, i64 }, ptr %a741
-  store { ptr, i64, i64 } %t744, ptr %a746
-  store { ptr, i64, i64 } { ptr @.str.5383, i64 6, i64 0 }, ptr %a747
-  call void @finch_str_concat(ptr %a745, ptr %a746, ptr %a747)
-  %t748 = load { ptr, i64, i64 }, ptr %a745
-  %t749 = load { ptr, i64, i64 }, ptr %a699
-  store { ptr, i64, i64 } %t748, ptr %a751
-  store { ptr, i64, i64 } %t749, ptr %a752
-  call void @finch_str_concat(ptr %a750, ptr %a751, ptr %a752)
-  %t753 = load { ptr, i64, i64 }, ptr %a750
-  store { ptr, i64, i64 } %t753, ptr %a755
-  store { ptr, i64, i64 } { ptr @.str.5384, i64 6, i64 0 }, ptr %a756
-  call void @finch_str_concat(ptr %a754, ptr %a755, ptr %a756)
-  %t757 = load { ptr, i64, i64 }, ptr %a754
-  %t758 = load ptr, ptr %a1
-  %t759 = load %S.ast.Type, ptr %a15
-  %t760 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t758, %S.ast.Type %t759)
-  store { ptr, i64, i64 } %t757, ptr %a762
-  store { ptr, i64, i64 } %t760, ptr %a763
-  call void @finch_str_concat(ptr %a761, ptr %a762, ptr %a763)
-  %t764 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t764, ptr %a766
-  store { ptr, i64, i64 } { ptr @.str.5385, i64 1, i64 0 }, ptr %a767
-  call void @finch_str_concat(ptr %a765, ptr %a766, ptr %a767)
-  %t768 = load { ptr, i64, i64 }, ptr %a765
-  call void @finch.gen.emit(ptr %t739, { ptr, i64, i64 } %t768)
-  %t769 = load { ptr, i64, i64 }, ptr %a738
-  store { ptr, i64, i64 } %t769, ptr %a770
-  call void @finch_str_copy(ptr %a771, ptr %a770)
-  %t772 = load { ptr, i64, i64 }, ptr %a771
-  %t773 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t772, 0
-  %t774 = load %S.ast.Type, ptr %a15
-  store %S.ast.Type %t774, ptr %a775
-  call void @finch.copy.S_ast_Type(ptr %a776, ptr %a775)
-  %t777 = load %S.ast.Type, ptr %a776
-  %t778 = insertvalue %S.gen.Val %t773, %S.ast.Type %t777, 1
-  %t779 = load ptr, ptr %a1
-  %t780 = load %S.ast.Type, ptr %a15
-  %t781 = call i1 @finch.gen.owning(ptr %t779, %S.ast.Type %t780)
-  %t782 = insertvalue %S.gen.Val %t778, i1 %t781, 2
-  ret %S.gen.Val %t782
-endif8055:
-  %t783 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t783, ptr %a784
-  store { ptr, i64, i64 } { ptr @.str.5386, i64 6, i64 0 }, ptr %a785
-  %t786 = call i32 @finch_str_eq(ptr %a784, ptr %a785)
-  %t787 = icmp ne i32 %t786, 0
-  br i1 %t787, label %then8060, label %endif8062
-then8060:
-  %t788 = load ptr, ptr %a1
-  %t789 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t788, %S.ast.Node %t789, i64 1)
-  %t790 = load ptr, ptr %a1
-  %t791 = load ptr, ptr %a1
-  %t792 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t793 = load { ptr, i64, i64 }, ptr %t792
-  %t794 = extractvalue { ptr, i64, i64 } %t793, 1
-  %t795 = icmp uge i64 1, %t794
-  br i1 %t795, label %range8063, label %inrange8064
-range8063:
-  call void @finch_panic_index(ptr @.str.5387, i64 4876, i64 1, i64 %t794)
+inrange8514:
+  %t778 = extractvalue { ptr, i64, i64 } %t775, 0
+  %t779 = getelementptr inbounds %S.ast.Node, ptr %t778, i64 1
+  %t780 = load %S.ast.Node, ptr %t779
+  %t781 = call %S.gen.Val @finch.gen.expr(ptr %t773, %S.ast.Node %t780)
+  %t782 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5567, i64 3, i64 0 })
+  %t783 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t784 = load { ptr, i64, i64 }, ptr %t783
+  %t785 = extractvalue { ptr, i64, i64 } %t784, 1
+  %t786 = icmp uge i64 1, %t785
+  br i1 %t786, label %range8515, label %inrange8516
+range8515:
+  call void @finch_panic_index(ptr @.str.5568, i64 5261, i64 1, i64 %t785)
   unreachable
-inrange8064:
-  %t796 = extractvalue { ptr, i64, i64 } %t793, 0
-  %t797 = getelementptr inbounds %S.ast.Node, ptr %t796, i64 1
-  %t798 = load %S.ast.Node, ptr %t797
-  %t799 = call %S.gen.Val @finch.gen.expr(ptr %t791, %S.ast.Node %t798)
-  %t800 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5388, i64 3, i64 0 })
-  %t801 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t802 = load { ptr, i64, i64 }, ptr %t801
-  %t803 = extractvalue { ptr, i64, i64 } %t802, 1
-  %t804 = icmp uge i64 1, %t803
-  br i1 %t804, label %range8065, label %inrange8066
-range8065:
-  call void @finch_panic_index(ptr @.str.5389, i64 4876, i64 1, i64 %t803)
-  unreachable
-inrange8066:
-  %t805 = extractvalue { ptr, i64, i64 } %t802, 0
-  %t806 = getelementptr inbounds %S.ast.Node, ptr %t805, i64 1
-  %t807 = load %S.ast.Node, ptr %t806
-  %t808 = call %S.gen.Val @finch.gen.coerce(ptr %t790, %S.gen.Val %t799, %S.ast.Type %t800, %S.ast.Node %t807, { ptr, i64, i64 } { ptr @.str.5390, i64 14, i64 0 })
-  %t809 = extractvalue %S.gen.Val %t808, 0
-  store { ptr, i64, i64 } %t809, ptr %a810
-  call void @finch_str_copy(ptr %a811, ptr %a810)
-  %t812 = load { ptr, i64, i64 }, ptr %a811
-  store { ptr, i64, i64 } %t812, ptr %a813
-  %t814 = load ptr, ptr %a1
-  %t815 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5391, i64 32, i64 0 }, ptr %a817
-  store { ptr, i64, i64 } %t815, ptr %a818
-  call void @finch_str_concat(ptr %a816, ptr %a817, ptr %a818)
-  %t819 = load { ptr, i64, i64 }, ptr %a816
-  store { ptr, i64, i64 } %t819, ptr %a821
-  store { ptr, i64, i64 } { ptr @.str.5392, i64 6, i64 0 }, ptr %a822
-  call void @finch_str_concat(ptr %a820, ptr %a821, ptr %a822)
-  %t823 = load { ptr, i64, i64 }, ptr %a820
-  %t824 = load { ptr, i64, i64 }, ptr %a813
+inrange8516:
+  %t787 = extractvalue { ptr, i64, i64 } %t784, 0
+  %t788 = getelementptr inbounds %S.ast.Node, ptr %t787, i64 1
+  %t789 = load %S.ast.Node, ptr %t788
+  %t790 = call %S.gen.Val @finch.gen.coerce(ptr %t772, %S.gen.Val %t781, %S.ast.Type %t782, %S.ast.Node %t789, { ptr, i64, i64 } { ptr @.str.5569, i64 12, i64 0 })
+  store %S.gen.Val %t781, ptr %a791
+  call void @finch.drop.S_gen_Val(ptr %a791)
+  store %S.ast.Type %t782, ptr %a792
+  call void @finch.drop.S_ast_Type(ptr %a792)
+  %t793 = extractvalue %S.gen.Val %t790, 0
+  store { ptr, i64, i64 } %t793, ptr %a794
+  call void @finch_str_copy(ptr %a795, ptr %a794)
+  %t796 = load { ptr, i64, i64 }, ptr %a795
+  store %S.gen.Val %t790, ptr %a797
+  call void @finch.drop.S_gen_Val(ptr %a797)
+  store { ptr, i64, i64 } %t796, ptr %a798
+  %t799 = load ptr, ptr %a1
+  %t800 = load { ptr, i64, i64 }, ptr %a798
+  %t801 = load ptr, ptr %a1
+  %t802 = load { ptr, i64, i64 }, ptr %a39
+  %t803 = call { ptr, i64, i64 } @finch.gen.load(ptr %t801, { ptr, i64, i64 } { ptr @.str.5570, i64 3, i64 0 }, { ptr, i64, i64 } %t802)
+  %t804 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.boundsCheck(ptr %t799, { ptr, i64, i64 } %t800, { ptr, i64, i64 } %t803, %S.ast.Node %t804)
+  store { ptr, i64, i64 } %t803, ptr %a805
+  call void @finch_str_drop(ptr %a805)
+  %t806 = load ptr, ptr %a1
+  %t807 = load { ptr, i64, i64 }, ptr %a3
+  %t808 = call { ptr, i64, i64 } @finch.gen.load(ptr %t806, { ptr, i64, i64 } { ptr @.str.5571, i64 3, i64 0 }, { ptr, i64, i64 } %t807)
+  store { ptr, i64, i64 } %t808, ptr %a809
+  %t810 = load ptr, ptr %a1
+  %t811 = load { ptr, i64, i64 }, ptr %a19
+  %t812 = load ptr, ptr %a1
+  %t813 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5572, i64 23, i64 0 }, ptr %a815
+  store { ptr, i64, i64 } %t813, ptr %a816
+  call void @finch_str_concat(ptr %a814, ptr %a815, ptr %a816)
+  %t817 = load { ptr, i64, i64 }, ptr %a814
+  store { ptr, i64, i64 } %t817, ptr %a819
+  store { ptr, i64, i64 } { ptr @.str.5573, i64 6, i64 0 }, ptr %a820
+  call void @finch_str_concat(ptr %a818, ptr %a819, ptr %a820)
+  store { ptr, i64, i64 } %t817, ptr %a821
+  call void @finch_str_drop(ptr %a821)
+  %t822 = load { ptr, i64, i64 }, ptr %a818
+  %t823 = load { ptr, i64, i64 }, ptr %a809
+  store { ptr, i64, i64 } %t822, ptr %a825
   store { ptr, i64, i64 } %t823, ptr %a826
-  store { ptr, i64, i64 } %t824, ptr %a827
-  call void @finch_str_concat(ptr %a825, ptr %a826, ptr %a827)
-  %t828 = load { ptr, i64, i64 }, ptr %a825
+  call void @finch_str_concat(ptr %a824, ptr %a825, ptr %a826)
+  store { ptr, i64, i64 } %t822, ptr %a827
+  call void @finch_str_drop(ptr %a827)
+  %t828 = load { ptr, i64, i64 }, ptr %a824
   store { ptr, i64, i64 } %t828, ptr %a830
-  store { ptr, i64, i64 } { ptr @.str.5393, i64 6, i64 0 }, ptr %a831
+  store { ptr, i64, i64 } { ptr @.str.5574, i64 6, i64 0 }, ptr %a831
   call void @finch_str_concat(ptr %a829, ptr %a830, ptr %a831)
-  %t832 = load { ptr, i64, i64 }, ptr %a829
-  %t833 = load ptr, ptr %a1
-  %t834 = load %S.ast.Type, ptr %a15
-  %t835 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t833, %S.ast.Type %t834)
-  store { ptr, i64, i64 } %t832, ptr %a837
-  store { ptr, i64, i64 } %t835, ptr %a838
-  call void @finch_str_concat(ptr %a836, ptr %a837, ptr %a838)
-  %t839 = load { ptr, i64, i64 }, ptr %a836
+  store { ptr, i64, i64 } %t828, ptr %a832
+  call void @finch_str_drop(ptr %a832)
+  %t833 = load { ptr, i64, i64 }, ptr %a829
+  %t834 = load { ptr, i64, i64 }, ptr %a798
+  store { ptr, i64, i64 } %t833, ptr %a836
+  store { ptr, i64, i64 } %t834, ptr %a837
+  call void @finch_str_concat(ptr %a835, ptr %a836, ptr %a837)
+  store { ptr, i64, i64 } %t833, ptr %a838
+  call void @finch_str_drop(ptr %a838)
+  %t839 = load { ptr, i64, i64 }, ptr %a835
+  %t840 = call { ptr, i64, i64 } @finch.gen.op(ptr %t812, { ptr, i64, i64 } %t839)
   store { ptr, i64, i64 } %t839, ptr %a841
-  store { ptr, i64, i64 } { ptr @.str.5394, i64 1, i64 0 }, ptr %a842
-  call void @finch_str_concat(ptr %a840, ptr %a841, ptr %a842)
-  %t843 = load { ptr, i64, i64 }, ptr %a840
-  call void @finch.gen.emit(ptr %t814, { ptr, i64, i64 } %t843)
-  %t844 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5395, i64 4, i64 0 })
-  %t845 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t844, 1
-  ret %S.gen.Val %t845
-endif8062:
-  %t846 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t846, ptr %a847
-  store { ptr, i64, i64 } { ptr @.str.5396, i64 7, i64 0 }, ptr %a848
-  %t849 = call i32 @finch_str_eq(ptr %a847, ptr %a848)
-  %t850 = icmp ne i32 %t849, 0
-  br i1 %t850, label %then8067, label %endif8069
-then8067:
-  %t851 = load ptr, ptr %a1
-  %t852 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t851, %S.ast.Node %t852, i64 0)
-  %t853 = load ptr, ptr %a1
-  %t854 = load { ptr, i64, i64 }, ptr %a37
-  %t855 = call { ptr, i64, i64 } @finch.gen.load(ptr %t853, { ptr, i64, i64 } { ptr @.str.5397, i64 3, i64 0 }, { ptr, i64, i64 } %t854)
-  store { ptr, i64, i64 } %t855, ptr %a856
-  %t857 = load ptr, ptr %a1
-  %t858 = load { ptr, i64, i64 }, ptr %a3
-  %t859 = call { ptr, i64, i64 } @finch.gen.load(ptr %t857, { ptr, i64, i64 } { ptr @.str.5398, i64 3, i64 0 }, { ptr, i64, i64 } %t858)
-  store { ptr, i64, i64 } %t859, ptr %a860
-  %t861 = load ptr, ptr %a1
-  %t862 = load { ptr, i64, i64 }, ptr %a856
-  store { ptr, i64, i64 } { ptr @.str.5399, i64 9, i64 0 }, ptr %a864
-  store { ptr, i64, i64 } %t862, ptr %a865
-  call void @finch_str_concat(ptr %a863, ptr %a864, ptr %a865)
-  %t866 = load { ptr, i64, i64 }, ptr %a863
-  store { ptr, i64, i64 } %t866, ptr %a868
-  store { ptr, i64, i64 } { ptr @.str.5400, i64 3, i64 0 }, ptr %a869
-  call void @finch_str_concat(ptr %a867, ptr %a868, ptr %a869)
-  %t870 = load { ptr, i64, i64 }, ptr %a867
-  %t871 = call { ptr, i64, i64 } @finch.gen.op(ptr %t861, { ptr, i64, i64 } %t870)
-  store { ptr, i64, i64 } %t871, ptr %a872
-  %t873 = load ptr, ptr %a1
-  %t874 = load { ptr, i64, i64 }, ptr %a872
-  %t875 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t873, { ptr, i64, i64 } %t874)
-  store { ptr, i64, i64 } %t875, ptr %a876
-  %t877 = load ptr, ptr %a1
-  %t878 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5401, i64 23, i64 0 }, ptr %a880
-  store { ptr, i64, i64 } %t878, ptr %a881
-  call void @finch_str_concat(ptr %a879, ptr %a880, ptr %a881)
-  %t882 = load { ptr, i64, i64 }, ptr %a879
-  store { ptr, i64, i64 } %t882, ptr %a884
-  store { ptr, i64, i64 } { ptr @.str.5402, i64 6, i64 0 }, ptr %a885
-  call void @finch_str_concat(ptr %a883, ptr %a884, ptr %a885)
-  %t886 = load { ptr, i64, i64 }, ptr %a883
-  %t887 = load { ptr, i64, i64 }, ptr %a860
-  store { ptr, i64, i64 } %t886, ptr %a889
-  store { ptr, i64, i64 } %t887, ptr %a890
-  call void @finch_str_concat(ptr %a888, ptr %a889, ptr %a890)
-  %t891 = load { ptr, i64, i64 }, ptr %a888
-  store { ptr, i64, i64 } %t891, ptr %a893
-  store { ptr, i64, i64 } { ptr @.str.5403, i64 6, i64 0 }, ptr %a894
-  call void @finch_str_concat(ptr %a892, ptr %a893, ptr %a894)
-  %t895 = load { ptr, i64, i64 }, ptr %a892
-  %t896 = load { ptr, i64, i64 }, ptr %a876
-  %t897 = extractvalue { ptr, i64, i64 } %t896, 1
-  %t898 = icmp uge i64 3, %t897
-  br i1 %t898, label %range8070, label %inrange8071
-range8070:
-  call void @finch_panic_index(ptr @.str.5404, i64 4886, i64 3, i64 %t897)
+  call void @finch_str_drop(ptr %a841)
+  %t842 = call { ptr, i64, i64 } @finch.gen.load(ptr %t810, { ptr, i64, i64 } %t811, { ptr, i64, i64 } %t840)
+  store { ptr, i64, i64 } %t840, ptr %a843
+  call void @finch_str_drop(ptr %a843)
+  store { ptr, i64, i64 } %t842, ptr %a844
+  %t845 = load ptr, ptr %a1
+  %t846 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5575, i64 36, i64 0 }, ptr %a848
+  store { ptr, i64, i64 } %t846, ptr %a849
+  call void @finch_str_concat(ptr %a847, ptr %a848, ptr %a849)
+  %t850 = load { ptr, i64, i64 }, ptr %a847
+  store { ptr, i64, i64 } %t850, ptr %a852
+  store { ptr, i64, i64 } { ptr @.str.5576, i64 6, i64 0 }, ptr %a853
+  call void @finch_str_concat(ptr %a851, ptr %a852, ptr %a853)
+  store { ptr, i64, i64 } %t850, ptr %a854
+  call void @finch_str_drop(ptr %a854)
+  %t855 = load { ptr, i64, i64 }, ptr %a851
+  %t856 = load { ptr, i64, i64 }, ptr %a798
+  store { ptr, i64, i64 } %t855, ptr %a858
+  store { ptr, i64, i64 } %t856, ptr %a859
+  call void @finch_str_concat(ptr %a857, ptr %a858, ptr %a859)
+  store { ptr, i64, i64 } %t855, ptr %a860
+  call void @finch_str_drop(ptr %a860)
+  %t861 = load { ptr, i64, i64 }, ptr %a857
+  store { ptr, i64, i64 } %t861, ptr %a863
+  store { ptr, i64, i64 } { ptr @.str.5577, i64 6, i64 0 }, ptr %a864
+  call void @finch_str_concat(ptr %a862, ptr %a863, ptr %a864)
+  store { ptr, i64, i64 } %t861, ptr %a865
+  call void @finch_str_drop(ptr %a865)
+  %t866 = load { ptr, i64, i64 }, ptr %a862
+  %t867 = load ptr, ptr %a1
+  %t868 = load %S.ast.Type, ptr %a15
+  %t869 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t867, %S.ast.Type %t868)
+  store { ptr, i64, i64 } %t866, ptr %a871
+  store { ptr, i64, i64 } %t869, ptr %a872
+  call void @finch_str_concat(ptr %a870, ptr %a871, ptr %a872)
+  store { ptr, i64, i64 } %t866, ptr %a873
+  call void @finch_str_drop(ptr %a873)
+  store { ptr, i64, i64 } %t869, ptr %a874
+  call void @finch_str_drop(ptr %a874)
+  %t875 = load { ptr, i64, i64 }, ptr %a870
+  store { ptr, i64, i64 } %t875, ptr %a877
+  store { ptr, i64, i64 } { ptr @.str.5578, i64 1, i64 0 }, ptr %a878
+  call void @finch_str_concat(ptr %a876, ptr %a877, ptr %a878)
+  store { ptr, i64, i64 } %t875, ptr %a879
+  call void @finch_str_drop(ptr %a879)
+  %t880 = load { ptr, i64, i64 }, ptr %a876
+  call void @finch.gen.emit(ptr %t845, { ptr, i64, i64 } %t880)
+  store { ptr, i64, i64 } %t880, ptr %a881
+  call void @finch_str_drop(ptr %a881)
+  %t882 = load { ptr, i64, i64 }, ptr %a844
+  store { ptr, i64, i64 } %t882, ptr %a883
+  call void @finch_str_copy(ptr %a884, ptr %a883)
+  %t885 = load { ptr, i64, i64 }, ptr %a884
+  %t886 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t885, 0
+  %t887 = load %S.ast.Type, ptr %a15
+  store %S.ast.Type %t887, ptr %a888
+  call void @finch.copy.S_ast_Type(ptr %a889, ptr %a888)
+  %t890 = load %S.ast.Type, ptr %a889
+  %t891 = insertvalue %S.gen.Val %t886, %S.ast.Type %t890, 1
+  %t892 = load ptr, ptr %a1
+  %t893 = load %S.ast.Type, ptr %a15
+  %t894 = call i1 @finch.gen.owning(ptr %t892, %S.ast.Type %t893)
+  %t895 = insertvalue %S.gen.Val %t891, i1 %t894, 2
+  call void @finch_str_drop(ptr %a844)
+  call void @finch_str_drop(ptr %a809)
+  call void @finch_str_drop(ptr %a798)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t895
+endif8512:
+  %t896 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t896, ptr %a897
+  store { ptr, i64, i64 } { ptr @.str.5579, i64 6, i64 0 }, ptr %a898
+  %t899 = call i32 @finch_str_eq(ptr %a897, ptr %a898)
+  %t900 = icmp ne i32 %t899, 0
+  br i1 %t900, label %then8517, label %endif8519
+then8517:
+  %t901 = load ptr, ptr %a1
+  %t902 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t901, %S.ast.Node %t902, i64 1)
+  %t903 = load ptr, ptr %a1
+  %t904 = load ptr, ptr %a1
+  %t905 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t906 = load { ptr, i64, i64 }, ptr %t905
+  %t907 = extractvalue { ptr, i64, i64 } %t906, 1
+  %t908 = icmp uge i64 1, %t907
+  br i1 %t908, label %range8520, label %inrange8521
+range8520:
+  call void @finch_panic_index(ptr @.str.5580, i64 5270, i64 1, i64 %t907)
   unreachable
-inrange8071:
-  %t899 = extractvalue { ptr, i64, i64 } %t896, 0
-  %t900 = getelementptr inbounds { ptr, i64, i64 }, ptr %t899, i64 3
-  %t901 = load { ptr, i64, i64 }, ptr %t900
-  store { ptr, i64, i64 } %t895, ptr %a903
-  store { ptr, i64, i64 } %t901, ptr %a904
-  call void @finch_str_concat(ptr %a902, ptr %a903, ptr %a904)
-  %t905 = load { ptr, i64, i64 }, ptr %a902
-  %t906 = call { ptr, i64, i64 } @finch.gen.op(ptr %t877, { ptr, i64, i64 } %t905)
-  store { ptr, i64, i64 } %t906, ptr %a907
-  %t908 = load ptr, ptr %a1
-  %t909 = load ptr, ptr %a1
-  %t910 = load { ptr, i64, i64 }, ptr %a856
-  store { ptr, i64, i64 } { ptr @.str.5406, i64 8, i64 0 }, ptr %a912
-  store { ptr, i64, i64 } %t910, ptr %a913
-  call void @finch_str_concat(ptr %a911, ptr %a912, ptr %a913)
-  %t914 = load { ptr, i64, i64 }, ptr %a911
-  store { ptr, i64, i64 } %t914, ptr %a916
-  store { ptr, i64, i64 } { ptr @.str.5407, i64 3, i64 0 }, ptr %a917
-  call void @finch_str_concat(ptr %a915, ptr %a916, ptr %a917)
-  %t918 = load { ptr, i64, i64 }, ptr %a915
-  %t919 = call { ptr, i64, i64 } @finch.gen.op(ptr %t909, { ptr, i64, i64 } %t918)
-  store { ptr, i64, i64 } { ptr @.str.5405, i64 8, i64 0 }, ptr %a921
-  store { ptr, i64, i64 } %t919, ptr %a922
-  call void @finch_str_concat(ptr %a920, ptr %a921, ptr %a922)
-  %t923 = load { ptr, i64, i64 }, ptr %a920
-  store { ptr, i64, i64 } %t923, ptr %a925
-  store { ptr, i64, i64 } { ptr @.str.5408, i64 2, i64 0 }, ptr %a926
-  call void @finch_str_concat(ptr %a924, ptr %a925, ptr %a926)
-  %t927 = load { ptr, i64, i64 }, ptr %a924
-  %t928 = load { ptr, i64, i64 }, ptr %a876
-  %t929 = extractvalue { ptr, i64, i64 } %t928, 1
-  %t930 = icmp uge i64 3, %t929
-  br i1 %t930, label %range8072, label %inrange8073
-range8072:
-  call void @finch_panic_index(ptr @.str.5409, i64 4887, i64 3, i64 %t929)
+inrange8521:
+  %t909 = extractvalue { ptr, i64, i64 } %t906, 0
+  %t910 = getelementptr inbounds %S.ast.Node, ptr %t909, i64 1
+  %t911 = load %S.ast.Node, ptr %t910
+  %t912 = call %S.gen.Val @finch.gen.expr(ptr %t904, %S.ast.Node %t911)
+  %t913 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5581, i64 3, i64 0 })
+  %t914 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t915 = load { ptr, i64, i64 }, ptr %t914
+  %t916 = extractvalue { ptr, i64, i64 } %t915, 1
+  %t917 = icmp uge i64 1, %t916
+  br i1 %t917, label %range8522, label %inrange8523
+range8522:
+  call void @finch_panic_index(ptr @.str.5582, i64 5270, i64 1, i64 %t916)
   unreachable
-inrange8073:
-  %t931 = extractvalue { ptr, i64, i64 } %t928, 0
-  %t932 = getelementptr inbounds { ptr, i64, i64 }, ptr %t931, i64 3
-  %t933 = load { ptr, i64, i64 }, ptr %t932
-  store { ptr, i64, i64 } %t927, ptr %a935
-  store { ptr, i64, i64 } %t933, ptr %a936
-  call void @finch_str_concat(ptr %a934, ptr %a935, ptr %a936)
-  %t937 = load { ptr, i64, i64 }, ptr %a934
-  %t938 = call { ptr, i64, i64 } @finch.gen.op(ptr %t908, { ptr, i64, i64 } %t937)
-  store { ptr, i64, i64 } %t938, ptr %a939
-  %t940 = load ptr, ptr %a1
-  %t941 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5410, i64 23, i64 0 }, ptr %a943
-  store { ptr, i64, i64 } %t941, ptr %a944
-  call void @finch_str_concat(ptr %a942, ptr %a943, ptr %a944)
-  %t945 = load { ptr, i64, i64 }, ptr %a942
-  store { ptr, i64, i64 } %t945, ptr %a947
-  store { ptr, i64, i64 } { ptr @.str.5411, i64 6, i64 0 }, ptr %a948
+inrange8523:
+  %t918 = extractvalue { ptr, i64, i64 } %t915, 0
+  %t919 = getelementptr inbounds %S.ast.Node, ptr %t918, i64 1
+  %t920 = load %S.ast.Node, ptr %t919
+  %t921 = call %S.gen.Val @finch.gen.coerce(ptr %t903, %S.gen.Val %t912, %S.ast.Type %t913, %S.ast.Node %t920, { ptr, i64, i64 } { ptr @.str.5583, i64 14, i64 0 })
+  store %S.gen.Val %t912, ptr %a922
+  call void @finch.drop.S_gen_Val(ptr %a922)
+  store %S.ast.Type %t913, ptr %a923
+  call void @finch.drop.S_ast_Type(ptr %a923)
+  %t924 = extractvalue %S.gen.Val %t921, 0
+  store { ptr, i64, i64 } %t924, ptr %a925
+  call void @finch_str_copy(ptr %a926, ptr %a925)
+  %t927 = load { ptr, i64, i64 }, ptr %a926
+  store %S.gen.Val %t921, ptr %a928
+  call void @finch.drop.S_gen_Val(ptr %a928)
+  store { ptr, i64, i64 } %t927, ptr %a929
+  %t930 = load ptr, ptr %a1
+  %t931 = load { ptr, i64, i64 }, ptr %a3
+  %t932 = load %S.ast.Type, ptr %a4
+  %t933 = load { ptr, i64, i64 }, ptr %a929
+  call void @finch.gen.dropFrom(ptr %t930, { ptr, i64, i64 } %t931, %S.ast.Type %t932, { ptr, i64, i64 } %t933)
+  %t934 = load ptr, ptr %a1
+  %t935 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5584, i64 32, i64 0 }, ptr %a937
+  store { ptr, i64, i64 } %t935, ptr %a938
+  call void @finch_str_concat(ptr %a936, ptr %a937, ptr %a938)
+  %t939 = load { ptr, i64, i64 }, ptr %a936
+  store { ptr, i64, i64 } %t939, ptr %a941
+  store { ptr, i64, i64 } { ptr @.str.5585, i64 6, i64 0 }, ptr %a942
+  call void @finch_str_concat(ptr %a940, ptr %a941, ptr %a942)
+  store { ptr, i64, i64 } %t939, ptr %a943
+  call void @finch_str_drop(ptr %a943)
+  %t944 = load { ptr, i64, i64 }, ptr %a940
+  %t945 = load { ptr, i64, i64 }, ptr %a929
+  store { ptr, i64, i64 } %t944, ptr %a947
+  store { ptr, i64, i64 } %t945, ptr %a948
   call void @finch_str_concat(ptr %a946, ptr %a947, ptr %a948)
-  %t949 = load { ptr, i64, i64 }, ptr %a946
-  %t950 = load { ptr, i64, i64 }, ptr %a860
-  store { ptr, i64, i64 } %t949, ptr %a952
-  store { ptr, i64, i64 } %t950, ptr %a953
+  store { ptr, i64, i64 } %t944, ptr %a949
+  call void @finch_str_drop(ptr %a949)
+  %t950 = load { ptr, i64, i64 }, ptr %a946
+  store { ptr, i64, i64 } %t950, ptr %a952
+  store { ptr, i64, i64 } { ptr @.str.5586, i64 6, i64 0 }, ptr %a953
   call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
-  %t954 = load { ptr, i64, i64 }, ptr %a951
-  store { ptr, i64, i64 } %t954, ptr %a956
-  store { ptr, i64, i64 } { ptr @.str.5412, i64 6, i64 0 }, ptr %a957
-  call void @finch_str_concat(ptr %a955, ptr %a956, ptr %a957)
-  %t958 = load { ptr, i64, i64 }, ptr %a955
-  %t959 = load { ptr, i64, i64 }, ptr %a939
+  store { ptr, i64, i64 } %t950, ptr %a954
+  call void @finch_str_drop(ptr %a954)
+  %t955 = load { ptr, i64, i64 }, ptr %a951
+  %t956 = load ptr, ptr %a1
+  %t957 = load %S.ast.Type, ptr %a15
+  %t958 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t956, %S.ast.Type %t957)
+  store { ptr, i64, i64 } %t955, ptr %a960
   store { ptr, i64, i64 } %t958, ptr %a961
-  store { ptr, i64, i64 } %t959, ptr %a962
-  call void @finch_str_concat(ptr %a960, ptr %a961, ptr %a962)
-  %t963 = load { ptr, i64, i64 }, ptr %a960
-  %t964 = call { ptr, i64, i64 } @finch.gen.op(ptr %t940, { ptr, i64, i64 } %t963)
-  store { ptr, i64, i64 } %t964, ptr %a965
-  %t966 = load ptr, ptr %a1
-  %t967 = load { ptr, i64, i64 }, ptr %a19
-  %t968 = load { ptr, i64, i64 }, ptr %a907
-  %t969 = call { ptr, i64, i64 } @finch.gen.load(ptr %t966, { ptr, i64, i64 } %t967, { ptr, i64, i64 } %t968)
+  call void @finch_str_concat(ptr %a959, ptr %a960, ptr %a961)
+  store { ptr, i64, i64 } %t955, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  store { ptr, i64, i64 } %t958, ptr %a963
+  call void @finch_str_drop(ptr %a963)
+  %t964 = load { ptr, i64, i64 }, ptr %a959
+  store { ptr, i64, i64 } %t964, ptr %a966
+  store { ptr, i64, i64 } { ptr @.str.5587, i64 1, i64 0 }, ptr %a967
+  call void @finch_str_concat(ptr %a965, ptr %a966, ptr %a967)
+  store { ptr, i64, i64 } %t964, ptr %a968
+  call void @finch_str_drop(ptr %a968)
+  %t969 = load { ptr, i64, i64 }, ptr %a965
+  call void @finch.gen.emit(ptr %t934, { ptr, i64, i64 } %t969)
   store { ptr, i64, i64 } %t969, ptr %a970
-  %t971 = load ptr, ptr %a1
-  %t972 = load { ptr, i64, i64 }, ptr %a19
-  %t973 = load { ptr, i64, i64 }, ptr %a965
-  %t974 = call { ptr, i64, i64 } @finch.gen.load(ptr %t971, { ptr, i64, i64 } %t972, { ptr, i64, i64 } %t973)
-  store { ptr, i64, i64 } %t974, ptr %a975
-  %t976 = load ptr, ptr %a1
-  %t977 = load { ptr, i64, i64 }, ptr %a19
-  %t978 = load { ptr, i64, i64 }, ptr %a975
-  %t979 = load { ptr, i64, i64 }, ptr %a907
-  call void @finch.gen.store(ptr %t976, { ptr, i64, i64 } %t977, { ptr, i64, i64 } %t978, { ptr, i64, i64 } %t979)
+  call void @finch_str_drop(ptr %a970)
+  %t971 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5588, i64 4, i64 0 })
+  %t972 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t971, 1
+  call void @finch_str_drop(ptr %a929)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t972
+endif8519:
+  %t973 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t973, ptr %a974
+  store { ptr, i64, i64 } { ptr @.str.5589, i64 7, i64 0 }, ptr %a975
+  %t976 = call i32 @finch_str_eq(ptr %a974, ptr %a975)
+  %t977 = icmp ne i32 %t976, 0
+  br i1 %t977, label %then8524, label %endif8526
+then8524:
+  %t978 = load ptr, ptr %a1
+  %t979 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t978, %S.ast.Node %t979, i64 0)
   %t980 = load ptr, ptr %a1
-  %t981 = load { ptr, i64, i64 }, ptr %a19
-  %t982 = load { ptr, i64, i64 }, ptr %a970
-  %t983 = load { ptr, i64, i64 }, ptr %a965
-  call void @finch.gen.store(ptr %t980, { ptr, i64, i64 } %t981, { ptr, i64, i64 } %t982, { ptr, i64, i64 } %t983)
+  %t981 = load { ptr, i64, i64 }, ptr %a39
+  %t982 = call { ptr, i64, i64 } @finch.gen.load(ptr %t980, { ptr, i64, i64 } { ptr @.str.5590, i64 3, i64 0 }, { ptr, i64, i64 } %t981)
+  store { ptr, i64, i64 } %t982, ptr %a983
   %t984 = load ptr, ptr %a1
-  %t985 = load { ptr, i64, i64 }, ptr %a876
-  call void @finch.gen.loopEnd(ptr %t984, { ptr, i64, i64 } %t985)
-  %t986 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5413, i64 4, i64 0 })
-  %t987 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t986, 1
-  ret %S.gen.Val %t987
-endif8069:
-  %t988 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t988, ptr %a989
-  store { ptr, i64, i64 } { ptr @.str.5414, i64 5, i64 0 }, ptr %a990
-  %t991 = call i32 @finch_str_eq(ptr %a989, ptr %a990)
-  %t992 = icmp ne i32 %t991, 0
-  br i1 %t992, label %then8074, label %endif8076
-then8074:
-  %t993 = load ptr, ptr %a1
-  %t994 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t993, %S.ast.Node %t994, i64 2)
-  %t995 = load ptr, ptr %a1
-  %t996 = load ptr, ptr %a1
-  %t997 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t998 = load { ptr, i64, i64 }, ptr %t997
-  %t999 = extractvalue { ptr, i64, i64 } %t998, 1
-  %t1000 = icmp uge i64 1, %t999
-  br i1 %t1000, label %range8077, label %inrange8078
-range8077:
-  call void @finch_panic_index(ptr @.str.5415, i64 4898, i64 1, i64 %t999)
+  %t985 = load { ptr, i64, i64 }, ptr %a3
+  %t986 = call { ptr, i64, i64 } @finch.gen.load(ptr %t984, { ptr, i64, i64 } { ptr @.str.5591, i64 3, i64 0 }, { ptr, i64, i64 } %t985)
+  store { ptr, i64, i64 } %t986, ptr %a987
+  %t988 = load ptr, ptr %a1
+  %t989 = load { ptr, i64, i64 }, ptr %a983
+  store { ptr, i64, i64 } { ptr @.str.5592, i64 9, i64 0 }, ptr %a991
+  store { ptr, i64, i64 } %t989, ptr %a992
+  call void @finch_str_concat(ptr %a990, ptr %a991, ptr %a992)
+  %t993 = load { ptr, i64, i64 }, ptr %a990
+  store { ptr, i64, i64 } %t993, ptr %a995
+  store { ptr, i64, i64 } { ptr @.str.5593, i64 3, i64 0 }, ptr %a996
+  call void @finch_str_concat(ptr %a994, ptr %a995, ptr %a996)
+  store { ptr, i64, i64 } %t993, ptr %a997
+  call void @finch_str_drop(ptr %a997)
+  %t998 = load { ptr, i64, i64 }, ptr %a994
+  %t999 = call { ptr, i64, i64 } @finch.gen.op(ptr %t988, { ptr, i64, i64 } %t998)
+  store { ptr, i64, i64 } %t998, ptr %a1000
+  call void @finch_str_drop(ptr %a1000)
+  store { ptr, i64, i64 } %t999, ptr %a1001
+  %t1002 = load ptr, ptr %a1
+  %t1003 = load { ptr, i64, i64 }, ptr %a1001
+  %t1004 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t1002, { ptr, i64, i64 } %t1003)
+  store { ptr, i64, i64 } %t1004, ptr %a1005
+  %t1006 = load ptr, ptr %a1
+  %t1007 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5594, i64 23, i64 0 }, ptr %a1009
+  store { ptr, i64, i64 } %t1007, ptr %a1010
+  call void @finch_str_concat(ptr %a1008, ptr %a1009, ptr %a1010)
+  %t1011 = load { ptr, i64, i64 }, ptr %a1008
+  store { ptr, i64, i64 } %t1011, ptr %a1013
+  store { ptr, i64, i64 } { ptr @.str.5595, i64 6, i64 0 }, ptr %a1014
+  call void @finch_str_concat(ptr %a1012, ptr %a1013, ptr %a1014)
+  store { ptr, i64, i64 } %t1011, ptr %a1015
+  call void @finch_str_drop(ptr %a1015)
+  %t1016 = load { ptr, i64, i64 }, ptr %a1012
+  %t1017 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t1016, ptr %a1019
+  store { ptr, i64, i64 } %t1017, ptr %a1020
+  call void @finch_str_concat(ptr %a1018, ptr %a1019, ptr %a1020)
+  store { ptr, i64, i64 } %t1016, ptr %a1021
+  call void @finch_str_drop(ptr %a1021)
+  %t1022 = load { ptr, i64, i64 }, ptr %a1018
+  store { ptr, i64, i64 } %t1022, ptr %a1024
+  store { ptr, i64, i64 } { ptr @.str.5596, i64 6, i64 0 }, ptr %a1025
+  call void @finch_str_concat(ptr %a1023, ptr %a1024, ptr %a1025)
+  store { ptr, i64, i64 } %t1022, ptr %a1026
+  call void @finch_str_drop(ptr %a1026)
+  %t1027 = load { ptr, i64, i64 }, ptr %a1023
+  %t1028 = load { ptr, i64, i64 }, ptr %a1005
+  %t1029 = extractvalue { ptr, i64, i64 } %t1028, 1
+  %t1030 = icmp uge i64 3, %t1029
+  br i1 %t1030, label %range8527, label %inrange8528
+range8527:
+  call void @finch_panic_index(ptr @.str.5597, i64 5281, i64 3, i64 %t1029)
   unreachable
-inrange8078:
-  %t1001 = extractvalue { ptr, i64, i64 } %t998, 0
-  %t1002 = getelementptr inbounds %S.ast.Node, ptr %t1001, i64 1
-  %t1003 = load %S.ast.Node, ptr %t1002
-  %t1004 = call %S.gen.Val @finch.gen.expr(ptr %t996, %S.ast.Node %t1003)
-  %t1005 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5416, i64 3, i64 0 })
-  %t1006 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1007 = load { ptr, i64, i64 }, ptr %t1006
-  %t1008 = extractvalue { ptr, i64, i64 } %t1007, 1
-  %t1009 = icmp uge i64 1, %t1008
-  br i1 %t1009, label %range8079, label %inrange8080
-range8079:
-  call void @finch_panic_index(ptr @.str.5417, i64 4898, i64 1, i64 %t1008)
-  unreachable
-inrange8080:
-  %t1010 = extractvalue { ptr, i64, i64 } %t1007, 0
-  %t1011 = getelementptr inbounds %S.ast.Node, ptr %t1010, i64 1
-  %t1012 = load %S.ast.Node, ptr %t1011
-  %t1013 = call %S.gen.Val @finch.gen.coerce(ptr %t995, %S.gen.Val %t1004, %S.ast.Type %t1005, %S.ast.Node %t1012, { ptr, i64, i64 } { ptr @.str.5418, i64 9, i64 0 })
-  %t1014 = extractvalue %S.gen.Val %t1013, 0
-  store { ptr, i64, i64 } %t1014, ptr %a1015
-  call void @finch_str_copy(ptr %a1016, ptr %a1015)
-  %t1017 = load { ptr, i64, i64 }, ptr %a1016
-  store { ptr, i64, i64 } %t1017, ptr %a1018
-  %t1019 = load ptr, ptr %a1
-  %t1020 = load ptr, ptr %a1
-  %t1021 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1022 = load { ptr, i64, i64 }, ptr %t1021
-  %t1023 = extractvalue { ptr, i64, i64 } %t1022, 1
-  %t1024 = icmp uge i64 2, %t1023
-  br i1 %t1024, label %range8081, label %inrange8082
-range8081:
-  call void @finch_panic_index(ptr @.str.5419, i64 4899, i64 2, i64 %t1023)
-  unreachable
-inrange8082:
-  %t1025 = extractvalue { ptr, i64, i64 } %t1022, 0
-  %t1026 = getelementptr inbounds %S.ast.Node, ptr %t1025, i64 2
-  %t1027 = load %S.ast.Node, ptr %t1026
-  %t1028 = call %S.gen.Val @finch.gen.expr(ptr %t1020, %S.ast.Node %t1027)
-  %t1029 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5420, i64 3, i64 0 })
-  %t1030 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1031 = load { ptr, i64, i64 }, ptr %t1030
-  %t1032 = extractvalue { ptr, i64, i64 } %t1031, 1
-  %t1033 = icmp uge i64 2, %t1032
-  br i1 %t1033, label %range8083, label %inrange8084
-range8083:
-  call void @finch_panic_index(ptr @.str.5421, i64 4899, i64 2, i64 %t1032)
-  unreachable
-inrange8084:
-  %t1034 = extractvalue { ptr, i64, i64 } %t1031, 0
-  %t1035 = getelementptr inbounds %S.ast.Node, ptr %t1034, i64 2
-  %t1036 = load %S.ast.Node, ptr %t1035
-  %t1037 = call %S.gen.Val @finch.gen.coerce(ptr %t1019, %S.gen.Val %t1028, %S.ast.Type %t1029, %S.ast.Node %t1036, { ptr, i64, i64 } { ptr @.str.5422, i64 7, i64 0 })
-  %t1038 = extractvalue %S.gen.Val %t1037, 0
-  store { ptr, i64, i64 } %t1038, ptr %a1039
-  call void @finch_str_copy(ptr %a1040, ptr %a1039)
-  %t1041 = load { ptr, i64, i64 }, ptr %a1040
-  store { ptr, i64, i64 } %t1041, ptr %a1042
+inrange8528:
+  %t1031 = extractvalue { ptr, i64, i64 } %t1028, 0
+  %t1032 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1031, i64 3
+  %t1033 = load { ptr, i64, i64 }, ptr %t1032
+  store { ptr, i64, i64 } %t1027, ptr %a1035
+  store { ptr, i64, i64 } %t1033, ptr %a1036
+  call void @finch_str_concat(ptr %a1034, ptr %a1035, ptr %a1036)
+  store { ptr, i64, i64 } %t1027, ptr %a1037
+  call void @finch_str_drop(ptr %a1037)
+  %t1038 = load { ptr, i64, i64 }, ptr %a1034
+  %t1039 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1006, { ptr, i64, i64 } %t1038)
+  store { ptr, i64, i64 } %t1038, ptr %a1040
+  call void @finch_str_drop(ptr %a1040)
+  store { ptr, i64, i64 } %t1039, ptr %a1041
+  %t1042 = load ptr, ptr %a1
   %t1043 = load ptr, ptr %a1
-  %t1044 = load { ptr, i64, i64 }, ptr %a37
-  %t1045 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1043, { ptr, i64, i64 } { ptr @.str.5423, i64 3, i64 0 }, { ptr, i64, i64 } %t1044)
-  store { ptr, i64, i64 } %t1045, ptr %a1046
-  %t1047 = load ptr, ptr %a1
-  %t1048 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.5424, i64 13, i64 0 }, ptr %a1050
-  store { ptr, i64, i64 } %t1048, ptr %a1051
+  %t1044 = load { ptr, i64, i64 }, ptr %a983
+  store { ptr, i64, i64 } { ptr @.str.5599, i64 8, i64 0 }, ptr %a1046
+  store { ptr, i64, i64 } %t1044, ptr %a1047
+  call void @finch_str_concat(ptr %a1045, ptr %a1046, ptr %a1047)
+  %t1048 = load { ptr, i64, i64 }, ptr %a1045
+  store { ptr, i64, i64 } %t1048, ptr %a1050
+  store { ptr, i64, i64 } { ptr @.str.5600, i64 3, i64 0 }, ptr %a1051
   call void @finch_str_concat(ptr %a1049, ptr %a1050, ptr %a1051)
-  %t1052 = load { ptr, i64, i64 }, ptr %a1049
-  store { ptr, i64, i64 } %t1052, ptr %a1054
-  store { ptr, i64, i64 } { ptr @.str.5425, i64 3, i64 0 }, ptr %a1055
-  call void @finch_str_concat(ptr %a1053, ptr %a1054, ptr %a1055)
-  %t1056 = load { ptr, i64, i64 }, ptr %a1053
-  %t1057 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1047, { ptr, i64, i64 } %t1056)
-  store { ptr, i64, i64 } %t1057, ptr %a1058
-  %t1059 = load ptr, ptr %a1
-  %t1060 = load { ptr, i64, i64 }, ptr %a1042
-  store { ptr, i64, i64 } { ptr @.str.5426, i64 13, i64 0 }, ptr %a1062
-  store { ptr, i64, i64 } %t1060, ptr %a1063
+  store { ptr, i64, i64 } %t1048, ptr %a1052
+  call void @finch_str_drop(ptr %a1052)
+  %t1053 = load { ptr, i64, i64 }, ptr %a1049
+  %t1054 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1043, { ptr, i64, i64 } %t1053)
+  store { ptr, i64, i64 } %t1053, ptr %a1055
+  call void @finch_str_drop(ptr %a1055)
+  store { ptr, i64, i64 } { ptr @.str.5598, i64 8, i64 0 }, ptr %a1057
+  store { ptr, i64, i64 } %t1054, ptr %a1058
+  call void @finch_str_concat(ptr %a1056, ptr %a1057, ptr %a1058)
+  store { ptr, i64, i64 } %t1054, ptr %a1059
+  call void @finch_str_drop(ptr %a1059)
+  %t1060 = load { ptr, i64, i64 }, ptr %a1056
+  store { ptr, i64, i64 } %t1060, ptr %a1062
+  store { ptr, i64, i64 } { ptr @.str.5601, i64 2, i64 0 }, ptr %a1063
   call void @finch_str_concat(ptr %a1061, ptr %a1062, ptr %a1063)
-  %t1064 = load { ptr, i64, i64 }, ptr %a1061
-  store { ptr, i64, i64 } %t1064, ptr %a1066
-  store { ptr, i64, i64 } { ptr @.str.5427, i64 2, i64 0 }, ptr %a1067
-  call void @finch_str_concat(ptr %a1065, ptr %a1066, ptr %a1067)
-  %t1068 = load { ptr, i64, i64 }, ptr %a1065
-  %t1069 = load { ptr, i64, i64 }, ptr %a1046
-  store { ptr, i64, i64 } %t1068, ptr %a1071
-  store { ptr, i64, i64 } %t1069, ptr %a1072
-  call void @finch_str_concat(ptr %a1070, ptr %a1071, ptr %a1072)
-  %t1073 = load { ptr, i64, i64 }, ptr %a1070
-  %t1074 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1059, { ptr, i64, i64 } %t1073)
-  store { ptr, i64, i64 } %t1074, ptr %a1075
-  %t1076 = load ptr, ptr %a1
-  %t1077 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.5428, i64 13, i64 0 }, ptr %a1079
-  store { ptr, i64, i64 } %t1077, ptr %a1080
-  call void @finch_str_concat(ptr %a1078, ptr %a1079, ptr %a1080)
-  %t1081 = load { ptr, i64, i64 }, ptr %a1078
-  store { ptr, i64, i64 } %t1081, ptr %a1083
-  store { ptr, i64, i64 } { ptr @.str.5429, i64 2, i64 0 }, ptr %a1084
+  store { ptr, i64, i64 } %t1060, ptr %a1064
+  call void @finch_str_drop(ptr %a1064)
+  %t1065 = load { ptr, i64, i64 }, ptr %a1061
+  %t1066 = load { ptr, i64, i64 }, ptr %a1005
+  %t1067 = extractvalue { ptr, i64, i64 } %t1066, 1
+  %t1068 = icmp uge i64 3, %t1067
+  br i1 %t1068, label %range8529, label %inrange8530
+range8529:
+  call void @finch_panic_index(ptr @.str.5602, i64 5282, i64 3, i64 %t1067)
+  unreachable
+inrange8530:
+  %t1069 = extractvalue { ptr, i64, i64 } %t1066, 0
+  %t1070 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1069, i64 3
+  %t1071 = load { ptr, i64, i64 }, ptr %t1070
+  store { ptr, i64, i64 } %t1065, ptr %a1073
+  store { ptr, i64, i64 } %t1071, ptr %a1074
+  call void @finch_str_concat(ptr %a1072, ptr %a1073, ptr %a1074)
+  store { ptr, i64, i64 } %t1065, ptr %a1075
+  call void @finch_str_drop(ptr %a1075)
+  %t1076 = load { ptr, i64, i64 }, ptr %a1072
+  %t1077 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1042, { ptr, i64, i64 } %t1076)
+  store { ptr, i64, i64 } %t1076, ptr %a1078
+  call void @finch_str_drop(ptr %a1078)
+  store { ptr, i64, i64 } %t1077, ptr %a1079
+  %t1080 = load ptr, ptr %a1
+  %t1081 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5603, i64 23, i64 0 }, ptr %a1083
+  store { ptr, i64, i64 } %t1081, ptr %a1084
   call void @finch_str_concat(ptr %a1082, ptr %a1083, ptr %a1084)
   %t1085 = load { ptr, i64, i64 }, ptr %a1082
-  %t1086 = load { ptr, i64, i64 }, ptr %a1042
-  store { ptr, i64, i64 } %t1085, ptr %a1088
-  store { ptr, i64, i64 } %t1086, ptr %a1089
-  call void @finch_str_concat(ptr %a1087, ptr %a1088, ptr %a1089)
-  %t1090 = load { ptr, i64, i64 }, ptr %a1087
-  %t1091 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1076, { ptr, i64, i64 } %t1090)
-  store { ptr, i64, i64 } %t1091, ptr %a1092
-  %t1093 = load ptr, ptr %a1
-  %t1094 = load ptr, ptr %a1
-  %t1095 = load ptr, ptr %a1
-  %t1096 = load { ptr, i64, i64 }, ptr %a1058
-  store { ptr, i64, i64 } { ptr @.str.5431, i64 6, i64 0 }, ptr %a1098
-  store { ptr, i64, i64 } %t1096, ptr %a1099
+  store { ptr, i64, i64 } %t1085, ptr %a1087
+  store { ptr, i64, i64 } { ptr @.str.5604, i64 6, i64 0 }, ptr %a1088
+  call void @finch_str_concat(ptr %a1086, ptr %a1087, ptr %a1088)
+  store { ptr, i64, i64 } %t1085, ptr %a1089
+  call void @finch_str_drop(ptr %a1089)
+  %t1090 = load { ptr, i64, i64 }, ptr %a1086
+  %t1091 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t1090, ptr %a1093
+  store { ptr, i64, i64 } %t1091, ptr %a1094
+  call void @finch_str_concat(ptr %a1092, ptr %a1093, ptr %a1094)
+  store { ptr, i64, i64 } %t1090, ptr %a1095
+  call void @finch_str_drop(ptr %a1095)
+  %t1096 = load { ptr, i64, i64 }, ptr %a1092
+  store { ptr, i64, i64 } %t1096, ptr %a1098
+  store { ptr, i64, i64 } { ptr @.str.5605, i64 6, i64 0 }, ptr %a1099
   call void @finch_str_concat(ptr %a1097, ptr %a1098, ptr %a1099)
-  %t1100 = load { ptr, i64, i64 }, ptr %a1097
-  store { ptr, i64, i64 } %t1100, ptr %a1102
-  store { ptr, i64, i64 } { ptr @.str.5432, i64 2, i64 0 }, ptr %a1103
-  call void @finch_str_concat(ptr %a1101, ptr %a1102, ptr %a1103)
-  %t1104 = load { ptr, i64, i64 }, ptr %a1101
-  %t1105 = load { ptr, i64, i64 }, ptr %a1075
-  store { ptr, i64, i64 } %t1104, ptr %a1107
-  store { ptr, i64, i64 } %t1105, ptr %a1108
-  call void @finch_str_concat(ptr %a1106, ptr %a1107, ptr %a1108)
-  %t1109 = load { ptr, i64, i64 }, ptr %a1106
-  %t1110 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1095, { ptr, i64, i64 } %t1109)
-  store { ptr, i64, i64 } { ptr @.str.5430, i64 6, i64 0 }, ptr %a1112
-  store { ptr, i64, i64 } %t1110, ptr %a1113
-  call void @finch_str_concat(ptr %a1111, ptr %a1112, ptr %a1113)
-  %t1114 = load { ptr, i64, i64 }, ptr %a1111
-  store { ptr, i64, i64 } %t1114, ptr %a1116
-  store { ptr, i64, i64 } { ptr @.str.5433, i64 2, i64 0 }, ptr %a1117
-  call void @finch_str_concat(ptr %a1115, ptr %a1116, ptr %a1117)
-  %t1118 = load { ptr, i64, i64 }, ptr %a1115
-  %t1119 = load { ptr, i64, i64 }, ptr %a1092
-  store { ptr, i64, i64 } %t1118, ptr %a1121
-  store { ptr, i64, i64 } %t1119, ptr %a1122
-  call void @finch_str_concat(ptr %a1120, ptr %a1121, ptr %a1122)
+  store { ptr, i64, i64 } %t1096, ptr %a1100
+  call void @finch_str_drop(ptr %a1100)
+  %t1101 = load { ptr, i64, i64 }, ptr %a1097
+  %t1102 = load { ptr, i64, i64 }, ptr %a1079
+  store { ptr, i64, i64 } %t1101, ptr %a1104
+  store { ptr, i64, i64 } %t1102, ptr %a1105
+  call void @finch_str_concat(ptr %a1103, ptr %a1104, ptr %a1105)
+  store { ptr, i64, i64 } %t1101, ptr %a1106
+  call void @finch_str_drop(ptr %a1106)
+  %t1107 = load { ptr, i64, i64 }, ptr %a1103
+  %t1108 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1080, { ptr, i64, i64 } %t1107)
+  store { ptr, i64, i64 } %t1107, ptr %a1109
+  call void @finch_str_drop(ptr %a1109)
+  store { ptr, i64, i64 } %t1108, ptr %a1110
+  %t1111 = load ptr, ptr %a1
+  %t1112 = load { ptr, i64, i64 }, ptr %a19
+  %t1113 = load { ptr, i64, i64 }, ptr %a1041
+  %t1114 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1111, { ptr, i64, i64 } %t1112, { ptr, i64, i64 } %t1113)
+  store { ptr, i64, i64 } %t1114, ptr %a1115
+  %t1116 = load ptr, ptr %a1
+  %t1117 = load { ptr, i64, i64 }, ptr %a19
+  %t1118 = load { ptr, i64, i64 }, ptr %a1110
+  %t1119 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1116, { ptr, i64, i64 } %t1117, { ptr, i64, i64 } %t1118)
+  store { ptr, i64, i64 } %t1119, ptr %a1120
+  %t1121 = load ptr, ptr %a1
+  %t1122 = load { ptr, i64, i64 }, ptr %a19
   %t1123 = load { ptr, i64, i64 }, ptr %a1120
-  %t1124 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1094, { ptr, i64, i64 } %t1123)
-  %t1125 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t1093, { ptr, i64, i64 } %t1124, { ptr, i64, i64 } { ptr @.str.5434, i64 33, i64 0 }, %S.ast.Node %t1125)
-  %t1126 = load ptr, ptr %a1
-  %t1127 = load { ptr, i64, i64 }, ptr %a1042
-  store { ptr, i64, i64 } { ptr @.str.5435, i64 8, i64 0 }, ptr %a1129
-  store { ptr, i64, i64 } %t1127, ptr %a1130
-  call void @finch_str_concat(ptr %a1128, ptr %a1129, ptr %a1130)
-  %t1131 = load { ptr, i64, i64 }, ptr %a1128
-  store { ptr, i64, i64 } %t1131, ptr %a1133
-  store { ptr, i64, i64 } { ptr @.str.5436, i64 2, i64 0 }, ptr %a1134
-  call void @finch_str_concat(ptr %a1132, ptr %a1133, ptr %a1134)
-  %t1135 = load { ptr, i64, i64 }, ptr %a1132
-  %t1136 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } %t1135, ptr %a1138
-  store { ptr, i64, i64 } %t1136, ptr %a1139
-  call void @finch_str_concat(ptr %a1137, ptr %a1138, ptr %a1139)
-  %t1140 = load { ptr, i64, i64 }, ptr %a1137
-  %t1141 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1126, { ptr, i64, i64 } %t1140)
-  store { ptr, i64, i64 } %t1141, ptr %a1142
-  %t1143 = load ptr, ptr %a1
-  %t1144 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1143, { ptr, i64, i64 } { ptr @.str.5437, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t1144, ptr %a1145
-  %t1146 = load ptr, ptr %a1
-  %t1147 = load { ptr, i64, i64 }, ptr %a1145
-  store { ptr, i64, i64 } { ptr @.str.5438, i64 30, i64 0 }, ptr %a1149
-  store { ptr, i64, i64 } %t1147, ptr %a1150
-  call void @finch_str_concat(ptr %a1148, ptr %a1149, ptr %a1150)
-  %t1151 = load { ptr, i64, i64 }, ptr %a1148
-  store { ptr, i64, i64 } %t1151, ptr %a1153
-  store { ptr, i64, i64 } { ptr @.str.5439, i64 6, i64 0 }, ptr %a1154
-  call void @finch_str_concat(ptr %a1152, ptr %a1153, ptr %a1154)
-  %t1155 = load { ptr, i64, i64 }, ptr %a1152
-  %t1156 = load { ptr, i64, i64 }, ptr %a1142
-  store { ptr, i64, i64 } %t1155, ptr %a1158
-  store { ptr, i64, i64 } %t1156, ptr %a1159
-  call void @finch_str_concat(ptr %a1157, ptr %a1158, ptr %a1159)
-  %t1160 = load { ptr, i64, i64 }, ptr %a1157
-  store { ptr, i64, i64 } %t1160, ptr %a1162
-  store { ptr, i64, i64 } { ptr @.str.5440, i64 6, i64 0 }, ptr %a1163
-  call void @finch_str_concat(ptr %a1161, ptr %a1162, ptr %a1163)
-  %t1164 = load { ptr, i64, i64 }, ptr %a1161
-  %t1165 = load ptr, ptr %a1
-  %t1166 = load %S.ast.Type, ptr %a15
-  %t1167 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1165, %S.ast.Type %t1166)
-  store { ptr, i64, i64 } %t1164, ptr %a1169
-  store { ptr, i64, i64 } %t1167, ptr %a1170
-  call void @finch_str_concat(ptr %a1168, ptr %a1169, ptr %a1170)
-  %t1171 = load { ptr, i64, i64 }, ptr %a1168
-  store { ptr, i64, i64 } %t1171, ptr %a1173
-  store { ptr, i64, i64 } { ptr @.str.5441, i64 1, i64 0 }, ptr %a1174
-  call void @finch_str_concat(ptr %a1172, ptr %a1173, ptr %a1174)
-  %t1175 = load { ptr, i64, i64 }, ptr %a1172
-  call void @finch.gen.emit(ptr %t1146, { ptr, i64, i64 } %t1175)
-  %t1176 = load ptr, ptr %a1
-  %t1177 = load { ptr, i64, i64 }, ptr %a3
-  %t1178 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1176, { ptr, i64, i64 } { ptr @.str.5442, i64 3, i64 0 }, { ptr, i64, i64 } %t1177)
-  store { ptr, i64, i64 } %t1178, ptr %a1179
-  %t1180 = load ptr, ptr %a1
-  %t1181 = load { ptr, i64, i64 }, ptr %a1145
-  %t1182 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1180, { ptr, i64, i64 } { ptr @.str.5443, i64 3, i64 0 }, { ptr, i64, i64 } %t1181)
-  store { ptr, i64, i64 } %t1182, ptr %a1183
-  %t1184 = load ptr, ptr %a1
-  %t1185 = load { ptr, i64, i64 }, ptr %a1142
-  %t1186 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t1184, { ptr, i64, i64 } %t1185)
-  store { ptr, i64, i64 } %t1186, ptr %a1187
-  %t1188 = load ptr, ptr %a1
-  %t1189 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5444, i64 23, i64 0 }, ptr %a1191
-  store { ptr, i64, i64 } %t1189, ptr %a1192
-  call void @finch_str_concat(ptr %a1190, ptr %a1191, ptr %a1192)
-  %t1193 = load { ptr, i64, i64 }, ptr %a1190
-  store { ptr, i64, i64 } %t1193, ptr %a1195
-  store { ptr, i64, i64 } { ptr @.str.5445, i64 6, i64 0 }, ptr %a1196
-  call void @finch_str_concat(ptr %a1194, ptr %a1195, ptr %a1196)
-  %t1197 = load { ptr, i64, i64 }, ptr %a1194
-  %t1198 = load { ptr, i64, i64 }, ptr %a1183
-  store { ptr, i64, i64 } %t1197, ptr %a1200
-  store { ptr, i64, i64 } %t1198, ptr %a1201
-  call void @finch_str_concat(ptr %a1199, ptr %a1200, ptr %a1201)
-  %t1202 = load { ptr, i64, i64 }, ptr %a1199
-  store { ptr, i64, i64 } %t1202, ptr %a1204
-  store { ptr, i64, i64 } { ptr @.str.5446, i64 6, i64 0 }, ptr %a1205
-  call void @finch_str_concat(ptr %a1203, ptr %a1204, ptr %a1205)
-  %t1206 = load { ptr, i64, i64 }, ptr %a1203
-  %t1207 = load { ptr, i64, i64 }, ptr %a1187
-  %t1208 = extractvalue { ptr, i64, i64 } %t1207, 1
-  %t1209 = icmp uge i64 3, %t1208
-  br i1 %t1209, label %range8085, label %inrange8086
-range8085:
-  call void @finch_panic_index(ptr @.str.5447, i64 4911, i64 3, i64 %t1208)
+  %t1124 = load { ptr, i64, i64 }, ptr %a1041
+  call void @finch.gen.store(ptr %t1121, { ptr, i64, i64 } %t1122, { ptr, i64, i64 } %t1123, { ptr, i64, i64 } %t1124)
+  %t1125 = load ptr, ptr %a1
+  %t1126 = load { ptr, i64, i64 }, ptr %a19
+  %t1127 = load { ptr, i64, i64 }, ptr %a1115
+  %t1128 = load { ptr, i64, i64 }, ptr %a1110
+  call void @finch.gen.store(ptr %t1125, { ptr, i64, i64 } %t1126, { ptr, i64, i64 } %t1127, { ptr, i64, i64 } %t1128)
+  %t1129 = load ptr, ptr %a1
+  %t1130 = load { ptr, i64, i64 }, ptr %a1005
+  call void @finch.gen.loopEnd(ptr %t1129, { ptr, i64, i64 } %t1130)
+  %t1131 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5606, i64 4, i64 0 })
+  %t1132 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1131, 1
+  call void @finch_str_drop(ptr %a1120)
+  call void @finch_str_drop(ptr %a1115)
+  call void @finch_str_drop(ptr %a1110)
+  call void @finch_str_drop(ptr %a1079)
+  call void @finch_str_drop(ptr %a1041)
+  call void @finch.drop.arr_str(ptr %a1005)
+  call void @finch_str_drop(ptr %a1001)
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a983)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t1132
+endif8526:
+  %t1133 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t1133, ptr %a1134
+  store { ptr, i64, i64 } { ptr @.str.5607, i64 5, i64 0 }, ptr %a1135
+  %t1136 = call i32 @finch_str_eq(ptr %a1134, ptr %a1135)
+  %t1137 = icmp ne i32 %t1136, 0
+  br i1 %t1137, label %then8531, label %endif8533
+then8531:
+  %t1138 = load ptr, ptr %a1
+  %t1139 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t1138, %S.ast.Node %t1139, i64 2)
+  %t1140 = load ptr, ptr %a1
+  %t1141 = load ptr, ptr %a1
+  %t1142 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1143 = load { ptr, i64, i64 }, ptr %t1142
+  %t1144 = extractvalue { ptr, i64, i64 } %t1143, 1
+  %t1145 = icmp uge i64 1, %t1144
+  br i1 %t1145, label %range8534, label %inrange8535
+range8534:
+  call void @finch_panic_index(ptr @.str.5608, i64 5293, i64 1, i64 %t1144)
   unreachable
-inrange8086:
-  %t1210 = extractvalue { ptr, i64, i64 } %t1207, 0
-  %t1211 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1210, i64 3
-  %t1212 = load { ptr, i64, i64 }, ptr %t1211
-  store { ptr, i64, i64 } %t1206, ptr %a1214
-  store { ptr, i64, i64 } %t1212, ptr %a1215
-  call void @finch_str_concat(ptr %a1213, ptr %a1214, ptr %a1215)
-  %t1216 = load { ptr, i64, i64 }, ptr %a1213
-  %t1217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1188, { ptr, i64, i64 } %t1216)
-  store { ptr, i64, i64 } %t1217, ptr %a1218
-  %t1219 = load ptr, ptr %a1
-  %t1220 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5448, i64 23, i64 0 }, ptr %a1222
-  store { ptr, i64, i64 } %t1220, ptr %a1223
-  call void @finch_str_concat(ptr %a1221, ptr %a1222, ptr %a1223)
-  %t1224 = load { ptr, i64, i64 }, ptr %a1221
-  store { ptr, i64, i64 } %t1224, ptr %a1226
-  store { ptr, i64, i64 } { ptr @.str.5449, i64 6, i64 0 }, ptr %a1227
-  call void @finch_str_concat(ptr %a1225, ptr %a1226, ptr %a1227)
-  %t1228 = load { ptr, i64, i64 }, ptr %a1225
-  %t1229 = load { ptr, i64, i64 }, ptr %a1179
-  store { ptr, i64, i64 } %t1228, ptr %a1231
-  store { ptr, i64, i64 } %t1229, ptr %a1232
-  call void @finch_str_concat(ptr %a1230, ptr %a1231, ptr %a1232)
-  %t1233 = load { ptr, i64, i64 }, ptr %a1230
-  store { ptr, i64, i64 } %t1233, ptr %a1235
-  store { ptr, i64, i64 } { ptr @.str.5450, i64 6, i64 0 }, ptr %a1236
+inrange8535:
+  %t1146 = extractvalue { ptr, i64, i64 } %t1143, 0
+  %t1147 = getelementptr inbounds %S.ast.Node, ptr %t1146, i64 1
+  %t1148 = load %S.ast.Node, ptr %t1147
+  %t1149 = call %S.gen.Val @finch.gen.expr(ptr %t1141, %S.ast.Node %t1148)
+  %t1150 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5609, i64 3, i64 0 })
+  %t1151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1152 = load { ptr, i64, i64 }, ptr %t1151
+  %t1153 = extractvalue { ptr, i64, i64 } %t1152, 1
+  %t1154 = icmp uge i64 1, %t1153
+  br i1 %t1154, label %range8536, label %inrange8537
+range8536:
+  call void @finch_panic_index(ptr @.str.5610, i64 5293, i64 1, i64 %t1153)
+  unreachable
+inrange8537:
+  %t1155 = extractvalue { ptr, i64, i64 } %t1152, 0
+  %t1156 = getelementptr inbounds %S.ast.Node, ptr %t1155, i64 1
+  %t1157 = load %S.ast.Node, ptr %t1156
+  %t1158 = call %S.gen.Val @finch.gen.coerce(ptr %t1140, %S.gen.Val %t1149, %S.ast.Type %t1150, %S.ast.Node %t1157, { ptr, i64, i64 } { ptr @.str.5611, i64 9, i64 0 })
+  store %S.gen.Val %t1149, ptr %a1159
+  call void @finch.drop.S_gen_Val(ptr %a1159)
+  store %S.ast.Type %t1150, ptr %a1160
+  call void @finch.drop.S_ast_Type(ptr %a1160)
+  %t1161 = extractvalue %S.gen.Val %t1158, 0
+  store { ptr, i64, i64 } %t1161, ptr %a1162
+  call void @finch_str_copy(ptr %a1163, ptr %a1162)
+  %t1164 = load { ptr, i64, i64 }, ptr %a1163
+  store %S.gen.Val %t1158, ptr %a1165
+  call void @finch.drop.S_gen_Val(ptr %a1165)
+  store { ptr, i64, i64 } %t1164, ptr %a1166
+  %t1167 = load ptr, ptr %a1
+  %t1168 = load ptr, ptr %a1
+  %t1169 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1170 = load { ptr, i64, i64 }, ptr %t1169
+  %t1171 = extractvalue { ptr, i64, i64 } %t1170, 1
+  %t1172 = icmp uge i64 2, %t1171
+  br i1 %t1172, label %range8538, label %inrange8539
+range8538:
+  call void @finch_panic_index(ptr @.str.5612, i64 5294, i64 2, i64 %t1171)
+  unreachable
+inrange8539:
+  %t1173 = extractvalue { ptr, i64, i64 } %t1170, 0
+  %t1174 = getelementptr inbounds %S.ast.Node, ptr %t1173, i64 2
+  %t1175 = load %S.ast.Node, ptr %t1174
+  %t1176 = call %S.gen.Val @finch.gen.expr(ptr %t1168, %S.ast.Node %t1175)
+  %t1177 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5613, i64 3, i64 0 })
+  %t1178 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1179 = load { ptr, i64, i64 }, ptr %t1178
+  %t1180 = extractvalue { ptr, i64, i64 } %t1179, 1
+  %t1181 = icmp uge i64 2, %t1180
+  br i1 %t1181, label %range8540, label %inrange8541
+range8540:
+  call void @finch_panic_index(ptr @.str.5614, i64 5294, i64 2, i64 %t1180)
+  unreachable
+inrange8541:
+  %t1182 = extractvalue { ptr, i64, i64 } %t1179, 0
+  %t1183 = getelementptr inbounds %S.ast.Node, ptr %t1182, i64 2
+  %t1184 = load %S.ast.Node, ptr %t1183
+  %t1185 = call %S.gen.Val @finch.gen.coerce(ptr %t1167, %S.gen.Val %t1176, %S.ast.Type %t1177, %S.ast.Node %t1184, { ptr, i64, i64 } { ptr @.str.5615, i64 7, i64 0 })
+  store %S.gen.Val %t1176, ptr %a1186
+  call void @finch.drop.S_gen_Val(ptr %a1186)
+  store %S.ast.Type %t1177, ptr %a1187
+  call void @finch.drop.S_ast_Type(ptr %a1187)
+  %t1188 = extractvalue %S.gen.Val %t1185, 0
+  store { ptr, i64, i64 } %t1188, ptr %a1189
+  call void @finch_str_copy(ptr %a1190, ptr %a1189)
+  %t1191 = load { ptr, i64, i64 }, ptr %a1190
+  store %S.gen.Val %t1185, ptr %a1192
+  call void @finch.drop.S_gen_Val(ptr %a1192)
+  store { ptr, i64, i64 } %t1191, ptr %a1193
+  %t1194 = load ptr, ptr %a1
+  %t1195 = load { ptr, i64, i64 }, ptr %a39
+  %t1196 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1194, { ptr, i64, i64 } { ptr @.str.5616, i64 3, i64 0 }, { ptr, i64, i64 } %t1195)
+  store { ptr, i64, i64 } %t1196, ptr %a1197
+  %t1198 = load ptr, ptr %a1
+  %t1199 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } { ptr @.str.5617, i64 13, i64 0 }, ptr %a1201
+  store { ptr, i64, i64 } %t1199, ptr %a1202
+  call void @finch_str_concat(ptr %a1200, ptr %a1201, ptr %a1202)
+  %t1203 = load { ptr, i64, i64 }, ptr %a1200
+  store { ptr, i64, i64 } %t1203, ptr %a1205
+  store { ptr, i64, i64 } { ptr @.str.5618, i64 3, i64 0 }, ptr %a1206
+  call void @finch_str_concat(ptr %a1204, ptr %a1205, ptr %a1206)
+  store { ptr, i64, i64 } %t1203, ptr %a1207
+  call void @finch_str_drop(ptr %a1207)
+  %t1208 = load { ptr, i64, i64 }, ptr %a1204
+  %t1209 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1198, { ptr, i64, i64 } %t1208)
+  store { ptr, i64, i64 } %t1208, ptr %a1210
+  call void @finch_str_drop(ptr %a1210)
+  store { ptr, i64, i64 } %t1209, ptr %a1211
+  %t1212 = load ptr, ptr %a1
+  %t1213 = load { ptr, i64, i64 }, ptr %a1193
+  store { ptr, i64, i64 } { ptr @.str.5619, i64 13, i64 0 }, ptr %a1215
+  store { ptr, i64, i64 } %t1213, ptr %a1216
+  call void @finch_str_concat(ptr %a1214, ptr %a1215, ptr %a1216)
+  %t1217 = load { ptr, i64, i64 }, ptr %a1214
+  store { ptr, i64, i64 } %t1217, ptr %a1219
+  store { ptr, i64, i64 } { ptr @.str.5620, i64 2, i64 0 }, ptr %a1220
+  call void @finch_str_concat(ptr %a1218, ptr %a1219, ptr %a1220)
+  store { ptr, i64, i64 } %t1217, ptr %a1221
+  call void @finch_str_drop(ptr %a1221)
+  %t1222 = load { ptr, i64, i64 }, ptr %a1218
+  %t1223 = load { ptr, i64, i64 }, ptr %a1197
+  store { ptr, i64, i64 } %t1222, ptr %a1225
+  store { ptr, i64, i64 } %t1223, ptr %a1226
+  call void @finch_str_concat(ptr %a1224, ptr %a1225, ptr %a1226)
+  store { ptr, i64, i64 } %t1222, ptr %a1227
+  call void @finch_str_drop(ptr %a1227)
+  %t1228 = load { ptr, i64, i64 }, ptr %a1224
+  %t1229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1212, { ptr, i64, i64 } %t1228)
+  store { ptr, i64, i64 } %t1228, ptr %a1230
+  call void @finch_str_drop(ptr %a1230)
+  store { ptr, i64, i64 } %t1229, ptr %a1231
+  %t1232 = load ptr, ptr %a1
+  %t1233 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } { ptr @.str.5621, i64 13, i64 0 }, ptr %a1235
+  store { ptr, i64, i64 } %t1233, ptr %a1236
   call void @finch_str_concat(ptr %a1234, ptr %a1235, ptr %a1236)
   %t1237 = load { ptr, i64, i64 }, ptr %a1234
-  %t1238 = load ptr, ptr %a1
-  %t1239 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.5451, i64 8, i64 0 }, ptr %a1241
-  store { ptr, i64, i64 } %t1239, ptr %a1242
-  call void @finch_str_concat(ptr %a1240, ptr %a1241, ptr %a1242)
-  %t1243 = load { ptr, i64, i64 }, ptr %a1240
-  store { ptr, i64, i64 } %t1243, ptr %a1245
-  store { ptr, i64, i64 } { ptr @.str.5452, i64 2, i64 0 }, ptr %a1246
+  store { ptr, i64, i64 } %t1237, ptr %a1239
+  store { ptr, i64, i64 } { ptr @.str.5622, i64 2, i64 0 }, ptr %a1240
+  call void @finch_str_concat(ptr %a1238, ptr %a1239, ptr %a1240)
+  store { ptr, i64, i64 } %t1237, ptr %a1241
+  call void @finch_str_drop(ptr %a1241)
+  %t1242 = load { ptr, i64, i64 }, ptr %a1238
+  %t1243 = load { ptr, i64, i64 }, ptr %a1193
+  store { ptr, i64, i64 } %t1242, ptr %a1245
+  store { ptr, i64, i64 } %t1243, ptr %a1246
   call void @finch_str_concat(ptr %a1244, ptr %a1245, ptr %a1246)
-  %t1247 = load { ptr, i64, i64 }, ptr %a1244
-  %t1248 = load { ptr, i64, i64 }, ptr %a1187
-  %t1249 = extractvalue { ptr, i64, i64 } %t1248, 1
-  %t1250 = icmp uge i64 3, %t1249
-  br i1 %t1250, label %range8087, label %inrange8088
-range8087:
-  call void @finch_panic_index(ptr @.str.5453, i64 4912, i64 3, i64 %t1249)
-  unreachable
-inrange8088:
-  %t1251 = extractvalue { ptr, i64, i64 } %t1248, 0
-  %t1252 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1251, i64 3
-  %t1253 = load { ptr, i64, i64 }, ptr %t1252
-  store { ptr, i64, i64 } %t1247, ptr %a1255
-  store { ptr, i64, i64 } %t1253, ptr %a1256
-  call void @finch_str_concat(ptr %a1254, ptr %a1255, ptr %a1256)
-  %t1257 = load { ptr, i64, i64 }, ptr %a1254
-  %t1258 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1238, { ptr, i64, i64 } %t1257)
-  store { ptr, i64, i64 } %t1237, ptr %a1260
-  store { ptr, i64, i64 } %t1258, ptr %a1261
-  call void @finch_str_concat(ptr %a1259, ptr %a1260, ptr %a1261)
-  %t1262 = load { ptr, i64, i64 }, ptr %a1259
-  %t1263 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1219, { ptr, i64, i64 } %t1262)
-  store { ptr, i64, i64 } %t1263, ptr %a1264
-  %t1265 = load ptr, ptr %a1
-  %t1266 = load { ptr, i64, i64 }, ptr %a1218
-  %t1267 = load { ptr, i64, i64 }, ptr %a1264
-  %t1268 = load %S.ast.Type, ptr %a15
-  call void @finch.gen.copyAt(ptr %t1265, { ptr, i64, i64 } %t1266, { ptr, i64, i64 } %t1267, %S.ast.Type %t1268)
-  %t1269 = load ptr, ptr %a1
-  %t1270 = load { ptr, i64, i64 }, ptr %a1187
-  call void @finch.gen.loopEnd(ptr %t1269, { ptr, i64, i64 } %t1270)
-  %t1271 = load ptr, ptr %a1
-  %t1272 = load { ptr, i64, i64 }, ptr %a1145
-  %t1273 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1271, { ptr, i64, i64 } { ptr @.str.5454, i64 17, i64 0 }, { ptr, i64, i64 } %t1272)
-  %t1274 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1273, 0
-  %t1275 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t1275, ptr %a1276
-  call void @finch.copy.S_ast_Type(ptr %a1277, ptr %a1276)
-  %t1278 = load %S.ast.Type, ptr %a1277
-  %t1279 = insertvalue %S.gen.Val %t1274, %S.ast.Type %t1278, 1
-  %t1280 = insertvalue %S.gen.Val %t1279, i1 true, 2
-  ret %S.gen.Val %t1280
-endif8076:
-  %t1281 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t1281, ptr %a1282
-  store { ptr, i64, i64 } { ptr @.str.5455, i64 4, i64 0 }, ptr %a1283
-  %t1284 = call i32 @finch_str_eq(ptr %a1282, ptr %a1283)
-  %t1285 = icmp ne i32 %t1284, 0
-  br i1 %t1285, label %then8089, label %endif8091
-then8089:
-  %t1286 = load ptr, ptr %a1
-  %t1287 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t1286, %S.ast.Node %t1287, i64 0)
-  %t1288 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
-  %t1289 = load { ptr, i64, i64 }, ptr %t1288
-  store { ptr, i64, i64 } %t1289, ptr %a1290
-  call void @finch_str_copy(ptr %a1291, ptr %a1290)
-  %t1292 = load { ptr, i64, i64 }, ptr %a1291
-  store { ptr, i64, i64 } %t1292, ptr %a1293
-  %t1294 = load %S.ast.Type, ptr %a15
-  %t1295 = call i1 @finch.gen.isNumber(%S.ast.Type %t1294)
-  %t1296 = xor i1 %t1295, true
-  br label %logic.from8092
-logic.from8092:
-  br i1 %t1296, label %logic.rhs8093, label %logic.end8094
-logic.rhs8093:
-  %t1297 = load { ptr, i64, i64 }, ptr %a1293
-  store { ptr, i64, i64 } %t1297, ptr %a1298
-  store { ptr, i64, i64 } { ptr @.str.5456, i64 4, i64 0 }, ptr %a1299
-  %t1300 = call i32 @finch_str_eq(ptr %a1298, ptr %a1299)
-  %t1301 = icmp eq i32 %t1300, 0
-  br label %logic.rend8095
-logic.rend8095:
-  br label %logic.end8094
-logic.end8094:
-  %t1302 = phi i1 [ false, %logic.from8092 ], [ %t1301, %logic.rend8095 ]
-  br label %logic.from8096
-logic.from8096:
-  br i1 %t1302, label %logic.rhs8097, label %logic.end8098
-logic.rhs8097:
-  %t1303 = load { ptr, i64, i64 }, ptr %a1293
-  store { ptr, i64, i64 } %t1303, ptr %a1304
-  store { ptr, i64, i64 } { ptr @.str.5457, i64 3, i64 0 }, ptr %a1305
-  %t1306 = call i32 @finch_str_eq(ptr %a1304, ptr %a1305)
-  %t1307 = icmp eq i32 %t1306, 0
-  br label %logic.rend8099
-logic.rend8099:
-  br label %logic.end8098
-logic.end8098:
-  %t1308 = phi i1 [ false, %logic.from8096 ], [ %t1307, %logic.rend8099 ]
-  br i1 %t1308, label %then8100, label %endif8102
-then8100:
-  %t1309 = load ptr, ptr %a1
-  %t1310 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t1309, %S.ast.Node %t1310, { ptr, i64, i64 } { ptr @.str.5458, i64 47, i64 0 })
-  br label %endif8102
-endif8102:
-  %t1311 = load ptr, ptr %a1
-  %t1312 = load %S.ast.Type, ptr %a15
-  %t1313 = call { ptr, i64, i64 } @finch.gen.cmpFn(ptr %t1311, %S.ast.Type %t1312)
-  store { ptr, i64, i64 } %t1313, ptr %a1314
-  %t1315 = load ptr, ptr %a1
-  %t1316 = load { ptr, i64, i64 }, ptr %a37
-  %t1317 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1315, { ptr, i64, i64 } { ptr @.str.5459, i64 3, i64 0 }, { ptr, i64, i64 } %t1316)
-  store { ptr, i64, i64 } %t1317, ptr %a1318
-  %t1319 = load ptr, ptr %a1
-  %t1320 = load { ptr, i64, i64 }, ptr %a3
-  %t1321 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1319, { ptr, i64, i64 } { ptr @.str.5460, i64 3, i64 0 }, { ptr, i64, i64 } %t1320)
-  store { ptr, i64, i64 } %t1321, ptr %a1322
-  %t1323 = load ptr, ptr %a1
-  %t1324 = load { ptr, i64, i64 }, ptr %a1322
-  store { ptr, i64, i64 } { ptr @.str.5461, i64 21, i64 0 }, ptr %a1326
-  store { ptr, i64, i64 } %t1324, ptr %a1327
-  call void @finch_str_concat(ptr %a1325, ptr %a1326, ptr %a1327)
-  %t1328 = load { ptr, i64, i64 }, ptr %a1325
-  store { ptr, i64, i64 } %t1328, ptr %a1330
-  store { ptr, i64, i64 } { ptr @.str.5462, i64 6, i64 0 }, ptr %a1331
-  call void @finch_str_concat(ptr %a1329, ptr %a1330, ptr %a1331)
-  %t1332 = load { ptr, i64, i64 }, ptr %a1329
-  %t1333 = load { ptr, i64, i64 }, ptr %a1318
-  store { ptr, i64, i64 } %t1332, ptr %a1335
-  store { ptr, i64, i64 } %t1333, ptr %a1336
-  call void @finch_str_concat(ptr %a1334, ptr %a1335, ptr %a1336)
-  %t1337 = load { ptr, i64, i64 }, ptr %a1334
-  store { ptr, i64, i64 } %t1337, ptr %a1339
-  store { ptr, i64, i64 } { ptr @.str.5463, i64 6, i64 0 }, ptr %a1340
-  call void @finch_str_concat(ptr %a1338, ptr %a1339, ptr %a1340)
-  %t1341 = load { ptr, i64, i64 }, ptr %a1338
-  %t1342 = load ptr, ptr %a1
-  %t1343 = load %S.ast.Type, ptr %a15
-  %t1344 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1342, %S.ast.Type %t1343)
-  store { ptr, i64, i64 } %t1341, ptr %a1346
-  store { ptr, i64, i64 } %t1344, ptr %a1347
-  call void @finch_str_concat(ptr %a1345, ptr %a1346, ptr %a1347)
-  %t1348 = load { ptr, i64, i64 }, ptr %a1345
-  store { ptr, i64, i64 } %t1348, ptr %a1350
-  store { ptr, i64, i64 } { ptr @.str.5464, i64 6, i64 0 }, ptr %a1351
-  call void @finch_str_concat(ptr %a1349, ptr %a1350, ptr %a1351)
-  %t1352 = load { ptr, i64, i64 }, ptr %a1349
-  %t1353 = load { ptr, i64, i64 }, ptr %a1314
-  store { ptr, i64, i64 } %t1352, ptr %a1355
-  store { ptr, i64, i64 } %t1353, ptr %a1356
-  call void @finch_str_concat(ptr %a1354, ptr %a1355, ptr %a1356)
-  %t1357 = load { ptr, i64, i64 }, ptr %a1354
-  store { ptr, i64, i64 } %t1357, ptr %a1359
-  store { ptr, i64, i64 } { ptr @.str.5465, i64 1, i64 0 }, ptr %a1360
-  call void @finch_str_concat(ptr %a1358, ptr %a1359, ptr %a1360)
-  %t1361 = load { ptr, i64, i64 }, ptr %a1358
-  call void @finch.gen.emit(ptr %t1323, { ptr, i64, i64 } %t1361)
-  %t1362 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5466, i64 4, i64 0 })
-  %t1363 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1362, 1
-  ret %S.gen.Val %t1363
-endif8091:
-  %t1364 = load ptr, ptr %a1
-  %t1365 = load %S.ast.Node, ptr %a2
-  %t1366 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.5467, i64 24, i64 0 }, ptr %a1368
+  store { ptr, i64, i64 } %t1242, ptr %a1247
+  call void @finch_str_drop(ptr %a1247)
+  %t1248 = load { ptr, i64, i64 }, ptr %a1244
+  %t1249 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1232, { ptr, i64, i64 } %t1248)
+  store { ptr, i64, i64 } %t1248, ptr %a1250
+  call void @finch_str_drop(ptr %a1250)
+  store { ptr, i64, i64 } %t1249, ptr %a1251
+  %t1252 = load ptr, ptr %a1
+  %t1253 = load ptr, ptr %a1
+  %t1254 = load ptr, ptr %a1
+  %t1255 = load { ptr, i64, i64 }, ptr %a1211
+  store { ptr, i64, i64 } { ptr @.str.5624, i64 6, i64 0 }, ptr %a1257
+  store { ptr, i64, i64 } %t1255, ptr %a1258
+  call void @finch_str_concat(ptr %a1256, ptr %a1257, ptr %a1258)
+  %t1259 = load { ptr, i64, i64 }, ptr %a1256
+  store { ptr, i64, i64 } %t1259, ptr %a1261
+  store { ptr, i64, i64 } { ptr @.str.5625, i64 2, i64 0 }, ptr %a1262
+  call void @finch_str_concat(ptr %a1260, ptr %a1261, ptr %a1262)
+  store { ptr, i64, i64 } %t1259, ptr %a1263
+  call void @finch_str_drop(ptr %a1263)
+  %t1264 = load { ptr, i64, i64 }, ptr %a1260
+  %t1265 = load { ptr, i64, i64 }, ptr %a1231
+  store { ptr, i64, i64 } %t1264, ptr %a1267
+  store { ptr, i64, i64 } %t1265, ptr %a1268
+  call void @finch_str_concat(ptr %a1266, ptr %a1267, ptr %a1268)
+  store { ptr, i64, i64 } %t1264, ptr %a1269
+  call void @finch_str_drop(ptr %a1269)
+  %t1270 = load { ptr, i64, i64 }, ptr %a1266
+  %t1271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1254, { ptr, i64, i64 } %t1270)
+  store { ptr, i64, i64 } %t1270, ptr %a1272
+  call void @finch_str_drop(ptr %a1272)
+  store { ptr, i64, i64 } { ptr @.str.5623, i64 6, i64 0 }, ptr %a1274
+  store { ptr, i64, i64 } %t1271, ptr %a1275
+  call void @finch_str_concat(ptr %a1273, ptr %a1274, ptr %a1275)
+  store { ptr, i64, i64 } %t1271, ptr %a1276
+  call void @finch_str_drop(ptr %a1276)
+  %t1277 = load { ptr, i64, i64 }, ptr %a1273
+  store { ptr, i64, i64 } %t1277, ptr %a1279
+  store { ptr, i64, i64 } { ptr @.str.5626, i64 2, i64 0 }, ptr %a1280
+  call void @finch_str_concat(ptr %a1278, ptr %a1279, ptr %a1280)
+  store { ptr, i64, i64 } %t1277, ptr %a1281
+  call void @finch_str_drop(ptr %a1281)
+  %t1282 = load { ptr, i64, i64 }, ptr %a1278
+  %t1283 = load { ptr, i64, i64 }, ptr %a1251
+  store { ptr, i64, i64 } %t1282, ptr %a1285
+  store { ptr, i64, i64 } %t1283, ptr %a1286
+  call void @finch_str_concat(ptr %a1284, ptr %a1285, ptr %a1286)
+  store { ptr, i64, i64 } %t1282, ptr %a1287
+  call void @finch_str_drop(ptr %a1287)
+  %t1288 = load { ptr, i64, i64 }, ptr %a1284
+  %t1289 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1253, { ptr, i64, i64 } %t1288)
+  store { ptr, i64, i64 } %t1288, ptr %a1290
+  call void @finch_str_drop(ptr %a1290)
+  %t1291 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t1252, { ptr, i64, i64 } %t1289, { ptr, i64, i64 } { ptr @.str.5627, i64 33, i64 0 }, %S.ast.Node %t1291)
+  store { ptr, i64, i64 } %t1289, ptr %a1292
+  call void @finch_str_drop(ptr %a1292)
+  %t1293 = load ptr, ptr %a1
+  %t1294 = load { ptr, i64, i64 }, ptr %a1193
+  store { ptr, i64, i64 } { ptr @.str.5628, i64 8, i64 0 }, ptr %a1296
+  store { ptr, i64, i64 } %t1294, ptr %a1297
+  call void @finch_str_concat(ptr %a1295, ptr %a1296, ptr %a1297)
+  %t1298 = load { ptr, i64, i64 }, ptr %a1295
+  store { ptr, i64, i64 } %t1298, ptr %a1300
+  store { ptr, i64, i64 } { ptr @.str.5629, i64 2, i64 0 }, ptr %a1301
+  call void @finch_str_concat(ptr %a1299, ptr %a1300, ptr %a1301)
+  store { ptr, i64, i64 } %t1298, ptr %a1302
+  call void @finch_str_drop(ptr %a1302)
+  %t1303 = load { ptr, i64, i64 }, ptr %a1299
+  %t1304 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } %t1303, ptr %a1306
+  store { ptr, i64, i64 } %t1304, ptr %a1307
+  call void @finch_str_concat(ptr %a1305, ptr %a1306, ptr %a1307)
+  store { ptr, i64, i64 } %t1303, ptr %a1308
+  call void @finch_str_drop(ptr %a1308)
+  %t1309 = load { ptr, i64, i64 }, ptr %a1305
+  %t1310 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1293, { ptr, i64, i64 } %t1309)
+  store { ptr, i64, i64 } %t1309, ptr %a1311
+  call void @finch_str_drop(ptr %a1311)
+  store { ptr, i64, i64 } %t1310, ptr %a1312
+  %t1313 = load ptr, ptr %a1
+  %t1314 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1313, { ptr, i64, i64 } { ptr @.str.5630, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t1314, ptr %a1315
+  %t1316 = load ptr, ptr %a1
+  %t1317 = load { ptr, i64, i64 }, ptr %a1315
+  store { ptr, i64, i64 } { ptr @.str.5631, i64 30, i64 0 }, ptr %a1319
+  store { ptr, i64, i64 } %t1317, ptr %a1320
+  call void @finch_str_concat(ptr %a1318, ptr %a1319, ptr %a1320)
+  %t1321 = load { ptr, i64, i64 }, ptr %a1318
+  store { ptr, i64, i64 } %t1321, ptr %a1323
+  store { ptr, i64, i64 } { ptr @.str.5632, i64 6, i64 0 }, ptr %a1324
+  call void @finch_str_concat(ptr %a1322, ptr %a1323, ptr %a1324)
+  store { ptr, i64, i64 } %t1321, ptr %a1325
+  call void @finch_str_drop(ptr %a1325)
+  %t1326 = load { ptr, i64, i64 }, ptr %a1322
+  %t1327 = load { ptr, i64, i64 }, ptr %a1312
+  store { ptr, i64, i64 } %t1326, ptr %a1329
+  store { ptr, i64, i64 } %t1327, ptr %a1330
+  call void @finch_str_concat(ptr %a1328, ptr %a1329, ptr %a1330)
+  store { ptr, i64, i64 } %t1326, ptr %a1331
+  call void @finch_str_drop(ptr %a1331)
+  %t1332 = load { ptr, i64, i64 }, ptr %a1328
+  store { ptr, i64, i64 } %t1332, ptr %a1334
+  store { ptr, i64, i64 } { ptr @.str.5633, i64 6, i64 0 }, ptr %a1335
+  call void @finch_str_concat(ptr %a1333, ptr %a1334, ptr %a1335)
+  store { ptr, i64, i64 } %t1332, ptr %a1336
+  call void @finch_str_drop(ptr %a1336)
+  %t1337 = load { ptr, i64, i64 }, ptr %a1333
+  %t1338 = load ptr, ptr %a1
+  %t1339 = load %S.ast.Type, ptr %a15
+  %t1340 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1338, %S.ast.Type %t1339)
+  store { ptr, i64, i64 } %t1337, ptr %a1342
+  store { ptr, i64, i64 } %t1340, ptr %a1343
+  call void @finch_str_concat(ptr %a1341, ptr %a1342, ptr %a1343)
+  store { ptr, i64, i64 } %t1337, ptr %a1344
+  call void @finch_str_drop(ptr %a1344)
+  store { ptr, i64, i64 } %t1340, ptr %a1345
+  call void @finch_str_drop(ptr %a1345)
+  %t1346 = load { ptr, i64, i64 }, ptr %a1341
+  store { ptr, i64, i64 } %t1346, ptr %a1348
+  store { ptr, i64, i64 } { ptr @.str.5634, i64 1, i64 0 }, ptr %a1349
+  call void @finch_str_concat(ptr %a1347, ptr %a1348, ptr %a1349)
+  store { ptr, i64, i64 } %t1346, ptr %a1350
+  call void @finch_str_drop(ptr %a1350)
+  %t1351 = load { ptr, i64, i64 }, ptr %a1347
+  call void @finch.gen.emit(ptr %t1316, { ptr, i64, i64 } %t1351)
+  store { ptr, i64, i64 } %t1351, ptr %a1352
+  call void @finch_str_drop(ptr %a1352)
+  %t1353 = load ptr, ptr %a1
+  %t1354 = load { ptr, i64, i64 }, ptr %a3
+  %t1355 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1353, { ptr, i64, i64 } { ptr @.str.5635, i64 3, i64 0 }, { ptr, i64, i64 } %t1354)
+  store { ptr, i64, i64 } %t1355, ptr %a1356
+  %t1357 = load ptr, ptr %a1
+  %t1358 = load { ptr, i64, i64 }, ptr %a1315
+  %t1359 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1357, { ptr, i64, i64 } { ptr @.str.5636, i64 3, i64 0 }, { ptr, i64, i64 } %t1358)
+  store { ptr, i64, i64 } %t1359, ptr %a1360
+  %t1361 = load ptr, ptr %a1
+  %t1362 = load { ptr, i64, i64 }, ptr %a1312
+  %t1363 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t1361, { ptr, i64, i64 } %t1362)
+  store { ptr, i64, i64 } %t1363, ptr %a1364
+  %t1365 = load ptr, ptr %a1
+  %t1366 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5637, i64 23, i64 0 }, ptr %a1368
   store { ptr, i64, i64 } %t1366, ptr %a1369
   call void @finch_str_concat(ptr %a1367, ptr %a1368, ptr %a1369)
   %t1370 = load { ptr, i64, i64 }, ptr %a1367
   store { ptr, i64, i64 } %t1370, ptr %a1372
-  store { ptr, i64, i64 } { ptr @.str.5468, i64 96, i64 0 }, ptr %a1373
+  store { ptr, i64, i64 } { ptr @.str.5638, i64 6, i64 0 }, ptr %a1373
   call void @finch_str_concat(ptr %a1371, ptr %a1372, ptr %a1373)
-  %t1374 = load { ptr, i64, i64 }, ptr %a1371
-  call void @finch.gen.fail(ptr %t1364, %S.ast.Node %t1365, { ptr, i64, i64 } %t1374)
+  store { ptr, i64, i64 } %t1370, ptr %a1374
+  call void @finch_str_drop(ptr %a1374)
+  %t1375 = load { ptr, i64, i64 }, ptr %a1371
+  %t1376 = load { ptr, i64, i64 }, ptr %a1360
+  store { ptr, i64, i64 } %t1375, ptr %a1378
+  store { ptr, i64, i64 } %t1376, ptr %a1379
+  call void @finch_str_concat(ptr %a1377, ptr %a1378, ptr %a1379)
+  store { ptr, i64, i64 } %t1375, ptr %a1380
+  call void @finch_str_drop(ptr %a1380)
+  %t1381 = load { ptr, i64, i64 }, ptr %a1377
+  store { ptr, i64, i64 } %t1381, ptr %a1383
+  store { ptr, i64, i64 } { ptr @.str.5639, i64 6, i64 0 }, ptr %a1384
+  call void @finch_str_concat(ptr %a1382, ptr %a1383, ptr %a1384)
+  store { ptr, i64, i64 } %t1381, ptr %a1385
+  call void @finch_str_drop(ptr %a1385)
+  %t1386 = load { ptr, i64, i64 }, ptr %a1382
+  %t1387 = load { ptr, i64, i64 }, ptr %a1364
+  %t1388 = extractvalue { ptr, i64, i64 } %t1387, 1
+  %t1389 = icmp uge i64 3, %t1388
+  br i1 %t1389, label %range8542, label %inrange8543
+range8542:
+  call void @finch_panic_index(ptr @.str.5640, i64 5306, i64 3, i64 %t1388)
+  unreachable
+inrange8543:
+  %t1390 = extractvalue { ptr, i64, i64 } %t1387, 0
+  %t1391 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1390, i64 3
+  %t1392 = load { ptr, i64, i64 }, ptr %t1391
+  store { ptr, i64, i64 } %t1386, ptr %a1394
+  store { ptr, i64, i64 } %t1392, ptr %a1395
+  call void @finch_str_concat(ptr %a1393, ptr %a1394, ptr %a1395)
+  store { ptr, i64, i64 } %t1386, ptr %a1396
+  call void @finch_str_drop(ptr %a1396)
+  %t1397 = load { ptr, i64, i64 }, ptr %a1393
+  %t1398 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1365, { ptr, i64, i64 } %t1397)
+  store { ptr, i64, i64 } %t1397, ptr %a1399
+  call void @finch_str_drop(ptr %a1399)
+  store { ptr, i64, i64 } %t1398, ptr %a1400
+  %t1401 = load ptr, ptr %a1
+  %t1402 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5641, i64 23, i64 0 }, ptr %a1404
+  store { ptr, i64, i64 } %t1402, ptr %a1405
+  call void @finch_str_concat(ptr %a1403, ptr %a1404, ptr %a1405)
+  %t1406 = load { ptr, i64, i64 }, ptr %a1403
+  store { ptr, i64, i64 } %t1406, ptr %a1408
+  store { ptr, i64, i64 } { ptr @.str.5642, i64 6, i64 0 }, ptr %a1409
+  call void @finch_str_concat(ptr %a1407, ptr %a1408, ptr %a1409)
+  store { ptr, i64, i64 } %t1406, ptr %a1410
+  call void @finch_str_drop(ptr %a1410)
+  %t1411 = load { ptr, i64, i64 }, ptr %a1407
+  %t1412 = load { ptr, i64, i64 }, ptr %a1356
+  store { ptr, i64, i64 } %t1411, ptr %a1414
+  store { ptr, i64, i64 } %t1412, ptr %a1415
+  call void @finch_str_concat(ptr %a1413, ptr %a1414, ptr %a1415)
+  store { ptr, i64, i64 } %t1411, ptr %a1416
+  call void @finch_str_drop(ptr %a1416)
+  %t1417 = load { ptr, i64, i64 }, ptr %a1413
+  store { ptr, i64, i64 } %t1417, ptr %a1419
+  store { ptr, i64, i64 } { ptr @.str.5643, i64 6, i64 0 }, ptr %a1420
+  call void @finch_str_concat(ptr %a1418, ptr %a1419, ptr %a1420)
+  store { ptr, i64, i64 } %t1417, ptr %a1421
+  call void @finch_str_drop(ptr %a1421)
+  %t1422 = load { ptr, i64, i64 }, ptr %a1418
+  %t1423 = load ptr, ptr %a1
+  %t1424 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } { ptr @.str.5644, i64 8, i64 0 }, ptr %a1426
+  store { ptr, i64, i64 } %t1424, ptr %a1427
+  call void @finch_str_concat(ptr %a1425, ptr %a1426, ptr %a1427)
+  %t1428 = load { ptr, i64, i64 }, ptr %a1425
+  store { ptr, i64, i64 } %t1428, ptr %a1430
+  store { ptr, i64, i64 } { ptr @.str.5645, i64 2, i64 0 }, ptr %a1431
+  call void @finch_str_concat(ptr %a1429, ptr %a1430, ptr %a1431)
+  store { ptr, i64, i64 } %t1428, ptr %a1432
+  call void @finch_str_drop(ptr %a1432)
+  %t1433 = load { ptr, i64, i64 }, ptr %a1429
+  %t1434 = load { ptr, i64, i64 }, ptr %a1364
+  %t1435 = extractvalue { ptr, i64, i64 } %t1434, 1
+  %t1436 = icmp uge i64 3, %t1435
+  br i1 %t1436, label %range8544, label %inrange8545
+range8544:
+  call void @finch_panic_index(ptr @.str.5646, i64 5307, i64 3, i64 %t1435)
+  unreachable
+inrange8545:
+  %t1437 = extractvalue { ptr, i64, i64 } %t1434, 0
+  %t1438 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1437, i64 3
+  %t1439 = load { ptr, i64, i64 }, ptr %t1438
+  store { ptr, i64, i64 } %t1433, ptr %a1441
+  store { ptr, i64, i64 } %t1439, ptr %a1442
+  call void @finch_str_concat(ptr %a1440, ptr %a1441, ptr %a1442)
+  store { ptr, i64, i64 } %t1433, ptr %a1443
+  call void @finch_str_drop(ptr %a1443)
+  %t1444 = load { ptr, i64, i64 }, ptr %a1440
+  %t1445 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1423, { ptr, i64, i64 } %t1444)
+  store { ptr, i64, i64 } %t1444, ptr %a1446
+  call void @finch_str_drop(ptr %a1446)
+  store { ptr, i64, i64 } %t1422, ptr %a1448
+  store { ptr, i64, i64 } %t1445, ptr %a1449
+  call void @finch_str_concat(ptr %a1447, ptr %a1448, ptr %a1449)
+  store { ptr, i64, i64 } %t1422, ptr %a1450
+  call void @finch_str_drop(ptr %a1450)
+  store { ptr, i64, i64 } %t1445, ptr %a1451
+  call void @finch_str_drop(ptr %a1451)
+  %t1452 = load { ptr, i64, i64 }, ptr %a1447
+  %t1453 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1401, { ptr, i64, i64 } %t1452)
+  store { ptr, i64, i64 } %t1452, ptr %a1454
+  call void @finch_str_drop(ptr %a1454)
+  store { ptr, i64, i64 } %t1453, ptr %a1455
+  %t1456 = load ptr, ptr %a1
+  %t1457 = load { ptr, i64, i64 }, ptr %a1400
+  %t1458 = load { ptr, i64, i64 }, ptr %a1455
+  %t1459 = load %S.ast.Type, ptr %a15
+  call void @finch.gen.copyAt(ptr %t1456, { ptr, i64, i64 } %t1457, { ptr, i64, i64 } %t1458, %S.ast.Type %t1459)
+  %t1460 = load ptr, ptr %a1
+  %t1461 = load { ptr, i64, i64 }, ptr %a1364
+  call void @finch.gen.loopEnd(ptr %t1460, { ptr, i64, i64 } %t1461)
+  %t1462 = load ptr, ptr %a1
+  %t1463 = load { ptr, i64, i64 }, ptr %a1315
+  %t1464 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1462, { ptr, i64, i64 } { ptr @.str.5647, i64 17, i64 0 }, { ptr, i64, i64 } %t1463)
+  %t1465 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1464, 0
+  %t1466 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t1466, ptr %a1467
+  call void @finch.copy.S_ast_Type(ptr %a1468, ptr %a1467)
+  %t1469 = load %S.ast.Type, ptr %a1468
+  %t1470 = insertvalue %S.gen.Val %t1465, %S.ast.Type %t1469, 1
+  %t1471 = insertvalue %S.gen.Val %t1470, i1 true, 2
+  call void @finch_str_drop(ptr %a1455)
+  call void @finch_str_drop(ptr %a1400)
+  call void @finch.drop.arr_str(ptr %a1364)
+  call void @finch_str_drop(ptr %a1360)
+  call void @finch_str_drop(ptr %a1356)
+  call void @finch_str_drop(ptr %a1315)
+  call void @finch_str_drop(ptr %a1312)
+  call void @finch_str_drop(ptr %a1251)
+  call void @finch_str_drop(ptr %a1231)
+  call void @finch_str_drop(ptr %a1211)
+  call void @finch_str_drop(ptr %a1197)
+  call void @finch_str_drop(ptr %a1193)
+  call void @finch_str_drop(ptr %a1166)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t1471
+endif8533:
+  %t1472 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t1472, ptr %a1473
+  store { ptr, i64, i64 } { ptr @.str.5648, i64 4, i64 0 }, ptr %a1474
+  %t1475 = call i32 @finch_str_eq(ptr %a1473, ptr %a1474)
+  %t1476 = icmp ne i32 %t1475, 0
+  br i1 %t1476, label %then8546, label %endif8548
+then8546:
+  %t1477 = load ptr, ptr %a1
+  %t1478 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t1477, %S.ast.Node %t1478, i64 0)
+  %t1479 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
+  %t1480 = load { ptr, i64, i64 }, ptr %t1479
+  store { ptr, i64, i64 } %t1480, ptr %a1481
+  call void @finch_str_copy(ptr %a1482, ptr %a1481)
+  %t1483 = load { ptr, i64, i64 }, ptr %a1482
+  store { ptr, i64, i64 } %t1483, ptr %a1484
+  %t1485 = load %S.ast.Type, ptr %a15
+  %t1486 = call i1 @finch.gen.isNumber(%S.ast.Type %t1485)
+  %t1487 = xor i1 %t1486, true
+  br label %logic.from8549
+logic.from8549:
+  br i1 %t1487, label %logic.rhs8550, label %logic.end8551
+logic.rhs8550:
+  %t1488 = load { ptr, i64, i64 }, ptr %a1484
+  store { ptr, i64, i64 } %t1488, ptr %a1489
+  store { ptr, i64, i64 } { ptr @.str.5649, i64 4, i64 0 }, ptr %a1490
+  %t1491 = call i32 @finch_str_eq(ptr %a1489, ptr %a1490)
+  %t1492 = icmp eq i32 %t1491, 0
+  br label %logic.rend8552
+logic.rend8552:
+  br label %logic.end8551
+logic.end8551:
+  %t1493 = phi i1 [ false, %logic.from8549 ], [ %t1492, %logic.rend8552 ]
+  br label %logic.from8553
+logic.from8553:
+  br i1 %t1493, label %logic.rhs8554, label %logic.end8555
+logic.rhs8554:
+  %t1494 = load { ptr, i64, i64 }, ptr %a1484
+  store { ptr, i64, i64 } %t1494, ptr %a1495
+  store { ptr, i64, i64 } { ptr @.str.5650, i64 3, i64 0 }, ptr %a1496
+  %t1497 = call i32 @finch_str_eq(ptr %a1495, ptr %a1496)
+  %t1498 = icmp eq i32 %t1497, 0
+  br label %logic.rend8556
+logic.rend8556:
+  br label %logic.end8555
+logic.end8555:
+  %t1499 = phi i1 [ false, %logic.from8553 ], [ %t1498, %logic.rend8556 ]
+  br i1 %t1499, label %then8557, label %endif8559
+then8557:
+  %t1500 = load ptr, ptr %a1
+  %t1501 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t1500, %S.ast.Node %t1501, { ptr, i64, i64 } { ptr @.str.5651, i64 47, i64 0 })
+  br label %endif8559
+endif8559:
+  %t1502 = load ptr, ptr %a1
+  %t1503 = load %S.ast.Type, ptr %a15
+  %t1504 = call { ptr, i64, i64 } @finch.gen.cmpFn(ptr %t1502, %S.ast.Type %t1503)
+  store { ptr, i64, i64 } %t1504, ptr %a1505
+  %t1506 = load ptr, ptr %a1
+  %t1507 = load { ptr, i64, i64 }, ptr %a39
+  %t1508 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1506, { ptr, i64, i64 } { ptr @.str.5652, i64 3, i64 0 }, { ptr, i64, i64 } %t1507)
+  store { ptr, i64, i64 } %t1508, ptr %a1509
+  %t1510 = load ptr, ptr %a1
+  %t1511 = load { ptr, i64, i64 }, ptr %a3
+  %t1512 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1510, { ptr, i64, i64 } { ptr @.str.5653, i64 3, i64 0 }, { ptr, i64, i64 } %t1511)
+  store { ptr, i64, i64 } %t1512, ptr %a1513
+  %t1514 = load ptr, ptr %a1
+  %t1515 = load { ptr, i64, i64 }, ptr %a1513
+  store { ptr, i64, i64 } { ptr @.str.5654, i64 21, i64 0 }, ptr %a1517
+  store { ptr, i64, i64 } %t1515, ptr %a1518
+  call void @finch_str_concat(ptr %a1516, ptr %a1517, ptr %a1518)
+  %t1519 = load { ptr, i64, i64 }, ptr %a1516
+  store { ptr, i64, i64 } %t1519, ptr %a1521
+  store { ptr, i64, i64 } { ptr @.str.5655, i64 6, i64 0 }, ptr %a1522
+  call void @finch_str_concat(ptr %a1520, ptr %a1521, ptr %a1522)
+  store { ptr, i64, i64 } %t1519, ptr %a1523
+  call void @finch_str_drop(ptr %a1523)
+  %t1524 = load { ptr, i64, i64 }, ptr %a1520
+  %t1525 = load { ptr, i64, i64 }, ptr %a1509
+  store { ptr, i64, i64 } %t1524, ptr %a1527
+  store { ptr, i64, i64 } %t1525, ptr %a1528
+  call void @finch_str_concat(ptr %a1526, ptr %a1527, ptr %a1528)
+  store { ptr, i64, i64 } %t1524, ptr %a1529
+  call void @finch_str_drop(ptr %a1529)
+  %t1530 = load { ptr, i64, i64 }, ptr %a1526
+  store { ptr, i64, i64 } %t1530, ptr %a1532
+  store { ptr, i64, i64 } { ptr @.str.5656, i64 6, i64 0 }, ptr %a1533
+  call void @finch_str_concat(ptr %a1531, ptr %a1532, ptr %a1533)
+  store { ptr, i64, i64 } %t1530, ptr %a1534
+  call void @finch_str_drop(ptr %a1534)
+  %t1535 = load { ptr, i64, i64 }, ptr %a1531
+  %t1536 = load ptr, ptr %a1
+  %t1537 = load %S.ast.Type, ptr %a15
+  %t1538 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1536, %S.ast.Type %t1537)
+  store { ptr, i64, i64 } %t1535, ptr %a1540
+  store { ptr, i64, i64 } %t1538, ptr %a1541
+  call void @finch_str_concat(ptr %a1539, ptr %a1540, ptr %a1541)
+  store { ptr, i64, i64 } %t1535, ptr %a1542
+  call void @finch_str_drop(ptr %a1542)
+  store { ptr, i64, i64 } %t1538, ptr %a1543
+  call void @finch_str_drop(ptr %a1543)
+  %t1544 = load { ptr, i64, i64 }, ptr %a1539
+  store { ptr, i64, i64 } %t1544, ptr %a1546
+  store { ptr, i64, i64 } { ptr @.str.5657, i64 6, i64 0 }, ptr %a1547
+  call void @finch_str_concat(ptr %a1545, ptr %a1546, ptr %a1547)
+  store { ptr, i64, i64 } %t1544, ptr %a1548
+  call void @finch_str_drop(ptr %a1548)
+  %t1549 = load { ptr, i64, i64 }, ptr %a1545
+  %t1550 = load { ptr, i64, i64 }, ptr %a1505
+  store { ptr, i64, i64 } %t1549, ptr %a1552
+  store { ptr, i64, i64 } %t1550, ptr %a1553
+  call void @finch_str_concat(ptr %a1551, ptr %a1552, ptr %a1553)
+  store { ptr, i64, i64 } %t1549, ptr %a1554
+  call void @finch_str_drop(ptr %a1554)
+  %t1555 = load { ptr, i64, i64 }, ptr %a1551
+  store { ptr, i64, i64 } %t1555, ptr %a1557
+  store { ptr, i64, i64 } { ptr @.str.5658, i64 1, i64 0 }, ptr %a1558
+  call void @finch_str_concat(ptr %a1556, ptr %a1557, ptr %a1558)
+  store { ptr, i64, i64 } %t1555, ptr %a1559
+  call void @finch_str_drop(ptr %a1559)
+  %t1560 = load { ptr, i64, i64 }, ptr %a1556
+  call void @finch.gen.emit(ptr %t1514, { ptr, i64, i64 } %t1560)
+  store { ptr, i64, i64 } %t1560, ptr %a1561
+  call void @finch_str_drop(ptr %a1561)
+  %t1562 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5659, i64 4, i64 0 })
+  %t1563 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1562, 1
+  call void @finch_str_drop(ptr %a1513)
+  call void @finch_str_drop(ptr %a1509)
+  call void @finch_str_drop(ptr %a1505)
+  call void @finch_str_drop(ptr %a1484)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t1563
+endif8548:
+  %t1564 = load ptr, ptr %a1
+  %t1565 = load %S.ast.Node, ptr %a2
+  %t1566 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.5660, i64 24, i64 0 }, ptr %a1568
+  store { ptr, i64, i64 } %t1566, ptr %a1569
+  call void @finch_str_concat(ptr %a1567, ptr %a1568, ptr %a1569)
+  %t1570 = load { ptr, i64, i64 }, ptr %a1567
+  store { ptr, i64, i64 } %t1570, ptr %a1572
+  store { ptr, i64, i64 } { ptr @.str.5661, i64 96, i64 0 }, ptr %a1573
+  call void @finch_str_concat(ptr %a1571, ptr %a1572, ptr %a1573)
+  store { ptr, i64, i64 } %t1570, ptr %a1574
+  call void @finch_str_drop(ptr %a1574)
+  %t1575 = load { ptr, i64, i64 }, ptr %a1571
+  call void @finch.gen.fail(ptr %t1564, %S.ast.Node %t1565, { ptr, i64, i64 } %t1575)
+  store { ptr, i64, i64 } %t1575, ptr %a1576
+  call void @finch_str_drop(ptr %a1576)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
   ret %S.gen.Val zeroinitializer
 }
 
+define internal void @finch.gen.dropFrom(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, { ptr, i64, i64 } %p3) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca %S.ast.Type, align 16
+  %a13 = alloca %S.ast.Type, align 16
+  %a15 = alloca %S.ast.Type, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  store { ptr, i64, i64 } %p3, ptr %a4
+  %t5 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t6 = load { ptr, i64, i64 }, ptr %t5
+  %t7 = extractvalue { ptr, i64, i64 } %t6, 1
+  %t8 = icmp uge i64 0, %t7
+  br i1 %t8, label %range8560, label %inrange8561
+range8560:
+  call void @finch_panic_index(ptr @.str.5662, i64 5330, i64 0, i64 %t7)
+  unreachable
+inrange8561:
+  %t9 = extractvalue { ptr, i64, i64 } %t6, 0
+  %t10 = getelementptr inbounds %S.ast.Type, ptr %t9, i64 0
+  %t11 = load %S.ast.Type, ptr %t10
+  store %S.ast.Type %t11, ptr %a12
+  call void @finch.copy.S_ast_Type(ptr %a13, ptr %a12)
+  %t14 = load %S.ast.Type, ptr %a13
+  store %S.ast.Type %t14, ptr %a15
+  %t16 = load ptr, ptr %a1
+  %t17 = load %S.ast.Type, ptr %a15
+  %t18 = call i1 @finch.gen.owning(ptr %t16, %S.ast.Type %t17)
+  %t19 = xor i1 %t18, true
+  br i1 %t19, label %then8562, label %endif8564
+then8562:
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret void
+endif8564:
+  %t20 = load ptr, ptr %a1
+  %t21 = load %S.ast.Type, ptr %a15
+  %t22 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t20, %S.ast.Type %t21)
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = load ptr, ptr %a1
+  %t25 = load ptr, ptr %a1
+  %t26 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.5664, i64 46, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } %t26, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.5665, i64 14, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  %t36 = call { ptr, i64, i64 } @finch.gen.op(ptr %t25, { ptr, i64, i64 } %t35)
+  store { ptr, i64, i64 } %t35, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = call { ptr, i64, i64 } @finch.gen.load(ptr %t24, { ptr, i64, i64 } { ptr @.str.5663, i64 3, i64 0 }, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t36, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  %t41 = load ptr, ptr %a1
+  %t42 = load { ptr, i64, i64 }, ptr %a2
+  %t43 = call { ptr, i64, i64 } @finch.gen.load(ptr %t41, { ptr, i64, i64 } { ptr @.str.5666, i64 3, i64 0 }, { ptr, i64, i64 } %t42)
+  store { ptr, i64, i64 } %t43, ptr %a44
+  %t45 = load ptr, ptr %a1
+  %t46 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.5667, i64 13, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.5668, i64 2, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = call { ptr, i64, i64 } @finch.gen.op(ptr %t45, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t61, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  store { ptr, i64, i64 } %t62, ptr %a64
+  %t65 = load ptr, ptr %a1
+  %t66 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.5669, i64 13, i64 0 }, ptr %a68
+  store { ptr, i64, i64 } %t66, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t70, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.5670, i64 3, i64 0 }, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t70, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  %t76 = call { ptr, i64, i64 } @finch.gen.op(ptr %t65, { ptr, i64, i64 } %t75)
+  store { ptr, i64, i64 } %t75, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  store { ptr, i64, i64 } %t76, ptr %a78
+  %t79 = load ptr, ptr %a1
+  %t80 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.5671, i64 10, i64 0 }, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t84, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.5672, i64 6, i64 0 }, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  %t90 = load ptr, ptr %a1
+  %t91 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.5673, i64 10, i64 0 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.5674, i64 13, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  %t101 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t100, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t100, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  %t107 = call { ptr, i64, i64 } @finch.gen.op(ptr %t90, { ptr, i64, i64 } %t106)
+  store { ptr, i64, i64 } %t106, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  store { ptr, i64, i64 } %t89, ptr %a110
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t89, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  store { ptr, i64, i64 } %t107, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.5675, i64 6, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t119, ptr %a122
+  store { ptr, i64, i64 } %t120, ptr %a123
+  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
+  store { ptr, i64, i64 } %t119, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  %t126 = call { ptr, i64, i64 } @finch.gen.op(ptr %t79, { ptr, i64, i64 } %t125)
+  store { ptr, i64, i64 } %t125, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  store { ptr, i64, i64 } %t126, ptr %a128
+  %t129 = load ptr, ptr %a1
+  %t130 = load ptr, ptr %a1
+  %t131 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.5676, i64 8, i64 0 }, ptr %a133
+  store { ptr, i64, i64 } %t131, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t135, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.5677, i64 2, i64 0 }, ptr %a138
+  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
+  store { ptr, i64, i64 } %t135, ptr %a139
+  call void @finch_str_drop(ptr %a139)
+  %t140 = load { ptr, i64, i64 }, ptr %a136
+  %t141 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t140, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t140, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  %t147 = call { ptr, i64, i64 } @finch.gen.op(ptr %t130, { ptr, i64, i64 } %t146)
+  store { ptr, i64, i64 } %t146, ptr %a148
+  call void @finch_str_drop(ptr %a148)
+  %t149 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t129, { ptr, i64, i64 } %t147)
+  store { ptr, i64, i64 } %t147, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  store { ptr, i64, i64 } %t149, ptr %a151
+  %t152 = load ptr, ptr %a1
+  %t153 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.5678, i64 23, i64 0 }, ptr %a155
+  store { ptr, i64, i64 } %t153, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a154
+  store { ptr, i64, i64 } %t157, ptr %a159
+  store { ptr, i64, i64 } { ptr @.str.5679, i64 6, i64 0 }, ptr %a160
+  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
+  store { ptr, i64, i64 } %t157, ptr %a161
+  call void @finch_str_drop(ptr %a161)
+  %t162 = load { ptr, i64, i64 }, ptr %a158
+  %t163 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t162, ptr %a165
+  store { ptr, i64, i64 } %t163, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t162, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  store { ptr, i64, i64 } %t168, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.5680, i64 6, i64 0 }, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t168, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  %t174 = load ptr, ptr %a1
+  %t175 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.5681, i64 8, i64 0 }, ptr %a177
+  store { ptr, i64, i64 } %t175, ptr %a178
+  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a176
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.5682, i64 2, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  store { ptr, i64, i64 } %t179, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a180
+  %t185 = load { ptr, i64, i64 }, ptr %a151
+  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
+  %t187 = icmp uge i64 3, %t186
+  br i1 %t187, label %range8565, label %inrange8566
+range8565:
+  call void @finch_panic_index(ptr @.str.5683, i64 5341, i64 3, i64 %t186)
+  unreachable
+inrange8566:
+  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 3
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  store { ptr, i64, i64 } %t184, ptr %a192
+  store { ptr, i64, i64 } %t190, ptr %a193
+  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
+  store { ptr, i64, i64 } %t184, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  %t195 = load { ptr, i64, i64 }, ptr %a191
+  %t196 = call { ptr, i64, i64 } @finch.gen.op(ptr %t174, { ptr, i64, i64 } %t195)
+  store { ptr, i64, i64 } %t195, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  store { ptr, i64, i64 } %t173, ptr %a199
+  store { ptr, i64, i64 } %t196, ptr %a200
+  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
+  store { ptr, i64, i64 } %t173, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  store { ptr, i64, i64 } %t196, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a198
+  %t204 = call { ptr, i64, i64 } @finch.gen.op(ptr %t152, { ptr, i64, i64 } %t203)
+  store { ptr, i64, i64 } %t203, ptr %a205
+  call void @finch_str_drop(ptr %a205)
+  store { ptr, i64, i64 } %t204, ptr %a206
+  %t207 = load ptr, ptr %a1
+  %t208 = load { ptr, i64, i64 }, ptr %a206
+  %t209 = load %S.ast.Type, ptr %a15
+  call void @finch.gen.dropAt(ptr %t207, { ptr, i64, i64 } %t208, %S.ast.Type %t209)
+  %t210 = load ptr, ptr %a1
+  %t211 = load { ptr, i64, i64 }, ptr %a151
+  call void @finch.gen.loopEnd(ptr %t210, { ptr, i64, i64 } %t211)
+  call void @finch_str_drop(ptr %a206)
+  call void @finch.drop.arr_str(ptr %a151)
+  call void @finch_str_drop(ptr %a128)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a64)
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a40)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.gen.cmpFn(ptr %p0, %S.ast.Type %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -74107,47 +89028,49 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca %S.gen.Saved, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
@@ -74155,371 +89078,514 @@ entry:
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
   %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a216 = alloca { ptr, i64, i64 }, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load %S.ast.Type, ptr %a2
   %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
-  store { ptr, i64, i64 } { ptr @.str.5469, i64 11, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.5684, i64 11, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
-  %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic8103, label %ok8104
-panic8103:
-  call void @finch_panic(ptr @.str.5470, i64 4936, ptr @.str.5471)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic8567, label %ok8568
+panic8567:
+  call void @finch_panic(ptr @.str.5685, i64 5349, ptr @.str.5686)
   unreachable
-ok8104:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 21
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  %t14 = load { ptr, i64, i64 }, ptr %a9
-  %t15 = call i1 @finch.gen.has({ ptr, i64, i64 } %t13, { ptr, i64, i64 } %t14)
-  br i1 %t15, label %then8105, label %endif8107
-then8105:
-  %t16 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  ret { ptr, i64, i64 } %t19
-endif8107:
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic8108, label %ok8109
-panic8108:
-  call void @finch_panic(ptr @.str.5472, i64 4939, ptr @.str.5473)
+ok8568:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then8569, label %endif8571
+then8569:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif8571:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic8572, label %ok8573
+panic8572:
+  call void @finch_panic(ptr @.str.5687, i64 5352, ptr @.str.5688)
   unreachable
-ok8109:
-  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 21
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  %t28 = load i64, ptr %t23
-  %t29 = add i64 %t28, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t30 = load ptr, ptr %t22
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
-  store { ptr, i64, i64 } %t27, ptr %t31
-  store i64 %t29, ptr %t23
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t32)
-  store %S.gen.Saved %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.5474, i64 0, i64 0 }, ptr %a35
-  %t36 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t37 = load { ptr, i64, i64 }, ptr %t36
-  store { ptr, i64, i64 } %t37, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.5475, i64 3, i64 0 }, ptr %a39
-  %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
-  %t41 = icmp ne i32 %t40, 0
-  br i1 %t41, label %then8110, label %else8111
-then8110:
-  %t42 = load ptr, ptr %a1
-  %t43 = call { ptr, i64, i64 } @finch.gen.op(ptr %t42, { ptr, i64, i64 } { ptr @.str.5476, i64 39, i64 0 })
-  store { ptr, i64, i64 } %t43, ptr %a44
-  %t45 = load ptr, ptr %a1
-  %t46 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.5477, i64 10, i64 0 }, ptr %a48
-  store { ptr, i64, i64 } %t46, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t50, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.5478, i64 7, i64 0 }, ptr %a53
-  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
-  %t54 = load { ptr, i64, i64 }, ptr %a51
-  %t55 = call { ptr, i64, i64 } @finch.gen.op(ptr %t45, { ptr, i64, i64 } %t54)
-  store { ptr, i64, i64 } %t55, ptr %a35
-  br label %endif8112
-else8111:
-  %t56 = load ptr, ptr %a1
-  %t57 = load %S.ast.Type, ptr %a2
-  %t58 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t56, %S.ast.Type %t57)
-  store { ptr, i64, i64 } %t58, ptr %a59
-  %t60 = load ptr, ptr %a1
-  %t61 = load { ptr, i64, i64 }, ptr %a59
-  %t62 = call { ptr, i64, i64 } @finch.gen.load(ptr %t60, { ptr, i64, i64 } %t61, { ptr, i64, i64 } { ptr @.str.5479, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = load ptr, ptr %a1
-  %t65 = load { ptr, i64, i64 }, ptr %a59
-  %t66 = call { ptr, i64, i64 } @finch.gen.load(ptr %t64, { ptr, i64, i64 } %t65, { ptr, i64, i64 } { ptr @.str.5480, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.5481, i64 0, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.5482, i64 0, i64 0 }, ptr %a69
-  %t70 = load %S.ast.Type, ptr %a2
-  %t71 = call i1 @finch.gen.isFloat(%S.ast.Type %t70)
-  br i1 %t71, label %then8113, label %else8114
-then8113:
-  %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.5483, i64 9, i64 0 }, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.5484, i64 1, i64 0 }, ptr %a80
-  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
-  %t81 = load { ptr, i64, i64 }, ptr %a78
-  %t82 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t81, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.5485, i64 2, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t90, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  %t96 = call { ptr, i64, i64 } @finch.gen.op(ptr %t72, { ptr, i64, i64 } %t95)
-  store { ptr, i64, i64 } %t96, ptr %a68
-  %t97 = load ptr, ptr %a1
-  %t98 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.5486, i64 9, i64 0 }, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  store { ptr, i64, i64 } %t102, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.5487, i64 1, i64 0 }, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  %t107 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t106, ptr %a109
+ok8573:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.5689, i64 0, i64 0 }, ptr %a33
+  %t34 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.5690, i64 3, i64 0 }, ptr %a37
+  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
+  %t39 = icmp ne i32 %t38, 0
+  br i1 %t39, label %then8574, label %else8575
+then8574:
+  %t40 = load ptr, ptr %a1
+  %t41 = call { ptr, i64, i64 } @finch.gen.op(ptr %t40, { ptr, i64, i64 } { ptr @.str.5691, i64 39, i64 0 })
+  store { ptr, i64, i64 } %t41, ptr %a42
+  %t43 = load ptr, ptr %a1
+  %t44 = load { ptr, i64, i64 }, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.5692, i64 10, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } %t44, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t48, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.5693, i64 7, i64 0 }, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  %t54 = call { ptr, i64, i64 } @finch.gen.op(ptr %t43, { ptr, i64, i64 } %t53)
+  store { ptr, i64, i64 } %t53, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t54, ptr %a33
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  call void @finch_str_drop(ptr %a42)
+  br label %endif8576
+else8575:
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Type, ptr %a2
+  %t60 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t58, %S.ast.Type %t59)
+  store { ptr, i64, i64 } %t60, ptr %a61
+  %t62 = load ptr, ptr %a1
+  %t63 = load { ptr, i64, i64 }, ptr %a61
+  %t64 = call { ptr, i64, i64 } @finch.gen.load(ptr %t62, { ptr, i64, i64 } %t63, { ptr, i64, i64 } { ptr @.str.5694, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = load ptr, ptr %a1
+  %t67 = load { ptr, i64, i64 }, ptr %a61
+  %t68 = call { ptr, i64, i64 } @finch.gen.load(ptr %t66, { ptr, i64, i64 } %t67, { ptr, i64, i64 } { ptr @.str.5695, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t68, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.5696, i64 0, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.5697, i64 0, i64 0 }, ptr %a71
+  %t72 = load %S.ast.Type, ptr %a2
+  %t73 = call i1 @finch.gen.isFloat(%S.ast.Type %t72)
+  br i1 %t73, label %then8577, label %else8578
+then8577:
+  %t74 = load ptr, ptr %a1
+  %t75 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.5698, i64 9, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.5699, i64 1, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  %t85 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t84, ptr %a87
+  store { ptr, i64, i64 } %t85, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t84, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } %t90, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.5700, i64 2, i64 0 }, ptr %a93
+  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
+  store { ptr, i64, i64 } %t90, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a91
+  %t96 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t95, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  store { ptr, i64, i64 } %t95, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a97
+  %t102 = call { ptr, i64, i64 } @finch.gen.op(ptr %t74, { ptr, i64, i64 } %t101)
+  store { ptr, i64, i64 } %t101, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t102, ptr %a70
+  store { ptr, i64, i64 } %t104, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load ptr, ptr %a1
+  %t107 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.5701, i64 9, i64 0 }, ptr %a109
   store { ptr, i64, i64 } %t107, ptr %a110
   call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
   %t111 = load { ptr, i64, i64 }, ptr %a108
   store { ptr, i64, i64 } %t111, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.5488, i64 2, i64 0 }, ptr %a114
+  store { ptr, i64, i64 } { ptr @.str.5702, i64 1, i64 0 }, ptr %a114
   call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  %t116 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t115, ptr %a118
+  store { ptr, i64, i64 } %t111, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a112
+  %t117 = load { ptr, i64, i64 }, ptr %a65
   store { ptr, i64, i64 } %t116, ptr %a119
-  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  %t121 = call { ptr, i64, i64 } @finch.gen.op(ptr %t97, { ptr, i64, i64 } %t120)
-  store { ptr, i64, i64 } %t121, ptr %a69
-  br label %endif8115
-else8114:
-  %t122 = load ptr, ptr %a1
-  %t123 = load %S.ast.Type, ptr %a2
-  %t124 = call i1 @finch.gen.isSigned(%S.ast.Type %t123)
-  %t125 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5490, i64 1, i64 0 }, i1 %t124)
-  store { ptr, i64, i64 } { ptr @.str.5489, i64 5, i64 0 }, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t129, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.5491, i64 1, i64 0 }, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  %t134 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t133, ptr %a136
-  store { ptr, i64, i64 } %t134, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.5492, i64 1, i64 0 }, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t142, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t147, ptr %a149
-  store { ptr, i64, i64 } { ptr @.str.5493, i64 2, i64 0 }, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  %t152 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t116, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t122, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.5703, i64 2, i64 0 }, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a123
+  %t128 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t127, ptr %a130
+  store { ptr, i64, i64 } %t128, ptr %a131
+  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
+  store { ptr, i64, i64 } %t127, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = load { ptr, i64, i64 }, ptr %a129
+  %t134 = call { ptr, i64, i64 } @finch.gen.op(ptr %t106, { ptr, i64, i64 } %t133)
+  store { ptr, i64, i64 } %t133, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } %t134, ptr %a71
+  store { ptr, i64, i64 } %t136, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  br label %endif8579
+else8578:
+  %t138 = load ptr, ptr %a1
+  %t139 = load %S.ast.Type, ptr %a2
+  %t140 = call i1 @finch.gen.isSigned(%S.ast.Type %t139)
+  %t141 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5705, i64 1, i64 0 }, i1 %t140)
+  store { ptr, i64, i64 } { ptr @.str.5704, i64 5, i64 0 }, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.5706, i64 1, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = load { ptr, i64, i64 }, ptr %a61
   store { ptr, i64, i64 } %t151, ptr %a154
   store { ptr, i64, i64 } %t152, ptr %a155
   call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  %t157 = call { ptr, i64, i64 } @finch.gen.op(ptr %t122, { ptr, i64, i64 } %t156)
-  store { ptr, i64, i64 } %t157, ptr %a68
-  %t158 = load ptr, ptr %a1
-  %t159 = load %S.ast.Type, ptr %a2
-  %t160 = call i1 @finch.gen.isSigned(%S.ast.Type %t159)
-  %t161 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5495, i64 1, i64 0 }, i1 %t160)
-  store { ptr, i64, i64 } { ptr @.str.5494, i64 5, i64 0 }, ptr %a163
-  store { ptr, i64, i64 } %t161, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t165, ptr %a167
-  store { ptr, i64, i64 } { ptr @.str.5496, i64 1, i64 0 }, ptr %a168
-  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
-  %t169 = load { ptr, i64, i64 }, ptr %a166
-  %t170 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t169, ptr %a172
-  store { ptr, i64, i64 } %t170, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  store { ptr, i64, i64 } %t174, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.5497, i64 1, i64 0 }, ptr %a177
+  store { ptr, i64, i64 } %t151, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  store { ptr, i64, i64 } %t157, ptr %a159
+  store { ptr, i64, i64 } { ptr @.str.5707, i64 1, i64 0 }, ptr %a160
+  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
+  store { ptr, i64, i64 } %t157, ptr %a161
+  call void @finch_str_drop(ptr %a161)
+  %t162 = load { ptr, i64, i64 }, ptr %a158
+  %t163 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t162, ptr %a165
+  store { ptr, i64, i64 } %t163, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t162, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  store { ptr, i64, i64 } %t168, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.5708, i64 2, i64 0 }, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t168, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  %t174 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t173, ptr %a176
+  store { ptr, i64, i64 } %t174, ptr %a177
   call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  %t179 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t178, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.5498, i64 2, i64 0 }, ptr %a186
-  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  %t188 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t173, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a175
+  %t180 = call { ptr, i64, i64 } @finch.gen.op(ptr %t138, { ptr, i64, i64 } %t179)
+  store { ptr, i64, i64 } %t179, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t180, ptr %a70
+  store { ptr, i64, i64 } %t182, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load ptr, ptr %a1
+  %t185 = load %S.ast.Type, ptr %a2
+  %t186 = call i1 @finch.gen.isSigned(%S.ast.Type %t185)
+  %t187 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5710, i64 1, i64 0 }, i1 %t186)
+  store { ptr, i64, i64 } { ptr @.str.5709, i64 5, i64 0 }, ptr %a189
   store { ptr, i64, i64 } %t187, ptr %a190
-  store { ptr, i64, i64 } %t188, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  %t193 = call { ptr, i64, i64 } @finch.gen.op(ptr %t158, { ptr, i64, i64 } %t192)
-  store { ptr, i64, i64 } %t193, ptr %a69
-  br label %endif8115
-endif8115:
-  %t194 = load ptr, ptr %a1
-  %t195 = load ptr, ptr %a1
-  %t196 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.5500, i64 8, i64 0 }, ptr %a198
-  store { ptr, i64, i64 } %t196, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  store { ptr, i64, i64 } %t200, ptr %a202
-  store { ptr, i64, i64 } { ptr @.str.5501, i64 7, i64 0 }, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  %t205 = call { ptr, i64, i64 } @finch.gen.op(ptr %t195, { ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } { ptr @.str.5499, i64 8, i64 0 }, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t209, ptr %a211
-  store { ptr, i64, i64 } { ptr @.str.5502, i64 2, i64 0 }, ptr %a212
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  store { ptr, i64, i64 } %t192, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.5711, i64 1, i64 0 }, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load { ptr, i64, i64 }, ptr %a193
+  %t198 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t197, ptr %a200
+  store { ptr, i64, i64 } %t198, ptr %a201
+  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
+  store { ptr, i64, i64 } %t197, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } %t203, ptr %a205
+  store { ptr, i64, i64 } { ptr @.str.5712, i64 1, i64 0 }, ptr %a206
+  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
+  store { ptr, i64, i64 } %t203, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a204
+  %t209 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t208, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
   call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
-  %t213 = load { ptr, i64, i64 }, ptr %a210
-  %t214 = load ptr, ptr %a1
-  %t215 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.5503, i64 8, i64 0 }, ptr %a217
-  store { ptr, i64, i64 } %t215, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t219, ptr %a221
-  store { ptr, i64, i64 } { ptr @.str.5504, i64 7, i64 0 }, ptr %a222
-  call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
-  %t223 = load { ptr, i64, i64 }, ptr %a220
-  %t224 = call { ptr, i64, i64 } @finch.gen.op(ptr %t214, { ptr, i64, i64 } %t223)
-  store { ptr, i64, i64 } %t213, ptr %a226
-  store { ptr, i64, i64 } %t224, ptr %a227
-  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
-  %t228 = load { ptr, i64, i64 }, ptr %a225
-  %t229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t194, { ptr, i64, i64 } %t228)
-  store { ptr, i64, i64 } %t229, ptr %a35
-  br label %endif8112
-endif8112:
+  store { ptr, i64, i64 } %t208, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  %t214 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } %t214, ptr %a216
+  store { ptr, i64, i64 } { ptr @.str.5713, i64 2, i64 0 }, ptr %a217
+  call void @finch_str_concat(ptr %a215, ptr %a216, ptr %a217)
+  store { ptr, i64, i64 } %t214, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  %t219 = load { ptr, i64, i64 }, ptr %a215
+  %t220 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t219, ptr %a222
+  store { ptr, i64, i64 } %t220, ptr %a223
+  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
+  store { ptr, i64, i64 } %t219, ptr %a224
+  call void @finch_str_drop(ptr %a224)
+  %t225 = load { ptr, i64, i64 }, ptr %a221
+  %t226 = call { ptr, i64, i64 } @finch.gen.op(ptr %t184, { ptr, i64, i64 } %t225)
+  store { ptr, i64, i64 } %t225, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } %t226, ptr %a71
+  store { ptr, i64, i64 } %t228, ptr %a229
+  call void @finch_str_drop(ptr %a229)
+  br label %endif8579
+endif8579:
   %t230 = load ptr, ptr %a1
-  %t231 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.5505, i64 8, i64 0 }, ptr %a233
-  store { ptr, i64, i64 } %t231, ptr %a234
-  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
-  %t235 = load { ptr, i64, i64 }, ptr %a232
-  call void @finch.gen.emit(ptr %t230, { ptr, i64, i64 } %t235)
-  %t236 = load ptr, ptr %a1
-  %t237 = load %S.gen.Saved, ptr %a34
-  %t238 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5506, i64 20, i64 0 }, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t242, ptr %a244
-  store { ptr, i64, i64 } { ptr @.str.5507, i64 16, i64 0 }, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  call void @finch.gen.endHelper(ptr %t236, %S.gen.Saved %t237, { ptr, i64, i64 } %t246)
-  %t247 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t247, ptr %a248
-  call void @finch_str_copy(ptr %a249, ptr %a248)
-  %t250 = load { ptr, i64, i64 }, ptr %a249
-  ret { ptr, i64, i64 } %t250
+  %t231 = load ptr, ptr %a1
+  %t232 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.5715, i64 8, i64 0 }, ptr %a234
+  store { ptr, i64, i64 } %t232, ptr %a235
+  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a233
+  store { ptr, i64, i64 } %t236, ptr %a238
+  store { ptr, i64, i64 } { ptr @.str.5716, i64 7, i64 0 }, ptr %a239
+  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
+  store { ptr, i64, i64 } %t236, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = load { ptr, i64, i64 }, ptr %a237
+  %t242 = call { ptr, i64, i64 } @finch.gen.op(ptr %t231, { ptr, i64, i64 } %t241)
+  store { ptr, i64, i64 } %t241, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  store { ptr, i64, i64 } { ptr @.str.5714, i64 8, i64 0 }, ptr %a245
+  store { ptr, i64, i64 } %t242, ptr %a246
+  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
+  store { ptr, i64, i64 } %t242, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  %t248 = load { ptr, i64, i64 }, ptr %a244
+  store { ptr, i64, i64 } %t248, ptr %a250
+  store { ptr, i64, i64 } { ptr @.str.5717, i64 2, i64 0 }, ptr %a251
+  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
+  store { ptr, i64, i64 } %t248, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
+  %t254 = load ptr, ptr %a1
+  %t255 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.5718, i64 8, i64 0 }, ptr %a257
+  store { ptr, i64, i64 } %t255, ptr %a258
+  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a256
+  store { ptr, i64, i64 } %t259, ptr %a261
+  store { ptr, i64, i64 } { ptr @.str.5719, i64 7, i64 0 }, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  store { ptr, i64, i64 } %t259, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  %t264 = load { ptr, i64, i64 }, ptr %a260
+  %t265 = call { ptr, i64, i64 } @finch.gen.op(ptr %t254, { ptr, i64, i64 } %t264)
+  store { ptr, i64, i64 } %t264, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  store { ptr, i64, i64 } %t253, ptr %a268
+  store { ptr, i64, i64 } %t265, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t253, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  store { ptr, i64, i64 } %t265, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  %t272 = load { ptr, i64, i64 }, ptr %a267
+  %t273 = call { ptr, i64, i64 } @finch.gen.op(ptr %t230, { ptr, i64, i64 } %t272)
+  store { ptr, i64, i64 } %t272, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  %t275 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t273, ptr %a33
+  store { ptr, i64, i64 } %t275, ptr %a276
+  call void @finch_str_drop(ptr %a276)
+  call void @finch_str_drop(ptr %a71)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a69)
+  call void @finch_str_drop(ptr %a65)
+  call void @finch_str_drop(ptr %a61)
+  br label %endif8576
+endif8576:
+  %t277 = load ptr, ptr %a1
+  %t278 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.5720, i64 8, i64 0 }, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  %t282 = load { ptr, i64, i64 }, ptr %a279
+  call void @finch.gen.emit(ptr %t277, { ptr, i64, i64 } %t282)
+  store { ptr, i64, i64 } %t282, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  %t284 = load ptr, ptr %a1
+  %t285 = load %S.gen.Saved, ptr %a32
+  %t286 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.5721, i64 20, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t290, ptr %a292
+  store { ptr, i64, i64 } { ptr @.str.5722, i64 16, i64 0 }, ptr %a293
+  call void @finch_str_concat(ptr %a291, ptr %a292, ptr %a293)
+  store { ptr, i64, i64 } %t290, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a291
+  call void @finch.gen.endHelper(ptr %t284, %S.gen.Saved %t285, { ptr, i64, i64 } %t295)
+  store { ptr, i64, i64 } %t295, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch_str_drop(ptr %a33)
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t297
 }
 
 define internal %S.gen.Val @finch.gen.strMethod(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2) {
@@ -74534,239 +89600,328 @@ entry:
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca %S.gen.Val, align 16
+  %a54 = alloca %S.ast.Type, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca %S.gen.Val, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca %S.gen.Val, align 16
+  %a81 = alloca %S.ast.Type, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca %S.gen.Val, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca %S.gen.Val, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a261 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
   %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
   %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
   %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
   %a291 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
   %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
   %a333 = alloca { ptr, i64, i64 }, align 16
   %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
   %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
   %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
   %a347 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a358 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
   %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
   %a400 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
   %a403 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
   %a407 = alloca { ptr, i64, i64 }, align 16
   %a408 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
   %a412 = alloca { ptr, i64, i64 }, align 16
   %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
   %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
-  %a420 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a459 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca %S.gen.Val, align 16
+  %a446 = alloca i64, align 16
+  %a458 = alloca %S.gen.Val, align 16
   %a464 = alloca { ptr, i64, i64 }, align 16
-  %a465 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
   %a468 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
   %a473 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
   %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
   %a477 = alloca { ptr, i64, i64 }, align 16
   %a478 = alloca { ptr, i64, i64 }, align 16
-  %a479 = alloca { ptr, i64, i64 }, align 16
-  %a490 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a483 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
   %a526 = alloca { ptr, i64, i64 }, align 16
   %a527 = alloca { ptr, i64, i64 }, align 16
-  %a528 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
-  %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a541 = alloca %S.gen.Val, align 16
   %a545 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
   %a556 = alloca { ptr, i64, i64 }, align 16
   %a557 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
   %a564 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
   %a567 = alloca { ptr, i64, i64 }, align 16
   %a568 = alloca { ptr, i64, i64 }, align 16
   %a569 = alloca { ptr, i64, i64 }, align 16
-  %a571 = alloca { ptr, i64, i64 }, align 16
   %a572 = alloca { ptr, i64, i64 }, align 16
   %a573 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
   %a577 = alloca { ptr, i64, i64 }, align 16
   %a578 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
   %a580 = alloca { ptr, i64, i64 }, align 16
-  %a581 = alloca { ptr, i64, i64 }, align 16
   %a582 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca %S.ast.Type, align 16
   %a595 = alloca { ptr, i64, i64 }, align 16
   %a596 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca %S.gen.Val, align 16
+  %a621 = alloca %S.ast.Type, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca %S.gen.Val, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a642 = alloca { ptr, i64, i64 }, align 16
+  %a643 = alloca { ptr, i64, i64 }, align 16
+  %a645 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
+  %a648 = alloca { ptr, i64, i64 }, align 16
+  %a651 = alloca { ptr, i64, i64 }, align 16
+  %a652 = alloca { ptr, i64, i64 }, align 16
+  %a653 = alloca { ptr, i64, i64 }, align 16
+  %a654 = alloca { ptr, i64, i64 }, align 16
+  %a656 = alloca { ptr, i64, i64 }, align 16
+  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a683 = alloca { ptr, i64, i64 }, align 16
+  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a686 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
+  %a692 = alloca { ptr, i64, i64 }, align 16
+  %a693 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca { ptr, i64, i64 }, align 16
+  %a697 = alloca { ptr, i64, i64 }, align 16
+  %a698 = alloca { ptr, i64, i64 }, align 16
+  %a699 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a708 = alloca %S.ast.Type, align 16
+  %a714 = alloca { ptr, i64, i64 }, align 16
+  %a715 = alloca { ptr, i64, i64 }, align 16
+  %a716 = alloca { ptr, i64, i64 }, align 16
+  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a721 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -74782,22 +89937,22 @@ entry:
   %t13 = load ptr, ptr %a1
   %t14 = load ptr, ptr %a1
   %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic8116, label %ok8117
-panic8116:
-  call void @finch_panic(ptr @.str.5508, i64 4968, ptr @.str.5509)
+  br i1 %t15, label %panic8580, label %ok8581
+panic8580:
+  call void @finch_panic(ptr @.str.5723, i64 5381, ptr @.str.5724)
   unreachable
-ok8117:
+ok8581:
   %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 1
   %t17 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
   %t18 = load i64, ptr %t17
   %t19 = load { ptr, i64, i64 }, ptr %t16
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range8118, label %inrange8119
-range8118:
-  call void @finch_panic_index(ptr @.str.5510, i64 4968, i64 %t18, i64 %t20)
+  br i1 %t21, label %range8582, label %inrange8583
+range8582:
+  call void @finch_panic_index(ptr @.str.5725, i64 5381, i64 %t18, i64 %t20)
   unreachable
-inrange8119:
+inrange8583:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i64 %t18
   %t24 = load { ptr, i64, i64 }, ptr %t23
@@ -74805,11 +89960,11 @@ inrange8119:
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.5511, i64 3, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.5726, i64 3, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br i1 %t31, label %then8120, label %endif8122
-then8120:
+  br i1 %t31, label %then8584, label %endif8586
+then8584:
   %t32 = load ptr, ptr %a1
   %t33 = load %S.ast.Node, ptr %a2
   call void @finch.gen.need(ptr %t32, %S.ast.Node %t33, i64 2)
@@ -74819,879 +89974,1151 @@ then8120:
   %t37 = load { ptr, i64, i64 }, ptr %t36
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 1, %t38
-  br i1 %t39, label %range8123, label %inrange8124
-range8123:
-  call void @finch_panic_index(ptr @.str.5512, i64 4971, i64 1, i64 %t38)
+  br i1 %t39, label %range8587, label %inrange8588
+range8587:
+  call void @finch_panic_index(ptr @.str.5727, i64 5384, i64 1, i64 %t38)
   unreachable
-inrange8124:
+inrange8588:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 1
   %t42 = load %S.ast.Node, ptr %t41
   %t43 = call %S.gen.Val @finch.gen.expr(ptr %t35, %S.ast.Node %t42)
-  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5513, i64 3, i64 0 })
+  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5728, i64 3, i64 0 })
   %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t46 = load { ptr, i64, i64 }, ptr %t45
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 1, %t47
-  br i1 %t48, label %range8125, label %inrange8126
-range8125:
-  call void @finch_panic_index(ptr @.str.5514, i64 4971, i64 1, i64 %t47)
+  br i1 %t48, label %range8589, label %inrange8590
+range8589:
+  call void @finch_panic_index(ptr @.str.5729, i64 5384, i64 1, i64 %t47)
   unreachable
-inrange8126:
+inrange8590:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 1
   %t51 = load %S.ast.Node, ptr %t50
-  %t52 = call %S.gen.Val @finch.gen.coerce(ptr %t34, %S.gen.Val %t43, %S.ast.Type %t44, %S.ast.Node %t51, { ptr, i64, i64 } { ptr @.str.5515, i64 9, i64 0 })
-  %t53 = extractvalue %S.gen.Val %t52, 0
-  store { ptr, i64, i64 } %t53, ptr %a54
-  call void @finch_str_copy(ptr %a55, ptr %a54)
-  %t56 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t56, ptr %a57
-  %t58 = load ptr, ptr %a1
-  %t59 = load ptr, ptr %a1
-  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t61 = load { ptr, i64, i64 }, ptr %t60
-  %t62 = extractvalue { ptr, i64, i64 } %t61, 1
-  %t63 = icmp uge i64 2, %t62
-  br i1 %t63, label %range8127, label %inrange8128
-range8127:
-  call void @finch_panic_index(ptr @.str.5516, i64 4972, i64 2, i64 %t62)
+  %t52 = call %S.gen.Val @finch.gen.coerce(ptr %t34, %S.gen.Val %t43, %S.ast.Type %t44, %S.ast.Node %t51, { ptr, i64, i64 } { ptr @.str.5730, i64 9, i64 0 })
+  store %S.gen.Val %t43, ptr %a53
+  call void @finch.drop.S_gen_Val(ptr %a53)
+  store %S.ast.Type %t44, ptr %a54
+  call void @finch.drop.S_ast_Type(ptr %a54)
+  %t55 = extractvalue %S.gen.Val %t52, 0
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_copy(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  store %S.gen.Val %t52, ptr %a59
+  call void @finch.drop.S_gen_Val(ptr %a59)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  %t61 = load ptr, ptr %a1
+  %t62 = load ptr, ptr %a1
+  %t63 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t64 = load { ptr, i64, i64 }, ptr %t63
+  %t65 = extractvalue { ptr, i64, i64 } %t64, 1
+  %t66 = icmp uge i64 2, %t65
+  br i1 %t66, label %range8591, label %inrange8592
+range8591:
+  call void @finch_panic_index(ptr @.str.5731, i64 5385, i64 2, i64 %t65)
   unreachable
-inrange8128:
-  %t64 = extractvalue { ptr, i64, i64 } %t61, 0
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 2
-  %t66 = load %S.ast.Node, ptr %t65
-  %t67 = call %S.gen.Val @finch.gen.expr(ptr %t59, %S.ast.Node %t66)
-  %t68 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5517, i64 3, i64 0 })
-  %t69 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t70 = load { ptr, i64, i64 }, ptr %t69
-  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
-  %t72 = icmp uge i64 2, %t71
-  br i1 %t72, label %range8129, label %inrange8130
-range8129:
-  call void @finch_panic_index(ptr @.str.5518, i64 4972, i64 2, i64 %t71)
+inrange8592:
+  %t67 = extractvalue { ptr, i64, i64 } %t64, 0
+  %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 2
+  %t69 = load %S.ast.Node, ptr %t68
+  %t70 = call %S.gen.Val @finch.gen.expr(ptr %t62, %S.ast.Node %t69)
+  %t71 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5732, i64 3, i64 0 })
+  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 2, %t74
+  br i1 %t75, label %range8593, label %inrange8594
+range8593:
+  call void @finch_panic_index(ptr @.str.5733, i64 5385, i64 2, i64 %t74)
   unreachable
-inrange8130:
-  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 2
-  %t75 = load %S.ast.Node, ptr %t74
-  %t76 = call %S.gen.Val @finch.gen.coerce(ptr %t58, %S.gen.Val %t67, %S.ast.Type %t68, %S.ast.Node %t75, { ptr, i64, i64 } { ptr @.str.5519, i64 7, i64 0 })
-  %t77 = extractvalue %S.gen.Val %t76, 0
-  store { ptr, i64, i64 } %t77, ptr %a78
-  call void @finch_str_copy(ptr %a79, ptr %a78)
-  %t80 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.5520, i64 29, i64 0 }, ptr %a85
-  store { ptr, i64, i64 } %t83, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t87, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.5521, i64 6, i64 0 }, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  %t92 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t91, ptr %a94
-  store { ptr, i64, i64 } %t92, ptr %a95
-  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
-  %t96 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.5522, i64 6, i64 0 }, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = load { ptr, i64, i64 }, ptr %a57
-  store { ptr, i64, i64 } %t100, ptr %a103
-  store { ptr, i64, i64 } %t101, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t105, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.5523, i64 6, i64 0 }, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  %t110 = load { ptr, i64, i64 }, ptr %a81
+inrange8594:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %t76, i64 2
+  %t78 = load %S.ast.Node, ptr %t77
+  %t79 = call %S.gen.Val @finch.gen.coerce(ptr %t61, %S.gen.Val %t70, %S.ast.Type %t71, %S.ast.Node %t78, { ptr, i64, i64 } { ptr @.str.5734, i64 7, i64 0 })
+  store %S.gen.Val %t70, ptr %a80
+  call void @finch.drop.S_gen_Val(ptr %a80)
+  store %S.ast.Type %t71, ptr %a81
+  call void @finch.drop.S_ast_Type(ptr %a81)
+  %t82 = extractvalue %S.gen.Val %t79, 0
+  store { ptr, i64, i64 } %t82, ptr %a83
+  call void @finch_str_copy(ptr %a84, ptr %a83)
+  %t85 = load { ptr, i64, i64 }, ptr %a84
+  store %S.gen.Val %t79, ptr %a86
+  call void @finch.drop.S_gen_Val(ptr %a86)
+  store { ptr, i64, i64 } %t85, ptr %a87
+  %t88 = load ptr, ptr %a1
+  %t89 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.5735, i64 29, i64 0 }, ptr %a91
+  store { ptr, i64, i64 } %t89, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t93, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.5736, i64 6, i64 0 }, ptr %a96
+  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  %t99 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t98, ptr %a101
+  store { ptr, i64, i64 } %t99, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t98, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.5737, i64 6, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = load { ptr, i64, i64 }, ptr %a60
   store { ptr, i64, i64 } %t109, ptr %a112
   store { ptr, i64, i64 } %t110, ptr %a113
   call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
-  %t114 = load { ptr, i64, i64 }, ptr %a111
-  store { ptr, i64, i64 } %t114, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.5524, i64 6, i64 0 }, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  %t119 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t118, ptr %a121
-  store { ptr, i64, i64 } %t119, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.5525, i64 6, i64 0 }, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t129 = load i64, ptr %t128
-  call void @finch_str_from_int(ptr %a130, i64 %t129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t127, ptr %a133
+  store { ptr, i64, i64 } %t109, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  store { ptr, i64, i64 } %t115, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.5738, i64 6, i64 0 }, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a116
+  %t121 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t120, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t120, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t126, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.5739, i64 6, i64 0 }, ptr %a129
+  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
+  store { ptr, i64, i64 } %t126, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load { ptr, i64, i64 }, ptr %a127
+  %t132 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.5526, i64 1, i64 0 }, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  call void @finch.gen.emit(ptr %t82, { ptr, i64, i64 } %t139)
-  %t140 = load ptr, ptr %a1
-  %t141 = load { ptr, i64, i64 }, ptr %a12
-  %t142 = call { ptr, i64, i64 } @finch.gen.load(ptr %t140, { ptr, i64, i64 } { ptr @.str.5527, i64 17, i64 0 }, { ptr, i64, i64 } %t141)
-  %t143 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t142, 0
-  %t144 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5528, i64 3, i64 0 })
-  %t145 = insertvalue %S.gen.Val %t143, %S.ast.Type %t144, 1
-  %t146 = insertvalue %S.gen.Val %t145, i1 true, 2
-  ret %S.gen.Val %t146
-endif8122:
-  %t147 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t147, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.5529, i64 4, i64 0 }, ptr %a149
-  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
-  %t151 = icmp ne i32 %t150, 0
-  br label %logic.from8131
-logic.from8131:
-  br i1 %t151, label %logic.end8133, label %logic.rhs8132
-logic.rhs8132:
-  %t152 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.5530, i64 8, i64 0 }, ptr %a154
-  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
-  %t156 = icmp ne i32 %t155, 0
-  br label %logic.rend8134
-logic.rend8134:
-  br label %logic.end8133
-logic.end8133:
-  %t157 = phi i1 [ true, %logic.from8131 ], [ %t156, %logic.rend8134 ]
-  br label %logic.from8135
-logic.from8135:
-  br i1 %t157, label %logic.end8137, label %logic.rhs8136
-logic.rhs8136:
-  %t158 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t158, ptr %a159
-  store { ptr, i64, i64 } { ptr @.str.5531, i64 11, i64 0 }, ptr %a160
-  %t161 = call i32 @finch_str_eq(ptr %a159, ptr %a160)
-  %t162 = icmp ne i32 %t161, 0
-  br label %logic.rend8138
-logic.rend8138:
-  br label %logic.end8137
-logic.end8137:
-  %t163 = phi i1 [ true, %logic.from8135 ], [ %t162, %logic.rend8138 ]
-  br label %logic.from8139
-logic.from8139:
-  br i1 %t163, label %logic.end8141, label %logic.rhs8140
-logic.rhs8140:
-  %t164 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t164, ptr %a165
-  store { ptr, i64, i64 } { ptr @.str.5532, i64 9, i64 0 }, ptr %a166
-  %t167 = call i32 @finch_str_eq(ptr %a165, ptr %a166)
-  %t168 = icmp ne i32 %t167, 0
-  br label %logic.rend8142
-logic.rend8142:
-  br label %logic.end8141
-logic.end8141:
-  %t169 = phi i1 [ true, %logic.from8139 ], [ %t168, %logic.rend8142 ]
-  br i1 %t169, label %then8143, label %endif8145
-then8143:
-  %t170 = load ptr, ptr %a1
-  %t171 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t170, %S.ast.Node %t171, i64 1)
-  %t172 = load ptr, ptr %a1
-  %t173 = load ptr, ptr %a1
-  %t174 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  %t176 = extractvalue { ptr, i64, i64 } %t175, 1
-  %t177 = icmp uge i64 1, %t176
-  br i1 %t177, label %range8146, label %inrange8147
-range8146:
-  call void @finch_panic_index(ptr @.str.5533, i64 4978, i64 1, i64 %t176)
-  unreachable
-inrange8147:
-  %t178 = extractvalue { ptr, i64, i64 } %t175, 0
-  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i64 1
-  %t180 = load %S.ast.Node, ptr %t179
-  %t181 = call %S.gen.Val @finch.gen.strArg(ptr %t173, %S.ast.Node %t180, { ptr, i64, i64 } { ptr @.str.5534, i64 20, i64 0 })
-  %t182 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t172, %S.gen.Val %t181)
-  store { ptr, i64, i64 } %t182, ptr %a183
-  %t184 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t184, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.5535, i64 4, i64 0 }, ptr %a186
-  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
-  %t188 = icmp ne i32 %t187, 0
-  br i1 %t188, label %then8148, label %endif8150
-then8148:
+  store { ptr, i64, i64 } %t132, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t131, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  store { ptr, i64, i64 } %t137, ptr %a139
+  store { ptr, i64, i64 } { ptr @.str.5740, i64 6, i64 0 }, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t137, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  %t142 = load { ptr, i64, i64 }, ptr %a138
+  %t143 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t144 = load i64, ptr %t143
+  call void @finch_str_from_int(ptr %a145, i64 %t144)
+  %t146 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t142, ptr %a148
+  store { ptr, i64, i64 } %t146, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t142, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  store { ptr, i64, i64 } %t146, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a147
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.5741, i64 1, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  call void @finch.gen.emit(ptr %t88, { ptr, i64, i64 } %t157)
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load ptr, ptr %a1
+  %t160 = load { ptr, i64, i64 }, ptr %a12
+  %t161 = call { ptr, i64, i64 } @finch.gen.load(ptr %t159, { ptr, i64, i64 } { ptr @.str.5742, i64 17, i64 0 }, { ptr, i64, i64 } %t160)
+  %t162 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t161, 0
+  %t163 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5743, i64 3, i64 0 })
+  %t164 = insertvalue %S.gen.Val %t162, %S.ast.Type %t163, 1
+  %t165 = insertvalue %S.gen.Val %t164, i1 true, 2
+  call void @finch_str_drop(ptr %a87)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t165
+endif8586:
+  %t166 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.5744, i64 4, i64 0 }, ptr %a168
+  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
+  %t170 = icmp ne i32 %t169, 0
+  br label %logic.from8595
+logic.from8595:
+  br i1 %t170, label %logic.end8597, label %logic.rhs8596
+logic.rhs8596:
+  %t171 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t171, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.5745, i64 8, i64 0 }, ptr %a173
+  %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
+  %t175 = icmp ne i32 %t174, 0
+  br label %logic.rend8598
+logic.rend8598:
+  br label %logic.end8597
+logic.end8597:
+  %t176 = phi i1 [ true, %logic.from8595 ], [ %t175, %logic.rend8598 ]
+  br label %logic.from8599
+logic.from8599:
+  br i1 %t176, label %logic.end8601, label %logic.rhs8600
+logic.rhs8600:
+  %t177 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t177, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.5746, i64 11, i64 0 }, ptr %a179
+  %t180 = call i32 @finch_str_eq(ptr %a178, ptr %a179)
+  %t181 = icmp ne i32 %t180, 0
+  br label %logic.rend8602
+logic.rend8602:
+  br label %logic.end8601
+logic.end8601:
+  %t182 = phi i1 [ true, %logic.from8599 ], [ %t181, %logic.rend8602 ]
+  br label %logic.from8603
+logic.from8603:
+  br i1 %t182, label %logic.end8605, label %logic.rhs8604
+logic.rhs8604:
+  %t183 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t183, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.5747, i64 9, i64 0 }, ptr %a185
+  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
+  %t187 = icmp ne i32 %t186, 0
+  br label %logic.rend8606
+logic.rend8606:
+  br label %logic.end8605
+logic.end8605:
+  %t188 = phi i1 [ true, %logic.from8603 ], [ %t187, %logic.rend8606 ]
+  br i1 %t188, label %then8607, label %endif8609
+then8607:
   %t189 = load ptr, ptr %a1
-  %t190 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5536, i64 29, i64 0 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.5537, i64 6, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t198, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.5538, i64 1, i64 0 }, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = call { ptr, i64, i64 } @finch.gen.op(ptr %t189, { ptr, i64, i64 } %t207)
-  %t209 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t208, 0
-  %t210 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5539, i64 3, i64 0 })
-  %t211 = insertvalue %S.gen.Val %t209, %S.ast.Type %t210, 1
-  ret %S.gen.Val %t211
-endif8150:
-  %t212 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t212, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.5540, i64 8, i64 0 }, ptr %a214
-  %t215 = call i32 @finch_str_eq(ptr %a213, ptr %a214)
-  %t216 = icmp ne i32 %t215, 0
-  br i1 %t216, label %then8151, label %endif8153
-then8151:
-  %t217 = load ptr, ptr %a1
-  %t218 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5541, i64 29, i64 0 }, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  store { ptr, i64, i64 } %t222, ptr %a224
-  store { ptr, i64, i64 } { ptr @.str.5542, i64 6, i64 0 }, ptr %a225
-  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
-  %t226 = load { ptr, i64, i64 }, ptr %a223
-  %t227 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t226, ptr %a229
-  store { ptr, i64, i64 } %t227, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
+  %t190 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t189, %S.ast.Node %t190, i64 1)
+  %t191 = load ptr, ptr %a1
+  %t192 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  %t194 = extractvalue { ptr, i64, i64 } %t193, 1
+  %t195 = icmp uge i64 1, %t194
+  br i1 %t195, label %range8610, label %inrange8611
+range8610:
+  call void @finch_panic_index(ptr @.str.5748, i64 5391, i64 1, i64 %t194)
+  unreachable
+inrange8611:
+  %t196 = extractvalue { ptr, i64, i64 } %t193, 0
+  %t197 = getelementptr inbounds %S.ast.Node, ptr %t196, i64 1
+  %t198 = load %S.ast.Node, ptr %t197
+  %t199 = call %S.gen.Val @finch.gen.strArg(ptr %t191, %S.ast.Node %t198, { ptr, i64, i64 } { ptr @.str.5749, i64 20, i64 0 })
+  store %S.gen.Val %t199, ptr %a200
+  %t201 = load ptr, ptr %a1
+  %t202 = load %S.gen.Val, ptr %a200
+  %t203 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t201, %S.gen.Val %t202)
+  store { ptr, i64, i64 } %t203, ptr %a204
+  %t205 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t205, ptr %a206
+  store { ptr, i64, i64 } { ptr @.str.5750, i64 4, i64 0 }, ptr %a207
+  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
+  %t209 = icmp ne i32 %t208, 0
+  br i1 %t209, label %then8612, label %endif8614
+then8612:
+  %t210 = load ptr, ptr %a1
+  %t211 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5751, i64 29, i64 0 }, ptr %a213
+  store { ptr, i64, i64 } %t211, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } %t215, ptr %a217
+  store { ptr, i64, i64 } { ptr @.str.5752, i64 6, i64 0 }, ptr %a218
+  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
+  store { ptr, i64, i64 } %t215, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = load { ptr, i64, i64 }, ptr %a216
+  %t221 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t220, ptr %a223
+  store { ptr, i64, i64 } %t221, ptr %a224
+  call void @finch_str_concat(ptr %a222, ptr %a223, ptr %a224)
+  store { ptr, i64, i64 } %t220, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load { ptr, i64, i64 }, ptr %a222
+  store { ptr, i64, i64 } %t226, ptr %a228
+  store { ptr, i64, i64 } { ptr @.str.5753, i64 1, i64 0 }, ptr %a229
+  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
+  store { ptr, i64, i64 } %t226, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = load { ptr, i64, i64 }, ptr %a227
+  %t232 = call { ptr, i64, i64 } @finch.gen.op(ptr %t210, { ptr, i64, i64 } %t231)
   store { ptr, i64, i64 } %t231, ptr %a233
-  store { ptr, i64, i64 } { ptr @.str.5543, i64 1, i64 0 }, ptr %a234
-  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
-  %t235 = load { ptr, i64, i64 }, ptr %a232
-  %t236 = call { ptr, i64, i64 } @finch.gen.op(ptr %t217, { ptr, i64, i64 } %t235)
-  store { ptr, i64, i64 } %t236, ptr %a237
-  %t238 = load ptr, ptr %a1
-  %t239 = load { ptr, i64, i64 }, ptr %a237
-  store { ptr, i64, i64 } { ptr @.str.5544, i64 13, i64 0 }, ptr %a241
-  store { ptr, i64, i64 } %t239, ptr %a242
-  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
-  %t243 = load { ptr, i64, i64 }, ptr %a240
-  store { ptr, i64, i64 } %t243, ptr %a245
-  store { ptr, i64, i64 } { ptr @.str.5545, i64 3, i64 0 }, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  %t248 = call { ptr, i64, i64 } @finch.gen.op(ptr %t238, { ptr, i64, i64 } %t247)
-  %t249 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t248, 0
-  %t250 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5546, i64 4, i64 0 })
-  %t251 = insertvalue %S.gen.Val %t249, %S.ast.Type %t250, 1
-  ret %S.gen.Val %t251
-endif8153:
-  store { ptr, i64, i64 } { ptr @.str.5547, i64 17, i64 0 }, ptr %a252
-  %t253 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t253, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.5548, i64 9, i64 0 }, ptr %a255
-  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
-  %t257 = icmp ne i32 %t256, 0
-  br i1 %t257, label %then8154, label %endif8156
-then8154:
-  store { ptr, i64, i64 } { ptr @.str.5549, i64 15, i64 0 }, ptr %a252
-  br label %endif8156
-endif8156:
-  %t258 = load ptr, ptr %a1
-  %t259 = load { ptr, i64, i64 }, ptr %a252
-  store { ptr, i64, i64 } { ptr @.str.5550, i64 9, i64 0 }, ptr %a261
+  call void @finch_str_drop(ptr %a233)
+  store { ptr, i64, i64 } %t232, ptr %a234
+  %t235 = load ptr, ptr %a1
+  %t236 = load %S.gen.Val, ptr %a200
+  call void @finch.gen.release(ptr %t235, %S.gen.Val %t236)
+  %t237 = load { ptr, i64, i64 }, ptr %a234
+  store { ptr, i64, i64 } %t237, ptr %a238
+  call void @finch_str_copy(ptr %a239, ptr %a238)
+  %t240 = load { ptr, i64, i64 }, ptr %a239
+  %t241 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t240, 0
+  %t242 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5754, i64 3, i64 0 })
+  %t243 = insertvalue %S.gen.Val %t241, %S.ast.Type %t242, 1
+  call void @finch_str_drop(ptr %a234)
+  call void @finch_str_drop(ptr %a204)
+  call void @finch.drop.S_gen_Val(ptr %a200)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t243
+endif8614:
+  %t244 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t244, ptr %a245
+  store { ptr, i64, i64 } { ptr @.str.5755, i64 8, i64 0 }, ptr %a246
+  %t247 = call i32 @finch_str_eq(ptr %a245, ptr %a246)
+  %t248 = icmp ne i32 %t247, 0
+  br i1 %t248, label %then8615, label %endif8617
+then8615:
+  %t249 = load ptr, ptr %a1
+  %t250 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5756, i64 29, i64 0 }, ptr %a252
+  store { ptr, i64, i64 } %t250, ptr %a253
+  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a251
+  store { ptr, i64, i64 } %t254, ptr %a256
+  store { ptr, i64, i64 } { ptr @.str.5757, i64 6, i64 0 }, ptr %a257
+  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
+  store { ptr, i64, i64 } %t254, ptr %a258
+  call void @finch_str_drop(ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a255
+  %t260 = load { ptr, i64, i64 }, ptr %a204
   store { ptr, i64, i64 } %t259, ptr %a262
-  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
-  %t263 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t263, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.5551, i64 5, i64 0 }, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
-  %t268 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t267, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } %t272, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.5552, i64 6, i64 0 }, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  %t277 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t276, ptr %a279
-  store { ptr, i64, i64 } %t277, ptr %a280
-  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
-  %t281 = load { ptr, i64, i64 }, ptr %a278
-  store { ptr, i64, i64 } %t281, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.5553, i64 1, i64 0 }, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  %t286 = call { ptr, i64, i64 } @finch.gen.op(ptr %t258, { ptr, i64, i64 } %t285)
-  store { ptr, i64, i64 } %t286, ptr %a287
+  store { ptr, i64, i64 } %t260, ptr %a263
+  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
+  store { ptr, i64, i64 } %t259, ptr %a264
+  call void @finch_str_drop(ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a261
+  store { ptr, i64, i64 } %t265, ptr %a267
+  store { ptr, i64, i64 } { ptr @.str.5758, i64 1, i64 0 }, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t265, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  %t271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t249, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  store { ptr, i64, i64 } %t271, ptr %a273
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a273
+  store { ptr, i64, i64 } { ptr @.str.5759, i64 13, i64 0 }, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t279, ptr %a281
+  store { ptr, i64, i64 } { ptr @.str.5760, i64 3, i64 0 }, ptr %a282
+  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
+  store { ptr, i64, i64 } %t279, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  %t284 = load { ptr, i64, i64 }, ptr %a280
+  %t285 = call { ptr, i64, i64 } @finch.gen.op(ptr %t274, { ptr, i64, i64 } %t284)
+  store { ptr, i64, i64 } %t284, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  store { ptr, i64, i64 } %t285, ptr %a287
   %t288 = load ptr, ptr %a1
-  %t289 = load { ptr, i64, i64 }, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.5554, i64 12, i64 0 }, ptr %a291
-  store { ptr, i64, i64 } %t289, ptr %a292
-  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
-  %t293 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t293, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.5555, i64 3, i64 0 }, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  %t298 = call { ptr, i64, i64 } @finch.gen.op(ptr %t288, { ptr, i64, i64 } %t297)
-  %t299 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t298, 0
-  %t300 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5556, i64 4, i64 0 })
-  %t301 = insertvalue %S.gen.Val %t299, %S.ast.Type %t300, 1
-  ret %S.gen.Val %t301
-endif8145:
-  %t302 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t302, ptr %a303
-  store { ptr, i64, i64 } { ptr @.str.5557, i64 4, i64 0 }, ptr %a304
-  %t305 = call i32 @finch_str_eq(ptr %a303, ptr %a304)
-  %t306 = icmp ne i32 %t305, 0
-  br label %logic.from8157
-logic.from8157:
-  br i1 %t306, label %logic.end8159, label %logic.rhs8158
-logic.rhs8158:
-  %t307 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t307, ptr %a308
-  store { ptr, i64, i64 } { ptr @.str.5558, i64 5, i64 0 }, ptr %a309
-  %t310 = call i32 @finch_str_eq(ptr %a308, ptr %a309)
-  %t311 = icmp ne i32 %t310, 0
-  br label %logic.rend8160
-logic.rend8160:
-  br label %logic.end8159
-logic.end8159:
-  %t312 = phi i1 [ true, %logic.from8157 ], [ %t311, %logic.rend8160 ]
-  br label %logic.from8161
-logic.from8161:
-  br i1 %t312, label %logic.end8163, label %logic.rhs8162
-logic.rhs8162:
-  %t313 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t313, ptr %a314
-  store { ptr, i64, i64 } { ptr @.str.5559, i64 5, i64 0 }, ptr %a315
-  %t316 = call i32 @finch_str_eq(ptr %a314, ptr %a315)
-  %t317 = icmp ne i32 %t316, 0
-  br label %logic.rend8164
-logic.rend8164:
-  br label %logic.end8163
-logic.end8163:
-  %t318 = phi i1 [ true, %logic.from8161 ], [ %t317, %logic.rend8164 ]
-  br i1 %t318, label %then8165, label %endif8167
-then8165:
-  %t319 = load ptr, ptr %a1
-  %t320 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t319, %S.ast.Node %t320, i64 0)
-  %t321 = load ptr, ptr %a1
-  %t322 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5560, i64 21, i64 0 }, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.5561, i64 5, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  %t331 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t330, ptr %a333
-  store { ptr, i64, i64 } %t331, ptr %a334
-  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
-  %t335 = load { ptr, i64, i64 }, ptr %a332
-  store { ptr, i64, i64 } %t335, ptr %a337
-  store { ptr, i64, i64 } { ptr @.str.5562, i64 6, i64 0 }, ptr %a338
-  call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
-  %t339 = load { ptr, i64, i64 }, ptr %a336
-  %t340 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t339, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a346
-  store { ptr, i64, i64 } { ptr @.str.5563, i64 1, i64 0 }, ptr %a347
-  call void @finch_str_concat(ptr %a345, ptr %a346, ptr %a347)
-  %t348 = load { ptr, i64, i64 }, ptr %a345
-  call void @finch.gen.emit(ptr %t321, { ptr, i64, i64 } %t348)
-  %t349 = load ptr, ptr %a1
-  %t350 = load { ptr, i64, i64 }, ptr %a12
-  %t351 = call { ptr, i64, i64 } @finch.gen.load(ptr %t349, { ptr, i64, i64 } { ptr @.str.5564, i64 17, i64 0 }, { ptr, i64, i64 } %t350)
-  %t352 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t351, 0
-  %t353 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5565, i64 3, i64 0 })
-  %t354 = insertvalue %S.gen.Val %t352, %S.ast.Type %t353, 1
-  %t355 = insertvalue %S.gen.Val %t354, i1 true, 2
-  ret %S.gen.Val %t355
-endif8167:
-  %t356 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t356, ptr %a357
-  store { ptr, i64, i64 } { ptr @.str.5566, i64 7, i64 0 }, ptr %a358
-  %t359 = call i32 @finch_str_eq(ptr %a357, ptr %a358)
-  %t360 = icmp ne i32 %t359, 0
-  br i1 %t360, label %then8168, label %endif8170
-then8168:
-  %t361 = load ptr, ptr %a1
-  %t362 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t361, %S.ast.Node %t362, i64 2)
-  %t363 = load ptr, ptr %a1
-  %t364 = load ptr, ptr %a1
-  %t365 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t366 = load { ptr, i64, i64 }, ptr %t365
-  %t367 = extractvalue { ptr, i64, i64 } %t366, 1
-  %t368 = icmp uge i64 1, %t367
-  br i1 %t368, label %range8171, label %inrange8172
-range8171:
-  call void @finch_panic_index(ptr @.str.5567, i64 5000, i64 1, i64 %t367)
-  unreachable
-inrange8172:
-  %t369 = extractvalue { ptr, i64, i64 } %t366, 0
-  %t370 = getelementptr inbounds %S.ast.Node, ptr %t369, i64 1
-  %t371 = load %S.ast.Node, ptr %t370
-  %t372 = call %S.gen.Val @finch.gen.strArg(ptr %t364, %S.ast.Node %t371, { ptr, i64, i64 } { ptr @.str.5568, i64 19, i64 0 })
-  %t373 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t363, %S.gen.Val %t372)
-  store { ptr, i64, i64 } %t373, ptr %a374
-  %t375 = load ptr, ptr %a1
-  %t376 = load ptr, ptr %a1
-  %t377 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t378 = load { ptr, i64, i64 }, ptr %t377
-  %t379 = extractvalue { ptr, i64, i64 } %t378, 1
-  %t380 = icmp uge i64 2, %t379
-  br i1 %t380, label %range8173, label %inrange8174
-range8173:
-  call void @finch_panic_index(ptr @.str.5569, i64 5001, i64 2, i64 %t379)
-  unreachable
-inrange8174:
-  %t381 = extractvalue { ptr, i64, i64 } %t378, 0
-  %t382 = getelementptr inbounds %S.ast.Node, ptr %t381, i64 2
-  %t383 = load %S.ast.Node, ptr %t382
-  %t384 = call %S.gen.Val @finch.gen.strArg(ptr %t376, %S.ast.Node %t383, { ptr, i64, i64 } { ptr @.str.5570, i64 12, i64 0 })
-  %t385 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t375, %S.gen.Val %t384)
-  store { ptr, i64, i64 } %t385, ptr %a386
-  %t387 = load ptr, ptr %a1
-  %t388 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.5571, i64 33, i64 0 }, ptr %a390
-  store { ptr, i64, i64 } %t388, ptr %a391
+  %t289 = load %S.gen.Val, ptr %a200
+  call void @finch.gen.release(ptr %t288, %S.gen.Val %t289)
+  %t290 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_copy(ptr %a292, ptr %a291)
+  %t293 = load { ptr, i64, i64 }, ptr %a292
+  %t294 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t293, 0
+  %t295 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5761, i64 4, i64 0 })
+  %t296 = insertvalue %S.gen.Val %t294, %S.ast.Type %t295, 1
+  call void @finch_str_drop(ptr %a287)
+  call void @finch_str_drop(ptr %a273)
+  call void @finch_str_drop(ptr %a204)
+  call void @finch.drop.S_gen_Val(ptr %a200)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t296
+endif8617:
+  store { ptr, i64, i64 } { ptr @.str.5762, i64 17, i64 0 }, ptr %a297
+  %t298 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t298, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.5763, i64 9, i64 0 }, ptr %a300
+  %t301 = call i32 @finch_str_eq(ptr %a299, ptr %a300)
+  %t302 = icmp ne i32 %t301, 0
+  br i1 %t302, label %then8618, label %endif8620
+then8618:
+  %t303 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.5764, i64 15, i64 0 }, ptr %a297
+  store { ptr, i64, i64 } %t303, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  br label %endif8620
+endif8620:
+  %t305 = load ptr, ptr %a1
+  %t306 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.5765, i64 9, i64 0 }, ptr %a308
+  store { ptr, i64, i64 } %t306, ptr %a309
+  call void @finch_str_concat(ptr %a307, ptr %a308, ptr %a309)
+  %t310 = load { ptr, i64, i64 }, ptr %a307
+  store { ptr, i64, i64 } %t310, ptr %a312
+  store { ptr, i64, i64 } { ptr @.str.5766, i64 5, i64 0 }, ptr %a313
+  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
+  store { ptr, i64, i64 } %t310, ptr %a314
+  call void @finch_str_drop(ptr %a314)
+  %t315 = load { ptr, i64, i64 }, ptr %a311
+  %t316 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t315, ptr %a318
+  store { ptr, i64, i64 } %t316, ptr %a319
+  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
+  store { ptr, i64, i64 } %t315, ptr %a320
+  call void @finch_str_drop(ptr %a320)
+  %t321 = load { ptr, i64, i64 }, ptr %a317
+  store { ptr, i64, i64 } %t321, ptr %a323
+  store { ptr, i64, i64 } { ptr @.str.5767, i64 6, i64 0 }, ptr %a324
+  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
+  store { ptr, i64, i64 } %t321, ptr %a325
+  call void @finch_str_drop(ptr %a325)
+  %t326 = load { ptr, i64, i64 }, ptr %a322
+  %t327 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t326, ptr %a329
+  store { ptr, i64, i64 } %t327, ptr %a330
+  call void @finch_str_concat(ptr %a328, ptr %a329, ptr %a330)
+  store { ptr, i64, i64 } %t326, ptr %a331
+  call void @finch_str_drop(ptr %a331)
+  %t332 = load { ptr, i64, i64 }, ptr %a328
+  store { ptr, i64, i64 } %t332, ptr %a334
+  store { ptr, i64, i64 } { ptr @.str.5768, i64 1, i64 0 }, ptr %a335
+  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
+  store { ptr, i64, i64 } %t332, ptr %a336
+  call void @finch_str_drop(ptr %a336)
+  %t337 = load { ptr, i64, i64 }, ptr %a333
+  %t338 = call { ptr, i64, i64 } @finch.gen.op(ptr %t305, { ptr, i64, i64 } %t337)
+  store { ptr, i64, i64 } %t337, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  store { ptr, i64, i64 } %t338, ptr %a340
+  %t341 = load ptr, ptr %a1
+  %t342 = load { ptr, i64, i64 }, ptr %a340
+  store { ptr, i64, i64 } { ptr @.str.5769, i64 12, i64 0 }, ptr %a344
+  store { ptr, i64, i64 } %t342, ptr %a345
+  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
+  %t346 = load { ptr, i64, i64 }, ptr %a343
+  store { ptr, i64, i64 } %t346, ptr %a348
+  store { ptr, i64, i64 } { ptr @.str.5770, i64 3, i64 0 }, ptr %a349
+  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
+  store { ptr, i64, i64 } %t346, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  %t351 = load { ptr, i64, i64 }, ptr %a347
+  %t352 = call { ptr, i64, i64 } @finch.gen.op(ptr %t341, { ptr, i64, i64 } %t351)
+  store { ptr, i64, i64 } %t351, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  store { ptr, i64, i64 } %t352, ptr %a354
+  %t355 = load ptr, ptr %a1
+  %t356 = load %S.gen.Val, ptr %a200
+  call void @finch.gen.release(ptr %t355, %S.gen.Val %t356)
+  %t357 = load { ptr, i64, i64 }, ptr %a354
+  store { ptr, i64, i64 } %t357, ptr %a358
+  call void @finch_str_copy(ptr %a359, ptr %a358)
+  %t360 = load { ptr, i64, i64 }, ptr %a359
+  %t361 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t360, 0
+  %t362 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5771, i64 4, i64 0 })
+  %t363 = insertvalue %S.gen.Val %t361, %S.ast.Type %t362, 1
+  call void @finch_str_drop(ptr %a354)
+  call void @finch_str_drop(ptr %a340)
+  call void @finch_str_drop(ptr %a297)
+  call void @finch_str_drop(ptr %a204)
+  call void @finch.drop.S_gen_Val(ptr %a200)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t363
+endif8609:
+  %t364 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t364, ptr %a365
+  store { ptr, i64, i64 } { ptr @.str.5772, i64 4, i64 0 }, ptr %a366
+  %t367 = call i32 @finch_str_eq(ptr %a365, ptr %a366)
+  %t368 = icmp ne i32 %t367, 0
+  br label %logic.from8621
+logic.from8621:
+  br i1 %t368, label %logic.end8623, label %logic.rhs8622
+logic.rhs8622:
+  %t369 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t369, ptr %a370
+  store { ptr, i64, i64 } { ptr @.str.5773, i64 5, i64 0 }, ptr %a371
+  %t372 = call i32 @finch_str_eq(ptr %a370, ptr %a371)
+  %t373 = icmp ne i32 %t372, 0
+  br label %logic.rend8624
+logic.rend8624:
+  br label %logic.end8623
+logic.end8623:
+  %t374 = phi i1 [ true, %logic.from8621 ], [ %t373, %logic.rend8624 ]
+  br label %logic.from8625
+logic.from8625:
+  br i1 %t374, label %logic.end8627, label %logic.rhs8626
+logic.rhs8626:
+  %t375 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t375, ptr %a376
+  store { ptr, i64, i64 } { ptr @.str.5774, i64 5, i64 0 }, ptr %a377
+  %t378 = call i32 @finch_str_eq(ptr %a376, ptr %a377)
+  %t379 = icmp ne i32 %t378, 0
+  br label %logic.rend8628
+logic.rend8628:
+  br label %logic.end8627
+logic.end8627:
+  %t380 = phi i1 [ true, %logic.from8625 ], [ %t379, %logic.rend8628 ]
+  br i1 %t380, label %then8629, label %endif8631
+then8629:
+  %t381 = load ptr, ptr %a1
+  %t382 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t381, %S.ast.Node %t382, i64 0)
+  %t383 = load ptr, ptr %a1
+  %t384 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.5775, i64 21, i64 0 }, ptr %a386
+  store { ptr, i64, i64 } %t384, ptr %a387
+  call void @finch_str_concat(ptr %a385, ptr %a386, ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a385
+  store { ptr, i64, i64 } %t388, ptr %a390
+  store { ptr, i64, i64 } { ptr @.str.5776, i64 5, i64 0 }, ptr %a391
   call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
-  %t392 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t392, ptr %a394
-  store { ptr, i64, i64 } { ptr @.str.5572, i64 6, i64 0 }, ptr %a395
-  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
-  %t396 = load { ptr, i64, i64 }, ptr %a393
-  %t397 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t396, ptr %a399
-  store { ptr, i64, i64 } %t397, ptr %a400
-  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
-  %t401 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } %t401, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.5573, i64 6, i64 0 }, ptr %a404
-  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
-  %t405 = load { ptr, i64, i64 }, ptr %a402
-  %t406 = load { ptr, i64, i64 }, ptr %a374
+  store { ptr, i64, i64 } %t388, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  %t394 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t393, ptr %a396
+  store { ptr, i64, i64 } %t394, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t393, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  store { ptr, i64, i64 } %t399, ptr %a401
+  store { ptr, i64, i64 } { ptr @.str.5777, i64 6, i64 0 }, ptr %a402
+  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
+  store { ptr, i64, i64 } %t399, ptr %a403
+  call void @finch_str_drop(ptr %a403)
+  %t404 = load { ptr, i64, i64 }, ptr %a400
+  %t405 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t404, ptr %a407
   store { ptr, i64, i64 } %t405, ptr %a408
-  store { ptr, i64, i64 } %t406, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
+  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
+  store { ptr, i64, i64 } %t404, ptr %a409
+  call void @finch_str_drop(ptr %a409)
+  %t410 = load { ptr, i64, i64 }, ptr %a406
   store { ptr, i64, i64 } %t410, ptr %a412
-  store { ptr, i64, i64 } { ptr @.str.5574, i64 6, i64 0 }, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.5778, i64 1, i64 0 }, ptr %a413
   call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
-  %t414 = load { ptr, i64, i64 }, ptr %a411
-  %t415 = load { ptr, i64, i64 }, ptr %a386
-  store { ptr, i64, i64 } %t414, ptr %a417
-  store { ptr, i64, i64 } %t415, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  store { ptr, i64, i64 } %t419, ptr %a421
-  store { ptr, i64, i64 } { ptr @.str.5575, i64 1, i64 0 }, ptr %a422
-  call void @finch_str_concat(ptr %a420, ptr %a421, ptr %a422)
-  %t423 = load { ptr, i64, i64 }, ptr %a420
-  call void @finch.gen.emit(ptr %t387, { ptr, i64, i64 } %t423)
-  %t424 = load ptr, ptr %a1
-  %t425 = load { ptr, i64, i64 }, ptr %a12
-  %t426 = call { ptr, i64, i64 } @finch.gen.load(ptr %t424, { ptr, i64, i64 } { ptr @.str.5576, i64 17, i64 0 }, { ptr, i64, i64 } %t425)
-  %t427 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t426, 0
-  %t428 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5577, i64 3, i64 0 })
-  %t429 = insertvalue %S.gen.Val %t427, %S.ast.Type %t428, 1
-  %t430 = insertvalue %S.gen.Val %t429, i1 true, 2
-  ret %S.gen.Val %t430
-endif8170:
-  %t431 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t431, ptr %a432
-  store { ptr, i64, i64 } { ptr @.str.5578, i64 5, i64 0 }, ptr %a433
-  %t434 = call i32 @finch_str_eq(ptr %a432, ptr %a433)
-  %t435 = icmp ne i32 %t434, 0
-  br i1 %t435, label %then8175, label %endif8177
-then8175:
-  %t436 = load ptr, ptr %a1
-  %t437 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t436, %S.ast.Node %t437, i64 1)
-  %t438 = load ptr, ptr %a1
-  %t439 = load ptr, ptr %a1
-  %t440 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t441 = load { ptr, i64, i64 }, ptr %t440
-  %t442 = extractvalue { ptr, i64, i64 } %t441, 1
-  %t443 = icmp uge i64 1, %t442
-  br i1 %t443, label %range8178, label %inrange8179
-range8178:
-  call void @finch_panic_index(ptr @.str.5579, i64 5007, i64 1, i64 %t442)
+  store { ptr, i64, i64 } %t410, ptr %a414
+  call void @finch_str_drop(ptr %a414)
+  %t415 = load { ptr, i64, i64 }, ptr %a411
+  call void @finch.gen.emit(ptr %t383, { ptr, i64, i64 } %t415)
+  store { ptr, i64, i64 } %t415, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = load ptr, ptr %a1
+  %t418 = load { ptr, i64, i64 }, ptr %a12
+  %t419 = call { ptr, i64, i64 } @finch.gen.load(ptr %t417, { ptr, i64, i64 } { ptr @.str.5779, i64 17, i64 0 }, { ptr, i64, i64 } %t418)
+  %t420 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t419, 0
+  %t421 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5780, i64 3, i64 0 })
+  %t422 = insertvalue %S.gen.Val %t420, %S.ast.Type %t421, 1
+  %t423 = insertvalue %S.gen.Val %t422, i1 true, 2
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t423
+endif8631:
+  %t424 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t424, ptr %a425
+  store { ptr, i64, i64 } { ptr @.str.5781, i64 7, i64 0 }, ptr %a426
+  %t427 = call i32 @finch_str_eq(ptr %a425, ptr %a426)
+  %t428 = icmp ne i32 %t427, 0
+  br i1 %t428, label %then8632, label %endif8634
+then8632:
+  %t429 = load ptr, ptr %a1
+  %t430 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t429, %S.ast.Node %t430, i64 2)
+  %t431 = load ptr, ptr %a1
+  %t432 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t433 = load { ptr, i64, i64 }, ptr %t432
+  %t434 = extractvalue { ptr, i64, i64 } %t433, 1
+  %t435 = icmp uge i64 1, %t434
+  br i1 %t435, label %range8635, label %inrange8636
+range8635:
+  call void @finch_panic_index(ptr @.str.5782, i64 5420, i64 1, i64 %t434)
   unreachable
-inrange8179:
-  %t444 = extractvalue { ptr, i64, i64 } %t441, 0
-  %t445 = getelementptr inbounds %S.ast.Node, ptr %t444, i64 1
-  %t446 = load %S.ast.Node, ptr %t445
-  %t447 = call %S.gen.Val @finch.gen.strArg(ptr %t439, %S.ast.Node %t446, { ptr, i64, i64 } { ptr @.str.5580, i64 13, i64 0 })
-  %t448 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t438, %S.gen.Val %t447)
-  store { ptr, i64, i64 } %t448, ptr %a449
-  %t450 = load ptr, ptr %a1
-  %t451 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t450)
-  store { ptr, i64, i64 } %t451, ptr %a452
-  %t453 = load ptr, ptr %a1
-  %t454 = load { ptr, i64, i64 }, ptr %a452
-  store { ptr, i64, i64 } { ptr @.str.5581, i64 31, i64 0 }, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
-  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
-  %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.5582, i64 6, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t462, ptr %a465
-  store { ptr, i64, i64 } %t463, ptr %a466
-  call void @finch_str_concat(ptr %a464, ptr %a465, ptr %a466)
-  %t467 = load { ptr, i64, i64 }, ptr %a464
-  store { ptr, i64, i64 } %t467, ptr %a469
-  store { ptr, i64, i64 } { ptr @.str.5583, i64 6, i64 0 }, ptr %a470
-  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
-  %t471 = load { ptr, i64, i64 }, ptr %a468
-  %t472 = load { ptr, i64, i64 }, ptr %a449
-  store { ptr, i64, i64 } %t471, ptr %a474
-  store { ptr, i64, i64 } %t472, ptr %a475
-  call void @finch_str_concat(ptr %a473, ptr %a474, ptr %a475)
-  %t476 = load { ptr, i64, i64 }, ptr %a473
-  store { ptr, i64, i64 } %t476, ptr %a478
-  store { ptr, i64, i64 } { ptr @.str.5584, i64 1, i64 0 }, ptr %a479
-  call void @finch_str_concat(ptr %a477, ptr %a478, ptr %a479)
-  %t480 = load { ptr, i64, i64 }, ptr %a477
-  call void @finch.gen.emit(ptr %t453, { ptr, i64, i64 } %t480)
-  %t481 = load ptr, ptr %a1
-  %t482 = load { ptr, i64, i64 }, ptr %a452
-  %t483 = call { ptr, i64, i64 } @finch.gen.load(ptr %t481, { ptr, i64, i64 } { ptr @.str.5585, i64 17, i64 0 }, { ptr, i64, i64 } %t482)
-  %t484 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t483, 0
-  %t485 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5586, i64 3, i64 0 })
-  %t486 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t485)
-  %t487 = insertvalue %S.gen.Val %t484, %S.ast.Type %t486, 1
-  %t488 = insertvalue %S.gen.Val %t487, i1 true, 2
-  ret %S.gen.Val %t488
-endif8177:
-  %t489 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t489, ptr %a490
-  store { ptr, i64, i64 } { ptr @.str.5587, i64 6, i64 0 }, ptr %a491
-  %t492 = call i32 @finch_str_eq(ptr %a490, ptr %a491)
-  %t493 = icmp ne i32 %t492, 0
-  br i1 %t493, label %then8180, label %endif8182
-then8180:
-  %t494 = load ptr, ptr %a1
-  %t495 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t494, %S.ast.Node %t495, i64 1)
-  %t496 = load ptr, ptr %a1
-  %t497 = load ptr, ptr %a1
-  %t498 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t499 = load { ptr, i64, i64 }, ptr %t498
-  %t500 = extractvalue { ptr, i64, i64 } %t499, 1
-  %t501 = icmp uge i64 1, %t500
-  br i1 %t501, label %range8183, label %inrange8184
-range8183:
-  call void @finch_panic_index(ptr @.str.5588, i64 5014, i64 1, i64 %t500)
+inrange8636:
+  %t436 = extractvalue { ptr, i64, i64 } %t433, 0
+  %t437 = getelementptr inbounds %S.ast.Node, ptr %t436, i64 1
+  %t438 = load %S.ast.Node, ptr %t437
+  %t439 = call %S.gen.Val @finch.gen.strArg(ptr %t431, %S.ast.Node %t438, { ptr, i64, i64 } { ptr @.str.5783, i64 19, i64 0 })
+  store %S.gen.Val %t439, ptr %a440
+  %t441 = load ptr, ptr %a1
+  %t442 = icmp eq ptr %t441, null
+  br i1 %t442, label %panic8637, label %ok8638
+panic8637:
+  call void @finch_panic(ptr @.str.5784, i64 5421, ptr @.str.5785)
   unreachable
-inrange8184:
-  %t502 = extractvalue { ptr, i64, i64 } %t499, 0
-  %t503 = getelementptr inbounds %S.ast.Node, ptr %t502, i64 1
-  %t504 = load %S.ast.Node, ptr %t503
-  %t505 = call %S.gen.Val @finch.gen.expr(ptr %t497, %S.ast.Node %t504)
-  %t506 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5589, i64 3, i64 0 })
-  %t507 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t508 = load { ptr, i64, i64 }, ptr %t507
-  %t509 = extractvalue { ptr, i64, i64 } %t508, 1
-  %t510 = icmp uge i64 1, %t509
-  br i1 %t510, label %range8185, label %inrange8186
-range8185:
-  call void @finch_panic_index(ptr @.str.5590, i64 5014, i64 1, i64 %t509)
+ok8638:
+  %t443 = getelementptr inbounds %S.gen.Gen, ptr %t441, i32 0, i32 11
+  %t444 = getelementptr inbounds { ptr, i64, i64 }, ptr %t443, i32 0, i32 1
+  %t445 = load i64, ptr %t444
+  store i64 %t445, ptr %a446
+  %t447 = load ptr, ptr %a1
+  %t448 = load %S.gen.Val, ptr %a440
+  call void @finch.gen.hold(ptr %t447, %S.gen.Val %t448)
+  %t449 = load ptr, ptr %a1
+  %t450 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t451 = load { ptr, i64, i64 }, ptr %t450
+  %t452 = extractvalue { ptr, i64, i64 } %t451, 1
+  %t453 = icmp uge i64 2, %t452
+  br i1 %t453, label %range8639, label %inrange8640
+range8639:
+  call void @finch_panic_index(ptr @.str.5786, i64 5423, i64 2, i64 %t452)
   unreachable
-inrange8186:
-  %t511 = extractvalue { ptr, i64, i64 } %t508, 0
-  %t512 = getelementptr inbounds %S.ast.Node, ptr %t511, i64 1
-  %t513 = load %S.ast.Node, ptr %t512
-  %t514 = call %S.gen.Val @finch.gen.coerce(ptr %t496, %S.gen.Val %t505, %S.ast.Type %t506, %S.ast.Node %t513, { ptr, i64, i64 } { ptr @.str.5591, i64 9, i64 0 })
-  %t515 = extractvalue %S.gen.Val %t514, 0
-  store { ptr, i64, i64 } %t515, ptr %a516
-  call void @finch_str_copy(ptr %a517, ptr %a516)
-  %t518 = load { ptr, i64, i64 }, ptr %a517
-  store { ptr, i64, i64 } %t518, ptr %a519
-  %t520 = load ptr, ptr %a1
-  %t521 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.5592, i64 32, i64 0 }, ptr %a523
-  store { ptr, i64, i64 } %t521, ptr %a524
-  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
-  %t525 = load { ptr, i64, i64 }, ptr %a522
-  store { ptr, i64, i64 } %t525, ptr %a527
-  store { ptr, i64, i64 } { ptr @.str.5593, i64 6, i64 0 }, ptr %a528
-  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
-  %t529 = load { ptr, i64, i64 }, ptr %a526
-  %t530 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t529, ptr %a532
-  store { ptr, i64, i64 } %t530, ptr %a533
-  call void @finch_str_concat(ptr %a531, ptr %a532, ptr %a533)
-  %t534 = load { ptr, i64, i64 }, ptr %a531
-  store { ptr, i64, i64 } %t534, ptr %a536
-  store { ptr, i64, i64 } { ptr @.str.5594, i64 6, i64 0 }, ptr %a537
-  call void @finch_str_concat(ptr %a535, ptr %a536, ptr %a537)
-  %t538 = load { ptr, i64, i64 }, ptr %a535
-  %t539 = load { ptr, i64, i64 }, ptr %a519
-  store { ptr, i64, i64 } %t538, ptr %a541
-  store { ptr, i64, i64 } %t539, ptr %a542
-  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
-  %t543 = load { ptr, i64, i64 }, ptr %a540
-  store { ptr, i64, i64 } %t543, ptr %a545
-  store { ptr, i64, i64 } { ptr @.str.5595, i64 1, i64 0 }, ptr %a546
-  call void @finch_str_concat(ptr %a544, ptr %a545, ptr %a546)
-  %t547 = load { ptr, i64, i64 }, ptr %a544
-  call void @finch.gen.emit(ptr %t520, { ptr, i64, i64 } %t547)
-  %t548 = load ptr, ptr %a1
-  %t549 = load { ptr, i64, i64 }, ptr %a12
-  %t550 = call { ptr, i64, i64 } @finch.gen.load(ptr %t548, { ptr, i64, i64 } { ptr @.str.5596, i64 17, i64 0 }, { ptr, i64, i64 } %t549)
-  %t551 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t550, 0
-  %t552 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5597, i64 3, i64 0 })
-  %t553 = insertvalue %S.gen.Val %t551, %S.ast.Type %t552, 1
-  %t554 = insertvalue %S.gen.Val %t553, i1 true, 2
-  ret %S.gen.Val %t554
-endif8182:
-  %t555 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t555, ptr %a556
-  store { ptr, i64, i64 } { ptr @.str.5598, i64 5, i64 0 }, ptr %a557
-  %t558 = call i32 @finch_str_eq(ptr %a556, ptr %a557)
-  %t559 = icmp ne i32 %t558, 0
-  br i1 %t559, label %then8187, label %endif8189
-then8187:
-  %t560 = load ptr, ptr %a1
-  %t561 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t560, %S.ast.Node %t561, i64 0)
-  %t562 = load ptr, ptr %a1
-  %t563 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t562)
-  store { ptr, i64, i64 } %t563, ptr %a564
-  %t565 = load ptr, ptr %a1
-  %t566 = load { ptr, i64, i64 }, ptr %a564
-  store { ptr, i64, i64 } { ptr @.str.5599, i64 36, i64 0 }, ptr %a568
-  store { ptr, i64, i64 } %t566, ptr %a569
-  call void @finch_str_concat(ptr %a567, ptr %a568, ptr %a569)
-  %t570 = load { ptr, i64, i64 }, ptr %a567
-  store { ptr, i64, i64 } %t570, ptr %a572
-  store { ptr, i64, i64 } { ptr @.str.5600, i64 6, i64 0 }, ptr %a573
-  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
-  %t574 = load { ptr, i64, i64 }, ptr %a571
-  %t575 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t574, ptr %a577
-  store { ptr, i64, i64 } %t575, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  store { ptr, i64, i64 } %t579, ptr %a581
-  store { ptr, i64, i64 } { ptr @.str.5601, i64 1, i64 0 }, ptr %a582
-  call void @finch_str_concat(ptr %a580, ptr %a581, ptr %a582)
-  %t583 = load { ptr, i64, i64 }, ptr %a580
-  call void @finch.gen.emit(ptr %t565, { ptr, i64, i64 } %t583)
-  %t584 = load ptr, ptr %a1
-  %t585 = load { ptr, i64, i64 }, ptr %a564
-  %t586 = call { ptr, i64, i64 } @finch.gen.load(ptr %t584, { ptr, i64, i64 } { ptr @.str.5602, i64 17, i64 0 }, { ptr, i64, i64 } %t585)
-  %t587 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t586, 0
-  %t588 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5603, i64 2, i64 0 })
-  %t589 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t588)
-  %t590 = insertvalue %S.gen.Val %t587, %S.ast.Type %t589, 1
-  %t591 = insertvalue %S.gen.Val %t590, i1 true, 2
-  ret %S.gen.Val %t591
-endif8189:
-  %t592 = load ptr, ptr %a1
-  %t593 = load %S.ast.Node, ptr %a2
+inrange8640:
+  %t454 = extractvalue { ptr, i64, i64 } %t451, 0
+  %t455 = getelementptr inbounds %S.ast.Node, ptr %t454, i64 2
+  %t456 = load %S.ast.Node, ptr %t455
+  %t457 = call %S.gen.Val @finch.gen.strArg(ptr %t449, %S.ast.Node %t456, { ptr, i64, i64 } { ptr @.str.5787, i64 12, i64 0 })
+  store %S.gen.Val %t457, ptr %a458
+  %t459 = load ptr, ptr %a1
+  %t460 = load i64, ptr %a446
+  call void @finch.gen.heldEnd(ptr %t459, i64 %t460)
+  %t461 = load ptr, ptr %a1
+  %t462 = load %S.gen.Val, ptr %a440
+  %t463 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t461, %S.gen.Val %t462)
+  store { ptr, i64, i64 } %t463, ptr %a464
+  %t465 = load ptr, ptr %a1
+  %t466 = load %S.gen.Val, ptr %a458
+  %t467 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t465, %S.gen.Val %t466)
+  store { ptr, i64, i64 } %t467, ptr %a468
+  %t469 = load ptr, ptr %a1
+  %t470 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.5788, i64 33, i64 0 }, ptr %a472
+  store { ptr, i64, i64 } %t470, ptr %a473
+  call void @finch_str_concat(ptr %a471, ptr %a472, ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a471
+  store { ptr, i64, i64 } %t474, ptr %a476
+  store { ptr, i64, i64 } { ptr @.str.5789, i64 6, i64 0 }, ptr %a477
+  call void @finch_str_concat(ptr %a475, ptr %a476, ptr %a477)
+  store { ptr, i64, i64 } %t474, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  %t479 = load { ptr, i64, i64 }, ptr %a475
+  %t480 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t479, ptr %a482
+  store { ptr, i64, i64 } %t480, ptr %a483
+  call void @finch_str_concat(ptr %a481, ptr %a482, ptr %a483)
+  store { ptr, i64, i64 } %t479, ptr %a484
+  call void @finch_str_drop(ptr %a484)
+  %t485 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } %t485, ptr %a487
+  store { ptr, i64, i64 } { ptr @.str.5790, i64 6, i64 0 }, ptr %a488
+  call void @finch_str_concat(ptr %a486, ptr %a487, ptr %a488)
+  store { ptr, i64, i64 } %t485, ptr %a489
+  call void @finch_str_drop(ptr %a489)
+  %t490 = load { ptr, i64, i64 }, ptr %a486
+  %t491 = load { ptr, i64, i64 }, ptr %a464
+  store { ptr, i64, i64 } %t490, ptr %a493
+  store { ptr, i64, i64 } %t491, ptr %a494
+  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
+  store { ptr, i64, i64 } %t490, ptr %a495
+  call void @finch_str_drop(ptr %a495)
+  %t496 = load { ptr, i64, i64 }, ptr %a492
+  store { ptr, i64, i64 } %t496, ptr %a498
+  store { ptr, i64, i64 } { ptr @.str.5791, i64 6, i64 0 }, ptr %a499
+  call void @finch_str_concat(ptr %a497, ptr %a498, ptr %a499)
+  store { ptr, i64, i64 } %t496, ptr %a500
+  call void @finch_str_drop(ptr %a500)
+  %t501 = load { ptr, i64, i64 }, ptr %a497
+  %t502 = load { ptr, i64, i64 }, ptr %a468
+  store { ptr, i64, i64 } %t501, ptr %a504
+  store { ptr, i64, i64 } %t502, ptr %a505
+  call void @finch_str_concat(ptr %a503, ptr %a504, ptr %a505)
+  store { ptr, i64, i64 } %t501, ptr %a506
+  call void @finch_str_drop(ptr %a506)
+  %t507 = load { ptr, i64, i64 }, ptr %a503
+  store { ptr, i64, i64 } %t507, ptr %a509
+  store { ptr, i64, i64 } { ptr @.str.5792, i64 1, i64 0 }, ptr %a510
+  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
+  store { ptr, i64, i64 } %t507, ptr %a511
+  call void @finch_str_drop(ptr %a511)
+  %t512 = load { ptr, i64, i64 }, ptr %a508
+  call void @finch.gen.emit(ptr %t469, { ptr, i64, i64 } %t512)
+  store { ptr, i64, i64 } %t512, ptr %a513
+  call void @finch_str_drop(ptr %a513)
+  %t514 = load ptr, ptr %a1
+  %t515 = load %S.gen.Val, ptr %a440
+  call void @finch.gen.release(ptr %t514, %S.gen.Val %t515)
+  %t516 = load ptr, ptr %a1
+  %t517 = load %S.gen.Val, ptr %a458
+  call void @finch.gen.release(ptr %t516, %S.gen.Val %t517)
+  %t518 = load ptr, ptr %a1
+  %t519 = load { ptr, i64, i64 }, ptr %a12
+  %t520 = call { ptr, i64, i64 } @finch.gen.load(ptr %t518, { ptr, i64, i64 } { ptr @.str.5793, i64 17, i64 0 }, { ptr, i64, i64 } %t519)
+  %t521 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t520, 0
+  %t522 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5794, i64 3, i64 0 })
+  %t523 = insertvalue %S.gen.Val %t521, %S.ast.Type %t522, 1
+  %t524 = insertvalue %S.gen.Val %t523, i1 true, 2
+  call void @finch_str_drop(ptr %a468)
+  call void @finch_str_drop(ptr %a464)
+  call void @finch.drop.S_gen_Val(ptr %a458)
+  call void @finch.drop.S_gen_Val(ptr %a440)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t524
+endif8634:
+  %t525 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t525, ptr %a526
+  store { ptr, i64, i64 } { ptr @.str.5795, i64 5, i64 0 }, ptr %a527
+  %t528 = call i32 @finch_str_eq(ptr %a526, ptr %a527)
+  %t529 = icmp ne i32 %t528, 0
+  br i1 %t529, label %then8641, label %endif8643
+then8641:
+  %t530 = load ptr, ptr %a1
+  %t531 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t530, %S.ast.Node %t531, i64 1)
+  %t532 = load ptr, ptr %a1
+  %t533 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t534 = load { ptr, i64, i64 }, ptr %t533
+  %t535 = extractvalue { ptr, i64, i64 } %t534, 1
+  %t536 = icmp uge i64 1, %t535
+  br i1 %t536, label %range8644, label %inrange8645
+range8644:
+  call void @finch_panic_index(ptr @.str.5796, i64 5434, i64 1, i64 %t535)
+  unreachable
+inrange8645:
+  %t537 = extractvalue { ptr, i64, i64 } %t534, 0
+  %t538 = getelementptr inbounds %S.ast.Node, ptr %t537, i64 1
+  %t539 = load %S.ast.Node, ptr %t538
+  %t540 = call %S.gen.Val @finch.gen.strArg(ptr %t532, %S.ast.Node %t539, { ptr, i64, i64 } { ptr @.str.5797, i64 13, i64 0 })
+  store %S.gen.Val %t540, ptr %a541
+  %t542 = load ptr, ptr %a1
+  %t543 = load %S.gen.Val, ptr %a541
+  %t544 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t542, %S.gen.Val %t543)
+  store { ptr, i64, i64 } %t544, ptr %a545
+  %t546 = load ptr, ptr %a1
+  %t547 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t546)
+  store { ptr, i64, i64 } %t547, ptr %a548
+  %t549 = load ptr, ptr %a1
+  %t550 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } { ptr @.str.5798, i64 31, i64 0 }, ptr %a552
+  store { ptr, i64, i64 } %t550, ptr %a553
+  call void @finch_str_concat(ptr %a551, ptr %a552, ptr %a553)
+  %t554 = load { ptr, i64, i64 }, ptr %a551
+  store { ptr, i64, i64 } %t554, ptr %a556
+  store { ptr, i64, i64 } { ptr @.str.5799, i64 6, i64 0 }, ptr %a557
+  call void @finch_str_concat(ptr %a555, ptr %a556, ptr %a557)
+  store { ptr, i64, i64 } %t554, ptr %a558
+  call void @finch_str_drop(ptr %a558)
+  %t559 = load { ptr, i64, i64 }, ptr %a555
+  %t560 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t559, ptr %a562
+  store { ptr, i64, i64 } %t560, ptr %a563
+  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
+  store { ptr, i64, i64 } %t559, ptr %a564
+  call void @finch_str_drop(ptr %a564)
+  %t565 = load { ptr, i64, i64 }, ptr %a561
+  store { ptr, i64, i64 } %t565, ptr %a567
+  store { ptr, i64, i64 } { ptr @.str.5800, i64 6, i64 0 }, ptr %a568
+  call void @finch_str_concat(ptr %a566, ptr %a567, ptr %a568)
+  store { ptr, i64, i64 } %t565, ptr %a569
+  call void @finch_str_drop(ptr %a569)
+  %t570 = load { ptr, i64, i64 }, ptr %a566
+  %t571 = load { ptr, i64, i64 }, ptr %a545
+  store { ptr, i64, i64 } %t570, ptr %a573
+  store { ptr, i64, i64 } %t571, ptr %a574
+  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
+  store { ptr, i64, i64 } %t570, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  %t576 = load { ptr, i64, i64 }, ptr %a572
+  store { ptr, i64, i64 } %t576, ptr %a578
+  store { ptr, i64, i64 } { ptr @.str.5801, i64 1, i64 0 }, ptr %a579
+  call void @finch_str_concat(ptr %a577, ptr %a578, ptr %a579)
+  store { ptr, i64, i64 } %t576, ptr %a580
+  call void @finch_str_drop(ptr %a580)
+  %t581 = load { ptr, i64, i64 }, ptr %a577
+  call void @finch.gen.emit(ptr %t549, { ptr, i64, i64 } %t581)
+  store { ptr, i64, i64 } %t581, ptr %a582
+  call void @finch_str_drop(ptr %a582)
+  %t583 = load ptr, ptr %a1
+  %t584 = load %S.gen.Val, ptr %a541
+  call void @finch.gen.release(ptr %t583, %S.gen.Val %t584)
+  %t585 = load ptr, ptr %a1
+  %t586 = load { ptr, i64, i64 }, ptr %a548
+  %t587 = call { ptr, i64, i64 } @finch.gen.load(ptr %t585, { ptr, i64, i64 } { ptr @.str.5802, i64 17, i64 0 }, { ptr, i64, i64 } %t586)
+  %t588 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t587, 0
+  %t589 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5803, i64 3, i64 0 })
+  %t590 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t589)
+  store %S.ast.Type %t589, ptr %a591
+  call void @finch.drop.S_ast_Type(ptr %a591)
+  %t592 = insertvalue %S.gen.Val %t588, %S.ast.Type %t590, 1
+  %t593 = insertvalue %S.gen.Val %t592, i1 true, 2
+  call void @finch_str_drop(ptr %a548)
+  call void @finch_str_drop(ptr %a545)
+  call void @finch.drop.S_gen_Val(ptr %a541)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t593
+endif8643:
   %t594 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5604, i64 21, i64 0 }, ptr %a596
-  store { ptr, i64, i64 } %t594, ptr %a597
-  call void @finch_str_concat(ptr %a595, ptr %a596, ptr %a597)
-  %t598 = load { ptr, i64, i64 }, ptr %a595
-  store { ptr, i64, i64 } %t598, ptr %a600
-  store { ptr, i64, i64 } { ptr @.str.5605, i64 106, i64 0 }, ptr %a601
-  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
-  %t602 = load { ptr, i64, i64 }, ptr %a599
-  call void @finch.gen.fail(ptr %t592, %S.ast.Node %t593, { ptr, i64, i64 } %t602)
+  store { ptr, i64, i64 } %t594, ptr %a595
+  store { ptr, i64, i64 } { ptr @.str.5804, i64 6, i64 0 }, ptr %a596
+  %t597 = call i32 @finch_str_eq(ptr %a595, ptr %a596)
+  %t598 = icmp ne i32 %t597, 0
+  br i1 %t598, label %then8646, label %endif8648
+then8646:
+  %t599 = load ptr, ptr %a1
+  %t600 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t599, %S.ast.Node %t600, i64 1)
+  %t601 = load ptr, ptr %a1
+  %t602 = load ptr, ptr %a1
+  %t603 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t604 = load { ptr, i64, i64 }, ptr %t603
+  %t605 = extractvalue { ptr, i64, i64 } %t604, 1
+  %t606 = icmp uge i64 1, %t605
+  br i1 %t606, label %range8649, label %inrange8650
+range8649:
+  call void @finch_panic_index(ptr @.str.5805, i64 5443, i64 1, i64 %t605)
+  unreachable
+inrange8650:
+  %t607 = extractvalue { ptr, i64, i64 } %t604, 0
+  %t608 = getelementptr inbounds %S.ast.Node, ptr %t607, i64 1
+  %t609 = load %S.ast.Node, ptr %t608
+  %t610 = call %S.gen.Val @finch.gen.expr(ptr %t602, %S.ast.Node %t609)
+  %t611 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5806, i64 3, i64 0 })
+  %t612 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t613 = load { ptr, i64, i64 }, ptr %t612
+  %t614 = extractvalue { ptr, i64, i64 } %t613, 1
+  %t615 = icmp uge i64 1, %t614
+  br i1 %t615, label %range8651, label %inrange8652
+range8651:
+  call void @finch_panic_index(ptr @.str.5807, i64 5443, i64 1, i64 %t614)
+  unreachable
+inrange8652:
+  %t616 = extractvalue { ptr, i64, i64 } %t613, 0
+  %t617 = getelementptr inbounds %S.ast.Node, ptr %t616, i64 1
+  %t618 = load %S.ast.Node, ptr %t617
+  %t619 = call %S.gen.Val @finch.gen.coerce(ptr %t601, %S.gen.Val %t610, %S.ast.Type %t611, %S.ast.Node %t618, { ptr, i64, i64 } { ptr @.str.5808, i64 9, i64 0 })
+  store %S.gen.Val %t610, ptr %a620
+  call void @finch.drop.S_gen_Val(ptr %a620)
+  store %S.ast.Type %t611, ptr %a621
+  call void @finch.drop.S_ast_Type(ptr %a621)
+  %t622 = extractvalue %S.gen.Val %t619, 0
+  store { ptr, i64, i64 } %t622, ptr %a623
+  call void @finch_str_copy(ptr %a624, ptr %a623)
+  %t625 = load { ptr, i64, i64 }, ptr %a624
+  store %S.gen.Val %t619, ptr %a626
+  call void @finch.drop.S_gen_Val(ptr %a626)
+  store { ptr, i64, i64 } %t625, ptr %a627
+  %t628 = load ptr, ptr %a1
+  %t629 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.5809, i64 32, i64 0 }, ptr %a631
+  store { ptr, i64, i64 } %t629, ptr %a632
+  call void @finch_str_concat(ptr %a630, ptr %a631, ptr %a632)
+  %t633 = load { ptr, i64, i64 }, ptr %a630
+  store { ptr, i64, i64 } %t633, ptr %a635
+  store { ptr, i64, i64 } { ptr @.str.5810, i64 6, i64 0 }, ptr %a636
+  call void @finch_str_concat(ptr %a634, ptr %a635, ptr %a636)
+  store { ptr, i64, i64 } %t633, ptr %a637
+  call void @finch_str_drop(ptr %a637)
+  %t638 = load { ptr, i64, i64 }, ptr %a634
+  %t639 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t638, ptr %a641
+  store { ptr, i64, i64 } %t639, ptr %a642
+  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
+  store { ptr, i64, i64 } %t638, ptr %a643
+  call void @finch_str_drop(ptr %a643)
+  %t644 = load { ptr, i64, i64 }, ptr %a640
+  store { ptr, i64, i64 } %t644, ptr %a646
+  store { ptr, i64, i64 } { ptr @.str.5811, i64 6, i64 0 }, ptr %a647
+  call void @finch_str_concat(ptr %a645, ptr %a646, ptr %a647)
+  store { ptr, i64, i64 } %t644, ptr %a648
+  call void @finch_str_drop(ptr %a648)
+  %t649 = load { ptr, i64, i64 }, ptr %a645
+  %t650 = load { ptr, i64, i64 }, ptr %a627
+  store { ptr, i64, i64 } %t649, ptr %a652
+  store { ptr, i64, i64 } %t650, ptr %a653
+  call void @finch_str_concat(ptr %a651, ptr %a652, ptr %a653)
+  store { ptr, i64, i64 } %t649, ptr %a654
+  call void @finch_str_drop(ptr %a654)
+  %t655 = load { ptr, i64, i64 }, ptr %a651
+  store { ptr, i64, i64 } %t655, ptr %a657
+  store { ptr, i64, i64 } { ptr @.str.5812, i64 1, i64 0 }, ptr %a658
+  call void @finch_str_concat(ptr %a656, ptr %a657, ptr %a658)
+  store { ptr, i64, i64 } %t655, ptr %a659
+  call void @finch_str_drop(ptr %a659)
+  %t660 = load { ptr, i64, i64 }, ptr %a656
+  call void @finch.gen.emit(ptr %t628, { ptr, i64, i64 } %t660)
+  store { ptr, i64, i64 } %t660, ptr %a661
+  call void @finch_str_drop(ptr %a661)
+  %t662 = load ptr, ptr %a1
+  %t663 = load { ptr, i64, i64 }, ptr %a12
+  %t664 = call { ptr, i64, i64 } @finch.gen.load(ptr %t662, { ptr, i64, i64 } { ptr @.str.5813, i64 17, i64 0 }, { ptr, i64, i64 } %t663)
+  %t665 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t664, 0
+  %t666 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5814, i64 3, i64 0 })
+  %t667 = insertvalue %S.gen.Val %t665, %S.ast.Type %t666, 1
+  %t668 = insertvalue %S.gen.Val %t667, i1 true, 2
+  call void @finch_str_drop(ptr %a627)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t668
+endif8648:
+  %t669 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t669, ptr %a670
+  store { ptr, i64, i64 } { ptr @.str.5815, i64 5, i64 0 }, ptr %a671
+  %t672 = call i32 @finch_str_eq(ptr %a670, ptr %a671)
+  %t673 = icmp ne i32 %t672, 0
+  br i1 %t673, label %then8653, label %endif8655
+then8653:
+  %t674 = load ptr, ptr %a1
+  %t675 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t674, %S.ast.Node %t675, i64 0)
+  %t676 = load ptr, ptr %a1
+  %t677 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t676)
+  store { ptr, i64, i64 } %t677, ptr %a678
+  %t679 = load ptr, ptr %a1
+  %t680 = load { ptr, i64, i64 }, ptr %a678
+  store { ptr, i64, i64 } { ptr @.str.5816, i64 36, i64 0 }, ptr %a682
+  store { ptr, i64, i64 } %t680, ptr %a683
+  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
+  %t684 = load { ptr, i64, i64 }, ptr %a681
+  store { ptr, i64, i64 } %t684, ptr %a686
+  store { ptr, i64, i64 } { ptr @.str.5817, i64 6, i64 0 }, ptr %a687
+  call void @finch_str_concat(ptr %a685, ptr %a686, ptr %a687)
+  store { ptr, i64, i64 } %t684, ptr %a688
+  call void @finch_str_drop(ptr %a688)
+  %t689 = load { ptr, i64, i64 }, ptr %a685
+  %t690 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t689, ptr %a692
+  store { ptr, i64, i64 } %t690, ptr %a693
+  call void @finch_str_concat(ptr %a691, ptr %a692, ptr %a693)
+  store { ptr, i64, i64 } %t689, ptr %a694
+  call void @finch_str_drop(ptr %a694)
+  %t695 = load { ptr, i64, i64 }, ptr %a691
+  store { ptr, i64, i64 } %t695, ptr %a697
+  store { ptr, i64, i64 } { ptr @.str.5818, i64 1, i64 0 }, ptr %a698
+  call void @finch_str_concat(ptr %a696, ptr %a697, ptr %a698)
+  store { ptr, i64, i64 } %t695, ptr %a699
+  call void @finch_str_drop(ptr %a699)
+  %t700 = load { ptr, i64, i64 }, ptr %a696
+  call void @finch.gen.emit(ptr %t679, { ptr, i64, i64 } %t700)
+  store { ptr, i64, i64 } %t700, ptr %a701
+  call void @finch_str_drop(ptr %a701)
+  %t702 = load ptr, ptr %a1
+  %t703 = load { ptr, i64, i64 }, ptr %a678
+  %t704 = call { ptr, i64, i64 } @finch.gen.load(ptr %t702, { ptr, i64, i64 } { ptr @.str.5819, i64 17, i64 0 }, { ptr, i64, i64 } %t703)
+  %t705 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t704, 0
+  %t706 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5820, i64 2, i64 0 })
+  %t707 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t706)
+  store %S.ast.Type %t706, ptr %a708
+  call void @finch.drop.S_ast_Type(ptr %a708)
+  %t709 = insertvalue %S.gen.Val %t705, %S.ast.Type %t707, 1
+  %t710 = insertvalue %S.gen.Val %t709, i1 true, 2
+  call void @finch_str_drop(ptr %a678)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t710
+endif8655:
+  %t711 = load ptr, ptr %a1
+  %t712 = load %S.ast.Node, ptr %a2
+  %t713 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.5821, i64 21, i64 0 }, ptr %a715
+  store { ptr, i64, i64 } %t713, ptr %a716
+  call void @finch_str_concat(ptr %a714, ptr %a715, ptr %a716)
+  %t717 = load { ptr, i64, i64 }, ptr %a714
+  store { ptr, i64, i64 } %t717, ptr %a719
+  store { ptr, i64, i64 } { ptr @.str.5822, i64 106, i64 0 }, ptr %a720
+  call void @finch_str_concat(ptr %a718, ptr %a719, ptr %a720)
+  store { ptr, i64, i64 } %t717, ptr %a721
+  call void @finch_str_drop(ptr %a721)
+  %t722 = load { ptr, i64, i64 }, ptr %a718
+  call void @finch.gen.fail(ptr %t711, %S.ast.Node %t712, { ptr, i64, i64 } %t722)
+  store { ptr, i64, i64 } %t722, ptr %a723
+  call void @finch_str_drop(ptr %a723)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
   ret %S.gen.Val zeroinitializer
 }
 
 define internal { ptr, i64, i64 } @finch.gen.runtimeDecls() {
 entry:
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %t1 = mul i64 71, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %t1 = mul i64 74, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t2 = call ptr @finch_alloc(i64 %t1)
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5606, i64 54, i64 0 }, ptr %t3
+  store { ptr, i64, i64 } { ptr @.str.5823, i64 54, i64 0 }, ptr %t3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5607, i64 65, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.5824, i64 65, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5608, i64 29, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.5825, i64 29, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5609, i64 38, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.5826, i64 38, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5610, i64 32, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.5827, i64 33, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5611, i64 45, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.5828, i64 33, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5612, i64 35, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.5829, i64 33, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5613, i64 36, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.5830, i64 32, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 8
-  store { ptr, i64, i64 } { ptr @.str.5614, i64 42, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.5831, i64 45, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 9
-  store { ptr, i64, i64 } { ptr @.str.5615, i64 37, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.5832, i64 35, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 10
-  store { ptr, i64, i64 } { ptr @.str.5616, i64 38, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.5833, i64 36, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 11
-  store { ptr, i64, i64 } { ptr @.str.5617, i64 42, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.5834, i64 42, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 12
-  store { ptr, i64, i64 } { ptr @.str.5618, i64 38, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.5835, i64 37, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 13
-  store { ptr, i64, i64 } { ptr @.str.5619, i64 37, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.5836, i64 38, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 14
-  store { ptr, i64, i64 } { ptr @.str.5620, i64 42, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.5837, i64 42, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 15
-  store { ptr, i64, i64 } { ptr @.str.5621, i64 42, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.5838, i64 38, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 16
-  store { ptr, i64, i64 } { ptr @.str.5622, i64 34, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.5839, i64 37, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 17
-  store { ptr, i64, i64 } { ptr @.str.5623, i64 42, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.5840, i64 42, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 18
-  store { ptr, i64, i64 } { ptr @.str.5624, i64 43, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.5841, i64 42, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 19
-  store { ptr, i64, i64 } { ptr @.str.5625, i64 47, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.5842, i64 34, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 20
-  store { ptr, i64, i64 } { ptr @.str.5626, i64 50, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.5843, i64 42, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 21
-  store { ptr, i64, i64 } { ptr @.str.5627, i64 43, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.5844, i64 43, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 22
-  store { ptr, i64, i64 } { ptr @.str.5628, i64 44, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.5845, i64 47, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 23
-  store { ptr, i64, i64 } { ptr @.str.5629, i64 49, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.5846, i64 50, i64 0 }, ptr %t26
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 24
-  store { ptr, i64, i64 } { ptr @.str.5630, i64 57, i64 0 }, ptr %t27
+  store { ptr, i64, i64 } { ptr @.str.5847, i64 43, i64 0 }, ptr %t27
   %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 25
-  store { ptr, i64, i64 } { ptr @.str.5631, i64 37, i64 0 }, ptr %t28
+  store { ptr, i64, i64 } { ptr @.str.5848, i64 44, i64 0 }, ptr %t28
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 26
-  store { ptr, i64, i64 } { ptr @.str.5632, i64 39, i64 0 }, ptr %t29
+  store { ptr, i64, i64 } { ptr @.str.5849, i64 49, i64 0 }, ptr %t29
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 27
-  store { ptr, i64, i64 } { ptr @.str.5633, i64 37, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.5850, i64 57, i64 0 }, ptr %t30
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 28
-  store { ptr, i64, i64 } { ptr @.str.5634, i64 38, i64 0 }, ptr %t31
+  store { ptr, i64, i64 } { ptr @.str.5851, i64 37, i64 0 }, ptr %t31
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 29
-  store { ptr, i64, i64 } { ptr @.str.5635, i64 39, i64 0 }, ptr %t32
+  store { ptr, i64, i64 } { ptr @.str.5852, i64 39, i64 0 }, ptr %t32
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 30
-  store { ptr, i64, i64 } { ptr @.str.5636, i64 39, i64 0 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.5853, i64 37, i64 0 }, ptr %t33
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 31
-  store { ptr, i64, i64 } { ptr @.str.5637, i64 51, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.5854, i64 38, i64 0 }, ptr %t34
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 32
-  store { ptr, i64, i64 } { ptr @.str.5638, i64 44, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.5855, i64 39, i64 0 }, ptr %t35
   %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 33
-  store { ptr, i64, i64 } { ptr @.str.5639, i64 43, i64 0 }, ptr %t36
+  store { ptr, i64, i64 } { ptr @.str.5856, i64 39, i64 0 }, ptr %t36
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 34
-  store { ptr, i64, i64 } { ptr @.str.5640, i64 45, i64 0 }, ptr %t37
+  store { ptr, i64, i64 } { ptr @.str.5857, i64 51, i64 0 }, ptr %t37
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 35
-  store { ptr, i64, i64 } { ptr @.str.5641, i64 44, i64 0 }, ptr %t38
+  store { ptr, i64, i64 } { ptr @.str.5858, i64 44, i64 0 }, ptr %t38
   %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 36
-  store { ptr, i64, i64 } { ptr @.str.5642, i64 52, i64 0 }, ptr %t39
+  store { ptr, i64, i64 } { ptr @.str.5859, i64 43, i64 0 }, ptr %t39
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 37
-  store { ptr, i64, i64 } { ptr @.str.5643, i64 57, i64 0 }, ptr %t40
+  store { ptr, i64, i64 } { ptr @.str.5860, i64 45, i64 0 }, ptr %t40
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 38
-  store { ptr, i64, i64 } { ptr @.str.5644, i64 48, i64 0 }, ptr %t41
+  store { ptr, i64, i64 } { ptr @.str.5861, i64 44, i64 0 }, ptr %t41
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 39
-  store { ptr, i64, i64 } { ptr @.str.5645, i64 34, i64 0 }, ptr %t42
+  store { ptr, i64, i64 } { ptr @.str.5862, i64 52, i64 0 }, ptr %t42
   %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 40
-  store { ptr, i64, i64 } { ptr @.str.5646, i64 48, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.5863, i64 57, i64 0 }, ptr %t43
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 41
-  store { ptr, i64, i64 } { ptr @.str.5647, i64 60, i64 0 }, ptr %t44
+  store { ptr, i64, i64 } { ptr @.str.5864, i64 48, i64 0 }, ptr %t44
   %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 42
-  store { ptr, i64, i64 } { ptr @.str.5648, i64 55, i64 0 }, ptr %t45
+  store { ptr, i64, i64 } { ptr @.str.5865, i64 34, i64 0 }, ptr %t45
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 43
-  store { ptr, i64, i64 } { ptr @.str.5649, i64 46, i64 0 }, ptr %t46
+  store { ptr, i64, i64 } { ptr @.str.5866, i64 48, i64 0 }, ptr %t46
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 44
-  store { ptr, i64, i64 } { ptr @.str.5650, i64 48, i64 0 }, ptr %t47
+  store { ptr, i64, i64 } { ptr @.str.5867, i64 60, i64 0 }, ptr %t47
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 45
-  store { ptr, i64, i64 } { ptr @.str.5651, i64 43, i64 0 }, ptr %t48
+  store { ptr, i64, i64 } { ptr @.str.5868, i64 55, i64 0 }, ptr %t48
   %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 46
-  store { ptr, i64, i64 } { ptr @.str.5652, i64 45, i64 0 }, ptr %t49
+  store { ptr, i64, i64 } { ptr @.str.5869, i64 46, i64 0 }, ptr %t49
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 47
-  store { ptr, i64, i64 } { ptr @.str.5653, i64 59, i64 0 }, ptr %t50
+  store { ptr, i64, i64 } { ptr @.str.5870, i64 48, i64 0 }, ptr %t50
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 48
-  store { ptr, i64, i64 } { ptr @.str.5654, i64 49, i64 0 }, ptr %t51
+  store { ptr, i64, i64 } { ptr @.str.5871, i64 43, i64 0 }, ptr %t51
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 49
-  store { ptr, i64, i64 } { ptr @.str.5655, i64 39, i64 0 }, ptr %t52
+  store { ptr, i64, i64 } { ptr @.str.5872, i64 45, i64 0 }, ptr %t52
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 50
-  store { ptr, i64, i64 } { ptr @.str.5656, i64 39, i64 0 }, ptr %t53
+  store { ptr, i64, i64 } { ptr @.str.5873, i64 59, i64 0 }, ptr %t53
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 51
-  store { ptr, i64, i64 } { ptr @.str.5657, i64 35, i64 0 }, ptr %t54
+  store { ptr, i64, i64 } { ptr @.str.5874, i64 49, i64 0 }, ptr %t54
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 52
-  store { ptr, i64, i64 } { ptr @.str.5658, i64 35, i64 0 }, ptr %t55
+  store { ptr, i64, i64 } { ptr @.str.5875, i64 39, i64 0 }, ptr %t55
   %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 53
-  store { ptr, i64, i64 } { ptr @.str.5659, i64 45, i64 0 }, ptr %t56
+  store { ptr, i64, i64 } { ptr @.str.5876, i64 39, i64 0 }, ptr %t56
   %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 54
-  store { ptr, i64, i64 } { ptr @.str.5660, i64 47, i64 0 }, ptr %t57
+  store { ptr, i64, i64 } { ptr @.str.5877, i64 35, i64 0 }, ptr %t57
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 55
-  store { ptr, i64, i64 } { ptr @.str.5661, i64 47, i64 0 }, ptr %t58
+  store { ptr, i64, i64 } { ptr @.str.5878, i64 35, i64 0 }, ptr %t58
   %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 56
-  store { ptr, i64, i64 } { ptr @.str.5662, i64 48, i64 0 }, ptr %t59
+  store { ptr, i64, i64 } { ptr @.str.5879, i64 45, i64 0 }, ptr %t59
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 57
-  store { ptr, i64, i64 } { ptr @.str.5663, i64 44, i64 0 }, ptr %t60
+  store { ptr, i64, i64 } { ptr @.str.5880, i64 47, i64 0 }, ptr %t60
   %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 58
-  store { ptr, i64, i64 } { ptr @.str.5664, i64 37, i64 0 }, ptr %t61
+  store { ptr, i64, i64 } { ptr @.str.5881, i64 47, i64 0 }, ptr %t61
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 59
-  store { ptr, i64, i64 } { ptr @.str.5665, i64 49, i64 0 }, ptr %t62
+  store { ptr, i64, i64 } { ptr @.str.5882, i64 48, i64 0 }, ptr %t62
   %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 60
-  store { ptr, i64, i64 } { ptr @.str.5666, i64 39, i64 0 }, ptr %t63
+  store { ptr, i64, i64 } { ptr @.str.5883, i64 44, i64 0 }, ptr %t63
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 61
-  store { ptr, i64, i64 } { ptr @.str.5667, i64 29, i64 0 }, ptr %t64
+  store { ptr, i64, i64 } { ptr @.str.5884, i64 37, i64 0 }, ptr %t64
   %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 62
-  store { ptr, i64, i64 } { ptr @.str.5668, i64 35, i64 0 }, ptr %t65
+  store { ptr, i64, i64 } { ptr @.str.5885, i64 49, i64 0 }, ptr %t65
   %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 63
-  store { ptr, i64, i64 } { ptr @.str.5669, i64 29, i64 0 }, ptr %t66
+  store { ptr, i64, i64 } { ptr @.str.5886, i64 39, i64 0 }, ptr %t66
   %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 64
-  store { ptr, i64, i64 } { ptr @.str.5670, i64 24, i64 0 }, ptr %t67
+  store { ptr, i64, i64 } { ptr @.str.5887, i64 29, i64 0 }, ptr %t67
   %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 65
-  store { ptr, i64, i64 } { ptr @.str.5671, i64 40, i64 0 }, ptr %t68
+  store { ptr, i64, i64 } { ptr @.str.5888, i64 35, i64 0 }, ptr %t68
   %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 66
-  store { ptr, i64, i64 } { ptr @.str.5672, i64 33, i64 0 }, ptr %t69
+  store { ptr, i64, i64 } { ptr @.str.5889, i64 29, i64 0 }, ptr %t69
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 67
-  store { ptr, i64, i64 } { ptr @.str.5673, i64 34, i64 0 }, ptr %t70
+  store { ptr, i64, i64 } { ptr @.str.5890, i64 24, i64 0 }, ptr %t70
   %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 68
-  store { ptr, i64, i64 } { ptr @.str.5674, i64 44, i64 0 }, ptr %t71
+  store { ptr, i64, i64 } { ptr @.str.5891, i64 40, i64 0 }, ptr %t71
   %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 69
-  store { ptr, i64, i64 } { ptr @.str.5675, i64 32, i64 0 }, ptr %t72
+  store { ptr, i64, i64 } { ptr @.str.5892, i64 33, i64 0 }, ptr %t72
   %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 70
-  store { ptr, i64, i64 } { ptr @.str.5676, i64 23, i64 0 }, ptr %t73
-  %t74 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
-  %t75 = insertvalue { ptr, i64, i64 } %t74, i64 71, 1
-  %t76 = insertvalue { ptr, i64, i64 } %t75, i64 71, 2
-  store { ptr, i64, i64 } %t76, ptr %a77
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a77, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5677, i64 1, i64 0 }, ptr %a79
-  call void @finch_str_join(ptr %a80, ptr %a77, ptr %a79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t81, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.5678, i64 1, i64 0 }, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  ret { ptr, i64, i64 } %t85
+  store { ptr, i64, i64 } { ptr @.str.5893, i64 34, i64 0 }, ptr %t73
+  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 71
+  store { ptr, i64, i64 } { ptr @.str.5894, i64 44, i64 0 }, ptr %t74
+  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 72
+  store { ptr, i64, i64 } { ptr @.str.5895, i64 32, i64 0 }, ptr %t75
+  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 73
+  store { ptr, i64, i64 } { ptr @.str.5896, i64 23, i64 0 }, ptr %t76
+  %t77 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
+  %t78 = insertvalue { ptr, i64, i64 } %t77, i64 74, 1
+  %t79 = insertvalue { ptr, i64, i64 } %t78, i64 74, 2
+  store { ptr, i64, i64 } %t79, ptr %a80
+  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %a80, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5897, i64 1, i64 0 }, ptr %a82
+  call void @finch_str_join(ptr %a83, ptr %a80, ptr %a82)
+  %t84 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t84, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.5898, i64 1, i64 0 }, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  call void @finch.drop.arr_str(ptr %a80)
+  ret { ptr, i64, i64 } %t89
 }
 
 define internal { ptr, i64, i64 } @finch.gen.assemble(ptr %p0) {
@@ -75704,177 +91131,222 @@ entry:
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.5679, i64 52, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.5899, i64 52, i64 0 }, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic8190, label %ok8191
-panic8190:
-  call void @finch_panic(ptr @.str.5680, i64 5109, ptr @.str.5681)
+  br i1 %t4, label %panic8656, label %ok8657
+panic8656:
+  call void @finch_panic(ptr @.str.5900, i64 5541, ptr @.str.5901)
   unreachable
-ok8191:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 29
+ok8657:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 30
   %t6 = getelementptr inbounds %S.platform.Target, ptr %t5, i32 0, i32 5
   %t7 = load i1, ptr %t6
-  br i1 %t7, label %then8192, label %endif8194
-then8192:
+  br i1 %t7, label %then8658, label %endif8660
+then8658:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.5682, i64 17, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.5902, i64 17, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic8195, label %ok8196
-panic8195:
-  call void @finch_panic(ptr @.str.5683, i64 5110, ptr @.str.5684)
+  br i1 %t14, label %panic8661, label %ok8662
+panic8661:
+  call void @finch_panic(ptr @.str.5903, i64 5542, ptr @.str.5904)
   unreachable
-ok8196:
-  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 29
+ok8662:
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 30
   %t16 = getelementptr inbounds %S.platform.Target, ptr %t15, i32 0, i32 0
   %t17 = load { ptr, i64, i64 }, ptr %t16
   store { ptr, i64, i64 } %t12, ptr %a19
   store { ptr, i64, i64 } %t17, ptr %a20
   call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.5685, i64 3, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a2
-  br label %endif8194
-endif8194:
-  %t26 = load { ptr, i64, i64 }, ptr %a2
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic8197, label %ok8198
-panic8197:
-  call void @finch_panic(ptr @.str.5686, i64 5112, ptr @.str.5687)
+  store { ptr, i64, i64 } %t12, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t22, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.5905, i64 3, i64 0 }, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  %t28 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t27, ptr %a2
+  store { ptr, i64, i64 } %t28, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  br label %endif8660
+endif8660:
+  %t30 = load { ptr, i64, i64 }, ptr %a2
+  %t31 = load ptr, ptr %a1
+  %t32 = icmp eq ptr %t31, null
+  br i1 %t32, label %panic8663, label %ok8664
+panic8663:
+  call void @finch_panic(ptr @.str.5906, i64 5544, ptr @.str.5907)
   unreachable
-ok8198:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 2
-  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5688, i64 1, i64 0 }, ptr %a31
-  call void @finch_str_join(ptr %a32, ptr %t29, ptr %a31)
-  %t33 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t26, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.5689, i64 2, i64 0 }, ptr %a40
+ok8664:
+  %t33 = getelementptr inbounds %S.gen.Gen, ptr %t31, i32 0, i32 2
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5908, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_join(ptr %a36, ptr %t33, ptr %a35)
+  %t37 = load { ptr, i64, i64 }, ptr %a36
+  store { ptr, i64, i64 } %t30, ptr %a39
+  store { ptr, i64, i64 } %t37, ptr %a40
   call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = call { ptr, i64, i64 } @finch.gen.runtimeDecls()
-  store { ptr, i64, i64 } %t41, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } %t42, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.5909, i64 2, i64 0 }, ptr %a45
   call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.5690, i64 1, i64 0 }, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t50, ptr %a2
-  %t51 = load ptr, ptr %a1
-  %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic8199, label %ok8200
-panic8199:
-  call void @finch_panic(ptr @.str.5691, i64 5113, ptr @.str.5692)
-  unreachable
-ok8200:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 28
-  %t54 = load i1, ptr %t53
-  br i1 %t54, label %then8201, label %endif8203
-then8201:
-  %t55 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.5693, i64 62, i64 0 }, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a2
-  br label %endif8203
-endif8203:
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = call { ptr, i64, i64 } @finch.gen.runtimeDecls()
+  store { ptr, i64, i64 } %t47, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t47, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.5910, i64 1, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
   %t60 = load { ptr, i64, i64 }, ptr %a2
-  %t61 = load ptr, ptr %a1
-  %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic8204, label %ok8205
-panic8204:
-  call void @finch_panic(ptr @.str.5694, i64 5116, ptr @.str.5695)
+  store { ptr, i64, i64 } %t59, ptr %a2
+  store { ptr, i64, i64 } %t60, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load ptr, ptr %a1
+  %t63 = icmp eq ptr %t62, null
+  br i1 %t63, label %panic8665, label %ok8666
+panic8665:
+  call void @finch_panic(ptr @.str.5911, i64 5545, ptr @.str.5912)
   unreachable
-ok8205:
-  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 3
-  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5696, i64 1, i64 0 }, ptr %a65
-  call void @finch_str_join(ptr %a66, ptr %t63, ptr %a65)
-  %t67 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t60, ptr %a69
-  store { ptr, i64, i64 } %t67, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t71, ptr %a2
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic8206, label %ok8207
-panic8206:
-  call void @finch_panic(ptr @.str.5697, i64 5117, ptr @.str.5698)
+ok8666:
+  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 29
+  %t65 = load i1, ptr %t64
+  br i1 %t65, label %then8667, label %endif8669
+then8667:
+  %t66 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.5913, i64 62, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a67
+  %t71 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t70, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  br label %endif8669
+endif8669:
+  %t73 = load { ptr, i64, i64 }, ptr %a2
+  %t74 = load ptr, ptr %a1
+  %t75 = icmp eq ptr %t74, null
+  br i1 %t75, label %panic8670, label %ok8671
+panic8670:
+  call void @finch_panic(ptr @.str.5914, i64 5548, ptr @.str.5915)
   unreachable
-ok8207:
-  %t74 = getelementptr inbounds %S.gen.Gen, ptr %t72, i32 0, i32 28
-  %t75 = load i1, ptr %t74
-  br i1 %t75, label %then8208, label %endif8210
-then8208:
-  %t76 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t76, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.5699, i64 1, i64 0 }, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = load ptr, ptr %a1
-  %t82 = call { ptr, i64, i64 } @finch.gen.dbgModule(ptr %t81)
+ok8671:
+  %t76 = getelementptr inbounds %S.gen.Gen, ptr %t74, i32 0, i32 3
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5916, i64 1, i64 0 }, ptr %a78
+  call void @finch_str_join(ptr %a79, ptr %t76, ptr %a78)
+  %t80 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t73, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
   store { ptr, i64, i64 } %t80, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a2
-  br label %endif8210
-endif8210:
-  %t87 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t87, ptr %a88
-  call void @finch_str_copy(ptr %a89, ptr %a88)
-  %t90 = load { ptr, i64, i64 }, ptr %a89
-  ret { ptr, i64, i64 } %t90
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t85, ptr %a2
+  store { ptr, i64, i64 } %t86, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load ptr, ptr %a1
+  %t89 = icmp eq ptr %t88, null
+  br i1 %t89, label %panic8672, label %ok8673
+panic8672:
+  call void @finch_panic(ptr @.str.5917, i64 5549, ptr @.str.5918)
+  unreachable
+ok8673:
+  %t90 = getelementptr inbounds %S.gen.Gen, ptr %t88, i32 0, i32 29
+  %t91 = load i1, ptr %t90
+  br i1 %t91, label %then8674, label %endif8676
+then8674:
+  %t92 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.5919, i64 1, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a93
+  %t97 = load ptr, ptr %a1
+  %t98 = call { ptr, i64, i64 } @finch.gen.dbgModule(ptr %t97)
+  store { ptr, i64, i64 } %t96, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t96, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  store { ptr, i64, i64 } %t98, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a99
+  %t105 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t104, ptr %a2
+  store { ptr, i64, i64 } %t105, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  br label %endif8676
+endif8676:
+  %t107 = load { ptr, i64, i64 }, ptr %a2
+  ret { ptr, i64, i64 } %t107
 }
 
 define internal void @finch.copy.arr_S_ast_Program(ptr %dst, ptr %src) {
@@ -75886,20 +91358,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond8211
-n.cond8211:
+  br label %n.cond8677
+n.cond8677:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body8212, label %n.end8213
-n.body8212:
+  br i1 %t7, label %n.body8678, label %n.end8679
+n.body8678:
   %t8 = getelementptr inbounds %S.ast.Program, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.ast.Program, ptr %t2, i64 %t6
   call void @finch.copy.S_ast_Program(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond8211
-n.end8213:
+  br label %n.cond8677
+n.end8679:
   ret void
 }
 
@@ -75933,12 +91405,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8214
-n.cond8214:
+  br label %n.cond8680
+n.cond8680:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8215, label %n.end8216
-n.body8215:
+  br i1 %t5, label %n.body8681, label %n.end8682
+n.body8681:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t7, i64 %t4
@@ -75948,21 +91420,21 @@ n.body8215:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8217, label %entry.next8218
-entry.live8217:
+  br i1 %t14, label %entry.live8683, label %entry.next8684
+entry.live8683:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_cimport_CFunc(ptr %t17, ptr %t18)
-  br label %entry.next8218
-entry.next8218:
+  br label %entry.next8684
+entry.next8684:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8214
-n.end8216:
+  br label %n.cond8680
+n.end8682:
   ret void
 }
 
@@ -75973,12 +91445,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8219
-n.cond8219:
+  br label %n.cond8685
+n.cond8685:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8220, label %n.end8221
-n.body8220:
+  br i1 %t5, label %n.body8686, label %n.end8687
+n.body8686:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t7, i64 %t4
@@ -75988,21 +91460,21 @@ n.body8220:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8222, label %entry.next8223
-entry.live8222:
+  br i1 %t14, label %entry.live8688, label %entry.next8689
+entry.live8688:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_cimport_CConst(ptr %t17, ptr %t18)
-  br label %entry.next8223
-entry.next8223:
+  br label %entry.next8689
+entry.next8689:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8219
-n.end8221:
+  br label %n.cond8685
+n.end8687:
   ret void
 }
 
@@ -76013,12 +91485,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8224
-n.cond8224:
+  br label %n.cond8690
+n.cond8690:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8225, label %n.end8226
-n.body8225:
+  br i1 %t5, label %n.body8691, label %n.end8692
+n.body8691:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t7, i64 %t4
@@ -76028,21 +91500,21 @@ n.body8225:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8227, label %entry.next8228
-entry.live8227:
+  br i1 %t14, label %entry.live8693, label %entry.next8694
+entry.live8693:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_ast_Type(ptr %t17, ptr %t18)
-  br label %entry.next8228
-entry.next8228:
+  br label %entry.next8694
+entry.next8694:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8224
-n.end8226:
+  br label %n.cond8690
+n.end8692:
   ret void
 }
 
@@ -76053,12 +91525,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8229
-n.cond8229:
+  br label %n.cond8695
+n.cond8695:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8230, label %n.end8231
-n.body8230:
+  br i1 %t5, label %n.body8696, label %n.end8697
+n.body8696:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t7, i64 %t4
@@ -76068,21 +91540,21 @@ n.body8230:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8232, label %entry.next8233
-entry.live8232:
+  br i1 %t14, label %entry.live8698, label %entry.next8699
+entry.live8698:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_cimport_CStruct(ptr %t17, ptr %t18)
-  br label %entry.next8233
-entry.next8233:
+  br label %entry.next8699
+entry.next8699:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8229
-n.end8231:
+  br label %n.cond8695
+n.end8697:
   ret void
 }
 
@@ -76109,6 +91581,252 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_S_gen_Pending(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8768
+n.cond8768:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8769, label %n.end8770
+n.body8769:
+  %t7 = getelementptr inbounds %S.gen.Pending, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Pending(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8768
+n.end8770:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Loop(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8771
+n.cond8771:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8772, label %n.end8773
+n.body8772:
+  %t7 = getelementptr inbounds %S.gen.Loop, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Loop(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8771
+n.end8773:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_FnSig(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8774
+n.cond8774:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8775, label %n.end8776
+n.body8775:
+  %t7 = getelementptr inbounds %S.gen.FnSig, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_FnSig(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8774
+n.end8776:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_StructDef(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8777
+n.cond8777:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8778, label %n.end8779
+n.body8778:
+  %t7 = getelementptr inbounds %S.gen.StructDef, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_StructDef(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8777
+n.end8779:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Template(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8780
+n.cond8780:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8781, label %n.end8782
+n.body8781:
+  %t7 = getelementptr inbounds %S.gen.Template, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Template(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8780
+n.end8782:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_EnumDef(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8783
+n.cond8783:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8784, label %n.end8785
+n.body8784:
+  %t7 = getelementptr inbounds %S.gen.EnumDef, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_EnumDef(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8783
+n.end8785:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.map_str_int(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond8786
+n.cond8786:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body8787, label %n.end8788
+n.body8787:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live8789, label %entry.next8790
+entry.live8789:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t8, i32 0, i32 2
+  br label %entry.next8790
+entry.next8790:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond8786
+n.end8788:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Gen(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_ast_Program(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_str(ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 10
+  call void @finch.drop.arr_S_gen_Scope(ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 11
+  call void @finch.drop.arr_S_gen_Pending(ptr %t8)
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 12
+  call void @finch.drop.arr_S_gen_Loop(ptr %t9)
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 13
+  call void @finch.drop.S_gen_FnSig(ptr %t10)
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 14
+  call void @finch_str_drop(ptr %t11)
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 15
+  call void @finch.drop.arr_S_gen_FnSig(ptr %t12)
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 16
+  call void @finch.drop.arr_S_gen_StructDef(ptr %t13)
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 17
+  call void @finch.drop.arr_S_gen_Template(ptr %t14)
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 18
+  call void @finch.drop.arr_str(ptr %t15)
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 19
+  call void @finch.drop.arr_S_ast_Type(ptr %t16)
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 20
+  call void @finch_str_drop(ptr %t17)
+  %t18 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 21
+  call void @finch.drop.arr_S_gen_EnumDef(ptr %t18)
+  %t19 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 22
+  call void @finch.drop.arr_str(ptr %t19)
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 23
+  call void @finch.drop.arr_str(ptr %t20)
+  %t21 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 25
+  call void @finch.drop.S_cimport_CImports(ptr %t21)
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 28
+  call void @finch.drop.arr_str(ptr %t22)
+  %t23 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 30
+  call void @finch.drop.S_platform_Target(ptr %t23)
+  %t24 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 31
+  call void @finch_str_drop(ptr %t24)
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 32
+  call void @finch.drop.arr_str(ptr %t25)
+  %t26 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 33
+  call void @finch.drop.map_str_int(ptr %t26)
+  %t27 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 34
+  call void @finch.drop.arr_int(ptr %t27)
+  %t28 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 39
+  call void @finch.drop.arr_str(ptr %t28)
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 40
+  call void @finch_str_drop(ptr %t29)
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 41
+  call void @finch_str_drop(ptr %t30)
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 42
+  call void @finch_str_drop(ptr %t31)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.gen.generate({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1, %S.cimport.CImports %p2, %S.gen.Options %p3) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -76136,127 +91854,166 @@ entry:
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca i64, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca i64, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca i64, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca i64, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca i64, align 16
-  %a260 = alloca %S.gen.FnSig, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca i64, align 16
+  %a269 = alloca %S.gen.FnSig, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca %S.gen.FnSig, align 16
-  %a305 = alloca %S.gen.FnSig, align 16
-  %a307 = alloca %S.gen.FnSig, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca %S.gen.FnSig, align 16
+  %a318 = alloca %S.gen.FnSig, align 16
+  %a320 = alloca %S.gen.FnSig, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
   %a326 = alloca { ptr, i64, i64 }, align 16
   %a327 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
   %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a337 = alloca { ptr, i64, i64 }, align 16
   %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
   %a343 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
   %a355 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
   %a373 = alloca { ptr, i64, i64 }, align 16
   %a374 = alloca { ptr, i64, i64 }, align 16
   %a377 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
   %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a395 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
   %a397 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
   %a401 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a408 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
   %a413 = alloca { ptr, i64, i64 }, align 16
   %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
   %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
   %a423 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
   %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
   %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
   %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a443 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
   %a448 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
   %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
   %a459 = alloca { ptr, i64, i64 }, align 16
   %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.cimport.CImports %p2, ptr %a3
@@ -76278,713 +92035,815 @@ entry:
   store %S.cimport.CImports %t18, ptr %a19
   call void @finch.copy.S_cimport_CImports(ptr %a20, ptr %a19)
   %t21 = load %S.cimport.CImports, ptr %a20
-  %t22 = insertvalue %S.gen.Gen %t17, %S.cimport.CImports %t21, 24
+  %t22 = insertvalue %S.gen.Gen %t17, %S.cimport.CImports %t21, 25
   %t23 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 0
   %t24 = load i1, ptr %t23
-  %t25 = insertvalue %S.gen.Gen %t22, i1 %t24, 25
+  %t25 = insertvalue %S.gen.Gen %t22, i1 %t24, 26
   %t26 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 1
   %t27 = load i1, ptr %t26
-  %t28 = insertvalue %S.gen.Gen %t25, i1 %t27, 26
+  %t28 = insertvalue %S.gen.Gen %t25, i1 %t27, 27
   %t29 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 2
   %t30 = load i1, ptr %t29
-  %t31 = insertvalue %S.gen.Gen %t28, i1 %t30, 28
+  %t31 = insertvalue %S.gen.Gen %t28, i1 %t30, 29
   %t32 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 4
   %t33 = load %S.platform.Target, ptr %t32
   store %S.platform.Target %t33, ptr %a34
   call void @finch.copy.S_platform_Target(ptr %a35, ptr %a34)
   %t36 = load %S.platform.Target, ptr %a35
-  %t37 = insertvalue %S.gen.Gen %t31, %S.platform.Target %t36, 29
+  %t37 = insertvalue %S.gen.Gen %t31, %S.platform.Target %t36, 30
   %t38 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 3
   %t39 = load { ptr, i64, i64 }, ptr %t38
   store { ptr, i64, i64 } %t39, ptr %a40
   call void @finch_str_copy(ptr %a41, ptr %a40)
   %t42 = load { ptr, i64, i64 }, ptr %a41
-  %t43 = insertvalue %S.gen.Gen %t37, { ptr, i64, i64 } %t42, 30
-  %t44 = insertvalue %S.gen.Gen %t43, i64 -1, 34
+  %t43 = insertvalue %S.gen.Gen %t37, { ptr, i64, i64 } %t42, 31
+  %t44 = insertvalue %S.gen.Gen %t43, i64 -1, 35
   store %S.gen.Gen %t44, ptr %a45
   store ptr %a45, ptr %a46
   %t47 = load ptr, ptr %a46
   %t48 = icmp eq ptr %t47, null
-  br i1 %t48, label %panic8234, label %ok8235
-panic8234:
-  call void @finch_panic(ptr @.str.5700, i64 5127, ptr @.str.5701)
+  br i1 %t48, label %panic8700, label %ok8701
+panic8700:
+  call void @finch_panic(ptr @.str.5920, i64 5559, ptr @.str.5921)
   unreachable
-ok8235:
-  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 28
+ok8701:
+  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 29
   %t50 = load i1, ptr %t49
-  br i1 %t50, label %then8236, label %endif8238
-then8236:
+  br i1 %t50, label %then8702, label %endif8704
+then8702:
   %t51 = load ptr, ptr %a46
   %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic8239, label %ok8240
-panic8239:
-  call void @finch_panic(ptr @.str.5702, i64 5129, ptr @.str.5703)
+  br i1 %t52, label %panic8705, label %ok8706
+panic8705:
+  call void @finch_panic(ptr @.str.5922, i64 5561, ptr @.str.5923)
   unreachable
-ok8240:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 31
+ok8706:
+  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 32
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i32 0, i32 1
   %t55 = load i64, ptr %t54
   %t56 = add i64 %t55, 1
   call void @finch_arr_reserve(ptr %t53, i64 %t56, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t57 = load ptr, ptr %t53
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t57, i64 %t55
-  store { ptr, i64, i64 } { ptr @.str.5704, i64 0, i64 0 }, ptr %t58
+  store { ptr, i64, i64 } { ptr @.str.5924, i64 0, i64 0 }, ptr %t58
   store i64 %t56, ptr %t54
   %t59 = load ptr, ptr %a46
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic8241, label %ok8242
-panic8241:
-  call void @finch_panic(ptr @.str.5705, i64 5130, ptr @.str.5706)
+  br i1 %t60, label %panic8707, label %ok8708
+panic8707:
+  call void @finch_panic(ptr @.str.5925, i64 5562, ptr @.str.5926)
   unreachable
-ok8242:
-  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 31
+ok8708:
+  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 32
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i32 0, i32 1
   %t63 = load i64, ptr %t62
   %t64 = add i64 %t63, 1
   call void @finch_arr_reserve(ptr %t61, i64 %t64, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t65 = load ptr, ptr %t61
   %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 %t63
-  store { ptr, i64, i64 } { ptr @.str.5707, i64 33, i64 0 }, ptr %t66
+  store { ptr, i64, i64 } { ptr @.str.5927, i64 33, i64 0 }, ptr %t66
   store i64 %t64, ptr %t62
   %t67 = load ptr, ptr %a46
   %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic8243, label %ok8244
-panic8243:
-  call void @finch_panic(ptr @.str.5708, i64 5131, ptr @.str.5709)
+  br i1 %t68, label %panic8709, label %ok8710
+panic8709:
+  call void @finch_panic(ptr @.str.5928, i64 5563, ptr @.str.5929)
   unreachable
-ok8244:
-  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 31
+ok8710:
+  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 32
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i32 0, i32 1
   %t71 = load i64, ptr %t70
   %t72 = add i64 %t71, 1
   call void @finch_arr_reserve(ptr %t69, i64 %t72, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t73 = load ptr, ptr %t69
   %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i64 %t71
-  store { ptr, i64, i64 } { ptr @.str.5710, i64 38, i64 0 }, ptr %t74
+  store { ptr, i64, i64 } { ptr @.str.5930, i64 38, i64 0 }, ptr %t74
   store i64 %t72, ptr %t70
   store i64 0, ptr %a75
-  br label %each.cond8245
-each.cond8245:
+  br label %each.cond8711
+each.cond8711:
   %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t77 = load i64, ptr %t76
   %t78 = load i64, ptr %a75
   %t79 = icmp slt i64 %t78, %t77
-  br i1 %t79, label %each.body8246, label %each.end8248
-each.body8246:
+  br i1 %t79, label %each.body8712, label %each.end8714
+each.body8712:
   %t80 = load ptr, ptr %a2
   %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %t80, i64 %t78
   %t82 = load { ptr, i64, i64 }, ptr %t81
   store { ptr, i64, i64 } %t82, ptr %a83
   %t84 = load ptr, ptr %a46
   %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic8249, label %ok8250
-panic8249:
-  call void @finch_panic(ptr @.str.5711, i64 5133, ptr @.str.5712)
+  br i1 %t85, label %panic8715, label %ok8716
+panic8715:
+  call void @finch_panic(ptr @.str.5931, i64 5565, ptr @.str.5932)
   unreachable
-ok8250:
-  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 33
+ok8716:
+  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 34
   %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
   %t88 = load ptr, ptr %a46
   %t89 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.5713, i64 19, i64 0 }, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.5933, i64 19, i64 0 }, ptr %a91
   store { ptr, i64, i64 } %t89, ptr %a92
   call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
   %t93 = load { ptr, i64, i64 }, ptr %a90
   store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.5714, i64 15, i64 0 }, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.5934, i64 15, i64 0 }, ptr %a96
   call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  %t98 = load ptr, ptr %a46
-  %t99 = icmp eq ptr %t98, null
-  br i1 %t99, label %panic8251, label %ok8252
-panic8251:
-  call void @finch_panic(ptr @.str.5715, i64 5133, ptr @.str.5716)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  %t99 = load ptr, ptr %a46
+  %t100 = icmp eq ptr %t99, null
+  br i1 %t100, label %panic8717, label %ok8718
+panic8717:
+  call void @finch_panic(ptr @.str.5935, i64 5565, ptr @.str.5936)
   unreachable
-ok8252:
-  %t100 = getelementptr inbounds %S.gen.Gen, ptr %t98, i32 0, i32 30
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  store { ptr, i64, i64 } %t97, ptr %a103
-  store { ptr, i64, i64 } %t101, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t105, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.5717, i64 2, i64 0 }, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  %t110 = call i64 @finch.gen.md(ptr %t88, { ptr, i64, i64 } %t109)
-  %t111 = load i64, ptr %t87
-  %t112 = add i64 %t111, 1
-  call void @finch_arr_reserve(ptr %t86, i64 %t112, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t113 = load ptr, ptr %t86
-  %t114 = getelementptr inbounds i64, ptr %t113, i64 %t111
-  store i64 %t110, ptr %t114
-  store i64 %t112, ptr %t87
-  br label %each.step8247
-each.step8247:
-  %t115 = load i64, ptr %a75
+ok8718:
+  %t101 = getelementptr inbounds %S.gen.Gen, ptr %t99, i32 0, i32 31
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  store { ptr, i64, i64 } %t98, ptr %a104
+  store { ptr, i64, i64 } %t102, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t98, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t107, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.5937, i64 2, i64 0 }, ptr %a110
+  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a108
+  %t113 = call i64 @finch.gen.md(ptr %t88, { ptr, i64, i64 } %t112)
+  store { ptr, i64, i64 } %t112, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load i64, ptr %t87
   %t116 = add i64 %t115, 1
-  store i64 %t116, ptr %a75
-  br label %each.cond8245
-each.end8248:
-  %t117 = load ptr, ptr %a46
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic8253, label %ok8254
-panic8253:
-  call void @finch_panic(ptr @.str.5719, i64 5135, ptr @.str.5720)
+  call void @finch_arr_reserve(ptr %t86, i64 %t116, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t117 = load ptr, ptr %t86
+  %t118 = getelementptr inbounds i64, ptr %t117, i64 %t115
+  store i64 %t113, ptr %t118
+  store i64 %t116, ptr %t87
+  br label %each.step8713
+each.step8713:
+  %t119 = load i64, ptr %a75
+  %t120 = add i64 %t119, 1
+  store i64 %t120, ptr %a75
+  br label %each.cond8711
+each.end8714:
+  %t121 = load ptr, ptr %a46
+  %t122 = icmp eq ptr %t121, null
+  br i1 %t122, label %panic8719, label %ok8720
+panic8719:
+  call void @finch_panic(ptr @.str.5939, i64 5567, ptr @.str.5940)
   unreachable
-ok8254:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 33
-  %t120 = load { ptr, i64, i64 }, ptr %t119
-  %t121 = extractvalue { ptr, i64, i64 } %t120, 1
-  %t122 = icmp uge i64 0, %t121
-  br i1 %t122, label %range8255, label %inrange8256
-range8255:
-  call void @finch_panic_index(ptr @.str.5721, i64 5135, i64 0, i64 %t121)
+ok8720:
+  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 34
+  %t124 = load { ptr, i64, i64 }, ptr %t123
+  %t125 = extractvalue { ptr, i64, i64 } %t124, 1
+  %t126 = icmp uge i64 0, %t125
+  br i1 %t126, label %range8721, label %inrange8722
+range8721:
+  call void @finch_panic_index(ptr @.str.5941, i64 5567, i64 0, i64 %t125)
   unreachable
-inrange8256:
-  %t123 = extractvalue { ptr, i64, i64 } %t120, 0
-  %t124 = getelementptr inbounds i64, ptr %t123, i64 0
-  %t125 = load i64, ptr %t124
-  call void @finch_str_from_int(ptr %a126, i64 %t125)
-  %t127 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } { ptr @.str.5718, i64 52, i64 0 }, ptr %a129
-  store { ptr, i64, i64 } %t127, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  store { ptr, i64, i64 } %t131, ptr %a133
-  store { ptr, i64, i64 } { ptr @.str.5722, i64 84, i64 0 }, ptr %a134
+inrange8722:
+  %t127 = extractvalue { ptr, i64, i64 } %t124, 0
+  %t128 = getelementptr inbounds i64, ptr %t127, i64 0
+  %t129 = load i64, ptr %t128
+  call void @finch_str_from_int(ptr %a130, i64 %t129)
+  %t131 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } { ptr @.str.5938, i64 52, i64 0 }, ptr %a133
+  store { ptr, i64, i64 } %t131, ptr %a134
   call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  %t136 = load ptr, ptr %a46
-  %t137 = icmp eq ptr %t136, null
-  br i1 %t137, label %panic8257, label %ok8258
-panic8257:
-  call void @finch_panic(ptr @.str.5723, i64 5135, ptr @.str.5724)
+  store { ptr, i64, i64 } %t131, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.5942, i64 84, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = load ptr, ptr %a46
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic8723, label %ok8724
+panic8723:
+  call void @finch_panic(ptr @.str.5943, i64 5567, ptr @.str.5944)
   unreachable
-ok8258:
-  %t138 = getelementptr inbounds %S.gen.Gen, ptr %t136, i32 0, i32 31
-  %t139 = load { ptr, i64, i64 }, ptr %t138
-  %t140 = extractvalue { ptr, i64, i64 } %t139, 1
-  %t141 = icmp uge i64 0, %t140
-  br i1 %t141, label %range8259, label %inrange8260
-range8259:
-  call void @finch_panic_index(ptr @.str.5725, i64 5135, i64 0, i64 %t140)
+ok8724:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 32
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  %t146 = extractvalue { ptr, i64, i64 } %t145, 1
+  %t147 = icmp uge i64 0, %t146
+  br i1 %t147, label %range8725, label %inrange8726
+range8725:
+  call void @finch_panic_index(ptr @.str.5945, i64 5567, i64 0, i64 %t146)
   unreachable
-inrange8260:
-  %t142 = extractvalue { ptr, i64, i64 } %t139, 0
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i64 0
-  store { ptr, i64, i64 } %t135, ptr %t143
-  br label %endif8238
-endif8238:
-  %t144 = load ptr, ptr %a46
-  call void @finch.gen.declare(ptr %t144)
-  %t145 = load ptr, ptr %a46
-  %t146 = call i64 @finch.gen.findFn(ptr %t145, { ptr, i64, i64 } { ptr @.str.5726, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5727, i64 4, i64 0 })
-  store i64 %t146, ptr %a147
-  %t148 = load i1, ptr %a7
-  br i1 %t148, label %then8261, label %else8262
-then8261:
-  %t149 = load i64, ptr %a147
-  %t150 = icmp sge i64 %t149, 0
-  br i1 %t150, label %then8264, label %endif8266
-then8264:
-  %t151 = load ptr, ptr %a46
+inrange8726:
+  %t148 = extractvalue { ptr, i64, i64 } %t145, 0
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t148, i64 0
+  %t150 = load { ptr, i64, i64 }, ptr %t149
+  store { ptr, i64, i64 } %t141, ptr %t149
+  store { ptr, i64, i64 } %t150, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  br label %endif8704
+endif8704:
   %t152 = load ptr, ptr %a46
-  %t153 = icmp eq ptr %t152, null
-  br i1 %t153, label %panic8267, label %ok8268
-panic8267:
-  call void @finch_panic(ptr @.str.5728, i64 5141, ptr @.str.5729)
+  call void @finch.gen.declare(ptr %t152)
+  %t153 = load ptr, ptr %a46
+  %t154 = call i64 @finch.gen.findFn(ptr %t153, { ptr, i64, i64 } { ptr @.str.5946, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5947, i64 4, i64 0 })
+  store i64 %t154, ptr %a155
+  %t156 = load i1, ptr %a7
+  br i1 %t156, label %then8727, label %else8728
+then8727:
+  %t157 = load i64, ptr %a155
+  %t158 = icmp sge i64 %t157, 0
+  br i1 %t158, label %then8730, label %endif8732
+then8730:
+  %t159 = load ptr, ptr %a46
+  %t160 = load ptr, ptr %a46
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic8733, label %ok8734
+panic8733:
+  call void @finch_panic(ptr @.str.5948, i64 5573, ptr @.str.5949)
   unreachable
-ok8268:
-  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 0
-  %t155 = load ptr, ptr %a46
-  %t156 = icmp eq ptr %t155, null
-  br i1 %t156, label %panic8269, label %ok8270
-panic8269:
-  call void @finch_panic(ptr @.str.5730, i64 5141, ptr @.str.5731)
+ok8734:
+  %t162 = getelementptr inbounds %S.gen.Gen, ptr %t160, i32 0, i32 0
+  %t163 = load ptr, ptr %a46
+  %t164 = icmp eq ptr %t163, null
+  br i1 %t164, label %panic8735, label %ok8736
+panic8735:
+  call void @finch_panic(ptr @.str.5950, i64 5573, ptr @.str.5951)
   unreachable
-ok8270:
-  %t157 = getelementptr inbounds %S.gen.Gen, ptr %t155, i32 0, i32 14
-  %t158 = load i64, ptr %a147
-  %t159 = load { ptr, i64, i64 }, ptr %t157
-  %t160 = extractvalue { ptr, i64, i64 } %t159, 1
-  %t161 = icmp uge i64 %t158, %t160
-  br i1 %t161, label %range8271, label %inrange8272
-range8271:
-  call void @finch_panic_index(ptr @.str.5732, i64 5141, i64 %t158, i64 %t160)
+ok8736:
+  %t165 = getelementptr inbounds %S.gen.Gen, ptr %t163, i32 0, i32 15
+  %t166 = load i64, ptr %a155
+  %t167 = load { ptr, i64, i64 }, ptr %t165
+  %t168 = extractvalue { ptr, i64, i64 } %t167, 1
+  %t169 = icmp uge i64 %t166, %t168
+  br i1 %t169, label %range8737, label %inrange8738
+range8737:
+  call void @finch_panic_index(ptr @.str.5952, i64 5573, i64 %t166, i64 %t168)
   unreachable
-inrange8272:
-  %t162 = extractvalue { ptr, i64, i64 } %t159, 0
-  %t163 = getelementptr inbounds %S.gen.FnSig, ptr %t162, i64 %t158
-  %t164 = getelementptr inbounds %S.gen.FnSig, ptr %t163, i32 0, i32 16
-  %t165 = load i64, ptr %t164
-  %t166 = load { ptr, i64, i64 }, ptr %t154
-  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
-  %t168 = icmp uge i64 %t165, %t167
-  br i1 %t168, label %range8273, label %inrange8274
-range8273:
-  call void @finch_panic_index(ptr @.str.5733, i64 5141, i64 %t165, i64 %t167)
+inrange8738:
+  %t170 = extractvalue { ptr, i64, i64 } %t167, 0
+  %t171 = getelementptr inbounds %S.gen.FnSig, ptr %t170, i64 %t166
+  %t172 = getelementptr inbounds %S.gen.FnSig, ptr %t171, i32 0, i32 16
+  %t173 = load i64, ptr %t172
+  %t174 = load { ptr, i64, i64 }, ptr %t162
+  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
+  %t176 = icmp uge i64 %t173, %t175
+  br i1 %t176, label %range8739, label %inrange8740
+range8739:
+  call void @finch_panic_index(ptr @.str.5953, i64 5573, i64 %t173, i64 %t175)
   unreachable
-inrange8274:
-  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
-  %t170 = getelementptr inbounds %S.ast.Program, ptr %t169, i64 %t165
-  %t171 = getelementptr inbounds %S.ast.Program, ptr %t170, i32 0, i32 8
-  %t172 = load ptr, ptr %a46
-  %t173 = icmp eq ptr %t172, null
-  br i1 %t173, label %panic8275, label %ok8276
-panic8275:
-  call void @finch_panic(ptr @.str.5734, i64 5141, ptr @.str.5735)
+inrange8740:
+  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
+  %t178 = getelementptr inbounds %S.ast.Program, ptr %t177, i64 %t173
+  %t179 = getelementptr inbounds %S.ast.Program, ptr %t178, i32 0, i32 8
+  %t180 = load ptr, ptr %a46
+  %t181 = icmp eq ptr %t180, null
+  br i1 %t181, label %panic8741, label %ok8742
+panic8741:
+  call void @finch_panic(ptr @.str.5954, i64 5573, ptr @.str.5955)
   unreachable
-ok8276:
-  %t174 = getelementptr inbounds %S.gen.Gen, ptr %t172, i32 0, i32 14
-  %t175 = load i64, ptr %a147
-  %t176 = load { ptr, i64, i64 }, ptr %t174
-  %t177 = extractvalue { ptr, i64, i64 } %t176, 1
-  %t178 = icmp uge i64 %t175, %t177
-  br i1 %t178, label %range8277, label %inrange8278
-range8277:
-  call void @finch_panic_index(ptr @.str.5736, i64 5141, i64 %t175, i64 %t177)
+ok8742:
+  %t182 = getelementptr inbounds %S.gen.Gen, ptr %t180, i32 0, i32 15
+  %t183 = load i64, ptr %a155
+  %t184 = load { ptr, i64, i64 }, ptr %t182
+  %t185 = extractvalue { ptr, i64, i64 } %t184, 1
+  %t186 = icmp uge i64 %t183, %t185
+  br i1 %t186, label %range8743, label %inrange8744
+range8743:
+  call void @finch_panic_index(ptr @.str.5956, i64 5573, i64 %t183, i64 %t185)
   unreachable
-inrange8278:
-  %t179 = extractvalue { ptr, i64, i64 } %t176, 0
-  %t180 = getelementptr inbounds %S.gen.FnSig, ptr %t179, i64 %t175
-  %t181 = getelementptr inbounds %S.gen.FnSig, ptr %t180, i32 0, i32 17
-  %t182 = load i64, ptr %t181
-  %t183 = load { ptr, i64, i64 }, ptr %t171
-  %t184 = extractvalue { ptr, i64, i64 } %t183, 1
-  %t185 = icmp uge i64 %t182, %t184
-  br i1 %t185, label %range8279, label %inrange8280
-range8279:
-  call void @finch_panic_index(ptr @.str.5737, i64 5141, i64 %t182, i64 %t184)
-  unreachable
-inrange8280:
-  %t186 = extractvalue { ptr, i64, i64 } %t183, 0
-  %t187 = getelementptr inbounds %S.ast.Node, ptr %t186, i64 %t182
-  %t188 = load %S.ast.Node, ptr %t187
-  call void @finch.gen.fail(ptr %t151, %S.ast.Node %t188, { ptr, i64, i64 } { ptr @.str.5738, i64 82, i64 0 })
-  br label %endif8266
-endif8266:
-  br label %endif8263
-else8262:
-  %t189 = load i64, ptr %a147
-  %t190 = icmp slt i64 %t189, 0
-  br i1 %t190, label %then8281, label %endif8283
-then8281:
-  %t191 = load { ptr, i64, i64 }, ptr %a2
+inrange8744:
+  %t187 = extractvalue { ptr, i64, i64 } %t184, 0
+  %t188 = getelementptr inbounds %S.gen.FnSig, ptr %t187, i64 %t183
+  %t189 = getelementptr inbounds %S.gen.FnSig, ptr %t188, i32 0, i32 17
+  %t190 = load i64, ptr %t189
+  %t191 = load { ptr, i64, i64 }, ptr %t179
   %t192 = extractvalue { ptr, i64, i64 } %t191, 1
-  %t193 = icmp uge i64 0, %t192
-  br i1 %t193, label %range8284, label %inrange8285
-range8284:
-  call void @finch_panic_index(ptr @.str.5739, i64 5144, i64 0, i64 %t192)
+  %t193 = icmp uge i64 %t190, %t192
+  br i1 %t193, label %range8745, label %inrange8746
+range8745:
+  call void @finch_panic_index(ptr @.str.5957, i64 5573, i64 %t190, i64 %t192)
   unreachable
-inrange8285:
+inrange8746:
   %t194 = extractvalue { ptr, i64, i64 } %t191, 0
-  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i64 0
-  %t196 = load { ptr, i64, i64 }, ptr %t195
-  store { ptr, i64, i64 } %t196, ptr %a198
-  store { ptr, i64, i64 } { ptr @.str.5740, i64 64, i64 0 }, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  %t201 = extractvalue { ptr, i64, i64 } %t200, 1
-  %t202 = trunc i64 %t201 to i32
-  %t203 = extractvalue { ptr, i64, i64 } %t200, 0
-  %t204 = icmp eq ptr %t203, null
-  %t205 = select i1 %t204, ptr @.str.5741, ptr %t203
-  %t206 = call i32 (ptr, ...) @printf(ptr @.str.5742, i32 %t202, ptr %t205)
-  %t207 = call i32 (ptr, ...) @printf(ptr @.str.5743)
-  %t208 = trunc i64 1 to i32
-  %t209 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t208)
-  br label %endif8283
-endif8283:
-  br label %endif8263
-endif8263:
-  store i64 0, ptr %a210
-  br label %while.cond8286
-while.cond8286:
-  %t211 = load i64, ptr %a210
-  %t212 = load ptr, ptr %a46
-  %t213 = icmp eq ptr %t212, null
-  br i1 %t213, label %panic8289, label %ok8290
-panic8289:
-  call void @finch_panic(ptr @.str.5744, i64 5149, ptr @.str.5745)
+  %t195 = getelementptr inbounds %S.ast.Node, ptr %t194, i64 %t190
+  %t196 = load %S.ast.Node, ptr %t195
+  call void @finch.gen.fail(ptr %t159, %S.ast.Node %t196, { ptr, i64, i64 } { ptr @.str.5958, i64 82, i64 0 })
+  br label %endif8732
+endif8732:
+  br label %endif8729
+else8728:
+  %t197 = load i64, ptr %a155
+  %t198 = icmp slt i64 %t197, 0
+  br i1 %t198, label %then8747, label %endif8749
+then8747:
+  %t199 = load { ptr, i64, i64 }, ptr %a2
+  %t200 = extractvalue { ptr, i64, i64 } %t199, 1
+  %t201 = icmp uge i64 0, %t200
+  br i1 %t201, label %range8750, label %inrange8751
+range8750:
+  call void @finch_panic_index(ptr @.str.5959, i64 5576, i64 0, i64 %t200)
   unreachable
-ok8290:
-  %t214 = getelementptr inbounds %S.gen.Gen, ptr %t212, i32 0, i32 14
-  %t215 = getelementptr inbounds { ptr, i64, i64 }, ptr %t214, i32 0, i32 1
-  %t216 = load i64, ptr %t215
-  %t217 = icmp slt i64 %t211, %t216
-  br i1 %t217, label %while.body8287, label %while.end8288
-while.body8287:
-  %t218 = load ptr, ptr %a46
-  %t219 = load i64, ptr %a210
-  call void @finch.gen.define(ptr %t218, i64 %t219)
-  %t220 = load i64, ptr %a210
-  %t221 = add i64 %t220, 1
-  store i64 %t221, ptr %a210
-  br label %while.cond8286
-while.end8288:
-  %t222 = load ptr, ptr %a46
-  %t223 = icmp eq ptr %t222, null
-  br i1 %t223, label %panic8291, label %ok8292
-panic8291:
-  call void @finch_panic(ptr @.str.5746, i64 5153, ptr @.str.5747)
+inrange8751:
+  %t202 = extractvalue { ptr, i64, i64 } %t199, 0
+  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t202, i64 0
+  %t204 = load { ptr, i64, i64 }, ptr %t203
+  store { ptr, i64, i64 } %t204, ptr %a206
+  store { ptr, i64, i64 } { ptr @.str.5960, i64 64, i64 0 }, ptr %a207
+  call void @finch_str_concat(ptr %a205, ptr %a206, ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a205
+  %t209 = extractvalue { ptr, i64, i64 } %t208, 1
+  %t210 = trunc i64 %t209 to i32
+  %t211 = extractvalue { ptr, i64, i64 } %t208, 0
+  %t212 = icmp eq ptr %t211, null
+  %t213 = select i1 %t212, ptr @.str.5961, ptr %t211
+  %t214 = call i32 (ptr, ...) @printf(ptr @.str.5962, i32 %t210, ptr %t213)
+  store { ptr, i64, i64 } %t208, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = call i32 (ptr, ...) @printf(ptr @.str.5963)
+  %t217 = trunc i64 1 to i32
+  %t218 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t217)
+  br label %endif8749
+endif8749:
+  br label %endif8729
+endif8729:
+  store i64 0, ptr %a219
+  br label %while.cond8752
+while.cond8752:
+  %t220 = load i64, ptr %a219
+  %t221 = load ptr, ptr %a46
+  %t222 = icmp eq ptr %t221, null
+  br i1 %t222, label %panic8755, label %ok8756
+panic8755:
+  call void @finch_panic(ptr @.str.5964, i64 5581, ptr @.str.5965)
   unreachable
-ok8292:
-  %t224 = getelementptr inbounds %S.gen.Gen, ptr %t222, i32 0, i32 26
-  %t225 = load i1, ptr %t224
-  br i1 %t225, label %then8293, label %endif8295
-then8293:
-  %t226 = load ptr, ptr %a46
-  %t227 = icmp eq ptr %t226, null
-  br i1 %t227, label %panic8296, label %ok8297
-panic8296:
-  call void @finch_panic(ptr @.str.5748, i64 5154, ptr @.str.5749)
+ok8756:
+  %t223 = getelementptr inbounds %S.gen.Gen, ptr %t221, i32 0, i32 15
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i32 0, i32 1
+  %t225 = load i64, ptr %t224
+  %t226 = icmp slt i64 %t220, %t225
+  br i1 %t226, label %while.body8753, label %while.end8754
+while.body8753:
+  %t227 = load ptr, ptr %a46
+  %t228 = load i64, ptr %a219
+  call void @finch.gen.define(ptr %t227, i64 %t228)
+  %t229 = load i64, ptr %a219
+  %t230 = add i64 %t229, 1
+  store i64 %t230, ptr %a219
+  br label %while.cond8752
+while.end8754:
+  %t231 = load ptr, ptr %a46
+  %t232 = icmp eq ptr %t231, null
+  br i1 %t232, label %panic8757, label %ok8758
+panic8757:
+  call void @finch_panic(ptr @.str.5966, i64 5585, ptr @.str.5967)
   unreachable
-ok8297:
-  %t228 = getelementptr inbounds %S.gen.Gen, ptr %t226, i32 0, i32 0
-  %t229 = load { ptr, i64, i64 }, ptr %t228
-  %t230 = extractvalue { ptr, i64, i64 } %t229, 1
-  %t231 = icmp uge i64 0, %t230
-  br i1 %t231, label %range8298, label %inrange8299
-range8298:
-  call void @finch_panic_index(ptr @.str.5750, i64 5154, i64 0, i64 %t230)
+ok8758:
+  %t233 = getelementptr inbounds %S.gen.Gen, ptr %t231, i32 0, i32 27
+  %t234 = load i1, ptr %t233
+  br i1 %t234, label %then8759, label %endif8761
+then8759:
+  %t235 = load ptr, ptr %a46
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic8762, label %ok8763
+panic8762:
+  call void @finch_panic(ptr @.str.5968, i64 5586, ptr @.str.5969)
   unreachable
-inrange8299:
-  %t232 = extractvalue { ptr, i64, i64 } %t229, 0
-  %t233 = getelementptr inbounds %S.ast.Program, ptr %t232, i64 0
-  %t234 = getelementptr inbounds %S.ast.Program, ptr %t233, i32 0, i32 2
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  store { ptr, i64, i64 } %t235, ptr %a236
-  call void @finch.copy.arr_str(ptr %a237, ptr %a236)
-  %t238 = load { ptr, i64, i64 }, ptr %a237
-  store { ptr, i64, i64 } %t238, ptr %a239
-  %t240 = load ptr, ptr %a46
-  %t241 = load { ptr, i64, i64 }, ptr %a239
-  call void @finch.gen.indexAll(ptr %t240, { ptr, i64, i64 } %t241)
-  %t242 = load ptr, ptr %a46
-  %t243 = icmp eq ptr %t242, null
-  br i1 %t243, label %panic8300, label %ok8301
-panic8300:
-  call void @finch_panic(ptr @.str.5751, i64 5156, ptr @.str.5752)
+ok8763:
+  %t237 = getelementptr inbounds %S.gen.Gen, ptr %t235, i32 0, i32 0
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
+  %t240 = icmp uge i64 0, %t239
+  br i1 %t240, label %range8764, label %inrange8765
+range8764:
+  call void @finch_panic_index(ptr @.str.5970, i64 5586, i64 0, i64 %t239)
   unreachable
-ok8301:
-  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 27
-  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %t244, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5753, i64 1, i64 0 }, ptr %a246
-  call void @finch_str_join(ptr %a247, ptr %t244, ptr %a246)
-  %t248 = load { ptr, i64, i64 }, ptr %a247
-  ret { ptr, i64, i64 } %t248
-endif8295:
+inrange8765:
+  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
+  %t242 = getelementptr inbounds %S.ast.Program, ptr %t241, i64 0
+  %t243 = getelementptr inbounds %S.ast.Program, ptr %t242, i32 0, i32 2
+  %t244 = load { ptr, i64, i64 }, ptr %t243
+  store { ptr, i64, i64 } %t244, ptr %a245
+  call void @finch.copy.arr_str(ptr %a246, ptr %a245)
+  %t247 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t247, ptr %a248
   %t249 = load ptr, ptr %a46
-  %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic8302, label %ok8303
-panic8302:
-  call void @finch_panic(ptr @.str.5754, i64 5158, ptr @.str.5755)
+  %t250 = load { ptr, i64, i64 }, ptr %a248
+  call void @finch.gen.indexAll(ptr %t249, { ptr, i64, i64 } %t250)
+  %t251 = load ptr, ptr %a46
+  %t252 = icmp eq ptr %t251, null
+  br i1 %t252, label %panic8766, label %ok8767
+panic8766:
+  call void @finch_panic(ptr @.str.5971, i64 5588, ptr @.str.5972)
   unreachable
-ok8303:
-  %t251 = getelementptr inbounds %S.gen.Gen, ptr %t249, i32 0, i32 14
-  store i64 0, ptr %a252
-  br label %each.cond8304
-each.cond8304:
-  %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t251, i32 0, i32 1
-  %t254 = load i64, ptr %t253
-  %t255 = load i64, ptr %a252
-  %t256 = icmp slt i64 %t255, %t254
-  br i1 %t256, label %each.body8305, label %each.end8307
-each.body8305:
-  %t257 = load ptr, ptr %t251
-  %t258 = getelementptr inbounds %S.gen.FnSig, ptr %t257, i64 %t255
-  %t259 = load %S.gen.FnSig, ptr %t258
-  store %S.gen.FnSig %t259, ptr %a260
-  %t261 = getelementptr inbounds %S.gen.FnSig, ptr %a260, i32 0, i32 5
-  %t262 = load i1, ptr %t261
-  br i1 %t262, label %then8308, label %endif8310
-then8308:
-  %t263 = load ptr, ptr %a46
-  %t264 = load %S.gen.FnSig, ptr %a260
-  %t265 = call { ptr, i64, i64 } @finch.gen.exportWrapper(ptr %t263, %S.gen.FnSig %t264)
-  br label %endif8310
-endif8310:
-  br label %each.step8306
-each.step8306:
-  %t266 = load i64, ptr %a252
-  %t267 = add i64 %t266, 1
-  store i64 %t267, ptr %a252
-  br label %each.cond8304
-each.end8307:
-  %t268 = load i1, ptr %a7
-  br i1 %t268, label %then8311, label %endif8313
-then8311:
-  store { ptr, i64, i64 } { ptr @.str.5756, i64 0, i64 0 }, ptr %a269
-  %t270 = load ptr, ptr %a46
-  %t271 = icmp eq ptr %t270, null
-  br i1 %t271, label %panic8314, label %ok8315
-panic8314:
-  call void @finch_panic(ptr @.str.5757, i64 5166, ptr @.str.5758)
+ok8767:
+  %t253 = getelementptr inbounds %S.gen.Gen, ptr %t251, i32 0, i32 28
+  %t254 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5973, i64 1, i64 0 }, ptr %a255
+  call void @finch_str_join(ptr %a256, ptr %t253, ptr %a255)
+  %t257 = load { ptr, i64, i64 }, ptr %a256
+  call void @finch.drop.arr_str(ptr %a248)
+  call void @finch.drop.S_gen_Gen(ptr %a45)
+  ret { ptr, i64, i64 } %t257
+endif8761:
+  %t258 = load ptr, ptr %a46
+  %t259 = icmp eq ptr %t258, null
+  br i1 %t259, label %panic8791, label %ok8792
+panic8791:
+  call void @finch_panic(ptr @.str.5974, i64 5590, ptr @.str.5975)
   unreachable
-ok8315:
-  %t272 = getelementptr inbounds %S.gen.Gen, ptr %t270, i32 0, i32 29
-  %t273 = getelementptr inbounds %S.platform.Target, ptr %t272, i32 0, i32 1
-  %t274 = load i1, ptr %t273
-  br i1 %t274, label %then8316, label %endif8318
-then8316:
-  store { ptr, i64, i64 } { ptr @.str.5759, i64 10, i64 0 }, ptr %a269
-  br label %endif8318
-endif8318:
-  %t275 = load ptr, ptr %a46
-  %t276 = icmp eq ptr %t275, null
-  br i1 %t276, label %panic8319, label %ok8320
-panic8319:
-  call void @finch_panic(ptr @.str.5760, i64 5169, ptr @.str.5761)
+ok8792:
+  %t260 = getelementptr inbounds %S.gen.Gen, ptr %t258, i32 0, i32 15
+  store i64 0, ptr %a261
+  br label %each.cond8793
+each.cond8793:
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t260, i32 0, i32 1
+  %t263 = load i64, ptr %t262
+  %t264 = load i64, ptr %a261
+  %t265 = icmp slt i64 %t264, %t263
+  br i1 %t265, label %each.body8794, label %each.end8796
+each.body8794:
+  %t266 = load ptr, ptr %t260
+  %t267 = getelementptr inbounds %S.gen.FnSig, ptr %t266, i64 %t264
+  %t268 = load %S.gen.FnSig, ptr %t267
+  store %S.gen.FnSig %t268, ptr %a269
+  %t270 = getelementptr inbounds %S.gen.FnSig, ptr %a269, i32 0, i32 5
+  %t271 = load i1, ptr %t270
+  br i1 %t271, label %then8797, label %endif8799
+then8797:
+  %t272 = load ptr, ptr %a46
+  %t273 = load %S.gen.FnSig, ptr %a269
+  %t274 = call { ptr, i64, i64 } @finch.gen.exportWrapper(ptr %t272, %S.gen.FnSig %t273)
+  store { ptr, i64, i64 } %t274, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  br label %endif8799
+endif8799:
+  br label %each.step8795
+each.step8795:
+  %t276 = load i64, ptr %a261
+  %t277 = add i64 %t276, 1
+  store i64 %t277, ptr %a261
+  br label %each.cond8793
+each.end8796:
+  %t278 = load i1, ptr %a7
+  br i1 %t278, label %then8800, label %endif8802
+then8800:
+  store { ptr, i64, i64 } { ptr @.str.5976, i64 0, i64 0 }, ptr %a279
+  %t280 = load ptr, ptr %a46
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic8803, label %ok8804
+panic8803:
+  call void @finch_panic(ptr @.str.5977, i64 5598, ptr @.str.5978)
   unreachable
-ok8320:
-  %t277 = getelementptr inbounds %S.gen.Gen, ptr %t275, i32 0, i32 3
-  %t278 = getelementptr inbounds { ptr, i64, i64 }, ptr %t277, i32 0, i32 1
-  %t279 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } { ptr @.str.5762, i64 6, i64 0 }, ptr %a281
-  store { ptr, i64, i64 } %t279, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } %t283, ptr %a285
-  store { ptr, i64, i64 } { ptr @.str.5763, i64 107, i64 0 }, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  %t288 = load i64, ptr %t278
-  %t289 = add i64 %t288, 1
-  call void @finch_arr_reserve(ptr %t277, i64 %t289, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t290 = load ptr, ptr %t277
-  %t291 = getelementptr inbounds { ptr, i64, i64 }, ptr %t290, i64 %t288
-  store { ptr, i64, i64 } %t287, ptr %t291
-  store i64 %t289, ptr %t278
-  %t292 = load ptr, ptr %a46
-  %t293 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t292)
-  ret { ptr, i64, i64 } %t293
-endif8313:
-  %t294 = load ptr, ptr %a46
-  %t295 = icmp eq ptr %t294, null
-  br i1 %t295, label %panic8321, label %ok8322
-panic8321:
-  call void @finch_panic(ptr @.str.5764, i64 5173, ptr @.str.5765)
+ok8804:
+  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 30
+  %t283 = getelementptr inbounds %S.platform.Target, ptr %t282, i32 0, i32 1
+  %t284 = load i1, ptr %t283
+  br i1 %t284, label %then8805, label %endif8807
+then8805:
+  %t285 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.5979, i64 10, i64 0 }, ptr %a279
+  store { ptr, i64, i64 } %t285, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  br label %endif8807
+endif8807:
+  %t287 = load ptr, ptr %a46
+  %t288 = icmp eq ptr %t287, null
+  br i1 %t288, label %panic8808, label %ok8809
+panic8808:
+  call void @finch_panic(ptr @.str.5980, i64 5601, ptr @.str.5981)
   unreachable
-ok8322:
-  %t296 = getelementptr inbounds %S.gen.Gen, ptr %t294, i32 0, i32 14
-  %t297 = load i64, ptr %a147
-  %t298 = load { ptr, i64, i64 }, ptr %t296
-  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
-  %t300 = icmp uge i64 %t297, %t299
-  br i1 %t300, label %range8323, label %inrange8324
-range8323:
-  call void @finch_panic_index(ptr @.str.5766, i64 5173, i64 %t297, i64 %t299)
+ok8809:
+  %t289 = getelementptr inbounds %S.gen.Gen, ptr %t287, i32 0, i32 3
+  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i32 0, i32 1
+  %t291 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.5982, i64 6, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t295, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.5983, i64 107, i64 0 }, ptr %a298
+  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
+  store { ptr, i64, i64 } %t295, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a296
+  %t301 = load i64, ptr %t290
+  %t302 = add i64 %t301, 1
+  call void @finch_arr_reserve(ptr %t289, i64 %t302, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t303 = load ptr, ptr %t289
+  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %t303, i64 %t301
+  store { ptr, i64, i64 } %t300, ptr %t304
+  store i64 %t302, ptr %t290
+  %t305 = load ptr, ptr %a46
+  %t306 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t305)
+  call void @finch_str_drop(ptr %a279)
+  call void @finch.drop.S_gen_Gen(ptr %a45)
+  ret { ptr, i64, i64 } %t306
+endif8802:
+  %t307 = load ptr, ptr %a46
+  %t308 = icmp eq ptr %t307, null
+  br i1 %t308, label %panic8810, label %ok8811
+panic8810:
+  call void @finch_panic(ptr @.str.5984, i64 5605, ptr @.str.5985)
   unreachable
-inrange8324:
-  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
-  %t302 = getelementptr inbounds %S.gen.FnSig, ptr %t301, i64 %t297
-  %t303 = load %S.gen.FnSig, ptr %t302
-  store %S.gen.FnSig %t303, ptr %a304
-  call void @finch.copy.S_gen_FnSig(ptr %a305, ptr %a304)
-  %t306 = load %S.gen.FnSig, ptr %a305
-  store %S.gen.FnSig %t306, ptr %a307
-  %t308 = load ptr, ptr %a46
-  %t309 = load %S.gen.FnSig, ptr %a307
-  %t310 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t308, %S.gen.FnSig %t309)
-  store { ptr, i64, i64 } { ptr @.str.5767, i64 5, i64 0 }, ptr %a312
-  store { ptr, i64, i64 } %t310, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.5768, i64 1, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 11
-  %t320 = load { ptr, i64, i64 }, ptr %t319
-  store { ptr, i64, i64 } %t318, ptr %a322
-  store { ptr, i64, i64 } %t320, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  store { ptr, i64, i64 } %t324, ptr %a326
-  store { ptr, i64, i64 } { ptr @.str.5769, i64 1, i64 0 }, ptr %a327
-  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
-  %t328 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t328, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5770, i64 0, i64 0 }, ptr %a330
-  %t331 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 13
-  %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i32 0, i32 1
-  %t333 = load i64, ptr %t332
-  %t334 = icmp eq i64 %t333, 1
-  br i1 %t334, label %then8325, label %endif8327
-then8325:
-  store { ptr, i64, i64 } { ptr @.str.5771, i64 133, i64 0 }, ptr %a330
-  %t335 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t335, ptr %a337
-  store { ptr, i64, i64 } { ptr @.str.5772, i64 20, i64 0 }, ptr %a338
+ok8811:
+  %t309 = getelementptr inbounds %S.gen.Gen, ptr %t307, i32 0, i32 15
+  %t310 = load i64, ptr %a155
+  %t311 = load { ptr, i64, i64 }, ptr %t309
+  %t312 = extractvalue { ptr, i64, i64 } %t311, 1
+  %t313 = icmp uge i64 %t310, %t312
+  br i1 %t313, label %range8812, label %inrange8813
+range8812:
+  call void @finch_panic_index(ptr @.str.5986, i64 5605, i64 %t310, i64 %t312)
+  unreachable
+inrange8813:
+  %t314 = extractvalue { ptr, i64, i64 } %t311, 0
+  %t315 = getelementptr inbounds %S.gen.FnSig, ptr %t314, i64 %t310
+  %t316 = load %S.gen.FnSig, ptr %t315
+  store %S.gen.FnSig %t316, ptr %a317
+  call void @finch.copy.S_gen_FnSig(ptr %a318, ptr %a317)
+  %t319 = load %S.gen.FnSig, ptr %a318
+  store %S.gen.FnSig %t319, ptr %a320
+  %t321 = load ptr, ptr %a46
+  %t322 = load %S.gen.FnSig, ptr %a320
+  %t323 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t321, %S.gen.FnSig %t322)
+  store { ptr, i64, i64 } { ptr @.str.5987, i64 5, i64 0 }, ptr %a325
+  store { ptr, i64, i64 } %t323, ptr %a326
+  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
+  store { ptr, i64, i64 } %t323, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  %t328 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t328, ptr %a330
+  store { ptr, i64, i64 } { ptr @.str.5988, i64 1, i64 0 }, ptr %a331
+  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
+  store { ptr, i64, i64 } %t328, ptr %a332
+  call void @finch_str_drop(ptr %a332)
+  %t333 = load { ptr, i64, i64 }, ptr %a329
+  %t334 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 11
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t333, ptr %a337
+  store { ptr, i64, i64 } %t335, ptr %a338
   call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
-  %t339 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } %t339, ptr %a329
-  br label %endif8327
-endif8327:
-  %t340 = load { ptr, i64, i64 }, ptr %a329
+  store { ptr, i64, i64 } %t333, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
   store { ptr, i64, i64 } %t340, ptr %a342
-  store { ptr, i64, i64 } { ptr @.str.5773, i64 1, i64 0 }, ptr %a343
+  store { ptr, i64, i64 } { ptr @.str.5989, i64 1, i64 0 }, ptr %a343
   call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5774, i64 12, i64 0 }, ptr %a345
-  %t346 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 9
-  %t347 = load i1, ptr %t346
-  br i1 %t347, label %then8328, label %else8329
-then8328:
-  %t348 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5775, i64 5, i64 0 }, ptr %a350
-  store { ptr, i64, i64 } %t348, ptr %a351
-  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
-  %t352 = load { ptr, i64, i64 }, ptr %a349
-  store { ptr, i64, i64 } %t352, ptr %a329
-  %t353 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t353, ptr %a355
-  store { ptr, i64, i64 } { ptr @.str.5776, i64 2, i64 0 }, ptr %a356
-  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  %t358 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t357, ptr %a360
-  store { ptr, i64, i64 } %t358, ptr %a361
-  call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
-  %t362 = load { ptr, i64, i64 }, ptr %a359
-  store { ptr, i64, i64 } %t362, ptr %a364
-  store { ptr, i64, i64 } { ptr @.str.5777, i64 1, i64 0 }, ptr %a365
-  call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
-  %t366 = load { ptr, i64, i64 }, ptr %a363
-  store { ptr, i64, i64 } %t366, ptr %a330
-  store { ptr, i64, i64 } { ptr @.str.5778, i64 0, i64 0 }, ptr %a329
-  %t367 = load ptr, ptr %a46
-  %t368 = load %S.gen.FnSig, ptr %a307
-  %t369 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t367, %S.gen.FnSig %t368)
-  store { ptr, i64, i64 } %t369, ptr %a370
-  %t371 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t371, ptr %a373
-  store { ptr, i64, i64 } { ptr @.str.5779, i64 21, i64 0 }, ptr %a374
+  store { ptr, i64, i64 } %t340, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load { ptr, i64, i64 }, ptr %a341
+  store { ptr, i64, i64 } %t345, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.5990, i64 0, i64 0 }, ptr %a347
+  %t348 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 13
+  %t349 = getelementptr inbounds { ptr, i64, i64 }, ptr %t348, i32 0, i32 1
+  %t350 = load i64, ptr %t349
+  %t351 = icmp eq i64 %t350, 1
+  br i1 %t351, label %then8814, label %endif8816
+then8814:
+  %t352 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } { ptr @.str.5991, i64 133, i64 0 }, ptr %a347
+  store { ptr, i64, i64 } %t352, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  %t354 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t354, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5992, i64 20, i64 0 }, ptr %a357
+  call void @finch_str_concat(ptr %a355, ptr %a356, ptr %a357)
+  %t358 = load { ptr, i64, i64 }, ptr %a355
+  %t359 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t358, ptr %a346
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  br label %endif8816
+endif8816:
+  %t361 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t361, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.5993, i64 1, i64 0 }, ptr %a364
+  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a362
+  %t366 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t365, ptr %a346
+  store { ptr, i64, i64 } %t366, ptr %a367
+  call void @finch_str_drop(ptr %a367)
+  store { ptr, i64, i64 } { ptr @.str.5994, i64 12, i64 0 }, ptr %a368
+  %t369 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 9
+  %t370 = load i1, ptr %t369
+  br i1 %t370, label %then8817, label %else8818
+then8817:
+  %t371 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.5995, i64 5, i64 0 }, ptr %a373
+  store { ptr, i64, i64 } %t371, ptr %a374
   call void @finch_str_concat(ptr %a372, ptr %a373, ptr %a374)
   %t375 = load { ptr, i64, i64 }, ptr %a372
-  %t376 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } %t375, ptr %a378
-  store { ptr, i64, i64 } %t376, ptr %a379
-  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
-  %t380 = load { ptr, i64, i64 }, ptr %a377
-  store { ptr, i64, i64 } %t380, ptr %a382
-  store { ptr, i64, i64 } { ptr @.str.5780, i64 62, i64 0 }, ptr %a383
-  call void @finch_str_concat(ptr %a381, ptr %a382, ptr %a383)
-  %t384 = load { ptr, i64, i64 }, ptr %a381
-  store { ptr, i64, i64 } %t384, ptr %a330
-  %t385 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t385, ptr %a387
-  store { ptr, i64, i64 } { ptr @.str.5781, i64 20, i64 0 }, ptr %a388
-  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
-  %t389 = load { ptr, i64, i64 }, ptr %a386
-  %t390 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } %t389, ptr %a392
-  store { ptr, i64, i64 } %t390, ptr %a393
-  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
-  %t394 = load { ptr, i64, i64 }, ptr %a391
-  store { ptr, i64, i64 } %t394, ptr %a396
-  store { ptr, i64, i64 } { ptr @.str.5782, i64 78, i64 0 }, ptr %a397
-  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
-  %t398 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t398, ptr %a330
-  %t399 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t399, ptr %a401
-  store { ptr, i64, i64 } { ptr @.str.5783, i64 62, i64 0 }, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t403, ptr %a330
-  %t404 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 12
-  %t405 = getelementptr inbounds %S.ast.Type, ptr %t404, i32 0, i32 0
-  %t406 = load { ptr, i64, i64 }, ptr %t405
-  store { ptr, i64, i64 } %t406, ptr %a407
-  store { ptr, i64, i64 } { ptr @.str.5784, i64 3, i64 0 }, ptr %a408
-  %t409 = call i32 @finch_str_eq(ptr %a407, ptr %a408)
-  %t410 = icmp ne i32 %t409, 0
-  br i1 %t410, label %then8331, label %endif8333
-then8331:
-  %t411 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } { ptr @.str.5785, i64 20, i64 0 }, ptr %a413
-  store { ptr, i64, i64 } %t411, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  store { ptr, i64, i64 } %t415, ptr %a417
-  store { ptr, i64, i64 } { ptr @.str.5786, i64 53, i64 0 }, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  store { ptr, i64, i64 } %t419, ptr %a345
-  br label %endif8333
-endif8333:
-  br label %endif8330
-else8329:
-  %t420 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 12
-  %t421 = getelementptr inbounds %S.ast.Type, ptr %t420, i32 0, i32 0
-  %t422 = load { ptr, i64, i64 }, ptr %t421
-  store { ptr, i64, i64 } %t422, ptr %a423
-  store { ptr, i64, i64 } { ptr @.str.5787, i64 3, i64 0 }, ptr %a424
-  %t425 = call i32 @finch_str_eq(ptr %a423, ptr %a424)
-  %t426 = icmp ne i32 %t425, 0
-  br i1 %t426, label %then8334, label %endif8336
-then8334:
-  %t427 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5788, i64 5, i64 0 }, ptr %a429
-  store { ptr, i64, i64 } %t427, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  store { ptr, i64, i64 } %t431, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5789, i64 46, i64 0 }, ptr %a345
-  br label %endif8336
-endif8336:
-  br label %endif8330
-endif8330:
-  %t432 = load ptr, ptr %a46
-  %t433 = icmp eq ptr %t432, null
-  br i1 %t433, label %panic8337, label %ok8338
-panic8337:
-  call void @finch_panic(ptr @.str.5790, i64 5198, ptr @.str.5791)
+  %t376 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t375, ptr %a346
+  store { ptr, i64, i64 } %t376, ptr %a377
+  call void @finch_str_drop(ptr %a377)
+  %t378 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t378, ptr %a380
+  store { ptr, i64, i64 } { ptr @.str.5996, i64 2, i64 0 }, ptr %a381
+  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
+  %t382 = load { ptr, i64, i64 }, ptr %a379
+  %t383 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t382, ptr %a385
+  store { ptr, i64, i64 } %t383, ptr %a386
+  call void @finch_str_concat(ptr %a384, ptr %a385, ptr %a386)
+  store { ptr, i64, i64 } %t382, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a384
+  store { ptr, i64, i64 } %t388, ptr %a390
+  store { ptr, i64, i64 } { ptr @.str.5997, i64 1, i64 0 }, ptr %a391
+  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
+  store { ptr, i64, i64 } %t388, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  %t394 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t393, ptr %a347
+  store { ptr, i64, i64 } %t394, ptr %a395
+  call void @finch_str_drop(ptr %a395)
+  %t396 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.5998, i64 0, i64 0 }, ptr %a346
+  store { ptr, i64, i64 } %t396, ptr %a397
+  call void @finch_str_drop(ptr %a397)
+  %t398 = load ptr, ptr %a46
+  %t399 = load %S.gen.FnSig, ptr %a320
+  %t400 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t398, %S.gen.FnSig %t399)
+  store { ptr, i64, i64 } %t400, ptr %a401
+  %t402 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t402, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.5999, i64 21, i64 0 }, ptr %a405
+  call void @finch_str_concat(ptr %a403, ptr %a404, ptr %a405)
+  %t406 = load { ptr, i64, i64 }, ptr %a403
+  %t407 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } %t406, ptr %a409
+  store { ptr, i64, i64 } %t407, ptr %a410
+  call void @finch_str_concat(ptr %a408, ptr %a409, ptr %a410)
+  store { ptr, i64, i64 } %t406, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  %t412 = load { ptr, i64, i64 }, ptr %a408
+  store { ptr, i64, i64 } %t412, ptr %a414
+  store { ptr, i64, i64 } { ptr @.str.6000, i64 62, i64 0 }, ptr %a415
+  call void @finch_str_concat(ptr %a413, ptr %a414, ptr %a415)
+  store { ptr, i64, i64 } %t412, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a413
+  %t418 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t417, ptr %a347
+  store { ptr, i64, i64 } %t418, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t420, ptr %a422
+  store { ptr, i64, i64 } { ptr @.str.6001, i64 20, i64 0 }, ptr %a423
+  call void @finch_str_concat(ptr %a421, ptr %a422, ptr %a423)
+  %t424 = load { ptr, i64, i64 }, ptr %a421
+  %t425 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } %t424, ptr %a427
+  store { ptr, i64, i64 } %t425, ptr %a428
+  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
+  store { ptr, i64, i64 } %t424, ptr %a429
+  call void @finch_str_drop(ptr %a429)
+  %t430 = load { ptr, i64, i64 }, ptr %a426
+  store { ptr, i64, i64 } %t430, ptr %a432
+  store { ptr, i64, i64 } { ptr @.str.6002, i64 78, i64 0 }, ptr %a433
+  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
+  store { ptr, i64, i64 } %t430, ptr %a434
+  call void @finch_str_drop(ptr %a434)
+  %t435 = load { ptr, i64, i64 }, ptr %a431
+  %t436 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t435, ptr %a347
+  store { ptr, i64, i64 } %t436, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t438, ptr %a440
+  store { ptr, i64, i64 } { ptr @.str.6003, i64 62, i64 0 }, ptr %a441
+  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
+  %t442 = load { ptr, i64, i64 }, ptr %a439
+  %t443 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t442, ptr %a347
+  store { ptr, i64, i64 } %t443, ptr %a444
+  call void @finch_str_drop(ptr %a444)
+  %t445 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 12
+  %t446 = getelementptr inbounds %S.ast.Type, ptr %t445, i32 0, i32 0
+  %t447 = load { ptr, i64, i64 }, ptr %t446
+  store { ptr, i64, i64 } %t447, ptr %a448
+  store { ptr, i64, i64 } { ptr @.str.6004, i64 3, i64 0 }, ptr %a449
+  %t450 = call i32 @finch_str_eq(ptr %a448, ptr %a449)
+  %t451 = icmp ne i32 %t450, 0
+  br i1 %t451, label %then8820, label %endif8822
+then8820:
+  %t452 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } { ptr @.str.6005, i64 20, i64 0 }, ptr %a454
+  store { ptr, i64, i64 } %t452, ptr %a455
+  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
+  %t456 = load { ptr, i64, i64 }, ptr %a453
+  store { ptr, i64, i64 } %t456, ptr %a458
+  store { ptr, i64, i64 } { ptr @.str.6006, i64 53, i64 0 }, ptr %a459
+  call void @finch_str_concat(ptr %a457, ptr %a458, ptr %a459)
+  store { ptr, i64, i64 } %t456, ptr %a460
+  call void @finch_str_drop(ptr %a460)
+  %t461 = load { ptr, i64, i64 }, ptr %a457
+  %t462 = load { ptr, i64, i64 }, ptr %a368
+  store { ptr, i64, i64 } %t461, ptr %a368
+  store { ptr, i64, i64 } %t462, ptr %a463
+  call void @finch_str_drop(ptr %a463)
+  br label %endif8822
+endif8822:
+  call void @finch_str_drop(ptr %a401)
+  br label %endif8819
+else8818:
+  %t464 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 12
+  %t465 = getelementptr inbounds %S.ast.Type, ptr %t464, i32 0, i32 0
+  %t466 = load { ptr, i64, i64 }, ptr %t465
+  store { ptr, i64, i64 } %t466, ptr %a467
+  store { ptr, i64, i64 } { ptr @.str.6007, i64 3, i64 0 }, ptr %a468
+  %t469 = call i32 @finch_str_eq(ptr %a467, ptr %a468)
+  %t470 = icmp ne i32 %t469, 0
+  br i1 %t470, label %then8823, label %endif8825
+then8823:
+  %t471 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.6008, i64 5, i64 0 }, ptr %a473
+  store { ptr, i64, i64 } %t471, ptr %a474
+  call void @finch_str_concat(ptr %a472, ptr %a473, ptr %a474)
+  %t475 = load { ptr, i64, i64 }, ptr %a472
+  %t476 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t475, ptr %a346
+  store { ptr, i64, i64 } %t476, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  %t478 = load { ptr, i64, i64 }, ptr %a368
+  store { ptr, i64, i64 } { ptr @.str.6009, i64 46, i64 0 }, ptr %a368
+  store { ptr, i64, i64 } %t478, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  br label %endif8825
+endif8825:
+  br label %endif8819
+endif8819:
+  %t480 = load ptr, ptr %a46
+  %t481 = icmp eq ptr %t480, null
+  br i1 %t481, label %panic8826, label %ok8827
+panic8826:
+  call void @finch_panic(ptr @.str.6010, i64 5630, ptr @.str.6011)
   unreachable
-ok8338:
-  %t434 = getelementptr inbounds %S.gen.Gen, ptr %t432, i32 0, i32 3
-  %t435 = getelementptr inbounds { ptr, i64, i64 }, ptr %t434, i32 0, i32 1
-  %t436 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } { ptr @.str.5792, i64 48, i64 0 }, ptr %a438
-  store { ptr, i64, i64 } %t436, ptr %a439
-  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
-  %t440 = load { ptr, i64, i64 }, ptr %a437
-  store { ptr, i64, i64 } %t440, ptr %a442
-  store { ptr, i64, i64 } { ptr @.str.5793, i64 2, i64 0 }, ptr %a443
-  call void @finch_str_concat(ptr %a441, ptr %a442, ptr %a443)
-  %t444 = load { ptr, i64, i64 }, ptr %a441
-  %t445 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t444, ptr %a447
-  store { ptr, i64, i64 } %t445, ptr %a448
-  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
-  %t449 = load { ptr, i64, i64 }, ptr %a446
-  store { ptr, i64, i64 } %t449, ptr %a451
-  store { ptr, i64, i64 } { ptr @.str.5794, i64 1, i64 0 }, ptr %a452
-  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
-  %t453 = load { ptr, i64, i64 }, ptr %a450
-  %t454 = load { ptr, i64, i64 }, ptr %a345
-  store { ptr, i64, i64 } %t453, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
-  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
-  %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.5795, i64 2, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load i64, ptr %t435
-  %t464 = add i64 %t463, 1
-  call void @finch_arr_reserve(ptr %t434, i64 %t464, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t465 = load ptr, ptr %t434
-  %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t465, i64 %t463
-  store { ptr, i64, i64 } %t462, ptr %t466
-  store i64 %t464, ptr %t435
-  %t467 = load ptr, ptr %a46
-  %t468 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t467)
-  ret { ptr, i64, i64 } %t468
+ok8827:
+  %t482 = getelementptr inbounds %S.gen.Gen, ptr %t480, i32 0, i32 3
+  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i32 0, i32 1
+  %t484 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } { ptr @.str.6012, i64 48, i64 0 }, ptr %a486
+  store { ptr, i64, i64 } %t484, ptr %a487
+  call void @finch_str_concat(ptr %a485, ptr %a486, ptr %a487)
+  %t488 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } %t488, ptr %a490
+  store { ptr, i64, i64 } { ptr @.str.6013, i64 2, i64 0 }, ptr %a491
+  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
+  store { ptr, i64, i64 } %t488, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = load { ptr, i64, i64 }, ptr %a489
+  %t494 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t493, ptr %a496
+  store { ptr, i64, i64 } %t494, ptr %a497
+  call void @finch_str_concat(ptr %a495, ptr %a496, ptr %a497)
+  store { ptr, i64, i64 } %t493, ptr %a498
+  call void @finch_str_drop(ptr %a498)
+  %t499 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } %t499, ptr %a501
+  store { ptr, i64, i64 } { ptr @.str.6014, i64 1, i64 0 }, ptr %a502
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  store { ptr, i64, i64 } %t499, ptr %a503
+  call void @finch_str_drop(ptr %a503)
+  %t504 = load { ptr, i64, i64 }, ptr %a500
+  %t505 = load { ptr, i64, i64 }, ptr %a368
+  store { ptr, i64, i64 } %t504, ptr %a507
+  store { ptr, i64, i64 } %t505, ptr %a508
+  call void @finch_str_concat(ptr %a506, ptr %a507, ptr %a508)
+  store { ptr, i64, i64 } %t504, ptr %a509
+  call void @finch_str_drop(ptr %a509)
+  %t510 = load { ptr, i64, i64 }, ptr %a506
+  store { ptr, i64, i64 } %t510, ptr %a512
+  store { ptr, i64, i64 } { ptr @.str.6015, i64 2, i64 0 }, ptr %a513
+  call void @finch_str_concat(ptr %a511, ptr %a512, ptr %a513)
+  store { ptr, i64, i64 } %t510, ptr %a514
+  call void @finch_str_drop(ptr %a514)
+  %t515 = load { ptr, i64, i64 }, ptr %a511
+  %t516 = load i64, ptr %t483
+  %t517 = add i64 %t516, 1
+  call void @finch_arr_reserve(ptr %t482, i64 %t517, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t518 = load ptr, ptr %t482
+  %t519 = getelementptr inbounds { ptr, i64, i64 }, ptr %t518, i64 %t516
+  store { ptr, i64, i64 } %t515, ptr %t519
+  store i64 %t517, ptr %t483
+  %t520 = load ptr, ptr %a46
+  %t521 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t520)
+  call void @finch_str_drop(ptr %a368)
+  call void @finch_str_drop(ptr %a347)
+  call void @finch_str_drop(ptr %a346)
+  call void @finch.drop.S_gen_FnSig(ptr %a320)
+  call void @finch.drop.S_gen_Gen(ptr %a45)
+  ret { ptr, i64, i64 } %t521
 }
 
 define internal %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
@@ -77022,24 +92881,24 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.builtins() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5796, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5797, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.5798, i64 78, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5799, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5800, i64 31, i64 0 }, { ptr, i64, i64 } { ptr @.str.5801, i64 77, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5802, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5803, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.5804, i64 121, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5805, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.5806, i64 38, i64 0 }, { ptr, i64, i64 } { ptr @.str.5807, i64 83, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5808, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5809, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.5810, i64 29, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5811, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5812, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.5813, i64 73, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5814, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5815, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5816, i64 98, i64 0 })
-  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5817, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5818, i64 25, i64 0 }, { ptr, i64, i64 } { ptr @.str.5819, i64 66, i64 0 })
-  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5820, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5821, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5822, i64 48, i64 0 })
-  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5823, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5824, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5825, i64 77, i64 0 })
-  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5826, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5827, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.5828, i64 66, i64 0 })
-  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5829, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5830, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5831, i64 73, i64 0 })
-  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5832, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5833, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5834, i64 61, i64 0 })
-  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5835, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5836, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5837, i64 130, i64 0 })
-  %t15 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5838, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5839, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5840, i64 75, i64 0 })
-  %t16 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5841, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5842, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.5843, i64 29, i64 0 })
-  %t17 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5844, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5845, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.5846, i64 26, i64 0 })
-  %t18 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5847, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5848, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5849, i64 88, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6016, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6017, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.6018, i64 78, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6019, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6020, i64 31, i64 0 }, { ptr, i64, i64 } { ptr @.str.6021, i64 77, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6022, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6023, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.6024, i64 121, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6025, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.6026, i64 38, i64 0 }, { ptr, i64, i64 } { ptr @.str.6027, i64 83, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6028, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6029, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.6030, i64 29, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6031, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6032, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.6033, i64 73, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6034, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6035, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6036, i64 98, i64 0 })
+  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6037, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6038, i64 25, i64 0 }, { ptr, i64, i64 } { ptr @.str.6039, i64 66, i64 0 })
+  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6040, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6041, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6042, i64 48, i64 0 })
+  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6043, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6044, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.6045, i64 77, i64 0 })
+  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6046, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6047, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.6048, i64 66, i64 0 })
+  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6049, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6050, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6051, i64 73, i64 0 })
+  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6052, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6053, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6054, i64 61, i64 0 })
+  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6055, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6056, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6057, i64 130, i64 0 })
+  %t15 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6058, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6059, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.6060, i64 75, i64 0 })
+  %t16 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6061, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6062, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.6063, i64 29, i64 0 })
+  %t17 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6064, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6065, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.6066, i64 26, i64 0 })
+  %t18 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6067, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6068, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6069, i64 88, i64 0 })
   %t19 = mul i64 18, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t20 = call ptr @finch_alloc(i64 %t19)
   %t21 = getelementptr inbounds %S.docs.Doc, ptr %t20, i64 0
@@ -77087,20 +92946,20 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.arrayMethods() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5850, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5851, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5852, i64 23, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5853, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5854, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5855, i64 40, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5856, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5857, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5858, i64 18, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5859, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5860, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.5861, i64 43, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5862, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5863, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5864, i64 38, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5865, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5866, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5867, i64 37, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5868, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5869, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5870, i64 19, i64 0 })
-  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5871, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5872, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5873, i64 46, i64 0 })
-  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5874, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5875, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.5876, i64 22, i64 0 })
-  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5877, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.5878, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.5879, i64 18, i64 0 })
-  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5880, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5881, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5882, i64 37, i64 0 })
-  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5883, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5884, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5885, i64 18, i64 0 })
-  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5886, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5887, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.5888, i64 45, i64 0 })
-  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5889, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5890, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.5891, i64 47, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6070, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6071, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6072, i64 23, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6073, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6074, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6075, i64 40, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6076, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6077, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6078, i64 18, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6079, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6080, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.6081, i64 43, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6082, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6083, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6084, i64 38, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6085, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6086, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6087, i64 37, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6088, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6089, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6090, i64 19, i64 0 })
+  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6091, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6092, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6093, i64 46, i64 0 })
+  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6094, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6095, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.6096, i64 22, i64 0 })
+  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6097, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.6098, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.6099, i64 18, i64 0 })
+  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6100, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6101, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6102, i64 37, i64 0 })
+  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6103, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6104, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6105, i64 18, i64 0 })
+  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6106, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6107, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.6108, i64 45, i64 0 })
+  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6109, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6110, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.6111, i64 47, i64 0 })
   %t15 = mul i64 14, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t16 = call ptr @finch_alloc(i64 %t15)
   %t17 = getelementptr inbounds %S.docs.Doc, ptr %t16, i64 0
@@ -77140,20 +92999,20 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.strMethods() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5892, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5893, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5894, i64 20, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5895, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5896, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5897, i64 59, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5898, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5899, i64 30, i64 0 }, { ptr, i64, i64 } { ptr @.str.5900, i64 29, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5901, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5902, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5903, i64 22, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5904, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.5905, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.5906, i64 24, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5907, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5908, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.5909, i64 27, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5910, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5911, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.5912, i64 25, i64 0 })
-  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5913, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5914, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.5915, i64 62, i64 0 })
-  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5916, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5917, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5918, i64 41, i64 0 })
-  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5919, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5920, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5921, i64 24, i64 0 })
-  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5922, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5923, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5924, i64 24, i64 0 })
-  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5925, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5926, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.5927, i64 26, i64 0 })
-  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5928, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5929, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.5930, i64 17, i64 0 })
-  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5931, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5932, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.5933, i64 22, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6112, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6113, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6114, i64 20, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6115, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6116, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.6117, i64 59, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6118, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6119, i64 30, i64 0 }, { ptr, i64, i64 } { ptr @.str.6120, i64 29, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6121, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6122, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6123, i64 22, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6124, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.6125, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.6126, i64 24, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6127, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6128, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.6129, i64 27, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6130, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6131, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6132, i64 25, i64 0 })
+  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6133, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6134, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.6135, i64 62, i64 0 })
+  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6136, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6137, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6138, i64 41, i64 0 })
+  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6139, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6140, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6141, i64 24, i64 0 })
+  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6142, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6143, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6144, i64 24, i64 0 })
+  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6145, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6146, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.6147, i64 26, i64 0 })
+  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6148, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6149, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.6150, i64 17, i64 0 })
+  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6151, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6152, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.6153, i64 22, i64 0 })
   %t15 = mul i64 14, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t16 = call ptr @finch_alloc(i64 %t15)
   %t17 = getelementptr inbounds %S.docs.Doc, ptr %t16, i64 0
@@ -77193,13 +93052,13 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.mapMethods() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5934, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5935, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5936, i64 19, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5937, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5938, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5939, i64 22, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5940, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5941, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.5942, i64 53, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5943, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5944, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.5945, i64 52, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5946, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5947, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5948, i64 19, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5949, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5950, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5951, i64 39, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5952, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5953, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.5954, i64 47, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6154, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6155, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6156, i64 19, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6157, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6158, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6159, i64 22, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6160, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6161, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.6162, i64 53, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6163, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6164, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.6165, i64 52, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6166, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6167, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6168, i64 19, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6169, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6170, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6171, i64 39, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6172, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6173, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.6174, i64 47, i64 0 })
   %t8 = mul i64 7, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t9 = call ptr @finch_alloc(i64 %t8)
   %t10 = getelementptr inbounds %S.docs.Doc, ptr %t9, i64 0
@@ -77228,49 +93087,49 @@ entry:
   %t1 = mul i64 22, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t2 = call ptr @finch_alloc(i64 %t1)
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5955, i64 2, i64 0 }, ptr %t3
+  store { ptr, i64, i64 } { ptr @.str.6175, i64 2, i64 0 }, ptr %t3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5956, i64 6, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.6176, i64 6, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5957, i64 2, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.6177, i64 2, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5958, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.6178, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5959, i64 5, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.6179, i64 5, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5960, i64 3, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.6180, i64 3, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5961, i64 2, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.6181, i64 2, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5962, i64 5, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.6182, i64 5, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 8
-  store { ptr, i64, i64 } { ptr @.str.5963, i64 8, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.6183, i64 8, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 9
-  store { ptr, i64, i64 } { ptr @.str.5964, i64 4, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.6184, i64 4, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 10
-  store { ptr, i64, i64 } { ptr @.str.5965, i64 5, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.6185, i64 5, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 11
-  store { ptr, i64, i64 } { ptr @.str.5966, i64 4, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.6186, i64 4, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 12
-  store { ptr, i64, i64 } { ptr @.str.5967, i64 6, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.6187, i64 6, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 13
-  store { ptr, i64, i64 } { ptr @.str.5968, i64 4, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.6188, i64 4, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 14
-  store { ptr, i64, i64 } { ptr @.str.5969, i64 6, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.6189, i64 6, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 15
-  store { ptr, i64, i64 } { ptr @.str.5970, i64 4, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.6190, i64 4, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 16
-  store { ptr, i64, i64 } { ptr @.str.5971, i64 5, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.6191, i64 5, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 17
-  store { ptr, i64, i64 } { ptr @.str.5972, i64 6, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.6192, i64 6, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 18
-  store { ptr, i64, i64 } { ptr @.str.5973, i64 5, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.6193, i64 5, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 19
-  store { ptr, i64, i64 } { ptr @.str.5974, i64 2, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.6194, i64 2, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 20
-  store { ptr, i64, i64 } { ptr @.str.5975, i64 3, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.6195, i64 3, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 21
-  store { ptr, i64, i64 } { ptr @.str.5976, i64 4, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.6196, i64 4, i64 0 }, ptr %t24
   %t25 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
   %t26 = insertvalue { ptr, i64, i64 } %t25, i64 22, 1
   %t27 = insertvalue { ptr, i64, i64 } %t26, i64 22, 2
@@ -77283,45 +93142,62 @@ entry:
   %t1 = mul i64 17, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t2 = call ptr @finch_alloc(i64 %t1)
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5977, i64 3, i64 0 }, ptr %t3
+  store { ptr, i64, i64 } { ptr @.str.6197, i64 3, i64 0 }, ptr %t3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5978, i64 5, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.6198, i64 5, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5979, i64 4, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.6199, i64 4, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5980, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.6200, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5981, i64 3, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.6201, i64 3, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5982, i64 3, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.6202, i64 3, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5983, i64 3, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.6203, i64 3, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5984, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.6204, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 8
-  store { ptr, i64, i64 } { ptr @.str.5985, i64 3, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.6205, i64 3, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 9
-  store { ptr, i64, i64 } { ptr @.str.5986, i64 3, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.6206, i64 3, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 10
-  store { ptr, i64, i64 } { ptr @.str.5987, i64 3, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.6207, i64 3, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 11
-  store { ptr, i64, i64 } { ptr @.str.5988, i64 2, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.6208, i64 2, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 12
-  store { ptr, i64, i64 } { ptr @.str.5989, i64 3, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.6209, i64 3, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 13
-  store { ptr, i64, i64 } { ptr @.str.5990, i64 3, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.6210, i64 3, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 14
-  store { ptr, i64, i64 } { ptr @.str.5991, i64 3, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.6211, i64 3, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 15
-  store { ptr, i64, i64 } { ptr @.str.5992, i64 3, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.6212, i64 3, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 16
-  store { ptr, i64, i64 } { ptr @.str.5993, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.6213, i64 3, i64 0 }, ptr %t19
   %t20 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
   %t21 = insertvalue { ptr, i64, i64 } %t20, i64 17, 1
   %t22 = insertvalue { ptr, i64, i64 } %t21, i64 17, 2
   ret { ptr, i64, i64 } %t22
 }
 
+define internal void @finch.copy.S_docs_Doc(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.docs.Doc, ptr %src
+  store %S.docs.Doc %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.docs.Doc, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.docs.Doc, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.docs.Doc, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.docs.Doc, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.docs.Doc, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.docs.Doc, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  ret void
+}
+
 define internal %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -77330,17 +93206,19 @@ entry:
   %a11 = alloca %S.docs.Doc, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.docs.Doc, align 16
+  %a21 = alloca %S.docs.Doc, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond8339
-each.cond8339:
+  br label %each.cond8828
+each.cond8828:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body8340, label %each.end8342
-each.body8340:
+  br i1 %t7, label %each.body8829, label %each.end8831
+each.body8829:
   %t8 = load ptr, ptr %a1
   %t9 = getelementptr inbounds %S.docs.Doc, ptr %t8, i64 %t6
   %t10 = load %S.docs.Doc, ptr %t9
@@ -77352,18 +93230,21 @@ each.body8340:
   store { ptr, i64, i64 } %t14, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br i1 %t18, label %then8343, label %endif8345
-then8343:
+  br i1 %t18, label %then8832, label %endif8834
+then8832:
   %t19 = load %S.docs.Doc, ptr %a11
-  ret %S.docs.Doc %t19
-endif8345:
-  br label %each.step8341
-each.step8341:
-  %t20 = load i64, ptr %a3
-  %t21 = add i64 %t20, 1
-  store i64 %t21, ptr %a3
-  br label %each.cond8339
-each.end8342:
+  store %S.docs.Doc %t19, ptr %a20
+  call void @finch.copy.S_docs_Doc(ptr %a21, ptr %a20)
+  %t22 = load %S.docs.Doc, ptr %a21
+  ret %S.docs.Doc %t22
+endif8834:
+  br label %each.step8830
+each.step8830:
+  %t23 = load i64, ptr %a3
+  %t24 = add i64 %t23, 1
+  store i64 %t24, ptr %a3
+  br label %each.cond8828
+each.end8831:
   ret %S.docs.Doc zeroinitializer
 }
 
@@ -77376,27 +93257,33 @@ entry:
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   store %S.docs.Doc %p0, ptr %a1
   %t2 = getelementptr inbounds %S.docs.Doc, ptr %a1, i32 0, i32 1
   %t3 = load { ptr, i64, i64 }, ptr %t2
-  store { ptr, i64, i64 } { ptr @.str.5994, i64 9, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6214, i64 9, i64 0 }, ptr %a5
   store { ptr, i64, i64 } %t3, ptr %a6
   call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5995, i64 5, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6215, i64 5, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  %t12 = getelementptr inbounds %S.docs.Doc, ptr %a1, i32 0, i32 2
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  store { ptr, i64, i64 } %t11, ptr %a15
-  store { ptr, i64, i64 } %t13, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  ret { ptr, i64, i64 } %t17
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  %t13 = getelementptr inbounds %S.docs.Doc, ptr %a1, i32 0, i32 2
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  store { ptr, i64, i64 } %t12, ptr %a16
+  store { ptr, i64, i64 } %t14, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  store { ptr, i64, i64 } %t12, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  ret { ptr, i64, i64 } %t19
 }
 
 define internal { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %p0) {
@@ -77408,8 +93295,6 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca [32 x i8], align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
   store %S.C.CXString %p0, ptr %a1
   %t2 = load %S.C.CXString, ptr %a1
   store %S.C.CXString %t2, ptr %a3
@@ -77429,10 +93314,7 @@ entry:
   %t16 = load [2 x i64], ptr %t15
   call void @clang_disposeString([2 x i64] %t16)
   %t17 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_copy(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t20
+  ret { ptr, i64, i64 } %t17
 }
 
 define internal %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %p0) {
@@ -77472,11 +93354,9 @@ entry:
   %a6 = alloca %S.ast.Type, align 16
   %a10 = alloca %S.ast.Type, align 16
   %a11 = alloca %S.ast.Type, align 16
-  %a18 = alloca %S.ast.Type, align 16
-  %a19 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
   store i64 %p1, ptr %a2
-  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.5996, i64 5, i64 0 }, 0
+  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6216, i64 5, i64 0 }, 0
   %t4 = load i64, ptr %a2
   %t5 = insertvalue %S.ast.Type %t3, i64 %t4, 4
   store %S.ast.Type %t5, ptr %a6
@@ -77494,236 +93374,355 @@ entry:
   store %S.ast.Type %t12, ptr %t16
   store i64 %t14, ptr %t8
   %t17 = load %S.ast.Type, ptr %a6
-  store %S.ast.Type %t17, ptr %a18
-  call void @finch.copy.S_ast_Type(ptr %a19, ptr %a18)
-  %t20 = load %S.ast.Type, ptr %a19
-  ret %S.ast.Type %t20
+  ret %S.ast.Type %t17
 }
 
 define internal { ptr, i64, i64 } @finch.cimport.systemIncludeArgs({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a2 = alloca { ptr, i64, i64 }, align 16
-  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i1, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca i64, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca i1, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca i64, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.5997, i64 22, i64 0 }, ptr %a3
-  %t4 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t4, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.5998, i64 26, i64 0 }, ptr %a7
-  call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  %t9 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t8, ptr %a11
-  store { ptr, i64, i64 } %t9, ptr %a12
-  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t13, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.5999, i64 13, i64 0 }, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
+  %t3 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t3, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6217, i64 15, i64 0 }, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  %t9 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a10, i64 %t9)
+  %t11 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t8, ptr %a13
+  store { ptr, i64, i64 } %t11, ptr %a14
+  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
+  store { ptr, i64, i64 } %t8, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  store { ptr, i64, i64 } %t11, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a12
   store { ptr, i64, i64 } %t17, ptr %a19
-  call void @finch_str_copy(ptr %a18, ptr %a19)
-  %t20 = call i64 @finch_shell(ptr %a18)
-  %t21 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t21, ptr %a22
-  %t23 = call i32 @finch_file_exists(ptr %a22)
-  %t24 = icmp ne i32 %t23, 0
-  %t25 = xor i1 %t24, true
-  br i1 %t25, label %then8346, label %endif8348
-then8346:
-  %t26 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t26, ptr %a27
-  call void @finch.copy.arr_str(ptr %a28, ptr %a27)
-  %t29 = load { ptr, i64, i64 }, ptr %a28
-  ret { ptr, i64, i64 } %t29
-endif8348:
-  store i1 false, ptr %a30
-  %t31 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t31, ptr %a32
-  call void @finch_read_file(ptr %a33, ptr %a32, ptr @.str.6000, i64 110)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.6002, i64 1, i64 0 }, ptr %a37
-  call void @finch_str_split(ptr %a38, ptr %a35, ptr %a37)
-  %t39 = load { ptr, i64, i64 }, ptr %a38
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store i64 0, ptr %a41
-  br label %each.cond8349
-each.cond8349:
-  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %a40, i32 0, i32 1
-  %t43 = load i64, ptr %t42
-  %t44 = load i64, ptr %a41
-  %t45 = icmp slt i64 %t44, %t43
-  br i1 %t45, label %each.body8350, label %each.end8352
-each.body8350:
-  %t46 = load ptr, ptr %a40
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t44
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  store { ptr, i64, i64 } %t48, ptr %a49
-  %t50 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t50, ptr %a51
-  call void @finch_str_trim(ptr %a52, ptr %a51)
-  %t53 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t53, ptr %a54
-  %t55 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.6005, i64 34, i64 0 }, ptr %a58
-  %t59 = call i32 @finch_str_starts(ptr %a56, ptr %a58)
-  %t60 = icmp ne i32 %t59, 0
-  br i1 %t60, label %then8353, label %endif8355
-then8353:
-  store i1 true, ptr %a30
-  br label %each.step8351
-endif8355:
-  %t61 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.6007, i64 19, i64 0 }, ptr %a64
-  %t65 = call i32 @finch_str_starts(ptr %a62, ptr %a64)
-  %t66 = icmp ne i32 %t65, 0
-  br i1 %t66, label %then8356, label %endif8358
-then8356:
-  br label %each.end8352
-endif8358:
-  %t67 = load i1, ptr %a30
-  %t68 = xor i1 %t67, true
-  br label %logic.from8359
-logic.from8359:
-  br i1 %t68, label %logic.end8361, label %logic.rhs8360
-logic.rhs8360:
-  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
-  %t70 = load i64, ptr %t69
-  %t71 = icmp eq i64 %t70, 0
-  br label %logic.rend8362
-logic.rend8362:
-  br label %logic.end8361
-logic.end8361:
-  %t72 = phi i1 [ true, %logic.from8359 ], [ %t71, %logic.rend8362 ]
-  br i1 %t72, label %then8363, label %endif8365
-then8363:
-  br label %each.step8351
-endif8365:
-  %t73 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.6009, i64 22, i64 0 }, ptr %a76
-  %t77 = call i32 @finch_str_ends(ptr %a74, ptr %a76)
-  %t78 = icmp ne i32 %t77, 0
-  br i1 %t78, label %then8366, label %else8367
-then8366:
-  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t80 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
-  %t84 = load i64, ptr %t83
-  %t85 = sub i64 %t84, 22
-  call void @finch_str_sub(ptr %a82, ptr %a81, i64 0, i64 %t85, ptr @.str.6011, i64 124)
-  %t86 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.6010, i64 11, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load i64, ptr %t79
-  %t92 = add i64 %t91, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t92, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t93 = load ptr, ptr %a2
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i64 %t91
-  store { ptr, i64, i64 } %t90, ptr %t94
-  store i64 %t92, ptr %t79
-  br label %endif8368
-else8367:
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t96 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.6012, i64 8, i64 0 }, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = load i64, ptr %t95
-  %t102 = add i64 %t101, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t102, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t103 = load ptr, ptr %a2
-  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 %t101
-  store { ptr, i64, i64 } %t100, ptr %t104
-  store i64 %t102, ptr %t95
-  br label %endif8368
-endif8368:
-  br label %each.step8351
-each.step8351:
-  %t105 = load i64, ptr %a41
-  %t106 = add i64 %t105, 1
-  store i64 %t106, ptr %a41
-  br label %each.cond8349
-each.end8352:
-  %t107 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6013, i64 7, i64 0 }, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } %t111, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.6014, i64 1, i64 0 }, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  call void @finch_str_copy(ptr %a116, ptr %a117)
-  %t118 = call i64 @finch_shell(ptr %a116)
-  %t119 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t119, ptr %a120
-  call void @finch.copy.arr_str(ptr %a121, ptr %a120)
-  %t122 = load { ptr, i64, i64 }, ptr %a121
-  ret { ptr, i64, i64 } %t122
+  store { ptr, i64, i64 } { ptr @.str.6218, i64 4, i64 0 }, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.6219, i64 13, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t29, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t38, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.6220, i64 2, i64 0 }, ptr %a41
+  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t43, ptr %a44
+  %t45 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t45, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.6221, i64 0, i64 0 }, ptr %a47
+  %t48 = call i32 @finch_write_file(ptr %a46, ptr %a47)
+  %t49 = icmp ne i32 %t48, 0
+  %t50 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.6222, i64 12, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a51
+  %t55 = load { ptr, i64, i64 }, ptr %a44
+  %t56 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t54, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  store { ptr, i64, i64 } %t56, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t62, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.6223, i64 4, i64 0 }, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  %t68 = load { ptr, i64, i64 }, ptr %a23
+  %t69 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t68)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t67, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t69, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t75, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.6224, i64 3, i64 0 }, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = call { ptr, i64, i64 } @finch.host.nullDevice()
+  store { ptr, i64, i64 } %t80, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t80, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  store { ptr, i64, i64 } %t81, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a82
+  %t88 = call i64 @finch.host.run({ ptr, i64, i64 } %t87)
+  store { ptr, i64, i64 } %t87, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a44
+  call void @finch.host.remove({ ptr, i64, i64 } %t90)
+  %t91 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t91, ptr %a92
+  %t93 = call i32 @finch_file_exists(ptr %a92)
+  %t94 = icmp ne i32 %t93, 0
+  %t95 = xor i1 %t94, true
+  br i1 %t95, label %then8835, label %endif8837
+then8835:
+  %t96 = load { ptr, i64, i64 }, ptr %a2
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a23)
+  ret { ptr, i64, i64 } %t96
+endif8837:
+  store i1 false, ptr %a97
+  %t98 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_read_file(ptr %a100, ptr %a99, ptr @.str.6225, i64 114)
+  %t101 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.6227, i64 1, i64 0 }, ptr %a104
+  call void @finch_str_split(ptr %a105, ptr %a102, ptr %a104)
+  %t106 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } %t101, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store i64 0, ptr %a109
+  br label %each.cond8838
+each.cond8838:
+  %t110 = getelementptr inbounds { ptr, i64, i64 }, ptr %a108, i32 0, i32 1
+  %t111 = load i64, ptr %t110
+  %t112 = load i64, ptr %a109
+  %t113 = icmp slt i64 %t112, %t111
+  br i1 %t113, label %each.body8839, label %each.end8841
+each.body8839:
+  %t114 = load ptr, ptr %a108
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i64 %t112
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  store { ptr, i64, i64 } %t116, ptr %a117
+  %t118 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_trim(ptr %a120, ptr %a119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t121, ptr %a122
+  %t123 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t123, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.6230, i64 34, i64 0 }, ptr %a126
+  %t127 = call i32 @finch_str_starts(ptr %a124, ptr %a126)
+  %t128 = icmp ne i32 %t127, 0
+  br i1 %t128, label %then8842, label %endif8844
+then8842:
+  store i1 true, ptr %a97
+  call void @finch_str_drop(ptr %a122)
+  br label %each.step8840
+endif8844:
+  %t129 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t129, ptr %a130
+  store { ptr, i64, i64 } { ptr @.str.6232, i64 19, i64 0 }, ptr %a132
+  %t133 = call i32 @finch_str_starts(ptr %a130, ptr %a132)
+  %t134 = icmp ne i32 %t133, 0
+  br i1 %t134, label %then8845, label %endif8847
+then8845:
+  call void @finch_str_drop(ptr %a122)
+  br label %each.end8841
+endif8847:
+  %t135 = load i1, ptr %a97
+  %t136 = xor i1 %t135, true
+  br label %logic.from8848
+logic.from8848:
+  br i1 %t136, label %logic.end8850, label %logic.rhs8849
+logic.rhs8849:
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %a122, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  %t139 = icmp eq i64 %t138, 0
+  br label %logic.rend8851
+logic.rend8851:
+  br label %logic.end8850
+logic.end8850:
+  %t140 = phi i1 [ true, %logic.from8848 ], [ %t139, %logic.rend8851 ]
+  br i1 %t140, label %then8852, label %endif8854
+then8852:
+  call void @finch_str_drop(ptr %a122)
+  br label %each.step8840
+endif8854:
+  %t141 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.6234, i64 22, i64 0 }, ptr %a144
+  %t145 = call i32 @finch_str_ends(ptr %a142, ptr %a144)
+  %t146 = icmp ne i32 %t145, 0
+  br i1 %t146, label %then8855, label %else8856
+then8855:
+  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t148 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t148, ptr %a149
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %a122, i32 0, i32 1
+  %t152 = load i64, ptr %t151
+  %t153 = sub i64 %t152, 22
+  call void @finch_str_sub(ptr %a150, ptr %a149, i64 0, i64 %t153, ptr @.str.6236, i64 128)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } { ptr @.str.6235, i64 11, i64 0 }, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t154, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load { ptr, i64, i64 }, ptr %a155
+  %t160 = load i64, ptr %t147
+  %t161 = add i64 %t160, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t161, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t162 = load ptr, ptr %a2
+  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i64 %t160
+  store { ptr, i64, i64 } %t159, ptr %t163
+  store i64 %t161, ptr %t147
+  br label %endif8857
+else8856:
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t165 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } { ptr @.str.6237, i64 8, i64 0 }, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a166
+  %t170 = load i64, ptr %t164
+  %t171 = add i64 %t170, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t171, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t172 = load ptr, ptr %a2
+  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i64 %t170
+  store { ptr, i64, i64 } %t169, ptr %t173
+  store i64 %t171, ptr %t164
+  br label %endif8857
+endif8857:
+  call void @finch_str_drop(ptr %a122)
+  br label %each.step8840
+each.step8840:
+  %t174 = load i64, ptr %a109
+  %t175 = add i64 %t174, 1
+  store i64 %t175, ptr %a109
+  br label %each.cond8838
+each.end8841:
+  call void @finch.drop.arr_str(ptr %a108)
+  %t176 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.host.remove({ ptr, i64, i64 } %t176)
+  %t177 = load { ptr, i64, i64 }, ptr %a2
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a23)
+  ret { ptr, i64, i64 } %t177
 }
 
 define internal { ptr, i64, i64 } @finch.cimport.recordName(ptr %p0, %S.C.CXType %p1) {
@@ -77752,12 +93751,13 @@ entry:
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca i32, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca i32, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXType %p1, ptr %a2
   %t4 = load %S.C.CXType, ptr %a2
@@ -77774,38 +93774,38 @@ entry:
   store { ptr, i64, i64 } %t13, ptr %a14
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic8369, label %ok8370
-panic8369:
-  call void @finch_panic(ptr @.str.6015, i64 139, ptr @.str.6016)
+  br i1 %t16, label %panic8858, label %ok8859
+panic8858:
+  call void @finch_panic(ptr @.str.6238, i64 143, ptr @.str.6239)
   unreachable
-ok8370:
+ok8859:
   %t17 = getelementptr inbounds %S.cimport.Importer, ptr %t15, i32 0, i32 3
   %t18 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t18, ptr %a19
   %t20 = call i64 @finch_map_find(ptr %t17, ptr %a19, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t21 = icmp sge i64 %t20, 0
-  br i1 %t21, label %then8371, label %endif8373
-then8371:
+  br i1 %t21, label %then8860, label %endif8862
+then8860:
   %t22 = load ptr, ptr %a1
   %t23 = icmp eq ptr %t22, null
-  br i1 %t23, label %panic8374, label %ok8375
-panic8374:
-  call void @finch_panic(ptr @.str.6017, i64 140, ptr @.str.6018)
+  br i1 %t23, label %panic8863, label %ok8864
+panic8863:
+  call void @finch_panic(ptr @.str.6240, i64 144, ptr @.str.6241)
   unreachable
-ok8375:
+ok8864:
   %t24 = getelementptr inbounds %S.cimport.Importer, ptr %t22, i32 0, i32 3
   %t25 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = call i64 @finch_map_find(ptr %t24, ptr %a26, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t28 = icmp slt i64 %t27, 0
-  br i1 %t28, label %map.missing8376, label %map.found8377
-map.missing8376:
+  br i1 %t28, label %map.missing8865, label %map.found8866
+map.missing8865:
   store { ptr, i64, i64 } zeroinitializer, ptr %a29
   store { ptr, i64, i64 } %t25, ptr %a30
   call void @finch_buf_str(ptr %a29, ptr %a30, i32 1)
-  call void @finch_map_missing(ptr @.str.6019, i64 140, ptr %a29)
+  call void @finch_map_missing(ptr @.str.6242, i64 144, ptr %a29)
   unreachable
-map.found8377:
+map.found8866:
   %t31 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t24, i32 0, i32 0
   %t32 = load ptr, ptr %t31
   %t33 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t32, i64 %t27
@@ -77814,8 +93814,9 @@ map.found8377:
   store { ptr, i64, i64 } %t35, ptr %a36
   call void @finch_str_copy(ptr %a37, ptr %a36)
   %t38 = load { ptr, i64, i64 }, ptr %a37
+  call void @finch_str_drop(ptr %a14)
   ret { ptr, i64, i64 } %t38
-endif8373:
+endif8862:
   %t39 = load %S.C.CXCursor, ptr %a7
   store %S.C.CXCursor %t39, ptr %a40
   %t41 = call [2 x i64] @clang_getCursorSpelling(ptr %a40)
@@ -77826,87 +93827,93 @@ endif8373:
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = icmp eq i64 %t47, 0
-  br label %logic.from8378
-logic.from8378:
-  br i1 %t48, label %logic.end8380, label %logic.rhs8379
-logic.rhs8379:
+  br label %logic.from8867
+logic.from8867:
+  br i1 %t48, label %logic.end8869, label %logic.rhs8868
+logic.rhs8868:
   %t49 = load { ptr, i64, i64 }, ptr %a45
   store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.6021, i64 1, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.6244, i64 1, i64 0 }, ptr %a52
   %t53 = call i64 @finch_str_find(ptr %a50, ptr %a52)
   %t54 = icmp sge i64 %t53, 0
-  br label %logic.rend8381
-logic.rend8381:
-  br label %logic.end8380
-logic.end8380:
-  %t55 = phi i1 [ true, %logic.from8378 ], [ %t54, %logic.rend8381 ]
-  br i1 %t55, label %then8382, label %endif8384
-then8382:
+  br label %logic.rend8870
+logic.rend8870:
+  br label %logic.end8869
+logic.end8869:
+  %t55 = phi i1 [ true, %logic.from8867 ], [ %t54, %logic.rend8870 ]
+  br i1 %t55, label %then8871, label %endif8873
+then8871:
   %t56 = load ptr, ptr %a1
   %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic8385, label %ok8386
-panic8385:
-  call void @finch_panic(ptr @.str.6022, i64 144, ptr @.str.6023)
+  br i1 %t57, label %panic8874, label %ok8875
+panic8874:
+  call void @finch_panic(ptr @.str.6245, i64 148, ptr @.str.6246)
   unreachable
-ok8386:
+ok8875:
   %t58 = getelementptr inbounds %S.cimport.Importer, ptr %t56, i32 0, i32 5
   %t59 = load i64, ptr %t58
   %t60 = add i64 %t59, 1
   store i64 %t60, ptr %t58
   %t61 = load ptr, ptr %a1
   %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic8387, label %ok8388
-panic8387:
-  call void @finch_panic(ptr @.str.6025, i64 145, ptr @.str.6026)
+  br i1 %t62, label %panic8876, label %ok8877
+panic8876:
+  call void @finch_panic(ptr @.str.6248, i64 149, ptr @.str.6249)
   unreachable
-ok8388:
+ok8877:
   %t63 = getelementptr inbounds %S.cimport.Importer, ptr %t61, i32 0, i32 5
   %t64 = load i64, ptr %t63
   call void @finch_str_from_int(ptr %a65, i64 %t64)
   %t66 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.6024, i64 12, i64 0 }, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.6247, i64 12, i64 0 }, ptr %a68
   store { ptr, i64, i64 } %t66, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a45
-  br label %endif8384
-endif8384:
-  %t71 = load { ptr, i64, i64 }, ptr %a45
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic8389, label %ok8390
-panic8389:
-  call void @finch_panic(ptr @.str.6027, i64 147, ptr @.str.6028)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t71, ptr %a45
+  store { ptr, i64, i64 } %t72, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  br label %endif8873
+endif8873:
+  %t74 = load { ptr, i64, i64 }, ptr %a45
+  %t75 = load ptr, ptr %a1
+  %t76 = icmp eq ptr %t75, null
+  br i1 %t76, label %panic8878, label %ok8879
+panic8878:
+  call void @finch_panic(ptr @.str.6250, i64 151, ptr @.str.6251)
   unreachable
-ok8390:
-  %t74 = getelementptr inbounds %S.cimport.Importer, ptr %t72, i32 0, i32 3
-  %t75 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store i32 0, ptr %a77
-  %t78 = call i64 @finch_map_slot(ptr %t74, ptr %a76, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a77)
-  %t79 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t74, i32 0, i32 0
-  %t80 = load ptr, ptr %t79
-  %t81 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t80, i64 %t78
-  %t82 = load i32, ptr %a77
-  %t83 = icmp ne i32 %t82, 0
-  br i1 %t83, label %map.new8391, label %map.have8392
-map.new8391:
-  %t84 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t81, i32 0, i32 1
-  call void @finch_str_copy(ptr %t84, ptr %a76)
-  %t85 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t81, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t85
-  br label %map.have8392
-map.have8392:
-  %t86 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t81, i32 0, i32 2
-  store { ptr, i64, i64 } %t71, ptr %a87
-  call void @finch_str_copy(ptr %a88, ptr %a87)
-  %t89 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t89, ptr %t86
-  %t90 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } %t90, ptr %a91
-  call void @finch_str_copy(ptr %a92, ptr %a91)
-  %t93 = load { ptr, i64, i64 }, ptr %a92
-  ret { ptr, i64, i64 } %t93
+ok8879:
+  %t77 = getelementptr inbounds %S.cimport.Importer, ptr %t75, i32 0, i32 3
+  %t78 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t78, ptr %a79
+  store i32 0, ptr %a80
+  %t81 = call i64 @finch_map_slot(ptr %t77, ptr %a79, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a80)
+  %t82 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t77, i32 0, i32 0
+  %t83 = load ptr, ptr %t82
+  %t84 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i64 %t81
+  %t85 = load i32, ptr %a80
+  %t86 = icmp ne i32 %t85, 0
+  br i1 %t86, label %map.new8880, label %map.have8881
+map.new8880:
+  %t87 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t84, i32 0, i32 1
+  call void @finch_str_copy(ptr %t87, ptr %a79)
+  %t88 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t84, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t88
+  br label %map.have8881
+map.have8881:
+  %t89 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t84, i32 0, i32 2
+  store { ptr, i64, i64 } %t74, ptr %a90
+  call void @finch_str_copy(ptr %a91, ptr %a90)
+  %t92 = load { ptr, i64, i64 }, ptr %a91
+  %t93 = load { ptr, i64, i64 }, ptr %t89
+  store { ptr, i64, i64 } %t92, ptr %t89
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a45
+  call void @finch_str_drop(ptr %a14)
+  ret { ptr, i64, i64 } %t95
 }
 
 define internal i32 @finch.c.cimport.visitField(ptr %c0, ptr %c1) {
@@ -77933,28 +93940,26 @@ entry:
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca %S.C.CXType, align 16
-  %a47 = alloca i64, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca i32, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca %S.C.CXType, align 16
-  %a76 = alloca %S.cimport.CStruct, align 16
-  %a78 = alloca %S.C.CXCursor, align 16
-  %a85 = alloca %S.cimport.FieldCtx, align 16
-  %a87 = alloca %S.C.CXType, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca i32, align 16
-  %a113 = alloca %S.cimport.CStruct, align 16
-  %a114 = alloca %S.cimport.CStruct, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca %S.C.CXType, align 16
+  %a44 = alloca i64, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca i32, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca %S.C.CXType, align 16
+  %a73 = alloca %S.cimport.CStruct, align 16
+  %a75 = alloca %S.C.CXCursor, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca %S.cimport.FieldCtx, align 16
+  %a86 = alloca %S.C.CXType, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca i32, align 16
+  %a117 = alloca %S.cimport.CStruct, align 16
+  %a118 = alloca %S.cimport.CStruct, align 16
+  %a121 = alloca %S.cimport.CStruct, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXType %p1, ptr %a2
   %t4 = load %S.C.CXType, ptr %a2
@@ -77980,187 +93985,208 @@ entry:
   store { ptr, i64, i64 } %t22, ptr %a23
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic8393, label %ok8394
-panic8393:
-  call void @finch_panic(ptr @.str.6029, i64 157, ptr @.str.6030)
+  br i1 %t25, label %panic8882, label %ok8883
+panic8882:
+  call void @finch_panic(ptr @.str.6252, i64 161, ptr @.str.6253)
   unreachable
-ok8394:
+ok8883:
   %t26 = getelementptr inbounds %S.cimport.Importer, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds %S.cimport.CImports, ptr %t26, i32 0, i32 3
   %t28 = load { ptr, i64, i64 }, ptr %a23
   store { ptr, i64, i64 } %t28, ptr %a29
   %t30 = call i64 @finch_map_find(ptr %t27, ptr %a29, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t31 = icmp sge i64 %t30, 0
-  br label %logic.from8395
-logic.from8395:
-  br i1 %t31, label %logic.end8397, label %logic.rhs8396
-logic.rhs8396:
+  br label %logic.from8884
+logic.from8884:
+  br i1 %t31, label %logic.end8886, label %logic.rhs8885
+logic.rhs8885:
   %t32 = load ptr, ptr %a1
   %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic8398, label %ok8399
-panic8398:
-  call void @finch_panic(ptr @.str.6031, i64 157, ptr @.str.6032)
+  br i1 %t33, label %panic8887, label %ok8888
+panic8887:
+  call void @finch_panic(ptr @.str.6254, i64 161, ptr @.str.6255)
   unreachable
-ok8399:
+ok8888:
   %t34 = getelementptr inbounds %S.cimport.Importer, ptr %t32, i32 0, i32 4
   %t35 = load { ptr, i64, i64 }, ptr %a19
   store { ptr, i64, i64 } %t35, ptr %a36
   %t37 = call i64 @finch_map_find(ptr %t34, ptr %a36, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t38 = icmp sge i64 %t37, 0
-  br label %logic.rend8400
-logic.rend8400:
-  br label %logic.end8397
-logic.end8397:
-  %t39 = phi i1 [ true, %logic.from8395 ], [ %t38, %logic.rend8400 ]
-  br i1 %t39, label %then8401, label %endif8403
-then8401:
+  br label %logic.rend8889
+logic.rend8889:
+  br label %logic.end8886
+logic.end8886:
+  %t39 = phi i1 [ true, %logic.from8884 ], [ %t38, %logic.rend8889 ]
+  br i1 %t39, label %then8890, label %endif8892
+then8890:
   %t40 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t40, ptr %a41
-  call void @finch_str_copy(ptr %a42, ptr %a41)
-  %t43 = load { ptr, i64, i64 }, ptr %a42
-  ret { ptr, i64, i64 } %t43
-endif8403:
-  %t44 = load %S.C.CXType, ptr %a7
-  store %S.C.CXType %t44, ptr %a45
-  %t46 = call i64 @clang_Type_getSizeOf(ptr %a45)
-  store i64 %t46, ptr %a47
-  %t48 = load i64, ptr %a47
-  %t49 = icmp slt i64 %t48, 0
-  br i1 %t49, label %then8404, label %endif8406
-then8404:
-  ret { ptr, i64, i64 } { ptr @.str.6033, i64 0, i64 0 }
-endif8406:
-  %t50 = load ptr, ptr %a1
-  %t51 = icmp eq ptr %t50, null
-  br i1 %t51, label %panic8407, label %ok8408
-panic8407:
-  call void @finch_panic(ptr @.str.6034, i64 164, ptr @.str.6035)
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } %t40
+endif8892:
+  %t41 = load %S.C.CXType, ptr %a7
+  store %S.C.CXType %t41, ptr %a42
+  %t43 = call i64 @clang_Type_getSizeOf(ptr %a42)
+  store i64 %t43, ptr %a44
+  %t45 = load i64, ptr %a44
+  %t46 = icmp slt i64 %t45, 0
+  br i1 %t46, label %then8893, label %endif8895
+then8893:
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } { ptr @.str.6256, i64 0, i64 0 }
+endif8895:
+  %t47 = load ptr, ptr %a1
+  %t48 = icmp eq ptr %t47, null
+  br i1 %t48, label %panic8896, label %ok8897
+panic8896:
+  call void @finch_panic(ptr @.str.6257, i64 168, ptr @.str.6258)
   unreachable
-ok8408:
-  %t52 = getelementptr inbounds %S.cimport.Importer, ptr %t50, i32 0, i32 4
-  %t53 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t53, ptr %a54
-  store i32 0, ptr %a55
-  %t56 = call i64 @finch_map_slot(ptr %t52, ptr %a54, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a55)
-  %t57 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t52, i32 0, i32 0
-  %t58 = load ptr, ptr %t57
-  %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t58, i64 %t56
-  %t60 = load i32, ptr %a55
-  %t61 = icmp ne i32 %t60, 0
-  br i1 %t61, label %map.new8409, label %map.have8410
-map.new8409:
-  %t62 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t59, i32 0, i32 1
-  call void @finch_str_copy(ptr %t62, ptr %a54)
-  %t63 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t59, i32 0, i32 2
-  store i1 false, ptr %t63
-  br label %map.have8410
-map.have8410:
-  %t64 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t59, i32 0, i32 2
-  store i1 true, ptr %t64
-  %t65 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  %t69 = insertvalue %S.cimport.CStruct zeroinitializer, { ptr, i64, i64 } %t68, 0
-  %t70 = load i64, ptr %a47
-  %t71 = insertvalue %S.cimport.CStruct %t69, i64 %t70, 2
-  %t72 = load %S.C.CXType, ptr %a7
-  store %S.C.CXType %t72, ptr %a73
-  %t74 = call i64 @clang_Type_getAlignOf(ptr %a73)
-  %t75 = insertvalue %S.cimport.CStruct %t71, i64 %t74, 3
-  store %S.cimport.CStruct %t75, ptr %a76
-  %t77 = load %S.C.CXCursor, ptr %a12
-  store %S.C.CXCursor %t77, ptr %a78
-  %t79 = call i32 @clang_getCursorKind(ptr %a78)
-  %t80 = icmp eq i32 %t79, 3
-  br i1 %t80, label %then8411, label %endif8413
-then8411:
-  %t81 = getelementptr inbounds %S.cimport.CStruct, ptr %a76, i32 0, i32 4
-  store { ptr, i64, i64 } { ptr @.str.6036, i64 12, i64 0 }, ptr %t81
-  br label %endif8413
-endif8413:
-  %t82 = load ptr, ptr %a1
-  %t83 = insertvalue %S.cimport.FieldCtx zeroinitializer, ptr %t82, 0
-  %t84 = insertvalue %S.cimport.FieldCtx %t83, ptr %a76, 1
-  store %S.cimport.FieldCtx %t84, ptr %a85
-  %t86 = load %S.C.CXType, ptr %a7
-  store %S.C.CXType %t86, ptr %a87
-  %t88 = call i32 @clang_Type_visitFields(ptr %a87, ptr @finch.c.cimport.visitField, ptr %a85)
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic8414, label %ok8415
-panic8414:
-  call void @finch_panic(ptr @.str.6037, i64 172, ptr @.str.6038)
+ok8897:
+  %t49 = getelementptr inbounds %S.cimport.Importer, ptr %t47, i32 0, i32 4
+  %t50 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store i32 0, ptr %a52
+  %t53 = call i64 @finch_map_slot(ptr %t49, ptr %a51, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a52)
+  %t54 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t49, i32 0, i32 0
+  %t55 = load ptr, ptr %t54
+  %t56 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t55, i64 %t53
+  %t57 = load i32, ptr %a52
+  %t58 = icmp ne i32 %t57, 0
+  br i1 %t58, label %map.new8898, label %map.have8899
+map.new8898:
+  %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t56, i32 0, i32 1
+  call void @finch_str_copy(ptr %t59, ptr %a51)
+  %t60 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t56, i32 0, i32 2
+  store i1 false, ptr %t60
+  br label %map.have8899
+map.have8899:
+  %t61 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t56, i32 0, i32 2
+  store i1 true, ptr %t61
+  %t62 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  %t66 = insertvalue %S.cimport.CStruct zeroinitializer, { ptr, i64, i64 } %t65, 0
+  %t67 = load i64, ptr %a44
+  %t68 = insertvalue %S.cimport.CStruct %t66, i64 %t67, 2
+  %t69 = load %S.C.CXType, ptr %a7
+  store %S.C.CXType %t69, ptr %a70
+  %t71 = call i64 @clang_Type_getAlignOf(ptr %a70)
+  %t72 = insertvalue %S.cimport.CStruct %t68, i64 %t71, 3
+  store %S.cimport.CStruct %t72, ptr %a73
+  %t74 = load %S.C.CXCursor, ptr %a12
+  store %S.C.CXCursor %t74, ptr %a75
+  %t76 = call i32 @clang_getCursorKind(ptr %a75)
+  %t77 = icmp eq i32 %t76, 3
+  br i1 %t77, label %then8900, label %endif8902
+then8900:
+  %t78 = getelementptr inbounds %S.cimport.CStruct, ptr %a73, i32 0, i32 4
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } { ptr @.str.6259, i64 12, i64 0 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif8902
+endif8902:
+  %t81 = load ptr, ptr %a1
+  %t82 = insertvalue %S.cimport.FieldCtx zeroinitializer, ptr %t81, 0
+  %t83 = insertvalue %S.cimport.FieldCtx %t82, ptr %a73, 1
+  store %S.cimport.FieldCtx %t83, ptr %a84
+  %t85 = load %S.C.CXType, ptr %a7
+  store %S.C.CXType %t85, ptr %a86
+  %t87 = call i32 @clang_Type_visitFields(ptr %a86, ptr @finch.c.cimport.visitField, ptr %a84)
+  %t88 = load ptr, ptr %a1
+  %t89 = icmp eq ptr %t88, null
+  br i1 %t89, label %panic8903, label %ok8904
+panic8903:
+  call void @finch_panic(ptr @.str.6260, i64 176, ptr @.str.6261)
   unreachable
-ok8415:
-  %t91 = getelementptr inbounds %S.cimport.Importer, ptr %t89, i32 0, i32 4
-  %t92 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t92, ptr %a93
-  %t94 = call i64 @finch_map_find(ptr %t91, ptr %a93, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t95 = icmp sge i64 %t94, 0
-  br i1 %t95, label %remove.hit8416, label %remove.end8417
-remove.hit8416:
-  call void @finch_map_remove_at(ptr %t91, i64 %t94, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64))
-  br label %remove.end8417
-remove.end8417:
-  %t96 = load %S.cimport.CStruct, ptr %a76
-  %t97 = load ptr, ptr %a1
-  %t98 = icmp eq ptr %t97, null
-  br i1 %t98, label %panic8418, label %ok8419
-panic8418:
-  call void @finch_panic(ptr @.str.6039, i64 173, ptr @.str.6040)
+ok8904:
+  %t90 = getelementptr inbounds %S.cimport.Importer, ptr %t88, i32 0, i32 4
+  %t91 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t91, ptr %a92
+  %t93 = call i64 @finch_map_find(ptr %t90, ptr %a92, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t94 = icmp sge i64 %t93, 0
+  br i1 %t94, label %remove.hit8905, label %remove.end8906
+remove.hit8905:
+  %t95 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t90, i32 0, i32 0
+  %t96 = load ptr, ptr %t95
+  %t97 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t96, i64 %t93
+  %t98 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t97, i32 0, i32 1
+  call void @finch_str_drop(ptr %t98)
+  %t99 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t97, i32 0, i32 2
+  call void @finch_map_remove_at(ptr %t90, i64 %t93, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64))
+  br label %remove.end8906
+remove.end8906:
+  %t100 = load %S.cimport.CStruct, ptr %a73
+  %t101 = load ptr, ptr %a1
+  %t102 = icmp eq ptr %t101, null
+  br i1 %t102, label %panic8907, label %ok8908
+panic8907:
+  call void @finch_panic(ptr @.str.6262, i64 177, ptr @.str.6263)
   unreachable
-ok8419:
-  %t99 = getelementptr inbounds %S.cimport.Importer, ptr %t97, i32 0, i32 0
-  %t100 = getelementptr inbounds %S.cimport.CImports, ptr %t99, i32 0, i32 3
-  %t101 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store i32 0, ptr %a103
-  %t104 = call i64 @finch_map_slot(ptr %t100, ptr %a102, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a103)
-  %t105 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t100, i32 0, i32 0
-  %t106 = load ptr, ptr %t105
-  %t107 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t106, i64 %t104
-  %t108 = load i32, ptr %a103
-  %t109 = icmp ne i32 %t108, 0
-  br i1 %t109, label %map.new8420, label %map.have8421
-map.new8420:
-  %t110 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t107, i32 0, i32 1
-  call void @finch_str_copy(ptr %t110, ptr %a102)
-  %t111 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t107, i32 0, i32 2
-  store %S.cimport.CStruct zeroinitializer, ptr %t111
-  br label %map.have8421
-map.have8421:
-  %t112 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t107, i32 0, i32 2
-  store %S.cimport.CStruct %t96, ptr %a113
-  call void @finch.copy.S_cimport_CStruct(ptr %a114, ptr %a113)
-  %t115 = load %S.cimport.CStruct, ptr %a114
-  store %S.cimport.CStruct %t115, ptr %t112
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic8422, label %ok8423
-panic8422:
-  call void @finch_panic(ptr @.str.6041, i64 174, ptr @.str.6042)
+ok8908:
+  %t103 = getelementptr inbounds %S.cimport.Importer, ptr %t101, i32 0, i32 0
+  %t104 = getelementptr inbounds %S.cimport.CImports, ptr %t103, i32 0, i32 3
+  %t105 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t105, ptr %a106
+  store i32 0, ptr %a107
+  %t108 = call i64 @finch_map_slot(ptr %t104, ptr %a106, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a107)
+  %t109 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t104, i32 0, i32 0
+  %t110 = load ptr, ptr %t109
+  %t111 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t110, i64 %t108
+  %t112 = load i32, ptr %a107
+  %t113 = icmp ne i32 %t112, 0
+  br i1 %t113, label %map.new8909, label %map.have8910
+map.new8909:
+  %t114 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t111, i32 0, i32 1
+  call void @finch_str_copy(ptr %t114, ptr %a106)
+  %t115 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t111, i32 0, i32 2
+  store %S.cimport.CStruct zeroinitializer, ptr %t115
+  br label %map.have8910
+map.have8910:
+  %t116 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t111, i32 0, i32 2
+  store %S.cimport.CStruct %t100, ptr %a117
+  call void @finch.copy.S_cimport_CStruct(ptr %a118, ptr %a117)
+  %t119 = load %S.cimport.CStruct, ptr %a118
+  %t120 = load %S.cimport.CStruct, ptr %t116
+  store %S.cimport.CStruct %t119, ptr %t116
+  store %S.cimport.CStruct %t120, ptr %a121
+  call void @finch.drop.S_cimport_CStruct(ptr %a121)
+  %t122 = load ptr, ptr %a1
+  %t123 = icmp eq ptr %t122, null
+  br i1 %t123, label %panic8911, label %ok8912
+panic8911:
+  call void @finch_panic(ptr @.str.6264, i64 178, ptr @.str.6265)
   unreachable
-ok8423:
-  %t118 = getelementptr inbounds %S.cimport.Importer, ptr %t116, i32 0, i32 0
-  %t119 = getelementptr inbounds %S.cimport.CImports, ptr %t118, i32 0, i32 4
-  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
-  %t121 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t121, ptr %a122
-  call void @finch_str_copy(ptr %a123, ptr %a122)
-  %t124 = load { ptr, i64, i64 }, ptr %a123
-  %t125 = load i64, ptr %t120
-  %t126 = add i64 %t125, 1
-  call void @finch_arr_reserve(ptr %t119, i64 %t126, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t127 = load ptr, ptr %t119
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i64 %t125
-  store { ptr, i64, i64 } %t124, ptr %t128
-  store i64 %t126, ptr %t120
-  %t129 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t129, ptr %a130
-  call void @finch_str_copy(ptr %a131, ptr %a130)
-  %t132 = load { ptr, i64, i64 }, ptr %a131
-  ret { ptr, i64, i64 } %t132
+ok8912:
+  %t124 = getelementptr inbounds %S.cimport.Importer, ptr %t122, i32 0, i32 0
+  %t125 = getelementptr inbounds %S.cimport.CImports, ptr %t124, i32 0, i32 4
+  %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t125, i32 0, i32 1
+  %t127 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t127, ptr %a128
+  call void @finch_str_copy(ptr %a129, ptr %a128)
+  %t130 = load { ptr, i64, i64 }, ptr %a129
+  %t131 = load i64, ptr %t126
+  %t132 = add i64 %t131, 1
+  call void @finch_arr_reserve(ptr %t125, i64 %t132, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t133 = load ptr, ptr %t125
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i64 %t131
+  store { ptr, i64, i64 } %t130, ptr %t134
+  store i64 %t132, ptr %t126
+  %t135 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.S_cimport_CStruct(ptr %a73)
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } %t135
+}
+
+define internal void @finch.drop.S_cimport_Mapped(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Mapped, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_ast_Type(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.Mapped, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
 }
 
 define internal i32 @finch.cimport.visitField(%S.C.CXCursor %p0, ptr %p1) {
@@ -78180,14 +94206,16 @@ entry:
   %a27 = alloca %S.C.CXType, align 16
   %a31 = alloca %S.C.CXType, align 16
   %a35 = alloca %S.C.CXCursor, align 16
-  %a48 = alloca %S.C.CXCursor, align 16
-  %a50 = alloca %S.C.CXType, align 16
-  %a52 = alloca %S.C.CXCursor, align 16
-  %a63 = alloca %S.cimport.Mapped, align 16
-  %a69 = alloca %S.ast.Type, align 16
-  %a70 = alloca %S.ast.Type, align 16
-  %a94 = alloca %S.cimport.CField, align 16
-  %a95 = alloca %S.cimport.CField, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca %S.C.CXCursor, align 16
+  %a52 = alloca %S.C.CXType, align 16
+  %a54 = alloca %S.C.CXCursor, align 16
+  %a65 = alloca %S.cimport.Mapped, align 16
+  %a71 = alloca %S.ast.Type, align 16
+  %a72 = alloca %S.ast.Type, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a98 = alloca %S.cimport.CField, align 16
+  %a99 = alloca %S.cimport.CField, align 16
   store %S.C.CXCursor %p0, ptr %a1
   store ptr %p1, ptr %a2
   %t3 = load ptr, ptr %a2
@@ -78228,148 +94256,156 @@ entry:
   store %S.C.CXCursor %t34, ptr %a35
   %t36 = call i32 @clang_Cursor_isBitField(ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then8424, label %else8425
-then8424:
+  br i1 %t37, label %then8913, label %else8914
+then8913:
   %t38 = load ptr, ptr %a4
   %t39 = icmp eq ptr %t38, null
-  br i1 %t39, label %panic8427, label %ok8428
-panic8427:
-  call void @finch_panic(ptr @.str.6044, i64 191, ptr @.str.6045)
+  br i1 %t39, label %panic8916, label %ok8917
+panic8916:
+  call void @finch_panic(ptr @.str.6267, i64 195, ptr @.str.6268)
   unreachable
-ok8428:
+ok8917:
   %t40 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t38, i32 0, i32 1
   %t41 = load ptr, ptr %t40
   %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic8429, label %ok8430
-panic8429:
-  call void @finch_panic(ptr @.str.6046, i64 191, ptr @.str.6047)
+  br i1 %t42, label %panic8918, label %ok8919
+panic8918:
+  call void @finch_panic(ptr @.str.6269, i64 195, ptr @.str.6270)
   unreachable
-ok8430:
+ok8919:
   %t43 = getelementptr inbounds %S.cimport.CStruct, ptr %t41, i32 0, i32 4
-  store { ptr, i64, i64 } { ptr @.str.6043, i64 14, i64 0 }, ptr %t43
-  %t44 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t44
-  br label %endif8426
-else8425:
-  %t45 = getelementptr inbounds %S.C.CXType, ptr %a20, i32 0, i32 0
-  %t46 = load i32, ptr %t45
-  %t47 = icmp eq i32 %t46, 105
-  br label %logic.from8431
-logic.from8431:
-  br i1 %t47, label %logic.rhs8432, label %logic.end8433
-logic.rhs8432:
-  %t49 = load %S.C.CXType, ptr %a20
-  store %S.C.CXType %t49, ptr %a50
-  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a48, ptr %a50)
-  %t51 = load %S.C.CXCursor, ptr %a48
-  store %S.C.CXCursor %t51, ptr %a52
-  %t53 = call i32 @clang_getCursorKind(ptr %a52)
-  %t54 = icmp eq i32 %t53, 3
-  br label %logic.rend8434
-logic.rend8434:
-  br label %logic.end8433
-logic.end8433:
-  %t55 = phi i1 [ false, %logic.from8431 ], [ %t54, %logic.rend8434 ]
-  br i1 %t55, label %then8435, label %else8436
-then8435:
-  %t56 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t56
-  br label %endif8437
-else8436:
-  %t57 = load ptr, ptr %a4
-  %t58 = icmp eq ptr %t57, null
-  br i1 %t58, label %panic8438, label %ok8439
-panic8438:
-  call void @finch_panic(ptr @.str.6048, i64 196, ptr @.str.6049)
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.6266, i64 14, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t46
+  br label %endif8915
+else8914:
+  %t47 = getelementptr inbounds %S.C.CXType, ptr %a20, i32 0, i32 0
+  %t48 = load i32, ptr %t47
+  %t49 = icmp eq i32 %t48, 105
+  br label %logic.from8920
+logic.from8920:
+  br i1 %t49, label %logic.rhs8921, label %logic.end8922
+logic.rhs8921:
+  %t51 = load %S.C.CXType, ptr %a20
+  store %S.C.CXType %t51, ptr %a52
+  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a50, ptr %a52)
+  %t53 = load %S.C.CXCursor, ptr %a50
+  store %S.C.CXCursor %t53, ptr %a54
+  %t55 = call i32 @clang_getCursorKind(ptr %a54)
+  %t56 = icmp eq i32 %t55, 3
+  br label %logic.rend8923
+logic.rend8923:
+  br label %logic.end8922
+logic.end8922:
+  %t57 = phi i1 [ false, %logic.from8920 ], [ %t56, %logic.rend8923 ]
+  br i1 %t57, label %then8924, label %else8925
+then8924:
+  %t58 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t58
+  br label %endif8926
+else8925:
+  %t59 = load ptr, ptr %a4
+  %t60 = icmp eq ptr %t59, null
+  br i1 %t60, label %panic8927, label %ok8928
+panic8927:
+  call void @finch_panic(ptr @.str.6271, i64 200, ptr @.str.6272)
   unreachable
-ok8439:
-  %t59 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t57, i32 0, i32 0
-  %t60 = load ptr, ptr %t59
-  %t61 = load %S.C.CXType, ptr %a20
-  %t62 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t60, %S.C.CXType %t61, i1 false, i1 false)
-  store %S.cimport.Mapped %t62, ptr %a63
-  %t64 = getelementptr inbounds %S.cimport.Mapped, ptr %a63, i32 0, i32 2
-  %t65 = load i1, ptr %t64
-  br i1 %t65, label %then8440, label %else8441
-then8440:
-  %t66 = getelementptr inbounds %S.cimport.Mapped, ptr %a63, i32 0, i32 0
-  %t67 = load %S.ast.Type, ptr %t66
-  %t68 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 1
-  store %S.ast.Type %t67, ptr %a69
-  call void @finch.copy.S_ast_Type(ptr %a70, ptr %a69)
-  %t71 = load %S.ast.Type, ptr %a70
-  store %S.ast.Type %t71, ptr %t68
-  br label %endif8442
-else8441:
-  %t72 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t72
-  br label %endif8442
-endif8442:
-  br label %endif8437
-endif8437:
-  br label %endif8426
-endif8426:
-  %t73 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  %t74 = load i1, ptr %t73
-  br i1 %t74, label %then8443, label %endif8445
-then8443:
-  %t75 = load ptr, ptr %a4
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic8446, label %ok8447
-panic8446:
-  call void @finch_panic(ptr @.str.6050, i64 204, ptr @.str.6051)
+ok8928:
+  %t61 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t59, i32 0, i32 0
+  %t62 = load ptr, ptr %t61
+  %t63 = load %S.C.CXType, ptr %a20
+  %t64 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t62, %S.C.CXType %t63, i1 false, i1 false)
+  store %S.cimport.Mapped %t64, ptr %a65
+  %t66 = getelementptr inbounds %S.cimport.Mapped, ptr %a65, i32 0, i32 2
+  %t67 = load i1, ptr %t66
+  br i1 %t67, label %then8929, label %else8930
+then8929:
+  %t68 = getelementptr inbounds %S.cimport.Mapped, ptr %a65, i32 0, i32 0
+  %t69 = load %S.ast.Type, ptr %t68
+  %t70 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 1
+  store %S.ast.Type %t69, ptr %a71
+  call void @finch.copy.S_ast_Type(ptr %a72, ptr %a71)
+  %t73 = load %S.ast.Type, ptr %a72
+  %t74 = load %S.ast.Type, ptr %t70
+  store %S.ast.Type %t73, ptr %t70
+  store %S.ast.Type %t74, ptr %a75
+  call void @finch.drop.S_ast_Type(ptr %a75)
+  br label %endif8931
+else8930:
+  %t76 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t76
+  br label %endif8931
+endif8931:
+  call void @finch.drop.S_cimport_Mapped(ptr %a65)
+  br label %endif8926
+endif8926:
+  br label %endif8915
+endif8915:
+  %t77 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  %t78 = load i1, ptr %t77
+  br i1 %t78, label %then8932, label %endif8934
+then8932:
+  %t79 = load ptr, ptr %a4
+  %t80 = icmp eq ptr %t79, null
+  br i1 %t80, label %panic8935, label %ok8936
+panic8935:
+  call void @finch_panic(ptr @.str.6273, i64 208, ptr @.str.6274)
   unreachable
-ok8447:
-  %t77 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t75, i32 0, i32 1
-  %t78 = load ptr, ptr %t77
-  %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic8448, label %ok8449
-panic8448:
-  call void @finch_panic(ptr @.str.6052, i64 204, ptr @.str.6053)
+ok8936:
+  %t81 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t79, i32 0, i32 1
+  %t82 = load ptr, ptr %t81
+  %t83 = icmp eq ptr %t82, null
+  br i1 %t83, label %panic8937, label %ok8938
+panic8937:
+  call void @finch_panic(ptr @.str.6275, i64 208, ptr @.str.6276)
   unreachable
-ok8449:
-  %t80 = getelementptr inbounds %S.cimport.CStruct, ptr %t78, i32 0, i32 5
-  store i1 true, ptr %t80
-  br label %endif8445
-endif8445:
-  %t81 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 0
-  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %t81, i32 0, i32 1
-  %t83 = load i64, ptr %t82
-  %t84 = icmp eq i64 %t83, 0
-  br i1 %t84, label %then8450, label %endif8452
-then8450:
-  %t85 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t85
-  br label %endif8452
-endif8452:
-  %t86 = load ptr, ptr %a4
-  %t87 = icmp eq ptr %t86, null
-  br i1 %t87, label %panic8453, label %ok8454
-panic8453:
-  call void @finch_panic(ptr @.str.6054, i64 209, ptr @.str.6055)
+ok8938:
+  %t84 = getelementptr inbounds %S.cimport.CStruct, ptr %t82, i32 0, i32 5
+  store i1 true, ptr %t84
+  br label %endif8934
+endif8934:
+  %t85 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 0
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = icmp eq i64 %t87, 0
+  br i1 %t88, label %then8939, label %endif8941
+then8939:
+  %t89 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t89
+  br label %endif8941
+endif8941:
+  %t90 = load ptr, ptr %a4
+  %t91 = icmp eq ptr %t90, null
+  br i1 %t91, label %panic8942, label %ok8943
+panic8942:
+  call void @finch_panic(ptr @.str.6277, i64 213, ptr @.str.6278)
   unreachable
-ok8454:
-  %t88 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t86, i32 0, i32 1
-  %t89 = load ptr, ptr %t88
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic8455, label %ok8456
-panic8455:
-  call void @finch_panic(ptr @.str.6056, i64 209, ptr @.str.6057)
+ok8943:
+  %t92 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t90, i32 0, i32 1
+  %t93 = load ptr, ptr %t92
+  %t94 = icmp eq ptr %t93, null
+  br i1 %t94, label %panic8944, label %ok8945
+panic8944:
+  call void @finch_panic(ptr @.str.6279, i64 213, ptr @.str.6280)
   unreachable
-ok8456:
-  %t91 = getelementptr inbounds %S.cimport.CStruct, ptr %t89, i32 0, i32 1
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
-  %t93 = load %S.cimport.CField, ptr %a12
-  store %S.cimport.CField %t93, ptr %a94
-  call void @finch.copy.S_cimport_CField(ptr %a95, ptr %a94)
-  %t96 = load %S.cimport.CField, ptr %a95
-  %t97 = load i64, ptr %t92
-  %t98 = add i64 %t97, 1
-  call void @finch_arr_reserve(ptr %t91, i64 %t98, i64 ptrtoint (ptr getelementptr (%S.cimport.CField, ptr null, i32 1) to i64))
-  %t99 = load ptr, ptr %t91
-  %t100 = getelementptr inbounds %S.cimport.CField, ptr %t99, i64 %t97
-  store %S.cimport.CField %t96, ptr %t100
-  store i64 %t98, ptr %t92
+ok8945:
+  %t95 = getelementptr inbounds %S.cimport.CStruct, ptr %t93, i32 0, i32 1
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i32 0, i32 1
+  %t97 = load %S.cimport.CField, ptr %a12
+  store %S.cimport.CField %t97, ptr %a98
+  call void @finch.copy.S_cimport_CField(ptr %a99, ptr %a98)
+  %t100 = load %S.cimport.CField, ptr %a99
+  %t101 = load i64, ptr %t96
+  %t102 = add i64 %t101, 1
+  call void @finch_arr_reserve(ptr %t95, i64 %t102, i64 ptrtoint (ptr getelementptr (%S.cimport.CField, ptr null, i32 1) to i64))
+  %t103 = load ptr, ptr %t95
+  %t104 = getelementptr inbounds %S.cimport.CField, ptr %t103, i64 %t101
+  store %S.cimport.CField %t100, ptr %t104
+  store i64 %t102, ptr %t96
+  call void @finch.drop.S_cimport_CField(ptr %a12)
   ret i32 1
 }
 
@@ -78377,89 +94413,122 @@ define internal %S.cimport.Mapped @finch.cimport.sized(i64 %p0, i1 %p1) {
 entry:
   %a1 = alloca i64, align 16
   %a2 = alloca i1, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca %S.ast.Type, align 16
+  %a11 = alloca %S.ast.Type, align 16
+  %a17 = alloca %S.ast.Type, align 16
+  %a20 = alloca %S.ast.Type, align 16
+  %a26 = alloca %S.ast.Type, align 16
+  %a29 = alloca %S.ast.Type, align 16
+  %a35 = alloca %S.ast.Type, align 16
+  %a38 = alloca %S.ast.Type, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
   store i1 %p1, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = icmp eq i64 %t3, 1
-  br i1 %t4, label %then8457, label %endif8459
-then8457:
+  br i1 %t4, label %then8946, label %endif8948
+then8946:
   %t5 = load i1, ptr %a2
-  br i1 %t5, label %then8460, label %endif8462
-then8460:
-  %t6 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6058, i64 2, i64 0 })
+  br i1 %t5, label %then8949, label %endif8951
+then8949:
+  %t6 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6281, i64 2, i64 0 })
   %t7 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t6)
+  store %S.ast.Type %t6, ptr %a8
+  call void @finch.drop.S_ast_Type(ptr %a8)
   ret %S.cimport.Mapped %t7
-endif8462:
-  %t8 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6059, i64 2, i64 0 })
-  %t9 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t8)
-  ret %S.cimport.Mapped %t9
-endif8459:
-  %t10 = load i64, ptr %a1
-  %t11 = icmp eq i64 %t10, 2
-  br i1 %t11, label %then8463, label %endif8465
-then8463:
-  %t12 = load i1, ptr %a2
-  br i1 %t12, label %then8466, label %endif8468
-then8466:
-  %t13 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6060, i64 3, i64 0 })
-  %t14 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t13)
-  ret %S.cimport.Mapped %t14
-endif8468:
-  %t15 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6061, i64 3, i64 0 })
+endif8951:
+  %t9 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6282, i64 2, i64 0 })
+  %t10 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t9)
+  store %S.ast.Type %t9, ptr %a11
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.cimport.Mapped %t10
+endif8948:
+  %t12 = load i64, ptr %a1
+  %t13 = icmp eq i64 %t12, 2
+  br i1 %t13, label %then8952, label %endif8954
+then8952:
+  %t14 = load i1, ptr %a2
+  br i1 %t14, label %then8955, label %endif8957
+then8955:
+  %t15 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6283, i64 3, i64 0 })
   %t16 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t15)
+  store %S.ast.Type %t15, ptr %a17
+  call void @finch.drop.S_ast_Type(ptr %a17)
   ret %S.cimport.Mapped %t16
-endif8465:
-  %t17 = load i64, ptr %a1
-  %t18 = icmp eq i64 %t17, 4
-  br i1 %t18, label %then8469, label %endif8471
-then8469:
-  %t19 = load i1, ptr %a2
-  br i1 %t19, label %then8472, label %endif8474
-then8472:
-  %t20 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6062, i64 3, i64 0 })
-  %t21 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t20)
-  ret %S.cimport.Mapped %t21
-endif8474:
-  %t22 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6063, i64 3, i64 0 })
-  %t23 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t22)
-  ret %S.cimport.Mapped %t23
-endif8471:
-  %t24 = load i64, ptr %a1
-  %t25 = icmp eq i64 %t24, 8
-  br i1 %t25, label %then8475, label %endif8477
-then8475:
-  %t26 = load i1, ptr %a2
-  br i1 %t26, label %then8478, label %endif8480
-then8478:
-  %t27 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6064, i64 3, i64 0 })
+endif8957:
+  %t18 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6284, i64 3, i64 0 })
+  %t19 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t18)
+  store %S.ast.Type %t18, ptr %a20
+  call void @finch.drop.S_ast_Type(ptr %a20)
+  ret %S.cimport.Mapped %t19
+endif8954:
+  %t21 = load i64, ptr %a1
+  %t22 = icmp eq i64 %t21, 4
+  br i1 %t22, label %then8958, label %endif8960
+then8958:
+  %t23 = load i1, ptr %a2
+  br i1 %t23, label %then8961, label %endif8963
+then8961:
+  %t24 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6285, i64 3, i64 0 })
+  %t25 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t24)
+  store %S.ast.Type %t24, ptr %a26
+  call void @finch.drop.S_ast_Type(ptr %a26)
+  ret %S.cimport.Mapped %t25
+endif8963:
+  %t27 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6286, i64 3, i64 0 })
   %t28 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t27)
+  store %S.ast.Type %t27, ptr %a29
+  call void @finch.drop.S_ast_Type(ptr %a29)
   ret %S.cimport.Mapped %t28
-endif8480:
-  %t29 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6065, i64 3, i64 0 })
-  %t30 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t29)
-  ret %S.cimport.Mapped %t30
-endif8477:
-  %t31 = load i64, ptr %a1
-  %t32 = mul i64 %t31, 8
-  call void @finch_str_from_int(ptr %a33, i64 %t32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.6066, i64 7, i64 0 }, ptr %a36
-  store { ptr, i64, i64 } %t34, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.6067, i64 11, i64 0 }, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t42)
-  ret %S.cimport.Mapped %t43
+endif8960:
+  %t30 = load i64, ptr %a1
+  %t31 = icmp eq i64 %t30, 8
+  br i1 %t31, label %then8964, label %endif8966
+then8964:
+  %t32 = load i1, ptr %a2
+  br i1 %t32, label %then8967, label %endif8969
+then8967:
+  %t33 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6287, i64 3, i64 0 })
+  %t34 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t33)
+  store %S.ast.Type %t33, ptr %a35
+  call void @finch.drop.S_ast_Type(ptr %a35)
+  ret %S.cimport.Mapped %t34
+endif8969:
+  %t36 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6288, i64 3, i64 0 })
+  %t37 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t36)
+  store %S.ast.Type %t36, ptr %a38
+  call void @finch.drop.S_ast_Type(ptr %a38)
+  ret %S.cimport.Mapped %t37
+endif8966:
+  %t39 = load i64, ptr %a1
+  %t40 = mul i64 %t39, 8
+  call void @finch_str_from_int(ptr %a41, i64 %t40)
+  %t42 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.6289, i64 7, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } %t42, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  store { ptr, i64, i64 } %t47, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.6290, i64 11, i64 0 }, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t52)
+  store { ptr, i64, i64 } %t52, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  ret %S.cimport.Mapped %t53
 }
 
 define internal %S.cimport.Mapped @finch.cimport.mapType(ptr %p0, %S.C.CXType %p1, i1 %p2, i1 %p3) {
@@ -78474,35 +94543,49 @@ entry:
   %a11 = alloca %S.C.CXType, align 16
   %a13 = alloca i64, align 16
   %a16 = alloca i32, align 16
-  %a78 = alloca %S.C.CXType, align 16
-  %a79 = alloca %S.C.CXType, align 16
-  %a81 = alloca %S.C.CXType, align 16
+  %a21 = alloca %S.ast.Type, align 16
+  %a26 = alloca %S.ast.Type, align 16
+  %a34 = alloca %S.ast.Type, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a80 = alloca %S.ast.Type, align 16
   %a83 = alloca %S.C.CXType, align 16
-  %a85 = alloca %S.C.CXType, align 16
-  %a98 = alloca %S.C.CXType, align 16
-  %a120 = alloca %S.cimport.Mapped, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca %S.C.CXType, align 16
+  %a86 = alloca %S.C.CXType, align 16
+  %a88 = alloca %S.C.CXType, align 16
+  %a90 = alloca %S.C.CXType, align 16
+  %a103 = alloca %S.C.CXType, align 16
+  %a109 = alloca %S.ast.Type, align 16
+  %a123 = alloca %S.ast.Type, align 16
+  %a127 = alloca %S.cimport.Mapped, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca %S.C.CXCursor, align 16
-  %a150 = alloca %S.C.CXType, align 16
-  %a152 = alloca %S.C.CXCursor, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca %S.C.CXType, align 16
-  %a177 = alloca %S.C.CXType, align 16
-  %a180 = alloca %S.cimport.Mapped, align 16
-  %a188 = alloca %S.C.CXType, align 16
-  %a196 = alloca %S.C.CXType, align 16
-  %a198 = alloca [32 x i8], align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca %S.ast.Type, align 16
+  %a154 = alloca %S.ast.Type, align 16
+  %a157 = alloca %S.C.CXCursor, align 16
+  %a159 = alloca %S.C.CXType, align 16
+  %a161 = alloca %S.C.CXCursor, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca %S.ast.Type, align 16
+  %a185 = alloca %S.C.CXType, align 16
+  %a187 = alloca %S.C.CXType, align 16
+  %a190 = alloca %S.cimport.Mapped, align 16
+  %a198 = alloca %S.C.CXType, align 16
+  %a202 = alloca %S.ast.Type, align 16
+  %a207 = alloca %S.C.CXType, align 16
+  %a209 = alloca [32 x i8], align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXType %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -78521,402 +94604,435 @@ entry:
   store i32 %t15, ptr %a16
   %t17 = load i32, ptr %a16
   %t18 = icmp eq i32 %t17, 2
-  br i1 %t18, label %then8481, label %endif8483
-then8481:
-  %t19 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6068, i64 4, i64 0 })
+  br i1 %t18, label %then8970, label %endif8972
+then8970:
+  %t19 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6291, i64 4, i64 0 })
   %t20 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t19)
+  store %S.ast.Type %t19, ptr %a21
+  call void @finch.drop.S_ast_Type(ptr %a21)
   ret %S.cimport.Mapped %t20
-endif8483:
-  %t21 = load i32, ptr %a16
-  %t22 = icmp eq i32 %t21, 3
-  br i1 %t22, label %then8484, label %endif8486
-then8484:
-  %t23 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6069, i64 4, i64 0 })
-  %t24 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t23)
-  ret %S.cimport.Mapped %t24
-endif8486:
-  %t25 = load i32, ptr %a16
-  %t26 = icmp eq i32 %t25, 13
-  br label %logic.from8487
-logic.from8487:
-  br i1 %t26, label %logic.end8489, label %logic.rhs8488
-logic.rhs8488:
+endif8972:
+  %t22 = load i32, ptr %a16
+  %t23 = icmp eq i32 %t22, 3
+  br i1 %t23, label %then8973, label %endif8975
+then8973:
+  %t24 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6292, i64 4, i64 0 })
+  %t25 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t24)
+  store %S.ast.Type %t24, ptr %a26
+  call void @finch.drop.S_ast_Type(ptr %a26)
+  ret %S.cimport.Mapped %t25
+endif8975:
   %t27 = load i32, ptr %a16
-  %t28 = icmp eq i32 %t27, 4
-  br label %logic.rend8490
-logic.rend8490:
-  br label %logic.end8489
-logic.end8489:
-  %t29 = phi i1 [ true, %logic.from8487 ], [ %t28, %logic.rend8490 ]
-  br i1 %t29, label %then8491, label %endif8493
-then8491:
-  %t30 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6070, i64 4, i64 0 })
-  %t31 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t30)
-  ret %S.cimport.Mapped %t31
-endif8493:
-  %t32 = load i32, ptr %a16
-  %t33 = icmp eq i32 %t32, 14
-  br label %logic.from8494
-logic.from8494:
-  br i1 %t33, label %logic.end8496, label %logic.rhs8495
-logic.rhs8495:
-  %t34 = load i32, ptr %a16
-  %t35 = icmp eq i32 %t34, 16
-  br label %logic.rend8497
-logic.rend8497:
-  br label %logic.end8496
-logic.end8496:
-  %t36 = phi i1 [ true, %logic.from8494 ], [ %t35, %logic.rend8497 ]
-  br label %logic.from8498
-logic.from8498:
-  br i1 %t36, label %logic.end8500, label %logic.rhs8499
-logic.rhs8499:
+  %t28 = icmp eq i32 %t27, 13
+  br label %logic.from8976
+logic.from8976:
+  br i1 %t28, label %logic.end8978, label %logic.rhs8977
+logic.rhs8977:
+  %t29 = load i32, ptr %a16
+  %t30 = icmp eq i32 %t29, 4
+  br label %logic.rend8979
+logic.rend8979:
+  br label %logic.end8978
+logic.end8978:
+  %t31 = phi i1 [ true, %logic.from8976 ], [ %t30, %logic.rend8979 ]
+  br i1 %t31, label %then8980, label %endif8982
+then8980:
+  %t32 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6293, i64 4, i64 0 })
+  %t33 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t32)
+  store %S.ast.Type %t32, ptr %a34
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  ret %S.cimport.Mapped %t33
+endif8982:
+  %t35 = load i32, ptr %a16
+  %t36 = icmp eq i32 %t35, 14
+  br label %logic.from8983
+logic.from8983:
+  br i1 %t36, label %logic.end8985, label %logic.rhs8984
+logic.rhs8984:
   %t37 = load i32, ptr %a16
-  %t38 = icmp eq i32 %t37, 17
-  br label %logic.rend8501
-logic.rend8501:
-  br label %logic.end8500
-logic.end8500:
-  %t39 = phi i1 [ true, %logic.from8498 ], [ %t38, %logic.rend8501 ]
-  br label %logic.from8502
-logic.from8502:
-  br i1 %t39, label %logic.end8504, label %logic.rhs8503
-logic.rhs8503:
+  %t38 = icmp eq i32 %t37, 16
+  br label %logic.rend8986
+logic.rend8986:
+  br label %logic.end8985
+logic.end8985:
+  %t39 = phi i1 [ true, %logic.from8983 ], [ %t38, %logic.rend8986 ]
+  br label %logic.from8987
+logic.from8987:
+  br i1 %t39, label %logic.end8989, label %logic.rhs8988
+logic.rhs8988:
   %t40 = load i32, ptr %a16
-  %t41 = icmp eq i32 %t40, 18
-  br label %logic.rend8505
-logic.rend8505:
-  br label %logic.end8504
-logic.end8504:
-  %t42 = phi i1 [ true, %logic.from8502 ], [ %t41, %logic.rend8505 ]
-  br label %logic.from8506
-logic.from8506:
-  br i1 %t42, label %logic.end8508, label %logic.rhs8507
-logic.rhs8507:
+  %t41 = icmp eq i32 %t40, 17
+  br label %logic.rend8990
+logic.rend8990:
+  br label %logic.end8989
+logic.end8989:
+  %t42 = phi i1 [ true, %logic.from8987 ], [ %t41, %logic.rend8990 ]
+  br label %logic.from8991
+logic.from8991:
+  br i1 %t42, label %logic.end8993, label %logic.rhs8992
+logic.rhs8992:
   %t43 = load i32, ptr %a16
-  %t44 = icmp eq i32 %t43, 19
-  br label %logic.rend8509
-logic.rend8509:
-  br label %logic.end8508
-logic.end8508:
-  %t45 = phi i1 [ true, %logic.from8506 ], [ %t44, %logic.rend8509 ]
-  br i1 %t45, label %then8510, label %endif8512
-then8510:
-  %t46 = load i64, ptr %a13
-  %t47 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t46, i1 true)
-  ret %S.cimport.Mapped %t47
-endif8512:
-  %t48 = load i32, ptr %a16
-  %t49 = icmp eq i32 %t48, 5
-  br label %logic.from8513
-logic.from8513:
-  br i1 %t49, label %logic.end8515, label %logic.rhs8514
-logic.rhs8514:
-  %t50 = load i32, ptr %a16
-  %t51 = icmp eq i32 %t50, 8
-  br label %logic.rend8516
-logic.rend8516:
-  br label %logic.end8515
-logic.end8515:
-  %t52 = phi i1 [ true, %logic.from8513 ], [ %t51, %logic.rend8516 ]
-  br label %logic.from8517
-logic.from8517:
-  br i1 %t52, label %logic.end8519, label %logic.rhs8518
-logic.rhs8518:
+  %t44 = icmp eq i32 %t43, 18
+  br label %logic.rend8994
+logic.rend8994:
+  br label %logic.end8993
+logic.end8993:
+  %t45 = phi i1 [ true, %logic.from8991 ], [ %t44, %logic.rend8994 ]
+  br label %logic.from8995
+logic.from8995:
+  br i1 %t45, label %logic.end8997, label %logic.rhs8996
+logic.rhs8996:
+  %t46 = load i32, ptr %a16
+  %t47 = icmp eq i32 %t46, 19
+  br label %logic.rend8998
+logic.rend8998:
+  br label %logic.end8997
+logic.end8997:
+  %t48 = phi i1 [ true, %logic.from8995 ], [ %t47, %logic.rend8998 ]
+  br i1 %t48, label %then8999, label %endif9001
+then8999:
+  %t49 = load i64, ptr %a13
+  %t50 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t49, i1 true)
+  ret %S.cimport.Mapped %t50
+endif9001:
+  %t51 = load i32, ptr %a16
+  %t52 = icmp eq i32 %t51, 5
+  br label %logic.from9002
+logic.from9002:
+  br i1 %t52, label %logic.end9004, label %logic.rhs9003
+logic.rhs9003:
   %t53 = load i32, ptr %a16
-  %t54 = icmp eq i32 %t53, 9
-  br label %logic.rend8520
-logic.rend8520:
-  br label %logic.end8519
-logic.end8519:
-  %t55 = phi i1 [ true, %logic.from8517 ], [ %t54, %logic.rend8520 ]
-  br label %logic.from8521
-logic.from8521:
-  br i1 %t55, label %logic.end8523, label %logic.rhs8522
-logic.rhs8522:
+  %t54 = icmp eq i32 %t53, 8
+  br label %logic.rend9005
+logic.rend9005:
+  br label %logic.end9004
+logic.end9004:
+  %t55 = phi i1 [ true, %logic.from9002 ], [ %t54, %logic.rend9005 ]
+  br label %logic.from9006
+logic.from9006:
+  br i1 %t55, label %logic.end9008, label %logic.rhs9007
+logic.rhs9007:
   %t56 = load i32, ptr %a16
-  %t57 = icmp eq i32 %t56, 10
-  br label %logic.rend8524
-logic.rend8524:
-  br label %logic.end8523
-logic.end8523:
-  %t58 = phi i1 [ true, %logic.from8521 ], [ %t57, %logic.rend8524 ]
-  br label %logic.from8525
-logic.from8525:
-  br i1 %t58, label %logic.end8527, label %logic.rhs8526
-logic.rhs8526:
+  %t57 = icmp eq i32 %t56, 9
+  br label %logic.rend9009
+logic.rend9009:
+  br label %logic.end9008
+logic.end9008:
+  %t58 = phi i1 [ true, %logic.from9006 ], [ %t57, %logic.rend9009 ]
+  br label %logic.from9010
+logic.from9010:
+  br i1 %t58, label %logic.end9012, label %logic.rhs9011
+logic.rhs9011:
   %t59 = load i32, ptr %a16
-  %t60 = icmp eq i32 %t59, 11
-  br label %logic.rend8528
-logic.rend8528:
-  br label %logic.end8527
-logic.end8527:
-  %t61 = phi i1 [ true, %logic.from8525 ], [ %t60, %logic.rend8528 ]
-  br i1 %t61, label %then8529, label %endif8531
-then8529:
-  %t62 = load i64, ptr %a13
-  %t63 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t62, i1 false)
-  ret %S.cimport.Mapped %t63
-endif8531:
-  %t64 = load i32, ptr %a16
-  %t65 = icmp eq i32 %t64, 106
-  br i1 %t65, label %then8532, label %endif8534
-then8532:
-  %t66 = load i64, ptr %a13
-  %t67 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t66, i1 true)
-  ret %S.cimport.Mapped %t67
-endif8534:
-  %t68 = load i32, ptr %a16
-  %t69 = icmp eq i32 %t68, 21
-  br i1 %t69, label %then8535, label %endif8537
-then8535:
-  %t70 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6071, i64 3, i64 0 })
-  %t71 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t70)
-  ret %S.cimport.Mapped %t71
-endif8537:
-  %t72 = load i32, ptr %a16
-  %t73 = icmp eq i32 %t72, 22
-  br i1 %t73, label %then8538, label %endif8540
-then8538:
-  %t74 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6072, i64 5, i64 0 })
-  %t75 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t74)
-  ret %S.cimport.Mapped %t75
-endif8540:
+  %t60 = icmp eq i32 %t59, 10
+  br label %logic.rend9013
+logic.rend9013:
+  br label %logic.end9012
+logic.end9012:
+  %t61 = phi i1 [ true, %logic.from9010 ], [ %t60, %logic.rend9013 ]
+  br label %logic.from9014
+logic.from9014:
+  br i1 %t61, label %logic.end9016, label %logic.rhs9015
+logic.rhs9015:
+  %t62 = load i32, ptr %a16
+  %t63 = icmp eq i32 %t62, 11
+  br label %logic.rend9017
+logic.rend9017:
+  br label %logic.end9016
+logic.end9016:
+  %t64 = phi i1 [ true, %logic.from9014 ], [ %t63, %logic.rend9017 ]
+  br i1 %t64, label %then9018, label %endif9020
+then9018:
+  %t65 = load i64, ptr %a13
+  %t66 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t65, i1 false)
+  ret %S.cimport.Mapped %t66
+endif9020:
+  %t67 = load i32, ptr %a16
+  %t68 = icmp eq i32 %t67, 106
+  br i1 %t68, label %then9021, label %endif9023
+then9021:
+  %t69 = load i64, ptr %a13
+  %t70 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t69, i1 true)
+  ret %S.cimport.Mapped %t70
+endif9023:
+  %t71 = load i32, ptr %a16
+  %t72 = icmp eq i32 %t71, 21
+  br i1 %t72, label %then9024, label %endif9026
+then9024:
+  %t73 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6294, i64 3, i64 0 })
+  %t74 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t73)
+  store %S.ast.Type %t73, ptr %a75
+  call void @finch.drop.S_ast_Type(ptr %a75)
+  ret %S.cimport.Mapped %t74
+endif9026:
   %t76 = load i32, ptr %a16
-  %t77 = icmp eq i32 %t76, 101
-  br i1 %t77, label %then8541, label %endif8543
-then8541:
-  %t80 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t80, ptr %a81
-  call void @clang_getPointeeType(ptr sret(%S.C.CXType) align 16 %a79, ptr %a81)
-  %t82 = load %S.C.CXType, ptr %a79
-  store %S.C.CXType %t82, ptr %a83
-  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a78, ptr %a83)
-  %t84 = load %S.C.CXType, ptr %a78
-  store %S.C.CXType %t84, ptr %a85
-  %t86 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t87 = load i32, ptr %t86
-  %t88 = icmp eq i32 %t87, 13
-  br label %logic.from8544
-logic.from8544:
-  br i1 %t88, label %logic.end8546, label %logic.rhs8545
-logic.rhs8545:
-  %t89 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t90 = load i32, ptr %t89
-  %t91 = icmp eq i32 %t90, 4
-  br label %logic.rend8547
-logic.rend8547:
-  br label %logic.end8546
-logic.end8546:
-  %t92 = phi i1 [ true, %logic.from8544 ], [ %t91, %logic.rend8547 ]
-  br label %logic.from8548
-logic.from8548:
-  br i1 %t92, label %logic.rhs8549, label %logic.end8550
-logic.rhs8549:
-  %t93 = load i1, ptr %a3
-  br label %logic.rend8551
-logic.rend8551:
-  br label %logic.end8550
-logic.end8550:
-  %t94 = phi i1 [ false, %logic.from8548 ], [ %t93, %logic.rend8551 ]
-  br i1 %t94, label %then8552, label %endif8554
-then8552:
-  %t95 = load i1, ptr %a4
-  %t96 = xor i1 %t95, true
-  br label %logic.from8555
-logic.from8555:
-  br i1 %t96, label %logic.end8557, label %logic.rhs8556
-logic.rhs8556:
-  %t97 = load %S.C.CXType, ptr %a85
-  store %S.C.CXType %t97, ptr %a98
-  %t99 = call i32 @clang_isConstQualifiedType(ptr %a98)
-  %t100 = icmp ne i32 %t99, 0
-  br label %logic.rend8558
-logic.rend8558:
-  br label %logic.end8557
-logic.end8557:
-  %t101 = phi i1 [ true, %logic.from8555 ], [ %t100, %logic.rend8558 ]
-  br i1 %t101, label %then8559, label %endif8561
-then8559:
-  %t102 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6073, i64 3, i64 0 })
-  %t103 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t102)
-  ret %S.cimport.Mapped %t103
-endif8561:
-  br label %endif8554
-endif8554:
-  %t104 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t105 = load i32, ptr %t104
-  %t106 = icmp eq i32 %t105, 2
-  br label %logic.from8562
-logic.from8562:
-  br i1 %t106, label %logic.end8564, label %logic.rhs8563
-logic.rhs8563:
-  %t107 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t108 = load i32, ptr %t107
-  %t109 = icmp eq i32 %t108, 111
-  br label %logic.rend8565
-logic.rend8565:
-  br label %logic.end8564
-logic.end8564:
-  %t110 = phi i1 [ true, %logic.from8562 ], [ %t109, %logic.rend8565 ]
-  br label %logic.from8566
-logic.from8566:
-  br i1 %t110, label %logic.end8568, label %logic.rhs8567
-logic.rhs8567:
-  %t111 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t112 = load i32, ptr %t111
-  %t113 = icmp eq i32 %t112, 110
-  br label %logic.rend8569
-logic.rend8569:
-  br label %logic.end8568
-logic.end8568:
-  %t114 = phi i1 [ true, %logic.from8566 ], [ %t113, %logic.rend8569 ]
-  br i1 %t114, label %then8570, label %endif8572
-then8570:
-  %t115 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6074, i64 3, i64 0 })
-  %t116 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t115)
-  ret %S.cimport.Mapped %t116
-endif8572:
-  %t117 = load ptr, ptr %a1
-  %t118 = load %S.C.CXType, ptr %a85
-  %t119 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t117, %S.C.CXType %t118, i1 false, i1 false)
-  store %S.cimport.Mapped %t119, ptr %a120
-  %t121 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 2
-  %t122 = load i1, ptr %t121
-  %t123 = xor i1 %t122, true
-  br label %logic.from8573
-logic.from8573:
-  br i1 %t123, label %logic.end8575, label %logic.rhs8574
-logic.rhs8574:
-  %t124 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 0
-  %t125 = getelementptr inbounds %S.ast.Type, ptr %t124, i32 0, i32 0
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t126, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.6075, i64 4, i64 0 }, ptr %a128
-  %t129 = call i32 @finch_str_eq(ptr %a127, ptr %a128)
-  %t130 = icmp ne i32 %t129, 0
-  br label %logic.rend8576
-logic.rend8576:
-  br label %logic.end8575
-logic.end8575:
-  %t131 = phi i1 [ true, %logic.from8573 ], [ %t130, %logic.rend8576 ]
-  br label %logic.from8577
-logic.from8577:
-  br i1 %t131, label %logic.end8579, label %logic.rhs8578
-logic.rhs8578:
-  %t132 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 0
-  %t133 = getelementptr inbounds %S.ast.Type, ptr %t132, i32 0, i32 0
-  %t134 = load { ptr, i64, i64 }, ptr %t133
-  store { ptr, i64, i64 } %t134, ptr %a135
-  store { ptr, i64, i64 } { ptr @.str.6076, i64 5, i64 0 }, ptr %a136
-  %t137 = call i32 @finch_str_eq(ptr %a135, ptr %a136)
-  %t138 = icmp ne i32 %t137, 0
-  br label %logic.rend8580
-logic.rend8580:
-  br label %logic.end8579
-logic.end8579:
-  %t139 = phi i1 [ true, %logic.from8577 ], [ %t138, %logic.rend8580 ]
-  br i1 %t139, label %then8581, label %endif8583
-then8581:
-  %t140 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6077, i64 3, i64 0 })
-  %t141 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t140)
-  ret %S.cimport.Mapped %t141
-endif8583:
-  %t142 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 0
-  %t143 = load %S.ast.Type, ptr %t142
-  %t144 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t143)
-  %t145 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t144)
-  ret %S.cimport.Mapped %t145
-endif8543:
-  %t146 = load i32, ptr %a16
-  %t147 = icmp eq i32 %t146, 105
-  br i1 %t147, label %then8584, label %endif8586
-then8584:
-  %t149 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t149, ptr %a150
-  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a148, ptr %a150)
-  %t151 = load %S.C.CXCursor, ptr %a148
-  store %S.C.CXCursor %t151, ptr %a152
-  %t153 = call i32 @clang_getCursorKind(ptr %a152)
-  %t154 = icmp eq i32 %t153, 3
-  br i1 %t154, label %then8587, label %endif8589
-then8587:
-  %t155 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6078, i64 23, i64 0 })
-  ret %S.cimport.Mapped %t155
-endif8589:
-  %t156 = load ptr, ptr %a1
-  %t157 = load %S.C.CXType, ptr %a9
-  %t158 = call { ptr, i64, i64 } @finch.cimport.defineRecord(ptr %t156, %S.C.CXType %t157)
-  store { ptr, i64, i64 } %t158, ptr %a159
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %a159, i32 0, i32 1
-  %t161 = load i64, ptr %t160
-  %t162 = icmp eq i64 %t161, 0
-  br i1 %t162, label %then8590, label %endif8592
-then8590:
-  %t163 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6079, i64 36, i64 0 })
-  ret %S.cimport.Mapped %t163
-endif8592:
-  %t164 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6080, i64 5, i64 0 }, 0
-  %t165 = load { ptr, i64, i64 }, ptr %a159
-  store { ptr, i64, i64 } %t165, ptr %a166
-  call void @finch_str_copy(ptr %a167, ptr %a166)
-  %t168 = load { ptr, i64, i64 }, ptr %a167
-  %t169 = insertvalue %S.ast.Type %t164, { ptr, i64, i64 } %t168, 2
-  %t170 = insertvalue %S.ast.Type %t169, { ptr, i64, i64 } { ptr @.str.6081, i64 1, i64 0 }, 3
-  %t171 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t170)
-  ret %S.cimport.Mapped %t171
-endif8586:
-  %t172 = load i32, ptr %a16
-  %t173 = icmp eq i32 %t172, 112
-  br i1 %t173, label %then8593, label %endif8595
-then8593:
-  %t174 = load ptr, ptr %a1
-  %t176 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t176, ptr %a177
-  call void @clang_getArrayElementType(ptr sret(%S.C.CXType) align 16 %a175, ptr %a177)
-  %t178 = load %S.C.CXType, ptr %a175
-  %t179 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t174, %S.C.CXType %t178, i1 false, i1 false)
-  store %S.cimport.Mapped %t179, ptr %a180
-  %t181 = getelementptr inbounds %S.cimport.Mapped, ptr %a180, i32 0, i32 2
-  %t182 = load i1, ptr %t181
-  %t183 = xor i1 %t182, true
-  br i1 %t183, label %then8596, label %endif8598
-then8596:
-  %t184 = load %S.cimport.Mapped, ptr %a180
-  ret %S.cimport.Mapped %t184
-endif8598:
-  %t185 = getelementptr inbounds %S.cimport.Mapped, ptr %a180, i32 0, i32 0
-  %t186 = load %S.ast.Type, ptr %t185
-  %t187 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t187, ptr %a188
-  %t189 = call i64 @clang_getArraySize(ptr %a188)
-  %t190 = call %S.ast.Type @finch.cimport.fixed(%S.ast.Type %t186, i64 %t189)
-  %t191 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t190)
-  ret %S.cimport.Mapped %t191
-endif8595:
-  %t192 = load i32, ptr %a16
-  %t193 = icmp eq i32 %t192, 23
-  br i1 %t193, label %then8599, label %endif8601
-then8599:
-  %t194 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6082, i64 16, i64 0 })
+  %t77 = icmp eq i32 %t76, 22
+  br i1 %t77, label %then9027, label %endif9029
+then9027:
+  %t78 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6295, i64 5, i64 0 })
+  %t79 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t78)
+  store %S.ast.Type %t78, ptr %a80
+  call void @finch.drop.S_ast_Type(ptr %a80)
+  ret %S.cimport.Mapped %t79
+endif9029:
+  %t81 = load i32, ptr %a16
+  %t82 = icmp eq i32 %t81, 101
+  br i1 %t82, label %then9030, label %endif9032
+then9030:
+  %t85 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t85, ptr %a86
+  call void @clang_getPointeeType(ptr sret(%S.C.CXType) align 16 %a84, ptr %a86)
+  %t87 = load %S.C.CXType, ptr %a84
+  store %S.C.CXType %t87, ptr %a88
+  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a83, ptr %a88)
+  %t89 = load %S.C.CXType, ptr %a83
+  store %S.C.CXType %t89, ptr %a90
+  %t91 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t92 = load i32, ptr %t91
+  %t93 = icmp eq i32 %t92, 13
+  br label %logic.from9033
+logic.from9033:
+  br i1 %t93, label %logic.end9035, label %logic.rhs9034
+logic.rhs9034:
+  %t94 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t95 = load i32, ptr %t94
+  %t96 = icmp eq i32 %t95, 4
+  br label %logic.rend9036
+logic.rend9036:
+  br label %logic.end9035
+logic.end9035:
+  %t97 = phi i1 [ true, %logic.from9033 ], [ %t96, %logic.rend9036 ]
+  br label %logic.from9037
+logic.from9037:
+  br i1 %t97, label %logic.rhs9038, label %logic.end9039
+logic.rhs9038:
+  %t98 = load i1, ptr %a3
+  br label %logic.rend9040
+logic.rend9040:
+  br label %logic.end9039
+logic.end9039:
+  %t99 = phi i1 [ false, %logic.from9037 ], [ %t98, %logic.rend9040 ]
+  br i1 %t99, label %then9041, label %endif9043
+then9041:
+  %t100 = load i1, ptr %a4
+  %t101 = xor i1 %t100, true
+  br label %logic.from9044
+logic.from9044:
+  br i1 %t101, label %logic.end9046, label %logic.rhs9045
+logic.rhs9045:
+  %t102 = load %S.C.CXType, ptr %a90
+  store %S.C.CXType %t102, ptr %a103
+  %t104 = call i32 @clang_isConstQualifiedType(ptr %a103)
+  %t105 = icmp ne i32 %t104, 0
+  br label %logic.rend9047
+logic.rend9047:
+  br label %logic.end9046
+logic.end9046:
+  %t106 = phi i1 [ true, %logic.from9044 ], [ %t105, %logic.rend9047 ]
+  br i1 %t106, label %then9048, label %endif9050
+then9048:
+  %t107 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6296, i64 3, i64 0 })
+  %t108 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t107)
+  store %S.ast.Type %t107, ptr %a109
+  call void @finch.drop.S_ast_Type(ptr %a109)
+  ret %S.cimport.Mapped %t108
+endif9050:
+  br label %endif9043
+endif9043:
+  %t110 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t111 = load i32, ptr %t110
+  %t112 = icmp eq i32 %t111, 2
+  br label %logic.from9051
+logic.from9051:
+  br i1 %t112, label %logic.end9053, label %logic.rhs9052
+logic.rhs9052:
+  %t113 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t114 = load i32, ptr %t113
+  %t115 = icmp eq i32 %t114, 111
+  br label %logic.rend9054
+logic.rend9054:
+  br label %logic.end9053
+logic.end9053:
+  %t116 = phi i1 [ true, %logic.from9051 ], [ %t115, %logic.rend9054 ]
+  br label %logic.from9055
+logic.from9055:
+  br i1 %t116, label %logic.end9057, label %logic.rhs9056
+logic.rhs9056:
+  %t117 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t118 = load i32, ptr %t117
+  %t119 = icmp eq i32 %t118, 110
+  br label %logic.rend9058
+logic.rend9058:
+  br label %logic.end9057
+logic.end9057:
+  %t120 = phi i1 [ true, %logic.from9055 ], [ %t119, %logic.rend9058 ]
+  br i1 %t120, label %then9059, label %endif9061
+then9059:
+  %t121 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6297, i64 3, i64 0 })
+  %t122 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t121)
+  store %S.ast.Type %t121, ptr %a123
+  call void @finch.drop.S_ast_Type(ptr %a123)
+  ret %S.cimport.Mapped %t122
+endif9061:
+  %t124 = load ptr, ptr %a1
+  %t125 = load %S.C.CXType, ptr %a90
+  %t126 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t124, %S.C.CXType %t125, i1 false, i1 false)
+  store %S.cimport.Mapped %t126, ptr %a127
+  %t128 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 2
+  %t129 = load i1, ptr %t128
+  %t130 = xor i1 %t129, true
+  br label %logic.from9062
+logic.from9062:
+  br i1 %t130, label %logic.end9064, label %logic.rhs9063
+logic.rhs9063:
+  %t131 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 0
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %t131, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.6298, i64 4, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp ne i32 %t136, 0
+  br label %logic.rend9065
+logic.rend9065:
+  br label %logic.end9064
+logic.end9064:
+  %t138 = phi i1 [ true, %logic.from9062 ], [ %t137, %logic.rend9065 ]
+  br label %logic.from9066
+logic.from9066:
+  br i1 %t138, label %logic.end9068, label %logic.rhs9067
+logic.rhs9067:
+  %t139 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 0
+  %t140 = getelementptr inbounds %S.ast.Type, ptr %t139, i32 0, i32 0
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.6299, i64 5, i64 0 }, ptr %a143
+  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
+  %t145 = icmp ne i32 %t144, 0
+  br label %logic.rend9069
+logic.rend9069:
+  br label %logic.end9068
+logic.end9068:
+  %t146 = phi i1 [ true, %logic.from9066 ], [ %t145, %logic.rend9069 ]
+  br i1 %t146, label %then9070, label %endif9072
+then9070:
+  %t147 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6300, i64 3, i64 0 })
+  %t148 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t147)
+  store %S.ast.Type %t147, ptr %a149
+  call void @finch.drop.S_ast_Type(ptr %a149)
+  call void @finch.drop.S_cimport_Mapped(ptr %a127)
+  ret %S.cimport.Mapped %t148
+endif9072:
+  %t150 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 0
+  %t151 = load %S.ast.Type, ptr %t150
+  %t152 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t151)
+  %t153 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t152)
+  store %S.ast.Type %t152, ptr %a154
+  call void @finch.drop.S_ast_Type(ptr %a154)
+  call void @finch.drop.S_cimport_Mapped(ptr %a127)
+  ret %S.cimport.Mapped %t153
+endif9032:
+  %t155 = load i32, ptr %a16
+  %t156 = icmp eq i32 %t155, 105
+  br i1 %t156, label %then9073, label %endif9075
+then9073:
+  %t158 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t158, ptr %a159
+  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a157, ptr %a159)
+  %t160 = load %S.C.CXCursor, ptr %a157
+  store %S.C.CXCursor %t160, ptr %a161
+  %t162 = call i32 @clang_getCursorKind(ptr %a161)
+  %t163 = icmp eq i32 %t162, 3
+  br i1 %t163, label %then9076, label %endif9078
+then9076:
+  %t164 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6301, i64 23, i64 0 })
+  ret %S.cimport.Mapped %t164
+endif9078:
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.C.CXType, ptr %a9
+  %t167 = call { ptr, i64, i64 } @finch.cimport.defineRecord(ptr %t165, %S.C.CXType %t166)
+  store { ptr, i64, i64 } %t167, ptr %a168
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %a168, i32 0, i32 1
+  %t170 = load i64, ptr %t169
+  %t171 = icmp eq i64 %t170, 0
+  br i1 %t171, label %then9079, label %endif9081
+then9079:
+  %t172 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6302, i64 36, i64 0 })
+  call void @finch_str_drop(ptr %a168)
+  ret %S.cimport.Mapped %t172
+endif9081:
+  %t173 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6303, i64 5, i64 0 }, 0
+  %t174 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t174, ptr %a175
+  call void @finch_str_copy(ptr %a176, ptr %a175)
+  %t177 = load { ptr, i64, i64 }, ptr %a176
+  %t178 = insertvalue %S.ast.Type %t173, { ptr, i64, i64 } %t177, 2
+  %t179 = insertvalue %S.ast.Type %t178, { ptr, i64, i64 } { ptr @.str.6304, i64 1, i64 0 }, 3
+  %t180 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t179)
+  store %S.ast.Type %t179, ptr %a181
+  call void @finch.drop.S_ast_Type(ptr %a181)
+  call void @finch_str_drop(ptr %a168)
+  ret %S.cimport.Mapped %t180
+endif9075:
+  %t182 = load i32, ptr %a16
+  %t183 = icmp eq i32 %t182, 112
+  br i1 %t183, label %then9082, label %endif9084
+then9082:
+  %t184 = load ptr, ptr %a1
+  %t186 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t186, ptr %a187
+  call void @clang_getArrayElementType(ptr sret(%S.C.CXType) align 16 %a185, ptr %a187)
+  %t188 = load %S.C.CXType, ptr %a185
+  %t189 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t184, %S.C.CXType %t188, i1 false, i1 false)
+  store %S.cimport.Mapped %t189, ptr %a190
+  %t191 = getelementptr inbounds %S.cimport.Mapped, ptr %a190, i32 0, i32 2
+  %t192 = load i1, ptr %t191
+  %t193 = xor i1 %t192, true
+  br i1 %t193, label %then9085, label %endif9087
+then9085:
+  %t194 = load %S.cimport.Mapped, ptr %a190
   ret %S.cimport.Mapped %t194
-endif8601:
-  %t195 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t195, ptr %a196
-  %t197 = call [2 x i64] @clang_getTypeSpelling(ptr %a196)
-  store [2 x i64] %t197, ptr %a198
-  %t199 = load %S.C.CXString, ptr %a198
-  %t200 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t199)
-  store { ptr, i64, i64 } { ptr @.str.6083, i64 17, i64 0 }, ptr %a202
-  store { ptr, i64, i64 } %t200, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  store { ptr, i64, i64 } %t204, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.6084, i64 1, i64 0 }, ptr %a207
-  call void @finch_str_concat(ptr %a205, ptr %a206, ptr %a207)
-  %t208 = load { ptr, i64, i64 }, ptr %a205
-  %t209 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t208)
-  ret %S.cimport.Mapped %t209
+endif9087:
+  %t195 = getelementptr inbounds %S.cimport.Mapped, ptr %a190, i32 0, i32 0
+  %t196 = load %S.ast.Type, ptr %t195
+  %t197 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t197, ptr %a198
+  %t199 = call i64 @clang_getArraySize(ptr %a198)
+  %t200 = call %S.ast.Type @finch.cimport.fixed(%S.ast.Type %t196, i64 %t199)
+  %t201 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t200)
+  store %S.ast.Type %t200, ptr %a202
+  call void @finch.drop.S_ast_Type(ptr %a202)
+  call void @finch.drop.S_cimport_Mapped(ptr %a190)
+  ret %S.cimport.Mapped %t201
+endif9084:
+  %t203 = load i32, ptr %a16
+  %t204 = icmp eq i32 %t203, 23
+  br i1 %t204, label %then9088, label %endif9090
+then9088:
+  %t205 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6305, i64 16, i64 0 })
+  ret %S.cimport.Mapped %t205
+endif9090:
+  %t206 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t206, ptr %a207
+  %t208 = call [2 x i64] @clang_getTypeSpelling(ptr %a207)
+  store [2 x i64] %t208, ptr %a209
+  %t210 = load %S.C.CXString, ptr %a209
+  %t211 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t210)
+  store { ptr, i64, i64 } { ptr @.str.6306, i64 17, i64 0 }, ptr %a213
+  store { ptr, i64, i64 } %t211, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  store { ptr, i64, i64 } %t211, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } %t216, ptr %a218
+  store { ptr, i64, i64 } { ptr @.str.6307, i64 1, i64 0 }, ptr %a219
+  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_drop(ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  %t222 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t221)
+  store { ptr, i64, i64 } %t221, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  ret %S.cimport.Mapped %t222
 }
 
 define internal %S.cimport.Number @finch.cimport.parseInt({ ptr, i64, i64 } %p0) {
@@ -78934,17 +95050,20 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca i64, align 16
-  %a45 = alloca i1, align 16
-  %a46 = alloca i64, align 16
-  %a58 = alloca i8, align 16
-  %a59 = alloca i64, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca i64, align 16
+  %a49 = alloca i1, align 16
+  %a50 = alloca i64, align 16
+  %a62 = alloca i8, align 16
+  %a63 = alloca i64, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -78954,258 +95073,258 @@ entry:
   store i64 10, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.6086, i64 2, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.6309, i64 2, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_starts(ptr %a9, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from8602
-logic.from8602:
-  br i1 %t13, label %logic.end8604, label %logic.rhs8603
-logic.rhs8603:
+  br label %logic.from9091
+logic.from9091:
+  br i1 %t13, label %logic.end9093, label %logic.rhs9092
+logic.rhs9092:
   %t14 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.6088, i64 2, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.6311, i64 2, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_starts(ptr %a15, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br label %logic.rend8605
-logic.rend8605:
-  br label %logic.end8604
-logic.end8604:
-  %t20 = phi i1 [ true, %logic.from8602 ], [ %t19, %logic.rend8605 ]
-  br i1 %t20, label %then8606, label %else8607
-then8606:
+  br label %logic.rend9094
+logic.rend9094:
+  br label %logic.end9093
+logic.end9093:
+  %t20 = phi i1 [ true, %logic.from9091 ], [ %t19, %logic.rend9094 ]
+  br i1 %t20, label %then9095, label %else9096
+then9095:
   store i64 16, ptr %a7
   %t21 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t21, ptr %a22
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
   %t25 = load i64, ptr %t24
-  call void @finch_str_sub(ptr %a23, ptr %a22, i64 2, i64 %t25, ptr @.str.6089, i64 327)
+  call void @finch_str_sub(ptr %a23, ptr %a22, i64 2, i64 %t25, ptr @.str.6312, i64 331)
   %t26 = load { ptr, i64, i64 }, ptr %a23
+  %t27 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t26, ptr %a6
-  br label %endif8608
-else8607:
-  %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t28 = load i64, ptr %t27
-  %t29 = icmp sgt i64 %t28, 1
-  br label %logic.from8609
-logic.from8609:
-  br i1 %t29, label %logic.rhs8610, label %logic.end8611
-logic.rhs8610:
-  %t30 = load { ptr, i64, i64 }, ptr %a6
-  %t31 = extractvalue { ptr, i64, i64 } %t30, 1
-  %t32 = icmp uge i64 0, %t31
-  br i1 %t32, label %range8612, label %inrange8613
-range8612:
-  call void @finch_panic_index(ptr @.str.6090, i64 328, i64 0, i64 %t31)
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  br label %endif9097
+else9096:
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = icmp sgt i64 %t30, 1
+  br label %logic.from9098
+logic.from9098:
+  br i1 %t31, label %logic.rhs9099, label %logic.end9100
+logic.rhs9099:
+  %t32 = load { ptr, i64, i64 }, ptr %a6
+  %t33 = extractvalue { ptr, i64, i64 } %t32, 1
+  %t34 = icmp uge i64 0, %t33
+  br i1 %t34, label %range9101, label %inrange9102
+range9101:
+  call void @finch_panic_index(ptr @.str.6313, i64 332, i64 0, i64 %t33)
   unreachable
-inrange8613:
-  %t33 = extractvalue { ptr, i64, i64 } %t30, 0
-  %t34 = getelementptr inbounds i8, ptr %t33, i64 0
-  %t35 = load i8, ptr %t34
-  %t36 = icmp eq i8 %t35, 48
-  br label %logic.rend8614
-logic.rend8614:
-  br label %logic.end8611
-logic.end8611:
-  %t37 = phi i1 [ false, %logic.from8609 ], [ %t36, %logic.rend8614 ]
-  br i1 %t37, label %then8615, label %endif8617
-then8615:
+inrange9102:
+  %t35 = extractvalue { ptr, i64, i64 } %t32, 0
+  %t36 = getelementptr inbounds i8, ptr %t35, i64 0
+  %t37 = load i8, ptr %t36
+  %t38 = icmp eq i8 %t37, 48
+  br label %logic.rend9103
+logic.rend9103:
+  br label %logic.end9100
+logic.end9100:
+  %t39 = phi i1 [ false, %logic.from9098 ], [ %t38, %logic.rend9103 ]
+  br i1 %t39, label %then9104, label %endif9106
+then9104:
   store i64 8, ptr %a7
-  %t38 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t38, ptr %a39
-  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t42 = load i64, ptr %t41
-  call void @finch_str_sub(ptr %a40, ptr %a39, i64 1, i64 %t42, ptr @.str.6091, i64 330)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a6
-  br label %endif8617
-endif8617:
-  br label %endif8608
-endif8608:
-  store i64 0, ptr %a44
-  store i1 false, ptr %a45
-  store i64 0, ptr %a46
-  br label %while.cond8618
-while.cond8618:
-  %t47 = load i64, ptr %a46
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t49 = load i64, ptr %t48
-  %t50 = icmp slt i64 %t47, %t49
-  br i1 %t50, label %while.body8619, label %while.end8620
-while.body8619:
-  %t51 = load i64, ptr %a46
-  %t52 = load { ptr, i64, i64 }, ptr %a6
-  %t53 = extractvalue { ptr, i64, i64 } %t52, 1
-  %t54 = icmp uge i64 %t51, %t53
-  br i1 %t54, label %range8621, label %inrange8622
-range8621:
-  call void @finch_panic_index(ptr @.str.6092, i64 336, i64 %t51, i64 %t53)
+  %t40 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t40, ptr %a41
+  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t44 = load i64, ptr %t43
+  call void @finch_str_sub(ptr %a42, ptr %a41, i64 1, i64 %t44, ptr @.str.6314, i64 334)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  %t46 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t45, ptr %a6
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %endif9106
+endif9106:
+  br label %endif9097
+endif9097:
+  store i64 0, ptr %a48
+  store i1 false, ptr %a49
+  store i64 0, ptr %a50
+  br label %while.cond9107
+while.cond9107:
+  %t51 = load i64, ptr %a50
+  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t53 = load i64, ptr %t52
+  %t54 = icmp slt i64 %t51, %t53
+  br i1 %t54, label %while.body9108, label %while.end9109
+while.body9108:
+  %t55 = load i64, ptr %a50
+  %t56 = load { ptr, i64, i64 }, ptr %a6
+  %t57 = extractvalue { ptr, i64, i64 } %t56, 1
+  %t58 = icmp uge i64 %t55, %t57
+  br i1 %t58, label %range9110, label %inrange9111
+range9110:
+  call void @finch_panic_index(ptr @.str.6315, i64 340, i64 %t55, i64 %t57)
   unreachable
-inrange8622:
-  %t55 = extractvalue { ptr, i64, i64 } %t52, 0
-  %t56 = getelementptr inbounds i8, ptr %t55, i64 %t51
-  %t57 = load i8, ptr %t56
-  store i8 %t57, ptr %a58
-  store i64 99, ptr %a59
-  %t60 = load i8, ptr %a58
-  %t61 = icmp uge i8 %t60, 48
-  br label %logic.from8623
-logic.from8623:
-  br i1 %t61, label %logic.rhs8624, label %logic.end8625
-logic.rhs8624:
-  %t62 = load i8, ptr %a58
-  %t63 = icmp ule i8 %t62, 57
-  br label %logic.rend8626
-logic.rend8626:
-  br label %logic.end8625
-logic.end8625:
-  %t64 = phi i1 [ false, %logic.from8623 ], [ %t63, %logic.rend8626 ]
-  br i1 %t64, label %then8627, label %else8628
-then8627:
-  %t65 = load i8, ptr %a58
-  %t66 = zext i8 %t65 to i64
-  %t67 = zext i8 48 to i64
-  %t68 = sub i64 %t66, %t67
-  store i64 %t68, ptr %a59
-  br label %endif8629
-else8628:
-  %t69 = load i8, ptr %a58
-  %t70 = icmp uge i8 %t69, 97
-  br label %logic.from8630
-logic.from8630:
-  br i1 %t70, label %logic.rhs8631, label %logic.end8632
-logic.rhs8631:
-  %t71 = load i8, ptr %a58
-  %t72 = icmp ule i8 %t71, 102
-  br label %logic.rend8633
-logic.rend8633:
-  br label %logic.end8632
-logic.end8632:
-  %t73 = phi i1 [ false, %logic.from8630 ], [ %t72, %logic.rend8633 ]
-  br i1 %t73, label %then8634, label %else8635
-then8634:
-  %t74 = load i8, ptr %a58
-  %t75 = zext i8 %t74 to i64
-  %t76 = zext i8 97 to i64
-  %t77 = sub i64 %t75, %t76
-  %t78 = add i64 %t77, 10
-  store i64 %t78, ptr %a59
-  br label %endif8636
-else8635:
-  %t79 = load i8, ptr %a58
-  %t80 = icmp uge i8 %t79, 65
-  br label %logic.from8637
-logic.from8637:
-  br i1 %t80, label %logic.rhs8638, label %logic.end8639
-logic.rhs8638:
-  %t81 = load i8, ptr %a58
-  %t82 = icmp ule i8 %t81, 70
-  br label %logic.rend8640
-logic.rend8640:
-  br label %logic.end8639
-logic.end8639:
-  %t83 = phi i1 [ false, %logic.from8637 ], [ %t82, %logic.rend8640 ]
-  br i1 %t83, label %then8641, label %endif8643
-then8641:
-  %t84 = load i8, ptr %a58
-  %t85 = zext i8 %t84 to i64
-  %t86 = zext i8 65 to i64
-  %t87 = sub i64 %t85, %t86
-  %t88 = add i64 %t87, 10
-  store i64 %t88, ptr %a59
-  br label %endif8643
-endif8643:
-  br label %endif8636
-endif8636:
-  br label %endif8629
-endif8629:
-  %t89 = load i64, ptr %a59
-  %t90 = load i64, ptr %a7
-  %t91 = icmp sge i64 %t89, %t90
-  br i1 %t91, label %then8644, label %endif8646
-then8644:
-  br label %while.end8620
-endif8646:
-  %t92 = load i64, ptr %a44
-  %t93 = load i64, ptr %a7
-  %t94 = mul i64 %t92, %t93
-  %t95 = load i64, ptr %a59
-  %t96 = add i64 %t94, %t95
-  store i64 %t96, ptr %a44
-  store i1 true, ptr %a45
-  %t97 = load i64, ptr %a46
-  %t98 = add i64 %t97, 1
-  store i64 %t98, ptr %a46
-  br label %while.cond8618
-while.end8620:
-  br label %while.cond8647
-while.cond8647:
-  %t99 = load i64, ptr %a46
-  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t101 = load i64, ptr %t100
-  %t102 = icmp slt i64 %t99, %t101
-  br i1 %t102, label %while.body8648, label %while.end8649
-while.body8648:
-  store { ptr, i64, i64 } { ptr @.str.6093, i64 4, i64 0 }, ptr %a103
-  %t105 = load i64, ptr %a46
-  %t106 = load { ptr, i64, i64 }, ptr %a6
-  %t107 = extractvalue { ptr, i64, i64 } %t106, 1
-  %t108 = icmp uge i64 %t105, %t107
-  br i1 %t108, label %range8650, label %inrange8651
-range8650:
-  call void @finch_panic_index(ptr @.str.6095, i64 354, i64 %t105, i64 %t107)
+inrange9111:
+  %t59 = extractvalue { ptr, i64, i64 } %t56, 0
+  %t60 = getelementptr inbounds i8, ptr %t59, i64 %t55
+  %t61 = load i8, ptr %t60
+  store i8 %t61, ptr %a62
+  store i64 99, ptr %a63
+  %t64 = load i8, ptr %a62
+  %t65 = icmp uge i8 %t64, 48
+  br label %logic.from9112
+logic.from9112:
+  br i1 %t65, label %logic.rhs9113, label %logic.end9114
+logic.rhs9113:
+  %t66 = load i8, ptr %a62
+  %t67 = icmp ule i8 %t66, 57
+  br label %logic.rend9115
+logic.rend9115:
+  br label %logic.end9114
+logic.end9114:
+  %t68 = phi i1 [ false, %logic.from9112 ], [ %t67, %logic.rend9115 ]
+  br i1 %t68, label %then9116, label %else9117
+then9116:
+  %t69 = load i8, ptr %a62
+  %t70 = zext i8 %t69 to i64
+  %t71 = zext i8 48 to i64
+  %t72 = sub i64 %t70, %t71
+  store i64 %t72, ptr %a63
+  br label %endif9118
+else9117:
+  %t73 = load i8, ptr %a62
+  %t74 = icmp uge i8 %t73, 97
+  br label %logic.from9119
+logic.from9119:
+  br i1 %t74, label %logic.rhs9120, label %logic.end9121
+logic.rhs9120:
+  %t75 = load i8, ptr %a62
+  %t76 = icmp ule i8 %t75, 102
+  br label %logic.rend9122
+logic.rend9122:
+  br label %logic.end9121
+logic.end9121:
+  %t77 = phi i1 [ false, %logic.from9119 ], [ %t76, %logic.rend9122 ]
+  br i1 %t77, label %then9123, label %else9124
+then9123:
+  %t78 = load i8, ptr %a62
+  %t79 = zext i8 %t78 to i64
+  %t80 = zext i8 97 to i64
+  %t81 = sub i64 %t79, %t80
+  %t82 = add i64 %t81, 10
+  store i64 %t82, ptr %a63
+  br label %endif9125
+else9124:
+  %t83 = load i8, ptr %a62
+  %t84 = icmp uge i8 %t83, 65
+  br label %logic.from9126
+logic.from9126:
+  br i1 %t84, label %logic.rhs9127, label %logic.end9128
+logic.rhs9127:
+  %t85 = load i8, ptr %a62
+  %t86 = icmp ule i8 %t85, 70
+  br label %logic.rend9129
+logic.rend9129:
+  br label %logic.end9128
+logic.end9128:
+  %t87 = phi i1 [ false, %logic.from9126 ], [ %t86, %logic.rend9129 ]
+  br i1 %t87, label %then9130, label %endif9132
+then9130:
+  %t88 = load i8, ptr %a62
+  %t89 = zext i8 %t88 to i64
+  %t90 = zext i8 65 to i64
+  %t91 = sub i64 %t89, %t90
+  %t92 = add i64 %t91, 10
+  store i64 %t92, ptr %a63
+  br label %endif9132
+endif9132:
+  br label %endif9125
+endif9125:
+  br label %endif9118
+endif9118:
+  %t93 = load i64, ptr %a63
+  %t94 = load i64, ptr %a7
+  %t95 = icmp sge i64 %t93, %t94
+  br i1 %t95, label %then9133, label %endif9135
+then9133:
+  br label %while.end9109
+endif9135:
+  %t96 = load i64, ptr %a48
+  %t97 = load i64, ptr %a7
+  %t98 = mul i64 %t96, %t97
+  %t99 = load i64, ptr %a63
+  %t100 = add i64 %t98, %t99
+  store i64 %t100, ptr %a48
+  store i1 true, ptr %a49
+  %t101 = load i64, ptr %a50
+  %t102 = add i64 %t101, 1
+  store i64 %t102, ptr %a50
+  br label %while.cond9107
+while.end9109:
+  br label %while.cond9136
+while.cond9136:
+  %t103 = load i64, ptr %a50
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t105 = load i64, ptr %t104
+  %t106 = icmp slt i64 %t103, %t105
+  br i1 %t106, label %while.body9137, label %while.end9138
+while.body9137:
+  store { ptr, i64, i64 } { ptr @.str.6316, i64 4, i64 0 }, ptr %a107
+  %t109 = load i64, ptr %a50
+  %t110 = load { ptr, i64, i64 }, ptr %a6
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 %t109, %t111
+  br i1 %t112, label %range9139, label %inrange9140
+range9139:
+  call void @finch_panic_index(ptr @.str.6318, i64 358, i64 %t109, i64 %t111)
   unreachable
-inrange8651:
-  %t109 = extractvalue { ptr, i64, i64 } %t106, 0
-  %t110 = getelementptr inbounds i8, ptr %t109, i64 %t105
-  %t111 = load i8, ptr %t110
-  call void @finch_str_from_char(ptr %a112, i8 signext %t111)
-  %t113 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t113, ptr %a114
-  %t115 = call i64 @finch_str_find(ptr %a103, ptr %a114)
-  %t116 = icmp sge i64 %t115, 0
-  %t117 = xor i1 %t116, true
-  br i1 %t117, label %then8652, label %endif8654
-then8652:
+inrange9140:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds i8, ptr %t113, i64 %t109
+  %t115 = load i8, ptr %t114
+  call void @finch_str_from_char(ptr %a116, i8 signext %t115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t117, ptr %a118
+  %t119 = call i64 @finch_str_find(ptr %a107, ptr %a118)
+  %t120 = icmp sge i64 %t119, 0
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = xor i1 %t120, true
+  br i1 %t122, label %then9141, label %endif9143
+then9141:
+  call void @finch_str_drop(ptr %a6)
   ret %S.cimport.Number zeroinitializer
-endif8654:
-  %t118 = load i64, ptr %a46
-  %t119 = add i64 %t118, 1
-  store i64 %t119, ptr %a46
-  br label %while.cond8647
-while.end8649:
-  %t120 = load i1, ptr %a45
-  %t121 = xor i1 %t120, true
-  br label %logic.from8655
-logic.from8655:
-  br i1 %t121, label %logic.rhs8656, label %logic.end8657
-logic.rhs8656:
-  %t122 = load i64, ptr %a7
-  %t123 = icmp ne i64 %t122, 8
-  br label %logic.rend8658
-logic.rend8658:
-  br label %logic.end8657
-logic.end8657:
-  %t124 = phi i1 [ false, %logic.from8655 ], [ %t123, %logic.rend8658 ]
-  br i1 %t124, label %then8659, label %endif8661
-then8659:
+endif9143:
+  %t123 = load i64, ptr %a50
+  %t124 = add i64 %t123, 1
+  store i64 %t124, ptr %a50
+  br label %while.cond9136
+while.end9138:
+  %t125 = load i1, ptr %a49
+  %t126 = xor i1 %t125, true
+  br label %logic.from9144
+logic.from9144:
+  br i1 %t126, label %logic.rhs9145, label %logic.end9146
+logic.rhs9145:
+  %t127 = load i64, ptr %a7
+  %t128 = icmp ne i64 %t127, 8
+  br label %logic.rend9147
+logic.rend9147:
+  br label %logic.end9146
+logic.end9146:
+  %t129 = phi i1 [ false, %logic.from9144 ], [ %t128, %logic.rend9147 ]
+  br i1 %t129, label %then9148, label %endif9150
+then9148:
+  call void @finch_str_drop(ptr %a6)
   ret %S.cimport.Number zeroinitializer
-endif8661:
-  %t125 = load i64, ptr %a44
-  %t126 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t125, 1
-  %t127 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t126, 0
-  %t128 = insertvalue %S.cimport.Number %t127, i1 true, 1
-  ret %S.cimport.Number %t128
-}
-
-define internal void @finch.copy.S_cimport_Number(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.cimport.Number, ptr %src
-  store %S.cimport.Number %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.cimport.Number, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.cimport.Number, ptr %src, i32 0, i32 0
-  call void @finch.copy.S_cimport_CConst(ptr %t2, ptr %t3)
-  ret void
+endif9150:
+  %t130 = load i64, ptr %a48
+  %t131 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t130, 1
+  %t132 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t131, 0
+  %t133 = insertvalue %S.cimport.Number %t132, i1 true, 1
+  call void @finch_str_drop(ptr %a6)
+  ret %S.cimport.Number %t133
 }
 
 define internal %S.cimport.Number @finch.cimport.macroValue(ptr %p0, %S.C.CXCursor %p1) {
@@ -79226,55 +95345,58 @@ entry:
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca i1, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca i1, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca i1, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca i1, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca double, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca double, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca %S.cimport.Number, align 16
-  %a255 = alloca %S.cimport.Number, align 16
-  %a256 = alloca %S.cimport.Number, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca double, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca double, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca %S.cimport.Number, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXCursor %p1, ptr %a2
   store ptr null, ptr %a3
   store i32 0, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic8662, label %ok8663
-panic8662:
-  call void @finch_panic(ptr @.str.6096, i64 369, ptr @.str.6097)
+  br i1 %t6, label %panic9151, label %ok9152
+panic9151:
+  call void @finch_panic(ptr @.str.6319, i64 373, ptr @.str.6320)
   unreachable
-ok8663:
+ok9152:
   %t7 = getelementptr inbounds %S.cimport.Importer, ptr %t5, i32 0, i32 1
   %t8 = load ptr, ptr %t7
   %t10 = load %S.C.CXCursor, ptr %a2
@@ -79287,12 +95409,12 @@ ok8663:
   %t15 = load i32, ptr %a4
   %t16 = zext i32 %t15 to i64
   store i64 1, ptr %a17
-  br label %for.cond8664
-for.cond8664:
+  br label %for.cond9153
+for.cond9153:
   %t18 = load i64, ptr %a17
   %t19 = icmp slt i64 %t18, %t16
-  br i1 %t19, label %for.body8665, label %for.end8667
-for.body8665:
+  br i1 %t19, label %for.body9154, label %for.end9156
+for.body9154:
   %t20 = load i64, ptr %a17
   %t21 = load ptr, ptr %a3
   %t22 = getelementptr inbounds %S.C.CXToken, ptr %t21, i64 %t20
@@ -79300,18 +95422,18 @@ for.body8665:
   store %S.C.CXToken %t23, ptr %a24
   %t25 = call i32 @clang_getTokenKind(ptr %a24)
   %t26 = icmp eq i32 %t25, 4
-  br i1 %t26, label %then8668, label %endif8670
-then8668:
-  br label %for.step8666
-endif8670:
+  br i1 %t26, label %then9157, label %endif9159
+then9157:
+  br label %for.step9155
+endif9159:
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic8671, label %ok8672
-panic8671:
-  call void @finch_panic(ptr @.str.6098, i64 375, ptr @.str.6099)
+  br i1 %t29, label %panic9160, label %ok9161
+panic9160:
+  call void @finch_panic(ptr @.str.6321, i64 379, ptr @.str.6322)
   unreachable
-ok8672:
+ok9161:
   %t30 = getelementptr inbounds %S.cimport.Importer, ptr %t28, i32 0, i32 1
   %t31 = load ptr, ptr %t30
   %t32 = load i64, ptr %a17
@@ -79330,416 +95452,436 @@ ok8672:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
   store { ptr, i64, i64 } %t40, ptr %t44
   store i64 %t42, ptr %t27
-  br label %for.step8666
-for.step8666:
+  br label %for.step9155
+for.step9155:
   %t45 = load i64, ptr %a17
   %t46 = add i64 %t45, 1
   store i64 %t46, ptr %a17
-  br label %for.cond8664
-for.end8667:
+  br label %for.cond9153
+for.end9156:
   %t47 = load ptr, ptr %a1
   %t48 = icmp eq ptr %t47, null
-  br i1 %t48, label %panic8673, label %ok8674
-panic8673:
-  call void @finch_panic(ptr @.str.6100, i64 377, ptr @.str.6101)
+  br i1 %t48, label %panic9162, label %ok9163
+panic9162:
+  call void @finch_panic(ptr @.str.6323, i64 381, ptr @.str.6324)
   unreachable
-ok8674:
+ok9163:
   %t49 = getelementptr inbounds %S.cimport.Importer, ptr %t47, i32 0, i32 1
   %t50 = load ptr, ptr %t49
   %t51 = load ptr, ptr %a3
   %t52 = load i32, ptr %a4
   call void @clang_disposeTokens(ptr %t50, ptr %t51, i32 %t52)
-  br label %while.cond8675
-while.cond8675:
+  br label %while.cond9164
+while.cond9164:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t54 = load i64, ptr %t53
   %t55 = icmp sge i64 %t54, 2
-  br label %logic.from8678
-logic.from8678:
-  br i1 %t55, label %logic.rhs8679, label %logic.end8680
-logic.rhs8679:
+  br label %logic.from9167
+logic.from9167:
+  br i1 %t55, label %logic.rhs9168, label %logic.end9169
+logic.rhs9168:
   %t56 = load { ptr, i64, i64 }, ptr %a14
   %t57 = extractvalue { ptr, i64, i64 } %t56, 1
   %t58 = icmp uge i64 0, %t57
-  br i1 %t58, label %range8681, label %inrange8682
-range8681:
-  call void @finch_panic_index(ptr @.str.6102, i64 379, i64 0, i64 %t57)
+  br i1 %t58, label %range9170, label %inrange9171
+range9170:
+  call void @finch_panic_index(ptr @.str.6325, i64 383, i64 0, i64 %t57)
   unreachable
-inrange8682:
+inrange9171:
   %t59 = extractvalue { ptr, i64, i64 } %t56, 0
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i64 0
   %t61 = load { ptr, i64, i64 }, ptr %t60
   store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.6103, i64 1, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.6326, i64 1, i64 0 }, ptr %a63
   %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
   %t65 = icmp ne i32 %t64, 0
-  br label %logic.rend8683
-logic.rend8683:
-  br label %logic.end8680
-logic.end8680:
-  %t66 = phi i1 [ false, %logic.from8678 ], [ %t65, %logic.rend8683 ]
-  br label %logic.from8684
-logic.from8684:
-  br i1 %t66, label %logic.rhs8685, label %logic.end8686
-logic.rhs8685:
+  br label %logic.rend9172
+logic.rend9172:
+  br label %logic.end9169
+logic.end9169:
+  %t66 = phi i1 [ false, %logic.from9167 ], [ %t65, %logic.rend9172 ]
+  br label %logic.from9173
+logic.from9173:
+  br i1 %t66, label %logic.rhs9174, label %logic.end9175
+logic.rhs9174:
   %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t68 = load i64, ptr %t67
   %t69 = sub i64 %t68, 1
   %t70 = load { ptr, i64, i64 }, ptr %a14
   %t71 = extractvalue { ptr, i64, i64 } %t70, 1
   %t72 = icmp uge i64 %t69, %t71
-  br i1 %t72, label %range8687, label %inrange8688
-range8687:
-  call void @finch_panic_index(ptr @.str.6104, i64 379, i64 %t69, i64 %t71)
+  br i1 %t72, label %range9176, label %inrange9177
+range9176:
+  call void @finch_panic_index(ptr @.str.6327, i64 383, i64 %t69, i64 %t71)
   unreachable
-inrange8688:
+inrange9177:
   %t73 = extractvalue { ptr, i64, i64 } %t70, 0
   %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i64 %t69
   %t75 = load { ptr, i64, i64 }, ptr %t74
   store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.6105, i64 1, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.6328, i64 1, i64 0 }, ptr %a77
   %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
   %t79 = icmp ne i32 %t78, 0
-  br label %logic.rend8689
-logic.rend8689:
-  br label %logic.end8686
-logic.end8686:
-  %t80 = phi i1 [ false, %logic.from8684 ], [ %t79, %logic.rend8689 ]
-  br i1 %t80, label %while.body8676, label %while.end8677
-while.body8676:
+  br label %logic.rend9178
+logic.rend9178:
+  br label %logic.end9175
+logic.end9175:
+  %t80 = phi i1 [ false, %logic.from9173 ], [ %t79, %logic.rend9178 ]
+  br i1 %t80, label %while.body9165, label %while.end9166
+while.body9165:
   %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t82 = load i64, ptr %t81
   %t83 = icmp uge i64 0, %t82
-  br i1 %t83, label %range8690, label %inrange8691
-range8690:
-  call void @finch_panic_index(ptr @.str.6106, i64 380, i64 0, i64 %t82)
+  br i1 %t83, label %range9179, label %inrange9180
+range9179:
+  call void @finch_panic_index(ptr @.str.6329, i64 384, i64 0, i64 %t82)
   unreachable
-inrange8691:
+inrange9180:
   %t84 = load ptr, ptr %a14
   %t85 = getelementptr inbounds { ptr, i64, i64 }, ptr %t84, i64 0
   %t86 = load { ptr, i64, i64 }, ptr %t85
   call void @finch_arr_remove_gap(ptr %a14, i64 0, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t88 = load i64, ptr %t87
-  %t89 = icmp eq i64 %t88, 0
-  br i1 %t89, label %panic8692, label %ok8693
-panic8692:
-  call void @finch_panic(ptr @.str.6107, i64 381, ptr @.str.6108)
+  store { ptr, i64, i64 } %t86, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t89 = load i64, ptr %t88
+  %t90 = icmp eq i64 %t89, 0
+  br i1 %t90, label %panic9181, label %ok9182
+panic9181:
+  call void @finch_panic(ptr @.str.6330, i64 385, ptr @.str.6331)
   unreachable
-ok8693:
-  %t90 = sub i64 %t88, 1
-  %t91 = load ptr, ptr %a14
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 %t90
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store i64 %t90, ptr %t87
-  br label %while.cond8675
-while.end8677:
-  store i1 false, ptr %a94
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  %t97 = icmp eq i64 %t96, 2
-  br label %logic.from8694
-logic.from8694:
-  br i1 %t97, label %logic.rhs8695, label %logic.end8696
-logic.rhs8695:
-  %t98 = load { ptr, i64, i64 }, ptr %a14
-  %t99 = extractvalue { ptr, i64, i64 } %t98, 1
-  %t100 = icmp uge i64 0, %t99
-  br i1 %t100, label %range8697, label %inrange8698
-range8697:
-  call void @finch_panic_index(ptr @.str.6109, i64 384, i64 0, i64 %t99)
+ok9182:
+  %t91 = sub i64 %t89, 1
+  %t92 = load ptr, ptr %a14
+  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t92, i64 %t91
+  %t94 = load { ptr, i64, i64 }, ptr %t93
+  store i64 %t91, ptr %t88
+  store { ptr, i64, i64 } %t94, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  br label %while.cond9164
+while.end9166:
+  store i1 false, ptr %a96
+  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t98 = load i64, ptr %t97
+  %t99 = icmp eq i64 %t98, 2
+  br label %logic.from9183
+logic.from9183:
+  br i1 %t99, label %logic.rhs9184, label %logic.end9185
+logic.rhs9184:
+  %t100 = load { ptr, i64, i64 }, ptr %a14
+  %t101 = extractvalue { ptr, i64, i64 } %t100, 1
+  %t102 = icmp uge i64 0, %t101
+  br i1 %t102, label %range9186, label %inrange9187
+range9186:
+  call void @finch_panic_index(ptr @.str.6332, i64 388, i64 0, i64 %t101)
   unreachable
-inrange8698:
-  %t101 = extractvalue { ptr, i64, i64 } %t98, 0
-  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t101, i64 0
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  store { ptr, i64, i64 } %t103, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.6110, i64 1, i64 0 }, ptr %a105
-  %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
-  %t107 = icmp ne i32 %t106, 0
-  br label %logic.rend8699
-logic.rend8699:
-  br label %logic.end8696
-logic.end8696:
-  %t108 = phi i1 [ false, %logic.from8694 ], [ %t107, %logic.rend8699 ]
-  br i1 %t108, label %then8700, label %endif8702
-then8700:
-  store i1 true, ptr %a94
-  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t110 = load i64, ptr %t109
-  %t111 = icmp uge i64 0, %t110
-  br i1 %t111, label %range8703, label %inrange8704
-range8703:
-  call void @finch_panic_index(ptr @.str.6111, i64 386, i64 0, i64 %t110)
+inrange9187:
+  %t103 = extractvalue { ptr, i64, i64 } %t100, 0
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 0
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  store { ptr, i64, i64 } %t105, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.6333, i64 1, i64 0 }, ptr %a107
+  %t108 = call i32 @finch_str_eq(ptr %a106, ptr %a107)
+  %t109 = icmp ne i32 %t108, 0
+  br label %logic.rend9188
+logic.rend9188:
+  br label %logic.end9185
+logic.end9185:
+  %t110 = phi i1 [ false, %logic.from9183 ], [ %t109, %logic.rend9188 ]
+  br i1 %t110, label %then9189, label %endif9191
+then9189:
+  store i1 true, ptr %a96
+  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t112 = load i64, ptr %t111
+  %t113 = icmp uge i64 0, %t112
+  br i1 %t113, label %range9192, label %inrange9193
+range9192:
+  call void @finch_panic_index(ptr @.str.6334, i64 390, i64 0, i64 %t112)
   unreachable
-inrange8704:
-  %t112 = load ptr, ptr %a14
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 0
-  %t114 = load { ptr, i64, i64 }, ptr %t113
+inrange9193:
+  %t114 = load ptr, ptr %a14
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i64 0
+  %t116 = load { ptr, i64, i64 }, ptr %t115
   call void @finch_arr_remove_gap(ptr %a14, i64 0, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  br label %endif8702
-endif8702:
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t116 = load i64, ptr %t115
-  %t117 = icmp ne i64 %t116, 1
-  br i1 %t117, label %then8705, label %endif8707
-then8705:
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  br label %endif9191
+endif9191:
+  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t119 = load i64, ptr %t118
+  %t120 = icmp ne i64 %t119, 1
+  br i1 %t120, label %then9194, label %endif9196
+then9194:
+  call void @finch.drop.arr_str(ptr %a14)
   ret %S.cimport.Number zeroinitializer
-endif8707:
-  %t118 = load { ptr, i64, i64 }, ptr %a14
-  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
-  %t120 = icmp uge i64 0, %t119
-  br i1 %t120, label %range8708, label %inrange8709
-range8708:
-  call void @finch_panic_index(ptr @.str.6112, i64 391, i64 0, i64 %t119)
+endif9196:
+  %t121 = load { ptr, i64, i64 }, ptr %a14
+  %t122 = extractvalue { ptr, i64, i64 } %t121, 1
+  %t123 = icmp uge i64 0, %t122
+  br i1 %t123, label %range9197, label %inrange9198
+range9197:
+  call void @finch_panic_index(ptr @.str.6335, i64 395, i64 0, i64 %t122)
   unreachable
-inrange8709:
-  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
-  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %t121, i64 0
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  store { ptr, i64, i64 } %t123, ptr %a124
-  call void @finch_str_copy(ptr %a125, ptr %a124)
-  %t126 = load { ptr, i64, i64 }, ptr %a125
+inrange9198:
+  %t124 = extractvalue { ptr, i64, i64 } %t121, 0
+  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i64 0
+  %t126 = load { ptr, i64, i64 }, ptr %t125
   store { ptr, i64, i64 } %t126, ptr %a127
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %a127, i32 0, i32 1
-  %t129 = load i64, ptr %t128
-  %t130 = icmp eq i64 %t129, 0
-  br label %logic.from8710
-logic.from8710:
-  br i1 %t130, label %logic.end8712, label %logic.rhs8711
-logic.rhs8711:
-  %t131 = load { ptr, i64, i64 }, ptr %a127
-  %t132 = extractvalue { ptr, i64, i64 } %t131, 1
-  %t133 = icmp uge i64 0, %t132
-  br i1 %t133, label %range8713, label %inrange8714
-range8713:
-  call void @finch_panic_index(ptr @.str.6113, i64 392, i64 0, i64 %t132)
+  call void @finch_str_copy(ptr %a128, ptr %a127)
+  %t129 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %a130, i32 0, i32 1
+  %t132 = load i64, ptr %t131
+  %t133 = icmp eq i64 %t132, 0
+  br label %logic.from9199
+logic.from9199:
+  br i1 %t133, label %logic.end9201, label %logic.rhs9200
+logic.rhs9200:
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  %t135 = extractvalue { ptr, i64, i64 } %t134, 1
+  %t136 = icmp uge i64 0, %t135
+  br i1 %t136, label %range9202, label %inrange9203
+range9202:
+  call void @finch_panic_index(ptr @.str.6336, i64 396, i64 0, i64 %t135)
   unreachable
-inrange8714:
-  %t134 = extractvalue { ptr, i64, i64 } %t131, 0
-  %t135 = getelementptr inbounds i8, ptr %t134, i64 0
-  %t136 = load i8, ptr %t135
-  %t137 = icmp uge i8 %t136, 48
-  br label %logic.from8715
-logic.from8715:
-  br i1 %t137, label %logic.rhs8716, label %logic.end8717
-logic.rhs8716:
-  %t138 = load { ptr, i64, i64 }, ptr %a127
-  %t139 = extractvalue { ptr, i64, i64 } %t138, 1
-  %t140 = icmp uge i64 0, %t139
-  br i1 %t140, label %range8718, label %inrange8719
-range8718:
-  call void @finch_panic_index(ptr @.str.6114, i64 392, i64 0, i64 %t139)
+inrange9203:
+  %t137 = extractvalue { ptr, i64, i64 } %t134, 0
+  %t138 = getelementptr inbounds i8, ptr %t137, i64 0
+  %t139 = load i8, ptr %t138
+  %t140 = icmp uge i8 %t139, 48
+  br label %logic.from9204
+logic.from9204:
+  br i1 %t140, label %logic.rhs9205, label %logic.end9206
+logic.rhs9205:
+  %t141 = load { ptr, i64, i64 }, ptr %a130
+  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
+  %t143 = icmp uge i64 0, %t142
+  br i1 %t143, label %range9207, label %inrange9208
+range9207:
+  call void @finch_panic_index(ptr @.str.6337, i64 396, i64 0, i64 %t142)
   unreachable
-inrange8719:
-  %t141 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t142 = getelementptr inbounds i8, ptr %t141, i64 0
-  %t143 = load i8, ptr %t142
-  %t144 = icmp ule i8 %t143, 57
-  br label %logic.rend8720
-logic.rend8720:
-  br label %logic.end8717
-logic.end8717:
-  %t145 = phi i1 [ false, %logic.from8715 ], [ %t144, %logic.rend8720 ]
-  br label %logic.from8721
-logic.from8721:
-  br i1 %t145, label %logic.end8723, label %logic.rhs8722
-logic.rhs8722:
-  %t146 = load { ptr, i64, i64 }, ptr %a127
-  %t147 = extractvalue { ptr, i64, i64 } %t146, 1
-  %t148 = icmp uge i64 0, %t147
-  br i1 %t148, label %range8724, label %inrange8725
-range8724:
-  call void @finch_panic_index(ptr @.str.6115, i64 392, i64 0, i64 %t147)
+inrange9208:
+  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
+  %t145 = getelementptr inbounds i8, ptr %t144, i64 0
+  %t146 = load i8, ptr %t145
+  %t147 = icmp ule i8 %t146, 57
+  br label %logic.rend9209
+logic.rend9209:
+  br label %logic.end9206
+logic.end9206:
+  %t148 = phi i1 [ false, %logic.from9204 ], [ %t147, %logic.rend9209 ]
+  br label %logic.from9210
+logic.from9210:
+  br i1 %t148, label %logic.end9212, label %logic.rhs9211
+logic.rhs9211:
+  %t149 = load { ptr, i64, i64 }, ptr %a130
+  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
+  %t151 = icmp uge i64 0, %t150
+  br i1 %t151, label %range9213, label %inrange9214
+range9213:
+  call void @finch_panic_index(ptr @.str.6338, i64 396, i64 0, i64 %t150)
   unreachable
-inrange8725:
-  %t149 = extractvalue { ptr, i64, i64 } %t146, 0
-  %t150 = getelementptr inbounds i8, ptr %t149, i64 0
-  %t151 = load i8, ptr %t150
-  %t152 = icmp eq i8 %t151, 46
-  br label %logic.rend8726
-logic.rend8726:
-  br label %logic.end8723
-logic.end8723:
-  %t153 = phi i1 [ true, %logic.from8721 ], [ %t152, %logic.rend8726 ]
-  %t154 = xor i1 %t153, true
-  br label %logic.rend8727
-logic.rend8727:
-  br label %logic.end8712
-logic.end8712:
-  %t155 = phi i1 [ true, %logic.from8710 ], [ %t154, %logic.rend8727 ]
-  br i1 %t155, label %then8728, label %endif8730
-then8728:
+inrange9214:
+  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
+  %t153 = getelementptr inbounds i8, ptr %t152, i64 0
+  %t154 = load i8, ptr %t153
+  %t155 = icmp eq i8 %t154, 46
+  br label %logic.rend9215
+logic.rend9215:
+  br label %logic.end9212
+logic.end9212:
+  %t156 = phi i1 [ true, %logic.from9210 ], [ %t155, %logic.rend9215 ]
+  %t157 = xor i1 %t156, true
+  br label %logic.rend9216
+logic.rend9216:
+  br label %logic.end9201
+logic.end9201:
+  %t158 = phi i1 [ true, %logic.from9199 ], [ %t157, %logic.rend9216 ]
+  br i1 %t158, label %then9217, label %endif9219
+then9217:
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
   ret %S.cimport.Number zeroinitializer
-endif8730:
-  %t156 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t156, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.6117, i64 1, i64 0 }, ptr %a159
-  %t160 = call i64 @finch_str_find(ptr %a157, ptr %a159)
-  %t161 = icmp sge i64 %t160, 0
-  br label %logic.from8731
-logic.from8731:
-  br i1 %t161, label %logic.end8733, label %logic.rhs8732
-logic.rhs8732:
-  %t162 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t162, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.6119, i64 1, i64 0 }, ptr %a165
-  %t166 = call i64 @finch_str_find(ptr %a163, ptr %a165)
-  %t167 = icmp sge i64 %t166, 0
-  br label %logic.rend8734
-logic.rend8734:
-  br label %logic.end8733
-logic.end8733:
-  %t168 = phi i1 [ true, %logic.from8731 ], [ %t167, %logic.rend8734 ]
-  br label %logic.from8735
-logic.from8735:
-  br i1 %t168, label %logic.end8737, label %logic.rhs8736
-logic.rhs8736:
-  %t169 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t169, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.6121, i64 1, i64 0 }, ptr %a172
-  %t173 = call i64 @finch_str_find(ptr %a170, ptr %a172)
-  %t174 = icmp sge i64 %t173, 0
-  br label %logic.rend8738
-logic.rend8738:
-  br label %logic.end8737
-logic.end8737:
-  %t175 = phi i1 [ true, %logic.from8735 ], [ %t174, %logic.rend8738 ]
-  br label %logic.from8739
-logic.from8739:
-  br i1 %t175, label %logic.rhs8740, label %logic.end8741
-logic.rhs8740:
-  %t176 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t176, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.6123, i64 2, i64 0 }, ptr %a179
-  %t180 = call i32 @finch_str_starts(ptr %a177, ptr %a179)
-  %t181 = icmp ne i32 %t180, 0
-  %t182 = xor i1 %t181, true
-  br label %logic.rend8742
-logic.rend8742:
-  br label %logic.end8741
-logic.end8741:
-  %t183 = phi i1 [ false, %logic.from8739 ], [ %t182, %logic.rend8742 ]
-  store i1 %t183, ptr %a184
-  %t185 = load i1, ptr %a184
-  br i1 %t185, label %then8743, label %endif8745
-then8743:
-  %t186 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t186, ptr %a187
-  call void @finch_str_copy(ptr %a188, ptr %a187)
-  %t189 = load { ptr, i64, i64 }, ptr %a188
+endif9219:
+  %t159 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t159, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.6340, i64 1, i64 0 }, ptr %a162
+  %t163 = call i64 @finch_str_find(ptr %a160, ptr %a162)
+  %t164 = icmp sge i64 %t163, 0
+  br label %logic.from9220
+logic.from9220:
+  br i1 %t164, label %logic.end9222, label %logic.rhs9221
+logic.rhs9221:
+  %t165 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t165, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.6342, i64 1, i64 0 }, ptr %a168
+  %t169 = call i64 @finch_str_find(ptr %a166, ptr %a168)
+  %t170 = icmp sge i64 %t169, 0
+  br label %logic.rend9223
+logic.rend9223:
+  br label %logic.end9222
+logic.end9222:
+  %t171 = phi i1 [ true, %logic.from9220 ], [ %t170, %logic.rend9223 ]
+  br label %logic.from9224
+logic.from9224:
+  br i1 %t171, label %logic.end9226, label %logic.rhs9225
+logic.rhs9225:
+  %t172 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t172, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.6344, i64 1, i64 0 }, ptr %a175
+  %t176 = call i64 @finch_str_find(ptr %a173, ptr %a175)
+  %t177 = icmp sge i64 %t176, 0
+  br label %logic.rend9227
+logic.rend9227:
+  br label %logic.end9226
+logic.end9226:
+  %t178 = phi i1 [ true, %logic.from9224 ], [ %t177, %logic.rend9227 ]
+  br label %logic.from9228
+logic.from9228:
+  br i1 %t178, label %logic.rhs9229, label %logic.end9230
+logic.rhs9229:
+  %t179 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t179, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.6346, i64 2, i64 0 }, ptr %a182
+  %t183 = call i32 @finch_str_starts(ptr %a180, ptr %a182)
+  %t184 = icmp ne i32 %t183, 0
+  %t185 = xor i1 %t184, true
+  br label %logic.rend9231
+logic.rend9231:
+  br label %logic.end9230
+logic.end9230:
+  %t186 = phi i1 [ false, %logic.from9228 ], [ %t185, %logic.rend9231 ]
+  store i1 %t186, ptr %a187
+  %t188 = load i1, ptr %a187
+  br i1 %t188, label %then9232, label %endif9234
+then9232:
+  %t189 = load { ptr, i64, i64 }, ptr %a130
   store { ptr, i64, i64 } %t189, ptr %a190
-  br label %while.cond8746
-while.cond8746:
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
-  %t192 = load i64, ptr %t191
-  %t193 = icmp sgt i64 %t192, 0
-  br label %logic.from8749
-logic.from8749:
-  br i1 %t193, label %logic.rhs8750, label %logic.end8751
-logic.rhs8750:
-  store { ptr, i64, i64 } { ptr @.str.6124, i64 4, i64 0 }, ptr %a194
-  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
-  %t197 = load i64, ptr %t196
-  %t198 = sub i64 %t197, 1
-  %t199 = load { ptr, i64, i64 }, ptr %a190
-  %t200 = extractvalue { ptr, i64, i64 } %t199, 1
-  %t201 = icmp uge i64 %t198, %t200
-  br i1 %t201, label %range8752, label %inrange8753
-range8752:
-  call void @finch_panic_index(ptr @.str.6126, i64 398, i64 %t198, i64 %t200)
+  call void @finch_str_copy(ptr %a191, ptr %a190)
+  %t192 = load { ptr, i64, i64 }, ptr %a191
+  store { ptr, i64, i64 } %t192, ptr %a193
+  br label %while.cond9235
+while.cond9235:
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %a193, i32 0, i32 1
+  %t195 = load i64, ptr %t194
+  %t196 = icmp sgt i64 %t195, 0
+  br label %logic.from9238
+logic.from9238:
+  br i1 %t196, label %logic.rhs9239, label %logic.end9240
+logic.rhs9239:
+  store { ptr, i64, i64 } { ptr @.str.6347, i64 4, i64 0 }, ptr %a197
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %a193, i32 0, i32 1
+  %t200 = load i64, ptr %t199
+  %t201 = sub i64 %t200, 1
+  %t202 = load { ptr, i64, i64 }, ptr %a193
+  %t203 = extractvalue { ptr, i64, i64 } %t202, 1
+  %t204 = icmp uge i64 %t201, %t203
+  br i1 %t204, label %range9241, label %inrange9242
+range9241:
+  call void @finch_panic_index(ptr @.str.6349, i64 402, i64 %t201, i64 %t203)
   unreachable
-inrange8753:
-  %t202 = extractvalue { ptr, i64, i64 } %t199, 0
-  %t203 = getelementptr inbounds i8, ptr %t202, i64 %t198
-  %t204 = load i8, ptr %t203
-  call void @finch_str_from_char(ptr %a205, i8 signext %t204)
-  %t206 = load { ptr, i64, i64 }, ptr %a205
-  store { ptr, i64, i64 } %t206, ptr %a207
-  %t208 = call i64 @finch_str_find(ptr %a194, ptr %a207)
-  %t209 = icmp sge i64 %t208, 0
-  br label %logic.rend8754
-logic.rend8754:
-  br label %logic.end8751
-logic.end8751:
-  %t210 = phi i1 [ false, %logic.from8749 ], [ %t209, %logic.rend8754 ]
-  br i1 %t210, label %while.body8747, label %while.end8748
-while.body8747:
-  %t211 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } %t211, ptr %a212
-  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
-  %t215 = load i64, ptr %t214
-  %t216 = sub i64 %t215, 1
-  call void @finch_str_sub(ptr %a213, ptr %a212, i64 0, i64 %t216, ptr @.str.6127, i64 399)
-  %t217 = load { ptr, i64, i64 }, ptr %a213
-  store { ptr, i64, i64 } %t217, ptr %a190
-  br label %while.cond8746
-while.end8748:
-  %t218 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } zeroinitializer, ptr %a219
-  store double 0.0, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  %t222 = call i32 @finch_str_try_float(ptr %a221, ptr %a220, ptr %a219)
-  %t223 = icmp eq i32 %t222, 0
-  %t224 = load { ptr, i64, i64 }, ptr %a219
-  %t225 = load double, ptr %a220
-  br i1 %t223, label %or.failed8755, label %or.ok8756
-or.failed8755:
-  store { ptr, i64, i64 } %t224, ptr %a226
+inrange9242:
+  %t205 = extractvalue { ptr, i64, i64 } %t202, 0
+  %t206 = getelementptr inbounds i8, ptr %t205, i64 %t201
+  %t207 = load i8, ptr %t206
+  call void @finch_str_from_char(ptr %a208, i8 signext %t207)
+  %t209 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t209, ptr %a210
+  %t211 = call i64 @finch_str_find(ptr %a197, ptr %a210)
+  %t212 = icmp sge i64 %t211, 0
+  store { ptr, i64, i64 } %t209, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %logic.rend9243
+logic.rend9243:
+  br label %logic.end9240
+logic.end9240:
+  %t214 = phi i1 [ false, %logic.from9238 ], [ %t212, %logic.rend9243 ]
+  br i1 %t214, label %while.body9236, label %while.end9237
+while.body9236:
+  %t215 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t215, ptr %a216
+  %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %a193, i32 0, i32 1
+  %t219 = load i64, ptr %t218
+  %t220 = sub i64 %t219, 1
+  call void @finch_str_sub(ptr %a217, ptr %a216, i64 0, i64 %t220, ptr @.str.6350, i64 403)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  %t222 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t221, ptr %a193
+  store { ptr, i64, i64 } %t222, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  br label %while.cond9235
+while.end9237:
+  %t224 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } zeroinitializer, ptr %a225
+  store double 0.0, ptr %a226
+  store { ptr, i64, i64 } %t224, ptr %a227
+  %t228 = call i32 @finch_str_try_float(ptr %a227, ptr %a226, ptr %a225)
+  %t229 = icmp eq i32 %t228, 0
+  %t230 = load { ptr, i64, i64 }, ptr %a225
+  %t231 = load double, ptr %a226
+  br i1 %t229, label %or.failed9244, label %or.ok9245
+or.failed9244:
+  store { ptr, i64, i64 } %t230, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  call void @finch_str_drop(ptr %a193)
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
   ret %S.cimport.Number zeroinitializer
-or.ok8756:
-  store double %t225, ptr %a227
-  %t228 = load i1, ptr %a94
-  br i1 %t228, label %then8757, label %endif8759
-then8757:
-  %t229 = load double, ptr %a227
-  %t230 = fsub double 0.0, %t229
-  store double %t230, ptr %a227
-  br label %endif8759
-endif8759:
-  %t231 = insertvalue %S.cimport.CConst zeroinitializer, i1 true, 0
-  %t232 = load double, ptr %a227
-  %t233 = insertvalue %S.cimport.CConst %t231, double %t232, 2
-  %t234 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } %t234, ptr %a235
-  call void @finch_str_copy(ptr %a236, ptr %a235)
-  %t237 = load { ptr, i64, i64 }, ptr %a236
-  %t238 = insertvalue %S.cimport.CConst %t233, { ptr, i64, i64 } %t237, 3
-  %t239 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t238, 0
-  %t240 = insertvalue %S.cimport.Number %t239, i1 true, 1
-  ret %S.cimport.Number %t240
-endif8745:
-  %t241 = load { ptr, i64, i64 }, ptr %a127
-  %t242 = call %S.cimport.Number @finch.cimport.parseInt({ ptr, i64, i64 } %t241)
-  store %S.cimport.Number %t242, ptr %a243
-  %t244 = getelementptr inbounds %S.cimport.Number, ptr %a243, i32 0, i32 1
-  %t245 = load i1, ptr %t244
-  br label %logic.from8760
-logic.from8760:
-  br i1 %t245, label %logic.rhs8761, label %logic.end8762
-logic.rhs8761:
-  %t246 = load i1, ptr %a94
-  br label %logic.rend8763
-logic.rend8763:
-  br label %logic.end8762
-logic.end8762:
-  %t247 = phi i1 [ false, %logic.from8760 ], [ %t246, %logic.rend8763 ]
-  br i1 %t247, label %then8764, label %endif8766
-then8764:
-  %t248 = getelementptr inbounds %S.cimport.Number, ptr %a243, i32 0, i32 0
-  %t249 = getelementptr inbounds %S.cimport.CConst, ptr %t248, i32 0, i32 1
-  %t250 = load i64, ptr %t249
-  %t251 = sub i64 0, %t250
-  %t252 = getelementptr inbounds %S.cimport.Number, ptr %a243, i32 0, i32 0
-  %t253 = getelementptr inbounds %S.cimport.CConst, ptr %t252, i32 0, i32 1
-  store i64 %t251, ptr %t253
-  br label %endif8766
-endif8766:
-  %t254 = load %S.cimport.Number, ptr %a243
-  store %S.cimport.Number %t254, ptr %a255
-  call void @finch.copy.S_cimport_Number(ptr %a256, ptr %a255)
-  %t257 = load %S.cimport.Number, ptr %a256
-  ret %S.cimport.Number %t257
+or.ok9245:
+  store double %t231, ptr %a233
+  %t234 = load i1, ptr %a96
+  br i1 %t234, label %then9246, label %endif9248
+then9246:
+  %t235 = load double, ptr %a233
+  %t236 = fsub double 0.0, %t235
+  store double %t236, ptr %a233
+  br label %endif9248
+endif9248:
+  %t237 = insertvalue %S.cimport.CConst zeroinitializer, i1 true, 0
+  %t238 = load double, ptr %a233
+  %t239 = insertvalue %S.cimport.CConst %t237, double %t238, 2
+  %t240 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t240, ptr %a241
+  call void @finch_str_copy(ptr %a242, ptr %a241)
+  %t243 = load { ptr, i64, i64 }, ptr %a242
+  %t244 = insertvalue %S.cimport.CConst %t239, { ptr, i64, i64 } %t243, 3
+  %t245 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t244, 0
+  %t246 = insertvalue %S.cimport.Number %t245, i1 true, 1
+  call void @finch_str_drop(ptr %a193)
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
+  ret %S.cimport.Number %t246
+endif9234:
+  %t247 = load { ptr, i64, i64 }, ptr %a130
+  %t248 = call %S.cimport.Number @finch.cimport.parseInt({ ptr, i64, i64 } %t247)
+  store %S.cimport.Number %t248, ptr %a249
+  %t250 = getelementptr inbounds %S.cimport.Number, ptr %a249, i32 0, i32 1
+  %t251 = load i1, ptr %t250
+  br label %logic.from9249
+logic.from9249:
+  br i1 %t251, label %logic.rhs9250, label %logic.end9251
+logic.rhs9250:
+  %t252 = load i1, ptr %a96
+  br label %logic.rend9252
+logic.rend9252:
+  br label %logic.end9251
+logic.end9251:
+  %t253 = phi i1 [ false, %logic.from9249 ], [ %t252, %logic.rend9252 ]
+  br i1 %t253, label %then9253, label %endif9255
+then9253:
+  %t254 = getelementptr inbounds %S.cimport.Number, ptr %a249, i32 0, i32 0
+  %t255 = getelementptr inbounds %S.cimport.CConst, ptr %t254, i32 0, i32 1
+  %t256 = load i64, ptr %t255
+  %t257 = sub i64 0, %t256
+  %t258 = getelementptr inbounds %S.cimport.Number, ptr %a249, i32 0, i32 0
+  %t259 = getelementptr inbounds %S.cimport.CConst, ptr %t258, i32 0, i32 1
+  store i64 %t257, ptr %t259
+  br label %endif9255
+endif9255:
+  %t260 = load %S.cimport.Number, ptr %a249
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
+  ret %S.cimport.Number %t260
 }
 
 define internal i32 @finch.cimport.visitTop(%S.C.CXCursor %p0, %S.C.CXCursor %p1, ptr %p2) {
@@ -79768,6 +95910,14 @@ entry:
   ret i32 %t3
 }
 
+define internal void @finch.drop.S_cimport_Number(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Number, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_cimport_CConst(ptr %t1)
+  ret void
+}
+
 define internal void @finch.cimport.visit(ptr %p0, %S.C.CXCursor %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -79798,82 +95948,95 @@ entry:
   %a85 = alloca i32, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca %S.cimport.CFunc, align 16
-  %a123 = alloca %S.C.CXCursor, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca i32, align 16
-  %a144 = alloca %S.cimport.CFunc, align 16
-  %a145 = alloca %S.cimport.CFunc, align 16
-  %a147 = alloca %S.C.CXType, align 16
-  %a148 = alloca %S.C.CXType, align 16
-  %a150 = alloca %S.C.CXCursor, align 16
-  %a152 = alloca %S.C.CXType, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca %S.cimport.CFunc, align 16
+  %a125 = alloca %S.C.CXCursor, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca i32, align 16
+  %a148 = alloca %S.cimport.CFunc, align 16
+  %a149 = alloca %S.cimport.CFunc, align 16
+  %a152 = alloca %S.cimport.CFunc, align 16
+  %a153 = alloca %S.C.CXType, align 16
   %a154 = alloca %S.C.CXType, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca i32, align 16
-  %a176 = alloca %S.cimport.CFunc, align 16
-  %a177 = alloca %S.cimport.CFunc, align 16
-  %a180 = alloca %S.C.CXType, align 16
-  %a182 = alloca %S.C.CXType, align 16
-  %a185 = alloca %S.cimport.Mapped, align 16
-  %a191 = alloca %S.ast.Type, align 16
-  %a192 = alloca %S.ast.Type, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca %S.C.CXType, align 16
-  %a204 = alloca i64, align 16
-  %a206 = alloca i64, align 16
-  %a214 = alloca %S.C.CXType, align 16
-  %a216 = alloca %S.C.CXType, align 16
-  %a221 = alloca %S.cimport.Mapped, align 16
-  %a228 = alloca %S.ast.Type, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca %S.C.CXType, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca i32, align 16
-  %a265 = alloca %S.cimport.CFunc, align 16
-  %a266 = alloca %S.cimport.CFunc, align 16
-  %a271 = alloca %S.C.CXCursor, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca %S.C.CXType, align 16
-  %a286 = alloca %S.C.CXCursor, align 16
-  %a289 = alloca %S.cimport.Mapped, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca i32, align 16
-  %a310 = alloca %S.ast.Type, align 16
-  %a311 = alloca %S.ast.Type, align 16
-  %a316 = alloca %S.C.CXCursor, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca %S.C.CXCursor, align 16
-  %a334 = alloca [32 x i8], align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca i32, align 16
+  %a156 = alloca %S.C.CXCursor, align 16
+  %a158 = alloca %S.C.CXType, align 16
+  %a160 = alloca %S.C.CXType, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca i32, align 16
+  %a184 = alloca %S.cimport.CFunc, align 16
+  %a185 = alloca %S.cimport.CFunc, align 16
+  %a188 = alloca %S.cimport.CFunc, align 16
+  %a190 = alloca %S.C.CXType, align 16
+  %a192 = alloca %S.C.CXType, align 16
+  %a195 = alloca %S.cimport.Mapped, align 16
+  %a201 = alloca %S.ast.Type, align 16
+  %a202 = alloca %S.ast.Type, align 16
+  %a205 = alloca %S.ast.Type, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca %S.C.CXType, align 16
+  %a218 = alloca i64, align 16
+  %a220 = alloca i64, align 16
+  %a228 = alloca %S.C.CXType, align 16
+  %a230 = alloca %S.C.CXType, align 16
+  %a235 = alloca %S.cimport.Mapped, align 16
+  %a242 = alloca %S.ast.Type, align 16
+  %a243 = alloca %S.ast.Type, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca %S.C.CXType, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca i32, align 16
+  %a281 = alloca %S.cimport.CFunc, align 16
+  %a282 = alloca %S.cimport.CFunc, align 16
+  %a285 = alloca %S.cimport.CFunc, align 16
+  %a289 = alloca %S.C.CXCursor, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca %S.C.CXType, align 16
+  %a304 = alloca %S.C.CXCursor, align 16
+  %a307 = alloca %S.cimport.Mapped, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca i32, align 16
+  %a328 = alloca %S.ast.Type, align 16
+  %a329 = alloca %S.ast.Type, align 16
+  %a332 = alloca %S.ast.Type, align 16
+  %a336 = alloca %S.C.CXCursor, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca %S.C.CXCursor, align 16
+  %a354 = alloca [32 x i8], align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
-  %a363 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca %S.C.CXCursor, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca %S.C.CXCursor, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca i32, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca i32, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca %S.C.CXCursor, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
   %a405 = alloca %S.C.CXCursor, align 16
-  %a409 = alloca %S.C.CXCursor, align 16
-  %a416 = alloca %S.cimport.Number, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca i32, align 16
-  %a447 = alloca %S.cimport.CConst, align 16
-  %a448 = alloca %S.cimport.CConst, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca i32, align 16
+  %a425 = alloca %S.cimport.CConst, align 16
+  %a429 = alloca %S.C.CXCursor, align 16
+  %a433 = alloca %S.C.CXCursor, align 16
+  %a440 = alloca %S.cimport.Number, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca i32, align 16
+  %a471 = alloca %S.cimport.CConst, align 16
+  %a472 = alloca %S.cimport.CConst, align 16
+  %a475 = alloca %S.cimport.CConst, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXCursor %p1, ptr %a2
   %t3 = load %S.C.CXCursor, ptr %a2
@@ -79889,8 +96052,8 @@ entry:
   store i32 %t12, ptr %a13
   %t14 = load i32, ptr %a13
   %t15 = icmp eq i32 %t14, 20
-  br i1 %t15, label %then8767, label %else8768
-then8767:
+  br i1 %t15, label %then9256, label %else9257
+then9256:
   %t18 = load %S.C.CXCursor, ptr %a2
   store %S.C.CXCursor %t18, ptr %a19
   call void @clang_getTypedefDeclUnderlyingType(ptr sret(%S.C.CXType) align 16 %a17, ptr %a19)
@@ -79902,8 +96065,8 @@ then8767:
   %t24 = getelementptr inbounds %S.C.CXType, ptr %a23, i32 0, i32 0
   %t25 = load i32, ptr %t24
   %t26 = icmp eq i32 %t25, 105
-  br i1 %t26, label %then8770, label %endif8772
-then8770:
+  br i1 %t26, label %then9259, label %endif9261
+then9259:
   %t28 = load %S.C.CXType, ptr %a23
   store %S.C.CXType %t28, ptr %a29
   call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a27, ptr %a29)
@@ -79916,49 +96079,49 @@ then8770:
   store { ptr, i64, i64 } %t35, ptr %a36
   %t37 = load ptr, ptr %a1
   %t38 = icmp eq ptr %t37, null
-  br i1 %t38, label %panic8773, label %ok8774
-panic8773:
-  call void @finch_panic(ptr @.str.6128, i64 433, ptr @.str.6129)
+  br i1 %t38, label %panic9262, label %ok9263
+panic9262:
+  call void @finch_panic(ptr @.str.6351, i64 437, ptr @.str.6352)
   unreachable
-ok8774:
+ok9263:
   %t39 = getelementptr inbounds %S.cimport.Importer, ptr %t37, i32 0, i32 3
   %t40 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t40, ptr %a41
   %t42 = call i64 @finch_map_find(ptr %t39, ptr %a41, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t43 = icmp sge i64 %t42, 0
-  br label %logic.from8775
-logic.from8775:
-  br i1 %t43, label %logic.rhs8776, label %logic.end8777
-logic.rhs8776:
+  br label %logic.from9264
+logic.from9264:
+  br i1 %t43, label %logic.rhs9265, label %logic.end9266
+logic.rhs9265:
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic8778, label %ok8779
-panic8778:
-  call void @finch_panic(ptr @.str.6130, i64 433, ptr @.str.6131)
+  br i1 %t45, label %panic9267, label %ok9268
+panic9267:
+  call void @finch_panic(ptr @.str.6353, i64 437, ptr @.str.6354)
   unreachable
-ok8779:
+ok9268:
   %t46 = getelementptr inbounds %S.cimport.Importer, ptr %t44, i32 0, i32 0
   %t47 = getelementptr inbounds %S.cimport.CImports, ptr %t46, i32 0, i32 3
   %t48 = load ptr, ptr %a1
   %t49 = icmp eq ptr %t48, null
-  br i1 %t49, label %panic8780, label %ok8781
-panic8780:
-  call void @finch_panic(ptr @.str.6132, i64 433, ptr @.str.6133)
+  br i1 %t49, label %panic9269, label %ok9270
+panic9269:
+  call void @finch_panic(ptr @.str.6355, i64 437, ptr @.str.6356)
   unreachable
-ok8781:
+ok9270:
   %t50 = getelementptr inbounds %S.cimport.Importer, ptr %t48, i32 0, i32 3
   %t51 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t51, ptr %a52
   %t53 = call i64 @finch_map_find(ptr %t50, ptr %a52, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t54 = icmp slt i64 %t53, 0
-  br i1 %t54, label %map.missing8782, label %map.found8783
-map.missing8782:
+  br i1 %t54, label %map.missing9271, label %map.found9272
+map.missing9271:
   store { ptr, i64, i64 } zeroinitializer, ptr %a55
   store { ptr, i64, i64 } %t51, ptr %a56
   call void @finch_buf_str(ptr %a55, ptr %a56, i32 1)
-  call void @finch_map_missing(ptr @.str.6134, i64 433, ptr %a55)
+  call void @finch_map_missing(ptr @.str.6357, i64 437, ptr %a55)
   unreachable
-map.found8783:
+map.found9272:
   %t57 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t50, i32 0, i32 0
   %t58 = load ptr, ptr %t57
   %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t58, i64 %t53
@@ -79967,25 +96130,25 @@ map.found8783:
   store { ptr, i64, i64 } %t61, ptr %a62
   %t63 = call i64 @finch_map_find(ptr %t47, ptr %a62, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t64 = icmp sge i64 %t63, 0
-  br label %logic.rend8784
-logic.rend8784:
-  br label %logic.end8777
-logic.end8777:
-  %t65 = phi i1 [ false, %logic.from8775 ], [ %t64, %logic.rend8784 ]
+  br label %logic.rend9273
+logic.rend9273:
+  br label %logic.end9266
+logic.end9266:
+  %t65 = phi i1 [ false, %logic.from9264 ], [ %t64, %logic.rend9273 ]
   store i1 %t65, ptr %a66
   %t67 = load i1, ptr %a66
   %t68 = xor i1 %t67, true
-  br label %logic.from8785
-logic.from8785:
-  br i1 %t68, label %logic.rhs8786, label %logic.end8787
-logic.rhs8786:
+  br label %logic.from9274
+logic.from9274:
+  br i1 %t68, label %logic.rhs9275, label %logic.end9276
+logic.rhs9275:
   %t69 = load ptr, ptr %a1
   %t70 = icmp eq ptr %t69, null
-  br i1 %t70, label %panic8788, label %ok8789
-panic8788:
-  call void @finch_panic(ptr @.str.6135, i64 434, ptr @.str.6136)
+  br i1 %t70, label %panic9277, label %ok9278
+panic9277:
+  call void @finch_panic(ptr @.str.6358, i64 438, ptr @.str.6359)
   unreachable
-ok8789:
+ok9278:
   %t71 = getelementptr inbounds %S.cimport.Importer, ptr %t69, i32 0, i32 0
   %t72 = getelementptr inbounds %S.cimport.CImports, ptr %t71, i32 0, i32 3
   %t73 = load { ptr, i64, i64 }, ptr %a9
@@ -79993,21 +96156,21 @@ ok8789:
   %t75 = call i64 @finch_map_find(ptr %t72, ptr %a74, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t76 = icmp sge i64 %t75, 0
   %t77 = xor i1 %t76, true
-  br label %logic.rend8790
-logic.rend8790:
-  br label %logic.end8787
-logic.end8787:
-  %t78 = phi i1 [ false, %logic.from8785 ], [ %t77, %logic.rend8790 ]
-  br i1 %t78, label %then8791, label %endif8793
-then8791:
+  br label %logic.rend9279
+logic.rend9279:
+  br label %logic.end9276
+logic.end9276:
+  %t78 = phi i1 [ false, %logic.from9274 ], [ %t77, %logic.rend9279 ]
+  br i1 %t78, label %then9280, label %endif9282
+then9280:
   %t79 = load { ptr, i64, i64 }, ptr %a9
   %t80 = load ptr, ptr %a1
   %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic8794, label %ok8795
-panic8794:
-  call void @finch_panic(ptr @.str.6137, i64 435, ptr @.str.6138)
+  br i1 %t81, label %panic9283, label %ok9284
+panic9283:
+  call void @finch_panic(ptr @.str.6360, i64 439, ptr @.str.6361)
   unreachable
-ok8795:
+ok9284:
   %t82 = getelementptr inbounds %S.cimport.Importer, ptr %t80, i32 0, i32 3
   %t83 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t83, ptr %a84
@@ -80018,640 +96181,784 @@ ok8795:
   %t89 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t88, i64 %t86
   %t90 = load i32, ptr %a85
   %t91 = icmp ne i32 %t90, 0
-  br i1 %t91, label %map.new8796, label %map.have8797
-map.new8796:
+  br i1 %t91, label %map.new9285, label %map.have9286
+map.new9285:
   %t92 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t89, i32 0, i32 1
   call void @finch_str_copy(ptr %t92, ptr %a84)
   %t93 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t89, i32 0, i32 2
   store { ptr, i64, i64 } zeroinitializer, ptr %t93
-  br label %map.have8797
-map.have8797:
+  br label %map.have9286
+map.have9286:
   %t94 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t89, i32 0, i32 2
   store { ptr, i64, i64 } %t79, ptr %a95
   call void @finch_str_copy(ptr %a96, ptr %a95)
   %t97 = load { ptr, i64, i64 }, ptr %a96
+  %t98 = load { ptr, i64, i64 }, ptr %t94
   store { ptr, i64, i64 } %t97, ptr %t94
-  br label %endif8793
-endif8793:
-  br label %endif8772
-endif8772:
-  br label %endif8769
-else8768:
-  %t98 = load i32, ptr %a13
-  %t99 = icmp eq i32 %t98, 8
-  br i1 %t99, label %then8798, label %else8799
-then8798:
-  %t100 = load ptr, ptr %a1
-  %t101 = icmp eq ptr %t100, null
-  br i1 %t101, label %panic8801, label %ok8802
-panic8801:
-  call void @finch_panic(ptr @.str.6139, i64 439, ptr @.str.6140)
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  br label %endif9282
+endif9282:
+  call void @finch_str_drop(ptr %a36)
+  br label %endif9261
+endif9261:
+  br label %endif9258
+else9257:
+  %t100 = load i32, ptr %a13
+  %t101 = icmp eq i32 %t100, 8
+  br i1 %t101, label %then9287, label %else9288
+then9287:
+  %t102 = load ptr, ptr %a1
+  %t103 = icmp eq ptr %t102, null
+  br i1 %t103, label %panic9290, label %ok9291
+panic9290:
+  call void @finch_panic(ptr @.str.6362, i64 443, ptr @.str.6363)
   unreachable
-ok8802:
-  %t102 = getelementptr inbounds %S.cimport.Importer, ptr %t100, i32 0, i32 0
-  %t103 = getelementptr inbounds %S.cimport.CImports, ptr %t102, i32 0, i32 0
-  %t104 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t104, ptr %a105
-  %t106 = call i64 @finch_map_find(ptr %t103, ptr %a105, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t107 = icmp sge i64 %t106, 0
-  br i1 %t107, label %then8803, label %endif8805
-then8803:
+ok9291:
+  %t104 = getelementptr inbounds %S.cimport.Importer, ptr %t102, i32 0, i32 0
+  %t105 = getelementptr inbounds %S.cimport.CImports, ptr %t104, i32 0, i32 0
+  %t106 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t106, ptr %a107
+  %t108 = call i64 @finch_map_find(ptr %t105, ptr %a107, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t109 = icmp sge i64 %t108, 0
+  br i1 %t109, label %then9292, label %endif9294
+then9292:
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8805:
-  %t108 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t108, ptr %a109
-  call void @finch_str_copy(ptr %a110, ptr %a109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  %t112 = insertvalue %S.cimport.CFunc zeroinitializer, { ptr, i64, i64 } %t111, 0
-  %t113 = load ptr, ptr %a1
-  %t114 = icmp eq ptr %t113, null
-  br i1 %t114, label %panic8806, label %ok8807
-panic8806:
-  call void @finch_panic(ptr @.str.6141, i64 442, ptr @.str.6142)
+endif9294:
+  %t110 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_copy(ptr %a112, ptr %a111)
+  %t113 = load { ptr, i64, i64 }, ptr %a112
+  %t114 = insertvalue %S.cimport.CFunc zeroinitializer, { ptr, i64, i64 } %t113, 0
+  %t115 = load ptr, ptr %a1
+  %t116 = icmp eq ptr %t115, null
+  br i1 %t116, label %panic9295, label %ok9296
+panic9295:
+  call void @finch_panic(ptr @.str.6364, i64 446, ptr @.str.6365)
   unreachable
-ok8807:
-  %t115 = getelementptr inbounds %S.cimport.Importer, ptr %t113, i32 0, i32 2
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store { ptr, i64, i64 } %t116, ptr %a117
-  call void @finch_str_copy(ptr %a118, ptr %a117)
-  %t119 = load { ptr, i64, i64 }, ptr %a118
-  %t120 = insertvalue %S.cimport.CFunc %t112, { ptr, i64, i64 } %t119, 1
-  store %S.cimport.CFunc %t120, ptr %a121
-  %t122 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t122, ptr %a123
-  %t124 = call i32 @clang_Cursor_getStorageClass(ptr %a123)
-  %t125 = icmp eq i32 %t124, 3
-  br i1 %t125, label %then8808, label %endif8810
-then8808:
-  %t126 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } { ptr @.str.6143, i64 62, i64 0 }, ptr %t126
-  %t127 = load %S.cimport.CFunc, ptr %a121
-  %t128 = load ptr, ptr %a1
-  %t129 = icmp eq ptr %t128, null
-  br i1 %t129, label %panic8811, label %ok8812
-panic8811:
-  call void @finch_panic(ptr @.str.6144, i64 445, ptr @.str.6145)
+ok9296:
+  %t117 = getelementptr inbounds %S.cimport.Importer, ptr %t115, i32 0, i32 2
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_copy(ptr %a120, ptr %a119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  %t122 = insertvalue %S.cimport.CFunc %t114, { ptr, i64, i64 } %t121, 1
+  store %S.cimport.CFunc %t122, ptr %a123
+  %t124 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t124, ptr %a125
+  %t126 = call i32 @clang_Cursor_getStorageClass(ptr %a125)
+  %t127 = icmp eq i32 %t126, 3
+  br i1 %t127, label %then9297, label %endif9299
+then9297:
+  %t128 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  store { ptr, i64, i64 } { ptr @.str.6366, i64 62, i64 0 }, ptr %t128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load %S.cimport.CFunc, ptr %a123
+  %t132 = load ptr, ptr %a1
+  %t133 = icmp eq ptr %t132, null
+  br i1 %t133, label %panic9300, label %ok9301
+panic9300:
+  call void @finch_panic(ptr @.str.6367, i64 449, ptr @.str.6368)
   unreachable
-ok8812:
-  %t130 = getelementptr inbounds %S.cimport.Importer, ptr %t128, i32 0, i32 0
-  %t131 = getelementptr inbounds %S.cimport.CImports, ptr %t130, i32 0, i32 0
-  %t132 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t132, ptr %a133
-  store i32 0, ptr %a134
-  %t135 = call i64 @finch_map_slot(ptr %t131, ptr %a133, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a134)
-  %t136 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t131, i32 0, i32 0
-  %t137 = load ptr, ptr %t136
-  %t138 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t137, i64 %t135
-  %t139 = load i32, ptr %a134
-  %t140 = icmp ne i32 %t139, 0
-  br i1 %t140, label %map.new8813, label %map.have8814
-map.new8813:
-  %t141 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t138, i32 0, i32 1
-  call void @finch_str_copy(ptr %t141, ptr %a133)
-  %t142 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t138, i32 0, i32 2
-  store %S.cimport.CFunc zeroinitializer, ptr %t142
-  br label %map.have8814
-map.have8814:
-  %t143 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t138, i32 0, i32 2
-  store %S.cimport.CFunc %t127, ptr %a144
-  call void @finch.copy.S_cimport_CFunc(ptr %a145, ptr %a144)
-  %t146 = load %S.cimport.CFunc, ptr %a145
-  store %S.cimport.CFunc %t146, ptr %t143
+ok9301:
+  %t134 = getelementptr inbounds %S.cimport.Importer, ptr %t132, i32 0, i32 0
+  %t135 = getelementptr inbounds %S.cimport.CImports, ptr %t134, i32 0, i32 0
+  %t136 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t136, ptr %a137
+  store i32 0, ptr %a138
+  %t139 = call i64 @finch_map_slot(ptr %t135, ptr %a137, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a138)
+  %t140 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t135, i32 0, i32 0
+  %t141 = load ptr, ptr %t140
+  %t142 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t141, i64 %t139
+  %t143 = load i32, ptr %a138
+  %t144 = icmp ne i32 %t143, 0
+  br i1 %t144, label %map.new9302, label %map.have9303
+map.new9302:
+  %t145 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t142, i32 0, i32 1
+  call void @finch_str_copy(ptr %t145, ptr %a137)
+  %t146 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t142, i32 0, i32 2
+  store %S.cimport.CFunc zeroinitializer, ptr %t146
+  br label %map.have9303
+map.have9303:
+  %t147 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t142, i32 0, i32 2
+  store %S.cimport.CFunc %t131, ptr %a148
+  call void @finch.copy.S_cimport_CFunc(ptr %a149, ptr %a148)
+  %t150 = load %S.cimport.CFunc, ptr %a149
+  %t151 = load %S.cimport.CFunc, ptr %t147
+  store %S.cimport.CFunc %t150, ptr %t147
+  store %S.cimport.CFunc %t151, ptr %a152
+  call void @finch.drop.S_cimport_CFunc(ptr %a152)
+  call void @finch.drop.S_cimport_CFunc(ptr %a123)
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8810:
-  %t149 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t149, ptr %a150
-  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a148, ptr %a150)
-  %t151 = load %S.C.CXType, ptr %a148
-  store %S.C.CXType %t151, ptr %a152
-  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a147, ptr %a152)
-  %t153 = load %S.C.CXType, ptr %a147
-  store %S.C.CXType %t153, ptr %a154
-  %t155 = getelementptr inbounds %S.C.CXType, ptr %a154, i32 0, i32 0
-  %t156 = load i32, ptr %t155
-  %t157 = icmp eq i32 %t156, 110
-  br i1 %t157, label %then8815, label %endif8817
-then8815:
-  %t158 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } { ptr @.str.6146, i64 42, i64 0 }, ptr %t158
-  %t159 = load %S.cimport.CFunc, ptr %a121
-  %t160 = load ptr, ptr %a1
-  %t161 = icmp eq ptr %t160, null
-  br i1 %t161, label %panic8818, label %ok8819
-panic8818:
-  call void @finch_panic(ptr @.str.6147, i64 451, ptr @.str.6148)
+endif9299:
+  %t155 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t155, ptr %a156
+  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a154, ptr %a156)
+  %t157 = load %S.C.CXType, ptr %a154
+  store %S.C.CXType %t157, ptr %a158
+  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a153, ptr %a158)
+  %t159 = load %S.C.CXType, ptr %a153
+  store %S.C.CXType %t159, ptr %a160
+  %t161 = getelementptr inbounds %S.C.CXType, ptr %a160, i32 0, i32 0
+  %t162 = load i32, ptr %t161
+  %t163 = icmp eq i32 %t162, 110
+  br i1 %t163, label %then9304, label %endif9306
+then9304:
+  %t164 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  store { ptr, i64, i64 } { ptr @.str.6369, i64 42, i64 0 }, ptr %t164
+  store { ptr, i64, i64 } %t165, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load %S.cimport.CFunc, ptr %a123
+  %t168 = load ptr, ptr %a1
+  %t169 = icmp eq ptr %t168, null
+  br i1 %t169, label %panic9307, label %ok9308
+panic9307:
+  call void @finch_panic(ptr @.str.6370, i64 455, ptr @.str.6371)
   unreachable
-ok8819:
-  %t162 = getelementptr inbounds %S.cimport.Importer, ptr %t160, i32 0, i32 0
-  %t163 = getelementptr inbounds %S.cimport.CImports, ptr %t162, i32 0, i32 0
-  %t164 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t164, ptr %a165
-  store i32 0, ptr %a166
-  %t167 = call i64 @finch_map_slot(ptr %t163, ptr %a165, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a166)
-  %t168 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t163, i32 0, i32 0
-  %t169 = load ptr, ptr %t168
-  %t170 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t169, i64 %t167
-  %t171 = load i32, ptr %a166
-  %t172 = icmp ne i32 %t171, 0
-  br i1 %t172, label %map.new8820, label %map.have8821
-map.new8820:
-  %t173 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t170, i32 0, i32 1
-  call void @finch_str_copy(ptr %t173, ptr %a165)
-  %t174 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t170, i32 0, i32 2
-  store %S.cimport.CFunc zeroinitializer, ptr %t174
-  br label %map.have8821
-map.have8821:
-  %t175 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t170, i32 0, i32 2
-  store %S.cimport.CFunc %t159, ptr %a176
-  call void @finch.copy.S_cimport_CFunc(ptr %a177, ptr %a176)
-  %t178 = load %S.cimport.CFunc, ptr %a177
-  store %S.cimport.CFunc %t178, ptr %t175
+ok9308:
+  %t170 = getelementptr inbounds %S.cimport.Importer, ptr %t168, i32 0, i32 0
+  %t171 = getelementptr inbounds %S.cimport.CImports, ptr %t170, i32 0, i32 0
+  %t172 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t172, ptr %a173
+  store i32 0, ptr %a174
+  %t175 = call i64 @finch_map_slot(ptr %t171, ptr %a173, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a174)
+  %t176 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t171, i32 0, i32 0
+  %t177 = load ptr, ptr %t176
+  %t178 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t177, i64 %t175
+  %t179 = load i32, ptr %a174
+  %t180 = icmp ne i32 %t179, 0
+  br i1 %t180, label %map.new9309, label %map.have9310
+map.new9309:
+  %t181 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t178, i32 0, i32 1
+  call void @finch_str_copy(ptr %t181, ptr %a173)
+  %t182 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t178, i32 0, i32 2
+  store %S.cimport.CFunc zeroinitializer, ptr %t182
+  br label %map.have9310
+map.have9310:
+  %t183 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t178, i32 0, i32 2
+  store %S.cimport.CFunc %t167, ptr %a184
+  call void @finch.copy.S_cimport_CFunc(ptr %a185, ptr %a184)
+  %t186 = load %S.cimport.CFunc, ptr %a185
+  %t187 = load %S.cimport.CFunc, ptr %t183
+  store %S.cimport.CFunc %t186, ptr %t183
+  store %S.cimport.CFunc %t187, ptr %a188
+  call void @finch.drop.S_cimport_CFunc(ptr %a188)
+  call void @finch.drop.S_cimport_CFunc(ptr %a123)
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8817:
-  %t179 = load ptr, ptr %a1
-  %t181 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t181, ptr %a182
-  call void @clang_getResultType(ptr sret(%S.C.CXType) align 16 %a180, ptr %a182)
-  %t183 = load %S.C.CXType, ptr %a180
-  %t184 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t179, %S.C.CXType %t183, i1 true, i1 false)
-  store %S.cimport.Mapped %t184, ptr %a185
-  %t186 = getelementptr inbounds %S.cimport.Mapped, ptr %a185, i32 0, i32 2
-  %t187 = load i1, ptr %t186
-  br i1 %t187, label %then8822, label %else8823
-then8822:
-  %t188 = getelementptr inbounds %S.cimport.Mapped, ptr %a185, i32 0, i32 0
-  %t189 = load %S.ast.Type, ptr %t188
-  %t190 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 2
-  store %S.ast.Type %t189, ptr %a191
-  call void @finch.copy.S_ast_Type(ptr %a192, ptr %a191)
-  %t193 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t193, ptr %t190
-  br label %endif8824
-else8823:
-  %t194 = getelementptr inbounds %S.cimport.Mapped, ptr %a185, i32 0, i32 1
-  %t195 = load { ptr, i64, i64 }, ptr %t194
-  %t196 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } %t195, ptr %a197
-  call void @finch_str_copy(ptr %a198, ptr %a197)
-  %t199 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t199, ptr %t196
-  br label %endif8824
-endif8824:
-  %t200 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t200, ptr %a201
-  %t202 = call i32 @clang_getNumArgTypes(ptr %a201)
-  %t203 = sext i32 %t202 to i64
-  store i64 %t203, ptr %a204
-  %t205 = load i64, ptr %a204
-  store i64 0, ptr %a206
-  br label %for.cond8825
-for.cond8825:
-  %t207 = load i64, ptr %a206
-  %t208 = icmp slt i64 %t207, %t205
-  br i1 %t208, label %for.body8826, label %for.end8828
-for.body8826:
-  %t209 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i32 0, i32 1
-  %t211 = load i64, ptr %t210
-  %t212 = icmp sgt i64 %t211, 0
-  br i1 %t212, label %then8829, label %endif8831
-then8829:
-  br label %for.end8828
-endif8831:
-  %t213 = load ptr, ptr %a1
-  %t215 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t215, ptr %a216
-  %t217 = load i64, ptr %a206
-  %t218 = trunc i64 %t217 to i32
-  call void @clang_getArgType(ptr sret(%S.C.CXType) align 16 %a214, ptr %a216, i32 %t218)
-  %t219 = load %S.C.CXType, ptr %a214
-  %t220 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t213, %S.C.CXType %t219, i1 true, i1 true)
-  store %S.cimport.Mapped %t220, ptr %a221
-  %t222 = getelementptr inbounds %S.cimport.Mapped, ptr %a221, i32 0, i32 2
-  %t223 = load i1, ptr %t222
-  br i1 %t223, label %then8832, label %else8833
-then8832:
-  %t224 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 3
-  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i32 0, i32 1
-  %t226 = getelementptr inbounds %S.cimport.Mapped, ptr %a221, i32 0, i32 0
-  %t227 = load %S.ast.Type, ptr %t226
-  store %S.ast.Type %t227, ptr %a228
-  call void @finch.copy.S_ast_Type(ptr %a229, ptr %a228)
-  %t230 = load %S.ast.Type, ptr %a229
-  %t231 = load i64, ptr %t225
-  %t232 = add i64 %t231, 1
-  call void @finch_arr_reserve(ptr %t224, i64 %t232, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t233 = load ptr, ptr %t224
-  %t234 = getelementptr inbounds %S.ast.Type, ptr %t233, i64 %t231
-  store %S.ast.Type %t230, ptr %t234
-  store i64 %t232, ptr %t225
-  br label %endif8834
-else8833:
-  %t235 = getelementptr inbounds %S.cimport.Mapped, ptr %a221, i32 0, i32 1
-  %t236 = load { ptr, i64, i64 }, ptr %t235
-  %t237 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } %t236, ptr %a238
-  call void @finch_str_copy(ptr %a239, ptr %a238)
-  %t240 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t240, ptr %t237
-  br label %endif8834
-endif8834:
-  br label %for.step8827
-for.step8827:
-  %t241 = load i64, ptr %a206
-  %t242 = add i64 %t241, 1
-  store i64 %t242, ptr %a206
-  br label %for.cond8825
-for.end8828:
-  %t243 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t243, ptr %a244
-  %t245 = call i32 @clang_isFunctionTypeVariadic(ptr %a244)
-  %t246 = icmp ne i32 %t245, 0
-  %t247 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 4
-  store i1 %t246, ptr %t247
-  %t248 = load %S.cimport.CFunc, ptr %a121
-  %t249 = load ptr, ptr %a1
-  %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic8835, label %ok8836
-panic8835:
-  call void @finch_panic(ptr @.str.6149, i64 473, ptr @.str.6150)
+endif9306:
+  %t189 = load ptr, ptr %a1
+  %t191 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t191, ptr %a192
+  call void @clang_getResultType(ptr sret(%S.C.CXType) align 16 %a190, ptr %a192)
+  %t193 = load %S.C.CXType, ptr %a190
+  %t194 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t189, %S.C.CXType %t193, i1 true, i1 false)
+  store %S.cimport.Mapped %t194, ptr %a195
+  %t196 = getelementptr inbounds %S.cimport.Mapped, ptr %a195, i32 0, i32 2
+  %t197 = load i1, ptr %t196
+  br i1 %t197, label %then9311, label %else9312
+then9311:
+  %t198 = getelementptr inbounds %S.cimport.Mapped, ptr %a195, i32 0, i32 0
+  %t199 = load %S.ast.Type, ptr %t198
+  %t200 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 2
+  store %S.ast.Type %t199, ptr %a201
+  call void @finch.copy.S_ast_Type(ptr %a202, ptr %a201)
+  %t203 = load %S.ast.Type, ptr %a202
+  %t204 = load %S.ast.Type, ptr %t200
+  store %S.ast.Type %t203, ptr %t200
+  store %S.ast.Type %t204, ptr %a205
+  call void @finch.drop.S_ast_Type(ptr %a205)
+  br label %endif9313
+else9312:
+  %t206 = getelementptr inbounds %S.cimport.Mapped, ptr %a195, i32 0, i32 1
+  %t207 = load { ptr, i64, i64 }, ptr %t206
+  %t208 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  store { ptr, i64, i64 } %t207, ptr %a209
+  call void @finch_str_copy(ptr %a210, ptr %a209)
+  %t211 = load { ptr, i64, i64 }, ptr %a210
+  %t212 = load { ptr, i64, i64 }, ptr %t208
+  store { ptr, i64, i64 } %t211, ptr %t208
+  store { ptr, i64, i64 } %t212, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %endif9313
+endif9313:
+  %t214 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t214, ptr %a215
+  %t216 = call i32 @clang_getNumArgTypes(ptr %a215)
+  %t217 = sext i32 %t216 to i64
+  store i64 %t217, ptr %a218
+  %t219 = load i64, ptr %a218
+  store i64 0, ptr %a220
+  br label %for.cond9314
+for.cond9314:
+  %t221 = load i64, ptr %a220
+  %t222 = icmp slt i64 %t221, %t219
+  br i1 %t222, label %for.body9315, label %for.end9317
+for.body9315:
+  %t223 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i32 0, i32 1
+  %t225 = load i64, ptr %t224
+  %t226 = icmp sgt i64 %t225, 0
+  br i1 %t226, label %then9318, label %endif9320
+then9318:
+  br label %for.end9317
+endif9320:
+  %t227 = load ptr, ptr %a1
+  %t229 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t229, ptr %a230
+  %t231 = load i64, ptr %a220
+  %t232 = trunc i64 %t231 to i32
+  call void @clang_getArgType(ptr sret(%S.C.CXType) align 16 %a228, ptr %a230, i32 %t232)
+  %t233 = load %S.C.CXType, ptr %a228
+  %t234 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t227, %S.C.CXType %t233, i1 true, i1 true)
+  store %S.cimport.Mapped %t234, ptr %a235
+  %t236 = getelementptr inbounds %S.cimport.Mapped, ptr %a235, i32 0, i32 2
+  %t237 = load i1, ptr %t236
+  br i1 %t237, label %then9321, label %else9322
+then9321:
+  %t238 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 3
+  %t239 = getelementptr inbounds { ptr, i64, i64 }, ptr %t238, i32 0, i32 1
+  %t240 = getelementptr inbounds %S.cimport.Mapped, ptr %a235, i32 0, i32 0
+  %t241 = load %S.ast.Type, ptr %t240
+  store %S.ast.Type %t241, ptr %a242
+  call void @finch.copy.S_ast_Type(ptr %a243, ptr %a242)
+  %t244 = load %S.ast.Type, ptr %a243
+  %t245 = load i64, ptr %t239
+  %t246 = add i64 %t245, 1
+  call void @finch_arr_reserve(ptr %t238, i64 %t246, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t247 = load ptr, ptr %t238
+  %t248 = getelementptr inbounds %S.ast.Type, ptr %t247, i64 %t245
+  store %S.ast.Type %t244, ptr %t248
+  store i64 %t246, ptr %t239
+  br label %endif9323
+else9322:
+  %t249 = getelementptr inbounds %S.cimport.Mapped, ptr %a235, i32 0, i32 1
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  %t251 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  store { ptr, i64, i64 } %t250, ptr %a252
+  call void @finch_str_copy(ptr %a253, ptr %a252)
+  %t254 = load { ptr, i64, i64 }, ptr %a253
+  %t255 = load { ptr, i64, i64 }, ptr %t251
+  store { ptr, i64, i64 } %t254, ptr %t251
+  store { ptr, i64, i64 } %t255, ptr %a256
+  call void @finch_str_drop(ptr %a256)
+  br label %endif9323
+endif9323:
+  call void @finch.drop.S_cimport_Mapped(ptr %a235)
+  br label %for.step9316
+for.step9316:
+  %t257 = load i64, ptr %a220
+  %t258 = add i64 %t257, 1
+  store i64 %t258, ptr %a220
+  br label %for.cond9314
+for.end9317:
+  %t259 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t259, ptr %a260
+  %t261 = call i32 @clang_isFunctionTypeVariadic(ptr %a260)
+  %t262 = icmp ne i32 %t261, 0
+  %t263 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 4
+  store i1 %t262, ptr %t263
+  %t264 = load %S.cimport.CFunc, ptr %a123
+  %t265 = load ptr, ptr %a1
+  %t266 = icmp eq ptr %t265, null
+  br i1 %t266, label %panic9324, label %ok9325
+panic9324:
+  call void @finch_panic(ptr @.str.6372, i64 477, ptr @.str.6373)
   unreachable
-ok8836:
-  %t251 = getelementptr inbounds %S.cimport.Importer, ptr %t249, i32 0, i32 0
-  %t252 = getelementptr inbounds %S.cimport.CImports, ptr %t251, i32 0, i32 0
-  %t253 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t253, ptr %a254
-  store i32 0, ptr %a255
-  %t256 = call i64 @finch_map_slot(ptr %t252, ptr %a254, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a255)
-  %t257 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t252, i32 0, i32 0
-  %t258 = load ptr, ptr %t257
-  %t259 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t258, i64 %t256
-  %t260 = load i32, ptr %a255
-  %t261 = icmp ne i32 %t260, 0
-  br i1 %t261, label %map.new8837, label %map.have8838
-map.new8837:
-  %t262 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t259, i32 0, i32 1
-  call void @finch_str_copy(ptr %t262, ptr %a254)
-  %t263 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t259, i32 0, i32 2
-  store %S.cimport.CFunc zeroinitializer, ptr %t263
-  br label %map.have8838
-map.have8838:
-  %t264 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t259, i32 0, i32 2
-  store %S.cimport.CFunc %t248, ptr %a265
-  call void @finch.copy.S_cimport_CFunc(ptr %a266, ptr %a265)
-  %t267 = load %S.cimport.CFunc, ptr %a266
-  store %S.cimport.CFunc %t267, ptr %t264
-  br label %endif8800
-else8799:
-  %t268 = load i32, ptr %a13
-  %t269 = icmp eq i32 %t268, 9
-  br i1 %t269, label %then8839, label %else8840
-then8839:
-  %t270 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t270, ptr %a271
-  %t272 = call i32 @clang_Cursor_getStorageClass(ptr %a271)
-  %t273 = icmp ne i32 %t272, 2
-  br label %logic.from8842
-logic.from8842:
-  br i1 %t273, label %logic.end8844, label %logic.rhs8843
-logic.rhs8843:
-  %t274 = load ptr, ptr %a1
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic8845, label %ok8846
-panic8845:
-  call void @finch_panic(ptr @.str.6151, i64 475, ptr @.str.6152)
+ok9325:
+  %t267 = getelementptr inbounds %S.cimport.Importer, ptr %t265, i32 0, i32 0
+  %t268 = getelementptr inbounds %S.cimport.CImports, ptr %t267, i32 0, i32 0
+  %t269 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t269, ptr %a270
+  store i32 0, ptr %a271
+  %t272 = call i64 @finch_map_slot(ptr %t268, ptr %a270, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a271)
+  %t273 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t268, i32 0, i32 0
+  %t274 = load ptr, ptr %t273
+  %t275 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t274, i64 %t272
+  %t276 = load i32, ptr %a271
+  %t277 = icmp ne i32 %t276, 0
+  br i1 %t277, label %map.new9326, label %map.have9327
+map.new9326:
+  %t278 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t275, i32 0, i32 1
+  call void @finch_str_copy(ptr %t278, ptr %a270)
+  %t279 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t275, i32 0, i32 2
+  store %S.cimport.CFunc zeroinitializer, ptr %t279
+  br label %map.have9327
+map.have9327:
+  %t280 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t275, i32 0, i32 2
+  store %S.cimport.CFunc %t264, ptr %a281
+  call void @finch.copy.S_cimport_CFunc(ptr %a282, ptr %a281)
+  %t283 = load %S.cimport.CFunc, ptr %a282
+  %t284 = load %S.cimport.CFunc, ptr %t280
+  store %S.cimport.CFunc %t283, ptr %t280
+  store %S.cimport.CFunc %t284, ptr %a285
+  call void @finch.drop.S_cimport_CFunc(ptr %a285)
+  call void @finch.drop.S_cimport_Mapped(ptr %a195)
+  call void @finch.drop.S_cimport_CFunc(ptr %a123)
+  br label %endif9289
+else9288:
+  %t286 = load i32, ptr %a13
+  %t287 = icmp eq i32 %t286, 9
+  br i1 %t287, label %then9328, label %else9329
+then9328:
+  %t288 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t288, ptr %a289
+  %t290 = call i32 @clang_Cursor_getStorageClass(ptr %a289)
+  %t291 = icmp ne i32 %t290, 2
+  br label %logic.from9331
+logic.from9331:
+  br i1 %t291, label %logic.end9333, label %logic.rhs9332
+logic.rhs9332:
+  %t292 = load ptr, ptr %a1
+  %t293 = icmp eq ptr %t292, null
+  br i1 %t293, label %panic9334, label %ok9335
+panic9334:
+  call void @finch_panic(ptr @.str.6374, i64 479, ptr @.str.6375)
   unreachable
-ok8846:
-  %t276 = getelementptr inbounds %S.cimport.Importer, ptr %t274, i32 0, i32 0
-  %t277 = getelementptr inbounds %S.cimport.CImports, ptr %t276, i32 0, i32 2
-  %t278 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t278, ptr %a279
-  %t280 = call i64 @finch_map_find(ptr %t277, ptr %a279, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t281 = icmp sge i64 %t280, 0
-  br label %logic.rend8847
-logic.rend8847:
-  br label %logic.end8844
-logic.end8844:
-  %t282 = phi i1 [ true, %logic.from8842 ], [ %t281, %logic.rend8847 ]
-  br i1 %t282, label %then8848, label %endif8850
-then8848:
+ok9335:
+  %t294 = getelementptr inbounds %S.cimport.Importer, ptr %t292, i32 0, i32 0
+  %t295 = getelementptr inbounds %S.cimport.CImports, ptr %t294, i32 0, i32 2
+  %t296 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t296, ptr %a297
+  %t298 = call i64 @finch_map_find(ptr %t295, ptr %a297, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t299 = icmp sge i64 %t298, 0
+  br label %logic.rend9336
+logic.rend9336:
+  br label %logic.end9333
+logic.end9333:
+  %t300 = phi i1 [ true, %logic.from9331 ], [ %t299, %logic.rend9336 ]
+  br i1 %t300, label %then9337, label %endif9339
+then9337:
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8850:
-  %t283 = load ptr, ptr %a1
-  %t285 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t285, ptr %a286
-  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a284, ptr %a286)
-  %t287 = load %S.C.CXType, ptr %a284
-  %t288 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t283, %S.C.CXType %t287, i1 false, i1 false)
-  store %S.cimport.Mapped %t288, ptr %a289
-  %t290 = getelementptr inbounds %S.cimport.Mapped, ptr %a289, i32 0, i32 2
-  %t291 = load i1, ptr %t290
-  br i1 %t291, label %then8851, label %endif8853
-then8851:
-  %t292 = getelementptr inbounds %S.cimport.Mapped, ptr %a289, i32 0, i32 0
-  %t293 = load %S.ast.Type, ptr %t292
-  %t294 = load ptr, ptr %a1
-  %t295 = icmp eq ptr %t294, null
-  br i1 %t295, label %panic8854, label %ok8855
-panic8854:
-  call void @finch_panic(ptr @.str.6153, i64 480, ptr @.str.6154)
+endif9339:
+  %t301 = load ptr, ptr %a1
+  %t303 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t303, ptr %a304
+  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a302, ptr %a304)
+  %t305 = load %S.C.CXType, ptr %a302
+  %t306 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t301, %S.C.CXType %t305, i1 false, i1 false)
+  store %S.cimport.Mapped %t306, ptr %a307
+  %t308 = getelementptr inbounds %S.cimport.Mapped, ptr %a307, i32 0, i32 2
+  %t309 = load i1, ptr %t308
+  br i1 %t309, label %then9340, label %endif9342
+then9340:
+  %t310 = getelementptr inbounds %S.cimport.Mapped, ptr %a307, i32 0, i32 0
+  %t311 = load %S.ast.Type, ptr %t310
+  %t312 = load ptr, ptr %a1
+  %t313 = icmp eq ptr %t312, null
+  br i1 %t313, label %panic9343, label %ok9344
+panic9343:
+  call void @finch_panic(ptr @.str.6376, i64 484, ptr @.str.6377)
   unreachable
-ok8855:
-  %t296 = getelementptr inbounds %S.cimport.Importer, ptr %t294, i32 0, i32 0
-  %t297 = getelementptr inbounds %S.cimport.CImports, ptr %t296, i32 0, i32 2
-  %t298 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t298, ptr %a299
-  store i32 0, ptr %a300
-  %t301 = call i64 @finch_map_slot(ptr %t297, ptr %a299, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a300)
-  %t302 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t297, i32 0, i32 0
-  %t303 = load ptr, ptr %t302
-  %t304 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t303, i64 %t301
-  %t305 = load i32, ptr %a300
-  %t306 = icmp ne i32 %t305, 0
-  br i1 %t306, label %map.new8856, label %map.have8857
-map.new8856:
-  %t307 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t304, i32 0, i32 1
-  call void @finch_str_copy(ptr %t307, ptr %a299)
-  %t308 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t304, i32 0, i32 2
-  store %S.ast.Type zeroinitializer, ptr %t308
-  br label %map.have8857
-map.have8857:
-  %t309 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t304, i32 0, i32 2
-  store %S.ast.Type %t293, ptr %a310
-  call void @finch.copy.S_ast_Type(ptr %a311, ptr %a310)
-  %t312 = load %S.ast.Type, ptr %a311
-  store %S.ast.Type %t312, ptr %t309
-  br label %endif8853
-endif8853:
-  br label %endif8841
-else8840:
-  %t313 = load i32, ptr %a13
-  %t314 = icmp eq i32 %t313, 2
-  br i1 %t314, label %then8858, label %else8859
-then8858:
-  %t315 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t315, ptr %a316
-  %t317 = call i32 @clang_isCursorDefinition(ptr %a316)
-  %t318 = icmp ne i32 %t317, 0
-  br label %logic.from8861
-logic.from8861:
-  br i1 %t318, label %logic.rhs8862, label %logic.end8863
-logic.rhs8862:
-  %t319 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  %t320 = load i64, ptr %t319
-  %t321 = icmp sgt i64 %t320, 0
-  br label %logic.rend8864
-logic.rend8864:
-  br label %logic.end8863
-logic.end8863:
-  %t322 = phi i1 [ false, %logic.from8861 ], [ %t321, %logic.rend8864 ]
-  br label %logic.from8865
-logic.from8865:
-  br i1 %t322, label %logic.rhs8866, label %logic.end8867
-logic.rhs8866:
-  %t323 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t323, ptr %a324
-  store { ptr, i64, i64 } { ptr @.str.6156, i64 1, i64 0 }, ptr %a326
-  %t327 = call i64 @finch_str_find(ptr %a324, ptr %a326)
-  %t328 = icmp sge i64 %t327, 0
-  %t329 = xor i1 %t328, true
-  br label %logic.rend8868
-logic.rend8868:
-  br label %logic.end8867
-logic.end8867:
-  %t330 = phi i1 [ false, %logic.from8865 ], [ %t329, %logic.rend8868 ]
-  br i1 %t330, label %then8869, label %endif8871
-then8869:
-  %t331 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t331, ptr %a332
-  %t333 = call [2 x i64] @clang_getCursorUSR(ptr %a332)
-  store [2 x i64] %t333, ptr %a334
-  %t335 = load %S.C.CXString, ptr %a334
-  %t336 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t335)
-  store { ptr, i64, i64 } %t336, ptr %a337
-  %t338 = load ptr, ptr %a1
-  %t339 = icmp eq ptr %t338, null
-  br i1 %t339, label %panic8872, label %ok8873
-panic8872:
-  call void @finch_panic(ptr @.str.6157, i64 485, ptr @.str.6158)
+ok9344:
+  %t314 = getelementptr inbounds %S.cimport.Importer, ptr %t312, i32 0, i32 0
+  %t315 = getelementptr inbounds %S.cimport.CImports, ptr %t314, i32 0, i32 2
+  %t316 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t316, ptr %a317
+  store i32 0, ptr %a318
+  %t319 = call i64 @finch_map_slot(ptr %t315, ptr %a317, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a318)
+  %t320 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t315, i32 0, i32 0
+  %t321 = load ptr, ptr %t320
+  %t322 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t321, i64 %t319
+  %t323 = load i32, ptr %a318
+  %t324 = icmp ne i32 %t323, 0
+  br i1 %t324, label %map.new9345, label %map.have9346
+map.new9345:
+  %t325 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t322, i32 0, i32 1
+  call void @finch_str_copy(ptr %t325, ptr %a317)
+  %t326 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t322, i32 0, i32 2
+  store %S.ast.Type zeroinitializer, ptr %t326
+  br label %map.have9346
+map.have9346:
+  %t327 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t322, i32 0, i32 2
+  store %S.ast.Type %t311, ptr %a328
+  call void @finch.copy.S_ast_Type(ptr %a329, ptr %a328)
+  %t330 = load %S.ast.Type, ptr %a329
+  %t331 = load %S.ast.Type, ptr %t327
+  store %S.ast.Type %t330, ptr %t327
+  store %S.ast.Type %t331, ptr %a332
+  call void @finch.drop.S_ast_Type(ptr %a332)
+  br label %endif9342
+endif9342:
+  call void @finch.drop.S_cimport_Mapped(ptr %a307)
+  br label %endif9330
+else9329:
+  %t333 = load i32, ptr %a13
+  %t334 = icmp eq i32 %t333, 2
+  br i1 %t334, label %then9347, label %else9348
+then9347:
+  %t335 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t335, ptr %a336
+  %t337 = call i32 @clang_isCursorDefinition(ptr %a336)
+  %t338 = icmp ne i32 %t337, 0
+  br label %logic.from9350
+logic.from9350:
+  br i1 %t338, label %logic.rhs9351, label %logic.end9352
+logic.rhs9351:
+  %t339 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  %t340 = load i64, ptr %t339
+  %t341 = icmp sgt i64 %t340, 0
+  br label %logic.rend9353
+logic.rend9353:
+  br label %logic.end9352
+logic.end9352:
+  %t342 = phi i1 [ false, %logic.from9350 ], [ %t341, %logic.rend9353 ]
+  br label %logic.from9354
+logic.from9354:
+  br i1 %t342, label %logic.rhs9355, label %logic.end9356
+logic.rhs9355:
+  %t343 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t343, ptr %a344
+  store { ptr, i64, i64 } { ptr @.str.6379, i64 1, i64 0 }, ptr %a346
+  %t347 = call i64 @finch_str_find(ptr %a344, ptr %a346)
+  %t348 = icmp sge i64 %t347, 0
+  %t349 = xor i1 %t348, true
+  br label %logic.rend9357
+logic.rend9357:
+  br label %logic.end9356
+logic.end9356:
+  %t350 = phi i1 [ false, %logic.from9354 ], [ %t349, %logic.rend9357 ]
+  br i1 %t350, label %then9358, label %endif9360
+then9358:
+  %t351 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t351, ptr %a352
+  %t353 = call [2 x i64] @clang_getCursorUSR(ptr %a352)
+  store [2 x i64] %t353, ptr %a354
+  %t355 = load %S.C.CXString, ptr %a354
+  %t356 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t355)
+  store { ptr, i64, i64 } %t356, ptr %a357
+  %t358 = load ptr, ptr %a1
+  %t359 = icmp eq ptr %t358, null
+  br i1 %t359, label %panic9361, label %ok9362
+panic9361:
+  call void @finch_panic(ptr @.str.6380, i64 489, ptr @.str.6381)
   unreachable
-ok8873:
-  %t340 = getelementptr inbounds %S.cimport.Importer, ptr %t338, i32 0, i32 3
-  %t341 = load { ptr, i64, i64 }, ptr %a337
-  store { ptr, i64, i64 } %t341, ptr %a342
-  %t343 = call i64 @finch_map_find(ptr %t340, ptr %a342, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t344 = icmp sge i64 %t343, 0
-  %t345 = xor i1 %t344, true
-  br i1 %t345, label %then8874, label %endif8876
-then8874:
-  %t346 = load { ptr, i64, i64 }, ptr %a9
-  %t347 = load ptr, ptr %a1
-  %t348 = icmp eq ptr %t347, null
-  br i1 %t348, label %panic8877, label %ok8878
-panic8877:
-  call void @finch_panic(ptr @.str.6159, i64 486, ptr @.str.6160)
+ok9362:
+  %t360 = getelementptr inbounds %S.cimport.Importer, ptr %t358, i32 0, i32 3
+  %t361 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t361, ptr %a362
+  %t363 = call i64 @finch_map_find(ptr %t360, ptr %a362, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t364 = icmp sge i64 %t363, 0
+  %t365 = xor i1 %t364, true
+  br i1 %t365, label %then9363, label %endif9365
+then9363:
+  %t366 = load { ptr, i64, i64 }, ptr %a9
+  %t367 = load ptr, ptr %a1
+  %t368 = icmp eq ptr %t367, null
+  br i1 %t368, label %panic9366, label %ok9367
+panic9366:
+  call void @finch_panic(ptr @.str.6382, i64 490, ptr @.str.6383)
   unreachable
-ok8878:
-  %t349 = getelementptr inbounds %S.cimport.Importer, ptr %t347, i32 0, i32 3
-  %t350 = load { ptr, i64, i64 }, ptr %a337
-  store { ptr, i64, i64 } %t350, ptr %a351
-  store i32 0, ptr %a352
-  %t353 = call i64 @finch_map_slot(ptr %t349, ptr %a351, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a352)
-  %t354 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t349, i32 0, i32 0
-  %t355 = load ptr, ptr %t354
-  %t356 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t355, i64 %t353
-  %t357 = load i32, ptr %a352
-  %t358 = icmp ne i32 %t357, 0
-  br i1 %t358, label %map.new8879, label %map.have8880
-map.new8879:
-  %t359 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t356, i32 0, i32 1
-  call void @finch_str_copy(ptr %t359, ptr %a351)
-  %t360 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t356, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t360
-  br label %map.have8880
-map.have8880:
-  %t361 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t356, i32 0, i32 2
-  store { ptr, i64, i64 } %t346, ptr %a362
-  call void @finch_str_copy(ptr %a363, ptr %a362)
-  %t364 = load { ptr, i64, i64 }, ptr %a363
-  store { ptr, i64, i64 } %t364, ptr %t361
-  br label %endif8876
-endif8876:
-  br label %endif8871
-endif8871:
-  br label %endif8860
-else8859:
-  %t365 = load i32, ptr %a13
-  %t366 = icmp eq i32 %t365, 5
-  br i1 %t366, label %then8881, label %else8882
-then8881:
-  %t367 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t367, ptr %a368
-  %t369 = load ptr, ptr %a1
-  %t370 = call i32 @clang_visitChildren(ptr %a368, ptr @finch.c.cimport.visitTop, ptr %t369)
-  br label %endif8883
-else8882:
-  %t371 = load i32, ptr %a13
-  %t372 = icmp eq i32 %t371, 7
-  br i1 %t372, label %then8884, label %else8885
-then8884:
-  %t373 = load ptr, ptr %a1
-  %t374 = icmp eq ptr %t373, null
-  br i1 %t374, label %panic8887, label %ok8888
-panic8887:
-  call void @finch_panic(ptr @.str.6161, i64 492, ptr @.str.6162)
+ok9367:
+  %t369 = getelementptr inbounds %S.cimport.Importer, ptr %t367, i32 0, i32 3
+  %t370 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t370, ptr %a371
+  store i32 0, ptr %a372
+  %t373 = call i64 @finch_map_slot(ptr %t369, ptr %a371, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a372)
+  %t374 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t369, i32 0, i32 0
+  %t375 = load ptr, ptr %t374
+  %t376 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t375, i64 %t373
+  %t377 = load i32, ptr %a372
+  %t378 = icmp ne i32 %t377, 0
+  br i1 %t378, label %map.new9368, label %map.have9369
+map.new9368:
+  %t379 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t376, i32 0, i32 1
+  call void @finch_str_copy(ptr %t379, ptr %a371)
+  %t380 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t376, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t380
+  br label %map.have9369
+map.have9369:
+  %t381 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t376, i32 0, i32 2
+  store { ptr, i64, i64 } %t366, ptr %a382
+  call void @finch_str_copy(ptr %a383, ptr %a382)
+  %t384 = load { ptr, i64, i64 }, ptr %a383
+  %t385 = load { ptr, i64, i64 }, ptr %t381
+  store { ptr, i64, i64 } %t384, ptr %t381
+  store { ptr, i64, i64 } %t385, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  br label %endif9365
+endif9365:
+  call void @finch_str_drop(ptr %a357)
+  br label %endif9360
+endif9360:
+  br label %endif9349
+else9348:
+  %t387 = load i32, ptr %a13
+  %t388 = icmp eq i32 %t387, 5
+  br i1 %t388, label %then9370, label %else9371
+then9370:
+  %t389 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t389, ptr %a390
+  %t391 = load ptr, ptr %a1
+  %t392 = call i32 @clang_visitChildren(ptr %a390, ptr @finch.c.cimport.visitTop, ptr %t391)
+  br label %endif9372
+else9371:
+  %t393 = load i32, ptr %a13
+  %t394 = icmp eq i32 %t393, 7
+  br i1 %t394, label %then9373, label %else9374
+then9373:
+  %t395 = load ptr, ptr %a1
+  %t396 = icmp eq ptr %t395, null
+  br i1 %t396, label %panic9376, label %ok9377
+panic9376:
+  call void @finch_panic(ptr @.str.6384, i64 496, ptr @.str.6385)
   unreachable
-ok8888:
-  %t375 = getelementptr inbounds %S.cimport.Importer, ptr %t373, i32 0, i32 0
-  %t376 = getelementptr inbounds %S.cimport.CImports, ptr %t375, i32 0, i32 1
-  %t377 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t377, ptr %a378
-  %t379 = call i64 @finch_map_find(ptr %t376, ptr %a378, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t380 = icmp sge i64 %t379, 0
-  %t381 = xor i1 %t380, true
-  br i1 %t381, label %then8889, label %endif8891
-then8889:
-  %t382 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t382, ptr %a383
-  %t384 = call i64 @clang_getEnumConstantDeclValue(ptr %a383)
-  %t385 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t384, 1
-  %t386 = load ptr, ptr %a1
-  %t387 = icmp eq ptr %t386, null
-  br i1 %t387, label %panic8892, label %ok8893
-panic8892:
-  call void @finch_panic(ptr @.str.6163, i64 493, ptr @.str.6164)
-  unreachable
-ok8893:
-  %t388 = getelementptr inbounds %S.cimport.Importer, ptr %t386, i32 0, i32 0
-  %t389 = getelementptr inbounds %S.cimport.CImports, ptr %t388, i32 0, i32 1
-  %t390 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t390, ptr %a391
-  store i32 0, ptr %a392
-  %t393 = call i64 @finch_map_slot(ptr %t389, ptr %a391, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a392)
-  %t394 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t389, i32 0, i32 0
-  %t395 = load ptr, ptr %t394
-  %t396 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t395, i64 %t393
-  %t397 = load i32, ptr %a392
-  %t398 = icmp ne i32 %t397, 0
-  br i1 %t398, label %map.new8894, label %map.have8895
-map.new8894:
-  %t399 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t396, i32 0, i32 1
-  call void @finch_str_copy(ptr %t399, ptr %a391)
-  %t400 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t396, i32 0, i32 2
-  store %S.cimport.CConst zeroinitializer, ptr %t400
-  br label %map.have8895
-map.have8895:
-  %t401 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t396, i32 0, i32 2
-  store %S.cimport.CConst %t385, ptr %t401
-  br label %endif8891
-endif8891:
-  br label %endif8886
-else8885:
-  %t402 = load i32, ptr %a13
-  %t403 = icmp eq i32 %t402, 501
-  br i1 %t403, label %then8896, label %endif8898
-then8896:
+ok9377:
+  %t397 = getelementptr inbounds %S.cimport.Importer, ptr %t395, i32 0, i32 0
+  %t398 = getelementptr inbounds %S.cimport.CImports, ptr %t397, i32 0, i32 1
+  %t399 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t399, ptr %a400
+  %t401 = call i64 @finch_map_find(ptr %t398, ptr %a400, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t402 = icmp sge i64 %t401, 0
+  %t403 = xor i1 %t402, true
+  br i1 %t403, label %then9378, label %endif9380
+then9378:
   %t404 = load %S.C.CXCursor, ptr %a2
   store %S.C.CXCursor %t404, ptr %a405
-  %t406 = call i32 @clang_Cursor_isMacroBuiltin(ptr %a405)
-  %t407 = icmp ne i32 %t406, 0
-  br label %logic.from8899
-logic.from8899:
-  br i1 %t407, label %logic.end8901, label %logic.rhs8900
-logic.rhs8900:
-  %t408 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t408, ptr %a409
-  %t410 = call i32 @clang_Cursor_isMacroFunctionLike(ptr %a409)
-  %t411 = icmp ne i32 %t410, 0
-  br label %logic.rend8902
-logic.rend8902:
-  br label %logic.end8901
-logic.end8901:
-  %t412 = phi i1 [ true, %logic.from8899 ], [ %t411, %logic.rend8902 ]
-  br i1 %t412, label %then8903, label %endif8905
-then8903:
+  %t406 = call i64 @clang_getEnumConstantDeclValue(ptr %a405)
+  %t407 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t406, 1
+  %t408 = load ptr, ptr %a1
+  %t409 = icmp eq ptr %t408, null
+  br i1 %t409, label %panic9381, label %ok9382
+panic9381:
+  call void @finch_panic(ptr @.str.6386, i64 497, ptr @.str.6387)
+  unreachable
+ok9382:
+  %t410 = getelementptr inbounds %S.cimport.Importer, ptr %t408, i32 0, i32 0
+  %t411 = getelementptr inbounds %S.cimport.CImports, ptr %t410, i32 0, i32 1
+  %t412 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t412, ptr %a413
+  store i32 0, ptr %a414
+  %t415 = call i64 @finch_map_slot(ptr %t411, ptr %a413, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a414)
+  %t416 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t411, i32 0, i32 0
+  %t417 = load ptr, ptr %t416
+  %t418 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t417, i64 %t415
+  %t419 = load i32, ptr %a414
+  %t420 = icmp ne i32 %t419, 0
+  br i1 %t420, label %map.new9383, label %map.have9384
+map.new9383:
+  %t421 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t418, i32 0, i32 1
+  call void @finch_str_copy(ptr %t421, ptr %a413)
+  %t422 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t418, i32 0, i32 2
+  store %S.cimport.CConst zeroinitializer, ptr %t422
+  br label %map.have9384
+map.have9384:
+  %t423 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t418, i32 0, i32 2
+  %t424 = load %S.cimport.CConst, ptr %t423
+  store %S.cimport.CConst %t407, ptr %t423
+  store %S.cimport.CConst %t424, ptr %a425
+  call void @finch.drop.S_cimport_CConst(ptr %a425)
+  br label %endif9380
+endif9380:
+  br label %endif9375
+else9374:
+  %t426 = load i32, ptr %a13
+  %t427 = icmp eq i32 %t426, 501
+  br i1 %t427, label %then9385, label %endif9387
+then9385:
+  %t428 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t428, ptr %a429
+  %t430 = call i32 @clang_Cursor_isMacroBuiltin(ptr %a429)
+  %t431 = icmp ne i32 %t430, 0
+  br label %logic.from9388
+logic.from9388:
+  br i1 %t431, label %logic.end9390, label %logic.rhs9389
+logic.rhs9389:
+  %t432 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t432, ptr %a433
+  %t434 = call i32 @clang_Cursor_isMacroFunctionLike(ptr %a433)
+  %t435 = icmp ne i32 %t434, 0
+  br label %logic.rend9391
+logic.rend9391:
+  br label %logic.end9390
+logic.end9390:
+  %t436 = phi i1 [ true, %logic.from9388 ], [ %t435, %logic.rend9391 ]
+  br i1 %t436, label %then9392, label %endif9394
+then9392:
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8905:
-  %t413 = load ptr, ptr %a1
-  %t414 = load %S.C.CXCursor, ptr %a2
-  %t415 = call %S.cimport.Number @finch.cimport.macroValue(ptr %t413, %S.C.CXCursor %t414)
-  store %S.cimport.Number %t415, ptr %a416
-  %t417 = getelementptr inbounds %S.cimport.Number, ptr %a416, i32 0, i32 1
-  %t418 = load i1, ptr %t417
-  br label %logic.from8906
-logic.from8906:
-  br i1 %t418, label %logic.rhs8907, label %logic.end8908
-logic.rhs8907:
-  %t419 = load ptr, ptr %a1
-  %t420 = icmp eq ptr %t419, null
-  br i1 %t420, label %panic8909, label %ok8910
-panic8909:
-  call void @finch_panic(ptr @.str.6165, i64 500, ptr @.str.6166)
+endif9394:
+  %t437 = load ptr, ptr %a1
+  %t438 = load %S.C.CXCursor, ptr %a2
+  %t439 = call %S.cimport.Number @finch.cimport.macroValue(ptr %t437, %S.C.CXCursor %t438)
+  store %S.cimport.Number %t439, ptr %a440
+  %t441 = getelementptr inbounds %S.cimport.Number, ptr %a440, i32 0, i32 1
+  %t442 = load i1, ptr %t441
+  br label %logic.from9395
+logic.from9395:
+  br i1 %t442, label %logic.rhs9396, label %logic.end9397
+logic.rhs9396:
+  %t443 = load ptr, ptr %a1
+  %t444 = icmp eq ptr %t443, null
+  br i1 %t444, label %panic9398, label %ok9399
+panic9398:
+  call void @finch_panic(ptr @.str.6388, i64 504, ptr @.str.6389)
   unreachable
-ok8910:
-  %t421 = getelementptr inbounds %S.cimport.Importer, ptr %t419, i32 0, i32 0
-  %t422 = getelementptr inbounds %S.cimport.CImports, ptr %t421, i32 0, i32 1
-  %t423 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t423, ptr %a424
-  %t425 = call i64 @finch_map_find(ptr %t422, ptr %a424, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t426 = icmp sge i64 %t425, 0
-  %t427 = xor i1 %t426, true
-  br label %logic.rend8911
-logic.rend8911:
-  br label %logic.end8908
-logic.end8908:
-  %t428 = phi i1 [ false, %logic.from8906 ], [ %t427, %logic.rend8911 ]
-  br i1 %t428, label %then8912, label %endif8914
-then8912:
-  %t429 = getelementptr inbounds %S.cimport.Number, ptr %a416, i32 0, i32 0
-  %t430 = load %S.cimport.CConst, ptr %t429
-  %t431 = load ptr, ptr %a1
-  %t432 = icmp eq ptr %t431, null
-  br i1 %t432, label %panic8915, label %ok8916
-panic8915:
-  call void @finch_panic(ptr @.str.6167, i64 501, ptr @.str.6168)
+ok9399:
+  %t445 = getelementptr inbounds %S.cimport.Importer, ptr %t443, i32 0, i32 0
+  %t446 = getelementptr inbounds %S.cimport.CImports, ptr %t445, i32 0, i32 1
+  %t447 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t447, ptr %a448
+  %t449 = call i64 @finch_map_find(ptr %t446, ptr %a448, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t450 = icmp sge i64 %t449, 0
+  %t451 = xor i1 %t450, true
+  br label %logic.rend9400
+logic.rend9400:
+  br label %logic.end9397
+logic.end9397:
+  %t452 = phi i1 [ false, %logic.from9395 ], [ %t451, %logic.rend9400 ]
+  br i1 %t452, label %then9401, label %endif9403
+then9401:
+  %t453 = getelementptr inbounds %S.cimport.Number, ptr %a440, i32 0, i32 0
+  %t454 = load %S.cimport.CConst, ptr %t453
+  %t455 = load ptr, ptr %a1
+  %t456 = icmp eq ptr %t455, null
+  br i1 %t456, label %panic9404, label %ok9405
+panic9404:
+  call void @finch_panic(ptr @.str.6390, i64 505, ptr @.str.6391)
   unreachable
-ok8916:
-  %t433 = getelementptr inbounds %S.cimport.Importer, ptr %t431, i32 0, i32 0
-  %t434 = getelementptr inbounds %S.cimport.CImports, ptr %t433, i32 0, i32 1
-  %t435 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t435, ptr %a436
-  store i32 0, ptr %a437
-  %t438 = call i64 @finch_map_slot(ptr %t434, ptr %a436, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a437)
-  %t439 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t434, i32 0, i32 0
-  %t440 = load ptr, ptr %t439
-  %t441 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t440, i64 %t438
-  %t442 = load i32, ptr %a437
-  %t443 = icmp ne i32 %t442, 0
-  br i1 %t443, label %map.new8917, label %map.have8918
-map.new8917:
-  %t444 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t441, i32 0, i32 1
-  call void @finch_str_copy(ptr %t444, ptr %a436)
-  %t445 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t441, i32 0, i32 2
-  store %S.cimport.CConst zeroinitializer, ptr %t445
-  br label %map.have8918
-map.have8918:
-  %t446 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t441, i32 0, i32 2
-  store %S.cimport.CConst %t430, ptr %a447
-  call void @finch.copy.S_cimport_CConst(ptr %a448, ptr %a447)
-  %t449 = load %S.cimport.CConst, ptr %a448
-  store %S.cimport.CConst %t449, ptr %t446
-  br label %endif8914
-endif8914:
-  br label %endif8898
-endif8898:
-  br label %endif8886
-endif8886:
-  br label %endif8883
-endif8883:
-  br label %endif8860
-endif8860:
-  br label %endif8841
-endif8841:
-  br label %endif8800
-endif8800:
-  br label %endif8769
-endif8769:
+ok9405:
+  %t457 = getelementptr inbounds %S.cimport.Importer, ptr %t455, i32 0, i32 0
+  %t458 = getelementptr inbounds %S.cimport.CImports, ptr %t457, i32 0, i32 1
+  %t459 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t459, ptr %a460
+  store i32 0, ptr %a461
+  %t462 = call i64 @finch_map_slot(ptr %t458, ptr %a460, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a461)
+  %t463 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t458, i32 0, i32 0
+  %t464 = load ptr, ptr %t463
+  %t465 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t464, i64 %t462
+  %t466 = load i32, ptr %a461
+  %t467 = icmp ne i32 %t466, 0
+  br i1 %t467, label %map.new9406, label %map.have9407
+map.new9406:
+  %t468 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t465, i32 0, i32 1
+  call void @finch_str_copy(ptr %t468, ptr %a460)
+  %t469 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t465, i32 0, i32 2
+  store %S.cimport.CConst zeroinitializer, ptr %t469
+  br label %map.have9407
+map.have9407:
+  %t470 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t465, i32 0, i32 2
+  store %S.cimport.CConst %t454, ptr %a471
+  call void @finch.copy.S_cimport_CConst(ptr %a472, ptr %a471)
+  %t473 = load %S.cimport.CConst, ptr %a472
+  %t474 = load %S.cimport.CConst, ptr %t470
+  store %S.cimport.CConst %t473, ptr %t470
+  store %S.cimport.CConst %t474, ptr %a475
+  call void @finch.drop.S_cimport_CConst(ptr %a475)
+  br label %endif9403
+endif9403:
+  call void @finch.drop.S_cimport_Number(ptr %a440)
+  br label %endif9387
+endif9387:
+  br label %endif9375
+endif9375:
+  br label %endif9372
+endif9372:
+  br label %endif9349
+endif9349:
+  br label %endif9330
+endif9330:
+  br label %endif9289
+endif9289:
+  br label %endif9258
+endif9258:
+  call void @finch_str_drop(ptr %a9)
+  ret void
+}
+
+define internal void @finch.drop.map_str_str(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond9411
+n.cond9411:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body9412, label %n.end9413
+n.body9412:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live9414, label %entry.next9415
+entry.live9414:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t8, i32 0, i32 2
+  call void @finch_str_drop(ptr %t13)
+  br label %entry.next9415
+entry.next9415:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond9411
+n.end9413:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.map_str_bool(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond9416
+n.cond9416:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body9417, label %n.end9418
+n.body9417:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live9419, label %entry.next9420
+entry.live9419:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t8, i32 0, i32 2
+  br label %entry.next9420
+entry.next9420:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond9416
+n.end9418:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_Importer(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_cimport_CImports(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 3
+  call void @finch.drop.map_str_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 4
+  call void @finch.drop.map_str_bool(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_ptr(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
   ret void
 }
 
@@ -80690,80 +96997,94 @@ entry:
   %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca %S.C.CXUnsavedFile, align 16
-  %a147 = alloca ptr, align 16
-  %a149 = alloca i64, align 16
-  %a162 = alloca i32, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca %S.C.CXUnsavedFile, align 16
+  %a148 = alloca ptr, align 16
+  %a150 = alloca i64, align 16
+  %a163 = alloca i32, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca i64, align 16
-  %a190 = alloca i64, align 16
-  %a197 = alloca ptr, align 16
-  %a203 = alloca [32 x i8], align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca i64, align 16
+  %a193 = alloca i64, align 16
+  %a200 = alloca ptr, align 16
+  %a206 = alloca [32 x i8], align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
   %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
   %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
   %a298 = alloca { ptr, i64, i64 }, align 16
   %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca %S.C.CXCursor, align 16
-  %a316 = alloca %S.C.CXCursor, align 16
-  %a324 = alloca %S.cimport.CImports, align 16
-  %a325 = alloca %S.cimport.CImports, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca %S.C.CXCursor, align 16
+  %a331 = alloca %S.C.CXCursor, align 16
+  %a339 = alloca %S.cimport.CImports, align 16
+  %a340 = alloca %S.cimport.CImports, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -80773,25 +97094,26 @@ entry:
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = icmp eq i64 %t8, 0
-  br i1 %t9, label %then8919, label %endif8921
-then8919:
+  br i1 %t9, label %then9408, label %endif9410
+then9408:
   %t10 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 0
   %t11 = load %S.cimport.CImports, ptr %t10
   store %S.cimport.CImports %t11, ptr %a12
   call void @finch.copy.S_cimport_CImports(ptr %a13, ptr %a12)
   %t14 = load %S.cimport.CImports, ptr %a13
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
   %t15 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t16 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t15, %S.cimport.CImports %t14, 1
   ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t16
-endif8921:
+endif9410:
   %t17 = mul i64 3, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t18 = call ptr @finch_alloc(i64 %t17)
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 0
-  store { ptr, i64, i64 } { ptr @.str.6169, i64 2, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.6392, i64 2, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 1
-  store { ptr, i64, i64 } { ptr @.str.6170, i64 1, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.6393, i64 1, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 2
-  store { ptr, i64, i64 } { ptr @.str.6171, i64 10, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.6394, i64 10, i64 0 }, ptr %t21
   %t22 = insertvalue { ptr, i64, i64 } undef, ptr %t18, 0
   %t23 = insertvalue { ptr, i64, i64 } %t22, i64 3, 1
   %t24 = insertvalue { ptr, i64, i64 } %t23, i64 3, 2
@@ -80799,11 +97121,11 @@ endif8921:
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t27 = load i64, ptr %t26
   %t28 = icmp sgt i64 %t27, 0
-  br i1 %t28, label %then8922, label %endif8924
-then8922:
+  br i1 %t28, label %then9421, label %endif9423
+then9421:
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t30 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6172, i64 9, i64 0 }, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.6395, i64 9, i64 0 }, ptr %a32
   store { ptr, i64, i64 } %t30, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
   %t34 = load { ptr, i64, i64 }, ptr %a31
@@ -80814,37 +97136,37 @@ then8922:
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t35
   store { ptr, i64, i64 } %t34, ptr %t38
   store i64 %t36, ptr %t29
-  br label %endif8924
-endif8924:
+  br label %endif9423
+endif9423:
   %t39 = load i1, ptr %a4
-  br i1 %t39, label %then8925, label %endif8927
-then8925:
+  br i1 %t39, label %then9424, label %endif9426
+then9424:
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t41 = load i64, ptr %t40
   %t42 = add i64 %t41, 1
   call void @finch_arr_reserve(ptr %a25, i64 %t42, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t43 = load ptr, ptr %a25
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
-  store { ptr, i64, i64 } { ptr @.str.6173, i64 19, i64 0 }, ptr %t44
+  store { ptr, i64, i64 } { ptr @.str.6396, i64 19, i64 0 }, ptr %t44
   store i64 %t42, ptr %t40
-  br label %endif8927
-endif8927:
+  br label %endif9426
+endif9426:
   store i64 0, ptr %a45
-  br label %each.cond8928
-each.cond8928:
+  br label %each.cond9427
+each.cond9427:
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = load i64, ptr %a45
   %t49 = icmp slt i64 %t48, %t47
-  br i1 %t49, label %each.body8929, label %each.end8931
-each.body8929:
+  br i1 %t49, label %each.body9428, label %each.end9430
+each.body9428:
   %t50 = load ptr, ptr %a2
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t48
   %t52 = load { ptr, i64, i64 }, ptr %t51
   store { ptr, i64, i64 } %t52, ptr %a53
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t55 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.6174, i64 2, i64 0 }, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.6397, i64 2, i64 0 }, ptr %a57
   store { ptr, i64, i64 } %t55, ptr %a58
   call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
   %t59 = load { ptr, i64, i64 }, ptr %a56
@@ -80855,25 +97177,25 @@ each.body8929:
   %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t62, i64 %t60
   store { ptr, i64, i64 } %t59, ptr %t63
   store i64 %t61, ptr %t54
-  br label %each.step8930
-each.step8930:
+  br label %each.step9429
+each.step9429:
   %t64 = load i64, ptr %a45
   %t65 = add i64 %t64, 1
   store i64 %t65, ptr %a45
-  br label %each.cond8928
-each.end8931:
+  br label %each.cond9427
+each.end9430:
   %t66 = load { ptr, i64, i64 }, ptr %a5
   %t67 = call { ptr, i64, i64 } @finch.cimport.systemIncludeArgs({ ptr, i64, i64 } %t66)
   store { ptr, i64, i64 } %t67, ptr %a68
   store i64 0, ptr %a69
-  br label %each.cond8932
-each.cond8932:
+  br label %each.cond9431
+each.cond9431:
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %a68, i32 0, i32 1
   %t71 = load i64, ptr %t70
   %t72 = load i64, ptr %a69
   %t73 = icmp slt i64 %t72, %t71
-  br i1 %t73, label %each.body8933, label %each.end8935
-each.body8933:
+  br i1 %t73, label %each.body9432, label %each.end9434
+each.body9432:
   %t74 = load ptr, ptr %a68
   %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t74, i64 %t72
   %t76 = load { ptr, i64, i64 }, ptr %t75
@@ -80890,39 +97212,40 @@ each.body8933:
   %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i64 %t83
   store { ptr, i64, i64 } %t82, ptr %t86
   store i64 %t84, ptr %t78
-  br label %each.step8934
-each.step8934:
+  br label %each.step9433
+each.step9433:
   %t87 = load i64, ptr %a69
   %t88 = add i64 %t87, 1
   store i64 %t88, ptr %a69
-  br label %each.cond8932
-each.end8935:
+  br label %each.cond9431
+each.end9434:
+  call void @finch.drop.arr_str(ptr %a68)
   store { ptr, i64, i64 } zeroinitializer, ptr %a89
   %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t91 = load i64, ptr %t90
   store i64 0, ptr %a92
-  br label %for.cond8936
-for.cond8936:
+  br label %for.cond9435
+for.cond9435:
   %t93 = load i64, ptr %a92
   %t94 = icmp slt i64 %t93, %t91
-  br i1 %t94, label %for.body8937, label %for.end8939
-for.body8937:
+  br i1 %t94, label %for.body9436, label %for.end9438
+for.body9436:
   %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a89, i32 0, i32 1
   %t96 = load i64, ptr %a92
   %t97 = load { ptr, i64, i64 }, ptr %a25
   %t98 = extractvalue { ptr, i64, i64 } %t97, 1
   %t99 = icmp uge i64 %t96, %t98
-  br i1 %t99, label %range8940, label %inrange8941
-range8940:
-  call void @finch_panic_index(ptr @.str.6175, i64 528, i64 %t96, i64 %t98)
+  br i1 %t99, label %range9439, label %inrange9440
+range9439:
+  call void @finch_panic_index(ptr @.str.6398, i64 532, i64 %t96, i64 %t98)
   unreachable
-inrange8941:
+inrange9440:
   %t100 = extractvalue { ptr, i64, i64 } %t97, 0
   %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i64 %t96
   %t102 = load { ptr, i64, i64 }, ptr %t101
   %t103 = extractvalue { ptr, i64, i64 } %t102, 0
   %t104 = icmp eq ptr %t103, null
-  %t105 = select i1 %t104, ptr @.str.6176, ptr %t103
+  %t105 = select i1 %t104, ptr @.str.6399, ptr %t103
   %t106 = load i64, ptr %t95
   %t107 = add i64 %t106, 1
   call void @finch_arr_reserve(ptr %a89, i64 %t107, i64 ptrtoint (ptr getelementptr (ptr, ptr null, i32 1) to i64))
@@ -80930,277 +97253,684 @@ inrange8941:
   %t109 = getelementptr inbounds ptr, ptr %t108, i64 %t106
   store ptr %t105, ptr %t109
   store i64 %t107, ptr %t95
-  br label %for.step8938
-for.step8938:
+  br label %for.step9437
+for.step9437:
   %t110 = load i64, ptr %a92
   %t111 = add i64 %t110, 1
   store i64 %t111, ptr %a92
-  br label %for.cond8936
-for.end8939:
+  br label %for.cond9435
+for.end9438:
   %t112 = call ptr @clang_createIndex(i32 0, i32 0)
   store ptr %t112, ptr %a113
   store i64 0, ptr %a114
-  br label %each.cond8942
-each.cond8942:
+  br label %each.cond9441
+each.cond9441:
   %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t116 = load i64, ptr %t115
   %t117 = load i64, ptr %a114
   %t118 = icmp slt i64 %t117, %t116
-  br i1 %t118, label %each.body8943, label %each.end8945
-each.body8943:
+  br i1 %t118, label %each.body9442, label %each.end9444
+each.body9442:
   %t119 = load ptr, ptr %a1
   %t120 = getelementptr inbounds %S.cimport.Header, ptr %t119, i64 %t117
   %t121 = load %S.cimport.Header, ptr %t120
   store %S.cimport.Header %t121, ptr %a122
   %t123 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
   %t124 = load { ptr, i64, i64 }, ptr %t123
-  store { ptr, i64, i64 } { ptr @.str.6177, i64 10, i64 0 }, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.6400, i64 10, i64 0 }, ptr %a126
   store { ptr, i64, i64 } %t124, ptr %a127
   call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
   %t128 = load { ptr, i64, i64 }, ptr %a125
   store { ptr, i64, i64 } %t128, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.6178, i64 2, i64 0 }, ptr %a131
+  store { ptr, i64, i64 } { ptr @.str.6401, i64 2, i64 0 }, ptr %a131
   call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
-  %t132 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t132, ptr %a133
-  %t134 = extractvalue { ptr, i64, i64 } { ptr @.str.6179, i64 14, i64 0 }, 0
-  %t135 = icmp eq ptr %t134, null
-  %t136 = select i1 %t135, ptr @.str.6180, ptr %t134
-  %t137 = insertvalue %S.C.CXUnsavedFile zeroinitializer, ptr %t136, 0
-  %t138 = load { ptr, i64, i64 }, ptr %a133
-  %t139 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t140 = icmp eq ptr %t139, null
-  %t141 = select i1 %t140, ptr @.str.6181, ptr %t139
-  %t142 = insertvalue %S.C.CXUnsavedFile %t137, ptr %t141, 1
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %a133, i32 0, i32 1
-  %t144 = load i64, ptr %t143
-  %t145 = insertvalue %S.C.CXUnsavedFile %t142, i64 %t144, 2
-  store %S.C.CXUnsavedFile %t145, ptr %a146
-  store ptr null, ptr %a147
-  %t148 = or i64 1, 64
-  store i64 %t148, ptr %a149
-  %t150 = load ptr, ptr %a113
-  %t151 = extractvalue { ptr, i64, i64 } { ptr @.str.6182, i64 14, i64 0 }, 0
-  %t152 = icmp eq ptr %t151, null
-  %t153 = select i1 %t152, ptr @.str.6183, ptr %t151
-  %t154 = load { ptr, i64, i64 }, ptr %a89
-  %t155 = extractvalue { ptr, i64, i64 } %t154, 0
-  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %a89, i32 0, i32 1
-  %t157 = load i64, ptr %t156
-  %t158 = trunc i64 %t157 to i32
-  %t159 = load i64, ptr %a149
-  %t160 = trunc i64 %t159 to i32
-  %t161 = call i32 @clang_parseTranslationUnit2(ptr %t150, ptr %t153, ptr %t155, i32 %t158, ptr %a146, i32 1, i32 %t160, ptr %a147)
-  store i32 %t161, ptr %a162
-  %t163 = load i32, ptr %a162
-  %t164 = icmp ne i32 %t163, 0
-  br label %logic.from8946
-logic.from8946:
-  br i1 %t164, label %logic.end8948, label %logic.rhs8947
-logic.rhs8947:
-  %t165 = load ptr, ptr %a147
-  %t166 = icmp eq ptr %t165, null
-  br label %logic.rend8949
-logic.rend8949:
-  br label %logic.end8948
-logic.end8948:
-  %t167 = phi i1 [ true, %logic.from8946 ], [ %t166, %logic.rend8949 ]
-  br i1 %t167, label %then8950, label %endif8952
-then8950:
-  %t168 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t169 = load { ptr, i64, i64 }, ptr %t168
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.6184, i64 33, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  store { ptr, i64, i64 } %t173, ptr %a177
-  store { ptr, i64, i64 } %t175, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  store { ptr, i64, i64 } %t179, ptr %a181
-  store { ptr, i64, i64 } { ptr @.str.6185, i64 1, i64 0 }, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  %t184 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t183, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t184
-endif8952:
-  %t185 = load ptr, ptr %a147
-  %t186 = call i32 @clang_getNumDiagnostics(ptr %t185)
-  %t187 = zext i32 %t186 to i64
-  store i64 %t187, ptr %a188
-  %t189 = load i64, ptr %a188
-  store i64 0, ptr %a190
-  br label %for.cond8953
-for.cond8953:
-  %t191 = load i64, ptr %a190
-  %t192 = icmp slt i64 %t191, %t189
-  br i1 %t192, label %for.body8954, label %for.end8956
-for.body8954:
-  %t193 = load ptr, ptr %a147
-  %t194 = load i64, ptr %a190
-  %t195 = trunc i64 %t194 to i32
-  %t196 = call ptr @clang_getDiagnostic(ptr %t193, i32 %t195)
-  store ptr %t196, ptr %a197
-  %t198 = load ptr, ptr %a197
-  %t199 = call i32 @clang_getDiagnosticSeverity(ptr %t198)
-  %t200 = icmp sge i32 %t199, 3
-  br i1 %t200, label %then8957, label %endif8959
-then8957:
-  %t201 = load ptr, ptr %a197
-  %t202 = call [2 x i64] @clang_getDiagnosticSpelling(ptr %t201)
-  store [2 x i64] %t202, ptr %a203
-  %t204 = load %S.C.CXString, ptr %a203
-  %t205 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t204)
-  store { ptr, i64, i64 } %t205, ptr %a206
-  %t207 = load ptr, ptr %a197
-  call void @clang_disposeDiagnostic(ptr %t207)
-  %t208 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t128, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t133, ptr %a134
+  %t135 = extractvalue { ptr, i64, i64 } { ptr @.str.6402, i64 14, i64 0 }, 0
+  %t136 = icmp eq ptr %t135, null
+  %t137 = select i1 %t136, ptr @.str.6403, ptr %t135
+  %t138 = insertvalue %S.C.CXUnsavedFile zeroinitializer, ptr %t137, 0
+  %t139 = load { ptr, i64, i64 }, ptr %a134
+  %t140 = extractvalue { ptr, i64, i64 } %t139, 0
+  %t141 = icmp eq ptr %t140, null
+  %t142 = select i1 %t141, ptr @.str.6404, ptr %t140
+  %t143 = insertvalue %S.C.CXUnsavedFile %t138, ptr %t142, 1
+  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %a134, i32 0, i32 1
+  %t145 = load i64, ptr %t144
+  %t146 = insertvalue %S.C.CXUnsavedFile %t143, i64 %t145, 2
+  store %S.C.CXUnsavedFile %t146, ptr %a147
+  store ptr null, ptr %a148
+  %t149 = or i64 1, 64
+  store i64 %t149, ptr %a150
+  %t151 = load ptr, ptr %a113
+  %t152 = extractvalue { ptr, i64, i64 } { ptr @.str.6405, i64 14, i64 0 }, 0
+  %t153 = icmp eq ptr %t152, null
+  %t154 = select i1 %t153, ptr @.str.6406, ptr %t152
+  %t155 = load { ptr, i64, i64 }, ptr %a89
+  %t156 = extractvalue { ptr, i64, i64 } %t155, 0
+  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %a89, i32 0, i32 1
+  %t158 = load i64, ptr %t157
+  %t159 = trunc i64 %t158 to i32
+  %t160 = load i64, ptr %a150
+  %t161 = trunc i64 %t160 to i32
+  %t162 = call i32 @clang_parseTranslationUnit2(ptr %t151, ptr %t154, ptr %t156, i32 %t159, ptr %a147, i32 1, i32 %t161, ptr %a148)
+  store i32 %t162, ptr %a163
+  %t164 = load i32, ptr %a163
+  %t165 = icmp ne i32 %t164, 0
+  br label %logic.from9445
+logic.from9445:
+  br i1 %t165, label %logic.end9447, label %logic.rhs9446
+logic.rhs9446:
+  %t166 = load ptr, ptr %a148
+  %t167 = icmp eq ptr %t166, null
+  br label %logic.rend9448
+logic.rend9448:
+  br label %logic.end9447
+logic.end9447:
+  %t168 = phi i1 [ true, %logic.from9445 ], [ %t167, %logic.rend9448 ]
+  br i1 %t168, label %then9449, label %endif9451
+then9449:
+  %t169 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.6407, i64 33, i64 0 }, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  %t174 = load { ptr, i64, i64 }, ptr %a171
+  %t175 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t176 = load { ptr, i64, i64 }, ptr %t175
+  store { ptr, i64, i64 } %t174, ptr %a178
+  store { ptr, i64, i64 } %t176, ptr %a179
+  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
+  store { ptr, i64, i64 } %t174, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a177
+  store { ptr, i64, i64 } %t181, ptr %a183
+  store { ptr, i64, i64 } { ptr @.str.6408, i64 1, i64 0 }, ptr %a184
+  call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
+  store { ptr, i64, i64 } %t181, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a182
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t187 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t186, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t187
+endif9451:
+  %t188 = load ptr, ptr %a148
+  %t189 = call i32 @clang_getNumDiagnostics(ptr %t188)
+  %t190 = zext i32 %t189 to i64
+  store i64 %t190, ptr %a191
+  %t192 = load i64, ptr %a191
+  store i64 0, ptr %a193
+  br label %for.cond9452
+for.cond9452:
+  %t194 = load i64, ptr %a193
+  %t195 = icmp slt i64 %t194, %t192
+  br i1 %t195, label %for.body9453, label %for.end9455
+for.body9453:
+  %t196 = load ptr, ptr %a148
+  %t197 = load i64, ptr %a193
+  %t198 = trunc i64 %t197 to i32
+  %t199 = call ptr @clang_getDiagnostic(ptr %t196, i32 %t198)
+  store ptr %t199, ptr %a200
+  %t201 = load ptr, ptr %a200
+  %t202 = call i32 @clang_getDiagnosticSeverity(ptr %t201)
+  %t203 = icmp sge i32 %t202, 3
+  br i1 %t203, label %then9456, label %endif9458
+then9456:
+  %t204 = load ptr, ptr %a200
+  %t205 = call [2 x i64] @clang_getDiagnosticSpelling(ptr %t204)
+  store [2 x i64] %t205, ptr %a206
+  %t207 = load %S.C.CXString, ptr %a206
+  %t208 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t207)
   store { ptr, i64, i64 } %t208, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.6187, i64 14, i64 0 }, ptr %a211
-  %t212 = call i64 @finch_str_find(ptr %a209, ptr %a211)
-  %t213 = icmp sge i64 %t212, 0
-  br i1 %t213, label %then8960, label %endif8962
-then8960:
-  %t214 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t214, ptr %a215
-  %t217 = load { ptr, i64, i64 }, ptr %a206
+  %t210 = load ptr, ptr %a200
+  call void @clang_disposeDiagnostic(ptr %t210)
+  %t211 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t211, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.6410, i64 14, i64 0 }, ptr %a214
+  %t215 = call i64 @finch_str_find(ptr %a212, ptr %a214)
+  %t216 = icmp sge i64 %t215, 0
+  br i1 %t216, label %then9459, label %endif9461
+then9459:
+  %t217 = load { ptr, i64, i64 }, ptr %a209
   store { ptr, i64, i64 } %t217, ptr %a218
-  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %a206, i32 0, i32 1
-  %t221 = load i64, ptr %t220
-  call void @finch_str_sub(ptr %a219, ptr %a218, i64 1, i64 %t221, ptr @.str.6189, i64 548)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  store { ptr, i64, i64 } %t222, ptr %a223
-  store { ptr, i64, i64 } { ptr @.str.6191, i64 1, i64 0 }, ptr %a225
-  %t226 = call i64 @finch_str_find(ptr %a223, ptr %a225)
-  %t227 = add i64 %t226, 1
-  call void @finch_str_sub(ptr %a216, ptr %a215, i64 1, i64 %t227, ptr @.str.6188, i64 548)
-  %t228 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t228, ptr %a229
-  %t230 = load { ptr, i64, i64 }, ptr %a229
-  %t231 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t232 = load { ptr, i64, i64 }, ptr %t231
-  store { ptr, i64, i64 } %t230, ptr %a233
-  store { ptr, i64, i64 } %t232, ptr %a234
-  %t235 = call i32 @finch_str_eq(ptr %a233, ptr %a234)
-  %t236 = icmp ne i32 %t235, 0
-  br i1 %t236, label %then8963, label %endif8965
-then8963:
-  %t237 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %t237
-  store { ptr, i64, i64 } %t238, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.6192, i64 34, i64 0 }, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  %t243 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t244 = load { ptr, i64, i64 }, ptr %t243
-  store { ptr, i64, i64 } %t242, ptr %a246
-  store { ptr, i64, i64 } %t244, ptr %a247
-  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
-  %t248 = load { ptr, i64, i64 }, ptr %a245
-  store { ptr, i64, i64 } %t248, ptr %a250
-  store { ptr, i64, i64 } { ptr @.str.6193, i64 1, i64 0 }, ptr %a251
+  %t220 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t220, ptr %a221
+  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %a209, i32 0, i32 1
+  %t224 = load i64, ptr %t223
+  call void @finch_str_sub(ptr %a222, ptr %a221, i64 1, i64 %t224, ptr @.str.6412, i64 552)
+  %t225 = load { ptr, i64, i64 }, ptr %a222
+  store { ptr, i64, i64 } %t225, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.6414, i64 1, i64 0 }, ptr %a228
+  %t229 = call i64 @finch_str_find(ptr %a226, ptr %a228)
+  store { ptr, i64, i64 } %t225, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = add i64 %t229, 1
+  call void @finch_str_sub(ptr %a219, ptr %a218, i64 1, i64 %t231, ptr @.str.6411, i64 552)
+  %t232 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t232, ptr %a233
+  %t234 = load { ptr, i64, i64 }, ptr %a233
+  %t235 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t236 = load { ptr, i64, i64 }, ptr %t235
+  store { ptr, i64, i64 } %t234, ptr %a237
+  store { ptr, i64, i64 } %t236, ptr %a238
+  %t239 = call i32 @finch_str_eq(ptr %a237, ptr %a238)
+  %t240 = icmp ne i32 %t239, 0
+  br i1 %t240, label %then9462, label %endif9464
+then9462:
+  %t241 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a244
+  store { ptr, i64, i64 } { ptr @.str.6415, i64 34, i64 0 }, ptr %a245
+  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
+  %t246 = load { ptr, i64, i64 }, ptr %a243
+  %t247 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t248 = load { ptr, i64, i64 }, ptr %t247
+  store { ptr, i64, i64 } %t246, ptr %a250
+  store { ptr, i64, i64 } %t248, ptr %a251
   call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  %t253 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t252, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t253
-endif8965:
-  %t254 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t255 = load { ptr, i64, i64 }, ptr %t254
-  store { ptr, i64, i64 } %t255, ptr %a257
-  store { ptr, i64, i64 } { ptr @.str.6194, i64 34, i64 0 }, ptr %a258
-  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
-  %t259 = load { ptr, i64, i64 }, ptr %a256
-  %t260 = load { ptr, i64, i64 }, ptr %a229
-  store { ptr, i64, i64 } %t259, ptr %a262
-  store { ptr, i64, i64 } %t260, ptr %a263
-  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
-  %t264 = load { ptr, i64, i64 }, ptr %a261
-  store { ptr, i64, i64 } %t264, ptr %a266
-  store { ptr, i64, i64 } { ptr @.str.6195, i64 10, i64 0 }, ptr %a267
-  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
-  %t268 = load { ptr, i64, i64 }, ptr %a265
-  %t269 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t270 = load { ptr, i64, i64 }, ptr %t269
-  store { ptr, i64, i64 } %t268, ptr %a272
-  store { ptr, i64, i64 } %t270, ptr %a273
-  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
-  %t274 = load { ptr, i64, i64 }, ptr %a271
-  store { ptr, i64, i64 } %t274, ptr %a276
-  store { ptr, i64, i64 } { ptr @.str.6196, i64 60, i64 0 }, ptr %a277
-  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
-  %t278 = load { ptr, i64, i64 }, ptr %a275
-  %t279 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t278, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t279
-endif8962:
-  %t280 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } %t281, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.6197, i64 19, i64 0 }, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  %t286 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t287 = load { ptr, i64, i64 }, ptr %t286
-  store { ptr, i64, i64 } %t285, ptr %a289
-  store { ptr, i64, i64 } %t287, ptr %a290
-  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
-  %t291 = load { ptr, i64, i64 }, ptr %a288
+  store { ptr, i64, i64 } %t246, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
+  store { ptr, i64, i64 } %t253, ptr %a255
+  store { ptr, i64, i64 } { ptr @.str.6416, i64 1, i64 0 }, ptr %a256
+  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
+  store { ptr, i64, i64 } %t253, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  %t258 = load { ptr, i64, i64 }, ptr %a254
+  call void @finch_str_drop(ptr %a233)
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t259 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t258, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t259
+endif9464:
+  %t260 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t261 = load { ptr, i64, i64 }, ptr %t260
+  store { ptr, i64, i64 } %t261, ptr %a263
+  store { ptr, i64, i64 } { ptr @.str.6417, i64 34, i64 0 }, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a262
+  %t266 = load { ptr, i64, i64 }, ptr %a233
+  store { ptr, i64, i64 } %t265, ptr %a268
+  store { ptr, i64, i64 } %t266, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t265, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a267
+  store { ptr, i64, i64 } %t271, ptr %a273
+  store { ptr, i64, i64 } { ptr @.str.6418, i64 10, i64 0 }, ptr %a274
+  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
+  store { ptr, i64, i64 } %t271, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a272
+  %t277 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t278 = load { ptr, i64, i64 }, ptr %t277
+  store { ptr, i64, i64 } %t276, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t276, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.6419, i64 60, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  call void @finch_str_drop(ptr %a233)
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t289 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t288, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t289
+endif9461:
+  %t290 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t291 = load { ptr, i64, i64 }, ptr %t290
   store { ptr, i64, i64 } %t291, ptr %a293
-  store { ptr, i64, i64 } { ptr @.str.6198, i64 16, i64 0 }, ptr %a294
+  store { ptr, i64, i64 } { ptr @.str.6420, i64 19, i64 0 }, ptr %a294
   call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
   %t295 = load { ptr, i64, i64 }, ptr %a292
-  %t296 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t295, ptr %a298
-  store { ptr, i64, i64 } %t296, ptr %a299
-  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
-  %t300 = load { ptr, i64, i64 }, ptr %a297
-  %t301 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t300, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t301
-endif8959:
-  %t302 = load ptr, ptr %a197
-  call void @clang_disposeDiagnostic(ptr %t302)
-  br label %for.step8955
-for.step8955:
-  %t303 = load i64, ptr %a190
-  %t304 = add i64 %t303, 1
-  store i64 %t304, ptr %a190
-  br label %for.cond8953
-for.end8956:
-  %t305 = load ptr, ptr %a147
-  %t306 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 1
-  store ptr %t305, ptr %t306
-  %t307 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t308 = load { ptr, i64, i64 }, ptr %t307
-  %t309 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 2
-  store { ptr, i64, i64 } %t308, ptr %a310
-  call void @finch_str_copy(ptr %a311, ptr %a310)
-  %t312 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t312, ptr %t309
-  %t314 = load ptr, ptr %a147
-  call void @clang_getTranslationUnitCursor(ptr sret(%S.C.CXCursor) align 16 %a313, ptr %t314)
-  %t315 = load %S.C.CXCursor, ptr %a313
-  store %S.C.CXCursor %t315, ptr %a316
-  %t317 = call i32 @clang_visitChildren(ptr %a316, ptr @finch.c.cimport.visitTop, ptr %a6)
-  %t318 = load ptr, ptr %a147
-  call void @clang_disposeTranslationUnit(ptr %t318)
-  br label %each.step8944
-each.step8944:
-  %t319 = load i64, ptr %a114
-  %t320 = add i64 %t319, 1
-  store i64 %t320, ptr %a114
-  br label %each.cond8942
-each.end8945:
-  %t321 = load ptr, ptr %a113
-  call void @clang_disposeIndex(ptr %t321)
-  %t322 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 0
-  %t323 = load %S.cimport.CImports, ptr %t322
-  store %S.cimport.CImports %t323, ptr %a324
-  call void @finch.copy.S_cimport_CImports(ptr %a325, ptr %a324)
-  %t326 = load %S.cimport.CImports, ptr %a325
-  %t327 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t328 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t327, %S.cimport.CImports %t326, 1
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t328
+  %t296 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t297 = load { ptr, i64, i64 }, ptr %t296
+  store { ptr, i64, i64 } %t295, ptr %a299
+  store { ptr, i64, i64 } %t297, ptr %a300
+  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
+  store { ptr, i64, i64 } %t295, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t302, ptr %a304
+  store { ptr, i64, i64 } { ptr @.str.6421, i64 16, i64 0 }, ptr %a305
+  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
+  store { ptr, i64, i64 } %t302, ptr %a306
+  call void @finch_str_drop(ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a303
+  %t308 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t307, ptr %a310
+  store { ptr, i64, i64 } %t308, ptr %a311
+  call void @finch_str_concat(ptr %a309, ptr %a310, ptr %a311)
+  store { ptr, i64, i64 } %t307, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  %t313 = load { ptr, i64, i64 }, ptr %a309
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t314 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t313, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t314
+endif9458:
+  %t315 = load ptr, ptr %a200
+  call void @clang_disposeDiagnostic(ptr %t315)
+  br label %for.step9454
+for.step9454:
+  %t316 = load i64, ptr %a193
+  %t317 = add i64 %t316, 1
+  store i64 %t317, ptr %a193
+  br label %for.cond9452
+for.end9455:
+  %t318 = load ptr, ptr %a148
+  %t319 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 1
+  store ptr %t318, ptr %t319
+  %t320 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t321 = load { ptr, i64, i64 }, ptr %t320
+  %t322 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 2
+  store { ptr, i64, i64 } %t321, ptr %a323
+  call void @finch_str_copy(ptr %a324, ptr %a323)
+  %t325 = load { ptr, i64, i64 }, ptr %a324
+  %t326 = load { ptr, i64, i64 }, ptr %t322
+  store { ptr, i64, i64 } %t325, ptr %t322
+  store { ptr, i64, i64 } %t326, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  %t329 = load ptr, ptr %a148
+  call void @clang_getTranslationUnitCursor(ptr sret(%S.C.CXCursor) align 16 %a328, ptr %t329)
+  %t330 = load %S.C.CXCursor, ptr %a328
+  store %S.C.CXCursor %t330, ptr %a331
+  %t332 = call i32 @clang_visitChildren(ptr %a331, ptr @finch.c.cimport.visitTop, ptr %a6)
+  %t333 = load ptr, ptr %a148
+  call void @clang_disposeTranslationUnit(ptr %t333)
+  call void @finch_str_drop(ptr %a134)
+  br label %each.step9443
+each.step9443:
+  %t334 = load i64, ptr %a114
+  %t335 = add i64 %t334, 1
+  store i64 %t335, ptr %a114
+  br label %each.cond9441
+each.end9444:
+  %t336 = load ptr, ptr %a113
+  call void @clang_disposeIndex(ptr %t336)
+  %t337 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 0
+  %t338 = load %S.cimport.CImports, ptr %t337
+  store %S.cimport.CImports %t338, ptr %a339
+  call void @finch.copy.S_cimport_CImports(ptr %a340, ptr %a339)
+  %t341 = load %S.cimport.CImports, ptr %a340
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t342 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t343 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t342, %S.cimport.CImports %t341, 1
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t343
+}
+
+define internal { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.6424, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6425, i64 4, i64 0 }, ptr %a6
+  call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
+  %t7 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.6422, i64 1, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } %t7, ptr %a10
+  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.6426, i64 1, i64 0 }, ptr %a15
+  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  ret { ptr, i64, i64 } %t17
+}
+
+define internal i64 @finch.host.run({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a4
+  call void @finch_str_copy(ptr %a3, ptr %a4)
+  %t5 = call i64 @finch_shell(ptr %a3)
+  call void @finch_str_drop(ptr %a3)
+  ret i64 %t5
+}
+
+define internal { ptr, i64, i64 } @finch.host.nullDevice() {
+entry:
+
+  ret { ptr, i64, i64 } { ptr @.str.6427, i64 9, i64 0 }
+}
+
+define internal { ptr, i64, i64 } @finch.host.tempDir() {
+entry:
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6428, i64 6, i64 0 }, 0
+  %t2 = icmp eq ptr %t1, null
+  %t3 = select i1 %t2, ptr @.str.6429, ptr %t1
+  %t4 = call ptr @getenv(ptr %t3)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a5
+  call void @finch_str_from_c(ptr %a5, ptr %t4)
+  %t6 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t6, ptr %a7
+  call void @finch_str_copy(ptr %a8, ptr %a7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  %t12 = load i64, ptr %t11
+  %t13 = icmp sgt i64 %t12, 0
+  br i1 %t13, label %then9465, label %endif9467
+then9465:
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t14, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.6431, i64 1, i64 0 }, ptr %a17
+  %t18 = call i32 @finch_str_ends(ptr %a15, ptr %a17)
+  %t19 = icmp ne i32 %t18, 0
+  br i1 %t19, label %then9468, label %endif9470
+then9468:
+  %t20 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t20, ptr %a21
+  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  %t24 = load i64, ptr %t23
+  %t25 = sub i64 %t24, 1
+  call void @finch_str_sub(ptr %a22, ptr %a21, i64 0, i64 %t25, ptr @.str.6432, i64 25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t26
+endif9470:
+  %t27 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t27
+endif9467:
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } { ptr @.str.6433, i64 4, i64 0 }
+}
+
+define internal { ptr, i64, i64 } @finch.host.pathSeparator() {
+entry:
+
+  ret { ptr, i64, i64 } { ptr @.str.6434, i64 1, i64 0 }
+}
+
+define internal i64 @finch.host.pid() {
+entry:
+
+  %t1 = call i32 @getpid()
+  %t2 = sext i32 %t1 to i64
+  ret i64 %t2
+}
+
+define internal { ptr, i64, i64 } @finch.host.cwd() {
+entry:
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6435, i64 3, i64 0 }, 0
+  %t2 = icmp eq ptr %t1, null
+  %t3 = select i1 %t2, ptr @.str.6436, ptr %t1
+  %t4 = call ptr @getenv(ptr %t3)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a5
+  call void @finch_str_from_c(ptr %a5, ptr %t4)
+  %t6 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t6, ptr %a7
+  call void @finch_str_copy(ptr %a8, ptr %a7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  ret { ptr, i64, i64 } %t9
+}
+
+define internal { ptr, i64, i64 } @finch.host.cacheDir() {
+entry:
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6437, i64 14, i64 0 }, 0
+  %t2 = icmp eq ptr %t1, null
+  %t3 = select i1 %t2, ptr @.str.6438, ptr %t1
+  %t4 = call ptr @getenv(ptr %t3)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a5
+  call void @finch_str_from_c(ptr %a5, ptr %t4)
+  %t6 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t6, ptr %a7
+  call void @finch_str_copy(ptr %a8, ptr %a7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  %t12 = load i64, ptr %t11
+  %t13 = icmp sgt i64 %t12, 0
+  br i1 %t13, label %then9471, label %endif9473
+then9471:
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t14, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.6439, i64 6, i64 0 }, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a15
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t18
+endif9473:
+  %t19 = extractvalue { ptr, i64, i64 } { ptr @.str.6440, i64 4, i64 0 }, 0
+  %t20 = icmp eq ptr %t19, null
+  %t21 = select i1 %t20, ptr @.str.6441, ptr %t19
+  %t22 = call ptr @getenv(ptr %t21)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a23
+  call void @finch_str_from_c(ptr %a23, ptr %t22)
+  %t24 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_copy(ptr %a26, ptr %a25)
+  %t27 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t27, ptr %a28
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = icmp sgt i64 %t30, 0
+  br i1 %t31, label %then9474, label %endif9476
+then9474:
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.6442, i64 13, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a33
+  call void @finch_str_drop(ptr %a28)
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t36
+endif9476:
+  %t37 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.6443, i64 12, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  call void @finch_str_drop(ptr %a28)
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t42
+}
+
+define internal void @finch.host.binaryStdio() {
+entry:
+
+  ret void
+}
+
+define internal void @finch.host.makeDirs({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  %t3 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t2)
+  store { ptr, i64, i64 } { ptr @.str.6444, i64 9, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t3, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t8, ptr %a10
+  call void @finch_str_copy(ptr %a9, ptr %a10)
+  %t11 = call i64 @finch_shell(ptr %a9)
+  call void @finch_str_drop(ptr %a9)
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  ret void
+}
+
+define internal void @finch.host.remove({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a4
+  call void @finch_str_copy(ptr %a3, ptr %a4)
+  %t5 = call i32 @finch_delete_file(ptr %a3)
+  call void @finch_str_drop(ptr %a3)
+  %t6 = icmp ne i32 %t5, 0
+  ret void
+}
+
+define internal void @finch.host.removeTree({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  %t3 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t2)
+  store { ptr, i64, i64 } { ptr @.str.6445, i64 7, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t3, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t8, ptr %a10
+  call void @finch_str_copy(ptr %a9, ptr %a10)
+  %t11 = call i64 @finch_shell(ptr %a9)
+  call void @finch_str_drop(ptr %a9)
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  ret void
+}
+
+define internal void @finch.host.move({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  %t3 = load { ptr, i64, i64 }, ptr %a1
+  %t4 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t3)
+  store { ptr, i64, i64 } { ptr @.str.6446, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } %t4, ptr %a7
+  call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.6447, i64 1, i64 0 }, ptr %a12
+  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
+  store { ptr, i64, i64 } %t9, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  %t15 = load { ptr, i64, i64 }, ptr %a2
+  %t16 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t15)
+  store { ptr, i64, i64 } %t14, ptr %a18
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t14, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  store { ptr, i64, i64 } %t16, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t22, ptr %a24
+  call void @finch_str_copy(ptr %a23, ptr %a24)
+  %t25 = call i64 @finch_shell(ptr %a23)
+  call void @finch_str_drop(ptr %a23)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.platform.firstLine({ ptr, i64, i64 } %p0) {
@@ -81213,118 +97943,170 @@ entry:
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
   call void @finch_str_trim(ptr %a4, ptr %a3)
   %t5 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6201, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6450, i64 1, i64 0 }, ptr %a8
   call void @finch_str_split(ptr %a9, ptr %a6, ptr %a8)
   %t10 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t10, ptr %a11
-  %t12 = load { ptr, i64, i64 }, ptr %a11
-  %t13 = extractvalue { ptr, i64, i64 } %t12, 1
-  %t14 = icmp uge i64 0, %t13
-  br i1 %t14, label %range8966, label %inrange8967
-range8966:
-  call void @finch_panic_index(ptr @.str.6202, i64 20, i64 0, i64 %t13)
+  store { ptr, i64, i64 } %t5, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  store { ptr, i64, i64 } %t10, ptr %a12
+  %t13 = load { ptr, i64, i64 }, ptr %a12
+  %t14 = extractvalue { ptr, i64, i64 } %t13, 1
+  %t15 = icmp uge i64 0, %t14
+  br i1 %t15, label %range9477, label %inrange9478
+range9477:
+  call void @finch_panic_index(ptr @.str.6451, i64 21, i64 0, i64 %t14)
   unreachable
-inrange8967:
-  %t15 = extractvalue { ptr, i64, i64 } %t12, 0
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 0
-  %t17 = load { ptr, i64, i64 }, ptr %t16
-  store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_trim(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t20
+inrange9478:
+  %t16 = extractvalue { ptr, i64, i64 } %t13, 0
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 0
+  %t18 = load { ptr, i64, i64 }, ptr %t17
+  store { ptr, i64, i64 } %t18, ptr %a19
+  call void @finch_str_trim(ptr %a20, ptr %a19)
+  %t21 = load { ptr, i64, i64 }, ptr %a20
+  call void @finch.drop.arr_str(ptr %a12)
+  ret { ptr, i64, i64 } %t21
 }
 
 define internal { ptr, i64, i64 } @finch.platform.hostTriple() {
 entry:
-  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
-  %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  store { ptr, i64, i64 } { ptr @.str.6204, i64 21, i64 0 }, ptr %a1
-  %t2 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6205, i64 22, i64 0 }, ptr %a4
-  store { ptr, i64, i64 } %t2, ptr %a5
-  call void @finch_str_concat(ptr %a3, ptr %a4, ptr %a5)
-  %t6 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t6, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6206, i64 14, i64 0 }, ptr %a9
-  call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
-  %t10 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } %t10, ptr %a12
-  call void @finch_str_copy(ptr %a11, ptr %a12)
-  %t13 = call i64 @finch_shell(ptr %a11)
-  %t14 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } zeroinitializer, ptr %a16
-  store { ptr, i64, i64 } zeroinitializer, ptr %a17
-  %t18 = call i32 @finch_try_read_file(ptr %a16, ptr %a15, ptr %a17)
-  %t19 = icmp eq i32 %t18, 0
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  %t21 = load { ptr, i64, i64 }, ptr %a16
-  br i1 %t19, label %or.failed8968, label %or.ok8969
-or.failed8968:
-  store { ptr, i64, i64 } %t20, ptr %a22
-  br label %or.bend8970
-or.bend8970:
-  br label %or.end8971
-or.ok8969:
-  br label %or.end8971
-or.end8971:
-  %t23 = phi { ptr, i64, i64 } [ { ptr @.str.6207, i64 0, i64 0 }, %or.bend8970 ], [ %t21, %or.ok8969 ]
-  store { ptr, i64, i64 } %t23, ptr %a24
-  %t25 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6208, i64 7, i64 0 }, ptr %a27
-  store { ptr, i64, i64 } %t25, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t29, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.6209, i64 1, i64 0 }, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t33, ptr %a35
-  call void @finch_str_copy(ptr %a34, ptr %a35)
-  %t36 = call i64 @finch_shell(ptr %a34)
-  %t37 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t37, ptr %a38
-  call void @finch_str_trim(ptr %a39, ptr %a38)
-  %t40 = load { ptr, i64, i64 }, ptr %a39
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = icmp eq i64 %t41, 0
-  br i1 %t42, label %then8972, label %endif8974
-then8972:
-  ret { ptr, i64, i64 } { ptr @.str.6211, i64 24, i64 0 }
-endif8974:
-  %t43 = load { ptr, i64, i64 }, ptr %a24
-  %t44 = call { ptr, i64, i64 } @finch.platform.firstLine({ ptr, i64, i64 } %t43)
-  ret { ptr, i64, i64 } %t44
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %t1 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t1, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.6453, i64 14, i64 0 }, ptr %a4
+  call void @finch_str_concat(ptr %a2, ptr %a3, ptr %a4)
+  store { ptr, i64, i64 } %t1, ptr %a5
+  call void @finch_str_drop(ptr %a5)
+  %t6 = load { ptr, i64, i64 }, ptr %a2
+  %t7 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a8, i64 %t7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t6, ptr %a11
+  store { ptr, i64, i64 } %t9, ptr %a12
+  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
+  store { ptr, i64, i64 } %t6, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  store { ptr, i64, i64 } %t9, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t15, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.6454, i64 4, i64 0 }, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t20, ptr %a21
+  %t22 = load { ptr, i64, i64 }, ptr %a21
+  %t23 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t22)
+  store { ptr, i64, i64 } { ptr @.str.6455, i64 21, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } %t23, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.6456, i64 4, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = call { ptr, i64, i64 } @finch.host.nullDevice()
+  store { ptr, i64, i64 } %t33, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  %t41 = call i64 @finch.host.run({ ptr, i64, i64 } %t40)
+  store { ptr, i64, i64 } %t40, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t43, ptr %a44
+  store { ptr, i64, i64 } zeroinitializer, ptr %a45
+  store { ptr, i64, i64 } zeroinitializer, ptr %a46
+  %t47 = call i32 @finch_try_read_file(ptr %a45, ptr %a44, ptr %a46)
+  %t48 = icmp eq i32 %t47, 0
+  %t49 = load { ptr, i64, i64 }, ptr %a46
+  %t50 = load { ptr, i64, i64 }, ptr %a45
+  br i1 %t48, label %or.failed9479, label %or.ok9480
+or.failed9479:
+  store { ptr, i64, i64 } %t49, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %or.bend9481
+or.bend9481:
+  br label %or.end9482
+or.ok9480:
+  br label %or.end9482
+or.end9482:
+  %t52 = phi { ptr, i64, i64 } [ { ptr @.str.6457, i64 0, i64 0 }, %or.bend9481 ], [ %t50, %or.ok9480 ]
+  store { ptr, i64, i64 } %t52, ptr %a53
+  %t54 = load { ptr, i64, i64 }, ptr %a21
+  call void @finch.host.remove({ ptr, i64, i64 } %t54)
+  %t55 = load { ptr, i64, i64 }, ptr %a53
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_trim(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  %t59 = extractvalue { ptr, i64, i64 } %t58, 1
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = icmp eq i64 %t59, 0
+  br i1 %t61, label %then9483, label %endif9485
+then9483:
+  call void @finch_str_drop(ptr %a53)
+  call void @finch_str_drop(ptr %a21)
+  ret { ptr, i64, i64 } { ptr @.str.6459, i64 24, i64 0 }
+endif9485:
+  %t62 = load { ptr, i64, i64 }, ptr %a53
+  %t63 = call { ptr, i64, i64 } @finch.platform.firstLine({ ptr, i64, i64 } %t62)
+  call void @finch_str_drop(ptr %a53)
+  call void @finch_str_drop(ptr %a21)
+  ret { ptr, i64, i64 } %t63
 }
 
 define internal %S.platform.Target @finch.platform.select({ ptr, i64, i64 } %p0) {
@@ -81337,81 +98119,98 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca %S.platform.Target, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca %S.platform.Target, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca i1, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca i1, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca i1, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca i1, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca %S.platform.Target, align 16
-  %a243 = alloca %S.platform.Target, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = call { ptr, i64, i64 } @finch.platform.hostTriple()
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -81423,469 +98222,532 @@ entry:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp eq i64 %t10, 0
-  br i1 %t11, label %then8975, label %else8976
-then8975:
+  br i1 %t11, label %then9486, label %else9487
+then9486:
   %t12 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t12, ptr %a13
   call void @finch_str_copy(ptr %a14, ptr %a13)
   %t15 = load { ptr, i64, i64 }, ptr %a14
+  %t16 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t15, ptr %a8
-  br label %endif8977
-else8976:
-  %t16 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.6212, i64 7, i64 0 }, ptr %a18
-  %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
-  %t20 = icmp ne i32 %t19, 0
-  br i1 %t20, label %then8978, label %else8979
-then8978:
-  store { ptr, i64, i64 } { ptr @.str.6213, i64 18, i64 0 }, ptr %a8
-  br label %endif8980
-else8979:
-  %t21 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.6214, i64 5, i64 0 }, ptr %a23
-  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
-  %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then8981, label %else8982
-then8981:
-  store { ptr, i64, i64 } { ptr @.str.6215, i64 24, i64 0 }, ptr %a8
-  br label %endif8983
-else8982:
-  %t26 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.6216, i64 5, i64 0 }, ptr %a28
-  %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
-  %t30 = icmp ne i32 %t29, 0
-  br label %logic.from8984
-logic.from8984:
-  br i1 %t30, label %logic.end8986, label %logic.rhs8985
-logic.rhs8985:
-  %t31 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.6217, i64 7, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br label %logic.rend8987
-logic.rend8987:
-  br label %logic.end8986
-logic.end8986:
-  %t36 = phi i1 [ true, %logic.from8984 ], [ %t35, %logic.rend8987 ]
-  br label %logic.from8988
-logic.from8988:
-  br i1 %t36, label %logic.end8990, label %logic.rhs8989
-logic.rhs8989:
+  call void @finch_str_drop(ptr %a17)
+  br label %endif9488
+else9487:
+  %t18 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t18, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.6460, i64 7, i64 0 }, ptr %a20
+  %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
+  %t22 = icmp ne i32 %t21, 0
+  br i1 %t22, label %then9489, label %else9490
+then9489:
+  %t23 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6461, i64 18, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t23, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  br label %endif9491
+else9490:
+  %t25 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t25, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.6462, i64 5, i64 0 }, ptr %a27
+  %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
+  %t29 = icmp ne i32 %t28, 0
+  br i1 %t29, label %then9492, label %else9493
+then9492:
+  %t30 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6463, i64 24, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t30, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  br label %endif9494
+else9493:
+  %t32 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t32, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.6464, i64 5, i64 0 }, ptr %a34
+  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
+  %t36 = icmp ne i32 %t35, 0
+  br label %logic.from9495
+logic.from9495:
+  br i1 %t36, label %logic.end9497, label %logic.rhs9496
+logic.rhs9496:
   %t37 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t37, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.6218, i64 11, i64 0 }, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.6465, i64 7, i64 0 }, ptr %a39
   %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
   %t41 = icmp ne i32 %t40, 0
-  br label %logic.rend8991
-logic.rend8991:
-  br label %logic.end8990
-logic.end8990:
-  %t42 = phi i1 [ true, %logic.from8988 ], [ %t41, %logic.rend8991 ]
-  br i1 %t42, label %then8992, label %else8993
-then8992:
-  store { ptr, i64, i64 } { ptr @.str.6219, i64 25, i64 0 }, ptr %a8
-  br label %endif8994
-else8993:
+  br label %logic.rend9498
+logic.rend9498:
+  br label %logic.end9497
+logic.end9497:
+  %t42 = phi i1 [ true, %logic.from9495 ], [ %t41, %logic.rend9498 ]
+  br label %logic.from9499
+logic.from9499:
+  br i1 %t42, label %logic.end9501, label %logic.rhs9500
+logic.rhs9500:
   %t43 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t43, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.6220, i64 5, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.6466, i64 11, i64 0 }, ptr %a45
   %t46 = call i32 @finch_str_eq(ptr %a44, ptr %a45)
   %t47 = icmp ne i32 %t46, 0
-  br i1 %t47, label %then8995, label %endif8997
-then8995:
-  %t48 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.6222, i64 7, i64 0 }, ptr %a51
-  %t52 = call i32 @finch_str_starts(ptr %a49, ptr %a51)
-  %t53 = icmp ne i32 %t52, 0
-  br label %logic.from8998
-logic.from8998:
-  br i1 %t53, label %logic.end9000, label %logic.rhs8999
-logic.rhs8999:
-  %t54 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.6224, i64 5, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_starts(ptr %a55, ptr %a57)
-  %t59 = icmp ne i32 %t58, 0
-  br label %logic.rend9001
-logic.rend9001:
-  br label %logic.end9000
-logic.end9000:
-  %t60 = phi i1 [ true, %logic.from8998 ], [ %t59, %logic.rend9001 ]
-  br i1 %t60, label %then9002, label %else9003
-then9002:
-  store { ptr, i64, i64 } { ptr @.str.6225, i64 24, i64 0 }, ptr %a8
-  br label %endif9004
-else9003:
-  store { ptr, i64, i64 } { ptr @.str.6226, i64 25, i64 0 }, ptr %a8
-  br label %endif9004
-endif9004:
-  br label %endif8997
-endif8997:
-  br label %endif8994
-endif8994:
-  br label %endif8983
-endif8983:
-  br label %endif8980
-endif8980:
-  br label %endif8977
-endif8977:
-  %t61 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t61, ptr %a62
-  call void @finch_str_copy(ptr %a63, ptr %a62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  %t65 = insertvalue %S.platform.Target zeroinitializer, { ptr, i64, i64 } %t64, 0
-  store %S.platform.Target %t65, ptr %a66
-  %t67 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6228, i64 7, i64 0 }, ptr %a70
-  %t71 = call i64 @finch_str_find(ptr %a68, ptr %a70)
-  %t72 = icmp sge i64 %t71, 0
-  br label %logic.from9005
-logic.from9005:
-  br i1 %t72, label %logic.end9007, label %logic.rhs9006
-logic.rhs9006:
+  br label %logic.rend9502
+logic.rend9502:
+  br label %logic.end9501
+logic.end9501:
+  %t48 = phi i1 [ true, %logic.from9499 ], [ %t47, %logic.rend9502 ]
+  br i1 %t48, label %then9503, label %else9504
+then9503:
+  %t49 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6467, i64 25, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t49, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  br label %endif9505
+else9504:
+  %t51 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t51, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.6468, i64 5, i64 0 }, ptr %a53
+  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
+  %t55 = icmp ne i32 %t54, 0
+  br i1 %t55, label %then9506, label %endif9508
+then9506:
+  %t56 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t56, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.6470, i64 7, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_starts(ptr %a57, ptr %a59)
+  %t61 = icmp ne i32 %t60, 0
+  br label %logic.from9509
+logic.from9509:
+  br i1 %t61, label %logic.end9511, label %logic.rhs9510
+logic.rhs9510:
+  %t62 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.6472, i64 5, i64 0 }, ptr %a65
+  %t66 = call i32 @finch_str_starts(ptr %a63, ptr %a65)
+  %t67 = icmp ne i32 %t66, 0
+  br label %logic.rend9512
+logic.rend9512:
+  br label %logic.end9511
+logic.end9511:
+  %t68 = phi i1 [ true, %logic.from9509 ], [ %t67, %logic.rend9512 ]
+  br i1 %t68, label %then9513, label %else9514
+then9513:
+  %t69 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6473, i64 24, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t69, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  br label %endif9515
+else9514:
+  %t71 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6474, i64 25, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  br label %endif9515
+endif9515:
+  br label %endif9508
+endif9508:
+  br label %endif9505
+endif9505:
+  br label %endif9494
+endif9494:
+  br label %endif9491
+endif9491:
+  br label %endif9488
+endif9488:
   %t73 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.6230, i64 5, i64 0 }, ptr %a76
-  %t77 = call i64 @finch_str_find(ptr %a74, ptr %a76)
-  %t78 = icmp sge i64 %t77, 0
-  br label %logic.rend9008
-logic.rend9008:
-  br label %logic.end9007
-logic.end9007:
-  %t79 = phi i1 [ true, %logic.from9005 ], [ %t78, %logic.rend9008 ]
-  br label %logic.from9009
-logic.from9009:
-  br i1 %t79, label %logic.end9011, label %logic.rhs9010
-logic.rhs9010:
-  %t80 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.6232, i64 4, i64 0 }, ptr %a83
-  %t84 = call i64 @finch_str_find(ptr %a81, ptr %a83)
-  %t85 = icmp sge i64 %t84, 0
-  br label %logic.rend9012
-logic.rend9012:
-  br label %logic.end9011
-logic.end9011:
-  %t86 = phi i1 [ true, %logic.from9009 ], [ %t85, %logic.rend9012 ]
-  br label %logic.from9013
-logic.from9013:
-  br i1 %t86, label %logic.end9015, label %logic.rhs9014
-logic.rhs9014:
-  %t87 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.6234, i64 5, i64 0 }, ptr %a90
-  %t91 = call i64 @finch_str_find(ptr %a88, ptr %a90)
-  %t92 = icmp sge i64 %t91, 0
-  br label %logic.rend9016
-logic.rend9016:
-  br label %logic.end9015
-logic.end9015:
-  %t93 = phi i1 [ true, %logic.from9013 ], [ %t92, %logic.rend9016 ]
-  %t94 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  store i1 %t93, ptr %t94
-  %t95 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.6236, i64 4, i64 0 }, ptr %a98
-  %t99 = call i64 @finch_str_find(ptr %a96, ptr %a98)
-  %t100 = icmp sge i64 %t99, 0
-  %t101 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 2
-  store i1 %t100, ptr %t101
-  %t102 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t102, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.6238, i64 5, i64 0 }, ptr %a105
-  %t106 = call i64 @finch_str_find(ptr %a103, ptr %a105)
-  %t107 = icmp sge i64 %t106, 0
-  br label %logic.from9017
-logic.from9017:
-  br i1 %t107, label %logic.end9019, label %logic.rhs9018
-logic.rhs9018:
-  %t108 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t108, ptr %a109
-  store { ptr, i64, i64 } { ptr @.str.6240, i64 6, i64 0 }, ptr %a111
-  %t112 = call i64 @finch_str_find(ptr %a109, ptr %a111)
-  %t113 = icmp sge i64 %t112, 0
-  br label %logic.rend9020
-logic.rend9020:
-  br label %logic.end9019
-logic.end9019:
-  %t114 = phi i1 [ true, %logic.from9017 ], [ %t113, %logic.rend9020 ]
-  br label %logic.from9021
-logic.from9021:
-  br i1 %t114, label %logic.end9023, label %logic.rhs9022
-logic.rhs9022:
-  %t115 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t115, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.6242, i64 5, i64 0 }, ptr %a118
-  %t119 = call i64 @finch_str_find(ptr %a116, ptr %a118)
-  %t120 = icmp sge i64 %t119, 0
-  br label %logic.rend9024
-logic.rend9024:
-  br label %logic.end9023
-logic.end9023:
-  %t121 = phi i1 [ true, %logic.from9021 ], [ %t120, %logic.rend9024 ]
-  %t122 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  store i1 %t121, ptr %t122
-  %t123 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t123, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.6244, i64 7, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_starts(ptr %a124, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br label %logic.from9025
-logic.from9025:
-  br i1 %t128, label %logic.end9027, label %logic.rhs9026
-logic.rhs9026:
-  %t129 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t129, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.6246, i64 5, i64 0 }, ptr %a132
-  %t133 = call i32 @finch_str_starts(ptr %a130, ptr %a132)
-  %t134 = icmp ne i32 %t133, 0
-  br label %logic.rend9028
-logic.rend9028:
-  br label %logic.end9027
-logic.end9027:
-  %t135 = phi i1 [ true, %logic.from9025 ], [ %t134, %logic.rend9028 ]
-  %t136 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  store i1 %t135, ptr %t136
-  %t137 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t137, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.6248, i64 7, i64 0 }, ptr %a140
-  %t141 = call i32 @finch_str_starts(ptr %a138, ptr %a140)
-  %t142 = icmp ne i32 %t141, 0
-  br label %logic.from9029
-logic.from9029:
-  br i1 %t142, label %logic.end9031, label %logic.rhs9030
-logic.rhs9030:
-  %t143 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t143, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.6250, i64 5, i64 0 }, ptr %a146
-  %t147 = call i32 @finch_str_starts(ptr %a144, ptr %a146)
-  %t148 = icmp ne i32 %t147, 0
-  br label %logic.rend9032
-logic.rend9032:
-  br label %logic.end9031
-logic.end9031:
-  %t149 = phi i1 [ true, %logic.from9029 ], [ %t148, %logic.rend9032 ]
-  store i1 %t149, ptr %a150
-  %t151 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t151, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.6252, i64 5, i64 0 }, ptr %a154
-  %t155 = call i64 @finch_str_find(ptr %a152, ptr %a154)
-  %t156 = icmp sge i64 %t155, 0
-  br label %logic.from9033
-logic.from9033:
-  br i1 %t156, label %logic.end9035, label %logic.rhs9034
-logic.rhs9034:
-  %t157 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t157, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.6254, i64 6, i64 0 }, ptr %a160
-  %t161 = call i64 @finch_str_find(ptr %a158, ptr %a160)
-  %t162 = icmp sge i64 %t161, 0
-  br label %logic.rend9036
-logic.rend9036:
-  br label %logic.end9035
-logic.end9035:
-  %t163 = phi i1 [ true, %logic.from9033 ], [ %t162, %logic.rend9036 ]
-  store i1 %t163, ptr %a164
-  %t165 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  %t166 = load i1, ptr %t165
-  br label %logic.from9037
-logic.from9037:
-  br i1 %t166, label %logic.end9039, label %logic.rhs9038
-logic.rhs9038:
-  %t167 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  %t168 = load i1, ptr %t167
-  %t169 = load i1, ptr %a164
-  %t170 = icmp ne i1 %t168, %t169
-  br label %logic.rend9040
-logic.rend9040:
-  br label %logic.end9039
-logic.end9039:
-  %t171 = phi i1 [ true, %logic.from9037 ], [ %t170, %logic.rend9040 ]
-  br label %logic.from9041
-logic.from9041:
-  br i1 %t171, label %logic.end9043, label %logic.rhs9042
-logic.rhs9042:
-  %t172 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  %t173 = load i1, ptr %t172
-  %t174 = load i1, ptr %a150
-  %t175 = icmp ne i1 %t173, %t174
-  br label %logic.rend9044
-logic.rend9044:
-  br label %logic.end9043
-logic.end9043:
-  %t176 = phi i1 [ true, %logic.from9041 ], [ %t175, %logic.rend9044 ]
-  %t177 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  store i1 %t176, ptr %t177
-  %t178 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 6
-  store { ptr, i64, i64 } { ptr @.str.6255, i64 0, i64 0 }, ptr %t178
-  %t179 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
+  call void @finch_str_copy(ptr %a75, ptr %a74)
+  %t76 = load { ptr, i64, i64 }, ptr %a75
+  %t77 = insertvalue %S.platform.Target zeroinitializer, { ptr, i64, i64 } %t76, 0
+  store %S.platform.Target %t77, ptr %a78
+  %t79 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t79, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.6476, i64 7, i64 0 }, ptr %a82
+  %t83 = call i64 @finch_str_find(ptr %a80, ptr %a82)
+  %t84 = icmp sge i64 %t83, 0
+  br label %logic.from9516
+logic.from9516:
+  br i1 %t84, label %logic.end9518, label %logic.rhs9517
+logic.rhs9517:
+  %t85 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t85, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.6478, i64 5, i64 0 }, ptr %a88
+  %t89 = call i64 @finch_str_find(ptr %a86, ptr %a88)
+  %t90 = icmp sge i64 %t89, 0
+  br label %logic.rend9519
+logic.rend9519:
+  br label %logic.end9518
+logic.end9518:
+  %t91 = phi i1 [ true, %logic.from9516 ], [ %t90, %logic.rend9519 ]
+  br label %logic.from9520
+logic.from9520:
+  br i1 %t91, label %logic.end9522, label %logic.rhs9521
+logic.rhs9521:
+  %t92 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t92, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.6480, i64 4, i64 0 }, ptr %a95
+  %t96 = call i64 @finch_str_find(ptr %a93, ptr %a95)
+  %t97 = icmp sge i64 %t96, 0
+  br label %logic.rend9523
+logic.rend9523:
+  br label %logic.end9522
+logic.end9522:
+  %t98 = phi i1 [ true, %logic.from9520 ], [ %t97, %logic.rend9523 ]
+  br label %logic.from9524
+logic.from9524:
+  br i1 %t98, label %logic.end9526, label %logic.rhs9525
+logic.rhs9525:
+  %t99 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t99, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.6482, i64 5, i64 0 }, ptr %a102
+  %t103 = call i64 @finch_str_find(ptr %a100, ptr %a102)
+  %t104 = icmp sge i64 %t103, 0
+  br label %logic.rend9527
+logic.rend9527:
+  br label %logic.end9526
+logic.end9526:
+  %t105 = phi i1 [ true, %logic.from9524 ], [ %t104, %logic.rend9527 ]
+  %t106 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  store i1 %t105, ptr %t106
+  %t107 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t107, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.6484, i64 4, i64 0 }, ptr %a110
+  %t111 = call i64 @finch_str_find(ptr %a108, ptr %a110)
+  %t112 = icmp sge i64 %t111, 0
+  %t113 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 2
+  store i1 %t112, ptr %t113
+  %t114 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.6486, i64 5, i64 0 }, ptr %a117
+  %t118 = call i64 @finch_str_find(ptr %a115, ptr %a117)
+  %t119 = icmp sge i64 %t118, 0
+  br label %logic.from9528
+logic.from9528:
+  br i1 %t119, label %logic.end9530, label %logic.rhs9529
+logic.rhs9529:
+  %t120 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t120, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.6488, i64 6, i64 0 }, ptr %a123
+  %t124 = call i64 @finch_str_find(ptr %a121, ptr %a123)
+  %t125 = icmp sge i64 %t124, 0
+  br label %logic.rend9531
+logic.rend9531:
+  br label %logic.end9530
+logic.end9530:
+  %t126 = phi i1 [ true, %logic.from9528 ], [ %t125, %logic.rend9531 ]
+  br label %logic.from9532
+logic.from9532:
+  br i1 %t126, label %logic.end9534, label %logic.rhs9533
+logic.rhs9533:
+  %t127 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t127, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.6490, i64 5, i64 0 }, ptr %a130
+  %t131 = call i64 @finch_str_find(ptr %a128, ptr %a130)
+  %t132 = icmp sge i64 %t131, 0
+  br label %logic.rend9535
+logic.rend9535:
+  br label %logic.end9534
+logic.end9534:
+  %t133 = phi i1 [ true, %logic.from9532 ], [ %t132, %logic.rend9535 ]
+  %t134 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
+  store i1 %t133, ptr %t134
+  %t135 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t135, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.6492, i64 7, i64 0 }, ptr %a138
+  %t139 = call i32 @finch_str_starts(ptr %a136, ptr %a138)
+  %t140 = icmp ne i32 %t139, 0
+  br label %logic.from9536
+logic.from9536:
+  br i1 %t140, label %logic.end9538, label %logic.rhs9537
+logic.rhs9537:
+  %t141 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.6494, i64 5, i64 0 }, ptr %a144
+  %t145 = call i32 @finch_str_starts(ptr %a142, ptr %a144)
+  %t146 = icmp ne i32 %t145, 0
+  br label %logic.rend9539
+logic.rend9539:
+  br label %logic.end9538
+logic.end9538:
+  %t147 = phi i1 [ true, %logic.from9536 ], [ %t146, %logic.rend9539 ]
+  %t148 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  store i1 %t147, ptr %t148
+  %t149 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t149, ptr %a150
+  store { ptr, i64, i64 } { ptr @.str.6496, i64 7, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_starts(ptr %a150, ptr %a152)
+  %t154 = icmp ne i32 %t153, 0
+  br label %logic.from9540
+logic.from9540:
+  br i1 %t154, label %logic.end9542, label %logic.rhs9541
+logic.rhs9541:
+  %t155 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t155, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.6498, i64 5, i64 0 }, ptr %a158
+  %t159 = call i32 @finch_str_starts(ptr %a156, ptr %a158)
+  %t160 = icmp ne i32 %t159, 0
+  br label %logic.rend9543
+logic.rend9543:
+  br label %logic.end9542
+logic.end9542:
+  %t161 = phi i1 [ true, %logic.from9540 ], [ %t160, %logic.rend9543 ]
+  store i1 %t161, ptr %a162
+  %t163 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t163, ptr %a164
+  store { ptr, i64, i64 } { ptr @.str.6500, i64 5, i64 0 }, ptr %a166
+  %t167 = call i64 @finch_str_find(ptr %a164, ptr %a166)
+  %t168 = icmp sge i64 %t167, 0
+  br label %logic.from9544
+logic.from9544:
+  br i1 %t168, label %logic.end9546, label %logic.rhs9545
+logic.rhs9545:
+  %t169 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t169, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.6502, i64 6, i64 0 }, ptr %a172
+  %t173 = call i64 @finch_str_find(ptr %a170, ptr %a172)
+  %t174 = icmp sge i64 %t173, 0
+  br label %logic.rend9547
+logic.rend9547:
+  br label %logic.end9546
+logic.end9546:
+  %t175 = phi i1 [ true, %logic.from9544 ], [ %t174, %logic.rend9547 ]
+  store i1 %t175, ptr %a176
+  %t177 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t178 = load i1, ptr %t177
+  br label %logic.from9548
+logic.from9548:
+  br i1 %t178, label %logic.end9550, label %logic.rhs9549
+logic.rhs9549:
+  %t179 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
   %t180 = load i1, ptr %t179
-  br i1 %t180, label %then9045, label %endif9047
-then9045:
-  %t181 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 6
-  store { ptr, i64, i64 } { ptr @.str.6256, i64 4, i64 0 }, ptr %t181
-  br label %endif9047
-endif9047:
-  %t182 = extractvalue { ptr, i64, i64 } { ptr @.str.6257, i64 8, i64 0 }, 0
-  %t183 = icmp eq ptr %t182, null
-  %t184 = select i1 %t183, ptr @.str.6258, ptr %t182
-  %t185 = call ptr @getenv(ptr %t184)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a186
-  call void @finch_str_from_c(ptr %a186, ptr %t185)
-  %t187 = load { ptr, i64, i64 }, ptr %a186
-  store { ptr, i64, i64 } %t187, ptr %a188
-  call void @finch_str_copy(ptr %a189, ptr %a188)
-  %t190 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t190, ptr %a191
-  %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %a191, i32 0, i32 1
-  %t193 = load i64, ptr %t192
-  %t194 = icmp sgt i64 %t193, 0
-  br i1 %t194, label %then9048, label %else9049
-then9048:
-  %t195 = load { ptr, i64, i64 }, ptr %a191
-  %t196 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } %t195, ptr %a197
-  call void @finch_str_copy(ptr %a198, ptr %a197)
-  %t199 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t199, ptr %t196
-  br label %endif9050
-else9049:
-  %t200 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t201 = load i1, ptr %t200
-  br label %logic.from9051
-logic.from9051:
-  br i1 %t201, label %logic.rhs9052, label %logic.end9053
-logic.rhs9052:
-  %t202 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  %t203 = load i1, ptr %t202
-  br label %logic.rend9054
-logic.rend9054:
-  br label %logic.end9053
-logic.end9053:
-  %t204 = phi i1 [ false, %logic.from9051 ], [ %t203, %logic.rend9054 ]
-  br i1 %t204, label %then9055, label %else9056
-then9055:
-  %t205 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } { ptr @.str.6259, i64 22, i64 0 }, ptr %t205
-  br label %endif9057
-else9056:
-  %t206 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t207 = load i1, ptr %t206
-  br label %logic.from9058
-logic.from9058:
-  br i1 %t207, label %logic.rhs9059, label %logic.end9060
-logic.rhs9059:
-  %t208 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  %t209 = load i1, ptr %t208
-  br label %logic.rend9061
-logic.rend9061:
-  br label %logic.end9060
-logic.end9060:
-  %t210 = phi i1 [ false, %logic.from9058 ], [ %t209, %logic.rend9061 ]
-  br label %logic.from9062
-logic.from9062:
-  br i1 %t210, label %logic.rhs9063, label %logic.end9064
-logic.rhs9063:
-  %t211 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  %t212 = load i1, ptr %t211
-  %t213 = xor i1 %t212, true
-  br label %logic.rend9065
-logic.rend9065:
-  br label %logic.end9064
-logic.end9064:
-  %t214 = phi i1 [ false, %logic.from9062 ], [ %t213, %logic.rend9065 ]
-  br i1 %t214, label %then9066, label %else9067
-then9066:
-  %t215 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } { ptr @.str.6260, i64 21, i64 0 }, ptr %t215
-  br label %endif9068
-else9067:
-  %t216 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t217 = load i1, ptr %t216
-  br i1 %t217, label %then9069, label %else9070
-then9069:
-  %t218 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6261, i64 15, i64 0 }, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  %t223 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } %t222, ptr %t223
-  br label %endif9071
-else9070:
-  %t224 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } { ptr @.str.6262, i64 2, i64 0 }, ptr %t224
-  br label %endif9071
-endif9071:
-  br label %endif9068
-endif9068:
-  br label %endif9057
-endif9057:
-  br label %endif9050
-endif9050:
-  %t225 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t226 = load i1, ptr %t225
-  br label %logic.from9072
-logic.from9072:
-  br i1 %t226, label %logic.rhs9073, label %logic.end9074
-logic.rhs9073:
-  %t227 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  %t228 = load i1, ptr %t227
-  br label %logic.rend9075
-logic.rend9075:
-  br label %logic.end9074
-logic.end9074:
-  %t229 = phi i1 [ false, %logic.from9072 ], [ %t228, %logic.rend9075 ]
-  br i1 %t229, label %then9076, label %else9077
-then9076:
-  %t230 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 8
-  store { ptr, i64, i64 } { ptr @.str.6263, i64 5, i64 0 }, ptr %t230
-  br label %endif9078
-else9077:
-  %t231 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
+  %t181 = load i1, ptr %a176
+  %t182 = icmp ne i1 %t180, %t181
+  br label %logic.rend9551
+logic.rend9551:
+  br label %logic.end9550
+logic.end9550:
+  %t183 = phi i1 [ true, %logic.from9548 ], [ %t182, %logic.rend9551 ]
+  br label %logic.from9552
+logic.from9552:
+  br i1 %t183, label %logic.end9554, label %logic.rhs9553
+logic.rhs9553:
+  %t184 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  %t185 = load i1, ptr %t184
+  %t186 = load i1, ptr %a162
+  %t187 = icmp ne i1 %t185, %t186
+  br label %logic.rend9555
+logic.rend9555:
+  br label %logic.end9554
+logic.end9554:
+  %t188 = phi i1 [ true, %logic.from9552 ], [ %t187, %logic.rend9555 ]
+  %t189 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  store i1 %t188, ptr %t189
+  %t190 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 6
+  %t191 = load { ptr, i64, i64 }, ptr %t190
+  store { ptr, i64, i64 } { ptr @.str.6503, i64 0, i64 0 }, ptr %t190
+  store { ptr, i64, i64 } %t191, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t194 = load i1, ptr %t193
+  br i1 %t194, label %then9556, label %endif9558
+then9556:
+  %t195 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 6
+  %t196 = load { ptr, i64, i64 }, ptr %t195
+  store { ptr, i64, i64 } { ptr @.str.6504, i64 4, i64 0 }, ptr %t195
+  store { ptr, i64, i64 } %t196, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  br label %endif9558
+endif9558:
+  %t198 = extractvalue { ptr, i64, i64 } { ptr @.str.6505, i64 8, i64 0 }, 0
+  %t199 = icmp eq ptr %t198, null
+  %t200 = select i1 %t199, ptr @.str.6506, ptr %t198
+  %t201 = call ptr @getenv(ptr %t200)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a202
+  call void @finch_str_from_c(ptr %a202, ptr %t201)
+  %t203 = load { ptr, i64, i64 }, ptr %a202
+  store { ptr, i64, i64 } %t203, ptr %a204
+  call void @finch_str_copy(ptr %a205, ptr %a204)
+  %t206 = load { ptr, i64, i64 }, ptr %a205
+  store { ptr, i64, i64 } %t206, ptr %a207
+  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %a207, i32 0, i32 1
+  %t209 = load i64, ptr %t208
+  %t210 = icmp sgt i64 %t209, 0
+  br i1 %t210, label %then9559, label %else9560
+then9559:
+  %t211 = load { ptr, i64, i64 }, ptr %a207
+  %t212 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  store { ptr, i64, i64 } %t211, ptr %a213
+  call void @finch_str_copy(ptr %a214, ptr %a213)
+  %t215 = load { ptr, i64, i64 }, ptr %a214
+  %t216 = load { ptr, i64, i64 }, ptr %t212
+  store { ptr, i64, i64 } %t215, ptr %t212
+  store { ptr, i64, i64 } %t216, ptr %a217
+  call void @finch_str_drop(ptr %a217)
+  br label %endif9561
+else9560:
+  %t218 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t219 = load i1, ptr %t218
+  br label %logic.from9562
+logic.from9562:
+  br i1 %t219, label %logic.rhs9563, label %logic.end9564
+logic.rhs9563:
+  %t220 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t221 = load i1, ptr %t220
+  br label %logic.rend9565
+logic.rend9565:
+  br label %logic.end9564
+logic.end9564:
+  %t222 = phi i1 [ false, %logic.from9562 ], [ %t221, %logic.rend9565 ]
+  br i1 %t222, label %then9566, label %else9567
+then9566:
+  %t223 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t224 = load { ptr, i64, i64 }, ptr %t223
+  store { ptr, i64, i64 } { ptr @.str.6507, i64 22, i64 0 }, ptr %t223
+  store { ptr, i64, i64 } %t224, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  br label %endif9568
+else9567:
+  %t226 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t227 = load i1, ptr %t226
+  br label %logic.from9569
+logic.from9569:
+  br i1 %t227, label %logic.rhs9570, label %logic.end9571
+logic.rhs9570:
+  %t228 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  %t229 = load i1, ptr %t228
+  br label %logic.rend9572
+logic.rend9572:
+  br label %logic.end9571
+logic.end9571:
+  %t230 = phi i1 [ false, %logic.from9569 ], [ %t229, %logic.rend9572 ]
+  br label %logic.from9573
+logic.from9573:
+  br i1 %t230, label %logic.rhs9574, label %logic.end9575
+logic.rhs9574:
+  %t231 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
   %t232 = load i1, ptr %t231
-  br label %logic.from9079
-logic.from9079:
-  br i1 %t232, label %logic.rhs9080, label %logic.end9081
-logic.rhs9080:
-  %t233 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  %t234 = load i1, ptr %t233
-  br label %logic.rend9082
-logic.rend9082:
-  br label %logic.end9081
-logic.end9081:
-  %t235 = phi i1 [ false, %logic.from9079 ], [ %t234, %logic.rend9082 ]
-  br label %logic.from9083
-logic.from9083:
-  br i1 %t235, label %logic.rhs9084, label %logic.end9085
-logic.rhs9084:
-  %t236 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  %t237 = load i1, ptr %t236
-  %t238 = xor i1 %t237, true
-  br label %logic.rend9086
-logic.rend9086:
-  br label %logic.end9085
-logic.end9085:
-  %t239 = phi i1 [ false, %logic.from9083 ], [ %t238, %logic.rend9086 ]
-  br i1 %t239, label %then9087, label %endif9089
-then9087:
-  %t240 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 8
-  store { ptr, i64, i64 } { ptr @.str.6264, i64 13, i64 0 }, ptr %t240
-  br label %endif9089
-endif9089:
-  br label %endif9078
-endif9078:
-  %t241 = load %S.platform.Target, ptr %a66
-  store %S.platform.Target %t241, ptr %a242
-  call void @finch.copy.S_platform_Target(ptr %a243, ptr %a242)
-  %t244 = load %S.platform.Target, ptr %a243
-  ret %S.platform.Target %t244
+  %t233 = xor i1 %t232, true
+  br label %logic.rend9576
+logic.rend9576:
+  br label %logic.end9575
+logic.end9575:
+  %t234 = phi i1 [ false, %logic.from9573 ], [ %t233, %logic.rend9576 ]
+  br i1 %t234, label %then9577, label %else9578
+then9577:
+  %t235 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t236 = load { ptr, i64, i64 }, ptr %t235
+  store { ptr, i64, i64 } { ptr @.str.6508, i64 21, i64 0 }, ptr %t235
+  store { ptr, i64, i64 } %t236, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  br label %endif9579
+else9578:
+  %t238 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t239 = load i1, ptr %t238
+  br i1 %t239, label %then9580, label %else9581
+then9580:
+  %t240 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6509, i64 15, i64 0 }, ptr %a242
+  store { ptr, i64, i64 } %t240, ptr %a243
+  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
+  %t244 = load { ptr, i64, i64 }, ptr %a241
+  %t245 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t246 = load { ptr, i64, i64 }, ptr %t245
+  store { ptr, i64, i64 } %t244, ptr %t245
+  store { ptr, i64, i64 } %t246, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  br label %endif9582
+else9581:
+  %t248 = call { ptr, i64, i64 } @finch.host.pathSeparator()
+  store { ptr, i64, i64 } %t248, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.6510, i64 1, i64 0 }, ptr %a250
+  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
+  %t252 = icmp ne i32 %t251, 0
+  store { ptr, i64, i64 } %t248, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  br i1 %t252, label %then9583, label %else9584
+then9583:
+  %t254 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t255 = load { ptr, i64, i64 }, ptr %t254
+  store { ptr, i64, i64 } { ptr @.str.6511, i64 5, i64 0 }, ptr %t254
+  store { ptr, i64, i64 } %t255, ptr %a256
+  call void @finch_str_drop(ptr %a256)
+  br label %endif9585
+else9584:
+  %t257 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } { ptr @.str.6512, i64 2, i64 0 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
+  call void @finch_str_drop(ptr %a259)
+  br label %endif9585
+endif9585:
+  br label %endif9582
+endif9582:
+  br label %endif9579
+endif9579:
+  br label %endif9568
+endif9568:
+  br label %endif9561
+endif9561:
+  %t260 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t261 = load i1, ptr %t260
+  br label %logic.from9586
+logic.from9586:
+  br i1 %t261, label %logic.rhs9587, label %logic.end9588
+logic.rhs9587:
+  %t262 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t263 = load i1, ptr %t262
+  br label %logic.rend9589
+logic.rend9589:
+  br label %logic.end9588
+logic.end9588:
+  %t264 = phi i1 [ false, %logic.from9586 ], [ %t263, %logic.rend9589 ]
+  br i1 %t264, label %then9590, label %else9591
+then9590:
+  %t265 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 8
+  %t266 = load { ptr, i64, i64 }, ptr %t265
+  store { ptr, i64, i64 } { ptr @.str.6513, i64 5, i64 0 }, ptr %t265
+  store { ptr, i64, i64 } %t266, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  br label %endif9592
+else9591:
+  %t268 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t269 = load i1, ptr %t268
+  br label %logic.from9593
+logic.from9593:
+  br i1 %t269, label %logic.rhs9594, label %logic.end9595
+logic.rhs9594:
+  %t270 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  %t271 = load i1, ptr %t270
+  br label %logic.rend9596
+logic.rend9596:
+  br label %logic.end9595
+logic.end9595:
+  %t272 = phi i1 [ false, %logic.from9593 ], [ %t271, %logic.rend9596 ]
+  br label %logic.from9597
+logic.from9597:
+  br i1 %t272, label %logic.rhs9598, label %logic.end9599
+logic.rhs9598:
+  %t273 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
+  %t274 = load i1, ptr %t273
+  %t275 = xor i1 %t274, true
+  br label %logic.rend9600
+logic.rend9600:
+  br label %logic.end9599
+logic.end9599:
+  %t276 = phi i1 [ false, %logic.from9597 ], [ %t275, %logic.rend9600 ]
+  br i1 %t276, label %then9601, label %endif9603
+then9601:
+  %t277 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 8
+  %t278 = load { ptr, i64, i64 }, ptr %t277
+  store { ptr, i64, i64 } { ptr @.str.6514, i64 13, i64 0 }, ptr %t277
+  store { ptr, i64, i64 } %t278, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  br label %endif9603
+endif9603:
+  br label %endif9592
+endif9592:
+  %t280 = load %S.platform.Target, ptr %a78
+  call void @finch_str_drop(ptr %a207)
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a3)
+  ret %S.platform.Target %t280
 }
 
 define internal i1 @finch.platform.charIsSigned(%S.platform.Target %p0) {
@@ -81895,28 +98757,28 @@ entry:
   %t2 = getelementptr inbounds %S.platform.Target, ptr %a1, i32 0, i32 4
   %t3 = load i1, ptr %t2
   %t4 = xor i1 %t3, true
-  br label %logic.from9090
-logic.from9090:
-  br i1 %t4, label %logic.end9092, label %logic.rhs9091
-logic.rhs9091:
+  br label %logic.from9604
+logic.from9604:
+  br i1 %t4, label %logic.end9606, label %logic.rhs9605
+logic.rhs9605:
   %t5 = getelementptr inbounds %S.platform.Target, ptr %a1, i32 0, i32 3
   %t6 = load i1, ptr %t5
-  br label %logic.rend9093
-logic.rend9093:
-  br label %logic.end9092
-logic.end9092:
-  %t7 = phi i1 [ true, %logic.from9090 ], [ %t6, %logic.rend9093 ]
-  br label %logic.from9094
-logic.from9094:
-  br i1 %t7, label %logic.end9096, label %logic.rhs9095
-logic.rhs9095:
+  br label %logic.rend9607
+logic.rend9607:
+  br label %logic.end9606
+logic.end9606:
+  %t7 = phi i1 [ true, %logic.from9604 ], [ %t6, %logic.rend9607 ]
+  br label %logic.from9608
+logic.from9608:
+  br i1 %t7, label %logic.end9610, label %logic.rhs9609
+logic.rhs9609:
   %t8 = getelementptr inbounds %S.platform.Target, ptr %a1, i32 0, i32 1
   %t9 = load i1, ptr %t8
-  br label %logic.rend9097
-logic.rend9097:
-  br label %logic.end9096
-logic.end9096:
-  %t10 = phi i1 [ true, %logic.from9094 ], [ %t9, %logic.rend9097 ]
+  br label %logic.rend9611
+logic.rend9611:
+  br label %logic.end9610
+logic.end9610:
+  %t10 = phi i1 [ true, %logic.from9608 ], [ %t9, %logic.rend9611 ]
   ret i1 %t10
 }
 
@@ -81935,14 +98797,14 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   store i32 2166136261, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond9098
-each.cond9098:
+  br label %each.cond9612
+each.cond9612:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body9099, label %each.end9101
-each.body9099:
+  br i1 %t7, label %each.body9613, label %each.end9615
+each.body9613:
   %t8 = load ptr, ptr %a1
   %t9 = getelementptr inbounds i8, ptr %t8, i64 %t6
   %t10 = load i8, ptr %t9
@@ -81953,22 +98815,22 @@ each.body9099:
   %t15 = xor i32 %t12, %t14
   %t16 = mul i32 %t15, 16777619
   store i32 %t16, ptr %a2
-  br label %each.step9100
-each.step9100:
+  br label %each.step9614
+each.step9614:
   %t17 = load i64, ptr %a3
   %t18 = add i64 %t17, 1
   store i64 %t18, ptr %a3
-  br label %each.cond9098
-each.end9101:
-  store { ptr, i64, i64 } { ptr @.str.6265, i64 16, i64 0 }, ptr %a19
+  br label %each.cond9612
+each.end9615:
+  store { ptr, i64, i64 } { ptr @.str.6515, i64 16, i64 0 }, ptr %a19
   store { ptr, i64, i64 } zeroinitializer, ptr %a20
   store i64 0, ptr %a21
-  br label %for.cond9102
-for.cond9102:
+  br label %for.cond9616
+for.cond9616:
   %t22 = load i64, ptr %a21
   %t23 = icmp slt i64 %t22, 8
-  br i1 %t23, label %for.body9103, label %for.end9105
-for.body9103:
+  br i1 %t23, label %for.body9617, label %for.end9619
+for.body9617:
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
   %t25 = load i32, ptr %a2
   %t26 = load i64, ptr %a21
@@ -81981,11 +98843,11 @@ for.body9103:
   %t33 = load { ptr, i64, i64 }, ptr %a19
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range9106, label %inrange9107
-range9106:
-  call void @finch_panic_index(ptr @.str.6266, i64 17, i64 %t32, i64 %t34)
+  br i1 %t35, label %range9620, label %inrange9621
+range9620:
+  call void @finch_panic_index(ptr @.str.6516, i64 16, i64 %t32, i64 %t34)
   unreachable
-inrange9107:
+inrange9621:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds i8, ptr %t36, i64 %t32
   %t38 = load i8, ptr %t37
@@ -81998,114 +98860,29 @@ inrange9107:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
   store { ptr, i64, i64 } %t40, ptr %t44
   store i64 %t42, ptr %t24
-  br label %for.step9104
-for.step9104:
+  br label %for.step9618
+for.step9618:
   %t45 = load i64, ptr %a21
   %t46 = add i64 %t45, 1
   store i64 %t46, ptr %a21
-  br label %for.cond9102
-for.end9105:
+  br label %for.cond9616
+for.end9619:
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6267, i64 0, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.6517, i64 0, i64 0 }, ptr %a48
   call void @finch_str_join(ptr %a49, ptr %a20, ptr %a48)
   %t50 = load { ptr, i64, i64 }, ptr %a49
+  call void @finch.drop.arr_str(ptr %a20)
+  call void @finch_str_drop(ptr %a19)
   ret { ptr, i64, i64 } %t50
 }
 
 define internal { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
-  %a3 = alloca { ptr, i64, i64 }, align 16
-  %a4 = alloca { ptr, i64, i64 }, align 16
-  %a5 = alloca { ptr, i64, i64 }, align 16
-  %a6 = alloca { ptr, i64, i64 }, align 16
-  %a8 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6270, i64 1, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6271, i64 4, i64 0 }, ptr %a6
-  call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
-  %t7 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6268, i64 1, i64 0 }, ptr %a9
-  store { ptr, i64, i64 } %t7, ptr %a10
-  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t11, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.6272, i64 1, i64 0 }, ptr %a14
-  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  ret { ptr, i64, i64 } %t15
-}
-
-define internal { ptr, i64, i64 } @finch.linker.cacheDir() {
-entry:
-  %a5 = alloca { ptr, i64, i64 }, align 16
-  %a7 = alloca { ptr, i64, i64 }, align 16
-  %a8 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6273, i64 14, i64 0 }, 0
-  %t2 = icmp eq ptr %t1, null
-  %t3 = select i1 %t2, ptr @.str.6274, ptr %t1
-  %t4 = call ptr @getenv(ptr %t3)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a5
-  call void @finch_str_from_c(ptr %a5, ptr %t4)
-  %t6 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t6, ptr %a7
-  call void @finch_str_copy(ptr %a8, ptr %a7)
-  %t9 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t9, ptr %a10
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
-  %t12 = load i64, ptr %t11
-  %t13 = icmp sgt i64 %t12, 0
-  br i1 %t13, label %then9108, label %endif9110
-then9108:
-  %t14 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.6275, i64 6, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  ret { ptr, i64, i64 } %t18
-endif9110:
-  %t19 = extractvalue { ptr, i64, i64 } { ptr @.str.6276, i64 4, i64 0 }, 0
-  %t20 = icmp eq ptr %t19, null
-  %t21 = select i1 %t20, ptr @.str.6277, ptr %t19
-  %t22 = call ptr @getenv(ptr %t21)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a23
-  call void @finch_str_from_c(ptr %a23, ptr %t22)
-  %t24 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t27, ptr %a28
-  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t30 = load i64, ptr %t29
-  %t31 = icmp sgt i64 %t30, 0
-  br i1 %t31, label %then9111, label %endif9113
-then9111:
-  %t32 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.6278, i64 13, i64 0 }, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  ret { ptr, i64, i64 } %t36
-endif9113:
-  ret { ptr, i64, i64 } { ptr @.str.6279, i64 16, i64 0 }
+  %t3 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t2)
+  ret { ptr, i64, i64 } %t3
 }
 
 define internal { ptr, i64, i64 } @finch.linker.libFlags({ ptr, i64, i64 } %p0, %S.platform.Target %p1) {
@@ -82120,163 +98897,228 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i64, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca i64, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.platform.Target %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6281, i64 10, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.6519, i64 10, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_ends(ptr %a4, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br i1 %t8, label %then9114, label %endif9116
-then9114:
+  br i1 %t8, label %then9622, label %endif9624
+then9622:
   %t9 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t9, ptr %a10
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = sub i64 %t13, 10
-  call void @finch_str_sub(ptr %a11, ptr %a10, i64 0, i64 %t14, ptr @.str.6283, i64 42)
+  call void @finch_str_sub(ptr %a11, ptr %a10, i64 0, i64 %t14, ptr @.str.6521, i64 28)
   %t15 = load { ptr, i64, i64 }, ptr %a11
   %t16 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t15)
-  store { ptr, i64, i64 } { ptr @.str.6282, i64 11, i64 0 }, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  ret { ptr, i64, i64 } %t20
-endif9116:
-  %t21 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
-  %t22 = load i1, ptr %t21
-  %t23 = xor i1 %t22, true
-  br i1 %t23, label %then9117, label %endif9119
-then9117:
-  store { ptr, i64, i64 } { ptr @.str.6284, i64 24, i64 0 }, ptr %a24
-  %t25 = load { ptr, i64, i64 }, ptr %a1
-  %t26 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t25)
-  store { ptr, i64, i64 } { ptr @.str.6285, i64 18, i64 0 }, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
+  store { ptr, i64, i64 } %t15, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  store { ptr, i64, i64 } { ptr @.str.6520, i64 11, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t16, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  ret { ptr, i64, i64 } %t22
+endif9624:
+  %t23 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
+  %t24 = load i1, ptr %t23
+  %t25 = xor i1 %t24, true
+  br i1 %t25, label %then9625, label %endif9627
+then9625:
+  %t26 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.6522, i64 17, i64 0 }, ptr %a29
   call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.6286, i64 4, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a33, i64 %t32)
+  %t34 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t31, ptr %a36
   store { ptr, i64, i64 } %t34, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t39, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.6287, i64 14, i64 0 }, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a45
-  call void @finch_str_copy(ptr %a44, ptr %a45)
-  %t46 = call i64 @finch_shell(ptr %a44)
-  store i64 %t46, ptr %a47
-  %t48 = load i64, ptr %a47
-  %t49 = icmp eq i64 %t48, 0
-  br label %logic.from9120
-logic.from9120:
-  br i1 %t49, label %logic.rhs9121, label %logic.end9122
-logic.rhs9121:
-  %t50 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t50, ptr %a51
-  %t52 = call i32 @finch_file_exists(ptr %a51)
-  %t53 = icmp ne i32 %t52, 0
-  br label %logic.rend9123
-logic.rend9123:
-  br label %logic.end9122
-logic.end9122:
-  %t54 = phi i1 [ false, %logic.from9120 ], [ %t53, %logic.rend9123 ]
-  br i1 %t54, label %then9124, label %endif9126
-then9124:
-  %t55 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } zeroinitializer, ptr %a57
-  store { ptr, i64, i64 } zeroinitializer, ptr %a58
-  %t59 = call i32 @finch_try_read_file(ptr %a57, ptr %a56, ptr %a58)
-  %t60 = icmp eq i32 %t59, 0
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load { ptr, i64, i64 }, ptr %a57
-  br i1 %t60, label %or.failed9127, label %or.ok9128
-or.failed9127:
-  store { ptr, i64, i64 } %t61, ptr %a63
-  br label %or.bend9129
-or.bend9129:
-  br label %or.end9130
-or.ok9128:
-  br label %or.end9130
-or.end9130:
-  %t64 = phi { ptr, i64, i64 } [ { ptr @.str.6288, i64 0, i64 0 }, %or.bend9129 ], [ %t62, %or.ok9128 ]
-  store { ptr, i64, i64 } %t64, ptr %a65
-  call void @finch_str_trim(ptr %a66, ptr %a65)
-  %t67 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t67, ptr %a68
-  %t69 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.6290, i64 7, i64 0 }, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.6291, i64 1, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  call void @finch_str_copy(ptr %a78, ptr %a79)
-  %t80 = call i64 @finch_shell(ptr %a78)
-  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %a68, i32 0, i32 1
-  %t82 = load i64, ptr %t81
-  %t83 = icmp sgt i64 %t82, 0
-  br i1 %t83, label %then9131, label %endif9133
-then9131:
-  %t84 = load { ptr, i64, i64 }, ptr %a68
-  ret { ptr, i64, i64 } %t84
-endif9133:
-  br label %endif9126
-endif9126:
-  br label %endif9119
-endif9119:
-  %t85 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6292, i64 2, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t89)
-  ret { ptr, i64, i64 } %t90
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t31, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.6523, i64 4, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t45, ptr %a46
+  %t47 = load { ptr, i64, i64 }, ptr %a1
+  %t48 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t47)
+  store { ptr, i64, i64 } { ptr @.str.6524, i64 18, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t53, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.6525, i64 3, i64 0 }, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  %t59 = load { ptr, i64, i64 }, ptr %a46
+  %t60 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t59)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t58, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.6526, i64 4, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = call { ptr, i64, i64 } @finch.host.nullDevice()
+  store { ptr, i64, i64 } %t71, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t71, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  store { ptr, i64, i64 } %t72, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a73
+  %t79 = call i64 @finch.host.run({ ptr, i64, i64 } %t78)
+  store { ptr, i64, i64 } %t78, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  store i64 %t79, ptr %a81
+  %t82 = load i64, ptr %a81
+  %t83 = icmp eq i64 %t82, 0
+  br label %logic.from9628
+logic.from9628:
+  br i1 %t83, label %logic.rhs9629, label %logic.end9630
+logic.rhs9629:
+  %t84 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t84, ptr %a85
+  %t86 = call i32 @finch_file_exists(ptr %a85)
+  %t87 = icmp ne i32 %t86, 0
+  br label %logic.rend9631
+logic.rend9631:
+  br label %logic.end9630
+logic.end9630:
+  %t88 = phi i1 [ false, %logic.from9628 ], [ %t87, %logic.rend9631 ]
+  br i1 %t88, label %then9632, label %endif9634
+then9632:
+  %t89 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t89, ptr %a90
+  store { ptr, i64, i64 } zeroinitializer, ptr %a91
+  store { ptr, i64, i64 } zeroinitializer, ptr %a92
+  %t93 = call i32 @finch_try_read_file(ptr %a91, ptr %a90, ptr %a92)
+  %t94 = icmp eq i32 %t93, 0
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  %t96 = load { ptr, i64, i64 }, ptr %a91
+  br i1 %t94, label %or.failed9635, label %or.ok9636
+or.failed9635:
+  store { ptr, i64, i64 } %t95, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  br label %or.bend9637
+or.bend9637:
+  br label %or.end9638
+or.ok9636:
+  br label %or.end9638
+or.end9638:
+  %t98 = phi { ptr, i64, i64 } [ { ptr @.str.6527, i64 0, i64 0 }, %or.bend9637 ], [ %t96, %or.ok9636 ]
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_trim(ptr %a100, ptr %a99)
+  %t101 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  store { ptr, i64, i64 } %t101, ptr %a103
+  %t104 = load { ptr, i64, i64 }, ptr %a46
+  call void @finch.host.remove({ ptr, i64, i64 } %t104)
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %a103, i32 0, i32 1
+  %t106 = load i64, ptr %t105
+  %t107 = icmp sgt i64 %t106, 0
+  br i1 %t107, label %then9639, label %endif9641
+then9639:
+  %t108 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch_str_drop(ptr %a46)
+  ret { ptr, i64, i64 } %t108
+endif9641:
+  call void @finch_str_drop(ptr %a103)
+  br label %endif9634
+endif9634:
+  call void @finch_str_drop(ptr %a46)
+  br label %endif9627
+endif9627:
+  %t109 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } { ptr @.str.6529, i64 2, i64 0 }, ptr %a111
+  store { ptr, i64, i64 } %t109, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  %t113 = load { ptr, i64, i64 }, ptr %a110
+  %t114 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t113)
+  store { ptr, i64, i64 } %t113, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  ret { ptr, i64, i64 } %t114
 }
 
 define internal { ptr, i64, i64 } @finch.linker.guessLib({ ptr, i64, i64 } %p0) {
@@ -82292,16 +99134,19 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i64, align 16
-  %a33 = alloca i64, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca i64, align 16
+  %a35 = alloca i64, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -82310,145 +99155,155 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6294, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6531, i64 1, i64 0 }, ptr %a10
   %t11 = call i64 @finch_str_find(ptr %a8, ptr %a10)
   store i64 %t11, ptr %a12
-  br label %while.cond9134
-while.cond9134:
+  br label %while.cond9642
+while.cond9642:
   %t13 = load i64, ptr %a12
   %t14 = icmp sge i64 %t13, 0
-  br i1 %t14, label %while.body9135, label %while.end9136
-while.body9135:
+  br i1 %t14, label %while.body9643, label %while.end9644
+while.body9643:
   %t15 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t15, ptr %a16
   %t18 = load i64, ptr %a12
   %t19 = add i64 %t18, 1
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
   %t21 = load i64, ptr %t20
-  call void @finch_str_sub(ptr %a17, ptr %a16, i64 %t19, i64 %t21, ptr @.str.6295, i64 63)
+  call void @finch_str_sub(ptr %a17, ptr %a16, i64 %t19, i64 %t21, ptr @.str.6532, i64 49)
   %t22 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t22, ptr %a6
   %t23 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t22, ptr %a6
   store { ptr, i64, i64 } %t23, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.6297, i64 1, i64 0 }, ptr %a26
-  %t27 = call i64 @finch_str_find(ptr %a24, ptr %a26)
-  store i64 %t27, ptr %a12
-  br label %while.cond9134
-while.end9136:
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t29 = load i64, ptr %t28
-  store i64 %t29, ptr %a30
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t32 = load i64, ptr %t31
-  store i64 0, ptr %a33
-  br label %for.cond9137
-for.cond9137:
-  %t34 = load i64, ptr %a33
-  %t35 = icmp slt i64 %t34, %t32
-  br i1 %t35, label %for.body9138, label %for.end9140
-for.body9138:
-  %t36 = load i64, ptr %a33
-  %t37 = load { ptr, i64, i64 }, ptr %a6
-  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
-  %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range9141, label %inrange9142
-range9141:
-  call void @finch_panic_index(ptr @.str.6298, i64 68, i64 %t36, i64 %t38)
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t25, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.6534, i64 1, i64 0 }, ptr %a28
+  %t29 = call i64 @finch_str_find(ptr %a26, ptr %a28)
+  store i64 %t29, ptr %a12
+  br label %while.cond9642
+while.end9644:
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t31 = load i64, ptr %t30
+  store i64 %t31, ptr %a32
+  %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t34 = load i64, ptr %t33
+  store i64 0, ptr %a35
+  br label %for.cond9645
+for.cond9645:
+  %t36 = load i64, ptr %a35
+  %t37 = icmp slt i64 %t36, %t34
+  br i1 %t37, label %for.body9646, label %for.end9648
+for.body9646:
+  %t38 = load i64, ptr %a35
+  %t39 = load { ptr, i64, i64 }, ptr %a6
+  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
+  %t41 = icmp uge i64 %t38, %t40
+  br i1 %t41, label %range9649, label %inrange9650
+range9649:
+  call void @finch_panic_index(ptr @.str.6535, i64 54, i64 %t38, i64 %t40)
   unreachable
-inrange9142:
-  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
-  %t41 = getelementptr inbounds i8, ptr %t40, i64 %t36
-  %t42 = load i8, ptr %t41
-  %t43 = icmp eq i8 %t42, 46
-  br i1 %t43, label %then9143, label %endif9145
-then9143:
-  %t44 = load i64, ptr %a33
-  store i64 %t44, ptr %a30
-  br label %endif9145
-endif9145:
-  br label %for.step9139
-for.step9139:
-  %t45 = load i64, ptr %a33
-  %t46 = add i64 %t45, 1
-  store i64 %t46, ptr %a33
-  br label %for.cond9137
-for.end9140:
-  %t47 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t47, ptr %a48
-  %t50 = load i64, ptr %a30
-  call void @finch_str_sub(ptr %a49, ptr %a48, i64 0, i64 %t50, ptr @.str.6299, i64 72)
-  %t51 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t51, ptr %a6
-  br label %while.cond9146
-while.cond9146:
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t53 = load i64, ptr %t52
-  %t54 = icmp sgt i64 %t53, 0
-  br label %logic.from9149
-logic.from9149:
-  br i1 %t54, label %logic.rhs9150, label %logic.end9151
-logic.rhs9150:
-  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t56 = load i64, ptr %t55
-  %t57 = sub i64 %t56, 1
-  %t58 = load { ptr, i64, i64 }, ptr %a6
-  %t59 = extractvalue { ptr, i64, i64 } %t58, 1
-  %t60 = icmp uge i64 %t57, %t59
-  br i1 %t60, label %range9152, label %inrange9153
-range9152:
-  call void @finch_panic_index(ptr @.str.6300, i64 73, i64 %t57, i64 %t59)
+inrange9650:
+  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
+  %t43 = getelementptr inbounds i8, ptr %t42, i64 %t38
+  %t44 = load i8, ptr %t43
+  %t45 = icmp eq i8 %t44, 46
+  br i1 %t45, label %then9651, label %endif9653
+then9651:
+  %t46 = load i64, ptr %a35
+  store i64 %t46, ptr %a32
+  br label %endif9653
+endif9653:
+  br label %for.step9647
+for.step9647:
+  %t47 = load i64, ptr %a35
+  %t48 = add i64 %t47, 1
+  store i64 %t48, ptr %a35
+  br label %for.cond9645
+for.end9648:
+  %t49 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t49, ptr %a50
+  %t52 = load i64, ptr %a32
+  call void @finch_str_sub(ptr %a51, ptr %a50, i64 0, i64 %t52, ptr @.str.6536, i64 58)
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  %t54 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t53, ptr %a6
+  store { ptr, i64, i64 } %t54, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  br label %while.cond9654
+while.cond9654:
+  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t57 = load i64, ptr %t56
+  %t58 = icmp sgt i64 %t57, 0
+  br label %logic.from9657
+logic.from9657:
+  br i1 %t58, label %logic.rhs9658, label %logic.end9659
+logic.rhs9658:
+  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t60 = load i64, ptr %t59
+  %t61 = sub i64 %t60, 1
+  %t62 = load { ptr, i64, i64 }, ptr %a6
+  %t63 = extractvalue { ptr, i64, i64 } %t62, 1
+  %t64 = icmp uge i64 %t61, %t63
+  br i1 %t64, label %range9660, label %inrange9661
+range9660:
+  call void @finch_panic_index(ptr @.str.6537, i64 59, i64 %t61, i64 %t63)
   unreachable
-inrange9153:
-  %t61 = extractvalue { ptr, i64, i64 } %t58, 0
-  %t62 = getelementptr inbounds i8, ptr %t61, i64 %t57
-  %t63 = load i8, ptr %t62
-  %t64 = icmp uge i8 %t63, 48
-  br label %logic.rend9154
-logic.rend9154:
-  br label %logic.end9151
-logic.end9151:
-  %t65 = phi i1 [ false, %logic.from9149 ], [ %t64, %logic.rend9154 ]
-  br label %logic.from9155
-logic.from9155:
-  br i1 %t65, label %logic.rhs9156, label %logic.end9157
-logic.rhs9156:
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t67 = load i64, ptr %t66
-  %t68 = sub i64 %t67, 1
-  %t69 = load { ptr, i64, i64 }, ptr %a6
-  %t70 = extractvalue { ptr, i64, i64 } %t69, 1
-  %t71 = icmp uge i64 %t68, %t70
-  br i1 %t71, label %range9158, label %inrange9159
-range9158:
-  call void @finch_panic_index(ptr @.str.6301, i64 73, i64 %t68, i64 %t70)
+inrange9661:
+  %t65 = extractvalue { ptr, i64, i64 } %t62, 0
+  %t66 = getelementptr inbounds i8, ptr %t65, i64 %t61
+  %t67 = load i8, ptr %t66
+  %t68 = icmp uge i8 %t67, 48
+  br label %logic.rend9662
+logic.rend9662:
+  br label %logic.end9659
+logic.end9659:
+  %t69 = phi i1 [ false, %logic.from9657 ], [ %t68, %logic.rend9662 ]
+  br label %logic.from9663
+logic.from9663:
+  br i1 %t69, label %logic.rhs9664, label %logic.end9665
+logic.rhs9664:
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t71 = load i64, ptr %t70
+  %t72 = sub i64 %t71, 1
+  %t73 = load { ptr, i64, i64 }, ptr %a6
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 %t72, %t74
+  br i1 %t75, label %range9666, label %inrange9667
+range9666:
+  call void @finch_panic_index(ptr @.str.6538, i64 59, i64 %t72, i64 %t74)
   unreachable
-inrange9159:
-  %t72 = extractvalue { ptr, i64, i64 } %t69, 0
-  %t73 = getelementptr inbounds i8, ptr %t72, i64 %t68
-  %t74 = load i8, ptr %t73
-  %t75 = icmp ule i8 %t74, 57
-  br label %logic.rend9160
-logic.rend9160:
-  br label %logic.end9157
-logic.end9157:
-  %t76 = phi i1 [ false, %logic.from9155 ], [ %t75, %logic.rend9160 ]
-  br i1 %t76, label %while.body9147, label %while.end9148
-while.body9147:
-  %t77 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t81 = load i64, ptr %t80
-  %t82 = sub i64 %t81, 1
-  call void @finch_str_sub(ptr %a79, ptr %a78, i64 0, i64 %t82, ptr @.str.6302, i64 74)
-  %t83 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t83, ptr %a6
-  br label %while.cond9146
-while.end9148:
-  %t84 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t84, ptr %a85
-  call void @finch_str_lower(ptr %a86, ptr %a85)
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  ret { ptr, i64, i64 } %t87
+inrange9667:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds i8, ptr %t76, i64 %t72
+  %t78 = load i8, ptr %t77
+  %t79 = icmp ule i8 %t78, 57
+  br label %logic.rend9668
+logic.rend9668:
+  br label %logic.end9665
+logic.end9665:
+  %t80 = phi i1 [ false, %logic.from9663 ], [ %t79, %logic.rend9668 ]
+  br i1 %t80, label %while.body9655, label %while.end9656
+while.body9655:
+  %t81 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t81, ptr %a82
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = sub i64 %t85, 1
+  call void @finch_str_sub(ptr %a83, ptr %a82, i64 0, i64 %t86, ptr @.str.6539, i64 60)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  %t88 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t87, ptr %a6
+  store { ptr, i64, i64 } %t88, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  br label %while.cond9654
+while.end9656:
+  %t90 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t90, ptr %a91
+  call void @finch_str_lower(ptr %a92, ptr %a91)
+  %t93 = load { ptr, i64, i64 }, ptr %a92
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t93
 }
 
 define internal void @finch.linker.Names.add(ptr %self, { ptr, i64, i64 } %p0) {
@@ -82464,10 +99319,10 @@ entry:
   %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t3 = load i64, ptr %t2
   %t4 = icmp sgt i64 %t3, 0
-  br label %logic.from9161
-logic.from9161:
-  br i1 %t4, label %logic.rhs9162, label %logic.end9163
-logic.rhs9162:
+  br label %logic.from9669
+logic.from9669:
+  br i1 %t4, label %logic.rhs9670, label %logic.end9671
+logic.rhs9670:
   %t5 = getelementptr inbounds %S.linker.Names, ptr %self, i32 0, i32 0
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a1
@@ -82475,37 +99330,37 @@ logic.rhs9162:
   %t9 = load i64, ptr %t6
   %t10 = load ptr, ptr %t5
   store i64 0, ptr %a11
-  br label %find.cond9164
-find.cond9164:
+  br label %find.cond9672
+find.cond9672:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t9
-  br i1 %t13, label %find.body9165, label %find.end9168
-find.body9165:
+  br i1 %t13, label %find.body9673, label %find.end9676
+find.body9673:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t12
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
   store { ptr, i64, i64 } %t7, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %find.hit9166, label %find.next9167
-find.hit9166:
+  br i1 %t19, label %find.hit9674, label %find.next9675
+find.hit9674:
   store i64 %t12, ptr %a8
-  br label %find.end9168
-find.next9167:
+  br label %find.end9676
+find.next9675:
   %t20 = add i64 %t12, 1
   store i64 %t20, ptr %a11
-  br label %find.cond9164
-find.end9168:
+  br label %find.cond9672
+find.end9676:
   %t21 = load i64, ptr %a8
   %t22 = icmp sge i64 %t21, 0
   %t23 = xor i1 %t22, true
-  br label %logic.rend9169
-logic.rend9169:
-  br label %logic.end9163
-logic.end9163:
-  %t24 = phi i1 [ false, %logic.from9161 ], [ %t23, %logic.rend9169 ]
-  br i1 %t24, label %then9170, label %endif9172
-then9170:
+  br label %logic.rend9677
+logic.rend9677:
+  br label %logic.end9671
+logic.end9671:
+  %t24 = phi i1 [ false, %logic.from9669 ], [ %t23, %logic.rend9677 ]
+  br i1 %t24, label %then9678, label %endif9680
+then9678:
   %t25 = getelementptr inbounds %S.linker.Names, ptr %self, i32 0, i32 0
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i32 0, i32 1
   %t27 = load { ptr, i64, i64 }, ptr %a1
@@ -82519,8 +99374,8 @@ then9170:
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
   store { ptr, i64, i64 } %t30, ptr %t34
   store i64 %t32, ptr %t26
-  br label %endif9172
-endif9172:
+  br label %endif9680
+endif9680:
   ret void
 }
 
@@ -82541,8 +99396,9 @@ entry:
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -82554,10 +99410,10 @@ entry:
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br i1 %t12, label %then9173, label %endif9175
-then9173:
-  ret { ptr, i64, i64 } { ptr @.str.6305, i64 0, i64 0 }
-endif9175:
+  br i1 %t12, label %then9681, label %endif9683
+then9681:
+  ret { ptr, i64, i64 } { ptr @.str.6542, i64 0, i64 0 }
+endif9683:
   %t13 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t13, ptr %a14
   %t16 = load i64, ptr %a10
@@ -82566,31 +99422,31 @@ endif9175:
   %t19 = add i64 %t16, %t18
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t21 = load i64, ptr %t20
-  call void @finch_str_sub(ptr %a15, ptr %a14, i64 %t19, i64 %t21, ptr @.str.6306, i64 95)
+  call void @finch_str_sub(ptr %a15, ptr %a14, i64 %t19, i64 %t21, ptr @.str.6543, i64 81)
   %t22 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t22, ptr %a23
   store i64 0, ptr %a24
-  br label %while.cond9176
-while.cond9176:
+  br label %while.cond9684
+while.cond9684:
   %t25 = load i64, ptr %a24
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %a23, i32 0, i32 1
   %t27 = load i64, ptr %t26
   %t28 = icmp slt i64 %t25, %t27
-  br label %logic.from9179
-logic.from9179:
-  br i1 %t28, label %logic.rhs9180, label %logic.end9181
-logic.rhs9180:
+  br label %logic.from9687
+logic.from9687:
+  br i1 %t28, label %logic.rhs9688, label %logic.end9689
+logic.rhs9688:
   %t29 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t29, ptr %a30
   %t32 = load i64, ptr %a24
   %t33 = load { ptr, i64, i64 }, ptr %a23
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range9182, label %inrange9183
-range9182:
-  call void @finch_panic_index(ptr @.str.6308, i64 97, i64 %t32, i64 %t34)
+  br i1 %t35, label %range9690, label %inrange9691
+range9690:
+  call void @finch_panic_index(ptr @.str.6545, i64 83, i64 %t32, i64 %t34)
   unreachable
-inrange9183:
+inrange9691:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds i8, ptr %t36, i64 %t32
   %t38 = load i8, ptr %t37
@@ -82599,25 +99455,60 @@ inrange9183:
   store { ptr, i64, i64 } %t40, ptr %a41
   %t42 = call i64 @finch_str_find(ptr %a30, ptr %a41)
   %t43 = icmp sge i64 %t42, 0
-  %t44 = xor i1 %t43, true
-  br label %logic.rend9184
-logic.rend9184:
-  br label %logic.end9181
-logic.end9181:
-  %t45 = phi i1 [ false, %logic.from9179 ], [ %t44, %logic.rend9184 ]
-  br i1 %t45, label %while.body9177, label %while.end9178
-while.body9177:
-  %t46 = load i64, ptr %a24
-  %t47 = add i64 %t46, 1
-  store i64 %t47, ptr %a24
-  br label %while.cond9176
-while.end9178:
-  %t48 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t48, ptr %a49
-  %t51 = load i64, ptr %a24
-  call void @finch_str_sub(ptr %a50, ptr %a49, i64 0, i64 %t51, ptr @.str.6309, i64 100)
-  %t52 = load { ptr, i64, i64 }, ptr %a50
-  ret { ptr, i64, i64 } %t52
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = xor i1 %t43, true
+  br label %logic.rend9692
+logic.rend9692:
+  br label %logic.end9689
+logic.end9689:
+  %t46 = phi i1 [ false, %logic.from9687 ], [ %t45, %logic.rend9692 ]
+  br i1 %t46, label %while.body9685, label %while.end9686
+while.body9685:
+  %t47 = load i64, ptr %a24
+  %t48 = add i64 %t47, 1
+  store i64 %t48, ptr %a24
+  br label %while.cond9684
+while.end9686:
+  %t49 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t49, ptr %a50
+  %t52 = load i64, ptr %a24
+  call void @finch_str_sub(ptr %a51, ptr %a50, i64 0, i64 %t52, ptr @.str.6546, i64 86)
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch_str_drop(ptr %a23)
+  ret { ptr, i64, i64 } %t53
+}
+
+define internal void @finch.drop.S_linker_Names(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.linker.Names, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_linker_Names(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond9796
+n.cond9796:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body9797, label %n.end9798
+n.body9797:
+  %t7 = getelementptr inbounds %S.linker.Names, ptr %t1, i64 %t5
+  call void @finch.drop.S_linker_Names(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond9796
+n.end9798:
+  call void @finch_arr_free(ptr %a)
+  ret void
 }
 
 define internal i64 @finch.linker.linkFailed({ ptr, i64, i64 } %p0, %S.cimport.CImports %p1, %S.platform.Target %p2) {
@@ -82640,125 +99531,153 @@ entry:
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca i64, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca i64, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca i64, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca i64, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca i64, align 16
-  %a223 = alloca i64, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca i64, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca i64, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca i64, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a309 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca i64, align 16
+  %a238 = alloca i64, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca i64, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca i64, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca i64, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
   %a321 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
   %a361 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a382 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a457 = alloca { ptr, i64, i64 }, align 16
+  %a459 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a462 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.cimport.CImports %p1, ptr %a2
   store %S.platform.Target %p2, ptr %a3
@@ -82766,19 +99685,19 @@ entry:
   store %S.linker.Names zeroinitializer, ptr %a5
   %t6 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.6311, i64 1, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.6548, i64 1, i64 0 }, ptr %a9
   call void @finch_str_split(ptr %a10, ptr %a7, ptr %a9)
   %t11 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t11, ptr %a12
   store i64 0, ptr %a13
-  br label %each.cond9185
-each.cond9185:
+  br label %each.cond9693
+each.cond9693:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a12, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = load i64, ptr %a13
   %t17 = icmp slt i64 %t16, %t15
-  br i1 %t17, label %each.body9186, label %each.end9188
-each.body9186:
+  br i1 %t17, label %each.body9694, label %each.end9696
+each.body9694:
   %t18 = load ptr, ptr %a12
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 %t16
   %t20 = load { ptr, i64, i64 }, ptr %t19
@@ -82790,636 +99709,713 @@ each.body9186:
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.6314, i64 24, i64 0 }, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.6551, i64 24, i64 0 }, ptr %a30
   %t31 = call i64 @finch_str_find(ptr %a28, ptr %a30)
   %t32 = icmp sge i64 %t31, 0
-  br i1 %t32, label %then9189, label %else9190
-then9189:
+  br i1 %t32, label %then9697, label %else9698
+then9697:
   %t33 = load { ptr, i64, i64 }, ptr %a26
-  %t34 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t33, { ptr, i64, i64 } { ptr @.str.6315, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6316, i64 1, i64 0 })
+  %t34 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t33, { ptr, i64, i64 } { ptr @.str.6552, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6553, i64 1, i64 0 })
   call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t34)
-  br label %endif9191
-else9190:
-  %t35 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.6318, i64 18, i64 0 }, ptr %a38
-  %t39 = call i64 @finch_str_find(ptr %a36, ptr %a38)
-  %t40 = icmp sge i64 %t39, 0
-  br i1 %t40, label %then9192, label %else9193
-then9192:
-  %t41 = load { ptr, i64, i64 }, ptr %a26
-  %t42 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t41, { ptr, i64, i64 } { ptr @.str.6319, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6320, i64 2, i64 0 })
-  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t42)
-  br label %endif9194
-else9193:
-  %t43 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t34, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  br label %endif9699
+else9698:
+  %t36 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t36, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.6555, i64 18, i64 0 }, ptr %a39
+  %t40 = call i64 @finch_str_find(ptr %a37, ptr %a39)
+  %t41 = icmp sge i64 %t40, 0
+  br i1 %t41, label %then9700, label %else9701
+then9700:
+  %t42 = load { ptr, i64, i64 }, ptr %a26
+  %t43 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t42, { ptr, i64, i64 } { ptr @.str.6556, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6557, i64 2, i64 0 })
+  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t43)
   store { ptr, i64, i64 } %t43, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.6322, i64 27, i64 0 }, ptr %a46
-  %t47 = call i64 @finch_str_find(ptr %a44, ptr %a46)
-  %t48 = icmp sge i64 %t47, 0
-  br i1 %t48, label %then9195, label %else9196
-then9195:
-  %t49 = load { ptr, i64, i64 }, ptr %a26
-  %t50 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t49, { ptr, i64, i64 } { ptr @.str.6323, i64 27, i64 0 }, { ptr, i64, i64 } { ptr @.str.6324, i64 3, i64 0 })
-  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t50)
-  br label %endif9197
-else9196:
+  call void @finch_str_drop(ptr %a44)
+  br label %endif9702
+else9701:
+  %t45 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t45, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.6559, i64 27, i64 0 }, ptr %a48
+  %t49 = call i64 @finch_str_find(ptr %a46, ptr %a48)
+  %t50 = icmp sge i64 %t49, 0
+  br i1 %t50, label %then9703, label %else9704
+then9703:
   %t51 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t51, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.6326, i64 14, i64 0 }, ptr %a54
-  %t55 = call i64 @finch_str_find(ptr %a52, ptr %a54)
-  %t56 = icmp sge i64 %t55, 0
-  br i1 %t56, label %then9198, label %else9199
-then9198:
-  %t57 = load { ptr, i64, i64 }, ptr %a26
-  %t58 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t57, { ptr, i64, i64 } { ptr @.str.6327, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6328, i64 4, i64 0 })
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t58)
-  br label %endif9200
-else9199:
-  %t59 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t59, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.6330, i64 24, i64 0 }, ptr %a62
-  %t63 = call i64 @finch_str_find(ptr %a60, ptr %a62)
-  %t64 = icmp sge i64 %t63, 0
-  br i1 %t64, label %then9201, label %else9202
-then9201:
-  %t65 = load { ptr, i64, i64 }, ptr %a26
-  %t66 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t65, { ptr, i64, i64 } { ptr @.str.6331, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6332, i64 4, i64 0 })
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t66)
-  br label %endif9203
-else9202:
-  %t67 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6334, i64 13, i64 0 }, ptr %a70
-  %t71 = call i64 @finch_str_find(ptr %a68, ptr %a70)
-  %t72 = icmp sge i64 %t71, 0
-  br i1 %t72, label %then9204, label %else9205
-then9204:
-  %t73 = load { ptr, i64, i64 }, ptr %a26
-  %t74 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t73, { ptr, i64, i64 } { ptr @.str.6335, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6336, i64 1, i64 0 })
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t74)
-  br label %endif9206
-else9205:
-  %t75 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.6338, i64 11, i64 0 }, ptr %a78
-  %t79 = call i64 @finch_str_find(ptr %a76, ptr %a78)
-  %t80 = icmp sge i64 %t79, 0
-  br label %logic.from9207
-logic.from9207:
-  br i1 %t80, label %logic.rhs9208, label %logic.end9209
-logic.rhs9208:
+  %t52 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t51, { ptr, i64, i64 } { ptr @.str.6560, i64 27, i64 0 }, { ptr, i64, i64 } { ptr @.str.6561, i64 3, i64 0 })
+  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t52)
+  store { ptr, i64, i64 } %t52, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  br label %endif9705
+else9704:
+  %t54 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t54, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.6563, i64 14, i64 0 }, ptr %a57
+  %t58 = call i64 @finch_str_find(ptr %a55, ptr %a57)
+  %t59 = icmp sge i64 %t58, 0
+  br i1 %t59, label %then9706, label %else9707
+then9706:
+  %t60 = load { ptr, i64, i64 }, ptr %a26
+  %t61 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t60, { ptr, i64, i64 } { ptr @.str.6564, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6565, i64 4, i64 0 })
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t61, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  br label %endif9708
+else9707:
+  %t63 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t63, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.6567, i64 24, i64 0 }, ptr %a66
+  %t67 = call i64 @finch_str_find(ptr %a64, ptr %a66)
+  %t68 = icmp sge i64 %t67, 0
+  br i1 %t68, label %then9709, label %else9710
+then9709:
+  %t69 = load { ptr, i64, i64 }, ptr %a26
+  %t70 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t69, { ptr, i64, i64 } { ptr @.str.6568, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6569, i64 4, i64 0 })
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t70)
+  store { ptr, i64, i64 } %t70, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  br label %endif9711
+else9710:
+  %t72 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t72, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.6571, i64 13, i64 0 }, ptr %a75
+  %t76 = call i64 @finch_str_find(ptr %a73, ptr %a75)
+  %t77 = icmp sge i64 %t76, 0
+  br i1 %t77, label %then9712, label %else9713
+then9712:
+  %t78 = load { ptr, i64, i64 }, ptr %a26
+  %t79 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t78, { ptr, i64, i64 } { ptr @.str.6572, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6573, i64 1, i64 0 })
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t79)
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif9714
+else9713:
   %t81 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t81, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.6340, i64 9, i64 0 }, ptr %a84
+  store { ptr, i64, i64 } { ptr @.str.6575, i64 11, i64 0 }, ptr %a84
   %t85 = call i64 @finch_str_find(ptr %a82, ptr %a84)
   %t86 = icmp sge i64 %t85, 0
-  br label %logic.rend9210
-logic.rend9210:
-  br label %logic.end9209
-logic.end9209:
-  %t87 = phi i1 [ false, %logic.from9207 ], [ %t86, %logic.rend9210 ]
-  br i1 %t87, label %then9211, label %else9212
-then9211:
-  %t88 = load { ptr, i64, i64 }, ptr %a26
-  %t89 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t88, { ptr, i64, i64 } { ptr @.str.6341, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6342, i64 1, i64 0 })
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.6343, i64 10, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t93)
-  br label %endif9213
-else9212:
+  br label %logic.from9715
+logic.from9715:
+  br i1 %t86, label %logic.rhs9716, label %logic.end9717
+logic.rhs9716:
+  %t87 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t87, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.6577, i64 9, i64 0 }, ptr %a90
+  %t91 = call i64 @finch_str_find(ptr %a88, ptr %a90)
+  %t92 = icmp sge i64 %t91, 0
+  br label %logic.rend9718
+logic.rend9718:
+  br label %logic.end9717
+logic.end9717:
+  %t93 = phi i1 [ false, %logic.from9715 ], [ %t92, %logic.rend9718 ]
+  br i1 %t93, label %then9719, label %else9720
+then9719:
   %t94 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t94, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.6345, i64 1, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_starts(ptr %a95, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.from9214
-logic.from9214:
-  br i1 %t99, label %logic.rhs9215, label %logic.end9216
-logic.rhs9215:
-  %t100 = load { ptr, i64, i64 }, ptr %a26
+  %t95 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t94, { ptr, i64, i64 } { ptr @.str.6578, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6579, i64 1, i64 0 })
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.6580, i64 10, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t100)
   store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.6347, i64 19, i64 0 }, ptr %a103
-  %t104 = call i64 @finch_str_find(ptr %a101, ptr %a103)
-  %t105 = icmp sge i64 %t104, 0
-  br label %logic.rend9217
-logic.rend9217:
-  br label %logic.end9216
-logic.end9216:
-  %t106 = phi i1 [ false, %logic.from9214 ], [ %t105, %logic.rend9217 ]
-  br i1 %t106, label %then9218, label %endif9220
-then9218:
-  %t107 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t107, ptr %a108
-  %t110 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t110, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.6350, i64 19, i64 0 }, ptr %a113
-  %t114 = call i64 @finch_str_find(ptr %a111, ptr %a113)
-  call void @finch_str_sub(ptr %a109, ptr %a108, i64 1, i64 %t114, ptr @.str.6348, i64 125)
-  %t115 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch_str_drop(ptr %a101)
+  br label %endif9721
+else9720:
+  %t102 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.6582, i64 1, i64 0 }, ptr %a105
+  %t106 = call i32 @finch_str_starts(ptr %a103, ptr %a105)
+  %t107 = icmp ne i32 %t106, 0
+  br label %logic.from9722
+logic.from9722:
+  br i1 %t107, label %logic.rhs9723, label %logic.end9724
+logic.rhs9723:
+  %t108 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.6584, i64 19, i64 0 }, ptr %a111
+  %t112 = call i64 @finch_str_find(ptr %a109, ptr %a111)
+  %t113 = icmp sge i64 %t112, 0
+  br label %logic.rend9725
+logic.rend9725:
+  br label %logic.end9724
+logic.end9724:
+  %t114 = phi i1 [ false, %logic.from9722 ], [ %t113, %logic.rend9725 ]
+  br i1 %t114, label %then9726, label %endif9728
+then9726:
+  %t115 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t115, ptr %a116
-  %t117 = getelementptr inbounds %S.platform.Target, ptr %a3, i32 0, i32 3
-  %t118 = load i1, ptr %t117
-  br label %logic.from9221
-logic.from9221:
-  br i1 %t118, label %logic.rhs9222, label %logic.end9223
-logic.rhs9222:
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  store { ptr, i64, i64 } %t119, ptr %a120
-  store { ptr, i64, i64 } { ptr @.str.6352, i64 1, i64 0 }, ptr %a122
-  %t123 = call i32 @finch_str_starts(ptr %a120, ptr %a122)
-  %t124 = icmp ne i32 %t123, 0
-  br label %logic.rend9224
-logic.rend9224:
-  br label %logic.end9223
-logic.end9223:
-  %t125 = phi i1 [ false, %logic.from9221 ], [ %t124, %logic.rend9224 ]
-  br i1 %t125, label %then9225, label %endif9227
-then9225:
-  %t126 = load { ptr, i64, i64 }, ptr %a116
-  store { ptr, i64, i64 } %t126, ptr %a127
-  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %a116, i32 0, i32 1
-  %t130 = load i64, ptr %t129
-  call void @finch_str_sub(ptr %a128, ptr %a127, i64 1, i64 %t130, ptr @.str.6353, i64 127)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  store { ptr, i64, i64 } %t131, ptr %a116
-  br label %endif9227
-endif9227:
-  %t132 = load { ptr, i64, i64 }, ptr %a116
-  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t132)
-  br label %endif9220
-endif9220:
-  br label %endif9213
-endif9213:
-  br label %endif9206
-endif9206:
-  br label %endif9203
-endif9203:
-  br label %endif9200
-endif9200:
-  br label %endif9197
-endif9197:
-  br label %endif9194
-endif9194:
-  br label %endif9191
-endif9191:
-  br label %each.step9187
-each.step9187:
-  %t133 = load i64, ptr %a13
-  %t134 = add i64 %t133, 1
-  store i64 %t134, ptr %a13
-  br label %each.cond9185
-each.end9188:
-  %t135 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
-  %t137 = load i64, ptr %t136
-  %t138 = icmp eq i64 %t137, 0
-  br label %logic.from9228
-logic.from9228:
-  br i1 %t138, label %logic.rhs9229, label %logic.end9230
-logic.rhs9229:
-  %t139 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t139, i32 0, i32 1
-  %t141 = load i64, ptr %t140
-  %t142 = icmp eq i64 %t141, 0
-  br label %logic.rend9231
-logic.rend9231:
-  br label %logic.end9230
-logic.end9230:
-  %t143 = phi i1 [ false, %logic.from9228 ], [ %t142, %logic.rend9231 ]
-  br i1 %t143, label %then9232, label %endif9234
-then9232:
-  %t144 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t144, ptr %a146
-  store { ptr, i64, i64 } { ptr @.str.6354, i64 21, i64 0 }, ptr %a147
-  call void @finch_str_concat(ptr %a145, ptr %a146, ptr %a147)
-  %t148 = load { ptr, i64, i64 }, ptr %a145
-  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
-  %t150 = trunc i64 %t149 to i32
-  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
-  %t152 = icmp eq ptr %t151, null
-  %t153 = select i1 %t152, ptr @.str.6355, ptr %t151
-  %t154 = call i32 (ptr, ...) @printf(ptr @.str.6356, i32 %t150, ptr %t153)
-  %t155 = call i32 (ptr, ...) @printf(ptr @.str.6357)
+  %t118 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t118, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.6587, i64 19, i64 0 }, ptr %a121
+  %t122 = call i64 @finch_str_find(ptr %a119, ptr %a121)
+  call void @finch_str_sub(ptr %a117, ptr %a116, i64 1, i64 %t122, ptr @.str.6585, i64 111)
+  %t123 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t123, ptr %a124
+  %t125 = getelementptr inbounds %S.platform.Target, ptr %a3, i32 0, i32 3
+  %t126 = load i1, ptr %t125
+  br label %logic.from9729
+logic.from9729:
+  br i1 %t126, label %logic.rhs9730, label %logic.end9731
+logic.rhs9730:
+  %t127 = load { ptr, i64, i64 }, ptr %a124
+  store { ptr, i64, i64 } %t127, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.6589, i64 1, i64 0 }, ptr %a130
+  %t131 = call i32 @finch_str_starts(ptr %a128, ptr %a130)
+  %t132 = icmp ne i32 %t131, 0
+  br label %logic.rend9732
+logic.rend9732:
+  br label %logic.end9731
+logic.end9731:
+  %t133 = phi i1 [ false, %logic.from9729 ], [ %t132, %logic.rend9732 ]
+  br i1 %t133, label %then9733, label %endif9735
+then9733:
+  %t134 = load { ptr, i64, i64 }, ptr %a124
+  store { ptr, i64, i64 } %t134, ptr %a135
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %a124, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  call void @finch_str_sub(ptr %a136, ptr %a135, i64 1, i64 %t138, ptr @.str.6590, i64 113)
+  %t139 = load { ptr, i64, i64 }, ptr %a136
+  %t140 = load { ptr, i64, i64 }, ptr %a124
+  store { ptr, i64, i64 } %t139, ptr %a124
+  store { ptr, i64, i64 } %t140, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  br label %endif9735
+endif9735:
+  %t142 = load { ptr, i64, i64 }, ptr %a124
+  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t142)
+  call void @finch_str_drop(ptr %a124)
+  br label %endif9728
+endif9728:
+  br label %endif9721
+endif9721:
+  br label %endif9714
+endif9714:
+  br label %endif9711
+endif9711:
+  br label %endif9708
+endif9708:
+  br label %endif9705
+endif9705:
+  br label %endif9702
+endif9702:
+  br label %endif9699
+endif9699:
+  call void @finch_str_drop(ptr %a26)
+  br label %each.step9695
+each.step9695:
+  %t143 = load i64, ptr %a13
+  %t144 = add i64 %t143, 1
+  store i64 %t144, ptr %a13
+  br label %each.cond9693
+each.end9696:
+  call void @finch.drop.arr_str(ptr %a12)
+  %t145 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
+  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
+  %t147 = load i64, ptr %t146
+  %t148 = icmp eq i64 %t147, 0
+  br label %logic.from9736
+logic.from9736:
+  br i1 %t148, label %logic.rhs9737, label %logic.end9738
+logic.rhs9737:
+  %t149 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
+  %t150 = getelementptr inbounds { ptr, i64, i64 }, ptr %t149, i32 0, i32 1
+  %t151 = load i64, ptr %t150
+  %t152 = icmp eq i64 %t151, 0
+  br label %logic.rend9739
+logic.rend9739:
+  br label %logic.end9738
+logic.end9738:
+  %t153 = phi i1 [ false, %logic.from9736 ], [ %t152, %logic.rend9739 ]
+  br i1 %t153, label %then9740, label %endif9742
+then9740:
+  %t154 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t154, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.6591, i64 21, i64 0 }, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
+  %t160 = trunc i64 %t159 to i32
+  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
+  %t162 = icmp eq ptr %t161, null
+  %t163 = select i1 %t162, ptr @.str.6592, ptr %t161
+  %t164 = call i32 (ptr, ...) @printf(ptr @.str.6593, i32 %t160, ptr %t163)
+  store { ptr, i64, i64 } %t158, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = call i32 (ptr, ...) @printf(ptr @.str.6594)
+  call void @finch.drop.S_linker_Names(ptr %a5)
+  call void @finch.drop.S_linker_Names(ptr %a4)
   ret i64 1
-endif9234:
-  %t156 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
-  store i64 0, ptr %a157
-  br label %each.cond9235
-each.cond9235:
-  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i32 0, i32 1
-  %t159 = load i64, ptr %t158
-  %t160 = load i64, ptr %a157
-  %t161 = icmp slt i64 %t160, %t159
-  br i1 %t161, label %each.body9236, label %each.end9238
-each.body9236:
-  %t162 = load ptr, ptr %t156
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i64 %t160
-  %t164 = load { ptr, i64, i64 }, ptr %t163
-  store { ptr, i64, i64 } %t164, ptr %a165
-  %t166 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } { ptr @.str.6358, i64 20, i64 0 }, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.6359, i64 62, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
-  %t176 = trunc i64 %t175 to i32
-  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
-  %t178 = icmp eq ptr %t177, null
-  %t179 = select i1 %t178, ptr @.str.6360, ptr %t177
-  %t180 = call i32 (ptr, ...) @printf(ptr @.str.6361, i32 %t176, ptr %t179)
-  %t181 = call i32 (ptr, ...) @printf(ptr @.str.6362)
-  br label %each.step9237
-each.step9237:
-  %t182 = load i64, ptr %a157
-  %t183 = add i64 %t182, 1
-  store i64 %t183, ptr %a157
-  br label %each.cond9235
-each.end9238:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a184
-  store { ptr, i64, i64 } zeroinitializer, ptr %a185
-  %t186 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
-  store i64 0, ptr %a187
-  br label %each.cond9239
-each.cond9239:
-  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t186, i32 0, i32 1
-  %t189 = load i64, ptr %t188
-  %t190 = load i64, ptr %a187
-  %t191 = icmp slt i64 %t190, %t189
-  br i1 %t191, label %each.body9240, label %each.end9242
-each.body9240:
-  %t192 = load ptr, ptr %t186
-  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t192, i64 %t190
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  store { ptr, i64, i64 } %t194, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.6363, i64 0, i64 0 }, ptr %a196
-  %t197 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t198, ptr %a199
-  %t200 = call i64 @finch_map_find(ptr %t197, ptr %a199, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t201 = icmp sge i64 %t200, 0
-  br i1 %t201, label %then9243, label %endif9245
-then9243:
-  %t202 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
-  %t203 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t203, ptr %a204
-  %t205 = call i64 @finch_map_find(ptr %t202, ptr %a204, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t206 = icmp slt i64 %t205, 0
-  br i1 %t206, label %map.missing9246, label %map.found9247
-map.missing9246:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a207
-  store { ptr, i64, i64 } %t203, ptr %a208
-  call void @finch_buf_str(ptr %a207, ptr %a208, i32 1)
-  call void @finch_map_missing(ptr @.str.6364, i64 145, ptr %a207)
+endif9742:
+  %t167 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
+  store i64 0, ptr %a168
+  br label %each.cond9743
+each.cond9743:
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
+  %t170 = load i64, ptr %t169
+  %t171 = load i64, ptr %a168
+  %t172 = icmp slt i64 %t171, %t170
+  br i1 %t172, label %each.body9744, label %each.end9746
+each.body9744:
+  %t173 = load ptr, ptr %t167
+  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i64 %t171
+  %t175 = load { ptr, i64, i64 }, ptr %t174
+  store { ptr, i64, i64 } %t175, ptr %a176
+  %t177 = load { ptr, i64, i64 }, ptr %a176
+  store { ptr, i64, i64 } { ptr @.str.6595, i64 20, i64 0 }, ptr %a179
+  store { ptr, i64, i64 } %t177, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t181, ptr %a183
+  store { ptr, i64, i64 } { ptr @.str.6596, i64 62, i64 0 }, ptr %a184
+  call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
+  store { ptr, i64, i64 } %t181, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a182
+  %t187 = extractvalue { ptr, i64, i64 } %t186, 1
+  %t188 = trunc i64 %t187 to i32
+  %t189 = extractvalue { ptr, i64, i64 } %t186, 0
+  %t190 = icmp eq ptr %t189, null
+  %t191 = select i1 %t190, ptr @.str.6597, ptr %t189
+  %t192 = call i32 (ptr, ...) @printf(ptr @.str.6598, i32 %t188, ptr %t191)
+  store { ptr, i64, i64 } %t186, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = call i32 (ptr, ...) @printf(ptr @.str.6599)
+  br label %each.step9745
+each.step9745:
+  %t195 = load i64, ptr %a168
+  %t196 = add i64 %t195, 1
+  store i64 %t196, ptr %a168
+  br label %each.cond9743
+each.end9746:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a197
+  store { ptr, i64, i64 } zeroinitializer, ptr %a198
+  %t199 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
+  store i64 0, ptr %a200
+  br label %each.cond9747
+each.cond9747:
+  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i32 0, i32 1
+  %t202 = load i64, ptr %t201
+  %t203 = load i64, ptr %a200
+  %t204 = icmp slt i64 %t203, %t202
+  br i1 %t204, label %each.body9748, label %each.end9750
+each.body9748:
+  %t205 = load ptr, ptr %t199
+  %t206 = getelementptr inbounds { ptr, i64, i64 }, ptr %t205, i64 %t203
+  %t207 = load { ptr, i64, i64 }, ptr %t206
+  store { ptr, i64, i64 } %t207, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.6600, i64 0, i64 0 }, ptr %a209
+  %t210 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
+  %t211 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t211, ptr %a212
+  %t213 = call i64 @finch_map_find(ptr %t210, ptr %a212, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t214 = icmp sge i64 %t213, 0
+  br i1 %t214, label %then9751, label %endif9753
+then9751:
+  %t215 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
+  %t216 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t216, ptr %a217
+  %t218 = call i64 @finch_map_find(ptr %t215, ptr %a217, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t219 = icmp slt i64 %t218, 0
+  br i1 %t219, label %map.missing9754, label %map.found9755
+map.missing9754:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a220
+  store { ptr, i64, i64 } %t216, ptr %a221
+  call void @finch_buf_str(ptr %a220, ptr %a221, i32 1)
+  call void @finch_map_missing(ptr @.str.6601, i64 131, ptr %a220)
   unreachable
-map.found9247:
-  %t209 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t202, i32 0, i32 0
-  %t210 = load ptr, ptr %t209
-  %t211 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t210, i64 %t205
-  %t212 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t211, i32 0, i32 2
-  %t213 = getelementptr inbounds %S.cimport.CFunc, ptr %t212, i32 0, i32 1
-  %t214 = load { ptr, i64, i64 }, ptr %t213
-  store { ptr, i64, i64 } %t214, ptr %a215
-  call void @finch_str_copy(ptr %a216, ptr %a215)
-  %t217 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t217, ptr %a196
-  br label %endif9245
-endif9245:
-  %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t219 = load { ptr, i64, i64 }, ptr %a196
-  store i64 -1, ptr %a220
-  %t221 = load i64, ptr %t218
-  %t222 = load ptr, ptr %a184
-  store i64 0, ptr %a223
-  br label %find.cond9248
-find.cond9248:
-  %t224 = load i64, ptr %a223
-  %t225 = icmp slt i64 %t224, %t221
-  br i1 %t225, label %find.body9249, label %find.end9252
-find.body9249:
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i64 %t224
+map.found9755:
+  %t222 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t215, i32 0, i32 0
+  %t223 = load ptr, ptr %t222
+  %t224 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t223, i64 %t218
+  %t225 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t224, i32 0, i32 2
+  %t226 = getelementptr inbounds %S.cimport.CFunc, ptr %t225, i32 0, i32 1
   %t227 = load { ptr, i64, i64 }, ptr %t226
   store { ptr, i64, i64 } %t227, ptr %a228
-  store { ptr, i64, i64 } %t219, ptr %a229
-  %t230 = call i32 @finch_str_eq(ptr %a228, ptr %a229)
-  %t231 = icmp ne i32 %t230, 0
-  br i1 %t231, label %find.hit9250, label %find.next9251
-find.hit9250:
-  store i64 %t224, ptr %a220
-  br label %find.end9252
-find.next9251:
-  %t232 = add i64 %t224, 1
-  store i64 %t232, ptr %a223
-  br label %find.cond9248
-find.end9252:
-  %t233 = load i64, ptr %a220
-  store i64 %t233, ptr %a234
-  %t235 = load i64, ptr %a234
-  %t236 = icmp slt i64 %t235, 0
-  br i1 %t236, label %then9253, label %endif9255
-then9253:
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t238, ptr %a239
-  call void @finch_str_copy(ptr %a240, ptr %a239)
-  %t241 = load { ptr, i64, i64 }, ptr %a240
-  %t242 = load i64, ptr %t237
-  %t243 = add i64 %t242, 1
-  call void @finch_arr_reserve(ptr %a184, i64 %t243, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t244 = load ptr, ptr %a184
-  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %t244, i64 %t242
-  store { ptr, i64, i64 } %t241, ptr %t245
-  store i64 %t243, ptr %t237
-  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %a185, i32 0, i32 1
-  %t247 = load i64, ptr %t246
-  %t248 = add i64 %t247, 1
-  call void @finch_arr_reserve(ptr %a185, i64 %t248, i64 ptrtoint (ptr getelementptr (%S.linker.Names, ptr null, i32 1) to i64))
-  %t249 = load ptr, ptr %a185
-  %t250 = getelementptr inbounds %S.linker.Names, ptr %t249, i64 %t247
-  store %S.linker.Names zeroinitializer, ptr %t250
-  store i64 %t248, ptr %t246
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  %t253 = sub i64 %t252, 1
-  store i64 %t253, ptr %a234
-  br label %endif9255
-endif9255:
-  %t254 = load i64, ptr %a234
-  %t255 = load { ptr, i64, i64 }, ptr %a185
-  %t256 = extractvalue { ptr, i64, i64 } %t255, 1
-  %t257 = icmp uge i64 %t254, %t256
-  br i1 %t257, label %range9256, label %inrange9257
-range9256:
-  call void @finch_panic_index(ptr @.str.6365, i64 153, i64 %t254, i64 %t256)
+  call void @finch_str_copy(ptr %a229, ptr %a228)
+  %t230 = load { ptr, i64, i64 }, ptr %a229
+  %t231 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t230, ptr %a209
+  store { ptr, i64, i64 } %t231, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  br label %endif9753
+endif9753:
+  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t234 = load { ptr, i64, i64 }, ptr %a209
+  store i64 -1, ptr %a235
+  %t236 = load i64, ptr %t233
+  %t237 = load ptr, ptr %a197
+  store i64 0, ptr %a238
+  br label %find.cond9756
+find.cond9756:
+  %t239 = load i64, ptr %a238
+  %t240 = icmp slt i64 %t239, %t236
+  br i1 %t240, label %find.body9757, label %find.end9760
+find.body9757:
+  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 %t239
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a243
+  store { ptr, i64, i64 } %t234, ptr %a244
+  %t245 = call i32 @finch_str_eq(ptr %a243, ptr %a244)
+  %t246 = icmp ne i32 %t245, 0
+  br i1 %t246, label %find.hit9758, label %find.next9759
+find.hit9758:
+  store i64 %t239, ptr %a235
+  br label %find.end9760
+find.next9759:
+  %t247 = add i64 %t239, 1
+  store i64 %t247, ptr %a238
+  br label %find.cond9756
+find.end9760:
+  %t248 = load i64, ptr %a235
+  store i64 %t248, ptr %a249
+  %t250 = load i64, ptr %a249
+  %t251 = icmp slt i64 %t250, 0
+  br i1 %t251, label %then9761, label %endif9763
+then9761:
+  %t252 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t253 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_copy(ptr %a255, ptr %a254)
+  %t256 = load { ptr, i64, i64 }, ptr %a255
+  %t257 = load i64, ptr %t252
+  %t258 = add i64 %t257, 1
+  call void @finch_arr_reserve(ptr %a197, i64 %t258, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t259 = load ptr, ptr %a197
+  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i64 %t257
+  store { ptr, i64, i64 } %t256, ptr %t260
+  store i64 %t258, ptr %t252
+  %t261 = getelementptr inbounds { ptr, i64, i64 }, ptr %a198, i32 0, i32 1
+  %t262 = load i64, ptr %t261
+  %t263 = add i64 %t262, 1
+  call void @finch_arr_reserve(ptr %a198, i64 %t263, i64 ptrtoint (ptr getelementptr (%S.linker.Names, ptr null, i32 1) to i64))
+  %t264 = load ptr, ptr %a198
+  %t265 = getelementptr inbounds %S.linker.Names, ptr %t264, i64 %t262
+  store %S.linker.Names zeroinitializer, ptr %t265
+  store i64 %t263, ptr %t261
+  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t267 = load i64, ptr %t266
+  %t268 = sub i64 %t267, 1
+  store i64 %t268, ptr %a249
+  br label %endif9763
+endif9763:
+  %t269 = load i64, ptr %a249
+  %t270 = load { ptr, i64, i64 }, ptr %a198
+  %t271 = extractvalue { ptr, i64, i64 } %t270, 1
+  %t272 = icmp uge i64 %t269, %t271
+  br i1 %t272, label %range9764, label %inrange9765
+range9764:
+  call void @finch_panic_index(ptr @.str.6602, i64 139, i64 %t269, i64 %t271)
   unreachable
-inrange9257:
-  %t258 = extractvalue { ptr, i64, i64 } %t255, 0
-  %t259 = getelementptr inbounds %S.linker.Names, ptr %t258, i64 %t254
-  %t260 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.linker.Names.add(ptr %t259, { ptr, i64, i64 } %t260)
-  br label %each.step9241
-each.step9241:
-  %t261 = load i64, ptr %a187
-  %t262 = add i64 %t261, 1
-  store i64 %t262, ptr %a187
-  br label %each.cond9239
-each.end9242:
-  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t264 = load i64, ptr %t263
-  store i64 0, ptr %a265
-  br label %for.cond9258
-for.cond9258:
-  %t266 = load i64, ptr %a265
-  %t267 = icmp slt i64 %t266, %t264
-  br i1 %t267, label %for.body9259, label %for.end9261
-for.body9259:
-  %t268 = load i64, ptr %a265
-  %t269 = load { ptr, i64, i64 }, ptr %a185
-  %t270 = extractvalue { ptr, i64, i64 } %t269, 1
-  %t271 = icmp uge i64 %t268, %t270
-  br i1 %t271, label %range9262, label %inrange9263
-range9262:
-  call void @finch_panic_index(ptr @.str.6366, i64 156, i64 %t268, i64 %t270)
+inrange9765:
+  %t273 = extractvalue { ptr, i64, i64 } %t270, 0
+  %t274 = getelementptr inbounds %S.linker.Names, ptr %t273, i64 %t269
+  %t275 = load { ptr, i64, i64 }, ptr %a208
+  call void @finch.linker.Names.add(ptr %t274, { ptr, i64, i64 } %t275)
+  call void @finch_str_drop(ptr %a209)
+  br label %each.step9749
+each.step9749:
+  %t276 = load i64, ptr %a200
+  %t277 = add i64 %t276, 1
+  store i64 %t277, ptr %a200
+  br label %each.cond9747
+each.end9750:
+  %t278 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t279 = load i64, ptr %t278
+  store i64 0, ptr %a280
+  br label %for.cond9766
+for.cond9766:
+  %t281 = load i64, ptr %a280
+  %t282 = icmp slt i64 %t281, %t279
+  br i1 %t282, label %for.body9767, label %for.end9769
+for.body9767:
+  %t283 = load i64, ptr %a280
+  %t284 = load { ptr, i64, i64 }, ptr %a198
+  %t285 = extractvalue { ptr, i64, i64 } %t284, 1
+  %t286 = icmp uge i64 %t283, %t285
+  br i1 %t286, label %range9770, label %inrange9771
+range9770:
+  call void @finch_panic_index(ptr @.str.6603, i64 142, i64 %t283, i64 %t285)
   unreachable
-inrange9263:
-  %t272 = extractvalue { ptr, i64, i64 } %t269, 0
-  %t273 = getelementptr inbounds %S.linker.Names, ptr %t272, i64 %t268
-  %t274 = getelementptr inbounds %S.linker.Names, ptr %t273, i32 0, i32 0
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  store { ptr, i64, i64 } %t275, ptr %a276
-  call void @finch.copy.arr_str(ptr %a277, ptr %a276)
-  %t278 = load { ptr, i64, i64 }, ptr %a277
-  store { ptr, i64, i64 } %t278, ptr %a279
-  store { ptr, i64, i64 } zeroinitializer, ptr %a280
-  %t281 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t282 = load i64, ptr %t281
-  store i64 0, ptr %a283
-  br label %for.cond9264
-for.cond9264:
-  %t284 = load i64, ptr %a283
-  %t285 = icmp slt i64 %t284, %t282
-  br i1 %t285, label %for.body9265, label %for.end9267
-for.body9265:
-  %t286 = load i64, ptr %a283
-  %t287 = icmp slt i64 %t286, 3
-  br i1 %t287, label %then9268, label %endif9270
-then9268:
-  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %a280, i32 0, i32 1
-  %t289 = load i64, ptr %a283
-  %t290 = load { ptr, i64, i64 }, ptr %a279
-  %t291 = extractvalue { ptr, i64, i64 } %t290, 1
-  %t292 = icmp uge i64 %t289, %t291
-  br i1 %t292, label %range9271, label %inrange9272
-range9271:
-  call void @finch_panic_index(ptr @.str.6367, i64 160, i64 %t289, i64 %t291)
+inrange9771:
+  %t287 = extractvalue { ptr, i64, i64 } %t284, 0
+  %t288 = getelementptr inbounds %S.linker.Names, ptr %t287, i64 %t283
+  %t289 = getelementptr inbounds %S.linker.Names, ptr %t288, i32 0, i32 0
+  %t290 = load { ptr, i64, i64 }, ptr %t289
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch.copy.arr_str(ptr %a292, ptr %a291)
+  %t293 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t293, ptr %a294
+  store { ptr, i64, i64 } zeroinitializer, ptr %a295
+  %t296 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t297 = load i64, ptr %t296
+  store i64 0, ptr %a298
+  br label %for.cond9772
+for.cond9772:
+  %t299 = load i64, ptr %a298
+  %t300 = icmp slt i64 %t299, %t297
+  br i1 %t300, label %for.body9773, label %for.end9775
+for.body9773:
+  %t301 = load i64, ptr %a298
+  %t302 = icmp slt i64 %t301, 3
+  br i1 %t302, label %then9776, label %endif9778
+then9776:
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %a295, i32 0, i32 1
+  %t304 = load i64, ptr %a298
+  %t305 = load { ptr, i64, i64 }, ptr %a294
+  %t306 = extractvalue { ptr, i64, i64 } %t305, 1
+  %t307 = icmp uge i64 %t304, %t306
+  br i1 %t307, label %range9779, label %inrange9780
+range9779:
+  call void @finch_panic_index(ptr @.str.6604, i64 146, i64 %t304, i64 %t306)
   unreachable
-inrange9272:
-  %t293 = extractvalue { ptr, i64, i64 } %t290, 0
-  %t294 = getelementptr inbounds { ptr, i64, i64 }, ptr %t293, i64 %t289
-  %t295 = load { ptr, i64, i64 }, ptr %t294
-  store { ptr, i64, i64 } %t295, ptr %a296
-  call void @finch_str_copy(ptr %a297, ptr %a296)
-  %t298 = load { ptr, i64, i64 }, ptr %a297
-  %t299 = load i64, ptr %t288
-  %t300 = add i64 %t299, 1
-  call void @finch_arr_reserve(ptr %a280, i64 %t300, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t301 = load ptr, ptr %a280
-  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 %t299
-  store { ptr, i64, i64 } %t298, ptr %t302
-  store i64 %t300, ptr %t288
-  br label %endif9270
-endif9270:
-  br label %for.step9266
-for.step9266:
-  %t303 = load i64, ptr %a283
-  %t304 = add i64 %t303, 1
-  store i64 %t304, ptr %a283
-  br label %for.cond9264
-for.end9267:
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %a280, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6368, i64 2, i64 0 }, ptr %a306
-  call void @finch_str_join(ptr %a307, ptr %a280, ptr %a306)
-  %t308 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t308, ptr %a309
-  %t310 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t311 = load i64, ptr %t310
-  %t312 = icmp sgt i64 %t311, 3
-  br i1 %t312, label %then9273, label %endif9275
-then9273:
-  %t313 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } %t313, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.6369, i64 5, i64 0 }, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t319 = load i64, ptr %t318
-  %t320 = sub i64 %t319, 3
-  call void @finch_str_from_int(ptr %a321, i64 %t320)
-  %t322 = load { ptr, i64, i64 }, ptr %a321
-  store { ptr, i64, i64 } %t317, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.6370, i64 5, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  store { ptr, i64, i64 } %t330, ptr %a309
-  br label %endif9275
-endif9275:
-  %t331 = load i64, ptr %a265
-  %t332 = load { ptr, i64, i64 }, ptr %a184
-  %t333 = extractvalue { ptr, i64, i64 } %t332, 1
-  %t334 = icmp uge i64 %t331, %t333
-  br i1 %t334, label %range9276, label %inrange9277
-range9276:
-  call void @finch_panic_index(ptr @.str.6371, i64 167, i64 %t331, i64 %t333)
+inrange9780:
+  %t308 = extractvalue { ptr, i64, i64 } %t305, 0
+  %t309 = getelementptr inbounds { ptr, i64, i64 }, ptr %t308, i64 %t304
+  %t310 = load { ptr, i64, i64 }, ptr %t309
+  store { ptr, i64, i64 } %t310, ptr %a311
+  call void @finch_str_copy(ptr %a312, ptr %a311)
+  %t313 = load { ptr, i64, i64 }, ptr %a312
+  %t314 = load i64, ptr %t303
+  %t315 = add i64 %t314, 1
+  call void @finch_arr_reserve(ptr %a295, i64 %t315, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t316 = load ptr, ptr %a295
+  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t316, i64 %t314
+  store { ptr, i64, i64 } %t313, ptr %t317
+  store i64 %t315, ptr %t303
+  br label %endif9778
+endif9778:
+  br label %for.step9774
+for.step9774:
+  %t318 = load i64, ptr %a298
+  %t319 = add i64 %t318, 1
+  store i64 %t319, ptr %a298
+  br label %for.cond9772
+for.end9775:
+  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %a295, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.6605, i64 2, i64 0 }, ptr %a321
+  call void @finch_str_join(ptr %a322, ptr %a295, ptr %a321)
+  %t323 = load { ptr, i64, i64 }, ptr %a322
+  store { ptr, i64, i64 } %t323, ptr %a324
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t326 = load i64, ptr %t325
+  %t327 = icmp sgt i64 %t326, 3
+  br i1 %t327, label %then9781, label %endif9783
+then9781:
+  %t328 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t328, ptr %a330
+  store { ptr, i64, i64 } { ptr @.str.6606, i64 5, i64 0 }, ptr %a331
+  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
+  %t332 = load { ptr, i64, i64 }, ptr %a329
+  %t333 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t334 = load i64, ptr %t333
+  %t335 = sub i64 %t334, 3
+  call void @finch_str_from_int(ptr %a336, i64 %t335)
+  %t337 = load { ptr, i64, i64 }, ptr %a336
+  store { ptr, i64, i64 } %t332, ptr %a339
+  store { ptr, i64, i64 } %t337, ptr %a340
+  call void @finch_str_concat(ptr %a338, ptr %a339, ptr %a340)
+  store { ptr, i64, i64 } %t332, ptr %a341
+  call void @finch_str_drop(ptr %a341)
+  store { ptr, i64, i64 } %t337, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load { ptr, i64, i64 }, ptr %a338
+  store { ptr, i64, i64 } %t343, ptr %a345
+  store { ptr, i64, i64 } { ptr @.str.6607, i64 5, i64 0 }, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t343, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a344
+  %t349 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t348, ptr %a324
+  store { ptr, i64, i64 } %t349, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  br label %endif9783
+endif9783:
+  %t351 = load i64, ptr %a280
+  %t352 = load { ptr, i64, i64 }, ptr %a197
+  %t353 = extractvalue { ptr, i64, i64 } %t352, 1
+  %t354 = icmp uge i64 %t351, %t353
+  br i1 %t354, label %range9784, label %inrange9785
+range9784:
+  call void @finch_panic_index(ptr @.str.6608, i64 153, i64 %t351, i64 %t353)
   unreachable
-inrange9277:
-  %t335 = extractvalue { ptr, i64, i64 } %t332, 0
-  %t336 = getelementptr inbounds { ptr, i64, i64 }, ptr %t335, i64 %t331
-  %t337 = getelementptr inbounds { ptr, i64, i64 }, ptr %t336, i32 0, i32 1
-  %t338 = load i64, ptr %t337
-  %t339 = icmp eq i64 %t338, 0
-  br i1 %t339, label %then9278, label %endif9280
-then9278:
-  %t340 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.6372, i64 25, i64 0 }, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  %t345 = extractvalue { ptr, i64, i64 } %t344, 1
-  %t346 = trunc i64 %t345 to i32
-  %t347 = extractvalue { ptr, i64, i64 } %t344, 0
-  %t348 = icmp eq ptr %t347, null
-  %t349 = select i1 %t348, ptr @.str.6373, ptr %t347
-  %t350 = call i32 (ptr, ...) @printf(ptr @.str.6374, i32 %t346, ptr %t349)
-  %t351 = call i32 (ptr, ...) @printf(ptr @.str.6375)
-  br label %for.step9260
-endif9280:
-  store { ptr, i64, i64 } { ptr @.str.6376, i64 4, i64 0 }, ptr %a352
-  %t353 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t354 = load i64, ptr %t353
-  %t355 = icmp eq i64 %t354, 1
-  br i1 %t355, label %then9281, label %endif9283
-then9281:
-  store { ptr, i64, i64 } { ptr @.str.6377, i64 5, i64 0 }, ptr %a352
-  br label %endif9283
-endif9283:
-  %t356 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.6378, i64 7, i64 0 }, ptr %a358
-  store { ptr, i64, i64 } %t356, ptr %a359
-  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
-  %t360 = load { ptr, i64, i64 }, ptr %a357
-  store { ptr, i64, i64 } %t360, ptr %a362
-  store { ptr, i64, i64 } { ptr @.str.6379, i64 1, i64 0 }, ptr %a363
+inrange9785:
+  %t355 = extractvalue { ptr, i64, i64 } %t352, 0
+  %t356 = getelementptr inbounds { ptr, i64, i64 }, ptr %t355, i64 %t351
+  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
+  %t358 = load i64, ptr %t357
+  %t359 = icmp eq i64 %t358, 0
+  br i1 %t359, label %then9786, label %endif9788
+then9786:
+  %t360 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } { ptr @.str.6609, i64 25, i64 0 }, ptr %a362
+  store { ptr, i64, i64 } %t360, ptr %a363
   call void @finch_str_concat(ptr %a361, ptr %a362, ptr %a363)
   %t364 = load { ptr, i64, i64 }, ptr %a361
-  %t365 = load { ptr, i64, i64 }, ptr %a352
-  store { ptr, i64, i64 } %t364, ptr %a367
-  store { ptr, i64, i64 } %t365, ptr %a368
-  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
-  %t369 = load { ptr, i64, i64 }, ptr %a366
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.6380, i64 7, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = load i64, ptr %a265
-  %t375 = load { ptr, i64, i64 }, ptr %a184
-  %t376 = extractvalue { ptr, i64, i64 } %t375, 1
-  %t377 = icmp uge i64 %t374, %t376
-  br i1 %t377, label %range9284, label %inrange9285
-range9284:
-  call void @finch_panic_index(ptr @.str.6381, i64 175, i64 %t374, i64 %t376)
+  %t365 = extractvalue { ptr, i64, i64 } %t364, 1
+  %t366 = trunc i64 %t365 to i32
+  %t367 = extractvalue { ptr, i64, i64 } %t364, 0
+  %t368 = icmp eq ptr %t367, null
+  %t369 = select i1 %t368, ptr @.str.6610, ptr %t367
+  %t370 = call i32 (ptr, ...) @printf(ptr @.str.6611, i32 %t366, ptr %t369)
+  store { ptr, i64, i64 } %t364, ptr %a371
+  call void @finch_str_drop(ptr %a371)
+  %t372 = call i32 (ptr, ...) @printf(ptr @.str.6612)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch.drop.arr_str(ptr %a295)
+  call void @finch.drop.arr_str(ptr %a294)
+  br label %for.step9768
+endif9788:
+  store { ptr, i64, i64 } { ptr @.str.6613, i64 4, i64 0 }, ptr %a373
+  %t374 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t375 = load i64, ptr %t374
+  %t376 = icmp eq i64 %t375, 1
+  br i1 %t376, label %then9789, label %endif9791
+then9789:
+  %t377 = load { ptr, i64, i64 }, ptr %a373
+  store { ptr, i64, i64 } { ptr @.str.6614, i64 5, i64 0 }, ptr %a373
+  store { ptr, i64, i64 } %t377, ptr %a378
+  call void @finch_str_drop(ptr %a378)
+  br label %endif9791
+endif9791:
+  %t379 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } { ptr @.str.6615, i64 7, i64 0 }, ptr %a381
+  store { ptr, i64, i64 } %t379, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  %t383 = load { ptr, i64, i64 }, ptr %a380
+  store { ptr, i64, i64 } %t383, ptr %a385
+  store { ptr, i64, i64 } { ptr @.str.6616, i64 1, i64 0 }, ptr %a386
+  call void @finch_str_concat(ptr %a384, ptr %a385, ptr %a386)
+  store { ptr, i64, i64 } %t383, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a384
+  %t389 = load { ptr, i64, i64 }, ptr %a373
+  store { ptr, i64, i64 } %t388, ptr %a391
+  store { ptr, i64, i64 } %t389, ptr %a392
+  call void @finch_str_concat(ptr %a390, ptr %a391, ptr %a392)
+  store { ptr, i64, i64 } %t388, ptr %a393
+  call void @finch_str_drop(ptr %a393)
+  %t394 = load { ptr, i64, i64 }, ptr %a390
+  store { ptr, i64, i64 } %t394, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.6617, i64 7, i64 0 }, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t394, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  %t400 = load i64, ptr %a280
+  %t401 = load { ptr, i64, i64 }, ptr %a197
+  %t402 = extractvalue { ptr, i64, i64 } %t401, 1
+  %t403 = icmp uge i64 %t400, %t402
+  br i1 %t403, label %range9792, label %inrange9793
+range9792:
+  call void @finch_panic_index(ptr @.str.6618, i64 161, i64 %t400, i64 %t402)
   unreachable
-inrange9285:
-  %t378 = extractvalue { ptr, i64, i64 } %t375, 0
-  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i64 %t374
-  %t380 = load { ptr, i64, i64 }, ptr %t379
-  store { ptr, i64, i64 } %t373, ptr %a382
-  store { ptr, i64, i64 } %t380, ptr %a383
-  call void @finch_str_concat(ptr %a381, ptr %a382, ptr %a383)
-  %t384 = load { ptr, i64, i64 }, ptr %a381
-  store { ptr, i64, i64 } %t384, ptr %a386
-  store { ptr, i64, i64 } { ptr @.str.6382, i64 31, i64 0 }, ptr %a387
-  call void @finch_str_concat(ptr %a385, ptr %a386, ptr %a387)
-  %t388 = load { ptr, i64, i64 }, ptr %a385
-  %t389 = extractvalue { ptr, i64, i64 } %t388, 1
-  %t390 = trunc i64 %t389 to i32
-  %t391 = extractvalue { ptr, i64, i64 } %t388, 0
-  %t392 = icmp eq ptr %t391, null
-  %t393 = select i1 %t392, ptr @.str.6383, ptr %t391
-  %t394 = call i32 (ptr, ...) @printf(ptr @.str.6384, i32 %t390, ptr %t393)
-  %t395 = call i32 (ptr, ...) @printf(ptr @.str.6385)
-  %t396 = extractvalue { ptr, i64, i64 } { ptr @.str.6386, i64 74, i64 0 }, 1
-  %t397 = trunc i64 %t396 to i32
-  %t398 = extractvalue { ptr, i64, i64 } { ptr @.str.6386, i64 74, i64 0 }, 0
-  %t399 = icmp eq ptr %t398, null
-  %t400 = select i1 %t399, ptr @.str.6387, ptr %t398
-  %t401 = call i32 (ptr, ...) @printf(ptr @.str.6388, i32 %t397, ptr %t400)
-  %t402 = call i32 (ptr, ...) @printf(ptr @.str.6389)
-  %t403 = extractvalue { ptr, i64, i64 } { ptr @.str.6390, i64 66, i64 0 }, 1
-  %t404 = trunc i64 %t403 to i32
-  %t405 = extractvalue { ptr, i64, i64 } { ptr @.str.6390, i64 66, i64 0 }, 0
-  %t406 = icmp eq ptr %t405, null
-  %t407 = select i1 %t406, ptr @.str.6391, ptr %t405
-  %t408 = call i32 (ptr, ...) @printf(ptr @.str.6392, i32 %t404, ptr %t407)
-  %t409 = call i32 (ptr, ...) @printf(ptr @.str.6393)
-  %t410 = extractvalue { ptr, i64, i64 } { ptr @.str.6394, i64 0, i64 0 }, 1
-  %t411 = trunc i64 %t410 to i32
-  %t412 = extractvalue { ptr, i64, i64 } { ptr @.str.6394, i64 0, i64 0 }, 0
-  %t413 = icmp eq ptr %t412, null
-  %t414 = select i1 %t413, ptr @.str.6395, ptr %t412
-  %t415 = call i32 (ptr, ...) @printf(ptr @.str.6396, i32 %t411, ptr %t414)
-  %t416 = call i32 (ptr, ...) @printf(ptr @.str.6397)
-  %t417 = load i64, ptr %a265
-  %t418 = load { ptr, i64, i64 }, ptr %a184
-  %t419 = extractvalue { ptr, i64, i64 } %t418, 1
-  %t420 = icmp uge i64 %t417, %t419
-  br i1 %t420, label %range9286, label %inrange9287
-range9286:
-  call void @finch_panic_index(ptr @.str.6399, i64 179, i64 %t417, i64 %t419)
+inrange9793:
+  %t404 = extractvalue { ptr, i64, i64 } %t401, 0
+  %t405 = getelementptr inbounds { ptr, i64, i64 }, ptr %t404, i64 %t400
+  %t406 = load { ptr, i64, i64 }, ptr %t405
+  store { ptr, i64, i64 } %t399, ptr %a408
+  store { ptr, i64, i64 } %t406, ptr %a409
+  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
+  store { ptr, i64, i64 } %t399, ptr %a410
+  call void @finch_str_drop(ptr %a410)
+  %t411 = load { ptr, i64, i64 }, ptr %a407
+  store { ptr, i64, i64 } %t411, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.6619, i64 31, i64 0 }, ptr %a414
+  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
+  store { ptr, i64, i64 } %t411, ptr %a415
+  call void @finch_str_drop(ptr %a415)
+  %t416 = load { ptr, i64, i64 }, ptr %a412
+  %t417 = extractvalue { ptr, i64, i64 } %t416, 1
+  %t418 = trunc i64 %t417 to i32
+  %t419 = extractvalue { ptr, i64, i64 } %t416, 0
+  %t420 = icmp eq ptr %t419, null
+  %t421 = select i1 %t420, ptr @.str.6620, ptr %t419
+  %t422 = call i32 (ptr, ...) @printf(ptr @.str.6621, i32 %t418, ptr %t421)
+  store { ptr, i64, i64 } %t416, ptr %a423
+  call void @finch_str_drop(ptr %a423)
+  %t424 = call i32 (ptr, ...) @printf(ptr @.str.6622)
+  %t425 = extractvalue { ptr, i64, i64 } { ptr @.str.6623, i64 74, i64 0 }, 1
+  %t426 = trunc i64 %t425 to i32
+  %t427 = extractvalue { ptr, i64, i64 } { ptr @.str.6623, i64 74, i64 0 }, 0
+  %t428 = icmp eq ptr %t427, null
+  %t429 = select i1 %t428, ptr @.str.6624, ptr %t427
+  %t430 = call i32 (ptr, ...) @printf(ptr @.str.6625, i32 %t426, ptr %t429)
+  %t431 = call i32 (ptr, ...) @printf(ptr @.str.6626)
+  %t432 = extractvalue { ptr, i64, i64 } { ptr @.str.6627, i64 66, i64 0 }, 1
+  %t433 = trunc i64 %t432 to i32
+  %t434 = extractvalue { ptr, i64, i64 } { ptr @.str.6627, i64 66, i64 0 }, 0
+  %t435 = icmp eq ptr %t434, null
+  %t436 = select i1 %t435, ptr @.str.6628, ptr %t434
+  %t437 = call i32 (ptr, ...) @printf(ptr @.str.6629, i32 %t433, ptr %t436)
+  %t438 = call i32 (ptr, ...) @printf(ptr @.str.6630)
+  %t439 = extractvalue { ptr, i64, i64 } { ptr @.str.6631, i64 0, i64 0 }, 1
+  %t440 = trunc i64 %t439 to i32
+  %t441 = extractvalue { ptr, i64, i64 } { ptr @.str.6631, i64 0, i64 0 }, 0
+  %t442 = icmp eq ptr %t441, null
+  %t443 = select i1 %t442, ptr @.str.6632, ptr %t441
+  %t444 = call i32 (ptr, ...) @printf(ptr @.str.6633, i32 %t440, ptr %t443)
+  %t445 = call i32 (ptr, ...) @printf(ptr @.str.6634)
+  %t446 = load i64, ptr %a280
+  %t447 = load { ptr, i64, i64 }, ptr %a197
+  %t448 = extractvalue { ptr, i64, i64 } %t447, 1
+  %t449 = icmp uge i64 %t446, %t448
+  br i1 %t449, label %range9794, label %inrange9795
+range9794:
+  call void @finch_panic_index(ptr @.str.6636, i64 165, i64 %t446, i64 %t448)
   unreachable
-inrange9287:
-  %t421 = extractvalue { ptr, i64, i64 } %t418, 0
-  %t422 = getelementptr inbounds { ptr, i64, i64 }, ptr %t421, i64 %t417
-  %t423 = load { ptr, i64, i64 }, ptr %t422
-  %t424 = call { ptr, i64, i64 } @finch.linker.guessLib({ ptr, i64, i64 } %t423)
-  store { ptr, i64, i64 } { ptr @.str.6398, i64 12, i64 0 }, ptr %a426
-  store { ptr, i64, i64 } %t424, ptr %a427
-  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
-  %t428 = load { ptr, i64, i64 }, ptr %a425
-  store { ptr, i64, i64 } %t428, ptr %a430
-  store { ptr, i64, i64 } { ptr @.str.6400, i64 1, i64 0 }, ptr %a431
-  call void @finch_str_concat(ptr %a429, ptr %a430, ptr %a431)
-  %t432 = load { ptr, i64, i64 }, ptr %a429
-  %t433 = extractvalue { ptr, i64, i64 } %t432, 1
-  %t434 = trunc i64 %t433 to i32
-  %t435 = extractvalue { ptr, i64, i64 } %t432, 0
-  %t436 = icmp eq ptr %t435, null
-  %t437 = select i1 %t436, ptr @.str.6401, ptr %t435
-  %t438 = call i32 (ptr, ...) @printf(ptr @.str.6402, i32 %t434, ptr %t437)
-  %t439 = call i32 (ptr, ...) @printf(ptr @.str.6403)
-  %t440 = extractvalue { ptr, i64, i64 } { ptr @.str.6404, i64 0, i64 0 }, 1
-  %t441 = trunc i64 %t440 to i32
-  %t442 = extractvalue { ptr, i64, i64 } { ptr @.str.6404, i64 0, i64 0 }, 0
-  %t443 = icmp eq ptr %t442, null
-  %t444 = select i1 %t443, ptr @.str.6405, ptr %t442
-  %t445 = call i32 (ptr, ...) @printf(ptr @.str.6406, i32 %t441, ptr %t444)
-  %t446 = call i32 (ptr, ...) @printf(ptr @.str.6407)
-  br label %for.step9260
-for.step9260:
-  %t447 = load i64, ptr %a265
-  %t448 = add i64 %t447, 1
-  store i64 %t448, ptr %a265
-  br label %for.cond9258
-for.end9261:
+inrange9795:
+  %t450 = extractvalue { ptr, i64, i64 } %t447, 0
+  %t451 = getelementptr inbounds { ptr, i64, i64 }, ptr %t450, i64 %t446
+  %t452 = load { ptr, i64, i64 }, ptr %t451
+  %t453 = call { ptr, i64, i64 } @finch.linker.guessLib({ ptr, i64, i64 } %t452)
+  store { ptr, i64, i64 } { ptr @.str.6635, i64 12, i64 0 }, ptr %a455
+  store { ptr, i64, i64 } %t453, ptr %a456
+  call void @finch_str_concat(ptr %a454, ptr %a455, ptr %a456)
+  store { ptr, i64, i64 } %t453, ptr %a457
+  call void @finch_str_drop(ptr %a457)
+  %t458 = load { ptr, i64, i64 }, ptr %a454
+  store { ptr, i64, i64 } %t458, ptr %a460
+  store { ptr, i64, i64 } { ptr @.str.6637, i64 1, i64 0 }, ptr %a461
+  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
+  store { ptr, i64, i64 } %t458, ptr %a462
+  call void @finch_str_drop(ptr %a462)
+  %t463 = load { ptr, i64, i64 }, ptr %a459
+  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
+  %t465 = trunc i64 %t464 to i32
+  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
+  %t467 = icmp eq ptr %t466, null
+  %t468 = select i1 %t467, ptr @.str.6638, ptr %t466
+  %t469 = call i32 (ptr, ...) @printf(ptr @.str.6639, i32 %t465, ptr %t468)
+  store { ptr, i64, i64 } %t463, ptr %a470
+  call void @finch_str_drop(ptr %a470)
+  %t471 = call i32 (ptr, ...) @printf(ptr @.str.6640)
+  %t472 = extractvalue { ptr, i64, i64 } { ptr @.str.6641, i64 0, i64 0 }, 1
+  %t473 = trunc i64 %t472 to i32
+  %t474 = extractvalue { ptr, i64, i64 } { ptr @.str.6641, i64 0, i64 0 }, 0
+  %t475 = icmp eq ptr %t474, null
+  %t476 = select i1 %t475, ptr @.str.6642, ptr %t474
+  %t477 = call i32 (ptr, ...) @printf(ptr @.str.6643, i32 %t473, ptr %t476)
+  %t478 = call i32 (ptr, ...) @printf(ptr @.str.6644)
+  call void @finch_str_drop(ptr %a373)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch.drop.arr_str(ptr %a295)
+  call void @finch.drop.arr_str(ptr %a294)
+  br label %for.step9768
+for.step9768:
+  %t479 = load i64, ptr %a280
+  %t480 = add i64 %t479, 1
+  store i64 %t480, ptr %a280
+  br label %for.cond9766
+for.end9769:
+  call void @finch.drop.arr_S_linker_Names(ptr %a198)
+  call void @finch.drop.arr_str(ptr %a197)
+  call void @finch.drop.S_linker_Names(ptr %a5)
+  call void @finch.drop.S_linker_Names(ptr %a4)
   ret i64 1
 }
 
@@ -83442,111 +100438,95 @@ entry:
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca i64, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca i64, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.platform.Target %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -83558,17 +100538,17 @@ entry:
   %t9 = icmp eq i32 %t8, 0
   %t10 = load { ptr, i64, i64 }, ptr %a7
   %t11 = load { ptr, i64, i64 }, ptr %a6
-  br i1 %t9, label %try.failed9288, label %try.ok9289
-try.failed9288:
+  br i1 %t9, label %try.failed9799, label %try.ok9800
+try.failed9799:
   %t12 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t10, 2
   ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t12
-try.ok9289:
+try.ok9800:
   store { ptr, i64, i64 } %t11, ptr %a13
-  %t14 = call { ptr, i64, i64 } @finch.linker.cacheDir()
+  %t14 = call { ptr, i64, i64 } @finch.host.cacheDir()
   store { ptr, i64, i64 } %t14, ptr %a15
   %t16 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t16, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.6408, i64 4, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.6645, i64 4, i64 0 }, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
   %t20 = load { ptr, i64, i64 }, ptr %a17
   %t21 = load { ptr, i64, i64 }, ptr %a13
@@ -83582,215 +100562,222 @@ try.ok9289:
   store { ptr, i64, i64 } %t26, ptr %a30
   store { ptr, i64, i64 } %t28, ptr %a31
   call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.6409, i64 3, i64 0 }, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  %t37 = call { ptr, i64, i64 } @finch.linker.fingerprint({ ptr, i64, i64 } %t36)
-  store { ptr, i64, i64 } %t20, ptr %a39
-  store { ptr, i64, i64 } %t37, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  store { ptr, i64, i64 } %t41, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.6410, i64 2, i64 0 }, ptr %a44
-  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
-  %t45 = load { ptr, i64, i64 }, ptr %a42
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t47 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t47, ptr %a48
-  %t49 = call i32 @finch_file_exists(ptr %a48)
-  %t50 = icmp ne i32 %t49, 0
-  br i1 %t50, label %then9290, label %endif9292
-then9290:
-  %t51 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t26, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } %t33, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.6646, i64 3, i64 0 }, ptr %a36
+  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a34
+  %t39 = call { ptr, i64, i64 } @finch.linker.fingerprint({ ptr, i64, i64 } %t38)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  store { ptr, i64, i64 } %t20, ptr %a42
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t20, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  store { ptr, i64, i64 } %t39, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t46, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.6647, i64 2, i64 0 }, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  store { ptr, i64, i64 } %t46, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
   store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  %t55 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t56 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t55, { ptr, i64, i64 } %t54, 1
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56
-endif9292:
-  %t57 = load { ptr, i64, i64 }, ptr %a15
-  %t58 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t57)
-  store { ptr, i64, i64 } { ptr @.str.6411, i64 9, i64 0 }, ptr %a60
-  store { ptr, i64, i64 } %t58, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t62, ptr %a64
-  call void @finch_str_copy(ptr %a63, ptr %a64)
-  %t65 = call i64 @finch_shell(ptr %a63)
-  %t66 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6412, i64 5, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  %t71 = call i32 @getpid()
-  %t72 = sext i32 %t71 to i64
-  call void @finch_str_from_int(ptr %a73, i64 %t72)
-  %t74 = load { ptr, i64, i64 }, ptr %a73
-  store { ptr, i64, i64 } %t70, ptr %a76
-  store { ptr, i64, i64 } %t74, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  store { ptr, i64, i64 } %t78, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.6413, i64 6, i64 0 }, ptr %a80
-  %t81 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
-  %t82 = load i1, ptr %t81
-  br i1 %t82, label %then9293, label %endif9295
-then9293:
-  store { ptr, i64, i64 } { ptr @.str.6414, i64 0, i64 0 }, ptr %a80
-  br label %endif9295
-endif9295:
-  %t83 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.6415, i64 4, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t87, ptr %a88
-  %t89 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.6416, i64 4, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t93, ptr %a96
-  store { ptr, i64, i64 } %t94, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.6417, i64 4, i64 0 }, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
+  %t53 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t53, ptr %a54
+  %t55 = call i32 @finch_file_exists(ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br i1 %t56, label %then9801, label %endif9803
+then9801:
+  %t57 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a13)
+  %t58 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t59 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t58, { ptr, i64, i64 } %t57, 1
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t59
+endif9803:
+  %t60 = load { ptr, i64, i64 }, ptr %a15
+  call void @finch.host.makeDirs({ ptr, i64, i64 } %t60)
+  %t61 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.6648, i64 5, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a62
+  %t66 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a67, i64 %t66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t65, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t65, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t68, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t74, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.6649, i64 6, i64 0 }, ptr %a76
+  %t77 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
+  %t78 = load i1, ptr %t77
+  br i1 %t78, label %then9804, label %endif9806
+then9804:
+  %t79 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.6650, i64 0, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif9806
+endif9806:
+  %t81 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t81, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.6651, i64 4, i64 0 }, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t85, ptr %a86
+  %t87 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.6652, i64 4, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a88
+  %t92 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t91, ptr %a94
+  store { ptr, i64, i64 } %t92, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t97, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.6653, i64 4, i64 0 }, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t97, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
   %t103 = load { ptr, i64, i64 }, ptr %a1
   %t104 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t103)
   store { ptr, i64, i64 } %t102, ptr %a106
   store { ptr, i64, i64 } %t104, ptr %a107
   call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.6418, i64 4, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a79
-  %t114 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t113)
-  store { ptr, i64, i64 } %t112, ptr %a116
-  store { ptr, i64, i64 } %t114, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  store { ptr, i64, i64 } %t118, ptr %a120
-  store { ptr, i64, i64 } { ptr @.str.6419, i64 3, i64 0 }, ptr %a121
-  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
-  %t122 = load { ptr, i64, i64 }, ptr %a119
-  %t123 = load { ptr, i64, i64 }, ptr %a88
-  %t124 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t123)
-  store { ptr, i64, i64 } %t122, ptr %a126
-  store { ptr, i64, i64 } %t124, ptr %a127
-  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
-  %t128 = load { ptr, i64, i64 }, ptr %a125
-  store { ptr, i64, i64 } %t128, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.6420, i64 5, i64 0 }, ptr %a131
-  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
-  %t132 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t132, ptr %a134
-  call void @finch_str_copy(ptr %a133, ptr %a134)
-  %t135 = call i64 @finch_shell(ptr %a133)
-  store i64 %t135, ptr %a136
-  %t137 = load i64, ptr %a136
-  %t138 = icmp ne i64 %t137, 0
-  br i1 %t138, label %then9296, label %endif9298
-then9296:
-  %t139 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t139, ptr %a140
-  store { ptr, i64, i64 } zeroinitializer, ptr %a141
-  store { ptr, i64, i64 } zeroinitializer, ptr %a142
-  %t143 = call i32 @finch_try_read_file(ptr %a141, ptr %a140, ptr %a142)
-  %t144 = icmp eq i32 %t143, 0
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  %t146 = load { ptr, i64, i64 }, ptr %a141
-  br i1 %t144, label %or.failed9299, label %or.ok9300
-or.failed9299:
-  store { ptr, i64, i64 } %t145, ptr %a147
-  br label %or.bend9301
-or.bend9301:
-  br label %or.end9302
-or.ok9300:
-  br label %or.end9302
-or.end9302:
-  %t148 = phi { ptr, i64, i64 } [ { ptr @.str.6421, i64 0, i64 0 }, %or.bend9301 ], [ %t146, %or.ok9300 ]
-  store { ptr, i64, i64 } %t148, ptr %a149
-  %t150 = load { ptr, i64, i64 }, ptr %a79
-  %t151 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t150)
-  store { ptr, i64, i64 } { ptr @.str.6422, i64 6, i64 0 }, ptr %a153
-  store { ptr, i64, i64 } %t151, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } %t155, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.6423, i64 1, i64 0 }, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  %t160 = load { ptr, i64, i64 }, ptr %a88
-  %t161 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t160)
-  store { ptr, i64, i64 } %t159, ptr %a163
-  store { ptr, i64, i64 } %t161, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t165, ptr %a167
-  call void @finch_str_copy(ptr %a166, ptr %a167)
-  %t168 = call i64 @finch_shell(ptr %a166)
-  %t169 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.6424, i64 46, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t173, ptr %a176
-  store { ptr, i64, i64 } %t174, ptr %a177
-  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } %t178, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.6425, i64 30, i64 0 }, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  %t183 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t182, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t183
-endif9298:
-  %t184 = load { ptr, i64, i64 }, ptr %a88
-  %t185 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t184)
-  store { ptr, i64, i64 } { ptr @.str.6426, i64 6, i64 0 }, ptr %a187
-  store { ptr, i64, i64 } %t185, ptr %a188
-  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
-  %t189 = load { ptr, i64, i64 }, ptr %a186
-  store { ptr, i64, i64 } %t189, ptr %a191
-  store { ptr, i64, i64 } { ptr @.str.6427, i64 7, i64 0 }, ptr %a192
-  call void @finch_str_concat(ptr %a190, ptr %a191, ptr %a192)
-  %t193 = load { ptr, i64, i64 }, ptr %a190
-  %t194 = load { ptr, i64, i64 }, ptr %a79
-  %t195 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t194)
-  store { ptr, i64, i64 } %t193, ptr %a197
-  store { ptr, i64, i64 } %t195, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.6428, i64 1, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  %t204 = load { ptr, i64, i64 }, ptr %a46
-  %t205 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } %t203, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t209, ptr %a211
-  call void @finch_str_copy(ptr %a210, ptr %a211)
-  %t212 = call i64 @finch_shell(ptr %a210)
-  %t213 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t213, ptr %a214
-  call void @finch_str_copy(ptr %a215, ptr %a214)
-  %t216 = load { ptr, i64, i64 }, ptr %a215
-  %t217 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t218 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t217, { ptr, i64, i64 } %t216, 1
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t218
+  store { ptr, i64, i64 } %t102, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  store { ptr, i64, i64 } %t104, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } %t110, ptr %a112
+  store { ptr, i64, i64 } { ptr @.str.6654, i64 4, i64 0 }, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t110, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  %t116 = load { ptr, i64, i64 }, ptr %a75
+  %t117 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t115, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t117, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t123, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.6655, i64 3, i64 0 }, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = load { ptr, i64, i64 }, ptr %a86
+  %t130 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t129)
+  store { ptr, i64, i64 } %t128, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t128, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a131
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.6656, i64 5, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = call i64 @finch.host.run({ ptr, i64, i64 } %t141)
+  store { ptr, i64, i64 } %t141, ptr %a143
+  call void @finch_str_drop(ptr %a143)
+  store i64 %t142, ptr %a144
+  %t145 = load i64, ptr %a144
+  %t146 = icmp ne i64 %t145, 0
+  br i1 %t146, label %then9807, label %endif9809
+then9807:
+  %t147 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } %t147, ptr %a148
+  store { ptr, i64, i64 } zeroinitializer, ptr %a149
+  store { ptr, i64, i64 } zeroinitializer, ptr %a150
+  %t151 = call i32 @finch_try_read_file(ptr %a149, ptr %a148, ptr %a150)
+  %t152 = icmp eq i32 %t151, 0
+  %t153 = load { ptr, i64, i64 }, ptr %a150
+  %t154 = load { ptr, i64, i64 }, ptr %a149
+  br i1 %t152, label %or.failed9810, label %or.ok9811
+or.failed9810:
+  store { ptr, i64, i64 } %t153, ptr %a155
+  call void @finch_str_drop(ptr %a155)
+  br label %or.bend9812
+or.bend9812:
+  br label %or.end9813
+or.ok9811:
+  br label %or.end9813
+or.end9813:
+  %t156 = phi { ptr, i64, i64 } [ { ptr @.str.6657, i64 0, i64 0 }, %or.bend9812 ], [ %t154, %or.ok9811 ]
+  store { ptr, i64, i64 } %t156, ptr %a157
+  %t158 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.host.remove({ ptr, i64, i64 } %t158)
+  %t159 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.host.remove({ ptr, i64, i64 } %t159)
+  %t160 = load { ptr, i64, i64 }, ptr %a157
+  store { ptr, i64, i64 } %t160, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.6658, i64 46, i64 0 }, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a161
+  %t165 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t164, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  store { ptr, i64, i64 } %t164, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t170, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.6659, i64 30, i64 0 }, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  store { ptr, i64, i64 } %t170, ptr %a174
+  call void @finch_str_drop(ptr %a174)
+  %t175 = load { ptr, i64, i64 }, ptr %a171
+  call void @finch_str_drop(ptr %a157)
+  call void @finch_str_drop(ptr %a86)
+  call void @finch_str_drop(ptr %a76)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a52)
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a13)
+  %t176 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t175, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t176
+endif9809:
+  %t177 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.host.remove({ ptr, i64, i64 } %t177)
+  %t178 = load { ptr, i64, i64 }, ptr %a75
+  %t179 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch.host.move({ ptr, i64, i64 } %t178, { ptr, i64, i64 } %t179)
+  %t180 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch_str_drop(ptr %a86)
+  call void @finch_str_drop(ptr %a76)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a13)
+  %t181 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t182 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t181, { ptr, i64, i64 } %t180, 1
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t182
 }
 
 define internal i64 @finch.linker.build(%S.linker.Build %p0, %S.platform.Target %p1, %S.cimport.CImports %p2) {
@@ -83803,266 +100790,275 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca i64, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
   %a176 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca i64, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
   %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca i64, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca i64, align 16
   %a291 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
   %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
   %a302 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
   %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
   %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
   %a326 = alloca { ptr, i64, i64 }, align 16
   %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
   %a331 = alloca { ptr, i64, i64 }, align 16
   %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a337 = alloca { ptr, i64, i64 }, align 16
   %a338 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
   %a346 = alloca { ptr, i64, i64 }, align 16
   %a347 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
   %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca i64, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
   %a375 = alloca { ptr, i64, i64 }, align 16
   %a376 = alloca { ptr, i64, i64 }, align 16
   %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca i64, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
   %a388 = alloca { ptr, i64, i64 }, align 16
-  %a389 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
   %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
   %a403 = alloca { ptr, i64, i64 }, align 16
   %a404 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a410 = alloca { ptr, i64, i64 }, align 16
   %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
   %a427 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
   %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
   %a442 = alloca { ptr, i64, i64 }, align 16
   %a443 = alloca { ptr, i64, i64 }, align 16
   %a444 = alloca { ptr, i64, i64 }, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
   %a449 = alloca { ptr, i64, i64 }, align 16
   %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
   %a455 = alloca { ptr, i64, i64 }, align 16
   %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
   %a461 = alloca { ptr, i64, i64 }, align 16
   %a462 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
   %a468 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
   %a480 = alloca { ptr, i64, i64 }, align 16
   %a481 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
   %a484 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
   %a489 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca i64, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
   %a494 = alloca { ptr, i64, i64 }, align 16
   %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
   %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
   %a502 = alloca { ptr, i64, i64 }, align 16
-  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
-  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca i64, align 16
   %a509 = alloca { ptr, i64, i64 }, align 16
   %a510 = alloca { ptr, i64, i64 }, align 16
   %a511 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
   %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca i64, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a534 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca i64, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
   %a538 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
-  %a547 = alloca { ptr, i64, i64 }, align 16
-  %a549 = alloca { ptr, i64, i64 }, align 16
-  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a541 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a543 = alloca { ptr, i64, i64 }, align 16
   %a551 = alloca { ptr, i64, i64 }, align 16
   store %S.linker.Build %p0, ptr %a1
   store %S.platform.Target %p1, ptr %a2
   store %S.cimport.CImports %p2, ptr %a3
-  %t4 = extractvalue { ptr, i64, i64 } { ptr @.str.6429, i64 11, i64 0 }, 0
+  %t4 = extractvalue { ptr, i64, i64 } { ptr @.str.6660, i64 11, i64 0 }, 0
   %t5 = icmp eq ptr %t4, null
-  %t6 = select i1 %t5, ptr @.str.6430, ptr %t4
+  %t6 = select i1 %t5, ptr @.str.6661, ptr %t4
   %t7 = call ptr @getenv(ptr %t6)
   store { ptr, i64, i64 } zeroinitializer, ptr %a8
   call void @finch_str_from_c(ptr %a8, ptr %t7)
@@ -84074,701 +101070,823 @@ entry:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a13, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = icmp eq i64 %t15, 0
-  br i1 %t16, label %then9303, label %endif9305
-then9303:
-  store { ptr, i64, i64 } { ptr @.str.6431, i64 5, i64 0 }, ptr %a13
-  br label %endif9305
-endif9305:
+  br i1 %t16, label %then9814, label %endif9816
+then9814:
   %t17 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.6662, i64 5, i64 0 }, ptr %a13
   store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_copy(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t20, ptr %a21
-  %t22 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
-  %t23 = load i1, ptr %t22
-  br i1 %t23, label %then9306, label %else9307
-then9306:
-  %t24 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 7
-  %t25 = load { ptr, i64, i64 }, ptr %t24
-  store { ptr, i64, i64 } %t25, ptr %a26
-  call void @finch_str_copy(ptr %a27, ptr %a26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t28, ptr %a21
-  br label %endif9308
-else9307:
-  %t29 = extractvalue { ptr, i64, i64 } { ptr @.str.6432, i64 8, i64 0 }, 0
-  %t30 = icmp eq ptr %t29, null
-  %t31 = select i1 %t30, ptr @.str.6433, ptr %t29
-  %t32 = call ptr @getenv(ptr %t31)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a33
-  call void @finch_str_from_c(ptr %a33, ptr %t32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
-  %t36 = icmp sgt i64 %t35, 0
-  br i1 %t36, label %then9309, label %endif9311
-then9309:
-  %t37 = extractvalue { ptr, i64, i64 } { ptr @.str.6434, i64 8, i64 0 }, 0
-  %t38 = icmp eq ptr %t37, null
-  %t39 = select i1 %t38, ptr @.str.6435, ptr %t37
-  %t40 = call ptr @getenv(ptr %t39)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a41
-  call void @finch_str_from_c(ptr %a41, ptr %t40)
-  %t42 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch_str_copy(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t45, ptr %a21
-  br label %endif9311
-endif9311:
-  br label %endif9308
-endif9308:
-  %t46 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 2
-  %t47 = load { ptr, i64, i64 }, ptr %t46
-  %t48 = load %S.platform.Target, ptr %a2
-  %t49 = load { ptr, i64, i64 }, ptr %a21
-  %t50 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.linker.runtimeObject({ ptr, i64, i64 } %t47, %S.platform.Target %t48, { ptr, i64, i64 } %t49)
-  %t51 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t50, 0
-  %t52 = xor i1 %t51, true
-  %t53 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t50, 2
-  %t54 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t50, 1
-  br i1 %t52, label %or.failed9312, label %or.ok9313
-or.failed9312:
-  store { ptr, i64, i64 } %t53, ptr %a55
-  %t56 = load { ptr, i64, i64 }, ptr %a55
-  %t57 = extractvalue { ptr, i64, i64 } %t56, 1
-  %t58 = trunc i64 %t57 to i32
-  %t59 = extractvalue { ptr, i64, i64 } %t56, 0
-  %t60 = icmp eq ptr %t59, null
-  %t61 = select i1 %t60, ptr @.str.6436, ptr %t59
-  %t62 = call i32 (ptr, ...) @printf(ptr @.str.6437, i32 %t58, ptr %t61)
-  %t63 = call i32 (ptr, ...) @printf(ptr @.str.6438)
+  call void @finch_str_drop(ptr %a18)
+  br label %endif9816
+endif9816:
+  %t19 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t19, ptr %a20
+  call void @finch_str_copy(ptr %a21, ptr %a20)
+  %t22 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
+  %t25 = load i1, ptr %t24
+  br i1 %t25, label %then9817, label %else9818
+then9817:
+  %t26 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 7
+  %t27 = load { ptr, i64, i64 }, ptr %t26
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_copy(ptr %a29, ptr %a28)
+  %t30 = load { ptr, i64, i64 }, ptr %a29
+  %t31 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t30, ptr %a23
+  store { ptr, i64, i64 } %t31, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  br label %endif9819
+else9818:
+  %t33 = extractvalue { ptr, i64, i64 } { ptr @.str.6663, i64 8, i64 0 }, 0
+  %t34 = icmp eq ptr %t33, null
+  %t35 = select i1 %t34, ptr @.str.6664, ptr %t33
+  %t36 = call ptr @getenv(ptr %t35)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a37
+  call void @finch_str_from_c(ptr %a37, ptr %t36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  %t39 = extractvalue { ptr, i64, i64 } %t38, 1
+  %t40 = icmp sgt i64 %t39, 0
+  br i1 %t40, label %then9820, label %endif9822
+then9820:
+  %t41 = extractvalue { ptr, i64, i64 } { ptr @.str.6665, i64 8, i64 0 }, 0
+  %t42 = icmp eq ptr %t41, null
+  %t43 = select i1 %t42, ptr @.str.6666, ptr %t41
+  %t44 = call ptr @getenv(ptr %t43)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a45
+  call void @finch_str_from_c(ptr %a45, ptr %t44)
+  %t46 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_copy(ptr %a48, ptr %a47)
+  %t49 = load { ptr, i64, i64 }, ptr %a48
+  %t50 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t49, ptr %a23
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %endif9822
+endif9822:
+  br label %endif9819
+endif9819:
+  %t52 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 2
+  %t53 = load { ptr, i64, i64 }, ptr %t52
+  %t54 = load %S.platform.Target, ptr %a2
+  %t55 = load { ptr, i64, i64 }, ptr %a23
+  %t56 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.linker.runtimeObject({ ptr, i64, i64 } %t53, %S.platform.Target %t54, { ptr, i64, i64 } %t55)
+  %t57 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56, 0
+  %t58 = xor i1 %t57, true
+  %t59 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56, 2
+  %t60 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56, 1
+  br i1 %t58, label %or.failed9823, label %or.ok9824
+or.failed9823:
+  store { ptr, i64, i64 } %t59, ptr %a61
+  %t62 = load { ptr, i64, i64 }, ptr %a61
+  %t63 = extractvalue { ptr, i64, i64 } %t62, 1
+  %t64 = trunc i64 %t63 to i32
+  %t65 = extractvalue { ptr, i64, i64 } %t62, 0
+  %t66 = icmp eq ptr %t65, null
+  %t67 = select i1 %t66, ptr @.str.6667, ptr %t65
+  %t68 = call i32 (ptr, ...) @printf(ptr @.str.6668, i32 %t64, ptr %t67)
+  %t69 = call i32 (ptr, ...) @printf(ptr @.str.6669)
+  call void @finch_str_drop(ptr %a61)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-or.ok9313:
-  store { ptr, i64, i64 } %t54, ptr %a64
-  %t65 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6439, i64 3, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a71
-  %t72 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.6440, i64 2, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t79 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t79, ptr %a80
-  %t81 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 1
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  store { ptr, i64, i64 } %t82, ptr %a83
-  %t84 = call i32 @finch_write_file(ptr %a80, ptr %a83)
-  %t85 = icmp ne i32 %t84, 0
-  store { ptr, i64, i64 } { ptr @.str.6441, i64 0, i64 0 }, ptr %a86
-  %t87 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
-  %t88 = load i1, ptr %t87
-  br i1 %t88, label %then9314, label %endif9316
-then9314:
-  %t89 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 0
-  %t90 = load { ptr, i64, i64 }, ptr %t89
-  store { ptr, i64, i64 } { ptr @.str.6442, i64 10, i64 0 }, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t94, ptr %a86
-  br label %endif9316
-endif9316:
-  %t95 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+or.ok9824:
+  store { ptr, i64, i64 } %t60, ptr %a70
+  %t71 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.6670, i64 3, i64 0 }, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t76, ptr %a77
+  %t78 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.6671, i64 2, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a80
+  store { ptr, i64, i64 } %t83, ptr %a84
+  %t85 = load { ptr, i64, i64 }, ptr %a77
+  %t86 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  store { ptr, i64, i64 } %t85, ptr %a88
+  store { ptr, i64, i64 } %t87, ptr %a89
+  %t90 = call i32 @finch_write_file(ptr %a88, ptr %a89)
+  %t91 = icmp ne i32 %t90, 0
+  store { ptr, i64, i64 } { ptr @.str.6672, i64 0, i64 0 }, ptr %a92
+  %t93 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
+  %t94 = load i1, ptr %t93
+  br i1 %t94, label %then9825, label %endif9827
+then9825:
+  %t95 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 0
   %t96 = load { ptr, i64, i64 }, ptr %t95
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.6443, i64 4, i64 0 }, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.6673, i64 10, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
   call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
   %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = load { ptr, i64, i64 }, ptr %a13
-  %t103 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t102, ptr %a105
-  store { ptr, i64, i64 } %t103, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  store { ptr, i64, i64 } %t107, ptr %a109
-  store { ptr, i64, i64 } { ptr @.str.6444, i64 1, i64 0 }, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  %t112 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 3
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } %t111, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 4
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  store { ptr, i64, i64 } %t117, ptr %a121
-  store { ptr, i64, i64 } %t119, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.6445, i64 7, i64 0 }, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = load { ptr, i64, i64 }, ptr %a71
-  %t129 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t128)
+  %t101 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t100, ptr %a92
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif9827
+endif9827:
+  %t103 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.6674, i64 4, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } %t108, ptr %a109
+  %t110 = load { ptr, i64, i64 }, ptr %a13
+  %t111 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t110, ptr %a113
+  store { ptr, i64, i64 } %t111, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t115, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.6675, i64 1, i64 0 }, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a116
+  %t121 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 3
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t120, ptr %a124
+  store { ptr, i64, i64 } %t122, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t120, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a123
+  %t128 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 4
+  %t129 = load { ptr, i64, i64 }, ptr %t128
   store { ptr, i64, i64 } %t127, ptr %a131
   store { ptr, i64, i64 } %t129, ptr %a132
   call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t133, ptr %a135
-  store { ptr, i64, i64 } { ptr @.str.6446, i64 4, i64 0 }, ptr %a136
-  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
-  %t137 = load { ptr, i64, i64 }, ptr %a134
-  %t138 = load { ptr, i64, i64 }, ptr %a78
-  %t139 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t138)
-  store { ptr, i64, i64 } %t137, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  store { ptr, i64, i64 } %t143, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.6447, i64 3, i64 0 }, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = load { ptr, i64, i64 }, ptr %a101
-  %t149 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t148)
+  store { ptr, i64, i64 } %t127, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t134, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.6676, i64 7, i64 0 }, ptr %a137
+  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
+  store { ptr, i64, i64 } %t134, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  %t139 = load { ptr, i64, i64 }, ptr %a135
+  %t140 = load { ptr, i64, i64 }, ptr %a77
+  %t141 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t140)
+  store { ptr, i64, i64 } %t139, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t139, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  store { ptr, i64, i64 } %t141, ptr %a146
+  call void @finch_str_drop(ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t147, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.6677, i64 4, i64 0 }, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
   store { ptr, i64, i64 } %t147, ptr %a151
-  store { ptr, i64, i64 } %t149, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  store { ptr, i64, i64 } %t153, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.6448, i64 5, i64 0 }, ptr %a156
-  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
-  %t157 = load { ptr, i64, i64 }, ptr %a154
-  store { ptr, i64, i64 } %t157, ptr %a159
-  call void @finch_str_copy(ptr %a158, ptr %a159)
-  %t160 = call i64 @finch_shell(ptr %a158)
-  store i64 %t160, ptr %a161
-  %t162 = load { ptr, i64, i64 }, ptr %a71
-  %t163 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t162)
-  store { ptr, i64, i64 } { ptr @.str.6449, i64 6, i64 0 }, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  call void @finch_str_copy(ptr %a168, ptr %a169)
-  %t170 = call i64 @finch_shell(ptr %a168)
-  %t171 = load i64, ptr %a161
-  %t172 = icmp ne i64 %t171, 0
-  br i1 %t172, label %then9317, label %endif9319
-then9317:
-  %t173 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t173, ptr %a174
-  store { ptr, i64, i64 } zeroinitializer, ptr %a175
-  store { ptr, i64, i64 } zeroinitializer, ptr %a176
-  %t177 = call i32 @finch_try_read_file(ptr %a175, ptr %a174, ptr %a176)
-  %t178 = icmp eq i32 %t177, 0
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load { ptr, i64, i64 }, ptr %a175
-  br i1 %t178, label %or.failed9320, label %or.ok9321
-or.failed9320:
-  store { ptr, i64, i64 } %t179, ptr %a181
-  br label %or.bend9322
-or.bend9322:
-  br label %or.end9323
-or.ok9321:
-  br label %or.end9323
-or.end9323:
-  %t182 = phi { ptr, i64, i64 } [ { ptr @.str.6450, i64 0, i64 0 }, %or.bend9322 ], [ %t180, %or.ok9321 ]
-  %t183 = extractvalue { ptr, i64, i64 } %t182, 1
-  %t184 = trunc i64 %t183 to i32
-  %t185 = extractvalue { ptr, i64, i64 } %t182, 0
-  %t186 = icmp eq ptr %t185, null
-  %t187 = select i1 %t186, ptr @.str.6451, ptr %t185
-  %t188 = call i32 (ptr, ...) @printf(ptr @.str.6452, i32 %t184, ptr %t187)
-  %t189 = call i32 (ptr, ...) @printf(ptr @.str.6453)
-  %t190 = extractvalue { ptr, i64, i64 } { ptr @.str.6454, i64 46, i64 0 }, 1
-  %t191 = trunc i64 %t190 to i32
-  %t192 = extractvalue { ptr, i64, i64 } { ptr @.str.6454, i64 46, i64 0 }, 0
-  %t193 = icmp eq ptr %t192, null
-  %t194 = select i1 %t193, ptr @.str.6455, ptr %t192
-  %t195 = call i32 (ptr, ...) @printf(ptr @.str.6456, i32 %t191, ptr %t194)
-  %t196 = call i32 (ptr, ...) @printf(ptr @.str.6457)
-  %t197 = load { ptr, i64, i64 }, ptr %a78
-  %t198 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t197)
-  store { ptr, i64, i64 } { ptr @.str.6458, i64 6, i64 0 }, ptr %a200
-  store { ptr, i64, i64 } %t198, ptr %a201
-  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
-  %t202 = load { ptr, i64, i64 }, ptr %a199
-  store { ptr, i64, i64 } %t202, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.6459, i64 1, i64 0 }, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  %t207 = load { ptr, i64, i64 }, ptr %a101
-  %t208 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t207)
-  store { ptr, i64, i64 } %t206, ptr %a210
-  store { ptr, i64, i64 } %t208, ptr %a211
-  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
-  %t212 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t212, ptr %a214
-  call void @finch_str_copy(ptr %a213, ptr %a214)
-  %t215 = call i64 @finch_shell(ptr %a213)
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  %t153 = load { ptr, i64, i64 }, ptr %a84
+  %t154 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t153)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t152, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  store { ptr, i64, i64 } %t154, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t160, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.6678, i64 3, i64 0 }, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  store { ptr, i64, i64 } %t160, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  %t165 = load { ptr, i64, i64 }, ptr %a161
+  %t166 = load { ptr, i64, i64 }, ptr %a109
+  %t167 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t166)
+  store { ptr, i64, i64 } %t165, ptr %a169
+  store { ptr, i64, i64 } %t167, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t165, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  store { ptr, i64, i64 } %t167, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t173, ptr %a175
+  store { ptr, i64, i64 } { ptr @.str.6679, i64 5, i64 0 }, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t173, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  %t179 = call i64 @finch.host.run({ ptr, i64, i64 } %t178)
+  store { ptr, i64, i64 } %t178, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  store i64 %t179, ptr %a181
+  %t182 = load { ptr, i64, i64 }, ptr %a77
+  call void @finch.host.remove({ ptr, i64, i64 } %t182)
+  %t183 = load i64, ptr %a181
+  %t184 = icmp ne i64 %t183, 0
+  br i1 %t184, label %then9828, label %endif9830
+then9828:
+  %t185 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t185, ptr %a186
+  store { ptr, i64, i64 } zeroinitializer, ptr %a187
+  store { ptr, i64, i64 } zeroinitializer, ptr %a188
+  %t189 = call i32 @finch_try_read_file(ptr %a187, ptr %a186, ptr %a188)
+  %t190 = icmp eq i32 %t189, 0
+  %t191 = load { ptr, i64, i64 }, ptr %a188
+  %t192 = load { ptr, i64, i64 }, ptr %a187
+  br i1 %t190, label %or.failed9831, label %or.ok9832
+or.failed9831:
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  br label %or.bend9833
+or.bend9833:
+  br label %or.end9834
+or.ok9832:
+  br label %or.end9834
+or.end9834:
+  %t194 = phi { ptr, i64, i64 } [ { ptr @.str.6680, i64 0, i64 0 }, %or.bend9833 ], [ %t192, %or.ok9832 ]
+  %t195 = extractvalue { ptr, i64, i64 } %t194, 1
+  %t196 = trunc i64 %t195 to i32
+  %t197 = extractvalue { ptr, i64, i64 } %t194, 0
+  %t198 = icmp eq ptr %t197, null
+  %t199 = select i1 %t198, ptr @.str.6681, ptr %t197
+  %t200 = call i32 (ptr, ...) @printf(ptr @.str.6682, i32 %t196, ptr %t199)
+  store { ptr, i64, i64 } %t194, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = call i32 (ptr, ...) @printf(ptr @.str.6683)
+  %t203 = extractvalue { ptr, i64, i64 } { ptr @.str.6684, i64 46, i64 0 }, 1
+  %t204 = trunc i64 %t203 to i32
+  %t205 = extractvalue { ptr, i64, i64 } { ptr @.str.6684, i64 46, i64 0 }, 0
+  %t206 = icmp eq ptr %t205, null
+  %t207 = select i1 %t206, ptr @.str.6685, ptr %t205
+  %t208 = call i32 (ptr, ...) @printf(ptr @.str.6686, i32 %t204, ptr %t207)
+  %t209 = call i32 (ptr, ...) @printf(ptr @.str.6687)
+  %t210 = load { ptr, i64, i64 }, ptr %a84
+  call void @finch.host.remove({ ptr, i64, i64 } %t210)
+  %t211 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch.host.remove({ ptr, i64, i64 } %t211)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-endif9319:
-  %t216 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } %t216, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.6460, i64 1, i64 0 }, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  %t221 = load { ptr, i64, i64 }, ptr %a78
-  %t222 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t221)
-  store { ptr, i64, i64 } %t220, ptr %a224
-  store { ptr, i64, i64 } %t222, ptr %a225
-  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
-  %t226 = load { ptr, i64, i64 }, ptr %a223
-  store { ptr, i64, i64 } %t226, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.6461, i64 1, i64 0 }, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  %t231 = load { ptr, i64, i64 }, ptr %a64
-  %t232 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t231)
-  store { ptr, i64, i64 } %t230, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  store { ptr, i64, i64 } %t236, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.6462, i64 4, i64 0 }, ptr %a239
-  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
-  %t240 = load { ptr, i64, i64 }, ptr %a237
-  %t241 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t242 = load { ptr, i64, i64 }, ptr %t241
-  %t243 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t242)
-  store { ptr, i64, i64 } %t240, ptr %a245
-  store { ptr, i64, i64 } %t243, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 2
-  %t250 = load i1, ptr %t249
-  %t251 = xor i1 %t250, true
-  br i1 %t251, label %then9324, label %endif9326
-then9324:
-  %t252 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t252, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.6463, i64 4, i64 0 }, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a248
-  br label %endif9326
-endif9326:
-  %t257 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 5
-  %t258 = load i1, ptr %t257
-  br i1 %t258, label %then9327, label %endif9329
-then9327:
-  %t259 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 3
-  %t260 = load i1, ptr %t259
-  br i1 %t260, label %then9330, label %else9331
-then9330:
-  %t261 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t261, ptr %a263
-  store { ptr, i64, i64 } { ptr @.str.6464, i64 12, i64 0 }, ptr %a264
-  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
-  %t265 = load { ptr, i64, i64 }, ptr %a262
-  store { ptr, i64, i64 } %t265, ptr %a248
-  br label %endif9332
-else9331:
-  %t266 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t266, ptr %a268
-  store { ptr, i64, i64 } { ptr @.str.6465, i64 8, i64 0 }, ptr %a269
-  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
-  %t270 = load { ptr, i64, i64 }, ptr %a267
-  store { ptr, i64, i64 } %t270, ptr %a248
-  br label %endif9332
-endif9332:
-  br label %endif9329
-endif9329:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a271
-  %t272 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 6
-  store i64 0, ptr %a273
-  br label %each.cond9333
-each.cond9333:
-  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t272, i32 0, i32 1
-  %t275 = load i64, ptr %t274
-  %t276 = load i64, ptr %a273
-  %t277 = icmp slt i64 %t276, %t275
-  br i1 %t277, label %each.body9334, label %each.end9336
-each.body9334:
-  %t278 = load ptr, ptr %t272
-  %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t278, i64 %t276
-  %t280 = load { ptr, i64, i64 }, ptr %t279
-  store { ptr, i64, i64 } %t280, ptr %a281
-  %t282 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t282, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.6467, i64 2, i64 0 }, ptr %a285
-  %t286 = call i32 @finch_str_ends(ptr %a283, ptr %a285)
-  %t287 = icmp ne i32 %t286, 0
-  br i1 %t287, label %then9337, label %else9338
-then9337:
-  %t288 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t289 = load { ptr, i64, i64 }, ptr %t288
-  store { ptr, i64, i64 } %t289, ptr %a291
-  store { ptr, i64, i64 } { ptr @.str.6468, i64 1, i64 0 }, ptr %a292
-  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
-  %t293 = load { ptr, i64, i64 }, ptr %a290
-  %t294 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t295 = load i64, ptr %t294
-  call void @finch_str_from_int(ptr %a296, i64 %t295)
-  %t297 = load { ptr, i64, i64 }, ptr %a296
-  store { ptr, i64, i64 } %t293, ptr %a299
-  store { ptr, i64, i64 } %t297, ptr %a300
-  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
-  %t301 = load { ptr, i64, i64 }, ptr %a298
-  store { ptr, i64, i64 } %t301, ptr %a303
-  store { ptr, i64, i64 } { ptr @.str.6469, i64 2, i64 0 }, ptr %a304
-  call void @finch_str_concat(ptr %a302, ptr %a303, ptr %a304)
-  %t305 = load { ptr, i64, i64 }, ptr %a302
-  store { ptr, i64, i64 } %t305, ptr %a306
-  store { ptr, i64, i64 } { ptr @.str.6470, i64 6, i64 0 }, ptr %a307
-  %t308 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
-  %t309 = load i1, ptr %t308
-  br i1 %t309, label %then9340, label %endif9342
-then9340:
-  store { ptr, i64, i64 } { ptr @.str.6471, i64 0, i64 0 }, ptr %a307
-  br label %endif9342
-endif9342:
-  %t310 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } %t310, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.6472, i64 4, i64 0 }, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  %t315 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t314, ptr %a317
-  store { ptr, i64, i64 } %t315, ptr %a318
-  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
-  %t319 = load { ptr, i64, i64 }, ptr %a316
-  store { ptr, i64, i64 } %t319, ptr %a321
-  store { ptr, i64, i64 } { ptr @.str.6473, i64 4, i64 0 }, ptr %a322
-  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+endif9830:
+  %t212 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t212, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.6688, i64 1, i64 0 }, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a213
+  %t217 = load { ptr, i64, i64 }, ptr %a84
+  %t218 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t217)
+  store { ptr, i64, i64 } %t216, ptr %a220
+  store { ptr, i64, i64 } %t218, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t216, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  store { ptr, i64, i64 } %t218, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t224, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.6689, i64 1, i64 0 }, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t224, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  %t230 = load { ptr, i64, i64 }, ptr %a70
+  %t231 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t230)
+  store { ptr, i64, i64 } %t229, ptr %a233
+  store { ptr, i64, i64 } %t231, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t229, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  store { ptr, i64, i64 } %t231, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } %t237, ptr %a239
+  store { ptr, i64, i64 } { ptr @.str.6690, i64 4, i64 0 }, ptr %a240
+  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
+  store { ptr, i64, i64 } %t237, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  %t242 = load { ptr, i64, i64 }, ptr %a238
+  %t243 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t244 = load { ptr, i64, i64 }, ptr %t243
+  %t245 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t244)
+  store { ptr, i64, i64 } %t242, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t242, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  store { ptr, i64, i64 } %t245, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t251, ptr %a252
+  %t253 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 2
+  %t254 = load i1, ptr %t253
+  %t255 = xor i1 %t254, true
+  br i1 %t255, label %then9835, label %endif9837
+then9835:
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t256, ptr %a258
+  store { ptr, i64, i64 } { ptr @.str.6691, i64 4, i64 0 }, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  %t260 = load { ptr, i64, i64 }, ptr %a257
+  %t261 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t260, ptr %a252
+  store { ptr, i64, i64 } %t261, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  br label %endif9837
+endif9837:
+  %t263 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 5
+  %t264 = load i1, ptr %t263
+  br i1 %t264, label %then9838, label %endif9840
+then9838:
+  %t265 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 3
+  %t266 = load i1, ptr %t265
+  br i1 %t266, label %then9841, label %else9842
+then9841:
+  %t267 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t267, ptr %a269
+  store { ptr, i64, i64 } { ptr @.str.6692, i64 12, i64 0 }, ptr %a270
+  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a268
+  %t272 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t271, ptr %a252
+  store { ptr, i64, i64 } %t272, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  br label %endif9843
+else9842:
+  %t274 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.6693, i64 8, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a275
+  %t279 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t278, ptr %a252
+  store { ptr, i64, i64 } %t279, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  br label %endif9843
+endif9843:
+  br label %endif9840
+endif9840:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a281
+  %t282 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 6
+  store i64 0, ptr %a283
+  br label %each.cond9844
+each.cond9844:
+  %t284 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
+  %t285 = load i64, ptr %t284
+  %t286 = load i64, ptr %a283
+  %t287 = icmp slt i64 %t286, %t285
+  br i1 %t287, label %each.body9845, label %each.end9847
+each.body9845:
+  %t288 = load ptr, ptr %t282
+  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t288, i64 %t286
+  %t290 = load { ptr, i64, i64 }, ptr %t289
+  store { ptr, i64, i64 } %t290, ptr %a291
+  %t292 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } %t292, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.6695, i64 2, i64 0 }, ptr %a295
+  %t296 = call i32 @finch_str_ends(ptr %a293, ptr %a295)
+  %t297 = icmp ne i32 %t296, 0
+  br i1 %t297, label %then9848, label %else9849
+then9848:
+  %t298 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t299 = load { ptr, i64, i64 }, ptr %t298
+  store { ptr, i64, i64 } %t299, ptr %a301
+  store { ptr, i64, i64 } { ptr @.str.6696, i64 1, i64 0 }, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  %t303 = load { ptr, i64, i64 }, ptr %a300
+  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %a281, i32 0, i32 1
+  %t305 = load i64, ptr %t304
+  call void @finch_str_from_int(ptr %a306, i64 %t305)
+  %t307 = load { ptr, i64, i64 }, ptr %a306
+  store { ptr, i64, i64 } %t303, ptr %a309
+  store { ptr, i64, i64 } %t307, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t303, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  store { ptr, i64, i64 } %t307, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  %t313 = load { ptr, i64, i64 }, ptr %a308
+  store { ptr, i64, i64 } %t313, ptr %a315
+  store { ptr, i64, i64 } { ptr @.str.6697, i64 2, i64 0 }, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t313, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t318, ptr %a319
+  store { ptr, i64, i64 } { ptr @.str.6698, i64 6, i64 0 }, ptr %a320
+  %t321 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
+  %t322 = load i1, ptr %t321
+  br i1 %t322, label %then9851, label %endif9853
+then9851:
   %t323 = load { ptr, i64, i64 }, ptr %a320
-  %t324 = load { ptr, i64, i64 }, ptr %a281
-  %t325 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t324)
-  store { ptr, i64, i64 } %t323, ptr %a327
-  store { ptr, i64, i64 } %t325, ptr %a328
+  store { ptr, i64, i64 } { ptr @.str.6699, i64 0, i64 0 }, ptr %a320
+  store { ptr, i64, i64 } %t323, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  br label %endif9853
+endif9853:
+  %t325 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t325, ptr %a327
+  store { ptr, i64, i64 } { ptr @.str.6700, i64 4, i64 0 }, ptr %a328
   call void @finch_str_concat(ptr %a326, ptr %a327, ptr %a328)
   %t329 = load { ptr, i64, i64 }, ptr %a326
-  store { ptr, i64, i64 } %t329, ptr %a331
-  store { ptr, i64, i64 } { ptr @.str.6474, i64 4, i64 0 }, ptr %a332
-  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
-  %t333 = load { ptr, i64, i64 }, ptr %a330
-  %t334 = load { ptr, i64, i64 }, ptr %a306
-  %t335 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t334)
-  store { ptr, i64, i64 } %t333, ptr %a337
-  store { ptr, i64, i64 } %t335, ptr %a338
+  %t330 = load { ptr, i64, i64 }, ptr %a320
+  store { ptr, i64, i64 } %t329, ptr %a332
+  store { ptr, i64, i64 } %t330, ptr %a333
+  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
+  store { ptr, i64, i64 } %t329, ptr %a334
+  call void @finch_str_drop(ptr %a334)
+  %t335 = load { ptr, i64, i64 }, ptr %a331
+  store { ptr, i64, i64 } %t335, ptr %a337
+  store { ptr, i64, i64 } { ptr @.str.6701, i64 4, i64 0 }, ptr %a338
   call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
-  %t339 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } %t339, ptr %a341
-  store { ptr, i64, i64 } { ptr @.str.6475, i64 3, i64 0 }, ptr %a342
-  call void @finch_str_concat(ptr %a340, ptr %a341, ptr %a342)
-  %t343 = load { ptr, i64, i64 }, ptr %a340
-  %t344 = load { ptr, i64, i64 }, ptr %a101
-  %t345 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t344)
-  store { ptr, i64, i64 } %t343, ptr %a347
-  store { ptr, i64, i64 } %t345, ptr %a348
-  call void @finch_str_concat(ptr %a346, ptr %a347, ptr %a348)
-  %t349 = load { ptr, i64, i64 }, ptr %a346
-  store { ptr, i64, i64 } %t349, ptr %a351
-  store { ptr, i64, i64 } { ptr @.str.6476, i64 5, i64 0 }, ptr %a352
-  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
-  %t353 = load { ptr, i64, i64 }, ptr %a350
-  store { ptr, i64, i64 } %t353, ptr %a355
-  call void @finch_str_copy(ptr %a354, ptr %a355)
-  %t356 = call i64 @finch_shell(ptr %a354)
-  store i64 %t356, ptr %a357
-  %t358 = load i64, ptr %a357
-  %t359 = icmp ne i64 %t358, 0
-  br i1 %t359, label %then9343, label %endif9345
-then9343:
-  %t360 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t360, ptr %a361
-  store { ptr, i64, i64 } zeroinitializer, ptr %a362
-  store { ptr, i64, i64 } zeroinitializer, ptr %a363
-  %t364 = call i32 @finch_try_read_file(ptr %a362, ptr %a361, ptr %a363)
-  %t365 = icmp eq i32 %t364, 0
-  %t366 = load { ptr, i64, i64 }, ptr %a363
-  %t367 = load { ptr, i64, i64 }, ptr %a362
-  br i1 %t365, label %or.failed9346, label %or.ok9347
-or.failed9346:
-  store { ptr, i64, i64 } %t366, ptr %a368
-  br label %or.bend9348
-or.bend9348:
-  br label %or.end9349
-or.ok9347:
-  br label %or.end9349
-or.end9349:
-  %t369 = phi { ptr, i64, i64 } [ { ptr @.str.6477, i64 0, i64 0 }, %or.bend9348 ], [ %t367, %or.ok9347 ]
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.6478, i64 24, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t373, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
+  store { ptr, i64, i64 } %t335, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
+  %t341 = load { ptr, i64, i64 }, ptr %a291
+  %t342 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t341)
+  store { ptr, i64, i64 } %t340, ptr %a344
+  store { ptr, i64, i64 } %t342, ptr %a345
+  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
+  store { ptr, i64, i64 } %t340, ptr %a346
+  call void @finch_str_drop(ptr %a346)
+  store { ptr, i64, i64 } %t342, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a343
+  store { ptr, i64, i64 } %t348, ptr %a350
+  store { ptr, i64, i64 } { ptr @.str.6702, i64 4, i64 0 }, ptr %a351
+  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
+  store { ptr, i64, i64 } %t348, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a349
+  %t354 = load { ptr, i64, i64 }, ptr %a319
+  %t355 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t354)
+  store { ptr, i64, i64 } %t353, ptr %a357
+  store { ptr, i64, i64 } %t355, ptr %a358
+  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
+  store { ptr, i64, i64 } %t353, ptr %a359
+  call void @finch_str_drop(ptr %a359)
+  store { ptr, i64, i64 } %t355, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  %t361 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } %t361, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.6703, i64 3, i64 0 }, ptr %a364
+  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
+  store { ptr, i64, i64 } %t361, ptr %a365
+  call void @finch_str_drop(ptr %a365)
+  %t366 = load { ptr, i64, i64 }, ptr %a362
+  %t367 = load { ptr, i64, i64 }, ptr %a109
+  %t368 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t367)
+  store { ptr, i64, i64 } %t366, ptr %a370
+  store { ptr, i64, i64 } %t368, ptr %a371
+  call void @finch_str_concat(ptr %a369, ptr %a370, ptr %a371)
+  store { ptr, i64, i64 } %t366, ptr %a372
+  call void @finch_str_drop(ptr %a372)
+  store { ptr, i64, i64 } %t368, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a369
+  store { ptr, i64, i64 } %t374, ptr %a376
+  store { ptr, i64, i64 } { ptr @.str.6704, i64 5, i64 0 }, ptr %a377
   call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  %t379 = extractvalue { ptr, i64, i64 } %t378, 1
-  %t380 = trunc i64 %t379 to i32
-  %t381 = extractvalue { ptr, i64, i64 } %t378, 0
-  %t382 = icmp eq ptr %t381, null
-  %t383 = select i1 %t382, ptr @.str.6479, ptr %t381
-  %t384 = call i32 (ptr, ...) @printf(ptr @.str.6480, i32 %t380, ptr %t383)
-  %t385 = call i32 (ptr, ...) @printf(ptr @.str.6481)
-  %t386 = load { ptr, i64, i64 }, ptr %a78
-  %t387 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t386)
-  store { ptr, i64, i64 } { ptr @.str.6482, i64 6, i64 0 }, ptr %a389
-  store { ptr, i64, i64 } %t387, ptr %a390
-  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t374, ptr %a378
+  call void @finch_str_drop(ptr %a378)
+  %t379 = load { ptr, i64, i64 }, ptr %a375
+  %t380 = call i64 @finch.host.run({ ptr, i64, i64 } %t379)
+  store { ptr, i64, i64 } %t379, ptr %a381
+  call void @finch_str_drop(ptr %a381)
+  store i64 %t380, ptr %a382
+  %t383 = load i64, ptr %a382
+  %t384 = icmp ne i64 %t383, 0
+  br i1 %t384, label %then9854, label %endif9856
+then9854:
+  %t385 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t385, ptr %a386
+  store { ptr, i64, i64 } zeroinitializer, ptr %a387
+  store { ptr, i64, i64 } zeroinitializer, ptr %a388
+  %t389 = call i32 @finch_try_read_file(ptr %a387, ptr %a386, ptr %a388)
+  %t390 = icmp eq i32 %t389, 0
   %t391 = load { ptr, i64, i64 }, ptr %a388
+  %t392 = load { ptr, i64, i64 }, ptr %a387
+  br i1 %t390, label %or.failed9857, label %or.ok9858
+or.failed9857:
   store { ptr, i64, i64 } %t391, ptr %a393
-  store { ptr, i64, i64 } { ptr @.str.6483, i64 1, i64 0 }, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  %t396 = load { ptr, i64, i64 }, ptr %a101
-  %t397 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t396)
-  store { ptr, i64, i64 } %t395, ptr %a399
-  store { ptr, i64, i64 } %t397, ptr %a400
-  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
-  %t401 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } %t401, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.6484, i64 1, i64 0 }, ptr %a404
-  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
-  %t405 = load { ptr, i64, i64 }, ptr %a402
-  %t406 = load { ptr, i64, i64 }, ptr %a306
-  %t407 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t406)
-  store { ptr, i64, i64 } %t405, ptr %a409
-  store { ptr, i64, i64 } %t407, ptr %a410
-  call void @finch_str_concat(ptr %a408, ptr %a409, ptr %a410)
-  %t411 = load { ptr, i64, i64 }, ptr %a408
-  store { ptr, i64, i64 } %t411, ptr %a413
-  call void @finch_str_copy(ptr %a412, ptr %a413)
-  %t414 = call i64 @finch_shell(ptr %a412)
+  call void @finch_str_drop(ptr %a393)
+  br label %or.bend9859
+or.bend9859:
+  br label %or.end9860
+or.ok9858:
+  br label %or.end9860
+or.end9860:
+  %t394 = phi { ptr, i64, i64 } [ { ptr @.str.6705, i64 0, i64 0 }, %or.bend9859 ], [ %t392, %or.ok9858 ]
+  store { ptr, i64, i64 } %t394, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.6706, i64 24, i64 0 }, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t394, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  %t400 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } %t399, ptr %a402
+  store { ptr, i64, i64 } %t400, ptr %a403
+  call void @finch_str_concat(ptr %a401, ptr %a402, ptr %a403)
+  store { ptr, i64, i64 } %t399, ptr %a404
+  call void @finch_str_drop(ptr %a404)
+  %t405 = load { ptr, i64, i64 }, ptr %a401
+  %t406 = extractvalue { ptr, i64, i64 } %t405, 1
+  %t407 = trunc i64 %t406 to i32
+  %t408 = extractvalue { ptr, i64, i64 } %t405, 0
+  %t409 = icmp eq ptr %t408, null
+  %t410 = select i1 %t409, ptr @.str.6707, ptr %t408
+  %t411 = call i32 (ptr, ...) @printf(ptr @.str.6708, i32 %t407, ptr %t410)
+  store { ptr, i64, i64 } %t405, ptr %a412
+  call void @finch_str_drop(ptr %a412)
+  %t413 = call i32 (ptr, ...) @printf(ptr @.str.6709)
+  %t414 = load { ptr, i64, i64 }, ptr %a84
+  call void @finch.host.remove({ ptr, i64, i64 } %t414)
+  %t415 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch.host.remove({ ptr, i64, i64 } %t415)
+  %t416 = load { ptr, i64, i64 }, ptr %a319
+  call void @finch.host.remove({ ptr, i64, i64 } %t416)
+  call void @finch_str_drop(ptr %a320)
+  call void @finch_str_drop(ptr %a319)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-endif9345:
-  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t416 = load { ptr, i64, i64 }, ptr %a306
-  store { ptr, i64, i64 } %t416, ptr %a417
-  call void @finch_str_copy(ptr %a418, ptr %a417)
-  %t419 = load { ptr, i64, i64 }, ptr %a418
-  %t420 = load i64, ptr %t415
-  %t421 = add i64 %t420, 1
-  call void @finch_arr_reserve(ptr %a271, i64 %t421, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t422 = load ptr, ptr %a271
-  %t423 = getelementptr inbounds { ptr, i64, i64 }, ptr %t422, i64 %t420
-  store { ptr, i64, i64 } %t419, ptr %t423
-  store i64 %t421, ptr %t415
-  %t424 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t424, ptr %a426
-  store { ptr, i64, i64 } { ptr @.str.6485, i64 1, i64 0 }, ptr %a427
-  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
-  %t428 = load { ptr, i64, i64 }, ptr %a425
-  %t429 = load { ptr, i64, i64 }, ptr %a306
-  %t430 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t429)
-  store { ptr, i64, i64 } %t428, ptr %a432
-  store { ptr, i64, i64 } %t430, ptr %a433
-  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
-  %t434 = load { ptr, i64, i64 }, ptr %a431
-  store { ptr, i64, i64 } %t434, ptr %a248
-  br label %endif9339
-else9338:
-  %t435 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t435, ptr %a436
-  store { ptr, i64, i64 } { ptr @.str.6487, i64 2, i64 0 }, ptr %a438
-  %t439 = call i32 @finch_str_ends(ptr %a436, ptr %a438)
-  %t440 = icmp ne i32 %t439, 0
-  br label %logic.from9350
-logic.from9350:
-  br i1 %t440, label %logic.end9352, label %logic.rhs9351
-logic.rhs9351:
-  %t441 = load { ptr, i64, i64 }, ptr %a281
+endif9856:
+  %t417 = getelementptr inbounds { ptr, i64, i64 }, ptr %a281, i32 0, i32 1
+  %t418 = load { ptr, i64, i64 }, ptr %a319
+  store { ptr, i64, i64 } %t418, ptr %a419
+  call void @finch_str_copy(ptr %a420, ptr %a419)
+  %t421 = load { ptr, i64, i64 }, ptr %a420
+  %t422 = load i64, ptr %t417
+  %t423 = add i64 %t422, 1
+  call void @finch_arr_reserve(ptr %a281, i64 %t423, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t424 = load ptr, ptr %a281
+  %t425 = getelementptr inbounds { ptr, i64, i64 }, ptr %t424, i64 %t422
+  store { ptr, i64, i64 } %t421, ptr %t425
+  store i64 %t423, ptr %t417
+  %t426 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t426, ptr %a428
+  store { ptr, i64, i64 } { ptr @.str.6710, i64 1, i64 0 }, ptr %a429
+  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
+  %t430 = load { ptr, i64, i64 }, ptr %a427
+  %t431 = load { ptr, i64, i64 }, ptr %a319
+  %t432 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t431)
+  store { ptr, i64, i64 } %t430, ptr %a434
+  store { ptr, i64, i64 } %t432, ptr %a435
+  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
+  store { ptr, i64, i64 } %t430, ptr %a436
+  call void @finch_str_drop(ptr %a436)
+  store { ptr, i64, i64 } %t432, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a433
+  %t439 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t438, ptr %a252
+  store { ptr, i64, i64 } %t439, ptr %a440
+  call void @finch_str_drop(ptr %a440)
+  call void @finch_str_drop(ptr %a320)
+  call void @finch_str_drop(ptr %a319)
+  br label %endif9850
+else9849:
+  %t441 = load { ptr, i64, i64 }, ptr %a291
   store { ptr, i64, i64 } %t441, ptr %a442
-  store { ptr, i64, i64 } { ptr @.str.6489, i64 2, i64 0 }, ptr %a444
+  store { ptr, i64, i64 } { ptr @.str.6712, i64 2, i64 0 }, ptr %a444
   %t445 = call i32 @finch_str_ends(ptr %a442, ptr %a444)
   %t446 = icmp ne i32 %t445, 0
-  br label %logic.rend9353
-logic.rend9353:
-  br label %logic.end9352
-logic.end9352:
-  %t447 = phi i1 [ true, %logic.from9350 ], [ %t446, %logic.rend9353 ]
-  br i1 %t447, label %then9354, label %else9355
-then9354:
-  %t448 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t448, ptr %a450
-  store { ptr, i64, i64 } { ptr @.str.6490, i64 1, i64 0 }, ptr %a451
-  call void @finch_str_concat(ptr %a449, ptr %a450, ptr %a451)
-  %t452 = load { ptr, i64, i64 }, ptr %a449
-  %t453 = load { ptr, i64, i64 }, ptr %a281
-  %t454 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t453)
-  store { ptr, i64, i64 } %t452, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
+  br label %logic.from9861
+logic.from9861:
+  br i1 %t446, label %logic.end9863, label %logic.rhs9862
+logic.rhs9862:
+  %t447 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } %t447, ptr %a448
+  store { ptr, i64, i64 } { ptr @.str.6714, i64 2, i64 0 }, ptr %a450
+  %t451 = call i32 @finch_str_ends(ptr %a448, ptr %a450)
+  %t452 = icmp ne i32 %t451, 0
+  br label %logic.rend9864
+logic.rend9864:
+  br label %logic.end9863
+logic.end9863:
+  %t453 = phi i1 [ true, %logic.from9861 ], [ %t452, %logic.rend9864 ]
+  br i1 %t453, label %then9865, label %else9866
+then9865:
+  %t454 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t454, ptr %a456
+  store { ptr, i64, i64 } { ptr @.str.6715, i64 1, i64 0 }, ptr %a457
   call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
   %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a248
-  br label %endif9356
-else9355:
-  %t459 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t459, ptr %a461
-  store { ptr, i64, i64 } { ptr @.str.6491, i64 1, i64 0 }, ptr %a462
-  call void @finch_str_concat(ptr %a460, ptr %a461, ptr %a462)
-  %t463 = load { ptr, i64, i64 }, ptr %a460
-  %t464 = load { ptr, i64, i64 }, ptr %a281
-  %t465 = load %S.platform.Target, ptr %a2
-  %t466 = call { ptr, i64, i64 } @finch.linker.libFlags({ ptr, i64, i64 } %t464, %S.platform.Target %t465)
-  store { ptr, i64, i64 } %t463, ptr %a468
-  store { ptr, i64, i64 } %t466, ptr %a469
-  call void @finch_str_concat(ptr %a467, ptr %a468, ptr %a469)
-  %t470 = load { ptr, i64, i64 }, ptr %a467
-  store { ptr, i64, i64 } %t470, ptr %a248
-  br label %endif9356
-endif9356:
-  br label %endif9339
-endif9339:
-  br label %each.step9335
-each.step9335:
-  %t471 = load i64, ptr %a273
-  %t472 = add i64 %t471, 1
-  store i64 %t472, ptr %a273
-  br label %each.cond9333
-each.end9336:
-  %t473 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t473, ptr %a475
-  store { ptr, i64, i64 } { ptr @.str.6492, i64 3, i64 0 }, ptr %a476
-  call void @finch_str_concat(ptr %a474, ptr %a475, ptr %a476)
-  %t477 = load { ptr, i64, i64 }, ptr %a474
-  %t478 = load { ptr, i64, i64 }, ptr %a101
-  %t479 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t478)
-  store { ptr, i64, i64 } %t477, ptr %a481
-  store { ptr, i64, i64 } %t479, ptr %a482
-  call void @finch_str_concat(ptr %a480, ptr %a481, ptr %a482)
-  %t483 = load { ptr, i64, i64 }, ptr %a480
-  store { ptr, i64, i64 } %t483, ptr %a485
-  store { ptr, i64, i64 } { ptr @.str.6493, i64 5, i64 0 }, ptr %a486
-  call void @finch_str_concat(ptr %a484, ptr %a485, ptr %a486)
-  %t487 = load { ptr, i64, i64 }, ptr %a484
+  %t459 = load { ptr, i64, i64 }, ptr %a291
+  %t460 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t459)
+  store { ptr, i64, i64 } %t458, ptr %a462
+  store { ptr, i64, i64 } %t460, ptr %a463
+  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
+  store { ptr, i64, i64 } %t458, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  store { ptr, i64, i64 } %t460, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  %t466 = load { ptr, i64, i64 }, ptr %a461
+  %t467 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t466, ptr %a252
+  store { ptr, i64, i64 } %t467, ptr %a468
+  call void @finch_str_drop(ptr %a468)
+  br label %endif9867
+else9866:
+  %t469 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t469, ptr %a471
+  store { ptr, i64, i64 } { ptr @.str.6716, i64 1, i64 0 }, ptr %a472
+  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
+  %t473 = load { ptr, i64, i64 }, ptr %a470
+  %t474 = load { ptr, i64, i64 }, ptr %a291
+  %t475 = load %S.platform.Target, ptr %a2
+  %t476 = call { ptr, i64, i64 } @finch.linker.libFlags({ ptr, i64, i64 } %t474, %S.platform.Target %t475)
+  store { ptr, i64, i64 } %t473, ptr %a478
+  store { ptr, i64, i64 } %t476, ptr %a479
+  call void @finch_str_concat(ptr %a477, ptr %a478, ptr %a479)
+  store { ptr, i64, i64 } %t473, ptr %a480
+  call void @finch_str_drop(ptr %a480)
+  store { ptr, i64, i64 } %t476, ptr %a481
+  call void @finch_str_drop(ptr %a481)
+  %t482 = load { ptr, i64, i64 }, ptr %a477
+  %t483 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t482, ptr %a252
+  store { ptr, i64, i64 } %t483, ptr %a484
+  call void @finch_str_drop(ptr %a484)
+  br label %endif9867
+endif9867:
+  br label %endif9850
+endif9850:
+  br label %each.step9846
+each.step9846:
+  %t485 = load i64, ptr %a283
+  %t486 = add i64 %t485, 1
+  store i64 %t486, ptr %a283
+  br label %each.cond9844
+each.end9847:
+  %t487 = load { ptr, i64, i64 }, ptr %a252
   store { ptr, i64, i64 } %t487, ptr %a489
-  call void @finch_str_copy(ptr %a488, ptr %a489)
-  %t490 = call i64 @finch_shell(ptr %a488)
-  store i64 %t490, ptr %a491
-  %t492 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t492, ptr %a493
-  store { ptr, i64, i64 } zeroinitializer, ptr %a494
-  store { ptr, i64, i64 } zeroinitializer, ptr %a495
-  %t496 = call i32 @finch_try_read_file(ptr %a494, ptr %a493, ptr %a495)
-  %t497 = icmp eq i32 %t496, 0
-  %t498 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.6717, i64 3, i64 0 }, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a488
+  %t492 = load { ptr, i64, i64 }, ptr %a109
+  %t493 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t492)
+  store { ptr, i64, i64 } %t491, ptr %a495
+  store { ptr, i64, i64 } %t493, ptr %a496
+  call void @finch_str_concat(ptr %a494, ptr %a495, ptr %a496)
+  store { ptr, i64, i64 } %t491, ptr %a497
+  call void @finch_str_drop(ptr %a497)
+  store { ptr, i64, i64 } %t493, ptr %a498
+  call void @finch_str_drop(ptr %a498)
   %t499 = load { ptr, i64, i64 }, ptr %a494
-  br i1 %t497, label %or.failed9357, label %or.ok9358
-or.failed9357:
-  store { ptr, i64, i64 } %t498, ptr %a500
-  br label %or.bend9359
-or.bend9359:
-  br label %or.end9360
-or.ok9358:
-  br label %or.end9360
-or.end9360:
-  %t501 = phi { ptr, i64, i64 } [ { ptr @.str.6494, i64 0, i64 0 }, %or.bend9359 ], [ %t499, %or.ok9358 ]
-  store { ptr, i64, i64 } %t501, ptr %a502
-  %t503 = load { ptr, i64, i64 }, ptr %a78
-  %t504 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t503)
-  store { ptr, i64, i64 } { ptr @.str.6495, i64 6, i64 0 }, ptr %a506
-  store { ptr, i64, i64 } %t504, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t508, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.6496, i64 1, i64 0 }, ptr %a511
-  call void @finch_str_concat(ptr %a509, ptr %a510, ptr %a511)
-  %t512 = load { ptr, i64, i64 }, ptr %a509
-  %t513 = load { ptr, i64, i64 }, ptr %a101
-  %t514 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t513)
-  store { ptr, i64, i64 } %t512, ptr %a516
-  store { ptr, i64, i64 } %t514, ptr %a517
-  call void @finch_str_concat(ptr %a515, ptr %a516, ptr %a517)
-  %t518 = load { ptr, i64, i64 }, ptr %a515
-  store { ptr, i64, i64 } %t518, ptr %a520
-  call void @finch_str_copy(ptr %a519, ptr %a520)
-  %t521 = call i64 @finch_shell(ptr %a519)
-  store i64 0, ptr %a522
-  br label %each.cond9361
-each.cond9361:
-  %t523 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t524 = load i64, ptr %t523
-  %t525 = load i64, ptr %a522
-  %t526 = icmp slt i64 %t525, %t524
-  br i1 %t526, label %each.body9362, label %each.end9364
-each.body9362:
-  %t527 = load ptr, ptr %a271
-  %t528 = getelementptr inbounds { ptr, i64, i64 }, ptr %t527, i64 %t525
-  %t529 = load { ptr, i64, i64 }, ptr %t528
-  store { ptr, i64, i64 } %t529, ptr %a530
-  %t531 = load { ptr, i64, i64 }, ptr %a530
-  %t532 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t531)
-  store { ptr, i64, i64 } { ptr @.str.6497, i64 6, i64 0 }, ptr %a534
-  store { ptr, i64, i64 } %t532, ptr %a535
-  call void @finch_str_concat(ptr %a533, ptr %a534, ptr %a535)
-  %t536 = load { ptr, i64, i64 }, ptr %a533
-  store { ptr, i64, i64 } %t536, ptr %a538
-  call void @finch_str_copy(ptr %a537, ptr %a538)
-  %t539 = call i64 @finch_shell(ptr %a537)
-  br label %each.step9363
-each.step9363:
-  %t540 = load i64, ptr %a522
-  %t541 = add i64 %t540, 1
-  store i64 %t541, ptr %a522
-  br label %each.cond9361
-each.end9364:
-  %t542 = load i64, ptr %a491
-  %t543 = icmp eq i64 %t542, 127
-  br i1 %t543, label %then9365, label %endif9367
-then9365:
-  %t544 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.6498, i64 42, i64 0 }, ptr %a546
-  store { ptr, i64, i64 } %t544, ptr %a547
-  call void @finch_str_concat(ptr %a545, ptr %a546, ptr %a547)
-  %t548 = load { ptr, i64, i64 }, ptr %a545
-  store { ptr, i64, i64 } %t548, ptr %a550
-  store { ptr, i64, i64 } { ptr @.str.6499, i64 32, i64 0 }, ptr %a551
-  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  %t553 = extractvalue { ptr, i64, i64 } %t552, 1
-  %t554 = trunc i64 %t553 to i32
-  %t555 = extractvalue { ptr, i64, i64 } %t552, 0
-  %t556 = icmp eq ptr %t555, null
-  %t557 = select i1 %t556, ptr @.str.6500, ptr %t555
-  %t558 = call i32 (ptr, ...) @printf(ptr @.str.6501, i32 %t554, ptr %t557)
-  %t559 = call i32 (ptr, ...) @printf(ptr @.str.6502)
+  store { ptr, i64, i64 } %t499, ptr %a501
+  store { ptr, i64, i64 } { ptr @.str.6718, i64 5, i64 0 }, ptr %a502
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  store { ptr, i64, i64 } %t499, ptr %a503
+  call void @finch_str_drop(ptr %a503)
+  %t504 = load { ptr, i64, i64 }, ptr %a500
+  %t505 = call i64 @finch.host.run({ ptr, i64, i64 } %t504)
+  store { ptr, i64, i64 } %t504, ptr %a506
+  call void @finch_str_drop(ptr %a506)
+  store i64 %t505, ptr %a507
+  %t508 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t508, ptr %a509
+  store { ptr, i64, i64 } zeroinitializer, ptr %a510
+  store { ptr, i64, i64 } zeroinitializer, ptr %a511
+  %t512 = call i32 @finch_try_read_file(ptr %a510, ptr %a509, ptr %a511)
+  %t513 = icmp eq i32 %t512, 0
+  %t514 = load { ptr, i64, i64 }, ptr %a511
+  %t515 = load { ptr, i64, i64 }, ptr %a510
+  br i1 %t513, label %or.failed9868, label %or.ok9869
+or.failed9868:
+  store { ptr, i64, i64 } %t514, ptr %a516
+  call void @finch_str_drop(ptr %a516)
+  br label %or.bend9870
+or.bend9870:
+  br label %or.end9871
+or.ok9869:
+  br label %or.end9871
+or.end9871:
+  %t517 = phi { ptr, i64, i64 } [ { ptr @.str.6719, i64 0, i64 0 }, %or.bend9870 ], [ %t515, %or.ok9869 ]
+  store { ptr, i64, i64 } %t517, ptr %a518
+  %t519 = load { ptr, i64, i64 }, ptr %a84
+  call void @finch.host.remove({ ptr, i64, i64 } %t519)
+  %t520 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch.host.remove({ ptr, i64, i64 } %t520)
+  store i64 0, ptr %a521
+  br label %each.cond9872
+each.cond9872:
+  %t522 = getelementptr inbounds { ptr, i64, i64 }, ptr %a281, i32 0, i32 1
+  %t523 = load i64, ptr %t522
+  %t524 = load i64, ptr %a521
+  %t525 = icmp slt i64 %t524, %t523
+  br i1 %t525, label %each.body9873, label %each.end9875
+each.body9873:
+  %t526 = load ptr, ptr %a281
+  %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t526, i64 %t524
+  %t528 = load { ptr, i64, i64 }, ptr %t527
+  store { ptr, i64, i64 } %t528, ptr %a529
+  %t530 = load { ptr, i64, i64 }, ptr %a529
+  call void @finch.host.remove({ ptr, i64, i64 } %t530)
+  br label %each.step9874
+each.step9874:
+  %t531 = load i64, ptr %a521
+  %t532 = add i64 %t531, 1
+  store i64 %t532, ptr %a521
+  br label %each.cond9872
+each.end9875:
+  %t533 = load i64, ptr %a507
+  %t534 = icmp eq i64 %t533, 127
+  br i1 %t534, label %then9876, label %endif9878
+then9876:
+  %t535 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.6720, i64 42, i64 0 }, ptr %a537
+  store { ptr, i64, i64 } %t535, ptr %a538
+  call void @finch_str_concat(ptr %a536, ptr %a537, ptr %a538)
+  %t539 = load { ptr, i64, i64 }, ptr %a536
+  store { ptr, i64, i64 } %t539, ptr %a541
+  store { ptr, i64, i64 } { ptr @.str.6721, i64 32, i64 0 }, ptr %a542
+  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
+  store { ptr, i64, i64 } %t539, ptr %a543
+  call void @finch_str_drop(ptr %a543)
+  %t544 = load { ptr, i64, i64 }, ptr %a540
+  %t545 = extractvalue { ptr, i64, i64 } %t544, 1
+  %t546 = trunc i64 %t545 to i32
+  %t547 = extractvalue { ptr, i64, i64 } %t544, 0
+  %t548 = icmp eq ptr %t547, null
+  %t549 = select i1 %t548, ptr @.str.6722, ptr %t547
+  %t550 = call i32 (ptr, ...) @printf(ptr @.str.6723, i32 %t546, ptr %t549)
+  store { ptr, i64, i64 } %t544, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = call i32 (ptr, ...) @printf(ptr @.str.6724)
+  call void @finch_str_drop(ptr %a518)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-endif9367:
-  %t560 = load i64, ptr %a491
-  %t561 = icmp ne i64 %t560, 0
-  br i1 %t561, label %then9368, label %endif9370
-then9368:
-  %t562 = load { ptr, i64, i64 }, ptr %a502
-  %t563 = load %S.cimport.CImports, ptr %a3
-  %t564 = load %S.platform.Target, ptr %a2
-  %t565 = call i64 @finch.linker.linkFailed({ ptr, i64, i64 } %t562, %S.cimport.CImports %t563, %S.platform.Target %t564)
-  ret i64 %t565
-endif9370:
-  %t566 = getelementptr inbounds { ptr, i64, i64 }, ptr %a502, i32 0, i32 1
-  %t567 = load i64, ptr %t566
-  %t568 = icmp sgt i64 %t567, 0
-  br i1 %t568, label %then9371, label %endif9373
-then9371:
-  %t569 = load { ptr, i64, i64 }, ptr %a502
-  %t570 = extractvalue { ptr, i64, i64 } %t569, 1
-  %t571 = trunc i64 %t570 to i32
-  %t572 = extractvalue { ptr, i64, i64 } %t569, 0
-  %t573 = icmp eq ptr %t572, null
-  %t574 = select i1 %t573, ptr @.str.6503, ptr %t572
-  %t575 = call i32 (ptr, ...) @printf(ptr @.str.6504, i32 %t571, ptr %t574)
-  %t576 = call i32 (ptr, ...) @printf(ptr @.str.6505)
-  br label %endif9373
-endif9373:
+endif9878:
+  %t553 = load i64, ptr %a507
+  %t554 = icmp ne i64 %t553, 0
+  br i1 %t554, label %then9879, label %endif9881
+then9879:
+  %t555 = load { ptr, i64, i64 }, ptr %a518
+  %t556 = load %S.cimport.CImports, ptr %a3
+  %t557 = load %S.platform.Target, ptr %a2
+  %t558 = call i64 @finch.linker.linkFailed({ ptr, i64, i64 } %t555, %S.cimport.CImports %t556, %S.platform.Target %t557)
+  call void @finch_str_drop(ptr %a518)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
+  ret i64 %t558
+endif9881:
+  %t559 = getelementptr inbounds { ptr, i64, i64 }, ptr %a518, i32 0, i32 1
+  %t560 = load i64, ptr %t559
+  %t561 = icmp sgt i64 %t560, 0
+  br i1 %t561, label %then9882, label %endif9884
+then9882:
+  %t562 = load { ptr, i64, i64 }, ptr %a518
+  %t563 = extractvalue { ptr, i64, i64 } %t562, 1
+  %t564 = trunc i64 %t563 to i32
+  %t565 = extractvalue { ptr, i64, i64 } %t562, 0
+  %t566 = icmp eq ptr %t565, null
+  %t567 = select i1 %t566, ptr @.str.6725, ptr %t565
+  %t568 = call i32 (ptr, ...) @printf(ptr @.str.6726, i32 %t564, ptr %t567)
+  %t569 = call i32 (ptr, ...) @printf(ptr @.str.6727)
+  br label %endif9884
+endif9884:
+  call void @finch_str_drop(ptr %a518)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 0
 }
 
@@ -84778,72 +101896,79 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 48
-  br label %logic.from9374
-logic.from9374:
-  br i1 %t3, label %logic.rhs9375, label %logic.end9376
-logic.rhs9375:
+  br label %logic.from9885
+logic.from9885:
+  br i1 %t3, label %logic.rhs9886, label %logic.end9887
+logic.rhs9886:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 57
-  br label %logic.rend9377
-logic.rend9377:
-  br label %logic.end9376
-logic.end9376:
-  %t6 = phi i1 [ false, %logic.from9374 ], [ %t5, %logic.rend9377 ]
-  br i1 %t6, label %then9378, label %endif9380
-then9378:
+  br label %logic.rend9888
+logic.rend9888:
+  br label %logic.end9887
+logic.end9887:
+  %t6 = phi i1 [ false, %logic.from9885 ], [ %t5, %logic.rend9888 ]
+  br i1 %t6, label %then9889, label %endif9891
+then9889:
   %t7 = load i8, ptr %a1
   %t8 = zext i8 %t7 to i64
   %t9 = zext i8 48 to i64
   %t10 = sub i64 %t8, %t9
   ret i64 %t10
-endif9380:
+endif9891:
   %t11 = load i8, ptr %a1
   %t12 = icmp uge i8 %t11, 97
-  br label %logic.from9381
-logic.from9381:
-  br i1 %t12, label %logic.rhs9382, label %logic.end9383
-logic.rhs9382:
+  br label %logic.from9892
+logic.from9892:
+  br i1 %t12, label %logic.rhs9893, label %logic.end9894
+logic.rhs9893:
   %t13 = load i8, ptr %a1
   %t14 = icmp ule i8 %t13, 102
-  br label %logic.rend9384
-logic.rend9384:
-  br label %logic.end9383
-logic.end9383:
-  %t15 = phi i1 [ false, %logic.from9381 ], [ %t14, %logic.rend9384 ]
-  br i1 %t15, label %then9385, label %endif9387
-then9385:
+  br label %logic.rend9895
+logic.rend9895:
+  br label %logic.end9894
+logic.end9894:
+  %t15 = phi i1 [ false, %logic.from9892 ], [ %t14, %logic.rend9895 ]
+  br i1 %t15, label %then9896, label %endif9898
+then9896:
   %t16 = load i8, ptr %a1
   %t17 = zext i8 %t16 to i64
   %t18 = zext i8 97 to i64
   %t19 = sub i64 %t17, %t18
   %t20 = add i64 %t19, 10
   ret i64 %t20
-endif9387:
+endif9898:
   %t21 = load i8, ptr %a1
   %t22 = icmp uge i8 %t21, 65
-  br label %logic.from9388
-logic.from9388:
-  br i1 %t22, label %logic.rhs9389, label %logic.end9390
-logic.rhs9389:
+  br label %logic.from9899
+logic.from9899:
+  br i1 %t22, label %logic.rhs9900, label %logic.end9901
+logic.rhs9900:
   %t23 = load i8, ptr %a1
   %t24 = icmp ule i8 %t23, 70
-  br label %logic.rend9391
-logic.rend9391:
-  br label %logic.end9390
-logic.end9390:
-  %t25 = phi i1 [ false, %logic.from9388 ], [ %t24, %logic.rend9391 ]
-  br i1 %t25, label %then9392, label %endif9394
-then9392:
+  br label %logic.rend9902
+logic.rend9902:
+  br label %logic.end9901
+logic.end9901:
+  %t25 = phi i1 [ false, %logic.from9899 ], [ %t24, %logic.rend9902 ]
+  br i1 %t25, label %then9903, label %endif9905
+then9903:
   %t26 = load i8, ptr %a1
   %t27 = zext i8 %t26 to i64
   %t28 = zext i8 65 to i64
   %t29 = sub i64 %t27, %t28
   %t30 = add i64 %t29, 10
   ret i64 %t30
-endif9394:
+endif9905:
   ret i64 -1
 }
 
+define internal void @finch.drop.arr_u8(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.lsp.uriToPath({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -84855,10 +101980,11 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca i64, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca i64, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -84867,185 +101993,190 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6507, i64 7, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6729, i64 7, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_starts(ptr %a8, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then9395, label %endif9397
-then9395:
+  br i1 %t12, label %then9906, label %endif9908
+then9906:
   %t13 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t13, ptr %a14
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
   %t17 = load i64, ptr %t16
-  call void @finch_str_sub(ptr %a15, ptr %a14, i64 7, i64 %t17, ptr @.str.6508, i64 114)
+  call void @finch_str_sub(ptr %a15, ptr %a14, i64 7, i64 %t17, ptr @.str.6730, i64 114)
   %t18 = load { ptr, i64, i64 }, ptr %a15
+  %t19 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t18, ptr %a6
-  br label %endif9397
-endif9397:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a19
-  store i64 0, ptr %a20
-  br label %while.cond9398
-while.cond9398:
-  %t21 = load i64, ptr %a20
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t23 = load i64, ptr %t22
-  %t24 = icmp slt i64 %t21, %t23
-  br i1 %t24, label %while.body9399, label %while.end9400
-while.body9399:
-  %t25 = load i64, ptr %a20
-  %t26 = load { ptr, i64, i64 }, ptr %a6
-  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
-  %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range9401, label %inrange9402
-range9401:
-  call void @finch_panic_index(ptr @.str.6509, i64 119, i64 %t25, i64 %t27)
+  store { ptr, i64, i64 } %t19, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  br label %endif9908
+endif9908:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a21
+  store i64 0, ptr %a22
+  br label %while.cond9909
+while.cond9909:
+  %t23 = load i64, ptr %a22
+  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t25 = load i64, ptr %t24
+  %t26 = icmp slt i64 %t23, %t25
+  br i1 %t26, label %while.body9910, label %while.end9911
+while.body9910:
+  %t27 = load i64, ptr %a22
+  %t28 = load { ptr, i64, i64 }, ptr %a6
+  %t29 = extractvalue { ptr, i64, i64 } %t28, 1
+  %t30 = icmp uge i64 %t27, %t29
+  br i1 %t30, label %range9912, label %inrange9913
+range9912:
+  call void @finch_panic_index(ptr @.str.6731, i64 119, i64 %t27, i64 %t29)
   unreachable
-inrange9402:
-  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
-  %t30 = getelementptr inbounds i8, ptr %t29, i64 %t25
-  %t31 = load i8, ptr %t30
-  %t32 = icmp eq i8 %t31, 37
-  br label %logic.from9403
-logic.from9403:
-  br i1 %t32, label %logic.rhs9404, label %logic.end9405
-logic.rhs9404:
-  %t33 = load i64, ptr %a20
-  %t34 = add i64 %t33, 2
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t36 = load i64, ptr %t35
-  %t37 = add i64 %t36, 0
-  %t38 = icmp slt i64 %t34, %t37
-  br label %logic.rend9406
-logic.rend9406:
-  br label %logic.end9405
-logic.end9405:
-  %t39 = phi i1 [ false, %logic.from9403 ], [ %t38, %logic.rend9406 ]
-  br label %logic.from9407
-logic.from9407:
-  br i1 %t39, label %logic.rhs9408, label %logic.end9409
-logic.rhs9408:
-  %t40 = load i64, ptr %a20
-  %t41 = add i64 %t40, 1
-  %t42 = load { ptr, i64, i64 }, ptr %a6
-  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
-  %t44 = icmp uge i64 %t41, %t43
-  br i1 %t44, label %range9410, label %inrange9411
-range9410:
-  call void @finch_panic_index(ptr @.str.6510, i64 119, i64 %t41, i64 %t43)
+inrange9913:
+  %t31 = extractvalue { ptr, i64, i64 } %t28, 0
+  %t32 = getelementptr inbounds i8, ptr %t31, i64 %t27
+  %t33 = load i8, ptr %t32
+  %t34 = icmp eq i8 %t33, 37
+  br label %logic.from9914
+logic.from9914:
+  br i1 %t34, label %logic.rhs9915, label %logic.end9916
+logic.rhs9915:
+  %t35 = load i64, ptr %a22
+  %t36 = add i64 %t35, 2
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t38 = load i64, ptr %t37
+  %t39 = add i64 %t38, 0
+  %t40 = icmp slt i64 %t36, %t39
+  br label %logic.rend9917
+logic.rend9917:
+  br label %logic.end9916
+logic.end9916:
+  %t41 = phi i1 [ false, %logic.from9914 ], [ %t40, %logic.rend9917 ]
+  br label %logic.from9918
+logic.from9918:
+  br i1 %t41, label %logic.rhs9919, label %logic.end9920
+logic.rhs9919:
+  %t42 = load i64, ptr %a22
+  %t43 = add i64 %t42, 1
+  %t44 = load { ptr, i64, i64 }, ptr %a6
+  %t45 = extractvalue { ptr, i64, i64 } %t44, 1
+  %t46 = icmp uge i64 %t43, %t45
+  br i1 %t46, label %range9921, label %inrange9922
+range9921:
+  call void @finch_panic_index(ptr @.str.6732, i64 119, i64 %t43, i64 %t45)
   unreachable
-inrange9411:
-  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
-  %t46 = getelementptr inbounds i8, ptr %t45, i64 %t41
-  %t47 = load i8, ptr %t46
-  %t48 = call i64 @finch.lsp.hexval(i8 %t47)
-  %t49 = icmp sge i64 %t48, 0
-  br label %logic.rend9412
-logic.rend9412:
-  br label %logic.end9409
-logic.end9409:
-  %t50 = phi i1 [ false, %logic.from9407 ], [ %t49, %logic.rend9412 ]
-  br label %logic.from9413
-logic.from9413:
-  br i1 %t50, label %logic.rhs9414, label %logic.end9415
-logic.rhs9414:
-  %t51 = load i64, ptr %a20
-  %t52 = add i64 %t51, 2
-  %t53 = load { ptr, i64, i64 }, ptr %a6
-  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
-  %t55 = icmp uge i64 %t52, %t54
-  br i1 %t55, label %range9416, label %inrange9417
-range9416:
-  call void @finch_panic_index(ptr @.str.6511, i64 119, i64 %t52, i64 %t54)
+inrange9922:
+  %t47 = extractvalue { ptr, i64, i64 } %t44, 0
+  %t48 = getelementptr inbounds i8, ptr %t47, i64 %t43
+  %t49 = load i8, ptr %t48
+  %t50 = call i64 @finch.lsp.hexval(i8 %t49)
+  %t51 = icmp sge i64 %t50, 0
+  br label %logic.rend9923
+logic.rend9923:
+  br label %logic.end9920
+logic.end9920:
+  %t52 = phi i1 [ false, %logic.from9918 ], [ %t51, %logic.rend9923 ]
+  br label %logic.from9924
+logic.from9924:
+  br i1 %t52, label %logic.rhs9925, label %logic.end9926
+logic.rhs9925:
+  %t53 = load i64, ptr %a22
+  %t54 = add i64 %t53, 2
+  %t55 = load { ptr, i64, i64 }, ptr %a6
+  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
+  %t57 = icmp uge i64 %t54, %t56
+  br i1 %t57, label %range9927, label %inrange9928
+range9927:
+  call void @finch_panic_index(ptr @.str.6733, i64 119, i64 %t54, i64 %t56)
   unreachable
-inrange9417:
-  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
-  %t57 = getelementptr inbounds i8, ptr %t56, i64 %t52
-  %t58 = load i8, ptr %t57
-  %t59 = call i64 @finch.lsp.hexval(i8 %t58)
-  %t60 = icmp sge i64 %t59, 0
-  br label %logic.rend9418
-logic.rend9418:
-  br label %logic.end9415
-logic.end9415:
-  %t61 = phi i1 [ false, %logic.from9413 ], [ %t60, %logic.rend9418 ]
-  br i1 %t61, label %then9419, label %else9420
-then9419:
-  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t63 = load i64, ptr %a20
-  %t64 = add i64 %t63, 1
-  %t65 = load { ptr, i64, i64 }, ptr %a6
-  %t66 = extractvalue { ptr, i64, i64 } %t65, 1
-  %t67 = icmp uge i64 %t64, %t66
-  br i1 %t67, label %range9422, label %inrange9423
-range9422:
-  call void @finch_panic_index(ptr @.str.6512, i64 120, i64 %t64, i64 %t66)
+inrange9928:
+  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
+  %t59 = getelementptr inbounds i8, ptr %t58, i64 %t54
+  %t60 = load i8, ptr %t59
+  %t61 = call i64 @finch.lsp.hexval(i8 %t60)
+  %t62 = icmp sge i64 %t61, 0
+  br label %logic.rend9929
+logic.rend9929:
+  br label %logic.end9926
+logic.end9926:
+  %t63 = phi i1 [ false, %logic.from9924 ], [ %t62, %logic.rend9929 ]
+  br i1 %t63, label %then9930, label %else9931
+then9930:
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a21, i32 0, i32 1
+  %t65 = load i64, ptr %a22
+  %t66 = add i64 %t65, 1
+  %t67 = load { ptr, i64, i64 }, ptr %a6
+  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
+  %t69 = icmp uge i64 %t66, %t68
+  br i1 %t69, label %range9933, label %inrange9934
+range9933:
+  call void @finch_panic_index(ptr @.str.6734, i64 120, i64 %t66, i64 %t68)
   unreachable
-inrange9423:
-  %t68 = extractvalue { ptr, i64, i64 } %t65, 0
-  %t69 = getelementptr inbounds i8, ptr %t68, i64 %t64
-  %t70 = load i8, ptr %t69
-  %t71 = call i64 @finch.lsp.hexval(i8 %t70)
-  %t72 = mul i64 %t71, 16
-  %t73 = load i64, ptr %a20
-  %t74 = add i64 %t73, 2
-  %t75 = load { ptr, i64, i64 }, ptr %a6
-  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
-  %t77 = icmp uge i64 %t74, %t76
-  br i1 %t77, label %range9424, label %inrange9425
-range9424:
-  call void @finch_panic_index(ptr @.str.6513, i64 120, i64 %t74, i64 %t76)
+inrange9934:
+  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
+  %t71 = getelementptr inbounds i8, ptr %t70, i64 %t66
+  %t72 = load i8, ptr %t71
+  %t73 = call i64 @finch.lsp.hexval(i8 %t72)
+  %t74 = mul i64 %t73, 16
+  %t75 = load i64, ptr %a22
+  %t76 = add i64 %t75, 2
+  %t77 = load { ptr, i64, i64 }, ptr %a6
+  %t78 = extractvalue { ptr, i64, i64 } %t77, 1
+  %t79 = icmp uge i64 %t76, %t78
+  br i1 %t79, label %range9935, label %inrange9936
+range9935:
+  call void @finch_panic_index(ptr @.str.6735, i64 120, i64 %t76, i64 %t78)
   unreachable
-inrange9425:
-  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
-  %t79 = getelementptr inbounds i8, ptr %t78, i64 %t74
-  %t80 = load i8, ptr %t79
-  %t81 = call i64 @finch.lsp.hexval(i8 %t80)
-  %t82 = add i64 %t72, %t81
-  %t83 = trunc i64 %t82 to i8
-  %t84 = load i64, ptr %t62
-  %t85 = add i64 %t84, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t85, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
-  %t86 = load ptr, ptr %a19
-  %t87 = getelementptr inbounds i8, ptr %t86, i64 %t84
-  store i8 %t83, ptr %t87
-  store i64 %t85, ptr %t62
-  %t88 = load i64, ptr %a20
-  %t89 = add i64 %t88, 3
-  store i64 %t89, ptr %a20
-  br label %endif9421
-else9420:
-  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t91 = load i64, ptr %a20
-  %t92 = load { ptr, i64, i64 }, ptr %a6
-  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
-  %t94 = icmp uge i64 %t91, %t93
-  br i1 %t94, label %range9426, label %inrange9427
-range9426:
-  call void @finch_panic_index(ptr @.str.6514, i64 123, i64 %t91, i64 %t93)
+inrange9936:
+  %t80 = extractvalue { ptr, i64, i64 } %t77, 0
+  %t81 = getelementptr inbounds i8, ptr %t80, i64 %t76
+  %t82 = load i8, ptr %t81
+  %t83 = call i64 @finch.lsp.hexval(i8 %t82)
+  %t84 = add i64 %t74, %t83
+  %t85 = trunc i64 %t84 to i8
+  %t86 = load i64, ptr %t64
+  %t87 = add i64 %t86, 1
+  call void @finch_arr_reserve(ptr %a21, i64 %t87, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
+  %t88 = load ptr, ptr %a21
+  %t89 = getelementptr inbounds i8, ptr %t88, i64 %t86
+  store i8 %t85, ptr %t89
+  store i64 %t87, ptr %t64
+  %t90 = load i64, ptr %a22
+  %t91 = add i64 %t90, 3
+  store i64 %t91, ptr %a22
+  br label %endif9932
+else9931:
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a21, i32 0, i32 1
+  %t93 = load i64, ptr %a22
+  %t94 = load { ptr, i64, i64 }, ptr %a6
+  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
+  %t96 = icmp uge i64 %t93, %t95
+  br i1 %t96, label %range9937, label %inrange9938
+range9937:
+  call void @finch_panic_index(ptr @.str.6736, i64 123, i64 %t93, i64 %t95)
   unreachable
-inrange9427:
-  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
-  %t96 = getelementptr inbounds i8, ptr %t95, i64 %t91
-  %t97 = load i8, ptr %t96
-  %t98 = load i64, ptr %t90
-  %t99 = add i64 %t98, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t99, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
-  %t100 = load ptr, ptr %a19
-  %t101 = getelementptr inbounds i8, ptr %t100, i64 %t98
-  store i8 %t97, ptr %t101
-  store i64 %t99, ptr %t90
-  %t102 = load i64, ptr %a20
-  %t103 = add i64 %t102, 1
-  store i64 %t103, ptr %a20
-  br label %endif9421
-endif9421:
-  br label %while.cond9398
-while.end9400:
-  %t104 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } zeroinitializer, ptr %a105
-  store { ptr, i64, i64 } %t104, ptr %a106
-  call void @finch_str_from_bytes(ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a105
-  ret { ptr, i64, i64 } %t107
+inrange9938:
+  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
+  %t98 = getelementptr inbounds i8, ptr %t97, i64 %t93
+  %t99 = load i8, ptr %t98
+  %t100 = load i64, ptr %t92
+  %t101 = add i64 %t100, 1
+  call void @finch_arr_reserve(ptr %a21, i64 %t101, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
+  %t102 = load ptr, ptr %a21
+  %t103 = getelementptr inbounds i8, ptr %t102, i64 %t100
+  store i8 %t99, ptr %t103
+  store i64 %t101, ptr %t92
+  %t104 = load i64, ptr %a22
+  %t105 = add i64 %t104, 1
+  store i64 %t105, ptr %a22
+  br label %endif9932
+endif9932:
+  br label %while.cond9909
+while.end9911:
+  %t106 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } zeroinitializer, ptr %a107
+  store { ptr, i64, i64 } %t106, ptr %a108
+  call void @finch_str_from_bytes(ptr %a107, ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a107
+  call void @finch.drop.arr_u8(ptr %a21)
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t109
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %p0) {
@@ -85060,36 +102191,40 @@ entry:
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6515, i64 16, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.6737, i64 16, i64 0 }, ptr %a2
   %t3 = mul i64 1, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t4 = call ptr @finch_alloc(i64 %t3)
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 0
-  store { ptr, i64, i64 } { ptr @.str.6516, i64 7, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.6738, i64 7, i64 0 }, ptr %t5
   %t6 = insertvalue { ptr, i64, i64 } undef, ptr %t4, 0
   %t7 = insertvalue { ptr, i64, i64 } %t6, i64 1, 1
   %t8 = insertvalue { ptr, i64, i64 } %t7, i64 1, 2
   store { ptr, i64, i64 } %t8, ptr %a9
   store i64 0, ptr %a10
-  br label %each.cond9428
-each.cond9428:
+  br label %each.cond9939
+each.cond9939:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = load i64, ptr %a10
   %t14 = icmp slt i64 %t13, %t12
-  br i1 %t14, label %each.body9429, label %each.end9431
-each.body9429:
+  br i1 %t14, label %each.body9940, label %each.end9942
+each.body9940:
   %t15 = load ptr, ptr %a1
   %t16 = getelementptr inbounds i8, ptr %t15, i64 %t13
   %t17 = load i8, ptr %t16
@@ -85099,153 +102234,163 @@ each.body9429:
   store i64 %t20, ptr %a21
   %t22 = load i8, ptr %a18
   %t23 = icmp uge i8 %t22, 97
-  br label %logic.from9432
-logic.from9432:
-  br i1 %t23, label %logic.rhs9433, label %logic.end9434
-logic.rhs9433:
+  br label %logic.from9943
+logic.from9943:
+  br i1 %t23, label %logic.rhs9944, label %logic.end9945
+logic.rhs9944:
   %t24 = load i8, ptr %a18
   %t25 = icmp ule i8 %t24, 122
-  br label %logic.rend9435
-logic.rend9435:
-  br label %logic.end9434
-logic.end9434:
-  %t26 = phi i1 [ false, %logic.from9432 ], [ %t25, %logic.rend9435 ]
-  br label %logic.from9436
-logic.from9436:
-  br i1 %t26, label %logic.end9438, label %logic.rhs9437
-logic.rhs9437:
+  br label %logic.rend9946
+logic.rend9946:
+  br label %logic.end9945
+logic.end9945:
+  %t26 = phi i1 [ false, %logic.from9943 ], [ %t25, %logic.rend9946 ]
+  br label %logic.from9947
+logic.from9947:
+  br i1 %t26, label %logic.end9949, label %logic.rhs9948
+logic.rhs9948:
   %t27 = load i8, ptr %a18
   %t28 = icmp uge i8 %t27, 65
-  br label %logic.from9439
-logic.from9439:
-  br i1 %t28, label %logic.rhs9440, label %logic.end9441
-logic.rhs9440:
+  br label %logic.from9950
+logic.from9950:
+  br i1 %t28, label %logic.rhs9951, label %logic.end9952
+logic.rhs9951:
   %t29 = load i8, ptr %a18
   %t30 = icmp ule i8 %t29, 90
-  br label %logic.rend9442
-logic.rend9442:
-  br label %logic.end9441
-logic.end9441:
-  %t31 = phi i1 [ false, %logic.from9439 ], [ %t30, %logic.rend9442 ]
-  br label %logic.rend9443
-logic.rend9443:
-  br label %logic.end9438
-logic.end9438:
-  %t32 = phi i1 [ true, %logic.from9436 ], [ %t31, %logic.rend9443 ]
-  br label %logic.from9444
-logic.from9444:
-  br i1 %t32, label %logic.end9446, label %logic.rhs9445
-logic.rhs9445:
+  br label %logic.rend9953
+logic.rend9953:
+  br label %logic.end9952
+logic.end9952:
+  %t31 = phi i1 [ false, %logic.from9950 ], [ %t30, %logic.rend9953 ]
+  br label %logic.rend9954
+logic.rend9954:
+  br label %logic.end9949
+logic.end9949:
+  %t32 = phi i1 [ true, %logic.from9947 ], [ %t31, %logic.rend9954 ]
+  br label %logic.from9955
+logic.from9955:
+  br i1 %t32, label %logic.end9957, label %logic.rhs9956
+logic.rhs9956:
   %t33 = load i8, ptr %a18
   %t34 = icmp uge i8 %t33, 48
-  br label %logic.from9447
-logic.from9447:
-  br i1 %t34, label %logic.rhs9448, label %logic.end9449
-logic.rhs9448:
+  br label %logic.from9958
+logic.from9958:
+  br i1 %t34, label %logic.rhs9959, label %logic.end9960
+logic.rhs9959:
   %t35 = load i8, ptr %a18
   %t36 = icmp ule i8 %t35, 57
-  br label %logic.rend9450
-logic.rend9450:
-  br label %logic.end9449
-logic.end9449:
-  %t37 = phi i1 [ false, %logic.from9447 ], [ %t36, %logic.rend9450 ]
-  br label %logic.rend9451
-logic.rend9451:
-  br label %logic.end9446
-logic.end9446:
-  %t38 = phi i1 [ true, %logic.from9444 ], [ %t37, %logic.rend9451 ]
-  br label %logic.from9452
-logic.from9452:
-  br i1 %t38, label %logic.end9454, label %logic.rhs9453
-logic.rhs9453:
-  store { ptr, i64, i64 } { ptr @.str.6517, i64 5, i64 0 }, ptr %a39
+  br label %logic.rend9961
+logic.rend9961:
+  br label %logic.end9960
+logic.end9960:
+  %t37 = phi i1 [ false, %logic.from9958 ], [ %t36, %logic.rend9961 ]
+  br label %logic.rend9962
+logic.rend9962:
+  br label %logic.end9957
+logic.end9957:
+  %t38 = phi i1 [ true, %logic.from9955 ], [ %t37, %logic.rend9962 ]
+  br label %logic.from9963
+logic.from9963:
+  br i1 %t38, label %logic.end9965, label %logic.rhs9964
+logic.rhs9964:
+  store { ptr, i64, i64 } { ptr @.str.6739, i64 5, i64 0 }, ptr %a39
   %t41 = load i8, ptr %a18
   call void @finch_str_from_char(ptr %a42, i8 signext %t41)
   %t43 = load { ptr, i64, i64 }, ptr %a42
   store { ptr, i64, i64 } %t43, ptr %a44
   %t45 = call i64 @finch_str_find(ptr %a39, ptr %a44)
   %t46 = icmp sge i64 %t45, 0
-  br label %logic.rend9455
-logic.rend9455:
-  br label %logic.end9454
-logic.end9454:
-  %t47 = phi i1 [ true, %logic.from9452 ], [ %t46, %logic.rend9455 ]
-  br i1 %t47, label %then9456, label %else9457
-then9456:
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  %t49 = load i8, ptr %a18
-  call void @finch_str_from_char(ptr %a50, i8 signext %t49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  %t52 = load i64, ptr %t48
-  %t53 = add i64 %t52, 1
-  call void @finch_arr_reserve(ptr %a9, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t54 = load ptr, ptr %a9
-  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
-  store { ptr, i64, i64 } %t51, ptr %t55
-  store i64 %t53, ptr %t48
-  br label %endif9458
-else9457:
-  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  %t57 = load i64, ptr %a21
-  %t58 = sdiv i64 %t57, 16
-  %t59 = srem i64 %t58, 16
-  %t60 = load { ptr, i64, i64 }, ptr %a2
-  %t61 = extractvalue { ptr, i64, i64 } %t60, 1
-  %t62 = icmp uge i64 %t59, %t61
-  br i1 %t62, label %range9459, label %inrange9460
-range9459:
-  call void @finch_panic_index(ptr @.str.6520, i64 138, i64 %t59, i64 %t61)
+  store { ptr, i64, i64 } %t43, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %logic.rend9966
+logic.rend9966:
+  br label %logic.end9965
+logic.end9965:
+  %t48 = phi i1 [ true, %logic.from9963 ], [ %t46, %logic.rend9966 ]
+  br i1 %t48, label %then9967, label %else9968
+then9967:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  %t50 = load i8, ptr %a18
+  call void @finch_str_from_char(ptr %a51, i8 signext %t50)
+  %t52 = load { ptr, i64, i64 }, ptr %a51
+  %t53 = load i64, ptr %t49
+  %t54 = add i64 %t53, 1
+  call void @finch_arr_reserve(ptr %a9, i64 %t54, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t55 = load ptr, ptr %a9
+  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %t55, i64 %t53
+  store { ptr, i64, i64 } %t52, ptr %t56
+  store i64 %t54, ptr %t49
+  br label %endif9969
+else9968:
+  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  %t58 = load i64, ptr %a21
+  %t59 = sdiv i64 %t58, 16
+  %t60 = srem i64 %t59, 16
+  %t61 = load { ptr, i64, i64 }, ptr %a2
+  %t62 = extractvalue { ptr, i64, i64 } %t61, 1
+  %t63 = icmp uge i64 %t60, %t62
+  br i1 %t63, label %range9970, label %inrange9971
+range9970:
+  call void @finch_panic_index(ptr @.str.6742, i64 138, i64 %t60, i64 %t62)
   unreachable
-inrange9460:
-  %t63 = extractvalue { ptr, i64, i64 } %t60, 0
-  %t64 = getelementptr inbounds i8, ptr %t63, i64 %t59
-  %t65 = load i8, ptr %t64
-  call void @finch_str_from_char(ptr %a66, i8 signext %t65)
-  %t67 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } { ptr @.str.6519, i64 1, i64 0 }, ptr %a69
-  store { ptr, i64, i64 } %t67, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = load i64, ptr %a21
-  %t73 = srem i64 %t72, 16
-  %t74 = load { ptr, i64, i64 }, ptr %a2
-  %t75 = extractvalue { ptr, i64, i64 } %t74, 1
-  %t76 = icmp uge i64 %t73, %t75
-  br i1 %t76, label %range9461, label %inrange9462
-range9461:
-  call void @finch_panic_index(ptr @.str.6521, i64 138, i64 %t73, i64 %t75)
+inrange9971:
+  %t64 = extractvalue { ptr, i64, i64 } %t61, 0
+  %t65 = getelementptr inbounds i8, ptr %t64, i64 %t60
+  %t66 = load i8, ptr %t65
+  call void @finch_str_from_char(ptr %a67, i8 signext %t66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } { ptr @.str.6741, i64 1, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  %t74 = load i64, ptr %a21
+  %t75 = srem i64 %t74, 16
+  %t76 = load { ptr, i64, i64 }, ptr %a2
+  %t77 = extractvalue { ptr, i64, i64 } %t76, 1
+  %t78 = icmp uge i64 %t75, %t77
+  br i1 %t78, label %range9972, label %inrange9973
+range9972:
+  call void @finch_panic_index(ptr @.str.6743, i64 138, i64 %t75, i64 %t77)
   unreachable
-inrange9462:
-  %t77 = extractvalue { ptr, i64, i64 } %t74, 0
-  %t78 = getelementptr inbounds i8, ptr %t77, i64 %t73
-  %t79 = load i8, ptr %t78
-  call void @finch_str_from_char(ptr %a80, i8 signext %t79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t71, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  %t86 = load i64, ptr %t56
-  %t87 = add i64 %t86, 1
-  call void @finch_arr_reserve(ptr %a9, i64 %t87, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t88 = load ptr, ptr %a9
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t88, i64 %t86
-  store { ptr, i64, i64 } %t85, ptr %t89
-  store i64 %t87, ptr %t56
-  br label %endif9458
-endif9458:
-  br label %each.step9430
-each.step9430:
-  %t90 = load i64, ptr %a10
+inrange9973:
+  %t79 = extractvalue { ptr, i64, i64 } %t76, 0
+  %t80 = getelementptr inbounds i8, ptr %t79, i64 %t75
+  %t81 = load i8, ptr %t80
+  call void @finch_str_from_char(ptr %a82, i8 signext %t81)
+  %t83 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t73, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t73, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  store { ptr, i64, i64 } %t83, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a84
+  %t90 = load i64, ptr %t57
   %t91 = add i64 %t90, 1
-  store i64 %t91, ptr %a10
-  br label %each.cond9428
-each.end9431:
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6522, i64 0, i64 0 }, ptr %a93
-  call void @finch_str_join(ptr %a94, ptr %a9, ptr %a93)
-  %t95 = load { ptr, i64, i64 }, ptr %a94
-  ret { ptr, i64, i64 } %t95
+  call void @finch_arr_reserve(ptr %a9, i64 %t91, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t92 = load ptr, ptr %a9
+  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t92, i64 %t90
+  store { ptr, i64, i64 } %t89, ptr %t93
+  store i64 %t91, ptr %t57
+  br label %endif9969
+endif9969:
+  br label %each.step9941
+each.step9941:
+  %t94 = load i64, ptr %a10
+  %t95 = add i64 %t94, 1
+  store i64 %t95, ptr %a10
+  br label %each.cond9939
+each.end9942:
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.6744, i64 0, i64 0 }, ptr %a97
+  call void @finch_str_join(ptr %a98, ptr %a9, ptr %a97)
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  call void @finch.drop.arr_str(ptr %a9)
+  call void @finch_str_drop(ptr %a2)
+  ret { ptr, i64, i64 } %t99
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.unesc({ ptr, i64, i64 } %p0) {
@@ -85260,80 +102405,80 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   store i64 0, ptr %a3
-  br label %while.cond9463
-while.cond9463:
+  br label %while.cond9974
+while.cond9974:
   %t4 = load i64, ptr %a3
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = icmp slt i64 %t4, %t6
-  br i1 %t7, label %while.body9464, label %while.end9465
-while.body9464:
+  br i1 %t7, label %while.body9975, label %while.end9976
+while.body9975:
   %t8 = load i64, ptr %a3
   %t9 = load { ptr, i64, i64 }, ptr %a1
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range9466, label %inrange9467
-range9466:
-  call void @finch_panic_index(ptr @.str.6523, i64 149, i64 %t8, i64 %t10)
+  br i1 %t11, label %range9977, label %inrange9978
+range9977:
+  call void @finch_panic_index(ptr @.str.6745, i64 149, i64 %t8, i64 %t10)
   unreachable
-inrange9467:
+inrange9978:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds i8, ptr %t12, i64 %t8
   %t14 = load i8, ptr %t13
   %t15 = icmp eq i8 %t14, 92
-  br label %logic.from9468
-logic.from9468:
-  br i1 %t15, label %logic.rhs9469, label %logic.end9470
-logic.rhs9469:
+  br label %logic.from9979
+logic.from9979:
+  br i1 %t15, label %logic.rhs9980, label %logic.end9981
+logic.rhs9980:
   %t16 = load i64, ptr %a3
   %t17 = add i64 %t16, 1
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp slt i64 %t17, %t19
-  br label %logic.rend9471
-logic.rend9471:
-  br label %logic.end9470
-logic.end9470:
-  %t21 = phi i1 [ false, %logic.from9468 ], [ %t20, %logic.rend9471 ]
-  br i1 %t21, label %then9472, label %else9473
-then9472:
+  br label %logic.rend9982
+logic.rend9982:
+  br label %logic.end9981
+logic.end9981:
+  %t21 = phi i1 [ false, %logic.from9979 ], [ %t20, %logic.rend9982 ]
+  br i1 %t21, label %then9983, label %else9984
+then9983:
   %t22 = load i64, ptr %a3
   %t23 = add i64 %t22, 1
   %t24 = load { ptr, i64, i64 }, ptr %a1
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range9475, label %inrange9476
-range9475:
-  call void @finch_panic_index(ptr @.str.6524, i64 150, i64 %t23, i64 %t25)
+  br i1 %t26, label %range9986, label %inrange9987
+range9986:
+  call void @finch_panic_index(ptr @.str.6746, i64 150, i64 %t23, i64 %t25)
   unreachable
-inrange9476:
+inrange9987:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds i8, ptr %t27, i64 %t23
   %t29 = load i8, ptr %t28
   %t30 = icmp eq i8 %t29, 110
-  br i1 %t30, label %then9477, label %else9478
-then9477:
+  br i1 %t30, label %then9988, label %else9989
+then9988:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t32 = load i64, ptr %t31
   %t33 = add i64 %t32, 1
   call void @finch_arr_reserve(ptr %a2, i64 %t33, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t34 = load ptr, ptr %a2
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i64 %t32
-  store { ptr, i64, i64 } { ptr @.str.6525, i64 1, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.6747, i64 1, i64 0 }, ptr %t35
   store i64 %t33, ptr %t31
-  br label %endif9479
-else9478:
+  br label %endif9990
+else9989:
   %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t37 = load i64, ptr %a3
   %t38 = add i64 %t37, 1
   %t39 = load { ptr, i64, i64 }, ptr %a1
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range9480, label %inrange9481
-range9480:
-  call void @finch_panic_index(ptr @.str.6526, i64 153, i64 %t38, i64 %t40)
+  br i1 %t41, label %range9991, label %inrange9992
+range9991:
+  call void @finch_panic_index(ptr @.str.6748, i64 153, i64 %t38, i64 %t40)
   unreachable
-inrange9481:
+inrange9992:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds i8, ptr %t42, i64 %t38
   %t44 = load i8, ptr %t43
@@ -85346,23 +102491,23 @@ inrange9481:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t47
   store { ptr, i64, i64 } %t46, ptr %t50
   store i64 %t48, ptr %t36
-  br label %endif9479
-endif9479:
+  br label %endif9990
+endif9990:
   %t51 = load i64, ptr %a3
   %t52 = add i64 %t51, 2
   store i64 %t52, ptr %a3
-  br label %endif9474
-else9473:
+  br label %endif9985
+else9984:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t54 = load i64, ptr %a3
   %t55 = load { ptr, i64, i64 }, ptr %a1
   %t56 = extractvalue { ptr, i64, i64 } %t55, 1
   %t57 = icmp uge i64 %t54, %t56
-  br i1 %t57, label %range9482, label %inrange9483
-range9482:
-  call void @finch_panic_index(ptr @.str.6527, i64 157, i64 %t54, i64 %t56)
+  br i1 %t57, label %range9993, label %inrange9994
+range9993:
+  call void @finch_panic_index(ptr @.str.6749, i64 157, i64 %t54, i64 %t56)
   unreachable
-inrange9483:
+inrange9994:
   %t58 = extractvalue { ptr, i64, i64 } %t55, 0
   %t59 = getelementptr inbounds i8, ptr %t58, i64 %t54
   %t60 = load i8, ptr %t59
@@ -85378,14 +102523,15 @@ inrange9483:
   %t67 = load i64, ptr %a3
   %t68 = add i64 %t67, 1
   store i64 %t68, ptr %a3
-  br label %endif9474
-endif9474:
-  br label %while.cond9463
-while.end9465:
+  br label %endif9985
+endif9985:
+  br label %while.cond9974
+while.end9976:
   %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6528, i64 0, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.6750, i64 0, i64 0 }, ptr %a70
   call void @finch_str_join(ptr %a71, ptr %a2, ptr %a70)
   %t72 = load { ptr, i64, i64 }, ptr %a71
+  call void @finch.drop.arr_str(ptr %a2)
   ret { ptr, i64, i64 } %t72
 }
 
@@ -85404,46 +102550,48 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6530, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.6752, i64 1, i64 0 }, ptr %a6
   call void @finch_str_split(ptr %a7, ptr %a4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
   %t10 = load i64, ptr %a2
   %t11 = icmp sge i64 %t10, 1
-  br label %logic.from9484
-logic.from9484:
-  br i1 %t11, label %logic.rhs9485, label %logic.end9486
-logic.rhs9485:
+  br label %logic.from9995
+logic.from9995:
+  br i1 %t11, label %logic.rhs9996, label %logic.end9997
+logic.rhs9996:
   %t12 = load i64, ptr %a2
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sle i64 %t12, %t14
-  br label %logic.rend9487
-logic.rend9487:
-  br label %logic.end9486
-logic.end9486:
-  %t16 = phi i1 [ false, %logic.from9484 ], [ %t15, %logic.rend9487 ]
-  br i1 %t16, label %then9488, label %endif9490
-then9488:
+  br label %logic.rend9998
+logic.rend9998:
+  br label %logic.end9997
+logic.end9997:
+  %t16 = phi i1 [ false, %logic.from9995 ], [ %t15, %logic.rend9998 ]
+  br i1 %t16, label %then9999, label %endif10001
+then9999:
   %t17 = load i64, ptr %a2
   %t18 = sub i64 %t17, 1
   %t19 = load { ptr, i64, i64 }, ptr %a9
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range9491, label %inrange9492
-range9491:
-  call void @finch_panic_index(ptr @.str.6531, i64 167, i64 %t18, i64 %t20)
+  br i1 %t21, label %range10002, label %inrange10003
+range10002:
+  call void @finch_panic_index(ptr @.str.6753, i64 167, i64 %t18, i64 %t20)
   unreachable
-inrange9492:
+inrange10003:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i64 %t18
   %t24 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t24, ptr %a25
   call void @finch_str_copy(ptr %a26, ptr %a25)
   %t27 = load { ptr, i64, i64 }, ptr %a26
+  call void @finch.drop.arr_str(ptr %a9)
   ret { ptr, i64, i64 } %t27
-endif9490:
-  ret { ptr, i64, i64 } { ptr @.str.6532, i64 0, i64 0 }
+endif10001:
+  call void @finch.drop.arr_str(ptr %a9)
+  ret { ptr, i64, i64 } { ptr @.str.6754, i64 0, i64 0 }
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.readLine() {
@@ -85459,26 +102607,26 @@ entry:
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } zeroinitializer, ptr %a1
-  br label %while.cond9493
-while.cond9493:
-  br label %while.body9494
-while.body9494:
+  br label %while.cond10004
+while.cond10004:
+  br label %while.body10005
+while.body10005:
   %t2 = call i32 @getchar()
   store i32 %t2, ptr %a3
   %t4 = load i32, ptr %a3
   %t5 = icmp slt i32 %t4, 0
-  br i1 %t5, label %then9496, label %endif9498
-then9496:
-  ret { ptr, i64, i64 } { ptr @.str.6533, i64 0, i64 0 }
-endif9498:
+  br i1 %t5, label %then10007, label %endif10009
+then10007:
+  call void @finch.drop.arr_u8(ptr %a1)
+  ret { ptr, i64, i64 } { ptr @.str.6755, i64 0, i64 0 }
+endif10009:
   %t6 = load i32, ptr %a3
   %t7 = icmp eq i32 %t6, 10
-  br i1 %t7, label %then9499, label %endif9501
-then9499:
-  br label %while.end9495
-endif9501:
+  br i1 %t7, label %then10010, label %endif10012
+then10010:
+  br label %while.end10006
+endif10012:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t9 = load i32, ptr %a3
   %t10 = trunc i32 %t9 to i8
@@ -85489,8 +102637,8 @@ endif9501:
   %t14 = getelementptr inbounds i8, ptr %t13, i64 %t11
   store i8 %t10, ptr %t14
   store i64 %t12, ptr %t8
-  br label %while.cond9493
-while.end9495:
+  br label %while.cond10004
+while.end10006:
   %t15 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a16
   store { ptr, i64, i64 } %t15, ptr %a17
@@ -85499,26 +102647,27 @@ while.end9495:
   store { ptr, i64, i64 } %t18, ptr %a19
   %t20 = load { ptr, i64, i64 }, ptr %a19
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.6535, i64 1, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.6757, i64 1, i64 0 }, ptr %a23
   %t24 = call i32 @finch_str_ends(ptr %a21, ptr %a23)
   %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then9502, label %endif9504
-then9502:
+  br i1 %t25, label %then10013, label %endif10015
+then10013:
   %t26 = load { ptr, i64, i64 }, ptr %a19
   store { ptr, i64, i64 } %t26, ptr %a27
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
   %t30 = load i64, ptr %t29
   %t31 = sub i64 %t30, 1
-  call void @finch_str_sub(ptr %a28, ptr %a27, i64 0, i64 %t31, ptr @.str.6536, i64 188)
+  call void @finch_str_sub(ptr %a28, ptr %a27, i64 0, i64 %t31, ptr @.str.6758, i64 188)
   %t32 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t32, ptr %a19
-  br label %endif9504
-endif9504:
   %t33 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t32, ptr %a19
   store { ptr, i64, i64 } %t33, ptr %a34
-  call void @finch_str_copy(ptr %a35, ptr %a34)
-  %t36 = load { ptr, i64, i64 }, ptr %a35
-  ret { ptr, i64, i64 } %t36
+  call void @finch_str_drop(ptr %a34)
+  br label %endif10015
+endif10015:
+  %t35 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.drop.arr_u8(ptr %a1)
+  ret { ptr, i64, i64 } %t35
 }
 
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.lsp.readMessage() {
@@ -85533,133 +102682,150 @@ entry:
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca i64, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca i64, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca i64, align 16
-  %a43 = alloca i32, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca i64, align 16
+  %a45 = alloca i32, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   store i64 0, ptr %a1
-  br label %while.cond9505
-while.cond9505:
-  br label %while.body9506
-while.body9506:
+  br label %while.cond10016
+while.cond10016:
+  br label %while.body10017
+while.body10017:
   %t2 = call { ptr, i64, i64 } @finch.lsp.readLine()
   store { ptr, i64, i64 } %t2, ptr %a3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = icmp eq i64 %t5, 0
-  br i1 %t6, label %then9508, label %endif9510
-then9508:
+  br i1 %t6, label %then10019, label %endif10021
+then10019:
   %t7 = load i64, ptr %a1
   %t8 = icmp sgt i64 %t7, 0
-  br i1 %t8, label %then9511, label %endif9513
-then9511:
-  br label %while.end9507
-endif9513:
+  br i1 %t8, label %then10022, label %endif10024
+then10022:
+  call void @finch_str_drop(ptr %a3)
+  br label %while.end10018
+endif10024:
   %t9 = load ptr, ptr @stdin
   %t10 = call i32 @feof(ptr %t9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then9514, label %endif9516
-then9514:
-  %t12 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6537, i64 32, i64 0 }, 2
+  br i1 %t11, label %then10025, label %endif10027
+then10025:
+  call void @finch_str_drop(ptr %a3)
+  %t12 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6759, i64 32, i64 0 }, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t12
-endif9516:
-  br label %while.cond9505
-endif9510:
+endif10027:
+  call void @finch_str_drop(ptr %a3)
+  br label %while.cond10016
+endif10021:
   %t13 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.6539, i64 15, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.6761, i64 15, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_starts(ptr %a14, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br i1 %t18, label %then9517, label %endif9519
-then9517:
+  br i1 %t18, label %then10028, label %endif10030
+then10028:
   %t19 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t19, ptr %a20
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t23 = load i64, ptr %t22
-  call void @finch_str_sub(ptr %a21, ptr %a20, i64 15, i64 %t23, ptr @.str.6540, i64 208)
+  call void @finch_str_sub(ptr %a21, ptr %a20, i64 15, i64 %t23, ptr @.str.6762, i64 208)
   %t24 = load { ptr, i64, i64 }, ptr %a21
   store { ptr, i64, i64 } %t24, ptr %a25
   call void @finch_str_trim(ptr %a26, ptr %a25)
   %t27 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } zeroinitializer, ptr %a28
-  store i64 0, ptr %a29
-  store { ptr, i64, i64 } %t27, ptr %a30
-  %t31 = call i32 @finch_str_try_int(ptr %a30, ptr %a29, ptr %a28)
-  %t32 = icmp eq i32 %t31, 0
-  %t33 = load { ptr, i64, i64 }, ptr %a28
-  %t34 = load i64, ptr %a29
-  br i1 %t32, label %or.failed9520, label %or.ok9521
-or.failed9520:
-  store { ptr, i64, i64 } %t33, ptr %a35
-  br label %or.bend9522
-or.bend9522:
-  br label %or.end9523
-or.ok9521:
-  br label %or.end9523
-or.end9523:
-  %t36 = phi i64 [ 0, %or.bend9522 ], [ %t34, %or.ok9521 ]
-  store i64 %t36, ptr %a1
-  br label %endif9519
-endif9519:
-  br label %while.cond9505
-while.end9507:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a37
-  %t38 = load i64, ptr %a1
-  store i64 0, ptr %a39
-  br label %for.cond9524
-for.cond9524:
-  %t40 = load i64, ptr %a39
-  %t41 = icmp slt i64 %t40, %t38
-  br i1 %t41, label %for.body9525, label %for.end9527
-for.body9525:
-  %t42 = call i32 @getchar()
-  store i32 %t42, ptr %a43
-  %t44 = load i32, ptr %a43
-  %t45 = icmp slt i32 %t44, 0
-  br i1 %t45, label %then9528, label %endif9530
-then9528:
-  %t46 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6542, i64 25, i64 0 }, 2
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t46
-endif9530:
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a37, i32 0, i32 1
-  %t48 = load i32, ptr %a43
-  %t49 = trunc i32 %t48 to i8
-  %t50 = load i64, ptr %t47
-  %t51 = add i64 %t50, 1
-  call void @finch_arr_reserve(ptr %a37, i64 %t51, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
-  %t52 = load ptr, ptr %a37
-  %t53 = getelementptr inbounds i8, ptr %t52, i64 %t50
-  store i8 %t49, ptr %t53
-  store i64 %t51, ptr %t47
-  br label %for.step9526
-for.step9526:
-  %t54 = load i64, ptr %a39
-  %t55 = add i64 %t54, 1
-  store i64 %t55, ptr %a39
-  br label %for.cond9524
-for.end9527:
-  %t56 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } zeroinitializer, ptr %a57
-  store { ptr, i64, i64 } %t56, ptr %a58
-  call void @finch_str_from_bytes(ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a57
-  %t60 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.parse({ ptr, i64, i64 } %t59)
-  %t61 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t60, 0
-  %t62 = xor i1 %t61, true
-  %t63 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t60, 2
-  %t64 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t60, 1
-  br i1 %t62, label %try.failed9531, label %try.ok9532
-try.failed9531:
-  %t65 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t63, 2
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t65
-try.ok9532:
-  %t66 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t67 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t66, %S.json.Json %t64, 1
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t67
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a29
+  store i64 0, ptr %a30
+  store { ptr, i64, i64 } %t27, ptr %a31
+  %t32 = call i32 @finch_str_try_int(ptr %a31, ptr %a30, ptr %a29)
+  %t33 = icmp eq i32 %t32, 0
+  %t34 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } %t27, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load i64, ptr %a30
+  br i1 %t33, label %or.failed10031, label %or.ok10032
+or.failed10031:
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  br label %or.bend10033
+or.bend10033:
+  br label %or.end10034
+or.ok10032:
+  br label %or.end10034
+or.end10034:
+  %t38 = phi i64 [ 0, %or.bend10033 ], [ %t36, %or.ok10032 ]
+  store i64 %t38, ptr %a1
+  br label %endif10030
+endif10030:
+  call void @finch_str_drop(ptr %a3)
+  br label %while.cond10016
+while.end10018:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a39
+  %t40 = load i64, ptr %a1
+  store i64 0, ptr %a41
+  br label %for.cond10035
+for.cond10035:
+  %t42 = load i64, ptr %a41
+  %t43 = icmp slt i64 %t42, %t40
+  br i1 %t43, label %for.body10036, label %for.end10038
+for.body10036:
+  %t44 = call i32 @getchar()
+  store i32 %t44, ptr %a45
+  %t46 = load i32, ptr %a45
+  %t47 = icmp slt i32 %t46, 0
+  br i1 %t47, label %then10039, label %endif10041
+then10039:
+  call void @finch.drop.arr_u8(ptr %a39)
+  %t48 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6764, i64 25, i64 0 }, 2
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t48
+endif10041:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %a39, i32 0, i32 1
+  %t50 = load i32, ptr %a45
+  %t51 = trunc i32 %t50 to i8
+  %t52 = load i64, ptr %t49
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %a39, i64 %t53, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %a39
+  %t55 = getelementptr inbounds i8, ptr %t54, i64 %t52
+  store i8 %t51, ptr %t55
+  store i64 %t53, ptr %t49
+  br label %for.step10037
+for.step10037:
+  %t56 = load i64, ptr %a41
+  %t57 = add i64 %t56, 1
+  store i64 %t57, ptr %a41
+  br label %for.cond10035
+for.end10038:
+  %t58 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } zeroinitializer, ptr %a59
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_from_bytes(ptr %a59, ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a59
+  %t62 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.parse({ ptr, i64, i64 } %t61)
+  %t63 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t62, 0
+  %t64 = xor i1 %t63, true
+  %t65 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t62, 2
+  %t66 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t62, 1
+  store { ptr, i64, i64 } %t61, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  br i1 %t64, label %try.failed10042, label %try.ok10043
+try.failed10042:
+  call void @finch.drop.arr_u8(ptr %a39)
+  %t68 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t65, 2
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t68
+try.ok10043:
+  call void @finch.drop.arr_u8(ptr %a39)
+  %t69 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t70 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t69, %S.json.Json %t66, 1
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t70
 }
 
 define internal void @finch.lsp.send(%S.json.Json %p0) {
@@ -85670,14 +102836,16 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   store %S.json.Json %p0, ptr %a1
   %t2 = load %S.json.Json, ptr %a1
   %t3 = call { ptr, i64, i64 } @finch.json.stringify(%S.json.Json %t2)
@@ -85686,32 +102854,75 @@ entry:
   %t6 = load i64, ptr %t5
   call void @finch_str_from_int(ptr %a7, i64 %t6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.6543, i64 16, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6765, i64 16, i64 0 }, ptr %a10
   store { ptr, i64, i64 } %t8, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
-  %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.6544, i64 4, i64 0 }, ptr %a15
-  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t16, ptr %a17
-  %t18 = load { ptr, i64, i64 }, ptr %a17
-  %t19 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t18, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a24
-  %t25 = load { ptr, i64, i64 }, ptr %a24
-  %t26 = extractvalue { ptr, i64, i64 } %t25, 0
-  %t27 = icmp eq ptr %t26, null
-  %t28 = select i1 %t27, ptr @.str.6545, ptr %t26
-  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a24, i32 0, i32 1
-  %t30 = load i64, ptr %t29
-  %t31 = load ptr, ptr @stdout
-  %t32 = call i64 @fwrite(ptr %t28, i64 1, i64 %t30, ptr %t31)
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  %t13 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t13, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.6766, i64 4, i64 0 }, ptr %a16
+  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a19
+  %t20 = load { ptr, i64, i64 }, ptr %a19
+  %t21 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t21, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t25, ptr %a26
+  %t27 = load { ptr, i64, i64 }, ptr %a26
+  %t28 = extractvalue { ptr, i64, i64 } %t27, 0
+  %t29 = icmp eq ptr %t28, null
+  %t30 = select i1 %t29, ptr @.str.6767, ptr %t28
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %a26, i32 0, i32 1
+  %t32 = load i64, ptr %t31
   %t33 = load ptr, ptr @stdout
-  %t34 = call i32 @fflush(ptr %t33)
+  %t34 = call i64 @fwrite(ptr %t30, i64 1, i64 %t32, ptr %t33)
+  %t35 = load ptr, ptr @stdout
+  %t36 = call i32 @fflush(ptr %t35)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch_str_drop(ptr %a4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_json_Json(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10044
+n.cond10044:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10045, label %n.end10046
+n.body10045:
+  %t7 = getelementptr inbounds %S.json.Json, ptr %t1, i64 %t5
+  call void @finch.drop.S_json_Json(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10044
+n.end10046:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_json_Json(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.json.Json, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.json.Json, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_S_json_Json(ptr %t2)
+  %t3 = getelementptr inbounds %S.json.Json, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t3)
   ret void
 }
 
@@ -85720,18 +102931,22 @@ entry:
   %a1 = alloca %S.json.Json, align 16
   %a2 = alloca %S.json.Json, align 16
   %a4 = alloca %S.json.Json, align 16
+  %a6 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
   store %S.json.Json %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t3, ptr %a4
-  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6547, i64 3, i64 0 })
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6546, i64 7, i64 0 }, %S.json.Json %t5)
-  %t6 = load %S.json.Json, ptr %a1
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6548, i64 2, i64 0 }, %S.json.Json %t6)
-  %t7 = load %S.json.Json, ptr %a2
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6549, i64 6, i64 0 }, %S.json.Json %t7)
-  %t8 = load %S.json.Json, ptr %a4
-  call void @finch.lsp.send(%S.json.Json %t8)
+  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6769, i64 3, i64 0 })
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6768, i64 7, i64 0 }, %S.json.Json %t5)
+  store %S.json.Json %t5, ptr %a6
+  call void @finch.drop.S_json_Json(ptr %a6)
+  %t7 = load %S.json.Json, ptr %a1
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6770, i64 2, i64 0 }, %S.json.Json %t7)
+  %t8 = load %S.json.Json, ptr %a2
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6771, i64 6, i64 0 }, %S.json.Json %t8)
+  %t9 = load %S.json.Json, ptr %a4
+  call void @finch.lsp.send(%S.json.Json %t9)
+  call void @finch.drop.S_json_Json(ptr %a4)
   ret void
 }
 
@@ -85740,19 +102955,26 @@ entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a2 = alloca %S.json.Json, align 16
   %a4 = alloca %S.json.Json, align 16
+  %a6 = alloca %S.json.Json, align 16
+  %a9 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.json.Json %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t3, ptr %a4
-  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6551, i64 3, i64 0 })
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6550, i64 7, i64 0 }, %S.json.Json %t5)
-  %t6 = load { ptr, i64, i64 }, ptr %a1
-  %t7 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t6)
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6552, i64 6, i64 0 }, %S.json.Json %t7)
-  %t8 = load %S.json.Json, ptr %a2
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6553, i64 6, i64 0 }, %S.json.Json %t8)
-  %t9 = load %S.json.Json, ptr %a4
-  call void @finch.lsp.send(%S.json.Json %t9)
+  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6773, i64 3, i64 0 })
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6772, i64 7, i64 0 }, %S.json.Json %t5)
+  store %S.json.Json %t5, ptr %a6
+  call void @finch.drop.S_json_Json(ptr %a6)
+  %t7 = load { ptr, i64, i64 }, ptr %a1
+  %t8 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t7)
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6774, i64 6, i64 0 }, %S.json.Json %t8)
+  store %S.json.Json %t8, ptr %a9
+  call void @finch.drop.S_json_Json(ptr %a9)
+  %t10 = load %S.json.Json, ptr %a2
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6775, i64 6, i64 0 }, %S.json.Json %t10)
+  %t11 = load %S.json.Json, ptr %a4
+  call void @finch.lsp.send(%S.json.Json %t11)
+  call void @finch.drop.S_json_Json(ptr %a4)
   ret void
 }
 
@@ -85766,71 +102988,29 @@ entry:
   ret %S.json.Json %t4
 }
 
-define internal void @finch.copy.arr_S_json_Json(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9533
-n.cond9533:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9534, label %n.end9535
-n.body9534:
-  %t8 = getelementptr inbounds %S.json.Json, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.json.Json, ptr %t2, i64 %t6
-  call void @finch.copy.S_json_Json(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9533
-n.end9535:
-  ret void
-}
-
-define internal void @finch.copy.S_json_Json(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.json.Json, ptr %src
-  store %S.json.Json %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 3
-  %t3 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 3
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 4
-  %t5 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 4
-  call void @finch.copy.arr_S_json_Json(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 5
-  %t7 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t6, ptr %t7)
-  ret void
-}
-
 define internal %S.json.Json @finch.lsp.position(i64 %p0, i64 %p1) {
 entry:
   %a1 = alloca i64, align 16
   %a2 = alloca i64, align 16
   %a4 = alloca %S.json.Json, align 16
+  %a7 = alloca %S.json.Json, align 16
   %a10 = alloca %S.json.Json, align 16
-  %a11 = alloca %S.json.Json, align 16
   store i64 %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t3, ptr %a4
   %t5 = load i64, ptr %a1
   %t6 = call %S.json.Json @finch.lsp.num(i64 %t5)
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6554, i64 4, i64 0 }, %S.json.Json %t6)
-  %t7 = load i64, ptr %a2
-  %t8 = call %S.json.Json @finch.lsp.num(i64 %t7)
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6555, i64 9, i64 0 }, %S.json.Json %t8)
-  %t9 = load %S.json.Json, ptr %a4
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6776, i64 4, i64 0 }, %S.json.Json %t6)
+  store %S.json.Json %t6, ptr %a7
+  call void @finch.drop.S_json_Json(ptr %a7)
+  %t8 = load i64, ptr %a2
+  %t9 = call %S.json.Json @finch.lsp.num(i64 %t8)
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6777, i64 9, i64 0 }, %S.json.Json %t9)
   store %S.json.Json %t9, ptr %a10
-  call void @finch.copy.S_json_Json(ptr %a11, ptr %a10)
-  %t12 = load %S.json.Json, ptr %a11
-  ret %S.json.Json %t12
+  call void @finch.drop.S_json_Json(ptr %a10)
+  %t11 = load %S.json.Json, ptr %a4
+  ret %S.json.Json %t11
 }
 
 define internal %S.json.Json @finch.lsp.range(i64 %p0, i64 %p1, i64 %p2) {
@@ -85839,8 +103019,8 @@ entry:
   %a2 = alloca i64, align 16
   %a3 = alloca i64, align 16
   %a5 = alloca %S.json.Json, align 16
+  %a9 = alloca %S.json.Json, align 16
   %a13 = alloca %S.json.Json, align 16
-  %a14 = alloca %S.json.Json, align 16
   store i64 %p0, ptr %a1
   store i64 %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -85849,16 +103029,17 @@ entry:
   %t6 = load i64, ptr %a1
   %t7 = load i64, ptr %a2
   %t8 = call %S.json.Json @finch.lsp.position(i64 %t6, i64 %t7)
-  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6556, i64 5, i64 0 }, %S.json.Json %t8)
-  %t9 = load i64, ptr %a1
-  %t10 = load i64, ptr %a3
-  %t11 = call %S.json.Json @finch.lsp.position(i64 %t9, i64 %t10)
-  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6557, i64 3, i64 0 }, %S.json.Json %t11)
-  %t12 = load %S.json.Json, ptr %a5
+  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6778, i64 5, i64 0 }, %S.json.Json %t8)
+  store %S.json.Json %t8, ptr %a9
+  call void @finch.drop.S_json_Json(ptr %a9)
+  %t10 = load i64, ptr %a1
+  %t11 = load i64, ptr %a3
+  %t12 = call %S.json.Json @finch.lsp.position(i64 %t10, i64 %t11)
+  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6779, i64 3, i64 0 }, %S.json.Json %t12)
   store %S.json.Json %t12, ptr %a13
-  call void @finch.copy.S_json_Json(ptr %a14, ptr %a13)
-  %t15 = load %S.json.Json, ptr %a14
-  ret %S.json.Json %t15
+  call void @finch.drop.S_json_Json(ptr %a13)
+  %t14 = load %S.json.Json, ptr %a5
+  ret %S.json.Json %t14
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.splitTabs({ ptr, i64, i64 } %p0) {
@@ -85871,7 +103052,7 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6559, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6781, i64 1, i64 0 }, ptr %a5
   call void @finch_str_split(ptr %a6, ptr %a3, ptr %a5)
   %t7 = load { ptr, i64, i64 }, ptr %a6
   ret { ptr, i64, i64 } %t7
@@ -85893,16 +103074,17 @@ entry:
   %t7 = icmp eq i32 %t6, 0
   %t8 = load { ptr, i64, i64 }, ptr %a3
   %t9 = load i64, ptr %a4
-  br i1 %t7, label %or.failed9536, label %or.ok9537
-or.failed9536:
+  br i1 %t7, label %or.failed10047, label %or.ok10048
+or.failed10047:
   store { ptr, i64, i64 } %t8, ptr %a10
-  br label %or.bend9538
-or.bend9538:
-  br label %or.end9539
-or.ok9537:
-  br label %or.end9539
-or.end9539:
-  %t11 = phi i64 [ 0, %or.bend9538 ], [ %t9, %or.ok9537 ]
+  call void @finch_str_drop(ptr %a10)
+  br label %or.bend10049
+or.bend10049:
+  br label %or.end10050
+or.ok10048:
+  br label %or.end10050
+or.end10050:
+  %t11 = phi i64 [ 0, %or.bend10049 ], [ %t9, %or.ok10048 ]
   ret i64 %t11
 }
 
@@ -85937,19 +103119,19 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6561, i64 9, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6783, i64 9, i64 0 }, ptr %a5
   %t6 = call i64 @finch_str_find(ptr %a3, ptr %a5)
   store i64 %t6, ptr %a7
   %t8 = load i64, ptr %a7
   %t9 = icmp slt i64 %t8, 0
-  br i1 %t9, label %then9540, label %endif9542
-then9540:
+  br i1 %t9, label %then10051, label %endif10053
+then10051:
   ret %S.lsp.Diag zeroinitializer
-endif9542:
+endif10053:
   %t10 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t10, ptr %a11
   %t13 = load i64, ptr %a7
-  call void @finch_str_sub(ptr %a12, ptr %a11, i64 0, i64 %t13, ptr @.str.6562, i64 280)
+  call void @finch_str_sub(ptr %a12, ptr %a11, i64 0, i64 %t13, ptr @.str.6784, i64 280)
   %t14 = load { ptr, i64, i64 }, ptr %a12
   store { ptr, i64, i64 } %t14, ptr %a15
   %t16 = load { ptr, i64, i64 }, ptr %a1
@@ -85958,33 +103140,36 @@ endif9542:
   %t20 = add i64 %t19, 9
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t22 = load i64, ptr %t21
-  call void @finch_str_sub(ptr %a18, ptr %a17, i64 %t20, i64 %t22, ptr @.str.6563, i64 281)
+  call void @finch_str_sub(ptr %a18, ptr %a17, i64 %t20, i64 %t22, ptr @.str.6785, i64 281)
   %t23 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t23, ptr %a24
   %t25 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.6565, i64 1, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.6787, i64 1, i64 0 }, ptr %a28
   call void @finch_str_split(ptr %a29, ptr %a26, ptr %a28)
   %t30 = load { ptr, i64, i64 }, ptr %a29
   store { ptr, i64, i64 } %t30, ptr %a31
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a31, i32 0, i32 1
   %t33 = load i64, ptr %t32
   %t34 = icmp slt i64 %t33, 3
-  br i1 %t34, label %then9543, label %endif9545
-then9543:
+  br i1 %t34, label %then10054, label %endif10056
+then10054:
+  call void @finch.drop.arr_str(ptr %a31)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a15)
   ret %S.lsp.Diag zeroinitializer
-endif9545:
+endif10056:
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %a31, i32 0, i32 1
   %t36 = load i64, ptr %t35
   %t37 = sub i64 %t36, 1
   %t38 = load { ptr, i64, i64 }, ptr %a31
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 %t37, %t39
-  br i1 %t40, label %range9546, label %inrange9547
-range9546:
-  call void @finch_panic_index(ptr @.str.6566, i64 287, i64 %t37, i64 %t39)
+  br i1 %t40, label %range10057, label %inrange10058
+range10057:
+  call void @finch_panic_index(ptr @.str.6788, i64 287, i64 %t37, i64 %t39)
   unreachable
-inrange9547:
+inrange10058:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i64 %t37
   %t43 = load { ptr, i64, i64 }, ptr %t42
@@ -85996,11 +103181,11 @@ inrange9547:
   %t49 = load { ptr, i64, i64 }, ptr %a31
   %t50 = extractvalue { ptr, i64, i64 } %t49, 1
   %t51 = icmp uge i64 %t48, %t50
-  br i1 %t51, label %range9548, label %inrange9549
-range9548:
-  call void @finch_panic_index(ptr @.str.6567, i64 288, i64 %t48, i64 %t50)
+  br i1 %t51, label %range10059, label %inrange10060
+range10059:
+  call void @finch_panic_index(ptr @.str.6789, i64 288, i64 %t48, i64 %t50)
   unreachable
-inrange9549:
+inrange10060:
   %t52 = extractvalue { ptr, i64, i64 } %t49, 0
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i64 %t48
   %t54 = load { ptr, i64, i64 }, ptr %t53
@@ -86011,22 +103196,22 @@ inrange9549:
   %t59 = load i64, ptr %t58
   %t60 = sub i64 %t59, 2
   store i64 0, ptr %a61
-  br label %for.cond9550
-for.cond9550:
+  br label %for.cond10061
+for.cond10061:
   %t62 = load i64, ptr %a61
   %t63 = icmp slt i64 %t62, %t60
-  br i1 %t63, label %for.body9551, label %for.end9553
-for.body9551:
+  br i1 %t63, label %for.body10062, label %for.end10064
+for.body10062:
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a57, i32 0, i32 1
   %t65 = load i64, ptr %a61
   %t66 = load { ptr, i64, i64 }, ptr %a31
   %t67 = extractvalue { ptr, i64, i64 } %t66, 1
   %t68 = icmp uge i64 %t65, %t67
-  br i1 %t68, label %range9554, label %inrange9555
-range9554:
-  call void @finch_panic_index(ptr @.str.6568, i64 291, i64 %t65, i64 %t67)
+  br i1 %t68, label %range10065, label %inrange10066
+range10065:
+  call void @finch_panic_index(ptr @.str.6790, i64 291, i64 %t65, i64 %t67)
   unreachable
-inrange9555:
+inrange10066:
   %t69 = extractvalue { ptr, i64, i64 } %t66, 0
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i64 %t65
   %t71 = load { ptr, i64, i64 }, ptr %t70
@@ -86040,16 +103225,16 @@ inrange9555:
   %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i64 %t75
   store { ptr, i64, i64 } %t74, ptr %t78
   store i64 %t76, ptr %t64
-  br label %for.step9552
-for.step9552:
+  br label %for.step10063
+for.step10063:
   %t79 = load i64, ptr %a61
   %t80 = add i64 %t79, 1
   store i64 %t80, ptr %a61
-  br label %for.cond9550
-for.end9553:
+  br label %for.cond10061
+for.end10064:
   %t81 = insertvalue %S.lsp.Diag zeroinitializer, i1 true, 0
   %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %a57, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6569, i64 1, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.6791, i64 1, i64 0 }, ptr %a83
   call void @finch_str_join(ptr %a84, ptr %a57, ptr %a83)
   %t85 = load { ptr, i64, i64 }, ptr %a84
   %t86 = insertvalue %S.lsp.Diag %t81, { ptr, i64, i64 } %t85, 1
@@ -86062,285 +103247,20 @@ for.end9553:
   call void @finch_str_copy(ptr %a93, ptr %a92)
   %t94 = load { ptr, i64, i64 }, ptr %a93
   %t95 = insertvalue %S.lsp.Diag %t90, { ptr, i64, i64 } %t94, 4
+  call void @finch.drop.arr_str(ptr %a57)
+  call void @finch.drop.arr_str(ptr %a31)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a15)
   ret %S.lsp.Diag %t95
 }
 
-define internal void @finch.copy.S_lsp_Ref(ptr %dst, ptr %src) {
+define internal void @finch.drop.S_lsp_Diag(ptr %a) {
 entry:
 
-  %t1 = load %S.lsp.Ref, ptr %src
-  store %S.lsp.Ref %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 4
-  %t5 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 4
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 7
-  %t7 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 7
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_Ref(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.Ref, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9703
-n.cond9703:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9704, label %n.end9705
-n.body9704:
-  %t8 = getelementptr inbounds %S.lsp.Ref, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.Ref, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_Ref(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9703
-n.end9705:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_VarRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.VarRec, ptr %src
-  store %S.lsp.VarRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 5
-  call void @finch_str_copy(ptr %t8, ptr %t9)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_VarRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.VarRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9706
-n.cond9706:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9707, label %n.end9708
-n.body9707:
-  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_VarRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9706
-n.end9708:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_FnRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.FnRec, ptr %src
-  store %S.lsp.FnRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 3
-  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 3
-  call void @finch_str_copy(ptr %t8, ptr %t9)
-  %t10 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 7
-  %t11 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 7
-  call void @finch_str_copy(ptr %t10, ptr %t11)
-  %t12 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 8
-  %t13 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 8
-  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_FnRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.FnRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9709
-n.cond9709:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9710, label %n.end9711
-n.body9710:
-  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_FnRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9709
-n.end9711:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_StructRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.StructRec, ptr %src
-  store %S.lsp.StructRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
-  %t10 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 6
-  %t11 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 6
-  call void @finch.copy.arr_str(ptr %t10, ptr %t11)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_StructRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.StructRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9712
-n.cond9712:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9713, label %n.end9714
-n.body9713:
-  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_StructRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9712
-n.end9714:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_EnumRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.EnumRec, ptr %src
-  store %S.lsp.EnumRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_EnumRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.EnumRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9715
-n.cond9715:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9716, label %n.end9717
-n.body9716:
-  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_EnumRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9715
-n.end9717:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_Diag(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.Diag, ptr %src
-  store %S.lsp.Diag %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 1
-  %t3 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 4
-  %t5 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 4
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_Analysis(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.Analysis, ptr %src
-  store %S.lsp.Analysis %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 0
-  call void @finch.copy.arr_S_lsp_Ref(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_S_lsp_VarRec(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 2
-  call void @finch.copy.arr_S_lsp_FnRec(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 3
-  %t9 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 3
-  call void @finch.copy.arr_S_lsp_StructRec(ptr %t8, ptr %t9)
-  %t10 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 4
-  %t11 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 4
-  call void @finch.copy.arr_S_lsp_EnumRec(ptr %t10, ptr %t11)
-  %t12 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 5
-  %t13 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
-  %t14 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 6
-  %t15 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 6
-  call void @finch.copy.S_lsp_Diag(ptr %t14, ptr %t15)
+  %t1 = getelementptr inbounds %S.lsp.Diag, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Diag, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t2)
   ret void
 }
 
@@ -86423,47 +103343,46 @@ entry:
   %a506 = alloca { ptr, i64, i64 }, align 16
   %a521 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca %S.lsp.Analysis, align 16
-  %a539 = alloca %S.lsp.Analysis, align 16
+  %a536 = alloca %S.lsp.Diag, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.lsp.Analysis zeroinitializer, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6571, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.6793, i64 1, i64 0 }, ptr %a6
   call void @finch_str_split(ptr %a7, ptr %a4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
   store i64 0, ptr %a10
-  br label %each.cond9556
-each.cond9556:
+  br label %each.cond10067
+each.cond10067:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = load i64, ptr %a10
   %t14 = icmp slt i64 %t13, %t12
-  br i1 %t14, label %each.body9557, label %each.end9559
-each.body9557:
+  br i1 %t14, label %each.body10068, label %each.end10070
+each.body10068:
   %t15 = load ptr, ptr %a9
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 %t13
   %t17 = load { ptr, i64, i64 }, ptr %t16
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.6573, i64 1, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.6795, i64 1, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_starts(ptr %a20, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br i1 %t24, label %then9560, label %else9561
-then9560:
+  br i1 %t24, label %then10071, label %else10072
+then10071:
   %t25 = load { ptr, i64, i64 }, ptr %a18
   %t26 = call { ptr, i64, i64 } @finch.lsp.splitTabs({ ptr, i64, i64 } %t25)
   store { ptr, i64, i64 } %t26, ptr %a27
   %t28 = load { ptr, i64, i64 }, ptr %a27
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 0, %t29
-  br i1 %t30, label %range9563, label %inrange9564
-range9563:
-  call void @finch_panic_index(ptr @.str.6574, i64 301, i64 0, i64 %t29)
+  br i1 %t30, label %range10074, label %inrange10075
+range10074:
+  call void @finch_panic_index(ptr @.str.6796, i64 301, i64 0, i64 %t29)
   unreachable
-inrange9564:
+inrange10075:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i64 0
   %t33 = load { ptr, i64, i64 }, ptr %t32
@@ -86473,33 +103392,33 @@ inrange9564:
   store { ptr, i64, i64 } %t36, ptr %a37
   %t38 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.6575, i64 2, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.6797, i64 2, i64 0 }, ptr %a40
   %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
   %t42 = icmp ne i32 %t41, 0
-  br label %logic.from9565
-logic.from9565:
-  br i1 %t42, label %logic.rhs9566, label %logic.end9567
-logic.rhs9566:
+  br label %logic.from10076
+logic.from10076:
+  br i1 %t42, label %logic.rhs10077, label %logic.end10078
+logic.rhs10077:
   %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t44 = load i64, ptr %t43
   %t45 = icmp sge i64 %t44, 9
-  br label %logic.rend9568
-logic.rend9568:
-  br label %logic.end9567
-logic.end9567:
-  %t46 = phi i1 [ false, %logic.from9565 ], [ %t45, %logic.rend9568 ]
-  br i1 %t46, label %then9569, label %else9570
-then9569:
+  br label %logic.rend10079
+logic.rend10079:
+  br label %logic.end10078
+logic.end10078:
+  %t46 = phi i1 [ false, %logic.from10076 ], [ %t45, %logic.rend10079 ]
+  br i1 %t46, label %then10080, label %else10081
+then10080:
   %t47 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 0
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i32 0, i32 1
   %t49 = load { ptr, i64, i64 }, ptr %a27
   %t50 = extractvalue { ptr, i64, i64 } %t49, 1
   %t51 = icmp uge i64 1, %t50
-  br i1 %t51, label %range9572, label %inrange9573
-range9572:
-  call void @finch_panic_index(ptr @.str.6576, i64 303, i64 1, i64 %t50)
+  br i1 %t51, label %range10083, label %inrange10084
+range10083:
+  call void @finch_panic_index(ptr @.str.6798, i64 303, i64 1, i64 %t50)
   unreachable
-inrange9573:
+inrange10084:
   %t52 = extractvalue { ptr, i64, i64 } %t49, 0
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i64 1
   %t54 = load { ptr, i64, i64 }, ptr %t53
@@ -86510,11 +103429,11 @@ inrange9573:
   %t59 = load { ptr, i64, i64 }, ptr %a27
   %t60 = extractvalue { ptr, i64, i64 } %t59, 1
   %t61 = icmp uge i64 2, %t60
-  br i1 %t61, label %range9574, label %inrange9575
-range9574:
-  call void @finch_panic_index(ptr @.str.6577, i64 303, i64 2, i64 %t60)
+  br i1 %t61, label %range10085, label %inrange10086
+range10085:
+  call void @finch_panic_index(ptr @.str.6799, i64 303, i64 2, i64 %t60)
   unreachable
-inrange9575:
+inrange10086:
   %t62 = extractvalue { ptr, i64, i64 } %t59, 0
   %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t62, i64 2
   %t64 = load { ptr, i64, i64 }, ptr %t63
@@ -86523,11 +103442,11 @@ inrange9575:
   %t67 = load { ptr, i64, i64 }, ptr %a27
   %t68 = extractvalue { ptr, i64, i64 } %t67, 1
   %t69 = icmp uge i64 3, %t68
-  br i1 %t69, label %range9576, label %inrange9577
-range9576:
-  call void @finch_panic_index(ptr @.str.6578, i64 303, i64 3, i64 %t68)
+  br i1 %t69, label %range10087, label %inrange10088
+range10087:
+  call void @finch_panic_index(ptr @.str.6800, i64 303, i64 3, i64 %t68)
   unreachable
-inrange9577:
+inrange10088:
   %t70 = extractvalue { ptr, i64, i64 } %t67, 0
   %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 3
   %t72 = load { ptr, i64, i64 }, ptr %t71
@@ -86536,11 +103455,11 @@ inrange9577:
   %t75 = load { ptr, i64, i64 }, ptr %a27
   %t76 = extractvalue { ptr, i64, i64 } %t75, 1
   %t77 = icmp uge i64 4, %t76
-  br i1 %t77, label %range9578, label %inrange9579
-range9578:
-  call void @finch_panic_index(ptr @.str.6579, i64 303, i64 4, i64 %t76)
+  br i1 %t77, label %range10089, label %inrange10090
+range10089:
+  call void @finch_panic_index(ptr @.str.6801, i64 303, i64 4, i64 %t76)
   unreachable
-inrange9579:
+inrange10090:
   %t78 = extractvalue { ptr, i64, i64 } %t75, 0
   %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i64 4
   %t80 = load { ptr, i64, i64 }, ptr %t79
@@ -86549,11 +103468,11 @@ inrange9579:
   %t83 = load { ptr, i64, i64 }, ptr %a27
   %t84 = extractvalue { ptr, i64, i64 } %t83, 1
   %t85 = icmp uge i64 5, %t84
-  br i1 %t85, label %range9580, label %inrange9581
-range9580:
-  call void @finch_panic_index(ptr @.str.6580, i64 303, i64 5, i64 %t84)
+  br i1 %t85, label %range10091, label %inrange10092
+range10091:
+  call void @finch_panic_index(ptr @.str.6802, i64 303, i64 5, i64 %t84)
   unreachable
-inrange9581:
+inrange10092:
   %t86 = extractvalue { ptr, i64, i64 } %t83, 0
   %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i64 5
   %t88 = load { ptr, i64, i64 }, ptr %t87
@@ -86564,11 +103483,11 @@ inrange9581:
   %t93 = load { ptr, i64, i64 }, ptr %a27
   %t94 = extractvalue { ptr, i64, i64 } %t93, 1
   %t95 = icmp uge i64 6, %t94
-  br i1 %t95, label %range9582, label %inrange9583
-range9582:
-  call void @finch_panic_index(ptr @.str.6581, i64 303, i64 6, i64 %t94)
+  br i1 %t95, label %range10093, label %inrange10094
+range10093:
+  call void @finch_panic_index(ptr @.str.6803, i64 303, i64 6, i64 %t94)
   unreachable
-inrange9583:
+inrange10094:
   %t96 = extractvalue { ptr, i64, i64 } %t93, 0
   %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i64 6
   %t98 = load { ptr, i64, i64 }, ptr %t97
@@ -86577,11 +103496,11 @@ inrange9583:
   %t101 = load { ptr, i64, i64 }, ptr %a27
   %t102 = extractvalue { ptr, i64, i64 } %t101, 1
   %t103 = icmp uge i64 7, %t102
-  br i1 %t103, label %range9584, label %inrange9585
-range9584:
-  call void @finch_panic_index(ptr @.str.6582, i64 303, i64 7, i64 %t102)
+  br i1 %t103, label %range10095, label %inrange10096
+range10095:
+  call void @finch_panic_index(ptr @.str.6804, i64 303, i64 7, i64 %t102)
   unreachable
-inrange9585:
+inrange10096:
   %t104 = extractvalue { ptr, i64, i64 } %t101, 0
   %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 7
   %t106 = load { ptr, i64, i64 }, ptr %t105
@@ -86590,11 +103509,11 @@ inrange9585:
   %t109 = load { ptr, i64, i64 }, ptr %a27
   %t110 = extractvalue { ptr, i64, i64 } %t109, 1
   %t111 = icmp uge i64 8, %t110
-  br i1 %t111, label %range9586, label %inrange9587
-range9586:
-  call void @finch_panic_index(ptr @.str.6583, i64 303, i64 8, i64 %t110)
+  br i1 %t111, label %range10097, label %inrange10098
+range10097:
+  call void @finch_panic_index(ptr @.str.6805, i64 303, i64 8, i64 %t110)
   unreachable
-inrange9587:
+inrange10098:
   %t112 = extractvalue { ptr, i64, i64 } %t109, 0
   %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 8
   %t114 = load { ptr, i64, i64 }, ptr %t113
@@ -86607,37 +103526,37 @@ inrange9587:
   %t120 = getelementptr inbounds %S.lsp.Ref, ptr %t119, i64 %t117
   store %S.lsp.Ref %t116, ptr %t120
   store i64 %t118, ptr %t48
-  br label %endif9571
-else9570:
+  br label %endif10082
+else10081:
   %t121 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t121, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.6584, i64 2, i64 0 }, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.6806, i64 2, i64 0 }, ptr %a123
   %t124 = call i32 @finch_str_eq(ptr %a122, ptr %a123)
   %t125 = icmp ne i32 %t124, 0
-  br label %logic.from9588
-logic.from9588:
-  br i1 %t125, label %logic.rhs9589, label %logic.end9590
-logic.rhs9589:
+  br label %logic.from10099
+logic.from10099:
+  br i1 %t125, label %logic.rhs10100, label %logic.end10101
+logic.rhs10100:
   %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t127 = load i64, ptr %t126
   %t128 = icmp sge i64 %t127, 9
-  br label %logic.rend9591
-logic.rend9591:
-  br label %logic.end9590
-logic.end9590:
-  %t129 = phi i1 [ false, %logic.from9588 ], [ %t128, %logic.rend9591 ]
-  br i1 %t129, label %then9592, label %else9593
-then9592:
+  br label %logic.rend10102
+logic.rend10102:
+  br label %logic.end10101
+logic.end10101:
+  %t129 = phi i1 [ false, %logic.from10099 ], [ %t128, %logic.rend10102 ]
+  br i1 %t129, label %then10103, label %else10104
+then10103:
   %t130 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 1
   %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
   %t132 = load { ptr, i64, i64 }, ptr %a27
   %t133 = extractvalue { ptr, i64, i64 } %t132, 1
   %t134 = icmp uge i64 1, %t133
-  br i1 %t134, label %range9595, label %inrange9596
-range9595:
-  call void @finch_panic_index(ptr @.str.6585, i64 305, i64 1, i64 %t133)
+  br i1 %t134, label %range10106, label %inrange10107
+range10106:
+  call void @finch_panic_index(ptr @.str.6807, i64 305, i64 1, i64 %t133)
   unreachable
-inrange9596:
+inrange10107:
   %t135 = extractvalue { ptr, i64, i64 } %t132, 0
   %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i64 1
   %t137 = load { ptr, i64, i64 }, ptr %t136
@@ -86648,11 +103567,11 @@ inrange9596:
   %t142 = load { ptr, i64, i64 }, ptr %a27
   %t143 = extractvalue { ptr, i64, i64 } %t142, 1
   %t144 = icmp uge i64 2, %t143
-  br i1 %t144, label %range9597, label %inrange9598
-range9597:
-  call void @finch_panic_index(ptr @.str.6586, i64 305, i64 2, i64 %t143)
+  br i1 %t144, label %range10108, label %inrange10109
+range10108:
+  call void @finch_panic_index(ptr @.str.6808, i64 305, i64 2, i64 %t143)
   unreachable
-inrange9598:
+inrange10109:
   %t145 = extractvalue { ptr, i64, i64 } %t142, 0
   %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i64 2
   %t147 = load { ptr, i64, i64 }, ptr %t146
@@ -86663,11 +103582,11 @@ inrange9598:
   %t152 = load { ptr, i64, i64 }, ptr %a27
   %t153 = extractvalue { ptr, i64, i64 } %t152, 1
   %t154 = icmp uge i64 3, %t153
-  br i1 %t154, label %range9599, label %inrange9600
-range9599:
-  call void @finch_panic_index(ptr @.str.6587, i64 305, i64 3, i64 %t153)
+  br i1 %t154, label %range10110, label %inrange10111
+range10110:
+  call void @finch_panic_index(ptr @.str.6809, i64 305, i64 3, i64 %t153)
   unreachable
-inrange9600:
+inrange10111:
   %t155 = extractvalue { ptr, i64, i64 } %t152, 0
   %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %t155, i64 3
   %t157 = load { ptr, i64, i64 }, ptr %t156
@@ -86678,11 +103597,11 @@ inrange9600:
   %t162 = load { ptr, i64, i64 }, ptr %a27
   %t163 = extractvalue { ptr, i64, i64 } %t162, 1
   %t164 = icmp uge i64 4, %t163
-  br i1 %t164, label %range9601, label %inrange9602
-range9601:
-  call void @finch_panic_index(ptr @.str.6588, i64 305, i64 4, i64 %t163)
+  br i1 %t164, label %range10112, label %inrange10113
+range10112:
+  call void @finch_panic_index(ptr @.str.6810, i64 305, i64 4, i64 %t163)
   unreachable
-inrange9602:
+inrange10113:
   %t165 = extractvalue { ptr, i64, i64 } %t162, 0
   %t166 = getelementptr inbounds { ptr, i64, i64 }, ptr %t165, i64 4
   %t167 = load { ptr, i64, i64 }, ptr %t166
@@ -86691,11 +103610,11 @@ inrange9602:
   %t170 = load { ptr, i64, i64 }, ptr %a27
   %t171 = extractvalue { ptr, i64, i64 } %t170, 1
   %t172 = icmp uge i64 5, %t171
-  br i1 %t172, label %range9603, label %inrange9604
-range9603:
-  call void @finch_panic_index(ptr @.str.6589, i64 305, i64 5, i64 %t171)
+  br i1 %t172, label %range10114, label %inrange10115
+range10114:
+  call void @finch_panic_index(ptr @.str.6811, i64 305, i64 5, i64 %t171)
   unreachable
-inrange9604:
+inrange10115:
   %t173 = extractvalue { ptr, i64, i64 } %t170, 0
   %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i64 5
   %t175 = load { ptr, i64, i64 }, ptr %t174
@@ -86704,11 +103623,11 @@ inrange9604:
   %t178 = load { ptr, i64, i64 }, ptr %a27
   %t179 = extractvalue { ptr, i64, i64 } %t178, 1
   %t180 = icmp uge i64 6, %t179
-  br i1 %t180, label %range9605, label %inrange9606
-range9605:
-  call void @finch_panic_index(ptr @.str.6590, i64 305, i64 6, i64 %t179)
+  br i1 %t180, label %range10116, label %inrange10117
+range10116:
+  call void @finch_panic_index(ptr @.str.6812, i64 305, i64 6, i64 %t179)
   unreachable
-inrange9606:
+inrange10117:
   %t181 = extractvalue { ptr, i64, i64 } %t178, 0
   %t182 = getelementptr inbounds { ptr, i64, i64 }, ptr %t181, i64 6
   %t183 = load { ptr, i64, i64 }, ptr %t182
@@ -86719,11 +103638,11 @@ inrange9606:
   %t188 = load { ptr, i64, i64 }, ptr %a27
   %t189 = extractvalue { ptr, i64, i64 } %t188, 1
   %t190 = icmp uge i64 7, %t189
-  br i1 %t190, label %range9607, label %inrange9608
-range9607:
-  call void @finch_panic_index(ptr @.str.6591, i64 305, i64 7, i64 %t189)
+  br i1 %t190, label %range10118, label %inrange10119
+range10118:
+  call void @finch_panic_index(ptr @.str.6813, i64 305, i64 7, i64 %t189)
   unreachable
-inrange9608:
+inrange10119:
   %t191 = extractvalue { ptr, i64, i64 } %t188, 0
   %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %t191, i64 7
   %t193 = load { ptr, i64, i64 }, ptr %t192
@@ -86732,11 +103651,11 @@ inrange9608:
   %t196 = load { ptr, i64, i64 }, ptr %a27
   %t197 = extractvalue { ptr, i64, i64 } %t196, 1
   %t198 = icmp uge i64 8, %t197
-  br i1 %t198, label %range9609, label %inrange9610
-range9609:
-  call void @finch_panic_index(ptr @.str.6592, i64 305, i64 8, i64 %t197)
+  br i1 %t198, label %range10120, label %inrange10121
+range10120:
+  call void @finch_panic_index(ptr @.str.6814, i64 305, i64 8, i64 %t197)
   unreachable
-inrange9610:
+inrange10121:
   %t199 = extractvalue { ptr, i64, i64 } %t196, 0
   %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i64 8
   %t201 = load { ptr, i64, i64 }, ptr %t200
@@ -86749,37 +103668,37 @@ inrange9610:
   %t207 = getelementptr inbounds %S.lsp.VarRec, ptr %t206, i64 %t204
   store %S.lsp.VarRec %t203, ptr %t207
   store i64 %t205, ptr %t131
-  br label %endif9594
-else9593:
+  br label %endif10105
+else10104:
   %t208 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t208, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.6593, i64 2, i64 0 }, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.6815, i64 2, i64 0 }, ptr %a210
   %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
   %t212 = icmp ne i32 %t211, 0
-  br label %logic.from9611
-logic.from9611:
-  br i1 %t212, label %logic.rhs9612, label %logic.end9613
-logic.rhs9612:
+  br label %logic.from10122
+logic.from10122:
+  br i1 %t212, label %logic.rhs10123, label %logic.end10124
+logic.rhs10123:
   %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t214 = load i64, ptr %t213
   %t215 = icmp sge i64 %t214, 10
-  br label %logic.rend9614
-logic.rend9614:
-  br label %logic.end9613
-logic.end9613:
-  %t216 = phi i1 [ false, %logic.from9611 ], [ %t215, %logic.rend9614 ]
-  br i1 %t216, label %then9615, label %else9616
-then9615:
+  br label %logic.rend10125
+logic.rend10125:
+  br label %logic.end10124
+logic.end10124:
+  %t216 = phi i1 [ false, %logic.from10122 ], [ %t215, %logic.rend10125 ]
+  br i1 %t216, label %then10126, label %else10127
+then10126:
   %t217 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 2
   %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %t217, i32 0, i32 1
   %t219 = load { ptr, i64, i64 }, ptr %a27
   %t220 = extractvalue { ptr, i64, i64 } %t219, 1
   %t221 = icmp uge i64 1, %t220
-  br i1 %t221, label %range9618, label %inrange9619
-range9618:
-  call void @finch_panic_index(ptr @.str.6594, i64 307, i64 1, i64 %t220)
+  br i1 %t221, label %range10129, label %inrange10130
+range10129:
+  call void @finch_panic_index(ptr @.str.6816, i64 307, i64 1, i64 %t220)
   unreachable
-inrange9619:
+inrange10130:
   %t222 = extractvalue { ptr, i64, i64 } %t219, 0
   %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i64 1
   %t224 = load { ptr, i64, i64 }, ptr %t223
@@ -86790,11 +103709,11 @@ inrange9619:
   %t229 = load { ptr, i64, i64 }, ptr %a27
   %t230 = extractvalue { ptr, i64, i64 } %t229, 1
   %t231 = icmp uge i64 2, %t230
-  br i1 %t231, label %range9620, label %inrange9621
-range9620:
-  call void @finch_panic_index(ptr @.str.6595, i64 307, i64 2, i64 %t230)
+  br i1 %t231, label %range10131, label %inrange10132
+range10131:
+  call void @finch_panic_index(ptr @.str.6817, i64 307, i64 2, i64 %t230)
   unreachable
-inrange9621:
+inrange10132:
   %t232 = extractvalue { ptr, i64, i64 } %t229, 0
   %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %t232, i64 2
   %t234 = load { ptr, i64, i64 }, ptr %t233
@@ -86805,11 +103724,11 @@ inrange9621:
   %t239 = load { ptr, i64, i64 }, ptr %a27
   %t240 = extractvalue { ptr, i64, i64 } %t239, 1
   %t241 = icmp uge i64 3, %t240
-  br i1 %t241, label %range9622, label %inrange9623
-range9622:
-  call void @finch_panic_index(ptr @.str.6596, i64 307, i64 3, i64 %t240)
+  br i1 %t241, label %range10133, label %inrange10134
+range10133:
+  call void @finch_panic_index(ptr @.str.6818, i64 307, i64 3, i64 %t240)
   unreachable
-inrange9623:
+inrange10134:
   %t242 = extractvalue { ptr, i64, i64 } %t239, 0
   %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i64 3
   %t244 = load { ptr, i64, i64 }, ptr %t243
@@ -86820,11 +103739,11 @@ inrange9623:
   %t249 = load { ptr, i64, i64 }, ptr %a27
   %t250 = extractvalue { ptr, i64, i64 } %t249, 1
   %t251 = icmp uge i64 4, %t250
-  br i1 %t251, label %range9624, label %inrange9625
-range9624:
-  call void @finch_panic_index(ptr @.str.6597, i64 307, i64 4, i64 %t250)
+  br i1 %t251, label %range10135, label %inrange10136
+range10135:
+  call void @finch_panic_index(ptr @.str.6819, i64 307, i64 4, i64 %t250)
   unreachable
-inrange9625:
+inrange10136:
   %t252 = extractvalue { ptr, i64, i64 } %t249, 0
   %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t252, i64 4
   %t254 = load { ptr, i64, i64 }, ptr %t253
@@ -86835,11 +103754,11 @@ inrange9625:
   %t259 = load { ptr, i64, i64 }, ptr %a27
   %t260 = extractvalue { ptr, i64, i64 } %t259, 1
   %t261 = icmp uge i64 5, %t260
-  br i1 %t261, label %range9626, label %inrange9627
-range9626:
-  call void @finch_panic_index(ptr @.str.6598, i64 307, i64 5, i64 %t260)
+  br i1 %t261, label %range10137, label %inrange10138
+range10137:
+  call void @finch_panic_index(ptr @.str.6820, i64 307, i64 5, i64 %t260)
   unreachable
-inrange9627:
+inrange10138:
   %t262 = extractvalue { ptr, i64, i64 } %t259, 0
   %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 5
   %t264 = load { ptr, i64, i64 }, ptr %t263
@@ -86848,11 +103767,11 @@ inrange9627:
   %t267 = load { ptr, i64, i64 }, ptr %a27
   %t268 = extractvalue { ptr, i64, i64 } %t267, 1
   %t269 = icmp uge i64 6, %t268
-  br i1 %t269, label %range9628, label %inrange9629
-range9628:
-  call void @finch_panic_index(ptr @.str.6599, i64 307, i64 6, i64 %t268)
+  br i1 %t269, label %range10139, label %inrange10140
+range10139:
+  call void @finch_panic_index(ptr @.str.6821, i64 307, i64 6, i64 %t268)
   unreachable
-inrange9629:
+inrange10140:
   %t270 = extractvalue { ptr, i64, i64 } %t267, 0
   %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t270, i64 6
   %t272 = load { ptr, i64, i64 }, ptr %t271
@@ -86861,11 +103780,11 @@ inrange9629:
   %t275 = load { ptr, i64, i64 }, ptr %a27
   %t276 = extractvalue { ptr, i64, i64 } %t275, 1
   %t277 = icmp uge i64 7, %t276
-  br i1 %t277, label %range9630, label %inrange9631
-range9630:
-  call void @finch_panic_index(ptr @.str.6600, i64 307, i64 7, i64 %t276)
+  br i1 %t277, label %range10141, label %inrange10142
+range10141:
+  call void @finch_panic_index(ptr @.str.6822, i64 307, i64 7, i64 %t276)
   unreachable
-inrange9631:
+inrange10142:
   %t278 = extractvalue { ptr, i64, i64 } %t275, 0
   %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t278, i64 7
   %t280 = load { ptr, i64, i64 }, ptr %t279
@@ -86874,11 +103793,11 @@ inrange9631:
   %t283 = load { ptr, i64, i64 }, ptr %a27
   %t284 = extractvalue { ptr, i64, i64 } %t283, 1
   %t285 = icmp uge i64 8, %t284
-  br i1 %t285, label %range9632, label %inrange9633
-range9632:
-  call void @finch_panic_index(ptr @.str.6601, i64 307, i64 8, i64 %t284)
+  br i1 %t285, label %range10143, label %inrange10144
+range10143:
+  call void @finch_panic_index(ptr @.str.6823, i64 307, i64 8, i64 %t284)
   unreachable
-inrange9633:
+inrange10144:
   %t286 = extractvalue { ptr, i64, i64 } %t283, 0
   %t287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t286, i64 8
   %t288 = load { ptr, i64, i64 }, ptr %t287
@@ -86887,16 +103806,16 @@ inrange9633:
   %t291 = load { ptr, i64, i64 }, ptr %a27
   %t292 = extractvalue { ptr, i64, i64 } %t291, 1
   %t293 = icmp uge i64 9, %t292
-  br i1 %t293, label %range9634, label %inrange9635
-range9634:
-  call void @finch_panic_index(ptr @.str.6602, i64 307, i64 9, i64 %t292)
+  br i1 %t293, label %range10145, label %inrange10146
+range10145:
+  call void @finch_panic_index(ptr @.str.6824, i64 307, i64 9, i64 %t292)
   unreachable
-inrange9635:
+inrange10146:
   %t294 = extractvalue { ptr, i64, i64 } %t291, 0
   %t295 = getelementptr inbounds { ptr, i64, i64 }, ptr %t294, i64 9
   %t296 = load { ptr, i64, i64 }, ptr %t295
   store { ptr, i64, i64 } %t296, ptr %a297
-  store { ptr, i64, i64 } { ptr @.str.6604, i64 1, i64 0 }, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.6826, i64 1, i64 0 }, ptr %a299
   call void @finch_str_split(ptr %a300, ptr %a297, ptr %a299)
   %t301 = load { ptr, i64, i64 }, ptr %a300
   %t302 = insertvalue %S.lsp.FnRec %t290, { ptr, i64, i64 } %t301, 8
@@ -86907,37 +103826,37 @@ inrange9635:
   %t306 = getelementptr inbounds %S.lsp.FnRec, ptr %t305, i64 %t303
   store %S.lsp.FnRec %t302, ptr %t306
   store i64 %t304, ptr %t218
-  br label %endif9617
-else9616:
+  br label %endif10128
+else10127:
   %t307 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t307, ptr %a308
-  store { ptr, i64, i64 } { ptr @.str.6605, i64 2, i64 0 }, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.6827, i64 2, i64 0 }, ptr %a309
   %t310 = call i32 @finch_str_eq(ptr %a308, ptr %a309)
   %t311 = icmp ne i32 %t310, 0
-  br label %logic.from9636
-logic.from9636:
-  br i1 %t311, label %logic.rhs9637, label %logic.end9638
-logic.rhs9637:
+  br label %logic.from10147
+logic.from10147:
+  br i1 %t311, label %logic.rhs10148, label %logic.end10149
+logic.rhs10148:
   %t312 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t313 = load i64, ptr %t312
   %t314 = icmp sge i64 %t313, 6
-  br label %logic.rend9639
-logic.rend9639:
-  br label %logic.end9638
-logic.end9638:
-  %t315 = phi i1 [ false, %logic.from9636 ], [ %t314, %logic.rend9639 ]
-  br i1 %t315, label %then9640, label %else9641
-then9640:
+  br label %logic.rend10150
+logic.rend10150:
+  br label %logic.end10149
+logic.end10149:
+  %t315 = phi i1 [ false, %logic.from10147 ], [ %t314, %logic.rend10150 ]
+  br i1 %t315, label %then10151, label %else10152
+then10151:
   %t316 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 3
   %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t316, i32 0, i32 1
   %t318 = load { ptr, i64, i64 }, ptr %a27
   %t319 = extractvalue { ptr, i64, i64 } %t318, 1
   %t320 = icmp uge i64 1, %t319
-  br i1 %t320, label %range9643, label %inrange9644
-range9643:
-  call void @finch_panic_index(ptr @.str.6606, i64 309, i64 1, i64 %t319)
+  br i1 %t320, label %range10154, label %inrange10155
+range10154:
+  call void @finch_panic_index(ptr @.str.6828, i64 309, i64 1, i64 %t319)
   unreachable
-inrange9644:
+inrange10155:
   %t321 = extractvalue { ptr, i64, i64 } %t318, 0
   %t322 = getelementptr inbounds { ptr, i64, i64 }, ptr %t321, i64 1
   %t323 = load { ptr, i64, i64 }, ptr %t322
@@ -86948,11 +103867,11 @@ inrange9644:
   %t328 = load { ptr, i64, i64 }, ptr %a27
   %t329 = extractvalue { ptr, i64, i64 } %t328, 1
   %t330 = icmp uge i64 2, %t329
-  br i1 %t330, label %range9645, label %inrange9646
-range9645:
-  call void @finch_panic_index(ptr @.str.6607, i64 309, i64 2, i64 %t329)
+  br i1 %t330, label %range10156, label %inrange10157
+range10156:
+  call void @finch_panic_index(ptr @.str.6829, i64 309, i64 2, i64 %t329)
   unreachable
-inrange9646:
+inrange10157:
   %t331 = extractvalue { ptr, i64, i64 } %t328, 0
   %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i64 2
   %t333 = load { ptr, i64, i64 }, ptr %t332
@@ -86963,11 +103882,11 @@ inrange9646:
   %t338 = load { ptr, i64, i64 }, ptr %a27
   %t339 = extractvalue { ptr, i64, i64 } %t338, 1
   %t340 = icmp uge i64 3, %t339
-  br i1 %t340, label %range9647, label %inrange9648
-range9647:
-  call void @finch_panic_index(ptr @.str.6608, i64 309, i64 3, i64 %t339)
+  br i1 %t340, label %range10158, label %inrange10159
+range10158:
+  call void @finch_panic_index(ptr @.str.6830, i64 309, i64 3, i64 %t339)
   unreachable
-inrange9648:
+inrange10159:
   %t341 = extractvalue { ptr, i64, i64 } %t338, 0
   %t342 = getelementptr inbounds { ptr, i64, i64 }, ptr %t341, i64 3
   %t343 = load { ptr, i64, i64 }, ptr %t342
@@ -86978,11 +103897,11 @@ inrange9648:
   %t348 = load { ptr, i64, i64 }, ptr %a27
   %t349 = extractvalue { ptr, i64, i64 } %t348, 1
   %t350 = icmp uge i64 4, %t349
-  br i1 %t350, label %range9649, label %inrange9650
-range9649:
-  call void @finch_panic_index(ptr @.str.6609, i64 309, i64 4, i64 %t349)
+  br i1 %t350, label %range10160, label %inrange10161
+range10160:
+  call void @finch_panic_index(ptr @.str.6831, i64 309, i64 4, i64 %t349)
   unreachable
-inrange9650:
+inrange10161:
   %t351 = extractvalue { ptr, i64, i64 } %t348, 0
   %t352 = getelementptr inbounds { ptr, i64, i64 }, ptr %t351, i64 4
   %t353 = load { ptr, i64, i64 }, ptr %t352
@@ -86991,11 +103910,11 @@ inrange9650:
   %t356 = load { ptr, i64, i64 }, ptr %a27
   %t357 = extractvalue { ptr, i64, i64 } %t356, 1
   %t358 = icmp uge i64 5, %t357
-  br i1 %t358, label %range9651, label %inrange9652
-range9651:
-  call void @finch_panic_index(ptr @.str.6610, i64 309, i64 5, i64 %t357)
+  br i1 %t358, label %range10162, label %inrange10163
+range10162:
+  call void @finch_panic_index(ptr @.str.6832, i64 309, i64 5, i64 %t357)
   unreachable
-inrange9652:
+inrange10163:
   %t359 = extractvalue { ptr, i64, i64 } %t356, 0
   %t360 = getelementptr inbounds { ptr, i64, i64 }, ptr %t359, i64 5
   %t361 = load { ptr, i64, i64 }, ptr %t360
@@ -87008,40 +103927,40 @@ inrange9652:
   %t367 = getelementptr inbounds %S.lsp.StructRec, ptr %t366, i64 %t364
   store %S.lsp.StructRec %t363, ptr %t367
   store i64 %t365, ptr %t317
-  br label %endif9642
-else9641:
+  br label %endif10153
+else10152:
   %t368 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t368, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.6611, i64 3, i64 0 }, ptr %a370
+  store { ptr, i64, i64 } { ptr @.str.6833, i64 3, i64 0 }, ptr %a370
   %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
   %t372 = icmp ne i32 %t371, 0
-  br label %logic.from9653
-logic.from9653:
-  br i1 %t372, label %logic.rhs9654, label %logic.end9655
-logic.rhs9654:
+  br label %logic.from10164
+logic.from10164:
+  br i1 %t372, label %logic.rhs10165, label %logic.end10166
+logic.rhs10165:
   %t373 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t374 = load i64, ptr %t373
   %t375 = icmp sge i64 %t374, 5
-  br label %logic.rend9656
-logic.rend9656:
-  br label %logic.end9655
-logic.end9655:
-  %t376 = phi i1 [ false, %logic.from9653 ], [ %t375, %logic.rend9656 ]
-  br label %logic.from9657
-logic.from9657:
-  br i1 %t376, label %logic.rhs9658, label %logic.end9659
-logic.rhs9658:
+  br label %logic.rend10167
+logic.rend10167:
+  br label %logic.end10166
+logic.end10166:
+  %t376 = phi i1 [ false, %logic.from10164 ], [ %t375, %logic.rend10167 ]
+  br label %logic.from10168
+logic.from10168:
+  br i1 %t376, label %logic.rhs10169, label %logic.end10170
+logic.rhs10169:
   %t377 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 3
   %t378 = getelementptr inbounds { ptr, i64, i64 }, ptr %t377, i32 0, i32 1
   %t379 = load i64, ptr %t378
   %t380 = icmp sgt i64 %t379, 0
-  br label %logic.rend9660
-logic.rend9660:
-  br label %logic.end9659
-logic.end9659:
-  %t381 = phi i1 [ false, %logic.from9657 ], [ %t380, %logic.rend9660 ]
-  br i1 %t381, label %then9661, label %else9662
-then9661:
+  br label %logic.rend10171
+logic.rend10171:
+  br label %logic.end10170
+logic.end10170:
+  %t381 = phi i1 [ false, %logic.from10168 ], [ %t380, %logic.rend10171 ]
+  br i1 %t381, label %then10172, label %else10173
+then10172:
   %t382 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 3
   %t383 = getelementptr inbounds { ptr, i64, i64 }, ptr %t382, i32 0, i32 1
   %t384 = load i64, ptr %t383
@@ -87052,11 +103971,11 @@ then9661:
   %t389 = load { ptr, i64, i64 }, ptr %t387
   %t390 = extractvalue { ptr, i64, i64 } %t389, 1
   %t391 = icmp uge i64 %t388, %t390
-  br i1 %t391, label %range9664, label %inrange9665
-range9664:
-  call void @finch_panic_index(ptr @.str.6612, i64 312, i64 %t388, i64 %t390)
+  br i1 %t391, label %range10175, label %inrange10176
+range10175:
+  call void @finch_panic_index(ptr @.str.6834, i64 312, i64 %t388, i64 %t390)
   unreachable
-inrange9665:
+inrange10176:
   %t392 = extractvalue { ptr, i64, i64 } %t389, 0
   %t393 = getelementptr inbounds %S.lsp.StructRec, ptr %t392, i64 %t388
   %t394 = getelementptr inbounds %S.lsp.StructRec, ptr %t393, i32 0, i32 5
@@ -87064,11 +103983,11 @@ inrange9665:
   %t396 = load { ptr, i64, i64 }, ptr %a27
   %t397 = extractvalue { ptr, i64, i64 } %t396, 1
   %t398 = icmp uge i64 3, %t397
-  br i1 %t398, label %range9666, label %inrange9667
-range9666:
-  call void @finch_panic_index(ptr @.str.6613, i64 312, i64 3, i64 %t397)
+  br i1 %t398, label %range10177, label %inrange10178
+range10177:
+  call void @finch_panic_index(ptr @.str.6835, i64 312, i64 3, i64 %t397)
   unreachable
-inrange9667:
+inrange10178:
   %t399 = extractvalue { ptr, i64, i64 } %t396, 0
   %t400 = getelementptr inbounds { ptr, i64, i64 }, ptr %t399, i64 3
   %t401 = load { ptr, i64, i64 }, ptr %t400
@@ -87087,11 +104006,11 @@ inrange9667:
   %t411 = load { ptr, i64, i64 }, ptr %t409
   %t412 = extractvalue { ptr, i64, i64 } %t411, 1
   %t413 = icmp uge i64 %t410, %t412
-  br i1 %t413, label %range9668, label %inrange9669
-range9668:
-  call void @finch_panic_index(ptr @.str.6614, i64 313, i64 %t410, i64 %t412)
+  br i1 %t413, label %range10179, label %inrange10180
+range10179:
+  call void @finch_panic_index(ptr @.str.6836, i64 313, i64 %t410, i64 %t412)
   unreachable
-inrange9669:
+inrange10180:
   %t414 = extractvalue { ptr, i64, i64 } %t411, 0
   %t415 = getelementptr inbounds %S.lsp.StructRec, ptr %t414, i64 %t410
   %t416 = getelementptr inbounds %S.lsp.StructRec, ptr %t415, i32 0, i32 6
@@ -87099,11 +104018,11 @@ inrange9669:
   %t418 = load { ptr, i64, i64 }, ptr %a27
   %t419 = extractvalue { ptr, i64, i64 } %t418, 1
   %t420 = icmp uge i64 4, %t419
-  br i1 %t420, label %range9670, label %inrange9671
-range9670:
-  call void @finch_panic_index(ptr @.str.6615, i64 313, i64 4, i64 %t419)
+  br i1 %t420, label %range10181, label %inrange10182
+range10181:
+  call void @finch_panic_index(ptr @.str.6837, i64 313, i64 4, i64 %t419)
   unreachable
-inrange9671:
+inrange10182:
   %t421 = extractvalue { ptr, i64, i64 } %t418, 0
   %t422 = getelementptr inbounds { ptr, i64, i64 }, ptr %t421, i64 4
   %t423 = load { ptr, i64, i64 }, ptr %t422
@@ -87117,37 +104036,37 @@ inrange9671:
   %t430 = getelementptr inbounds { ptr, i64, i64 }, ptr %t429, i64 %t427
   store { ptr, i64, i64 } %t426, ptr %t430
   store i64 %t428, ptr %t417
-  br label %endif9663
-else9662:
+  br label %endif10174
+else10173:
   %t431 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t431, ptr %a432
-  store { ptr, i64, i64 } { ptr @.str.6616, i64 2, i64 0 }, ptr %a433
+  store { ptr, i64, i64 } { ptr @.str.6838, i64 2, i64 0 }, ptr %a433
   %t434 = call i32 @finch_str_eq(ptr %a432, ptr %a433)
   %t435 = icmp ne i32 %t434, 0
-  br label %logic.from9672
-logic.from9672:
-  br i1 %t435, label %logic.rhs9673, label %logic.end9674
-logic.rhs9673:
+  br label %logic.from10183
+logic.from10183:
+  br i1 %t435, label %logic.rhs10184, label %logic.end10185
+logic.rhs10184:
   %t436 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t437 = load i64, ptr %t436
   %t438 = icmp sge i64 %t437, 7
-  br label %logic.rend9675
-logic.rend9675:
-  br label %logic.end9674
-logic.end9674:
-  %t439 = phi i1 [ false, %logic.from9672 ], [ %t438, %logic.rend9675 ]
-  br i1 %t439, label %then9676, label %else9677
-then9676:
+  br label %logic.rend10186
+logic.rend10186:
+  br label %logic.end10185
+logic.end10185:
+  %t439 = phi i1 [ false, %logic.from10183 ], [ %t438, %logic.rend10186 ]
+  br i1 %t439, label %then10187, label %else10188
+then10187:
   %t440 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 4
   %t441 = getelementptr inbounds { ptr, i64, i64 }, ptr %t440, i32 0, i32 1
   %t442 = load { ptr, i64, i64 }, ptr %a27
   %t443 = extractvalue { ptr, i64, i64 } %t442, 1
   %t444 = icmp uge i64 1, %t443
-  br i1 %t444, label %range9679, label %inrange9680
-range9679:
-  call void @finch_panic_index(ptr @.str.6617, i64 315, i64 1, i64 %t443)
+  br i1 %t444, label %range10190, label %inrange10191
+range10190:
+  call void @finch_panic_index(ptr @.str.6839, i64 315, i64 1, i64 %t443)
   unreachable
-inrange9680:
+inrange10191:
   %t445 = extractvalue { ptr, i64, i64 } %t442, 0
   %t446 = getelementptr inbounds { ptr, i64, i64 }, ptr %t445, i64 1
   %t447 = load { ptr, i64, i64 }, ptr %t446
@@ -87158,11 +104077,11 @@ inrange9680:
   %t452 = load { ptr, i64, i64 }, ptr %a27
   %t453 = extractvalue { ptr, i64, i64 } %t452, 1
   %t454 = icmp uge i64 2, %t453
-  br i1 %t454, label %range9681, label %inrange9682
-range9681:
-  call void @finch_panic_index(ptr @.str.6618, i64 315, i64 2, i64 %t453)
+  br i1 %t454, label %range10192, label %inrange10193
+range10192:
+  call void @finch_panic_index(ptr @.str.6840, i64 315, i64 2, i64 %t453)
   unreachable
-inrange9682:
+inrange10193:
   %t455 = extractvalue { ptr, i64, i64 } %t452, 0
   %t456 = getelementptr inbounds { ptr, i64, i64 }, ptr %t455, i64 2
   %t457 = load { ptr, i64, i64 }, ptr %t456
@@ -87173,11 +104092,11 @@ inrange9682:
   %t462 = load { ptr, i64, i64 }, ptr %a27
   %t463 = extractvalue { ptr, i64, i64 } %t462, 1
   %t464 = icmp uge i64 3, %t463
-  br i1 %t464, label %range9683, label %inrange9684
-range9683:
-  call void @finch_panic_index(ptr @.str.6619, i64 315, i64 3, i64 %t463)
+  br i1 %t464, label %range10194, label %inrange10195
+range10194:
+  call void @finch_panic_index(ptr @.str.6841, i64 315, i64 3, i64 %t463)
   unreachable
-inrange9684:
+inrange10195:
   %t465 = extractvalue { ptr, i64, i64 } %t462, 0
   %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t465, i64 3
   %t467 = load { ptr, i64, i64 }, ptr %t466
@@ -87188,11 +104107,11 @@ inrange9684:
   %t472 = load { ptr, i64, i64 }, ptr %a27
   %t473 = extractvalue { ptr, i64, i64 } %t472, 1
   %t474 = icmp uge i64 4, %t473
-  br i1 %t474, label %range9685, label %inrange9686
-range9685:
-  call void @finch_panic_index(ptr @.str.6620, i64 315, i64 4, i64 %t473)
+  br i1 %t474, label %range10196, label %inrange10197
+range10196:
+  call void @finch_panic_index(ptr @.str.6842, i64 315, i64 4, i64 %t473)
   unreachable
-inrange9686:
+inrange10197:
   %t475 = extractvalue { ptr, i64, i64 } %t472, 0
   %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 4
   %t477 = load { ptr, i64, i64 }, ptr %t476
@@ -87201,11 +104120,11 @@ inrange9686:
   %t480 = load { ptr, i64, i64 }, ptr %a27
   %t481 = extractvalue { ptr, i64, i64 } %t480, 1
   %t482 = icmp uge i64 5, %t481
-  br i1 %t482, label %range9687, label %inrange9688
-range9687:
-  call void @finch_panic_index(ptr @.str.6621, i64 315, i64 5, i64 %t481)
+  br i1 %t482, label %range10198, label %inrange10199
+range10198:
+  call void @finch_panic_index(ptr @.str.6843, i64 315, i64 5, i64 %t481)
   unreachable
-inrange9688:
+inrange10199:
   %t483 = extractvalue { ptr, i64, i64 } %t480, 0
   %t484 = getelementptr inbounds { ptr, i64, i64 }, ptr %t483, i64 5
   %t485 = load { ptr, i64, i64 }, ptr %t484
@@ -87214,16 +104133,16 @@ inrange9688:
   %t488 = load { ptr, i64, i64 }, ptr %a27
   %t489 = extractvalue { ptr, i64, i64 } %t488, 1
   %t490 = icmp uge i64 6, %t489
-  br i1 %t490, label %range9689, label %inrange9690
-range9689:
-  call void @finch_panic_index(ptr @.str.6622, i64 315, i64 6, i64 %t489)
+  br i1 %t490, label %range10200, label %inrange10201
+range10200:
+  call void @finch_panic_index(ptr @.str.6844, i64 315, i64 6, i64 %t489)
   unreachable
-inrange9690:
+inrange10201:
   %t491 = extractvalue { ptr, i64, i64 } %t488, 0
   %t492 = getelementptr inbounds { ptr, i64, i64 }, ptr %t491, i64 6
   %t493 = load { ptr, i64, i64 }, ptr %t492
   store { ptr, i64, i64 } %t493, ptr %a494
-  store { ptr, i64, i64 } { ptr @.str.6624, i64 1, i64 0 }, ptr %a496
+  store { ptr, i64, i64 } { ptr @.str.6846, i64 1, i64 0 }, ptr %a496
   call void @finch_str_split(ptr %a497, ptr %a494, ptr %a496)
   %t498 = load { ptr, i64, i64 }, ptr %a497
   %t499 = insertvalue %S.lsp.EnumRec %t487, { ptr, i64, i64 } %t498, 5
@@ -87234,37 +104153,37 @@ inrange9690:
   %t503 = getelementptr inbounds %S.lsp.EnumRec, ptr %t502, i64 %t500
   store %S.lsp.EnumRec %t499, ptr %t503
   store i64 %t501, ptr %t441
-  br label %endif9678
-else9677:
+  br label %endif10189
+else10188:
   %t504 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t504, ptr %a505
-  store { ptr, i64, i64 } { ptr @.str.6625, i64 2, i64 0 }, ptr %a506
+  store { ptr, i64, i64 } { ptr @.str.6847, i64 2, i64 0 }, ptr %a506
   %t507 = call i32 @finch_str_eq(ptr %a505, ptr %a506)
   %t508 = icmp ne i32 %t507, 0
-  br label %logic.from9691
-logic.from9691:
-  br i1 %t508, label %logic.rhs9692, label %logic.end9693
-logic.rhs9692:
+  br label %logic.from10202
+logic.from10202:
+  br i1 %t508, label %logic.rhs10203, label %logic.end10204
+logic.rhs10203:
   %t509 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t510 = load i64, ptr %t509
   %t511 = icmp sge i64 %t510, 2
-  br label %logic.rend9694
-logic.rend9694:
-  br label %logic.end9693
-logic.end9693:
-  %t512 = phi i1 [ false, %logic.from9691 ], [ %t511, %logic.rend9694 ]
-  br i1 %t512, label %then9695, label %endif9697
-then9695:
+  br label %logic.rend10205
+logic.rend10205:
+  br label %logic.end10204
+logic.end10204:
+  %t512 = phi i1 [ false, %logic.from10202 ], [ %t511, %logic.rend10205 ]
+  br i1 %t512, label %then10206, label %endif10208
+then10206:
   %t513 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 5
   %t514 = getelementptr inbounds { ptr, i64, i64 }, ptr %t513, i32 0, i32 1
   %t515 = load { ptr, i64, i64 }, ptr %a27
   %t516 = extractvalue { ptr, i64, i64 } %t515, 1
   %t517 = icmp uge i64 1, %t516
-  br i1 %t517, label %range9698, label %inrange9699
-range9698:
-  call void @finch_panic_index(ptr @.str.6626, i64 317, i64 1, i64 %t516)
+  br i1 %t517, label %range10209, label %inrange10210
+range10209:
+  call void @finch_panic_index(ptr @.str.6848, i64 317, i64 1, i64 %t516)
   unreachable
-inrange9699:
+inrange10210:
   %t518 = extractvalue { ptr, i64, i64 } %t515, 0
   %t519 = getelementptr inbounds { ptr, i64, i64 }, ptr %t518, i64 1
   %t520 = load { ptr, i64, i64 }, ptr %t519
@@ -87278,139 +104197,635 @@ inrange9699:
   %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t526, i64 %t524
   store { ptr, i64, i64 } %t523, ptr %t527
   store i64 %t525, ptr %t514
-  br label %endif9697
-endif9697:
-  br label %endif9678
-endif9678:
-  br label %endif9663
-endif9663:
-  br label %endif9642
-endif9642:
-  br label %endif9617
-endif9617:
-  br label %endif9594
-endif9594:
-  br label %endif9571
-endif9571:
-  br label %endif9562
-else9561:
+  br label %endif10208
+endif10208:
+  br label %endif10189
+endif10189:
+  br label %endif10174
+endif10174:
+  br label %endif10153
+endif10153:
+  br label %endif10128
+endif10128:
+  br label %endif10105
+endif10105:
+  br label %endif10082
+endif10082:
+  call void @finch_str_drop(ptr %a37)
+  call void @finch.drop.arr_str(ptr %a27)
+  br label %endif10073
+else10072:
   %t528 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t529 = getelementptr inbounds %S.lsp.Diag, ptr %t528, i32 0, i32 0
   %t530 = load i1, ptr %t529
   %t531 = xor i1 %t530, true
-  br i1 %t531, label %then9700, label %endif9702
-then9700:
+  br i1 %t531, label %then10211, label %endif10213
+then10211:
   %t532 = load { ptr, i64, i64 }, ptr %a18
   %t533 = call %S.lsp.Diag @finch.lsp.parseDiag({ ptr, i64, i64 } %t532)
   %t534 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
+  %t535 = load %S.lsp.Diag, ptr %t534
   store %S.lsp.Diag %t533, ptr %t534
-  br label %endif9702
-endif9702:
-  br label %endif9562
-endif9562:
-  br label %each.step9558
-each.step9558:
-  %t535 = load i64, ptr %a10
-  %t536 = add i64 %t535, 1
-  store i64 %t536, ptr %a10
-  br label %each.cond9556
-each.end9559:
-  %t537 = load %S.lsp.Analysis, ptr %a2
-  store %S.lsp.Analysis %t537, ptr %a538
-  call void @finch.copy.S_lsp_Analysis(ptr %a539, ptr %a538)
-  %t540 = load %S.lsp.Analysis, ptr %a539
-  ret %S.lsp.Analysis %t540
+  store %S.lsp.Diag %t535, ptr %a536
+  call void @finch.drop.S_lsp_Diag(ptr %a536)
+  br label %endif10213
+endif10213:
+  br label %endif10073
+endif10073:
+  br label %each.step10069
+each.step10069:
+  %t537 = load i64, ptr %a10
+  %t538 = add i64 %t537, 1
+  store i64 %t538, ptr %a10
+  br label %each.cond10067
+each.end10070:
+  call void @finch.drop.arr_str(ptr %a9)
+  %t539 = load %S.lsp.Analysis, ptr %a2
+  ret %S.lsp.Analysis %t539
+}
+
+define internal void @finch.copy.S_lsp_Ref(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.Ref, ptr %src
+  store %S.lsp.Ref %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 4
+  %t5 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 4
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 7
+  %t7 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 7
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_Ref(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.Ref, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10234
+n.cond10234:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10235, label %n.end10236
+n.body10235:
+  %t8 = getelementptr inbounds %S.lsp.Ref, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.Ref, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_Ref(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10234
+n.end10236:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_VarRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.VarRec, ptr %src
+  store %S.lsp.VarRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 5
+  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 5
+  call void @finch_str_copy(ptr %t8, ptr %t9)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_VarRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.VarRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10237
+n.cond10237:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10238, label %n.end10239
+n.body10238:
+  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_VarRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10237
+n.end10239:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_FnRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.FnRec, ptr %src
+  store %S.lsp.FnRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 3
+  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 3
+  call void @finch_str_copy(ptr %t8, ptr %t9)
+  %t10 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 7
+  %t11 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 7
+  call void @finch_str_copy(ptr %t10, ptr %t11)
+  %t12 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 8
+  %t13 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 8
+  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_FnRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.FnRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10240
+n.cond10240:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10241, label %n.end10242
+n.body10241:
+  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_FnRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10240
+n.end10242:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_StructRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.StructRec, ptr %src
+  store %S.lsp.StructRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 5
+  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
+  %t10 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 6
+  %t11 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 6
+  call void @finch.copy.arr_str(ptr %t10, ptr %t11)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_StructRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.StructRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10243
+n.cond10243:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10244, label %n.end10245
+n.body10244:
+  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_StructRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10243
+n.end10245:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_EnumRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.EnumRec, ptr %src
+  store %S.lsp.EnumRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 5
+  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_EnumRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.EnumRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10246
+n.cond10246:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10247, label %n.end10248
+n.body10247:
+  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_EnumRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10246
+n.end10248:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_Diag(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.Diag, ptr %src
+  store %S.lsp.Diag %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 1
+  %t3 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 4
+  %t5 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 4
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_Analysis(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.Analysis, ptr %src
+  store %S.lsp.Analysis %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 0
+  call void @finch.copy.arr_S_lsp_Ref(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 1
+  call void @finch.copy.arr_S_lsp_VarRec(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 2
+  call void @finch.copy.arr_S_lsp_FnRec(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 3
+  %t9 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 3
+  call void @finch.copy.arr_S_lsp_StructRec(ptr %t8, ptr %t9)
+  %t10 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 4
+  %t11 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 4
+  call void @finch.copy.arr_S_lsp_EnumRec(ptr %t10, ptr %t11)
+  %t12 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 5
+  %t13 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
+  %t14 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 6
+  %t15 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 6
+  call void @finch.copy.S_lsp_Diag(ptr %t14, ptr %t15)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_Ref(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Ref, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Ref, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.Ref, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t3)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_Ref(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10249
+n.cond10249:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10250, label %n.end10251
+n.body10250:
+  %t7 = getelementptr inbounds %S.lsp.Ref, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_Ref(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10249
+n.end10251:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_VarRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 5
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_VarRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10252
+n.cond10252:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10253, label %n.end10254
+n.body10253:
+  %t7 = getelementptr inbounds %S.lsp.VarRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_VarRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10252
+n.end10254:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_FnRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 8
+  call void @finch.drop.arr_str(ptr %t6)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_FnRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10255
+n.cond10255:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10256, label %n.end10257
+n.body10256:
+  %t7 = getelementptr inbounds %S.lsp.FnRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_FnRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10255
+n.end10257:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_StructRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_StructRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10258
+n.cond10258:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10259, label %n.end10260
+n.body10259:
+  %t7 = getelementptr inbounds %S.lsp.StructRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_StructRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10258
+n.end10260:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_EnumRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_EnumRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10261
+n.cond10261:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10262, label %n.end10263
+n.body10262:
+  %t7 = getelementptr inbounds %S.lsp.EnumRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_EnumRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10261
+n.end10263:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_Analysis(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_lsp_Ref(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_lsp_VarRec(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_S_lsp_FnRec(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_S_lsp_StructRec(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_S_lsp_EnumRec(ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 6
+  call void @finch.drop.S_lsp_Diag(ptr %t7)
+  ret void
 }
 
 define internal void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
-  %a5 = alloca { ptr, i64, i64 }, align 16
-  %a6 = alloca { ptr, i64, i64 }, align 16
-  %a8 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca i64, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca i64, align 16
-  %a25 = alloca i64, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca i64, align 16
+  %a5 = alloca i64, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca i64, align 16
+  %a14 = alloca i64, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca i64, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca %S.lsp.Analysis, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca i32, align 16
-  %a190 = alloca %S.lsp.Analysis, align 16
-  %a191 = alloca %S.lsp.Analysis, align 16
+  %a169 = alloca %S.lsp.Analysis, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca i32, align 16
+  %a188 = alloca %S.lsp.Analysis, align 16
+  %a189 = alloca %S.lsp.Analysis, align 16
+  %a192 = alloca %S.lsp.Analysis, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
@@ -87420,280 +104835,309 @@ entry:
   %a213 = alloca %S.lsp.Analysis, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca i32, align 16
-  %a262 = alloca %S.lsp.Analysis, align 16
-  %a263 = alloca %S.lsp.Analysis, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca i32, align 16
+  %a272 = alloca %S.lsp.Analysis, align 16
+  %a273 = alloca %S.lsp.Analysis, align 16
+  %a276 = alloca %S.lsp.Analysis, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
   %t3 = load { ptr, i64, i64 }, ptr %t2
-  store { ptr, i64, i64 } { ptr @.str.6627, i64 10, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } %t3, ptr %a6
-  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
-  %t7 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.6628, i64 1, i64 0 }, ptr %a10
-  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t11, ptr %a13
-  call void @finch_str_copy(ptr %a12, ptr %a13)
-  %t14 = call i64 @finch_shell(ptr %a12)
-  store { ptr, i64, i64 } { ptr @.str.6629, i64 0, i64 0 }, ptr %a15
-  store i64 0, ptr %a16
-  %t17 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %a18
-  %t19 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t17, i32 0, i32 1
-  %t20 = load i64, ptr %t19
-  call void @finch_arr_make(ptr %a18, i64 %t20, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t21 = load ptr, ptr %a18
-  store i64 0, ptr %a22
-  %t23 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t17, i32 0, i32 2
-  %t24 = load i64, ptr %t23
-  store i64 0, ptr %a25
-  br label %n.cond9718
-n.cond9718:
-  %t26 = load i64, ptr %a25
-  %t27 = icmp slt i64 %t26, %t24
-  br i1 %t27, label %n.body9719, label %n.end9720
-n.body9719:
-  %t28 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t17, i32 0, i32 0
-  %t29 = load ptr, ptr %t28
-  %t30 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t29, i64 %t26
-  %t31 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t30, i32 0, i32 0
-  %t32 = load i64, ptr %t31
-  %t33 = icmp ne i64 %t32, 0
-  br i1 %t33, label %entry.live9721, label %entry.next9722
-entry.live9721:
-  %t34 = load i64, ptr %a22
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i64 %t34
-  %t36 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t30, i32 0, i32 1
-  call void @finch_str_copy(ptr %t35, ptr %t36)
-  %t37 = add i64 %t34, 1
-  store i64 %t37, ptr %a22
-  br label %entry.next9722
-entry.next9722:
-  %t38 = load i64, ptr %a25
-  %t39 = add i64 %t38, 1
-  store i64 %t39, ptr %a25
-  br label %n.cond9718
-n.end9720:
-  %t40 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t40, ptr %a41
-  store i64 0, ptr %a42
-  br label %each.cond9723
-each.cond9723:
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %a41, i32 0, i32 1
-  %t44 = load i64, ptr %t43
-  %t45 = load i64, ptr %a42
-  %t46 = icmp slt i64 %t45, %t44
-  br i1 %t46, label %each.body9724, label %each.end9726
-each.body9724:
-  %t47 = load ptr, ptr %a41
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t45
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  store { ptr, i64, i64 } %t49, ptr %a50
-  %t51 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.6630, i64 4, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load i64, ptr %a16
-  call void @finch_str_from_int(ptr %a58, i64 %t57)
-  %t59 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t56, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.6631, i64 4, i64 0 }, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a68
-  %t69 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t69, ptr %a70
-  %t71 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t72 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t72, ptr %a73
-  %t74 = call i64 @finch_map_find(ptr %t71, ptr %a73, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t75 = icmp slt i64 %t74, 0
-  br i1 %t75, label %map.missing9727, label %map.found9728
-map.missing9727:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a76
-  store { ptr, i64, i64 } %t72, ptr %a77
-  call void @finch_buf_str(ptr %a76, ptr %a77, i32 1)
-  call void @finch_map_missing(ptr @.str.6632, i64 333, ptr %a76)
+  call void @finch.host.makeDirs({ ptr, i64, i64 } %t3)
+  store { ptr, i64, i64 } { ptr @.str.6849, i64 0, i64 0 }, ptr %a4
+  store i64 0, ptr %a5
+  %t6 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %a7
+  %t8 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 1
+  %t9 = load i64, ptr %t8
+  call void @finch_arr_make(ptr %a7, i64 %t9, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t10 = load ptr, ptr %a7
+  store i64 0, ptr %a11
+  %t12 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 2
+  %t13 = load i64, ptr %t12
+  store i64 0, ptr %a14
+  br label %n.cond10214
+n.cond10214:
+  %t15 = load i64, ptr %a14
+  %t16 = icmp slt i64 %t15, %t13
+  br i1 %t16, label %n.body10215, label %n.end10216
+n.body10215:
+  %t17 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 0
+  %t18 = load ptr, ptr %t17
+  %t19 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t18, i64 %t15
+  %t20 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t19, i32 0, i32 0
+  %t21 = load i64, ptr %t20
+  %t22 = icmp ne i64 %t21, 0
+  br i1 %t22, label %entry.live10217, label %entry.next10218
+entry.live10217:
+  %t23 = load i64, ptr %a11
+  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t23
+  %t25 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t19, i32 0, i32 1
+  call void @finch_str_copy(ptr %t24, ptr %t25)
+  %t26 = add i64 %t23, 1
+  store i64 %t26, ptr %a11
+  br label %entry.next10218
+entry.next10218:
+  %t27 = load i64, ptr %a14
+  %t28 = add i64 %t27, 1
+  store i64 %t28, ptr %a14
+  br label %n.cond10214
+n.end10216:
+  %t29 = load { ptr, i64, i64 }, ptr %a7
+  store { ptr, i64, i64 } %t29, ptr %a30
+  store i64 0, ptr %a31
+  br label %each.cond10219
+each.cond10219:
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = load i64, ptr %a31
+  %t35 = icmp slt i64 %t34, %t33
+  br i1 %t35, label %each.body10220, label %each.end10222
+each.body10220:
+  %t36 = load ptr, ptr %a30
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i64 %t34
+  %t38 = load { ptr, i64, i64 }, ptr %t37
+  store { ptr, i64, i64 } %t38, ptr %a39
+  %t40 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.6850, i64 4, i64 0 }, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  %t46 = load i64, ptr %a5
+  call void @finch_str_from_int(ptr %a47, i64 %t46)
+  %t48 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t45, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.6851, i64 4, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t59, ptr %a60
+  %t61 = load { ptr, i64, i64 }, ptr %a60
+  %t62 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t63 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t63, ptr %a64
+  %t65 = call i64 @finch_map_find(ptr %t62, ptr %a64, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t66 = icmp slt i64 %t65, 0
+  br i1 %t66, label %map.missing10223, label %map.found10224
+map.missing10223:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a67
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_buf_str(ptr %a67, ptr %a68, i32 1)
+  call void @finch_map_missing(ptr @.str.6852, i64 333, ptr %a67)
   unreachable
-map.found9728:
-  %t78 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t71, i32 0, i32 0
-  %t79 = load ptr, ptr %t78
-  %t80 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t79, i64 %t74
-  %t81 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t80, i32 0, i32 2
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  store { ptr, i64, i64 } %t82, ptr %a83
-  %t84 = call i32 @finch_write_file(ptr %a70, ptr %a83)
-  %t85 = icmp ne i32 %t84, 0
-  %t86 = load { ptr, i64, i64 }, ptr %a15
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.6633, i64 12, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t90, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.6634, i64 1, i64 0 }, ptr %a98
+map.found10224:
+  %t69 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t62, i32 0, i32 0
+  %t70 = load ptr, ptr %t69
+  %t71 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t70, i64 %t65
+  %t72 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t71, i32 0, i32 2
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  store { ptr, i64, i64 } %t61, ptr %a74
+  store { ptr, i64, i64 } %t73, ptr %a75
+  %t76 = call i32 @finch_write_file(ptr %a74, ptr %a75)
+  %t77 = icmp ne i32 %t76, 0
+  %t78 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t78, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.6853, i64 11, i64 0 }, ptr %a81
+  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a79
+  %t83 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.6854, i64 1, i64 0 }, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a84
+  %t88 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t87, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t87, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  %t94 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t93)
+  store { ptr, i64, i64 } %t93, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t82, ptr %a97
+  store { ptr, i64, i64 } %t94, ptr %a98
   call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t99, ptr %a102
-  store { ptr, i64, i64 } %t100, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t104, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.6635, i64 1, i64 0 }, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a15
-  %t109 = load i64, ptr %a16
-  %t110 = add i64 %t109, 1
-  store i64 %t110, ptr %a16
-  br label %each.step9725
-each.step9725:
-  %t111 = load i64, ptr %a42
-  %t112 = add i64 %t111, 1
-  store i64 %t112, ptr %a42
-  br label %each.cond9723
-each.end9726:
-  %t113 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  store { ptr, i64, i64 } %t114, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.6636, i64 8, i64 0 }, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 0
-  %t121 = load { ptr, i64, i64 }, ptr %t120
-  store { ptr, i64, i64 } { ptr @.str.6637, i64 1, i64 0 }, ptr %a123
-  store { ptr, i64, i64 } %t121, ptr %a124
-  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
-  %t125 = load { ptr, i64, i64 }, ptr %a122
-  store { ptr, i64, i64 } %t125, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.6638, i64 9, i64 0 }, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t129, ptr %a132
+  store { ptr, i64, i64 } %t82, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  store { ptr, i64, i64 } %t94, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a96
+  %t102 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t101, ptr %a4
+  store { ptr, i64, i64 } %t102, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load i64, ptr %a5
+  %t105 = add i64 %t104, 1
+  store i64 %t105, ptr %a5
+  call void @finch_str_drop(ptr %a60)
+  br label %each.step10221
+each.step10221:
+  %t106 = load i64, ptr %a31
+  %t107 = add i64 %t106, 1
+  store i64 %t107, ptr %a31
+  br label %each.cond10219
+each.end10222:
+  call void @finch.drop.arr_str(ptr %a30)
+  %t108 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
+  %t109 = load { ptr, i64, i64 }, ptr %t108
+  store { ptr, i64, i64 } %t109, ptr %a111
+  store { ptr, i64, i64 } { ptr @.str.6855, i64 8, i64 0 }, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  %t113 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t113, ptr %a114
+  %t115 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 0
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  %t117 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t117, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.6856, i64 7, i64 0 }, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  %t123 = load { ptr, i64, i64 }, ptr %a1
+  %t124 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t123)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  store { ptr, i64, i64 } %t124, ptr %a127
+  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
+  store { ptr, i64, i64 } %t122, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  store { ptr, i64, i64 } %t124, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a125
+  %t131 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t130, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } %t134, ptr %a136
-  store { ptr, i64, i64 } { ptr @.str.6639, i64 1, i64 0 }, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  %t139 = load { ptr, i64, i64 }, ptr %a15
-  store { ptr, i64, i64 } %t138, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  store { ptr, i64, i64 } %t143, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.6640, i64 4, i64 0 }, ptr %a146
+  store { ptr, i64, i64 } %t131, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.6857, i64 3, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = load { ptr, i64, i64 }, ptr %a114
+  %t143 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t142)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  store { ptr, i64, i64 } %t143, ptr %a146
   call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t147, ptr %a150
-  store { ptr, i64, i64 } %t148, ptr %a151
-  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
-  %t152 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t152, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.6641, i64 6, i64 0 }, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t156, ptr %a158
-  call void @finch_str_copy(ptr %a157, ptr %a158)
-  %t159 = call i64 @finch_shell(ptr %a157)
-  %t160 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t160, ptr %a161
-  store { ptr, i64, i64 } zeroinitializer, ptr %a162
-  store { ptr, i64, i64 } zeroinitializer, ptr %a163
-  %t164 = call i32 @finch_try_read_file(ptr %a162, ptr %a161, ptr %a163)
-  %t165 = icmp eq i32 %t164, 0
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  %t167 = load { ptr, i64, i64 }, ptr %a162
-  br i1 %t165, label %or.failed9729, label %or.ok9730
-or.failed9729:
+  store { ptr, i64, i64 } %t141, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  store { ptr, i64, i64 } %t143, ptr %a148
+  call void @finch_str_drop(ptr %a148)
+  %t149 = load { ptr, i64, i64 }, ptr %a144
+  store { ptr, i64, i64 } %t149, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.6858, i64 5, i64 0 }, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  store { ptr, i64, i64 } %t149, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  %t155 = call i64 @finch.host.run({ ptr, i64, i64 } %t154)
+  store { ptr, i64, i64 } %t154, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a114
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } zeroinitializer, ptr %a159
+  store { ptr, i64, i64 } zeroinitializer, ptr %a160
+  %t161 = call i32 @finch_try_read_file(ptr %a159, ptr %a158, ptr %a160)
+  %t162 = icmp eq i32 %t161, 0
+  %t163 = load { ptr, i64, i64 }, ptr %a160
+  %t164 = load { ptr, i64, i64 }, ptr %a159
+  br i1 %t162, label %or.failed10225, label %or.ok10226
+or.failed10225:
+  store { ptr, i64, i64 } %t163, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  br label %or.bend10227
+or.bend10227:
+  br label %or.end10228
+or.ok10226:
+  br label %or.end10228
+or.end10228:
+  %t166 = phi { ptr, i64, i64 } [ { ptr @.str.6859, i64 0, i64 0 }, %or.bend10227 ], [ %t164, %or.ok10226 ]
+  %t167 = call %S.lsp.Analysis @finch.lsp.parseOutput({ ptr, i64, i64 } %t166)
   store { ptr, i64, i64 } %t166, ptr %a168
-  br label %or.bend9731
-or.bend9731:
-  br label %or.end9732
-or.ok9730:
-  br label %or.end9732
-or.end9732:
-  %t169 = phi { ptr, i64, i64 } [ { ptr @.str.6642, i64 0, i64 0 }, %or.bend9731 ], [ %t167, %or.ok9730 ]
-  %t170 = call %S.lsp.Analysis @finch.lsp.parseOutput({ ptr, i64, i64 } %t169)
-  store %S.lsp.Analysis %t170, ptr %a171
-  %t172 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 6
-  %t173 = getelementptr inbounds %S.lsp.Diag, ptr %t172, i32 0, i32 0
-  %t174 = load i1, ptr %t173
-  %t175 = xor i1 %t174, true
-  br i1 %t175, label %then9733, label %else9734
-then9733:
-  %t176 = load %S.lsp.Analysis, ptr %a171
-  %t177 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
-  %t178 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t178, ptr %a179
-  store i32 0, ptr %a180
-  %t181 = call i64 @finch_map_slot(ptr %t177, ptr %a179, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a180)
-  %t182 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t177, i32 0, i32 0
-  %t183 = load ptr, ptr %t182
-  %t184 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t183, i64 %t181
-  %t185 = load i32, ptr %a180
-  %t186 = icmp ne i32 %t185, 0
-  br i1 %t186, label %map.new9736, label %map.have9737
-map.new9736:
-  %t187 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t184, i32 0, i32 1
-  call void @finch_str_copy(ptr %t187, ptr %a179)
-  %t188 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t184, i32 0, i32 2
-  store %S.lsp.Analysis zeroinitializer, ptr %t188
-  br label %map.have9737
-map.have9737:
-  %t189 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t184, i32 0, i32 2
-  store %S.lsp.Analysis %t176, ptr %a190
-  call void @finch.copy.S_lsp_Analysis(ptr %a191, ptr %a190)
-  %t192 = load %S.lsp.Analysis, ptr %a191
-  store %S.lsp.Analysis %t192, ptr %t189
-  br label %endif9735
-else9734:
+  call void @finch_str_drop(ptr %a168)
+  store %S.lsp.Analysis %t167, ptr %a169
+  %t170 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 6
+  %t171 = getelementptr inbounds %S.lsp.Diag, ptr %t170, i32 0, i32 0
+  %t172 = load i1, ptr %t171
+  %t173 = xor i1 %t172, true
+  br i1 %t173, label %then10229, label %else10230
+then10229:
+  %t174 = load %S.lsp.Analysis, ptr %a169
+  %t175 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
+  %t176 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t176, ptr %a177
+  store i32 0, ptr %a178
+  %t179 = call i64 @finch_map_slot(ptr %t175, ptr %a177, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a178)
+  %t180 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t175, i32 0, i32 0
+  %t181 = load ptr, ptr %t180
+  %t182 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t181, i64 %t179
+  %t183 = load i32, ptr %a178
+  %t184 = icmp ne i32 %t183, 0
+  br i1 %t184, label %map.new10232, label %map.have10233
+map.new10232:
+  %t185 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t182, i32 0, i32 1
+  call void @finch_str_copy(ptr %t185, ptr %a177)
+  %t186 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t182, i32 0, i32 2
+  store %S.lsp.Analysis zeroinitializer, ptr %t186
+  br label %map.have10233
+map.have10233:
+  %t187 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t182, i32 0, i32 2
+  store %S.lsp.Analysis %t174, ptr %a188
+  call void @finch.copy.S_lsp_Analysis(ptr %a189, ptr %a188)
+  %t190 = load %S.lsp.Analysis, ptr %a189
+  %t191 = load %S.lsp.Analysis, ptr %t187
+  store %S.lsp.Analysis %t190, ptr %t187
+  store %S.lsp.Analysis %t191, ptr %a192
+  call void @finch.drop.S_lsp_Analysis(ptr %a192)
+  br label %endif10231
+else10230:
   %t193 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
   %t194 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t194, ptr %a195
   %t196 = call i64 @finch_map_find(ptr %t193, ptr %a195, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t197 = icmp sge i64 %t196, 0
-  br i1 %t197, label %then9738, label %endif9740
-then9738:
+  br i1 %t197, label %then10264, label %endif10266
+then10264:
   %t198 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
   %t199 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t199, ptr %a200
   %t201 = call i64 @finch_map_find(ptr %t198, ptr %a200, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t202 = icmp slt i64 %t201, 0
-  br i1 %t202, label %map.missing9741, label %map.found9742
-map.missing9741:
+  br i1 %t202, label %map.missing10267, label %map.found10268
+map.missing10267:
   store { ptr, i64, i64 } zeroinitializer, ptr %a203
   store { ptr, i64, i64 } %t199, ptr %a204
   call void @finch_buf_str(ptr %a203, ptr %a204, i32 1)
-  call void @finch_map_missing(ptr @.str.6643, i64 344, ptr %a203)
+  call void @finch_map_missing(ptr @.str.6860, i64 344, ptr %a203)
   unreachable
-map.found9742:
+map.found10268:
   %t205 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t198, i32 0, i32 0
   %t206 = load ptr, ptr %t205
   %t207 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t206, i64 %t201
@@ -87705,78 +105149,100 @@ map.found9742:
   store %S.lsp.Analysis %t212, ptr %a213
   %t214 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 2
   %t215 = load { ptr, i64, i64 }, ptr %t214
-  %t216 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 2
+  %t216 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 2
   store { ptr, i64, i64 } %t215, ptr %a217
   call void @finch.copy.arr_S_lsp_FnRec(ptr %a218, ptr %a217)
   %t219 = load { ptr, i64, i64 }, ptr %a218
+  %t220 = load { ptr, i64, i64 }, ptr %t216
   store { ptr, i64, i64 } %t219, ptr %t216
-  %t220 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 3
-  %t221 = load { ptr, i64, i64 }, ptr %t220
-  %t222 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 3
-  store { ptr, i64, i64 } %t221, ptr %a223
-  call void @finch.copy.arr_S_lsp_StructRec(ptr %a224, ptr %a223)
-  %t225 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t225, ptr %t222
-  %t226 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 4
-  %t227 = load { ptr, i64, i64 }, ptr %t226
-  %t228 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 4
-  store { ptr, i64, i64 } %t227, ptr %a229
-  call void @finch.copy.arr_S_lsp_EnumRec(ptr %a230, ptr %a229)
-  %t231 = load { ptr, i64, i64 }, ptr %a230
-  store { ptr, i64, i64 } %t231, ptr %t228
-  %t232 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 1
-  %t233 = load { ptr, i64, i64 }, ptr %t232
-  %t234 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 1
-  store { ptr, i64, i64 } %t233, ptr %a235
-  call void @finch.copy.arr_S_lsp_VarRec(ptr %a236, ptr %a235)
-  %t237 = load { ptr, i64, i64 }, ptr %a236
-  store { ptr, i64, i64 } %t237, ptr %t234
-  %t238 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 5
-  %t239 = getelementptr inbounds { ptr, i64, i64 }, ptr %t238, i32 0, i32 1
-  %t240 = load i64, ptr %t239
-  %t241 = icmp eq i64 %t240, 0
-  br i1 %t241, label %then9743, label %endif9745
-then9743:
-  %t242 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 5
-  %t243 = load { ptr, i64, i64 }, ptr %t242
-  %t244 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 5
-  store { ptr, i64, i64 } %t243, ptr %a245
-  call void @finch.copy.arr_str(ptr %a246, ptr %a245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  store { ptr, i64, i64 } %t247, ptr %t244
-  br label %endif9745
-endif9745:
-  br label %endif9740
-endif9740:
-  br label %endif9735
-endif9735:
-  %t248 = load %S.lsp.Analysis, ptr %a171
-  %t249 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t250 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t250, ptr %a251
-  store i32 0, ptr %a252
-  %t253 = call i64 @finch_map_slot(ptr %t249, ptr %a251, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a252)
-  %t254 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t249, i32 0, i32 0
-  %t255 = load ptr, ptr %t254
-  %t256 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t255, i64 %t253
-  %t257 = load i32, ptr %a252
-  %t258 = icmp ne i32 %t257, 0
-  br i1 %t258, label %map.new9746, label %map.have9747
-map.new9746:
-  %t259 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t256, i32 0, i32 1
-  call void @finch_str_copy(ptr %t259, ptr %a251)
-  %t260 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t256, i32 0, i32 2
-  store %S.lsp.Analysis zeroinitializer, ptr %t260
-  br label %map.have9747
-map.have9747:
-  %t261 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t256, i32 0, i32 2
-  store %S.lsp.Analysis %t248, ptr %a262
-  call void @finch.copy.S_lsp_Analysis(ptr %a263, ptr %a262)
-  %t264 = load %S.lsp.Analysis, ptr %a263
-  store %S.lsp.Analysis %t264, ptr %t261
-  %t265 = load { ptr, i64, i64 }, ptr %a1
-  %t266 = load %S.lsp.Analysis, ptr %a171
-  call void @finch.lsp.Server.publish(ptr %self, { ptr, i64, i64 } %t265, %S.lsp.Analysis %t266)
+  store { ptr, i64, i64 } %t220, ptr %a221
+  call void @finch.drop.arr_S_lsp_FnRec(ptr %a221)
+  %t222 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 3
+  %t223 = load { ptr, i64, i64 }, ptr %t222
+  %t224 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 3
+  store { ptr, i64, i64 } %t223, ptr %a225
+  call void @finch.copy.arr_S_lsp_StructRec(ptr %a226, ptr %a225)
+  %t227 = load { ptr, i64, i64 }, ptr %a226
+  %t228 = load { ptr, i64, i64 }, ptr %t224
+  store { ptr, i64, i64 } %t227, ptr %t224
+  store { ptr, i64, i64 } %t228, ptr %a229
+  call void @finch.drop.arr_S_lsp_StructRec(ptr %a229)
+  %t230 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 4
+  %t231 = load { ptr, i64, i64 }, ptr %t230
+  %t232 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 4
+  store { ptr, i64, i64 } %t231, ptr %a233
+  call void @finch.copy.arr_S_lsp_EnumRec(ptr %a234, ptr %a233)
+  %t235 = load { ptr, i64, i64 }, ptr %a234
+  %t236 = load { ptr, i64, i64 }, ptr %t232
+  store { ptr, i64, i64 } %t235, ptr %t232
+  store { ptr, i64, i64 } %t236, ptr %a237
+  call void @finch.drop.arr_S_lsp_EnumRec(ptr %a237)
+  %t238 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 1
+  %t239 = load { ptr, i64, i64 }, ptr %t238
+  %t240 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 1
+  store { ptr, i64, i64 } %t239, ptr %a241
+  call void @finch.copy.arr_S_lsp_VarRec(ptr %a242, ptr %a241)
+  %t243 = load { ptr, i64, i64 }, ptr %a242
+  %t244 = load { ptr, i64, i64 }, ptr %t240
+  store { ptr, i64, i64 } %t243, ptr %t240
+  store { ptr, i64, i64 } %t244, ptr %a245
+  call void @finch.drop.arr_S_lsp_VarRec(ptr %a245)
+  %t246 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 5
+  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i32 0, i32 1
+  %t248 = load i64, ptr %t247
+  %t249 = icmp eq i64 %t248, 0
+  br i1 %t249, label %then10269, label %endif10271
+then10269:
+  %t250 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 5
+  %t251 = load { ptr, i64, i64 }, ptr %t250
+  %t252 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 5
+  store { ptr, i64, i64 } %t251, ptr %a253
+  call void @finch.copy.arr_str(ptr %a254, ptr %a253)
+  %t255 = load { ptr, i64, i64 }, ptr %a254
+  %t256 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } %t255, ptr %t252
+  store { ptr, i64, i64 } %t256, ptr %a257
+  call void @finch.drop.arr_str(ptr %a257)
+  br label %endif10271
+endif10271:
+  call void @finch.drop.S_lsp_Analysis(ptr %a213)
+  br label %endif10266
+endif10266:
+  br label %endif10231
+endif10231:
+  %t258 = load %S.lsp.Analysis, ptr %a169
+  %t259 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t260 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t260, ptr %a261
+  store i32 0, ptr %a262
+  %t263 = call i64 @finch_map_slot(ptr %t259, ptr %a261, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a262)
+  %t264 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t259, i32 0, i32 0
+  %t265 = load ptr, ptr %t264
+  %t266 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t265, i64 %t263
+  %t267 = load i32, ptr %a262
+  %t268 = icmp ne i32 %t267, 0
+  br i1 %t268, label %map.new10272, label %map.have10273
+map.new10272:
+  %t269 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t266, i32 0, i32 1
+  call void @finch_str_copy(ptr %t269, ptr %a261)
+  %t270 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t266, i32 0, i32 2
+  store %S.lsp.Analysis zeroinitializer, ptr %t270
+  br label %map.have10273
+map.have10273:
+  %t271 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t266, i32 0, i32 2
+  store %S.lsp.Analysis %t258, ptr %a272
+  call void @finch.copy.S_lsp_Analysis(ptr %a273, ptr %a272)
+  %t274 = load %S.lsp.Analysis, ptr %a273
+  %t275 = load %S.lsp.Analysis, ptr %t271
+  store %S.lsp.Analysis %t274, ptr %t271
+  store %S.lsp.Analysis %t275, ptr %a276
+  call void @finch.drop.S_lsp_Analysis(ptr %a276)
+  %t277 = load { ptr, i64, i64 }, ptr %a1
+  %t278 = load %S.lsp.Analysis, ptr %a169
+  call void @finch.lsp.Server.publish(ptr %self, { ptr, i64, i64 } %t277, %S.lsp.Analysis %t278)
+  call void @finch.drop.S_lsp_Analysis(ptr %a169)
+  call void @finch_str_drop(ptr %a114)
+  call void @finch_str_drop(ptr %a4)
   ret void
 }
 
@@ -87804,11 +105270,18 @@ entry:
   %a81 = alloca i64, align 16
   %a88 = alloca i64, align 16
   %a92 = alloca %S.json.Json, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca %S.json.Json, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca %S.json.Json, align 16
+  %a100 = alloca %S.json.Json, align 16
+  %a102 = alloca %S.json.Json, align 16
+  %a107 = alloca %S.json.Json, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca %S.json.Json, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.json.Json, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.lsp.Analysis %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
@@ -87825,14 +105298,14 @@ entry:
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 5
   store i64 0, ptr %a15
-  br label %each.cond9748
-each.cond9748:
+  br label %each.cond10274
+each.cond10274:
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t17 = load i64, ptr %t16
   %t18 = load i64, ptr %a15
   %t19 = icmp slt i64 %t18, %t17
-  br i1 %t19, label %each.body9749, label %each.end9751
-each.body9749:
+  br i1 %t19, label %each.body10275, label %each.end10277
+each.body10275:
   %t20 = load ptr, ptr %t14
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i64 %t18
   %t22 = load { ptr, i64, i64 }, ptr %t21
@@ -87843,32 +105316,32 @@ each.body9749:
   %t27 = load i64, ptr %t24
   %t28 = load ptr, ptr %a13
   store i64 0, ptr %a29
-  br label %find.cond9752
-find.cond9752:
+  br label %find.cond10278
+find.cond10278:
   %t30 = load i64, ptr %a29
   %t31 = icmp slt i64 %t30, %t27
-  br i1 %t31, label %find.body9753, label %find.end9756
-find.body9753:
+  br i1 %t31, label %find.body10279, label %find.end10282
+find.body10279:
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t30
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
   store { ptr, i64, i64 } %t25, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %find.hit9754, label %find.next9755
-find.hit9754:
+  br i1 %t37, label %find.hit10280, label %find.next10281
+find.hit10280:
   store i64 %t30, ptr %a26
-  br label %find.end9756
-find.next9755:
+  br label %find.end10282
+find.next10281:
   %t38 = add i64 %t30, 1
   store i64 %t38, ptr %a29
-  br label %find.cond9752
-find.end9756:
+  br label %find.cond10278
+find.end10282:
   %t39 = load i64, ptr %a26
   %t40 = icmp sge i64 %t39, 0
   %t41 = xor i1 %t40, true
-  br i1 %t41, label %then9757, label %endif9759
-then9757:
+  br i1 %t41, label %then10283, label %endif10285
+then10283:
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %a13, i32 0, i32 1
   %t43 = load { ptr, i64, i64 }, ptr %a23
   store { ptr, i64, i64 } %t43, ptr %a44
@@ -87881,25 +105354,25 @@ then9757:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t47
   store { ptr, i64, i64 } %t46, ptr %t50
   store i64 %t48, ptr %t42
-  br label %endif9759
-endif9759:
-  br label %each.step9750
-each.step9750:
+  br label %endif10285
+endif10285:
+  br label %each.step10276
+each.step10276:
   %t51 = load i64, ptr %a15
   %t52 = add i64 %t51, 1
   store i64 %t52, ptr %a15
-  br label %each.cond9748
-each.end9751:
+  br label %each.cond10274
+each.end10277:
   store { ptr, i64, i64 } zeroinitializer, ptr %a53
   store i64 0, ptr %a54
-  br label %each.cond9760
-each.cond9760:
+  br label %each.cond10286
+each.cond10286:
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a13, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = load i64, ptr %a54
   %t58 = icmp slt i64 %t57, %t56
-  br i1 %t58, label %each.body9761, label %each.end9763
-each.body9761:
+  br i1 %t58, label %each.body10287, label %each.end10289
+each.body10287:
   %t59 = load ptr, ptr %a13
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i64 %t57
   %t61 = load { ptr, i64, i64 }, ptr %t60
@@ -87909,10 +105382,10 @@ each.body9761:
   %t65 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t66 = getelementptr inbounds %S.lsp.Diag, ptr %t65, i32 0, i32 0
   %t67 = load i1, ptr %t66
-  br label %logic.from9764
-logic.from9764:
-  br i1 %t67, label %logic.rhs9765, label %logic.end9766
-logic.rhs9765:
+  br label %logic.from10290
+logic.from10290:
+  br i1 %t67, label %logic.rhs10291, label %logic.end10292
+logic.rhs10291:
   %t68 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t69 = getelementptr inbounds %S.lsp.Diag, ptr %t68, i32 0, i32 1
   %t70 = load { ptr, i64, i64 }, ptr %t69
@@ -87921,13 +105394,13 @@ logic.rhs9765:
   store { ptr, i64, i64 } %t71, ptr %a73
   %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
   %t75 = icmp ne i32 %t74, 0
-  br label %logic.rend9767
-logic.rend9767:
-  br label %logic.end9766
-logic.end9766:
-  %t76 = phi i1 [ false, %logic.from9764 ], [ %t75, %logic.rend9767 ]
-  br i1 %t76, label %then9768, label %endif9770
-then9768:
+  br label %logic.rend10293
+logic.rend10293:
+  br label %logic.end10292
+logic.end10292:
+  %t76 = phi i1 [ false, %logic.from10290 ], [ %t75, %logic.rend10293 ]
+  br i1 %t76, label %then10294, label %endif10296
+then10294:
   %t77 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t78 = getelementptr inbounds %S.lsp.Diag, ptr %t77, i32 0, i32 2
   %t79 = load i64, ptr %t78
@@ -87935,11 +105408,11 @@ then9768:
   store i64 %t80, ptr %a81
   %t82 = load i64, ptr %a81
   %t83 = icmp slt i64 %t82, 0
-  br i1 %t83, label %then9771, label %endif9773
-then9771:
+  br i1 %t83, label %then10297, label %endif10299
+then10297:
   store i64 0, ptr %a81
-  br label %endif9773
-endif9773:
+  br label %endif10299
+endif10299:
   %t84 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t85 = getelementptr inbounds %S.lsp.Diag, ptr %t84, i32 0, i32 3
   %t86 = load i64, ptr %t85
@@ -87947,11 +105420,11 @@ endif9773:
   store i64 %t87, ptr %a88
   %t89 = load i64, ptr %a88
   %t90 = icmp slt i64 %t89, 0
-  br i1 %t90, label %then9774, label %endif9776
-then9774:
+  br i1 %t90, label %then10300, label %endif10302
+then10300:
   store i64 0, ptr %a88
-  br label %endif9776
-endif9776:
+  br label %endif10302
+endif10302:
   %t91 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t91, ptr %a92
   %t93 = load i64, ptr %a81
@@ -87959,55 +105432,75 @@ endif9776:
   %t95 = load i64, ptr %a88
   %t96 = add i64 %t95, 1
   %t97 = call %S.json.Json @finch.lsp.range(i64 %t93, i64 %t94, i64 %t96)
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6644, i64 5, i64 0 }, %S.json.Json %t97)
-  %t98 = call %S.json.Json @finch.lsp.num(i64 1)
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6645, i64 8, i64 0 }, %S.json.Json %t98)
-  %t99 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6647, i64 5, i64 0 })
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6646, i64 6, i64 0 }, %S.json.Json %t99)
-  %t100 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
-  %t101 = getelementptr inbounds %S.lsp.Diag, ptr %t100, i32 0, i32 4
-  %t102 = load { ptr, i64, i64 }, ptr %t101
-  %t103 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t102)
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6648, i64 7, i64 0 }, %S.json.Json %t103)
-  %t104 = load %S.json.Json, ptr %a92
-  call void @finch.json.Json.push(ptr %a64, %S.json.Json %t104)
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
-  %t106 = load { ptr, i64, i64 }, ptr %a62
-  store { ptr, i64, i64 } %t106, ptr %a107
-  call void @finch_str_copy(ptr %a108, ptr %a107)
-  %t109 = load { ptr, i64, i64 }, ptr %a108
-  %t110 = load i64, ptr %t105
-  %t111 = add i64 %t110, 1
-  call void @finch_arr_reserve(ptr %a53, i64 %t111, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t112 = load ptr, ptr %a53
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 %t110
-  store { ptr, i64, i64 } %t109, ptr %t113
-  store i64 %t111, ptr %t105
-  br label %endif9770
-endif9770:
-  %t114 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t114, ptr %a115
-  %t116 = load { ptr, i64, i64 }, ptr %a62
-  %t117 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t116)
-  %t118 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t117)
-  call void @finch.json.Json.set(ptr %a115, { ptr, i64, i64 } { ptr @.str.6649, i64 3, i64 0 }, %S.json.Json %t118)
-  %t119 = load %S.json.Json, ptr %a64
-  call void @finch.json.Json.set(ptr %a115, { ptr, i64, i64 } { ptr @.str.6650, i64 11, i64 0 }, %S.json.Json %t119)
-  %t120 = load %S.json.Json, ptr %a115
-  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.6651, i64 31, i64 0 }, %S.json.Json %t120)
-  br label %each.step9762
-each.step9762:
-  %t121 = load i64, ptr %a54
-  %t122 = add i64 %t121, 1
-  store i64 %t122, ptr %a54
-  br label %each.cond9760
-each.end9763:
-  %t123 = load { ptr, i64, i64 }, ptr %a53
-  %t124 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 5
-  store { ptr, i64, i64 } %t123, ptr %a125
-  call void @finch.copy.arr_str(ptr %a126, ptr %a125)
-  %t127 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t127, ptr %t124
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6861, i64 5, i64 0 }, %S.json.Json %t97)
+  store %S.json.Json %t97, ptr %a98
+  call void @finch.drop.S_json_Json(ptr %a98)
+  %t99 = call %S.json.Json @finch.lsp.num(i64 1)
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6862, i64 8, i64 0 }, %S.json.Json %t99)
+  store %S.json.Json %t99, ptr %a100
+  call void @finch.drop.S_json_Json(ptr %a100)
+  %t101 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6864, i64 5, i64 0 })
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6863, i64 6, i64 0 }, %S.json.Json %t101)
+  store %S.json.Json %t101, ptr %a102
+  call void @finch.drop.S_json_Json(ptr %a102)
+  %t103 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
+  %t104 = getelementptr inbounds %S.lsp.Diag, ptr %t103, i32 0, i32 4
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  %t106 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t105)
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6865, i64 7, i64 0 }, %S.json.Json %t106)
+  store %S.json.Json %t106, ptr %a107
+  call void @finch.drop.S_json_Json(ptr %a107)
+  %t108 = load %S.json.Json, ptr %a92
+  call void @finch.json.Json.push(ptr %a64, %S.json.Json %t108)
+  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_copy(ptr %a112, ptr %a111)
+  %t113 = load { ptr, i64, i64 }, ptr %a112
+  %t114 = load i64, ptr %t109
+  %t115 = add i64 %t114, 1
+  call void @finch_arr_reserve(ptr %a53, i64 %t115, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t116 = load ptr, ptr %a53
+  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %t116, i64 %t114
+  store { ptr, i64, i64 } %t113, ptr %t117
+  store i64 %t115, ptr %t109
+  call void @finch.drop.S_json_Json(ptr %a92)
+  br label %endif10296
+endif10296:
+  %t118 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t118, ptr %a119
+  %t120 = load { ptr, i64, i64 }, ptr %a62
+  %t121 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t120)
+  %t122 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t121)
+  store { ptr, i64, i64 } %t121, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  call void @finch.json.Json.set(ptr %a119, { ptr, i64, i64 } { ptr @.str.6866, i64 3, i64 0 }, %S.json.Json %t122)
+  store %S.json.Json %t122, ptr %a124
+  call void @finch.drop.S_json_Json(ptr %a124)
+  %t125 = load %S.json.Json, ptr %a64
+  call void @finch.json.Json.set(ptr %a119, { ptr, i64, i64 } { ptr @.str.6867, i64 11, i64 0 }, %S.json.Json %t125)
+  %t126 = load %S.json.Json, ptr %a119
+  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.6868, i64 31, i64 0 }, %S.json.Json %t126)
+  call void @finch.drop.S_json_Json(ptr %a119)
+  call void @finch.drop.S_json_Json(ptr %a64)
+  br label %each.step10288
+each.step10288:
+  %t127 = load i64, ptr %a54
+  %t128 = add i64 %t127, 1
+  store i64 %t128, ptr %a54
+  br label %each.cond10286
+each.end10289:
+  %t129 = load { ptr, i64, i64 }, ptr %a53
+  %t130 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 5
+  store { ptr, i64, i64 } %t129, ptr %a131
+  call void @finch.copy.arr_str(ptr %a132, ptr %a131)
+  %t133 = load { ptr, i64, i64 }, ptr %a132
+  %t134 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t133, ptr %t130
+  store { ptr, i64, i64 } %t134, ptr %a135
+  call void @finch.drop.arr_str(ptr %a135)
+  call void @finch.drop.arr_str(ptr %a53)
+  call void @finch.drop.arr_str(ptr %a13)
   ret void
 }
 
@@ -88031,22 +105524,22 @@ entry:
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond9777
-for.cond9777:
+  br label %for.cond10303
+for.cond10303:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body9778, label %for.end9780
-for.body9778:
+  br i1 %t10, label %for.body10304, label %for.end10306
+for.body10304:
   %t11 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
   %t12 = load i64, ptr %a8
   %t13 = load { ptr, i64, i64 }, ptr %t11
   %t14 = extractvalue { ptr, i64, i64 } %t13, 1
   %t15 = icmp uge i64 %t12, %t14
-  br i1 %t15, label %range9781, label %inrange9782
-range9781:
-  call void @finch_panic_index(ptr @.str.6652, i64 397, i64 %t12, i64 %t14)
+  br i1 %t15, label %range10307, label %inrange10308
+range10307:
+  call void @finch_panic_index(ptr @.str.6869, i64 397, i64 %t12, i64 %t14)
   unreachable
-inrange9782:
+inrange10308:
   %t16 = extractvalue { ptr, i64, i64 } %t13, 0
   %t17 = getelementptr inbounds %S.lsp.Ref, ptr %t16, i64 %t12
   %t18 = load %S.lsp.Ref, ptr %t17
@@ -88058,23 +105551,23 @@ inrange9782:
   %t24 = load i64, ptr %t23
   %t25 = load i64, ptr %a3
   %t26 = icmp eq i64 %t24, %t25
-  br label %logic.from9783
-logic.from9783:
-  br i1 %t26, label %logic.rhs9784, label %logic.end9785
-logic.rhs9784:
+  br label %logic.from10309
+logic.from10309:
+  br i1 %t26, label %logic.rhs10310, label %logic.end10311
+logic.rhs10310:
   %t27 = load i64, ptr %a4
   %t28 = getelementptr inbounds %S.lsp.Ref, ptr %a22, i32 0, i32 2
   %t29 = load i64, ptr %t28
   %t30 = icmp sge i64 %t27, %t29
-  br label %logic.rend9786
-logic.rend9786:
-  br label %logic.end9785
-logic.end9785:
-  %t31 = phi i1 [ false, %logic.from9783 ], [ %t30, %logic.rend9786 ]
-  br label %logic.from9787
-logic.from9787:
-  br i1 %t31, label %logic.rhs9788, label %logic.end9789
-logic.rhs9788:
+  br label %logic.rend10312
+logic.rend10312:
+  br label %logic.end10311
+logic.end10311:
+  %t31 = phi i1 [ false, %logic.from10309 ], [ %t30, %logic.rend10312 ]
+  br label %logic.from10313
+logic.from10313:
+  br i1 %t31, label %logic.rhs10314, label %logic.end10315
+logic.rhs10314:
   %t32 = load i64, ptr %a4
   %t33 = getelementptr inbounds %S.lsp.Ref, ptr %a22, i32 0, i32 2
   %t34 = load i64, ptr %t33
@@ -88082,15 +105575,15 @@ logic.rhs9788:
   %t36 = load i64, ptr %t35
   %t37 = add i64 %t34, %t36
   %t38 = icmp sle i64 %t32, %t37
-  br label %logic.rend9790
-logic.rend9790:
-  br label %logic.end9789
-logic.end9789:
-  %t39 = phi i1 [ false, %logic.from9787 ], [ %t38, %logic.rend9790 ]
-  br label %logic.from9791
-logic.from9791:
-  br i1 %t39, label %logic.rhs9792, label %logic.end9793
-logic.rhs9792:
+  br label %logic.rend10316
+logic.rend10316:
+  br label %logic.end10315
+logic.end10315:
+  %t39 = phi i1 [ false, %logic.from10313 ], [ %t38, %logic.rend10316 ]
+  br label %logic.from10317
+logic.from10317:
+  br i1 %t39, label %logic.rhs10318, label %logic.end10319
+logic.rhs10318:
   %t40 = getelementptr inbounds %S.lsp.Ref, ptr %a22, i32 0, i32 0
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = load { ptr, i64, i64 }, ptr %a2
@@ -88098,23 +105591,25 @@ logic.rhs9792:
   store { ptr, i64, i64 } %t42, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend9794
-logic.rend9794:
-  br label %logic.end9793
-logic.end9793:
-  %t47 = phi i1 [ false, %logic.from9791 ], [ %t46, %logic.rend9794 ]
-  br i1 %t47, label %then9795, label %endif9797
-then9795:
+  br label %logic.rend10320
+logic.rend10320:
+  br label %logic.end10319
+logic.end10319:
+  %t47 = phi i1 [ false, %logic.from10317 ], [ %t46, %logic.rend10320 ]
+  br i1 %t47, label %then10321, label %endif10323
+then10321:
   %t48 = load i64, ptr %a8
+  call void @finch.drop.S_lsp_Ref(ptr %a22)
   ret i64 %t48
-endif9797:
-  br label %for.step9779
-for.step9779:
+endif10323:
+  call void @finch.drop.S_lsp_Ref(ptr %a22)
+  br label %for.step10305
+for.step10305:
   %t49 = load i64, ptr %a8
   %t50 = add i64 %t49, 1
   store i64 %t50, ptr %a8
-  br label %for.cond9777
-for.end9780:
+  br label %for.cond10303
+for.end10306:
   ret i64 -1
 }
 
@@ -88126,9 +105621,9 @@ entry:
   %a4 = alloca i64, align 16
   %a10 = alloca i64, align 16
   %a15 = alloca %S.json.Json, align 16
+  %a17 = alloca %S.json.Json, align 16
   %a28 = alloca %S.json.Json, align 16
-  %a31 = alloca %S.json.Json, align 16
-  %a32 = alloca %S.json.Json, align 16
+  %a30 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -88141,40 +105636,42 @@ entry:
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br i1 %t12, label %then9798, label %endif9800
-then9798:
+  br i1 %t12, label %then10324, label %endif10326
+then10324:
   %t13 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t13
-endif9800:
+endif10326:
   %t14 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t14, ptr %a15
-  %t16 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6654, i64 8, i64 0 })
-  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6653, i64 4, i64 0 }, %S.json.Json %t16)
-  %t17 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
-  %t18 = load i64, ptr %a10
-  %t19 = load { ptr, i64, i64 }, ptr %t17
-  %t20 = extractvalue { ptr, i64, i64 } %t19, 1
-  %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range9801, label %inrange9802
-range9801:
-  call void @finch_panic_index(ptr @.str.6656, i64 412, i64 %t18, i64 %t20)
+  %t16 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6871, i64 8, i64 0 })
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6870, i64 4, i64 0 }, %S.json.Json %t16)
+  store %S.json.Json %t16, ptr %a17
+  call void @finch.drop.S_json_Json(ptr %a17)
+  %t18 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
+  %t19 = load i64, ptr %a10
+  %t20 = load { ptr, i64, i64 }, ptr %t18
+  %t21 = extractvalue { ptr, i64, i64 } %t20, 1
+  %t22 = icmp uge i64 %t19, %t21
+  br i1 %t22, label %range10327, label %inrange10328
+range10327:
+  call void @finch_panic_index(ptr @.str.6873, i64 412, i64 %t19, i64 %t21)
   unreachable
-inrange9802:
-  %t22 = extractvalue { ptr, i64, i64 } %t19, 0
-  %t23 = getelementptr inbounds %S.lsp.Ref, ptr %t22, i64 %t18
-  %t24 = getelementptr inbounds %S.lsp.Ref, ptr %t23, i32 0, i32 7
-  %t25 = load { ptr, i64, i64 }, ptr %t24
-  %t26 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t25)
-  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6655, i64 5, i64 0 }, %S.json.Json %t26)
-  %t27 = call %S.json.Json @finch.json.new_object()
+inrange10328:
+  %t23 = extractvalue { ptr, i64, i64 } %t20, 0
+  %t24 = getelementptr inbounds %S.lsp.Ref, ptr %t23, i64 %t19
+  %t25 = getelementptr inbounds %S.lsp.Ref, ptr %t24, i32 0, i32 7
+  %t26 = load { ptr, i64, i64 }, ptr %t25
+  %t27 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t26)
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6872, i64 5, i64 0 }, %S.json.Json %t27)
   store %S.json.Json %t27, ptr %a28
-  %t29 = load %S.json.Json, ptr %a15
-  call void @finch.json.Json.set(ptr %a28, { ptr, i64, i64 } { ptr @.str.6657, i64 8, i64 0 }, %S.json.Json %t29)
-  %t30 = load %S.json.Json, ptr %a28
-  store %S.json.Json %t30, ptr %a31
-  call void @finch.copy.S_json_Json(ptr %a32, ptr %a31)
-  %t33 = load %S.json.Json, ptr %a32
-  ret %S.json.Json %t33
+  call void @finch.drop.S_json_Json(ptr %a28)
+  %t29 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t29, ptr %a30
+  %t31 = load %S.json.Json, ptr %a15
+  call void @finch.json.Json.set(ptr %a30, { ptr, i64, i64 } { ptr @.str.6874, i64 8, i64 0 }, %S.json.Json %t31)
+  %t32 = load %S.json.Json, ptr %a30
+  call void @finch.drop.S_json_Json(ptr %a15)
+  ret %S.json.Json %t32
 }
 
 define internal %S.json.Json @finch.lsp.definitionAt(%S.lsp.Analysis %p0, { ptr, i64, i64 } %p1, i64 %p2, i64 %p3) {
@@ -88188,7 +105685,8 @@ entry:
   %a35 = alloca %S.lsp.Ref, align 16
   %a37 = alloca %S.lsp.Ref, align 16
   %a39 = alloca %S.json.Json, align 16
-  %a55 = alloca %S.json.Json, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca %S.json.Json, align 16
   %a56 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
@@ -88202,46 +105700,46 @@ entry:
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br label %logic.from9803
-logic.from9803:
-  br i1 %t12, label %logic.end9805, label %logic.rhs9804
-logic.rhs9804:
+  br label %logic.from10329
+logic.from10329:
+  br i1 %t12, label %logic.end10331, label %logic.rhs10330
+logic.rhs10330:
   %t13 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
   %t14 = load i64, ptr %a10
   %t15 = load { ptr, i64, i64 }, ptr %t13
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 %t14, %t16
-  br i1 %t17, label %range9806, label %inrange9807
-range9806:
-  call void @finch_panic_index(ptr @.str.6658, i64 420, i64 %t14, i64 %t16)
+  br i1 %t17, label %range10332, label %inrange10333
+range10332:
+  call void @finch_panic_index(ptr @.str.6875, i64 420, i64 %t14, i64 %t16)
   unreachable
-inrange9807:
+inrange10333:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.lsp.Ref, ptr %t18, i64 %t14
   %t20 = getelementptr inbounds %S.lsp.Ref, ptr %t19, i32 0, i32 4
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
   %t22 = load i64, ptr %t21
   %t23 = icmp eq i64 %t22, 0
-  br label %logic.rend9808
-logic.rend9808:
-  br label %logic.end9805
-logic.end9805:
-  %t24 = phi i1 [ true, %logic.from9803 ], [ %t23, %logic.rend9808 ]
-  br i1 %t24, label %then9809, label %endif9811
-then9809:
+  br label %logic.rend10334
+logic.rend10334:
+  br label %logic.end10331
+logic.end10331:
+  %t24 = phi i1 [ true, %logic.from10329 ], [ %t23, %logic.rend10334 ]
+  br i1 %t24, label %then10335, label %endif10337
+then10335:
   %t25 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t25
-endif9811:
+endif10337:
   %t26 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
   %t27 = load i64, ptr %a10
   %t28 = load { ptr, i64, i64 }, ptr %t26
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 %t27, %t29
-  br i1 %t30, label %range9812, label %inrange9813
-range9812:
-  call void @finch_panic_index(ptr @.str.6659, i64 423, i64 %t27, i64 %t29)
+  br i1 %t30, label %range10338, label %inrange10339
+range10338:
+  call void @finch_panic_index(ptr @.str.6876, i64 423, i64 %t27, i64 %t29)
   unreachable
-inrange9813:
+inrange10339:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds %S.lsp.Ref, ptr %t31, i64 %t27
   %t33 = load %S.lsp.Ref, ptr %t32
@@ -88255,22 +105753,26 @@ inrange9813:
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t41)
   %t43 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t42)
-  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6660, i64 3, i64 0 }, %S.json.Json %t43)
-  %t44 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 5
-  %t45 = load i64, ptr %t44
-  %t46 = sub i64 %t45, 1
-  %t47 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
-  %t48 = load i64, ptr %t47
-  %t49 = sub i64 %t48, 1
-  %t50 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
-  %t51 = load i64, ptr %t50
-  %t52 = sub i64 %t51, 1
-  %t53 = call %S.json.Json @finch.lsp.range(i64 %t46, i64 %t49, i64 %t52)
-  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6661, i64 5, i64 0 }, %S.json.Json %t53)
-  %t54 = load %S.json.Json, ptr %a39
-  store %S.json.Json %t54, ptr %a55
-  call void @finch.copy.S_json_Json(ptr %a56, ptr %a55)
-  %t57 = load %S.json.Json, ptr %a56
+  store { ptr, i64, i64 } %t42, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6877, i64 3, i64 0 }, %S.json.Json %t43)
+  store %S.json.Json %t43, ptr %a45
+  call void @finch.drop.S_json_Json(ptr %a45)
+  %t46 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 5
+  %t47 = load i64, ptr %t46
+  %t48 = sub i64 %t47, 1
+  %t49 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
+  %t50 = load i64, ptr %t49
+  %t51 = sub i64 %t50, 1
+  %t52 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
+  %t53 = load i64, ptr %t52
+  %t54 = sub i64 %t53, 1
+  %t55 = call %S.json.Json @finch.lsp.range(i64 %t48, i64 %t51, i64 %t54)
+  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6878, i64 5, i64 0 }, %S.json.Json %t55)
+  store %S.json.Json %t55, ptr %a56
+  call void @finch.drop.S_json_Json(ptr %a56)
+  %t57 = load %S.json.Json, ptr %a39
+  call void @finch.drop.S_lsp_Ref(ptr %a37)
   ret %S.json.Json %t57
 }
 
@@ -88293,30 +105795,33 @@ entry:
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca i64, align 16
-  %a65 = alloca %S.lsp.StructRec, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca i64, align 16
-  %a98 = alloca %S.lsp.EnumRec, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca %S.json.Json, align 16
-  %a124 = alloca %S.json.Json, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.json.Json, align 16
+  %a61 = alloca i64, align 16
+  %a69 = alloca %S.lsp.StructRec, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca %S.json.Json, align 16
+  %a95 = alloca i64, align 16
+  %a103 = alloca %S.lsp.EnumRec, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_list()
   store %S.json.Json %t3, ptr %a4
   %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
   store i64 0, ptr %a6
-  br label %each.cond9814
-each.cond9814:
+  br label %each.cond10340
+each.cond10340:
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load i64, ptr %a6
   %t10 = icmp slt i64 %t9, %t8
-  br i1 %t10, label %each.body9815, label %each.end9817
-each.body9815:
+  br i1 %t10, label %each.body10341, label %each.end10343
+each.body10341:
   %t11 = load ptr, ptr %t5
   %t12 = getelementptr inbounds %S.lsp.FnRec, ptr %t11, i64 %t9
   %t13 = load %S.lsp.FnRec, ptr %t12
@@ -88328,10 +105833,10 @@ each.body9815:
   store { ptr, i64, i64 } %t17, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp eq i32 %t20, 0
-  br i1 %t21, label %then9818, label %endif9820
-then9818:
-  br label %each.step9816
-endif9820:
+  br i1 %t21, label %then10344, label %endif10346
+then10344:
+  br label %each.step10342
+endif10346:
   store i64 12, ptr %a22
   %t23 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 1
   %t24 = load { ptr, i64, i64 }, ptr %t23
@@ -88343,13 +105848,13 @@ endif9820:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = icmp sgt i64 %t31, 0
-  br i1 %t32, label %then9821, label %endif9823
-then9821:
+  br i1 %t32, label %then10347, label %endif10349
+then10347:
   store i64 6, ptr %a22
   %t33 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 2
   %t34 = load { ptr, i64, i64 }, ptr %t33
   store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.6662, i64 1, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.6879, i64 1, i64 0 }, ptr %a37
   call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
   %t38 = load { ptr, i64, i64 }, ptr %a35
   %t39 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 1
@@ -88357,126 +105862,135 @@ then9821:
   store { ptr, i64, i64 } %t38, ptr %a42
   store { ptr, i64, i64 } %t40, ptr %a43
   call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a28
-  br label %endif9823
-endif9823:
-  %t45 = load { ptr, i64, i64 }, ptr %a28
-  %t46 = load i64, ptr %a22
-  %t47 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 4
-  %t48 = load i64, ptr %t47
-  %t49 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 5
-  %t50 = load i64, ptr %t49
-  %t51 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 6
-  %t52 = load i64, ptr %t51
-  %t53 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t45, i64 %t46, i64 %t48, i64 %t50, i64 %t52)
-  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t53)
-  br label %each.step9816
-each.step9816:
-  %t54 = load i64, ptr %a6
-  %t55 = add i64 %t54, 1
-  store i64 %t55, ptr %a6
-  br label %each.cond9814
-each.end9817:
-  %t56 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a57
-  br label %each.cond9824
-each.cond9824:
-  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i32 0, i32 1
-  %t59 = load i64, ptr %t58
-  %t60 = load i64, ptr %a57
-  %t61 = icmp slt i64 %t60, %t59
-  br i1 %t61, label %each.body9825, label %each.end9827
-each.body9825:
-  %t62 = load ptr, ptr %t56
-  %t63 = getelementptr inbounds %S.lsp.StructRec, ptr %t62, i64 %t60
-  %t64 = load %S.lsp.StructRec, ptr %t63
-  store %S.lsp.StructRec %t64, ptr %a65
-  %t66 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 2
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  %t68 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } %t68, ptr %a70
-  %t71 = call i32 @finch_str_eq(ptr %a69, ptr %a70)
-  %t72 = icmp ne i32 %t71, 0
-  br i1 %t72, label %then9828, label %endif9830
-then9828:
-  %t73 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 1
-  %t74 = load { ptr, i64, i64 }, ptr %t73
-  %t75 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 3
-  %t76 = load i64, ptr %t75
-  %t77 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 4
-  %t78 = load i64, ptr %t77
-  %t79 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 3
+  store { ptr, i64, i64 } %t38, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t45, ptr %a28
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %endif10349
+endif10349:
+  %t48 = load { ptr, i64, i64 }, ptr %a28
+  %t49 = load i64, ptr %a22
+  %t50 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 4
+  %t51 = load i64, ptr %t50
+  %t52 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 5
+  %t53 = load i64, ptr %t52
+  %t54 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 6
+  %t55 = load i64, ptr %t54
+  %t56 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t48, i64 %t49, i64 %t51, i64 %t53, i64 %t55)
+  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t56)
+  store %S.json.Json %t56, ptr %a57
+  call void @finch.drop.S_json_Json(ptr %a57)
+  call void @finch_str_drop(ptr %a28)
+  br label %each.step10342
+each.step10342:
+  %t58 = load i64, ptr %a6
+  %t59 = add i64 %t58, 1
+  store i64 %t59, ptr %a6
+  br label %each.cond10340
+each.end10343:
+  %t60 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a61
+  br label %each.cond10350
+each.cond10350:
+  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
+  %t63 = load i64, ptr %t62
+  %t64 = load i64, ptr %a61
+  %t65 = icmp slt i64 %t64, %t63
+  br i1 %t65, label %each.body10351, label %each.end10353
+each.body10351:
+  %t66 = load ptr, ptr %t60
+  %t67 = getelementptr inbounds %S.lsp.StructRec, ptr %t66, i64 %t64
+  %t68 = load %S.lsp.StructRec, ptr %t67
+  store %S.lsp.StructRec %t68, ptr %a69
+  %t70 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 2
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } %t72, ptr %a74
+  %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
+  %t76 = icmp ne i32 %t75, 0
+  br i1 %t76, label %then10354, label %endif10356
+then10354:
+  %t77 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 1
+  %t78 = load { ptr, i64, i64 }, ptr %t77
+  %t79 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 3
   %t80 = load i64, ptr %t79
-  %t81 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 5
-  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %t81, i32 0, i32 1
-  %t83 = load i64, ptr %t82
-  %t84 = add i64 %t80, %t83
-  %t85 = add i64 %t84, 1
-  %t86 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t74, i64 23, i64 %t76, i64 %t78, i64 %t85)
-  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t86)
-  br label %endif9830
-endif9830:
-  br label %each.step9826
-each.step9826:
-  %t87 = load i64, ptr %a57
-  %t88 = add i64 %t87, 1
-  store i64 %t88, ptr %a57
-  br label %each.cond9824
-each.end9827:
-  %t89 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a90
-  br label %each.cond9831
-each.cond9831:
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i32 0, i32 1
-  %t92 = load i64, ptr %t91
-  %t93 = load i64, ptr %a90
-  %t94 = icmp slt i64 %t93, %t92
-  br i1 %t94, label %each.body9832, label %each.end9834
-each.body9832:
-  %t95 = load ptr, ptr %t89
-  %t96 = getelementptr inbounds %S.lsp.EnumRec, ptr %t95, i64 %t93
-  %t97 = load %S.lsp.EnumRec, ptr %t96
-  store %S.lsp.EnumRec %t97, ptr %a98
-  %t99 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 2
-  %t100 = load { ptr, i64, i64 }, ptr %t99
-  %t101 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } %t101, ptr %a103
-  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
-  %t105 = icmp ne i32 %t104, 0
-  br i1 %t105, label %then9835, label %endif9837
-then9835:
-  %t106 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 1
-  %t107 = load { ptr, i64, i64 }, ptr %t106
-  %t108 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 3
-  %t109 = load i64, ptr %t108
-  %t110 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 4
-  %t111 = load i64, ptr %t110
-  %t112 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 3
-  %t113 = load i64, ptr %t112
-  %t114 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 5
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
+  %t81 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 4
+  %t82 = load i64, ptr %t81
+  %t83 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 3
+  %t84 = load i64, ptr %t83
+  %t85 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 5
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = add i64 %t84, %t87
+  %t89 = add i64 %t88, 1
+  %t90 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t78, i64 23, i64 %t80, i64 %t82, i64 %t89)
+  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t90)
+  store %S.json.Json %t90, ptr %a91
+  call void @finch.drop.S_json_Json(ptr %a91)
+  br label %endif10356
+endif10356:
+  br label %each.step10352
+each.step10352:
+  %t92 = load i64, ptr %a61
+  %t93 = add i64 %t92, 1
+  store i64 %t93, ptr %a61
+  br label %each.cond10350
+each.end10353:
+  %t94 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a95
+  br label %each.cond10357
+each.cond10357:
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
+  %t97 = load i64, ptr %t96
+  %t98 = load i64, ptr %a95
+  %t99 = icmp slt i64 %t98, %t97
+  br i1 %t99, label %each.body10358, label %each.end10360
+each.body10358:
+  %t100 = load ptr, ptr %t94
+  %t101 = getelementptr inbounds %S.lsp.EnumRec, ptr %t100, i64 %t98
+  %t102 = load %S.lsp.EnumRec, ptr %t101
+  store %S.lsp.EnumRec %t102, ptr %a103
+  %t104 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 2
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  %t106 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } %t106, ptr %a108
+  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
+  %t110 = icmp ne i32 %t109, 0
+  br i1 %t110, label %then10361, label %endif10363
+then10361:
+  %t111 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 1
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  %t113 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 3
+  %t114 = load i64, ptr %t113
+  %t115 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 4
   %t116 = load i64, ptr %t115
-  %t117 = add i64 %t113, %t116
-  %t118 = add i64 %t117, 1
-  %t119 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t107, i64 10, i64 %t109, i64 %t111, i64 %t118)
-  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t119)
-  br label %endif9837
-endif9837:
-  br label %each.step9833
-each.step9833:
-  %t120 = load i64, ptr %a90
-  %t121 = add i64 %t120, 1
-  store i64 %t121, ptr %a90
-  br label %each.cond9831
-each.end9834:
-  %t122 = load %S.json.Json, ptr %a4
-  store %S.json.Json %t122, ptr %a123
-  call void @finch.copy.S_json_Json(ptr %a124, ptr %a123)
-  %t125 = load %S.json.Json, ptr %a124
-  ret %S.json.Json %t125
+  %t117 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 3
+  %t118 = load i64, ptr %t117
+  %t119 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 5
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
+  %t121 = load i64, ptr %t120
+  %t122 = add i64 %t118, %t121
+  %t123 = add i64 %t122, 1
+  %t124 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t112, i64 10, i64 %t114, i64 %t116, i64 %t123)
+  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t124)
+  store %S.json.Json %t124, ptr %a125
+  call void @finch.drop.S_json_Json(ptr %a125)
+  br label %endif10363
+endif10363:
+  br label %each.step10359
+each.step10359:
+  %t126 = load i64, ptr %a95
+  %t127 = add i64 %t126, 1
+  store i64 %t127, ptr %a95
+  br label %each.cond10357
+each.end10360:
+  %t128 = load %S.json.Json, ptr %a4
+  ret %S.json.Json %t128
 }
 
 define internal %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %p0, i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
@@ -88487,9 +106001,12 @@ entry:
   %a4 = alloca i64, align 16
   %a5 = alloca i64, align 16
   %a7 = alloca %S.json.Json, align 16
+  %a10 = alloca %S.json.Json, align 16
   %a13 = alloca %S.json.Json, align 16
-  %a28 = alloca %S.json.Json, align 16
-  %a29 = alloca %S.json.Json, align 16
+  %a15 = alloca %S.json.Json, align 16
+  %a19 = alloca %S.json.Json, align 16
+  %a22 = alloca %S.json.Json, align 16
+  %a31 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store i64 %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -88499,34 +106016,42 @@ entry:
   store %S.json.Json %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a1
   %t9 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t8)
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6663, i64 4, i64 0 }, %S.json.Json %t9)
-  %t10 = load i64, ptr %a2
-  %t11 = call %S.json.Json @finch.lsp.num(i64 %t10)
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6664, i64 4, i64 0 }, %S.json.Json %t11)
-  %t12 = call %S.json.Json @finch.json.new_object()
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6880, i64 4, i64 0 }, %S.json.Json %t9)
+  store %S.json.Json %t9, ptr %a10
+  call void @finch.drop.S_json_Json(ptr %a10)
+  %t11 = load i64, ptr %a2
+  %t12 = call %S.json.Json @finch.lsp.num(i64 %t11)
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6881, i64 4, i64 0 }, %S.json.Json %t12)
   store %S.json.Json %t12, ptr %a13
-  %t14 = load i64, ptr %a3
-  %t15 = sub i64 %t14, 1
-  %t16 = call %S.json.Json @finch.lsp.position(i64 %t15, i64 0)
-  call void @finch.json.Json.set(ptr %a13, { ptr, i64, i64 } { ptr @.str.6665, i64 5, i64 0 }, %S.json.Json %t16)
-  %t17 = load i64, ptr %a5
+  call void @finch.drop.S_json_Json(ptr %a13)
+  %t14 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t14, ptr %a15
+  %t16 = load i64, ptr %a3
+  %t17 = sub i64 %t16, 1
   %t18 = call %S.json.Json @finch.lsp.position(i64 %t17, i64 0)
-  call void @finch.json.Json.set(ptr %a13, { ptr, i64, i64 } { ptr @.str.6666, i64 3, i64 0 }, %S.json.Json %t18)
-  %t19 = load %S.json.Json, ptr %a13
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6667, i64 5, i64 0 }, %S.json.Json %t19)
-  %t20 = load i64, ptr %a3
-  %t21 = sub i64 %t20, 1
-  %t22 = load i64, ptr %a4
-  %t23 = sub i64 %t22, 1
-  %t24 = load i64, ptr %a4
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6882, i64 5, i64 0 }, %S.json.Json %t18)
+  store %S.json.Json %t18, ptr %a19
+  call void @finch.drop.S_json_Json(ptr %a19)
+  %t20 = load i64, ptr %a5
+  %t21 = call %S.json.Json @finch.lsp.position(i64 %t20, i64 0)
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6883, i64 3, i64 0 }, %S.json.Json %t21)
+  store %S.json.Json %t21, ptr %a22
+  call void @finch.drop.S_json_Json(ptr %a22)
+  %t23 = load %S.json.Json, ptr %a15
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6884, i64 5, i64 0 }, %S.json.Json %t23)
+  %t24 = load i64, ptr %a3
   %t25 = sub i64 %t24, 1
-  %t26 = call %S.json.Json @finch.lsp.range(i64 %t21, i64 %t23, i64 %t25)
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6668, i64 14, i64 0 }, %S.json.Json %t26)
-  %t27 = load %S.json.Json, ptr %a7
-  store %S.json.Json %t27, ptr %a28
-  call void @finch.copy.S_json_Json(ptr %a29, ptr %a28)
-  %t30 = load %S.json.Json, ptr %a29
-  ret %S.json.Json %t30
+  %t26 = load i64, ptr %a4
+  %t27 = sub i64 %t26, 1
+  %t28 = load i64, ptr %a4
+  %t29 = sub i64 %t28, 1
+  %t30 = call %S.json.Json @finch.lsp.range(i64 %t25, i64 %t27, i64 %t29)
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6885, i64 14, i64 0 }, %S.json.Json %t30)
+  store %S.json.Json %t30, ptr %a31
+  call void @finch.drop.S_json_Json(ptr %a31)
+  %t32 = load %S.json.Json, ptr %a7
+  call void @finch.drop.S_json_Json(ptr %a15)
+  ret %S.json.Json %t32
 }
 
 define internal %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %p0, i64 %p1, { ptr, i64, i64 } %p2, { ptr, i64, i64 } %p3) {
@@ -88536,9 +106061,12 @@ entry:
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca %S.json.Json, align 16
-  %a20 = alloca %S.json.Json, align 16
-  %a26 = alloca %S.json.Json, align 16
-  %a27 = alloca %S.json.Json, align 16
+  %a9 = alloca %S.json.Json, align 16
+  %a12 = alloca %S.json.Json, align 16
+  %a18 = alloca %S.json.Json, align 16
+  %a23 = alloca %S.json.Json, align 16
+  %a25 = alloca %S.json.Json, align 16
+  %a28 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store i64 %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -88547,41 +106075,49 @@ entry:
   store %S.json.Json %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a1
   %t8 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t7)
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6669, i64 5, i64 0 }, %S.json.Json %t8)
-  %t9 = load i64, ptr %a2
-  %t10 = call %S.json.Json @finch.lsp.num(i64 %t9)
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6670, i64 4, i64 0 }, %S.json.Json %t10)
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t12 = load i64, ptr %t11
-  %t13 = icmp sgt i64 %t12, 0
-  br i1 %t13, label %then9838, label %endif9840
-then9838:
-  %t14 = load { ptr, i64, i64 }, ptr %a3
-  %t15 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t14)
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6671, i64 6, i64 0 }, %S.json.Json %t15)
-  br label %endif9840
-endif9840:
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t17 = load i64, ptr %t16
-  %t18 = icmp sgt i64 %t17, 0
-  br i1 %t18, label %then9841, label %endif9843
-then9841:
-  %t19 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t19, ptr %a20
-  %t21 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6673, i64 8, i64 0 })
-  call void @finch.json.Json.set(ptr %a20, { ptr, i64, i64 } { ptr @.str.6672, i64 4, i64 0 }, %S.json.Json %t21)
-  %t22 = load { ptr, i64, i64 }, ptr %a4
-  %t23 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t22)
-  call void @finch.json.Json.set(ptr %a20, { ptr, i64, i64 } { ptr @.str.6674, i64 5, i64 0 }, %S.json.Json %t23)
-  %t24 = load %S.json.Json, ptr %a20
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6675, i64 13, i64 0 }, %S.json.Json %t24)
-  br label %endif9843
-endif9843:
-  %t25 = load %S.json.Json, ptr %a6
-  store %S.json.Json %t25, ptr %a26
-  call void @finch.copy.S_json_Json(ptr %a27, ptr %a26)
-  %t28 = load %S.json.Json, ptr %a27
-  ret %S.json.Json %t28
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6886, i64 5, i64 0 }, %S.json.Json %t8)
+  store %S.json.Json %t8, ptr %a9
+  call void @finch.drop.S_json_Json(ptr %a9)
+  %t10 = load i64, ptr %a2
+  %t11 = call %S.json.Json @finch.lsp.num(i64 %t10)
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6887, i64 4, i64 0 }, %S.json.Json %t11)
+  store %S.json.Json %t11, ptr %a12
+  call void @finch.drop.S_json_Json(ptr %a12)
+  %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t14 = load i64, ptr %t13
+  %t15 = icmp sgt i64 %t14, 0
+  br i1 %t15, label %then10364, label %endif10366
+then10364:
+  %t16 = load { ptr, i64, i64 }, ptr %a3
+  %t17 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t16)
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6888, i64 6, i64 0 }, %S.json.Json %t17)
+  store %S.json.Json %t17, ptr %a18
+  call void @finch.drop.S_json_Json(ptr %a18)
+  br label %endif10366
+endif10366:
+  %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t20 = load i64, ptr %t19
+  %t21 = icmp sgt i64 %t20, 0
+  br i1 %t21, label %then10367, label %endif10369
+then10367:
+  %t22 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t22, ptr %a23
+  %t24 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6890, i64 8, i64 0 })
+  call void @finch.json.Json.set(ptr %a23, { ptr, i64, i64 } { ptr @.str.6889, i64 4, i64 0 }, %S.json.Json %t24)
+  store %S.json.Json %t24, ptr %a25
+  call void @finch.drop.S_json_Json(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a4
+  %t27 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t26)
+  call void @finch.json.Json.set(ptr %a23, { ptr, i64, i64 } { ptr @.str.6891, i64 5, i64 0 }, %S.json.Json %t27)
+  store %S.json.Json %t27, ptr %a28
+  call void @finch.drop.S_json_Json(ptr %a28)
+  %t29 = load %S.json.Json, ptr %a23
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6892, i64 13, i64 0 }, %S.json.Json %t29)
+  call void @finch.drop.S_json_Json(ptr %a23)
+  br label %endif10369
+endif10369:
+  %t30 = load %S.json.Json, ptr %a6
+  ret %S.json.Json %t30
 }
 
 define internal i1 @finch.lsp.isWordChar(i8 %p0) {
@@ -88590,72 +106126,72 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 97
-  br label %logic.from9844
-logic.from9844:
-  br i1 %t3, label %logic.rhs9845, label %logic.end9846
-logic.rhs9845:
+  br label %logic.from10370
+logic.from10370:
+  br i1 %t3, label %logic.rhs10371, label %logic.end10372
+logic.rhs10371:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 122
-  br label %logic.rend9847
-logic.rend9847:
-  br label %logic.end9846
-logic.end9846:
-  %t6 = phi i1 [ false, %logic.from9844 ], [ %t5, %logic.rend9847 ]
-  br label %logic.from9848
-logic.from9848:
-  br i1 %t6, label %logic.end9850, label %logic.rhs9849
-logic.rhs9849:
+  br label %logic.rend10373
+logic.rend10373:
+  br label %logic.end10372
+logic.end10372:
+  %t6 = phi i1 [ false, %logic.from10370 ], [ %t5, %logic.rend10373 ]
+  br label %logic.from10374
+logic.from10374:
+  br i1 %t6, label %logic.end10376, label %logic.rhs10375
+logic.rhs10375:
   %t7 = load i8, ptr %a1
   %t8 = icmp uge i8 %t7, 65
-  br label %logic.from9851
-logic.from9851:
-  br i1 %t8, label %logic.rhs9852, label %logic.end9853
-logic.rhs9852:
+  br label %logic.from10377
+logic.from10377:
+  br i1 %t8, label %logic.rhs10378, label %logic.end10379
+logic.rhs10378:
   %t9 = load i8, ptr %a1
   %t10 = icmp ule i8 %t9, 90
-  br label %logic.rend9854
-logic.rend9854:
-  br label %logic.end9853
-logic.end9853:
-  %t11 = phi i1 [ false, %logic.from9851 ], [ %t10, %logic.rend9854 ]
-  br label %logic.rend9855
-logic.rend9855:
-  br label %logic.end9850
-logic.end9850:
-  %t12 = phi i1 [ true, %logic.from9848 ], [ %t11, %logic.rend9855 ]
-  br label %logic.from9856
-logic.from9856:
-  br i1 %t12, label %logic.end9858, label %logic.rhs9857
-logic.rhs9857:
+  br label %logic.rend10380
+logic.rend10380:
+  br label %logic.end10379
+logic.end10379:
+  %t11 = phi i1 [ false, %logic.from10377 ], [ %t10, %logic.rend10380 ]
+  br label %logic.rend10381
+logic.rend10381:
+  br label %logic.end10376
+logic.end10376:
+  %t12 = phi i1 [ true, %logic.from10374 ], [ %t11, %logic.rend10381 ]
+  br label %logic.from10382
+logic.from10382:
+  br i1 %t12, label %logic.end10384, label %logic.rhs10383
+logic.rhs10383:
   %t13 = load i8, ptr %a1
   %t14 = icmp uge i8 %t13, 48
-  br label %logic.from9859
-logic.from9859:
-  br i1 %t14, label %logic.rhs9860, label %logic.end9861
-logic.rhs9860:
+  br label %logic.from10385
+logic.from10385:
+  br i1 %t14, label %logic.rhs10386, label %logic.end10387
+logic.rhs10386:
   %t15 = load i8, ptr %a1
   %t16 = icmp ule i8 %t15, 57
-  br label %logic.rend9862
-logic.rend9862:
-  br label %logic.end9861
-logic.end9861:
-  %t17 = phi i1 [ false, %logic.from9859 ], [ %t16, %logic.rend9862 ]
-  br label %logic.rend9863
-logic.rend9863:
-  br label %logic.end9858
-logic.end9858:
-  %t18 = phi i1 [ true, %logic.from9856 ], [ %t17, %logic.rend9863 ]
-  br label %logic.from9864
-logic.from9864:
-  br i1 %t18, label %logic.end9866, label %logic.rhs9865
-logic.rhs9865:
+  br label %logic.rend10388
+logic.rend10388:
+  br label %logic.end10387
+logic.end10387:
+  %t17 = phi i1 [ false, %logic.from10385 ], [ %t16, %logic.rend10388 ]
+  br label %logic.rend10389
+logic.rend10389:
+  br label %logic.end10384
+logic.end10384:
+  %t18 = phi i1 [ true, %logic.from10382 ], [ %t17, %logic.rend10389 ]
+  br label %logic.from10390
+logic.from10390:
+  br i1 %t18, label %logic.end10392, label %logic.rhs10391
+logic.rhs10391:
   %t19 = load i8, ptr %a1
   %t20 = icmp eq i8 %t19, 95
-  br label %logic.rend9867
-logic.rend9867:
-  br label %logic.end9866
-logic.end9866:
-  %t21 = phi i1 [ true, %logic.from9864 ], [ %t20, %logic.rend9867 ]
+  br label %logic.rend10393
+logic.rend10393:
+  br label %logic.end10392
+logic.end10392:
+  %t21 = phi i1 [ true, %logic.from10390 ], [ %t20, %logic.rend10393 ]
   ret i1 %t21
 }
 
@@ -88669,17 +106205,18 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.json.Json, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond9868
-each.cond9868:
+  br label %each.cond10394
+each.cond10394:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body9869, label %each.end9871
-each.body9869:
+  br i1 %t7, label %each.body10395, label %each.end10397
+each.body10395:
   %t8 = load ptr, ptr %a2
   %t9 = getelementptr inbounds %S.docs.Doc, ptr %t8, i64 %t6
   %t10 = load %S.docs.Doc, ptr %t9
@@ -88688,21 +106225,21 @@ each.body9869:
   %t13 = getelementptr inbounds %S.docs.Doc, ptr %a11, i32 0, i32 1
   %t14 = load { ptr, i64, i64 }, ptr %t13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.6677, i64 1, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.6894, i64 1, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_starts(ptr %a15, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %then9872, label %endif9874
-then9872:
+  br i1 %t19, label %then10398, label %endif10400
+then10398:
   store i64 5, ptr %a12
-  br label %endif9874
-endif9874:
+  br label %endif10400
+endif10400:
   %t20 = load ptr, ptr %a1
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic9875, label %ok9876
-panic9875:
-  call void @finch_panic(ptr @.str.6678, i64 497, ptr @.str.6679)
+  br i1 %t21, label %panic10401, label %ok10402
+panic10401:
+  call void @finch_panic(ptr @.str.6895, i64 497, ptr @.str.6896)
   unreachable
-ok9876:
+ok10402:
   %t22 = getelementptr inbounds %S.docs.Doc, ptr %a11, i32 0, i32 0
   %t23 = load { ptr, i64, i64 }, ptr %t22
   %t24 = load i64, ptr %a12
@@ -88712,13 +106249,15 @@ ok9876:
   %t28 = load { ptr, i64, i64 }, ptr %t27
   %t29 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t23, i64 %t24, { ptr, i64, i64 } %t26, { ptr, i64, i64 } %t28)
   call void @finch.json.Json.push(ptr %t20, %S.json.Json %t29)
-  br label %each.step9870
-each.step9870:
-  %t30 = load i64, ptr %a3
-  %t31 = add i64 %t30, 1
-  store i64 %t31, ptr %a3
-  br label %each.cond9868
-each.end9871:
+  store %S.json.Json %t29, ptr %a30
+  call void @finch.drop.S_json_Json(ptr %a30)
+  br label %each.step10396
+each.step10396:
+  %t31 = load i64, ptr %a3
+  %t32 = add i64 %t31, 1
+  store i64 %t32, ptr %a3
+  br label %each.cond10394
+each.end10397:
   ret void
 }
 
@@ -88737,8 +106276,7 @@ entry:
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca %S.lsp.VarRec, align 16
   %a44 = alloca %S.lsp.VarRec, align 16
-  %a49 = alloca %S.lsp.VarRec, align 16
-  %a50 = alloca %S.lsp.VarRec, align 16
+  %a47 = alloca %S.lsp.VarRec, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -88746,14 +106284,14 @@ entry:
   store %S.lsp.VarRec zeroinitializer, ptr %a5
   %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 1
   store i64 0, ptr %a7
-  br label %each.cond9877
-each.cond9877:
+  br label %each.cond10403
+each.cond10403:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load i64, ptr %a7
   %t11 = icmp slt i64 %t10, %t9
-  br i1 %t11, label %each.body9878, label %each.end9880
-each.body9878:
+  br i1 %t11, label %each.body10404, label %each.end10406
+each.body10404:
   %t12 = load ptr, ptr %t6
   %t13 = getelementptr inbounds %S.lsp.VarRec, ptr %t12, i64 %t10
   %t14 = load %S.lsp.VarRec, ptr %t13
@@ -88765,37 +106303,37 @@ each.body9878:
   store { ptr, i64, i64 } %t18, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.from9881
-logic.from9881:
-  br i1 %t22, label %logic.rhs9882, label %logic.end9883
-logic.rhs9882:
+  br label %logic.from10407
+logic.from10407:
+  br i1 %t22, label %logic.rhs10408, label %logic.end10409
+logic.rhs10408:
   %t23 = getelementptr inbounds %S.lsp.VarRec, ptr %a15, i32 0, i32 3
   %t24 = load i64, ptr %t23
   %t25 = load i64, ptr %a4
   %t26 = icmp sle i64 %t24, %t25
-  br label %logic.rend9884
-logic.rend9884:
-  br label %logic.end9883
-logic.end9883:
-  %t27 = phi i1 [ false, %logic.from9881 ], [ %t26, %logic.rend9884 ]
-  br label %logic.from9885
-logic.from9885:
-  br i1 %t27, label %logic.rhs9886, label %logic.end9887
-logic.rhs9886:
+  br label %logic.rend10410
+logic.rend10410:
+  br label %logic.end10409
+logic.end10409:
+  %t27 = phi i1 [ false, %logic.from10407 ], [ %t26, %logic.rend10410 ]
+  br label %logic.from10411
+logic.from10411:
+  br i1 %t27, label %logic.rhs10412, label %logic.end10413
+logic.rhs10412:
   %t28 = load i64, ptr %a4
   %t29 = getelementptr inbounds %S.lsp.VarRec, ptr %a15, i32 0, i32 7
   %t30 = load i64, ptr %t29
   %t31 = add i64 %t30, 1
   %t32 = icmp sle i64 %t28, %t31
-  br label %logic.rend9888
-logic.rend9888:
-  br label %logic.end9887
-logic.end9887:
-  %t33 = phi i1 [ false, %logic.from9885 ], [ %t32, %logic.rend9888 ]
-  br label %logic.from9889
-logic.from9889:
-  br i1 %t33, label %logic.rhs9890, label %logic.end9891
-logic.rhs9890:
+  br label %logic.rend10414
+logic.rend10414:
+  br label %logic.end10413
+logic.end10413:
+  %t33 = phi i1 [ false, %logic.from10411 ], [ %t32, %logic.rend10414 ]
+  br label %logic.from10415
+logic.from10415:
+  br i1 %t33, label %logic.rhs10416, label %logic.end10417
+logic.rhs10416:
   %t34 = getelementptr inbounds %S.lsp.VarRec, ptr %a15, i32 0, i32 5
   %t35 = load { ptr, i64, i64 }, ptr %t34
   %t36 = load { ptr, i64, i64 }, ptr %a2
@@ -88803,32 +106341,40 @@ logic.rhs9890:
   store { ptr, i64, i64 } %t36, ptr %a38
   %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
   %t40 = icmp ne i32 %t39, 0
-  br label %logic.rend9892
-logic.rend9892:
-  br label %logic.end9891
-logic.end9891:
-  %t41 = phi i1 [ false, %logic.from9889 ], [ %t40, %logic.rend9892 ]
-  br i1 %t41, label %then9893, label %endif9895
-then9893:
+  br label %logic.rend10418
+logic.rend10418:
+  br label %logic.end10417
+logic.end10417:
+  %t41 = phi i1 [ false, %logic.from10415 ], [ %t40, %logic.rend10418 ]
+  br i1 %t41, label %then10419, label %endif10421
+then10419:
   %t42 = load %S.lsp.VarRec, ptr %a15
   store %S.lsp.VarRec %t42, ptr %a43
   call void @finch.copy.S_lsp_VarRec(ptr %a44, ptr %a43)
   %t45 = load %S.lsp.VarRec, ptr %a44
+  %t46 = load %S.lsp.VarRec, ptr %a5
   store %S.lsp.VarRec %t45, ptr %a5
-  br label %endif9895
-endif9895:
-  br label %each.step9879
-each.step9879:
-  %t46 = load i64, ptr %a7
-  %t47 = add i64 %t46, 1
-  store i64 %t47, ptr %a7
-  br label %each.cond9877
-each.end9880:
-  %t48 = load %S.lsp.VarRec, ptr %a5
-  store %S.lsp.VarRec %t48, ptr %a49
-  call void @finch.copy.S_lsp_VarRec(ptr %a50, ptr %a49)
-  %t51 = load %S.lsp.VarRec, ptr %a50
-  ret %S.lsp.VarRec %t51
+  store %S.lsp.VarRec %t46, ptr %a47
+  call void @finch.drop.S_lsp_VarRec(ptr %a47)
+  br label %endif10421
+endif10421:
+  br label %each.step10405
+each.step10405:
+  %t48 = load i64, ptr %a7
+  %t49 = add i64 %t48, 1
+  store i64 %t49, ptr %a7
+  br label %each.cond10403
+each.end10406:
+  %t50 = load %S.lsp.VarRec, ptr %a5
+  ret %S.lsp.VarRec %t50
+}
+
+define internal void @finch.drop.S_lsp_Names(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Names, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
+  ret void
 }
 
 define internal %S.json.Json @finch.lsp.completionAt(%S.lsp.Analysis %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, i64 %p3, i64 %p4) {
@@ -88857,114 +106403,144 @@ entry:
   %a109 = alloca i64, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca i64, align 16
-  %a123 = alloca i64, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca i64, align 16
-  %a144 = alloca %S.lsp.FnRec, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca i64, align 16
-  %a173 = alloca %S.lsp.StructRec, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca i64, align 16
-  %a201 = alloca %S.lsp.EnumRec, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca i64, align 16
-  %a231 = alloca %S.lsp.EnumRec, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca i64, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca i64, align 16
+  %a125 = alloca i64, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca i64, align 16
+  %a146 = alloca %S.lsp.FnRec, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca %S.json.Json, align 16
+  %a168 = alloca i64, align 16
+  %a176 = alloca %S.lsp.StructRec, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca %S.json.Json, align 16
+  %a198 = alloca i64, align 16
+  %a206 = alloca %S.lsp.EnumRec, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca %S.json.Json, align 16
+  %a230 = alloca i64, align 16
+  %a238 = alloca %S.lsp.EnumRec, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca %S.lsp.VarRec, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca i64, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca %S.json.Json, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
   %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca %S.lsp.VarRec, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
   %a306 = alloca { ptr, i64, i64 }, align 16
   %a307 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
   %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
   %a353 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca i64, align 16
-  %a365 = alloca %S.lsp.StructRec, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca i64, align 16
-  %a401 = alloca i64, align 16
-  %a409 = alloca %S.lsp.FnRec, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca %S.lsp.Names, align 16
-  %a428 = alloca i64, align 16
-  %a436 = alloca %S.lsp.VarRec, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca i64, align 16
-  %a475 = alloca %S.lsp.FnRec, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca i64, align 16
-  %a507 = alloca %S.lsp.StructRec, align 16
-  %a510 = alloca { ptr, i64, i64 }, align 16
-  %a511 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca i64, align 16
-  %a538 = alloca %S.lsp.EnumRec, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca i64, align 16
+  %a387 = alloca %S.lsp.StructRec, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca i64, align 16
+  %a418 = alloca %S.json.Json, align 16
+  %a424 = alloca i64, align 16
+  %a432 = alloca %S.lsp.FnRec, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca %S.json.Json, align 16
+  %a450 = alloca %S.lsp.Names, align 16
+  %a452 = alloca i64, align 16
+  %a460 = alloca %S.lsp.VarRec, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca %S.json.Json, align 16
+  %a492 = alloca i64, align 16
+  %a500 = alloca %S.lsp.FnRec, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca %S.json.Json, align 16
+  %a525 = alloca i64, align 16
+  %a533 = alloca %S.lsp.StructRec, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
   %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca i64, align 16
+  %a554 = alloca %S.json.Json, align 16
+  %a558 = alloca i64, align 16
+  %a566 = alloca %S.lsp.EnumRec, align 16
   %a569 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca i64, align 16
-  %a586 = alloca %S.docs.Doc, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca i64, align 16
-  %a609 = alloca { ptr, i64, i64 }, align 16
-  %a617 = alloca { ptr, i64, i64 }, align 16
-  %a618 = alloca i64, align 16
-  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca %S.json.Json, align 16
+  %a591 = alloca i64, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca %S.json.Json, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca i64, align 16
+  %a617 = alloca %S.docs.Doc, align 16
+  %a628 = alloca %S.json.Json, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca i64, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca %S.json.Json, align 16
+  %a650 = alloca { ptr, i64, i64 }, align 16
+  %a651 = alloca i64, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -88983,1085 +106559,1170 @@ entry:
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
   %t17 = load i64, ptr %t16
   %t18 = icmp sgt i64 %t15, %t17
-  br i1 %t18, label %then9896, label %endif9898
-then9896:
+  br i1 %t18, label %then10422, label %endif10424
+then10422:
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
   %t20 = load i64, ptr %t19
   store i64 %t20, ptr %a14
-  br label %endif9898
-endif9898:
+  br label %endif10424
+endif10424:
   %t21 = load { ptr, i64, i64 }, ptr %a11
   store { ptr, i64, i64 } %t21, ptr %a22
   %t24 = load i64, ptr %a14
-  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.6680, i64 519)
+  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.6897, i64 519)
   %t25 = load { ptr, i64, i64 }, ptr %a23
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a26, i32 0, i32 1
   %t28 = load i64, ptr %t27
   store i64 %t28, ptr %a29
-  br label %while.cond9899
-while.cond9899:
+  br label %while.cond10425
+while.cond10425:
   %t30 = load i64, ptr %a29
   %t31 = icmp sgt i64 %t30, 0
-  br label %logic.from9902
-logic.from9902:
-  br i1 %t31, label %logic.rhs9903, label %logic.end9904
-logic.rhs9903:
+  br label %logic.from10428
+logic.from10428:
+  br i1 %t31, label %logic.rhs10429, label %logic.end10430
+logic.rhs10429:
   %t32 = load i64, ptr %a29
   %t33 = sub i64 %t32, 1
   %t34 = load { ptr, i64, i64 }, ptr %a26
   %t35 = extractvalue { ptr, i64, i64 } %t34, 1
   %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range9905, label %inrange9906
-range9905:
-  call void @finch_panic_index(ptr @.str.6681, i64 522, i64 %t33, i64 %t35)
+  br i1 %t36, label %range10431, label %inrange10432
+range10431:
+  call void @finch_panic_index(ptr @.str.6898, i64 522, i64 %t33, i64 %t35)
   unreachable
-inrange9906:
+inrange10432:
   %t37 = extractvalue { ptr, i64, i64 } %t34, 0
   %t38 = getelementptr inbounds i8, ptr %t37, i64 %t33
   %t39 = load i8, ptr %t38
   %t40 = call i1 @finch.lsp.isWordChar(i8 %t39)
-  br label %logic.rend9907
-logic.rend9907:
-  br label %logic.end9904
-logic.end9904:
-  %t41 = phi i1 [ false, %logic.from9902 ], [ %t40, %logic.rend9907 ]
-  br i1 %t41, label %while.body9900, label %while.end9901
-while.body9900:
+  br label %logic.rend10433
+logic.rend10433:
+  br label %logic.end10430
+logic.end10430:
+  %t41 = phi i1 [ false, %logic.from10428 ], [ %t40, %logic.rend10433 ]
+  br i1 %t41, label %while.body10426, label %while.end10427
+while.body10426:
   %t42 = load i64, ptr %a29
   %t43 = sub i64 %t42, 1
   store i64 %t43, ptr %a29
-  br label %while.cond9899
-while.end9901:
+  br label %while.cond10425
+while.end10427:
   %t44 = load i64, ptr %a29
   %t45 = icmp sgt i64 %t44, 0
-  br label %logic.from9908
-logic.from9908:
-  br i1 %t45, label %logic.rhs9909, label %logic.end9910
-logic.rhs9909:
+  br label %logic.from10434
+logic.from10434:
+  br i1 %t45, label %logic.rhs10435, label %logic.end10436
+logic.rhs10435:
   %t46 = load i64, ptr %a29
   %t47 = sub i64 %t46, 1
   %t48 = load { ptr, i64, i64 }, ptr %a26
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range9911, label %inrange9912
-range9911:
-  call void @finch_panic_index(ptr @.str.6682, i64 525, i64 %t47, i64 %t49)
+  br i1 %t50, label %range10437, label %inrange10438
+range10437:
+  call void @finch_panic_index(ptr @.str.6899, i64 525, i64 %t47, i64 %t49)
   unreachable
-inrange9912:
+inrange10438:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds i8, ptr %t51, i64 %t47
   %t53 = load i8, ptr %t52
   %t54 = icmp eq i8 %t53, 46
-  br label %logic.rend9913
-logic.rend9913:
-  br label %logic.end9910
-logic.end9910:
-  %t55 = phi i1 [ false, %logic.from9908 ], [ %t54, %logic.rend9913 ]
+  br label %logic.rend10439
+logic.rend10439:
+  br label %logic.end10436
+logic.end10436:
+  %t55 = phi i1 [ false, %logic.from10434 ], [ %t54, %logic.rend10439 ]
   store i1 %t55, ptr %a56
   %t57 = load i1, ptr %a56
-  br i1 %t57, label %then9914, label %endif9916
-then9914:
+  br i1 %t57, label %then10440, label %endif10442
+then10440:
   %t58 = load i64, ptr %a29
   %t59 = sub i64 %t58, 1
   store i64 %t59, ptr %a60
-  br label %while.cond9917
-while.cond9917:
+  br label %while.cond10443
+while.cond10443:
   %t61 = load i64, ptr %a60
   %t62 = icmp sgt i64 %t61, 0
-  br label %logic.from9920
-logic.from9920:
-  br i1 %t62, label %logic.rhs9921, label %logic.end9922
-logic.rhs9921:
+  br label %logic.from10446
+logic.from10446:
+  br i1 %t62, label %logic.rhs10447, label %logic.end10448
+logic.rhs10447:
   %t63 = load i64, ptr %a60
   %t64 = sub i64 %t63, 1
   %t65 = load { ptr, i64, i64 }, ptr %a26
   %t66 = extractvalue { ptr, i64, i64 } %t65, 1
   %t67 = icmp uge i64 %t64, %t66
-  br i1 %t67, label %range9923, label %inrange9924
-range9923:
-  call void @finch_panic_index(ptr @.str.6683, i64 528, i64 %t64, i64 %t66)
+  br i1 %t67, label %range10449, label %inrange10450
+range10449:
+  call void @finch_panic_index(ptr @.str.6900, i64 528, i64 %t64, i64 %t66)
   unreachable
-inrange9924:
+inrange10450:
   %t68 = extractvalue { ptr, i64, i64 } %t65, 0
   %t69 = getelementptr inbounds i8, ptr %t68, i64 %t64
   %t70 = load i8, ptr %t69
   %t71 = call i1 @finch.lsp.isWordChar(i8 %t70)
-  br label %logic.from9925
-logic.from9925:
-  br i1 %t71, label %logic.end9927, label %logic.rhs9926
-logic.rhs9926:
+  br label %logic.from10451
+logic.from10451:
+  br i1 %t71, label %logic.end10453, label %logic.rhs10452
+logic.rhs10452:
   %t72 = load i64, ptr %a60
   %t73 = sub i64 %t72, 1
   %t74 = load { ptr, i64, i64 }, ptr %a26
   %t75 = extractvalue { ptr, i64, i64 } %t74, 1
   %t76 = icmp uge i64 %t73, %t75
-  br i1 %t76, label %range9928, label %inrange9929
-range9928:
-  call void @finch_panic_index(ptr @.str.6684, i64 528, i64 %t73, i64 %t75)
+  br i1 %t76, label %range10454, label %inrange10455
+range10454:
+  call void @finch_panic_index(ptr @.str.6901, i64 528, i64 %t73, i64 %t75)
   unreachable
-inrange9929:
+inrange10455:
   %t77 = extractvalue { ptr, i64, i64 } %t74, 0
   %t78 = getelementptr inbounds i8, ptr %t77, i64 %t73
   %t79 = load i8, ptr %t78
   %t80 = icmp eq i8 %t79, 91
-  br label %logic.rend9930
-logic.rend9930:
-  br label %logic.end9927
-logic.end9927:
-  %t81 = phi i1 [ true, %logic.from9925 ], [ %t80, %logic.rend9930 ]
-  br label %logic.from9931
-logic.from9931:
-  br i1 %t81, label %logic.end9933, label %logic.rhs9932
-logic.rhs9932:
+  br label %logic.rend10456
+logic.rend10456:
+  br label %logic.end10453
+logic.end10453:
+  %t81 = phi i1 [ true, %logic.from10451 ], [ %t80, %logic.rend10456 ]
+  br label %logic.from10457
+logic.from10457:
+  br i1 %t81, label %logic.end10459, label %logic.rhs10458
+logic.rhs10458:
   %t82 = load i64, ptr %a60
   %t83 = sub i64 %t82, 1
   %t84 = load { ptr, i64, i64 }, ptr %a26
   %t85 = extractvalue { ptr, i64, i64 } %t84, 1
   %t86 = icmp uge i64 %t83, %t85
-  br i1 %t86, label %range9934, label %inrange9935
-range9934:
-  call void @finch_panic_index(ptr @.str.6685, i64 528, i64 %t83, i64 %t85)
+  br i1 %t86, label %range10460, label %inrange10461
+range10460:
+  call void @finch_panic_index(ptr @.str.6902, i64 528, i64 %t83, i64 %t85)
   unreachable
-inrange9935:
+inrange10461:
   %t87 = extractvalue { ptr, i64, i64 } %t84, 0
   %t88 = getelementptr inbounds i8, ptr %t87, i64 %t83
   %t89 = load i8, ptr %t88
   %t90 = icmp eq i8 %t89, 93
-  br label %logic.rend9936
-logic.rend9936:
-  br label %logic.end9933
-logic.end9933:
-  %t91 = phi i1 [ true, %logic.from9931 ], [ %t90, %logic.rend9936 ]
-  br label %logic.rend9937
-logic.rend9937:
-  br label %logic.end9922
-logic.end9922:
-  %t92 = phi i1 [ false, %logic.from9920 ], [ %t91, %logic.rend9937 ]
-  br i1 %t92, label %while.body9918, label %while.end9919
-while.body9918:
+  br label %logic.rend10462
+logic.rend10462:
+  br label %logic.end10459
+logic.end10459:
+  %t91 = phi i1 [ true, %logic.from10457 ], [ %t90, %logic.rend10462 ]
+  br label %logic.rend10463
+logic.rend10463:
+  br label %logic.end10448
+logic.end10448:
+  %t92 = phi i1 [ false, %logic.from10446 ], [ %t91, %logic.rend10463 ]
+  br i1 %t92, label %while.body10444, label %while.end10445
+while.body10444:
   %t93 = load i64, ptr %a60
   %t94 = sub i64 %t93, 1
   store i64 %t94, ptr %a60
-  br label %while.cond9917
-while.end9919:
+  br label %while.cond10443
+while.end10445:
   %t95 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t95, ptr %a96
   %t98 = load i64, ptr %a60
   %t99 = load i64, ptr %a29
   %t100 = sub i64 %t99, 1
-  call void @finch_str_sub(ptr %a97, ptr %a96, i64 %t98, i64 %t100, ptr @.str.6686, i64 531)
+  call void @finch_str_sub(ptr %a97, ptr %a96, i64 %t98, i64 %t100, ptr @.str.6903, i64 531)
   %t101 = load { ptr, i64, i64 }, ptr %a97
   store { ptr, i64, i64 } %t101, ptr %a102
   store i1 false, ptr %a103
   %t104 = load { ptr, i64, i64 }, ptr %a102
   store { ptr, i64, i64 } %t104, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.6688, i64 1, i64 0 }, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.6905, i64 1, i64 0 }, ptr %a107
   %t108 = call i64 @finch_str_find(ptr %a105, ptr %a107)
   store i64 %t108, ptr %a109
   %t110 = load i64, ptr %a109
   %t111 = icmp sge i64 %t110, 0
-  br i1 %t111, label %then9938, label %endif9940
-then9938:
+  br i1 %t111, label %then10464, label %endif10466
+then10464:
   %t112 = load { ptr, i64, i64 }, ptr %a102
   store { ptr, i64, i64 } %t112, ptr %a113
   %t115 = load i64, ptr %a109
-  call void @finch_str_sub(ptr %a114, ptr %a113, i64 0, i64 %t115, ptr @.str.6689, i64 535)
+  call void @finch_str_sub(ptr %a114, ptr %a113, i64 0, i64 %t115, ptr @.str.6906, i64 535)
   %t116 = load { ptr, i64, i64 }, ptr %a114
+  %t117 = load { ptr, i64, i64 }, ptr %a102
   store { ptr, i64, i64 } %t116, ptr %a102
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_drop(ptr %a118)
   store i1 true, ptr %a103
-  br label %endif9940
-endif9940:
-  %t117 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
-  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %t117, i32 0, i32 1
-  %t119 = load { ptr, i64, i64 }, ptr %a102
-  store i64 -1, ptr %a120
-  %t121 = load i64, ptr %t118
-  %t122 = load ptr, ptr %t117
-  store i64 0, ptr %a123
-  br label %find.cond9941
-find.cond9941:
-  %t124 = load i64, ptr %a123
-  %t125 = icmp slt i64 %t124, %t121
-  br i1 %t125, label %find.body9942, label %find.end9945
-find.body9942:
-  %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 %t124
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  store { ptr, i64, i64 } %t127, ptr %a128
-  store { ptr, i64, i64 } %t119, ptr %a129
-  %t130 = call i32 @finch_str_eq(ptr %a128, ptr %a129)
-  %t131 = icmp ne i32 %t130, 0
-  br i1 %t131, label %find.hit9943, label %find.next9944
-find.hit9943:
-  store i64 %t124, ptr %a120
-  br label %find.end9945
-find.next9944:
-  %t132 = add i64 %t124, 1
-  store i64 %t132, ptr %a123
-  br label %find.cond9941
-find.end9945:
-  %t133 = load i64, ptr %a120
-  %t134 = icmp sge i64 %t133, 0
-  br i1 %t134, label %then9946, label %endif9948
-then9946:
-  %t135 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a136
-  br label %each.cond9949
-each.cond9949:
-  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
-  %t138 = load i64, ptr %t137
-  %t139 = load i64, ptr %a136
-  %t140 = icmp slt i64 %t139, %t138
-  br i1 %t140, label %each.body9950, label %each.end9952
-each.body9950:
-  %t141 = load ptr, ptr %t135
-  %t142 = getelementptr inbounds %S.lsp.FnRec, ptr %t141, i64 %t139
-  %t143 = load %S.lsp.FnRec, ptr %t142
-  store %S.lsp.FnRec %t143, ptr %a144
-  %t145 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 0
-  %t146 = load { ptr, i64, i64 }, ptr %t145
-  %t147 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t146, ptr %a148
-  store { ptr, i64, i64 } %t147, ptr %a149
-  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
-  %t151 = icmp ne i32 %t150, 0
-  br label %logic.from9953
-logic.from9953:
-  br i1 %t151, label %logic.rhs9954, label %logic.end9955
-logic.rhs9954:
-  %t152 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 2
-  %t153 = getelementptr inbounds { ptr, i64, i64 }, ptr %t152, i32 0, i32 1
-  %t154 = load i64, ptr %t153
-  %t155 = icmp eq i64 %t154, 0
-  br label %logic.rend9956
-logic.rend9956:
-  br label %logic.end9955
-logic.end9955:
-  %t156 = phi i1 [ false, %logic.from9953 ], [ %t155, %logic.rend9956 ]
-  br i1 %t156, label %then9957, label %endif9959
-then9957:
-  %t157 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 1
-  %t158 = load { ptr, i64, i64 }, ptr %t157
-  %t159 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 7
+  br label %endif10466
+endif10466:
+  %t119 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %a102
+  store i64 -1, ptr %a122
+  %t123 = load i64, ptr %t120
+  %t124 = load ptr, ptr %t119
+  store i64 0, ptr %a125
+  br label %find.cond10467
+find.cond10467:
+  %t126 = load i64, ptr %a125
+  %t127 = icmp slt i64 %t126, %t123
+  br i1 %t127, label %find.body10468, label %find.end10471
+find.body10468:
+  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i64 %t126
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  store { ptr, i64, i64 } %t121, ptr %a131
+  %t132 = call i32 @finch_str_eq(ptr %a130, ptr %a131)
+  %t133 = icmp ne i32 %t132, 0
+  br i1 %t133, label %find.hit10469, label %find.next10470
+find.hit10469:
+  store i64 %t126, ptr %a122
+  br label %find.end10471
+find.next10470:
+  %t134 = add i64 %t126, 1
+  store i64 %t134, ptr %a125
+  br label %find.cond10467
+find.end10471:
+  %t135 = load i64, ptr %a122
+  %t136 = icmp sge i64 %t135, 0
+  br i1 %t136, label %then10472, label %endif10474
+then10472:
+  %t137 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a138
+  br label %each.cond10475
+each.cond10475:
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
+  %t140 = load i64, ptr %t139
+  %t141 = load i64, ptr %a138
+  %t142 = icmp slt i64 %t141, %t140
+  br i1 %t142, label %each.body10476, label %each.end10478
+each.body10476:
+  %t143 = load ptr, ptr %t137
+  %t144 = getelementptr inbounds %S.lsp.FnRec, ptr %t143, i64 %t141
+  %t145 = load %S.lsp.FnRec, ptr %t144
+  store %S.lsp.FnRec %t145, ptr %a146
+  %t147 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 0
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  %t149 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t148, ptr %a150
+  store { ptr, i64, i64 } %t149, ptr %a151
+  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
+  %t153 = icmp ne i32 %t152, 0
+  br label %logic.from10479
+logic.from10479:
+  br i1 %t153, label %logic.rhs10480, label %logic.end10481
+logic.rhs10480:
+  %t154 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 2
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i32 0, i32 1
+  %t156 = load i64, ptr %t155
+  %t157 = icmp eq i64 %t156, 0
+  br label %logic.rend10482
+logic.rend10482:
+  br label %logic.end10481
+logic.end10481:
+  %t158 = phi i1 [ false, %logic.from10479 ], [ %t157, %logic.rend10482 ]
+  br i1 %t158, label %then10483, label %endif10485
+then10483:
+  %t159 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 1
   %t160 = load { ptr, i64, i64 }, ptr %t159
-  %t161 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t158, i64 3, { ptr, i64, i64 } %t160, { ptr, i64, i64 } { ptr @.str.6690, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t161)
-  br label %endif9959
-endif9959:
-  br label %each.step9951
-each.step9951:
-  %t162 = load i64, ptr %a136
-  %t163 = add i64 %t162, 1
-  store i64 %t163, ptr %a136
-  br label %each.cond9949
-each.end9952:
-  %t164 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a165
-  br label %each.cond9960
-each.cond9960:
-  %t166 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i32 0, i32 1
-  %t167 = load i64, ptr %t166
-  %t168 = load i64, ptr %a165
-  %t169 = icmp slt i64 %t168, %t167
-  br i1 %t169, label %each.body9961, label %each.end9963
-each.body9961:
-  %t170 = load ptr, ptr %t164
-  %t171 = getelementptr inbounds %S.lsp.StructRec, ptr %t170, i64 %t168
-  %t172 = load %S.lsp.StructRec, ptr %t171
-  store %S.lsp.StructRec %t172, ptr %a173
-  %t174 = getelementptr inbounds %S.lsp.StructRec, ptr %a173, i32 0, i32 0
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  %t176 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } %t176, ptr %a178
-  %t179 = call i32 @finch_str_eq(ptr %a177, ptr %a178)
-  %t180 = icmp ne i32 %t179, 0
-  br i1 %t180, label %then9964, label %endif9966
-then9964:
-  %t181 = getelementptr inbounds %S.lsp.StructRec, ptr %a173, i32 0, i32 1
-  %t182 = load { ptr, i64, i64 }, ptr %t181
-  %t183 = getelementptr inbounds %S.lsp.StructRec, ptr %a173, i32 0, i32 1
-  %t184 = load { ptr, i64, i64 }, ptr %t183
-  store { ptr, i64, i64 } { ptr @.str.6691, i64 7, i64 0 }, ptr %a186
-  store { ptr, i64, i64 } %t184, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  %t189 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t182, i64 22, { ptr, i64, i64 } %t188, { ptr, i64, i64 } { ptr @.str.6692, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t189)
-  br label %endif9966
-endif9966:
-  br label %each.step9962
-each.step9962:
-  %t190 = load i64, ptr %a165
-  %t191 = add i64 %t190, 1
-  store i64 %t191, ptr %a165
-  br label %each.cond9960
-each.end9963:
-  %t192 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a193
-  br label %each.cond9967
-each.cond9967:
-  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %t192, i32 0, i32 1
-  %t195 = load i64, ptr %t194
-  %t196 = load i64, ptr %a193
-  %t197 = icmp slt i64 %t196, %t195
-  br i1 %t197, label %each.body9968, label %each.end9970
-each.body9968:
-  %t198 = load ptr, ptr %t192
-  %t199 = getelementptr inbounds %S.lsp.EnumRec, ptr %t198, i64 %t196
-  %t200 = load %S.lsp.EnumRec, ptr %t199
-  store %S.lsp.EnumRec %t200, ptr %a201
-  %t202 = getelementptr inbounds %S.lsp.EnumRec, ptr %a201, i32 0, i32 0
-  %t203 = load { ptr, i64, i64 }, ptr %t202
-  %t204 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } %t204, ptr %a206
-  %t207 = call i32 @finch_str_eq(ptr %a205, ptr %a206)
-  %t208 = icmp ne i32 %t207, 0
-  br i1 %t208, label %then9971, label %endif9973
-then9971:
-  %t209 = getelementptr inbounds %S.lsp.EnumRec, ptr %a201, i32 0, i32 1
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  %t211 = getelementptr inbounds %S.lsp.EnumRec, ptr %a201, i32 0, i32 1
-  %t212 = load { ptr, i64, i64 }, ptr %t211
-  store { ptr, i64, i64 } { ptr @.str.6693, i64 5, i64 0 }, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  %t217 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t210, i64 13, { ptr, i64, i64 } %t216, { ptr, i64, i64 } { ptr @.str.6694, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t217)
-  br label %endif9973
-endif9973:
-  br label %each.step9969
-each.step9969:
-  %t218 = load i64, ptr %a193
-  %t219 = add i64 %t218, 1
-  store i64 %t219, ptr %a193
-  br label %each.cond9967
-each.end9970:
-  %t220 = load %S.json.Json, ptr %a7
-  %t221 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t220)
-  ret %S.json.Json %t221
-endif9948:
-  %t222 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a223
-  br label %each.cond9974
-each.cond9974:
-  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i32 0, i32 1
-  %t225 = load i64, ptr %t224
-  %t226 = load i64, ptr %a223
-  %t227 = icmp slt i64 %t226, %t225
-  br i1 %t227, label %each.body9975, label %each.end9977
-each.body9975:
-  %t228 = load ptr, ptr %t222
-  %t229 = getelementptr inbounds %S.lsp.EnumRec, ptr %t228, i64 %t226
-  %t230 = load %S.lsp.EnumRec, ptr %t229
-  store %S.lsp.EnumRec %t230, ptr %a231
-  %t232 = getelementptr inbounds %S.lsp.EnumRec, ptr %a231, i32 0, i32 1
-  %t233 = load { ptr, i64, i64 }, ptr %t232
-  %t234 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t233, ptr %a235
-  store { ptr, i64, i64 } %t234, ptr %a236
-  %t237 = call i32 @finch_str_eq(ptr %a235, ptr %a236)
-  %t238 = icmp ne i32 %t237, 0
-  br label %logic.from9978
-logic.from9978:
-  br i1 %t238, label %logic.rhs9979, label %logic.end9980
-logic.rhs9979:
-  %t239 = load %S.lsp.Analysis, ptr %a1
-  %t240 = load { ptr, i64, i64 }, ptr %a3
+  %t161 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 7
+  %t162 = load { ptr, i64, i64 }, ptr %t161
+  %t163 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t160, i64 3, { ptr, i64, i64 } %t162, { ptr, i64, i64 } { ptr @.str.6907, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t163)
+  store %S.json.Json %t163, ptr %a164
+  call void @finch.drop.S_json_Json(ptr %a164)
+  br label %endif10485
+endif10485:
+  br label %each.step10477
+each.step10477:
+  %t165 = load i64, ptr %a138
+  %t166 = add i64 %t165, 1
+  store i64 %t166, ptr %a138
+  br label %each.cond10475
+each.end10478:
+  %t167 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a168
+  br label %each.cond10486
+each.cond10486:
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
+  %t170 = load i64, ptr %t169
+  %t171 = load i64, ptr %a168
+  %t172 = icmp slt i64 %t171, %t170
+  br i1 %t172, label %each.body10487, label %each.end10489
+each.body10487:
+  %t173 = load ptr, ptr %t167
+  %t174 = getelementptr inbounds %S.lsp.StructRec, ptr %t173, i64 %t171
+  %t175 = load %S.lsp.StructRec, ptr %t174
+  store %S.lsp.StructRec %t175, ptr %a176
+  %t177 = getelementptr inbounds %S.lsp.StructRec, ptr %a176, i32 0, i32 0
+  %t178 = load { ptr, i64, i64 }, ptr %t177
+  %t179 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } %t179, ptr %a181
+  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
+  %t183 = icmp ne i32 %t182, 0
+  br i1 %t183, label %then10490, label %endif10492
+then10490:
+  %t184 = getelementptr inbounds %S.lsp.StructRec, ptr %a176, i32 0, i32 1
+  %t185 = load { ptr, i64, i64 }, ptr %t184
+  %t186 = getelementptr inbounds %S.lsp.StructRec, ptr %a176, i32 0, i32 1
+  %t187 = load { ptr, i64, i64 }, ptr %t186
+  store { ptr, i64, i64 } { ptr @.str.6908, i64 7, i64 0 }, ptr %a189
+  store { ptr, i64, i64 } %t187, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a188
+  %t192 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t185, i64 22, { ptr, i64, i64 } %t191, { ptr, i64, i64 } { ptr @.str.6909, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t192)
+  store %S.json.Json %t192, ptr %a194
+  call void @finch.drop.S_json_Json(ptr %a194)
+  br label %endif10492
+endif10492:
+  br label %each.step10488
+each.step10488:
+  %t195 = load i64, ptr %a168
+  %t196 = add i64 %t195, 1
+  store i64 %t196, ptr %a168
+  br label %each.cond10486
+each.end10489:
+  %t197 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a198
+  br label %each.cond10493
+each.cond10493:
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t197, i32 0, i32 1
+  %t200 = load i64, ptr %t199
+  %t201 = load i64, ptr %a198
+  %t202 = icmp slt i64 %t201, %t200
+  br i1 %t202, label %each.body10494, label %each.end10496
+each.body10494:
+  %t203 = load ptr, ptr %t197
+  %t204 = getelementptr inbounds %S.lsp.EnumRec, ptr %t203, i64 %t201
+  %t205 = load %S.lsp.EnumRec, ptr %t204
+  store %S.lsp.EnumRec %t205, ptr %a206
+  %t207 = getelementptr inbounds %S.lsp.EnumRec, ptr %a206, i32 0, i32 0
+  %t208 = load { ptr, i64, i64 }, ptr %t207
+  %t209 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t208, ptr %a210
+  store { ptr, i64, i64 } %t209, ptr %a211
+  %t212 = call i32 @finch_str_eq(ptr %a210, ptr %a211)
+  %t213 = icmp ne i32 %t212, 0
+  br i1 %t213, label %then10497, label %endif10499
+then10497:
+  %t214 = getelementptr inbounds %S.lsp.EnumRec, ptr %a206, i32 0, i32 1
+  %t215 = load { ptr, i64, i64 }, ptr %t214
+  %t216 = getelementptr inbounds %S.lsp.EnumRec, ptr %a206, i32 0, i32 1
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } { ptr @.str.6910, i64 5, i64 0 }, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a218
+  %t222 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t215, i64 13, { ptr, i64, i64 } %t221, { ptr, i64, i64 } { ptr @.str.6911, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t221, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t222)
+  store %S.json.Json %t222, ptr %a224
+  call void @finch.drop.S_json_Json(ptr %a224)
+  br label %endif10499
+endif10499:
+  br label %each.step10495
+each.step10495:
+  %t225 = load i64, ptr %a198
+  %t226 = add i64 %t225, 1
+  store i64 %t226, ptr %a198
+  br label %each.cond10493
+each.end10496:
+  %t227 = load %S.json.Json, ptr %a7
+  %t228 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t227)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t228
+endif10474:
+  %t229 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a230
+  br label %each.cond10500
+each.cond10500:
+  %t231 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i32 0, i32 1
+  %t232 = load i64, ptr %t231
+  %t233 = load i64, ptr %a230
+  %t234 = icmp slt i64 %t233, %t232
+  br i1 %t234, label %each.body10501, label %each.end10503
+each.body10501:
+  %t235 = load ptr, ptr %t229
+  %t236 = getelementptr inbounds %S.lsp.EnumRec, ptr %t235, i64 %t233
+  %t237 = load %S.lsp.EnumRec, ptr %t236
+  store %S.lsp.EnumRec %t237, ptr %a238
+  %t239 = getelementptr inbounds %S.lsp.EnumRec, ptr %a238, i32 0, i32 1
+  %t240 = load { ptr, i64, i64 }, ptr %t239
   %t241 = load { ptr, i64, i64 }, ptr %a102
-  %t242 = load i64, ptr %a4
-  %t243 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t239, { ptr, i64, i64 } %t240, { ptr, i64, i64 } %t241, i64 %t242)
-  %t244 = extractvalue %S.lsp.VarRec %t243, 0
-  store { ptr, i64, i64 } %t244, ptr %a245
-  call void @finch_str_copy(ptr %a246, ptr %a245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  %t248 = extractvalue { ptr, i64, i64 } %t247, 1
-  %t249 = icmp eq i64 %t248, 0
-  br label %logic.rend9981
-logic.rend9981:
-  br label %logic.end9980
-logic.end9980:
-  %t250 = phi i1 [ false, %logic.from9978 ], [ %t249, %logic.rend9981 ]
-  br i1 %t250, label %then9982, label %endif9984
-then9982:
-  %t251 = getelementptr inbounds %S.lsp.EnumRec, ptr %a231, i32 0, i32 5
-  store i64 0, ptr %a252
-  br label %each.cond9985
-each.cond9985:
-  %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t251, i32 0, i32 1
-  %t254 = load i64, ptr %t253
-  %t255 = load i64, ptr %a252
-  %t256 = icmp slt i64 %t255, %t254
-  br i1 %t256, label %each.body9986, label %each.end9988
-each.body9986:
-  %t257 = load ptr, ptr %t251
-  %t258 = getelementptr inbounds { ptr, i64, i64 }, ptr %t257, i64 %t255
-  %t259 = load { ptr, i64, i64 }, ptr %t258
-  store { ptr, i64, i64 } %t259, ptr %a260
-  %t261 = load { ptr, i64, i64 }, ptr %a260
-  %t262 = getelementptr inbounds %S.lsp.EnumRec, ptr %a231, i32 0, i32 1
-  %t263 = load { ptr, i64, i64 }, ptr %t262
-  store { ptr, i64, i64 } %t263, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.6695, i64 1, i64 0 }, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
-  %t268 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t267, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  %t273 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t261, i64 20, { ptr, i64, i64 } %t272, { ptr, i64, i64 } { ptr @.str.6696, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t273)
-  br label %each.step9987
-each.step9987:
-  %t274 = load i64, ptr %a252
-  %t275 = add i64 %t274, 1
-  store i64 %t275, ptr %a252
-  br label %each.cond9985
-each.end9988:
-  %t276 = load %S.json.Json, ptr %a7
-  %t277 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t276)
-  ret %S.json.Json %t277
-endif9984:
-  br label %each.step9976
-each.step9976:
-  %t278 = load i64, ptr %a223
-  %t279 = add i64 %t278, 1
-  store i64 %t279, ptr %a223
-  br label %each.cond9974
-each.end9977:
-  %t280 = load %S.lsp.Analysis, ptr %a1
-  %t281 = load { ptr, i64, i64 }, ptr %a3
-  %t282 = load { ptr, i64, i64 }, ptr %a102
-  %t283 = load i64, ptr %a4
-  %t284 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t280, { ptr, i64, i64 } %t281, { ptr, i64, i64 } %t282, i64 %t283)
-  %t285 = extractvalue %S.lsp.VarRec %t284, 1
-  store { ptr, i64, i64 } %t285, ptr %a286
-  call void @finch_str_copy(ptr %a287, ptr %a286)
-  %t288 = load { ptr, i64, i64 }, ptr %a287
-  store { ptr, i64, i64 } %t288, ptr %a289
-  %t290 = load i1, ptr %a103
-  br label %logic.from9989
-logic.from9989:
-  br i1 %t290, label %logic.rhs9990, label %logic.end9991
-logic.rhs9990:
-  %t291 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t291, ptr %a292
-  store { ptr, i64, i64 } { ptr @.str.6698, i64 2, i64 0 }, ptr %a294
-  %t295 = call i32 @finch_str_starts(ptr %a292, ptr %a294)
-  %t296 = icmp ne i32 %t295, 0
-  br label %logic.rend9992
-logic.rend9992:
-  br label %logic.end9991
-logic.end9991:
-  %t297 = phi i1 [ false, %logic.from9989 ], [ %t296, %logic.rend9992 ]
-  br i1 %t297, label %then9993, label %else9994
-then9993:
-  %t298 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t298, ptr %a299
-  %t301 = getelementptr inbounds { ptr, i64, i64 }, ptr %a289, i32 0, i32 1
-  %t302 = load i64, ptr %t301
-  call void @finch_str_sub(ptr %a300, ptr %a299, i64 2, i64 %t302, ptr @.str.6699, i64 569)
-  %t303 = load { ptr, i64, i64 }, ptr %a300
-  store { ptr, i64, i64 } %t303, ptr %a289
-  br label %endif9995
-else9994:
-  %t304 = load i1, ptr %a103
-  br label %logic.from9996
-logic.from9996:
-  br i1 %t304, label %logic.rhs9997, label %logic.end9998
-logic.rhs9997:
-  %t305 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t305, ptr %a306
-  store { ptr, i64, i64 } { ptr @.str.6700, i64 3, i64 0 }, ptr %a307
-  %t308 = call i32 @finch_str_eq(ptr %a306, ptr %a307)
+  store { ptr, i64, i64 } %t240, ptr %a242
+  store { ptr, i64, i64 } %t241, ptr %a243
+  %t244 = call i32 @finch_str_eq(ptr %a242, ptr %a243)
+  %t245 = icmp ne i32 %t244, 0
+  br label %logic.from10504
+logic.from10504:
+  br i1 %t245, label %logic.rhs10505, label %logic.end10506
+logic.rhs10505:
+  %t246 = load %S.lsp.Analysis, ptr %a1
+  %t247 = load { ptr, i64, i64 }, ptr %a3
+  %t248 = load { ptr, i64, i64 }, ptr %a102
+  %t249 = load i64, ptr %a4
+  %t250 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t246, { ptr, i64, i64 } %t247, { ptr, i64, i64 } %t248, i64 %t249)
+  %t251 = extractvalue %S.lsp.VarRec %t250, 0
+  store { ptr, i64, i64 } %t251, ptr %a252
+  call void @finch_str_copy(ptr %a253, ptr %a252)
+  %t254 = load { ptr, i64, i64 }, ptr %a253
+  store %S.lsp.VarRec %t250, ptr %a255
+  call void @finch.drop.S_lsp_VarRec(ptr %a255)
+  %t256 = extractvalue { ptr, i64, i64 } %t254, 1
+  store { ptr, i64, i64 } %t254, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  %t258 = icmp eq i64 %t256, 0
+  br label %logic.rend10507
+logic.rend10507:
+  br label %logic.end10506
+logic.end10506:
+  %t259 = phi i1 [ false, %logic.from10504 ], [ %t258, %logic.rend10507 ]
+  br i1 %t259, label %then10508, label %endif10510
+then10508:
+  %t260 = getelementptr inbounds %S.lsp.EnumRec, ptr %a238, i32 0, i32 5
+  store i64 0, ptr %a261
+  br label %each.cond10511
+each.cond10511:
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t260, i32 0, i32 1
+  %t263 = load i64, ptr %t262
+  %t264 = load i64, ptr %a261
+  %t265 = icmp slt i64 %t264, %t263
+  br i1 %t265, label %each.body10512, label %each.end10514
+each.body10512:
+  %t266 = load ptr, ptr %t260
+  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t266, i64 %t264
+  %t268 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t268, ptr %a269
+  %t270 = load { ptr, i64, i64 }, ptr %a269
+  %t271 = getelementptr inbounds %S.lsp.EnumRec, ptr %a238, i32 0, i32 1
+  %t272 = load { ptr, i64, i64 }, ptr %t271
+  store { ptr, i64, i64 } %t272, ptr %a274
+  store { ptr, i64, i64 } { ptr @.str.6912, i64 1, i64 0 }, ptr %a275
+  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a273
+  %t277 = load { ptr, i64, i64 }, ptr %a269
+  store { ptr, i64, i64 } %t276, ptr %a279
+  store { ptr, i64, i64 } %t277, ptr %a280
+  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
+  store { ptr, i64, i64 } %t276, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  %t282 = load { ptr, i64, i64 }, ptr %a278
+  %t283 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t270, i64 20, { ptr, i64, i64 } %t282, { ptr, i64, i64 } { ptr @.str.6913, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t282, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t283)
+  store %S.json.Json %t283, ptr %a285
+  call void @finch.drop.S_json_Json(ptr %a285)
+  br label %each.step10513
+each.step10513:
+  %t286 = load i64, ptr %a261
+  %t287 = add i64 %t286, 1
+  store i64 %t287, ptr %a261
+  br label %each.cond10511
+each.end10514:
+  %t288 = load %S.json.Json, ptr %a7
+  %t289 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t288)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t289
+endif10510:
+  br label %each.step10502
+each.step10502:
+  %t290 = load i64, ptr %a230
+  %t291 = add i64 %t290, 1
+  store i64 %t291, ptr %a230
+  br label %each.cond10500
+each.end10503:
+  %t292 = load %S.lsp.Analysis, ptr %a1
+  %t293 = load { ptr, i64, i64 }, ptr %a3
+  %t294 = load { ptr, i64, i64 }, ptr %a102
+  %t295 = load i64, ptr %a4
+  %t296 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t292, { ptr, i64, i64 } %t293, { ptr, i64, i64 } %t294, i64 %t295)
+  %t297 = extractvalue %S.lsp.VarRec %t296, 1
+  store { ptr, i64, i64 } %t297, ptr %a298
+  call void @finch_str_copy(ptr %a299, ptr %a298)
+  %t300 = load { ptr, i64, i64 }, ptr %a299
+  store %S.lsp.VarRec %t296, ptr %a301
+  call void @finch.drop.S_lsp_VarRec(ptr %a301)
+  store { ptr, i64, i64 } %t300, ptr %a302
+  %t303 = load i1, ptr %a103
+  br label %logic.from10515
+logic.from10515:
+  br i1 %t303, label %logic.rhs10516, label %logic.end10517
+logic.rhs10516:
+  %t304 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t304, ptr %a305
+  store { ptr, i64, i64 } { ptr @.str.6915, i64 2, i64 0 }, ptr %a307
+  %t308 = call i32 @finch_str_starts(ptr %a305, ptr %a307)
   %t309 = icmp ne i32 %t308, 0
-  br label %logic.rend9999
-logic.rend9999:
-  br label %logic.end9998
-logic.end9998:
-  %t310 = phi i1 [ false, %logic.from9996 ], [ %t309, %logic.rend9999 ]
-  br i1 %t310, label %then10000, label %endif10002
-then10000:
-  store { ptr, i64, i64 } { ptr @.str.6701, i64 4, i64 0 }, ptr %a289
-  br label %endif10002
-endif10002:
-  br label %endif9995
-endif9995:
-  %t311 = load { ptr, i64, i64 }, ptr %a289
+  br label %logic.rend10518
+logic.rend10518:
+  br label %logic.end10517
+logic.end10517:
+  %t310 = phi i1 [ false, %logic.from10515 ], [ %t309, %logic.rend10518 ]
+  br i1 %t310, label %then10519, label %else10520
+then10519:
+  %t311 = load { ptr, i64, i64 }, ptr %a302
   store { ptr, i64, i64 } %t311, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.6703, i64 4, i64 0 }, ptr %a314
-  %t315 = call i32 @finch_str_starts(ptr %a312, ptr %a314)
-  %t316 = icmp ne i32 %t315, 0
-  br label %logic.from10003
-logic.from10003:
-  br i1 %t316, label %logic.rhs10004, label %logic.end10005
-logic.rhs10004:
-  %t317 = load { ptr, i64, i64 }, ptr %a289
+  %t314 = getelementptr inbounds { ptr, i64, i64 }, ptr %a302, i32 0, i32 1
+  %t315 = load i64, ptr %t314
+  call void @finch_str_sub(ptr %a313, ptr %a312, i64 2, i64 %t315, ptr @.str.6916, i64 569)
+  %t316 = load { ptr, i64, i64 }, ptr %a313
+  %t317 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t316, ptr %a302
   store { ptr, i64, i64 } %t317, ptr %a318
-  store { ptr, i64, i64 } { ptr @.str.6705, i64 1, i64 0 }, ptr %a320
-  %t321 = call i32 @finch_str_ends(ptr %a318, ptr %a320)
-  %t322 = icmp ne i32 %t321, 0
-  br label %logic.rend10006
-logic.rend10006:
-  br label %logic.end10005
-logic.end10005:
-  %t323 = phi i1 [ false, %logic.from10003 ], [ %t322, %logic.rend10006 ]
-  br i1 %t323, label %then10007, label %endif10009
-then10007:
-  %t324 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t324, ptr %a325
-  %t327 = getelementptr inbounds { ptr, i64, i64 }, ptr %a289, i32 0, i32 1
-  %t328 = load i64, ptr %t327
-  %t329 = sub i64 %t328, 1
-  call void @finch_str_sub(ptr %a326, ptr %a325, i64 4, i64 %t329, ptr @.str.6706, i64 574)
-  %t330 = load { ptr, i64, i64 }, ptr %a326
-  store { ptr, i64, i64 } %t330, ptr %a289
-  br label %endif10009
-endif10009:
-  %t331 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t331, ptr %a332
-  store { ptr, i64, i64 } { ptr @.str.6708, i64 2, i64 0 }, ptr %a334
-  %t335 = call i32 @finch_str_starts(ptr %a332, ptr %a334)
-  %t336 = icmp ne i32 %t335, 0
-  br i1 %t336, label %then10010, label %else10011
-then10010:
-  %t337 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
-  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t337)
-  br label %endif10012
-else10011:
-  %t338 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t338, ptr %a339
-  store { ptr, i64, i64 } { ptr @.str.6709, i64 3, i64 0 }, ptr %a340
-  %t341 = call i32 @finch_str_eq(ptr %a339, ptr %a340)
-  %t342 = icmp ne i32 %t341, 0
-  br i1 %t342, label %then10013, label %else10014
-then10013:
-  %t343 = call { ptr, i64, i64 } @finch.docs.strMethods()
-  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t343)
-  br label %endif10015
-else10014:
-  %t344 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t344, ptr %a345
-  store { ptr, i64, i64 } { ptr @.str.6711, i64 4, i64 0 }, ptr %a347
-  %t348 = call i32 @finch_str_starts(ptr %a345, ptr %a347)
-  %t349 = icmp ne i32 %t348, 0
-  br i1 %t349, label %then10016, label %else10017
-then10016:
-  %t350 = call { ptr, i64, i64 } @finch.docs.mapMethods()
-  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t350)
-  br label %endif10018
-else10017:
-  %t351 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t351, ptr %a352
-  call void @finch_str_copy(ptr %a353, ptr %a352)
-  %t354 = load { ptr, i64, i64 }, ptr %a353
-  store { ptr, i64, i64 } %t354, ptr %a355
-  %t356 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a357
-  br label %each.cond10019
-each.cond10019:
-  %t358 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
-  %t359 = load i64, ptr %t358
-  %t360 = load i64, ptr %a357
-  %t361 = icmp slt i64 %t360, %t359
-  br i1 %t361, label %each.body10020, label %each.end10022
-each.body10020:
-  %t362 = load ptr, ptr %t356
-  %t363 = getelementptr inbounds %S.lsp.StructRec, ptr %t362, i64 %t360
-  %t364 = load %S.lsp.StructRec, ptr %t363
-  store %S.lsp.StructRec %t364, ptr %a365
-  %t366 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 1
-  %t367 = load { ptr, i64, i64 }, ptr %t366
-  %t368 = load { ptr, i64, i64 }, ptr %a355
-  store { ptr, i64, i64 } %t367, ptr %a369
-  store { ptr, i64, i64 } %t368, ptr %a370
-  %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
-  %t372 = icmp ne i32 %t371, 0
-  br i1 %t372, label %then10023, label %endif10025
-then10023:
-  %t373 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 5
-  %t374 = getelementptr inbounds { ptr, i64, i64 }, ptr %t373, i32 0, i32 1
-  %t375 = load i64, ptr %t374
-  store i64 0, ptr %a376
-  br label %for.cond10026
-for.cond10026:
-  %t377 = load i64, ptr %a376
-  %t378 = icmp slt i64 %t377, %t375
-  br i1 %t378, label %for.body10027, label %for.end10029
-for.body10027:
-  %t379 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 5
-  %t380 = load i64, ptr %a376
-  %t381 = load { ptr, i64, i64 }, ptr %t379
-  %t382 = extractvalue { ptr, i64, i64 } %t381, 1
-  %t383 = icmp uge i64 %t380, %t382
-  br i1 %t383, label %range10030, label %inrange10031
-range10030:
-  call void @finch_panic_index(ptr @.str.6712, i64 587, i64 %t380, i64 %t382)
+  call void @finch_str_drop(ptr %a318)
+  br label %endif10521
+else10520:
+  %t319 = load i1, ptr %a103
+  br label %logic.from10522
+logic.from10522:
+  br i1 %t319, label %logic.rhs10523, label %logic.end10524
+logic.rhs10523:
+  %t320 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t320, ptr %a321
+  store { ptr, i64, i64 } { ptr @.str.6917, i64 3, i64 0 }, ptr %a322
+  %t323 = call i32 @finch_str_eq(ptr %a321, ptr %a322)
+  %t324 = icmp ne i32 %t323, 0
+  br label %logic.rend10525
+logic.rend10525:
+  br label %logic.end10524
+logic.end10524:
+  %t325 = phi i1 [ false, %logic.from10522 ], [ %t324, %logic.rend10525 ]
+  br i1 %t325, label %then10526, label %endif10528
+then10526:
+  %t326 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } { ptr @.str.6918, i64 4, i64 0 }, ptr %a302
+  store { ptr, i64, i64 } %t326, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  br label %endif10528
+endif10528:
+  br label %endif10521
+endif10521:
+  %t328 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t328, ptr %a329
+  store { ptr, i64, i64 } { ptr @.str.6920, i64 4, i64 0 }, ptr %a331
+  %t332 = call i32 @finch_str_starts(ptr %a329, ptr %a331)
+  %t333 = icmp ne i32 %t332, 0
+  br label %logic.from10529
+logic.from10529:
+  br i1 %t333, label %logic.rhs10530, label %logic.end10531
+logic.rhs10530:
+  %t334 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t334, ptr %a335
+  store { ptr, i64, i64 } { ptr @.str.6922, i64 1, i64 0 }, ptr %a337
+  %t338 = call i32 @finch_str_ends(ptr %a335, ptr %a337)
+  %t339 = icmp ne i32 %t338, 0
+  br label %logic.rend10532
+logic.rend10532:
+  br label %logic.end10531
+logic.end10531:
+  %t340 = phi i1 [ false, %logic.from10529 ], [ %t339, %logic.rend10532 ]
+  br i1 %t340, label %then10533, label %endif10535
+then10533:
+  %t341 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t341, ptr %a342
+  %t344 = getelementptr inbounds { ptr, i64, i64 }, ptr %a302, i32 0, i32 1
+  %t345 = load i64, ptr %t344
+  %t346 = sub i64 %t345, 1
+  call void @finch_str_sub(ptr %a343, ptr %a342, i64 4, i64 %t346, ptr @.str.6923, i64 574)
+  %t347 = load { ptr, i64, i64 }, ptr %a343
+  %t348 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t347, ptr %a302
+  store { ptr, i64, i64 } %t348, ptr %a349
+  call void @finch_str_drop(ptr %a349)
+  br label %endif10535
+endif10535:
+  %t350 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t350, ptr %a351
+  store { ptr, i64, i64 } { ptr @.str.6925, i64 2, i64 0 }, ptr %a353
+  %t354 = call i32 @finch_str_starts(ptr %a351, ptr %a353)
+  %t355 = icmp ne i32 %t354, 0
+  br i1 %t355, label %then10536, label %else10537
+then10536:
+  %t356 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
+  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t356)
+  store { ptr, i64, i64 } %t356, ptr %a357
+  call void @finch.drop.arr_S_docs_Doc(ptr %a357)
+  br label %endif10538
+else10537:
+  %t358 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t358, ptr %a359
+  store { ptr, i64, i64 } { ptr @.str.6926, i64 3, i64 0 }, ptr %a360
+  %t361 = call i32 @finch_str_eq(ptr %a359, ptr %a360)
+  %t362 = icmp ne i32 %t361, 0
+  br i1 %t362, label %then10539, label %else10540
+then10539:
+  %t363 = call { ptr, i64, i64 } @finch.docs.strMethods()
+  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t363)
+  store { ptr, i64, i64 } %t363, ptr %a364
+  call void @finch.drop.arr_S_docs_Doc(ptr %a364)
+  br label %endif10541
+else10540:
+  %t365 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t365, ptr %a366
+  store { ptr, i64, i64 } { ptr @.str.6928, i64 4, i64 0 }, ptr %a368
+  %t369 = call i32 @finch_str_starts(ptr %a366, ptr %a368)
+  %t370 = icmp ne i32 %t369, 0
+  br i1 %t370, label %then10542, label %else10543
+then10542:
+  %t371 = call { ptr, i64, i64 } @finch.docs.mapMethods()
+  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t371)
+  store { ptr, i64, i64 } %t371, ptr %a372
+  call void @finch.drop.arr_S_docs_Doc(ptr %a372)
+  br label %endif10544
+else10543:
+  %t373 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t373, ptr %a374
+  call void @finch_str_copy(ptr %a375, ptr %a374)
+  %t376 = load { ptr, i64, i64 }, ptr %a375
+  store { ptr, i64, i64 } %t376, ptr %a377
+  %t378 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a379
+  br label %each.cond10545
+each.cond10545:
+  %t380 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i32 0, i32 1
+  %t381 = load i64, ptr %t380
+  %t382 = load i64, ptr %a379
+  %t383 = icmp slt i64 %t382, %t381
+  br i1 %t383, label %each.body10546, label %each.end10548
+each.body10546:
+  %t384 = load ptr, ptr %t378
+  %t385 = getelementptr inbounds %S.lsp.StructRec, ptr %t384, i64 %t382
+  %t386 = load %S.lsp.StructRec, ptr %t385
+  store %S.lsp.StructRec %t386, ptr %a387
+  %t388 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 1
+  %t389 = load { ptr, i64, i64 }, ptr %t388
+  %t390 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t389, ptr %a391
+  store { ptr, i64, i64 } %t390, ptr %a392
+  %t393 = call i32 @finch_str_eq(ptr %a391, ptr %a392)
+  %t394 = icmp ne i32 %t393, 0
+  br i1 %t394, label %then10549, label %endif10551
+then10549:
+  %t395 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 5
+  %t396 = getelementptr inbounds { ptr, i64, i64 }, ptr %t395, i32 0, i32 1
+  %t397 = load i64, ptr %t396
+  store i64 0, ptr %a398
+  br label %for.cond10552
+for.cond10552:
+  %t399 = load i64, ptr %a398
+  %t400 = icmp slt i64 %t399, %t397
+  br i1 %t400, label %for.body10553, label %for.end10555
+for.body10553:
+  %t401 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 5
+  %t402 = load i64, ptr %a398
+  %t403 = load { ptr, i64, i64 }, ptr %t401
+  %t404 = extractvalue { ptr, i64, i64 } %t403, 1
+  %t405 = icmp uge i64 %t402, %t404
+  br i1 %t405, label %range10556, label %inrange10557
+range10556:
+  call void @finch_panic_index(ptr @.str.6929, i64 587, i64 %t402, i64 %t404)
   unreachable
-inrange10031:
-  %t384 = extractvalue { ptr, i64, i64 } %t381, 0
-  %t385 = getelementptr inbounds { ptr, i64, i64 }, ptr %t384, i64 %t380
-  %t386 = load { ptr, i64, i64 }, ptr %t385
-  %t387 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 6
-  %t388 = load i64, ptr %a376
-  %t389 = load { ptr, i64, i64 }, ptr %t387
-  %t390 = extractvalue { ptr, i64, i64 } %t389, 1
-  %t391 = icmp uge i64 %t388, %t390
-  br i1 %t391, label %range10032, label %inrange10033
-range10032:
-  call void @finch_panic_index(ptr @.str.6713, i64 587, i64 %t388, i64 %t390)
+inrange10557:
+  %t406 = extractvalue { ptr, i64, i64 } %t403, 0
+  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i64 %t402
+  %t408 = load { ptr, i64, i64 }, ptr %t407
+  %t409 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 6
+  %t410 = load i64, ptr %a398
+  %t411 = load { ptr, i64, i64 }, ptr %t409
+  %t412 = extractvalue { ptr, i64, i64 } %t411, 1
+  %t413 = icmp uge i64 %t410, %t412
+  br i1 %t413, label %range10558, label %inrange10559
+range10558:
+  call void @finch_panic_index(ptr @.str.6930, i64 587, i64 %t410, i64 %t412)
   unreachable
-inrange10033:
-  %t392 = extractvalue { ptr, i64, i64 } %t389, 0
-  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t392, i64 %t388
-  %t394 = load { ptr, i64, i64 }, ptr %t393
-  %t395 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t386, i64 5, { ptr, i64, i64 } %t394, { ptr, i64, i64 } { ptr @.str.6714, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t395)
-  br label %for.step10028
-for.step10028:
-  %t396 = load i64, ptr %a376
-  %t397 = add i64 %t396, 1
-  store i64 %t397, ptr %a376
-  br label %for.cond10026
-for.end10029:
-  br label %endif10025
-endif10025:
-  br label %each.step10021
-each.step10021:
-  %t398 = load i64, ptr %a357
-  %t399 = add i64 %t398, 1
-  store i64 %t399, ptr %a357
-  br label %each.cond10019
-each.end10022:
-  %t400 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a401
-  br label %each.cond10034
-each.cond10034:
-  %t402 = getelementptr inbounds { ptr, i64, i64 }, ptr %t400, i32 0, i32 1
-  %t403 = load i64, ptr %t402
-  %t404 = load i64, ptr %a401
-  %t405 = icmp slt i64 %t404, %t403
-  br i1 %t405, label %each.body10035, label %each.end10037
-each.body10035:
-  %t406 = load ptr, ptr %t400
-  %t407 = getelementptr inbounds %S.lsp.FnRec, ptr %t406, i64 %t404
-  %t408 = load %S.lsp.FnRec, ptr %t407
-  store %S.lsp.FnRec %t408, ptr %a409
-  %t410 = getelementptr inbounds %S.lsp.FnRec, ptr %a409, i32 0, i32 2
-  %t411 = load { ptr, i64, i64 }, ptr %t410
-  %t412 = load { ptr, i64, i64 }, ptr %a355
-  store { ptr, i64, i64 } %t411, ptr %a413
-  store { ptr, i64, i64 } %t412, ptr %a414
-  %t415 = call i32 @finch_str_eq(ptr %a413, ptr %a414)
-  %t416 = icmp ne i32 %t415, 0
-  br i1 %t416, label %then10038, label %endif10040
-then10038:
-  %t417 = getelementptr inbounds %S.lsp.FnRec, ptr %a409, i32 0, i32 1
-  %t418 = load { ptr, i64, i64 }, ptr %t417
-  %t419 = getelementptr inbounds %S.lsp.FnRec, ptr %a409, i32 0, i32 7
-  %t420 = load { ptr, i64, i64 }, ptr %t419
-  %t421 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t418, i64 2, { ptr, i64, i64 } %t420, { ptr, i64, i64 } { ptr @.str.6715, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t421)
-  br label %endif10040
-endif10040:
-  br label %each.step10036
-each.step10036:
-  %t422 = load i64, ptr %a401
-  %t423 = add i64 %t422, 1
-  store i64 %t423, ptr %a401
-  br label %each.cond10034
-each.end10037:
-  br label %endif10018
-endif10018:
-  br label %endif10015
-endif10015:
-  br label %endif10012
-endif10012:
-  %t424 = load %S.json.Json, ptr %a7
-  %t425 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t424)
-  ret %S.json.Json %t425
-endif9916:
-  store %S.lsp.Names zeroinitializer, ptr %a426
-  %t427 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 1
-  store i64 0, ptr %a428
-  br label %each.cond10041
-each.cond10041:
-  %t429 = getelementptr inbounds { ptr, i64, i64 }, ptr %t427, i32 0, i32 1
-  %t430 = load i64, ptr %t429
-  %t431 = load i64, ptr %a428
-  %t432 = icmp slt i64 %t431, %t430
-  br i1 %t432, label %each.body10042, label %each.end10044
-each.body10042:
-  %t433 = load ptr, ptr %t427
-  %t434 = getelementptr inbounds %S.lsp.VarRec, ptr %t433, i64 %t431
-  %t435 = load %S.lsp.VarRec, ptr %t434
-  store %S.lsp.VarRec %t435, ptr %a436
-  %t437 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 3
-  %t438 = load i64, ptr %t437
-  %t439 = load i64, ptr %a4
-  %t440 = icmp sle i64 %t438, %t439
-  br label %logic.from10045
-logic.from10045:
-  br i1 %t440, label %logic.rhs10046, label %logic.end10047
-logic.rhs10046:
-  %t441 = load i64, ptr %a4
-  %t442 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 7
-  %t443 = load i64, ptr %t442
-  %t444 = add i64 %t443, 1
-  %t445 = icmp sle i64 %t441, %t444
-  br label %logic.rend10048
-logic.rend10048:
-  br label %logic.end10047
-logic.end10047:
-  %t446 = phi i1 [ false, %logic.from10045 ], [ %t445, %logic.rend10048 ]
-  br label %logic.from10049
-logic.from10049:
-  br i1 %t446, label %logic.rhs10050, label %logic.end10051
-logic.rhs10050:
-  %t447 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 5
-  %t448 = load { ptr, i64, i64 }, ptr %t447
-  %t449 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t448, ptr %a450
-  store { ptr, i64, i64 } %t449, ptr %a451
-  %t452 = call i32 @finch_str_eq(ptr %a450, ptr %a451)
-  %t453 = icmp ne i32 %t452, 0
-  br label %logic.rend10052
-logic.rend10052:
-  br label %logic.end10051
-logic.end10051:
-  %t454 = phi i1 [ false, %logic.from10049 ], [ %t453, %logic.rend10052 ]
-  br label %logic.from10053
-logic.from10053:
-  br i1 %t454, label %logic.rhs10054, label %logic.end10055
-logic.rhs10054:
-  %t455 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 0
-  %t456 = load { ptr, i64, i64 }, ptr %t455
-  %t457 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t456)
-  br label %logic.rend10056
-logic.rend10056:
-  br label %logic.end10055
-logic.end10055:
-  %t458 = phi i1 [ false, %logic.from10053 ], [ %t457, %logic.rend10056 ]
-  br i1 %t458, label %then10057, label %endif10059
-then10057:
-  %t459 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 0
-  %t460 = load { ptr, i64, i64 }, ptr %t459
-  %t461 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 1
-  %t462 = load { ptr, i64, i64 }, ptr %t461
-  %t463 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t460, i64 6, { ptr, i64, i64 } %t462, { ptr, i64, i64 } { ptr @.str.6716, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t463)
-  br label %endif10059
-endif10059:
-  br label %each.step10043
-each.step10043:
-  %t464 = load i64, ptr %a428
-  %t465 = add i64 %t464, 1
-  store i64 %t465, ptr %a428
-  br label %each.cond10041
-each.end10044:
-  %t466 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a467
-  br label %each.cond10060
-each.cond10060:
-  %t468 = getelementptr inbounds { ptr, i64, i64 }, ptr %t466, i32 0, i32 1
-  %t469 = load i64, ptr %t468
-  %t470 = load i64, ptr %a467
-  %t471 = icmp slt i64 %t470, %t469
-  br i1 %t471, label %each.body10061, label %each.end10063
-each.body10061:
-  %t472 = load ptr, ptr %t466
-  %t473 = getelementptr inbounds %S.lsp.FnRec, ptr %t472, i64 %t470
-  %t474 = load %S.lsp.FnRec, ptr %t473
-  store %S.lsp.FnRec %t474, ptr %a475
-  %t476 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 2
-  %t477 = getelementptr inbounds { ptr, i64, i64 }, ptr %t476, i32 0, i32 1
-  %t478 = load i64, ptr %t477
-  %t479 = icmp eq i64 %t478, 0
-  br label %logic.from10064
-logic.from10064:
-  br i1 %t479, label %logic.rhs10065, label %logic.end10066
-logic.rhs10065:
-  %t480 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 0
-  %t481 = load { ptr, i64, i64 }, ptr %t480
-  store { ptr, i64, i64 } %t481, ptr %a482
-  store { ptr, i64, i64 } { ptr @.str.6717, i64 0, i64 0 }, ptr %a483
-  %t484 = call i32 @finch_str_eq(ptr %a482, ptr %a483)
-  %t485 = icmp ne i32 %t484, 0
-  br label %logic.rend10067
-logic.rend10067:
-  br label %logic.end10066
-logic.end10066:
-  %t486 = phi i1 [ false, %logic.from10064 ], [ %t485, %logic.rend10067 ]
-  br label %logic.from10068
-logic.from10068:
-  br i1 %t486, label %logic.rhs10069, label %logic.end10070
-logic.rhs10069:
-  %t487 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 1
-  %t488 = load { ptr, i64, i64 }, ptr %t487
-  %t489 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t488)
-  br label %logic.rend10071
-logic.rend10071:
-  br label %logic.end10070
-logic.end10070:
-  %t490 = phi i1 [ false, %logic.from10068 ], [ %t489, %logic.rend10071 ]
-  br i1 %t490, label %then10072, label %endif10074
-then10072:
-  %t491 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 1
-  %t492 = load { ptr, i64, i64 }, ptr %t491
-  %t493 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 7
-  %t494 = load { ptr, i64, i64 }, ptr %t493
-  %t495 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t492, i64 3, { ptr, i64, i64 } %t494, { ptr, i64, i64 } { ptr @.str.6718, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t495)
-  br label %endif10074
-endif10074:
-  br label %each.step10062
-each.step10062:
-  %t496 = load i64, ptr %a467
-  %t497 = add i64 %t496, 1
-  store i64 %t497, ptr %a467
-  br label %each.cond10060
-each.end10063:
-  %t498 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a499
-  br label %each.cond10075
-each.cond10075:
-  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t498, i32 0, i32 1
-  %t501 = load i64, ptr %t500
-  %t502 = load i64, ptr %a499
-  %t503 = icmp slt i64 %t502, %t501
-  br i1 %t503, label %each.body10076, label %each.end10078
-each.body10076:
-  %t504 = load ptr, ptr %t498
-  %t505 = getelementptr inbounds %S.lsp.StructRec, ptr %t504, i64 %t502
-  %t506 = load %S.lsp.StructRec, ptr %t505
-  store %S.lsp.StructRec %t506, ptr %a507
-  %t508 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 0
-  %t509 = load { ptr, i64, i64 }, ptr %t508
-  store { ptr, i64, i64 } %t509, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.6719, i64 0, i64 0 }, ptr %a511
-  %t512 = call i32 @finch_str_eq(ptr %a510, ptr %a511)
-  %t513 = icmp ne i32 %t512, 0
-  br label %logic.from10079
-logic.from10079:
-  br i1 %t513, label %logic.rhs10080, label %logic.end10081
-logic.rhs10080:
-  %t514 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 1
-  %t515 = load { ptr, i64, i64 }, ptr %t514
-  %t516 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t515)
-  br label %logic.rend10082
-logic.rend10082:
-  br label %logic.end10081
-logic.end10081:
-  %t517 = phi i1 [ false, %logic.from10079 ], [ %t516, %logic.rend10082 ]
-  br i1 %t517, label %then10083, label %endif10085
-then10083:
-  %t518 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 1
+inrange10559:
+  %t414 = extractvalue { ptr, i64, i64 } %t411, 0
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %t414, i64 %t410
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  %t417 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t408, i64 5, { ptr, i64, i64 } %t416, { ptr, i64, i64 } { ptr @.str.6931, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t417)
+  store %S.json.Json %t417, ptr %a418
+  call void @finch.drop.S_json_Json(ptr %a418)
+  br label %for.step10554
+for.step10554:
+  %t419 = load i64, ptr %a398
+  %t420 = add i64 %t419, 1
+  store i64 %t420, ptr %a398
+  br label %for.cond10552
+for.end10555:
+  br label %endif10551
+endif10551:
+  br label %each.step10547
+each.step10547:
+  %t421 = load i64, ptr %a379
+  %t422 = add i64 %t421, 1
+  store i64 %t422, ptr %a379
+  br label %each.cond10545
+each.end10548:
+  %t423 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a424
+  br label %each.cond10560
+each.cond10560:
+  %t425 = getelementptr inbounds { ptr, i64, i64 }, ptr %t423, i32 0, i32 1
+  %t426 = load i64, ptr %t425
+  %t427 = load i64, ptr %a424
+  %t428 = icmp slt i64 %t427, %t426
+  br i1 %t428, label %each.body10561, label %each.end10563
+each.body10561:
+  %t429 = load ptr, ptr %t423
+  %t430 = getelementptr inbounds %S.lsp.FnRec, ptr %t429, i64 %t427
+  %t431 = load %S.lsp.FnRec, ptr %t430
+  store %S.lsp.FnRec %t431, ptr %a432
+  %t433 = getelementptr inbounds %S.lsp.FnRec, ptr %a432, i32 0, i32 2
+  %t434 = load { ptr, i64, i64 }, ptr %t433
+  %t435 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t434, ptr %a436
+  store { ptr, i64, i64 } %t435, ptr %a437
+  %t438 = call i32 @finch_str_eq(ptr %a436, ptr %a437)
+  %t439 = icmp ne i32 %t438, 0
+  br i1 %t439, label %then10564, label %endif10566
+then10564:
+  %t440 = getelementptr inbounds %S.lsp.FnRec, ptr %a432, i32 0, i32 1
+  %t441 = load { ptr, i64, i64 }, ptr %t440
+  %t442 = getelementptr inbounds %S.lsp.FnRec, ptr %a432, i32 0, i32 7
+  %t443 = load { ptr, i64, i64 }, ptr %t442
+  %t444 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t441, i64 2, { ptr, i64, i64 } %t443, { ptr, i64, i64 } { ptr @.str.6932, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t444)
+  store %S.json.Json %t444, ptr %a445
+  call void @finch.drop.S_json_Json(ptr %a445)
+  br label %endif10566
+endif10566:
+  br label %each.step10562
+each.step10562:
+  %t446 = load i64, ptr %a424
+  %t447 = add i64 %t446, 1
+  store i64 %t447, ptr %a424
+  br label %each.cond10560
+each.end10563:
+  call void @finch_str_drop(ptr %a377)
+  br label %endif10544
+endif10544:
+  br label %endif10541
+endif10541:
+  br label %endif10538
+endif10538:
+  %t448 = load %S.json.Json, ptr %a7
+  %t449 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t448)
+  call void @finch_str_drop(ptr %a302)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t449
+endif10442:
+  store %S.lsp.Names zeroinitializer, ptr %a450
+  %t451 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 1
+  store i64 0, ptr %a452
+  br label %each.cond10567
+each.cond10567:
+  %t453 = getelementptr inbounds { ptr, i64, i64 }, ptr %t451, i32 0, i32 1
+  %t454 = load i64, ptr %t453
+  %t455 = load i64, ptr %a452
+  %t456 = icmp slt i64 %t455, %t454
+  br i1 %t456, label %each.body10568, label %each.end10570
+each.body10568:
+  %t457 = load ptr, ptr %t451
+  %t458 = getelementptr inbounds %S.lsp.VarRec, ptr %t457, i64 %t455
+  %t459 = load %S.lsp.VarRec, ptr %t458
+  store %S.lsp.VarRec %t459, ptr %a460
+  %t461 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 3
+  %t462 = load i64, ptr %t461
+  %t463 = load i64, ptr %a4
+  %t464 = icmp sle i64 %t462, %t463
+  br label %logic.from10571
+logic.from10571:
+  br i1 %t464, label %logic.rhs10572, label %logic.end10573
+logic.rhs10572:
+  %t465 = load i64, ptr %a4
+  %t466 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 7
+  %t467 = load i64, ptr %t466
+  %t468 = add i64 %t467, 1
+  %t469 = icmp sle i64 %t465, %t468
+  br label %logic.rend10574
+logic.rend10574:
+  br label %logic.end10573
+logic.end10573:
+  %t470 = phi i1 [ false, %logic.from10571 ], [ %t469, %logic.rend10574 ]
+  br label %logic.from10575
+logic.from10575:
+  br i1 %t470, label %logic.rhs10576, label %logic.end10577
+logic.rhs10576:
+  %t471 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 5
+  %t472 = load { ptr, i64, i64 }, ptr %t471
+  %t473 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t472, ptr %a474
+  store { ptr, i64, i64 } %t473, ptr %a475
+  %t476 = call i32 @finch_str_eq(ptr %a474, ptr %a475)
+  %t477 = icmp ne i32 %t476, 0
+  br label %logic.rend10578
+logic.rend10578:
+  br label %logic.end10577
+logic.end10577:
+  %t478 = phi i1 [ false, %logic.from10575 ], [ %t477, %logic.rend10578 ]
+  br label %logic.from10579
+logic.from10579:
+  br i1 %t478, label %logic.rhs10580, label %logic.end10581
+logic.rhs10580:
+  %t479 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 0
+  %t480 = load { ptr, i64, i64 }, ptr %t479
+  %t481 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t480)
+  br label %logic.rend10582
+logic.rend10582:
+  br label %logic.end10581
+logic.end10581:
+  %t482 = phi i1 [ false, %logic.from10579 ], [ %t481, %logic.rend10582 ]
+  br i1 %t482, label %then10583, label %endif10585
+then10583:
+  %t483 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 0
+  %t484 = load { ptr, i64, i64 }, ptr %t483
+  %t485 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 1
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  %t487 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t484, i64 6, { ptr, i64, i64 } %t486, { ptr, i64, i64 } { ptr @.str.6933, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t487)
+  store %S.json.Json %t487, ptr %a488
+  call void @finch.drop.S_json_Json(ptr %a488)
+  br label %endif10585
+endif10585:
+  br label %each.step10569
+each.step10569:
+  %t489 = load i64, ptr %a452
+  %t490 = add i64 %t489, 1
+  store i64 %t490, ptr %a452
+  br label %each.cond10567
+each.end10570:
+  %t491 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a492
+  br label %each.cond10586
+each.cond10586:
+  %t493 = getelementptr inbounds { ptr, i64, i64 }, ptr %t491, i32 0, i32 1
+  %t494 = load i64, ptr %t493
+  %t495 = load i64, ptr %a492
+  %t496 = icmp slt i64 %t495, %t494
+  br i1 %t496, label %each.body10587, label %each.end10589
+each.body10587:
+  %t497 = load ptr, ptr %t491
+  %t498 = getelementptr inbounds %S.lsp.FnRec, ptr %t497, i64 %t495
+  %t499 = load %S.lsp.FnRec, ptr %t498
+  store %S.lsp.FnRec %t499, ptr %a500
+  %t501 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 2
+  %t502 = getelementptr inbounds { ptr, i64, i64 }, ptr %t501, i32 0, i32 1
+  %t503 = load i64, ptr %t502
+  %t504 = icmp eq i64 %t503, 0
+  br label %logic.from10590
+logic.from10590:
+  br i1 %t504, label %logic.rhs10591, label %logic.end10592
+logic.rhs10591:
+  %t505 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 0
+  %t506 = load { ptr, i64, i64 }, ptr %t505
+  store { ptr, i64, i64 } %t506, ptr %a507
+  store { ptr, i64, i64 } { ptr @.str.6934, i64 0, i64 0 }, ptr %a508
+  %t509 = call i32 @finch_str_eq(ptr %a507, ptr %a508)
+  %t510 = icmp ne i32 %t509, 0
+  br label %logic.rend10593
+logic.rend10593:
+  br label %logic.end10592
+logic.end10592:
+  %t511 = phi i1 [ false, %logic.from10590 ], [ %t510, %logic.rend10593 ]
+  br label %logic.from10594
+logic.from10594:
+  br i1 %t511, label %logic.rhs10595, label %logic.end10596
+logic.rhs10595:
+  %t512 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 1
+  %t513 = load { ptr, i64, i64 }, ptr %t512
+  %t514 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t513)
+  br label %logic.rend10597
+logic.rend10597:
+  br label %logic.end10596
+logic.end10596:
+  %t515 = phi i1 [ false, %logic.from10594 ], [ %t514, %logic.rend10597 ]
+  br i1 %t515, label %then10598, label %endif10600
+then10598:
+  %t516 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 1
+  %t517 = load { ptr, i64, i64 }, ptr %t516
+  %t518 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 7
   %t519 = load { ptr, i64, i64 }, ptr %t518
-  %t520 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 1
-  %t521 = load { ptr, i64, i64 }, ptr %t520
-  store { ptr, i64, i64 } { ptr @.str.6720, i64 7, i64 0 }, ptr %a523
-  store { ptr, i64, i64 } %t521, ptr %a524
-  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
-  %t525 = load { ptr, i64, i64 }, ptr %a522
-  %t526 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t519, i64 22, { ptr, i64, i64 } %t525, { ptr, i64, i64 } { ptr @.str.6721, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t526)
-  br label %endif10085
-endif10085:
-  br label %each.step10077
-each.step10077:
-  %t527 = load i64, ptr %a499
-  %t528 = add i64 %t527, 1
-  store i64 %t528, ptr %a499
-  br label %each.cond10075
-each.end10078:
-  %t529 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a530
-  br label %each.cond10086
-each.cond10086:
-  %t531 = getelementptr inbounds { ptr, i64, i64 }, ptr %t529, i32 0, i32 1
-  %t532 = load i64, ptr %t531
-  %t533 = load i64, ptr %a530
-  %t534 = icmp slt i64 %t533, %t532
-  br i1 %t534, label %each.body10087, label %each.end10089
-each.body10087:
-  %t535 = load ptr, ptr %t529
-  %t536 = getelementptr inbounds %S.lsp.EnumRec, ptr %t535, i64 %t533
-  %t537 = load %S.lsp.EnumRec, ptr %t536
-  store %S.lsp.EnumRec %t537, ptr %a538
-  %t539 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 0
-  %t540 = load { ptr, i64, i64 }, ptr %t539
-  store { ptr, i64, i64 } %t540, ptr %a541
-  store { ptr, i64, i64 } { ptr @.str.6722, i64 0, i64 0 }, ptr %a542
-  %t543 = call i32 @finch_str_eq(ptr %a541, ptr %a542)
-  %t544 = icmp ne i32 %t543, 0
-  br label %logic.from10090
-logic.from10090:
-  br i1 %t544, label %logic.rhs10091, label %logic.end10092
-logic.rhs10091:
-  %t545 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 1
-  %t546 = load { ptr, i64, i64 }, ptr %t545
-  %t547 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t546)
-  br label %logic.rend10093
-logic.rend10093:
-  br label %logic.end10092
-logic.end10092:
-  %t548 = phi i1 [ false, %logic.from10090 ], [ %t547, %logic.rend10093 ]
-  br i1 %t548, label %then10094, label %endif10096
-then10094:
-  %t549 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 1
-  %t550 = load { ptr, i64, i64 }, ptr %t549
-  %t551 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 1
-  %t552 = load { ptr, i64, i64 }, ptr %t551
-  store { ptr, i64, i64 } { ptr @.str.6723, i64 5, i64 0 }, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t550, i64 13, { ptr, i64, i64 } %t556, { ptr, i64, i64 } { ptr @.str.6724, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t557)
-  br label %endif10096
-endif10096:
-  br label %each.step10088
-each.step10088:
-  %t558 = load i64, ptr %a530
-  %t559 = add i64 %t558, 1
-  store i64 %t559, ptr %a530
-  br label %each.cond10086
-each.end10089:
-  %t560 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
-  store i64 0, ptr %a561
-  br label %each.cond10097
-each.cond10097:
-  %t562 = getelementptr inbounds { ptr, i64, i64 }, ptr %t560, i32 0, i32 1
-  %t563 = load i64, ptr %t562
-  %t564 = load i64, ptr %a561
-  %t565 = icmp slt i64 %t564, %t563
-  br i1 %t565, label %each.body10098, label %each.end10100
-each.body10098:
-  %t566 = load ptr, ptr %t560
-  %t567 = getelementptr inbounds { ptr, i64, i64 }, ptr %t566, i64 %t564
+  %t520 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t517, i64 3, { ptr, i64, i64 } %t519, { ptr, i64, i64 } { ptr @.str.6935, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t520)
+  store %S.json.Json %t520, ptr %a521
+  call void @finch.drop.S_json_Json(ptr %a521)
+  br label %endif10600
+endif10600:
+  br label %each.step10588
+each.step10588:
+  %t522 = load i64, ptr %a492
+  %t523 = add i64 %t522, 1
+  store i64 %t523, ptr %a492
+  br label %each.cond10586
+each.end10589:
+  %t524 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a525
+  br label %each.cond10601
+each.cond10601:
+  %t526 = getelementptr inbounds { ptr, i64, i64 }, ptr %t524, i32 0, i32 1
+  %t527 = load i64, ptr %t526
+  %t528 = load i64, ptr %a525
+  %t529 = icmp slt i64 %t528, %t527
+  br i1 %t529, label %each.body10602, label %each.end10604
+each.body10602:
+  %t530 = load ptr, ptr %t524
+  %t531 = getelementptr inbounds %S.lsp.StructRec, ptr %t530, i64 %t528
+  %t532 = load %S.lsp.StructRec, ptr %t531
+  store %S.lsp.StructRec %t532, ptr %a533
+  %t534 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 0
+  %t535 = load { ptr, i64, i64 }, ptr %t534
+  store { ptr, i64, i64 } %t535, ptr %a536
+  store { ptr, i64, i64 } { ptr @.str.6936, i64 0, i64 0 }, ptr %a537
+  %t538 = call i32 @finch_str_eq(ptr %a536, ptr %a537)
+  %t539 = icmp ne i32 %t538, 0
+  br label %logic.from10605
+logic.from10605:
+  br i1 %t539, label %logic.rhs10606, label %logic.end10607
+logic.rhs10606:
+  %t540 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 1
+  %t541 = load { ptr, i64, i64 }, ptr %t540
+  %t542 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t541)
+  br label %logic.rend10608
+logic.rend10608:
+  br label %logic.end10607
+logic.end10607:
+  %t543 = phi i1 [ false, %logic.from10605 ], [ %t542, %logic.rend10608 ]
+  br i1 %t543, label %then10609, label %endif10611
+then10609:
+  %t544 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 1
+  %t545 = load { ptr, i64, i64 }, ptr %t544
+  %t546 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 1
+  %t547 = load { ptr, i64, i64 }, ptr %t546
+  store { ptr, i64, i64 } { ptr @.str.6937, i64 7, i64 0 }, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a548
+  %t552 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t545, i64 22, { ptr, i64, i64 } %t551, { ptr, i64, i64 } { ptr @.str.6938, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t551, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t552)
+  store %S.json.Json %t552, ptr %a554
+  call void @finch.drop.S_json_Json(ptr %a554)
+  br label %endif10611
+endif10611:
+  br label %each.step10603
+each.step10603:
+  %t555 = load i64, ptr %a525
+  %t556 = add i64 %t555, 1
+  store i64 %t556, ptr %a525
+  br label %each.cond10601
+each.end10604:
+  %t557 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a558
+  br label %each.cond10612
+each.cond10612:
+  %t559 = getelementptr inbounds { ptr, i64, i64 }, ptr %t557, i32 0, i32 1
+  %t560 = load i64, ptr %t559
+  %t561 = load i64, ptr %a558
+  %t562 = icmp slt i64 %t561, %t560
+  br i1 %t562, label %each.body10613, label %each.end10615
+each.body10613:
+  %t563 = load ptr, ptr %t557
+  %t564 = getelementptr inbounds %S.lsp.EnumRec, ptr %t563, i64 %t561
+  %t565 = load %S.lsp.EnumRec, ptr %t564
+  store %S.lsp.EnumRec %t565, ptr %a566
+  %t567 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 0
   %t568 = load { ptr, i64, i64 }, ptr %t567
   store { ptr, i64, i64 } %t568, ptr %a569
-  %t570 = load { ptr, i64, i64 }, ptr %a569
-  %t571 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t570)
-  br i1 %t571, label %then10101, label %endif10103
-then10101:
-  %t572 = load { ptr, i64, i64 }, ptr %a569
-  %t573 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t572, i64 9, { ptr, i64, i64 } { ptr @.str.6725, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6726, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t573)
-  br label %endif10103
-endif10103:
-  br label %each.step10099
-each.step10099:
-  %t574 = load i64, ptr %a561
-  %t575 = add i64 %t574, 1
-  store i64 %t575, ptr %a561
-  br label %each.cond10097
-each.end10100:
-  %t576 = call { ptr, i64, i64 } @finch.docs.builtins()
-  store { ptr, i64, i64 } %t576, ptr %a577
-  store i64 0, ptr %a578
-  br label %each.cond10104
-each.cond10104:
-  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %a577, i32 0, i32 1
-  %t580 = load i64, ptr %t579
-  %t581 = load i64, ptr %a578
-  %t582 = icmp slt i64 %t581, %t580
-  br i1 %t582, label %each.body10105, label %each.end10107
-each.body10105:
-  %t583 = load ptr, ptr %a577
-  %t584 = getelementptr inbounds %S.docs.Doc, ptr %t583, i64 %t581
-  %t585 = load %S.docs.Doc, ptr %t584
-  store %S.docs.Doc %t585, ptr %a586
-  %t587 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 0
-  %t588 = load { ptr, i64, i64 }, ptr %t587
-  %t589 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t588)
-  br i1 %t589, label %then10108, label %endif10110
-then10108:
-  %t590 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 0
-  %t591 = load { ptr, i64, i64 }, ptr %t590
-  %t592 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 1
-  %t593 = load { ptr, i64, i64 }, ptr %t592
-  %t594 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 2
-  %t595 = load { ptr, i64, i64 }, ptr %t594
-  %t596 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t591, i64 3, { ptr, i64, i64 } %t593, { ptr, i64, i64 } %t595)
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t596)
-  br label %endif10110
-endif10110:
-  br label %each.step10106
-each.step10106:
-  %t597 = load i64, ptr %a578
-  %t598 = add i64 %t597, 1
-  store i64 %t598, ptr %a578
-  br label %each.cond10104
-each.end10107:
-  %t599 = call { ptr, i64, i64 } @finch.docs.keywords()
-  store { ptr, i64, i64 } %t599, ptr %a600
-  store i64 0, ptr %a601
-  br label %each.cond10111
-each.cond10111:
-  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %a600, i32 0, i32 1
-  %t603 = load i64, ptr %t602
-  %t604 = load i64, ptr %a601
-  %t605 = icmp slt i64 %t604, %t603
-  br i1 %t605, label %each.body10112, label %each.end10114
-each.body10112:
-  %t606 = load ptr, ptr %a600
-  %t607 = getelementptr inbounds { ptr, i64, i64 }, ptr %t606, i64 %t604
-  %t608 = load { ptr, i64, i64 }, ptr %t607
-  store { ptr, i64, i64 } %t608, ptr %a609
-  %t610 = load { ptr, i64, i64 }, ptr %a609
-  %t611 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t610)
-  br i1 %t611, label %then10115, label %endif10117
-then10115:
-  %t612 = load { ptr, i64, i64 }, ptr %a609
-  %t613 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t612, i64 14, { ptr, i64, i64 } { ptr @.str.6727, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6728, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t613)
-  br label %endif10117
-endif10117:
-  br label %each.step10113
-each.step10113:
-  %t614 = load i64, ptr %a601
-  %t615 = add i64 %t614, 1
-  store i64 %t615, ptr %a601
-  br label %each.cond10111
-each.end10114:
-  %t616 = call { ptr, i64, i64 } @finch.docs.typeNames()
-  store { ptr, i64, i64 } %t616, ptr %a617
-  store i64 0, ptr %a618
-  br label %each.cond10118
-each.cond10118:
-  %t619 = getelementptr inbounds { ptr, i64, i64 }, ptr %a617, i32 0, i32 1
-  %t620 = load i64, ptr %t619
-  %t621 = load i64, ptr %a618
-  %t622 = icmp slt i64 %t621, %t620
-  br i1 %t622, label %each.body10119, label %each.end10121
-each.body10119:
-  %t623 = load ptr, ptr %a617
-  %t624 = getelementptr inbounds { ptr, i64, i64 }, ptr %t623, i64 %t621
-  %t625 = load { ptr, i64, i64 }, ptr %t624
-  store { ptr, i64, i64 } %t625, ptr %a626
-  %t627 = load { ptr, i64, i64 }, ptr %a626
-  %t628 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t627)
-  br i1 %t628, label %then10122, label %endif10124
-then10122:
-  %t629 = load { ptr, i64, i64 }, ptr %a626
-  %t630 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t629, i64 25, { ptr, i64, i64 } { ptr @.str.6729, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6730, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t630)
-  br label %endif10124
-endif10124:
-  br label %each.step10120
-each.step10120:
-  %t631 = load i64, ptr %a618
-  %t632 = add i64 %t631, 1
-  store i64 %t632, ptr %a618
-  br label %each.cond10118
-each.end10121:
-  %t633 = load %S.json.Json, ptr %a7
-  %t634 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t633)
-  ret %S.json.Json %t634
+  store { ptr, i64, i64 } { ptr @.str.6939, i64 0, i64 0 }, ptr %a570
+  %t571 = call i32 @finch_str_eq(ptr %a569, ptr %a570)
+  %t572 = icmp ne i32 %t571, 0
+  br label %logic.from10616
+logic.from10616:
+  br i1 %t572, label %logic.rhs10617, label %logic.end10618
+logic.rhs10617:
+  %t573 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 1
+  %t574 = load { ptr, i64, i64 }, ptr %t573
+  %t575 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t574)
+  br label %logic.rend10619
+logic.rend10619:
+  br label %logic.end10618
+logic.end10618:
+  %t576 = phi i1 [ false, %logic.from10616 ], [ %t575, %logic.rend10619 ]
+  br i1 %t576, label %then10620, label %endif10622
+then10620:
+  %t577 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 1
+  %t578 = load { ptr, i64, i64 }, ptr %t577
+  %t579 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 1
+  %t580 = load { ptr, i64, i64 }, ptr %t579
+  store { ptr, i64, i64 } { ptr @.str.6940, i64 5, i64 0 }, ptr %a582
+  store { ptr, i64, i64 } %t580, ptr %a583
+  call void @finch_str_concat(ptr %a581, ptr %a582, ptr %a583)
+  %t584 = load { ptr, i64, i64 }, ptr %a581
+  %t585 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t578, i64 13, { ptr, i64, i64 } %t584, { ptr, i64, i64 } { ptr @.str.6941, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t584, ptr %a586
+  call void @finch_str_drop(ptr %a586)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t585)
+  store %S.json.Json %t585, ptr %a587
+  call void @finch.drop.S_json_Json(ptr %a587)
+  br label %endif10622
+endif10622:
+  br label %each.step10614
+each.step10614:
+  %t588 = load i64, ptr %a558
+  %t589 = add i64 %t588, 1
+  store i64 %t589, ptr %a558
+  br label %each.cond10612
+each.end10615:
+  %t590 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
+  store i64 0, ptr %a591
+  br label %each.cond10623
+each.cond10623:
+  %t592 = getelementptr inbounds { ptr, i64, i64 }, ptr %t590, i32 0, i32 1
+  %t593 = load i64, ptr %t592
+  %t594 = load i64, ptr %a591
+  %t595 = icmp slt i64 %t594, %t593
+  br i1 %t595, label %each.body10624, label %each.end10626
+each.body10624:
+  %t596 = load ptr, ptr %t590
+  %t597 = getelementptr inbounds { ptr, i64, i64 }, ptr %t596, i64 %t594
+  %t598 = load { ptr, i64, i64 }, ptr %t597
+  store { ptr, i64, i64 } %t598, ptr %a599
+  %t600 = load { ptr, i64, i64 }, ptr %a599
+  %t601 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t600)
+  br i1 %t601, label %then10627, label %endif10629
+then10627:
+  %t602 = load { ptr, i64, i64 }, ptr %a599
+  %t603 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t602, i64 9, { ptr, i64, i64 } { ptr @.str.6942, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6943, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t603)
+  store %S.json.Json %t603, ptr %a604
+  call void @finch.drop.S_json_Json(ptr %a604)
+  br label %endif10629
+endif10629:
+  br label %each.step10625
+each.step10625:
+  %t605 = load i64, ptr %a591
+  %t606 = add i64 %t605, 1
+  store i64 %t606, ptr %a591
+  br label %each.cond10623
+each.end10626:
+  %t607 = call { ptr, i64, i64 } @finch.docs.builtins()
+  store { ptr, i64, i64 } %t607, ptr %a608
+  store i64 0, ptr %a609
+  br label %each.cond10630
+each.cond10630:
+  %t610 = getelementptr inbounds { ptr, i64, i64 }, ptr %a608, i32 0, i32 1
+  %t611 = load i64, ptr %t610
+  %t612 = load i64, ptr %a609
+  %t613 = icmp slt i64 %t612, %t611
+  br i1 %t613, label %each.body10631, label %each.end10633
+each.body10631:
+  %t614 = load ptr, ptr %a608
+  %t615 = getelementptr inbounds %S.docs.Doc, ptr %t614, i64 %t612
+  %t616 = load %S.docs.Doc, ptr %t615
+  store %S.docs.Doc %t616, ptr %a617
+  %t618 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 0
+  %t619 = load { ptr, i64, i64 }, ptr %t618
+  %t620 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t619)
+  br i1 %t620, label %then10634, label %endif10636
+then10634:
+  %t621 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 0
+  %t622 = load { ptr, i64, i64 }, ptr %t621
+  %t623 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 1
+  %t624 = load { ptr, i64, i64 }, ptr %t623
+  %t625 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 2
+  %t626 = load { ptr, i64, i64 }, ptr %t625
+  %t627 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t622, i64 3, { ptr, i64, i64 } %t624, { ptr, i64, i64 } %t626)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t627)
+  store %S.json.Json %t627, ptr %a628
+  call void @finch.drop.S_json_Json(ptr %a628)
+  br label %endif10636
+endif10636:
+  br label %each.step10632
+each.step10632:
+  %t629 = load i64, ptr %a609
+  %t630 = add i64 %t629, 1
+  store i64 %t630, ptr %a609
+  br label %each.cond10630
+each.end10633:
+  call void @finch.drop.arr_S_docs_Doc(ptr %a608)
+  %t631 = call { ptr, i64, i64 } @finch.docs.keywords()
+  store { ptr, i64, i64 } %t631, ptr %a632
+  store i64 0, ptr %a633
+  br label %each.cond10637
+each.cond10637:
+  %t634 = getelementptr inbounds { ptr, i64, i64 }, ptr %a632, i32 0, i32 1
+  %t635 = load i64, ptr %t634
+  %t636 = load i64, ptr %a633
+  %t637 = icmp slt i64 %t636, %t635
+  br i1 %t637, label %each.body10638, label %each.end10640
+each.body10638:
+  %t638 = load ptr, ptr %a632
+  %t639 = getelementptr inbounds { ptr, i64, i64 }, ptr %t638, i64 %t636
+  %t640 = load { ptr, i64, i64 }, ptr %t639
+  store { ptr, i64, i64 } %t640, ptr %a641
+  %t642 = load { ptr, i64, i64 }, ptr %a641
+  %t643 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t642)
+  br i1 %t643, label %then10641, label %endif10643
+then10641:
+  %t644 = load { ptr, i64, i64 }, ptr %a641
+  %t645 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t644, i64 14, { ptr, i64, i64 } { ptr @.str.6944, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6945, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t645)
+  store %S.json.Json %t645, ptr %a646
+  call void @finch.drop.S_json_Json(ptr %a646)
+  br label %endif10643
+endif10643:
+  br label %each.step10639
+each.step10639:
+  %t647 = load i64, ptr %a633
+  %t648 = add i64 %t647, 1
+  store i64 %t648, ptr %a633
+  br label %each.cond10637
+each.end10640:
+  call void @finch.drop.arr_str(ptr %a632)
+  %t649 = call { ptr, i64, i64 } @finch.docs.typeNames()
+  store { ptr, i64, i64 } %t649, ptr %a650
+  store i64 0, ptr %a651
+  br label %each.cond10644
+each.cond10644:
+  %t652 = getelementptr inbounds { ptr, i64, i64 }, ptr %a650, i32 0, i32 1
+  %t653 = load i64, ptr %t652
+  %t654 = load i64, ptr %a651
+  %t655 = icmp slt i64 %t654, %t653
+  br i1 %t655, label %each.body10645, label %each.end10647
+each.body10645:
+  %t656 = load ptr, ptr %a650
+  %t657 = getelementptr inbounds { ptr, i64, i64 }, ptr %t656, i64 %t654
+  %t658 = load { ptr, i64, i64 }, ptr %t657
+  store { ptr, i64, i64 } %t658, ptr %a659
+  %t660 = load { ptr, i64, i64 }, ptr %a659
+  %t661 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t660)
+  br i1 %t661, label %then10648, label %endif10650
+then10648:
+  %t662 = load { ptr, i64, i64 }, ptr %a659
+  %t663 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t662, i64 25, { ptr, i64, i64 } { ptr @.str.6946, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6947, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t663)
+  store %S.json.Json %t663, ptr %a664
+  call void @finch.drop.S_json_Json(ptr %a664)
+  br label %endif10650
+endif10650:
+  br label %each.step10646
+each.step10646:
+  %t665 = load i64, ptr %a651
+  %t666 = add i64 %t665, 1
+  store i64 %t666, ptr %a651
+  br label %each.cond10644
+each.end10647:
+  call void @finch.drop.arr_str(ptr %a650)
+  %t667 = load %S.json.Json, ptr %a7
+  %t668 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t667)
+  call void @finch.drop.S_lsp_Names(ptr %a450)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t668
 }
 
 define internal i1 @finch.lsp.Names.add(ptr %self, { ptr, i64, i64 } %p0) {
@@ -90081,33 +107742,33 @@ entry:
   %t6 = load i64, ptr %t3
   %t7 = load ptr, ptr %t2
   store i64 0, ptr %a8
-  br label %find.cond10125
-find.cond10125:
+  br label %find.cond10651
+find.cond10651:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t6
-  br i1 %t10, label %find.body10126, label %find.end10129
-find.body10126:
+  br i1 %t10, label %find.body10652, label %find.end10655
+find.body10652:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i64 %t9
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
   store { ptr, i64, i64 } %t4, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br i1 %t16, label %find.hit10127, label %find.next10128
-find.hit10127:
+  br i1 %t16, label %find.hit10653, label %find.next10654
+find.hit10653:
   store i64 %t9, ptr %a5
-  br label %find.end10129
-find.next10128:
+  br label %find.end10655
+find.next10654:
   %t17 = add i64 %t9, 1
   store i64 %t17, ptr %a8
-  br label %find.cond10125
-find.end10129:
+  br label %find.cond10651
+find.end10655:
   %t18 = load i64, ptr %a5
   %t19 = icmp sge i64 %t18, 0
-  br i1 %t19, label %then10130, label %endif10132
-then10130:
+  br i1 %t19, label %then10656, label %endif10658
+then10656:
   ret i1 false
-endif10132:
+endif10658:
   %t20 = getelementptr inbounds %S.lsp.Names, ptr %self, i32 0, i32 0
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
   %t22 = load { ptr, i64, i64 }, ptr %a1
@@ -90128,20 +107789,18 @@ define internal %S.json.Json @finch.lsp.completionList(%S.json.Json %p0) {
 entry:
   %a1 = alloca %S.json.Json, align 16
   %a3 = alloca %S.json.Json, align 16
-  %a7 = alloca %S.json.Json, align 16
-  %a8 = alloca %S.json.Json, align 16
+  %a5 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
   %t2 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t2, ptr %a3
   %t4 = call %S.json.Json @finch.json.new_bool(i1 false)
-  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6731, i64 12, i64 0 }, %S.json.Json %t4)
-  %t5 = load %S.json.Json, ptr %a1
-  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6732, i64 5, i64 0 }, %S.json.Json %t5)
-  %t6 = load %S.json.Json, ptr %a3
-  store %S.json.Json %t6, ptr %a7
-  call void @finch.copy.S_json_Json(ptr %a8, ptr %a7)
-  %t9 = load %S.json.Json, ptr %a8
-  ret %S.json.Json %t9
+  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6948, i64 12, i64 0 }, %S.json.Json %t4)
+  store %S.json.Json %t4, ptr %a5
+  call void @finch.drop.S_json_Json(ptr %a5)
+  %t6 = load %S.json.Json, ptr %a1
+  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6949, i64 5, i64 0 }, %S.json.Json %t6)
+  %t7 = load %S.json.Json, ptr %a3
+  ret %S.json.Json %t7
 }
 
 define internal %S.json.Json @finch.lsp.signatureAt(%S.lsp.Analysis %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, i64 %p3, i64 %p4) {
@@ -90173,34 +107832,46 @@ entry:
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca %S.lsp.VarRec, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca i64, align 16
-  %a183 = alloca %S.lsp.FnRec, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca %S.json.Json, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca i64, align 16
+  %a188 = alloca %S.lsp.FnRec, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca %S.json.Json, align 16
-  %a207 = alloca i64, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca %S.json.Json, align 16
-  %a228 = alloca %S.json.Json, align 16
-  %a231 = alloca %S.json.Json, align 16
-  %a242 = alloca %S.docs.Doc, align 16
-  %a248 = alloca %S.json.Json, align 16
-  %a256 = alloca %S.json.Json, align 16
-  %a259 = alloca %S.json.Json, align 16
+  %a209 = alloca %S.json.Json, align 16
+  %a211 = alloca %S.json.Json, align 16
+  %a213 = alloca i64, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca %S.json.Json, align 16
+  %a229 = alloca %S.json.Json, align 16
+  %a235 = alloca %S.json.Json, align 16
+  %a238 = alloca %S.json.Json, align 16
+  %a241 = alloca %S.json.Json, align 16
+  %a244 = alloca %S.json.Json, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca %S.docs.Doc, align 16
+  %a258 = alloca %S.json.Json, align 16
+  %a262 = alloca %S.json.Json, align 16
+  %a266 = alloca %S.json.Json, align 16
+  %a268 = alloca %S.json.Json, align 16
+  %a271 = alloca %S.json.Json, align 16
+  %a274 = alloca %S.json.Json, align 16
+  %a277 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -90217,17 +107888,17 @@ entry:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = icmp sgt i64 %t13, %t15
-  br i1 %t16, label %then10133, label %endif10135
-then10133:
+  br i1 %t16, label %then10659, label %endif10661
+then10659:
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t18 = load i64, ptr %t17
   store i64 %t18, ptr %a12
-  br label %endif10135
-endif10135:
+  br label %endif10661
+endif10661:
   %t19 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t19, ptr %a20
   %t22 = load i64, ptr %a12
-  call void @finch_str_sub(ptr %a21, ptr %a20, i64 0, i64 %t22, ptr @.str.6733, i64 671)
+  call void @finch_str_sub(ptr %a21, ptr %a20, i64 0, i64 %t22, ptr @.str.6950, i64 671)
   %t23 = load { ptr, i64, i64 }, ptr %a21
   store { ptr, i64, i64 } %t23, ptr %a24
   store i64 0, ptr %a25
@@ -90237,241 +107908,246 @@ endif10135:
   %t29 = load i64, ptr %t28
   %t30 = sub i64 %t29, 1
   store i64 %t30, ptr %a31
-  br label %while.cond10136
-while.cond10136:
+  br label %while.cond10662
+while.cond10662:
   %t32 = load i64, ptr %a31
   %t33 = icmp sge i64 %t32, 0
-  br i1 %t33, label %while.body10137, label %while.end10138
-while.body10137:
+  br i1 %t33, label %while.body10663, label %while.end10664
+while.body10663:
   %t34 = load i64, ptr %a31
   %t35 = load { ptr, i64, i64 }, ptr %a24
   %t36 = extractvalue { ptr, i64, i64 } %t35, 1
   %t37 = icmp uge i64 %t34, %t36
-  br i1 %t37, label %range10139, label %inrange10140
-range10139:
-  call void @finch_panic_index(ptr @.str.6734, i64 678, i64 %t34, i64 %t36)
+  br i1 %t37, label %range10665, label %inrange10666
+range10665:
+  call void @finch_panic_index(ptr @.str.6951, i64 678, i64 %t34, i64 %t36)
   unreachable
-inrange10140:
+inrange10666:
   %t38 = extractvalue { ptr, i64, i64 } %t35, 0
   %t39 = getelementptr inbounds i8, ptr %t38, i64 %t34
   %t40 = load i8, ptr %t39
   store i8 %t40, ptr %a41
   %t42 = load i8, ptr %a41
   %t43 = icmp eq i8 %t42, 41
-  br label %logic.from10141
-logic.from10141:
-  br i1 %t43, label %logic.end10143, label %logic.rhs10142
-logic.rhs10142:
+  br label %logic.from10667
+logic.from10667:
+  br i1 %t43, label %logic.end10669, label %logic.rhs10668
+logic.rhs10668:
   %t44 = load i8, ptr %a41
   %t45 = icmp eq i8 %t44, 93
-  br label %logic.rend10144
-logic.rend10144:
-  br label %logic.end10143
-logic.end10143:
-  %t46 = phi i1 [ true, %logic.from10141 ], [ %t45, %logic.rend10144 ]
-  br i1 %t46, label %then10145, label %else10146
-then10145:
+  br label %logic.rend10670
+logic.rend10670:
+  br label %logic.end10669
+logic.end10669:
+  %t46 = phi i1 [ true, %logic.from10667 ], [ %t45, %logic.rend10670 ]
+  br i1 %t46, label %then10671, label %else10672
+then10671:
   %t47 = load i64, ptr %a25
   %t48 = add i64 %t47, 1
   store i64 %t48, ptr %a25
-  br label %endif10147
-else10146:
+  br label %endif10673
+else10672:
   %t49 = load i8, ptr %a41
   %t50 = icmp eq i8 %t49, 40
-  br label %logic.from10148
-logic.from10148:
-  br i1 %t50, label %logic.end10150, label %logic.rhs10149
-logic.rhs10149:
+  br label %logic.from10674
+logic.from10674:
+  br i1 %t50, label %logic.end10676, label %logic.rhs10675
+logic.rhs10675:
   %t51 = load i8, ptr %a41
   %t52 = icmp eq i8 %t51, 91
-  br label %logic.rend10151
-logic.rend10151:
-  br label %logic.end10150
-logic.end10150:
-  %t53 = phi i1 [ true, %logic.from10148 ], [ %t52, %logic.rend10151 ]
-  br i1 %t53, label %then10152, label %else10153
-then10152:
+  br label %logic.rend10677
+logic.rend10677:
+  br label %logic.end10676
+logic.end10676:
+  %t53 = phi i1 [ true, %logic.from10674 ], [ %t52, %logic.rend10677 ]
+  br i1 %t53, label %then10678, label %else10679
+then10678:
   %t54 = load i64, ptr %a25
   %t55 = icmp eq i64 %t54, 0
-  br i1 %t55, label %then10155, label %else10156
-then10155:
+  br i1 %t55, label %then10681, label %else10682
+then10681:
   %t56 = load i8, ptr %a41
   %t57 = icmp eq i8 %t56, 40
-  br i1 %t57, label %then10158, label %endif10160
-then10158:
+  br i1 %t57, label %then10684, label %endif10686
+then10684:
   %t58 = load i64, ptr %a31
   store i64 %t58, ptr %a27
-  br label %while.end10138
-endif10160:
-  br label %endif10157
-else10156:
+  br label %while.end10664
+endif10686:
+  br label %endif10683
+else10682:
   %t59 = load i64, ptr %a25
   %t60 = sub i64 %t59, 1
   store i64 %t60, ptr %a25
-  br label %endif10157
-endif10157:
-  br label %endif10154
-else10153:
+  br label %endif10683
+endif10683:
+  br label %endif10680
+else10679:
   %t61 = load i8, ptr %a41
   %t62 = icmp eq i8 %t61, 44
-  br label %logic.from10161
-logic.from10161:
-  br i1 %t62, label %logic.rhs10162, label %logic.end10163
-logic.rhs10162:
+  br label %logic.from10687
+logic.from10687:
+  br i1 %t62, label %logic.rhs10688, label %logic.end10689
+logic.rhs10688:
   %t63 = load i64, ptr %a25
   %t64 = icmp eq i64 %t63, 0
-  br label %logic.rend10164
-logic.rend10164:
-  br label %logic.end10163
-logic.end10163:
-  %t65 = phi i1 [ false, %logic.from10161 ], [ %t64, %logic.rend10164 ]
-  br i1 %t65, label %then10165, label %endif10167
-then10165:
+  br label %logic.rend10690
+logic.rend10690:
+  br label %logic.end10689
+logic.end10689:
+  %t65 = phi i1 [ false, %logic.from10687 ], [ %t64, %logic.rend10690 ]
+  br i1 %t65, label %then10691, label %endif10693
+then10691:
   %t66 = load i64, ptr %a26
   %t67 = add i64 %t66, 1
   store i64 %t67, ptr %a26
-  br label %endif10167
-endif10167:
-  br label %endif10154
-endif10154:
-  br label %endif10147
-endif10147:
+  br label %endif10693
+endif10693:
+  br label %endif10680
+endif10680:
+  br label %endif10673
+endif10673:
   %t68 = load i64, ptr %a31
   %t69 = sub i64 %t68, 1
   store i64 %t69, ptr %a31
-  br label %while.cond10136
-while.end10138:
+  br label %while.cond10662
+while.end10664:
   %t70 = load i64, ptr %a27
   %t71 = icmp slt i64 %t70, 0
-  br i1 %t71, label %then10168, label %endif10170
-then10168:
+  br i1 %t71, label %then10694, label %endif10696
+then10694:
   %t72 = call %S.json.Json @finch.json.new_null()
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
   ret %S.json.Json %t72
-endif10170:
+endif10696:
   %t73 = load i64, ptr %a27
   store i64 %t73, ptr %a74
   %t75 = load i64, ptr %a74
   store i64 %t75, ptr %a76
-  br label %while.cond10171
-while.cond10171:
+  br label %while.cond10697
+while.cond10697:
   %t77 = load i64, ptr %a76
   %t78 = icmp sgt i64 %t77, 0
-  br label %logic.from10174
-logic.from10174:
-  br i1 %t78, label %logic.rhs10175, label %logic.end10176
-logic.rhs10175:
+  br label %logic.from10700
+logic.from10700:
+  br i1 %t78, label %logic.rhs10701, label %logic.end10702
+logic.rhs10701:
   %t79 = load i64, ptr %a76
   %t80 = sub i64 %t79, 1
   %t81 = load { ptr, i64, i64 }, ptr %a24
   %t82 = extractvalue { ptr, i64, i64 } %t81, 1
   %t83 = icmp uge i64 %t80, %t82
-  br i1 %t83, label %range10177, label %inrange10178
-range10177:
-  call void @finch_panic_index(ptr @.str.6735, i64 700, i64 %t80, i64 %t82)
+  br i1 %t83, label %range10703, label %inrange10704
+range10703:
+  call void @finch_panic_index(ptr @.str.6952, i64 700, i64 %t80, i64 %t82)
   unreachable
-inrange10178:
+inrange10704:
   %t84 = extractvalue { ptr, i64, i64 } %t81, 0
   %t85 = getelementptr inbounds i8, ptr %t84, i64 %t80
   %t86 = load i8, ptr %t85
   %t87 = call i1 @finch.lsp.isWordChar(i8 %t86)
-  br label %logic.rend10179
-logic.rend10179:
-  br label %logic.end10176
-logic.end10176:
-  %t88 = phi i1 [ false, %logic.from10174 ], [ %t87, %logic.rend10179 ]
-  br i1 %t88, label %while.body10172, label %while.end10173
-while.body10172:
+  br label %logic.rend10705
+logic.rend10705:
+  br label %logic.end10702
+logic.end10702:
+  %t88 = phi i1 [ false, %logic.from10700 ], [ %t87, %logic.rend10705 ]
+  br i1 %t88, label %while.body10698, label %while.end10699
+while.body10698:
   %t89 = load i64, ptr %a76
   %t90 = sub i64 %t89, 1
   store i64 %t90, ptr %a76
-  br label %while.cond10171
-while.end10173:
+  br label %while.cond10697
+while.end10699:
   %t91 = load { ptr, i64, i64 }, ptr %a24
   store { ptr, i64, i64 } %t91, ptr %a92
   %t94 = load i64, ptr %a76
   %t95 = load i64, ptr %a74
-  call void @finch_str_sub(ptr %a93, ptr %a92, i64 %t94, i64 %t95, ptr @.str.6736, i64 703)
+  call void @finch_str_sub(ptr %a93, ptr %a92, i64 %t94, i64 %t95, ptr @.str.6953, i64 703)
   %t96 = load { ptr, i64, i64 }, ptr %a93
   store { ptr, i64, i64 } %t96, ptr %a97
   %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %a97, i32 0, i32 1
   %t99 = load i64, ptr %t98
   %t100 = icmp eq i64 %t99, 0
-  br i1 %t100, label %then10180, label %endif10182
-then10180:
+  br i1 %t100, label %then10706, label %endif10708
+then10706:
   %t101 = call %S.json.Json @finch.json.new_null()
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
   ret %S.json.Json %t101
-endif10182:
-  store { ptr, i64, i64 } { ptr @.str.6737, i64 0, i64 0 }, ptr %a102
+endif10708:
+  store { ptr, i64, i64 } { ptr @.str.6954, i64 0, i64 0 }, ptr %a102
   %t103 = load i64, ptr %a76
   %t104 = icmp sgt i64 %t103, 0
-  br label %logic.from10183
-logic.from10183:
-  br i1 %t104, label %logic.rhs10184, label %logic.end10185
-logic.rhs10184:
+  br label %logic.from10709
+logic.from10709:
+  br i1 %t104, label %logic.rhs10710, label %logic.end10711
+logic.rhs10710:
   %t105 = load i64, ptr %a76
   %t106 = sub i64 %t105, 1
   %t107 = load { ptr, i64, i64 }, ptr %a24
   %t108 = extractvalue { ptr, i64, i64 } %t107, 1
   %t109 = icmp uge i64 %t106, %t108
-  br i1 %t109, label %range10186, label %inrange10187
-range10186:
-  call void @finch_panic_index(ptr @.str.6738, i64 708, i64 %t106, i64 %t108)
+  br i1 %t109, label %range10712, label %inrange10713
+range10712:
+  call void @finch_panic_index(ptr @.str.6955, i64 708, i64 %t106, i64 %t108)
   unreachable
-inrange10187:
+inrange10713:
   %t110 = extractvalue { ptr, i64, i64 } %t107, 0
   %t111 = getelementptr inbounds i8, ptr %t110, i64 %t106
   %t112 = load i8, ptr %t111
   %t113 = icmp eq i8 %t112, 46
-  br label %logic.rend10188
-logic.rend10188:
-  br label %logic.end10185
-logic.end10185:
-  %t114 = phi i1 [ false, %logic.from10183 ], [ %t113, %logic.rend10188 ]
-  br i1 %t114, label %then10189, label %endif10191
-then10189:
+  br label %logic.rend10714
+logic.rend10714:
+  br label %logic.end10711
+logic.end10711:
+  %t114 = phi i1 [ false, %logic.from10709 ], [ %t113, %logic.rend10714 ]
+  br i1 %t114, label %then10715, label %endif10717
+then10715:
   %t115 = load i64, ptr %a76
   %t116 = sub i64 %t115, 1
   store i64 %t116, ptr %a117
-  br label %while.cond10192
-while.cond10192:
+  br label %while.cond10718
+while.cond10718:
   %t118 = load i64, ptr %a117
   %t119 = icmp sgt i64 %t118, 0
-  br label %logic.from10195
-logic.from10195:
-  br i1 %t119, label %logic.rhs10196, label %logic.end10197
-logic.rhs10196:
+  br label %logic.from10721
+logic.from10721:
+  br i1 %t119, label %logic.rhs10722, label %logic.end10723
+logic.rhs10722:
   %t120 = load i64, ptr %a117
   %t121 = sub i64 %t120, 1
   %t122 = load { ptr, i64, i64 }, ptr %a24
   %t123 = extractvalue { ptr, i64, i64 } %t122, 1
   %t124 = icmp uge i64 %t121, %t123
-  br i1 %t124, label %range10198, label %inrange10199
-range10198:
-  call void @finch_panic_index(ptr @.str.6739, i64 711, i64 %t121, i64 %t123)
+  br i1 %t124, label %range10724, label %inrange10725
+range10724:
+  call void @finch_panic_index(ptr @.str.6956, i64 711, i64 %t121, i64 %t123)
   unreachable
-inrange10199:
+inrange10725:
   %t125 = extractvalue { ptr, i64, i64 } %t122, 0
   %t126 = getelementptr inbounds i8, ptr %t125, i64 %t121
   %t127 = load i8, ptr %t126
   %t128 = call i1 @finch.lsp.isWordChar(i8 %t127)
-  br label %logic.rend10200
-logic.rend10200:
-  br label %logic.end10197
-logic.end10197:
-  %t129 = phi i1 [ false, %logic.from10195 ], [ %t128, %logic.rend10200 ]
-  br i1 %t129, label %while.body10193, label %while.end10194
-while.body10193:
+  br label %logic.rend10726
+logic.rend10726:
+  br label %logic.end10723
+logic.end10723:
+  %t129 = phi i1 [ false, %logic.from10721 ], [ %t128, %logic.rend10726 ]
+  br i1 %t129, label %while.body10719, label %while.end10720
+while.body10719:
   %t130 = load i64, ptr %a117
   %t131 = sub i64 %t130, 1
   store i64 %t131, ptr %a117
-  br label %while.cond10192
-while.end10194:
+  br label %while.cond10718
+while.end10720:
   %t132 = load { ptr, i64, i64 }, ptr %a24
   store { ptr, i64, i64 } %t132, ptr %a133
   %t135 = load i64, ptr %a117
   %t136 = load i64, ptr %a76
   %t137 = sub i64 %t136, 1
-  call void @finch_str_sub(ptr %a134, ptr %a133, i64 %t135, i64 %t137, ptr @.str.6740, i64 714)
+  call void @finch_str_sub(ptr %a134, ptr %a133, i64 %t135, i64 %t137, ptr @.str.6957, i64 714)
   %t138 = load { ptr, i64, i64 }, ptr %a134
   store { ptr, i64, i64 } %t138, ptr %a139
   %t140 = load %S.lsp.Analysis, ptr %a1
@@ -90483,190 +108159,238 @@ while.end10194:
   store { ptr, i64, i64 } %t145, ptr %a146
   call void @finch_str_copy(ptr %a147, ptr %a146)
   %t148 = load { ptr, i64, i64 }, ptr %a147
-  store { ptr, i64, i64 } %t148, ptr %a149
-  %t150 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t150, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.6742, i64 4, i64 0 }, ptr %a153
-  %t154 = call i32 @finch_str_starts(ptr %a151, ptr %a153)
-  %t155 = icmp ne i32 %t154, 0
-  br label %logic.from10201
-logic.from10201:
-  br i1 %t155, label %logic.rhs10202, label %logic.end10203
-logic.rhs10202:
-  %t156 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t156, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.6744, i64 1, i64 0 }, ptr %a159
-  %t160 = call i32 @finch_str_ends(ptr %a157, ptr %a159)
-  %t161 = icmp ne i32 %t160, 0
-  br label %logic.rend10204
-logic.rend10204:
-  br label %logic.end10203
-logic.end10203:
-  %t162 = phi i1 [ false, %logic.from10201 ], [ %t161, %logic.rend10204 ]
-  br i1 %t162, label %then10205, label %endif10207
-then10205:
-  %t163 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t163, ptr %a164
-  %t166 = getelementptr inbounds { ptr, i64, i64 }, ptr %a149, i32 0, i32 1
-  %t167 = load i64, ptr %t166
-  %t168 = sub i64 %t167, 1
-  call void @finch_str_sub(ptr %a165, ptr %a164, i64 4, i64 %t168, ptr @.str.6745, i64 717)
-  %t169 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } %t169, ptr %a149
-  br label %endif10207
-endif10207:
-  %t170 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t170, ptr %a171
-  call void @finch_str_copy(ptr %a172, ptr %a171)
-  %t173 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t173, ptr %a102
-  br label %endif10191
-endif10191:
-  %t174 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a175
-  br label %each.cond10208
-each.cond10208:
-  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i32 0, i32 1
-  %t177 = load i64, ptr %t176
-  %t178 = load i64, ptr %a175
-  %t179 = icmp slt i64 %t178, %t177
-  br i1 %t179, label %each.body10209, label %each.end10211
-each.body10209:
-  %t180 = load ptr, ptr %t174
-  %t181 = getelementptr inbounds %S.lsp.FnRec, ptr %t180, i64 %t178
-  %t182 = load %S.lsp.FnRec, ptr %t181
-  store %S.lsp.FnRec %t182, ptr %a183
-  %t184 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 1
-  %t185 = load { ptr, i64, i64 }, ptr %t184
-  %t186 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t185, ptr %a187
-  store { ptr, i64, i64 } %t186, ptr %a188
-  %t189 = call i32 @finch_str_eq(ptr %a187, ptr %a188)
-  %t190 = icmp ne i32 %t189, 0
-  br label %logic.from10212
-logic.from10212:
-  br i1 %t190, label %logic.rhs10213, label %logic.end10214
-logic.rhs10213:
-  %t191 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 2
-  %t192 = load { ptr, i64, i64 }, ptr %t191
-  %t193 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } %t193, ptr %a195
-  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
-  %t197 = icmp ne i32 %t196, 0
-  br label %logic.rend10215
-logic.rend10215:
-  br label %logic.end10214
-logic.end10214:
-  %t198 = phi i1 [ false, %logic.from10212 ], [ %t197, %logic.rend10215 ]
-  br i1 %t198, label %then10216, label %endif10218
-then10216:
-  %t199 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t199, ptr %a200
-  %t201 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 7
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  %t203 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t202)
-  call void @finch.json.Json.set(ptr %a200, { ptr, i64, i64 } { ptr @.str.6746, i64 5, i64 0 }, %S.json.Json %t203)
-  %t204 = call %S.json.Json @finch.json.new_list()
+  store %S.lsp.VarRec %t144, ptr %a149
+  call void @finch.drop.S_lsp_VarRec(ptr %a149)
+  store { ptr, i64, i64 } %t148, ptr %a150
+  %t151 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t151, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.6959, i64 4, i64 0 }, ptr %a154
+  %t155 = call i32 @finch_str_starts(ptr %a152, ptr %a154)
+  %t156 = icmp ne i32 %t155, 0
+  br label %logic.from10727
+logic.from10727:
+  br i1 %t156, label %logic.rhs10728, label %logic.end10729
+logic.rhs10728:
+  %t157 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.6961, i64 1, i64 0 }, ptr %a160
+  %t161 = call i32 @finch_str_ends(ptr %a158, ptr %a160)
+  %t162 = icmp ne i32 %t161, 0
+  br label %logic.rend10730
+logic.rend10730:
+  br label %logic.end10729
+logic.end10729:
+  %t163 = phi i1 [ false, %logic.from10727 ], [ %t162, %logic.rend10730 ]
+  br i1 %t163, label %then10731, label %endif10733
+then10731:
+  %t164 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t164, ptr %a165
+  %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %a150, i32 0, i32 1
+  %t168 = load i64, ptr %t167
+  %t169 = sub i64 %t168, 1
+  call void @finch_str_sub(ptr %a166, ptr %a165, i64 4, i64 %t169, ptr @.str.6962, i64 717)
+  %t170 = load { ptr, i64, i64 }, ptr %a166
+  %t171 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t170, ptr %a150
+  store { ptr, i64, i64 } %t171, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  br label %endif10733
+endif10733:
+  %t173 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t173, ptr %a174
+  call void @finch_str_copy(ptr %a175, ptr %a174)
+  %t176 = load { ptr, i64, i64 }, ptr %a175
+  %t177 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t176, ptr %a102
+  store { ptr, i64, i64 } %t177, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  call void @finch_str_drop(ptr %a150)
+  call void @finch_str_drop(ptr %a139)
+  br label %endif10717
+endif10717:
+  %t179 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a180
+  br label %each.cond10734
+each.cond10734:
+  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i32 0, i32 1
+  %t182 = load i64, ptr %t181
+  %t183 = load i64, ptr %a180
+  %t184 = icmp slt i64 %t183, %t182
+  br i1 %t184, label %each.body10735, label %each.end10737
+each.body10735:
+  %t185 = load ptr, ptr %t179
+  %t186 = getelementptr inbounds %S.lsp.FnRec, ptr %t185, i64 %t183
+  %t187 = load %S.lsp.FnRec, ptr %t186
+  store %S.lsp.FnRec %t187, ptr %a188
+  %t189 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 1
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  %t191 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t190, ptr %a192
+  store { ptr, i64, i64 } %t191, ptr %a193
+  %t194 = call i32 @finch_str_eq(ptr %a192, ptr %a193)
+  %t195 = icmp ne i32 %t194, 0
+  br label %logic.from10738
+logic.from10738:
+  br i1 %t195, label %logic.rhs10739, label %logic.end10740
+logic.rhs10739:
+  %t196 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 2
+  %t197 = load { ptr, i64, i64 }, ptr %t196
+  %t198 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t197, ptr %a199
+  store { ptr, i64, i64 } %t198, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp ne i32 %t201, 0
+  br label %logic.rend10741
+logic.rend10741:
+  br label %logic.end10740
+logic.end10740:
+  %t203 = phi i1 [ false, %logic.from10738 ], [ %t202, %logic.rend10741 ]
+  br i1 %t203, label %then10742, label %endif10744
+then10742:
+  %t204 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t204, ptr %a205
-  %t206 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 8
-  store i64 0, ptr %a207
-  br label %each.cond10219
-each.cond10219:
-  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
-  %t209 = load i64, ptr %t208
-  %t210 = load i64, ptr %a207
-  %t211 = icmp slt i64 %t210, %t209
-  br i1 %t211, label %each.body10220, label %each.end10222
-each.body10220:
-  %t212 = load ptr, ptr %t206
-  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i64 %t210
-  %t214 = load { ptr, i64, i64 }, ptr %t213
-  store { ptr, i64, i64 } %t214, ptr %a215
-  %t216 = getelementptr inbounds { ptr, i64, i64 }, ptr %a215, i32 0, i32 1
-  %t217 = load i64, ptr %t216
-  %t218 = icmp sgt i64 %t217, 0
-  br i1 %t218, label %then10223, label %endif10225
-then10223:
-  %t219 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t219, ptr %a220
-  %t221 = load { ptr, i64, i64 }, ptr %a215
-  %t222 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t221)
-  call void @finch.json.Json.set(ptr %a220, { ptr, i64, i64 } { ptr @.str.6747, i64 5, i64 0 }, %S.json.Json %t222)
-  %t223 = load %S.json.Json, ptr %a220
-  call void @finch.json.Json.push(ptr %a205, %S.json.Json %t223)
-  br label %endif10225
-endif10225:
-  br label %each.step10221
-each.step10221:
-  %t224 = load i64, ptr %a207
-  %t225 = add i64 %t224, 1
-  store i64 %t225, ptr %a207
-  br label %each.cond10219
-each.end10222:
-  %t226 = load %S.json.Json, ptr %a205
-  call void @finch.json.Json.set(ptr %a200, { ptr, i64, i64 } { ptr @.str.6748, i64 10, i64 0 }, %S.json.Json %t226)
-  %t227 = call %S.json.Json @finch.json.new_list()
-  store %S.json.Json %t227, ptr %a228
-  %t229 = load %S.json.Json, ptr %a200
-  call void @finch.json.Json.push(ptr %a228, %S.json.Json %t229)
-  %t230 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t230, ptr %a231
-  %t232 = load %S.json.Json, ptr %a228
-  call void @finch.json.Json.set(ptr %a231, { ptr, i64, i64 } { ptr @.str.6749, i64 10, i64 0 }, %S.json.Json %t232)
-  %t233 = call %S.json.Json @finch.lsp.num(i64 0)
-  call void @finch.json.Json.set(ptr %a231, { ptr, i64, i64 } { ptr @.str.6750, i64 15, i64 0 }, %S.json.Json %t233)
-  %t234 = load i64, ptr %a26
-  %t235 = call %S.json.Json @finch.lsp.num(i64 %t234)
-  call void @finch.json.Json.set(ptr %a231, { ptr, i64, i64 } { ptr @.str.6751, i64 15, i64 0 }, %S.json.Json %t235)
-  %t236 = load %S.json.Json, ptr %a231
-  ret %S.json.Json %t236
-endif10218:
-  br label %each.step10210
-each.step10210:
-  %t237 = load i64, ptr %a175
-  %t238 = add i64 %t237, 1
-  store i64 %t238, ptr %a175
-  br label %each.cond10208
-each.end10211:
-  %t239 = call { ptr, i64, i64 } @finch.docs.builtins()
-  %t240 = load { ptr, i64, i64 }, ptr %a97
-  %t241 = call %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %t239, { ptr, i64, i64 } %t240)
-  store %S.docs.Doc %t241, ptr %a242
-  %t243 = getelementptr inbounds %S.docs.Doc, ptr %a242, i32 0, i32 0
-  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
-  %t245 = load i64, ptr %t244
-  %t246 = icmp sgt i64 %t245, 0
-  br i1 %t246, label %then10226, label %endif10228
-then10226:
-  %t247 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t247, ptr %a248
-  %t249 = getelementptr inbounds %S.docs.Doc, ptr %a242, i32 0, i32 1
-  %t250 = load { ptr, i64, i64 }, ptr %t249
-  %t251 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t250)
-  call void @finch.json.Json.set(ptr %a248, { ptr, i64, i64 } { ptr @.str.6752, i64 5, i64 0 }, %S.json.Json %t251)
-  %t252 = getelementptr inbounds %S.docs.Doc, ptr %a242, i32 0, i32 2
-  %t253 = load { ptr, i64, i64 }, ptr %t252
-  %t254 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t253)
-  call void @finch.json.Json.set(ptr %a248, { ptr, i64, i64 } { ptr @.str.6753, i64 13, i64 0 }, %S.json.Json %t254)
-  %t255 = call %S.json.Json @finch.json.new_list()
-  store %S.json.Json %t255, ptr %a256
-  %t257 = load %S.json.Json, ptr %a248
-  call void @finch.json.Json.push(ptr %a256, %S.json.Json %t257)
-  %t258 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t258, ptr %a259
-  %t260 = load %S.json.Json, ptr %a256
-  call void @finch.json.Json.set(ptr %a259, { ptr, i64, i64 } { ptr @.str.6754, i64 10, i64 0 }, %S.json.Json %t260)
-  %t261 = call %S.json.Json @finch.lsp.num(i64 0)
-  call void @finch.json.Json.set(ptr %a259, { ptr, i64, i64 } { ptr @.str.6755, i64 15, i64 0 }, %S.json.Json %t261)
-  %t262 = load i64, ptr %a26
-  %t263 = call %S.json.Json @finch.lsp.num(i64 %t262)
-  call void @finch.json.Json.set(ptr %a259, { ptr, i64, i64 } { ptr @.str.6756, i64 15, i64 0 }, %S.json.Json %t263)
-  %t264 = load %S.json.Json, ptr %a259
-  ret %S.json.Json %t264
-endif10228:
-  %t265 = call %S.json.Json @finch.json.new_null()
-  ret %S.json.Json %t265
+  %t206 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 7
+  %t207 = load { ptr, i64, i64 }, ptr %t206
+  %t208 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t207)
+  call void @finch.json.Json.set(ptr %a205, { ptr, i64, i64 } { ptr @.str.6963, i64 5, i64 0 }, %S.json.Json %t208)
+  store %S.json.Json %t208, ptr %a209
+  call void @finch.drop.S_json_Json(ptr %a209)
+  %t210 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t210, ptr %a211
+  %t212 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 8
+  store i64 0, ptr %a213
+  br label %each.cond10745
+each.cond10745:
+  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i32 0, i32 1
+  %t215 = load i64, ptr %t214
+  %t216 = load i64, ptr %a213
+  %t217 = icmp slt i64 %t216, %t215
+  br i1 %t217, label %each.body10746, label %each.end10748
+each.body10746:
+  %t218 = load ptr, ptr %t212
+  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i64 %t216
+  %t220 = load { ptr, i64, i64 }, ptr %t219
+  store { ptr, i64, i64 } %t220, ptr %a221
+  %t222 = getelementptr inbounds { ptr, i64, i64 }, ptr %a221, i32 0, i32 1
+  %t223 = load i64, ptr %t222
+  %t224 = icmp sgt i64 %t223, 0
+  br i1 %t224, label %then10749, label %endif10751
+then10749:
+  %t225 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t225, ptr %a226
+  %t227 = load { ptr, i64, i64 }, ptr %a221
+  %t228 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t227)
+  call void @finch.json.Json.set(ptr %a226, { ptr, i64, i64 } { ptr @.str.6964, i64 5, i64 0 }, %S.json.Json %t228)
+  store %S.json.Json %t228, ptr %a229
+  call void @finch.drop.S_json_Json(ptr %a229)
+  %t230 = load %S.json.Json, ptr %a226
+  call void @finch.json.Json.push(ptr %a211, %S.json.Json %t230)
+  call void @finch.drop.S_json_Json(ptr %a226)
+  br label %endif10751
+endif10751:
+  br label %each.step10747
+each.step10747:
+  %t231 = load i64, ptr %a213
+  %t232 = add i64 %t231, 1
+  store i64 %t232, ptr %a213
+  br label %each.cond10745
+each.end10748:
+  %t233 = load %S.json.Json, ptr %a211
+  call void @finch.json.Json.set(ptr %a205, { ptr, i64, i64 } { ptr @.str.6965, i64 10, i64 0 }, %S.json.Json %t233)
+  %t234 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t234, ptr %a235
+  %t236 = load %S.json.Json, ptr %a205
+  call void @finch.json.Json.push(ptr %a235, %S.json.Json %t236)
+  %t237 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t237, ptr %a238
+  %t239 = load %S.json.Json, ptr %a235
+  call void @finch.json.Json.set(ptr %a238, { ptr, i64, i64 } { ptr @.str.6966, i64 10, i64 0 }, %S.json.Json %t239)
+  %t240 = call %S.json.Json @finch.lsp.num(i64 0)
+  call void @finch.json.Json.set(ptr %a238, { ptr, i64, i64 } { ptr @.str.6967, i64 15, i64 0 }, %S.json.Json %t240)
+  store %S.json.Json %t240, ptr %a241
+  call void @finch.drop.S_json_Json(ptr %a241)
+  %t242 = load i64, ptr %a26
+  %t243 = call %S.json.Json @finch.lsp.num(i64 %t242)
+  call void @finch.json.Json.set(ptr %a238, { ptr, i64, i64 } { ptr @.str.6968, i64 15, i64 0 }, %S.json.Json %t243)
+  store %S.json.Json %t243, ptr %a244
+  call void @finch.drop.S_json_Json(ptr %a244)
+  %t245 = load %S.json.Json, ptr %a238
+  call void @finch.drop.S_json_Json(ptr %a235)
+  call void @finch.drop.S_json_Json(ptr %a211)
+  call void @finch.drop.S_json_Json(ptr %a205)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.json.Json %t245
+endif10744:
+  br label %each.step10736
+each.step10736:
+  %t246 = load i64, ptr %a180
+  %t247 = add i64 %t246, 1
+  store i64 %t247, ptr %a180
+  br label %each.cond10734
+each.end10737:
+  %t248 = call { ptr, i64, i64 } @finch.docs.builtins()
+  %t249 = load { ptr, i64, i64 }, ptr %a97
+  %t250 = call %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %t248, { ptr, i64, i64 } %t249)
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch.drop.arr_S_docs_Doc(ptr %a251)
+  store %S.docs.Doc %t250, ptr %a252
+  %t253 = getelementptr inbounds %S.docs.Doc, ptr %a252, i32 0, i32 0
+  %t254 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i32 0, i32 1
+  %t255 = load i64, ptr %t254
+  %t256 = icmp sgt i64 %t255, 0
+  br i1 %t256, label %then10752, label %endif10754
+then10752:
+  %t257 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t257, ptr %a258
+  %t259 = getelementptr inbounds %S.docs.Doc, ptr %a252, i32 0, i32 1
+  %t260 = load { ptr, i64, i64 }, ptr %t259
+  %t261 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t260)
+  call void @finch.json.Json.set(ptr %a258, { ptr, i64, i64 } { ptr @.str.6969, i64 5, i64 0 }, %S.json.Json %t261)
+  store %S.json.Json %t261, ptr %a262
+  call void @finch.drop.S_json_Json(ptr %a262)
+  %t263 = getelementptr inbounds %S.docs.Doc, ptr %a252, i32 0, i32 2
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  %t265 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t264)
+  call void @finch.json.Json.set(ptr %a258, { ptr, i64, i64 } { ptr @.str.6970, i64 13, i64 0 }, %S.json.Json %t265)
+  store %S.json.Json %t265, ptr %a266
+  call void @finch.drop.S_json_Json(ptr %a266)
+  %t267 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t267, ptr %a268
+  %t269 = load %S.json.Json, ptr %a258
+  call void @finch.json.Json.push(ptr %a268, %S.json.Json %t269)
+  %t270 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t270, ptr %a271
+  %t272 = load %S.json.Json, ptr %a268
+  call void @finch.json.Json.set(ptr %a271, { ptr, i64, i64 } { ptr @.str.6971, i64 10, i64 0 }, %S.json.Json %t272)
+  %t273 = call %S.json.Json @finch.lsp.num(i64 0)
+  call void @finch.json.Json.set(ptr %a271, { ptr, i64, i64 } { ptr @.str.6972, i64 15, i64 0 }, %S.json.Json %t273)
+  store %S.json.Json %t273, ptr %a274
+  call void @finch.drop.S_json_Json(ptr %a274)
+  %t275 = load i64, ptr %a26
+  %t276 = call %S.json.Json @finch.lsp.num(i64 %t275)
+  call void @finch.json.Json.set(ptr %a271, { ptr, i64, i64 } { ptr @.str.6973, i64 15, i64 0 }, %S.json.Json %t276)
+  store %S.json.Json %t276, ptr %a277
+  call void @finch.drop.S_json_Json(ptr %a277)
+  %t278 = load %S.json.Json, ptr %a271
+  call void @finch.drop.S_json_Json(ptr %a268)
+  call void @finch.drop.S_json_Json(ptr %a258)
+  call void @finch.drop.S_docs_Doc(ptr %a252)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.json.Json %t278
+endif10754:
+  %t279 = call %S.json.Json @finch.json.new_null()
+  call void @finch.drop.S_docs_Doc(ptr %a252)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.json.Json %t279
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.textOf(%S.json.Json %p0) {
@@ -90675,11 +108399,13 @@ entry:
   %a3 = alloca %S.json.Json, align 16
   %a5 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
-  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6757, i64 12, i64 0 })
+  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6974, i64 12, i64 0 })
   store %S.json.Json %t2, ptr %a3
-  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6758, i64 4, i64 0 })
+  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6975, i64 4, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a3)
   store %S.json.Json %t4, ptr %a5
-  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6759, i64 0, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6976, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a5)
   ret { ptr, i64, i64 } %t6
 }
 
@@ -90688,13 +108414,18 @@ entry:
   %a1 = alloca %S.json.Json, align 16
   %a3 = alloca %S.json.Json, align 16
   %a5 = alloca %S.json.Json, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
   store %S.json.Json %p0, ptr %a1
-  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6760, i64 12, i64 0 })
+  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6977, i64 12, i64 0 })
   store %S.json.Json %t2, ptr %a3
-  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6761, i64 3, i64 0 })
+  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6978, i64 3, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a3)
   store %S.json.Json %t4, ptr %a5
-  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6762, i64 0, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6979, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a5)
   %t7 = call { ptr, i64, i64 } @finch.lsp.uriToPath({ ptr, i64, i64 } %t6)
+  store { ptr, i64, i64 } %t6, ptr %a8
+  call void @finch_str_drop(ptr %a8)
   ret { ptr, i64, i64 } %t7
 }
 
@@ -90708,277 +108439,314 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca %S.json.Json, align 16
+  %a18 = alloca %S.json.Json, align 16
+  %a20 = alloca %S.json.Json, align 16
   %a22 = alloca %S.json.Json, align 16
   %a24 = alloca %S.json.Json, align 16
-  %a29 = alloca %S.json.Json, align 16
-  %a31 = alloca %S.json.Json, align 16
-  %a37 = alloca %S.json.Json, align 16
+  %a26 = alloca %S.json.Json, align 16
+  %a28 = alloca %S.json.Json, align 16
+  %a30 = alloca %S.json.Json, align 16
+  %a34 = alloca %S.json.Json, align 16
+  %a36 = alloca %S.json.Json, align 16
+  %a38 = alloca %S.json.Json, align 16
   %a40 = alloca %S.json.Json, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca %S.json.Json, align 16
+  %a47 = alloca %S.json.Json, align 16
+  %a49 = alloca %S.json.Json, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca i32, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca %S.json.Json, align 16
-  %a95 = alloca %S.json.Json, align 16
-  %a97 = alloca %S.json.Json, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca i32, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.json.Json, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca i32, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca %S.json.Json, align 16
+  %a106 = alloca %S.json.Json, align 16
+  %a108 = alloca %S.json.Json, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca i32, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca %S.json.Json, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca %S.json.Json, align 16
-  %a181 = alloca %S.json.Json, align 16
-  %a184 = alloca i64, align 16
-  %a186 = alloca %S.json.Json, align 16
-  %a188 = alloca %S.json.Json, align 16
-  %a191 = alloca i64, align 16
+  %a177 = alloca %S.json.Json, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca %S.json.Json, align 16
+  %a184 = alloca %S.json.Json, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
   %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca %S.lsp.Analysis, align 16
-  %a213 = alloca %S.lsp.Analysis, align 16
-  %a215 = alloca %S.lsp.Analysis, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca %S.json.Json, align 16
+  %a212 = alloca %S.json.Json, align 16
+  %a215 = alloca i64, align 16
+  %a217 = alloca %S.json.Json, align 16
+  %a219 = alloca %S.json.Json, align 16
+  %a222 = alloca i64, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca %S.json.Json, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca %S.lsp.Analysis, align 16
+  %a245 = alloca %S.lsp.Analysis, align 16
+  %a247 = alloca %S.lsp.Analysis, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
   %a270 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca %S.json.Json, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca %S.json.Json, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca %S.json.Json, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca %S.json.Json, align 16
+  %a322 = alloca %S.json.Json, align 16
+  %a328 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
-  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6763, i64 6, i64 0 })
+  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6980, i64 6, i64 0 })
   store %S.json.Json %t2, ptr %a3
-  %t4 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a3, { ptr, i64, i64 } { ptr @.str.6764, i64 0, i64 0 })
+  %t4 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a3, { ptr, i64, i64 } { ptr @.str.6981, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a3)
   store { ptr, i64, i64 } %t4, ptr %a5
-  %t6 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6765, i64 6, i64 0 })
+  %t6 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6982, i64 6, i64 0 })
   store %S.json.Json %t6, ptr %a7
-  %t8 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6766, i64 2, i64 0 })
+  %t8 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6983, i64 2, i64 0 })
   store %S.json.Json %t8, ptr %a9
   %t10 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.6767, i64 10, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.6984, i64 10, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br i1 %t14, label %match.arm10230, label %match.next10231
-match.arm10230:
+  br i1 %t14, label %match.arm10756, label %match.next10757
+match.arm10756:
   %t15 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t15, ptr %a16
   %t17 = call %S.json.Json @finch.lsp.num(i64 1)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6768, i64 16, i64 0 }, %S.json.Json %t17)
-  %t18 = call %S.json.Json @finch.json.new_bool(i1 true)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6769, i64 13, i64 0 }, %S.json.Json %t18)
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6985, i64 16, i64 0 }, %S.json.Json %t17)
+  store %S.json.Json %t17, ptr %a18
+  call void @finch.drop.S_json_Json(ptr %a18)
   %t19 = call %S.json.Json @finch.json.new_bool(i1 true)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6770, i64 18, i64 0 }, %S.json.Json %t19)
-  %t20 = call %S.json.Json @finch.json.new_bool(i1 true)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6771, i64 22, i64 0 }, %S.json.Json %t20)
-  %t21 = call %S.json.Json @finch.json.new_object()
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6986, i64 13, i64 0 }, %S.json.Json %t19)
+  store %S.json.Json %t19, ptr %a20
+  call void @finch.drop.S_json_Json(ptr %a20)
+  %t21 = call %S.json.Json @finch.json.new_bool(i1 true)
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6987, i64 18, i64 0 }, %S.json.Json %t21)
   store %S.json.Json %t21, ptr %a22
-  %t23 = call %S.json.Json @finch.json.new_list()
+  call void @finch.drop.S_json_Json(ptr %a22)
+  %t23 = call %S.json.Json @finch.json.new_bool(i1 true)
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6988, i64 22, i64 0 }, %S.json.Json %t23)
   store %S.json.Json %t23, ptr %a24
-  %t25 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6772, i64 1, i64 0 })
-  call void @finch.json.Json.push(ptr %a24, %S.json.Json %t25)
-  %t26 = load %S.json.Json, ptr %a24
-  call void @finch.json.Json.set(ptr %a22, { ptr, i64, i64 } { ptr @.str.6773, i64 17, i64 0 }, %S.json.Json %t26)
-  %t27 = load %S.json.Json, ptr %a22
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6774, i64 18, i64 0 }, %S.json.Json %t27)
-  %t28 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t28, ptr %a29
-  %t30 = call %S.json.Json @finch.json.new_list()
-  store %S.json.Json %t30, ptr %a31
-  %t32 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6775, i64 1, i64 0 })
-  call void @finch.json.Json.push(ptr %a31, %S.json.Json %t32)
-  %t33 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6776, i64 1, i64 0 })
-  call void @finch.json.Json.push(ptr %a31, %S.json.Json %t33)
-  %t34 = load %S.json.Json, ptr %a31
-  call void @finch.json.Json.set(ptr %a29, { ptr, i64, i64 } { ptr @.str.6777, i64 17, i64 0 }, %S.json.Json %t34)
-  %t35 = load %S.json.Json, ptr %a29
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6778, i64 21, i64 0 }, %S.json.Json %t35)
-  %t36 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t36, ptr %a37
-  %t38 = load %S.json.Json, ptr %a16
-  call void @finch.json.Json.set(ptr %a37, { ptr, i64, i64 } { ptr @.str.6779, i64 12, i64 0 }, %S.json.Json %t38)
-  %t39 = call %S.json.Json @finch.json.new_object()
+  call void @finch.drop.S_json_Json(ptr %a24)
+  %t25 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t25, ptr %a26
+  %t27 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t27, ptr %a28
+  %t29 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6989, i64 1, i64 0 })
+  call void @finch.json.Json.push(ptr %a28, %S.json.Json %t29)
+  store %S.json.Json %t29, ptr %a30
+  call void @finch.drop.S_json_Json(ptr %a30)
+  %t31 = load %S.json.Json, ptr %a28
+  call void @finch.json.Json.set(ptr %a26, { ptr, i64, i64 } { ptr @.str.6990, i64 17, i64 0 }, %S.json.Json %t31)
+  %t32 = load %S.json.Json, ptr %a26
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6991, i64 18, i64 0 }, %S.json.Json %t32)
+  %t33 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t33, ptr %a34
+  %t35 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t35, ptr %a36
+  %t37 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6992, i64 1, i64 0 })
+  call void @finch.json.Json.push(ptr %a36, %S.json.Json %t37)
+  store %S.json.Json %t37, ptr %a38
+  call void @finch.drop.S_json_Json(ptr %a38)
+  %t39 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6993, i64 1, i64 0 })
+  call void @finch.json.Json.push(ptr %a36, %S.json.Json %t39)
   store %S.json.Json %t39, ptr %a40
-  %t41 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6781, i64 5, i64 0 })
-  call void @finch.json.Json.set(ptr %a40, { ptr, i64, i64 } { ptr @.str.6780, i64 4, i64 0 }, %S.json.Json %t41)
-  %t42 = load %S.json.Json, ptr %a40
-  call void @finch.json.Json.set(ptr %a37, { ptr, i64, i64 } { ptr @.str.6782, i64 10, i64 0 }, %S.json.Json %t42)
-  %t43 = load %S.json.Json, ptr %a9
-  %t44 = load %S.json.Json, ptr %a37
-  call void @finch.lsp.reply(%S.json.Json %t43, %S.json.Json %t44)
-  br label %match.end10229
-match.next10231:
-  store { ptr, i64, i64 } %t10, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.6783, i64 8, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br i1 %t48, label %match.arm10232, label %match.next10233
-match.arm10232:
-  %t49 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 6
-  store i1 true, ptr %t49
-  %t50 = load %S.json.Json, ptr %a9
-  %t51 = call %S.json.Json @finch.json.new_null()
-  call void @finch.lsp.reply(%S.json.Json %t50, %S.json.Json %t51)
-  br label %match.end10229
-match.next10233:
-  store { ptr, i64, i64 } %t10, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.6784, i64 4, i64 0 }, ptr %a53
-  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
-  %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %match.arm10234, label %match.next10235
-match.arm10234:
-  %t56 = trunc i64 0 to i32
-  %t57 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t56)
-  br label %match.end10229
-match.next10235:
-  store { ptr, i64, i64 } %t10, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.6785, i64 20, i64 0 }, ptr %a59
-  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
-  %t61 = icmp ne i32 %t60, 0
-  br i1 %t61, label %match.arm10236, label %match.next10237
-match.arm10236:
-  %t62 = load %S.json.Json, ptr %a7
-  %t63 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t62)
-  store { ptr, i64, i64 } %t63, ptr %a64
-  %t65 = load %S.json.Json, ptr %a7
-  %t66 = call { ptr, i64, i64 } @finch.lsp.textOf(%S.json.Json %t65)
-  %t67 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t68 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t68, ptr %a69
-  store i32 0, ptr %a70
-  %t71 = call i64 @finch_map_slot(ptr %t67, ptr %a69, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a70)
-  %t72 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t67, i32 0, i32 0
-  %t73 = load ptr, ptr %t72
-  %t74 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t73, i64 %t71
-  %t75 = load i32, ptr %a70
-  %t76 = icmp ne i32 %t75, 0
-  br i1 %t76, label %map.new10238, label %map.have10239
-map.new10238:
-  %t77 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t74, i32 0, i32 1
-  call void @finch_str_copy(ptr %t77, ptr %a69)
-  %t78 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t74, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t78
-  br label %map.have10239
-map.have10239:
-  %t79 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t74, i32 0, i32 2
-  store { ptr, i64, i64 } %t66, ptr %t79
-  %t80 = load { ptr, i64, i64 }, ptr %a64
-  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t80)
-  br label %match.end10229
-match.next10237:
-  store { ptr, i64, i64 } %t10, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.6786, i64 22, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %match.arm10240, label %match.next10241
-match.arm10240:
-  %t85 = load %S.json.Json, ptr %a7
-  %t86 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t85)
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.6787, i64 14, i64 0 })
-  store %S.json.Json %t88, ptr %a89
-  %t90 = call i64 @finch.json.Json.len(ptr %a89)
-  %t91 = icmp sgt i64 %t90, 0
-  br i1 %t91, label %then10242, label %endif10244
-then10242:
-  %t92 = call i64 @finch.json.Json.len(ptr %a89)
-  %t93 = sub i64 %t92, 1
-  %t94 = call %S.json.Json @finch.json.Json.at(ptr %a89, i64 %t93)
-  store %S.json.Json %t94, ptr %a95
-  %t96 = call %S.json.Json @finch.json.Json.get(ptr %a95, { ptr, i64, i64 } { ptr @.str.6788, i64 4, i64 0 })
-  store %S.json.Json %t96, ptr %a97
-  %t98 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a97, { ptr, i64, i64 } { ptr @.str.6789, i64 0, i64 0 })
-  %t99 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t100 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store i32 0, ptr %a102
-  %t103 = call i64 @finch_map_slot(ptr %t99, ptr %a101, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a102)
-  %t104 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t99, i32 0, i32 0
-  %t105 = load ptr, ptr %t104
-  %t106 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t105, i64 %t103
-  %t107 = load i32, ptr %a102
-  %t108 = icmp ne i32 %t107, 0
-  br i1 %t108, label %map.new10245, label %map.have10246
-map.new10245:
-  %t109 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t106, i32 0, i32 1
-  call void @finch_str_copy(ptr %t109, ptr %a101)
-  %t110 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t106, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t110
-  br label %map.have10246
-map.have10246:
-  %t111 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t106, i32 0, i32 2
-  store { ptr, i64, i64 } %t98, ptr %t111
-  %t112 = load { ptr, i64, i64 }, ptr %a87
-  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t112)
-  br label %endif10244
-endif10244:
-  br label %match.end10229
-match.next10241:
-  store { ptr, i64, i64 } %t10, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.6790, i64 20, i64 0 }, ptr %a114
-  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
-  %t116 = icmp ne i32 %t115, 0
-  br i1 %t116, label %match.arm10247, label %match.next10248
-match.arm10247:
-  %t117 = load %S.json.Json, ptr %a7
-  %t118 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t117)
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t121 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t121, ptr %a122
-  %t123 = call i64 @finch_map_find(ptr %t120, ptr %a122, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t124 = icmp sge i64 %t123, 0
-  br i1 %t124, label %then10249, label %endif10251
-then10249:
-  %t125 = load { ptr, i64, i64 }, ptr %a119
+  call void @finch.drop.S_json_Json(ptr %a40)
+  %t41 = load %S.json.Json, ptr %a36
+  call void @finch.json.Json.set(ptr %a34, { ptr, i64, i64 } { ptr @.str.6994, i64 17, i64 0 }, %S.json.Json %t41)
+  %t42 = load %S.json.Json, ptr %a34
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6995, i64 21, i64 0 }, %S.json.Json %t42)
+  %t43 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t43, ptr %a44
+  %t45 = load %S.json.Json, ptr %a16
+  call void @finch.json.Json.set(ptr %a44, { ptr, i64, i64 } { ptr @.str.6996, i64 12, i64 0 }, %S.json.Json %t45)
+  %t46 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t46, ptr %a47
+  %t48 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6998, i64 5, i64 0 })
+  call void @finch.json.Json.set(ptr %a47, { ptr, i64, i64 } { ptr @.str.6997, i64 4, i64 0 }, %S.json.Json %t48)
+  store %S.json.Json %t48, ptr %a49
+  call void @finch.drop.S_json_Json(ptr %a49)
+  %t50 = load %S.json.Json, ptr %a47
+  call void @finch.json.Json.set(ptr %a44, { ptr, i64, i64 } { ptr @.str.6999, i64 10, i64 0 }, %S.json.Json %t50)
+  %t51 = load %S.json.Json, ptr %a9
+  %t52 = load %S.json.Json, ptr %a44
+  call void @finch.lsp.reply(%S.json.Json %t51, %S.json.Json %t52)
+  call void @finch.drop.S_json_Json(ptr %a47)
+  call void @finch.drop.S_json_Json(ptr %a44)
+  call void @finch.drop.S_json_Json(ptr %a36)
+  call void @finch.drop.S_json_Json(ptr %a34)
+  call void @finch.drop.S_json_Json(ptr %a28)
+  call void @finch.drop.S_json_Json(ptr %a26)
+  call void @finch.drop.S_json_Json(ptr %a16)
+  br label %match.end10755
+match.next10757:
+  store { ptr, i64, i64 } %t10, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.7000, i64 8, i64 0 }, ptr %a54
+  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br i1 %t56, label %match.arm10758, label %match.next10759
+match.arm10758:
+  %t57 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 6
+  store i1 true, ptr %t57
+  %t58 = load %S.json.Json, ptr %a9
+  %t59 = call %S.json.Json @finch.json.new_null()
+  call void @finch.lsp.reply(%S.json.Json %t58, %S.json.Json %t59)
+  store %S.json.Json %t59, ptr %a60
+  call void @finch.drop.S_json_Json(ptr %a60)
+  br label %match.end10755
+match.next10759:
+  store { ptr, i64, i64 } %t10, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.7001, i64 4, i64 0 }, ptr %a62
+  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
+  %t64 = icmp ne i32 %t63, 0
+  br i1 %t64, label %match.arm10760, label %match.next10761
+match.arm10760:
+  %t65 = trunc i64 0 to i32
+  %t66 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t65)
+  br label %match.end10755
+match.next10761:
+  store { ptr, i64, i64 } %t10, ptr %a67
+  store { ptr, i64, i64 } { ptr @.str.7002, i64 20, i64 0 }, ptr %a68
+  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
+  %t70 = icmp ne i32 %t69, 0
+  br i1 %t70, label %match.arm10762, label %match.next10763
+match.arm10762:
+  %t71 = load %S.json.Json, ptr %a7
+  %t72 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t71)
+  store { ptr, i64, i64 } %t72, ptr %a73
+  %t74 = load %S.json.Json, ptr %a7
+  %t75 = call { ptr, i64, i64 } @finch.lsp.textOf(%S.json.Json %t74)
+  %t76 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a78
+  store i32 0, ptr %a79
+  %t80 = call i64 @finch_map_slot(ptr %t76, ptr %a78, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a79)
+  %t81 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t76, i32 0, i32 0
+  %t82 = load ptr, ptr %t81
+  %t83 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t82, i64 %t80
+  %t84 = load i32, ptr %a79
+  %t85 = icmp ne i32 %t84, 0
+  br i1 %t85, label %map.new10764, label %map.have10765
+map.new10764:
+  %t86 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i32 0, i32 1
+  call void @finch_str_copy(ptr %t86, ptr %a78)
+  %t87 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t87
+  br label %map.have10765
+map.have10765:
+  %t88 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i32 0, i32 2
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t75, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a73
+  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t91)
+  call void @finch_str_drop(ptr %a73)
+  br label %match.end10755
+match.next10763:
+  store { ptr, i64, i64 } %t10, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.7003, i64 22, i64 0 }, ptr %a93
+  %t94 = call i32 @finch_str_eq(ptr %a92, ptr %a93)
+  %t95 = icmp ne i32 %t94, 0
+  br i1 %t95, label %match.arm10766, label %match.next10767
+match.arm10766:
+  %t96 = load %S.json.Json, ptr %a7
+  %t97 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t96)
+  store { ptr, i64, i64 } %t97, ptr %a98
+  %t99 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.7004, i64 14, i64 0 })
+  store %S.json.Json %t99, ptr %a100
+  %t101 = call i64 @finch.json.Json.len(ptr %a100)
+  %t102 = icmp sgt i64 %t101, 0
+  br i1 %t102, label %then10768, label %endif10770
+then10768:
+  %t103 = call i64 @finch.json.Json.len(ptr %a100)
+  %t104 = sub i64 %t103, 1
+  %t105 = call %S.json.Json @finch.json.Json.at(ptr %a100, i64 %t104)
+  store %S.json.Json %t105, ptr %a106
+  %t107 = call %S.json.Json @finch.json.Json.get(ptr %a106, { ptr, i64, i64 } { ptr @.str.7005, i64 4, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a106)
+  store %S.json.Json %t107, ptr %a108
+  %t109 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a108, { ptr, i64, i64 } { ptr @.str.7006, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a108)
+  %t110 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t111 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t111, ptr %a112
+  store i32 0, ptr %a113
+  %t114 = call i64 @finch_map_slot(ptr %t110, ptr %a112, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a113)
+  %t115 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t110, i32 0, i32 0
+  %t116 = load ptr, ptr %t115
+  %t117 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t116, i64 %t114
+  %t118 = load i32, ptr %a113
+  %t119 = icmp ne i32 %t118, 0
+  br i1 %t119, label %map.new10771, label %map.have10772
+map.new10771:
+  %t120 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t117, i32 0, i32 1
+  call void @finch_str_copy(ptr %t120, ptr %a112)
+  %t121 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t117, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t121
+  br label %map.have10772
+map.have10772:
+  %t122 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t117, i32 0, i32 2
+  %t123 = load { ptr, i64, i64 }, ptr %t122
+  store { ptr, i64, i64 } %t109, ptr %t122
+  store { ptr, i64, i64 } %t123, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a98
   call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t125)
-  br label %endif10251
-endif10251:
-  br label %match.end10229
-match.next10248:
+  br label %endif10770
+endif10770:
+  call void @finch.drop.S_json_Json(ptr %a100)
+  call void @finch_str_drop(ptr %a98)
+  br label %match.end10755
+match.next10767:
   store { ptr, i64, i64 } %t10, ptr %a126
-  store { ptr, i64, i64 } { ptr @.str.6791, i64 21, i64 0 }, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.7007, i64 20, i64 0 }, ptr %a127
   %t128 = call i32 @finch_str_eq(ptr %a126, ptr %a127)
   %t129 = icmp ne i32 %t128, 0
-  br i1 %t129, label %match.arm10252, label %match.next10253
-match.arm10252:
+  br i1 %t129, label %match.arm10773, label %match.next10774
+match.arm10773:
   %t130 = load %S.json.Json, ptr %a7
   %t131 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t130)
   store { ptr, i64, i64 } %t131, ptr %a132
@@ -90987,245 +108755,381 @@ match.arm10252:
   store { ptr, i64, i64 } %t134, ptr %a135
   %t136 = call i64 @finch_map_find(ptr %t133, ptr %a135, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t137 = icmp sge i64 %t136, 0
-  br i1 %t137, label %remove.hit10254, label %remove.end10255
-remove.hit10254:
-  call void @finch_map_remove_at(ptr %t133, i64 %t136, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64))
-  br label %remove.end10255
-remove.end10255:
-  %t138 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t139 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t139, ptr %a140
-  %t141 = call i64 @finch_map_find(ptr %t138, ptr %a140, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t142 = icmp sge i64 %t141, 0
-  br i1 %t142, label %remove.hit10256, label %remove.end10257
-remove.hit10256:
-  call void @finch_map_remove_at(ptr %t138, i64 %t141, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
-  br label %remove.end10257
-remove.end10257:
-  %t143 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
-  %t144 = load { ptr, i64, i64 }, ptr %a132
+  br i1 %t137, label %then10775, label %endif10777
+then10775:
+  %t138 = load { ptr, i64, i64 }, ptr %a132
+  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t138)
+  br label %endif10777
+endif10777:
+  call void @finch_str_drop(ptr %a132)
+  br label %match.end10755
+match.next10774:
+  store { ptr, i64, i64 } %t10, ptr %a139
+  store { ptr, i64, i64 } { ptr @.str.7008, i64 21, i64 0 }, ptr %a140
+  %t141 = call i32 @finch_str_eq(ptr %a139, ptr %a140)
+  %t142 = icmp ne i32 %t141, 0
+  br i1 %t142, label %match.arm10778, label %match.next10779
+match.arm10778:
+  %t143 = load %S.json.Json, ptr %a7
+  %t144 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t143)
   store { ptr, i64, i64 } %t144, ptr %a145
-  %t146 = call i64 @finch_map_find(ptr %t143, ptr %a145, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t147 = icmp sge i64 %t146, 0
-  br i1 %t147, label %remove.hit10258, label %remove.end10259
-remove.hit10258:
-  call void @finch_map_remove_at(ptr %t143, i64 %t146, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
-  br label %remove.end10259
-remove.end10259:
-  %t148 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t148, ptr %a149
-  %t150 = load { ptr, i64, i64 }, ptr %a132
-  %t151 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t150)
-  %t152 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t151)
-  call void @finch.json.Json.set(ptr %a149, { ptr, i64, i64 } { ptr @.str.6792, i64 3, i64 0 }, %S.json.Json %t152)
-  %t153 = call %S.json.Json @finch.json.new_list()
-  call void @finch.json.Json.set(ptr %a149, { ptr, i64, i64 } { ptr @.str.6793, i64 11, i64 0 }, %S.json.Json %t153)
-  %t154 = load %S.json.Json, ptr %a149
-  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.6794, i64 31, i64 0 }, %S.json.Json %t154)
-  br label %match.end10229
-match.next10253:
-  store { ptr, i64, i64 } %t10, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.6795, i64 18, i64 0 }, ptr %a156
-  %t157 = call i32 @finch_str_eq(ptr %a155, ptr %a156)
-  %t158 = icmp ne i32 %t157, 0
-  br i1 %t158, label %match.arm10260, label %match.or10262
-match.or10262:
-  store { ptr, i64, i64 } %t10, ptr %a159
-  store { ptr, i64, i64 } { ptr @.str.6796, i64 23, i64 0 }, ptr %a160
-  %t161 = call i32 @finch_str_eq(ptr %a159, ptr %a160)
-  %t162 = icmp ne i32 %t161, 0
-  br i1 %t162, label %match.arm10260, label %match.or10263
-match.or10263:
-  store { ptr, i64, i64 } %t10, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.6797, i64 23, i64 0 }, ptr %a164
-  %t165 = call i32 @finch_str_eq(ptr %a163, ptr %a164)
-  %t166 = icmp ne i32 %t165, 0
-  br i1 %t166, label %match.arm10260, label %match.or10264
-match.or10264:
-  store { ptr, i64, i64 } %t10, ptr %a167
-  store { ptr, i64, i64 } { ptr @.str.6798, i64 27, i64 0 }, ptr %a168
-  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
-  %t170 = icmp ne i32 %t169, 0
-  br i1 %t170, label %match.arm10260, label %match.or10265
-match.or10265:
-  store { ptr, i64, i64 } %t10, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.6799, i64 26, i64 0 }, ptr %a172
-  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
-  %t174 = icmp ne i32 %t173, 0
-  br i1 %t174, label %match.arm10260, label %match.next10261
-match.arm10260:
-  %t175 = load %S.json.Json, ptr %a7
-  %t176 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t175)
-  store { ptr, i64, i64 } %t176, ptr %a177
-  %t178 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.6800, i64 8, i64 0 })
-  store %S.json.Json %t178, ptr %a179
-  %t180 = call %S.json.Json @finch.json.Json.get(ptr %a179, { ptr, i64, i64 } { ptr @.str.6801, i64 4, i64 0 })
-  store %S.json.Json %t180, ptr %a181
-  %t182 = call i64 @finch.json.Json.int_or(ptr %a181, i64 0)
-  %t183 = add i64 %t182, 1
-  store i64 %t183, ptr %a184
-  %t185 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.6802, i64 8, i64 0 })
-  store %S.json.Json %t185, ptr %a186
-  %t187 = call %S.json.Json @finch.json.Json.get(ptr %a186, { ptr, i64, i64 } { ptr @.str.6803, i64 9, i64 0 })
-  store %S.json.Json %t187, ptr %a188
-  %t189 = call i64 @finch.json.Json.int_or(ptr %a188, i64 0)
-  %t190 = add i64 %t189, 1
-  store i64 %t190, ptr %a191
-  %t192 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t193 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t193, ptr %a194
-  %t195 = call i64 @finch_map_find(ptr %t192, ptr %a194, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t196 = icmp sge i64 %t195, 0
-  %t197 = xor i1 %t196, true
-  br i1 %t197, label %then10266, label %endif10268
-then10266:
-  %t198 = load %S.json.Json, ptr %a9
-  %t199 = call %S.json.Json @finch.json.new_null()
-  call void @finch.lsp.reply(%S.json.Json %t198, %S.json.Json %t199)
+  %t146 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t147 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t147, ptr %a148
+  %t149 = call i64 @finch_map_find(ptr %t146, ptr %a148, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t150 = icmp sge i64 %t149, 0
+  br i1 %t150, label %remove.hit10780, label %remove.end10781
+remove.hit10780:
+  %t151 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t146, i32 0, i32 0
+  %t152 = load ptr, ptr %t151
+  %t153 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t152, i64 %t149
+  %t154 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t153, i32 0, i32 1
+  call void @finch_str_drop(ptr %t154)
+  %t155 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t153, i32 0, i32 2
+  call void @finch_str_drop(ptr %t155)
+  call void @finch_map_remove_at(ptr %t146, i64 %t149, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64))
+  br label %remove.end10781
+remove.end10781:
+  %t156 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t157 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t157, ptr %a158
+  %t159 = call i64 @finch_map_find(ptr %t156, ptr %a158, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t160 = icmp sge i64 %t159, 0
+  br i1 %t160, label %remove.hit10782, label %remove.end10783
+remove.hit10782:
+  %t161 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t156, i32 0, i32 0
+  %t162 = load ptr, ptr %t161
+  %t163 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t162, i64 %t159
+  %t164 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t163, i32 0, i32 1
+  call void @finch_str_drop(ptr %t164)
+  %t165 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t163, i32 0, i32 2
+  call void @finch.drop.S_lsp_Analysis(ptr %t165)
+  call void @finch_map_remove_at(ptr %t156, i64 %t159, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
+  br label %remove.end10783
+remove.end10783:
+  %t166 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
+  %t167 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t167, ptr %a168
+  %t169 = call i64 @finch_map_find(ptr %t166, ptr %a168, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t170 = icmp sge i64 %t169, 0
+  br i1 %t170, label %remove.hit10784, label %remove.end10785
+remove.hit10784:
+  %t171 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t166, i32 0, i32 0
+  %t172 = load ptr, ptr %t171
+  %t173 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t172, i64 %t169
+  %t174 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t173, i32 0, i32 1
+  call void @finch_str_drop(ptr %t174)
+  %t175 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t173, i32 0, i32 2
+  call void @finch.drop.S_lsp_Analysis(ptr %t175)
+  call void @finch_map_remove_at(ptr %t166, i64 %t169, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
+  br label %remove.end10785
+remove.end10785:
+  %t176 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t176, ptr %a177
+  %t178 = load { ptr, i64, i64 }, ptr %a145
+  %t179 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t178)
+  %t180 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t179)
+  store { ptr, i64, i64 } %t179, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  call void @finch.json.Json.set(ptr %a177, { ptr, i64, i64 } { ptr @.str.7009, i64 3, i64 0 }, %S.json.Json %t180)
+  store %S.json.Json %t180, ptr %a182
+  call void @finch.drop.S_json_Json(ptr %a182)
+  %t183 = call %S.json.Json @finch.json.new_list()
+  call void @finch.json.Json.set(ptr %a177, { ptr, i64, i64 } { ptr @.str.7010, i64 11, i64 0 }, %S.json.Json %t183)
+  store %S.json.Json %t183, ptr %a184
+  call void @finch.drop.S_json_Json(ptr %a184)
+  %t185 = load %S.json.Json, ptr %a177
+  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.7011, i64 31, i64 0 }, %S.json.Json %t185)
+  call void @finch.drop.S_json_Json(ptr %a177)
+  call void @finch_str_drop(ptr %a145)
+  br label %match.end10755
+match.next10779:
+  store { ptr, i64, i64 } %t10, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.7012, i64 18, i64 0 }, ptr %a187
+  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
+  %t189 = icmp ne i32 %t188, 0
+  br i1 %t189, label %match.arm10786, label %match.or10788
+match.or10788:
+  store { ptr, i64, i64 } %t10, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.7013, i64 23, i64 0 }, ptr %a191
+  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
+  %t193 = icmp ne i32 %t192, 0
+  br i1 %t193, label %match.arm10786, label %match.or10789
+match.or10789:
+  store { ptr, i64, i64 } %t10, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.7014, i64 23, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br i1 %t197, label %match.arm10786, label %match.or10790
+match.or10790:
+  store { ptr, i64, i64 } %t10, ptr %a198
+  store { ptr, i64, i64 } { ptr @.str.7015, i64 27, i64 0 }, ptr %a199
+  %t200 = call i32 @finch_str_eq(ptr %a198, ptr %a199)
+  %t201 = icmp ne i32 %t200, 0
+  br i1 %t201, label %match.arm10786, label %match.or10791
+match.or10791:
+  store { ptr, i64, i64 } %t10, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.7016, i64 26, i64 0 }, ptr %a203
+  %t204 = call i32 @finch_str_eq(ptr %a202, ptr %a203)
+  %t205 = icmp ne i32 %t204, 0
+  br i1 %t205, label %match.arm10786, label %match.next10787
+match.arm10786:
+  %t206 = load %S.json.Json, ptr %a7
+  %t207 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t206)
+  store { ptr, i64, i64 } %t207, ptr %a208
+  %t209 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.7017, i64 8, i64 0 })
+  store %S.json.Json %t209, ptr %a210
+  %t211 = call %S.json.Json @finch.json.Json.get(ptr %a210, { ptr, i64, i64 } { ptr @.str.7018, i64 4, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a210)
+  store %S.json.Json %t211, ptr %a212
+  %t213 = call i64 @finch.json.Json.int_or(ptr %a212, i64 0)
+  call void @finch.drop.S_json_Json(ptr %a212)
+  %t214 = add i64 %t213, 1
+  store i64 %t214, ptr %a215
+  %t216 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.7019, i64 8, i64 0 })
+  store %S.json.Json %t216, ptr %a217
+  %t218 = call %S.json.Json @finch.json.Json.get(ptr %a217, { ptr, i64, i64 } { ptr @.str.7020, i64 9, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a217)
+  store %S.json.Json %t218, ptr %a219
+  %t220 = call i64 @finch.json.Json.int_or(ptr %a219, i64 0)
+  call void @finch.drop.S_json_Json(ptr %a219)
+  %t221 = add i64 %t220, 1
+  store i64 %t221, ptr %a222
+  %t223 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t224 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t224, ptr %a225
+  %t226 = call i64 @finch_map_find(ptr %t223, ptr %a225, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t227 = icmp sge i64 %t226, 0
+  %t228 = xor i1 %t227, true
+  br i1 %t228, label %then10792, label %endif10794
+then10792:
+  %t229 = load %S.json.Json, ptr %a9
+  %t230 = call %S.json.Json @finch.json.new_null()
+  call void @finch.lsp.reply(%S.json.Json %t229, %S.json.Json %t230)
+  store %S.json.Json %t230, ptr %a231
+  call void @finch.drop.S_json_Json(ptr %a231)
+  call void @finch_str_drop(ptr %a208)
+  call void @finch.drop.S_json_Json(ptr %a9)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  call void @finch_str_drop(ptr %a5)
   ret void
-endif10268:
-  %t200 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t201 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t201, ptr %a202
-  %t203 = call i64 @finch_map_find(ptr %t200, ptr %a202, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t204 = icmp slt i64 %t203, 0
-  br i1 %t204, label %map.missing10269, label %map.found10270
-map.missing10269:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a205
-  store { ptr, i64, i64 } %t201, ptr %a206
-  call void @finch_buf_str(ptr %a205, ptr %a206, i32 1)
-  call void @finch_map_missing(ptr @.str.6804, i64 842, ptr %a205)
-  unreachable
-map.found10270:
-  %t207 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t200, i32 0, i32 0
-  %t208 = load ptr, ptr %t207
-  %t209 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t208, i64 %t203
-  %t210 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t209, i32 0, i32 2
-  %t211 = load %S.lsp.Analysis, ptr %t210
-  store %S.lsp.Analysis %t211, ptr %a212
-  call void @finch.copy.S_lsp_Analysis(ptr %a213, ptr %a212)
-  %t214 = load %S.lsp.Analysis, ptr %a213
-  store %S.lsp.Analysis %t214, ptr %a215
-  store { ptr, i64, i64 } { ptr @.str.6805, i64 0, i64 0 }, ptr %a216
-  %t217 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t218 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t218, ptr %a219
-  %t220 = call i64 @finch_map_find(ptr %t217, ptr %a219, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t221 = icmp sge i64 %t220, 0
-  br i1 %t221, label %then10271, label %endif10273
-then10271:
-  %t222 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t223 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t223, ptr %a224
-  %t225 = call i64 @finch_map_find(ptr %t222, ptr %a224, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t226 = icmp slt i64 %t225, 0
-  br i1 %t226, label %map.missing10274, label %map.found10275
-map.missing10274:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a227
-  store { ptr, i64, i64 } %t223, ptr %a228
-  call void @finch_buf_str(ptr %a227, ptr %a228, i32 1)
-  call void @finch_map_missing(ptr @.str.6806, i64 845, ptr %a227)
-  unreachable
-map.found10275:
-  %t229 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t222, i32 0, i32 0
-  %t230 = load ptr, ptr %t229
-  %t231 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t230, i64 %t225
-  %t232 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t231, i32 0, i32 2
-  %t233 = load { ptr, i64, i64 }, ptr %t232
+endif10794:
+  %t232 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t233 = load { ptr, i64, i64 }, ptr %a208
   store { ptr, i64, i64 } %t233, ptr %a234
-  call void @finch_str_copy(ptr %a235, ptr %a234)
-  %t236 = load { ptr, i64, i64 }, ptr %a235
-  store { ptr, i64, i64 } %t236, ptr %a216
-  br label %endif10273
-endif10273:
-  %t237 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t237, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.6807, i64 18, i64 0 }, ptr %a239
-  %t240 = call i32 @finch_str_eq(ptr %a238, ptr %a239)
-  %t241 = icmp ne i32 %t240, 0
-  br i1 %t241, label %match.arm10277, label %match.next10278
-match.arm10277:
-  %t242 = load %S.json.Json, ptr %a9
-  %t243 = load %S.lsp.Analysis, ptr %a215
-  %t244 = load { ptr, i64, i64 }, ptr %a177
-  %t245 = load i64, ptr %a184
-  %t246 = load i64, ptr %a191
-  %t247 = call %S.json.Json @finch.lsp.hoverAt(%S.lsp.Analysis %t243, { ptr, i64, i64 } %t244, i64 %t245, i64 %t246)
-  call void @finch.lsp.reply(%S.json.Json %t242, %S.json.Json %t247)
-  br label %match.end10276
-match.next10278:
-  store { ptr, i64, i64 } %t237, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.6808, i64 23, i64 0 }, ptr %a249
-  %t250 = call i32 @finch_str_eq(ptr %a248, ptr %a249)
-  %t251 = icmp ne i32 %t250, 0
-  br i1 %t251, label %match.arm10279, label %match.next10280
-match.arm10279:
-  %t252 = load %S.json.Json, ptr %a9
-  %t253 = load %S.lsp.Analysis, ptr %a215
-  %t254 = load { ptr, i64, i64 }, ptr %a177
-  %t255 = load i64, ptr %a184
-  %t256 = load i64, ptr %a191
-  %t257 = call %S.json.Json @finch.lsp.definitionAt(%S.lsp.Analysis %t253, { ptr, i64, i64 } %t254, i64 %t255, i64 %t256)
-  call void @finch.lsp.reply(%S.json.Json %t252, %S.json.Json %t257)
-  br label %match.end10276
-match.next10280:
-  store { ptr, i64, i64 } %t237, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.6809, i64 23, i64 0 }, ptr %a259
-  %t260 = call i32 @finch_str_eq(ptr %a258, ptr %a259)
-  %t261 = icmp ne i32 %t260, 0
-  br i1 %t261, label %match.arm10281, label %match.next10282
-match.arm10281:
-  %t262 = load %S.json.Json, ptr %a9
-  %t263 = load %S.lsp.Analysis, ptr %a215
-  %t264 = load { ptr, i64, i64 }, ptr %a216
-  %t265 = load { ptr, i64, i64 }, ptr %a177
-  %t266 = load i64, ptr %a184
-  %t267 = load i64, ptr %a191
-  %t268 = call %S.json.Json @finch.lsp.completionAt(%S.lsp.Analysis %t263, { ptr, i64, i64 } %t264, { ptr, i64, i64 } %t265, i64 %t266, i64 %t267)
-  call void @finch.lsp.reply(%S.json.Json %t262, %S.json.Json %t268)
-  br label %match.end10276
-match.next10282:
-  store { ptr, i64, i64 } %t237, ptr %a269
-  store { ptr, i64, i64 } { ptr @.str.6810, i64 27, i64 0 }, ptr %a270
-  %t271 = call i32 @finch_str_eq(ptr %a269, ptr %a270)
-  %t272 = icmp ne i32 %t271, 0
-  br i1 %t272, label %match.arm10283, label %match.next10284
-match.arm10283:
-  %t273 = load %S.json.Json, ptr %a9
-  %t274 = load %S.lsp.Analysis, ptr %a215
-  %t275 = load { ptr, i64, i64 }, ptr %a177
-  %t276 = call %S.json.Json @finch.lsp.symbolsOf(%S.lsp.Analysis %t274, { ptr, i64, i64 } %t275)
-  call void @finch.lsp.reply(%S.json.Json %t273, %S.json.Json %t276)
-  br label %match.end10276
-match.next10284:
-  br label %match.arm10285
-match.arm10285:
-  %t277 = load %S.json.Json, ptr %a9
-  %t278 = load %S.lsp.Analysis, ptr %a215
-  %t279 = load { ptr, i64, i64 }, ptr %a216
-  %t280 = load { ptr, i64, i64 }, ptr %a177
-  %t281 = load i64, ptr %a184
-  %t282 = load i64, ptr %a191
-  %t283 = call %S.json.Json @finch.lsp.signatureAt(%S.lsp.Analysis %t278, { ptr, i64, i64 } %t279, { ptr, i64, i64 } %t280, i64 %t281, i64 %t282)
-  call void @finch.lsp.reply(%S.json.Json %t277, %S.json.Json %t283)
-  br label %match.end10276
-match.end10276:
-  br label %match.end10229
-match.next10261:
-  br label %match.arm10287
-match.arm10287:
-  %t284 = getelementptr inbounds %S.json.Json, ptr %a9, i32 0, i32 0
-  %t285 = load i32, ptr %t284
+  %t235 = call i64 @finch_map_find(ptr %t232, ptr %a234, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t236 = icmp slt i64 %t235, 0
+  br i1 %t236, label %map.missing10795, label %map.found10796
+map.missing10795:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a237
+  store { ptr, i64, i64 } %t233, ptr %a238
+  call void @finch_buf_str(ptr %a237, ptr %a238, i32 1)
+  call void @finch_map_missing(ptr @.str.7021, i64 842, ptr %a237)
+  unreachable
+map.found10796:
+  %t239 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t232, i32 0, i32 0
+  %t240 = load ptr, ptr %t239
+  %t241 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t240, i64 %t235
+  %t242 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t241, i32 0, i32 2
+  %t243 = load %S.lsp.Analysis, ptr %t242
+  store %S.lsp.Analysis %t243, ptr %a244
+  call void @finch.copy.S_lsp_Analysis(ptr %a245, ptr %a244)
+  %t246 = load %S.lsp.Analysis, ptr %a245
+  store %S.lsp.Analysis %t246, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.7022, i64 0, i64 0 }, ptr %a248
+  %t249 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t250 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t250, ptr %a251
+  %t252 = call i64 @finch_map_find(ptr %t249, ptr %a251, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t253 = icmp sge i64 %t252, 0
+  br i1 %t253, label %then10797, label %endif10799
+then10797:
+  %t254 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t255 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t255, ptr %a256
+  %t257 = call i64 @finch_map_find(ptr %t254, ptr %a256, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t258 = icmp slt i64 %t257, 0
+  br i1 %t258, label %map.missing10800, label %map.found10801
+map.missing10800:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a259
+  store { ptr, i64, i64 } %t255, ptr %a260
+  call void @finch_buf_str(ptr %a259, ptr %a260, i32 1)
+  call void @finch_map_missing(ptr @.str.7023, i64 845, ptr %a259)
+  unreachable
+map.found10801:
+  %t261 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t254, i32 0, i32 0
+  %t262 = load ptr, ptr %t261
+  %t263 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t262, i64 %t257
+  %t264 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t263, i32 0, i32 2
+  %t265 = load { ptr, i64, i64 }, ptr %t264
+  store { ptr, i64, i64 } %t265, ptr %a266
+  call void @finch_str_copy(ptr %a267, ptr %a266)
+  %t268 = load { ptr, i64, i64 }, ptr %a267
+  %t269 = load { ptr, i64, i64 }, ptr %a248
+  store { ptr, i64, i64 } %t268, ptr %a248
+  store { ptr, i64, i64 } %t269, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  br label %endif10799
+endif10799:
+  %t271 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t271, ptr %a272
+  store { ptr, i64, i64 } { ptr @.str.7024, i64 18, i64 0 }, ptr %a273
+  %t274 = call i32 @finch_str_eq(ptr %a272, ptr %a273)
+  %t275 = icmp ne i32 %t274, 0
+  br i1 %t275, label %match.arm10803, label %match.next10804
+match.arm10803:
+  %t276 = load %S.json.Json, ptr %a9
+  %t277 = load %S.lsp.Analysis, ptr %a247
+  %t278 = load { ptr, i64, i64 }, ptr %a208
+  %t279 = load i64, ptr %a215
+  %t280 = load i64, ptr %a222
+  %t281 = call %S.json.Json @finch.lsp.hoverAt(%S.lsp.Analysis %t277, { ptr, i64, i64 } %t278, i64 %t279, i64 %t280)
+  call void @finch.lsp.reply(%S.json.Json %t276, %S.json.Json %t281)
+  store %S.json.Json %t281, ptr %a282
+  call void @finch.drop.S_json_Json(ptr %a282)
+  br label %match.end10802
+match.next10804:
+  store { ptr, i64, i64 } %t271, ptr %a283
+  store { ptr, i64, i64 } { ptr @.str.7025, i64 23, i64 0 }, ptr %a284
+  %t285 = call i32 @finch_str_eq(ptr %a283, ptr %a284)
   %t286 = icmp ne i32 %t285, 0
-  br i1 %t286, label %then10289, label %endif10291
-then10289:
+  br i1 %t286, label %match.arm10805, label %match.next10806
+match.arm10805:
   %t287 = load %S.json.Json, ptr %a9
-  %t288 = call %S.json.Json @finch.json.new_null()
-  call void @finch.lsp.reply(%S.json.Json %t287, %S.json.Json %t288)
-  br label %endif10291
-endif10291:
-  br label %match.end10229
-match.end10229:
+  %t288 = load %S.lsp.Analysis, ptr %a247
+  %t289 = load { ptr, i64, i64 }, ptr %a208
+  %t290 = load i64, ptr %a215
+  %t291 = load i64, ptr %a222
+  %t292 = call %S.json.Json @finch.lsp.definitionAt(%S.lsp.Analysis %t288, { ptr, i64, i64 } %t289, i64 %t290, i64 %t291)
+  call void @finch.lsp.reply(%S.json.Json %t287, %S.json.Json %t292)
+  store %S.json.Json %t292, ptr %a293
+  call void @finch.drop.S_json_Json(ptr %a293)
+  br label %match.end10802
+match.next10806:
+  store { ptr, i64, i64 } %t271, ptr %a294
+  store { ptr, i64, i64 } { ptr @.str.7026, i64 23, i64 0 }, ptr %a295
+  %t296 = call i32 @finch_str_eq(ptr %a294, ptr %a295)
+  %t297 = icmp ne i32 %t296, 0
+  br i1 %t297, label %match.arm10807, label %match.next10808
+match.arm10807:
+  %t298 = load %S.json.Json, ptr %a9
+  %t299 = load %S.lsp.Analysis, ptr %a247
+  %t300 = load { ptr, i64, i64 }, ptr %a248
+  %t301 = load { ptr, i64, i64 }, ptr %a208
+  %t302 = load i64, ptr %a215
+  %t303 = load i64, ptr %a222
+  %t304 = call %S.json.Json @finch.lsp.completionAt(%S.lsp.Analysis %t299, { ptr, i64, i64 } %t300, { ptr, i64, i64 } %t301, i64 %t302, i64 %t303)
+  call void @finch.lsp.reply(%S.json.Json %t298, %S.json.Json %t304)
+  store %S.json.Json %t304, ptr %a305
+  call void @finch.drop.S_json_Json(ptr %a305)
+  br label %match.end10802
+match.next10808:
+  store { ptr, i64, i64 } %t271, ptr %a306
+  store { ptr, i64, i64 } { ptr @.str.7027, i64 27, i64 0 }, ptr %a307
+  %t308 = call i32 @finch_str_eq(ptr %a306, ptr %a307)
+  %t309 = icmp ne i32 %t308, 0
+  br i1 %t309, label %match.arm10809, label %match.next10810
+match.arm10809:
+  %t310 = load %S.json.Json, ptr %a9
+  %t311 = load %S.lsp.Analysis, ptr %a247
+  %t312 = load { ptr, i64, i64 }, ptr %a208
+  %t313 = call %S.json.Json @finch.lsp.symbolsOf(%S.lsp.Analysis %t311, { ptr, i64, i64 } %t312)
+  call void @finch.lsp.reply(%S.json.Json %t310, %S.json.Json %t313)
+  store %S.json.Json %t313, ptr %a314
+  call void @finch.drop.S_json_Json(ptr %a314)
+  br label %match.end10802
+match.next10810:
+  br label %match.arm10811
+match.arm10811:
+  %t315 = load %S.json.Json, ptr %a9
+  %t316 = load %S.lsp.Analysis, ptr %a247
+  %t317 = load { ptr, i64, i64 }, ptr %a248
+  %t318 = load { ptr, i64, i64 }, ptr %a208
+  %t319 = load i64, ptr %a215
+  %t320 = load i64, ptr %a222
+  %t321 = call %S.json.Json @finch.lsp.signatureAt(%S.lsp.Analysis %t316, { ptr, i64, i64 } %t317, { ptr, i64, i64 } %t318, i64 %t319, i64 %t320)
+  call void @finch.lsp.reply(%S.json.Json %t315, %S.json.Json %t321)
+  store %S.json.Json %t321, ptr %a322
+  call void @finch.drop.S_json_Json(ptr %a322)
+  br label %match.end10802
+match.end10802:
+  call void @finch_str_drop(ptr %a248)
+  call void @finch.drop.S_lsp_Analysis(ptr %a247)
+  call void @finch_str_drop(ptr %a208)
+  br label %match.end10755
+match.next10787:
+  br label %match.arm10813
+match.arm10813:
+  %t323 = getelementptr inbounds %S.json.Json, ptr %a9, i32 0, i32 0
+  %t324 = load i32, ptr %t323
+  %t325 = icmp ne i32 %t324, 0
+  br i1 %t325, label %then10815, label %endif10817
+then10815:
+  %t326 = load %S.json.Json, ptr %a9
+  %t327 = call %S.json.Json @finch.json.new_null()
+  call void @finch.lsp.reply(%S.json.Json %t326, %S.json.Json %t327)
+  store %S.json.Json %t327, ptr %a328
+  call void @finch.drop.S_json_Json(ptr %a328)
+  br label %endif10817
+endif10817:
+  br label %match.end10755
+match.end10755:
+  call void @finch.drop.S_json_Json(ptr %a9)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  call void @finch_str_drop(ptr %a5)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_lsp_Analysis(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond10823
+n.cond10823:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body10824, label %n.end10825
+n.body10824:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live10826, label %entry.next10827
+entry.live10826:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_lsp_Analysis(ptr %t13)
+  br label %entry.next10827
+entry.next10827:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond10823
+n.end10825:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_Server(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 2
+  call void @finch.drop.map_str_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 3
+  call void @finch.drop.map_str_S_lsp_Analysis(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 4
+  call void @finch.drop.map_str_S_lsp_Analysis(ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
   ret void
 }
 
@@ -91234,69 +109138,71 @@ entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca %S.lsp.Server, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca %S.json.Json, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.lsp.Server, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
+  call void @finch.host.binaryStdio()
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
   call void @finch_str_copy(ptr %a4, ptr %a3)
   %t5 = load { ptr, i64, i64 }, ptr %a4
   %t6 = insertvalue %S.lsp.Server zeroinitializer, { ptr, i64, i64 } %t5, 0
-  %t7 = call i32 @getpid()
-  %t8 = sext i32 %t7 to i64
-  call void @finch_str_from_int(ptr %a9, i64 %t8)
-  %t10 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.6811, i64 15, i64 0 }, ptr %a12
-  store { ptr, i64, i64 } %t10, ptr %a13
-  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = insertvalue %S.lsp.Server %t6, { ptr, i64, i64 } %t14, 1
-  store %S.lsp.Server %t15, ptr %a16
-  br label %while.cond10292
-while.cond10292:
-  br label %while.body10293
-while.body10293:
-  %t17 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.lsp.readMessage()
-  %t18 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t17, 0
-  %t19 = xor i1 %t18, true
-  %t20 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t17, 2
-  %t21 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t17, 1
-  br i1 %t19, label %or.failed10295, label %or.ok10296
-or.failed10295:
-  store { ptr, i64, i64 } %t20, ptr %a22
-  br label %while.end10294
-or.ok10296:
-  store %S.json.Json %t21, ptr %a23
-  %t24 = load %S.json.Json, ptr %a23
-  call void @finch.lsp.Server.answer(ptr %a16, %S.json.Json %t24)
-  br label %while.cond10292
-while.end10294:
-  %t25 = getelementptr inbounds %S.lsp.Server, ptr %a16, i32 0, i32 1
-  %t26 = load { ptr, i64, i64 }, ptr %t25
-  store { ptr, i64, i64 } { ptr @.str.6812, i64 8, i64 0 }, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.6813, i64 1, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  call void @finch_str_copy(ptr %a35, ptr %a36)
-  %t37 = call i64 @finch_shell(ptr %a35)
+  %t7 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t7, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.7028, i64 11, i64 0 }, ptr %a10
+  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  %t13 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a14, i64 %t13)
+  %t15 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t12, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a16
+  %t22 = insertvalue %S.lsp.Server %t6, { ptr, i64, i64 } %t21, 1
+  store %S.lsp.Server %t22, ptr %a23
+  br label %while.cond10818
+while.cond10818:
+  br label %while.body10819
+while.body10819:
+  %t24 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.lsp.readMessage()
+  %t25 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, 0
+  %t26 = xor i1 %t25, true
+  %t27 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, 2
+  %t28 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, 1
+  br i1 %t26, label %or.failed10821, label %or.ok10822
+or.failed10821:
+  store { ptr, i64, i64 } %t27, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  br label %while.end10820
+or.ok10822:
+  store %S.json.Json %t28, ptr %a30
+  %t31 = load %S.json.Json, ptr %a30
+  call void @finch.lsp.Server.answer(ptr %a23, %S.json.Json %t31)
+  call void @finch.drop.S_json_Json(ptr %a30)
+  br label %while.cond10818
+while.end10820:
+  %t32 = getelementptr inbounds %S.lsp.Server, ptr %a23, i32 0, i32 1
+  %t33 = load { ptr, i64, i64 }, ptr %t32
+  call void @finch.host.removeTree({ ptr, i64, i64 } %t33)
+  call void @finch.drop.S_lsp_Server(ptr %a23)
   ret i64 0
 }
 
@@ -91371,35 +109277,35 @@ entry:
   %t1 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t2 = load i32, ptr %t1
   %t3 = icmp eq i32 %t2, 4
-  br i1 %t3, label %match.arm10298, label %match.or10300
-match.or10300:
+  br i1 %t3, label %match.arm10829, label %match.or10831
+match.or10831:
   %t4 = icmp eq i32 %t2, 5
-  br i1 %t4, label %match.arm10298, label %match.next10299
-match.arm10298:
+  br i1 %t4, label %match.arm10829, label %match.next10830
+match.arm10829:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
-  br label %match.from10301
-match.from10301:
-  br label %match.end10297
-match.next10299:
+  br label %match.from10832
+match.from10832:
+  br label %match.end10828
+match.next10830:
   %t8 = icmp eq i32 %t2, 3
-  br i1 %t8, label %match.arm10302, label %match.next10303
-match.arm10302:
+  br i1 %t8, label %match.arm10833, label %match.next10834
+match.arm10833:
   %t9 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 3
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t11 = load i64, ptr %t10
-  br label %match.from10304
-match.from10304:
-  br label %match.end10297
-match.next10303:
-  br label %match.arm10305
-match.arm10305:
-  br label %match.from10307
-match.from10307:
-  br label %match.end10297
-match.end10297:
-  %t12 = phi i64 [ %t7, %match.from10301 ], [ %t11, %match.from10304 ], [ 0, %match.from10307 ]
+  br label %match.from10835
+match.from10835:
+  br label %match.end10828
+match.next10834:
+  br label %match.arm10836
+match.arm10836:
+  br label %match.from10838
+match.from10838:
+  br label %match.end10828
+match.end10828:
+  %t12 = phi i64 [ %t7, %match.from10832 ], [ %t11, %match.from10835 ], [ 0, %match.from10838 ]
   ret i64 %t12
 }
 
@@ -91414,10 +109320,10 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 5
-  br label %logic.from10308
-logic.from10308:
-  br i1 %t4, label %logic.rhs10309, label %logic.end10310
-logic.rhs10309:
+  br label %logic.from10839
+logic.from10839:
+  br i1 %t4, label %logic.rhs10840, label %logic.end10841
+logic.rhs10840:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a1
@@ -91425,37 +109331,80 @@ logic.rhs10309:
   %t9 = load i64, ptr %t6
   %t10 = load ptr, ptr %t5
   store i64 0, ptr %a11
-  br label %find.cond10311
-find.cond10311:
+  br label %find.cond10842
+find.cond10842:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t9
-  br i1 %t13, label %find.body10312, label %find.end10315
-find.body10312:
+  br i1 %t13, label %find.body10843, label %find.end10846
+find.body10843:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t12
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
   store { ptr, i64, i64 } %t7, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %find.hit10313, label %find.next10314
-find.hit10313:
+  br i1 %t19, label %find.hit10844, label %find.next10845
+find.hit10844:
   store i64 %t12, ptr %a8
-  br label %find.end10315
-find.next10314:
+  br label %find.end10846
+find.next10845:
   %t20 = add i64 %t12, 1
   store i64 %t20, ptr %a11
-  br label %find.cond10311
-find.end10315:
+  br label %find.cond10842
+find.end10846:
   %t21 = load i64, ptr %a8
   %t22 = icmp sge i64 %t21, 0
-  br label %logic.rend10316
-logic.rend10316:
-  br label %logic.end10310
-logic.end10310:
-  %t23 = phi i1 [ false, %logic.from10308 ], [ %t22, %logic.rend10316 ]
+  br label %logic.rend10847
+logic.rend10847:
+  br label %logic.end10841
+logic.end10841:
+  %t23 = phi i1 [ false, %logic.from10839 ], [ %t22, %logic.rend10847 ]
   ret i1 %t23
 }
 
+define internal void @finch.copy.arr_S_json_Json(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10861
+n.cond10861:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10862, label %n.end10863
+n.body10862:
+  %t8 = getelementptr inbounds %S.json.Json, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.json.Json, ptr %t2, i64 %t6
+  call void @finch.copy.S_json_Json(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10861
+n.end10863:
+  ret void
+}
+
+define internal void @finch.copy.S_json_Json(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.json.Json, ptr %src
+  store %S.json.Json %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 3
+  %t3 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 3
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 4
+  %t5 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 4
+  call void @finch.copy.arr_S_json_Json(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 5
+  %t7 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t6, ptr %t7)
+  ret void
+}
+
 define internal %S.json.Json @finch.json.Json.get(ptr %self, { ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -91470,11 +109419,11 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp ne i32 %t3, 5
-  br i1 %t4, label %then10317, label %endif10319
-then10317:
+  br i1 %t4, label %then10848, label %endif10850
+then10848:
   %t5 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t5
-endif10319:
+endif10850:
   %t6 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load { ptr, i64, i64 }, ptr %a1
@@ -91482,46 +109431,46 @@ endif10319:
   %t10 = load i64, ptr %t7
   %t11 = load ptr, ptr %t6
   store i64 0, ptr %a12
-  br label %find.cond10320
-find.cond10320:
+  br label %find.cond10851
+find.cond10851:
   %t13 = load i64, ptr %a12
   %t14 = icmp slt i64 %t13, %t10
-  br i1 %t14, label %find.body10321, label %find.end10324
-find.body10321:
+  br i1 %t14, label %find.body10852, label %find.end10855
+find.body10852:
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t11, i64 %t13
   %t16 = load { ptr, i64, i64 }, ptr %t15
   store { ptr, i64, i64 } %t16, ptr %a17
   store { ptr, i64, i64 } %t8, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br i1 %t20, label %find.hit10322, label %find.next10323
-find.hit10322:
+  br i1 %t20, label %find.hit10853, label %find.next10854
+find.hit10853:
   store i64 %t13, ptr %a9
-  br label %find.end10324
-find.next10323:
+  br label %find.end10855
+find.next10854:
   %t21 = add i64 %t13, 1
   store i64 %t21, ptr %a12
-  br label %find.cond10320
-find.end10324:
+  br label %find.cond10851
+find.end10855:
   %t22 = load i64, ptr %a9
   store i64 %t22, ptr %a23
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, 0
-  br i1 %t25, label %then10325, label %endif10327
-then10325:
+  br i1 %t25, label %then10856, label %endif10858
+then10856:
   %t26 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t26
-endif10327:
+endif10858:
   %t27 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t28 = load i64, ptr %a23
   %t29 = load { ptr, i64, i64 }, ptr %t27
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 %t28, %t30
-  br i1 %t31, label %range10328, label %inrange10329
-range10328:
-  call void @finch_panic_index(ptr @.str.6814, i64 84, i64 %t28, i64 %t30)
+  br i1 %t31, label %range10859, label %inrange10860
+range10859:
+  call void @finch_panic_index(ptr @.str.7029, i64 84, i64 %t28, i64 %t30)
   unreachable
-inrange10329:
+inrange10860:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.json.Json, ptr %t32, i64 %t28
   %t34 = load %S.json.Json, ptr %t33
@@ -91540,46 +109489,46 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp ne i32 %t3, 4
-  br label %logic.from10330
-logic.from10330:
-  br i1 %t4, label %logic.end10332, label %logic.rhs10331
-logic.rhs10331:
+  br label %logic.from10864
+logic.from10864:
+  br i1 %t4, label %logic.end10866, label %logic.rhs10865
+logic.rhs10865:
   %t5 = load i64, ptr %a1
   %t6 = icmp slt i64 %t5, 0
-  br label %logic.rend10333
-logic.rend10333:
-  br label %logic.end10332
-logic.end10332:
-  %t7 = phi i1 [ true, %logic.from10330 ], [ %t6, %logic.rend10333 ]
-  br label %logic.from10334
-logic.from10334:
-  br i1 %t7, label %logic.end10336, label %logic.rhs10335
-logic.rhs10335:
+  br label %logic.rend10867
+logic.rend10867:
+  br label %logic.end10866
+logic.end10866:
+  %t7 = phi i1 [ true, %logic.from10864 ], [ %t6, %logic.rend10867 ]
+  br label %logic.from10868
+logic.from10868:
+  br i1 %t7, label %logic.end10870, label %logic.rhs10869
+logic.rhs10869:
   %t8 = load i64, ptr %a1
   %t9 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = icmp sge i64 %t8, %t11
-  br label %logic.rend10337
-logic.rend10337:
-  br label %logic.end10336
-logic.end10336:
-  %t13 = phi i1 [ true, %logic.from10334 ], [ %t12, %logic.rend10337 ]
-  br i1 %t13, label %then10338, label %endif10340
-then10338:
+  br label %logic.rend10871
+logic.rend10871:
+  br label %logic.end10870
+logic.end10870:
+  %t13 = phi i1 [ true, %logic.from10868 ], [ %t12, %logic.rend10871 ]
+  br i1 %t13, label %then10872, label %endif10874
+then10872:
   %t14 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t14
-endif10340:
+endif10874:
   %t15 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t16 = load i64, ptr %a1
   %t17 = load { ptr, i64, i64 }, ptr %t15
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 %t16, %t18
-  br i1 %t19, label %range10341, label %inrange10342
-range10341:
-  call void @finch_panic_index(ptr @.str.6815, i64 92, i64 %t16, i64 %t18)
+  br i1 %t19, label %range10875, label %inrange10876
+range10875:
+  call void @finch_panic_index(ptr @.str.7030, i64 92, i64 %t16, i64 %t18)
   unreachable
-inrange10342:
+inrange10876:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.json.Json, ptr %t20, i64 %t16
   %t22 = load %S.json.Json, ptr %t21
@@ -91600,15 +109549,15 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 3
-  br i1 %t4, label %then10343, label %endif10345
-then10343:
+  br i1 %t4, label %then10877, label %endif10879
+then10877:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 3
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
   call void @finch_str_copy(ptr %a8, ptr %a7)
   %t9 = load { ptr, i64, i64 }, ptr %a8
   ret { ptr, i64, i64 } %t9
-endif10345:
+endif10879:
   %t10 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t10, ptr %a11
   call void @finch_str_copy(ptr %a12, ptr %a11)
@@ -91623,12 +109572,12 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 2
-  br i1 %t4, label %then10346, label %endif10348
-then10346:
+  br i1 %t4, label %then10880, label %endif10882
+then10880:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 2
   %t6 = load double, ptr %t5
   ret double %t6
-endif10348:
+endif10882:
   %t7 = load double, ptr %a1
   ret double %t7
 }
@@ -91640,13 +109589,13 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 2
-  br i1 %t4, label %then10349, label %endif10351
-then10349:
+  br i1 %t4, label %then10883, label %endif10885
+then10883:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 2
   %t6 = load double, ptr %t5
   %t7 = fptosi double %t6 to i64
   ret i64 %t7
-endif10351:
+endif10885:
   %t8 = load i64, ptr %a1
   ret i64 %t8
 }
@@ -91658,12 +109607,12 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 1
-  br i1 %t4, label %then10352, label %endif10354
-then10352:
+  br i1 %t4, label %then10886, label %endif10888
+then10886:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 1
   %t6 = load i1, ptr %t5
   ret i1 %t6
-endif10354:
+endif10888:
   %t7 = load i1, ptr %a1
   ret i1 %t7
 }
@@ -91713,10 +109662,11 @@ entry:
   %a20 = alloca i64, align 16
   %a31 = alloca %S.json.Json, align 16
   %a32 = alloca %S.json.Json, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca %S.json.Json, align 16
-  %a48 = alloca %S.json.Json, align 16
+  %a35 = alloca %S.json.Json, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.json.Json, align 16
+  %a50 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.json.Json %p1, ptr %a2
   %t3 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
@@ -91726,78 +109676,81 @@ entry:
   %t7 = load i64, ptr %t4
   %t8 = load ptr, ptr %t3
   store i64 0, ptr %a9
-  br label %find.cond10355
-find.cond10355:
+  br label %find.cond10889
+find.cond10889:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t7
-  br i1 %t11, label %find.body10356, label %find.end10359
-find.body10356:
+  br i1 %t11, label %find.body10890, label %find.end10893
+find.body10890:
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i64 %t10
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
   store { ptr, i64, i64 } %t5, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br i1 %t17, label %find.hit10357, label %find.next10358
-find.hit10357:
+  br i1 %t17, label %find.hit10891, label %find.next10892
+find.hit10891:
   store i64 %t10, ptr %a6
-  br label %find.end10359
-find.next10358:
+  br label %find.end10893
+find.next10892:
   %t18 = add i64 %t10, 1
   store i64 %t18, ptr %a9
-  br label %find.cond10355
-find.end10359:
+  br label %find.cond10889
+find.end10893:
   %t19 = load i64, ptr %a6
   store i64 %t19, ptr %a20
   %t21 = load i64, ptr %a20
   %t22 = icmp sge i64 %t21, 0
-  br i1 %t22, label %then10360, label %endif10362
-then10360:
+  br i1 %t22, label %then10894, label %endif10896
+then10894:
   %t23 = load %S.json.Json, ptr %a2
   %t24 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t25 = load i64, ptr %a20
   %t26 = load { ptr, i64, i64 }, ptr %t24
   %t27 = extractvalue { ptr, i64, i64 } %t26, 1
   %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range10363, label %inrange10364
-range10363:
-  call void @finch_panic_index(ptr @.str.6816, i64 140, i64 %t25, i64 %t27)
+  br i1 %t28, label %range10897, label %inrange10898
+range10897:
+  call void @finch_panic_index(ptr @.str.7031, i64 140, i64 %t25, i64 %t27)
   unreachable
-inrange10364:
+inrange10898:
   %t29 = extractvalue { ptr, i64, i64 } %t26, 0
   %t30 = getelementptr inbounds %S.json.Json, ptr %t29, i64 %t25
   store %S.json.Json %t23, ptr %a31
   call void @finch.copy.S_json_Json(ptr %a32, ptr %a31)
   %t33 = load %S.json.Json, ptr %a32
+  %t34 = load %S.json.Json, ptr %t30
   store %S.json.Json %t33, ptr %t30
+  store %S.json.Json %t34, ptr %a35
+  call void @finch.drop.S_json_Json(ptr %a35)
   ret void
-endif10362:
-  %t34 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
-  %t36 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t36, ptr %a37
-  call void @finch_str_copy(ptr %a38, ptr %a37)
-  %t39 = load { ptr, i64, i64 }, ptr %a38
-  %t40 = load i64, ptr %t35
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %t34, i64 %t41, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %t34
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i64 %t40
-  store { ptr, i64, i64 } %t39, ptr %t43
-  store i64 %t41, ptr %t35
-  %t44 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
-  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
-  %t46 = load %S.json.Json, ptr %a2
-  store %S.json.Json %t46, ptr %a47
-  call void @finch.copy.S_json_Json(ptr %a48, ptr %a47)
-  %t49 = load %S.json.Json, ptr %a48
-  %t50 = load i64, ptr %t45
-  %t51 = add i64 %t50, 1
-  call void @finch_arr_reserve(ptr %t44, i64 %t51, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
-  %t52 = load ptr, ptr %t44
-  %t53 = getelementptr inbounds %S.json.Json, ptr %t52, i64 %t50
-  store %S.json.Json %t49, ptr %t53
-  store i64 %t51, ptr %t45
+endif10896:
+  %t36 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
+  %t38 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_copy(ptr %a40, ptr %a39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  %t42 = load i64, ptr %t37
+  %t43 = add i64 %t42, 1
+  call void @finch_arr_reserve(ptr %t36, i64 %t43, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t44 = load ptr, ptr %t36
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 %t42
+  store { ptr, i64, i64 } %t41, ptr %t45
+  store i64 %t43, ptr %t37
+  %t46 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
+  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i32 0, i32 1
+  %t48 = load %S.json.Json, ptr %a2
+  store %S.json.Json %t48, ptr %a49
+  call void @finch.copy.S_json_Json(ptr %a50, ptr %a49)
+  %t51 = load %S.json.Json, ptr %a50
+  %t52 = load i64, ptr %t47
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %t46, i64 %t53, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %t46
+  %t55 = getelementptr inbounds %S.json.Json, ptr %t54, i64 %t52
+  store %S.json.Json %t51, ptr %t55
+  store i64 %t53, ptr %t47
   ret void
 }
 
@@ -91811,30 +109764,33 @@ entry:
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = mul i64 1, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.6817, i64 1, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.7032, i64 1, i64 0 }, ptr %t4
   %t5 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t6 = insertvalue { ptr, i64, i64 } %t5, i64 1, 1
   %t7 = insertvalue { ptr, i64, i64 } %t6, i64 1, 2
   store { ptr, i64, i64 } %t7, ptr %a8
   store i64 0, ptr %a9
-  br label %each.cond10365
-each.cond10365:
+  br label %each.cond10899
+each.cond10899:
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = load i64, ptr %a9
   %t13 = icmp slt i64 %t12, %t11
-  br i1 %t13, label %each.body10366, label %each.end10368
-each.body10366:
+  br i1 %t13, label %each.body10900, label %each.end10902
+each.body10900:
   %t14 = load ptr, ptr %a1
   %t15 = getelementptr inbounds i8, ptr %t14, i64 %t12
   %t16 = load i8, ptr %t15
@@ -91844,145 +109800,152 @@ each.body10366:
   store i64 %t19, ptr %a20
   %t21 = load i8, ptr %a17
   %t22 = icmp eq i8 %t21, 34
-  br i1 %t22, label %then10369, label %else10370
-then10369:
+  br i1 %t22, label %then10903, label %else10904
+then10903:
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = add i64 %t24, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t25, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t26 = load ptr, ptr %a8
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i64 %t24
-  store { ptr, i64, i64 } { ptr @.str.6818, i64 2, i64 0 }, ptr %t27
+  store { ptr, i64, i64 } { ptr @.str.7033, i64 2, i64 0 }, ptr %t27
   store i64 %t25, ptr %t23
-  br label %endif10371
-else10370:
+  br label %endif10905
+else10904:
   %t28 = load i8, ptr %a17
   %t29 = icmp eq i8 %t28, 92
-  br i1 %t29, label %then10372, label %else10373
-then10372:
+  br i1 %t29, label %then10906, label %else10907
+then10906:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = add i64 %t31, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t32, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t33 = load ptr, ptr %a8
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
-  store { ptr, i64, i64 } { ptr @.str.6819, i64 2, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.7034, i64 2, i64 0 }, ptr %t34
   store i64 %t32, ptr %t30
-  br label %endif10374
-else10373:
+  br label %endif10908
+else10907:
   %t35 = load i8, ptr %a17
   %t36 = icmp eq i8 %t35, 10
-  br i1 %t36, label %then10375, label %else10376
-then10375:
+  br i1 %t36, label %then10909, label %else10910
+then10909:
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t38 = load i64, ptr %t37
   %t39 = add i64 %t38, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t39, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t40 = load ptr, ptr %a8
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t38
-  store { ptr, i64, i64 } { ptr @.str.6820, i64 2, i64 0 }, ptr %t41
+  store { ptr, i64, i64 } { ptr @.str.7035, i64 2, i64 0 }, ptr %t41
   store i64 %t39, ptr %t37
-  br label %endif10377
-else10376:
+  br label %endif10911
+else10910:
   %t42 = load i8, ptr %a17
   %t43 = icmp eq i8 %t42, 13
-  br i1 %t43, label %then10378, label %else10379
-then10378:
+  br i1 %t43, label %then10912, label %else10913
+then10912:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t45 = load i64, ptr %t44
   %t46 = add i64 %t45, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t46, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t47 = load ptr, ptr %a8
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t45
-  store { ptr, i64, i64 } { ptr @.str.6821, i64 2, i64 0 }, ptr %t48
+  store { ptr, i64, i64 } { ptr @.str.7036, i64 2, i64 0 }, ptr %t48
   store i64 %t46, ptr %t44
-  br label %endif10380
-else10379:
+  br label %endif10914
+else10913:
   %t49 = load i8, ptr %a17
   %t50 = icmp eq i8 %t49, 9
-  br i1 %t50, label %then10381, label %else10382
-then10381:
+  br i1 %t50, label %then10915, label %else10916
+then10915:
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t52 = load i64, ptr %t51
   %t53 = add i64 %t52, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t54 = load ptr, ptr %a8
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
-  store { ptr, i64, i64 } { ptr @.str.6822, i64 2, i64 0 }, ptr %t55
+  store { ptr, i64, i64 } { ptr @.str.7037, i64 2, i64 0 }, ptr %t55
   store i64 %t53, ptr %t51
-  br label %endif10383
-else10382:
+  br label %endif10917
+else10916:
   %t56 = load i64, ptr %a20
   %t57 = icmp slt i64 %t56, 32
-  br i1 %t57, label %then10384, label %else10385
-then10384:
+  br i1 %t57, label %then10918, label %else10919
+then10918:
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t59 = load i64, ptr %a20
   %t60 = sdiv i64 %t59, 16
   %t61 = call { ptr, i64, i64 } @finch.json.hexdigit(i64 %t60)
-  store { ptr, i64, i64 } { ptr @.str.6823, i64 4, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.7038, i64 4, i64 0 }, ptr %a63
   store { ptr, i64, i64 } %t61, ptr %a64
   call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  %t66 = load i64, ptr %a20
-  %t67 = srem i64 %t66, 16
-  %t68 = call { ptr, i64, i64 } @finch.json.hexdigit(i64 %t67)
-  store { ptr, i64, i64 } %t65, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load i64, ptr %t58
-  %t74 = add i64 %t73, 1
-  call void @finch_arr_reserve(ptr %a8, i64 %t74, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t75 = load ptr, ptr %a8
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i64 %t73
-  store { ptr, i64, i64 } %t72, ptr %t76
-  store i64 %t74, ptr %t58
-  br label %endif10386
-else10385:
-  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t78 = load i8, ptr %a17
-  call void @finch_str_from_char(ptr %a79, i8 signext %t78)
-  %t80 = load { ptr, i64, i64 }, ptr %a79
-  %t81 = load i64, ptr %t77
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %a8, i64 %t82, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %a8
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  store { ptr, i64, i64 } %t80, ptr %t84
-  store i64 %t82, ptr %t77
-  br label %endif10386
-endif10386:
-  br label %endif10383
-endif10383:
-  br label %endif10380
-endif10380:
-  br label %endif10377
-endif10377:
-  br label %endif10374
-endif10374:
-  br label %endif10371
-endif10371:
-  br label %each.step10367
-each.step10367:
-  %t85 = load i64, ptr %a9
-  %t86 = add i64 %t85, 1
-  store i64 %t86, ptr %a9
-  br label %each.cond10365
-each.end10368:
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t88 = load i64, ptr %t87
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = load i64, ptr %a20
+  %t68 = srem i64 %t67, 16
+  %t69 = call { ptr, i64, i64 } @finch.json.hexdigit(i64 %t68)
+  store { ptr, i64, i64 } %t66, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t66, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t69, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a70
+  %t76 = load i64, ptr %t58
+  %t77 = add i64 %t76, 1
+  call void @finch_arr_reserve(ptr %a8, i64 %t77, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t78 = load ptr, ptr %a8
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i64 %t76
+  store { ptr, i64, i64 } %t75, ptr %t79
+  store i64 %t77, ptr %t58
+  br label %endif10920
+else10919:
+  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t81 = load i8, ptr %a17
+  call void @finch_str_from_char(ptr %a82, i8 signext %t81)
+  %t83 = load { ptr, i64, i64 }, ptr %a82
+  %t84 = load i64, ptr %t80
+  %t85 = add i64 %t84, 1
+  call void @finch_arr_reserve(ptr %a8, i64 %t85, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t86 = load ptr, ptr %a8
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i64 %t84
+  store { ptr, i64, i64 } %t83, ptr %t87
+  store i64 %t85, ptr %t80
+  br label %endif10920
+endif10920:
+  br label %endif10917
+endif10917:
+  br label %endif10914
+endif10914:
+  br label %endif10911
+endif10911:
+  br label %endif10908
+endif10908:
+  br label %endif10905
+endif10905:
+  br label %each.step10901
+each.step10901:
+  %t88 = load i64, ptr %a9
   %t89 = add i64 %t88, 1
-  call void @finch_arr_reserve(ptr %a8, i64 %t89, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t90 = load ptr, ptr %a8
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i64 %t88
-  store { ptr, i64, i64 } { ptr @.str.6824, i64 1, i64 0 }, ptr %t91
-  store i64 %t89, ptr %t87
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6825, i64 0, i64 0 }, ptr %a93
-  call void @finch_str_join(ptr %a94, ptr %a8, ptr %a93)
-  %t95 = load { ptr, i64, i64 }, ptr %a94
-  ret { ptr, i64, i64 } %t95
+  store i64 %t89, ptr %a9
+  br label %each.cond10899
+each.end10902:
+  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t91 = load i64, ptr %t90
+  %t92 = add i64 %t91, 1
+  call void @finch_arr_reserve(ptr %a8, i64 %t92, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t93 = load ptr, ptr %a8
+  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i64 %t91
+  store { ptr, i64, i64 } { ptr @.str.7039, i64 1, i64 0 }, ptr %t94
+  store i64 %t92, ptr %t90
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.7040, i64 0, i64 0 }, ptr %a96
+  call void @finch_str_join(ptr %a97, ptr %a8, ptr %a96)
+  %t98 = load { ptr, i64, i64 }, ptr %a97
+  call void @finch.drop.arr_str(ptr %a8)
+  ret { ptr, i64, i64 } %t98
 }
 
 define internal { ptr, i64, i64 } @finch.json.hexdigit(i64 %p0) {
@@ -91991,21 +109954,22 @@ entry:
   %a2 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6826, i64 16, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.7041, i64 16, i64 0 }, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 %t3, %t5
-  br i1 %t6, label %range10387, label %inrange10388
-range10387:
-  call void @finch_panic_index(ptr @.str.6827, i64 175, i64 %t3, i64 %t5)
+  br i1 %t6, label %range10921, label %inrange10922
+range10921:
+  call void @finch_panic_index(ptr @.str.7042, i64 175, i64 %t3, i64 %t5)
   unreachable
-inrange10388:
+inrange10922:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds i8, ptr %t7, i64 %t3
   %t9 = load i8, ptr %t8
   call void @finch_str_from_char(ptr %a10, i8 signext %t9)
   %t11 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch_str_drop(ptr %a2)
   ret { ptr, i64, i64 } %t11
 }
 
@@ -92020,37 +109984,37 @@ entry:
   %t4 = fptosi double %t3 to i64
   %t5 = sitofp i64 %t4 to double
   %t6 = fcmp oeq double %t2, %t5
-  br label %logic.from10389
-logic.from10389:
-  br i1 %t6, label %logic.rhs10390, label %logic.end10391
-logic.rhs10390:
+  br label %logic.from10923
+logic.from10923:
+  br i1 %t6, label %logic.rhs10924, label %logic.end10925
+logic.rhs10924:
   %t7 = load double, ptr %a1
   %t8 = fneg double 1000000000000000.0
   %t9 = fcmp ogt double %t7, %t8
-  br label %logic.rend10392
-logic.rend10392:
-  br label %logic.end10391
-logic.end10391:
-  %t10 = phi i1 [ false, %logic.from10389 ], [ %t9, %logic.rend10392 ]
-  br label %logic.from10393
-logic.from10393:
-  br i1 %t10, label %logic.rhs10394, label %logic.end10395
-logic.rhs10394:
+  br label %logic.rend10926
+logic.rend10926:
+  br label %logic.end10925
+logic.end10925:
+  %t10 = phi i1 [ false, %logic.from10923 ], [ %t9, %logic.rend10926 ]
+  br label %logic.from10927
+logic.from10927:
+  br i1 %t10, label %logic.rhs10928, label %logic.end10929
+logic.rhs10928:
   %t11 = load double, ptr %a1
   %t12 = fcmp olt double %t11, 1000000000000000.0
-  br label %logic.rend10396
-logic.rend10396:
-  br label %logic.end10395
-logic.end10395:
-  %t13 = phi i1 [ false, %logic.from10393 ], [ %t12, %logic.rend10396 ]
-  br i1 %t13, label %then10397, label %endif10399
-then10397:
+  br label %logic.rend10930
+logic.rend10930:
+  br label %logic.end10929
+logic.end10929:
+  %t13 = phi i1 [ false, %logic.from10927 ], [ %t12, %logic.rend10930 ]
+  br i1 %t13, label %then10931, label %endif10933
+then10931:
   %t14 = load double, ptr %a1
   %t15 = fptosi double %t14 to i64
   call void @finch_str_from_int(ptr %a16, i64 %t15)
   %t17 = load { ptr, i64, i64 }, ptr %a16
   ret { ptr, i64, i64 } %t17
-endif10399:
+endif10933:
   %t18 = load double, ptr %a1
   call void @finch_str_from_float(ptr %a19, double %t18)
   %t20 = load { ptr, i64, i64 }, ptr %a19
@@ -92067,516 +110031,560 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca i64, align 16
-  %a107 = alloca i64, align 16
-  %a108 = alloca %S.json.Json, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca i64, align 16
+  %a113 = alloca i64, align 16
+  %a114 = alloca %S.json.Json, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca i64, align 16
-  %a196 = alloca i64, align 16
-  %a197 = alloca %S.json.Json, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca i64, align 16
+  %a203 = alloca i64, align 16
+  %a204 = alloca %S.json.Json, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
   store %S.json.Json %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store ptr %p3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6828, i64 0, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6829, i64 0, i64 0 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6830, i64 1, i64 0 }, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.6831, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.7043, i64 0, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7044, i64 0, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.7045, i64 1, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.7046, i64 1, i64 0 }, ptr %a8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp sgt i64 %t10, 0
-  br i1 %t11, label %then10400, label %endif10402
-then10400:
-  store { ptr, i64, i64 } { ptr @.str.6832, i64 1, i64 0 }, ptr %a5
-  %t12 = load { ptr, i64, i64 }, ptr %a3
-  %t13 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t12, ptr %a15
-  store { ptr, i64, i64 } %t13, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6833, i64 2, i64 0 }, ptr %a8
-  br label %endif10402
-endif10402:
-  %t18 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 0
-  %t19 = load i32, ptr %t18
-  %t20 = icmp eq i32 %t19, 0
-  br i1 %t20, label %match.arm10404, label %match.next10405
-match.arm10404:
-  %t21 = load ptr, ptr %a4
-  %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic10406, label %ok10407
-panic10406:
-  call void @finch_panic(ptr @.str.6834, i64 200, ptr @.str.6835)
+  br i1 %t11, label %then10934, label %endif10936
+then10934:
+  %t12 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7047, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t12, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a3
+  %t15 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t14, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a16
+  %t20 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t19, ptr %a6
+  store { ptr, i64, i64 } %t20, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.7048, i64 2, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  br label %endif10936
+endif10936:
+  %t24 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 0
+  %t25 = load i32, ptr %t24
+  %t26 = icmp eq i32 %t25, 0
+  br i1 %t26, label %match.arm10938, label %match.next10939
+match.arm10938:
+  %t27 = load ptr, ptr %a4
+  %t28 = icmp eq ptr %t27, null
+  br i1 %t28, label %panic10940, label %ok10941
+panic10940:
+  call void @finch_panic(ptr @.str.7049, i64 200, ptr @.str.7050)
   unreachable
-ok10407:
-  %t23 = getelementptr inbounds %S.json.Writer, ptr %t21, i32 0, i32 0
-  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i32 0, i32 1
-  %t25 = load i64, ptr %t24
-  %t26 = add i64 %t25, 1
-  call void @finch_arr_reserve(ptr %t23, i64 %t26, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t27 = load ptr, ptr %t23
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i64 %t25
-  store { ptr, i64, i64 } { ptr @.str.6836, i64 4, i64 0 }, ptr %t28
-  store i64 %t26, ptr %t24
-  br label %match.end10403
-match.next10405:
-  %t29 = icmp eq i32 %t19, 1
-  br i1 %t29, label %match.arm10408, label %match.next10409
-match.arm10408:
-  %t30 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 1
-  %t31 = load i1, ptr %t30
-  br i1 %t31, label %then10410, label %else10411
-then10410:
-  %t32 = load ptr, ptr %a4
-  %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic10413, label %ok10414
-panic10413:
-  call void @finch_panic(ptr @.str.6837, i64 203, ptr @.str.6838)
+ok10941:
+  %t29 = getelementptr inbounds %S.json.Writer, ptr %t27, i32 0, i32 0
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
+  %t31 = load i64, ptr %t30
+  %t32 = add i64 %t31, 1
+  call void @finch_arr_reserve(ptr %t29, i64 %t32, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t33 = load ptr, ptr %t29
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
+  store { ptr, i64, i64 } { ptr @.str.7051, i64 4, i64 0 }, ptr %t34
+  store i64 %t32, ptr %t30
+  br label %match.end10937
+match.next10939:
+  %t35 = icmp eq i32 %t25, 1
+  br i1 %t35, label %match.arm10942, label %match.next10943
+match.arm10942:
+  %t36 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 1
+  %t37 = load i1, ptr %t36
+  br i1 %t37, label %then10944, label %else10945
+then10944:
+  %t38 = load ptr, ptr %a4
+  %t39 = icmp eq ptr %t38, null
+  br i1 %t39, label %panic10947, label %ok10948
+panic10947:
+  call void @finch_panic(ptr @.str.7052, i64 203, ptr @.str.7053)
   unreachable
-ok10414:
-  %t34 = getelementptr inbounds %S.json.Writer, ptr %t32, i32 0, i32 0
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
-  %t36 = load i64, ptr %t35
-  %t37 = add i64 %t36, 1
-  call void @finch_arr_reserve(ptr %t34, i64 %t37, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t38 = load ptr, ptr %t34
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i64 %t36
-  store { ptr, i64, i64 } { ptr @.str.6839, i64 4, i64 0 }, ptr %t39
-  store i64 %t37, ptr %t35
-  br label %endif10412
-else10411:
-  %t40 = load ptr, ptr %a4
-  %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic10415, label %ok10416
-panic10415:
-  call void @finch_panic(ptr @.str.6840, i64 205, ptr @.str.6841)
+ok10948:
+  %t40 = getelementptr inbounds %S.json.Writer, ptr %t38, i32 0, i32 0
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = add i64 %t42, 1
+  call void @finch_arr_reserve(ptr %t40, i64 %t43, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t44 = load ptr, ptr %t40
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 %t42
+  store { ptr, i64, i64 } { ptr @.str.7054, i64 4, i64 0 }, ptr %t45
+  store i64 %t43, ptr %t41
+  br label %endif10946
+else10945:
+  %t46 = load ptr, ptr %a4
+  %t47 = icmp eq ptr %t46, null
+  br i1 %t47, label %panic10949, label %ok10950
+panic10949:
+  call void @finch_panic(ptr @.str.7055, i64 205, ptr @.str.7056)
   unreachable
-ok10416:
-  %t42 = getelementptr inbounds %S.json.Writer, ptr %t40, i32 0, i32 0
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
-  %t44 = load i64, ptr %t43
-  %t45 = add i64 %t44, 1
-  call void @finch_arr_reserve(ptr %t42, i64 %t45, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t46 = load ptr, ptr %t42
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t44
-  store { ptr, i64, i64 } { ptr @.str.6842, i64 5, i64 0 }, ptr %t47
-  store i64 %t45, ptr %t43
-  br label %endif10412
-endif10412:
-  br label %match.end10403
-match.next10409:
-  %t48 = icmp eq i32 %t19, 2
-  br i1 %t48, label %match.arm10417, label %match.next10418
-match.arm10417:
-  %t49 = load ptr, ptr %a4
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic10419, label %ok10420
-panic10419:
-  call void @finch_panic(ptr @.str.6843, i64 208, ptr @.str.6844)
+ok10950:
+  %t48 = getelementptr inbounds %S.json.Writer, ptr %t46, i32 0, i32 0
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i32 0, i32 1
+  %t50 = load i64, ptr %t49
+  %t51 = add i64 %t50, 1
+  call void @finch_arr_reserve(ptr %t48, i64 %t51, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t52 = load ptr, ptr %t48
+  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i64 %t50
+  store { ptr, i64, i64 } { ptr @.str.7057, i64 5, i64 0 }, ptr %t53
+  store i64 %t51, ptr %t49
+  br label %endif10946
+endif10946:
+  br label %match.end10937
+match.next10943:
+  %t54 = icmp eq i32 %t25, 2
+  br i1 %t54, label %match.arm10951, label %match.next10952
+match.arm10951:
+  %t55 = load ptr, ptr %a4
+  %t56 = icmp eq ptr %t55, null
+  br i1 %t56, label %panic10953, label %ok10954
+panic10953:
+  call void @finch_panic(ptr @.str.7058, i64 208, ptr @.str.7059)
   unreachable
-ok10420:
-  %t51 = getelementptr inbounds %S.json.Writer, ptr %t49, i32 0, i32 0
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i32 0, i32 1
-  %t53 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 2
-  %t54 = load double, ptr %t53
-  %t55 = call { ptr, i64, i64 } @finch.json.number_text(double %t54)
-  %t56 = load i64, ptr %t52
-  %t57 = add i64 %t56, 1
-  call void @finch_arr_reserve(ptr %t51, i64 %t57, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t58 = load ptr, ptr %t51
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i64 %t56
-  store { ptr, i64, i64 } %t55, ptr %t59
-  store i64 %t57, ptr %t52
-  br label %match.end10403
-match.next10418:
-  %t60 = icmp eq i32 %t19, 3
-  br i1 %t60, label %match.arm10421, label %match.next10422
-match.arm10421:
-  %t61 = load ptr, ptr %a4
-  %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic10423, label %ok10424
-panic10423:
-  call void @finch_panic(ptr @.str.6845, i64 209, ptr @.str.6846)
+ok10954:
+  %t57 = getelementptr inbounds %S.json.Writer, ptr %t55, i32 0, i32 0
+  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t57, i32 0, i32 1
+  %t59 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 2
+  %t60 = load double, ptr %t59
+  %t61 = call { ptr, i64, i64 } @finch.json.number_text(double %t60)
+  %t62 = load i64, ptr %t58
+  %t63 = add i64 %t62, 1
+  call void @finch_arr_reserve(ptr %t57, i64 %t63, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t64 = load ptr, ptr %t57
+  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t62
+  store { ptr, i64, i64 } %t61, ptr %t65
+  store i64 %t63, ptr %t58
+  br label %match.end10937
+match.next10952:
+  %t66 = icmp eq i32 %t25, 3
+  br i1 %t66, label %match.arm10955, label %match.next10956
+match.arm10955:
+  %t67 = load ptr, ptr %a4
+  %t68 = icmp eq ptr %t67, null
+  br i1 %t68, label %panic10957, label %ok10958
+panic10957:
+  call void @finch_panic(ptr @.str.7060, i64 209, ptr @.str.7061)
   unreachable
-ok10424:
-  %t63 = getelementptr inbounds %S.json.Writer, ptr %t61, i32 0, i32 0
-  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
-  %t65 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 3
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  %t67 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t66)
-  %t68 = load i64, ptr %t64
-  %t69 = add i64 %t68, 1
-  call void @finch_arr_reserve(ptr %t63, i64 %t69, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t70 = load ptr, ptr %t63
-  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 %t68
-  store { ptr, i64, i64 } %t67, ptr %t71
-  store i64 %t69, ptr %t64
-  br label %match.end10403
-match.next10422:
-  %t72 = icmp eq i32 %t19, 4
-  br i1 %t72, label %match.arm10425, label %match.next10426
-match.arm10425:
-  %t73 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load i64, ptr %t74
-  %t76 = icmp eq i64 %t75, 0
-  br i1 %t76, label %then10427, label %endif10429
-then10427:
-  %t77 = load ptr, ptr %a4
-  %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic10430, label %ok10431
-panic10430:
-  call void @finch_panic(ptr @.str.6847, i64 212, ptr @.str.6848)
-  unreachable
-ok10431:
-  %t79 = getelementptr inbounds %S.json.Writer, ptr %t77, i32 0, i32 0
+ok10958:
+  %t69 = getelementptr inbounds %S.json.Writer, ptr %t67, i32 0, i32 0
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i32 0, i32 1
+  %t71 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 3
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  %t73 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t72)
+  %t74 = load i64, ptr %t70
+  %t75 = add i64 %t74, 1
+  call void @finch_arr_reserve(ptr %t69, i64 %t75, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t76 = load ptr, ptr %t69
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i64 %t74
+  store { ptr, i64, i64 } %t73, ptr %t77
+  store i64 %t75, ptr %t70
+  br label %match.end10937
+match.next10956:
+  %t78 = icmp eq i32 %t25, 4
+  br i1 %t78, label %match.arm10959, label %match.next10960
+match.arm10959:
+  %t79 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
   %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %t79, i32 0, i32 1
   %t81 = load i64, ptr %t80
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %t79, i64 %t82, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %t79
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  store { ptr, i64, i64 } { ptr @.str.6849, i64 2, i64 0 }, ptr %t84
-  store i64 %t82, ptr %t80
+  %t82 = icmp eq i64 %t81, 0
+  br i1 %t82, label %then10961, label %endif10963
+then10961:
+  %t83 = load ptr, ptr %a4
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic10964, label %ok10965
+panic10964:
+  call void @finch_panic(ptr @.str.7062, i64 212, ptr @.str.7063)
+  unreachable
+ok10965:
+  %t85 = getelementptr inbounds %S.json.Writer, ptr %t83, i32 0, i32 0
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = add i64 %t87, 1
+  call void @finch_arr_reserve(ptr %t85, i64 %t88, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t89 = load ptr, ptr %t85
+  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i64 %t87
+  store { ptr, i64, i64 } { ptr @.str.7064, i64 2, i64 0 }, ptr %t90
+  store i64 %t88, ptr %t86
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a7)
+  call void @finch_str_drop(ptr %a6)
+  call void @finch_str_drop(ptr %a5)
   ret void
-endif10429:
-  %t85 = load ptr, ptr %a4
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic10432, label %ok10433
-panic10432:
-  call void @finch_panic(ptr @.str.6850, i64 215, ptr @.str.6851)
+endif10963:
+  %t91 = load ptr, ptr %a4
+  %t92 = icmp eq ptr %t91, null
+  br i1 %t92, label %panic10966, label %ok10967
+panic10966:
+  call void @finch_panic(ptr @.str.7065, i64 215, ptr @.str.7066)
   unreachable
-ok10433:
-  %t87 = getelementptr inbounds %S.json.Writer, ptr %t85, i32 0, i32 0
-  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
-  %t89 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6852, i64 1, i64 0 }, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load i64, ptr %t88
-  %t95 = add i64 %t94, 1
-  call void @finch_arr_reserve(ptr %t87, i64 %t95, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t96 = load ptr, ptr %t87
-  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i64 %t94
-  store { ptr, i64, i64 } %t93, ptr %t97
-  store i64 %t95, ptr %t88
-  %t98 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a99
-  br label %each.cond10434
-each.cond10434:
-  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
-  %t101 = load i64, ptr %t100
-  %t102 = load i64, ptr %a99
-  %t103 = icmp slt i64 %t102, %t101
-  br i1 %t103, label %each.body10435, label %each.end10437
-each.body10435:
-  %t104 = load ptr, ptr %t98
-  %t105 = getelementptr inbounds %S.json.Json, ptr %t104, i64 %t102
-  %t106 = load %S.json.Json, ptr %t105
-  store i64 %t102, ptr %a107
-  store %S.json.Json %t106, ptr %a108
-  %t109 = load i64, ptr %a107
-  %t110 = icmp sgt i64 %t109, 0
-  br i1 %t110, label %then10438, label %endif10440
-then10438:
-  %t111 = load ptr, ptr %a4
-  %t112 = icmp eq ptr %t111, null
-  br i1 %t112, label %panic10441, label %ok10442
-panic10441:
-  call void @finch_panic(ptr @.str.6853, i64 218, ptr @.str.6854)
+ok10967:
+  %t93 = getelementptr inbounds %S.json.Writer, ptr %t91, i32 0, i32 0
+  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i32 0, i32 1
+  %t95 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7067, i64 1, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  %t99 = load { ptr, i64, i64 }, ptr %a96
+  %t100 = load i64, ptr %t94
+  %t101 = add i64 %t100, 1
+  call void @finch_arr_reserve(ptr %t93, i64 %t101, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t102 = load ptr, ptr %t93
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i64 %t100
+  store { ptr, i64, i64 } %t99, ptr %t103
+  store i64 %t101, ptr %t94
+  %t104 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a105
+  br label %each.cond10968
+each.cond10968:
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t107 = load i64, ptr %t106
+  %t108 = load i64, ptr %a105
+  %t109 = icmp slt i64 %t108, %t107
+  br i1 %t109, label %each.body10969, label %each.end10971
+each.body10969:
+  %t110 = load ptr, ptr %t104
+  %t111 = getelementptr inbounds %S.json.Json, ptr %t110, i64 %t108
+  %t112 = load %S.json.Json, ptr %t111
+  store i64 %t108, ptr %a113
+  store %S.json.Json %t112, ptr %a114
+  %t115 = load i64, ptr %a113
+  %t116 = icmp sgt i64 %t115, 0
+  br i1 %t116, label %then10972, label %endif10974
+then10972:
+  %t117 = load ptr, ptr %a4
+  %t118 = icmp eq ptr %t117, null
+  br i1 %t118, label %panic10975, label %ok10976
+panic10975:
+  call void @finch_panic(ptr @.str.7068, i64 218, ptr @.str.7069)
   unreachable
-ok10442:
-  %t113 = getelementptr inbounds %S.json.Writer, ptr %t111, i32 0, i32 0
-  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %t113, i32 0, i32 1
-  %t115 = load { ptr, i64, i64 }, ptr %a7
-  %t116 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t115, ptr %a118
-  store { ptr, i64, i64 } %t116, ptr %a119
-  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  %t121 = load i64, ptr %t114
-  %t122 = add i64 %t121, 1
-  call void @finch_arr_reserve(ptr %t113, i64 %t122, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t123 = load ptr, ptr %t113
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i64 %t121
-  store { ptr, i64, i64 } %t120, ptr %t124
-  store i64 %t122, ptr %t114
-  br label %endif10440
-endif10440:
-  %t125 = load ptr, ptr %a4
-  %t126 = icmp eq ptr %t125, null
-  br i1 %t126, label %panic10443, label %ok10444
-panic10443:
-  call void @finch_panic(ptr @.str.6855, i64 220, ptr @.str.6856)
+ok10976:
+  %t119 = getelementptr inbounds %S.json.Writer, ptr %t117, i32 0, i32 0
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %a7
+  %t122 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t121, ptr %a124
+  store { ptr, i64, i64 } %t122, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a123
+  %t127 = load i64, ptr %t120
+  %t128 = add i64 %t127, 1
+  call void @finch_arr_reserve(ptr %t119, i64 %t128, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t129 = load ptr, ptr %t119
+  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t129, i64 %t127
+  store { ptr, i64, i64 } %t126, ptr %t130
+  store i64 %t128, ptr %t120
+  br label %endif10974
+endif10974:
+  %t131 = load ptr, ptr %a4
+  %t132 = icmp eq ptr %t131, null
+  br i1 %t132, label %panic10977, label %ok10978
+panic10977:
+  call void @finch_panic(ptr @.str.7070, i64 220, ptr @.str.7071)
   unreachable
-ok10444:
-  %t127 = getelementptr inbounds %S.json.Writer, ptr %t125, i32 0, i32 0
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i32 0, i32 1
-  %t129 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t129, ptr %a130
-  call void @finch_str_copy(ptr %a131, ptr %a130)
-  %t132 = load { ptr, i64, i64 }, ptr %a131
-  %t133 = load i64, ptr %t128
-  %t134 = add i64 %t133, 1
-  call void @finch_arr_reserve(ptr %t127, i64 %t134, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t135 = load ptr, ptr %t127
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i64 %t133
-  store { ptr, i64, i64 } %t132, ptr %t136
-  store i64 %t134, ptr %t128
-  %t137 = load %S.json.Json, ptr %a108
-  %t138 = load { ptr, i64, i64 }, ptr %a2
-  %t139 = load { ptr, i64, i64 }, ptr %a6
-  %t140 = load ptr, ptr %a4
-  call void @finch.json.write(%S.json.Json %t137, { ptr, i64, i64 } %t138, { ptr, i64, i64 } %t139, ptr %t140)
-  br label %each.step10436
-each.step10436:
-  %t141 = load i64, ptr %a99
-  %t142 = add i64 %t141, 1
-  store i64 %t142, ptr %a99
-  br label %each.cond10434
-each.end10437:
-  %t143 = load ptr, ptr %a4
-  %t144 = icmp eq ptr %t143, null
-  br i1 %t144, label %panic10445, label %ok10446
-panic10445:
-  call void @finch_panic(ptr @.str.6857, i64 223, ptr @.str.6858)
+ok10978:
+  %t133 = getelementptr inbounds %S.json.Writer, ptr %t131, i32 0, i32 0
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_copy(ptr %a137, ptr %a136)
+  %t138 = load { ptr, i64, i64 }, ptr %a137
+  %t139 = load i64, ptr %t134
+  %t140 = add i64 %t139, 1
+  call void @finch_arr_reserve(ptr %t133, i64 %t140, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t141 = load ptr, ptr %t133
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i64 %t139
+  store { ptr, i64, i64 } %t138, ptr %t142
+  store i64 %t140, ptr %t134
+  %t143 = load %S.json.Json, ptr %a114
+  %t144 = load { ptr, i64, i64 }, ptr %a2
+  %t145 = load { ptr, i64, i64 }, ptr %a6
+  %t146 = load ptr, ptr %a4
+  call void @finch.json.write(%S.json.Json %t143, { ptr, i64, i64 } %t144, { ptr, i64, i64 } %t145, ptr %t146)
+  br label %each.step10970
+each.step10970:
+  %t147 = load i64, ptr %a105
+  %t148 = add i64 %t147, 1
+  store i64 %t148, ptr %a105
+  br label %each.cond10968
+each.end10971:
+  %t149 = load ptr, ptr %a4
+  %t150 = icmp eq ptr %t149, null
+  br i1 %t150, label %panic10979, label %ok10980
+panic10979:
+  call void @finch_panic(ptr @.str.7072, i64 223, ptr @.str.7073)
   unreachable
-ok10446:
-  %t145 = getelementptr inbounds %S.json.Writer, ptr %t143, i32 0, i32 0
-  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
-  %t147 = load { ptr, i64, i64 }, ptr %a5
-  %t148 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t147, ptr %a150
-  store { ptr, i64, i64 } %t148, ptr %a151
-  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
-  %t152 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t152, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.6859, i64 1, i64 0 }, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  %t157 = load i64, ptr %t146
-  %t158 = add i64 %t157, 1
-  call void @finch_arr_reserve(ptr %t145, i64 %t158, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t159 = load ptr, ptr %t145
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %t159, i64 %t157
-  store { ptr, i64, i64 } %t156, ptr %t160
-  store i64 %t158, ptr %t146
-  br label %match.end10403
-match.next10426:
-  %t161 = icmp eq i32 %t19, 5
-  br i1 %t161, label %match.arm10447, label %match.next10448
-match.arm10447:
-  %t162 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
-  %t164 = load i64, ptr %t163
-  %t165 = icmp eq i64 %t164, 0
-  br i1 %t165, label %then10449, label %endif10451
-then10449:
-  %t166 = load ptr, ptr %a4
-  %t167 = icmp eq ptr %t166, null
-  br i1 %t167, label %panic10452, label %ok10453
-panic10452:
-  call void @finch_panic(ptr @.str.6860, i64 227, ptr @.str.6861)
+ok10980:
+  %t151 = getelementptr inbounds %S.json.Writer, ptr %t149, i32 0, i32 0
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = load { ptr, i64, i64 }, ptr %a5
+  %t154 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t153, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t158, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.7074, i64 1, i64 0 }, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  store { ptr, i64, i64 } %t158, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = load { ptr, i64, i64 }, ptr %a159
+  %t164 = load i64, ptr %t152
+  %t165 = add i64 %t164, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t165, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t166 = load ptr, ptr %t151
+  %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %t166, i64 %t164
+  store { ptr, i64, i64 } %t163, ptr %t167
+  store i64 %t165, ptr %t152
+  br label %match.end10937
+match.next10960:
+  %t168 = icmp eq i32 %t25, 5
+  br i1 %t168, label %match.arm10981, label %match.next10982
+match.arm10981:
+  %t169 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
+  %t170 = getelementptr inbounds { ptr, i64, i64 }, ptr %t169, i32 0, i32 1
+  %t171 = load i64, ptr %t170
+  %t172 = icmp eq i64 %t171, 0
+  br i1 %t172, label %then10983, label %endif10985
+then10983:
+  %t173 = load ptr, ptr %a4
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic10986, label %ok10987
+panic10986:
+  call void @finch_panic(ptr @.str.7075, i64 227, ptr @.str.7076)
   unreachable
-ok10453:
-  %t168 = getelementptr inbounds %S.json.Writer, ptr %t166, i32 0, i32 0
-  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t168, i32 0, i32 1
-  %t170 = load i64, ptr %t169
-  %t171 = add i64 %t170, 1
-  call void @finch_arr_reserve(ptr %t168, i64 %t171, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t172 = load ptr, ptr %t168
-  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i64 %t170
-  store { ptr, i64, i64 } { ptr @.str.6862, i64 2, i64 0 }, ptr %t173
-  store i64 %t171, ptr %t169
+ok10987:
+  %t175 = getelementptr inbounds %S.json.Writer, ptr %t173, i32 0, i32 0
+  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t175, i32 0, i32 1
+  %t177 = load i64, ptr %t176
+  %t178 = add i64 %t177, 1
+  call void @finch_arr_reserve(ptr %t175, i64 %t178, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t179 = load ptr, ptr %t175
+  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i64 %t177
+  store { ptr, i64, i64 } { ptr @.str.7077, i64 2, i64 0 }, ptr %t180
+  store i64 %t178, ptr %t176
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a7)
+  call void @finch_str_drop(ptr %a6)
+  call void @finch_str_drop(ptr %a5)
   ret void
-endif10451:
-  %t174 = load ptr, ptr %a4
-  %t175 = icmp eq ptr %t174, null
-  br i1 %t175, label %panic10454, label %ok10455
-panic10454:
-  call void @finch_panic(ptr @.str.6863, i64 230, ptr @.str.6864)
+endif10985:
+  %t181 = load ptr, ptr %a4
+  %t182 = icmp eq ptr %t181, null
+  br i1 %t182, label %panic10988, label %ok10989
+panic10988:
+  call void @finch_panic(ptr @.str.7078, i64 230, ptr @.str.7079)
   unreachable
-ok10455:
-  %t176 = getelementptr inbounds %S.json.Writer, ptr %t174, i32 0, i32 0
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i32 0, i32 1
-  %t178 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6865, i64 1, i64 0 }, ptr %a180
-  store { ptr, i64, i64 } %t178, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  %t183 = load i64, ptr %t177
-  %t184 = add i64 %t183, 1
-  call void @finch_arr_reserve(ptr %t176, i64 %t184, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t185 = load ptr, ptr %t176
-  %t186 = getelementptr inbounds { ptr, i64, i64 }, ptr %t185, i64 %t183
-  store { ptr, i64, i64 } %t182, ptr %t186
-  store i64 %t184, ptr %t177
-  %t187 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a188
-  br label %each.cond10456
-each.cond10456:
-  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t187, i32 0, i32 1
-  %t190 = load i64, ptr %t189
-  %t191 = load i64, ptr %a188
-  %t192 = icmp slt i64 %t191, %t190
-  br i1 %t192, label %each.body10457, label %each.end10459
-each.body10457:
-  %t193 = load ptr, ptr %t187
-  %t194 = getelementptr inbounds %S.json.Json, ptr %t193, i64 %t191
-  %t195 = load %S.json.Json, ptr %t194
-  store i64 %t191, ptr %a196
-  store %S.json.Json %t195, ptr %a197
-  %t198 = load i64, ptr %a196
-  %t199 = icmp sgt i64 %t198, 0
-  br i1 %t199, label %then10460, label %endif10462
-then10460:
-  %t200 = load ptr, ptr %a4
-  %t201 = icmp eq ptr %t200, null
-  br i1 %t201, label %panic10463, label %ok10464
-panic10463:
-  call void @finch_panic(ptr @.str.6866, i64 233, ptr @.str.6867)
+ok10989:
+  %t183 = getelementptr inbounds %S.json.Writer, ptr %t181, i32 0, i32 0
+  %t184 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i32 0, i32 1
+  %t185 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7080, i64 1, i64 0 }, ptr %a187
+  store { ptr, i64, i64 } %t185, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  %t189 = load { ptr, i64, i64 }, ptr %a186
+  %t190 = load i64, ptr %t184
+  %t191 = add i64 %t190, 1
+  call void @finch_arr_reserve(ptr %t183, i64 %t191, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t192 = load ptr, ptr %t183
+  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t192, i64 %t190
+  store { ptr, i64, i64 } %t189, ptr %t193
+  store i64 %t191, ptr %t184
+  %t194 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a195
+  br label %each.cond10990
+each.cond10990:
+  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
+  %t197 = load i64, ptr %t196
+  %t198 = load i64, ptr %a195
+  %t199 = icmp slt i64 %t198, %t197
+  br i1 %t199, label %each.body10991, label %each.end10993
+each.body10991:
+  %t200 = load ptr, ptr %t194
+  %t201 = getelementptr inbounds %S.json.Json, ptr %t200, i64 %t198
+  %t202 = load %S.json.Json, ptr %t201
+  store i64 %t198, ptr %a203
+  store %S.json.Json %t202, ptr %a204
+  %t205 = load i64, ptr %a203
+  %t206 = icmp sgt i64 %t205, 0
+  br i1 %t206, label %then10994, label %endif10996
+then10994:
+  %t207 = load ptr, ptr %a4
+  %t208 = icmp eq ptr %t207, null
+  br i1 %t208, label %panic10997, label %ok10998
+panic10997:
+  call void @finch_panic(ptr @.str.7081, i64 233, ptr @.str.7082)
   unreachable
-ok10464:
-  %t202 = getelementptr inbounds %S.json.Writer, ptr %t200, i32 0, i32 0
-  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t202, i32 0, i32 1
-  %t204 = load { ptr, i64, i64 }, ptr %a7
-  %t205 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t204, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  %t210 = load i64, ptr %t203
-  %t211 = add i64 %t210, 1
-  call void @finch_arr_reserve(ptr %t202, i64 %t211, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t212 = load ptr, ptr %t202
-  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i64 %t210
-  store { ptr, i64, i64 } %t209, ptr %t213
-  store i64 %t211, ptr %t203
-  br label %endif10462
-endif10462:
-  %t214 = load ptr, ptr %a4
-  %t215 = icmp eq ptr %t214, null
-  br i1 %t215, label %panic10465, label %ok10466
-panic10465:
-  call void @finch_panic(ptr @.str.6868, i64 235, ptr @.str.6869)
+ok10998:
+  %t209 = getelementptr inbounds %S.json.Writer, ptr %t207, i32 0, i32 0
+  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i32 0, i32 1
+  %t211 = load { ptr, i64, i64 }, ptr %a7
+  %t212 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t211, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a213
+  %t217 = load i64, ptr %t210
+  %t218 = add i64 %t217, 1
+  call void @finch_arr_reserve(ptr %t209, i64 %t218, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t219 = load ptr, ptr %t209
+  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %t219, i64 %t217
+  store { ptr, i64, i64 } %t216, ptr %t220
+  store i64 %t218, ptr %t210
+  br label %endif10996
+endif10996:
+  %t221 = load ptr, ptr %a4
+  %t222 = icmp eq ptr %t221, null
+  br i1 %t222, label %panic10999, label %ok11000
+panic10999:
+  call void @finch_panic(ptr @.str.7083, i64 235, ptr @.str.7084)
   unreachable
-ok10466:
-  %t216 = getelementptr inbounds %S.json.Writer, ptr %t214, i32 0, i32 0
-  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i32 0, i32 1
-  %t218 = load { ptr, i64, i64 }, ptr %a6
-  %t219 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 5
-  %t220 = load i64, ptr %a196
-  %t221 = load { ptr, i64, i64 }, ptr %t219
-  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
-  %t223 = icmp uge i64 %t220, %t222
-  br i1 %t223, label %range10467, label %inrange10468
-range10467:
-  call void @finch_panic_index(ptr @.str.6870, i64 235, i64 %t220, i64 %t222)
+ok11000:
+  %t223 = getelementptr inbounds %S.json.Writer, ptr %t221, i32 0, i32 0
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i32 0, i32 1
+  %t225 = load { ptr, i64, i64 }, ptr %a6
+  %t226 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 5
+  %t227 = load i64, ptr %a203
+  %t228 = load { ptr, i64, i64 }, ptr %t226
+  %t229 = extractvalue { ptr, i64, i64 } %t228, 1
+  %t230 = icmp uge i64 %t227, %t229
+  br i1 %t230, label %range11001, label %inrange11002
+range11001:
+  call void @finch_panic_index(ptr @.str.7085, i64 235, i64 %t227, i64 %t229)
   unreachable
-inrange10468:
-  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
-  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i64 %t220
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  %t227 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t226)
-  store { ptr, i64, i64 } %t218, ptr %a229
-  store { ptr, i64, i64 } %t227, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t231, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  %t237 = load i64, ptr %t217
-  %t238 = add i64 %t237, 1
-  call void @finch_arr_reserve(ptr %t216, i64 %t238, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t239 = load ptr, ptr %t216
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %t239, i64 %t237
-  store { ptr, i64, i64 } %t236, ptr %t240
-  store i64 %t238, ptr %t217
-  %t241 = load %S.json.Json, ptr %a197
-  %t242 = load { ptr, i64, i64 }, ptr %a2
-  %t243 = load { ptr, i64, i64 }, ptr %a6
-  %t244 = load ptr, ptr %a4
-  call void @finch.json.write(%S.json.Json %t241, { ptr, i64, i64 } %t242, { ptr, i64, i64 } %t243, ptr %t244)
-  br label %each.step10458
-each.step10458:
-  %t245 = load i64, ptr %a188
-  %t246 = add i64 %t245, 1
-  store i64 %t246, ptr %a188
-  br label %each.cond10456
-each.end10459:
-  %t247 = load ptr, ptr %a4
-  %t248 = icmp eq ptr %t247, null
-  br i1 %t248, label %panic10469, label %ok10470
-panic10469:
-  call void @finch_panic(ptr @.str.6871, i64 238, ptr @.str.6872)
+inrange11002:
+  %t231 = extractvalue { ptr, i64, i64 } %t228, 0
+  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t231, i64 %t227
+  %t233 = load { ptr, i64, i64 }, ptr %t232
+  %t234 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t233)
+  store { ptr, i64, i64 } %t225, ptr %a236
+  store { ptr, i64, i64 } %t234, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  %t240 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t239, ptr %a242
+  store { ptr, i64, i64 } %t240, ptr %a243
+  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
+  store { ptr, i64, i64 } %t239, ptr %a244
+  call void @finch_str_drop(ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a241
+  %t246 = load i64, ptr %t224
+  %t247 = add i64 %t246, 1
+  call void @finch_arr_reserve(ptr %t223, i64 %t247, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t248 = load ptr, ptr %t223
+  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i64 %t246
+  store { ptr, i64, i64 } %t245, ptr %t249
+  store i64 %t247, ptr %t224
+  %t250 = load %S.json.Json, ptr %a204
+  %t251 = load { ptr, i64, i64 }, ptr %a2
+  %t252 = load { ptr, i64, i64 }, ptr %a6
+  %t253 = load ptr, ptr %a4
+  call void @finch.json.write(%S.json.Json %t250, { ptr, i64, i64 } %t251, { ptr, i64, i64 } %t252, ptr %t253)
+  br label %each.step10992
+each.step10992:
+  %t254 = load i64, ptr %a195
+  %t255 = add i64 %t254, 1
+  store i64 %t255, ptr %a195
+  br label %each.cond10990
+each.end10993:
+  %t256 = load ptr, ptr %a4
+  %t257 = icmp eq ptr %t256, null
+  br i1 %t257, label %panic11003, label %ok11004
+panic11003:
+  call void @finch_panic(ptr @.str.7086, i64 238, ptr @.str.7087)
   unreachable
-ok10470:
-  %t249 = getelementptr inbounds %S.json.Writer, ptr %t247, i32 0, i32 0
-  %t250 = getelementptr inbounds { ptr, i64, i64 }, ptr %t249, i32 0, i32 1
-  %t251 = load { ptr, i64, i64 }, ptr %a5
-  %t252 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t251, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.6873, i64 1, i64 0 }, ptr %a259
-  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
-  %t260 = load { ptr, i64, i64 }, ptr %a257
-  %t261 = load i64, ptr %t250
-  %t262 = add i64 %t261, 1
-  call void @finch_arr_reserve(ptr %t249, i64 %t262, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t263 = load ptr, ptr %t249
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i64 %t261
-  store { ptr, i64, i64 } %t260, ptr %t264
-  store i64 %t262, ptr %t250
-  br label %match.end10403
-match.next10448:
-  br i1 true, label %panic10471, label %ok10472
-panic10471:
-  call void @finch_panic(ptr @.str.6874, i64 199, ptr @.str.6875)
+ok11004:
+  %t258 = getelementptr inbounds %S.json.Writer, ptr %t256, i32 0, i32 0
+  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %t258, i32 0, i32 1
+  %t260 = load { ptr, i64, i64 }, ptr %a5
+  %t261 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t260, ptr %a263
+  store { ptr, i64, i64 } %t261, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a262
+  store { ptr, i64, i64 } %t265, ptr %a267
+  store { ptr, i64, i64 } { ptr @.str.7088, i64 1, i64 0 }, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t265, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  %t271 = load i64, ptr %t259
+  %t272 = add i64 %t271, 1
+  call void @finch_arr_reserve(ptr %t258, i64 %t272, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t273 = load ptr, ptr %t258
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 %t271
+  store { ptr, i64, i64 } %t270, ptr %t274
+  store i64 %t272, ptr %t259
+  br label %match.end10937
+match.next10982:
+  br i1 true, label %panic11005, label %ok11006
+panic11005:
+  call void @finch_panic(ptr @.str.7089, i64 199, ptr @.str.7090)
   unreachable
-ok10472:
+ok11006:
   unreachable
-match.end10403:
+match.end10937:
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a7)
+  call void @finch_str_drop(ptr %a6)
+  call void @finch_str_drop(ptr %a5)
+  ret void
+}
+
+define internal void @finch.drop.S_json_Writer(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.json.Writer, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
   ret void
 }
 
@@ -92589,12 +110597,13 @@ entry:
   store %S.json.Json %p0, ptr %a1
   store %S.json.Writer zeroinitializer, ptr %a2
   %t3 = load %S.json.Json, ptr %a1
-  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.6876, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6877, i64 0, i64 0 }, ptr %a2)
+  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.7091, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.7092, i64 0, i64 0 }, ptr %a2)
   %t4 = getelementptr inbounds %S.json.Writer, ptr %a2, i32 0, i32 0
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6878, i64 0, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.7093, i64 0, i64 0 }, ptr %a6
   call void @finch_str_join(ptr %a7, ptr %t4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
+  call void @finch.drop.S_json_Writer(ptr %a2)
   ret { ptr, i64, i64 } %t8
 }
 
@@ -92607,12 +110616,13 @@ entry:
   store %S.json.Json %p0, ptr %a1
   store %S.json.Writer zeroinitializer, ptr %a2
   %t3 = load %S.json.Json, ptr %a1
-  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.6879, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.6880, i64 0, i64 0 }, ptr %a2)
+  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.7094, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.7095, i64 0, i64 0 }, ptr %a2)
   %t4 = getelementptr inbounds %S.json.Writer, ptr %a2, i32 0, i32 0
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6881, i64 0, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.7096, i64 0, i64 0 }, ptr %a6
   call void @finch_str_join(ptr %a7, ptr %t4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
+  call void @finch.drop.S_json_Writer(ptr %a2)
   ret { ptr, i64, i64 } %t8
 }
 
@@ -92626,113 +110636,125 @@ entry:
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 1, ptr %a2
   store i64 1, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic10473, label %ok10474
-panic10473:
-  call void @finch_panic(ptr @.str.6882, i64 268, ptr @.str.6883)
+  br i1 %t5, label %panic11007, label %ok11008
+panic11007:
+  call void @finch_panic(ptr @.str.7097, i64 268, ptr @.str.7098)
   unreachable
-ok10474:
+ok11008:
   %t6 = getelementptr inbounds %S.json.Reader, ptr %t4, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond10475
-for.cond10475:
+  br label %for.cond11009
+for.cond11009:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body10476, label %for.end10478
-for.body10476:
+  br i1 %t10, label %for.body11010, label %for.end11012
+for.body11010:
   %t11 = load i64, ptr %a8
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic10479, label %ok10480
-panic10479:
-  call void @finch_panic(ptr @.str.6884, i64 269, ptr @.str.6885)
+  br i1 %t13, label %panic11013, label %ok11014
+panic11013:
+  call void @finch_panic(ptr @.str.7099, i64 269, ptr @.str.7100)
   unreachable
-ok10480:
+ok11014:
   %t14 = getelementptr inbounds %S.json.Reader, ptr %t12, i32 0, i32 0
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp slt i64 %t11, %t16
-  br label %logic.from10481
-logic.from10481:
-  br i1 %t17, label %logic.rhs10482, label %logic.end10483
-logic.rhs10482:
+  br label %logic.from11015
+logic.from11015:
+  br i1 %t17, label %logic.rhs11016, label %logic.end11017
+logic.rhs11016:
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic10484, label %ok10485
-panic10484:
-  call void @finch_panic(ptr @.str.6886, i64 269, ptr @.str.6887)
+  br i1 %t19, label %panic11018, label %ok11019
+panic11018:
+  call void @finch_panic(ptr @.str.7101, i64 269, ptr @.str.7102)
   unreachable
-ok10485:
+ok11019:
   %t20 = getelementptr inbounds %S.json.Reader, ptr %t18, i32 0, i32 0
   %t21 = load i64, ptr %a8
   %t22 = load { ptr, i64, i64 }, ptr %t20
   %t23 = extractvalue { ptr, i64, i64 } %t22, 1
   %t24 = icmp uge i64 %t21, %t23
-  br i1 %t24, label %range10486, label %inrange10487
-range10486:
-  call void @finch_panic_index(ptr @.str.6888, i64 269, i64 %t21, i64 %t23)
+  br i1 %t24, label %range11020, label %inrange11021
+range11020:
+  call void @finch_panic_index(ptr @.str.7103, i64 269, i64 %t21, i64 %t23)
   unreachable
-inrange10487:
+inrange11021:
   %t25 = extractvalue { ptr, i64, i64 } %t22, 0
   %t26 = getelementptr inbounds i8, ptr %t25, i64 %t21
   %t27 = load i8, ptr %t26
   %t28 = icmp eq i8 %t27, 10
-  br label %logic.rend10488
-logic.rend10488:
-  br label %logic.end10483
-logic.end10483:
-  %t29 = phi i1 [ false, %logic.from10481 ], [ %t28, %logic.rend10488 ]
-  br i1 %t29, label %then10489, label %else10490
-then10489:
+  br label %logic.rend11022
+logic.rend11022:
+  br label %logic.end11017
+logic.end11017:
+  %t29 = phi i1 [ false, %logic.from11015 ], [ %t28, %logic.rend11022 ]
+  br i1 %t29, label %then11023, label %else11024
+then11023:
   %t30 = load i64, ptr %a2
   %t31 = add i64 %t30, 1
   store i64 %t31, ptr %a2
   store i64 1, ptr %a3
-  br label %endif10491
-else10490:
+  br label %endif11025
+else11024:
   %t32 = load i64, ptr %a3
   %t33 = add i64 %t32, 1
   store i64 %t33, ptr %a3
-  br label %endif10491
-endif10491:
-  br label %for.step10477
-for.step10477:
+  br label %endif11025
+endif11025:
+  br label %for.step11011
+for.step11011:
   %t34 = load i64, ptr %a8
   %t35 = add i64 %t34, 1
   store i64 %t35, ptr %a8
-  br label %for.cond10475
-for.end10478:
+  br label %for.cond11009
+for.end11012:
   %t36 = load i64, ptr %a2
   call void @finch_str_from_int(ptr %a37, i64 %t36)
   %t38 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.6889, i64 5, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.7104, i64 5, i64 0 }, ptr %a40
   store { ptr, i64, i64 } %t38, ptr %a41
   call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.6890, i64 9, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  %t47 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a48, i64 %t47)
-  %t49 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t46, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  ret { ptr, i64, i64 } %t53
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t43, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.7105, i64 9, i64 0 }, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  store { ptr, i64, i64 } %t43, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a44
+  %t49 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a50, i64 %t49)
+  %t51 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a53
+  store { ptr, i64, i64 } %t51, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t48, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  store { ptr, i64, i64 } %t51, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  %t57 = load { ptr, i64, i64 }, ptr %a52
+  ret { ptr, i64, i64 } %t57
 }
 
 define internal i8 @finch.json.peek(ptr %p0) {
@@ -92741,56 +110763,56 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10492, label %ok10493
-panic10492:
-  call void @finch_panic(ptr @.str.6891, i64 280, ptr @.str.6892)
+  br i1 %t3, label %panic11026, label %ok11027
+panic11026:
+  call void @finch_panic(ptr @.str.7106, i64 280, ptr @.str.7107)
   unreachable
-ok10493:
+ok11027:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10494, label %ok10495
-panic10494:
-  call void @finch_panic(ptr @.str.6893, i64 280, ptr @.str.6894)
+  br i1 %t7, label %panic11028, label %ok11029
+panic11028:
+  call void @finch_panic(ptr @.str.7108, i64 280, ptr @.str.7109)
   unreachable
-ok10495:
+ok11029:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 0
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp slt i64 %t5, %t10
-  br i1 %t11, label %then10496, label %endif10498
-then10496:
+  br i1 %t11, label %then11030, label %endif11032
+then11030:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic10499, label %ok10500
-panic10499:
-  call void @finch_panic(ptr @.str.6895, i64 281, ptr @.str.6896)
+  br i1 %t13, label %panic11033, label %ok11034
+panic11033:
+  call void @finch_panic(ptr @.str.7110, i64 281, ptr @.str.7111)
   unreachable
-ok10500:
+ok11034:
   %t14 = getelementptr inbounds %S.json.Reader, ptr %t12, i32 0, i32 0
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic10501, label %ok10502
-panic10501:
-  call void @finch_panic(ptr @.str.6897, i64 281, ptr @.str.6898)
+  br i1 %t16, label %panic11035, label %ok11036
+panic11035:
+  call void @finch_panic(ptr @.str.7112, i64 281, ptr @.str.7113)
   unreachable
-ok10502:
+ok11036:
   %t17 = getelementptr inbounds %S.json.Reader, ptr %t15, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = load { ptr, i64, i64 }, ptr %t14
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range10503, label %inrange10504
-range10503:
-  call void @finch_panic_index(ptr @.str.6899, i64 281, i64 %t18, i64 %t20)
+  br i1 %t21, label %range11037, label %inrange11038
+range11037:
+  call void @finch_panic_index(ptr @.str.7114, i64 281, i64 %t18, i64 %t20)
   unreachable
-inrange10504:
+inrange11038:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds i8, ptr %t22, i64 %t18
   %t24 = load i8, ptr %t23
   ret i8 %t24
-endif10498:
+endif11032:
   %t25 = trunc i64 0 to i8
   ret i8 %t25
 }
@@ -92799,195 +110821,195 @@ define internal void @finch.json.skip_space(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   store ptr %p0, ptr %a1
-  br label %while.cond10505
-while.cond10505:
+  br label %while.cond11039
+while.cond11039:
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10508, label %ok10509
-panic10508:
-  call void @finch_panic(ptr @.str.6900, i64 287, ptr @.str.6901)
+  br i1 %t3, label %panic11042, label %ok11043
+panic11042:
+  call void @finch_panic(ptr @.str.7115, i64 287, ptr @.str.7116)
   unreachable
-ok10509:
+ok11043:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10510, label %ok10511
-panic10510:
-  call void @finch_panic(ptr @.str.6902, i64 287, ptr @.str.6903)
+  br i1 %t7, label %panic11044, label %ok11045
+panic11044:
+  call void @finch_panic(ptr @.str.7117, i64 287, ptr @.str.7118)
   unreachable
-ok10511:
+ok11045:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 0
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp slt i64 %t5, %t10
-  br label %logic.from10512
-logic.from10512:
-  br i1 %t11, label %logic.rhs10513, label %logic.end10514
-logic.rhs10513:
+  br label %logic.from11046
+logic.from11046:
+  br i1 %t11, label %logic.rhs11047, label %logic.end11048
+logic.rhs11047:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic10515, label %ok10516
-panic10515:
-  call void @finch_panic(ptr @.str.6904, i64 287, ptr @.str.6905)
+  br i1 %t13, label %panic11049, label %ok11050
+panic11049:
+  call void @finch_panic(ptr @.str.7119, i64 287, ptr @.str.7120)
   unreachable
-ok10516:
+ok11050:
   %t14 = getelementptr inbounds %S.json.Reader, ptr %t12, i32 0, i32 0
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic10517, label %ok10518
-panic10517:
-  call void @finch_panic(ptr @.str.6906, i64 287, ptr @.str.6907)
+  br i1 %t16, label %panic11051, label %ok11052
+panic11051:
+  call void @finch_panic(ptr @.str.7121, i64 287, ptr @.str.7122)
   unreachable
-ok10518:
+ok11052:
   %t17 = getelementptr inbounds %S.json.Reader, ptr %t15, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = load { ptr, i64, i64 }, ptr %t14
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range10519, label %inrange10520
-range10519:
-  call void @finch_panic_index(ptr @.str.6908, i64 287, i64 %t18, i64 %t20)
+  br i1 %t21, label %range11053, label %inrange11054
+range11053:
+  call void @finch_panic_index(ptr @.str.7123, i64 287, i64 %t18, i64 %t20)
   unreachable
-inrange10520:
+inrange11054:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds i8, ptr %t22, i64 %t18
   %t24 = load i8, ptr %t23
   %t25 = icmp eq i8 %t24, 32
-  br label %logic.from10521
-logic.from10521:
-  br i1 %t25, label %logic.end10523, label %logic.rhs10522
-logic.rhs10522:
+  br label %logic.from11055
+logic.from11055:
+  br i1 %t25, label %logic.end11057, label %logic.rhs11056
+logic.rhs11056:
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic10524, label %ok10525
-panic10524:
-  call void @finch_panic(ptr @.str.6909, i64 287, ptr @.str.6910)
+  br i1 %t27, label %panic11058, label %ok11059
+panic11058:
+  call void @finch_panic(ptr @.str.7124, i64 287, ptr @.str.7125)
   unreachable
-ok10525:
+ok11059:
   %t28 = getelementptr inbounds %S.json.Reader, ptr %t26, i32 0, i32 0
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic10526, label %ok10527
-panic10526:
-  call void @finch_panic(ptr @.str.6911, i64 287, ptr @.str.6912)
+  br i1 %t30, label %panic11060, label %ok11061
+panic11060:
+  call void @finch_panic(ptr @.str.7126, i64 287, ptr @.str.7127)
   unreachable
-ok10527:
+ok11061:
   %t31 = getelementptr inbounds %S.json.Reader, ptr %t29, i32 0, i32 1
   %t32 = load i64, ptr %t31
   %t33 = load { ptr, i64, i64 }, ptr %t28
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range10528, label %inrange10529
-range10528:
-  call void @finch_panic_index(ptr @.str.6913, i64 287, i64 %t32, i64 %t34)
+  br i1 %t35, label %range11062, label %inrange11063
+range11062:
+  call void @finch_panic_index(ptr @.str.7128, i64 287, i64 %t32, i64 %t34)
   unreachable
-inrange10529:
+inrange11063:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds i8, ptr %t36, i64 %t32
   %t38 = load i8, ptr %t37
   %t39 = icmp eq i8 %t38, 10
-  br label %logic.rend10530
-logic.rend10530:
-  br label %logic.end10523
-logic.end10523:
-  %t40 = phi i1 [ true, %logic.from10521 ], [ %t39, %logic.rend10530 ]
-  br label %logic.from10531
-logic.from10531:
-  br i1 %t40, label %logic.end10533, label %logic.rhs10532
-logic.rhs10532:
+  br label %logic.rend11064
+logic.rend11064:
+  br label %logic.end11057
+logic.end11057:
+  %t40 = phi i1 [ true, %logic.from11055 ], [ %t39, %logic.rend11064 ]
+  br label %logic.from11065
+logic.from11065:
+  br i1 %t40, label %logic.end11067, label %logic.rhs11066
+logic.rhs11066:
   %t41 = load ptr, ptr %a1
   %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic10534, label %ok10535
-panic10534:
-  call void @finch_panic(ptr @.str.6914, i64 287, ptr @.str.6915)
+  br i1 %t42, label %panic11068, label %ok11069
+panic11068:
+  call void @finch_panic(ptr @.str.7129, i64 287, ptr @.str.7130)
   unreachable
-ok10535:
+ok11069:
   %t43 = getelementptr inbounds %S.json.Reader, ptr %t41, i32 0, i32 0
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic10536, label %ok10537
-panic10536:
-  call void @finch_panic(ptr @.str.6916, i64 287, ptr @.str.6917)
+  br i1 %t45, label %panic11070, label %ok11071
+panic11070:
+  call void @finch_panic(ptr @.str.7131, i64 287, ptr @.str.7132)
   unreachable
-ok10537:
+ok11071:
   %t46 = getelementptr inbounds %S.json.Reader, ptr %t44, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = load { ptr, i64, i64 }, ptr %t43
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range10538, label %inrange10539
-range10538:
-  call void @finch_panic_index(ptr @.str.6918, i64 287, i64 %t47, i64 %t49)
+  br i1 %t50, label %range11072, label %inrange11073
+range11072:
+  call void @finch_panic_index(ptr @.str.7133, i64 287, i64 %t47, i64 %t49)
   unreachable
-inrange10539:
+inrange11073:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds i8, ptr %t51, i64 %t47
   %t53 = load i8, ptr %t52
   %t54 = icmp eq i8 %t53, 9
-  br label %logic.rend10540
-logic.rend10540:
-  br label %logic.end10533
-logic.end10533:
-  %t55 = phi i1 [ true, %logic.from10531 ], [ %t54, %logic.rend10540 ]
-  br label %logic.from10541
-logic.from10541:
-  br i1 %t55, label %logic.end10543, label %logic.rhs10542
-logic.rhs10542:
+  br label %logic.rend11074
+logic.rend11074:
+  br label %logic.end11067
+logic.end11067:
+  %t55 = phi i1 [ true, %logic.from11065 ], [ %t54, %logic.rend11074 ]
+  br label %logic.from11075
+logic.from11075:
+  br i1 %t55, label %logic.end11077, label %logic.rhs11076
+logic.rhs11076:
   %t56 = load ptr, ptr %a1
   %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic10544, label %ok10545
-panic10544:
-  call void @finch_panic(ptr @.str.6919, i64 287, ptr @.str.6920)
+  br i1 %t57, label %panic11078, label %ok11079
+panic11078:
+  call void @finch_panic(ptr @.str.7134, i64 287, ptr @.str.7135)
   unreachable
-ok10545:
+ok11079:
   %t58 = getelementptr inbounds %S.json.Reader, ptr %t56, i32 0, i32 0
   %t59 = load ptr, ptr %a1
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic10546, label %ok10547
-panic10546:
-  call void @finch_panic(ptr @.str.6921, i64 287, ptr @.str.6922)
+  br i1 %t60, label %panic11080, label %ok11081
+panic11080:
+  call void @finch_panic(ptr @.str.7136, i64 287, ptr @.str.7137)
   unreachable
-ok10547:
+ok11081:
   %t61 = getelementptr inbounds %S.json.Reader, ptr %t59, i32 0, i32 1
   %t62 = load i64, ptr %t61
   %t63 = load { ptr, i64, i64 }, ptr %t58
   %t64 = extractvalue { ptr, i64, i64 } %t63, 1
   %t65 = icmp uge i64 %t62, %t64
-  br i1 %t65, label %range10548, label %inrange10549
-range10548:
-  call void @finch_panic_index(ptr @.str.6923, i64 287, i64 %t62, i64 %t64)
+  br i1 %t65, label %range11082, label %inrange11083
+range11082:
+  call void @finch_panic_index(ptr @.str.7138, i64 287, i64 %t62, i64 %t64)
   unreachable
-inrange10549:
+inrange11083:
   %t66 = extractvalue { ptr, i64, i64 } %t63, 0
   %t67 = getelementptr inbounds i8, ptr %t66, i64 %t62
   %t68 = load i8, ptr %t67
   %t69 = icmp eq i8 %t68, 13
-  br label %logic.rend10550
-logic.rend10550:
-  br label %logic.end10543
-logic.end10543:
-  %t70 = phi i1 [ true, %logic.from10541 ], [ %t69, %logic.rend10550 ]
-  br label %logic.rend10551
-logic.rend10551:
-  br label %logic.end10514
-logic.end10514:
-  %t71 = phi i1 [ false, %logic.from10512 ], [ %t70, %logic.rend10551 ]
-  br i1 %t71, label %while.body10506, label %while.end10507
-while.body10506:
+  br label %logic.rend11084
+logic.rend11084:
+  br label %logic.end11077
+logic.end11077:
+  %t70 = phi i1 [ true, %logic.from11075 ], [ %t69, %logic.rend11084 ]
+  br label %logic.rend11085
+logic.rend11085:
+  br label %logic.end11048
+logic.end11048:
+  %t71 = phi i1 [ false, %logic.from11046 ], [ %t70, %logic.rend11085 ]
+  br i1 %t71, label %while.body11040, label %while.end11041
+while.body11040:
   %t72 = load ptr, ptr %a1
   %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic10552, label %ok10553
-panic10552:
-  call void @finch_panic(ptr @.str.6924, i64 288, ptr @.str.6925)
+  br i1 %t73, label %panic11086, label %ok11087
+panic11086:
+  call void @finch_panic(ptr @.str.7139, i64 288, ptr @.str.7140)
   unreachable
-ok10553:
+ok11087:
   %t74 = getelementptr inbounds %S.json.Reader, ptr %t72, i32 0, i32 1
   %t75 = load i64, ptr %t74
   %t76 = add i64 %t75, 1
   store i64 %t76, ptr %t74
-  br label %while.cond10505
-while.end10507:
+  br label %while.cond11039
+while.end11041:
   ret void
 }
 
@@ -93001,134 +111023,167 @@ entry:
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic10554, label %ok10555
-panic10554:
-  call void @finch_panic(ptr @.str.6926, i64 293, ptr @.str.6927)
+  br i1 %t4, label %panic11088, label %ok11089
+panic11088:
+  call void @finch_panic(ptr @.str.7141, i64 293, ptr @.str.7142)
   unreachable
-ok10555:
+ok11089:
   %t5 = getelementptr inbounds %S.json.Reader, ptr %t3, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic10556, label %ok10557
-panic10556:
-  call void @finch_panic(ptr @.str.6928, i64 293, ptr @.str.6929)
+  br i1 %t8, label %panic11090, label %ok11091
+panic11090:
+  call void @finch_panic(ptr @.str.7143, i64 293, ptr @.str.7144)
   unreachable
-ok10557:
+ok11091:
   %t9 = getelementptr inbounds %S.json.Reader, ptr %t7, i32 0, i32 0
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = icmp sge i64 %t6, %t11
-  br i1 %t12, label %then10558, label %endif10560
-then10558:
+  br i1 %t12, label %then11092, label %endif11094
+then11092:
   %t13 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.6930, i64 26, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.7145, i64 26, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
   %t17 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t17, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.6931, i64 12, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.7146, i64 12, i64 0 }, ptr %a20
   call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  %t22 = load ptr, ptr %a1
-  %t23 = call { ptr, i64, i64 } @finch.json.where(ptr %t22)
-  store { ptr, i64, i64 } %t21, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t27, ptr %a29
-  store { ptr, i64, i64 } { ptr @.str.6932, i64 1, i64 0 }, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  ret { ptr, i64, i64 } %t31
-endif10560:
-  %t32 = load ptr, ptr %a1
-  %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic10561, label %ok10562
-panic10561:
-  call void @finch_panic(ptr @.str.6934, i64 296, ptr @.str.6935)
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  %t23 = load ptr, ptr %a1
+  %t24 = call { ptr, i64, i64 } @finch.json.where(ptr %t23)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t22, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  store { ptr, i64, i64 } %t24, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.7147, i64 1, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  ret { ptr, i64, i64 } %t35
+endif11094:
+  %t36 = load ptr, ptr %a1
+  %t37 = icmp eq ptr %t36, null
+  br i1 %t37, label %panic11095, label %ok11096
+panic11095:
+  call void @finch_panic(ptr @.str.7149, i64 296, ptr @.str.7150)
   unreachable
-ok10562:
-  %t34 = getelementptr inbounds %S.json.Reader, ptr %t32, i32 0, i32 0
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic10563, label %ok10564
-panic10563:
-  call void @finch_panic(ptr @.str.6936, i64 296, ptr @.str.6937)
+ok11096:
+  %t38 = getelementptr inbounds %S.json.Reader, ptr %t36, i32 0, i32 0
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic11097, label %ok11098
+panic11097:
+  call void @finch_panic(ptr @.str.7151, i64 296, ptr @.str.7152)
   unreachable
-ok10564:
-  %t37 = getelementptr inbounds %S.json.Reader, ptr %t35, i32 0, i32 1
-  %t38 = load i64, ptr %t37
-  %t39 = load { ptr, i64, i64 }, ptr %t34
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range10565, label %inrange10566
-range10565:
-  call void @finch_panic_index(ptr @.str.6938, i64 296, i64 %t38, i64 %t40)
+ok11098:
+  %t41 = getelementptr inbounds %S.json.Reader, ptr %t39, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = load { ptr, i64, i64 }, ptr %t38
+  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
+  %t45 = icmp uge i64 %t42, %t44
+  br i1 %t45, label %range11099, label %inrange11100
+range11099:
+  call void @finch_panic_index(ptr @.str.7153, i64 296, i64 %t42, i64 %t44)
   unreachable
-inrange10566:
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = getelementptr inbounds i8, ptr %t42, i64 %t38
-  %t44 = load i8, ptr %t43
-  call void @finch_str_from_char(ptr %a45, i8 signext %t44)
-  %t46 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.6933, i64 13, i64 0 }, ptr %a48
-  store { ptr, i64, i64 } %t46, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t50, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.6939, i64 8, i64 0 }, ptr %a53
+inrange11100:
+  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
+  %t47 = getelementptr inbounds i8, ptr %t46, i64 %t42
+  %t48 = load i8, ptr %t47
+  call void @finch_str_from_char(ptr %a49, i8 signext %t48)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.7148, i64 13, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
   call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
-  %t54 = load { ptr, i64, i64 }, ptr %a51
-  %t55 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t54, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.7154, i64 8, i64 0 }, ptr %a58
   call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.6940, i64 12, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = load ptr, ptr %a1
-  %t65 = call { ptr, i64, i64 } @finch.json.where(ptr %t64)
-  store { ptr, i64, i64 } %t63, ptr %a67
-  store { ptr, i64, i64 } %t65, ptr %a68
-  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t69, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.6941, i64 1, i64 0 }, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  ret { ptr, i64, i64 } %t73
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t60, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.7155, i64 12, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load ptr, ptr %a1
+  %t73 = call { ptr, i64, i64 } @finch.json.where(ptr %t72)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  store { ptr, i64, i64 } %t73, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t71, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  store { ptr, i64, i64 } %t73, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.7156, i64 1, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  ret { ptr, i64, i64 } %t84
 }
 
 define internal i1 @finch.json.comes(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -93139,79 +111194,82 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic10567, label %ok10568
-panic10567:
-  call void @finch_panic(ptr @.str.6942, i64 301, ptr @.str.6943)
+  br i1 %t4, label %panic11101, label %ok11102
+panic11101:
+  call void @finch_panic(ptr @.str.7157, i64 301, ptr @.str.7158)
   unreachable
-ok10568:
+ok11102:
   %t5 = getelementptr inbounds %S.json.Reader, ptr %t3, i32 0, i32 0
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic10569, label %ok10570
-panic10569:
-  call void @finch_panic(ptr @.str.6944, i64 301, ptr @.str.6945)
+  br i1 %t9, label %panic11103, label %ok11104
+panic11103:
+  call void @finch_panic(ptr @.str.7159, i64 301, ptr @.str.7160)
   unreachable
-ok10570:
+ok11104:
   %t10 = getelementptr inbounds %S.json.Reader, ptr %t8, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = sub i64 %t7, %t11
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sge i64 %t12, %t14
-  br label %logic.from10571
-logic.from10571:
-  br i1 %t15, label %logic.rhs10572, label %logic.end10573
-logic.rhs10572:
+  br label %logic.from11105
+logic.from11105:
+  br i1 %t15, label %logic.rhs11106, label %logic.end11107
+logic.rhs11106:
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic10574, label %ok10575
-panic10574:
-  call void @finch_panic(ptr @.str.6946, i64 301, ptr @.str.6947)
+  br i1 %t17, label %panic11108, label %ok11109
+panic11108:
+  call void @finch_panic(ptr @.str.7161, i64 301, ptr @.str.7162)
   unreachable
-ok10575:
+ok11109:
   %t18 = getelementptr inbounds %S.json.Reader, ptr %t16, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
   %t22 = load ptr, ptr %a1
   %t23 = icmp eq ptr %t22, null
-  br i1 %t23, label %panic10576, label %ok10577
-panic10576:
-  call void @finch_panic(ptr @.str.6949, i64 301, ptr @.str.6950)
+  br i1 %t23, label %panic11110, label %ok11111
+panic11110:
+  call void @finch_panic(ptr @.str.7164, i64 301, ptr @.str.7165)
   unreachable
-ok10577:
+ok11111:
   %t24 = getelementptr inbounds %S.json.Reader, ptr %t22, i32 0, i32 1
   %t25 = load i64, ptr %t24
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic10578, label %ok10579
-panic10578:
-  call void @finch_panic(ptr @.str.6951, i64 301, ptr @.str.6952)
+  br i1 %t27, label %panic11112, label %ok11113
+panic11112:
+  call void @finch_panic(ptr @.str.7166, i64 301, ptr @.str.7167)
   unreachable
-ok10579:
+ok11113:
   %t28 = getelementptr inbounds %S.json.Reader, ptr %t26, i32 0, i32 1
   %t29 = load i64, ptr %t28
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = add i64 %t29, %t31
-  call void @finch_str_sub(ptr %a21, ptr %a20, i64 %t25, i64 %t32, ptr @.str.6948, i64 301)
+  call void @finch_str_sub(ptr %a21, ptr %a20, i64 %t25, i64 %t32, ptr @.str.7163, i64 301)
   %t33 = load { ptr, i64, i64 }, ptr %a21
   %t34 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t33, ptr %a35
   store { ptr, i64, i64 } %t34, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.rend10580
-logic.rend10580:
-  br label %logic.end10573
-logic.end10573:
-  %t39 = phi i1 [ false, %logic.from10571 ], [ %t38, %logic.rend10580 ]
-  ret i1 %t39
+  store { ptr, i64, i64 } %t33, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  br label %logic.rend11114
+logic.rend11114:
+  br label %logic.end11107
+logic.end11107:
+  %t40 = phi i1 [ false, %logic.from11105 ], [ %t38, %logic.rend11114 ]
+  ret i1 %t40
 }
 
 define internal { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -93224,41 +111282,47 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = call i1 @finch.json.comes(ptr %t3, { ptr, i64, i64 } %t4)
   %t6 = xor i1 %t5, true
-  br i1 %t6, label %then10581, label %endif10583
-then10581:
+  br i1 %t6, label %then11115, label %endif11117
+then11115:
   %t7 = load ptr, ptr %a1
   %t8 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.6953, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.7168, i64 1, i64 0 }, ptr %a10
   store { ptr, i64, i64 } %t8, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t12, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.6954, i64 1, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.7169, i64 1, i64 0 }, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  %t17 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t7, { ptr, i64, i64 } %t16)
-  %t18 = insertvalue { i1, i8, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t17, 2
-  ret { i1, i8, { ptr, i64, i64 } } %t18
-endif10583:
-  %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t20 = load i64, ptr %t19
-  %t21 = load ptr, ptr %a1
-  %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic10584, label %ok10585
-panic10584:
-  call void @finch_panic(ptr @.str.6955, i64 308, ptr @.str.6956)
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  %t18 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t7, { ptr, i64, i64 } %t17)
+  store { ptr, i64, i64 } %t17, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = insertvalue { i1, i8, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t18, 2
+  ret { i1, i8, { ptr, i64, i64 } } %t20
+endif11117:
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t22 = load i64, ptr %t21
+  %t23 = load ptr, ptr %a1
+  %t24 = icmp eq ptr %t23, null
+  br i1 %t24, label %panic11118, label %ok11119
+panic11118:
+  call void @finch_panic(ptr @.str.7170, i64 308, ptr @.str.7171)
   unreachable
-ok10585:
-  %t23 = getelementptr inbounds %S.json.Reader, ptr %t21, i32 0, i32 1
-  %t24 = load i64, ptr %t23
-  %t25 = add i64 %t24, %t20
-  store i64 %t25, ptr %t23
+ok11119:
+  %t25 = getelementptr inbounds %S.json.Reader, ptr %t23, i32 0, i32 1
+  %t26 = load i64, ptr %t25
+  %t27 = add i64 %t26, %t22
+  store i64 %t27, ptr %t25
   ret { i1, i8, { ptr, i64, i64 } } { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }
 }
 
@@ -93268,69 +111332,69 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 48
-  br label %logic.from10586
-logic.from10586:
-  br i1 %t3, label %logic.rhs10587, label %logic.end10588
-logic.rhs10587:
+  br label %logic.from11120
+logic.from11120:
+  br i1 %t3, label %logic.rhs11121, label %logic.end11122
+logic.rhs11121:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 57
-  br label %logic.rend10589
-logic.rend10589:
-  br label %logic.end10588
-logic.end10588:
-  %t6 = phi i1 [ false, %logic.from10586 ], [ %t5, %logic.rend10589 ]
-  br i1 %t6, label %then10590, label %endif10592
-then10590:
+  br label %logic.rend11123
+logic.rend11123:
+  br label %logic.end11122
+logic.end11122:
+  %t6 = phi i1 [ false, %logic.from11120 ], [ %t5, %logic.rend11123 ]
+  br i1 %t6, label %then11124, label %endif11126
+then11124:
   %t7 = load i8, ptr %a1
   %t8 = zext i8 %t7 to i64
   %t9 = zext i8 48 to i64
   %t10 = sub i64 %t8, %t9
   ret i64 %t10
-endif10592:
+endif11126:
   %t11 = load i8, ptr %a1
   %t12 = icmp uge i8 %t11, 97
-  br label %logic.from10593
-logic.from10593:
-  br i1 %t12, label %logic.rhs10594, label %logic.end10595
-logic.rhs10594:
+  br label %logic.from11127
+logic.from11127:
+  br i1 %t12, label %logic.rhs11128, label %logic.end11129
+logic.rhs11128:
   %t13 = load i8, ptr %a1
   %t14 = icmp ule i8 %t13, 102
-  br label %logic.rend10596
-logic.rend10596:
-  br label %logic.end10595
-logic.end10595:
-  %t15 = phi i1 [ false, %logic.from10593 ], [ %t14, %logic.rend10596 ]
-  br i1 %t15, label %then10597, label %endif10599
-then10597:
+  br label %logic.rend11130
+logic.rend11130:
+  br label %logic.end11129
+logic.end11129:
+  %t15 = phi i1 [ false, %logic.from11127 ], [ %t14, %logic.rend11130 ]
+  br i1 %t15, label %then11131, label %endif11133
+then11131:
   %t16 = load i8, ptr %a1
   %t17 = zext i8 %t16 to i64
   %t18 = zext i8 97 to i64
   %t19 = sub i64 %t17, %t18
   %t20 = add i64 %t19, 10
   ret i64 %t20
-endif10599:
+endif11133:
   %t21 = load i8, ptr %a1
   %t22 = icmp uge i8 %t21, 65
-  br label %logic.from10600
-logic.from10600:
-  br i1 %t22, label %logic.rhs10601, label %logic.end10602
-logic.rhs10601:
+  br label %logic.from11134
+logic.from11134:
+  br i1 %t22, label %logic.rhs11135, label %logic.end11136
+logic.rhs11135:
   %t23 = load i8, ptr %a1
   %t24 = icmp ule i8 %t23, 70
-  br label %logic.rend10603
-logic.rend10603:
-  br label %logic.end10602
-logic.end10602:
-  %t25 = phi i1 [ false, %logic.from10600 ], [ %t24, %logic.rend10603 ]
-  br i1 %t25, label %then10604, label %endif10606
-then10604:
+  br label %logic.rend11137
+logic.rend11137:
+  br label %logic.end11136
+logic.end11136:
+  %t25 = phi i1 [ false, %logic.from11134 ], [ %t24, %logic.rend11137 ]
+  br i1 %t25, label %then11138, label %endif11140
+then11138:
   %t26 = load i8, ptr %a1
   %t27 = zext i8 %t26 to i64
   %t28 = zext i8 65 to i64
   %t29 = sub i64 %t27, %t28
   %t30 = add i64 %t29, 10
   ret i64 %t30
-endif10606:
+endif11140:
   ret i64 -1
 }
 
@@ -93344,8 +111408,8 @@ entry:
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = icmp slt i64 %t3, 128
-  br i1 %t4, label %then10607, label %else10608
-then10607:
+  br i1 %t4, label %then11141, label %else11142
+then11141:
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t6 = load i64, ptr %a1
   %t7 = trunc i64 %t6 to i8
@@ -93356,12 +111420,12 @@ then10607:
   %t11 = getelementptr inbounds i8, ptr %t10, i64 %t8
   store i8 %t7, ptr %t11
   store i64 %t9, ptr %t5
-  br label %endif10609
-else10608:
+  br label %endif11143
+else11142:
   %t12 = load i64, ptr %a1
   %t13 = icmp slt i64 %t12, 2048
-  br i1 %t13, label %then10610, label %else10611
-then10610:
+  br i1 %t13, label %then11144, label %else11145
+then11144:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t15 = load i64, ptr %a1
   %t16 = sdiv i64 %t15, 64
@@ -93386,12 +111450,12 @@ then10610:
   %t31 = getelementptr inbounds i8, ptr %t30, i64 %t28
   store i8 %t27, ptr %t31
   store i64 %t29, ptr %t23
-  br label %endif10612
-else10611:
+  br label %endif11146
+else11145:
   %t32 = load i64, ptr %a1
   %t33 = icmp slt i64 %t32, 65536
-  br i1 %t33, label %then10613, label %else10614
-then10613:
+  br i1 %t33, label %then11147, label %else11148
+then11147:
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t35 = load i64, ptr %a1
   %t36 = sdiv i64 %t35, 4096
@@ -93429,8 +111493,8 @@ then10613:
   %t61 = getelementptr inbounds i8, ptr %t60, i64 %t58
   store i8 %t57, ptr %t61
   store i64 %t59, ptr %t53
-  br label %endif10615
-else10614:
+  br label %endif11149
+else11148:
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t63 = load i64, ptr %a1
   %t64 = sdiv i64 %t63, 262144
@@ -93481,17 +111545,18 @@ else10614:
   %t99 = getelementptr inbounds i8, ptr %t98, i64 %t96
   store i8 %t95, ptr %t99
   store i64 %t97, ptr %t91
-  br label %endif10615
-endif10615:
-  br label %endif10612
-endif10612:
-  br label %endif10609
-endif10609:
+  br label %endif11149
+endif11149:
+  br label %endif11146
+endif11146:
+  br label %endif11143
+endif11143:
   %t100 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } zeroinitializer, ptr %a101
   store { ptr, i64, i64 } %t100, ptr %a102
   call void @finch_str_from_bytes(ptr %a101, ptr %a102)
   %t103 = load { ptr, i64, i64 }, ptr %a101
+  call void @finch.drop.arr_u8(ptr %a2)
   ret { ptr, i64, i64 } %t103
 }
 
@@ -93503,105 +111568,105 @@ entry:
   store ptr %p0, ptr %a1
   store i64 0, ptr %a2
   store i64 0, ptr %a3
-  br label %for.cond10616
-for.cond10616:
+  br label %for.cond11150
+for.cond11150:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, 4
-  br i1 %t5, label %for.body10617, label %for.end10619
-for.body10617:
+  br i1 %t5, label %for.body11151, label %for.end11153
+for.body11151:
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10620, label %ok10621
-panic10620:
-  call void @finch_panic(ptr @.str.6957, i64 348, ptr @.str.6958)
+  br i1 %t7, label %panic11154, label %ok11155
+panic11154:
+  call void @finch_panic(ptr @.str.7172, i64 348, ptr @.str.7173)
   unreachable
-ok10621:
+ok11155:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic10622, label %ok10623
-panic10622:
-  call void @finch_panic(ptr @.str.6959, i64 348, ptr @.str.6960)
+  br i1 %t11, label %panic11156, label %ok11157
+panic11156:
+  call void @finch_panic(ptr @.str.7174, i64 348, ptr @.str.7175)
   unreachable
-ok10623:
+ok11157:
   %t12 = getelementptr inbounds %S.json.Reader, ptr %t10, i32 0, i32 0
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sge i64 %t9, %t14
-  br label %logic.from10624
-logic.from10624:
-  br i1 %t15, label %logic.end10626, label %logic.rhs10625
-logic.rhs10625:
+  br label %logic.from11158
+logic.from11158:
+  br i1 %t15, label %logic.end11160, label %logic.rhs11159
+logic.rhs11159:
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic10627, label %ok10628
-panic10627:
-  call void @finch_panic(ptr @.str.6961, i64 348, ptr @.str.6962)
+  br i1 %t17, label %panic11161, label %ok11162
+panic11161:
+  call void @finch_panic(ptr @.str.7176, i64 348, ptr @.str.7177)
   unreachable
-ok10628:
+ok11162:
   %t18 = getelementptr inbounds %S.json.Reader, ptr %t16, i32 0, i32 0
   %t19 = load ptr, ptr %a1
   %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic10629, label %ok10630
-panic10629:
-  call void @finch_panic(ptr @.str.6963, i64 348, ptr @.str.6964)
+  br i1 %t20, label %panic11163, label %ok11164
+panic11163:
+  call void @finch_panic(ptr @.str.7178, i64 348, ptr @.str.7179)
   unreachable
-ok10630:
+ok11164:
   %t21 = getelementptr inbounds %S.json.Reader, ptr %t19, i32 0, i32 1
   %t22 = load i64, ptr %t21
   %t23 = load { ptr, i64, i64 }, ptr %t18
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 %t22, %t24
-  br i1 %t25, label %range10631, label %inrange10632
-range10631:
-  call void @finch_panic_index(ptr @.str.6965, i64 348, i64 %t22, i64 %t24)
+  br i1 %t25, label %range11165, label %inrange11166
+range11165:
+  call void @finch_panic_index(ptr @.str.7180, i64 348, i64 %t22, i64 %t24)
   unreachable
-inrange10632:
+inrange11166:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds i8, ptr %t26, i64 %t22
   %t28 = load i8, ptr %t27
   %t29 = call i64 @finch.json.hex_value(i8 %t28)
   %t30 = icmp slt i64 %t29, 0
-  br label %logic.rend10633
-logic.rend10633:
-  br label %logic.end10626
-logic.end10626:
-  %t31 = phi i1 [ true, %logic.from10624 ], [ %t30, %logic.rend10633 ]
-  br i1 %t31, label %then10634, label %endif10636
-then10634:
+  br label %logic.rend11167
+logic.rend11167:
+  br label %logic.end11160
+logic.end11160:
+  %t31 = phi i1 [ true, %logic.from11158 ], [ %t30, %logic.rend11167 ]
+  br i1 %t31, label %then11168, label %endif11170
+then11168:
   %t32 = load ptr, ptr %a1
-  %t33 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t32, { ptr, i64, i64 } { ptr @.str.6966, i64 19, i64 0 })
+  %t33 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t32, { ptr, i64, i64 } { ptr @.str.7181, i64 19, i64 0 })
   %t34 = insertvalue { i1, i64, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t33, 2
   ret { i1, i64, { ptr, i64, i64 } } %t34
-endif10636:
+endif11170:
   %t35 = load i64, ptr %a2
   %t36 = mul i64 %t35, 16
   %t37 = load ptr, ptr %a1
   %t38 = icmp eq ptr %t37, null
-  br i1 %t38, label %panic10637, label %ok10638
-panic10637:
-  call void @finch_panic(ptr @.str.6967, i64 351, ptr @.str.6968)
+  br i1 %t38, label %panic11171, label %ok11172
+panic11171:
+  call void @finch_panic(ptr @.str.7182, i64 351, ptr @.str.7183)
   unreachable
-ok10638:
+ok11172:
   %t39 = getelementptr inbounds %S.json.Reader, ptr %t37, i32 0, i32 0
   %t40 = load ptr, ptr %a1
   %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic10639, label %ok10640
-panic10639:
-  call void @finch_panic(ptr @.str.6969, i64 351, ptr @.str.6970)
+  br i1 %t41, label %panic11173, label %ok11174
+panic11173:
+  call void @finch_panic(ptr @.str.7184, i64 351, ptr @.str.7185)
   unreachable
-ok10640:
+ok11174:
   %t42 = getelementptr inbounds %S.json.Reader, ptr %t40, i32 0, i32 1
   %t43 = load i64, ptr %t42
   %t44 = load { ptr, i64, i64 }, ptr %t39
   %t45 = extractvalue { ptr, i64, i64 } %t44, 1
   %t46 = icmp uge i64 %t43, %t45
-  br i1 %t46, label %range10641, label %inrange10642
-range10641:
-  call void @finch_panic_index(ptr @.str.6971, i64 351, i64 %t43, i64 %t45)
+  br i1 %t46, label %range11175, label %inrange11176
+range11175:
+  call void @finch_panic_index(ptr @.str.7186, i64 351, i64 %t43, i64 %t45)
   unreachable
-inrange10642:
+inrange11176:
   %t47 = extractvalue { ptr, i64, i64 } %t44, 0
   %t48 = getelementptr inbounds i8, ptr %t47, i64 %t43
   %t49 = load i8, ptr %t48
@@ -93610,22 +111675,22 @@ inrange10642:
   store i64 %t51, ptr %a2
   %t52 = load ptr, ptr %a1
   %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic10643, label %ok10644
-panic10643:
-  call void @finch_panic(ptr @.str.6972, i64 352, ptr @.str.6973)
+  br i1 %t53, label %panic11177, label %ok11178
+panic11177:
+  call void @finch_panic(ptr @.str.7187, i64 352, ptr @.str.7188)
   unreachable
-ok10644:
+ok11178:
   %t54 = getelementptr inbounds %S.json.Reader, ptr %t52, i32 0, i32 1
   %t55 = load i64, ptr %t54
   %t56 = add i64 %t55, 1
   store i64 %t56, ptr %t54
-  br label %for.step10618
-for.step10618:
+  br label %for.step11152
+for.step11152:
   %t57 = load i64, ptr %a3
   %t58 = add i64 %t57, 1
   store i64 %t58, ptr %a3
-  br label %for.cond10616
-for.end10619:
+  br label %for.cond11150
+for.end11153:
   %t59 = load i64, ptr %a2
   %t60 = insertvalue { i1, i64, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t61 = insertvalue { i1, i64, { ptr, i64, i64 } } %t60, i64 %t59, 1
@@ -93640,47 +111705,56 @@ entry:
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i8, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca i8, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca i8, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca i64, align 16
-  %a212 = alloca i64, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca i8, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca i64, align 16
+  %a216 = alloca i64, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
   %a241 = alloca { ptr, i64, i64 }, align 16
   %a242 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10645, label %ok10646
-panic10645:
-  call void @finch_panic(ptr @.str.6974, i64 358, ptr @.str.6975)
+  br i1 %t3, label %panic11179, label %ok11180
+panic11179:
+  call void @finch_panic(ptr @.str.7189, i64 358, ptr @.str.7190)
   unreachable
-ok10646:
+ok11180:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = add i64 %t5, 1
@@ -93688,470 +111762,494 @@ ok10646:
   store { ptr, i64, i64 } zeroinitializer, ptr %a7
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic10647, label %ok10648
-panic10647:
-  call void @finch_panic(ptr @.str.6976, i64 360, ptr @.str.6977)
+  br i1 %t9, label %panic11181, label %ok11182
+panic11181:
+  call void @finch_panic(ptr @.str.7191, i64 360, ptr @.str.7192)
   unreachable
-ok10648:
+ok11182:
   %t10 = getelementptr inbounds %S.json.Reader, ptr %t8, i32 0, i32 1
   %t11 = load i64, ptr %t10
   store i64 %t11, ptr %a12
-  br label %while.cond10649
-while.cond10649:
-  br label %while.body10650
-while.body10650:
+  br label %while.cond11183
+while.cond11183:
+  br label %while.body11184
+while.body11184:
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic10652, label %ok10653
-panic10652:
-  call void @finch_panic(ptr @.str.6978, i64 362, ptr @.str.6979)
+  br i1 %t14, label %panic11186, label %ok11187
+panic11186:
+  call void @finch_panic(ptr @.str.7193, i64 362, ptr @.str.7194)
   unreachable
-ok10653:
+ok11187:
   %t15 = getelementptr inbounds %S.json.Reader, ptr %t13, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic10654, label %ok10655
-panic10654:
-  call void @finch_panic(ptr @.str.6980, i64 362, ptr @.str.6981)
+  br i1 %t18, label %panic11188, label %ok11189
+panic11188:
+  call void @finch_panic(ptr @.str.7195, i64 362, ptr @.str.7196)
   unreachable
-ok10655:
+ok11189:
   %t19 = getelementptr inbounds %S.json.Reader, ptr %t17, i32 0, i32 0
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t19, i32 0, i32 1
   %t21 = load i64, ptr %t20
   %t22 = icmp sge i64 %t16, %t21
-  br i1 %t22, label %then10656, label %endif10658
-then10656:
+  br i1 %t22, label %then11190, label %endif11192
+then11190:
   %t23 = load ptr, ptr %a1
   %t24 = call { ptr, i64, i64 } @finch.json.where(ptr %t23)
-  store { ptr, i64, i64 } { ptr @.str.6982, i64 30, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.7197, i64 30, i64 0 }, ptr %a26
   store { ptr, i64, i64 } %t24, ptr %a27
   call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t28, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.6983, i64 1, i64 0 }, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  %t33 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t32, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t33
-endif10658:
-  %t34 = load ptr, ptr %a1
-  %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic10659, label %ok10660
-panic10659:
-  call void @finch_panic(ptr @.str.6984, i64 365, ptr @.str.6985)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t29, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.7198, i64 1, i64 0 }, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  call void @finch.drop.arr_str(ptr %a7)
+  %t35 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t34, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t35
+endif11192:
+  %t36 = load ptr, ptr %a1
+  %t37 = icmp eq ptr %t36, null
+  br i1 %t37, label %panic11193, label %ok11194
+panic11193:
+  call void @finch_panic(ptr @.str.7199, i64 365, ptr @.str.7200)
   unreachable
-ok10660:
-  %t36 = getelementptr inbounds %S.json.Reader, ptr %t34, i32 0, i32 0
-  %t37 = load ptr, ptr %a1
-  %t38 = icmp eq ptr %t37, null
-  br i1 %t38, label %panic10661, label %ok10662
-panic10661:
-  call void @finch_panic(ptr @.str.6986, i64 365, ptr @.str.6987)
+ok11194:
+  %t38 = getelementptr inbounds %S.json.Reader, ptr %t36, i32 0, i32 0
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic11195, label %ok11196
+panic11195:
+  call void @finch_panic(ptr @.str.7201, i64 365, ptr @.str.7202)
   unreachable
-ok10662:
-  %t39 = getelementptr inbounds %S.json.Reader, ptr %t37, i32 0, i32 1
-  %t40 = load i64, ptr %t39
-  %t41 = load { ptr, i64, i64 }, ptr %t36
-  %t42 = extractvalue { ptr, i64, i64 } %t41, 1
-  %t43 = icmp uge i64 %t40, %t42
-  br i1 %t43, label %range10663, label %inrange10664
-range10663:
-  call void @finch_panic_index(ptr @.str.6988, i64 365, i64 %t40, i64 %t42)
+ok11196:
+  %t41 = getelementptr inbounds %S.json.Reader, ptr %t39, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = load { ptr, i64, i64 }, ptr %t38
+  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
+  %t45 = icmp uge i64 %t42, %t44
+  br i1 %t45, label %range11197, label %inrange11198
+range11197:
+  call void @finch_panic_index(ptr @.str.7203, i64 365, i64 %t42, i64 %t44)
   unreachable
-inrange10664:
-  %t44 = extractvalue { ptr, i64, i64 } %t41, 0
-  %t45 = getelementptr inbounds i8, ptr %t44, i64 %t40
-  %t46 = load i8, ptr %t45
-  store i8 %t46, ptr %a47
-  %t48 = load i8, ptr %a47
-  %t49 = icmp eq i8 %t48, 34
-  br i1 %t49, label %then10665, label %endif10667
-then10665:
-  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t51 = load ptr, ptr %a1
-  %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic10668, label %ok10669
-panic10668:
-  call void @finch_panic(ptr @.str.6989, i64 367, ptr @.str.6990)
+inrange11198:
+  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
+  %t47 = getelementptr inbounds i8, ptr %t46, i64 %t42
+  %t48 = load i8, ptr %t47
+  store i8 %t48, ptr %a49
+  %t50 = load i8, ptr %a49
+  %t51 = icmp eq i8 %t50, 34
+  br i1 %t51, label %then11199, label %endif11201
+then11199:
+  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t53 = load ptr, ptr %a1
+  %t54 = icmp eq ptr %t53, null
+  br i1 %t54, label %panic11202, label %ok11203
+panic11202:
+  call void @finch_panic(ptr @.str.7204, i64 367, ptr @.str.7205)
   unreachable
-ok10669:
-  %t53 = getelementptr inbounds %S.json.Reader, ptr %t51, i32 0, i32 0
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  store { ptr, i64, i64 } %t54, ptr %a55
-  %t57 = load i64, ptr %a12
-  %t58 = load ptr, ptr %a1
-  %t59 = icmp eq ptr %t58, null
-  br i1 %t59, label %panic10670, label %ok10671
-panic10670:
-  call void @finch_panic(ptr @.str.6992, i64 367, ptr @.str.6993)
+ok11203:
+  %t55 = getelementptr inbounds %S.json.Reader, ptr %t53, i32 0, i32 0
+  %t56 = load { ptr, i64, i64 }, ptr %t55
+  store { ptr, i64, i64 } %t56, ptr %a57
+  %t59 = load i64, ptr %a12
+  %t60 = load ptr, ptr %a1
+  %t61 = icmp eq ptr %t60, null
+  br i1 %t61, label %panic11204, label %ok11205
+panic11204:
+  call void @finch_panic(ptr @.str.7207, i64 367, ptr @.str.7208)
   unreachable
-ok10671:
-  %t60 = getelementptr inbounds %S.json.Reader, ptr %t58, i32 0, i32 1
-  %t61 = load i64, ptr %t60
-  call void @finch_str_sub(ptr %a56, ptr %a55, i64 %t57, i64 %t61, ptr @.str.6991, i64 367)
-  %t62 = load { ptr, i64, i64 }, ptr %a56
-  %t63 = load i64, ptr %t50
-  %t64 = add i64 %t63, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t64, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t65 = load ptr, ptr %a7
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 %t63
-  store { ptr, i64, i64 } %t62, ptr %t66
-  store i64 %t64, ptr %t50
-  %t67 = load ptr, ptr %a1
-  %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic10672, label %ok10673
-panic10672:
-  call void @finch_panic(ptr @.str.6994, i64 368, ptr @.str.6995)
+ok11205:
+  %t62 = getelementptr inbounds %S.json.Reader, ptr %t60, i32 0, i32 1
+  %t63 = load i64, ptr %t62
+  call void @finch_str_sub(ptr %a58, ptr %a57, i64 %t59, i64 %t63, ptr @.str.7206, i64 367)
+  %t64 = load { ptr, i64, i64 }, ptr %a58
+  %t65 = load i64, ptr %t52
+  %t66 = add i64 %t65, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t66, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t67 = load ptr, ptr %a7
+  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i64 %t65
+  store { ptr, i64, i64 } %t64, ptr %t68
+  store i64 %t66, ptr %t52
+  %t69 = load ptr, ptr %a1
+  %t70 = icmp eq ptr %t69, null
+  br i1 %t70, label %panic11206, label %ok11207
+panic11206:
+  call void @finch_panic(ptr @.str.7209, i64 368, ptr @.str.7210)
   unreachable
-ok10673:
-  %t69 = getelementptr inbounds %S.json.Reader, ptr %t67, i32 0, i32 1
-  %t70 = load i64, ptr %t69
-  %t71 = add i64 %t70, 1
-  store i64 %t71, ptr %t69
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6996, i64 0, i64 0 }, ptr %a73
-  call void @finch_str_join(ptr %a74, ptr %a7, ptr %a73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  %t76 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t77 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t76, { ptr, i64, i64 } %t75, 1
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t77
-endif10667:
-  %t78 = load i8, ptr %a47
-  %t79 = zext i8 %t78 to i64
-  %t80 = icmp slt i64 %t79, 32
-  br i1 %t80, label %then10674, label %endif10676
-then10674:
-  %t81 = load ptr, ptr %a1
-  %t82 = call { ptr, i64, i64 } @finch.json.where(ptr %t81)
-  store { ptr, i64, i64 } { ptr @.str.6997, i64 55, i64 0 }, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.6998, i64 1, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t90, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t91
-endif10676:
-  %t92 = load i8, ptr %a47
-  %t93 = icmp ne i8 %t92, 92
-  br i1 %t93, label %then10677, label %endif10679
-then10677:
-  %t94 = load ptr, ptr %a1
-  %t95 = icmp eq ptr %t94, null
-  br i1 %t95, label %panic10680, label %ok10681
-panic10680:
-  call void @finch_panic(ptr @.str.6999, i64 375, ptr @.str.7000)
+ok11207:
+  %t71 = getelementptr inbounds %S.json.Reader, ptr %t69, i32 0, i32 1
+  %t72 = load i64, ptr %t71
+  %t73 = add i64 %t72, 1
+  store i64 %t73, ptr %t71
+  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.7211, i64 0, i64 0 }, ptr %a75
+  call void @finch_str_join(ptr %a76, ptr %a7, ptr %a75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  call void @finch.drop.arr_str(ptr %a7)
+  %t78 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t79 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t78, { ptr, i64, i64 } %t77, 1
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t79
+endif11201:
+  %t80 = load i8, ptr %a49
+  %t81 = zext i8 %t80 to i64
+  %t82 = icmp slt i64 %t81, 32
+  br i1 %t82, label %then11208, label %endif11210
+then11208:
+  %t83 = load ptr, ptr %a1
+  %t84 = call { ptr, i64, i64 } @finch.json.where(ptr %t83)
+  store { ptr, i64, i64 } { ptr @.str.7212, i64 55, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.7213, i64 1, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.drop.arr_str(ptr %a7)
+  %t95 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t94, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t95
+endif11210:
+  %t96 = load i8, ptr %a49
+  %t97 = icmp ne i8 %t96, 92
+  br i1 %t97, label %then11211, label %endif11213
+then11211:
+  %t98 = load ptr, ptr %a1
+  %t99 = icmp eq ptr %t98, null
+  br i1 %t99, label %panic11214, label %ok11215
+panic11214:
+  call void @finch_panic(ptr @.str.7214, i64 375, ptr @.str.7215)
   unreachable
-ok10681:
-  %t96 = getelementptr inbounds %S.json.Reader, ptr %t94, i32 0, i32 1
-  %t97 = load i64, ptr %t96
-  %t98 = add i64 %t97, 1
-  store i64 %t98, ptr %t96
-  br label %while.cond10649
-endif10679:
-  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t100 = load ptr, ptr %a1
-  %t101 = icmp eq ptr %t100, null
-  br i1 %t101, label %panic10682, label %ok10683
-panic10682:
-  call void @finch_panic(ptr @.str.7001, i64 378, ptr @.str.7002)
+ok11215:
+  %t100 = getelementptr inbounds %S.json.Reader, ptr %t98, i32 0, i32 1
+  %t101 = load i64, ptr %t100
+  %t102 = add i64 %t101, 1
+  store i64 %t102, ptr %t100
+  br label %while.cond11183
+endif11213:
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t104 = load ptr, ptr %a1
+  %t105 = icmp eq ptr %t104, null
+  br i1 %t105, label %panic11216, label %ok11217
+panic11216:
+  call void @finch_panic(ptr @.str.7216, i64 378, ptr @.str.7217)
   unreachable
-ok10683:
-  %t102 = getelementptr inbounds %S.json.Reader, ptr %t100, i32 0, i32 0
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  store { ptr, i64, i64 } %t103, ptr %a104
-  %t106 = load i64, ptr %a12
-  %t107 = load ptr, ptr %a1
-  %t108 = icmp eq ptr %t107, null
-  br i1 %t108, label %panic10684, label %ok10685
-panic10684:
-  call void @finch_panic(ptr @.str.7004, i64 378, ptr @.str.7005)
+ok11217:
+  %t106 = getelementptr inbounds %S.json.Reader, ptr %t104, i32 0, i32 0
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t107, ptr %a108
+  %t110 = load i64, ptr %a12
+  %t111 = load ptr, ptr %a1
+  %t112 = icmp eq ptr %t111, null
+  br i1 %t112, label %panic11218, label %ok11219
+panic11218:
+  call void @finch_panic(ptr @.str.7219, i64 378, ptr @.str.7220)
   unreachable
-ok10685:
-  %t109 = getelementptr inbounds %S.json.Reader, ptr %t107, i32 0, i32 1
-  %t110 = load i64, ptr %t109
-  call void @finch_str_sub(ptr %a105, ptr %a104, i64 %t106, i64 %t110, ptr @.str.7003, i64 378)
-  %t111 = load { ptr, i64, i64 }, ptr %a105
-  %t112 = load i64, ptr %t99
-  %t113 = add i64 %t112, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t113, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t114 = load ptr, ptr %a7
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i64 %t112
-  store { ptr, i64, i64 } %t111, ptr %t115
-  store i64 %t113, ptr %t99
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic10686, label %ok10687
-panic10686:
-  call void @finch_panic(ptr @.str.7006, i64 379, ptr @.str.7007)
+ok11219:
+  %t113 = getelementptr inbounds %S.json.Reader, ptr %t111, i32 0, i32 1
+  %t114 = load i64, ptr %t113
+  call void @finch_str_sub(ptr %a109, ptr %a108, i64 %t110, i64 %t114, ptr @.str.7218, i64 378)
+  %t115 = load { ptr, i64, i64 }, ptr %a109
+  %t116 = load i64, ptr %t103
+  %t117 = add i64 %t116, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t117, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t118 = load ptr, ptr %a7
+  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t118, i64 %t116
+  store { ptr, i64, i64 } %t115, ptr %t119
+  store i64 %t117, ptr %t103
+  %t120 = load ptr, ptr %a1
+  %t121 = icmp eq ptr %t120, null
+  br i1 %t121, label %panic11220, label %ok11221
+panic11220:
+  call void @finch_panic(ptr @.str.7221, i64 379, ptr @.str.7222)
   unreachable
-ok10687:
-  %t118 = getelementptr inbounds %S.json.Reader, ptr %t116, i32 0, i32 1
-  %t119 = load i64, ptr %t118
-  %t120 = add i64 %t119, 1
-  store i64 %t120, ptr %t118
-  %t121 = load ptr, ptr %a1
-  %t122 = call i8 @finch.json.peek(ptr %t121)
-  store i8 %t122, ptr %a123
-  %t124 = load ptr, ptr %a1
-  %t125 = icmp eq ptr %t124, null
-  br i1 %t125, label %panic10688, label %ok10689
-panic10688:
-  call void @finch_panic(ptr @.str.7008, i64 381, ptr @.str.7009)
+ok11221:
+  %t122 = getelementptr inbounds %S.json.Reader, ptr %t120, i32 0, i32 1
+  %t123 = load i64, ptr %t122
+  %t124 = add i64 %t123, 1
+  store i64 %t124, ptr %t122
+  %t125 = load ptr, ptr %a1
+  %t126 = call i8 @finch.json.peek(ptr %t125)
+  store i8 %t126, ptr %a127
+  %t128 = load ptr, ptr %a1
+  %t129 = icmp eq ptr %t128, null
+  br i1 %t129, label %panic11222, label %ok11223
+panic11222:
+  call void @finch_panic(ptr @.str.7223, i64 381, ptr @.str.7224)
   unreachable
-ok10689:
-  %t126 = getelementptr inbounds %S.json.Reader, ptr %t124, i32 0, i32 1
-  %t127 = load i64, ptr %t126
-  %t128 = add i64 %t127, 1
-  store i64 %t128, ptr %t126
-  %t129 = load i8, ptr %a123
-  %t130 = icmp eq i8 %t129, 110
-  br i1 %t130, label %then10690, label %else10691
-then10690:
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  %t133 = add i64 %t132, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t133, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t134 = load ptr, ptr %a7
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 %t132
-  store { ptr, i64, i64 } { ptr @.str.7010, i64 1, i64 0 }, ptr %t135
-  store i64 %t133, ptr %t131
-  br label %endif10692
-else10691:
-  %t136 = load i8, ptr %a123
-  %t137 = icmp eq i8 %t136, 116
-  br i1 %t137, label %then10693, label %else10694
-then10693:
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t139 = load i64, ptr %t138
-  %t140 = add i64 %t139, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t140, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t141 = load ptr, ptr %a7
-  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i64 %t139
-  store { ptr, i64, i64 } { ptr @.str.7011, i64 1, i64 0 }, ptr %t142
-  store i64 %t140, ptr %t138
-  br label %endif10695
-else10694:
-  %t143 = load i8, ptr %a123
-  %t144 = icmp eq i8 %t143, 114
-  br i1 %t144, label %then10696, label %else10697
-then10696:
-  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t146 = load i64, ptr %t145
-  %t147 = add i64 %t146, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t147, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t148 = load ptr, ptr %a7
-  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t148, i64 %t146
-  store { ptr, i64, i64 } { ptr @.str.7012, i64 1, i64 0 }, ptr %t149
-  store i64 %t147, ptr %t145
-  br label %endif10698
-else10697:
-  %t150 = load i8, ptr %a123
-  %t151 = icmp eq i8 %t150, 98
-  br i1 %t151, label %then10699, label %else10700
-then10699:
-  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t153 = call { ptr, i64, i64 } @finch.json.utf8(i64 8)
-  %t154 = load i64, ptr %t152
-  %t155 = add i64 %t154, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t155, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t156 = load ptr, ptr %a7
-  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i64 %t154
-  store { ptr, i64, i64 } %t153, ptr %t157
-  store i64 %t155, ptr %t152
-  br label %endif10701
-else10700:
-  %t158 = load i8, ptr %a123
-  %t159 = icmp eq i8 %t158, 102
-  br i1 %t159, label %then10702, label %else10703
-then10702:
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t161 = call { ptr, i64, i64 } @finch.json.utf8(i64 12)
-  %t162 = load i64, ptr %t160
-  %t163 = add i64 %t162, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t163, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t164 = load ptr, ptr %a7
-  %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i64 %t162
-  store { ptr, i64, i64 } %t161, ptr %t165
-  store i64 %t163, ptr %t160
-  br label %endif10704
-else10703:
-  %t166 = load i8, ptr %a123
-  %t167 = icmp eq i8 %t166, 34
-  br label %logic.from10705
-logic.from10705:
-  br i1 %t167, label %logic.end10707, label %logic.rhs10706
-logic.rhs10706:
-  %t168 = load i8, ptr %a123
-  %t169 = icmp eq i8 %t168, 92
-  br label %logic.rend10708
-logic.rend10708:
-  br label %logic.end10707
-logic.end10707:
-  %t170 = phi i1 [ true, %logic.from10705 ], [ %t169, %logic.rend10708 ]
-  br label %logic.from10709
-logic.from10709:
-  br i1 %t170, label %logic.end10711, label %logic.rhs10710
-logic.rhs10710:
-  %t171 = load i8, ptr %a123
-  %t172 = icmp eq i8 %t171, 47
-  br label %logic.rend10712
-logic.rend10712:
-  br label %logic.end10711
-logic.end10711:
-  %t173 = phi i1 [ true, %logic.from10709 ], [ %t172, %logic.rend10712 ]
-  br i1 %t173, label %then10713, label %else10714
-then10713:
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t175 = load i8, ptr %a123
-  call void @finch_str_from_char(ptr %a176, i8 signext %t175)
-  %t177 = load { ptr, i64, i64 }, ptr %a176
-  %t178 = load i64, ptr %t174
-  %t179 = add i64 %t178, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t179, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t180 = load ptr, ptr %a7
-  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t180, i64 %t178
-  store { ptr, i64, i64 } %t177, ptr %t181
-  store i64 %t179, ptr %t174
-  br label %endif10715
-else10714:
-  %t182 = load i8, ptr %a123
-  %t183 = icmp eq i8 %t182, 117
-  br i1 %t183, label %then10716, label %else10717
-then10716:
-  %t184 = load ptr, ptr %a1
-  %t185 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t184)
-  %t186 = extractvalue { i1, i64, { ptr, i64, i64 } } %t185, 0
-  %t187 = xor i1 %t186, true
-  %t188 = extractvalue { i1, i64, { ptr, i64, i64 } } %t185, 2
-  %t189 = extractvalue { i1, i64, { ptr, i64, i64 } } %t185, 1
-  br i1 %t187, label %try.failed10719, label %try.ok10720
-try.failed10719:
-  %t190 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t188, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t190
-try.ok10720:
-  store i64 %t189, ptr %a191
-  %t192 = load i64, ptr %a191
-  %t193 = icmp sge i64 %t192, 55296
-  br label %logic.from10721
-logic.from10721:
-  br i1 %t193, label %logic.rhs10722, label %logic.end10723
-logic.rhs10722:
-  %t194 = load i64, ptr %a191
-  %t195 = icmp slt i64 %t194, 56320
-  br label %logic.rend10724
-logic.rend10724:
-  br label %logic.end10723
-logic.end10723:
-  %t196 = phi i1 [ false, %logic.from10721 ], [ %t195, %logic.rend10724 ]
-  br label %logic.from10725
-logic.from10725:
-  br i1 %t196, label %logic.rhs10726, label %logic.end10727
-logic.rhs10726:
-  %t197 = load ptr, ptr %a1
-  %t198 = call i1 @finch.json.comes(ptr %t197, { ptr, i64, i64 } { ptr @.str.7013, i64 2, i64 0 })
-  br label %logic.rend10728
-logic.rend10728:
-  br label %logic.end10727
-logic.end10727:
-  %t199 = phi i1 [ false, %logic.from10725 ], [ %t198, %logic.rend10728 ]
-  br i1 %t199, label %then10729, label %endif10731
-then10729:
-  %t200 = load ptr, ptr %a1
-  %t201 = icmp eq ptr %t200, null
-  br i1 %t201, label %panic10732, label %ok10733
-panic10732:
-  call void @finch_panic(ptr @.str.7014, i64 398, ptr @.str.7015)
+ok11223:
+  %t130 = getelementptr inbounds %S.json.Reader, ptr %t128, i32 0, i32 1
+  %t131 = load i64, ptr %t130
+  %t132 = add i64 %t131, 1
+  store i64 %t132, ptr %t130
+  %t133 = load i8, ptr %a127
+  %t134 = icmp eq i8 %t133, 110
+  br i1 %t134, label %then11224, label %else11225
+then11224:
+  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t136 = load i64, ptr %t135
+  %t137 = add i64 %t136, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t137, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t138 = load ptr, ptr %a7
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t138, i64 %t136
+  store { ptr, i64, i64 } { ptr @.str.7225, i64 1, i64 0 }, ptr %t139
+  store i64 %t137, ptr %t135
+  br label %endif11226
+else11225:
+  %t140 = load i8, ptr %a127
+  %t141 = icmp eq i8 %t140, 116
+  br i1 %t141, label %then11227, label %else11228
+then11227:
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t143 = load i64, ptr %t142
+  %t144 = add i64 %t143, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t144, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t145 = load ptr, ptr %a7
+  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i64 %t143
+  store { ptr, i64, i64 } { ptr @.str.7226, i64 1, i64 0 }, ptr %t146
+  store i64 %t144, ptr %t142
+  br label %endif11229
+else11228:
+  %t147 = load i8, ptr %a127
+  %t148 = icmp eq i8 %t147, 114
+  br i1 %t148, label %then11230, label %else11231
+then11230:
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  %t151 = add i64 %t150, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t151, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t152 = load ptr, ptr %a7
+  %t153 = getelementptr inbounds { ptr, i64, i64 }, ptr %t152, i64 %t150
+  store { ptr, i64, i64 } { ptr @.str.7227, i64 1, i64 0 }, ptr %t153
+  store i64 %t151, ptr %t149
+  br label %endif11232
+else11231:
+  %t154 = load i8, ptr %a127
+  %t155 = icmp eq i8 %t154, 98
+  br i1 %t155, label %then11233, label %else11234
+then11233:
+  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t157 = call { ptr, i64, i64 } @finch.json.utf8(i64 8)
+  %t158 = load i64, ptr %t156
+  %t159 = add i64 %t158, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t159, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t160 = load ptr, ptr %a7
+  %t161 = getelementptr inbounds { ptr, i64, i64 }, ptr %t160, i64 %t158
+  store { ptr, i64, i64 } %t157, ptr %t161
+  store i64 %t159, ptr %t156
+  br label %endif11235
+else11234:
+  %t162 = load i8, ptr %a127
+  %t163 = icmp eq i8 %t162, 102
+  br i1 %t163, label %then11236, label %else11237
+then11236:
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t165 = call { ptr, i64, i64 } @finch.json.utf8(i64 12)
+  %t166 = load i64, ptr %t164
+  %t167 = add i64 %t166, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t167, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t168 = load ptr, ptr %a7
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t168, i64 %t166
+  store { ptr, i64, i64 } %t165, ptr %t169
+  store i64 %t167, ptr %t164
+  br label %endif11238
+else11237:
+  %t170 = load i8, ptr %a127
+  %t171 = icmp eq i8 %t170, 34
+  br label %logic.from11239
+logic.from11239:
+  br i1 %t171, label %logic.end11241, label %logic.rhs11240
+logic.rhs11240:
+  %t172 = load i8, ptr %a127
+  %t173 = icmp eq i8 %t172, 92
+  br label %logic.rend11242
+logic.rend11242:
+  br label %logic.end11241
+logic.end11241:
+  %t174 = phi i1 [ true, %logic.from11239 ], [ %t173, %logic.rend11242 ]
+  br label %logic.from11243
+logic.from11243:
+  br i1 %t174, label %logic.end11245, label %logic.rhs11244
+logic.rhs11244:
+  %t175 = load i8, ptr %a127
+  %t176 = icmp eq i8 %t175, 47
+  br label %logic.rend11246
+logic.rend11246:
+  br label %logic.end11245
+logic.end11245:
+  %t177 = phi i1 [ true, %logic.from11243 ], [ %t176, %logic.rend11246 ]
+  br i1 %t177, label %then11247, label %else11248
+then11247:
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t179 = load i8, ptr %a127
+  call void @finch_str_from_char(ptr %a180, i8 signext %t179)
+  %t181 = load { ptr, i64, i64 }, ptr %a180
+  %t182 = load i64, ptr %t178
+  %t183 = add i64 %t182, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t183, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t184 = load ptr, ptr %a7
+  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i64 %t182
+  store { ptr, i64, i64 } %t181, ptr %t185
+  store i64 %t183, ptr %t178
+  br label %endif11249
+else11248:
+  %t186 = load i8, ptr %a127
+  %t187 = icmp eq i8 %t186, 117
+  br i1 %t187, label %then11250, label %else11251
+then11250:
+  %t188 = load ptr, ptr %a1
+  %t189 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t188)
+  %t190 = extractvalue { i1, i64, { ptr, i64, i64 } } %t189, 0
+  %t191 = xor i1 %t190, true
+  %t192 = extractvalue { i1, i64, { ptr, i64, i64 } } %t189, 2
+  %t193 = extractvalue { i1, i64, { ptr, i64, i64 } } %t189, 1
+  br i1 %t191, label %try.failed11253, label %try.ok11254
+try.failed11253:
+  call void @finch.drop.arr_str(ptr %a7)
+  %t194 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t192, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t194
+try.ok11254:
+  store i64 %t193, ptr %a195
+  %t196 = load i64, ptr %a195
+  %t197 = icmp sge i64 %t196, 55296
+  br label %logic.from11255
+logic.from11255:
+  br i1 %t197, label %logic.rhs11256, label %logic.end11257
+logic.rhs11256:
+  %t198 = load i64, ptr %a195
+  %t199 = icmp slt i64 %t198, 56320
+  br label %logic.rend11258
+logic.rend11258:
+  br label %logic.end11257
+logic.end11257:
+  %t200 = phi i1 [ false, %logic.from11255 ], [ %t199, %logic.rend11258 ]
+  br label %logic.from11259
+logic.from11259:
+  br i1 %t200, label %logic.rhs11260, label %logic.end11261
+logic.rhs11260:
+  %t201 = load ptr, ptr %a1
+  %t202 = call i1 @finch.json.comes(ptr %t201, { ptr, i64, i64 } { ptr @.str.7228, i64 2, i64 0 })
+  br label %logic.rend11262
+logic.rend11262:
+  br label %logic.end11261
+logic.end11261:
+  %t203 = phi i1 [ false, %logic.from11259 ], [ %t202, %logic.rend11262 ]
+  br i1 %t203, label %then11263, label %endif11265
+then11263:
+  %t204 = load ptr, ptr %a1
+  %t205 = icmp eq ptr %t204, null
+  br i1 %t205, label %panic11266, label %ok11267
+panic11266:
+  call void @finch_panic(ptr @.str.7229, i64 398, ptr @.str.7230)
   unreachable
-ok10733:
-  %t202 = getelementptr inbounds %S.json.Reader, ptr %t200, i32 0, i32 1
-  %t203 = load i64, ptr %t202
-  %t204 = add i64 %t203, 2
-  store i64 %t204, ptr %t202
-  %t205 = load ptr, ptr %a1
-  %t206 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t205)
-  %t207 = extractvalue { i1, i64, { ptr, i64, i64 } } %t206, 0
-  %t208 = xor i1 %t207, true
-  %t209 = extractvalue { i1, i64, { ptr, i64, i64 } } %t206, 2
-  %t210 = extractvalue { i1, i64, { ptr, i64, i64 } } %t206, 1
-  br i1 %t208, label %try.failed10734, label %try.ok10735
-try.failed10734:
-  %t211 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t209, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t211
-try.ok10735:
-  store i64 %t210, ptr %a212
-  %t213 = load i64, ptr %a191
-  %t214 = sub i64 %t213, 55296
-  %t215 = mul i64 %t214, 1024
-  %t216 = add i64 65536, %t215
-  %t217 = load i64, ptr %a212
-  %t218 = sub i64 %t217, 56320
-  %t219 = add i64 %t216, %t218
-  store i64 %t219, ptr %a191
-  br label %endif10731
-endif10731:
-  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t221 = load i64, ptr %a191
-  %t222 = call { ptr, i64, i64 } @finch.json.utf8(i64 %t221)
-  %t223 = load i64, ptr %t220
-  %t224 = add i64 %t223, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t224, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t225 = load ptr, ptr %a7
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i64 %t223
-  store { ptr, i64, i64 } %t222, ptr %t226
-  store i64 %t224, ptr %t220
-  br label %endif10718
-else10717:
-  %t227 = load i8, ptr %a123
-  call void @finch_str_from_char(ptr %a228, i8 signext %t227)
-  %t229 = load { ptr, i64, i64 }, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.7016, i64 22, i64 0 }, ptr %a231
-  store { ptr, i64, i64 } %t229, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  store { ptr, i64, i64 } %t233, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.7017, i64 12, i64 0 }, ptr %a236
+ok11267:
+  %t206 = getelementptr inbounds %S.json.Reader, ptr %t204, i32 0, i32 1
+  %t207 = load i64, ptr %t206
+  %t208 = add i64 %t207, 2
+  store i64 %t208, ptr %t206
+  %t209 = load ptr, ptr %a1
+  %t210 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t209)
+  %t211 = extractvalue { i1, i64, { ptr, i64, i64 } } %t210, 0
+  %t212 = xor i1 %t211, true
+  %t213 = extractvalue { i1, i64, { ptr, i64, i64 } } %t210, 2
+  %t214 = extractvalue { i1, i64, { ptr, i64, i64 } } %t210, 1
+  br i1 %t212, label %try.failed11268, label %try.ok11269
+try.failed11268:
+  call void @finch.drop.arr_str(ptr %a7)
+  %t215 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t213, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t215
+try.ok11269:
+  store i64 %t214, ptr %a216
+  %t217 = load i64, ptr %a195
+  %t218 = sub i64 %t217, 55296
+  %t219 = mul i64 %t218, 1024
+  %t220 = add i64 65536, %t219
+  %t221 = load i64, ptr %a216
+  %t222 = sub i64 %t221, 56320
+  %t223 = add i64 %t220, %t222
+  store i64 %t223, ptr %a195
+  br label %endif11265
+endif11265:
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t225 = load i64, ptr %a195
+  %t226 = call { ptr, i64, i64 } @finch.json.utf8(i64 %t225)
+  %t227 = load i64, ptr %t224
+  %t228 = add i64 %t227, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t228, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t229 = load ptr, ptr %a7
+  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i64 %t227
+  store { ptr, i64, i64 } %t226, ptr %t230
+  store i64 %t228, ptr %t224
+  br label %endif11252
+else11251:
+  %t231 = load i8, ptr %a127
+  call void @finch_str_from_char(ptr %a232, i8 signext %t231)
+  %t233 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.7231, i64 22, i64 0 }, ptr %a235
+  store { ptr, i64, i64 } %t233, ptr %a236
   call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  %t238 = load ptr, ptr %a1
-  %t239 = call { ptr, i64, i64 } @finch.json.where(ptr %t238)
-  store { ptr, i64, i64 } %t237, ptr %a241
-  store { ptr, i64, i64 } %t239, ptr %a242
-  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
-  %t243 = load { ptr, i64, i64 }, ptr %a240
-  store { ptr, i64, i64 } %t243, ptr %a245
-  store { ptr, i64, i64 } { ptr @.str.7018, i64 1, i64 0 }, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  %t248 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t247, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t248
-endif10718:
-  br label %endif10715
-endif10715:
-  br label %endif10704
-endif10704:
-  br label %endif10701
-endif10701:
-  br label %endif10698
-endif10698:
-  br label %endif10695
-endif10695:
-  br label %endif10692
-endif10692:
-  %t249 = load ptr, ptr %a1
-  %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic10736, label %ok10737
-panic10736:
-  call void @finch_panic(ptr @.str.7019, i64 406, ptr @.str.7020)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  store { ptr, i64, i64 } %t238, ptr %a240
+  store { ptr, i64, i64 } { ptr @.str.7232, i64 12, i64 0 }, ptr %a241
+  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
+  store { ptr, i64, i64 } %t238, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load { ptr, i64, i64 }, ptr %a239
+  %t244 = load ptr, ptr %a1
+  %t245 = call { ptr, i64, i64 } @finch.json.where(ptr %t244)
+  store { ptr, i64, i64 } %t243, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t243, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  store { ptr, i64, i64 } %t245, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.7233, i64 1, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  call void @finch.drop.arr_str(ptr %a7)
+  %t257 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t256, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t257
+endif11252:
+  br label %endif11249
+endif11249:
+  br label %endif11238
+endif11238:
+  br label %endif11235
+endif11235:
+  br label %endif11232
+endif11232:
+  br label %endif11229
+endif11229:
+  br label %endif11226
+endif11226:
+  %t258 = load ptr, ptr %a1
+  %t259 = icmp eq ptr %t258, null
+  br i1 %t259, label %panic11270, label %ok11271
+panic11270:
+  call void @finch_panic(ptr @.str.7234, i64 406, ptr @.str.7235)
   unreachable
-ok10737:
-  %t251 = getelementptr inbounds %S.json.Reader, ptr %t249, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  store i64 %t252, ptr %a12
-  br label %while.cond10649
+ok11271:
+  %t260 = getelementptr inbounds %S.json.Reader, ptr %t258, i32 0, i32 1
+  %t261 = load i64, ptr %t260
+  store i64 %t261, ptr %a12
+  br label %while.cond11183
 }
 
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_number(ptr %p0) {
@@ -94163,361 +112261,362 @@ entry:
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca double, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca double, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca double, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10738, label %ok10739
-panic10738:
-  call void @finch_panic(ptr @.str.7021, i64 411, ptr @.str.7022)
+  br i1 %t3, label %panic11272, label %ok11273
+panic11272:
+  call void @finch_panic(ptr @.str.7236, i64 411, ptr @.str.7237)
   unreachable
-ok10739:
+ok11273:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   store i64 %t5, ptr %a6
   %t7 = load ptr, ptr %a1
   %t8 = call i8 @finch.json.peek(ptr %t7)
   %t9 = icmp eq i8 %t8, 45
-  br i1 %t9, label %then10740, label %endif10742
-then10740:
+  br i1 %t9, label %then11274, label %endif11276
+then11274:
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic10743, label %ok10744
-panic10743:
-  call void @finch_panic(ptr @.str.7023, i64 413, ptr @.str.7024)
+  br i1 %t11, label %panic11277, label %ok11278
+panic11277:
+  call void @finch_panic(ptr @.str.7238, i64 413, ptr @.str.7239)
   unreachable
-ok10744:
+ok11278:
   %t12 = getelementptr inbounds %S.json.Reader, ptr %t10, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = add i64 %t13, 1
   store i64 %t14, ptr %t12
-  br label %endif10742
-endif10742:
-  br label %while.cond10745
-while.cond10745:
+  br label %endif11276
+endif11276:
+  br label %while.cond11279
+while.cond11279:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic10748, label %ok10749
-panic10748:
-  call void @finch_panic(ptr @.str.7025, i64 415, ptr @.str.7026)
+  br i1 %t16, label %panic11282, label %ok11283
+panic11282:
+  call void @finch_panic(ptr @.str.7240, i64 415, ptr @.str.7241)
   unreachable
-ok10749:
+ok11283:
   %t17 = getelementptr inbounds %S.json.Reader, ptr %t15, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = load ptr, ptr %a1
   %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic10750, label %ok10751
-panic10750:
-  call void @finch_panic(ptr @.str.7027, i64 415, ptr @.str.7028)
+  br i1 %t20, label %panic11284, label %ok11285
+panic11284:
+  call void @finch_panic(ptr @.str.7242, i64 415, ptr @.str.7243)
   unreachable
-ok10751:
+ok11285:
   %t21 = getelementptr inbounds %S.json.Reader, ptr %t19, i32 0, i32 0
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
   %t23 = load i64, ptr %t22
   %t24 = icmp slt i64 %t18, %t23
-  br label %logic.from10752
-logic.from10752:
-  br i1 %t24, label %logic.rhs10753, label %logic.end10754
-logic.rhs10753:
+  br label %logic.from11286
+logic.from11286:
+  br i1 %t24, label %logic.rhs11287, label %logic.end11288
+logic.rhs11287:
   %t25 = load ptr, ptr %a1
   %t26 = icmp eq ptr %t25, null
-  br i1 %t26, label %panic10755, label %ok10756
-panic10755:
-  call void @finch_panic(ptr @.str.7029, i64 415, ptr @.str.7030)
+  br i1 %t26, label %panic11289, label %ok11290
+panic11289:
+  call void @finch_panic(ptr @.str.7244, i64 415, ptr @.str.7245)
   unreachable
-ok10756:
+ok11290:
   %t27 = getelementptr inbounds %S.json.Reader, ptr %t25, i32 0, i32 0
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic10757, label %ok10758
-panic10757:
-  call void @finch_panic(ptr @.str.7031, i64 415, ptr @.str.7032)
+  br i1 %t29, label %panic11291, label %ok11292
+panic11291:
+  call void @finch_panic(ptr @.str.7246, i64 415, ptr @.str.7247)
   unreachable
-ok10758:
+ok11292:
   %t30 = getelementptr inbounds %S.json.Reader, ptr %t28, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = load { ptr, i64, i64 }, ptr %t27
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range10759, label %inrange10760
-range10759:
-  call void @finch_panic_index(ptr @.str.7033, i64 415, i64 %t31, i64 %t33)
+  br i1 %t34, label %range11293, label %inrange11294
+range11293:
+  call void @finch_panic_index(ptr @.str.7248, i64 415, i64 %t31, i64 %t33)
   unreachable
-inrange10760:
+inrange11294:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds i8, ptr %t35, i64 %t31
   %t37 = load i8, ptr %t36
   %t38 = icmp uge i8 %t37, 48
-  br label %logic.from10761
-logic.from10761:
-  br i1 %t38, label %logic.rhs10762, label %logic.end10763
-logic.rhs10762:
+  br label %logic.from11295
+logic.from11295:
+  br i1 %t38, label %logic.rhs11296, label %logic.end11297
+logic.rhs11296:
   %t39 = load ptr, ptr %a1
   %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic10764, label %ok10765
-panic10764:
-  call void @finch_panic(ptr @.str.7034, i64 415, ptr @.str.7035)
+  br i1 %t40, label %panic11298, label %ok11299
+panic11298:
+  call void @finch_panic(ptr @.str.7249, i64 415, ptr @.str.7250)
   unreachable
-ok10765:
+ok11299:
   %t41 = getelementptr inbounds %S.json.Reader, ptr %t39, i32 0, i32 0
   %t42 = load ptr, ptr %a1
   %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic10766, label %ok10767
-panic10766:
-  call void @finch_panic(ptr @.str.7036, i64 415, ptr @.str.7037)
+  br i1 %t43, label %panic11300, label %ok11301
+panic11300:
+  call void @finch_panic(ptr @.str.7251, i64 415, ptr @.str.7252)
   unreachable
-ok10767:
+ok11301:
   %t44 = getelementptr inbounds %S.json.Reader, ptr %t42, i32 0, i32 1
   %t45 = load i64, ptr %t44
   %t46 = load { ptr, i64, i64 }, ptr %t41
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 %t45, %t47
-  br i1 %t48, label %range10768, label %inrange10769
-range10768:
-  call void @finch_panic_index(ptr @.str.7038, i64 415, i64 %t45, i64 %t47)
+  br i1 %t48, label %range11302, label %inrange11303
+range11302:
+  call void @finch_panic_index(ptr @.str.7253, i64 415, i64 %t45, i64 %t47)
   unreachable
-inrange10769:
+inrange11303:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds i8, ptr %t49, i64 %t45
   %t51 = load i8, ptr %t50
   %t52 = icmp ule i8 %t51, 57
-  br label %logic.rend10770
-logic.rend10770:
-  br label %logic.end10763
-logic.end10763:
-  %t53 = phi i1 [ false, %logic.from10761 ], [ %t52, %logic.rend10770 ]
-  br label %logic.from10771
-logic.from10771:
-  br i1 %t53, label %logic.end10773, label %logic.rhs10772
-logic.rhs10772:
+  br label %logic.rend11304
+logic.rend11304:
+  br label %logic.end11297
+logic.end11297:
+  %t53 = phi i1 [ false, %logic.from11295 ], [ %t52, %logic.rend11304 ]
+  br label %logic.from11305
+logic.from11305:
+  br i1 %t53, label %logic.end11307, label %logic.rhs11306
+logic.rhs11306:
   %t54 = load ptr, ptr %a1
   %t55 = icmp eq ptr %t54, null
-  br i1 %t55, label %panic10774, label %ok10775
-panic10774:
-  call void @finch_panic(ptr @.str.7039, i64 415, ptr @.str.7040)
+  br i1 %t55, label %panic11308, label %ok11309
+panic11308:
+  call void @finch_panic(ptr @.str.7254, i64 415, ptr @.str.7255)
   unreachable
-ok10775:
+ok11309:
   %t56 = getelementptr inbounds %S.json.Reader, ptr %t54, i32 0, i32 0
   %t57 = load ptr, ptr %a1
   %t58 = icmp eq ptr %t57, null
-  br i1 %t58, label %panic10776, label %ok10777
-panic10776:
-  call void @finch_panic(ptr @.str.7041, i64 415, ptr @.str.7042)
+  br i1 %t58, label %panic11310, label %ok11311
+panic11310:
+  call void @finch_panic(ptr @.str.7256, i64 415, ptr @.str.7257)
   unreachable
-ok10777:
+ok11311:
   %t59 = getelementptr inbounds %S.json.Reader, ptr %t57, i32 0, i32 1
   %t60 = load i64, ptr %t59
   %t61 = load { ptr, i64, i64 }, ptr %t56
   %t62 = extractvalue { ptr, i64, i64 } %t61, 1
   %t63 = icmp uge i64 %t60, %t62
-  br i1 %t63, label %range10778, label %inrange10779
-range10778:
-  call void @finch_panic_index(ptr @.str.7043, i64 415, i64 %t60, i64 %t62)
+  br i1 %t63, label %range11312, label %inrange11313
+range11312:
+  call void @finch_panic_index(ptr @.str.7258, i64 415, i64 %t60, i64 %t62)
   unreachable
-inrange10779:
+inrange11313:
   %t64 = extractvalue { ptr, i64, i64 } %t61, 0
   %t65 = getelementptr inbounds i8, ptr %t64, i64 %t60
   %t66 = load i8, ptr %t65
   %t67 = icmp eq i8 %t66, 46
-  br label %logic.rend10780
-logic.rend10780:
-  br label %logic.end10773
-logic.end10773:
-  %t68 = phi i1 [ true, %logic.from10771 ], [ %t67, %logic.rend10780 ]
-  br label %logic.from10781
-logic.from10781:
-  br i1 %t68, label %logic.end10783, label %logic.rhs10782
-logic.rhs10782:
+  br label %logic.rend11314
+logic.rend11314:
+  br label %logic.end11307
+logic.end11307:
+  %t68 = phi i1 [ true, %logic.from11305 ], [ %t67, %logic.rend11314 ]
+  br label %logic.from11315
+logic.from11315:
+  br i1 %t68, label %logic.end11317, label %logic.rhs11316
+logic.rhs11316:
   %t69 = load ptr, ptr %a1
   %t70 = icmp eq ptr %t69, null
-  br i1 %t70, label %panic10784, label %ok10785
-panic10784:
-  call void @finch_panic(ptr @.str.7044, i64 415, ptr @.str.7045)
+  br i1 %t70, label %panic11318, label %ok11319
+panic11318:
+  call void @finch_panic(ptr @.str.7259, i64 415, ptr @.str.7260)
   unreachable
-ok10785:
+ok11319:
   %t71 = getelementptr inbounds %S.json.Reader, ptr %t69, i32 0, i32 0
   %t72 = load ptr, ptr %a1
   %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic10786, label %ok10787
-panic10786:
-  call void @finch_panic(ptr @.str.7046, i64 415, ptr @.str.7047)
+  br i1 %t73, label %panic11320, label %ok11321
+panic11320:
+  call void @finch_panic(ptr @.str.7261, i64 415, ptr @.str.7262)
   unreachable
-ok10787:
+ok11321:
   %t74 = getelementptr inbounds %S.json.Reader, ptr %t72, i32 0, i32 1
   %t75 = load i64, ptr %t74
   %t76 = load { ptr, i64, i64 }, ptr %t71
   %t77 = extractvalue { ptr, i64, i64 } %t76, 1
   %t78 = icmp uge i64 %t75, %t77
-  br i1 %t78, label %range10788, label %inrange10789
-range10788:
-  call void @finch_panic_index(ptr @.str.7048, i64 415, i64 %t75, i64 %t77)
+  br i1 %t78, label %range11322, label %inrange11323
+range11322:
+  call void @finch_panic_index(ptr @.str.7263, i64 415, i64 %t75, i64 %t77)
   unreachable
-inrange10789:
+inrange11323:
   %t79 = extractvalue { ptr, i64, i64 } %t76, 0
   %t80 = getelementptr inbounds i8, ptr %t79, i64 %t75
   %t81 = load i8, ptr %t80
   %t82 = icmp eq i8 %t81, 101
-  br label %logic.rend10790
-logic.rend10790:
-  br label %logic.end10783
-logic.end10783:
-  %t83 = phi i1 [ true, %logic.from10781 ], [ %t82, %logic.rend10790 ]
-  br label %logic.from10791
-logic.from10791:
-  br i1 %t83, label %logic.end10793, label %logic.rhs10792
-logic.rhs10792:
+  br label %logic.rend11324
+logic.rend11324:
+  br label %logic.end11317
+logic.end11317:
+  %t83 = phi i1 [ true, %logic.from11315 ], [ %t82, %logic.rend11324 ]
+  br label %logic.from11325
+logic.from11325:
+  br i1 %t83, label %logic.end11327, label %logic.rhs11326
+logic.rhs11326:
   %t84 = load ptr, ptr %a1
   %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic10794, label %ok10795
-panic10794:
-  call void @finch_panic(ptr @.str.7049, i64 415, ptr @.str.7050)
+  br i1 %t85, label %panic11328, label %ok11329
+panic11328:
+  call void @finch_panic(ptr @.str.7264, i64 415, ptr @.str.7265)
   unreachable
-ok10795:
+ok11329:
   %t86 = getelementptr inbounds %S.json.Reader, ptr %t84, i32 0, i32 0
   %t87 = load ptr, ptr %a1
   %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic10796, label %ok10797
-panic10796:
-  call void @finch_panic(ptr @.str.7051, i64 415, ptr @.str.7052)
+  br i1 %t88, label %panic11330, label %ok11331
+panic11330:
+  call void @finch_panic(ptr @.str.7266, i64 415, ptr @.str.7267)
   unreachable
-ok10797:
+ok11331:
   %t89 = getelementptr inbounds %S.json.Reader, ptr %t87, i32 0, i32 1
   %t90 = load i64, ptr %t89
   %t91 = load { ptr, i64, i64 }, ptr %t86
   %t92 = extractvalue { ptr, i64, i64 } %t91, 1
   %t93 = icmp uge i64 %t90, %t92
-  br i1 %t93, label %range10798, label %inrange10799
-range10798:
-  call void @finch_panic_index(ptr @.str.7053, i64 415, i64 %t90, i64 %t92)
+  br i1 %t93, label %range11332, label %inrange11333
+range11332:
+  call void @finch_panic_index(ptr @.str.7268, i64 415, i64 %t90, i64 %t92)
   unreachable
-inrange10799:
+inrange11333:
   %t94 = extractvalue { ptr, i64, i64 } %t91, 0
   %t95 = getelementptr inbounds i8, ptr %t94, i64 %t90
   %t96 = load i8, ptr %t95
   %t97 = icmp eq i8 %t96, 69
-  br label %logic.rend10800
-logic.rend10800:
-  br label %logic.end10793
-logic.end10793:
-  %t98 = phi i1 [ true, %logic.from10791 ], [ %t97, %logic.rend10800 ]
-  br label %logic.from10801
-logic.from10801:
-  br i1 %t98, label %logic.end10803, label %logic.rhs10802
-logic.rhs10802:
+  br label %logic.rend11334
+logic.rend11334:
+  br label %logic.end11327
+logic.end11327:
+  %t98 = phi i1 [ true, %logic.from11325 ], [ %t97, %logic.rend11334 ]
+  br label %logic.from11335
+logic.from11335:
+  br i1 %t98, label %logic.end11337, label %logic.rhs11336
+logic.rhs11336:
   %t99 = load ptr, ptr %a1
   %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic10804, label %ok10805
-panic10804:
-  call void @finch_panic(ptr @.str.7054, i64 415, ptr @.str.7055)
+  br i1 %t100, label %panic11338, label %ok11339
+panic11338:
+  call void @finch_panic(ptr @.str.7269, i64 415, ptr @.str.7270)
   unreachable
-ok10805:
+ok11339:
   %t101 = getelementptr inbounds %S.json.Reader, ptr %t99, i32 0, i32 0
   %t102 = load ptr, ptr %a1
   %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic10806, label %ok10807
-panic10806:
-  call void @finch_panic(ptr @.str.7056, i64 415, ptr @.str.7057)
+  br i1 %t103, label %panic11340, label %ok11341
+panic11340:
+  call void @finch_panic(ptr @.str.7271, i64 415, ptr @.str.7272)
   unreachable
-ok10807:
+ok11341:
   %t104 = getelementptr inbounds %S.json.Reader, ptr %t102, i32 0, i32 1
   %t105 = load i64, ptr %t104
   %t106 = load { ptr, i64, i64 }, ptr %t101
   %t107 = extractvalue { ptr, i64, i64 } %t106, 1
   %t108 = icmp uge i64 %t105, %t107
-  br i1 %t108, label %range10808, label %inrange10809
-range10808:
-  call void @finch_panic_index(ptr @.str.7058, i64 415, i64 %t105, i64 %t107)
+  br i1 %t108, label %range11342, label %inrange11343
+range11342:
+  call void @finch_panic_index(ptr @.str.7273, i64 415, i64 %t105, i64 %t107)
   unreachable
-inrange10809:
+inrange11343:
   %t109 = extractvalue { ptr, i64, i64 } %t106, 0
   %t110 = getelementptr inbounds i8, ptr %t109, i64 %t105
   %t111 = load i8, ptr %t110
   %t112 = icmp eq i8 %t111, 43
-  br label %logic.rend10810
-logic.rend10810:
-  br label %logic.end10803
-logic.end10803:
-  %t113 = phi i1 [ true, %logic.from10801 ], [ %t112, %logic.rend10810 ]
-  br label %logic.from10811
-logic.from10811:
-  br i1 %t113, label %logic.end10813, label %logic.rhs10812
-logic.rhs10812:
+  br label %logic.rend11344
+logic.rend11344:
+  br label %logic.end11337
+logic.end11337:
+  %t113 = phi i1 [ true, %logic.from11335 ], [ %t112, %logic.rend11344 ]
+  br label %logic.from11345
+logic.from11345:
+  br i1 %t113, label %logic.end11347, label %logic.rhs11346
+logic.rhs11346:
   %t114 = load ptr, ptr %a1
   %t115 = icmp eq ptr %t114, null
-  br i1 %t115, label %panic10814, label %ok10815
-panic10814:
-  call void @finch_panic(ptr @.str.7059, i64 415, ptr @.str.7060)
+  br i1 %t115, label %panic11348, label %ok11349
+panic11348:
+  call void @finch_panic(ptr @.str.7274, i64 415, ptr @.str.7275)
   unreachable
-ok10815:
+ok11349:
   %t116 = getelementptr inbounds %S.json.Reader, ptr %t114, i32 0, i32 0
   %t117 = load ptr, ptr %a1
   %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic10816, label %ok10817
-panic10816:
-  call void @finch_panic(ptr @.str.7061, i64 415, ptr @.str.7062)
+  br i1 %t118, label %panic11350, label %ok11351
+panic11350:
+  call void @finch_panic(ptr @.str.7276, i64 415, ptr @.str.7277)
   unreachable
-ok10817:
+ok11351:
   %t119 = getelementptr inbounds %S.json.Reader, ptr %t117, i32 0, i32 1
   %t120 = load i64, ptr %t119
   %t121 = load { ptr, i64, i64 }, ptr %t116
   %t122 = extractvalue { ptr, i64, i64 } %t121, 1
   %t123 = icmp uge i64 %t120, %t122
-  br i1 %t123, label %range10818, label %inrange10819
-range10818:
-  call void @finch_panic_index(ptr @.str.7063, i64 415, i64 %t120, i64 %t122)
+  br i1 %t123, label %range11352, label %inrange11353
+range11352:
+  call void @finch_panic_index(ptr @.str.7278, i64 415, i64 %t120, i64 %t122)
   unreachable
-inrange10819:
+inrange11353:
   %t124 = extractvalue { ptr, i64, i64 } %t121, 0
   %t125 = getelementptr inbounds i8, ptr %t124, i64 %t120
   %t126 = load i8, ptr %t125
   %t127 = icmp eq i8 %t126, 45
-  br label %logic.rend10820
-logic.rend10820:
-  br label %logic.end10813
-logic.end10813:
-  %t128 = phi i1 [ true, %logic.from10811 ], [ %t127, %logic.rend10820 ]
-  br label %logic.rend10821
-logic.rend10821:
-  br label %logic.end10754
-logic.end10754:
-  %t129 = phi i1 [ false, %logic.from10752 ], [ %t128, %logic.rend10821 ]
-  br i1 %t129, label %while.body10746, label %while.end10747
-while.body10746:
+  br label %logic.rend11354
+logic.rend11354:
+  br label %logic.end11347
+logic.end11347:
+  %t128 = phi i1 [ true, %logic.from11345 ], [ %t127, %logic.rend11354 ]
+  br label %logic.rend11355
+logic.rend11355:
+  br label %logic.end11288
+logic.end11288:
+  %t129 = phi i1 [ false, %logic.from11286 ], [ %t128, %logic.rend11355 ]
+  br i1 %t129, label %while.body11280, label %while.end11281
+while.body11280:
   %t130 = load ptr, ptr %a1
   %t131 = icmp eq ptr %t130, null
-  br i1 %t131, label %panic10822, label %ok10823
-panic10822:
-  call void @finch_panic(ptr @.str.7064, i64 416, ptr @.str.7065)
+  br i1 %t131, label %panic11356, label %ok11357
+panic11356:
+  call void @finch_panic(ptr @.str.7279, i64 416, ptr @.str.7280)
   unreachable
-ok10823:
+ok11357:
   %t132 = getelementptr inbounds %S.json.Reader, ptr %t130, i32 0, i32 1
   %t133 = load i64, ptr %t132
   %t134 = add i64 %t133, 1
   store i64 %t134, ptr %t132
-  br label %while.cond10745
-while.end10747:
+  br label %while.cond11279
+while.end11281:
   %t135 = load ptr, ptr %a1
   %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic10824, label %ok10825
-panic10824:
-  call void @finch_panic(ptr @.str.7066, i64 418, ptr @.str.7067)
+  br i1 %t136, label %panic11358, label %ok11359
+panic11358:
+  call void @finch_panic(ptr @.str.7281, i64 418, ptr @.str.7282)
   unreachable
-ok10825:
+ok11359:
   %t137 = getelementptr inbounds %S.json.Reader, ptr %t135, i32 0, i32 0
   %t138 = load { ptr, i64, i64 }, ptr %t137
   store { ptr, i64, i64 } %t138, ptr %a139
   %t141 = load i64, ptr %a6
   %t142 = load ptr, ptr %a1
   %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic10826, label %ok10827
-panic10826:
-  call void @finch_panic(ptr @.str.7069, i64 418, ptr @.str.7070)
+  br i1 %t143, label %panic11360, label %ok11361
+panic11360:
+  call void @finch_panic(ptr @.str.7284, i64 418, ptr @.str.7285)
   unreachable
-ok10827:
+ok11361:
   %t144 = getelementptr inbounds %S.json.Reader, ptr %t142, i32 0, i32 1
   %t145 = load i64, ptr %t144
-  call void @finch_str_sub(ptr %a140, ptr %a139, i64 %t141, i64 %t145, ptr @.str.7068, i64 418)
+  call void @finch_str_sub(ptr %a140, ptr %a139, i64 %t141, i64 %t145, ptr @.str.7283, i64 418)
   %t146 = load { ptr, i64, i64 }, ptr %a140
   store { ptr, i64, i64 } zeroinitializer, ptr %a147
   store double 0.0, ptr %a148
@@ -94525,31 +112624,34 @@ ok10827:
   %t150 = call i32 @finch_str_try_float(ptr %a149, ptr %a148, ptr %a147)
   %t151 = icmp eq i32 %t150, 0
   %t152 = load { ptr, i64, i64 }, ptr %a147
-  %t153 = load double, ptr %a148
-  br i1 %t151, label %or.failed10828, label %or.ok10829
-or.failed10828:
-  store { ptr, i64, i64 } %t152, ptr %a154
-  %t155 = load i64, ptr %a6
-  %t156 = load ptr, ptr %a1
-  %t157 = icmp eq ptr %t156, null
-  br i1 %t157, label %panic10830, label %ok10831
-panic10830:
-  call void @finch_panic(ptr @.str.7071, i64 419, ptr @.str.7072)
+  store { ptr, i64, i64 } %t146, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load double, ptr %a148
+  br i1 %t151, label %or.failed11362, label %or.ok11363
+or.failed11362:
+  store { ptr, i64, i64 } %t152, ptr %a155
+  %t156 = load i64, ptr %a6
+  %t157 = load ptr, ptr %a1
+  %t158 = icmp eq ptr %t157, null
+  br i1 %t158, label %panic11364, label %ok11365
+panic11364:
+  call void @finch_panic(ptr @.str.7286, i64 419, ptr @.str.7287)
   unreachable
-ok10831:
-  %t158 = getelementptr inbounds %S.json.Reader, ptr %t156, i32 0, i32 1
-  store i64 %t155, ptr %t158
-  %t159 = load ptr, ptr %a1
-  %t160 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t159, { ptr, i64, i64 } { ptr @.str.7073, i64 8, i64 0 })
-  %t161 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t160, 2
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t161
-or.ok10829:
-  store double %t153, ptr %a162
-  %t163 = load double, ptr %a162
-  %t164 = call %S.json.Json @finch.json.new_number(double %t163)
-  %t165 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t166 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t165, %S.json.Json %t164, 1
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t166
+ok11365:
+  %t159 = getelementptr inbounds %S.json.Reader, ptr %t157, i32 0, i32 1
+  store i64 %t156, ptr %t159
+  %t160 = load ptr, ptr %a1
+  %t161 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t160, { ptr, i64, i64 } { ptr @.str.7288, i64 8, i64 0 })
+  call void @finch_str_drop(ptr %a155)
+  %t162 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t161, 2
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t162
+or.ok11363:
+  store double %t154, ptr %a163
+  %t164 = load double, ptr %a163
+  %t165 = call %S.json.Json @finch.json.new_number(double %t164)
+  %t166 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t167 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t166, %S.json.Json %t165, 1
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t167
 }
 
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_value(ptr %p0) {
@@ -94570,44 +112672,44 @@ entry:
   store i8 %t4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10832, label %ok10833
-panic10832:
-  call void @finch_panic(ptr @.str.7074, i64 428, ptr @.str.7075)
+  br i1 %t7, label %panic11366, label %ok11367
+panic11366:
+  call void @finch_panic(ptr @.str.7289, i64 428, ptr @.str.7290)
   unreachable
-ok10833:
+ok11367:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic10834, label %ok10835
-panic10834:
-  call void @finch_panic(ptr @.str.7076, i64 428, ptr @.str.7077)
+  br i1 %t11, label %panic11368, label %ok11369
+panic11368:
+  call void @finch_panic(ptr @.str.7291, i64 428, ptr @.str.7292)
   unreachable
-ok10835:
+ok11369:
   %t12 = getelementptr inbounds %S.json.Reader, ptr %t10, i32 0, i32 0
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sge i64 %t9, %t14
-  br i1 %t15, label %then10836, label %endif10838
-then10836:
+  br i1 %t15, label %then11370, label %endif11372
+then11370:
   %t16 = load ptr, ptr %a1
-  %t17 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t16, { ptr, i64, i64 } { ptr @.str.7078, i64 7, i64 0 })
+  %t17 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t16, { ptr, i64, i64 } { ptr @.str.7293, i64 7, i64 0 })
   %t18 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t17, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t18
-endif10838:
+endif11372:
   %t19 = load i8, ptr %a5
   %t20 = icmp eq i8 %t19, 123
-  br i1 %t20, label %then10839, label %endif10841
-then10839:
+  br i1 %t20, label %then11373, label %endif11375
+then11373:
   %t21 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t21, ptr %a22
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic10842, label %ok10843
-panic10842:
-  call void @finch_panic(ptr @.str.7079, i64 433, ptr @.str.7080)
+  br i1 %t24, label %panic11376, label %ok11377
+panic11376:
+  call void @finch_panic(ptr @.str.7294, i64 433, ptr @.str.7295)
   unreachable
-ok10843:
+ok11377:
   %t25 = getelementptr inbounds %S.json.Reader, ptr %t23, i32 0, i32 1
   %t26 = load i64, ptr %t25
   %t27 = add i64 %t26, 1
@@ -94617,15 +112719,15 @@ ok10843:
   %t29 = load ptr, ptr %a1
   %t30 = call i8 @finch.json.peek(ptr %t29)
   %t31 = icmp eq i8 %t30, 125
-  br i1 %t31, label %then10844, label %endif10846
-then10844:
+  br i1 %t31, label %then11378, label %endif11380
+then11378:
   %t32 = load ptr, ptr %a1
   %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic10847, label %ok10848
-panic10847:
-  call void @finch_panic(ptr @.str.7081, i64 436, ptr @.str.7082)
+  br i1 %t33, label %panic11381, label %ok11382
+panic11381:
+  call void @finch_panic(ptr @.str.7296, i64 436, ptr @.str.7297)
   unreachable
-ok10848:
+ok11382:
   %t34 = getelementptr inbounds %S.json.Reader, ptr %t32, i32 0, i32 1
   %t35 = load i64, ptr %t34
   %t36 = add i64 %t35, 1
@@ -94634,54 +112736,58 @@ ok10848:
   %t38 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t39 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t38, %S.json.Json %t37, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t39
-endif10846:
-  br label %while.cond10849
-while.cond10849:
-  br label %while.body10850
-while.body10850:
+endif11380:
+  br label %while.cond11383
+while.cond11383:
+  br label %while.body11384
+while.body11384:
   %t40 = load ptr, ptr %a1
   call void @finch.json.skip_space(ptr %t40)
   %t41 = load ptr, ptr %a1
   %t42 = call i8 @finch.json.peek(ptr %t41)
   %t43 = icmp ne i8 %t42, 34
-  br i1 %t43, label %then10852, label %endif10854
-then10852:
+  br i1 %t43, label %then11386, label %endif11388
+then11386:
   %t44 = load ptr, ptr %a1
-  %t45 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t44, { ptr, i64, i64 } { ptr @.str.7083, i64 15, i64 0 })
+  %t45 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t44, { ptr, i64, i64 } { ptr @.str.7298, i64 15, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t46 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t45, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t46
-endif10854:
+endif11388:
   %t47 = load ptr, ptr %a1
   %t48 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.json.read_string(ptr %t47)
   %t49 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t48, 0
   %t50 = xor i1 %t49, true
   %t51 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t48, 2
   %t52 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t48, 1
-  br i1 %t50, label %try.failed10855, label %try.ok10856
-try.failed10855:
+  br i1 %t50, label %try.failed11389, label %try.ok11390
+try.failed11389:
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t53 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t51, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t53
-try.ok10856:
+try.ok11390:
   store { ptr, i64, i64 } %t52, ptr %a54
   %t55 = load ptr, ptr %a1
   call void @finch.json.skip_space(ptr %t55)
   %t56 = load ptr, ptr %a1
   %t57 = call i8 @finch.json.peek(ptr %t56)
   %t58 = icmp ne i8 %t57, 58
-  br i1 %t58, label %then10857, label %endif10859
-then10857:
+  br i1 %t58, label %then11391, label %endif11393
+then11391:
   %t59 = load ptr, ptr %a1
-  %t60 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t59, { ptr, i64, i64 } { ptr @.str.7084, i64 3, i64 0 })
+  %t60 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t59, { ptr, i64, i64 } { ptr @.str.7299, i64 3, i64 0 })
+  call void @finch_str_drop(ptr %a54)
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t61 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t60, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t61
-endif10859:
+endif11393:
   %t62 = load ptr, ptr %a1
   %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic10860, label %ok10861
-panic10860:
-  call void @finch_panic(ptr @.str.7085, i64 449, ptr @.str.7086)
+  br i1 %t63, label %panic11394, label %ok11395
+panic11394:
+  call void @finch_panic(ptr @.str.7300, i64 449, ptr @.str.7301)
   unreachable
-ok10861:
+ok11395:
   %t64 = getelementptr inbounds %S.json.Reader, ptr %t62, i32 0, i32 1
   %t65 = load i64, ptr %t64
   %t66 = add i64 %t65, 1
@@ -94692,11 +112798,13 @@ ok10861:
   %t70 = xor i1 %t69, true
   %t71 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t68, 2
   %t72 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t68, 1
-  br i1 %t70, label %try.failed10862, label %try.ok10863
-try.failed10862:
+  br i1 %t70, label %try.failed11396, label %try.ok11397
+try.failed11396:
+  call void @finch_str_drop(ptr %a54)
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t73 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t71, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t73
-try.ok10863:
+try.ok11397:
   store %S.json.Json %t72, ptr %a74
   %t75 = load { ptr, i64, i64 }, ptr %a54
   %t76 = load %S.json.Json, ptr %a74
@@ -94706,60 +112814,67 @@ try.ok10863:
   %t78 = load ptr, ptr %a1
   %t79 = call i8 @finch.json.peek(ptr %t78)
   %t80 = icmp eq i8 %t79, 44
-  br i1 %t80, label %then10864, label %endif10866
-then10864:
+  br i1 %t80, label %then11398, label %endif11400
+then11398:
   %t81 = load ptr, ptr %a1
   %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic10867, label %ok10868
-panic10867:
-  call void @finch_panic(ptr @.str.7087, i64 454, ptr @.str.7088)
+  br i1 %t82, label %panic11401, label %ok11402
+panic11401:
+  call void @finch_panic(ptr @.str.7302, i64 454, ptr @.str.7303)
   unreachable
-ok10868:
+ok11402:
   %t83 = getelementptr inbounds %S.json.Reader, ptr %t81, i32 0, i32 1
   %t84 = load i64, ptr %t83
   %t85 = add i64 %t84, 1
   store i64 %t85, ptr %t83
-  br label %while.cond10849
-endif10866:
+  call void @finch.drop.S_json_Json(ptr %a74)
+  call void @finch_str_drop(ptr %a54)
+  br label %while.cond11383
+endif11400:
   %t86 = load ptr, ptr %a1
   %t87 = call i8 @finch.json.peek(ptr %t86)
   %t88 = icmp eq i8 %t87, 125
-  br i1 %t88, label %then10869, label %endif10871
-then10869:
+  br i1 %t88, label %then11403, label %endif11405
+then11403:
   %t89 = load ptr, ptr %a1
   %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic10872, label %ok10873
-panic10872:
-  call void @finch_panic(ptr @.str.7089, i64 458, ptr @.str.7090)
+  br i1 %t90, label %panic11406, label %ok11407
+panic11406:
+  call void @finch_panic(ptr @.str.7304, i64 458, ptr @.str.7305)
   unreachable
-ok10873:
+ok11407:
   %t91 = getelementptr inbounds %S.json.Reader, ptr %t89, i32 0, i32 1
   %t92 = load i64, ptr %t91
   %t93 = add i64 %t92, 1
   store i64 %t93, ptr %t91
   %t94 = load %S.json.Json, ptr %a22
+  call void @finch.drop.S_json_Json(ptr %a74)
+  call void @finch_str_drop(ptr %a54)
   %t95 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t96 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t95, %S.json.Json %t94, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t96
-endif10871:
+endif11405:
   %t97 = load ptr, ptr %a1
-  %t98 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t97, { ptr, i64, i64 } { ptr @.str.7091, i64 10, i64 0 })
+  %t98 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t97, { ptr, i64, i64 } { ptr @.str.7306, i64 10, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a74)
+  call void @finch_str_drop(ptr %a54)
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t99 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t98, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t99
-endif10841:
+endif11375:
   %t100 = load i8, ptr %a5
   %t101 = icmp eq i8 %t100, 91
-  br i1 %t101, label %then10874, label %endif10876
-then10874:
+  br i1 %t101, label %then11408, label %endif11410
+then11408:
   %t102 = call %S.json.Json @finch.json.new_list()
   store %S.json.Json %t102, ptr %a103
   %t104 = load ptr, ptr %a1
   %t105 = icmp eq ptr %t104, null
-  br i1 %t105, label %panic10877, label %ok10878
-panic10877:
-  call void @finch_panic(ptr @.str.7092, i64 466, ptr @.str.7093)
+  br i1 %t105, label %panic11411, label %ok11412
+panic11411:
+  call void @finch_panic(ptr @.str.7307, i64 466, ptr @.str.7308)
   unreachable
-ok10878:
+ok11412:
   %t106 = getelementptr inbounds %S.json.Reader, ptr %t104, i32 0, i32 1
   %t107 = load i64, ptr %t106
   %t108 = add i64 %t107, 1
@@ -94769,15 +112884,15 @@ ok10878:
   %t110 = load ptr, ptr %a1
   %t111 = call i8 @finch.json.peek(ptr %t110)
   %t112 = icmp eq i8 %t111, 93
-  br i1 %t112, label %then10879, label %endif10881
-then10879:
+  br i1 %t112, label %then11413, label %endif11415
+then11413:
   %t113 = load ptr, ptr %a1
   %t114 = icmp eq ptr %t113, null
-  br i1 %t114, label %panic10882, label %ok10883
-panic10882:
-  call void @finch_panic(ptr @.str.7094, i64 469, ptr @.str.7095)
+  br i1 %t114, label %panic11416, label %ok11417
+panic11416:
+  call void @finch_panic(ptr @.str.7309, i64 469, ptr @.str.7310)
   unreachable
-ok10883:
+ok11417:
   %t115 = getelementptr inbounds %S.json.Reader, ptr %t113, i32 0, i32 1
   %t116 = load i64, ptr %t115
   %t117 = add i64 %t116, 1
@@ -94786,22 +112901,23 @@ ok10883:
   %t119 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t120 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t119, %S.json.Json %t118, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t120
-endif10881:
-  br label %while.cond10884
-while.cond10884:
-  br label %while.body10885
-while.body10885:
+endif11415:
+  br label %while.cond11418
+while.cond11418:
+  br label %while.body11419
+while.body11419:
   %t121 = load ptr, ptr %a1
   %t122 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_value(ptr %t121)
   %t123 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t122, 0
   %t124 = xor i1 %t123, true
   %t125 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t122, 2
   %t126 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t122, 1
-  br i1 %t124, label %try.failed10887, label %try.ok10888
-try.failed10887:
+  br i1 %t124, label %try.failed11421, label %try.ok11422
+try.failed11421:
+  call void @finch.drop.S_json_Json(ptr %a103)
   %t127 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t125, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t127
-try.ok10888:
+try.ok11422:
   store %S.json.Json %t126, ptr %a128
   %t129 = load %S.json.Json, ptr %a128
   call void @finch.json.Json.push(ptr %a103, %S.json.Json %t129)
@@ -94810,173 +112926,186 @@ try.ok10888:
   %t131 = load ptr, ptr %a1
   %t132 = call i8 @finch.json.peek(ptr %t131)
   %t133 = icmp eq i8 %t132, 44
-  br i1 %t133, label %then10889, label %endif10891
-then10889:
+  br i1 %t133, label %then11423, label %endif11425
+then11423:
   %t134 = load ptr, ptr %a1
   %t135 = icmp eq ptr %t134, null
-  br i1 %t135, label %panic10892, label %ok10893
-panic10892:
-  call void @finch_panic(ptr @.str.7096, i64 477, ptr @.str.7097)
+  br i1 %t135, label %panic11426, label %ok11427
+panic11426:
+  call void @finch_panic(ptr @.str.7311, i64 477, ptr @.str.7312)
   unreachable
-ok10893:
+ok11427:
   %t136 = getelementptr inbounds %S.json.Reader, ptr %t134, i32 0, i32 1
   %t137 = load i64, ptr %t136
   %t138 = add i64 %t137, 1
   store i64 %t138, ptr %t136
-  br label %while.cond10884
-endif10891:
+  call void @finch.drop.S_json_Json(ptr %a128)
+  br label %while.cond11418
+endif11425:
   %t139 = load ptr, ptr %a1
   %t140 = call i8 @finch.json.peek(ptr %t139)
   %t141 = icmp eq i8 %t140, 93
-  br i1 %t141, label %then10894, label %endif10896
-then10894:
+  br i1 %t141, label %then11428, label %endif11430
+then11428:
   %t142 = load ptr, ptr %a1
   %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic10897, label %ok10898
-panic10897:
-  call void @finch_panic(ptr @.str.7098, i64 481, ptr @.str.7099)
+  br i1 %t143, label %panic11431, label %ok11432
+panic11431:
+  call void @finch_panic(ptr @.str.7313, i64 481, ptr @.str.7314)
   unreachable
-ok10898:
+ok11432:
   %t144 = getelementptr inbounds %S.json.Reader, ptr %t142, i32 0, i32 1
   %t145 = load i64, ptr %t144
   %t146 = add i64 %t145, 1
   store i64 %t146, ptr %t144
   %t147 = load %S.json.Json, ptr %a103
+  call void @finch.drop.S_json_Json(ptr %a128)
   %t148 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t149 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t148, %S.json.Json %t147, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t149
-endif10896:
+endif11430:
   %t150 = load ptr, ptr %a1
-  %t151 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t150, { ptr, i64, i64 } { ptr @.str.7100, i64 10, i64 0 })
+  %t151 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t150, { ptr, i64, i64 } { ptr @.str.7315, i64 10, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a128)
+  call void @finch.drop.S_json_Json(ptr %a103)
   %t152 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t151, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t152
-endif10876:
+endif11410:
   %t153 = load i8, ptr %a5
   %t154 = icmp eq i8 %t153, 34
-  br i1 %t154, label %then10899, label %endif10901
-then10899:
+  br i1 %t154, label %then11433, label %endif11435
+then11433:
   %t155 = load ptr, ptr %a1
   %t156 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.json.read_string(ptr %t155)
   %t157 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t156, 0
   %t158 = xor i1 %t157, true
   %t159 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t156, 2
   %t160 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t156, 1
-  br i1 %t158, label %try.failed10902, label %try.ok10903
-try.failed10902:
+  br i1 %t158, label %try.failed11436, label %try.ok11437
+try.failed11436:
   %t161 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t159, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t161
-try.ok10903:
+try.ok11437:
   store { ptr, i64, i64 } %t160, ptr %a162
   %t163 = load { ptr, i64, i64 }, ptr %a162
   %t164 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t163)
+  call void @finch_str_drop(ptr %a162)
   %t165 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t166 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t165, %S.json.Json %t164, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t166
-endif10901:
+endif11435:
   %t167 = load i8, ptr %a5
   %t168 = icmp eq i8 %t167, 116
-  br i1 %t168, label %then10904, label %endif10906
-then10904:
+  br i1 %t168, label %then11438, label %endif11440
+then11438:
   %t169 = load ptr, ptr %a1
-  %t170 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t169, { ptr, i64, i64 } { ptr @.str.7101, i64 4, i64 0 })
+  %t170 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t169, { ptr, i64, i64 } { ptr @.str.7316, i64 4, i64 0 })
   %t171 = extractvalue { i1, i8, { ptr, i64, i64 } } %t170, 0
   %t172 = xor i1 %t171, true
   %t173 = extractvalue { i1, i8, { ptr, i64, i64 } } %t170, 2
-  br i1 %t172, label %try.failed10907, label %try.ok10908
-try.failed10907:
+  br i1 %t172, label %try.failed11441, label %try.ok11442
+try.failed11441:
   %t174 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t173, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t174
-try.ok10908:
+try.ok11442:
   %t175 = call %S.json.Json @finch.json.new_bool(i1 true)
   %t176 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t177 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t176, %S.json.Json %t175, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t177
-endif10906:
+endif11440:
   %t178 = load i8, ptr %a5
   %t179 = icmp eq i8 %t178, 102
-  br i1 %t179, label %then10909, label %endif10911
-then10909:
+  br i1 %t179, label %then11443, label %endif11445
+then11443:
   %t180 = load ptr, ptr %a1
-  %t181 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t180, { ptr, i64, i64 } { ptr @.str.7102, i64 5, i64 0 })
+  %t181 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t180, { ptr, i64, i64 } { ptr @.str.7317, i64 5, i64 0 })
   %t182 = extractvalue { i1, i8, { ptr, i64, i64 } } %t181, 0
   %t183 = xor i1 %t182, true
   %t184 = extractvalue { i1, i8, { ptr, i64, i64 } } %t181, 2
-  br i1 %t183, label %try.failed10912, label %try.ok10913
-try.failed10912:
+  br i1 %t183, label %try.failed11446, label %try.ok11447
+try.failed11446:
   %t185 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t184, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t185
-try.ok10913:
+try.ok11447:
   %t186 = call %S.json.Json @finch.json.new_bool(i1 false)
   %t187 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t188 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t187, %S.json.Json %t186, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t188
-endif10911:
+endif11445:
   %t189 = load i8, ptr %a5
   %t190 = icmp eq i8 %t189, 110
-  br i1 %t190, label %then10914, label %endif10916
-then10914:
+  br i1 %t190, label %then11448, label %endif11450
+then11448:
   %t191 = load ptr, ptr %a1
-  %t192 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t191, { ptr, i64, i64 } { ptr @.str.7103, i64 4, i64 0 })
+  %t192 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t191, { ptr, i64, i64 } { ptr @.str.7318, i64 4, i64 0 })
   %t193 = extractvalue { i1, i8, { ptr, i64, i64 } } %t192, 0
   %t194 = xor i1 %t193, true
   %t195 = extractvalue { i1, i8, { ptr, i64, i64 } } %t192, 2
-  br i1 %t194, label %try.failed10917, label %try.ok10918
-try.failed10917:
+  br i1 %t194, label %try.failed11451, label %try.ok11452
+try.failed11451:
   %t196 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t195, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t196
-try.ok10918:
+try.ok11452:
   %t197 = call %S.json.Json @finch.json.new_null()
   %t198 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t199 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t198, %S.json.Json %t197, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t199
-endif10916:
+endif11450:
   %t200 = load i8, ptr %a5
   %t201 = icmp eq i8 %t200, 45
-  br label %logic.from10919
-logic.from10919:
-  br i1 %t201, label %logic.end10921, label %logic.rhs10920
-logic.rhs10920:
+  br label %logic.from11453
+logic.from11453:
+  br i1 %t201, label %logic.end11455, label %logic.rhs11454
+logic.rhs11454:
   %t202 = load i8, ptr %a5
   %t203 = icmp uge i8 %t202, 48
-  br label %logic.from10922
-logic.from10922:
-  br i1 %t203, label %logic.rhs10923, label %logic.end10924
-logic.rhs10923:
+  br label %logic.from11456
+logic.from11456:
+  br i1 %t203, label %logic.rhs11457, label %logic.end11458
+logic.rhs11457:
   %t204 = load i8, ptr %a5
   %t205 = icmp ule i8 %t204, 57
-  br label %logic.rend10925
-logic.rend10925:
-  br label %logic.end10924
-logic.end10924:
-  %t206 = phi i1 [ false, %logic.from10922 ], [ %t205, %logic.rend10925 ]
-  br label %logic.rend10926
-logic.rend10926:
-  br label %logic.end10921
-logic.end10921:
-  %t207 = phi i1 [ true, %logic.from10919 ], [ %t206, %logic.rend10926 ]
-  br i1 %t207, label %then10927, label %endif10929
-then10927:
+  br label %logic.rend11459
+logic.rend11459:
+  br label %logic.end11458
+logic.end11458:
+  %t206 = phi i1 [ false, %logic.from11456 ], [ %t205, %logic.rend11459 ]
+  br label %logic.rend11460
+logic.rend11460:
+  br label %logic.end11455
+logic.end11455:
+  %t207 = phi i1 [ true, %logic.from11453 ], [ %t206, %logic.rend11460 ]
+  br i1 %t207, label %then11461, label %endif11463
+then11461:
   %t208 = load ptr, ptr %a1
   %t209 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_number(ptr %t208)
   %t210 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t209, 0
   %t211 = xor i1 %t210, true
   %t212 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t209, 2
   %t213 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t209, 1
-  br i1 %t211, label %try.failed10930, label %try.ok10931
-try.failed10930:
+  br i1 %t211, label %try.failed11464, label %try.ok11465
+try.failed11464:
   %t214 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t212, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t214
-try.ok10931:
+try.ok11465:
   %t215 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t216 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t215, %S.json.Json %t213, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t216
-endif10929:
+endif11463:
   %t217 = load ptr, ptr %a1
-  %t218 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t217, { ptr, i64, i64 } { ptr @.str.7104, i64 7, i64 0 })
+  %t218 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t217, { ptr, i64, i64 } { ptr @.str.7319, i64 7, i64 0 })
   %t219 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t218, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t219
 }
 
+define internal void @finch.drop.S_json_Reader(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.json.Reader, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  ret void
+}
+
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.parse({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -94984,8 +113113,6 @@ entry:
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca %S.json.Reader, align 16
   %a14 = alloca %S.json.Json, align 16
-  %a24 = alloca %S.json.Json, align 16
-  %a25 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -94998,11 +113125,12 @@ entry:
   %t10 = xor i1 %t9, true
   %t11 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t8, 2
   %t12 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t8, 1
-  br i1 %t10, label %try.failed10932, label %try.ok10933
-try.failed10932:
+  br i1 %t10, label %try.failed11466, label %try.ok11467
+try.failed11466:
+  call void @finch.drop.S_json_Reader(ptr %a7)
   %t13 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t11, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t13
-try.ok10933:
+try.ok11467:
   store %S.json.Json %t12, ptr %a14
   call void @finch.json.skip_space(ptr %a7)
   %t15 = getelementptr inbounds %S.json.Reader, ptr %a7, i32 0, i32 1
@@ -95011,19 +113139,163 @@ try.ok10933:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp slt i64 %t16, %t19
-  br i1 %t20, label %then10934, label %endif10936
-then10934:
-  %t21 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %a7, { ptr, i64, i64 } { ptr @.str.7105, i64 19, i64 0 })
+  br i1 %t20, label %then11468, label %endif11470
+then11468:
+  %t21 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %a7, { ptr, i64, i64 } { ptr @.str.7320, i64 19, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a14)
+  call void @finch.drop.S_json_Reader(ptr %a7)
   %t22 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t21, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t22
-endif10936:
+endif11470:
   %t23 = load %S.json.Json, ptr %a14
-  store %S.json.Json %t23, ptr %a24
-  call void @finch.copy.S_json_Json(ptr %a25, ptr %a24)
-  %t26 = load %S.json.Json, ptr %a25
-  %t27 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t28 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t27, %S.json.Json %t26, 1
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t28
+  call void @finch.drop.S_json_Reader(ptr %a7)
+  %t24 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t25 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, %S.json.Json %t23, 1
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t25
+}
+
+define internal { ptr, i64, i64 } @finch.embedded.names() {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  %t4 = add i64 %t3, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t4, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t5 = load ptr, ptr %a1
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 %t3
+  store { ptr, i64, i64 } { ptr @.str.7321, i64 18, i64 0 }, ptr %t6
+  store i64 %t4, ptr %t2
+  %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t8 = load i64, ptr %t7
+  %t9 = add i64 %t8, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t9, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t10 = load ptr, ptr %a1
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t8
+  store { ptr, i64, i64 } { ptr @.str.7322, i64 12, i64 0 }, ptr %t11
+  store i64 %t9, ptr %t7
+  %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t13 = load i64, ptr %t12
+  %t14 = add i64 %t13, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t14, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 %t13
+  store { ptr, i64, i64 } { ptr @.str.7323, i64 12, i64 0 }, ptr %t16
+  store i64 %t14, ptr %t12
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  %t19 = add i64 %t18, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t19, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t20 = load ptr, ptr %a1
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i64 %t18
+  store { ptr, i64, i64 } { ptr @.str.7324, i64 12, i64 0 }, ptr %t21
+  store i64 %t19, ptr %t17
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = add i64 %t23, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t24, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t25 = load ptr, ptr %a1
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i64 %t23
+  store { ptr, i64, i64 } { ptr @.str.7325, i64 20, i64 0 }, ptr %t26
+  store i64 %t24, ptr %t22
+  %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t28 = load i64, ptr %t27
+  %t29 = add i64 %t28, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t30 = load ptr, ptr %a1
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
+  store { ptr, i64, i64 } { ptr @.str.7326, i64 12, i64 0 }, ptr %t31
+  store i64 %t29, ptr %t27
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = add i64 %t33, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t34, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t35 = load ptr, ptr %a1
+  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i64 %t33
+  store { ptr, i64, i64 } { ptr @.str.7327, i64 20, i64 0 }, ptr %t36
+  store i64 %t34, ptr %t32
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t38 = load i64, ptr %t37
+  %t39 = add i64 %t38, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t39, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t40 = load ptr, ptr %a1
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t38
+  store { ptr, i64, i64 } { ptr @.str.7328, i64 15, i64 0 }, ptr %t41
+  store i64 %t39, ptr %t37
+  %t42 = load { ptr, i64, i64 }, ptr %a1
+  ret { ptr, i64, i64 } %t42
+}
+
+define internal { ptr, i64, i64 } @finch.embedded.texts() {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  %t4 = add i64 %t3, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t4, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t5 = load ptr, ptr %a1
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 %t3
+  store { ptr, i64, i64 } { ptr @.str.7329, i64 24981, i64 0 }, ptr %t6
+  store i64 %t4, ptr %t2
+  %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t8 = load i64, ptr %t7
+  %t9 = add i64 %t8, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t9, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t10 = load ptr, ptr %a1
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t8
+  store { ptr, i64, i64 } { ptr @.str.7330, i64 12884, i64 0 }, ptr %t11
+  store i64 %t9, ptr %t7
+  %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t13 = load i64, ptr %t12
+  %t14 = add i64 %t13, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t14, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 %t13
+  store { ptr, i64, i64 } { ptr @.str.7331, i64 2846, i64 0 }, ptr %t16
+  store i64 %t14, ptr %t12
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  %t19 = add i64 %t18, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t19, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t20 = load ptr, ptr %a1
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i64 %t18
+  store { ptr, i64, i64 } { ptr @.str.7332, i64 1406, i64 0 }, ptr %t21
+  store i64 %t19, ptr %t17
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = add i64 %t23, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t24, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t25 = load ptr, ptr %a1
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i64 %t23
+  store { ptr, i64, i64 } { ptr @.str.7333, i64 995, i64 0 }, ptr %t26
+  store i64 %t24, ptr %t22
+  %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t28 = load i64, ptr %t27
+  %t29 = add i64 %t28, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t30 = load ptr, ptr %a1
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
+  store { ptr, i64, i64 } { ptr @.str.7334, i64 2539, i64 0 }, ptr %t31
+  store i64 %t29, ptr %t27
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = add i64 %t33, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t34, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t35 = load ptr, ptr %a1
+  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i64 %t33
+  store { ptr, i64, i64 } { ptr @.str.7335, i64 1792, i64 0 }, ptr %t36
+  store i64 %t34, ptr %t32
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t38 = load i64, ptr %t37
+  %t39 = add i64 %t38, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t39, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t40 = load ptr, ptr %a1
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t38
+  store { ptr, i64, i64 } { ptr @.str.7336, i64 365, i64 0 }, ptr %t41
+  store i64 %t39, ptr %t37
+  %t42 = load { ptr, i64, i64 }, ptr %a1
+  ret { ptr, i64, i64 } %t42
 }
 
 define i32 @main(i32 %argc, ptr %argv) {
diff --git a/bootstrap/linux-x86_64.ll b/bootstrap/linux-x86_64.ll
index 6c23a9c..d64e054 100644
--- a/bootstrap/linux-x86_64.ll
+++ b/bootstrap/linux-x86_64.ll
@@ -7,21 +7,23 @@
 %S.ast.Node = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, %S.ast.Type, i1, i1, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i64 }
 %S.ast.Program = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
 %S.parser.Parser = type { { ptr, i64, i64 }, i64, i64, i64, { ptr, i64, i64 } }
-%S.gen.Var = type { { ptr, i64, i64 }, %S.ast.Type, { ptr, i64, i64 }, i1, i64, { ptr, i64, i64 }, i64, i64 }
+%S.gen.Var = type { { ptr, i64, i64 }, %S.ast.Type, { ptr, i64, i64 }, i1, i64, i1, i1, { ptr, i64, i64 }, i64, i64 }
 %S.platform.Target = type { { ptr, i64, i64 }, i1, i1, i1, i1, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
 %S.gen.Options = type { i1, i1, i1, { ptr, i64, i64 }, %S.platform.Target }
 %S.gen.Template = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i1, i1 }
 %S.gen.Binds = type { { ptr, i64, i64 }, { ptr, i64, i64 } }
 %S.gen.EnumDef = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
-%S.gen.Scope = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
-%S.gen.Loop = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i64 }
+%S.gen.Cleanup = type { i1, i64 }
+%S.gen.Scope = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 } }
+%S.gen.Pending = type { { ptr, i64, i64 }, %S.ast.Type, i1 }
+%S.gen.Loop = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64 }
 %S.gen.FnSig = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i1, { ptr, i64, i64 }, %S.ast.Type, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64 }
 %S.gen.StructDef = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i1 }
 %S.gen.Val = type { { ptr, i64, i64 }, %S.ast.Type, i1, i1 }
 %S.gen.Place = type { { ptr, i64, i64 }, %S.ast.Type }
 %S.gen.Ref = type { i1, %S.gen.Place, %S.gen.Val }
 %S.cimport.CImports = type { { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64 } }
-%S.gen.Gen = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, %S.gen.FnSig, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, %S.cimport.CImports, i1, i1, { ptr, i64, i64 }, i1, %S.platform.Target, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i64, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i64, i64 }
+%S.gen.Gen = type { { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i1, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, %S.gen.FnSig, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i64, %S.cimport.CImports, i1, i1, { ptr, i64, i64 }, i1, %S.platform.Target, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64, i64, ptr, i64, i64 }, { ptr, i64, i64 }, i64, i64, i64, i64, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, { ptr, i64, i64 }, i1, i64, i64 }
 %S.gen.Saved = type { { ptr, i64, i64 }, { ptr, i64, i64 }, i64, i1, i64 }
 %S.gen.SizeAlign = type { i64, i64 }
 %S.gen.Fallible = type { %S.gen.Val, { ptr, i64, i64 }, { ptr, i64, i64 } }
@@ -246,271 +248,271 @@
 @.str.142 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.143 = private unnamed_addr constant [5 x i8] c"%.*s\00"
 @.str.144 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.145 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.146 = private unnamed_addr constant [8 x i8] c"version\00"
-@.str.147 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.148 = private unnamed_addr constant [10 x i8] c"--version\00"
-@.str.149 = private unnamed_addr constant [47 x i8] c"Finch 2.4.0 (the compiler is written in Finch)\00"
-@.str.150 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.151 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.152 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.153 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.154 = private unnamed_addr constant [4 x i8] c"lsp\00"
+@.str.145 = private unnamed_addr constant [8 x i8] c"/files-\00"
+@.str.146 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.147 = private unnamed_addr constant [6 x i8] c"/done\00"
+@.str.148 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.149 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.150 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.151 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.152 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.153 = private unnamed_addr constant [6 x i8] c"/done\00"
+@.str.154 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.155 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.156 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.156 = private unnamed_addr constant [8 x i8] c"version\00"
 @.str.157 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.158 = private unnamed_addr constant [6 x i8] c"build\00"
-@.str.159 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.160 = private unnamed_addr constant [3 x i8] c"ir\00"
-@.str.161 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.162 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.163 = private unnamed_addr constant [4 x i8] c"-O2\00"
-@.str.164 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.165 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.166 = private unnamed_addr constant [3 x i8] c"-o\00"
-@.str.167 = private unnamed_addr constant [6 x i8] c"build\00"
-@.str.168 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.169 = private unnamed_addr constant [9 x i8] c"--shared\00"
-@.str.170 = private unnamed_addr constant [6 x i8] c"build\00"
-@.str.171 = private unnamed_addr constant [4 x i8] c"-O0\00"
-@.str.172 = private unnamed_addr constant [4 x i8] c"-O0\00"
-@.str.173 = private unnamed_addr constant [3 x i8] c"-l\00"
+@.str.158 = private unnamed_addr constant [10 x i8] c"--version\00"
+@.str.159 = private unnamed_addr constant [47 x i8] c"Finch 2.4.0 (the compiler is written in Finch)\00"
+@.str.160 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.161 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.162 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.163 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.164 = private unnamed_addr constant [4 x i8] c"lsp\00"
+@.str.165 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.166 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.167 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.168 = private unnamed_addr constant [6 x i8] c"build\00"
+@.str.169 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.170 = private unnamed_addr constant [3 x i8] c"ir\00"
+@.str.171 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.172 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.173 = private unnamed_addr constant [4 x i8] c"-O2\00"
 @.str.174 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.175 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.176 = private unnamed_addr constant [3 x i8] c"-l\00"
-@.str.177 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.178 = private unnamed_addr constant [3 x i8] c"-I\00"
-@.str.179 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.180 = private unnamed_addr constant [10 x i8] c"--overlay\00"
-@.str.181 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.182 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.183 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.175 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.176 = private unnamed_addr constant [3 x i8] c"-o\00"
+@.str.177 = private unnamed_addr constant [6 x i8] c"build\00"
+@.str.178 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.179 = private unnamed_addr constant [9 x i8] c"--shared\00"
+@.str.180 = private unnamed_addr constant [6 x i8] c"build\00"
+@.str.181 = private unnamed_addr constant [4 x i8] c"-O0\00"
+@.str.182 = private unnamed_addr constant [4 x i8] c"-O0\00"
+@.str.183 = private unnamed_addr constant [3 x i8] c"-l\00"
 @.str.184 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
 @.str.185 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.186 = private unnamed_addr constant [3 x i8] c"-g\00"
-@.str.187 = private unnamed_addr constant [9 x i8] c"--target\00"
-@.str.188 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.189 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.190 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.191 = private unnamed_addr constant [16 x i8] c"/tmp/finch_run_\00"
-@.str.192 = private unnamed_addr constant [5 x i8] c".dll\00"
-@.str.193 = private unnamed_addr constant [4 x i8] c"lib\00"
-@.str.194 = private unnamed_addr constant [7 x i8] c".dylib\00"
-@.str.195 = private unnamed_addr constant [4 x i8] c"lib\00"
-@.str.196 = private unnamed_addr constant [4 x i8] c".so\00"
-@.str.197 = private unnamed_addr constant [6 x i8] c"linux\00"
-@.str.198 = private unnamed_addr constant [8 x i8] c"windows\00"
-@.str.199 = private unnamed_addr constant [6 x i8] c"macos\00"
-@.str.200 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.201 = private unnamed_addr constant [8 x i8] c"/../std\00"
-@.str.202 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.203 = private unnamed_addr constant [5 x i8] c"/std\00"
-@.str.204 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.205 = private unnamed_addr constant [20 x i8] c"/../share/finch/std\00"
-@.str.206 = private unnamed_addr constant [4 x i8] c"std\00"
-@.str.207 = private unnamed_addr constant [10 x i8] c"/path.fch\00"
-@.str.208 = private unnamed_addr constant [11 x i8] c"FINCH_PATH\00"
-@.str.209 = private unnamed_addr constant [1 x i8] c"\00"
-declare ptr @getenv(ptr)
-@.str.210 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.211 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.212 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.186 = private unnamed_addr constant [3 x i8] c"-l\00"
+@.str.187 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.188 = private unnamed_addr constant [3 x i8] c"-I\00"
+@.str.189 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.190 = private unnamed_addr constant [10 x i8] c"--overlay\00"
+@.str.191 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.192 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.193 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.194 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.195 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.196 = private unnamed_addr constant [3 x i8] c"-g\00"
+@.str.197 = private unnamed_addr constant [9 x i8] c"--target\00"
+@.str.198 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.199 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.200 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.201 = private unnamed_addr constant [12 x i8] c"/finch_run_\00"
+@.str.202 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.203 = private unnamed_addr constant [5 x i8] c".dll\00"
+@.str.204 = private unnamed_addr constant [4 x i8] c"lib\00"
+@.str.205 = private unnamed_addr constant [7 x i8] c".dylib\00"
+@.str.206 = private unnamed_addr constant [4 x i8] c"lib\00"
+@.str.207 = private unnamed_addr constant [4 x i8] c".so\00"
+@.str.208 = private unnamed_addr constant [6 x i8] c"linux\00"
+@.str.209 = private unnamed_addr constant [8 x i8] c"windows\00"
+@.str.210 = private unnamed_addr constant [6 x i8] c"macos\00"
+@.str.211 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.212 = private unnamed_addr constant [8 x i8] c"/../std\00"
 @.str.213 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.214 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.214 = private unnamed_addr constant [5 x i8] c"/std\00"
 @.str.215 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.216 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.217 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.218 = private unnamed_addr constant [3 x i8] c".c\00"
-@.str.219 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.220 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.221 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.222 = private unnamed_addr constant [3 x i8] c".a\00"
-@.str.223 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.224 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.225 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.226 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.227 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.228 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.229 = private unnamed_addr constant [4 x i8] c"PWD\00"
-@.str.230 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.231 = private unnamed_addr constant [3 x i8] c"ir\00"
-@.str.232 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.233 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.234 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.235 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.236 = private unnamed_addr constant [9 x i8] c"FINCH_RT\00"
-@.str.237 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.238 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.239 = private unnamed_addr constant [23 x i8] c"/../runtime/finch_rt.c\00"
-@.str.240 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.241 = private unnamed_addr constant [20 x i8] c"/runtime/finch_rt.c\00"
-@.str.242 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
-@.str.243 = private unnamed_addr constant [35 x i8] c"/../share/finch/runtime/finch_rt.c\00"
-@.str.244 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
-@.str.245 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
-@.str.246 = private unnamed_addr constant [57 x i8] c"error: can't find the Finch runtime (runtime/finch_rt.c)\00"
-@.str.247 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.248 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.249 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.250 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.251 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
-@.str.252 = private unnamed_addr constant [4 x i8] c" -g\00"
-@.str.253 = private unnamed_addr constant [4 x i8] c"run\00"
-@.str.254 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.255 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.256 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.257 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.258 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.259 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.260 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.261 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.262 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.263 = private unnamed_addr constant [3 x i8] c"in\00"
-@.str.264 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.265 = private unnamed_addr constant [9 x i8] c"continue\00"
-@.str.266 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.267 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.268 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.269 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.270 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.271 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.272 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.273 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.274 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.275 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.276 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.277 = private unnamed_addr constant [7 x i8] c"export\00"
-@.str.278 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.279 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
-@.str.280 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.281 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.282 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.283 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.284 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.285 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.286 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.287 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.288 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.289 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.290 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.291 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.292 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.293 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.294 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.216 = private unnamed_addr constant [20 x i8] c"/../share/finch/std\00"
+@.str.217 = private unnamed_addr constant [4 x i8] c"std\00"
+@.str.218 = private unnamed_addr constant [10 x i8] c"/path.fch\00"
+@.str.219 = private unnamed_addr constant [5 x i8] c"/std\00"
+@.str.220 = private unnamed_addr constant [11 x i8] c"FINCH_PATH\00"
+@.str.221 = private unnamed_addr constant [1 x i8] c"\00"
+declare ptr @getenv(ptr)
+@.str.222 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.223 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.224 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.225 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.226 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.227 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.228 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.229 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.230 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.231 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.232 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.233 = private unnamed_addr constant [3 x i8] c".a\00"
+@.str.234 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.235 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.236 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.237 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.238 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.239 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.240 = private unnamed_addr constant [3 x i8] c"ir\00"
+@.str.241 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.242 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.243 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.244 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.245 = private unnamed_addr constant [9 x i8] c"FINCH_RT\00"
+@.str.246 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.247 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.248 = private unnamed_addr constant [23 x i8] c"/../runtime/finch_rt.c\00"
+@.str.249 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.250 = private unnamed_addr constant [20 x i8] c"/runtime/finch_rt.c\00"
+@.str.251 = private unnamed_addr constant [13 x i8] c"src/main.fch\00"
+@.str.252 = private unnamed_addr constant [35 x i8] c"/../share/finch/runtime/finch_rt.c\00"
+@.str.253 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
+@.str.254 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
+@.str.255 = private unnamed_addr constant [20 x i8] c"/runtime/finch_rt.c\00"
+@.str.256 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.257 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
+@.str.258 = private unnamed_addr constant [4 x i8] c" -g\00"
+@.str.259 = private unnamed_addr constant [4 x i8] c"run\00"
+@.str.260 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.261 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.262 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.263 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.264 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.265 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.266 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.267 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.268 = private unnamed_addr constant [3 x i8] c"in\00"
+@.str.269 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.270 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.271 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.272 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.273 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.274 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.275 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.276 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.277 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.278 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.279 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.280 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.281 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.282 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.283 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.284 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
+@.str.285 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.286 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.287 = private unnamed_addr constant [10 x i8] c": error: \00"
+@.str.288 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.289 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.290 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.291 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.292 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.293 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.294 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.295 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.296 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.297 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.298 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.299 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.300 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.301 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.301 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.302 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.303 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.303 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.304 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.305 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
-@.str.306 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.307 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
-@.str.308 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.309 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.310 = private unnamed_addr constant [3 x i8] c"->\00"
-@.str.311 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.312 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.313 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.314 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.315 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.316 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.317 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.318 = private unnamed_addr constant [3 x i8] c"||\00"
-@.str.319 = private unnamed_addr constant [3 x i8] c"..\00"
-@.str.320 = private unnamed_addr constant [3 x i8] c":=\00"
-@.str.321 = private unnamed_addr constant [3 x i8] c"+=\00"
-@.str.322 = private unnamed_addr constant [3 x i8] c"-=\00"
-@.str.323 = private unnamed_addr constant [3 x i8] c"*=\00"
-@.str.324 = private unnamed_addr constant [3 x i8] c"/=\00"
-@.str.325 = private unnamed_addr constant [3 x i8] c"%=\00"
-@.str.326 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.327 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.328 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.329 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.330 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.331 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.332 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.305 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.306 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.307 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.308 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.309 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.310 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.311 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.312 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.313 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.314 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.315 = private unnamed_addr constant [3 x i8] c"->\00"
+@.str.316 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.317 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.318 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.319 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.320 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.321 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.322 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.323 = private unnamed_addr constant [3 x i8] c"||\00"
+@.str.324 = private unnamed_addr constant [3 x i8] c"..\00"
+@.str.325 = private unnamed_addr constant [3 x i8] c":=\00"
+@.str.326 = private unnamed_addr constant [3 x i8] c"+=\00"
+@.str.327 = private unnamed_addr constant [3 x i8] c"-=\00"
+@.str.328 = private unnamed_addr constant [3 x i8] c"*=\00"
+@.str.329 = private unnamed_addr constant [3 x i8] c"/=\00"
+@.str.330 = private unnamed_addr constant [3 x i8] c"%=\00"
+@.str.331 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.332 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.333 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.334 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.334 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.335 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.336 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.337 = private unnamed_addr constant [23 x i8] c"(){}[],.:+-*/%&|^~<>=!\00"
+@.str.336 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.337 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.338 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.339 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.339 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.340 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.341 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.342 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.341 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.342 = private unnamed_addr constant [23 x i8] c"(){}[],.:+-*/%&|^~<>=!\00"
 @.str.343 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.344 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.344 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.345 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.346 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.347 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.348 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
-@.str.349 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.350 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
-@.str.351 = private unnamed_addr constant [17 x i8] c"unknown escape \5C\00"
+@.str.346 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.347 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.348 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.349 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.350 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.351 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.352 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.353 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.353 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
 @.str.354 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.355 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.356 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.357 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.358 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.359 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.360 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.355 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.356 = private unnamed_addr constant [17 x i8] c"unknown escape \5C\00"
+@.str.357 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.358 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.359 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.360 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.361 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.362 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.362 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.363 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.364 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.364 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.365 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.366 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.367 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.368 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.369 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.366 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.367 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.368 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.369 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.370 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.371 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.371 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.372 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.373 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.373 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.374 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.375 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.376 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.377 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.378 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.379 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.380 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.381 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.382 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.375 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.376 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.377 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.378 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.379 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.380 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.381 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.382 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.383 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.384 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.384 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.385 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.386 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.387 = private unnamed_addr constant [37 x i8] c"comment is never closed (missing */)\00"
-@.str.388 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.389 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.386 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.387 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.388 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.389 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.390 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.391 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
-@.str.392 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.393 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
-@.str.394 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.395 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
-@.str.396 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.397 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
-@.str.398 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.399 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.400 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.401 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.402 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.403 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.404 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.405 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.406 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.407 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.408 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.391 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.392 = private unnamed_addr constant [37 x i8] c"comment is never closed (missing */)\00"
+@.str.393 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.394 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.395 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.396 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.397 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.398 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.399 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.400 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.401 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.402 = private unnamed_addr constant [27 x i8] c"used .nl on a null pointer\00"
+@.str.403 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.404 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.405 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.406 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.407 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.408 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.409 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.410 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.411 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
@@ -519,48 +521,48 @@ declare ptr @getenv(ptr)
 @.str.414 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.415 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.416 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.417 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.418 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.419 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.420 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.417 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.418 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.419 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.420 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.421 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.422 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.423 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.424 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.425 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.426 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.427 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.428 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.429 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.422 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.423 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.424 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.425 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.426 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.427 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.428 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.429 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.430 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.431 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.432 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.433 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.434 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.435 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.436 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.436 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.437 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.438 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.438 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.439 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.440 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.441 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.442 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.443 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.440 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.441 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.442 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.443 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.444 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.445 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.446 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.447 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.448 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.449 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.450 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.451 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.452 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.453 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.454 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.455 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.456 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.457 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.458 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.449 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.450 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.451 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.452 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.453 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.454 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.455 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.456 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.457 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.458 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.459 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.460 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.461 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
@@ -569,101 +571,101 @@ declare ptr @getenv(ptr)
 @.str.464 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.465 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
 @.str.466 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.467 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.468 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.467 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.468 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
 @.str.469 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.470 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.471 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.472 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.473 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.474 = private unnamed_addr constant [35 x i8] c"string is never closed (missing \22)\00"
-@.str.475 = private unnamed_addr constant [33 x i8] c"char is never closed (missing ')\00"
+@.str.470 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.471 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.472 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.473 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.474 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.475 = private unnamed_addr constant [2 x i8] c"_\00"
 @.str.476 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.477 = private unnamed_addr constant [45 x i8] c"a char holds exactly one character, like 'a'\00"
-@.str.478 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.479 = private unnamed_addr constant [75 x i8] c" (names use only a-z, A-Z, 0-9 and _; other letters only go inside \22text\22)\00"
-@.str.480 = private unnamed_addr constant [23 x i8] c"unexpected character '\00"
-@.str.481 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.482 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.483 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.484 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.485 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.477 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.478 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.479 = private unnamed_addr constant [35 x i8] c"string is never closed (missing \22)\00"
+@.str.480 = private unnamed_addr constant [33 x i8] c"char is never closed (missing ')\00"
+@.str.481 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.482 = private unnamed_addr constant [45 x i8] c"a char holds exactly one character, like 'a'\00"
+@.str.483 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.484 = private unnamed_addr constant [75 x i8] c" (names use only a-z, A-Z, 0-9 and _; other letters only go inside \22text\22)\00"
+@.str.485 = private unnamed_addr constant [23 x i8] c"unexpected character '\00"
 @.str.486 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.487 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.488 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.489 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.490 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.487 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.488 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.489 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.490 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.491 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.492 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
-@.str.493 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
-@.str.494 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
-@.str.495 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.496 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.497 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.498 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.499 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.500 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.501 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.502 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.503 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.504 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.505 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.506 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.507 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.508 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.509 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.510 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.511 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.512 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.513 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.514 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.515 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.516 = private unnamed_addr constant [5 x i8] c"map[\00"
-@.str.517 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.492 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.493 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.494 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.495 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.496 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.497 = private unnamed_addr constant [29 x i8] c"used .line on a null pointer\00"
+@.str.498 = private unnamed_addr constant [14 x i8] c"src/lexer.fch\00"
+@.str.499 = private unnamed_addr constant [28 x i8] c"used .col on a null pointer\00"
+@.str.500 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.501 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.502 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.503 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.504 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.505 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.506 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.507 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.508 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.509 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.510 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.511 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.512 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.513 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.514 = private unnamed_addr constant [3 x i8] c"[]\00"
+@.str.515 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.516 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.517 = private unnamed_addr constant [2 x i8] c"[\00"
 @.str.518 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.519 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.520 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.521 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.522 = private unnamed_addr constant [5 x i8] c"ptr[\00"
-@.str.523 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
-@.str.524 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.525 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.526 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.527 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.528 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.529 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.530 = private unnamed_addr constant [8 x i8] c"nothing\00"
-@.str.531 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.532 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
-@.str.533 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.534 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.535 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.536 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.537 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.538 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.539 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.540 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.541 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.542 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.543 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.520 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.521 = private unnamed_addr constant [5 x i8] c"map[\00"
+@.str.522 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.523 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.524 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.525 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.526 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.527 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.528 = private unnamed_addr constant [12 x i8] c"src/ast.fch\00"
+@.str.529 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.530 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.531 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.532 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.533 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.534 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.535 = private unnamed_addr constant [8 x i8] c"nothing\00"
+@.str.536 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.537 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
+@.str.538 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.539 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.540 = private unnamed_addr constant [10 x i8] c": error: \00"
+@.str.541 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.542 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.543 = private unnamed_addr constant [2 x i8] c"\0A\00"
 @.str.544 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.545 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.546 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.547 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.548 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.549 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.550 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.550 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.551 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.552 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.552 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.553 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.554 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.555 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.556 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.557 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.554 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.555 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.556 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.557 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.558 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.559 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.560 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.561 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.561 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.562 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.563 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.564 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
@@ -671,1980 +673,1980 @@ declare ptr @getenv(ptr)
 @.str.566 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.567 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.568 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.569 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.569 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.570 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.571 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.572 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.573 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.574 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.575 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.576 = private unnamed_addr constant [12 x i8] c"end of file\00"
-@.str.577 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.578 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.579 = private unnamed_addr constant [9 x i8] c"a number\00"
-@.str.580 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.581 = private unnamed_addr constant [9 x i8] c"a string\00"
-@.str.582 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.583 = private unnamed_addr constant [7 x i8] c"a char\00"
-@.str.584 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.585 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.586 = private unnamed_addr constant [10 x i8] c"expected \00"
-@.str.587 = private unnamed_addr constant [9 x i8] c", found \00"
-@.str.588 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.589 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.590 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.591 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.592 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.593 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.594 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.572 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.573 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.574 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.575 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.576 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.577 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.578 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.579 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.580 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.581 = private unnamed_addr constant [12 x i8] c"end of file\00"
+@.str.582 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.583 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.584 = private unnamed_addr constant [9 x i8] c"a number\00"
+@.str.585 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.586 = private unnamed_addr constant [9 x i8] c"a string\00"
+@.str.587 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.588 = private unnamed_addr constant [7 x i8] c"a char\00"
+@.str.589 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.590 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.591 = private unnamed_addr constant [10 x i8] c"expected \00"
+@.str.592 = private unnamed_addr constant [9 x i8] c", found \00"
+@.str.593 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.594 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
 @.str.595 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.596 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.597 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.598 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.599 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.600 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.601 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
-@.str.602 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.603 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.604 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.605 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.606 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.607 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.608 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.609 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.610 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.611 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.612 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.613 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.614 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.615 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.616 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.617 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.618 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.619 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.620 = private unnamed_addr constant [37 x i8] c"']' (an array type looks like []int)\00"
-@.str.621 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.622 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.623 = private unnamed_addr constant [57 x i8] c" (expected a type like int, str, []int or a struct name)\00"
-@.str.624 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.625 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.626 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.627 = private unnamed_addr constant [40 x i8] c"']' (a map type looks like map[str]int)\00"
-@.str.628 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.629 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.630 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.631 = private unnamed_addr constant [4 x i8] c"']'\00"
-@.str.632 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.633 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.634 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.635 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.636 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.637 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.638 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.639 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.640 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.641 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.642 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.643 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
-@.str.644 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.645 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.646 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.647 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.648 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.649 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.650 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.651 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.652 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.653 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.654 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.655 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.601 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.602 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.603 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.604 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.605 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.606 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
+@.str.607 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.608 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.609 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.610 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.611 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.612 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.613 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.614 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.615 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.616 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.617 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.618 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.619 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.620 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.621 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.622 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.623 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.624 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.625 = private unnamed_addr constant [37 x i8] c"']' (an array type looks like []int)\00"
+@.str.626 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.627 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.628 = private unnamed_addr constant [57 x i8] c" (expected a type like int, str, []int or a struct name)\00"
+@.str.629 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.630 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.631 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.632 = private unnamed_addr constant [40 x i8] c"']' (a map type looks like map[str]int)\00"
+@.str.633 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.634 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.635 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.636 = private unnamed_addr constant [4 x i8] c"']'\00"
+@.str.637 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.638 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.639 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.640 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.641 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.642 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.643 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.644 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.645 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.646 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.647 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.648 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
+@.str.649 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.650 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.651 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.652 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.653 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.654 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.655 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.656 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.657 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.658 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.659 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.660 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.661 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.662 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.663 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.664 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.665 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.666 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.667 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.668 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.659 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.660 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.661 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.662 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.663 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.664 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.665 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.666 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.667 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.668 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.669 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.670 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.670 = private unnamed_addr constant [4 x i8] c"eof\00"
 @.str.671 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.672 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.673 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.672 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.673 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.674 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.675 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.675 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
 @.str.676 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.677 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.678 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.679 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.680 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.681 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.682 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.683 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.684 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.685 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.686 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.687 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.688 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.678 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.679 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.680 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.681 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.682 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.683 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.684 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.685 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.686 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.687 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.688 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.689 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.690 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.691 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.692 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.693 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.694 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.695 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.696 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.697 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.698 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.699 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.700 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.701 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.702 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.703 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.704 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.705 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.692 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.693 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.694 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.695 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.696 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.697 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.698 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.699 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.700 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.701 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.702 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.703 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.704 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.705 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
 @.str.706 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.707 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.708 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.709 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.710 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.711 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.712 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.713 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.714 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.715 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.716 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.717 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.718 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.719 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.720 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.721 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.722 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.723 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.724 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.725 = private unnamed_addr constant [38 x i8] c" (put each statement on its own line)\00"
-@.str.726 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.727 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.728 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.729 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.730 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
-@.str.731 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.732 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.733 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.734 = private unnamed_addr constant [52 x i8] c"expected a module name or a C header after 'import'\00"
-@.str.735 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.736 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.737 = private unnamed_addr constant [43 x i8] c"a library name in quotes, like link \22glfw\22\00"
-@.str.738 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.739 = private unnamed_addr constant [3 x i8] c".c\00"
-@.str.740 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.741 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.742 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.743 = private unnamed_addr constant [3 x i8] c".a\00"
-@.str.744 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.745 = private unnamed_addr constant [4 x i8] c"lib\00"
-@.str.746 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.747 = private unnamed_addr constant [4 x i8] c".so\00"
-@.str.748 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.749 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.750 = private unnamed_addr constant [66 x i8] c"write just the library's name: for libglfw.so that's  link \22glfw\22\00"
-@.str.751 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.752 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.753 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.754 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.755 = private unnamed_addr constant [7 x i8] c"'enum'\00"
-@.str.756 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.757 = private unnamed_addr constant [13 x i8] c"an enum name\00"
-@.str.758 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.759 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.760 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.761 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.762 = private unnamed_addr constant [38 x i8] c"an enum is never closed (missing '}')\00"
-@.str.763 = private unnamed_addr constant [8 x i8] c"variant\00"
-@.str.764 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.765 = private unnamed_addr constant [25 x i8] c"a variant name, like Red\00"
-@.str.766 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.767 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.768 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.769 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.770 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.771 = private unnamed_addr constant [31 x i8] c"a whole number, like  Ok = 200\00"
-@.str.772 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.773 = private unnamed_addr constant [10 x i8] c"the enum \00"
-@.str.774 = private unnamed_addr constant [17 x i8] c" has no variants\00"
-@.str.775 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.776 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.777 = private unnamed_addr constant [8 x i8] c"'match'\00"
-@.str.778 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.779 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.780 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.781 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.782 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.783 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.784 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.785 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.786 = private unnamed_addr constant [38 x i8] c"a match is never closed (missing '}')\00"
-@.str.787 = private unnamed_addr constant [4 x i8] c"arm\00"
-@.str.788 = private unnamed_addr constant [9 x i8] c"patterns\00"
-@.str.789 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.790 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.791 = private unnamed_addr constant [3 x i8] c"->\00"
-@.str.792 = private unnamed_addr constant [58 x i8] c"'->' after the value to match, like   Red -> print(\22red\22)\00"
-@.str.793 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.794 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.795 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.796 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.797 = private unnamed_addr constant [31 x i8] c"a match needs at least one arm\00"
-@.str.798 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.799 = private unnamed_addr constant [4 x i8] c"'['\00"
-@.str.800 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.801 = private unnamed_addr constant [30 x i8] c"a type parameter name, like T\00"
-@.str.802 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.803 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.804 = private unnamed_addr constant [30 x i8] c"']' after the type parameters\00"
-@.str.805 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.806 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.807 = private unnamed_addr constant [9 x i8] c"'struct'\00"
-@.str.808 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.809 = private unnamed_addr constant [14 x i8] c"a struct name\00"
-@.str.810 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.811 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.812 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.813 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.814 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.815 = private unnamed_addr constant [39 x i8] c"a struct is never closed (missing '}')\00"
-@.str.816 = private unnamed_addr constant [6 x i8] c"field\00"
-@.str.817 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.818 = private unnamed_addr constant [29 x i8] c" (a field looks like: int x)\00"
-@.str.819 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.820 = private unnamed_addr constant [13 x i8] c"a field name\00"
-@.str.821 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.822 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.823 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.707 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.708 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.709 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.710 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.711 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.712 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.713 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.714 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.715 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.716 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.717 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.718 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.719 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.720 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.721 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.722 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.723 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.724 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.725 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.726 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.727 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.728 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.729 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.730 = private unnamed_addr constant [38 x i8] c" (put each statement on its own line)\00"
+@.str.731 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.732 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.733 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.734 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.735 = private unnamed_addr constant [29 x i8] c"used .path on a null pointer\00"
+@.str.736 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.737 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.738 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.739 = private unnamed_addr constant [52 x i8] c"expected a module name or a C header after 'import'\00"
+@.str.740 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.741 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.742 = private unnamed_addr constant [43 x i8] c"a library name in quotes, like link \22glfw\22\00"
+@.str.743 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.744 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.745 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.746 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.747 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.748 = private unnamed_addr constant [3 x i8] c".a\00"
+@.str.749 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.750 = private unnamed_addr constant [4 x i8] c"lib\00"
+@.str.751 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.752 = private unnamed_addr constant [4 x i8] c".so\00"
+@.str.753 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.754 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.755 = private unnamed_addr constant [66 x i8] c"write just the library's name: for libglfw.so that's  link \22glfw\22\00"
+@.str.756 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.757 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.758 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.759 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.760 = private unnamed_addr constant [7 x i8] c"'enum'\00"
+@.str.761 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.762 = private unnamed_addr constant [13 x i8] c"an enum name\00"
+@.str.763 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.764 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.765 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.766 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.767 = private unnamed_addr constant [38 x i8] c"an enum is never closed (missing '}')\00"
+@.str.768 = private unnamed_addr constant [8 x i8] c"variant\00"
+@.str.769 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.770 = private unnamed_addr constant [25 x i8] c"a variant name, like Red\00"
+@.str.771 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.772 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.773 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.774 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.775 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.776 = private unnamed_addr constant [31 x i8] c"a whole number, like  Ok = 200\00"
+@.str.777 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.778 = private unnamed_addr constant [10 x i8] c"the enum \00"
+@.str.779 = private unnamed_addr constant [17 x i8] c" has no variants\00"
+@.str.780 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.781 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.782 = private unnamed_addr constant [8 x i8] c"'match'\00"
+@.str.783 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.784 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.785 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.786 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.787 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.788 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.789 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.790 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.791 = private unnamed_addr constant [38 x i8] c"a match is never closed (missing '}')\00"
+@.str.792 = private unnamed_addr constant [4 x i8] c"arm\00"
+@.str.793 = private unnamed_addr constant [9 x i8] c"patterns\00"
+@.str.794 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.795 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.796 = private unnamed_addr constant [3 x i8] c"->\00"
+@.str.797 = private unnamed_addr constant [58 x i8] c"'->' after the value to match, like   Red -> print(\22red\22)\00"
+@.str.798 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.799 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.800 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.801 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.802 = private unnamed_addr constant [31 x i8] c"a match needs at least one arm\00"
+@.str.803 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.804 = private unnamed_addr constant [4 x i8] c"'['\00"
+@.str.805 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.806 = private unnamed_addr constant [30 x i8] c"a type parameter name, like T\00"
+@.str.807 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.808 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.809 = private unnamed_addr constant [30 x i8] c"']' after the type parameters\00"
+@.str.810 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.811 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.812 = private unnamed_addr constant [9 x i8] c"'struct'\00"
+@.str.813 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.814 = private unnamed_addr constant [14 x i8] c"a struct name\00"
+@.str.815 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.816 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.817 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.818 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.819 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.820 = private unnamed_addr constant [39 x i8] c"a struct is never closed (missing '}')\00"
+@.str.821 = private unnamed_addr constant [6 x i8] c"field\00"
+@.str.822 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.823 = private unnamed_addr constant [29 x i8] c" (a field looks like: int x)\00"
 @.str.824 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.825 = private unnamed_addr constant [69 x i8] c"functions start with 'fn', like: fn add(int a, int b) -> int { ... }\00"
-@.str.826 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.827 = private unnamed_addr constant [27 x i8] c"'fn', 'struct' or 'import'\00"
-@.str.828 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.829 = private unnamed_addr constant [16 x i8] c"a function name\00"
-@.str.830 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.831 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.832 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.833 = private unnamed_addr constant [14 x i8] c"a method name\00"
-@.str.834 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.835 = private unnamed_addr constant [4 x i8] c"'('\00"
-@.str.836 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.837 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.838 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.839 = private unnamed_addr constant [6 x i8] c"param\00"
-@.str.840 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.841 = private unnamed_addr constant [17 x i8] c"a parameter name\00"
-@.str.842 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.843 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.844 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.845 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.846 = private unnamed_addr constant [4 x i8] c"')'\00"
-@.str.847 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.848 = private unnamed_addr constant [3 x i8] c"->\00"
-@.str.849 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.850 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.851 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.852 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.853 = private unnamed_addr constant [62 x i8] c" (after '->' comes a type, or ! for a function that can fail)\00"
-@.str.854 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.855 = private unnamed_addr constant [6 x i8] c"block\00"
-@.str.856 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.857 = private unnamed_addr constant [4 x i8] c"'{'\00"
-@.str.858 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.859 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.860 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.861 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.862 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.863 = private unnamed_addr constant [4 x i8] c"eof\00"
-@.str.864 = private unnamed_addr constant [36 x i8] c"a '{' is never closed (missing '}')\00"
+@.str.825 = private unnamed_addr constant [13 x i8] c"a field name\00"
+@.str.826 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.827 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.828 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.829 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.830 = private unnamed_addr constant [69 x i8] c"functions start with 'fn', like: fn add(int a, int b) -> int { ... }\00"
+@.str.831 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.832 = private unnamed_addr constant [27 x i8] c"'fn', 'struct' or 'import'\00"
+@.str.833 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.834 = private unnamed_addr constant [16 x i8] c"a function name\00"
+@.str.835 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.836 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.837 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.838 = private unnamed_addr constant [14 x i8] c"a method name\00"
+@.str.839 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.840 = private unnamed_addr constant [4 x i8] c"'('\00"
+@.str.841 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.842 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.843 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.844 = private unnamed_addr constant [6 x i8] c"param\00"
+@.str.845 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.846 = private unnamed_addr constant [17 x i8] c"a parameter name\00"
+@.str.847 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.848 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.849 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.850 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.851 = private unnamed_addr constant [4 x i8] c"')'\00"
+@.str.852 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.853 = private unnamed_addr constant [3 x i8] c"->\00"
+@.str.854 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.855 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.856 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.857 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.858 = private unnamed_addr constant [62 x i8] c" (after '->' comes a type, or ! for a function that can fail)\00"
+@.str.859 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.860 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.861 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.862 = private unnamed_addr constant [4 x i8] c"'{'\00"
+@.str.863 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.864 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
 @.str.865 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
 @.str.866 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.867 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.868 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.869 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.870 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.871 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.872 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.873 = private unnamed_addr constant [21 x i8] c"a loop variable name\00"
-@.str.874 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.875 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.876 = private unnamed_addr constant [28 x i8] c"a second loop variable name\00"
-@.str.877 = private unnamed_addr constant [3 x i8] c"in\00"
-@.str.878 = private unnamed_addr constant [5 x i8] c"'in'\00"
-@.str.879 = private unnamed_addr constant [3 x i8] c"..\00"
-@.str.880 = private unnamed_addr constant [56 x i8] c"a range of numbers has one loop variable: for i in 0..n\00"
-@.str.881 = private unnamed_addr constant [5 x i8] c"each\00"
-@.str.882 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.883 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.884 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.885 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.886 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.887 = private unnamed_addr constant [9 x i8] c"continue\00"
-@.str.888 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.889 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.890 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.891 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.892 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
-@.str.893 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.894 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.895 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.896 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.897 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.898 = private unnamed_addr constant [49 x i8] c"' can't be used here in the self-hosted compiler\00"
-@.str.899 = private unnamed_addr constant [5 x i8] c"decl\00"
-@.str.900 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.901 = private unnamed_addr constant [16 x i8] c"a variable name\00"
-@.str.902 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.903 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.904 = private unnamed_addr constant [3 x i8] c":=\00"
-@.str.905 = private unnamed_addr constant [5 x i8] c"decl\00"
-@.str.906 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.907 = private unnamed_addr constant [3 x i8] c"+=\00"
-@.str.908 = private unnamed_addr constant [3 x i8] c"-=\00"
-@.str.909 = private unnamed_addr constant [3 x i8] c"*=\00"
-@.str.910 = private unnamed_addr constant [3 x i8] c"/=\00"
-@.str.911 = private unnamed_addr constant [3 x i8] c"%=\00"
-@.str.912 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.913 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.914 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.915 = private unnamed_addr constant [67 x i8] c"only a variable, a field, an element or p.value can be assigned to\00"
-@.str.916 = private unnamed_addr constant [7 x i8] c"assign\00"
-@.str.917 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.918 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
-@.str.919 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.920 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.921 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.922 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.923 = private unnamed_addr constant [38 x i8] c"this value is computed but never used\00"
-@.str.924 = private unnamed_addr constant [5 x i8] c"expr\00"
-@.str.925 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.926 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
-@.str.927 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.928 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.929 = private unnamed_addr constant [5 x i8] c"'if'\00"
-@.str.930 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.931 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.932 = private unnamed_addr constant [3 x i8] c"||\00"
-@.str.933 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.934 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.935 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.936 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.937 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.938 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.939 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.940 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.941 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.942 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.943 = private unnamed_addr constant [2 x i8] c"^\00"
-@.str.944 = private unnamed_addr constant [2 x i8] c"*\00"
-@.str.945 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.946 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.947 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.948 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.949 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.950 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.951 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.952 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.953 = private unnamed_addr constant [7 x i8] c"binary\00"
-@.str.954 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.955 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.956 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.957 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.958 = private unnamed_addr constant [2 x i8] c"~\00"
-@.str.959 = private unnamed_addr constant [6 x i8] c"unary\00"
-@.str.960 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.961 = private unnamed_addr constant [4 x i8] c"'('\00"
-@.str.962 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.963 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.964 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.965 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.966 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.967 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.968 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.969 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.970 = private unnamed_addr constant [30 x i8] c"used .names on a null pointer\00"
-@.str.971 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.972 = private unnamed_addr constant [29 x i8] c"used .kids on a null pointer\00"
-@.str.973 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.867 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.868 = private unnamed_addr constant [4 x i8] c"eof\00"
+@.str.869 = private unnamed_addr constant [36 x i8] c"a '{' is never closed (missing '}')\00"
+@.str.870 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.871 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.872 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.873 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.874 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.875 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.876 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.877 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.878 = private unnamed_addr constant [21 x i8] c"a loop variable name\00"
+@.str.879 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.880 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.881 = private unnamed_addr constant [28 x i8] c"a second loop variable name\00"
+@.str.882 = private unnamed_addr constant [3 x i8] c"in\00"
+@.str.883 = private unnamed_addr constant [5 x i8] c"'in'\00"
+@.str.884 = private unnamed_addr constant [3 x i8] c"..\00"
+@.str.885 = private unnamed_addr constant [56 x i8] c"a range of numbers has one loop variable: for i in 0..n\00"
+@.str.886 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.887 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.888 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.889 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.890 = private unnamed_addr constant [2 x i8] c"}\00"
+@.str.891 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.892 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.893 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.894 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.895 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.896 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.897 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
+@.str.898 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.899 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.900 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.901 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.902 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.903 = private unnamed_addr constant [49 x i8] c"' can't be used here in the self-hosted compiler\00"
+@.str.904 = private unnamed_addr constant [5 x i8] c"decl\00"
+@.str.905 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.906 = private unnamed_addr constant [16 x i8] c"a variable name\00"
+@.str.907 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.908 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.909 = private unnamed_addr constant [3 x i8] c":=\00"
+@.str.910 = private unnamed_addr constant [5 x i8] c"decl\00"
+@.str.911 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.912 = private unnamed_addr constant [3 x i8] c"+=\00"
+@.str.913 = private unnamed_addr constant [3 x i8] c"-=\00"
+@.str.914 = private unnamed_addr constant [3 x i8] c"*=\00"
+@.str.915 = private unnamed_addr constant [3 x i8] c"/=\00"
+@.str.916 = private unnamed_addr constant [3 x i8] c"%=\00"
+@.str.917 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.918 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.919 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.920 = private unnamed_addr constant [67 x i8] c"only a variable, a field, an element or p.value can be assigned to\00"
+@.str.921 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.922 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.923 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
+@.str.924 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.925 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.926 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.927 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.928 = private unnamed_addr constant [38 x i8] c"this value is computed but never used\00"
+@.str.929 = private unnamed_addr constant [5 x i8] c"expr\00"
+@.str.930 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.931 = private unnamed_addr constant [29 x i8] c"used .file on a null pointer\00"
+@.str.932 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.933 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.934 = private unnamed_addr constant [5 x i8] c"'if'\00"
+@.str.935 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.936 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.937 = private unnamed_addr constant [3 x i8] c"||\00"
+@.str.938 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.939 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.940 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.941 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.942 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.943 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.944 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.945 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.946 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.947 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.948 = private unnamed_addr constant [2 x i8] c"^\00"
+@.str.949 = private unnamed_addr constant [2 x i8] c"*\00"
+@.str.950 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.951 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.952 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.953 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.954 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.955 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.956 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.957 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.958 = private unnamed_addr constant [7 x i8] c"binary\00"
+@.str.959 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.960 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.961 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.962 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.963 = private unnamed_addr constant [2 x i8] c"~\00"
+@.str.964 = private unnamed_addr constant [6 x i8] c"unary\00"
+@.str.965 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.966 = private unnamed_addr constant [4 x i8] c"'('\00"
+@.str.967 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.968 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.969 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.970 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.971 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.972 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.973 = private unnamed_addr constant [2 x i8] c":\00"
 @.str.974 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.975 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.976 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.977 = private unnamed_addr constant [4 x i8] c"')'\00"
-@.str.978 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.979 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.980 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.981 = private unnamed_addr constant [17 x i8] c"a name after '.'\00"
-@.str.982 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.983 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.984 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.985 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.986 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.987 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.988 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.989 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.990 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.991 = private unnamed_addr constant [4 x i8] c"']'\00"
-@.str.992 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.993 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.994 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.995 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.996 = private unnamed_addr constant [7 x i8] c"string\00"
-@.str.997 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.998 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.999 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1000 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1001 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1002 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1003 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1004 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1005 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1006 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1007 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1008 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1009 = private unnamed_addr constant [4 x i8] c"')'\00"
-@.str.1010 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.1011 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1012 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1013 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1014 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1015 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1016 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1017 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1018 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1019 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1020 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1021 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1022 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1023 = private unnamed_addr constant [42 x i8] c"':' (a map entry looks like \22key\22: value)\00"
-@.str.1024 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1025 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1026 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
-@.str.1027 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1028 = private unnamed_addr constant [4 x i8] c"']'\00"
-@.str.1029 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.1030 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1031 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1032 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
-@.str.1033 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1034 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.1035 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
-@.str.1036 = private unnamed_addr constant [6 x i8] c"ident\00"
-@.str.1037 = private unnamed_addr constant [6 x i8] c"targs\00"
-@.str.1038 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1039 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1040 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
-@.str.1041 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.1042 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1043 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.1044 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.1045 = private unnamed_addr constant [12 x i8] c"unexpected \00"
-@.str.1046 = private unnamed_addr constant [20 x i8] c" (expected a value)\00"
-@.str.1047 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1048 = private unnamed_addr constant [2 x i8] c"\5C\00"
-@.str.1049 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
-@.str.1050 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1051 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1052 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
-@.str.1053 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1054 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1055 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1056 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1057 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.975 = private unnamed_addr constant [30 x i8] c"used .names on a null pointer\00"
+@.str.976 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.977 = private unnamed_addr constant [29 x i8] c"used .kids on a null pointer\00"
+@.str.978 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.979 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.980 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.981 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.982 = private unnamed_addr constant [4 x i8] c"')'\00"
+@.str.983 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.984 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.985 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.986 = private unnamed_addr constant [17 x i8] c"a name after '.'\00"
+@.str.987 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.988 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.989 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.990 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.991 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.992 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.993 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.994 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.995 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.996 = private unnamed_addr constant [4 x i8] c"']'\00"
+@.str.997 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.998 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.999 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1000 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1001 = private unnamed_addr constant [7 x i8] c"string\00"
+@.str.1002 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1003 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.1004 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1005 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1006 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1007 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1008 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1009 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1010 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1011 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1012 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1013 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1014 = private unnamed_addr constant [4 x i8] c"')'\00"
+@.str.1015 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.1016 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1017 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1018 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1019 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1020 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1021 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1022 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1023 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1024 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1025 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1026 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1027 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1028 = private unnamed_addr constant [42 x i8] c"':' (a map entry looks like \22key\22: value)\00"
+@.str.1029 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1030 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1031 = private unnamed_addr constant [30 x i8] c"used .depth on a null pointer\00"
+@.str.1032 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1033 = private unnamed_addr constant [4 x i8] c"']'\00"
+@.str.1034 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.1035 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1036 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1037 = private unnamed_addr constant [29 x i8] c"used .toks on a null pointer\00"
+@.str.1038 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1039 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.1040 = private unnamed_addr constant [15 x i8] c"src/parser.fch\00"
+@.str.1041 = private unnamed_addr constant [6 x i8] c"ident\00"
+@.str.1042 = private unnamed_addr constant [6 x i8] c"targs\00"
+@.str.1043 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1044 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1045 = private unnamed_addr constant [29 x i8] c"']' after the type arguments\00"
+@.str.1046 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.1047 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1048 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.1049 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.1050 = private unnamed_addr constant [12 x i8] c"unexpected \00"
+@.str.1051 = private unnamed_addr constant [20 x i8] c" (expected a value)\00"
+@.str.1052 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1053 = private unnamed_addr constant [2 x i8] c"\5C\00"
+@.str.1054 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
+@.str.1055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1056 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1057 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
 @.str.1058 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1059 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1060 = private unnamed_addr constant [4 x i8] c"@R\09\00"
+@.str.1059 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1060 = private unnamed_addr constant [2 x i8] c" \00"
 @.str.1061 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1062 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1062 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
 @.str.1063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1064 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1065 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1066 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1067 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1068 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1064 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1065 = private unnamed_addr constant [4 x i8] c"@R\09\00"
+@.str.1066 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1067 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1068 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1069 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1070 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1071 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1072 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1073 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1074 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1075 = private unnamed_addr constant [4 x i8] c"fn \00"
-@.str.1076 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1077 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1078 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1079 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1080 = private unnamed_addr constant [6 x i8] c" -> !\00"
-@.str.1081 = private unnamed_addr constant [5 x i8] c" -> \00"
-@.str.1082 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.1083 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1084 = private unnamed_addr constant [5 x i8] c" -> \00"
-@.str.1085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1086 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1087 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.1088 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1089 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1071 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1072 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1073 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1074 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1075 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1076 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1077 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1078 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1079 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1080 = private unnamed_addr constant [4 x i8] c"fn \00"
+@.str.1081 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1082 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1083 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1084 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1085 = private unnamed_addr constant [6 x i8] c" -> !\00"
+@.str.1086 = private unnamed_addr constant [5 x i8] c" -> \00"
+@.str.1087 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.1088 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1089 = private unnamed_addr constant [5 x i8] c" -> \00"
 @.str.1090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1092 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.1093 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.1094 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1095 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1091 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.1092 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.1093 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1094 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1095 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1097 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1098 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1099 = private unnamed_addr constant [4 x i8] c"@I\09\00"
-@.str.1100 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1101 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1097 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.1098 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.1099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1100 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1101 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1103 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1103 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1104 = private unnamed_addr constant [4 x i8] c"@I\09\00"
 @.str.1105 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1107 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1108 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1106 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1107 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1108 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1109 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1110 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1111 = private unnamed_addr constant [4 x i8] c"@F\09\00"
-@.str.1112 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1113 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1114 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1115 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1116 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1117 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1110 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1111 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1112 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1115 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1116 = private unnamed_addr constant [4 x i8] c"@F\09\00"
+@.str.1117 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1118 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1119 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1120 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1121 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1122 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1123 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.1124 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1125 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.1126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1127 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1128 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1121 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1122 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1123 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1124 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1125 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1126 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1127 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1128 = private unnamed_addr constant [2 x i8] c"|\00"
 @.str.1129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1130 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1131 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1132 = private unnamed_addr constant [4 x i8] c"@F\09\00"
-@.str.1133 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1134 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1135 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1136 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1137 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1138 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1130 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.1131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1132 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1134 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1136 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1137 = private unnamed_addr constant [4 x i8] c"@F\09\00"
+@.str.1138 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1139 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1140 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1141 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1142 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1143 = private unnamed_addr constant [4 x i8] c"fn \00"
-@.str.1144 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1145 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1146 = private unnamed_addr constant [7 x i8] c"](...)\00"
+@.str.1141 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1142 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1143 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1144 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1145 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1146 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1147 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1148 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1149 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1150 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1151 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1152 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1148 = private unnamed_addr constant [4 x i8] c"fn \00"
+@.str.1149 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1150 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1151 = private unnamed_addr constant [7 x i8] c"](...)\00"
+@.str.1152 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1153 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1155 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1156 = private unnamed_addr constant [4 x i8] c"@S\09\00"
-@.str.1157 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1158 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1154 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1155 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1156 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1157 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1160 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1161 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1160 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1161 = private unnamed_addr constant [4 x i8] c"@S\09\00"
 @.str.1162 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1163 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1165 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1166 = private unnamed_addr constant [5 x i8] c"@SF\09\00"
+@.str.1165 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1167 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1168 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1170 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1171 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1172 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1173 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1170 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1171 = private unnamed_addr constant [5 x i8] c"@SF\09\00"
+@.str.1172 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1173 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1174 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1175 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1175 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1176 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1177 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1178 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1178 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1180 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1181 = private unnamed_addr constant [4 x i8] c"@E\09\00"
-@.str.1182 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1183 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1180 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1182 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1183 = private unnamed_addr constant [2 x i8] c",\00"
 @.str.1184 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1185 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1186 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1185 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1186 = private unnamed_addr constant [4 x i8] c"@E\09\00"
 @.str.1187 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1188 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1188 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1190 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.1191 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1192 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1193 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1194 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1196 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1198 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1199 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1200 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1201 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.1202 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1203 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1204 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1205 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1206 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1207 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1208 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.1209 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1210 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.1211 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1212 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.1213 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1192 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1193 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1194 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1195 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1196 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1197 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.1198 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1199 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.1200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1201 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1203 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.1204 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1205 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1206 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.1207 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1208 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1209 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1210 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1211 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1212 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1213 = private unnamed_addr constant [10 x i8] c": error: \00"
 @.str.1214 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1215 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1216 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1217 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.1218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1219 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1220 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.1221 = private unnamed_addr constant [9 x i8] c", !dbg !\00"
-@.str.1222 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1223 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1224 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.1225 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1226 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1227 = private unnamed_addr constant [3 x i8] c"%t\00"
-@.str.1228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1229 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1215 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.1216 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1217 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.1218 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1219 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1220 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.1221 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1222 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.1223 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1224 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1225 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.1226 = private unnamed_addr constant [9 x i8] c", !dbg !\00"
+@.str.1227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1228 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1229 = private unnamed_addr constant [3 x i8] c"  \00"
 @.str.1230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1231 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
-@.str.1232 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1233 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
-@.str.1234 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1235 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1236 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1231 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1232 = private unnamed_addr constant [3 x i8] c"%t\00"
+@.str.1233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1234 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1236 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
 @.str.1237 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1238 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1238 = private unnamed_addr constant [28 x i8] c"used .lbl on a null pointer\00"
 @.str.1239 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1240 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1241 = private unnamed_addr constant [11 x i8] c"br label %\00"
+@.str.1240 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1241 = private unnamed_addr constant [2 x i8] c":\00"
 @.str.1242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1243 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1244 = private unnamed_addr constant [7 x i8] c"br i1 \00"
-@.str.1245 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1246 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1244 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1245 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1246 = private unnamed_addr constant [11 x i8] c"br label %\00"
 @.str.1247 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1248 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1249 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1250 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1251 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1249 = private unnamed_addr constant [7 x i8] c"br i1 \00"
+@.str.1250 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1251 = private unnamed_addr constant [10 x i8] c", label %\00"
 @.str.1252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1253 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1253 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.1254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1255 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1256 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.1257 = private unnamed_addr constant [11 x i8] c" = alloca \00"
-@.str.1258 = private unnamed_addr constant [11 x i8] c", align 16\00"
-@.str.1259 = private unnamed_addr constant [9 x i8] c" = load \00"
-@.str.1260 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1261 = private unnamed_addr constant [7 x i8] c"store \00"
-@.str.1262 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1263 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1264 = private unnamed_addr constant [4 x i8] c" = \00"
-@.str.1265 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1266 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.1267 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.1268 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1269 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.1270 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.1271 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.1272 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1273 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1274 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1275 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1276 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1277 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.1278 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.1279 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.1280 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.1281 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1282 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.1283 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1284 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1286 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1287 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1288 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1255 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1256 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1257 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1258 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1259 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1260 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1261 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.1262 = private unnamed_addr constant [11 x i8] c" = alloca \00"
+@.str.1263 = private unnamed_addr constant [11 x i8] c", align 16\00"
+@.str.1264 = private unnamed_addr constant [9 x i8] c" = load \00"
+@.str.1265 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1266 = private unnamed_addr constant [7 x i8] c"store \00"
+@.str.1267 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1268 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1269 = private unnamed_addr constant [4 x i8] c" = \00"
+@.str.1270 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1271 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1272 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.1273 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1274 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.1275 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.1276 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.1277 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.1278 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1279 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1280 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1281 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1282 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1283 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.1284 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.1285 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.1286 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1287 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.1288 = private unnamed_addr constant [4 x i8] c"f32\00"
 @.str.1289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1290 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1291 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1293 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1294 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.1293 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1294 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1296 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.1296 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1297 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1298 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1299 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.1300 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1302 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1301 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.1302 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1303 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1304 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1304 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.1305 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1306 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1307 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1309 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1309 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.1310 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1311 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1312 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1313 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1314 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1315 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1316 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1317 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1318 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1319 = private unnamed_addr constant [64 x i8] c"a map key must be a whole number, a char, a bool or a str, not \00"
-@.str.1320 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1321 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1322 = private unnamed_addr constant [42 x i8] c"a map value can't have the type 'nothing'\00"
-@.str.1323 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.1324 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1312 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.1313 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1314 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1316 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1317 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1318 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1320 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1321 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1322 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1323 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1324 = private unnamed_addr constant [64 x i8] c"a map key must be a whole number, a char, a bool or a str, not \00"
 @.str.1325 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1326 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1327 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1328 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.1329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1330 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.1331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1332 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.1333 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1334 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.1335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1326 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1327 = private unnamed_addr constant [42 x i8] c"a map value can't have the type 'nothing'\00"
+@.str.1328 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1329 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1330 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1331 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1332 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1333 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.1334 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1335 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.1336 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1337 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.1338 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1339 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
-@.str.1340 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1341 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1342 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1343 = private unnamed_addr constant [29 x i8] c"there is no C struct named '\00"
-@.str.1344 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1345 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1337 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.1338 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1339 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.1340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1341 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1342 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1343 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.1344 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
+@.str.1345 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.1346 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1347 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1348 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1347 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1348 = private unnamed_addr constant [29 x i8] c"there is no C struct named '\00"
 @.str.1349 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1350 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
-@.str.1351 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1352 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1353 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1354 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1355 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.1356 = private unnamed_addr constant [25 x i8] c"there is no type named '\00"
-@.str.1357 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1358 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1360 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1361 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1362 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1363 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1364 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1365 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1366 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.1367 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1368 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1369 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1370 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1371 = private unnamed_addr constant [5 x i8] c"main\00"
-@.str.1372 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1373 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1374 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1375 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.1376 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1377 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.1378 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1379 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1380 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1381 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1382 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.1383 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1384 = private unnamed_addr constant [38 x i8] c"{ ptr, i64, i64, i64, ptr, i64, i64 }\00"
-@.str.1385 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.1386 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1387 = private unnamed_addr constant [4 x i8] c" x \00"
-@.str.1388 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1389 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1390 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1391 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1392 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1393 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1394 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1395 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1396 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1397 = private unnamed_addr constant [4 x i8] c"%S.\00"
-@.str.1398 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.1399 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1350 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1351 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1352 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1353 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.1354 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.1355 = private unnamed_addr constant [37 x i8] c"' is not imported here (add: import \00"
+@.str.1356 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1357 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1358 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1359 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1360 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.1361 = private unnamed_addr constant [25 x i8] c"there is no type named '\00"
+@.str.1362 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.1363 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1364 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1365 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1366 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1368 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1369 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1370 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1371 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.1372 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1374 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1375 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1376 = private unnamed_addr constant [5 x i8] c"main\00"
+@.str.1377 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1378 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1379 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1380 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.1381 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1382 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.1383 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1384 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1385 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1386 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1387 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.1388 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1389 = private unnamed_addr constant [38 x i8] c"{ ptr, i64, i64, i64, ptr, i64, i64 }\00"
+@.str.1390 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.1391 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1392 = private unnamed_addr constant [4 x i8] c" x \00"
+@.str.1393 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1394 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1395 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1396 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1397 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1398 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1399 = private unnamed_addr constant [4 x i8] c"ptr\00"
 @.str.1400 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.1401 = private unnamed_addr constant [7 x i8] c"{ i1, \00"
-@.str.1402 = private unnamed_addr constant [22 x i8] c", { ptr, i64, i64 } }\00"
-@.str.1403 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1404 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1405 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.1406 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1407 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1408 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.1409 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1410 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1411 = private unnamed_addr constant [4 x i8] c"0.0\00"
-@.str.1412 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1413 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1414 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1415 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.1416 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
-@.str.1417 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
-@.str.1418 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1419 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1420 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1421 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1422 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1423 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1425 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1426 = private unnamed_addr constant [5 x i8] c"arr_\00"
+@.str.1401 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1402 = private unnamed_addr constant [4 x i8] c"%S.\00"
+@.str.1403 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.1404 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.1405 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.1406 = private unnamed_addr constant [7 x i8] c"{ i1, \00"
+@.str.1407 = private unnamed_addr constant [22 x i8] c", { ptr, i64, i64 } }\00"
+@.str.1408 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1409 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1410 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.1411 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1412 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1413 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.1414 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1415 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1416 = private unnamed_addr constant [4 x i8] c"0.0\00"
+@.str.1417 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1418 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1419 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1420 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.1421 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
+@.str.1422 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
+@.str.1423 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1424 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1425 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1426 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.1427 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1428 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1429 = private unnamed_addr constant [5 x i8] c"map_\00"
-@.str.1430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1431 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.1428 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1430 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1431 = private unnamed_addr constant [5 x i8] c"arr_\00"
 @.str.1432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1433 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1434 = private unnamed_addr constant [3 x i8] c"E_\00"
-@.str.1435 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.1436 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1437 = private unnamed_addr constant [3 x i8] c"S_\00"
-@.str.1438 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.1439 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
-@.str.1440 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1441 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1442 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1443 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
-@.str.1444 = private unnamed_addr constant [7 x i8] c"@.str.\00"
+@.str.1433 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1434 = private unnamed_addr constant [5 x i8] c"map_\00"
+@.str.1435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1436 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.1437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1438 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1439 = private unnamed_addr constant [3 x i8] c"E_\00"
+@.str.1440 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.1441 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1442 = private unnamed_addr constant [3 x i8] c"S_\00"
+@.str.1443 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.1444 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
 @.str.1445 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1446 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
-@.str.1447 = private unnamed_addr constant [2 x i8] c"\5C\00"
-@.str.1448 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1449 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.1450 = private unnamed_addr constant [35 x i8] c" = private unnamed_addr constant [\00"
-@.str.1451 = private unnamed_addr constant [10 x i8] c" x i8] c\22\00"
-@.str.1452 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1453 = private unnamed_addr constant [5 x i8] c"\5C00\22\00"
-@.str.1454 = private unnamed_addr constant [7 x i8] c"{ ptr \00"
-@.str.1455 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1456 = private unnamed_addr constant [10 x i8] c", i64 0 }\00"
-@.str.1457 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1458 = private unnamed_addr constant [6 x i8] c"panic\00"
-@.str.1459 = private unnamed_addr constant [3 x i8] c"ok\00"
-@.str.1460 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1461 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1462 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1463 = private unnamed_addr constant [28 x i8] c"call void @finch_panic(ptr \00"
-@.str.1464 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1465 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1466 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1467 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.1468 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1469 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1470 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.1471 = private unnamed_addr constant [8 x i8] c"inrange\00"
-@.str.1472 = private unnamed_addr constant [14 x i8] c"icmp uge i64 \00"
-@.str.1473 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1474 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1475 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1476 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1477 = private unnamed_addr constant [34 x i8] c"call void @finch_panic_index(ptr \00"
-@.str.1478 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1479 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1480 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1481 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1482 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.1483 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1484 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1485 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1486 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1487 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1488 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1489 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1490 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1491 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1492 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1493 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1494 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1495 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1496 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1497 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1498 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1499 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1500 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1501 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1502 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1503 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1504 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1505 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1506 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.1507 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.1446 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1447 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1448 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
+@.str.1449 = private unnamed_addr constant [7 x i8] c"@.str.\00"
+@.str.1450 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1451 = private unnamed_addr constant [29 x i8] c"used .nstr on a null pointer\00"
+@.str.1452 = private unnamed_addr constant [2 x i8] c"\5C\00"
+@.str.1453 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1454 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.1455 = private unnamed_addr constant [35 x i8] c" = private unnamed_addr constant [\00"
+@.str.1456 = private unnamed_addr constant [10 x i8] c" x i8] c\22\00"
+@.str.1457 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1458 = private unnamed_addr constant [5 x i8] c"\5C00\22\00"
+@.str.1459 = private unnamed_addr constant [7 x i8] c"{ ptr \00"
+@.str.1460 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1461 = private unnamed_addr constant [10 x i8] c", i64 0 }\00"
+@.str.1462 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1463 = private unnamed_addr constant [6 x i8] c"panic\00"
+@.str.1464 = private unnamed_addr constant [3 x i8] c"ok\00"
+@.str.1465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1466 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1467 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1468 = private unnamed_addr constant [28 x i8] c"call void @finch_panic(ptr \00"
+@.str.1469 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1470 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1471 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1472 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.1473 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1474 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1475 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.1476 = private unnamed_addr constant [8 x i8] c"inrange\00"
+@.str.1477 = private unnamed_addr constant [14 x i8] c"icmp uge i64 \00"
+@.str.1478 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1479 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1480 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1481 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1482 = private unnamed_addr constant [34 x i8] c"call void @finch_panic_index(ptr \00"
+@.str.1483 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1484 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1485 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1486 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1487 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.1488 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1489 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1490 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1491 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1492 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1493 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1494 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1495 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1496 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1497 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1498 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1499 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.1500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1501 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.1502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1503 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1505 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1506 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1507 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
 @.str.1508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1509 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1510 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1511 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1512 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1513 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1514 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.1515 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
-@.str.1516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1517 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.1518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1519 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.1520 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1521 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.1522 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1523 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1524 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1525 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.1526 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1527 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1528 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.1529 = private unnamed_addr constant [7 x i8] c"n.cond\00"
-@.str.1530 = private unnamed_addr constant [7 x i8] c"n.body\00"
-@.str.1531 = private unnamed_addr constant [6 x i8] c"n.end\00"
+@.str.1509 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1511 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.1512 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.1513 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1514 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1515 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1516 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1517 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1518 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1519 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.1520 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
+@.str.1521 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1522 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.1523 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1524 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.1525 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1526 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.1527 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1528 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1529 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1530 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.1531 = private unnamed_addr constant [4 x i8] c"i64\00"
 @.str.1532 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1533 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.1534 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1535 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1533 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.1534 = private unnamed_addr constant [7 x i8] c"n.cond\00"
+@.str.1535 = private unnamed_addr constant [7 x i8] c"n.body\00"
+@.str.1536 = private unnamed_addr constant [6 x i8] c"n.end\00"
 @.str.1537 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1538 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.1539 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.1540 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1538 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.1539 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1540 = private unnamed_addr constant [4 x i8] c"i64\00"
 @.str.1541 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1542 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1543 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1544 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
-@.str.1545 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1546 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1547 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1548 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1549 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.1550 = private unnamed_addr constant [11 x i8] c"call void \00"
-@.str.1551 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.1552 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1553 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1554 = private unnamed_addr constant [13 x i8] c"@finch.copy.\00"
-@.str.1555 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1556 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1557 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1558 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1559 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1542 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1543 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.1544 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.1545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1546 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1547 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1548 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1549 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
+@.str.1550 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1551 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1552 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1553 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1554 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.1555 = private unnamed_addr constant [11 x i8] c"call void \00"
+@.str.1556 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.1557 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1558 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1559 = private unnamed_addr constant [13 x i8] c"@finch.copy.\00"
 @.str.1560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1561 = private unnamed_addr constant [56 x i8] c"call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 \00"
-@.str.1562 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1563 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1564 = private unnamed_addr constant [5 x i8] c"%dst\00"
-@.str.1565 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1566 = private unnamed_addr constant [5 x i8] c"%src\00"
-@.str.1567 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1568 = private unnamed_addr constant [65 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1\00"
-@.str.1569 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1570 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1571 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1572 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1573 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1574 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1575 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1576 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1577 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1578 = private unnamed_addr constant [56 x i8] c"call void @finch_map_clone_raw(ptr %dst, ptr %src, i64 \00"
-@.str.1579 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1580 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1561 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1562 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1563 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1564 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1566 = private unnamed_addr constant [56 x i8] c"call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 \00"
+@.str.1567 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1568 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1569 = private unnamed_addr constant [5 x i8] c"%dst\00"
+@.str.1570 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1571 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1572 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1573 = private unnamed_addr constant [65 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1\00"
+@.str.1574 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1575 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1576 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1577 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1578 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1579 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1580 = private unnamed_addr constant [7 x i8] c", i64 \00"
 @.str.1581 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1582 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1583 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1584 = private unnamed_addr constant [25 x i8] c", ptr %src, i32 0, i32 2\00"
-@.str.1585 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1582 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1583 = private unnamed_addr constant [56 x i8] c"call void @finch_map_clone_raw(ptr %dst, ptr %src, i64 \00"
+@.str.1584 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1585 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1586 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1587 = private unnamed_addr constant [5 x i8] c"%dst\00"
-@.str.1588 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1589 = private unnamed_addr constant [11 x i8] c"entry.live\00"
-@.str.1590 = private unnamed_addr constant [11 x i8] c"entry.next\00"
-@.str.1591 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.1592 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1593 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1594 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1595 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
-@.str.1596 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1598 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1599 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1600 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1601 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1602 = private unnamed_addr constant [5 x i8] c"%src\00"
-@.str.1603 = private unnamed_addr constant [5 x i8] c"%dst\00"
+@.str.1587 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1588 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1589 = private unnamed_addr constant [25 x i8] c", ptr %src, i32 0, i32 2\00"
+@.str.1590 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1591 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1592 = private unnamed_addr constant [5 x i8] c"%dst\00"
+@.str.1593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1594 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.1595 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.1596 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.1597 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1598 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1599 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1600 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
+@.str.1601 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1602 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1603 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1604 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1605 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1606 = private unnamed_addr constant [24 x i8] c", ptr %dst, i32 0, i32 \00"
-@.str.1607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1608 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1609 = private unnamed_addr constant [24 x i8] c", ptr %src, i32 0, i32 \00"
-@.str.1610 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1611 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1612 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.1613 = private unnamed_addr constant [22 x i8] c"define internal void \00"
-@.str.1614 = private unnamed_addr constant [21 x i8] c"(ptr %dst, ptr %src)\00"
-@.str.1615 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1616 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1617 = private unnamed_addr constant [36 x i8] c" = call i32 (ptr, ...) @printf(ptr \00"
-@.str.1618 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1619 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.1620 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1621 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.1622 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.1623 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1624 = private unnamed_addr constant [11 x i8] c"select i1 \00"
-@.str.1625 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1626 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1627 = private unnamed_addr constant [5 x i8] c"%lld\00"
-@.str.1628 = private unnamed_addr constant [5 x i8] c"i64 \00"
-@.str.1629 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1630 = private unnamed_addr constant [5 x i8] c"%llu\00"
-@.str.1631 = private unnamed_addr constant [5 x i8] c"i64 \00"
-@.str.1632 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1633 = private unnamed_addr constant [3 x i8] c"%g\00"
-@.str.1634 = private unnamed_addr constant [8 x i8] c"double \00"
-@.str.1635 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1636 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1637 = private unnamed_addr constant [9 x i8] c"sext i8 \00"
-@.str.1638 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.1639 = private unnamed_addr constant [5 x i8] c"'%c'\00"
-@.str.1640 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1641 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.1642 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1643 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1644 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.1645 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1646 = private unnamed_addr constant [11 x i8] c"select i1 \00"
-@.str.1647 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1648 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1649 = private unnamed_addr constant [3 x i8] c"%s\00"
-@.str.1650 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.1651 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1652 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.1653 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.1654 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.1655 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.1656 = private unnamed_addr constant [7 x i8] c"\22%.*s\22\00"
-@.str.1657 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1658 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1659 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.1660 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1661 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1662 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1663 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.1664 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.1665 = private unnamed_addr constant [9 x i8] c"ptr.null\00"
-@.str.1666 = private unnamed_addr constant [9 x i8] c"ptr.addr\00"
-@.str.1667 = private unnamed_addr constant [9 x i8] c"ptr.done\00"
-@.str.1668 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1669 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1670 = private unnamed_addr constant [7 x i8] c"0x%llx\00"
-@.str.1671 = private unnamed_addr constant [5 x i8] c"i64 \00"
-@.str.1672 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
-@.str.1673 = private unnamed_addr constant [8 x i8] c" to i64\00"
-@.str.1674 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1675 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1676 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1677 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.1678 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.1679 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.1680 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_print(ptr \00"
-@.str.1681 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1682 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_add(ptr \00"
-@.str.1683 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1684 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1685 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1686 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.1687 = private unnamed_addr constant [2 x i8] c"1\00"
-@.str.1688 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_int(ptr \00"
-@.str.1689 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1690 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1691 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1692 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_uint(ptr \00"
-@.str.1693 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1694 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1695 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1696 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_float(ptr \00"
-@.str.1697 = private unnamed_addr constant [10 x i8] c", double \00"
-@.str.1698 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1699 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1700 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1701 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_char(ptr \00"
-@.str.1702 = private unnamed_addr constant [6 x i8] c", i8 \00"
-@.str.1703 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.1704 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1705 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1706 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_bool(ptr \00"
-@.str.1707 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.1708 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.1709 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.1710 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1711 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1712 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_str(ptr \00"
-@.str.1713 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1714 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.1715 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1716 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1717 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1718 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_ptr(ptr \00"
-@.str.1719 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1720 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1721 = private unnamed_addr constant [11 x i8] c"call void \00"
-@.str.1722 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.1723 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1724 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1725 = private unnamed_addr constant [15 x i8] c"@finch.format.\00"
-@.str.1726 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1727 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1728 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1729 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.1730 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.1731 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1732 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1733 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1734 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1735 = private unnamed_addr constant [63 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1\00"
-@.str.1736 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1737 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.1738 = private unnamed_addr constant [4 x i8] c"sep\00"
-@.str.1739 = private unnamed_addr constant [5 x i8] c"item\00"
-@.str.1740 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
-@.str.1741 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1742 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1743 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1744 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1745 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1746 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.1747 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.1748 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1749 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1750 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1751 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.1752 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.1753 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1754 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.1755 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1756 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1757 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1758 = private unnamed_addr constant [11 x i8] c"enum.other\00"
-@.str.1759 = private unnamed_addr constant [10 x i8] c"enum.done\00"
-@.str.1760 = private unnamed_addr constant [7 x i8] c"enum.v\00"
-@.str.1761 = private unnamed_addr constant [5 x i8] c"i32 \00"
-@.str.1762 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1763 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1764 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1765 = private unnamed_addr constant [12 x i8] c"switch i32 \00"
-@.str.1766 = private unnamed_addr constant [10 x i8] c", label %\00"
-@.str.1767 = private unnamed_addr constant [4 x i8] c" [ \00"
-@.str.1768 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1769 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.1770 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1771 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.1772 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1773 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1774 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1775 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1776 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1777 = private unnamed_addr constant [40 x i8] c"call void @finch_buf_int(ptr %buf, i64 \00"
-@.str.1778 = private unnamed_addr constant [10 x i8] c"sext i32 \00"
-@.str.1779 = private unnamed_addr constant [8 x i8] c" to i64\00"
-@.str.1780 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1781 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1782 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1783 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.1784 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1785 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1786 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.1787 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1788 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.1789 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1790 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1791 = private unnamed_addr constant [23 x i8] c", ptr %a, i32 0, i32 2\00"
-@.str.1792 = private unnamed_addr constant [3 x i8] c"%a\00"
-@.str.1793 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1794 = private unnamed_addr constant [11 x i8] c"entry.live\00"
-@.str.1795 = private unnamed_addr constant [11 x i8] c"entry.next\00"
-@.str.1796 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.1797 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1798 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.1799 = private unnamed_addr constant [4 x i8] c"sep\00"
-@.str.1800 = private unnamed_addr constant [5 x i8] c"item\00"
-@.str.1801 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1802 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1803 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1804 = private unnamed_addr constant [3 x i8] c"i1\00"
-@.str.1805 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.1806 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1808 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1809 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1810 = private unnamed_addr constant [3 x i8] c": \00"
-@.str.1811 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1812 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1813 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1814 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1815 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.1816 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1817 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.1818 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1605 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1606 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1607 = private unnamed_addr constant [5 x i8] c"%src\00"
+@.str.1608 = private unnamed_addr constant [5 x i8] c"%dst\00"
+@.str.1609 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1610 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1611 = private unnamed_addr constant [24 x i8] c", ptr %dst, i32 0, i32 \00"
+@.str.1612 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1613 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1614 = private unnamed_addr constant [24 x i8] c", ptr %src, i32 0, i32 \00"
+@.str.1615 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1616 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1617 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.1618 = private unnamed_addr constant [22 x i8] c"define internal void \00"
+@.str.1619 = private unnamed_addr constant [21 x i8] c"(ptr %dst, ptr %src)\00"
+@.str.1620 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1621 = private unnamed_addr constant [31 x i8] c"call void @finch_str_drop(ptr \00"
+@.str.1622 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1623 = private unnamed_addr constant [11 x i8] c"call void \00"
+@.str.1624 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.1625 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1626 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1627 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.1628 = private unnamed_addr constant [13 x i8] c"@finch.drop.\00"
+@.str.1629 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1630 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1631 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1632 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1633 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1634 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1635 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1636 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1637 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1638 = private unnamed_addr constant [63 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1\00"
+@.str.1639 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1640 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1641 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1642 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1643 = private unnamed_addr constant [34 x i8] c"call void @finch_arr_free(ptr %a)\00"
+@.str.1644 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1645 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1646 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1647 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1648 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1649 = private unnamed_addr constant [23 x i8] c", ptr %a, i32 0, i32 2\00"
+@.str.1650 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1651 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1652 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.1653 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.1654 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.1655 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1656 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1657 = private unnamed_addr constant [34 x i8] c"call void @finch_map_free(ptr %a)\00"
+@.str.1658 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1659 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.1660 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1661 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1662 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1663 = private unnamed_addr constant [22 x i8] c", ptr %a, i32 0, i32 \00"
+@.str.1664 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1665 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1666 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.1667 = private unnamed_addr constant [22 x i8] c"define internal void \00"
+@.str.1668 = private unnamed_addr constant [9 x i8] c"(ptr %a)\00"
+@.str.1669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1670 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1671 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1672 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1673 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1674 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1675 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1676 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1677 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1678 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1679 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1680 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1681 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.1682 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1683 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.1684 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1685 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1686 = private unnamed_addr constant [36 x i8] c" = call i32 (ptr, ...) @printf(ptr \00"
+@.str.1687 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1688 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.1689 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1690 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.1691 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.1692 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1693 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.1694 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1695 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1696 = private unnamed_addr constant [5 x i8] c"%lld\00"
+@.str.1697 = private unnamed_addr constant [5 x i8] c"i64 \00"
+@.str.1698 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1699 = private unnamed_addr constant [5 x i8] c"%llu\00"
+@.str.1700 = private unnamed_addr constant [5 x i8] c"i64 \00"
+@.str.1701 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.1702 = private unnamed_addr constant [3 x i8] c"%g\00"
+@.str.1703 = private unnamed_addr constant [8 x i8] c"double \00"
+@.str.1704 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1705 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1706 = private unnamed_addr constant [9 x i8] c"sext i8 \00"
+@.str.1707 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.1708 = private unnamed_addr constant [5 x i8] c"'%c'\00"
+@.str.1709 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1710 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.1711 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1712 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1713 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.1714 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1715 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.1716 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1717 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1718 = private unnamed_addr constant [3 x i8] c"%s\00"
+@.str.1719 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.1720 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1721 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.1722 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.1723 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.1724 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.1725 = private unnamed_addr constant [7 x i8] c"\22%.*s\22\00"
+@.str.1726 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1727 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1728 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.1729 = private unnamed_addr constant [5 x i8] c"i32 \00"
+@.str.1730 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1731 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1732 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.1733 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.1734 = private unnamed_addr constant [9 x i8] c"ptr.null\00"
+@.str.1735 = private unnamed_addr constant [9 x i8] c"ptr.addr\00"
+@.str.1736 = private unnamed_addr constant [9 x i8] c"ptr.done\00"
+@.str.1737 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1738 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1739 = private unnamed_addr constant [7 x i8] c"0x%llx\00"
+@.str.1740 = private unnamed_addr constant [5 x i8] c"i64 \00"
+@.str.1741 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
+@.str.1742 = private unnamed_addr constant [8 x i8] c" to i64\00"
+@.str.1743 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1744 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1745 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1746 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.1747 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.1748 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.1749 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_print(ptr \00"
+@.str.1750 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1751 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_add(ptr \00"
+@.str.1752 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1753 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1754 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1755 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.1756 = private unnamed_addr constant [2 x i8] c"1\00"
+@.str.1757 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_int(ptr \00"
+@.str.1758 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1759 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1760 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1761 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_uint(ptr \00"
+@.str.1762 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1763 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.1764 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1765 = private unnamed_addr constant [32 x i8] c"call void @finch_buf_float(ptr \00"
+@.str.1766 = private unnamed_addr constant [10 x i8] c", double \00"
+@.str.1767 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1768 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1769 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1770 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_char(ptr \00"
+@.str.1771 = private unnamed_addr constant [6 x i8] c", i8 \00"
+@.str.1772 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.1773 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1774 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1775 = private unnamed_addr constant [31 x i8] c"call void @finch_buf_bool(ptr \00"
+@.str.1776 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.1777 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.1778 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.1779 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1780 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1781 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_str(ptr \00"
+@.str.1782 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1783 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.1784 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1785 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1786 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1787 = private unnamed_addr constant [30 x i8] c"call void @finch_buf_ptr(ptr \00"
+@.str.1788 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1789 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1790 = private unnamed_addr constant [11 x i8] c"call void \00"
+@.str.1791 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.1792 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1793 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1794 = private unnamed_addr constant [15 x i8] c"@finch.format.\00"
+@.str.1795 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1796 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1797 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1798 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.1799 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.1800 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1801 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1802 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1803 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1804 = private unnamed_addr constant [63 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1\00"
+@.str.1805 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1806 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.1807 = private unnamed_addr constant [4 x i8] c"sep\00"
+@.str.1808 = private unnamed_addr constant [5 x i8] c"item\00"
+@.str.1809 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
+@.str.1810 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1811 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1812 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1813 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1814 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1815 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.1816 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.1817 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1818 = private unnamed_addr constant [5 x i8] c"%buf\00"
 @.str.1819 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1820 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.1821 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.1822 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.1823 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1820 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.1821 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.1822 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1823 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.1824 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1825 = private unnamed_addr constant [3 x i8] c": \00"
-@.str.1826 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.1827 = private unnamed_addr constant [22 x i8] c", ptr %a, i32 0, i32 \00"
-@.str.1828 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1829 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1830 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1825 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.1826 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1827 = private unnamed_addr constant [11 x i8] c"enum.other\00"
+@.str.1828 = private unnamed_addr constant [10 x i8] c"enum.done\00"
+@.str.1829 = private unnamed_addr constant [7 x i8] c"enum.v\00"
+@.str.1830 = private unnamed_addr constant [5 x i8] c"i32 \00"
 @.str.1831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1832 = private unnamed_addr constant [5 x i8] c"%buf\00"
-@.str.1833 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1834 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.1835 = private unnamed_addr constant [22 x i8] c"define internal void \00"
-@.str.1836 = private unnamed_addr constant [19 x i8] c"(ptr %buf, ptr %a)\00"
-@.str.1837 = private unnamed_addr constant [7 x i8] c"trunc \00"
-@.str.1838 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1839 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1840 = private unnamed_addr constant [6 x i8] c"sext \00"
-@.str.1841 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1842 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1843 = private unnamed_addr constant [6 x i8] c"zext \00"
-@.str.1844 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1845 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1846 = private unnamed_addr constant [7 x i8] c"fpext \00"
-@.str.1847 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1848 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1849 = private unnamed_addr constant [9 x i8] c"fptrunc \00"
-@.str.1850 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1851 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1852 = private unnamed_addr constant [8 x i8] c"sitofp \00"
-@.str.1853 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1854 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1855 = private unnamed_addr constant [8 x i8] c"uitofp \00"
-@.str.1856 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.1857 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.1858 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1859 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1860 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.1861 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1862 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1863 = private unnamed_addr constant [12 x i8] c"the number \00"
-@.str.1864 = private unnamed_addr constant [17 x i8] c" doesn't fit in \00"
-@.str.1865 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1866 = private unnamed_addr constant [3 x i8] c".0\00"
-@.str.1867 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1868 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1869 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1870 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1871 = private unnamed_addr constant [10 x i8] c" must be \00"
-@.str.1872 = private unnamed_addr constant [15 x i8] c", but this is \00"
-@.str.1873 = private unnamed_addr constant [7 x i8] c" (use \00"
-@.str.1874 = private unnamed_addr constant [17 x i8] c"(...) to convert\00"
-@.str.1875 = private unnamed_addr constant [27 x i8] c", it cuts off the fraction\00"
-@.str.1876 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.1877 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1878 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1879 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1880 = private unnamed_addr constant [35 x i8] c" (turn it into text with str(...))\00"
+@.str.1832 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1833 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1834 = private unnamed_addr constant [12 x i8] c"switch i32 \00"
+@.str.1835 = private unnamed_addr constant [10 x i8] c", label %\00"
+@.str.1836 = private unnamed_addr constant [4 x i8] c" [ \00"
+@.str.1837 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1838 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.1839 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1840 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.1841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1842 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1844 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1845 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1846 = private unnamed_addr constant [40 x i8] c"call void @finch_buf_int(ptr %buf, i64 \00"
+@.str.1847 = private unnamed_addr constant [10 x i8] c"sext i32 \00"
+@.str.1848 = private unnamed_addr constant [8 x i8] c" to i64\00"
+@.str.1849 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1850 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1851 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1852 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.1853 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1854 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1855 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.1856 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1857 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.1858 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1859 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1860 = private unnamed_addr constant [23 x i8] c", ptr %a, i32 0, i32 2\00"
+@.str.1861 = private unnamed_addr constant [3 x i8] c"%a\00"
+@.str.1862 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1863 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.1864 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.1865 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.1866 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.1867 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.1868 = private unnamed_addr constant [4 x i8] c"sep\00"
+@.str.1869 = private unnamed_addr constant [5 x i8] c"item\00"
+@.str.1870 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1871 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1872 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1873 = private unnamed_addr constant [3 x i8] c"i1\00"
+@.str.1874 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.1875 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1876 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1877 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1878 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1879 = private unnamed_addr constant [3 x i8] c": \00"
+@.str.1880 = private unnamed_addr constant [5 x i8] c"%buf\00"
 @.str.1881 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1882 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1883 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1884 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1882 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1883 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1884 = private unnamed_addr constant [2 x i8] c"}\00"
 @.str.1885 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1886 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1886 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.1887 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1888 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1889 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1890 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1891 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1892 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1893 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.1894 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1895 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1896 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1888 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1889 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.1890 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.1891 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.1892 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1893 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1894 = private unnamed_addr constant [3 x i8] c": \00"
+@.str.1895 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.1896 = private unnamed_addr constant [22 x i8] c", ptr %a, i32 0, i32 \00"
 @.str.1897 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1898 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1899 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
+@.str.1898 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1899 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1900 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1901 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.1902 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1903 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1904 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1905 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1906 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1907 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1908 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1909 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1910 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1912 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1913 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1915 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1916 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1917 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1918 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1919 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1920 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1921 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1922 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1923 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1924 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.1925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1926 = private unnamed_addr constant [6 x i8] c"print\00"
-@.str.1927 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.1928 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.1929 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.1930 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.1931 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.1932 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.1933 = private unnamed_addr constant [10 x i8] c"read_file\00"
-@.str.1934 = private unnamed_addr constant [11 x i8] c"write_file\00"
-@.str.1935 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.1936 = private unnamed_addr constant [6 x i8] c"shell\00"
-@.str.1937 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.1938 = private unnamed_addr constant [6 x i8] c"input\00"
-@.str.1939 = private unnamed_addr constant [4 x i8] c"new\00"
-@.str.1940 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.1941 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.1942 = private unnamed_addr constant [12 x i8] c"delete_file\00"
-@.str.1943 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.1944 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.1945 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.1946 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.1947 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.1948 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.1949 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.1950 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.1951 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.1952 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.1953 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.1954 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.1955 = private unnamed_addr constant [19 x i8] c"a variable named '\00"
-@.str.1956 = private unnamed_addr constant [22 x i8] c"' already exists here\00"
+@.str.1901 = private unnamed_addr constant [5 x i8] c"%buf\00"
+@.str.1902 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1903 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.1904 = private unnamed_addr constant [22 x i8] c"define internal void \00"
+@.str.1905 = private unnamed_addr constant [19 x i8] c"(ptr %buf, ptr %a)\00"
+@.str.1906 = private unnamed_addr constant [7 x i8] c"trunc \00"
+@.str.1907 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1908 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1909 = private unnamed_addr constant [6 x i8] c"sext \00"
+@.str.1910 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1911 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1912 = private unnamed_addr constant [6 x i8] c"zext \00"
+@.str.1913 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1914 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1915 = private unnamed_addr constant [7 x i8] c"fpext \00"
+@.str.1916 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1917 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1918 = private unnamed_addr constant [9 x i8] c"fptrunc \00"
+@.str.1919 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1920 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1921 = private unnamed_addr constant [8 x i8] c"sitofp \00"
+@.str.1922 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1923 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1924 = private unnamed_addr constant [8 x i8] c"uitofp \00"
+@.str.1925 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.1926 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.1927 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1928 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1929 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.1930 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1931 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.1932 = private unnamed_addr constant [12 x i8] c"the number \00"
+@.str.1933 = private unnamed_addr constant [17 x i8] c" doesn't fit in \00"
+@.str.1934 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1935 = private unnamed_addr constant [3 x i8] c".0\00"
+@.str.1936 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1937 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1938 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.1939 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.1940 = private unnamed_addr constant [10 x i8] c" must be \00"
+@.str.1941 = private unnamed_addr constant [15 x i8] c", but this is \00"
+@.str.1942 = private unnamed_addr constant [7 x i8] c" (use \00"
+@.str.1943 = private unnamed_addr constant [17 x i8] c"(...) to convert\00"
+@.str.1944 = private unnamed_addr constant [27 x i8] c", it cuts off the fraction\00"
+@.str.1945 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.1946 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1947 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.1948 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.1949 = private unnamed_addr constant [35 x i8] c" (turn it into text with str(...))\00"
+@.str.1950 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1951 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1952 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1953 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1954 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1955 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1956 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1958 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.1959 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1960 = private unnamed_addr constant [36 x i8] c"' is already the name of a function\00"
-@.str.1961 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.1962 = private unnamed_addr constant [39 x i8] c"' is a built-in name, pick another one\00"
+@.str.1958 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1960 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1961 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1962 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.1963 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1964 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.1965 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1966 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1966 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1967 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1968 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1969 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
-@.str.1970 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1971 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.1968 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
+@.str.1969 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1970 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.1971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1972 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1973 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1974 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.1974 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.1975 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1976 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.1977 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.1976 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1977 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1979 = private unnamed_addr constant [2 x i8] c"$\00"
+@.str.1979 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.1980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1981 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.1982 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1983 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.1981 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1982 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1983 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.1984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1985 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1986 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.1987 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1985 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1987 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.1988 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1989 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.1990 = private unnamed_addr constant [4 x i8] c"@V\09\00"
-@.str.1991 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1992 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1993 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1994 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.1995 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.1996 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1997 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1998 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.1999 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2000 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.2001 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2002 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.2003 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.2004 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.2005 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.2006 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.2007 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2008 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2009 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2011 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2012 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2013 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.2014 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2015 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2016 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2017 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2018 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2019 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2020 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
-@.str.2021 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2022 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2023 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2024 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2025 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
+@.str.1989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1990 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1991 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1992 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1993 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.1994 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.1995 = private unnamed_addr constant [6 x i8] c"print\00"
+@.str.1996 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.1997 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.1998 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.1999 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2000 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.2001 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2002 = private unnamed_addr constant [10 x i8] c"read_file\00"
+@.str.2003 = private unnamed_addr constant [11 x i8] c"write_file\00"
+@.str.2004 = private unnamed_addr constant [12 x i8] c"file_exists\00"
+@.str.2005 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.2006 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.2007 = private unnamed_addr constant [6 x i8] c"input\00"
+@.str.2008 = private unnamed_addr constant [4 x i8] c"new\00"
+@.str.2009 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.2010 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2011 = private unnamed_addr constant [12 x i8] c"delete_file\00"
+@.str.2012 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.2013 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.2014 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.2015 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.2016 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.2017 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.2018 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.2019 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.2020 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2021 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.2022 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.2023 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.2024 = private unnamed_addr constant [19 x i8] c"a variable named '\00"
+@.str.2025 = private unnamed_addr constant [22 x i8] c"' already exists here\00"
 @.str.2026 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2027 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.2028 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2029 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2030 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.2031 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2032 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2033 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2034 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
-@.str.2035 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2036 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2027 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2028 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2029 = private unnamed_addr constant [36 x i8] c"' is already the name of a function\00"
+@.str.2030 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2031 = private unnamed_addr constant [39 x i8] c"' is a built-in name, pick another one\00"
+@.str.2032 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2033 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2034 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2035 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2036 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2037 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2038 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.2038 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.2039 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2040 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2041 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2042 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2040 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2041 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2042 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2043 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2044 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.2045 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.2046 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.2047 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.2044 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.2045 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2046 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.2047 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2048 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2049 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2050 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.2051 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.2052 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.2053 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.2054 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.2055 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.2056 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.2057 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.2058 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.2049 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.2050 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2051 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.2052 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.2053 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2054 = private unnamed_addr constant [2 x i8] c"$\00"
+@.str.2055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2056 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2057 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2058 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2060 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.2061 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2062 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2060 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2061 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2062 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2064 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.2065 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.2066 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2067 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2068 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2069 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2070 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2071 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2072 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2073 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2064 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.2065 = private unnamed_addr constant [4 x i8] c"@V\09\00"
+@.str.2066 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2067 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2068 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2069 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.2070 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2071 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2072 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2073 = private unnamed_addr constant [2 x i8] c"\09\00"
 @.str.2074 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2075 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2075 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.2076 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2078 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2079 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2080 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2081 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2082 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2077 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2078 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.2079 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.2080 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2081 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.2082 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.2083 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2084 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2085 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2086 = private unnamed_addr constant [13 x i8] c"the struct '\00"
-@.str.2087 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
-@.str.2088 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2089 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2091 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2092 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2093 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2094 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2095 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2084 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2086 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.2087 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2088 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2090 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2092 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.2093 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2094 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2095 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2097 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2097 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.2098 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2099 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2100 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2101 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2102 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2101 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2103 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2104 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2105 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2105 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.2106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2107 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2107 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
 @.str.2108 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2109 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2109 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.2110 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2111 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2111 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.2112 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2113 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2114 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.2115 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2115 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
 @.str.2116 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2117 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2117 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
 @.str.2118 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2119 = private unnamed_addr constant [10 x i8] c"the enum \00"
-@.str.2120 = private unnamed_addr constant [18 x i8] c" has the variant \00"
-@.str.2121 = private unnamed_addr constant [7 x i8] c" twice\00"
-@.str.2122 = private unnamed_addr constant [17 x i8] c"two variants of \00"
-@.str.2123 = private unnamed_addr constant [18 x i8] c" have the number \00"
-@.str.2124 = private unnamed_addr constant [21 x i8] c" (give each its own)\00"
-@.str.2125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2126 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.2127 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2128 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.2129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2130 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2131 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2132 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2133 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.2134 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2136 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2137 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2138 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2139 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2140 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2141 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2142 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2143 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2119 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2122 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2123 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2124 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2125 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
+@.str.2126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2127 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
+@.str.2128 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2129 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2130 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.2131 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.2132 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.2133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2134 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2135 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.2136 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.2137 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.2138 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.2139 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.2140 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.2141 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.2142 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.2143 = private unnamed_addr constant [7 x i8] c"assign\00"
 @.str.2144 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2145 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2145 = private unnamed_addr constant [7 x i8] c"method\00"
 @.str.2146 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2148 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2149 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2150 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2147 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2148 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2149 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.2150 = private unnamed_addr constant [5 x i8] c"addr\00"
 @.str.2151 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2152 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2153 = private unnamed_addr constant [11 x i8] c"function '\00"
-@.str.2154 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
-@.str.2155 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2156 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2157 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2158 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
-@.str.2159 = private unnamed_addr constant [54 x i8] c"' here (a method goes in the same file as its struct)\00"
-@.str.2160 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2161 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2152 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2153 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2155 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2156 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2157 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2158 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2160 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2161 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2162 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2163 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2163 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2165 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2165 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2167 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2168 = private unnamed_addr constant [12 x i8] c"the method \00"
-@.str.2169 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2170 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
-@.str.2171 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2172 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2173 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2174 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2175 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.2176 = private unnamed_addr constant [27 x i8] c"there is no struct named '\00"
-@.str.2177 = private unnamed_addr constant [77 x i8] c"' here (a method goes in the same file as its struct, or on a struct from C)\00"
-@.str.2178 = private unnamed_addr constant [12 x i8] c"the method \00"
-@.str.2179 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2180 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
+@.str.2168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2169 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2170 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2171 = private unnamed_addr constant [13 x i8] c"the struct '\00"
+@.str.2172 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2173 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2174 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2175 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2176 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2178 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2180 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2182 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2182 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2184 = private unnamed_addr constant [12 x i8] c"the struct \00"
-@.str.2185 = private unnamed_addr constant [29 x i8] c" already has a field named '\00"
-@.str.2186 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.2187 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2188 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2189 = private unnamed_addr constant [11 x i8] c"function '\00"
-@.str.2190 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
-@.str.2191 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.2192 = private unnamed_addr constant [44 x i8] c"' is a built-in function, pick another name\00"
+@.str.2184 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2185 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2186 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2187 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2188 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2189 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2190 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2191 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2192 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2193 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2194 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2195 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2196 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2197 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2198 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2199 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2201 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2202 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2203 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2204 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2205 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2206 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2207 = private unnamed_addr constant [23 x i8] c"'self' is already the \00"
-@.str.2208 = private unnamed_addr constant [25 x i8] c" the method is called on\00"
-@.str.2209 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2194 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2196 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2198 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2199 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2200 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2201 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2202 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2203 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2204 = private unnamed_addr constant [10 x i8] c"the enum \00"
+@.str.2205 = private unnamed_addr constant [18 x i8] c" has the variant \00"
+@.str.2206 = private unnamed_addr constant [7 x i8] c" twice\00"
+@.str.2207 = private unnamed_addr constant [17 x i8] c"two variants of \00"
+@.str.2208 = private unnamed_addr constant [18 x i8] c" have the number \00"
+@.str.2209 = private unnamed_addr constant [21 x i8] c" (give each its own)\00"
 @.str.2210 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2211 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2211 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.2212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2213 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2213 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.2214 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2215 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2216 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2217 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2215 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2216 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2217 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2218 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.2219 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2220 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2221 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2220 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2221 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2222 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2223 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2224 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2225 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2225 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2229 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2228 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2230 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2231 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2232 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2232 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2233 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2234 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2235 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2236 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2237 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2238 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
-@.str.2239 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2240 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2241 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2243 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2244 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2245 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2246 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2237 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2238 = private unnamed_addr constant [11 x i8] c"function '\00"
+@.str.2239 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2240 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2241 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2242 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2243 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
+@.str.2244 = private unnamed_addr constant [54 x i8] c"' here (a method goes in the same file as its struct)\00"
+@.str.2245 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2246 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2247 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2248 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2248 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2249 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2250 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2251 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2253 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2254 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2255 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2250 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2251 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2252 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2253 = private unnamed_addr constant [12 x i8] c"the method \00"
+@.str.2254 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2255 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
 @.str.2256 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2257 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
-@.str.2258 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2259 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2260 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2261 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2262 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2263 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2264 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2265 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2257 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2258 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2259 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2260 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.2261 = private unnamed_addr constant [27 x i8] c"there is no struct named '\00"
+@.str.2262 = private unnamed_addr constant [77 x i8] c"' here (a method goes in the same file as its struct, or on a struct from C)\00"
+@.str.2263 = private unnamed_addr constant [12 x i8] c"the method \00"
+@.str.2264 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2265 = private unnamed_addr constant [18 x i8] c" is defined twice\00"
 @.str.2266 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2267 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2267 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2268 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2269 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2270 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2271 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2272 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2273 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2274 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2275 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2276 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2277 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2269 = private unnamed_addr constant [12 x i8] c"the struct \00"
+@.str.2270 = private unnamed_addr constant [29 x i8] c" already has a field named '\00"
+@.str.2271 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2272 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2273 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2274 = private unnamed_addr constant [11 x i8] c"function '\00"
+@.str.2275 = private unnamed_addr constant [19 x i8] c"' is defined twice\00"
+@.str.2276 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2277 = private unnamed_addr constant [44 x i8] c"' is a built-in function, pick another name\00"
 @.str.2278 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2279 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2280 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2279 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2280 = private unnamed_addr constant [8 x i8] c"@finch.\00"
 @.str.2281 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2282 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2284 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2282 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2283 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2284 = private unnamed_addr constant [8 x i8] c"@finch.\00"
 @.str.2285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2286 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
-@.str.2287 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2288 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2286 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2287 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2288 = private unnamed_addr constant [2 x i8] c".\00"
 @.str.2289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2290 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2291 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2292 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
-@.str.2293 = private unnamed_addr constant [29 x i8] c"' (a struct written  struct \00"
-@.str.2294 = private unnamed_addr constant [35 x i8] c"[T] { ... }  takes type arguments)\00"
+@.str.2290 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2291 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2292 = private unnamed_addr constant [23 x i8] c"'self' is already the \00"
+@.str.2293 = private unnamed_addr constant [25 x i8] c" the method is called on\00"
+@.str.2294 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2296 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2296 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2297 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2298 = private unnamed_addr constant [8 x i8] c" takes \00"
-@.str.2299 = private unnamed_addr constant [25 x i8] c" type argument(s), like \00"
-@.str.2300 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2301 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2302 = private unnamed_addr constant [12 x i8] c"], but got \00"
-@.str.2303 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2304 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.2305 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2306 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2298 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2300 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2302 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2303 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2304 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2305 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2306 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2307 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2308 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2309 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2310 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2311 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2308 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2309 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2310 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2312 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2313 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2314 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.2313 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2314 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2316 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2317 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2317 = private unnamed_addr constant [5 x i8] c"self\00"
 @.str.2318 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2319 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2320 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2321 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2322 = private unnamed_addr constant [8 x i8] c"@finch.\00"
-@.str.2323 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2324 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.2325 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2326 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2320 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2322 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2323 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
+@.str.2324 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2325 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2327 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2328 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2328 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2330 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2330 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2332 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2333 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2334 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2332 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2333 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2334 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2336 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2336 = private unnamed_addr constant [5 x i8] c"self\00"
 @.str.2337 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2338 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2339 = private unnamed_addr constant [18 x i8] c" (while building \00"
-@.str.2340 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2338 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2339 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2341 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2342 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2342 = private unnamed_addr constant [27 x i8] c"used .mm on a null pointer\00"
 @.str.2343 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2344 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2344 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2345 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2346 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2346 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2347 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2348 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2349 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2348 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2349 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2350 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2351 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2352 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2353 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2351 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2352 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2353 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2354 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2355 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2355 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2356 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2357 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2359 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2360 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.2359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2360 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2362 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
+@.str.2362 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2363 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2364 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2365 = private unnamed_addr constant [30 x i8] c"used .types on a null pointer\00"
+@.str.2364 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2365 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2366 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2368 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
+@.str.2367 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2368 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2369 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2370 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2371 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.2372 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.2373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2370 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2371 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2372 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2373 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
 @.str.2374 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2375 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2376 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2377 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2378 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2379 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2375 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2376 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2377 = private unnamed_addr constant [35 x i8] c"there is no generic struct named '\00"
+@.str.2378 = private unnamed_addr constant [29 x i8] c"' (a struct written  struct \00"
+@.str.2379 = private unnamed_addr constant [35 x i8] c"[T] { ... }  takes type arguments)\00"
 @.str.2380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2381 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.2382 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2383 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2384 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2385 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2386 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2387 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2388 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2389 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2381 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2382 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2383 = private unnamed_addr constant [8 x i8] c" takes \00"
+@.str.2384 = private unnamed_addr constant [25 x i8] c" type argument(s), like \00"
+@.str.2385 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2386 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2387 = private unnamed_addr constant [12 x i8] c"], but got \00"
+@.str.2388 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2389 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.2390 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2391 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2392 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2393 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2394 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2395 = private unnamed_addr constant [8 x i8] c" takes \00"
-@.str.2396 = private unnamed_addr constant [28 x i8] c" type argument(s), but got \00"
-@.str.2397 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2398 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2399 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2400 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2401 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2402 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2403 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2405 = private unnamed_addr constant [30 x i8] c"this has no type to work out \00"
-@.str.2406 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2407 = private unnamed_addr constant [6 x i8] c" from\00"
-@.str.2408 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2409 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2410 = private unnamed_addr constant [17 x i8] c"can't tell what \00"
-@.str.2411 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2412 = private unnamed_addr constant [25 x i8] c" is here; write it out: \00"
-@.str.2413 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
-@.str.2414 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2415 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2416 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.2417 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2391 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2392 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2393 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2394 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2395 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2396 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2397 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2398 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2399 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.2400 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2401 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2403 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2404 = private unnamed_addr constant [8 x i8] c"@finch.\00"
+@.str.2405 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2406 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2407 = private unnamed_addr constant [8 x i8] c"@finch.\00"
+@.str.2408 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2409 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2410 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2411 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2412 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2413 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2414 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2415 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2416 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2417 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2418 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2419 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2419 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.2420 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2421 = private unnamed_addr constant [11 x i8] c"argument '\00"
+@.str.2421 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
 @.str.2422 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2423 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.2424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2425 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2423 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2424 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2425 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2427 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.2427 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2428 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2429 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2431 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2433 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2434 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2435 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2436 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2437 = private unnamed_addr constant [7 x i8] c" x i8]\00"
-@.str.2438 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2439 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2440 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2434 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2436 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2438 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2439 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2440 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2441 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2442 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2442 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2443 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2444 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2445 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2444 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2445 = private unnamed_addr constant [6 x i8] c"named\00"
 @.str.2446 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2447 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2448 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2447 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
+@.str.2448 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2449 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2450 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.2451 = private unnamed_addr constant [7 x i8] c" x i8]\00"
+@.str.2450 = private unnamed_addr constant [30 x i8] c"used .types on a null pointer\00"
+@.str.2451 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2452 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2453 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2453 = private unnamed_addr constant [30 x i8] c"used .bound on a null pointer\00"
 @.str.2454 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2455 = private unnamed_addr constant [50 x i8] c"has fields Finch can't see (unions or bit fields)\00"
-@.str.2456 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2457 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2455 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.2456 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2457 = private unnamed_addr constant [6 x i8] c"fixed\00"
 @.str.2458 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2459 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2460 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2461 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2460 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2461 = private unnamed_addr constant [4 x i8] c"map\00"
 @.str.2462 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2463 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2463 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2466 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2467 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2466 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.2467 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.2468 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2469 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.2470 = private unnamed_addr constant [6 x i8] c"%S.C.\00"
-@.str.2471 = private unnamed_addr constant [11 x i8] c" = type { \00"
-@.str.2472 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2473 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.2474 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2475 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2469 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2470 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2471 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2472 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2473 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2474 = private unnamed_addr constant [34 x i8] c"used .templates on a null pointer\00"
+@.str.2475 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2476 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2477 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2478 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2477 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2478 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2479 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2480 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2481 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2482 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2483 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2484 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2485 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2486 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2487 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2488 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2489 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2490 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2480 = private unnamed_addr constant [8 x i8] c" takes \00"
+@.str.2481 = private unnamed_addr constant [28 x i8] c" type argument(s), but got \00"
+@.str.2482 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2483 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2484 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2485 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2486 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2487 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.2488 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2489 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2490 = private unnamed_addr constant [5 x i8] c"null\00"
 @.str.2491 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2492 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2493 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2494 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2495 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2492 = private unnamed_addr constant [30 x i8] c"this has no type to work out \00"
+@.str.2493 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2494 = private unnamed_addr constant [6 x i8] c" from\00"
+@.str.2495 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2496 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2497 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2498 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2499 = private unnamed_addr constant [18 x i8] c" (while building \00"
-@.str.2500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2501 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2497 = private unnamed_addr constant [17 x i8] c"can't tell what \00"
+@.str.2498 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2499 = private unnamed_addr constant [25 x i8] c" is here; write it out: \00"
+@.str.2500 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
+@.str.2501 = private unnamed_addr constant [5 x i8] c"void\00"
 @.str.2502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2503 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2503 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2505 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2505 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2506 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2507 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.2508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2509 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2511 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2512 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2513 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.2514 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2515 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2507 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2508 = private unnamed_addr constant [11 x i8] c"argument '\00"
+@.str.2509 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2510 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.2511 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2512 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2513 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2514 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.2515 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2516 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2517 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2519 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2520 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2519 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2520 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2521 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2522 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2523 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2524 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2525 = private unnamed_addr constant [12 x i8] c"the struct \00"
-@.str.2526 = private unnamed_addr constant [27 x i8] c" contains itself; use ptr[\00"
-@.str.2527 = private unnamed_addr constant [8 x i8] c"] or []\00"
-@.str.2528 = private unnamed_addr constant [16 x i8] c" for that field\00"
-@.str.2529 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2530 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2522 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2523 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2524 = private unnamed_addr constant [7 x i8] c" x i8]\00"
+@.str.2525 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2526 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2527 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2528 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2529 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2530 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2531 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2532 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2533 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2532 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2533 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2534 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2535 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2537 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2538 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2539 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2540 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2541 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2542 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2537 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.2538 = private unnamed_addr constant [7 x i8] c" x i8]\00"
+@.str.2539 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2540 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2541 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2542 = private unnamed_addr constant [50 x i8] c"has fields Finch can't see (unions or bit fields)\00"
 @.str.2543 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2544 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
@@ -2658,4615 +2660,4845 @@ declare ptr @getenv(ptr)
 @.str.2553 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2554 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2555 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2556 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2557 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2558 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2559 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2561 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.2562 = private unnamed_addr constant [4 x i8] c"%S.\00"
+@.str.2556 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.2557 = private unnamed_addr constant [6 x i8] c"%S.C.\00"
+@.str.2558 = private unnamed_addr constant [11 x i8] c" = type { \00"
+@.str.2559 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2560 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.2561 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2562 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2563 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2564 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2566 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2564 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2565 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2568 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2570 = private unnamed_addr constant [11 x i8] c" = type { \00"
-@.str.2571 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2572 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.2573 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2574 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2575 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2576 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2577 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2578 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2570 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2571 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2572 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2573 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2574 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2575 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2576 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2577 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2578 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2579 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2580 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.2581 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.2582 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2583 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.2584 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.2585 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.2586 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.2587 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.2588 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.2589 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.2590 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.2591 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.2592 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2593 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2594 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.2580 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2581 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2582 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2583 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2584 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2585 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2586 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2587 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2588 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2589 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2590 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2591 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2592 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2594 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.2595 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2596 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2596 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
 @.str.2597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2598 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2598 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2599 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2600 = private unnamed_addr constant [43 x i8] c"!DIDerivedType(tag: DW_TAG_member, name: \22\00"
-@.str.2601 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
-@.str.2602 = private unnamed_addr constant [10 x i8] c", file: !\00"
-@.str.2603 = private unnamed_addr constant [9 x i8] c", line: \00"
-@.str.2604 = private unnamed_addr constant [13 x i8] c", baseType: \00"
-@.str.2605 = private unnamed_addr constant [9 x i8] c", size: \00"
-@.str.2606 = private unnamed_addr constant [11 x i8] c", offset: \00"
-@.str.2607 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2608 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
-@.str.2609 = private unnamed_addr constant [10 x i8] c"\22, size: \00"
-@.str.2610 = private unnamed_addr constant [13 x i8] c", encoding: \00"
-@.str.2611 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2612 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2613 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2614 = private unnamed_addr constant [3 x i8] c"T:\00"
-@.str.2615 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2616 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2617 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2618 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2600 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2601 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2602 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2603 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2604 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2605 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2606 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2608 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2609 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2610 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2611 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2612 = private unnamed_addr constant [12 x i8] c"the struct \00"
+@.str.2613 = private unnamed_addr constant [27 x i8] c" contains itself; use ptr[\00"
+@.str.2614 = private unnamed_addr constant [8 x i8] c"] or []\00"
+@.str.2615 = private unnamed_addr constant [16 x i8] c" for that field\00"
+@.str.2616 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2617 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2618 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2619 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2620 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2621 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.2622 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2623 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.2624 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.2625 = private unnamed_addr constant [15 x i8] c"DW_ATE_boolean\00"
-@.str.2626 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2627 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.2628 = private unnamed_addr constant [19 x i8] c"DW_ATE_signed_char\00"
-@.str.2629 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2630 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2631 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
-@.str.2632 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.2633 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.2634 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
-@.str.2635 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.2636 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.2637 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
-@.str.2638 = private unnamed_addr constant [16 x i8] c"DW_ATE_unsigned\00"
-@.str.2639 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
-@.str.2640 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2620 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2621 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2622 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2623 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2624 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2625 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2626 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2627 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2628 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2629 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2630 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2631 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2632 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2633 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2634 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2635 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2636 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2637 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2638 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2639 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2640 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2641 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2642 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.2643 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2644 = private unnamed_addr constant [22 x i8] c"!DIEnumerator(name: \22\00"
-@.str.2645 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2646 = private unnamed_addr constant [11 x i8] c"\22, value: \00"
+@.str.2642 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2643 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.2644 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2645 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2646 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2647 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2648 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2649 = private unnamed_addr constant [55 x i8] c"!DICompositeType(tag: DW_TAG_enumeration_type, name: \22\00"
-@.str.2650 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2651 = private unnamed_addr constant [25 x i8] c", size: 32, elements: !{\00"
-@.str.2652 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2653 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2654 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2655 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2656 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2657 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.2658 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2659 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
-@.str.2660 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
-@.str.2661 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2662 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2663 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2664 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.2665 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2666 = private unnamed_addr constant [20 x i8] c"!DISubrange(count: \00"
-@.str.2667 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2668 = private unnamed_addr constant [52 x i8] c"!DICompositeType(tag: DW_TAG_array_type, baseType: \00"
-@.str.2669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2670 = private unnamed_addr constant [9 x i8] c", size: \00"
-@.str.2671 = private unnamed_addr constant [16 x i8] c", elements: !{!\00"
-@.str.2672 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2673 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2674 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2675 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2676 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.2677 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2678 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2648 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.2649 = private unnamed_addr constant [4 x i8] c"%S.\00"
+@.str.2650 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2651 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2652 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2653 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.2654 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2655 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2656 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2657 = private unnamed_addr constant [11 x i8] c" = type { \00"
+@.str.2658 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2659 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.2660 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2661 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2663 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2664 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2665 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2666 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2667 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.2668 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2669 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2670 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.2671 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.2672 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.2673 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.2674 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.2675 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.2676 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2677 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2678 = private unnamed_addr constant [4 x i8] c"str\00"
 @.str.2679 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.2680 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2681 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
-@.str.2682 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
-@.str.2683 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2684 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.2685 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.2686 = private unnamed_addr constant [4 x i8] c"cap\00"
-@.str.2687 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
-@.str.2688 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2689 = private unnamed_addr constant [38 x i8] c", size: 192, align: 64, elements: !{!\00"
-@.str.2690 = private unnamed_addr constant [4 x i8] c", !\00"
-@.str.2691 = private unnamed_addr constant [4 x i8] c", !\00"
-@.str.2692 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2693 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2694 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2695 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2696 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.2697 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.2698 = private unnamed_addr constant [67 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)\00"
-@.str.2699 = private unnamed_addr constant [8 x i8] c"entries\00"
-@.str.2700 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.2701 = private unnamed_addr constant [5 x i8] c"used\00"
-@.str.2702 = private unnamed_addr constant [4 x i8] c"cap\00"
-@.str.2703 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.2704 = private unnamed_addr constant [5 x i8] c"icap\00"
-@.str.2705 = private unnamed_addr constant [5 x i8] c"adds\00"
-@.str.2706 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2680 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2681 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.2682 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2683 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2684 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2685 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.2686 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2687 = private unnamed_addr constant [43 x i8] c"!DIDerivedType(tag: DW_TAG_member, name: \22\00"
+@.str.2688 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
+@.str.2689 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2690 = private unnamed_addr constant [9 x i8] c", line: \00"
+@.str.2691 = private unnamed_addr constant [13 x i8] c", baseType: \00"
+@.str.2692 = private unnamed_addr constant [9 x i8] c", size: \00"
+@.str.2693 = private unnamed_addr constant [11 x i8] c", offset: \00"
+@.str.2694 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2695 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
+@.str.2696 = private unnamed_addr constant [10 x i8] c"\22, size: \00"
+@.str.2697 = private unnamed_addr constant [13 x i8] c", encoding: \00"
+@.str.2698 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2699 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.2700 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.2701 = private unnamed_addr constant [3 x i8] c"T:\00"
+@.str.2702 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2703 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2704 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2705 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2706 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2707 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2708 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
-@.str.2709 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2710 = private unnamed_addr constant [37 x i8] c", size: 448, align: 64, elements: !{\00"
-@.str.2711 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2712 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2713 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2714 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2715 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2716 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2717 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2718 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.2719 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2720 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2721 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.2722 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2723 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2724 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2725 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
-@.str.2726 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
-@.str.2727 = private unnamed_addr constant [9 x i8] c", size: \00"
-@.str.2728 = private unnamed_addr constant [25 x i8] c", align: 8, elements: !{\00"
-@.str.2729 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2730 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2731 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2732 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2733 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2734 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
-@.str.2735 = private unnamed_addr constant [40 x i8] c"\22, size: 64, encoding: DW_ATE_unsigned)\00"
-@.str.2736 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2737 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2739 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2740 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2741 = private unnamed_addr constant [3 x i8] c"L:\00"
+@.str.2708 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.2709 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2710 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2711 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.2712 = private unnamed_addr constant [15 x i8] c"DW_ATE_boolean\00"
+@.str.2713 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2714 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2715 = private unnamed_addr constant [19 x i8] c"DW_ATE_signed_char\00"
+@.str.2716 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2717 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2718 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
+@.str.2719 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.2720 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.2721 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
+@.str.2722 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2723 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.2724 = private unnamed_addr constant [13 x i8] c"DW_ATE_float\00"
+@.str.2725 = private unnamed_addr constant [16 x i8] c"DW_ATE_unsigned\00"
+@.str.2726 = private unnamed_addr constant [14 x i8] c"DW_ATE_signed\00"
+@.str.2727 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2728 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2729 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.2730 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2731 = private unnamed_addr constant [22 x i8] c"!DIEnumerator(name: \22\00"
+@.str.2732 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2733 = private unnamed_addr constant [11 x i8] c"\22, value: \00"
+@.str.2734 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2735 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2736 = private unnamed_addr constant [55 x i8] c"!DICompositeType(tag: DW_TAG_enumeration_type, name: \22\00"
+@.str.2737 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2738 = private unnamed_addr constant [25 x i8] c", size: 32, elements: !{\00"
+@.str.2739 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2740 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2741 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.2742 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2743 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2744 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.2743 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2744 = private unnamed_addr constant [4 x i8] c"ptr\00"
 @.str.2745 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2746 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2747 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.2746 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
+@.str.2747 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
 @.str.2748 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2749 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2749 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2750 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2751 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2751 = private unnamed_addr constant [6 x i8] c"fixed\00"
 @.str.2752 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2753 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
-@.str.2754 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2755 = private unnamed_addr constant [19 x i8] c"!DILocation(line: \00"
+@.str.2753 = private unnamed_addr constant [20 x i8] c"!DISubrange(count: \00"
+@.str.2754 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2755 = private unnamed_addr constant [52 x i8] c"!DICompositeType(tag: DW_TAG_array_type, baseType: \00"
 @.str.2756 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2757 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2758 = private unnamed_addr constant [11 x i8] c", column: \00"
-@.str.2759 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2760 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2761 = private unnamed_addr constant [11 x i8] c", scope: !\00"
+@.str.2757 = private unnamed_addr constant [9 x i8] c", size: \00"
+@.str.2758 = private unnamed_addr constant [16 x i8] c", elements: !{!\00"
+@.str.2759 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2760 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2761 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2762 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2763 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2764 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2765 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2766 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2763 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.2764 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.2765 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.2766 = private unnamed_addr constant [6 x i8] c"array\00"
 @.str.2767 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2768 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2769 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.2770 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2771 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.2772 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2773 = private unnamed_addr constant [28 x i8] c"!DISubroutineType(types: !{\00"
-@.str.2774 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2775 = private unnamed_addr constant [3 x i8] c"})\00"
-@.str.2776 = private unnamed_addr constant [31 x i8] c"distinct !DISubprogram(name: \22\00"
-@.str.2777 = private unnamed_addr constant [18 x i8] c"\22, linkageName: \22\00"
-@.str.2778 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2779 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
-@.str.2780 = private unnamed_addr constant [10 x i8] c", file: !\00"
-@.str.2781 = private unnamed_addr constant [9 x i8] c", line: \00"
-@.str.2782 = private unnamed_addr constant [10 x i8] c", type: !\00"
-@.str.2783 = private unnamed_addr constant [14 x i8] c", scopeLine: \00"
-@.str.2784 = private unnamed_addr constant [88 x i8] c", flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagLocalToUnit, unit: !0)\00"
-@.str.2785 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2786 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.2787 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2788 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2789 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2790 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2791 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
-@.str.2792 = private unnamed_addr constant [8 x i8] c", arg: \00"
-@.str.2793 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2794 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
-@.str.2795 = private unnamed_addr constant [25 x i8] c"!DILocalVariable(name: \22\00"
-@.str.2796 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
-@.str.2797 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2798 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2799 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2768 = private unnamed_addr constant [52 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: \00"
+@.str.2769 = private unnamed_addr constant [12 x i8] c", size: 64)\00"
+@.str.2770 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2771 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.2772 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.2773 = private unnamed_addr constant [4 x i8] c"cap\00"
+@.str.2774 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
+@.str.2775 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2776 = private unnamed_addr constant [38 x i8] c", size: 192, align: 64, elements: !{!\00"
+@.str.2777 = private unnamed_addr constant [4 x i8] c", !\00"
+@.str.2778 = private unnamed_addr constant [4 x i8] c", !\00"
+@.str.2779 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2780 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2781 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2782 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2783 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.2784 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.2785 = private unnamed_addr constant [67 x i8] c"!DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)\00"
+@.str.2786 = private unnamed_addr constant [8 x i8] c"entries\00"
+@.str.2787 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.2788 = private unnamed_addr constant [5 x i8] c"used\00"
+@.str.2789 = private unnamed_addr constant [4 x i8] c"cap\00"
+@.str.2790 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.2791 = private unnamed_addr constant [5 x i8] c"icap\00"
+@.str.2792 = private unnamed_addr constant [5 x i8] c"adds\00"
+@.str.2793 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2794 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2795 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
+@.str.2796 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2797 = private unnamed_addr constant [37 x i8] c", size: 448, align: 64, elements: !{\00"
+@.str.2798 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2799 = private unnamed_addr constant [3 x i8] c"})\00"
 @.str.2800 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2801 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.2801 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2802 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2803 = private unnamed_addr constant [9 x i8] c", line: \00"
-@.str.2804 = private unnamed_addr constant [10 x i8] c", type: !\00"
-@.str.2805 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2803 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2804 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2805 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.2806 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2807 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2808 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2809 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2810 = private unnamed_addr constant [42 x i8] c"call void @llvm.dbg.declare(metadata ptr \00"
-@.str.2811 = private unnamed_addr constant [13 x i8] c", metadata !\00"
-@.str.2812 = private unnamed_addr constant [28 x i8] c", metadata !DIExpression())\00"
-@.str.2813 = private unnamed_addr constant [21 x i8] c"!llvm.dbg.cu = !{!0}\00"
-@.str.2814 = private unnamed_addr constant [31 x i8] c"!llvm.module.flags = !{!1, !2}\00"
-@.str.2815 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2816 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2817 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.2818 = private unnamed_addr constant [4 x i8] c" = \00"
-@.str.2819 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2820 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.2821 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2822 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2823 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2824 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2825 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.2807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2808 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2809 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2810 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2811 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2812 = private unnamed_addr constant [53 x i8] c"!DICompositeType(tag: DW_TAG_structure_type, name: \22\00"
+@.str.2813 = private unnamed_addr constant [11 x i8] c"\22, file: !\00"
+@.str.2814 = private unnamed_addr constant [9 x i8] c", size: \00"
+@.str.2815 = private unnamed_addr constant [25 x i8] c", align: 8, elements: !{\00"
+@.str.2816 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2817 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2818 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2819 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2820 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2821 = private unnamed_addr constant [21 x i8] c"!DIBasicType(name: \22\00"
+@.str.2822 = private unnamed_addr constant [40 x i8] c"\22, size: 64, encoding: DW_ATE_unsigned)\00"
+@.str.2823 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2824 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2825 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2826 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2827 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2828 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2827 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2828 = private unnamed_addr constant [3 x i8] c"L:\00"
 @.str.2829 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2830 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2832 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.2833 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2834 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2830 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.2831 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.2832 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2833 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2834 = private unnamed_addr constant [2 x i8] c":\00"
 @.str.2835 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2836 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2836 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
 @.str.2837 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2838 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2838 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
 @.str.2839 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2840 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.2841 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2842 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2843 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
-@.str.2844 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2845 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2846 = private unnamed_addr constant [18 x i8] c" (while building \00"
-@.str.2847 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2848 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2849 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2850 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2851 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2840 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
+@.str.2841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2842 = private unnamed_addr constant [19 x i8] c"!DILocation(line: \00"
+@.str.2843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2844 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.2845 = private unnamed_addr constant [11 x i8] c", column: \00"
+@.str.2846 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2847 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2848 = private unnamed_addr constant [11 x i8] c", scope: !\00"
+@.str.2849 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2850 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2851 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2852 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2853 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.2853 = private unnamed_addr constant [32 x i8] c"used .mdcache on a null pointer\00"
 @.str.2854 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2855 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2856 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2856 = private unnamed_addr constant [5 x i8] c"null\00"
 @.str.2857 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2858 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2858 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
 @.str.2859 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2860 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2861 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.2862 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2863 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.2864 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2865 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
-@.str.2866 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2867 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.2868 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2869 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
-@.str.2870 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2871 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2860 = private unnamed_addr constant [28 x i8] c"!DISubroutineType(types: !{\00"
+@.str.2861 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.2862 = private unnamed_addr constant [3 x i8] c"})\00"
+@.str.2863 = private unnamed_addr constant [31 x i8] c"distinct !DISubprogram(name: \22\00"
+@.str.2864 = private unnamed_addr constant [18 x i8] c"\22, linkageName: \22\00"
+@.str.2865 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2866 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
+@.str.2867 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2868 = private unnamed_addr constant [9 x i8] c", line: \00"
+@.str.2869 = private unnamed_addr constant [10 x i8] c", type: !\00"
+@.str.2870 = private unnamed_addr constant [14 x i8] c", scopeLine: \00"
+@.str.2871 = private unnamed_addr constant [88 x i8] c", flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagLocalToUnit, unit: !0)\00"
 @.str.2872 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2873 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
 @.str.2874 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2875 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
-@.str.2876 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2877 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2878 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2879 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2876 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.2877 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2878 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2879 = private unnamed_addr constant [8 x i8] c", arg: \00"
 @.str.2880 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2881 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
-@.str.2882 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2883 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2881 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2882 = private unnamed_addr constant [25 x i8] c"!DILocalVariable(name: \22\00"
+@.str.2883 = private unnamed_addr constant [12 x i8] c"\22, scope: !\00"
 @.str.2884 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2885 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2886 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2887 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2888 = private unnamed_addr constant [10 x i8] c"ptr %self\00"
-@.str.2889 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.2890 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2891 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2892 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.2885 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2886 = private unnamed_addr constant [10 x i8] c", file: !\00"
+@.str.2887 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2888 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.2889 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2890 = private unnamed_addr constant [9 x i8] c", line: \00"
+@.str.2891 = private unnamed_addr constant [10 x i8] c", type: !\00"
+@.str.2892 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.2893 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2894 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2894 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
 @.str.2895 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2896 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2897 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2898 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2899 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2900 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2901 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2896 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2897 = private unnamed_addr constant [42 x i8] c"call void @llvm.dbg.declare(metadata ptr \00"
+@.str.2898 = private unnamed_addr constant [13 x i8] c", metadata !\00"
+@.str.2899 = private unnamed_addr constant [28 x i8] c", metadata !DIExpression())\00"
+@.str.2900 = private unnamed_addr constant [21 x i8] c"!llvm.dbg.cu = !{!0}\00"
+@.str.2901 = private unnamed_addr constant [31 x i8] c"!llvm.module.flags = !{!1, !2}\00"
 @.str.2902 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2903 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.2904 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.2905 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2903 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.2904 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.2905 = private unnamed_addr constant [4 x i8] c" = \00"
 @.str.2906 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2907 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2907 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
 @.str.2908 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2909 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2910 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2911 = private unnamed_addr constant [4 x i8] c" %p\00"
-@.str.2912 = private unnamed_addr constant [3 x i8] c"%p\00"
+@.str.2909 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.2910 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.2911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2912 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.2913 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2914 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2915 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2915 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2916 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2917 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2917 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2918 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2919 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2919 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.2920 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2921 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.2921 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2922 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2923 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2924 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2923 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.2924 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2925 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2926 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2927 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
-@.str.2928 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2927 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.2928 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.2929 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2930 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.2930 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
 @.str.2931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2932 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2933 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.2934 = private unnamed_addr constant [11 x i8] c"function '\00"
-@.str.2935 = private unnamed_addr constant [39 x i8] c"' can reach its end without returning \00"
-@.str.2936 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2937 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2938 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2939 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2940 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.2933 = private unnamed_addr constant [18 x i8] c" (while building \00"
+@.str.2934 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2935 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2936 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.2937 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2938 = private unnamed_addr constant [33 x i8] c"used .instNote on a null pointer\00"
+@.str.2939 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2940 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
 @.str.2941 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2942 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2943 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
-@.str.2944 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.2945 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.2946 = private unnamed_addr constant [8 x i8] c" !dbg !\00"
+@.str.2943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2944 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2945 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2946 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.2947 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2948 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2948 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
 @.str.2949 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2950 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.2951 = private unnamed_addr constant [17 x i8] c"define internal \00"
-@.str.2952 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2953 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2954 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.2950 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.2951 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2952 = private unnamed_addr constant [28 x i8] c"used .tmp on a null pointer\00"
+@.str.2953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2954 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.2955 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2956 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.2957 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.2958 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.2959 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.2960 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.2956 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.2957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2958 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2960 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
 @.str.2961 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2962 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
-@.str.2963 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2964 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.2962 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
+@.str.2963 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2964 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
 @.str.2965 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2966 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
-@.str.2967 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.2968 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
+@.str.2966 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.2967 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2968 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.2969 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2970 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.2971 = private unnamed_addr constant [67 x i8] c"this code can never run (it comes after return, break or continue)\00"
-@.str.2972 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2973 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
-@.str.2974 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2975 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
-@.str.2976 = private unnamed_addr constant [6 x i8] c"block\00"
-@.str.2977 = private unnamed_addr constant [5 x i8] c"decl\00"
-@.str.2978 = private unnamed_addr constant [7 x i8] c"assign\00"
-@.str.2979 = private unnamed_addr constant [5 x i8] c"expr\00"
+@.str.2970 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.2971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2972 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2973 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2974 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2975 = private unnamed_addr constant [10 x i8] c"ptr %self\00"
+@.str.2976 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.2977 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2978 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2979 = private unnamed_addr constant [5 x i8] c"enum\00"
 @.str.2980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2981 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.2981 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.2982 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2983 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2984 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.2985 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.2986 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.2987 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.2988 = private unnamed_addr constant [5 x i8] c"each\00"
-@.str.2989 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.2990 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.2991 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2992 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.2993 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
-@.str.2994 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2995 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2996 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2997 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.2998 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.2999 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2983 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2985 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.2986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2987 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2988 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2990 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.2991 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.2992 = private unnamed_addr constant [6 x i8] c"%self\00"
+@.str.2993 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2994 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2995 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2996 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.2997 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.2998 = private unnamed_addr constant [4 x i8] c" %p\00"
+@.str.2999 = private unnamed_addr constant [3 x i8] c"%p\00"
 @.str.3000 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3001 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3001 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.3002 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3003 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3004 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
-@.str.3005 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.3006 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.3004 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.3005 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3006 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.3007 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3008 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.3009 = private unnamed_addr constant [28 x i8] c" can't be used inside defer\00"
+@.str.3008 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.3009 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3011 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3012 = private unnamed_addr constant [32 x i8] c" can only be used inside a loop\00"
+@.str.3011 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3012 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3014 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3014 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
 @.str.3015 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3016 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3017 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3018 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.3019 = private unnamed_addr constant [19 x i8] c"unknown statement \00"
-@.str.3020 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3021 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3022 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3023 = private unnamed_addr constant [47 x i8] c"this gives back nothing, so it can't be stored\00"
-@.str.3024 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3025 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3026 = private unnamed_addr constant [35 x i8] c"null needs a type, like: ptr[int] \00"
-@.str.3027 = private unnamed_addr constant [8 x i8] c" = null\00"
-@.str.3028 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.3029 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3030 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3031 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3032 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3033 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3034 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.3035 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3036 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3037 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.3038 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3016 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3017 = private unnamed_addr constant [31 x i8] c"used .dbgArg on a null pointer\00"
+@.str.3018 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3019 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3020 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3021 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3022 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3023 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3024 = private unnamed_addr constant [11 x i8] c"function '\00"
+@.str.3025 = private unnamed_addr constant [39 x i8] c"' can reach its end without returning \00"
+@.str.3026 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3027 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3028 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3029 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3030 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3031 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3032 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3033 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
+@.str.3034 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.3035 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3036 = private unnamed_addr constant [8 x i8] c" !dbg !\00"
+@.str.3037 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3038 = private unnamed_addr constant [33 x i8] c"used .dbgScope on a null pointer\00"
 @.str.3039 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3040 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3041 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3042 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
-@.str.3043 = private unnamed_addr constant [19 x i8] c"' (create it with \00"
-@.str.3044 = private unnamed_addr constant [9 x i8] c" := ...)\00"
-@.str.3045 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
-@.str.3046 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
-@.str.3047 = private unnamed_addr constant [10 x i8] c"the value\00"
-@.str.3048 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3049 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3050 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3051 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.3052 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3053 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3054 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3040 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.3041 = private unnamed_addr constant [17 x i8] c"define internal \00"
+@.str.3042 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3043 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3044 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3045 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3046 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3047 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.3048 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3049 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3050 = private unnamed_addr constant [11 x i8] c" {\0Aentry:\0A\00"
+@.str.3051 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3052 = private unnamed_addr constant [32 x i8] c"used .allocas on a null pointer\00"
+@.str.3053 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.3054 = private unnamed_addr constant [2 x i8] c"\0A\00"
 @.str.3055 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3056 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3057 = private unnamed_addr constant [12 x i8] c"a condition\00"
-@.str.3058 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3059 = private unnamed_addr constant [5 x i8] c"then\00"
-@.str.3060 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.3061 = private unnamed_addr constant [6 x i8] c"endif\00"
+@.str.3056 = private unnamed_addr constant [29 x i8] c"used .body on a null pointer\00"
+@.str.3057 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.3058 = private unnamed_addr constant [4 x i8] c"\0A}\0A\00"
+@.str.3059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3060 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3061 = private unnamed_addr constant [67 x i8] c"this code can never run (it comes after return, break or continue)\00"
 @.str.3062 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3064 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3065 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3066 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3067 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3068 = private unnamed_addr constant [11 x i8] c"while.cond\00"
-@.str.3069 = private unnamed_addr constant [11 x i8] c"while.body\00"
-@.str.3070 = private unnamed_addr constant [10 x i8] c"while.end\00"
-@.str.3071 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3072 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3063 = private unnamed_addr constant [32 x i8] c"used .dbgLine on a null pointer\00"
+@.str.3064 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3065 = private unnamed_addr constant [31 x i8] c"used .dbgCol on a null pointer\00"
+@.str.3066 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.3067 = private unnamed_addr constant [5 x i8] c"decl\00"
+@.str.3068 = private unnamed_addr constant [7 x i8] c"assign\00"
+@.str.3069 = private unnamed_addr constant [5 x i8] c"expr\00"
+@.str.3070 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3071 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.3072 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3073 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3074 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.3075 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3076 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3077 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3078 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3079 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3080 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3074 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.3075 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.3076 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.3077 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.3078 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.3079 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.3080 = private unnamed_addr constant [6 x i8] c"defer\00"
 @.str.3081 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3082 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3083 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3082 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3083 = private unnamed_addr constant [34 x i8] c"defer inside defer is not allowed\00"
 @.str.3084 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3085 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3086 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.3087 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.3088 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.3089 = private unnamed_addr constant [5 x i8] c"each\00"
-@.str.3090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3091 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3085 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3086 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3087 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3088 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3090 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3092 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3093 = private unnamed_addr constant [21 x i8] c"the start of a range\00"
+@.str.3093 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3094 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3095 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3095 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3097 = private unnamed_addr constant [19 x i8] c"the end of a range\00"
-@.str.3098 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3099 = private unnamed_addr constant [9 x i8] c"for.cond\00"
-@.str.3100 = private unnamed_addr constant [9 x i8] c"for.body\00"
-@.str.3101 = private unnamed_addr constant [9 x i8] c"for.step\00"
-@.str.3102 = private unnamed_addr constant [8 x i8] c"for.end\00"
-@.str.3103 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3104 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3105 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3097 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3098 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3099 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3100 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.3101 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.3102 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.3103 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3104 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3105 = private unnamed_addr constant [28 x i8] c" can't be used inside defer\00"
 @.str.3106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3107 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3108 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3109 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3110 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3108 = private unnamed_addr constant [32 x i8] c" can only be used inside a loop\00"
+@.str.3109 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3110 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
 @.str.3111 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3112 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
 @.str.3113 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3114 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3115 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3116 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3117 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3118 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3119 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3114 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.3115 = private unnamed_addr constant [19 x i8] c"unknown statement \00"
+@.str.3116 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3117 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3118 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3119 = private unnamed_addr constant [47 x i8] c"this gives back nothing, so it can't be stored\00"
+@.str.3120 = private unnamed_addr constant [5 x i8] c"null\00"
 @.str.3121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3122 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3123 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3124 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3125 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3126 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3127 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3128 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3129 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3130 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
-@.str.3131 = private unnamed_addr constant [9 x i8] c"map.cond\00"
-@.str.3132 = private unnamed_addr constant [10 x i8] c"map.check\00"
-@.str.3133 = private unnamed_addr constant [9 x i8] c"map.body\00"
-@.str.3134 = private unnamed_addr constant [9 x i8] c"map.step\00"
-@.str.3135 = private unnamed_addr constant [8 x i8] c"map.end\00"
-@.str.3136 = private unnamed_addr constant [12 x i8] c"map.changed\00"
-@.str.3137 = private unnamed_addr constant [9 x i8] c"map.same\00"
-@.str.3138 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3139 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3140 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3141 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
-@.str.3142 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.3143 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3144 = private unnamed_addr constant [34 x i8] c"call void @finch_map_changed(ptr \00"
-@.str.3145 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3146 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.3147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3148 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3149 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3150 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3122 = private unnamed_addr constant [35 x i8] c"null needs a type, like: ptr[int] \00"
+@.str.3123 = private unnamed_addr constant [8 x i8] c" = null\00"
+@.str.3124 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.3125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3126 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3127 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3128 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3130 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.3131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3132 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3133 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.3134 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3136 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3137 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3138 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
+@.str.3139 = private unnamed_addr constant [19 x i8] c"' (create it with \00"
+@.str.3140 = private unnamed_addr constant [9 x i8] c" := ...)\00"
+@.str.3141 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
+@.str.3142 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
+@.str.3143 = private unnamed_addr constant [10 x i8] c"the value\00"
+@.str.3144 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3145 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3146 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3147 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.3148 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3149 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3150 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3151 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3152 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3153 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3154 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3155 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3156 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3157 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
-@.str.3158 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3159 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3160 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3161 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
-@.str.3162 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3163 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3164 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3152 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3153 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3155 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3156 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3157 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3159 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3160 = private unnamed_addr constant [12 x i8] c"a condition\00"
+@.str.3161 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3162 = private unnamed_addr constant [5 x i8] c"then\00"
+@.str.3163 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.3164 = private unnamed_addr constant [6 x i8] c"endif\00"
 @.str.3165 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3166 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3167 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3167 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.3168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3169 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3170 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3171 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3172 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3173 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3174 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3175 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3170 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3171 = private unnamed_addr constant [11 x i8] c"while.cond\00"
+@.str.3172 = private unnamed_addr constant [11 x i8] c"while.body\00"
+@.str.3173 = private unnamed_addr constant [10 x i8] c"while.end\00"
+@.str.3174 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3175 = private unnamed_addr constant [5 x i8] c"bool\00"
 @.str.3176 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3177 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3178 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3179 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3180 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3181 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3182 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3183 = private unnamed_addr constant [56 x i8] c"for ... in needs an array, a str or a map, but this is \00"
-@.str.3184 = private unnamed_addr constant [37 x i8] c" (for a range of numbers write 0..n)\00"
-@.str.3185 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3186 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3177 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.3178 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3180 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3182 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3184 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3185 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3186 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3187 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3188 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3188 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
 @.str.3189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3190 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3191 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3192 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3193 = private unnamed_addr constant [10 x i8] c"each.cond\00"
-@.str.3194 = private unnamed_addr constant [10 x i8] c"each.body\00"
-@.str.3195 = private unnamed_addr constant [10 x i8] c"each.step\00"
-@.str.3196 = private unnamed_addr constant [9 x i8] c"each.end\00"
-@.str.3197 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3198 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
-@.str.3199 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.3200 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3201 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3202 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3203 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3204 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3205 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3206 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3207 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3208 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
-@.str.3209 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3210 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.3211 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3190 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3191 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.3192 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.3193 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.3194 = private unnamed_addr constant [5 x i8] c"each\00"
+@.str.3195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3196 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3198 = private unnamed_addr constant [21 x i8] c"the start of a range\00"
+@.str.3199 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3200 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3201 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3202 = private unnamed_addr constant [19 x i8] c"the end of a range\00"
+@.str.3203 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3204 = private unnamed_addr constant [9 x i8] c"for.cond\00"
+@.str.3205 = private unnamed_addr constant [9 x i8] c"for.body\00"
+@.str.3206 = private unnamed_addr constant [9 x i8] c"for.step\00"
+@.str.3207 = private unnamed_addr constant [8 x i8] c"for.end\00"
+@.str.3208 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3209 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3210 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3211 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3212 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
 @.str.3213 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3214 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3214 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3216 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.3217 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3218 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3219 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3220 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3221 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3222 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.3223 = private unnamed_addr constant [34 x i8] c"return can't be used inside defer\00"
-@.str.3224 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3225 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3216 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3217 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3219 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3220 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3221 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3222 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3223 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3224 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3225 = private unnamed_addr constant [4 x i8] c", 1\00"
 @.str.3226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3227 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.3227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3230 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3231 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3232 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3233 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3234 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3236 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3237 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3238 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3239 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3240 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3241 = private unnamed_addr constant [65 x i8] c"' can't fail, so it can't return an error (make it fallible: -> \00"
-@.str.3242 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3243 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.3244 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3245 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3246 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3247 = private unnamed_addr constant [18 x i8] c"the error message\00"
-@.str.3248 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3249 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3250 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3251 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3252 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3253 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3254 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3255 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
-@.str.3256 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.3257 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3258 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3259 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3260 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3261 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3262 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3263 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3264 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3265 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3266 = private unnamed_addr constant [47 x i8] c"' doesn't return a value (it has no '-> type')\00"
-@.str.3267 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3268 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3269 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3230 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3231 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3232 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3233 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3234 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3235 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3236 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3237 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
+@.str.3238 = private unnamed_addr constant [9 x i8] c"map.cond\00"
+@.str.3239 = private unnamed_addr constant [10 x i8] c"map.check\00"
+@.str.3240 = private unnamed_addr constant [9 x i8] c"map.body\00"
+@.str.3241 = private unnamed_addr constant [9 x i8] c"map.step\00"
+@.str.3242 = private unnamed_addr constant [8 x i8] c"map.end\00"
+@.str.3243 = private unnamed_addr constant [12 x i8] c"map.changed\00"
+@.str.3244 = private unnamed_addr constant [9 x i8] c"map.same\00"
+@.str.3245 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3246 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3247 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3248 = private unnamed_addr constant [15 x i8] c", i32 0, i32 6\00"
+@.str.3249 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.3250 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3251 = private unnamed_addr constant [34 x i8] c"call void @finch_map_changed(ptr \00"
+@.str.3252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3253 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.3254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3255 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3256 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3257 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3258 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3259 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3260 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3261 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3262 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3263 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3264 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
+@.str.3265 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3266 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3267 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3268 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
+@.str.3269 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.3270 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3271 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3272 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
-@.str.3273 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.3271 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3272 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3273 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3274 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3275 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3276 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3275 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3276 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3277 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3278 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3279 = private unnamed_addr constant [15 x i8] c"' must return \00"
-@.str.3280 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3281 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3282 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3284 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3278 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3279 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3280 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3281 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3282 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3283 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3284 = private unnamed_addr constant [4 x i8] c", 1\00"
 @.str.3285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3286 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3287 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3288 = private unnamed_addr constant [19 x i8] c"the returned value\00"
+@.str.3286 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3287 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3288 = private unnamed_addr constant [6 x i8] c"$list\00"
 @.str.3289 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3290 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3291 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3293 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3294 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3296 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3297 = private unnamed_addr constant [29 x i8] c" zeroinitializer, i1 true, 0\00"
-@.str.3298 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.3290 = private unnamed_addr constant [30 x i8] c"used .nvars on a null pointer\00"
+@.str.3291 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3292 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3293 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3294 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3295 = private unnamed_addr constant [56 x i8] c"for ... in needs an array, a str or a map, but this is \00"
+@.str.3296 = private unnamed_addr constant [37 x i8] c" (for a range of numbers write 0..n)\00"
+@.str.3297 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.3298 = private unnamed_addr constant [6 x i8] c"array\00"
 @.str.3299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3300 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3301 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3302 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3303 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3304 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3305 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3306 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3307 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3309 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3310 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3311 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3312 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3313 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3314 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3316 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3317 = private unnamed_addr constant [8 x i8] c"{ i64, \00"
-@.str.3318 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3319 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3320 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3321 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.3322 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
-@.str.3323 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
-@.str.3324 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3325 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3326 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3327 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
-@.str.3328 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3329 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3330 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3331 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3332 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3333 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
-@.str.3334 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3300 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3302 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3303 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3304 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3305 = private unnamed_addr constant [10 x i8] c"each.cond\00"
+@.str.3306 = private unnamed_addr constant [10 x i8] c"each.body\00"
+@.str.3307 = private unnamed_addr constant [10 x i8] c"each.step\00"
+@.str.3308 = private unnamed_addr constant [9 x i8] c"each.end\00"
+@.str.3309 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3310 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
+@.str.3311 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.3312 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3313 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3314 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3315 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.3316 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3317 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3318 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3320 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3322 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3323 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3324 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3325 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3327 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3328 = private unnamed_addr constant [30 x i8] c"used .loops on a null pointer\00"
+@.str.3329 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3330 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.3331 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3332 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3333 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3334 = private unnamed_addr constant [4 x i8] c", 1\00"
 @.str.3335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3336 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3337 = private unnamed_addr constant [2 x i8] c"1\00"
-@.str.3338 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.3339 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3340 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3341 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3336 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3337 = private unnamed_addr constant [34 x i8] c"return can't be used inside defer\00"
+@.str.3338 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3339 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3341 = private unnamed_addr constant [6 x i8] c"error\00"
 @.str.3342 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3343 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.3344 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_find(\00"
-@.str.3345 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3346 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.3347 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.3348 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.3349 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3350 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_slot(\00"
-@.str.3351 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3352 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3353 = private unnamed_addr constant [8 x i8] c"map.new\00"
-@.str.3354 = private unnamed_addr constant [9 x i8] c"map.have\00"
-@.str.3355 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.3356 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.3357 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3343 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3344 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3345 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3346 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3347 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3348 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3349 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3350 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3351 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3352 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3353 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3354 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3355 = private unnamed_addr constant [65 x i8] c"' can't fail, so it can't return an error (make it fallible: -> \00"
+@.str.3356 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3357 = private unnamed_addr constant [6 x i8] c"error\00"
 @.str.3358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3359 = private unnamed_addr constant [4 x i8] c"str\00"
 @.str.3360 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3362 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3361 = private unnamed_addr constant [18 x i8] c"the error message\00"
+@.str.3362 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.3363 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3364 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3365 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3366 = private unnamed_addr constant [8 x i8] c"the key\00"
-@.str.3367 = private unnamed_addr constant [45 x i8] c"this is a temporary map, it can't be changed\00"
-@.str.3368 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3369 = private unnamed_addr constant [12 x i8] c"map.missing\00"
-@.str.3370 = private unnamed_addr constant [10 x i8] c"map.found\00"
-@.str.3371 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.3372 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3373 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3374 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3375 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.3376 = private unnamed_addr constant [34 x i8] c"call void @finch_map_missing(ptr \00"
-@.str.3377 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3378 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.3379 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3380 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3381 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3382 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3383 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3364 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3365 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3366 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.3367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3368 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3369 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
+@.str.3370 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.3371 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3372 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3373 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3374 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3375 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3377 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3378 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3379 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3380 = private unnamed_addr constant [47 x i8] c"' doesn't return a value (it has no '-> type')\00"
+@.str.3381 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3382 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3383 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.3384 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3385 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3386 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3387 = private unnamed_addr constant [53 x i8] c"an empty [:] needs a type, like: map[str]int m = [:]\00"
+@.str.3385 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3386 = private unnamed_addr constant [54 x i8] c" { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }\00"
+@.str.3387 = private unnamed_addr constant [9 x i8] c"ret void\00"
 @.str.3388 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3389 = private unnamed_addr constant [6 x i8] c"unary\00"
-@.str.3390 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.3389 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3390 = private unnamed_addr constant [2 x i8] c"'\00"
 @.str.3391 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3392 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3393 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3392 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3393 = private unnamed_addr constant [15 x i8] c"' must return \00"
 @.str.3394 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3395 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3396 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3397 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3395 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3396 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3397 = private unnamed_addr constant [4 x i8] c"var\00"
 @.str.3398 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3399 = private unnamed_addr constant [36 x i8] c"a map key needs a value with a type\00"
-@.str.3400 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3401 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3403 = private unnamed_addr constant [38 x i8] c"a map value needs a value with a type\00"
-@.str.3404 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3405 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3399 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3400 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3401 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3402 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3403 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3405 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3406 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3407 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3408 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3409 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3409 = private unnamed_addr constant [32 x i8] c"used .deferOn on a null pointer\00"
 @.str.3410 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3411 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3412 = private unnamed_addr constant [22 x i8] c"every key of this map\00"
+@.str.3411 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3412 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3413 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3414 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3415 = private unnamed_addr constant [24 x i8] c"every value of this map\00"
+@.str.3415 = private unnamed_addr constant [35 x i8] c"used .deferLimit on a null pointer\00"
 @.str.3416 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3417 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3417 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3418 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3419 = private unnamed_addr constant [4 x i8] c"has\00"
-@.str.3420 = private unnamed_addr constant [4 x i8] c"get\00"
-@.str.3421 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.3422 = private unnamed_addr constant [4 x i8] c"get\00"
-@.str.3423 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3419 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3420 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3421 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3422 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3423 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
 @.str.3424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3425 = private unnamed_addr constant [8 x i8] c"the key\00"
-@.str.3426 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
-@.str.3427 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3428 = private unnamed_addr constant [4 x i8] c"has\00"
-@.str.3429 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3430 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.3431 = private unnamed_addr constant [11 x i8] c"remove.hit\00"
-@.str.3432 = private unnamed_addr constant [11 x i8] c"remove.end\00"
-@.str.3433 = private unnamed_addr constant [36 x i8] c"call void @finch_map_remove_at(ptr \00"
-@.str.3434 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3435 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3436 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3437 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3438 = private unnamed_addr constant [10 x i8] c"get.found\00"
-@.str.3439 = private unnamed_addr constant [12 x i8] c"get.missing\00"
-@.str.3440 = private unnamed_addr constant [9 x i8] c"get.fend\00"
-@.str.3441 = private unnamed_addr constant [9 x i8] c"get.mend\00"
-@.str.3442 = private unnamed_addr constant [8 x i8] c"get.end\00"
-@.str.3443 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3425 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3427 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.3428 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3431 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3432 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3434 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3436 = private unnamed_addr constant [19 x i8] c"the returned value\00"
+@.str.3437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3438 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3439 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.3440 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3441 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3442 = private unnamed_addr constant [29 x i8] c" zeroinitializer, i1 true, 0\00"
+@.str.3443 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
 @.str.3444 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3445 = private unnamed_addr constant [12 x i8] c"the default\00"
-@.str.3446 = private unnamed_addr constant [5 x i8] c"phi \00"
-@.str.3447 = private unnamed_addr constant [4 x i8] c" [ \00"
-@.str.3448 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3449 = private unnamed_addr constant [7 x i8] c" ], [ \00"
-@.str.3450 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3451 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.3452 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.3453 = private unnamed_addr constant [32 x i8] c"call void @finch_map_clear(ptr \00"
-@.str.3454 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3455 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3456 = private unnamed_addr constant [5 x i8] c"keys\00"
-@.str.3457 = private unnamed_addr constant [7 x i8] c"values\00"
-@.str.3458 = private unnamed_addr constant [7 x i8] c"values\00"
-@.str.3459 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3460 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3461 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.3462 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3463 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3464 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3465 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.3466 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
-@.str.3467 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3468 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3469 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3470 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3471 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3472 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3473 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3474 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3475 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3476 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3477 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
-@.str.3478 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3479 = private unnamed_addr constant [11 x i8] c"entry.live\00"
-@.str.3480 = private unnamed_addr constant [11 x i8] c"entry.next\00"
-@.str.3481 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
-@.str.3482 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3483 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3484 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3485 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.3486 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3487 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.3488 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.3489 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.3490 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.3491 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3492 = private unnamed_addr constant [22 x i8] c"a map has no method '\00"
-@.str.3493 = private unnamed_addr constant [50 x i8] c"' (it has: has, get, remove, clear, keys, values)\00"
-@.str.3494 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3495 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3496 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3497 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.3498 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3499 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.3500 = private unnamed_addr constant [23 x i8] c"' is not a variant of \00"
-@.str.3501 = private unnamed_addr constant [11 x i8] c" (it has: \00"
-@.str.3502 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3503 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3445 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3446 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3447 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3448 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3449 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3450 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3451 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3452 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3453 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3454 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3455 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3456 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.3457 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3458 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3459 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3460 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3461 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3462 = private unnamed_addr constant [8 x i8] c"{ i64, \00"
+@.str.3463 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3464 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3466 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.3467 = private unnamed_addr constant [30 x i8] c"ptrtoint (ptr getelementptr (\00"
+@.str.3468 = private unnamed_addr constant [27 x i8] c", ptr null, i32 1) to i64)\00"
+@.str.3469 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.3470 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3471 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3472 = private unnamed_addr constant [15 x i8] c", i32 0, i32 0\00"
+@.str.3473 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3474 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3475 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3476 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3477 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3478 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
+@.str.3479 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3480 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3481 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3482 = private unnamed_addr constant [2 x i8] c"1\00"
+@.str.3483 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.3484 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3485 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3486 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3487 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3488 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.3489 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_find(\00"
+@.str.3490 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3491 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.3492 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.3493 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.3494 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3495 = private unnamed_addr constant [26 x i8] c"call i64 @finch_map_slot(\00"
+@.str.3496 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3497 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3498 = private unnamed_addr constant [8 x i8] c"map.new\00"
+@.str.3499 = private unnamed_addr constant [9 x i8] c"map.have\00"
+@.str.3500 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.3501 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.3502 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3503 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3505 = private unnamed_addr constant [13 x i8] c"this pattern\00"
+@.str.3505 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3506 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3507 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3508 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3507 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3508 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3509 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3510 = private unnamed_addr constant [31 x i8] c"there is nothing to match here\00"
-@.str.3511 = private unnamed_addr constant [10 x i8] c"match.end\00"
-@.str.3512 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3513 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3514 = private unnamed_addr constant [73 x i8] c"this arm can never be used: 'else' already takes everything that is left\00"
-@.str.3515 = private unnamed_addr constant [10 x i8] c"match.arm\00"
-@.str.3516 = private unnamed_addr constant [11 x i8] c"match.next\00"
-@.str.3517 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3519 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3520 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3521 = private unnamed_addr constant [50 x i8] c"this variant is already handled by an earlier arm\00"
-@.str.3522 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3523 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3524 = private unnamed_addr constant [9 x i8] c"match.or\00"
-@.str.3525 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3526 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3527 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3528 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3529 = private unnamed_addr constant [53 x i8] c"an arm of a match that gives a value has to give one\00"
-@.str.3530 = private unnamed_addr constant [58 x i8] c"this arm (the arms of a match have to give the same type)\00"
-@.str.3531 = private unnamed_addr constant [11 x i8] c"match.from\00"
-@.str.3532 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.3510 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3511 = private unnamed_addr constant [8 x i8] c"the key\00"
+@.str.3512 = private unnamed_addr constant [45 x i8] c"this is a temporary map, it can't be changed\00"
+@.str.3513 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3514 = private unnamed_addr constant [12 x i8] c"map.missing\00"
+@.str.3515 = private unnamed_addr constant [10 x i8] c"map.found\00"
+@.str.3516 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.3517 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3518 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3519 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3520 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3521 = private unnamed_addr constant [34 x i8] c"call void @finch_map_missing(ptr \00"
+@.str.3522 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3523 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.3524 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3525 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3526 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3527 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3528 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3529 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3530 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3531 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3532 = private unnamed_addr constant [53 x i8] c"an empty [:] needs a type, like: map[str]int m = [:]\00"
 @.str.3533 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3534 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3535 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3534 = private unnamed_addr constant [6 x i8] c"unary\00"
+@.str.3535 = private unnamed_addr constant [2 x i8] c"-\00"
 @.str.3536 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3537 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.3538 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3537 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3538 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.3539 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3540 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3541 = private unnamed_addr constant [27 x i8] c"this match doesn't handle \00"
-@.str.3542 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3543 = private unnamed_addr constant [30 x i8] c" (add them, or an 'else' arm)\00"
-@.str.3544 = private unnamed_addr constant [12 x i8] c"a match on \00"
-@.str.3545 = private unnamed_addr constant [55 x i8] c" needs an 'else' arm for everything that is not listed\00"
-@.str.3546 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.3547 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
-@.str.3548 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.3549 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3550 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3551 = private unnamed_addr constant [12 x i8] c"unreachable\00"
-@.str.3552 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3553 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3554 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3555 = private unnamed_addr constant [5 x i8] c"phi \00"
-@.str.3556 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3557 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3558 = private unnamed_addr constant [3 x i8] c"[ \00"
-@.str.3559 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3560 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3541 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3542 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3543 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3544 = private unnamed_addr constant [36 x i8] c"a map key needs a value with a type\00"
+@.str.3545 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3546 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3547 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3548 = private unnamed_addr constant [38 x i8] c"a map value needs a value with a type\00"
+@.str.3549 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3550 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3552 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3554 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3555 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3556 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3557 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3558 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3559 = private unnamed_addr constant [22 x i8] c"every key of this map\00"
+@.str.3560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3561 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3562 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.3563 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3564 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.3565 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.3566 = private unnamed_addr constant [81 x i8] c"only a function call can fail; 'or' and 'try' go after one, like  int(text) or 0\00"
+@.str.3562 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3563 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3564 = private unnamed_addr constant [24 x i8] c"every value of this map\00"
+@.str.3565 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3568 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.3569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3570 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3571 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3572 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.3568 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3569 = private unnamed_addr constant [4 x i8] c"has\00"
+@.str.3570 = private unnamed_addr constant [4 x i8] c"get\00"
+@.str.3571 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.3572 = private unnamed_addr constant [4 x i8] c"get\00"
 @.str.3573 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3574 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.3575 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3576 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3577 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3578 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3579 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3580 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3581 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3582 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3583 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3584 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3585 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3586 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.3587 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3588 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.3589 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3590 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.3591 = private unnamed_addr constant [51 x i8] c"this call can't fail, so it needs no 'or' or 'try'\00"
-@.str.3592 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3593 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
-@.str.3594 = private unnamed_addr constant [31 x i8] c"try can't be used inside defer\00"
-@.str.3595 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3596 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3597 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3598 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3599 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3600 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3601 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3602 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3603 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3604 = private unnamed_addr constant [30 x i8] c"try passes the error on, so '\00"
-@.str.3605 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3606 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3607 = private unnamed_addr constant [32 x i8] c"' must be able to fail too (-> \00"
-@.str.3608 = private unnamed_addr constant [56 x i8] c"); or handle it here: ... or <value>  /  ... or { ... }\00"
-@.str.3609 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3610 = private unnamed_addr constant [11 x i8] c"try.failed\00"
-@.str.3611 = private unnamed_addr constant [7 x i8] c"try.ok\00"
-@.str.3612 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.3613 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3614 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3615 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3616 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.3617 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3618 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
-@.str.3619 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
-@.str.3620 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.3621 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3622 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3623 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3624 = private unnamed_addr constant [10 x i8] c"or.failed\00"
-@.str.3625 = private unnamed_addr constant [6 x i8] c"or.ok\00"
-@.str.3626 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.3627 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3628 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3629 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3630 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
-@.str.3631 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3632 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3633 = private unnamed_addr constant [143 x i8] c"this block must leave with return, break, continue or exit(...): after a failure there is no value to go on with (or give one: ... or <value>)\00"
-@.str.3634 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3635 = private unnamed_addr constant [7 x i8] c"or.end\00"
-@.str.3636 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3637 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3574 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3575 = private unnamed_addr constant [8 x i8] c"the key\00"
+@.str.3576 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
+@.str.3577 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3578 = private unnamed_addr constant [4 x i8] c"has\00"
+@.str.3579 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3580 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.3581 = private unnamed_addr constant [11 x i8] c"remove.hit\00"
+@.str.3582 = private unnamed_addr constant [11 x i8] c"remove.end\00"
+@.str.3583 = private unnamed_addr constant [36 x i8] c"call void @finch_map_remove_at(ptr \00"
+@.str.3584 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3585 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3586 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3587 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3588 = private unnamed_addr constant [10 x i8] c"get.found\00"
+@.str.3589 = private unnamed_addr constant [12 x i8] c"get.missing\00"
+@.str.3590 = private unnamed_addr constant [9 x i8] c"get.fend\00"
+@.str.3591 = private unnamed_addr constant [9 x i8] c"get.mend\00"
+@.str.3592 = private unnamed_addr constant [8 x i8] c"get.end\00"
+@.str.3593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3594 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3595 = private unnamed_addr constant [12 x i8] c"the default\00"
+@.str.3596 = private unnamed_addr constant [5 x i8] c"phi \00"
+@.str.3597 = private unnamed_addr constant [4 x i8] c" [ \00"
+@.str.3598 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3599 = private unnamed_addr constant [7 x i8] c" ], [ \00"
+@.str.3600 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3601 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.3602 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.3603 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3604 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3605 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3606 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
+@.str.3607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3608 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.3609 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.3610 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.3611 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3612 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3613 = private unnamed_addr constant [32 x i8] c"call void @finch_map_clear(ptr \00"
+@.str.3614 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3615 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3616 = private unnamed_addr constant [5 x i8] c"keys\00"
+@.str.3617 = private unnamed_addr constant [7 x i8] c"values\00"
+@.str.3618 = private unnamed_addr constant [7 x i8] c"values\00"
+@.str.3619 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3620 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3621 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.3622 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3623 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3624 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3625 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.3626 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
+@.str.3627 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3628 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3629 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3630 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.3631 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3632 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3633 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.3634 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3635 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3636 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3637 = private unnamed_addr constant [15 x i8] c", i32 0, i32 2\00"
 @.str.3638 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3639 = private unnamed_addr constant [99 x i8] c"this call gives back no value, so there is nothing to replace; handle the failure with  or { ... }\00"
-@.str.3640 = private unnamed_addr constant [4 x i8] c"err\00"
-@.str.3641 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3642 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3643 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3644 = private unnamed_addr constant [21 x i8] c"the value after 'or'\00"
-@.str.3645 = private unnamed_addr constant [8 x i8] c"or.bend\00"
-@.str.3646 = private unnamed_addr constant [7 x i8] c"or.end\00"
-@.str.3647 = private unnamed_addr constant [5 x i8] c"phi \00"
-@.str.3648 = private unnamed_addr constant [4 x i8] c" [ \00"
-@.str.3649 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3650 = private unnamed_addr constant [7 x i8] c" ], [ \00"
-@.str.3651 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.3652 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.3653 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3654 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.3655 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3639 = private unnamed_addr constant [11 x i8] c"entry.live\00"
+@.str.3640 = private unnamed_addr constant [11 x i8] c"entry.next\00"
+@.str.3641 = private unnamed_addr constant [13 x i8] c"icmp ne i64 \00"
+@.str.3642 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3643 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.3644 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3645 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.3646 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.3647 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.3648 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.3649 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.3650 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.3651 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.3652 = private unnamed_addr constant [22 x i8] c"a map has no method '\00"
+@.str.3653 = private unnamed_addr constant [50 x i8] c"' (it has: has, get, remove, clear, keys, values)\00"
+@.str.3654 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3655 = private unnamed_addr constant [4 x i8] c"var\00"
 @.str.3656 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3657 = private unnamed_addr constant [3 x i8] c"0x\00"
+@.str.3657 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
 @.str.3658 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3659 = private unnamed_addr constant [3 x i8] c"0X\00"
-@.str.3660 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3661 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3663 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.3664 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3665 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3666 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3667 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3668 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.3659 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.3660 = private unnamed_addr constant [23 x i8] c"' is not a variant of \00"
+@.str.3661 = private unnamed_addr constant [11 x i8] c" (it has: \00"
+@.str.3662 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3663 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.3664 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3665 = private unnamed_addr constant [13 x i8] c"this pattern\00"
+@.str.3666 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3667 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3668 = private unnamed_addr constant [5 x i8] c"null\00"
 @.str.3669 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3670 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3671 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3672 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3673 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3674 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3675 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.3676 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.3677 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.3678 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.3679 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.3680 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.3681 = private unnamed_addr constant [6 x i8] c"unary\00"
-@.str.3682 = private unnamed_addr constant [7 x i8] c"binary\00"
-@.str.3683 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.3684 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.3685 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3686 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3687 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3670 = private unnamed_addr constant [31 x i8] c"there is nothing to match here\00"
+@.str.3671 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3672 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.3673 = private unnamed_addr constant [10 x i8] c"match.end\00"
+@.str.3674 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3675 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3676 = private unnamed_addr constant [73 x i8] c"this arm can never be used: 'else' already takes everything that is left\00"
+@.str.3677 = private unnamed_addr constant [10 x i8] c"match.arm\00"
+@.str.3678 = private unnamed_addr constant [11 x i8] c"match.next\00"
+@.str.3679 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3680 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3681 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3682 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3683 = private unnamed_addr constant [50 x i8] c"this variant is already handled by an earlier arm\00"
+@.str.3684 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.3685 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3686 = private unnamed_addr constant [9 x i8] c"match.or\00"
+@.str.3687 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3688 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.3689 = private unnamed_addr constant [20 x i8] c"unknown expression \00"
-@.str.3690 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3691 = private unnamed_addr constant [2 x i8] c"!\00"
-@.str.3692 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3693 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3694 = private unnamed_addr constant [20 x i8] c"the value after '!'\00"
-@.str.3695 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
-@.str.3696 = private unnamed_addr constant [7 x i8] c", true\00"
-@.str.3697 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3698 = private unnamed_addr constant [2 x i8] c"~\00"
-@.str.3699 = private unnamed_addr constant [46 x i8] c"'~' flips the bits of a whole number, not of \00"
-@.str.3700 = private unnamed_addr constant [5 x i8] c"xor \00"
-@.str.3701 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3702 = private unnamed_addr constant [5 x i8] c", -1\00"
-@.str.3703 = private unnamed_addr constant [35 x i8] c" can't be negative (it's unsigned)\00"
-@.str.3704 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3705 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3706 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3707 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3708 = private unnamed_addr constant [5 x i8] c"sub \00"
-@.str.3709 = private unnamed_addr constant [5 x i8] c" 0, \00"
-@.str.3710 = private unnamed_addr constant [6 x i8] c"fneg \00"
-@.str.3711 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3712 = private unnamed_addr constant [27 x i8] c"can't put '-' in front of \00"
-@.str.3713 = private unnamed_addr constant [12 x i8] c"can't use '\00"
-@.str.3714 = private unnamed_addr constant [6 x i8] c"' on \00"
-@.str.3715 = private unnamed_addr constant [6 x i8] c" and \00"
-@.str.3716 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3717 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3718 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3719 = private unnamed_addr constant [49 x i8] c" (turn the other side into text first: str(...))\00"
-@.str.3720 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3721 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.3722 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3723 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3724 = private unnamed_addr constant [27 x i8] c" (for true/false use '&&')\00"
-@.str.3725 = private unnamed_addr constant [27 x i8] c" (for true/false use '||')\00"
-@.str.3726 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3727 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.3728 = private unnamed_addr constant [2 x i8] c"^\00"
-@.str.3729 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.3730 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.3731 = private unnamed_addr constant [44 x i8] c" (bit operators work on whole numbers only)\00"
-@.str.3732 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.3733 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.3734 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3735 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3736 = private unnamed_addr constant [32 x i8] c" (compare the parts one by one)\00"
-@.str.3737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3738 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3739 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3740 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3689 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3690 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3691 = private unnamed_addr constant [53 x i8] c"an arm of a match that gives a value has to give one\00"
+@.str.3692 = private unnamed_addr constant [58 x i8] c"this arm (the arms of a match have to give the same type)\00"
+@.str.3693 = private unnamed_addr constant [11 x i8] c"match.from\00"
+@.str.3694 = private unnamed_addr constant [6 x i8] c"block\00"
+@.str.3695 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3696 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3697 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.3698 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3699 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.3700 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3701 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3702 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3703 = private unnamed_addr constant [27 x i8] c"this match doesn't handle \00"
+@.str.3704 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3705 = private unnamed_addr constant [30 x i8] c" (add them, or an 'else' arm)\00"
+@.str.3706 = private unnamed_addr constant [12 x i8] c"a match on \00"
+@.str.3707 = private unnamed_addr constant [55 x i8] c" needs an 'else' arm for everything that is not listed\00"
+@.str.3708 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.3709 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
+@.str.3710 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3711 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3712 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3713 = private unnamed_addr constant [12 x i8] c"unreachable\00"
+@.str.3714 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3715 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3716 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3717 = private unnamed_addr constant [5 x i8] c"phi \00"
+@.str.3718 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3719 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3720 = private unnamed_addr constant [3 x i8] c"[ \00"
+@.str.3721 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3722 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3723 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3724 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.3725 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.3726 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3727 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.3728 = private unnamed_addr constant [81 x i8] c"only a function call can fail; 'or' and 'try' go after one, like  int(text) or 0\00"
+@.str.3729 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3730 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.3731 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3732 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.3733 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3734 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.3735 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3736 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.3737 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3739 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.3740 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.3741 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3742 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3742 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
 @.str.3743 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3744 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3744 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
 @.str.3745 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3746 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3746 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
 @.str.3747 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3748 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3748 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
 @.str.3749 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3750 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3750 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
 @.str.3751 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3752 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3753 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3754 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3755 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3756 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3752 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.3753 = private unnamed_addr constant [51 x i8] c"this call can't fail, so it needs no 'or' or 'try'\00"
+@.str.3754 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3755 = private unnamed_addr constant [32 x i8] c"used .inDefer on a null pointer\00"
+@.str.3756 = private unnamed_addr constant [31 x i8] c"try can't be used inside defer\00"
 @.str.3757 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3758 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3759 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3760 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3761 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3762 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3758 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3759 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3760 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3761 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3762 = private unnamed_addr constant [5 x i8] c"void\00"
 @.str.3763 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3764 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
-@.str.3765 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3766 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3764 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3765 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3766 = private unnamed_addr constant [30 x i8] c"try passes the error on, so '\00"
 @.str.3767 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3768 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3769 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3770 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3768 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3769 = private unnamed_addr constant [32 x i8] c"' must be able to fail too (-> \00"
+@.str.3770 = private unnamed_addr constant [56 x i8] c"); or handle it here: ... or <value>  /  ... or { ... }\00"
 @.str.3771 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3772 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3773 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3774 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3772 = private unnamed_addr constant [11 x i8] c"try.failed\00"
+@.str.3773 = private unnamed_addr constant [7 x i8] c"try.ok\00"
+@.str.3774 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.3775 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3776 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3777 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3778 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3776 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3777 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3778 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
 @.str.3779 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3780 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3781 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3782 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3780 = private unnamed_addr constant [28 x i8] c"used .cur on a null pointer\00"
+@.str.3781 = private unnamed_addr constant [37 x i8] c" zeroinitializer, { ptr, i64, i64 } \00"
+@.str.3782 = private unnamed_addr constant [4 x i8] c", 2\00"
 @.str.3783 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3784 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3784 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
 @.str.3785 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3786 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3787 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3788 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3789 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3790 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3786 = private unnamed_addr constant [10 x i8] c"or.failed\00"
+@.str.3787 = private unnamed_addr constant [6 x i8] c"or.ok\00"
+@.str.3788 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.3789 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3790 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3791 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3792 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3793 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3794 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3795 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3796 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3797 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3798 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3799 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3800 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3801 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3802 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3803 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3804 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3792 = private unnamed_addr constant [29 x i8] c"used .term on a null pointer\00"
+@.str.3793 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3794 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3795 = private unnamed_addr constant [143 x i8] c"this block must leave with return, break, continue or exit(...): after a failure there is no value to go on with (or give one: ... or <value>)\00"
+@.str.3796 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3797 = private unnamed_addr constant [7 x i8] c"or.end\00"
+@.str.3798 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3799 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3800 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3801 = private unnamed_addr constant [99 x i8] c"this call gives back no value, so there is nothing to replace; handle the failure with  or { ... }\00"
+@.str.3802 = private unnamed_addr constant [4 x i8] c"err\00"
+@.str.3803 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3804 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.3805 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3806 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3808 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3809 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3810 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3811 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3812 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3813 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3814 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3815 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3816 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3817 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3806 = private unnamed_addr constant [21 x i8] c"the value after 'or'\00"
+@.str.3807 = private unnamed_addr constant [8 x i8] c"or.bend\00"
+@.str.3808 = private unnamed_addr constant [7 x i8] c"or.end\00"
+@.str.3809 = private unnamed_addr constant [5 x i8] c"phi \00"
+@.str.3810 = private unnamed_addr constant [4 x i8] c" [ \00"
+@.str.3811 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3812 = private unnamed_addr constant [7 x i8] c" ], [ \00"
+@.str.3813 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.3814 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.3815 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3816 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3817 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.3818 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3819 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3819 = private unnamed_addr constant [3 x i8] c"0x\00"
 @.str.3820 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3821 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3821 = private unnamed_addr constant [3 x i8] c"0X\00"
 @.str.3822 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3823 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3824 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.3825 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3826 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3827 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3828 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3829 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3830 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3823 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3824 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3825 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.3826 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3827 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.3828 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3829 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3830 = private unnamed_addr constant [5 x i8] c"char\00"
 @.str.3831 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3832 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3833 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.3834 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3835 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3836 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3837 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3838 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3839 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3840 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3841 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3842 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3843 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3844 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.3845 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3846 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
-@.str.3847 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3848 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
-@.str.3849 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3850 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.3851 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3852 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
-@.str.3853 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3854 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3855 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3856 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3857 = private unnamed_addr constant [33 x i8] c"call void @finch_str_concat(ptr \00"
-@.str.3858 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3859 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3860 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3861 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.3862 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3863 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3864 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3865 = private unnamed_addr constant [2 x i8] c"*\00"
-@.str.3866 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.3867 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.3868 = private unnamed_addr constant [2 x i8] c"&\00"
-@.str.3869 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.3870 = private unnamed_addr constant [2 x i8] c"^\00"
-@.str.3871 = private unnamed_addr constant [3 x i8] c"<<\00"
-@.str.3872 = private unnamed_addr constant [3 x i8] c">>\00"
-@.str.3873 = private unnamed_addr constant [4 x i8] c"add\00"
-@.str.3874 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.3875 = private unnamed_addr constant [4 x i8] c"mul\00"
-@.str.3876 = private unnamed_addr constant [5 x i8] c"sdiv\00"
-@.str.3877 = private unnamed_addr constant [5 x i8] c"srem\00"
-@.str.3878 = private unnamed_addr constant [4 x i8] c"and\00"
-@.str.3879 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.3880 = private unnamed_addr constant [4 x i8] c"xor\00"
-@.str.3881 = private unnamed_addr constant [4 x i8] c"shl\00"
-@.str.3882 = private unnamed_addr constant [5 x i8] c"ashr\00"
-@.str.3883 = private unnamed_addr constant [4 x i8] c"add\00"
-@.str.3884 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.3885 = private unnamed_addr constant [4 x i8] c"mul\00"
-@.str.3886 = private unnamed_addr constant [5 x i8] c"udiv\00"
-@.str.3887 = private unnamed_addr constant [5 x i8] c"urem\00"
-@.str.3888 = private unnamed_addr constant [4 x i8] c"and\00"
-@.str.3889 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.3890 = private unnamed_addr constant [4 x i8] c"xor\00"
-@.str.3891 = private unnamed_addr constant [4 x i8] c"shl\00"
-@.str.3892 = private unnamed_addr constant [5 x i8] c"lshr\00"
-@.str.3893 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.3894 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.3895 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.3896 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.3897 = private unnamed_addr constant [9 x i8] c"icmp eq \00"
-@.str.3898 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3899 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3900 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.3832 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.3833 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3834 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3835 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3836 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.3837 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.3838 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.3839 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.3840 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.3841 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.3842 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.3843 = private unnamed_addr constant [6 x i8] c"unary\00"
+@.str.3844 = private unnamed_addr constant [7 x i8] c"binary\00"
+@.str.3845 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.3846 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.3847 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3848 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3849 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.3850 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.3851 = private unnamed_addr constant [20 x i8] c"unknown expression \00"
+@.str.3852 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3853 = private unnamed_addr constant [2 x i8] c"!\00"
+@.str.3854 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3855 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3856 = private unnamed_addr constant [20 x i8] c"the value after '!'\00"
+@.str.3857 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
+@.str.3858 = private unnamed_addr constant [7 x i8] c", true\00"
+@.str.3859 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3860 = private unnamed_addr constant [2 x i8] c"~\00"
+@.str.3861 = private unnamed_addr constant [46 x i8] c"'~' flips the bits of a whole number, not of \00"
+@.str.3862 = private unnamed_addr constant [5 x i8] c"xor \00"
+@.str.3863 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3864 = private unnamed_addr constant [5 x i8] c", -1\00"
+@.str.3865 = private unnamed_addr constant [35 x i8] c" can't be negative (it's unsigned)\00"
+@.str.3866 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3867 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.3868 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3869 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.3870 = private unnamed_addr constant [5 x i8] c"sub \00"
+@.str.3871 = private unnamed_addr constant [5 x i8] c" 0, \00"
+@.str.3872 = private unnamed_addr constant [6 x i8] c"fneg \00"
+@.str.3873 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.3874 = private unnamed_addr constant [27 x i8] c"can't put '-' in front of \00"
+@.str.3875 = private unnamed_addr constant [12 x i8] c"can't use '\00"
+@.str.3876 = private unnamed_addr constant [6 x i8] c"' on \00"
+@.str.3877 = private unnamed_addr constant [6 x i8] c" and \00"
+@.str.3878 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.3879 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3880 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.3881 = private unnamed_addr constant [49 x i8] c" (turn the other side into text first: str(...))\00"
+@.str.3882 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.3883 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.3884 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.3885 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.3886 = private unnamed_addr constant [27 x i8] c" (for true/false use '&&')\00"
+@.str.3887 = private unnamed_addr constant [27 x i8] c" (for true/false use '||')\00"
+@.str.3888 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.3889 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.3890 = private unnamed_addr constant [2 x i8] c"^\00"
+@.str.3891 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.3892 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.3893 = private unnamed_addr constant [44 x i8] c" (bit operators work on whole numbers only)\00"
+@.str.3894 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.3895 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.3896 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.3897 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.3898 = private unnamed_addr constant [32 x i8] c" (compare the parts one by one)\00"
+@.str.3899 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3900 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
 @.str.3901 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3902 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3903 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3904 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3905 = private unnamed_addr constant [2 x i8] c"+\00"
-@.str.3906 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.3907 = private unnamed_addr constant [2 x i8] c"*\00"
-@.str.3908 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.3909 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.3910 = private unnamed_addr constant [5 x i8] c"fadd\00"
-@.str.3911 = private unnamed_addr constant [5 x i8] c"fsub\00"
-@.str.3912 = private unnamed_addr constant [5 x i8] c"fmul\00"
-@.str.3913 = private unnamed_addr constant [5 x i8] c"fdiv\00"
-@.str.3914 = private unnamed_addr constant [5 x i8] c"frem\00"
+@.str.3902 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3903 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3904 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3905 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3906 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3907 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3908 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3909 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3910 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3912 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3913 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3914 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
 @.str.3915 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3916 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3917 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3918 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3919 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3920 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3921 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3922 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.3923 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3924 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.3925 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3926 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3927 = private unnamed_addr constant [60 x i8] c"a str is never null; to check for empty text use s.len == 0\00"
-@.str.3928 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3929 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3930 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3931 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3932 = private unnamed_addr constant [6 x i8] c" ptr \00"
-@.str.3933 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3934 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3935 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3936 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.3937 = private unnamed_addr constant [28 x i8] c"call i32 @finch_str_eq(ptr \00"
-@.str.3938 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3939 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3940 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3941 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3942 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3943 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3944 = private unnamed_addr constant [6 x i8] c" i32 \00"
-@.str.3945 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3946 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3947 = private unnamed_addr constant [29 x i8] c"call i64 @finch_str_cmp(ptr \00"
-@.str.3948 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.3949 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.3950 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3951 = private unnamed_addr constant [6 x i8] c" i64 \00"
-@.str.3952 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.3953 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3954 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3955 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3956 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.3957 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.3958 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.3959 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.3960 = private unnamed_addr constant [4 x i8] c"oeq\00"
-@.str.3961 = private unnamed_addr constant [4 x i8] c"une\00"
-@.str.3962 = private unnamed_addr constant [4 x i8] c"olt\00"
-@.str.3963 = private unnamed_addr constant [4 x i8] c"ole\00"
-@.str.3964 = private unnamed_addr constant [4 x i8] c"ogt\00"
-@.str.3965 = private unnamed_addr constant [4 x i8] c"oge\00"
-@.str.3966 = private unnamed_addr constant [6 x i8] c"fcmp \00"
+@.str.3916 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3917 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3918 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3919 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3920 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3921 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3922 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3923 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3924 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3926 = private unnamed_addr constant [28 x i8] c"used .lit on a null pointer\00"
+@.str.3927 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3928 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3929 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3930 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3932 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3933 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3934 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3935 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3936 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3937 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3938 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3939 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3940 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3941 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3942 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3944 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3945 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3946 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3947 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3948 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3949 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3950 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3951 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3952 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3954 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3955 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3956 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3958 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3960 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3961 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3962 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3963 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3964 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3965 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3966 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
 @.str.3967 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.3968 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3969 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3970 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3971 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3972 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.3973 = private unnamed_addr constant [116 x i8] c"enums can only be compared with == and != (to go through them in order, give the variants numbers and use int(...))\00"
-@.str.3974 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3975 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3976 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3977 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3978 = private unnamed_addr constant [6 x i8] c" i32 \00"
-@.str.3979 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3980 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3981 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3982 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.3983 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3984 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.3985 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3986 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.3987 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.3988 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.3989 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.3990 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.3991 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.3992 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.3993 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.3994 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.3995 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.3996 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.3997 = private unnamed_addr constant [4 x i8] c"ult\00"
-@.str.3998 = private unnamed_addr constant [4 x i8] c"ule\00"
-@.str.3999 = private unnamed_addr constant [4 x i8] c"ugt\00"
-@.str.4000 = private unnamed_addr constant [4 x i8] c"uge\00"
-@.str.4001 = private unnamed_addr constant [3 x i8] c"eq\00"
-@.str.4002 = private unnamed_addr constant [3 x i8] c"ne\00"
-@.str.4003 = private unnamed_addr constant [4 x i8] c"slt\00"
-@.str.4004 = private unnamed_addr constant [4 x i8] c"sle\00"
-@.str.4005 = private unnamed_addr constant [4 x i8] c"sgt\00"
-@.str.4006 = private unnamed_addr constant [4 x i8] c"sge\00"
+@.str.3968 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3969 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3970 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3972 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3973 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3974 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3975 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3976 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3977 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3979 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3981 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3982 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3983 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3985 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3986 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.3987 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3988 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.3989 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3990 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3991 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3992 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3993 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3994 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.3995 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.3996 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3997 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.3998 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.3999 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.4000 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4001 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4002 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4003 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.4004 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4005 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.4006 = private unnamed_addr constant [4 x i8] c"f32\00"
 @.str.4007 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4008 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.4009 = private unnamed_addr constant [3 x i8] c"||\00"
-@.str.4010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4011 = private unnamed_addr constant [11 x i8] c"logic.from\00"
-@.str.4012 = private unnamed_addr constant [10 x i8] c"logic.rhs\00"
-@.str.4013 = private unnamed_addr constant [10 x i8] c"logic.end\00"
-@.str.4014 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.4015 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4016 = private unnamed_addr constant [11 x i8] c"logic.rend\00"
-@.str.4017 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.4018 = private unnamed_addr constant [3 x i8] c"&&\00"
-@.str.4019 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.4020 = private unnamed_addr constant [10 x i8] c"phi i1 [ \00"
-@.str.4021 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.4022 = private unnamed_addr constant [7 x i8] c" ], [ \00"
-@.str.4023 = private unnamed_addr constant [4 x i8] c", %\00"
-@.str.4024 = private unnamed_addr constant [3 x i8] c" ]\00"
-@.str.4025 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4026 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4027 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4028 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.4029 = private unnamed_addr constant [3 x i8] c"!=\00"
-@.str.4030 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.4031 = private unnamed_addr constant [3 x i8] c"<=\00"
-@.str.4032 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.4033 = private unnamed_addr constant [3 x i8] c">=\00"
-@.str.4034 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4035 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4036 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4037 = private unnamed_addr constant [48 x i8] c"an empty [] needs a type, like: []int nums = []\00"
-@.str.4038 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4039 = private unnamed_addr constant [28 x i8] c"every element of this array\00"
-@.str.4040 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.4041 = private unnamed_addr constant [9 x i8] c"mul i64 \00"
-@.str.4042 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4043 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
-@.str.4044 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4045 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4046 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4047 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4048 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4049 = private unnamed_addr constant [42 x i8] c"insertvalue { ptr, i64, i64 } undef, ptr \00"
-@.str.4050 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4051 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
-@.str.4052 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4053 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.4054 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
-@.str.4055 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4056 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.4057 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4058 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
-@.str.4059 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4060 = private unnamed_addr constant [61 x i8] c"this is a temporary value, it can't be changed or pointed to\00"
-@.str.4061 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4062 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4063 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4064 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4065 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4066 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4067 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4068 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4069 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4070 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4071 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4072 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4073 = private unnamed_addr constant [8 x i8] c"fprintf\00"
-@.str.4074 = private unnamed_addr constant [6 x i8] c"stdin\00"
-@.str.4075 = private unnamed_addr constant [7 x i8] c"stdout\00"
-@.str.4076 = private unnamed_addr constant [7 x i8] c"stderr\00"
-@.str.4077 = private unnamed_addr constant [2 x i8] c"2\00"
-@.str.4078 = private unnamed_addr constant [6 x i8] c"stdin\00"
-@.str.4079 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.4080 = private unnamed_addr constant [7 x i8] c"stdout\00"
-@.str.4081 = private unnamed_addr constant [2 x i8] c"1\00"
-@.str.4082 = private unnamed_addr constant [32 x i8] c"call ptr @finch_std_stream(i32 \00"
-@.str.4083 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4008 = private unnamed_addr constant [26 x i8] c"used .v on a null pointer\00"
+@.str.4009 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4010 = private unnamed_addr constant [27 x i8] c"used .ty on a null pointer\00"
+@.str.4011 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4012 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4014 = private unnamed_addr constant [30 x i8] c"used .value on a null pointer\00"
+@.str.4015 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.4016 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4017 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4018 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4019 = private unnamed_addr constant [33 x i8] c"call void @finch_str_concat(ptr \00"
+@.str.4020 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4021 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4022 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4023 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4024 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4025 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.4026 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.4027 = private unnamed_addr constant [2 x i8] c"*\00"
+@.str.4028 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.4029 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4030 = private unnamed_addr constant [2 x i8] c"&\00"
+@.str.4031 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.4032 = private unnamed_addr constant [2 x i8] c"^\00"
+@.str.4033 = private unnamed_addr constant [3 x i8] c"<<\00"
+@.str.4034 = private unnamed_addr constant [3 x i8] c">>\00"
+@.str.4035 = private unnamed_addr constant [4 x i8] c"add\00"
+@.str.4036 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.4037 = private unnamed_addr constant [4 x i8] c"mul\00"
+@.str.4038 = private unnamed_addr constant [5 x i8] c"sdiv\00"
+@.str.4039 = private unnamed_addr constant [5 x i8] c"srem\00"
+@.str.4040 = private unnamed_addr constant [4 x i8] c"and\00"
+@.str.4041 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.4042 = private unnamed_addr constant [4 x i8] c"xor\00"
+@.str.4043 = private unnamed_addr constant [4 x i8] c"shl\00"
+@.str.4044 = private unnamed_addr constant [5 x i8] c"ashr\00"
+@.str.4045 = private unnamed_addr constant [4 x i8] c"add\00"
+@.str.4046 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.4047 = private unnamed_addr constant [4 x i8] c"mul\00"
+@.str.4048 = private unnamed_addr constant [5 x i8] c"udiv\00"
+@.str.4049 = private unnamed_addr constant [5 x i8] c"urem\00"
+@.str.4050 = private unnamed_addr constant [4 x i8] c"and\00"
+@.str.4051 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.4052 = private unnamed_addr constant [4 x i8] c"xor\00"
+@.str.4053 = private unnamed_addr constant [4 x i8] c"shl\00"
+@.str.4054 = private unnamed_addr constant [5 x i8] c"lshr\00"
+@.str.4055 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.4056 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4057 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4058 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.4059 = private unnamed_addr constant [9 x i8] c"icmp eq \00"
+@.str.4060 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4061 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4062 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.4063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4064 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4065 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4066 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4067 = private unnamed_addr constant [2 x i8] c"+\00"
+@.str.4068 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.4069 = private unnamed_addr constant [2 x i8] c"*\00"
+@.str.4070 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.4071 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4072 = private unnamed_addr constant [5 x i8] c"fadd\00"
+@.str.4073 = private unnamed_addr constant [5 x i8] c"fsub\00"
+@.str.4074 = private unnamed_addr constant [5 x i8] c"fmul\00"
+@.str.4075 = private unnamed_addr constant [5 x i8] c"fdiv\00"
+@.str.4076 = private unnamed_addr constant [5 x i8] c"frem\00"
+@.str.4077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4078 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4079 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4080 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4081 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4082 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4083 = private unnamed_addr constant [4 x i8] c"ptr\00"
 @.str.4084 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4086 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4087 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4088 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.4089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4090 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4091 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4092 = private unnamed_addr constant [3 x i8] c"g:\00"
-@.str.4093 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4094 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4095 = private unnamed_addr constant [3 x i8] c"g:\00"
-@.str.4096 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4097 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.4098 = private unnamed_addr constant [2 x i8] c"@\00"
-@.str.4099 = private unnamed_addr constant [20 x i8] c" = external global \00"
-@.str.4100 = private unnamed_addr constant [2 x i8] c"@\00"
-@.str.4101 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4102 = private unnamed_addr constant [44 x i8] c"' is a module; use something from it, like \00"
-@.str.4103 = private unnamed_addr constant [11 x i8] c".name(...)\00"
-@.str.4104 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
-@.str.4105 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4106 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.4107 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4108 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.4109 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.4110 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.4111 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4112 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4113 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.4114 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4115 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4116 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4117 = private unnamed_addr constant [2 x i8] c"e\00"
-@.str.4118 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4119 = private unnamed_addr constant [2 x i8] c"E\00"
-@.str.4120 = private unnamed_addr constant [3 x i8] c".0\00"
-@.str.4121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4122 = private unnamed_addr constant [3 x i8] c".0\00"
-@.str.4123 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4124 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4126 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.4127 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.4128 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4129 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4130 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4132 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4134 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.4135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4136 = private unnamed_addr constant [10 x i8] c"the enum \00"
-@.str.4137 = private unnamed_addr constant [18 x i8] c" has no variant '\00"
-@.str.4138 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
-@.str.4139 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4140 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4141 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.4142 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4143 = private unnamed_addr constant [4 x i8] c" = \00"
-@.str.4144 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4145 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.4146 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4148 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4149 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4150 = private unnamed_addr constant [38 x i8] c"a variant of an enum can't be changed\00"
-@.str.4151 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4152 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4153 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4154 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
-@.str.4155 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.4156 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.4157 = private unnamed_addr constant [7 x i8] c"used .\00"
-@.str.4158 = private unnamed_addr constant [19 x i8] c" on a null pointer\00"
-@.str.4159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4160 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4161 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4162 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4163 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4164 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.4165 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.4166 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4167 = private unnamed_addr constant [3 x i8] c"a \00"
-@.str.4168 = private unnamed_addr constant [44 x i8] c" only has '.value' (the thing it points to)\00"
-@.str.4169 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.4170 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4171 = private unnamed_addr constant [27 x i8] c" can't be changed directly\00"
-@.str.4172 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.4173 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4174 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4175 = private unnamed_addr constant [35 x i8] c"an array has .len and .ptr, not '.\00"
-@.str.4176 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4177 = private unnamed_addr constant [49 x i8] c".ptr of a temporary value would point to nothing\00"
-@.str.4178 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4179 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4180 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4181 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4182 = private unnamed_addr constant [31 x i8] c".ptr can't be changed directly\00"
-@.str.4183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4184 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.4185 = private unnamed_addr constant [54 x i8] c".ptr of a temporary value would point to freed memory\00"
-@.str.4186 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4187 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4188 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.4189 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4190 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4191 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4192 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4193 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.4194 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.4195 = private unnamed_addr constant [38 x i8] c"an array, map or str has .len, not '.\00"
-@.str.4196 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4197 = private unnamed_addr constant [49 x i8] c".len can't be changed directly (use push or pop)\00"
-@.str.4198 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4199 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4200 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.4201 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4202 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4203 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.4204 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4205 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.4206 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4207 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4208 = private unnamed_addr constant [22 x i8] c" has no fields (no '.\00"
-@.str.4209 = private unnamed_addr constant [3 x i8] c"')\00"
-@.str.4210 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4211 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4213 = private unnamed_addr constant [12 x i8] c"the struct \00"
-@.str.4214 = private unnamed_addr constant [16 x i8] c" has no field '\00"
-@.str.4215 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
-@.str.4216 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4217 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4218 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4219 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.4220 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4221 = private unnamed_addr constant [5 x i8] c"\0A```\00"
-@.str.4222 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4223 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4224 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4225 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
-@.str.4226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4227 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.4228 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4229 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4085 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4086 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4087 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4088 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4089 = private unnamed_addr constant [60 x i8] c"a str is never null; to check for empty text use s.len == 0\00"
+@.str.4090 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4091 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4092 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4093 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4094 = private unnamed_addr constant [6 x i8] c" ptr \00"
+@.str.4095 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4096 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4097 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4098 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4099 = private unnamed_addr constant [28 x i8] c"call i32 @finch_str_eq(ptr \00"
+@.str.4100 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4101 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4102 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4103 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4104 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4105 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4106 = private unnamed_addr constant [6 x i8] c" i32 \00"
+@.str.4107 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4108 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4109 = private unnamed_addr constant [29 x i8] c"call i64 @finch_str_cmp(ptr \00"
+@.str.4110 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4111 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4112 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4113 = private unnamed_addr constant [6 x i8] c" i64 \00"
+@.str.4114 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4115 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4116 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4117 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4118 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.4119 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.4120 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.4121 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.4122 = private unnamed_addr constant [4 x i8] c"oeq\00"
+@.str.4123 = private unnamed_addr constant [4 x i8] c"une\00"
+@.str.4124 = private unnamed_addr constant [4 x i8] c"olt\00"
+@.str.4125 = private unnamed_addr constant [4 x i8] c"ole\00"
+@.str.4126 = private unnamed_addr constant [4 x i8] c"ogt\00"
+@.str.4127 = private unnamed_addr constant [4 x i8] c"oge\00"
+@.str.4128 = private unnamed_addr constant [6 x i8] c"fcmp \00"
+@.str.4129 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4130 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4131 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4132 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4133 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4134 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4135 = private unnamed_addr constant [116 x i8] c"enums can only be compared with == and != (to go through them in order, give the variants numbers and use int(...))\00"
+@.str.4136 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4137 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4138 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4139 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4140 = private unnamed_addr constant [6 x i8] c" i32 \00"
+@.str.4141 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4142 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4143 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4144 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4145 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4146 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.4147 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4148 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4149 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4150 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4151 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4152 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4153 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.4154 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.4155 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.4156 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.4157 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4158 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4159 = private unnamed_addr constant [4 x i8] c"ult\00"
+@.str.4160 = private unnamed_addr constant [4 x i8] c"ule\00"
+@.str.4161 = private unnamed_addr constant [4 x i8] c"ugt\00"
+@.str.4162 = private unnamed_addr constant [4 x i8] c"uge\00"
+@.str.4163 = private unnamed_addr constant [3 x i8] c"eq\00"
+@.str.4164 = private unnamed_addr constant [3 x i8] c"ne\00"
+@.str.4165 = private unnamed_addr constant [4 x i8] c"slt\00"
+@.str.4166 = private unnamed_addr constant [4 x i8] c"sle\00"
+@.str.4167 = private unnamed_addr constant [4 x i8] c"sgt\00"
+@.str.4168 = private unnamed_addr constant [4 x i8] c"sge\00"
+@.str.4169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4170 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.4171 = private unnamed_addr constant [3 x i8] c"||\00"
+@.str.4172 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4173 = private unnamed_addr constant [11 x i8] c"logic.from\00"
+@.str.4174 = private unnamed_addr constant [10 x i8] c"logic.rhs\00"
+@.str.4175 = private unnamed_addr constant [10 x i8] c"logic.end\00"
+@.str.4176 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.4177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4178 = private unnamed_addr constant [11 x i8] c"logic.rend\00"
+@.str.4179 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.4180 = private unnamed_addr constant [3 x i8] c"&&\00"
+@.str.4181 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.4182 = private unnamed_addr constant [10 x i8] c"phi i1 [ \00"
+@.str.4183 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.4184 = private unnamed_addr constant [7 x i8] c" ], [ \00"
+@.str.4185 = private unnamed_addr constant [4 x i8] c", %\00"
+@.str.4186 = private unnamed_addr constant [3 x i8] c" ]\00"
+@.str.4187 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4188 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4190 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4191 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4192 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.4193 = private unnamed_addr constant [3 x i8] c"!=\00"
+@.str.4194 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.4195 = private unnamed_addr constant [3 x i8] c"<=\00"
+@.str.4196 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.4197 = private unnamed_addr constant [3 x i8] c">=\00"
+@.str.4198 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4199 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4200 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4201 = private unnamed_addr constant [48 x i8] c"an empty [] needs a type, like: []int nums = []\00"
+@.str.4202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4203 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4204 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4205 = private unnamed_addr constant [28 x i8] c"every element of this array\00"
+@.str.4206 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4207 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4208 = private unnamed_addr constant [9 x i8] c"mul i64 \00"
+@.str.4209 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4210 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
+@.str.4211 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4212 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4213 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4214 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4216 = private unnamed_addr constant [42 x i8] c"insertvalue { ptr, i64, i64 } undef, ptr \00"
+@.str.4217 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4218 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
+@.str.4219 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4220 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.4221 = private unnamed_addr constant [31 x i8] c"insertvalue { ptr, i64, i64 } \00"
+@.str.4222 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4223 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.4224 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4225 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
+@.str.4226 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4227 = private unnamed_addr constant [61 x i8] c"this is a temporary value, it can't be changed or pointed to\00"
+@.str.4228 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4229 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4230 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.4231 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4232 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.4232 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.4233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4234 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4235 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4236 = private unnamed_addr constant [9 x i8] c"an index\00"
-@.str.4237 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.4238 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4239 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4240 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4241 = private unnamed_addr constant [14 x i8] c", i64 0, i64 \00"
-@.str.4242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4243 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4244 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
-@.str.4245 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4246 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4247 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4248 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4249 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4250 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4251 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4252 = private unnamed_addr constant [47 x i8] c"[ ] works on arrays, str and pointers, not on \00"
-@.str.4253 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4254 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4255 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4256 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4257 = private unnamed_addr constant [45 x i8] c"this is a temporary str, it can't be changed\00"
-@.str.4258 = private unnamed_addr constant [30 x i8] c"call void @finch_str_own(ptr \00"
-@.str.4259 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4260 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4261 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.4262 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.4263 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
-@.str.4264 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4265 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.4266 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4267 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4268 = private unnamed_addr constant [18 x i8] c"named arguments (\00"
-@.str.4269 = private unnamed_addr constant [37 x i8] c": ...) are only for creating structs\00"
-@.str.4270 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4271 = private unnamed_addr constant [9 x i8] c"' takes \00"
-@.str.4272 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
-@.str.4273 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4274 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4275 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4276 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4277 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.4278 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4279 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4280 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4281 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4282 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4283 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.4284 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.4285 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4286 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.4287 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.4288 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.4289 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.4290 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.4291 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4292 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4293 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4294 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4234 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4235 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4236 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4237 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4238 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4239 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4240 = private unnamed_addr constant [8 x i8] c"fprintf\00"
+@.str.4241 = private unnamed_addr constant [6 x i8] c"stdin\00"
+@.str.4242 = private unnamed_addr constant [7 x i8] c"stdout\00"
+@.str.4243 = private unnamed_addr constant [7 x i8] c"stderr\00"
+@.str.4244 = private unnamed_addr constant [2 x i8] c"2\00"
+@.str.4245 = private unnamed_addr constant [6 x i8] c"stdin\00"
+@.str.4246 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4247 = private unnamed_addr constant [7 x i8] c"stdout\00"
+@.str.4248 = private unnamed_addr constant [2 x i8] c"1\00"
+@.str.4249 = private unnamed_addr constant [32 x i8] c"call ptr @finch_std_stream(i32 \00"
+@.str.4250 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4251 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4252 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4253 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4254 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4255 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
+@.str.4256 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4257 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4258 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4259 = private unnamed_addr constant [3 x i8] c"g:\00"
+@.str.4260 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4261 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4262 = private unnamed_addr constant [3 x i8] c"g:\00"
+@.str.4263 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4264 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.4265 = private unnamed_addr constant [2 x i8] c"@\00"
+@.str.4266 = private unnamed_addr constant [20 x i8] c" = external global \00"
+@.str.4267 = private unnamed_addr constant [2 x i8] c"@\00"
+@.str.4268 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4269 = private unnamed_addr constant [44 x i8] c"' is a module; use something from it, like \00"
+@.str.4270 = private unnamed_addr constant [11 x i8] c".name(...)\00"
+@.str.4271 = private unnamed_addr constant [29 x i8] c"there is no variable named '\00"
+@.str.4272 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4273 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.4274 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4275 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.4276 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.4277 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.4278 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4279 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4280 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4281 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4282 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4283 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4284 = private unnamed_addr constant [2 x i8] c"e\00"
+@.str.4285 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4286 = private unnamed_addr constant [2 x i8] c"E\00"
+@.str.4287 = private unnamed_addr constant [3 x i8] c".0\00"
+@.str.4288 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4289 = private unnamed_addr constant [3 x i8] c".0\00"
+@.str.4290 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4291 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4293 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.4294 = private unnamed_addr constant [7 x i8] c"member\00"
 @.str.4295 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4296 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4297 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4298 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4299 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4300 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4301 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4302 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.4303 = private unnamed_addr constant [33 x i8] c"call i32 @finch_str_try_int(ptr \00"
-@.str.4304 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4305 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4306 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4307 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4308 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4309 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4310 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4311 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4312 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4313 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4314 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4315 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4316 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4317 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4318 = private unnamed_addr constant [4 x i8] c"0.0\00"
-@.str.4319 = private unnamed_addr constant [35 x i8] c"call i32 @finch_str_try_float(ptr \00"
-@.str.4320 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4321 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4322 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4323 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4324 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4325 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4326 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4327 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4296 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4297 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4298 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4300 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4301 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.4302 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4303 = private unnamed_addr constant [10 x i8] c"the enum \00"
+@.str.4304 = private unnamed_addr constant [18 x i8] c" has no variant '\00"
+@.str.4305 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
+@.str.4306 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4307 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4308 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.4309 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4310 = private unnamed_addr constant [4 x i8] c" = \00"
+@.str.4311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4312 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.4313 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4314 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4315 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4317 = private unnamed_addr constant [38 x i8] c"a variant of an enum can't be changed\00"
+@.str.4318 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4319 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4320 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4321 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
+@.str.4322 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.4323 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.4324 = private unnamed_addr constant [7 x i8] c"used .\00"
+@.str.4325 = private unnamed_addr constant [19 x i8] c" on a null pointer\00"
+@.str.4326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4327 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.4328 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4329 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4330 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4331 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4332 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4333 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4334 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.4335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4336 = private unnamed_addr constant [32 x i8] c"call i64 @finch_str_to_int(ptr \00"
-@.str.4337 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4338 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4339 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4329 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4330 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4331 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.4332 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.4333 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4334 = private unnamed_addr constant [3 x i8] c"a \00"
+@.str.4335 = private unnamed_addr constant [44 x i8] c" only has '.value' (the thing it points to)\00"
+@.str.4336 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4337 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4338 = private unnamed_addr constant [27 x i8] c" can't be changed directly\00"
+@.str.4339 = private unnamed_addr constant [4 x i8] c"len\00"
 @.str.4340 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4341 = private unnamed_addr constant [37 x i8] c"call double @finch_str_to_float(ptr \00"
-@.str.4342 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4343 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4344 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4345 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4346 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4347 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4348 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4349 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4350 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4351 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4352 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.4353 = private unnamed_addr constant [7 x i8] c"fptoui\00"
-@.str.4354 = private unnamed_addr constant [7 x i8] c"fptosi\00"
-@.str.4355 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4356 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4357 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.4358 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4359 = private unnamed_addr constant [9 x i8] c"icmp ne \00"
-@.str.4360 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4361 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4362 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4363 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4364 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.4365 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4366 = private unnamed_addr constant [14 x i8] c"inttoptr i64 \00"
-@.str.4367 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.4368 = private unnamed_addr constant [8 x i8] c" to ptr\00"
-@.str.4369 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4370 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
-@.str.4371 = private unnamed_addr constant [5 x i8] c" to \00"
-@.str.4372 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4373 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4374 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4375 = private unnamed_addr constant [71 x i8] c"use .ptr to get a str's address (it is only valid while the str lives)\00"
-@.str.4376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4377 = private unnamed_addr constant [12 x i8] c"can't turn \00"
-@.str.4378 = private unnamed_addr constant [7 x i8] c" into \00"
-@.str.4379 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4381 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4382 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4383 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.4384 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4385 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4386 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4387 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4388 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.4389 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4390 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4391 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4392 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4341 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4342 = private unnamed_addr constant [35 x i8] c"an array has .len and .ptr, not '.\00"
+@.str.4343 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4344 = private unnamed_addr constant [49 x i8] c".ptr of a temporary value would point to nothing\00"
+@.str.4345 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4346 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4347 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4348 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4349 = private unnamed_addr constant [31 x i8] c".ptr can't be changed directly\00"
+@.str.4350 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4351 = private unnamed_addr constant [2 x i8] c"%\00"
+@.str.4352 = private unnamed_addr constant [54 x i8] c".ptr of a temporary value would point to freed memory\00"
+@.str.4353 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4354 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4355 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.4356 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4357 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4358 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4359 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4360 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.4361 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.4362 = private unnamed_addr constant [38 x i8] c"an array, map or str has .len, not '.\00"
+@.str.4363 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4364 = private unnamed_addr constant [49 x i8] c".len can't be changed directly (use push or pop)\00"
+@.str.4365 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4366 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4367 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.4368 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4369 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4370 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.4371 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4372 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.4373 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4374 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4375 = private unnamed_addr constant [22 x i8] c" has no fields (no '.\00"
+@.str.4376 = private unnamed_addr constant [3 x i8] c"')\00"
+@.str.4377 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4378 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4379 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4380 = private unnamed_addr constant [12 x i8] c"the struct \00"
+@.str.4381 = private unnamed_addr constant [16 x i8] c" has no field '\00"
+@.str.4382 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
+@.str.4383 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4384 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4385 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4386 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.4387 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4388 = private unnamed_addr constant [5 x i8] c"\0A```\00"
+@.str.4389 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4390 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4391 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4392 = private unnamed_addr constant [14 x i8] c", i32 0, i32 \00"
 @.str.4393 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4394 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4395 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4396 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4394 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.4395 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4396 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.4397 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.4398 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4399 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4400 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4401 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4399 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4400 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4401 = private unnamed_addr constant [4 x i8] c"map\00"
 @.str.4402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4403 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4404 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4405 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.4406 = private unnamed_addr constant [4 x i8] c" x \00"
-@.str.4407 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.4408 = private unnamed_addr constant [3 x i8] c"{ \00"
-@.str.4409 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4410 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.4411 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4412 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4413 = private unnamed_addr constant [5 x i8] c"i128\00"
-@.str.4414 = private unnamed_addr constant [5 x i8] c"i128\00"
-@.str.4415 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.4416 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4417 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
-@.str.4418 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
-@.str.4419 = private unnamed_addr constant [7 x i8] c"direct\00"
-@.str.4420 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4421 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4422 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4423 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4403 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4404 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4405 = private unnamed_addr constant [9 x i8] c"an index\00"
+@.str.4406 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4407 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4408 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4409 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4410 = private unnamed_addr constant [14 x i8] c", i64 0, i64 \00"
+@.str.4411 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4412 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4413 = private unnamed_addr constant [58 x i8] c"this ptr has no type, so Finch doesn't know what's inside\00"
+@.str.4414 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4415 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4416 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4417 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4418 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4419 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4420 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4421 = private unnamed_addr constant [47 x i8] c"[ ] works on arrays, str and pointers, not on \00"
+@.str.4422 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4423 = private unnamed_addr constant [6 x i8] c"array\00"
 @.str.4424 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4425 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4426 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4427 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4428 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4429 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4431 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4432 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4434 = private unnamed_addr constant [17 x i8] c"division by zero\00"
-@.str.4435 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4436 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4437 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4438 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4439 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4440 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4441 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4442 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4443 = private unnamed_addr constant [7 x i8] c"double\00"
-@.str.4444 = private unnamed_addr constant [12 x i8] c"<2 x float>\00"
-@.str.4445 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4446 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4447 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4448 = private unnamed_addr constant [3 x i8] c"{ \00"
-@.str.4449 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4450 = private unnamed_addr constant [3 x i8] c" }\00"
-@.str.4451 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4452 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4453 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4454 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4455 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4456 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4457 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4458 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4459 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4460 = private unnamed_addr constant [2 x i8] c"i\00"
-@.str.4461 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4462 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4463 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4464 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4465 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4466 = private unnamed_addr constant [7 x i8] c"direct\00"
-@.str.4467 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4468 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4469 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4470 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4471 = private unnamed_addr constant [17 x i8] c"the C function '\00"
-@.str.4472 = private unnamed_addr constant [3 x i8] c"' \00"
-@.str.4473 = private unnamed_addr constant [19 x i8] c" the Finch struct \00"
-@.str.4474 = private unnamed_addr constant [21 x i8] c", which C can't take\00"
-@.str.4475 = private unnamed_addr constant [17 x i8] c"the C function '\00"
-@.str.4476 = private unnamed_addr constant [3 x i8] c"' \00"
-@.str.4477 = private unnamed_addr constant [13 x i8] c" the struct \00"
-@.str.4478 = private unnamed_addr constant [41 x i8] c" by value, which Finch can't do yet: it \00"
-@.str.4479 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4480 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4481 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4482 = private unnamed_addr constant [60 x i8] c"methods can't be exported (export a plain fn that calls it)\00"
-@.str.4483 = private unnamed_addr constant [75 x i8] c"an export fn can't fail (C has no errors as values): handle them inside it\00"
-@.str.4484 = private unnamed_addr constant [30 x i8] c"an export fn can't be generic\00"
-@.str.4485 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4486 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4487 = private unnamed_addr constant [67 x i8] c"an export fn takes numbers, bool, char and pointers only (this is \00"
-@.str.4488 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4489 = private unnamed_addr constant [51 x i8] c"; pass text as ptr[char] and make it a str inside)\00"
-@.str.4490 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4491 = private unnamed_addr constant [70 x i8] c"an export fn returns nothing, a number, bool, char or a pointer (not \00"
-@.str.4492 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4493 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4494 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.4495 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4496 = private unnamed_addr constant [39 x i8] c"' is exported twice (from two modules)\00"
+@.str.4425 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4426 = private unnamed_addr constant [45 x i8] c"this is a temporary str, it can't be changed\00"
+@.str.4427 = private unnamed_addr constant [30 x i8] c"call void @finch_str_own(ptr \00"
+@.str.4428 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4429 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4430 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.4431 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.4432 = private unnamed_addr constant [32 x i8] c"extractvalue { ptr, i64, i64 } \00"
+@.str.4433 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4434 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.4435 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4436 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4437 = private unnamed_addr constant [18 x i8] c"named arguments (\00"
+@.str.4438 = private unnamed_addr constant [37 x i8] c": ...) are only for creating structs\00"
+@.str.4439 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4440 = private unnamed_addr constant [9 x i8] c"' takes \00"
+@.str.4441 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
+@.str.4442 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4443 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4444 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4445 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4446 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.4447 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4448 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4449 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4450 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4451 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4452 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.4453 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.4454 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4455 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.4456 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.4457 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.4458 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.4459 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4460 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4461 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4462 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4463 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4465 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.4466 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4467 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4468 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.4469 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4470 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4471 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.4472 = private unnamed_addr constant [33 x i8] c"call i32 @finch_str_try_int(ptr \00"
+@.str.4473 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4474 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4475 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4476 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.4477 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4478 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4479 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.4480 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4481 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4482 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.4483 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4484 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4485 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4486 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4487 = private unnamed_addr constant [4 x i8] c"0.0\00"
+@.str.4488 = private unnamed_addr constant [35 x i8] c"call i32 @finch_str_try_float(ptr \00"
+@.str.4489 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4490 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4491 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4492 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.4493 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4494 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4495 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.4496 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
 @.str.4497 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4498 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4499 = private unnamed_addr constant [14 x i8] c"i8 zeroext %e\00"
-@.str.4500 = private unnamed_addr constant [4 x i8] c"i1 \00"
-@.str.4501 = private unnamed_addr constant [14 x i8] c"icmp ne i8 %e\00"
-@.str.4502 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4503 = private unnamed_addr constant [4 x i8] c" %e\00"
-@.str.4504 = private unnamed_addr constant [4 x i8] c" %e\00"
-@.str.4505 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.4506 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4507 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4508 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4509 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4510 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4511 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4512 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4513 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.4514 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4515 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.4516 = private unnamed_addr constant [9 x i8] c" zeroext\00"
-@.str.4517 = private unnamed_addr constant [8 x i8] c"ret i8 \00"
-@.str.4518 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4519 = private unnamed_addr constant [7 x i8] c" to i8\00"
-@.str.4520 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.4521 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4522 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4523 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4524 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4525 = private unnamed_addr constant [11 x i8] c" dllexport\00"
-@.str.4526 = private unnamed_addr constant [7 x i8] c"define\00"
-@.str.4527 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4528 = private unnamed_addr constant [3 x i8] c" @\00"
-@.str.4529 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4530 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4531 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4532 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4533 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.4534 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4535 = private unnamed_addr constant [10 x i8] c"@finch.c.\00"
-@.str.4536 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.4537 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4538 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4539 = private unnamed_addr constant [3 x i8] c"t:\00"
-@.str.4540 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4541 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4542 = private unnamed_addr constant [3 x i8] c"t:\00"
-@.str.4543 = private unnamed_addr constant [6 x i8] c"addr(\00"
-@.str.4544 = private unnamed_addr constant [82 x i8] c") gives C a function pointer, so it can't be a method or a function that can fail\00"
-@.str.4545 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4546 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4547 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4498 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.4499 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4500 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4501 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4502 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4503 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.4504 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4505 = private unnamed_addr constant [32 x i8] c"call i64 @finch_str_to_int(ptr \00"
+@.str.4506 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4507 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4508 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4509 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4510 = private unnamed_addr constant [37 x i8] c"call double @finch_str_to_float(ptr \00"
+@.str.4511 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4512 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4513 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4514 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4515 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4516 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4517 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4518 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4519 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4520 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.4521 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.4522 = private unnamed_addr constant [7 x i8] c"fptoui\00"
+@.str.4523 = private unnamed_addr constant [7 x i8] c"fptosi\00"
+@.str.4524 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4525 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4526 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.4527 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4528 = private unnamed_addr constant [9 x i8] c"icmp ne \00"
+@.str.4529 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4530 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4531 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4532 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4533 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.4534 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4535 = private unnamed_addr constant [14 x i8] c"inttoptr i64 \00"
+@.str.4536 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.4537 = private unnamed_addr constant [8 x i8] c" to ptr\00"
+@.str.4538 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4539 = private unnamed_addr constant [14 x i8] c"ptrtoint ptr \00"
+@.str.4540 = private unnamed_addr constant [5 x i8] c" to \00"
+@.str.4541 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4542 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4543 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4544 = private unnamed_addr constant [71 x i8] c"use .ptr to get a str's address (it is only valid while the str lives)\00"
+@.str.4545 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4546 = private unnamed_addr constant [12 x i8] c"can't turn \00"
+@.str.4547 = private unnamed_addr constant [7 x i8] c" into \00"
 @.str.4548 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.4549 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.4550 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.4551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4552 = private unnamed_addr constant [6 x i8] c"addr(\00"
-@.str.4553 = private unnamed_addr constant [96 x i8] c") gives C a function pointer, so its parameters must be C types (numbers, ptr, C structs), not \00"
-@.str.4554 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4555 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4556 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4557 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4558 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4559 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4560 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.4561 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4562 = private unnamed_addr constant [6 x i8] c"addr(\00"
-@.str.4563 = private unnamed_addr constant [39 x i8] c"): a function given to C can't return \00"
-@.str.4564 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4565 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
-@.str.4566 = private unnamed_addr constant [15 x i8] c") align 16 %c0\00"
-@.str.4567 = private unnamed_addr constant [4 x i8] c"%c0\00"
-@.str.4568 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4552 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4554 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4555 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4556 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4557 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4558 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4559 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4560 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4561 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4562 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4563 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4564 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4565 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.4566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4567 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4568 = private unnamed_addr constant [6 x i8] c"float\00"
 @.str.4569 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4570 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4571 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
-@.str.4572 = private unnamed_addr constant [9 x i8] c") align \00"
-@.str.4573 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4574 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4575 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.4576 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4577 = private unnamed_addr constant [7 x i8] c"ptr %c\00"
-@.str.4578 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4579 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.4580 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4581 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4582 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4583 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4584 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4585 = private unnamed_addr constant [3 x i8] c"%c\00"
-@.str.4586 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
-@.str.4587 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4588 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4589 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4590 = private unnamed_addr constant [4 x i8] c" %c\00"
-@.str.4591 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.4592 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4593 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4594 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4595 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4596 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4597 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4598 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.4599 = private unnamed_addr constant [9 x i8] c"ret void\00"
-@.str.4600 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4601 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4602 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.4603 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4604 = private unnamed_addr constant [5 x i8] c"ret \00"
-@.str.4605 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4606 = private unnamed_addr constant [16 x i8] c"define internal\00"
-@.str.4607 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4608 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4609 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4610 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4611 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4612 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4613 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
-@.str.4614 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4615 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4570 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4571 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4572 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4573 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4574 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.4575 = private unnamed_addr constant [4 x i8] c" x \00"
+@.str.4576 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.4577 = private unnamed_addr constant [3 x i8] c"{ \00"
+@.str.4578 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4579 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.4580 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4581 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4582 = private unnamed_addr constant [5 x i8] c"i128\00"
+@.str.4583 = private unnamed_addr constant [5 x i8] c"i128\00"
+@.str.4584 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.4585 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.4586 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
+@.str.4587 = private unnamed_addr constant [10 x i8] c"[2 x i64]\00"
+@.str.4588 = private unnamed_addr constant [7 x i8] c"direct\00"
+@.str.4589 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4590 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4591 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4592 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4593 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4594 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4595 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4596 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4597 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4598 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.4599 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4600 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4601 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4602 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4603 = private unnamed_addr constant [17 x i8] c"division by zero\00"
+@.str.4604 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4605 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4606 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4607 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4608 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4609 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4610 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4611 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4612 = private unnamed_addr constant [7 x i8] c"double\00"
+@.str.4613 = private unnamed_addr constant [12 x i8] c"<2 x float>\00"
+@.str.4614 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4615 = private unnamed_addr constant [2 x i8] c"i\00"
 @.str.4616 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4617 = private unnamed_addr constant [55 x i8] c"(...) turns a whole number into the enum, but this is \00"
-@.str.4618 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4619 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4620 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4621 = private unnamed_addr constant [38 x i8] c" is not the number of any variant of \00"
-@.str.4622 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4623 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4624 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
-@.str.4625 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4626 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4627 = private unnamed_addr constant [7 x i8] c"or i1 \00"
-@.str.4628 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4629 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
-@.str.4630 = private unnamed_addr constant [7 x i8] c", true\00"
-@.str.4631 = private unnamed_addr constant [33 x i8] c"this number is not a variant of \00"
-@.str.4632 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.4633 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4634 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4635 = private unnamed_addr constant [9 x i8] c" zeroext\00"
-@.str.4636 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4617 = private unnamed_addr constant [3 x i8] c"{ \00"
+@.str.4618 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4619 = private unnamed_addr constant [3 x i8] c" }\00"
+@.str.4620 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4621 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4622 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4623 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4624 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4625 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4626 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4627 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4628 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4629 = private unnamed_addr constant [2 x i8] c"i\00"
+@.str.4630 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4631 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4632 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4633 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4634 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4635 = private unnamed_addr constant [7 x i8] c"direct\00"
+@.str.4636 = private unnamed_addr constant [7 x i8] c"struct\00"
 @.str.4637 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4638 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.4639 = private unnamed_addr constant [9 x i8] c" signext\00"
-@.str.4640 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4641 = private unnamed_addr constant [9 x i8] c" zeroext\00"
-@.str.4642 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4643 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4644 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4645 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4646 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.4647 = private unnamed_addr constant [4 x i8] c"...\00"
-@.str.4648 = private unnamed_addr constant [18 x i8] c"C function from `\00"
-@.str.4649 = private unnamed_addr constant [8 x i8] c"`\0A```c\0A\00"
-@.str.4650 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4651 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4652 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4653 = private unnamed_addr constant [6 x i8] c")\0A```\00"
-@.str.4654 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4655 = private unnamed_addr constant [17 x i8] c"the C function '\00"
-@.str.4656 = private unnamed_addr constant [36 x i8] c"' can't be used from Finch yet: it \00"
-@.str.4657 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4658 = private unnamed_addr constant [18 x i8] c"' takes at least \00"
-@.str.4659 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
-@.str.4660 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.4661 = private unnamed_addr constant [9 x i8] c"' takes \00"
-@.str.4662 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
-@.str.4663 = private unnamed_addr constant [8 x i8] c"returns\00"
-@.str.4664 = private unnamed_addr constant [6 x i8] c"takes\00"
-@.str.4665 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4666 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
-@.str.4667 = private unnamed_addr constant [11 x i8] c") align 16\00"
-@.str.4668 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
-@.str.4669 = private unnamed_addr constant [12 x i8] c") align 16 \00"
-@.str.4670 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4671 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4672 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4673 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4674 = private unnamed_addr constant [10 x i8] c"argument \00"
-@.str.4675 = private unnamed_addr constant [5 x i8] c" of \00"
-@.str.4676 = private unnamed_addr constant [7 x i8] c"memory\00"
-@.str.4677 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
-@.str.4678 = private unnamed_addr constant [9 x i8] c") align \00"
-@.str.4679 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4680 = private unnamed_addr constant [9 x i8] c"indirect\00"
-@.str.4681 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4682 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.4683 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4684 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4685 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4686 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
-@.str.4687 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4688 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4689 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4638 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4639 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4640 = private unnamed_addr constant [17 x i8] c"the C function '\00"
+@.str.4641 = private unnamed_addr constant [3 x i8] c"' \00"
+@.str.4642 = private unnamed_addr constant [19 x i8] c" the Finch struct \00"
+@.str.4643 = private unnamed_addr constant [21 x i8] c", which C can't take\00"
+@.str.4644 = private unnamed_addr constant [17 x i8] c"the C function '\00"
+@.str.4645 = private unnamed_addr constant [3 x i8] c"' \00"
+@.str.4646 = private unnamed_addr constant [13 x i8] c" the struct \00"
+@.str.4647 = private unnamed_addr constant [41 x i8] c" by value, which Finch can't do yet: it \00"
+@.str.4648 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4649 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4650 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4651 = private unnamed_addr constant [60 x i8] c"methods can't be exported (export a plain fn that calls it)\00"
+@.str.4652 = private unnamed_addr constant [75 x i8] c"an export fn can't fail (C has no errors as values): handle them inside it\00"
+@.str.4653 = private unnamed_addr constant [30 x i8] c"an export fn can't be generic\00"
+@.str.4654 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4655 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4656 = private unnamed_addr constant [67 x i8] c"an export fn takes numbers, bool, char and pointers only (this is \00"
+@.str.4657 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4658 = private unnamed_addr constant [51 x i8] c"; pass text as ptr[char] and make it a str inside)\00"
+@.str.4659 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4660 = private unnamed_addr constant [70 x i8] c"an export fn returns nothing, a number, bool, char or a pointer (not \00"
+@.str.4661 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4663 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.4664 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4665 = private unnamed_addr constant [39 x i8] c"' is exported twice (from two modules)\00"
+@.str.4666 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4667 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4668 = private unnamed_addr constant [14 x i8] c"i8 zeroext %e\00"
+@.str.4669 = private unnamed_addr constant [4 x i8] c"i1 \00"
+@.str.4670 = private unnamed_addr constant [14 x i8] c"icmp ne i8 %e\00"
+@.str.4671 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.4672 = private unnamed_addr constant [4 x i8] c" %e\00"
+@.str.4673 = private unnamed_addr constant [4 x i8] c" %e\00"
+@.str.4674 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.4675 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4676 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4677 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4678 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4679 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4680 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4681 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4682 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.4683 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4684 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.4685 = private unnamed_addr constant [9 x i8] c" zeroext\00"
+@.str.4686 = private unnamed_addr constant [8 x i8] c"ret i8 \00"
+@.str.4687 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.4688 = private unnamed_addr constant [7 x i8] c" to i8\00"
+@.str.4689 = private unnamed_addr constant [5 x i8] c"ret \00"
 @.str.4690 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4691 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4692 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.4693 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4694 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4695 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4696 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4697 = private unnamed_addr constant [24 x i8] c"this gives back nothing\00"
-@.str.4698 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4699 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4700 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4701 = private unnamed_addr constant [69 x i8] c"structs and arrays can't be passed to the '...' part of a C function\00"
-@.str.4702 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.4703 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4704 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4705 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4706 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4707 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4708 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4709 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4710 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4711 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4712 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4713 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.4714 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4715 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4716 = private unnamed_addr constant [7 x i8] c"direct\00"
-@.str.4717 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4718 = private unnamed_addr constant [6 x i8] c", ...\00"
-@.str.4719 = private unnamed_addr constant [4 x i8] c"...\00"
+@.str.4691 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4692 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4693 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4694 = private unnamed_addr constant [11 x i8] c" dllexport\00"
+@.str.4695 = private unnamed_addr constant [7 x i8] c"define\00"
+@.str.4696 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4697 = private unnamed_addr constant [3 x i8] c" @\00"
+@.str.4698 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4699 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4700 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4701 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4702 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.4703 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4704 = private unnamed_addr constant [10 x i8] c"@finch.c.\00"
+@.str.4705 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.4706 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4707 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4708 = private unnamed_addr constant [3 x i8] c"t:\00"
+@.str.4709 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4710 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4711 = private unnamed_addr constant [3 x i8] c"t:\00"
+@.str.4712 = private unnamed_addr constant [6 x i8] c"addr(\00"
+@.str.4713 = private unnamed_addr constant [82 x i8] c") gives C a function pointer, so it can't be a method or a function that can fail\00"
+@.str.4714 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4715 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4716 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4717 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4718 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4719 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
 @.str.4720 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4721 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4722 = private unnamed_addr constant [3 x i8] c"f:\00"
-@.str.4723 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4724 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
-@.str.4725 = private unnamed_addr constant [3 x i8] c"f:\00"
-@.str.4726 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4727 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.4728 = private unnamed_addr constant [8 x i8] c"declare\00"
-@.str.4729 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4730 = private unnamed_addr constant [3 x i8] c" @\00"
-@.str.4731 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4732 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4733 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4734 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4735 = private unnamed_addr constant [3 x i8] c" (\00"
-@.str.4736 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4737 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4738 = private unnamed_addr constant [5 x i8] c"call\00"
-@.str.4739 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4740 = private unnamed_addr constant [3 x i8] c" @\00"
-@.str.4741 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.4742 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.4743 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4744 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4745 = private unnamed_addr constant [7 x i8] c"expand\00"
-@.str.4746 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
-@.str.4747 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4748 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4749 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4750 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
-@.str.4751 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4752 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4753 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4754 = private unnamed_addr constant [7 x i8] c"printf\00"
-@.str.4755 = private unnamed_addr constant [7 x i8] c"fflush\00"
-@.str.4756 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.4757 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.4758 = private unnamed_addr constant [6 x i8] c"qsort\00"
-@.str.4759 = private unnamed_addr constant [7 x i8] c"printf\00"
-@.str.4760 = private unnamed_addr constant [5 x i8] c"puts\00"
-@.str.4761 = private unnamed_addr constant [8 x i8] c"putchar\00"
-@.str.4762 = private unnamed_addr constant [6 x i8] c"scanf\00"
-@.str.4763 = private unnamed_addr constant [6 x i8] c"fopen\00"
-@.str.4764 = private unnamed_addr constant [8 x i8] c"getchar\00"
-@.str.4765 = private unnamed_addr constant [5 x i8] c"sqrt\00"
-@.str.4766 = private unnamed_addr constant [4 x i8] c"pow\00"
-@.str.4767 = private unnamed_addr constant [4 x i8] c"sin\00"
-@.str.4768 = private unnamed_addr constant [4 x i8] c"cos\00"
-@.str.4769 = private unnamed_addr constant [6 x i8] c"floor\00"
-@.str.4770 = private unnamed_addr constant [5 x i8] c"fabs\00"
-@.str.4771 = private unnamed_addr constant [7 x i8] c"malloc\00"
-@.str.4772 = private unnamed_addr constant [5 x i8] c"rand\00"
-@.str.4773 = private unnamed_addr constant [6 x i8] c"srand\00"
-@.str.4774 = private unnamed_addr constant [4 x i8] c"abs\00"
-@.str.4775 = private unnamed_addr constant [5 x i8] c"atoi\00"
-@.str.4776 = private unnamed_addr constant [7 x i8] c"strlen\00"
-@.str.4777 = private unnamed_addr constant [7 x i8] c"strcpy\00"
-@.str.4778 = private unnamed_addr constant [7 x i8] c"memcpy\00"
-@.str.4779 = private unnamed_addr constant [5 x i8] c"time\00"
-@.str.4780 = private unnamed_addr constant [6 x i8] c"sleep\00"
-@.str.4781 = private unnamed_addr constant [7 x i8] c"usleep\00"
-@.str.4782 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4783 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4784 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4785 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4786 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4787 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
-@.str.4788 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4789 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4790 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4791 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4792 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4793 = private unnamed_addr constant [7 x i8] c"math.h\00"
-@.str.4794 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4795 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4796 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4797 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4798 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
-@.str.4799 = private unnamed_addr constant [9 x i8] c"string.h\00"
-@.str.4800 = private unnamed_addr constant [9 x i8] c"string.h\00"
-@.str.4801 = private unnamed_addr constant [9 x i8] c"string.h\00"
-@.str.4802 = private unnamed_addr constant [7 x i8] c"time.h\00"
-@.str.4803 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
-@.str.4804 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
-@.str.4805 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4806 = private unnamed_addr constant [29 x i8] c" (it's from C: add  import \22\00"
-@.str.4807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4808 = private unnamed_addr constant [15 x i8] c"\22  at the top)\00"
-@.str.4809 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4810 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.4721 = private unnamed_addr constant [6 x i8] c"addr(\00"
+@.str.4722 = private unnamed_addr constant [96 x i8] c") gives C a function pointer, so its parameters must be C types (numbers, ptr, C structs), not \00"
+@.str.4723 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4724 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4725 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4726 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4727 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4728 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4729 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.4730 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4731 = private unnamed_addr constant [6 x i8] c"addr(\00"
+@.str.4732 = private unnamed_addr constant [39 x i8] c"): a function given to C can't return \00"
+@.str.4733 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4734 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
+@.str.4735 = private unnamed_addr constant [15 x i8] c") align 16 %c0\00"
+@.str.4736 = private unnamed_addr constant [4 x i8] c"%c0\00"
+@.str.4737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4739 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4740 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
+@.str.4741 = private unnamed_addr constant [9 x i8] c") align \00"
+@.str.4742 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4743 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4744 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.4745 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4746 = private unnamed_addr constant [7 x i8] c"ptr %c\00"
+@.str.4747 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4748 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.4749 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4750 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4751 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4752 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4753 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4754 = private unnamed_addr constant [3 x i8] c"%c\00"
+@.str.4755 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
+@.str.4756 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4757 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4758 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4759 = private unnamed_addr constant [4 x i8] c" %c\00"
+@.str.4760 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.4761 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4762 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4763 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4764 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4765 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4766 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4767 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.4768 = private unnamed_addr constant [9 x i8] c"ret void\00"
+@.str.4769 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4770 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4771 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.4772 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4773 = private unnamed_addr constant [5 x i8] c"ret \00"
+@.str.4774 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4775 = private unnamed_addr constant [16 x i8] c"define internal\00"
+@.str.4776 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4777 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4778 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4779 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4780 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4781 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4782 = private unnamed_addr constant [30 x i8] c"used .enums on a null pointer\00"
+@.str.4783 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4784 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4785 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4786 = private unnamed_addr constant [55 x i8] c"(...) turns a whole number into the enum, but this is \00"
+@.str.4787 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.4788 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4789 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4790 = private unnamed_addr constant [38 x i8] c" is not the number of any variant of \00"
+@.str.4791 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.4792 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4793 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
+@.str.4794 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4795 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4796 = private unnamed_addr constant [7 x i8] c"or i1 \00"
+@.str.4797 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4798 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
+@.str.4799 = private unnamed_addr constant [7 x i8] c", true\00"
+@.str.4800 = private unnamed_addr constant [33 x i8] c"this number is not a variant of \00"
+@.str.4801 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.4802 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.4803 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4804 = private unnamed_addr constant [9 x i8] c" zeroext\00"
+@.str.4805 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4806 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4807 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.4808 = private unnamed_addr constant [9 x i8] c" signext\00"
+@.str.4809 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4810 = private unnamed_addr constant [9 x i8] c" zeroext\00"
 @.str.4811 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4812 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.4813 = private unnamed_addr constant [87 x i8] c"error(...) makes an error to return from a function that can fail: return error(\22...\22)\00"
-@.str.4814 = private unnamed_addr constant [6 x i8] c"print\00"
-@.str.4815 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4816 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4817 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4818 = private unnamed_addr constant [54 x i8] c"this gives back nothing, so there is nothing to print\00"
+@.str.4812 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4813 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4814 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4815 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.4816 = private unnamed_addr constant [4 x i8] c"...\00"
+@.str.4817 = private unnamed_addr constant [18 x i8] c"C function from `\00"
+@.str.4818 = private unnamed_addr constant [8 x i8] c"`\0A```c\0A\00"
 @.str.4819 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.4820 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4821 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.4822 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.4823 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4824 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.4825 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4826 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4827 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4828 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.4829 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4830 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.4831 = private unnamed_addr constant [7 x i8] c"member\00"
-@.str.4832 = private unnamed_addr constant [6 x i8] c"index\00"
-@.str.4833 = private unnamed_addr constant [64 x i8] c"addr(...) needs a variable, a field or an element, like addr(x)\00"
-@.str.4834 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4835 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4836 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4837 = private unnamed_addr constant [35 x i8] c"call void @finch_str_from_int(ptr \00"
-@.str.4838 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4839 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4840 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4841 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_uint(ptr \00"
-@.str.4842 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4843 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.4844 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4845 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_float(ptr \00"
-@.str.4846 = private unnamed_addr constant [10 x i8] c", double \00"
-@.str.4847 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.4848 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4849 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4850 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_char(ptr \00"
-@.str.4851 = private unnamed_addr constant [14 x i8] c", i8 signext \00"
-@.str.4852 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4853 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4854 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.4855 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4856 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_bool(ptr \00"
-@.str.4857 = private unnamed_addr constant [7 x i8] c", i32 \00"
-@.str.4858 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4859 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.4860 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4861 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4862 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
-@.str.4863 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4864 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4865 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4866 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4867 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.4868 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4869 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4870 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4871 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4872 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_bytes(ptr \00"
-@.str.4873 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4874 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4875 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4876 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.4877 = private unnamed_addr constant [6 x i8] c"array\00"
-@.str.4878 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.4879 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.4880 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.4881 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4882 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4883 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4884 = private unnamed_addr constant [12 x i8] c"can't turn \00"
-@.str.4885 = private unnamed_addr constant [10 x i8] c" into str\00"
-@.str.4886 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4887 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4888 = private unnamed_addr constant [10 x i8] c"read_file\00"
-@.str.4889 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.4890 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4891 = private unnamed_addr constant [14 x i8] c"the file name\00"
-@.str.4892 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.4893 = private unnamed_addr constant [33 x i8] c"call i32 @finch_file_exists(ptr \00"
-@.str.4894 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4895 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.4896 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4897 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4898 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4899 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4900 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4901 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4902 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4903 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4904 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4905 = private unnamed_addr constant [35 x i8] c"call i32 @finch_try_read_file(ptr \00"
-@.str.4906 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4907 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.4820 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4821 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4822 = private unnamed_addr constant [6 x i8] c")\0A```\00"
+@.str.4823 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4824 = private unnamed_addr constant [17 x i8] c"the C function '\00"
+@.str.4825 = private unnamed_addr constant [36 x i8] c"' can't be used from Finch yet: it \00"
+@.str.4826 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4827 = private unnamed_addr constant [18 x i8] c"' takes at least \00"
+@.str.4828 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
+@.str.4829 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.4830 = private unnamed_addr constant [9 x i8] c"' takes \00"
+@.str.4831 = private unnamed_addr constant [23 x i8] c" argument(s), but got \00"
+@.str.4832 = private unnamed_addr constant [8 x i8] c"returns\00"
+@.str.4833 = private unnamed_addr constant [6 x i8] c"takes\00"
+@.str.4834 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4835 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
+@.str.4836 = private unnamed_addr constant [11 x i8] c") align 16\00"
+@.str.4837 = private unnamed_addr constant [10 x i8] c"ptr sret(\00"
+@.str.4838 = private unnamed_addr constant [12 x i8] c") align 16 \00"
+@.str.4839 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4840 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.4841 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4842 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4843 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4844 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4845 = private unnamed_addr constant [10 x i8] c"argument \00"
+@.str.4846 = private unnamed_addr constant [5 x i8] c" of \00"
+@.str.4847 = private unnamed_addr constant [7 x i8] c"memory\00"
+@.str.4848 = private unnamed_addr constant [11 x i8] c"ptr byval(\00"
+@.str.4849 = private unnamed_addr constant [9 x i8] c") align \00"
+@.str.4850 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4851 = private unnamed_addr constant [9 x i8] c"indirect\00"
+@.str.4852 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4853 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.4854 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4855 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4856 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4857 = private unnamed_addr constant [32 x i8] c"getelementptr inbounds i8, ptr \00"
+@.str.4858 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.4859 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4860 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4861 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4862 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4863 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.4864 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4865 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4866 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4867 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4868 = private unnamed_addr constant [24 x i8] c"this gives back nothing\00"
+@.str.4869 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.4870 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.4871 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4872 = private unnamed_addr constant [69 x i8] c"structs and arrays can't be passed to the '...' part of a C function\00"
+@.str.4873 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.4874 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4875 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.4876 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4877 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.4878 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.4879 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.4880 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.4881 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4882 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.4883 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4884 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.4885 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4886 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4887 = private unnamed_addr constant [7 x i8] c"direct\00"
+@.str.4888 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4889 = private unnamed_addr constant [6 x i8] c", ...\00"
+@.str.4890 = private unnamed_addr constant [4 x i8] c"...\00"
+@.str.4891 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4892 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4893 = private unnamed_addr constant [3 x i8] c"f:\00"
+@.str.4894 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4895 = private unnamed_addr constant [30 x i8] c"used .cdone on a null pointer\00"
+@.str.4896 = private unnamed_addr constant [3 x i8] c"f:\00"
+@.str.4897 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4898 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.4899 = private unnamed_addr constant [8 x i8] c"declare\00"
+@.str.4900 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4901 = private unnamed_addr constant [3 x i8] c" @\00"
+@.str.4902 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4903 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4904 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4905 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4906 = private unnamed_addr constant [3 x i8] c" (\00"
+@.str.4907 = private unnamed_addr constant [3 x i8] c", \00"
 @.str.4908 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4909 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4910 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4912 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4913 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4915 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4916 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4917 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4918 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4919 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.4920 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4921 = private unnamed_addr constant [32 x i8] c"call void @finch_read_file(ptr \00"
+@.str.4909 = private unnamed_addr constant [5 x i8] c"call\00"
+@.str.4910 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4911 = private unnamed_addr constant [3 x i8] c" @\00"
+@.str.4912 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.4913 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.4914 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4915 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4916 = private unnamed_addr constant [7 x i8] c"expand\00"
+@.str.4917 = private unnamed_addr constant [10 x i8] c"[32 x i8]\00"
+@.str.4918 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.4919 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4920 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.4921 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
 @.str.4922 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4923 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4924 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.4925 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4926 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4927 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.4928 = private unnamed_addr constant [11 x i8] c"write_file\00"
-@.str.4929 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4930 = private unnamed_addr constant [14 x i8] c"the file name\00"
-@.str.4931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4932 = private unnamed_addr constant [9 x i8] c"the text\00"
-@.str.4933 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4934 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4935 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4936 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4937 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4938 = private unnamed_addr constant [36 x i8] c"call i32 @finch_try_write_file(ptr \00"
-@.str.4939 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4940 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4941 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4942 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4943 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4944 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4945 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4946 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4947 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4948 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4949 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4950 = private unnamed_addr constant [32 x i8] c"call i32 @finch_write_file(ptr \00"
-@.str.4951 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4952 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4953 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.4954 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4955 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4956 = private unnamed_addr constant [12 x i8] c"delete_file\00"
-@.str.4957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4958 = private unnamed_addr constant [14 x i8] c"the file name\00"
-@.str.4959 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
-@.str.4960 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4961 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4962 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4963 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.4964 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4965 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4966 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.4967 = private unnamed_addr constant [37 x i8] c"call i32 @finch_try_delete_file(ptr \00"
-@.str.4968 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4969 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4970 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
-@.str.4971 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4972 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4973 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.4974 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.4975 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4976 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.4977 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.4978 = private unnamed_addr constant [33 x i8] c"call i32 @finch_delete_file(ptr \00"
-@.str.4979 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4980 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.4981 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.4982 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.4983 = private unnamed_addr constant [6 x i8] c"shell\00"
-@.str.4984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4985 = private unnamed_addr constant [12 x i8] c"the command\00"
-@.str.4986 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
-@.str.4987 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.4988 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4989 = private unnamed_addr constant [27 x i8] c"call i64 @finch_shell(ptr \00"
-@.str.4990 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.4991 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4992 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.4993 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4994 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.4995 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.4996 = private unnamed_addr constant [14 x i8] c"the exit code\00"
-@.str.4997 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.4998 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.4999 = private unnamed_addr constant [27 x i8] c"call i32 @fflush(ptr null)\00"
-@.str.5000 = private unnamed_addr constant [21 x i8] c"call void @exit(i32 \00"
-@.str.5001 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5002 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5003 = private unnamed_addr constant [6 x i8] c"input\00"
-@.str.5004 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5005 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5006 = private unnamed_addr constant [13 x i8] c"the question\00"
-@.str.5007 = private unnamed_addr constant [28 x i8] c"call void @finch_input(ptr \00"
-@.str.5008 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5009 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5010 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5011 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5012 = private unnamed_addr constant [4 x i8] c"new\00"
-@.str.5013 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5014 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
+@.str.4923 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.4924 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.4925 = private unnamed_addr constant [7 x i8] c"printf\00"
+@.str.4926 = private unnamed_addr constant [7 x i8] c"fflush\00"
+@.str.4927 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.4928 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.4929 = private unnamed_addr constant [6 x i8] c"qsort\00"
+@.str.4930 = private unnamed_addr constant [7 x i8] c"printf\00"
+@.str.4931 = private unnamed_addr constant [5 x i8] c"puts\00"
+@.str.4932 = private unnamed_addr constant [8 x i8] c"putchar\00"
+@.str.4933 = private unnamed_addr constant [6 x i8] c"scanf\00"
+@.str.4934 = private unnamed_addr constant [6 x i8] c"fopen\00"
+@.str.4935 = private unnamed_addr constant [8 x i8] c"getchar\00"
+@.str.4936 = private unnamed_addr constant [5 x i8] c"sqrt\00"
+@.str.4937 = private unnamed_addr constant [4 x i8] c"pow\00"
+@.str.4938 = private unnamed_addr constant [4 x i8] c"sin\00"
+@.str.4939 = private unnamed_addr constant [4 x i8] c"cos\00"
+@.str.4940 = private unnamed_addr constant [6 x i8] c"floor\00"
+@.str.4941 = private unnamed_addr constant [5 x i8] c"fabs\00"
+@.str.4942 = private unnamed_addr constant [7 x i8] c"malloc\00"
+@.str.4943 = private unnamed_addr constant [5 x i8] c"rand\00"
+@.str.4944 = private unnamed_addr constant [6 x i8] c"srand\00"
+@.str.4945 = private unnamed_addr constant [4 x i8] c"abs\00"
+@.str.4946 = private unnamed_addr constant [5 x i8] c"atoi\00"
+@.str.4947 = private unnamed_addr constant [7 x i8] c"strlen\00"
+@.str.4948 = private unnamed_addr constant [7 x i8] c"strcpy\00"
+@.str.4949 = private unnamed_addr constant [7 x i8] c"memcpy\00"
+@.str.4950 = private unnamed_addr constant [5 x i8] c"time\00"
+@.str.4951 = private unnamed_addr constant [6 x i8] c"sleep\00"
+@.str.4952 = private unnamed_addr constant [7 x i8] c"usleep\00"
+@.str.4953 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4954 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4955 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4956 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4957 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4958 = private unnamed_addr constant [8 x i8] c"stdio.h\00"
+@.str.4959 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4960 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4961 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4962 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4963 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4964 = private unnamed_addr constant [7 x i8] c"math.h\00"
+@.str.4965 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4966 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4967 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4968 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4969 = private unnamed_addr constant [9 x i8] c"stdlib.h\00"
+@.str.4970 = private unnamed_addr constant [9 x i8] c"string.h\00"
+@.str.4971 = private unnamed_addr constant [9 x i8] c"string.h\00"
+@.str.4972 = private unnamed_addr constant [9 x i8] c"string.h\00"
+@.str.4973 = private unnamed_addr constant [7 x i8] c"time.h\00"
+@.str.4974 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
+@.str.4975 = private unnamed_addr constant [9 x i8] c"unistd.h\00"
+@.str.4976 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4977 = private unnamed_addr constant [29 x i8] c" (it's from C: add  import \22\00"
+@.str.4978 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4979 = private unnamed_addr constant [15 x i8] c"\22  at the top)\00"
+@.str.4980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4981 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.4982 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4983 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.4984 = private unnamed_addr constant [87 x i8] c"error(...) makes an error to return from a function that can fail: return error(\22...\22)\00"
+@.str.4985 = private unnamed_addr constant [6 x i8] c"print\00"
+@.str.4986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4987 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4988 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4989 = private unnamed_addr constant [54 x i8] c"this gives back nothing, so there is nothing to print\00"
+@.str.4990 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.4991 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4992 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.4993 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.4994 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.4995 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.4996 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4997 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.4998 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.4999 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5000 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5001 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.5002 = private unnamed_addr constant [7 x i8] c"member\00"
+@.str.5003 = private unnamed_addr constant [6 x i8] c"index\00"
+@.str.5004 = private unnamed_addr constant [64 x i8] c"addr(...) needs a variable, a field or an element, like addr(x)\00"
+@.str.5005 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5006 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5007 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5008 = private unnamed_addr constant [35 x i8] c"call void @finch_str_from_int(ptr \00"
+@.str.5009 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5010 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5011 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5012 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_uint(ptr \00"
+@.str.5013 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5014 = private unnamed_addr constant [4 x i8] c"u64\00"
 @.str.5015 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5016 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.5017 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5018 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5019 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5020 = private unnamed_addr constant [120 x i8] c"free(...) is only for pointers from new(...) or C; arrays, str and structs are freed by Finch at the end of their block\00"
-@.str.5021 = private unnamed_addr constant [21 x i8] c"call void @free(ptr \00"
-@.str.5022 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5023 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5024 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5025 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5026 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5027 = private unnamed_addr constant [48 x i8] c"' is not generic, so it takes no type arguments\00"
-@.str.5028 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5029 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5030 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5031 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5032 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5033 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5034 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5035 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5036 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5037 = private unnamed_addr constant [43 x i8] c"' is generic, so say which type it holds: \00"
-@.str.5038 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
+@.str.5016 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_float(ptr \00"
+@.str.5017 = private unnamed_addr constant [10 x i8] c", double \00"
+@.str.5018 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.5019 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5020 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5021 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_char(ptr \00"
+@.str.5022 = private unnamed_addr constant [14 x i8] c", i8 signext \00"
+@.str.5023 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5024 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5025 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.5026 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5027 = private unnamed_addr constant [36 x i8] c"call void @finch_str_from_bool(ptr \00"
+@.str.5028 = private unnamed_addr constant [7 x i8] c", i32 \00"
+@.str.5029 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5030 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5031 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5032 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5033 = private unnamed_addr constant [33 x i8] c"call void @finch_str_from_c(ptr \00"
+@.str.5034 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5035 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5036 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.5037 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5038 = private unnamed_addr constant [3 x i8] c"u8\00"
 @.str.5039 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5040 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5041 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5042 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5043 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5044 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.5045 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5046 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5047 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.5048 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5049 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5050 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5051 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5052 = private unnamed_addr constant [17 x i8] c"```finch\0Astruct \00"
-@.str.5053 = private unnamed_addr constant [4 x i8] c" { \00"
-@.str.5054 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5055 = private unnamed_addr constant [7 x i8] c" }\0A```\00"
-@.str.5056 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5057 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.5058 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5059 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5060 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5040 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5041 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5042 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5043 = private unnamed_addr constant [37 x i8] c"call void @finch_str_from_bytes(ptr \00"
+@.str.5044 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5045 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5046 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5047 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5048 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.5049 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.5050 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5051 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5052 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5053 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5054 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5055 = private unnamed_addr constant [12 x i8] c"can't turn \00"
+@.str.5056 = private unnamed_addr constant [10 x i8] c" into str\00"
+@.str.5057 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5058 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5059 = private unnamed_addr constant [10 x i8] c"read_file\00"
+@.str.5060 = private unnamed_addr constant [12 x i8] c"file_exists\00"
 @.str.5061 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5062 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.5063 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5064 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
-@.str.5065 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5066 = private unnamed_addr constant [2 x i8] c"C\00"
-@.str.5067 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5068 = private unnamed_addr constant [32 x i8] c"' is a variable, not a function\00"
-@.str.5069 = private unnamed_addr constant [29 x i8] c"there is no function named '\00"
-@.str.5070 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5071 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5072 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5073 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5074 = private unnamed_addr constant [5 x i8] c"main\00"
-@.str.5075 = private unnamed_addr constant [53 x i8] c"main can't be called, it is where the program starts\00"
-@.str.5076 = private unnamed_addr constant [5 x i8] c"ptr \00"
-@.str.5077 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5078 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5079 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5080 = private unnamed_addr constant [11 x i8] c"argument '\00"
-@.str.5081 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5082 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5083 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5084 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5085 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5086 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5087 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
-@.str.5088 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5089 = private unnamed_addr constant [40 x i8] c"' can fail, so say what happens then:  \00"
-@.str.5090 = private unnamed_addr constant [20 x i8] c"(...) or <value>,  \00"
-@.str.5091 = private unnamed_addr constant [28 x i8] c"(...) or { ... },  or  try \00"
-@.str.5092 = private unnamed_addr constant [6 x i8] c"(...)\00"
-@.str.5093 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.5094 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5095 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.5096 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5097 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5098 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.5099 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5100 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5101 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
-@.str.5102 = private unnamed_addr constant [7 x i8] c", true\00"
-@.str.5103 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5104 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
-@.str.5105 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.5106 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5107 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.5108 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5109 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
-@.str.5110 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5111 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
-@.str.5112 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5113 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5114 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5115 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5116 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5062 = private unnamed_addr constant [14 x i8] c"the file name\00"
+@.str.5063 = private unnamed_addr constant [12 x i8] c"file_exists\00"
+@.str.5064 = private unnamed_addr constant [33 x i8] c"call i32 @finch_file_exists(ptr \00"
+@.str.5065 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5066 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5067 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5068 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5069 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5070 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5071 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5072 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5073 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5074 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5075 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5076 = private unnamed_addr constant [35 x i8] c"call i32 @finch_try_read_file(ptr \00"
+@.str.5077 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5078 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5079 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5080 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.5081 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5082 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5083 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5084 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5085 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5086 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5087 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5088 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5089 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5090 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.5091 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5092 = private unnamed_addr constant [32 x i8] c"call void @finch_read_file(ptr \00"
+@.str.5093 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5094 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5095 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5096 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5097 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5098 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5099 = private unnamed_addr constant [11 x i8] c"write_file\00"
+@.str.5100 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5101 = private unnamed_addr constant [14 x i8] c"the file name\00"
+@.str.5102 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5103 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5104 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5105 = private unnamed_addr constant [9 x i8] c"the text\00"
+@.str.5106 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5107 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5108 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5109 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5110 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5111 = private unnamed_addr constant [36 x i8] c"call i32 @finch_try_write_file(ptr \00"
+@.str.5112 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5113 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5114 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5115 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.5116 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.5117 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5118 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5119 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5118 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5119 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
 @.str.5120 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5121 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5122 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5123 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5124 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5125 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5126 = private unnamed_addr constant [70 x i8] c"give either all fields by name (x: 1, y: 2) or none (1, 2), not a mix\00"
-@.str.5127 = private unnamed_addr constant [6 x i8] c" has \00"
-@.str.5128 = private unnamed_addr constant [18 x i8] c" fields, but got \00"
-@.str.5129 = private unnamed_addr constant [24 x i8] c" values (or name them: \00"
-@.str.5130 = private unnamed_addr constant [16 x i8] c"(field: value))\00"
-@.str.5131 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5132 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5133 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5134 = private unnamed_addr constant [16 x i8] c" has no field '\00"
+@.str.5121 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5122 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5123 = private unnamed_addr constant [32 x i8] c"call i32 @finch_write_file(ptr \00"
+@.str.5124 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5125 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5126 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5127 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5128 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5129 = private unnamed_addr constant [12 x i8] c"delete_file\00"
+@.str.5130 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5131 = private unnamed_addr constant [14 x i8] c"the file name\00"
+@.str.5132 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
+@.str.5133 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5134 = private unnamed_addr constant [2 x i8] c")\00"
 @.str.5135 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5136 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5137 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5138 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5139 = private unnamed_addr constant [12 x i8] c"the field '\00"
-@.str.5140 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5141 = private unnamed_addr constant [17 x i8] c"' is given twice\00"
-@.str.5142 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5143 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
-@.str.5144 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5136 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5137 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5138 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5139 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5140 = private unnamed_addr constant [37 x i8] c"call i32 @finch_try_delete_file(ptr \00"
+@.str.5141 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5142 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5143 = private unnamed_addr constant [13 x i8] c"icmp eq i32 \00"
+@.str.5144 = private unnamed_addr constant [4 x i8] c", 0\00"
 @.str.5145 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5146 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5147 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5146 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5147 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
 @.str.5148 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5149 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5150 = private unnamed_addr constant [12 x i8] c"the field '\00"
-@.str.5151 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5152 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5153 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5154 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5155 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.5156 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5157 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5158 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5159 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.5160 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5161 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.5162 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5163 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
-@.str.5164 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5165 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.5166 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5167 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.5168 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5169 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5170 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5149 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5150 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5151 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5152 = private unnamed_addr constant [33 x i8] c"call i32 @finch_delete_file(ptr \00"
+@.str.5153 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5154 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5155 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5156 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5157 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5158 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.5159 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5160 = private unnamed_addr constant [12 x i8] c"the command\00"
+@.str.5161 = private unnamed_addr constant [31 x i8] c"call void @finch_str_copy(ptr \00"
+@.str.5162 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5163 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5164 = private unnamed_addr constant [27 x i8] c"call i64 @finch_shell(ptr \00"
+@.str.5165 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5166 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5167 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5168 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.5169 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5170 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.5171 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5172 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5173 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5174 = private unnamed_addr constant [17 x i8] c"the default of '\00"
-@.str.5175 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5176 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5177 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5178 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
-@.str.5179 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5180 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.5172 = private unnamed_addr constant [14 x i8] c"the exit code\00"
+@.str.5173 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.5174 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5175 = private unnamed_addr constant [27 x i8] c"call i32 @fflush(ptr null)\00"
+@.str.5176 = private unnamed_addr constant [21 x i8] c"call void @exit(i32 \00"
+@.str.5177 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5178 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5179 = private unnamed_addr constant [6 x i8] c"input\00"
+@.str.5180 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.5181 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5182 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
-@.str.5183 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5184 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
-@.str.5185 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
-@.str.5186 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5187 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5188 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5189 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5190 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5191 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5192 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.5193 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5194 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5195 = private unnamed_addr constant [4 x i8] c"var\00"
-@.str.5196 = private unnamed_addr constant [39 x i8] c"there is no variable or module named '\00"
-@.str.5197 = private unnamed_addr constant [33 x i8] c"' (to use a module, add  import \00"
-@.str.5198 = private unnamed_addr constant [14 x i8] c"  at the top)\00"
-@.str.5199 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5200 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5201 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5202 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5203 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5204 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5205 = private unnamed_addr constant [13 x i8] c"the module '\00"
-@.str.5206 = private unnamed_addr constant [36 x i8] c"' has no function or struct named '\00"
-@.str.5207 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.5208 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.5209 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.5210 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.5211 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5212 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5213 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.5214 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.5215 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.5216 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.5182 = private unnamed_addr constant [13 x i8] c"the question\00"
+@.str.5183 = private unnamed_addr constant [28 x i8] c"call void @finch_input(ptr \00"
+@.str.5184 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5185 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5186 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5187 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5188 = private unnamed_addr constant [4 x i8] c"new\00"
+@.str.5189 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5190 = private unnamed_addr constant [27 x i8] c"call ptr @finch_alloc(i64 \00"
+@.str.5191 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5192 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.5193 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5194 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5195 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5196 = private unnamed_addr constant [120 x i8] c"free(...) is only for pointers from new(...) or C; arrays, str and structs are freed by Finch at the end of their block\00"
+@.str.5197 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5198 = private unnamed_addr constant [10 x i8] c"free.drop\00"
+@.str.5199 = private unnamed_addr constant [10 x i8] c"free.done\00"
+@.str.5200 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.5201 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.5202 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5203 = private unnamed_addr constant [21 x i8] c"call void @free(ptr \00"
+@.str.5204 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5205 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5206 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5207 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5208 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5209 = private unnamed_addr constant [48 x i8] c"' is not generic, so it takes no type arguments\00"
+@.str.5210 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5211 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5212 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5213 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5214 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5215 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5216 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
 @.str.5217 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5218 = private unnamed_addr constant [64 x i8] c"() would change a temporary array; store it in a variable first\00"
-@.str.5219 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5220 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5221 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.5222 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5223 = private unnamed_addr constant [62 x i8] c"() would change a temporary map; store it in a variable first\00"
-@.str.5224 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5225 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5226 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5227 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5228 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5229 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
-@.str.5230 = private unnamed_addr constant [7 x i8] c", null\00"
-@.str.5231 = private unnamed_addr constant [9 x i8] c"called .\00"
-@.str.5232 = private unnamed_addr constant [21 x i8] c"() on a null pointer\00"
+@.str.5218 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5219 = private unnamed_addr constant [43 x i8] c"' is generic, so say which type it holds: \00"
+@.str.5220 = private unnamed_addr constant [11 x i8] c"[int](...)\00"
+@.str.5221 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5222 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5223 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5224 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5225 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5226 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5227 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5228 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5229 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5230 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5231 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5232 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5233 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5234 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5235 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5236 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5237 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5238 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5239 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5240 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5234 = private unnamed_addr constant [17 x i8] c"```finch\0Astruct \00"
+@.str.5235 = private unnamed_addr constant [4 x i8] c" { \00"
+@.str.5236 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5237 = private unnamed_addr constant [7 x i8] c" }\0A```\00"
+@.str.5238 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5239 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.5240 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5241 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5242 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5243 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
-@.str.5244 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5242 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5243 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5244 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.5245 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5246 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5246 = private unnamed_addr constant [27 x i8] c"used .ci on a null pointer\00"
 @.str.5247 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5248 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5249 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5250 = private unnamed_addr constant [5 x i8] c"the \00"
-@.str.5251 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5252 = private unnamed_addr constant [35 x i8] c" has no methods; add one with  fn \00"
-@.str.5253 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5254 = private unnamed_addr constant [14 x i8] c"(...) { ... }\00"
-@.str.5255 = private unnamed_addr constant [5 x i8] c"the \00"
-@.str.5256 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5257 = private unnamed_addr constant [17 x i8] c" has no method '\00"
-@.str.5258 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
-@.str.5259 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5260 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5248 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.5249 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5250 = private unnamed_addr constant [32 x i8] c"' is a variable, not a function\00"
+@.str.5251 = private unnamed_addr constant [29 x i8] c"there is no function named '\00"
+@.str.5252 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5253 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5254 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5255 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5256 = private unnamed_addr constant [5 x i8] c"main\00"
+@.str.5257 = private unnamed_addr constant [53 x i8] c"main can't be called, it is where the program starts\00"
+@.str.5258 = private unnamed_addr constant [5 x i8] c"ptr \00"
+@.str.5259 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5260 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
 @.str.5261 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5262 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5262 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5263 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5264 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5265 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5266 = private unnamed_addr constant [29 x i8] c"() would change a temporary \00"
-@.str.5267 = private unnamed_addr constant [31 x i8] c"; store it in a variable first\00"
-@.str.5268 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
-@.str.5269 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
-@.str.5270 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.5271 = private unnamed_addr constant [16 x i8] c" has no methods\00"
-@.str.5272 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5273 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
-@.str.5274 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
-@.str.5275 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.5276 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5277 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5278 = private unnamed_addr constant [12 x i8] c"the element\00"
-@.str.5279 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5280 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.5281 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5282 = private unnamed_addr constant [34 x i8] c"call void @finch_arr_reserve(ptr \00"
-@.str.5283 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5284 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5285 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5286 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5287 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5288 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5289 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5290 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5291 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5292 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.5293 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5294 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
-@.str.5295 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5296 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.5297 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5298 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5299 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5300 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5301 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5302 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5303 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5304 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5305 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5306 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.5307 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5308 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5309 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5310 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5311 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5312 = private unnamed_addr constant [22 x i8] c"the value to look for\00"
-@.str.5313 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5314 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5315 = private unnamed_addr constant [3 x i8] c"-1\00"
-@.str.5316 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5317 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5318 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5319 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5320 = private unnamed_addr constant [2 x i8] c"0\00"
-@.str.5321 = private unnamed_addr constant [10 x i8] c"find.cond\00"
-@.str.5322 = private unnamed_addr constant [10 x i8] c"find.body\00"
-@.str.5323 = private unnamed_addr constant [9 x i8] c"find.hit\00"
-@.str.5324 = private unnamed_addr constant [10 x i8] c"find.next\00"
-@.str.5325 = private unnamed_addr constant [9 x i8] c"find.end\00"
-@.str.5326 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5327 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.5328 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5329 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5330 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5331 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5332 = private unnamed_addr constant [3 x i8] c"==\00"
-@.str.5333 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5334 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5335 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.5336 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5337 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5338 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5339 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5340 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
-@.str.5341 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5342 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5343 = private unnamed_addr constant [5 x i8] c"join\00"
-@.str.5344 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5345 = private unnamed_addr constant [32 x i8] c"join() works on an array of str\00"
+@.str.5264 = private unnamed_addr constant [11 x i8] c"argument '\00"
+@.str.5265 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5266 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5267 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5268 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5269 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5270 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5271 = private unnamed_addr constant [32 x i8] c"used .ftarget on a null pointer\00"
+@.str.5272 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5273 = private unnamed_addr constant [40 x i8] c"' can fail, so say what happens then:  \00"
+@.str.5274 = private unnamed_addr constant [20 x i8] c"(...) or <value>,  \00"
+@.str.5275 = private unnamed_addr constant [28 x i8] c"(...) or { ... },  or  try \00"
+@.str.5276 = private unnamed_addr constant [6 x i8] c"(...)\00"
+@.str.5277 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.5278 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5279 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.5280 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5281 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5282 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.5283 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5284 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5285 = private unnamed_addr constant [8 x i8] c"xor i1 \00"
+@.str.5286 = private unnamed_addr constant [7 x i8] c", true\00"
+@.str.5287 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5288 = private unnamed_addr constant [32 x i8] c"used .ffailed on a null pointer\00"
+@.str.5289 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.5290 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5291 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.5292 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5293 = private unnamed_addr constant [29 x i8] c"used .fmsg on a null pointer\00"
+@.str.5294 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5295 = private unnamed_addr constant [14 x i8] c"extractvalue \00"
+@.str.5296 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5297 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5298 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5299 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5300 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5301 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5302 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5303 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5304 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5305 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5306 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5307 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5308 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5309 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5310 = private unnamed_addr constant [70 x i8] c"give either all fields by name (x: 1, y: 2) or none (1, 2), not a mix\00"
+@.str.5311 = private unnamed_addr constant [6 x i8] c" has \00"
+@.str.5312 = private unnamed_addr constant [18 x i8] c" fields, but got \00"
+@.str.5313 = private unnamed_addr constant [24 x i8] c" values (or name them: \00"
+@.str.5314 = private unnamed_addr constant [16 x i8] c"(field: value))\00"
+@.str.5315 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5316 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5317 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5318 = private unnamed_addr constant [16 x i8] c" has no field '\00"
+@.str.5319 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5320 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5321 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5322 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5323 = private unnamed_addr constant [12 x i8] c"the field '\00"
+@.str.5324 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5325 = private unnamed_addr constant [17 x i8] c"' is given twice\00"
+@.str.5326 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5327 = private unnamed_addr constant [16 x i8] c"zeroinitializer\00"
+@.str.5328 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5329 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5330 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5331 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5332 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5333 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5334 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5335 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5336 = private unnamed_addr constant [12 x i8] c"the field '\00"
+@.str.5337 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5338 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5339 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5340 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5341 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.5342 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5343 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5344 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5345 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
 @.str.5346 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5347 = private unnamed_addr constant [14 x i8] c"the separator\00"
-@.str.5348 = private unnamed_addr constant [31 x i8] c"call void @finch_str_join(ptr \00"
-@.str.5349 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5350 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5351 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5352 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5353 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5354 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.5355 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5356 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5347 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.5348 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5349 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.5350 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5351 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.5352 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5353 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.5354 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5355 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5356 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5357 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5358 = private unnamed_addr constant [13 x i8] c"the position\00"
+@.str.5358 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5359 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5360 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5361 = private unnamed_addr constant [12 x i8] c"the element\00"
-@.str.5362 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5363 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.5364 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5365 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_insert_gap(ptr \00"
-@.str.5366 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5367 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5368 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5369 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5370 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5371 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5372 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5373 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5374 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5375 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5376 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.5360 = private unnamed_addr constant [17 x i8] c"the default of '\00"
+@.str.5361 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5362 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5363 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5364 = private unnamed_addr constant [31 x i8] c"used .module on a null pointer\00"
+@.str.5365 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5366 = private unnamed_addr constant [31 x i8] c"used .tnames on a null pointer\00"
+@.str.5367 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5368 = private unnamed_addr constant [30 x i8] c"used .targs on a null pointer\00"
+@.str.5369 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5370 = private unnamed_addr constant [31 x i8] c"used .scopes on a null pointer\00"
+@.str.5371 = private unnamed_addr constant [13 x i8] c"insertvalue \00"
+@.str.5372 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5373 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5374 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5375 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5376 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
 @.str.5377 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5378 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5379 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5380 = private unnamed_addr constant [13 x i8] c"the position\00"
-@.str.5381 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5382 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5383 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5384 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5385 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5386 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_remove_gap(ptr \00"
-@.str.5387 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5388 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5389 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5390 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.5391 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5392 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5393 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5394 = private unnamed_addr constant [15 x i8] c"the new length\00"
-@.str.5395 = private unnamed_addr constant [33 x i8] c"call void @finch_arr_resize(ptr \00"
-@.str.5396 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5397 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5398 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5399 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5400 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.5401 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5402 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5403 = private unnamed_addr constant [10 x i8] c"sdiv i64 \00"
-@.str.5404 = private unnamed_addr constant [4 x i8] c", 2\00"
-@.str.5405 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5406 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5407 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5408 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5409 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5410 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5411 = private unnamed_addr constant [4 x i8] c", 1\00"
-@.str.5412 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5413 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5414 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5415 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5416 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5417 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5418 = private unnamed_addr constant [6 x i8] c"slice\00"
-@.str.5419 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5420 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5378 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5379 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5380 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5381 = private unnamed_addr constant [4 x i8] c"var\00"
+@.str.5382 = private unnamed_addr constant [39 x i8] c"there is no variable or module named '\00"
+@.str.5383 = private unnamed_addr constant [33 x i8] c"' (to use a module, add  import \00"
+@.str.5384 = private unnamed_addr constant [14 x i8] c"  at the top)\00"
+@.str.5385 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5386 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5387 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5388 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5389 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5390 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5391 = private unnamed_addr constant [13 x i8] c"the module '\00"
+@.str.5392 = private unnamed_addr constant [36 x i8] c"' has no function or struct named '\00"
+@.str.5393 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.5394 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.5395 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.5396 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.5397 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.5398 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.5399 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.5400 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.5401 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.5402 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5403 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5404 = private unnamed_addr constant [6 x i8] c"array\00"
+@.str.5405 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5406 = private unnamed_addr constant [64 x i8] c"() would change a temporary array; store it in a variable first\00"
+@.str.5407 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5408 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5409 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.5410 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5411 = private unnamed_addr constant [62 x i8] c"() would change a temporary map; store it in a variable first\00"
+@.str.5412 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5413 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5414 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5415 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5416 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5417 = private unnamed_addr constant [13 x i8] c"icmp eq ptr \00"
+@.str.5418 = private unnamed_addr constant [7 x i8] c", null\00"
+@.str.5419 = private unnamed_addr constant [9 x i8] c"called .\00"
+@.str.5420 = private unnamed_addr constant [21 x i8] c"() on a null pointer\00"
 @.str.5421 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5422 = private unnamed_addr constant [10 x i8] c"the start\00"
-@.str.5423 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5424 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5425 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5426 = private unnamed_addr constant [8 x i8] c"the end\00"
-@.str.5427 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5428 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
-@.str.5429 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5430 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
-@.str.5431 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5432 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
-@.str.5433 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5434 = private unnamed_addr constant [7 x i8] c"or i1 \00"
-@.str.5435 = private unnamed_addr constant [7 x i8] c"or i1 \00"
-@.str.5436 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5437 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5438 = private unnamed_addr constant [34 x i8] c"slice(start, end) is out of range\00"
-@.str.5439 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
-@.str.5440 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5441 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5442 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
-@.str.5443 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5444 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5445 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5446 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5447 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5448 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5449 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5450 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5422 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5423 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5424 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5425 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5426 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5427 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5428 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5429 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5430 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5431 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5432 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5433 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5434 = private unnamed_addr constant [32 x i8] c"used .structs on a null pointer\00"
+@.str.5435 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5436 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5437 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5438 = private unnamed_addr constant [5 x i8] c"the \00"
+@.str.5439 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5440 = private unnamed_addr constant [35 x i8] c" has no methods; add one with  fn \00"
+@.str.5441 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5442 = private unnamed_addr constant [14 x i8] c"(...) { ... }\00"
+@.str.5443 = private unnamed_addr constant [5 x i8] c"the \00"
+@.str.5444 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5445 = private unnamed_addr constant [17 x i8] c" has no method '\00"
+@.str.5446 = private unnamed_addr constant [12 x i8] c"' (it has: \00"
+@.str.5447 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5448 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5449 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5450 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
 @.str.5451 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5452 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
-@.str.5453 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5454 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5455 = private unnamed_addr constant [9 x i8] c"add i64 \00"
-@.str.5456 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5457 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5458 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5459 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.5460 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.5461 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5462 = private unnamed_addr constant [48 x i8] c"sort() works on arrays of numbers, chars or str\00"
-@.str.5463 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5464 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5465 = private unnamed_addr constant [22 x i8] c"call void @qsort(ptr \00"
-@.str.5466 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5467 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5468 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5469 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5470 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.5471 = private unnamed_addr constant [25 x i8] c"an array has no method '\00"
-@.str.5472 = private unnamed_addr constant [97 x i8] c"' (it has: push, pop, insert, remove, clear, resize, find, contains, join, slice, reverse, sort)\00"
-@.str.5473 = private unnamed_addr constant [12 x i8] c"@finch.cmp.\00"
-@.str.5474 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5475 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.5476 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5477 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
-@.str.5478 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5479 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5480 = private unnamed_addr constant [40 x i8] c"call i64 @finch_str_cmp(ptr %x, ptr %y)\00"
-@.str.5481 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
-@.str.5482 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.5483 = private unnamed_addr constant [3 x i8] c"%x\00"
-@.str.5484 = private unnamed_addr constant [3 x i8] c"%y\00"
-@.str.5485 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5486 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5487 = private unnamed_addr constant [10 x i8] c"fcmp olt \00"
-@.str.5488 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5489 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5490 = private unnamed_addr constant [10 x i8] c"fcmp ogt \00"
-@.str.5491 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5492 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5493 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.5494 = private unnamed_addr constant [2 x i8] c"<\00"
-@.str.5495 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5496 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5497 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5498 = private unnamed_addr constant [6 x i8] c"icmp \00"
-@.str.5499 = private unnamed_addr constant [2 x i8] c">\00"
-@.str.5500 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5501 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5502 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5503 = private unnamed_addr constant [9 x i8] c"sub i32 \00"
-@.str.5504 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.5505 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.5506 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.5507 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
-@.str.5508 = private unnamed_addr constant [8 x i8] c" to i32\00"
-@.str.5509 = private unnamed_addr constant [9 x i8] c"ret i32 \00"
-@.str.5510 = private unnamed_addr constant [21 x i8] c"define internal i32 \00"
-@.str.5511 = private unnamed_addr constant [17 x i8] c"(ptr %x, ptr %y)\00"
-@.str.5512 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5513 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
-@.str.5514 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5515 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.5516 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5517 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5518 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5519 = private unnamed_addr constant [10 x i8] c"the start\00"
-@.str.5520 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5521 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5522 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5523 = private unnamed_addr constant [8 x i8] c"the end\00"
-@.str.5524 = private unnamed_addr constant [30 x i8] c"call void @finch_str_sub(ptr \00"
-@.str.5525 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5526 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5527 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5528 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5529 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5530 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5531 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5532 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5533 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5534 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5535 = private unnamed_addr constant [12 x i8] c"starts_with\00"
-@.str.5536 = private unnamed_addr constant [10 x i8] c"ends_with\00"
-@.str.5537 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5538 = private unnamed_addr constant [21 x i8] c"the text to look for\00"
-@.str.5539 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5540 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
-@.str.5541 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5542 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5543 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5544 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5545 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
-@.str.5546 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5547 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5548 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
-@.str.5549 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5550 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5551 = private unnamed_addr constant [18 x i8] c"@finch_str_starts\00"
-@.str.5552 = private unnamed_addr constant [10 x i8] c"ends_with\00"
-@.str.5553 = private unnamed_addr constant [16 x i8] c"@finch_str_ends\00"
-@.str.5554 = private unnamed_addr constant [10 x i8] c"call i32 \00"
-@.str.5555 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.5556 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5557 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5558 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
-@.str.5559 = private unnamed_addr constant [4 x i8] c", 0\00"
-@.str.5560 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5561 = private unnamed_addr constant [5 x i8] c"trim\00"
-@.str.5562 = private unnamed_addr constant [6 x i8] c"upper\00"
-@.str.5563 = private unnamed_addr constant [6 x i8] c"lower\00"
-@.str.5564 = private unnamed_addr constant [22 x i8] c"call void @finch_str_\00"
-@.str.5565 = private unnamed_addr constant [6 x i8] c"(ptr \00"
-@.str.5566 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5567 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5568 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5569 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5570 = private unnamed_addr constant [8 x i8] c"replace\00"
-@.str.5571 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5572 = private unnamed_addr constant [20 x i8] c"the text to replace\00"
-@.str.5573 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5574 = private unnamed_addr constant [13 x i8] c"the new text\00"
-@.str.5575 = private unnamed_addr constant [34 x i8] c"call void @finch_str_replace(ptr \00"
-@.str.5576 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5577 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5578 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5579 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5580 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5581 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5582 = private unnamed_addr constant [6 x i8] c"split\00"
-@.str.5583 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5584 = private unnamed_addr constant [14 x i8] c"the separator\00"
-@.str.5585 = private unnamed_addr constant [32 x i8] c"call void @finch_str_split(ptr \00"
-@.str.5586 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5587 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5588 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5589 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5590 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5591 = private unnamed_addr constant [7 x i8] c"repeat\00"
-@.str.5592 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5593 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5594 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5595 = private unnamed_addr constant [10 x i8] c"the count\00"
-@.str.5596 = private unnamed_addr constant [33 x i8] c"call void @finch_str_repeat(ptr \00"
-@.str.5597 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5598 = private unnamed_addr constant [7 x i8] c", i64 \00"
-@.str.5599 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5600 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5601 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5602 = private unnamed_addr constant [6 x i8] c"bytes\00"
-@.str.5603 = private unnamed_addr constant [37 x i8] c"call void @finch_bytes_from_str(ptr \00"
+@.str.5452 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.5453 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.5454 = private unnamed_addr constant [29 x i8] c"() would change a temporary \00"
+@.str.5455 = private unnamed_addr constant [31 x i8] c"; store it in a variable first\00"
+@.str.5456 = private unnamed_addr constant [20 x i8] c"the loop variable '\00"
+@.str.5457 = private unnamed_addr constant [19 x i8] c"' can't be changed\00"
+@.str.5458 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.5459 = private unnamed_addr constant [16 x i8] c" has no methods\00"
+@.str.5460 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5461 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
+@.str.5462 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.5463 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.5464 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5465 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5466 = private unnamed_addr constant [12 x i8] c"the element\00"
+@.str.5467 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5468 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5469 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5470 = private unnamed_addr constant [34 x i8] c"call void @finch_arr_reserve(ptr \00"
+@.str.5471 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5472 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5473 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5474 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5475 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5476 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5477 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5478 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5479 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5480 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.5481 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5482 = private unnamed_addr constant [13 x i8] c"icmp eq i64 \00"
+@.str.5483 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5484 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.5485 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5486 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5487 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5488 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5489 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5490 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5491 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5492 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.5493 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.5494 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5495 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.5496 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5497 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5498 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.5499 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5500 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5501 = private unnamed_addr constant [22 x i8] c"the value to look for\00"
+@.str.5502 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5503 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5504 = private unnamed_addr constant [3 x i8] c"-1\00"
+@.str.5505 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5506 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5507 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5508 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5509 = private unnamed_addr constant [2 x i8] c"0\00"
+@.str.5510 = private unnamed_addr constant [10 x i8] c"find.cond\00"
+@.str.5511 = private unnamed_addr constant [10 x i8] c"find.body\00"
+@.str.5512 = private unnamed_addr constant [9 x i8] c"find.hit\00"
+@.str.5513 = private unnamed_addr constant [10 x i8] c"find.next\00"
+@.str.5514 = private unnamed_addr constant [9 x i8] c"find.end\00"
+@.str.5515 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5516 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5517 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5518 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5519 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5520 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5521 = private unnamed_addr constant [3 x i8] c"==\00"
+@.str.5522 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5523 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5524 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5525 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5526 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5527 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5528 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5529 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
+@.str.5530 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5531 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5532 = private unnamed_addr constant [5 x i8] c"join\00"
+@.str.5533 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5534 = private unnamed_addr constant [32 x i8] c"join() works on an array of str\00"
+@.str.5535 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5536 = private unnamed_addr constant [14 x i8] c"the separator\00"
+@.str.5537 = private unnamed_addr constant [31 x i8] c"call void @finch_str_join(ptr \00"
+@.str.5538 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5539 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5540 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5541 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5542 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5543 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.5544 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5545 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5546 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5547 = private unnamed_addr constant [13 x i8] c"the position\00"
+@.str.5548 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5549 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5550 = private unnamed_addr constant [12 x i8] c"the element\00"
+@.str.5551 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5552 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
+@.str.5553 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5554 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_insert_gap(ptr \00"
+@.str.5555 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5556 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5557 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5558 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5559 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5560 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5561 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5562 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5563 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5564 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5565 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.5566 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5567 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5568 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5569 = private unnamed_addr constant [13 x i8] c"the position\00"
+@.str.5570 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5571 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5572 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5573 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5574 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5575 = private unnamed_addr constant [37 x i8] c"call void @finch_arr_remove_gap(ptr \00"
+@.str.5576 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5577 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5578 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5579 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.5580 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5581 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5582 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5583 = private unnamed_addr constant [15 x i8] c"the new length\00"
+@.str.5584 = private unnamed_addr constant [33 x i8] c"call void @finch_arr_resize(ptr \00"
+@.str.5585 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5586 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5587 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5588 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5589 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.5590 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5591 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5592 = private unnamed_addr constant [10 x i8] c"sdiv i64 \00"
+@.str.5593 = private unnamed_addr constant [4 x i8] c", 2\00"
+@.str.5594 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5595 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5596 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5597 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5598 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5599 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5600 = private unnamed_addr constant [4 x i8] c", 1\00"
+@.str.5601 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5602 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5603 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
 @.str.5604 = private unnamed_addr constant [7 x i8] c", ptr \00"
-@.str.5605 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5606 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
-@.str.5607 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.5608 = private unnamed_addr constant [22 x i8] c"a str has no method '\00"
-@.str.5609 = private unnamed_addr constant [107 x i8] c"' (it has: sub, find, contains, starts_with, ends_with, split, trim, upper, lower, replace, repeat, bytes)\00"
-@.str.5610 = private unnamed_addr constant [55 x i8] c"declare void @finch_panic(ptr, i64, ptr) noreturn cold\00"
-@.str.5611 = private unnamed_addr constant [66 x i8] c"declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold\00"
-@.str.5612 = private unnamed_addr constant [30 x i8] c"declare ptr @finch_alloc(i64)\00"
-@.str.5613 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_copy(ptr, ptr)\00"
-@.str.5614 = private unnamed_addr constant [33 x i8] c"declare void @finch_str_own(ptr)\00"
-@.str.5615 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_concat(ptr, ptr, ptr)\00"
-@.str.5616 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_str_eq(ptr, ptr)\00"
-@.str.5617 = private unnamed_addr constant [37 x i8] c"declare i64 @finch_str_cmp(ptr, ptr)\00"
-@.str.5618 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_add(ptr, ptr, i64)\00"
-@.str.5619 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_int(ptr, i64)\00"
-@.str.5620 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_uint(ptr, i64)\00"
-@.str.5621 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_float(ptr, double)\00"
-@.str.5622 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_bool(ptr, i32)\00"
-@.str.5623 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_ptr(ptr, ptr)\00"
-@.str.5624 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_char(ptr, i8, i32)\00"
-@.str.5625 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_str(ptr, ptr, i32)\00"
-@.str.5626 = private unnamed_addr constant [35 x i8] c"declare void @finch_buf_print(ptr)\00"
-@.str.5627 = private unnamed_addr constant [43 x i8] c"declare void @finch_str_from_int(ptr, i64)\00"
-@.str.5628 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_uint(ptr, i64)\00"
-@.str.5629 = private unnamed_addr constant [48 x i8] c"declare void @finch_str_from_float(ptr, double)\00"
-@.str.5630 = private unnamed_addr constant [51 x i8] c"declare void @finch_str_from_char(ptr, i8 signext)\00"
-@.str.5631 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_bool(ptr, i32)\00"
-@.str.5632 = private unnamed_addr constant [45 x i8] c"declare i64 @finch_str_to_int(ptr, ptr, i64)\00"
-@.str.5633 = private unnamed_addr constant [50 x i8] c"declare double @finch_str_to_float(ptr, ptr, i64)\00"
-@.str.5634 = private unnamed_addr constant [58 x i8] c"declare void @finch_str_sub(ptr, ptr, i64, i64, ptr, i64)\00"
-@.str.5635 = private unnamed_addr constant [38 x i8] c"declare i64 @finch_str_find(ptr, ptr)\00"
-@.str.5636 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_str_starts(ptr, ptr)\00"
-@.str.5637 = private unnamed_addr constant [38 x i8] c"declare i32 @finch_str_ends(ptr, ptr)\00"
-@.str.5638 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_trim(ptr, ptr)\00"
-@.str.5639 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_upper(ptr, ptr)\00"
-@.str.5640 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_lower(ptr, ptr)\00"
-@.str.5641 = private unnamed_addr constant [52 x i8] c"declare void @finch_str_replace(ptr, ptr, ptr, ptr)\00"
-@.str.5642 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_split(ptr, ptr, ptr)\00"
-@.str.5643 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_join(ptr, ptr, ptr)\00"
-@.str.5644 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_repeat(ptr, ptr, i64)\00"
-@.str.5645 = private unnamed_addr constant [45 x i8] c"declare void @finch_bytes_from_str(ptr, ptr)\00"
-@.str.5646 = private unnamed_addr constant [53 x i8] c"declare i64 @finch_map_find(ptr, ptr, i64, i64, i32)\00"
-@.str.5647 = private unnamed_addr constant [58 x i8] c"declare i64 @finch_map_slot(ptr, ptr, i64, i64, i32, ptr)\00"
-@.str.5648 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_remove_at(ptr, i64, i64)\00"
-@.str.5649 = private unnamed_addr constant [35 x i8] c"declare void @finch_map_clear(ptr)\00"
-@.str.5650 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_clone_raw(ptr, ptr, i64)\00"
-@.str.5651 = private unnamed_addr constant [61 x i8] c"declare void @finch_map_missing(ptr, i64, ptr) noreturn cold\00"
-@.str.5652 = private unnamed_addr constant [56 x i8] c"declare void @finch_map_changed(ptr, i64) noreturn cold\00"
-@.str.5653 = private unnamed_addr constant [47 x i8] c"declare void @finch_arr_reserve(ptr, i64, i64)\00"
-@.str.5654 = private unnamed_addr constant [49 x i8] c"declare void @finch_arr_clone_raw(ptr, ptr, i64)\00"
-@.str.5655 = private unnamed_addr constant [44 x i8] c"declare void @finch_arr_make(ptr, i64, i64)\00"
-@.str.5656 = private unnamed_addr constant [46 x i8] c"declare void @finch_arr_resize(ptr, i64, i64)\00"
-@.str.5657 = private unnamed_addr constant [60 x i8] c"declare void @finch_arr_insert_gap(ptr, i64, i64, ptr, i64)\00"
-@.str.5658 = private unnamed_addr constant [50 x i8] c"declare void @finch_arr_remove_gap(ptr, i64, i64)\00"
-@.str.5659 = private unnamed_addr constant [40 x i8] c"declare void @qsort(ptr, i64, i64, ptr)\00"
-@.str.5660 = private unnamed_addr constant [40 x i8] c"declare void @finch_args(ptr, i32, ptr)\00"
-@.str.5661 = private unnamed_addr constant [36 x i8] c"declare void @finch_input(ptr, ptr)\00"
-@.str.5662 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_file_exists(ptr)\00"
-@.str.5663 = private unnamed_addr constant [46 x i8] c"declare i32 @finch_str_try_int(ptr, ptr, ptr)\00"
-@.str.5664 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_str_try_float(ptr, ptr, ptr)\00"
-@.str.5665 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_try_read_file(ptr, ptr, ptr)\00"
-@.str.5666 = private unnamed_addr constant [49 x i8] c"declare i32 @finch_try_write_file(ptr, ptr, ptr)\00"
-@.str.5667 = private unnamed_addr constant [45 x i8] c"declare i32 @finch_try_delete_file(ptr, ptr)\00"
-@.str.5668 = private unnamed_addr constant [38 x i8] c"declare void @finch_report_error(ptr)\00"
-@.str.5669 = private unnamed_addr constant [50 x i8] c"declare void @finch_read_file(ptr, ptr, ptr, i64)\00"
-@.str.5670 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_write_file(ptr, ptr)\00"
-@.str.5671 = private unnamed_addr constant [30 x i8] c"declare i64 @finch_shell(ptr)\00"
-@.str.5672 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_delete_file(ptr)\00"
-@.str.5673 = private unnamed_addr constant [30 x i8] c"declare i32 @printf(ptr, ...)\00"
-@.str.5674 = private unnamed_addr constant [25 x i8] c"declare i32 @fflush(ptr)\00"
-@.str.5675 = private unnamed_addr constant [41 x i8] c"declare void @finch_str_from_c(ptr, ptr)\00"
-@.str.5676 = private unnamed_addr constant [34 x i8] c"declare void @finch_on_fatal(ptr)\00"
-@.str.5677 = private unnamed_addr constant [35 x i8] c"declare ptr @finch_std_stream(i32)\00"
-@.str.5678 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_from_bytes(ptr, ptr)\00"
-@.str.5679 = private unnamed_addr constant [33 x i8] c"declare void @exit(i32) noreturn\00"
-@.str.5680 = private unnamed_addr constant [24 x i8] c"declare void @free(ptr)\00"
-@.str.5681 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5682 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5683 = private unnamed_addr constant [53 x i8] c"; generated by the Finch compiler written in Finch\0A\0A\00"
-@.str.5684 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5685 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.5686 = private unnamed_addr constant [18 x i8] c"target triple = \22\00"
+@.str.5605 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5606 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5607 = private unnamed_addr constant [6 x i8] c"slice\00"
+@.str.5608 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5609 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5610 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5611 = private unnamed_addr constant [10 x i8] c"the start\00"
+@.str.5612 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5613 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5614 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5615 = private unnamed_addr constant [8 x i8] c"the end\00"
+@.str.5616 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5617 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5618 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5619 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
+@.str.5620 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5621 = private unnamed_addr constant [14 x i8] c"icmp sgt i64 \00"
+@.str.5622 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5623 = private unnamed_addr constant [7 x i8] c"or i1 \00"
+@.str.5624 = private unnamed_addr constant [7 x i8] c"or i1 \00"
+@.str.5625 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5626 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5627 = private unnamed_addr constant [34 x i8] c"slice(start, end) is out of range\00"
+@.str.5628 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5629 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5630 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5631 = private unnamed_addr constant [31 x i8] c"call void @finch_arr_make(ptr \00"
+@.str.5632 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5633 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5634 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5635 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5636 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5637 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5638 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5639 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5640 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5641 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5642 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5643 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5644 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5645 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5646 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5647 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5648 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.5649 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.5650 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5651 = private unnamed_addr constant [48 x i8] c"sort() works on arrays of numbers, chars or str\00"
+@.str.5652 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5653 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5654 = private unnamed_addr constant [22 x i8] c"call void @qsort(ptr \00"
+@.str.5655 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5656 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5657 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5658 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5659 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.5660 = private unnamed_addr constant [25 x i8] c"an array has no method '\00"
+@.str.5661 = private unnamed_addr constant [97 x i8] c"' (it has: push, pop, insert, remove, clear, resize, find, contains, join, slice, reverse, sort)\00"
+@.str.5662 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5663 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.5664 = private unnamed_addr constant [47 x i8] c"getelementptr inbounds { ptr, i64, i64 }, ptr \00"
+@.str.5665 = private unnamed_addr constant [15 x i8] c", i32 0, i32 1\00"
+@.str.5666 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.5667 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5668 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5669 = private unnamed_addr constant [14 x i8] c"icmp slt i64 \00"
+@.str.5670 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5671 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.5672 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5673 = private unnamed_addr constant [11 x i8] c"select i1 \00"
+@.str.5674 = private unnamed_addr constant [14 x i8] c", i64 0, i64 \00"
+@.str.5675 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5676 = private unnamed_addr constant [9 x i8] c"sub i64 \00"
+@.str.5677 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5678 = private unnamed_addr constant [24 x i8] c"getelementptr inbounds \00"
+@.str.5679 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5680 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5681 = private unnamed_addr constant [9 x i8] c"add i64 \00"
+@.str.5682 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5683 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5684 = private unnamed_addr constant [12 x i8] c"@finch.cmp.\00"
+@.str.5685 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5686 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
 @.str.5687 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5688 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.5689 = private unnamed_addr constant [4 x i8] c"\22\0A\0A\00"
-@.str.5690 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5691 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
-@.str.5692 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5693 = private unnamed_addr constant [3 x i8] c"\0A\0A\00"
-@.str.5694 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5695 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5696 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.5697 = private unnamed_addr constant [63 x i8] c"declare void @llvm.dbg.declare(metadata, metadata, metadata)\0A\0A\00"
-@.str.5698 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5699 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.5700 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5701 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5702 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.5703 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5704 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5705 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
-@.str.5706 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5707 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.5708 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5709 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5710 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.5711 = private unnamed_addr constant [34 x i8] c"!{i32 7, !\22Dwarf Version\22, i32 4}\00"
-@.str.5712 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5713 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
-@.str.5714 = private unnamed_addr constant [39 x i8] c"!{i32 2, !\22Debug Info Version\22, i32 3}\00"
-@.str.5715 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5716 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
-@.str.5717 = private unnamed_addr constant [20 x i8] c"!DIFile(filename: \22\00"
-@.str.5718 = private unnamed_addr constant [16 x i8] c"\22, directory: \22\00"
-@.str.5719 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5720 = private unnamed_addr constant [28 x i8] c"used .cwd on a null pointer\00"
-@.str.5721 = private unnamed_addr constant [3 x i8] c"\22)\00"
-@.str.5722 = private unnamed_addr constant [53 x i8] c"distinct !DICompileUnit(language: DW_LANG_C, file: !\00"
+@.str.5688 = private unnamed_addr constant [29 x i8] c"used .done on a null pointer\00"
+@.str.5689 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5690 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5691 = private unnamed_addr constant [40 x i8] c"call i64 @finch_str_cmp(ptr %x, ptr %y)\00"
+@.str.5692 = private unnamed_addr constant [11 x i8] c"trunc i64 \00"
+@.str.5693 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5694 = private unnamed_addr constant [3 x i8] c"%x\00"
+@.str.5695 = private unnamed_addr constant [3 x i8] c"%y\00"
+@.str.5696 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5697 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5698 = private unnamed_addr constant [10 x i8] c"fcmp olt \00"
+@.str.5699 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5700 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5701 = private unnamed_addr constant [10 x i8] c"fcmp ogt \00"
+@.str.5702 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5703 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5704 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.5705 = private unnamed_addr constant [2 x i8] c"<\00"
+@.str.5706 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5707 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5708 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5709 = private unnamed_addr constant [6 x i8] c"icmp \00"
+@.str.5710 = private unnamed_addr constant [2 x i8] c">\00"
+@.str.5711 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5712 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5713 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5714 = private unnamed_addr constant [9 x i8] c"sub i32 \00"
+@.str.5715 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.5716 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5717 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.5718 = private unnamed_addr constant [9 x i8] c"zext i1 \00"
+@.str.5719 = private unnamed_addr constant [8 x i8] c" to i32\00"
+@.str.5720 = private unnamed_addr constant [9 x i8] c"ret i32 \00"
+@.str.5721 = private unnamed_addr constant [21 x i8] c"define internal i32 \00"
+@.str.5722 = private unnamed_addr constant [17 x i8] c"(ptr %x, ptr %y)\00"
 @.str.5723 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5724 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.5724 = private unnamed_addr constant [30 x i8] c"used .files on a null pointer\00"
 @.str.5725 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5726 = private unnamed_addr constant [85 x i8] c", producer: \22finch\22, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)\00"
+@.str.5726 = private unnamed_addr constant [4 x i8] c"sub\00"
 @.str.5727 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5728 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5728 = private unnamed_addr constant [4 x i8] c"int\00"
 @.str.5729 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5730 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5731 = private unnamed_addr constant [5 x i8] c"main\00"
-@.str.5732 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5733 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5734 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5735 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5736 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5737 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5738 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5739 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5740 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5741 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5742 = private unnamed_addr constant [83 x i8] c"a library (--shared) has no main: the program that loads it calls its 'export fn's\00"
-@.str.5743 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5744 = private unnamed_addr constant [65 x i8] c":1:1: error: there is no main function (add 'fn main() { ... }')\00"
-@.str.5745 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5746 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.5747 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5730 = private unnamed_addr constant [10 x i8] c"the start\00"
+@.str.5731 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5732 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5733 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5734 = private unnamed_addr constant [8 x i8] c"the end\00"
+@.str.5735 = private unnamed_addr constant [30 x i8] c"call void @finch_str_sub(ptr \00"
+@.str.5736 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5737 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5738 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5739 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5740 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5741 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5742 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5743 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5744 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5745 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.5746 = private unnamed_addr constant [12 x i8] c"starts_with\00"
+@.str.5747 = private unnamed_addr constant [10 x i8] c"ends_with\00"
 @.str.5748 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5749 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5750 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5751 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
-@.str.5752 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5753 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
-@.str.5754 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5755 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5756 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
-@.str.5757 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5758 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5759 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5760 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5761 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5762 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
-@.str.5763 = private unnamed_addr constant [11 x i8] c" dllexport\00"
-@.str.5764 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5765 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.5766 = private unnamed_addr constant [7 x i8] c"define\00"
-@.str.5767 = private unnamed_addr constant [108 x i8] c" void @finch_module_on_fatal(ptr %handler) {\0Aentry:\0A  call void @finch_on_fatal(ptr %handler)\0A  ret void\0A}\0A\00"
-@.str.5768 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5769 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
-@.str.5770 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5771 = private unnamed_addr constant [6 x i8] c"call \00"
-@.str.5772 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.5773 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.5774 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5775 = private unnamed_addr constant [134 x i8] c"  %args = alloca { ptr, i64, i64 }\0A  call void @finch_args(ptr %args, i32 %argc, ptr %argv)\0A  %a = load { ptr, i64, i64 }, ptr %args\0A\00"
-@.str.5776 = private unnamed_addr constant [21 x i8] c"{ ptr, i64, i64 } %a\00"
-@.str.5777 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.5778 = private unnamed_addr constant [13 x i8] c"  ret i32 0\0A\00"
-@.str.5779 = private unnamed_addr constant [6 x i8] c"%r = \00"
-@.str.5780 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.5781 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5782 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.5783 = private unnamed_addr constant [22 x i8] c"  %ok = extractvalue \00"
-@.str.5784 = private unnamed_addr constant [63 x i8] c" %r, 0\0A  br i1 %ok, label %main.ok, label %main.bad\0Amain.bad:\0A\00"
-@.str.5785 = private unnamed_addr constant [21 x i8] c"  %m = extractvalue \00"
-@.str.5786 = private unnamed_addr constant [79 x i8] c" %r, 2\0A  %mp = alloca { ptr, i64, i64 }\0A  store { ptr, i64, i64 } %m, ptr %mp\0A\00"
-@.str.5787 = private unnamed_addr constant [63 x i8] c"  call void @finch_report_error(ptr %mp)\0A  ret i32 1\0Amain.ok:\0A\00"
-@.str.5788 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5789 = private unnamed_addr constant [21 x i8] c"  %v = extractvalue \00"
-@.str.5790 = private unnamed_addr constant [54 x i8] c" %r, 1\0A  %code = trunc i64 %v to i32\0A  ret i32 %code\0A\00"
-@.str.5791 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5792 = private unnamed_addr constant [6 x i8] c"%r = \00"
-@.str.5793 = private unnamed_addr constant [47 x i8] c"  %code = trunc i64 %r to i32\0A  ret i32 %code\0A\00"
-@.str.5794 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
-@.str.5795 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.5796 = private unnamed_addr constant [49 x i8] c"define i32 @main(i32 %argc, ptr %argv) {\0Aentry:\0A\00"
-@.str.5797 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.5798 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.5799 = private unnamed_addr constant [3 x i8] c"}\0A\00"
-@.str.5800 = private unnamed_addr constant [6 x i8] c"print\00"
-@.str.5801 = private unnamed_addr constant [17 x i8] c"print(a, b, ...)\00"
-@.str.5802 = private unnamed_addr constant [79 x i8] c"Prints the values separated by spaces, then a new line. Works with every type.\00"
-@.str.5803 = private unnamed_addr constant [6 x i8] c"input\00"
-@.str.5804 = private unnamed_addr constant [32 x i8] c"input(str question = \22\22) -> str\00"
-@.str.5805 = private unnamed_addr constant [78 x i8] c"Shows the question and reads one line typed by the user, without the newline.\00"
-@.str.5806 = private unnamed_addr constant [10 x i8] c"read_file\00"
-@.str.5807 = private unnamed_addr constant [27 x i8] c"read_file(str path) -> str\00"
-@.str.5808 = private unnamed_addr constant [122 x i8] c"The whole file as text. Stops the program if it can't be read, unless handled: read_file(p) or { ... }, try read_file(p).\00"
-@.str.5809 = private unnamed_addr constant [11 x i8] c"write_file\00"
-@.str.5810 = private unnamed_addr constant [39 x i8] c"write_file(str path, str text) -> bool\00"
-@.str.5811 = private unnamed_addr constant [84 x i8] c"Writes (replaces) the file. true if it worked; with or / try, the reason it didn't.\00"
-@.str.5812 = private unnamed_addr constant [12 x i8] c"file_exists\00"
-@.str.5813 = private unnamed_addr constant [30 x i8] c"file_exists(str path) -> bool\00"
-@.str.5814 = private unnamed_addr constant [30 x i8] c"Is there a file at this path?\00"
-@.str.5815 = private unnamed_addr constant [12 x i8] c"delete_file\00"
-@.str.5816 = private unnamed_addr constant [30 x i8] c"delete_file(str path) -> bool\00"
-@.str.5817 = private unnamed_addr constant [74 x i8] c"Deletes the file. true if it worked; with or / try, the reason it didn't.\00"
-@.str.5818 = private unnamed_addr constant [6 x i8] c"error\00"
-@.str.5819 = private unnamed_addr constant [19 x i8] c"error(str message)\00"
-@.str.5820 = private unnamed_addr constant [99 x i8] c"The failure a fallible function returns: return error(\22...\22). The caller handles it with or / try.\00"
-@.str.5821 = private unnamed_addr constant [6 x i8] c"shell\00"
-@.str.5822 = private unnamed_addr constant [26 x i8] c"shell(str command) -> int\00"
-@.str.5823 = private unnamed_addr constant [67 x i8] c"Runs a command in the system's shell and gives back its exit code.\00"
-@.str.5824 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.5825 = private unnamed_addr constant [15 x i8] c"exit(int code)\00"
-@.str.5826 = private unnamed_addr constant [49 x i8] c"Ends the program right away with this exit code.\00"
-@.str.5827 = private unnamed_addr constant [5 x i8] c"addr\00"
-@.str.5828 = private unnamed_addr constant [18 x i8] c"addr(x) -> ptr[T]\00"
-@.str.5829 = private unnamed_addr constant [78 x i8] c"A pointer to a variable, field or element. addr(function) gives C a callback.\00"
-@.str.5830 = private unnamed_addr constant [4 x i8] c"new\00"
-@.str.5831 = private unnamed_addr constant [21 x i8] c"new(value) -> ptr[T]\00"
-@.str.5832 = private unnamed_addr constant [67 x i8] c"Puts a copy of the value on the heap. Give it back with free(...).\00"
-@.str.5833 = private unnamed_addr constant [5 x i8] c"free\00"
-@.str.5834 = private unnamed_addr constant [12 x i8] c"free(ptr p)\00"
-@.str.5835 = private unnamed_addr constant [74 x i8] c"Gives back memory from new(...) (or from C), freeing what the value owns.\00"
-@.str.5836 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5837 = private unnamed_addr constant [14 x i8] c"str(x) -> str\00"
-@.str.5838 = private unnamed_addr constant [62 x i8] c"Turns a number, bool, char, []u8 or C char pointer into text.\00"
-@.str.5839 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5840 = private unnamed_addr constant [14 x i8] c"int(x) -> int\00"
-@.str.5841 = private unnamed_addr constant [131 x i8] c"Converts to a whole number: cuts off fractions, parses text (stops the program if it isn't a number, unless handled: int(s) or 0).\00"
-@.str.5842 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.5843 = private unnamed_addr constant [18 x i8] c"float(x) -> float\00"
-@.str.5844 = private unnamed_addr constant [76 x i8] c"Converts to a decimal number; parses text (int(s) or 0.0 handles bad text).\00"
-@.str.5845 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.5846 = private unnamed_addr constant [20 x i8] c"char(int n) -> char\00"
-@.str.5847 = private unnamed_addr constant [30 x i8] c"The character with this code.\00"
-@.str.5848 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5849 = private unnamed_addr constant [20 x i8] c"bool(int n) -> bool\00"
-@.str.5850 = private unnamed_addr constant [27 x i8] c"true for any number but 0.\00"
-@.str.5851 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5852 = private unnamed_addr constant [14 x i8] c"ptr(x) -> ptr\00"
-@.str.5853 = private unnamed_addr constant [89 x i8] c"An untyped pointer: from a typed pointer, or from a number (an address or offset for C).\00"
-@.str.5854 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.5855 = private unnamed_addr constant [12 x i8] c".len -> int\00"
-@.str.5856 = private unnamed_addr constant [24 x i8] c"The number of elements.\00"
-@.str.5857 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5858 = private unnamed_addr constant [15 x i8] c".ptr -> ptr[T]\00"
-@.str.5859 = private unnamed_addr constant [41 x i8] c"The address of the first element, for C.\00"
-@.str.5860 = private unnamed_addr constant [5 x i8] c"push\00"
-@.str.5861 = private unnamed_addr constant [10 x i8] c"push(T x)\00"
-@.str.5862 = private unnamed_addr constant [19 x i8] c"Adds x at the end.\00"
-@.str.5863 = private unnamed_addr constant [4 x i8] c"pop\00"
-@.str.5864 = private unnamed_addr constant [11 x i8] c"pop() -> T\00"
-@.str.5865 = private unnamed_addr constant [44 x i8] c"Removes the last element and gives it back.\00"
-@.str.5866 = private unnamed_addr constant [7 x i8] c"insert\00"
-@.str.5867 = private unnamed_addr constant [19 x i8] c"insert(int i, T x)\00"
-@.str.5868 = private unnamed_addr constant [39 x i8] c"Puts x at position i, moving the rest.\00"
-@.str.5869 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5870 = private unnamed_addr constant [19 x i8] c"remove(int i) -> T\00"
-@.str.5871 = private unnamed_addr constant [38 x i8] c"Removes position i and gives it back.\00"
-@.str.5872 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5873 = private unnamed_addr constant [8 x i8] c"clear()\00"
-@.str.5874 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
-@.str.5875 = private unnamed_addr constant [7 x i8] c"resize\00"
-@.str.5876 = private unnamed_addr constant [14 x i8] c"resize(int n)\00"
-@.str.5877 = private unnamed_addr constant [47 x i8] c"Makes the array n long; new elements are zero.\00"
-@.str.5878 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5879 = private unnamed_addr constant [17 x i8] c"find(T x) -> int\00"
-@.str.5880 = private unnamed_addr constant [23 x i8] c"The index of x, or -1.\00"
-@.str.5881 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5882 = private unnamed_addr constant [22 x i8] c"contains(T x) -> bool\00"
-@.str.5883 = private unnamed_addr constant [19 x i8] c"Is x in the array?\00"
-@.str.5884 = private unnamed_addr constant [5 x i8] c"sort\00"
-@.str.5885 = private unnamed_addr constant [7 x i8] c"sort()\00"
-@.str.5886 = private unnamed_addr constant [38 x i8] c"Sorts in place (numbers, chars, str).\00"
-@.str.5887 = private unnamed_addr constant [8 x i8] c"reverse\00"
-@.str.5888 = private unnamed_addr constant [10 x i8] c"reverse()\00"
-@.str.5889 = private unnamed_addr constant [19 x i8] c"Reverses in place.\00"
-@.str.5890 = private unnamed_addr constant [6 x i8] c"slice\00"
-@.str.5891 = private unnamed_addr constant [33 x i8] c"slice(int start, int end) -> []T\00"
-@.str.5892 = private unnamed_addr constant [46 x i8] c"A new array with the elements start to end-1.\00"
-@.str.5893 = private unnamed_addr constant [5 x i8] c"join\00"
-@.str.5894 = private unnamed_addr constant [21 x i8] c"join(str sep) -> str\00"
-@.str.5895 = private unnamed_addr constant [48 x i8] c"For []str: one text with sep between the parts.\00"
-@.str.5896 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.5897 = private unnamed_addr constant [12 x i8] c".len -> int\00"
-@.str.5898 = private unnamed_addr constant [21 x i8] c"The number of bytes.\00"
-@.str.5899 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5900 = private unnamed_addr constant [18 x i8] c".ptr -> ptr[char]\00"
-@.str.5901 = private unnamed_addr constant [60 x i8] c"The address of the text, for C (valid while the str lives).\00"
-@.str.5902 = private unnamed_addr constant [4 x i8] c"sub\00"
-@.str.5903 = private unnamed_addr constant [31 x i8] c"sub(int start, int end) -> str\00"
-@.str.5904 = private unnamed_addr constant [30 x i8] c"The part from start to end-1.\00"
-@.str.5905 = private unnamed_addr constant [5 x i8] c"find\00"
-@.str.5906 = private unnamed_addr constant [19 x i8] c"find(str t) -> int\00"
-@.str.5907 = private unnamed_addr constant [23 x i8] c"Where t starts, or -1.\00"
-@.str.5908 = private unnamed_addr constant [9 x i8] c"contains\00"
-@.str.5909 = private unnamed_addr constant [24 x i8] c"contains(str t) -> bool\00"
-@.str.5910 = private unnamed_addr constant [25 x i8] c"Does the text contain t?\00"
-@.str.5911 = private unnamed_addr constant [12 x i8] c"starts_with\00"
-@.str.5912 = private unnamed_addr constant [27 x i8] c"starts_with(str t) -> bool\00"
-@.str.5913 = private unnamed_addr constant [28 x i8] c"Does the text start with t?\00"
-@.str.5914 = private unnamed_addr constant [10 x i8] c"ends_with\00"
-@.str.5915 = private unnamed_addr constant [25 x i8] c"ends_with(str t) -> bool\00"
-@.str.5916 = private unnamed_addr constant [26 x i8] c"Does the text end with t?\00"
-@.str.5917 = private unnamed_addr constant [6 x i8] c"split\00"
-@.str.5918 = private unnamed_addr constant [24 x i8] c"split(str sep) -> []str\00"
-@.str.5919 = private unnamed_addr constant [63 x i8] c"The parts between each sep; split(\22\22) gives single characters.\00"
-@.str.5920 = private unnamed_addr constant [5 x i8] c"trim\00"
-@.str.5921 = private unnamed_addr constant [14 x i8] c"trim() -> str\00"
-@.str.5922 = private unnamed_addr constant [42 x i8] c"Without spaces and newlines at both ends.\00"
-@.str.5923 = private unnamed_addr constant [6 x i8] c"upper\00"
-@.str.5924 = private unnamed_addr constant [15 x i8] c"upper() -> str\00"
-@.str.5925 = private unnamed_addr constant [25 x i8] c"With a-z changed to A-Z.\00"
-@.str.5926 = private unnamed_addr constant [6 x i8] c"lower\00"
-@.str.5927 = private unnamed_addr constant [15 x i8] c"lower() -> str\00"
-@.str.5928 = private unnamed_addr constant [25 x i8] c"With A-Z changed to a-z.\00"
-@.str.5929 = private unnamed_addr constant [8 x i8] c"replace\00"
-@.str.5930 = private unnamed_addr constant [33 x i8] c"replace(str from, str to) -> str\00"
-@.str.5931 = private unnamed_addr constant [27 x i8] c"Every from replaced by to.\00"
-@.str.5932 = private unnamed_addr constant [7 x i8] c"repeat\00"
-@.str.5933 = private unnamed_addr constant [21 x i8] c"repeat(int n) -> str\00"
-@.str.5934 = private unnamed_addr constant [18 x i8] c"The text n times.\00"
-@.str.5935 = private unnamed_addr constant [6 x i8] c"bytes\00"
-@.str.5936 = private unnamed_addr constant [16 x i8] c"bytes() -> []u8\00"
-@.str.5937 = private unnamed_addr constant [23 x i8] c"The bytes of the text.\00"
-@.str.5938 = private unnamed_addr constant [4 x i8] c"len\00"
-@.str.5939 = private unnamed_addr constant [12 x i8] c".len -> int\00"
-@.str.5940 = private unnamed_addr constant [20 x i8] c"The number of keys.\00"
-@.str.5941 = private unnamed_addr constant [4 x i8] c"has\00"
-@.str.5942 = private unnamed_addr constant [19 x i8] c"has(K key) -> bool\00"
-@.str.5943 = private unnamed_addr constant [23 x i8] c"Is the key in the map?\00"
-@.str.5944 = private unnamed_addr constant [4 x i8] c"get\00"
-@.str.5945 = private unnamed_addr constant [27 x i8] c"get(K key, V default) -> V\00"
-@.str.5946 = private unnamed_addr constant [54 x i8] c"The value for key, or default if the key isn't there.\00"
-@.str.5947 = private unnamed_addr constant [7 x i8] c"remove\00"
-@.str.5948 = private unnamed_addr constant [22 x i8] c"remove(K key) -> bool\00"
-@.str.5949 = private unnamed_addr constant [53 x i8] c"Removes the key and its value; true if it was there.\00"
-@.str.5950 = private unnamed_addr constant [6 x i8] c"clear\00"
-@.str.5951 = private unnamed_addr constant [8 x i8] c"clear()\00"
-@.str.5952 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
-@.str.5953 = private unnamed_addr constant [5 x i8] c"keys\00"
-@.str.5954 = private unnamed_addr constant [14 x i8] c"keys() -> []K\00"
-@.str.5955 = private unnamed_addr constant [40 x i8] c"The keys, in the order they were added.\00"
-@.str.5956 = private unnamed_addr constant [7 x i8] c"values\00"
-@.str.5957 = private unnamed_addr constant [16 x i8] c"values() -> []V\00"
-@.str.5958 = private unnamed_addr constant [48 x i8] c"The values, in the order their keys were added.\00"
-@.str.5959 = private unnamed_addr constant [3 x i8] c"fn\00"
-@.str.5960 = private unnamed_addr constant [7 x i8] c"return\00"
-@.str.5961 = private unnamed_addr constant [3 x i8] c"if\00"
-@.str.5962 = private unnamed_addr constant [5 x i8] c"else\00"
-@.str.5963 = private unnamed_addr constant [6 x i8] c"while\00"
-@.str.5964 = private unnamed_addr constant [4 x i8] c"for\00"
-@.str.5965 = private unnamed_addr constant [3 x i8] c"in\00"
-@.str.5966 = private unnamed_addr constant [6 x i8] c"break\00"
-@.str.5967 = private unnamed_addr constant [9 x i8] c"continue\00"
-@.str.5968 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.5969 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.5970 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.5971 = private unnamed_addr constant [7 x i8] c"import\00"
-@.str.5972 = private unnamed_addr constant [5 x i8] c"link\00"
-@.str.5973 = private unnamed_addr constant [7 x i8] c"struct\00"
-@.str.5974 = private unnamed_addr constant [5 x i8] c"enum\00"
-@.str.5975 = private unnamed_addr constant [6 x i8] c"match\00"
-@.str.5976 = private unnamed_addr constant [7 x i8] c"export\00"
-@.str.5977 = private unnamed_addr constant [6 x i8] c"defer\00"
-@.str.5978 = private unnamed_addr constant [3 x i8] c"or\00"
-@.str.5979 = private unnamed_addr constant [4 x i8] c"try\00"
-@.str.5980 = private unnamed_addr constant [5 x i8] c"self\00"
-@.str.5981 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.5982 = private unnamed_addr constant [6 x i8] c"float\00"
-@.str.5983 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.5984 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.5985 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.5986 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.5987 = private unnamed_addr constant [4 x i8] c"map\00"
-@.str.5988 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.5989 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.5990 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.5991 = private unnamed_addr constant [4 x i8] c"i64\00"
-@.str.5992 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.5993 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.5994 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.5995 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.5996 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.5997 = private unnamed_addr constant [4 x i8] c"f64\00"
-@.str.5998 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
-@.str.5999 = private unnamed_addr constant [6 x i8] c"\0A```\0A\00"
+@.str.5749 = private unnamed_addr constant [21 x i8] c"the text to look for\00"
+@.str.5750 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.5751 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
+@.str.5752 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5753 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5754 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5755 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.5756 = private unnamed_addr constant [30 x i8] c"call i64 @finch_str_find(ptr \00"
+@.str.5757 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5758 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5759 = private unnamed_addr constant [14 x i8] c"icmp sge i64 \00"
+@.str.5760 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5761 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5762 = private unnamed_addr constant [18 x i8] c"@finch_str_starts\00"
+@.str.5763 = private unnamed_addr constant [10 x i8] c"ends_with\00"
+@.str.5764 = private unnamed_addr constant [16 x i8] c"@finch_str_ends\00"
+@.str.5765 = private unnamed_addr constant [10 x i8] c"call i32 \00"
+@.str.5766 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.5767 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5768 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5769 = private unnamed_addr constant [13 x i8] c"icmp ne i32 \00"
+@.str.5770 = private unnamed_addr constant [4 x i8] c", 0\00"
+@.str.5771 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.5772 = private unnamed_addr constant [5 x i8] c"trim\00"
+@.str.5773 = private unnamed_addr constant [6 x i8] c"upper\00"
+@.str.5774 = private unnamed_addr constant [6 x i8] c"lower\00"
+@.str.5775 = private unnamed_addr constant [22 x i8] c"call void @finch_str_\00"
+@.str.5776 = private unnamed_addr constant [6 x i8] c"(ptr \00"
+@.str.5777 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5778 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5779 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5780 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5781 = private unnamed_addr constant [8 x i8] c"replace\00"
+@.str.5782 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5783 = private unnamed_addr constant [20 x i8] c"the text to replace\00"
+@.str.5784 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5785 = private unnamed_addr constant [32 x i8] c"used .pending on a null pointer\00"
+@.str.5786 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5787 = private unnamed_addr constant [13 x i8] c"the new text\00"
+@.str.5788 = private unnamed_addr constant [34 x i8] c"call void @finch_str_replace(ptr \00"
+@.str.5789 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5790 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5791 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5792 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5793 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5794 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5795 = private unnamed_addr constant [6 x i8] c"split\00"
+@.str.5796 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5797 = private unnamed_addr constant [14 x i8] c"the separator\00"
+@.str.5798 = private unnamed_addr constant [32 x i8] c"call void @finch_str_split(ptr \00"
+@.str.5799 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5800 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5801 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5802 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5803 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5804 = private unnamed_addr constant [7 x i8] c"repeat\00"
+@.str.5805 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5806 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.5807 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5808 = private unnamed_addr constant [10 x i8] c"the count\00"
+@.str.5809 = private unnamed_addr constant [33 x i8] c"call void @finch_str_repeat(ptr \00"
+@.str.5810 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5811 = private unnamed_addr constant [7 x i8] c", i64 \00"
+@.str.5812 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5813 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5814 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.5815 = private unnamed_addr constant [6 x i8] c"bytes\00"
+@.str.5816 = private unnamed_addr constant [37 x i8] c"call void @finch_bytes_from_str(ptr \00"
+@.str.5817 = private unnamed_addr constant [7 x i8] c", ptr \00"
+@.str.5818 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5819 = private unnamed_addr constant [18 x i8] c"{ ptr, i64, i64 }\00"
+@.str.5820 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.5821 = private unnamed_addr constant [22 x i8] c"a str has no method '\00"
+@.str.5822 = private unnamed_addr constant [107 x i8] c"' (it has: sub, find, contains, starts_with, ends_with, split, trim, upper, lower, replace, repeat, bytes)\00"
+@.str.5823 = private unnamed_addr constant [55 x i8] c"declare void @finch_panic(ptr, i64, ptr) noreturn cold\00"
+@.str.5824 = private unnamed_addr constant [66 x i8] c"declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold\00"
+@.str.5825 = private unnamed_addr constant [30 x i8] c"declare ptr @finch_alloc(i64)\00"
+@.str.5826 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_copy(ptr, ptr)\00"
+@.str.5827 = private unnamed_addr constant [34 x i8] c"declare void @finch_str_drop(ptr)\00"
+@.str.5828 = private unnamed_addr constant [34 x i8] c"declare void @finch_arr_free(ptr)\00"
+@.str.5829 = private unnamed_addr constant [34 x i8] c"declare void @finch_map_free(ptr)\00"
+@.str.5830 = private unnamed_addr constant [33 x i8] c"declare void @finch_str_own(ptr)\00"
+@.str.5831 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_concat(ptr, ptr, ptr)\00"
+@.str.5832 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_str_eq(ptr, ptr)\00"
+@.str.5833 = private unnamed_addr constant [37 x i8] c"declare i64 @finch_str_cmp(ptr, ptr)\00"
+@.str.5834 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_add(ptr, ptr, i64)\00"
+@.str.5835 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_int(ptr, i64)\00"
+@.str.5836 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_uint(ptr, i64)\00"
+@.str.5837 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_float(ptr, double)\00"
+@.str.5838 = private unnamed_addr constant [39 x i8] c"declare void @finch_buf_bool(ptr, i32)\00"
+@.str.5839 = private unnamed_addr constant [38 x i8] c"declare void @finch_buf_ptr(ptr, ptr)\00"
+@.str.5840 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_char(ptr, i8, i32)\00"
+@.str.5841 = private unnamed_addr constant [43 x i8] c"declare void @finch_buf_str(ptr, ptr, i32)\00"
+@.str.5842 = private unnamed_addr constant [35 x i8] c"declare void @finch_buf_print(ptr)\00"
+@.str.5843 = private unnamed_addr constant [43 x i8] c"declare void @finch_str_from_int(ptr, i64)\00"
+@.str.5844 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_uint(ptr, i64)\00"
+@.str.5845 = private unnamed_addr constant [48 x i8] c"declare void @finch_str_from_float(ptr, double)\00"
+@.str.5846 = private unnamed_addr constant [51 x i8] c"declare void @finch_str_from_char(ptr, i8 signext)\00"
+@.str.5847 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_from_bool(ptr, i32)\00"
+@.str.5848 = private unnamed_addr constant [45 x i8] c"declare i64 @finch_str_to_int(ptr, ptr, i64)\00"
+@.str.5849 = private unnamed_addr constant [50 x i8] c"declare double @finch_str_to_float(ptr, ptr, i64)\00"
+@.str.5850 = private unnamed_addr constant [58 x i8] c"declare void @finch_str_sub(ptr, ptr, i64, i64, ptr, i64)\00"
+@.str.5851 = private unnamed_addr constant [38 x i8] c"declare i64 @finch_str_find(ptr, ptr)\00"
+@.str.5852 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_str_starts(ptr, ptr)\00"
+@.str.5853 = private unnamed_addr constant [38 x i8] c"declare i32 @finch_str_ends(ptr, ptr)\00"
+@.str.5854 = private unnamed_addr constant [39 x i8] c"declare void @finch_str_trim(ptr, ptr)\00"
+@.str.5855 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_upper(ptr, ptr)\00"
+@.str.5856 = private unnamed_addr constant [40 x i8] c"declare void @finch_str_lower(ptr, ptr)\00"
+@.str.5857 = private unnamed_addr constant [52 x i8] c"declare void @finch_str_replace(ptr, ptr, ptr, ptr)\00"
+@.str.5858 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_split(ptr, ptr, ptr)\00"
+@.str.5859 = private unnamed_addr constant [44 x i8] c"declare void @finch_str_join(ptr, ptr, ptr)\00"
+@.str.5860 = private unnamed_addr constant [46 x i8] c"declare void @finch_str_repeat(ptr, ptr, i64)\00"
+@.str.5861 = private unnamed_addr constant [45 x i8] c"declare void @finch_bytes_from_str(ptr, ptr)\00"
+@.str.5862 = private unnamed_addr constant [53 x i8] c"declare i64 @finch_map_find(ptr, ptr, i64, i64, i32)\00"
+@.str.5863 = private unnamed_addr constant [58 x i8] c"declare i64 @finch_map_slot(ptr, ptr, i64, i64, i32, ptr)\00"
+@.str.5864 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_remove_at(ptr, i64, i64)\00"
+@.str.5865 = private unnamed_addr constant [35 x i8] c"declare void @finch_map_clear(ptr)\00"
+@.str.5866 = private unnamed_addr constant [49 x i8] c"declare void @finch_map_clone_raw(ptr, ptr, i64)\00"
+@.str.5867 = private unnamed_addr constant [61 x i8] c"declare void @finch_map_missing(ptr, i64, ptr) noreturn cold\00"
+@.str.5868 = private unnamed_addr constant [56 x i8] c"declare void @finch_map_changed(ptr, i64) noreturn cold\00"
+@.str.5869 = private unnamed_addr constant [47 x i8] c"declare void @finch_arr_reserve(ptr, i64, i64)\00"
+@.str.5870 = private unnamed_addr constant [49 x i8] c"declare void @finch_arr_clone_raw(ptr, ptr, i64)\00"
+@.str.5871 = private unnamed_addr constant [44 x i8] c"declare void @finch_arr_make(ptr, i64, i64)\00"
+@.str.5872 = private unnamed_addr constant [46 x i8] c"declare void @finch_arr_resize(ptr, i64, i64)\00"
+@.str.5873 = private unnamed_addr constant [60 x i8] c"declare void @finch_arr_insert_gap(ptr, i64, i64, ptr, i64)\00"
+@.str.5874 = private unnamed_addr constant [50 x i8] c"declare void @finch_arr_remove_gap(ptr, i64, i64)\00"
+@.str.5875 = private unnamed_addr constant [40 x i8] c"declare void @qsort(ptr, i64, i64, ptr)\00"
+@.str.5876 = private unnamed_addr constant [40 x i8] c"declare void @finch_args(ptr, i32, ptr)\00"
+@.str.5877 = private unnamed_addr constant [36 x i8] c"declare void @finch_input(ptr, ptr)\00"
+@.str.5878 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_file_exists(ptr)\00"
+@.str.5879 = private unnamed_addr constant [46 x i8] c"declare i32 @finch_str_try_int(ptr, ptr, ptr)\00"
+@.str.5880 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_str_try_float(ptr, ptr, ptr)\00"
+@.str.5881 = private unnamed_addr constant [48 x i8] c"declare i32 @finch_try_read_file(ptr, ptr, ptr)\00"
+@.str.5882 = private unnamed_addr constant [49 x i8] c"declare i32 @finch_try_write_file(ptr, ptr, ptr)\00"
+@.str.5883 = private unnamed_addr constant [45 x i8] c"declare i32 @finch_try_delete_file(ptr, ptr)\00"
+@.str.5884 = private unnamed_addr constant [38 x i8] c"declare void @finch_report_error(ptr)\00"
+@.str.5885 = private unnamed_addr constant [50 x i8] c"declare void @finch_read_file(ptr, ptr, ptr, i64)\00"
+@.str.5886 = private unnamed_addr constant [40 x i8] c"declare i32 @finch_write_file(ptr, ptr)\00"
+@.str.5887 = private unnamed_addr constant [30 x i8] c"declare i64 @finch_shell(ptr)\00"
+@.str.5888 = private unnamed_addr constant [36 x i8] c"declare i32 @finch_delete_file(ptr)\00"
+@.str.5889 = private unnamed_addr constant [30 x i8] c"declare i32 @printf(ptr, ...)\00"
+@.str.5890 = private unnamed_addr constant [25 x i8] c"declare i32 @fflush(ptr)\00"
+@.str.5891 = private unnamed_addr constant [41 x i8] c"declare void @finch_str_from_c(ptr, ptr)\00"
+@.str.5892 = private unnamed_addr constant [34 x i8] c"declare void @finch_on_fatal(ptr)\00"
+@.str.5893 = private unnamed_addr constant [35 x i8] c"declare ptr @finch_std_stream(i32)\00"
+@.str.5894 = private unnamed_addr constant [45 x i8] c"declare void @finch_str_from_bytes(ptr, ptr)\00"
+@.str.5895 = private unnamed_addr constant [33 x i8] c"declare void @exit(i32) noreturn\00"
+@.str.5896 = private unnamed_addr constant [24 x i8] c"declare void @free(ptr)\00"
+@.str.5897 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5898 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5899 = private unnamed_addr constant [53 x i8] c"; generated by the Finch compiler written in Finch\0A\0A\00"
+@.str.5900 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5901 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.5902 = private unnamed_addr constant [18 x i8] c"target triple = \22\00"
+@.str.5903 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5904 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.5905 = private unnamed_addr constant [4 x i8] c"\22\0A\0A\00"
+@.str.5906 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5907 = private unnamed_addr constant [29 x i8] c"used .head on a null pointer\00"
+@.str.5908 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5909 = private unnamed_addr constant [3 x i8] c"\0A\0A\00"
+@.str.5910 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5911 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5912 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.5913 = private unnamed_addr constant [63 x i8] c"declare void @llvm.dbg.declare(metadata, metadata, metadata)\0A\0A\00"
+@.str.5914 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5915 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.5916 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5917 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5918 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.5919 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5920 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5921 = private unnamed_addr constant [30 x i8] c"used .debug on a null pointer\00"
+@.str.5922 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5923 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5924 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5925 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5926 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5927 = private unnamed_addr constant [34 x i8] c"!{i32 7, !\22Dwarf Version\22, i32 4}\00"
+@.str.5928 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5929 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5930 = private unnamed_addr constant [39 x i8] c"!{i32 2, !\22Debug Info Version\22, i32 3}\00"
+@.str.5931 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5932 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.5933 = private unnamed_addr constant [20 x i8] c"!DIFile(filename: \22\00"
+@.str.5934 = private unnamed_addr constant [16 x i8] c"\22, directory: \22\00"
+@.str.5935 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5936 = private unnamed_addr constant [28 x i8] c"used .cwd on a null pointer\00"
+@.str.5937 = private unnamed_addr constant [3 x i8] c"\22)\00"
+@.str.5938 = private unnamed_addr constant [53 x i8] c"distinct !DICompileUnit(language: DW_LANG_C, file: !\00"
+@.str.5939 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5940 = private unnamed_addr constant [32 x i8] c"used .mdfiles on a null pointer\00"
+@.str.5941 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5942 = private unnamed_addr constant [85 x i8] c", producer: \22finch\22, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)\00"
+@.str.5943 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5944 = private unnamed_addr constant [27 x i8] c"used .md on a null pointer\00"
+@.str.5945 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5946 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5947 = private unnamed_addr constant [5 x i8] c"main\00"
+@.str.5948 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5949 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5950 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5951 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5952 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5953 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5954 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5955 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5956 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5957 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5958 = private unnamed_addr constant [83 x i8] c"a library (--shared) has no main: the program that loads it calls its 'export fn's\00"
+@.str.5959 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5960 = private unnamed_addr constant [65 x i8] c":1:1: error: there is no main function (add 'fn main() { ... }')\00"
+@.str.5961 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5962 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.5963 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5964 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5965 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5966 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5967 = private unnamed_addr constant [30 x i8] c"used .index on a null pointer\00"
+@.str.5968 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5969 = private unnamed_addr constant [30 x i8] c"used .progs on a null pointer\00"
+@.str.5970 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5971 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5972 = private unnamed_addr constant [28 x i8] c"used .idx on a null pointer\00"
+@.str.5973 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5974 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5975 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5976 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5977 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5978 = private unnamed_addr constant [27 x i8] c"used .tg on a null pointer\00"
+@.str.5979 = private unnamed_addr constant [11 x i8] c" dllexport\00"
+@.str.5980 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5981 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.5982 = private unnamed_addr constant [7 x i8] c"define\00"
+@.str.5983 = private unnamed_addr constant [108 x i8] c" void @finch_module_on_fatal(ptr %handler) {\0Aentry:\0A  call void @finch_on_fatal(ptr %handler)\0A  ret void\0A}\0A\00"
+@.str.5984 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5985 = private unnamed_addr constant [29 x i8] c"used .sigs on a null pointer\00"
+@.str.5986 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.5987 = private unnamed_addr constant [6 x i8] c"call \00"
+@.str.5988 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.5989 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.5990 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5991 = private unnamed_addr constant [134 x i8] c"  %args = alloca { ptr, i64, i64 }\0A  call void @finch_args(ptr %args, i32 %argc, ptr %argv)\0A  %a = load { ptr, i64, i64 }, ptr %args\0A\00"
+@.str.5992 = private unnamed_addr constant [21 x i8] c"{ ptr, i64, i64 } %a\00"
+@.str.5993 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.5994 = private unnamed_addr constant [13 x i8] c"  ret i32 0\0A\00"
+@.str.5995 = private unnamed_addr constant [6 x i8] c"%r = \00"
+@.str.5996 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.5997 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.5998 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.5999 = private unnamed_addr constant [22 x i8] c"  %ok = extractvalue \00"
+@.str.6000 = private unnamed_addr constant [63 x i8] c" %r, 0\0A  br i1 %ok, label %main.ok, label %main.bad\0Amain.bad:\0A\00"
+@.str.6001 = private unnamed_addr constant [21 x i8] c"  %m = extractvalue \00"
+@.str.6002 = private unnamed_addr constant [79 x i8] c" %r, 2\0A  %mp = alloca { ptr, i64, i64 }\0A  store { ptr, i64, i64 } %m, ptr %mp\0A\00"
+@.str.6003 = private unnamed_addr constant [63 x i8] c"  call void @finch_report_error(ptr %mp)\0A  ret i32 1\0Amain.ok:\0A\00"
+@.str.6004 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6005 = private unnamed_addr constant [21 x i8] c"  %v = extractvalue \00"
+@.str.6006 = private unnamed_addr constant [54 x i8] c" %r, 1\0A  %code = trunc i64 %v to i32\0A  ret i32 %code\0A\00"
+@.str.6007 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6008 = private unnamed_addr constant [6 x i8] c"%r = \00"
+@.str.6009 = private unnamed_addr constant [47 x i8] c"  %code = trunc i64 %r to i32\0A  ret i32 %code\0A\00"
+@.str.6010 = private unnamed_addr constant [12 x i8] c"src/gen.fch\00"
+@.str.6011 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6012 = private unnamed_addr constant [49 x i8] c"define i32 @main(i32 %argc, ptr %argv) {\0Aentry:\0A\00"
+@.str.6013 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.6014 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6015 = private unnamed_addr constant [3 x i8] c"}\0A\00"
+@.str.6016 = private unnamed_addr constant [6 x i8] c"print\00"
+@.str.6017 = private unnamed_addr constant [17 x i8] c"print(a, b, ...)\00"
+@.str.6018 = private unnamed_addr constant [79 x i8] c"Prints the values separated by spaces, then a new line. Works with every type.\00"
+@.str.6019 = private unnamed_addr constant [6 x i8] c"input\00"
+@.str.6020 = private unnamed_addr constant [32 x i8] c"input(str question = \22\22) -> str\00"
+@.str.6021 = private unnamed_addr constant [78 x i8] c"Shows the question and reads one line typed by the user, without the newline.\00"
+@.str.6022 = private unnamed_addr constant [10 x i8] c"read_file\00"
+@.str.6023 = private unnamed_addr constant [27 x i8] c"read_file(str path) -> str\00"
+@.str.6024 = private unnamed_addr constant [122 x i8] c"The whole file as text. Stops the program if it can't be read, unless handled: read_file(p) or { ... }, try read_file(p).\00"
+@.str.6025 = private unnamed_addr constant [11 x i8] c"write_file\00"
+@.str.6026 = private unnamed_addr constant [39 x i8] c"write_file(str path, str text) -> bool\00"
+@.str.6027 = private unnamed_addr constant [84 x i8] c"Writes (replaces) the file. true if it worked; with or / try, the reason it didn't.\00"
+@.str.6028 = private unnamed_addr constant [12 x i8] c"file_exists\00"
+@.str.6029 = private unnamed_addr constant [30 x i8] c"file_exists(str path) -> bool\00"
+@.str.6030 = private unnamed_addr constant [30 x i8] c"Is there a file at this path?\00"
+@.str.6031 = private unnamed_addr constant [12 x i8] c"delete_file\00"
+@.str.6032 = private unnamed_addr constant [30 x i8] c"delete_file(str path) -> bool\00"
+@.str.6033 = private unnamed_addr constant [74 x i8] c"Deletes the file. true if it worked; with or / try, the reason it didn't.\00"
+@.str.6034 = private unnamed_addr constant [6 x i8] c"error\00"
+@.str.6035 = private unnamed_addr constant [19 x i8] c"error(str message)\00"
+@.str.6036 = private unnamed_addr constant [99 x i8] c"The failure a fallible function returns: return error(\22...\22). The caller handles it with or / try.\00"
+@.str.6037 = private unnamed_addr constant [6 x i8] c"shell\00"
+@.str.6038 = private unnamed_addr constant [26 x i8] c"shell(str command) -> int\00"
+@.str.6039 = private unnamed_addr constant [67 x i8] c"Runs a command in the system's shell and gives back its exit code.\00"
+@.str.6040 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.6041 = private unnamed_addr constant [15 x i8] c"exit(int code)\00"
+@.str.6042 = private unnamed_addr constant [49 x i8] c"Ends the program right away with this exit code.\00"
+@.str.6043 = private unnamed_addr constant [5 x i8] c"addr\00"
+@.str.6044 = private unnamed_addr constant [18 x i8] c"addr(x) -> ptr[T]\00"
+@.str.6045 = private unnamed_addr constant [78 x i8] c"A pointer to a variable, field or element. addr(function) gives C a callback.\00"
+@.str.6046 = private unnamed_addr constant [4 x i8] c"new\00"
+@.str.6047 = private unnamed_addr constant [21 x i8] c"new(value) -> ptr[T]\00"
+@.str.6048 = private unnamed_addr constant [67 x i8] c"Puts a copy of the value on the heap. Give it back with free(...).\00"
+@.str.6049 = private unnamed_addr constant [5 x i8] c"free\00"
+@.str.6050 = private unnamed_addr constant [12 x i8] c"free(ptr p)\00"
+@.str.6051 = private unnamed_addr constant [74 x i8] c"Gives back memory from new(...) (or from C), freeing what the value owns.\00"
+@.str.6052 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6053 = private unnamed_addr constant [14 x i8] c"str(x) -> str\00"
+@.str.6054 = private unnamed_addr constant [62 x i8] c"Turns a number, bool, char, []u8 or C char pointer into text.\00"
+@.str.6055 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6056 = private unnamed_addr constant [14 x i8] c"int(x) -> int\00"
+@.str.6057 = private unnamed_addr constant [131 x i8] c"Converts to a whole number: cuts off fractions, parses text (stops the program if it isn't a number, unless handled: int(s) or 0).\00"
+@.str.6058 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.6059 = private unnamed_addr constant [18 x i8] c"float(x) -> float\00"
+@.str.6060 = private unnamed_addr constant [76 x i8] c"Converts to a decimal number; parses text (int(s) or 0.0 handles bad text).\00"
+@.str.6061 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6062 = private unnamed_addr constant [20 x i8] c"char(int n) -> char\00"
+@.str.6063 = private unnamed_addr constant [30 x i8] c"The character with this code.\00"
+@.str.6064 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.6065 = private unnamed_addr constant [20 x i8] c"bool(int n) -> bool\00"
+@.str.6066 = private unnamed_addr constant [27 x i8] c"true for any number but 0.\00"
+@.str.6067 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6068 = private unnamed_addr constant [14 x i8] c"ptr(x) -> ptr\00"
+@.str.6069 = private unnamed_addr constant [89 x i8] c"An untyped pointer: from a typed pointer, or from a number (an address or offset for C).\00"
+@.str.6070 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.6071 = private unnamed_addr constant [12 x i8] c".len -> int\00"
+@.str.6072 = private unnamed_addr constant [24 x i8] c"The number of elements.\00"
+@.str.6073 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6074 = private unnamed_addr constant [15 x i8] c".ptr -> ptr[T]\00"
+@.str.6075 = private unnamed_addr constant [41 x i8] c"The address of the first element, for C.\00"
+@.str.6076 = private unnamed_addr constant [5 x i8] c"push\00"
+@.str.6077 = private unnamed_addr constant [10 x i8] c"push(T x)\00"
+@.str.6078 = private unnamed_addr constant [19 x i8] c"Adds x at the end.\00"
+@.str.6079 = private unnamed_addr constant [4 x i8] c"pop\00"
+@.str.6080 = private unnamed_addr constant [11 x i8] c"pop() -> T\00"
+@.str.6081 = private unnamed_addr constant [44 x i8] c"Removes the last element and gives it back.\00"
+@.str.6082 = private unnamed_addr constant [7 x i8] c"insert\00"
+@.str.6083 = private unnamed_addr constant [19 x i8] c"insert(int i, T x)\00"
+@.str.6084 = private unnamed_addr constant [39 x i8] c"Puts x at position i, moving the rest.\00"
+@.str.6085 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.6086 = private unnamed_addr constant [19 x i8] c"remove(int i) -> T\00"
+@.str.6087 = private unnamed_addr constant [38 x i8] c"Removes position i and gives it back.\00"
+@.str.6088 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.6089 = private unnamed_addr constant [8 x i8] c"clear()\00"
+@.str.6090 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
+@.str.6091 = private unnamed_addr constant [7 x i8] c"resize\00"
+@.str.6092 = private unnamed_addr constant [14 x i8] c"resize(int n)\00"
+@.str.6093 = private unnamed_addr constant [47 x i8] c"Makes the array n long; new elements are zero.\00"
+@.str.6094 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.6095 = private unnamed_addr constant [17 x i8] c"find(T x) -> int\00"
+@.str.6096 = private unnamed_addr constant [23 x i8] c"The index of x, or -1.\00"
+@.str.6097 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.6098 = private unnamed_addr constant [22 x i8] c"contains(T x) -> bool\00"
+@.str.6099 = private unnamed_addr constant [19 x i8] c"Is x in the array?\00"
+@.str.6100 = private unnamed_addr constant [5 x i8] c"sort\00"
+@.str.6101 = private unnamed_addr constant [7 x i8] c"sort()\00"
+@.str.6102 = private unnamed_addr constant [38 x i8] c"Sorts in place (numbers, chars, str).\00"
+@.str.6103 = private unnamed_addr constant [8 x i8] c"reverse\00"
+@.str.6104 = private unnamed_addr constant [10 x i8] c"reverse()\00"
+@.str.6105 = private unnamed_addr constant [19 x i8] c"Reverses in place.\00"
+@.str.6106 = private unnamed_addr constant [6 x i8] c"slice\00"
+@.str.6107 = private unnamed_addr constant [33 x i8] c"slice(int start, int end) -> []T\00"
+@.str.6108 = private unnamed_addr constant [46 x i8] c"A new array with the elements start to end-1.\00"
+@.str.6109 = private unnamed_addr constant [5 x i8] c"join\00"
+@.str.6110 = private unnamed_addr constant [21 x i8] c"join(str sep) -> str\00"
+@.str.6111 = private unnamed_addr constant [48 x i8] c"For []str: one text with sep between the parts.\00"
+@.str.6112 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.6113 = private unnamed_addr constant [12 x i8] c".len -> int\00"
+@.str.6114 = private unnamed_addr constant [21 x i8] c"The number of bytes.\00"
+@.str.6115 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6116 = private unnamed_addr constant [18 x i8] c".ptr -> ptr[char]\00"
+@.str.6117 = private unnamed_addr constant [60 x i8] c"The address of the text, for C (valid while the str lives).\00"
+@.str.6118 = private unnamed_addr constant [4 x i8] c"sub\00"
+@.str.6119 = private unnamed_addr constant [31 x i8] c"sub(int start, int end) -> str\00"
+@.str.6120 = private unnamed_addr constant [30 x i8] c"The part from start to end-1.\00"
+@.str.6121 = private unnamed_addr constant [5 x i8] c"find\00"
+@.str.6122 = private unnamed_addr constant [19 x i8] c"find(str t) -> int\00"
+@.str.6123 = private unnamed_addr constant [23 x i8] c"Where t starts, or -1.\00"
+@.str.6124 = private unnamed_addr constant [9 x i8] c"contains\00"
+@.str.6125 = private unnamed_addr constant [24 x i8] c"contains(str t) -> bool\00"
+@.str.6126 = private unnamed_addr constant [25 x i8] c"Does the text contain t?\00"
+@.str.6127 = private unnamed_addr constant [12 x i8] c"starts_with\00"
+@.str.6128 = private unnamed_addr constant [27 x i8] c"starts_with(str t) -> bool\00"
+@.str.6129 = private unnamed_addr constant [28 x i8] c"Does the text start with t?\00"
+@.str.6130 = private unnamed_addr constant [10 x i8] c"ends_with\00"
+@.str.6131 = private unnamed_addr constant [25 x i8] c"ends_with(str t) -> bool\00"
+@.str.6132 = private unnamed_addr constant [26 x i8] c"Does the text end with t?\00"
+@.str.6133 = private unnamed_addr constant [6 x i8] c"split\00"
+@.str.6134 = private unnamed_addr constant [24 x i8] c"split(str sep) -> []str\00"
+@.str.6135 = private unnamed_addr constant [63 x i8] c"The parts between each sep; split(\22\22) gives single characters.\00"
+@.str.6136 = private unnamed_addr constant [5 x i8] c"trim\00"
+@.str.6137 = private unnamed_addr constant [14 x i8] c"trim() -> str\00"
+@.str.6138 = private unnamed_addr constant [42 x i8] c"Without spaces and newlines at both ends.\00"
+@.str.6139 = private unnamed_addr constant [6 x i8] c"upper\00"
+@.str.6140 = private unnamed_addr constant [15 x i8] c"upper() -> str\00"
+@.str.6141 = private unnamed_addr constant [25 x i8] c"With a-z changed to A-Z.\00"
+@.str.6142 = private unnamed_addr constant [6 x i8] c"lower\00"
+@.str.6143 = private unnamed_addr constant [15 x i8] c"lower() -> str\00"
+@.str.6144 = private unnamed_addr constant [25 x i8] c"With A-Z changed to a-z.\00"
+@.str.6145 = private unnamed_addr constant [8 x i8] c"replace\00"
+@.str.6146 = private unnamed_addr constant [33 x i8] c"replace(str from, str to) -> str\00"
+@.str.6147 = private unnamed_addr constant [27 x i8] c"Every from replaced by to.\00"
+@.str.6148 = private unnamed_addr constant [7 x i8] c"repeat\00"
+@.str.6149 = private unnamed_addr constant [21 x i8] c"repeat(int n) -> str\00"
+@.str.6150 = private unnamed_addr constant [18 x i8] c"The text n times.\00"
+@.str.6151 = private unnamed_addr constant [6 x i8] c"bytes\00"
+@.str.6152 = private unnamed_addr constant [16 x i8] c"bytes() -> []u8\00"
+@.str.6153 = private unnamed_addr constant [23 x i8] c"The bytes of the text.\00"
+@.str.6154 = private unnamed_addr constant [4 x i8] c"len\00"
+@.str.6155 = private unnamed_addr constant [12 x i8] c".len -> int\00"
+@.str.6156 = private unnamed_addr constant [20 x i8] c"The number of keys.\00"
+@.str.6157 = private unnamed_addr constant [4 x i8] c"has\00"
+@.str.6158 = private unnamed_addr constant [19 x i8] c"has(K key) -> bool\00"
+@.str.6159 = private unnamed_addr constant [23 x i8] c"Is the key in the map?\00"
+@.str.6160 = private unnamed_addr constant [4 x i8] c"get\00"
+@.str.6161 = private unnamed_addr constant [27 x i8] c"get(K key, V default) -> V\00"
+@.str.6162 = private unnamed_addr constant [54 x i8] c"The value for key, or default if the key isn't there.\00"
+@.str.6163 = private unnamed_addr constant [7 x i8] c"remove\00"
+@.str.6164 = private unnamed_addr constant [22 x i8] c"remove(K key) -> bool\00"
+@.str.6165 = private unnamed_addr constant [53 x i8] c"Removes the key and its value; true if it was there.\00"
+@.str.6166 = private unnamed_addr constant [6 x i8] c"clear\00"
+@.str.6167 = private unnamed_addr constant [8 x i8] c"clear()\00"
+@.str.6168 = private unnamed_addr constant [20 x i8] c"Removes everything.\00"
+@.str.6169 = private unnamed_addr constant [5 x i8] c"keys\00"
+@.str.6170 = private unnamed_addr constant [14 x i8] c"keys() -> []K\00"
+@.str.6171 = private unnamed_addr constant [40 x i8] c"The keys, in the order they were added.\00"
+@.str.6172 = private unnamed_addr constant [7 x i8] c"values\00"
+@.str.6173 = private unnamed_addr constant [16 x i8] c"values() -> []V\00"
+@.str.6174 = private unnamed_addr constant [48 x i8] c"The values, in the order their keys were added.\00"
+@.str.6175 = private unnamed_addr constant [3 x i8] c"fn\00"
+@.str.6176 = private unnamed_addr constant [7 x i8] c"return\00"
+@.str.6177 = private unnamed_addr constant [3 x i8] c"if\00"
+@.str.6178 = private unnamed_addr constant [5 x i8] c"else\00"
+@.str.6179 = private unnamed_addr constant [6 x i8] c"while\00"
+@.str.6180 = private unnamed_addr constant [4 x i8] c"for\00"
+@.str.6181 = private unnamed_addr constant [3 x i8] c"in\00"
+@.str.6182 = private unnamed_addr constant [6 x i8] c"break\00"
+@.str.6183 = private unnamed_addr constant [9 x i8] c"continue\00"
+@.str.6184 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.6185 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.6186 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.6187 = private unnamed_addr constant [7 x i8] c"import\00"
+@.str.6188 = private unnamed_addr constant [5 x i8] c"link\00"
+@.str.6189 = private unnamed_addr constant [7 x i8] c"struct\00"
+@.str.6190 = private unnamed_addr constant [5 x i8] c"enum\00"
+@.str.6191 = private unnamed_addr constant [6 x i8] c"match\00"
+@.str.6192 = private unnamed_addr constant [7 x i8] c"export\00"
+@.str.6193 = private unnamed_addr constant [6 x i8] c"defer\00"
+@.str.6194 = private unnamed_addr constant [3 x i8] c"or\00"
+@.str.6195 = private unnamed_addr constant [4 x i8] c"try\00"
+@.str.6196 = private unnamed_addr constant [5 x i8] c"self\00"
+@.str.6197 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6198 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.6199 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.6200 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6201 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6202 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6203 = private unnamed_addr constant [4 x i8] c"map\00"
+@.str.6204 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.6205 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.6206 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.6207 = private unnamed_addr constant [4 x i8] c"i64\00"
+@.str.6208 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.6209 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.6210 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.6211 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.6212 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.6213 = private unnamed_addr constant [4 x i8] c"f64\00"
+@.str.6214 = private unnamed_addr constant [10 x i8] c"```finch\0A\00"
+@.str.6215 = private unnamed_addr constant [6 x i8] c"\0A```\0A\00"
 declare ptr @clang_getCString(i64, i64)
 declare void @clang_disposeString(i64, i64)
-@.str.6000 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.6001 = private unnamed_addr constant [23 x i8] c"/tmp/finch_cc_dirs.txt\00"
-@.str.6002 = private unnamed_addr constant [27 x i8] c" -E -v -x c /dev/null 2> '\00"
-@.str.6003 = private unnamed_addr constant [14 x i8] c"' > /dev/null\00"
-@.str.6004 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6005 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6006 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6007 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6008 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6009 = private unnamed_addr constant [35 x i8] c"#include <...> search starts here:\00"
-@.str.6010 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6011 = private unnamed_addr constant [20 x i8] c"End of search list.\00"
-@.str.6012 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6013 = private unnamed_addr constant [23 x i8] c" (framework directory)\00"
-@.str.6014 = private unnamed_addr constant [12 x i8] c"-iframework\00"
-@.str.6015 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6016 = private unnamed_addr constant [9 x i8] c"-isystem\00"
-@.str.6017 = private unnamed_addr constant [8 x i8] c"rm -f '\00"
-@.str.6018 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6216 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.6217 = private unnamed_addr constant [16 x i8] c"/finch_cc_dirs_\00"
+@.str.6218 = private unnamed_addr constant [5 x i8] c".txt\00"
+@.str.6219 = private unnamed_addr constant [14 x i8] c"/finch_empty_\00"
+@.str.6220 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.6221 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6222 = private unnamed_addr constant [13 x i8] c" -E -v -x c \00"
+@.str.6223 = private unnamed_addr constant [5 x i8] c" 2> \00"
+@.str.6224 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6225 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6226 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6227 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6228 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6229 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6230 = private unnamed_addr constant [35 x i8] c"#include <...> search starts here:\00"
+@.str.6231 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6232 = private unnamed_addr constant [20 x i8] c"End of search list.\00"
+@.str.6233 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6234 = private unnamed_addr constant [23 x i8] c" (framework directory)\00"
+@.str.6235 = private unnamed_addr constant [12 x i8] c"-iframework\00"
+@.str.6236 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6237 = private unnamed_addr constant [9 x i8] c"-isystem\00"
 declare void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16, ptr byval(%S.C.CXType) align 8)
 declare { i64, i64 } @clang_getCursorUSR(ptr byval(%S.C.CXCursor) align 8)
-@.str.6019 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6020 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6021 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6022 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6023 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6238 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6239 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6240 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6241 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6242 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
 declare { i64, i64 } @clang_getCursorSpelling(ptr byval(%S.C.CXCursor) align 8)
-@.str.6024 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6025 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6026 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6027 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
-@.str.6028 = private unnamed_addr constant [13 x i8] c"anon_struct_\00"
-@.str.6029 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6030 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
-@.str.6031 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6032 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6243 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6244 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6245 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6246 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
+@.str.6247 = private unnamed_addr constant [13 x i8] c"anon_struct_\00"
+@.str.6248 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6249 = private unnamed_addr constant [29 x i8] c"used .anon on a null pointer\00"
+@.str.6250 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6251 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
 declare void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXType) align 8)
-@.str.6033 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6034 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6035 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6036 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
+@.str.6252 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6253 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6254 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6255 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
 declare i64 @clang_Type_getSizeOf(ptr byval(%S.C.CXType) align 8)
-@.str.6037 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6038 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6039 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
+@.str.6256 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6257 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6258 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
 declare i64 @clang_Type_getAlignOf(ptr byval(%S.C.CXType) align 8)
 declare i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8)
-@.str.6040 = private unnamed_addr constant [13 x i8] c"is a C union\00"
+@.str.6259 = private unnamed_addr constant [13 x i8] c"is a C union\00"
 declare i32 @clang_Type_visitFields(ptr byval(%S.C.CXType) align 8, ptr, ptr)
-@.str.6041 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6042 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
-@.str.6043 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6044 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6045 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6046 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6260 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6261 = private unnamed_addr constant [33 x i8] c"used .defining on a null pointer\00"
+@.str.6262 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6263 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6264 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6265 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare void @clang_getCursorType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXCursor) align 8)
 declare i64 @clang_Cursor_getOffsetOfField(ptr byval(%S.C.CXCursor) align 8)
 declare i32 @clang_Cursor_isBitField(ptr byval(%S.C.CXCursor) align 8)
-@.str.6047 = private unnamed_addr constant [15 x i8] c"has bit fields\00"
-@.str.6048 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6049 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
-@.str.6050 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6051 = private unnamed_addr constant [36 x i8] c"used .unsupported on a null pointer\00"
-@.str.6052 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6053 = private unnamed_addr constant [28 x i8] c"used .imp on a null pointer\00"
-@.str.6054 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6055 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
-@.str.6056 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6057 = private unnamed_addr constant [34 x i8] c"used .hasHidden on a null pointer\00"
-@.str.6058 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6059 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
-@.str.6060 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6061 = private unnamed_addr constant [31 x i8] c"used .fields on a null pointer\00"
-@.str.6062 = private unnamed_addr constant [3 x i8] c"i8\00"
-@.str.6063 = private unnamed_addr constant [3 x i8] c"u8\00"
-@.str.6064 = private unnamed_addr constant [4 x i8] c"i16\00"
-@.str.6065 = private unnamed_addr constant [4 x i8] c"u16\00"
-@.str.6066 = private unnamed_addr constant [4 x i8] c"i32\00"
-@.str.6067 = private unnamed_addr constant [4 x i8] c"u32\00"
-@.str.6068 = private unnamed_addr constant [4 x i8] c"int\00"
-@.str.6069 = private unnamed_addr constant [4 x i8] c"u64\00"
-@.str.6070 = private unnamed_addr constant [8 x i8] c"uses a \00"
-@.str.6071 = private unnamed_addr constant [12 x i8] c"-bit number\00"
-@.str.6072 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.6073 = private unnamed_addr constant [5 x i8] c"bool\00"
-@.str.6074 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.6075 = private unnamed_addr constant [4 x i8] c"f32\00"
-@.str.6076 = private unnamed_addr constant [6 x i8] c"float\00"
+@.str.6266 = private unnamed_addr constant [15 x i8] c"has bit fields\00"
+@.str.6267 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6268 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
+@.str.6269 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6270 = private unnamed_addr constant [36 x i8] c"used .unsupported on a null pointer\00"
+@.str.6271 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6272 = private unnamed_addr constant [28 x i8] c"used .imp on a null pointer\00"
+@.str.6273 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6274 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
+@.str.6275 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6276 = private unnamed_addr constant [34 x i8] c"used .hasHidden on a null pointer\00"
+@.str.6277 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6278 = private unnamed_addr constant [26 x i8] c"used .s on a null pointer\00"
+@.str.6279 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6280 = private unnamed_addr constant [31 x i8] c"used .fields on a null pointer\00"
+@.str.6281 = private unnamed_addr constant [3 x i8] c"i8\00"
+@.str.6282 = private unnamed_addr constant [3 x i8] c"u8\00"
+@.str.6283 = private unnamed_addr constant [4 x i8] c"i16\00"
+@.str.6284 = private unnamed_addr constant [4 x i8] c"u16\00"
+@.str.6285 = private unnamed_addr constant [4 x i8] c"i32\00"
+@.str.6286 = private unnamed_addr constant [4 x i8] c"u32\00"
+@.str.6287 = private unnamed_addr constant [4 x i8] c"int\00"
+@.str.6288 = private unnamed_addr constant [4 x i8] c"u64\00"
+@.str.6289 = private unnamed_addr constant [8 x i8] c"uses a \00"
+@.str.6290 = private unnamed_addr constant [12 x i8] c"-bit number\00"
+@.str.6291 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.6292 = private unnamed_addr constant [5 x i8] c"bool\00"
+@.str.6293 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6294 = private unnamed_addr constant [4 x i8] c"f32\00"
+@.str.6295 = private unnamed_addr constant [6 x i8] c"float\00"
 declare void @clang_getPointeeType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXType) align 8)
 declare i32 @clang_isConstQualifiedType(ptr byval(%S.C.CXType) align 8)
-@.str.6077 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.6078 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.6079 = private unnamed_addr constant [5 x i8] c"void\00"
-@.str.6080 = private unnamed_addr constant [6 x i8] c"fixed\00"
-@.str.6081 = private unnamed_addr constant [4 x i8] c"ptr\00"
-@.str.6082 = private unnamed_addr constant [24 x i8] c"uses a C union by value\00"
-@.str.6083 = private unnamed_addr constant [37 x i8] c"uses an incomplete C struct by value\00"
-@.str.6084 = private unnamed_addr constant [6 x i8] c"named\00"
-@.str.6085 = private unnamed_addr constant [2 x i8] c"C\00"
+@.str.6296 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6297 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6298 = private unnamed_addr constant [5 x i8] c"void\00"
+@.str.6299 = private unnamed_addr constant [6 x i8] c"fixed\00"
+@.str.6300 = private unnamed_addr constant [4 x i8] c"ptr\00"
+@.str.6301 = private unnamed_addr constant [24 x i8] c"uses a C union by value\00"
+@.str.6302 = private unnamed_addr constant [37 x i8] c"uses an incomplete C struct by value\00"
+@.str.6303 = private unnamed_addr constant [6 x i8] c"named\00"
+@.str.6304 = private unnamed_addr constant [2 x i8] c"C\00"
 declare void @clang_getArrayElementType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXType) align 8)
 declare i64 @clang_getArraySize(ptr byval(%S.C.CXType) align 8)
-@.str.6086 = private unnamed_addr constant [17 x i8] c"uses long double\00"
-@.str.6087 = private unnamed_addr constant [18 x i8] c"uses the C type '\00"
+@.str.6305 = private unnamed_addr constant [17 x i8] c"uses long double\00"
+@.str.6306 = private unnamed_addr constant [18 x i8] c"uses the C type '\00"
 declare { i64, i64 } @clang_getTypeSpelling(ptr byval(%S.C.CXType) align 8)
-@.str.6088 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6089 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6090 = private unnamed_addr constant [3 x i8] c"0x\00"
-@.str.6091 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6092 = private unnamed_addr constant [3 x i8] c"0X\00"
-@.str.6093 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6094 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6095 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6096 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6097 = private unnamed_addr constant [5 x i8] c"uUlL\00"
-@.str.6098 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6099 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6100 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6101 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
+@.str.6307 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6308 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6309 = private unnamed_addr constant [3 x i8] c"0x\00"
+@.str.6310 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6311 = private unnamed_addr constant [3 x i8] c"0X\00"
+@.str.6312 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6313 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6314 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6315 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6316 = private unnamed_addr constant [5 x i8] c"uUlL\00"
+@.str.6317 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6318 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6319 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6320 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
 declare void @clang_getCursorExtent(ptr sret(%S.C.CXSourceRange) align 16, ptr byval(%S.C.CXCursor) align 8)
 declare void @clang_tokenize(ptr, ptr byval(%S.C.CXSourceRange) align 8, ptr, ptr)
 declare i32 @clang_getTokenKind(ptr byval(%S.C.CXToken) align 8)
-@.str.6102 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6103 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
+@.str.6321 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6322 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
 declare { i64, i64 } @clang_getTokenSpelling(ptr, ptr byval(%S.C.CXToken) align 8)
-@.str.6104 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6105 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
+@.str.6323 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6324 = private unnamed_addr constant [27 x i8] c"used .tu on a null pointer\00"
 declare void @clang_disposeTokens(ptr, ptr, i32)
-@.str.6106 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6107 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.6108 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6109 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6110 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6111 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6112 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
-@.str.6113 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6114 = private unnamed_addr constant [2 x i8] c"-\00"
-@.str.6115 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6116 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6117 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6118 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6119 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6120 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6121 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6122 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6123 = private unnamed_addr constant [2 x i8] c"e\00"
-@.str.6124 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6125 = private unnamed_addr constant [2 x i8] c"E\00"
-@.str.6126 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6127 = private unnamed_addr constant [3 x i8] c"0x\00"
-@.str.6128 = private unnamed_addr constant [5 x i8] c"fFlL\00"
-@.str.6129 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6130 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6131 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6325 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6326 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.6327 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6328 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.6329 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6330 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6331 = private unnamed_addr constant [24 x i8] c"pop() on an empty array\00"
+@.str.6332 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6333 = private unnamed_addr constant [2 x i8] c"-\00"
+@.str.6334 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6335 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6336 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6337 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6338 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6339 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6340 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6341 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6342 = private unnamed_addr constant [2 x i8] c"e\00"
+@.str.6343 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6344 = private unnamed_addr constant [2 x i8] c"E\00"
+@.str.6345 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6346 = private unnamed_addr constant [3 x i8] c"0x\00"
+@.str.6347 = private unnamed_addr constant [5 x i8] c"fFlL\00"
+@.str.6348 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6349 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6350 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
 declare void @clang_getTypedefDeclUnderlyingType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXCursor) align 8)
-@.str.6132 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6133 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6134 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6135 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6136 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6137 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6138 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6139 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6140 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6141 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6142 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6143 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6144 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6145 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6146 = private unnamed_addr constant [31 x i8] c"used .header on a null pointer\00"
+@.str.6351 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6352 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6353 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6354 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6355 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6356 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6357 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6358 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6359 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6360 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6361 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6362 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6363 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6364 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6365 = private unnamed_addr constant [31 x i8] c"used .header on a null pointer\00"
 declare i32 @clang_Cursor_getStorageClass(ptr byval(%S.C.CXCursor) align 8)
-@.str.6147 = private unnamed_addr constant [63 x i8] c"is a static inline C function (it has no code to link against)\00"
-@.str.6148 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6149 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6150 = private unnamed_addr constant [43 x i8] c"has no parameter list in its C declaration\00"
-@.str.6151 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6152 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6366 = private unnamed_addr constant [63 x i8] c"is a static inline C function (it has no code to link against)\00"
+@.str.6367 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6368 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6369 = private unnamed_addr constant [43 x i8] c"has no parameter list in its C declaration\00"
+@.str.6370 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6371 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare void @clang_getResultType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXType) align 8)
 declare i32 @clang_getNumArgTypes(ptr byval(%S.C.CXType) align 8)
 declare void @clang_getArgType(ptr sret(%S.C.CXType) align 16, ptr byval(%S.C.CXType) align 8, i32)
 declare i32 @clang_isFunctionTypeVariadic(ptr byval(%S.C.CXType) align 8)
-@.str.6153 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6154 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6155 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6156 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6157 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6158 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6372 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6373 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6374 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6375 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6376 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6377 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare i32 @clang_isCursorDefinition(ptr byval(%S.C.CXCursor) align 8)
-@.str.6159 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6160 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6161 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6162 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
-@.str.6163 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6164 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6378 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6379 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6380 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6381 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
+@.str.6382 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6383 = private unnamed_addr constant [36 x i8] c"used .recordNames on a null pointer\00"
 declare i32 @clang_visitChildren(ptr byval(%S.C.CXCursor) align 8, ptr, ptr)
-@.str.6165 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6166 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6384 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6385 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare i64 @clang_getEnumConstantDeclValue(ptr byval(%S.C.CXCursor) align 8)
-@.str.6167 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6168 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6386 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6387 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 declare i32 @clang_Cursor_isMacroBuiltin(ptr byval(%S.C.CXCursor) align 8)
 declare i32 @clang_Cursor_isMacroFunctionLike(ptr byval(%S.C.CXCursor) align 8)
-@.str.6169 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6170 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6171 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6172 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6173 = private unnamed_addr constant [3 x i8] c"-x\00"
-@.str.6174 = private unnamed_addr constant [2 x i8] c"c\00"
-@.str.6175 = private unnamed_addr constant [11 x i8] c"-std=gnu11\00"
-@.str.6176 = private unnamed_addr constant [10 x i8] c"--target=\00"
-@.str.6177 = private unnamed_addr constant [20 x i8] c"-D_USE_MATH_DEFINES\00"
-@.str.6178 = private unnamed_addr constant [3 x i8] c"-I\00"
-@.str.6179 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6180 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6388 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6389 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6390 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6391 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.6392 = private unnamed_addr constant [3 x i8] c"-x\00"
+@.str.6393 = private unnamed_addr constant [2 x i8] c"c\00"
+@.str.6394 = private unnamed_addr constant [11 x i8] c"-std=gnu11\00"
+@.str.6395 = private unnamed_addr constant [10 x i8] c"--target=\00"
+@.str.6396 = private unnamed_addr constant [20 x i8] c"-D_USE_MATH_DEFINES\00"
+@.str.6397 = private unnamed_addr constant [3 x i8] c"-I\00"
+@.str.6398 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6399 = private unnamed_addr constant [1 x i8] c"\00"
 declare ptr @clang_createIndex(i32, i32)
-@.str.6181 = private unnamed_addr constant [11 x i8] c"#include \22\00"
-@.str.6182 = private unnamed_addr constant [3 x i8] c"\22\0A\00"
-@.str.6183 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
-@.str.6184 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6185 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6186 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
-@.str.6187 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6400 = private unnamed_addr constant [11 x i8] c"#include \22\00"
+@.str.6401 = private unnamed_addr constant [3 x i8] c"\22\0A\00"
+@.str.6402 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
+@.str.6403 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6404 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6405 = private unnamed_addr constant [15 x i8] c"finch_import.c\00"
+@.str.6406 = private unnamed_addr constant [1 x i8] c"\00"
 declare i32 @clang_parseTranslationUnit2(ptr, ptr, ptr, i32, ptr, i32, i32, ptr)
-@.str.6188 = private unnamed_addr constant [34 x i8] c": error: couldn't read C header '\00"
-@.str.6189 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6407 = private unnamed_addr constant [34 x i8] c": error: couldn't read C header '\00"
+@.str.6408 = private unnamed_addr constant [2 x i8] c"'\00"
 declare i32 @clang_getNumDiagnostics(ptr)
 declare ptr @clang_getDiagnostic(ptr, i32)
 declare i32 @clang_getDiagnosticSeverity(ptr)
 declare { i64, i64 } @clang_getDiagnosticSpelling(ptr)
 declare void @clang_disposeDiagnostic(ptr)
-@.str.6190 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6191 = private unnamed_addr constant [15 x i8] c"file not found\00"
-@.str.6192 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6193 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6194 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
-@.str.6195 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6196 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
-@.str.6197 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6198 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
-@.str.6199 = private unnamed_addr constant [11 x i8] c"', which '\00"
-@.str.6200 = private unnamed_addr constant [61 x i8] c"' includes (is its library's development package installed?)\00"
-@.str.6201 = private unnamed_addr constant [20 x i8] c": error: C header '\00"
-@.str.6202 = private unnamed_addr constant [17 x i8] c"' has an error: \00"
+@.str.6409 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6410 = private unnamed_addr constant [15 x i8] c"file not found\00"
+@.str.6411 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6412 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6413 = private unnamed_addr constant [16 x i8] c"src/cimport.fch\00"
+@.str.6414 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6415 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
+@.str.6416 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6417 = private unnamed_addr constant [35 x i8] c": error: can't find the C header '\00"
+@.str.6418 = private unnamed_addr constant [11 x i8] c"', which '\00"
+@.str.6419 = private unnamed_addr constant [61 x i8] c"' includes (is its library's development package installed?)\00"
+@.str.6420 = private unnamed_addr constant [20 x i8] c": error: C header '\00"
+@.str.6421 = private unnamed_addr constant [17 x i8] c"' has an error: \00"
 declare void @clang_getTranslationUnitCursor(ptr sret(%S.C.CXCursor) align 16, ptr)
 declare void @clang_disposeTranslationUnit(ptr)
 declare void @clang_disposeIndex(ptr)
-@.str.6203 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6204 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6205 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6206 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6207 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6208 = private unnamed_addr constant [22 x i8] c"/tmp/finch_triple.txt\00"
-@.str.6209 = private unnamed_addr constant [23 x i8] c"clang -dumpmachine > '\00"
-@.str.6210 = private unnamed_addr constant [15 x i8] c"' 2> /dev/null\00"
-@.str.6211 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6212 = private unnamed_addr constant [8 x i8] c"rm -f '\00"
-@.str.6213 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6214 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6215 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
-@.str.6216 = private unnamed_addr constant [8 x i8] c"windows\00"
-@.str.6217 = private unnamed_addr constant [19 x i8] c"x86_64-w64-mingw32\00"
-@.str.6218 = private unnamed_addr constant [6 x i8] c"linux\00"
-@.str.6219 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
-@.str.6220 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6221 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6222 = private unnamed_addr constant [12 x i8] c"linux-arm64\00"
-@.str.6223 = private unnamed_addr constant [26 x i8] c"aarch64-unknown-linux-gnu\00"
-@.str.6224 = private unnamed_addr constant [6 x i8] c"macos\00"
-@.str.6225 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6226 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6227 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6228 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6229 = private unnamed_addr constant [25 x i8] c"arm64-apple-macosx14.0.0\00"
-@.str.6230 = private unnamed_addr constant [26 x i8] c"x86_64-apple-macosx14.0.0\00"
-@.str.6231 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6232 = private unnamed_addr constant [8 x i8] c"windows\00"
-@.str.6233 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6234 = private unnamed_addr constant [6 x i8] c"mingw\00"
-@.str.6235 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6236 = private unnamed_addr constant [5 x i8] c"msvc\00"
-@.str.6237 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6238 = private unnamed_addr constant [6 x i8] c"win32\00"
-@.str.6239 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6240 = private unnamed_addr constant [5 x i8] c"msvc\00"
-@.str.6241 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6242 = private unnamed_addr constant [6 x i8] c"apple\00"
-@.str.6243 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6244 = private unnamed_addr constant [7 x i8] c"darwin\00"
-@.str.6245 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6246 = private unnamed_addr constant [6 x i8] c"macos\00"
-@.str.6247 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6248 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6249 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6250 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6251 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6252 = private unnamed_addr constant [8 x i8] c"aarch64\00"
-@.str.6253 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6254 = private unnamed_addr constant [6 x i8] c"arm64\00"
-@.str.6255 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6256 = private unnamed_addr constant [6 x i8] c"apple\00"
-@.str.6257 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
-@.str.6258 = private unnamed_addr constant [7 x i8] c"darwin\00"
-@.str.6259 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6260 = private unnamed_addr constant [5 x i8] c".exe\00"
-@.str.6261 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
-@.str.6262 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6263 = private unnamed_addr constant [23 x i8] c"x86_64-w64-mingw32-gcc\00"
-@.str.6264 = private unnamed_addr constant [22 x i8] c"aarch64-linux-gnu-gcc\00"
-@.str.6265 = private unnamed_addr constant [16 x i8] c"clang --target=\00"
-@.str.6266 = private unnamed_addr constant [3 x i8] c"cc\00"
-@.str.6267 = private unnamed_addr constant [6 x i8] c"wine \00"
-@.str.6268 = private unnamed_addr constant [14 x i8] c"qemu-aarch64 \00"
-@.str.6269 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
-@.str.6270 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6271 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6272 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6273 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6274 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6275 = private unnamed_addr constant [5 x i8] c"'\5C''\00"
-@.str.6276 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6277 = private unnamed_addr constant [15 x i8] c"XDG_CACHE_HOME\00"
-@.str.6278 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6279 = private unnamed_addr constant [7 x i8] c"/finch\00"
-@.str.6280 = private unnamed_addr constant [5 x i8] c"HOME\00"
-@.str.6281 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6282 = private unnamed_addr constant [14 x i8] c"/.cache/finch\00"
-@.str.6283 = private unnamed_addr constant [17 x i8] c"/tmp/finch-cache\00"
-@.str.6284 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6285 = private unnamed_addr constant [11 x i8] c".framework\00"
-@.str.6286 = private unnamed_addr constant [12 x i8] c"-framework \00"
-@.str.6287 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6288 = private unnamed_addr constant [25 x i8] c"/tmp/finch_pkg_flags.txt\00"
-@.str.6289 = private unnamed_addr constant [19 x i8] c"pkg-config --libs \00"
-@.str.6290 = private unnamed_addr constant [5 x i8] c" > '\00"
-@.str.6291 = private unnamed_addr constant [15 x i8] c"' 2> /dev/null\00"
-@.str.6292 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6293 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6294 = private unnamed_addr constant [8 x i8] c"rm -f '\00"
-@.str.6295 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6296 = private unnamed_addr constant [3 x i8] c"-l\00"
-@.str.6297 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6298 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.6299 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6300 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6301 = private unnamed_addr constant [2 x i8] c"/\00"
-@.str.6302 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6303 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6304 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6305 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6306 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6307 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6308 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6309 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6310 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6311 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6312 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6313 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6314 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6315 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6316 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6317 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6318 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
-@.str.6319 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
-@.str.6320 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6321 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6322 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
-@.str.6323 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
-@.str.6324 = private unnamed_addr constant [3 x i8] c" \0A\00"
-@.str.6325 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6326 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
-@.str.6327 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
-@.str.6328 = private unnamed_addr constant [4 x i8] c" \0A\0D\00"
-@.str.6329 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6330 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
-@.str.6331 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
-@.str.6332 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
-@.str.6333 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6334 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
-@.str.6335 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
-@.str.6336 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
-@.str.6337 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6338 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
-@.str.6339 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
-@.str.6340 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6341 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6342 = private unnamed_addr constant [12 x i8] c"framework '\00"
-@.str.6343 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6344 = private unnamed_addr constant [10 x i8] c"not found\00"
-@.str.6345 = private unnamed_addr constant [12 x i8] c"framework '\00"
-@.str.6346 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6347 = private unnamed_addr constant [11 x i8] c".framework\00"
-@.str.6348 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6349 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6350 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6351 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
-@.str.6352 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6353 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6354 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
-@.str.6355 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6356 = private unnamed_addr constant [2 x i8] c"_\00"
-@.str.6357 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6358 = private unnamed_addr constant [22 x i8] c"error: linking failed\00"
-@.str.6359 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6360 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6361 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6362 = private unnamed_addr constant [21 x i8] c"error: the library '\00"
-@.str.6363 = private unnamed_addr constant [63 x i8] c"' wasn't found. Is it installed? (on Nix: add it to shell.nix)\00"
-@.str.6364 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6365 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6366 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6367 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6368 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6369 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6370 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6371 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6372 = private unnamed_addr constant [3 x i8] c", \00"
-@.str.6373 = private unnamed_addr constant [6 x i8] c" and \00"
-@.str.6374 = private unnamed_addr constant [6 x i8] c" more\00"
-@.str.6375 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6376 = private unnamed_addr constant [26 x i8] c"error: no code found for \00"
-@.str.6377 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6378 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6379 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6380 = private unnamed_addr constant [5 x i8] c"come\00"
-@.str.6381 = private unnamed_addr constant [6 x i8] c"comes\00"
-@.str.6382 = private unnamed_addr constant [8 x i8] c"error: \00"
-@.str.6383 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6384 = private unnamed_addr constant [8 x i8] c" from \22\00"
-@.str.6385 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6386 = private unnamed_addr constant [32 x i8] c"\22, but its library isn't linked\00"
-@.str.6387 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6388 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6389 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6390 = private unnamed_addr constant [75 x i8] c"  the header only says the functions exist; their code lives in a library.\00"
-@.str.6391 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6392 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6393 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6394 = private unnamed_addr constant [67 x i8] c"  add this at the top of your file (with the library's real name):\00"
-@.str.6395 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6396 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6397 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6398 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6399 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6400 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6401 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6402 = private unnamed_addr constant [13 x i8] c"      link \22\00"
-@.str.6403 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6404 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6405 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6406 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6407 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6408 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6409 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6410 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6411 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6412 = private unnamed_addr constant [5 x i8] c"/rt-\00"
-@.str.6413 = private unnamed_addr constant [4 x i8] c"2.5\00"
-@.str.6414 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6415 = private unnamed_addr constant [10 x i8] c"mkdir -p \00"
-@.str.6416 = private unnamed_addr constant [6 x i8] c".part\00"
+@.str.6422 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6423 = private unnamed_addr constant [13 x i8] c"src/host.fch\00"
+@.str.6424 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6425 = private unnamed_addr constant [5 x i8] c"'\5C''\00"
+@.str.6426 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6427 = private unnamed_addr constant [10 x i8] c"/dev/null\00"
+@.str.6428 = private unnamed_addr constant [7 x i8] c"TMPDIR\00"
+@.str.6429 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6430 = private unnamed_addr constant [13 x i8] c"src/host.fch\00"
+@.str.6431 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.6432 = private unnamed_addr constant [13 x i8] c"src/host.fch\00"
+@.str.6433 = private unnamed_addr constant [5 x i8] c"/tmp\00"
+@.str.6434 = private unnamed_addr constant [2 x i8] c":\00"
 declare i32 @getpid()
-@.str.6417 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
-@.str.6418 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6419 = private unnamed_addr constant [5 x i8] c".log\00"
-@.str.6420 = private unnamed_addr constant [5 x i8] c" -O2\00"
-@.str.6421 = private unnamed_addr constant [5 x i8] c" -c \00"
-@.str.6422 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6423 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6424 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6425 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6426 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6427 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6428 = private unnamed_addr constant [47 x i8] c"error: couldn't build the Finch runtime with '\00"
-@.str.6429 = private unnamed_addr constant [31 x i8] c"' (is a C compiler installed?)\00"
-@.str.6430 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6431 = private unnamed_addr constant [8 x i8] c" && mv \00"
-@.str.6432 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6433 = private unnamed_addr constant [12 x i8] c"FINCH_CLANG\00"
-@.str.6434 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6435 = private unnamed_addr constant [6 x i8] c"clang\00"
-@.str.6436 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
-@.str.6437 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6438 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
-@.str.6439 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6440 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6441 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6442 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6443 = private unnamed_addr constant [4 x i8] c".ll\00"
-@.str.6444 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6445 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6446 = private unnamed_addr constant [11 x i8] c" --target=\00"
-@.str.6447 = private unnamed_addr constant [5 x i8] c".log\00"
-@.str.6448 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6449 = private unnamed_addr constant [8 x i8] c" -w -c \00"
-@.str.6450 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6451 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6452 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6453 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6454 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6455 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6456 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6457 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6458 = private unnamed_addr constant [47 x i8] c"error: clang couldn't compile the program's IR\00"
-@.str.6459 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6460 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6461 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6462 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6463 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6464 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6465 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6466 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6467 = private unnamed_addr constant [5 x i8] c" -lm\00"
-@.str.6468 = private unnamed_addr constant [13 x i8] c" -dynamiclib\00"
-@.str.6469 = private unnamed_addr constant [9 x i8] c" -shared\00"
-@.str.6470 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6471 = private unnamed_addr constant [3 x i8] c".c\00"
-@.str.6472 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6473 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6474 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
-@.str.6475 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6476 = private unnamed_addr constant [5 x i8] c" -O2\00"
-@.str.6477 = private unnamed_addr constant [5 x i8] c" -c \00"
-@.str.6478 = private unnamed_addr constant [5 x i8] c" -o \00"
-@.str.6479 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6480 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6481 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6482 = private unnamed_addr constant [25 x i8] c"error: couldn't compile \00"
-@.str.6483 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6484 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6485 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6486 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6487 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6488 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6489 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6490 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6491 = private unnamed_addr constant [3 x i8] c".o\00"
-@.str.6492 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
-@.str.6493 = private unnamed_addr constant [3 x i8] c".a\00"
-@.str.6494 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6495 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6496 = private unnamed_addr constant [4 x i8] c" > \00"
-@.str.6497 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
-@.str.6498 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6499 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6500 = private unnamed_addr constant [2 x i8] c" \00"
-@.str.6501 = private unnamed_addr constant [7 x i8] c"rm -f \00"
-@.str.6502 = private unnamed_addr constant [43 x i8] c"error: no C compiler found to link with ('\00"
-@.str.6503 = private unnamed_addr constant [33 x i8] c"'; install one, or set FINCH_CC)\00"
-@.str.6504 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6505 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6506 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6507 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6508 = private unnamed_addr constant [5 x i8] c"%.*s\00"
-@.str.6509 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6510 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6511 = private unnamed_addr constant [8 x i8] c"file://\00"
-@.str.6512 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6513 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6514 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6515 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6516 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6517 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6518 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6519 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
-@.str.6520 = private unnamed_addr constant [8 x i8] c"file://\00"
-@.str.6521 = private unnamed_addr constant [6 x i8] c"/-_.~\00"
-@.str.6522 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6523 = private unnamed_addr constant [2 x i8] c"%\00"
-@.str.6524 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6525 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6526 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6527 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6528 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6529 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6530 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6531 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6532 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6533 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6534 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6535 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6536 = private unnamed_addr constant [1 x i8] c"\00"
-declare i32 @getchar()
-@.str.6537 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6538 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6539 = private unnamed_addr constant [2 x i8] c"\0D\00"
-@.str.6540 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@stdin = external global ptr
-declare i32 @feof(ptr)
-@.str.6541 = private unnamed_addr constant [33 x i8] c"the editor closed the connection\00"
-@.str.6542 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6543 = private unnamed_addr constant [16 x i8] c"Content-Length:\00"
-@.str.6544 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6545 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6546 = private unnamed_addr constant [26 x i8] c"the message was cut short\00"
-@.str.6547 = private unnamed_addr constant [17 x i8] c"Content-Length: \00"
-@.str.6548 = private unnamed_addr constant [5 x i8] c"\0D\0A\0D\0A\00"
-@.str.6549 = private unnamed_addr constant [1 x i8] c"\00"
-@stdout = external global ptr
-declare i64 @fwrite(ptr, i64, i64, ptr)
-@.str.6550 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
-@.str.6551 = private unnamed_addr constant [4 x i8] c"2.0\00"
-@.str.6552 = private unnamed_addr constant [3 x i8] c"id\00"
-@.str.6553 = private unnamed_addr constant [7 x i8] c"result\00"
-@.str.6554 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
-@.str.6555 = private unnamed_addr constant [4 x i8] c"2.0\00"
-@.str.6556 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.6557 = private unnamed_addr constant [7 x i8] c"params\00"
-@.str.6558 = private unnamed_addr constant [5 x i8] c"line\00"
-@.str.6559 = private unnamed_addr constant [10 x i8] c"character\00"
-@.str.6560 = private unnamed_addr constant [6 x i8] c"start\00"
-@.str.6561 = private unnamed_addr constant [4 x i8] c"end\00"
-@.str.6562 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6563 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.6564 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6565 = private unnamed_addr constant [10 x i8] c": error: \00"
-@.str.6566 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6567 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6568 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6569 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.6570 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6571 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6572 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6573 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.6574 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6575 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6576 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6577 = private unnamed_addr constant [2 x i8] c"@\00"
-@.str.6578 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6579 = private unnamed_addr constant [3 x i8] c"@R\00"
-@.str.6580 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6581 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6582 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6583 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6584 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6585 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6586 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6587 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6588 = private unnamed_addr constant [3 x i8] c"@V\00"
-@.str.6589 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6590 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6591 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6592 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6593 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6594 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6595 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6596 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6597 = private unnamed_addr constant [3 x i8] c"@F\00"
-@.str.6598 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6599 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6600 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6601 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6602 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6603 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6604 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6605 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6606 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6607 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6608 = private unnamed_addr constant [2 x i8] c"|\00"
-@.str.6609 = private unnamed_addr constant [3 x i8] c"@S\00"
-@.str.6610 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6611 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6612 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6613 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6614 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6615 = private unnamed_addr constant [4 x i8] c"@SF\00"
-@.str.6616 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6617 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6618 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6619 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6620 = private unnamed_addr constant [3 x i8] c"@E\00"
-@.str.6621 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6622 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6623 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6624 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6625 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6626 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6627 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6628 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.6629 = private unnamed_addr constant [3 x i8] c"@I\00"
-@.str.6630 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6631 = private unnamed_addr constant [11 x i8] c"mkdir -p '\00"
-@.str.6632 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6633 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6634 = private unnamed_addr constant [5 x i8] c"/doc\00"
-@.str.6635 = private unnamed_addr constant [5 x i8] c".fch\00"
-@.str.6636 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6637 = private unnamed_addr constant [13 x i8] c" --overlay '\00"
-@.str.6638 = private unnamed_addr constant [2 x i8] c"=\00"
-@.str.6639 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6640 = private unnamed_addr constant [9 x i8] c"/out.txt\00"
-@.str.6641 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6642 = private unnamed_addr constant [10 x i8] c"' index '\00"
-@.str.6643 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6644 = private unnamed_addr constant [5 x i8] c" > '\00"
-@.str.6645 = private unnamed_addr constant [7 x i8] c"' 2>&1\00"
-@.str.6646 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6647 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6648 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.6649 = private unnamed_addr constant [9 x i8] c"severity\00"
-@.str.6650 = private unnamed_addr constant [7 x i8] c"source\00"
-@.str.6651 = private unnamed_addr constant [6 x i8] c"finch\00"
-@.str.6652 = private unnamed_addr constant [8 x i8] c"message\00"
-@.str.6653 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6654 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
-@.str.6655 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
-@.str.6656 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6657 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6658 = private unnamed_addr constant [9 x i8] c"markdown\00"
-@.str.6659 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.6660 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6661 = private unnamed_addr constant [9 x i8] c"contents\00"
-@.str.6662 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6663 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6664 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6665 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.6666 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6667 = private unnamed_addr constant [5 x i8] c"name\00"
-@.str.6668 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6669 = private unnamed_addr constant [6 x i8] c"start\00"
-@.str.6670 = private unnamed_addr constant [4 x i8] c"end\00"
-@.str.6671 = private unnamed_addr constant [6 x i8] c"range\00"
-@.str.6672 = private unnamed_addr constant [15 x i8] c"selectionRange\00"
-@.str.6673 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6674 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6675 = private unnamed_addr constant [7 x i8] c"detail\00"
-@.str.6676 = private unnamed_addr constant [5 x i8] c"kind\00"
-@.str.6677 = private unnamed_addr constant [9 x i8] c"markdown\00"
-@.str.6678 = private unnamed_addr constant [6 x i8] c"value\00"
-@.str.6679 = private unnamed_addr constant [14 x i8] c"documentation\00"
-@.str.6680 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6681 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6682 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6683 = private unnamed_addr constant [33 x i8] c"called .push() on a null pointer\00"
-@.str.6684 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6685 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6686 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6687 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6688 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6689 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6690 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6691 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6692 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.6693 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6694 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6695 = private unnamed_addr constant [8 x i8] c"struct \00"
-@.str.6696 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6697 = private unnamed_addr constant [6 x i8] c"enum \00"
-@.str.6698 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6699 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6700 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6701 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6702 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.6703 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6704 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.6705 = private unnamed_addr constant [5 x i8] c"char\00"
-@.str.6706 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6707 = private unnamed_addr constant [5 x i8] c"ptr[\00"
-@.str.6708 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6709 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.6710 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6711 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6712 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.6713 = private unnamed_addr constant [4 x i8] c"str\00"
-@.str.6714 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6715 = private unnamed_addr constant [5 x i8] c"map[\00"
-@.str.6716 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6717 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6718 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6435 = private unnamed_addr constant [4 x i8] c"PWD\00"
+@.str.6436 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6437 = private unnamed_addr constant [15 x i8] c"XDG_CACHE_HOME\00"
+@.str.6438 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6439 = private unnamed_addr constant [7 x i8] c"/finch\00"
+@.str.6440 = private unnamed_addr constant [5 x i8] c"HOME\00"
+@.str.6441 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6442 = private unnamed_addr constant [14 x i8] c"/.cache/finch\00"
+@.str.6443 = private unnamed_addr constant [13 x i8] c"/finch-cache\00"
+@.str.6444 = private unnamed_addr constant [10 x i8] c"mkdir -p \00"
+@.str.6445 = private unnamed_addr constant [8 x i8] c"rm -rf \00"
+@.str.6446 = private unnamed_addr constant [4 x i8] c"mv \00"
+@.str.6447 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6448 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6449 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6450 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6451 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6452 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6453 = private unnamed_addr constant [15 x i8] c"/finch_triple_\00"
+@.str.6454 = private unnamed_addr constant [5 x i8] c".txt\00"
+@.str.6455 = private unnamed_addr constant [22 x i8] c"clang -dumpmachine > \00"
+@.str.6456 = private unnamed_addr constant [5 x i8] c" 2> \00"
+@.str.6457 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6458 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6459 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
+@.str.6460 = private unnamed_addr constant [8 x i8] c"windows\00"
+@.str.6461 = private unnamed_addr constant [19 x i8] c"x86_64-w64-mingw32\00"
+@.str.6462 = private unnamed_addr constant [6 x i8] c"linux\00"
+@.str.6463 = private unnamed_addr constant [25 x i8] c"x86_64-unknown-linux-gnu\00"
+@.str.6464 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6465 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6466 = private unnamed_addr constant [12 x i8] c"linux-arm64\00"
+@.str.6467 = private unnamed_addr constant [26 x i8] c"aarch64-unknown-linux-gnu\00"
+@.str.6468 = private unnamed_addr constant [6 x i8] c"macos\00"
+@.str.6469 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6470 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6471 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6472 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6473 = private unnamed_addr constant [25 x i8] c"arm64-apple-macosx14.0.0\00"
+@.str.6474 = private unnamed_addr constant [26 x i8] c"x86_64-apple-macosx14.0.0\00"
+@.str.6475 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6476 = private unnamed_addr constant [8 x i8] c"windows\00"
+@.str.6477 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6478 = private unnamed_addr constant [6 x i8] c"mingw\00"
+@.str.6479 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6480 = private unnamed_addr constant [5 x i8] c"msvc\00"
+@.str.6481 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6482 = private unnamed_addr constant [6 x i8] c"win32\00"
+@.str.6483 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6484 = private unnamed_addr constant [5 x i8] c"msvc\00"
+@.str.6485 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6486 = private unnamed_addr constant [6 x i8] c"apple\00"
+@.str.6487 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6488 = private unnamed_addr constant [7 x i8] c"darwin\00"
+@.str.6489 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6490 = private unnamed_addr constant [6 x i8] c"macos\00"
+@.str.6491 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6492 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6493 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6494 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6495 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6496 = private unnamed_addr constant [8 x i8] c"aarch64\00"
+@.str.6497 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6498 = private unnamed_addr constant [6 x i8] c"arm64\00"
+@.str.6499 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6500 = private unnamed_addr constant [6 x i8] c"apple\00"
+@.str.6501 = private unnamed_addr constant [17 x i8] c"src/platform.fch\00"
+@.str.6502 = private unnamed_addr constant [7 x i8] c"darwin\00"
+@.str.6503 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6504 = private unnamed_addr constant [5 x i8] c".exe\00"
+@.str.6505 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
+@.str.6506 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6507 = private unnamed_addr constant [23 x i8] c"x86_64-w64-mingw32-gcc\00"
+@.str.6508 = private unnamed_addr constant [22 x i8] c"aarch64-linux-gnu-gcc\00"
+@.str.6509 = private unnamed_addr constant [16 x i8] c"clang --target=\00"
+@.str.6510 = private unnamed_addr constant [2 x i8] c";\00"
+@.str.6511 = private unnamed_addr constant [6 x i8] c"clang\00"
+@.str.6512 = private unnamed_addr constant [3 x i8] c"cc\00"
+@.str.6513 = private unnamed_addr constant [6 x i8] c"wine \00"
+@.str.6514 = private unnamed_addr constant [14 x i8] c"qemu-aarch64 \00"
+@.str.6515 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
+@.str.6516 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6517 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6518 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6519 = private unnamed_addr constant [11 x i8] c".framework\00"
+@.str.6520 = private unnamed_addr constant [12 x i8] c"-framework \00"
+@.str.6521 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6522 = private unnamed_addr constant [18 x i8] c"/finch_pkg_flags_\00"
+@.str.6523 = private unnamed_addr constant [5 x i8] c".txt\00"
+@.str.6524 = private unnamed_addr constant [19 x i8] c"pkg-config --libs \00"
+@.str.6525 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6526 = private unnamed_addr constant [5 x i8] c" 2> \00"
+@.str.6527 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6528 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6529 = private unnamed_addr constant [3 x i8] c"-l\00"
+@.str.6530 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6531 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.6532 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6533 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6534 = private unnamed_addr constant [2 x i8] c"/\00"
+@.str.6535 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6536 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6537 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6538 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6539 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6540 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6541 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6542 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6543 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6544 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6545 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6546 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6547 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6548 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6549 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6550 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6551 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
+@.str.6552 = private unnamed_addr constant [25 x i8] c"undefined reference to `\00"
+@.str.6553 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6554 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6555 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
+@.str.6556 = private unnamed_addr constant [19 x i8] c"undefined symbol: \00"
+@.str.6557 = private unnamed_addr constant [3 x i8] c" \0A\00"
+@.str.6558 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6559 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
+@.str.6560 = private unnamed_addr constant [28 x i8] c"unresolved external symbol \00"
+@.str.6561 = private unnamed_addr constant [4 x i8] c" \0A\0D\00"
+@.str.6562 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6563 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
+@.str.6564 = private unnamed_addr constant [15 x i8] c"cannot find -l\00"
+@.str.6565 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
+@.str.6566 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6567 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
+@.str.6568 = private unnamed_addr constant [25 x i8] c"library not found for -l\00"
+@.str.6569 = private unnamed_addr constant [5 x i8] c": \0A\0D\00"
+@.str.6570 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6571 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
+@.str.6572 = private unnamed_addr constant [14 x i8] c"ld: library '\00"
+@.str.6573 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6574 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6575 = private unnamed_addr constant [12 x i8] c"framework '\00"
+@.str.6576 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6577 = private unnamed_addr constant [10 x i8] c"not found\00"
+@.str.6578 = private unnamed_addr constant [12 x i8] c"framework '\00"
+@.str.6579 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.6580 = private unnamed_addr constant [11 x i8] c".framework\00"
+@.str.6581 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6582 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.6583 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6584 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
+@.str.6585 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6586 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6587 = private unnamed_addr constant [20 x i8] c"\22, referenced from:\00"
+@.str.6588 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6589 = private unnamed_addr constant [2 x i8] c"_\00"
+@.str.6590 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6591 = private unnamed_addr constant [22 x i8] c"error: linking failed\00"
+@.str.6592 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6593 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6594 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6595 = private unnamed_addr constant [21 x i8] c"error: the library '\00"
+@.str.6596 = private unnamed_addr constant [63 x i8] c"' wasn't found. Is it installed? (on Nix: add it to shell.nix)\00"
+@.str.6597 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6598 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6599 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6600 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6601 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6602 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6603 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6604 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6605 = private unnamed_addr constant [3 x i8] c", \00"
+@.str.6606 = private unnamed_addr constant [6 x i8] c" and \00"
+@.str.6607 = private unnamed_addr constant [6 x i8] c" more\00"
+@.str.6608 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6609 = private unnamed_addr constant [26 x i8] c"error: no code found for \00"
+@.str.6610 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6611 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6612 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6613 = private unnamed_addr constant [5 x i8] c"come\00"
+@.str.6614 = private unnamed_addr constant [6 x i8] c"comes\00"
+@.str.6615 = private unnamed_addr constant [8 x i8] c"error: \00"
+@.str.6616 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6617 = private unnamed_addr constant [8 x i8] c" from \22\00"
+@.str.6618 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6619 = private unnamed_addr constant [32 x i8] c"\22, but its library isn't linked\00"
+@.str.6620 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6621 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6622 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6623 = private unnamed_addr constant [75 x i8] c"  the header only says the functions exist; their code lives in a library.\00"
+@.str.6624 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6625 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6626 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6627 = private unnamed_addr constant [67 x i8] c"  add this at the top of your file (with the library's real name):\00"
+@.str.6628 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6629 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6630 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6631 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6632 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6633 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6634 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6635 = private unnamed_addr constant [13 x i8] c"      link \22\00"
+@.str.6636 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6637 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.6638 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6639 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6640 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6641 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6642 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6643 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6644 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6645 = private unnamed_addr constant [5 x i8] c"/rt-\00"
+@.str.6646 = private unnamed_addr constant [4 x i8] c"2.5\00"
+@.str.6647 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6648 = private unnamed_addr constant [6 x i8] c".part\00"
+@.str.6649 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
+@.str.6650 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6651 = private unnamed_addr constant [5 x i8] c".log\00"
+@.str.6652 = private unnamed_addr constant [5 x i8] c" -O2\00"
+@.str.6653 = private unnamed_addr constant [5 x i8] c" -c \00"
+@.str.6654 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6655 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6656 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6657 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6658 = private unnamed_addr constant [47 x i8] c"error: couldn't build the Finch runtime with '\00"
+@.str.6659 = private unnamed_addr constant [31 x i8] c"' (is a C compiler installed?)\00"
+@.str.6660 = private unnamed_addr constant [12 x i8] c"FINCH_CLANG\00"
+@.str.6661 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6662 = private unnamed_addr constant [6 x i8] c"clang\00"
+@.str.6663 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
+@.str.6664 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6665 = private unnamed_addr constant [9 x i8] c"FINCH_CC\00"
+@.str.6666 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6667 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6668 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6669 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6670 = private unnamed_addr constant [4 x i8] c".ll\00"
+@.str.6671 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6672 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6673 = private unnamed_addr constant [11 x i8] c" --target=\00"
+@.str.6674 = private unnamed_addr constant [5 x i8] c".log\00"
+@.str.6675 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6676 = private unnamed_addr constant [8 x i8] c" -w -c \00"
+@.str.6677 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6678 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6679 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6680 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6681 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6682 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6683 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6684 = private unnamed_addr constant [47 x i8] c"error: clang couldn't compile the program's IR\00"
+@.str.6685 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6686 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6687 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6688 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6689 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6690 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6691 = private unnamed_addr constant [5 x i8] c" -lm\00"
+@.str.6692 = private unnamed_addr constant [13 x i8] c" -dynamiclib\00"
+@.str.6693 = private unnamed_addr constant [9 x i8] c" -shared\00"
+@.str.6694 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6695 = private unnamed_addr constant [3 x i8] c".c\00"
+@.str.6696 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6697 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6698 = private unnamed_addr constant [7 x i8] c" -fPIC\00"
+@.str.6699 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6700 = private unnamed_addr constant [5 x i8] c" -O2\00"
+@.str.6701 = private unnamed_addr constant [5 x i8] c" -c \00"
+@.str.6702 = private unnamed_addr constant [5 x i8] c" -o \00"
+@.str.6703 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6704 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6705 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6706 = private unnamed_addr constant [25 x i8] c"error: couldn't compile \00"
+@.str.6707 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6708 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6709 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6710 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6711 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6712 = private unnamed_addr constant [3 x i8] c".o\00"
+@.str.6713 = private unnamed_addr constant [15 x i8] c"src/linker.fch\00"
+@.str.6714 = private unnamed_addr constant [3 x i8] c".a\00"
+@.str.6715 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6716 = private unnamed_addr constant [2 x i8] c" \00"
+@.str.6717 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6718 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
 @.str.6719 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6720 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6721 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6720 = private unnamed_addr constant [43 x i8] c"error: no C compiler found to link with ('\00"
+@.str.6721 = private unnamed_addr constant [33 x i8] c"'; install one, or set FINCH_CC)\00"
 @.str.6722 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6723 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6724 = private unnamed_addr constant [8 x i8] c"struct \00"
+@.str.6723 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6724 = private unnamed_addr constant [2 x i8] c"\0A\00"
 @.str.6725 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6726 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6727 = private unnamed_addr constant [6 x i8] c"enum \00"
-@.str.6728 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6729 = private unnamed_addr constant [7 x i8] c"module\00"
-@.str.6730 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6731 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6732 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6733 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6734 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6735 = private unnamed_addr constant [13 x i8] c"isIncomplete\00"
-@.str.6736 = private unnamed_addr constant [6 x i8] c"items\00"
-@.str.6737 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6738 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6739 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6726 = private unnamed_addr constant [5 x i8] c"%.*s\00"
+@.str.6727 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6728 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6729 = private unnamed_addr constant [8 x i8] c"file://\00"
+@.str.6730 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6731 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6732 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6733 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6734 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6735 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6736 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6737 = private unnamed_addr constant [17 x i8] c"0123456789ABCDEF\00"
+@.str.6738 = private unnamed_addr constant [8 x i8] c"file://\00"
+@.str.6739 = private unnamed_addr constant [6 x i8] c"/-_.~\00"
 @.str.6740 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6741 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6741 = private unnamed_addr constant [2 x i8] c"%\00"
 @.str.6742 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6743 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6744 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6744 = private unnamed_addr constant [1 x i8] c"\00"
 @.str.6745 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6746 = private unnamed_addr constant [5 x i8] c"ptr[\00"
-@.str.6747 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6748 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.6746 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6747 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6748 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6749 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6750 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6751 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6752 = private unnamed_addr constant [11 x i8] c"parameters\00"
-@.str.6753 = private unnamed_addr constant [11 x i8] c"signatures\00"
-@.str.6754 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
-@.str.6755 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
-@.str.6756 = private unnamed_addr constant [6 x i8] c"label\00"
-@.str.6757 = private unnamed_addr constant [14 x i8] c"documentation\00"
-@.str.6758 = private unnamed_addr constant [11 x i8] c"signatures\00"
-@.str.6759 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
-@.str.6760 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
-@.str.6761 = private unnamed_addr constant [13 x i8] c"textDocument\00"
-@.str.6762 = private unnamed_addr constant [5 x i8] c"text\00"
-@.str.6763 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6764 = private unnamed_addr constant [13 x i8] c"textDocument\00"
-@.str.6765 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6766 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6767 = private unnamed_addr constant [7 x i8] c"method\00"
-@.str.6768 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6769 = private unnamed_addr constant [7 x i8] c"params\00"
+@.str.6750 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6751 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6752 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6753 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6754 = private unnamed_addr constant [1 x i8] c"\00"
+declare i32 @getchar()
+@.str.6755 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6756 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6757 = private unnamed_addr constant [2 x i8] c"\0D\00"
+@.str.6758 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@stdin = external global ptr
+declare i32 @feof(ptr)
+@.str.6759 = private unnamed_addr constant [33 x i8] c"the editor closed the connection\00"
+@.str.6760 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6761 = private unnamed_addr constant [16 x i8] c"Content-Length:\00"
+@.str.6762 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6763 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6764 = private unnamed_addr constant [26 x i8] c"the message was cut short\00"
+@.str.6765 = private unnamed_addr constant [17 x i8] c"Content-Length: \00"
+@.str.6766 = private unnamed_addr constant [5 x i8] c"\0D\0A\0D\0A\00"
+@.str.6767 = private unnamed_addr constant [1 x i8] c"\00"
+@stdout = external global ptr
+declare i64 @fwrite(ptr, i64, i64, ptr)
+@.str.6768 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
+@.str.6769 = private unnamed_addr constant [4 x i8] c"2.0\00"
 @.str.6770 = private unnamed_addr constant [3 x i8] c"id\00"
-@.str.6771 = private unnamed_addr constant [11 x i8] c"initialize\00"
-@.str.6772 = private unnamed_addr constant [17 x i8] c"textDocumentSync\00"
-@.str.6773 = private unnamed_addr constant [14 x i8] c"hoverProvider\00"
-@.str.6774 = private unnamed_addr constant [19 x i8] c"definitionProvider\00"
-@.str.6775 = private unnamed_addr constant [23 x i8] c"documentSymbolProvider\00"
-@.str.6776 = private unnamed_addr constant [2 x i8] c".\00"
-@.str.6777 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
-@.str.6778 = private unnamed_addr constant [19 x i8] c"completionProvider\00"
-@.str.6779 = private unnamed_addr constant [2 x i8] c"(\00"
-@.str.6780 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.6781 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
-@.str.6782 = private unnamed_addr constant [22 x i8] c"signatureHelpProvider\00"
-@.str.6783 = private unnamed_addr constant [13 x i8] c"capabilities\00"
-@.str.6784 = private unnamed_addr constant [5 x i8] c"name\00"
-@.str.6785 = private unnamed_addr constant [6 x i8] c"finch\00"
-@.str.6786 = private unnamed_addr constant [11 x i8] c"serverInfo\00"
-@.str.6787 = private unnamed_addr constant [9 x i8] c"shutdown\00"
-@.str.6788 = private unnamed_addr constant [5 x i8] c"exit\00"
-@.str.6789 = private unnamed_addr constant [21 x i8] c"textDocument/didOpen\00"
-@.str.6790 = private unnamed_addr constant [23 x i8] c"textDocument/didChange\00"
-@.str.6791 = private unnamed_addr constant [15 x i8] c"contentChanges\00"
-@.str.6792 = private unnamed_addr constant [5 x i8] c"text\00"
-@.str.6793 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6794 = private unnamed_addr constant [21 x i8] c"textDocument/didSave\00"
-@.str.6795 = private unnamed_addr constant [22 x i8] c"textDocument/didClose\00"
-@.str.6796 = private unnamed_addr constant [4 x i8] c"uri\00"
-@.str.6797 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
-@.str.6798 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
-@.str.6799 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
-@.str.6800 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
-@.str.6801 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
-@.str.6802 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
-@.str.6803 = private unnamed_addr constant [27 x i8] c"textDocument/signatureHelp\00"
-@.str.6804 = private unnamed_addr constant [9 x i8] c"position\00"
-@.str.6805 = private unnamed_addr constant [5 x i8] c"line\00"
-@.str.6806 = private unnamed_addr constant [9 x i8] c"position\00"
-@.str.6807 = private unnamed_addr constant [10 x i8] c"character\00"
+@.str.6771 = private unnamed_addr constant [7 x i8] c"result\00"
+@.str.6772 = private unnamed_addr constant [8 x i8] c"jsonrpc\00"
+@.str.6773 = private unnamed_addr constant [4 x i8] c"2.0\00"
+@.str.6774 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.6775 = private unnamed_addr constant [7 x i8] c"params\00"
+@.str.6776 = private unnamed_addr constant [5 x i8] c"line\00"
+@.str.6777 = private unnamed_addr constant [10 x i8] c"character\00"
+@.str.6778 = private unnamed_addr constant [6 x i8] c"start\00"
+@.str.6779 = private unnamed_addr constant [4 x i8] c"end\00"
+@.str.6780 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6781 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.6782 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6783 = private unnamed_addr constant [10 x i8] c": error: \00"
+@.str.6784 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6785 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6786 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6787 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.6788 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6789 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6790 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6791 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.6792 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6793 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.6794 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6795 = private unnamed_addr constant [2 x i8] c"@\00"
+@.str.6796 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6797 = private unnamed_addr constant [3 x i8] c"@R\00"
+@.str.6798 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6799 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6800 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6801 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6802 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6803 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6804 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6805 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6806 = private unnamed_addr constant [3 x i8] c"@V\00"
+@.str.6807 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6808 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6809 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6809 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
 @.str.6810 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
-@.str.6811 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
-@.str.6812 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
-@.str.6813 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
-@.str.6814 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
-@.str.6815 = private unnamed_addr constant [16 x i8] c"/tmp/finch_lsp_\00"
-@.str.6816 = private unnamed_addr constant [9 x i8] c"rm -rf '\00"
-@.str.6817 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6818 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6819 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6820 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6821 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6822 = private unnamed_addr constant [3 x i8] c"\5C\22\00"
-@.str.6823 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
-@.str.6824 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
-@.str.6825 = private unnamed_addr constant [3 x i8] c"\5Cr\00"
-@.str.6826 = private unnamed_addr constant [3 x i8] c"\5Ct\00"
-@.str.6827 = private unnamed_addr constant [5 x i8] c"\5Cu00\00"
-@.str.6828 = private unnamed_addr constant [2 x i8] c"\22\00"
-@.str.6829 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6830 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
-@.str.6831 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6832 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6833 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6834 = private unnamed_addr constant [2 x i8] c",\00"
-@.str.6835 = private unnamed_addr constant [2 x i8] c":\00"
-@.str.6836 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.6837 = private unnamed_addr constant [3 x i8] c": \00"
-@.str.6838 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6839 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6840 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.6841 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6842 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6843 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.6844 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6845 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6846 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.6847 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6848 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6849 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6850 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6851 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6852 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6853 = private unnamed_addr constant [3 x i8] c"[]\00"
-@.str.6854 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6855 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6856 = private unnamed_addr constant [2 x i8] c"[\00"
-@.str.6857 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6858 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6859 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6860 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6861 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6862 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6863 = private unnamed_addr constant [2 x i8] c"]\00"
-@.str.6864 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6865 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6866 = private unnamed_addr constant [3 x i8] c"{}\00"
-@.str.6867 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6868 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6869 = private unnamed_addr constant [2 x i8] c"{\00"
-@.str.6870 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6871 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6872 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6873 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6874 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6875 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6876 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
-@.str.6877 = private unnamed_addr constant [2 x i8] c"}\00"
-@.str.6878 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6879 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
-@.str.6880 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6881 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6882 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6883 = private unnamed_addr constant [3 x i8] c"  \00"
-@.str.6884 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6885 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.6886 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6887 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6888 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6889 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6890 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6891 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6892 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6893 = private unnamed_addr constant [6 x i8] c"line \00"
-@.str.6894 = private unnamed_addr constant [10 x i8] c", column \00"
-@.str.6895 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6896 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6897 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6898 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6899 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6900 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6901 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6902 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6903 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6904 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6905 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6906 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6907 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6908 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6909 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6910 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6911 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6912 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6913 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6914 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6915 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6916 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6917 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6918 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6919 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6920 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6921 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6922 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6923 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6924 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6925 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6926 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6927 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6928 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6929 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6930 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6931 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6932 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6933 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6934 = private unnamed_addr constant [27 x i8] c"json: the text ends where \00"
-@.str.6935 = private unnamed_addr constant [13 x i8] c" should be (\00"
-@.str.6936 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6937 = private unnamed_addr constant [14 x i8] c"json: found '\00"
-@.str.6938 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6939 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6940 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6941 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6942 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6943 = private unnamed_addr constant [9 x i8] c"' where \00"
-@.str.6944 = private unnamed_addr constant [13 x i8] c" should be (\00"
-@.str.6945 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6946 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6947 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6948 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6949 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6950 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6951 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6952 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6953 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6954 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6955 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6956 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6957 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6958 = private unnamed_addr constant [2 x i8] c"'\00"
-@.str.6959 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6960 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6961 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6962 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6963 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6964 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6965 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6966 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6967 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6968 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6969 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6970 = private unnamed_addr constant [20 x i8] c"a hexadecimal digit\00"
-@.str.6971 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6972 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6973 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6974 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6975 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6976 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6977 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6978 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6979 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6980 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6981 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6982 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6983 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6984 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6985 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6986 = private unnamed_addr constant [31 x i8] c"json: a text is never closed (\00"
-@.str.6987 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.6988 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6989 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6990 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6991 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6992 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6993 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6994 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.6995 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6996 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6997 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.6998 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.6999 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7000 = private unnamed_addr constant [1 x i8] c"\00"
-@.str.7001 = private unnamed_addr constant [56 x i8] c"json: a line break or control character inside a text (\00"
-@.str.7002 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.7003 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7004 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7005 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7006 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7007 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7008 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7009 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7010 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7011 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7012 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7013 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7014 = private unnamed_addr constant [2 x i8] c"\0A\00"
-@.str.7015 = private unnamed_addr constant [2 x i8] c"\09\00"
-@.str.7016 = private unnamed_addr constant [2 x i8] c"\0D\00"
-@.str.7017 = private unnamed_addr constant [3 x i8] c"\5Cu\00"
-@.str.7018 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7019 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7020 = private unnamed_addr constant [23 x i8] c"json: unknown escape \5C\00"
-@.str.7021 = private unnamed_addr constant [13 x i8] c" in a text (\00"
-@.str.7022 = private unnamed_addr constant [2 x i8] c")\00"
-@.str.7023 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7024 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7025 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7026 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7027 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7028 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.6811 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6812 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6813 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6814 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6815 = private unnamed_addr constant [3 x i8] c"@F\00"
+@.str.6816 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6817 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6818 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6819 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6820 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6821 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6822 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6823 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6824 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6825 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6826 = private unnamed_addr constant [2 x i8] c"|\00"
+@.str.6827 = private unnamed_addr constant [3 x i8] c"@S\00"
+@.str.6828 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6829 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6830 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6831 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6832 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6833 = private unnamed_addr constant [4 x i8] c"@SF\00"
+@.str.6834 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6835 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6836 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6837 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6838 = private unnamed_addr constant [3 x i8] c"@E\00"
+@.str.6839 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6840 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6841 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6842 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6843 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6844 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6845 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6846 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.6847 = private unnamed_addr constant [3 x i8] c"@I\00"
+@.str.6848 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6849 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6850 = private unnamed_addr constant [5 x i8] c"/doc\00"
+@.str.6851 = private unnamed_addr constant [5 x i8] c".fch\00"
+@.str.6852 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6853 = private unnamed_addr constant [12 x i8] c" --overlay \00"
+@.str.6854 = private unnamed_addr constant [2 x i8] c"=\00"
+@.str.6855 = private unnamed_addr constant [9 x i8] c"/out.txt\00"
+@.str.6856 = private unnamed_addr constant [8 x i8] c" index \00"
+@.str.6857 = private unnamed_addr constant [4 x i8] c" > \00"
+@.str.6858 = private unnamed_addr constant [6 x i8] c" 2>&1\00"
+@.str.6859 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6860 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6861 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.6862 = private unnamed_addr constant [9 x i8] c"severity\00"
+@.str.6863 = private unnamed_addr constant [7 x i8] c"source\00"
+@.str.6864 = private unnamed_addr constant [6 x i8] c"finch\00"
+@.str.6865 = private unnamed_addr constant [8 x i8] c"message\00"
+@.str.6866 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.6867 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
+@.str.6868 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
+@.str.6869 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6870 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6871 = private unnamed_addr constant [9 x i8] c"markdown\00"
+@.str.6872 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.6873 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6874 = private unnamed_addr constant [9 x i8] c"contents\00"
+@.str.6875 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6876 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6877 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.6878 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.6879 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6880 = private unnamed_addr constant [5 x i8] c"name\00"
+@.str.6881 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6882 = private unnamed_addr constant [6 x i8] c"start\00"
+@.str.6883 = private unnamed_addr constant [4 x i8] c"end\00"
+@.str.6884 = private unnamed_addr constant [6 x i8] c"range\00"
+@.str.6885 = private unnamed_addr constant [15 x i8] c"selectionRange\00"
+@.str.6886 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6887 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6888 = private unnamed_addr constant [7 x i8] c"detail\00"
+@.str.6889 = private unnamed_addr constant [5 x i8] c"kind\00"
+@.str.6890 = private unnamed_addr constant [9 x i8] c"markdown\00"
+@.str.6891 = private unnamed_addr constant [6 x i8] c"value\00"
+@.str.6892 = private unnamed_addr constant [14 x i8] c"documentation\00"
+@.str.6893 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6894 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6895 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6896 = private unnamed_addr constant [33 x i8] c"called .push() on a null pointer\00"
+@.str.6897 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6898 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6899 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6900 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6901 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6902 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6903 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6904 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6905 = private unnamed_addr constant [2 x i8] c"[\00"
+@.str.6906 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6907 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6908 = private unnamed_addr constant [8 x i8] c"struct \00"
+@.str.6909 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6910 = private unnamed_addr constant [6 x i8] c"enum \00"
+@.str.6911 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6912 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6913 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6914 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6915 = private unnamed_addr constant [3 x i8] c"[]\00"
+@.str.6916 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6917 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6918 = private unnamed_addr constant [5 x i8] c"char\00"
+@.str.6919 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6920 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.6921 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6922 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.6923 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6924 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6925 = private unnamed_addr constant [3 x i8] c"[]\00"
+@.str.6926 = private unnamed_addr constant [4 x i8] c"str\00"
+@.str.6927 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6928 = private unnamed_addr constant [5 x i8] c"map[\00"
+@.str.6929 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6930 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6931 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6932 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6933 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6934 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6935 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6936 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6937 = private unnamed_addr constant [8 x i8] c"struct \00"
+@.str.6938 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6939 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6940 = private unnamed_addr constant [6 x i8] c"enum \00"
+@.str.6941 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6942 = private unnamed_addr constant [7 x i8] c"module\00"
+@.str.6943 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6944 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6945 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6946 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6947 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6948 = private unnamed_addr constant [13 x i8] c"isIncomplete\00"
+@.str.6949 = private unnamed_addr constant [6 x i8] c"items\00"
+@.str.6950 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6951 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6952 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6953 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6954 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6955 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6956 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6957 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6958 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6959 = private unnamed_addr constant [5 x i8] c"ptr[\00"
+@.str.6960 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6961 = private unnamed_addr constant [2 x i8] c"]\00"
+@.str.6962 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.6963 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6964 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6965 = private unnamed_addr constant [11 x i8] c"parameters\00"
+@.str.6966 = private unnamed_addr constant [11 x i8] c"signatures\00"
+@.str.6967 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
+@.str.6968 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
+@.str.6969 = private unnamed_addr constant [6 x i8] c"label\00"
+@.str.6970 = private unnamed_addr constant [14 x i8] c"documentation\00"
+@.str.6971 = private unnamed_addr constant [11 x i8] c"signatures\00"
+@.str.6972 = private unnamed_addr constant [16 x i8] c"activeSignature\00"
+@.str.6973 = private unnamed_addr constant [16 x i8] c"activeParameter\00"
+@.str.6974 = private unnamed_addr constant [13 x i8] c"textDocument\00"
+@.str.6975 = private unnamed_addr constant [5 x i8] c"text\00"
+@.str.6976 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6977 = private unnamed_addr constant [13 x i8] c"textDocument\00"
+@.str.6978 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.6979 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6980 = private unnamed_addr constant [7 x i8] c"method\00"
+@.str.6981 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.6982 = private unnamed_addr constant [7 x i8] c"params\00"
+@.str.6983 = private unnamed_addr constant [3 x i8] c"id\00"
+@.str.6984 = private unnamed_addr constant [11 x i8] c"initialize\00"
+@.str.6985 = private unnamed_addr constant [17 x i8] c"textDocumentSync\00"
+@.str.6986 = private unnamed_addr constant [14 x i8] c"hoverProvider\00"
+@.str.6987 = private unnamed_addr constant [19 x i8] c"definitionProvider\00"
+@.str.6988 = private unnamed_addr constant [23 x i8] c"documentSymbolProvider\00"
+@.str.6989 = private unnamed_addr constant [2 x i8] c".\00"
+@.str.6990 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
+@.str.6991 = private unnamed_addr constant [19 x i8] c"completionProvider\00"
+@.str.6992 = private unnamed_addr constant [2 x i8] c"(\00"
+@.str.6993 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.6994 = private unnamed_addr constant [18 x i8] c"triggerCharacters\00"
+@.str.6995 = private unnamed_addr constant [22 x i8] c"signatureHelpProvider\00"
+@.str.6996 = private unnamed_addr constant [13 x i8] c"capabilities\00"
+@.str.6997 = private unnamed_addr constant [5 x i8] c"name\00"
+@.str.6998 = private unnamed_addr constant [6 x i8] c"finch\00"
+@.str.6999 = private unnamed_addr constant [11 x i8] c"serverInfo\00"
+@.str.7000 = private unnamed_addr constant [9 x i8] c"shutdown\00"
+@.str.7001 = private unnamed_addr constant [5 x i8] c"exit\00"
+@.str.7002 = private unnamed_addr constant [21 x i8] c"textDocument/didOpen\00"
+@.str.7003 = private unnamed_addr constant [23 x i8] c"textDocument/didChange\00"
+@.str.7004 = private unnamed_addr constant [15 x i8] c"contentChanges\00"
+@.str.7005 = private unnamed_addr constant [5 x i8] c"text\00"
+@.str.7006 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7007 = private unnamed_addr constant [21 x i8] c"textDocument/didSave\00"
+@.str.7008 = private unnamed_addr constant [22 x i8] c"textDocument/didClose\00"
+@.str.7009 = private unnamed_addr constant [4 x i8] c"uri\00"
+@.str.7010 = private unnamed_addr constant [12 x i8] c"diagnostics\00"
+@.str.7011 = private unnamed_addr constant [32 x i8] c"textDocument/publishDiagnostics\00"
+@.str.7012 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
+@.str.7013 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
+@.str.7014 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
+@.str.7015 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
+@.str.7016 = private unnamed_addr constant [27 x i8] c"textDocument/signatureHelp\00"
+@.str.7017 = private unnamed_addr constant [9 x i8] c"position\00"
+@.str.7018 = private unnamed_addr constant [5 x i8] c"line\00"
+@.str.7019 = private unnamed_addr constant [9 x i8] c"position\00"
+@.str.7020 = private unnamed_addr constant [10 x i8] c"character\00"
+@.str.7021 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.7022 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7023 = private unnamed_addr constant [12 x i8] c"src/lsp.fch\00"
+@.str.7024 = private unnamed_addr constant [19 x i8] c"textDocument/hover\00"
+@.str.7025 = private unnamed_addr constant [24 x i8] c"textDocument/definition\00"
+@.str.7026 = private unnamed_addr constant [24 x i8] c"textDocument/completion\00"
+@.str.7027 = private unnamed_addr constant [28 x i8] c"textDocument/documentSymbol\00"
+@.str.7028 = private unnamed_addr constant [12 x i8] c"/finch_lsp_\00"
 @.str.7029 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7030 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7030 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
 @.str.7031 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7032 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7033 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7034 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7035 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7036 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7037 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7038 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7039 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7040 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7041 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7032 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.7033 = private unnamed_addr constant [3 x i8] c"\5C\22\00"
+@.str.7034 = private unnamed_addr constant [3 x i8] c"\5C\5C\00"
+@.str.7035 = private unnamed_addr constant [3 x i8] c"\5Cn\00"
+@.str.7036 = private unnamed_addr constant [3 x i8] c"\5Cr\00"
+@.str.7037 = private unnamed_addr constant [3 x i8] c"\5Ct\00"
+@.str.7038 = private unnamed_addr constant [5 x i8] c"\5Cu00\00"
+@.str.7039 = private unnamed_addr constant [2 x i8] c"\22\00"
+@.str.7040 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7041 = private unnamed_addr constant [17 x i8] c"0123456789abcdef\00"
 @.str.7042 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7043 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7044 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7045 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7046 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7047 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7048 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7049 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7050 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7051 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7043 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7044 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7045 = private unnamed_addr constant [2 x i8] c",\00"
+@.str.7046 = private unnamed_addr constant [2 x i8] c":\00"
+@.str.7047 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.7048 = private unnamed_addr constant [3 x i8] c": \00"
+@.str.7049 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7050 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7051 = private unnamed_addr constant [5 x i8] c"null\00"
 @.str.7052 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7053 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7054 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7053 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7054 = private unnamed_addr constant [5 x i8] c"true\00"
 @.str.7055 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7056 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7057 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7056 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7057 = private unnamed_addr constant [6 x i8] c"false\00"
 @.str.7058 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7059 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7059 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7060 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7061 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7061 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7062 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7063 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7064 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7063 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7064 = private unnamed_addr constant [3 x i8] c"[]\00"
 @.str.7065 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7066 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7067 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7066 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7067 = private unnamed_addr constant [2 x i8] c"[\00"
 @.str.7068 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7069 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7069 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7070 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7071 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7071 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7072 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7073 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7074 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7073 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7074 = private unnamed_addr constant [2 x i8] c"]\00"
 @.str.7075 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7076 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7077 = private unnamed_addr constant [9 x i8] c"a number\00"
+@.str.7076 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7077 = private unnamed_addr constant [3 x i8] c"{}\00"
 @.str.7078 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7079 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7080 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7081 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
-@.str.7082 = private unnamed_addr constant [8 x i8] c"a value\00"
+@.str.7079 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7080 = private unnamed_addr constant [2 x i8] c"{\00"
+@.str.7081 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7082 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7083 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7084 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7084 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
 @.str.7085 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7086 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7087 = private unnamed_addr constant [16 x i8] c"a key in quotes\00"
-@.str.7088 = private unnamed_addr constant [4 x i8] c"':'\00"
+@.str.7086 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7087 = private unnamed_addr constant [28 x i8] c"used .out on a null pointer\00"
+@.str.7088 = private unnamed_addr constant [2 x i8] c"}\00"
 @.str.7089 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7090 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7091 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7092 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7093 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7094 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7095 = private unnamed_addr constant [11 x i8] c"',' or '}'\00"
-@.str.7096 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7097 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7098 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7099 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7100 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7101 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7102 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
-@.str.7103 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
-@.str.7104 = private unnamed_addr constant [11 x i8] c"',' or ']'\00"
-@.str.7105 = private unnamed_addr constant [5 x i8] c"true\00"
-@.str.7106 = private unnamed_addr constant [6 x i8] c"false\00"
-@.str.7107 = private unnamed_addr constant [5 x i8] c"null\00"
-@.str.7108 = private unnamed_addr constant [8 x i8] c"a value\00"
-@.str.7109 = private unnamed_addr constant [20 x i8] c"the end of the text\00"
+@.str.7090 = private unnamed_addr constant [36 x i8] c"no arm of this match fits the value\00"
+@.str.7091 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7092 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7093 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7094 = private unnamed_addr constant [3 x i8] c"  \00"
+@.str.7095 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7096 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7097 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7098 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7099 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7100 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7101 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7102 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7103 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7104 = private unnamed_addr constant [6 x i8] c"line \00"
+@.str.7105 = private unnamed_addr constant [10 x i8] c", column \00"
+@.str.7106 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7107 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7108 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7109 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7110 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7111 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7112 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7113 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7114 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7115 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7116 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7117 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7118 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7119 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7120 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7121 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7122 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7123 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7124 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7125 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7126 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7127 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7128 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7129 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7130 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7131 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7132 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7133 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7134 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7135 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7136 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7137 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7138 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7139 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7140 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7141 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7142 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7143 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7144 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7145 = private unnamed_addr constant [27 x i8] c"json: the text ends where \00"
+@.str.7146 = private unnamed_addr constant [13 x i8] c" should be (\00"
+@.str.7147 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7148 = private unnamed_addr constant [14 x i8] c"json: found '\00"
+@.str.7149 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7150 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7151 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7152 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7153 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7154 = private unnamed_addr constant [9 x i8] c"' where \00"
+@.str.7155 = private unnamed_addr constant [13 x i8] c" should be (\00"
+@.str.7156 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7157 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7158 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7159 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7160 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7161 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7162 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7163 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7164 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7165 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7166 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7167 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7168 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.7169 = private unnamed_addr constant [2 x i8] c"'\00"
+@.str.7170 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7171 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7172 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7173 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7174 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7175 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7176 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7177 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7178 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7179 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7180 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7181 = private unnamed_addr constant [20 x i8] c"a hexadecimal digit\00"
+@.str.7182 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7183 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7184 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7185 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7186 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7187 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7188 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7189 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7190 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7191 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7192 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7193 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7194 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7195 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7196 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7197 = private unnamed_addr constant [31 x i8] c"json: a text is never closed (\00"
+@.str.7198 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7199 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7200 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7201 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7202 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7203 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7204 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7205 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7206 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7207 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7208 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7209 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7210 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7211 = private unnamed_addr constant [1 x i8] c"\00"
+@.str.7212 = private unnamed_addr constant [56 x i8] c"json: a line break or control character inside a text (\00"
+@.str.7213 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7214 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7215 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7216 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7217 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7218 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7219 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7220 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7221 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7222 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7223 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7224 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7225 = private unnamed_addr constant [2 x i8] c"\0A\00"
+@.str.7226 = private unnamed_addr constant [2 x i8] c"\09\00"
+@.str.7227 = private unnamed_addr constant [2 x i8] c"\0D\00"
+@.str.7228 = private unnamed_addr constant [3 x i8] c"\5Cu\00"
+@.str.7229 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7230 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7231 = private unnamed_addr constant [23 x i8] c"json: unknown escape \5C\00"
+@.str.7232 = private unnamed_addr constant [13 x i8] c" in a text (\00"
+@.str.7233 = private unnamed_addr constant [2 x i8] c")\00"
+@.str.7234 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7235 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7236 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7237 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7238 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7239 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7240 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7241 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7242 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7243 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7244 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7245 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7246 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7247 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7248 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7249 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7250 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7251 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7252 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7253 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7254 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7255 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7256 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7257 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7258 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7259 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7260 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7261 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7262 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7263 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7264 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7265 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7266 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7267 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7268 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7269 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7270 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7271 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7272 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7273 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7274 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7275 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7276 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7277 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7278 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7279 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7280 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7281 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7282 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7283 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7284 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7285 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7286 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7287 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7288 = private unnamed_addr constant [9 x i8] c"a number\00"
+@.str.7289 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7290 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7291 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7292 = private unnamed_addr constant [28 x i8] c"used .src on a null pointer\00"
+@.str.7293 = private unnamed_addr constant [8 x i8] c"a value\00"
+@.str.7294 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7295 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7296 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7297 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7298 = private unnamed_addr constant [16 x i8] c"a key in quotes\00"
+@.str.7299 = private unnamed_addr constant [4 x i8] c"':'\00"
+@.str.7300 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7301 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7302 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7303 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7304 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7305 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7306 = private unnamed_addr constant [11 x i8] c"',' or '}'\00"
+@.str.7307 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7308 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7309 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7310 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7311 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7312 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7313 = private unnamed_addr constant [22 x i8] c"build/../std/json.fch\00"
+@.str.7314 = private unnamed_addr constant [26 x i8] c"used .i on a null pointer\00"
+@.str.7315 = private unnamed_addr constant [11 x i8] c"',' or ']'\00"
+@.str.7316 = private unnamed_addr constant [5 x i8] c"true\00"
+@.str.7317 = private unnamed_addr constant [6 x i8] c"false\00"
+@.str.7318 = private unnamed_addr constant [5 x i8] c"null\00"
+@.str.7319 = private unnamed_addr constant [8 x i8] c"a value\00"
+@.str.7320 = private unnamed_addr constant [20 x i8] c"the end of the text\00"
+@.str.7321 = private unnamed_addr constant [19 x i8] c"runtime/finch_rt.c\00"
+@.str.7322 = private unnamed_addr constant [13 x i8] c"std/json.fch\00"
+@.str.7323 = private unnamed_addr constant [13 x i8] c"std/path.fch\00"
+@.str.7324 = private unnamed_addr constant [13 x i8] c"std/proc.fch\00"
+@.str.7325 = private unnamed_addr constant [21 x i8] c"std/proc_windows.fch\00"
+@.str.7326 = private unnamed_addr constant [13 x i8] c"std/time.fch\00"
+@.str.7327 = private unnamed_addr constant [21 x i8] c"std/time_windows.fch\00"
+@.str.7328 = private unnamed_addr constant [16 x i8] c"std/finch_win.h\00"
+@.str.7329 = private unnamed_addr constant [24982 x i8] c"// The Finch runtime: string and array helpers, input, files and runtime errors.\0A// It is embedded in the compiler, compiled once into a cache folder, and linked\0A// statically into every Finch program. Everything here is plain C with no state.\0A//\0A// Layout shared with the compiler (src/codegen.cpp):\0A//   str  = { char *ptr; int64 len; int64 cap }   ptr is always NUL-terminated\0A//          cap > 0  : heap memory owned by the value (cap bytes allocated)\0A//          cap == 0 : a string literal, valid forever, never written to\0A//          cap == -1: borrowed from C, must be copied before it is kept\0A//   []T  = { T *ptr;   int64 len; int64 cap }    owns ptr when cap > 0\0A//   map[K]V: see \22maps\22 below\0A\0A#include <ctype.h>\0A#include <errno.h>\0A#include <stdarg.h>\0A#include <stdint.h>\0A#include <stdio.h>\0A#include <stdlib.h>\0A#include <string.h>\0A#ifndef _WIN32\0A#include <sys/wait.h>\0A#endif\0A\0Atypedef struct {\0A    char *ptr;\0A    int64_t len;\0A    int64_t cap;\0A} FStr;\0A\0Atypedef struct {\0A    void *ptr;\0A    int64_t len;\0A    int64_t cap;\0A} FArr;\0A\0Astatic char empty[1] = \22\22;\0A\0A// ---------- runtime errors ----------\0A\0A// A program that loads Finch libraries (finch build --shared) can take runtime errors over\0A// instead of the process exiting: finch_module_on_fatal(handler) in each library. The handler\0A// gets the message and must not return (longjmp out, or exit itself).\0Astatic void (*fatal_hook)(const char *msg);\0Avoid finch_on_fatal(void (*hook)(const char *msg)) { fatal_hook = hook; }\0A\0Astatic __attribute__((noreturn)) void fatal(const char *msg) {\0A    if (fatal_hook) fatal_hook(msg);\0A    fflush(stdout);\0A    fprintf(stderr, \22%s\5Cn\22, msg);\0A    exit(1);\0A}\0A\0A__attribute__((noreturn, cold)) void finch_panic(const char *file, int64_t line, const char *msg) {\0A    char full[1024];\0A    snprintf(full, sizeof full, \22%s:%lld: runtime error: %s\22, file, (long long)line, msg);\0A    fflush(stdout);\0A    fatal(full);\0A}\0A\0A__attribute__((noreturn, cold)) void finch_panic_index(const char *file, int64_t line, int64_t i, int64_t len) {\0A    char msg[128];\0A    snprintf(msg, sizeof msg, \22index %lld is out of range (the length is %lld)\22, (long long)i, (long long)len);\0A    finch_panic(file, line, msg);\0A}\0A\0Astatic void *must(void *p) {\0A    if (!p) {\0A        fflush(stdout);\0A        fatal(\22runtime error: out of memory\22);\0A    }\0A    return p;\0A}\0A\0Avoid *finch_alloc(int64_t n) { return must(malloc(n ? (size_t)n : 1)); }\0Avoid *finch_zalloc(int64_t n) { return must(calloc(1, n ? (size_t)n : 1)); }\0A\0A// ---------- strings ----------\0A\0Astatic void str_heap(FStr *out, const char *p, int64_t len) {\0A    char *m = finch_alloc(len + 1);\0A    if (len) memcpy(m, p, (size_t)len);\0A    m[len] = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Astatic void str_static(FStr *out, const char *lit) {\0A    out->ptr = (char *)lit;\0A    out->len = (int64_t)strlen(lit);\0A    out->cap = 0;\0A}\0A\0A// A copy that can be kept: literals are shared, everything else is duplicated.\0Avoid finch_str_copy(FStr *out, const FStr *s) {\0A    if (s->cap == 0) *out = *s;\0A    else str_heap(out, s->ptr, s->len);\0A}\0A\0A// Make `s` writable (before s[i] = c).\0Avoid finch_str_own(FStr *s) {\0A    if (s->cap > 0) return;\0A    FStr t;\0A    str_heap(&t, s->ptr, s->len);\0A    *s = t;\0A}\0A\0Avoid finch_str_drop(FStr *s) {\0A    if (s->cap > 0) free(s->ptr);\0A}\0A\0Avoid finch_str_from_c(FStr *out, const char *p) {\0A    if (!p) {\0A        str_static(out, empty);\0A        return;\0A    }\0A    out->ptr = (char *)p;\0A    out->len = (int64_t)strlen(p);\0A    out->cap = -1;\0A}\0A\0Avoid finch_str_concat(FStr *out, const FStr *a, const FStr *b) {\0A    int64_t len = a->len + b->len;\0A    char *m = finch_alloc(len + 1);\0A    memcpy(m, a->ptr, (size_t)a->len);\0A    memcpy(m + a->len, b->ptr, (size_t)b->len);\0A    m[len] = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Aint finch_str_eq(const FStr *a, const FStr *b) {\0A    return a->len == b->len && memcmp(a->ptr, b->ptr, (size_t)a->len) == 0;\0A}\0A\0Aint64_t finch_str_cmp(const FStr *a, const FStr *b) {\0A    int64_t n = a->len < b->len ? a->len : b->len;\0A    int c = memcmp(a->ptr, b->ptr, (size_t)n);\0A    if (c) return c < 0 ? -1 : 1;\0A    return a->len < b->len ? -1 : a->len > b->len;\0A}\0A\0Avoid finch_str_from_int(FStr *out, int64_t v) {\0A    char buf[32];\0A    int n = snprintf(buf, sizeof buf, \22%lld\22, (long long)v);\0A    str_heap(out, buf, n);\0A}\0A\0Avoid finch_str_from_uint(FStr *out, uint64_t v) {\0A    char buf[32];\0A    int n = snprintf(buf, sizeof buf, \22%llu\22, (unsigned long long)v);\0A    str_heap(out, buf, n);\0A}\0A\0Avoid finch_str_from_float(FStr *out, double v) {\0A    char buf[64];\0A    int n = snprintf(buf, sizeof buf, \22%g\22, v);\0A    str_heap(out, buf, n);\0A}\0A\0Avoid finch_str_from_char(FStr *out, char c) { str_heap(out, &c, 1); }\0A\0Avoid finch_str_from_bool(FStr *out, int b) { str_static(out, b ? \22true\22 : \22false\22); }\0A\0Astatic void number_error(char *msg, size_t size, const FStr *s, const char *kind) {\0A    snprintf(msg, size, \22can't turn \5C\22%.*s\5C\22 into %s\22, (int)(s->len > 100 ? 100 : s->len), s->ptr ? s->ptr : \22\22, kind);\0A}\0A\0Astatic int parse_int(const FStr *s, int64_t *out) {\0A    const char *p = s->ptr ? s->ptr : \22\22;\0A    while (isspace((unsigned char)*p)) p++;\0A    char *end;\0A    errno = 0;\0A    long long v = strtoll(p, &end, 10);\0A    while (isspace((unsigned char)*end)) end++;\0A    *out = v;\0A    return !(end == p || *end || errno == ERANGE);\0A}\0A\0Astatic int parse_float(const FStr *s, double *out) {\0A    const char *p = s->ptr ? s->ptr : \22\22;\0A    while (isspace((unsigned char)*p)) p++;\0A    char *end;\0A    double v = strtod(p, &end);\0A    while (isspace((unsigned char)*end)) end++;\0A    *out = v;\0A    return !(end == p || *end);\0A}\0A\0Aint64_t finch_str_to_int(const FStr *s, const char *file, int64_t line) {\0A    int64_t v;\0A    if (!parse_int(s, &v)) {\0A        char msg[200];\0A        number_error(msg, sizeof msg, s, \22int\22);\0A        finch_panic(file, line, msg);\0A    }\0A    return v;\0A}\0A\0Adouble finch_str_to_float(const FStr *s, const char *file, int64_t line) {\0A    double v;\0A    if (!parse_float(s, &v)) {\0A        char msg[200];\0A        number_error(msg, sizeof msg, s, \22float\22);\0A        finch_panic(file, line, msg);\0A    }\0A    return v;\0A}\0A\0A// ---------- errors as values: int(s) or 0, try read_file(p) ... ----------\0A// Each gives back 1 on success; on failure 0, with the message in *err.\0A\0Astatic void set_error(FStr *err, const char *msg) { str_heap(err, msg, (int64_t)strlen(msg)); }\0A\0Aint finch_str_try_int(const FStr *s, int64_t *out, FStr *err) {\0A    if (parse_int(s, out)) return 1;\0A    char msg[200];\0A    number_error(msg, sizeof msg, s, \22int\22);\0A    set_error(err, msg);\0A    *out = 0;\0A    return 0;\0A}\0A\0Aint finch_str_try_float(const FStr *s, double *out, FStr *err) {\0A    if (parse_float(s, out)) return 1;\0A    char msg[200];\0A    number_error(msg, sizeof msg, s, \22float\22);\0A    set_error(err, msg);\0A    *out = 0;\0A    return 0;\0A}\0A\0Astatic void file_error(FStr *err, const char *what, const FStr *path) {\0A    char msg[300];\0A    snprintf(msg, sizeof msg, \22can't %s the file \5C\22%.*s\5C\22: %s\22, what, (int)(path->len > 200 ? 200 : path->len),\0A             path->ptr ? path->ptr : \22\22, strerror(errno));\0A    set_error(err, msg);\0A}\0A\0A// when `fn main() -> !` fails\0Avoid finch_report_error(const FStr *msg) {\0A    fflush(stdout);\0A    fprintf(stderr, \22error: %.*s\5Cn\22, (int)msg->len, msg->ptr ? msg->ptr : \22\22);\0A}\0A\0Avoid finch_str_sub(FStr *out, const FStr *s, int64_t start, int64_t end, const char *file, int64_t line) {\0A    if (start < 0 || end > s->len || start > end) {\0A        char msg[160];\0A        snprintf(msg, sizeof msg, \22sub(%lld, %lld) is out of range (the length is %lld)\22, (long long)start,\0A                 (long long)end, (long long)s->len);\0A        finch_panic(file, line, msg);\0A    }\0A    str_heap(out, s->ptr + start, end - start);\0A}\0A\0Aint64_t finch_str_find(const FStr *s, const FStr *t) {\0A    if (t->len == 0) return 0;\0A    for (int64_t i = 0; i + t->len <= s->len; i++)\0A        if (s->ptr[i] == t->ptr[0] && memcmp(s->ptr + i, t->ptr, (size_t)t->len) == 0) return i;\0A    return -1;\0A}\0A\0Aint finch_str_starts(const FStr *s, const FStr *t) {\0A    return t->len <= s->len && memcmp(s->ptr, t->ptr, (size_t)t->len) == 0;\0A}\0A\0Aint finch_str_ends(const FStr *s, const FStr *t) {\0A    return t->len <= s->len && memcmp(s->ptr + s->len - t->len, t->ptr, (size_t)t->len) == 0;\0A}\0A\0Avoid finch_str_trim(FStr *out, const FStr *s) {\0A    int64_t a = 0, b = s->len;\0A    while (a < b && isspace((unsigned char)s->ptr[a])) a++;\0A    while (b > a && isspace((unsigned char)s->ptr[b - 1])) b--;\0A    str_heap(out, s->ptr + a, b - a);\0A}\0A\0Avoid finch_str_upper(FStr *out, const FStr *s) {\0A    str_heap(out, s->ptr, s->len);\0A    for (int64_t i = 0; i < out->len; i++) out->ptr[i] = (char)toupper((unsigned char)out->ptr[i]);\0A}\0A\0Avoid finch_str_lower(FStr *out, const FStr *s) {\0A    str_heap(out, s->ptr, s->len);\0A    for (int64_t i = 0; i < out->len; i++) out->ptr[i] = (char)tolower((unsigned char)out->ptr[i]);\0A}\0A\0Avoid finch_str_replace(FStr *out, const FStr *s, const FStr *from, const FStr *to) {\0A    if (from->len == 0) {\0A        str_heap(out, s->ptr, s->len);\0A        return;\0A    }\0A    int64_t count = 0;\0A    for (int64_t i = 0; i + from->len <= s->len;) {\0A        if (memcmp(s->ptr + i, from->ptr, (size_t)from->len) == 0) {\0A            count++;\0A            i += from->len;\0A        } else {\0A            i++;\0A        }\0A    }\0A    int64_t len = s->len + count * (to->len - from->len);\0A    char *m = finch_alloc(len + 1), *w = m;\0A    for (int64_t i = 0; i < s->len;) {\0A        if (i + from->len <= s->len && memcmp(s->ptr + i, from->ptr, (size_t)from->len) == 0) {\0A            memcpy(w, to->ptr, (size_t)to->len);\0A            w += to->len;\0A            i += from->len;\0A        } else {\0A            *w++ = s->ptr[i++];\0A        }\0A    }\0A    *w = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Astatic void arr_push_str(FArr *a, const char *p, int64_t len);\0A\0A// \22a,b,,c\22.split(\22,\22) -> [\22a\22, \22b\22, \22\22, \22c\22]; split(\22\22) gives single characters.\0Avoid finch_str_split(FArr *out, const FStr *s, const FStr *sep) {\0A    out->ptr = NULL;\0A    out->len = out->cap = 0;\0A    if (sep->len == 0) {\0A        for (int64_t i = 0; i < s->len; i++) arr_push_str(out, s->ptr + i, 1);\0A        return;\0A    }\0A    int64_t start = 0;\0A    for (int64_t i = 0; i + sep->len <= s->len;) {\0A        if (memcmp(s->ptr + i, sep->ptr, (size_t)sep->len) == 0) {\0A            arr_push_str(out, s->ptr + start, i - start);\0A            i += sep->len;\0A            start = i;\0A        } else {\0A            i++;\0A        }\0A    }\0A    arr_push_str(out, s->ptr + start, s->len - start);\0A}\0A\0Avoid finch_str_join(FStr *out, const FArr *parts, const FStr *sep) {\0A    const FStr *p = parts->ptr;\0A    int64_t len = 0;\0A    for (int64_t i = 0; i < parts->len; i++) len += p[i].len + (i ? sep->len : 0);\0A    char *m = finch_alloc(len + 1), *w = m;\0A    for (int64_t i = 0; i < parts->len; i++) {\0A        if (i) {\0A            memcpy(w, sep->ptr, (size_t)sep->len);\0A            w += sep->len;\0A        }\0A        memcpy(w, p[i].ptr, (size_t)p[i].len);\0A        w += p[i].len;\0A    }\0A    *w = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Avoid finch_str_repeat(FStr *out, const FStr *s, int64_t n) {\0A    if (n < 0) n = 0;\0A    int64_t len = s->len * n;\0A    char *m = finch_alloc(len + 1);\0A    for (int64_t i = 0; i < n; i++) memcpy(m + i * s->len, s->ptr, (size_t)s->len);\0A    m[len] = 0;\0A    out->ptr = m;\0A    out->len = len;\0A    out->cap = len + 1;\0A}\0A\0Avoid finch_str_from_bytes(FStr *out, const FArr *bytes) { str_heap(out, bytes->ptr, bytes->len); }\0A\0A// ---------- building text: print(x) and str(x) of arrays, maps and structs ----------\0A// A buffer starts as an empty str and grows on the heap.\0A\0Avoid finch_buf_add(FStr *b, const char *p, int64_t n) {\0A    if (b->len + n + 1 > b->cap) {\0A        int64_t cap = b->cap > 0 ? b->cap * 2 : 32;\0A        while (cap < b->len + n + 1) cap *= 2;\0A        b->ptr = must(realloc(b->cap > 0 ? b->ptr : NULL, (size_t)cap));\0A        b->cap = cap;\0A    }\0A    if (n) memcpy(b->ptr + b->len, p, (size_t)n);\0A    b->len += n;\0A    b->ptr[b->len] = 0;\0A}\0A\0Astatic void buf_fmt(FStr *b, const char *fmt, ...) __attribute__((format(printf, 2, 3)));\0Astatic void buf_fmt(FStr *b, const char *fmt, ...) {\0A    char t[64];\0A    va_list ap;\0A    va_start(ap, fmt);\0A    int n = vsnprintf(t, sizeof t, fmt, ap);\0A    va_end(ap);\0A    finch_buf_add(b, t, n);\0A}\0A\0Avoid finch_buf_int(FStr *b, int64_t v) { buf_fmt(b, \22%lld\22, (long long)v); }\0Avoid finch_buf_uint(FStr *b, uint64_t v) { buf_fmt(b, \22%llu\22, (unsigned long long)v); }\0Avoid finch_buf_float(FStr *b, double v) { buf_fmt(b, \22%g\22, v); }\0Avoid finch_buf_bool(FStr *b, int v) { finch_buf_add(b, v ? \22true\22 : \22false\22, v ? 4 : 5); }\0Avoid finch_buf_ptr(FStr *b, const void *p) {\0A    if (p) buf_fmt(b, \220x%llx\22, (unsigned long long)(uintptr_t)p);\0A    else finch_buf_add(b, \22null\22, 4);\0A}\0A\0Avoid finch_buf_char(FStr *b, char c, int quoted) {\0A    if (quoted) finch_buf_add(b, \22'\22, 1);\0A    finch_buf_add(b, &c, 1);\0A    if (quoted) finch_buf_add(b, \22'\22, 1);\0A}\0A\0Avoid finch_buf_str(FStr *b, const FStr *s, int quoted) {\0A    if (quoted) finch_buf_add(b, \22\5C\22\22, 1);\0A    finch_buf_add(b, s->ptr, s->len);\0A    if (quoted) finch_buf_add(b, \22\5C\22\22, 1);\0A}\0A\0A// print the buffer and free it\0Avoid finch_buf_print(FStr *b) {\0A    if (b->len) fwrite(b->ptr, 1, (size_t)b->len, stdout);\0A    if (b->cap > 0) free(b->ptr);\0A}\0A\0A// ---------- arrays ----------\0A\0Avoid finch_arr_reserve(FArr *a, int64_t need, int64_t es) {\0A    if (need <= a->cap) return;\0A    int64_t cap = a->cap * 2;\0A    if (cap < 4) cap = 4;\0A    if (cap < need) cap = need;\0A    a->ptr = must(realloc(a->cap > 0 ? a->ptr : NULL, (size_t)(cap * es)));\0A    a->cap = cap;\0A}\0A\0Avoid finch_arr_make(FArr *out, int64_t len, int64_t es) {\0A    if (len < 0) len = 0;\0A    out->ptr = len ? finch_zalloc(len * es) : NULL;\0A    out->len = len;\0A    out->cap = len;\0A}\0A\0A// grow or shrink to `len`; new elements are zero\0Avoid finch_arr_resize(FArr *a, int64_t len, int64_t es) {\0A    if (len < 0) len = 0;\0A    finch_arr_reserve(a, len, es);\0A    if (len > a->len) memset((char *)a->ptr + a->len * es, 0, (size_t)((len - a->len) * es));\0A    a->len = len;\0A}\0A\0A// a byte-for-byte copy of the elements (the compiler deep-copies owning elements afterwards)\0Avoid finch_arr_clone_raw(FArr *out, const FArr *a, int64_t es) {\0A    out->len = a->len;\0A    out->cap = a->len;\0A    out->ptr = a->len ? finch_alloc(a->len * es) : NULL;\0A    if (a->len) memcpy(out->ptr, a->ptr, (size_t)(a->len * es));\0A}\0A\0Avoid finch_arr_free(FArr *a) {\0A    if (a->cap > 0) free(a->ptr);\0A}\0A\0A// open a hole at i (0 <= i <= len), len grows by one\0Avoid finch_arr_insert_gap(FArr *a, int64_t i, int64_t es, const char *file, int64_t line) {\0A    if (i < 0 || i > a->len) finch_panic_index(file, line, i, a->len);\0A    finch_arr_reserve(a, a->len + 1, es);\0A    char *p = a->ptr;\0A    memmove(p + (i + 1) * es, p + i * es, (size_t)((a->len - i) * es));\0A    a->len++;\0A}\0A\0A// close the hole at i (the element was already moved out), len shrinks by one\0Avoid finch_arr_remove_gap(FArr *a, int64_t i, int64_t es) {\0A    char *p = a->ptr;\0A    memmove(p + i * es, p + (i + 1) * es, (size_t)((a->len - i - 1) * es));\0A    a->len--;\0A}\0A\0Astatic void arr_push_str(FArr *a, const char *p, int64_t len) {\0A    finch_arr_reserve(a, a->len + 1, (int64_t)sizeof(FStr));\0A    str_heap((FStr *)a->ptr + a->len, p, len);\0A    a->len++;\0A}\0A\0Avoid finch_bytes_from_str(FArr *out, const FStr *s) {\0A    out->len = out->cap = s->len;\0A    out->ptr = s->len ? finch_alloc(s->len) : NULL;\0A    if (s->len) memcpy(out->ptr, s->ptr, (size_t)s->len);\0A}\0A\0A// ---------- program arguments, input and files ----------\0A\0Avoid finch_args(FArr *out, int argc, char **argv) {\0A    out->len = out->cap = argc;\0A    out->ptr = finch_alloc((int64_t)sizeof(FStr) * (argc ? argc : 1));\0A    for (int i = 0; i < argc; i++) str_heap((FStr *)out->ptr + i, argv[i], (int64_t)strlen(argv[i]));\0A}\0A\0A// input(\22Name? \22) prints the prompt and reads one line, without the newline.\0Avoid finch_input(FStr *out, const FStr *prompt) {\0A    if (prompt->len) fwrite(prompt->ptr, 1, (size_t)prompt->len, stdout);\0A    fflush(stdout);\0A    // read one line of any length (getline isn't available everywhere)\0A    size_t size = 128, n = 0;\0A    char *line = finch_alloc((int64_t)size);\0A    int c, got = 0;\0A    while ((c = fgetc(stdin)) != EOF) {\0A        got = 1;\0A        if (c == '\5Cn') break;\0A        if (n + 1 >= size) line = must(realloc(line, size *= 2));\0A        line[n++] = (char)c;\0A    }\0A    if (!got) {\0A        free(line);\0A        str_static(out, empty);\0A        return;\0A    }\0A    while (n > 0 && line[n - 1] == '\5Cr') n--;\0A    line[n] = 0;\0A    out->ptr = line;\0A    out->len = (int64_t)n;\0A    out->cap = (int64_t)size;\0A}\0A\0Aint finch_file_exists(const FStr *path) {\0A    FILE *f = fopen(path->ptr, \22rb\22);\0A    if (f) fclose(f);\0A    return f != NULL;\0A}\0A\0Aint finch_try_read_file(FStr *out, const FStr *path, FStr *err) {\0A    FILE *f = fopen(path->ptr ? path->ptr : \22\22, \22rb\22);\0A    if (!f) {\0A        file_error(err, \22read\22, path);\0A        return 0;\0A    }\0A    fseek(f, 0, SEEK_END);\0A    long size = ftell(f);\0A    fseek(f, 0, SEEK_SET);\0A    char *m = finch_alloc(size + 1);\0A    size_t got = fread(m, 1, (size_t)size, f);\0A    fclose(f);\0A    m[got] = 0;\0A    out->ptr = m;\0A    out->len = (int64_t)got;\0A    out->cap = size + 1;\0A    return 1;\0A}\0A\0Avoid finch_read_file(FStr *out, const FStr *path, const char *file, int64_t line) {\0A    FILE *f = fopen(path->ptr ? path->ptr : \22\22, \22rb\22);\0A    if (!f) {\0A        char msg[300];\0A        snprintf(msg, sizeof msg, \22can't read the file \5C\22%.*s\5C\22: %s\22, (int)(path->len > 200 ? 200 : path->len),\0A                 path->ptr, strerror(errno));\0A        finch_panic(file, line, msg);\0A    }\0A    fseek(f, 0, SEEK_END);\0A    long size = ftell(f);\0A    fseek(f, 0, SEEK_SET);\0A    char *m = finch_alloc(size + 1);\0A    size_t got = fread(m, 1, (size_t)size, f);\0A    fclose(f);\0A    m[got] = 0;\0A    out->ptr = m;\0A    out->len = (int64_t)got;\0A    out->cap = size + 1;\0A}\0A\0A// shell(\22ls -l\22): run a command, give back its exit code\0Aint64_t finch_shell(const FStr *cmd) {\0A    fflush(stdout);\0A    int status = system(cmd->ptr ? cmd->ptr : \22\22);\0A#ifdef _WIN32\0A    return status;  // Windows gives the exit code directly\0A#else\0A    if (status == -1) return -1;\0A    if (WIFEXITED(status)) return WEXITSTATUS(status);\0A    return 128 + (WIFSIGNALED(status) ? WTERMSIG(status) : 0);\0A#endif\0A}\0A\0Aint finch_delete_file(const FStr *path) { return remove(path->ptr ? path->ptr : \22\22) == 0; }\0A\0Aint finch_try_delete_file(const FStr *path, FStr *err) {\0A    if (remove(path->ptr ? path->ptr : \22\22) == 0) return 1;\0A    file_error(err, \22delete\22, path);\0A    return 0;\0A}\0A\0A// stdin/stdout/stderr are macros on some systems (Windows), so Finch asks for them here\0Avoid *finch_std_stream(int i) { return i == 0 ? (void *)stdin : i == 1 ? (void *)stdout : (void *)stderr; }\0A\0Aint finch_write_file(const FStr *path, const FStr *text) {\0A    FILE *f = fopen(path->ptr ? path->ptr : \22\22, \22wb\22);\0A    if (!f) return 0;\0A    size_t put = text->len ? fwrite(text->ptr, 1, (size_t)text->len, f) : 0;\0A    return fclose(f) == 0 && put == (size_t)text->len;\0A}\0A\0Aint finch_try_write_file(const FStr *path, const FStr *text, FStr *err) {\0A    errno = 0;\0A    if (finch_write_file(path, text)) return 1;\0A    if (!errno) errno = EIO;\0A    file_error(err, \22write\22, path);\0A    return 0;\0A}\0A\0A// ---------- maps ----------\0A// map[K]V = { entries; len; used; cap; index; icap; adds }\0A//   entries: `used` slots of es bytes, each { uint64 hash; K key; V value }, in insertion order.\0A//            A removed entry keeps its slot (hash 0) until the next resize packs the slots.\0A//   index:   icap slots (a power of two, at least 2 * cap): -1 empty, -2 removed, else an entry number.\0A//   adds:    how many keys were ever added; a `for` over the map stops with an error if it changes.\0A// The compiler stores, copies and drops keys and values; the runtime only finds and places entries.\0A// Keys are compared byte for byte (numbers, chars, bools) or as text (kstr).\0A\0Atypedef struct {\0A    char *entries;\0A    int64_t len, used, cap;\0A    int64_t *index;\0A    int64_t icap;\0A    int64_t adds;\0A} FMap;\0A\0Astatic uint64_t map_hash(const void *key, int64_t ks, int kstr) {\0A    const unsigned char *p;\0A    size_t n;\0A    if (kstr) {\0A        const FStr *s = key;\0A        p = (const unsigned char *)s->ptr;\0A        n = (size_t)s->len;\0A    } else {\0A        p = key;\0A        n = (size_t)ks;\0A    }\0A    uint64_t h = 1469598103934665603ULL;  // FNV-1a, then mixed so the low bits spread well\0A    for (size_t i = 0; i < n; i++) {\0A        h ^= p[i];\0A        h *= 1099511628211ULL;\0A    }\0A    h ^= h >> 31;\0A    h *= 0xbf58476d1ce4e5b9ULL;\0A    h ^= h >> 29;\0A    return h | 1;  // 0 marks a removed entry\0A}\0A\0Astatic int map_key_eq(const char *a, const void *b, int64_t ks, int kstr) {\0A    if (!kstr) return memcmp(a, b, (size_t)ks) == 0;\0A    const FStr *x = (const FStr *)a, *y = b;\0A    return x->len == y->len && (x->len == 0 || memcmp(x->ptr, y->ptr, (size_t)x->len) == 0);\0A}\0A\0Astatic void map_reindex(FMap *m, int64_t es) {\0A    if (m->len != m->used) {  // pack the slots of removed entries away\0A        int64_t j = 0;\0A        for (int64_t i = 0; i < m->used; i++) {\0A            char *e = m->entries + i * es;\0A            if (*(uint64_t *)e == 0) continue;\0A            if (i != j) memmove(m->entries + j * es, e, (size_t)es);\0A            j++;\0A        }\0A        m->used = j;\0A    }\0A    int64_t icap = 16;\0A    while (icap < m->cap * 2) icap *= 2;\0A    free(m->index);\0A    m->index = finch_alloc(icap * (int64_t)sizeof(int64_t));\0A    memset(m->index, 0xff, (size_t)icap * sizeof(int64_t));\0A    m->icap = icap;\0A    for (int64_t i = 0; i < m->used; i++) {\0A        uint64_t h = *(uint64_t *)(m->entries + i * es);\0A        int64_t s = (int64_t)(h & (uint64_t)(icap - 1));\0A        while (m->index[s] != -1) s = (s + 1) & (icap - 1);\0A        m->index[s] = i;\0A    }\0A}\0A\0A// the entry number of `key`, or -1\0Aint64_t finch_map_find(const FMap *m, const void *key, int64_t es, int64_t ks, int32_t kstr) {\0A    if (m->len == 0) return -1;\0A    uint64_t h = map_hash(key, ks, kstr);\0A    for (int64_t s = (int64_t)(h & (uint64_t)(m->icap - 1));; s = (s + 1) & (m->icap - 1)) {\0A        int64_t i = m->index[s];\0A        if (i == -1) return -1;\0A        if (i < 0) continue;\0A        char *e = m->entries + i * es;\0A        if (*(uint64_t *)e == h && map_key_eq(e + 8, key, ks, kstr)) return i;\0A    }\0A}\0A\0A// The entry for `key`. A new one is zeroed except its hash (*added = 1); the compiler then stores the key.\0Aint64_t finch_map_slot(FMap *m, const void *key, int64_t es, int64_t ks, int32_t kstr, int32_t *added) {\0A    int64_t i = finch_map_find(m, key, es, ks, kstr);\0A    *added = i < 0;\0A    if (i >= 0) return i;\0A    if (m->used == m->cap) {\0A        if (m->len * 4 < m->cap * 3) {  // many removed slots: pack them instead of growing\0A            map_reindex(m, es);\0A        } else {\0A            m->cap = m->cap ? m->cap * 2 : 8;\0A            m->entries = must(realloc(m->entries, (size_t)(m->cap * es)));\0A            map_reindex(m, es);\0A        }\0A    }\0A    uint64_t h = map_hash(key, ks, kstr);\0A    i = m->used++;\0A    char *e = m->entries + i * es;\0A    memset(e, 0, (size_t)es);\0A    *(uint64_t *)e = h;\0A    int64_t s = (int64_t)(h & (uint64_t)(m->icap - 1));\0A    while (m->index[s] >= 0) s = (s + 1) & (m->icap - 1);\0A    m->index[s] = i;\0A    m->len++;\0A    m->adds++;\0A    return i;\0A}\0A\0A// Forget entry i (its key and value were already dropped by the compiler).\0Avoid finch_map_remove_at(FMap *m, int64_t i, int64_t es) {\0A    char *e = m->entries + i * es;\0A    uint64_t h = *(uint64_t *)e;\0A    int64_t s = (int64_t)(h & (uint64_t)(m->icap - 1));\0A    while (m->index[s] != i) s = (s + 1) & (m->icap - 1);\0A    m->index[s] = -2;\0A    *(uint64_t *)e = 0;\0A    if (--m->len == 0) {\0A        m->used = 0;\0A        memset(m->index, 0xff, (size_t)m->icap * sizeof(int64_t));\0A    }\0A}\0A\0Avoid finch_map_clear(FMap *m) {\0A    m->len = m->used = 0;\0A    if (m->index) memset(m->index, 0xff, (size_t)m->icap * sizeof(int64_t));\0A}\0A\0Avoid finch_map_free(FMap *m) {\0A    free(m->entries);\0A    free(m->index);\0A}\0A\0A// A copy of the slots and the index; the compiler then copies the keys and values that own memory.\0Avoid finch_map_clone_raw(FMap *out, const FMap *m, int64_t es) {\0A    *out = *m;\0A    if (!m->cap) return;\0A    out->entries = finch_alloc(m->cap * es);\0A    memcpy(out->entries, m->entries, (size_t)(m->used * es));\0A    out->index = finch_alloc(m->icap * (int64_t)sizeof(int64_t));\0A    memcpy(out->index, m->index, (size_t)m->icap * sizeof(int64_t));\0A}\0A\0A__attribute__((noreturn, cold)) void finch_map_changed(const char *file, int64_t line) {\0A    finch_panic(file, line, \22a key was added to the map while looping over it (collect the new keys, and add them after the loop)\22);\0A}\0A\0A__attribute__((noreturn, cold)) void finch_map_missing(const char *file, int64_t line, const FStr *key) {\0A    char msg[200];\0A    snprintf(msg, sizeof msg, \22the key %.*s is not in the map (check with .has(key), or use .get(key, default))\22,\0A             (int)(key->len > 100 ? 100 : key->len), key->ptr ? key->ptr : \22\22);\0A    finch_panic(file, line, msg);\0A}\0A\00"
+@.str.7330 = private unnamed_addr constant [12885 x i8] c"// JSON: read it, build it, write it.\0A//\0A//   import json\0A//\0A//   doc := try json.parse(\22{\5C\22name\5C\22: \5C\22Finch\5C\22, \5C\22tags\5C\22: [\5C\22fast\5C\22, \5C\22small\5C\22], \5C\22stars\5C\22: 5}\22)\0A//   print(doc.get(\22name\22).str_or(\22\22))             Finch\0A//   print(doc.get(\22tags\22).at(1).str_or(\22\22))       small\0A//   print(doc.get(\22stars\22).int_or(0))             5\0A//   print(doc.get(\22missing\22).is_null())           true       (a missing key is null, so chains never fail)\0A//\0A//   out := json.new_object()\0A//   out.set(\22ok\22, json.new_bool(true))\0A//   list := json.new_list()\0A//   list.push(json.new_number(1.5))\0A//   out.set(\22values\22, list)\0A//   print(json.stringify(out))                    {\22ok\22:true,\22values\22:[1.5]}\0A//   print(json.pretty(out))                       the same, over several lines\0A\0Aenum Kind { Null, Bool, Number, Text, List, Object }\0A\0A// One JSON value. `kind` says which of the other fields it uses: flag for Bool, num for Number,\0A// text for Text, items for List, and items with keys (the same length, in the same order) for Object.\0Astruct Json {\0A    Kind kind\0A    bool flag\0A    float num\0A    str text\0A    []Json items\0A    []str keys\0A}\0A\0Afn new_null() -> Json {\0A    return Json(kind: Kind.Null)\0A}\0A\0Afn new_bool(bool b) -> Json {\0A    return Json(kind: Kind.Bool, flag: b)\0A}\0A\0Afn new_number(float n) -> Json {\0A    return Json(kind: Kind.Number, num: n)\0A}\0A\0Afn new_text(str s) -> Json {\0A    return Json(kind: Kind.Text, text: s)\0A}\0A\0Afn new_list() -> Json {\0A    return Json(kind: Kind.List)\0A}\0A\0Afn new_object() -> Json {\0A    return Json(kind: Kind.Object)\0A}\0A\0A// ---------- looking inside ----------\0A\0Afn Json.is_null() -> bool {\0A    return self.kind == Kind.Null\0A}\0A\0A// the number of elements of a list, of keys of an object, of bytes of a text; 0 for the rest\0Afn Json.len() -> int {\0A    return match self.kind {\0A        List, Object -> self.items.len\0A        Text -> self.text.len\0A        else -> 0\0A    }\0A}\0A\0Afn Json.has(str key) -> bool {\0A    return self.kind == Kind.Object && self.keys.contains(key)\0A}\0A\0A// the value of a key of an object; null if there is none (or this is not an object)\0Afn Json.get(str key) -> Json {\0A    if self.kind != Kind.Object {\0A        return new_null()\0A    }\0A    i := self.keys.find(key)\0A    if i < 0 {\0A        return new_null()\0A    }\0A    return self.items[i]\0A}\0A\0A// the element of a list; null if there is none\0Afn Json.at(int i) -> Json {\0A    if self.kind != Kind.List || i < 0 || i >= self.items.len {\0A        return new_null()\0A    }\0A    return self.items[i]\0A}\0A\0A// the value if it is of that kind, else what was given\0Afn Json.str_or(str fallback) -> str {\0A    if self.kind == Kind.Text {\0A        return self.text\0A    }\0A    return fallback\0A}\0A\0Afn Json.float_or(float fallback) -> float {\0A    if self.kind == Kind.Number {\0A        return self.num\0A    }\0A    return fallback\0A}\0A\0Afn Json.int_or(int fallback) -> int {\0A    if self.kind == Kind.Number {\0A        return int(self.num)\0A    }\0A    return fallback\0A}\0A\0Afn Json.bool_or(bool fallback) -> bool {\0A    if self.kind == Kind.Bool {\0A        return self.flag\0A    }\0A    return fallback\0A}\0A\0A// the keys of an object, in the order they were written\0Afn Json.names() -> []str {\0A    return self.keys\0A}\0A\0A// ---------- building ----------\0A\0A// add to the end of a list\0Afn Json.push(Json v) {\0A    self.items.push(v)\0A}\0A\0A// give a key a value in an object; a key that is already there is replaced\0Afn Json.set(str key, Json v) {\0A    i := self.keys.find(key)\0A    if i >= 0 {\0A        self.items[i] = v\0A        return\0A    }\0A    self.keys.push(key)\0A    self.items.push(v)\0A}\0A\0A// ---------- writing ----------\0A\0Afn quote(str s) -> str {\0A    []str parts = [\22\5C\22\22]\0A    for c in s {\0A        n := int(c)\0A        if c == '\22' {\0A            parts.push(\22\5C\5C\5C\22\22)\0A        } else if c == '\5C\5C' {\0A            parts.push(\22\5C\5C\5C\5C\22)\0A        } else if c == '\5Cn' {\0A            parts.push(\22\5C\5Cn\22)\0A        } else if c == '\5Cr' {\0A            parts.push(\22\5C\5Cr\22)\0A        } else if c == '\5Ct' {\0A            parts.push(\22\5C\5Ct\22)\0A        } else if n < 32 {\0A            parts.push(\22\5C\5Cu00\22 + hexdigit(n / 16) + hexdigit(n % 16))\0A        } else {\0A            parts.push(str(c))\0A        }\0A    }\0A    parts.push(\22\5C\22\22)\0A    return parts.join(\22\22)\0A}\0A\0Afn hexdigit(int n) -> str {\0A    digits := \220123456789abcdef\22\0A    return str(digits[n])\0A}\0A\0Afn number_text(float n) -> str {\0A    if n == float(int(n)) && n > -1000000000000000.0 && n < 1000000000000000.0 {\0A        return str(int(n))\0A    }\0A    return str(n)\0A}\0A\0Astruct Writer {\0A    []str out\0A}\0A\0Afn write(Json j, str indent, str pad, ptr[Writer] w) {\0A    nl := \22\22\0A    inner := \22\22\0A    sep := \22,\22\0A    colon := \22:\22\0A    if indent.len > 0 {\0A        nl = \22\5Cn\22\0A        inner = pad + indent\0A        colon = \22: \22\0A    }\0A    match j.kind {\0A        Null -> w.out.push(\22null\22)\0A        Bool -> {\0A            if j.flag {\0A                w.out.push(\22true\22)\0A            } else {\0A                w.out.push(\22false\22)\0A            }\0A        }\0A        Number -> w.out.push(number_text(j.num))\0A        Text -> w.out.push(quote(j.text))\0A        List -> {\0A            if j.items.len == 0 {\0A                w.out.push(\22[]\22)\0A                return\0A            }\0A            w.out.push(\22[\22 + nl)\0A            for i, item in j.items {\0A                if i > 0 {\0A                    w.out.push(sep + nl)\0A                }\0A                w.out.push(inner)\0A                write(item, indent, inner, w)\0A            }\0A            w.out.push(nl + pad + \22]\22)\0A        }\0A        Object -> {\0A            if j.items.len == 0 {\0A                w.out.push(\22{}\22)\0A                return\0A            }\0A            w.out.push(\22{\22 + nl)\0A            for i, item in j.items {\0A                if i > 0 {\0A                    w.out.push(sep + nl)\0A                }\0A                w.out.push(inner + quote(j.keys[i]) + colon)\0A                write(item, indent, inner, w)\0A            }\0A            w.out.push(nl + pad + \22}\22)\0A        }\0A    }\0A}\0A\0A// the value as text on one line\0Afn stringify(Json j) -> str {\0A    w := Writer()\0A    write(j, \22\22, \22\22, addr(w))\0A    return w.out.join(\22\22)\0A}\0A\0A// the value as text over several lines, indented by two spaces\0Afn pretty(Json j) -> str {\0A    w := Writer()\0A    write(j, \22  \22, \22\22, addr(w))\0A    return w.out.join(\22\22)\0A}\0A\0A// ---------- reading ----------\0A\0Astruct Reader {\0A    str src\0A    int i\0A}\0A\0A// the line and column of a position, for a message\0Afn where(ptr[Reader] r) -> str {\0A    line := 1\0A    col := 1\0A    for k in 0..r.i {\0A        if k < r.src.len && r.src[k] == '\5Cn' {\0A            line += 1\0A            col = 1\0A        } else {\0A            col += 1\0A        }\0A    }\0A    return \22line \22 + str(line) + \22, column \22 + str(col)\0A}\0A\0Afn peek(ptr[Reader] r) -> char {\0A    if r.i < r.src.len {\0A        return r.src[r.i]\0A    }\0A    return char(0)\0A}\0A\0Afn skip_space(ptr[Reader] r) {\0A    while r.i < r.src.len && (r.src[r.i] == ' ' || r.src[r.i] == '\5Cn' || r.src[r.i] == '\5Ct' || r.src[r.i] == '\5Cr') {\0A        r.i += 1\0A    }\0A}\0A\0Afn unexpected(ptr[Reader] r, str wanted) -> str {\0A    if r.i >= r.src.len {\0A        return \22json: the text ends where \22 + wanted + \22 should be (\22 + where(r) + \22)\22\0A    }\0A    return \22json: found '\22 + str(r.src[r.i]) + \22' where \22 + wanted + \22 should be (\22 + where(r) + \22)\22\0A}\0A\0A// does `word` come next?\0Afn comes(ptr[Reader] r, str word) -> bool {\0A    return r.src.len - r.i >= word.len && r.src.sub(r.i, r.i + word.len) == word\0A}\0A\0Afn expect_word(ptr[Reader] r, str word) -> ! {\0A    if !comes(r, word) {\0A        return error(unexpected(r, \22'\22 + word + \22'\22))\0A    }\0A    r.i += word.len\0A}\0A\0Afn hex_value(char c) -> int {\0A    if c >= '0' && c <= '9' {\0A        return int(c) - int('0')\0A    }\0A    if c >= 'a' && c <= 'f' {\0A        return int(c) - int('a') + 10\0A    }\0A    if c >= 'A' && c <= 'F' {\0A        return int(c) - int('A') + 10\0A    }\0A    return -1\0A}\0A\0A// a code point as UTF-8\0Afn utf8(int cp) -> str {\0A    []u8 b\0A    if cp < 128 {\0A        b.push(u8(cp))\0A    } else if cp < 2048 {\0A        b.push(u8(192 + cp / 64))\0A        b.push(u8(128 + cp % 64))\0A    } else if cp < 65536 {\0A        b.push(u8(224 + cp / 4096))\0A        b.push(u8(128 + (cp / 64) % 64))\0A        b.push(u8(128 + cp % 64))\0A    } else {\0A        b.push(u8(240 + cp / 262144))\0A        b.push(u8(128 + (cp / 4096) % 64))\0A        b.push(u8(128 + (cp / 64) % 64))\0A        b.push(u8(128 + cp % 64))\0A    }\0A    return str(b)\0A}\0A\0Afn read_hex4(ptr[Reader] r) -> int! {\0A    n := 0\0A    for k in 0..4 {\0A        if r.i >= r.src.len || hex_value(r.src[r.i]) < 0 {\0A            return error(unexpected(r, \22a hexadecimal digit\22))\0A        }\0A        n = n * 16 + hex_value(r.src[r.i])\0A        r.i += 1\0A    }\0A    return n\0A}\0A\0Afn read_string(ptr[Reader] r) -> str! {\0A    r.i += 1                    // the opening quote\0A    []str parts\0A    start := r.i\0A    while true {\0A        if r.i >= r.src.len {\0A            return error(\22json: a text is never closed (\22 + where(r) + \22)\22)\0A        }\0A        c := r.src[r.i]\0A        if c == '\22' {\0A            parts.push(r.src.sub(start, r.i))\0A            r.i += 1\0A            return parts.join(\22\22)\0A        }\0A        if int(c) < 32 {\0A            return error(\22json: a line break or control character inside a text (\22 + where(r) + \22)\22)\0A        }\0A        if c != '\5C\5C' {\0A            r.i += 1\0A            continue\0A        }\0A        parts.push(r.src.sub(start, r.i))\0A        r.i += 1\0A        e := peek(r)\0A        r.i += 1\0A        if e == 'n' {\0A            parts.push(\22\5Cn\22)\0A        } else if e == 't' {\0A            parts.push(\22\5Ct\22)\0A        } else if e == 'r' {\0A            parts.push(\22\5Cr\22)\0A        } else if e == 'b' {\0A            parts.push(utf8(8))\0A        } else if e == 'f' {\0A            parts.push(utf8(12))\0A        } else if e == '\22' || e == '\5C\5C' || e == '/' {\0A            parts.push(str(e))\0A        } else if e == 'u' {\0A            cp := try read_hex4(r)\0A            // a pair of \F0\9F\98\80 stands for one character above U+FFFF\0A            if cp >= 55296 && cp < 56320 && comes(r, \22\5C\5Cu\22) {\0A                r.i += 2\0A                low := try read_hex4(r)\0A                cp = 65536 + (cp - 55296) * 1024 + (low - 56320)\0A            }\0A            parts.push(utf8(cp))\0A        } else {\0A            return error(\22json: unknown escape \5C\5C\22 + str(e) + \22 in a text (\22 + where(r) + \22)\22)\0A        }\0A        start = r.i\0A    }\0A}\0A\0Afn read_number(ptr[Reader] r) -> Json! {\0A    start := r.i\0A    if peek(r) == '-' {\0A        r.i += 1\0A    }\0A    while r.i < r.src.len && ((r.src[r.i] >= '0' && r.src[r.i] <= '9') || r.src[r.i] == '.' || r.src[r.i] == 'e' || r.src[r.i] == 'E' || r.src[r.i] == '+' || r.src[r.i] == '-') {\0A        r.i += 1\0A    }\0A    n := float(r.src.sub(start, r.i)) or {\0A        r.i = start\0A        return error(unexpected(r, \22a number\22))\0A    }\0A    return new_number(n)\0A}\0A\0Afn read_value(ptr[Reader] r) -> Json! {\0A    skip_space(r)\0A    c := peek(r)\0A    if r.i >= r.src.len {\0A        return error(unexpected(r, \22a value\22))\0A    }\0A    if c == '{' {\0A        obj := new_object()\0A        r.i += 1\0A        skip_space(r)\0A        if peek(r) == '}' {\0A            r.i += 1\0A            return obj\0A        }\0A        while true {\0A            skip_space(r)\0A            if peek(r) != '\22' {\0A                return error(unexpected(r, \22a key in quotes\22))\0A            }\0A            key := try read_string(r)\0A            skip_space(r)\0A            if peek(r) != ':' {\0A                return error(unexpected(r, \22':'\22))\0A            }\0A            r.i += 1\0A            v := try read_value(r)\0A            obj.set(key, v)\0A            skip_space(r)\0A            if peek(r) == ',' {\0A                r.i += 1\0A                continue\0A            }\0A            if peek(r) == '}' {\0A                r.i += 1\0A                return obj\0A            }\0A            return error(unexpected(r, \22',' or '}'\22))\0A        }\0A    }\0A    if c == '[' {\0A        list := new_list()\0A        r.i += 1\0A        skip_space(r)\0A        if peek(r) == ']' {\0A            r.i += 1\0A            return list\0A        }\0A        while true {\0A            v := try read_value(r)\0A            list.push(v)\0A            skip_space(r)\0A            if peek(r) == ',' {\0A                r.i += 1\0A                continue\0A            }\0A            if peek(r) == ']' {\0A                r.i += 1\0A                return list\0A            }\0A            return error(unexpected(r, \22',' or ']'\22))\0A        }\0A    }\0A    if c == '\22' {\0A        s := try read_string(r)\0A        return new_text(s)\0A    }\0A    if c == 't' {\0A        try expect_word(r, \22true\22)\0A        return new_bool(true)\0A    }\0A    if c == 'f' {\0A        try expect_word(r, \22false\22)\0A        return new_bool(false)\0A    }\0A    if c == 'n' {\0A        try expect_word(r, \22null\22)\0A        return new_null()\0A    }\0A    if c == '-' || (c >= '0' && c <= '9') {\0A        return try read_number(r)\0A    }\0A    return error(unexpected(r, \22a value\22))\0A}\0A\0A// the JSON in `text`; an error with the line and column where it went wrong\0Afn parse(str text) -> Json! {\0A    r := Reader(src: text)\0A    v := try read_value(addr(r))\0A    skip_space(addr(r))\0A    if r.i < r.src.len {\0A        return error(unexpected(addr(r), \22the end of the text\22))\0A    }\0A    return v\0A}\0A\00"
+@.str.7331 = private unnamed_addr constant [2847 x i8] c"// Paths, as text. Elements are separated by \22/\22.\0A//\0A//   import path\0A//   path.join(\22a\22, \22b.txt\22)        a/b.txt\0A//   path.base(\22/tmp/x/a.tar.gz\22)   a.tar.gz       path.stem(...)  a.tar       path.ext(...)  .gz\0A//   path.dir(\22/tmp/x/a.txt\22)       /tmp/x\0A//   path.clean(\22a//b/../c/./d\22)    a/c/d\0A\0A// a and b with one separator between; an absolute b replaces a\0Afn join(str a, str b) -> str {\0A    if a.len == 0 {\0A        return b\0A    }\0A    if b.len == 0 {\0A        return a\0A    }\0A    if b[0] == '/' {\0A        return b\0A    }\0A    if a[a.len - 1] == '/' {\0A        return a + b\0A    }\0A    return a + \22/\22 + b\0A}\0A\0Afn is_abs(str p) -> bool {\0A    return p.len > 0 && p[0] == '/'\0A}\0A\0A// the last element: \22a/b.txt\22 -> \22b.txt\22, \22a/b/\22 -> \22b\22, \22\22 -> \22.\22, \22/\22 -> \22/\22\0Afn base(str p) -> str {\0A    if p.len == 0 {\0A        return \22.\22\0A    }\0A    end := p.len\0A    while end > 1 && p[end - 1] == '/' {\0A        end -= 1\0A    }\0A    if end == 1 && p[0] == '/' {\0A        return \22/\22\0A    }\0A    start := end\0A    while start > 0 && p[start - 1] != '/' {\0A        start -= 1\0A    }\0A    return p.sub(start, end)\0A}\0A\0A// everything before the last element: \22a/b.txt\22 -> \22a\22, \22b.txt\22 -> \22.\22, \22/b\22 -> \22/\22\0Afn dir(str p) -> str {\0A    end := p.len\0A    while end > 1 && p[end - 1] == '/' {\0A        end -= 1\0A    }\0A    i := end\0A    while i > 0 && p[i - 1] != '/' {\0A        i -= 1\0A    }\0A    if i == 0 {\0A        return \22.\22\0A    }\0A    while i > 1 && p[i - 1] == '/' {\0A        i -= 1\0A    }\0A    return p.sub(0, i)\0A}\0A\0A// the part of the last element from its last dot: \22a.tar.gz\22 -> \22.gz\22; \22\22 when there is none\0Afn ext(str p) -> str {\0A    b := base(p)\0A    i := b.len\0A    while i > 0 && b[i - 1] != '.' {\0A        i -= 1\0A    }\0A    if i <= 1 {                 // no dot, or a name that only starts with one (.bashrc)\0A        return \22\22\0A    }\0A    return b.sub(i - 1, b.len)\0A}\0A\0A// the last element without its extension\0Afn stem(str p) -> str {\0A    b := base(p)\0A    e := ext(p)\0A    return b.sub(0, b.len - e.len)\0A}\0A\0A// the elements of a path: \22/a/b/c\22 -> [\22a\22, \22b\22, \22c\22]\0Afn parts(str p) -> []str {\0A    []str out\0A    for piece in p.split(\22/\22) {\0A        if piece.len > 0 {\0A            out.push(piece)\0A        }\0A    }\0A    return out\0A}\0A\0A// the shortest path with the same meaning: no \22//\22, no \22.\22, and \22..\22 resolved where it can be\0Afn clean(str p) -> str {\0A    if p.len == 0 {\0A        return \22.\22\0A    }\0A    abs := is_abs(p)\0A    []str out\0A    for piece in parts(p) {\0A        if piece == \22.\22 {\0A            continue\0A        }\0A        if piece == \22..\22 {\0A            if out.len > 0 && out[out.len - 1] != \22..\22 {\0A                out.pop()\0A            } else if !abs {\0A                out.push(\22..\22)\0A            }\0A            continue\0A        }\0A        out.push(piece)\0A    }\0A    joined := out.join(\22/\22)\0A    if abs {\0A        return \22/\22 + joined\0A    }\0A    if joined.len == 0 {\0A        return \22.\22\0A    }\0A    return joined\0A}\0A\00"
+@.str.7332 = private unnamed_addr constant [1407 x i8] c"// Programs: run a command, read what it printed, look at the environment.\0A//\0A//   import proc\0A//   code := proc.run(\22make\22)                  the exit code; what the command prints goes to the screen\0A//   text := try proc.output(\22git describe\22)   what the command printed; an error if it failed\0A//   proc.env(\22HOME\22, \22/\22)                     an environment variable, or the second value if it is not set\0Aimport \22stdlib.h\22\0Aimport \22unistd.h\22\0Aimport \22time.h\22\0A\0A// run a command; its output goes to the screen. Gives its exit code.\0Afn run(str command) -> int {\0A    return shell(command)\0A}\0A\0A// run a command and give what it printed. Fails, with its output as the message, if it exits with an error.\0Afn output(str command) -> str! {\0A    tmp := \22/tmp/finch_out_\22 + str(getpid()) + \22_\22 + str(int(time(null)))\0A    code := shell(\22(\22 + command + \22) > '\22 + tmp + \22' 2>&1\22)\0A    text := read_file(tmp) or \22\22\0A    delete_file(tmp)\0A    if code != 0 {\0A        return error(\22'\22 + command + \22' exited with code \22 + str(code) + \22: \22 + text.trim())\0A    }\0A    return text\0A}\0A\0Afn env(str name, str fallback) -> str {\0A    v := getenv(name)\0A    if v.len == 0 {\0A        return fallback\0A    }\0A    return v\0A}\0A\0Afn pid() -> int {\0A    return int(getpid())\0A}\0A\0A// the folder the program is running in\0Afn cwd() -> str {\0A    []char buf\0A    for i in 0..4096 {\0A        buf.push(char(0))\0A    }\0A    getcwd(buf.ptr, 4096)\0A    return str(buf.ptr)\0A}\0A\00"
+@.str.7333 = private unnamed_addr constant [996 x i8] c"// Programs, for Windows. The same functions as proc.fch (that file is for Linux and macOS).\0Aimport \22stdlib.h\22\0Aimport \22process.h\22\0Aimport \22direct.h\22\0Aimport \22time.h\22\0A\0Afn run(str command) -> int {\0A    return shell(command)\0A}\0A\0Afn output(str command) -> str! {\0A    tmp := proc_env(\22TEMP\22, \22.\22) + \22\5C\5Cfinch_out_\22 + str(getpid()) + \22_\22 + str(int(time(null)))\0A    code := shell(command + \22 > \5C\22\22 + tmp + \22\5C\22 2>&1\22)\0A    text := read_file(tmp) or \22\22\0A    delete_file(tmp)\0A    if code != 0 {\0A        return error(\22'\22 + command + \22' exited with code \22 + str(code) + \22: \22 + text.trim())\0A    }\0A    return text\0A}\0A\0Afn proc_env(str name, str fallback) -> str {\0A    v := getenv(name)\0A    if v.len == 0 {\0A        return fallback\0A    }\0A    return v\0A}\0A\0Afn env(str name, str fallback) -> str {\0A    return proc_env(name, fallback)\0A}\0A\0Afn pid() -> int {\0A    return int(getpid())\0A}\0A\0Afn cwd() -> str {\0A    []char buf\0A    for i in 0..4096 {\0A        buf.push(char(0))\0A    }\0A    getcwd(buf.ptr, 4096)\0A    return str(buf.ptr)\0A}\0A\00"
+@.str.7334 = private unnamed_addr constant [2540 x i8] c"// Time: the clock, sleeping, and dates.\0A//\0A//   import time\0A//   start := time.millis()          milliseconds from a clock that only goes forward (to measure with)\0A//   time.sleep(250)                 wait a quarter of a second\0A//   time.now()                      seconds since 1970-01-01 00:00 UTC\0A//   d := time.date(time.now())      the parts: d.year, d.month, d.day, d.hour, d.minute, d.second\0A//   time.format(time.now(), \22%Y-%m-%d %H:%M\22)      as text, in the computer's time zone\0Aimport \22time.h\22\0A\0Astruct Date {\0A    int year\0A    int month       // 1 to 12\0A    int day         // 1 to 31\0A    int hour\0A    int minute\0A    int second\0A    int weekday     // 0 is Sunday\0A    int yearday     // 1 to 366\0A}\0A\0A// seconds since 1970-01-01 00:00 UTC\0Afn now() -> int {\0A    return int(time(null))\0A}\0A\0A// milliseconds on a clock that only goes forward: for measuring how long something took\0Afn millis() -> int {\0A    timespec ts\0A    clock_gettime(CLOCK_MONOTONIC, addr(ts))\0A    return int(ts.tv_sec) * 1000 + int(ts.tv_nsec) / 1000000\0A}\0A\0Afn sleep(int ms) {\0A    timespec ts\0A    ts.tv_sec = ms / 1000\0A    ts.tv_nsec = (ms % 1000) * 1000000\0A    nanosleep(addr(ts), null)\0A}\0A\0Afn parts(tm t) -> Date {\0A    return Date(year: int(t.tm_year) + 1900, month: int(t.tm_mon) + 1, day: int(t.tm_mday), hour: int(t.tm_hour),\0A                minute: int(t.tm_min), second: int(t.tm_sec), weekday: int(t.tm_wday), yearday: int(t.tm_yday) + 1)\0A}\0A\0A// the date and time of a moment, in UTC\0Afn date(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    gmtime_r(addr(stamp), addr(t))\0A    return parts(t)\0A}\0A\0A// the date and time of a moment, in the computer's time zone\0Afn local(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    localtime_r(addr(stamp), addr(t))\0A    return parts(t)\0A}\0A\0A// a moment as text, in the computer's time zone: %Y year, %m month, %d day, %H hour, %M minute, %S second\0A// (the rest of C's strftime works too: %A weekday name, %B month name, ...)\0Afn format(int unix, str pattern) -> str {\0A    tm t\0A    i64 stamp = unix\0A    localtime_r(addr(stamp), addr(t))\0A    []char buf\0A    for i in 0..256 {\0A        buf.push(char(0))\0A    }\0A    strftime(buf.ptr, 256, pattern, addr(t))\0A    return str(buf.ptr)\0A}\0A\0A// the number of days in a month (month is 1 to 12)\0Afn days_in_month(int year, int month) -> int {\0A    if month == 2 {\0A        if year % 4 == 0 && (year % 100 != 0 || year % 400 == 0) {\0A            return 29\0A        }\0A        return 28\0A    }\0A    if month == 4 || month == 6 || month == 9 || month == 11 {\0A        return 30\0A    }\0A    return 31\0A}\0A\00"
+@.str.7335 = private unnamed_addr constant [1793 x i8] c"// Time, for Windows. The same functions as time.fch (that file is for Linux and macOS).\0Aimport \22time.h\22\0Aimport \22finch_win.h\22\0A\0Astruct Date {\0A    int year\0A    int month       // 1 to 12\0A    int day         // 1 to 31\0A    int hour\0A    int minute\0A    int second\0A    int weekday     // 0 is Sunday\0A    int yearday     // 1 to 366\0A}\0A\0Afn now() -> int {\0A    return int(time(null))\0A}\0A\0A// milliseconds on a clock that only goes forward (the performance counter: GetTickCount64 ticks every 15 ms)\0Afn millis() -> int {\0A    i64 count = 0\0A    i64 freq = 1\0A    QueryPerformanceFrequency(addr(freq))\0A    QueryPerformanceCounter(addr(count))\0A    return int(count / freq) * 1000 + int(count % freq) * 1000 / int(freq)\0A}\0A\0Afn sleep(int ms) {\0A    Sleep(u32(ms))\0A}\0A\0Afn parts(tm t) -> Date {\0A    return Date(year: int(t.tm_year) + 1900, month: int(t.tm_mon) + 1, day: int(t.tm_mday), hour: int(t.tm_hour),\0A                minute: int(t.tm_min), second: int(t.tm_sec), weekday: int(t.tm_wday), yearday: int(t.tm_yday) + 1)\0A}\0A\0Afn date(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    _gmtime64_s(addr(t), addr(stamp))\0A    return parts(t)\0A}\0A\0Afn local(int unix) -> Date {\0A    tm t\0A    i64 stamp = unix\0A    _localtime64_s(addr(t), addr(stamp))\0A    return parts(t)\0A}\0A\0Afn format(int unix, str pattern) -> str {\0A    tm t\0A    i64 stamp = unix\0A    _localtime64_s(addr(t), addr(stamp))\0A    []char buf\0A    for i in 0..256 {\0A        buf.push(char(0))\0A    }\0A    strftime(buf.ptr, 256, pattern, addr(t))\0A    return str(buf.ptr)\0A}\0A\0Afn days_in_month(int year, int month) -> int {\0A    if month == 2 {\0A        if year % 4 == 0 && (year % 100 != 0 || year % 400 == 0) {\0A            return 29\0A        }\0A        return 28\0A    }\0A    if month == 4 || month == 6 || month == 9 || month == 11 {\0A        return 30\0A    }\0A    return 31\0A}\0A\00"
+@.str.7336 = private unnamed_addr constant [366 x i8] c"/* The Windows functions std/time_windows.fch needs. Declared here, not by including <windows.h>:\0A   libclang can't parse that header with MinGW's intrinsics. Both are in kernel32. */\0Aunsigned long long GetTickCount64(void);\0Avoid Sleep(unsigned long milliseconds);\0Aint QueryPerformanceCounter(long long *count);\0Aint QueryPerformanceFrequency(long long *frequency);\0A\00"
 
 declare void @finch_panic(ptr, i64, ptr) noreturn cold
 declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold
 declare ptr @finch_alloc(i64)
 declare void @finch_str_copy(ptr, ptr)
+declare void @finch_str_drop(ptr)
+declare void @finch_arr_free(ptr)
+declare void @finch_map_free(ptr)
 declare void @finch_str_own(ptr)
 declare void @finch_str_concat(ptr, ptr, ptr)
 declare i32 @finch_str_eq(ptr, ptr)
@@ -7360,7 +7592,7 @@ logic.rhs5:
   %t11 = icmp uge i64 %t8, %t10
   br i1 %t11, label %range7, label %inrange8
 range7:
-  call void @finch_panic_index(ptr @.str.1, i64 20, i64 %t8, i64 %t10)
+  call void @finch_panic_index(ptr @.str.1, i64 22, i64 %t8, i64 %t10)
   unreachable
 inrange8:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
@@ -7388,7 +7620,7 @@ endif12:
   %t21 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t21, ptr %a22
   %t24 = load i64, ptr %a5
-  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.3, i64 26)
+  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.3, i64 28)
   %t25 = load { ptr, i64, i64 }, ptr %a23
   ret { ptr, i64, i64 } %t25
 }
@@ -7398,85 +7630,91 @@ entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca i64, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca i64, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
   %t5 = load { ptr, i64, i64 }, ptr %a1
   %t6 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t5)
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
-  %t8 = add i64 %t7, 1
-  %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t10 = load i64, ptr %t9
-  call void @finch_str_sub(ptr %a4, ptr %a3, i64 %t8, i64 %t10, ptr @.str.4, i64 30)
-  %t11 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t11, ptr %a12
-  %t13 = load { ptr, i64, i64 }, ptr %a1
-  %t14 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t13)
-  store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.5, i64 1, i64 0 }, ptr %a16
-  %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
-  %t18 = icmp ne i32 %t17, 0
+  store { ptr, i64, i64 } %t6, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = add i64 %t7, 1
+  %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t11 = load i64, ptr %t10
+  call void @finch_str_sub(ptr %a4, ptr %a3, i64 %t9, i64 %t11, ptr @.str.4, i64 32)
+  %t12 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t12, ptr %a13
+  %t14 = load { ptr, i64, i64 }, ptr %a1
+  %t15 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t14)
+  store { ptr, i64, i64 } %t15, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.5, i64 1, i64 0 }, ptr %a17
+  %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
+  %t19 = icmp ne i32 %t18, 0
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
   br label %logic.from13
 logic.from13:
-  br i1 %t18, label %logic.rhs14, label %logic.end15
+  br i1 %t19, label %logic.rhs14, label %logic.end15
 logic.rhs14:
-  %t19 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.7, i64 2, i64 0 }, ptr %a22
-  %t23 = call i32 @finch_str_starts(ptr %a20, ptr %a22)
-  %t24 = icmp ne i32 %t23, 0
-  %t25 = xor i1 %t24, true
+  %t21 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t21, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.7, i64 2, i64 0 }, ptr %a24
+  %t25 = call i32 @finch_str_starts(ptr %a22, ptr %a24)
+  %t26 = icmp ne i32 %t25, 0
+  %t27 = xor i1 %t26, true
   br label %logic.rend16
 logic.rend16:
   br label %logic.end15
 logic.end15:
-  %t26 = phi i1 [ false, %logic.from13 ], [ %t25, %logic.rend16 ]
-  br i1 %t26, label %then17, label %endif19
+  %t28 = phi i1 [ false, %logic.from13 ], [ %t27, %logic.rend16 ]
+  br i1 %t28, label %then17, label %endif19
 then17:
-  %t27 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t27, ptr %a28
-  call void @finch_str_copy(ptr %a29, ptr %a28)
-  %t30 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t30, ptr %a12
+  %t29 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_copy(ptr %a31, ptr %a30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  %t33 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t32, ptr %a13
+  store { ptr, i64, i64 } %t33, ptr %a34
+  call void @finch_str_drop(ptr %a34)
   br label %endif19
 endif19:
-  %t31 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.9, i64 1, i64 0 }, ptr %a34
-  %t35 = call i64 @finch_str_find(ptr %a32, ptr %a34)
-  store i64 %t35, ptr %a36
-  %t37 = load i64, ptr %a36
-  %t38 = icmp sgt i64 %t37, 0
-  br i1 %t38, label %then20, label %endif22
+  %t35 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.9, i64 1, i64 0 }, ptr %a38
+  %t39 = call i64 @finch_str_find(ptr %a36, ptr %a38)
+  store i64 %t39, ptr %a40
+  %t41 = load i64, ptr %a40
+  %t42 = icmp sgt i64 %t41, 0
+  br i1 %t42, label %then20, label %endif22
 then20:
-  %t39 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t39, ptr %a40
-  %t42 = load i64, ptr %a36
-  call void @finch_str_sub(ptr %a41, ptr %a40, i64 0, i64 %t42, ptr @.str.10, i64 36)
-  %t43 = load { ptr, i64, i64 }, ptr %a41
-  ret { ptr, i64, i64 } %t43
-endif22:
-  %t44 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t44, ptr %a45
-  call void @finch_str_copy(ptr %a46, ptr %a45)
-  %t47 = load { ptr, i64, i64 }, ptr %a46
+  %t43 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t43, ptr %a44
+  %t46 = load i64, ptr %a40
+  call void @finch_str_sub(ptr %a45, ptr %a44, i64 0, i64 %t46, ptr @.str.10, i64 38)
+  %t47 = load { ptr, i64, i64 }, ptr %a45
+  call void @finch_str_drop(ptr %a13)
   ret { ptr, i64, i64 } %t47
+endif22:
+  %t48 = load { ptr, i64, i64 }, ptr %a13
+  ret { ptr, i64, i64 } %t48
 }
 
 define internal { ptr, i64, i64 } @finch.main.textOfFile(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -7498,7 +7736,7 @@ entry:
   %t4 = icmp eq ptr %t3, null
   br i1 %t4, label %panic23, label %ok24
 panic23:
-  call void @finch_panic(ptr @.str.11, i64 53, ptr @.str.12)
+  call void @finch_panic(ptr @.str.11, i64 55, ptr @.str.12)
   unreachable
 ok24:
   %t5 = getelementptr inbounds %S.main.Loader, ptr %t3, i32 0, i32 6
@@ -7539,7 +7777,7 @@ then30:
   %t26 = icmp eq ptr %t25, null
   br i1 %t26, label %panic33, label %ok34
 panic33:
-  call void @finch_panic(ptr @.str.13, i64 55, ptr @.str.14)
+  call void @finch_panic(ptr @.str.13, i64 57, ptr @.str.14)
   unreachable
 ok34:
   %t27 = getelementptr inbounds %S.main.Loader, ptr %t25, i32 0, i32 7
@@ -7549,20 +7787,20 @@ ok34:
   %t31 = icmp uge i64 %t28, %t30
   br i1 %t31, label %range35, label %inrange36
 range35:
-  call void @finch_panic_index(ptr @.str.15, i64 55, i64 %t28, i64 %t30)
+  call void @finch_panic_index(ptr @.str.15, i64 57, i64 %t28, i64 %t30)
   unreachable
 inrange36:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 %t28
   %t34 = load { ptr, i64, i64 }, ptr %t33
   store { ptr, i64, i64 } %t34, ptr %a35
-  call void @finch_read_file(ptr %a36, ptr %a35, ptr @.str.16, i64 55)
+  call void @finch_read_file(ptr %a36, ptr %a35, ptr @.str.16, i64 57)
   %t37 = load { ptr, i64, i64 }, ptr %a36
   ret { ptr, i64, i64 } %t37
 endif32:
   %t38 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t38, ptr %a39
-  call void @finch_read_file(ptr %a40, ptr %a39, ptr @.str.17, i64 57)
+  call void @finch_read_file(ptr %a40, ptr %a39, ptr @.str.17, i64 59)
   %t41 = load { ptr, i64, i64 }, ptr %a40
   ret { ptr, i64, i64 } %t41
 }
@@ -7575,151 +7813,189 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca i64, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca i64, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
   %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
   %a258 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
   %a276 = alloca { ptr, i64, i64 }, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
   %a290 = alloca { ptr, i64, i64 }, align 16
   %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -7728,388 +8004,505 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a7
   store { ptr, i64, i64 } { ptr @.str.18, i64 1, i64 0 }, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
-  %t9 = load { ptr, i64, i64 }, ptr %a6
-  %t10 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t9, ptr %a12
+  store { ptr, i64, i64 } %t5, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  %t10 = load { ptr, i64, i64 }, ptr %a6
+  %t11 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t10, ptr %a13
-  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.19, i64 4, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  store { ptr, i64, i64 } %t18, ptr %a19
-  %t20 = load { ptr, i64, i64 }, ptr %a2
-  %t21 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t20)
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.20, i64 1, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t25, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.21, i64 1, i64 0 }, ptr %a33
+  store { ptr, i64, i64 } %t11, ptr %a14
+  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
+  store { ptr, i64, i64 } %t10, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t16, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.19, i64 4, i64 0 }, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t21, ptr %a22
+  %t23 = load { ptr, i64, i64 }, ptr %a2
+  %t24 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t23)
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.20, i64 1, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t29, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic37, label %ok38
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.21, i64 1, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic37, label %ok38
 panic37:
-  call void @finch_panic(ptr @.str.22, i64 65, ptr @.str.23)
+  call void @finch_panic(ptr @.str.22, i64 67, ptr @.str.23)
   unreachable
 ok38:
-  %t37 = getelementptr inbounds %S.main.Loader, ptr %t35, i32 0, i32 3
-  %t38 = load { ptr, i64, i64 }, ptr %t37
-  store { ptr, i64, i64 } %t34, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.24, i64 4, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a47
-  %t48 = call i32 @finch_file_exists(ptr %a47)
-  %t49 = icmp ne i32 %t48, 0
-  br i1 %t49, label %then39, label %endif41
+  %t43 = getelementptr inbounds %S.main.Loader, ptr %t41, i32 0, i32 3
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } %t40, ptr %a46
+  store { ptr, i64, i64 } %t44, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  store { ptr, i64, i64 } %t40, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.24, i64 4, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t54, ptr %a55
+  %t56 = call i32 @finch_file_exists(ptr %a55)
+  store { ptr, i64, i64 } %t54, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = icmp ne i32 %t56, 0
+  br i1 %t58, label %then39, label %endif41
 then39:
-  %t50 = load { ptr, i64, i64 }, ptr %a2
-  %t51 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t50)
-  store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.25, i64 1, i64 0 }, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  %t56 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t55, ptr %a58
-  store { ptr, i64, i64 } %t56, ptr %a59
-  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
-  %t60 = load { ptr, i64, i64 }, ptr %a57
+  %t59 = load { ptr, i64, i64 }, ptr %a2
+  %t60 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t59)
   store { ptr, i64, i64 } %t60, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.26, i64 1, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.25, i64 1, i64 0 }, ptr %a63
   call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
-  %t64 = load { ptr, i64, i64 }, ptr %a61
-  %t65 = load ptr, ptr %a1
-  %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic42, label %ok43
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  %t66 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t65, ptr %a68
+  store { ptr, i64, i64 } %t66, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t65, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.26, i64 1, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  %t77 = load ptr, ptr %a1
+  %t78 = icmp eq ptr %t77, null
+  br i1 %t78, label %panic42, label %ok43
 panic42:
-  call void @finch_panic(ptr @.str.27, i64 66, ptr @.str.28)
+  call void @finch_panic(ptr @.str.27, i64 68, ptr @.str.28)
   unreachable
 ok43:
-  %t67 = getelementptr inbounds %S.main.Loader, ptr %t65, i32 0, i32 3
-  %t68 = load { ptr, i64, i64 }, ptr %t67
-  store { ptr, i64, i64 } %t64, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.29, i64 4, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  ret { ptr, i64, i64 } %t76
+  %t79 = getelementptr inbounds %S.main.Loader, ptr %t77, i32 0, i32 3
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t76, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t76, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.29, i64 4, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t90
 endif41:
-  %t77 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t79 = call i32 @finch_file_exists(ptr %a78)
-  %t80 = icmp ne i32 %t79, 0
-  br i1 %t80, label %then44, label %endif46
+  %t91 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t91, ptr %a92
+  %t93 = call i32 @finch_file_exists(ptr %a92)
+  %t94 = icmp ne i32 %t93, 0
+  br i1 %t94, label %then44, label %endif46
 then44:
-  %t81 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t81, ptr %a82
-  call void @finch_str_copy(ptr %a83, ptr %a82)
-  %t84 = load { ptr, i64, i64 }, ptr %a83
-  ret { ptr, i64, i64 } %t84
+  %t95 = load { ptr, i64, i64 }, ptr %a22
+  ret { ptr, i64, i64 } %t95
 endif46:
-  %t85 = load ptr, ptr %a1
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic47, label %ok48
+  %t96 = load ptr, ptr %a1
+  %t97 = icmp eq ptr %t96, null
+  br i1 %t97, label %panic47, label %ok48
 panic47:
-  call void @finch_panic(ptr @.str.30, i64 71, ptr @.str.31)
+  call void @finch_panic(ptr @.str.30, i64 73, ptr @.str.31)
   unreachable
 ok48:
-  %t87 = getelementptr inbounds %S.main.Loader, ptr %t85, i32 0, i32 5
-  store i64 0, ptr %a88
+  %t98 = getelementptr inbounds %S.main.Loader, ptr %t96, i32 0, i32 5
+  store i64 0, ptr %a99
   br label %each.cond49
 each.cond49:
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
-  %t90 = load i64, ptr %t89
-  %t91 = load i64, ptr %a88
-  %t92 = icmp slt i64 %t91, %t90
-  br i1 %t92, label %each.body50, label %each.end52
+  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
+  %t101 = load i64, ptr %t100
+  %t102 = load i64, ptr %a99
+  %t103 = icmp slt i64 %t102, %t101
+  br i1 %t103, label %each.body50, label %each.end52
 each.body50:
-  %t93 = load ptr, ptr %t87
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i64 %t91
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  store { ptr, i64, i64 } %t95, ptr %a96
-  %t97 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.32, i64 1, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t101, ptr %a104
-  store { ptr, i64, i64 } %t102, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t106, ptr %a108
-  store { ptr, i64, i64 } { ptr @.str.33, i64 1, i64 0 }, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  %t111 = load ptr, ptr %a1
-  %t112 = icmp eq ptr %t111, null
-  br i1 %t112, label %panic53, label %ok54
+  %t104 = load ptr, ptr %t98
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 %t102
+  %t106 = load { ptr, i64, i64 }, ptr %t105
+  store { ptr, i64, i64 } %t106, ptr %a107
+  %t108 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t108, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.32, i64 1, i64 0 }, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a109
+  %t113 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t112, ptr %a115
+  store { ptr, i64, i64 } %t113, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t112, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a114
+  store { ptr, i64, i64 } %t118, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.33, i64 1, i64 0 }, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  store { ptr, i64, i64 } %t118, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a119
+  %t124 = load ptr, ptr %a1
+  %t125 = icmp eq ptr %t124, null
+  br i1 %t125, label %panic53, label %ok54
 panic53:
-  call void @finch_panic(ptr @.str.34, i64 72, ptr @.str.35)
+  call void @finch_panic(ptr @.str.34, i64 74, ptr @.str.35)
   unreachable
 ok54:
-  %t113 = getelementptr inbounds %S.main.Loader, ptr %t111, i32 0, i32 3
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  store { ptr, i64, i64 } %t110, ptr %a116
-  store { ptr, i64, i64 } %t114, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  store { ptr, i64, i64 } %t118, ptr %a120
-  store { ptr, i64, i64 } { ptr @.str.36, i64 4, i64 0 }, ptr %a121
-  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
-  %t122 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t122, ptr %a123
-  %t124 = call i32 @finch_file_exists(ptr %a123)
-  %t125 = icmp ne i32 %t124, 0
-  br i1 %t125, label %then55, label %endif57
+  %t126 = getelementptr inbounds %S.main.Loader, ptr %t124, i32 0, i32 3
+  %t127 = load { ptr, i64, i64 }, ptr %t126
+  store { ptr, i64, i64 } %t123, ptr %a129
+  store { ptr, i64, i64 } %t127, ptr %a130
+  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
+  store { ptr, i64, i64 } %t123, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t132, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.36, i64 4, i64 0 }, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t132, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  store { ptr, i64, i64 } %t137, ptr %a138
+  %t139 = call i32 @finch_file_exists(ptr %a138)
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = icmp ne i32 %t139, 0
+  br i1 %t141, label %then55, label %endif57
 then55:
-  %t126 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.37, i64 1, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  %t131 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t130, ptr %a133
-  store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.38, i64 1, i64 0 }, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = load ptr, ptr %a1
-  %t141 = icmp eq ptr %t140, null
-  br i1 %t141, label %panic58, label %ok59
+  %t142 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t142, ptr %a144
+  store { ptr, i64, i64 } { ptr @.str.37, i64 1, i64 0 }, ptr %a145
+  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a143
+  %t147 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t146, ptr %a149
+  store { ptr, i64, i64 } %t147, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
+  store { ptr, i64, i64 } %t146, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.38, i64 1, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic58, label %ok59
 panic58:
-  call void @finch_panic(ptr @.str.39, i64 73, ptr @.str.40)
+  call void @finch_panic(ptr @.str.39, i64 75, ptr @.str.40)
   unreachable
 ok59:
-  %t142 = getelementptr inbounds %S.main.Loader, ptr %t140, i32 0, i32 3
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  store { ptr, i64, i64 } %t139, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t147, ptr %a149
-  store { ptr, i64, i64 } { ptr @.str.41, i64 4, i64 0 }, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  ret { ptr, i64, i64 } %t151
-endif57:
-  %t152 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t152, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.42, i64 1, i64 0 }, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  %t157 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t156, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  store { ptr, i64, i64 } %t161, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.43, i64 4, i64 0 }, ptr %a164
+  %t160 = getelementptr inbounds %S.main.Loader, ptr %t158, i32 0, i32 3
+  %t161 = load { ptr, i64, i64 }, ptr %t160
+  store { ptr, i64, i64 } %t157, ptr %a163
+  store { ptr, i64, i64 } %t161, ptr %a164
   call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t165, ptr %a166
-  %t167 = call i32 @finch_file_exists(ptr %a166)
-  %t168 = icmp ne i32 %t167, 0
-  br i1 %t168, label %then60, label %endif62
+  store { ptr, i64, i64 } %t157, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } %t166, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.41, i64 4, i64 0 }, ptr %a169
+  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
+  store { ptr, i64, i64 } %t166, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  %t171 = load { ptr, i64, i64 }, ptr %a167
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t171
+endif57:
+  %t172 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t172, ptr %a174
+  store { ptr, i64, i64 } { ptr @.str.42, i64 1, i64 0 }, ptr %a175
+  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
+  %t176 = load { ptr, i64, i64 }, ptr %a173
+  %t177 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t176, ptr %a179
+  store { ptr, i64, i64 } %t177, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  store { ptr, i64, i64 } %t176, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.43, i64 4, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  store { ptr, i64, i64 } %t187, ptr %a188
+  %t189 = call i32 @finch_file_exists(ptr %a188)
+  store { ptr, i64, i64 } %t187, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = icmp ne i32 %t189, 0
+  br i1 %t191, label %then60, label %endif62
 then60:
-  %t169 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.44, i64 1, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t173, ptr %a176
-  store { ptr, i64, i64 } %t174, ptr %a177
-  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } %t178, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.45, i64 4, i64 0 }, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  ret { ptr, i64, i64 } %t182
+  %t192 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t192, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.44, i64 1, i64 0 }, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  %t196 = load { ptr, i64, i64 }, ptr %a193
+  %t197 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t196, ptr %a199
+  store { ptr, i64, i64 } %t197, ptr %a200
+  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
+  store { ptr, i64, i64 } %t196, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = load { ptr, i64, i64 }, ptr %a198
+  store { ptr, i64, i64 } %t202, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.45, i64 4, i64 0 }, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a203
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t207
 endif62:
   br label %each.step51
 each.step51:
-  %t183 = load i64, ptr %a88
-  %t184 = add i64 %t183, 1
-  store i64 %t184, ptr %a88
+  %t208 = load i64, ptr %a99
+  %t209 = add i64 %t208, 1
+  store i64 %t209, ptr %a99
   br label %each.cond49
 each.end52:
-  %t185 = load ptr, ptr %a1
-  %t186 = icmp eq ptr %t185, null
-  br i1 %t186, label %panic63, label %ok64
+  %t210 = load ptr, ptr %a1
+  %t211 = icmp eq ptr %t210, null
+  br i1 %t211, label %panic63, label %ok64
 panic63:
-  call void @finch_panic(ptr @.str.46, i64 79, ptr @.str.47)
+  call void @finch_panic(ptr @.str.46, i64 81, ptr @.str.47)
   unreachable
 ok64:
-  %t187 = getelementptr inbounds %S.main.Loader, ptr %t185, i32 0, i32 4
-  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t187, i32 0, i32 1
-  %t189 = load i64, ptr %t188
-  %t190 = icmp sgt i64 %t189, 0
-  br i1 %t190, label %then65, label %endif67
+  %t212 = getelementptr inbounds %S.main.Loader, ptr %t210, i32 0, i32 4
+  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i32 0, i32 1
+  %t214 = load i64, ptr %t213
+  %t215 = icmp sgt i64 %t214, 0
+  br i1 %t215, label %then65, label %endif67
 then65:
-  %t191 = load ptr, ptr %a1
-  %t192 = icmp eq ptr %t191, null
-  br i1 %t192, label %panic68, label %ok69
+  %t216 = load ptr, ptr %a1
+  %t217 = icmp eq ptr %t216, null
+  br i1 %t217, label %panic68, label %ok69
 panic68:
-  call void @finch_panic(ptr @.str.48, i64 80, ptr @.str.49)
+  call void @finch_panic(ptr @.str.48, i64 82, ptr @.str.49)
   unreachable
 ok69:
-  %t193 = getelementptr inbounds %S.main.Loader, ptr %t191, i32 0, i32 4
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.50, i64 1, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t198, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.51, i64 1, i64 0 }, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = load ptr, ptr %a1
-  %t209 = icmp eq ptr %t208, null
-  br i1 %t209, label %panic70, label %ok71
+  %t218 = getelementptr inbounds %S.main.Loader, ptr %t216, i32 0, i32 4
+  %t219 = load { ptr, i64, i64 }, ptr %t218
+  store { ptr, i64, i64 } %t219, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.50, i64 1, i64 0 }, ptr %a222
+  call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a220
+  %t224 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t223, ptr %a226
+  store { ptr, i64, i64 } %t224, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t223, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  store { ptr, i64, i64 } %t229, ptr %a231
+  store { ptr, i64, i64 } { ptr @.str.51, i64 1, i64 0 }, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  store { ptr, i64, i64 } %t229, ptr %a233
+  call void @finch_str_drop(ptr %a233)
+  %t234 = load { ptr, i64, i64 }, ptr %a230
+  %t235 = load ptr, ptr %a1
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic70, label %ok71
 panic70:
-  call void @finch_panic(ptr @.str.52, i64 80, ptr @.str.53)
+  call void @finch_panic(ptr @.str.52, i64 82, ptr @.str.53)
   unreachable
 ok71:
-  %t210 = getelementptr inbounds %S.main.Loader, ptr %t208, i32 0, i32 3
-  %t211 = load { ptr, i64, i64 }, ptr %t210
-  store { ptr, i64, i64 } %t207, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  store { ptr, i64, i64 } %t215, ptr %a217
-  store { ptr, i64, i64 } { ptr @.str.54, i64 4, i64 0 }, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t219, ptr %a220
-  %t221 = call i32 @finch_file_exists(ptr %a220)
-  %t222 = icmp ne i32 %t221, 0
-  br i1 %t222, label %then72, label %endif74
+  %t237 = getelementptr inbounds %S.main.Loader, ptr %t235, i32 0, i32 3
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  store { ptr, i64, i64 } %t234, ptr %a240
+  store { ptr, i64, i64 } %t238, ptr %a241
+  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
+  store { ptr, i64, i64 } %t234, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load { ptr, i64, i64 }, ptr %a239
+  store { ptr, i64, i64 } %t243, ptr %a245
+  store { ptr, i64, i64 } { ptr @.str.54, i64 4, i64 0 }, ptr %a246
+  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
+  store { ptr, i64, i64 } %t243, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  %t248 = load { ptr, i64, i64 }, ptr %a244
+  store { ptr, i64, i64 } %t248, ptr %a249
+  %t250 = call i32 @finch_file_exists(ptr %a249)
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch_str_drop(ptr %a251)
+  %t252 = icmp ne i32 %t250, 0
+  br i1 %t252, label %then72, label %endif74
 then72:
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic75, label %ok76
+  %t253 = load ptr, ptr %a1
+  %t254 = icmp eq ptr %t253, null
+  br i1 %t254, label %panic75, label %ok76
 panic75:
-  call void @finch_panic(ptr @.str.55, i64 81, ptr @.str.56)
+  call void @finch_panic(ptr @.str.55, i64 83, ptr @.str.56)
   unreachable
 ok76:
-  %t225 = getelementptr inbounds %S.main.Loader, ptr %t223, i32 0, i32 4
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  store { ptr, i64, i64 } %t226, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.57, i64 1, i64 0 }, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  %t231 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t230, ptr %a233
-  store { ptr, i64, i64 } %t231, ptr %a234
-  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
-  %t235 = load { ptr, i64, i64 }, ptr %a232
-  store { ptr, i64, i64 } %t235, ptr %a237
-  store { ptr, i64, i64 } { ptr @.str.58, i64 1, i64 0 }, ptr %a238
-  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
-  %t240 = load ptr, ptr %a1
-  %t241 = icmp eq ptr %t240, null
-  br i1 %t241, label %panic77, label %ok78
-panic77:
-  call void @finch_panic(ptr @.str.59, i64 81, ptr @.str.60)
-  unreachable
-ok78:
-  %t242 = getelementptr inbounds %S.main.Loader, ptr %t240, i32 0, i32 3
-  %t243 = load { ptr, i64, i64 }, ptr %t242
-  store { ptr, i64, i64 } %t239, ptr %a245
-  store { ptr, i64, i64 } %t243, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  store { ptr, i64, i64 } %t247, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.61, i64 4, i64 0 }, ptr %a250
-  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  ret { ptr, i64, i64 } %t251
-endif74:
-  %t252 = load ptr, ptr %a1
-  %t253 = icmp eq ptr %t252, null
-  br i1 %t253, label %panic79, label %ok80
-panic79:
-  call void @finch_panic(ptr @.str.62, i64 83, ptr @.str.63)
-  unreachable
-ok80:
-  %t254 = getelementptr inbounds %S.main.Loader, ptr %t252, i32 0, i32 4
-  %t255 = load { ptr, i64, i64 }, ptr %t254
-  store { ptr, i64, i64 } %t255, ptr %a257
-  store { ptr, i64, i64 } { ptr @.str.64, i64 1, i64 0 }, ptr %a258
-  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
-  %t259 = load { ptr, i64, i64 }, ptr %a256
-  %t260 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t259, ptr %a262
+  %t255 = getelementptr inbounds %S.main.Loader, ptr %t253, i32 0, i32 4
+  %t256 = load { ptr, i64, i64 }, ptr %t255
+  store { ptr, i64, i64 } %t256, ptr %a258
+  store { ptr, i64, i64 } { ptr @.str.57, i64 1, i64 0 }, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  %t260 = load { ptr, i64, i64 }, ptr %a257
+  %t261 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t260, ptr %a263
-  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
-  %t264 = load { ptr, i64, i64 }, ptr %a261
-  store { ptr, i64, i64 } %t264, ptr %a266
-  store { ptr, i64, i64 } { ptr @.str.65, i64 4, i64 0 }, ptr %a267
-  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
-  %t268 = load { ptr, i64, i64 }, ptr %a265
-  store { ptr, i64, i64 } %t268, ptr %a269
-  %t270 = call i32 @finch_file_exists(ptr %a269)
-  %t271 = icmp ne i32 %t270, 0
-  br i1 %t271, label %then81, label %endif83
-then81:
+  store { ptr, i64, i64 } %t261, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  store { ptr, i64, i64 } %t260, ptr %a265
+  call void @finch_str_drop(ptr %a265)
+  %t266 = load { ptr, i64, i64 }, ptr %a262
+  store { ptr, i64, i64 } %t266, ptr %a268
+  store { ptr, i64, i64 } { ptr @.str.58, i64 1, i64 0 }, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t266, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a267
   %t272 = load ptr, ptr %a1
   %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic84, label %ok85
+  br i1 %t273, label %panic77, label %ok78
+panic77:
+  call void @finch_panic(ptr @.str.59, i64 83, ptr @.str.60)
+  unreachable
+ok78:
+  %t274 = getelementptr inbounds %S.main.Loader, ptr %t272, i32 0, i32 3
+  %t275 = load { ptr, i64, i64 }, ptr %t274
+  store { ptr, i64, i64 } %t271, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  store { ptr, i64, i64 } %t271, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  %t280 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t280, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.61, i64 4, i64 0 }, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t280, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t285
+endif74:
+  %t286 = load ptr, ptr %a1
+  %t287 = icmp eq ptr %t286, null
+  br i1 %t287, label %panic79, label %ok80
+panic79:
+  call void @finch_panic(ptr @.str.62, i64 85, ptr @.str.63)
+  unreachable
+ok80:
+  %t288 = getelementptr inbounds %S.main.Loader, ptr %t286, i32 0, i32 4
+  %t289 = load { ptr, i64, i64 }, ptr %t288
+  store { ptr, i64, i64 } %t289, ptr %a291
+  store { ptr, i64, i64 } { ptr @.str.64, i64 1, i64 0 }, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  %t293 = load { ptr, i64, i64 }, ptr %a290
+  %t294 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t293, ptr %a296
+  store { ptr, i64, i64 } %t294, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  store { ptr, i64, i64 } %t293, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a295
+  store { ptr, i64, i64 } %t299, ptr %a301
+  store { ptr, i64, i64 } { ptr @.str.65, i64 4, i64 0 }, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t299, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  %t304 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } %t304, ptr %a305
+  %t306 = call i32 @finch_file_exists(ptr %a305)
+  store { ptr, i64, i64 } %t304, ptr %a307
+  call void @finch_str_drop(ptr %a307)
+  %t308 = icmp ne i32 %t306, 0
+  br i1 %t308, label %then81, label %endif83
+then81:
+  %t309 = load ptr, ptr %a1
+  %t310 = icmp eq ptr %t309, null
+  br i1 %t310, label %panic84, label %ok85
 panic84:
-  call void @finch_panic(ptr @.str.66, i64 84, ptr @.str.67)
+  call void @finch_panic(ptr @.str.66, i64 86, ptr @.str.67)
   unreachable
 ok85:
-  %t274 = getelementptr inbounds %S.main.Loader, ptr %t272, i32 0, i32 4
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  store { ptr, i64, i64 } %t275, ptr %a277
-  store { ptr, i64, i64 } { ptr @.str.68, i64 1, i64 0 }, ptr %a278
-  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
-  %t279 = load { ptr, i64, i64 }, ptr %a276
-  %t280 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t279, ptr %a282
-  store { ptr, i64, i64 } %t280, ptr %a283
-  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
-  %t284 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t284, ptr %a286
-  store { ptr, i64, i64 } { ptr @.str.69, i64 4, i64 0 }, ptr %a287
-  call void @finch_str_concat(ptr %a285, ptr %a286, ptr %a287)
-  %t288 = load { ptr, i64, i64 }, ptr %a285
-  ret { ptr, i64, i64 } %t288
+  %t311 = getelementptr inbounds %S.main.Loader, ptr %t309, i32 0, i32 4
+  %t312 = load { ptr, i64, i64 }, ptr %t311
+  store { ptr, i64, i64 } %t312, ptr %a314
+  store { ptr, i64, i64 } { ptr @.str.68, i64 1, i64 0 }, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  %t316 = load { ptr, i64, i64 }, ptr %a313
+  %t317 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t316, ptr %a319
+  store { ptr, i64, i64 } %t317, ptr %a320
+  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
+  store { ptr, i64, i64 } %t316, ptr %a321
+  call void @finch_str_drop(ptr %a321)
+  %t322 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t322, ptr %a324
+  store { ptr, i64, i64 } { ptr @.str.69, i64 4, i64 0 }, ptr %a325
+  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
+  store { ptr, i64, i64 } %t322, ptr %a326
+  call void @finch_str_drop(ptr %a326)
+  %t327 = load { ptr, i64, i64 }, ptr %a323
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t327
 endif83:
   br label %endif67
 endif67:
-  %t289 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t289, ptr %a290
-  call void @finch_str_copy(ptr %a291, ptr %a290)
-  %t292 = load { ptr, i64, i64 }, ptr %a291
-  ret { ptr, i64, i64 } %t292
+  %t328 = load { ptr, i64, i64 }, ptr %a22
+  ret { ptr, i64, i64 } %t328
+}
+
+define internal void @finch.drop.S_lexer_Token(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lexer.Token, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lexer.Token, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lexer_Token(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond107
+n.cond107:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body108, label %n.end109
+n.body108:
+  %t7 = getelementptr inbounds %S.lexer.Token, ptr %t1, i64 %t5
+  call void @finch.drop.S_lexer_Token(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond107
+n.end109:
+  call void @finch_arr_free(ptr %a)
+  ret void
 }
 
 define internal void @finch.copy.arr_str(ptr %dst, ptr %src) {
@@ -8121,20 +8514,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond107
-n.cond107:
+  br label %n.cond110
+n.cond110:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body108, label %n.end109
-n.body108:
+  br i1 %t7, label %n.body111, label %n.end112
+n.body111:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 %t6
   call void @finch_str_copy(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond107
-n.end109:
+  br label %n.cond110
+n.end112:
   ret void
 }
 
@@ -8147,20 +8540,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond115
-n.cond115:
+  br label %n.cond118
+n.cond118:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body116, label %n.end117
-n.body116:
+  br i1 %t7, label %n.body119, label %n.end120
+n.body119:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.ast.Type, ptr %t2, i64 %t6
   call void @finch.copy.S_ast_Type(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond115
-n.end117:
+  br label %n.cond118
+n.end120:
   ret void
 }
 
@@ -8225,20 +8618,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond112
-n.cond112:
+  br label %n.cond115
+n.cond115:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body113, label %n.end114
-n.body113:
+  br i1 %t7, label %n.body116, label %n.end117
+n.body116:
   %t8 = getelementptr inbounds %S.ast.Node, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.ast.Node, ptr %t2, i64 %t6
   call void @finch.copy.S_ast_Node(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond112
-n.end114:
+  br label %n.cond115
+n.end117:
   ret void
 }
 
@@ -8277,6 +8670,138 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_str(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond137
+n.cond137:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body138, label %n.end139
+n.body138:
+  %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1, i64 %t5
+  call void @finch_str_drop(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond137
+n.end139:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_ast_Type(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond143
+n.cond143:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body144, label %n.end145
+n.body144:
+  %t7 = getelementptr inbounds %S.ast.Type, ptr %t1, i64 %t5
+  call void @finch.drop.S_ast_Type(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond143
+n.end145:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_ast_Type(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_ast_Type(ptr %t2)
+  %t3 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.ast.Type, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.S_ast_Node(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 5
+  call void @finch.drop.S_ast_Type(ptr %t6)
+  %t7 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 9
+  call void @finch.drop.arr_S_ast_Node(ptr %t7)
+  %t8 = getelementptr inbounds %S.ast.Node, ptr %a, i32 0, i32 10
+  call void @finch.drop.arr_str(ptr %t8)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_ast_Node(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond140
+n.cond140:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body141, label %n.end142
+n.body141:
+  %t7 = getelementptr inbounds %S.ast.Node, ptr %t1, i64 %t5
+  call void @finch.drop.S_ast_Node(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond140
+n.end142:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_ast_Program(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_str(ptr %t5)
+  %t6 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_S_ast_Node(ptr %t7)
+  %t8 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_S_ast_Node(ptr %t8)
+  %t9 = getelementptr inbounds %S.ast.Program, ptr %a, i32 0, i32 8
+  call void @finch.drop.arr_S_ast_Node(ptr %t9)
+  ret void
+}
+
 define internal void @finch.main.load(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
 entry:
   %a1 = alloca ptr, align 16
@@ -8293,40 +8818,50 @@ entry:
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca i64, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca %S.ast.Program, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca i64, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca %S.ast.Program, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca %S.ast.Program, align 16
-  %a128 = alloca %S.ast.Program, align 16
-  %a134 = alloca i64, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca i64, align 16
-  %a151 = alloca i64, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca %S.ast.Program, align 16
+  %a139 = alloca %S.ast.Program, align 16
+  %a145 = alloca i64, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca i64, align 16
+  %a162 = alloca i64, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -8343,7 +8878,7 @@ logic.rhs87:
   %t10 = icmp eq ptr %t9, null
   br i1 %t10, label %panic89, label %ok90
 panic89:
-  call void @finch_panic(ptr @.str.70, i64 91, ptr @.str.71)
+  call void @finch_panic(ptr @.str.70, i64 93, ptr @.str.71)
   unreachable
 ok90:
   %t11 = getelementptr inbounds %S.main.Loader, ptr %t9, i32 0, i32 6
@@ -8397,217 +8932,242 @@ then100:
   store { ptr, i64, i64 } %t38, ptr %a40
   store { ptr, i64, i64 } { ptr @.str.73, i64 14, i64 0 }, ptr %a41
   call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t42, ptr %a45
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  %t44 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.74, i64 1, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = extractvalue { ptr, i64, i64 } %t51, 1
-  %t53 = trunc i64 %t52 to i32
-  %t54 = extractvalue { ptr, i64, i64 } %t51, 0
-  %t55 = icmp eq ptr %t54, null
-  %t56 = select i1 %t55, ptr @.str.75, ptr %t54
-  %t57 = call i32 (ptr, ...) @printf(ptr @.str.76, i32 %t53, ptr %t56)
-  %t58 = call i32 (ptr, ...) @printf(ptr @.str.77)
+  store { ptr, i64, i64 } %t44, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  store { ptr, i64, i64 } %t43, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.74, i64 1, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  %t55 = extractvalue { ptr, i64, i64 } %t54, 1
+  %t56 = trunc i64 %t55 to i32
+  %t57 = extractvalue { ptr, i64, i64 } %t54, 0
+  %t58 = icmp eq ptr %t57, null
+  %t59 = select i1 %t58, ptr @.str.75, ptr %t57
+  %t60 = call i32 (ptr, ...) @printf(ptr @.str.76, i32 %t56, ptr %t59)
+  store { ptr, i64, i64 } %t54, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = call i32 (ptr, ...) @printf(ptr @.str.77)
   br label %endif102
 else101:
-  %t59 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.78, i64 19, i64 0 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.79, i64 1, i64 0 }, ptr %a66
+  %t63 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.78, i64 19, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
   %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
-  %t69 = trunc i64 %t68 to i32
-  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
-  %t71 = icmp eq ptr %t70, null
-  %t72 = select i1 %t71, ptr @.str.80, ptr %t70
-  %t73 = call i32 (ptr, ...) @printf(ptr @.str.81, i32 %t69, ptr %t72)
-  %t74 = call i32 (ptr, ...) @printf(ptr @.str.82)
+  store { ptr, i64, i64 } %t67, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.79, i64 1, i64 0 }, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  %t73 = extractvalue { ptr, i64, i64 } %t72, 1
+  %t74 = trunc i64 %t73 to i32
+  %t75 = extractvalue { ptr, i64, i64 } %t72, 0
+  %t76 = icmp eq ptr %t75, null
+  %t77 = select i1 %t76, ptr @.str.80, ptr %t75
+  %t78 = call i32 (ptr, ...) @printf(ptr @.str.81, i32 %t74, ptr %t77)
+  store { ptr, i64, i64 } %t72, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = call i32 (ptr, ...) @printf(ptr @.str.82)
   br label %endif102
 endif102:
-  %t75 = trunc i64 1 to i32
-  %t76 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t75)
+  %t81 = trunc i64 1 to i32
+  %t82 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t81)
   br label %endif99
 endif99:
-  %t77 = load ptr, ptr %a1
-  %t78 = load { ptr, i64, i64 }, ptr %a2
-  %t79 = call { ptr, i64, i64 } @finch.main.textOfFile(ptr %t77, { ptr, i64, i64 } %t78)
-  store { ptr, i64, i64 } %t79, ptr %a80
-  %t81 = load ptr, ptr %a1
-  %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic103, label %ok104
-panic103:
-  call void @finch_panic(ptr @.str.83, i64 100, ptr @.str.84)
-  unreachable
-ok104:
-  %t83 = getelementptr inbounds %S.main.Loader, ptr %t81, i32 0, i32 1
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
-  %t85 = load i64, ptr %t84
-  store i64 %t85, ptr %a86
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a2
+  %t85 = call { ptr, i64, i64 } @finch.main.textOfFile(ptr %t83, { ptr, i64, i64 } %t84)
+  store { ptr, i64, i64 } %t85, ptr %a86
   %t87 = load ptr, ptr %a1
   %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic105, label %ok106
-panic105:
-  call void @finch_panic(ptr @.str.85, i64 101, ptr @.str.86)
+  br i1 %t88, label %panic103, label %ok104
+panic103:
+  call void @finch_panic(ptr @.str.83, i64 102, ptr @.str.84)
   unreachable
-ok106:
+ok104:
   %t89 = getelementptr inbounds %S.main.Loader, ptr %t87, i32 0, i32 1
   %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i32 0, i32 1
-  %t91 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t91, ptr %a92
-  call void @finch_str_copy(ptr %a93, ptr %a92)
-  %t94 = load { ptr, i64, i64 }, ptr %a93
-  %t95 = load i64, ptr %t90
-  %t96 = add i64 %t95, 1
-  call void @finch_arr_reserve(ptr %t89, i64 %t96, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t97 = load ptr, ptr %t89
-  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %t97, i64 %t95
-  store { ptr, i64, i64 } %t94, ptr %t98
-  store i64 %t96, ptr %t90
-  %t99 = load { ptr, i64, i64 }, ptr %a80
-  %t100 = load { ptr, i64, i64 }, ptr %a2
-  %t101 = call { ptr, i64, i64 } @finch.lexer.lex({ ptr, i64, i64 } %t99, { ptr, i64, i64 } %t100)
-  %t102 = load i64, ptr %a86
-  %t103 = load { ptr, i64, i64 }, ptr %a2
-  %t104 = call %S.ast.Program @finch.parser.parse({ ptr, i64, i64 } %t101, i64 %t102, { ptr, i64, i64 } %t103)
-  store %S.ast.Program %t104, ptr %a105
-  %t106 = load { ptr, i64, i64 }, ptr %a3
-  %t107 = getelementptr inbounds %S.ast.Program, ptr %a105, i32 0, i32 0
-  store { ptr, i64, i64 } %t106, ptr %a108
-  call void @finch_str_copy(ptr %a109, ptr %a108)
-  %t110 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t110, ptr %t107
-  %t111 = load { ptr, i64, i64 }, ptr %a2
-  %t112 = getelementptr inbounds %S.ast.Program, ptr %a105, i32 0, i32 1
-  store { ptr, i64, i64 } %t111, ptr %a113
-  call void @finch_str_copy(ptr %a114, ptr %a113)
-  %t115 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t115, ptr %t112
-  %t116 = getelementptr inbounds %S.ast.Program, ptr %a105, i32 0, i32 2
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  call void @finch.copy.arr_str(ptr %a119, ptr %a118)
-  %t120 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t120, ptr %a121
-  %t122 = load ptr, ptr %a1
-  %t123 = icmp eq ptr %t122, null
-  br i1 %t123, label %panic110, label %ok111
-panic110:
-  call void @finch_panic(ptr @.str.87, i64 106, ptr @.str.88)
+  %t91 = load i64, ptr %t90
+  store i64 %t91, ptr %a92
+  %t93 = load ptr, ptr %a1
+  %t94 = icmp eq ptr %t93, null
+  br i1 %t94, label %panic105, label %ok106
+panic105:
+  call void @finch_panic(ptr @.str.85, i64 103, ptr @.str.86)
   unreachable
-ok111:
-  %t124 = getelementptr inbounds %S.main.Loader, ptr %t122, i32 0, i32 0
-  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i32 0, i32 1
-  %t126 = load %S.ast.Program, ptr %a105
-  store %S.ast.Program %t126, ptr %a127
-  call void @finch.copy.S_ast_Program(ptr %a128, ptr %a127)
-  %t129 = load %S.ast.Program, ptr %a128
-  %t130 = load i64, ptr %t125
-  %t131 = add i64 %t130, 1
-  call void @finch_arr_reserve(ptr %t124, i64 %t131, i64 ptrtoint (ptr getelementptr (%S.ast.Program, ptr null, i32 1) to i64))
-  %t132 = load ptr, ptr %t124
-  %t133 = getelementptr inbounds %S.ast.Program, ptr %t132, i64 %t130
-  store %S.ast.Program %t129, ptr %t133
-  store i64 %t131, ptr %t125
-  store i64 0, ptr %a134
-  br label %each.cond118
-each.cond118:
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a121, i32 0, i32 1
-  %t136 = load i64, ptr %t135
-  %t137 = load i64, ptr %a134
-  %t138 = icmp slt i64 %t137, %t136
-  br i1 %t138, label %each.body119, label %each.end121
-each.body119:
-  %t139 = load ptr, ptr %a121
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t139, i64 %t137
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t141, ptr %a142
-  %t143 = load ptr, ptr %a1
-  %t144 = icmp eq ptr %t143, null
-  br i1 %t144, label %panic122, label %ok123
-panic122:
-  call void @finch_panic(ptr @.str.89, i64 108, ptr @.str.90)
+ok106:
+  %t95 = getelementptr inbounds %S.main.Loader, ptr %t93, i32 0, i32 1
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i32 0, i32 1
+  %t97 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t97, ptr %a98
+  call void @finch_str_copy(ptr %a99, ptr %a98)
+  %t100 = load { ptr, i64, i64 }, ptr %a99
+  %t101 = load i64, ptr %t96
+  %t102 = add i64 %t101, 1
+  call void @finch_arr_reserve(ptr %t95, i64 %t102, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t103 = load ptr, ptr %t95
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 %t101
+  store { ptr, i64, i64 } %t100, ptr %t104
+  store i64 %t102, ptr %t96
+  %t105 = load { ptr, i64, i64 }, ptr %a86
+  %t106 = load { ptr, i64, i64 }, ptr %a2
+  %t107 = call { ptr, i64, i64 } @finch.lexer.lex({ ptr, i64, i64 } %t105, { ptr, i64, i64 } %t106)
+  %t108 = load i64, ptr %a92
+  %t109 = load { ptr, i64, i64 }, ptr %a2
+  %t110 = call %S.ast.Program @finch.parser.parse({ ptr, i64, i64 } %t107, i64 %t108, { ptr, i64, i64 } %t109)
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch.drop.arr_S_lexer_Token(ptr %a111)
+  store %S.ast.Program %t110, ptr %a112
+  %t113 = load { ptr, i64, i64 }, ptr %a3
+  %t114 = getelementptr inbounds %S.ast.Program, ptr %a112, i32 0, i32 0
+  store { ptr, i64, i64 } %t113, ptr %a115
+  call void @finch_str_copy(ptr %a116, ptr %a115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  %t118 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } %t117, ptr %t114
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a2
+  %t121 = getelementptr inbounds %S.ast.Program, ptr %a112, i32 0, i32 1
+  store { ptr, i64, i64 } %t120, ptr %a122
+  call void @finch_str_copy(ptr %a123, ptr %a122)
+  %t124 = load { ptr, i64, i64 }, ptr %a123
+  %t125 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t124, ptr %t121
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = getelementptr inbounds %S.ast.Program, ptr %a112, i32 0, i32 2
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a129
+  call void @finch.copy.arr_str(ptr %a130, ptr %a129)
+  %t131 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  %t133 = load ptr, ptr %a1
+  %t134 = icmp eq ptr %t133, null
+  br i1 %t134, label %panic113, label %ok114
+panic113:
+  call void @finch_panic(ptr @.str.87, i64 108, ptr @.str.88)
   unreachable
-ok123:
-  %t145 = getelementptr inbounds %S.main.Loader, ptr %t143, i32 0, i32 2
-  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
-  %t147 = load { ptr, i64, i64 }, ptr %a142
-  store i64 -1, ptr %a148
-  %t149 = load i64, ptr %t146
-  %t150 = load ptr, ptr %t145
-  store i64 0, ptr %a151
-  br label %find.cond124
-find.cond124:
-  %t152 = load i64, ptr %a151
-  %t153 = icmp slt i64 %t152, %t149
-  br i1 %t153, label %find.body125, label %find.end128
-find.body125:
-  %t154 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t152
-  %t155 = load { ptr, i64, i64 }, ptr %t154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } %t147, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br i1 %t159, label %find.hit126, label %find.next127
-find.hit126:
-  store i64 %t152, ptr %a148
-  br label %find.end128
-find.next127:
-  %t160 = add i64 %t152, 1
-  store i64 %t160, ptr %a151
-  br label %find.cond124
-find.end128:
-  %t161 = load i64, ptr %a148
-  %t162 = icmp sge i64 %t161, 0
-  %t163 = xor i1 %t162, true
-  br i1 %t163, label %then129, label %endif131
-then129:
-  %t164 = load ptr, ptr %a1
-  %t165 = icmp eq ptr %t164, null
-  br i1 %t165, label %panic132, label %ok133
-panic132:
-  call void @finch_panic(ptr @.str.91, i64 109, ptr @.str.92)
+ok114:
+  %t135 = getelementptr inbounds %S.main.Loader, ptr %t133, i32 0, i32 0
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
+  %t137 = load %S.ast.Program, ptr %a112
+  store %S.ast.Program %t137, ptr %a138
+  call void @finch.copy.S_ast_Program(ptr %a139, ptr %a138)
+  %t140 = load %S.ast.Program, ptr %a139
+  %t141 = load i64, ptr %t136
+  %t142 = add i64 %t141, 1
+  call void @finch_arr_reserve(ptr %t135, i64 %t142, i64 ptrtoint (ptr getelementptr (%S.ast.Program, ptr null, i32 1) to i64))
+  %t143 = load ptr, ptr %t135
+  %t144 = getelementptr inbounds %S.ast.Program, ptr %t143, i64 %t141
+  store %S.ast.Program %t140, ptr %t144
+  store i64 %t142, ptr %t136
+  store i64 0, ptr %a145
+  br label %each.cond121
+each.cond121:
+  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  %t147 = load i64, ptr %t146
+  %t148 = load i64, ptr %a145
+  %t149 = icmp slt i64 %t148, %t147
+  br i1 %t149, label %each.body122, label %each.end124
+each.body122:
+  %t150 = load ptr, ptr %a132
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t148
+  %t152 = load { ptr, i64, i64 }, ptr %t151
+  store { ptr, i64, i64 } %t152, ptr %a153
+  %t154 = load ptr, ptr %a1
+  %t155 = icmp eq ptr %t154, null
+  br i1 %t155, label %panic125, label %ok126
+panic125:
+  call void @finch_panic(ptr @.str.89, i64 110, ptr @.str.90)
   unreachable
-ok133:
-  %t166 = getelementptr inbounds %S.main.Loader, ptr %t164, i32 0, i32 2
-  %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %t166, i32 0, i32 1
-  %t168 = load { ptr, i64, i64 }, ptr %a142
-  store { ptr, i64, i64 } %t168, ptr %a169
-  call void @finch_str_copy(ptr %a170, ptr %a169)
-  %t171 = load { ptr, i64, i64 }, ptr %a170
-  %t172 = load i64, ptr %t167
-  %t173 = add i64 %t172, 1
-  call void @finch_arr_reserve(ptr %t166, i64 %t173, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t174 = load ptr, ptr %t166
-  %t175 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i64 %t172
-  store { ptr, i64, i64 } %t171, ptr %t175
-  store i64 %t173, ptr %t167
-  %t176 = load ptr, ptr %a1
-  %t177 = load ptr, ptr %a1
-  %t178 = load { ptr, i64, i64 }, ptr %a2
-  %t179 = load { ptr, i64, i64 }, ptr %a142
-  %t180 = call { ptr, i64, i64 } @finch.main.findModule(ptr %t177, { ptr, i64, i64 } %t178, { ptr, i64, i64 } %t179)
-  %t181 = load { ptr, i64, i64 }, ptr %a142
-  call void @finch.main.load(ptr %t176, { ptr, i64, i64 } %t180, { ptr, i64, i64 } %t181)
-  br label %endif131
-endif131:
-  br label %each.step120
-each.step120:
-  %t182 = load i64, ptr %a134
-  %t183 = add i64 %t182, 1
-  store i64 %t183, ptr %a134
-  br label %each.cond118
-each.end121:
+ok126:
+  %t156 = getelementptr inbounds %S.main.Loader, ptr %t154, i32 0, i32 2
+  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i32 0, i32 1
+  %t158 = load { ptr, i64, i64 }, ptr %a153
+  store i64 -1, ptr %a159
+  %t160 = load i64, ptr %t157
+  %t161 = load ptr, ptr %t156
+  store i64 0, ptr %a162
+  br label %find.cond127
+find.cond127:
+  %t163 = load i64, ptr %a162
+  %t164 = icmp slt i64 %t163, %t160
+  br i1 %t164, label %find.body128, label %find.end131
+find.body128:
+  %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t161, i64 %t163
+  %t166 = load { ptr, i64, i64 }, ptr %t165
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } %t158, ptr %a168
+  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
+  %t170 = icmp ne i32 %t169, 0
+  br i1 %t170, label %find.hit129, label %find.next130
+find.hit129:
+  store i64 %t163, ptr %a159
+  br label %find.end131
+find.next130:
+  %t171 = add i64 %t163, 1
+  store i64 %t171, ptr %a162
+  br label %find.cond127
+find.end131:
+  %t172 = load i64, ptr %a159
+  %t173 = icmp sge i64 %t172, 0
+  %t174 = xor i1 %t173, true
+  br i1 %t174, label %then132, label %endif134
+then132:
+  %t175 = load ptr, ptr %a1
+  %t176 = icmp eq ptr %t175, null
+  br i1 %t176, label %panic135, label %ok136
+panic135:
+  call void @finch_panic(ptr @.str.91, i64 111, ptr @.str.92)
+  unreachable
+ok136:
+  %t177 = getelementptr inbounds %S.main.Loader, ptr %t175, i32 0, i32 2
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %t177, i32 0, i32 1
+  %t179 = load { ptr, i64, i64 }, ptr %a153
+  store { ptr, i64, i64 } %t179, ptr %a180
+  call void @finch_str_copy(ptr %a181, ptr %a180)
+  %t182 = load { ptr, i64, i64 }, ptr %a181
+  %t183 = load i64, ptr %t178
+  %t184 = add i64 %t183, 1
+  call void @finch_arr_reserve(ptr %t177, i64 %t184, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t185 = load ptr, ptr %t177
+  %t186 = getelementptr inbounds { ptr, i64, i64 }, ptr %t185, i64 %t183
+  store { ptr, i64, i64 } %t182, ptr %t186
+  store i64 %t184, ptr %t178
+  %t187 = load ptr, ptr %a1
+  %t188 = load ptr, ptr %a1
+  %t189 = load { ptr, i64, i64 }, ptr %a2
+  %t190 = load { ptr, i64, i64 }, ptr %a153
+  %t191 = call { ptr, i64, i64 } @finch.main.findModule(ptr %t188, { ptr, i64, i64 } %t189, { ptr, i64, i64 } %t190)
+  %t192 = load { ptr, i64, i64 }, ptr %a153
+  call void @finch.main.load(ptr %t187, { ptr, i64, i64 } %t191, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  br label %endif134
+endif134:
+  br label %each.step123
+each.step123:
+  %t194 = load i64, ptr %a145
+  %t195 = add i64 %t194, 1
+  store i64 %t195, ptr %a145
+  br label %each.cond121
+each.end124:
+  call void @finch.drop.arr_str(ptr %a132)
+  call void @finch.drop.S_ast_Program(ptr %a112)
+  call void @finch_str_drop(ptr %a86)
   ret void
 }
 
@@ -8711,6 +9271,298 @@ entry:
   ret void
 }
 
+define internal { ptr, i64, i64 } @finch.main.unpack() {
+entry:
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca i64, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %t1 = call { ptr, i64, i64 } @finch.embedded.names()
+  store { ptr, i64, i64 } %t1, ptr %a2
+  %t3 = call { ptr, i64, i64 } @finch.host.cacheDir()
+  store { ptr, i64, i64 } %t3, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.145, i64 7, i64 0 }, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  %t9 = call { ptr, i64, i64 } @finch.embedded.texts()
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.146, i64 1, i64 0 }, ptr %a12
+  call void @finch_str_join(ptr %a13, ptr %a10, ptr %a12)
+  %t14 = load { ptr, i64, i64 }, ptr %a13
+  call void @finch.drop.arr_str(ptr %a10)
+  %t15 = call { ptr, i64, i64 } @finch.linker.fingerprint({ ptr, i64, i64 } %t14)
+  store { ptr, i64, i64 } %t14, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  store { ptr, i64, i64 } %t8, ptr %a18
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t8, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  store { ptr, i64, i64 } %t15, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.147, i64 5, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t28, ptr %a29
+  %t30 = call i32 @finch_file_exists(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = icmp ne i32 %t30, 0
+  br i1 %t32, label %then146, label %endif148
+then146:
+  %t33 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.arr_str(ptr %a2)
+  ret { ptr, i64, i64 } %t33
+endif148:
+  %t34 = call { ptr, i64, i64 } @finch.embedded.texts()
+  store { ptr, i64, i64 } %t34, ptr %a35
+  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t37 = load i64, ptr %t36
+  store i64 0, ptr %a38
+  br label %for.cond149
+for.cond149:
+  %t39 = load i64, ptr %a38
+  %t40 = icmp slt i64 %t39, %t37
+  br i1 %t40, label %for.body150, label %for.end152
+for.body150:
+  %t41 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t41, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.148, i64 1, i64 0 }, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  %t46 = load i64, ptr %a38
+  %t47 = load { ptr, i64, i64 }, ptr %a2
+  %t48 = extractvalue { ptr, i64, i64 } %t47, 1
+  %t49 = icmp uge i64 %t46, %t48
+  br i1 %t49, label %range153, label %inrange154
+range153:
+  call void @finch_panic_index(ptr @.str.149, i64 144, i64 %t46, i64 %t48)
+  unreachable
+inrange154:
+  %t50 = extractvalue { ptr, i64, i64 } %t47, 0
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t46
+  %t52 = load { ptr, i64, i64 }, ptr %t51
+  store { ptr, i64, i64 } %t45, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a55
+  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
+  store { ptr, i64, i64 } %t45, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  %t57 = load { ptr, i64, i64 }, ptr %a53
+  %t58 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t57)
+  store { ptr, i64, i64 } %t57, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  call void @finch.host.makeDirs({ ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.150, i64 1, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a62
+  %t66 = load i64, ptr %a38
+  %t67 = load { ptr, i64, i64 }, ptr %a2
+  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
+  %t69 = icmp uge i64 %t66, %t68
+  br i1 %t69, label %range155, label %inrange156
+range155:
+  call void @finch_panic_index(ptr @.str.151, i64 145, i64 %t66, i64 %t68)
+  unreachable
+inrange156:
+  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 %t66
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  store { ptr, i64, i64 } %t65, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t65, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = load i64, ptr %a38
+  %t79 = load { ptr, i64, i64 }, ptr %a35
+  %t80 = extractvalue { ptr, i64, i64 } %t79, 1
+  %t81 = icmp uge i64 %t78, %t80
+  br i1 %t81, label %range157, label %inrange158
+range157:
+  call void @finch_panic_index(ptr @.str.152, i64 145, i64 %t78, i64 %t80)
+  unreachable
+inrange158:
+  %t82 = extractvalue { ptr, i64, i64 } %t79, 0
+  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i64 %t78
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } %t77, ptr %a85
+  store { ptr, i64, i64 } %t84, ptr %a86
+  %t87 = call i32 @finch_write_file(ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t77, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = icmp ne i32 %t87, 0
+  br label %for.step151
+for.step151:
+  %t90 = load i64, ptr %a38
+  %t91 = add i64 %t90, 1
+  store i64 %t91, ptr %a38
+  br label %for.cond149
+for.end152:
+  %t92 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.153, i64 5, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t96, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.154, i64 0, i64 0 }, ptr %a98
+  %t99 = call i32 @finch_write_file(ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t96, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = icmp ne i32 %t99, 0
+  %t102 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.arr_str(ptr %a35)
+  call void @finch.drop.arr_str(ptr %a2)
+  ret { ptr, i64, i64 } %t102
+}
+
+define internal void @finch.drop.S_cimport_Header(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Header, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.Header, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_cimport_Header(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond399
+n.cond399:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body400, label %n.end401
+n.body400:
+  %t7 = getelementptr inbounds %S.cimport.Header, ptr %t1, i64 %t5
+  call void @finch.drop.S_cimport_Header(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond399
+n.end401:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_ast_Program(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond402
+n.cond402:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body403, label %n.end404
+n.body403:
+  %t7 = getelementptr inbounds %S.ast.Program, ptr %t1, i64 %t5
+  call void @finch.drop.S_ast_Program(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond402
+n.end404:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_main_Loader(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_ast_Program(ptr %t1)
+  %t2 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
+  %t3 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t7)
+  %t8 = getelementptr inbounds %S.main.Loader, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_str(ptr %t8)
+  ret void
+}
+
+define internal void @finch.drop.S_platform_Target(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 6
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.platform.Target, ptr %a, i32 0, i32 8
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
 define internal void @finch.copy.S_platform_Target(ptr %dst, ptr %src) {
 entry:
 
@@ -8731,6 +9583,260 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Options(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Options, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Options, ptr %a, i32 0, i32 4
+  call void @finch.drop.S_platform_Target(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CFunc(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 2
+  call void @finch.drop.S_ast_Type(ptr %t3)
+  %t4 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_S_ast_Type(ptr %t4)
+  %t5 = getelementptr inbounds %S.cimport.CFunc, ptr %a, i32 0, i32 5
+  call void @finch_str_drop(ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_cimport_CFunc(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond412
+n.cond412:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body413, label %n.end414
+n.body413:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live415, label %entry.next416
+entry.live415:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_cimport_CFunc(ptr %t13)
+  br label %entry.next416
+entry.next416:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond412
+n.end414:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CConst(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CConst, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t1)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_cimport_CConst(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond417
+n.cond417:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body418, label %n.end419
+n.body418:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live420, label %entry.next421
+entry.live420:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_cimport_CConst(ptr %t13)
+  br label %entry.next421
+entry.next421:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond417
+n.end419:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_ast_Type(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond422
+n.cond422:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body423, label %n.end424
+n.body423:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live425, label %entry.next426
+entry.live425:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_ast_Type(ptr %t13)
+  br label %entry.next426
+entry.next426:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond422
+n.end424:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CField(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CField, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CField, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_cimport_CField(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond432
+n.cond432:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body433, label %n.end434
+n.body433:
+  %t7 = getelementptr inbounds %S.cimport.CField, ptr %t1, i64 %t5
+  call void @finch.drop.S_cimport_CField(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond432
+n.end434:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CStruct(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CStruct, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CStruct, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_cimport_CField(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.CStruct, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t3)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_cimport_CStruct(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond427
+n.cond427:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body428, label %n.end429
+n.body428:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live430, label %entry.next431
+entry.live430:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_cimport_CStruct(ptr %t13)
+  br label %entry.next431
+entry.next431:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond427
+n.end429:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_CImports(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 0
+  call void @finch.drop.map_str_S_cimport_CFunc(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 1
+  call void @finch.drop.map_str_S_cimport_CConst(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 2
+  call void @finch.drop.map_str_S_ast_Type(ptr %t3)
+  %t4 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 3
+  call void @finch.drop.map_str_S_cimport_CStruct(ptr %t4)
+  %t5 = getelementptr inbounds %S.cimport.CImports, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_str(ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.S_linker_Build(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.linker.Build, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t6)
+  ret void
+}
+
 define internal i64 @finch.main.main({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -8779,350 +9885,406 @@ entry:
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   %a297 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
   %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca %S.platform.Target, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca %S.platform.Target, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
-  %a385 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
   %a400 = alloca { ptr, i64, i64 }, align 16
-  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
   %a412 = alloca { ptr, i64, i64 }, align 16
   %a413 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
   %a417 = alloca { ptr, i64, i64 }, align 16
   %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
   %a420 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
   %a431 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca %S.main.Loader, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
   %a450 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a457 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
   %a459 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a462 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a472 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca i64, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca %S.main.Loader, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
   %a498 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
   %a509 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a519 = alloca { ptr, i64, i64 }, align 16
   %a520 = alloca { ptr, i64, i64 }, align 16
   %a521 = alloca { ptr, i64, i64 }, align 16
-  %a527 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a534 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca i64, align 16
-  %a543 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a533 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca i64, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
   %a550 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
   %a560 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
   %a563 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a568 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
   %a571 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca i64, align 16
-  %a581 = alloca %S.ast.Program, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
   %a585 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca i64, align 16
-  %a591 = alloca i64, align 16
-  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
   %a597 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a602 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca { ptr, i64, i64 }, align 16
   %a606 = alloca { ptr, i64, i64 }, align 16
-  %a607 = alloca { ptr, i64, i64 }, align 16
-  %a616 = alloca i64, align 16
-  %a628 = alloca i64, align 16
-  %a631 = alloca i64, align 16
+  %a607 = alloca i64, align 16
+  %a615 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
   %a636 = alloca { ptr, i64, i64 }, align 16
-  %a637 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a643 = alloca { ptr, i64, i64 }, align 16
+  %a645 = alloca i64, align 16
+  %a653 = alloca %S.ast.Program, align 16
+  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a660 = alloca i64, align 16
+  %a663 = alloca i64, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
   %a669 = alloca { ptr, i64, i64 }, align 16
-  %a670 = alloca { ptr, i64, i64 }, align 16
-  %a681 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
-  %a692 = alloca i64, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a702 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
-  %a704 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca i64, align 16
+  %a700 = alloca i64, align 16
+  %a703 = alloca i64, align 16
   %a708 = alloca { ptr, i64, i64 }, align 16
   %a709 = alloca { ptr, i64, i64 }, align 16
-  %a710 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
-  %a724 = alloca { ptr, i64, i64 }, align 16
   %a725 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a730 = alloca { ptr, i64, i64 }, align 16
-  %a738 = alloca { ptr, i64, i64 }, align 16
-  %a739 = alloca { ptr, i64, i64 }, align 16
-  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a741 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
   %a754 = alloca { ptr, i64, i64 }, align 16
-  %a755 = alloca { ptr, i64, i64 }, align 16
-  %a769 = alloca { ptr, i64, i64 }, align 16
-  %a778 = alloca %S.cimport.CImports, align 16
+  %a764 = alloca i64, align 16
+  %a772 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a780 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
   %a787 = alloca { ptr, i64, i64 }, align 16
   %a788 = alloca { ptr, i64, i64 }, align 16
-  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a789 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca { ptr, i64, i64 }, align 16
   %a800 = alloca { ptr, i64, i64 }, align 16
   %a801 = alloca { ptr, i64, i64 }, align 16
-  %a805 = alloca %S.platform.Target, align 16
-  %a806 = alloca %S.platform.Target, align 16
-  %a810 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
+  %a811 = alloca { ptr, i64, i64 }, align 16
   %a812 = alloca { ptr, i64, i64 }, align 16
-  %a813 = alloca { ptr, i64, i64 }, align 16
-  %a817 = alloca { ptr, i64, i64 }, align 16
-  %a818 = alloca { ptr, i64, i64 }, align 16
-  %a834 = alloca { ptr, i64, i64 }, align 16
-  %a836 = alloca { ptr, i64, i64 }, align 16
-  %a837 = alloca { ptr, i64, i64 }, align 16
-  %a839 = alloca { ptr, i64, i64 }, align 16
-  %a850 = alloca { ptr, i64, i64 }, align 16
-  %a851 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca { ptr, i64, i64 }, align 16
-  %a855 = alloca { ptr, i64, i64 }, align 16
-  %a866 = alloca { ptr, i64, i64 }, align 16
-  %a867 = alloca { ptr, i64, i64 }, align 16
-  %a868 = alloca { ptr, i64, i64 }, align 16
-  %a871 = alloca { ptr, i64, i64 }, align 16
-  %a882 = alloca { ptr, i64, i64 }, align 16
-  %a883 = alloca { ptr, i64, i64 }, align 16
-  %a884 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
-  %a891 = alloca { ptr, i64, i64 }, align 16
-  %a896 = alloca { ptr, i64, i64 }, align 16
+  %a822 = alloca { ptr, i64, i64 }, align 16
+  %a827 = alloca { ptr, i64, i64 }, align 16
+  %a828 = alloca { ptr, i64, i64 }, align 16
+  %a831 = alloca { ptr, i64, i64 }, align 16
+  %a844 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca %S.cimport.CImports, align 16
+  %a862 = alloca { ptr, i64, i64 }, align 16
+  %a863 = alloca { ptr, i64, i64 }, align 16
+  %a872 = alloca %S.platform.Target, align 16
+  %a873 = alloca %S.platform.Target, align 16
+  %a877 = alloca %S.gen.Options, align 16
+  %a878 = alloca { ptr, i64, i64 }, align 16
+  %a880 = alloca { ptr, i64, i64 }, align 16
+  %a881 = alloca { ptr, i64, i64 }, align 16
+  %a885 = alloca { ptr, i64, i64 }, align 16
+  %a886 = alloca { ptr, i64, i64 }, align 16
+  %a902 = alloca { ptr, i64, i64 }, align 16
+  %a904 = alloca { ptr, i64, i64 }, align 16
+  %a905 = alloca { ptr, i64, i64 }, align 16
   %a907 = alloca { ptr, i64, i64 }, align 16
-  %a911 = alloca { ptr, i64, i64 }, align 16
-  %a912 = alloca { ptr, i64, i64 }, align 16
-  %a913 = alloca { ptr, i64, i64 }, align 16
-  %a916 = alloca { ptr, i64, i64 }, align 16
-  %a917 = alloca { ptr, i64, i64 }, align 16
+  %a918 = alloca { ptr, i64, i64 }, align 16
+  %a919 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
   %a921 = alloca { ptr, i64, i64 }, align 16
-  %a922 = alloca { ptr, i64, i64 }, align 16
+  %a924 = alloca { ptr, i64, i64 }, align 16
   %a926 = alloca { ptr, i64, i64 }, align 16
-  %a927 = alloca { ptr, i64, i64 }, align 16
-  %a931 = alloca { ptr, i64, i64 }, align 16
-  %a932 = alloca { ptr, i64, i64 }, align 16
-  %a936 = alloca { ptr, i64, i64 }, align 16
   %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a939 = alloca { ptr, i64, i64 }, align 16
+  %a940 = alloca { ptr, i64, i64 }, align 16
   %a943 = alloca { ptr, i64, i64 }, align 16
-  %a944 = alloca { ptr, i64, i64 }, align 16
-  %a952 = alloca { ptr, i64, i64 }, align 16
-  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a945 = alloca { ptr, i64, i64 }, align 16
   %a956 = alloca { ptr, i64, i64 }, align 16
-  %a957 = alloca i64, align 16
-  %a965 = alloca { ptr, i64, i64 }, align 16
-  %a979 = alloca { ptr, i64, i64 }, align 16
+  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a958 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
+  %a962 = alloca { ptr, i64, i64 }, align 16
+  %a964 = alloca { ptr, i64, i64 }, align 16
+  %a968 = alloca { ptr, i64, i64 }, align 16
+  %a973 = alloca { ptr, i64, i64 }, align 16
+  %a975 = alloca { ptr, i64, i64 }, align 16
   %a980 = alloca { ptr, i64, i64 }, align 16
   %a981 = alloca { ptr, i64, i64 }, align 16
+  %a982 = alloca { ptr, i64, i64 }, align 16
   %a983 = alloca { ptr, i64, i64 }, align 16
-  %a984 = alloca { ptr, i64, i64 }, align 16
-  %a985 = alloca { ptr, i64, i64 }, align 16
-  %a988 = alloca { ptr, i64, i64 }, align 16
-  %a989 = alloca { ptr, i64, i64 }, align 16
-  %a991 = alloca { ptr, i64, i64 }, align 16
-  %a992 = alloca { ptr, i64, i64 }, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
+  %a990 = alloca { ptr, i64, i64 }, align 16
   %a993 = alloca { ptr, i64, i64 }, align 16
+  %a994 = alloca { ptr, i64, i64 }, align 16
   %a995 = alloca { ptr, i64, i64 }, align 16
-  %a996 = alloca { ptr, i64, i64 }, align 16
-  %a998 = alloca i64, align 16
+  %a998 = alloca { ptr, i64, i64 }, align 16
+  %a1000 = alloca { ptr, i64, i64 }, align 16
   %a1001 = alloca { ptr, i64, i64 }, align 16
-  %a1002 = alloca { ptr, i64, i64 }, align 16
-  %a1003 = alloca { ptr, i64, i64 }, align 16
   %a1005 = alloca { ptr, i64, i64 }, align 16
   %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1011 = alloca { ptr, i64, i64 }, align 16
+  %a1015 = alloca { ptr, i64, i64 }, align 16
+  %a1016 = alloca { ptr, i64, i64 }, align 16
+  %a1020 = alloca { ptr, i64, i64 }, align 16
+  %a1021 = alloca { ptr, i64, i64 }, align 16
+  %a1027 = alloca { ptr, i64, i64 }, align 16
+  %a1028 = alloca { ptr, i64, i64 }, align 16
+  %a1034 = alloca %S.linker.Build, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
+  %a1038 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
+  %a1042 = alloca i64, align 16
+  %a1050 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
+  %a1065 = alloca { ptr, i64, i64 }, align 16
+  %a1066 = alloca { ptr, i64, i64 }, align 16
+  %a1067 = alloca { ptr, i64, i64 }, align 16
+  %a1069 = alloca { ptr, i64, i64 }, align 16
+  %a1070 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca { ptr, i64, i64 }, align 16
+  %a1072 = alloca { ptr, i64, i64 }, align 16
+  %a1075 = alloca { ptr, i64, i64 }, align 16
+  %a1076 = alloca { ptr, i64, i64 }, align 16
+  %a1078 = alloca { ptr, i64, i64 }, align 16
+  %a1079 = alloca { ptr, i64, i64 }, align 16
+  %a1080 = alloca { ptr, i64, i64 }, align 16
+  %a1081 = alloca { ptr, i64, i64 }, align 16
+  %a1082 = alloca { ptr, i64, i64 }, align 16
+  %a1085 = alloca { ptr, i64, i64 }, align 16
+  %a1086 = alloca i64, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t3 = load i64, ptr %t2
   %t4 = icmp eq i64 %t3, 2
-  br label %logic.from134
-logic.from134:
-  br i1 %t4, label %logic.rhs135, label %logic.end136
-logic.rhs135:
+  br label %logic.from159
+logic.from159:
+  br i1 %t4, label %logic.rhs160, label %logic.end161
+logic.rhs160:
   %t5 = load { ptr, i64, i64 }, ptr %a1
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 1, %t6
-  br i1 %t7, label %range137, label %inrange138
-range137:
-  call void @finch_panic_index(ptr @.str.145, i64 133, i64 1, i64 %t6)
+  br i1 %t7, label %range162, label %inrange163
+range162:
+  call void @finch_panic_index(ptr @.str.155, i64 152, i64 1, i64 %t6)
   unreachable
-inrange138:
+inrange163:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i64 1
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.146, i64 7, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.156, i64 7, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br label %logic.from139
-logic.from139:
-  br i1 %t14, label %logic.end141, label %logic.rhs140
-logic.rhs140:
+  br label %logic.from164
+logic.from164:
+  br i1 %t14, label %logic.end166, label %logic.rhs165
+logic.rhs165:
   %t15 = load { ptr, i64, i64 }, ptr %a1
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 1, %t16
-  br i1 %t17, label %range142, label %inrange143
-range142:
-  call void @finch_panic_index(ptr @.str.147, i64 133, i64 1, i64 %t16)
+  br i1 %t17, label %range167, label %inrange168
+range167:
+  call void @finch_panic_index(ptr @.str.157, i64 152, i64 1, i64 %t16)
   unreachable
-inrange143:
+inrange168:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 1
   %t20 = load { ptr, i64, i64 }, ptr %t19
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.148, i64 9, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.158, i64 9, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend144
-logic.rend144:
-  br label %logic.end141
-logic.end141:
-  %t25 = phi i1 [ true, %logic.from139 ], [ %t24, %logic.rend144 ]
-  br label %logic.rend145
-logic.rend145:
-  br label %logic.end136
-logic.end136:
-  %t26 = phi i1 [ false, %logic.from134 ], [ %t25, %logic.rend145 ]
-  br i1 %t26, label %then146, label %endif148
-then146:
-  %t27 = extractvalue { ptr, i64, i64 } { ptr @.str.149, i64 46, i64 0 }, 1
+  br label %logic.rend169
+logic.rend169:
+  br label %logic.end166
+logic.end166:
+  %t25 = phi i1 [ true, %logic.from164 ], [ %t24, %logic.rend169 ]
+  br label %logic.rend170
+logic.rend170:
+  br label %logic.end161
+logic.end161:
+  %t26 = phi i1 [ false, %logic.from159 ], [ %t25, %logic.rend170 ]
+  br i1 %t26, label %then171, label %endif173
+then171:
+  %t27 = extractvalue { ptr, i64, i64 } { ptr @.str.159, i64 46, i64 0 }, 1
   %t28 = trunc i64 %t27 to i32
-  %t29 = extractvalue { ptr, i64, i64 } { ptr @.str.149, i64 46, i64 0 }, 0
+  %t29 = extractvalue { ptr, i64, i64 } { ptr @.str.159, i64 46, i64 0 }, 0
   %t30 = icmp eq ptr %t29, null
-  %t31 = select i1 %t30, ptr @.str.150, ptr %t29
-  %t32 = call i32 (ptr, ...) @printf(ptr @.str.151, i32 %t28, ptr %t31)
-  %t33 = call i32 (ptr, ...) @printf(ptr @.str.152)
+  %t31 = select i1 %t30, ptr @.str.160, ptr %t29
+  %t32 = call i32 (ptr, ...) @printf(ptr @.str.161, i32 %t28, ptr %t31)
+  %t33 = call i32 (ptr, ...) @printf(ptr @.str.162)
   ret i64 0
-endif148:
+endif173:
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t35 = load i64, ptr %t34
   %t36 = icmp eq i64 %t35, 2
-  br label %logic.from149
-logic.from149:
-  br i1 %t36, label %logic.rhs150, label %logic.end151
-logic.rhs150:
+  br label %logic.from174
+logic.from174:
+  br i1 %t36, label %logic.rhs175, label %logic.end176
+logic.rhs175:
   %t37 = load { ptr, i64, i64 }, ptr %a1
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 1, %t38
-  br i1 %t39, label %range152, label %inrange153
-range152:
-  call void @finch_panic_index(ptr @.str.153, i64 137, i64 1, i64 %t38)
+  br i1 %t39, label %range177, label %inrange178
+range177:
+  call void @finch_panic_index(ptr @.str.163, i64 156, i64 1, i64 %t38)
   unreachable
-inrange153:
+inrange178:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 1
   %t42 = load { ptr, i64, i64 }, ptr %t41
   store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.154, i64 3, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.164, i64 3, i64 0 }, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend154
-logic.rend154:
-  br label %logic.end151
-logic.end151:
-  %t47 = phi i1 [ false, %logic.from149 ], [ %t46, %logic.rend154 ]
-  br i1 %t47, label %then155, label %endif157
-then155:
+  br label %logic.rend179
+logic.rend179:
+  br label %logic.end176
+logic.end176:
+  %t47 = phi i1 [ false, %logic.from174 ], [ %t46, %logic.rend179 ]
+  br i1 %t47, label %then180, label %endif182
+then180:
   %t48 = load { ptr, i64, i64 }, ptr %a1
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 0, %t49
-  br i1 %t50, label %range158, label %inrange159
-range158:
-  call void @finch_panic_index(ptr @.str.155, i64 138, i64 0, i64 %t49)
+  br i1 %t50, label %range183, label %inrange184
+range183:
+  call void @finch_panic_index(ptr @.str.165, i64 157, i64 0, i64 %t49)
   unreachable
-inrange159:
+inrange184:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i64 0
   %t53 = load { ptr, i64, i64 }, ptr %t52
   %t54 = call i64 @finch.lsp.run({ ptr, i64, i64 } %t53)
   ret i64 %t54
-endif157:
+endif182:
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = icmp slt i64 %t56, 3
-  br i1 %t57, label %then160, label %endif162
-then160:
+  br i1 %t57, label %then185, label %endif187
+then185:
   call void @finch.main.usage()
-  br label %endif162
-endif162:
+  br label %endif187
+endif187:
   %t58 = load { ptr, i64, i64 }, ptr %a1
   %t59 = extractvalue { ptr, i64, i64 } %t58, 1
   %t60 = icmp uge i64 1, %t59
-  br i1 %t60, label %range163, label %inrange164
-range163:
-  call void @finch_panic_index(ptr @.str.156, i64 143, i64 1, i64 %t59)
+  br i1 %t60, label %range188, label %inrange189
+range188:
+  call void @finch_panic_index(ptr @.str.166, i64 162, i64 1, i64 %t59)
   unreachable
-inrange164:
+inrange189:
   %t61 = extractvalue { ptr, i64, i64 } %t58, 0
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i64 1
   %t63 = load { ptr, i64, i64 }, ptr %t62
@@ -9133,11 +10295,11 @@ inrange164:
   %t68 = load { ptr, i64, i64 }, ptr %a1
   %t69 = extractvalue { ptr, i64, i64 } %t68, 1
   %t70 = icmp uge i64 2, %t69
-  br i1 %t70, label %range165, label %inrange166
-range165:
-  call void @finch_panic_index(ptr @.str.157, i64 144, i64 2, i64 %t69)
+  br i1 %t70, label %range190, label %inrange191
+range190:
+  call void @finch_panic_index(ptr @.str.167, i64 163, i64 2, i64 %t69)
   unreachable
-inrange166:
+inrange191:
   %t71 = extractvalue { ptr, i64, i64 } %t68, 0
   %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i64 2
   %t73 = load { ptr, i64, i64 }, ptr %t72
@@ -9147,87 +10309,87 @@ inrange166:
   store { ptr, i64, i64 } %t76, ptr %a77
   %t78 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t78, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.158, i64 5, i64 0 }, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.168, i64 5, i64 0 }, ptr %a80
   %t81 = call i32 @finch_str_eq(ptr %a79, ptr %a80)
   %t82 = icmp eq i32 %t81, 0
-  br label %logic.from167
-logic.from167:
-  br i1 %t82, label %logic.rhs168, label %logic.end169
-logic.rhs168:
+  br label %logic.from192
+logic.from192:
+  br i1 %t82, label %logic.rhs193, label %logic.end194
+logic.rhs193:
   %t83 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t83, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.159, i64 3, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.169, i64 3, i64 0 }, ptr %a85
   %t86 = call i32 @finch_str_eq(ptr %a84, ptr %a85)
   %t87 = icmp eq i32 %t86, 0
-  br label %logic.rend170
-logic.rend170:
-  br label %logic.end169
-logic.end169:
-  %t88 = phi i1 [ false, %logic.from167 ], [ %t87, %logic.rend170 ]
-  br label %logic.from171
-logic.from171:
-  br i1 %t88, label %logic.rhs172, label %logic.end173
-logic.rhs172:
+  br label %logic.rend195
+logic.rend195:
+  br label %logic.end194
+logic.end194:
+  %t88 = phi i1 [ false, %logic.from192 ], [ %t87, %logic.rend195 ]
+  br label %logic.from196
+logic.from196:
+  br i1 %t88, label %logic.rhs197, label %logic.end198
+logic.rhs197:
   %t89 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.160, i64 2, i64 0 }, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.170, i64 2, i64 0 }, ptr %a91
   %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
   %t93 = icmp eq i32 %t92, 0
-  br label %logic.rend174
-logic.rend174:
-  br label %logic.end173
-logic.end173:
-  %t94 = phi i1 [ false, %logic.from171 ], [ %t93, %logic.rend174 ]
-  br label %logic.from175
-logic.from175:
-  br i1 %t94, label %logic.rhs176, label %logic.end177
-logic.rhs176:
+  br label %logic.rend199
+logic.rend199:
+  br label %logic.end198
+logic.end198:
+  %t94 = phi i1 [ false, %logic.from196 ], [ %t93, %logic.rend199 ]
+  br label %logic.from200
+logic.from200:
+  br i1 %t94, label %logic.rhs201, label %logic.end202
+logic.rhs201:
   %t95 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.161, i64 5, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.171, i64 5, i64 0 }, ptr %a97
   %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
   %t99 = icmp eq i32 %t98, 0
-  br label %logic.rend178
-logic.rend178:
-  br label %logic.end177
-logic.end177:
-  %t100 = phi i1 [ false, %logic.from175 ], [ %t99, %logic.rend178 ]
-  br i1 %t100, label %then179, label %endif181
-then179:
+  br label %logic.rend203
+logic.rend203:
+  br label %logic.end202
+logic.end202:
+  %t100 = phi i1 [ false, %logic.from200 ], [ %t99, %logic.rend203 ]
+  br i1 %t100, label %then204, label %endif206
+then204:
   call void @finch.main.usage()
-  br label %endif181
-endif181:
+  br label %endif206
+endif206:
   %t101 = load { ptr, i64, i64 }, ptr %a77
   %t102 = call { ptr, i64, i64 } @finch.main.stem({ ptr, i64, i64 } %t101)
   store { ptr, i64, i64 } %t102, ptr %a103
   store i1 false, ptr %a104
   store i1 false, ptr %a105
   store i1 false, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.162, i64 0, i64 0 }, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.163, i64 3, i64 0 }, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.172, i64 0, i64 0 }, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.173, i64 3, i64 0 }, ptr %a108
   store { ptr, i64, i64 } zeroinitializer, ptr %a109
   store { ptr, i64, i64 } zeroinitializer, ptr %a110
   store { ptr, i64, i64 } zeroinitializer, ptr %a111
   store { ptr, i64, i64 } zeroinitializer, ptr %a112
   store { ptr, i64, i64 } zeroinitializer, ptr %a113
   store i64 3, ptr %a114
-  br label %while.cond182
-while.cond182:
+  br label %while.cond207
+while.cond207:
   %t115 = load i64, ptr %a114
   %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t117 = load i64, ptr %t116
   %t118 = icmp slt i64 %t115, %t117
-  br i1 %t118, label %while.body183, label %while.end184
-while.body183:
+  br i1 %t118, label %while.body208, label %while.end209
+while.body208:
   %t119 = load i64, ptr %a114
   %t120 = load { ptr, i64, i64 }, ptr %a1
   %t121 = extractvalue { ptr, i64, i64 } %t120, 1
   %t122 = icmp uge i64 %t119, %t121
-  br i1 %t122, label %range185, label %inrange186
-range185:
-  call void @finch_panic_index(ptr @.str.164, i64 161, i64 %t119, i64 %t121)
+  br i1 %t122, label %range210, label %inrange211
+range210:
+  call void @finch_panic_index(ptr @.str.174, i64 180, i64 %t119, i64 %t121)
   unreachable
-inrange186:
+inrange211:
   %t123 = extractvalue { ptr, i64, i64 } %t120, 0
   %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i64 %t119
   %t125 = load { ptr, i64, i64 }, ptr %t124
@@ -9237,23 +10399,23 @@ inrange186:
   store { ptr, i64, i64 } %t128, ptr %a129
   %t130 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t130, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.165, i64 3, i64 0 }, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.175, i64 3, i64 0 }, ptr %a132
   %t133 = call i32 @finch_str_eq(ptr %a131, ptr %a132)
   %t134 = icmp ne i32 %t133, 0
-  br label %logic.from187
-logic.from187:
-  br i1 %t134, label %logic.rhs188, label %logic.end189
-logic.rhs188:
+  br label %logic.from212
+logic.from212:
+  br i1 %t134, label %logic.rhs213, label %logic.end214
+logic.rhs213:
   %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
   %t136 = load i64, ptr %t135
   %t137 = icmp sgt i64 %t136, 0
-  br label %logic.rend190
-logic.rend190:
-  br label %logic.end189
-logic.end189:
-  %t138 = phi i1 [ false, %logic.from187 ], [ %t137, %logic.rend190 ]
-  br i1 %t138, label %then191, label %else192
-then191:
+  br label %logic.rend215
+logic.rend215:
+  br label %logic.end214
+logic.end214:
+  %t138 = phi i1 [ false, %logic.from212 ], [ %t137, %logic.rend215 ]
+  br i1 %t138, label %then216, label %else217
+then216:
   %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
   %t140 = load { ptr, i64, i64 }, ptr %a129
   store { ptr, i64, i64 } %t140, ptr %a141
@@ -9266,1388 +10428,1630 @@ then191:
   %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i64 %t144
   store { ptr, i64, i64 } %t143, ptr %t147
   store i64 %t145, ptr %t139
-  br label %endif193
-else192:
+  br label %endif218
+else217:
   %t148 = load { ptr, i64, i64 }, ptr %a129
   store { ptr, i64, i64 } %t148, ptr %a149
-  store { ptr, i64, i64 } { ptr @.str.166, i64 2, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } { ptr @.str.176, i64 2, i64 0 }, ptr %a150
   %t151 = call i32 @finch_str_eq(ptr %a149, ptr %a150)
   %t152 = icmp ne i32 %t151, 0
-  br label %logic.from194
-logic.from194:
-  br i1 %t152, label %logic.rhs195, label %logic.end196
-logic.rhs195:
+  br label %logic.from219
+logic.from219:
+  br i1 %t152, label %logic.rhs220, label %logic.end221
+logic.rhs220:
   %t153 = load i64, ptr %a114
   %t154 = add i64 %t153, 1
   %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t156 = load i64, ptr %t155
   %t157 = icmp slt i64 %t154, %t156
-  br label %logic.rend197
-logic.rend197:
-  br label %logic.end196
-logic.end196:
-  %t158 = phi i1 [ false, %logic.from194 ], [ %t157, %logic.rend197 ]
-  br label %logic.from198
-logic.from198:
-  br i1 %t158, label %logic.rhs199, label %logic.end200
-logic.rhs199:
+  br label %logic.rend222
+logic.rend222:
+  br label %logic.end221
+logic.end221:
+  %t158 = phi i1 [ false, %logic.from219 ], [ %t157, %logic.rend222 ]
+  br label %logic.from223
+logic.from223:
+  br i1 %t158, label %logic.rhs224, label %logic.end225
+logic.rhs224:
   %t159 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t159, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.167, i64 5, i64 0 }, ptr %a161
+  store { ptr, i64, i64 } { ptr @.str.177, i64 5, i64 0 }, ptr %a161
   %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
   %t163 = icmp ne i32 %t162, 0
-  br label %logic.rend201
-logic.rend201:
-  br label %logic.end200
-logic.end200:
-  %t164 = phi i1 [ false, %logic.from198 ], [ %t163, %logic.rend201 ]
-  br i1 %t164, label %then202, label %else203
-then202:
+  br label %logic.rend226
+logic.rend226:
+  br label %logic.end225
+logic.end225:
+  %t164 = phi i1 [ false, %logic.from223 ], [ %t163, %logic.rend226 ]
+  br i1 %t164, label %then227, label %else228
+then227:
   %t165 = load i64, ptr %a114
   %t166 = add i64 %t165, 1
   %t167 = load { ptr, i64, i64 }, ptr %a1
   %t168 = extractvalue { ptr, i64, i64 } %t167, 1
   %t169 = icmp uge i64 %t166, %t168
-  br i1 %t169, label %range205, label %inrange206
-range205:
-  call void @finch_panic_index(ptr @.str.168, i64 165, i64 %t166, i64 %t168)
+  br i1 %t169, label %range230, label %inrange231
+range230:
+  call void @finch_panic_index(ptr @.str.178, i64 184, i64 %t166, i64 %t168)
   unreachable
-inrange206:
+inrange231:
   %t170 = extractvalue { ptr, i64, i64 } %t167, 0
   %t171 = getelementptr inbounds { ptr, i64, i64 }, ptr %t170, i64 %t166
   %t172 = load { ptr, i64, i64 }, ptr %t171
   store { ptr, i64, i64 } %t172, ptr %a173
   call void @finch_str_copy(ptr %a174, ptr %a173)
   %t175 = load { ptr, i64, i64 }, ptr %a174
+  %t176 = load { ptr, i64, i64 }, ptr %a103
   store { ptr, i64, i64 } %t175, ptr %a103
+  store { ptr, i64, i64 } %t176, ptr %a177
+  call void @finch_str_drop(ptr %a177)
   store i1 true, ptr %a104
-  %t176 = load i64, ptr %a114
-  %t177 = add i64 %t176, 1
-  store i64 %t177, ptr %a114
-  br label %endif204
-else203:
-  %t178 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t178, ptr %a179
-  store { ptr, i64, i64 } { ptr @.str.169, i64 8, i64 0 }, ptr %a180
-  %t181 = call i32 @finch_str_eq(ptr %a179, ptr %a180)
-  %t182 = icmp ne i32 %t181, 0
-  br label %logic.from207
-logic.from207:
-  br i1 %t182, label %logic.rhs208, label %logic.end209
-logic.rhs208:
-  %t183 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t183, ptr %a184
-  store { ptr, i64, i64 } { ptr @.str.170, i64 5, i64 0 }, ptr %a185
-  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
-  %t187 = icmp ne i32 %t186, 0
-  br label %logic.rend210
-logic.rend210:
-  br label %logic.end209
-logic.end209:
-  %t188 = phi i1 [ false, %logic.from207 ], [ %t187, %logic.rend210 ]
-  br i1 %t188, label %then211, label %else212
-then211:
+  %t178 = load i64, ptr %a114
+  %t179 = add i64 %t178, 1
+  store i64 %t179, ptr %a114
+  br label %endif229
+else228:
+  %t180 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t180, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.179, i64 8, i64 0 }, ptr %a182
+  %t183 = call i32 @finch_str_eq(ptr %a181, ptr %a182)
+  %t184 = icmp ne i32 %t183, 0
+  br label %logic.from232
+logic.from232:
+  br i1 %t184, label %logic.rhs233, label %logic.end234
+logic.rhs233:
+  %t185 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t185, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.180, i64 5, i64 0 }, ptr %a187
+  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
+  %t189 = icmp ne i32 %t188, 0
+  br label %logic.rend235
+logic.rend235:
+  br label %logic.end234
+logic.end234:
+  %t190 = phi i1 [ false, %logic.from232 ], [ %t189, %logic.rend235 ]
+  br i1 %t190, label %then236, label %else237
+then236:
   store i1 true, ptr %a105
-  br label %endif213
-else212:
-  %t189 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t189, ptr %a190
-  store { ptr, i64, i64 } { ptr @.str.171, i64 3, i64 0 }, ptr %a191
-  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
-  %t193 = icmp ne i32 %t192, 0
-  br i1 %t193, label %then214, label %else215
-then214:
-  store { ptr, i64, i64 } { ptr @.str.172, i64 3, i64 0 }, ptr %a108
-  br label %endif216
-else215:
-  %t194 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t194, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.173, i64 2, i64 0 }, ptr %a196
-  %t197 = call i32 @finch_str_eq(ptr %a195, ptr %a196)
-  %t198 = icmp ne i32 %t197, 0
-  br label %logic.from217
-logic.from217:
-  br i1 %t198, label %logic.rhs218, label %logic.end219
-logic.rhs218:
-  %t199 = load i64, ptr %a114
-  %t200 = add i64 %t199, 1
-  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t202 = load i64, ptr %t201
-  %t203 = icmp slt i64 %t200, %t202
-  br label %logic.rend220
-logic.rend220:
-  br label %logic.end219
-logic.end219:
-  %t204 = phi i1 [ false, %logic.from217 ], [ %t203, %logic.rend220 ]
-  br i1 %t204, label %then221, label %else222
-then221:
-  %t205 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
-  %t206 = load i64, ptr %a114
-  %t207 = add i64 %t206, 1
-  %t208 = load { ptr, i64, i64 }, ptr %a1
-  %t209 = extractvalue { ptr, i64, i64 } %t208, 1
-  %t210 = icmp uge i64 %t207, %t209
-  br i1 %t210, label %range224, label %inrange225
-range224:
-  call void @finch_panic_index(ptr @.str.174, i64 173, i64 %t207, i64 %t209)
-  unreachable
-inrange225:
-  %t211 = extractvalue { ptr, i64, i64 } %t208, 0
-  %t212 = getelementptr inbounds { ptr, i64, i64 }, ptr %t211, i64 %t207
-  %t213 = load { ptr, i64, i64 }, ptr %t212
-  store { ptr, i64, i64 } %t213, ptr %a214
-  call void @finch_str_copy(ptr %a215, ptr %a214)
-  %t216 = load { ptr, i64, i64 }, ptr %a215
-  %t217 = load i64, ptr %t205
-  %t218 = add i64 %t217, 1
-  call void @finch_arr_reserve(ptr %a109, i64 %t218, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t219 = load ptr, ptr %a109
-  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %t219, i64 %t217
-  store { ptr, i64, i64 } %t216, ptr %t220
-  store i64 %t218, ptr %t205
-  %t221 = load i64, ptr %a114
-  %t222 = add i64 %t221, 1
-  store i64 %t222, ptr %a114
-  br label %endif223
-else222:
-  %t223 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t223, ptr %a224
-  store { ptr, i64, i64 } { ptr @.str.176, i64 2, i64 0 }, ptr %a226
-  %t227 = call i32 @finch_str_starts(ptr %a224, ptr %a226)
-  %t228 = icmp ne i32 %t227, 0
-  br label %logic.from226
-logic.from226:
-  br i1 %t228, label %logic.rhs227, label %logic.end228
-logic.rhs227:
-  %t229 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  %t230 = load i64, ptr %t229
-  %t231 = icmp sgt i64 %t230, 2
-  br label %logic.rend229
-logic.rend229:
-  br label %logic.end228
-logic.end228:
-  %t232 = phi i1 [ false, %logic.from226 ], [ %t231, %logic.rend229 ]
-  br i1 %t232, label %then230, label %else231
-then230:
-  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
-  %t234 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t234, ptr %a235
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  %t238 = load i64, ptr %t237
-  call void @finch_str_sub(ptr %a236, ptr %a235, i64 2, i64 %t238, ptr @.str.177, i64 176)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
-  %t240 = load i64, ptr %t233
-  %t241 = add i64 %t240, 1
-  call void @finch_arr_reserve(ptr %a109, i64 %t241, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t242 = load ptr, ptr %a109
-  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i64 %t240
-  store { ptr, i64, i64 } %t239, ptr %t243
-  store i64 %t241, ptr %t233
-  br label %endif232
-else231:
-  %t244 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t244, ptr %a245
-  store { ptr, i64, i64 } { ptr @.str.178, i64 2, i64 0 }, ptr %a246
-  %t247 = call i32 @finch_str_eq(ptr %a245, ptr %a246)
-  %t248 = icmp ne i32 %t247, 0
-  br label %logic.from233
-logic.from233:
-  br i1 %t248, label %logic.rhs234, label %logic.end235
-logic.rhs234:
-  %t249 = load i64, ptr %a114
-  %t250 = add i64 %t249, 1
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  %t253 = icmp slt i64 %t250, %t252
-  br label %logic.rend236
-logic.rend236:
-  br label %logic.end235
-logic.end235:
-  %t254 = phi i1 [ false, %logic.from233 ], [ %t253, %logic.rend236 ]
-  br i1 %t254, label %then237, label %else238
-then237:
-  %t255 = getelementptr inbounds { ptr, i64, i64 }, ptr %a110, i32 0, i32 1
-  %t256 = load i64, ptr %a114
-  %t257 = add i64 %t256, 1
-  %t258 = load { ptr, i64, i64 }, ptr %a1
-  %t259 = extractvalue { ptr, i64, i64 } %t258, 1
-  %t260 = icmp uge i64 %t257, %t259
-  br i1 %t260, label %range240, label %inrange241
-range240:
-  call void @finch_panic_index(ptr @.str.179, i64 178, i64 %t257, i64 %t259)
-  unreachable
-inrange241:
-  %t261 = extractvalue { ptr, i64, i64 } %t258, 0
-  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t261, i64 %t257
-  %t263 = load { ptr, i64, i64 }, ptr %t262
-  store { ptr, i64, i64 } %t263, ptr %a264
-  call void @finch_str_copy(ptr %a265, ptr %a264)
-  %t266 = load { ptr, i64, i64 }, ptr %a265
-  %t267 = load i64, ptr %t255
-  %t268 = add i64 %t267, 1
-  call void @finch_arr_reserve(ptr %a110, i64 %t268, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t269 = load ptr, ptr %a110
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i64 %t267
-  store { ptr, i64, i64 } %t266, ptr %t270
-  store i64 %t268, ptr %t255
-  %t271 = load i64, ptr %a114
-  %t272 = add i64 %t271, 1
-  store i64 %t272, ptr %a114
-  br label %endif239
-else238:
-  %t273 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t273, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.180, i64 9, i64 0 }, ptr %a275
-  %t276 = call i32 @finch_str_eq(ptr %a274, ptr %a275)
-  %t277 = icmp ne i32 %t276, 0
+  br label %endif238
+else237:
+  %t191 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t191, ptr %a192
+  store { ptr, i64, i64 } { ptr @.str.181, i64 3, i64 0 }, ptr %a193
+  %t194 = call i32 @finch_str_eq(ptr %a192, ptr %a193)
+  %t195 = icmp ne i32 %t194, 0
+  br i1 %t195, label %then239, label %else240
+then239:
+  %t196 = load { ptr, i64, i64 }, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.182, i64 3, i64 0 }, ptr %a108
+  store { ptr, i64, i64 } %t196, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  br label %endif241
+else240:
+  %t198 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t198, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.183, i64 2, i64 0 }, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp ne i32 %t201, 0
   br label %logic.from242
 logic.from242:
-  br i1 %t277, label %logic.rhs243, label %logic.end244
+  br i1 %t202, label %logic.rhs243, label %logic.end244
 logic.rhs243:
-  %t278 = load i64, ptr %a114
-  %t279 = add i64 %t278, 1
-  %t280 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t281 = load i64, ptr %t280
-  %t282 = icmp slt i64 %t279, %t281
+  %t203 = load i64, ptr %a114
+  %t204 = add i64 %t203, 1
+  %t205 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t206 = load i64, ptr %t205
+  %t207 = icmp slt i64 %t204, %t206
   br label %logic.rend245
 logic.rend245:
   br label %logic.end244
 logic.end244:
-  %t283 = phi i1 [ false, %logic.from242 ], [ %t282, %logic.rend245 ]
-  br i1 %t283, label %then246, label %else247
+  %t208 = phi i1 [ false, %logic.from242 ], [ %t207, %logic.rend245 ]
+  br i1 %t208, label %then246, label %else247
 then246:
-  %t284 = load i64, ptr %a114
-  %t285 = add i64 %t284, 1
-  %t286 = load { ptr, i64, i64 }, ptr %a1
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 %t285, %t287
-  br i1 %t288, label %range249, label %inrange250
+  %t209 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
+  %t210 = load i64, ptr %a114
+  %t211 = add i64 %t210, 1
+  %t212 = load { ptr, i64, i64 }, ptr %a1
+  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
+  %t214 = icmp uge i64 %t211, %t213
+  br i1 %t214, label %range249, label %inrange250
 range249:
-  call void @finch_panic_index(ptr @.str.181, i64 181, i64 %t285, i64 %t287)
+  call void @finch_panic_index(ptr @.str.184, i64 192, i64 %t211, i64 %t213)
   unreachable
 inrange250:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i64 %t285
-  %t291 = load { ptr, i64, i64 }, ptr %t290
-  store { ptr, i64, i64 } %t291, ptr %a292
-  store { ptr, i64, i64 } { ptr @.str.183, i64 1, i64 0 }, ptr %a294
-  call void @finch_str_split(ptr %a295, ptr %a292, ptr %a294)
-  %t296 = load { ptr, i64, i64 }, ptr %a295
-  store { ptr, i64, i64 } %t296, ptr %a297
-  %t298 = getelementptr inbounds { ptr, i64, i64 }, ptr %a111, i32 0, i32 1
-  %t299 = load { ptr, i64, i64 }, ptr %a297
-  %t300 = extractvalue { ptr, i64, i64 } %t299, 1
-  %t301 = icmp uge i64 0, %t300
-  br i1 %t301, label %range251, label %inrange252
-range251:
-  call void @finch_panic_index(ptr @.str.184, i64 182, i64 0, i64 %t300)
-  unreachable
-inrange252:
-  %t302 = extractvalue { ptr, i64, i64 } %t299, 0
-  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t302, i64 0
-  %t304 = load { ptr, i64, i64 }, ptr %t303
-  store { ptr, i64, i64 } %t304, ptr %a305
-  call void @finch_str_copy(ptr %a306, ptr %a305)
-  %t307 = load { ptr, i64, i64 }, ptr %a306
-  %t308 = load i64, ptr %t298
-  %t309 = add i64 %t308, 1
-  call void @finch_arr_reserve(ptr %a111, i64 %t309, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t310 = load ptr, ptr %a111
-  %t311 = getelementptr inbounds { ptr, i64, i64 }, ptr %t310, i64 %t308
-  store { ptr, i64, i64 } %t307, ptr %t311
-  store i64 %t309, ptr %t298
-  %t312 = getelementptr inbounds { ptr, i64, i64 }, ptr %a112, i32 0, i32 1
-  %t313 = load { ptr, i64, i64 }, ptr %a297
-  %t314 = extractvalue { ptr, i64, i64 } %t313, 1
-  %t315 = icmp uge i64 1, %t314
-  br i1 %t315, label %range253, label %inrange254
-range253:
-  call void @finch_panic_index(ptr @.str.185, i64 183, i64 1, i64 %t314)
-  unreachable
-inrange254:
-  %t316 = extractvalue { ptr, i64, i64 } %t313, 0
-  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t316, i64 1
-  %t318 = load { ptr, i64, i64 }, ptr %t317
-  store { ptr, i64, i64 } %t318, ptr %a319
-  call void @finch_str_copy(ptr %a320, ptr %a319)
-  %t321 = load { ptr, i64, i64 }, ptr %a320
-  %t322 = load i64, ptr %t312
-  %t323 = add i64 %t322, 1
-  call void @finch_arr_reserve(ptr %a112, i64 %t323, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t324 = load ptr, ptr %a112
-  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %t324, i64 %t322
-  store { ptr, i64, i64 } %t321, ptr %t325
-  store i64 %t323, ptr %t312
-  %t326 = load i64, ptr %a114
-  %t327 = add i64 %t326, 1
-  store i64 %t327, ptr %a114
+  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
+  %t216 = getelementptr inbounds { ptr, i64, i64 }, ptr %t215, i64 %t211
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } %t217, ptr %a218
+  call void @finch_str_copy(ptr %a219, ptr %a218)
+  %t220 = load { ptr, i64, i64 }, ptr %a219
+  %t221 = load i64, ptr %t209
+  %t222 = add i64 %t221, 1
+  call void @finch_arr_reserve(ptr %a109, i64 %t222, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t223 = load ptr, ptr %a109
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i64 %t221
+  store { ptr, i64, i64 } %t220, ptr %t224
+  store i64 %t222, ptr %t209
+  %t225 = load i64, ptr %a114
+  %t226 = add i64 %t225, 1
+  store i64 %t226, ptr %a114
   br label %endif248
 else247:
-  %t328 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t328, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.186, i64 2, i64 0 }, ptr %a330
-  %t331 = call i32 @finch_str_eq(ptr %a329, ptr %a330)
-  %t332 = icmp ne i32 %t331, 0
-  br i1 %t332, label %then255, label %else256
+  %t227 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t227, ptr %a228
+  store { ptr, i64, i64 } { ptr @.str.186, i64 2, i64 0 }, ptr %a230
+  %t231 = call i32 @finch_str_starts(ptr %a228, ptr %a230)
+  %t232 = icmp ne i32 %t231, 0
+  br label %logic.from251
+logic.from251:
+  br i1 %t232, label %logic.rhs252, label %logic.end253
+logic.rhs252:
+  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
+  %t234 = load i64, ptr %t233
+  %t235 = icmp sgt i64 %t234, 2
+  br label %logic.rend254
+logic.rend254:
+  br label %logic.end253
+logic.end253:
+  %t236 = phi i1 [ false, %logic.from251 ], [ %t235, %logic.rend254 ]
+  br i1 %t236, label %then255, label %else256
 then255:
-  store i1 true, ptr %a106
+  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %a109, i32 0, i32 1
+  %t238 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t238, ptr %a239
+  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
+  %t242 = load i64, ptr %t241
+  call void @finch_str_sub(ptr %a240, ptr %a239, i64 2, i64 %t242, ptr @.str.187, i64 195)
+  %t243 = load { ptr, i64, i64 }, ptr %a240
+  %t244 = load i64, ptr %t237
+  %t245 = add i64 %t244, 1
+  call void @finch_arr_reserve(ptr %a109, i64 %t245, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t246 = load ptr, ptr %a109
+  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i64 %t244
+  store { ptr, i64, i64 } %t243, ptr %t247
+  store i64 %t245, ptr %t237
   br label %endif257
 else256:
-  %t333 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t333, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.187, i64 8, i64 0 }, ptr %a335
-  %t336 = call i32 @finch_str_eq(ptr %a334, ptr %a335)
-  %t337 = icmp ne i32 %t336, 0
+  %t248 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t248, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.188, i64 2, i64 0 }, ptr %a250
+  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
+  %t252 = icmp ne i32 %t251, 0
   br label %logic.from258
 logic.from258:
-  br i1 %t337, label %logic.rhs259, label %logic.end260
+  br i1 %t252, label %logic.rhs259, label %logic.end260
 logic.rhs259:
-  %t338 = load i64, ptr %a114
-  %t339 = add i64 %t338, 1
-  %t340 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
-  %t341 = load i64, ptr %t340
-  %t342 = icmp slt i64 %t339, %t341
+  %t253 = load i64, ptr %a114
+  %t254 = add i64 %t253, 1
+  %t255 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t256 = load i64, ptr %t255
+  %t257 = icmp slt i64 %t254, %t256
   br label %logic.rend261
 logic.rend261:
   br label %logic.end260
 logic.end260:
-  %t343 = phi i1 [ false, %logic.from258 ], [ %t342, %logic.rend261 ]
-  br i1 %t343, label %then262, label %else263
+  %t258 = phi i1 [ false, %logic.from258 ], [ %t257, %logic.rend261 ]
+  br i1 %t258, label %then262, label %else263
 then262:
-  %t344 = load i64, ptr %a114
-  %t345 = add i64 %t344, 1
-  %t346 = load { ptr, i64, i64 }, ptr %a1
-  %t347 = extractvalue { ptr, i64, i64 } %t346, 1
-  %t348 = icmp uge i64 %t345, %t347
-  br i1 %t348, label %range265, label %inrange266
+  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %a110, i32 0, i32 1
+  %t260 = load i64, ptr %a114
+  %t261 = add i64 %t260, 1
+  %t262 = load { ptr, i64, i64 }, ptr %a1
+  %t263 = extractvalue { ptr, i64, i64 } %t262, 1
+  %t264 = icmp uge i64 %t261, %t263
+  br i1 %t264, label %range265, label %inrange266
 range265:
-  call void @finch_panic_index(ptr @.str.188, i64 188, i64 %t345, i64 %t347)
+  call void @finch_panic_index(ptr @.str.189, i64 197, i64 %t261, i64 %t263)
   unreachable
 inrange266:
-  %t349 = extractvalue { ptr, i64, i64 } %t346, 0
-  %t350 = getelementptr inbounds { ptr, i64, i64 }, ptr %t349, i64 %t345
-  %t351 = load { ptr, i64, i64 }, ptr %t350
-  store { ptr, i64, i64 } %t351, ptr %a352
-  call void @finch_str_copy(ptr %a353, ptr %a352)
-  %t354 = load { ptr, i64, i64 }, ptr %a353
-  store { ptr, i64, i64 } %t354, ptr %a107
-  %t355 = load i64, ptr %a114
-  %t356 = add i64 %t355, 1
-  store i64 %t356, ptr %a114
+  %t265 = extractvalue { ptr, i64, i64 } %t262, 0
+  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 %t261
+  %t267 = load { ptr, i64, i64 }, ptr %t266
+  store { ptr, i64, i64 } %t267, ptr %a268
+  call void @finch_str_copy(ptr %a269, ptr %a268)
+  %t270 = load { ptr, i64, i64 }, ptr %a269
+  %t271 = load i64, ptr %t259
+  %t272 = add i64 %t271, 1
+  call void @finch_arr_reserve(ptr %a110, i64 %t272, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t273 = load ptr, ptr %a110
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 %t271
+  store { ptr, i64, i64 } %t270, ptr %t274
+  store i64 %t272, ptr %t259
+  %t275 = load i64, ptr %a114
+  %t276 = add i64 %t275, 1
+  store i64 %t276, ptr %a114
   br label %endif264
 else263:
-  %t357 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t357, ptr %a358
-  store { ptr, i64, i64 } { ptr @.str.189, i64 3, i64 0 }, ptr %a359
-  %t360 = call i32 @finch_str_eq(ptr %a358, ptr %a359)
-  %t361 = icmp ne i32 %t360, 0
-  br i1 %t361, label %then267, label %else268
-then267:
-  %t362 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
-  %t363 = load { ptr, i64, i64 }, ptr %a129
+  %t277 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t277, ptr %a278
+  store { ptr, i64, i64 } { ptr @.str.190, i64 9, i64 0 }, ptr %a279
+  %t280 = call i32 @finch_str_eq(ptr %a278, ptr %a279)
+  %t281 = icmp ne i32 %t280, 0
+  br label %logic.from267
+logic.from267:
+  br i1 %t281, label %logic.rhs268, label %logic.end269
+logic.rhs268:
+  %t282 = load i64, ptr %a114
+  %t283 = add i64 %t282, 1
+  %t284 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t285 = load i64, ptr %t284
+  %t286 = icmp slt i64 %t283, %t285
+  br label %logic.rend270
+logic.rend270:
+  br label %logic.end269
+logic.end269:
+  %t287 = phi i1 [ false, %logic.from267 ], [ %t286, %logic.rend270 ]
+  br i1 %t287, label %then271, label %else272
+then271:
+  %t288 = load i64, ptr %a114
+  %t289 = add i64 %t288, 1
+  %t290 = load { ptr, i64, i64 }, ptr %a1
+  %t291 = extractvalue { ptr, i64, i64 } %t290, 1
+  %t292 = icmp uge i64 %t289, %t291
+  br i1 %t292, label %range274, label %inrange275
+range274:
+  call void @finch_panic_index(ptr @.str.191, i64 200, i64 %t289, i64 %t291)
+  unreachable
+inrange275:
+  %t293 = extractvalue { ptr, i64, i64 } %t290, 0
+  %t294 = getelementptr inbounds { ptr, i64, i64 }, ptr %t293, i64 %t289
+  %t295 = load { ptr, i64, i64 }, ptr %t294
+  store { ptr, i64, i64 } %t295, ptr %a296
+  store { ptr, i64, i64 } { ptr @.str.193, i64 1, i64 0 }, ptr %a298
+  call void @finch_str_split(ptr %a299, ptr %a296, ptr %a298)
+  %t300 = load { ptr, i64, i64 }, ptr %a299
+  store { ptr, i64, i64 } %t300, ptr %a301
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %a111, i32 0, i32 1
+  %t303 = load { ptr, i64, i64 }, ptr %a301
+  %t304 = extractvalue { ptr, i64, i64 } %t303, 1
+  %t305 = icmp uge i64 0, %t304
+  br i1 %t305, label %range276, label %inrange277
+range276:
+  call void @finch_panic_index(ptr @.str.194, i64 201, i64 0, i64 %t304)
+  unreachable
+inrange277:
+  %t306 = extractvalue { ptr, i64, i64 } %t303, 0
+  %t307 = getelementptr inbounds { ptr, i64, i64 }, ptr %t306, i64 0
+  %t308 = load { ptr, i64, i64 }, ptr %t307
+  store { ptr, i64, i64 } %t308, ptr %a309
+  call void @finch_str_copy(ptr %a310, ptr %a309)
+  %t311 = load { ptr, i64, i64 }, ptr %a310
+  %t312 = load i64, ptr %t302
+  %t313 = add i64 %t312, 1
+  call void @finch_arr_reserve(ptr %a111, i64 %t313, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t314 = load ptr, ptr %a111
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 %t312
+  store { ptr, i64, i64 } %t311, ptr %t315
+  store i64 %t313, ptr %t302
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %a112, i32 0, i32 1
+  %t317 = load { ptr, i64, i64 }, ptr %a301
+  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
+  %t319 = icmp uge i64 1, %t318
+  br i1 %t319, label %range278, label %inrange279
+range278:
+  call void @finch_panic_index(ptr @.str.195, i64 202, i64 1, i64 %t318)
+  unreachable
+inrange279:
+  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
+  %t321 = getelementptr inbounds { ptr, i64, i64 }, ptr %t320, i64 1
+  %t322 = load { ptr, i64, i64 }, ptr %t321
+  store { ptr, i64, i64 } %t322, ptr %a323
+  call void @finch_str_copy(ptr %a324, ptr %a323)
+  %t325 = load { ptr, i64, i64 }, ptr %a324
+  %t326 = load i64, ptr %t316
+  %t327 = add i64 %t326, 1
+  call void @finch_arr_reserve(ptr %a112, i64 %t327, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t328 = load ptr, ptr %a112
+  %t329 = getelementptr inbounds { ptr, i64, i64 }, ptr %t328, i64 %t326
+  store { ptr, i64, i64 } %t325, ptr %t329
+  store i64 %t327, ptr %t316
+  %t330 = load i64, ptr %a114
+  %t331 = add i64 %t330, 1
+  store i64 %t331, ptr %a114
+  call void @finch.drop.arr_str(ptr %a301)
+  br label %endif273
+else272:
+  %t332 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t332, ptr %a333
+  store { ptr, i64, i64 } { ptr @.str.196, i64 2, i64 0 }, ptr %a334
+  %t335 = call i32 @finch_str_eq(ptr %a333, ptr %a334)
+  %t336 = icmp ne i32 %t335, 0
+  br i1 %t336, label %then280, label %else281
+then280:
+  store i1 true, ptr %a106
+  br label %endif282
+else281:
+  %t337 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t337, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.197, i64 8, i64 0 }, ptr %a339
+  %t340 = call i32 @finch_str_eq(ptr %a338, ptr %a339)
+  %t341 = icmp ne i32 %t340, 0
+  br label %logic.from283
+logic.from283:
+  br i1 %t341, label %logic.rhs284, label %logic.end285
+logic.rhs284:
+  %t342 = load i64, ptr %a114
+  %t343 = add i64 %t342, 1
+  %t344 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t345 = load i64, ptr %t344
+  %t346 = icmp slt i64 %t343, %t345
+  br label %logic.rend286
+logic.rend286:
+  br label %logic.end285
+logic.end285:
+  %t347 = phi i1 [ false, %logic.from283 ], [ %t346, %logic.rend286 ]
+  br i1 %t347, label %then287, label %else288
+then287:
+  %t348 = load i64, ptr %a114
+  %t349 = add i64 %t348, 1
+  %t350 = load { ptr, i64, i64 }, ptr %a1
+  %t351 = extractvalue { ptr, i64, i64 } %t350, 1
+  %t352 = icmp uge i64 %t349, %t351
+  br i1 %t352, label %range290, label %inrange291
+range290:
+  call void @finch_panic_index(ptr @.str.198, i64 207, i64 %t349, i64 %t351)
+  unreachable
+inrange291:
+  %t353 = extractvalue { ptr, i64, i64 } %t350, 0
+  %t354 = getelementptr inbounds { ptr, i64, i64 }, ptr %t353, i64 %t349
+  %t355 = load { ptr, i64, i64 }, ptr %t354
+  store { ptr, i64, i64 } %t355, ptr %a356
+  call void @finch_str_copy(ptr %a357, ptr %a356)
+  %t358 = load { ptr, i64, i64 }, ptr %a357
+  %t359 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t358, ptr %a107
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  %t361 = load i64, ptr %a114
+  %t362 = add i64 %t361, 1
+  store i64 %t362, ptr %a114
+  br label %endif289
+else288:
+  %t363 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t363, ptr %a364
-  call void @finch_str_copy(ptr %a365, ptr %a364)
-  %t366 = load { ptr, i64, i64 }, ptr %a365
-  %t367 = load i64, ptr %t362
-  %t368 = add i64 %t367, 1
-  call void @finch_arr_reserve(ptr %a113, i64 %t368, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t369 = load ptr, ptr %a113
-  %t370 = getelementptr inbounds { ptr, i64, i64 }, ptr %t369, i64 %t367
-  store { ptr, i64, i64 } %t366, ptr %t370
-  store i64 %t368, ptr %t362
-  br label %endif269
-else268:
+  store { ptr, i64, i64 } { ptr @.str.199, i64 3, i64 0 }, ptr %a365
+  %t366 = call i32 @finch_str_eq(ptr %a364, ptr %a365)
+  %t367 = icmp ne i32 %t366, 0
+  br i1 %t367, label %then292, label %else293
+then292:
+  %t368 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
+  %t369 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t369, ptr %a370
+  call void @finch_str_copy(ptr %a371, ptr %a370)
+  %t372 = load { ptr, i64, i64 }, ptr %a371
+  %t373 = load i64, ptr %t368
+  %t374 = add i64 %t373, 1
+  call void @finch_arr_reserve(ptr %a113, i64 %t374, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t375 = load ptr, ptr %a113
+  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t373
+  store { ptr, i64, i64 } %t372, ptr %t376
+  store i64 %t374, ptr %t368
+  br label %endif294
+else293:
   call void @finch.main.usage()
-  br label %endif269
-endif269:
+  br label %endif294
+endif294:
+  br label %endif289
+endif289:
+  br label %endif282
+endif282:
+  br label %endif273
+endif273:
   br label %endif264
 endif264:
   br label %endif257
 endif257:
   br label %endif248
 endif248:
-  br label %endif239
-endif239:
-  br label %endif232
-endif232:
-  br label %endif223
-endif223:
-  br label %endif216
-endif216:
-  br label %endif213
-endif213:
-  br label %endif204
-endif204:
-  br label %endif193
-endif193:
-  %t371 = load i64, ptr %a114
-  %t372 = add i64 %t371, 1
-  store i64 %t372, ptr %a114
-  br label %while.cond182
-while.end184:
-  %t373 = load { ptr, i64, i64 }, ptr %a107
-  %t374 = call %S.platform.Target @finch.platform.select({ ptr, i64, i64 } %t373)
-  store %S.platform.Target %t374, ptr %a375
-  %t376 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t376, ptr %a377
-  store { ptr, i64, i64 } { ptr @.str.190, i64 3, i64 0 }, ptr %a378
-  %t379 = call i32 @finch_str_eq(ptr %a377, ptr %a378)
-  %t380 = icmp ne i32 %t379, 0
-  br i1 %t380, label %then270, label %else271
-then270:
-  %t381 = load { ptr, i64, i64 }, ptr %a77
-  %t382 = call { ptr, i64, i64 } @finch.main.stem({ ptr, i64, i64 } %t381)
-  store { ptr, i64, i64 } { ptr @.str.191, i64 15, i64 0 }, ptr %a384
-  store { ptr, i64, i64 } %t382, ptr %a385
-  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
-  %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 6
-  %t388 = load { ptr, i64, i64 }, ptr %t387
-  store { ptr, i64, i64 } %t386, ptr %a390
-  store { ptr, i64, i64 } %t388, ptr %a391
-  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
-  %t392 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t392, ptr %a103
-  br label %endif272
-else271:
-  %t393 = load i1, ptr %a105
-  br label %logic.from273
-logic.from273:
-  br i1 %t393, label %logic.rhs274, label %logic.end275
-logic.rhs274:
-  %t394 = load i1, ptr %a104
-  %t395 = xor i1 %t394, true
-  br label %logic.rend276
-logic.rend276:
-  br label %logic.end275
-logic.end275:
-  %t396 = phi i1 [ false, %logic.from273 ], [ %t395, %logic.rend276 ]
-  br i1 %t396, label %then277, label %else278
-then277:
-  %t397 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 1
-  %t398 = load i1, ptr %t397
-  br i1 %t398, label %then280, label %else281
-then280:
-  %t399 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t399, ptr %a401
-  store { ptr, i64, i64 } { ptr @.str.192, i64 4, i64 0 }, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t403, ptr %a103
-  br label %endif282
-else281:
-  %t404 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 3
-  %t405 = load i1, ptr %t404
-  br i1 %t405, label %then283, label %else284
-then283:
-  %t406 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.193, i64 3, i64 0 }, ptr %a408
-  store { ptr, i64, i64 } %t406, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  store { ptr, i64, i64 } %t410, ptr %a412
-  store { ptr, i64, i64 } { ptr @.str.194, i64 6, i64 0 }, ptr %a413
-  call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
-  %t414 = load { ptr, i64, i64 }, ptr %a411
-  store { ptr, i64, i64 } %t414, ptr %a103
-  br label %endif285
-else284:
-  %t415 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.195, i64 3, i64 0 }, ptr %a417
-  store { ptr, i64, i64 } %t415, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  store { ptr, i64, i64 } %t419, ptr %a421
-  store { ptr, i64, i64 } { ptr @.str.196, i64 3, i64 0 }, ptr %a422
-  call void @finch_str_concat(ptr %a420, ptr %a421, ptr %a422)
-  %t423 = load { ptr, i64, i64 }, ptr %a420
-  store { ptr, i64, i64 } %t423, ptr %a103
-  br label %endif285
-endif285:
-  br label %endif282
-endif282:
-  br label %endif279
-else278:
-  %t424 = load i1, ptr %a104
-  %t425 = xor i1 %t424, true
-  br i1 %t425, label %then286, label %endif288
-then286:
-  %t426 = load { ptr, i64, i64 }, ptr %a103
-  %t427 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 6
-  %t428 = load { ptr, i64, i64 }, ptr %t427
-  store { ptr, i64, i64 } %t426, ptr %a430
-  store { ptr, i64, i64 } %t428, ptr %a431
-  call void @finch_str_concat(ptr %a429, ptr %a430, ptr %a431)
-  %t432 = load { ptr, i64, i64 }, ptr %a429
-  store { ptr, i64, i64 } %t432, ptr %a103
-  br label %endif288
-endif288:
-  br label %endif279
-endif279:
-  br label %endif272
-endif272:
-  store %S.main.Loader zeroinitializer, ptr %a433
-  %t434 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 3
-  store { ptr, i64, i64 } { ptr @.str.197, i64 5, i64 0 }, ptr %t434
-  %t435 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 1
-  %t436 = load i1, ptr %t435
-  br i1 %t436, label %then289, label %else290
-then289:
-  %t437 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 3
-  store { ptr, i64, i64 } { ptr @.str.198, i64 7, i64 0 }, ptr %t437
-  br label %endif291
-else290:
-  %t438 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 3
-  %t439 = load i1, ptr %t438
-  br i1 %t439, label %then292, label %endif294
-then292:
-  %t440 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 3
-  store { ptr, i64, i64 } { ptr @.str.199, i64 5, i64 0 }, ptr %t440
-  br label %endif294
-endif294:
-  br label %endif291
-endif291:
-  %t441 = load { ptr, i64, i64 }, ptr %a1
-  %t442 = extractvalue { ptr, i64, i64 } %t441, 1
-  %t443 = icmp uge i64 0, %t442
-  br i1 %t443, label %range295, label %inrange296
-range295:
-  call void @finch_panic_index(ptr @.str.200, i64 219, i64 0, i64 %t442)
+  br label %endif241
+endif241:
+  br label %endif238
+endif238:
+  br label %endif229
+endif229:
+  br label %endif218
+endif218:
+  %t377 = load i64, ptr %a114
+  %t378 = add i64 %t377, 1
+  store i64 %t378, ptr %a114
+  call void @finch_str_drop(ptr %a129)
+  br label %while.cond207
+while.end209:
+  %t379 = load { ptr, i64, i64 }, ptr %a107
+  %t380 = call %S.platform.Target @finch.platform.select({ ptr, i64, i64 } %t379)
+  store %S.platform.Target %t380, ptr %a381
+  %t382 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t382, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.200, i64 3, i64 0 }, ptr %a384
+  %t385 = call i32 @finch_str_eq(ptr %a383, ptr %a384)
+  %t386 = icmp ne i32 %t385, 0
+  br i1 %t386, label %then295, label %else296
+then295:
+  %t387 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t387, ptr %a389
+  store { ptr, i64, i64 } { ptr @.str.201, i64 11, i64 0 }, ptr %a390
+  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t387, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = load { ptr, i64, i64 }, ptr %a388
+  %t393 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a394, i64 %t393)
+  %t395 = load { ptr, i64, i64 }, ptr %a394
+  store { ptr, i64, i64 } %t392, ptr %a397
+  store { ptr, i64, i64 } %t395, ptr %a398
+  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
+  store { ptr, i64, i64 } %t392, ptr %a399
+  call void @finch_str_drop(ptr %a399)
+  store { ptr, i64, i64 } %t395, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = load { ptr, i64, i64 }, ptr %a396
+  store { ptr, i64, i64 } %t401, ptr %a403
+  store { ptr, i64, i64 } { ptr @.str.202, i64 1, i64 0 }, ptr %a404
+  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
+  store { ptr, i64, i64 } %t401, ptr %a405
+  call void @finch_str_drop(ptr %a405)
+  %t406 = load { ptr, i64, i64 }, ptr %a402
+  %t407 = load { ptr, i64, i64 }, ptr %a77
+  %t408 = call { ptr, i64, i64 } @finch.main.stem({ ptr, i64, i64 } %t407)
+  store { ptr, i64, i64 } %t406, ptr %a410
+  store { ptr, i64, i64 } %t408, ptr %a411
+  call void @finch_str_concat(ptr %a409, ptr %a410, ptr %a411)
+  store { ptr, i64, i64 } %t406, ptr %a412
+  call void @finch_str_drop(ptr %a412)
+  store { ptr, i64, i64 } %t408, ptr %a413
+  call void @finch_str_drop(ptr %a413)
+  %t414 = load { ptr, i64, i64 }, ptr %a409
+  %t415 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 6
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  store { ptr, i64, i64 } %t414, ptr %a418
+  store { ptr, i64, i64 } %t416, ptr %a419
+  call void @finch_str_concat(ptr %a417, ptr %a418, ptr %a419)
+  store { ptr, i64, i64 } %t414, ptr %a420
+  call void @finch_str_drop(ptr %a420)
+  %t421 = load { ptr, i64, i64 }, ptr %a417
+  %t422 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t421, ptr %a103
+  store { ptr, i64, i64 } %t422, ptr %a423
+  call void @finch_str_drop(ptr %a423)
+  br label %endif297
+else296:
+  %t424 = load i1, ptr %a105
+  br label %logic.from298
+logic.from298:
+  br i1 %t424, label %logic.rhs299, label %logic.end300
+logic.rhs299:
+  %t425 = load i1, ptr %a104
+  %t426 = xor i1 %t425, true
+  br label %logic.rend301
+logic.rend301:
+  br label %logic.end300
+logic.end300:
+  %t427 = phi i1 [ false, %logic.from298 ], [ %t426, %logic.rend301 ]
+  br i1 %t427, label %then302, label %else303
+then302:
+  %t428 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 1
+  %t429 = load i1, ptr %t428
+  br i1 %t429, label %then305, label %else306
+then305:
+  %t430 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t430, ptr %a432
+  store { ptr, i64, i64 } { ptr @.str.203, i64 4, i64 0 }, ptr %a433
+  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
+  %t434 = load { ptr, i64, i64 }, ptr %a431
+  %t435 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t434, ptr %a103
+  store { ptr, i64, i64 } %t435, ptr %a436
+  call void @finch_str_drop(ptr %a436)
+  br label %endif307
+else306:
+  %t437 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 3
+  %t438 = load i1, ptr %t437
+  br i1 %t438, label %then308, label %else309
+then308:
+  %t439 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.204, i64 3, i64 0 }, ptr %a441
+  store { ptr, i64, i64 } %t439, ptr %a442
+  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
+  %t443 = load { ptr, i64, i64 }, ptr %a440
+  store { ptr, i64, i64 } %t443, ptr %a445
+  store { ptr, i64, i64 } { ptr @.str.205, i64 6, i64 0 }, ptr %a446
+  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
+  store { ptr, i64, i64 } %t443, ptr %a447
+  call void @finch_str_drop(ptr %a447)
+  %t448 = load { ptr, i64, i64 }, ptr %a444
+  %t449 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t448, ptr %a103
+  store { ptr, i64, i64 } %t449, ptr %a450
+  call void @finch_str_drop(ptr %a450)
+  br label %endif310
+else309:
+  %t451 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.206, i64 3, i64 0 }, ptr %a453
+  store { ptr, i64, i64 } %t451, ptr %a454
+  call void @finch_str_concat(ptr %a452, ptr %a453, ptr %a454)
+  %t455 = load { ptr, i64, i64 }, ptr %a452
+  store { ptr, i64, i64 } %t455, ptr %a457
+  store { ptr, i64, i64 } { ptr @.str.207, i64 3, i64 0 }, ptr %a458
+  call void @finch_str_concat(ptr %a456, ptr %a457, ptr %a458)
+  store { ptr, i64, i64 } %t455, ptr %a459
+  call void @finch_str_drop(ptr %a459)
+  %t460 = load { ptr, i64, i64 }, ptr %a456
+  %t461 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t460, ptr %a103
+  store { ptr, i64, i64 } %t461, ptr %a462
+  call void @finch_str_drop(ptr %a462)
+  br label %endif310
+endif310:
+  br label %endif307
+endif307:
+  br label %endif304
+else303:
+  %t463 = load i1, ptr %a104
+  %t464 = xor i1 %t463, true
+  br i1 %t464, label %then311, label %endif313
+then311:
+  %t465 = load { ptr, i64, i64 }, ptr %a103
+  %t466 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 6
+  %t467 = load { ptr, i64, i64 }, ptr %t466
+  store { ptr, i64, i64 } %t465, ptr %a469
+  store { ptr, i64, i64 } %t467, ptr %a470
+  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
+  %t471 = load { ptr, i64, i64 }, ptr %a468
+  %t472 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t471, ptr %a103
+  store { ptr, i64, i64 } %t472, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  br label %endif313
+endif313:
+  br label %endif304
+endif304:
+  br label %endif297
+endif297:
+  store %S.main.Loader zeroinitializer, ptr %a474
+  %t475 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 3
+  %t476 = load { ptr, i64, i64 }, ptr %t475
+  store { ptr, i64, i64 } { ptr @.str.208, i64 5, i64 0 }, ptr %t475
+  store { ptr, i64, i64 } %t476, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  %t478 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 1
+  %t479 = load i1, ptr %t478
+  br i1 %t479, label %then314, label %else315
+then314:
+  %t480 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 3
+  %t481 = load { ptr, i64, i64 }, ptr %t480
+  store { ptr, i64, i64 } { ptr @.str.209, i64 7, i64 0 }, ptr %t480
+  store { ptr, i64, i64 } %t481, ptr %a482
+  call void @finch_str_drop(ptr %a482)
+  br label %endif316
+else315:
+  %t483 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 3
+  %t484 = load i1, ptr %t483
+  br i1 %t484, label %then317, label %endif319
+then317:
+  %t485 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 3
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  store { ptr, i64, i64 } { ptr @.str.210, i64 5, i64 0 }, ptr %t485
+  store { ptr, i64, i64 } %t486, ptr %a487
+  call void @finch_str_drop(ptr %a487)
+  br label %endif319
+endif319:
+  br label %endif316
+endif316:
+  %t488 = load { ptr, i64, i64 }, ptr %a1
+  %t489 = extractvalue { ptr, i64, i64 } %t488, 1
+  %t490 = icmp uge i64 0, %t489
+  br i1 %t490, label %range320, label %inrange321
+range320:
+  call void @finch_panic_index(ptr @.str.211, i64 238, i64 0, i64 %t489)
   unreachable
-inrange296:
-  %t444 = extractvalue { ptr, i64, i64 } %t441, 0
-  %t445 = getelementptr inbounds { ptr, i64, i64 }, ptr %t444, i64 0
-  %t446 = load { ptr, i64, i64 }, ptr %t445
-  %t447 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t446)
-  store { ptr, i64, i64 } %t447, ptr %a449
-  store { ptr, i64, i64 } { ptr @.str.201, i64 7, i64 0 }, ptr %a450
-  call void @finch_str_concat(ptr %a448, ptr %a449, ptr %a450)
-  %t451 = load { ptr, i64, i64 }, ptr %a448
-  %t452 = load { ptr, i64, i64 }, ptr %a1
-  %t453 = extractvalue { ptr, i64, i64 } %t452, 1
-  %t454 = icmp uge i64 0, %t453
-  br i1 %t454, label %range297, label %inrange298
-range297:
-  call void @finch_panic_index(ptr @.str.202, i64 219, i64 0, i64 %t453)
+inrange321:
+  %t491 = extractvalue { ptr, i64, i64 } %t488, 0
+  %t492 = getelementptr inbounds { ptr, i64, i64 }, ptr %t491, i64 0
+  %t493 = load { ptr, i64, i64 }, ptr %t492
+  %t494 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t493)
+  store { ptr, i64, i64 } %t494, ptr %a496
+  store { ptr, i64, i64 } { ptr @.str.212, i64 7, i64 0 }, ptr %a497
+  call void @finch_str_concat(ptr %a495, ptr %a496, ptr %a497)
+  store { ptr, i64, i64 } %t494, ptr %a498
+  call void @finch_str_drop(ptr %a498)
+  %t499 = load { ptr, i64, i64 }, ptr %a495
+  %t500 = load { ptr, i64, i64 }, ptr %a1
+  %t501 = extractvalue { ptr, i64, i64 } %t500, 1
+  %t502 = icmp uge i64 0, %t501
+  br i1 %t502, label %range322, label %inrange323
+range322:
+  call void @finch_panic_index(ptr @.str.213, i64 238, i64 0, i64 %t501)
   unreachable
-inrange298:
-  %t455 = extractvalue { ptr, i64, i64 } %t452, 0
-  %t456 = getelementptr inbounds { ptr, i64, i64 }, ptr %t455, i64 0
-  %t457 = load { ptr, i64, i64 }, ptr %t456
-  %t458 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t457)
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.203, i64 4, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load { ptr, i64, i64 }, ptr %a1
-  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
-  %t465 = icmp uge i64 0, %t464
-  br i1 %t465, label %range299, label %inrange300
-range299:
-  call void @finch_panic_index(ptr @.str.204, i64 219, i64 0, i64 %t464)
-  unreachable
-inrange300:
-  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
-  %t467 = getelementptr inbounds { ptr, i64, i64 }, ptr %t466, i64 0
-  %t468 = load { ptr, i64, i64 }, ptr %t467
-  %t469 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t468)
-  store { ptr, i64, i64 } %t469, ptr %a471
-  store { ptr, i64, i64 } { ptr @.str.205, i64 19, i64 0 }, ptr %a472
-  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
-  %t473 = load { ptr, i64, i64 }, ptr %a470
-  %t474 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t475 = call ptr @finch_alloc(i64 %t474)
-  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 0
-  store { ptr, i64, i64 } %t451, ptr %t476
-  %t477 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 1
-  store { ptr, i64, i64 } %t462, ptr %t477
-  %t478 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 2
-  store { ptr, i64, i64 } %t473, ptr %t478
-  %t479 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 3
-  store { ptr, i64, i64 } { ptr @.str.206, i64 3, i64 0 }, ptr %t479
-  %t480 = insertvalue { ptr, i64, i64 } undef, ptr %t475, 0
-  %t481 = insertvalue { ptr, i64, i64 } %t480, i64 4, 1
-  %t482 = insertvalue { ptr, i64, i64 } %t481, i64 4, 2
-  store { ptr, i64, i64 } %t482, ptr %a483
-  store i64 0, ptr %a484
-  br label %each.cond301
-each.cond301:
-  %t485 = getelementptr inbounds { ptr, i64, i64 }, ptr %a483, i32 0, i32 1
-  %t486 = load i64, ptr %t485
-  %t487 = load i64, ptr %a484
-  %t488 = icmp slt i64 %t487, %t486
-  br i1 %t488, label %each.body302, label %each.end304
-each.body302:
-  %t489 = load ptr, ptr %a483
-  %t490 = getelementptr inbounds { ptr, i64, i64 }, ptr %t489, i64 %t487
-  %t491 = load { ptr, i64, i64 }, ptr %t490
-  store { ptr, i64, i64 } %t491, ptr %a492
-  %t493 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 4
-  %t494 = getelementptr inbounds { ptr, i64, i64 }, ptr %t493, i32 0, i32 1
-  %t495 = load i64, ptr %t494
-  %t496 = icmp eq i64 %t495, 0
-  br label %logic.from305
-logic.from305:
-  br i1 %t496, label %logic.rhs306, label %logic.end307
-logic.rhs306:
-  %t497 = load { ptr, i64, i64 }, ptr %a492
-  store { ptr, i64, i64 } %t497, ptr %a499
-  store { ptr, i64, i64 } { ptr @.str.207, i64 9, i64 0 }, ptr %a500
-  call void @finch_str_concat(ptr %a498, ptr %a499, ptr %a500)
-  %t501 = load { ptr, i64, i64 }, ptr %a498
-  store { ptr, i64, i64 } %t501, ptr %a502
-  %t503 = call i32 @finch_file_exists(ptr %a502)
-  %t504 = icmp ne i32 %t503, 0
-  br label %logic.rend308
-logic.rend308:
-  br label %logic.end307
-logic.end307:
-  %t505 = phi i1 [ false, %logic.from305 ], [ %t504, %logic.rend308 ]
-  br i1 %t505, label %then309, label %endif311
-then309:
-  %t506 = load { ptr, i64, i64 }, ptr %a492
-  %t507 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 4
+inrange323:
+  %t503 = extractvalue { ptr, i64, i64 } %t500, 0
+  %t504 = getelementptr inbounds { ptr, i64, i64 }, ptr %t503, i64 0
+  %t505 = load { ptr, i64, i64 }, ptr %t504
+  %t506 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t505)
   store { ptr, i64, i64 } %t506, ptr %a508
-  call void @finch_str_copy(ptr %a509, ptr %a508)
-  %t510 = load { ptr, i64, i64 }, ptr %a509
-  store { ptr, i64, i64 } %t510, ptr %t507
-  br label %endif311
-endif311:
-  br label %each.step303
-each.step303:
-  %t511 = load i64, ptr %a484
-  %t512 = add i64 %t511, 1
-  store i64 %t512, ptr %a484
-  br label %each.cond301
-each.end304:
-  %t513 = load { ptr, i64, i64 }, ptr %a111
-  %t514 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 6
-  store { ptr, i64, i64 } %t513, ptr %a515
-  call void @finch.copy.arr_str(ptr %a516, ptr %a515)
-  %t517 = load { ptr, i64, i64 }, ptr %a516
-  store { ptr, i64, i64 } %t517, ptr %t514
-  %t518 = load { ptr, i64, i64 }, ptr %a112
-  %t519 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 7
+  store { ptr, i64, i64 } { ptr @.str.214, i64 4, i64 0 }, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  %t512 = load { ptr, i64, i64 }, ptr %a1
+  %t513 = extractvalue { ptr, i64, i64 } %t512, 1
+  %t514 = icmp uge i64 0, %t513
+  br i1 %t514, label %range324, label %inrange325
+range324:
+  call void @finch_panic_index(ptr @.str.215, i64 238, i64 0, i64 %t513)
+  unreachable
+inrange325:
+  %t515 = extractvalue { ptr, i64, i64 } %t512, 0
+  %t516 = getelementptr inbounds { ptr, i64, i64 }, ptr %t515, i64 0
+  %t517 = load { ptr, i64, i64 }, ptr %t516
+  %t518 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t517)
   store { ptr, i64, i64 } %t518, ptr %a520
-  call void @finch.copy.arr_str(ptr %a521, ptr %a520)
-  %t522 = load { ptr, i64, i64 }, ptr %a521
-  store { ptr, i64, i64 } %t522, ptr %t519
-  %t523 = extractvalue { ptr, i64, i64 } { ptr @.str.208, i64 10, i64 0 }, 0
-  %t524 = icmp eq ptr %t523, null
-  %t525 = select i1 %t524, ptr @.str.209, ptr %t523
-  %t526 = call ptr @getenv(ptr %t525)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a527
-  call void @finch_str_from_c(ptr %a527, ptr %t526)
-  %t528 = load { ptr, i64, i64 }, ptr %a527
-  store { ptr, i64, i64 } %t528, ptr %a529
-  store { ptr, i64, i64 } { ptr @.str.211, i64 1, i64 0 }, ptr %a531
-  call void @finch_str_split(ptr %a532, ptr %a529, ptr %a531)
-  %t533 = load { ptr, i64, i64 }, ptr %a532
-  store { ptr, i64, i64 } %t533, ptr %a534
-  store i64 0, ptr %a535
-  br label %each.cond312
-each.cond312:
-  %t536 = getelementptr inbounds { ptr, i64, i64 }, ptr %a534, i32 0, i32 1
-  %t537 = load i64, ptr %t536
-  %t538 = load i64, ptr %a535
-  %t539 = icmp slt i64 %t538, %t537
-  br i1 %t539, label %each.body313, label %each.end315
-each.body313:
-  %t540 = load ptr, ptr %a534
-  %t541 = getelementptr inbounds { ptr, i64, i64 }, ptr %t540, i64 %t538
-  %t542 = load { ptr, i64, i64 }, ptr %t541
-  store { ptr, i64, i64 } %t542, ptr %a543
-  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %a543, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.216, i64 19, i64 0 }, ptr %a521
+  call void @finch_str_concat(ptr %a519, ptr %a520, ptr %a521)
+  store { ptr, i64, i64 } %t518, ptr %a522
+  call void @finch_str_drop(ptr %a522)
+  %t523 = load { ptr, i64, i64 }, ptr %a519
+  %t524 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t525 = call ptr @finch_alloc(i64 %t524)
+  %t526 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 0
+  store { ptr, i64, i64 } %t499, ptr %t526
+  %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 1
+  store { ptr, i64, i64 } %t511, ptr %t527
+  %t528 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 2
+  store { ptr, i64, i64 } %t523, ptr %t528
+  %t529 = getelementptr inbounds { ptr, i64, i64 }, ptr %t525, i64 3
+  store { ptr, i64, i64 } { ptr @.str.217, i64 3, i64 0 }, ptr %t529
+  %t530 = insertvalue { ptr, i64, i64 } undef, ptr %t525, 0
+  %t531 = insertvalue { ptr, i64, i64 } %t530, i64 4, 1
+  %t532 = insertvalue { ptr, i64, i64 } %t531, i64 4, 2
+  store { ptr, i64, i64 } %t532, ptr %a533
+  store i64 0, ptr %a534
+  br label %each.cond326
+each.cond326:
+  %t535 = getelementptr inbounds { ptr, i64, i64 }, ptr %a533, i32 0, i32 1
+  %t536 = load i64, ptr %t535
+  %t537 = load i64, ptr %a534
+  %t538 = icmp slt i64 %t537, %t536
+  br i1 %t538, label %each.body327, label %each.end329
+each.body327:
+  %t539 = load ptr, ptr %a533
+  %t540 = getelementptr inbounds { ptr, i64, i64 }, ptr %t539, i64 %t537
+  %t541 = load { ptr, i64, i64 }, ptr %t540
+  store { ptr, i64, i64 } %t541, ptr %a542
+  %t543 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i32 0, i32 1
   %t545 = load i64, ptr %t544
-  %t546 = icmp sgt i64 %t545, 0
-  br i1 %t546, label %then316, label %endif318
-then316:
-  %t547 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 5
-  %t548 = getelementptr inbounds { ptr, i64, i64 }, ptr %t547, i32 0, i32 1
-  %t549 = load { ptr, i64, i64 }, ptr %a543
-  store { ptr, i64, i64 } %t549, ptr %a550
-  call void @finch_str_copy(ptr %a551, ptr %a550)
-  %t552 = load { ptr, i64, i64 }, ptr %a551
-  %t553 = load i64, ptr %t548
-  %t554 = add i64 %t553, 1
-  call void @finch_arr_reserve(ptr %t547, i64 %t554, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t555 = load ptr, ptr %t547
-  %t556 = getelementptr inbounds { ptr, i64, i64 }, ptr %t555, i64 %t553
-  store { ptr, i64, i64 } %t552, ptr %t556
-  store i64 %t554, ptr %t548
-  br label %endif318
-endif318:
-  br label %each.step314
-each.step314:
-  %t557 = load i64, ptr %a535
-  %t558 = add i64 %t557, 1
-  store i64 %t558, ptr %a535
-  br label %each.cond312
-each.end315:
-  %t559 = load { ptr, i64, i64 }, ptr %a77
-  call void @finch.main.load(ptr %a433, { ptr, i64, i64 } %t559, { ptr, i64, i64 } { ptr @.str.212, i64 0, i64 0 })
-  store { ptr, i64, i64 } zeroinitializer, ptr %a560
-  store { ptr, i64, i64 } zeroinitializer, ptr %a561
-  %t562 = load { ptr, i64, i64 }, ptr %a110
+  %t546 = icmp eq i64 %t545, 0
+  br label %logic.from330
+logic.from330:
+  br i1 %t546, label %logic.rhs331, label %logic.end332
+logic.rhs331:
+  %t547 = load { ptr, i64, i64 }, ptr %a542
+  store { ptr, i64, i64 } %t547, ptr %a549
+  store { ptr, i64, i64 } { ptr @.str.218, i64 9, i64 0 }, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t551, ptr %a552
+  %t553 = call i32 @finch_file_exists(ptr %a552)
+  store { ptr, i64, i64 } %t551, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  %t555 = icmp ne i32 %t553, 0
+  br label %logic.rend333
+logic.rend333:
+  br label %logic.end332
+logic.end332:
+  %t556 = phi i1 [ false, %logic.from330 ], [ %t555, %logic.rend333 ]
+  br i1 %t556, label %then334, label %endif336
+then334:
+  %t557 = load { ptr, i64, i64 }, ptr %a542
+  %t558 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  store { ptr, i64, i64 } %t557, ptr %a559
+  call void @finch_str_copy(ptr %a560, ptr %a559)
+  %t561 = load { ptr, i64, i64 }, ptr %a560
+  %t562 = load { ptr, i64, i64 }, ptr %t558
+  store { ptr, i64, i64 } %t561, ptr %t558
   store { ptr, i64, i64 } %t562, ptr %a563
-  call void @finch.copy.arr_str(ptr %a564, ptr %a563)
-  %t565 = load { ptr, i64, i64 }, ptr %a564
-  store { ptr, i64, i64 } %t565, ptr %a566
-  %t567 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t567, ptr %a568
-  call void @finch.copy.arr_str(ptr %a569, ptr %a568)
-  %t570 = load { ptr, i64, i64 }, ptr %a569
-  store { ptr, i64, i64 } %t570, ptr %a571
-  %t572 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 0
-  store i64 0, ptr %a573
-  br label %each.cond319
-each.cond319:
-  %t574 = getelementptr inbounds { ptr, i64, i64 }, ptr %t572, i32 0, i32 1
-  %t575 = load i64, ptr %t574
-  %t576 = load i64, ptr %a573
-  %t577 = icmp slt i64 %t576, %t575
-  br i1 %t577, label %each.body320, label %each.end322
-each.body320:
-  %t578 = load ptr, ptr %t572
-  %t579 = getelementptr inbounds %S.ast.Program, ptr %t578, i64 %t576
-  %t580 = load %S.ast.Program, ptr %t579
-  store %S.ast.Program %t580, ptr %a581
-  %t582 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 1
-  %t583 = load { ptr, i64, i64 }, ptr %t582
-  %t584 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t583)
+  call void @finch_str_drop(ptr %a563)
+  br label %endif336
+endif336:
+  br label %each.step328
+each.step328:
+  %t564 = load i64, ptr %a534
+  %t565 = add i64 %t564, 1
+  store i64 %t565, ptr %a534
+  br label %each.cond326
+each.end329:
+  call void @finch.drop.arr_str(ptr %a533)
+  %t566 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  %t567 = getelementptr inbounds { ptr, i64, i64 }, ptr %t566, i32 0, i32 1
+  %t568 = load i64, ptr %t567
+  %t569 = icmp eq i64 %t568, 0
+  br i1 %t569, label %then337, label %endif339
+then337:
+  %t570 = call { ptr, i64, i64 } @finch.main.unpack()
+  store { ptr, i64, i64 } %t570, ptr %a572
+  store { ptr, i64, i64 } { ptr @.str.219, i64 4, i64 0 }, ptr %a573
+  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
+  store { ptr, i64, i64 } %t570, ptr %a574
+  call void @finch_str_drop(ptr %a574)
+  %t575 = load { ptr, i64, i64 }, ptr %a571
+  %t576 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 4
+  %t577 = load { ptr, i64, i64 }, ptr %t576
+  store { ptr, i64, i64 } %t575, ptr %t576
+  store { ptr, i64, i64 } %t577, ptr %a578
+  call void @finch_str_drop(ptr %a578)
+  br label %endif339
+endif339:
+  %t579 = load { ptr, i64, i64 }, ptr %a111
+  %t580 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 6
+  store { ptr, i64, i64 } %t579, ptr %a581
+  call void @finch.copy.arr_str(ptr %a582, ptr %a581)
+  %t583 = load { ptr, i64, i64 }, ptr %a582
+  %t584 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } %t583, ptr %t580
   store { ptr, i64, i64 } %t584, ptr %a585
-  %t586 = getelementptr inbounds { ptr, i64, i64 }, ptr %a566, i32 0, i32 1
-  %t587 = load { ptr, i64, i64 }, ptr %a585
-  store i64 -1, ptr %a588
-  %t589 = load i64, ptr %t586
-  %t590 = load ptr, ptr %a566
-  store i64 0, ptr %a591
-  br label %find.cond323
-find.cond323:
-  %t592 = load i64, ptr %a591
-  %t593 = icmp slt i64 %t592, %t589
-  br i1 %t593, label %find.body324, label %find.end327
-find.body324:
-  %t594 = getelementptr inbounds { ptr, i64, i64 }, ptr %t590, i64 %t592
-  %t595 = load { ptr, i64, i64 }, ptr %t594
-  store { ptr, i64, i64 } %t595, ptr %a596
-  store { ptr, i64, i64 } %t587, ptr %a597
-  %t598 = call i32 @finch_str_eq(ptr %a596, ptr %a597)
-  %t599 = icmp ne i32 %t598, 0
-  br i1 %t599, label %find.hit325, label %find.next326
-find.hit325:
-  store i64 %t592, ptr %a588
-  br label %find.end327
-find.next326:
-  %t600 = add i64 %t592, 1
-  store i64 %t600, ptr %a591
-  br label %find.cond323
-find.end327:
-  %t601 = load i64, ptr %a588
-  %t602 = icmp sge i64 %t601, 0
-  %t603 = xor i1 %t602, true
-  br i1 %t603, label %then328, label %endif330
-then328:
-  %t604 = getelementptr inbounds { ptr, i64, i64 }, ptr %a566, i32 0, i32 1
-  %t605 = load { ptr, i64, i64 }, ptr %a585
+  call void @finch.drop.arr_str(ptr %a585)
+  %t586 = load { ptr, i64, i64 }, ptr %a112
+  %t587 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 7
+  store { ptr, i64, i64 } %t586, ptr %a588
+  call void @finch.copy.arr_str(ptr %a589, ptr %a588)
+  %t590 = load { ptr, i64, i64 }, ptr %a589
+  %t591 = load { ptr, i64, i64 }, ptr %t587
+  store { ptr, i64, i64 } %t590, ptr %t587
+  store { ptr, i64, i64 } %t591, ptr %a592
+  call void @finch.drop.arr_str(ptr %a592)
+  %t593 = extractvalue { ptr, i64, i64 } { ptr @.str.220, i64 10, i64 0 }, 0
+  %t594 = icmp eq ptr %t593, null
+  %t595 = select i1 %t594, ptr @.str.221, ptr %t593
+  %t596 = call ptr @getenv(ptr %t595)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a597
+  call void @finch_str_from_c(ptr %a597, ptr %t596)
+  %t598 = load { ptr, i64, i64 }, ptr %a597
+  store { ptr, i64, i64 } %t598, ptr %a599
+  %t601 = call { ptr, i64, i64 } @finch.host.pathSeparator()
+  store { ptr, i64, i64 } %t601, ptr %a602
+  call void @finch_str_split(ptr %a603, ptr %a599, ptr %a602)
+  store { ptr, i64, i64 } %t601, ptr %a604
+  call void @finch_str_drop(ptr %a604)
+  %t605 = load { ptr, i64, i64 }, ptr %a603
   store { ptr, i64, i64 } %t605, ptr %a606
-  call void @finch_str_copy(ptr %a607, ptr %a606)
-  %t608 = load { ptr, i64, i64 }, ptr %a607
-  %t609 = load i64, ptr %t604
-  %t610 = add i64 %t609, 1
-  call void @finch_arr_reserve(ptr %a566, i64 %t610, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t611 = load ptr, ptr %a566
-  %t612 = getelementptr inbounds { ptr, i64, i64 }, ptr %t611, i64 %t609
-  store { ptr, i64, i64 } %t608, ptr %t612
-  store i64 %t610, ptr %t604
-  br label %endif330
-endif330:
-  %t613 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 3
-  %t614 = getelementptr inbounds { ptr, i64, i64 }, ptr %t613, i32 0, i32 1
-  %t615 = load i64, ptr %t614
-  store i64 0, ptr %a616
-  br label %for.cond331
-for.cond331:
-  %t617 = load i64, ptr %a616
-  %t618 = icmp slt i64 %t617, %t615
-  br i1 %t618, label %for.body332, label %for.end334
-for.body332:
-  %t619 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  %t620 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 3
-  %t621 = load i64, ptr %a616
-  %t622 = load { ptr, i64, i64 }, ptr %t620
-  %t623 = extractvalue { ptr, i64, i64 } %t622, 1
-  %t624 = icmp uge i64 %t621, %t623
-  br i1 %t624, label %range335, label %inrange336
-range335:
-  call void @finch_panic_index(ptr @.str.213, i64 244, i64 %t621, i64 %t623)
+  store i64 0, ptr %a607
+  br label %each.cond340
+each.cond340:
+  %t608 = getelementptr inbounds { ptr, i64, i64 }, ptr %a606, i32 0, i32 1
+  %t609 = load i64, ptr %t608
+  %t610 = load i64, ptr %a607
+  %t611 = icmp slt i64 %t610, %t609
+  br i1 %t611, label %each.body341, label %each.end343
+each.body341:
+  %t612 = load ptr, ptr %a606
+  %t613 = getelementptr inbounds { ptr, i64, i64 }, ptr %t612, i64 %t610
+  %t614 = load { ptr, i64, i64 }, ptr %t613
+  store { ptr, i64, i64 } %t614, ptr %a615
+  %t616 = getelementptr inbounds { ptr, i64, i64 }, ptr %a615, i32 0, i32 1
+  %t617 = load i64, ptr %t616
+  %t618 = icmp sgt i64 %t617, 0
+  br i1 %t618, label %then344, label %endif346
+then344:
+  %t619 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 5
+  %t620 = getelementptr inbounds { ptr, i64, i64 }, ptr %t619, i32 0, i32 1
+  %t621 = load { ptr, i64, i64 }, ptr %a615
+  store { ptr, i64, i64 } %t621, ptr %a622
+  call void @finch_str_copy(ptr %a623, ptr %a622)
+  %t624 = load { ptr, i64, i64 }, ptr %a623
+  %t625 = load i64, ptr %t620
+  %t626 = add i64 %t625, 1
+  call void @finch_arr_reserve(ptr %t619, i64 %t626, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t627 = load ptr, ptr %t619
+  %t628 = getelementptr inbounds { ptr, i64, i64 }, ptr %t627, i64 %t625
+  store { ptr, i64, i64 } %t624, ptr %t628
+  store i64 %t626, ptr %t620
+  br label %endif346
+endif346:
+  br label %each.step342
+each.step342:
+  %t629 = load i64, ptr %a607
+  %t630 = add i64 %t629, 1
+  store i64 %t630, ptr %a607
+  br label %each.cond340
+each.end343:
+  call void @finch.drop.arr_str(ptr %a606)
+  %t631 = load { ptr, i64, i64 }, ptr %a77
+  call void @finch.main.load(ptr %a474, { ptr, i64, i64 } %t631, { ptr, i64, i64 } { ptr @.str.223, i64 0, i64 0 })
+  store { ptr, i64, i64 } zeroinitializer, ptr %a632
+  store { ptr, i64, i64 } zeroinitializer, ptr %a633
+  %t634 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t634, ptr %a635
+  call void @finch.copy.arr_str(ptr %a636, ptr %a635)
+  %t637 = load { ptr, i64, i64 }, ptr %a636
+  store { ptr, i64, i64 } %t637, ptr %a638
+  %t639 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t639, ptr %a640
+  call void @finch.copy.arr_str(ptr %a641, ptr %a640)
+  %t642 = load { ptr, i64, i64 }, ptr %a641
+  store { ptr, i64, i64 } %t642, ptr %a643
+  %t644 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 0
+  store i64 0, ptr %a645
+  br label %each.cond347
+each.cond347:
+  %t646 = getelementptr inbounds { ptr, i64, i64 }, ptr %t644, i32 0, i32 1
+  %t647 = load i64, ptr %t646
+  %t648 = load i64, ptr %a645
+  %t649 = icmp slt i64 %t648, %t647
+  br i1 %t649, label %each.body348, label %each.end350
+each.body348:
+  %t650 = load ptr, ptr %t644
+  %t651 = getelementptr inbounds %S.ast.Program, ptr %t650, i64 %t648
+  %t652 = load %S.ast.Program, ptr %t651
+  store %S.ast.Program %t652, ptr %a653
+  %t654 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 1
+  %t655 = load { ptr, i64, i64 }, ptr %t654
+  %t656 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t655)
+  store { ptr, i64, i64 } %t656, ptr %a657
+  %t658 = getelementptr inbounds { ptr, i64, i64 }, ptr %a638, i32 0, i32 1
+  %t659 = load { ptr, i64, i64 }, ptr %a657
+  store i64 -1, ptr %a660
+  %t661 = load i64, ptr %t658
+  %t662 = load ptr, ptr %a638
+  store i64 0, ptr %a663
+  br label %find.cond351
+find.cond351:
+  %t664 = load i64, ptr %a663
+  %t665 = icmp slt i64 %t664, %t661
+  br i1 %t665, label %find.body352, label %find.end355
+find.body352:
+  %t666 = getelementptr inbounds { ptr, i64, i64 }, ptr %t662, i64 %t664
+  %t667 = load { ptr, i64, i64 }, ptr %t666
+  store { ptr, i64, i64 } %t667, ptr %a668
+  store { ptr, i64, i64 } %t659, ptr %a669
+  %t670 = call i32 @finch_str_eq(ptr %a668, ptr %a669)
+  %t671 = icmp ne i32 %t670, 0
+  br i1 %t671, label %find.hit353, label %find.next354
+find.hit353:
+  store i64 %t664, ptr %a660
+  br label %find.end355
+find.next354:
+  %t672 = add i64 %t664, 1
+  store i64 %t672, ptr %a663
+  br label %find.cond351
+find.end355:
+  %t673 = load i64, ptr %a660
+  %t674 = icmp sge i64 %t673, 0
+  %t675 = xor i1 %t674, true
+  br i1 %t675, label %then356, label %endif358
+then356:
+  %t676 = getelementptr inbounds { ptr, i64, i64 }, ptr %a638, i32 0, i32 1
+  %t677 = load { ptr, i64, i64 }, ptr %a657
+  store { ptr, i64, i64 } %t677, ptr %a678
+  call void @finch_str_copy(ptr %a679, ptr %a678)
+  %t680 = load { ptr, i64, i64 }, ptr %a679
+  %t681 = load i64, ptr %t676
+  %t682 = add i64 %t681, 1
+  call void @finch_arr_reserve(ptr %a638, i64 %t682, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t683 = load ptr, ptr %a638
+  %t684 = getelementptr inbounds { ptr, i64, i64 }, ptr %t683, i64 %t681
+  store { ptr, i64, i64 } %t680, ptr %t684
+  store i64 %t682, ptr %t676
+  br label %endif358
+endif358:
+  %t685 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t686 = getelementptr inbounds { ptr, i64, i64 }, ptr %t685, i32 0, i32 1
+  %t687 = load i64, ptr %t686
+  store i64 0, ptr %a688
+  br label %for.cond359
+for.cond359:
+  %t689 = load i64, ptr %a688
+  %t690 = icmp slt i64 %t689, %t687
+  br i1 %t690, label %for.body360, label %for.end362
+for.body360:
+  %t691 = getelementptr inbounds { ptr, i64, i64 }, ptr %a633, i32 0, i32 1
+  %t692 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t693 = load i64, ptr %a688
+  %t694 = load { ptr, i64, i64 }, ptr %t692
+  %t695 = extractvalue { ptr, i64, i64 } %t694, 1
+  %t696 = icmp uge i64 %t693, %t695
+  br i1 %t696, label %range363, label %inrange364
+range363:
+  call void @finch_panic_index(ptr @.str.224, i64 266, i64 %t693, i64 %t695)
   unreachable
-inrange336:
-  %t625 = extractvalue { ptr, i64, i64 } %t622, 0
-  %t626 = getelementptr inbounds { ptr, i64, i64 }, ptr %t625, i64 %t621
-  %t627 = load { ptr, i64, i64 }, ptr %t626
-  store i64 -1, ptr %a628
-  %t629 = load i64, ptr %t619
-  %t630 = load ptr, ptr %a561
-  store i64 0, ptr %a631
-  br label %find.cond337
-find.cond337:
-  %t632 = load i64, ptr %a631
-  %t633 = icmp slt i64 %t632, %t629
-  br i1 %t633, label %find.body338, label %find.end341
-find.body338:
-  %t634 = getelementptr inbounds { ptr, i64, i64 }, ptr %t630, i64 %t632
-  %t635 = load { ptr, i64, i64 }, ptr %t634
-  store { ptr, i64, i64 } %t635, ptr %a636
-  store { ptr, i64, i64 } %t627, ptr %a637
-  %t638 = call i32 @finch_str_eq(ptr %a636, ptr %a637)
-  %t639 = icmp ne i32 %t638, 0
-  br i1 %t639, label %find.hit339, label %find.next340
-find.hit339:
-  store i64 %t632, ptr %a628
-  br label %find.end341
-find.next340:
-  %t640 = add i64 %t632, 1
-  store i64 %t640, ptr %a631
-  br label %find.cond337
-find.end341:
-  %t641 = load i64, ptr %a628
-  %t642 = icmp sge i64 %t641, 0
-  %t643 = xor i1 %t642, true
-  br i1 %t643, label %then342, label %endif344
-then342:
-  %t644 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  %t645 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 3
-  %t646 = load i64, ptr %a616
-  %t647 = load { ptr, i64, i64 }, ptr %t645
-  %t648 = extractvalue { ptr, i64, i64 } %t647, 1
-  %t649 = icmp uge i64 %t646, %t648
-  br i1 %t649, label %range345, label %inrange346
-range345:
-  call void @finch_panic_index(ptr @.str.214, i64 245, i64 %t646, i64 %t648)
-  unreachable
-inrange346:
-  %t650 = extractvalue { ptr, i64, i64 } %t647, 0
-  %t651 = getelementptr inbounds { ptr, i64, i64 }, ptr %t650, i64 %t646
-  %t652 = load { ptr, i64, i64 }, ptr %t651
-  store { ptr, i64, i64 } %t652, ptr %a653
-  call void @finch_str_copy(ptr %a654, ptr %a653)
-  %t655 = load { ptr, i64, i64 }, ptr %a654
-  %t656 = load i64, ptr %t644
-  %t657 = add i64 %t656, 1
-  call void @finch_arr_reserve(ptr %a561, i64 %t657, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t658 = load ptr, ptr %a561
-  %t659 = getelementptr inbounds { ptr, i64, i64 }, ptr %t658, i64 %t656
-  store { ptr, i64, i64 } %t655, ptr %t659
-  store i64 %t657, ptr %t644
-  %t660 = getelementptr inbounds { ptr, i64, i64 }, ptr %a560, i32 0, i32 1
-  %t661 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 3
-  %t662 = load i64, ptr %a616
-  %t663 = load { ptr, i64, i64 }, ptr %t661
-  %t664 = extractvalue { ptr, i64, i64 } %t663, 1
-  %t665 = icmp uge i64 %t662, %t664
-  br i1 %t665, label %range347, label %inrange348
-range347:
-  call void @finch_panic_index(ptr @.str.215, i64 246, i64 %t662, i64 %t664)
-  unreachable
-inrange348:
-  %t666 = extractvalue { ptr, i64, i64 } %t663, 0
-  %t667 = getelementptr inbounds { ptr, i64, i64 }, ptr %t666, i64 %t662
-  %t668 = load { ptr, i64, i64 }, ptr %t667
-  store { ptr, i64, i64 } %t668, ptr %a669
-  call void @finch_str_copy(ptr %a670, ptr %a669)
-  %t671 = load { ptr, i64, i64 }, ptr %a670
-  %t672 = insertvalue %S.cimport.Header zeroinitializer, { ptr, i64, i64 } %t671, 0
-  %t673 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 4
-  %t674 = load i64, ptr %a616
-  %t675 = load { ptr, i64, i64 }, ptr %t673
-  %t676 = extractvalue { ptr, i64, i64 } %t675, 1
-  %t677 = icmp uge i64 %t674, %t676
-  br i1 %t677, label %range349, label %inrange350
-range349:
-  call void @finch_panic_index(ptr @.str.216, i64 246, i64 %t674, i64 %t676)
-  unreachable
-inrange350:
-  %t678 = extractvalue { ptr, i64, i64 } %t675, 0
-  %t679 = getelementptr inbounds { ptr, i64, i64 }, ptr %t678, i64 %t674
-  %t680 = load { ptr, i64, i64 }, ptr %t679
-  store { ptr, i64, i64 } %t680, ptr %a681
-  call void @finch_str_copy(ptr %a682, ptr %a681)
-  %t683 = load { ptr, i64, i64 }, ptr %a682
-  %t684 = insertvalue %S.cimport.Header %t672, { ptr, i64, i64 } %t683, 1
-  %t685 = load i64, ptr %t660
-  %t686 = add i64 %t685, 1
-  call void @finch_arr_reserve(ptr %a560, i64 %t686, i64 ptrtoint (ptr getelementptr (%S.cimport.Header, ptr null, i32 1) to i64))
-  %t687 = load ptr, ptr %a560
-  %t688 = getelementptr inbounds %S.cimport.Header, ptr %t687, i64 %t685
-  store %S.cimport.Header %t684, ptr %t688
-  store i64 %t686, ptr %t660
-  br label %endif344
-endif344:
-  br label %for.step333
-for.step333:
-  %t689 = load i64, ptr %a616
-  %t690 = add i64 %t689, 1
-  store i64 %t690, ptr %a616
-  br label %for.cond331
-for.end334:
-  %t691 = getelementptr inbounds %S.ast.Program, ptr %a581, i32 0, i32 5
-  store i64 0, ptr %a692
-  br label %each.cond351
-each.cond351:
-  %t693 = getelementptr inbounds { ptr, i64, i64 }, ptr %t691, i32 0, i32 1
-  %t694 = load i64, ptr %t693
-  %t695 = load i64, ptr %a692
-  %t696 = icmp slt i64 %t695, %t694
-  br i1 %t696, label %each.body352, label %each.end354
-each.body352:
-  %t697 = load ptr, ptr %t691
-  %t698 = getelementptr inbounds { ptr, i64, i64 }, ptr %t697, i64 %t695
+inrange364:
+  %t697 = extractvalue { ptr, i64, i64 } %t694, 0
+  %t698 = getelementptr inbounds { ptr, i64, i64 }, ptr %t697, i64 %t693
   %t699 = load { ptr, i64, i64 }, ptr %t698
-  store { ptr, i64, i64 } %t699, ptr %a700
-  %t701 = load { ptr, i64, i64 }, ptr %a700
-  store { ptr, i64, i64 } %t701, ptr %a702
-  store { ptr, i64, i64 } { ptr @.str.218, i64 2, i64 0 }, ptr %a704
-  %t705 = call i32 @finch_str_ends(ptr %a702, ptr %a704)
-  %t706 = icmp ne i32 %t705, 0
-  br label %logic.from355
-logic.from355:
-  br i1 %t706, label %logic.end357, label %logic.rhs356
-logic.rhs356:
-  %t707 = load { ptr, i64, i64 }, ptr %a700
+  store i64 -1, ptr %a700
+  %t701 = load i64, ptr %t691
+  %t702 = load ptr, ptr %a633
+  store i64 0, ptr %a703
+  br label %find.cond365
+find.cond365:
+  %t704 = load i64, ptr %a703
+  %t705 = icmp slt i64 %t704, %t701
+  br i1 %t705, label %find.body366, label %find.end369
+find.body366:
+  %t706 = getelementptr inbounds { ptr, i64, i64 }, ptr %t702, i64 %t704
+  %t707 = load { ptr, i64, i64 }, ptr %t706
   store { ptr, i64, i64 } %t707, ptr %a708
-  store { ptr, i64, i64 } { ptr @.str.220, i64 2, i64 0 }, ptr %a710
-  %t711 = call i32 @finch_str_ends(ptr %a708, ptr %a710)
-  %t712 = icmp ne i32 %t711, 0
-  br label %logic.rend358
-logic.rend358:
-  br label %logic.end357
-logic.end357:
-  %t713 = phi i1 [ true, %logic.from355 ], [ %t712, %logic.rend358 ]
-  br label %logic.from359
-logic.from359:
-  br i1 %t713, label %logic.end361, label %logic.rhs360
-logic.rhs360:
-  %t714 = load { ptr, i64, i64 }, ptr %a700
-  store { ptr, i64, i64 } %t714, ptr %a715
-  store { ptr, i64, i64 } { ptr @.str.222, i64 2, i64 0 }, ptr %a717
-  %t718 = call i32 @finch_str_ends(ptr %a715, ptr %a717)
-  %t719 = icmp ne i32 %t718, 0
-  br label %logic.rend362
-logic.rend362:
-  br label %logic.end361
-logic.end361:
-  %t720 = phi i1 [ true, %logic.from359 ], [ %t719, %logic.rend362 ]
-  br i1 %t720, label %then363, label %else364
-then363:
-  %t721 = getelementptr inbounds { ptr, i64, i64 }, ptr %a571, i32 0, i32 1
-  %t722 = load { ptr, i64, i64 }, ptr %a585
-  store { ptr, i64, i64 } %t722, ptr %a724
-  store { ptr, i64, i64 } { ptr @.str.223, i64 1, i64 0 }, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  %t727 = load { ptr, i64, i64 }, ptr %a700
-  store { ptr, i64, i64 } %t726, ptr %a729
-  store { ptr, i64, i64 } %t727, ptr %a730
-  call void @finch_str_concat(ptr %a728, ptr %a729, ptr %a730)
-  %t731 = load { ptr, i64, i64 }, ptr %a728
-  %t732 = load i64, ptr %t721
-  %t733 = add i64 %t732, 1
-  call void @finch_arr_reserve(ptr %a571, i64 %t733, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t734 = load ptr, ptr %a571
-  %t735 = getelementptr inbounds { ptr, i64, i64 }, ptr %t734, i64 %t732
-  store { ptr, i64, i64 } %t731, ptr %t735
-  store i64 %t733, ptr %t721
-  br label %endif365
-else364:
-  %t736 = getelementptr inbounds { ptr, i64, i64 }, ptr %a571, i32 0, i32 1
-  %t737 = load { ptr, i64, i64 }, ptr %a700
-  store { ptr, i64, i64 } %t737, ptr %a738
-  call void @finch_str_copy(ptr %a739, ptr %a738)
-  %t740 = load { ptr, i64, i64 }, ptr %a739
-  %t741 = load i64, ptr %t736
-  %t742 = add i64 %t741, 1
-  call void @finch_arr_reserve(ptr %a571, i64 %t742, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t743 = load ptr, ptr %a571
-  %t744 = getelementptr inbounds { ptr, i64, i64 }, ptr %t743, i64 %t741
-  store { ptr, i64, i64 } %t740, ptr %t744
-  store i64 %t742, ptr %t736
-  br label %endif365
-endif365:
-  br label %each.step353
-each.step353:
-  %t745 = load i64, ptr %a692
-  %t746 = add i64 %t745, 1
-  store i64 %t746, ptr %a692
-  br label %each.cond351
-each.end354:
-  br label %each.step321
-each.step321:
-  %t747 = load i64, ptr %a573
-  %t748 = add i64 %t747, 1
-  store i64 %t748, ptr %a573
-  br label %each.cond319
-each.end322:
-  store { ptr, i64, i64 } { ptr @.str.224, i64 0, i64 0 }, ptr %a749
-  %t750 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 5
-  %t751 = load i1, ptr %t750
-  br i1 %t751, label %then366, label %endif368
-then366:
-  %t752 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 0
-  %t753 = load { ptr, i64, i64 }, ptr %t752
-  store { ptr, i64, i64 } %t753, ptr %a754
-  call void @finch_str_copy(ptr %a755, ptr %a754)
-  %t756 = load { ptr, i64, i64 }, ptr %a755
-  store { ptr, i64, i64 } %t756, ptr %a749
-  br label %endif368
-endif368:
-  %t757 = load { ptr, i64, i64 }, ptr %a560
-  %t758 = load { ptr, i64, i64 }, ptr %a566
-  %t759 = load { ptr, i64, i64 }, ptr %a749
-  %t760 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 1
-  %t761 = load i1, ptr %t760
-  %t762 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 7
-  %t763 = load { ptr, i64, i64 }, ptr %t762
-  %t764 = call { i1, %S.cimport.CImports, { ptr, i64, i64 } } @finch.cimport.importHeaders({ ptr, i64, i64 } %t757, { ptr, i64, i64 } %t758, { ptr, i64, i64 } %t759, i1 %t761, { ptr, i64, i64 } %t763)
-  %t765 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t764, 0
-  %t766 = xor i1 %t765, true
-  %t767 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t764, 2
-  %t768 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t764, 1
-  br i1 %t766, label %or.failed369, label %or.ok370
-or.failed369:
-  store { ptr, i64, i64 } %t767, ptr %a769
-  %t770 = load { ptr, i64, i64 }, ptr %a769
-  %t771 = extractvalue { ptr, i64, i64 } %t770, 1
-  %t772 = trunc i64 %t771 to i32
-  %t773 = extractvalue { ptr, i64, i64 } %t770, 0
-  %t774 = icmp eq ptr %t773, null
-  %t775 = select i1 %t774, ptr @.str.225, ptr %t773
-  %t776 = call i32 (ptr, ...) @printf(ptr @.str.226, i32 %t772, ptr %t775)
-  %t777 = call i32 (ptr, ...) @printf(ptr @.str.227)
-  ret i64 1
-or.ok370:
-  store %S.cimport.CImports %t768, ptr %a778
-  %t779 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 0
-  %t780 = load { ptr, i64, i64 }, ptr %t779
-  %t781 = getelementptr inbounds %S.main.Loader, ptr %a433, i32 0, i32 1
-  %t782 = load { ptr, i64, i64 }, ptr %t781
-  %t783 = load %S.cimport.CImports, ptr %a778
-  %t784 = load i1, ptr %a105
-  %t785 = insertvalue %S.gen.Options zeroinitializer, i1 %t784, 0
-  %t786 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t699, ptr %a709
+  %t710 = call i32 @finch_str_eq(ptr %a708, ptr %a709)
+  %t711 = icmp ne i32 %t710, 0
+  br i1 %t711, label %find.hit367, label %find.next368
+find.hit367:
+  store i64 %t704, ptr %a700
+  br label %find.end369
+find.next368:
+  %t712 = add i64 %t704, 1
+  store i64 %t712, ptr %a703
+  br label %find.cond365
+find.end369:
+  %t713 = load i64, ptr %a700
+  %t714 = icmp sge i64 %t713, 0
+  %t715 = xor i1 %t714, true
+  br i1 %t715, label %then370, label %endif372
+then370:
+  %t716 = getelementptr inbounds { ptr, i64, i64 }, ptr %a633, i32 0, i32 1
+  %t717 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t718 = load i64, ptr %a688
+  %t719 = load { ptr, i64, i64 }, ptr %t717
+  %t720 = extractvalue { ptr, i64, i64 } %t719, 1
+  %t721 = icmp uge i64 %t718, %t720
+  br i1 %t721, label %range373, label %inrange374
+range373:
+  call void @finch_panic_index(ptr @.str.225, i64 267, i64 %t718, i64 %t720)
+  unreachable
+inrange374:
+  %t722 = extractvalue { ptr, i64, i64 } %t719, 0
+  %t723 = getelementptr inbounds { ptr, i64, i64 }, ptr %t722, i64 %t718
+  %t724 = load { ptr, i64, i64 }, ptr %t723
+  store { ptr, i64, i64 } %t724, ptr %a725
+  call void @finch_str_copy(ptr %a726, ptr %a725)
+  %t727 = load { ptr, i64, i64 }, ptr %a726
+  %t728 = load i64, ptr %t716
+  %t729 = add i64 %t728, 1
+  call void @finch_arr_reserve(ptr %a633, i64 %t729, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t730 = load ptr, ptr %a633
+  %t731 = getelementptr inbounds { ptr, i64, i64 }, ptr %t730, i64 %t728
+  store { ptr, i64, i64 } %t727, ptr %t731
+  store i64 %t729, ptr %t716
+  %t732 = getelementptr inbounds { ptr, i64, i64 }, ptr %a632, i32 0, i32 1
+  %t733 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 3
+  %t734 = load i64, ptr %a688
+  %t735 = load { ptr, i64, i64 }, ptr %t733
+  %t736 = extractvalue { ptr, i64, i64 } %t735, 1
+  %t737 = icmp uge i64 %t734, %t736
+  br i1 %t737, label %range375, label %inrange376
+range375:
+  call void @finch_panic_index(ptr @.str.226, i64 268, i64 %t734, i64 %t736)
+  unreachable
+inrange376:
+  %t738 = extractvalue { ptr, i64, i64 } %t735, 0
+  %t739 = getelementptr inbounds { ptr, i64, i64 }, ptr %t738, i64 %t734
+  %t740 = load { ptr, i64, i64 }, ptr %t739
+  store { ptr, i64, i64 } %t740, ptr %a741
+  call void @finch_str_copy(ptr %a742, ptr %a741)
+  %t743 = load { ptr, i64, i64 }, ptr %a742
+  %t744 = insertvalue %S.cimport.Header zeroinitializer, { ptr, i64, i64 } %t743, 0
+  %t745 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 4
+  %t746 = load i64, ptr %a688
+  %t747 = load { ptr, i64, i64 }, ptr %t745
+  %t748 = extractvalue { ptr, i64, i64 } %t747, 1
+  %t749 = icmp uge i64 %t746, %t748
+  br i1 %t749, label %range377, label %inrange378
+range377:
+  call void @finch_panic_index(ptr @.str.227, i64 268, i64 %t746, i64 %t748)
+  unreachable
+inrange378:
+  %t750 = extractvalue { ptr, i64, i64 } %t747, 0
+  %t751 = getelementptr inbounds { ptr, i64, i64 }, ptr %t750, i64 %t746
+  %t752 = load { ptr, i64, i64 }, ptr %t751
+  store { ptr, i64, i64 } %t752, ptr %a753
+  call void @finch_str_copy(ptr %a754, ptr %a753)
+  %t755 = load { ptr, i64, i64 }, ptr %a754
+  %t756 = insertvalue %S.cimport.Header %t744, { ptr, i64, i64 } %t755, 1
+  %t757 = load i64, ptr %t732
+  %t758 = add i64 %t757, 1
+  call void @finch_arr_reserve(ptr %a632, i64 %t758, i64 ptrtoint (ptr getelementptr (%S.cimport.Header, ptr null, i32 1) to i64))
+  %t759 = load ptr, ptr %a632
+  %t760 = getelementptr inbounds %S.cimport.Header, ptr %t759, i64 %t757
+  store %S.cimport.Header %t756, ptr %t760
+  store i64 %t758, ptr %t732
+  br label %endif372
+endif372:
+  br label %for.step361
+for.step361:
+  %t761 = load i64, ptr %a688
+  %t762 = add i64 %t761, 1
+  store i64 %t762, ptr %a688
+  br label %for.cond359
+for.end362:
+  %t763 = getelementptr inbounds %S.ast.Program, ptr %a653, i32 0, i32 5
+  store i64 0, ptr %a764
+  br label %each.cond379
+each.cond379:
+  %t765 = getelementptr inbounds { ptr, i64, i64 }, ptr %t763, i32 0, i32 1
+  %t766 = load i64, ptr %t765
+  %t767 = load i64, ptr %a764
+  %t768 = icmp slt i64 %t767, %t766
+  br i1 %t768, label %each.body380, label %each.end382
+each.body380:
+  %t769 = load ptr, ptr %t763
+  %t770 = getelementptr inbounds { ptr, i64, i64 }, ptr %t769, i64 %t767
+  %t771 = load { ptr, i64, i64 }, ptr %t770
+  store { ptr, i64, i64 } %t771, ptr %a772
+  %t773 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t773, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.229, i64 2, i64 0 }, ptr %a776
+  %t777 = call i32 @finch_str_ends(ptr %a774, ptr %a776)
+  %t778 = icmp ne i32 %t777, 0
+  br label %logic.from383
+logic.from383:
+  br i1 %t778, label %logic.end385, label %logic.rhs384
+logic.rhs384:
+  %t779 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t779, ptr %a780
+  store { ptr, i64, i64 } { ptr @.str.231, i64 2, i64 0 }, ptr %a782
+  %t783 = call i32 @finch_str_ends(ptr %a780, ptr %a782)
+  %t784 = icmp ne i32 %t783, 0
+  br label %logic.rend386
+logic.rend386:
+  br label %logic.end385
+logic.end385:
+  %t785 = phi i1 [ true, %logic.from383 ], [ %t784, %logic.rend386 ]
+  br label %logic.from387
+logic.from387:
+  br i1 %t785, label %logic.end389, label %logic.rhs388
+logic.rhs388:
+  %t786 = load { ptr, i64, i64 }, ptr %a772
   store { ptr, i64, i64 } %t786, ptr %a787
-  store { ptr, i64, i64 } { ptr @.str.228, i64 5, i64 0 }, ptr %a788
-  %t789 = call i32 @finch_str_eq(ptr %a787, ptr %a788)
-  %t790 = icmp ne i32 %t789, 0
-  %t791 = insertvalue %S.gen.Options %t785, i1 %t790, 1
-  %t792 = load i1, ptr %a106
-  %t793 = insertvalue %S.gen.Options %t791, i1 %t792, 2
-  %t794 = extractvalue { ptr, i64, i64 } { ptr @.str.229, i64 3, i64 0 }, 0
-  %t795 = icmp eq ptr %t794, null
-  %t796 = select i1 %t795, ptr @.str.230, ptr %t794
-  %t797 = call ptr @getenv(ptr %t796)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a798
-  call void @finch_str_from_c(ptr %a798, ptr %t797)
-  %t799 = load { ptr, i64, i64 }, ptr %a798
-  store { ptr, i64, i64 } %t799, ptr %a800
-  call void @finch_str_copy(ptr %a801, ptr %a800)
-  %t802 = load { ptr, i64, i64 }, ptr %a801
-  %t803 = insertvalue %S.gen.Options %t793, { ptr, i64, i64 } %t802, 3
-  %t804 = load %S.platform.Target, ptr %a375
-  store %S.platform.Target %t804, ptr %a805
-  call void @finch.copy.S_platform_Target(ptr %a806, ptr %a805)
-  %t807 = load %S.platform.Target, ptr %a806
-  %t808 = insertvalue %S.gen.Options %t803, %S.platform.Target %t807, 4
-  %t809 = call { ptr, i64, i64 } @finch.gen.generate({ ptr, i64, i64 } %t780, { ptr, i64, i64 } %t782, %S.cimport.CImports %t783, %S.gen.Options %t808)
-  store { ptr, i64, i64 } %t809, ptr %a810
-  %t811 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t811, ptr %a812
-  store { ptr, i64, i64 } { ptr @.str.231, i64 2, i64 0 }, ptr %a813
-  %t814 = call i32 @finch_str_eq(ptr %a812, ptr %a813)
-  %t815 = icmp ne i32 %t814, 0
-  br label %logic.from371
-logic.from371:
-  br i1 %t815, label %logic.end373, label %logic.rhs372
-logic.rhs372:
-  %t816 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t816, ptr %a817
-  store { ptr, i64, i64 } { ptr @.str.232, i64 5, i64 0 }, ptr %a818
-  %t819 = call i32 @finch_str_eq(ptr %a817, ptr %a818)
-  %t820 = icmp ne i32 %t819, 0
-  br label %logic.rend374
-logic.rend374:
-  br label %logic.end373
-logic.end373:
-  %t821 = phi i1 [ true, %logic.from371 ], [ %t820, %logic.rend374 ]
-  br i1 %t821, label %then375, label %endif377
-then375:
-  %t822 = load { ptr, i64, i64 }, ptr %a810
-  %t823 = extractvalue { ptr, i64, i64 } %t822, 1
-  %t824 = trunc i64 %t823 to i32
-  %t825 = extractvalue { ptr, i64, i64 } %t822, 0
-  %t826 = icmp eq ptr %t825, null
-  %t827 = select i1 %t826, ptr @.str.233, ptr %t825
-  %t828 = call i32 (ptr, ...) @printf(ptr @.str.234, i32 %t824, ptr %t827)
-  %t829 = call i32 (ptr, ...) @printf(ptr @.str.235)
-  ret i64 0
-endif377:
-  %t830 = extractvalue { ptr, i64, i64 } { ptr @.str.236, i64 8, i64 0 }, 0
-  %t831 = icmp eq ptr %t830, null
-  %t832 = select i1 %t831, ptr @.str.237, ptr %t830
-  %t833 = call ptr @getenv(ptr %t832)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a834
-  call void @finch_str_from_c(ptr %a834, ptr %t833)
-  %t835 = load { ptr, i64, i64 }, ptr %a834
-  store { ptr, i64, i64 } %t835, ptr %a836
-  call void @finch_str_copy(ptr %a837, ptr %a836)
-  %t838 = load { ptr, i64, i64 }, ptr %a837
-  store { ptr, i64, i64 } %t838, ptr %a839
-  %t840 = getelementptr inbounds { ptr, i64, i64 }, ptr %a839, i32 0, i32 1
-  %t841 = load i64, ptr %t840
-  %t842 = icmp eq i64 %t841, 0
-  br i1 %t842, label %then378, label %endif380
-then378:
-  %t843 = load { ptr, i64, i64 }, ptr %a1
-  %t844 = extractvalue { ptr, i64, i64 } %t843, 1
-  %t845 = icmp uge i64 0, %t844
-  br i1 %t845, label %range381, label %inrange382
-range381:
-  call void @finch_panic_index(ptr @.str.238, i64 274, i64 0, i64 %t844)
-  unreachable
-inrange382:
-  %t846 = extractvalue { ptr, i64, i64 } %t843, 0
-  %t847 = getelementptr inbounds { ptr, i64, i64 }, ptr %t846, i64 0
-  %t848 = load { ptr, i64, i64 }, ptr %t847
-  %t849 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t848)
-  store { ptr, i64, i64 } %t849, ptr %a851
-  store { ptr, i64, i64 } { ptr @.str.239, i64 22, i64 0 }, ptr %a852
-  call void @finch_str_concat(ptr %a850, ptr %a851, ptr %a852)
-  %t853 = load { ptr, i64, i64 }, ptr %a850
-  store { ptr, i64, i64 } %t853, ptr %a839
-  br label %endif380
-endif380:
-  %t854 = load { ptr, i64, i64 }, ptr %a839
-  store { ptr, i64, i64 } %t854, ptr %a855
-  %t856 = call i32 @finch_file_exists(ptr %a855)
-  %t857 = icmp ne i32 %t856, 0
-  %t858 = xor i1 %t857, true
-  br i1 %t858, label %then383, label %endif385
-then383:
-  %t859 = load { ptr, i64, i64 }, ptr %a1
-  %t860 = extractvalue { ptr, i64, i64 } %t859, 1
-  %t861 = icmp uge i64 0, %t860
-  br i1 %t861, label %range386, label %inrange387
-range386:
-  call void @finch_panic_index(ptr @.str.240, i64 277, i64 0, i64 %t860)
-  unreachable
-inrange387:
-  %t862 = extractvalue { ptr, i64, i64 } %t859, 0
-  %t863 = getelementptr inbounds { ptr, i64, i64 }, ptr %t862, i64 0
-  %t864 = load { ptr, i64, i64 }, ptr %t863
-  %t865 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t864)
-  store { ptr, i64, i64 } %t865, ptr %a867
-  store { ptr, i64, i64 } { ptr @.str.241, i64 19, i64 0 }, ptr %a868
-  call void @finch_str_concat(ptr %a866, ptr %a867, ptr %a868)
-  %t869 = load { ptr, i64, i64 }, ptr %a866
-  store { ptr, i64, i64 } %t869, ptr %a839
-  br label %endif385
-endif385:
-  %t870 = load { ptr, i64, i64 }, ptr %a839
-  store { ptr, i64, i64 } %t870, ptr %a871
-  %t872 = call i32 @finch_file_exists(ptr %a871)
-  %t873 = icmp ne i32 %t872, 0
-  %t874 = xor i1 %t873, true
-  br i1 %t874, label %then388, label %endif390
-then388:
-  %t875 = load { ptr, i64, i64 }, ptr %a1
-  %t876 = extractvalue { ptr, i64, i64 } %t875, 1
-  %t877 = icmp uge i64 0, %t876
-  br i1 %t877, label %range391, label %inrange392
-range391:
-  call void @finch_panic_index(ptr @.str.242, i64 280, i64 0, i64 %t876)
-  unreachable
-inrange392:
-  %t878 = extractvalue { ptr, i64, i64 } %t875, 0
-  %t879 = getelementptr inbounds { ptr, i64, i64 }, ptr %t878, i64 0
-  %t880 = load { ptr, i64, i64 }, ptr %t879
-  %t881 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t880)
-  store { ptr, i64, i64 } %t881, ptr %a883
-  store { ptr, i64, i64 } { ptr @.str.243, i64 34, i64 0 }, ptr %a884
-  call void @finch_str_concat(ptr %a882, ptr %a883, ptr %a884)
-  %t885 = load { ptr, i64, i64 }, ptr %a882
-  store { ptr, i64, i64 } %t885, ptr %a839
-  br label %endif390
-endif390:
-  %t886 = load { ptr, i64, i64 }, ptr %a839
-  store { ptr, i64, i64 } %t886, ptr %a887
-  %t888 = call i32 @finch_file_exists(ptr %a887)
-  %t889 = icmp ne i32 %t888, 0
-  %t890 = xor i1 %t889, true
-  br label %logic.from393
-logic.from393:
-  br i1 %t890, label %logic.rhs394, label %logic.end395
-logic.rhs394:
-  store { ptr, i64, i64 } { ptr @.str.244, i64 18, i64 0 }, ptr %a891
-  %t892 = call i32 @finch_file_exists(ptr %a891)
-  %t893 = icmp ne i32 %t892, 0
-  br label %logic.rend396
-logic.rend396:
-  br label %logic.end395
-logic.end395:
-  %t894 = phi i1 [ false, %logic.from393 ], [ %t893, %logic.rend396 ]
-  br i1 %t894, label %then397, label %endif399
-then397:
-  store { ptr, i64, i64 } { ptr @.str.245, i64 18, i64 0 }, ptr %a839
-  br label %endif399
-endif399:
-  %t895 = load { ptr, i64, i64 }, ptr %a839
-  store { ptr, i64, i64 } %t895, ptr %a896
-  %t897 = call i32 @finch_file_exists(ptr %a896)
-  %t898 = icmp ne i32 %t897, 0
-  %t899 = xor i1 %t898, true
-  br i1 %t899, label %then400, label %endif402
-then400:
-  %t900 = extractvalue { ptr, i64, i64 } { ptr @.str.246, i64 56, i64 0 }, 1
-  %t901 = trunc i64 %t900 to i32
-  %t902 = extractvalue { ptr, i64, i64 } { ptr @.str.246, i64 56, i64 0 }, 0
-  %t903 = icmp eq ptr %t902, null
-  %t904 = select i1 %t903, ptr @.str.247, ptr %t902
-  %t905 = call i32 (ptr, ...) @printf(ptr @.str.248, i32 %t901, ptr %t904)
-  %t906 = call i32 (ptr, ...) @printf(ptr @.str.249)
+  store { ptr, i64, i64 } { ptr @.str.233, i64 2, i64 0 }, ptr %a789
+  %t790 = call i32 @finch_str_ends(ptr %a787, ptr %a789)
+  %t791 = icmp ne i32 %t790, 0
+  br label %logic.rend390
+logic.rend390:
+  br label %logic.end389
+logic.end389:
+  %t792 = phi i1 [ true, %logic.from387 ], [ %t791, %logic.rend390 ]
+  br i1 %t792, label %then391, label %else392
+then391:
+  %t793 = getelementptr inbounds { ptr, i64, i64 }, ptr %a643, i32 0, i32 1
+  %t794 = load { ptr, i64, i64 }, ptr %a657
+  store { ptr, i64, i64 } %t794, ptr %a796
+  store { ptr, i64, i64 } { ptr @.str.234, i64 1, i64 0 }, ptr %a797
+  call void @finch_str_concat(ptr %a795, ptr %a796, ptr %a797)
+  %t798 = load { ptr, i64, i64 }, ptr %a795
+  %t799 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t798, ptr %a801
+  store { ptr, i64, i64 } %t799, ptr %a802
+  call void @finch_str_concat(ptr %a800, ptr %a801, ptr %a802)
+  store { ptr, i64, i64 } %t798, ptr %a803
+  call void @finch_str_drop(ptr %a803)
+  %t804 = load { ptr, i64, i64 }, ptr %a800
+  %t805 = load i64, ptr %t793
+  %t806 = add i64 %t805, 1
+  call void @finch_arr_reserve(ptr %a643, i64 %t806, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t807 = load ptr, ptr %a643
+  %t808 = getelementptr inbounds { ptr, i64, i64 }, ptr %t807, i64 %t805
+  store { ptr, i64, i64 } %t804, ptr %t808
+  store i64 %t806, ptr %t793
+  br label %endif393
+else392:
+  %t809 = getelementptr inbounds { ptr, i64, i64 }, ptr %a643, i32 0, i32 1
+  %t810 = load { ptr, i64, i64 }, ptr %a772
+  store { ptr, i64, i64 } %t810, ptr %a811
+  call void @finch_str_copy(ptr %a812, ptr %a811)
+  %t813 = load { ptr, i64, i64 }, ptr %a812
+  %t814 = load i64, ptr %t809
+  %t815 = add i64 %t814, 1
+  call void @finch_arr_reserve(ptr %a643, i64 %t815, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t816 = load ptr, ptr %a643
+  %t817 = getelementptr inbounds { ptr, i64, i64 }, ptr %t816, i64 %t814
+  store { ptr, i64, i64 } %t813, ptr %t817
+  store i64 %t815, ptr %t809
+  br label %endif393
+endif393:
+  br label %each.step381
+each.step381:
+  %t818 = load i64, ptr %a764
+  %t819 = add i64 %t818, 1
+  store i64 %t819, ptr %a764
+  br label %each.cond379
+each.end382:
+  call void @finch_str_drop(ptr %a657)
+  br label %each.step349
+each.step349:
+  %t820 = load i64, ptr %a645
+  %t821 = add i64 %t820, 1
+  store i64 %t821, ptr %a645
+  br label %each.cond347
+each.end350:
+  store { ptr, i64, i64 } { ptr @.str.235, i64 0, i64 0 }, ptr %a822
+  %t823 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 5
+  %t824 = load i1, ptr %t823
+  br i1 %t824, label %then394, label %endif396
+then394:
+  %t825 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 0
+  %t826 = load { ptr, i64, i64 }, ptr %t825
+  store { ptr, i64, i64 } %t826, ptr %a827
+  call void @finch_str_copy(ptr %a828, ptr %a827)
+  %t829 = load { ptr, i64, i64 }, ptr %a828
+  %t830 = load { ptr, i64, i64 }, ptr %a822
+  store { ptr, i64, i64 } %t829, ptr %a822
+  store { ptr, i64, i64 } %t830, ptr %a831
+  call void @finch_str_drop(ptr %a831)
+  br label %endif396
+endif396:
+  %t832 = load { ptr, i64, i64 }, ptr %a632
+  %t833 = load { ptr, i64, i64 }, ptr %a638
+  %t834 = load { ptr, i64, i64 }, ptr %a822
+  %t835 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 1
+  %t836 = load i1, ptr %t835
+  %t837 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 7
+  %t838 = load { ptr, i64, i64 }, ptr %t837
+  %t839 = call { i1, %S.cimport.CImports, { ptr, i64, i64 } } @finch.cimport.importHeaders({ ptr, i64, i64 } %t832, { ptr, i64, i64 } %t833, { ptr, i64, i64 } %t834, i1 %t836, { ptr, i64, i64 } %t838)
+  %t840 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t839, 0
+  %t841 = xor i1 %t840, true
+  %t842 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t839, 2
+  %t843 = extractvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t839, 1
+  br i1 %t841, label %or.failed397, label %or.ok398
+or.failed397:
+  store { ptr, i64, i64 } %t842, ptr %a844
+  %t845 = load { ptr, i64, i64 }, ptr %a844
+  %t846 = extractvalue { ptr, i64, i64 } %t845, 1
+  %t847 = trunc i64 %t846 to i32
+  %t848 = extractvalue { ptr, i64, i64 } %t845, 0
+  %t849 = icmp eq ptr %t848, null
+  %t850 = select i1 %t849, ptr @.str.236, ptr %t848
+  %t851 = call i32 (ptr, ...) @printf(ptr @.str.237, i32 %t847, ptr %t850)
+  %t852 = call i32 (ptr, ...) @printf(ptr @.str.238)
+  call void @finch_str_drop(ptr %a844)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
   ret i64 1
-endif402:
-  store { ptr, i64, i64 } { ptr @.str.250, i64 0, i64 0 }, ptr %a907
-  %t908 = load i1, ptr %a105
-  br i1 %t908, label %then403, label %endif405
-then403:
-  store { ptr, i64, i64 } { ptr @.str.251, i64 6, i64 0 }, ptr %a907
-  br label %endif405
-endif405:
-  %t909 = load i1, ptr %a106
-  br i1 %t909, label %then406, label %endif408
-then406:
-  %t910 = load { ptr, i64, i64 }, ptr %a907
-  store { ptr, i64, i64 } %t910, ptr %a912
-  store { ptr, i64, i64 } { ptr @.str.252, i64 3, i64 0 }, ptr %a913
-  call void @finch_str_concat(ptr %a911, ptr %a912, ptr %a913)
-  %t914 = load { ptr, i64, i64 }, ptr %a911
-  store { ptr, i64, i64 } %t914, ptr %a907
-  br label %endif408
-endif408:
-  %t915 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t915, ptr %a916
-  call void @finch_str_copy(ptr %a917, ptr %a916)
-  %t918 = load { ptr, i64, i64 }, ptr %a917
-  %t919 = insertvalue %S.linker.Build zeroinitializer, { ptr, i64, i64 } %t918, 0
-  %t920 = load { ptr, i64, i64 }, ptr %a810
-  store { ptr, i64, i64 } %t920, ptr %a921
-  call void @finch_str_copy(ptr %a922, ptr %a921)
-  %t923 = load { ptr, i64, i64 }, ptr %a922
-  %t924 = insertvalue %S.linker.Build %t919, { ptr, i64, i64 } %t923, 1
-  %t925 = load { ptr, i64, i64 }, ptr %a839
-  store { ptr, i64, i64 } %t925, ptr %a926
-  call void @finch_str_copy(ptr %a927, ptr %a926)
-  %t928 = load { ptr, i64, i64 }, ptr %a927
-  %t929 = insertvalue %S.linker.Build %t924, { ptr, i64, i64 } %t928, 2
-  %t930 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } %t930, ptr %a931
-  call void @finch_str_copy(ptr %a932, ptr %a931)
-  %t933 = load { ptr, i64, i64 }, ptr %a932
-  %t934 = insertvalue %S.linker.Build %t929, { ptr, i64, i64 } %t933, 3
-  %t935 = load { ptr, i64, i64 }, ptr %a907
-  store { ptr, i64, i64 } %t935, ptr %a936
-  call void @finch_str_copy(ptr %a937, ptr %a936)
-  %t938 = load { ptr, i64, i64 }, ptr %a937
-  %t939 = insertvalue %S.linker.Build %t934, { ptr, i64, i64 } %t938, 4
-  %t940 = load i1, ptr %a105
-  %t941 = insertvalue %S.linker.Build %t939, i1 %t940, 5
-  %t942 = load { ptr, i64, i64 }, ptr %a571
-  store { ptr, i64, i64 } %t942, ptr %a943
-  call void @finch.copy.arr_str(ptr %a944, ptr %a943)
-  %t945 = load { ptr, i64, i64 }, ptr %a944
-  %t946 = insertvalue %S.linker.Build %t941, { ptr, i64, i64 } %t945, 6
-  %t947 = load %S.platform.Target, ptr %a375
-  %t948 = load %S.cimport.CImports, ptr %a778
-  %t949 = call i64 @finch.linker.build(%S.linker.Build %t946, %S.platform.Target %t947, %S.cimport.CImports %t948)
-  %t950 = icmp ne i64 %t949, 0
-  br i1 %t950, label %then409, label %endif411
+or.ok398:
+  store %S.cimport.CImports %t843, ptr %a853
+  %t854 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 0
+  %t855 = load { ptr, i64, i64 }, ptr %t854
+  %t856 = getelementptr inbounds %S.main.Loader, ptr %a474, i32 0, i32 1
+  %t857 = load { ptr, i64, i64 }, ptr %t856
+  %t858 = load %S.cimport.CImports, ptr %a853
+  %t859 = load i1, ptr %a105
+  %t860 = insertvalue %S.gen.Options zeroinitializer, i1 %t859, 0
+  %t861 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t861, ptr %a862
+  store { ptr, i64, i64 } { ptr @.str.239, i64 5, i64 0 }, ptr %a863
+  %t864 = call i32 @finch_str_eq(ptr %a862, ptr %a863)
+  %t865 = icmp ne i32 %t864, 0
+  %t866 = insertvalue %S.gen.Options %t860, i1 %t865, 1
+  %t867 = load i1, ptr %a106
+  %t868 = insertvalue %S.gen.Options %t866, i1 %t867, 2
+  %t869 = call { ptr, i64, i64 } @finch.host.cwd()
+  %t870 = insertvalue %S.gen.Options %t868, { ptr, i64, i64 } %t869, 3
+  %t871 = load %S.platform.Target, ptr %a381
+  store %S.platform.Target %t871, ptr %a872
+  call void @finch.copy.S_platform_Target(ptr %a873, ptr %a872)
+  %t874 = load %S.platform.Target, ptr %a873
+  %t875 = insertvalue %S.gen.Options %t870, %S.platform.Target %t874, 4
+  %t876 = call { ptr, i64, i64 } @finch.gen.generate({ ptr, i64, i64 } %t855, { ptr, i64, i64 } %t857, %S.cimport.CImports %t858, %S.gen.Options %t875)
+  store %S.gen.Options %t875, ptr %a877
+  call void @finch.drop.S_gen_Options(ptr %a877)
+  store { ptr, i64, i64 } %t876, ptr %a878
+  %t879 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t879, ptr %a880
+  store { ptr, i64, i64 } { ptr @.str.240, i64 2, i64 0 }, ptr %a881
+  %t882 = call i32 @finch_str_eq(ptr %a880, ptr %a881)
+  %t883 = icmp ne i32 %t882, 0
+  br label %logic.from405
+logic.from405:
+  br i1 %t883, label %logic.end407, label %logic.rhs406
+logic.rhs406:
+  %t884 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t884, ptr %a885
+  store { ptr, i64, i64 } { ptr @.str.241, i64 5, i64 0 }, ptr %a886
+  %t887 = call i32 @finch_str_eq(ptr %a885, ptr %a886)
+  %t888 = icmp ne i32 %t887, 0
+  br label %logic.rend408
+logic.rend408:
+  br label %logic.end407
+logic.end407:
+  %t889 = phi i1 [ true, %logic.from405 ], [ %t888, %logic.rend408 ]
+  br i1 %t889, label %then409, label %endif411
 then409:
-  ret i64 1
+  %t890 = load { ptr, i64, i64 }, ptr %a878
+  %t891 = extractvalue { ptr, i64, i64 } %t890, 1
+  %t892 = trunc i64 %t891 to i32
+  %t893 = extractvalue { ptr, i64, i64 } %t890, 0
+  %t894 = icmp eq ptr %t893, null
+  %t895 = select i1 %t894, ptr @.str.242, ptr %t893
+  %t896 = call i32 (ptr, ...) @printf(ptr @.str.243, i32 %t892, ptr %t895)
+  %t897 = call i32 (ptr, ...) @printf(ptr @.str.244)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 0
 endif411:
-  %t951 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t951, ptr %a952
-  store { ptr, i64, i64 } { ptr @.str.253, i64 3, i64 0 }, ptr %a953
-  %t954 = call i32 @finch_str_eq(ptr %a952, ptr %a953)
-  %t955 = icmp ne i32 %t954, 0
-  br i1 %t955, label %then412, label %endif414
-then412:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a956
-  store i64 0, ptr %a957
-  br label %each.cond415
-each.cond415:
-  %t958 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
-  %t959 = load i64, ptr %t958
-  %t960 = load i64, ptr %a957
-  %t961 = icmp slt i64 %t960, %t959
-  br i1 %t961, label %each.body416, label %each.end418
-each.body416:
-  %t962 = load ptr, ptr %a113
-  %t963 = getelementptr inbounds { ptr, i64, i64 }, ptr %t962, i64 %t960
-  %t964 = load { ptr, i64, i64 }, ptr %t963
-  store { ptr, i64, i64 } %t964, ptr %a965
-  %t966 = getelementptr inbounds { ptr, i64, i64 }, ptr %a956, i32 0, i32 1
-  %t967 = load { ptr, i64, i64 }, ptr %a965
-  %t968 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t967)
-  %t969 = load i64, ptr %t966
-  %t970 = add i64 %t969, 1
-  call void @finch_arr_reserve(ptr %a956, i64 %t970, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t971 = load ptr, ptr %a956
-  %t972 = getelementptr inbounds { ptr, i64, i64 }, ptr %t971, i64 %t969
-  store { ptr, i64, i64 } %t968, ptr %t972
-  store i64 %t970, ptr %t966
-  br label %each.step417
-each.step417:
-  %t973 = load i64, ptr %a957
-  %t974 = add i64 %t973, 1
-  store i64 %t974, ptr %a957
-  br label %each.cond415
-each.end418:
-  %t975 = getelementptr inbounds %S.platform.Target, ptr %a375, i32 0, i32 8
-  %t976 = load { ptr, i64, i64 }, ptr %t975
-  %t977 = load { ptr, i64, i64 }, ptr %a103
-  %t978 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t977)
-  store { ptr, i64, i64 } %t976, ptr %a980
-  store { ptr, i64, i64 } %t978, ptr %a981
-  call void @finch_str_concat(ptr %a979, ptr %a980, ptr %a981)
-  %t982 = load { ptr, i64, i64 }, ptr %a979
-  store { ptr, i64, i64 } %t982, ptr %a984
-  store { ptr, i64, i64 } { ptr @.str.254, i64 1, i64 0 }, ptr %a985
-  call void @finch_str_concat(ptr %a983, ptr %a984, ptr %a985)
-  %t986 = load { ptr, i64, i64 }, ptr %a983
-  %t987 = getelementptr inbounds { ptr, i64, i64 }, ptr %a956, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.255, i64 1, i64 0 }, ptr %a988
-  call void @finch_str_join(ptr %a989, ptr %a956, ptr %a988)
-  %t990 = load { ptr, i64, i64 }, ptr %a989
-  store { ptr, i64, i64 } %t986, ptr %a992
-  store { ptr, i64, i64 } %t990, ptr %a993
-  call void @finch_str_concat(ptr %a991, ptr %a992, ptr %a993)
-  %t994 = load { ptr, i64, i64 }, ptr %a991
-  store { ptr, i64, i64 } %t994, ptr %a996
-  call void @finch_str_copy(ptr %a995, ptr %a996)
-  %t997 = call i64 @finch_shell(ptr %a995)
-  store i64 %t997, ptr %a998
+  %t898 = extractvalue { ptr, i64, i64 } { ptr @.str.245, i64 8, i64 0 }, 0
+  %t899 = icmp eq ptr %t898, null
+  %t900 = select i1 %t899, ptr @.str.246, ptr %t898
+  %t901 = call ptr @getenv(ptr %t900)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a902
+  call void @finch_str_from_c(ptr %a902, ptr %t901)
+  %t903 = load { ptr, i64, i64 }, ptr %a902
+  store { ptr, i64, i64 } %t903, ptr %a904
+  call void @finch_str_copy(ptr %a905, ptr %a904)
+  %t906 = load { ptr, i64, i64 }, ptr %a905
+  store { ptr, i64, i64 } %t906, ptr %a907
+  %t908 = getelementptr inbounds { ptr, i64, i64 }, ptr %a907, i32 0, i32 1
+  %t909 = load i64, ptr %t908
+  %t910 = icmp eq i64 %t909, 0
+  br i1 %t910, label %then435, label %endif437
+then435:
+  %t911 = load { ptr, i64, i64 }, ptr %a1
+  %t912 = extractvalue { ptr, i64, i64 } %t911, 1
+  %t913 = icmp uge i64 0, %t912
+  br i1 %t913, label %range438, label %inrange439
+range438:
+  call void @finch_panic_index(ptr @.str.247, i64 296, i64 0, i64 %t912)
+  unreachable
+inrange439:
+  %t914 = extractvalue { ptr, i64, i64 } %t911, 0
+  %t915 = getelementptr inbounds { ptr, i64, i64 }, ptr %t914, i64 0
+  %t916 = load { ptr, i64, i64 }, ptr %t915
+  %t917 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t916)
+  store { ptr, i64, i64 } %t917, ptr %a919
+  store { ptr, i64, i64 } { ptr @.str.248, i64 22, i64 0 }, ptr %a920
+  call void @finch_str_concat(ptr %a918, ptr %a919, ptr %a920)
+  store { ptr, i64, i64 } %t917, ptr %a921
+  call void @finch_str_drop(ptr %a921)
+  %t922 = load { ptr, i64, i64 }, ptr %a918
+  %t923 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t922, ptr %a907
+  store { ptr, i64, i64 } %t923, ptr %a924
+  call void @finch_str_drop(ptr %a924)
+  br label %endif437
+endif437:
+  %t925 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t925, ptr %a926
+  %t927 = call i32 @finch_file_exists(ptr %a926)
+  %t928 = icmp ne i32 %t927, 0
+  %t929 = xor i1 %t928, true
+  br i1 %t929, label %then440, label %endif442
+then440:
+  %t930 = load { ptr, i64, i64 }, ptr %a1
+  %t931 = extractvalue { ptr, i64, i64 } %t930, 1
+  %t932 = icmp uge i64 0, %t931
+  br i1 %t932, label %range443, label %inrange444
+range443:
+  call void @finch_panic_index(ptr @.str.249, i64 299, i64 0, i64 %t931)
+  unreachable
+inrange444:
+  %t933 = extractvalue { ptr, i64, i64 } %t930, 0
+  %t934 = getelementptr inbounds { ptr, i64, i64 }, ptr %t933, i64 0
+  %t935 = load { ptr, i64, i64 }, ptr %t934
+  %t936 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t935)
+  store { ptr, i64, i64 } %t936, ptr %a938
+  store { ptr, i64, i64 } { ptr @.str.250, i64 19, i64 0 }, ptr %a939
+  call void @finch_str_concat(ptr %a937, ptr %a938, ptr %a939)
+  store { ptr, i64, i64 } %t936, ptr %a940
+  call void @finch_str_drop(ptr %a940)
+  %t941 = load { ptr, i64, i64 }, ptr %a937
+  %t942 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t941, ptr %a907
+  store { ptr, i64, i64 } %t942, ptr %a943
+  call void @finch_str_drop(ptr %a943)
+  br label %endif442
+endif442:
+  %t944 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t944, ptr %a945
+  %t946 = call i32 @finch_file_exists(ptr %a945)
+  %t947 = icmp ne i32 %t946, 0
+  %t948 = xor i1 %t947, true
+  br i1 %t948, label %then445, label %endif447
+then445:
+  %t949 = load { ptr, i64, i64 }, ptr %a1
+  %t950 = extractvalue { ptr, i64, i64 } %t949, 1
+  %t951 = icmp uge i64 0, %t950
+  br i1 %t951, label %range448, label %inrange449
+range448:
+  call void @finch_panic_index(ptr @.str.251, i64 302, i64 0, i64 %t950)
+  unreachable
+inrange449:
+  %t952 = extractvalue { ptr, i64, i64 } %t949, 0
+  %t953 = getelementptr inbounds { ptr, i64, i64 }, ptr %t952, i64 0
+  %t954 = load { ptr, i64, i64 }, ptr %t953
+  %t955 = call { ptr, i64, i64 } @finch.main.dirOf({ ptr, i64, i64 } %t954)
+  store { ptr, i64, i64 } %t955, ptr %a957
+  store { ptr, i64, i64 } { ptr @.str.252, i64 34, i64 0 }, ptr %a958
+  call void @finch_str_concat(ptr %a956, ptr %a957, ptr %a958)
+  store { ptr, i64, i64 } %t955, ptr %a959
+  call void @finch_str_drop(ptr %a959)
+  %t960 = load { ptr, i64, i64 }, ptr %a956
+  %t961 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t960, ptr %a907
+  store { ptr, i64, i64 } %t961, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  br label %endif447
+endif447:
+  %t963 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t963, ptr %a964
+  %t965 = call i32 @finch_file_exists(ptr %a964)
+  %t966 = icmp ne i32 %t965, 0
+  %t967 = xor i1 %t966, true
+  br label %logic.from450
+logic.from450:
+  br i1 %t967, label %logic.rhs451, label %logic.end452
+logic.rhs451:
+  store { ptr, i64, i64 } { ptr @.str.253, i64 18, i64 0 }, ptr %a968
+  %t969 = call i32 @finch_file_exists(ptr %a968)
+  %t970 = icmp ne i32 %t969, 0
+  br label %logic.rend453
+logic.rend453:
+  br label %logic.end452
+logic.end452:
+  %t971 = phi i1 [ false, %logic.from450 ], [ %t970, %logic.rend453 ]
+  br i1 %t971, label %then454, label %endif456
+then454:
+  %t972 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } { ptr @.str.254, i64 18, i64 0 }, ptr %a907
+  store { ptr, i64, i64 } %t972, ptr %a973
+  call void @finch_str_drop(ptr %a973)
+  br label %endif456
+endif456:
+  %t974 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t974, ptr %a975
+  %t976 = call i32 @finch_file_exists(ptr %a975)
+  %t977 = icmp ne i32 %t976, 0
+  %t978 = xor i1 %t977, true
+  br i1 %t978, label %then457, label %endif459
+then457:
+  %t979 = call { ptr, i64, i64 } @finch.main.unpack()
+  store { ptr, i64, i64 } %t979, ptr %a981
+  store { ptr, i64, i64 } { ptr @.str.255, i64 19, i64 0 }, ptr %a982
+  call void @finch_str_concat(ptr %a980, ptr %a981, ptr %a982)
+  store { ptr, i64, i64 } %t979, ptr %a983
+  call void @finch_str_drop(ptr %a983)
+  %t984 = load { ptr, i64, i64 }, ptr %a980
+  %t985 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t984, ptr %a907
+  store { ptr, i64, i64 } %t985, ptr %a986
+  call void @finch_str_drop(ptr %a986)
+  br label %endif459
+endif459:
+  store { ptr, i64, i64 } { ptr @.str.256, i64 0, i64 0 }, ptr %a987
+  %t988 = load i1, ptr %a105
+  br i1 %t988, label %then460, label %endif462
+then460:
+  %t989 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } { ptr @.str.257, i64 6, i64 0 }, ptr %a987
+  store { ptr, i64, i64 } %t989, ptr %a990
+  call void @finch_str_drop(ptr %a990)
+  br label %endif462
+endif462:
+  %t991 = load i1, ptr %a106
+  br i1 %t991, label %then463, label %endif465
+then463:
+  %t992 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t992, ptr %a994
+  store { ptr, i64, i64 } { ptr @.str.258, i64 3, i64 0 }, ptr %a995
+  call void @finch_str_concat(ptr %a993, ptr %a994, ptr %a995)
+  %t996 = load { ptr, i64, i64 }, ptr %a993
+  %t997 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t996, ptr %a987
+  store { ptr, i64, i64 } %t997, ptr %a998
+  call void @finch_str_drop(ptr %a998)
+  br label %endif465
+endif465:
   %t999 = load { ptr, i64, i64 }, ptr %a103
-  %t1000 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t999)
-  store { ptr, i64, i64 } { ptr @.str.256, i64 6, i64 0 }, ptr %a1002
-  store { ptr, i64, i64 } %t1000, ptr %a1003
-  call void @finch_str_concat(ptr %a1001, ptr %a1002, ptr %a1003)
-  %t1004 = load { ptr, i64, i64 }, ptr %a1001
-  store { ptr, i64, i64 } %t1004, ptr %a1006
-  call void @finch_str_copy(ptr %a1005, ptr %a1006)
-  %t1007 = call i64 @finch_shell(ptr %a1005)
-  %t1008 = load i64, ptr %a998
-  ret i64 %t1008
-endif414:
+  store { ptr, i64, i64 } %t999, ptr %a1000
+  call void @finch_str_copy(ptr %a1001, ptr %a1000)
+  %t1002 = load { ptr, i64, i64 }, ptr %a1001
+  %t1003 = insertvalue %S.linker.Build zeroinitializer, { ptr, i64, i64 } %t1002, 0
+  %t1004 = load { ptr, i64, i64 }, ptr %a878
+  store { ptr, i64, i64 } %t1004, ptr %a1005
+  call void @finch_str_copy(ptr %a1006, ptr %a1005)
+  %t1007 = load { ptr, i64, i64 }, ptr %a1006
+  %t1008 = insertvalue %S.linker.Build %t1003, { ptr, i64, i64 } %t1007, 1
+  %t1009 = load { ptr, i64, i64 }, ptr %a907
+  store { ptr, i64, i64 } %t1009, ptr %a1010
+  call void @finch_str_copy(ptr %a1011, ptr %a1010)
+  %t1012 = load { ptr, i64, i64 }, ptr %a1011
+  %t1013 = insertvalue %S.linker.Build %t1008, { ptr, i64, i64 } %t1012, 2
+  %t1014 = load { ptr, i64, i64 }, ptr %a108
+  store { ptr, i64, i64 } %t1014, ptr %a1015
+  call void @finch_str_copy(ptr %a1016, ptr %a1015)
+  %t1017 = load { ptr, i64, i64 }, ptr %a1016
+  %t1018 = insertvalue %S.linker.Build %t1013, { ptr, i64, i64 } %t1017, 3
+  %t1019 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t1019, ptr %a1020
+  call void @finch_str_copy(ptr %a1021, ptr %a1020)
+  %t1022 = load { ptr, i64, i64 }, ptr %a1021
+  %t1023 = insertvalue %S.linker.Build %t1018, { ptr, i64, i64 } %t1022, 4
+  %t1024 = load i1, ptr %a105
+  %t1025 = insertvalue %S.linker.Build %t1023, i1 %t1024, 5
+  %t1026 = load { ptr, i64, i64 }, ptr %a643
+  store { ptr, i64, i64 } %t1026, ptr %a1027
+  call void @finch.copy.arr_str(ptr %a1028, ptr %a1027)
+  %t1029 = load { ptr, i64, i64 }, ptr %a1028
+  %t1030 = insertvalue %S.linker.Build %t1025, { ptr, i64, i64 } %t1029, 6
+  %t1031 = load %S.platform.Target, ptr %a381
+  %t1032 = load %S.cimport.CImports, ptr %a853
+  %t1033 = call i64 @finch.linker.build(%S.linker.Build %t1030, %S.platform.Target %t1031, %S.cimport.CImports %t1032)
+  store %S.linker.Build %t1030, ptr %a1034
+  call void @finch.drop.S_linker_Build(ptr %a1034)
+  %t1035 = icmp ne i64 %t1033, 0
+  br i1 %t1035, label %then466, label %endif468
+then466:
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a907)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 1
+endif468:
+  %t1036 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t1036, ptr %a1037
+  store { ptr, i64, i64 } { ptr @.str.259, i64 3, i64 0 }, ptr %a1038
+  %t1039 = call i32 @finch_str_eq(ptr %a1037, ptr %a1038)
+  %t1040 = icmp ne i32 %t1039, 0
+  br i1 %t1040, label %then469, label %endif471
+then469:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1041
+  store i64 0, ptr %a1042
+  br label %each.cond472
+each.cond472:
+  %t1043 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
+  %t1044 = load i64, ptr %t1043
+  %t1045 = load i64, ptr %a1042
+  %t1046 = icmp slt i64 %t1045, %t1044
+  br i1 %t1046, label %each.body473, label %each.end475
+each.body473:
+  %t1047 = load ptr, ptr %a113
+  %t1048 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1047, i64 %t1045
+  %t1049 = load { ptr, i64, i64 }, ptr %t1048
+  store { ptr, i64, i64 } %t1049, ptr %a1050
+  %t1051 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1041, i32 0, i32 1
+  %t1052 = load { ptr, i64, i64 }, ptr %a1050
+  %t1053 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t1052)
+  %t1054 = load i64, ptr %t1051
+  %t1055 = add i64 %t1054, 1
+  call void @finch_arr_reserve(ptr %a1041, i64 %t1055, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1056 = load ptr, ptr %a1041
+  %t1057 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1056, i64 %t1054
+  store { ptr, i64, i64 } %t1053, ptr %t1057
+  store i64 %t1055, ptr %t1051
+  br label %each.step474
+each.step474:
+  %t1058 = load i64, ptr %a1042
+  %t1059 = add i64 %t1058, 1
+  store i64 %t1059, ptr %a1042
+  br label %each.cond472
+each.end475:
+  %t1060 = getelementptr inbounds %S.platform.Target, ptr %a381, i32 0, i32 8
+  %t1061 = load { ptr, i64, i64 }, ptr %t1060
+  %t1062 = load { ptr, i64, i64 }, ptr %a103
+  %t1063 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t1062)
+  store { ptr, i64, i64 } %t1061, ptr %a1065
+  store { ptr, i64, i64 } %t1063, ptr %a1066
+  call void @finch_str_concat(ptr %a1064, ptr %a1065, ptr %a1066)
+  store { ptr, i64, i64 } %t1063, ptr %a1067
+  call void @finch_str_drop(ptr %a1067)
+  %t1068 = load { ptr, i64, i64 }, ptr %a1064
+  store { ptr, i64, i64 } %t1068, ptr %a1070
+  store { ptr, i64, i64 } { ptr @.str.260, i64 1, i64 0 }, ptr %a1071
+  call void @finch_str_concat(ptr %a1069, ptr %a1070, ptr %a1071)
+  store { ptr, i64, i64 } %t1068, ptr %a1072
+  call void @finch_str_drop(ptr %a1072)
+  %t1073 = load { ptr, i64, i64 }, ptr %a1069
+  %t1074 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1041, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.261, i64 1, i64 0 }, ptr %a1075
+  call void @finch_str_join(ptr %a1076, ptr %a1041, ptr %a1075)
+  %t1077 = load { ptr, i64, i64 }, ptr %a1076
+  store { ptr, i64, i64 } %t1073, ptr %a1079
+  store { ptr, i64, i64 } %t1077, ptr %a1080
+  call void @finch_str_concat(ptr %a1078, ptr %a1079, ptr %a1080)
+  store { ptr, i64, i64 } %t1073, ptr %a1081
+  call void @finch_str_drop(ptr %a1081)
+  store { ptr, i64, i64 } %t1077, ptr %a1082
+  call void @finch_str_drop(ptr %a1082)
+  %t1083 = load { ptr, i64, i64 }, ptr %a1078
+  %t1084 = call i64 @finch.host.run({ ptr, i64, i64 } %t1083)
+  store { ptr, i64, i64 } %t1083, ptr %a1085
+  call void @finch_str_drop(ptr %a1085)
+  store i64 %t1084, ptr %a1086
+  %t1087 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch.host.remove({ ptr, i64, i64 } %t1087)
+  %t1088 = load i64, ptr %a1086
+  call void @finch.drop.arr_str(ptr %a1041)
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a907)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
+  ret i64 %t1088
+endif471:
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a907)
+  call void @finch_str_drop(ptr %a878)
+  call void @finch.drop.S_cimport_CImports(ptr %a853)
+  call void @finch_str_drop(ptr %a822)
+  call void @finch.drop.arr_str(ptr %a643)
+  call void @finch.drop.arr_str(ptr %a638)
+  call void @finch.drop.arr_str(ptr %a633)
+  call void @finch.drop.arr_S_cimport_Header(ptr %a632)
+  call void @finch.drop.S_main_Loader(ptr %a474)
+  call void @finch.drop.S_platform_Target(ptr %a381)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.arr_str(ptr %a112)
+  call void @finch.drop.arr_str(ptr %a111)
+  call void @finch.drop.arr_str(ptr %a110)
+  call void @finch.drop.arr_str(ptr %a109)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a103)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a67)
   ret i64 0
 }
 
@@ -10657,50 +12061,50 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 97
-  br label %logic.from419
-logic.from419:
-  br i1 %t3, label %logic.rhs420, label %logic.end421
-logic.rhs420:
+  br label %logic.from476
+logic.from476:
+  br i1 %t3, label %logic.rhs477, label %logic.end478
+logic.rhs477:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 122
-  br label %logic.rend422
-logic.rend422:
-  br label %logic.end421
-logic.end421:
-  %t6 = phi i1 [ false, %logic.from419 ], [ %t5, %logic.rend422 ]
-  br label %logic.from423
-logic.from423:
-  br i1 %t6, label %logic.end425, label %logic.rhs424
-logic.rhs424:
+  br label %logic.rend479
+logic.rend479:
+  br label %logic.end478
+logic.end478:
+  %t6 = phi i1 [ false, %logic.from476 ], [ %t5, %logic.rend479 ]
+  br label %logic.from480
+logic.from480:
+  br i1 %t6, label %logic.end482, label %logic.rhs481
+logic.rhs481:
   %t7 = load i8, ptr %a1
   %t8 = icmp uge i8 %t7, 65
-  br label %logic.from426
-logic.from426:
-  br i1 %t8, label %logic.rhs427, label %logic.end428
-logic.rhs427:
+  br label %logic.from483
+logic.from483:
+  br i1 %t8, label %logic.rhs484, label %logic.end485
+logic.rhs484:
   %t9 = load i8, ptr %a1
   %t10 = icmp ule i8 %t9, 90
-  br label %logic.rend429
-logic.rend429:
-  br label %logic.end428
-logic.end428:
-  %t11 = phi i1 [ false, %logic.from426 ], [ %t10, %logic.rend429 ]
-  br label %logic.rend430
-logic.rend430:
-  br label %logic.end425
-logic.end425:
-  %t12 = phi i1 [ true, %logic.from423 ], [ %t11, %logic.rend430 ]
-  br label %logic.from431
-logic.from431:
-  br i1 %t12, label %logic.end433, label %logic.rhs432
-logic.rhs432:
+  br label %logic.rend486
+logic.rend486:
+  br label %logic.end485
+logic.end485:
+  %t11 = phi i1 [ false, %logic.from483 ], [ %t10, %logic.rend486 ]
+  br label %logic.rend487
+logic.rend487:
+  br label %logic.end482
+logic.end482:
+  %t12 = phi i1 [ true, %logic.from480 ], [ %t11, %logic.rend487 ]
+  br label %logic.from488
+logic.from488:
+  br i1 %t12, label %logic.end490, label %logic.rhs489
+logic.rhs489:
   %t13 = load i8, ptr %a1
   %t14 = icmp eq i8 %t13, 95
-  br label %logic.rend434
-logic.rend434:
-  br label %logic.end433
-logic.end433:
-  %t15 = phi i1 [ true, %logic.from431 ], [ %t14, %logic.rend434 ]
+  br label %logic.rend491
+logic.rend491:
+  br label %logic.end490
+logic.end490:
+  %t15 = phi i1 [ true, %logic.from488 ], [ %t14, %logic.rend491 ]
   ret i1 %t15
 }
 
@@ -10710,17 +12114,17 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 48
-  br label %logic.from435
-logic.from435:
-  br i1 %t3, label %logic.rhs436, label %logic.end437
-logic.rhs436:
+  br label %logic.from492
+logic.from492:
+  br i1 %t3, label %logic.rhs493, label %logic.end494
+logic.rhs493:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 57
-  br label %logic.rend438
-logic.rend438:
-  br label %logic.end437
-logic.end437:
-  %t6 = phi i1 [ false, %logic.from435 ], [ %t5, %logic.rend438 ]
+  br label %logic.rend495
+logic.rend495:
+  br label %logic.end494
+logic.end494:
+  %t6 = phi i1 [ false, %logic.from492 ], [ %t5, %logic.rend495 ]
   ret i1 %t6
 }
 
@@ -10730,50 +12134,50 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = call i1 @finch.lexer.isDigit(i8 %t2)
-  br label %logic.from439
-logic.from439:
-  br i1 %t3, label %logic.end441, label %logic.rhs440
-logic.rhs440:
+  br label %logic.from496
+logic.from496:
+  br i1 %t3, label %logic.end498, label %logic.rhs497
+logic.rhs497:
   %t4 = load i8, ptr %a1
   %t5 = icmp uge i8 %t4, 97
-  br label %logic.from442
-logic.from442:
-  br i1 %t5, label %logic.rhs443, label %logic.end444
-logic.rhs443:
+  br label %logic.from499
+logic.from499:
+  br i1 %t5, label %logic.rhs500, label %logic.end501
+logic.rhs500:
   %t6 = load i8, ptr %a1
   %t7 = icmp ule i8 %t6, 102
-  br label %logic.rend445
-logic.rend445:
-  br label %logic.end444
-logic.end444:
-  %t8 = phi i1 [ false, %logic.from442 ], [ %t7, %logic.rend445 ]
-  br label %logic.rend446
-logic.rend446:
-  br label %logic.end441
-logic.end441:
-  %t9 = phi i1 [ true, %logic.from439 ], [ %t8, %logic.rend446 ]
-  br label %logic.from447
-logic.from447:
-  br i1 %t9, label %logic.end449, label %logic.rhs448
-logic.rhs448:
+  br label %logic.rend502
+logic.rend502:
+  br label %logic.end501
+logic.end501:
+  %t8 = phi i1 [ false, %logic.from499 ], [ %t7, %logic.rend502 ]
+  br label %logic.rend503
+logic.rend503:
+  br label %logic.end498
+logic.end498:
+  %t9 = phi i1 [ true, %logic.from496 ], [ %t8, %logic.rend503 ]
+  br label %logic.from504
+logic.from504:
+  br i1 %t9, label %logic.end506, label %logic.rhs505
+logic.rhs505:
   %t10 = load i8, ptr %a1
   %t11 = icmp uge i8 %t10, 65
-  br label %logic.from450
-logic.from450:
-  br i1 %t11, label %logic.rhs451, label %logic.end452
-logic.rhs451:
+  br label %logic.from507
+logic.from507:
+  br i1 %t11, label %logic.rhs508, label %logic.end509
+logic.rhs508:
   %t12 = load i8, ptr %a1
   %t13 = icmp ule i8 %t12, 70
-  br label %logic.rend453
-logic.rend453:
-  br label %logic.end452
-logic.end452:
-  %t14 = phi i1 [ false, %logic.from450 ], [ %t13, %logic.rend453 ]
-  br label %logic.rend454
-logic.rend454:
-  br label %logic.end449
-logic.end449:
-  %t15 = phi i1 [ true, %logic.from447 ], [ %t14, %logic.rend454 ]
+  br label %logic.rend510
+logic.rend510:
+  br label %logic.end509
+logic.end509:
+  %t14 = phi i1 [ false, %logic.from507 ], [ %t13, %logic.rend510 ]
+  br label %logic.rend511
+logic.rend511:
+  br label %logic.end506
+logic.end506:
+  %t15 = phi i1 [ true, %logic.from504 ], [ %t14, %logic.rend511 ]
   ret i1 %t15
 }
 
@@ -10789,47 +12193,47 @@ entry:
   %t2 = mul i64 21, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.257, i64 2, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.262, i64 2, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.258, i64 6, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.263, i64 6, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.259, i64 2, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.264, i64 2, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.260, i64 4, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.265, i64 4, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.261, i64 5, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.266, i64 5, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.262, i64 3, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.267, i64 3, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.263, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.268, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.264, i64 5, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.269, i64 5, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.265, i64 8, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.270, i64 8, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.266, i64 4, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.271, i64 4, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.267, i64 5, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.272, i64 5, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.268, i64 4, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.273, i64 4, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.269, i64 6, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.274, i64 6, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.270, i64 4, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.275, i64 4, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.271, i64 6, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.276, i64 6, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.272, i64 5, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.277, i64 5, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 16
-  store { ptr, i64, i64 } { ptr @.str.273, i64 2, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.278, i64 2, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 17
-  store { ptr, i64, i64 } { ptr @.str.274, i64 3, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.279, i64 3, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 18
-  store { ptr, i64, i64 } { ptr @.str.275, i64 4, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.280, i64 4, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 19
-  store { ptr, i64, i64 } { ptr @.str.276, i64 5, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.281, i64 5, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 20
-  store { ptr, i64, i64 } { ptr @.str.277, i64 6, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.282, i64 6, i64 0 }, ptr %t24
   %t25 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t26 = insertvalue { ptr, i64, i64 } %t25, i64 21, 1
   %t27 = insertvalue { ptr, i64, i64 } %t26, i64 21, 2
@@ -10840,29 +12244,30 @@ entry:
   %t32 = load i64, ptr %t29
   %t33 = load ptr, ptr %a28
   store i64 0, ptr %a34
-  br label %find.cond455
-find.cond455:
+  br label %find.cond512
+find.cond512:
   %t35 = load i64, ptr %a34
   %t36 = icmp slt i64 %t35, %t32
-  br i1 %t36, label %find.body456, label %find.end459
-find.body456:
+  br i1 %t36, label %find.body513, label %find.end516
+find.body513:
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t35
   %t38 = load { ptr, i64, i64 }, ptr %t37
   store { ptr, i64, i64 } %t38, ptr %a39
   store { ptr, i64, i64 } %t30, ptr %a40
   %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
   %t42 = icmp ne i32 %t41, 0
-  br i1 %t42, label %find.hit457, label %find.next458
-find.hit457:
+  br i1 %t42, label %find.hit514, label %find.next515
+find.hit514:
   store i64 %t35, ptr %a31
-  br label %find.end459
-find.next458:
+  br label %find.end516
+find.next515:
   %t43 = add i64 %t35, 1
   store i64 %t43, ptr %a34
-  br label %find.cond455
-find.end459:
+  br label %find.cond512
+find.end516:
   %t44 = load i64, ptr %a31
   %t45 = icmp sge i64 %t44, 0
+  call void @finch.drop.arr_str(ptr %a28)
   ret i1 %t45
 }
 
@@ -10879,34 +12284,42 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store i64 %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic460, label %ok461
-panic460:
-  call void @finch_panic(ptr @.str.278, i64 41, ptr @.str.279)
+  br i1 %t6, label %panic517, label %ok518
+panic517:
+  call void @finch_panic(ptr @.str.283, i64 41, ptr @.str.284)
   unreachable
-ok461:
+ok518:
   %t7 = getelementptr inbounds %S.lexer.Lexer, ptr %t5, i32 0, i32 1
   %t8 = load { ptr, i64, i64 }, ptr %t7
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.280, i64 1, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.285, i64 1, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load i64, ptr %a2
@@ -10915,37 +12328,53 @@ ok461:
   store { ptr, i64, i64 } %t12, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.281, i64 1, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a25, i64 %t24)
-  %t26 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.282, i64 9, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t34, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.286, i64 1, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a28, i64 %t27)
+  %t29 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t26, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t26, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a30
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.287, i64 9, i64 0 }, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = trunc i64 %t40 to i32
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = icmp eq ptr %t42, null
-  %t44 = select i1 %t43, ptr @.str.283, ptr %t42
-  %t45 = call i32 (ptr, ...) @printf(ptr @.str.284, i32 %t41, ptr %t44)
-  %t46 = call i32 (ptr, ...) @printf(ptr @.str.285)
-  %t47 = trunc i64 1 to i32
-  %t48 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t47)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t40, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t40, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = trunc i64 %t47 to i32
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = icmp eq ptr %t49, null
+  %t51 = select i1 %t50, ptr @.str.288, ptr %t49
+  %t52 = call i32 (ptr, ...) @printf(ptr @.str.289, i32 %t48, ptr %t51)
+  store { ptr, i64, i64 } %t46, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = call i32 (ptr, ...) @printf(ptr @.str.290)
+  %t55 = trunc i64 1 to i32
+  %t56 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t55)
   ret void
 }
 
@@ -10957,43 +12386,43 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic462, label %ok463
-panic462:
-  call void @finch_panic(ptr @.str.286, i64 46, ptr @.str.287)
+  br i1 %t4, label %panic519, label %ok520
+panic519:
+  call void @finch_panic(ptr @.str.291, i64 46, ptr @.str.292)
   unreachable
-ok463:
+ok520:
   %t5 = getelementptr inbounds %S.lexer.Lexer, ptr %t3, i32 0, i32 2
   %t6 = load i64, ptr %t5
   %t7 = load i64, ptr %a2
   %t8 = add i64 %t6, %t7
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic464, label %ok465
-panic464:
-  call void @finch_panic(ptr @.str.288, i64 46, ptr @.str.289)
+  br i1 %t10, label %panic521, label %ok522
+panic521:
+  call void @finch_panic(ptr @.str.293, i64 46, ptr @.str.294)
   unreachable
-ok465:
+ok522:
   %t11 = getelementptr inbounds %S.lexer.Lexer, ptr %t9, i32 0, i32 0
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t11, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = icmp slt i64 %t8, %t13
-  br i1 %t14, label %then466, label %endif468
-then466:
+  br i1 %t14, label %then523, label %endif525
+then523:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic469, label %ok470
-panic469:
-  call void @finch_panic(ptr @.str.290, i64 47, ptr @.str.291)
+  br i1 %t16, label %panic526, label %ok527
+panic526:
+  call void @finch_panic(ptr @.str.295, i64 47, ptr @.str.296)
   unreachable
-ok470:
+ok527:
   %t17 = getelementptr inbounds %S.lexer.Lexer, ptr %t15, i32 0, i32 0
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic471, label %ok472
-panic471:
-  call void @finch_panic(ptr @.str.292, i64 47, ptr @.str.293)
+  br i1 %t19, label %panic528, label %ok529
+panic528:
+  call void @finch_panic(ptr @.str.297, i64 47, ptr @.str.298)
   unreachable
-ok472:
+ok529:
   %t20 = getelementptr inbounds %S.lexer.Lexer, ptr %t18, i32 0, i32 2
   %t21 = load i64, ptr %t20
   %t22 = load i64, ptr %a2
@@ -11001,16 +12430,16 @@ ok472:
   %t24 = load { ptr, i64, i64 }, ptr %t17
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range473, label %inrange474
-range473:
-  call void @finch_panic_index(ptr @.str.294, i64 47, i64 %t23, i64 %t25)
+  br i1 %t26, label %range530, label %inrange531
+range530:
+  call void @finch_panic_index(ptr @.str.299, i64 47, i64 %t23, i64 %t25)
   unreachable
-inrange474:
+inrange531:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds i8, ptr %t27, i64 %t23
   %t29 = load i8, ptr %t28
   ret i8 %t29
-endif468:
+endif525:
   %t30 = trunc i64 0 to i8
   ret i8 %t30
 }
@@ -11022,96 +12451,96 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic475, label %ok476
-panic475:
-  call void @finch_panic(ptr @.str.295, i64 53, ptr @.str.296)
+  br i1 %t3, label %panic532, label %ok533
+panic532:
+  call void @finch_panic(ptr @.str.300, i64 53, ptr @.str.301)
   unreachable
-ok476:
+ok533:
   %t4 = getelementptr inbounds %S.lexer.Lexer, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic477, label %ok478
-panic477:
-  call void @finch_panic(ptr @.str.297, i64 53, ptr @.str.298)
+  br i1 %t6, label %panic534, label %ok535
+panic534:
+  call void @finch_panic(ptr @.str.302, i64 53, ptr @.str.303)
   unreachable
-ok478:
+ok535:
   %t7 = getelementptr inbounds %S.lexer.Lexer, ptr %t5, i32 0, i32 2
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range479, label %inrange480
-range479:
-  call void @finch_panic_index(ptr @.str.299, i64 53, i64 %t8, i64 %t10)
+  br i1 %t11, label %range536, label %inrange537
+range536:
+  call void @finch_panic_index(ptr @.str.304, i64 53, i64 %t8, i64 %t10)
   unreachable
-inrange480:
+inrange537:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds i8, ptr %t12, i64 %t8
   %t14 = load i8, ptr %t13
   store i8 %t14, ptr %a15
   %t16 = load i8, ptr %a15
   %t17 = icmp eq i8 %t16, 10
-  br i1 %t17, label %then481, label %else482
-then481:
+  br i1 %t17, label %then538, label %else539
+then538:
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic484, label %ok485
-panic484:
-  call void @finch_panic(ptr @.str.300, i64 55, ptr @.str.301)
+  br i1 %t19, label %panic541, label %ok542
+panic541:
+  call void @finch_panic(ptr @.str.305, i64 55, ptr @.str.306)
   unreachable
-ok485:
+ok542:
   %t20 = getelementptr inbounds %S.lexer.Lexer, ptr %t18, i32 0, i32 3
   %t21 = load i64, ptr %t20
   %t22 = add i64 %t21, 1
   store i64 %t22, ptr %t20
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic486, label %ok487
-panic486:
-  call void @finch_panic(ptr @.str.302, i64 56, ptr @.str.303)
+  br i1 %t24, label %panic543, label %ok544
+panic543:
+  call void @finch_panic(ptr @.str.307, i64 56, ptr @.str.308)
   unreachable
-ok487:
+ok544:
   %t25 = getelementptr inbounds %S.lexer.Lexer, ptr %t23, i32 0, i32 4
   store i64 1, ptr %t25
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic488, label %ok489
-panic488:
-  call void @finch_panic(ptr @.str.304, i64 57, ptr @.str.305)
+  br i1 %t27, label %panic545, label %ok546
+panic545:
+  call void @finch_panic(ptr @.str.309, i64 57, ptr @.str.310)
   unreachable
-ok489:
+ok546:
   %t28 = getelementptr inbounds %S.lexer.Lexer, ptr %t26, i32 0, i32 5
   store i1 true, ptr %t28
-  br label %endif483
-else482:
+  br label %endif540
+else539:
   %t29 = load i8, ptr %a15
   %t30 = zext i8 %t29 to i64
   %t31 = and i64 %t30, 192
   %t32 = icmp ne i64 %t31, 128
-  br i1 %t32, label %then490, label %endif492
-then490:
+  br i1 %t32, label %then547, label %endif549
+then547:
   %t33 = load ptr, ptr %a1
   %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic493, label %ok494
-panic493:
-  call void @finch_panic(ptr @.str.306, i64 59, ptr @.str.307)
+  br i1 %t34, label %panic550, label %ok551
+panic550:
+  call void @finch_panic(ptr @.str.311, i64 59, ptr @.str.312)
   unreachable
-ok494:
+ok551:
   %t35 = getelementptr inbounds %S.lexer.Lexer, ptr %t33, i32 0, i32 4
   %t36 = load i64, ptr %t35
   %t37 = add i64 %t36, 1
   store i64 %t37, ptr %t35
-  br label %endif492
-endif492:
-  br label %endif483
-endif483:
+  br label %endif549
+endif549:
+  br label %endif540
+endif540:
   %t38 = load ptr, ptr %a1
   %t39 = icmp eq ptr %t38, null
-  br i1 %t39, label %panic495, label %ok496
-panic495:
-  call void @finch_panic(ptr @.str.308, i64 61, ptr @.str.309)
+  br i1 %t39, label %panic552, label %ok553
+panic552:
+  call void @finch_panic(ptr @.str.313, i64 61, ptr @.str.314)
   unreachable
-ok496:
+ok553:
   %t40 = getelementptr inbounds %S.lexer.Lexer, ptr %t38, i32 0, i32 2
   %t41 = load i64, ptr %t40
   %t42 = add i64 %t41, 1
@@ -11137,100 +12566,98 @@ entry:
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = mul i64 16, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.310, i64 2, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.315, i64 2, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.311, i64 2, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.316, i64 2, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.312, i64 2, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.317, i64 2, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.313, i64 2, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.318, i64 2, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.314, i64 2, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.319, i64 2, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.315, i64 2, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.320, i64 2, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.316, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.321, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.317, i64 2, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.322, i64 2, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.318, i64 2, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.323, i64 2, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.319, i64 2, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.324, i64 2, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.320, i64 2, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.325, i64 2, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.321, i64 2, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.326, i64 2, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.322, i64 2, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.327, i64 2, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.323, i64 2, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.328, i64 2, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.324, i64 2, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.329, i64 2, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.325, i64 2, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.330, i64 2, i64 0 }, ptr %t19
   %t20 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t21 = insertvalue { ptr, i64, i64 } %t20, i64 16, 1
   %t22 = insertvalue { ptr, i64, i64 } %t21, i64 16, 2
   store { ptr, i64, i64 } %t22, ptr %a23
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic497, label %ok498
-panic497:
-  call void @finch_panic(ptr @.str.326, i64 67, ptr @.str.327)
+  br i1 %t25, label %panic554, label %ok555
+panic554:
+  call void @finch_panic(ptr @.str.331, i64 67, ptr @.str.332)
   unreachable
-ok498:
+ok555:
   %t26 = getelementptr inbounds %S.lexer.Lexer, ptr %t24, i32 0, i32 2
   %t27 = load i64, ptr %t26
   %t28 = add i64 %t27, 1
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic499, label %ok500
-panic499:
-  call void @finch_panic(ptr @.str.328, i64 67, ptr @.str.329)
+  br i1 %t30, label %panic556, label %ok557
+panic556:
+  call void @finch_panic(ptr @.str.333, i64 67, ptr @.str.334)
   unreachable
-ok500:
+ok557:
   %t31 = getelementptr inbounds %S.lexer.Lexer, ptr %t29, i32 0, i32 0
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
   %t33 = load i64, ptr %t32
   %t34 = icmp slt i64 %t28, %t33
-  br i1 %t34, label %then501, label %endif503
-then501:
+  br i1 %t34, label %then558, label %endif560
+then558:
   %t35 = load ptr, ptr %a1
   %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic504, label %ok505
-panic504:
-  call void @finch_panic(ptr @.str.330, i64 68, ptr @.str.331)
+  br i1 %t36, label %panic561, label %ok562
+panic561:
+  call void @finch_panic(ptr @.str.335, i64 68, ptr @.str.336)
   unreachable
-ok505:
+ok562:
   %t37 = getelementptr inbounds %S.lexer.Lexer, ptr %t35, i32 0, i32 0
   %t38 = load { ptr, i64, i64 }, ptr %t37
   store { ptr, i64, i64 } %t38, ptr %a39
   %t41 = load ptr, ptr %a1
   %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic506, label %ok507
-panic506:
-  call void @finch_panic(ptr @.str.333, i64 68, ptr @.str.334)
+  br i1 %t42, label %panic563, label %ok564
+panic563:
+  call void @finch_panic(ptr @.str.338, i64 68, ptr @.str.339)
   unreachable
-ok507:
+ok564:
   %t43 = getelementptr inbounds %S.lexer.Lexer, ptr %t41, i32 0, i32 2
   %t44 = load i64, ptr %t43
   %t45 = load ptr, ptr %a1
   %t46 = icmp eq ptr %t45, null
-  br i1 %t46, label %panic508, label %ok509
-panic508:
-  call void @finch_panic(ptr @.str.335, i64 68, ptr @.str.336)
+  br i1 %t46, label %panic565, label %ok566
+panic565:
+  call void @finch_panic(ptr @.str.340, i64 68, ptr @.str.341)
   unreachable
-ok509:
+ok566:
   %t47 = getelementptr inbounds %S.lexer.Lexer, ptr %t45, i32 0, i32 2
   %t48 = load i64, ptr %t47
   %t49 = add i64 %t48, 2
-  call void @finch_str_sub(ptr %a40, ptr %a39, i64 %t44, i64 %t49, ptr @.str.332, i64 68)
+  call void @finch_str_sub(ptr %a40, ptr %a39, i64 %t44, i64 %t49, ptr @.str.337, i64 68)
   %t50 = load { ptr, i64, i64 }, ptr %a40
   store { ptr, i64, i64 } %t50, ptr %a51
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a23, i32 0, i32 1
@@ -11239,67 +12666,69 @@ ok509:
   %t55 = load i64, ptr %t52
   %t56 = load ptr, ptr %a23
   store i64 0, ptr %a57
-  br label %find.cond510
-find.cond510:
+  br label %find.cond567
+find.cond567:
   %t58 = load i64, ptr %a57
   %t59 = icmp slt i64 %t58, %t55
-  br i1 %t59, label %find.body511, label %find.end514
-find.body511:
+  br i1 %t59, label %find.body568, label %find.end571
+find.body568:
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i64 %t58
   %t61 = load { ptr, i64, i64 }, ptr %t60
   store { ptr, i64, i64 } %t61, ptr %a62
   store { ptr, i64, i64 } %t53, ptr %a63
   %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
   %t65 = icmp ne i32 %t64, 0
-  br i1 %t65, label %find.hit512, label %find.next513
-find.hit512:
+  br i1 %t65, label %find.hit569, label %find.next570
+find.hit569:
   store i64 %t58, ptr %a54
-  br label %find.end514
-find.next513:
+  br label %find.end571
+find.next570:
   %t66 = add i64 %t58, 1
   store i64 %t66, ptr %a57
-  br label %find.cond510
-find.end514:
+  br label %find.cond567
+find.end571:
   %t67 = load i64, ptr %a54
   %t68 = icmp sge i64 %t67, 0
-  br i1 %t68, label %then515, label %endif517
-then515:
+  br i1 %t68, label %then572, label %endif574
+then572:
   %t69 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.drop.arr_str(ptr %a23)
   ret { ptr, i64, i64 } %t69
-endif517:
-  br label %endif503
-endif503:
-  store { ptr, i64, i64 } { ptr @.str.337, i64 22, i64 0 }, ptr %a70
+endif574:
+  call void @finch_str_drop(ptr %a51)
+  br label %endif560
+endif560:
+  store { ptr, i64, i64 } { ptr @.str.342, i64 22, i64 0 }, ptr %a70
   %t71 = load ptr, ptr %a1
   %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic518, label %ok519
-panic518:
-  call void @finch_panic(ptr @.str.338, i64 74, ptr @.str.339)
+  br i1 %t72, label %panic575, label %ok576
+panic575:
+  call void @finch_panic(ptr @.str.343, i64 74, ptr @.str.344)
   unreachable
-ok519:
+ok576:
   %t73 = getelementptr inbounds %S.lexer.Lexer, ptr %t71, i32 0, i32 0
   %t74 = load { ptr, i64, i64 }, ptr %t73
   store { ptr, i64, i64 } %t74, ptr %a75
   %t77 = load ptr, ptr %a1
   %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic520, label %ok521
-panic520:
-  call void @finch_panic(ptr @.str.341, i64 74, ptr @.str.342)
+  br i1 %t78, label %panic577, label %ok578
+panic577:
+  call void @finch_panic(ptr @.str.346, i64 74, ptr @.str.347)
   unreachable
-ok521:
+ok578:
   %t79 = getelementptr inbounds %S.lexer.Lexer, ptr %t77, i32 0, i32 2
   %t80 = load i64, ptr %t79
   %t81 = load ptr, ptr %a1
   %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic522, label %ok523
-panic522:
-  call void @finch_panic(ptr @.str.343, i64 74, ptr @.str.344)
+  br i1 %t82, label %panic579, label %ok580
+panic579:
+  call void @finch_panic(ptr @.str.348, i64 74, ptr @.str.349)
   unreachable
-ok523:
+ok580:
   %t83 = getelementptr inbounds %S.lexer.Lexer, ptr %t81, i32 0, i32 2
   %t84 = load i64, ptr %t83
   %t85 = add i64 %t84, 1
-  call void @finch_str_sub(ptr %a76, ptr %a75, i64 %t80, i64 %t85, ptr @.str.340, i64 74)
+  call void @finch_str_sub(ptr %a76, ptr %a75, i64 %t80, i64 %t85, ptr @.str.345, i64 74)
   %t86 = load { ptr, i64, i64 }, ptr %a76
   store { ptr, i64, i64 } %t86, ptr %a87
   %t88 = load { ptr, i64, i64 }, ptr %a70
@@ -11308,15 +12737,17 @@ ok523:
   store { ptr, i64, i64 } %t91, ptr %a92
   %t93 = call i64 @finch_str_find(ptr %a89, ptr %a92)
   %t94 = icmp sge i64 %t93, 0
-  br i1 %t94, label %then524, label %endif526
-then524:
+  br i1 %t94, label %then581, label %endif583
+then581:
   %t95 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t95, ptr %a96
-  call void @finch_str_copy(ptr %a97, ptr %a96)
-  %t98 = load { ptr, i64, i64 }, ptr %a97
-  ret { ptr, i64, i64 } %t98
-endif526:
-  ret { ptr, i64, i64 } { ptr @.str.346, i64 0, i64 0 }
+  call void @finch_str_drop(ptr %a70)
+  call void @finch.drop.arr_str(ptr %a23)
+  ret { ptr, i64, i64 } %t95
+endif583:
+  call void @finch_str_drop(ptr %a87)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch.drop.arr_str(ptr %a23)
+  ret { ptr, i64, i64 } { ptr @.str.351, i64 0, i64 0 }
 }
 
 define internal i8 @finch.lexer.escape(ptr %p0, i8 %p1) {
@@ -11327,92 +12758,98 @@ entry:
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i8 %p1, ptr %a2
   %t3 = load i8, ptr %a2
   %t4 = icmp eq i8 %t3, 110
-  br i1 %t4, label %then527, label %endif529
-then527:
+  br i1 %t4, label %then584, label %endif586
+then584:
   ret i8 10
-endif529:
+endif586:
   %t5 = load i8, ptr %a2
   %t6 = icmp eq i8 %t5, 116
-  br i1 %t6, label %then530, label %endif532
-then530:
+  br i1 %t6, label %then587, label %endif589
+then587:
   ret i8 9
-endif532:
+endif589:
   %t7 = load i8, ptr %a2
   %t8 = icmp eq i8 %t7, 114
-  br i1 %t8, label %then533, label %endif535
-then533:
+  br i1 %t8, label %then590, label %endif592
+then590:
   ret i8 13
-endif535:
+endif592:
   %t9 = load i8, ptr %a2
   %t10 = icmp eq i8 %t9, 48
-  br i1 %t10, label %then536, label %endif538
-then536:
+  br i1 %t10, label %then593, label %endif595
+then593:
   %t11 = trunc i64 0 to i8
   ret i8 %t11
-endif538:
+endif595:
   %t12 = load i8, ptr %a2
   %t13 = icmp eq i8 %t12, 92
-  br label %logic.from539
-logic.from539:
-  br i1 %t13, label %logic.end541, label %logic.rhs540
-logic.rhs540:
+  br label %logic.from596
+logic.from596:
+  br i1 %t13, label %logic.end598, label %logic.rhs597
+logic.rhs597:
   %t14 = load i8, ptr %a2
   %t15 = icmp eq i8 %t14, 34
-  br label %logic.rend542
-logic.rend542:
-  br label %logic.end541
-logic.end541:
-  %t16 = phi i1 [ true, %logic.from539 ], [ %t15, %logic.rend542 ]
-  br label %logic.from543
-logic.from543:
-  br i1 %t16, label %logic.end545, label %logic.rhs544
-logic.rhs544:
+  br label %logic.rend599
+logic.rend599:
+  br label %logic.end598
+logic.end598:
+  %t16 = phi i1 [ true, %logic.from596 ], [ %t15, %logic.rend599 ]
+  br label %logic.from600
+logic.from600:
+  br i1 %t16, label %logic.end602, label %logic.rhs601
+logic.rhs601:
   %t17 = load i8, ptr %a2
   %t18 = icmp eq i8 %t17, 39
-  br label %logic.rend546
-logic.rend546:
-  br label %logic.end545
-logic.end545:
-  %t19 = phi i1 [ true, %logic.from543 ], [ %t18, %logic.rend546 ]
-  br i1 %t19, label %then547, label %endif549
-then547:
+  br label %logic.rend603
+logic.rend603:
+  br label %logic.end602
+logic.end602:
+  %t19 = phi i1 [ true, %logic.from600 ], [ %t18, %logic.rend603 ]
+  br i1 %t19, label %then604, label %endif606
+then604:
   %t20 = load i8, ptr %a2
   ret i8 %t20
-endif549:
+endif606:
   %t21 = load ptr, ptr %a1
   %t22 = load ptr, ptr %a1
   %t23 = icmp eq ptr %t22, null
-  br i1 %t23, label %panic550, label %ok551
-panic550:
-  call void @finch_panic(ptr @.str.347, i64 97, ptr @.str.348)
+  br i1 %t23, label %panic607, label %ok608
+panic607:
+  call void @finch_panic(ptr @.str.352, i64 97, ptr @.str.353)
   unreachable
-ok551:
+ok608:
   %t24 = getelementptr inbounds %S.lexer.Lexer, ptr %t22, i32 0, i32 3
   %t25 = load i64, ptr %t24
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic552, label %ok553
-panic552:
-  call void @finch_panic(ptr @.str.349, i64 97, ptr @.str.350)
+  br i1 %t27, label %panic609, label %ok610
+panic609:
+  call void @finch_panic(ptr @.str.354, i64 97, ptr @.str.355)
   unreachable
-ok553:
+ok610:
   %t28 = getelementptr inbounds %S.lexer.Lexer, ptr %t26, i32 0, i32 4
   %t29 = load i64, ptr %t28
   %t30 = sub i64 %t29, 1
   %t31 = load i8, ptr %a2
   call void @finch_str_from_char(ptr %a32, i8 signext %t31)
   %t33 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.351, i64 16, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.356, i64 16, i64 0 }, ptr %a35
   store { ptr, i64, i64 } %t33, ptr %a36
   call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  call void @finch.lexer.fail(ptr %t21, i64 %t25, i64 %t30, { ptr, i64, i64 } %t37)
-  %t38 = load i8, ptr %a2
-  ret i8 %t38
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a34
+  call void @finch.lexer.fail(ptr %t21, i64 %t25, i64 %t30, { ptr, i64, i64 } %t38)
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load i8, ptr %a2
+  ret i8 %t40
 }
 
 define internal void @finch.copy.S_lexer_Token(ptr %dst, ptr %src) {
@@ -11429,29 +12866,13 @@ entry:
   ret void
 }
 
-define internal void @finch.copy.arr_S_lexer_Token(ptr %dst, ptr %src) {
+define internal void @finch.drop.S_lexer_Lexer(ptr %a) {
 entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond860
-n.cond860:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body861, label %n.end862
-n.body861:
-  %t8 = getelementptr inbounds %S.lexer.Token, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lexer.Token, ptr %t2, i64 %t6
-  call void @finch.copy.S_lexer_Token(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond860
-n.end862:
+
+  %t1 = getelementptr inbounds %S.lexer.Lexer, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lexer.Lexer, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
   ret void
 }
 
@@ -11473,44 +12894,59 @@ entry:
   %a177 = alloca i64, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
-  %a403 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
   %a405 = alloca { ptr, i64, i64 }, align 16
   %a406 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca i8, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
   %a421 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca i8, align 16
-  %a454 = alloca i8, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca i8, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca i8, align 16
+  %a471 = alloca i8, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca i64, align 16
-  %a504 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a534 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca i64, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
   %a539 = alloca { ptr, i64, i64 }, align 16
-  %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca i64, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
   %a553 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
   %a558 = alloca { ptr, i64, i64 }, align 16
   %a559 = alloca { ptr, i64, i64 }, align 16
-  %a563 = alloca %S.lexer.Token, align 16
-  %a564 = alloca %S.lexer.Token, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca i64, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca %S.lexer.Token, align 16
+  %a593 = alloca %S.lexer.Token, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
@@ -11530,217 +12966,217 @@ entry:
   store %S.lexer.Lexer %t16, ptr %a17
   store ptr %a17, ptr %a18
   store { ptr, i64, i64 } zeroinitializer, ptr %a19
-  br label %while.cond554
-while.cond554:
+  br label %while.cond611
+while.cond611:
   %t20 = load ptr, ptr %a18
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic557, label %ok558
-panic557:
-  call void @finch_panic(ptr @.str.352, i64 105, ptr @.str.353)
+  br i1 %t21, label %panic614, label %ok615
+panic614:
+  call void @finch_panic(ptr @.str.357, i64 105, ptr @.str.358)
   unreachable
-ok558:
+ok615:
   %t22 = getelementptr inbounds %S.lexer.Lexer, ptr %t20, i32 0, i32 2
   %t23 = load i64, ptr %t22
   %t24 = load ptr, ptr %a18
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic559, label %ok560
-panic559:
-  call void @finch_panic(ptr @.str.354, i64 105, ptr @.str.355)
+  br i1 %t25, label %panic616, label %ok617
+panic616:
+  call void @finch_panic(ptr @.str.359, i64 105, ptr @.str.360)
   unreachable
-ok560:
+ok617:
   %t26 = getelementptr inbounds %S.lexer.Lexer, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i32 0, i32 1
   %t28 = load i64, ptr %t27
   %t29 = icmp slt i64 %t23, %t28
-  br i1 %t29, label %while.body555, label %while.end556
-while.body555:
+  br i1 %t29, label %while.body612, label %while.end613
+while.body612:
   %t30 = load ptr, ptr %a18
   %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic561, label %ok562
-panic561:
-  call void @finch_panic(ptr @.str.356, i64 106, ptr @.str.357)
+  br i1 %t31, label %panic618, label %ok619
+panic618:
+  call void @finch_panic(ptr @.str.361, i64 106, ptr @.str.362)
   unreachable
-ok562:
+ok619:
   %t32 = getelementptr inbounds %S.lexer.Lexer, ptr %t30, i32 0, i32 0
   %t33 = load ptr, ptr %a18
   %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic563, label %ok564
-panic563:
-  call void @finch_panic(ptr @.str.358, i64 106, ptr @.str.359)
+  br i1 %t34, label %panic620, label %ok621
+panic620:
+  call void @finch_panic(ptr @.str.363, i64 106, ptr @.str.364)
   unreachable
-ok564:
+ok621:
   %t35 = getelementptr inbounds %S.lexer.Lexer, ptr %t33, i32 0, i32 2
   %t36 = load i64, ptr %t35
   %t37 = load { ptr, i64, i64 }, ptr %t32
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range565, label %inrange566
-range565:
-  call void @finch_panic_index(ptr @.str.360, i64 106, i64 %t36, i64 %t38)
+  br i1 %t39, label %range622, label %inrange623
+range622:
+  call void @finch_panic_index(ptr @.str.365, i64 106, i64 %t36, i64 %t38)
   unreachable
-inrange566:
+inrange623:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds i8, ptr %t40, i64 %t36
   %t42 = load i8, ptr %t41
   store i8 %t42, ptr %a43
   %t44 = load i8, ptr %a43
   %t45 = icmp eq i8 %t44, 32
-  br label %logic.from567
-logic.from567:
-  br i1 %t45, label %logic.end569, label %logic.rhs568
-logic.rhs568:
+  br label %logic.from624
+logic.from624:
+  br i1 %t45, label %logic.end626, label %logic.rhs625
+logic.rhs625:
   %t46 = load i8, ptr %a43
   %t47 = icmp eq i8 %t46, 9
-  br label %logic.rend570
-logic.rend570:
-  br label %logic.end569
-logic.end569:
-  %t48 = phi i1 [ true, %logic.from567 ], [ %t47, %logic.rend570 ]
-  br label %logic.from571
-logic.from571:
-  br i1 %t48, label %logic.end573, label %logic.rhs572
-logic.rhs572:
+  br label %logic.rend627
+logic.rend627:
+  br label %logic.end626
+logic.end626:
+  %t48 = phi i1 [ true, %logic.from624 ], [ %t47, %logic.rend627 ]
+  br label %logic.from628
+logic.from628:
+  br i1 %t48, label %logic.end630, label %logic.rhs629
+logic.rhs629:
   %t49 = load i8, ptr %a43
   %t50 = icmp eq i8 %t49, 10
-  br label %logic.rend574
-logic.rend574:
-  br label %logic.end573
-logic.end573:
-  %t51 = phi i1 [ true, %logic.from571 ], [ %t50, %logic.rend574 ]
-  br label %logic.from575
-logic.from575:
-  br i1 %t51, label %logic.end577, label %logic.rhs576
-logic.rhs576:
+  br label %logic.rend631
+logic.rend631:
+  br label %logic.end630
+logic.end630:
+  %t51 = phi i1 [ true, %logic.from628 ], [ %t50, %logic.rend631 ]
+  br label %logic.from632
+logic.from632:
+  br i1 %t51, label %logic.end634, label %logic.rhs633
+logic.rhs633:
   %t52 = load i8, ptr %a43
   %t53 = icmp eq i8 %t52, 13
-  br label %logic.rend578
-logic.rend578:
-  br label %logic.end577
-logic.end577:
-  %t54 = phi i1 [ true, %logic.from575 ], [ %t53, %logic.rend578 ]
-  br i1 %t54, label %then579, label %endif581
-then579:
+  br label %logic.rend635
+logic.rend635:
+  br label %logic.end634
+logic.end634:
+  %t54 = phi i1 [ true, %logic.from632 ], [ %t53, %logic.rend635 ]
+  br i1 %t54, label %then636, label %endif638
+then636:
   %t55 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t55)
-  br label %while.cond554
-endif581:
+  br label %while.cond611
+endif638:
   %t56 = load i8, ptr %a43
   %t57 = icmp eq i8 %t56, 47
-  br label %logic.from582
-logic.from582:
-  br i1 %t57, label %logic.rhs583, label %logic.end584
-logic.rhs583:
+  br label %logic.from639
+logic.from639:
+  br i1 %t57, label %logic.rhs640, label %logic.end641
+logic.rhs640:
   %t58 = load ptr, ptr %a18
   %t59 = call i8 @finch.lexer.peek(ptr %t58, i64 1)
   %t60 = icmp eq i8 %t59, 47
-  br label %logic.rend585
-logic.rend585:
-  br label %logic.end584
-logic.end584:
-  %t61 = phi i1 [ false, %logic.from582 ], [ %t60, %logic.rend585 ]
-  br i1 %t61, label %then586, label %endif588
-then586:
-  br label %while.cond589
-while.cond589:
+  br label %logic.rend642
+logic.rend642:
+  br label %logic.end641
+logic.end641:
+  %t61 = phi i1 [ false, %logic.from639 ], [ %t60, %logic.rend642 ]
+  br i1 %t61, label %then643, label %endif645
+then643:
+  br label %while.cond646
+while.cond646:
   %t62 = load ptr, ptr %a18
   %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic592, label %ok593
-panic592:
-  call void @finch_panic(ptr @.str.361, i64 112, ptr @.str.362)
+  br i1 %t63, label %panic649, label %ok650
+panic649:
+  call void @finch_panic(ptr @.str.366, i64 112, ptr @.str.367)
   unreachable
-ok593:
+ok650:
   %t64 = getelementptr inbounds %S.lexer.Lexer, ptr %t62, i32 0, i32 2
   %t65 = load i64, ptr %t64
   %t66 = load ptr, ptr %a18
   %t67 = icmp eq ptr %t66, null
-  br i1 %t67, label %panic594, label %ok595
-panic594:
-  call void @finch_panic(ptr @.str.363, i64 112, ptr @.str.364)
+  br i1 %t67, label %panic651, label %ok652
+panic651:
+  call void @finch_panic(ptr @.str.368, i64 112, ptr @.str.369)
   unreachable
-ok595:
+ok652:
   %t68 = getelementptr inbounds %S.lexer.Lexer, ptr %t66, i32 0, i32 0
   %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i32 0, i32 1
   %t70 = load i64, ptr %t69
   %t71 = icmp slt i64 %t65, %t70
-  br label %logic.from596
-logic.from596:
-  br i1 %t71, label %logic.rhs597, label %logic.end598
-logic.rhs597:
+  br label %logic.from653
+logic.from653:
+  br i1 %t71, label %logic.rhs654, label %logic.end655
+logic.rhs654:
   %t72 = load ptr, ptr %a18
   %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic599, label %ok600
-panic599:
-  call void @finch_panic(ptr @.str.365, i64 112, ptr @.str.366)
+  br i1 %t73, label %panic656, label %ok657
+panic656:
+  call void @finch_panic(ptr @.str.370, i64 112, ptr @.str.371)
   unreachable
-ok600:
+ok657:
   %t74 = getelementptr inbounds %S.lexer.Lexer, ptr %t72, i32 0, i32 0
   %t75 = load ptr, ptr %a18
   %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic601, label %ok602
-panic601:
-  call void @finch_panic(ptr @.str.367, i64 112, ptr @.str.368)
+  br i1 %t76, label %panic658, label %ok659
+panic658:
+  call void @finch_panic(ptr @.str.372, i64 112, ptr @.str.373)
   unreachable
-ok602:
+ok659:
   %t77 = getelementptr inbounds %S.lexer.Lexer, ptr %t75, i32 0, i32 2
   %t78 = load i64, ptr %t77
   %t79 = load { ptr, i64, i64 }, ptr %t74
   %t80 = extractvalue { ptr, i64, i64 } %t79, 1
   %t81 = icmp uge i64 %t78, %t80
-  br i1 %t81, label %range603, label %inrange604
-range603:
-  call void @finch_panic_index(ptr @.str.369, i64 112, i64 %t78, i64 %t80)
+  br i1 %t81, label %range660, label %inrange661
+range660:
+  call void @finch_panic_index(ptr @.str.374, i64 112, i64 %t78, i64 %t80)
   unreachable
-inrange604:
+inrange661:
   %t82 = extractvalue { ptr, i64, i64 } %t79, 0
   %t83 = getelementptr inbounds i8, ptr %t82, i64 %t78
   %t84 = load i8, ptr %t83
   %t85 = icmp ne i8 %t84, 10
-  br label %logic.rend605
-logic.rend605:
-  br label %logic.end598
-logic.end598:
-  %t86 = phi i1 [ false, %logic.from596 ], [ %t85, %logic.rend605 ]
-  br i1 %t86, label %while.body590, label %while.end591
-while.body590:
+  br label %logic.rend662
+logic.rend662:
+  br label %logic.end655
+logic.end655:
+  %t86 = phi i1 [ false, %logic.from653 ], [ %t85, %logic.rend662 ]
+  br i1 %t86, label %while.body647, label %while.end648
+while.body647:
   %t87 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t87)
-  br label %while.cond589
-while.end591:
-  br label %while.cond554
-endif588:
+  br label %while.cond646
+while.end648:
+  br label %while.cond611
+endif645:
   %t88 = load i8, ptr %a43
   %t89 = icmp eq i8 %t88, 47
-  br label %logic.from606
-logic.from606:
-  br i1 %t89, label %logic.rhs607, label %logic.end608
-logic.rhs607:
+  br label %logic.from663
+logic.from663:
+  br i1 %t89, label %logic.rhs664, label %logic.end665
+logic.rhs664:
   %t90 = load ptr, ptr %a18
   %t91 = call i8 @finch.lexer.peek(ptr %t90, i64 1)
   %t92 = icmp eq i8 %t91, 42
-  br label %logic.rend609
-logic.rend609:
-  br label %logic.end608
-logic.end608:
-  %t93 = phi i1 [ false, %logic.from606 ], [ %t92, %logic.rend609 ]
-  br i1 %t93, label %then610, label %endif612
-then610:
+  br label %logic.rend666
+logic.rend666:
+  br label %logic.end665
+logic.end665:
+  %t93 = phi i1 [ false, %logic.from663 ], [ %t92, %logic.rend666 ]
+  br i1 %t93, label %then667, label %endif669
+then667:
   %t94 = load ptr, ptr %a18
   %t95 = icmp eq ptr %t94, null
-  br i1 %t95, label %panic613, label %ok614
-panic613:
-  call void @finch_panic(ptr @.str.370, i64 118, ptr @.str.371)
+  br i1 %t95, label %panic670, label %ok671
+panic670:
+  call void @finch_panic(ptr @.str.375, i64 118, ptr @.str.376)
   unreachable
-ok614:
+ok671:
   %t96 = getelementptr inbounds %S.lexer.Lexer, ptr %t94, i32 0, i32 3
   %t97 = load i64, ptr %t96
   store i64 %t97, ptr %a98
   %t99 = load ptr, ptr %a18
   %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic615, label %ok616
-panic615:
-  call void @finch_panic(ptr @.str.372, i64 119, ptr @.str.373)
+  br i1 %t100, label %panic672, label %ok673
+panic672:
+  call void @finch_panic(ptr @.str.377, i64 119, ptr @.str.378)
   unreachable
-ok616:
+ok673:
   %t101 = getelementptr inbounds %S.lexer.Lexer, ptr %t99, i32 0, i32 4
   %t102 = load i64, ptr %t101
   store i64 %t102, ptr %a103
@@ -11748,1061 +13184,1109 @@ ok616:
   call void @finch.lexer.advance(ptr %t104)
   %t105 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t105)
-  br label %while.cond617
-while.cond617:
+  br label %while.cond674
+while.cond674:
   %t106 = load ptr, ptr %a18
   %t107 = icmp eq ptr %t106, null
-  br i1 %t107, label %panic620, label %ok621
-panic620:
-  call void @finch_panic(ptr @.str.374, i64 122, ptr @.str.375)
+  br i1 %t107, label %panic677, label %ok678
+panic677:
+  call void @finch_panic(ptr @.str.379, i64 122, ptr @.str.380)
   unreachable
-ok621:
+ok678:
   %t108 = getelementptr inbounds %S.lexer.Lexer, ptr %t106, i32 0, i32 2
   %t109 = load i64, ptr %t108
   %t110 = load ptr, ptr %a18
   %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic622, label %ok623
-panic622:
-  call void @finch_panic(ptr @.str.376, i64 122, ptr @.str.377)
+  br i1 %t111, label %panic679, label %ok680
+panic679:
+  call void @finch_panic(ptr @.str.381, i64 122, ptr @.str.382)
   unreachable
-ok623:
+ok680:
   %t112 = getelementptr inbounds %S.lexer.Lexer, ptr %t110, i32 0, i32 0
   %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
   %t114 = load i64, ptr %t113
   %t115 = icmp slt i64 %t109, %t114
-  br label %logic.from624
-logic.from624:
-  br i1 %t115, label %logic.rhs625, label %logic.end626
-logic.rhs625:
+  br label %logic.from681
+logic.from681:
+  br i1 %t115, label %logic.rhs682, label %logic.end683
+logic.rhs682:
   %t116 = load ptr, ptr %a18
   %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic627, label %ok628
-panic627:
-  call void @finch_panic(ptr @.str.378, i64 122, ptr @.str.379)
+  br i1 %t117, label %panic684, label %ok685
+panic684:
+  call void @finch_panic(ptr @.str.383, i64 122, ptr @.str.384)
   unreachable
-ok628:
+ok685:
   %t118 = getelementptr inbounds %S.lexer.Lexer, ptr %t116, i32 0, i32 0
   %t119 = load ptr, ptr %a18
   %t120 = icmp eq ptr %t119, null
-  br i1 %t120, label %panic629, label %ok630
-panic629:
-  call void @finch_panic(ptr @.str.380, i64 122, ptr @.str.381)
+  br i1 %t120, label %panic686, label %ok687
+panic686:
+  call void @finch_panic(ptr @.str.385, i64 122, ptr @.str.386)
   unreachable
-ok630:
+ok687:
   %t121 = getelementptr inbounds %S.lexer.Lexer, ptr %t119, i32 0, i32 2
   %t122 = load i64, ptr %t121
   %t123 = load { ptr, i64, i64 }, ptr %t118
   %t124 = extractvalue { ptr, i64, i64 } %t123, 1
   %t125 = icmp uge i64 %t122, %t124
-  br i1 %t125, label %range631, label %inrange632
-range631:
-  call void @finch_panic_index(ptr @.str.382, i64 122, i64 %t122, i64 %t124)
+  br i1 %t125, label %range688, label %inrange689
+range688:
+  call void @finch_panic_index(ptr @.str.387, i64 122, i64 %t122, i64 %t124)
   unreachable
-inrange632:
+inrange689:
   %t126 = extractvalue { ptr, i64, i64 } %t123, 0
   %t127 = getelementptr inbounds i8, ptr %t126, i64 %t122
   %t128 = load i8, ptr %t127
   %t129 = icmp eq i8 %t128, 42
-  br label %logic.from633
-logic.from633:
-  br i1 %t129, label %logic.rhs634, label %logic.end635
-logic.rhs634:
+  br label %logic.from690
+logic.from690:
+  br i1 %t129, label %logic.rhs691, label %logic.end692
+logic.rhs691:
   %t130 = load ptr, ptr %a18
   %t131 = call i8 @finch.lexer.peek(ptr %t130, i64 1)
   %t132 = icmp eq i8 %t131, 47
-  br label %logic.rend636
-logic.rend636:
-  br label %logic.end635
-logic.end635:
-  %t133 = phi i1 [ false, %logic.from633 ], [ %t132, %logic.rend636 ]
+  br label %logic.rend693
+logic.rend693:
+  br label %logic.end692
+logic.end692:
+  %t133 = phi i1 [ false, %logic.from690 ], [ %t132, %logic.rend693 ]
   %t134 = xor i1 %t133, true
-  br label %logic.rend637
-logic.rend637:
-  br label %logic.end626
-logic.end626:
-  %t135 = phi i1 [ false, %logic.from624 ], [ %t134, %logic.rend637 ]
-  br i1 %t135, label %while.body618, label %while.end619
-while.body618:
+  br label %logic.rend694
+logic.rend694:
+  br label %logic.end683
+logic.end683:
+  %t135 = phi i1 [ false, %logic.from681 ], [ %t134, %logic.rend694 ]
+  br i1 %t135, label %while.body675, label %while.end676
+while.body675:
   %t136 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t136)
-  br label %while.cond617
-while.end619:
+  br label %while.cond674
+while.end676:
   %t137 = load ptr, ptr %a18
   %t138 = icmp eq ptr %t137, null
-  br i1 %t138, label %panic638, label %ok639
-panic638:
-  call void @finch_panic(ptr @.str.383, i64 125, ptr @.str.384)
+  br i1 %t138, label %panic695, label %ok696
+panic695:
+  call void @finch_panic(ptr @.str.388, i64 125, ptr @.str.389)
   unreachable
-ok639:
+ok696:
   %t139 = getelementptr inbounds %S.lexer.Lexer, ptr %t137, i32 0, i32 2
   %t140 = load i64, ptr %t139
   %t141 = load ptr, ptr %a18
   %t142 = icmp eq ptr %t141, null
-  br i1 %t142, label %panic640, label %ok641
-panic640:
-  call void @finch_panic(ptr @.str.385, i64 125, ptr @.str.386)
+  br i1 %t142, label %panic697, label %ok698
+panic697:
+  call void @finch_panic(ptr @.str.390, i64 125, ptr @.str.391)
   unreachable
-ok641:
+ok698:
   %t143 = getelementptr inbounds %S.lexer.Lexer, ptr %t141, i32 0, i32 0
   %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t143, i32 0, i32 1
   %t145 = load i64, ptr %t144
   %t146 = icmp sge i64 %t140, %t145
-  br i1 %t146, label %then642, label %endif644
-then642:
+  br i1 %t146, label %then699, label %endif701
+then699:
   %t147 = load ptr, ptr %a18
   %t148 = load i64, ptr %a98
   %t149 = load i64, ptr %a103
-  call void @finch.lexer.fail(ptr %t147, i64 %t148, i64 %t149, { ptr, i64, i64 } { ptr @.str.387, i64 36, i64 0 })
-  br label %endif644
-endif644:
+  call void @finch.lexer.fail(ptr %t147, i64 %t148, i64 %t149, { ptr, i64, i64 } { ptr @.str.392, i64 36, i64 0 })
+  br label %endif701
+endif701:
   %t150 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t150)
   %t151 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t151)
-  br label %while.cond554
-endif612:
-  %t152 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.388, i64 0, i64 0 }, 0
-  %t153 = insertvalue %S.lexer.Token %t152, { ptr, i64, i64 } { ptr @.str.389, i64 0, i64 0 }, 1
+  br label %while.cond611
+endif669:
+  %t152 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.393, i64 0, i64 0 }, 0
+  %t153 = insertvalue %S.lexer.Token %t152, { ptr, i64, i64 } { ptr @.str.394, i64 0, i64 0 }, 1
   %t154 = load ptr, ptr %a18
   %t155 = icmp eq ptr %t154, null
-  br i1 %t155, label %panic645, label %ok646
-panic645:
-  call void @finch_panic(ptr @.str.390, i64 133, ptr @.str.391)
+  br i1 %t155, label %panic702, label %ok703
+panic702:
+  call void @finch_panic(ptr @.str.395, i64 133, ptr @.str.396)
   unreachable
-ok646:
+ok703:
   %t156 = getelementptr inbounds %S.lexer.Lexer, ptr %t154, i32 0, i32 3
   %t157 = load i64, ptr %t156
   %t158 = insertvalue %S.lexer.Token %t153, i64 %t157, 2
   %t159 = load ptr, ptr %a18
   %t160 = icmp eq ptr %t159, null
-  br i1 %t160, label %panic647, label %ok648
-panic647:
-  call void @finch_panic(ptr @.str.392, i64 133, ptr @.str.393)
+  br i1 %t160, label %panic704, label %ok705
+panic704:
+  call void @finch_panic(ptr @.str.397, i64 133, ptr @.str.398)
   unreachable
-ok648:
+ok705:
   %t161 = getelementptr inbounds %S.lexer.Lexer, ptr %t159, i32 0, i32 4
   %t162 = load i64, ptr %t161
   %t163 = insertvalue %S.lexer.Token %t158, i64 %t162, 3
   %t164 = load ptr, ptr %a18
   %t165 = icmp eq ptr %t164, null
-  br i1 %t165, label %panic649, label %ok650
-panic649:
-  call void @finch_panic(ptr @.str.394, i64 133, ptr @.str.395)
+  br i1 %t165, label %panic706, label %ok707
+panic706:
+  call void @finch_panic(ptr @.str.399, i64 133, ptr @.str.400)
   unreachable
-ok650:
+ok707:
   %t166 = getelementptr inbounds %S.lexer.Lexer, ptr %t164, i32 0, i32 5
   %t167 = load i1, ptr %t166
   %t168 = insertvalue %S.lexer.Token %t163, i1 %t167, 4
   store %S.lexer.Token %t168, ptr %a169
   %t170 = load ptr, ptr %a18
   %t171 = icmp eq ptr %t170, null
-  br i1 %t171, label %panic651, label %ok652
-panic651:
-  call void @finch_panic(ptr @.str.396, i64 134, ptr @.str.397)
+  br i1 %t171, label %panic708, label %ok709
+panic708:
+  call void @finch_panic(ptr @.str.401, i64 134, ptr @.str.402)
   unreachable
-ok652:
+ok709:
   %t172 = getelementptr inbounds %S.lexer.Lexer, ptr %t170, i32 0, i32 5
   store i1 false, ptr %t172
   %t173 = load ptr, ptr %a18
   %t174 = icmp eq ptr %t173, null
-  br i1 %t174, label %panic653, label %ok654
-panic653:
-  call void @finch_panic(ptr @.str.398, i64 135, ptr @.str.399)
+  br i1 %t174, label %panic710, label %ok711
+panic710:
+  call void @finch_panic(ptr @.str.403, i64 135, ptr @.str.404)
   unreachable
-ok654:
+ok711:
   %t175 = getelementptr inbounds %S.lexer.Lexer, ptr %t173, i32 0, i32 2
   %t176 = load i64, ptr %t175
   store i64 %t176, ptr %a177
   %t178 = load i8, ptr %a43
   %t179 = call i1 @finch.lexer.isAlpha(i8 %t178)
-  br i1 %t179, label %then655, label %else656
-then655:
-  br label %while.cond658
-while.cond658:
+  br i1 %t179, label %then712, label %else713
+then712:
+  br label %while.cond715
+while.cond715:
   %t180 = load ptr, ptr %a18
   %t181 = icmp eq ptr %t180, null
-  br i1 %t181, label %panic661, label %ok662
-panic661:
-  call void @finch_panic(ptr @.str.400, i64 137, ptr @.str.401)
+  br i1 %t181, label %panic718, label %ok719
+panic718:
+  call void @finch_panic(ptr @.str.405, i64 137, ptr @.str.406)
   unreachable
-ok662:
+ok719:
   %t182 = getelementptr inbounds %S.lexer.Lexer, ptr %t180, i32 0, i32 2
   %t183 = load i64, ptr %t182
   %t184 = load ptr, ptr %a18
   %t185 = icmp eq ptr %t184, null
-  br i1 %t185, label %panic663, label %ok664
-panic663:
-  call void @finch_panic(ptr @.str.402, i64 137, ptr @.str.403)
+  br i1 %t185, label %panic720, label %ok721
+panic720:
+  call void @finch_panic(ptr @.str.407, i64 137, ptr @.str.408)
   unreachable
-ok664:
+ok721:
   %t186 = getelementptr inbounds %S.lexer.Lexer, ptr %t184, i32 0, i32 0
   %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t186, i32 0, i32 1
   %t188 = load i64, ptr %t187
   %t189 = icmp slt i64 %t183, %t188
-  br label %logic.from665
-logic.from665:
-  br i1 %t189, label %logic.rhs666, label %logic.end667
-logic.rhs666:
+  br label %logic.from722
+logic.from722:
+  br i1 %t189, label %logic.rhs723, label %logic.end724
+logic.rhs723:
   %t190 = load ptr, ptr %a18
   %t191 = icmp eq ptr %t190, null
-  br i1 %t191, label %panic668, label %ok669
-panic668:
-  call void @finch_panic(ptr @.str.404, i64 137, ptr @.str.405)
+  br i1 %t191, label %panic725, label %ok726
+panic725:
+  call void @finch_panic(ptr @.str.409, i64 137, ptr @.str.410)
   unreachable
-ok669:
+ok726:
   %t192 = getelementptr inbounds %S.lexer.Lexer, ptr %t190, i32 0, i32 0
   %t193 = load ptr, ptr %a18
   %t194 = icmp eq ptr %t193, null
-  br i1 %t194, label %panic670, label %ok671
-panic670:
-  call void @finch_panic(ptr @.str.406, i64 137, ptr @.str.407)
+  br i1 %t194, label %panic727, label %ok728
+panic727:
+  call void @finch_panic(ptr @.str.411, i64 137, ptr @.str.412)
   unreachable
-ok671:
+ok728:
   %t195 = getelementptr inbounds %S.lexer.Lexer, ptr %t193, i32 0, i32 2
   %t196 = load i64, ptr %t195
   %t197 = load { ptr, i64, i64 }, ptr %t192
   %t198 = extractvalue { ptr, i64, i64 } %t197, 1
   %t199 = icmp uge i64 %t196, %t198
-  br i1 %t199, label %range672, label %inrange673
-range672:
-  call void @finch_panic_index(ptr @.str.408, i64 137, i64 %t196, i64 %t198)
+  br i1 %t199, label %range729, label %inrange730
+range729:
+  call void @finch_panic_index(ptr @.str.413, i64 137, i64 %t196, i64 %t198)
   unreachable
-inrange673:
+inrange730:
   %t200 = extractvalue { ptr, i64, i64 } %t197, 0
   %t201 = getelementptr inbounds i8, ptr %t200, i64 %t196
   %t202 = load i8, ptr %t201
   %t203 = call i1 @finch.lexer.isAlpha(i8 %t202)
-  br label %logic.from674
-logic.from674:
-  br i1 %t203, label %logic.end676, label %logic.rhs675
-logic.rhs675:
+  br label %logic.from731
+logic.from731:
+  br i1 %t203, label %logic.end733, label %logic.rhs732
+logic.rhs732:
   %t204 = load ptr, ptr %a18
   %t205 = icmp eq ptr %t204, null
-  br i1 %t205, label %panic677, label %ok678
-panic677:
-  call void @finch_panic(ptr @.str.409, i64 137, ptr @.str.410)
+  br i1 %t205, label %panic734, label %ok735
+panic734:
+  call void @finch_panic(ptr @.str.414, i64 137, ptr @.str.415)
   unreachable
-ok678:
+ok735:
   %t206 = getelementptr inbounds %S.lexer.Lexer, ptr %t204, i32 0, i32 0
   %t207 = load ptr, ptr %a18
   %t208 = icmp eq ptr %t207, null
-  br i1 %t208, label %panic679, label %ok680
-panic679:
-  call void @finch_panic(ptr @.str.411, i64 137, ptr @.str.412)
+  br i1 %t208, label %panic736, label %ok737
+panic736:
+  call void @finch_panic(ptr @.str.416, i64 137, ptr @.str.417)
   unreachable
-ok680:
+ok737:
   %t209 = getelementptr inbounds %S.lexer.Lexer, ptr %t207, i32 0, i32 2
   %t210 = load i64, ptr %t209
   %t211 = load { ptr, i64, i64 }, ptr %t206
   %t212 = extractvalue { ptr, i64, i64 } %t211, 1
   %t213 = icmp uge i64 %t210, %t212
-  br i1 %t213, label %range681, label %inrange682
-range681:
-  call void @finch_panic_index(ptr @.str.413, i64 137, i64 %t210, i64 %t212)
+  br i1 %t213, label %range738, label %inrange739
+range738:
+  call void @finch_panic_index(ptr @.str.418, i64 137, i64 %t210, i64 %t212)
   unreachable
-inrange682:
+inrange739:
   %t214 = extractvalue { ptr, i64, i64 } %t211, 0
   %t215 = getelementptr inbounds i8, ptr %t214, i64 %t210
   %t216 = load i8, ptr %t215
   %t217 = call i1 @finch.lexer.isDigit(i8 %t216)
-  br label %logic.rend683
-logic.rend683:
-  br label %logic.end676
-logic.end676:
-  %t218 = phi i1 [ true, %logic.from674 ], [ %t217, %logic.rend683 ]
-  br label %logic.rend684
-logic.rend684:
-  br label %logic.end667
-logic.end667:
-  %t219 = phi i1 [ false, %logic.from665 ], [ %t218, %logic.rend684 ]
-  br i1 %t219, label %while.body659, label %while.end660
-while.body659:
+  br label %logic.rend740
+logic.rend740:
+  br label %logic.end733
+logic.end733:
+  %t218 = phi i1 [ true, %logic.from731 ], [ %t217, %logic.rend740 ]
+  br label %logic.rend741
+logic.rend741:
+  br label %logic.end724
+logic.end724:
+  %t219 = phi i1 [ false, %logic.from722 ], [ %t218, %logic.rend741 ]
+  br i1 %t219, label %while.body716, label %while.end717
+while.body716:
   %t220 = load ptr, ptr %a18
   call void @finch.lexer.advance(ptr %t220)
-  br label %while.cond658
-while.end660:
+  br label %while.cond715
+while.end717:
   %t221 = load ptr, ptr %a18
   %t222 = icmp eq ptr %t221, null
-  br i1 %t222, label %panic685, label %ok686
-panic685:
-  call void @finch_panic(ptr @.str.414, i64 140, ptr @.str.415)
+  br i1 %t222, label %panic742, label %ok743
+panic742:
+  call void @finch_panic(ptr @.str.419, i64 140, ptr @.str.420)
   unreachable
-ok686:
+ok743:
   %t223 = getelementptr inbounds %S.lexer.Lexer, ptr %t221, i32 0, i32 0
   %t224 = load { ptr, i64, i64 }, ptr %t223
   store { ptr, i64, i64 } %t224, ptr %a225
   %t227 = load i64, ptr %a177
   %t228 = load ptr, ptr %a18
   %t229 = icmp eq ptr %t228, null
-  br i1 %t229, label %panic687, label %ok688
-panic687:
-  call void @finch_panic(ptr @.str.417, i64 140, ptr @.str.418)
+  br i1 %t229, label %panic744, label %ok745
+panic744:
+  call void @finch_panic(ptr @.str.422, i64 140, ptr @.str.423)
   unreachable
-ok688:
+ok745:
   %t230 = getelementptr inbounds %S.lexer.Lexer, ptr %t228, i32 0, i32 2
   %t231 = load i64, ptr %t230
-  call void @finch_str_sub(ptr %a226, ptr %a225, i64 %t227, i64 %t231, ptr @.str.416, i64 140)
+  call void @finch_str_sub(ptr %a226, ptr %a225, i64 %t227, i64 %t231, ptr @.str.421, i64 140)
   %t232 = load { ptr, i64, i64 }, ptr %a226
   %t233 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t234 = load { ptr, i64, i64 }, ptr %t233
   store { ptr, i64, i64 } %t232, ptr %t233
-  %t234 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.419, i64 5, i64 0 }, ptr %t234
-  %t235 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  %t236 = load { ptr, i64, i64 }, ptr %t235
-  %t237 = call i1 @finch.lexer.isKeyword({ ptr, i64, i64 } %t236)
-  br i1 %t237, label %then689, label %endif691
-then689:
-  %t238 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  %t239 = load { ptr, i64, i64 }, ptr %t238
-  %t240 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } %t239, ptr %a241
-  call void @finch_str_copy(ptr %a242, ptr %a241)
-  %t243 = load { ptr, i64, i64 }, ptr %a242
-  store { ptr, i64, i64 } %t243, ptr %t240
-  br label %endif691
-endif691:
-  br label %endif657
-else656:
-  %t244 = load i8, ptr %a43
-  %t245 = call i1 @finch.lexer.isDigit(i8 %t244)
-  br i1 %t245, label %then692, label %else693
-then692:
-  %t246 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.420, i64 3, i64 0 }, ptr %t246
-  %t247 = load i8, ptr %a43
-  %t248 = icmp eq i8 %t247, 48
-  br label %logic.from695
-logic.from695:
-  br i1 %t248, label %logic.rhs696, label %logic.end697
-logic.rhs696:
-  %t249 = load ptr, ptr %a18
-  %t250 = call i8 @finch.lexer.peek(ptr %t249, i64 1)
-  %t251 = icmp eq i8 %t250, 120
-  br label %logic.from698
-logic.from698:
-  br i1 %t251, label %logic.end700, label %logic.rhs699
-logic.rhs699:
-  %t252 = load ptr, ptr %a18
-  %t253 = call i8 @finch.lexer.peek(ptr %t252, i64 1)
-  %t254 = icmp eq i8 %t253, 88
-  br label %logic.rend701
-logic.rend701:
-  br label %logic.end700
-logic.end700:
-  %t255 = phi i1 [ true, %logic.from698 ], [ %t254, %logic.rend701 ]
-  br label %logic.rend702
-logic.rend702:
-  br label %logic.end697
-logic.end697:
-  %t256 = phi i1 [ false, %logic.from695 ], [ %t255, %logic.rend702 ]
-  br i1 %t256, label %then703, label %else704
-then703:
+  store { ptr, i64, i64 } %t234, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t237 = load { ptr, i64, i64 }, ptr %t236
+  store { ptr, i64, i64 } { ptr @.str.424, i64 5, i64 0 }, ptr %t236
+  store { ptr, i64, i64 } %t237, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = call i1 @finch.lexer.isKeyword({ ptr, i64, i64 } %t240)
+  br i1 %t241, label %then746, label %endif748
+then746:
+  %t242 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t243 = load { ptr, i64, i64 }, ptr %t242
+  %t244 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  store { ptr, i64, i64 } %t243, ptr %a245
+  call void @finch_str_copy(ptr %a246, ptr %a245)
+  %t247 = load { ptr, i64, i64 }, ptr %a246
+  %t248 = load { ptr, i64, i64 }, ptr %t244
+  store { ptr, i64, i64 } %t247, ptr %t244
+  store { ptr, i64, i64 } %t248, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  br label %endif748
+endif748:
+  br label %endif714
+else713:
+  %t250 = load i8, ptr %a43
+  %t251 = call i1 @finch.lexer.isDigit(i8 %t250)
+  br i1 %t251, label %then749, label %else750
+then749:
+  %t252 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t253 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } { ptr @.str.425, i64 3, i64 0 }, ptr %t252
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_drop(ptr %a254)
+  %t255 = load i8, ptr %a43
+  %t256 = icmp eq i8 %t255, 48
+  br label %logic.from752
+logic.from752:
+  br i1 %t256, label %logic.rhs753, label %logic.end754
+logic.rhs753:
   %t257 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t257)
-  %t258 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t258)
-  br label %while.cond706
-while.cond706:
-  %t259 = load ptr, ptr %a18
-  %t260 = icmp eq ptr %t259, null
-  br i1 %t260, label %panic709, label %ok710
-panic709:
-  call void @finch_panic(ptr @.str.421, i64 150, ptr @.str.422)
-  unreachable
-ok710:
-  %t261 = getelementptr inbounds %S.lexer.Lexer, ptr %t259, i32 0, i32 2
-  %t262 = load i64, ptr %t261
-  %t263 = load ptr, ptr %a18
-  %t264 = icmp eq ptr %t263, null
-  br i1 %t264, label %panic711, label %ok712
-panic711:
-  call void @finch_panic(ptr @.str.423, i64 150, ptr @.str.424)
-  unreachable
-ok712:
-  %t265 = getelementptr inbounds %S.lexer.Lexer, ptr %t263, i32 0, i32 0
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i32 0, i32 1
-  %t267 = load i64, ptr %t266
-  %t268 = icmp slt i64 %t262, %t267
-  br label %logic.from713
-logic.from713:
-  br i1 %t268, label %logic.rhs714, label %logic.end715
-logic.rhs714:
-  %t269 = load ptr, ptr %a18
-  %t270 = icmp eq ptr %t269, null
-  br i1 %t270, label %panic716, label %ok717
-panic716:
-  call void @finch_panic(ptr @.str.425, i64 150, ptr @.str.426)
-  unreachable
-ok717:
-  %t271 = getelementptr inbounds %S.lexer.Lexer, ptr %t269, i32 0, i32 0
-  %t272 = load ptr, ptr %a18
-  %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic718, label %ok719
-panic718:
-  call void @finch_panic(ptr @.str.427, i64 150, ptr @.str.428)
-  unreachable
-ok719:
-  %t274 = getelementptr inbounds %S.lexer.Lexer, ptr %t272, i32 0, i32 2
-  %t275 = load i64, ptr %t274
-  %t276 = load { ptr, i64, i64 }, ptr %t271
-  %t277 = extractvalue { ptr, i64, i64 } %t276, 1
-  %t278 = icmp uge i64 %t275, %t277
-  br i1 %t278, label %range720, label %inrange721
-range720:
-  call void @finch_panic_index(ptr @.str.429, i64 150, i64 %t275, i64 %t277)
-  unreachable
-inrange721:
-  %t279 = extractvalue { ptr, i64, i64 } %t276, 0
-  %t280 = getelementptr inbounds i8, ptr %t279, i64 %t275
-  %t281 = load i8, ptr %t280
-  %t282 = call i1 @finch.lexer.isHex(i8 %t281)
-  br label %logic.from722
-logic.from722:
-  br i1 %t282, label %logic.end724, label %logic.rhs723
-logic.rhs723:
-  %t283 = load ptr, ptr %a18
-  %t284 = icmp eq ptr %t283, null
-  br i1 %t284, label %panic725, label %ok726
-panic725:
-  call void @finch_panic(ptr @.str.430, i64 150, ptr @.str.431)
-  unreachable
-ok726:
-  %t285 = getelementptr inbounds %S.lexer.Lexer, ptr %t283, i32 0, i32 0
-  %t286 = load ptr, ptr %a18
-  %t287 = icmp eq ptr %t286, null
-  br i1 %t287, label %panic727, label %ok728
-panic727:
-  call void @finch_panic(ptr @.str.432, i64 150, ptr @.str.433)
-  unreachable
-ok728:
-  %t288 = getelementptr inbounds %S.lexer.Lexer, ptr %t286, i32 0, i32 2
-  %t289 = load i64, ptr %t288
-  %t290 = load { ptr, i64, i64 }, ptr %t285
-  %t291 = extractvalue { ptr, i64, i64 } %t290, 1
-  %t292 = icmp uge i64 %t289, %t291
-  br i1 %t292, label %range729, label %inrange730
-range729:
-  call void @finch_panic_index(ptr @.str.434, i64 150, i64 %t289, i64 %t291)
-  unreachable
-inrange730:
-  %t293 = extractvalue { ptr, i64, i64 } %t290, 0
-  %t294 = getelementptr inbounds i8, ptr %t293, i64 %t289
-  %t295 = load i8, ptr %t294
-  %t296 = icmp eq i8 %t295, 95
-  br label %logic.rend731
-logic.rend731:
-  br label %logic.end724
-logic.end724:
-  %t297 = phi i1 [ true, %logic.from722 ], [ %t296, %logic.rend731 ]
-  br label %logic.rend732
-logic.rend732:
-  br label %logic.end715
-logic.end715:
-  %t298 = phi i1 [ false, %logic.from713 ], [ %t297, %logic.rend732 ]
-  br i1 %t298, label %while.body707, label %while.end708
-while.body707:
-  %t299 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t299)
-  br label %while.cond706
-while.end708:
-  br label %endif705
-else704:
-  br label %while.cond733
-while.cond733:
-  %t300 = load ptr, ptr %a18
-  %t301 = icmp eq ptr %t300, null
-  br i1 %t301, label %panic736, label %ok737
-panic736:
-  call void @finch_panic(ptr @.str.435, i64 154, ptr @.str.436)
-  unreachable
-ok737:
-  %t302 = getelementptr inbounds %S.lexer.Lexer, ptr %t300, i32 0, i32 2
-  %t303 = load i64, ptr %t302
-  %t304 = load ptr, ptr %a18
-  %t305 = icmp eq ptr %t304, null
-  br i1 %t305, label %panic738, label %ok739
-panic738:
-  call void @finch_panic(ptr @.str.437, i64 154, ptr @.str.438)
-  unreachable
-ok739:
-  %t306 = getelementptr inbounds %S.lexer.Lexer, ptr %t304, i32 0, i32 0
-  %t307 = getelementptr inbounds { ptr, i64, i64 }, ptr %t306, i32 0, i32 1
-  %t308 = load i64, ptr %t307
-  %t309 = icmp slt i64 %t303, %t308
-  br label %logic.from740
-logic.from740:
-  br i1 %t309, label %logic.rhs741, label %logic.end742
-logic.rhs741:
-  %t310 = load ptr, ptr %a18
-  %t311 = icmp eq ptr %t310, null
-  br i1 %t311, label %panic743, label %ok744
-panic743:
-  call void @finch_panic(ptr @.str.439, i64 154, ptr @.str.440)
-  unreachable
-ok744:
-  %t312 = getelementptr inbounds %S.lexer.Lexer, ptr %t310, i32 0, i32 0
-  %t313 = load ptr, ptr %a18
-  %t314 = icmp eq ptr %t313, null
-  br i1 %t314, label %panic745, label %ok746
-panic745:
-  call void @finch_panic(ptr @.str.441, i64 154, ptr @.str.442)
-  unreachable
-ok746:
-  %t315 = getelementptr inbounds %S.lexer.Lexer, ptr %t313, i32 0, i32 2
-  %t316 = load i64, ptr %t315
-  %t317 = load { ptr, i64, i64 }, ptr %t312
-  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
-  %t319 = icmp uge i64 %t316, %t318
-  br i1 %t319, label %range747, label %inrange748
-range747:
-  call void @finch_panic_index(ptr @.str.443, i64 154, i64 %t316, i64 %t318)
-  unreachable
-inrange748:
-  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
-  %t321 = getelementptr inbounds i8, ptr %t320, i64 %t316
-  %t322 = load i8, ptr %t321
-  %t323 = call i1 @finch.lexer.isDigit(i8 %t322)
-  br label %logic.from749
-logic.from749:
-  br i1 %t323, label %logic.end751, label %logic.rhs750
-logic.rhs750:
-  %t324 = load ptr, ptr %a18
-  %t325 = icmp eq ptr %t324, null
-  br i1 %t325, label %panic752, label %ok753
-panic752:
-  call void @finch_panic(ptr @.str.444, i64 154, ptr @.str.445)
-  unreachable
-ok753:
-  %t326 = getelementptr inbounds %S.lexer.Lexer, ptr %t324, i32 0, i32 0
-  %t327 = load ptr, ptr %a18
-  %t328 = icmp eq ptr %t327, null
-  br i1 %t328, label %panic754, label %ok755
-panic754:
-  call void @finch_panic(ptr @.str.446, i64 154, ptr @.str.447)
-  unreachable
-ok755:
-  %t329 = getelementptr inbounds %S.lexer.Lexer, ptr %t327, i32 0, i32 2
-  %t330 = load i64, ptr %t329
-  %t331 = load { ptr, i64, i64 }, ptr %t326
-  %t332 = extractvalue { ptr, i64, i64 } %t331, 1
-  %t333 = icmp uge i64 %t330, %t332
-  br i1 %t333, label %range756, label %inrange757
-range756:
-  call void @finch_panic_index(ptr @.str.448, i64 154, i64 %t330, i64 %t332)
-  unreachable
-inrange757:
-  %t334 = extractvalue { ptr, i64, i64 } %t331, 0
-  %t335 = getelementptr inbounds i8, ptr %t334, i64 %t330
-  %t336 = load i8, ptr %t335
-  %t337 = icmp eq i8 %t336, 95
+  %t258 = call i8 @finch.lexer.peek(ptr %t257, i64 1)
+  %t259 = icmp eq i8 %t258, 120
+  br label %logic.from755
+logic.from755:
+  br i1 %t259, label %logic.end757, label %logic.rhs756
+logic.rhs756:
+  %t260 = load ptr, ptr %a18
+  %t261 = call i8 @finch.lexer.peek(ptr %t260, i64 1)
+  %t262 = icmp eq i8 %t261, 88
   br label %logic.rend758
 logic.rend758:
-  br label %logic.end751
-logic.end751:
-  %t338 = phi i1 [ true, %logic.from749 ], [ %t337, %logic.rend758 ]
+  br label %logic.end757
+logic.end757:
+  %t263 = phi i1 [ true, %logic.from755 ], [ %t262, %logic.rend758 ]
   br label %logic.rend759
 logic.rend759:
-  br label %logic.end742
-logic.end742:
-  %t339 = phi i1 [ false, %logic.from740 ], [ %t338, %logic.rend759 ]
-  br i1 %t339, label %while.body734, label %while.end735
-while.body734:
-  %t340 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t340)
-  br label %while.cond733
-while.end735:
-  %t341 = load ptr, ptr %a18
-  %t342 = call i8 @finch.lexer.peek(ptr %t341, i64 0)
-  %t343 = icmp eq i8 %t342, 46
-  br label %logic.from760
-logic.from760:
-  br i1 %t343, label %logic.rhs761, label %logic.end762
-logic.rhs761:
-  %t344 = load ptr, ptr %a18
-  %t345 = call i8 @finch.lexer.peek(ptr %t344, i64 1)
-  %t346 = call i1 @finch.lexer.isDigit(i8 %t345)
-  br label %logic.rend763
-logic.rend763:
-  br label %logic.end762
-logic.end762:
-  %t347 = phi i1 [ false, %logic.from760 ], [ %t346, %logic.rend763 ]
-  br i1 %t347, label %then764, label %endif766
-then764:
-  %t348 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.449, i64 5, i64 0 }, ptr %t348
+  br label %logic.end754
+logic.end754:
+  %t264 = phi i1 [ false, %logic.from752 ], [ %t263, %logic.rend759 ]
+  br i1 %t264, label %then760, label %else761
+then760:
+  %t265 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t265)
+  %t266 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t266)
+  br label %while.cond763
+while.cond763:
+  %t267 = load ptr, ptr %a18
+  %t268 = icmp eq ptr %t267, null
+  br i1 %t268, label %panic766, label %ok767
+panic766:
+  call void @finch_panic(ptr @.str.426, i64 150, ptr @.str.427)
+  unreachable
+ok767:
+  %t269 = getelementptr inbounds %S.lexer.Lexer, ptr %t267, i32 0, i32 2
+  %t270 = load i64, ptr %t269
+  %t271 = load ptr, ptr %a18
+  %t272 = icmp eq ptr %t271, null
+  br i1 %t272, label %panic768, label %ok769
+panic768:
+  call void @finch_panic(ptr @.str.428, i64 150, ptr @.str.429)
+  unreachable
+ok769:
+  %t273 = getelementptr inbounds %S.lexer.Lexer, ptr %t271, i32 0, i32 0
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i32 0, i32 1
+  %t275 = load i64, ptr %t274
+  %t276 = icmp slt i64 %t270, %t275
+  br label %logic.from770
+logic.from770:
+  br i1 %t276, label %logic.rhs771, label %logic.end772
+logic.rhs771:
+  %t277 = load ptr, ptr %a18
+  %t278 = icmp eq ptr %t277, null
+  br i1 %t278, label %panic773, label %ok774
+panic773:
+  call void @finch_panic(ptr @.str.430, i64 150, ptr @.str.431)
+  unreachable
+ok774:
+  %t279 = getelementptr inbounds %S.lexer.Lexer, ptr %t277, i32 0, i32 0
+  %t280 = load ptr, ptr %a18
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic775, label %ok776
+panic775:
+  call void @finch_panic(ptr @.str.432, i64 150, ptr @.str.433)
+  unreachable
+ok776:
+  %t282 = getelementptr inbounds %S.lexer.Lexer, ptr %t280, i32 0, i32 2
+  %t283 = load i64, ptr %t282
+  %t284 = load { ptr, i64, i64 }, ptr %t279
+  %t285 = extractvalue { ptr, i64, i64 } %t284, 1
+  %t286 = icmp uge i64 %t283, %t285
+  br i1 %t286, label %range777, label %inrange778
+range777:
+  call void @finch_panic_index(ptr @.str.434, i64 150, i64 %t283, i64 %t285)
+  unreachable
+inrange778:
+  %t287 = extractvalue { ptr, i64, i64 } %t284, 0
+  %t288 = getelementptr inbounds i8, ptr %t287, i64 %t283
+  %t289 = load i8, ptr %t288
+  %t290 = call i1 @finch.lexer.isHex(i8 %t289)
+  br label %logic.from779
+logic.from779:
+  br i1 %t290, label %logic.end781, label %logic.rhs780
+logic.rhs780:
+  %t291 = load ptr, ptr %a18
+  %t292 = icmp eq ptr %t291, null
+  br i1 %t292, label %panic782, label %ok783
+panic782:
+  call void @finch_panic(ptr @.str.435, i64 150, ptr @.str.436)
+  unreachable
+ok783:
+  %t293 = getelementptr inbounds %S.lexer.Lexer, ptr %t291, i32 0, i32 0
+  %t294 = load ptr, ptr %a18
+  %t295 = icmp eq ptr %t294, null
+  br i1 %t295, label %panic784, label %ok785
+panic784:
+  call void @finch_panic(ptr @.str.437, i64 150, ptr @.str.438)
+  unreachable
+ok785:
+  %t296 = getelementptr inbounds %S.lexer.Lexer, ptr %t294, i32 0, i32 2
+  %t297 = load i64, ptr %t296
+  %t298 = load { ptr, i64, i64 }, ptr %t293
+  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
+  %t300 = icmp uge i64 %t297, %t299
+  br i1 %t300, label %range786, label %inrange787
+range786:
+  call void @finch_panic_index(ptr @.str.439, i64 150, i64 %t297, i64 %t299)
+  unreachable
+inrange787:
+  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
+  %t302 = getelementptr inbounds i8, ptr %t301, i64 %t297
+  %t303 = load i8, ptr %t302
+  %t304 = icmp eq i8 %t303, 95
+  br label %logic.rend788
+logic.rend788:
+  br label %logic.end781
+logic.end781:
+  %t305 = phi i1 [ true, %logic.from779 ], [ %t304, %logic.rend788 ]
+  br label %logic.rend789
+logic.rend789:
+  br label %logic.end772
+logic.end772:
+  %t306 = phi i1 [ false, %logic.from770 ], [ %t305, %logic.rend789 ]
+  br i1 %t306, label %while.body764, label %while.end765
+while.body764:
+  %t307 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t307)
+  br label %while.cond763
+while.end765:
+  br label %endif762
+else761:
+  br label %while.cond790
+while.cond790:
+  %t308 = load ptr, ptr %a18
+  %t309 = icmp eq ptr %t308, null
+  br i1 %t309, label %panic793, label %ok794
+panic793:
+  call void @finch_panic(ptr @.str.440, i64 154, ptr @.str.441)
+  unreachable
+ok794:
+  %t310 = getelementptr inbounds %S.lexer.Lexer, ptr %t308, i32 0, i32 2
+  %t311 = load i64, ptr %t310
+  %t312 = load ptr, ptr %a18
+  %t313 = icmp eq ptr %t312, null
+  br i1 %t313, label %panic795, label %ok796
+panic795:
+  call void @finch_panic(ptr @.str.442, i64 154, ptr @.str.443)
+  unreachable
+ok796:
+  %t314 = getelementptr inbounds %S.lexer.Lexer, ptr %t312, i32 0, i32 0
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i32 0, i32 1
+  %t316 = load i64, ptr %t315
+  %t317 = icmp slt i64 %t311, %t316
+  br label %logic.from797
+logic.from797:
+  br i1 %t317, label %logic.rhs798, label %logic.end799
+logic.rhs798:
+  %t318 = load ptr, ptr %a18
+  %t319 = icmp eq ptr %t318, null
+  br i1 %t319, label %panic800, label %ok801
+panic800:
+  call void @finch_panic(ptr @.str.444, i64 154, ptr @.str.445)
+  unreachable
+ok801:
+  %t320 = getelementptr inbounds %S.lexer.Lexer, ptr %t318, i32 0, i32 0
+  %t321 = load ptr, ptr %a18
+  %t322 = icmp eq ptr %t321, null
+  br i1 %t322, label %panic802, label %ok803
+panic802:
+  call void @finch_panic(ptr @.str.446, i64 154, ptr @.str.447)
+  unreachable
+ok803:
+  %t323 = getelementptr inbounds %S.lexer.Lexer, ptr %t321, i32 0, i32 2
+  %t324 = load i64, ptr %t323
+  %t325 = load { ptr, i64, i64 }, ptr %t320
+  %t326 = extractvalue { ptr, i64, i64 } %t325, 1
+  %t327 = icmp uge i64 %t324, %t326
+  br i1 %t327, label %range804, label %inrange805
+range804:
+  call void @finch_panic_index(ptr @.str.448, i64 154, i64 %t324, i64 %t326)
+  unreachable
+inrange805:
+  %t328 = extractvalue { ptr, i64, i64 } %t325, 0
+  %t329 = getelementptr inbounds i8, ptr %t328, i64 %t324
+  %t330 = load i8, ptr %t329
+  %t331 = call i1 @finch.lexer.isDigit(i8 %t330)
+  br label %logic.from806
+logic.from806:
+  br i1 %t331, label %logic.end808, label %logic.rhs807
+logic.rhs807:
+  %t332 = load ptr, ptr %a18
+  %t333 = icmp eq ptr %t332, null
+  br i1 %t333, label %panic809, label %ok810
+panic809:
+  call void @finch_panic(ptr @.str.449, i64 154, ptr @.str.450)
+  unreachable
+ok810:
+  %t334 = getelementptr inbounds %S.lexer.Lexer, ptr %t332, i32 0, i32 0
+  %t335 = load ptr, ptr %a18
+  %t336 = icmp eq ptr %t335, null
+  br i1 %t336, label %panic811, label %ok812
+panic811:
+  call void @finch_panic(ptr @.str.451, i64 154, ptr @.str.452)
+  unreachable
+ok812:
+  %t337 = getelementptr inbounds %S.lexer.Lexer, ptr %t335, i32 0, i32 2
+  %t338 = load i64, ptr %t337
+  %t339 = load { ptr, i64, i64 }, ptr %t334
+  %t340 = extractvalue { ptr, i64, i64 } %t339, 1
+  %t341 = icmp uge i64 %t338, %t340
+  br i1 %t341, label %range813, label %inrange814
+range813:
+  call void @finch_panic_index(ptr @.str.453, i64 154, i64 %t338, i64 %t340)
+  unreachable
+inrange814:
+  %t342 = extractvalue { ptr, i64, i64 } %t339, 0
+  %t343 = getelementptr inbounds i8, ptr %t342, i64 %t338
+  %t344 = load i8, ptr %t343
+  %t345 = icmp eq i8 %t344, 95
+  br label %logic.rend815
+logic.rend815:
+  br label %logic.end808
+logic.end808:
+  %t346 = phi i1 [ true, %logic.from806 ], [ %t345, %logic.rend815 ]
+  br label %logic.rend816
+logic.rend816:
+  br label %logic.end799
+logic.end799:
+  %t347 = phi i1 [ false, %logic.from797 ], [ %t346, %logic.rend816 ]
+  br i1 %t347, label %while.body791, label %while.end792
+while.body791:
+  %t348 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t348)
+  br label %while.cond790
+while.end792:
   %t349 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t349)
-  br label %while.cond767
-while.cond767:
-  %t350 = load ptr, ptr %a18
-  %t351 = icmp eq ptr %t350, null
-  br i1 %t351, label %panic770, label %ok771
-panic770:
-  call void @finch_panic(ptr @.str.450, i64 160, ptr @.str.451)
-  unreachable
-ok771:
-  %t352 = getelementptr inbounds %S.lexer.Lexer, ptr %t350, i32 0, i32 2
-  %t353 = load i64, ptr %t352
-  %t354 = load ptr, ptr %a18
-  %t355 = icmp eq ptr %t354, null
-  br i1 %t355, label %panic772, label %ok773
-panic772:
-  call void @finch_panic(ptr @.str.452, i64 160, ptr @.str.453)
-  unreachable
-ok773:
-  %t356 = getelementptr inbounds %S.lexer.Lexer, ptr %t354, i32 0, i32 0
-  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
-  %t358 = load i64, ptr %t357
-  %t359 = icmp slt i64 %t353, %t358
-  br label %logic.from774
-logic.from774:
-  br i1 %t359, label %logic.rhs775, label %logic.end776
-logic.rhs775:
+  %t350 = call i8 @finch.lexer.peek(ptr %t349, i64 0)
+  %t351 = icmp eq i8 %t350, 46
+  br label %logic.from817
+logic.from817:
+  br i1 %t351, label %logic.rhs818, label %logic.end819
+logic.rhs818:
+  %t352 = load ptr, ptr %a18
+  %t353 = call i8 @finch.lexer.peek(ptr %t352, i64 1)
+  %t354 = call i1 @finch.lexer.isDigit(i8 %t353)
+  br label %logic.rend820
+logic.rend820:
+  br label %logic.end819
+logic.end819:
+  %t355 = phi i1 [ false, %logic.from817 ], [ %t354, %logic.rend820 ]
+  br i1 %t355, label %then821, label %endif823
+then821:
+  %t356 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t357 = load { ptr, i64, i64 }, ptr %t356
+  store { ptr, i64, i64 } { ptr @.str.454, i64 5, i64 0 }, ptr %t356
+  store { ptr, i64, i64 } %t357, ptr %a358
+  call void @finch_str_drop(ptr %a358)
+  %t359 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t359)
+  br label %while.cond824
+while.cond824:
   %t360 = load ptr, ptr %a18
   %t361 = icmp eq ptr %t360, null
-  br i1 %t361, label %panic777, label %ok778
-panic777:
-  call void @finch_panic(ptr @.str.454, i64 160, ptr @.str.455)
+  br i1 %t361, label %panic827, label %ok828
+panic827:
+  call void @finch_panic(ptr @.str.455, i64 160, ptr @.str.456)
   unreachable
-ok778:
-  %t362 = getelementptr inbounds %S.lexer.Lexer, ptr %t360, i32 0, i32 0
-  %t363 = load ptr, ptr %a18
-  %t364 = icmp eq ptr %t363, null
-  br i1 %t364, label %panic779, label %ok780
-panic779:
-  call void @finch_panic(ptr @.str.456, i64 160, ptr @.str.457)
+ok828:
+  %t362 = getelementptr inbounds %S.lexer.Lexer, ptr %t360, i32 0, i32 2
+  %t363 = load i64, ptr %t362
+  %t364 = load ptr, ptr %a18
+  %t365 = icmp eq ptr %t364, null
+  br i1 %t365, label %panic829, label %ok830
+panic829:
+  call void @finch_panic(ptr @.str.457, i64 160, ptr @.str.458)
   unreachable
-ok780:
-  %t365 = getelementptr inbounds %S.lexer.Lexer, ptr %t363, i32 0, i32 2
-  %t366 = load i64, ptr %t365
-  %t367 = load { ptr, i64, i64 }, ptr %t362
-  %t368 = extractvalue { ptr, i64, i64 } %t367, 1
-  %t369 = icmp uge i64 %t366, %t368
-  br i1 %t369, label %range781, label %inrange782
-range781:
-  call void @finch_panic_index(ptr @.str.458, i64 160, i64 %t366, i64 %t368)
-  unreachable
-inrange782:
-  %t370 = extractvalue { ptr, i64, i64 } %t367, 0
-  %t371 = getelementptr inbounds i8, ptr %t370, i64 %t366
-  %t372 = load i8, ptr %t371
-  %t373 = call i1 @finch.lexer.isDigit(i8 %t372)
-  br label %logic.from783
-logic.from783:
-  br i1 %t373, label %logic.end785, label %logic.rhs784
-logic.rhs784:
-  %t374 = load ptr, ptr %a18
-  %t375 = icmp eq ptr %t374, null
-  br i1 %t375, label %panic786, label %ok787
-panic786:
+ok830:
+  %t366 = getelementptr inbounds %S.lexer.Lexer, ptr %t364, i32 0, i32 0
+  %t367 = getelementptr inbounds { ptr, i64, i64 }, ptr %t366, i32 0, i32 1
+  %t368 = load i64, ptr %t367
+  %t369 = icmp slt i64 %t363, %t368
+  br label %logic.from831
+logic.from831:
+  br i1 %t369, label %logic.rhs832, label %logic.end833
+logic.rhs832:
+  %t370 = load ptr, ptr %a18
+  %t371 = icmp eq ptr %t370, null
+  br i1 %t371, label %panic834, label %ok835
+panic834:
   call void @finch_panic(ptr @.str.459, i64 160, ptr @.str.460)
   unreachable
-ok787:
-  %t376 = getelementptr inbounds %S.lexer.Lexer, ptr %t374, i32 0, i32 0
-  %t377 = load ptr, ptr %a18
-  %t378 = icmp eq ptr %t377, null
-  br i1 %t378, label %panic788, label %ok789
-panic788:
+ok835:
+  %t372 = getelementptr inbounds %S.lexer.Lexer, ptr %t370, i32 0, i32 0
+  %t373 = load ptr, ptr %a18
+  %t374 = icmp eq ptr %t373, null
+  br i1 %t374, label %panic836, label %ok837
+panic836:
   call void @finch_panic(ptr @.str.461, i64 160, ptr @.str.462)
   unreachable
-ok789:
-  %t379 = getelementptr inbounds %S.lexer.Lexer, ptr %t377, i32 0, i32 2
-  %t380 = load i64, ptr %t379
-  %t381 = load { ptr, i64, i64 }, ptr %t376
-  %t382 = extractvalue { ptr, i64, i64 } %t381, 1
-  %t383 = icmp uge i64 %t380, %t382
-  br i1 %t383, label %range790, label %inrange791
-range790:
-  call void @finch_panic_index(ptr @.str.463, i64 160, i64 %t380, i64 %t382)
+ok837:
+  %t375 = getelementptr inbounds %S.lexer.Lexer, ptr %t373, i32 0, i32 2
+  %t376 = load i64, ptr %t375
+  %t377 = load { ptr, i64, i64 }, ptr %t372
+  %t378 = extractvalue { ptr, i64, i64 } %t377, 1
+  %t379 = icmp uge i64 %t376, %t378
+  br i1 %t379, label %range838, label %inrange839
+range838:
+  call void @finch_panic_index(ptr @.str.463, i64 160, i64 %t376, i64 %t378)
   unreachable
-inrange791:
-  %t384 = extractvalue { ptr, i64, i64 } %t381, 0
-  %t385 = getelementptr inbounds i8, ptr %t384, i64 %t380
-  %t386 = load i8, ptr %t385
-  %t387 = icmp eq i8 %t386, 95
-  br label %logic.rend792
-logic.rend792:
-  br label %logic.end785
-logic.end785:
-  %t388 = phi i1 [ true, %logic.from783 ], [ %t387, %logic.rend792 ]
-  br label %logic.rend793
-logic.rend793:
-  br label %logic.end776
-logic.end776:
-  %t389 = phi i1 [ false, %logic.from774 ], [ %t388, %logic.rend793 ]
-  br i1 %t389, label %while.body768, label %while.end769
-while.body768:
-  %t390 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t390)
-  br label %while.cond767
-while.end769:
-  br label %endif766
-endif766:
-  br label %endif705
-endif705:
-  %t391 = load ptr, ptr %a18
-  %t392 = icmp eq ptr %t391, null
-  br i1 %t392, label %panic794, label %ok795
-panic794:
-  call void @finch_panic(ptr @.str.464, i64 165, ptr @.str.465)
+inrange839:
+  %t380 = extractvalue { ptr, i64, i64 } %t377, 0
+  %t381 = getelementptr inbounds i8, ptr %t380, i64 %t376
+  %t382 = load i8, ptr %t381
+  %t383 = call i1 @finch.lexer.isDigit(i8 %t382)
+  br label %logic.from840
+logic.from840:
+  br i1 %t383, label %logic.end842, label %logic.rhs841
+logic.rhs841:
+  %t384 = load ptr, ptr %a18
+  %t385 = icmp eq ptr %t384, null
+  br i1 %t385, label %panic843, label %ok844
+panic843:
+  call void @finch_panic(ptr @.str.464, i64 160, ptr @.str.465)
   unreachable
-ok795:
-  %t393 = getelementptr inbounds %S.lexer.Lexer, ptr %t391, i32 0, i32 0
-  %t394 = load { ptr, i64, i64 }, ptr %t393
-  store { ptr, i64, i64 } %t394, ptr %a395
-  %t397 = load i64, ptr %a177
-  %t398 = load ptr, ptr %a18
-  %t399 = icmp eq ptr %t398, null
-  br i1 %t399, label %panic796, label %ok797
-panic796:
-  call void @finch_panic(ptr @.str.467, i64 165, ptr @.str.468)
+ok844:
+  %t386 = getelementptr inbounds %S.lexer.Lexer, ptr %t384, i32 0, i32 0
+  %t387 = load ptr, ptr %a18
+  %t388 = icmp eq ptr %t387, null
+  br i1 %t388, label %panic845, label %ok846
+panic845:
+  call void @finch_panic(ptr @.str.466, i64 160, ptr @.str.467)
   unreachable
-ok797:
-  %t400 = getelementptr inbounds %S.lexer.Lexer, ptr %t398, i32 0, i32 2
-  %t401 = load i64, ptr %t400
-  call void @finch_str_sub(ptr %a396, ptr %a395, i64 %t397, i64 %t401, ptr @.str.466, i64 165)
-  %t402 = load { ptr, i64, i64 }, ptr %a396
-  store { ptr, i64, i64 } %t402, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.470, i64 1, i64 0 }, ptr %a405
-  store { ptr, i64, i64 } { ptr @.str.471, i64 0, i64 0 }, ptr %a406
-  call void @finch_str_replace(ptr %a404, ptr %a403, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  %t408 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  store { ptr, i64, i64 } %t407, ptr %t408
-  br label %endif694
-else693:
-  %t409 = load i8, ptr %a43
-  %t410 = icmp eq i8 %t409, 34
-  br label %logic.from798
-logic.from798:
-  br i1 %t410, label %logic.end800, label %logic.rhs799
-logic.rhs799:
-  %t411 = load i8, ptr %a43
-  %t412 = icmp eq i8 %t411, 39
-  br label %logic.rend801
-logic.rend801:
-  br label %logic.end800
-logic.end800:
-  %t413 = phi i1 [ true, %logic.from798 ], [ %t412, %logic.rend801 ]
-  br i1 %t413, label %then802, label %else803
-then802:
-  %t414 = load i8, ptr %a43
-  store i8 %t414, ptr %a415
-  %t416 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.472, i64 6, i64 0 }, ptr %t416
-  %t417 = load i8, ptr %a415
-  %t418 = icmp eq i8 %t417, 39
-  br i1 %t418, label %then805, label %endif807
-then805:
-  %t419 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.473, i64 4, i64 0 }, ptr %t419
-  br label %endif807
-endif807:
-  %t420 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t420)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a421
-  br label %while.cond808
-while.cond808:
-  %t422 = load ptr, ptr %a18
-  %t423 = call i8 @finch.lexer.peek(ptr %t422, i64 0)
-  %t424 = load i8, ptr %a415
-  %t425 = icmp ne i8 %t423, %t424
-  br i1 %t425, label %while.body809, label %while.end810
-while.body809:
-  %t426 = load ptr, ptr %a18
-  %t427 = call i8 @finch.lexer.peek(ptr %t426, i64 0)
-  %t428 = trunc i64 0 to i8
-  %t429 = icmp eq i8 %t427, %t428
-  br label %logic.from811
-logic.from811:
-  br i1 %t429, label %logic.end813, label %logic.rhs812
-logic.rhs812:
-  %t430 = load ptr, ptr %a18
-  %t431 = call i8 @finch.lexer.peek(ptr %t430, i64 0)
-  %t432 = icmp eq i8 %t431, 10
-  br label %logic.rend814
-logic.rend814:
-  br label %logic.end813
-logic.end813:
-  %t433 = phi i1 [ true, %logic.from811 ], [ %t432, %logic.rend814 ]
-  br i1 %t433, label %then815, label %endif817
-then815:
-  %t434 = load i8, ptr %a415
-  %t435 = icmp eq i8 %t434, 34
-  br i1 %t435, label %then818, label %endif820
-then818:
-  %t436 = load ptr, ptr %a18
-  %t437 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t438 = load i64, ptr %t437
-  %t439 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t440 = load i64, ptr %t439
-  call void @finch.lexer.fail(ptr %t436, i64 %t438, i64 %t440, { ptr, i64, i64 } { ptr @.str.474, i64 34, i64 0 })
-  br label %endif820
-endif820:
-  %t441 = load ptr, ptr %a18
-  %t442 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t443 = load i64, ptr %t442
-  %t444 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t445 = load i64, ptr %t444
-  call void @finch.lexer.fail(ptr %t441, i64 %t443, i64 %t445, { ptr, i64, i64 } { ptr @.str.475, i64 32, i64 0 })
-  br label %endif817
-endif817:
-  %t446 = load ptr, ptr %a18
-  %t447 = call i8 @finch.lexer.peek(ptr %t446, i64 0)
-  store i8 %t447, ptr %a448
-  %t449 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t449)
-  %t450 = load i8, ptr %a448
-  %t451 = icmp eq i8 %t450, 92
-  br i1 %t451, label %then821, label %endif823
-then821:
-  %t452 = load ptr, ptr %a18
-  %t453 = call i8 @finch.lexer.peek(ptr %t452, i64 0)
-  store i8 %t453, ptr %a454
-  %t455 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t455)
-  %t456 = load ptr, ptr %a18
-  %t457 = load i8, ptr %a454
-  %t458 = call i8 @finch.lexer.escape(ptr %t456, i8 %t457)
-  store i8 %t458, ptr %a448
+ok846:
+  %t389 = getelementptr inbounds %S.lexer.Lexer, ptr %t387, i32 0, i32 2
+  %t390 = load i64, ptr %t389
+  %t391 = load { ptr, i64, i64 }, ptr %t386
+  %t392 = extractvalue { ptr, i64, i64 } %t391, 1
+  %t393 = icmp uge i64 %t390, %t392
+  br i1 %t393, label %range847, label %inrange848
+range847:
+  call void @finch_panic_index(ptr @.str.468, i64 160, i64 %t390, i64 %t392)
+  unreachable
+inrange848:
+  %t394 = extractvalue { ptr, i64, i64 } %t391, 0
+  %t395 = getelementptr inbounds i8, ptr %t394, i64 %t390
+  %t396 = load i8, ptr %t395
+  %t397 = icmp eq i8 %t396, 95
+  br label %logic.rend849
+logic.rend849:
+  br label %logic.end842
+logic.end842:
+  %t398 = phi i1 [ true, %logic.from840 ], [ %t397, %logic.rend849 ]
+  br label %logic.rend850
+logic.rend850:
+  br label %logic.end833
+logic.end833:
+  %t399 = phi i1 [ false, %logic.from831 ], [ %t398, %logic.rend850 ]
+  br i1 %t399, label %while.body825, label %while.end826
+while.body825:
+  %t400 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t400)
+  br label %while.cond824
+while.end826:
   br label %endif823
 endif823:
-  %t459 = getelementptr inbounds { ptr, i64, i64 }, ptr %a421, i32 0, i32 1
-  %t460 = load i8, ptr %a448
-  call void @finch_str_from_char(ptr %a461, i8 signext %t460)
-  %t462 = load { ptr, i64, i64 }, ptr %a461
-  %t463 = load i64, ptr %t459
-  %t464 = add i64 %t463, 1
-  call void @finch_arr_reserve(ptr %a421, i64 %t464, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t465 = load ptr, ptr %a421
-  %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t465, i64 %t463
-  store { ptr, i64, i64 } %t462, ptr %t466
-  store i64 %t464, ptr %t459
-  br label %while.cond808
-while.end810:
-  %t467 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t467)
-  %t468 = getelementptr inbounds { ptr, i64, i64 }, ptr %a421, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.476, i64 0, i64 0 }, ptr %a469
-  call void @finch_str_join(ptr %a470, ptr %a421, ptr %a469)
-  %t471 = load { ptr, i64, i64 }, ptr %a470
-  %t472 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  store { ptr, i64, i64 } %t471, ptr %t472
-  %t473 = load i8, ptr %a415
-  %t474 = icmp eq i8 %t473, 39
-  br label %logic.from824
-logic.from824:
-  br i1 %t474, label %logic.rhs825, label %logic.end826
-logic.rhs825:
-  %t475 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i32 0, i32 1
-  %t477 = load i64, ptr %t476
-  %t478 = icmp ne i64 %t477, 1
-  br label %logic.rend827
-logic.rend827:
-  br label %logic.end826
-logic.end826:
-  %t479 = phi i1 [ false, %logic.from824 ], [ %t478, %logic.rend827 ]
-  br i1 %t479, label %then828, label %endif830
-then828:
-  %t480 = load ptr, ptr %a18
-  %t481 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t482 = load i64, ptr %t481
-  %t483 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t484 = load i64, ptr %t483
-  call void @finch.lexer.fail(ptr %t480, i64 %t482, i64 %t484, { ptr, i64, i64 } { ptr @.str.477, i64 44, i64 0 })
-  br label %endif830
-endif830:
-  br label %endif804
-else803:
-  %t485 = load ptr, ptr %a18
-  %t486 = call { ptr, i64, i64 } @finch.lexer.operator(ptr %t485)
-  store { ptr, i64, i64 } %t486, ptr %a487
-  %t488 = getelementptr inbounds { ptr, i64, i64 }, ptr %a487, i32 0, i32 1
-  %t489 = load i64, ptr %t488
-  %t490 = icmp eq i64 %t489, 0
-  br i1 %t490, label %then831, label %endif833
-then831:
-  store i64 1, ptr %a491
-  %t492 = load i8, ptr %a43
-  %t493 = zext i8 %t492 to i64
-  %t494 = and i64 %t493, 224
-  %t495 = icmp eq i64 %t494, 192
-  br i1 %t495, label %then834, label %else835
-then834:
-  store i64 2, ptr %a491
-  br label %endif836
-else835:
-  %t496 = load i8, ptr %a43
-  %t497 = zext i8 %t496 to i64
-  %t498 = and i64 %t497, 240
-  %t499 = icmp eq i64 %t498, 224
-  br i1 %t499, label %then837, label %else838
-then837:
-  store i64 3, ptr %a491
-  br label %endif839
-else838:
-  %t500 = load i8, ptr %a43
-  %t501 = zext i8 %t500 to i64
-  %t502 = and i64 %t501, 248
-  %t503 = icmp eq i64 %t502, 240
-  br i1 %t503, label %then840, label %endif842
-then840:
-  store i64 4, ptr %a491
-  br label %endif842
-endif842:
-  br label %endif839
-endif839:
-  br label %endif836
-endif836:
-  store { ptr, i64, i64 } { ptr @.str.478, i64 0, i64 0 }, ptr %a504
-  %t505 = load i8, ptr %a43
-  %t506 = zext i8 %t505 to i64
-  %t507 = icmp sge i64 %t506, 128
-  br i1 %t507, label %then843, label %endif845
-then843:
-  store { ptr, i64, i64 } { ptr @.str.479, i64 74, i64 0 }, ptr %a504
-  br label %endif845
-endif845:
-  %t508 = load ptr, ptr %a18
-  %t509 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
-  %t510 = load i64, ptr %t509
-  %t511 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
-  %t512 = load i64, ptr %t511
-  %t513 = load ptr, ptr %a18
-  %t514 = icmp eq ptr %t513, null
-  br i1 %t514, label %panic846, label %ok847
-panic846:
-  call void @finch_panic(ptr @.str.481, i64 211, ptr @.str.482)
+  br label %endif762
+endif762:
+  %t401 = load ptr, ptr %a18
+  %t402 = icmp eq ptr %t401, null
+  br i1 %t402, label %panic851, label %ok852
+panic851:
+  call void @finch_panic(ptr @.str.469, i64 165, ptr @.str.470)
   unreachable
-ok847:
-  %t515 = getelementptr inbounds %S.lexer.Lexer, ptr %t513, i32 0, i32 0
-  %t516 = load { ptr, i64, i64 }, ptr %t515
-  store { ptr, i64, i64 } %t516, ptr %a517
-  %t519 = load ptr, ptr %a18
-  %t520 = icmp eq ptr %t519, null
-  br i1 %t520, label %panic848, label %ok849
-panic848:
-  call void @finch_panic(ptr @.str.484, i64 211, ptr @.str.485)
+ok852:
+  %t403 = getelementptr inbounds %S.lexer.Lexer, ptr %t401, i32 0, i32 0
+  %t404 = load { ptr, i64, i64 }, ptr %t403
+  store { ptr, i64, i64 } %t404, ptr %a405
+  %t407 = load i64, ptr %a177
+  %t408 = load ptr, ptr %a18
+  %t409 = icmp eq ptr %t408, null
+  br i1 %t409, label %panic853, label %ok854
+panic853:
+  call void @finch_panic(ptr @.str.472, i64 165, ptr @.str.473)
   unreachable
-ok849:
-  %t521 = getelementptr inbounds %S.lexer.Lexer, ptr %t519, i32 0, i32 2
-  %t522 = load i64, ptr %t521
-  %t523 = load ptr, ptr %a18
-  %t524 = icmp eq ptr %t523, null
-  br i1 %t524, label %panic850, label %ok851
-panic850:
+ok854:
+  %t410 = getelementptr inbounds %S.lexer.Lexer, ptr %t408, i32 0, i32 2
+  %t411 = load i64, ptr %t410
+  call void @finch_str_sub(ptr %a406, ptr %a405, i64 %t407, i64 %t411, ptr @.str.471, i64 165)
+  %t412 = load { ptr, i64, i64 }, ptr %a406
+  store { ptr, i64, i64 } %t412, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.475, i64 1, i64 0 }, ptr %a415
+  store { ptr, i64, i64 } { ptr @.str.476, i64 0, i64 0 }, ptr %a416
+  call void @finch_str_replace(ptr %a414, ptr %a413, ptr %a415, ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a414
+  store { ptr, i64, i64 } %t412, ptr %a418
+  call void @finch_str_drop(ptr %a418)
+  %t419 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t420 = load { ptr, i64, i64 }, ptr %t419
+  store { ptr, i64, i64 } %t417, ptr %t419
+  store { ptr, i64, i64 } %t420, ptr %a421
+  call void @finch_str_drop(ptr %a421)
+  br label %endif751
+else750:
+  %t422 = load i8, ptr %a43
+  %t423 = icmp eq i8 %t422, 34
+  br label %logic.from855
+logic.from855:
+  br i1 %t423, label %logic.end857, label %logic.rhs856
+logic.rhs856:
+  %t424 = load i8, ptr %a43
+  %t425 = icmp eq i8 %t424, 39
+  br label %logic.rend858
+logic.rend858:
+  br label %logic.end857
+logic.end857:
+  %t426 = phi i1 [ true, %logic.from855 ], [ %t425, %logic.rend858 ]
+  br i1 %t426, label %then859, label %else860
+then859:
+  %t427 = load i8, ptr %a43
+  store i8 %t427, ptr %a428
+  %t429 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t430 = load { ptr, i64, i64 }, ptr %t429
+  store { ptr, i64, i64 } { ptr @.str.477, i64 6, i64 0 }, ptr %t429
+  store { ptr, i64, i64 } %t430, ptr %a431
+  call void @finch_str_drop(ptr %a431)
+  %t432 = load i8, ptr %a428
+  %t433 = icmp eq i8 %t432, 39
+  br i1 %t433, label %then862, label %endif864
+then862:
+  %t434 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  %t435 = load { ptr, i64, i64 }, ptr %t434
+  store { ptr, i64, i64 } { ptr @.str.478, i64 4, i64 0 }, ptr %t434
+  store { ptr, i64, i64 } %t435, ptr %a436
+  call void @finch_str_drop(ptr %a436)
+  br label %endif864
+endif864:
+  %t437 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t437)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a438
+  br label %while.cond865
+while.cond865:
+  %t439 = load ptr, ptr %a18
+  %t440 = call i8 @finch.lexer.peek(ptr %t439, i64 0)
+  %t441 = load i8, ptr %a428
+  %t442 = icmp ne i8 %t440, %t441
+  br i1 %t442, label %while.body866, label %while.end867
+while.body866:
+  %t443 = load ptr, ptr %a18
+  %t444 = call i8 @finch.lexer.peek(ptr %t443, i64 0)
+  %t445 = trunc i64 0 to i8
+  %t446 = icmp eq i8 %t444, %t445
+  br label %logic.from868
+logic.from868:
+  br i1 %t446, label %logic.end870, label %logic.rhs869
+logic.rhs869:
+  %t447 = load ptr, ptr %a18
+  %t448 = call i8 @finch.lexer.peek(ptr %t447, i64 0)
+  %t449 = icmp eq i8 %t448, 10
+  br label %logic.rend871
+logic.rend871:
+  br label %logic.end870
+logic.end870:
+  %t450 = phi i1 [ true, %logic.from868 ], [ %t449, %logic.rend871 ]
+  br i1 %t450, label %then872, label %endif874
+then872:
+  %t451 = load i8, ptr %a428
+  %t452 = icmp eq i8 %t451, 34
+  br i1 %t452, label %then875, label %endif877
+then875:
+  %t453 = load ptr, ptr %a18
+  %t454 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t455 = load i64, ptr %t454
+  %t456 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t457 = load i64, ptr %t456
+  call void @finch.lexer.fail(ptr %t453, i64 %t455, i64 %t457, { ptr, i64, i64 } { ptr @.str.479, i64 34, i64 0 })
+  br label %endif877
+endif877:
+  %t458 = load ptr, ptr %a18
+  %t459 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t460 = load i64, ptr %t459
+  %t461 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t462 = load i64, ptr %t461
+  call void @finch.lexer.fail(ptr %t458, i64 %t460, i64 %t462, { ptr, i64, i64 } { ptr @.str.480, i64 32, i64 0 })
+  br label %endif874
+endif874:
+  %t463 = load ptr, ptr %a18
+  %t464 = call i8 @finch.lexer.peek(ptr %t463, i64 0)
+  store i8 %t464, ptr %a465
+  %t466 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t466)
+  %t467 = load i8, ptr %a465
+  %t468 = icmp eq i8 %t467, 92
+  br i1 %t468, label %then878, label %endif880
+then878:
+  %t469 = load ptr, ptr %a18
+  %t470 = call i8 @finch.lexer.peek(ptr %t469, i64 0)
+  store i8 %t470, ptr %a471
+  %t472 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t472)
+  %t473 = load ptr, ptr %a18
+  %t474 = load i8, ptr %a471
+  %t475 = call i8 @finch.lexer.escape(ptr %t473, i8 %t474)
+  store i8 %t475, ptr %a465
+  br label %endif880
+endif880:
+  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %a438, i32 0, i32 1
+  %t477 = load i8, ptr %a465
+  call void @finch_str_from_char(ptr %a478, i8 signext %t477)
+  %t479 = load { ptr, i64, i64 }, ptr %a478
+  %t480 = load i64, ptr %t476
+  %t481 = add i64 %t480, 1
+  call void @finch_arr_reserve(ptr %a438, i64 %t481, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t482 = load ptr, ptr %a438
+  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i64 %t480
+  store { ptr, i64, i64 } %t479, ptr %t483
+  store i64 %t481, ptr %t476
+  br label %while.cond865
+while.end867:
+  %t484 = load ptr, ptr %a18
+  call void @finch.lexer.advance(ptr %t484)
+  %t485 = getelementptr inbounds { ptr, i64, i64 }, ptr %a438, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.481, i64 0, i64 0 }, ptr %a486
+  call void @finch_str_join(ptr %a487, ptr %a438, ptr %a486)
+  %t488 = load { ptr, i64, i64 }, ptr %a487
+  %t489 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t490 = load { ptr, i64, i64 }, ptr %t489
+  store { ptr, i64, i64 } %t488, ptr %t489
+  store { ptr, i64, i64 } %t490, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  %t492 = load i8, ptr %a428
+  %t493 = icmp eq i8 %t492, 39
+  br label %logic.from881
+logic.from881:
+  br i1 %t493, label %logic.rhs882, label %logic.end883
+logic.rhs882:
+  %t494 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  %t495 = getelementptr inbounds { ptr, i64, i64 }, ptr %t494, i32 0, i32 1
+  %t496 = load i64, ptr %t495
+  %t497 = icmp ne i64 %t496, 1
+  br label %logic.rend884
+logic.rend884:
+  br label %logic.end883
+logic.end883:
+  %t498 = phi i1 [ false, %logic.from881 ], [ %t497, %logic.rend884 ]
+  br i1 %t498, label %then885, label %endif887
+then885:
+  %t499 = load ptr, ptr %a18
+  %t500 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t501 = load i64, ptr %t500
+  %t502 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t503 = load i64, ptr %t502
+  call void @finch.lexer.fail(ptr %t499, i64 %t501, i64 %t503, { ptr, i64, i64 } { ptr @.str.482, i64 44, i64 0 })
+  br label %endif887
+endif887:
+  call void @finch.drop.arr_str(ptr %a438)
+  br label %endif861
+else860:
+  %t504 = load ptr, ptr %a18
+  %t505 = call { ptr, i64, i64 } @finch.lexer.operator(ptr %t504)
+  store { ptr, i64, i64 } %t505, ptr %a506
+  %t507 = getelementptr inbounds { ptr, i64, i64 }, ptr %a506, i32 0, i32 1
+  %t508 = load i64, ptr %t507
+  %t509 = icmp eq i64 %t508, 0
+  br i1 %t509, label %then888, label %endif890
+then888:
+  store i64 1, ptr %a510
+  %t511 = load i8, ptr %a43
+  %t512 = zext i8 %t511 to i64
+  %t513 = and i64 %t512, 224
+  %t514 = icmp eq i64 %t513, 192
+  br i1 %t514, label %then891, label %else892
+then891:
+  store i64 2, ptr %a510
+  br label %endif893
+else892:
+  %t515 = load i8, ptr %a43
+  %t516 = zext i8 %t515 to i64
+  %t517 = and i64 %t516, 240
+  %t518 = icmp eq i64 %t517, 224
+  br i1 %t518, label %then894, label %else895
+then894:
+  store i64 3, ptr %a510
+  br label %endif896
+else895:
+  %t519 = load i8, ptr %a43
+  %t520 = zext i8 %t519 to i64
+  %t521 = and i64 %t520, 248
+  %t522 = icmp eq i64 %t521, 240
+  br i1 %t522, label %then897, label %endif899
+then897:
+  store i64 4, ptr %a510
+  br label %endif899
+endif899:
+  br label %endif896
+endif896:
+  br label %endif893
+endif893:
+  store { ptr, i64, i64 } { ptr @.str.483, i64 0, i64 0 }, ptr %a523
+  %t524 = load i8, ptr %a43
+  %t525 = zext i8 %t524 to i64
+  %t526 = icmp sge i64 %t525, 128
+  br i1 %t526, label %then900, label %endif902
+then900:
+  %t527 = load { ptr, i64, i64 }, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.484, i64 74, i64 0 }, ptr %a523
+  store { ptr, i64, i64 } %t527, ptr %a528
+  call void @finch_str_drop(ptr %a528)
+  br label %endif902
+endif902:
+  %t529 = load ptr, ptr %a18
+  %t530 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 2
+  %t531 = load i64, ptr %t530
+  %t532 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 3
+  %t533 = load i64, ptr %t532
+  %t534 = load ptr, ptr %a18
+  %t535 = icmp eq ptr %t534, null
+  br i1 %t535, label %panic903, label %ok904
+panic903:
   call void @finch_panic(ptr @.str.486, i64 211, ptr @.str.487)
   unreachable
-ok851:
-  %t525 = getelementptr inbounds %S.lexer.Lexer, ptr %t523, i32 0, i32 2
-  %t526 = load i64, ptr %t525
-  %t527 = load i64, ptr %a491
-  %t528 = add i64 %t526, %t527
-  call void @finch_str_sub(ptr %a518, ptr %a517, i64 %t522, i64 %t528, ptr @.str.483, i64 211)
-  %t529 = load { ptr, i64, i64 }, ptr %a518
-  store { ptr, i64, i64 } { ptr @.str.480, i64 22, i64 0 }, ptr %a531
-  store { ptr, i64, i64 } %t529, ptr %a532
-  call void @finch_str_concat(ptr %a530, ptr %a531, ptr %a532)
-  %t533 = load { ptr, i64, i64 }, ptr %a530
-  store { ptr, i64, i64 } %t533, ptr %a535
-  store { ptr, i64, i64 } { ptr @.str.488, i64 1, i64 0 }, ptr %a536
-  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
-  %t537 = load { ptr, i64, i64 }, ptr %a534
-  %t538 = load { ptr, i64, i64 }, ptr %a504
-  store { ptr, i64, i64 } %t537, ptr %a540
-  store { ptr, i64, i64 } %t538, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  call void @finch.lexer.fail(ptr %t508, i64 %t510, i64 %t512, { ptr, i64, i64 } %t542)
-  br label %endif833
-endif833:
-  %t543 = getelementptr inbounds { ptr, i64, i64 }, ptr %a487, i32 0, i32 1
-  %t544 = load i64, ptr %t543
-  store i64 0, ptr %a545
-  br label %for.cond852
-for.cond852:
-  %t546 = load i64, ptr %a545
-  %t547 = icmp slt i64 %t546, %t544
-  br i1 %t547, label %for.body853, label %for.end855
-for.body853:
-  %t548 = load ptr, ptr %a18
-  call void @finch.lexer.advance(ptr %t548)
-  br label %for.step854
-for.step854:
-  %t549 = load i64, ptr %a545
-  %t550 = add i64 %t549, 1
-  store i64 %t550, ptr %a545
-  br label %for.cond852
-for.end855:
-  %t551 = load { ptr, i64, i64 }, ptr %a487
-  %t552 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
-  store { ptr, i64, i64 } %t551, ptr %a553
-  call void @finch_str_copy(ptr %a554, ptr %a553)
-  %t555 = load { ptr, i64, i64 }, ptr %a554
-  store { ptr, i64, i64 } %t555, ptr %t552
-  %t556 = load { ptr, i64, i64 }, ptr %a487
-  %t557 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
-  store { ptr, i64, i64 } %t556, ptr %a558
-  call void @finch_str_copy(ptr %a559, ptr %a558)
-  %t560 = load { ptr, i64, i64 }, ptr %a559
-  store { ptr, i64, i64 } %t560, ptr %t557
-  br label %endif804
-endif804:
-  br label %endif694
-endif694:
-  br label %endif657
-endif657:
-  %t561 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t562 = load %S.lexer.Token, ptr %a169
-  store %S.lexer.Token %t562, ptr %a563
-  call void @finch.copy.S_lexer_Token(ptr %a564, ptr %a563)
-  %t565 = load %S.lexer.Token, ptr %a564
-  %t566 = load i64, ptr %t561
-  %t567 = add i64 %t566, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t567, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
-  %t568 = load ptr, ptr %a19
-  %t569 = getelementptr inbounds %S.lexer.Token, ptr %t568, i64 %t566
-  store %S.lexer.Token %t565, ptr %t569
-  store i64 %t567, ptr %t561
-  br label %while.cond554
-while.end556:
-  %t570 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t571 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.489, i64 3, i64 0 }, 0
-  %t572 = insertvalue %S.lexer.Token %t571, { ptr, i64, i64 } { ptr @.str.490, i64 0, i64 0 }, 1
+ok904:
+  %t536 = getelementptr inbounds %S.lexer.Lexer, ptr %t534, i32 0, i32 0
+  %t537 = load { ptr, i64, i64 }, ptr %t536
+  store { ptr, i64, i64 } %t537, ptr %a538
+  %t540 = load ptr, ptr %a18
+  %t541 = icmp eq ptr %t540, null
+  br i1 %t541, label %panic905, label %ok906
+panic905:
+  call void @finch_panic(ptr @.str.489, i64 211, ptr @.str.490)
+  unreachable
+ok906:
+  %t542 = getelementptr inbounds %S.lexer.Lexer, ptr %t540, i32 0, i32 2
+  %t543 = load i64, ptr %t542
+  %t544 = load ptr, ptr %a18
+  %t545 = icmp eq ptr %t544, null
+  br i1 %t545, label %panic907, label %ok908
+panic907:
+  call void @finch_panic(ptr @.str.491, i64 211, ptr @.str.492)
+  unreachable
+ok908:
+  %t546 = getelementptr inbounds %S.lexer.Lexer, ptr %t544, i32 0, i32 2
+  %t547 = load i64, ptr %t546
+  %t548 = load i64, ptr %a510
+  %t549 = add i64 %t547, %t548
+  call void @finch_str_sub(ptr %a539, ptr %a538, i64 %t543, i64 %t549, ptr @.str.488, i64 211)
+  %t550 = load { ptr, i64, i64 }, ptr %a539
+  store { ptr, i64, i64 } { ptr @.str.485, i64 22, i64 0 }, ptr %a552
+  store { ptr, i64, i64 } %t550, ptr %a553
+  call void @finch_str_concat(ptr %a551, ptr %a552, ptr %a553)
+  store { ptr, i64, i64 } %t550, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  %t555 = load { ptr, i64, i64 }, ptr %a551
+  store { ptr, i64, i64 } %t555, ptr %a557
+  store { ptr, i64, i64 } { ptr @.str.493, i64 1, i64 0 }, ptr %a558
+  call void @finch_str_concat(ptr %a556, ptr %a557, ptr %a558)
+  store { ptr, i64, i64 } %t555, ptr %a559
+  call void @finch_str_drop(ptr %a559)
+  %t560 = load { ptr, i64, i64 }, ptr %a556
+  %t561 = load { ptr, i64, i64 }, ptr %a523
+  store { ptr, i64, i64 } %t560, ptr %a563
+  store { ptr, i64, i64 } %t561, ptr %a564
+  call void @finch_str_concat(ptr %a562, ptr %a563, ptr %a564)
+  store { ptr, i64, i64 } %t560, ptr %a565
+  call void @finch_str_drop(ptr %a565)
+  %t566 = load { ptr, i64, i64 }, ptr %a562
+  call void @finch.lexer.fail(ptr %t529, i64 %t531, i64 %t533, { ptr, i64, i64 } %t566)
+  store { ptr, i64, i64 } %t566, ptr %a567
+  call void @finch_str_drop(ptr %a567)
+  call void @finch_str_drop(ptr %a523)
+  br label %endif890
+endif890:
+  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %a506, i32 0, i32 1
+  %t569 = load i64, ptr %t568
+  store i64 0, ptr %a570
+  br label %for.cond909
+for.cond909:
+  %t571 = load i64, ptr %a570
+  %t572 = icmp slt i64 %t571, %t569
+  br i1 %t572, label %for.body910, label %for.end912
+for.body910:
   %t573 = load ptr, ptr %a18
-  %t574 = icmp eq ptr %t573, null
-  br i1 %t574, label %panic856, label %ok857
-panic856:
-  call void @finch_panic(ptr @.str.491, i64 221, ptr @.str.492)
-  unreachable
-ok857:
-  %t575 = getelementptr inbounds %S.lexer.Lexer, ptr %t573, i32 0, i32 3
-  %t576 = load i64, ptr %t575
-  %t577 = insertvalue %S.lexer.Token %t572, i64 %t576, 2
-  %t578 = load ptr, ptr %a18
-  %t579 = icmp eq ptr %t578, null
-  br i1 %t579, label %panic858, label %ok859
-panic858:
-  call void @finch_panic(ptr @.str.493, i64 221, ptr @.str.494)
-  unreachable
-ok859:
-  %t580 = getelementptr inbounds %S.lexer.Lexer, ptr %t578, i32 0, i32 4
-  %t581 = load i64, ptr %t580
-  %t582 = insertvalue %S.lexer.Token %t577, i64 %t581, 3
-  %t583 = insertvalue %S.lexer.Token %t582, i1 true, 4
-  %t584 = load i64, ptr %t570
-  %t585 = add i64 %t584, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t585, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
-  %t586 = load ptr, ptr %a19
-  %t587 = getelementptr inbounds %S.lexer.Token, ptr %t586, i64 %t584
-  store %S.lexer.Token %t583, ptr %t587
-  store i64 %t585, ptr %t570
-  %t588 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.lexer.advance(ptr %t573)
+  br label %for.step911
+for.step911:
+  %t574 = load i64, ptr %a570
+  %t575 = add i64 %t574, 1
+  store i64 %t575, ptr %a570
+  br label %for.cond909
+for.end912:
+  %t576 = load { ptr, i64, i64 }, ptr %a506
+  %t577 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 0
+  store { ptr, i64, i64 } %t576, ptr %a578
+  call void @finch_str_copy(ptr %a579, ptr %a578)
+  %t580 = load { ptr, i64, i64 }, ptr %a579
+  %t581 = load { ptr, i64, i64 }, ptr %t577
+  store { ptr, i64, i64 } %t580, ptr %t577
+  store { ptr, i64, i64 } %t581, ptr %a582
+  call void @finch_str_drop(ptr %a582)
+  %t583 = load { ptr, i64, i64 }, ptr %a506
+  %t584 = getelementptr inbounds %S.lexer.Token, ptr %a169, i32 0, i32 1
+  store { ptr, i64, i64 } %t583, ptr %a585
+  call void @finch_str_copy(ptr %a586, ptr %a585)
+  %t587 = load { ptr, i64, i64 }, ptr %a586
+  %t588 = load { ptr, i64, i64 }, ptr %t584
+  store { ptr, i64, i64 } %t587, ptr %t584
   store { ptr, i64, i64 } %t588, ptr %a589
-  call void @finch.copy.arr_S_lexer_Token(ptr %a590, ptr %a589)
-  %t591 = load { ptr, i64, i64 }, ptr %a590
-  ret { ptr, i64, i64 } %t591
+  call void @finch_str_drop(ptr %a589)
+  call void @finch_str_drop(ptr %a506)
+  br label %endif861
+endif861:
+  br label %endif751
+endif751:
+  br label %endif714
+endif714:
+  %t590 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
+  %t591 = load %S.lexer.Token, ptr %a169
+  store %S.lexer.Token %t591, ptr %a592
+  call void @finch.copy.S_lexer_Token(ptr %a593, ptr %a592)
+  %t594 = load %S.lexer.Token, ptr %a593
+  %t595 = load i64, ptr %t590
+  %t596 = add i64 %t595, 1
+  call void @finch_arr_reserve(ptr %a19, i64 %t596, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
+  %t597 = load ptr, ptr %a19
+  %t598 = getelementptr inbounds %S.lexer.Token, ptr %t597, i64 %t595
+  store %S.lexer.Token %t594, ptr %t598
+  store i64 %t596, ptr %t590
+  call void @finch.drop.S_lexer_Token(ptr %a169)
+  br label %while.cond611
+while.end613:
+  %t599 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
+  %t600 = insertvalue %S.lexer.Token zeroinitializer, { ptr, i64, i64 } { ptr @.str.494, i64 3, i64 0 }, 0
+  %t601 = insertvalue %S.lexer.Token %t600, { ptr, i64, i64 } { ptr @.str.495, i64 0, i64 0 }, 1
+  %t602 = load ptr, ptr %a18
+  %t603 = icmp eq ptr %t602, null
+  br i1 %t603, label %panic913, label %ok914
+panic913:
+  call void @finch_panic(ptr @.str.496, i64 221, ptr @.str.497)
+  unreachable
+ok914:
+  %t604 = getelementptr inbounds %S.lexer.Lexer, ptr %t602, i32 0, i32 3
+  %t605 = load i64, ptr %t604
+  %t606 = insertvalue %S.lexer.Token %t601, i64 %t605, 2
+  %t607 = load ptr, ptr %a18
+  %t608 = icmp eq ptr %t607, null
+  br i1 %t608, label %panic915, label %ok916
+panic915:
+  call void @finch_panic(ptr @.str.498, i64 221, ptr @.str.499)
+  unreachable
+ok916:
+  %t609 = getelementptr inbounds %S.lexer.Lexer, ptr %t607, i32 0, i32 4
+  %t610 = load i64, ptr %t609
+  %t611 = insertvalue %S.lexer.Token %t606, i64 %t610, 3
+  %t612 = insertvalue %S.lexer.Token %t611, i1 true, 4
+  %t613 = load i64, ptr %t599
+  %t614 = add i64 %t613, 1
+  call void @finch_arr_reserve(ptr %a19, i64 %t614, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
+  %t615 = load ptr, ptr %a19
+  %t616 = getelementptr inbounds %S.lexer.Token, ptr %t615, i64 %t613
+  store %S.lexer.Token %t612, ptr %t616
+  store i64 %t614, ptr %t599
+  %t617 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.drop.S_lexer_Lexer(ptr %a17)
+  ret { ptr, i64, i64 } %t617
 }
 
 define internal %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } %p0) {
@@ -12825,10 +14309,8 @@ entry:
   %a3 = alloca %S.ast.Type, align 16
   %a7 = alloca %S.ast.Type, align 16
   %a8 = alloca %S.ast.Type, align 16
-  %a15 = alloca %S.ast.Type, align 16
-  %a16 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
-  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.495, i64 5, i64 0 }, 0
+  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.500, i64 5, i64 0 }, 0
   store %S.ast.Type %t2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
@@ -12844,10 +14326,7 @@ entry:
   store %S.ast.Type %t9, ptr %t13
   store i64 %t11, ptr %t5
   %t14 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t14, ptr %a15
-  call void @finch.copy.S_ast_Type(ptr %a16, ptr %a15)
-  %t17 = load %S.ast.Type, ptr %a16
-  ret %S.ast.Type %t17
+  ret %S.ast.Type %t14
 }
 
 define internal %S.ast.Type @finch.ast.mapOf(%S.ast.Type %p0, %S.ast.Type %p1) {
@@ -12859,11 +14338,9 @@ entry:
   %a9 = alloca %S.ast.Type, align 16
   %a18 = alloca %S.ast.Type, align 16
   %a19 = alloca %S.ast.Type, align 16
-  %a26 = alloca %S.ast.Type, align 16
-  %a27 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
-  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.496, i64 3, i64 0 }, 0
+  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.501, i64 3, i64 0 }, 0
   store %S.ast.Type %t3, ptr %a4
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
@@ -12892,10 +14369,7 @@ entry:
   store %S.ast.Type %t20, ptr %t24
   store i64 %t22, ptr %t16
   %t25 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t25, ptr %a26
-  call void @finch.copy.S_ast_Type(ptr %a27, ptr %a26)
-  %t28 = load %S.ast.Type, ptr %a27
-  ret %S.ast.Type %t28
+  ret %S.ast.Type %t25
 }
 
 define internal %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %p0) {
@@ -12904,10 +14378,8 @@ entry:
   %a3 = alloca %S.ast.Type, align 16
   %a7 = alloca %S.ast.Type, align 16
   %a8 = alloca %S.ast.Type, align 16
-  %a15 = alloca %S.ast.Type, align 16
-  %a16 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
-  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.497, i64 3, i64 0 }, 0
+  %t2 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.502, i64 3, i64 0 }, 0
   store %S.ast.Type %t2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
@@ -12923,10 +14395,7 @@ entry:
   store %S.ast.Type %t9, ptr %t13
   store i64 %t11, ptr %t5
   %t14 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t14, ptr %a15
-  call void @finch.copy.S_ast_Type(ptr %a16, ptr %a15)
-  %t17 = load %S.ast.Type, ptr %a16
-  ret %S.ast.Type %t17
+  ret %S.ast.Type %t14
 }
 
 define internal i1 @finch.ast.same(%S.ast.Type %p0, %S.ast.Type %p1) {
@@ -12966,48 +14435,48 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp eq i32 %t9, 0
-  br i1 %t10, label %then863, label %endif865
-then863:
+  br i1 %t10, label %then917, label %endif919
+then917:
   ret i1 false
-endif865:
+endif919:
   %t11 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.498, i64 6, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.503, i64 6, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from866
-logic.from866:
-  br i1 %t16, label %logic.end868, label %logic.rhs867
-logic.rhs867:
+  br label %logic.from920
+logic.from920:
+  br i1 %t16, label %logic.end922, label %logic.rhs921
+logic.rhs921:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.499, i64 5, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.504, i64 5, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.rend869
-logic.rend869:
-  br label %logic.end868
-logic.end868:
-  %t23 = phi i1 [ true, %logic.from866 ], [ %t22, %logic.rend869 ]
-  br label %logic.from870
-logic.from870:
-  br i1 %t23, label %logic.end872, label %logic.rhs871
-logic.rhs871:
+  br label %logic.rend923
+logic.rend923:
+  br label %logic.end922
+logic.end922:
+  %t23 = phi i1 [ true, %logic.from920 ], [ %t22, %logic.rend923 ]
+  br label %logic.from924
+logic.from924:
+  br i1 %t23, label %logic.end926, label %logic.rhs925
+logic.rhs925:
   %t24 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t25 = load { ptr, i64, i64 }, ptr %t24
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.500, i64 4, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.505, i64 4, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend873
-logic.rend873:
-  br label %logic.end872
-logic.end872:
-  %t30 = phi i1 [ true, %logic.from870 ], [ %t29, %logic.rend873 ]
-  br i1 %t30, label %then874, label %endif876
-then874:
+  br label %logic.rend927
+logic.rend927:
+  br label %logic.end926
+logic.end926:
+  %t30 = phi i1 [ true, %logic.from924 ], [ %t29, %logic.rend927 ]
+  br i1 %t30, label %then928, label %endif930
+then928:
   %t31 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
   %t32 = load { ptr, i64, i64 }, ptr %t31
   %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
@@ -13016,10 +14485,10 @@ then874:
   store { ptr, i64, i64 } %t34, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.from877
-logic.from877:
-  br i1 %t38, label %logic.rhs878, label %logic.end879
-logic.rhs878:
+  br label %logic.from931
+logic.from931:
+  br i1 %t38, label %logic.rhs932, label %logic.end933
+logic.rhs932:
   %t39 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
   %t40 = load { ptr, i64, i64 }, ptr %t39
   %t41 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
@@ -13028,90 +14497,90 @@ logic.rhs878:
   store { ptr, i64, i64 } %t42, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend880
-logic.rend880:
-  br label %logic.end879
-logic.end879:
-  %t47 = phi i1 [ false, %logic.from877 ], [ %t46, %logic.rend880 ]
+  br label %logic.rend934
+logic.rend934:
+  br label %logic.end933
+logic.end933:
+  %t47 = phi i1 [ false, %logic.from931 ], [ %t46, %logic.rend934 ]
   ret i1 %t47
-endif876:
+endif930:
   %t48 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t49 = load { ptr, i64, i64 }, ptr %t48
   store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.501, i64 5, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.506, i64 5, i64 0 }, ptr %a51
   %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
   %t53 = icmp ne i32 %t52, 0
-  br label %logic.from881
-logic.from881:
-  br i1 %t53, label %logic.rhs882, label %logic.end883
-logic.rhs882:
+  br label %logic.from935
+logic.from935:
+  br i1 %t53, label %logic.rhs936, label %logic.end937
+logic.rhs936:
   %t54 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 4
   %t55 = load i64, ptr %t54
   %t56 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
   %t57 = load i64, ptr %t56
   %t58 = icmp ne i64 %t55, %t57
-  br label %logic.rend884
-logic.rend884:
-  br label %logic.end883
-logic.end883:
-  %t59 = phi i1 [ false, %logic.from881 ], [ %t58, %logic.rend884 ]
-  br i1 %t59, label %then885, label %endif887
-then885:
+  br label %logic.rend938
+logic.rend938:
+  br label %logic.end937
+logic.end937:
+  %t59 = phi i1 [ false, %logic.from935 ], [ %t58, %logic.rend938 ]
+  br i1 %t59, label %then939, label %endif941
+then939:
   ret i1 false
-endif887:
+endif941:
   %t60 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t61 = load { ptr, i64, i64 }, ptr %t60
   store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.502, i64 5, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.507, i64 5, i64 0 }, ptr %a63
   %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
   %t65 = icmp ne i32 %t64, 0
-  br label %logic.from888
-logic.from888:
-  br i1 %t65, label %logic.end890, label %logic.rhs889
-logic.rhs889:
+  br label %logic.from942
+logic.from942:
+  br i1 %t65, label %logic.end944, label %logic.rhs943
+logic.rhs943:
   %t66 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t67 = load { ptr, i64, i64 }, ptr %t66
   store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.503, i64 3, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.508, i64 3, i64 0 }, ptr %a69
   %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
   %t71 = icmp ne i32 %t70, 0
-  br label %logic.rend891
-logic.rend891:
-  br label %logic.end890
-logic.end890:
-  %t72 = phi i1 [ true, %logic.from888 ], [ %t71, %logic.rend891 ]
-  br label %logic.from892
-logic.from892:
-  br i1 %t72, label %logic.end894, label %logic.rhs893
-logic.rhs893:
+  br label %logic.rend945
+logic.rend945:
+  br label %logic.end944
+logic.end944:
+  %t72 = phi i1 [ true, %logic.from942 ], [ %t71, %logic.rend945 ]
+  br label %logic.from946
+logic.from946:
+  br i1 %t72, label %logic.end948, label %logic.rhs947
+logic.rhs947:
   %t73 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t74 = load { ptr, i64, i64 }, ptr %t73
   store { ptr, i64, i64 } %t74, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.504, i64 3, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.509, i64 3, i64 0 }, ptr %a76
   %t77 = call i32 @finch_str_eq(ptr %a75, ptr %a76)
   %t78 = icmp ne i32 %t77, 0
-  br label %logic.rend895
-logic.rend895:
-  br label %logic.end894
-logic.end894:
-  %t79 = phi i1 [ true, %logic.from892 ], [ %t78, %logic.rend895 ]
-  br label %logic.from896
-logic.from896:
-  br i1 %t79, label %logic.end898, label %logic.rhs897
-logic.rhs897:
+  br label %logic.rend949
+logic.rend949:
+  br label %logic.end948
+logic.end948:
+  %t79 = phi i1 [ true, %logic.from946 ], [ %t78, %logic.rend949 ]
+  br label %logic.from950
+logic.from950:
+  br i1 %t79, label %logic.end952, label %logic.rhs951
+logic.rhs951:
   %t80 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t81 = load { ptr, i64, i64 }, ptr %t80
   store { ptr, i64, i64 } %t81, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.505, i64 5, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.510, i64 5, i64 0 }, ptr %a83
   %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
   %t85 = icmp ne i32 %t84, 0
-  br label %logic.rend899
-logic.rend899:
-  br label %logic.end898
-logic.end898:
-  %t86 = phi i1 [ true, %logic.from896 ], [ %t85, %logic.rend899 ]
-  br i1 %t86, label %then900, label %endif902
-then900:
+  br label %logic.rend953
+logic.rend953:
+  br label %logic.end952
+logic.end952:
+  %t86 = phi i1 [ true, %logic.from950 ], [ %t85, %logic.rend953 ]
+  br i1 %t86, label %then954, label %endif956
+then954:
   %t87 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
   %t89 = load i64, ptr %t88
@@ -13119,30 +14588,30 @@ then900:
   %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i32 0, i32 1
   %t92 = load i64, ptr %t91
   %t93 = icmp ne i64 %t89, %t92
-  br i1 %t93, label %then903, label %endif905
-then903:
+  br i1 %t93, label %then957, label %endif959
+then957:
   ret i1 false
-endif905:
+endif959:
   %t94 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
   %t96 = load i64, ptr %t95
   store i64 0, ptr %a97
-  br label %for.cond906
-for.cond906:
+  br label %for.cond960
+for.cond960:
   %t98 = load i64, ptr %a97
   %t99 = icmp slt i64 %t98, %t96
-  br i1 %t99, label %for.body907, label %for.end909
-for.body907:
+  br i1 %t99, label %for.body961, label %for.end963
+for.body961:
   %t100 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t101 = load i64, ptr %a97
   %t102 = load { ptr, i64, i64 }, ptr %t100
   %t103 = extractvalue { ptr, i64, i64 } %t102, 1
   %t104 = icmp uge i64 %t101, %t103
-  br i1 %t104, label %range910, label %inrange911
-range910:
-  call void @finch_panic_index(ptr @.str.506, i64 54, i64 %t101, i64 %t103)
+  br i1 %t104, label %range964, label %inrange965
+range964:
+  call void @finch_panic_index(ptr @.str.511, i64 54, i64 %t101, i64 %t103)
   unreachable
-inrange911:
+inrange965:
   %t105 = extractvalue { ptr, i64, i64 } %t102, 0
   %t106 = getelementptr inbounds %S.ast.Type, ptr %t105, i64 %t101
   %t107 = load %S.ast.Type, ptr %t106
@@ -13151,29 +14620,29 @@ inrange911:
   %t110 = load { ptr, i64, i64 }, ptr %t108
   %t111 = extractvalue { ptr, i64, i64 } %t110, 1
   %t112 = icmp uge i64 %t109, %t111
-  br i1 %t112, label %range912, label %inrange913
-range912:
-  call void @finch_panic_index(ptr @.str.507, i64 54, i64 %t109, i64 %t111)
+  br i1 %t112, label %range966, label %inrange967
+range966:
+  call void @finch_panic_index(ptr @.str.512, i64 54, i64 %t109, i64 %t111)
   unreachable
-inrange913:
+inrange967:
   %t113 = extractvalue { ptr, i64, i64 } %t110, 0
   %t114 = getelementptr inbounds %S.ast.Type, ptr %t113, i64 %t109
   %t115 = load %S.ast.Type, ptr %t114
   %t116 = call i1 @finch.ast.same(%S.ast.Type %t107, %S.ast.Type %t115)
   %t117 = xor i1 %t116, true
-  br i1 %t117, label %then914, label %endif916
-then914:
+  br i1 %t117, label %then968, label %endif970
+then968:
   ret i1 false
-endif916:
-  br label %for.step908
-for.step908:
+endif970:
+  br label %for.step962
+for.step962:
   %t118 = load i64, ptr %a97
   %t119 = add i64 %t118, 1
   store i64 %t119, ptr %a97
-  br label %for.cond906
-for.end909:
+  br label %for.cond960
+for.end963:
   ret i1 true
-endif902:
+endif956:
   ret i1 true
 }
 
@@ -13185,290 +14654,326 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   store %S.ast.Type %p0, ptr %a1
   %t2 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.508, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.513, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then917, label %endif919
-then917:
+  br i1 %t7, label %then971, label %endif973
+then971:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 0, %t10
-  br i1 %t11, label %range920, label %inrange921
-range920:
-  call void @finch_panic_index(ptr @.str.510, i64 65, i64 0, i64 %t10)
+  br i1 %t11, label %range974, label %inrange975
+range974:
+  call void @finch_panic_index(ptr @.str.515, i64 65, i64 0, i64 %t10)
   unreachable
-inrange921:
+inrange975:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.ast.Type, ptr %t12, i64 0
   %t14 = load %S.ast.Type, ptr %t13
   %t15 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t14)
-  store { ptr, i64, i64 } { ptr @.str.509, i64 2, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.514, i64 2, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  ret { ptr, i64, i64 } %t19
-endif919:
-  %t20 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t21 = load { ptr, i64, i64 }, ptr %t20
-  store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.511, i64 5, i64 0 }, ptr %a23
-  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
-  %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then922, label %endif924
-then922:
-  %t26 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 4
-  %t27 = load i64, ptr %t26
-  call void @finch_str_from_int(ptr %a28, i64 %t27)
-  %t29 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.512, i64 1, i64 0 }, ptr %a31
-  store { ptr, i64, i64 } %t29, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t33, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.513, i64 1, i64 0 }, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  %t38 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = icmp uge i64 0, %t40
-  br i1 %t41, label %range925, label %inrange926
-range925:
-  call void @finch_panic_index(ptr @.str.514, i64 68, i64 0, i64 %t40)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  ret { ptr, i64, i64 } %t20
+endif973:
+  %t21 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t22 = load { ptr, i64, i64 }, ptr %t21
+  store { ptr, i64, i64 } %t22, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.516, i64 5, i64 0 }, ptr %a24
+  %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
+  %t26 = icmp ne i32 %t25, 0
+  br i1 %t26, label %then976, label %endif978
+then976:
+  %t27 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 4
+  %t28 = load i64, ptr %t27
+  call void @finch_str_from_int(ptr %a29, i64 %t28)
+  %t30 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.517, i64 1, i64 0 }, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.518, i64 1, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
+  %t44 = icmp uge i64 0, %t43
+  br i1 %t44, label %range979, label %inrange980
+range979:
+  call void @finch_panic_index(ptr @.str.519, i64 68, i64 0, i64 %t43)
   unreachable
-inrange926:
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = getelementptr inbounds %S.ast.Type, ptr %t42, i64 0
-  %t44 = load %S.ast.Type, ptr %t43
-  %t45 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t44)
-  store { ptr, i64, i64 } %t37, ptr %a47
-  store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  ret { ptr, i64, i64 } %t49
-endif924:
-  %t50 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t51 = load { ptr, i64, i64 }, ptr %t50
-  store { ptr, i64, i64 } %t51, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.515, i64 3, i64 0 }, ptr %a53
-  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
-  %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %then927, label %endif929
-then927:
-  %t56 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t57 = load { ptr, i64, i64 }, ptr %t56
-  %t58 = extractvalue { ptr, i64, i64 } %t57, 1
-  %t59 = icmp uge i64 0, %t58
-  br i1 %t59, label %range930, label %inrange931
-range930:
-  call void @finch_panic_index(ptr @.str.517, i64 71, i64 0, i64 %t58)
+inrange980:
+  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
+  %t46 = getelementptr inbounds %S.ast.Type, ptr %t45, i64 0
+  %t47 = load %S.ast.Type, ptr %t46
+  %t48 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t47)
+  store { ptr, i64, i64 } %t40, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t40, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  ret { ptr, i64, i64 } %t54
+endif978:
+  %t55 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t56 = load { ptr, i64, i64 }, ptr %t55
+  store { ptr, i64, i64 } %t56, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.520, i64 3, i64 0 }, ptr %a58
+  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
+  %t60 = icmp ne i32 %t59, 0
+  br i1 %t60, label %then981, label %endif983
+then981:
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  %t63 = extractvalue { ptr, i64, i64 } %t62, 1
+  %t64 = icmp uge i64 0, %t63
+  br i1 %t64, label %range984, label %inrange985
+range984:
+  call void @finch_panic_index(ptr @.str.522, i64 71, i64 0, i64 %t63)
   unreachable
-inrange931:
-  %t60 = extractvalue { ptr, i64, i64 } %t57, 0
-  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i64 0
-  %t62 = load %S.ast.Type, ptr %t61
-  %t63 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t62)
-  store { ptr, i64, i64 } { ptr @.str.516, i64 4, i64 0 }, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.518, i64 1, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
-  %t75 = icmp uge i64 1, %t74
-  br i1 %t75, label %range932, label %inrange933
-range932:
-  call void @finch_panic_index(ptr @.str.519, i64 71, i64 1, i64 %t74)
+inrange985:
+  %t65 = extractvalue { ptr, i64, i64 } %t62, 0
+  %t66 = getelementptr inbounds %S.ast.Type, ptr %t65, i64 0
+  %t67 = load %S.ast.Type, ptr %t66
+  %t68 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t67)
+  store { ptr, i64, i64 } { ptr @.str.521, i64 4, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t73, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.523, i64 1, i64 0 }, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  %t81 = extractvalue { ptr, i64, i64 } %t80, 1
+  %t82 = icmp uge i64 1, %t81
+  br i1 %t82, label %range986, label %inrange987
+range986:
+  call void @finch_panic_index(ptr @.str.524, i64 71, i64 1, i64 %t81)
   unreachable
-inrange933:
-  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
-  %t77 = getelementptr inbounds %S.ast.Type, ptr %t76, i64 1
-  %t78 = load %S.ast.Type, ptr %t77
-  %t79 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t78)
-  store { ptr, i64, i64 } %t71, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  ret { ptr, i64, i64 } %t83
-endif929:
-  %t84 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } %t85, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.520, i64 3, i64 0 }, ptr %a87
-  %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
-  %t89 = icmp ne i32 %t88, 0
-  br i1 %t89, label %then934, label %endif936
-then934:
-  %t90 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i32 0, i32 1
-  %t92 = load i64, ptr %t91
-  %t93 = icmp eq i64 %t92, 0
-  br i1 %t93, label %then937, label %endif939
-then937:
-  ret { ptr, i64, i64 } { ptr @.str.521, i64 3, i64 0 }
-endif939:
-  %t94 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
-  %t97 = icmp uge i64 0, %t96
-  br i1 %t97, label %range940, label %inrange941
-range940:
-  call void @finch_panic_index(ptr @.str.523, i64 77, i64 0, i64 %t96)
+inrange987:
+  %t83 = extractvalue { ptr, i64, i64 } %t80, 0
+  %t84 = getelementptr inbounds %S.ast.Type, ptr %t83, i64 1
+  %t85 = load %S.ast.Type, ptr %t84
+  %t86 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t85)
+  store { ptr, i64, i64 } %t78, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t78, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  store { ptr, i64, i64 } %t86, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a87
+  ret { ptr, i64, i64 } %t92
+endif983:
+  %t93 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t94 = load { ptr, i64, i64 }, ptr %t93
+  store { ptr, i64, i64 } %t94, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.525, i64 3, i64 0 }, ptr %a96
+  %t97 = call i32 @finch_str_eq(ptr %a95, ptr %a96)
+  %t98 = icmp ne i32 %t97, 0
+  br i1 %t98, label %then988, label %endif990
+then988:
+  %t99 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i32 0, i32 1
+  %t101 = load i64, ptr %t100
+  %t102 = icmp eq i64 %t101, 0
+  br i1 %t102, label %then991, label %endif993
+then991:
+  ret { ptr, i64, i64 } { ptr @.str.526, i64 3, i64 0 }
+endif993:
+  %t103 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  %t105 = extractvalue { ptr, i64, i64 } %t104, 1
+  %t106 = icmp uge i64 0, %t105
+  br i1 %t106, label %range994, label %inrange995
+range994:
+  call void @finch_panic_index(ptr @.str.528, i64 77, i64 0, i64 %t105)
   unreachable
-inrange941:
-  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
-  %t99 = getelementptr inbounds %S.ast.Type, ptr %t98, i64 0
-  %t100 = load %S.ast.Type, ptr %t99
-  %t101 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t100)
-  store { ptr, i64, i64 } { ptr @.str.522, i64 4, i64 0 }, ptr %a103
-  store { ptr, i64, i64 } %t101, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t105, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.524, i64 1, i64 0 }, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  ret { ptr, i64, i64 } %t109
-endif936:
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.525, i64 6, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br label %logic.from942
-logic.from942:
-  br i1 %t115, label %logic.end944, label %logic.rhs943
-logic.rhs943:
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.526, i64 5, i64 0 }, ptr %a119
-  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
-  %t121 = icmp ne i32 %t120, 0
-  br label %logic.rend945
-logic.rend945:
-  br label %logic.end944
-logic.end944:
-  %t122 = phi i1 [ true, %logic.from942 ], [ %t121, %logic.rend945 ]
-  br label %logic.from946
-logic.from946:
-  br i1 %t122, label %logic.end948, label %logic.rhs947
-logic.rhs947:
-  %t123 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t124 = load { ptr, i64, i64 }, ptr %t123
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.527, i64 4, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br label %logic.rend949
-logic.rend949:
-  br label %logic.end948
-logic.end948:
-  %t129 = phi i1 [ true, %logic.from946 ], [ %t128, %logic.rend949 ]
-  br i1 %t129, label %then950, label %endif952
-then950:
-  %t130 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  %t133 = icmp sgt i64 %t132, 0
-  br i1 %t133, label %then953, label %endif955
-then953:
-  %t134 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+inrange995:
+  %t107 = extractvalue { ptr, i64, i64 } %t104, 0
+  %t108 = getelementptr inbounds %S.ast.Type, ptr %t107, i64 0
+  %t109 = load %S.ast.Type, ptr %t108
+  %t110 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t109)
+  store { ptr, i64, i64 } { ptr @.str.527, i64 4, i64 0 }, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t110, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  store { ptr, i64, i64 } %t115, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.529, i64 1, i64 0 }, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a116
+  ret { ptr, i64, i64 } %t120
+endif990:
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t122, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.530, i64 6, i64 0 }, ptr %a124
+  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
+  %t126 = icmp ne i32 %t125, 0
+  br label %logic.from996
+logic.from996:
+  br i1 %t126, label %logic.end998, label %logic.rhs997
+logic.rhs997:
+  %t127 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a129
+  store { ptr, i64, i64 } { ptr @.str.531, i64 5, i64 0 }, ptr %a130
+  %t131 = call i32 @finch_str_eq(ptr %a129, ptr %a130)
+  %t132 = icmp ne i32 %t131, 0
+  br label %logic.rend999
+logic.rend999:
+  br label %logic.end998
+logic.end998:
+  %t133 = phi i1 [ true, %logic.from996 ], [ %t132, %logic.rend999 ]
+  br label %logic.from1000
+logic.from1000:
+  br i1 %t133, label %logic.end1002, label %logic.rhs1001
+logic.rhs1001:
+  %t134 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t135 = load { ptr, i64, i64 }, ptr %t134
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.528, i64 1, i64 0 }, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t139, ptr %a143
-  store { ptr, i64, i64 } %t141, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  ret { ptr, i64, i64 } %t145
-endif955:
-  %t146 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t147 = load { ptr, i64, i64 }, ptr %t146
-  store { ptr, i64, i64 } %t147, ptr %a148
-  call void @finch_str_copy(ptr %a149, ptr %a148)
-  %t150 = load { ptr, i64, i64 }, ptr %a149
-  ret { ptr, i64, i64 } %t150
-endif952:
-  %t151 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  store { ptr, i64, i64 } %t135, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.532, i64 4, i64 0 }, ptr %a137
+  %t138 = call i32 @finch_str_eq(ptr %a136, ptr %a137)
+  %t139 = icmp ne i32 %t138, 0
+  br label %logic.rend1003
+logic.rend1003:
+  br label %logic.end1002
+logic.end1002:
+  %t140 = phi i1 [ true, %logic.from1000 ], [ %t139, %logic.rend1003 ]
+  br i1 %t140, label %then1004, label %endif1006
+then1004:
+  %t141 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i32 0, i32 1
+  %t143 = load i64, ptr %t142
+  %t144 = icmp sgt i64 %t143, 0
+  br i1 %t144, label %then1007, label %endif1009
+then1007:
+  %t145 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t146 = load { ptr, i64, i64 }, ptr %t145
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.533, i64 1, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a147
+  %t151 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
   %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.529, i64 4, i64 0 }, ptr %a154
-  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
-  %t156 = icmp ne i32 %t155, 0
-  br i1 %t156, label %then956, label %endif958
-then956:
-  ret { ptr, i64, i64 } { ptr @.str.530, i64 7, i64 0 }
-endif958:
-  %t157 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t158 = load { ptr, i64, i64 }, ptr %t157
-  store { ptr, i64, i64 } %t158, ptr %a159
-  call void @finch_str_copy(ptr %a160, ptr %a159)
-  %t161 = load { ptr, i64, i64 }, ptr %a160
-  ret { ptr, i64, i64 } %t161
+  store { ptr, i64, i64 } %t150, ptr %a154
+  store { ptr, i64, i64 } %t152, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t150, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  ret { ptr, i64, i64 } %t157
+endif1009:
+  %t158 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t159, ptr %a160
+  call void @finch_str_copy(ptr %a161, ptr %a160)
+  %t162 = load { ptr, i64, i64 }, ptr %a161
+  ret { ptr, i64, i64 } %t162
+endif1006:
+  %t163 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t164 = load { ptr, i64, i64 }, ptr %t163
+  store { ptr, i64, i64 } %t164, ptr %a165
+  store { ptr, i64, i64 } { ptr @.str.534, i64 4, i64 0 }, ptr %a166
+  %t167 = call i32 @finch_str_eq(ptr %a165, ptr %a166)
+  %t168 = icmp ne i32 %t167, 0
+  br i1 %t168, label %then1010, label %endif1012
+then1010:
+  ret { ptr, i64, i64 } { ptr @.str.535, i64 7, i64 0 }
+endif1012:
+  %t169 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_copy(ptr %a172, ptr %a171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  ret { ptr, i64, i64 } %t173
 }
 
 define internal void @finch.parser.fail(ptr %p0, %S.lexer.Token %p1, { ptr, i64, i64 } %p2) {
@@ -13483,33 +14988,41 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.lexer.Token %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic959, label %ok960
-panic959:
-  call void @finch_panic(ptr @.str.531, i64 14, ptr @.str.532)
+  br i1 %t5, label %panic1013, label %ok1014
+panic1013:
+  call void @finch_panic(ptr @.str.536, i64 14, ptr @.str.537)
   unreachable
-ok960:
+ok1014:
   %t6 = getelementptr inbounds %S.parser.Parser, ptr %t4, i32 0, i32 4
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.533, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.538, i64 1, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   %t12 = getelementptr inbounds %S.lexer.Token, ptr %a2, i32 0, i32 2
@@ -13519,38 +15032,54 @@ ok960:
   store { ptr, i64, i64 } %t11, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.534, i64 1, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = getelementptr inbounds %S.lexer.Token, ptr %a2, i32 0, i32 3
-  %t25 = load i64, ptr %t24
-  call void @finch_str_from_int(ptr %a26, i64 %t25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t23, ptr %a29
-  store { ptr, i64, i64 } %t27, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.535, i64 9, i64 0 }, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t35, ptr %a38
-  store { ptr, i64, i64 } %t36, ptr %a39
+  store { ptr, i64, i64 } %t11, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.539, i64 1, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = getelementptr inbounds %S.lexer.Token, ptr %a2, i32 0, i32 3
+  %t28 = load i64, ptr %t27
+  call void @finch_str_from_int(ptr %a29, i64 %t28)
+  %t30 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } %t26, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t26, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  store { ptr, i64, i64 } %t30, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t36, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.540, i64 9, i64 0 }, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = trunc i64 %t41 to i32
-  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
-  %t44 = icmp eq ptr %t43, null
-  %t45 = select i1 %t44, ptr @.str.536, ptr %t43
-  %t46 = call i32 (ptr, ...) @printf(ptr @.str.537, i32 %t42, ptr %t45)
-  %t47 = call i32 (ptr, ...) @printf(ptr @.str.538)
-  %t48 = trunc i64 1 to i32
-  %t49 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t48)
+  store { ptr, i64, i64 } %t36, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  %t42 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t41, ptr %a44
+  store { ptr, i64, i64 } %t42, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = extractvalue { ptr, i64, i64 } %t47, 1
+  %t49 = trunc i64 %t48 to i32
+  %t50 = extractvalue { ptr, i64, i64 } %t47, 0
+  %t51 = icmp eq ptr %t50, null
+  %t52 = select i1 %t51, ptr @.str.541, ptr %t50
+  %t53 = call i32 (ptr, ...) @printf(ptr @.str.542, i32 %t49, ptr %t52)
+  store { ptr, i64, i64 } %t47, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = call i32 (ptr, ...) @printf(ptr @.str.543)
+  %t56 = trunc i64 1 to i32
+  %t57 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t56)
   ret void
 }
 
@@ -13562,29 +15091,29 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic961, label %ok962
-panic961:
-  call void @finch_panic(ptr @.str.539, i64 19, ptr @.str.540)
+  br i1 %t3, label %panic1015, label %ok1016
+panic1015:
+  call void @finch_panic(ptr @.str.544, i64 19, ptr @.str.545)
   unreachable
-ok962:
+ok1016:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic963, label %ok964
-panic963:
-  call void @finch_panic(ptr @.str.541, i64 19, ptr @.str.542)
+  br i1 %t6, label %panic1017, label %ok1018
+panic1017:
+  call void @finch_panic(ptr @.str.546, i64 19, ptr @.str.547)
   unreachable
-ok964:
+ok1018:
   %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range965, label %inrange966
-range965:
-  call void @finch_panic_index(ptr @.str.543, i64 19, i64 %t8, i64 %t10)
+  br i1 %t11, label %range1019, label %inrange1020
+range1019:
+  call void @finch_panic_index(ptr @.str.548, i64 19, i64 %t8, i64 %t10)
   unreachable
-inrange966:
+inrange1020:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.lexer.Token, ptr %t12, i64 %t8
   %t14 = load %S.lexer.Token, ptr %t13
@@ -13602,29 +15131,29 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic967, label %ok968
-panic967:
-  call void @finch_panic(ptr @.str.544, i64 23, ptr @.str.545)
+  br i1 %t3, label %panic1021, label %ok1022
+panic1021:
+  call void @finch_panic(ptr @.str.549, i64 23, ptr @.str.550)
   unreachable
-ok968:
+ok1022:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic969, label %ok970
-panic969:
-  call void @finch_panic(ptr @.str.546, i64 23, ptr @.str.547)
+  br i1 %t6, label %panic1023, label %ok1024
+panic1023:
+  call void @finch_panic(ptr @.str.551, i64 23, ptr @.str.552)
   unreachable
-ok970:
+ok1024:
   %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range971, label %inrange972
-range971:
-  call void @finch_panic_index(ptr @.str.548, i64 23, i64 %t8, i64 %t10)
+  br i1 %t11, label %range1025, label %inrange1026
+range1025:
+  call void @finch_panic_index(ptr @.str.553, i64 23, i64 %t8, i64 %t10)
   unreachable
-inrange972:
+inrange1026:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.lexer.Token, ptr %t12, i64 %t8
   %t14 = getelementptr inbounds %S.lexer.Token, ptr %t13, i32 0, i32 0
@@ -13646,11 +15175,11 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic973, label %ok974
-panic973:
-  call void @finch_panic(ptr @.str.549, i64 27, ptr @.str.550)
+  br i1 %t4, label %panic1027, label %ok1028
+panic1027:
+  call void @finch_panic(ptr @.str.554, i64 27, ptr @.str.555)
   unreachable
-ok974:
+ok1028:
   %t5 = getelementptr inbounds %S.parser.Parser, ptr %t3, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = load i64, ptr %a2
@@ -13659,48 +15188,48 @@ ok974:
   %t10 = load i64, ptr %a9
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic975, label %ok976
-panic975:
-  call void @finch_panic(ptr @.str.551, i64 28, ptr @.str.552)
+  br i1 %t12, label %panic1029, label %ok1030
+panic1029:
+  call void @finch_panic(ptr @.str.556, i64 28, ptr @.str.557)
   unreachable
-ok976:
+ok1030:
   %t13 = getelementptr inbounds %S.parser.Parser, ptr %t11, i32 0, i32 0
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = icmp sge i64 %t10, %t15
-  br i1 %t16, label %then977, label %endif979
-then977:
+  br i1 %t16, label %then1031, label %endif1033
+then1031:
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic980, label %ok981
-panic980:
-  call void @finch_panic(ptr @.str.553, i64 29, ptr @.str.554)
+  br i1 %t18, label %panic1034, label %ok1035
+panic1034:
+  call void @finch_panic(ptr @.str.558, i64 29, ptr @.str.559)
   unreachable
-ok981:
+ok1035:
   %t19 = getelementptr inbounds %S.parser.Parser, ptr %t17, i32 0, i32 0
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t19, i32 0, i32 1
   %t21 = load i64, ptr %t20
   %t22 = sub i64 %t21, 1
   store i64 %t22, ptr %a9
-  br label %endif979
-endif979:
+  br label %endif1033
+endif1033:
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic982, label %ok983
-panic982:
-  call void @finch_panic(ptr @.str.555, i64 31, ptr @.str.556)
+  br i1 %t24, label %panic1036, label %ok1037
+panic1036:
+  call void @finch_panic(ptr @.str.560, i64 31, ptr @.str.561)
   unreachable
-ok983:
+ok1037:
   %t25 = getelementptr inbounds %S.parser.Parser, ptr %t23, i32 0, i32 0
   %t26 = load i64, ptr %a9
   %t27 = load { ptr, i64, i64 }, ptr %t25
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 %t26, %t28
-  br i1 %t29, label %range984, label %inrange985
-range984:
-  call void @finch_panic_index(ptr @.str.557, i64 31, i64 %t26, i64 %t28)
+  br i1 %t29, label %range1038, label %inrange1039
+range1038:
+  call void @finch_panic_index(ptr @.str.562, i64 31, i64 %t26, i64 %t28)
   unreachable
-inrange985:
+inrange1039:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.lexer.Token, ptr %t30, i64 %t26
   %t32 = getelementptr inbounds %S.lexer.Token, ptr %t31, i32 0, i32 0
@@ -13721,29 +15250,29 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic986, label %ok987
-panic986:
-  call void @finch_panic(ptr @.str.558, i64 35, ptr @.str.559)
+  br i1 %t4, label %panic1040, label %ok1041
+panic1040:
+  call void @finch_panic(ptr @.str.563, i64 35, ptr @.str.564)
   unreachable
-ok987:
+ok1041:
   %t5 = getelementptr inbounds %S.parser.Parser, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic988, label %ok989
-panic988:
-  call void @finch_panic(ptr @.str.560, i64 35, ptr @.str.561)
+  br i1 %t7, label %panic1042, label %ok1043
+panic1042:
+  call void @finch_panic(ptr @.str.565, i64 35, ptr @.str.566)
   unreachable
-ok989:
+ok1043:
   %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load { ptr, i64, i64 }, ptr %t5
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range990, label %inrange991
-range990:
-  call void @finch_panic_index(ptr @.str.562, i64 35, i64 %t9, i64 %t11)
+  br i1 %t12, label %range1044, label %inrange1045
+range1044:
+  call void @finch_panic_index(ptr @.str.567, i64 35, i64 %t9, i64 %t11)
   unreachable
-inrange991:
+inrange1045:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.lexer.Token, ptr %t13, i64 %t9
   %t15 = getelementptr inbounds %S.lexer.Token, ptr %t14, i32 0, i32 0
@@ -13762,34 +15291,32 @@ entry:
   %a15 = alloca %S.lexer.Token, align 16
   %a16 = alloca %S.lexer.Token, align 16
   %a18 = alloca %S.lexer.Token, align 16
-  %a25 = alloca %S.lexer.Token, align 16
-  %a26 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic992, label %ok993
-panic992:
-  call void @finch_panic(ptr @.str.563, i64 39, ptr @.str.564)
+  br i1 %t3, label %panic1046, label %ok1047
+panic1046:
+  call void @finch_panic(ptr @.str.568, i64 39, ptr @.str.569)
   unreachable
-ok993:
+ok1047:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 0
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic994, label %ok995
-panic994:
-  call void @finch_panic(ptr @.str.565, i64 39, ptr @.str.566)
+  br i1 %t6, label %panic1048, label %ok1049
+panic1048:
+  call void @finch_panic(ptr @.str.570, i64 39, ptr @.str.571)
   unreachable
-ok995:
+ok1049:
   %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load { ptr, i64, i64 }, ptr %t4
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range996, label %inrange997
-range996:
-  call void @finch_panic_index(ptr @.str.567, i64 39, i64 %t8, i64 %t10)
+  br i1 %t11, label %range1050, label %inrange1051
+range1050:
+  call void @finch_panic_index(ptr @.str.572, i64 39, i64 %t8, i64 %t10)
   unreachable
-inrange997:
+inrange1051:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.lexer.Token, ptr %t12, i64 %t8
   %t14 = load %S.lexer.Token, ptr %t13
@@ -13799,20 +15326,17 @@ inrange997:
   store %S.lexer.Token %t17, ptr %a18
   %t19 = load ptr, ptr %a1
   %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic998, label %ok999
-panic998:
-  call void @finch_panic(ptr @.str.568, i64 40, ptr @.str.569)
+  br i1 %t20, label %panic1052, label %ok1053
+panic1052:
+  call void @finch_panic(ptr @.str.573, i64 40, ptr @.str.574)
   unreachable
-ok999:
+ok1053:
   %t21 = getelementptr inbounds %S.parser.Parser, ptr %t19, i32 0, i32 1
   %t22 = load i64, ptr %t21
   %t23 = add i64 %t22, 1
   store i64 %t23, ptr %t21
   %t24 = load %S.lexer.Token, ptr %a18
-  store %S.lexer.Token %t24, ptr %a25
-  call void @finch.copy.S_lexer_Token(ptr %a26, ptr %a25)
-  %t27 = load %S.lexer.Token, ptr %a26
-  ret %S.lexer.Token %t27
+  ret %S.lexer.Token %t24
 }
 
 define internal i1 @finch.parser.accept(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -13824,21 +15348,21 @@ entry:
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = call i1 @finch.parser.at(ptr %t3, { ptr, i64, i64 } %t4)
-  br i1 %t5, label %then1000, label %endif1002
-then1000:
+  br i1 %t5, label %then1054, label %endif1056
+then1054:
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic1003, label %ok1004
-panic1003:
-  call void @finch_panic(ptr @.str.570, i64 46, ptr @.str.571)
+  br i1 %t7, label %panic1057, label %ok1058
+panic1057:
+  call void @finch_panic(ptr @.str.575, i64 46, ptr @.str.576)
   unreachable
-ok1004:
+ok1058:
   %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = add i64 %t9, 1
   store i64 %t10, ptr %t8
   ret i1 true
-endif1002:
+endif1056:
   ret i1 false
 }
 
@@ -13853,109 +15377,115 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   store %S.lexer.Token %p0, ptr %a1
   %t2 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.572, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.577, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then1005, label %endif1007
-then1005:
+  br i1 %t7, label %then1059, label %endif1061
+then1059:
   %t8 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
-  store { ptr, i64, i64 } { ptr @.str.573, i64 1, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.578, i64 1, i64 0 }, ptr %a11
   store { ptr, i64, i64 } %t9, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
   %t13 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t13, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.574, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.579, i64 1, i64 0 }, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  ret { ptr, i64, i64 } %t17
-endif1007:
-  %t18 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t19 = load { ptr, i64, i64 }, ptr %t18
-  store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.575, i64 3, i64 0 }, ptr %a21
-  %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
-  %t23 = icmp ne i32 %t22, 0
-  br i1 %t23, label %then1008, label %endif1010
-then1008:
-  ret { ptr, i64, i64 } { ptr @.str.576, i64 11, i64 0 }
-endif1010:
-  %t24 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t25 = load { ptr, i64, i64 }, ptr %t24
-  store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.577, i64 3, i64 0 }, ptr %a27
-  %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
-  %t29 = icmp ne i32 %t28, 0
-  br label %logic.from1011
-logic.from1011:
-  br i1 %t29, label %logic.end1013, label %logic.rhs1012
-logic.rhs1012:
-  %t30 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.578, i64 5, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br label %logic.rend1014
-logic.rend1014:
-  br label %logic.end1013
-logic.end1013:
-  %t36 = phi i1 [ true, %logic.from1011 ], [ %t35, %logic.rend1014 ]
-  br i1 %t36, label %then1015, label %endif1017
-then1015:
-  ret { ptr, i64, i64 } { ptr @.str.579, i64 8, i64 0 }
-endif1017:
-  %t37 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t38 = load { ptr, i64, i64 }, ptr %t37
-  store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.580, i64 6, i64 0 }, ptr %a40
-  %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
-  %t42 = icmp ne i32 %t41, 0
-  br i1 %t42, label %then1018, label %endif1020
-then1018:
-  ret { ptr, i64, i64 } { ptr @.str.581, i64 8, i64 0 }
-endif1020:
-  %t43 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.582, i64 4, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br i1 %t48, label %then1021, label %endif1023
-then1021:
-  ret { ptr, i64, i64 } { ptr @.str.583, i64 6, i64 0 }
-endif1023:
-  %t49 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
-  %t50 = load { ptr, i64, i64 }, ptr %t49
-  store { ptr, i64, i64 } { ptr @.str.584, i64 1, i64 0 }, ptr %a52
-  store { ptr, i64, i64 } %t50, ptr %a53
-  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
-  %t54 = load { ptr, i64, i64 }, ptr %a51
-  store { ptr, i64, i64 } %t54, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.585, i64 1, i64 0 }, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  ret { ptr, i64, i64 } %t58
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  ret { ptr, i64, i64 } %t18
+endif1061:
+  %t19 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t20 = load { ptr, i64, i64 }, ptr %t19
+  store { ptr, i64, i64 } %t20, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.580, i64 3, i64 0 }, ptr %a22
+  %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
+  %t24 = icmp ne i32 %t23, 0
+  br i1 %t24, label %then1062, label %endif1064
+then1062:
+  ret { ptr, i64, i64 } { ptr @.str.581, i64 11, i64 0 }
+endif1064:
+  %t25 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t26 = load { ptr, i64, i64 }, ptr %t25
+  store { ptr, i64, i64 } %t26, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.582, i64 3, i64 0 }, ptr %a28
+  %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
+  %t30 = icmp ne i32 %t29, 0
+  br label %logic.from1065
+logic.from1065:
+  br i1 %t30, label %logic.end1067, label %logic.rhs1066
+logic.rhs1066:
+  %t31 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t32, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.583, i64 5, i64 0 }, ptr %a34
+  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
+  %t36 = icmp ne i32 %t35, 0
+  br label %logic.rend1068
+logic.rend1068:
+  br label %logic.end1067
+logic.end1067:
+  %t37 = phi i1 [ true, %logic.from1065 ], [ %t36, %logic.rend1068 ]
+  br i1 %t37, label %then1069, label %endif1071
+then1069:
+  ret { ptr, i64, i64 } { ptr @.str.584, i64 8, i64 0 }
+endif1071:
+  %t38 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t39 = load { ptr, i64, i64 }, ptr %t38
+  store { ptr, i64, i64 } %t39, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.585, i64 6, i64 0 }, ptr %a41
+  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
+  %t43 = icmp ne i32 %t42, 0
+  br i1 %t43, label %then1072, label %endif1074
+then1072:
+  ret { ptr, i64, i64 } { ptr @.str.586, i64 8, i64 0 }
+endif1074:
+  %t44 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t45 = load { ptr, i64, i64 }, ptr %t44
+  store { ptr, i64, i64 } %t45, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.587, i64 4, i64 0 }, ptr %a47
+  %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
+  %t49 = icmp ne i32 %t48, 0
+  br i1 %t49, label %then1075, label %endif1077
+then1075:
+  ret { ptr, i64, i64 } { ptr @.str.588, i64 6, i64 0 }
+endif1077:
+  %t50 = getelementptr inbounds %S.lexer.Token, ptr %a1, i32 0, i32 0
+  %t51 = load { ptr, i64, i64 }, ptr %t50
+  store { ptr, i64, i64 } { ptr @.str.589, i64 1, i64 0 }, ptr %a53
+  store { ptr, i64, i64 } %t51, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.590, i64 1, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  ret { ptr, i64, i64 } %t60
 }
 
 define internal %S.lexer.Token @finch.parser.expect(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
@@ -13969,9 +15499,15 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca %S.lexer.Token, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca %S.lexer.Token, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -13979,33 +15515,45 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %a2
   %t6 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } %t5)
   %t7 = xor i1 %t6, true
-  br i1 %t7, label %then1024, label %endif1026
-then1024:
+  br i1 %t7, label %then1078, label %endif1080
+then1078:
   %t8 = load ptr, ptr %a1
   %t9 = load ptr, ptr %a1
   %t10 = call %S.lexer.Token @finch.parser.cur(ptr %t9)
   %t11 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.586, i64 9, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.591, i64 9, i64 0 }, ptr %a13
   store { ptr, i64, i64 } %t11, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
   %t15 = load { ptr, i64, i64 }, ptr %a12
   store { ptr, i64, i64 } %t15, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.587, i64 8, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.592, i64 8, i64 0 }, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  %t20 = load ptr, ptr %a1
-  %t21 = call %S.lexer.Token @finch.parser.cur(ptr %t20)
-  %t22 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t21)
-  store { ptr, i64, i64 } %t19, ptr %a24
-  store { ptr, i64, i64 } %t22, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  call void @finch.parser.fail(ptr %t8, %S.lexer.Token %t10, { ptr, i64, i64 } %t26)
-  br label %endif1026
-endif1026:
-  %t27 = load ptr, ptr %a1
-  %t28 = call %S.lexer.Token @finch.parser.next(ptr %t27)
-  ret %S.lexer.Token %t28
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  %t21 = load ptr, ptr %a1
+  %t22 = call %S.lexer.Token @finch.parser.cur(ptr %t21)
+  %t23 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t22)
+  store %S.lexer.Token %t22, ptr %a24
+  call void @finch.drop.S_lexer_Token(ptr %a24)
+  store { ptr, i64, i64 } %t20, ptr %a26
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t20, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  store { ptr, i64, i64 } %t23, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.parser.fail(ptr %t8, %S.lexer.Token %t10, { ptr, i64, i64 } %t30)
+  store %S.lexer.Token %t10, ptr %a31
+  call void @finch.drop.S_lexer_Token(ptr %a31)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  br label %endif1080
+endif1080:
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.lexer.Token @finch.parser.next(ptr %t33)
+  ret %S.lexer.Token %t34
 }
 
 define internal i1 @finch.parser.sameLine(ptr %p0) {
@@ -14014,53 +15562,53 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic1027, label %ok1028
-panic1027:
-  call void @finch_panic(ptr @.str.588, i64 79, ptr @.str.589)
+  br i1 %t3, label %panic1081, label %ok1082
+panic1081:
+  call void @finch_panic(ptr @.str.593, i64 79, ptr @.str.594)
   unreachable
-ok1028:
+ok1082:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 2
   %t5 = load i64, ptr %t4
   %t6 = icmp sgt i64 %t5, 0
-  br label %logic.from1029
-logic.from1029:
-  br i1 %t6, label %logic.end1031, label %logic.rhs1030
-logic.rhs1030:
+  br label %logic.from1083
+logic.from1083:
+  br i1 %t6, label %logic.end1085, label %logic.rhs1084
+logic.rhs1084:
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic1032, label %ok1033
-panic1032:
-  call void @finch_panic(ptr @.str.590, i64 79, ptr @.str.591)
+  br i1 %t8, label %panic1086, label %ok1087
+panic1086:
+  call void @finch_panic(ptr @.str.595, i64 79, ptr @.str.596)
   unreachable
-ok1033:
+ok1087:
   %t9 = getelementptr inbounds %S.parser.Parser, ptr %t7, i32 0, i32 0
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic1034, label %ok1035
-panic1034:
-  call void @finch_panic(ptr @.str.592, i64 79, ptr @.str.593)
+  br i1 %t11, label %panic1088, label %ok1089
+panic1088:
+  call void @finch_panic(ptr @.str.597, i64 79, ptr @.str.598)
   unreachable
-ok1035:
+ok1089:
   %t12 = getelementptr inbounds %S.parser.Parser, ptr %t10, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = load { ptr, i64, i64 }, ptr %t9
   %t15 = extractvalue { ptr, i64, i64 } %t14, 1
   %t16 = icmp uge i64 %t13, %t15
-  br i1 %t16, label %range1036, label %inrange1037
-range1036:
-  call void @finch_panic_index(ptr @.str.594, i64 79, i64 %t13, i64 %t15)
+  br i1 %t16, label %range1090, label %inrange1091
+range1090:
+  call void @finch_panic_index(ptr @.str.599, i64 79, i64 %t13, i64 %t15)
   unreachable
-inrange1037:
+inrange1091:
   %t17 = extractvalue { ptr, i64, i64 } %t14, 0
   %t18 = getelementptr inbounds %S.lexer.Token, ptr %t17, i64 %t13
   %t19 = getelementptr inbounds %S.lexer.Token, ptr %t18, i32 0, i32 4
   %t20 = load i1, ptr %t19
   %t21 = xor i1 %t20, true
-  br label %logic.rend1038
-logic.rend1038:
-  br label %logic.end1031
-logic.end1031:
-  %t22 = phi i1 [ true, %logic.from1029 ], [ %t21, %logic.rend1038 ]
+  br label %logic.rend1092
+logic.rend1092:
+  br label %logic.end1085
+logic.end1085:
+  %t22 = phi i1 [ true, %logic.from1083 ], [ %t21, %logic.rend1092 ]
   ret i1 %t22
 }
 
@@ -14077,29 +15625,29 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic1039, label %ok1040
-panic1039:
-  call void @finch_panic(ptr @.str.595, i64 83, ptr @.str.596)
+  br i1 %t4, label %panic1093, label %ok1094
+panic1093:
+  call void @finch_panic(ptr @.str.600, i64 83, ptr @.str.601)
   unreachable
-ok1040:
+ok1094:
   %t5 = getelementptr inbounds %S.parser.Parser, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic1041, label %ok1042
-panic1041:
-  call void @finch_panic(ptr @.str.597, i64 83, ptr @.str.598)
+  br i1 %t7, label %panic1095, label %ok1096
+panic1095:
+  call void @finch_panic(ptr @.str.602, i64 83, ptr @.str.603)
   unreachable
-ok1042:
+ok1096:
   %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load { ptr, i64, i64 }, ptr %t5
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range1043, label %inrange1044
-range1043:
-  call void @finch_panic_index(ptr @.str.599, i64 83, i64 %t9, i64 %t11)
+  br i1 %t12, label %range1097, label %inrange1098
+range1097:
+  call void @finch_panic_index(ptr @.str.604, i64 83, i64 %t9, i64 %t11)
   unreachable
-inrange1044:
+inrange1098:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.lexer.Token, ptr %t13, i64 %t9
   %t15 = load %S.lexer.Token, ptr %t14
@@ -14120,14 +15668,15 @@ inrange1044:
   %t30 = insertvalue %S.ast.Node %t27, i64 %t29, 12
   %t31 = load ptr, ptr %a1
   %t32 = icmp eq ptr %t31, null
-  br i1 %t32, label %panic1045, label %ok1046
-panic1045:
-  call void @finch_panic(ptr @.str.600, i64 84, ptr @.str.601)
+  br i1 %t32, label %panic1099, label %ok1100
+panic1099:
+  call void @finch_panic(ptr @.str.605, i64 84, ptr @.str.606)
   unreachable
-ok1046:
+ok1100:
   %t33 = getelementptr inbounds %S.parser.Parser, ptr %t31, i32 0, i32 3
   %t34 = load i64, ptr %t33
   %t35 = insertvalue %S.ast.Node %t30, i64 %t34, 13
+  call void @finch.drop.S_lexer_Token(ptr %a19)
   ret %S.ast.Node %t35
 }
 
@@ -14143,37 +15692,37 @@ entry:
   %t2 = mul i64 16, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.602, i64 3, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.607, i64 3, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.603, i64 5, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.608, i64 5, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.604, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.609, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.605, i64 4, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.610, i64 4, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.606, i64 3, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.611, i64 3, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.607, i64 3, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.612, i64 3, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.608, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.613, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.609, i64 3, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.614, i64 3, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.610, i64 3, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.615, i64 3, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.611, i64 3, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.616, i64 3, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.612, i64 2, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.617, i64 2, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.613, i64 3, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.618, i64 3, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.614, i64 3, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.619, i64 3, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.615, i64 3, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.620, i64 3, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.616, i64 3, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.621, i64 3, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.617, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.622, i64 3, i64 0 }, ptr %t19
   %t20 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t21 = insertvalue { ptr, i64, i64 } %t20, i64 16, 1
   %t22 = insertvalue { ptr, i64, i64 } %t21, i64 16, 2
@@ -14184,305 +15733,376 @@ entry:
   %t27 = load i64, ptr %t24
   %t28 = load ptr, ptr %a23
   store i64 0, ptr %a29
-  br label %find.cond1047
-find.cond1047:
+  br label %find.cond1101
+find.cond1101:
   %t30 = load i64, ptr %a29
   %t31 = icmp slt i64 %t30, %t27
-  br i1 %t31, label %find.body1048, label %find.end1051
-find.body1048:
+  br i1 %t31, label %find.body1102, label %find.end1105
+find.body1102:
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t30
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
   store { ptr, i64, i64 } %t25, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %find.hit1049, label %find.next1050
-find.hit1049:
+  br i1 %t37, label %find.hit1103, label %find.next1104
+find.hit1103:
   store i64 %t30, ptr %a26
-  br label %find.end1051
-find.next1050:
+  br label %find.end1105
+find.next1104:
   %t38 = add i64 %t30, 1
   store i64 %t38, ptr %a29
-  br label %find.cond1047
-find.end1051:
+  br label %find.cond1101
+find.end1105:
   %t39 = load i64, ptr %a26
   %t40 = icmp sge i64 %t39, 0
+  call void @finch.drop.arr_str(ptr %a23)
   ret i1 %t40
 }
 
 define internal %S.ast.Type @finch.parser.parseType(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca %S.lexer.Token, align 16
+  %a10 = alloca %S.ast.Type, align 16
+  %a20 = alloca %S.lexer.Token, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca %S.lexer.Token, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca %S.ast.Type, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca %S.ast.Type, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca %S.ast.Type, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca %S.lexer.Token, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca %S.lexer.Token, align 16
+  %a54 = alloca %S.ast.Type, align 16
+  %a57 = alloca %S.lexer.Token, align 16
+  %a62 = alloca %S.ast.Type, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca %S.ast.Type, align 16
+  %a77 = alloca %S.ast.Type, align 16
+  %a80 = alloca %S.lexer.Token, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.ast.Type, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca %S.lexer.Token, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca %S.ast.Type, align 16
-  %a144 = alloca %S.ast.Type, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca %S.lexer.Token, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca %S.lexer.Token, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca %S.lexer.Token, align 16
+  %a165 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.accept(ptr %t2, { ptr, i64, i64 } { ptr @.str.618, i64 1, i64 0 })
-  br i1 %t3, label %then1052, label %endif1054
-then1052:
+  %t3 = call i1 @finch.parser.accept(ptr %t2, { ptr, i64, i64 } { ptr @.str.623, i64 1, i64 0 })
+  br i1 %t3, label %then1106, label %endif1108
+then1106:
   %t4 = load ptr, ptr %a1
-  %t5 = call %S.lexer.Token @finch.parser.expect(ptr %t4, { ptr, i64, i64 } { ptr @.str.619, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.620, i64 36, i64 0 })
-  %t6 = load ptr, ptr %a1
-  %t7 = call %S.ast.Type @finch.parser.parseType(ptr %t6)
-  %t8 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t7)
-  ret %S.ast.Type %t8
-endif1054:
-  %t9 = load ptr, ptr %a1
-  %t10 = call i1 @finch.parser.at(ptr %t9, { ptr, i64, i64 } { ptr @.str.621, i64 5, i64 0 })
-  %t11 = xor i1 %t10, true
-  br i1 %t11, label %then1055, label %endif1057
-then1055:
-  %t12 = load ptr, ptr %a1
-  %t13 = load ptr, ptr %a1
-  %t14 = call %S.lexer.Token @finch.parser.cur(ptr %t13)
+  %t5 = call %S.lexer.Token @finch.parser.expect(ptr %t4, { ptr, i64, i64 } { ptr @.str.624, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.625, i64 36, i64 0 })
+  store %S.lexer.Token %t5, ptr %a6
+  call void @finch.drop.S_lexer_Token(ptr %a6)
+  %t7 = load ptr, ptr %a1
+  %t8 = call %S.ast.Type @finch.parser.parseType(ptr %t7)
+  %t9 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t8)
+  store %S.ast.Type %t8, ptr %a10
+  call void @finch.drop.S_ast_Type(ptr %a10)
+  ret %S.ast.Type %t9
+endif1108:
+  %t11 = load ptr, ptr %a1
+  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.626, i64 5, i64 0 })
+  %t13 = xor i1 %t12, true
+  br i1 %t13, label %then1109, label %endif1111
+then1109:
+  %t14 = load ptr, ptr %a1
   %t15 = load ptr, ptr %a1
   %t16 = call %S.lexer.Token @finch.parser.cur(ptr %t15)
-  %t17 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t16)
-  store { ptr, i64, i64 } { ptr @.str.622, i64 11, i64 0 }, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.623, i64 56, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  call void @finch.parser.fail(ptr %t12, %S.lexer.Token %t14, { ptr, i64, i64 } %t25)
-  br label %endif1057
-endif1057:
-  %t26 = load ptr, ptr %a1
-  %t27 = call %S.lexer.Token @finch.parser.next(ptr %t26)
-  %t28 = extractvalue %S.lexer.Token %t27, 1
-  store { ptr, i64, i64 } %t28, ptr %a29
-  call void @finch_str_copy(ptr %a30, ptr %a29)
-  %t31 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  %t33 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.624, i64 3, i64 0 }, ptr %a35
-  %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
-  %t37 = icmp ne i32 %t36, 0
-  br label %logic.from1058
-logic.from1058:
-  br i1 %t37, label %logic.rhs1059, label %logic.end1060
-logic.rhs1059:
-  %t38 = load ptr, ptr %a1
-  %t39 = call i1 @finch.parser.at(ptr %t38, { ptr, i64, i64 } { ptr @.str.625, i64 1, i64 0 })
-  br label %logic.rend1061
-logic.rend1061:
-  br label %logic.end1060
-logic.end1060:
-  %t40 = phi i1 [ false, %logic.from1058 ], [ %t39, %logic.rend1061 ]
-  br i1 %t40, label %then1062, label %endif1064
-then1062:
-  %t41 = load ptr, ptr %a1
-  %t42 = call %S.lexer.Token @finch.parser.next(ptr %t41)
-  %t43 = load ptr, ptr %a1
-  %t44 = call %S.ast.Type @finch.parser.parseType(ptr %t43)
-  store %S.ast.Type %t44, ptr %a45
+  %t17 = load ptr, ptr %a1
+  %t18 = call %S.lexer.Token @finch.parser.cur(ptr %t17)
+  %t19 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t18)
+  store %S.lexer.Token %t18, ptr %a20
+  call void @finch.drop.S_lexer_Token(ptr %a20)
+  store { ptr, i64, i64 } { ptr @.str.627, i64 11, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  store { ptr, i64, i64 } %t19, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.628, i64 56, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  call void @finch.parser.fail(ptr %t14, %S.lexer.Token %t16, { ptr, i64, i64 } %t30)
+  store %S.lexer.Token %t16, ptr %a31
+  call void @finch.drop.S_lexer_Token(ptr %a31)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  br label %endif1111
+endif1111:
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.lexer.Token @finch.parser.next(ptr %t33)
+  %t35 = extractvalue %S.lexer.Token %t34, 1
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_copy(ptr %a37, ptr %a36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  store %S.lexer.Token %t34, ptr %a39
+  call void @finch.drop.S_lexer_Token(ptr %a39)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.629, i64 3, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.from1112
+logic.from1112:
+  br i1 %t45, label %logic.rhs1113, label %logic.end1114
+logic.rhs1113:
   %t46 = load ptr, ptr %a1
-  %t47 = call %S.lexer.Token @finch.parser.expect(ptr %t46, { ptr, i64, i64 } { ptr @.str.626, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.627, i64 39, i64 0 })
-  %t48 = load %S.ast.Type, ptr %a45
+  %t47 = call i1 @finch.parser.at(ptr %t46, { ptr, i64, i64 } { ptr @.str.630, i64 1, i64 0 })
+  br label %logic.rend1115
+logic.rend1115:
+  br label %logic.end1114
+logic.end1114:
+  %t48 = phi i1 [ false, %logic.from1112 ], [ %t47, %logic.rend1115 ]
+  br i1 %t48, label %then1116, label %endif1118
+then1116:
   %t49 = load ptr, ptr %a1
-  %t50 = call %S.ast.Type @finch.parser.parseType(ptr %t49)
-  %t51 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t48, %S.ast.Type %t50)
-  ret %S.ast.Type %t51
-endif1064:
-  %t52 = load { ptr, i64, i64 }, ptr %a32
-  %t53 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t52)
-  br i1 %t53, label %then1065, label %endif1067
-then1065:
-  %t54 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.628, i64 3, i64 0 }, ptr %a56
-  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
-  %t58 = icmp ne i32 %t57, 0
-  br label %logic.from1068
-logic.from1068:
-  br i1 %t58, label %logic.rhs1069, label %logic.end1070
-logic.rhs1069:
+  %t50 = call %S.lexer.Token @finch.parser.next(ptr %t49)
+  store %S.lexer.Token %t50, ptr %a51
+  call void @finch.drop.S_lexer_Token(ptr %a51)
+  %t52 = load ptr, ptr %a1
+  %t53 = call %S.ast.Type @finch.parser.parseType(ptr %t52)
+  store %S.ast.Type %t53, ptr %a54
+  %t55 = load ptr, ptr %a1
+  %t56 = call %S.lexer.Token @finch.parser.expect(ptr %t55, { ptr, i64, i64 } { ptr @.str.631, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.632, i64 39, i64 0 })
+  store %S.lexer.Token %t56, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  %t58 = load %S.ast.Type, ptr %a54
   %t59 = load ptr, ptr %a1
-  %t60 = call i1 @finch.parser.accept(ptr %t59, { ptr, i64, i64 } { ptr @.str.629, i64 1, i64 0 })
-  br label %logic.rend1071
-logic.rend1071:
-  br label %logic.end1070
-logic.end1070:
-  %t61 = phi i1 [ false, %logic.from1068 ], [ %t60, %logic.rend1071 ]
-  br i1 %t61, label %then1072, label %endif1074
-then1072:
-  %t62 = load ptr, ptr %a1
-  %t63 = call %S.ast.Type @finch.parser.parseType(ptr %t62)
-  %t64 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t63)
-  store %S.ast.Type %t64, ptr %a65
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.expect(ptr %t66, { ptr, i64, i64 } { ptr @.str.630, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.631, i64 3, i64 0 })
-  %t68 = load %S.ast.Type, ptr %a65
-  ret %S.ast.Type %t68
-endif1074:
-  %t69 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t69, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.632, i64 3, i64 0 }, ptr %a71
-  %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
-  %t73 = icmp ne i32 %t72, 0
-  br i1 %t73, label %then1075, label %endif1077
-then1075:
-  %t74 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.633, i64 3, i64 0 })
-  ret %S.ast.Type %t74
-endif1077:
-  %t75 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.634, i64 3, i64 0 }, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br i1 %t79, label %then1078, label %endif1080
-then1078:
-  %t80 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.635, i64 5, i64 0 })
-  ret %S.ast.Type %t80
-endif1080:
-  %t81 = load { ptr, i64, i64 }, ptr %a32
-  %t82 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } %t81)
-  ret %S.ast.Type %t82
-endif1067:
-  %t83 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.636, i64 5, i64 0 }, 0
-  %t84 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t84, ptr %a85
-  call void @finch_str_copy(ptr %a86, ptr %a85)
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  %t88 = insertvalue %S.ast.Type %t83, { ptr, i64, i64 } %t87, 2
-  store %S.ast.Type %t88, ptr %a89
-  %t90 = load ptr, ptr %a1
-  %t91 = call i1 @finch.parser.at(ptr %t90, { ptr, i64, i64 } { ptr @.str.637, i64 1, i64 0 })
-  br label %logic.from1081
-logic.from1081:
-  br i1 %t91, label %logic.rhs1082, label %logic.end1083
-logic.rhs1082:
-  %t92 = load ptr, ptr %a1
-  %t93 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t92, i64 1)
-  store { ptr, i64, i64 } %t93, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.638, i64 5, i64 0 }, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.rend1084
-logic.rend1084:
-  br label %logic.end1083
-logic.end1083:
-  %t98 = phi i1 [ false, %logic.from1081 ], [ %t97, %logic.rend1084 ]
-  br i1 %t98, label %then1085, label %endif1087
-then1085:
-  %t99 = load ptr, ptr %a1
-  %t100 = call %S.lexer.Token @finch.parser.next(ptr %t99)
-  %t101 = load { ptr, i64, i64 }, ptr %a32
-  %t102 = getelementptr inbounds %S.ast.Type, ptr %a89, i32 0, i32 3
-  store { ptr, i64, i64 } %t101, ptr %a103
-  call void @finch_str_copy(ptr %a104, ptr %a103)
-  %t105 = load { ptr, i64, i64 }, ptr %a104
-  store { ptr, i64, i64 } %t105, ptr %t102
-  %t106 = load ptr, ptr %a1
-  %t107 = call %S.lexer.Token @finch.parser.next(ptr %t106)
-  %t108 = extractvalue %S.lexer.Token %t107, 1
-  store { ptr, i64, i64 } %t108, ptr %a109
-  call void @finch_str_copy(ptr %a110, ptr %a109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  %t112 = getelementptr inbounds %S.ast.Type, ptr %a89, i32 0, i32 2
-  store { ptr, i64, i64 } %t111, ptr %t112
-  br label %endif1087
-endif1087:
+  %t60 = call %S.ast.Type @finch.parser.parseType(ptr %t59)
+  %t61 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t58, %S.ast.Type %t60)
+  store %S.ast.Type %t60, ptr %a62
+  call void @finch.drop.S_ast_Type(ptr %a62)
+  call void @finch.drop.S_ast_Type(ptr %a54)
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t61
+endif1118:
+  %t63 = load { ptr, i64, i64 }, ptr %a40
+  %t64 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t63)
+  br i1 %t64, label %then1119, label %endif1121
+then1119:
+  %t65 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t65, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.633, i64 3, i64 0 }, ptr %a67
+  %t68 = call i32 @finch_str_eq(ptr %a66, ptr %a67)
+  %t69 = icmp ne i32 %t68, 0
+  br label %logic.from1122
+logic.from1122:
+  br i1 %t69, label %logic.rhs1123, label %logic.end1124
+logic.rhs1123:
+  %t70 = load ptr, ptr %a1
+  %t71 = call i1 @finch.parser.accept(ptr %t70, { ptr, i64, i64 } { ptr @.str.634, i64 1, i64 0 })
+  br label %logic.rend1125
+logic.rend1125:
+  br label %logic.end1124
+logic.end1124:
+  %t72 = phi i1 [ false, %logic.from1122 ], [ %t71, %logic.rend1125 ]
+  br i1 %t72, label %then1126, label %endif1128
+then1126:
+  %t73 = load ptr, ptr %a1
+  %t74 = call %S.ast.Type @finch.parser.parseType(ptr %t73)
+  %t75 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t74)
+  store %S.ast.Type %t74, ptr %a76
+  call void @finch.drop.S_ast_Type(ptr %a76)
+  store %S.ast.Type %t75, ptr %a77
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.lexer.Token @finch.parser.expect(ptr %t78, { ptr, i64, i64 } { ptr @.str.635, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.636, i64 3, i64 0 })
+  store %S.lexer.Token %t79, ptr %a80
+  call void @finch.drop.S_lexer_Token(ptr %a80)
+  %t81 = load %S.ast.Type, ptr %a77
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t81
+endif1128:
+  %t82 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t82, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.637, i64 3, i64 0 }, ptr %a84
+  %t85 = call i32 @finch_str_eq(ptr %a83, ptr %a84)
+  %t86 = icmp ne i32 %t85, 0
+  br i1 %t86, label %then1129, label %endif1131
+then1129:
+  %t87 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.638, i64 3, i64 0 })
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t87
+endif1131:
+  %t88 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t88, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.639, i64 3, i64 0 }, ptr %a90
+  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
+  %t92 = icmp ne i32 %t91, 0
+  br i1 %t92, label %then1132, label %endif1134
+then1132:
+  %t93 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.640, i64 5, i64 0 })
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t93
+endif1134:
+  %t94 = load { ptr, i64, i64 }, ptr %a40
+  %t95 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } %t94)
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t95
+endif1121:
+  %t96 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.641, i64 5, i64 0 }, 0
+  %t97 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t97, ptr %a98
+  call void @finch_str_copy(ptr %a99, ptr %a98)
+  %t100 = load { ptr, i64, i64 }, ptr %a99
+  %t101 = insertvalue %S.ast.Type %t96, { ptr, i64, i64 } %t100, 2
+  store %S.ast.Type %t101, ptr %a102
+  %t103 = load ptr, ptr %a1
+  %t104 = call i1 @finch.parser.at(ptr %t103, { ptr, i64, i64 } { ptr @.str.642, i64 1, i64 0 })
+  br label %logic.from1135
+logic.from1135:
+  br i1 %t104, label %logic.rhs1136, label %logic.end1137
+logic.rhs1136:
+  %t105 = load ptr, ptr %a1
+  %t106 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t105, i64 1)
+  store { ptr, i64, i64 } %t106, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.643, i64 5, i64 0 }, ptr %a108
+  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
+  %t110 = icmp ne i32 %t109, 0
+  store { ptr, i64, i64 } %t106, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  br label %logic.rend1138
+logic.rend1138:
+  br label %logic.end1137
+logic.end1137:
+  %t112 = phi i1 [ false, %logic.from1135 ], [ %t110, %logic.rend1138 ]
+  br i1 %t112, label %then1139, label %endif1141
+then1139:
   %t113 = load ptr, ptr %a1
-  %t114 = call i1 @finch.parser.at(ptr %t113, { ptr, i64, i64 } { ptr @.str.639, i64 1, i64 0 })
-  br label %logic.from1088
-logic.from1088:
-  br i1 %t114, label %logic.rhs1089, label %logic.end1090
-logic.rhs1089:
-  %t115 = load ptr, ptr %a1
-  %t116 = call %S.lexer.Token @finch.parser.cur(ptr %t115)
-  %t117 = extractvalue %S.lexer.Token %t116, 4
-  %t118 = xor i1 %t117, true
-  br label %logic.rend1091
-logic.rend1091:
-  br label %logic.end1090
-logic.end1090:
-  %t119 = phi i1 [ false, %logic.from1088 ], [ %t118, %logic.rend1091 ]
-  br label %logic.from1092
-logic.from1092:
-  br i1 %t119, label %logic.rhs1093, label %logic.end1094
-logic.rhs1093:
-  %t120 = load ptr, ptr %a1
-  %t121 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t120, i64 1)
+  %t114 = call %S.lexer.Token @finch.parser.next(ptr %t113)
+  store %S.lexer.Token %t114, ptr %a115
+  call void @finch.drop.S_lexer_Token(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a40
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a102, i32 0, i32 3
+  store { ptr, i64, i64 } %t116, ptr %a118
+  call void @finch_str_copy(ptr %a119, ptr %a118)
+  %t120 = load { ptr, i64, i64 }, ptr %a119
+  %t121 = load { ptr, i64, i64 }, ptr %t117
+  store { ptr, i64, i64 } %t120, ptr %t117
   store { ptr, i64, i64 } %t121, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.640, i64 1, i64 0 }, ptr %a123
-  %t124 = call i32 @finch_str_eq(ptr %a122, ptr %a123)
-  %t125 = icmp eq i32 %t124, 0
-  br label %logic.rend1095
-logic.rend1095:
-  br label %logic.end1094
-logic.end1094:
-  %t126 = phi i1 [ false, %logic.from1092 ], [ %t125, %logic.rend1095 ]
-  br i1 %t126, label %then1096, label %endif1098
-then1096:
-  %t127 = load ptr, ptr %a1
-  %t128 = call %S.lexer.Token @finch.parser.next(ptr %t127)
-  br label %while.cond1099
-while.cond1099:
-  br label %while.body1100
-while.body1100:
-  %t129 = getelementptr inbounds %S.ast.Type, ptr %a89, i32 0, i32 1
-  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t129, i32 0, i32 1
-  %t131 = load ptr, ptr %a1
-  %t132 = call %S.ast.Type @finch.parser.parseType(ptr %t131)
-  %t133 = load i64, ptr %t130
-  %t134 = add i64 %t133, 1
-  call void @finch_arr_reserve(ptr %t129, i64 %t134, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t135 = load ptr, ptr %t129
-  %t136 = getelementptr inbounds %S.ast.Type, ptr %t135, i64 %t133
-  store %S.ast.Type %t132, ptr %t136
-  store i64 %t134, ptr %t130
-  %t137 = load ptr, ptr %a1
-  %t138 = call i1 @finch.parser.accept(ptr %t137, { ptr, i64, i64 } { ptr @.str.641, i64 1, i64 0 })
-  %t139 = xor i1 %t138, true
-  br i1 %t139, label %then1102, label %endif1104
-then1102:
-  br label %while.end1101
-endif1104:
-  br label %while.cond1099
-while.end1101:
-  %t140 = load ptr, ptr %a1
-  %t141 = call %S.lexer.Token @finch.parser.expect(ptr %t140, { ptr, i64, i64 } { ptr @.str.642, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.643, i64 28, i64 0 })
-  br label %endif1098
-endif1098:
-  %t142 = load %S.ast.Type, ptr %a89
-  store %S.ast.Type %t142, ptr %a143
-  call void @finch.copy.S_ast_Type(ptr %a144, ptr %a143)
-  %t145 = load %S.ast.Type, ptr %a144
-  ret %S.ast.Type %t145
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load ptr, ptr %a1
+  %t124 = call %S.lexer.Token @finch.parser.next(ptr %t123)
+  %t125 = extractvalue %S.lexer.Token %t124, 1
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_copy(ptr %a127, ptr %a126)
+  %t128 = load { ptr, i64, i64 }, ptr %a127
+  store %S.lexer.Token %t124, ptr %a129
+  call void @finch.drop.S_lexer_Token(ptr %a129)
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %a102, i32 0, i32 2
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t128, ptr %t130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  br label %endif1141
+endif1141:
+  %t133 = load ptr, ptr %a1
+  %t134 = call i1 @finch.parser.at(ptr %t133, { ptr, i64, i64 } { ptr @.str.644, i64 1, i64 0 })
+  br label %logic.from1142
+logic.from1142:
+  br i1 %t134, label %logic.rhs1143, label %logic.end1144
+logic.rhs1143:
+  %t135 = load ptr, ptr %a1
+  %t136 = call %S.lexer.Token @finch.parser.cur(ptr %t135)
+  %t137 = extractvalue %S.lexer.Token %t136, 4
+  store %S.lexer.Token %t136, ptr %a138
+  call void @finch.drop.S_lexer_Token(ptr %a138)
+  %t139 = xor i1 %t137, true
+  br label %logic.rend1145
+logic.rend1145:
+  br label %logic.end1144
+logic.end1144:
+  %t140 = phi i1 [ false, %logic.from1142 ], [ %t139, %logic.rend1145 ]
+  br label %logic.from1146
+logic.from1146:
+  br i1 %t140, label %logic.rhs1147, label %logic.end1148
+logic.rhs1147:
+  %t141 = load ptr, ptr %a1
+  %t142 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t141, i64 1)
+  store { ptr, i64, i64 } %t142, ptr %a143
+  store { ptr, i64, i64 } { ptr @.str.645, i64 1, i64 0 }, ptr %a144
+  %t145 = call i32 @finch_str_eq(ptr %a143, ptr %a144)
+  %t146 = icmp eq i32 %t145, 0
+  store { ptr, i64, i64 } %t142, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  br label %logic.rend1149
+logic.rend1149:
+  br label %logic.end1148
+logic.end1148:
+  %t148 = phi i1 [ false, %logic.from1146 ], [ %t146, %logic.rend1149 ]
+  br i1 %t148, label %then1150, label %endif1152
+then1150:
+  %t149 = load ptr, ptr %a1
+  %t150 = call %S.lexer.Token @finch.parser.next(ptr %t149)
+  store %S.lexer.Token %t150, ptr %a151
+  call void @finch.drop.S_lexer_Token(ptr %a151)
+  br label %while.cond1153
+while.cond1153:
+  br label %while.body1154
+while.body1154:
+  %t152 = getelementptr inbounds %S.ast.Type, ptr %a102, i32 0, i32 1
+  %t153 = getelementptr inbounds { ptr, i64, i64 }, ptr %t152, i32 0, i32 1
+  %t154 = load ptr, ptr %a1
+  %t155 = call %S.ast.Type @finch.parser.parseType(ptr %t154)
+  %t156 = load i64, ptr %t153
+  %t157 = add i64 %t156, 1
+  call void @finch_arr_reserve(ptr %t152, i64 %t157, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t158 = load ptr, ptr %t152
+  %t159 = getelementptr inbounds %S.ast.Type, ptr %t158, i64 %t156
+  store %S.ast.Type %t155, ptr %t159
+  store i64 %t157, ptr %t153
+  %t160 = load ptr, ptr %a1
+  %t161 = call i1 @finch.parser.accept(ptr %t160, { ptr, i64, i64 } { ptr @.str.646, i64 1, i64 0 })
+  %t162 = xor i1 %t161, true
+  br i1 %t162, label %then1156, label %endif1158
+then1156:
+  br label %while.end1155
+endif1158:
+  br label %while.cond1153
+while.end1155:
+  %t163 = load ptr, ptr %a1
+  %t164 = call %S.lexer.Token @finch.parser.expect(ptr %t163, { ptr, i64, i64 } { ptr @.str.647, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.648, i64 28, i64 0 })
+  store %S.lexer.Token %t164, ptr %a165
+  call void @finch.drop.S_lexer_Token(ptr %a165)
+  br label %endif1152
+endif1152:
+  %t166 = load %S.ast.Type, ptr %a102
+  call void @finch_str_drop(ptr %a40)
+  ret %S.ast.Type %t166
 }
 
 define internal i1 @finch.parser.genericDeclAhead(ptr %p0) {
@@ -14490,281 +16110,290 @@ entry:
   %a1 = alloca ptr, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca i64, align 16
-  %a25 = alloca i64, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca i64, align 16
+  %a27 = alloca i64, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.644, i64 5, i64 0 })
+  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.649, i64 5, i64 0 })
   %t4 = xor i1 %t3, true
-  br label %logic.from1105
-logic.from1105:
-  br i1 %t4, label %logic.end1107, label %logic.rhs1106
-logic.rhs1106:
+  br label %logic.from1159
+logic.from1159:
+  br i1 %t4, label %logic.end1161, label %logic.rhs1160
+logic.rhs1160:
   %t5 = load ptr, ptr %a1
   %t6 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t5, i64 1)
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.645, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.650, i64 1, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp eq i32 %t9, 0
-  br label %logic.rend1108
-logic.rend1108:
-  br label %logic.end1107
-logic.end1107:
-  %t11 = phi i1 [ true, %logic.from1105 ], [ %t10, %logic.rend1108 ]
-  br label %logic.from1109
-logic.from1109:
-  br i1 %t11, label %logic.end1111, label %logic.rhs1110
-logic.rhs1110:
-  %t12 = load ptr, ptr %a1
-  %t13 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t12, i64 2)
-  store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.646, i64 1, i64 0 }, ptr %a15
-  %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
-  %t17 = icmp ne i32 %t16, 0
-  br label %logic.rend1112
-logic.rend1112:
-  br label %logic.end1111
-logic.end1111:
-  %t18 = phi i1 [ true, %logic.from1109 ], [ %t17, %logic.rend1112 ]
-  br i1 %t18, label %then1113, label %endif1115
-then1113:
+  store { ptr, i64, i64 } %t6, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  br label %logic.rend1162
+logic.rend1162:
+  br label %logic.end1161
+logic.end1161:
+  %t12 = phi i1 [ true, %logic.from1159 ], [ %t10, %logic.rend1162 ]
+  br label %logic.from1163
+logic.from1163:
+  br i1 %t12, label %logic.end1165, label %logic.rhs1164
+logic.rhs1164:
+  %t13 = load ptr, ptr %a1
+  %t14 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t13, i64 2)
+  store { ptr, i64, i64 } %t14, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.651, i64 1, i64 0 }, ptr %a16
+  %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
+  %t18 = icmp ne i32 %t17, 0
+  store { ptr, i64, i64 } %t14, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  br label %logic.rend1166
+logic.rend1166:
+  br label %logic.end1165
+logic.end1165:
+  %t20 = phi i1 [ true, %logic.from1163 ], [ %t18, %logic.rend1166 ]
+  br i1 %t20, label %then1167, label %endif1169
+then1167:
   ret i1 false
-endif1115:
-  store i64 0, ptr %a19
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic1116, label %ok1117
-panic1116:
-  call void @finch_panic(ptr @.str.647, i64 148, ptr @.str.648)
+endif1169:
+  store i64 0, ptr %a21
+  %t22 = load ptr, ptr %a1
+  %t23 = icmp eq ptr %t22, null
+  br i1 %t23, label %panic1170, label %ok1171
+panic1170:
+  call void @finch_panic(ptr @.str.652, i64 148, ptr @.str.653)
   unreachable
-ok1117:
-  %t22 = getelementptr inbounds %S.parser.Parser, ptr %t20, i32 0, i32 1
-  %t23 = load i64, ptr %t22
-  %t24 = add i64 %t23, 1
-  store i64 %t24, ptr %a25
-  br label %while.cond1118
-while.cond1118:
-  %t26 = load i64, ptr %a25
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic1121, label %ok1122
-panic1121:
-  call void @finch_panic(ptr @.str.649, i64 149, ptr @.str.650)
+ok1171:
+  %t24 = getelementptr inbounds %S.parser.Parser, ptr %t22, i32 0, i32 1
+  %t25 = load i64, ptr %t24
+  %t26 = add i64 %t25, 1
+  store i64 %t26, ptr %a27
+  br label %while.cond1172
+while.cond1172:
+  %t28 = load i64, ptr %a27
+  %t29 = load ptr, ptr %a1
+  %t30 = icmp eq ptr %t29, null
+  br i1 %t30, label %panic1175, label %ok1176
+panic1175:
+  call void @finch_panic(ptr @.str.654, i64 149, ptr @.str.655)
   unreachable
-ok1122:
-  %t29 = getelementptr inbounds %S.parser.Parser, ptr %t27, i32 0, i32 0
-  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
-  %t31 = load i64, ptr %t30
-  %t32 = icmp slt i64 %t26, %t31
-  br i1 %t32, label %while.body1119, label %while.end1120
-while.body1119:
-  %t33 = load ptr, ptr %a1
-  %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic1123, label %ok1124
-panic1123:
-  call void @finch_panic(ptr @.str.651, i64 150, ptr @.str.652)
+ok1176:
+  %t31 = getelementptr inbounds %S.parser.Parser, ptr %t29, i32 0, i32 0
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = icmp slt i64 %t28, %t33
+  br i1 %t34, label %while.body1173, label %while.end1174
+while.body1173:
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic1177, label %ok1178
+panic1177:
+  call void @finch_panic(ptr @.str.656, i64 150, ptr @.str.657)
   unreachable
-ok1124:
-  %t35 = getelementptr inbounds %S.parser.Parser, ptr %t33, i32 0, i32 0
-  %t36 = load i64, ptr %a25
-  %t37 = load { ptr, i64, i64 }, ptr %t35
-  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
-  %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range1125, label %inrange1126
-range1125:
-  call void @finch_panic_index(ptr @.str.653, i64 150, i64 %t36, i64 %t38)
+ok1178:
+  %t37 = getelementptr inbounds %S.parser.Parser, ptr %t35, i32 0, i32 0
+  %t38 = load i64, ptr %a27
+  %t39 = load { ptr, i64, i64 }, ptr %t37
+  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
+  %t41 = icmp uge i64 %t38, %t40
+  br i1 %t41, label %range1179, label %inrange1180
+range1179:
+  call void @finch_panic_index(ptr @.str.658, i64 150, i64 %t38, i64 %t40)
   unreachable
-inrange1126:
-  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
-  %t41 = getelementptr inbounds %S.lexer.Token, ptr %t40, i64 %t36
-  %t42 = getelementptr inbounds %S.lexer.Token, ptr %t41, i32 0, i32 0
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  store { ptr, i64, i64 } %t43, ptr %a44
-  call void @finch_str_copy(ptr %a45, ptr %a44)
-  %t46 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } %t46, ptr %a47
+inrange1180:
+  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
+  %t43 = getelementptr inbounds %S.lexer.Token, ptr %t42, i64 %t38
+  %t44 = getelementptr inbounds %S.lexer.Token, ptr %t43, i32 0, i32 0
+  %t45 = load { ptr, i64, i64 }, ptr %t44
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch_str_copy(ptr %a47, ptr %a46)
   %t48 = load { ptr, i64, i64 }, ptr %a47
   store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.654, i64 1, i64 0 }, ptr %a50
-  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
-  %t52 = icmp ne i32 %t51, 0
-  br i1 %t52, label %then1127, label %else1128
-then1127:
-  %t53 = load i64, ptr %a19
-  %t54 = add i64 %t53, 1
-  store i64 %t54, ptr %a19
-  br label %endif1129
-else1128:
-  %t55 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.655, i64 1, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
-  %t59 = icmp ne i32 %t58, 0
-  br i1 %t59, label %then1130, label %else1131
-then1130:
-  %t60 = load i64, ptr %a19
-  %t61 = sub i64 %t60, 1
-  store i64 %t61, ptr %a19
-  %t62 = load i64, ptr %a19
-  %t63 = icmp eq i64 %t62, 0
-  br i1 %t63, label %then1133, label %endif1135
-then1133:
-  %t64 = load i64, ptr %a25
-  %t65 = add i64 %t64, 1
-  %t66 = load ptr, ptr %a1
-  %t67 = icmp eq ptr %t66, null
-  br i1 %t67, label %panic1136, label %ok1137
-panic1136:
-  call void @finch_panic(ptr @.str.656, i64 156, ptr @.str.657)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.659, i64 1, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %then1181, label %else1182
+then1181:
+  %t55 = load i64, ptr %a21
+  %t56 = add i64 %t55, 1
+  store i64 %t56, ptr %a21
+  br label %endif1183
+else1182:
+  %t57 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t57, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.660, i64 1, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
+  %t61 = icmp ne i32 %t60, 0
+  br i1 %t61, label %then1184, label %else1185
+then1184:
+  %t62 = load i64, ptr %a21
+  %t63 = sub i64 %t62, 1
+  store i64 %t63, ptr %a21
+  %t64 = load i64, ptr %a21
+  %t65 = icmp eq i64 %t64, 0
+  br i1 %t65, label %then1187, label %endif1189
+then1187:
+  %t66 = load i64, ptr %a27
+  %t67 = add i64 %t66, 1
+  %t68 = load ptr, ptr %a1
+  %t69 = icmp eq ptr %t68, null
+  br i1 %t69, label %panic1190, label %ok1191
+panic1190:
+  call void @finch_panic(ptr @.str.661, i64 156, ptr @.str.662)
   unreachable
-ok1137:
-  %t68 = getelementptr inbounds %S.parser.Parser, ptr %t66, i32 0, i32 0
-  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i32 0, i32 1
-  %t70 = load i64, ptr %t69
-  %t71 = icmp slt i64 %t65, %t70
-  br label %logic.from1138
-logic.from1138:
-  br i1 %t71, label %logic.rhs1139, label %logic.end1140
-logic.rhs1139:
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic1141, label %ok1142
-panic1141:
-  call void @finch_panic(ptr @.str.658, i64 156, ptr @.str.659)
+ok1191:
+  %t70 = getelementptr inbounds %S.parser.Parser, ptr %t68, i32 0, i32 0
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
+  %t72 = load i64, ptr %t71
+  %t73 = icmp slt i64 %t67, %t72
+  br label %logic.from1192
+logic.from1192:
+  br i1 %t73, label %logic.rhs1193, label %logic.end1194
+logic.rhs1193:
+  %t74 = load ptr, ptr %a1
+  %t75 = icmp eq ptr %t74, null
+  br i1 %t75, label %panic1195, label %ok1196
+panic1195:
+  call void @finch_panic(ptr @.str.663, i64 156, ptr @.str.664)
   unreachable
-ok1142:
-  %t74 = getelementptr inbounds %S.parser.Parser, ptr %t72, i32 0, i32 0
-  %t75 = load i64, ptr %a25
-  %t76 = add i64 %t75, 1
-  %t77 = load { ptr, i64, i64 }, ptr %t74
-  %t78 = extractvalue { ptr, i64, i64 } %t77, 1
-  %t79 = icmp uge i64 %t76, %t78
-  br i1 %t79, label %range1143, label %inrange1144
-range1143:
-  call void @finch_panic_index(ptr @.str.660, i64 156, i64 %t76, i64 %t78)
+ok1196:
+  %t76 = getelementptr inbounds %S.parser.Parser, ptr %t74, i32 0, i32 0
+  %t77 = load i64, ptr %a27
+  %t78 = add i64 %t77, 1
+  %t79 = load { ptr, i64, i64 }, ptr %t76
+  %t80 = extractvalue { ptr, i64, i64 } %t79, 1
+  %t81 = icmp uge i64 %t78, %t80
+  br i1 %t81, label %range1197, label %inrange1198
+range1197:
+  call void @finch_panic_index(ptr @.str.665, i64 156, i64 %t78, i64 %t80)
   unreachable
-inrange1144:
-  %t80 = extractvalue { ptr, i64, i64 } %t77, 0
-  %t81 = getelementptr inbounds %S.lexer.Token, ptr %t80, i64 %t76
-  %t82 = getelementptr inbounds %S.lexer.Token, ptr %t81, i32 0, i32 0
-  %t83 = load { ptr, i64, i64 }, ptr %t82
-  store { ptr, i64, i64 } %t83, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.661, i64 5, i64 0 }, ptr %a85
-  %t86 = call i32 @finch_str_eq(ptr %a84, ptr %a85)
-  %t87 = icmp ne i32 %t86, 0
-  br label %logic.rend1145
-logic.rend1145:
-  br label %logic.end1140
-logic.end1140:
-  %t88 = phi i1 [ false, %logic.from1138 ], [ %t87, %logic.rend1145 ]
-  br label %logic.from1146
-logic.from1146:
-  br i1 %t88, label %logic.rhs1147, label %logic.end1148
-logic.rhs1147:
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic1149, label %ok1150
-panic1149:
-  call void @finch_panic(ptr @.str.662, i64 156, ptr @.str.663)
+inrange1198:
+  %t82 = extractvalue { ptr, i64, i64 } %t79, 0
+  %t83 = getelementptr inbounds %S.lexer.Token, ptr %t82, i64 %t78
+  %t84 = getelementptr inbounds %S.lexer.Token, ptr %t83, i32 0, i32 0
+  %t85 = load { ptr, i64, i64 }, ptr %t84
+  store { ptr, i64, i64 } %t85, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.666, i64 5, i64 0 }, ptr %a87
+  %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
+  %t89 = icmp ne i32 %t88, 0
+  br label %logic.rend1199
+logic.rend1199:
+  br label %logic.end1194
+logic.end1194:
+  %t90 = phi i1 [ false, %logic.from1192 ], [ %t89, %logic.rend1199 ]
+  br label %logic.from1200
+logic.from1200:
+  br i1 %t90, label %logic.rhs1201, label %logic.end1202
+logic.rhs1201:
+  %t91 = load ptr, ptr %a1
+  %t92 = icmp eq ptr %t91, null
+  br i1 %t92, label %panic1203, label %ok1204
+panic1203:
+  call void @finch_panic(ptr @.str.667, i64 156, ptr @.str.668)
   unreachable
-ok1150:
-  %t91 = getelementptr inbounds %S.parser.Parser, ptr %t89, i32 0, i32 0
-  %t92 = load i64, ptr %a25
-  %t93 = add i64 %t92, 1
-  %t94 = load { ptr, i64, i64 }, ptr %t91
-  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
-  %t96 = icmp uge i64 %t93, %t95
-  br i1 %t96, label %range1151, label %inrange1152
-range1151:
-  call void @finch_panic_index(ptr @.str.664, i64 156, i64 %t93, i64 %t95)
+ok1204:
+  %t93 = getelementptr inbounds %S.parser.Parser, ptr %t91, i32 0, i32 0
+  %t94 = load i64, ptr %a27
+  %t95 = add i64 %t94, 1
+  %t96 = load { ptr, i64, i64 }, ptr %t93
+  %t97 = extractvalue { ptr, i64, i64 } %t96, 1
+  %t98 = icmp uge i64 %t95, %t97
+  br i1 %t98, label %range1205, label %inrange1206
+range1205:
+  call void @finch_panic_index(ptr @.str.669, i64 156, i64 %t95, i64 %t97)
   unreachable
-inrange1152:
-  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.lexer.Token, ptr %t97, i64 %t93
-  %t99 = getelementptr inbounds %S.lexer.Token, ptr %t98, i32 0, i32 4
-  %t100 = load i1, ptr %t99
-  %t101 = xor i1 %t100, true
-  br label %logic.rend1153
-logic.rend1153:
-  br label %logic.end1148
-logic.end1148:
-  %t102 = phi i1 [ false, %logic.from1146 ], [ %t101, %logic.rend1153 ]
-  ret i1 %t102
-endif1135:
-  br label %endif1132
-else1131:
-  %t103 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t103, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.665, i64 3, i64 0 }, ptr %a105
-  %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
-  %t107 = icmp ne i32 %t106, 0
-  br label %logic.from1154
-logic.from1154:
-  br i1 %t107, label %logic.end1156, label %logic.rhs1155
-logic.rhs1155:
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic1157, label %ok1158
-panic1157:
-  call void @finch_panic(ptr @.str.666, i64 158, ptr @.str.667)
+inrange1206:
+  %t99 = extractvalue { ptr, i64, i64 } %t96, 0
+  %t100 = getelementptr inbounds %S.lexer.Token, ptr %t99, i64 %t95
+  %t101 = getelementptr inbounds %S.lexer.Token, ptr %t100, i32 0, i32 4
+  %t102 = load i1, ptr %t101
+  %t103 = xor i1 %t102, true
+  br label %logic.rend1207
+logic.rend1207:
+  br label %logic.end1202
+logic.end1202:
+  %t104 = phi i1 [ false, %logic.from1200 ], [ %t103, %logic.rend1207 ]
+  call void @finch_str_drop(ptr %a49)
+  ret i1 %t104
+endif1189:
+  br label %endif1186
+else1185:
+  %t105 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t105, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.670, i64 3, i64 0 }, ptr %a107
+  %t108 = call i32 @finch_str_eq(ptr %a106, ptr %a107)
+  %t109 = icmp ne i32 %t108, 0
+  br label %logic.from1208
+logic.from1208:
+  br i1 %t109, label %logic.end1210, label %logic.rhs1209
+logic.rhs1209:
+  %t110 = load ptr, ptr %a1
+  %t111 = icmp eq ptr %t110, null
+  br i1 %t111, label %panic1211, label %ok1212
+panic1211:
+  call void @finch_panic(ptr @.str.671, i64 158, ptr @.str.672)
   unreachable
-ok1158:
-  %t110 = getelementptr inbounds %S.parser.Parser, ptr %t108, i32 0, i32 0
-  %t111 = load i64, ptr %a25
-  %t112 = load { ptr, i64, i64 }, ptr %t110
-  %t113 = extractvalue { ptr, i64, i64 } %t112, 1
-  %t114 = icmp uge i64 %t111, %t113
-  br i1 %t114, label %range1159, label %inrange1160
-range1159:
-  call void @finch_panic_index(ptr @.str.668, i64 158, i64 %t111, i64 %t113)
+ok1212:
+  %t112 = getelementptr inbounds %S.parser.Parser, ptr %t110, i32 0, i32 0
+  %t113 = load i64, ptr %a27
+  %t114 = load { ptr, i64, i64 }, ptr %t112
+  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
+  %t116 = icmp uge i64 %t113, %t115
+  br i1 %t116, label %range1213, label %inrange1214
+range1213:
+  call void @finch_panic_index(ptr @.str.673, i64 158, i64 %t113, i64 %t115)
   unreachable
-inrange1160:
-  %t115 = extractvalue { ptr, i64, i64 } %t112, 0
-  %t116 = getelementptr inbounds %S.lexer.Token, ptr %t115, i64 %t111
-  %t117 = getelementptr inbounds %S.lexer.Token, ptr %t116, i32 0, i32 4
-  %t118 = load i1, ptr %t117
-  br label %logic.from1161
-logic.from1161:
-  br i1 %t118, label %logic.rhs1162, label %logic.end1163
-logic.rhs1162:
-  %t119 = load i64, ptr %a19
-  %t120 = icmp eq i64 %t119, 0
-  br label %logic.rend1164
-logic.rend1164:
-  br label %logic.end1163
-logic.end1163:
-  %t121 = phi i1 [ false, %logic.from1161 ], [ %t120, %logic.rend1164 ]
-  br label %logic.rend1165
-logic.rend1165:
-  br label %logic.end1156
-logic.end1156:
-  %t122 = phi i1 [ true, %logic.from1154 ], [ %t121, %logic.rend1165 ]
-  br i1 %t122, label %then1166, label %endif1168
-then1166:
+inrange1214:
+  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
+  %t118 = getelementptr inbounds %S.lexer.Token, ptr %t117, i64 %t113
+  %t119 = getelementptr inbounds %S.lexer.Token, ptr %t118, i32 0, i32 4
+  %t120 = load i1, ptr %t119
+  br label %logic.from1215
+logic.from1215:
+  br i1 %t120, label %logic.rhs1216, label %logic.end1217
+logic.rhs1216:
+  %t121 = load i64, ptr %a21
+  %t122 = icmp eq i64 %t121, 0
+  br label %logic.rend1218
+logic.rend1218:
+  br label %logic.end1217
+logic.end1217:
+  %t123 = phi i1 [ false, %logic.from1215 ], [ %t122, %logic.rend1218 ]
+  br label %logic.rend1219
+logic.rend1219:
+  br label %logic.end1210
+logic.end1210:
+  %t124 = phi i1 [ true, %logic.from1208 ], [ %t123, %logic.rend1219 ]
+  br i1 %t124, label %then1220, label %endif1222
+then1220:
+  call void @finch_str_drop(ptr %a49)
   ret i1 false
-endif1168:
-  br label %endif1132
-endif1132:
-  br label %endif1129
-endif1129:
-  %t123 = load i64, ptr %a25
-  %t124 = add i64 %t123, 1
-  store i64 %t124, ptr %a25
-  br label %while.cond1118
-while.end1120:
+endif1222:
+  br label %endif1186
+endif1186:
+  br label %endif1183
+endif1183:
+  %t125 = load i64, ptr %a27
+  %t126 = add i64 %t125, 1
+  store i64 %t126, ptr %a27
+  call void @finch_str_drop(ptr %a49)
+  br label %while.cond1172
+while.end1174:
   ret i1 false
 }
 
@@ -14775,11 +16404,11 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic1169, label %ok1170
-panic1169:
-  call void @finch_panic(ptr @.str.669, i64 168, ptr @.str.670)
+  br i1 %t3, label %panic1223, label %ok1224
+panic1223:
+  call void @finch_panic(ptr @.str.674, i64 168, ptr @.str.675)
   unreachable
-ok1170:
+ok1224:
   %t4 = getelementptr inbounds %S.parser.Parser, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = sub i64 %t5, 1
@@ -14789,11 +16418,11 @@ ok1170:
   store i1 %t8, ptr %a9
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic1171, label %ok1172
-panic1171:
-  call void @finch_panic(ptr @.str.671, i64 170, ptr @.str.672)
+  br i1 %t11, label %panic1225, label %ok1226
+panic1225:
+  call void @finch_panic(ptr @.str.676, i64 170, ptr @.str.677)
   unreachable
-ok1172:
+ok1226:
   %t12 = getelementptr inbounds %S.parser.Parser, ptr %t10, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = add i64 %t13, 1
@@ -14807,297 +16436,306 @@ entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca i64, align 16
-  %a37 = alloca i64, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca i64, align 16
+  %a39 = alloca i64, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t2, i64 1)
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.673, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.678, i64 1, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp eq i32 %t6, 0
-  br label %logic.from1173
-logic.from1173:
-  br i1 %t7, label %logic.end1175, label %logic.rhs1174
-logic.rhs1174:
-  %t8 = load ptr, ptr %a1
-  %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic1176, label %ok1177
-panic1176:
-  call void @finch_panic(ptr @.str.674, i64 176, ptr @.str.675)
+  store { ptr, i64, i64 } %t3, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  br label %logic.from1227
+logic.from1227:
+  br i1 %t7, label %logic.end1229, label %logic.rhs1228
+logic.rhs1228:
+  %t9 = load ptr, ptr %a1
+  %t10 = icmp eq ptr %t9, null
+  br i1 %t10, label %panic1230, label %ok1231
+panic1230:
+  call void @finch_panic(ptr @.str.679, i64 176, ptr @.str.680)
   unreachable
-ok1177:
-  %t10 = getelementptr inbounds %S.parser.Parser, ptr %t8, i32 0, i32 0
-  %t11 = load ptr, ptr %a1
-  %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic1178, label %ok1179
-panic1178:
-  call void @finch_panic(ptr @.str.676, i64 176, ptr @.str.677)
+ok1231:
+  %t11 = getelementptr inbounds %S.parser.Parser, ptr %t9, i32 0, i32 0
+  %t12 = load ptr, ptr %a1
+  %t13 = icmp eq ptr %t12, null
+  br i1 %t13, label %panic1232, label %ok1233
+panic1232:
+  call void @finch_panic(ptr @.str.681, i64 176, ptr @.str.682)
   unreachable
-ok1179:
-  %t13 = getelementptr inbounds %S.parser.Parser, ptr %t11, i32 0, i32 1
-  %t14 = load i64, ptr %t13
-  %t15 = add i64 %t14, 1
-  %t16 = load { ptr, i64, i64 }, ptr %t10
-  %t17 = extractvalue { ptr, i64, i64 } %t16, 1
-  %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range1180, label %inrange1181
-range1180:
-  call void @finch_panic_index(ptr @.str.678, i64 176, i64 %t15, i64 %t17)
+ok1233:
+  %t14 = getelementptr inbounds %S.parser.Parser, ptr %t12, i32 0, i32 1
+  %t15 = load i64, ptr %t14
+  %t16 = add i64 %t15, 1
+  %t17 = load { ptr, i64, i64 }, ptr %t11
+  %t18 = extractvalue { ptr, i64, i64 } %t17, 1
+  %t19 = icmp uge i64 %t16, %t18
+  br i1 %t19, label %range1234, label %inrange1235
+range1234:
+  call void @finch_panic_index(ptr @.str.683, i64 176, i64 %t16, i64 %t18)
   unreachable
-inrange1181:
-  %t19 = extractvalue { ptr, i64, i64 } %t16, 0
-  %t20 = getelementptr inbounds %S.lexer.Token, ptr %t19, i64 %t15
-  %t21 = getelementptr inbounds %S.lexer.Token, ptr %t20, i32 0, i32 4
-  %t22 = load i1, ptr %t21
-  br label %logic.rend1182
-logic.rend1182:
-  br label %logic.end1175
-logic.end1175:
-  %t23 = phi i1 [ true, %logic.from1173 ], [ %t22, %logic.rend1182 ]
-  br label %logic.from1183
-logic.from1183:
-  br i1 %t23, label %logic.end1185, label %logic.rhs1184
-logic.rhs1184:
-  %t24 = load ptr, ptr %a1
-  %t25 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t24, i64 2)
-  store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.679, i64 1, i64 0 }, ptr %a27
-  %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
-  %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend1186
-logic.rend1186:
-  br label %logic.end1185
-logic.end1185:
-  %t30 = phi i1 [ true, %logic.from1183 ], [ %t29, %logic.rend1186 ]
-  br i1 %t30, label %then1187, label %endif1189
-then1187:
+inrange1235:
+  %t20 = extractvalue { ptr, i64, i64 } %t17, 0
+  %t21 = getelementptr inbounds %S.lexer.Token, ptr %t20, i64 %t16
+  %t22 = getelementptr inbounds %S.lexer.Token, ptr %t21, i32 0, i32 4
+  %t23 = load i1, ptr %t22
+  br label %logic.rend1236
+logic.rend1236:
+  br label %logic.end1229
+logic.end1229:
+  %t24 = phi i1 [ true, %logic.from1227 ], [ %t23, %logic.rend1236 ]
+  br label %logic.from1237
+logic.from1237:
+  br i1 %t24, label %logic.end1239, label %logic.rhs1238
+logic.rhs1238:
+  %t25 = load ptr, ptr %a1
+  %t26 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t25, i64 2)
+  store { ptr, i64, i64 } %t26, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.684, i64 1, i64 0 }, ptr %a28
+  %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
+  %t30 = icmp ne i32 %t29, 0
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  br label %logic.rend1240
+logic.rend1240:
+  br label %logic.end1239
+logic.end1239:
+  %t32 = phi i1 [ true, %logic.from1237 ], [ %t30, %logic.rend1240 ]
+  br i1 %t32, label %then1241, label %endif1243
+then1241:
   ret i1 false
-endif1189:
-  store i64 0, ptr %a31
-  %t32 = load ptr, ptr %a1
-  %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic1190, label %ok1191
-panic1190:
-  call void @finch_panic(ptr @.str.680, i64 180, ptr @.str.681)
+endif1243:
+  store i64 0, ptr %a33
+  %t34 = load ptr, ptr %a1
+  %t35 = icmp eq ptr %t34, null
+  br i1 %t35, label %panic1244, label %ok1245
+panic1244:
+  call void @finch_panic(ptr @.str.685, i64 180, ptr @.str.686)
   unreachable
-ok1191:
-  %t34 = getelementptr inbounds %S.parser.Parser, ptr %t32, i32 0, i32 1
-  %t35 = load i64, ptr %t34
-  %t36 = add i64 %t35, 1
-  store i64 %t36, ptr %a37
-  br label %while.cond1192
-while.cond1192:
-  %t38 = load i64, ptr %a37
-  %t39 = load ptr, ptr %a1
-  %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic1195, label %ok1196
-panic1195:
-  call void @finch_panic(ptr @.str.682, i64 181, ptr @.str.683)
+ok1245:
+  %t36 = getelementptr inbounds %S.parser.Parser, ptr %t34, i32 0, i32 1
+  %t37 = load i64, ptr %t36
+  %t38 = add i64 %t37, 1
+  store i64 %t38, ptr %a39
+  br label %while.cond1246
+while.cond1246:
+  %t40 = load i64, ptr %a39
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic1249, label %ok1250
+panic1249:
+  call void @finch_panic(ptr @.str.687, i64 181, ptr @.str.688)
   unreachable
-ok1196:
-  %t41 = getelementptr inbounds %S.parser.Parser, ptr %t39, i32 0, i32 0
-  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i32 0, i32 1
-  %t43 = load i64, ptr %t42
-  %t44 = icmp slt i64 %t38, %t43
-  br i1 %t44, label %while.body1193, label %while.end1194
-while.body1193:
-  %t45 = load ptr, ptr %a1
-  %t46 = icmp eq ptr %t45, null
-  br i1 %t46, label %panic1197, label %ok1198
-panic1197:
-  call void @finch_panic(ptr @.str.684, i64 182, ptr @.str.685)
+ok1250:
+  %t43 = getelementptr inbounds %S.parser.Parser, ptr %t41, i32 0, i32 0
+  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i32 0, i32 1
+  %t45 = load i64, ptr %t44
+  %t46 = icmp slt i64 %t40, %t45
+  br i1 %t46, label %while.body1247, label %while.end1248
+while.body1247:
+  %t47 = load ptr, ptr %a1
+  %t48 = icmp eq ptr %t47, null
+  br i1 %t48, label %panic1251, label %ok1252
+panic1251:
+  call void @finch_panic(ptr @.str.689, i64 182, ptr @.str.690)
   unreachable
-ok1198:
-  %t47 = getelementptr inbounds %S.parser.Parser, ptr %t45, i32 0, i32 0
-  %t48 = load i64, ptr %a37
-  %t49 = load { ptr, i64, i64 }, ptr %t47
-  %t50 = extractvalue { ptr, i64, i64 } %t49, 1
-  %t51 = icmp uge i64 %t48, %t50
-  br i1 %t51, label %range1199, label %inrange1200
-range1199:
-  call void @finch_panic_index(ptr @.str.686, i64 182, i64 %t48, i64 %t50)
+ok1252:
+  %t49 = getelementptr inbounds %S.parser.Parser, ptr %t47, i32 0, i32 0
+  %t50 = load i64, ptr %a39
+  %t51 = load { ptr, i64, i64 }, ptr %t49
+  %t52 = extractvalue { ptr, i64, i64 } %t51, 1
+  %t53 = icmp uge i64 %t50, %t52
+  br i1 %t53, label %range1253, label %inrange1254
+range1253:
+  call void @finch_panic_index(ptr @.str.691, i64 182, i64 %t50, i64 %t52)
   unreachable
-inrange1200:
-  %t52 = extractvalue { ptr, i64, i64 } %t49, 0
-  %t53 = getelementptr inbounds %S.lexer.Token, ptr %t52, i64 %t48
-  %t54 = getelementptr inbounds %S.lexer.Token, ptr %t53, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  call void @finch_str_copy(ptr %a57, ptr %a56)
-  %t58 = load { ptr, i64, i64 }, ptr %a57
-  store { ptr, i64, i64 } %t58, ptr %a59
+inrange1254:
+  %t54 = extractvalue { ptr, i64, i64 } %t51, 0
+  %t55 = getelementptr inbounds %S.lexer.Token, ptr %t54, i64 %t50
+  %t56 = getelementptr inbounds %S.lexer.Token, ptr %t55, i32 0, i32 0
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  store { ptr, i64, i64 } %t57, ptr %a58
+  call void @finch_str_copy(ptr %a59, ptr %a58)
   %t60 = load { ptr, i64, i64 }, ptr %a59
   store { ptr, i64, i64 } %t60, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.687, i64 1, i64 0 }, ptr %a62
-  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
-  %t64 = icmp ne i32 %t63, 0
-  br i1 %t64, label %then1201, label %else1202
-then1201:
-  %t65 = load i64, ptr %a31
-  %t66 = add i64 %t65, 1
-  store i64 %t66, ptr %a31
-  br label %endif1203
-else1202:
-  %t67 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.688, i64 1, i64 0 }, ptr %a69
-  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
-  %t71 = icmp ne i32 %t70, 0
-  br i1 %t71, label %then1204, label %else1205
-then1204:
-  %t72 = load i64, ptr %a31
-  %t73 = sub i64 %t72, 1
-  store i64 %t73, ptr %a31
-  %t74 = load i64, ptr %a31
-  %t75 = icmp eq i64 %t74, 0
-  br i1 %t75, label %then1207, label %endif1209
-then1207:
-  %t76 = load i64, ptr %a37
-  %t77 = add i64 %t76, 1
-  %t78 = load ptr, ptr %a1
-  %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic1210, label %ok1211
-panic1210:
-  call void @finch_panic(ptr @.str.689, i64 188, ptr @.str.690)
+  %t62 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.692, i64 1, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp ne i32 %t65, 0
+  br i1 %t66, label %then1255, label %else1256
+then1255:
+  %t67 = load i64, ptr %a33
+  %t68 = add i64 %t67, 1
+  store i64 %t68, ptr %a33
+  br label %endif1257
+else1256:
+  %t69 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t69, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.693, i64 1, i64 0 }, ptr %a71
+  %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
+  %t73 = icmp ne i32 %t72, 0
+  br i1 %t73, label %then1258, label %else1259
+then1258:
+  %t74 = load i64, ptr %a33
+  %t75 = sub i64 %t74, 1
+  store i64 %t75, ptr %a33
+  %t76 = load i64, ptr %a33
+  %t77 = icmp eq i64 %t76, 0
+  br i1 %t77, label %then1261, label %endif1263
+then1261:
+  %t78 = load i64, ptr %a39
+  %t79 = add i64 %t78, 1
+  %t80 = load ptr, ptr %a1
+  %t81 = icmp eq ptr %t80, null
+  br i1 %t81, label %panic1264, label %ok1265
+panic1264:
+  call void @finch_panic(ptr @.str.694, i64 188, ptr @.str.695)
   unreachable
-ok1211:
-  %t80 = getelementptr inbounds %S.parser.Parser, ptr %t78, i32 0, i32 0
-  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %t80, i32 0, i32 1
-  %t82 = load i64, ptr %t81
-  %t83 = icmp slt i64 %t77, %t82
-  br label %logic.from1212
-logic.from1212:
-  br i1 %t83, label %logic.rhs1213, label %logic.end1214
-logic.rhs1213:
-  %t84 = load ptr, ptr %a1
-  %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic1215, label %ok1216
-panic1215:
-  call void @finch_panic(ptr @.str.691, i64 188, ptr @.str.692)
+ok1265:
+  %t82 = getelementptr inbounds %S.parser.Parser, ptr %t80, i32 0, i32 0
+  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i32 0, i32 1
+  %t84 = load i64, ptr %t83
+  %t85 = icmp slt i64 %t79, %t84
+  br label %logic.from1266
+logic.from1266:
+  br i1 %t85, label %logic.rhs1267, label %logic.end1268
+logic.rhs1267:
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic1269, label %ok1270
+panic1269:
+  call void @finch_panic(ptr @.str.696, i64 188, ptr @.str.697)
   unreachable
-ok1216:
-  %t86 = getelementptr inbounds %S.parser.Parser, ptr %t84, i32 0, i32 0
-  %t87 = load i64, ptr %a37
-  %t88 = add i64 %t87, 1
-  %t89 = load { ptr, i64, i64 }, ptr %t86
-  %t90 = extractvalue { ptr, i64, i64 } %t89, 1
-  %t91 = icmp uge i64 %t88, %t90
-  br i1 %t91, label %range1217, label %inrange1218
-range1217:
-  call void @finch_panic_index(ptr @.str.693, i64 188, i64 %t88, i64 %t90)
+ok1270:
+  %t88 = getelementptr inbounds %S.parser.Parser, ptr %t86, i32 0, i32 0
+  %t89 = load i64, ptr %a39
+  %t90 = add i64 %t89, 1
+  %t91 = load { ptr, i64, i64 }, ptr %t88
+  %t92 = extractvalue { ptr, i64, i64 } %t91, 1
+  %t93 = icmp uge i64 %t90, %t92
+  br i1 %t93, label %range1271, label %inrange1272
+range1271:
+  call void @finch_panic_index(ptr @.str.698, i64 188, i64 %t90, i64 %t92)
   unreachable
-inrange1218:
-  %t92 = extractvalue { ptr, i64, i64 } %t89, 0
-  %t93 = getelementptr inbounds %S.lexer.Token, ptr %t92, i64 %t88
-  %t94 = getelementptr inbounds %S.lexer.Token, ptr %t93, i32 0, i32 0
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.694, i64 1, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.rend1219
-logic.rend1219:
-  br label %logic.end1214
-logic.end1214:
-  %t100 = phi i1 [ false, %logic.from1212 ], [ %t99, %logic.rend1219 ]
-  br label %logic.from1220
-logic.from1220:
-  br i1 %t100, label %logic.rhs1221, label %logic.end1222
-logic.rhs1221:
-  %t101 = load ptr, ptr %a1
-  %t102 = icmp eq ptr %t101, null
-  br i1 %t102, label %panic1223, label %ok1224
-panic1223:
-  call void @finch_panic(ptr @.str.695, i64 188, ptr @.str.696)
+inrange1272:
+  %t94 = extractvalue { ptr, i64, i64 } %t91, 0
+  %t95 = getelementptr inbounds %S.lexer.Token, ptr %t94, i64 %t90
+  %t96 = getelementptr inbounds %S.lexer.Token, ptr %t95, i32 0, i32 0
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  store { ptr, i64, i64 } %t97, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.699, i64 1, i64 0 }, ptr %a99
+  %t100 = call i32 @finch_str_eq(ptr %a98, ptr %a99)
+  %t101 = icmp ne i32 %t100, 0
+  br label %logic.rend1273
+logic.rend1273:
+  br label %logic.end1268
+logic.end1268:
+  %t102 = phi i1 [ false, %logic.from1266 ], [ %t101, %logic.rend1273 ]
+  br label %logic.from1274
+logic.from1274:
+  br i1 %t102, label %logic.rhs1275, label %logic.end1276
+logic.rhs1275:
+  %t103 = load ptr, ptr %a1
+  %t104 = icmp eq ptr %t103, null
+  br i1 %t104, label %panic1277, label %ok1278
+panic1277:
+  call void @finch_panic(ptr @.str.700, i64 188, ptr @.str.701)
   unreachable
-ok1224:
-  %t103 = getelementptr inbounds %S.parser.Parser, ptr %t101, i32 0, i32 0
-  %t104 = load i64, ptr %a37
-  %t105 = add i64 %t104, 1
-  %t106 = load { ptr, i64, i64 }, ptr %t103
-  %t107 = extractvalue { ptr, i64, i64 } %t106, 1
-  %t108 = icmp uge i64 %t105, %t107
-  br i1 %t108, label %range1225, label %inrange1226
-range1225:
-  call void @finch_panic_index(ptr @.str.697, i64 188, i64 %t105, i64 %t107)
+ok1278:
+  %t105 = getelementptr inbounds %S.parser.Parser, ptr %t103, i32 0, i32 0
+  %t106 = load i64, ptr %a39
+  %t107 = add i64 %t106, 1
+  %t108 = load { ptr, i64, i64 }, ptr %t105
+  %t109 = extractvalue { ptr, i64, i64 } %t108, 1
+  %t110 = icmp uge i64 %t107, %t109
+  br i1 %t110, label %range1279, label %inrange1280
+range1279:
+  call void @finch_panic_index(ptr @.str.702, i64 188, i64 %t107, i64 %t109)
   unreachable
-inrange1226:
-  %t109 = extractvalue { ptr, i64, i64 } %t106, 0
-  %t110 = getelementptr inbounds %S.lexer.Token, ptr %t109, i64 %t105
-  %t111 = getelementptr inbounds %S.lexer.Token, ptr %t110, i32 0, i32 4
-  %t112 = load i1, ptr %t111
-  %t113 = xor i1 %t112, true
-  br label %logic.rend1227
-logic.rend1227:
-  br label %logic.end1222
-logic.end1222:
-  %t114 = phi i1 [ false, %logic.from1220 ], [ %t113, %logic.rend1227 ]
-  ret i1 %t114
-endif1209:
-  br label %endif1206
-else1205:
-  %t115 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t115, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.698, i64 3, i64 0 }, ptr %a117
-  %t118 = call i32 @finch_str_eq(ptr %a116, ptr %a117)
-  %t119 = icmp ne i32 %t118, 0
-  br label %logic.from1228
-logic.from1228:
-  br i1 %t119, label %logic.end1230, label %logic.rhs1229
-logic.rhs1229:
-  %t120 = load ptr, ptr %a1
-  %t121 = icmp eq ptr %t120, null
-  br i1 %t121, label %panic1231, label %ok1232
-panic1231:
-  call void @finch_panic(ptr @.str.699, i64 190, ptr @.str.700)
+inrange1280:
+  %t111 = extractvalue { ptr, i64, i64 } %t108, 0
+  %t112 = getelementptr inbounds %S.lexer.Token, ptr %t111, i64 %t107
+  %t113 = getelementptr inbounds %S.lexer.Token, ptr %t112, i32 0, i32 4
+  %t114 = load i1, ptr %t113
+  %t115 = xor i1 %t114, true
+  br label %logic.rend1281
+logic.rend1281:
+  br label %logic.end1276
+logic.end1276:
+  %t116 = phi i1 [ false, %logic.from1274 ], [ %t115, %logic.rend1281 ]
+  call void @finch_str_drop(ptr %a61)
+  ret i1 %t116
+endif1263:
+  br label %endif1260
+else1259:
+  %t117 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t117, ptr %a118
+  store { ptr, i64, i64 } { ptr @.str.703, i64 3, i64 0 }, ptr %a119
+  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
+  %t121 = icmp ne i32 %t120, 0
+  br label %logic.from1282
+logic.from1282:
+  br i1 %t121, label %logic.end1284, label %logic.rhs1283
+logic.rhs1283:
+  %t122 = load ptr, ptr %a1
+  %t123 = icmp eq ptr %t122, null
+  br i1 %t123, label %panic1285, label %ok1286
+panic1285:
+  call void @finch_panic(ptr @.str.704, i64 190, ptr @.str.705)
   unreachable
-ok1232:
-  %t122 = getelementptr inbounds %S.parser.Parser, ptr %t120, i32 0, i32 0
-  %t123 = load i64, ptr %a37
-  %t124 = load { ptr, i64, i64 }, ptr %t122
-  %t125 = extractvalue { ptr, i64, i64 } %t124, 1
-  %t126 = icmp uge i64 %t123, %t125
-  br i1 %t126, label %range1233, label %inrange1234
-range1233:
-  call void @finch_panic_index(ptr @.str.701, i64 190, i64 %t123, i64 %t125)
+ok1286:
+  %t124 = getelementptr inbounds %S.parser.Parser, ptr %t122, i32 0, i32 0
+  %t125 = load i64, ptr %a39
+  %t126 = load { ptr, i64, i64 }, ptr %t124
+  %t127 = extractvalue { ptr, i64, i64 } %t126, 1
+  %t128 = icmp uge i64 %t125, %t127
+  br i1 %t128, label %range1287, label %inrange1288
+range1287:
+  call void @finch_panic_index(ptr @.str.706, i64 190, i64 %t125, i64 %t127)
   unreachable
-inrange1234:
-  %t127 = extractvalue { ptr, i64, i64 } %t124, 0
-  %t128 = getelementptr inbounds %S.lexer.Token, ptr %t127, i64 %t123
-  %t129 = getelementptr inbounds %S.lexer.Token, ptr %t128, i32 0, i32 4
-  %t130 = load i1, ptr %t129
-  br label %logic.rend1235
-logic.rend1235:
-  br label %logic.end1230
-logic.end1230:
-  %t131 = phi i1 [ true, %logic.from1228 ], [ %t130, %logic.rend1235 ]
-  br i1 %t131, label %then1236, label %endif1238
-then1236:
+inrange1288:
+  %t129 = extractvalue { ptr, i64, i64 } %t126, 0
+  %t130 = getelementptr inbounds %S.lexer.Token, ptr %t129, i64 %t125
+  %t131 = getelementptr inbounds %S.lexer.Token, ptr %t130, i32 0, i32 4
+  %t132 = load i1, ptr %t131
+  br label %logic.rend1289
+logic.rend1289:
+  br label %logic.end1284
+logic.end1284:
+  %t133 = phi i1 [ true, %logic.from1282 ], [ %t132, %logic.rend1289 ]
+  br i1 %t133, label %then1290, label %endif1292
+then1290:
+  call void @finch_str_drop(ptr %a61)
   ret i1 false
-endif1238:
-  br label %endif1206
-endif1206:
-  br label %endif1203
-endif1203:
-  %t132 = load i64, ptr %a37
-  %t133 = add i64 %t132, 1
-  store i64 %t133, ptr %a37
-  br label %while.cond1192
-while.end1194:
+endif1292:
+  br label %endif1260
+endif1260:
+  br label %endif1257
+endif1257:
+  %t134 = load i64, ptr %a39
+  %t135 = add i64 %t134, 1
+  store i64 %t135, ptr %a39
+  call void @finch_str_drop(ptr %a61)
+  br label %while.cond1246
+while.end1248:
   ret i1 false
 }
 
@@ -15106,273 +16744,315 @@ entry:
   %a1 = alloca ptr, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.lexer.Token, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca %S.lexer.Token, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call i1 @finch.parser.genericDeclAhead(ptr %t2)
-  br i1 %t3, label %then1239, label %endif1241
-then1239:
+  br i1 %t3, label %then1293, label %endif1295
+then1293:
   ret i1 true
-endif1241:
+endif1295:
   %t4 = load ptr, ptr %a1
-  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.702, i64 1, i64 0 })
-  br i1 %t5, label %then1242, label %endif1244
-then1242:
+  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.707, i64 1, i64 0 })
+  br i1 %t5, label %then1296, label %endif1298
+then1296:
   %t6 = load ptr, ptr %a1
   %t7 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t6, i64 1)
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.703, i64 1, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.708, i64 1, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
+  store { ptr, i64, i64 } %t7, ptr %a12
+  call void @finch_str_drop(ptr %a12)
   ret i1 %t11
-endif1244:
-  %t12 = load ptr, ptr %a1
-  %t13 = call i1 @finch.parser.at(ptr %t12, { ptr, i64, i64 } { ptr @.str.704, i64 5, i64 0 })
-  %t14 = xor i1 %t13, true
-  br i1 %t14, label %then1245, label %endif1247
-then1245:
+endif1298:
+  %t13 = load ptr, ptr %a1
+  %t14 = call i1 @finch.parser.at(ptr %t13, { ptr, i64, i64 } { ptr @.str.709, i64 5, i64 0 })
+  %t15 = xor i1 %t14, true
+  br i1 %t15, label %then1299, label %endif1301
+then1299:
   ret i1 false
-endif1247:
-  %t15 = load ptr, ptr %a1
-  %t16 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t15, i64 1)
-  store { ptr, i64, i64 } %t16, ptr %a17
-  %t18 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.705, i64 5, i64 0 }, ptr %a20
-  %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
-  %t22 = icmp ne i32 %t21, 0
-  br i1 %t22, label %then1248, label %endif1250
-then1248:
-  %t23 = load ptr, ptr %a1
-  %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic1251, label %ok1252
-panic1251:
-  call void @finch_panic(ptr @.str.706, i64 210, ptr @.str.707)
+endif1301:
+  %t16 = load ptr, ptr %a1
+  %t17 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t16, i64 1)
+  store { ptr, i64, i64 } %t17, ptr %a18
+  %t19 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t19, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.710, i64 5, i64 0 }, ptr %a21
+  %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
+  %t23 = icmp ne i32 %t22, 0
+  br i1 %t23, label %then1302, label %endif1304
+then1302:
+  %t24 = load ptr, ptr %a1
+  %t25 = icmp eq ptr %t24, null
+  br i1 %t25, label %panic1305, label %ok1306
+panic1305:
+  call void @finch_panic(ptr @.str.711, i64 210, ptr @.str.712)
   unreachable
-ok1252:
-  %t25 = getelementptr inbounds %S.parser.Parser, ptr %t23, i32 0, i32 0
-  %t26 = load ptr, ptr %a1
-  %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic1253, label %ok1254
-panic1253:
-  call void @finch_panic(ptr @.str.708, i64 210, ptr @.str.709)
+ok1306:
+  %t26 = getelementptr inbounds %S.parser.Parser, ptr %t24, i32 0, i32 0
+  %t27 = load ptr, ptr %a1
+  %t28 = icmp eq ptr %t27, null
+  br i1 %t28, label %panic1307, label %ok1308
+panic1307:
+  call void @finch_panic(ptr @.str.713, i64 210, ptr @.str.714)
   unreachable
-ok1254:
-  %t28 = getelementptr inbounds %S.parser.Parser, ptr %t26, i32 0, i32 1
-  %t29 = load i64, ptr %t28
-  %t30 = add i64 %t29, 1
-  %t31 = load { ptr, i64, i64 }, ptr %t25
-  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
-  %t33 = icmp uge i64 %t30, %t32
-  br i1 %t33, label %range1255, label %inrange1256
-range1255:
-  call void @finch_panic_index(ptr @.str.710, i64 210, i64 %t30, i64 %t32)
+ok1308:
+  %t29 = getelementptr inbounds %S.parser.Parser, ptr %t27, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = add i64 %t30, 1
+  %t32 = load { ptr, i64, i64 }, ptr %t26
+  %t33 = extractvalue { ptr, i64, i64 } %t32, 1
+  %t34 = icmp uge i64 %t31, %t33
+  br i1 %t34, label %range1309, label %inrange1310
+range1309:
+  call void @finch_panic_index(ptr @.str.715, i64 210, i64 %t31, i64 %t33)
   unreachable
-inrange1256:
-  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
-  %t35 = getelementptr inbounds %S.lexer.Token, ptr %t34, i64 %t30
-  %t36 = getelementptr inbounds %S.lexer.Token, ptr %t35, i32 0, i32 4
-  %t37 = load i1, ptr %t36
-  %t38 = xor i1 %t37, true
-  ret i1 %t38
-endif1250:
-  %t39 = load ptr, ptr %a1
-  %t40 = call %S.lexer.Token @finch.parser.cur(ptr %t39)
-  %t41 = extractvalue %S.lexer.Token %t40, 1
-  store { ptr, i64, i64 } %t41, ptr %a42
-  call void @finch_str_copy(ptr %a43, ptr %a42)
-  %t44 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.711, i64 3, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br label %logic.from1257
-logic.from1257:
-  br i1 %t48, label %logic.end1259, label %logic.rhs1258
-logic.rhs1258:
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.cur(ptr %t49)
-  %t51 = extractvalue %S.lexer.Token %t50, 1
-  store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
+inrange1310:
+  %t35 = extractvalue { ptr, i64, i64 } %t32, 0
+  %t36 = getelementptr inbounds %S.lexer.Token, ptr %t35, i64 %t31
+  %t37 = getelementptr inbounds %S.lexer.Token, ptr %t36, i32 0, i32 4
+  %t38 = load i1, ptr %t37
+  %t39 = xor i1 %t38, true
+  call void @finch_str_drop(ptr %a18)
+  ret i1 %t39
+endif1304:
+  %t40 = load ptr, ptr %a1
+  %t41 = call %S.lexer.Token @finch.parser.cur(ptr %t40)
+  %t42 = extractvalue %S.lexer.Token %t41, 1
+  store { ptr, i64, i64 } %t42, ptr %a43
+  call void @finch_str_copy(ptr %a44, ptr %a43)
+  %t45 = load { ptr, i64, i64 }, ptr %a44
+  store %S.lexer.Token %t41, ptr %a46
+  call void @finch.drop.S_lexer_Token(ptr %a46)
+  store { ptr, i64, i64 } %t45, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.716, i64 3, i64 0 }, ptr %a48
+  %t49 = call i32 @finch_str_eq(ptr %a47, ptr %a48)
+  %t50 = icmp ne i32 %t49, 0
+  store { ptr, i64, i64 } %t45, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %logic.from1311
+logic.from1311:
+  br i1 %t50, label %logic.end1313, label %logic.rhs1312
+logic.rhs1312:
+  %t52 = load ptr, ptr %a1
+  %t53 = call %S.lexer.Token @finch.parser.cur(ptr %t52)
+  %t54 = extractvalue %S.lexer.Token %t53, 1
   store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.712, i64 3, i64 0 }, ptr %a56
-  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
-  %t58 = icmp ne i32 %t57, 0
-  br label %logic.rend1260
-logic.rend1260:
-  br label %logic.end1259
-logic.end1259:
-  %t59 = phi i1 [ true, %logic.from1257 ], [ %t58, %logic.rend1260 ]
-  br label %logic.from1261
-logic.from1261:
-  br i1 %t59, label %logic.rhs1262, label %logic.end1263
-logic.rhs1262:
-  %t60 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t60, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.713, i64 1, i64 0 }, ptr %a62
-  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
-  %t64 = icmp ne i32 %t63, 0
-  br label %logic.rend1264
-logic.rend1264:
-  br label %logic.end1263
-logic.end1263:
-  %t65 = phi i1 [ false, %logic.from1261 ], [ %t64, %logic.rend1264 ]
-  br i1 %t65, label %then1265, label %endif1267
-then1265:
+  call void @finch_str_copy(ptr %a56, ptr %a55)
+  %t57 = load { ptr, i64, i64 }, ptr %a56
+  store %S.lexer.Token %t53, ptr %a58
+  call void @finch.drop.S_lexer_Token(ptr %a58)
+  store { ptr, i64, i64 } %t57, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.717, i64 3, i64 0 }, ptr %a60
+  %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
+  %t62 = icmp ne i32 %t61, 0
+  store { ptr, i64, i64 } %t57, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  br label %logic.rend1314
+logic.rend1314:
+  br label %logic.end1313
+logic.end1313:
+  %t64 = phi i1 [ true, %logic.from1311 ], [ %t62, %logic.rend1314 ]
+  br label %logic.from1315
+logic.from1315:
+  br i1 %t64, label %logic.rhs1316, label %logic.end1317
+logic.rhs1316:
+  %t65 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t65, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.718, i64 1, i64 0 }, ptr %a67
+  %t68 = call i32 @finch_str_eq(ptr %a66, ptr %a67)
+  %t69 = icmp ne i32 %t68, 0
+  br label %logic.rend1318
+logic.rend1318:
+  br label %logic.end1317
+logic.end1317:
+  %t70 = phi i1 [ false, %logic.from1315 ], [ %t69, %logic.rend1318 ]
+  br i1 %t70, label %then1319, label %endif1321
+then1319:
+  call void @finch_str_drop(ptr %a18)
   ret i1 true
-endif1267:
-  %t66 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.714, i64 1, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp ne i32 %t69, 0
-  br label %logic.from1268
-logic.from1268:
-  br i1 %t70, label %logic.rhs1269, label %logic.end1270
-logic.rhs1269:
-  %t71 = load ptr, ptr %a1
-  %t72 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t71, i64 2)
-  store { ptr, i64, i64 } %t72, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.715, i64 5, i64 0 }, ptr %a74
-  %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
-  %t76 = icmp ne i32 %t75, 0
-  br label %logic.rend1271
-logic.rend1271:
-  br label %logic.end1270
-logic.end1270:
-  %t77 = phi i1 [ false, %logic.from1268 ], [ %t76, %logic.rend1271 ]
-  br label %logic.from1272
-logic.from1272:
-  br i1 %t77, label %logic.rhs1273, label %logic.end1274
-logic.rhs1273:
-  %t78 = load ptr, ptr %a1
-  %t79 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t78, i64 3)
-  store { ptr, i64, i64 } %t79, ptr %a80
-  store { ptr, i64, i64 } { ptr @.str.716, i64 5, i64 0 }, ptr %a81
-  %t82 = call i32 @finch_str_eq(ptr %a80, ptr %a81)
-  %t83 = icmp ne i32 %t82, 0
-  br label %logic.rend1275
-logic.rend1275:
-  br label %logic.end1274
-logic.end1274:
-  %t84 = phi i1 [ false, %logic.from1272 ], [ %t83, %logic.rend1275 ]
-  br label %logic.from1276
-logic.from1276:
-  br i1 %t84, label %logic.rhs1277, label %logic.end1278
-logic.rhs1277:
-  %t85 = load ptr, ptr %a1
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic1279, label %ok1280
-panic1279:
-  call void @finch_panic(ptr @.str.717, i64 215, ptr @.str.718)
+endif1321:
+  %t71 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t71, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.719, i64 1, i64 0 }, ptr %a73
+  %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
+  %t75 = icmp ne i32 %t74, 0
+  br label %logic.from1322
+logic.from1322:
+  br i1 %t75, label %logic.rhs1323, label %logic.end1324
+logic.rhs1323:
+  %t76 = load ptr, ptr %a1
+  %t77 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t76, i64 2)
+  store { ptr, i64, i64 } %t77, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.720, i64 5, i64 0 }, ptr %a79
+  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
+  %t81 = icmp ne i32 %t80, 0
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  br label %logic.rend1325
+logic.rend1325:
+  br label %logic.end1324
+logic.end1324:
+  %t83 = phi i1 [ false, %logic.from1322 ], [ %t81, %logic.rend1325 ]
+  br label %logic.from1326
+logic.from1326:
+  br i1 %t83, label %logic.rhs1327, label %logic.end1328
+logic.rhs1327:
+  %t84 = load ptr, ptr %a1
+  %t85 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t84, i64 3)
+  store { ptr, i64, i64 } %t85, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.721, i64 5, i64 0 }, ptr %a87
+  %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
+  %t89 = icmp ne i32 %t88, 0
+  store { ptr, i64, i64 } %t85, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  br label %logic.rend1329
+logic.rend1329:
+  br label %logic.end1328
+logic.end1328:
+  %t91 = phi i1 [ false, %logic.from1326 ], [ %t89, %logic.rend1329 ]
+  br label %logic.from1330
+logic.from1330:
+  br i1 %t91, label %logic.rhs1331, label %logic.end1332
+logic.rhs1331:
+  %t92 = load ptr, ptr %a1
+  %t93 = icmp eq ptr %t92, null
+  br i1 %t93, label %panic1333, label %ok1334
+panic1333:
+  call void @finch_panic(ptr @.str.722, i64 215, ptr @.str.723)
   unreachable
-ok1280:
-  %t87 = getelementptr inbounds %S.parser.Parser, ptr %t85, i32 0, i32 0
-  %t88 = load ptr, ptr %a1
-  %t89 = icmp eq ptr %t88, null
-  br i1 %t89, label %panic1281, label %ok1282
-panic1281:
-  call void @finch_panic(ptr @.str.719, i64 215, ptr @.str.720)
+ok1334:
+  %t94 = getelementptr inbounds %S.parser.Parser, ptr %t92, i32 0, i32 0
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic1335, label %ok1336
+panic1335:
+  call void @finch_panic(ptr @.str.724, i64 215, ptr @.str.725)
   unreachable
-ok1282:
-  %t90 = getelementptr inbounds %S.parser.Parser, ptr %t88, i32 0, i32 1
-  %t91 = load i64, ptr %t90
-  %t92 = add i64 %t91, 3
-  %t93 = load { ptr, i64, i64 }, ptr %t87
-  %t94 = extractvalue { ptr, i64, i64 } %t93, 1
-  %t95 = icmp uge i64 %t92, %t94
-  br i1 %t95, label %range1283, label %inrange1284
-range1283:
-  call void @finch_panic_index(ptr @.str.721, i64 215, i64 %t92, i64 %t94)
+ok1336:
+  %t97 = getelementptr inbounds %S.parser.Parser, ptr %t95, i32 0, i32 1
+  %t98 = load i64, ptr %t97
+  %t99 = add i64 %t98, 3
+  %t100 = load { ptr, i64, i64 }, ptr %t94
+  %t101 = extractvalue { ptr, i64, i64 } %t100, 1
+  %t102 = icmp uge i64 %t99, %t101
+  br i1 %t102, label %range1337, label %inrange1338
+range1337:
+  call void @finch_panic_index(ptr @.str.726, i64 215, i64 %t99, i64 %t101)
   unreachable
-inrange1284:
-  %t96 = extractvalue { ptr, i64, i64 } %t93, 0
-  %t97 = getelementptr inbounds %S.lexer.Token, ptr %t96, i64 %t92
-  %t98 = getelementptr inbounds %S.lexer.Token, ptr %t97, i32 0, i32 4
-  %t99 = load i1, ptr %t98
-  %t100 = xor i1 %t99, true
-  br label %logic.rend1285
-logic.rend1285:
-  br label %logic.end1278
-logic.end1278:
-  %t101 = phi i1 [ false, %logic.from1276 ], [ %t100, %logic.rend1285 ]
-  ret i1 %t101
+inrange1338:
+  %t103 = extractvalue { ptr, i64, i64 } %t100, 0
+  %t104 = getelementptr inbounds %S.lexer.Token, ptr %t103, i64 %t99
+  %t105 = getelementptr inbounds %S.lexer.Token, ptr %t104, i32 0, i32 4
+  %t106 = load i1, ptr %t105
+  %t107 = xor i1 %t106, true
+  br label %logic.rend1339
+logic.rend1339:
+  br label %logic.end1332
+logic.end1332:
+  %t108 = phi i1 [ false, %logic.from1330 ], [ %t107, %logic.rend1339 ]
+  call void @finch_str_drop(ptr %a18)
+  ret i1 %t108
 }
 
 define internal void @finch.parser.endOfStatement(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca %S.lexer.Token, align 16
+  %a18 = alloca %S.lexer.Token, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca %S.lexer.Token, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.722, i64 1, i64 0 })
-  br label %logic.from1286
-logic.from1286:
-  br i1 %t3, label %logic.end1288, label %logic.rhs1287
-logic.rhs1287:
+  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.727, i64 1, i64 0 })
+  br label %logic.from1340
+logic.from1340:
+  br i1 %t3, label %logic.end1342, label %logic.rhs1341
+logic.rhs1341:
   %t4 = load ptr, ptr %a1
-  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.723, i64 3, i64 0 })
-  br label %logic.rend1289
-logic.rend1289:
-  br label %logic.end1288
-logic.end1288:
-  %t6 = phi i1 [ true, %logic.from1286 ], [ %t5, %logic.rend1289 ]
-  br label %logic.from1290
-logic.from1290:
-  br i1 %t6, label %logic.end1292, label %logic.rhs1291
-logic.rhs1291:
+  %t5 = call i1 @finch.parser.at(ptr %t4, { ptr, i64, i64 } { ptr @.str.728, i64 3, i64 0 })
+  br label %logic.rend1343
+logic.rend1343:
+  br label %logic.end1342
+logic.end1342:
+  %t6 = phi i1 [ true, %logic.from1340 ], [ %t5, %logic.rend1343 ]
+  br label %logic.from1344
+logic.from1344:
+  br i1 %t6, label %logic.end1346, label %logic.rhs1345
+logic.rhs1345:
   %t7 = load ptr, ptr %a1
   %t8 = call %S.lexer.Token @finch.parser.cur(ptr %t7)
   %t9 = extractvalue %S.lexer.Token %t8, 4
-  br label %logic.rend1293
-logic.rend1293:
-  br label %logic.end1292
-logic.end1292:
-  %t10 = phi i1 [ true, %logic.from1290 ], [ %t9, %logic.rend1293 ]
-  br i1 %t10, label %then1294, label %endif1296
-then1294:
+  store %S.lexer.Token %t8, ptr %a10
+  call void @finch.drop.S_lexer_Token(ptr %a10)
+  br label %logic.rend1347
+logic.rend1347:
+  br label %logic.end1346
+logic.end1346:
+  %t11 = phi i1 [ true, %logic.from1344 ], [ %t9, %logic.rend1347 ]
+  br i1 %t11, label %then1348, label %endif1350
+then1348:
   ret void
-endif1296:
-  %t11 = load ptr, ptr %a1
+endif1350:
   %t12 = load ptr, ptr %a1
-  %t13 = call %S.lexer.Token @finch.parser.cur(ptr %t12)
-  %t14 = load ptr, ptr %a1
-  %t15 = call %S.lexer.Token @finch.parser.cur(ptr %t14)
-  %t16 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t15)
-  store { ptr, i64, i64 } { ptr @.str.724, i64 11, i64 0 }, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.725, i64 37, i64 0 }, ptr %a23
-  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  call void @finch.parser.fail(ptr %t11, %S.lexer.Token %t13, { ptr, i64, i64 } %t24)
+  %t13 = load ptr, ptr %a1
+  %t14 = call %S.lexer.Token @finch.parser.cur(ptr %t13)
+  %t15 = load ptr, ptr %a1
+  %t16 = call %S.lexer.Token @finch.parser.cur(ptr %t15)
+  %t17 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t16)
+  store %S.lexer.Token %t16, ptr %a18
+  call void @finch.drop.S_lexer_Token(ptr %a18)
+  store { ptr, i64, i64 } { ptr @.str.729, i64 11, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t17, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.730, i64 37, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  call void @finch.parser.fail(ptr %t12, %S.lexer.Token %t14, { ptr, i64, i64 } %t28)
+  store %S.lexer.Token %t14, ptr %a29
+  call void @finch.drop.S_lexer_Token(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a30
+  call void @finch_str_drop(ptr %a30)
   ret void
 }
 
@@ -15388,77 +17068,83 @@ entry:
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca %S.lexer.Token, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca %S.lexer.Token, align 16
+  %a87 = alloca %S.lexer.Token, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca %S.lexer.Token, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca i1, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca i1, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca %S.ast.Program, align 16
-  %a174 = alloca %S.ast.Program, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Program zeroinitializer, ptr %a2
-  br label %while.cond1297
-while.cond1297:
+  br label %while.cond1351
+while.cond1351:
   %t3 = load ptr, ptr %a1
-  %t4 = call i1 @finch.parser.at(ptr %t3, { ptr, i64, i64 } { ptr @.str.726, i64 3, i64 0 })
+  %t4 = call i1 @finch.parser.at(ptr %t3, { ptr, i64, i64 } { ptr @.str.731, i64 3, i64 0 })
   %t5 = xor i1 %t4, true
-  br i1 %t5, label %while.body1298, label %while.end1299
-while.body1298:
+  br i1 %t5, label %while.body1352, label %while.end1353
+while.body1352:
   %t6 = load ptr, ptr %a1
-  %t7 = call i1 @finch.parser.at(ptr %t6, { ptr, i64, i64 } { ptr @.str.727, i64 6, i64 0 })
-  br i1 %t7, label %then1300, label %else1301
-then1300:
+  %t7 = call i1 @finch.parser.at(ptr %t6, { ptr, i64, i64 } { ptr @.str.732, i64 6, i64 0 })
+  br i1 %t7, label %then1354, label %else1355
+then1354:
   %t8 = load ptr, ptr %a1
   %t9 = call %S.lexer.Token @finch.parser.next(ptr %t8)
   store %S.lexer.Token %t9, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.728, i64 6, i64 0 })
-  br i1 %t12, label %then1303, label %else1304
-then1303:
+  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.733, i64 6, i64 0 })
+  br i1 %t12, label %then1357, label %else1358
+then1357:
   %t13 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 4
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i32 0, i32 1
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic1306, label %ok1307
-panic1306:
-  call void @finch_panic(ptr @.str.729, i64 233, ptr @.str.730)
+  br i1 %t16, label %panic1360, label %ok1361
+panic1360:
+  call void @finch_panic(ptr @.str.734, i64 233, ptr @.str.735)
   unreachable
-ok1307:
+ok1361:
   %t17 = getelementptr inbounds %S.parser.Parser, ptr %t15, i32 0, i32 4
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.731, i64 1, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.736, i64 1, i64 0 }, ptr %a21
   call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
   %t22 = load { ptr, i64, i64 }, ptr %a19
   %t23 = getelementptr inbounds %S.lexer.Token, ptr %a10, i32 0, i32 2
@@ -15468,224 +17154,230 @@ ok1307:
   store { ptr, i64, i64 } %t22, ptr %a28
   store { ptr, i64, i64 } %t26, ptr %a29
   call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.732, i64 1, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = getelementptr inbounds %S.lexer.Token, ptr %a10, i32 0, i32 3
-  %t36 = load i64, ptr %t35
-  call void @finch_str_from_int(ptr %a37, i64 %t36)
-  %t38 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } %t34, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load i64, ptr %t14
-  %t44 = add i64 %t43, 1
-  call void @finch_arr_reserve(ptr %t13, i64 %t44, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t45 = load ptr, ptr %t13
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t43
-  store { ptr, i64, i64 } %t42, ptr %t46
-  store i64 %t44, ptr %t14
-  %t47 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 3
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i32 0, i32 1
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.next(ptr %t49)
-  %t51 = extractvalue %S.lexer.Token %t50, 1
-  store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  %t55 = load i64, ptr %t48
-  %t56 = add i64 %t55, 1
-  call void @finch_arr_reserve(ptr %t47, i64 %t56, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t57 = load ptr, ptr %t47
-  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t57, i64 %t55
-  store { ptr, i64, i64 } %t54, ptr %t58
-  store i64 %t56, ptr %t48
-  br label %endif1305
-else1304:
-  %t59 = load ptr, ptr %a1
-  %t60 = call i1 @finch.parser.at(ptr %t59, { ptr, i64, i64 } { ptr @.str.733, i64 5, i64 0 })
-  %t61 = xor i1 %t60, true
-  br i1 %t61, label %then1308, label %endif1310
-then1308:
-  %t62 = load ptr, ptr %a1
-  %t63 = load %S.lexer.Token, ptr %a10
-  call void @finch.parser.fail(ptr %t62, %S.lexer.Token %t63, { ptr, i64, i64 } { ptr @.str.734, i64 51, i64 0 })
-  br label %endif1310
-endif1310:
-  %t64 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 2
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.next(ptr %t66)
-  %t68 = extractvalue %S.lexer.Token %t67, 1
-  store { ptr, i64, i64 } %t68, ptr %a69
-  call void @finch_str_copy(ptr %a70, ptr %a69)
-  %t71 = load { ptr, i64, i64 }, ptr %a70
-  %t72 = load i64, ptr %t65
-  %t73 = add i64 %t72, 1
-  call void @finch_arr_reserve(ptr %t64, i64 %t73, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t74 = load ptr, ptr %t64
-  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t74, i64 %t72
-  store { ptr, i64, i64 } %t71, ptr %t75
-  store i64 %t73, ptr %t65
-  br label %endif1305
-endif1305:
-  br label %endif1302
-else1301:
-  %t76 = load ptr, ptr %a1
-  %t77 = call i1 @finch.parser.at(ptr %t76, { ptr, i64, i64 } { ptr @.str.735, i64 4, i64 0 })
-  br i1 %t77, label %then1311, label %else1312
-then1311:
-  %t78 = load ptr, ptr %a1
-  %t79 = call %S.lexer.Token @finch.parser.next(ptr %t78)
-  store %S.lexer.Token %t79, ptr %a80
-  %t81 = load ptr, ptr %a1
-  %t82 = call %S.lexer.Token @finch.parser.expect(ptr %t81, { ptr, i64, i64 } { ptr @.str.736, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.737, i64 42, i64 0 })
-  %t83 = extractvalue %S.lexer.Token %t82, 1
-  store { ptr, i64, i64 } %t83, ptr %a84
-  call void @finch_str_copy(ptr %a85, ptr %a84)
-  %t86 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t88, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.739, i64 2, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_ends(ptr %a89, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br label %logic.from1314
-logic.from1314:
-  br i1 %t93, label %logic.end1316, label %logic.rhs1315
-logic.rhs1315:
-  %t94 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t94, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.741, i64 2, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_ends(ptr %a95, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.rend1317
-logic.rend1317:
-  br label %logic.end1316
-logic.end1316:
-  %t100 = phi i1 [ true, %logic.from1314 ], [ %t99, %logic.rend1317 ]
-  br label %logic.from1318
-logic.from1318:
-  br i1 %t100, label %logic.end1320, label %logic.rhs1319
-logic.rhs1319:
-  %t101 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.743, i64 2, i64 0 }, ptr %a104
-  %t105 = call i32 @finch_str_ends(ptr %a102, ptr %a104)
-  %t106 = icmp ne i32 %t105, 0
-  br label %logic.rend1321
-logic.rend1321:
-  br label %logic.end1320
-logic.end1320:
-  %t107 = phi i1 [ true, %logic.from1318 ], [ %t106, %logic.rend1321 ]
-  store i1 %t107, ptr %a108
-  %t109 = load i1, ptr %a108
-  %t110 = xor i1 %t109, true
-  br label %logic.from1322
-logic.from1322:
-  br i1 %t110, label %logic.rhs1323, label %logic.end1324
-logic.rhs1323:
-  %t111 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.745, i64 3, i64 0 }, ptr %a114
-  %t115 = call i32 @finch_str_starts(ptr %a112, ptr %a114)
-  %t116 = icmp ne i32 %t115, 0
-  br label %logic.from1325
-logic.from1325:
-  br i1 %t116, label %logic.end1327, label %logic.rhs1326
-logic.rhs1326:
-  %t117 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.747, i64 3, i64 0 }, ptr %a120
-  %t121 = call i64 @finch_str_find(ptr %a118, ptr %a120)
-  %t122 = icmp sge i64 %t121, 0
-  br label %logic.rend1328
-logic.rend1328:
-  br label %logic.end1327
-logic.end1327:
-  %t123 = phi i1 [ true, %logic.from1325 ], [ %t122, %logic.rend1328 ]
-  br label %logic.from1329
-logic.from1329:
-  br i1 %t123, label %logic.end1331, label %logic.rhs1330
-logic.rhs1330:
-  %t124 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.749, i64 1, i64 0 }, ptr %a127
-  %t128 = call i64 @finch_str_find(ptr %a125, ptr %a127)
-  %t129 = icmp sge i64 %t128, 0
-  br label %logic.rend1332
-logic.rend1332:
-  br label %logic.end1331
-logic.end1331:
-  %t130 = phi i1 [ true, %logic.from1329 ], [ %t129, %logic.rend1332 ]
-  br label %logic.rend1333
-logic.rend1333:
-  br label %logic.end1324
-logic.end1324:
-  %t131 = phi i1 [ false, %logic.from1322 ], [ %t130, %logic.rend1333 ]
-  br i1 %t131, label %then1334, label %endif1336
-then1334:
-  %t132 = load ptr, ptr %a1
-  %t133 = load %S.lexer.Token, ptr %a80
-  call void @finch.parser.fail(ptr %t132, %S.lexer.Token %t133, { ptr, i64, i64 } { ptr @.str.750, i64 65, i64 0 })
-  br label %endif1336
-endif1336:
-  %t134 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 5
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i32 0, i32 1
-  %t136 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t136, ptr %a137
-  call void @finch_str_copy(ptr %a138, ptr %a137)
-  %t139 = load { ptr, i64, i64 }, ptr %a138
-  %t140 = load i64, ptr %t135
-  %t141 = add i64 %t140, 1
-  call void @finch_arr_reserve(ptr %t134, i64 %t141, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t142 = load ptr, ptr %t134
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i64 %t140
-  store { ptr, i64, i64 } %t139, ptr %t143
-  store i64 %t141, ptr %t135
-  br label %endif1313
-else1312:
-  %t144 = load ptr, ptr %a1
-  %t145 = call i1 @finch.parser.at(ptr %t144, { ptr, i64, i64 } { ptr @.str.751, i64 6, i64 0 })
-  br i1 %t145, label %then1337, label %else1338
-then1337:
-  %t146 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 6
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i32 0, i32 1
-  %t148 = load ptr, ptr %a1
-  %t149 = call %S.ast.Node @finch.parser.parseStruct(ptr %t148)
-  %t150 = load i64, ptr %t147
-  %t151 = add i64 %t150, 1
-  call void @finch_arr_reserve(ptr %t146, i64 %t151, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t152 = load ptr, ptr %t146
-  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 %t150
-  store %S.ast.Node %t149, ptr %t153
-  store i64 %t151, ptr %t147
-  br label %endif1339
-else1338:
-  %t154 = load ptr, ptr %a1
-  %t155 = call i1 @finch.parser.at(ptr %t154, { ptr, i64, i64 } { ptr @.str.752, i64 4, i64 0 })
-  br i1 %t155, label %then1340, label %else1341
-then1340:
-  %t156 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 7
-  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i32 0, i32 1
-  %t158 = load ptr, ptr %a1
-  %t159 = call %S.ast.Node @finch.parser.parseEnum(ptr %t158)
-  %t160 = load i64, ptr %t157
-  %t161 = add i64 %t160, 1
-  call void @finch_arr_reserve(ptr %t156, i64 %t161, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t162 = load ptr, ptr %t156
-  %t163 = getelementptr inbounds %S.ast.Node, ptr %t162, i64 %t160
-  store %S.ast.Node %t159, ptr %t163
-  store i64 %t161, ptr %t157
-  br label %endif1342
-else1341:
-  %t164 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 8
+  store { ptr, i64, i64 } %t22, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.737, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = getelementptr inbounds %S.lexer.Token, ptr %a10, i32 0, i32 3
+  %t39 = load i64, ptr %t38
+  call void @finch_str_from_int(ptr %a40, i64 %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t37, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t37, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a42
+  %t48 = load i64, ptr %t14
+  %t49 = add i64 %t48, 1
+  call void @finch_arr_reserve(ptr %t13, i64 %t49, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t50 = load ptr, ptr %t13
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t48
+  store { ptr, i64, i64 } %t47, ptr %t51
+  store i64 %t49, ptr %t14
+  %t52 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 3
+  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i32 0, i32 1
+  %t54 = load ptr, ptr %a1
+  %t55 = call %S.lexer.Token @finch.parser.next(ptr %t54)
+  %t56 = extractvalue %S.lexer.Token %t55, 1
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_copy(ptr %a58, ptr %a57)
+  %t59 = load { ptr, i64, i64 }, ptr %a58
+  store %S.lexer.Token %t55, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  %t61 = load i64, ptr %t53
+  %t62 = add i64 %t61, 1
+  call void @finch_arr_reserve(ptr %t52, i64 %t62, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t63 = load ptr, ptr %t52
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i64 %t61
+  store { ptr, i64, i64 } %t59, ptr %t64
+  store i64 %t62, ptr %t53
+  br label %endif1359
+else1358:
+  %t65 = load ptr, ptr %a1
+  %t66 = call i1 @finch.parser.at(ptr %t65, { ptr, i64, i64 } { ptr @.str.738, i64 5, i64 0 })
+  %t67 = xor i1 %t66, true
+  br i1 %t67, label %then1362, label %endif1364
+then1362:
+  %t68 = load ptr, ptr %a1
+  %t69 = load %S.lexer.Token, ptr %a10
+  call void @finch.parser.fail(ptr %t68, %S.lexer.Token %t69, { ptr, i64, i64 } { ptr @.str.739, i64 51, i64 0 })
+  br label %endif1364
+endif1364:
+  %t70 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 2
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
+  %t72 = load ptr, ptr %a1
+  %t73 = call %S.lexer.Token @finch.parser.next(ptr %t72)
+  %t74 = extractvalue %S.lexer.Token %t73, 1
+  store { ptr, i64, i64 } %t74, ptr %a75
+  call void @finch_str_copy(ptr %a76, ptr %a75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  store %S.lexer.Token %t73, ptr %a78
+  call void @finch.drop.S_lexer_Token(ptr %a78)
+  %t79 = load i64, ptr %t71
+  %t80 = add i64 %t79, 1
+  call void @finch_arr_reserve(ptr %t70, i64 %t80, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t81 = load ptr, ptr %t70
+  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %t81, i64 %t79
+  store { ptr, i64, i64 } %t77, ptr %t82
+  store i64 %t80, ptr %t71
+  br label %endif1359
+endif1359:
+  call void @finch.drop.S_lexer_Token(ptr %a10)
+  br label %endif1356
+else1355:
+  %t83 = load ptr, ptr %a1
+  %t84 = call i1 @finch.parser.at(ptr %t83, { ptr, i64, i64 } { ptr @.str.740, i64 4, i64 0 })
+  br i1 %t84, label %then1365, label %else1366
+then1365:
+  %t85 = load ptr, ptr %a1
+  %t86 = call %S.lexer.Token @finch.parser.next(ptr %t85)
+  store %S.lexer.Token %t86, ptr %a87
+  %t88 = load ptr, ptr %a1
+  %t89 = call %S.lexer.Token @finch.parser.expect(ptr %t88, { ptr, i64, i64 } { ptr @.str.741, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.742, i64 42, i64 0 })
+  %t90 = extractvalue %S.lexer.Token %t89, 1
+  store { ptr, i64, i64 } %t90, ptr %a91
+  call void @finch_str_copy(ptr %a92, ptr %a91)
+  %t93 = load { ptr, i64, i64 }, ptr %a92
+  store %S.lexer.Token %t89, ptr %a94
+  call void @finch.drop.S_lexer_Token(ptr %a94)
+  store { ptr, i64, i64 } %t93, ptr %a95
+  %t96 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t96, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.744, i64 2, i64 0 }, ptr %a99
+  %t100 = call i32 @finch_str_ends(ptr %a97, ptr %a99)
+  %t101 = icmp ne i32 %t100, 0
+  br label %logic.from1368
+logic.from1368:
+  br i1 %t101, label %logic.end1370, label %logic.rhs1369
+logic.rhs1369:
+  %t102 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.746, i64 2, i64 0 }, ptr %a105
+  %t106 = call i32 @finch_str_ends(ptr %a103, ptr %a105)
+  %t107 = icmp ne i32 %t106, 0
+  br label %logic.rend1371
+logic.rend1371:
+  br label %logic.end1370
+logic.end1370:
+  %t108 = phi i1 [ true, %logic.from1368 ], [ %t107, %logic.rend1371 ]
+  br label %logic.from1372
+logic.from1372:
+  br i1 %t108, label %logic.end1374, label %logic.rhs1373
+logic.rhs1373:
+  %t109 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t109, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.748, i64 2, i64 0 }, ptr %a112
+  %t113 = call i32 @finch_str_ends(ptr %a110, ptr %a112)
+  %t114 = icmp ne i32 %t113, 0
+  br label %logic.rend1375
+logic.rend1375:
+  br label %logic.end1374
+logic.end1374:
+  %t115 = phi i1 [ true, %logic.from1372 ], [ %t114, %logic.rend1375 ]
+  store i1 %t115, ptr %a116
+  %t117 = load i1, ptr %a116
+  %t118 = xor i1 %t117, true
+  br label %logic.from1376
+logic.from1376:
+  br i1 %t118, label %logic.rhs1377, label %logic.end1378
+logic.rhs1377:
+  %t119 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t119, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.750, i64 3, i64 0 }, ptr %a122
+  %t123 = call i32 @finch_str_starts(ptr %a120, ptr %a122)
+  %t124 = icmp ne i32 %t123, 0
+  br label %logic.from1379
+logic.from1379:
+  br i1 %t124, label %logic.end1381, label %logic.rhs1380
+logic.rhs1380:
+  %t125 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t125, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.752, i64 3, i64 0 }, ptr %a128
+  %t129 = call i64 @finch_str_find(ptr %a126, ptr %a128)
+  %t130 = icmp sge i64 %t129, 0
+  br label %logic.rend1382
+logic.rend1382:
+  br label %logic.end1381
+logic.end1381:
+  %t131 = phi i1 [ true, %logic.from1379 ], [ %t130, %logic.rend1382 ]
+  br label %logic.from1383
+logic.from1383:
+  br i1 %t131, label %logic.end1385, label %logic.rhs1384
+logic.rhs1384:
+  %t132 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t132, ptr %a133
+  store { ptr, i64, i64 } { ptr @.str.754, i64 1, i64 0 }, ptr %a135
+  %t136 = call i64 @finch_str_find(ptr %a133, ptr %a135)
+  %t137 = icmp sge i64 %t136, 0
+  br label %logic.rend1386
+logic.rend1386:
+  br label %logic.end1385
+logic.end1385:
+  %t138 = phi i1 [ true, %logic.from1383 ], [ %t137, %logic.rend1386 ]
+  br label %logic.rend1387
+logic.rend1387:
+  br label %logic.end1378
+logic.end1378:
+  %t139 = phi i1 [ false, %logic.from1376 ], [ %t138, %logic.rend1387 ]
+  br i1 %t139, label %then1388, label %endif1390
+then1388:
+  %t140 = load ptr, ptr %a1
+  %t141 = load %S.lexer.Token, ptr %a87
+  call void @finch.parser.fail(ptr %t140, %S.lexer.Token %t141, { ptr, i64, i64 } { ptr @.str.755, i64 65, i64 0 })
+  br label %endif1390
+endif1390:
+  %t142 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 5
+  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i32 0, i32 1
+  %t144 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t144, ptr %a145
+  call void @finch_str_copy(ptr %a146, ptr %a145)
+  %t147 = load { ptr, i64, i64 }, ptr %a146
+  %t148 = load i64, ptr %t143
+  %t149 = add i64 %t148, 1
+  call void @finch_arr_reserve(ptr %t142, i64 %t149, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t150 = load ptr, ptr %t142
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t148
+  store { ptr, i64, i64 } %t147, ptr %t151
+  store i64 %t149, ptr %t143
+  call void @finch_str_drop(ptr %a95)
+  call void @finch.drop.S_lexer_Token(ptr %a87)
+  br label %endif1367
+else1366:
+  %t152 = load ptr, ptr %a1
+  %t153 = call i1 @finch.parser.at(ptr %t152, { ptr, i64, i64 } { ptr @.str.756, i64 6, i64 0 })
+  br i1 %t153, label %then1391, label %else1392
+then1391:
+  %t154 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 6
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i32 0, i32 1
+  %t156 = load ptr, ptr %a1
+  %t157 = call %S.ast.Node @finch.parser.parseStruct(ptr %t156)
+  %t158 = load i64, ptr %t155
+  %t159 = add i64 %t158, 1
+  call void @finch_arr_reserve(ptr %t154, i64 %t159, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t160 = load ptr, ptr %t154
+  %t161 = getelementptr inbounds %S.ast.Node, ptr %t160, i64 %t158
+  store %S.ast.Node %t157, ptr %t161
+  store i64 %t159, ptr %t155
+  br label %endif1393
+else1392:
+  %t162 = load ptr, ptr %a1
+  %t163 = call i1 @finch.parser.at(ptr %t162, { ptr, i64, i64 } { ptr @.str.757, i64 4, i64 0 })
+  br i1 %t163, label %then1394, label %else1395
+then1394:
+  %t164 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 7
   %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i32 0, i32 1
   %t166 = load ptr, ptr %a1
-  %t167 = call %S.ast.Node @finch.parser.parseFn(ptr %t166)
+  %t167 = call %S.ast.Node @finch.parser.parseEnum(ptr %t166)
   %t168 = load i64, ptr %t165
   %t169 = add i64 %t168, 1
   call void @finch_arr_reserve(ptr %t164, i64 %t169, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
@@ -15693,172 +17385,228 @@ else1341:
   %t171 = getelementptr inbounds %S.ast.Node, ptr %t170, i64 %t168
   store %S.ast.Node %t167, ptr %t171
   store i64 %t169, ptr %t165
-  br label %endif1342
-endif1342:
-  br label %endif1339
-endif1339:
-  br label %endif1313
-endif1313:
-  br label %endif1302
-endif1302:
-  br label %while.cond1297
-while.end1299:
-  %t172 = load %S.ast.Program, ptr %a2
-  store %S.ast.Program %t172, ptr %a173
-  call void @finch.copy.S_ast_Program(ptr %a174, ptr %a173)
-  %t175 = load %S.ast.Program, ptr %a174
-  ret %S.ast.Program %t175
+  br label %endif1396
+else1395:
+  %t172 = getelementptr inbounds %S.ast.Program, ptr %a2, i32 0, i32 8
+  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i32 0, i32 1
+  %t174 = load ptr, ptr %a1
+  %t175 = call %S.ast.Node @finch.parser.parseFn(ptr %t174)
+  %t176 = load i64, ptr %t173
+  %t177 = add i64 %t176, 1
+  call void @finch_arr_reserve(ptr %t172, i64 %t177, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t178 = load ptr, ptr %t172
+  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i64 %t176
+  store %S.ast.Node %t175, ptr %t179
+  store i64 %t177, ptr %t173
+  br label %endif1396
+endif1396:
+  br label %endif1393
+endif1393:
+  br label %endif1367
+endif1367:
+  br label %endif1356
+endif1356:
+  br label %while.cond1351
+while.end1353:
+  %t180 = load %S.ast.Program, ptr %a2
+  ret %S.ast.Program %t180
 }
 
 define internal %S.ast.Node @finch.parser.parseEnum(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca %S.lexer.Token, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca %S.ast.Node, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca %S.lexer.Token, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.lexer.Token, align 16
+  %a29 = alloca %S.lexer.Token, align 16
+  %a32 = alloca %S.ast.Node, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca %S.ast.Node, align 16
-  %a55 = alloca %S.ast.Node, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca %S.ast.Node, align 16
-  %a86 = alloca %S.ast.Node, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca %S.lexer.Token, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.lexer.Token, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca %S.ast.Node, align 16
+  %a70 = alloca %S.ast.Node, align 16
+  %a82 = alloca %S.lexer.Token, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca %S.lexer.Token, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.753, i64 4, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.758, i64 4, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.754, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.755, i64 6, i64 0 })
-  %t7 = load ptr, ptr %a1
-  %t8 = call %S.lexer.Token @finch.parser.expect(ptr %t7, { ptr, i64, i64 } { ptr @.str.756, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.757, i64 12, i64 0 })
-  %t9 = extractvalue %S.lexer.Token %t8, 1
-  store { ptr, i64, i64 } %t9, ptr %a10
-  call void @finch_str_copy(ptr %a11, ptr %a10)
-  %t12 = load { ptr, i64, i64 }, ptr %a11
-  %t13 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t12, ptr %t13
-  %t14 = load ptr, ptr %a1
-  %t15 = call %S.lexer.Token @finch.parser.expect(ptr %t14, { ptr, i64, i64 } { ptr @.str.758, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.759, i64 3, i64 0 })
-  br label %while.cond1343
-while.cond1343:
-  %t16 = load ptr, ptr %a1
-  %t17 = call i1 @finch.parser.at(ptr %t16, { ptr, i64, i64 } { ptr @.str.760, i64 1, i64 0 })
-  %t18 = xor i1 %t17, true
-  br i1 %t18, label %while.body1344, label %while.end1345
-while.body1344:
-  %t19 = load ptr, ptr %a1
-  %t20 = call i1 @finch.parser.at(ptr %t19, { ptr, i64, i64 } { ptr @.str.761, i64 3, i64 0 })
-  br i1 %t20, label %then1346, label %endif1348
-then1346:
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.759, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.760, i64 6, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = load ptr, ptr %a1
+  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.761, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.762, i64 12, i64 0 })
+  %t10 = extractvalue %S.lexer.Token %t9, 1
+  store { ptr, i64, i64 } %t10, ptr %a11
+  call void @finch_str_copy(ptr %a12, ptr %a11)
+  %t13 = load { ptr, i64, i64 }, ptr %a12
+  store %S.lexer.Token %t9, ptr %a14
+  call void @finch.drop.S_lexer_Token(ptr %a14)
+  %t15 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t16 = load { ptr, i64, i64 }, ptr %t15
+  store { ptr, i64, i64 } %t13, ptr %t15
+  store { ptr, i64, i64 } %t16, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load ptr, ptr %a1
+  %t19 = call %S.lexer.Token @finch.parser.expect(ptr %t18, { ptr, i64, i64 } { ptr @.str.763, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.764, i64 3, i64 0 })
+  store %S.lexer.Token %t19, ptr %a20
+  call void @finch.drop.S_lexer_Token(ptr %a20)
+  br label %while.cond1397
+while.cond1397:
   %t21 = load ptr, ptr %a1
-  %t22 = load ptr, ptr %a1
-  %t23 = call %S.lexer.Token @finch.parser.cur(ptr %t22)
-  call void @finch.parser.fail(ptr %t21, %S.lexer.Token %t23, { ptr, i64, i64 } { ptr @.str.762, i64 37, i64 0 })
-  br label %endif1348
-endif1348:
+  %t22 = call i1 @finch.parser.at(ptr %t21, { ptr, i64, i64 } { ptr @.str.765, i64 1, i64 0 })
+  %t23 = xor i1 %t22, true
+  br i1 %t23, label %while.body1398, label %while.end1399
+while.body1398:
   %t24 = load ptr, ptr %a1
-  %t25 = call %S.ast.Node @finch.parser.node(ptr %t24, { ptr, i64, i64 } { ptr @.str.763, i64 7, i64 0 })
-  store %S.ast.Node %t25, ptr %a26
+  %t25 = call i1 @finch.parser.at(ptr %t24, { ptr, i64, i64 } { ptr @.str.766, i64 3, i64 0 })
+  br i1 %t25, label %then1400, label %endif1402
+then1400:
+  %t26 = load ptr, ptr %a1
   %t27 = load ptr, ptr %a1
-  %t28 = call %S.lexer.Token @finch.parser.expect(ptr %t27, { ptr, i64, i64 } { ptr @.str.764, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.765, i64 24, i64 0 })
-  %t29 = extractvalue %S.lexer.Token %t28, 1
-  store { ptr, i64, i64 } %t29, ptr %a30
-  call void @finch_str_copy(ptr %a31, ptr %a30)
-  %t32 = load { ptr, i64, i64 }, ptr %a31
-  %t33 = getelementptr inbounds %S.ast.Node, ptr %a26, i32 0, i32 1
-  store { ptr, i64, i64 } %t32, ptr %t33
-  %t34 = load ptr, ptr %a1
-  %t35 = call i1 @finch.parser.accept(ptr %t34, { ptr, i64, i64 } { ptr @.str.766, i64 1, i64 0 })
-  br i1 %t35, label %then1349, label %endif1351
-then1349:
-  store { ptr, i64, i64 } { ptr @.str.767, i64 0, i64 0 }, ptr %a36
-  %t37 = load ptr, ptr %a1
-  %t38 = call i1 @finch.parser.accept(ptr %t37, { ptr, i64, i64 } { ptr @.str.768, i64 1, i64 0 })
-  br i1 %t38, label %then1352, label %endif1354
-then1352:
-  store { ptr, i64, i64 } { ptr @.str.769, i64 1, i64 0 }, ptr %a36
-  br label %endif1354
-endif1354:
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load ptr, ptr %a1
-  %t41 = call %S.lexer.Token @finch.parser.expect(ptr %t40, { ptr, i64, i64 } { ptr @.str.770, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.771, i64 30, i64 0 })
-  %t42 = extractvalue %S.lexer.Token %t41, 1
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch_str_copy(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t39, ptr %a47
-  store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  %t50 = getelementptr inbounds %S.ast.Node, ptr %a26, i32 0, i32 4
-  store { ptr, i64, i64 } %t49, ptr %t50
-  br label %endif1351
-endif1351:
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i32 0, i32 1
-  %t53 = load %S.ast.Node, ptr %a26
-  store %S.ast.Node %t53, ptr %a54
-  call void @finch.copy.S_ast_Node(ptr %a55, ptr %a54)
-  %t56 = load %S.ast.Node, ptr %a55
-  %t57 = load i64, ptr %t52
-  %t58 = add i64 %t57, 1
-  call void @finch_arr_reserve(ptr %t51, i64 %t58, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t59 = load ptr, ptr %t51
-  %t60 = getelementptr inbounds %S.ast.Node, ptr %t59, i64 %t57
-  store %S.ast.Node %t56, ptr %t60
-  store i64 %t58, ptr %t52
-  %t61 = load ptr, ptr %a1
-  %t62 = call i1 @finch.parser.accept(ptr %t61, { ptr, i64, i64 } { ptr @.str.772, i64 1, i64 0 })
-  %t63 = xor i1 %t62, true
-  br i1 %t63, label %then1355, label %endif1357
-then1355:
-  %t64 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t64)
-  br label %endif1357
-endif1357:
-  br label %while.cond1343
-while.end1345:
-  %t65 = load ptr, ptr %a1
-  %t66 = call %S.lexer.Token @finch.parser.next(ptr %t65)
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
-  %t69 = load i64, ptr %t68
-  %t70 = icmp eq i64 %t69, 0
-  br i1 %t70, label %then1358, label %endif1360
-then1358:
-  %t71 = load ptr, ptr %a1
-  %t72 = load ptr, ptr %a1
-  %t73 = call %S.lexer.Token @finch.parser.cur(ptr %t72)
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  %t75 = load { ptr, i64, i64 }, ptr %t74
-  store { ptr, i64, i64 } { ptr @.str.773, i64 9, i64 0 }, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.774, i64 16, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  call void @finch.parser.fail(ptr %t71, %S.lexer.Token %t73, { ptr, i64, i64 } %t83)
-  br label %endif1360
-endif1360:
-  %t84 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t84, ptr %a85
-  call void @finch.copy.S_ast_Node(ptr %a86, ptr %a85)
-  %t87 = load %S.ast.Node, ptr %a86
-  ret %S.ast.Node %t87
+  %t28 = call %S.lexer.Token @finch.parser.cur(ptr %t27)
+  call void @finch.parser.fail(ptr %t26, %S.lexer.Token %t28, { ptr, i64, i64 } { ptr @.str.767, i64 37, i64 0 })
+  store %S.lexer.Token %t28, ptr %a29
+  call void @finch.drop.S_lexer_Token(ptr %a29)
+  br label %endif1402
+endif1402:
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.ast.Node @finch.parser.node(ptr %t30, { ptr, i64, i64 } { ptr @.str.768, i64 7, i64 0 })
+  store %S.ast.Node %t31, ptr %a32
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.lexer.Token @finch.parser.expect(ptr %t33, { ptr, i64, i64 } { ptr @.str.769, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.770, i64 24, i64 0 })
+  %t35 = extractvalue %S.lexer.Token %t34, 1
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_copy(ptr %a37, ptr %a36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  store %S.lexer.Token %t34, ptr %a39
+  call void @finch.drop.S_lexer_Token(ptr %a39)
+  %t40 = getelementptr inbounds %S.ast.Node, ptr %a32, i32 0, i32 1
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t38, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load ptr, ptr %a1
+  %t44 = call i1 @finch.parser.accept(ptr %t43, { ptr, i64, i64 } { ptr @.str.771, i64 1, i64 0 })
+  br i1 %t44, label %then1403, label %endif1405
+then1403:
+  store { ptr, i64, i64 } { ptr @.str.772, i64 0, i64 0 }, ptr %a45
+  %t46 = load ptr, ptr %a1
+  %t47 = call i1 @finch.parser.accept(ptr %t46, { ptr, i64, i64 } { ptr @.str.773, i64 1, i64 0 })
+  br i1 %t47, label %then1406, label %endif1408
+then1406:
+  %t48 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.774, i64 1, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } %t48, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  br label %endif1408
+endif1408:
+  %t50 = load { ptr, i64, i64 }, ptr %a45
+  %t51 = load ptr, ptr %a1
+  %t52 = call %S.lexer.Token @finch.parser.expect(ptr %t51, { ptr, i64, i64 } { ptr @.str.775, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.776, i64 30, i64 0 })
+  %t53 = extractvalue %S.lexer.Token %t52, 1
+  store { ptr, i64, i64 } %t53, ptr %a54
+  call void @finch_str_copy(ptr %a55, ptr %a54)
+  %t56 = load { ptr, i64, i64 }, ptr %a55
+  store %S.lexer.Token %t52, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  store { ptr, i64, i64 } %t50, ptr %a59
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
+  store { ptr, i64, i64 } %t56, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load { ptr, i64, i64 }, ptr %a58
+  %t63 = getelementptr inbounds %S.ast.Node, ptr %a32, i32 0, i32 4
+  %t64 = load { ptr, i64, i64 }, ptr %t63
+  store { ptr, i64, i64 } %t62, ptr %t63
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  call void @finch_str_drop(ptr %a45)
+  br label %endif1405
+endif1405:
+  %t66 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i32 0, i32 1
+  %t68 = load %S.ast.Node, ptr %a32
+  store %S.ast.Node %t68, ptr %a69
+  call void @finch.copy.S_ast_Node(ptr %a70, ptr %a69)
+  %t71 = load %S.ast.Node, ptr %a70
+  %t72 = load i64, ptr %t67
+  %t73 = add i64 %t72, 1
+  call void @finch_arr_reserve(ptr %t66, i64 %t73, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t74 = load ptr, ptr %t66
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t72
+  store %S.ast.Node %t71, ptr %t75
+  store i64 %t73, ptr %t67
+  %t76 = load ptr, ptr %a1
+  %t77 = call i1 @finch.parser.accept(ptr %t76, { ptr, i64, i64 } { ptr @.str.777, i64 1, i64 0 })
+  %t78 = xor i1 %t77, true
+  br i1 %t78, label %then1409, label %endif1411
+then1409:
+  %t79 = load ptr, ptr %a1
+  call void @finch.parser.endOfStatement(ptr %t79)
+  br label %endif1411
+endif1411:
+  call void @finch.drop.S_ast_Node(ptr %a32)
+  br label %while.cond1397
+while.end1399:
+  %t80 = load ptr, ptr %a1
+  %t81 = call %S.lexer.Token @finch.parser.next(ptr %t80)
+  store %S.lexer.Token %t81, ptr %a82
+  call void @finch.drop.S_lexer_Token(ptr %a82)
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = icmp eq i64 %t85, 0
+  br i1 %t86, label %then1412, label %endif1414
+then1412:
+  %t87 = load ptr, ptr %a1
+  %t88 = load ptr, ptr %a1
+  %t89 = call %S.lexer.Token @finch.parser.cur(ptr %t88)
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t91 = load { ptr, i64, i64 }, ptr %t90
+  store { ptr, i64, i64 } { ptr @.str.778, i64 9, i64 0 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.779, i64 16, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.parser.fail(ptr %t87, %S.lexer.Token %t89, { ptr, i64, i64 } %t100)
+  store %S.lexer.Token %t89, ptr %a101
+  call void @finch.drop.S_lexer_Token(ptr %a101)
+  store { ptr, i64, i64 } %t100, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif1414
+endif1414:
+  %t103 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t103
 }
 
 define internal %S.ast.Node @finch.parser.parseMatch(ptr %p0, i1 %p1) {
@@ -15866,288 +17614,307 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca i1, align 16
   %a5 = alloca %S.ast.Node, align 16
-  %a24 = alloca i64, align 16
-  %a38 = alloca %S.ast.Node, align 16
+  %a10 = alloca %S.lexer.Token, align 16
+  %a21 = alloca %S.lexer.Token, align 16
+  %a26 = alloca i64, align 16
+  %a38 = alloca %S.lexer.Token, align 16
   %a41 = alloca %S.ast.Node, align 16
-  %a59 = alloca %S.ast.Node, align 16
-  %a60 = alloca %S.ast.Node, align 16
-  %a101 = alloca %S.ast.Node, align 16
-  %a102 = alloca %S.ast.Node, align 16
-  %a126 = alloca %S.ast.Node, align 16
-  %a127 = alloca %S.ast.Node, align 16
+  %a44 = alloca %S.ast.Node, align 16
+  %a62 = alloca %S.ast.Node, align 16
+  %a63 = alloca %S.ast.Node, align 16
+  %a71 = alloca %S.lexer.Token, align 16
+  %a105 = alloca %S.ast.Node, align 16
+  %a106 = alloca %S.ast.Node, align 16
+  %a122 = alloca %S.lexer.Token, align 16
+  %a130 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   store i1 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call %S.ast.Node @finch.parser.node(ptr %t3, { ptr, i64, i64 } { ptr @.str.775, i64 5, i64 0 })
+  %t4 = call %S.ast.Node @finch.parser.node(ptr %t3, { ptr, i64, i64 } { ptr @.str.780, i64 5, i64 0 })
   store %S.ast.Node %t4, ptr %a5
   %t6 = load i1, ptr %a2
   %t7 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 6
   store i1 %t6, ptr %t7
   %t8 = load ptr, ptr %a1
-  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.776, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.777, i64 7, i64 0 })
-  %t10 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
-  %t12 = load ptr, ptr %a1
-  %t13 = call %S.ast.Node @finch.parser.parseExpr(ptr %t12)
-  %t14 = load i64, ptr %t11
-  %t15 = add i64 %t14, 1
-  call void @finch_arr_reserve(ptr %t10, i64 %t15, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t16 = load ptr, ptr %t10
-  %t17 = getelementptr inbounds %S.ast.Node, ptr %t16, i64 %t14
-  store %S.ast.Node %t13, ptr %t17
-  store i64 %t15, ptr %t11
-  %t18 = load ptr, ptr %a1
-  %t19 = call %S.lexer.Token @finch.parser.expect(ptr %t18, { ptr, i64, i64 } { ptr @.str.778, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.779, i64 3, i64 0 })
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic1361, label %ok1362
-panic1361:
-  call void @finch_panic(ptr @.str.780, i64 300, ptr @.str.781)
+  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.781, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.782, i64 7, i64 0 })
+  store %S.lexer.Token %t9, ptr %a10
+  call void @finch.drop.S_lexer_Token(ptr %a10)
+  %t11 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
+  %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t11, i32 0, i32 1
+  %t13 = load ptr, ptr %a1
+  %t14 = call %S.ast.Node @finch.parser.parseExpr(ptr %t13)
+  %t15 = load i64, ptr %t12
+  %t16 = add i64 %t15, 1
+  call void @finch_arr_reserve(ptr %t11, i64 %t16, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t17 = load ptr, ptr %t11
+  %t18 = getelementptr inbounds %S.ast.Node, ptr %t17, i64 %t15
+  store %S.ast.Node %t14, ptr %t18
+  store i64 %t16, ptr %t12
+  %t19 = load ptr, ptr %a1
+  %t20 = call %S.lexer.Token @finch.parser.expect(ptr %t19, { ptr, i64, i64 } { ptr @.str.783, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.784, i64 3, i64 0 })
+  store %S.lexer.Token %t20, ptr %a21
+  call void @finch.drop.S_lexer_Token(ptr %a21)
+  %t22 = load ptr, ptr %a1
+  %t23 = icmp eq ptr %t22, null
+  br i1 %t23, label %panic1415, label %ok1416
+panic1415:
+  call void @finch_panic(ptr @.str.785, i64 300, ptr @.str.786)
   unreachable
-ok1362:
-  %t22 = getelementptr inbounds %S.parser.Parser, ptr %t20, i32 0, i32 2
-  %t23 = load i64, ptr %t22
-  store i64 %t23, ptr %a24
-  %t25 = load ptr, ptr %a1
-  %t26 = icmp eq ptr %t25, null
-  br i1 %t26, label %panic1363, label %ok1364
-panic1363:
-  call void @finch_panic(ptr @.str.782, i64 301, ptr @.str.783)
+ok1416:
+  %t24 = getelementptr inbounds %S.parser.Parser, ptr %t22, i32 0, i32 2
+  %t25 = load i64, ptr %t24
+  store i64 %t25, ptr %a26
+  %t27 = load ptr, ptr %a1
+  %t28 = icmp eq ptr %t27, null
+  br i1 %t28, label %panic1417, label %ok1418
+panic1417:
+  call void @finch_panic(ptr @.str.787, i64 301, ptr @.str.788)
   unreachable
-ok1364:
-  %t27 = getelementptr inbounds %S.parser.Parser, ptr %t25, i32 0, i32 2
-  store i64 0, ptr %t27
-  br label %while.cond1365
-while.cond1365:
-  %t28 = load ptr, ptr %a1
-  %t29 = call i1 @finch.parser.at(ptr %t28, { ptr, i64, i64 } { ptr @.str.784, i64 1, i64 0 })
-  %t30 = xor i1 %t29, true
-  br i1 %t30, label %while.body1366, label %while.end1367
-while.body1366:
-  %t31 = load ptr, ptr %a1
-  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.785, i64 3, i64 0 })
-  br i1 %t32, label %then1368, label %endif1370
-then1368:
+ok1418:
+  %t29 = getelementptr inbounds %S.parser.Parser, ptr %t27, i32 0, i32 2
+  store i64 0, ptr %t29
+  br label %while.cond1419
+while.cond1419:
+  %t30 = load ptr, ptr %a1
+  %t31 = call i1 @finch.parser.at(ptr %t30, { ptr, i64, i64 } { ptr @.str.789, i64 1, i64 0 })
+  %t32 = xor i1 %t31, true
+  br i1 %t32, label %while.body1420, label %while.end1421
+while.body1420:
   %t33 = load ptr, ptr %a1
-  %t34 = load ptr, ptr %a1
-  %t35 = call %S.lexer.Token @finch.parser.cur(ptr %t34)
-  call void @finch.parser.fail(ptr %t33, %S.lexer.Token %t35, { ptr, i64, i64 } { ptr @.str.786, i64 37, i64 0 })
-  br label %endif1370
-endif1370:
+  %t34 = call i1 @finch.parser.at(ptr %t33, { ptr, i64, i64 } { ptr @.str.790, i64 3, i64 0 })
+  br i1 %t34, label %then1422, label %endif1424
+then1422:
+  %t35 = load ptr, ptr %a1
   %t36 = load ptr, ptr %a1
-  %t37 = call %S.ast.Node @finch.parser.node(ptr %t36, { ptr, i64, i64 } { ptr @.str.787, i64 3, i64 0 })
-  store %S.ast.Node %t37, ptr %a38
+  %t37 = call %S.lexer.Token @finch.parser.cur(ptr %t36)
+  call void @finch.parser.fail(ptr %t35, %S.lexer.Token %t37, { ptr, i64, i64 } { ptr @.str.791, i64 37, i64 0 })
+  store %S.lexer.Token %t37, ptr %a38
+  call void @finch.drop.S_lexer_Token(ptr %a38)
+  br label %endif1424
+endif1424:
   %t39 = load ptr, ptr %a1
-  %t40 = call %S.ast.Node @finch.parser.node(ptr %t39, { ptr, i64, i64 } { ptr @.str.788, i64 8, i64 0 })
+  %t40 = call %S.ast.Node @finch.parser.node(ptr %t39, { ptr, i64, i64 } { ptr @.str.792, i64 3, i64 0 })
   store %S.ast.Node %t40, ptr %a41
   %t42 = load ptr, ptr %a1
-  %t43 = call i1 @finch.parser.accept(ptr %t42, { ptr, i64, i64 } { ptr @.str.789, i64 4, i64 0 })
-  br i1 %t43, label %then1371, label %else1372
-then1371:
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 6
-  store i1 true, ptr %t44
-  br label %endif1373
-else1372:
-  br label %while.cond1374
-while.cond1374:
-  br label %while.body1375
-while.body1375:
-  %t45 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i32 0, i32 1
-  %t47 = load ptr, ptr %a1
-  %t48 = call %S.ast.Node @finch.parser.parseExpr(ptr %t47)
-  %t49 = load i64, ptr %t46
-  %t50 = add i64 %t49, 1
-  call void @finch_arr_reserve(ptr %t45, i64 %t50, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t51 = load ptr, ptr %t45
-  %t52 = getelementptr inbounds %S.ast.Node, ptr %t51, i64 %t49
-  store %S.ast.Node %t48, ptr %t52
-  store i64 %t50, ptr %t46
-  %t53 = load ptr, ptr %a1
-  %t54 = call i1 @finch.parser.accept(ptr %t53, { ptr, i64, i64 } { ptr @.str.790, i64 1, i64 0 })
-  %t55 = xor i1 %t54, true
-  br i1 %t55, label %then1377, label %endif1379
-then1377:
-  br label %while.end1376
-endif1379:
-  br label %while.cond1374
-while.end1376:
-  br label %endif1373
-endif1373:
-  %t56 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i32 0, i32 1
-  %t58 = load %S.ast.Node, ptr %a41
-  store %S.ast.Node %t58, ptr %a59
-  call void @finch.copy.S_ast_Node(ptr %a60, ptr %a59)
-  %t61 = load %S.ast.Node, ptr %a60
-  %t62 = load i64, ptr %t57
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %t56, i64 %t63, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %t56
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 %t62
-  store %S.ast.Node %t61, ptr %t65
-  store i64 %t63, ptr %t57
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.expect(ptr %t66, { ptr, i64, i64 } { ptr @.str.791, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.792, i64 57, i64 0 })
-  %t68 = load ptr, ptr %a1
-  %t69 = call i1 @finch.parser.at(ptr %t68, { ptr, i64, i64 } { ptr @.str.793, i64 1, i64 0 })
-  br label %logic.from1380
-logic.from1380:
-  br i1 %t69, label %logic.rhs1381, label %logic.end1382
-logic.rhs1381:
-  %t70 = load i1, ptr %a2
-  %t71 = xor i1 %t70, true
-  br label %logic.rend1383
-logic.rend1383:
-  br label %logic.end1382
-logic.end1382:
-  %t72 = phi i1 [ false, %logic.from1380 ], [ %t71, %logic.rend1383 ]
-  br i1 %t72, label %then1384, label %else1385
-then1384:
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load ptr, ptr %a1
-  %t76 = call %S.ast.Node @finch.parser.parseBlock(ptr %t75)
-  %t77 = load i64, ptr %t74
-  %t78 = add i64 %t77, 1
-  call void @finch_arr_reserve(ptr %t73, i64 %t78, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t79 = load ptr, ptr %t73
-  %t80 = getelementptr inbounds %S.ast.Node, ptr %t79, i64 %t77
-  store %S.ast.Node %t76, ptr %t80
-  store i64 %t78, ptr %t74
-  br label %endif1386
-else1385:
-  %t81 = load i1, ptr %a2
-  br i1 %t81, label %then1387, label %else1388
-then1387:
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i32 0, i32 1
-  %t84 = load ptr, ptr %a1
-  %t85 = call %S.ast.Node @finch.parser.parseExpr(ptr %t84)
-  %t86 = load i64, ptr %t83
-  %t87 = add i64 %t86, 1
-  call void @finch_arr_reserve(ptr %t82, i64 %t87, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t88 = load ptr, ptr %t82
-  %t89 = getelementptr inbounds %S.ast.Node, ptr %t88, i64 %t86
-  store %S.ast.Node %t85, ptr %t89
-  store i64 %t87, ptr %t83
-  br label %endif1389
-else1388:
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %a38, i32 0, i32 9
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i32 0, i32 1
-  %t92 = load ptr, ptr %a1
-  %t93 = call %S.ast.Node @finch.parser.parseStatement(ptr %t92)
-  %t94 = load i64, ptr %t91
-  %t95 = add i64 %t94, 1
-  call void @finch_arr_reserve(ptr %t90, i64 %t95, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t96 = load ptr, ptr %t90
-  %t97 = getelementptr inbounds %S.ast.Node, ptr %t96, i64 %t94
-  store %S.ast.Node %t93, ptr %t97
-  store i64 %t95, ptr %t91
-  br label %endif1389
-endif1389:
-  br label %endif1386
-endif1386:
-  %t98 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
-  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
-  %t100 = load %S.ast.Node, ptr %a38
-  store %S.ast.Node %t100, ptr %a101
-  call void @finch.copy.S_ast_Node(ptr %a102, ptr %a101)
-  %t103 = load %S.ast.Node, ptr %a102
-  %t104 = load i64, ptr %t99
-  %t105 = add i64 %t104, 1
-  call void @finch_arr_reserve(ptr %t98, i64 %t105, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t106 = load ptr, ptr %t98
-  %t107 = getelementptr inbounds %S.ast.Node, ptr %t106, i64 %t104
-  store %S.ast.Node %t103, ptr %t107
-  store i64 %t105, ptr %t99
-  %t108 = load ptr, ptr %a1
-  %t109 = call i1 @finch.parser.accept(ptr %t108, { ptr, i64, i64 } { ptr @.str.794, i64 1, i64 0 })
-  %t110 = xor i1 %t109, true
-  br i1 %t110, label %then1390, label %endif1392
-then1390:
-  %t111 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t111)
-  br label %endif1392
-endif1392:
-  br label %while.cond1365
-while.end1367:
-  %t112 = load i64, ptr %a24
-  %t113 = load ptr, ptr %a1
-  %t114 = icmp eq ptr %t113, null
-  br i1 %t114, label %panic1393, label %ok1394
-panic1393:
-  call void @finch_panic(ptr @.str.795, i64 332, ptr @.str.796)
+  %t43 = call %S.ast.Node @finch.parser.node(ptr %t42, { ptr, i64, i64 } { ptr @.str.793, i64 8, i64 0 })
+  store %S.ast.Node %t43, ptr %a44
+  %t45 = load ptr, ptr %a1
+  %t46 = call i1 @finch.parser.accept(ptr %t45, { ptr, i64, i64 } { ptr @.str.794, i64 4, i64 0 })
+  br i1 %t46, label %then1425, label %else1426
+then1425:
+  %t47 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 6
+  store i1 true, ptr %t47
+  br label %endif1427
+else1426:
+  br label %while.cond1428
+while.cond1428:
+  br label %while.body1429
+while.body1429:
+  %t48 = getelementptr inbounds %S.ast.Node, ptr %a44, i32 0, i32 9
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i32 0, i32 1
+  %t50 = load ptr, ptr %a1
+  %t51 = call %S.ast.Node @finch.parser.parseExpr(ptr %t50)
+  %t52 = load i64, ptr %t49
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %t48, i64 %t53, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %t48
+  %t55 = getelementptr inbounds %S.ast.Node, ptr %t54, i64 %t52
+  store %S.ast.Node %t51, ptr %t55
+  store i64 %t53, ptr %t49
+  %t56 = load ptr, ptr %a1
+  %t57 = call i1 @finch.parser.accept(ptr %t56, { ptr, i64, i64 } { ptr @.str.795, i64 1, i64 0 })
+  %t58 = xor i1 %t57, true
+  br i1 %t58, label %then1431, label %endif1433
+then1431:
+  br label %while.end1430
+endif1433:
+  br label %while.cond1428
+while.end1430:
+  br label %endif1427
+endif1427:
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i32 0, i32 1
+  %t61 = load %S.ast.Node, ptr %a44
+  store %S.ast.Node %t61, ptr %a62
+  call void @finch.copy.S_ast_Node(ptr %a63, ptr %a62)
+  %t64 = load %S.ast.Node, ptr %a63
+  %t65 = load i64, ptr %t60
+  %t66 = add i64 %t65, 1
+  call void @finch_arr_reserve(ptr %t59, i64 %t66, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t67 = load ptr, ptr %t59
+  %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 %t65
+  store %S.ast.Node %t64, ptr %t68
+  store i64 %t66, ptr %t60
+  %t69 = load ptr, ptr %a1
+  %t70 = call %S.lexer.Token @finch.parser.expect(ptr %t69, { ptr, i64, i64 } { ptr @.str.796, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.797, i64 57, i64 0 })
+  store %S.lexer.Token %t70, ptr %a71
+  call void @finch.drop.S_lexer_Token(ptr %a71)
+  %t72 = load ptr, ptr %a1
+  %t73 = call i1 @finch.parser.at(ptr %t72, { ptr, i64, i64 } { ptr @.str.798, i64 1, i64 0 })
+  br label %logic.from1434
+logic.from1434:
+  br i1 %t73, label %logic.rhs1435, label %logic.end1436
+logic.rhs1435:
+  %t74 = load i1, ptr %a2
+  %t75 = xor i1 %t74, true
+  br label %logic.rend1437
+logic.rend1437:
+  br label %logic.end1436
+logic.end1436:
+  %t76 = phi i1 [ false, %logic.from1434 ], [ %t75, %logic.rend1437 ]
+  br i1 %t76, label %then1438, label %else1439
+then1438:
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
+  %t79 = load ptr, ptr %a1
+  %t80 = call %S.ast.Node @finch.parser.parseBlock(ptr %t79)
+  %t81 = load i64, ptr %t78
+  %t82 = add i64 %t81, 1
+  call void @finch_arr_reserve(ptr %t77, i64 %t82, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t83 = load ptr, ptr %t77
+  %t84 = getelementptr inbounds %S.ast.Node, ptr %t83, i64 %t81
+  store %S.ast.Node %t80, ptr %t84
+  store i64 %t82, ptr %t78
+  br label %endif1440
+else1439:
+  %t85 = load i1, ptr %a2
+  br i1 %t85, label %then1441, label %else1442
+then1441:
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
+  %t88 = load ptr, ptr %a1
+  %t89 = call %S.ast.Node @finch.parser.parseExpr(ptr %t88)
+  %t90 = load i64, ptr %t87
+  %t91 = add i64 %t90, 1
+  call void @finch_arr_reserve(ptr %t86, i64 %t91, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t92 = load ptr, ptr %t86
+  %t93 = getelementptr inbounds %S.ast.Node, ptr %t92, i64 %t90
+  store %S.ast.Node %t89, ptr %t93
+  store i64 %t91, ptr %t87
+  br label %endif1443
+else1442:
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a41, i32 0, i32 9
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
+  %t96 = load ptr, ptr %a1
+  %t97 = call %S.ast.Node @finch.parser.parseStatement(ptr %t96)
+  %t98 = load i64, ptr %t95
+  %t99 = add i64 %t98, 1
+  call void @finch_arr_reserve(ptr %t94, i64 %t99, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t100 = load ptr, ptr %t94
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 %t98
+  store %S.ast.Node %t97, ptr %t101
+  store i64 %t99, ptr %t95
+  br label %endif1443
+endif1443:
+  br label %endif1440
+endif1440:
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i32 0, i32 1
+  %t104 = load %S.ast.Node, ptr %a41
+  store %S.ast.Node %t104, ptr %a105
+  call void @finch.copy.S_ast_Node(ptr %a106, ptr %a105)
+  %t107 = load %S.ast.Node, ptr %a106
+  %t108 = load i64, ptr %t103
+  %t109 = add i64 %t108, 1
+  call void @finch_arr_reserve(ptr %t102, i64 %t109, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t110 = load ptr, ptr %t102
+  %t111 = getelementptr inbounds %S.ast.Node, ptr %t110, i64 %t108
+  store %S.ast.Node %t107, ptr %t111
+  store i64 %t109, ptr %t103
+  %t112 = load ptr, ptr %a1
+  %t113 = call i1 @finch.parser.accept(ptr %t112, { ptr, i64, i64 } { ptr @.str.799, i64 1, i64 0 })
+  %t114 = xor i1 %t113, true
+  br i1 %t114, label %then1444, label %endif1446
+then1444:
+  %t115 = load ptr, ptr %a1
+  call void @finch.parser.endOfStatement(ptr %t115)
+  br label %endif1446
+endif1446:
+  call void @finch.drop.S_ast_Node(ptr %a44)
+  call void @finch.drop.S_ast_Node(ptr %a41)
+  br label %while.cond1419
+while.end1421:
+  %t116 = load i64, ptr %a26
+  %t117 = load ptr, ptr %a1
+  %t118 = icmp eq ptr %t117, null
+  br i1 %t118, label %panic1447, label %ok1448
+panic1447:
+  call void @finch_panic(ptr @.str.800, i64 332, ptr @.str.801)
   unreachable
-ok1394:
-  %t115 = getelementptr inbounds %S.parser.Parser, ptr %t113, i32 0, i32 2
-  store i64 %t112, ptr %t115
-  %t116 = load ptr, ptr %a1
-  %t117 = call %S.lexer.Token @finch.parser.next(ptr %t116)
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
-  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t118, i32 0, i32 1
-  %t120 = load i64, ptr %t119
-  %t121 = icmp eq i64 %t120, 1
-  br i1 %t121, label %then1395, label %endif1397
-then1395:
-  %t122 = load ptr, ptr %a1
-  %t123 = load ptr, ptr %a1
-  %t124 = call %S.lexer.Token @finch.parser.cur(ptr %t123)
-  call void @finch.parser.fail(ptr %t122, %S.lexer.Token %t124, { ptr, i64, i64 } { ptr @.str.797, i64 30, i64 0 })
-  br label %endif1397
-endif1397:
-  %t125 = load %S.ast.Node, ptr %a5
-  store %S.ast.Node %t125, ptr %a126
-  call void @finch.copy.S_ast_Node(ptr %a127, ptr %a126)
-  %t128 = load %S.ast.Node, ptr %a127
-  ret %S.ast.Node %t128
+ok1448:
+  %t119 = getelementptr inbounds %S.parser.Parser, ptr %t117, i32 0, i32 2
+  store i64 %t116, ptr %t119
+  %t120 = load ptr, ptr %a1
+  %t121 = call %S.lexer.Token @finch.parser.next(ptr %t120)
+  store %S.lexer.Token %t121, ptr %a122
+  call void @finch.drop.S_lexer_Token(ptr %a122)
+  %t123 = getelementptr inbounds %S.ast.Node, ptr %a5, i32 0, i32 9
+  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i32 0, i32 1
+  %t125 = load i64, ptr %t124
+  %t126 = icmp eq i64 %t125, 1
+  br i1 %t126, label %then1449, label %endif1451
+then1449:
+  %t127 = load ptr, ptr %a1
+  %t128 = load ptr, ptr %a1
+  %t129 = call %S.lexer.Token @finch.parser.cur(ptr %t128)
+  call void @finch.parser.fail(ptr %t127, %S.lexer.Token %t129, { ptr, i64, i64 } { ptr @.str.802, i64 30, i64 0 })
+  store %S.lexer.Token %t129, ptr %a130
+  call void @finch.drop.S_lexer_Token(ptr %a130)
+  br label %endif1451
+endif1451:
+  %t131 = load %S.ast.Node, ptr %a5
+  ret %S.ast.Node %t131
 }
 
 define internal { ptr, i64, i64 } @finch.parser.parseTParams(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca %S.lexer.Token, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca %S.lexer.Token, align 16
+  %a23 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.798, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.799, i64 3, i64 0 })
-  br label %while.cond1398
-while.cond1398:
-  br label %while.body1399
-while.body1399:
-  %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t6 = load ptr, ptr %a1
-  %t7 = call %S.lexer.Token @finch.parser.expect(ptr %t6, { ptr, i64, i64 } { ptr @.str.800, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.801, i64 29, i64 0 })
-  %t8 = extractvalue %S.lexer.Token %t7, 1
-  store { ptr, i64, i64 } %t8, ptr %a9
-  call void @finch_str_copy(ptr %a10, ptr %a9)
-  %t11 = load { ptr, i64, i64 }, ptr %a10
-  %t12 = load i64, ptr %t5
-  %t13 = add i64 %t12, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t13, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t14 = load ptr, ptr %a2
-  %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i64 %t12
-  store { ptr, i64, i64 } %t11, ptr %t15
-  store i64 %t13, ptr %t5
-  %t16 = load ptr, ptr %a1
-  %t17 = call i1 @finch.parser.accept(ptr %t16, { ptr, i64, i64 } { ptr @.str.802, i64 1, i64 0 })
-  %t18 = xor i1 %t17, true
-  br i1 %t18, label %then1401, label %endif1403
-then1401:
-  br label %while.end1400
-endif1403:
-  br label %while.cond1398
-while.end1400:
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.expect(ptr %t19, { ptr, i64, i64 } { ptr @.str.803, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.804, i64 29, i64 0 })
-  %t21 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t21, ptr %a22
-  call void @finch.copy.arr_str(ptr %a23, ptr %a22)
-  %t24 = load { ptr, i64, i64 }, ptr %a23
+  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.803, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.804, i64 3, i64 0 })
+  store %S.lexer.Token %t4, ptr %a5
+  call void @finch.drop.S_lexer_Token(ptr %a5)
+  br label %while.cond1452
+while.cond1452:
+  br label %while.body1453
+while.body1453:
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t7 = load ptr, ptr %a1
+  %t8 = call %S.lexer.Token @finch.parser.expect(ptr %t7, { ptr, i64, i64 } { ptr @.str.805, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.806, i64 29, i64 0 })
+  %t9 = extractvalue %S.lexer.Token %t8, 1
+  store { ptr, i64, i64 } %t9, ptr %a10
+  call void @finch_str_copy(ptr %a11, ptr %a10)
+  %t12 = load { ptr, i64, i64 }, ptr %a11
+  store %S.lexer.Token %t8, ptr %a13
+  call void @finch.drop.S_lexer_Token(ptr %a13)
+  %t14 = load i64, ptr %t6
+  %t15 = add i64 %t14, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t15, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t16 = load ptr, ptr %a2
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 %t14
+  store { ptr, i64, i64 } %t12, ptr %t17
+  store i64 %t15, ptr %t6
+  %t18 = load ptr, ptr %a1
+  %t19 = call i1 @finch.parser.accept(ptr %t18, { ptr, i64, i64 } { ptr @.str.807, i64 1, i64 0 })
+  %t20 = xor i1 %t19, true
+  br i1 %t20, label %then1455, label %endif1457
+then1455:
+  br label %while.end1454
+endif1457:
+  br label %while.cond1452
+while.end1454:
+  %t21 = load ptr, ptr %a1
+  %t22 = call %S.lexer.Token @finch.parser.expect(ptr %t21, { ptr, i64, i64 } { ptr @.str.808, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.809, i64 29, i64 0 })
+  store %S.lexer.Token %t22, ptr %a23
+  call void @finch.drop.S_lexer_Token(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a2
   ret { ptr, i64, i64 } %t24
 }
 
@@ -16155,142 +17922,187 @@ define internal %S.ast.Node @finch.parser.parseStruct(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca %S.lexer.Token, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca %S.ast.Node, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca %S.lexer.Token, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca %S.lexer.Token, align 16
+  %a36 = alloca %S.lexer.Token, align 16
+  %a39 = alloca %S.ast.Node, align 16
+  %a49 = alloca %S.lexer.Token, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca %S.ast.Node, align 16
-  %a73 = alloca %S.ast.Node, align 16
-  %a83 = alloca %S.ast.Node, align 16
-  %a84 = alloca %S.ast.Node, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca %S.ast.Type, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca %S.lexer.Token, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca %S.ast.Node, align 16
+  %a91 = alloca %S.ast.Node, align 16
+  %a100 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.805, i64 6, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.810, i64 6, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.806, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.807, i64 8, i64 0 })
-  %t7 = load ptr, ptr %a1
-  %t8 = call %S.lexer.Token @finch.parser.expect(ptr %t7, { ptr, i64, i64 } { ptr @.str.808, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.809, i64 13, i64 0 })
-  %t9 = extractvalue %S.lexer.Token %t8, 1
-  store { ptr, i64, i64 } %t9, ptr %a10
-  call void @finch_str_copy(ptr %a11, ptr %a10)
-  %t12 = load { ptr, i64, i64 }, ptr %a11
-  %t13 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t12, ptr %t13
-  %t14 = load ptr, ptr %a1
-  %t15 = call i1 @finch.parser.at(ptr %t14, { ptr, i64, i64 } { ptr @.str.810, i64 1, i64 0 })
-  br i1 %t15, label %then1404, label %endif1406
-then1404:
-  %t16 = load ptr, ptr %a1
-  %t17 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t16)
-  %t18 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
-  store { ptr, i64, i64 } %t17, ptr %t18
-  br label %endif1406
-endif1406:
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.expect(ptr %t19, { ptr, i64, i64 } { ptr @.str.811, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.812, i64 3, i64 0 })
-  br label %while.cond1407
-while.cond1407:
-  %t21 = load ptr, ptr %a1
-  %t22 = call i1 @finch.parser.at(ptr %t21, { ptr, i64, i64 } { ptr @.str.813, i64 1, i64 0 })
-  %t23 = xor i1 %t22, true
-  br i1 %t23, label %while.body1408, label %while.end1409
-while.body1408:
-  %t24 = load ptr, ptr %a1
-  %t25 = call i1 @finch.parser.at(ptr %t24, { ptr, i64, i64 } { ptr @.str.814, i64 3, i64 0 })
-  br i1 %t25, label %then1410, label %endif1412
-then1410:
-  %t26 = load ptr, ptr %a1
-  %t27 = load ptr, ptr %a1
-  %t28 = call %S.lexer.Token @finch.parser.cur(ptr %t27)
-  call void @finch.parser.fail(ptr %t26, %S.lexer.Token %t28, { ptr, i64, i64 } { ptr @.str.815, i64 38, i64 0 })
-  br label %endif1412
-endif1412:
-  %t29 = load ptr, ptr %a1
-  %t30 = call %S.ast.Node @finch.parser.node(ptr %t29, { ptr, i64, i64 } { ptr @.str.816, i64 5, i64 0 })
-  store %S.ast.Node %t30, ptr %a31
-  %t32 = load ptr, ptr %a1
-  %t33 = call i1 @finch.parser.atDeclaration(ptr %t32)
-  %t34 = xor i1 %t33, true
-  br i1 %t34, label %then1413, label %endif1415
-then1413:
-  %t35 = load ptr, ptr %a1
-  %t36 = load ptr, ptr %a1
-  %t37 = call %S.lexer.Token @finch.parser.cur(ptr %t36)
-  %t38 = load ptr, ptr %a1
-  %t39 = call %S.lexer.Token @finch.parser.cur(ptr %t38)
-  %t40 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t39)
-  store { ptr, i64, i64 } { ptr @.str.817, i64 11, i64 0 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.818, i64 28, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  call void @finch.parser.fail(ptr %t35, %S.lexer.Token %t37, { ptr, i64, i64 } %t48)
-  br label %endif1415
-endif1415:
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.ast.Type @finch.parser.parseType(ptr %t49)
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a31, i32 0, i32 5
-  store %S.ast.Type %t50, ptr %t51
-  %t52 = load ptr, ptr %a1
-  %t53 = call %S.lexer.Token @finch.parser.expect(ptr %t52, { ptr, i64, i64 } { ptr @.str.819, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.820, i64 12, i64 0 })
-  %t54 = extractvalue %S.lexer.Token %t53, 1
-  store { ptr, i64, i64 } %t54, ptr %a55
-  call void @finch_str_copy(ptr %a56, ptr %a55)
-  %t57 = load { ptr, i64, i64 }, ptr %a56
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a31, i32 0, i32 1
-  store { ptr, i64, i64 } %t57, ptr %t58
-  %t59 = load ptr, ptr %a1
-  %t60 = call i1 @finch.parser.accept(ptr %t59, { ptr, i64, i64 } { ptr @.str.821, i64 1, i64 0 })
-  br i1 %t60, label %then1416, label %endif1418
-then1416:
-  %t61 = getelementptr inbounds %S.ast.Node, ptr %a31, i32 0, i32 9
-  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i32 0, i32 1
-  %t63 = load ptr, ptr %a1
-  %t64 = call %S.ast.Node @finch.parser.parseExpr(ptr %t63)
-  %t65 = load i64, ptr %t62
-  %t66 = add i64 %t65, 1
-  call void @finch_arr_reserve(ptr %t61, i64 %t66, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t67 = load ptr, ptr %t61
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 %t65
-  store %S.ast.Node %t64, ptr %t68
-  store i64 %t66, ptr %t62
-  br label %endif1418
-endif1418:
-  %t69 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i32 0, i32 1
-  %t71 = load %S.ast.Node, ptr %a31
-  store %S.ast.Node %t71, ptr %a72
-  call void @finch.copy.S_ast_Node(ptr %a73, ptr %a72)
-  %t74 = load %S.ast.Node, ptr %a73
-  %t75 = load i64, ptr %t70
-  %t76 = add i64 %t75, 1
-  call void @finch_arr_reserve(ptr %t69, i64 %t76, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t77 = load ptr, ptr %t69
-  %t78 = getelementptr inbounds %S.ast.Node, ptr %t77, i64 %t75
-  store %S.ast.Node %t74, ptr %t78
-  store i64 %t76, ptr %t70
-  %t79 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t79)
-  br label %while.cond1407
-while.end1409:
-  %t80 = load ptr, ptr %a1
-  %t81 = call %S.lexer.Token @finch.parser.next(ptr %t80)
-  %t82 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t82, ptr %a83
-  call void @finch.copy.S_ast_Node(ptr %a84, ptr %a83)
-  %t85 = load %S.ast.Node, ptr %a84
-  ret %S.ast.Node %t85
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.811, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.812, i64 8, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = load ptr, ptr %a1
+  %t9 = call %S.lexer.Token @finch.parser.expect(ptr %t8, { ptr, i64, i64 } { ptr @.str.813, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.814, i64 13, i64 0 })
+  %t10 = extractvalue %S.lexer.Token %t9, 1
+  store { ptr, i64, i64 } %t10, ptr %a11
+  call void @finch_str_copy(ptr %a12, ptr %a11)
+  %t13 = load { ptr, i64, i64 }, ptr %a12
+  store %S.lexer.Token %t9, ptr %a14
+  call void @finch.drop.S_lexer_Token(ptr %a14)
+  %t15 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t16 = load { ptr, i64, i64 }, ptr %t15
+  store { ptr, i64, i64 } %t13, ptr %t15
+  store { ptr, i64, i64 } %t16, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load ptr, ptr %a1
+  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.815, i64 1, i64 0 })
+  br i1 %t19, label %then1458, label %endif1460
+then1458:
+  %t20 = load ptr, ptr %a1
+  %t21 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t20)
+  %t22 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t21, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  call void @finch.drop.arr_str(ptr %a24)
+  br label %endif1460
+endif1460:
+  %t25 = load ptr, ptr %a1
+  %t26 = call %S.lexer.Token @finch.parser.expect(ptr %t25, { ptr, i64, i64 } { ptr @.str.816, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.817, i64 3, i64 0 })
+  store %S.lexer.Token %t26, ptr %a27
+  call void @finch.drop.S_lexer_Token(ptr %a27)
+  br label %while.cond1461
+while.cond1461:
+  %t28 = load ptr, ptr %a1
+  %t29 = call i1 @finch.parser.at(ptr %t28, { ptr, i64, i64 } { ptr @.str.818, i64 1, i64 0 })
+  %t30 = xor i1 %t29, true
+  br i1 %t30, label %while.body1462, label %while.end1463
+while.body1462:
+  %t31 = load ptr, ptr %a1
+  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.819, i64 3, i64 0 })
+  br i1 %t32, label %then1464, label %endif1466
+then1464:
+  %t33 = load ptr, ptr %a1
+  %t34 = load ptr, ptr %a1
+  %t35 = call %S.lexer.Token @finch.parser.cur(ptr %t34)
+  call void @finch.parser.fail(ptr %t33, %S.lexer.Token %t35, { ptr, i64, i64 } { ptr @.str.820, i64 38, i64 0 })
+  store %S.lexer.Token %t35, ptr %a36
+  call void @finch.drop.S_lexer_Token(ptr %a36)
+  br label %endif1466
+endif1466:
+  %t37 = load ptr, ptr %a1
+  %t38 = call %S.ast.Node @finch.parser.node(ptr %t37, { ptr, i64, i64 } { ptr @.str.821, i64 5, i64 0 })
+  store %S.ast.Node %t38, ptr %a39
+  %t40 = load ptr, ptr %a1
+  %t41 = call i1 @finch.parser.atDeclaration(ptr %t40)
+  %t42 = xor i1 %t41, true
+  br i1 %t42, label %then1467, label %endif1469
+then1467:
+  %t43 = load ptr, ptr %a1
+  %t44 = load ptr, ptr %a1
+  %t45 = call %S.lexer.Token @finch.parser.cur(ptr %t44)
+  %t46 = load ptr, ptr %a1
+  %t47 = call %S.lexer.Token @finch.parser.cur(ptr %t46)
+  %t48 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t47)
+  store %S.lexer.Token %t47, ptr %a49
+  call void @finch.drop.S_lexer_Token(ptr %a49)
+  store { ptr, i64, i64 } { ptr @.str.822, i64 11, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.823, i64 28, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  call void @finch.parser.fail(ptr %t43, %S.lexer.Token %t45, { ptr, i64, i64 } %t59)
+  store %S.lexer.Token %t45, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  store { ptr, i64, i64 } %t59, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  br label %endif1469
+endif1469:
+  %t62 = load ptr, ptr %a1
+  %t63 = call %S.ast.Type @finch.parser.parseType(ptr %t62)
+  %t64 = getelementptr inbounds %S.ast.Node, ptr %a39, i32 0, i32 5
+  %t65 = load %S.ast.Type, ptr %t64
+  store %S.ast.Type %t63, ptr %t64
+  store %S.ast.Type %t65, ptr %a66
+  call void @finch.drop.S_ast_Type(ptr %a66)
+  %t67 = load ptr, ptr %a1
+  %t68 = call %S.lexer.Token @finch.parser.expect(ptr %t67, { ptr, i64, i64 } { ptr @.str.824, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.825, i64 12, i64 0 })
+  %t69 = extractvalue %S.lexer.Token %t68, 1
+  store { ptr, i64, i64 } %t69, ptr %a70
+  call void @finch_str_copy(ptr %a71, ptr %a70)
+  %t72 = load { ptr, i64, i64 }, ptr %a71
+  store %S.lexer.Token %t68, ptr %a73
+  call void @finch.drop.S_lexer_Token(ptr %a73)
+  %t74 = getelementptr inbounds %S.ast.Node, ptr %a39, i32 0, i32 1
+  %t75 = load { ptr, i64, i64 }, ptr %t74
+  store { ptr, i64, i64 } %t72, ptr %t74
+  store { ptr, i64, i64 } %t75, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load ptr, ptr %a1
+  %t78 = call i1 @finch.parser.accept(ptr %t77, { ptr, i64, i64 } { ptr @.str.826, i64 1, i64 0 })
+  br i1 %t78, label %then1470, label %endif1472
+then1470:
+  %t79 = getelementptr inbounds %S.ast.Node, ptr %a39, i32 0, i32 9
+  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %t79, i32 0, i32 1
+  %t81 = load ptr, ptr %a1
+  %t82 = call %S.ast.Node @finch.parser.parseExpr(ptr %t81)
+  %t83 = load i64, ptr %t80
+  %t84 = add i64 %t83, 1
+  call void @finch_arr_reserve(ptr %t79, i64 %t84, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t85 = load ptr, ptr %t79
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %t85, i64 %t83
+  store %S.ast.Node %t82, ptr %t86
+  store i64 %t84, ptr %t80
+  br label %endif1472
+endif1472:
+  %t87 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
+  %t89 = load %S.ast.Node, ptr %a39
+  store %S.ast.Node %t89, ptr %a90
+  call void @finch.copy.S_ast_Node(ptr %a91, ptr %a90)
+  %t92 = load %S.ast.Node, ptr %a91
+  %t93 = load i64, ptr %t88
+  %t94 = add i64 %t93, 1
+  call void @finch_arr_reserve(ptr %t87, i64 %t94, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t95 = load ptr, ptr %t87
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %t95, i64 %t93
+  store %S.ast.Node %t92, ptr %t96
+  store i64 %t94, ptr %t88
+  %t97 = load ptr, ptr %a1
+  call void @finch.parser.endOfStatement(ptr %t97)
+  call void @finch.drop.S_ast_Node(ptr %a39)
+  br label %while.cond1461
+while.end1463:
+  %t98 = load ptr, ptr %a1
+  %t99 = call %S.lexer.Token @finch.parser.next(ptr %t98)
+  store %S.lexer.Token %t99, ptr %a100
+  call void @finch.drop.S_lexer_Token(ptr %a100)
+  %t101 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t101
 }
 
 define internal %S.ast.Node @finch.parser.parseFn(ptr %p0) {
@@ -16299,361 +18111,439 @@ entry:
   %a4 = alloca %S.ast.Node, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca %S.ast.Node, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca %S.ast.Node, align 16
+  %a16 = alloca %S.lexer.Token, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.lexer.Token, align 16
+  %a26 = alloca %S.lexer.Token, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca %S.lexer.Token, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca %S.lexer.Token, align 16
   %a77 = alloca %S.ast.Node, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca %S.ast.Node, align 16
-  %a154 = alloca %S.ast.Node, align 16
+  %a82 = alloca %S.ast.Type, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca %S.lexer.Token, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca %S.ast.Node, align 16
+  %a97 = alloca %S.ast.Node, align 16
+  %a113 = alloca %S.lexer.Token, align 16
+  %a117 = alloca %S.ast.Type, align 16
+  %a127 = alloca %S.ast.Type, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca %S.lexer.Token, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca %S.lexer.Token, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.822, i64 2, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.827, i64 2, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call i1 @finch.parser.accept(ptr %t5, { ptr, i64, i64 } { ptr @.str.823, i64 6, i64 0 })
+  %t6 = call i1 @finch.parser.accept(ptr %t5, { ptr, i64, i64 } { ptr @.str.828, i64 6, i64 0 })
   %t7 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 8
   store i1 %t6, ptr %t7
   %t8 = load ptr, ptr %a1
-  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.824, i64 5, i64 0 })
-  br label %logic.from1419
-logic.from1419:
-  br i1 %t9, label %logic.rhs1420, label %logic.end1421
-logic.rhs1420:
+  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.829, i64 5, i64 0 })
+  br label %logic.from1473
+logic.from1473:
+  br i1 %t9, label %logic.rhs1474, label %logic.end1475
+logic.rhs1474:
   %t10 = load ptr, ptr %a1
   %t11 = call %S.lexer.Token @finch.parser.cur(ptr %t10)
   %t12 = extractvalue %S.lexer.Token %t11, 1
   store { ptr, i64, i64 } %t12, ptr %a13
   call void @finch_str_copy(ptr %a14, ptr %a13)
   %t15 = load { ptr, i64, i64 }, ptr %a14
-  %t16 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t15)
-  br label %logic.rend1422
-logic.rend1422:
-  br label %logic.end1421
-logic.end1421:
-  %t17 = phi i1 [ false, %logic.from1419 ], [ %t16, %logic.rend1422 ]
-  br i1 %t17, label %then1423, label %endif1425
-then1423:
-  %t18 = load ptr, ptr %a1
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.cur(ptr %t19)
-  call void @finch.parser.fail(ptr %t18, %S.lexer.Token %t20, { ptr, i64, i64 } { ptr @.str.825, i64 68, i64 0 })
-  br label %endif1425
-endif1425:
+  store %S.lexer.Token %t11, ptr %a16
+  call void @finch.drop.S_lexer_Token(ptr %a16)
+  %t17 = call i1 @finch.parser.isTypeName({ ptr, i64, i64 } %t15)
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  br label %logic.rend1476
+logic.rend1476:
+  br label %logic.end1475
+logic.end1475:
+  %t19 = phi i1 [ false, %logic.from1473 ], [ %t17, %logic.rend1476 ]
+  br i1 %t19, label %then1477, label %endif1479
+then1477:
+  %t20 = load ptr, ptr %a1
   %t21 = load ptr, ptr %a1
-  %t22 = call %S.lexer.Token @finch.parser.expect(ptr %t21, { ptr, i64, i64 } { ptr @.str.826, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.827, i64 26, i64 0 })
-  %t23 = load ptr, ptr %a1
-  %t24 = call %S.lexer.Token @finch.parser.expect(ptr %t23, { ptr, i64, i64 } { ptr @.str.828, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.829, i64 15, i64 0 })
-  %t25 = extractvalue %S.lexer.Token %t24, 1
-  store { ptr, i64, i64 } %t25, ptr %a26
-  call void @finch_str_copy(ptr %a27, ptr %a26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t28, ptr %t29
-  %t30 = load ptr, ptr %a1
-  %t31 = call i1 @finch.parser.at(ptr %t30, { ptr, i64, i64 } { ptr @.str.830, i64 1, i64 0 })
-  br i1 %t31, label %then1426, label %endif1428
-then1426:
-  %t32 = load ptr, ptr %a1
-  %t33 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t32)
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
-  store { ptr, i64, i64 } %t33, ptr %t34
-  br label %endif1428
-endif1428:
-  %t35 = load ptr, ptr %a1
-  %t36 = call i1 @finch.parser.accept(ptr %t35, { ptr, i64, i64 } { ptr @.str.831, i64 1, i64 0 })
-  br i1 %t36, label %then1429, label %endif1431
-then1429:
-  %t37 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  %t38 = load { ptr, i64, i64 }, ptr %t37
-  %t39 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t38, ptr %a40
-  call void @finch_str_copy(ptr %a41, ptr %a40)
-  %t42 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t42, ptr %t39
-  %t43 = load ptr, ptr %a1
-  %t44 = call %S.lexer.Token @finch.parser.expect(ptr %t43, { ptr, i64, i64 } { ptr @.str.832, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.833, i64 13, i64 0 })
-  %t45 = extractvalue %S.lexer.Token %t44, 1
-  store { ptr, i64, i64 } %t45, ptr %a46
-  call void @finch_str_copy(ptr %a47, ptr %a46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } %t48, ptr %t49
-  br label %endif1431
-endif1431:
-  %t50 = load ptr, ptr %a1
-  %t51 = call %S.lexer.Token @finch.parser.expect(ptr %t50, { ptr, i64, i64 } { ptr @.str.834, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.835, i64 3, i64 0 })
-  %t52 = load ptr, ptr %a1
-  %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic1432, label %ok1433
-panic1432:
-  call void @finch_panic(ptr @.str.836, i64 398, ptr @.str.837)
+  %t22 = call %S.lexer.Token @finch.parser.cur(ptr %t21)
+  call void @finch.parser.fail(ptr %t20, %S.lexer.Token %t22, { ptr, i64, i64 } { ptr @.str.830, i64 68, i64 0 })
+  store %S.lexer.Token %t22, ptr %a23
+  call void @finch.drop.S_lexer_Token(ptr %a23)
+  br label %endif1479
+endif1479:
+  %t24 = load ptr, ptr %a1
+  %t25 = call %S.lexer.Token @finch.parser.expect(ptr %t24, { ptr, i64, i64 } { ptr @.str.831, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.832, i64 26, i64 0 })
+  store %S.lexer.Token %t25, ptr %a26
+  call void @finch.drop.S_lexer_Token(ptr %a26)
+  %t27 = load ptr, ptr %a1
+  %t28 = call %S.lexer.Token @finch.parser.expect(ptr %t27, { ptr, i64, i64 } { ptr @.str.833, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.834, i64 15, i64 0 })
+  %t29 = extractvalue %S.lexer.Token %t28, 1
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_copy(ptr %a31, ptr %a30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store %S.lexer.Token %t28, ptr %a33
+  call void @finch.drop.S_lexer_Token(ptr %a33)
+  %t34 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  store { ptr, i64, i64 } %t32, ptr %t34
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load ptr, ptr %a1
+  %t38 = call i1 @finch.parser.at(ptr %t37, { ptr, i64, i64 } { ptr @.str.835, i64 1, i64 0 })
+  br i1 %t38, label %then1480, label %endif1482
+then1480:
+  %t39 = load ptr, ptr %a1
+  %t40 = call { ptr, i64, i64 } @finch.parser.parseTParams(ptr %t39)
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 3
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  store { ptr, i64, i64 } %t40, ptr %t41
+  store { ptr, i64, i64 } %t42, ptr %a43
+  call void @finch.drop.arr_str(ptr %a43)
+  br label %endif1482
+endif1482:
+  %t44 = load ptr, ptr %a1
+  %t45 = call i1 @finch.parser.accept(ptr %t44, { ptr, i64, i64 } { ptr @.str.836, i64 1, i64 0 })
+  br i1 %t45, label %then1483, label %endif1485
+then1483:
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t47 = load { ptr, i64, i64 }, ptr %t46
+  %t48 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 2
+  store { ptr, i64, i64 } %t47, ptr %a49
+  call void @finch_str_copy(ptr %a50, ptr %a49)
+  %t51 = load { ptr, i64, i64 }, ptr %a50
+  %t52 = load { ptr, i64, i64 }, ptr %t48
+  store { ptr, i64, i64 } %t51, ptr %t48
+  store { ptr, i64, i64 } %t52, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load ptr, ptr %a1
+  %t55 = call %S.lexer.Token @finch.parser.expect(ptr %t54, { ptr, i64, i64 } { ptr @.str.837, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.838, i64 13, i64 0 })
+  %t56 = extractvalue %S.lexer.Token %t55, 1
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_copy(ptr %a58, ptr %a57)
+  %t59 = load { ptr, i64, i64 }, ptr %a58
+  store %S.lexer.Token %t55, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  %t61 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t59, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  br label %endif1485
+endif1485:
+  %t64 = load ptr, ptr %a1
+  %t65 = call %S.lexer.Token @finch.parser.expect(ptr %t64, { ptr, i64, i64 } { ptr @.str.839, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.840, i64 3, i64 0 })
+  store %S.lexer.Token %t65, ptr %a66
+  call void @finch.drop.S_lexer_Token(ptr %a66)
+  %t67 = load ptr, ptr %a1
+  %t68 = icmp eq ptr %t67, null
+  br i1 %t68, label %panic1486, label %ok1487
+panic1486:
+  call void @finch_panic(ptr @.str.841, i64 398, ptr @.str.842)
   unreachable
-ok1433:
-  %t54 = getelementptr inbounds %S.parser.Parser, ptr %t52, i32 0, i32 2
-  %t55 = load i64, ptr %t54
-  %t56 = add i64 %t55, 1
-  store i64 %t56, ptr %t54
-  %t57 = load ptr, ptr %a1
-  %t58 = call i1 @finch.parser.at(ptr %t57, { ptr, i64, i64 } { ptr @.str.838, i64 1, i64 0 })
-  %t59 = xor i1 %t58, true
-  br i1 %t59, label %then1434, label %endif1436
-then1434:
-  br label %while.cond1437
-while.cond1437:
-  br label %while.body1438
-while.body1438:
-  %t60 = load ptr, ptr %a1
-  %t61 = call %S.ast.Node @finch.parser.node(ptr %t60, { ptr, i64, i64 } { ptr @.str.839, i64 5, i64 0 })
-  store %S.ast.Node %t61, ptr %a62
-  %t63 = load ptr, ptr %a1
-  %t64 = call %S.ast.Type @finch.parser.parseType(ptr %t63)
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 5
-  store %S.ast.Type %t64, ptr %t65
-  %t66 = load ptr, ptr %a1
-  %t67 = call %S.lexer.Token @finch.parser.expect(ptr %t66, { ptr, i64, i64 } { ptr @.str.840, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.841, i64 16, i64 0 })
-  %t68 = extractvalue %S.lexer.Token %t67, 1
-  store { ptr, i64, i64 } %t68, ptr %a69
-  call void @finch_str_copy(ptr %a70, ptr %a69)
-  %t71 = load { ptr, i64, i64 }, ptr %a70
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  store { ptr, i64, i64 } %t71, ptr %t72
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load %S.ast.Node, ptr %a62
-  store %S.ast.Node %t75, ptr %a76
-  call void @finch.copy.S_ast_Node(ptr %a77, ptr %a76)
-  %t78 = load %S.ast.Node, ptr %a77
-  %t79 = load i64, ptr %t74
-  %t80 = add i64 %t79, 1
-  call void @finch_arr_reserve(ptr %t73, i64 %t80, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t81 = load ptr, ptr %t73
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %t81, i64 %t79
-  store %S.ast.Node %t78, ptr %t82
-  store i64 %t80, ptr %t74
+ok1487:
+  %t69 = getelementptr inbounds %S.parser.Parser, ptr %t67, i32 0, i32 2
+  %t70 = load i64, ptr %t69
+  %t71 = add i64 %t70, 1
+  store i64 %t71, ptr %t69
+  %t72 = load ptr, ptr %a1
+  %t73 = call i1 @finch.parser.at(ptr %t72, { ptr, i64, i64 } { ptr @.str.843, i64 1, i64 0 })
+  %t74 = xor i1 %t73, true
+  br i1 %t74, label %then1488, label %endif1490
+then1488:
+  br label %while.cond1491
+while.cond1491:
+  br label %while.body1492
+while.body1492:
+  %t75 = load ptr, ptr %a1
+  %t76 = call %S.ast.Node @finch.parser.node(ptr %t75, { ptr, i64, i64 } { ptr @.str.844, i64 5, i64 0 })
+  store %S.ast.Node %t76, ptr %a77
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.ast.Type @finch.parser.parseType(ptr %t78)
+  %t80 = getelementptr inbounds %S.ast.Node, ptr %a77, i32 0, i32 5
+  %t81 = load %S.ast.Type, ptr %t80
+  store %S.ast.Type %t79, ptr %t80
+  store %S.ast.Type %t81, ptr %a82
+  call void @finch.drop.S_ast_Type(ptr %a82)
   %t83 = load ptr, ptr %a1
-  %t84 = call i1 @finch.parser.accept(ptr %t83, { ptr, i64, i64 } { ptr @.str.842, i64 1, i64 0 })
-  %t85 = xor i1 %t84, true
-  br i1 %t85, label %then1440, label %endif1442
-then1440:
-  br label %while.end1439
-endif1442:
-  br label %while.cond1437
-while.end1439:
-  br label %endif1436
-endif1436:
-  %t86 = load ptr, ptr %a1
-  %t87 = icmp eq ptr %t86, null
-  br i1 %t87, label %panic1443, label %ok1444
-panic1443:
-  call void @finch_panic(ptr @.str.843, i64 410, ptr @.str.844)
-  unreachable
-ok1444:
-  %t88 = getelementptr inbounds %S.parser.Parser, ptr %t86, i32 0, i32 2
-  %t89 = load i64, ptr %t88
-  %t90 = sub i64 %t89, 1
-  store i64 %t90, ptr %t88
-  %t91 = load ptr, ptr %a1
-  %t92 = call %S.lexer.Token @finch.parser.expect(ptr %t91, { ptr, i64, i64 } { ptr @.str.845, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.846, i64 3, i64 0 })
-  %t93 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.847, i64 4, i64 0 })
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
-  store %S.ast.Type %t93, ptr %t94
-  %t95 = load ptr, ptr %a1
-  %t96 = call i1 @finch.parser.accept(ptr %t95, { ptr, i64, i64 } { ptr @.str.848, i64 2, i64 0 })
-  br i1 %t96, label %then1445, label %endif1447
-then1445:
-  %t97 = load ptr, ptr %a1
-  %t98 = call i1 @finch.parser.at(ptr %t97, { ptr, i64, i64 } { ptr @.str.849, i64 1, i64 0 })
-  %t99 = xor i1 %t98, true
-  br i1 %t99, label %then1448, label %endif1450
-then1448:
-  %t100 = load ptr, ptr %a1
-  %t101 = call %S.ast.Type @finch.parser.parseType(ptr %t100)
-  %t102 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
-  store %S.ast.Type %t101, ptr %t102
-  br label %endif1450
-endif1450:
+  %t84 = call %S.lexer.Token @finch.parser.expect(ptr %t83, { ptr, i64, i64 } { ptr @.str.845, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.846, i64 16, i64 0 })
+  %t85 = extractvalue %S.lexer.Token %t84, 1
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_copy(ptr %a87, ptr %a86)
+  %t88 = load { ptr, i64, i64 }, ptr %a87
+  store %S.lexer.Token %t84, ptr %a89
+  call void @finch.drop.S_lexer_Token(ptr %a89)
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a77, i32 0, i32 1
+  %t91 = load { ptr, i64, i64 }, ptr %t90
+  store { ptr, i64, i64 } %t88, ptr %t90
+  store { ptr, i64, i64 } %t91, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i32 0, i32 1
+  %t95 = load %S.ast.Node, ptr %a77
+  store %S.ast.Node %t95, ptr %a96
+  call void @finch.copy.S_ast_Node(ptr %a97, ptr %a96)
+  %t98 = load %S.ast.Node, ptr %a97
+  %t99 = load i64, ptr %t94
+  %t100 = add i64 %t99, 1
+  call void @finch_arr_reserve(ptr %t93, i64 %t100, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t101 = load ptr, ptr %t93
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %t101, i64 %t99
+  store %S.ast.Node %t98, ptr %t102
+  store i64 %t100, ptr %t94
   %t103 = load ptr, ptr %a1
-  %t104 = call i1 @finch.parser.accept(ptr %t103, { ptr, i64, i64 } { ptr @.str.850, i64 1, i64 0 })
-  %t105 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
-  store i1 %t104, ptr %t105
-  %t106 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
-  %t107 = load i1, ptr %t106
-  %t108 = xor i1 %t107, true
-  br label %logic.from1451
-logic.from1451:
-  br i1 %t108, label %logic.rhs1452, label %logic.end1453
-logic.rhs1452:
-  %t109 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %t109, i32 0, i32 0
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.851, i64 4, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br label %logic.rend1454
-logic.rend1454:
-  br label %logic.end1453
-logic.end1453:
-  %t116 = phi i1 [ false, %logic.from1451 ], [ %t115, %logic.rend1454 ]
-  br i1 %t116, label %then1455, label %endif1457
-then1455:
-  %t117 = load ptr, ptr %a1
-  %t118 = load ptr, ptr %a1
-  %t119 = call %S.lexer.Token @finch.parser.cur(ptr %t118)
-  %t120 = load ptr, ptr %a1
-  %t121 = call %S.lexer.Token @finch.parser.cur(ptr %t120)
-  %t122 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t121)
-  store { ptr, i64, i64 } { ptr @.str.852, i64 11, i64 0 }, ptr %a124
-  store { ptr, i64, i64 } %t122, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.853, i64 61, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  call void @finch.parser.fail(ptr %t117, %S.lexer.Token %t119, { ptr, i64, i64 } %t130)
-  br label %endif1457
-endif1457:
-  br label %endif1447
-endif1447:
-  %t131 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t133 = load ptr, ptr %a1
-  %t134 = call %S.ast.Node @finch.parser.parseBlock(ptr %t133)
-  %t135 = load i64, ptr %t132
-  %t136 = add i64 %t135, 1
-  call void @finch_arr_reserve(ptr %t131, i64 %t136, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t137 = load ptr, ptr %t131
-  %t138 = getelementptr inbounds %S.ast.Node, ptr %t137, i64 %t135
-  store %S.ast.Node %t134, ptr %t138
-  store i64 %t136, ptr %t132
-  %t139 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t140 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t141 = getelementptr inbounds { ptr, i64, i64 }, ptr %t140, i32 0, i32 1
-  %t142 = load i64, ptr %t141
-  %t143 = sub i64 %t142, 1
-  %t144 = load { ptr, i64, i64 }, ptr %t139
-  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
-  %t146 = icmp uge i64 %t143, %t145
-  br i1 %t146, label %range1458, label %inrange1459
-range1458:
-  call void @finch_panic_index(ptr @.str.854, i64 423, i64 %t143, i64 %t145)
+  %t104 = call i1 @finch.parser.accept(ptr %t103, { ptr, i64, i64 } { ptr @.str.847, i64 1, i64 0 })
+  %t105 = xor i1 %t104, true
+  br i1 %t105, label %then1494, label %endif1496
+then1494:
+  call void @finch.drop.S_ast_Node(ptr %a77)
+  br label %while.end1493
+endif1496:
+  call void @finch.drop.S_ast_Node(ptr %a77)
+  br label %while.cond1491
+while.end1493:
+  br label %endif1490
+endif1490:
+  %t106 = load ptr, ptr %a1
+  %t107 = icmp eq ptr %t106, null
+  br i1 %t107, label %panic1497, label %ok1498
+panic1497:
+  call void @finch_panic(ptr @.str.848, i64 410, ptr @.str.849)
   unreachable
-inrange1459:
-  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
-  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 %t143
-  %t149 = getelementptr inbounds %S.ast.Node, ptr %t148, i32 0, i32 14
-  %t150 = load i64, ptr %t149
-  %t151 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
-  store i64 %t150, ptr %t151
-  %t152 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t152, ptr %a153
-  call void @finch.copy.S_ast_Node(ptr %a154, ptr %a153)
-  %t155 = load %S.ast.Node, ptr %a154
-  ret %S.ast.Node %t155
+ok1498:
+  %t108 = getelementptr inbounds %S.parser.Parser, ptr %t106, i32 0, i32 2
+  %t109 = load i64, ptr %t108
+  %t110 = sub i64 %t109, 1
+  store i64 %t110, ptr %t108
+  %t111 = load ptr, ptr %a1
+  %t112 = call %S.lexer.Token @finch.parser.expect(ptr %t111, { ptr, i64, i64 } { ptr @.str.850, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.851, i64 3, i64 0 })
+  store %S.lexer.Token %t112, ptr %a113
+  call void @finch.drop.S_lexer_Token(ptr %a113)
+  %t114 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.852, i64 4, i64 0 })
+  %t115 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
+  %t116 = load %S.ast.Type, ptr %t115
+  store %S.ast.Type %t114, ptr %t115
+  store %S.ast.Type %t116, ptr %a117
+  call void @finch.drop.S_ast_Type(ptr %a117)
+  %t118 = load ptr, ptr %a1
+  %t119 = call i1 @finch.parser.accept(ptr %t118, { ptr, i64, i64 } { ptr @.str.853, i64 2, i64 0 })
+  br i1 %t119, label %then1499, label %endif1501
+then1499:
+  %t120 = load ptr, ptr %a1
+  %t121 = call i1 @finch.parser.at(ptr %t120, { ptr, i64, i64 } { ptr @.str.854, i64 1, i64 0 })
+  %t122 = xor i1 %t121, true
+  br i1 %t122, label %then1502, label %endif1504
+then1502:
+  %t123 = load ptr, ptr %a1
+  %t124 = call %S.ast.Type @finch.parser.parseType(ptr %t123)
+  %t125 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
+  %t126 = load %S.ast.Type, ptr %t125
+  store %S.ast.Type %t124, ptr %t125
+  store %S.ast.Type %t126, ptr %a127
+  call void @finch.drop.S_ast_Type(ptr %a127)
+  br label %endif1504
+endif1504:
+  %t128 = load ptr, ptr %a1
+  %t129 = call i1 @finch.parser.accept(ptr %t128, { ptr, i64, i64 } { ptr @.str.855, i64 1, i64 0 })
+  %t130 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
+  store i1 %t129, ptr %t130
+  %t131 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 7
+  %t132 = load i1, ptr %t131
+  %t133 = xor i1 %t132, true
+  br label %logic.from1505
+logic.from1505:
+  br i1 %t133, label %logic.rhs1506, label %logic.end1507
+logic.rhs1506:
+  %t134 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 5
+  %t135 = getelementptr inbounds %S.ast.Type, ptr %t134, i32 0, i32 0
+  %t136 = load { ptr, i64, i64 }, ptr %t135
+  store { ptr, i64, i64 } %t136, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.856, i64 4, i64 0 }, ptr %a138
+  %t139 = call i32 @finch_str_eq(ptr %a137, ptr %a138)
+  %t140 = icmp ne i32 %t139, 0
+  br label %logic.rend1508
+logic.rend1508:
+  br label %logic.end1507
+logic.end1507:
+  %t141 = phi i1 [ false, %logic.from1505 ], [ %t140, %logic.rend1508 ]
+  br i1 %t141, label %then1509, label %endif1511
+then1509:
+  %t142 = load ptr, ptr %a1
+  %t143 = load ptr, ptr %a1
+  %t144 = call %S.lexer.Token @finch.parser.cur(ptr %t143)
+  %t145 = load ptr, ptr %a1
+  %t146 = call %S.lexer.Token @finch.parser.cur(ptr %t145)
+  %t147 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t146)
+  store %S.lexer.Token %t146, ptr %a148
+  call void @finch.drop.S_lexer_Token(ptr %a148)
+  store { ptr, i64, i64 } { ptr @.str.857, i64 11, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } %t147, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  store { ptr, i64, i64 } %t147, ptr %a152
+  call void @finch_str_drop(ptr %a152)
+  %t153 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t153, ptr %a155
+  store { ptr, i64, i64 } { ptr @.str.858, i64 61, i64 0 }, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  store { ptr, i64, i64 } %t153, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a154
+  call void @finch.parser.fail(ptr %t142, %S.lexer.Token %t144, { ptr, i64, i64 } %t158)
+  store %S.lexer.Token %t144, ptr %a159
+  call void @finch.drop.S_lexer_Token(ptr %a159)
+  store { ptr, i64, i64 } %t158, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  br label %endif1511
+endif1511:
+  br label %endif1501
+endif1501:
+  %t161 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t162 = getelementptr inbounds { ptr, i64, i64 }, ptr %t161, i32 0, i32 1
+  %t163 = load ptr, ptr %a1
+  %t164 = call %S.ast.Node @finch.parser.parseBlock(ptr %t163)
+  %t165 = load i64, ptr %t162
+  %t166 = add i64 %t165, 1
+  call void @finch_arr_reserve(ptr %t161, i64 %t166, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t167 = load ptr, ptr %t161
+  %t168 = getelementptr inbounds %S.ast.Node, ptr %t167, i64 %t165
+  store %S.ast.Node %t164, ptr %t168
+  store i64 %t166, ptr %t162
+  %t169 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t170 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t171 = getelementptr inbounds { ptr, i64, i64 }, ptr %t170, i32 0, i32 1
+  %t172 = load i64, ptr %t171
+  %t173 = sub i64 %t172, 1
+  %t174 = load { ptr, i64, i64 }, ptr %t169
+  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
+  %t176 = icmp uge i64 %t173, %t175
+  br i1 %t176, label %range1512, label %inrange1513
+range1512:
+  call void @finch_panic_index(ptr @.str.859, i64 423, i64 %t173, i64 %t175)
+  unreachable
+inrange1513:
+  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
+  %t178 = getelementptr inbounds %S.ast.Node, ptr %t177, i64 %t173
+  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i32 0, i32 14
+  %t180 = load i64, ptr %t179
+  %t181 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
+  store i64 %t180, ptr %t181
+  %t182 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t182
 }
 
 define internal %S.ast.Node @finch.parser.parseBlock(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a11 = alloca i64, align 16
-  %a43 = alloca %S.ast.Node, align 16
-  %a44 = alloca %S.ast.Node, align 16
+  %a7 = alloca %S.lexer.Token, align 16
+  %a12 = alloca i64, align 16
+  %a24 = alloca %S.lexer.Token, align 16
+  %a41 = alloca %S.lexer.Token, align 16
+  %a45 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.855, i64 5, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.860, i64 5, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.856, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.857, i64 3, i64 0 })
-  %t7 = load ptr, ptr %a1
-  %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic1460, label %ok1461
-panic1460:
-  call void @finch_panic(ptr @.str.858, i64 432, ptr @.str.859)
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.861, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.862, i64 3, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = load ptr, ptr %a1
+  %t9 = icmp eq ptr %t8, null
+  br i1 %t9, label %panic1514, label %ok1515
+panic1514:
+  call void @finch_panic(ptr @.str.863, i64 432, ptr @.str.864)
   unreachable
-ok1461:
-  %t9 = getelementptr inbounds %S.parser.Parser, ptr %t7, i32 0, i32 2
-  %t10 = load i64, ptr %t9
-  store i64 %t10, ptr %a11
-  %t12 = load ptr, ptr %a1
-  %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic1462, label %ok1463
-panic1462:
-  call void @finch_panic(ptr @.str.860, i64 433, ptr @.str.861)
+ok1515:
+  %t10 = getelementptr inbounds %S.parser.Parser, ptr %t8, i32 0, i32 2
+  %t11 = load i64, ptr %t10
+  store i64 %t11, ptr %a12
+  %t13 = load ptr, ptr %a1
+  %t14 = icmp eq ptr %t13, null
+  br i1 %t14, label %panic1516, label %ok1517
+panic1516:
+  call void @finch_panic(ptr @.str.865, i64 433, ptr @.str.866)
   unreachable
-ok1463:
-  %t14 = getelementptr inbounds %S.parser.Parser, ptr %t12, i32 0, i32 2
-  store i64 0, ptr %t14
-  br label %while.cond1464
-while.cond1464:
-  %t15 = load ptr, ptr %a1
-  %t16 = call i1 @finch.parser.at(ptr %t15, { ptr, i64, i64 } { ptr @.str.862, i64 1, i64 0 })
-  %t17 = xor i1 %t16, true
-  br i1 %t17, label %while.body1465, label %while.end1466
-while.body1465:
-  %t18 = load ptr, ptr %a1
-  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.863, i64 3, i64 0 })
-  br i1 %t19, label %then1467, label %endif1469
-then1467:
-  %t20 = load ptr, ptr %a1
+ok1517:
+  %t15 = getelementptr inbounds %S.parser.Parser, ptr %t13, i32 0, i32 2
+  store i64 0, ptr %t15
+  br label %while.cond1518
+while.cond1518:
+  %t16 = load ptr, ptr %a1
+  %t17 = call i1 @finch.parser.at(ptr %t16, { ptr, i64, i64 } { ptr @.str.867, i64 1, i64 0 })
+  %t18 = xor i1 %t17, true
+  br i1 %t18, label %while.body1519, label %while.end1520
+while.body1519:
+  %t19 = load ptr, ptr %a1
+  %t20 = call i1 @finch.parser.at(ptr %t19, { ptr, i64, i64 } { ptr @.str.868, i64 3, i64 0 })
+  br i1 %t20, label %then1521, label %endif1523
+then1521:
   %t21 = load ptr, ptr %a1
-  %t22 = call %S.lexer.Token @finch.parser.cur(ptr %t21)
-  call void @finch.parser.fail(ptr %t20, %S.lexer.Token %t22, { ptr, i64, i64 } { ptr @.str.864, i64 35, i64 0 })
-  br label %endif1469
-endif1469:
-  %t23 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i32 0, i32 1
-  %t25 = load ptr, ptr %a1
-  %t26 = call %S.ast.Node @finch.parser.parseStatement(ptr %t25)
-  %t27 = load i64, ptr %t24
-  %t28 = add i64 %t27, 1
-  call void @finch_arr_reserve(ptr %t23, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t29 = load ptr, ptr %t23
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
-  store %S.ast.Node %t26, ptr %t30
-  store i64 %t28, ptr %t24
-  %t31 = load ptr, ptr %a1
-  call void @finch.parser.endOfStatement(ptr %t31)
-  br label %while.cond1464
-while.end1466:
-  %t32 = load i64, ptr %a11
+  %t22 = load ptr, ptr %a1
+  %t23 = call %S.lexer.Token @finch.parser.cur(ptr %t22)
+  call void @finch.parser.fail(ptr %t21, %S.lexer.Token %t23, { ptr, i64, i64 } { ptr @.str.869, i64 35, i64 0 })
+  store %S.lexer.Token %t23, ptr %a24
+  call void @finch.drop.S_lexer_Token(ptr %a24)
+  br label %endif1523
+endif1523:
+  %t25 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i32 0, i32 1
+  %t27 = load ptr, ptr %a1
+  %t28 = call %S.ast.Node @finch.parser.parseStatement(ptr %t27)
+  %t29 = load i64, ptr %t26
+  %t30 = add i64 %t29, 1
+  call void @finch_arr_reserve(ptr %t25, i64 %t30, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t31 = load ptr, ptr %t25
+  %t32 = getelementptr inbounds %S.ast.Node, ptr %t31, i64 %t29
+  store %S.ast.Node %t28, ptr %t32
+  store i64 %t30, ptr %t26
   %t33 = load ptr, ptr %a1
-  %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic1470, label %ok1471
-panic1470:
-  call void @finch_panic(ptr @.str.865, i64 441, ptr @.str.866)
+  call void @finch.parser.endOfStatement(ptr %t33)
+  br label %while.cond1518
+while.end1520:
+  %t34 = load i64, ptr %a12
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic1524, label %ok1525
+panic1524:
+  call void @finch_panic(ptr @.str.870, i64 441, ptr @.str.871)
   unreachable
-ok1471:
-  %t35 = getelementptr inbounds %S.parser.Parser, ptr %t33, i32 0, i32 2
-  store i64 %t32, ptr %t35
-  %t36 = load ptr, ptr %a1
-  %t37 = call %S.lexer.Token @finch.parser.cur(ptr %t36)
-  %t38 = extractvalue %S.lexer.Token %t37, 2
-  %t39 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
-  store i64 %t38, ptr %t39
-  %t40 = load ptr, ptr %a1
-  %t41 = call %S.lexer.Token @finch.parser.next(ptr %t40)
-  %t42 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t42, ptr %a43
-  call void @finch.copy.S_ast_Node(ptr %a44, ptr %a43)
-  %t45 = load %S.ast.Node, ptr %a44
-  ret %S.ast.Node %t45
+ok1525:
+  %t37 = getelementptr inbounds %S.parser.Parser, ptr %t35, i32 0, i32 2
+  store i64 %t34, ptr %t37
+  %t38 = load ptr, ptr %a1
+  %t39 = call %S.lexer.Token @finch.parser.cur(ptr %t38)
+  %t40 = extractvalue %S.lexer.Token %t39, 2
+  store %S.lexer.Token %t39, ptr %a41
+  call void @finch.drop.S_lexer_Token(ptr %a41)
+  %t42 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 14
+  store i64 %t40, ptr %t42
+  %t43 = load ptr, ptr %a1
+  %t44 = call %S.lexer.Token @finch.parser.next(ptr %t43)
+  store %S.lexer.Token %t44, ptr %a45
+  call void @finch.drop.S_lexer_Token(ptr %a45)
+  %t46 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t46
 }
 
 define internal %S.ast.Node @finch.parser.parseStatement(ptr %p0) {
@@ -16665,846 +18555,945 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca %S.ast.Node, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca %S.lexer.Token, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca %S.ast.Node, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca %S.ast.Node, align 16
+  %a50 = alloca %S.lexer.Token, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.lexer.Token, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca %S.lexer.Token, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca %S.lexer.Token, align 16
+  %a93 = alloca %S.lexer.Token, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca %S.ast.Node, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca %S.ast.Node, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca %S.ast.Node, align 16
+  %a131 = alloca %S.lexer.Token, align 16
+  %a138 = alloca %S.lexer.Token, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca %S.ast.Node, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca %S.ast.Node, align 16
+  %a167 = alloca %S.lexer.Token, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca %S.ast.Node, align 16
+  %a186 = alloca %S.lexer.Token, align 16
+  %a192 = alloca %S.lexer.Token, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca %S.ast.Node, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca %S.ast.Node, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca %S.lexer.Token, align 16
-  %a282 = alloca %S.ast.Node, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca %S.lexer.Token, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca %S.ast.Node, align 16
+  %a250 = alloca %S.ast.Type, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca %S.lexer.Token, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca %S.ast.Node, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca %S.lexer.Token, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca i64, align 16
-  %a301 = alloca i64, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca %S.lexer.Token, align 16
+  %a309 = alloca %S.lexer.Token, align 16
+  %a312 = alloca %S.ast.Node, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca %S.ast.Node, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca i64, align 16
+  %a331 = alloca i64, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
   %a355 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca %S.ast.Node, align 16
-  %a362 = alloca %S.ast.Node, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca %S.ast.Node, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca %S.ast.Node, align 16
-  %a422 = alloca %S.ast.Node, align 16
-  %a423 = alloca %S.ast.Node, align 16
-  %a430 = alloca %S.ast.Node, align 16
-  %a431 = alloca %S.ast.Node, align 16
+  %a388 = alloca %S.lexer.Token, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca %S.ast.Node, align 16
+  %a396 = alloca %S.ast.Node, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca %S.ast.Node, align 16
+  %a456 = alloca %S.ast.Node, align 16
+  %a457 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t2)
   store { ptr, i64, i64 } %t3, ptr %a4
   %t5 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.867, i64 2, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.872, i64 2, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then1472, label %endif1474
-then1472:
+  br i1 %t9, label %then1526, label %endif1528
+then1526:
   %t10 = load ptr, ptr %a1
   %t11 = call %S.ast.Node @finch.parser.parseIf(ptr %t10)
+  call void @finch_str_drop(ptr %a4)
   ret %S.ast.Node %t11
-endif1474:
+endif1528:
   %t12 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.868, i64 5, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.873, i64 5, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br i1 %t16, label %then1475, label %endif1477
-then1475:
+  br i1 %t16, label %then1529, label %endif1531
+then1529:
   %t17 = load ptr, ptr %a1
-  %t18 = call %S.ast.Node @finch.parser.node(ptr %t17, { ptr, i64, i64 } { ptr @.str.869, i64 5, i64 0 })
+  %t18 = call %S.ast.Node @finch.parser.node(ptr %t17, { ptr, i64, i64 } { ptr @.str.874, i64 5, i64 0 })
   store %S.ast.Node %t18, ptr %a19
   %t20 = load ptr, ptr %a1
   %t21 = call %S.lexer.Token @finch.parser.next(ptr %t20)
-  %t22 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load ptr, ptr %a1
-  %t25 = call %S.ast.Node @finch.parser.parseExpr(ptr %t24)
-  %t26 = load i64, ptr %t23
-  %t27 = add i64 %t26, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t27, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t28 = load ptr, ptr %t22
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %t28, i64 %t26
-  store %S.ast.Node %t25, ptr %t29
-  store i64 %t27, ptr %t23
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.ast.Node @finch.parser.parseBlock(ptr %t32)
-  %t34 = load i64, ptr %t31
-  %t35 = add i64 %t34, 1
-  call void @finch_arr_reserve(ptr %t30, i64 %t35, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t36 = load ptr, ptr %t30
-  %t37 = getelementptr inbounds %S.ast.Node, ptr %t36, i64 %t34
-  store %S.ast.Node %t33, ptr %t37
-  store i64 %t35, ptr %t31
-  %t38 = load %S.ast.Node, ptr %a19
-  ret %S.ast.Node %t38
-endif1477:
-  %t39 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.870, i64 3, i64 0 }, ptr %a41
-  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
-  %t43 = icmp ne i32 %t42, 0
-  br i1 %t43, label %then1478, label %endif1480
-then1478:
-  %t44 = load ptr, ptr %a1
-  %t45 = call %S.ast.Node @finch.parser.node(ptr %t44, { ptr, i64, i64 } { ptr @.str.871, i64 3, i64 0 })
-  store %S.ast.Node %t45, ptr %a46
-  %t47 = load ptr, ptr %a1
-  %t48 = call %S.lexer.Token @finch.parser.next(ptr %t47)
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.expect(ptr %t49, { ptr, i64, i64 } { ptr @.str.872, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.873, i64 20, i64 0 })
-  %t51 = extractvalue %S.lexer.Token %t50, 1
-  store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  %t55 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 1
-  store { ptr, i64, i64 } %t54, ptr %t55
-  %t56 = load ptr, ptr %a1
-  %t57 = call i1 @finch.parser.accept(ptr %t56, { ptr, i64, i64 } { ptr @.str.874, i64 1, i64 0 })
-  br i1 %t57, label %then1481, label %endif1483
-then1481:
-  %t58 = load ptr, ptr %a1
-  %t59 = call %S.lexer.Token @finch.parser.expect(ptr %t58, { ptr, i64, i64 } { ptr @.str.875, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.876, i64 27, i64 0 })
-  %t60 = extractvalue %S.lexer.Token %t59, 1
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  %t64 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 4
-  store { ptr, i64, i64 } %t63, ptr %t64
-  br label %endif1483
-endif1483:
-  %t65 = load ptr, ptr %a1
-  %t66 = call %S.lexer.Token @finch.parser.expect(ptr %t65, { ptr, i64, i64 } { ptr @.str.877, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.878, i64 4, i64 0 })
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
-  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
-  %t69 = load ptr, ptr %a1
-  %t70 = call %S.ast.Node @finch.parser.parseExpr(ptr %t69)
-  %t71 = load i64, ptr %t68
-  %t72 = add i64 %t71, 1
-  call void @finch_arr_reserve(ptr %t67, i64 %t72, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t73 = load ptr, ptr %t67
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 %t71
-  store %S.ast.Node %t70, ptr %t74
-  store i64 %t72, ptr %t68
-  %t75 = load ptr, ptr %a1
-  %t76 = call i1 @finch.parser.accept(ptr %t75, { ptr, i64, i64 } { ptr @.str.879, i64 2, i64 0 })
-  br i1 %t76, label %then1484, label %else1485
-then1484:
-  %t77 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 4
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t79 = load i64, ptr %t78
-  %t80 = icmp sgt i64 %t79, 0
-  br i1 %t80, label %then1487, label %endif1489
-then1487:
-  %t81 = load ptr, ptr %a1
-  %t82 = load ptr, ptr %a1
-  %t83 = call %S.lexer.Token @finch.parser.cur(ptr %t82)
-  call void @finch.parser.fail(ptr %t81, %S.lexer.Token %t83, { ptr, i64, i64 } { ptr @.str.880, i64 55, i64 0 })
-  br label %endif1489
-endif1489:
-  %t84 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
-  %t85 = getelementptr inbounds { ptr, i64, i64 }, ptr %t84, i32 0, i32 1
-  %t86 = load ptr, ptr %a1
-  %t87 = call %S.ast.Node @finch.parser.parseExpr(ptr %t86)
-  %t88 = load i64, ptr %t85
-  %t89 = add i64 %t88, 1
-  call void @finch_arr_reserve(ptr %t84, i64 %t89, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t90 = load ptr, ptr %t84
-  %t91 = getelementptr inbounds %S.ast.Node, ptr %t90, i64 %t88
-  store %S.ast.Node %t87, ptr %t91
-  store i64 %t89, ptr %t85
-  br label %endif1486
-else1485:
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.881, i64 4, i64 0 }, ptr %t92
-  br label %endif1486
-endif1486:
-  %t93 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i32 0, i32 1
-  %t95 = load ptr, ptr %a1
-  %t96 = call %S.ast.Node @finch.parser.parseBlock(ptr %t95)
-  %t97 = load i64, ptr %t94
-  %t98 = add i64 %t97, 1
-  call void @finch_arr_reserve(ptr %t93, i64 %t98, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t99 = load ptr, ptr %t93
-  %t100 = getelementptr inbounds %S.ast.Node, ptr %t99, i64 %t97
-  store %S.ast.Node %t96, ptr %t100
-  store i64 %t98, ptr %t94
-  %t101 = load %S.ast.Node, ptr %a46
-  ret %S.ast.Node %t101
-endif1480:
-  %t102 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t102, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.882, i64 5, i64 0 }, ptr %a104
-  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
-  %t106 = icmp ne i32 %t105, 0
-  br i1 %t106, label %then1490, label %endif1492
-then1490:
+  store %S.lexer.Token %t21, ptr %a22
+  call void @finch.drop.S_lexer_Token(ptr %a22)
+  %t23 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
+  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i32 0, i32 1
+  %t25 = load ptr, ptr %a1
+  %t26 = call %S.ast.Node @finch.parser.parseExpr(ptr %t25)
+  %t27 = load i64, ptr %t24
+  %t28 = add i64 %t27, 1
+  call void @finch_arr_reserve(ptr %t23, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t29 = load ptr, ptr %t23
+  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
+  store %S.ast.Node %t26, ptr %t30
+  store i64 %t28, ptr %t24
+  %t31 = getelementptr inbounds %S.ast.Node, ptr %a19, i32 0, i32 9
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
+  %t33 = load ptr, ptr %a1
+  %t34 = call %S.ast.Node @finch.parser.parseBlock(ptr %t33)
+  %t35 = load i64, ptr %t32
+  %t36 = add i64 %t35, 1
+  call void @finch_arr_reserve(ptr %t31, i64 %t36, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t37 = load ptr, ptr %t31
+  %t38 = getelementptr inbounds %S.ast.Node, ptr %t37, i64 %t35
+  store %S.ast.Node %t34, ptr %t38
+  store i64 %t36, ptr %t32
+  %t39 = load %S.ast.Node, ptr %a19
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t39
+endif1531:
+  %t40 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t40, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.875, i64 3, i64 0 }, ptr %a42
+  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
+  %t44 = icmp ne i32 %t43, 0
+  br i1 %t44, label %then1532, label %endif1534
+then1532:
+  %t45 = load ptr, ptr %a1
+  %t46 = call %S.ast.Node @finch.parser.node(ptr %t45, { ptr, i64, i64 } { ptr @.str.876, i64 3, i64 0 })
+  store %S.ast.Node %t46, ptr %a47
+  %t48 = load ptr, ptr %a1
+  %t49 = call %S.lexer.Token @finch.parser.next(ptr %t48)
+  store %S.lexer.Token %t49, ptr %a50
+  call void @finch.drop.S_lexer_Token(ptr %a50)
+  %t51 = load ptr, ptr %a1
+  %t52 = call %S.lexer.Token @finch.parser.expect(ptr %t51, { ptr, i64, i64 } { ptr @.str.877, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.878, i64 20, i64 0 })
+  %t53 = extractvalue %S.lexer.Token %t52, 1
+  store { ptr, i64, i64 } %t53, ptr %a54
+  call void @finch_str_copy(ptr %a55, ptr %a54)
+  %t56 = load { ptr, i64, i64 }, ptr %a55
+  store %S.lexer.Token %t52, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  %t58 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 1
+  %t59 = load { ptr, i64, i64 }, ptr %t58
+  store { ptr, i64, i64 } %t56, ptr %t58
+  store { ptr, i64, i64 } %t59, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load ptr, ptr %a1
+  %t62 = call i1 @finch.parser.accept(ptr %t61, { ptr, i64, i64 } { ptr @.str.879, i64 1, i64 0 })
+  br i1 %t62, label %then1535, label %endif1537
+then1535:
+  %t63 = load ptr, ptr %a1
+  %t64 = call %S.lexer.Token @finch.parser.expect(ptr %t63, { ptr, i64, i64 } { ptr @.str.880, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.881, i64 27, i64 0 })
+  %t65 = extractvalue %S.lexer.Token %t64, 1
+  store { ptr, i64, i64 } %t65, ptr %a66
+  call void @finch_str_copy(ptr %a67, ptr %a66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store %S.lexer.Token %t64, ptr %a69
+  call void @finch.drop.S_lexer_Token(ptr %a69)
+  %t70 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 4
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  store { ptr, i64, i64 } %t68, ptr %t70
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  br label %endif1537
+endif1537:
+  %t73 = load ptr, ptr %a1
+  %t74 = call %S.lexer.Token @finch.parser.expect(ptr %t73, { ptr, i64, i64 } { ptr @.str.882, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.883, i64 4, i64 0 })
+  store %S.lexer.Token %t74, ptr %a75
+  call void @finch.drop.S_lexer_Token(ptr %a75)
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 9
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.ast.Node @finch.parser.parseExpr(ptr %t78)
+  %t80 = load i64, ptr %t77
+  %t81 = add i64 %t80, 1
+  call void @finch_arr_reserve(ptr %t76, i64 %t81, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t82 = load ptr, ptr %t76
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %t82, i64 %t80
+  store %S.ast.Node %t79, ptr %t83
+  store i64 %t81, ptr %t77
+  %t84 = load ptr, ptr %a1
+  %t85 = call i1 @finch.parser.accept(ptr %t84, { ptr, i64, i64 } { ptr @.str.884, i64 2, i64 0 })
+  br i1 %t85, label %then1538, label %else1539
+then1538:
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 4
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
+  %t88 = load i64, ptr %t87
+  %t89 = icmp sgt i64 %t88, 0
+  br i1 %t89, label %then1541, label %endif1543
+then1541:
+  %t90 = load ptr, ptr %a1
+  %t91 = load ptr, ptr %a1
+  %t92 = call %S.lexer.Token @finch.parser.cur(ptr %t91)
+  call void @finch.parser.fail(ptr %t90, %S.lexer.Token %t92, { ptr, i64, i64 } { ptr @.str.885, i64 55, i64 0 })
+  store %S.lexer.Token %t92, ptr %a93
+  call void @finch.drop.S_lexer_Token(ptr %a93)
+  br label %endif1543
+endif1543:
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 9
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
+  %t96 = load ptr, ptr %a1
+  %t97 = call %S.ast.Node @finch.parser.parseExpr(ptr %t96)
+  %t98 = load i64, ptr %t95
+  %t99 = add i64 %t98, 1
+  call void @finch_arr_reserve(ptr %t94, i64 %t99, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t100 = load ptr, ptr %t94
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 %t98
+  store %S.ast.Node %t97, ptr %t101
+  store i64 %t99, ptr %t95
+  br label %endif1540
+else1539:
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 0
+  %t103 = load { ptr, i64, i64 }, ptr %t102
+  store { ptr, i64, i64 } { ptr @.str.886, i64 4, i64 0 }, ptr %t102
+  store { ptr, i64, i64 } %t103, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  br label %endif1540
+endif1540:
+  %t105 = getelementptr inbounds %S.ast.Node, ptr %a47, i32 0, i32 9
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t105, i32 0, i32 1
   %t107 = load ptr, ptr %a1
-  %t108 = call %S.ast.Node @finch.parser.parseMatch(ptr %t107, i1 false)
-  ret %S.ast.Node %t108
-endif1492:
-  %t109 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t109, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.883, i64 6, i64 0 }, ptr %a111
-  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
-  %t113 = icmp ne i32 %t112, 0
-  br i1 %t113, label %then1493, label %endif1495
-then1493:
-  %t114 = load ptr, ptr %a1
-  %t115 = call %S.ast.Node @finch.parser.node(ptr %t114, { ptr, i64, i64 } { ptr @.str.884, i64 6, i64 0 })
-  store %S.ast.Node %t115, ptr %a116
-  %t117 = load ptr, ptr %a1
-  %t118 = call %S.lexer.Token @finch.parser.next(ptr %t117)
+  %t108 = call %S.ast.Node @finch.parser.parseBlock(ptr %t107)
+  %t109 = load i64, ptr %t106
+  %t110 = add i64 %t109, 1
+  call void @finch_arr_reserve(ptr %t105, i64 %t110, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t111 = load ptr, ptr %t105
+  %t112 = getelementptr inbounds %S.ast.Node, ptr %t111, i64 %t109
+  store %S.ast.Node %t108, ptr %t112
+  store i64 %t110, ptr %t106
+  %t113 = load %S.ast.Node, ptr %a47
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t113
+endif1534:
+  %t114 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.887, i64 5, i64 0 }, ptr %a116
+  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
+  %t118 = icmp ne i32 %t117, 0
+  br i1 %t118, label %then1544, label %endif1546
+then1544:
   %t119 = load ptr, ptr %a1
-  %t120 = call i1 @finch.parser.at(ptr %t119, { ptr, i64, i64 } { ptr @.str.885, i64 1, i64 0 })
-  %t121 = xor i1 %t120, true
-  br label %logic.from1496
-logic.from1496:
-  br i1 %t121, label %logic.rhs1497, label %logic.end1498
-logic.rhs1497:
-  %t122 = load ptr, ptr %a1
-  %t123 = call %S.lexer.Token @finch.parser.cur(ptr %t122)
-  %t124 = extractvalue %S.lexer.Token %t123, 4
-  %t125 = xor i1 %t124, true
-  br label %logic.rend1499
-logic.rend1499:
-  br label %logic.end1498
-logic.end1498:
-  %t126 = phi i1 [ false, %logic.from1496 ], [ %t125, %logic.rend1499 ]
-  br i1 %t126, label %then1500, label %endif1502
-then1500:
-  %t127 = getelementptr inbounds %S.ast.Node, ptr %a116, i32 0, i32 9
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i32 0, i32 1
+  %t120 = call %S.ast.Node @finch.parser.parseMatch(ptr %t119, i1 false)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t120
+endif1546:
+  %t121 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t121, ptr %a122
+  store { ptr, i64, i64 } { ptr @.str.888, i64 6, i64 0 }, ptr %a123
+  %t124 = call i32 @finch_str_eq(ptr %a122, ptr %a123)
+  %t125 = icmp ne i32 %t124, 0
+  br i1 %t125, label %then1547, label %endif1549
+then1547:
+  %t126 = load ptr, ptr %a1
+  %t127 = call %S.ast.Node @finch.parser.node(ptr %t126, { ptr, i64, i64 } { ptr @.str.889, i64 6, i64 0 })
+  store %S.ast.Node %t127, ptr %a128
   %t129 = load ptr, ptr %a1
-  %t130 = call %S.ast.Node @finch.parser.parseExpr(ptr %t129)
-  %t131 = load i64, ptr %t128
-  %t132 = add i64 %t131, 1
-  call void @finch_arr_reserve(ptr %t127, i64 %t132, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t133 = load ptr, ptr %t127
-  %t134 = getelementptr inbounds %S.ast.Node, ptr %t133, i64 %t131
-  store %S.ast.Node %t130, ptr %t134
-  store i64 %t132, ptr %t128
-  br label %endif1502
-endif1502:
-  %t135 = load %S.ast.Node, ptr %a116
-  ret %S.ast.Node %t135
-endif1495:
-  %t136 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t136, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.886, i64 5, i64 0 }, ptr %a138
-  %t139 = call i32 @finch_str_eq(ptr %a137, ptr %a138)
-  %t140 = icmp ne i32 %t139, 0
-  br label %logic.from1503
-logic.from1503:
-  br i1 %t140, label %logic.end1505, label %logic.rhs1504
-logic.rhs1504:
-  %t141 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t141, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.887, i64 8, i64 0 }, ptr %a143
-  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
-  %t145 = icmp ne i32 %t144, 0
-  br label %logic.rend1506
-logic.rend1506:
-  br label %logic.end1505
-logic.end1505:
-  %t146 = phi i1 [ true, %logic.from1503 ], [ %t145, %logic.rend1506 ]
-  br i1 %t146, label %then1507, label %endif1509
-then1507:
-  %t147 = load ptr, ptr %a1
-  %t148 = load { ptr, i64, i64 }, ptr %a4
-  %t149 = call %S.ast.Node @finch.parser.node(ptr %t147, { ptr, i64, i64 } %t148)
-  store %S.ast.Node %t149, ptr %a150
-  %t151 = load ptr, ptr %a1
-  %t152 = call %S.lexer.Token @finch.parser.next(ptr %t151)
-  %t153 = load %S.ast.Node, ptr %a150
-  ret %S.ast.Node %t153
-endif1509:
-  %t154 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t154, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.888, i64 1, i64 0 }, ptr %a156
-  %t157 = call i32 @finch_str_eq(ptr %a155, ptr %a156)
-  %t158 = icmp ne i32 %t157, 0
-  br i1 %t158, label %then1510, label %endif1512
-then1510:
-  %t159 = load ptr, ptr %a1
-  %t160 = call %S.ast.Node @finch.parser.parseBlock(ptr %t159)
-  ret %S.ast.Node %t160
-endif1512:
-  %t161 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t161, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.889, i64 5, i64 0 }, ptr %a163
-  %t164 = call i32 @finch_str_eq(ptr %a162, ptr %a163)
-  %t165 = icmp ne i32 %t164, 0
-  br i1 %t165, label %then1513, label %endif1515
-then1513:
-  %t166 = load ptr, ptr %a1
-  %t167 = call %S.ast.Node @finch.parser.node(ptr %t166, { ptr, i64, i64 } { ptr @.str.890, i64 5, i64 0 })
-  store %S.ast.Node %t167, ptr %a168
-  %t169 = load ptr, ptr %a1
-  %t170 = call %S.lexer.Token @finch.parser.next(ptr %t169)
-  %t171 = load ptr, ptr %a1
-  %t172 = call i1 @finch.parser.at(ptr %t171, { ptr, i64, i64 } { ptr @.str.891, i64 5, i64 0 })
-  br i1 %t172, label %then1516, label %endif1518
-then1516:
-  %t173 = load ptr, ptr %a1
+  %t130 = call %S.lexer.Token @finch.parser.next(ptr %t129)
+  store %S.lexer.Token %t130, ptr %a131
+  call void @finch.drop.S_lexer_Token(ptr %a131)
+  %t132 = load ptr, ptr %a1
+  %t133 = call i1 @finch.parser.at(ptr %t132, { ptr, i64, i64 } { ptr @.str.890, i64 1, i64 0 })
+  %t134 = xor i1 %t133, true
+  br label %logic.from1550
+logic.from1550:
+  br i1 %t134, label %logic.rhs1551, label %logic.end1552
+logic.rhs1551:
+  %t135 = load ptr, ptr %a1
+  %t136 = call %S.lexer.Token @finch.parser.cur(ptr %t135)
+  %t137 = extractvalue %S.lexer.Token %t136, 4
+  store %S.lexer.Token %t136, ptr %a138
+  call void @finch.drop.S_lexer_Token(ptr %a138)
+  %t139 = xor i1 %t137, true
+  br label %logic.rend1553
+logic.rend1553:
+  br label %logic.end1552
+logic.end1552:
+  %t140 = phi i1 [ false, %logic.from1550 ], [ %t139, %logic.rend1553 ]
+  br i1 %t140, label %then1554, label %endif1556
+then1554:
+  %t141 = getelementptr inbounds %S.ast.Node, ptr %a128, i32 0, i32 9
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i32 0, i32 1
+  %t143 = load ptr, ptr %a1
+  %t144 = call %S.ast.Node @finch.parser.parseExpr(ptr %t143)
+  %t145 = load i64, ptr %t142
+  %t146 = add i64 %t145, 1
+  call void @finch_arr_reserve(ptr %t141, i64 %t146, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t147 = load ptr, ptr %t141
+  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 %t145
+  store %S.ast.Node %t144, ptr %t148
+  store i64 %t146, ptr %t142
+  br label %endif1556
+endif1556:
+  %t149 = load %S.ast.Node, ptr %a128
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t149
+endif1549:
+  %t150 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t150, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.891, i64 5, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
+  %t154 = icmp ne i32 %t153, 0
+  br label %logic.from1557
+logic.from1557:
+  br i1 %t154, label %logic.end1559, label %logic.rhs1558
+logic.rhs1558:
+  %t155 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t155, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.892, i64 8, i64 0 }, ptr %a157
+  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
+  %t159 = icmp ne i32 %t158, 0
+  br label %logic.rend1560
+logic.rend1560:
+  br label %logic.end1559
+logic.end1559:
+  %t160 = phi i1 [ true, %logic.from1557 ], [ %t159, %logic.rend1560 ]
+  br i1 %t160, label %then1561, label %endif1563
+then1561:
+  %t161 = load ptr, ptr %a1
+  %t162 = load { ptr, i64, i64 }, ptr %a4
+  %t163 = call %S.ast.Node @finch.parser.node(ptr %t161, { ptr, i64, i64 } %t162)
+  store %S.ast.Node %t163, ptr %a164
+  %t165 = load ptr, ptr %a1
+  %t166 = call %S.lexer.Token @finch.parser.next(ptr %t165)
+  store %S.lexer.Token %t166, ptr %a167
+  call void @finch.drop.S_lexer_Token(ptr %a167)
+  %t168 = load %S.ast.Node, ptr %a164
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t168
+endif1563:
+  %t169 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t169, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.893, i64 1, i64 0 }, ptr %a171
+  %t172 = call i32 @finch_str_eq(ptr %a170, ptr %a171)
+  %t173 = icmp ne i32 %t172, 0
+  br i1 %t173, label %then1564, label %endif1566
+then1564:
   %t174 = load ptr, ptr %a1
-  %t175 = call %S.lexer.Token @finch.parser.cur(ptr %t174)
-  call void @finch.parser.fail(ptr %t173, %S.lexer.Token %t175, { ptr, i64, i64 } { ptr @.str.892, i64 33, i64 0 })
-  br label %endif1518
-endif1518:
-  %t176 = getelementptr inbounds %S.ast.Node, ptr %a168, i32 0, i32 9
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i32 0, i32 1
-  %t178 = load ptr, ptr %a1
-  %t179 = call %S.ast.Node @finch.parser.parseStatement(ptr %t178)
-  %t180 = load i64, ptr %t177
-  %t181 = add i64 %t180, 1
-  call void @finch_arr_reserve(ptr %t176, i64 %t181, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t182 = load ptr, ptr %t176
-  %t183 = getelementptr inbounds %S.ast.Node, ptr %t182, i64 %t180
-  store %S.ast.Node %t179, ptr %t183
-  store i64 %t181, ptr %t177
-  %t184 = load %S.ast.Node, ptr %a168
-  ret %S.ast.Node %t184
-endif1515:
-  %t185 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t185, ptr %a186
-  store { ptr, i64, i64 } { ptr @.str.893, i64 2, i64 0 }, ptr %a187
-  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
-  %t189 = icmp ne i32 %t188, 0
-  br label %logic.from1519
-logic.from1519:
-  br i1 %t189, label %logic.end1521, label %logic.rhs1520
-logic.rhs1520:
-  %t190 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t190, ptr %a191
-  store { ptr, i64, i64 } { ptr @.str.894, i64 6, i64 0 }, ptr %a192
-  %t193 = call i32 @finch_str_eq(ptr %a191, ptr %a192)
-  %t194 = icmp ne i32 %t193, 0
-  br label %logic.rend1522
-logic.rend1522:
-  br label %logic.end1521
-logic.end1521:
-  %t195 = phi i1 [ true, %logic.from1519 ], [ %t194, %logic.rend1522 ]
-  br label %logic.from1523
-logic.from1523:
-  br i1 %t195, label %logic.end1525, label %logic.rhs1524
-logic.rhs1524:
-  %t196 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t196, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.895, i64 6, i64 0 }, ptr %a198
-  %t199 = call i32 @finch_str_eq(ptr %a197, ptr %a198)
-  %t200 = icmp ne i32 %t199, 0
-  br label %logic.rend1526
-logic.rend1526:
-  br label %logic.end1525
-logic.end1525:
-  %t201 = phi i1 [ true, %logic.from1523 ], [ %t200, %logic.rend1526 ]
-  br label %logic.from1527
-logic.from1527:
-  br i1 %t201, label %logic.end1529, label %logic.rhs1528
-logic.rhs1528:
+  %t175 = call %S.ast.Node @finch.parser.parseBlock(ptr %t174)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t175
+endif1566:
+  %t176 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t176, ptr %a177
+  store { ptr, i64, i64 } { ptr @.str.894, i64 5, i64 0 }, ptr %a178
+  %t179 = call i32 @finch_str_eq(ptr %a177, ptr %a178)
+  %t180 = icmp ne i32 %t179, 0
+  br i1 %t180, label %then1567, label %endif1569
+then1567:
+  %t181 = load ptr, ptr %a1
+  %t182 = call %S.ast.Node @finch.parser.node(ptr %t181, { ptr, i64, i64 } { ptr @.str.895, i64 5, i64 0 })
+  store %S.ast.Node %t182, ptr %a183
+  %t184 = load ptr, ptr %a1
+  %t185 = call %S.lexer.Token @finch.parser.next(ptr %t184)
+  store %S.lexer.Token %t185, ptr %a186
+  call void @finch.drop.S_lexer_Token(ptr %a186)
+  %t187 = load ptr, ptr %a1
+  %t188 = call i1 @finch.parser.at(ptr %t187, { ptr, i64, i64 } { ptr @.str.896, i64 5, i64 0 })
+  br i1 %t188, label %then1570, label %endif1572
+then1570:
+  %t189 = load ptr, ptr %a1
+  %t190 = load ptr, ptr %a1
+  %t191 = call %S.lexer.Token @finch.parser.cur(ptr %t190)
+  call void @finch.parser.fail(ptr %t189, %S.lexer.Token %t191, { ptr, i64, i64 } { ptr @.str.897, i64 33, i64 0 })
+  store %S.lexer.Token %t191, ptr %a192
+  call void @finch.drop.S_lexer_Token(ptr %a192)
+  br label %endif1572
+endif1572:
+  %t193 = getelementptr inbounds %S.ast.Node, ptr %a183, i32 0, i32 9
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %t193, i32 0, i32 1
+  %t195 = load ptr, ptr %a1
+  %t196 = call %S.ast.Node @finch.parser.parseStatement(ptr %t195)
+  %t197 = load i64, ptr %t194
+  %t198 = add i64 %t197, 1
+  call void @finch_arr_reserve(ptr %t193, i64 %t198, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t199 = load ptr, ptr %t193
+  %t200 = getelementptr inbounds %S.ast.Node, ptr %t199, i64 %t197
+  store %S.ast.Node %t196, ptr %t200
+  store i64 %t198, ptr %t194
+  %t201 = load %S.ast.Node, ptr %a183
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t201
+endif1569:
   %t202 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t202, ptr %a203
-  store { ptr, i64, i64 } { ptr @.str.896, i64 4, i64 0 }, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.898, i64 2, i64 0 }, ptr %a204
   %t205 = call i32 @finch_str_eq(ptr %a203, ptr %a204)
   %t206 = icmp ne i32 %t205, 0
-  br label %logic.rend1530
-logic.rend1530:
-  br label %logic.end1529
-logic.end1529:
-  %t207 = phi i1 [ true, %logic.from1527 ], [ %t206, %logic.rend1530 ]
-  br i1 %t207, label %then1531, label %endif1533
-then1531:
-  %t208 = load ptr, ptr %a1
-  %t209 = load ptr, ptr %a1
-  %t210 = call %S.lexer.Token @finch.parser.cur(ptr %t209)
-  %t211 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.897, i64 1, i64 0 }, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  store { ptr, i64, i64 } %t215, ptr %a217
-  store { ptr, i64, i64 } { ptr @.str.898, i64 48, i64 0 }, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  call void @finch.parser.fail(ptr %t208, %S.lexer.Token %t210, { ptr, i64, i64 } %t219)
-  br label %endif1533
-endif1533:
-  %t220 = load ptr, ptr %a1
-  %t221 = call i1 @finch.parser.atDeclaration(ptr %t220)
-  br i1 %t221, label %then1534, label %endif1536
-then1534:
-  %t222 = load ptr, ptr %a1
-  %t223 = call %S.ast.Node @finch.parser.node(ptr %t222, { ptr, i64, i64 } { ptr @.str.899, i64 4, i64 0 })
-  store %S.ast.Node %t223, ptr %a224
-  %t225 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 6
-  store i1 true, ptr %t225
+  br label %logic.from1573
+logic.from1573:
+  br i1 %t206, label %logic.end1575, label %logic.rhs1574
+logic.rhs1574:
+  %t207 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t207, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.899, i64 6, i64 0 }, ptr %a209
+  %t210 = call i32 @finch_str_eq(ptr %a208, ptr %a209)
+  %t211 = icmp ne i32 %t210, 0
+  br label %logic.rend1576
+logic.rend1576:
+  br label %logic.end1575
+logic.end1575:
+  %t212 = phi i1 [ true, %logic.from1573 ], [ %t211, %logic.rend1576 ]
+  br label %logic.from1577
+logic.from1577:
+  br i1 %t212, label %logic.end1579, label %logic.rhs1578
+logic.rhs1578:
+  %t213 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.900, i64 6, i64 0 }, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br label %logic.rend1580
+logic.rend1580:
+  br label %logic.end1579
+logic.end1579:
+  %t218 = phi i1 [ true, %logic.from1577 ], [ %t217, %logic.rend1580 ]
+  br label %logic.from1581
+logic.from1581:
+  br i1 %t218, label %logic.end1583, label %logic.rhs1582
+logic.rhs1582:
+  %t219 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t219, ptr %a220
+  store { ptr, i64, i64 } { ptr @.str.901, i64 4, i64 0 }, ptr %a221
+  %t222 = call i32 @finch_str_eq(ptr %a220, ptr %a221)
+  %t223 = icmp ne i32 %t222, 0
+  br label %logic.rend1584
+logic.rend1584:
+  br label %logic.end1583
+logic.end1583:
+  %t224 = phi i1 [ true, %logic.from1581 ], [ %t223, %logic.rend1584 ]
+  br i1 %t224, label %then1585, label %endif1587
+then1585:
+  %t225 = load ptr, ptr %a1
   %t226 = load ptr, ptr %a1
-  %t227 = call %S.ast.Type @finch.parser.parseType(ptr %t226)
-  %t228 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 5
-  store %S.ast.Type %t227, ptr %t228
-  %t229 = load ptr, ptr %a1
-  %t230 = call %S.lexer.Token @finch.parser.expect(ptr %t229, { ptr, i64, i64 } { ptr @.str.900, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.901, i64 15, i64 0 })
-  %t231 = extractvalue %S.lexer.Token %t230, 1
-  store { ptr, i64, i64 } %t231, ptr %a232
-  call void @finch_str_copy(ptr %a233, ptr %a232)
-  %t234 = load { ptr, i64, i64 }, ptr %a233
-  %t235 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 1
-  store { ptr, i64, i64 } %t234, ptr %t235
-  %t236 = load ptr, ptr %a1
-  %t237 = call i1 @finch.parser.accept(ptr %t236, { ptr, i64, i64 } { ptr @.str.902, i64 1, i64 0 })
-  br i1 %t237, label %then1537, label %endif1539
-then1537:
-  %t238 = getelementptr inbounds %S.ast.Node, ptr %a224, i32 0, i32 9
-  %t239 = getelementptr inbounds { ptr, i64, i64 }, ptr %t238, i32 0, i32 1
+  %t227 = call %S.lexer.Token @finch.parser.cur(ptr %t226)
+  %t228 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.902, i64 1, i64 0 }, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  %t232 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t232, ptr %a234
+  store { ptr, i64, i64 } { ptr @.str.903, i64 48, i64 0 }, ptr %a235
+  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
+  store { ptr, i64, i64 } %t232, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a233
+  call void @finch.parser.fail(ptr %t225, %S.lexer.Token %t227, { ptr, i64, i64 } %t237)
+  store %S.lexer.Token %t227, ptr %a238
+  call void @finch.drop.S_lexer_Token(ptr %a238)
+  store { ptr, i64, i64 } %t237, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  br label %endif1587
+endif1587:
   %t240 = load ptr, ptr %a1
-  %t241 = call %S.ast.Node @finch.parser.parseExpr(ptr %t240)
-  %t242 = load i64, ptr %t239
-  %t243 = add i64 %t242, 1
-  call void @finch_arr_reserve(ptr %t238, i64 %t243, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t244 = load ptr, ptr %t238
-  %t245 = getelementptr inbounds %S.ast.Node, ptr %t244, i64 %t242
-  store %S.ast.Node %t241, ptr %t245
-  store i64 %t243, ptr %t239
-  br label %endif1539
-endif1539:
-  %t246 = load %S.ast.Node, ptr %a224
-  ret %S.ast.Node %t246
-endif1536:
-  %t247 = load ptr, ptr %a1
-  %t248 = call i1 @finch.parser.at(ptr %t247, { ptr, i64, i64 } { ptr @.str.903, i64 5, i64 0 })
-  br label %logic.from1540
-logic.from1540:
-  br i1 %t248, label %logic.rhs1541, label %logic.end1542
-logic.rhs1541:
-  %t249 = load ptr, ptr %a1
-  %t250 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t249, i64 1)
-  store { ptr, i64, i64 } %t250, ptr %a251
-  store { ptr, i64, i64 } { ptr @.str.904, i64 2, i64 0 }, ptr %a252
-  %t253 = call i32 @finch_str_eq(ptr %a251, ptr %a252)
-  %t254 = icmp ne i32 %t253, 0
-  br label %logic.rend1543
-logic.rend1543:
-  br label %logic.end1542
-logic.end1542:
-  %t255 = phi i1 [ false, %logic.from1540 ], [ %t254, %logic.rend1543 ]
-  br i1 %t255, label %then1544, label %endif1546
-then1544:
-  %t256 = load ptr, ptr %a1
-  %t257 = call %S.ast.Node @finch.parser.node(ptr %t256, { ptr, i64, i64 } { ptr @.str.905, i64 4, i64 0 })
-  store %S.ast.Node %t257, ptr %a258
-  %t259 = load ptr, ptr %a1
-  %t260 = call %S.lexer.Token @finch.parser.next(ptr %t259)
-  %t261 = extractvalue %S.lexer.Token %t260, 1
-  store { ptr, i64, i64 } %t261, ptr %a262
-  call void @finch_str_copy(ptr %a263, ptr %a262)
-  %t264 = load { ptr, i64, i64 }, ptr %a263
-  %t265 = getelementptr inbounds %S.ast.Node, ptr %a258, i32 0, i32 1
-  store { ptr, i64, i64 } %t264, ptr %t265
-  %t266 = load ptr, ptr %a1
-  %t267 = call %S.lexer.Token @finch.parser.next(ptr %t266)
-  %t268 = getelementptr inbounds %S.ast.Node, ptr %a258, i32 0, i32 9
-  %t269 = getelementptr inbounds { ptr, i64, i64 }, ptr %t268, i32 0, i32 1
-  %t270 = load ptr, ptr %a1
-  %t271 = call %S.ast.Node @finch.parser.parseExpr(ptr %t270)
-  %t272 = load i64, ptr %t269
-  %t273 = add i64 %t272, 1
-  call void @finch_arr_reserve(ptr %t268, i64 %t273, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t274 = load ptr, ptr %t268
-  %t275 = getelementptr inbounds %S.ast.Node, ptr %t274, i64 %t272
-  store %S.ast.Node %t271, ptr %t275
-  store i64 %t273, ptr %t269
-  %t276 = load %S.ast.Node, ptr %a258
-  ret %S.ast.Node %t276
-endif1546:
-  %t277 = load ptr, ptr %a1
-  %t278 = call %S.lexer.Token @finch.parser.cur(ptr %t277)
-  store %S.lexer.Token %t278, ptr %a279
-  %t280 = load ptr, ptr %a1
-  %t281 = call %S.ast.Node @finch.parser.parseExpr(ptr %t280)
-  store %S.ast.Node %t281, ptr %a282
-  %t283 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t284 = call ptr @finch_alloc(i64 %t283)
-  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 0
-  store { ptr, i64, i64 } { ptr @.str.906, i64 1, i64 0 }, ptr %t285
-  %t286 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 1
-  store { ptr, i64, i64 } { ptr @.str.907, i64 2, i64 0 }, ptr %t286
-  %t287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 2
-  store { ptr, i64, i64 } { ptr @.str.908, i64 2, i64 0 }, ptr %t287
-  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 3
-  store { ptr, i64, i64 } { ptr @.str.909, i64 2, i64 0 }, ptr %t288
-  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 4
-  store { ptr, i64, i64 } { ptr @.str.910, i64 2, i64 0 }, ptr %t289
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 5
-  store { ptr, i64, i64 } { ptr @.str.911, i64 2, i64 0 }, ptr %t290
-  %t291 = insertvalue { ptr, i64, i64 } undef, ptr %t284, 0
-  %t292 = insertvalue { ptr, i64, i64 } %t291, i64 6, 1
-  %t293 = insertvalue { ptr, i64, i64 } %t292, i64 6, 2
+  %t241 = call i1 @finch.parser.atDeclaration(ptr %t240)
+  br i1 %t241, label %then1588, label %endif1590
+then1588:
+  %t242 = load ptr, ptr %a1
+  %t243 = call %S.ast.Node @finch.parser.node(ptr %t242, { ptr, i64, i64 } { ptr @.str.904, i64 4, i64 0 })
+  store %S.ast.Node %t243, ptr %a244
+  %t245 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 6
+  store i1 true, ptr %t245
+  %t246 = load ptr, ptr %a1
+  %t247 = call %S.ast.Type @finch.parser.parseType(ptr %t246)
+  %t248 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 5
+  %t249 = load %S.ast.Type, ptr %t248
+  store %S.ast.Type %t247, ptr %t248
+  store %S.ast.Type %t249, ptr %a250
+  call void @finch.drop.S_ast_Type(ptr %a250)
+  %t251 = load ptr, ptr %a1
+  %t252 = call %S.lexer.Token @finch.parser.expect(ptr %t251, { ptr, i64, i64 } { ptr @.str.905, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.906, i64 15, i64 0 })
+  %t253 = extractvalue %S.lexer.Token %t252, 1
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_copy(ptr %a255, ptr %a254)
+  %t256 = load { ptr, i64, i64 }, ptr %a255
+  store %S.lexer.Token %t252, ptr %a257
+  call void @finch.drop.S_lexer_Token(ptr %a257)
+  %t258 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 1
+  %t259 = load { ptr, i64, i64 }, ptr %t258
+  store { ptr, i64, i64 } %t256, ptr %t258
+  store { ptr, i64, i64 } %t259, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load ptr, ptr %a1
+  %t262 = call i1 @finch.parser.accept(ptr %t261, { ptr, i64, i64 } { ptr @.str.907, i64 1, i64 0 })
+  br i1 %t262, label %then1591, label %endif1593
+then1591:
+  %t263 = getelementptr inbounds %S.ast.Node, ptr %a244, i32 0, i32 9
+  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
+  %t265 = load ptr, ptr %a1
+  %t266 = call %S.ast.Node @finch.parser.parseExpr(ptr %t265)
+  %t267 = load i64, ptr %t264
+  %t268 = add i64 %t267, 1
+  call void @finch_arr_reserve(ptr %t263, i64 %t268, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t269 = load ptr, ptr %t263
+  %t270 = getelementptr inbounds %S.ast.Node, ptr %t269, i64 %t267
+  store %S.ast.Node %t266, ptr %t270
+  store i64 %t268, ptr %t264
+  br label %endif1593
+endif1593:
+  %t271 = load %S.ast.Node, ptr %a244
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t271
+endif1590:
+  %t272 = load ptr, ptr %a1
+  %t273 = call i1 @finch.parser.at(ptr %t272, { ptr, i64, i64 } { ptr @.str.908, i64 5, i64 0 })
+  br label %logic.from1594
+logic.from1594:
+  br i1 %t273, label %logic.rhs1595, label %logic.end1596
+logic.rhs1595:
+  %t274 = load ptr, ptr %a1
+  %t275 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t274, i64 1)
+  store { ptr, i64, i64 } %t275, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.909, i64 2, i64 0 }, ptr %a277
+  %t278 = call i32 @finch_str_eq(ptr %a276, ptr %a277)
+  %t279 = icmp ne i32 %t278, 0
+  store { ptr, i64, i64 } %t275, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  br label %logic.rend1597
+logic.rend1597:
+  br label %logic.end1596
+logic.end1596:
+  %t281 = phi i1 [ false, %logic.from1594 ], [ %t279, %logic.rend1597 ]
+  br i1 %t281, label %then1598, label %endif1600
+then1598:
+  %t282 = load ptr, ptr %a1
+  %t283 = call %S.ast.Node @finch.parser.node(ptr %t282, { ptr, i64, i64 } { ptr @.str.910, i64 4, i64 0 })
+  store %S.ast.Node %t283, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = call %S.lexer.Token @finch.parser.next(ptr %t285)
+  %t287 = extractvalue %S.lexer.Token %t286, 1
+  store { ptr, i64, i64 } %t287, ptr %a288
+  call void @finch_str_copy(ptr %a289, ptr %a288)
+  %t290 = load { ptr, i64, i64 }, ptr %a289
+  store %S.lexer.Token %t286, ptr %a291
+  call void @finch.drop.S_lexer_Token(ptr %a291)
+  %t292 = getelementptr inbounds %S.ast.Node, ptr %a284, i32 0, i32 1
+  %t293 = load { ptr, i64, i64 }, ptr %t292
+  store { ptr, i64, i64 } %t290, ptr %t292
   store { ptr, i64, i64 } %t293, ptr %a294
-  %t295 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
-  %t296 = load ptr, ptr %a1
-  %t297 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t296)
-  store i64 -1, ptr %a298
-  %t299 = load i64, ptr %t295
-  %t300 = load ptr, ptr %a294
-  store i64 0, ptr %a301
-  br label %find.cond1547
-find.cond1547:
-  %t302 = load i64, ptr %a301
-  %t303 = icmp slt i64 %t302, %t299
-  br i1 %t303, label %find.body1548, label %find.end1551
-find.body1548:
-  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %t300, i64 %t302
-  %t305 = load { ptr, i64, i64 }, ptr %t304
-  store { ptr, i64, i64 } %t305, ptr %a306
-  store { ptr, i64, i64 } %t297, ptr %a307
-  %t308 = call i32 @finch_str_eq(ptr %a306, ptr %a307)
-  %t309 = icmp ne i32 %t308, 0
-  br i1 %t309, label %find.hit1549, label %find.next1550
-find.hit1549:
-  store i64 %t302, ptr %a298
-  br label %find.end1551
-find.next1550:
-  %t310 = add i64 %t302, 1
-  store i64 %t310, ptr %a301
-  br label %find.cond1547
-find.end1551:
-  %t311 = load i64, ptr %a298
-  %t312 = icmp sge i64 %t311, 0
-  br label %logic.from1552
-logic.from1552:
-  br i1 %t312, label %logic.rhs1553, label %logic.end1554
-logic.rhs1553:
-  %t313 = load ptr, ptr %a1
-  %t314 = call i1 @finch.parser.sameLine(ptr %t313)
-  br label %logic.rend1555
-logic.rend1555:
-  br label %logic.end1554
-logic.end1554:
-  %t315 = phi i1 [ false, %logic.from1552 ], [ %t314, %logic.rend1555 ]
-  br i1 %t315, label %then1556, label %endif1558
-then1556:
-  %t316 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t317 = load { ptr, i64, i64 }, ptr %t316
-  store { ptr, i64, i64 } %t317, ptr %a318
-  store { ptr, i64, i64 } { ptr @.str.912, i64 3, i64 0 }, ptr %a319
-  %t320 = call i32 @finch_str_eq(ptr %a318, ptr %a319)
-  %t321 = icmp eq i32 %t320, 0
-  br label %logic.from1559
-logic.from1559:
-  br i1 %t321, label %logic.rhs1560, label %logic.end1561
-logic.rhs1560:
-  %t322 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t323 = load { ptr, i64, i64 }, ptr %t322
+  call void @finch_str_drop(ptr %a294)
+  %t295 = load ptr, ptr %a1
+  %t296 = call %S.lexer.Token @finch.parser.next(ptr %t295)
+  store %S.lexer.Token %t296, ptr %a297
+  call void @finch.drop.S_lexer_Token(ptr %a297)
+  %t298 = getelementptr inbounds %S.ast.Node, ptr %a284, i32 0, i32 9
+  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i32 0, i32 1
+  %t300 = load ptr, ptr %a1
+  %t301 = call %S.ast.Node @finch.parser.parseExpr(ptr %t300)
+  %t302 = load i64, ptr %t299
+  %t303 = add i64 %t302, 1
+  call void @finch_arr_reserve(ptr %t298, i64 %t303, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t304 = load ptr, ptr %t298
+  %t305 = getelementptr inbounds %S.ast.Node, ptr %t304, i64 %t302
+  store %S.ast.Node %t301, ptr %t305
+  store i64 %t303, ptr %t299
+  %t306 = load %S.ast.Node, ptr %a284
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t306
+endif1600:
+  %t307 = load ptr, ptr %a1
+  %t308 = call %S.lexer.Token @finch.parser.cur(ptr %t307)
+  store %S.lexer.Token %t308, ptr %a309
+  %t310 = load ptr, ptr %a1
+  %t311 = call %S.ast.Node @finch.parser.parseExpr(ptr %t310)
+  store %S.ast.Node %t311, ptr %a312
+  %t313 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t314 = call ptr @finch_alloc(i64 %t313)
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 0
+  store { ptr, i64, i64 } { ptr @.str.911, i64 1, i64 0 }, ptr %t315
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 1
+  store { ptr, i64, i64 } { ptr @.str.912, i64 2, i64 0 }, ptr %t316
+  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 2
+  store { ptr, i64, i64 } { ptr @.str.913, i64 2, i64 0 }, ptr %t317
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 3
+  store { ptr, i64, i64 } { ptr @.str.914, i64 2, i64 0 }, ptr %t318
+  %t319 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 4
+  store { ptr, i64, i64 } { ptr @.str.915, i64 2, i64 0 }, ptr %t319
+  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 5
+  store { ptr, i64, i64 } { ptr @.str.916, i64 2, i64 0 }, ptr %t320
+  %t321 = insertvalue { ptr, i64, i64 } undef, ptr %t314, 0
+  %t322 = insertvalue { ptr, i64, i64 } %t321, i64 6, 1
+  %t323 = insertvalue { ptr, i64, i64 } %t322, i64 6, 2
   store { ptr, i64, i64 } %t323, ptr %a324
-  store { ptr, i64, i64 } { ptr @.str.913, i64 6, i64 0 }, ptr %a325
-  %t326 = call i32 @finch_str_eq(ptr %a324, ptr %a325)
-  %t327 = icmp eq i32 %t326, 0
-  br label %logic.rend1562
-logic.rend1562:
-  br label %logic.end1561
-logic.end1561:
-  %t328 = phi i1 [ false, %logic.from1559 ], [ %t327, %logic.rend1562 ]
-  br label %logic.from1563
-logic.from1563:
-  br i1 %t328, label %logic.rhs1564, label %logic.end1565
-logic.rhs1564:
-  %t329 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store { ptr, i64, i64 } %t330, ptr %a331
-  store { ptr, i64, i64 } { ptr @.str.914, i64 5, i64 0 }, ptr %a332
-  %t333 = call i32 @finch_str_eq(ptr %a331, ptr %a332)
-  %t334 = icmp eq i32 %t333, 0
-  br label %logic.rend1566
-logic.rend1566:
-  br label %logic.end1565
-logic.end1565:
-  %t335 = phi i1 [ false, %logic.from1563 ], [ %t334, %logic.rend1566 ]
-  br i1 %t335, label %then1567, label %endif1569
-then1567:
-  %t336 = load ptr, ptr %a1
-  %t337 = load %S.lexer.Token, ptr %a279
-  call void @finch.parser.fail(ptr %t336, %S.lexer.Token %t337, { ptr, i64, i64 } { ptr @.str.915, i64 66, i64 0 })
-  br label %endif1569
-endif1569:
-  %t338 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.916, i64 6, i64 0 }, 0
-  %t339 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 2
-  %t340 = load i64, ptr %t339
-  %t341 = insertvalue %S.ast.Node %t338, i64 %t340, 11
-  %t342 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 3
-  %t343 = load i64, ptr %t342
-  %t344 = insertvalue %S.ast.Node %t341, i64 %t343, 12
-  %t345 = load ptr, ptr %a1
-  %t346 = icmp eq ptr %t345, null
-  br i1 %t346, label %panic1570, label %ok1571
-panic1570:
-  call void @finch_panic(ptr @.str.917, i64 536, ptr @.str.918)
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a324, i32 0, i32 1
+  %t326 = load ptr, ptr %a1
+  %t327 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t326)
+  store i64 -1, ptr %a328
+  %t329 = load i64, ptr %t325
+  %t330 = load ptr, ptr %a324
+  store i64 0, ptr %a331
+  br label %find.cond1601
+find.cond1601:
+  %t332 = load i64, ptr %a331
+  %t333 = icmp slt i64 %t332, %t329
+  br i1 %t333, label %find.body1602, label %find.end1605
+find.body1602:
+  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t330, i64 %t332
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t335, ptr %a336
+  store { ptr, i64, i64 } %t327, ptr %a337
+  %t338 = call i32 @finch_str_eq(ptr %a336, ptr %a337)
+  %t339 = icmp ne i32 %t338, 0
+  br i1 %t339, label %find.hit1603, label %find.next1604
+find.hit1603:
+  store i64 %t332, ptr %a328
+  br label %find.end1605
+find.next1604:
+  %t340 = add i64 %t332, 1
+  store i64 %t340, ptr %a331
+  br label %find.cond1601
+find.end1605:
+  store { ptr, i64, i64 } %t327, ptr %a341
+  call void @finch_str_drop(ptr %a341)
+  %t342 = load i64, ptr %a328
+  %t343 = icmp sge i64 %t342, 0
+  br label %logic.from1606
+logic.from1606:
+  br i1 %t343, label %logic.rhs1607, label %logic.end1608
+logic.rhs1607:
+  %t344 = load ptr, ptr %a1
+  %t345 = call i1 @finch.parser.sameLine(ptr %t344)
+  br label %logic.rend1609
+logic.rend1609:
+  br label %logic.end1608
+logic.end1608:
+  %t346 = phi i1 [ false, %logic.from1606 ], [ %t345, %logic.rend1609 ]
+  br i1 %t346, label %then1610, label %endif1612
+then1610:
+  %t347 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t348 = load { ptr, i64, i64 }, ptr %t347
+  store { ptr, i64, i64 } %t348, ptr %a349
+  store { ptr, i64, i64 } { ptr @.str.917, i64 3, i64 0 }, ptr %a350
+  %t351 = call i32 @finch_str_eq(ptr %a349, ptr %a350)
+  %t352 = icmp eq i32 %t351, 0
+  br label %logic.from1613
+logic.from1613:
+  br i1 %t352, label %logic.rhs1614, label %logic.end1615
+logic.rhs1614:
+  %t353 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t354 = load { ptr, i64, i64 }, ptr %t353
+  store { ptr, i64, i64 } %t354, ptr %a355
+  store { ptr, i64, i64 } { ptr @.str.918, i64 6, i64 0 }, ptr %a356
+  %t357 = call i32 @finch_str_eq(ptr %a355, ptr %a356)
+  %t358 = icmp eq i32 %t357, 0
+  br label %logic.rend1616
+logic.rend1616:
+  br label %logic.end1615
+logic.end1615:
+  %t359 = phi i1 [ false, %logic.from1613 ], [ %t358, %logic.rend1616 ]
+  br label %logic.from1617
+logic.from1617:
+  br i1 %t359, label %logic.rhs1618, label %logic.end1619
+logic.rhs1618:
+  %t360 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t361 = load { ptr, i64, i64 }, ptr %t360
+  store { ptr, i64, i64 } %t361, ptr %a362
+  store { ptr, i64, i64 } { ptr @.str.919, i64 5, i64 0 }, ptr %a363
+  %t364 = call i32 @finch_str_eq(ptr %a362, ptr %a363)
+  %t365 = icmp eq i32 %t364, 0
+  br label %logic.rend1620
+logic.rend1620:
+  br label %logic.end1619
+logic.end1619:
+  %t366 = phi i1 [ false, %logic.from1617 ], [ %t365, %logic.rend1620 ]
+  br i1 %t366, label %then1621, label %endif1623
+then1621:
+  %t367 = load ptr, ptr %a1
+  %t368 = load %S.lexer.Token, ptr %a309
+  call void @finch.parser.fail(ptr %t367, %S.lexer.Token %t368, { ptr, i64, i64 } { ptr @.str.920, i64 66, i64 0 })
+  br label %endif1623
+endif1623:
+  %t369 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.921, i64 6, i64 0 }, 0
+  %t370 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 2
+  %t371 = load i64, ptr %t370
+  %t372 = insertvalue %S.ast.Node %t369, i64 %t371, 11
+  %t373 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 3
+  %t374 = load i64, ptr %t373
+  %t375 = insertvalue %S.ast.Node %t372, i64 %t374, 12
+  %t376 = load ptr, ptr %a1
+  %t377 = icmp eq ptr %t376, null
+  br i1 %t377, label %panic1624, label %ok1625
+panic1624:
+  call void @finch_panic(ptr @.str.922, i64 536, ptr @.str.923)
   unreachable
-ok1571:
-  %t347 = getelementptr inbounds %S.parser.Parser, ptr %t345, i32 0, i32 3
-  %t348 = load i64, ptr %t347
-  %t349 = insertvalue %S.ast.Node %t344, i64 %t348, 13
-  store %S.ast.Node %t349, ptr %a350
-  %t351 = load ptr, ptr %a1
-  %t352 = call %S.lexer.Token @finch.parser.next(ptr %t351)
-  %t353 = extractvalue %S.lexer.Token %t352, 0
-  store { ptr, i64, i64 } %t353, ptr %a354
-  call void @finch_str_copy(ptr %a355, ptr %a354)
-  %t356 = load { ptr, i64, i64 }, ptr %a355
-  %t357 = getelementptr inbounds %S.ast.Node, ptr %a350, i32 0, i32 1
-  store { ptr, i64, i64 } %t356, ptr %t357
-  %t358 = getelementptr inbounds %S.ast.Node, ptr %a350, i32 0, i32 9
-  %t359 = getelementptr inbounds { ptr, i64, i64 }, ptr %t358, i32 0, i32 1
-  %t360 = load %S.ast.Node, ptr %a282
-  store %S.ast.Node %t360, ptr %a361
-  call void @finch.copy.S_ast_Node(ptr %a362, ptr %a361)
-  %t363 = load %S.ast.Node, ptr %a362
-  %t364 = load i64, ptr %t359
-  %t365 = add i64 %t364, 1
-  call void @finch_arr_reserve(ptr %t358, i64 %t365, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t366 = load ptr, ptr %t358
-  %t367 = getelementptr inbounds %S.ast.Node, ptr %t366, i64 %t364
-  store %S.ast.Node %t363, ptr %t367
-  store i64 %t365, ptr %t359
-  %t368 = getelementptr inbounds %S.ast.Node, ptr %a350, i32 0, i32 9
-  %t369 = getelementptr inbounds { ptr, i64, i64 }, ptr %t368, i32 0, i32 1
-  %t370 = load ptr, ptr %a1
-  %t371 = call %S.ast.Node @finch.parser.parseExpr(ptr %t370)
-  %t372 = load i64, ptr %t369
-  %t373 = add i64 %t372, 1
-  call void @finch_arr_reserve(ptr %t368, i64 %t373, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t374 = load ptr, ptr %t368
-  %t375 = getelementptr inbounds %S.ast.Node, ptr %t374, i64 %t372
-  store %S.ast.Node %t371, ptr %t375
-  store i64 %t373, ptr %t369
-  %t376 = load %S.ast.Node, ptr %a350
-  ret %S.ast.Node %t376
-endif1558:
-  %t377 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t378 = load { ptr, i64, i64 }, ptr %t377
-  store { ptr, i64, i64 } %t378, ptr %a379
-  store { ptr, i64, i64 } { ptr @.str.919, i64 4, i64 0 }, ptr %a380
-  %t381 = call i32 @finch_str_eq(ptr %a379, ptr %a380)
-  %t382 = icmp eq i32 %t381, 0
-  br label %logic.from1572
-logic.from1572:
-  br i1 %t382, label %logic.rhs1573, label %logic.end1574
-logic.rhs1573:
-  %t383 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t384 = load { ptr, i64, i64 }, ptr %t383
+ok1625:
+  %t378 = getelementptr inbounds %S.parser.Parser, ptr %t376, i32 0, i32 3
+  %t379 = load i64, ptr %t378
+  %t380 = insertvalue %S.ast.Node %t375, i64 %t379, 13
+  store %S.ast.Node %t380, ptr %a381
+  %t382 = load ptr, ptr %a1
+  %t383 = call %S.lexer.Token @finch.parser.next(ptr %t382)
+  %t384 = extractvalue %S.lexer.Token %t383, 0
   store { ptr, i64, i64 } %t384, ptr %a385
-  store { ptr, i64, i64 } { ptr @.str.920, i64 6, i64 0 }, ptr %a386
-  %t387 = call i32 @finch_str_eq(ptr %a385, ptr %a386)
-  %t388 = icmp eq i32 %t387, 0
-  br label %logic.rend1575
-logic.rend1575:
-  br label %logic.end1574
-logic.end1574:
-  %t389 = phi i1 [ false, %logic.from1572 ], [ %t388, %logic.rend1575 ]
-  br label %logic.from1576
-logic.from1576:
-  br i1 %t389, label %logic.rhs1577, label %logic.end1578
-logic.rhs1577:
-  %t390 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t391 = load { ptr, i64, i64 }, ptr %t390
-  store { ptr, i64, i64 } %t391, ptr %a392
-  store { ptr, i64, i64 } { ptr @.str.921, i64 3, i64 0 }, ptr %a393
-  %t394 = call i32 @finch_str_eq(ptr %a392, ptr %a393)
-  %t395 = icmp eq i32 %t394, 0
-  br label %logic.rend1579
-logic.rend1579:
-  br label %logic.end1578
-logic.end1578:
-  %t396 = phi i1 [ false, %logic.from1576 ], [ %t395, %logic.rend1579 ]
-  br label %logic.from1580
-logic.from1580:
-  br i1 %t396, label %logic.rhs1581, label %logic.end1582
-logic.rhs1581:
-  %t397 = getelementptr inbounds %S.ast.Node, ptr %a282, i32 0, i32 0
-  %t398 = load { ptr, i64, i64 }, ptr %t397
-  store { ptr, i64, i64 } %t398, ptr %a399
-  store { ptr, i64, i64 } { ptr @.str.922, i64 2, i64 0 }, ptr %a400
-  %t401 = call i32 @finch_str_eq(ptr %a399, ptr %a400)
-  %t402 = icmp eq i32 %t401, 0
-  br label %logic.rend1583
-logic.rend1583:
-  br label %logic.end1582
-logic.end1582:
-  %t403 = phi i1 [ false, %logic.from1580 ], [ %t402, %logic.rend1583 ]
-  br i1 %t403, label %then1584, label %endif1586
-then1584:
+  call void @finch_str_copy(ptr %a386, ptr %a385)
+  %t387 = load { ptr, i64, i64 }, ptr %a386
+  store %S.lexer.Token %t383, ptr %a388
+  call void @finch.drop.S_lexer_Token(ptr %a388)
+  %t389 = getelementptr inbounds %S.ast.Node, ptr %a381, i32 0, i32 1
+  %t390 = load { ptr, i64, i64 }, ptr %t389
+  store { ptr, i64, i64 } %t387, ptr %t389
+  store { ptr, i64, i64 } %t390, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = getelementptr inbounds %S.ast.Node, ptr %a381, i32 0, i32 9
+  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t392, i32 0, i32 1
+  %t394 = load %S.ast.Node, ptr %a312
+  store %S.ast.Node %t394, ptr %a395
+  call void @finch.copy.S_ast_Node(ptr %a396, ptr %a395)
+  %t397 = load %S.ast.Node, ptr %a396
+  %t398 = load i64, ptr %t393
+  %t399 = add i64 %t398, 1
+  call void @finch_arr_reserve(ptr %t392, i64 %t399, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t400 = load ptr, ptr %t392
+  %t401 = getelementptr inbounds %S.ast.Node, ptr %t400, i64 %t398
+  store %S.ast.Node %t397, ptr %t401
+  store i64 %t399, ptr %t393
+  %t402 = getelementptr inbounds %S.ast.Node, ptr %a381, i32 0, i32 9
+  %t403 = getelementptr inbounds { ptr, i64, i64 }, ptr %t402, i32 0, i32 1
   %t404 = load ptr, ptr %a1
-  %t405 = load %S.lexer.Token, ptr %a279
-  call void @finch.parser.fail(ptr %t404, %S.lexer.Token %t405, { ptr, i64, i64 } { ptr @.str.923, i64 37, i64 0 })
-  br label %endif1586
-endif1586:
-  %t406 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.924, i64 4, i64 0 }, 0
-  %t407 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 2
-  %t408 = load i64, ptr %t407
-  %t409 = insertvalue %S.ast.Node %t406, i64 %t408, 11
-  %t410 = getelementptr inbounds %S.lexer.Token, ptr %a279, i32 0, i32 3
-  %t411 = load i64, ptr %t410
-  %t412 = insertvalue %S.ast.Node %t409, i64 %t411, 12
-  %t413 = load ptr, ptr %a1
-  %t414 = icmp eq ptr %t413, null
-  br i1 %t414, label %panic1587, label %ok1588
-panic1587:
-  call void @finch_panic(ptr @.str.925, i64 545, ptr @.str.926)
+  %t405 = call %S.ast.Node @finch.parser.parseExpr(ptr %t404)
+  %t406 = load i64, ptr %t403
+  %t407 = add i64 %t406, 1
+  call void @finch_arr_reserve(ptr %t402, i64 %t407, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t408 = load ptr, ptr %t402
+  %t409 = getelementptr inbounds %S.ast.Node, ptr %t408, i64 %t406
+  store %S.ast.Node %t405, ptr %t409
+  store i64 %t407, ptr %t403
+  %t410 = load %S.ast.Node, ptr %a381
+  call void @finch.drop.arr_str(ptr %a324)
+  call void @finch.drop.S_ast_Node(ptr %a312)
+  call void @finch.drop.S_lexer_Token(ptr %a309)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t410
+endif1612:
+  %t411 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t412 = load { ptr, i64, i64 }, ptr %t411
+  store { ptr, i64, i64 } %t412, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.924, i64 4, i64 0 }, ptr %a414
+  %t415 = call i32 @finch_str_eq(ptr %a413, ptr %a414)
+  %t416 = icmp eq i32 %t415, 0
+  br label %logic.from1626
+logic.from1626:
+  br i1 %t416, label %logic.rhs1627, label %logic.end1628
+logic.rhs1627:
+  %t417 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t418 = load { ptr, i64, i64 }, ptr %t417
+  store { ptr, i64, i64 } %t418, ptr %a419
+  store { ptr, i64, i64 } { ptr @.str.925, i64 6, i64 0 }, ptr %a420
+  %t421 = call i32 @finch_str_eq(ptr %a419, ptr %a420)
+  %t422 = icmp eq i32 %t421, 0
+  br label %logic.rend1629
+logic.rend1629:
+  br label %logic.end1628
+logic.end1628:
+  %t423 = phi i1 [ false, %logic.from1626 ], [ %t422, %logic.rend1629 ]
+  br label %logic.from1630
+logic.from1630:
+  br i1 %t423, label %logic.rhs1631, label %logic.end1632
+logic.rhs1631:
+  %t424 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t425 = load { ptr, i64, i64 }, ptr %t424
+  store { ptr, i64, i64 } %t425, ptr %a426
+  store { ptr, i64, i64 } { ptr @.str.926, i64 3, i64 0 }, ptr %a427
+  %t428 = call i32 @finch_str_eq(ptr %a426, ptr %a427)
+  %t429 = icmp eq i32 %t428, 0
+  br label %logic.rend1633
+logic.rend1633:
+  br label %logic.end1632
+logic.end1632:
+  %t430 = phi i1 [ false, %logic.from1630 ], [ %t429, %logic.rend1633 ]
+  br label %logic.from1634
+logic.from1634:
+  br i1 %t430, label %logic.rhs1635, label %logic.end1636
+logic.rhs1635:
+  %t431 = getelementptr inbounds %S.ast.Node, ptr %a312, i32 0, i32 0
+  %t432 = load { ptr, i64, i64 }, ptr %t431
+  store { ptr, i64, i64 } %t432, ptr %a433
+  store { ptr, i64, i64 } { ptr @.str.927, i64 2, i64 0 }, ptr %a434
+  %t435 = call i32 @finch_str_eq(ptr %a433, ptr %a434)
+  %t436 = icmp eq i32 %t435, 0
+  br label %logic.rend1637
+logic.rend1637:
+  br label %logic.end1636
+logic.end1636:
+  %t437 = phi i1 [ false, %logic.from1634 ], [ %t436, %logic.rend1637 ]
+  br i1 %t437, label %then1638, label %endif1640
+then1638:
+  %t438 = load ptr, ptr %a1
+  %t439 = load %S.lexer.Token, ptr %a309
+  call void @finch.parser.fail(ptr %t438, %S.lexer.Token %t439, { ptr, i64, i64 } { ptr @.str.928, i64 37, i64 0 })
+  br label %endif1640
+endif1640:
+  %t440 = insertvalue %S.ast.Node zeroinitializer, { ptr, i64, i64 } { ptr @.str.929, i64 4, i64 0 }, 0
+  %t441 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 2
+  %t442 = load i64, ptr %t441
+  %t443 = insertvalue %S.ast.Node %t440, i64 %t442, 11
+  %t444 = getelementptr inbounds %S.lexer.Token, ptr %a309, i32 0, i32 3
+  %t445 = load i64, ptr %t444
+  %t446 = insertvalue %S.ast.Node %t443, i64 %t445, 12
+  %t447 = load ptr, ptr %a1
+  %t448 = icmp eq ptr %t447, null
+  br i1 %t448, label %panic1641, label %ok1642
+panic1641:
+  call void @finch_panic(ptr @.str.930, i64 545, ptr @.str.931)
   unreachable
-ok1588:
-  %t415 = getelementptr inbounds %S.parser.Parser, ptr %t413, i32 0, i32 3
-  %t416 = load i64, ptr %t415
-  %t417 = insertvalue %S.ast.Node %t412, i64 %t416, 13
-  store %S.ast.Node %t417, ptr %a418
-  %t419 = getelementptr inbounds %S.ast.Node, ptr %a418, i32 0, i32 9
-  %t420 = getelementptr inbounds { ptr, i64, i64 }, ptr %t419, i32 0, i32 1
-  %t421 = load %S.ast.Node, ptr %a282
-  store %S.ast.Node %t421, ptr %a422
-  call void @finch.copy.S_ast_Node(ptr %a423, ptr %a422)
-  %t424 = load %S.ast.Node, ptr %a423
-  %t425 = load i64, ptr %t420
-  %t426 = add i64 %t425, 1
-  call void @finch_arr_reserve(ptr %t419, i64 %t426, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t427 = load ptr, ptr %t419
-  %t428 = getelementptr inbounds %S.ast.Node, ptr %t427, i64 %t425
-  store %S.ast.Node %t424, ptr %t428
-  store i64 %t426, ptr %t420
-  %t429 = load %S.ast.Node, ptr %a418
-  store %S.ast.Node %t429, ptr %a430
-  call void @finch.copy.S_ast_Node(ptr %a431, ptr %a430)
-  %t432 = load %S.ast.Node, ptr %a431
-  ret %S.ast.Node %t432
+ok1642:
+  %t449 = getelementptr inbounds %S.parser.Parser, ptr %t447, i32 0, i32 3
+  %t450 = load i64, ptr %t449
+  %t451 = insertvalue %S.ast.Node %t446, i64 %t450, 13
+  store %S.ast.Node %t451, ptr %a452
+  %t453 = getelementptr inbounds %S.ast.Node, ptr %a452, i32 0, i32 9
+  %t454 = getelementptr inbounds { ptr, i64, i64 }, ptr %t453, i32 0, i32 1
+  %t455 = load %S.ast.Node, ptr %a312
+  store %S.ast.Node %t455, ptr %a456
+  call void @finch.copy.S_ast_Node(ptr %a457, ptr %a456)
+  %t458 = load %S.ast.Node, ptr %a457
+  %t459 = load i64, ptr %t454
+  %t460 = add i64 %t459, 1
+  call void @finch_arr_reserve(ptr %t453, i64 %t460, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t461 = load ptr, ptr %t453
+  %t462 = getelementptr inbounds %S.ast.Node, ptr %t461, i64 %t459
+  store %S.ast.Node %t458, ptr %t462
+  store i64 %t460, ptr %t454
+  %t463 = load %S.ast.Node, ptr %a452
+  call void @finch.drop.arr_str(ptr %a324)
+  call void @finch.drop.S_ast_Node(ptr %a312)
+  call void @finch.drop.S_lexer_Token(ptr %a309)
+  call void @finch_str_drop(ptr %a4)
+  ret %S.ast.Node %t463
 }
 
 define internal %S.ast.Node @finch.parser.parseIf(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a44 = alloca %S.ast.Node, align 16
-  %a45 = alloca %S.ast.Node, align 16
+  %a7 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.927, i64 2, i64 0 })
+  %t3 = call %S.ast.Node @finch.parser.node(ptr %t2, { ptr, i64, i64 } { ptr @.str.932, i64 2, i64 0 })
   store %S.ast.Node %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.928, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.929, i64 4, i64 0 })
-  %t7 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i32 0, i32 1
-  %t9 = load ptr, ptr %a1
-  %t10 = call %S.ast.Node @finch.parser.parseExpr(ptr %t9)
-  %t11 = load i64, ptr %t8
-  %t12 = add i64 %t11, 1
-  call void @finch_arr_reserve(ptr %t7, i64 %t12, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t13 = load ptr, ptr %t7
-  %t14 = getelementptr inbounds %S.ast.Node, ptr %t13, i64 %t11
-  store %S.ast.Node %t10, ptr %t14
-  store i64 %t12, ptr %t8
-  %t15 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i32 0, i32 1
-  %t17 = load ptr, ptr %a1
-  %t18 = call %S.ast.Node @finch.parser.parseBlock(ptr %t17)
-  %t19 = load i64, ptr %t16
-  %t20 = add i64 %t19, 1
-  call void @finch_arr_reserve(ptr %t15, i64 %t20, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t21 = load ptr, ptr %t15
-  %t22 = getelementptr inbounds %S.ast.Node, ptr %t21, i64 %t19
-  store %S.ast.Node %t18, ptr %t22
-  store i64 %t20, ptr %t16
-  %t23 = load ptr, ptr %a1
-  %t24 = call i1 @finch.parser.accept(ptr %t23, { ptr, i64, i64 } { ptr @.str.930, i64 4, i64 0 })
-  br i1 %t24, label %then1589, label %endif1591
-then1589:
-  %t25 = load ptr, ptr %a1
-  %t26 = call i1 @finch.parser.at(ptr %t25, { ptr, i64, i64 } { ptr @.str.931, i64 2, i64 0 })
-  br i1 %t26, label %then1592, label %else1593
-then1592:
-  %t27 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i32 0, i32 1
-  %t29 = load ptr, ptr %a1
-  %t30 = call %S.ast.Node @finch.parser.parseIf(ptr %t29)
-  %t31 = load i64, ptr %t28
-  %t32 = add i64 %t31, 1
-  call void @finch_arr_reserve(ptr %t27, i64 %t32, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t33 = load ptr, ptr %t27
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 %t31
-  store %S.ast.Node %t30, ptr %t34
-  store i64 %t32, ptr %t28
-  br label %endif1594
-else1593:
-  %t35 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
-  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i32 0, i32 1
-  %t37 = load ptr, ptr %a1
-  %t38 = call %S.ast.Node @finch.parser.parseBlock(ptr %t37)
-  %t39 = load i64, ptr %t36
-  %t40 = add i64 %t39, 1
-  call void @finch_arr_reserve(ptr %t35, i64 %t40, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t41 = load ptr, ptr %t35
-  %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i64 %t39
-  store %S.ast.Node %t38, ptr %t42
-  store i64 %t40, ptr %t36
-  br label %endif1594
-endif1594:
-  br label %endif1591
-endif1591:
-  %t43 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t43, ptr %a44
-  call void @finch.copy.S_ast_Node(ptr %a45, ptr %a44)
-  %t46 = load %S.ast.Node, ptr %a45
-  ret %S.ast.Node %t46
+  %t6 = call %S.lexer.Token @finch.parser.expect(ptr %t5, { ptr, i64, i64 } { ptr @.str.933, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.934, i64 4, i64 0 })
+  store %S.lexer.Token %t6, ptr %a7
+  call void @finch.drop.S_lexer_Token(ptr %a7)
+  %t8 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
+  %t10 = load ptr, ptr %a1
+  %t11 = call %S.ast.Node @finch.parser.parseExpr(ptr %t10)
+  %t12 = load i64, ptr %t9
+  %t13 = add i64 %t12, 1
+  call void @finch_arr_reserve(ptr %t8, i64 %t13, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t14 = load ptr, ptr %t8
+  %t15 = getelementptr inbounds %S.ast.Node, ptr %t14, i64 %t12
+  store %S.ast.Node %t11, ptr %t15
+  store i64 %t13, ptr %t9
+  %t16 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
+  %t18 = load ptr, ptr %a1
+  %t19 = call %S.ast.Node @finch.parser.parseBlock(ptr %t18)
+  %t20 = load i64, ptr %t17
+  %t21 = add i64 %t20, 1
+  call void @finch_arr_reserve(ptr %t16, i64 %t21, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t22 = load ptr, ptr %t16
+  %t23 = getelementptr inbounds %S.ast.Node, ptr %t22, i64 %t20
+  store %S.ast.Node %t19, ptr %t23
+  store i64 %t21, ptr %t17
+  %t24 = load ptr, ptr %a1
+  %t25 = call i1 @finch.parser.accept(ptr %t24, { ptr, i64, i64 } { ptr @.str.935, i64 4, i64 0 })
+  br i1 %t25, label %then1643, label %endif1645
+then1643:
+  %t26 = load ptr, ptr %a1
+  %t27 = call i1 @finch.parser.at(ptr %t26, { ptr, i64, i64 } { ptr @.str.936, i64 2, i64 0 })
+  br i1 %t27, label %then1646, label %else1647
+then1646:
+  %t28 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i32 0, i32 1
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.ast.Node @finch.parser.parseIf(ptr %t30)
+  %t32 = load i64, ptr %t29
+  %t33 = add i64 %t32, 1
+  call void @finch_arr_reserve(ptr %t28, i64 %t33, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t34 = load ptr, ptr %t28
+  %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 %t32
+  store %S.ast.Node %t31, ptr %t35
+  store i64 %t33, ptr %t29
+  br label %endif1648
+else1647:
+  %t36 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 9
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
+  %t38 = load ptr, ptr %a1
+  %t39 = call %S.ast.Node @finch.parser.parseBlock(ptr %t38)
+  %t40 = load i64, ptr %t37
+  %t41 = add i64 %t40, 1
+  call void @finch_arr_reserve(ptr %t36, i64 %t41, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t42 = load ptr, ptr %t36
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t40
+  store %S.ast.Node %t39, ptr %t43
+  store i64 %t41, ptr %t37
+  br label %endif1648
+endif1648:
+  br label %endif1645
+endif1645:
+  %t44 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t44
 }
 
 define internal i64 @finch.parser.binaryLevel({ ptr, i64, i64 } %p0) {
@@ -17549,231 +19538,231 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.932, i64 2, i64 0 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.937, i64 2, i64 0 }, ptr %a4
   %t5 = call i32 @finch_str_eq(ptr %a3, ptr %a4)
   %t6 = icmp ne i32 %t5, 0
-  br i1 %t6, label %then1595, label %endif1597
-then1595:
+  br i1 %t6, label %then1649, label %endif1651
+then1649:
   ret i64 1
-endif1597:
+endif1651:
   %t7 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.933, i64 2, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.938, i64 2, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then1598, label %endif1600
-then1598:
+  br i1 %t11, label %then1652, label %endif1654
+then1652:
   ret i64 2
-endif1600:
+endif1654:
   %t12 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.934, i64 2, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.939, i64 2, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from1601
-logic.from1601:
-  br i1 %t16, label %logic.end1603, label %logic.rhs1602
-logic.rhs1602:
-  %t17 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.935, i64 2, i64 0 }, ptr %a19
-  %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
-  %t21 = icmp ne i32 %t20, 0
-  br label %logic.rend1604
-logic.rend1604:
-  br label %logic.end1603
-logic.end1603:
-  %t22 = phi i1 [ true, %logic.from1601 ], [ %t21, %logic.rend1604 ]
-  br label %logic.from1605
-logic.from1605:
-  br i1 %t22, label %logic.end1607, label %logic.rhs1606
-logic.rhs1606:
-  %t23 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t23, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.936, i64 1, i64 0 }, ptr %a25
-  %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
-  %t27 = icmp ne i32 %t26, 0
-  br label %logic.rend1608
-logic.rend1608:
-  br label %logic.end1607
-logic.end1607:
-  %t28 = phi i1 [ true, %logic.from1605 ], [ %t27, %logic.rend1608 ]
-  br label %logic.from1609
-logic.from1609:
-  br i1 %t28, label %logic.end1611, label %logic.rhs1610
-logic.rhs1610:
-  %t29 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t29, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.937, i64 2, i64 0 }, ptr %a31
-  %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
-  %t33 = icmp ne i32 %t32, 0
-  br label %logic.rend1612
-logic.rend1612:
-  br label %logic.end1611
-logic.end1611:
-  %t34 = phi i1 [ true, %logic.from1609 ], [ %t33, %logic.rend1612 ]
-  br label %logic.from1613
-logic.from1613:
-  br i1 %t34, label %logic.end1615, label %logic.rhs1614
-logic.rhs1614:
-  %t35 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.938, i64 1, i64 0 }, ptr %a37
-  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
-  %t39 = icmp ne i32 %t38, 0
-  br label %logic.rend1616
-logic.rend1616:
-  br label %logic.end1615
-logic.end1615:
-  %t40 = phi i1 [ true, %logic.from1613 ], [ %t39, %logic.rend1616 ]
-  br label %logic.from1617
-logic.from1617:
-  br i1 %t40, label %logic.end1619, label %logic.rhs1618
-logic.rhs1618:
-  %t41 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.939, i64 2, i64 0 }, ptr %a43
-  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
-  %t45 = icmp ne i32 %t44, 0
-  br label %logic.rend1620
-logic.rend1620:
-  br label %logic.end1619
-logic.end1619:
-  %t46 = phi i1 [ true, %logic.from1617 ], [ %t45, %logic.rend1620 ]
-  br i1 %t46, label %then1621, label %endif1623
-then1621:
-  ret i64 3
-endif1623:
-  %t47 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.940, i64 1, i64 0 }, ptr %a49
-  %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
-  %t51 = icmp ne i32 %t50, 0
-  br label %logic.from1624
-logic.from1624:
-  br i1 %t51, label %logic.end1626, label %logic.rhs1625
-logic.rhs1625:
-  %t52 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.941, i64 1, i64 0 }, ptr %a54
-  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
-  %t56 = icmp ne i32 %t55, 0
-  br label %logic.rend1627
-logic.rend1627:
-  br label %logic.end1626
-logic.end1626:
-  %t57 = phi i1 [ true, %logic.from1624 ], [ %t56, %logic.rend1627 ]
-  br label %logic.from1628
-logic.from1628:
-  br i1 %t57, label %logic.end1630, label %logic.rhs1629
-logic.rhs1629:
-  %t58 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t58, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.942, i64 1, i64 0 }, ptr %a60
-  %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
-  %t62 = icmp ne i32 %t61, 0
-  br label %logic.rend1631
-logic.rend1631:
-  br label %logic.end1630
-logic.end1630:
-  %t63 = phi i1 [ true, %logic.from1628 ], [ %t62, %logic.rend1631 ]
-  br label %logic.from1632
-logic.from1632:
-  br i1 %t63, label %logic.end1634, label %logic.rhs1633
-logic.rhs1633:
-  %t64 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t64, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.943, i64 1, i64 0 }, ptr %a66
-  %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
-  %t68 = icmp ne i32 %t67, 0
-  br label %logic.rend1635
-logic.rend1635:
-  br label %logic.end1634
-logic.end1634:
-  %t69 = phi i1 [ true, %logic.from1632 ], [ %t68, %logic.rend1635 ]
-  br i1 %t69, label %then1636, label %endif1638
-then1636:
-  ret i64 4
-endif1638:
-  %t70 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t70, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.944, i64 1, i64 0 }, ptr %a72
-  %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
-  %t74 = icmp ne i32 %t73, 0
-  br label %logic.from1639
-logic.from1639:
-  br i1 %t74, label %logic.end1641, label %logic.rhs1640
-logic.rhs1640:
-  %t75 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.945, i64 1, i64 0 }, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br label %logic.rend1642
-logic.rend1642:
-  br label %logic.end1641
-logic.end1641:
-  %t80 = phi i1 [ true, %logic.from1639 ], [ %t79, %logic.rend1642 ]
-  br label %logic.from1643
-logic.from1643:
-  br i1 %t80, label %logic.end1645, label %logic.rhs1644
-logic.rhs1644:
-  %t81 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t81, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.946, i64 1, i64 0 }, ptr %a83
-  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
-  %t85 = icmp ne i32 %t84, 0
-  br label %logic.rend1646
-logic.rend1646:
-  br label %logic.end1645
-logic.end1645:
-  %t86 = phi i1 [ true, %logic.from1643 ], [ %t85, %logic.rend1646 ]
-  br label %logic.from1647
-logic.from1647:
-  br i1 %t86, label %logic.end1649, label %logic.rhs1648
-logic.rhs1648:
-  %t87 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.947, i64 2, i64 0 }, ptr %a89
-  %t90 = call i32 @finch_str_eq(ptr %a88, ptr %a89)
-  %t91 = icmp ne i32 %t90, 0
-  br label %logic.rend1650
-logic.rend1650:
-  br label %logic.end1649
-logic.end1649:
-  %t92 = phi i1 [ true, %logic.from1647 ], [ %t91, %logic.rend1650 ]
-  br label %logic.from1651
-logic.from1651:
-  br i1 %t92, label %logic.end1653, label %logic.rhs1652
-logic.rhs1652:
-  %t93 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t93, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.948, i64 2, i64 0 }, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.rend1654
-logic.rend1654:
-  br label %logic.end1653
-logic.end1653:
-  %t98 = phi i1 [ true, %logic.from1651 ], [ %t97, %logic.rend1654 ]
   br label %logic.from1655
 logic.from1655:
-  br i1 %t98, label %logic.end1657, label %logic.rhs1656
+  br i1 %t16, label %logic.end1657, label %logic.rhs1656
 logic.rhs1656:
-  %t99 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t99, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.949, i64 1, i64 0 }, ptr %a101
-  %t102 = call i32 @finch_str_eq(ptr %a100, ptr %a101)
-  %t103 = icmp ne i32 %t102, 0
+  %t17 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t17, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.940, i64 2, i64 0 }, ptr %a19
+  %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
+  %t21 = icmp ne i32 %t20, 0
   br label %logic.rend1658
 logic.rend1658:
   br label %logic.end1657
 logic.end1657:
-  %t104 = phi i1 [ true, %logic.from1655 ], [ %t103, %logic.rend1658 ]
-  br i1 %t104, label %then1659, label %endif1661
-then1659:
+  %t22 = phi i1 [ true, %logic.from1655 ], [ %t21, %logic.rend1658 ]
+  br label %logic.from1659
+logic.from1659:
+  br i1 %t22, label %logic.end1661, label %logic.rhs1660
+logic.rhs1660:
+  %t23 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t23, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.941, i64 1, i64 0 }, ptr %a25
+  %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
+  %t27 = icmp ne i32 %t26, 0
+  br label %logic.rend1662
+logic.rend1662:
+  br label %logic.end1661
+logic.end1661:
+  %t28 = phi i1 [ true, %logic.from1659 ], [ %t27, %logic.rend1662 ]
+  br label %logic.from1663
+logic.from1663:
+  br i1 %t28, label %logic.end1665, label %logic.rhs1664
+logic.rhs1664:
+  %t29 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t29, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.942, i64 2, i64 0 }, ptr %a31
+  %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
+  %t33 = icmp ne i32 %t32, 0
+  br label %logic.rend1666
+logic.rend1666:
+  br label %logic.end1665
+logic.end1665:
+  %t34 = phi i1 [ true, %logic.from1663 ], [ %t33, %logic.rend1666 ]
+  br label %logic.from1667
+logic.from1667:
+  br i1 %t34, label %logic.end1669, label %logic.rhs1668
+logic.rhs1668:
+  %t35 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.943, i64 1, i64 0 }, ptr %a37
+  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
+  %t39 = icmp ne i32 %t38, 0
+  br label %logic.rend1670
+logic.rend1670:
+  br label %logic.end1669
+logic.end1669:
+  %t40 = phi i1 [ true, %logic.from1667 ], [ %t39, %logic.rend1670 ]
+  br label %logic.from1671
+logic.from1671:
+  br i1 %t40, label %logic.end1673, label %logic.rhs1672
+logic.rhs1672:
+  %t41 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.944, i64 2, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.rend1674
+logic.rend1674:
+  br label %logic.end1673
+logic.end1673:
+  %t46 = phi i1 [ true, %logic.from1671 ], [ %t45, %logic.rend1674 ]
+  br i1 %t46, label %then1675, label %endif1677
+then1675:
+  ret i64 3
+endif1677:
+  %t47 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t47, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.945, i64 1, i64 0 }, ptr %a49
+  %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
+  %t51 = icmp ne i32 %t50, 0
+  br label %logic.from1678
+logic.from1678:
+  br i1 %t51, label %logic.end1680, label %logic.rhs1679
+logic.rhs1679:
+  %t52 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t52, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.946, i64 1, i64 0 }, ptr %a54
+  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br label %logic.rend1681
+logic.rend1681:
+  br label %logic.end1680
+logic.end1680:
+  %t57 = phi i1 [ true, %logic.from1678 ], [ %t56, %logic.rend1681 ]
+  br label %logic.from1682
+logic.from1682:
+  br i1 %t57, label %logic.end1684, label %logic.rhs1683
+logic.rhs1683:
+  %t58 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t58, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.947, i64 1, i64 0 }, ptr %a60
+  %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
+  %t62 = icmp ne i32 %t61, 0
+  br label %logic.rend1685
+logic.rend1685:
+  br label %logic.end1684
+logic.end1684:
+  %t63 = phi i1 [ true, %logic.from1682 ], [ %t62, %logic.rend1685 ]
+  br label %logic.from1686
+logic.from1686:
+  br i1 %t63, label %logic.end1688, label %logic.rhs1687
+logic.rhs1687:
+  %t64 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t64, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.948, i64 1, i64 0 }, ptr %a66
+  %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
+  %t68 = icmp ne i32 %t67, 0
+  br label %logic.rend1689
+logic.rend1689:
+  br label %logic.end1688
+logic.end1688:
+  %t69 = phi i1 [ true, %logic.from1686 ], [ %t68, %logic.rend1689 ]
+  br i1 %t69, label %then1690, label %endif1692
+then1690:
+  ret i64 4
+endif1692:
+  %t70 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t70, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.949, i64 1, i64 0 }, ptr %a72
+  %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
+  %t74 = icmp ne i32 %t73, 0
+  br label %logic.from1693
+logic.from1693:
+  br i1 %t74, label %logic.end1695, label %logic.rhs1694
+logic.rhs1694:
+  %t75 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t75, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.950, i64 1, i64 0 }, ptr %a77
+  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
+  %t79 = icmp ne i32 %t78, 0
+  br label %logic.rend1696
+logic.rend1696:
+  br label %logic.end1695
+logic.end1695:
+  %t80 = phi i1 [ true, %logic.from1693 ], [ %t79, %logic.rend1696 ]
+  br label %logic.from1697
+logic.from1697:
+  br i1 %t80, label %logic.end1699, label %logic.rhs1698
+logic.rhs1698:
+  %t81 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.951, i64 1, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br label %logic.rend1700
+logic.rend1700:
+  br label %logic.end1699
+logic.end1699:
+  %t86 = phi i1 [ true, %logic.from1697 ], [ %t85, %logic.rend1700 ]
+  br label %logic.from1701
+logic.from1701:
+  br i1 %t86, label %logic.end1703, label %logic.rhs1702
+logic.rhs1702:
+  %t87 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t87, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.952, i64 2, i64 0 }, ptr %a89
+  %t90 = call i32 @finch_str_eq(ptr %a88, ptr %a89)
+  %t91 = icmp ne i32 %t90, 0
+  br label %logic.rend1704
+logic.rend1704:
+  br label %logic.end1703
+logic.end1703:
+  %t92 = phi i1 [ true, %logic.from1701 ], [ %t91, %logic.rend1704 ]
+  br label %logic.from1705
+logic.from1705:
+  br i1 %t92, label %logic.end1707, label %logic.rhs1706
+logic.rhs1706:
+  %t93 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t93, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.953, i64 2, i64 0 }, ptr %a95
+  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
+  %t97 = icmp ne i32 %t96, 0
+  br label %logic.rend1708
+logic.rend1708:
+  br label %logic.end1707
+logic.end1707:
+  %t98 = phi i1 [ true, %logic.from1705 ], [ %t97, %logic.rend1708 ]
+  br label %logic.from1709
+logic.from1709:
+  br i1 %t98, label %logic.end1711, label %logic.rhs1710
+logic.rhs1710:
+  %t99 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t99, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.954, i64 1, i64 0 }, ptr %a101
+  %t102 = call i32 @finch_str_eq(ptr %a100, ptr %a101)
+  %t103 = icmp ne i32 %t102, 0
+  br label %logic.rend1712
+logic.rend1712:
+  br label %logic.end1711
+logic.end1711:
+  %t104 = phi i1 [ true, %logic.from1709 ], [ %t103, %logic.rend1712 ]
+  br i1 %t104, label %then1713, label %endif1715
+then1713:
   ret i64 5
-endif1661:
+endif1715:
   ret i64 0
 }
 
@@ -17781,13 +19770,10 @@ define internal %S.ast.Node @finch.parser.parseExpr(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
-  %a13 = alloca %S.ast.Node, align 16
-  %a14 = alloca %S.ast.Node, align 16
-  %a18 = alloca %S.ast.Node, align 16
-  %a24 = alloca %S.ast.Node, align 16
-  %a25 = alloca %S.ast.Node, align 16
-  %a51 = alloca %S.ast.Node, align 16
-  %a52 = alloca %S.ast.Node, align 16
+  %a15 = alloca %S.ast.Node, align 16
+  %a18 = alloca %S.lexer.Token, align 16
+  %a22 = alloca %S.ast.Node, align 16
+  %a23 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call %S.ast.Node @finch.parser.parseBinary(ptr %t2, i64 1)
@@ -17795,81 +19781,78 @@ entry:
   %t5 = load ptr, ptr %a1
   %t6 = call i1 @finch.parser.sameLine(ptr %t5)
   %t7 = xor i1 %t6, true
-  br label %logic.from1662
-logic.from1662:
-  br i1 %t7, label %logic.end1664, label %logic.rhs1663
-logic.rhs1663:
+  br label %logic.from1716
+logic.from1716:
+  br i1 %t7, label %logic.end1718, label %logic.rhs1717
+logic.rhs1717:
   %t8 = load ptr, ptr %a1
-  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.950, i64 2, i64 0 })
+  %t9 = call i1 @finch.parser.at(ptr %t8, { ptr, i64, i64 } { ptr @.str.955, i64 2, i64 0 })
   %t10 = xor i1 %t9, true
-  br label %logic.rend1665
-logic.rend1665:
-  br label %logic.end1664
-logic.end1664:
-  %t11 = phi i1 [ true, %logic.from1662 ], [ %t10, %logic.rend1665 ]
-  br i1 %t11, label %then1666, label %endif1668
-then1666:
+  br label %logic.rend1719
+logic.rend1719:
+  br label %logic.end1718
+logic.end1718:
+  %t11 = phi i1 [ true, %logic.from1716 ], [ %t10, %logic.rend1719 ]
+  br i1 %t11, label %then1720, label %endif1722
+then1720:
   %t12 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t12, ptr %a13
-  call void @finch.copy.S_ast_Node(ptr %a14, ptr %a13)
-  %t15 = load %S.ast.Node, ptr %a14
-  ret %S.ast.Node %t15
-endif1668:
+  ret %S.ast.Node %t12
+endif1722:
+  %t13 = load ptr, ptr %a1
+  %t14 = call %S.ast.Node @finch.parser.node(ptr %t13, { ptr, i64, i64 } { ptr @.str.956, i64 2, i64 0 })
+  store %S.ast.Node %t14, ptr %a15
   %t16 = load ptr, ptr %a1
-  %t17 = call %S.ast.Node @finch.parser.node(ptr %t16, { ptr, i64, i64 } { ptr @.str.951, i64 2, i64 0 })
-  store %S.ast.Node %t17, ptr %a18
-  %t19 = load ptr, ptr %a1
-  %t20 = call %S.lexer.Token @finch.parser.next(ptr %t19)
-  %t21 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 9
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
-  %t23 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t23, ptr %a24
-  call void @finch.copy.S_ast_Node(ptr %a25, ptr %a24)
-  %t26 = load %S.ast.Node, ptr %a25
-  %t27 = load i64, ptr %t22
-  %t28 = add i64 %t27, 1
-  call void @finch_arr_reserve(ptr %t21, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t29 = load ptr, ptr %t21
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
-  store %S.ast.Node %t26, ptr %t30
-  store i64 %t28, ptr %t22
-  %t31 = load ptr, ptr %a1
-  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.952, i64 1, i64 0 })
-  br i1 %t32, label %then1669, label %else1670
-then1669:
-  %t33 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 6
-  store i1 true, ptr %t33
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 9
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
-  %t36 = load ptr, ptr %a1
-  %t37 = call %S.ast.Node @finch.parser.parseBlock(ptr %t36)
-  %t38 = load i64, ptr %t35
-  %t39 = add i64 %t38, 1
-  call void @finch_arr_reserve(ptr %t34, i64 %t39, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t40 = load ptr, ptr %t34
-  %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t38
-  store %S.ast.Node %t37, ptr %t41
-  store i64 %t39, ptr %t35
-  br label %endif1671
-else1670:
-  %t42 = getelementptr inbounds %S.ast.Node, ptr %a18, i32 0, i32 9
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
-  %t44 = load ptr, ptr %a1
-  %t45 = call %S.ast.Node @finch.parser.parseExpr(ptr %t44)
-  %t46 = load i64, ptr %t43
-  %t47 = add i64 %t46, 1
-  call void @finch_arr_reserve(ptr %t42, i64 %t47, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t48 = load ptr, ptr %t42
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 %t46
-  store %S.ast.Node %t45, ptr %t49
-  store i64 %t47, ptr %t43
-  br label %endif1671
-endif1671:
-  %t50 = load %S.ast.Node, ptr %a18
-  store %S.ast.Node %t50, ptr %a51
-  call void @finch.copy.S_ast_Node(ptr %a52, ptr %a51)
-  %t53 = load %S.ast.Node, ptr %a52
-  ret %S.ast.Node %t53
+  %t17 = call %S.lexer.Token @finch.parser.next(ptr %t16)
+  store %S.lexer.Token %t17, ptr %a18
+  call void @finch.drop.S_lexer_Token(ptr %a18)
+  %t19 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 9
+  %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t19, i32 0, i32 1
+  %t21 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t21, ptr %a22
+  call void @finch.copy.S_ast_Node(ptr %a23, ptr %a22)
+  %t24 = load %S.ast.Node, ptr %a23
+  %t25 = load i64, ptr %t20
+  %t26 = add i64 %t25, 1
+  call void @finch_arr_reserve(ptr %t19, i64 %t26, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t27 = load ptr, ptr %t19
+  %t28 = getelementptr inbounds %S.ast.Node, ptr %t27, i64 %t25
+  store %S.ast.Node %t24, ptr %t28
+  store i64 %t26, ptr %t20
+  %t29 = load ptr, ptr %a1
+  %t30 = call i1 @finch.parser.at(ptr %t29, { ptr, i64, i64 } { ptr @.str.957, i64 1, i64 0 })
+  br i1 %t30, label %then1723, label %else1724
+then1723:
+  %t31 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 6
+  store i1 true, ptr %t31
+  %t32 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 9
+  %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i32 0, i32 1
+  %t34 = load ptr, ptr %a1
+  %t35 = call %S.ast.Node @finch.parser.parseBlock(ptr %t34)
+  %t36 = load i64, ptr %t33
+  %t37 = add i64 %t36, 1
+  call void @finch_arr_reserve(ptr %t32, i64 %t37, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t38 = load ptr, ptr %t32
+  %t39 = getelementptr inbounds %S.ast.Node, ptr %t38, i64 %t36
+  store %S.ast.Node %t35, ptr %t39
+  store i64 %t37, ptr %t33
+  br label %endif1725
+else1724:
+  %t40 = getelementptr inbounds %S.ast.Node, ptr %a15, i32 0, i32 9
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load ptr, ptr %a1
+  %t43 = call %S.ast.Node @finch.parser.parseExpr(ptr %t42)
+  %t44 = load i64, ptr %t41
+  %t45 = add i64 %t44, 1
+  call void @finch_arr_reserve(ptr %t40, i64 %t45, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t46 = load ptr, ptr %t40
+  %t47 = getelementptr inbounds %S.ast.Node, ptr %t46, i64 %t44
+  store %S.ast.Node %t43, ptr %t47
+  store i64 %t45, ptr %t41
+  br label %endif1725
+endif1725:
+  %t48 = load %S.ast.Node, ptr %a15
+  call void @finch.drop.S_ast_Node(ptr %a4)
+  ret %S.ast.Node %t48
 }
 
 define internal %S.ast.Node @finch.parser.parseBinary(ptr %p0, i64 %p1) {
@@ -17877,319 +19860,360 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca i64, align 16
   %a11 = alloca %S.ast.Node, align 16
-  %a22 = alloca %S.ast.Node, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.ast.Node, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca %S.ast.Node, align 16
-  %a34 = alloca %S.ast.Node, align 16
-  %a51 = alloca %S.ast.Node, align 16
-  %a52 = alloca %S.ast.Node, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.lexer.Token, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca %S.ast.Node, align 16
+  %a38 = alloca %S.ast.Node, align 16
   %a55 = alloca %S.ast.Node, align 16
   %a56 = alloca %S.ast.Node, align 16
+  %a59 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load i64, ptr %a2
   %t4 = icmp sgt i64 %t3, 5
-  br i1 %t4, label %then1672, label %endif1674
-then1672:
+  br i1 %t4, label %then1726, label %endif1728
+then1726:
   %t5 = load ptr, ptr %a1
   %t6 = call %S.ast.Node @finch.parser.parseUnary(ptr %t5)
   ret %S.ast.Node %t6
-endif1674:
+endif1728:
   %t7 = load ptr, ptr %a1
   %t8 = load i64, ptr %a2
   %t9 = add i64 %t8, 1
   %t10 = call %S.ast.Node @finch.parser.parseBinary(ptr %t7, i64 %t9)
   store %S.ast.Node %t10, ptr %a11
-  br label %while.cond1675
-while.cond1675:
+  br label %while.cond1729
+while.cond1729:
   %t12 = load ptr, ptr %a1
   %t13 = call i1 @finch.parser.sameLine(ptr %t12)
-  br label %logic.from1678
-logic.from1678:
-  br i1 %t13, label %logic.rhs1679, label %logic.end1680
-logic.rhs1679:
+  br label %logic.from1732
+logic.from1732:
+  br i1 %t13, label %logic.rhs1733, label %logic.end1734
+logic.rhs1733:
   %t14 = load ptr, ptr %a1
   %t15 = call { ptr, i64, i64 } @finch.parser.curKind(ptr %t14)
   %t16 = call i64 @finch.parser.binaryLevel({ ptr, i64, i64 } %t15)
-  %t17 = load i64, ptr %a2
-  %t18 = icmp eq i64 %t16, %t17
-  br label %logic.rend1681
-logic.rend1681:
-  br label %logic.end1680
-logic.end1680:
-  %t19 = phi i1 [ false, %logic.from1678 ], [ %t18, %logic.rend1681 ]
-  br i1 %t19, label %while.body1676, label %while.end1677
-while.body1676:
-  %t20 = load ptr, ptr %a1
-  %t21 = call %S.ast.Node @finch.parser.node(ptr %t20, { ptr, i64, i64 } { ptr @.str.953, i64 6, i64 0 })
-  store %S.ast.Node %t21, ptr %a22
-  %t23 = load ptr, ptr %a1
-  %t24 = call %S.lexer.Token @finch.parser.next(ptr %t23)
-  %t25 = extractvalue %S.lexer.Token %t24, 0
-  store { ptr, i64, i64 } %t25, ptr %a26
-  call void @finch_str_copy(ptr %a27, ptr %a26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a22, i32 0, i32 1
-  store { ptr, i64, i64 } %t28, ptr %t29
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %a22, i32 0, i32 9
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
-  %t32 = load %S.ast.Node, ptr %a11
-  store %S.ast.Node %t32, ptr %a33
-  call void @finch.copy.S_ast_Node(ptr %a34, ptr %a33)
-  %t35 = load %S.ast.Node, ptr %a34
-  %t36 = load i64, ptr %t31
-  %t37 = add i64 %t36, 1
-  call void @finch_arr_reserve(ptr %t30, i64 %t37, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t38 = load ptr, ptr %t30
-  %t39 = getelementptr inbounds %S.ast.Node, ptr %t38, i64 %t36
-  store %S.ast.Node %t35, ptr %t39
-  store i64 %t37, ptr %t31
-  %t40 = getelementptr inbounds %S.ast.Node, ptr %a22, i32 0, i32 9
-  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
-  %t42 = load ptr, ptr %a1
-  %t43 = load i64, ptr %a2
-  %t44 = add i64 %t43, 1
-  %t45 = call %S.ast.Node @finch.parser.parseBinary(ptr %t42, i64 %t44)
-  %t46 = load i64, ptr %t41
-  %t47 = add i64 %t46, 1
-  call void @finch_arr_reserve(ptr %t40, i64 %t47, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t48 = load ptr, ptr %t40
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 %t46
-  store %S.ast.Node %t45, ptr %t49
-  store i64 %t47, ptr %t41
-  %t50 = load %S.ast.Node, ptr %a22
-  store %S.ast.Node %t50, ptr %a51
-  call void @finch.copy.S_ast_Node(ptr %a52, ptr %a51)
-  %t53 = load %S.ast.Node, ptr %a52
-  store %S.ast.Node %t53, ptr %a11
-  br label %while.cond1675
-while.end1677:
-  %t54 = load %S.ast.Node, ptr %a11
+  store { ptr, i64, i64 } %t15, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load i64, ptr %a2
+  %t19 = icmp eq i64 %t16, %t18
+  br label %logic.rend1735
+logic.rend1735:
+  br label %logic.end1734
+logic.end1734:
+  %t20 = phi i1 [ false, %logic.from1732 ], [ %t19, %logic.rend1735 ]
+  br i1 %t20, label %while.body1730, label %while.end1731
+while.body1730:
+  %t21 = load ptr, ptr %a1
+  %t22 = call %S.ast.Node @finch.parser.node(ptr %t21, { ptr, i64, i64 } { ptr @.str.958, i64 6, i64 0 })
+  store %S.ast.Node %t22, ptr %a23
+  %t24 = load ptr, ptr %a1
+  %t25 = call %S.lexer.Token @finch.parser.next(ptr %t24)
+  %t26 = extractvalue %S.lexer.Token %t25, 0
+  store { ptr, i64, i64 } %t26, ptr %a27
+  call void @finch_str_copy(ptr %a28, ptr %a27)
+  %t29 = load { ptr, i64, i64 }, ptr %a28
+  store %S.lexer.Token %t25, ptr %a30
+  call void @finch.drop.S_lexer_Token(ptr %a30)
+  %t31 = getelementptr inbounds %S.ast.Node, ptr %a23, i32 0, i32 1
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t29, ptr %t31
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = getelementptr inbounds %S.ast.Node, ptr %a23, i32 0, i32 9
+  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
+  %t36 = load %S.ast.Node, ptr %a11
+  store %S.ast.Node %t36, ptr %a37
+  call void @finch.copy.S_ast_Node(ptr %a38, ptr %a37)
+  %t39 = load %S.ast.Node, ptr %a38
+  %t40 = load i64, ptr %t35
+  %t41 = add i64 %t40, 1
+  call void @finch_arr_reserve(ptr %t34, i64 %t41, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t42 = load ptr, ptr %t34
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t40
+  store %S.ast.Node %t39, ptr %t43
+  store i64 %t41, ptr %t35
+  %t44 = getelementptr inbounds %S.ast.Node, ptr %a23, i32 0, i32 9
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
+  %t46 = load ptr, ptr %a1
+  %t47 = load i64, ptr %a2
+  %t48 = add i64 %t47, 1
+  %t49 = call %S.ast.Node @finch.parser.parseBinary(ptr %t46, i64 %t48)
+  %t50 = load i64, ptr %t45
+  %t51 = add i64 %t50, 1
+  call void @finch_arr_reserve(ptr %t44, i64 %t51, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t52 = load ptr, ptr %t44
+  %t53 = getelementptr inbounds %S.ast.Node, ptr %t52, i64 %t50
+  store %S.ast.Node %t49, ptr %t53
+  store i64 %t51, ptr %t45
+  %t54 = load %S.ast.Node, ptr %a23
   store %S.ast.Node %t54, ptr %a55
   call void @finch.copy.S_ast_Node(ptr %a56, ptr %a55)
   %t57 = load %S.ast.Node, ptr %a56
-  ret %S.ast.Node %t57
+  %t58 = load %S.ast.Node, ptr %a11
+  store %S.ast.Node %t57, ptr %a11
+  store %S.ast.Node %t58, ptr %a59
+  call void @finch.drop.S_ast_Node(ptr %a59)
+  call void @finch.drop.S_ast_Node(ptr %a23)
+  br label %while.cond1729
+while.end1731:
+  %t60 = load %S.ast.Node, ptr %a11
+  ret %S.ast.Node %t60
 }
 
 define internal %S.ast.Node @finch.parser.parseUnary(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   %a6 = alloca %S.ast.Node, align 16
-  %a28 = alloca %S.ast.Node, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca %S.lexer.Token, align 16
+  %a29 = alloca %S.ast.Node, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca %S.lexer.Token, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.954, i64 3, i64 0 })
-  br i1 %t3, label %then1682, label %endif1684
-then1682:
+  %t3 = call i1 @finch.parser.at(ptr %t2, { ptr, i64, i64 } { ptr @.str.959, i64 3, i64 0 })
+  br i1 %t3, label %then1736, label %endif1738
+then1736:
   %t4 = load ptr, ptr %a1
-  %t5 = call %S.ast.Node @finch.parser.node(ptr %t4, { ptr, i64, i64 } { ptr @.str.955, i64 3, i64 0 })
+  %t5 = call %S.ast.Node @finch.parser.node(ptr %t4, { ptr, i64, i64 } { ptr @.str.960, i64 3, i64 0 })
   store %S.ast.Node %t5, ptr %a6
   %t7 = load ptr, ptr %a1
   %t8 = call %S.lexer.Token @finch.parser.next(ptr %t7)
-  %t9 = getelementptr inbounds %S.ast.Node, ptr %a6, i32 0, i32 9
-  %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
-  %t11 = load ptr, ptr %a1
-  %t12 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t11)
-  %t13 = load i64, ptr %t10
-  %t14 = add i64 %t13, 1
-  call void @finch_arr_reserve(ptr %t9, i64 %t14, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t15 = load ptr, ptr %t9
-  %t16 = getelementptr inbounds %S.ast.Node, ptr %t15, i64 %t13
-  store %S.ast.Node %t12, ptr %t16
-  store i64 %t14, ptr %t10
-  %t17 = load %S.ast.Node, ptr %a6
-  ret %S.ast.Node %t17
-endif1684:
-  %t18 = load ptr, ptr %a1
-  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.956, i64 1, i64 0 })
-  br label %logic.from1685
-logic.from1685:
-  br i1 %t19, label %logic.end1687, label %logic.rhs1686
-logic.rhs1686:
-  %t20 = load ptr, ptr %a1
-  %t21 = call i1 @finch.parser.at(ptr %t20, { ptr, i64, i64 } { ptr @.str.957, i64 1, i64 0 })
-  br label %logic.rend1688
-logic.rend1688:
-  br label %logic.end1687
-logic.end1687:
-  %t22 = phi i1 [ true, %logic.from1685 ], [ %t21, %logic.rend1688 ]
-  br label %logic.from1689
-logic.from1689:
-  br i1 %t22, label %logic.end1691, label %logic.rhs1690
-logic.rhs1690:
-  %t23 = load ptr, ptr %a1
-  %t24 = call i1 @finch.parser.at(ptr %t23, { ptr, i64, i64 } { ptr @.str.958, i64 1, i64 0 })
-  br label %logic.rend1692
-logic.rend1692:
-  br label %logic.end1691
-logic.end1691:
-  %t25 = phi i1 [ true, %logic.from1689 ], [ %t24, %logic.rend1692 ]
-  br i1 %t25, label %then1693, label %endif1695
-then1693:
-  %t26 = load ptr, ptr %a1
-  %t27 = call %S.ast.Node @finch.parser.node(ptr %t26, { ptr, i64, i64 } { ptr @.str.959, i64 5, i64 0 })
-  store %S.ast.Node %t27, ptr %a28
-  %t29 = load ptr, ptr %a1
-  %t30 = call %S.lexer.Token @finch.parser.next(ptr %t29)
-  %t31 = extractvalue %S.lexer.Token %t30, 0
-  store { ptr, i64, i64 } %t31, ptr %a32
-  call void @finch_str_copy(ptr %a33, ptr %a32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  %t35 = getelementptr inbounds %S.ast.Node, ptr %a28, i32 0, i32 1
-  store { ptr, i64, i64 } %t34, ptr %t35
-  %t36 = getelementptr inbounds %S.ast.Node, ptr %a28, i32 0, i32 9
-  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
-  %t38 = load ptr, ptr %a1
-  %t39 = call %S.ast.Node @finch.parser.parseUnary(ptr %t38)
-  %t40 = load i64, ptr %t37
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %t36, i64 %t41, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %t36
-  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t40
-  store %S.ast.Node %t39, ptr %t43
-  store i64 %t41, ptr %t37
-  %t44 = load %S.ast.Node, ptr %a28
-  ret %S.ast.Node %t44
-endif1695:
-  %t45 = load ptr, ptr %a1
-  %t46 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t45)
-  ret %S.ast.Node %t46
+  store %S.lexer.Token %t8, ptr %a9
+  call void @finch.drop.S_lexer_Token(ptr %a9)
+  %t10 = getelementptr inbounds %S.ast.Node, ptr %a6, i32 0, i32 9
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
+  %t12 = load ptr, ptr %a1
+  %t13 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t12)
+  %t14 = load i64, ptr %t11
+  %t15 = add i64 %t14, 1
+  call void @finch_arr_reserve(ptr %t10, i64 %t15, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t16 = load ptr, ptr %t10
+  %t17 = getelementptr inbounds %S.ast.Node, ptr %t16, i64 %t14
+  store %S.ast.Node %t13, ptr %t17
+  store i64 %t15, ptr %t11
+  %t18 = load %S.ast.Node, ptr %a6
+  ret %S.ast.Node %t18
+endif1738:
+  %t19 = load ptr, ptr %a1
+  %t20 = call i1 @finch.parser.at(ptr %t19, { ptr, i64, i64 } { ptr @.str.961, i64 1, i64 0 })
+  br label %logic.from1739
+logic.from1739:
+  br i1 %t20, label %logic.end1741, label %logic.rhs1740
+logic.rhs1740:
+  %t21 = load ptr, ptr %a1
+  %t22 = call i1 @finch.parser.at(ptr %t21, { ptr, i64, i64 } { ptr @.str.962, i64 1, i64 0 })
+  br label %logic.rend1742
+logic.rend1742:
+  br label %logic.end1741
+logic.end1741:
+  %t23 = phi i1 [ true, %logic.from1739 ], [ %t22, %logic.rend1742 ]
+  br label %logic.from1743
+logic.from1743:
+  br i1 %t23, label %logic.end1745, label %logic.rhs1744
+logic.rhs1744:
+  %t24 = load ptr, ptr %a1
+  %t25 = call i1 @finch.parser.at(ptr %t24, { ptr, i64, i64 } { ptr @.str.963, i64 1, i64 0 })
+  br label %logic.rend1746
+logic.rend1746:
+  br label %logic.end1745
+logic.end1745:
+  %t26 = phi i1 [ true, %logic.from1743 ], [ %t25, %logic.rend1746 ]
+  br i1 %t26, label %then1747, label %endif1749
+then1747:
+  %t27 = load ptr, ptr %a1
+  %t28 = call %S.ast.Node @finch.parser.node(ptr %t27, { ptr, i64, i64 } { ptr @.str.964, i64 5, i64 0 })
+  store %S.ast.Node %t28, ptr %a29
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.lexer.Token @finch.parser.next(ptr %t30)
+  %t32 = extractvalue %S.lexer.Token %t31, 0
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_copy(ptr %a34, ptr %a33)
+  %t35 = load { ptr, i64, i64 }, ptr %a34
+  store %S.lexer.Token %t31, ptr %a36
+  call void @finch.drop.S_lexer_Token(ptr %a36)
+  %t37 = getelementptr inbounds %S.ast.Node, ptr %a29, i32 0, i32 1
+  %t38 = load { ptr, i64, i64 }, ptr %t37
+  store { ptr, i64, i64 } %t35, ptr %t37
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = getelementptr inbounds %S.ast.Node, ptr %a29, i32 0, i32 9
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load ptr, ptr %a1
+  %t43 = call %S.ast.Node @finch.parser.parseUnary(ptr %t42)
+  %t44 = load i64, ptr %t41
+  %t45 = add i64 %t44, 1
+  call void @finch_arr_reserve(ptr %t40, i64 %t45, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t46 = load ptr, ptr %t40
+  %t47 = getelementptr inbounds %S.ast.Node, ptr %t46, i64 %t44
+  store %S.ast.Node %t43, ptr %t47
+  store i64 %t45, ptr %t41
+  %t48 = load %S.ast.Node, ptr %a29
+  ret %S.ast.Node %t48
+endif1749:
+  %t49 = load ptr, ptr %a1
+  %t50 = call %S.ast.Node @finch.parser.parsePostfix(ptr %t49)
+  ret %S.ast.Node %t50
 }
 
 define internal void @finch.parser.parseArgs(ptr %p0, ptr %p1) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca ptr, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca %S.lexer.Token, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.lexer.Token, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca %S.lexer.Token, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca %S.lexer.Token, align 16
   store ptr %p0, ptr %a1
   store ptr %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.960, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.961, i64 3, i64 0 })
-  %t5 = load ptr, ptr %a1
-  %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic1696, label %ok1697
-panic1696:
-  call void @finch_panic(ptr @.str.962, i64 638, ptr @.str.963)
+  %t4 = call %S.lexer.Token @finch.parser.expect(ptr %t3, { ptr, i64, i64 } { ptr @.str.965, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.966, i64 3, i64 0 })
+  store %S.lexer.Token %t4, ptr %a5
+  call void @finch.drop.S_lexer_Token(ptr %a5)
+  %t6 = load ptr, ptr %a1
+  %t7 = icmp eq ptr %t6, null
+  br i1 %t7, label %panic1750, label %ok1751
+panic1750:
+  call void @finch_panic(ptr @.str.967, i64 638, ptr @.str.968)
   unreachable
-ok1697:
-  %t7 = getelementptr inbounds %S.parser.Parser, ptr %t5, i32 0, i32 2
-  %t8 = load i64, ptr %t7
-  %t9 = add i64 %t8, 1
-  store i64 %t9, ptr %t7
-  %t10 = load ptr, ptr %a1
-  %t11 = call i1 @finch.parser.at(ptr %t10, { ptr, i64, i64 } { ptr @.str.964, i64 1, i64 0 })
-  %t12 = xor i1 %t11, true
-  br i1 %t12, label %then1698, label %endif1700
-then1698:
-  br label %while.cond1701
-while.cond1701:
-  %t13 = load ptr, ptr %a1
-  %t14 = call i1 @finch.parser.at(ptr %t13, { ptr, i64, i64 } { ptr @.str.965, i64 1, i64 0 })
-  %t15 = xor i1 %t14, true
-  br i1 %t15, label %while.body1702, label %while.end1703
-while.body1702:
-  store { ptr, i64, i64 } { ptr @.str.966, i64 0, i64 0 }, ptr %a16
-  %t17 = load ptr, ptr %a1
-  %t18 = call i1 @finch.parser.at(ptr %t17, { ptr, i64, i64 } { ptr @.str.967, i64 5, i64 0 })
-  br label %logic.from1704
-logic.from1704:
-  br i1 %t18, label %logic.rhs1705, label %logic.end1706
-logic.rhs1705:
-  %t19 = load ptr, ptr %a1
-  %t20 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t19, i64 1)
-  store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.968, i64 1, i64 0 }, ptr %a22
-  %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
-  %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend1707
-logic.rend1707:
-  br label %logic.end1706
-logic.end1706:
-  %t25 = phi i1 [ false, %logic.from1704 ], [ %t24, %logic.rend1707 ]
-  br i1 %t25, label %then1708, label %endif1710
-then1708:
-  %t26 = load ptr, ptr %a1
-  %t27 = call %S.lexer.Token @finch.parser.next(ptr %t26)
-  %t28 = extractvalue %S.lexer.Token %t27, 1
-  store { ptr, i64, i64 } %t28, ptr %a29
-  call void @finch_str_copy(ptr %a30, ptr %a29)
-  %t31 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t31, ptr %a16
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.lexer.Token @finch.parser.next(ptr %t32)
-  br label %endif1710
-endif1710:
-  %t34 = load ptr, ptr %a2
-  %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic1711, label %ok1712
-panic1711:
-  call void @finch_panic(ptr @.str.969, i64 646, ptr @.str.970)
+ok1751:
+  %t8 = getelementptr inbounds %S.parser.Parser, ptr %t6, i32 0, i32 2
+  %t9 = load i64, ptr %t8
+  %t10 = add i64 %t9, 1
+  store i64 %t10, ptr %t8
+  %t11 = load ptr, ptr %a1
+  %t12 = call i1 @finch.parser.at(ptr %t11, { ptr, i64, i64 } { ptr @.str.969, i64 1, i64 0 })
+  %t13 = xor i1 %t12, true
+  br i1 %t13, label %then1752, label %endif1754
+then1752:
+  br label %while.cond1755
+while.cond1755:
+  %t14 = load ptr, ptr %a1
+  %t15 = call i1 @finch.parser.at(ptr %t14, { ptr, i64, i64 } { ptr @.str.970, i64 1, i64 0 })
+  %t16 = xor i1 %t15, true
+  br i1 %t16, label %while.body1756, label %while.end1757
+while.body1756:
+  store { ptr, i64, i64 } { ptr @.str.971, i64 0, i64 0 }, ptr %a17
+  %t18 = load ptr, ptr %a1
+  %t19 = call i1 @finch.parser.at(ptr %t18, { ptr, i64, i64 } { ptr @.str.972, i64 5, i64 0 })
+  br label %logic.from1758
+logic.from1758:
+  br i1 %t19, label %logic.rhs1759, label %logic.end1760
+logic.rhs1759:
+  %t20 = load ptr, ptr %a1
+  %t21 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t20, i64 1)
+  store { ptr, i64, i64 } %t21, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.973, i64 1, i64 0 }, ptr %a23
+  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
+  %t25 = icmp ne i32 %t24, 0
+  store { ptr, i64, i64 } %t21, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  br label %logic.rend1761
+logic.rend1761:
+  br label %logic.end1760
+logic.end1760:
+  %t27 = phi i1 [ false, %logic.from1758 ], [ %t25, %logic.rend1761 ]
+  br i1 %t27, label %then1762, label %endif1764
+then1762:
+  %t28 = load ptr, ptr %a1
+  %t29 = call %S.lexer.Token @finch.parser.next(ptr %t28)
+  %t30 = extractvalue %S.lexer.Token %t29, 1
+  store { ptr, i64, i64 } %t30, ptr %a31
+  call void @finch_str_copy(ptr %a32, ptr %a31)
+  %t33 = load { ptr, i64, i64 }, ptr %a32
+  store %S.lexer.Token %t29, ptr %a34
+  call void @finch.drop.S_lexer_Token(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t33, ptr %a17
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load ptr, ptr %a1
+  %t38 = call %S.lexer.Token @finch.parser.next(ptr %t37)
+  store %S.lexer.Token %t38, ptr %a39
+  call void @finch.drop.S_lexer_Token(ptr %a39)
+  br label %endif1764
+endif1764:
+  %t40 = load ptr, ptr %a2
+  %t41 = icmp eq ptr %t40, null
+  br i1 %t41, label %panic1765, label %ok1766
+panic1765:
+  call void @finch_panic(ptr @.str.974, i64 646, ptr @.str.975)
   unreachable
-ok1712:
-  %t36 = getelementptr inbounds %S.ast.Node, ptr %t34, i32 0, i32 10
-  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
-  %t38 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t38, ptr %a39
-  call void @finch_str_copy(ptr %a40, ptr %a39)
-  %t41 = load { ptr, i64, i64 }, ptr %a40
-  %t42 = load i64, ptr %t37
-  %t43 = add i64 %t42, 1
-  call void @finch_arr_reserve(ptr %t36, i64 %t43, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t44 = load ptr, ptr %t36
-  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 %t42
-  store { ptr, i64, i64 } %t41, ptr %t45
-  store i64 %t43, ptr %t37
-  %t46 = load ptr, ptr %a2
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic1713, label %ok1714
-panic1713:
-  call void @finch_panic(ptr @.str.971, i64 647, ptr @.str.972)
+ok1766:
+  %t42 = getelementptr inbounds %S.ast.Node, ptr %t40, i32 0, i32 10
+  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
+  %t44 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_copy(ptr %a46, ptr %a45)
+  %t47 = load { ptr, i64, i64 }, ptr %a46
+  %t48 = load i64, ptr %t43
+  %t49 = add i64 %t48, 1
+  call void @finch_arr_reserve(ptr %t42, i64 %t49, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t50 = load ptr, ptr %t42
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t48
+  store { ptr, i64, i64 } %t47, ptr %t51
+  store i64 %t49, ptr %t43
+  %t52 = load ptr, ptr %a2
+  %t53 = icmp eq ptr %t52, null
+  br i1 %t53, label %panic1767, label %ok1768
+panic1767:
+  call void @finch_panic(ptr @.str.976, i64 647, ptr @.str.977)
   unreachable
-ok1714:
-  %t48 = getelementptr inbounds %S.ast.Node, ptr %t46, i32 0, i32 9
-  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i32 0, i32 1
-  %t50 = load ptr, ptr %a1
-  %t51 = call %S.ast.Node @finch.parser.parseExpr(ptr %t50)
-  %t52 = load i64, ptr %t49
-  %t53 = add i64 %t52, 1
-  call void @finch_arr_reserve(ptr %t48, i64 %t53, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t54 = load ptr, ptr %t48
-  %t55 = getelementptr inbounds %S.ast.Node, ptr %t54, i64 %t52
-  store %S.ast.Node %t51, ptr %t55
-  store i64 %t53, ptr %t49
+ok1768:
+  %t54 = getelementptr inbounds %S.ast.Node, ptr %t52, i32 0, i32 9
+  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i32 0, i32 1
   %t56 = load ptr, ptr %a1
-  %t57 = call i1 @finch.parser.accept(ptr %t56, { ptr, i64, i64 } { ptr @.str.973, i64 1, i64 0 })
-  %t58 = xor i1 %t57, true
-  br i1 %t58, label %then1715, label %endif1717
-then1715:
-  br label %while.end1703
-endif1717:
-  br label %while.cond1701
-while.end1703:
-  br label %endif1700
-endif1700:
-  %t59 = load ptr, ptr %a1
-  %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic1718, label %ok1719
-panic1718:
-  call void @finch_panic(ptr @.str.974, i64 653, ptr @.str.975)
+  %t57 = call %S.ast.Node @finch.parser.parseExpr(ptr %t56)
+  %t58 = load i64, ptr %t55
+  %t59 = add i64 %t58, 1
+  call void @finch_arr_reserve(ptr %t54, i64 %t59, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t60 = load ptr, ptr %t54
+  %t61 = getelementptr inbounds %S.ast.Node, ptr %t60, i64 %t58
+  store %S.ast.Node %t57, ptr %t61
+  store i64 %t59, ptr %t55
+  %t62 = load ptr, ptr %a1
+  %t63 = call i1 @finch.parser.accept(ptr %t62, { ptr, i64, i64 } { ptr @.str.978, i64 1, i64 0 })
+  %t64 = xor i1 %t63, true
+  br i1 %t64, label %then1769, label %endif1771
+then1769:
+  call void @finch_str_drop(ptr %a17)
+  br label %while.end1757
+endif1771:
+  call void @finch_str_drop(ptr %a17)
+  br label %while.cond1755
+while.end1757:
+  br label %endif1754
+endif1754:
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic1772, label %ok1773
+panic1772:
+  call void @finch_panic(ptr @.str.979, i64 653, ptr @.str.980)
   unreachable
-ok1719:
-  %t61 = getelementptr inbounds %S.parser.Parser, ptr %t59, i32 0, i32 2
-  %t62 = load i64, ptr %t61
-  %t63 = sub i64 %t62, 1
-  store i64 %t63, ptr %t61
-  %t64 = load ptr, ptr %a1
-  %t65 = call %S.lexer.Token @finch.parser.expect(ptr %t64, { ptr, i64, i64 } { ptr @.str.976, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.977, i64 3, i64 0 })
+ok1773:
+  %t67 = getelementptr inbounds %S.parser.Parser, ptr %t65, i32 0, i32 2
+  %t68 = load i64, ptr %t67
+  %t69 = sub i64 %t68, 1
+  store i64 %t69, ptr %t67
+  %t70 = load ptr, ptr %a1
+  %t71 = call %S.lexer.Token @finch.parser.expect(ptr %t70, { ptr, i64, i64 } { ptr @.str.981, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.982, i64 3, i64 0 })
+  store %S.lexer.Token %t71, ptr %a72
+  call void @finch.drop.S_lexer_Token(ptr %a72)
   ret void
 }
 
@@ -18198,170 +20222,193 @@ entry:
   %a1 = alloca ptr, align 16
   %a4 = alloca %S.ast.Node, align 16
   %a11 = alloca %S.ast.Node, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca %S.lexer.Token, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca %S.ast.Node, align 16
-  %a25 = alloca %S.ast.Node, align 16
-  %a41 = alloca %S.ast.Node, align 16
-  %a42 = alloca %S.ast.Node, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca %S.lexer.Token, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca %S.ast.Node, align 16
+  %a29 = alloca %S.ast.Node, align 16
+  %a40 = alloca %S.lexer.Token, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca %S.ast.Node, align 16
-  %a59 = alloca %S.ast.Node, align 16
-  %a60 = alloca %S.ast.Node, align 16
-  %a82 = alloca %S.ast.Node, align 16
-  %a83 = alloca %S.ast.Node, align 16
-  %a86 = alloca %S.ast.Node, align 16
-  %a87 = alloca %S.ast.Node, align 16
-  %a90 = alloca %S.ast.Node, align 16
-  %a91 = alloca %S.ast.Node, align 16
+  %a49 = alloca %S.ast.Node, align 16
+  %a52 = alloca %S.ast.Node, align 16
+  %a57 = alloca %S.ast.Node, align 16
+  %a60 = alloca %S.lexer.Token, align 16
+  %a69 = alloca %S.ast.Node, align 16
+  %a70 = alloca %S.ast.Node, align 16
+  %a91 = alloca %S.lexer.Token, align 16
+  %a93 = alloca %S.ast.Node, align 16
+  %a94 = alloca %S.ast.Node, align 16
+  %a97 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call %S.ast.Node @finch.parser.parsePrimary(ptr %t2)
   store %S.ast.Node %t3, ptr %a4
-  br label %while.cond1720
-while.cond1720:
+  br label %while.cond1774
+while.cond1774:
   %t5 = load ptr, ptr %a1
   %t6 = call i1 @finch.parser.sameLine(ptr %t5)
-  br i1 %t6, label %while.body1721, label %while.end1722
-while.body1721:
+  br i1 %t6, label %while.body1775, label %while.end1776
+while.body1775:
   %t7 = load ptr, ptr %a1
-  %t8 = call i1 @finch.parser.at(ptr %t7, { ptr, i64, i64 } { ptr @.str.978, i64 1, i64 0 })
-  br i1 %t8, label %then1723, label %else1724
-then1723:
+  %t8 = call i1 @finch.parser.at(ptr %t7, { ptr, i64, i64 } { ptr @.str.983, i64 1, i64 0 })
+  br i1 %t8, label %then1777, label %else1778
+then1777:
   %t9 = load ptr, ptr %a1
-  %t10 = call %S.ast.Node @finch.parser.node(ptr %t9, { ptr, i64, i64 } { ptr @.str.979, i64 6, i64 0 })
+  %t10 = call %S.ast.Node @finch.parser.node(ptr %t9, { ptr, i64, i64 } { ptr @.str.984, i64 6, i64 0 })
   store %S.ast.Node %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = call %S.lexer.Token @finch.parser.next(ptr %t12)
-  %t14 = load ptr, ptr %a1
-  %t15 = call %S.lexer.Token @finch.parser.expect(ptr %t14, { ptr, i64, i64 } { ptr @.str.980, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.981, i64 16, i64 0 })
-  %t16 = extractvalue %S.lexer.Token %t15, 1
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  %t20 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 1
-  store { ptr, i64, i64 } %t19, ptr %t20
-  %t21 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 9
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
-  %t23 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t23, ptr %a24
-  call void @finch.copy.S_ast_Node(ptr %a25, ptr %a24)
-  %t26 = load %S.ast.Node, ptr %a25
-  %t27 = load i64, ptr %t22
-  %t28 = add i64 %t27, 1
-  call void @finch_arr_reserve(ptr %t21, i64 %t28, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t29 = load ptr, ptr %t21
-  %t30 = getelementptr inbounds %S.ast.Node, ptr %t29, i64 %t27
-  store %S.ast.Node %t26, ptr %t30
-  store i64 %t28, ptr %t22
-  %t31 = load ptr, ptr %a1
-  %t32 = call i1 @finch.parser.at(ptr %t31, { ptr, i64, i64 } { ptr @.str.982, i64 1, i64 0 })
-  br label %logic.from1726
-logic.from1726:
-  br i1 %t32, label %logic.rhs1727, label %logic.end1728
-logic.rhs1727:
-  %t33 = load ptr, ptr %a1
-  %t34 = call %S.lexer.Token @finch.parser.cur(ptr %t33)
-  %t35 = extractvalue %S.lexer.Token %t34, 4
-  %t36 = xor i1 %t35, true
-  br label %logic.rend1729
-logic.rend1729:
-  br label %logic.end1728
-logic.end1728:
-  %t37 = phi i1 [ false, %logic.from1726 ], [ %t36, %logic.rend1729 ]
-  br i1 %t37, label %then1730, label %endif1732
-then1730:
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.983, i64 6, i64 0 }, ptr %t38
-  %t39 = load ptr, ptr %a1
-  call void @finch.parser.parseArgs(ptr %t39, ptr %a11)
-  br label %endif1732
-endif1732:
-  %t40 = load %S.ast.Node, ptr %a11
-  store %S.ast.Node %t40, ptr %a41
-  call void @finch.copy.S_ast_Node(ptr %a42, ptr %a41)
-  %t43 = load %S.ast.Node, ptr %a42
-  store %S.ast.Node %t43, ptr %a4
-  br label %endif1725
-else1724:
-  %t44 = load ptr, ptr %a1
-  %t45 = call i1 @finch.parser.at(ptr %t44, { ptr, i64, i64 } { ptr @.str.984, i64 1, i64 0 })
-  br i1 %t45, label %then1733, label %else1734
-then1733:
+  store %S.lexer.Token %t13, ptr %a14
+  call void @finch.drop.S_lexer_Token(ptr %a14)
+  %t15 = load ptr, ptr %a1
+  %t16 = call %S.lexer.Token @finch.parser.expect(ptr %t15, { ptr, i64, i64 } { ptr @.str.985, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.986, i64 16, i64 0 })
+  %t17 = extractvalue %S.lexer.Token %t16, 1
+  store { ptr, i64, i64 } %t17, ptr %a18
+  call void @finch_str_copy(ptr %a19, ptr %a18)
+  %t20 = load { ptr, i64, i64 }, ptr %a19
+  store %S.lexer.Token %t16, ptr %a21
+  call void @finch.drop.S_lexer_Token(ptr %a21)
+  %t22 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 1
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t20, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 9
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i32 0, i32 1
+  %t27 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t27, ptr %a28
+  call void @finch.copy.S_ast_Node(ptr %a29, ptr %a28)
+  %t30 = load %S.ast.Node, ptr %a29
+  %t31 = load i64, ptr %t26
+  %t32 = add i64 %t31, 1
+  call void @finch_arr_reserve(ptr %t25, i64 %t32, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t33 = load ptr, ptr %t25
+  %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 %t31
+  store %S.ast.Node %t30, ptr %t34
+  store i64 %t32, ptr %t26
+  %t35 = load ptr, ptr %a1
+  %t36 = call i1 @finch.parser.at(ptr %t35, { ptr, i64, i64 } { ptr @.str.987, i64 1, i64 0 })
+  br label %logic.from1780
+logic.from1780:
+  br i1 %t36, label %logic.rhs1781, label %logic.end1782
+logic.rhs1781:
+  %t37 = load ptr, ptr %a1
+  %t38 = call %S.lexer.Token @finch.parser.cur(ptr %t37)
+  %t39 = extractvalue %S.lexer.Token %t38, 4
+  store %S.lexer.Token %t38, ptr %a40
+  call void @finch.drop.S_lexer_Token(ptr %a40)
+  %t41 = xor i1 %t39, true
+  br label %logic.rend1783
+logic.rend1783:
+  br label %logic.end1782
+logic.end1782:
+  %t42 = phi i1 [ false, %logic.from1780 ], [ %t41, %logic.rend1783 ]
+  br i1 %t42, label %then1784, label %endif1786
+then1784:
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %a11, i32 0, i32 0
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.988, i64 6, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_drop(ptr %a45)
   %t46 = load ptr, ptr %a1
-  %t47 = call %S.ast.Node @finch.parser.node(ptr %t46, { ptr, i64, i64 } { ptr @.str.985, i64 5, i64 0 })
+  call void @finch.parser.parseArgs(ptr %t46, ptr %a11)
+  br label %endif1786
+endif1786:
+  %t47 = load %S.ast.Node, ptr %a11
   store %S.ast.Node %t47, ptr %a48
-  %t49 = load ptr, ptr %a1
-  %t50 = call %S.lexer.Token @finch.parser.next(ptr %t49)
-  %t51 = load ptr, ptr %a1
-  %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic1736, label %ok1737
-panic1736:
-  call void @finch_panic(ptr @.str.986, i64 673, ptr @.str.987)
+  call void @finch.copy.S_ast_Node(ptr %a49, ptr %a48)
+  %t50 = load %S.ast.Node, ptr %a49
+  %t51 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t50, ptr %a4
+  store %S.ast.Node %t51, ptr %a52
+  call void @finch.drop.S_ast_Node(ptr %a52)
+  call void @finch.drop.S_ast_Node(ptr %a11)
+  br label %endif1779
+else1778:
+  %t53 = load ptr, ptr %a1
+  %t54 = call i1 @finch.parser.at(ptr %t53, { ptr, i64, i64 } { ptr @.str.989, i64 1, i64 0 })
+  br i1 %t54, label %then1787, label %else1788
+then1787:
+  %t55 = load ptr, ptr %a1
+  %t56 = call %S.ast.Node @finch.parser.node(ptr %t55, { ptr, i64, i64 } { ptr @.str.990, i64 5, i64 0 })
+  store %S.ast.Node %t56, ptr %a57
+  %t58 = load ptr, ptr %a1
+  %t59 = call %S.lexer.Token @finch.parser.next(ptr %t58)
+  store %S.lexer.Token %t59, ptr %a60
+  call void @finch.drop.S_lexer_Token(ptr %a60)
+  %t61 = load ptr, ptr %a1
+  %t62 = icmp eq ptr %t61, null
+  br i1 %t62, label %panic1790, label %ok1791
+panic1790:
+  call void @finch_panic(ptr @.str.991, i64 673, ptr @.str.992)
   unreachable
-ok1737:
-  %t53 = getelementptr inbounds %S.parser.Parser, ptr %t51, i32 0, i32 2
-  %t54 = load i64, ptr %t53
-  %t55 = add i64 %t54, 1
-  store i64 %t55, ptr %t53
-  %t56 = getelementptr inbounds %S.ast.Node, ptr %a48, i32 0, i32 9
-  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i32 0, i32 1
-  %t58 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t58, ptr %a59
-  call void @finch.copy.S_ast_Node(ptr %a60, ptr %a59)
-  %t61 = load %S.ast.Node, ptr %a60
-  %t62 = load i64, ptr %t57
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %t56, i64 %t63, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %t56
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 %t62
-  store %S.ast.Node %t61, ptr %t65
-  store i64 %t63, ptr %t57
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a48, i32 0, i32 9
+ok1791:
+  %t63 = getelementptr inbounds %S.parser.Parser, ptr %t61, i32 0, i32 2
+  %t64 = load i64, ptr %t63
+  %t65 = add i64 %t64, 1
+  store i64 %t65, ptr %t63
+  %t66 = getelementptr inbounds %S.ast.Node, ptr %a57, i32 0, i32 9
   %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i32 0, i32 1
-  %t68 = load ptr, ptr %a1
-  %t69 = call %S.ast.Node @finch.parser.parseExpr(ptr %t68)
-  %t70 = load i64, ptr %t67
-  %t71 = add i64 %t70, 1
-  call void @finch_arr_reserve(ptr %t66, i64 %t71, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t72 = load ptr, ptr %t66
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %t72, i64 %t70
-  store %S.ast.Node %t69, ptr %t73
-  store i64 %t71, ptr %t67
-  %t74 = load ptr, ptr %a1
-  %t75 = icmp eq ptr %t74, null
-  br i1 %t75, label %panic1738, label %ok1739
-panic1738:
-  call void @finch_panic(ptr @.str.988, i64 676, ptr @.str.989)
+  %t68 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t68, ptr %a69
+  call void @finch.copy.S_ast_Node(ptr %a70, ptr %a69)
+  %t71 = load %S.ast.Node, ptr %a70
+  %t72 = load i64, ptr %t67
+  %t73 = add i64 %t72, 1
+  call void @finch_arr_reserve(ptr %t66, i64 %t73, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t74 = load ptr, ptr %t66
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t72
+  store %S.ast.Node %t71, ptr %t75
+  store i64 %t73, ptr %t67
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a57, i32 0, i32 9
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = load ptr, ptr %a1
+  %t79 = call %S.ast.Node @finch.parser.parseExpr(ptr %t78)
+  %t80 = load i64, ptr %t77
+  %t81 = add i64 %t80, 1
+  call void @finch_arr_reserve(ptr %t76, i64 %t81, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t82 = load ptr, ptr %t76
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %t82, i64 %t80
+  store %S.ast.Node %t79, ptr %t83
+  store i64 %t81, ptr %t77
+  %t84 = load ptr, ptr %a1
+  %t85 = icmp eq ptr %t84, null
+  br i1 %t85, label %panic1792, label %ok1793
+panic1792:
+  call void @finch_panic(ptr @.str.993, i64 676, ptr @.str.994)
   unreachable
-ok1739:
-  %t76 = getelementptr inbounds %S.parser.Parser, ptr %t74, i32 0, i32 2
-  %t77 = load i64, ptr %t76
-  %t78 = sub i64 %t77, 1
-  store i64 %t78, ptr %t76
-  %t79 = load ptr, ptr %a1
-  %t80 = call %S.lexer.Token @finch.parser.expect(ptr %t79, { ptr, i64, i64 } { ptr @.str.990, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.991, i64 3, i64 0 })
-  %t81 = load %S.ast.Node, ptr %a48
-  store %S.ast.Node %t81, ptr %a82
-  call void @finch.copy.S_ast_Node(ptr %a83, ptr %a82)
-  %t84 = load %S.ast.Node, ptr %a83
-  store %S.ast.Node %t84, ptr %a4
-  br label %endif1735
-else1734:
-  %t85 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t85, ptr %a86
-  call void @finch.copy.S_ast_Node(ptr %a87, ptr %a86)
-  %t88 = load %S.ast.Node, ptr %a87
-  ret %S.ast.Node %t88
-endif1735:
-  br label %endif1725
-endif1725:
-  br label %while.cond1720
-while.end1722:
-  %t89 = load %S.ast.Node, ptr %a4
-  store %S.ast.Node %t89, ptr %a90
-  call void @finch.copy.S_ast_Node(ptr %a91, ptr %a90)
-  %t92 = load %S.ast.Node, ptr %a91
-  ret %S.ast.Node %t92
+ok1793:
+  %t86 = getelementptr inbounds %S.parser.Parser, ptr %t84, i32 0, i32 2
+  %t87 = load i64, ptr %t86
+  %t88 = sub i64 %t87, 1
+  store i64 %t88, ptr %t86
+  %t89 = load ptr, ptr %a1
+  %t90 = call %S.lexer.Token @finch.parser.expect(ptr %t89, { ptr, i64, i64 } { ptr @.str.995, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.996, i64 3, i64 0 })
+  store %S.lexer.Token %t90, ptr %a91
+  call void @finch.drop.S_lexer_Token(ptr %a91)
+  %t92 = load %S.ast.Node, ptr %a57
+  store %S.ast.Node %t92, ptr %a93
+  call void @finch.copy.S_ast_Node(ptr %a94, ptr %a93)
+  %t95 = load %S.ast.Node, ptr %a94
+  %t96 = load %S.ast.Node, ptr %a4
+  store %S.ast.Node %t95, ptr %a4
+  store %S.ast.Node %t96, ptr %a97
+  call void @finch.drop.S_ast_Node(ptr %a97)
+  call void @finch.drop.S_ast_Node(ptr %a57)
+  br label %endif1789
+else1788:
+  %t98 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t98
+endif1789:
+  br label %endif1779
+endif1779:
+  br label %while.cond1774
+while.end1776:
+  %t99 = load %S.ast.Node, ptr %a4
+  ret %S.ast.Node %t99
 }
 
 define internal %S.ast.Node @finch.parser.parsePrimary(ptr %p0) {
@@ -18378,69 +20425,84 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca %S.lexer.Token, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca %S.ast.Node, align 16
-  %a46 = alloca %S.ast.Node, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.lexer.Token, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca %S.ast.Node, align 16
-  %a64 = alloca %S.ast.Node, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca %S.ast.Node, align 16
-  %a87 = alloca %S.ast.Node, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca %S.lexer.Token, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca %S.ast.Node, align 16
-  %a99 = alloca %S.ast.Node, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca %S.ast.Node, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.lexer.Token, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca %S.lexer.Token, align 16
+  %a122 = alloca %S.ast.Node, align 16
+  %a130 = alloca %S.lexer.Token, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca %S.lexer.Token, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca %S.ast.Node, align 16
-  %a203 = alloca %S.ast.Node, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca %S.lexer.Token, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca %S.lexer.Token, align 16
+  %a219 = alloca %S.lexer.Token, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca %S.lexer.Token, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca %S.ast.Node, align 16
-  %a265 = alloca %S.ast.Node, align 16
-  %a277 = alloca %S.ast.Node, align 16
-  %a278 = alloca %S.ast.Node, align 16
-  %a282 = alloca %S.ast.Node, align 16
-  %a283 = alloca %S.ast.Node, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca %S.ast.Node, align 16
-  %a299 = alloca %S.ast.Node, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca %S.lexer.Token, align 16
+  %a268 = alloca %S.ast.Type, align 16
+  %a283 = alloca %S.lexer.Token, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca %S.lexer.Token, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = call %S.lexer.Token @finch.parser.cur(ptr %t2)
   store %S.lexer.Token %t3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call %S.ast.Node @finch.parser.node(ptr %t5, { ptr, i64, i64 } { ptr @.str.992, i64 0, i64 0 })
+  %t6 = call %S.ast.Node @finch.parser.node(ptr %t5, { ptr, i64, i64 } { ptr @.str.997, i64 0, i64 0 })
   store %S.ast.Node %t6, ptr %a7
   %t8 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
@@ -18450,494 +20512,608 @@ entry:
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.993, i64 3, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.998, i64 3, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.from1740
-logic.from1740:
-  br i1 %t18, label %logic.end1742, label %logic.rhs1741
-logic.rhs1741:
+  br label %logic.from1794
+logic.from1794:
+  br i1 %t18, label %logic.end1796, label %logic.rhs1795
+logic.rhs1795:
   %t19 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.994, i64 5, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.999, i64 5, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend1743
-logic.rend1743:
-  br label %logic.end1742
-logic.end1742:
-  %t24 = phi i1 [ true, %logic.from1740 ], [ %t23, %logic.rend1743 ]
-  br label %logic.from1744
-logic.from1744:
-  br i1 %t24, label %logic.end1746, label %logic.rhs1745
-logic.rhs1745:
+  br label %logic.rend1797
+logic.rend1797:
+  br label %logic.end1796
+logic.end1796:
+  %t24 = phi i1 [ true, %logic.from1794 ], [ %t23, %logic.rend1797 ]
+  br label %logic.from1798
+logic.from1798:
+  br i1 %t24, label %logic.end1800, label %logic.rhs1799
+logic.rhs1799:
   %t25 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.995, i64 4, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1000, i64 4, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend1747
-logic.rend1747:
-  br label %logic.end1746
-logic.end1746:
-  %t30 = phi i1 [ true, %logic.from1744 ], [ %t29, %logic.rend1747 ]
-  br i1 %t30, label %then1748, label %endif1750
-then1748:
+  br label %logic.rend1801
+logic.rend1801:
+  br label %logic.end1800
+logic.end1800:
+  %t30 = phi i1 [ true, %logic.from1798 ], [ %t29, %logic.rend1801 ]
+  br i1 %t30, label %then1802, label %endif1804
+then1802:
   %t31 = load ptr, ptr %a1
   %t32 = call %S.lexer.Token @finch.parser.next(ptr %t31)
-  %t33 = load { ptr, i64, i64 }, ptr %a13
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } %t33, ptr %a35
-  call void @finch_str_copy(ptr %a36, ptr %a35)
-  %t37 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t37, ptr %t34
-  %t38 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  %t40 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
-  store { ptr, i64, i64 } %t39, ptr %a41
-  call void @finch_str_copy(ptr %a42, ptr %a41)
-  %t43 = load { ptr, i64, i64 }, ptr %a42
-  store { ptr, i64, i64 } %t43, ptr %t40
-  %t44 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t44, ptr %a45
-  call void @finch.copy.S_ast_Node(ptr %a46, ptr %a45)
-  %t47 = load %S.ast.Node, ptr %a46
-  ret %S.ast.Node %t47
-endif1750:
-  %t48 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.996, i64 6, i64 0 }, ptr %a50
-  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
-  %t52 = icmp ne i32 %t51, 0
-  br i1 %t52, label %then1751, label %endif1753
-then1751:
-  %t53 = load ptr, ptr %a1
-  %t54 = call %S.lexer.Token @finch.parser.next(ptr %t53)
-  %t55 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.997, i64 3, i64 0 }, ptr %t55
-  %t56 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
-  %t57 = load { ptr, i64, i64 }, ptr %t56
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
-  store { ptr, i64, i64 } %t57, ptr %a59
-  call void @finch_str_copy(ptr %a60, ptr %a59)
-  %t61 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t61, ptr %t58
-  %t62 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t62, ptr %a63
-  call void @finch.copy.S_ast_Node(ptr %a64, ptr %a63)
-  %t65 = load %S.ast.Node, ptr %a64
-  ret %S.ast.Node %t65
-endif1753:
-  %t66 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.998, i64 4, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp ne i32 %t69, 0
-  br label %logic.from1754
-logic.from1754:
-  br i1 %t70, label %logic.end1756, label %logic.rhs1755
-logic.rhs1755:
-  %t71 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t71, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.999, i64 5, i64 0 }, ptr %a73
-  %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
-  %t75 = icmp ne i32 %t74, 0
-  br label %logic.rend1757
-logic.rend1757:
-  br label %logic.end1756
-logic.end1756:
-  %t76 = phi i1 [ true, %logic.from1754 ], [ %t75, %logic.rend1757 ]
-  br i1 %t76, label %then1758, label %endif1760
-then1758:
-  %t77 = load ptr, ptr %a1
-  %t78 = call %S.lexer.Token @finch.parser.next(ptr %t77)
-  %t79 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1000, i64 4, i64 0 }, ptr %t79
-  %t80 = load { ptr, i64, i64 }, ptr %a13
-  %t81 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
-  store { ptr, i64, i64 } %t80, ptr %a82
-  call void @finch_str_copy(ptr %a83, ptr %a82)
-  %t84 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t84, ptr %t81
-  %t85 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t85, ptr %a86
-  call void @finch.copy.S_ast_Node(ptr %a87, ptr %a86)
-  %t88 = load %S.ast.Node, ptr %a87
-  ret %S.ast.Node %t88
-endif1760:
-  %t89 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1001, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then1761, label %endif1763
-then1761:
-  %t94 = load ptr, ptr %a1
-  %t95 = call %S.lexer.Token @finch.parser.next(ptr %t94)
-  %t96 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1002, i64 4, i64 0 }, ptr %t96
-  %t97 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t97, ptr %a98
-  call void @finch.copy.S_ast_Node(ptr %a99, ptr %a98)
-  %t100 = load %S.ast.Node, ptr %a99
-  ret %S.ast.Node %t100
-endif1763:
-  %t101 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.1003, i64 1, i64 0 }, ptr %a103
-  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
-  %t105 = icmp ne i32 %t104, 0
-  br i1 %t105, label %then1764, label %endif1766
-then1764:
-  %t106 = load ptr, ptr %a1
-  %t107 = call %S.lexer.Token @finch.parser.next(ptr %t106)
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic1767, label %ok1768
-panic1767:
-  call void @finch_panic(ptr @.str.1004, i64 715, ptr @.str.1005)
+  store %S.lexer.Token %t32, ptr %a33
+  call void @finch.drop.S_lexer_Token(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a13
+  %t35 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  store { ptr, i64, i64 } %t34, ptr %a36
+  call void @finch_str_copy(ptr %a37, ptr %a36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  %t39 = load { ptr, i64, i64 }, ptr %t35
+  store { ptr, i64, i64 } %t38, ptr %t35
+  store { ptr, i64, i64 } %t39, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  %t43 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
+  store { ptr, i64, i64 } %t42, ptr %a44
+  call void @finch_str_copy(ptr %a45, ptr %a44)
+  %t46 = load { ptr, i64, i64 }, ptr %a45
+  %t47 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } %t46, ptr %t43
+  store { ptr, i64, i64 } %t47, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t49
+endif1804:
+  %t50 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.1001, i64 6, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %then1805, label %endif1807
+then1805:
+  %t55 = load ptr, ptr %a1
+  %t56 = call %S.lexer.Token @finch.parser.next(ptr %t55)
+  store %S.lexer.Token %t56, ptr %a57
+  call void @finch.drop.S_lexer_Token(ptr %a57)
+  %t58 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t59 = load { ptr, i64, i64 }, ptr %t58
+  store { ptr, i64, i64 } { ptr @.str.1002, i64 3, i64 0 }, ptr %t58
+  store { ptr, i64, i64 } %t59, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  %t63 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
+  store { ptr, i64, i64 } %t62, ptr %a64
+  call void @finch_str_copy(ptr %a65, ptr %a64)
+  %t66 = load { ptr, i64, i64 }, ptr %a65
+  %t67 = load { ptr, i64, i64 }, ptr %t63
+  store { ptr, i64, i64 } %t66, ptr %t63
+  store { ptr, i64, i64 } %t67, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t69
+endif1807:
+  %t70 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t70, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.1003, i64 4, i64 0 }, ptr %a72
+  %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
+  %t74 = icmp ne i32 %t73, 0
+  br label %logic.from1808
+logic.from1808:
+  br i1 %t74, label %logic.end1810, label %logic.rhs1809
+logic.rhs1809:
+  %t75 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t75, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.1004, i64 5, i64 0 }, ptr %a77
+  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
+  %t79 = icmp ne i32 %t78, 0
+  br label %logic.rend1811
+logic.rend1811:
+  br label %logic.end1810
+logic.end1810:
+  %t80 = phi i1 [ true, %logic.from1808 ], [ %t79, %logic.rend1811 ]
+  br i1 %t80, label %then1812, label %endif1814
+then1812:
+  %t81 = load ptr, ptr %a1
+  %t82 = call %S.lexer.Token @finch.parser.next(ptr %t81)
+  store %S.lexer.Token %t82, ptr %a83
+  call void @finch.drop.S_lexer_Token(ptr %a83)
+  %t84 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t85 = load { ptr, i64, i64 }, ptr %t84
+  store { ptr, i64, i64 } { ptr @.str.1005, i64 4, i64 0 }, ptr %t84
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a13
+  %t88 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 4
+  store { ptr, i64, i64 } %t87, ptr %a89
+  call void @finch_str_copy(ptr %a90, ptr %a89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  %t92 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t91, ptr %t88
+  store { ptr, i64, i64 } %t92, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t94
+endif1814:
+  %t95 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.1006, i64 4, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br i1 %t99, label %then1815, label %endif1817
+then1815:
+  %t100 = load ptr, ptr %a1
+  %t101 = call %S.lexer.Token @finch.parser.next(ptr %t100)
+  store %S.lexer.Token %t101, ptr %a102
+  call void @finch.drop.S_lexer_Token(ptr %a102)
+  %t103 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  store { ptr, i64, i64 } { ptr @.str.1007, i64 4, i64 0 }, ptr %t103
+  store { ptr, i64, i64 } %t104, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t106
+endif1817:
+  %t107 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t107, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.1008, i64 1, i64 0 }, ptr %a109
+  %t110 = call i32 @finch_str_eq(ptr %a108, ptr %a109)
+  %t111 = icmp ne i32 %t110, 0
+  br i1 %t111, label %then1818, label %endif1820
+then1818:
+  %t112 = load ptr, ptr %a1
+  %t113 = call %S.lexer.Token @finch.parser.next(ptr %t112)
+  store %S.lexer.Token %t113, ptr %a114
+  call void @finch.drop.S_lexer_Token(ptr %a114)
+  %t115 = load ptr, ptr %a1
+  %t116 = icmp eq ptr %t115, null
+  br i1 %t116, label %panic1821, label %ok1822
+panic1821:
+  call void @finch_panic(ptr @.str.1009, i64 715, ptr @.str.1010)
   unreachable
-ok1768:
-  %t110 = getelementptr inbounds %S.parser.Parser, ptr %t108, i32 0, i32 2
-  %t111 = load i64, ptr %t110
-  %t112 = add i64 %t111, 1
-  store i64 %t112, ptr %t110
-  %t113 = load ptr, ptr %a1
-  %t114 = call %S.ast.Node @finch.parser.parseExpr(ptr %t113)
-  store %S.ast.Node %t114, ptr %a115
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic1769, label %ok1770
-panic1769:
-  call void @finch_panic(ptr @.str.1006, i64 717, ptr @.str.1007)
+ok1822:
+  %t117 = getelementptr inbounds %S.parser.Parser, ptr %t115, i32 0, i32 2
+  %t118 = load i64, ptr %t117
+  %t119 = add i64 %t118, 1
+  store i64 %t119, ptr %t117
+  %t120 = load ptr, ptr %a1
+  %t121 = call %S.ast.Node @finch.parser.parseExpr(ptr %t120)
+  store %S.ast.Node %t121, ptr %a122
+  %t123 = load ptr, ptr %a1
+  %t124 = icmp eq ptr %t123, null
+  br i1 %t124, label %panic1823, label %ok1824
+panic1823:
+  call void @finch_panic(ptr @.str.1011, i64 717, ptr @.str.1012)
   unreachable
-ok1770:
-  %t118 = getelementptr inbounds %S.parser.Parser, ptr %t116, i32 0, i32 2
-  %t119 = load i64, ptr %t118
-  %t120 = sub i64 %t119, 1
-  store i64 %t120, ptr %t118
-  %t121 = load ptr, ptr %a1
-  %t122 = call %S.lexer.Token @finch.parser.expect(ptr %t121, { ptr, i64, i64 } { ptr @.str.1008, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1009, i64 3, i64 0 })
-  %t123 = load %S.ast.Node, ptr %a115
-  ret %S.ast.Node %t123
-endif1766:
-  %t124 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.1010, i64 5, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br i1 %t128, label %then1771, label %endif1773
-then1771:
-  %t129 = load ptr, ptr %a1
-  %t130 = call %S.ast.Node @finch.parser.parseMatch(ptr %t129, i1 true)
-  ret %S.ast.Node %t130
-endif1773:
-  %t131 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t131, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.1011, i64 1, i64 0 }, ptr %a133
-  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
-  %t135 = icmp ne i32 %t134, 0
-  br i1 %t135, label %then1774, label %endif1776
-then1774:
-  %t136 = load ptr, ptr %a1
-  %t137 = call %S.lexer.Token @finch.parser.next(ptr %t136)
-  %t138 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1012, i64 5, i64 0 }, ptr %t138
-  %t139 = load ptr, ptr %a1
-  %t140 = icmp eq ptr %t139, null
-  br i1 %t140, label %panic1777, label %ok1778
-panic1777:
-  call void @finch_panic(ptr @.str.1013, i64 727, ptr @.str.1014)
-  unreachable
-ok1778:
-  %t141 = getelementptr inbounds %S.parser.Parser, ptr %t139, i32 0, i32 2
-  %t142 = load i64, ptr %t141
-  %t143 = add i64 %t142, 1
-  store i64 %t143, ptr %t141
+ok1824:
+  %t125 = getelementptr inbounds %S.parser.Parser, ptr %t123, i32 0, i32 2
+  %t126 = load i64, ptr %t125
+  %t127 = sub i64 %t126, 1
+  store i64 %t127, ptr %t125
+  %t128 = load ptr, ptr %a1
+  %t129 = call %S.lexer.Token @finch.parser.expect(ptr %t128, { ptr, i64, i64 } { ptr @.str.1013, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1014, i64 3, i64 0 })
+  store %S.lexer.Token %t129, ptr %a130
+  call void @finch.drop.S_lexer_Token(ptr %a130)
+  %t131 = load %S.ast.Node, ptr %a122
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_ast_Node(ptr %a7)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t131
+endif1820:
+  %t132 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t132, ptr %a133
+  store { ptr, i64, i64 } { ptr @.str.1015, i64 5, i64 0 }, ptr %a134
+  %t135 = call i32 @finch_str_eq(ptr %a133, ptr %a134)
+  %t136 = icmp ne i32 %t135, 0
+  br i1 %t136, label %then1825, label %endif1827
+then1825:
+  %t137 = load ptr, ptr %a1
+  %t138 = call %S.ast.Node @finch.parser.parseMatch(ptr %t137, i1 true)
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_ast_Node(ptr %a7)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t138
+endif1827:
+  %t139 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t139, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.1016, i64 1, i64 0 }, ptr %a141
+  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
+  %t143 = icmp ne i32 %t142, 0
+  br i1 %t143, label %then1828, label %endif1830
+then1828:
   %t144 = load ptr, ptr %a1
-  %t145 = call i1 @finch.parser.at(ptr %t144, { ptr, i64, i64 } { ptr @.str.1015, i64 1, i64 0 })
-  br label %logic.from1779
-logic.from1779:
-  br i1 %t145, label %logic.rhs1780, label %logic.end1781
-logic.rhs1780:
-  %t146 = load ptr, ptr %a1
-  %t147 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t146, i64 1)
-  store { ptr, i64, i64 } %t147, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.1016, i64 1, i64 0 }, ptr %a149
-  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
-  %t151 = icmp ne i32 %t150, 0
-  br label %logic.rend1782
-logic.rend1782:
-  br label %logic.end1781
-logic.end1781:
-  %t152 = phi i1 [ false, %logic.from1779 ], [ %t151, %logic.rend1782 ]
-  br i1 %t152, label %then1783, label %endif1785
-then1783:
-  %t153 = load ptr, ptr %a1
-  %t154 = call %S.lexer.Token @finch.parser.next(ptr %t153)
-  %t155 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1017, i64 3, i64 0 }, ptr %t155
-  br label %endif1785
-endif1785:
-  br label %while.cond1786
-while.cond1786:
-  %t156 = load ptr, ptr %a1
-  %t157 = call i1 @finch.parser.at(ptr %t156, { ptr, i64, i64 } { ptr @.str.1018, i64 1, i64 0 })
-  %t158 = xor i1 %t157, true
-  br i1 %t158, label %while.body1787, label %while.end1788
-while.body1787:
-  %t159 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %t159, i32 0, i32 1
-  %t161 = load ptr, ptr %a1
-  %t162 = call %S.ast.Node @finch.parser.parseExpr(ptr %t161)
-  %t163 = load i64, ptr %t160
-  %t164 = add i64 %t163, 1
-  call void @finch_arr_reserve(ptr %t159, i64 %t164, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t165 = load ptr, ptr %t159
-  %t166 = getelementptr inbounds %S.ast.Node, ptr %t165, i64 %t163
-  store %S.ast.Node %t162, ptr %t166
-  store i64 %t164, ptr %t160
-  %t167 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
-  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
-  %t169 = load i64, ptr %t168
-  %t170 = icmp eq i64 %t169, 1
-  br label %logic.from1789
-logic.from1789:
-  br i1 %t170, label %logic.rhs1790, label %logic.end1791
-logic.rhs1790:
+  %t145 = call %S.lexer.Token @finch.parser.next(ptr %t144)
+  store %S.lexer.Token %t145, ptr %a146
+  call void @finch.drop.S_lexer_Token(ptr %a146)
+  %t147 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  store { ptr, i64, i64 } { ptr @.str.1017, i64 5, i64 0 }, ptr %t147
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load ptr, ptr %a1
+  %t151 = icmp eq ptr %t150, null
+  br i1 %t151, label %panic1831, label %ok1832
+panic1831:
+  call void @finch_panic(ptr @.str.1018, i64 727, ptr @.str.1019)
+  unreachable
+ok1832:
+  %t152 = getelementptr inbounds %S.parser.Parser, ptr %t150, i32 0, i32 2
+  %t153 = load i64, ptr %t152
+  %t154 = add i64 %t153, 1
+  store i64 %t154, ptr %t152
+  %t155 = load ptr, ptr %a1
+  %t156 = call i1 @finch.parser.at(ptr %t155, { ptr, i64, i64 } { ptr @.str.1020, i64 1, i64 0 })
+  br label %logic.from1833
+logic.from1833:
+  br i1 %t156, label %logic.rhs1834, label %logic.end1835
+logic.rhs1834:
+  %t157 = load ptr, ptr %a1
+  %t158 = call { ptr, i64, i64 } @finch.parser.peekKind(ptr %t157, i64 1)
+  store { ptr, i64, i64 } %t158, ptr %a159
+  store { ptr, i64, i64 } { ptr @.str.1021, i64 1, i64 0 }, ptr %a160
+  %t161 = call i32 @finch_str_eq(ptr %a159, ptr %a160)
+  %t162 = icmp ne i32 %t161, 0
+  store { ptr, i64, i64 } %t158, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  br label %logic.rend1836
+logic.rend1836:
+  br label %logic.end1835
+logic.end1835:
+  %t164 = phi i1 [ false, %logic.from1833 ], [ %t162, %logic.rend1836 ]
+  br i1 %t164, label %then1837, label %endif1839
+then1837:
+  %t165 = load ptr, ptr %a1
+  %t166 = call %S.lexer.Token @finch.parser.next(ptr %t165)
+  store %S.lexer.Token %t166, ptr %a167
+  call void @finch.drop.S_lexer_Token(ptr %a167)
+  %t168 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t169 = load { ptr, i64, i64 }, ptr %t168
+  store { ptr, i64, i64 } { ptr @.str.1022, i64 3, i64 0 }, ptr %t168
+  store { ptr, i64, i64 } %t169, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  br label %endif1839
+endif1839:
+  br label %while.cond1840
+while.cond1840:
   %t171 = load ptr, ptr %a1
-  %t172 = call i1 @finch.parser.at(ptr %t171, { ptr, i64, i64 } { ptr @.str.1019, i64 1, i64 0 })
-  br label %logic.rend1792
-logic.rend1792:
-  br label %logic.end1791
-logic.end1791:
-  %t173 = phi i1 [ false, %logic.from1789 ], [ %t172, %logic.rend1792 ]
-  br i1 %t173, label %then1793, label %endif1795
-then1793:
-  %t174 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1020, i64 3, i64 0 }, ptr %t174
-  br label %endif1795
-endif1795:
-  %t175 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  store { ptr, i64, i64 } %t176, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.1021, i64 3, i64 0 }, ptr %a178
-  %t179 = call i32 @finch_str_eq(ptr %a177, ptr %a178)
-  %t180 = icmp ne i32 %t179, 0
-  br i1 %t180, label %then1796, label %endif1798
-then1796:
-  %t181 = load ptr, ptr %a1
-  %t182 = call %S.lexer.Token @finch.parser.expect(ptr %t181, { ptr, i64, i64 } { ptr @.str.1022, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1023, i64 41, i64 0 })
-  %t183 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
-  %t184 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i32 0, i32 1
-  %t185 = load ptr, ptr %a1
-  %t186 = call %S.ast.Node @finch.parser.parseExpr(ptr %t185)
-  %t187 = load i64, ptr %t184
-  %t188 = add i64 %t187, 1
-  call void @finch_arr_reserve(ptr %t183, i64 %t188, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t189 = load ptr, ptr %t183
-  %t190 = getelementptr inbounds %S.ast.Node, ptr %t189, i64 %t187
-  store %S.ast.Node %t186, ptr %t190
-  store i64 %t188, ptr %t184
-  br label %endif1798
-endif1798:
-  %t191 = load ptr, ptr %a1
-  %t192 = call i1 @finch.parser.accept(ptr %t191, { ptr, i64, i64 } { ptr @.str.1024, i64 1, i64 0 })
-  %t193 = xor i1 %t192, true
-  br i1 %t193, label %then1799, label %endif1801
-then1799:
-  br label %while.end1788
-endif1801:
-  br label %while.cond1786
-while.end1788:
-  %t194 = load ptr, ptr %a1
-  %t195 = icmp eq ptr %t194, null
-  br i1 %t195, label %panic1802, label %ok1803
-panic1802:
-  call void @finch_panic(ptr @.str.1025, i64 745, ptr @.str.1026)
+  %t172 = call i1 @finch.parser.at(ptr %t171, { ptr, i64, i64 } { ptr @.str.1023, i64 1, i64 0 })
+  %t173 = xor i1 %t172, true
+  br i1 %t173, label %while.body1841, label %while.end1842
+while.body1841:
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
+  %t175 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i32 0, i32 1
+  %t176 = load ptr, ptr %a1
+  %t177 = call %S.ast.Node @finch.parser.parseExpr(ptr %t176)
+  %t178 = load i64, ptr %t175
+  %t179 = add i64 %t178, 1
+  call void @finch_arr_reserve(ptr %t174, i64 %t179, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t180 = load ptr, ptr %t174
+  %t181 = getelementptr inbounds %S.ast.Node, ptr %t180, i64 %t178
+  store %S.ast.Node %t177, ptr %t181
+  store i64 %t179, ptr %t175
+  %t182 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
+  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i32 0, i32 1
+  %t184 = load i64, ptr %t183
+  %t185 = icmp eq i64 %t184, 1
+  br label %logic.from1843
+logic.from1843:
+  br i1 %t185, label %logic.rhs1844, label %logic.end1845
+logic.rhs1844:
+  %t186 = load ptr, ptr %a1
+  %t187 = call i1 @finch.parser.at(ptr %t186, { ptr, i64, i64 } { ptr @.str.1024, i64 1, i64 0 })
+  br label %logic.rend1846
+logic.rend1846:
+  br label %logic.end1845
+logic.end1845:
+  %t188 = phi i1 [ false, %logic.from1843 ], [ %t187, %logic.rend1846 ]
+  br i1 %t188, label %then1847, label %endif1849
+then1847:
+  %t189 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  store { ptr, i64, i64 } { ptr @.str.1025, i64 3, i64 0 }, ptr %t189
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  br label %endif1849
+endif1849:
+  %t192 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  store { ptr, i64, i64 } %t193, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.1026, i64 3, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br i1 %t197, label %then1850, label %endif1852
+then1850:
+  %t198 = load ptr, ptr %a1
+  %t199 = call %S.lexer.Token @finch.parser.expect(ptr %t198, { ptr, i64, i64 } { ptr @.str.1027, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1028, i64 41, i64 0 })
+  store %S.lexer.Token %t199, ptr %a200
+  call void @finch.drop.S_lexer_Token(ptr %a200)
+  %t201 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 9
+  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i32 0, i32 1
+  %t203 = load ptr, ptr %a1
+  %t204 = call %S.ast.Node @finch.parser.parseExpr(ptr %t203)
+  %t205 = load i64, ptr %t202
+  %t206 = add i64 %t205, 1
+  call void @finch_arr_reserve(ptr %t201, i64 %t206, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t207 = load ptr, ptr %t201
+  %t208 = getelementptr inbounds %S.ast.Node, ptr %t207, i64 %t205
+  store %S.ast.Node %t204, ptr %t208
+  store i64 %t206, ptr %t202
+  br label %endif1852
+endif1852:
+  %t209 = load ptr, ptr %a1
+  %t210 = call i1 @finch.parser.accept(ptr %t209, { ptr, i64, i64 } { ptr @.str.1029, i64 1, i64 0 })
+  %t211 = xor i1 %t210, true
+  br i1 %t211, label %then1853, label %endif1855
+then1853:
+  br label %while.end1842
+endif1855:
+  br label %while.cond1840
+while.end1842:
+  %t212 = load ptr, ptr %a1
+  %t213 = icmp eq ptr %t212, null
+  br i1 %t213, label %panic1856, label %ok1857
+panic1856:
+  call void @finch_panic(ptr @.str.1030, i64 745, ptr @.str.1031)
   unreachable
-ok1803:
-  %t196 = getelementptr inbounds %S.parser.Parser, ptr %t194, i32 0, i32 2
-  %t197 = load i64, ptr %t196
-  %t198 = sub i64 %t197, 1
-  store i64 %t198, ptr %t196
-  %t199 = load ptr, ptr %a1
-  %t200 = call %S.lexer.Token @finch.parser.expect(ptr %t199, { ptr, i64, i64 } { ptr @.str.1027, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1028, i64 3, i64 0 })
-  %t201 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t201, ptr %a202
-  call void @finch.copy.S_ast_Node(ptr %a203, ptr %a202)
-  %t204 = load %S.ast.Node, ptr %a203
-  ret %S.ast.Node %t204
-endif1776:
-  %t205 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t205, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.1029, i64 5, i64 0 }, ptr %a207
-  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
-  %t209 = icmp ne i32 %t208, 0
-  br i1 %t209, label %then1804, label %endif1806
-then1804:
-  %t210 = load ptr, ptr %a1
-  %t211 = call %S.lexer.Token @finch.parser.next(ptr %t210)
-  %t212 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
-  %t213 = load { ptr, i64, i64 }, ptr %t212
-  %t214 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 1
-  store { ptr, i64, i64 } %t213, ptr %a215
-  call void @finch_str_copy(ptr %a216, ptr %a215)
-  %t217 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t217, ptr %t214
-  %t218 = load ptr, ptr %a1
-  %t219 = call i1 @finch.parser.at(ptr %t218, { ptr, i64, i64 } { ptr @.str.1030, i64 1, i64 0 })
-  br label %logic.from1807
-logic.from1807:
-  br i1 %t219, label %logic.rhs1808, label %logic.end1809
-logic.rhs1808:
-  %t220 = load ptr, ptr %a1
-  %t221 = icmp eq ptr %t220, null
-  br i1 %t221, label %panic1810, label %ok1811
-panic1810:
-  call void @finch_panic(ptr @.str.1031, i64 752, ptr @.str.1032)
+ok1857:
+  %t214 = getelementptr inbounds %S.parser.Parser, ptr %t212, i32 0, i32 2
+  %t215 = load i64, ptr %t214
+  %t216 = sub i64 %t215, 1
+  store i64 %t216, ptr %t214
+  %t217 = load ptr, ptr %a1
+  %t218 = call %S.lexer.Token @finch.parser.expect(ptr %t217, { ptr, i64, i64 } { ptr @.str.1032, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1033, i64 3, i64 0 })
+  store %S.lexer.Token %t218, ptr %a219
+  call void @finch.drop.S_lexer_Token(ptr %a219)
+  %t220 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t220
+endif1830:
+  %t221 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t221, ptr %a222
+  store { ptr, i64, i64 } { ptr @.str.1034, i64 5, i64 0 }, ptr %a223
+  %t224 = call i32 @finch_str_eq(ptr %a222, ptr %a223)
+  %t225 = icmp ne i32 %t224, 0
+  br i1 %t225, label %then1858, label %endif1860
+then1858:
+  %t226 = load ptr, ptr %a1
+  %t227 = call %S.lexer.Token @finch.parser.next(ptr %t226)
+  store %S.lexer.Token %t227, ptr %a228
+  call void @finch.drop.S_lexer_Token(ptr %a228)
+  %t229 = getelementptr inbounds %S.lexer.Token, ptr %a4, i32 0, i32 1
+  %t230 = load { ptr, i64, i64 }, ptr %t229
+  %t231 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 1
+  store { ptr, i64, i64 } %t230, ptr %a232
+  call void @finch_str_copy(ptr %a233, ptr %a232)
+  %t234 = load { ptr, i64, i64 }, ptr %a233
+  %t235 = load { ptr, i64, i64 }, ptr %t231
+  store { ptr, i64, i64 } %t234, ptr %t231
+  store { ptr, i64, i64 } %t235, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load ptr, ptr %a1
+  %t238 = call i1 @finch.parser.at(ptr %t237, { ptr, i64, i64 } { ptr @.str.1035, i64 1, i64 0 })
+  br label %logic.from1861
+logic.from1861:
+  br i1 %t238, label %logic.rhs1862, label %logic.end1863
+logic.rhs1862:
+  %t239 = load ptr, ptr %a1
+  %t240 = icmp eq ptr %t239, null
+  br i1 %t240, label %panic1864, label %ok1865
+panic1864:
+  call void @finch_panic(ptr @.str.1036, i64 752, ptr @.str.1037)
   unreachable
-ok1811:
-  %t222 = getelementptr inbounds %S.parser.Parser, ptr %t220, i32 0, i32 0
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic1812, label %ok1813
-panic1812:
-  call void @finch_panic(ptr @.str.1033, i64 752, ptr @.str.1034)
+ok1865:
+  %t241 = getelementptr inbounds %S.parser.Parser, ptr %t239, i32 0, i32 0
+  %t242 = load ptr, ptr %a1
+  %t243 = icmp eq ptr %t242, null
+  br i1 %t243, label %panic1866, label %ok1867
+panic1866:
+  call void @finch_panic(ptr @.str.1038, i64 752, ptr @.str.1039)
   unreachable
-ok1813:
-  %t225 = getelementptr inbounds %S.parser.Parser, ptr %t223, i32 0, i32 1
-  %t226 = load i64, ptr %t225
-  %t227 = sub i64 %t226, 1
-  %t228 = load { ptr, i64, i64 }, ptr %t222
-  %t229 = extractvalue { ptr, i64, i64 } %t228, 1
-  %t230 = icmp uge i64 %t227, %t229
-  br i1 %t230, label %range1814, label %inrange1815
-range1814:
-  call void @finch_panic_index(ptr @.str.1035, i64 752, i64 %t227, i64 %t229)
+ok1867:
+  %t244 = getelementptr inbounds %S.parser.Parser, ptr %t242, i32 0, i32 1
+  %t245 = load i64, ptr %t244
+  %t246 = sub i64 %t245, 1
+  %t247 = load { ptr, i64, i64 }, ptr %t241
+  %t248 = extractvalue { ptr, i64, i64 } %t247, 1
+  %t249 = icmp uge i64 %t246, %t248
+  br i1 %t249, label %range1868, label %inrange1869
+range1868:
+  call void @finch_panic_index(ptr @.str.1040, i64 752, i64 %t246, i64 %t248)
   unreachable
-inrange1815:
-  %t231 = extractvalue { ptr, i64, i64 } %t228, 0
-  %t232 = getelementptr inbounds %S.lexer.Token, ptr %t231, i64 %t227
-  %t233 = getelementptr inbounds %S.lexer.Token, ptr %t232, i32 0, i32 0
-  %t234 = load { ptr, i64, i64 }, ptr %t233
-  store { ptr, i64, i64 } %t234, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.1036, i64 5, i64 0 }, ptr %a236
-  %t237 = call i32 @finch_str_eq(ptr %a235, ptr %a236)
-  %t238 = icmp ne i32 %t237, 0
-  br label %logic.rend1816
-logic.rend1816:
-  br label %logic.end1809
-logic.end1809:
-  %t239 = phi i1 [ false, %logic.from1807 ], [ %t238, %logic.rend1816 ]
-  br label %logic.from1817
-logic.from1817:
-  br i1 %t239, label %logic.rhs1818, label %logic.end1819
-logic.rhs1818:
-  %t240 = load ptr, ptr %a1
-  %t241 = call i1 @finch.parser.genericCallAheadFrom(ptr %t240)
-  br label %logic.rend1820
-logic.rend1820:
-  br label %logic.end1819
-logic.end1819:
-  %t242 = phi i1 [ false, %logic.from1817 ], [ %t241, %logic.rend1820 ]
-  br i1 %t242, label %then1821, label %endif1823
-then1821:
-  %t243 = load ptr, ptr %a1
-  %t244 = call %S.lexer.Token @finch.parser.next(ptr %t243)
-  %t245 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1037, i64 5, i64 0 }, 0
-  %t246 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
-  store %S.ast.Type %t245, ptr %t246
-  br label %while.cond1824
-while.cond1824:
-  br label %while.body1825
-while.body1825:
-  %t247 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
-  %t248 = getelementptr inbounds %S.ast.Type, ptr %t247, i32 0, i32 1
-  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
-  %t250 = load ptr, ptr %a1
-  %t251 = call %S.ast.Type @finch.parser.parseType(ptr %t250)
-  %t252 = load i64, ptr %t249
-  %t253 = add i64 %t252, 1
-  call void @finch_arr_reserve(ptr %t248, i64 %t253, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t254 = load ptr, ptr %t248
-  %t255 = getelementptr inbounds %S.ast.Type, ptr %t254, i64 %t252
-  store %S.ast.Type %t251, ptr %t255
-  store i64 %t253, ptr %t249
-  %t256 = load ptr, ptr %a1
-  %t257 = call i1 @finch.parser.accept(ptr %t256, { ptr, i64, i64 } { ptr @.str.1038, i64 1, i64 0 })
-  %t258 = xor i1 %t257, true
-  br i1 %t258, label %then1827, label %endif1829
-then1827:
-  br label %while.end1826
-endif1829:
-  br label %while.cond1824
-while.end1826:
+inrange1869:
+  %t250 = extractvalue { ptr, i64, i64 } %t247, 0
+  %t251 = getelementptr inbounds %S.lexer.Token, ptr %t250, i64 %t246
+  %t252 = getelementptr inbounds %S.lexer.Token, ptr %t251, i32 0, i32 0
+  %t253 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } %t253, ptr %a254
+  store { ptr, i64, i64 } { ptr @.str.1041, i64 5, i64 0 }, ptr %a255
+  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
+  %t257 = icmp ne i32 %t256, 0
+  br label %logic.rend1870
+logic.rend1870:
+  br label %logic.end1863
+logic.end1863:
+  %t258 = phi i1 [ false, %logic.from1861 ], [ %t257, %logic.rend1870 ]
+  br label %logic.from1871
+logic.from1871:
+  br i1 %t258, label %logic.rhs1872, label %logic.end1873
+logic.rhs1872:
   %t259 = load ptr, ptr %a1
-  %t260 = call %S.lexer.Token @finch.parser.expect(ptr %t259, { ptr, i64, i64 } { ptr @.str.1039, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1040, i64 28, i64 0 })
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1041, i64 4, i64 0 }, ptr %t261
+  %t260 = call i1 @finch.parser.genericCallAheadFrom(ptr %t259)
+  br label %logic.rend1874
+logic.rend1874:
+  br label %logic.end1873
+logic.end1873:
+  %t261 = phi i1 [ false, %logic.from1871 ], [ %t260, %logic.rend1874 ]
+  br i1 %t261, label %then1875, label %endif1877
+then1875:
   %t262 = load ptr, ptr %a1
-  call void @finch.parser.parseArgs(ptr %t262, ptr %a7)
-  %t263 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t263, ptr %a264
-  call void @finch.copy.S_ast_Node(ptr %a265, ptr %a264)
-  %t266 = load %S.ast.Node, ptr %a265
-  ret %S.ast.Node %t266
-endif1823:
-  %t267 = load ptr, ptr %a1
-  %t268 = call i1 @finch.parser.at(ptr %t267, { ptr, i64, i64 } { ptr @.str.1042, i64 1, i64 0 })
-  br label %logic.from1830
-logic.from1830:
-  br i1 %t268, label %logic.rhs1831, label %logic.end1832
-logic.rhs1831:
-  %t269 = load ptr, ptr %a1
-  %t270 = call %S.lexer.Token @finch.parser.cur(ptr %t269)
-  %t271 = extractvalue %S.lexer.Token %t270, 4
-  %t272 = xor i1 %t271, true
-  br label %logic.rend1833
-logic.rend1833:
-  br label %logic.end1832
-logic.end1832:
-  %t273 = phi i1 [ false, %logic.from1830 ], [ %t272, %logic.rend1833 ]
-  br i1 %t273, label %then1834, label %endif1836
-then1834:
-  %t274 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1043, i64 4, i64 0 }, ptr %t274
-  %t275 = load ptr, ptr %a1
-  call void @finch.parser.parseArgs(ptr %t275, ptr %a7)
-  %t276 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t276, ptr %a277
-  call void @finch.copy.S_ast_Node(ptr %a278, ptr %a277)
-  %t279 = load %S.ast.Node, ptr %a278
-  ret %S.ast.Node %t279
-endif1836:
-  %t280 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.1044, i64 3, i64 0 }, ptr %t280
-  %t281 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t281, ptr %a282
-  call void @finch.copy.S_ast_Node(ptr %a283, ptr %a282)
-  %t284 = load %S.ast.Node, ptr %a283
-  ret %S.ast.Node %t284
-endif1806:
-  %t285 = load ptr, ptr %a1
-  %t286 = load %S.lexer.Token, ptr %a4
-  %t287 = load %S.lexer.Token, ptr %a4
-  %t288 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t287)
-  store { ptr, i64, i64 } { ptr @.str.1045, i64 11, i64 0 }, ptr %a290
-  store { ptr, i64, i64 } %t288, ptr %a291
-  call void @finch_str_concat(ptr %a289, ptr %a290, ptr %a291)
-  %t292 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t292, ptr %a294
-  store { ptr, i64, i64 } { ptr @.str.1046, i64 19, i64 0 }, ptr %a295
-  call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
-  %t296 = load { ptr, i64, i64 }, ptr %a293
-  call void @finch.parser.fail(ptr %t285, %S.lexer.Token %t286, { ptr, i64, i64 } %t296)
-  %t297 = load %S.ast.Node, ptr %a7
-  store %S.ast.Node %t297, ptr %a298
-  call void @finch.copy.S_ast_Node(ptr %a299, ptr %a298)
-  %t300 = load %S.ast.Node, ptr %a299
-  ret %S.ast.Node %t300
+  %t263 = call %S.lexer.Token @finch.parser.next(ptr %t262)
+  store %S.lexer.Token %t263, ptr %a264
+  call void @finch.drop.S_lexer_Token(ptr %a264)
+  %t265 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1042, i64 5, i64 0 }, 0
+  %t266 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
+  %t267 = load %S.ast.Type, ptr %t266
+  store %S.ast.Type %t265, ptr %t266
+  store %S.ast.Type %t267, ptr %a268
+  call void @finch.drop.S_ast_Type(ptr %a268)
+  br label %while.cond1878
+while.cond1878:
+  br label %while.body1879
+while.body1879:
+  %t269 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 5
+  %t270 = getelementptr inbounds %S.ast.Type, ptr %t269, i32 0, i32 1
+  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t270, i32 0, i32 1
+  %t272 = load ptr, ptr %a1
+  %t273 = call %S.ast.Type @finch.parser.parseType(ptr %t272)
+  %t274 = load i64, ptr %t271
+  %t275 = add i64 %t274, 1
+  call void @finch_arr_reserve(ptr %t270, i64 %t275, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t276 = load ptr, ptr %t270
+  %t277 = getelementptr inbounds %S.ast.Type, ptr %t276, i64 %t274
+  store %S.ast.Type %t273, ptr %t277
+  store i64 %t275, ptr %t271
+  %t278 = load ptr, ptr %a1
+  %t279 = call i1 @finch.parser.accept(ptr %t278, { ptr, i64, i64 } { ptr @.str.1043, i64 1, i64 0 })
+  %t280 = xor i1 %t279, true
+  br i1 %t280, label %then1881, label %endif1883
+then1881:
+  br label %while.end1880
+endif1883:
+  br label %while.cond1878
+while.end1880:
+  %t281 = load ptr, ptr %a1
+  %t282 = call %S.lexer.Token @finch.parser.expect(ptr %t281, { ptr, i64, i64 } { ptr @.str.1044, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.1045, i64 28, i64 0 })
+  store %S.lexer.Token %t282, ptr %a283
+  call void @finch.drop.S_lexer_Token(ptr %a283)
+  %t284 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  store { ptr, i64, i64 } { ptr @.str.1046, i64 4, i64 0 }, ptr %t284
+  store { ptr, i64, i64 } %t285, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  %t287 = load ptr, ptr %a1
+  call void @finch.parser.parseArgs(ptr %t287, ptr %a7)
+  %t288 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t288
+endif1877:
+  %t289 = load ptr, ptr %a1
+  %t290 = call i1 @finch.parser.at(ptr %t289, { ptr, i64, i64 } { ptr @.str.1047, i64 1, i64 0 })
+  br label %logic.from1884
+logic.from1884:
+  br i1 %t290, label %logic.rhs1885, label %logic.end1886
+logic.rhs1885:
+  %t291 = load ptr, ptr %a1
+  %t292 = call %S.lexer.Token @finch.parser.cur(ptr %t291)
+  %t293 = extractvalue %S.lexer.Token %t292, 4
+  store %S.lexer.Token %t292, ptr %a294
+  call void @finch.drop.S_lexer_Token(ptr %a294)
+  %t295 = xor i1 %t293, true
+  br label %logic.rend1887
+logic.rend1887:
+  br label %logic.end1886
+logic.end1886:
+  %t296 = phi i1 [ false, %logic.from1884 ], [ %t295, %logic.rend1887 ]
+  br i1 %t296, label %then1888, label %endif1890
+then1888:
+  %t297 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t298 = load { ptr, i64, i64 }, ptr %t297
+  store { ptr, i64, i64 } { ptr @.str.1048, i64 4, i64 0 }, ptr %t297
+  store { ptr, i64, i64 } %t298, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  %t300 = load ptr, ptr %a1
+  call void @finch.parser.parseArgs(ptr %t300, ptr %a7)
+  %t301 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t301
+endif1890:
+  %t302 = getelementptr inbounds %S.ast.Node, ptr %a7, i32 0, i32 0
+  %t303 = load { ptr, i64, i64 }, ptr %t302
+  store { ptr, i64, i64 } { ptr @.str.1049, i64 3, i64 0 }, ptr %t302
+  store { ptr, i64, i64 } %t303, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t305
+endif1860:
+  %t306 = load ptr, ptr %a1
+  %t307 = load %S.lexer.Token, ptr %a4
+  %t308 = load %S.lexer.Token, ptr %a4
+  %t309 = call { ptr, i64, i64 } @finch.parser.describe(%S.lexer.Token %t308)
+  store { ptr, i64, i64 } { ptr @.str.1050, i64 11, i64 0 }, ptr %a311
+  store { ptr, i64, i64 } %t309, ptr %a312
+  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
+  store { ptr, i64, i64 } %t309, ptr %a313
+  call void @finch_str_drop(ptr %a313)
+  %t314 = load { ptr, i64, i64 }, ptr %a310
+  store { ptr, i64, i64 } %t314, ptr %a316
+  store { ptr, i64, i64 } { ptr @.str.1051, i64 19, i64 0 }, ptr %a317
+  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
+  store { ptr, i64, i64 } %t314, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a315
+  call void @finch.parser.fail(ptr %t306, %S.lexer.Token %t307, { ptr, i64, i64 } %t319)
+  store { ptr, i64, i64 } %t319, ptr %a320
+  call void @finch_str_drop(ptr %a320)
+  %t321 = load %S.ast.Node, ptr %a7
+  call void @finch_str_drop(ptr %a13)
+  call void @finch.drop.S_lexer_Token(ptr %a4)
+  ret %S.ast.Node %t321
+}
+
+define internal void @finch.copy.arr_S_lexer_Token(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lexer.Token, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond1891
+n.cond1891:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body1892, label %n.end1893
+n.body1892:
+  %t8 = getelementptr inbounds %S.lexer.Token, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lexer.Token, ptr %t2, i64 %t6
+  call void @finch.copy.S_lexer_Token(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond1891
+n.end1893:
+  ret void
+}
+
+define internal void @finch.drop.S_parser_Parser(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.parser.Parser, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_lexer_Token(ptr %t1)
+  %t2 = getelementptr inbounds %S.parser.Parser, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t2)
+  ret void
 }
 
 define internal %S.ast.Program @finch.parser.parse({ ptr, i64, i64 } %p0, i64 %p1, { ptr, i64, i64 } %p2) {
@@ -18969,6 +21145,7 @@ entry:
   %t17 = insertvalue %S.parser.Parser %t12, { ptr, i64, i64 } %t16, 4
   store %S.parser.Parser %t17, ptr %a18
   %t19 = call %S.ast.Program @finch.parser.parseProgram(ptr %a18)
+  call void @finch.drop.S_parser_Parser(ptr %a18)
   ret %S.ast.Program %t19
 }
 
@@ -18987,24 +21164,30 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1048, i64 1, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1049, i64 2, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1053, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1054, i64 2, i64 0 }, ptr %a6
   call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.1051, i64 1, i64 0 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1052, i64 2, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1056, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1057, i64 2, i64 0 }, ptr %a11
   call void @finch_str_replace(ptr %a9, ptr %a8, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.1054, i64 1, i64 0 }, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.1055, i64 1, i64 0 }, ptr %a16
-  call void @finch_str_replace(ptr %a14, ptr %a13, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  ret { ptr, i64, i64 } %t17
+  store { ptr, i64, i64 } %t7, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1059, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1060, i64 1, i64 0 }, ptr %a17
+  call void @finch_str_replace(ptr %a15, ptr %a14, ptr %a16, ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a15
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } %t18
 }
 
 define internal void @finch.gen.noteRef(ptr %p0, %S.ast.Node %p1, i64 %p2, i64 %p3, { ptr, i64, i64 } %p4, { ptr, i64, i64 } %p5, i64 %p6, i64 %p7) {
@@ -19023,50 +21206,70 @@ entry:
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -19077,134 +21280,174 @@ entry:
   store i64 %p7, ptr %a8
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic1837, label %ok1838
-panic1837:
-  call void @finch_panic(ptr @.str.1056, i64 195, ptr @.str.1057)
+  br i1 %t10, label %panic1894, label %ok1895
+panic1894:
+  call void @finch_panic(ptr @.str.1061, i64 215, ptr @.str.1062)
   unreachable
-ok1838:
-  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 26
+ok1895:
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 27
   %t12 = load i1, ptr %t11
   %t13 = xor i1 %t12, true
-  br i1 %t13, label %then1839, label %endif1841
-then1839:
+  br i1 %t13, label %then1896, label %endif1898
+then1896:
   ret void
-endif1841:
+endif1898:
   %t14 = load ptr, ptr %a1
   %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic1842, label %ok1843
-panic1842:
-  call void @finch_panic(ptr @.str.1058, i64 198, ptr @.str.1059)
+  br i1 %t15, label %panic1899, label %ok1900
+panic1899:
+  call void @finch_panic(ptr @.str.1063, i64 218, ptr @.str.1064)
   unreachable
-ok1843:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 27
+ok1900:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 28
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic1844, label %ok1845
-panic1844:
-  call void @finch_panic(ptr @.str.1061, i64 198, ptr @.str.1062)
+  br i1 %t19, label %panic1901, label %ok1902
+panic1901:
+  call void @finch_panic(ptr @.str.1066, i64 218, ptr @.str.1067)
   unreachable
-ok1845:
+ok1902:
   %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
   %t22 = load i64, ptr %t21
   %t23 = load { ptr, i64, i64 }, ptr %t20
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 %t22, %t24
-  br i1 %t25, label %range1846, label %inrange1847
-range1846:
-  call void @finch_panic_index(ptr @.str.1063, i64 198, i64 %t22, i64 %t24)
+  br i1 %t25, label %range1903, label %inrange1904
+range1903:
+  call void @finch_panic_index(ptr @.str.1068, i64 218, i64 %t22, i64 %t24)
   unreachable
-inrange1847:
+inrange1904:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i64 %t22
   %t28 = load { ptr, i64, i64 }, ptr %t27
-  store { ptr, i64, i64 } { ptr @.str.1060, i64 3, i64 0 }, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1065, i64 3, i64 0 }, ptr %a30
   store { ptr, i64, i64 } %t28, ptr %a31
   call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
   %t32 = load { ptr, i64, i64 }, ptr %a29
   store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.1064, i64 1, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1069, i64 1, i64 0 }, ptr %a35
   call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t38 = load i64, ptr %t37
-  call void @finch_str_from_int(ptr %a39, i64 %t38)
-  %t40 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t36, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1065, i64 1, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a50, i64 %t49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1066, i64 1, i64 0 }, ptr %a58
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t39 = load i64, ptr %t38
+  call void @finch_str_from_int(ptr %a40, i64 %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t37, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t37, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a42
+  store { ptr, i64, i64 } %t47, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.1070, i64 1, i64 0 }, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a54, i64 %t53)
+  %t55 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a57
+  store { ptr, i64, i64 } %t55, ptr %a58
   call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  %t60 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a61, i64 %t60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.1067, i64 1, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  %t71 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t70, ptr %a73
-  store { ptr, i64, i64 } %t71, ptr %a74
-  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
-  %t75 = load { ptr, i64, i64 }, ptr %a72
+  store { ptr, i64, i64 } %t52, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.1071, i64 1, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a68, i64 %t67)
+  %t69 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t66, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t66, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t69, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a70
   store { ptr, i64, i64 } %t75, ptr %a77
-  store { ptr, i64, i64 } { ptr @.str.1068, i64 1, i64 0 }, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.1072, i64 1, i64 0 }, ptr %a78
   call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  %t80 = load i64, ptr %a7
-  call void @finch_str_from_int(ptr %a81, i64 %t80)
-  %t82 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t80, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t80, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a82
   store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.1069, i64 1, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.1073, i64 1, i64 0 }, ptr %a89
   call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load i64, ptr %a8
-  call void @finch_str_from_int(ptr %a92, i64 %t91)
-  %t93 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.1070, i64 1, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load { ptr, i64, i64 }, ptr %a5
-  %t103 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t102)
-  store { ptr, i64, i64 } %t101, ptr %a105
-  store { ptr, i64, i64 } %t103, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  %t108 = load i64, ptr %t17
-  %t109 = add i64 %t108, 1
-  call void @finch_arr_reserve(ptr %t16, i64 %t109, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t110 = load ptr, ptr %t16
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i64 %t108
-  store { ptr, i64, i64 } %t107, ptr %t111
-  store i64 %t109, ptr %t17
+  store { ptr, i64, i64 } %t86, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a87
+  %t92 = load i64, ptr %a7
+  call void @finch_str_from_int(ptr %a93, i64 %t92)
+  %t94 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a96
+  store { ptr, i64, i64 } %t94, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t91, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  store { ptr, i64, i64 } %t94, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.1074, i64 1, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  %t106 = load i64, ptr %a8
+  call void @finch_str_from_int(ptr %a107, i64 %t106)
+  %t108 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t105, ptr %a110
+  store { ptr, i64, i64 } %t108, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t105, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.1075, i64 1, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load { ptr, i64, i64 }, ptr %a5
+  %t121 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t120)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t119, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  store { ptr, i64, i64 } %t121, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a122
+  %t128 = load i64, ptr %t17
+  %t129 = add i64 %t128, 1
+  call void @finch_arr_reserve(ptr %t16, i64 %t129, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t130 = load ptr, ptr %t16
+  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i64 %t128
+  store { ptr, i64, i64 } %t127, ptr %t131
+  store i64 %t129, ptr %t17
   ret void
 }
 
@@ -19216,241 +21459,290 @@ entry:
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   store %S.gen.FnSig %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   %t3 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 13
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i32 0, i32 1
   %t5 = load i64, ptr %t4
   store i64 0, ptr %a6
-  br label %for.cond1848
-for.cond1848:
+  br label %for.cond1905
+for.cond1905:
   %t7 = load i64, ptr %a6
   %t8 = icmp slt i64 %t7, %t5
-  br i1 %t8, label %for.body1849, label %for.end1851
-for.body1849:
+  br i1 %t8, label %for.body1906, label %for.end1908
+for.body1906:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t10 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 13
   %t11 = load i64, ptr %a6
   %t12 = load { ptr, i64, i64 }, ptr %t10
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range1852, label %inrange1853
-range1852:
-  call void @finch_panic_index(ptr @.str.1071, i64 205, i64 %t11, i64 %t13)
+  br i1 %t14, label %range1909, label %inrange1910
+range1909:
+  call void @finch_panic_index(ptr @.str.1076, i64 225, i64 %t11, i64 %t13)
   unreachable
-inrange1853:
+inrange1910:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 %t11
   %t17 = load %S.ast.Type, ptr %t16
   %t18 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t17)
   store { ptr, i64, i64 } %t18, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1072, i64 1, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1077, i64 1, i64 0 }, ptr %a21
   call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  %t23 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 14
-  %t24 = load i64, ptr %a6
-  %t25 = load { ptr, i64, i64 }, ptr %t23
-  %t26 = extractvalue { ptr, i64, i64 } %t25, 1
-  %t27 = icmp uge i64 %t24, %t26
-  br i1 %t27, label %range1854, label %inrange1855
-range1854:
-  call void @finch_panic_index(ptr @.str.1073, i64 205, i64 %t24, i64 %t26)
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  %t24 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 14
+  %t25 = load i64, ptr %a6
+  %t26 = load { ptr, i64, i64 }, ptr %t24
+  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
+  %t28 = icmp uge i64 %t25, %t27
+  br i1 %t28, label %range1911, label %inrange1912
+range1911:
+  call void @finch_panic_index(ptr @.str.1078, i64 225, i64 %t25, i64 %t27)
   unreachable
-inrange1855:
-  %t28 = extractvalue { ptr, i64, i64 } %t25, 0
-  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t24
-  %t30 = load { ptr, i64, i64 }, ptr %t29
-  store { ptr, i64, i64 } %t22, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load i64, ptr %t9
-  %t36 = add i64 %t35, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t36, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t37 = load ptr, ptr %a2
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t35
-  store { ptr, i64, i64 } %t34, ptr %t38
-  store i64 %t36, ptr %t9
-  br label %for.step1850
-for.step1850:
-  %t39 = load i64, ptr %a6
-  %t40 = add i64 %t39, 1
-  store i64 %t40, ptr %a6
-  br label %for.cond1848
-for.end1851:
-  %t41 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch_str_copy(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t47 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i32 0, i32 1
-  %t49 = load i64, ptr %t48
-  %t50 = icmp sgt i64 %t49, 0
-  br i1 %t50, label %then1856, label %endif1858
-then1856:
-  %t51 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.1074, i64 1, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
-  %t58 = load { ptr, i64, i64 }, ptr %t57
-  store { ptr, i64, i64 } %t56, ptr %a60
-  store { ptr, i64, i64 } %t58, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t62, ptr %a46
-  br label %endif1858
-endif1858:
-  %t63 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1075, i64 3, i64 0 }, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.1076, i64 1, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1077, i64 2, i64 0 }, ptr %a73
-  call void @finch_str_join(ptr %a74, ptr %a2, ptr %a73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t71, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.1078, i64 1, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a84
-  %t85 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 9
-  %t86 = load i1, ptr %t85
-  br i1 %t86, label %then1859, label %else1860
-then1859:
-  %t87 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i32 0, i32 0
-  %t89 = load { ptr, i64, i64 }, ptr %t88
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1079, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then1862, label %else1863
-then1862:
-  %t94 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t94, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.1080, i64 5, i64 0 }, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a84
-  br label %endif1864
-else1863:
-  %t99 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1081, i64 4, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t105 = load %S.ast.Type, ptr %t104
-  %t106 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t105)
-  store { ptr, i64, i64 } %t103, ptr %a108
-  store { ptr, i64, i64 } %t106, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
+inrange1912:
+  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 %t25
+  %t31 = load { ptr, i64, i64 }, ptr %t30
+  store { ptr, i64, i64 } %t23, ptr %a33
+  store { ptr, i64, i64 } %t31, ptr %a34
+  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
+  store { ptr, i64, i64 } %t23, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a32
+  %t37 = load i64, ptr %t9
+  %t38 = add i64 %t37, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t38, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t39 = load ptr, ptr %a2
+  %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t39, i64 %t37
+  store { ptr, i64, i64 } %t36, ptr %t40
+  store i64 %t38, ptr %t9
+  br label %for.step1907
+for.step1907:
+  %t41 = load i64, ptr %a6
+  %t42 = add i64 %t41, 1
+  store i64 %t42, ptr %a6
+  br label %for.cond1905
+for.end1908:
+  %t43 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_copy(ptr %a46, ptr %a45)
+  %t47 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t47, ptr %a48
+  %t49 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
+  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i32 0, i32 1
+  %t51 = load i64, ptr %t50
+  %t52 = icmp sgt i64 %t51, 0
+  br i1 %t52, label %then1913, label %endif1915
+then1913:
+  %t53 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 2
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.1079, i64 1, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a55
+  %t59 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 1
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  store { ptr, i64, i64 } %t58, ptr %a62
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t58, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  %t66 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } %t65, ptr %a48
+  store { ptr, i64, i64 } %t66, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  br label %endif1915
+endif1915:
+  %t68 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.1080, i64 3, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1081, i64 1, i64 0 }, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1082, i64 2, i64 0 }, ptr %a79
+  call void @finch_str_join(ptr %a80, ptr %a2, ptr %a79)
+  %t81 = load { ptr, i64, i64 }, ptr %a80
+  store { ptr, i64, i64 } %t77, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t77, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  store { ptr, i64, i64 } %t81, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.1083, i64 1, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t92, ptr %a93
+  %t94 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 9
+  %t95 = load i1, ptr %t94
+  br i1 %t95, label %then1916, label %else1917
+then1916:
+  %t96 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
+  %t97 = getelementptr inbounds %S.ast.Type, ptr %t96, i32 0, i32 0
+  %t98 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t98, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.1084, i64 4, i64 0 }, ptr %a100
+  %t101 = call i32 @finch_str_eq(ptr %a99, ptr %a100)
+  %t102 = icmp ne i32 %t101, 0
+  br i1 %t102, label %then1919, label %else1920
+then1919:
+  %t103 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.1085, i64 5, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a104
+  %t108 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t107, ptr %a93
+  store { ptr, i64, i64 } %t108, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  br label %endif1921
+else1920:
+  %t110 = load { ptr, i64, i64 }, ptr %a93
   store { ptr, i64, i64 } %t110, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.1082, i64 1, i64 0 }, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.1086, i64 4, i64 0 }, ptr %a113
   call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
   %t114 = load { ptr, i64, i64 }, ptr %a111
-  store { ptr, i64, i64 } %t114, ptr %a84
-  br label %endif1864
-endif1864:
-  br label %endif1861
-else1860:
   %t115 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i32 0, i32 0
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.1083, i64 4, i64 0 }, ptr %a119
-  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
-  %t121 = icmp eq i32 %t120, 0
-  br i1 %t121, label %then1865, label %endif1867
-then1865:
-  %t122 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t122, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.1084, i64 4, i64 0 }, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  %t127 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
-  %t128 = load %S.ast.Type, ptr %t127
-  %t129 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t128)
-  store { ptr, i64, i64 } %t126, ptr %a131
-  store { ptr, i64, i64 } %t129, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t133, ptr %a84
-  br label %endif1867
-endif1867:
-  br label %endif1861
-endif1861:
-  %t134 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t134, ptr %a135
-  call void @finch_str_copy(ptr %a136, ptr %a135)
-  %t137 = load { ptr, i64, i64 }, ptr %a136
-  ret { ptr, i64, i64 } %t137
+  %t116 = load %S.ast.Type, ptr %t115
+  %t117 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t116)
+  store { ptr, i64, i64 } %t114, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t114, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t117, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t123, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.1087, i64 1, i64 0 }, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t128, ptr %a93
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  br label %endif1921
+endif1921:
+  br label %endif1918
+else1917:
+  %t131 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %t131, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.1088, i64 4, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp eq i32 %t136, 0
+  br i1 %t137, label %then1922, label %endif1924
+then1922:
+  %t138 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t138, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.1089, i64 4, i64 0 }, ptr %a141
+  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
+  %t142 = load { ptr, i64, i64 }, ptr %a139
+  %t143 = getelementptr inbounds %S.gen.FnSig, ptr %a1, i32 0, i32 12
+  %t144 = load %S.ast.Type, ptr %t143
+  %t145 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t144)
+  store { ptr, i64, i64 } %t142, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  store { ptr, i64, i64 } %t142, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  store { ptr, i64, i64 } %t145, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a146
+  %t152 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t151, ptr %a93
+  store { ptr, i64, i64 } %t152, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  br label %endif1924
+endif1924:
+  br label %endif1918
+endif1918:
+  %t154 = load { ptr, i64, i64 }, ptr %a93
+  call void @finch_str_drop(ptr %a48)
+  call void @finch.drop.arr_str(ptr %a2)
+  ret { ptr, i64, i64 } %t154
 }
 
 define internal void @finch.gen.noteCall(ptr %p0, %S.ast.Node %p1, %S.gen.FnSig %p2) {
@@ -19469,64 +21761,68 @@ entry:
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.gen.FnSig %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic1868, label %ok1869
-panic1868:
-  call void @finch_panic(ptr @.str.1085, i64 226, ptr @.str.1086)
+  br i1 %t5, label %panic1925, label %ok1926
+panic1925:
+  call void @finch_panic(ptr @.str.1090, i64 246, ptr @.str.1091)
   unreachable
-ok1869:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok1926:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
   %t8 = xor i1 %t7, true
-  br i1 %t8, label %then1870, label %endif1872
-then1870:
+  br i1 %t8, label %then1927, label %endif1929
+then1927:
   ret void
-endif1872:
+endif1929:
   %t9 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
   %t10 = load i64, ptr %t9
   store i64 %t10, ptr %a11
   %t12 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1087, i64 6, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1092, i64 6, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br i1 %t17, label %then1873, label %endif1875
-then1873:
+  br i1 %t17, label %then1930, label %endif1932
+then1930:
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
   %t19 = load i64, ptr %t18
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a11
-  br label %endif1875
-endif1875:
+  br label %endif1932
+endif1932:
   %t21 = load ptr, ptr %a1
   %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic1876, label %ok1877
-panic1876:
-  call void @finch_panic(ptr @.str.1088, i64 233, ptr @.str.1089)
+  br i1 %t22, label %panic1933, label %ok1934
+panic1933:
+  call void @finch_panic(ptr @.str.1093, i64 253, ptr @.str.1094)
   unreachable
-ok1877:
+ok1934:
   %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 0
   %t24 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 16
   %t25 = load i64, ptr %t24
   %t26 = load { ptr, i64, i64 }, ptr %t23
   %t27 = extractvalue { ptr, i64, i64 } %t26, 1
   %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range1878, label %inrange1879
-range1878:
-  call void @finch_panic_index(ptr @.str.1090, i64 233, i64 %t25, i64 %t27)
+  br i1 %t28, label %range1935, label %inrange1936
+range1935:
+  call void @finch_panic_index(ptr @.str.1095, i64 253, i64 %t25, i64 %t27)
   unreachable
-inrange1879:
+inrange1936:
   %t29 = extractvalue { ptr, i64, i64 } %t26, 0
   %t30 = getelementptr inbounds %S.ast.Program, ptr %t29, i64 %t25
   %t31 = getelementptr inbounds %S.ast.Program, ptr %t30, i32 0, i32 8
@@ -19535,11 +21831,11 @@ inrange1879:
   %t34 = load { ptr, i64, i64 }, ptr %t31
   %t35 = extractvalue { ptr, i64, i64 } %t34, 1
   %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range1880, label %inrange1881
-range1880:
-  call void @finch_panic_index(ptr @.str.1091, i64 233, i64 %t33, i64 %t35)
+  br i1 %t36, label %range1937, label %inrange1938
+range1937:
+  call void @finch_panic_index(ptr @.str.1096, i64 253, i64 %t33, i64 %t35)
   unreachable
-inrange1881:
+inrange1938:
   %t37 = extractvalue { ptr, i64, i64 } %t34, 0
   %t38 = getelementptr inbounds %S.ast.Node, ptr %t37, i64 %t33
   %t39 = load %S.ast.Node, ptr %t38
@@ -19557,71 +21853,82 @@ inrange1881:
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i32 0, i32 1
   %t52 = load i64, ptr %t51
   %t53 = icmp sgt i64 %t52, 0
-  br label %logic.from1882
-logic.from1882:
-  br i1 %t53, label %logic.rhs1883, label %logic.end1884
-logic.rhs1883:
+  br label %logic.from1939
+logic.from1939:
+  br i1 %t53, label %logic.rhs1940, label %logic.end1941
+logic.rhs1940:
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 2
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = icmp eq i64 %t56, 0
-  br label %logic.rend1885
-logic.rend1885:
-  br label %logic.end1884
-logic.end1884:
-  %t58 = phi i1 [ false, %logic.from1882 ], [ %t57, %logic.rend1885 ]
-  br i1 %t58, label %then1886, label %endif1888
-then1886:
+  br label %logic.rend1942
+logic.rend1942:
+  br label %logic.end1941
+logic.end1941:
+  %t58 = phi i1 [ false, %logic.from1939 ], [ %t57, %logic.rend1942 ]
+  br i1 %t58, label %then1943, label %endif1945
+then1943:
   %t59 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
   %t60 = load { ptr, i64, i64 }, ptr %t59
   store { ptr, i64, i64 } %t60, ptr %a61
   call void @finch_str_copy(ptr %a62, ptr %a61)
   %t63 = load { ptr, i64, i64 }, ptr %a62
+  %t64 = load { ptr, i64, i64 }, ptr %a49
   store { ptr, i64, i64 } %t63, ptr %a49
-  br label %endif1888
-endif1888:
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.ast.Node, ptr %a2
-  %t66 = load i64, ptr %a11
-  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %a49, i32 0, i32 1
-  %t68 = load i64, ptr %t67
-  %t69 = load %S.gen.FnSig, ptr %a3
-  %t70 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t69)
-  store { ptr, i64, i64 } { ptr @.str.1092, i64 9, i64 0 }, ptr %a72
-  store { ptr, i64, i64 } %t70, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t74, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.1093, i64 4, i64 0 }, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = load ptr, ptr %a1
-  %t80 = icmp eq ptr %t79, null
-  br i1 %t80, label %panic1889, label %ok1890
-panic1889:
-  call void @finch_panic(ptr @.str.1094, i64 238, ptr @.str.1095)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  br label %endif1945
+endif1945:
+  %t66 = load ptr, ptr %a1
+  %t67 = load %S.ast.Node, ptr %a2
+  %t68 = load i64, ptr %a11
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a49, i32 0, i32 1
+  %t70 = load i64, ptr %t69
+  %t71 = load %S.gen.FnSig, ptr %a3
+  %t72 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t71)
+  store { ptr, i64, i64 } { ptr @.str.1097, i64 9, i64 0 }, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.1098, i64 4, i64 0 }, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load ptr, ptr %a1
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic1946, label %ok1947
+panic1946:
+  call void @finch_panic(ptr @.str.1099, i64 258, ptr @.str.1100)
   unreachable
-ok1890:
-  %t81 = getelementptr inbounds %S.gen.Gen, ptr %t79, i32 0, i32 1
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 13
-  %t83 = load i64, ptr %t82
-  %t84 = load { ptr, i64, i64 }, ptr %t81
-  %t85 = extractvalue { ptr, i64, i64 } %t84, 1
-  %t86 = icmp uge i64 %t83, %t85
-  br i1 %t86, label %range1891, label %inrange1892
-range1891:
-  call void @finch_panic_index(ptr @.str.1096, i64 238, i64 %t83, i64 %t85)
+ok1947:
+  %t85 = getelementptr inbounds %S.gen.Gen, ptr %t83, i32 0, i32 1
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 13
+  %t87 = load i64, ptr %t86
+  %t88 = load { ptr, i64, i64 }, ptr %t85
+  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
+  %t90 = icmp uge i64 %t87, %t89
+  br i1 %t90, label %range1948, label %inrange1949
+range1948:
+  call void @finch_panic_index(ptr @.str.1101, i64 258, i64 %t87, i64 %t89)
   unreachable
-inrange1892:
-  %t87 = extractvalue { ptr, i64, i64 } %t84, 0
-  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 %t83
-  %t89 = load { ptr, i64, i64 }, ptr %t88
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 11
-  %t91 = load i64, ptr %t90
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 12
-  %t93 = load i64, ptr %t92
-  %t94 = add i64 %t93, 3
-  call void @finch.gen.noteRef(ptr %t64, %S.ast.Node %t65, i64 %t66, i64 %t68, { ptr, i64, i64 } %t78, { ptr, i64, i64 } %t89, i64 %t91, i64 %t94)
+inrange1949:
+  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 %t87
+  %t93 = load { ptr, i64, i64 }, ptr %t92
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 11
+  %t95 = load i64, ptr %t94
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 12
+  %t97 = load i64, ptr %t96
+  %t98 = add i64 %t97, 3
+  call void @finch.gen.noteRef(ptr %t66, %S.ast.Node %t67, i64 %t68, i64 %t70, { ptr, i64, i64 } %t82, { ptr, i64, i64 } %t93, i64 %t95, i64 %t98)
+  store { ptr, i64, i64 } %t82, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a49)
+  call void @finch.drop.S_ast_Node(ptr %a43)
   ret void
 }
 
@@ -19676,6 +21983,43 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_bool(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_FnSig(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_S_ast_Type(ptr %t6)
+  %t7 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 8
+  call void @finch_str_drop(ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 11
+  call void @finch_str_drop(ptr %t8)
+  %t9 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 12
+  call void @finch.drop.S_ast_Type(ptr %t9)
+  %t10 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 13
+  call void @finch.drop.arr_S_ast_Type(ptr %t10)
+  %t11 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 14
+  call void @finch.drop.arr_str(ptr %t11)
+  %t12 = getelementptr inbounds %S.gen.FnSig, ptr %a, i32 0, i32 15
+  call void @finch.drop.arr_bool(ptr %t12)
+  ret void
+}
+
 define internal void @finch.copy.S_gen_Template(ptr %dst, ptr %src) {
 entry:
 
@@ -19696,6 +22040,20 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Template(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Template, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  ret void
+}
+
 define internal void @finch.copy.arr_int(ptr %dst, ptr %src) {
 entry:
 
@@ -19741,6 +22099,39 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_int(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_StructDef(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_int(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_int(ptr %t4)
+  %t5 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 5
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 7
+  call void @finch.drop.arr_S_ast_Type(ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 8
+  call void @finch_str_drop(ptr %t8)
+  %t9 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 11
+  call void @finch.drop.arr_str(ptr %t9)
+  %t10 = getelementptr inbounds %S.gen.StructDef, ptr %a, i32 0, i32 12
+  call void @finch.drop.arr_S_ast_Type(ptr %t10)
+  ret void
+}
+
 define internal void @finch.gen.indexAll(ptr %p0, { ptr, i64, i64 } %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -19762,44 +22153,49 @@ entry:
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
@@ -19807,224 +22203,297 @@ entry:
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca i64, align 16
-  %a233 = alloca %S.gen.Template, align 16
-  %a234 = alloca %S.gen.Template, align 16
-  %a236 = alloca %S.gen.Template, align 16
-  %a258 = alloca %S.ast.Node, align 16
-  %a259 = alloca %S.ast.Node, align 16
-  %a261 = alloca %S.ast.Node, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca i64, align 16
+  %a257 = alloca %S.gen.Template, align 16
+  %a258 = alloca %S.gen.Template, align 16
+  %a260 = alloca %S.gen.Template, align 16
+  %a282 = alloca %S.ast.Node, align 16
+  %a283 = alloca %S.ast.Node, align 16
+  %a285 = alloca %S.ast.Node, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
   %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
   %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
   %a343 = alloca { ptr, i64, i64 }, align 16
   %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
   %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
   %a353 = alloca { ptr, i64, i64 }, align 16
   %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
   %a357 = alloca { ptr, i64, i64 }, align 16
   %a358 = alloca { ptr, i64, i64 }, align 16
   %a359 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
   %a367 = alloca { ptr, i64, i64 }, align 16
   %a368 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
   %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca i64, align 16
-  %a400 = alloca %S.gen.StructDef, align 16
-  %a401 = alloca %S.gen.StructDef, align 16
-  %a403 = alloca %S.gen.StructDef, align 16
-  %a430 = alloca %S.ast.Node, align 16
-  %a431 = alloca %S.ast.Node, align 16
-  %a433 = alloca %S.ast.Node, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a454 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a473 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a479 = alloca { ptr, i64, i64 }, align 16
-  %a481 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
-  %a487 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca i64, align 16
+  %a448 = alloca %S.gen.StructDef, align 16
+  %a449 = alloca %S.gen.StructDef, align 16
+  %a451 = alloca %S.gen.StructDef, align 16
+  %a478 = alloca %S.ast.Node, align 16
+  %a479 = alloca %S.ast.Node, align 16
+  %a481 = alloca %S.ast.Node, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
   %a494 = alloca { ptr, i64, i64 }, align 16
   %a495 = alloca { ptr, i64, i64 }, align 16
-  %a504 = alloca i64, align 16
-  %a513 = alloca { ptr, i64, i64 }, align 16
-  %a514 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
   %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
   %a525 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
   %a527 = alloca { ptr, i64, i64 }, align 16
   %a528 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
   %a540 = alloca { ptr, i64, i64 }, align 16
   %a541 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
   %a543 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca { ptr, i64, i64 }, align 16
-  %a556 = alloca { ptr, i64, i64 }, align 16
-  %a557 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca i64, align 16
-  %a586 = alloca i64, align 16
-  %a594 = alloca %S.ast.Node, align 16
-  %a595 = alloca %S.ast.Node, align 16
-  %a597 = alloca %S.ast.Node, align 16
-  %a598 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca i64, align 16
-  %a609 = alloca %S.ast.Node, align 16
-  %a613 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca i64, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a602 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca { ptr, i64, i64 }, align 16
+  %a621 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
   %a623 = alloca { ptr, i64, i64 }, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a643 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a647 = alloca { ptr, i64, i64 }, align 16
-  %a651 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a655 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a670 = alloca { ptr, i64, i64 }, align 16
-  %a671 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca { ptr, i64, i64 }, align 16
-  %a674 = alloca { ptr, i64, i64 }, align 16
-  %a675 = alloca { ptr, i64, i64 }, align 16
-  %a676 = alloca { ptr, i64, i64 }, align 16
-  %a680 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
-  %a683 = alloca { ptr, i64, i64 }, align 16
-  %a684 = alloca { ptr, i64, i64 }, align 16
-  %a686 = alloca { ptr, i64, i64 }, align 16
-  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca i64, align 16
+  %a651 = alloca i64, align 16
+  %a659 = alloca %S.ast.Node, align 16
+  %a660 = alloca %S.ast.Node, align 16
+  %a662 = alloca %S.ast.Node, align 16
+  %a663 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca i64, align 16
+  %a674 = alloca %S.ast.Node, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
   %a688 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
   %a692 = alloca { ptr, i64, i64 }, align 16
-  %a694 = alloca { ptr, i64, i64 }, align 16
-  %a695 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
-  %a704 = alloca { ptr, i64, i64 }, align 16
-  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a708 = alloca { ptr, i64, i64 }, align 16
+  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
+  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a713 = alloca { ptr, i64, i64 }, align 16
+  %a714 = alloca { ptr, i64, i64 }, align 16
+  %a715 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a721 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a727 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
+  %a741 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a745 = alloca { ptr, i64, i64 }, align 16
+  %a746 = alloca { ptr, i64, i64 }, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a763 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a772 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a777 = alloca { ptr, i64, i64 }, align 16
+  %a778 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond1893
-each.cond1893:
+  br label %each.cond1950
+each.cond1950:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body1894, label %each.end1896
-each.body1894:
+  br i1 %t7, label %each.body1951, label %each.end1953
+each.body1951:
   %t8 = load ptr, ptr %a2
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i64 %t6
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic1897, label %ok1898
-panic1897:
-  call void @finch_panic(ptr @.str.1097, i64 244, ptr @.str.1098)
+  br i1 %t13, label %panic1954, label %ok1955
+panic1954:
+  call void @finch_panic(ptr @.str.1102, i64 264, ptr @.str.1103)
   unreachable
-ok1898:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 27
+ok1955:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 28
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1099, i64 3, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1104, i64 3, i64 0 }, ptr %a18
   store { ptr, i64, i64 } %t16, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
   %t20 = load { ptr, i64, i64 }, ptr %a17
@@ -20035,30 +22504,30 @@ ok1898:
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i64 %t21
   store { ptr, i64, i64 } %t20, ptr %t24
   store i64 %t22, ptr %t15
-  br label %each.step1895
-each.step1895:
+  br label %each.step1952
+each.step1952:
   %t25 = load i64, ptr %a3
   %t26 = add i64 %t25, 1
   store i64 %t26, ptr %a3
-  br label %each.cond1893
-each.end1896:
+  br label %each.cond1950
+each.end1953:
   %t27 = load ptr, ptr %a1
   %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic1899, label %ok1900
-panic1899:
-  call void @finch_panic(ptr @.str.1100, i64 246, ptr @.str.1101)
+  br i1 %t28, label %panic1956, label %ok1957
+panic1956:
+  call void @finch_panic(ptr @.str.1105, i64 266, ptr @.str.1106)
   unreachable
-ok1900:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 14
+ok1957:
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 15
   store i64 0, ptr %a30
-  br label %each.cond1901
-each.cond1901:
+  br label %each.cond1958
+each.cond1958:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
   %t32 = load i64, ptr %t31
   %t33 = load i64, ptr %a30
   %t34 = icmp slt i64 %t33, %t32
-  br i1 %t34, label %each.body1902, label %each.end1904
-each.body1902:
+  br i1 %t34, label %each.body1959, label %each.end1961
+each.body1959:
   %t35 = load ptr, ptr %t29
   %t36 = getelementptr inbounds %S.gen.FnSig, ptr %t35, i64 %t33
   %t37 = load %S.gen.FnSig, ptr %t36
@@ -20068,22 +22537,22 @@ each.body1902:
   store %S.gen.FnSig %t40, ptr %a41
   %t42 = load ptr, ptr %a1
   %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic1905, label %ok1906
-panic1905:
-  call void @finch_panic(ptr @.str.1102, i64 247, ptr @.str.1103)
+  br i1 %t43, label %panic1962, label %ok1963
+panic1962:
+  call void @finch_panic(ptr @.str.1107, i64 267, ptr @.str.1108)
   unreachable
-ok1906:
+ok1963:
   %t44 = getelementptr inbounds %S.gen.Gen, ptr %t42, i32 0, i32 0
   %t45 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 16
   %t46 = load i64, ptr %t45
   %t47 = load { ptr, i64, i64 }, ptr %t44
   %t48 = extractvalue { ptr, i64, i64 } %t47, 1
   %t49 = icmp uge i64 %t46, %t48
-  br i1 %t49, label %range1907, label %inrange1908
-range1907:
-  call void @finch_panic_index(ptr @.str.1104, i64 247, i64 %t46, i64 %t48)
+  br i1 %t49, label %range1964, label %inrange1965
+range1964:
+  call void @finch_panic_index(ptr @.str.1109, i64 267, i64 %t46, i64 %t48)
   unreachable
-inrange1908:
+inrange1965:
   %t50 = extractvalue { ptr, i64, i64 } %t47, 0
   %t51 = getelementptr inbounds %S.ast.Program, ptr %t50, i64 %t46
   %t52 = getelementptr inbounds %S.ast.Program, ptr %t51, i32 0, i32 8
@@ -20092,11 +22561,11 @@ inrange1908:
   %t55 = load { ptr, i64, i64 }, ptr %t52
   %t56 = extractvalue { ptr, i64, i64 } %t55, 1
   %t57 = icmp uge i64 %t54, %t56
-  br i1 %t57, label %range1909, label %inrange1910
-range1909:
-  call void @finch_panic_index(ptr @.str.1105, i64 247, i64 %t54, i64 %t56)
+  br i1 %t57, label %range1966, label %inrange1967
+range1966:
+  call void @finch_panic_index(ptr @.str.1110, i64 267, i64 %t54, i64 %t56)
   unreachable
-inrange1910:
+inrange1967:
   %t58 = extractvalue { ptr, i64, i64 } %t55, 0
   %t59 = getelementptr inbounds %S.ast.Node, ptr %t58, i64 %t54
   %t60 = load %S.ast.Node, ptr %t59
@@ -20108,912 +22577,1083 @@ inrange1910:
   %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i32 0, i32 1
   %t67 = load i64, ptr %t66
   %t68 = icmp sgt i64 %t67, 0
-  br i1 %t68, label %then1911, label %endif1913
-then1911:
-  br label %each.step1903
-endif1913:
+  br i1 %t68, label %then1968, label %endif1970
+then1968:
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  call void @finch.drop.S_gen_FnSig(ptr %a41)
+  br label %each.step1960
+endif1970:
   store { ptr, i64, i64 } zeroinitializer, ptr %a69
   %t70 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 13
   %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
   %t72 = load i64, ptr %t71
   store i64 0, ptr %a73
-  br label %for.cond1914
-for.cond1914:
+  br label %for.cond1971
+for.cond1971:
   %t74 = load i64, ptr %a73
   %t75 = icmp slt i64 %t74, %t72
-  br i1 %t75, label %for.body1915, label %for.end1917
-for.body1915:
+  br i1 %t75, label %for.body1972, label %for.end1974
+for.body1972:
   %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %a69, i32 0, i32 1
   %t77 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 13
   %t78 = load i64, ptr %a73
   %t79 = load { ptr, i64, i64 }, ptr %t77
   %t80 = extractvalue { ptr, i64, i64 } %t79, 1
   %t81 = icmp uge i64 %t78, %t80
-  br i1 %t81, label %range1918, label %inrange1919
-range1918:
-  call void @finch_panic_index(ptr @.str.1106, i64 253, i64 %t78, i64 %t80)
+  br i1 %t81, label %range1975, label %inrange1976
+range1975:
+  call void @finch_panic_index(ptr @.str.1111, i64 273, i64 %t78, i64 %t80)
   unreachable
-inrange1919:
+inrange1976:
   %t82 = extractvalue { ptr, i64, i64 } %t79, 0
   %t83 = getelementptr inbounds %S.ast.Type, ptr %t82, i64 %t78
   %t84 = load %S.ast.Type, ptr %t83
   %t85 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t84)
   store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.1107, i64 1, i64 0 }, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.1112, i64 1, i64 0 }, ptr %a88
   call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 14
-  %t91 = load i64, ptr %a73
-  %t92 = load { ptr, i64, i64 }, ptr %t90
-  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
-  %t94 = icmp uge i64 %t91, %t93
-  br i1 %t94, label %range1920, label %inrange1921
-range1920:
-  call void @finch_panic_index(ptr @.str.1108, i64 253, i64 %t91, i64 %t93)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 14
+  %t92 = load i64, ptr %a73
+  %t93 = load { ptr, i64, i64 }, ptr %t91
+  %t94 = extractvalue { ptr, i64, i64 } %t93, 1
+  %t95 = icmp uge i64 %t92, %t94
+  br i1 %t95, label %range1977, label %inrange1978
+range1977:
+  call void @finch_panic_index(ptr @.str.1113, i64 273, i64 %t92, i64 %t94)
   unreachable
-inrange1921:
-  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
-  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i64 %t91
-  %t97 = load { ptr, i64, i64 }, ptr %t96
-  store { ptr, i64, i64 } %t89, ptr %a99
-  store { ptr, i64, i64 } %t97, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load i64, ptr %t76
-  %t103 = add i64 %t102, 1
-  call void @finch_arr_reserve(ptr %a69, i64 %t103, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t104 = load ptr, ptr %a69
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 %t102
-  store { ptr, i64, i64 } %t101, ptr %t105
-  store i64 %t103, ptr %t76
-  br label %for.step1916
-for.step1916:
-  %t106 = load i64, ptr %a73
-  %t107 = add i64 %t106, 1
-  store i64 %t107, ptr %a73
-  br label %for.cond1914
-for.end1917:
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic1922, label %ok1923
-panic1922:
-  call void @finch_panic(ptr @.str.1109, i64 255, ptr @.str.1110)
+inrange1978:
+  %t96 = extractvalue { ptr, i64, i64 } %t93, 0
+  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i64 %t92
+  %t98 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t90, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t90, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  %t104 = load i64, ptr %t76
+  %t105 = add i64 %t104, 1
+  call void @finch_arr_reserve(ptr %a69, i64 %t105, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t106 = load ptr, ptr %a69
+  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i64 %t104
+  store { ptr, i64, i64 } %t103, ptr %t107
+  store i64 %t105, ptr %t76
+  br label %for.step1973
+for.step1973:
+  %t108 = load i64, ptr %a73
+  %t109 = add i64 %t108, 1
+  store i64 %t109, ptr %a73
+  br label %for.cond1971
+for.end1974:
+  %t110 = load ptr, ptr %a1
+  %t111 = icmp eq ptr %t110, null
+  br i1 %t111, label %panic1979, label %ok1980
+panic1979:
+  call void @finch_panic(ptr @.str.1114, i64 275, ptr @.str.1115)
   unreachable
-ok1923:
-  %t110 = getelementptr inbounds %S.gen.Gen, ptr %t108, i32 0, i32 27
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i32 0, i32 1
-  %t112 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 0
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } { ptr @.str.1111, i64 3, i64 0 }, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.1112, i64 1, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 1
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  store { ptr, i64, i64 } %t121, ptr %a125
-  store { ptr, i64, i64 } %t123, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  store { ptr, i64, i64 } %t127, ptr %a129
-  store { ptr, i64, i64 } { ptr @.str.1113, i64 1, i64 0 }, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  %t132 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 2
-  %t133 = load { ptr, i64, i64 }, ptr %t132
+ok1980:
+  %t112 = getelementptr inbounds %S.gen.Gen, ptr %t110, i32 0, i32 28
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
+  %t114 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 0
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } { ptr @.str.1116, i64 3, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1117, i64 1, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 1
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t124, ptr %a128
+  store { ptr, i64, i64 } %t126, ptr %a129
+  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
+  store { ptr, i64, i64 } %t124, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load { ptr, i64, i64 }, ptr %a127
+  store { ptr, i64, i64 } %t131, ptr %a133
+  store { ptr, i64, i64 } { ptr @.str.1118, i64 1, i64 0 }, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
   store { ptr, i64, i64 } %t131, ptr %a135
-  store { ptr, i64, i64 } %t133, ptr %a136
-  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
-  %t137 = load { ptr, i64, i64 }, ptr %a134
-  store { ptr, i64, i64 } %t137, ptr %a139
-  store { ptr, i64, i64 } { ptr @.str.1114, i64 1, i64 0 }, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  %t142 = load ptr, ptr %a1
-  %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic1924, label %ok1925
-panic1924:
-  call void @finch_panic(ptr @.str.1115, i64 255, ptr @.str.1116)
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  %t137 = getelementptr inbounds %S.gen.FnSig, ptr %a41, i32 0, i32 2
+  %t138 = load { ptr, i64, i64 }, ptr %t137
+  store { ptr, i64, i64 } %t136, ptr %a140
+  store { ptr, i64, i64 } %t138, ptr %a141
+  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
+  store { ptr, i64, i64 } %t136, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a139
+  store { ptr, i64, i64 } %t143, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.1119, i64 1, i64 0 }, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  store { ptr, i64, i64 } %t143, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  %t148 = load { ptr, i64, i64 }, ptr %a144
+  %t149 = load ptr, ptr %a1
+  %t150 = icmp eq ptr %t149, null
+  br i1 %t150, label %panic1981, label %ok1982
+panic1981:
+  call void @finch_panic(ptr @.str.1120, i64 275, ptr @.str.1121)
   unreachable
-ok1925:
-  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 1
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 13
-  %t146 = load i64, ptr %t145
-  %t147 = load { ptr, i64, i64 }, ptr %t144
-  %t148 = extractvalue { ptr, i64, i64 } %t147, 1
-  %t149 = icmp uge i64 %t146, %t148
-  br i1 %t149, label %range1926, label %inrange1927
-range1926:
-  call void @finch_panic_index(ptr @.str.1117, i64 255, i64 %t146, i64 %t148)
+ok1982:
+  %t151 = getelementptr inbounds %S.gen.Gen, ptr %t149, i32 0, i32 1
+  %t152 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 13
+  %t153 = load i64, ptr %t152
+  %t154 = load { ptr, i64, i64 }, ptr %t151
+  %t155 = extractvalue { ptr, i64, i64 } %t154, 1
+  %t156 = icmp uge i64 %t153, %t155
+  br i1 %t156, label %range1983, label %inrange1984
+range1983:
+  call void @finch_panic_index(ptr @.str.1122, i64 275, i64 %t153, i64 %t155)
   unreachable
-inrange1927:
-  %t150 = extractvalue { ptr, i64, i64 } %t147, 0
-  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i64 %t146
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t141, ptr %a154
-  store { ptr, i64, i64 } %t152, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t156, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.1118, i64 1, i64 0 }, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  %t161 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 11
-  %t162 = load i64, ptr %t161
-  call void @finch_str_from_int(ptr %a163, i64 %t162)
-  %t164 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t160, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
+inrange1984:
+  %t157 = extractvalue { ptr, i64, i64 } %t154, 0
+  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t157, i64 %t153
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t148, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a162
+  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
+  store { ptr, i64, i64 } %t148, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a160
+  store { ptr, i64, i64 } %t164, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.1123, i64 1, i64 0 }, ptr %a167
   call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } %t168, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.1119, i64 1, i64 0 }, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  %t173 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 12
-  %t174 = load i64, ptr %t173
-  call void @finch_str_from_int(ptr %a175, i64 %t174)
-  %t176 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } %t172, ptr %a178
-  store { ptr, i64, i64 } %t176, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t180, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.1120, i64 1, i64 0 }, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  %t185 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 14
+  store { ptr, i64, i64 } %t164, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a165
+  %t170 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 11
+  %t171 = load i64, ptr %t170
+  call void @finch_str_from_int(ptr %a172, i64 %t171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  store { ptr, i64, i64 } %t169, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t169, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  store { ptr, i64, i64 } %t173, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.1124, i64 1, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  store { ptr, i64, i64 } %t179, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a180
+  %t185 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 12
   %t186 = load i64, ptr %t185
   call void @finch_str_from_int(ptr %a187, i64 %t186)
   %t188 = load { ptr, i64, i64 }, ptr %a187
   store { ptr, i64, i64 } %t184, ptr %a190
   store { ptr, i64, i64 } %t188, ptr %a191
   call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.1121, i64 1, i64 0 }, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load %S.gen.FnSig, ptr %a41
-  %t198 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t197)
-  %t199 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t198)
-  store { ptr, i64, i64 } %t196, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.1122, i64 1, i64 0 }, ptr %a206
+  store { ptr, i64, i64 } %t184, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  store { ptr, i64, i64 } %t188, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t194, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.1125, i64 1, i64 0 }, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t194, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  %t200 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 14
+  %t201 = load i64, ptr %t200
+  call void @finch_str_from_int(ptr %a202, i64 %t201)
+  %t203 = load { ptr, i64, i64 }, ptr %a202
+  store { ptr, i64, i64 } %t199, ptr %a205
+  store { ptr, i64, i64 } %t203, ptr %a206
   call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %a69, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1123, i64 1, i64 0 }, ptr %a209
-  call void @finch_str_join(ptr %a210, ptr %a69, ptr %a209)
-  %t211 = load { ptr, i64, i64 }, ptr %a210
-  store { ptr, i64, i64 } %t207, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  %t216 = load i64, ptr %t111
-  %t217 = add i64 %t216, 1
-  call void @finch_arr_reserve(ptr %t110, i64 %t217, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t218 = load ptr, ptr %t110
-  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i64 %t216
-  store { ptr, i64, i64 } %t215, ptr %t219
-  store i64 %t217, ptr %t111
-  br label %each.step1903
-each.step1903:
-  %t220 = load i64, ptr %a30
-  %t221 = add i64 %t220, 1
-  store i64 %t221, ptr %a30
-  br label %each.cond1901
-each.end1904:
-  %t222 = load ptr, ptr %a1
-  %t223 = icmp eq ptr %t222, null
-  br i1 %t223, label %panic1928, label %ok1929
-panic1928:
-  call void @finch_panic(ptr @.str.1124, i64 257, ptr @.str.1125)
+  store { ptr, i64, i64 } %t199, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  store { ptr, i64, i64 } %t203, ptr %a208
+  call void @finch_str_drop(ptr %a208)
+  %t209 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t209, ptr %a211
+  store { ptr, i64, i64 } { ptr @.str.1126, i64 1, i64 0 }, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  store { ptr, i64, i64 } %t209, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  %t214 = load { ptr, i64, i64 }, ptr %a210
+  %t215 = load %S.gen.FnSig, ptr %a41
+  %t216 = call { ptr, i64, i64 } @finch.gen.sigText(%S.gen.FnSig %t215)
+  %t217 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t216)
+  store { ptr, i64, i64 } %t216, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  store { ptr, i64, i64 } %t214, ptr %a220
+  store { ptr, i64, i64 } %t217, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t214, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  store { ptr, i64, i64 } %t217, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t224, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.1127, i64 1, i64 0 }, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t224, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %a69, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1128, i64 1, i64 0 }, ptr %a231
+  call void @finch_str_join(ptr %a232, ptr %a69, ptr %a231)
+  %t233 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } %t229, ptr %a235
+  store { ptr, i64, i64 } %t233, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t229, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  store { ptr, i64, i64 } %t233, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a234
+  %t240 = load i64, ptr %t113
+  %t241 = add i64 %t240, 1
+  call void @finch_arr_reserve(ptr %t112, i64 %t241, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t242 = load ptr, ptr %t112
+  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i64 %t240
+  store { ptr, i64, i64 } %t239, ptr %t243
+  store i64 %t241, ptr %t113
+  call void @finch.drop.arr_str(ptr %a69)
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  call void @finch.drop.S_gen_FnSig(ptr %a41)
+  br label %each.step1960
+each.step1960:
+  %t244 = load i64, ptr %a30
+  %t245 = add i64 %t244, 1
+  store i64 %t245, ptr %a30
+  br label %each.cond1958
+each.end1961:
+  %t246 = load ptr, ptr %a1
+  %t247 = icmp eq ptr %t246, null
+  br i1 %t247, label %panic1985, label %ok1986
+panic1985:
+  call void @finch_panic(ptr @.str.1129, i64 277, ptr @.str.1130)
   unreachable
-ok1929:
-  %t224 = getelementptr inbounds %S.gen.Gen, ptr %t222, i32 0, i32 16
-  store i64 0, ptr %a225
-  br label %each.cond1930
-each.cond1930:
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i32 0, i32 1
-  %t227 = load i64, ptr %t226
-  %t228 = load i64, ptr %a225
-  %t229 = icmp slt i64 %t228, %t227
-  br i1 %t229, label %each.body1931, label %each.end1933
-each.body1931:
-  %t230 = load ptr, ptr %t224
-  %t231 = getelementptr inbounds %S.gen.Template, ptr %t230, i64 %t228
-  %t232 = load %S.gen.Template, ptr %t231
-  store %S.gen.Template %t232, ptr %a233
-  call void @finch.copy.S_gen_Template(ptr %a234, ptr %a233)
-  %t235 = load %S.gen.Template, ptr %a234
-  store %S.gen.Template %t235, ptr %a236
-  %t237 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 6
-  %t238 = load i1, ptr %t237
-  br i1 %t238, label %then1934, label %endif1936
-then1934:
-  br label %each.step1932
-endif1936:
-  %t239 = load ptr, ptr %a1
-  %t240 = icmp eq ptr %t239, null
-  br i1 %t240, label %panic1937, label %ok1938
-panic1937:
-  call void @finch_panic(ptr @.str.1126, i64 261, ptr @.str.1127)
-  unreachable
-ok1938:
-  %t241 = getelementptr inbounds %S.gen.Gen, ptr %t239, i32 0, i32 0
-  %t242 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 4
-  %t243 = load i64, ptr %t242
-  %t244 = load { ptr, i64, i64 }, ptr %t241
-  %t245 = extractvalue { ptr, i64, i64 } %t244, 1
-  %t246 = icmp uge i64 %t243, %t245
-  br i1 %t246, label %range1939, label %inrange1940
-range1939:
-  call void @finch_panic_index(ptr @.str.1128, i64 261, i64 %t243, i64 %t245)
-  unreachable
-inrange1940:
-  %t247 = extractvalue { ptr, i64, i64 } %t244, 0
-  %t248 = getelementptr inbounds %S.ast.Program, ptr %t247, i64 %t243
-  %t249 = getelementptr inbounds %S.ast.Program, ptr %t248, i32 0, i32 8
-  %t250 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 5
+ok1986:
+  %t248 = getelementptr inbounds %S.gen.Gen, ptr %t246, i32 0, i32 17
+  store i64 0, ptr %a249
+  br label %each.cond1987
+each.cond1987:
+  %t250 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
   %t251 = load i64, ptr %t250
-  %t252 = load { ptr, i64, i64 }, ptr %t249
-  %t253 = extractvalue { ptr, i64, i64 } %t252, 1
-  %t254 = icmp uge i64 %t251, %t253
-  br i1 %t254, label %range1941, label %inrange1942
-range1941:
-  call void @finch_panic_index(ptr @.str.1129, i64 261, i64 %t251, i64 %t253)
+  %t252 = load i64, ptr %a249
+  %t253 = icmp slt i64 %t252, %t251
+  br i1 %t253, label %each.body1988, label %each.end1990
+each.body1988:
+  %t254 = load ptr, ptr %t248
+  %t255 = getelementptr inbounds %S.gen.Template, ptr %t254, i64 %t252
+  %t256 = load %S.gen.Template, ptr %t255
+  store %S.gen.Template %t256, ptr %a257
+  call void @finch.copy.S_gen_Template(ptr %a258, ptr %a257)
+  %t259 = load %S.gen.Template, ptr %a258
+  store %S.gen.Template %t259, ptr %a260
+  %t261 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 6
+  %t262 = load i1, ptr %t261
+  br i1 %t262, label %then1991, label %endif1993
+then1991:
+  call void @finch.drop.S_gen_Template(ptr %a260)
+  br label %each.step1989
+endif1993:
+  %t263 = load ptr, ptr %a1
+  %t264 = icmp eq ptr %t263, null
+  br i1 %t264, label %panic1994, label %ok1995
+panic1994:
+  call void @finch_panic(ptr @.str.1131, i64 281, ptr @.str.1132)
   unreachable
-inrange1942:
-  %t255 = extractvalue { ptr, i64, i64 } %t252, 0
-  %t256 = getelementptr inbounds %S.ast.Node, ptr %t255, i64 %t251
-  %t257 = load %S.ast.Node, ptr %t256
-  store %S.ast.Node %t257, ptr %a258
-  call void @finch.copy.S_ast_Node(ptr %a259, ptr %a258)
-  %t260 = load %S.ast.Node, ptr %a259
-  store %S.ast.Node %t260, ptr %a261
-  %t262 = load ptr, ptr %a1
-  %t263 = icmp eq ptr %t262, null
-  br i1 %t263, label %panic1943, label %ok1944
-panic1943:
-  call void @finch_panic(ptr @.str.1130, i64 262, ptr @.str.1131)
+ok1995:
+  %t265 = getelementptr inbounds %S.gen.Gen, ptr %t263, i32 0, i32 0
+  %t266 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 4
+  %t267 = load i64, ptr %t266
+  %t268 = load { ptr, i64, i64 }, ptr %t265
+  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
+  %t270 = icmp uge i64 %t267, %t269
+  br i1 %t270, label %range1996, label %inrange1997
+range1996:
+  call void @finch_panic_index(ptr @.str.1133, i64 281, i64 %t267, i64 %t269)
   unreachable
-ok1944:
-  %t264 = getelementptr inbounds %S.gen.Gen, ptr %t262, i32 0, i32 27
-  %t265 = getelementptr inbounds { ptr, i64, i64 }, ptr %t264, i32 0, i32 1
-  %t266 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 0
-  %t267 = load { ptr, i64, i64 }, ptr %t266
-  store { ptr, i64, i64 } { ptr @.str.1132, i64 3, i64 0 }, ptr %a269
-  store { ptr, i64, i64 } %t267, ptr %a270
-  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
-  %t271 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t271, ptr %a273
-  store { ptr, i64, i64 } { ptr @.str.1133, i64 1, i64 0 }, ptr %a274
-  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
-  %t275 = load { ptr, i64, i64 }, ptr %a272
-  %t276 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 1
-  %t277 = load { ptr, i64, i64 }, ptr %t276
-  store { ptr, i64, i64 } %t275, ptr %a279
-  store { ptr, i64, i64 } %t277, ptr %a280
-  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
-  %t281 = load { ptr, i64, i64 }, ptr %a278
-  store { ptr, i64, i64 } %t281, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.1134, i64 1, i64 0 }, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  %t286 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 2
-  %t287 = load { ptr, i64, i64 }, ptr %t286
-  store { ptr, i64, i64 } %t285, ptr %a289
-  store { ptr, i64, i64 } %t287, ptr %a290
-  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
-  %t291 = load { ptr, i64, i64 }, ptr %a288
-  store { ptr, i64, i64 } %t291, ptr %a293
-  store { ptr, i64, i64 } { ptr @.str.1135, i64 1, i64 0 }, ptr %a294
+inrange1997:
+  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
+  %t272 = getelementptr inbounds %S.ast.Program, ptr %t271, i64 %t267
+  %t273 = getelementptr inbounds %S.ast.Program, ptr %t272, i32 0, i32 8
+  %t274 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 5
+  %t275 = load i64, ptr %t274
+  %t276 = load { ptr, i64, i64 }, ptr %t273
+  %t277 = extractvalue { ptr, i64, i64 } %t276, 1
+  %t278 = icmp uge i64 %t275, %t277
+  br i1 %t278, label %range1998, label %inrange1999
+range1998:
+  call void @finch_panic_index(ptr @.str.1134, i64 281, i64 %t275, i64 %t277)
+  unreachable
+inrange1999:
+  %t279 = extractvalue { ptr, i64, i64 } %t276, 0
+  %t280 = getelementptr inbounds %S.ast.Node, ptr %t279, i64 %t275
+  %t281 = load %S.ast.Node, ptr %t280
+  store %S.ast.Node %t281, ptr %a282
+  call void @finch.copy.S_ast_Node(ptr %a283, ptr %a282)
+  %t284 = load %S.ast.Node, ptr %a283
+  store %S.ast.Node %t284, ptr %a285
+  %t286 = load ptr, ptr %a1
+  %t287 = icmp eq ptr %t286, null
+  br i1 %t287, label %panic2000, label %ok2001
+panic2000:
+  call void @finch_panic(ptr @.str.1135, i64 282, ptr @.str.1136)
+  unreachable
+ok2001:
+  %t288 = getelementptr inbounds %S.gen.Gen, ptr %t286, i32 0, i32 28
+  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t288, i32 0, i32 1
+  %t290 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 0
+  %t291 = load { ptr, i64, i64 }, ptr %t290
+  store { ptr, i64, i64 } { ptr @.str.1137, i64 3, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
   call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
   %t295 = load { ptr, i64, i64 }, ptr %a292
-  %t296 = load ptr, ptr %a1
-  %t297 = icmp eq ptr %t296, null
-  br i1 %t297, label %panic1945, label %ok1946
-panic1945:
-  call void @finch_panic(ptr @.str.1136, i64 262, ptr @.str.1137)
-  unreachable
-ok1946:
-  %t298 = getelementptr inbounds %S.gen.Gen, ptr %t296, i32 0, i32 1
-  %t299 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 13
-  %t300 = load i64, ptr %t299
-  %t301 = load { ptr, i64, i64 }, ptr %t298
-  %t302 = extractvalue { ptr, i64, i64 } %t301, 1
-  %t303 = icmp uge i64 %t300, %t302
-  br i1 %t303, label %range1947, label %inrange1948
-range1947:
-  call void @finch_panic_index(ptr @.str.1138, i64 262, i64 %t300, i64 %t302)
-  unreachable
-inrange1948:
-  %t304 = extractvalue { ptr, i64, i64 } %t301, 0
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t304, i64 %t300
-  %t306 = load { ptr, i64, i64 }, ptr %t305
-  store { ptr, i64, i64 } %t295, ptr %a308
-  store { ptr, i64, i64 } %t306, ptr %a309
-  call void @finch_str_concat(ptr %a307, ptr %a308, ptr %a309)
-  %t310 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t310, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.1139, i64 1, i64 0 }, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  %t315 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 11
-  %t316 = load i64, ptr %t315
-  call void @finch_str_from_int(ptr %a317, i64 %t316)
-  %t318 = load { ptr, i64, i64 }, ptr %a317
-  store { ptr, i64, i64 } %t314, ptr %a320
-  store { ptr, i64, i64 } %t318, ptr %a321
-  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
-  %t322 = load { ptr, i64, i64 }, ptr %a319
-  store { ptr, i64, i64 } %t322, ptr %a324
-  store { ptr, i64, i64 } { ptr @.str.1140, i64 1, i64 0 }, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  %t327 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 12
-  %t328 = load i64, ptr %t327
-  call void @finch_str_from_int(ptr %a329, i64 %t328)
-  %t330 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t326, ptr %a332
-  store { ptr, i64, i64 } %t330, ptr %a333
-  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
-  %t334 = load { ptr, i64, i64 }, ptr %a331
-  store { ptr, i64, i64 } %t334, ptr %a336
-  store { ptr, i64, i64 } { ptr @.str.1141, i64 1, i64 0 }, ptr %a337
-  call void @finch_str_concat(ptr %a335, ptr %a336, ptr %a337)
-  %t338 = load { ptr, i64, i64 }, ptr %a335
-  %t339 = getelementptr inbounds %S.ast.Node, ptr %a261, i32 0, i32 14
-  %t340 = load i64, ptr %t339
-  call void @finch_str_from_int(ptr %a341, i64 %t340)
-  %t342 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t338, ptr %a344
-  store { ptr, i64, i64 } %t342, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  store { ptr, i64, i64 } %t346, ptr %a348
-  store { ptr, i64, i64 } { ptr @.str.1142, i64 1, i64 0 }, ptr %a349
-  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
-  %t350 = load { ptr, i64, i64 }, ptr %a347
-  %t351 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 1
-  %t352 = load { ptr, i64, i64 }, ptr %t351
-  store { ptr, i64, i64 } { ptr @.str.1143, i64 3, i64 0 }, ptr %a354
-  store { ptr, i64, i64 } %t352, ptr %a355
-  call void @finch_str_concat(ptr %a353, ptr %a354, ptr %a355)
-  %t356 = load { ptr, i64, i64 }, ptr %a353
-  store { ptr, i64, i64 } %t356, ptr %a358
-  store { ptr, i64, i64 } { ptr @.str.1144, i64 1, i64 0 }, ptr %a359
-  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
-  %t360 = load { ptr, i64, i64 }, ptr %a357
-  %t361 = getelementptr inbounds %S.gen.Template, ptr %a236, i32 0, i32 3
-  %t362 = getelementptr inbounds { ptr, i64, i64 }, ptr %t361, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1145, i64 2, i64 0 }, ptr %a363
-  call void @finch_str_join(ptr %a364, ptr %t361, ptr %a363)
-  %t365 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t360, ptr %a367
-  store { ptr, i64, i64 } %t365, ptr %a368
-  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
-  %t369 = load { ptr, i64, i64 }, ptr %a366
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.1146, i64 6, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t373)
-  store { ptr, i64, i64 } %t350, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t378, ptr %a380
-  store { ptr, i64, i64 } { ptr @.str.1147, i64 1, i64 0 }, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  %t383 = load i64, ptr %t265
-  %t384 = add i64 %t383, 1
-  call void @finch_arr_reserve(ptr %t264, i64 %t384, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t385 = load ptr, ptr %t264
-  %t386 = getelementptr inbounds { ptr, i64, i64 }, ptr %t385, i64 %t383
-  store { ptr, i64, i64 } %t382, ptr %t386
-  store i64 %t384, ptr %t265
-  br label %each.step1932
-each.step1932:
-  %t387 = load i64, ptr %a225
-  %t388 = add i64 %t387, 1
-  store i64 %t388, ptr %a225
-  br label %each.cond1930
-each.end1933:
-  %t389 = load ptr, ptr %a1
-  %t390 = icmp eq ptr %t389, null
-  br i1 %t390, label %panic1949, label %ok1950
-panic1949:
-  call void @finch_panic(ptr @.str.1148, i64 264, ptr @.str.1149)
-  unreachable
-ok1950:
-  %t391 = getelementptr inbounds %S.gen.Gen, ptr %t389, i32 0, i32 15
-  store i64 0, ptr %a392
-  br label %each.cond1951
-each.cond1951:
-  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t391, i32 0, i32 1
-  %t394 = load i64, ptr %t393
-  %t395 = load i64, ptr %a392
-  %t396 = icmp slt i64 %t395, %t394
-  br i1 %t396, label %each.body1952, label %each.end1954
-each.body1952:
-  %t397 = load ptr, ptr %t391
-  %t398 = getelementptr inbounds %S.gen.StructDef, ptr %t397, i64 %t395
-  %t399 = load %S.gen.StructDef, ptr %t398
-  store %S.gen.StructDef %t399, ptr %a400
-  call void @finch.copy.S_gen_StructDef(ptr %a401, ptr %a400)
-  %t402 = load %S.gen.StructDef, ptr %a401
-  store %S.gen.StructDef %t402, ptr %a403
-  %t404 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 2
-  %t405 = load i1, ptr %t404
-  br label %logic.from1955
-logic.from1955:
-  br i1 %t405, label %logic.end1957, label %logic.rhs1956
-logic.rhs1956:
-  %t406 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 5
-  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i32 0, i32 1
-  %t408 = load i64, ptr %t407
-  %t409 = icmp sgt i64 %t408, 0
-  br label %logic.rend1958
-logic.rend1958:
-  br label %logic.end1957
-logic.end1957:
-  %t410 = phi i1 [ true, %logic.from1955 ], [ %t409, %logic.rend1958 ]
-  br i1 %t410, label %then1959, label %endif1961
-then1959:
-  br label %each.step1953
-endif1961:
-  %t411 = load ptr, ptr %a1
-  %t412 = icmp eq ptr %t411, null
-  br i1 %t412, label %panic1962, label %ok1963
-panic1962:
-  call void @finch_panic(ptr @.str.1150, i64 268, ptr @.str.1151)
-  unreachable
-ok1963:
-  %t413 = getelementptr inbounds %S.gen.Gen, ptr %t411, i32 0, i32 0
-  %t414 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 13
-  %t415 = load i64, ptr %t414
-  %t416 = load { ptr, i64, i64 }, ptr %t413
-  %t417 = extractvalue { ptr, i64, i64 } %t416, 1
-  %t418 = icmp uge i64 %t415, %t417
-  br i1 %t418, label %range1964, label %inrange1965
-range1964:
-  call void @finch_panic_index(ptr @.str.1152, i64 268, i64 %t415, i64 %t417)
-  unreachable
-inrange1965:
-  %t419 = extractvalue { ptr, i64, i64 } %t416, 0
-  %t420 = getelementptr inbounds %S.ast.Program, ptr %t419, i64 %t415
-  %t421 = getelementptr inbounds %S.ast.Program, ptr %t420, i32 0, i32 6
-  %t422 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 14
-  %t423 = load i64, ptr %t422
-  %t424 = load { ptr, i64, i64 }, ptr %t421
-  %t425 = extractvalue { ptr, i64, i64 } %t424, 1
-  %t426 = icmp uge i64 %t423, %t425
-  br i1 %t426, label %range1966, label %inrange1967
-range1966:
-  call void @finch_panic_index(ptr @.str.1153, i64 268, i64 %t423, i64 %t425)
-  unreachable
-inrange1967:
-  %t427 = extractvalue { ptr, i64, i64 } %t424, 0
-  %t428 = getelementptr inbounds %S.ast.Node, ptr %t427, i64 %t423
-  %t429 = load %S.ast.Node, ptr %t428
-  store %S.ast.Node %t429, ptr %a430
-  call void @finch.copy.S_ast_Node(ptr %a431, ptr %a430)
-  %t432 = load %S.ast.Node, ptr %a431
-  store %S.ast.Node %t432, ptr %a433
-  %t434 = load ptr, ptr %a1
-  %t435 = icmp eq ptr %t434, null
-  br i1 %t435, label %panic1968, label %ok1969
-panic1968:
-  call void @finch_panic(ptr @.str.1154, i64 269, ptr @.str.1155)
-  unreachable
-ok1969:
-  %t436 = getelementptr inbounds %S.gen.Gen, ptr %t434, i32 0, i32 27
-  %t437 = getelementptr inbounds { ptr, i64, i64 }, ptr %t436, i32 0, i32 1
-  %t438 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 0
-  %t439 = load { ptr, i64, i64 }, ptr %t438
-  store { ptr, i64, i64 } { ptr @.str.1156, i64 3, i64 0 }, ptr %a441
-  store { ptr, i64, i64 } %t439, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  store { ptr, i64, i64 } %t443, ptr %a445
-  store { ptr, i64, i64 } { ptr @.str.1157, i64 1, i64 0 }, ptr %a446
-  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
-  %t447 = load { ptr, i64, i64 }, ptr %a444
-  %t448 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 1
-  %t449 = load { ptr, i64, i64 }, ptr %t448
-  store { ptr, i64, i64 } %t447, ptr %a451
-  store { ptr, i64, i64 } %t449, ptr %a452
-  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
-  %t453 = load { ptr, i64, i64 }, ptr %a450
-  store { ptr, i64, i64 } %t453, ptr %a455
-  store { ptr, i64, i64 } { ptr @.str.1158, i64 1, i64 0 }, ptr %a456
-  call void @finch_str_concat(ptr %a454, ptr %a455, ptr %a456)
-  %t457 = load { ptr, i64, i64 }, ptr %a454
-  %t458 = load ptr, ptr %a1
-  %t459 = icmp eq ptr %t458, null
-  br i1 %t459, label %panic1970, label %ok1971
-panic1970:
-  call void @finch_panic(ptr @.str.1159, i64 269, ptr @.str.1160)
-  unreachable
-ok1971:
-  %t460 = getelementptr inbounds %S.gen.Gen, ptr %t458, i32 0, i32 1
-  %t461 = getelementptr inbounds %S.ast.Node, ptr %a433, i32 0, i32 13
-  %t462 = load i64, ptr %t461
-  %t463 = load { ptr, i64, i64 }, ptr %t460
-  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
-  %t465 = icmp uge i64 %t462, %t464
-  br i1 %t465, label %range1972, label %inrange1973
-range1972:
-  call void @finch_panic_index(ptr @.str.1161, i64 269, i64 %t462, i64 %t464)
-  unreachable
-inrange1973:
-  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
-  %t467 = getelementptr inbounds { ptr, i64, i64 }, ptr %t466, i64 %t462
-  %t468 = load { ptr, i64, i64 }, ptr %t467
-  store { ptr, i64, i64 } %t457, ptr %a470
-  store { ptr, i64, i64 } %t468, ptr %a471
-  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
-  %t472 = load { ptr, i64, i64 }, ptr %a469
-  store { ptr, i64, i64 } %t472, ptr %a474
-  store { ptr, i64, i64 } { ptr @.str.1162, i64 1, i64 0 }, ptr %a475
-  call void @finch_str_concat(ptr %a473, ptr %a474, ptr %a475)
-  %t476 = load { ptr, i64, i64 }, ptr %a473
-  %t477 = getelementptr inbounds %S.ast.Node, ptr %a433, i32 0, i32 11
-  %t478 = load i64, ptr %t477
-  call void @finch_str_from_int(ptr %a479, i64 %t478)
-  %t480 = load { ptr, i64, i64 }, ptr %a479
-  store { ptr, i64, i64 } %t476, ptr %a482
-  store { ptr, i64, i64 } %t480, ptr %a483
-  call void @finch_str_concat(ptr %a481, ptr %a482, ptr %a483)
-  %t484 = load { ptr, i64, i64 }, ptr %a481
-  store { ptr, i64, i64 } %t484, ptr %a486
-  store { ptr, i64, i64 } { ptr @.str.1163, i64 1, i64 0 }, ptr %a487
-  call void @finch_str_concat(ptr %a485, ptr %a486, ptr %a487)
-  %t488 = load { ptr, i64, i64 }, ptr %a485
-  %t489 = getelementptr inbounds %S.ast.Node, ptr %a433, i32 0, i32 12
-  %t490 = load i64, ptr %t489
-  call void @finch_str_from_int(ptr %a491, i64 %t490)
-  %t492 = load { ptr, i64, i64 }, ptr %a491
-  store { ptr, i64, i64 } %t488, ptr %a494
-  store { ptr, i64, i64 } %t492, ptr %a495
-  call void @finch_str_concat(ptr %a493, ptr %a494, ptr %a495)
-  %t496 = load { ptr, i64, i64 }, ptr %a493
-  %t497 = load i64, ptr %t437
-  %t498 = add i64 %t497, 1
-  call void @finch_arr_reserve(ptr %t436, i64 %t498, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t499 = load ptr, ptr %t436
-  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t499, i64 %t497
-  store { ptr, i64, i64 } %t496, ptr %t500
-  store i64 %t498, ptr %t437
-  %t501 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 11
-  %t502 = getelementptr inbounds { ptr, i64, i64 }, ptr %t501, i32 0, i32 1
-  %t503 = load i64, ptr %t502
-  store i64 0, ptr %a504
-  br label %for.cond1974
-for.cond1974:
-  %t505 = load i64, ptr %a504
-  %t506 = icmp slt i64 %t505, %t503
-  br i1 %t506, label %for.body1975, label %for.end1977
-for.body1975:
-  %t507 = load ptr, ptr %a1
-  %t508 = icmp eq ptr %t507, null
-  br i1 %t508, label %panic1978, label %ok1979
-panic1978:
-  call void @finch_panic(ptr @.str.1164, i64 271, ptr @.str.1165)
-  unreachable
-ok1979:
-  %t509 = getelementptr inbounds %S.gen.Gen, ptr %t507, i32 0, i32 27
-  %t510 = getelementptr inbounds { ptr, i64, i64 }, ptr %t509, i32 0, i32 1
-  %t511 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 0
-  %t512 = load { ptr, i64, i64 }, ptr %t511
-  store { ptr, i64, i64 } { ptr @.str.1166, i64 4, i64 0 }, ptr %a514
-  store { ptr, i64, i64 } %t512, ptr %a515
-  call void @finch_str_concat(ptr %a513, ptr %a514, ptr %a515)
-  %t516 = load { ptr, i64, i64 }, ptr %a513
-  store { ptr, i64, i64 } %t516, ptr %a518
-  store { ptr, i64, i64 } { ptr @.str.1167, i64 1, i64 0 }, ptr %a519
-  call void @finch_str_concat(ptr %a517, ptr %a518, ptr %a519)
-  %t520 = load { ptr, i64, i64 }, ptr %a517
-  %t521 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 1
-  %t522 = load { ptr, i64, i64 }, ptr %t521
-  store { ptr, i64, i64 } %t520, ptr %a524
-  store { ptr, i64, i64 } %t522, ptr %a525
-  call void @finch_str_concat(ptr %a523, ptr %a524, ptr %a525)
-  %t526 = load { ptr, i64, i64 }, ptr %a523
-  store { ptr, i64, i64 } %t526, ptr %a528
-  store { ptr, i64, i64 } { ptr @.str.1168, i64 1, i64 0 }, ptr %a529
-  call void @finch_str_concat(ptr %a527, ptr %a528, ptr %a529)
-  %t530 = load { ptr, i64, i64 }, ptr %a527
-  %t531 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 11
-  %t532 = load i64, ptr %a504
-  %t533 = load { ptr, i64, i64 }, ptr %t531
-  %t534 = extractvalue { ptr, i64, i64 } %t533, 1
-  %t535 = icmp uge i64 %t532, %t534
-  br i1 %t535, label %range1980, label %inrange1981
-range1980:
-  call void @finch_panic_index(ptr @.str.1169, i64 271, i64 %t532, i64 %t534)
-  unreachable
-inrange1981:
-  %t536 = extractvalue { ptr, i64, i64 } %t533, 0
-  %t537 = getelementptr inbounds { ptr, i64, i64 }, ptr %t536, i64 %t532
-  %t538 = load { ptr, i64, i64 }, ptr %t537
-  store { ptr, i64, i64 } %t530, ptr %a540
-  store { ptr, i64, i64 } %t538, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  store { ptr, i64, i64 } %t542, ptr %a544
-  store { ptr, i64, i64 } { ptr @.str.1170, i64 1, i64 0 }, ptr %a545
-  call void @finch_str_concat(ptr %a543, ptr %a544, ptr %a545)
-  %t546 = load { ptr, i64, i64 }, ptr %a543
-  %t547 = getelementptr inbounds %S.gen.StructDef, ptr %a403, i32 0, i32 12
-  %t548 = load i64, ptr %a504
-  %t549 = load { ptr, i64, i64 }, ptr %t547
-  %t550 = extractvalue { ptr, i64, i64 } %t549, 1
-  %t551 = icmp uge i64 %t548, %t550
-  br i1 %t551, label %range1982, label %inrange1983
-range1982:
-  call void @finch_panic_index(ptr @.str.1171, i64 271, i64 %t548, i64 %t550)
-  unreachable
-inrange1983:
-  %t552 = extractvalue { ptr, i64, i64 } %t549, 0
-  %t553 = getelementptr inbounds %S.ast.Type, ptr %t552, i64 %t548
-  %t554 = load %S.ast.Type, ptr %t553
-  %t555 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t554)
-  store { ptr, i64, i64 } %t546, ptr %a557
-  store { ptr, i64, i64 } %t555, ptr %a558
-  call void @finch_str_concat(ptr %a556, ptr %a557, ptr %a558)
-  %t559 = load { ptr, i64, i64 }, ptr %a556
-  %t560 = load i64, ptr %t510
-  %t561 = add i64 %t560, 1
-  call void @finch_arr_reserve(ptr %t509, i64 %t561, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t562 = load ptr, ptr %t509
-  %t563 = getelementptr inbounds { ptr, i64, i64 }, ptr %t562, i64 %t560
-  store { ptr, i64, i64 } %t559, ptr %t563
-  store i64 %t561, ptr %t510
-  br label %for.step1976
-for.step1976:
-  %t564 = load i64, ptr %a504
-  %t565 = add i64 %t564, 1
-  store i64 %t565, ptr %a504
-  br label %for.cond1974
-for.end1977:
-  br label %each.step1953
-each.step1953:
-  %t566 = load i64, ptr %a392
-  %t567 = add i64 %t566, 1
-  store i64 %t567, ptr %a392
-  br label %each.cond1951
-each.end1954:
-  %t568 = load ptr, ptr %a1
-  %t569 = icmp eq ptr %t568, null
-  br i1 %t569, label %panic1984, label %ok1985
-panic1984:
-  call void @finch_panic(ptr @.str.1172, i64 274, ptr @.str.1173)
-  unreachable
-ok1985:
-  %t570 = getelementptr inbounds %S.gen.Gen, ptr %t568, i32 0, i32 0
-  %t571 = getelementptr inbounds { ptr, i64, i64 }, ptr %t570, i32 0, i32 1
-  %t572 = load i64, ptr %t571
-  store i64 0, ptr %a573
-  br label %for.cond1986
-for.cond1986:
-  %t574 = load i64, ptr %a573
-  %t575 = icmp slt i64 %t574, %t572
-  br i1 %t575, label %for.body1987, label %for.end1989
-for.body1987:
-  %t576 = load ptr, ptr %a1
-  %t577 = icmp eq ptr %t576, null
-  br i1 %t577, label %panic1990, label %ok1991
-panic1990:
-  call void @finch_panic(ptr @.str.1174, i64 275, ptr @.str.1175)
-  unreachable
-ok1991:
-  %t578 = getelementptr inbounds %S.gen.Gen, ptr %t576, i32 0, i32 0
-  %t579 = load i64, ptr %a573
-  %t580 = load { ptr, i64, i64 }, ptr %t578
-  %t581 = extractvalue { ptr, i64, i64 } %t580, 1
-  %t582 = icmp uge i64 %t579, %t581
-  br i1 %t582, label %range1992, label %inrange1993
-range1992:
-  call void @finch_panic_index(ptr @.str.1176, i64 275, i64 %t579, i64 %t581)
-  unreachable
-inrange1993:
-  %t583 = extractvalue { ptr, i64, i64 } %t580, 0
-  %t584 = getelementptr inbounds %S.ast.Program, ptr %t583, i64 %t579
-  %t585 = getelementptr inbounds %S.ast.Program, ptr %t584, i32 0, i32 7
-  store i64 0, ptr %a586
-  br label %each.cond1994
-each.cond1994:
-  %t587 = getelementptr inbounds { ptr, i64, i64 }, ptr %t585, i32 0, i32 1
-  %t588 = load i64, ptr %t587
-  %t589 = load i64, ptr %a586
-  %t590 = icmp slt i64 %t589, %t588
-  br i1 %t590, label %each.body1995, label %each.end1997
-each.body1995:
-  %t591 = load ptr, ptr %t585
-  %t592 = getelementptr inbounds %S.ast.Node, ptr %t591, i64 %t589
-  %t593 = load %S.ast.Node, ptr %t592
-  store %S.ast.Node %t593, ptr %a594
-  call void @finch.copy.S_ast_Node(ptr %a595, ptr %a594)
-  %t596 = load %S.ast.Node, ptr %a595
-  store %S.ast.Node %t596, ptr %a597
-  store { ptr, i64, i64 } { ptr @.str.1177, i64 0, i64 0 }, ptr %a598
-  store { ptr, i64, i64 } zeroinitializer, ptr %a599
-  %t600 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 9
-  store i64 0, ptr %a601
-  br label %each.cond1998
-each.cond1998:
-  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %t600, i32 0, i32 1
-  %t603 = load i64, ptr %t602
-  %t604 = load i64, ptr %a601
-  %t605 = icmp slt i64 %t604, %t603
-  br i1 %t605, label %each.body1999, label %each.end2001
-each.body1999:
-  %t606 = load ptr, ptr %t600
-  %t607 = getelementptr inbounds %S.ast.Node, ptr %t606, i64 %t604
-  %t608 = load %S.ast.Node, ptr %t607
-  store %S.ast.Node %t608, ptr %a609
-  %t610 = getelementptr inbounds { ptr, i64, i64 }, ptr %a599, i32 0, i32 1
-  %t611 = getelementptr inbounds %S.ast.Node, ptr %a609, i32 0, i32 1
-  %t612 = load { ptr, i64, i64 }, ptr %t611
-  store { ptr, i64, i64 } %t612, ptr %a613
-  call void @finch_str_copy(ptr %a614, ptr %a613)
-  %t615 = load { ptr, i64, i64 }, ptr %a614
-  %t616 = load i64, ptr %t610
-  %t617 = add i64 %t616, 1
-  call void @finch_arr_reserve(ptr %a599, i64 %t617, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t618 = load ptr, ptr %a599
-  %t619 = getelementptr inbounds { ptr, i64, i64 }, ptr %t618, i64 %t616
-  store { ptr, i64, i64 } %t615, ptr %t619
-  store i64 %t617, ptr %t610
-  br label %each.step2000
-each.step2000:
-  %t620 = load i64, ptr %a601
-  %t621 = add i64 %t620, 1
-  store i64 %t621, ptr %a601
-  br label %each.cond1998
-each.end2001:
-  %t622 = getelementptr inbounds { ptr, i64, i64 }, ptr %a599, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1178, i64 1, i64 0 }, ptr %a623
-  call void @finch_str_join(ptr %a624, ptr %a599, ptr %a623)
-  %t625 = load { ptr, i64, i64 }, ptr %a624
-  store { ptr, i64, i64 } %t625, ptr %a598
-  %t626 = load ptr, ptr %a1
-  %t627 = icmp eq ptr %t626, null
-  br i1 %t627, label %panic2002, label %ok2003
+  store { ptr, i64, i64 } %t295, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.1138, i64 1, i64 0 }, ptr %a298
+  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
+  store { ptr, i64, i64 } %t295, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a296
+  %t301 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 1
+  %t302 = load { ptr, i64, i64 }, ptr %t301
+  store { ptr, i64, i64 } %t300, ptr %a304
+  store { ptr, i64, i64 } %t302, ptr %a305
+  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
+  store { ptr, i64, i64 } %t300, ptr %a306
+  call void @finch_str_drop(ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a303
+  store { ptr, i64, i64 } %t307, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.1139, i64 1, i64 0 }, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t307, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = load { ptr, i64, i64 }, ptr %a308
+  %t313 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 2
+  %t314 = load { ptr, i64, i64 }, ptr %t313
+  store { ptr, i64, i64 } %t312, ptr %a316
+  store { ptr, i64, i64 } %t314, ptr %a317
+  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
+  store { ptr, i64, i64 } %t312, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a315
+  store { ptr, i64, i64 } %t319, ptr %a321
+  store { ptr, i64, i64 } { ptr @.str.1140, i64 1, i64 0 }, ptr %a322
+  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+  store { ptr, i64, i64 } %t319, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a320
+  %t325 = load ptr, ptr %a1
+  %t326 = icmp eq ptr %t325, null
+  br i1 %t326, label %panic2002, label %ok2003
 panic2002:
-  call void @finch_panic(ptr @.str.1179, i64 282, ptr @.str.1180)
+  call void @finch_panic(ptr @.str.1141, i64 282, ptr @.str.1142)
   unreachable
 ok2003:
-  %t628 = getelementptr inbounds %S.gen.Gen, ptr %t626, i32 0, i32 27
-  %t629 = getelementptr inbounds { ptr, i64, i64 }, ptr %t628, i32 0, i32 1
-  %t630 = load ptr, ptr %a1
-  %t631 = icmp eq ptr %t630, null
-  br i1 %t631, label %panic2004, label %ok2005
-panic2004:
-  call void @finch_panic(ptr @.str.1182, i64 282, ptr @.str.1183)
+  %t327 = getelementptr inbounds %S.gen.Gen, ptr %t325, i32 0, i32 1
+  %t328 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 13
+  %t329 = load i64, ptr %t328
+  %t330 = load { ptr, i64, i64 }, ptr %t327
+  %t331 = extractvalue { ptr, i64, i64 } %t330, 1
+  %t332 = icmp uge i64 %t329, %t331
+  br i1 %t332, label %range2004, label %inrange2005
+range2004:
+  call void @finch_panic_index(ptr @.str.1143, i64 282, i64 %t329, i64 %t331)
   unreachable
-ok2005:
-  %t632 = getelementptr inbounds %S.gen.Gen, ptr %t630, i32 0, i32 0
-  %t633 = load i64, ptr %a573
-  %t634 = load { ptr, i64, i64 }, ptr %t632
-  %t635 = extractvalue { ptr, i64, i64 } %t634, 1
-  %t636 = icmp uge i64 %t633, %t635
-  br i1 %t636, label %range2006, label %inrange2007
-range2006:
-  call void @finch_panic_index(ptr @.str.1184, i64 282, i64 %t633, i64 %t635)
+inrange2005:
+  %t333 = extractvalue { ptr, i64, i64 } %t330, 0
+  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i64 %t329
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t324, ptr %a337
+  store { ptr, i64, i64 } %t335, ptr %a338
+  call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
+  store { ptr, i64, i64 } %t324, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
+  store { ptr, i64, i64 } %t340, ptr %a342
+  store { ptr, i64, i64 } { ptr @.str.1144, i64 1, i64 0 }, ptr %a343
+  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
+  store { ptr, i64, i64 } %t340, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load { ptr, i64, i64 }, ptr %a341
+  %t346 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 11
+  %t347 = load i64, ptr %t346
+  call void @finch_str_from_int(ptr %a348, i64 %t347)
+  %t349 = load { ptr, i64, i64 }, ptr %a348
+  store { ptr, i64, i64 } %t345, ptr %a351
+  store { ptr, i64, i64 } %t349, ptr %a352
+  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
+  store { ptr, i64, i64 } %t345, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  store { ptr, i64, i64 } %t349, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  %t355 = load { ptr, i64, i64 }, ptr %a350
+  store { ptr, i64, i64 } %t355, ptr %a357
+  store { ptr, i64, i64 } { ptr @.str.1145, i64 1, i64 0 }, ptr %a358
+  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
+  store { ptr, i64, i64 } %t355, ptr %a359
+  call void @finch_str_drop(ptr %a359)
+  %t360 = load { ptr, i64, i64 }, ptr %a356
+  %t361 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 12
+  %t362 = load i64, ptr %t361
+  call void @finch_str_from_int(ptr %a363, i64 %t362)
+  %t364 = load { ptr, i64, i64 }, ptr %a363
+  store { ptr, i64, i64 } %t360, ptr %a366
+  store { ptr, i64, i64 } %t364, ptr %a367
+  call void @finch_str_concat(ptr %a365, ptr %a366, ptr %a367)
+  store { ptr, i64, i64 } %t360, ptr %a368
+  call void @finch_str_drop(ptr %a368)
+  store { ptr, i64, i64 } %t364, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = load { ptr, i64, i64 }, ptr %a365
+  store { ptr, i64, i64 } %t370, ptr %a372
+  store { ptr, i64, i64 } { ptr @.str.1146, i64 1, i64 0 }, ptr %a373
+  call void @finch_str_concat(ptr %a371, ptr %a372, ptr %a373)
+  store { ptr, i64, i64 } %t370, ptr %a374
+  call void @finch_str_drop(ptr %a374)
+  %t375 = load { ptr, i64, i64 }, ptr %a371
+  %t376 = getelementptr inbounds %S.ast.Node, ptr %a285, i32 0, i32 14
+  %t377 = load i64, ptr %t376
+  call void @finch_str_from_int(ptr %a378, i64 %t377)
+  %t379 = load { ptr, i64, i64 }, ptr %a378
+  store { ptr, i64, i64 } %t375, ptr %a381
+  store { ptr, i64, i64 } %t379, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  store { ptr, i64, i64 } %t375, ptr %a383
+  call void @finch_str_drop(ptr %a383)
+  store { ptr, i64, i64 } %t379, ptr %a384
+  call void @finch_str_drop(ptr %a384)
+  %t385 = load { ptr, i64, i64 }, ptr %a380
+  store { ptr, i64, i64 } %t385, ptr %a387
+  store { ptr, i64, i64 } { ptr @.str.1147, i64 1, i64 0 }, ptr %a388
+  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
+  store { ptr, i64, i64 } %t385, ptr %a389
+  call void @finch_str_drop(ptr %a389)
+  %t390 = load { ptr, i64, i64 }, ptr %a386
+  %t391 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 1
+  %t392 = load { ptr, i64, i64 }, ptr %t391
+  store { ptr, i64, i64 } { ptr @.str.1148, i64 3, i64 0 }, ptr %a394
+  store { ptr, i64, i64 } %t392, ptr %a395
+  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
+  %t396 = load { ptr, i64, i64 }, ptr %a393
+  store { ptr, i64, i64 } %t396, ptr %a398
+  store { ptr, i64, i64 } { ptr @.str.1149, i64 1, i64 0 }, ptr %a399
+  call void @finch_str_concat(ptr %a397, ptr %a398, ptr %a399)
+  store { ptr, i64, i64 } %t396, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = load { ptr, i64, i64 }, ptr %a397
+  %t402 = getelementptr inbounds %S.gen.Template, ptr %a260, i32 0, i32 3
+  %t403 = getelementptr inbounds { ptr, i64, i64 }, ptr %t402, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1150, i64 2, i64 0 }, ptr %a404
+  call void @finch_str_join(ptr %a405, ptr %t402, ptr %a404)
+  %t406 = load { ptr, i64, i64 }, ptr %a405
+  store { ptr, i64, i64 } %t401, ptr %a408
+  store { ptr, i64, i64 } %t406, ptr %a409
+  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
+  store { ptr, i64, i64 } %t401, ptr %a410
+  call void @finch_str_drop(ptr %a410)
+  store { ptr, i64, i64 } %t406, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  %t412 = load { ptr, i64, i64 }, ptr %a407
+  store { ptr, i64, i64 } %t412, ptr %a414
+  store { ptr, i64, i64 } { ptr @.str.1151, i64 6, i64 0 }, ptr %a415
+  call void @finch_str_concat(ptr %a413, ptr %a414, ptr %a415)
+  store { ptr, i64, i64 } %t412, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a413
+  %t418 = call { ptr, i64, i64 } @finch.gen.esc({ ptr, i64, i64 } %t417)
+  store { ptr, i64, i64 } %t417, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  store { ptr, i64, i64 } %t390, ptr %a421
+  store { ptr, i64, i64 } %t418, ptr %a422
+  call void @finch_str_concat(ptr %a420, ptr %a421, ptr %a422)
+  store { ptr, i64, i64 } %t390, ptr %a423
+  call void @finch_str_drop(ptr %a423)
+  store { ptr, i64, i64 } %t418, ptr %a424
+  call void @finch_str_drop(ptr %a424)
+  %t425 = load { ptr, i64, i64 }, ptr %a420
+  store { ptr, i64, i64 } %t425, ptr %a427
+  store { ptr, i64, i64 } { ptr @.str.1152, i64 1, i64 0 }, ptr %a428
+  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
+  store { ptr, i64, i64 } %t425, ptr %a429
+  call void @finch_str_drop(ptr %a429)
+  %t430 = load { ptr, i64, i64 }, ptr %a426
+  %t431 = load i64, ptr %t289
+  %t432 = add i64 %t431, 1
+  call void @finch_arr_reserve(ptr %t288, i64 %t432, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t433 = load ptr, ptr %t288
+  %t434 = getelementptr inbounds { ptr, i64, i64 }, ptr %t433, i64 %t431
+  store { ptr, i64, i64 } %t430, ptr %t434
+  store i64 %t432, ptr %t289
+  call void @finch.drop.S_ast_Node(ptr %a285)
+  call void @finch.drop.S_gen_Template(ptr %a260)
+  br label %each.step1989
+each.step1989:
+  %t435 = load i64, ptr %a249
+  %t436 = add i64 %t435, 1
+  store i64 %t436, ptr %a249
+  br label %each.cond1987
+each.end1990:
+  %t437 = load ptr, ptr %a1
+  %t438 = icmp eq ptr %t437, null
+  br i1 %t438, label %panic2006, label %ok2007
+panic2006:
+  call void @finch_panic(ptr @.str.1153, i64 284, ptr @.str.1154)
   unreachable
-inrange2007:
-  %t637 = extractvalue { ptr, i64, i64 } %t634, 0
-  %t638 = getelementptr inbounds %S.ast.Program, ptr %t637, i64 %t633
-  %t639 = getelementptr inbounds %S.ast.Program, ptr %t638, i32 0, i32 0
-  %t640 = load { ptr, i64, i64 }, ptr %t639
-  store { ptr, i64, i64 } { ptr @.str.1181, i64 3, i64 0 }, ptr %a642
-  store { ptr, i64, i64 } %t640, ptr %a643
-  call void @finch_str_concat(ptr %a641, ptr %a642, ptr %a643)
-  %t644 = load { ptr, i64, i64 }, ptr %a641
-  store { ptr, i64, i64 } %t644, ptr %a646
-  store { ptr, i64, i64 } { ptr @.str.1185, i64 1, i64 0 }, ptr %a647
-  call void @finch_str_concat(ptr %a645, ptr %a646, ptr %a647)
-  %t648 = load { ptr, i64, i64 }, ptr %a645
-  %t649 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 1
-  %t650 = load { ptr, i64, i64 }, ptr %t649
-  store { ptr, i64, i64 } %t648, ptr %a652
-  store { ptr, i64, i64 } %t650, ptr %a653
-  call void @finch_str_concat(ptr %a651, ptr %a652, ptr %a653)
-  %t654 = load { ptr, i64, i64 }, ptr %a651
-  store { ptr, i64, i64 } %t654, ptr %a656
-  store { ptr, i64, i64 } { ptr @.str.1186, i64 1, i64 0 }, ptr %a657
-  call void @finch_str_concat(ptr %a655, ptr %a656, ptr %a657)
-  %t658 = load { ptr, i64, i64 }, ptr %a655
-  %t659 = load ptr, ptr %a1
-  %t660 = icmp eq ptr %t659, null
-  br i1 %t660, label %panic2008, label %ok2009
-panic2008:
-  call void @finch_panic(ptr @.str.1187, i64 282, ptr @.str.1188)
+ok2007:
+  %t439 = getelementptr inbounds %S.gen.Gen, ptr %t437, i32 0, i32 16
+  store i64 0, ptr %a440
+  br label %each.cond2008
+each.cond2008:
+  %t441 = getelementptr inbounds { ptr, i64, i64 }, ptr %t439, i32 0, i32 1
+  %t442 = load i64, ptr %t441
+  %t443 = load i64, ptr %a440
+  %t444 = icmp slt i64 %t443, %t442
+  br i1 %t444, label %each.body2009, label %each.end2011
+each.body2009:
+  %t445 = load ptr, ptr %t439
+  %t446 = getelementptr inbounds %S.gen.StructDef, ptr %t445, i64 %t443
+  %t447 = load %S.gen.StructDef, ptr %t446
+  store %S.gen.StructDef %t447, ptr %a448
+  call void @finch.copy.S_gen_StructDef(ptr %a449, ptr %a448)
+  %t450 = load %S.gen.StructDef, ptr %a449
+  store %S.gen.StructDef %t450, ptr %a451
+  %t452 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 2
+  %t453 = load i1, ptr %t452
+  br label %logic.from2012
+logic.from2012:
+  br i1 %t453, label %logic.end2014, label %logic.rhs2013
+logic.rhs2013:
+  %t454 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 5
+  %t455 = getelementptr inbounds { ptr, i64, i64 }, ptr %t454, i32 0, i32 1
+  %t456 = load i64, ptr %t455
+  %t457 = icmp sgt i64 %t456, 0
+  br label %logic.rend2015
+logic.rend2015:
+  br label %logic.end2014
+logic.end2014:
+  %t458 = phi i1 [ true, %logic.from2012 ], [ %t457, %logic.rend2015 ]
+  br i1 %t458, label %then2016, label %endif2018
+then2016:
+  call void @finch.drop.S_gen_StructDef(ptr %a451)
+  br label %each.step2010
+endif2018:
+  %t459 = load ptr, ptr %a1
+  %t460 = icmp eq ptr %t459, null
+  br i1 %t460, label %panic2019, label %ok2020
+panic2019:
+  call void @finch_panic(ptr @.str.1155, i64 288, ptr @.str.1156)
   unreachable
-ok2009:
-  %t661 = getelementptr inbounds %S.gen.Gen, ptr %t659, i32 0, i32 1
-  %t662 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 13
-  %t663 = load i64, ptr %t662
-  %t664 = load { ptr, i64, i64 }, ptr %t661
-  %t665 = extractvalue { ptr, i64, i64 } %t664, 1
-  %t666 = icmp uge i64 %t663, %t665
-  br i1 %t666, label %range2010, label %inrange2011
-range2010:
-  call void @finch_panic_index(ptr @.str.1189, i64 282, i64 %t663, i64 %t665)
+ok2020:
+  %t461 = getelementptr inbounds %S.gen.Gen, ptr %t459, i32 0, i32 0
+  %t462 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 13
+  %t463 = load i64, ptr %t462
+  %t464 = load { ptr, i64, i64 }, ptr %t461
+  %t465 = extractvalue { ptr, i64, i64 } %t464, 1
+  %t466 = icmp uge i64 %t463, %t465
+  br i1 %t466, label %range2021, label %inrange2022
+range2021:
+  call void @finch_panic_index(ptr @.str.1157, i64 288, i64 %t463, i64 %t465)
   unreachable
-inrange2011:
-  %t667 = extractvalue { ptr, i64, i64 } %t664, 0
-  %t668 = getelementptr inbounds { ptr, i64, i64 }, ptr %t667, i64 %t663
-  %t669 = load { ptr, i64, i64 }, ptr %t668
-  store { ptr, i64, i64 } %t658, ptr %a671
-  store { ptr, i64, i64 } %t669, ptr %a672
-  call void @finch_str_concat(ptr %a670, ptr %a671, ptr %a672)
-  %t673 = load { ptr, i64, i64 }, ptr %a670
-  store { ptr, i64, i64 } %t673, ptr %a675
-  store { ptr, i64, i64 } { ptr @.str.1190, i64 1, i64 0 }, ptr %a676
-  call void @finch_str_concat(ptr %a674, ptr %a675, ptr %a676)
-  %t677 = load { ptr, i64, i64 }, ptr %a674
-  %t678 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 11
-  %t679 = load i64, ptr %t678
-  call void @finch_str_from_int(ptr %a680, i64 %t679)
-  %t681 = load { ptr, i64, i64 }, ptr %a680
-  store { ptr, i64, i64 } %t677, ptr %a683
-  store { ptr, i64, i64 } %t681, ptr %a684
-  call void @finch_str_concat(ptr %a682, ptr %a683, ptr %a684)
-  %t685 = load { ptr, i64, i64 }, ptr %a682
-  store { ptr, i64, i64 } %t685, ptr %a687
-  store { ptr, i64, i64 } { ptr @.str.1191, i64 1, i64 0 }, ptr %a688
-  call void @finch_str_concat(ptr %a686, ptr %a687, ptr %a688)
-  %t689 = load { ptr, i64, i64 }, ptr %a686
-  %t690 = getelementptr inbounds %S.ast.Node, ptr %a597, i32 0, i32 12
-  %t691 = load i64, ptr %t690
-  call void @finch_str_from_int(ptr %a692, i64 %t691)
-  %t693 = load { ptr, i64, i64 }, ptr %a692
-  store { ptr, i64, i64 } %t689, ptr %a695
-  store { ptr, i64, i64 } %t693, ptr %a696
-  call void @finch_str_concat(ptr %a694, ptr %a695, ptr %a696)
-  %t697 = load { ptr, i64, i64 }, ptr %a694
-  store { ptr, i64, i64 } %t697, ptr %a699
-  store { ptr, i64, i64 } { ptr @.str.1192, i64 1, i64 0 }, ptr %a700
-  call void @finch_str_concat(ptr %a698, ptr %a699, ptr %a700)
-  %t701 = load { ptr, i64, i64 }, ptr %a698
-  %t702 = load { ptr, i64, i64 }, ptr %a598
-  store { ptr, i64, i64 } %t701, ptr %a704
-  store { ptr, i64, i64 } %t702, ptr %a705
-  call void @finch_str_concat(ptr %a703, ptr %a704, ptr %a705)
-  %t706 = load { ptr, i64, i64 }, ptr %a703
-  %t707 = load i64, ptr %t629
-  %t708 = add i64 %t707, 1
-  call void @finch_arr_reserve(ptr %t628, i64 %t708, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t709 = load ptr, ptr %t628
-  %t710 = getelementptr inbounds { ptr, i64, i64 }, ptr %t709, i64 %t707
-  store { ptr, i64, i64 } %t706, ptr %t710
-  store i64 %t708, ptr %t629
-  br label %each.step1996
-each.step1996:
-  %t711 = load i64, ptr %a586
-  %t712 = add i64 %t711, 1
-  store i64 %t712, ptr %a586
-  br label %each.cond1994
-each.end1997:
-  br label %for.step1988
-for.step1988:
-  %t713 = load i64, ptr %a573
-  %t714 = add i64 %t713, 1
-  store i64 %t714, ptr %a573
-  br label %for.cond1986
-for.end1989:
+inrange2022:
+  %t467 = extractvalue { ptr, i64, i64 } %t464, 0
+  %t468 = getelementptr inbounds %S.ast.Program, ptr %t467, i64 %t463
+  %t469 = getelementptr inbounds %S.ast.Program, ptr %t468, i32 0, i32 6
+  %t470 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 14
+  %t471 = load i64, ptr %t470
+  %t472 = load { ptr, i64, i64 }, ptr %t469
+  %t473 = extractvalue { ptr, i64, i64 } %t472, 1
+  %t474 = icmp uge i64 %t471, %t473
+  br i1 %t474, label %range2023, label %inrange2024
+range2023:
+  call void @finch_panic_index(ptr @.str.1158, i64 288, i64 %t471, i64 %t473)
+  unreachable
+inrange2024:
+  %t475 = extractvalue { ptr, i64, i64 } %t472, 0
+  %t476 = getelementptr inbounds %S.ast.Node, ptr %t475, i64 %t471
+  %t477 = load %S.ast.Node, ptr %t476
+  store %S.ast.Node %t477, ptr %a478
+  call void @finch.copy.S_ast_Node(ptr %a479, ptr %a478)
+  %t480 = load %S.ast.Node, ptr %a479
+  store %S.ast.Node %t480, ptr %a481
+  %t482 = load ptr, ptr %a1
+  %t483 = icmp eq ptr %t482, null
+  br i1 %t483, label %panic2025, label %ok2026
+panic2025:
+  call void @finch_panic(ptr @.str.1159, i64 289, ptr @.str.1160)
+  unreachable
+ok2026:
+  %t484 = getelementptr inbounds %S.gen.Gen, ptr %t482, i32 0, i32 28
+  %t485 = getelementptr inbounds { ptr, i64, i64 }, ptr %t484, i32 0, i32 1
+  %t486 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 0
+  %t487 = load { ptr, i64, i64 }, ptr %t486
+  store { ptr, i64, i64 } { ptr @.str.1161, i64 3, i64 0 }, ptr %a489
+  store { ptr, i64, i64 } %t487, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a488
+  store { ptr, i64, i64 } %t491, ptr %a493
+  store { ptr, i64, i64 } { ptr @.str.1162, i64 1, i64 0 }, ptr %a494
+  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
+  store { ptr, i64, i64 } %t491, ptr %a495
+  call void @finch_str_drop(ptr %a495)
+  %t496 = load { ptr, i64, i64 }, ptr %a492
+  %t497 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 1
+  %t498 = load { ptr, i64, i64 }, ptr %t497
+  store { ptr, i64, i64 } %t496, ptr %a500
+  store { ptr, i64, i64 } %t498, ptr %a501
+  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
+  store { ptr, i64, i64 } %t496, ptr %a502
+  call void @finch_str_drop(ptr %a502)
+  %t503 = load { ptr, i64, i64 }, ptr %a499
+  store { ptr, i64, i64 } %t503, ptr %a505
+  store { ptr, i64, i64 } { ptr @.str.1163, i64 1, i64 0 }, ptr %a506
+  call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
+  store { ptr, i64, i64 } %t503, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  %t508 = load { ptr, i64, i64 }, ptr %a504
+  %t509 = load ptr, ptr %a1
+  %t510 = icmp eq ptr %t509, null
+  br i1 %t510, label %panic2027, label %ok2028
+panic2027:
+  call void @finch_panic(ptr @.str.1164, i64 289, ptr @.str.1165)
+  unreachable
+ok2028:
+  %t511 = getelementptr inbounds %S.gen.Gen, ptr %t509, i32 0, i32 1
+  %t512 = getelementptr inbounds %S.ast.Node, ptr %a481, i32 0, i32 13
+  %t513 = load i64, ptr %t512
+  %t514 = load { ptr, i64, i64 }, ptr %t511
+  %t515 = extractvalue { ptr, i64, i64 } %t514, 1
+  %t516 = icmp uge i64 %t513, %t515
+  br i1 %t516, label %range2029, label %inrange2030
+range2029:
+  call void @finch_panic_index(ptr @.str.1166, i64 289, i64 %t513, i64 %t515)
+  unreachable
+inrange2030:
+  %t517 = extractvalue { ptr, i64, i64 } %t514, 0
+  %t518 = getelementptr inbounds { ptr, i64, i64 }, ptr %t517, i64 %t513
+  %t519 = load { ptr, i64, i64 }, ptr %t518
+  store { ptr, i64, i64 } %t508, ptr %a521
+  store { ptr, i64, i64 } %t519, ptr %a522
+  call void @finch_str_concat(ptr %a520, ptr %a521, ptr %a522)
+  store { ptr, i64, i64 } %t508, ptr %a523
+  call void @finch_str_drop(ptr %a523)
+  %t524 = load { ptr, i64, i64 }, ptr %a520
+  store { ptr, i64, i64 } %t524, ptr %a526
+  store { ptr, i64, i64 } { ptr @.str.1167, i64 1, i64 0 }, ptr %a527
+  call void @finch_str_concat(ptr %a525, ptr %a526, ptr %a527)
+  store { ptr, i64, i64 } %t524, ptr %a528
+  call void @finch_str_drop(ptr %a528)
+  %t529 = load { ptr, i64, i64 }, ptr %a525
+  %t530 = getelementptr inbounds %S.ast.Node, ptr %a481, i32 0, i32 11
+  %t531 = load i64, ptr %t530
+  call void @finch_str_from_int(ptr %a532, i64 %t531)
+  %t533 = load { ptr, i64, i64 }, ptr %a532
+  store { ptr, i64, i64 } %t529, ptr %a535
+  store { ptr, i64, i64 } %t533, ptr %a536
+  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
+  store { ptr, i64, i64 } %t529, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  store { ptr, i64, i64 } %t533, ptr %a538
+  call void @finch_str_drop(ptr %a538)
+  %t539 = load { ptr, i64, i64 }, ptr %a534
+  store { ptr, i64, i64 } %t539, ptr %a541
+  store { ptr, i64, i64 } { ptr @.str.1168, i64 1, i64 0 }, ptr %a542
+  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
+  store { ptr, i64, i64 } %t539, ptr %a543
+  call void @finch_str_drop(ptr %a543)
+  %t544 = load { ptr, i64, i64 }, ptr %a540
+  %t545 = getelementptr inbounds %S.ast.Node, ptr %a481, i32 0, i32 12
+  %t546 = load i64, ptr %t545
+  call void @finch_str_from_int(ptr %a547, i64 %t546)
+  %t548 = load { ptr, i64, i64 }, ptr %a547
+  store { ptr, i64, i64 } %t544, ptr %a550
+  store { ptr, i64, i64 } %t548, ptr %a551
+  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
+  store { ptr, i64, i64 } %t544, ptr %a552
+  call void @finch_str_drop(ptr %a552)
+  store { ptr, i64, i64 } %t548, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  %t554 = load { ptr, i64, i64 }, ptr %a549
+  %t555 = load i64, ptr %t485
+  %t556 = add i64 %t555, 1
+  call void @finch_arr_reserve(ptr %t484, i64 %t556, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t557 = load ptr, ptr %t484
+  %t558 = getelementptr inbounds { ptr, i64, i64 }, ptr %t557, i64 %t555
+  store { ptr, i64, i64 } %t554, ptr %t558
+  store i64 %t556, ptr %t485
+  %t559 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 11
+  %t560 = getelementptr inbounds { ptr, i64, i64 }, ptr %t559, i32 0, i32 1
+  %t561 = load i64, ptr %t560
+  store i64 0, ptr %a562
+  br label %for.cond2031
+for.cond2031:
+  %t563 = load i64, ptr %a562
+  %t564 = icmp slt i64 %t563, %t561
+  br i1 %t564, label %for.body2032, label %for.end2034
+for.body2032:
+  %t565 = load ptr, ptr %a1
+  %t566 = icmp eq ptr %t565, null
+  br i1 %t566, label %panic2035, label %ok2036
+panic2035:
+  call void @finch_panic(ptr @.str.1169, i64 291, ptr @.str.1170)
+  unreachable
+ok2036:
+  %t567 = getelementptr inbounds %S.gen.Gen, ptr %t565, i32 0, i32 28
+  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %t567, i32 0, i32 1
+  %t569 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 0
+  %t570 = load { ptr, i64, i64 }, ptr %t569
+  store { ptr, i64, i64 } { ptr @.str.1171, i64 4, i64 0 }, ptr %a572
+  store { ptr, i64, i64 } %t570, ptr %a573
+  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
+  %t574 = load { ptr, i64, i64 }, ptr %a571
+  store { ptr, i64, i64 } %t574, ptr %a576
+  store { ptr, i64, i64 } { ptr @.str.1172, i64 1, i64 0 }, ptr %a577
+  call void @finch_str_concat(ptr %a575, ptr %a576, ptr %a577)
+  store { ptr, i64, i64 } %t574, ptr %a578
+  call void @finch_str_drop(ptr %a578)
+  %t579 = load { ptr, i64, i64 }, ptr %a575
+  %t580 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 1
+  %t581 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } %t579, ptr %a583
+  store { ptr, i64, i64 } %t581, ptr %a584
+  call void @finch_str_concat(ptr %a582, ptr %a583, ptr %a584)
+  store { ptr, i64, i64 } %t579, ptr %a585
+  call void @finch_str_drop(ptr %a585)
+  %t586 = load { ptr, i64, i64 }, ptr %a582
+  store { ptr, i64, i64 } %t586, ptr %a588
+  store { ptr, i64, i64 } { ptr @.str.1173, i64 1, i64 0 }, ptr %a589
+  call void @finch_str_concat(ptr %a587, ptr %a588, ptr %a589)
+  store { ptr, i64, i64 } %t586, ptr %a590
+  call void @finch_str_drop(ptr %a590)
+  %t591 = load { ptr, i64, i64 }, ptr %a587
+  %t592 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 11
+  %t593 = load i64, ptr %a562
+  %t594 = load { ptr, i64, i64 }, ptr %t592
+  %t595 = extractvalue { ptr, i64, i64 } %t594, 1
+  %t596 = icmp uge i64 %t593, %t595
+  br i1 %t596, label %range2037, label %inrange2038
+range2037:
+  call void @finch_panic_index(ptr @.str.1174, i64 291, i64 %t593, i64 %t595)
+  unreachable
+inrange2038:
+  %t597 = extractvalue { ptr, i64, i64 } %t594, 0
+  %t598 = getelementptr inbounds { ptr, i64, i64 }, ptr %t597, i64 %t593
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  store { ptr, i64, i64 } %t591, ptr %a601
+  store { ptr, i64, i64 } %t599, ptr %a602
+  call void @finch_str_concat(ptr %a600, ptr %a601, ptr %a602)
+  store { ptr, i64, i64 } %t591, ptr %a603
+  call void @finch_str_drop(ptr %a603)
+  %t604 = load { ptr, i64, i64 }, ptr %a600
+  store { ptr, i64, i64 } %t604, ptr %a606
+  store { ptr, i64, i64 } { ptr @.str.1175, i64 1, i64 0 }, ptr %a607
+  call void @finch_str_concat(ptr %a605, ptr %a606, ptr %a607)
+  store { ptr, i64, i64 } %t604, ptr %a608
+  call void @finch_str_drop(ptr %a608)
+  %t609 = load { ptr, i64, i64 }, ptr %a605
+  %t610 = getelementptr inbounds %S.gen.StructDef, ptr %a451, i32 0, i32 12
+  %t611 = load i64, ptr %a562
+  %t612 = load { ptr, i64, i64 }, ptr %t610
+  %t613 = extractvalue { ptr, i64, i64 } %t612, 1
+  %t614 = icmp uge i64 %t611, %t613
+  br i1 %t614, label %range2039, label %inrange2040
+range2039:
+  call void @finch_panic_index(ptr @.str.1176, i64 291, i64 %t611, i64 %t613)
+  unreachable
+inrange2040:
+  %t615 = extractvalue { ptr, i64, i64 } %t612, 0
+  %t616 = getelementptr inbounds %S.ast.Type, ptr %t615, i64 %t611
+  %t617 = load %S.ast.Type, ptr %t616
+  %t618 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t617)
+  store { ptr, i64, i64 } %t609, ptr %a620
+  store { ptr, i64, i64 } %t618, ptr %a621
+  call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
+  store { ptr, i64, i64 } %t609, ptr %a622
+  call void @finch_str_drop(ptr %a622)
+  store { ptr, i64, i64 } %t618, ptr %a623
+  call void @finch_str_drop(ptr %a623)
+  %t624 = load { ptr, i64, i64 }, ptr %a619
+  %t625 = load i64, ptr %t568
+  %t626 = add i64 %t625, 1
+  call void @finch_arr_reserve(ptr %t567, i64 %t626, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t627 = load ptr, ptr %t567
+  %t628 = getelementptr inbounds { ptr, i64, i64 }, ptr %t627, i64 %t625
+  store { ptr, i64, i64 } %t624, ptr %t628
+  store i64 %t626, ptr %t568
+  br label %for.step2033
+for.step2033:
+  %t629 = load i64, ptr %a562
+  %t630 = add i64 %t629, 1
+  store i64 %t630, ptr %a562
+  br label %for.cond2031
+for.end2034:
+  call void @finch.drop.S_ast_Node(ptr %a481)
+  call void @finch.drop.S_gen_StructDef(ptr %a451)
+  br label %each.step2010
+each.step2010:
+  %t631 = load i64, ptr %a440
+  %t632 = add i64 %t631, 1
+  store i64 %t632, ptr %a440
+  br label %each.cond2008
+each.end2011:
+  %t633 = load ptr, ptr %a1
+  %t634 = icmp eq ptr %t633, null
+  br i1 %t634, label %panic2041, label %ok2042
+panic2041:
+  call void @finch_panic(ptr @.str.1177, i64 294, ptr @.str.1178)
+  unreachable
+ok2042:
+  %t635 = getelementptr inbounds %S.gen.Gen, ptr %t633, i32 0, i32 0
+  %t636 = getelementptr inbounds { ptr, i64, i64 }, ptr %t635, i32 0, i32 1
+  %t637 = load i64, ptr %t636
+  store i64 0, ptr %a638
+  br label %for.cond2043
+for.cond2043:
+  %t639 = load i64, ptr %a638
+  %t640 = icmp slt i64 %t639, %t637
+  br i1 %t640, label %for.body2044, label %for.end2046
+for.body2044:
+  %t641 = load ptr, ptr %a1
+  %t642 = icmp eq ptr %t641, null
+  br i1 %t642, label %panic2047, label %ok2048
+panic2047:
+  call void @finch_panic(ptr @.str.1179, i64 295, ptr @.str.1180)
+  unreachable
+ok2048:
+  %t643 = getelementptr inbounds %S.gen.Gen, ptr %t641, i32 0, i32 0
+  %t644 = load i64, ptr %a638
+  %t645 = load { ptr, i64, i64 }, ptr %t643
+  %t646 = extractvalue { ptr, i64, i64 } %t645, 1
+  %t647 = icmp uge i64 %t644, %t646
+  br i1 %t647, label %range2049, label %inrange2050
+range2049:
+  call void @finch_panic_index(ptr @.str.1181, i64 295, i64 %t644, i64 %t646)
+  unreachable
+inrange2050:
+  %t648 = extractvalue { ptr, i64, i64 } %t645, 0
+  %t649 = getelementptr inbounds %S.ast.Program, ptr %t648, i64 %t644
+  %t650 = getelementptr inbounds %S.ast.Program, ptr %t649, i32 0, i32 7
+  store i64 0, ptr %a651
+  br label %each.cond2051
+each.cond2051:
+  %t652 = getelementptr inbounds { ptr, i64, i64 }, ptr %t650, i32 0, i32 1
+  %t653 = load i64, ptr %t652
+  %t654 = load i64, ptr %a651
+  %t655 = icmp slt i64 %t654, %t653
+  br i1 %t655, label %each.body2052, label %each.end2054
+each.body2052:
+  %t656 = load ptr, ptr %t650
+  %t657 = getelementptr inbounds %S.ast.Node, ptr %t656, i64 %t654
+  %t658 = load %S.ast.Node, ptr %t657
+  store %S.ast.Node %t658, ptr %a659
+  call void @finch.copy.S_ast_Node(ptr %a660, ptr %a659)
+  %t661 = load %S.ast.Node, ptr %a660
+  store %S.ast.Node %t661, ptr %a662
+  store { ptr, i64, i64 } { ptr @.str.1182, i64 0, i64 0 }, ptr %a663
+  store { ptr, i64, i64 } zeroinitializer, ptr %a664
+  %t665 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 9
+  store i64 0, ptr %a666
+  br label %each.cond2055
+each.cond2055:
+  %t667 = getelementptr inbounds { ptr, i64, i64 }, ptr %t665, i32 0, i32 1
+  %t668 = load i64, ptr %t667
+  %t669 = load i64, ptr %a666
+  %t670 = icmp slt i64 %t669, %t668
+  br i1 %t670, label %each.body2056, label %each.end2058
+each.body2056:
+  %t671 = load ptr, ptr %t665
+  %t672 = getelementptr inbounds %S.ast.Node, ptr %t671, i64 %t669
+  %t673 = load %S.ast.Node, ptr %t672
+  store %S.ast.Node %t673, ptr %a674
+  %t675 = getelementptr inbounds { ptr, i64, i64 }, ptr %a664, i32 0, i32 1
+  %t676 = getelementptr inbounds %S.ast.Node, ptr %a674, i32 0, i32 1
+  %t677 = load { ptr, i64, i64 }, ptr %t676
+  store { ptr, i64, i64 } %t677, ptr %a678
+  call void @finch_str_copy(ptr %a679, ptr %a678)
+  %t680 = load { ptr, i64, i64 }, ptr %a679
+  %t681 = load i64, ptr %t675
+  %t682 = add i64 %t681, 1
+  call void @finch_arr_reserve(ptr %a664, i64 %t682, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t683 = load ptr, ptr %a664
+  %t684 = getelementptr inbounds { ptr, i64, i64 }, ptr %t683, i64 %t681
+  store { ptr, i64, i64 } %t680, ptr %t684
+  store i64 %t682, ptr %t675
+  br label %each.step2057
+each.step2057:
+  %t685 = load i64, ptr %a666
+  %t686 = add i64 %t685, 1
+  store i64 %t686, ptr %a666
+  br label %each.cond2055
+each.end2058:
+  %t687 = getelementptr inbounds { ptr, i64, i64 }, ptr %a664, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1183, i64 1, i64 0 }, ptr %a688
+  call void @finch_str_join(ptr %a689, ptr %a664, ptr %a688)
+  %t690 = load { ptr, i64, i64 }, ptr %a689
+  %t691 = load { ptr, i64, i64 }, ptr %a663
+  store { ptr, i64, i64 } %t690, ptr %a663
+  store { ptr, i64, i64 } %t691, ptr %a692
+  call void @finch_str_drop(ptr %a692)
+  %t693 = load ptr, ptr %a1
+  %t694 = icmp eq ptr %t693, null
+  br i1 %t694, label %panic2059, label %ok2060
+panic2059:
+  call void @finch_panic(ptr @.str.1184, i64 302, ptr @.str.1185)
+  unreachable
+ok2060:
+  %t695 = getelementptr inbounds %S.gen.Gen, ptr %t693, i32 0, i32 28
+  %t696 = getelementptr inbounds { ptr, i64, i64 }, ptr %t695, i32 0, i32 1
+  %t697 = load ptr, ptr %a1
+  %t698 = icmp eq ptr %t697, null
+  br i1 %t698, label %panic2061, label %ok2062
+panic2061:
+  call void @finch_panic(ptr @.str.1187, i64 302, ptr @.str.1188)
+  unreachable
+ok2062:
+  %t699 = getelementptr inbounds %S.gen.Gen, ptr %t697, i32 0, i32 0
+  %t700 = load i64, ptr %a638
+  %t701 = load { ptr, i64, i64 }, ptr %t699
+  %t702 = extractvalue { ptr, i64, i64 } %t701, 1
+  %t703 = icmp uge i64 %t700, %t702
+  br i1 %t703, label %range2063, label %inrange2064
+range2063:
+  call void @finch_panic_index(ptr @.str.1189, i64 302, i64 %t700, i64 %t702)
+  unreachable
+inrange2064:
+  %t704 = extractvalue { ptr, i64, i64 } %t701, 0
+  %t705 = getelementptr inbounds %S.ast.Program, ptr %t704, i64 %t700
+  %t706 = getelementptr inbounds %S.ast.Program, ptr %t705, i32 0, i32 0
+  %t707 = load { ptr, i64, i64 }, ptr %t706
+  store { ptr, i64, i64 } { ptr @.str.1186, i64 3, i64 0 }, ptr %a709
+  store { ptr, i64, i64 } %t707, ptr %a710
+  call void @finch_str_concat(ptr %a708, ptr %a709, ptr %a710)
+  %t711 = load { ptr, i64, i64 }, ptr %a708
+  store { ptr, i64, i64 } %t711, ptr %a713
+  store { ptr, i64, i64 } { ptr @.str.1190, i64 1, i64 0 }, ptr %a714
+  call void @finch_str_concat(ptr %a712, ptr %a713, ptr %a714)
+  store { ptr, i64, i64 } %t711, ptr %a715
+  call void @finch_str_drop(ptr %a715)
+  %t716 = load { ptr, i64, i64 }, ptr %a712
+  %t717 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 1
+  %t718 = load { ptr, i64, i64 }, ptr %t717
+  store { ptr, i64, i64 } %t716, ptr %a720
+  store { ptr, i64, i64 } %t718, ptr %a721
+  call void @finch_str_concat(ptr %a719, ptr %a720, ptr %a721)
+  store { ptr, i64, i64 } %t716, ptr %a722
+  call void @finch_str_drop(ptr %a722)
+  %t723 = load { ptr, i64, i64 }, ptr %a719
+  store { ptr, i64, i64 } %t723, ptr %a725
+  store { ptr, i64, i64 } { ptr @.str.1191, i64 1, i64 0 }, ptr %a726
+  call void @finch_str_concat(ptr %a724, ptr %a725, ptr %a726)
+  store { ptr, i64, i64 } %t723, ptr %a727
+  call void @finch_str_drop(ptr %a727)
+  %t728 = load { ptr, i64, i64 }, ptr %a724
+  %t729 = load ptr, ptr %a1
+  %t730 = icmp eq ptr %t729, null
+  br i1 %t730, label %panic2065, label %ok2066
+panic2065:
+  call void @finch_panic(ptr @.str.1192, i64 302, ptr @.str.1193)
+  unreachable
+ok2066:
+  %t731 = getelementptr inbounds %S.gen.Gen, ptr %t729, i32 0, i32 1
+  %t732 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 13
+  %t733 = load i64, ptr %t732
+  %t734 = load { ptr, i64, i64 }, ptr %t731
+  %t735 = extractvalue { ptr, i64, i64 } %t734, 1
+  %t736 = icmp uge i64 %t733, %t735
+  br i1 %t736, label %range2067, label %inrange2068
+range2067:
+  call void @finch_panic_index(ptr @.str.1194, i64 302, i64 %t733, i64 %t735)
+  unreachable
+inrange2068:
+  %t737 = extractvalue { ptr, i64, i64 } %t734, 0
+  %t738 = getelementptr inbounds { ptr, i64, i64 }, ptr %t737, i64 %t733
+  %t739 = load { ptr, i64, i64 }, ptr %t738
+  store { ptr, i64, i64 } %t728, ptr %a741
+  store { ptr, i64, i64 } %t739, ptr %a742
+  call void @finch_str_concat(ptr %a740, ptr %a741, ptr %a742)
+  store { ptr, i64, i64 } %t728, ptr %a743
+  call void @finch_str_drop(ptr %a743)
+  %t744 = load { ptr, i64, i64 }, ptr %a740
+  store { ptr, i64, i64 } %t744, ptr %a746
+  store { ptr, i64, i64 } { ptr @.str.1195, i64 1, i64 0 }, ptr %a747
+  call void @finch_str_concat(ptr %a745, ptr %a746, ptr %a747)
+  store { ptr, i64, i64 } %t744, ptr %a748
+  call void @finch_str_drop(ptr %a748)
+  %t749 = load { ptr, i64, i64 }, ptr %a745
+  %t750 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 11
+  %t751 = load i64, ptr %t750
+  call void @finch_str_from_int(ptr %a752, i64 %t751)
+  %t753 = load { ptr, i64, i64 }, ptr %a752
+  store { ptr, i64, i64 } %t749, ptr %a755
+  store { ptr, i64, i64 } %t753, ptr %a756
+  call void @finch_str_concat(ptr %a754, ptr %a755, ptr %a756)
+  store { ptr, i64, i64 } %t749, ptr %a757
+  call void @finch_str_drop(ptr %a757)
+  store { ptr, i64, i64 } %t753, ptr %a758
+  call void @finch_str_drop(ptr %a758)
+  %t759 = load { ptr, i64, i64 }, ptr %a754
+  store { ptr, i64, i64 } %t759, ptr %a761
+  store { ptr, i64, i64 } { ptr @.str.1196, i64 1, i64 0 }, ptr %a762
+  call void @finch_str_concat(ptr %a760, ptr %a761, ptr %a762)
+  store { ptr, i64, i64 } %t759, ptr %a763
+  call void @finch_str_drop(ptr %a763)
+  %t764 = load { ptr, i64, i64 }, ptr %a760
+  %t765 = getelementptr inbounds %S.ast.Node, ptr %a662, i32 0, i32 12
+  %t766 = load i64, ptr %t765
+  call void @finch_str_from_int(ptr %a767, i64 %t766)
+  %t768 = load { ptr, i64, i64 }, ptr %a767
+  store { ptr, i64, i64 } %t764, ptr %a770
+  store { ptr, i64, i64 } %t768, ptr %a771
+  call void @finch_str_concat(ptr %a769, ptr %a770, ptr %a771)
+  store { ptr, i64, i64 } %t764, ptr %a772
+  call void @finch_str_drop(ptr %a772)
+  store { ptr, i64, i64 } %t768, ptr %a773
+  call void @finch_str_drop(ptr %a773)
+  %t774 = load { ptr, i64, i64 }, ptr %a769
+  store { ptr, i64, i64 } %t774, ptr %a776
+  store { ptr, i64, i64 } { ptr @.str.1197, i64 1, i64 0 }, ptr %a777
+  call void @finch_str_concat(ptr %a775, ptr %a776, ptr %a777)
+  store { ptr, i64, i64 } %t774, ptr %a778
+  call void @finch_str_drop(ptr %a778)
+  %t779 = load { ptr, i64, i64 }, ptr %a775
+  %t780 = load { ptr, i64, i64 }, ptr %a663
+  store { ptr, i64, i64 } %t779, ptr %a782
+  store { ptr, i64, i64 } %t780, ptr %a783
+  call void @finch_str_concat(ptr %a781, ptr %a782, ptr %a783)
+  store { ptr, i64, i64 } %t779, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = load { ptr, i64, i64 }, ptr %a781
+  %t786 = load i64, ptr %t696
+  %t787 = add i64 %t786, 1
+  call void @finch_arr_reserve(ptr %t695, i64 %t787, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t788 = load ptr, ptr %t695
+  %t789 = getelementptr inbounds { ptr, i64, i64 }, ptr %t788, i64 %t786
+  store { ptr, i64, i64 } %t785, ptr %t789
+  store i64 %t787, ptr %t696
+  call void @finch.drop.arr_str(ptr %a664)
+  call void @finch_str_drop(ptr %a663)
+  call void @finch.drop.S_ast_Node(ptr %a662)
+  br label %each.step2053
+each.step2053:
+  %t790 = load i64, ptr %a651
+  %t791 = add i64 %t790, 1
+  store i64 %t791, ptr %a651
+  br label %each.cond2051
+each.end2054:
+  br label %for.step2045
+for.step2045:
+  %t792 = load i64, ptr %a638
+  %t793 = add i64 %t792, 1
+  store i64 %t793, ptr %a638
+  br label %for.cond2043
+for.end2046:
   ret void
 }
 
@@ -21024,161 +23664,191 @@ entry:
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2012, label %ok2013
-panic2012:
-  call void @finch_panic(ptr @.str.1193, i64 288, ptr @.str.1194)
+  br i1 %t5, label %panic2069, label %ok2070
+panic2069:
+  call void @finch_panic(ptr @.str.1198, i64 308, ptr @.str.1199)
   unreachable
-ok2013:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok2070:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
-  br label %logic.from2014
-logic.from2014:
-  br i1 %t7, label %logic.rhs2015, label %logic.end2016
-logic.rhs2015:
+  br label %logic.from2071
+logic.from2071:
+  br i1 %t7, label %logic.rhs2072, label %logic.end2073
+logic.rhs2072:
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic2017, label %ok2018
-panic2017:
-  call void @finch_panic(ptr @.str.1195, i64 288, ptr @.str.1196)
+  br i1 %t9, label %panic2074, label %ok2075
+panic2074:
+  call void @finch_panic(ptr @.str.1200, i64 308, ptr @.str.1201)
   unreachable
-ok2018:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 27
+ok2075:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 28
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = icmp sgt i64 %t12, 0
-  br label %logic.rend2019
-logic.rend2019:
-  br label %logic.end2016
-logic.end2016:
-  %t14 = phi i1 [ false, %logic.from2014 ], [ %t13, %logic.rend2019 ]
-  br i1 %t14, label %then2020, label %endif2022
-then2020:
+  br label %logic.rend2076
+logic.rend2076:
+  br label %logic.end2073
+logic.end2073:
+  %t14 = phi i1 [ false, %logic.from2071 ], [ %t13, %logic.rend2076 ]
+  br i1 %t14, label %then2077, label %endif2079
+then2077:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic2023, label %ok2024
-panic2023:
-  call void @finch_panic(ptr @.str.1197, i64 289, ptr @.str.1198)
+  br i1 %t16, label %panic2080, label %ok2081
+panic2080:
+  call void @finch_panic(ptr @.str.1202, i64 309, ptr @.str.1203)
   unreachable
-ok2024:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 27
+ok2081:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 28
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1199, i64 1, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1204, i64 1, i64 0 }, ptr %a19
   call void @finch_str_join(ptr %a20, ptr %t17, ptr %a19)
   %t21 = load { ptr, i64, i64 }, ptr %a20
   %t22 = extractvalue { ptr, i64, i64 } %t21, 1
   %t23 = trunc i64 %t22 to i32
   %t24 = extractvalue { ptr, i64, i64 } %t21, 0
   %t25 = icmp eq ptr %t24, null
-  %t26 = select i1 %t25, ptr @.str.1200, ptr %t24
-  %t27 = call i32 (ptr, ...) @printf(ptr @.str.1201, i32 %t23, ptr %t26)
-  %t28 = call i32 (ptr, ...) @printf(ptr @.str.1202)
-  br label %endif2022
-endif2022:
-  %t29 = load ptr, ptr %a1
-  %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2025, label %ok2026
-panic2025:
-  call void @finch_panic(ptr @.str.1203, i64 291, ptr @.str.1204)
+  %t26 = select i1 %t25, ptr @.str.1205, ptr %t24
+  %t27 = call i32 (ptr, ...) @printf(ptr @.str.1206, i32 %t23, ptr %t26)
+  store { ptr, i64, i64 } %t21, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = call i32 (ptr, ...) @printf(ptr @.str.1207)
+  br label %endif2079
+endif2079:
+  %t30 = load ptr, ptr %a1
+  %t31 = icmp eq ptr %t30, null
+  br i1 %t31, label %panic2082, label %ok2083
+panic2082:
+  call void @finch_panic(ptr @.str.1208, i64 311, ptr @.str.1209)
   unreachable
-ok2026:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 1
-  %t32 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t33 = load i64, ptr %t32
-  %t34 = load { ptr, i64, i64 }, ptr %t31
-  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
-  %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range2027, label %inrange2028
-range2027:
-  call void @finch_panic_index(ptr @.str.1205, i64 291, i64 %t33, i64 %t35)
+ok2083:
+  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 1
+  %t33 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t34 = load i64, ptr %t33
+  %t35 = load { ptr, i64, i64 }, ptr %t32
+  %t36 = extractvalue { ptr, i64, i64 } %t35, 1
+  %t37 = icmp uge i64 %t34, %t36
+  br i1 %t37, label %range2084, label %inrange2085
+range2084:
+  call void @finch_panic_index(ptr @.str.1210, i64 311, i64 %t34, i64 %t36)
   unreachable
-inrange2028:
-  %t37 = extractvalue { ptr, i64, i64 } %t34, 0
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t33
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  store { ptr, i64, i64 } %t39, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.1206, i64 1, i64 0 }, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t45 = load i64, ptr %t44
-  call void @finch_str_from_int(ptr %a46, i64 %t45)
-  %t47 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t43, ptr %a49
-  store { ptr, i64, i64 } %t47, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.1207, i64 1, i64 0 }, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  %t56 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t57 = load i64, ptr %t56
-  call void @finch_str_from_int(ptr %a58, i64 %t57)
-  %t59 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t55, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.1208, i64 9, i64 0 }, ptr %a66
+inrange2085:
+  %t38 = extractvalue { ptr, i64, i64 } %t35, 0
+  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i64 %t34
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1211, i64 1, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a41
+  %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t46 = load i64, ptr %t45
+  call void @finch_str_from_int(ptr %a47, i64 %t46)
+  %t48 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t44, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t44, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.1212, i64 1, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t61 = load i64, ptr %t60
+  call void @finch_str_from_int(ptr %a62, i64 %t61)
+  %t63 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t59, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t67, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load ptr, ptr %a1
-  %t74 = icmp eq ptr %t73, null
-  br i1 %t74, label %panic2029, label %ok2030
-panic2029:
-  call void @finch_panic(ptr @.str.1209, i64 291, ptr @.str.1210)
+  store { ptr, i64, i64 } %t59, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.1213, i64 9, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t74, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic2086, label %ok2087
+panic2086:
+  call void @finch_panic(ptr @.str.1214, i64 311, ptr @.str.1215)
   unreachable
-ok2030:
-  %t75 = getelementptr inbounds %S.gen.Gen, ptr %t73, i32 0, i32 19
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  store { ptr, i64, i64 } %t72, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = extractvalue { ptr, i64, i64 } %t80, 1
-  %t82 = trunc i64 %t81 to i32
-  %t83 = extractvalue { ptr, i64, i64 } %t80, 0
-  %t84 = icmp eq ptr %t83, null
-  %t85 = select i1 %t84, ptr @.str.1211, ptr %t83
-  %t86 = call i32 (ptr, ...) @printf(ptr @.str.1212, i32 %t82, ptr %t85)
-  %t87 = call i32 (ptr, ...) @printf(ptr @.str.1213)
-  %t88 = trunc i64 1 to i32
-  %t89 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t88)
+ok2087:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 20
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } %t80, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t80, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  %t90 = extractvalue { ptr, i64, i64 } %t89, 1
+  %t91 = trunc i64 %t90 to i32
+  %t92 = extractvalue { ptr, i64, i64 } %t89, 0
+  %t93 = icmp eq ptr %t92, null
+  %t94 = select i1 %t93, ptr @.str.1216, ptr %t92
+  %t95 = call i32 (ptr, ...) @printf(ptr @.str.1217, i32 %t91, ptr %t94)
+  store { ptr, i64, i64 } %t89, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = call i32 (ptr, ...) @printf(ptr @.str.1218)
+  %t98 = trunc i64 1 to i32
+  %t99 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t98)
   ret void
 }
 
@@ -21195,97 +23865,106 @@ entry:
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2031, label %ok2032
-panic2031:
-  call void @finch_panic(ptr @.str.1214, i64 297, ptr @.str.1215)
+  br i1 %t4, label %panic2088, label %ok2089
+panic2088:
+  call void @finch_panic(ptr @.str.1219, i64 317, ptr @.str.1220)
   unreachable
-ok2032:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 34
+ok2089:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 35
   %t6 = load i64, ptr %t5
   %t7 = icmp sge i64 %t6, 0
-  br label %logic.from2033
-logic.from2033:
-  br i1 %t7, label %logic.rhs2034, label %logic.end2035
-logic.rhs2034:
+  br label %logic.from2090
+logic.from2090:
+  br i1 %t7, label %logic.rhs2091, label %logic.end2092
+logic.rhs2091:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1217, i64 5, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1222, i64 5, i64 0 }, ptr %a11
   %t12 = call i64 @finch_str_find(ptr %a9, ptr %a11)
   %t13 = icmp sge i64 %t12, 0
-  br label %logic.rend2036
-logic.rend2036:
-  br label %logic.end2035
-logic.end2035:
-  %t14 = phi i1 [ false, %logic.from2033 ], [ %t13, %logic.rend2036 ]
-  br i1 %t14, label %then2037, label %endif2039
-then2037:
+  br label %logic.rend2093
+logic.rend2093:
+  br label %logic.end2092
+logic.end2092:
+  %t14 = phi i1 [ false, %logic.from2090 ], [ %t13, %logic.rend2093 ]
+  br i1 %t14, label %then2094, label %endif2096
+then2094:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic2040, label %ok2041
-panic2040:
-  call void @finch_panic(ptr @.str.1218, i64 298, ptr @.str.1219)
+  br i1 %t16, label %panic2097, label %ok2098
+panic2097:
+  call void @finch_panic(ptr @.str.1223, i64 318, ptr @.str.1224)
   unreachable
-ok2041:
+ok2098:
   %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 4
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1220, i64 2, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1225, i64 2, i64 0 }, ptr %a21
   store { ptr, i64, i64 } %t19, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
   %t23 = load { ptr, i64, i64 }, ptr %a20
   store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1221, i64 8, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1226, i64 8, i64 0 }, ptr %a26
   call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = load ptr, ptr %a1
-  %t29 = call i64 @finch.gen.dbgLocation(ptr %t28)
-  call void @finch_str_from_int(ptr %a30, i64 %t29)
-  %t31 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t27, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = load i64, ptr %t18
-  %t37 = add i64 %t36, 1
-  call void @finch_arr_reserve(ptr %t17, i64 %t37, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t38 = load ptr, ptr %t17
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i64 %t36
-  store { ptr, i64, i64 } %t35, ptr %t39
-  store i64 %t37, ptr %t18
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  %t29 = load ptr, ptr %a1
+  %t30 = call i64 @finch.gen.dbgLocation(ptr %t29)
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t28, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t28, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  %t39 = load i64, ptr %t18
+  %t40 = add i64 %t39, 1
+  call void @finch_arr_reserve(ptr %t17, i64 %t40, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t41 = load ptr, ptr %t17
+  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i64 %t39
+  store { ptr, i64, i64 } %t38, ptr %t42
+  store i64 %t40, ptr %t18
   ret void
-endif2039:
-  %t40 = load ptr, ptr %a1
-  %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic2042, label %ok2043
-panic2042:
-  call void @finch_panic(ptr @.str.1222, i64 301, ptr @.str.1223)
+endif2096:
+  %t43 = load ptr, ptr %a1
+  %t44 = icmp eq ptr %t43, null
+  br i1 %t44, label %panic2099, label %ok2100
+panic2099:
+  call void @finch_panic(ptr @.str.1227, i64 321, ptr @.str.1228)
   unreachable
-ok2043:
-  %t42 = getelementptr inbounds %S.gen.Gen, ptr %t40, i32 0, i32 4
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
-  %t44 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1224, i64 2, i64 0 }, ptr %a46
-  store { ptr, i64, i64 } %t44, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load i64, ptr %t43
-  %t50 = add i64 %t49, 1
-  call void @finch_arr_reserve(ptr %t42, i64 %t50, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t51 = load ptr, ptr %t42
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i64 %t49
-  store { ptr, i64, i64 } %t48, ptr %t52
-  store i64 %t50, ptr %t43
+ok2100:
+  %t45 = getelementptr inbounds %S.gen.Gen, ptr %t43, i32 0, i32 4
+  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i32 0, i32 1
+  %t47 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1229, i64 2, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } %t47, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a48
+  %t52 = load i64, ptr %t46
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %t45, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %t45
+  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
+  store { ptr, i64, i64 } %t51, ptr %t55
+  store i64 %t53, ptr %t46
   ret void
 }
 
@@ -21296,34 +23975,37 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic2044, label %ok2045
-panic2044:
-  call void @finch_panic(ptr @.str.1225, i64 305, ptr @.str.1226)
+  br i1 %t3, label %panic2101, label %ok2102
+panic2101:
+  call void @finch_panic(ptr @.str.1230, i64 325, ptr @.str.1231)
   unreachable
-ok2045:
+ok2102:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 6
   %t5 = load i64, ptr %t4
   %t6 = add i64 %t5, 1
   store i64 %t6, ptr %t4
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic2046, label %ok2047
-panic2046:
-  call void @finch_panic(ptr @.str.1228, i64 306, ptr @.str.1229)
+  br i1 %t8, label %panic2103, label %ok2104
+panic2103:
+  call void @finch_panic(ptr @.str.1233, i64 326, ptr @.str.1234)
   unreachable
-ok2047:
+ok2104:
   %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 6
   %t10 = load i64, ptr %t9
   call void @finch_str_from_int(ptr %a11, i64 %t10)
   %t12 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1227, i64 2, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1232, i64 2, i64 0 }, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  ret { ptr, i64, i64 } %t16
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  ret { ptr, i64, i64 } %t17
 }
 
 define internal { ptr, i64, i64 } @finch.gen.newLabel(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -21334,15 +24016,16 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2048, label %ok2049
-panic2048:
-  call void @finch_panic(ptr @.str.1230, i64 310, ptr @.str.1231)
+  br i1 %t4, label %panic2105, label %ok2106
+panic2105:
+  call void @finch_panic(ptr @.str.1235, i64 330, ptr @.str.1236)
   unreachable
-ok2049:
+ok2106:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 7
   %t6 = load i64, ptr %t5
   %t7 = add i64 %t6, 1
@@ -21350,11 +24033,11 @@ ok2049:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic2050, label %ok2051
-panic2050:
-  call void @finch_panic(ptr @.str.1232, i64 311, ptr @.str.1233)
+  br i1 %t10, label %panic2107, label %ok2108
+panic2107:
+  call void @finch_panic(ptr @.str.1237, i64 331, ptr @.str.1238)
   unreachable
-ok2051:
+ok2108:
   %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 7
   %t12 = load i64, ptr %t11
   call void @finch_str_from_int(ptr %a13, i64 %t12)
@@ -21362,8 +24045,10 @@ ok2051:
   store { ptr, i64, i64 } %t8, ptr %a16
   store { ptr, i64, i64 } %t14, ptr %a17
   call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  ret { ptr, i64, i64 } %t18
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  ret { ptr, i64, i64 } %t19
 }
 
 define internal void @finch.gen.label(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -21377,16 +24062,16 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2052, label %ok2053
-panic2052:
-  call void @finch_panic(ptr @.str.1234, i64 315, ptr @.str.1235)
+  br i1 %t4, label %panic2109, label %ok2110
+panic2109:
+  call void @finch_panic(ptr @.str.1239, i64 335, ptr @.str.1240)
   unreachable
-ok2053:
+ok2110:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 4
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1236, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1241, i64 1, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   %t12 = load i64, ptr %t6
@@ -21398,11 +24083,11 @@ ok2053:
   store i64 %t13, ptr %t6
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic2054, label %ok2055
-panic2054:
-  call void @finch_panic(ptr @.str.1237, i64 316, ptr @.str.1238)
+  br i1 %t17, label %panic2111, label %ok2112
+panic2111:
+  call void @finch_panic(ptr @.str.1242, i64 336, ptr @.str.1243)
   unreachable
-ok2055:
+ok2112:
   %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 9
   store i1 false, ptr %t18
   ret void
@@ -21415,38 +24100,41 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2056, label %ok2057
-panic2056:
-  call void @finch_panic(ptr @.str.1239, i64 320, ptr @.str.1240)
+  br i1 %t4, label %panic2113, label %ok2114
+panic2113:
+  call void @finch_panic(ptr @.str.1244, i64 340, ptr @.str.1245)
   unreachable
-ok2057:
+ok2114:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 9
   %t6 = load i1, ptr %t5
   %t7 = xor i1 %t6, true
-  br i1 %t7, label %then2058, label %endif2060
-then2058:
+  br i1 %t7, label %then2115, label %endif2117
+then2115:
   %t8 = load ptr, ptr %a1
   %t9 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1241, i64 10, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1246, i64 10, i64 0 }, ptr %a11
   store { ptr, i64, i64 } %t9, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
   %t13 = load { ptr, i64, i64 }, ptr %a10
   call void @finch.gen.emit(ptr %t8, { ptr, i64, i64 } %t13)
-  %t14 = load ptr, ptr %a1
-  %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic2061, label %ok2062
-panic2061:
-  call void @finch_panic(ptr @.str.1242, i64 322, ptr @.str.1243)
+  store { ptr, i64, i64 } %t13, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load ptr, ptr %a1
+  %t16 = icmp eq ptr %t15, null
+  br i1 %t16, label %panic2118, label %ok2119
+panic2118:
+  call void @finch_panic(ptr @.str.1247, i64 342, ptr @.str.1248)
   unreachable
-ok2062:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 9
-  store i1 true, ptr %t16
-  br label %endif2060
-endif2060:
+ok2119:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 9
+  store i1 true, ptr %t17
+  br label %endif2117
+endif2117:
   ret void
 }
 
@@ -21462,53 +24150,68 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1244, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.1249, i64 6, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1245, i64 9, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.1250, i64 9, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t14, ptr %a17
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t15, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.1246, i64 9, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t23, ptr %a26
-  store { ptr, i64, i64 } %t24, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t28)
-  %t29 = load ptr, ptr %a1
-  %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2063, label %ok2064
-panic2063:
-  call void @finch_panic(ptr @.str.1247, i64 328, ptr @.str.1248)
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.1251, i64 9, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t26, ptr %a29
+  store { ptr, i64, i64 } %t27, ptr %a30
+  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t32)
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load ptr, ptr %a1
+  %t35 = icmp eq ptr %t34, null
+  br i1 %t35, label %panic2120, label %ok2121
+panic2120:
+  call void @finch_panic(ptr @.str.1252, i64 348, ptr @.str.1253)
   unreachable
-ok2064:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 9
-  store i1 true, ptr %t31
+ok2121:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 9
+  store i1 true, ptr %t36
   ret void
 }
 
@@ -21520,89 +24223,96 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2065, label %ok2066
-panic2065:
-  call void @finch_panic(ptr @.str.1249, i64 332, ptr @.str.1250)
+  br i1 %t4, label %panic2122, label %ok2123
+panic2122:
+  call void @finch_panic(ptr @.str.1254, i64 352, ptr @.str.1255)
   unreachable
-ok2066:
+ok2123:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 6
   %t6 = load i64, ptr %t5
   %t7 = add i64 %t6, 1
   store i64 %t7, ptr %t5
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic2067, label %ok2068
-panic2067:
-  call void @finch_panic(ptr @.str.1252, i64 333, ptr @.str.1253)
+  br i1 %t9, label %panic2124, label %ok2125
+panic2124:
+  call void @finch_panic(ptr @.str.1257, i64 353, ptr @.str.1258)
   unreachable
-ok2068:
+ok2125:
   %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 6
   %t11 = load i64, ptr %t10
   call void @finch_str_from_int(ptr %a12, i64 %t11)
   %t13 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1251, i64 2, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1256, i64 2, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a18
-  %t19 = load ptr, ptr %a1
-  %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic2069, label %ok2070
-panic2069:
-  call void @finch_panic(ptr @.str.1254, i64 334, ptr @.str.1255)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a19
+  %t20 = load ptr, ptr %a1
+  %t21 = icmp eq ptr %t20, null
+  br i1 %t21, label %panic2126, label %ok2127
+panic2126:
+  call void @finch_panic(ptr @.str.1259, i64 354, ptr @.str.1260)
   unreachable
-ok2070:
-  %t21 = getelementptr inbounds %S.gen.Gen, ptr %t19, i32 0, i32 5
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
-  %t23 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1256, i64 2, i64 0 }, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t27, ptr %a29
-  store { ptr, i64, i64 } { ptr @.str.1257, i64 10, i64 0 }, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  %t32 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t31, ptr %a34
-  store { ptr, i64, i64 } %t32, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t36, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.1258, i64 10, i64 0 }, ptr %a39
-  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  %t41 = load i64, ptr %t22
-  %t42 = add i64 %t41, 1
-  call void @finch_arr_reserve(ptr %t21, i64 %t42, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t43 = load ptr, ptr %t21
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
-  store { ptr, i64, i64 } %t40, ptr %t44
-  store i64 %t42, ptr %t22
-  %t45 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t45, ptr %a46
-  call void @finch_str_copy(ptr %a47, ptr %a46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  ret { ptr, i64, i64 } %t48
+ok2127:
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 5
+  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
+  %t24 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1261, i64 2, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1262, i64 10, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t33, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1263, i64 10, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load i64, ptr %t23
+  %t46 = add i64 %t45, 1
+  call void @finch_arr_reserve(ptr %t22, i64 %t46, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t47 = load ptr, ptr %t22
+  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t45
+  store { ptr, i64, i64 } %t44, ptr %t48
+  store i64 %t46, ptr %t23
+  %t49 = load { ptr, i64, i64 }, ptr %a19
+  ret { ptr, i64, i64 } %t49
 }
 
 define internal { ptr, i64, i64 } @finch.gen.load(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
@@ -21617,14 +24327,16 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -21634,29 +24346,34 @@ entry:
   %t7 = load ptr, ptr %a1
   %t8 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1259, i64 8, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1264, i64 8, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t12, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.1260, i64 6, i64 0 }, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  %t22 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t21, ptr %a24
-  store { ptr, i64, i64 } %t22, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  call void @finch.gen.emit(ptr %t7, { ptr, i64, i64 } %t26)
-  %t27 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t27, ptr %a28
-  call void @finch_str_copy(ptr %a29, ptr %a28)
-  %t30 = load { ptr, i64, i64 }, ptr %a29
-  ret { ptr, i64, i64 } %t30
+  store { ptr, i64, i64 } %t12, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.1265, i64 6, i64 0 }, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  %t24 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t23, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t23, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.emit(ptr %t7, { ptr, i64, i64 } %t29)
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a6
+  ret { ptr, i64, i64 } %t31
 }
 
 define internal void @finch.gen.store(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, { ptr, i64, i64 } %p3) {
@@ -21671,44 +24388,59 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1261, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.1266, i64 6, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1262, i64 1, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.1267, i64 1, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t14, ptr %a17
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t15, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.1263, i64 6, i64 0 }, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t23, ptr %a26
-  store { ptr, i64, i64 } %t24, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t28)
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t21, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.1268, i64 6, i64 0 }, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  %t27 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t26, ptr %a29
+  store { ptr, i64, i64 } %t27, ptr %a30
+  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  call void @finch.gen.emit(ptr %t5, { ptr, i64, i64 } %t32)
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
   ret void
 }
 
@@ -21717,8 +24449,8 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.gen.Val, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.Val %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -21727,21 +24459,22 @@ entry:
   %t6 = load %S.ast.Type, ptr %t5
   %t7 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t4, %S.ast.Type %t6)
   %t8 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t3, { ptr, i64, i64 } %t7)
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t7, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  store { ptr, i64, i64 } %t8, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t13 = load %S.ast.Type, ptr %t12
-  %t14 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t11, %S.ast.Type %t13)
-  %t15 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t16 = load { ptr, i64, i64 }, ptr %t15
-  %t17 = load { ptr, i64, i64 }, ptr %a9
-  call void @finch.gen.store(ptr %t10, { ptr, i64, i64 } %t14, { ptr, i64, i64 } %t16, { ptr, i64, i64 } %t17)
-  %t18 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t18, ptr %a19
-  call void @finch_str_copy(ptr %a20, ptr %a19)
-  %t21 = load { ptr, i64, i64 }, ptr %a20
-  ret { ptr, i64, i64 } %t21
+  %t12 = load ptr, ptr %a1
+  %t13 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t14 = load %S.ast.Type, ptr %t13
+  %t15 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t12, %S.ast.Type %t14)
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t17 = load { ptr, i64, i64 }, ptr %t16
+  %t18 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.store(ptr %t11, { ptr, i64, i64 } %t15, { ptr, i64, i64 } %t17, { ptr, i64, i64 } %t18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t20
 }
 
 define internal { ptr, i64, i64 } @finch.gen.op(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -21755,8 +24488,8 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -21765,20 +24498,21 @@ entry:
   %t6 = load ptr, ptr %a1
   %t7 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1264, i64 3, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1269, i64 3, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   %t12 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t11, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  call void @finch.gen.emit(ptr %t6, { ptr, i64, i64 } %t16)
-  %t17 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t11, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  call void @finch.gen.emit(ptr %t6, { ptr, i64, i64 } %t17)
   store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_copy(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t20
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a5
+  ret { ptr, i64, i64 } %t19
 }
 
 define internal i1 @finch.gen.has({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
@@ -21797,27 +24531,27 @@ entry:
   %t6 = load i64, ptr %t3
   %t7 = load ptr, ptr %a1
   store i64 0, ptr %a8
-  br label %find.cond2071
-find.cond2071:
+  br label %find.cond2128
+find.cond2128:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t6
-  br i1 %t10, label %find.body2072, label %find.end2075
-find.body2072:
+  br i1 %t10, label %find.body2129, label %find.end2132
+find.body2129:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i64 %t9
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
   store { ptr, i64, i64 } %t4, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br i1 %t16, label %find.hit2073, label %find.next2074
-find.hit2073:
+  br i1 %t16, label %find.hit2130, label %find.next2131
+find.hit2130:
   store i64 %t9, ptr %a5
-  br label %find.end2075
-find.next2074:
+  br label %find.end2132
+find.next2131:
   %t17 = add i64 %t9, 1
   store i64 %t17, ptr %a8
-  br label %find.cond2071
-find.end2075:
+  br label %find.cond2128
+find.end2132:
   %t18 = load i64, ptr %a5
   %t19 = icmp sge i64 %t18, 0
   ret i1 %t19
@@ -21855,51 +24589,52 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1265, i64 3, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1270, i64 3, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br label %logic.from2076
-logic.from2076:
-  br i1 %t12, label %logic.end2078, label %logic.rhs2077
-logic.rhs2077:
+  br label %logic.from2133
+logic.from2133:
+  br i1 %t12, label %logic.end2135, label %logic.rhs2134
+logic.rhs2134:
   %t13 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1266, i64 2, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1271, i64 2, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br label %logic.rend2079
-logic.rend2079:
-  br label %logic.end2078
-logic.end2078:
-  %t18 = phi i1 [ true, %logic.from2076 ], [ %t17, %logic.rend2079 ]
-  br label %logic.from2080
-logic.from2080:
-  br i1 %t18, label %logic.end2082, label %logic.rhs2081
-logic.rhs2081:
+  br label %logic.rend2136
+logic.rend2136:
+  br label %logic.end2135
+logic.end2135:
+  %t18 = phi i1 [ true, %logic.from2133 ], [ %t17, %logic.rend2136 ]
+  br label %logic.from2137
+logic.from2137:
+  br i1 %t18, label %logic.end2139, label %logic.rhs2138
+logic.rhs2138:
   %t19 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1267, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1272, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend2083
-logic.rend2083:
-  br label %logic.end2082
-logic.end2082:
-  %t24 = phi i1 [ true, %logic.from2080 ], [ %t23, %logic.rend2083 ]
-  br label %logic.from2084
-logic.from2084:
-  br i1 %t24, label %logic.end2086, label %logic.rhs2085
-logic.rhs2085:
+  br label %logic.rend2140
+logic.rend2140:
+  br label %logic.end2139
+logic.end2139:
+  %t24 = phi i1 [ true, %logic.from2137 ], [ %t23, %logic.rend2140 ]
+  br label %logic.from2141
+logic.from2141:
+  br i1 %t24, label %logic.end2143, label %logic.rhs2142
+logic.rhs2142:
   %t25 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.1268, i64 3, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1273, i64 3, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend2087
-logic.rend2087:
-  br label %logic.end2086
-logic.end2086:
-  %t30 = phi i1 [ true, %logic.from2084 ], [ %t29, %logic.rend2087 ]
+  br label %logic.rend2144
+logic.rend2144:
+  br label %logic.end2143
+logic.end2143:
+  %t30 = phi i1 [ true, %logic.from2141 ], [ %t29, %logic.rend2144 ]
+  call void @finch_str_drop(ptr %a7)
   ret i1 %t30
 }
 
@@ -21926,51 +24661,52 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1269, i64 2, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1274, i64 2, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br label %logic.from2088
-logic.from2088:
-  br i1 %t12, label %logic.end2090, label %logic.rhs2089
-logic.rhs2089:
+  br label %logic.from2145
+logic.from2145:
+  br i1 %t12, label %logic.end2147, label %logic.rhs2146
+logic.rhs2146:
   %t13 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1270, i64 3, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1275, i64 3, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br label %logic.rend2091
-logic.rend2091:
-  br label %logic.end2090
-logic.end2090:
-  %t18 = phi i1 [ true, %logic.from2088 ], [ %t17, %logic.rend2091 ]
-  br label %logic.from2092
-logic.from2092:
-  br i1 %t18, label %logic.end2094, label %logic.rhs2093
-logic.rhs2093:
+  br label %logic.rend2148
+logic.rend2148:
+  br label %logic.end2147
+logic.end2147:
+  %t18 = phi i1 [ true, %logic.from2145 ], [ %t17, %logic.rend2148 ]
+  br label %logic.from2149
+logic.from2149:
+  br i1 %t18, label %logic.end2151, label %logic.rhs2150
+logic.rhs2150:
   %t19 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1271, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1276, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend2095
-logic.rend2095:
-  br label %logic.end2094
-logic.end2094:
-  %t24 = phi i1 [ true, %logic.from2092 ], [ %t23, %logic.rend2095 ]
-  br label %logic.from2096
-logic.from2096:
-  br i1 %t24, label %logic.end2098, label %logic.rhs2097
-logic.rhs2097:
+  br label %logic.rend2152
+logic.rend2152:
+  br label %logic.end2151
+logic.end2151:
+  %t24 = phi i1 [ true, %logic.from2149 ], [ %t23, %logic.rend2152 ]
+  br label %logic.from2153
+logic.from2153:
+  br i1 %t24, label %logic.end2155, label %logic.rhs2154
+logic.rhs2154:
   %t25 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.1272, i64 3, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1277, i64 3, i64 0 }, ptr %a27
   %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
   %t29 = icmp ne i32 %t28, 0
-  br label %logic.rend2099
-logic.rend2099:
-  br label %logic.end2098
-logic.end2098:
-  %t30 = phi i1 [ true, %logic.from2096 ], [ %t29, %logic.rend2099 ]
+  br label %logic.rend2156
+logic.rend2156:
+  br label %logic.end2155
+logic.end2155:
+  %t30 = phi i1 [ true, %logic.from2153 ], [ %t29, %logic.rend2156 ]
+  call void @finch_str_drop(ptr %a7)
   ret i1 %t30
 }
 
@@ -21980,17 +24716,17 @@ entry:
   store %S.ast.Type %p0, ptr %a1
   %t2 = load %S.ast.Type, ptr %a1
   %t3 = call i1 @finch.gen.isSigned(%S.ast.Type %t2)
-  br label %logic.from2100
-logic.from2100:
-  br i1 %t3, label %logic.end2102, label %logic.rhs2101
-logic.rhs2101:
+  br label %logic.from2157
+logic.from2157:
+  br i1 %t3, label %logic.end2159, label %logic.rhs2158
+logic.rhs2158:
   %t4 = load %S.ast.Type, ptr %a1
   %t5 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t4)
-  br label %logic.rend2103
-logic.rend2103:
-  br label %logic.end2102
-logic.end2102:
-  %t6 = phi i1 [ true, %logic.from2100 ], [ %t5, %logic.rend2103 ]
+  br label %logic.rend2160
+logic.rend2160:
+  br label %logic.end2159
+logic.end2159:
+  %t6 = phi i1 [ true, %logic.from2157 ], [ %t5, %logic.rend2160 ]
   ret i1 %t6
 }
 
@@ -22005,24 +24741,24 @@ entry:
   %t2 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.1273, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1278, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br label %logic.from2104
-logic.from2104:
-  br i1 %t7, label %logic.end2106, label %logic.rhs2105
-logic.rhs2105:
+  br label %logic.from2161
+logic.from2161:
+  br i1 %t7, label %logic.end2163, label %logic.rhs2162
+logic.rhs2162:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1274, i64 3, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1279, i64 3, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.rend2107
-logic.rend2107:
-  br label %logic.end2106
-logic.end2106:
-  %t14 = phi i1 [ true, %logic.from2104 ], [ %t13, %logic.rend2107 ]
+  br label %logic.rend2164
+logic.rend2164:
+  br label %logic.end2163
+logic.end2163:
+  %t14 = phi i1 [ true, %logic.from2161 ], [ %t13, %logic.rend2164 ]
   ret i1 %t14
 }
 
@@ -22032,17 +24768,17 @@ entry:
   store %S.ast.Type %p0, ptr %a1
   %t2 = load %S.ast.Type, ptr %a1
   %t3 = call i1 @finch.gen.isInt(%S.ast.Type %t2)
-  br label %logic.from2108
-logic.from2108:
-  br i1 %t3, label %logic.end2110, label %logic.rhs2109
-logic.rhs2109:
+  br label %logic.from2165
+logic.from2165:
+  br i1 %t3, label %logic.end2167, label %logic.rhs2166
+logic.rhs2166:
   %t4 = load %S.ast.Type, ptr %a1
   %t5 = call i1 @finch.gen.isFloat(%S.ast.Type %t4)
-  br label %logic.rend2111
-logic.rend2111:
-  br label %logic.end2110
-logic.end2110:
-  %t6 = phi i1 [ true, %logic.from2108 ], [ %t5, %logic.rend2111 ]
+  br label %logic.rend2168
+logic.rend2168:
+  br label %logic.end2167
+logic.end2167:
+  %t6 = phi i1 [ true, %logic.from2165 ], [ %t5, %logic.rend2168 ]
   ret i1 %t6
 }
 
@@ -22079,110 +24815,115 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1275, i64 4, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1280, i64 4, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then2112, label %endif2114
-then2112:
+  br i1 %t12, label %then2169, label %endif2171
+then2169:
+  call void @finch_str_drop(ptr %a7)
   ret i64 1
-endif2114:
+endif2171:
   %t13 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1276, i64 4, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1281, i64 4, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br label %logic.from2115
-logic.from2115:
-  br i1 %t17, label %logic.end2117, label %logic.rhs2116
-logic.rhs2116:
+  br label %logic.from2172
+logic.from2172:
+  br i1 %t17, label %logic.end2174, label %logic.rhs2173
+logic.rhs2173:
   %t18 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.1277, i64 2, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.1282, i64 2, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.rend2118
-logic.rend2118:
-  br label %logic.end2117
-logic.end2117:
-  %t23 = phi i1 [ true, %logic.from2115 ], [ %t22, %logic.rend2118 ]
-  br label %logic.from2119
-logic.from2119:
-  br i1 %t23, label %logic.end2121, label %logic.rhs2120
-logic.rhs2120:
+  br label %logic.rend2175
+logic.rend2175:
+  br label %logic.end2174
+logic.end2174:
+  %t23 = phi i1 [ true, %logic.from2172 ], [ %t22, %logic.rend2175 ]
+  br label %logic.from2176
+logic.from2176:
+  br i1 %t23, label %logic.end2178, label %logic.rhs2177
+logic.rhs2177:
   %t24 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1278, i64 2, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1283, i64 2, i64 0 }, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br label %logic.rend2122
-logic.rend2122:
-  br label %logic.end2121
-logic.end2121:
-  %t29 = phi i1 [ true, %logic.from2119 ], [ %t28, %logic.rend2122 ]
-  br i1 %t29, label %then2123, label %endif2125
-then2123:
+  br label %logic.rend2179
+logic.rend2179:
+  br label %logic.end2178
+logic.end2178:
+  %t29 = phi i1 [ true, %logic.from2176 ], [ %t28, %logic.rend2179 ]
+  br i1 %t29, label %then2180, label %endif2182
+then2180:
+  call void @finch_str_drop(ptr %a7)
   ret i64 8
-endif2125:
+endif2182:
   %t30 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t30, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.1279, i64 3, i64 0 }, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.1284, i64 3, i64 0 }, ptr %a32
   %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
   %t34 = icmp ne i32 %t33, 0
-  br label %logic.from2126
-logic.from2126:
-  br i1 %t34, label %logic.end2128, label %logic.rhs2127
-logic.rhs2127:
+  br label %logic.from2183
+logic.from2183:
+  br i1 %t34, label %logic.end2185, label %logic.rhs2184
+logic.rhs2184:
   %t35 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.1280, i64 3, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.1285, i64 3, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.rend2129
-logic.rend2129:
-  br label %logic.end2128
-logic.end2128:
-  %t40 = phi i1 [ true, %logic.from2126 ], [ %t39, %logic.rend2129 ]
-  br i1 %t40, label %then2130, label %endif2132
-then2130:
+  br label %logic.rend2186
+logic.rend2186:
+  br label %logic.end2185
+logic.end2185:
+  %t40 = phi i1 [ true, %logic.from2183 ], [ %t39, %logic.rend2186 ]
+  br i1 %t40, label %then2187, label %endif2189
+then2187:
+  call void @finch_str_drop(ptr %a7)
   ret i64 16
-endif2132:
+endif2189:
   %t41 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.1281, i64 3, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.1286, i64 3, i64 0 }, ptr %a43
   %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
   %t45 = icmp ne i32 %t44, 0
-  br label %logic.from2133
-logic.from2133:
-  br i1 %t45, label %logic.end2135, label %logic.rhs2134
-logic.rhs2134:
+  br label %logic.from2190
+logic.from2190:
+  br i1 %t45, label %logic.end2192, label %logic.rhs2191
+logic.rhs2191:
   %t46 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t46, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.1282, i64 3, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.1287, i64 3, i64 0 }, ptr %a48
   %t49 = call i32 @finch_str_eq(ptr %a47, ptr %a48)
   %t50 = icmp ne i32 %t49, 0
-  br label %logic.rend2136
-logic.rend2136:
-  br label %logic.end2135
-logic.end2135:
-  %t51 = phi i1 [ true, %logic.from2133 ], [ %t50, %logic.rend2136 ]
-  br label %logic.from2137
-logic.from2137:
-  br i1 %t51, label %logic.end2139, label %logic.rhs2138
-logic.rhs2138:
+  br label %logic.rend2193
+logic.rend2193:
+  br label %logic.end2192
+logic.end2192:
+  %t51 = phi i1 [ true, %logic.from2190 ], [ %t50, %logic.rend2193 ]
+  br label %logic.from2194
+logic.from2194:
+  br i1 %t51, label %logic.end2196, label %logic.rhs2195
+logic.rhs2195:
   %t52 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.1283, i64 3, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.1288, i64 3, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br label %logic.rend2140
-logic.rend2140:
-  br label %logic.end2139
-logic.end2139:
-  %t57 = phi i1 [ true, %logic.from2137 ], [ %t56, %logic.rend2140 ]
-  br i1 %t57, label %then2141, label %endif2143
-then2141:
+  br label %logic.rend2197
+logic.rend2197:
+  br label %logic.end2196
+logic.end2196:
+  %t57 = phi i1 [ true, %logic.from2194 ], [ %t56, %logic.rend2197 ]
+  br i1 %t57, label %then2198, label %endif2200
+then2198:
+  call void @finch_str_drop(ptr %a7)
   ret i64 32
-endif2143:
+endif2200:
+  call void @finch_str_drop(ptr %a7)
   ret i64 64
 }
 
@@ -22195,39 +24936,39 @@ entry:
   %t3 = load %S.ast.Type, ptr %a1
   %t4 = call i1 @finch.gen.isInt(%S.ast.Type %t3)
   %t5 = xor i1 %t4, true
-  br label %logic.from2144
-logic.from2144:
-  br i1 %t5, label %logic.end2146, label %logic.rhs2145
-logic.rhs2145:
+  br label %logic.from2201
+logic.from2201:
+  br i1 %t5, label %logic.end2203, label %logic.rhs2202
+logic.rhs2202:
   %t6 = load %S.ast.Type, ptr %a2
   %t7 = call i1 @finch.gen.isInt(%S.ast.Type %t6)
   %t8 = xor i1 %t7, true
-  br label %logic.rend2147
-logic.rend2147:
-  br label %logic.end2146
-logic.end2146:
-  %t9 = phi i1 [ true, %logic.from2144 ], [ %t8, %logic.rend2147 ]
-  br i1 %t9, label %then2148, label %endif2150
-then2148:
+  br label %logic.rend2204
+logic.rend2204:
+  br label %logic.end2203
+logic.end2203:
+  %t9 = phi i1 [ true, %logic.from2201 ], [ %t8, %logic.rend2204 ]
+  br i1 %t9, label %then2205, label %endif2207
+then2205:
   ret i1 false
-endif2150:
+endif2207:
   %t10 = load %S.ast.Type, ptr %a1
   %t11 = call i1 @finch.gen.isSigned(%S.ast.Type %t10)
-  br label %logic.from2151
-logic.from2151:
-  br i1 %t11, label %logic.rhs2152, label %logic.end2153
-logic.rhs2152:
+  br label %logic.from2208
+logic.from2208:
+  br i1 %t11, label %logic.rhs2209, label %logic.end2210
+logic.rhs2209:
   %t12 = load %S.ast.Type, ptr %a2
   %t13 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t12)
-  br label %logic.rend2154
-logic.rend2154:
-  br label %logic.end2153
-logic.end2153:
-  %t14 = phi i1 [ false, %logic.from2151 ], [ %t13, %logic.rend2154 ]
-  br i1 %t14, label %then2155, label %endif2157
-then2155:
+  br label %logic.rend2211
+logic.rend2211:
+  br label %logic.end2210
+logic.end2210:
+  %t14 = phi i1 [ false, %logic.from2208 ], [ %t13, %logic.rend2211 ]
+  br i1 %t14, label %then2212, label %endif2214
+then2212:
   ret i1 false
-endif2157:
+endif2214:
   %t15 = load %S.ast.Type, ptr %a2
   %t16 = call i64 @finch.gen.bitsOf(%S.ast.Type %t15)
   %t17 = load %S.ast.Type, ptr %a1
@@ -22251,33 +24992,33 @@ entry:
   %t4 = load %S.ast.Type, ptr %a3
   %t5 = call i1 @finch.gen.isInt(%S.ast.Type %t4)
   %t6 = xor i1 %t5, true
-  br i1 %t6, label %then2158, label %endif2160
-then2158:
+  br i1 %t6, label %then2215, label %endif2217
+then2215:
   ret i1 false
-endif2160:
+endif2217:
   %t7 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t7, ptr %a8
-  %t9 = call i64 @finch_str_to_int(ptr %a8, ptr @.str.1284, i64 427)
+  %t9 = call i64 @finch_str_to_int(ptr %a8, ptr @.str.1289, i64 447)
   store i64 %t9, ptr %a10
   %t11 = load %S.ast.Type, ptr %a3
   %t12 = call i64 @finch.gen.bitsOf(%S.ast.Type %t11)
   store i64 %t12, ptr %a13
   %t14 = load i64, ptr %a10
   %t15 = icmp slt i64 %t14, 0
-  br i1 %t15, label %then2161, label %endif2163
-then2161:
+  br i1 %t15, label %then2218, label %endif2220
+then2218:
   %t16 = load %S.ast.Type, ptr %a3
   %t17 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t16)
-  br i1 %t17, label %then2164, label %endif2166
-then2164:
+  br i1 %t17, label %then2221, label %endif2223
+then2221:
   ret i1 false
-endif2166:
+endif2223:
   %t18 = load i64, ptr %a13
   %t19 = icmp eq i64 %t18, 64
-  br i1 %t19, label %then2167, label %endif2169
-then2167:
+  br i1 %t19, label %then2224, label %endif2226
+then2224:
   ret i1 true
-endif2169:
+endif2226:
   %t20 = load i64, ptr %a10
   %t21 = load i64, ptr %a13
   %t22 = sub i64 %t21, 1
@@ -22285,28 +25026,28 @@ endif2169:
   %t24 = sub i64 0, %t23
   %t25 = icmp sge i64 %t20, %t24
   ret i1 %t25
-endif2163:
+endif2220:
   %t26 = load i64, ptr %a13
   %t27 = icmp eq i64 %t26, 64
-  br i1 %t27, label %then2170, label %endif2172
-then2170:
+  br i1 %t27, label %then2227, label %endif2229
+then2227:
   ret i1 true
-endif2172:
+endif2229:
   %t28 = load i64, ptr %a13
   %t29 = shl i64 1, %t28
   %t30 = sub i64 %t29, 1
   store i64 %t30, ptr %a31
   %t32 = load %S.ast.Type, ptr %a3
   %t33 = call i1 @finch.gen.isSigned(%S.ast.Type %t32)
-  br i1 %t33, label %then2173, label %endif2175
-then2173:
+  br i1 %t33, label %then2230, label %endif2232
+then2230:
   %t34 = load i64, ptr %a13
   %t35 = sub i64 %t34, 1
   %t36 = shl i64 1, %t35
   %t37 = sub i64 %t36, 1
   store i64 %t37, ptr %a31
-  br label %endif2175
-endif2175:
+  br label %endif2232
+endif2232:
   %t38 = load i64, ptr %a10
   %t39 = load i64, ptr %a31
   %t40 = icmp sle i64 %t38, %t39
@@ -22328,38 +25069,38 @@ entry:
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2176, label %ok2177
-panic2176:
-  call void @finch_panic(ptr @.str.1285, i64 449, ptr @.str.1286)
+  br i1 %t5, label %panic2233, label %ok2234
+panic2233:
+  call void @finch_panic(ptr @.str.1290, i64 469, ptr @.str.1291)
   unreachable
-ok2177:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 15
+ok2234:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 16
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load i64, ptr %t7
   store i64 0, ptr %a9
-  br label %for.cond2178
-for.cond2178:
+  br label %for.cond2235
+for.cond2235:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t8
-  br i1 %t11, label %for.body2179, label %for.end2181
-for.body2179:
+  br i1 %t11, label %for.body2236, label %for.end2238
+for.body2236:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic2182, label %ok2183
-panic2182:
-  call void @finch_panic(ptr @.str.1287, i64 450, ptr @.str.1288)
+  br i1 %t13, label %panic2239, label %ok2240
+panic2239:
+  call void @finch_panic(ptr @.str.1292, i64 470, ptr @.str.1293)
   unreachable
-ok2183:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 15
+ok2240:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 16
   %t15 = load i64, ptr %a9
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2184, label %inrange2185
-range2184:
-  call void @finch_panic_index(ptr @.str.1289, i64 450, i64 %t15, i64 %t17)
+  br i1 %t18, label %range2241, label %inrange2242
+range2241:
+  call void @finch_panic_index(ptr @.str.1294, i64 470, i64 %t15, i64 %t17)
   unreachable
-inrange2185:
+inrange2242:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.StructDef, ptr %t19, i64 %t15
   %t21 = getelementptr inbounds %S.gen.StructDef, ptr %t20, i32 0, i32 0
@@ -22369,27 +25110,27 @@ inrange2185:
   store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from2186
-logic.from2186:
-  br i1 %t27, label %logic.rhs2187, label %logic.end2188
-logic.rhs2187:
+  br label %logic.from2243
+logic.from2243:
+  br i1 %t27, label %logic.rhs2244, label %logic.end2245
+logic.rhs2244:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2189, label %ok2190
-panic2189:
-  call void @finch_panic(ptr @.str.1290, i64 450, ptr @.str.1291)
+  br i1 %t29, label %panic2246, label %ok2247
+panic2246:
+  call void @finch_panic(ptr @.str.1295, i64 470, ptr @.str.1296)
   unreachable
-ok2190:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 15
+ok2247:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 16
   %t31 = load i64, ptr %a9
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range2191, label %inrange2192
-range2191:
-  call void @finch_panic_index(ptr @.str.1292, i64 450, i64 %t31, i64 %t33)
+  br i1 %t34, label %range2248, label %inrange2249
+range2248:
+  call void @finch_panic_index(ptr @.str.1297, i64 470, i64 %t31, i64 %t33)
   unreachable
-inrange2192:
+inrange2249:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.StructDef, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.StructDef, ptr %t36, i32 0, i32 1
@@ -22399,23 +25140,23 @@ inrange2192:
   store { ptr, i64, i64 } %t39, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend2193
-logic.rend2193:
-  br label %logic.end2188
-logic.end2188:
-  %t44 = phi i1 [ false, %logic.from2186 ], [ %t43, %logic.rend2193 ]
-  br i1 %t44, label %then2194, label %endif2196
-then2194:
+  br label %logic.rend2250
+logic.rend2250:
+  br label %logic.end2245
+logic.end2245:
+  %t44 = phi i1 [ false, %logic.from2243 ], [ %t43, %logic.rend2250 ]
+  br i1 %t44, label %then2251, label %endif2253
+then2251:
   %t45 = load i64, ptr %a9
   ret i64 %t45
-endif2196:
-  br label %for.step2180
-for.step2180:
+endif2253:
+  br label %for.step2237
+for.step2237:
   %t46 = load i64, ptr %a9
   %t47 = add i64 %t46, 1
   store i64 %t47, ptr %a9
-  br label %for.cond2178
-for.end2181:
+  br label %for.cond2235
+for.end2238:
   ret i64 -1
 }
 
@@ -22434,38 +25175,38 @@ entry:
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2197, label %ok2198
-panic2197:
-  call void @finch_panic(ptr @.str.1293, i64 458, ptr @.str.1294)
+  br i1 %t5, label %panic2254, label %ok2255
+panic2254:
+  call void @finch_panic(ptr @.str.1298, i64 478, ptr @.str.1299)
   unreachable
-ok2198:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 20
+ok2255:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 21
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load i64, ptr %t7
   store i64 0, ptr %a9
-  br label %for.cond2199
-for.cond2199:
+  br label %for.cond2256
+for.cond2256:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t8
-  br i1 %t11, label %for.body2200, label %for.end2202
-for.body2200:
+  br i1 %t11, label %for.body2257, label %for.end2259
+for.body2257:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic2203, label %ok2204
-panic2203:
-  call void @finch_panic(ptr @.str.1295, i64 459, ptr @.str.1296)
+  br i1 %t13, label %panic2260, label %ok2261
+panic2260:
+  call void @finch_panic(ptr @.str.1300, i64 479, ptr @.str.1301)
   unreachable
-ok2204:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 20
+ok2261:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 21
   %t15 = load i64, ptr %a9
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2205, label %inrange2206
-range2205:
-  call void @finch_panic_index(ptr @.str.1297, i64 459, i64 %t15, i64 %t17)
+  br i1 %t18, label %range2262, label %inrange2263
+range2262:
+  call void @finch_panic_index(ptr @.str.1302, i64 479, i64 %t15, i64 %t17)
   unreachable
-inrange2206:
+inrange2263:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.EnumDef, ptr %t19, i64 %t15
   %t21 = getelementptr inbounds %S.gen.EnumDef, ptr %t20, i32 0, i32 0
@@ -22475,27 +25216,27 @@ inrange2206:
   store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from2207
-logic.from2207:
-  br i1 %t27, label %logic.rhs2208, label %logic.end2209
-logic.rhs2208:
+  br label %logic.from2264
+logic.from2264:
+  br i1 %t27, label %logic.rhs2265, label %logic.end2266
+logic.rhs2265:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2210, label %ok2211
-panic2210:
-  call void @finch_panic(ptr @.str.1298, i64 459, ptr @.str.1299)
+  br i1 %t29, label %panic2267, label %ok2268
+panic2267:
+  call void @finch_panic(ptr @.str.1303, i64 479, ptr @.str.1304)
   unreachable
-ok2211:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 20
+ok2268:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 21
   %t31 = load i64, ptr %a9
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range2212, label %inrange2213
-range2212:
-  call void @finch_panic_index(ptr @.str.1300, i64 459, i64 %t31, i64 %t33)
+  br i1 %t34, label %range2269, label %inrange2270
+range2269:
+  call void @finch_panic_index(ptr @.str.1305, i64 479, i64 %t31, i64 %t33)
   unreachable
-inrange2213:
+inrange2270:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.EnumDef, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.EnumDef, ptr %t36, i32 0, i32 1
@@ -22505,23 +25246,23 @@ inrange2213:
   store { ptr, i64, i64 } %t39, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend2214
-logic.rend2214:
-  br label %logic.end2209
-logic.end2209:
-  %t44 = phi i1 [ false, %logic.from2207 ], [ %t43, %logic.rend2214 ]
-  br i1 %t44, label %then2215, label %endif2217
-then2215:
+  br label %logic.rend2271
+logic.rend2271:
+  br label %logic.end2266
+logic.end2266:
+  %t44 = phi i1 [ false, %logic.from2264 ], [ %t43, %logic.rend2271 ]
+  br i1 %t44, label %then2272, label %endif2274
+then2272:
   %t45 = load i64, ptr %a9
   ret i64 %t45
-endif2217:
-  br label %for.step2201
-for.step2201:
+endif2274:
+  br label %for.step2258
+for.step2258:
   %t46 = load i64, ptr %a9
   %t47 = add i64 %t46, 1
   store i64 %t47, ptr %a9
-  br label %for.cond2199
-for.end2202:
+  br label %for.cond2256
+for.end2259:
   ret i64 -1
 }
 
@@ -22536,38 +25277,38 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2218, label %ok2219
-panic2218:
-  call void @finch_panic(ptr @.str.1301, i64 467, ptr @.str.1302)
+  br i1 %t4, label %panic2275, label %ok2276
+panic2275:
+  call void @finch_panic(ptr @.str.1306, i64 487, ptr @.str.1307)
   unreachable
-ok2219:
+ok2276:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 0
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond2220
-for.cond2220:
+  br label %for.cond2277
+for.cond2277:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body2221, label %for.end2223
-for.body2221:
+  br i1 %t10, label %for.body2278, label %for.end2280
+for.body2278:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic2224, label %ok2225
-panic2224:
-  call void @finch_panic(ptr @.str.1303, i64 468, ptr @.str.1304)
+  br i1 %t12, label %panic2281, label %ok2282
+panic2281:
+  call void @finch_panic(ptr @.str.1308, i64 488, ptr @.str.1309)
   unreachable
-ok2225:
+ok2282:
   %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 0
   %t14 = load i64, ptr %a8
   %t15 = load { ptr, i64, i64 }, ptr %t13
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 %t14, %t16
-  br i1 %t17, label %range2226, label %inrange2227
-range2226:
-  call void @finch_panic_index(ptr @.str.1305, i64 468, i64 %t14, i64 %t16)
+  br i1 %t17, label %range2283, label %inrange2284
+range2283:
+  call void @finch_panic_index(ptr @.str.1310, i64 488, i64 %t14, i64 %t16)
   unreachable
-inrange2227:
+inrange2284:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.ast.Program, ptr %t18, i64 %t14
   %t20 = getelementptr inbounds %S.ast.Program, ptr %t19, i32 0, i32 0
@@ -22577,18 +25318,18 @@ inrange2227:
   store { ptr, i64, i64 } %t22, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %then2228, label %endif2230
-then2228:
+  br i1 %t26, label %then2285, label %endif2287
+then2285:
   %t27 = load i64, ptr %a8
   ret i64 %t27
-endif2230:
-  br label %for.step2222
-for.step2222:
+endif2287:
+  br label %for.step2279
+for.step2279:
   %t28 = load i64, ptr %a8
   %t29 = add i64 %t28, 1
   store i64 %t29, ptr %a8
-  br label %for.cond2220
-for.end2223:
+  br label %for.cond2277
+for.end2280:
   ret i64 -1
 }
 
@@ -22604,31 +25345,31 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2231, label %ok2232
-panic2231:
-  call void @finch_panic(ptr @.str.1306, i64 476, ptr @.str.1307)
+  br i1 %t4, label %panic2288, label %ok2289
+panic2288:
+  call void @finch_panic(ptr @.str.1311, i64 496, ptr @.str.1312)
   unreachable
-ok2232:
+ok2289:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic2233, label %ok2234
-panic2233:
-  call void @finch_panic(ptr @.str.1308, i64 476, ptr @.str.1309)
+  br i1 %t8, label %panic2290, label %ok2291
+panic2290:
+  call void @finch_panic(ptr @.str.1313, i64 496, ptr @.str.1314)
   unreachable
-ok2234:
-  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 13
+ok2291:
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 14
   %t10 = load { ptr, i64, i64 }, ptr %t9
   %t11 = call i64 @finch.gen.progOf(ptr %t6, { ptr, i64, i64 } %t10)
   %t12 = load { ptr, i64, i64 }, ptr %t5
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range2235, label %inrange2236
-range2235:
-  call void @finch_panic_index(ptr @.str.1310, i64 476, i64 %t11, i64 %t13)
+  br i1 %t14, label %range2292, label %inrange2293
+range2292:
+  call void @finch_panic_index(ptr @.str.1315, i64 496, i64 %t11, i64 %t13)
   unreachable
-inrange2236:
+inrange2293:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Program, ptr %t15, i64 %t11
   %t17 = getelementptr inbounds %S.ast.Program, ptr %t16, i32 0, i32 2
@@ -22638,27 +25379,27 @@ inrange2236:
   %t21 = load i64, ptr %t18
   %t22 = load ptr, ptr %t17
   store i64 0, ptr %a23
-  br label %find.cond2237
-find.cond2237:
+  br label %find.cond2294
+find.cond2294:
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, %t21
-  br i1 %t25, label %find.body2238, label %find.end2241
-find.body2238:
+  br i1 %t25, label %find.body2295, label %find.end2298
+find.body2295:
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i64 %t24
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
   store { ptr, i64, i64 } %t19, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br i1 %t31, label %find.hit2239, label %find.next2240
-find.hit2239:
+  br i1 %t31, label %find.hit2296, label %find.next2297
+find.hit2296:
   store i64 %t24, ptr %a20
-  br label %find.end2241
-find.next2240:
+  br label %find.end2298
+find.next2297:
   %t32 = add i64 %t24, 1
   store i64 %t32, ptr %a23
-  br label %find.cond2237
-find.end2241:
+  br label %find.cond2294
+find.end2298:
   %t33 = load i64, ptr %a20
   %t34 = icmp sge i64 %t33, 0
   ret i1 %t34
@@ -22671,784 +25412,850 @@ entry:
   %a3 = alloca %S.ast.Node, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca %S.ast.Type, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca %S.ast.Type, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca %S.ast.Type, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca %S.ast.Type, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca %S.ast.Type, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca %S.ast.Type, align 16
-  %a139 = alloca %S.ast.Type, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca %S.ast.Type, align 16
-  %a160 = alloca %S.ast.Type, align 16
-  %a177 = alloca i64, align 16
-  %a180 = alloca i64, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca i64, align 16
-  %a205 = alloca i64, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca %S.ast.Type, align 16
-  %a223 = alloca %S.ast.Type, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca i64, align 16
-  %a239 = alloca %S.ast.Type, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca %S.ast.Type, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca %S.ast.Type, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca %S.ast.Type, align 16
+  %a142 = alloca %S.ast.Type, align 16
+  %a155 = alloca %S.ast.Type, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca %S.ast.Type, align 16
+  %a164 = alloca %S.ast.Type, align 16
+  %a181 = alloca i64, align 16
+  %a184 = alloca i64, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca i64, align 16
+  %a209 = alloca i64, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca %S.ast.Type, align 16
+  %a227 = alloca %S.ast.Type, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca i64, align 16
+  %a243 = alloca %S.ast.Type, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a276 = alloca { ptr, i64, i64 }, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
   %a368 = alloca { ptr, i64, i64 }, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
-  %a439 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.1311, i64 5, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.1316, i64 5, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then2242, label %endif2244
-then2242:
+  br i1 %t9, label %then2299, label %endif2301
+then2299:
   %t10 = load ptr, ptr %a1
   %t11 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t12 = load { ptr, i64, i64 }, ptr %t11
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 0, %t13
-  br i1 %t14, label %range2245, label %inrange2246
-range2245:
-  call void @finch_panic_index(ptr @.str.1312, i64 481, i64 0, i64 %t13)
+  br i1 %t14, label %range2302, label %inrange2303
+range2302:
+  call void @finch_panic_index(ptr @.str.1317, i64 501, i64 0, i64 %t13)
   unreachable
-inrange2246:
+inrange2303:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 0
   %t17 = load %S.ast.Type, ptr %t16
   %t18 = load %S.ast.Node, ptr %a3
   %t19 = call %S.ast.Type @finch.gen.resolve(ptr %t10, %S.ast.Type %t17, %S.ast.Node %t18)
   %t20 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t19)
+  store %S.ast.Type %t19, ptr %a21
+  call void @finch.drop.S_ast_Type(ptr %a21)
   ret %S.ast.Type %t20
-endif2244:
-  %t21 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t22 = load { ptr, i64, i64 }, ptr %t21
-  store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1313, i64 3, i64 0 }, ptr %a24
-  %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
-  %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %then2247, label %endif2249
-then2247:
-  %t27 = load ptr, ptr %a1
-  %t28 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t29 = load { ptr, i64, i64 }, ptr %t28
-  %t30 = extractvalue { ptr, i64, i64 } %t29, 1
-  %t31 = icmp uge i64 0, %t30
-  br i1 %t31, label %range2250, label %inrange2251
-range2250:
-  call void @finch_panic_index(ptr @.str.1314, i64 484, i64 0, i64 %t30)
+endif2301:
+  %t22 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1318, i64 3, i64 0 }, ptr %a25
+  %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
+  %t27 = icmp ne i32 %t26, 0
+  br i1 %t27, label %then2304, label %endif2306
+then2304:
+  %t28 = load ptr, ptr %a1
+  %t29 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t30 = load { ptr, i64, i64 }, ptr %t29
+  %t31 = extractvalue { ptr, i64, i64 } %t30, 1
+  %t32 = icmp uge i64 0, %t31
+  br i1 %t32, label %range2307, label %inrange2308
+range2307:
+  call void @finch_panic_index(ptr @.str.1319, i64 504, i64 0, i64 %t31)
   unreachable
-inrange2251:
-  %t32 = extractvalue { ptr, i64, i64 } %t29, 0
-  %t33 = getelementptr inbounds %S.ast.Type, ptr %t32, i64 0
-  %t34 = load %S.ast.Type, ptr %t33
-  %t35 = load %S.ast.Node, ptr %a3
-  %t36 = call %S.ast.Type @finch.gen.resolve(ptr %t27, %S.ast.Type %t34, %S.ast.Node %t35)
-  store %S.ast.Type %t36, ptr %a37
-  %t38 = load %S.ast.Type, ptr %a37
-  %t39 = call i1 @finch.gen.isInt(%S.ast.Type %t38)
-  %t40 = xor i1 %t39, true
-  br label %logic.from2252
-logic.from2252:
-  br i1 %t40, label %logic.rhs2253, label %logic.end2254
-logic.rhs2253:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.1315, i64 4, i64 0 }, ptr %a44
-  %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
-  %t46 = icmp eq i32 %t45, 0
-  br label %logic.rend2255
-logic.rend2255:
-  br label %logic.end2254
-logic.end2254:
-  %t47 = phi i1 [ false, %logic.from2252 ], [ %t46, %logic.rend2255 ]
-  br label %logic.from2256
-logic.from2256:
-  br i1 %t47, label %logic.rhs2257, label %logic.end2258
-logic.rhs2257:
-  %t48 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.1316, i64 4, i64 0 }, ptr %a51
-  %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
-  %t53 = icmp eq i32 %t52, 0
-  br label %logic.rend2259
-logic.rend2259:
-  br label %logic.end2258
-logic.end2258:
-  %t54 = phi i1 [ false, %logic.from2256 ], [ %t53, %logic.rend2259 ]
-  br label %logic.from2260
-logic.from2260:
-  br i1 %t54, label %logic.rhs2261, label %logic.end2262
-logic.rhs2261:
-  %t55 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t56 = load { ptr, i64, i64 }, ptr %t55
-  store { ptr, i64, i64 } %t56, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1317, i64 3, i64 0 }, ptr %a58
-  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
-  %t60 = icmp eq i32 %t59, 0
-  br label %logic.rend2263
-logic.rend2263:
-  br label %logic.end2262
-logic.end2262:
-  %t61 = phi i1 [ false, %logic.from2260 ], [ %t60, %logic.rend2263 ]
-  br label %logic.from2264
-logic.from2264:
-  br i1 %t61, label %logic.rhs2265, label %logic.end2266
-logic.rhs2265:
-  %t62 = getelementptr inbounds %S.ast.Type, ptr %a37, i32 0, i32 0
-  %t63 = load { ptr, i64, i64 }, ptr %t62
-  store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.1318, i64 4, i64 0 }, ptr %a65
-  %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
-  %t67 = icmp eq i32 %t66, 0
-  br label %logic.rend2267
-logic.rend2267:
-  br label %logic.end2266
-logic.end2266:
-  %t68 = phi i1 [ false, %logic.from2264 ], [ %t67, %logic.rend2267 ]
-  br i1 %t68, label %then2268, label %endif2270
-then2268:
-  %t69 = load ptr, ptr %a1
-  %t70 = load %S.ast.Node, ptr %a3
-  %t71 = load %S.ast.Type, ptr %a37
-  %t72 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t71)
-  store { ptr, i64, i64 } { ptr @.str.1319, i64 63, i64 0 }, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  call void @finch.gen.fail(ptr %t69, %S.ast.Node %t70, { ptr, i64, i64 } %t76)
-  br label %endif2270
-endif2270:
-  %t77 = load ptr, ptr %a1
-  %t78 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  %t80 = extractvalue { ptr, i64, i64 } %t79, 1
-  %t81 = icmp uge i64 1, %t80
-  br i1 %t81, label %range2271, label %inrange2272
-range2271:
-  call void @finch_panic_index(ptr @.str.1320, i64 488, i64 1, i64 %t80)
+inrange2308:
+  %t33 = extractvalue { ptr, i64, i64 } %t30, 0
+  %t34 = getelementptr inbounds %S.ast.Type, ptr %t33, i64 0
+  %t35 = load %S.ast.Type, ptr %t34
+  %t36 = load %S.ast.Node, ptr %a3
+  %t37 = call %S.ast.Type @finch.gen.resolve(ptr %t28, %S.ast.Type %t35, %S.ast.Node %t36)
+  store %S.ast.Type %t37, ptr %a38
+  %t39 = load %S.ast.Type, ptr %a38
+  %t40 = call i1 @finch.gen.isInt(%S.ast.Type %t39)
+  %t41 = xor i1 %t40, true
+  br label %logic.from2309
+logic.from2309:
+  br i1 %t41, label %logic.rhs2310, label %logic.end2311
+logic.rhs2310:
+  %t42 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t43 = load { ptr, i64, i64 }, ptr %t42
+  store { ptr, i64, i64 } %t43, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.1320, i64 4, i64 0 }, ptr %a45
+  %t46 = call i32 @finch_str_eq(ptr %a44, ptr %a45)
+  %t47 = icmp eq i32 %t46, 0
+  br label %logic.rend2312
+logic.rend2312:
+  br label %logic.end2311
+logic.end2311:
+  %t48 = phi i1 [ false, %logic.from2309 ], [ %t47, %logic.rend2312 ]
+  br label %logic.from2313
+logic.from2313:
+  br i1 %t48, label %logic.rhs2314, label %logic.end2315
+logic.rhs2314:
+  %t49 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.1321, i64 4, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp eq i32 %t53, 0
+  br label %logic.rend2316
+logic.rend2316:
+  br label %logic.end2315
+logic.end2315:
+  %t55 = phi i1 [ false, %logic.from2313 ], [ %t54, %logic.rend2316 ]
+  br label %logic.from2317
+logic.from2317:
+  br i1 %t55, label %logic.rhs2318, label %logic.end2319
+logic.rhs2318:
+  %t56 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  store { ptr, i64, i64 } %t57, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.1322, i64 3, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
+  %t61 = icmp eq i32 %t60, 0
+  br label %logic.rend2320
+logic.rend2320:
+  br label %logic.end2319
+logic.end2319:
+  %t62 = phi i1 [ false, %logic.from2317 ], [ %t61, %logic.rend2320 ]
+  br label %logic.from2321
+logic.from2321:
+  br i1 %t62, label %logic.rhs2322, label %logic.end2323
+logic.rhs2322:
+  %t63 = getelementptr inbounds %S.ast.Type, ptr %a38, i32 0, i32 0
+  %t64 = load { ptr, i64, i64 }, ptr %t63
+  store { ptr, i64, i64 } %t64, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.1323, i64 4, i64 0 }, ptr %a66
+  %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
+  %t68 = icmp eq i32 %t67, 0
+  br label %logic.rend2324
+logic.rend2324:
+  br label %logic.end2323
+logic.end2323:
+  %t69 = phi i1 [ false, %logic.from2321 ], [ %t68, %logic.rend2324 ]
+  br i1 %t69, label %then2325, label %endif2327
+then2325:
+  %t70 = load ptr, ptr %a1
+  %t71 = load %S.ast.Node, ptr %a3
+  %t72 = load %S.ast.Type, ptr %a38
+  %t73 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t72)
+  store { ptr, i64, i64 } { ptr @.str.1324, i64 63, i64 0 }, ptr %a75
+  store { ptr, i64, i64 } %t73, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t71, { ptr, i64, i64 } %t78)
+  store { ptr, i64, i64 } %t78, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  br label %endif2327
+endif2327:
+  %t80 = load ptr, ptr %a1
+  %t81 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  %t83 = extractvalue { ptr, i64, i64 } %t82, 1
+  %t84 = icmp uge i64 1, %t83
+  br i1 %t84, label %range2328, label %inrange2329
+range2328:
+  call void @finch_panic_index(ptr @.str.1325, i64 508, i64 1, i64 %t83)
   unreachable
-inrange2272:
-  %t82 = extractvalue { ptr, i64, i64 } %t79, 0
-  %t83 = getelementptr inbounds %S.ast.Type, ptr %t82, i64 1
-  %t84 = load %S.ast.Type, ptr %t83
-  %t85 = load %S.ast.Node, ptr %a3
-  %t86 = call %S.ast.Type @finch.gen.resolve(ptr %t77, %S.ast.Type %t84, %S.ast.Node %t85)
-  store %S.ast.Type %t86, ptr %a87
-  %t88 = getelementptr inbounds %S.ast.Type, ptr %a87, i32 0, i32 0
-  %t89 = load { ptr, i64, i64 }, ptr %t88
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1321, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then2273, label %endif2275
-then2273:
-  %t94 = load ptr, ptr %a1
-  %t95 = load %S.ast.Node, ptr %a3
-  call void @finch.gen.fail(ptr %t94, %S.ast.Node %t95, { ptr, i64, i64 } { ptr @.str.1322, i64 41, i64 0 })
-  br label %endif2275
-endif2275:
-  %t96 = load %S.ast.Type, ptr %a37
-  %t97 = load %S.ast.Type, ptr %a87
-  %t98 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t96, %S.ast.Type %t97)
-  ret %S.ast.Type %t98
-endif2249:
-  %t99 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t100 = load { ptr, i64, i64 }, ptr %t99
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1323, i64 5, i64 0 }, ptr %a102
-  %t103 = call i32 @finch_str_eq(ptr %a101, ptr %a102)
-  %t104 = icmp ne i32 %t103, 0
-  br i1 %t104, label %then2276, label %endif2278
-then2276:
-  %t105 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1324, i64 5, i64 0 }, 0
-  %t106 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t107 = load i64, ptr %t106
-  %t108 = insertvalue %S.ast.Type %t105, i64 %t107, 4
-  store %S.ast.Type %t108, ptr %a109
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %a109, i32 0, i32 1
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i32 0, i32 1
-  %t112 = load ptr, ptr %a1
-  %t113 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
-  %t116 = icmp uge i64 0, %t115
-  br i1 %t116, label %range2279, label %inrange2280
-range2279:
-  call void @finch_panic_index(ptr @.str.1325, i64 496, i64 0, i64 %t115)
+inrange2329:
+  %t85 = extractvalue { ptr, i64, i64 } %t82, 0
+  %t86 = getelementptr inbounds %S.ast.Type, ptr %t85, i64 1
+  %t87 = load %S.ast.Type, ptr %t86
+  %t88 = load %S.ast.Node, ptr %a3
+  %t89 = call %S.ast.Type @finch.gen.resolve(ptr %t80, %S.ast.Type %t87, %S.ast.Node %t88)
+  store %S.ast.Type %t89, ptr %a90
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %a90, i32 0, i32 0
+  %t92 = load { ptr, i64, i64 }, ptr %t91
+  store { ptr, i64, i64 } %t92, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.1326, i64 4, i64 0 }, ptr %a94
+  %t95 = call i32 @finch_str_eq(ptr %a93, ptr %a94)
+  %t96 = icmp ne i32 %t95, 0
+  br i1 %t96, label %then2330, label %endif2332
+then2330:
+  %t97 = load ptr, ptr %a1
+  %t98 = load %S.ast.Node, ptr %a3
+  call void @finch.gen.fail(ptr %t97, %S.ast.Node %t98, { ptr, i64, i64 } { ptr @.str.1327, i64 41, i64 0 })
+  br label %endif2332
+endif2332:
+  %t99 = load %S.ast.Type, ptr %a38
+  %t100 = load %S.ast.Type, ptr %a90
+  %t101 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t99, %S.ast.Type %t100)
+  call void @finch.drop.S_ast_Type(ptr %a90)
+  call void @finch.drop.S_ast_Type(ptr %a38)
+  ret %S.ast.Type %t101
+endif2306:
+  %t102 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t103 = load { ptr, i64, i64 }, ptr %t102
+  store { ptr, i64, i64 } %t103, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.1328, i64 5, i64 0 }, ptr %a105
+  %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
+  %t107 = icmp ne i32 %t106, 0
+  br i1 %t107, label %then2333, label %endif2335
+then2333:
+  %t108 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1329, i64 5, i64 0 }, 0
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t110 = load i64, ptr %t109
+  %t111 = insertvalue %S.ast.Type %t108, i64 %t110, 4
+  store %S.ast.Type %t111, ptr %a112
+  %t113 = getelementptr inbounds %S.ast.Type, ptr %a112, i32 0, i32 1
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %t113, i32 0, i32 1
+  %t115 = load ptr, ptr %a1
+  %t116 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t117 = load { ptr, i64, i64 }, ptr %t116
+  %t118 = extractvalue { ptr, i64, i64 } %t117, 1
+  %t119 = icmp uge i64 0, %t118
+  br i1 %t119, label %range2336, label %inrange2337
+range2336:
+  call void @finch_panic_index(ptr @.str.1330, i64 516, i64 0, i64 %t118)
   unreachable
-inrange2280:
-  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
-  %t118 = getelementptr inbounds %S.ast.Type, ptr %t117, i64 0
-  %t119 = load %S.ast.Type, ptr %t118
-  %t120 = load %S.ast.Node, ptr %a3
-  %t121 = call %S.ast.Type @finch.gen.resolve(ptr %t112, %S.ast.Type %t119, %S.ast.Node %t120)
-  %t122 = load i64, ptr %t111
-  %t123 = add i64 %t122, 1
-  call void @finch_arr_reserve(ptr %t110, i64 %t123, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t124 = load ptr, ptr %t110
-  %t125 = getelementptr inbounds %S.ast.Type, ptr %t124, i64 %t122
-  store %S.ast.Type %t121, ptr %t125
-  store i64 %t123, ptr %t111
-  %t126 = load %S.ast.Type, ptr %a109
-  ret %S.ast.Type %t126
-endif2278:
-  %t127 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t128 = load { ptr, i64, i64 }, ptr %t127
-  store { ptr, i64, i64 } %t128, ptr %a129
-  store { ptr, i64, i64 } { ptr @.str.1326, i64 3, i64 0 }, ptr %a130
-  %t131 = call i32 @finch_str_eq(ptr %a129, ptr %a130)
-  %t132 = icmp ne i32 %t131, 0
-  br i1 %t132, label %then2281, label %endif2283
-then2281:
-  %t133 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
-  %t135 = load i64, ptr %t134
-  %t136 = icmp eq i64 %t135, 0
-  br i1 %t136, label %then2284, label %endif2286
-then2284:
-  %t137 = load %S.ast.Type, ptr %a2
-  store %S.ast.Type %t137, ptr %a138
-  call void @finch.copy.S_ast_Type(ptr %a139, ptr %a138)
-  %t140 = load %S.ast.Type, ptr %a139
-  ret %S.ast.Type %t140
-endif2286:
-  %t141 = load ptr, ptr %a1
-  %t142 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  %t144 = extractvalue { ptr, i64, i64 } %t143, 1
-  %t145 = icmp uge i64 0, %t144
-  br i1 %t145, label %range2287, label %inrange2288
-range2287:
-  call void @finch_panic_index(ptr @.str.1327, i64 503, i64 0, i64 %t144)
+inrange2337:
+  %t120 = extractvalue { ptr, i64, i64 } %t117, 0
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %t120, i64 0
+  %t122 = load %S.ast.Type, ptr %t121
+  %t123 = load %S.ast.Node, ptr %a3
+  %t124 = call %S.ast.Type @finch.gen.resolve(ptr %t115, %S.ast.Type %t122, %S.ast.Node %t123)
+  %t125 = load i64, ptr %t114
+  %t126 = add i64 %t125, 1
+  call void @finch_arr_reserve(ptr %t113, i64 %t126, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t127 = load ptr, ptr %t113
+  %t128 = getelementptr inbounds %S.ast.Type, ptr %t127, i64 %t125
+  store %S.ast.Type %t124, ptr %t128
+  store i64 %t126, ptr %t114
+  %t129 = load %S.ast.Type, ptr %a112
+  ret %S.ast.Type %t129
+endif2335:
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.1331, i64 3, i64 0 }, ptr %a133
+  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
+  %t135 = icmp ne i32 %t134, 0
+  br i1 %t135, label %then2338, label %endif2340
+then2338:
+  %t136 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t136, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  %t139 = icmp eq i64 %t138, 0
+  br i1 %t139, label %then2341, label %endif2343
+then2341:
+  %t140 = load %S.ast.Type, ptr %a2
+  store %S.ast.Type %t140, ptr %a141
+  call void @finch.copy.S_ast_Type(ptr %a142, ptr %a141)
+  %t143 = load %S.ast.Type, ptr %a142
+  ret %S.ast.Type %t143
+endif2343:
+  %t144 = load ptr, ptr %a1
+  %t145 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t146 = load { ptr, i64, i64 }, ptr %t145
+  %t147 = extractvalue { ptr, i64, i64 } %t146, 1
+  %t148 = icmp uge i64 0, %t147
+  br i1 %t148, label %range2344, label %inrange2345
+range2344:
+  call void @finch_panic_index(ptr @.str.1332, i64 523, i64 0, i64 %t147)
   unreachable
-inrange2288:
-  %t146 = extractvalue { ptr, i64, i64 } %t143, 0
-  %t147 = getelementptr inbounds %S.ast.Type, ptr %t146, i64 0
-  %t148 = load %S.ast.Type, ptr %t147
-  %t149 = load %S.ast.Node, ptr %a3
-  %t150 = call %S.ast.Type @finch.gen.resolve(ptr %t141, %S.ast.Type %t148, %S.ast.Node %t149)
-  %t151 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t150)
-  ret %S.ast.Type %t151
-endif2283:
-  %t152 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t153 = load { ptr, i64, i64 }, ptr %t152
-  store { ptr, i64, i64 } %t153, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.1328, i64 5, i64 0 }, ptr %a155
-  %t156 = call i32 @finch_str_eq(ptr %a154, ptr %a155)
-  %t157 = icmp eq i32 %t156, 0
-  br i1 %t157, label %then2289, label %endif2291
-then2289:
-  %t158 = load %S.ast.Type, ptr %a2
-  store %S.ast.Type %t158, ptr %a159
-  call void @finch.copy.S_ast_Type(ptr %a160, ptr %a159)
-  %t161 = load %S.ast.Type, ptr %a160
-  ret %S.ast.Type %t161
-endif2291:
-  %t162 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
-  %t164 = load i64, ptr %t163
-  %t165 = icmp eq i64 %t164, 0
-  br label %logic.from2292
-logic.from2292:
-  br i1 %t165, label %logic.rhs2293, label %logic.end2294
-logic.rhs2293:
-  %t166 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+inrange2345:
+  %t149 = extractvalue { ptr, i64, i64 } %t146, 0
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %t149, i64 0
+  %t151 = load %S.ast.Type, ptr %t150
+  %t152 = load %S.ast.Node, ptr %a3
+  %t153 = call %S.ast.Type @finch.gen.resolve(ptr %t144, %S.ast.Type %t151, %S.ast.Node %t152)
+  %t154 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t153)
+  store %S.ast.Type %t153, ptr %a155
+  call void @finch.drop.S_ast_Type(ptr %a155)
+  ret %S.ast.Type %t154
+endif2340:
+  %t156 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.1333, i64 5, i64 0 }, ptr %a159
+  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
+  %t161 = icmp eq i32 %t160, 0
+  br i1 %t161, label %then2346, label %endif2348
+then2346:
+  %t162 = load %S.ast.Type, ptr %a2
+  store %S.ast.Type %t162, ptr %a163
+  call void @finch.copy.S_ast_Type(ptr %a164, ptr %a163)
+  %t165 = load %S.ast.Type, ptr %a164
+  ret %S.ast.Type %t165
+endif2348:
+  %t166 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %t166, i32 0, i32 1
   %t168 = load i64, ptr %t167
   %t169 = icmp eq i64 %t168, 0
-  br label %logic.rend2295
-logic.rend2295:
-  br label %logic.end2294
-logic.end2294:
-  %t170 = phi i1 [ false, %logic.from2292 ], [ %t169, %logic.rend2295 ]
-  br label %logic.from2296
-logic.from2296:
-  br i1 %t170, label %logic.rhs2297, label %logic.end2298
-logic.rhs2297:
-  %t171 = load ptr, ptr %a1
-  %t172 = icmp eq ptr %t171, null
-  br i1 %t172, label %panic2299, label %ok2300
-panic2299:
-  call void @finch_panic(ptr @.str.1329, i64 509, ptr @.str.1330)
+  br label %logic.from2349
+logic.from2349:
+  br i1 %t169, label %logic.rhs2350, label %logic.end2351
+logic.rhs2350:
+  %t170 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t171 = getelementptr inbounds { ptr, i64, i64 }, ptr %t170, i32 0, i32 1
+  %t172 = load i64, ptr %t171
+  %t173 = icmp eq i64 %t172, 0
+  br label %logic.rend2352
+logic.rend2352:
+  br label %logic.end2351
+logic.end2351:
+  %t174 = phi i1 [ false, %logic.from2349 ], [ %t173, %logic.rend2352 ]
+  br label %logic.from2353
+logic.from2353:
+  br i1 %t174, label %logic.rhs2354, label %logic.end2355
+logic.rhs2354:
+  %t175 = load ptr, ptr %a1
+  %t176 = icmp eq ptr %t175, null
+  br i1 %t176, label %panic2356, label %ok2357
+panic2356:
+  call void @finch_panic(ptr @.str.1334, i64 529, ptr @.str.1335)
   unreachable
-ok2300:
-  %t173 = getelementptr inbounds %S.gen.Gen, ptr %t171, i32 0, i32 17
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  store i64 -1, ptr %a177
-  %t178 = load i64, ptr %t174
-  %t179 = load ptr, ptr %t173
-  store i64 0, ptr %a180
-  br label %find.cond2301
-find.cond2301:
-  %t181 = load i64, ptr %a180
-  %t182 = icmp slt i64 %t181, %t178
-  br i1 %t182, label %find.body2302, label %find.end2305
-find.body2302:
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i64 %t181
-  %t184 = load { ptr, i64, i64 }, ptr %t183
-  store { ptr, i64, i64 } %t184, ptr %a185
-  store { ptr, i64, i64 } %t176, ptr %a186
-  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
-  %t188 = icmp ne i32 %t187, 0
-  br i1 %t188, label %find.hit2303, label %find.next2304
-find.hit2303:
-  store i64 %t181, ptr %a177
-  br label %find.end2305
-find.next2304:
-  %t189 = add i64 %t181, 1
-  store i64 %t189, ptr %a180
-  br label %find.cond2301
-find.end2305:
-  %t190 = load i64, ptr %a177
-  %t191 = icmp sge i64 %t190, 0
-  br label %logic.rend2306
-logic.rend2306:
-  br label %logic.end2298
-logic.end2298:
-  %t192 = phi i1 [ false, %logic.from2296 ], [ %t191, %logic.rend2306 ]
-  br i1 %t192, label %then2307, label %endif2309
-then2307:
-  %t193 = load ptr, ptr %a1
-  %t194 = icmp eq ptr %t193, null
-  br i1 %t194, label %panic2310, label %ok2311
-panic2310:
-  call void @finch_panic(ptr @.str.1331, i64 510, ptr @.str.1332)
+ok2357:
+  %t177 = getelementptr inbounds %S.gen.Gen, ptr %t175, i32 0, i32 18
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %t177, i32 0, i32 1
+  %t179 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t180 = load { ptr, i64, i64 }, ptr %t179
+  store i64 -1, ptr %a181
+  %t182 = load i64, ptr %t178
+  %t183 = load ptr, ptr %t177
+  store i64 0, ptr %a184
+  br label %find.cond2358
+find.cond2358:
+  %t185 = load i64, ptr %a184
+  %t186 = icmp slt i64 %t185, %t182
+  br i1 %t186, label %find.body2359, label %find.end2362
+find.body2359:
+  %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i64 %t185
+  %t188 = load { ptr, i64, i64 }, ptr %t187
+  store { ptr, i64, i64 } %t188, ptr %a189
+  store { ptr, i64, i64 } %t180, ptr %a190
+  %t191 = call i32 @finch_str_eq(ptr %a189, ptr %a190)
+  %t192 = icmp ne i32 %t191, 0
+  br i1 %t192, label %find.hit2360, label %find.next2361
+find.hit2360:
+  store i64 %t185, ptr %a181
+  br label %find.end2362
+find.next2361:
+  %t193 = add i64 %t185, 1
+  store i64 %t193, ptr %a184
+  br label %find.cond2358
+find.end2362:
+  %t194 = load i64, ptr %a181
+  %t195 = icmp sge i64 %t194, 0
+  br label %logic.rend2363
+logic.rend2363:
+  br label %logic.end2355
+logic.end2355:
+  %t196 = phi i1 [ false, %logic.from2353 ], [ %t195, %logic.rend2363 ]
+  br i1 %t196, label %then2364, label %endif2366
+then2364:
+  %t197 = load ptr, ptr %a1
+  %t198 = icmp eq ptr %t197, null
+  br i1 %t198, label %panic2367, label %ok2368
+panic2367:
+  call void @finch_panic(ptr @.str.1336, i64 530, ptr @.str.1337)
   unreachable
-ok2311:
-  %t195 = getelementptr inbounds %S.gen.Gen, ptr %t193, i32 0, i32 18
-  %t196 = load ptr, ptr %a1
-  %t197 = icmp eq ptr %t196, null
-  br i1 %t197, label %panic2312, label %ok2313
-panic2312:
-  call void @finch_panic(ptr @.str.1333, i64 510, ptr @.str.1334)
+ok2368:
+  %t199 = getelementptr inbounds %S.gen.Gen, ptr %t197, i32 0, i32 19
+  %t200 = load ptr, ptr %a1
+  %t201 = icmp eq ptr %t200, null
+  br i1 %t201, label %panic2369, label %ok2370
+panic2369:
+  call void @finch_panic(ptr @.str.1338, i64 530, ptr @.str.1339)
   unreachable
-ok2313:
-  %t198 = getelementptr inbounds %S.gen.Gen, ptr %t196, i32 0, i32 17
-  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t198, i32 0, i32 1
-  %t200 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store i64 -1, ptr %a202
-  %t203 = load i64, ptr %t199
-  %t204 = load ptr, ptr %t198
-  store i64 0, ptr %a205
-  br label %find.cond2314
-find.cond2314:
-  %t206 = load i64, ptr %a205
-  %t207 = icmp slt i64 %t206, %t203
-  br i1 %t207, label %find.body2315, label %find.end2318
-find.body2315:
-  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %t204, i64 %t206
-  %t209 = load { ptr, i64, i64 }, ptr %t208
-  store { ptr, i64, i64 } %t209, ptr %a210
-  store { ptr, i64, i64 } %t201, ptr %a211
-  %t212 = call i32 @finch_str_eq(ptr %a210, ptr %a211)
-  %t213 = icmp ne i32 %t212, 0
-  br i1 %t213, label %find.hit2316, label %find.next2317
-find.hit2316:
-  store i64 %t206, ptr %a202
-  br label %find.end2318
-find.next2317:
-  %t214 = add i64 %t206, 1
-  store i64 %t214, ptr %a205
-  br label %find.cond2314
-find.end2318:
-  %t215 = load i64, ptr %a202
-  %t216 = load { ptr, i64, i64 }, ptr %t195
-  %t217 = extractvalue { ptr, i64, i64 } %t216, 1
-  %t218 = icmp uge i64 %t215, %t217
-  br i1 %t218, label %range2319, label %inrange2320
-range2319:
-  call void @finch_panic_index(ptr @.str.1335, i64 510, i64 %t215, i64 %t217)
+ok2370:
+  %t202 = getelementptr inbounds %S.gen.Gen, ptr %t200, i32 0, i32 18
+  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t202, i32 0, i32 1
+  %t204 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t205 = load { ptr, i64, i64 }, ptr %t204
+  store i64 -1, ptr %a206
+  %t207 = load i64, ptr %t203
+  %t208 = load ptr, ptr %t202
+  store i64 0, ptr %a209
+  br label %find.cond2371
+find.cond2371:
+  %t210 = load i64, ptr %a209
+  %t211 = icmp slt i64 %t210, %t207
+  br i1 %t211, label %find.body2372, label %find.end2375
+find.body2372:
+  %t212 = getelementptr inbounds { ptr, i64, i64 }, ptr %t208, i64 %t210
+  %t213 = load { ptr, i64, i64 }, ptr %t212
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } %t205, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br i1 %t217, label %find.hit2373, label %find.next2374
+find.hit2373:
+  store i64 %t210, ptr %a206
+  br label %find.end2375
+find.next2374:
+  %t218 = add i64 %t210, 1
+  store i64 %t218, ptr %a209
+  br label %find.cond2371
+find.end2375:
+  %t219 = load i64, ptr %a206
+  %t220 = load { ptr, i64, i64 }, ptr %t199
+  %t221 = extractvalue { ptr, i64, i64 } %t220, 1
+  %t222 = icmp uge i64 %t219, %t221
+  br i1 %t222, label %range2376, label %inrange2377
+range2376:
+  call void @finch_panic_index(ptr @.str.1340, i64 530, i64 %t219, i64 %t221)
   unreachable
-inrange2320:
-  %t219 = extractvalue { ptr, i64, i64 } %t216, 0
-  %t220 = getelementptr inbounds %S.ast.Type, ptr %t219, i64 %t215
-  %t221 = load %S.ast.Type, ptr %t220
-  store %S.ast.Type %t221, ptr %a222
-  call void @finch.copy.S_ast_Type(ptr %a223, ptr %a222)
-  %t224 = load %S.ast.Type, ptr %a223
-  ret %S.ast.Type %t224
-endif2309:
-  %t225 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i32 0, i32 1
-  %t227 = load i64, ptr %t226
-  %t228 = icmp sgt i64 %t227, 0
-  br i1 %t228, label %then2321, label %endif2323
-then2321:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a229
-  %t230 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  store i64 0, ptr %a231
-  br label %each.cond2324
-each.cond2324:
-  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t230, i32 0, i32 1
-  %t233 = load i64, ptr %t232
-  %t234 = load i64, ptr %a231
-  %t235 = icmp slt i64 %t234, %t233
-  br i1 %t235, label %each.body2325, label %each.end2327
-each.body2325:
-  %t236 = load ptr, ptr %t230
-  %t237 = getelementptr inbounds %S.ast.Type, ptr %t236, i64 %t234
-  %t238 = load %S.ast.Type, ptr %t237
-  store %S.ast.Type %t238, ptr %a239
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %a229, i32 0, i32 1
-  %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Type, ptr %a239
-  %t243 = load %S.ast.Node, ptr %a3
-  %t244 = call %S.ast.Type @finch.gen.resolve(ptr %t241, %S.ast.Type %t242, %S.ast.Node %t243)
-  %t245 = load i64, ptr %t240
-  %t246 = add i64 %t245, 1
-  call void @finch_arr_reserve(ptr %a229, i64 %t246, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t247 = load ptr, ptr %a229
-  %t248 = getelementptr inbounds %S.ast.Type, ptr %t247, i64 %t245
-  store %S.ast.Type %t244, ptr %t248
-  store i64 %t246, ptr %t240
-  br label %each.step2326
-each.step2326:
-  %t249 = load i64, ptr %a231
+inrange2377:
+  %t223 = extractvalue { ptr, i64, i64 } %t220, 0
+  %t224 = getelementptr inbounds %S.ast.Type, ptr %t223, i64 %t219
+  %t225 = load %S.ast.Type, ptr %t224
+  store %S.ast.Type %t225, ptr %a226
+  call void @finch.copy.S_ast_Type(ptr %a227, ptr %a226)
+  %t228 = load %S.ast.Type, ptr %a227
+  ret %S.ast.Type %t228
+endif2366:
+  %t229 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i32 0, i32 1
+  %t231 = load i64, ptr %t230
+  %t232 = icmp sgt i64 %t231, 0
+  br i1 %t232, label %then2378, label %endif2380
+then2378:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a233
+  %t234 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  store i64 0, ptr %a235
+  br label %each.cond2381
+each.cond2381:
+  %t236 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i32 0, i32 1
+  %t237 = load i64, ptr %t236
+  %t238 = load i64, ptr %a235
+  %t239 = icmp slt i64 %t238, %t237
+  br i1 %t239, label %each.body2382, label %each.end2384
+each.body2382:
+  %t240 = load ptr, ptr %t234
+  %t241 = getelementptr inbounds %S.ast.Type, ptr %t240, i64 %t238
+  %t242 = load %S.ast.Type, ptr %t241
+  store %S.ast.Type %t242, ptr %a243
+  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %a233, i32 0, i32 1
+  %t245 = load ptr, ptr %a1
+  %t246 = load %S.ast.Type, ptr %a243
+  %t247 = load %S.ast.Node, ptr %a3
+  %t248 = call %S.ast.Type @finch.gen.resolve(ptr %t245, %S.ast.Type %t246, %S.ast.Node %t247)
+  %t249 = load i64, ptr %t244
   %t250 = add i64 %t249, 1
-  store i64 %t250, ptr %a231
-  br label %each.cond2324
-each.end2327:
-  %t251 = load ptr, ptr %a1
-  %t252 = icmp eq ptr %t251, null
-  br i1 %t252, label %panic2328, label %ok2329
-panic2328:
-  call void @finch_panic(ptr @.str.1336, i64 518, ptr @.str.1337)
+  call void @finch_arr_reserve(ptr %a233, i64 %t250, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t251 = load ptr, ptr %a233
+  %t252 = getelementptr inbounds %S.ast.Type, ptr %t251, i64 %t249
+  store %S.ast.Type %t248, ptr %t252
+  store i64 %t250, ptr %t244
+  br label %each.step2383
+each.step2383:
+  %t253 = load i64, ptr %a235
+  %t254 = add i64 %t253, 1
+  store i64 %t254, ptr %a235
+  br label %each.cond2381
+each.end2384:
+  %t255 = load ptr, ptr %a1
+  %t256 = icmp eq ptr %t255, null
+  br i1 %t256, label %panic2385, label %ok2386
+panic2385:
+  call void @finch_panic(ptr @.str.1341, i64 538, ptr @.str.1342)
   unreachable
-ok2329:
-  %t253 = getelementptr inbounds %S.gen.Gen, ptr %t251, i32 0, i32 13
-  %t254 = load { ptr, i64, i64 }, ptr %t253
-  store { ptr, i64, i64 } %t254, ptr %a255
-  call void @finch_str_copy(ptr %a256, ptr %a255)
-  %t257 = load { ptr, i64, i64 }, ptr %a256
-  store { ptr, i64, i64 } %t257, ptr %a258
-  %t259 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i32 0, i32 1
-  %t261 = load i64, ptr %t260
-  %t262 = icmp sgt i64 %t261, 0
-  br i1 %t262, label %then2330, label %endif2332
-then2330:
-  %t263 = load ptr, ptr %a1
-  %t264 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  %t266 = call i1 @finch.gen.imports(ptr %t263, { ptr, i64, i64 } %t265)
-  %t267 = xor i1 %t266, true
-  br i1 %t267, label %then2333, label %endif2335
-then2333:
-  %t268 = load ptr, ptr %a1
-  %t269 = load %S.ast.Node, ptr %a3
-  %t270 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t271 = load { ptr, i64, i64 }, ptr %t270
-  store { ptr, i64, i64 } { ptr @.str.1338, i64 1, i64 0 }, ptr %a273
-  store { ptr, i64, i64 } %t271, ptr %a274
-  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
-  %t275 = load { ptr, i64, i64 }, ptr %a272
-  store { ptr, i64, i64 } %t275, ptr %a277
-  store { ptr, i64, i64 } { ptr @.str.1339, i64 36, i64 0 }, ptr %a278
+ok2386:
+  %t257 = getelementptr inbounds %S.gen.Gen, ptr %t255, i32 0, i32 14
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
+  call void @finch_str_copy(ptr %a260, ptr %a259)
+  %t261 = load { ptr, i64, i64 }, ptr %a260
+  store { ptr, i64, i64 } %t261, ptr %a262
+  %t263 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
+  %t265 = load i64, ptr %t264
+  %t266 = icmp sgt i64 %t265, 0
+  br i1 %t266, label %then2387, label %endif2389
+then2387:
+  %t267 = load ptr, ptr %a1
+  %t268 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t269 = load { ptr, i64, i64 }, ptr %t268
+  %t270 = call i1 @finch.gen.imports(ptr %t267, { ptr, i64, i64 } %t269)
+  %t271 = xor i1 %t270, true
+  br i1 %t271, label %then2390, label %endif2392
+then2390:
+  %t272 = load ptr, ptr %a1
+  %t273 = load %S.ast.Node, ptr %a3
+  %t274 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t275 = load { ptr, i64, i64 }, ptr %t274
+  store { ptr, i64, i64 } { ptr @.str.1343, i64 1, i64 0 }, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
   call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
   %t279 = load { ptr, i64, i64 }, ptr %a276
-  %t280 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t281 = load { ptr, i64, i64 }, ptr %t280
+  store { ptr, i64, i64 } %t279, ptr %a281
+  store { ptr, i64, i64 } { ptr @.str.1344, i64 36, i64 0 }, ptr %a282
+  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
   store { ptr, i64, i64 } %t279, ptr %a283
-  store { ptr, i64, i64 } %t281, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  store { ptr, i64, i64 } %t285, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.1340, i64 1, i64 0 }, ptr %a288
-  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
-  %t289 = load { ptr, i64, i64 }, ptr %a286
-  call void @finch.gen.fail(ptr %t268, %S.ast.Node %t269, { ptr, i64, i64 } %t289)
-  br label %endif2335
-endif2335:
-  %t290 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t291 = load { ptr, i64, i64 }, ptr %t290
-  store { ptr, i64, i64 } %t291, ptr %a292
-  call void @finch_str_copy(ptr %a293, ptr %a292)
-  %t294 = load { ptr, i64, i64 }, ptr %a293
-  store { ptr, i64, i64 } %t294, ptr %a258
-  br label %endif2332
-endif2332:
-  %t295 = load ptr, ptr %a1
-  %t296 = load { ptr, i64, i64 }, ptr %a258
-  %t297 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t298 = load { ptr, i64, i64 }, ptr %t297
-  %t299 = load { ptr, i64, i64 }, ptr %a229
-  %t300 = load %S.ast.Node, ptr %a3
-  %t301 = call %S.ast.Type @finch.gen.instStruct(ptr %t295, { ptr, i64, i64 } %t296, { ptr, i64, i64 } %t298, { ptr, i64, i64 } %t299, %S.ast.Node %t300)
-  ret %S.ast.Type %t301
-endif2323:
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t303 = load { ptr, i64, i64 }, ptr %t302
+  call void @finch_str_drop(ptr %a283)
+  %t284 = load { ptr, i64, i64 }, ptr %a280
+  %t285 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t286 = load { ptr, i64, i64 }, ptr %t285
+  store { ptr, i64, i64 } %t284, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  store { ptr, i64, i64 } %t284, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.1345, i64 1, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  call void @finch.gen.fail(ptr %t272, %S.ast.Node %t273, { ptr, i64, i64 } %t296)
+  store { ptr, i64, i64 } %t296, ptr %a297
+  call void @finch_str_drop(ptr %a297)
+  br label %endif2392
+endif2392:
+  %t298 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t299 = load { ptr, i64, i64 }, ptr %t298
+  store { ptr, i64, i64 } %t299, ptr %a300
+  call void @finch_str_copy(ptr %a301, ptr %a300)
+  %t302 = load { ptr, i64, i64 }, ptr %a301
+  %t303 = load { ptr, i64, i64 }, ptr %a262
+  store { ptr, i64, i64 } %t302, ptr %a262
   store { ptr, i64, i64 } %t303, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.1341, i64 1, i64 0 }, ptr %a305
-  %t306 = call i32 @finch_str_eq(ptr %a304, ptr %a305)
-  %t307 = icmp ne i32 %t306, 0
-  br i1 %t307, label %then2336, label %endif2338
-then2336:
-  %t308 = load ptr, ptr %a1
-  %t309 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t310 = load { ptr, i64, i64 }, ptr %t309
-  %t311 = call i64 @finch.gen.findStruct(ptr %t308, { ptr, i64, i64 } { ptr @.str.1342, i64 1, i64 0 }, { ptr, i64, i64 } %t310)
-  %t312 = icmp slt i64 %t311, 0
-  br i1 %t312, label %then2339, label %endif2341
-then2339:
-  %t313 = load ptr, ptr %a1
-  %t314 = load %S.ast.Node, ptr %a3
-  %t315 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t316 = load { ptr, i64, i64 }, ptr %t315
-  store { ptr, i64, i64 } { ptr @.str.1343, i64 28, i64 0 }, ptr %a318
-  store { ptr, i64, i64 } %t316, ptr %a319
-  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
-  %t320 = load { ptr, i64, i64 }, ptr %a317
-  store { ptr, i64, i64 } %t320, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.1344, i64 1, i64 0 }, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  call void @finch.gen.fail(ptr %t313, %S.ast.Node %t314, { ptr, i64, i64 } %t324)
-  br label %endif2341
-endif2341:
-  %t325 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1345, i64 6, i64 0 }, 0
-  %t326 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t327 = load { ptr, i64, i64 }, ptr %t326
-  store { ptr, i64, i64 } %t327, ptr %a328
-  call void @finch_str_copy(ptr %a329, ptr %a328)
-  %t330 = load { ptr, i64, i64 }, ptr %a329
-  %t331 = insertvalue %S.ast.Type %t325, { ptr, i64, i64 } %t330, 2
-  %t332 = insertvalue %S.ast.Type %t331, { ptr, i64, i64 } { ptr @.str.1346, i64 1, i64 0 }, 3
-  ret %S.ast.Type %t332
-endif2338:
-  %t333 = load ptr, ptr %a1
-  %t334 = icmp eq ptr %t333, null
-  br i1 %t334, label %panic2342, label %ok2343
-panic2342:
-  call void @finch_panic(ptr @.str.1347, i64 533, ptr @.str.1348)
-  unreachable
-ok2343:
-  %t335 = getelementptr inbounds %S.gen.Gen, ptr %t333, i32 0, i32 13
-  %t336 = load { ptr, i64, i64 }, ptr %t335
-  store { ptr, i64, i64 } %t336, ptr %a337
-  call void @finch_str_copy(ptr %a338, ptr %a337)
-  %t339 = load { ptr, i64, i64 }, ptr %a338
+  call void @finch_str_drop(ptr %a304)
+  br label %endif2389
+endif2389:
+  %t305 = load ptr, ptr %a1
+  %t306 = load { ptr, i64, i64 }, ptr %a262
+  %t307 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t308 = load { ptr, i64, i64 }, ptr %t307
+  %t309 = load { ptr, i64, i64 }, ptr %a233
+  %t310 = load %S.ast.Node, ptr %a3
+  %t311 = call %S.ast.Type @finch.gen.instStruct(ptr %t305, { ptr, i64, i64 } %t306, { ptr, i64, i64 } %t308, { ptr, i64, i64 } %t309, %S.ast.Node %t310)
+  call void @finch_str_drop(ptr %a262)
+  call void @finch.drop.arr_S_ast_Type(ptr %a233)
+  ret %S.ast.Type %t311
+endif2380:
+  %t312 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t313 = load { ptr, i64, i64 }, ptr %t312
+  store { ptr, i64, i64 } %t313, ptr %a314
+  store { ptr, i64, i64 } { ptr @.str.1346, i64 1, i64 0 }, ptr %a315
+  %t316 = call i32 @finch_str_eq(ptr %a314, ptr %a315)
+  %t317 = icmp ne i32 %t316, 0
+  br i1 %t317, label %then2393, label %endif2395
+then2393:
+  %t318 = load ptr, ptr %a1
+  %t319 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t320 = load { ptr, i64, i64 }, ptr %t319
+  %t321 = call i64 @finch.gen.findStruct(ptr %t318, { ptr, i64, i64 } { ptr @.str.1347, i64 1, i64 0 }, { ptr, i64, i64 } %t320)
+  %t322 = icmp slt i64 %t321, 0
+  br i1 %t322, label %then2396, label %endif2398
+then2396:
+  %t323 = load ptr, ptr %a1
+  %t324 = load %S.ast.Node, ptr %a3
+  %t325 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t326 = load { ptr, i64, i64 }, ptr %t325
+  store { ptr, i64, i64 } { ptr @.str.1348, i64 28, i64 0 }, ptr %a328
+  store { ptr, i64, i64 } %t326, ptr %a329
+  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
+  %t330 = load { ptr, i64, i64 }, ptr %a327
+  store { ptr, i64, i64 } %t330, ptr %a332
+  store { ptr, i64, i64 } { ptr @.str.1349, i64 1, i64 0 }, ptr %a333
+  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
+  store { ptr, i64, i64 } %t330, ptr %a334
+  call void @finch_str_drop(ptr %a334)
+  %t335 = load { ptr, i64, i64 }, ptr %a331
+  call void @finch.gen.fail(ptr %t323, %S.ast.Node %t324, { ptr, i64, i64 } %t335)
+  store { ptr, i64, i64 } %t335, ptr %a336
+  call void @finch_str_drop(ptr %a336)
+  br label %endif2398
+endif2398:
+  %t337 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1350, i64 6, i64 0 }, 0
+  %t338 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t339 = load { ptr, i64, i64 }, ptr %t338
   store { ptr, i64, i64 } %t339, ptr %a340
-  %t341 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t342 = getelementptr inbounds { ptr, i64, i64 }, ptr %t341, i32 0, i32 1
-  %t343 = load i64, ptr %t342
-  %t344 = icmp sgt i64 %t343, 0
-  br i1 %t344, label %then2344, label %endif2346
-then2344:
+  call void @finch_str_copy(ptr %a341, ptr %a340)
+  %t342 = load { ptr, i64, i64 }, ptr %a341
+  %t343 = insertvalue %S.ast.Type %t337, { ptr, i64, i64 } %t342, 2
+  %t344 = insertvalue %S.ast.Type %t343, { ptr, i64, i64 } { ptr @.str.1351, i64 1, i64 0 }, 3
+  ret %S.ast.Type %t344
+endif2395:
   %t345 = load ptr, ptr %a1
-  %t346 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t347 = load { ptr, i64, i64 }, ptr %t346
-  %t348 = call i1 @finch.gen.imports(ptr %t345, { ptr, i64, i64 } %t347)
-  %t349 = xor i1 %t348, true
-  br i1 %t349, label %then2347, label %endif2349
-then2347:
-  %t350 = load ptr, ptr %a1
-  %t351 = load %S.ast.Node, ptr %a3
-  %t352 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t353 = load { ptr, i64, i64 }, ptr %t352
-  store { ptr, i64, i64 } { ptr @.str.1349, i64 1, i64 0 }, ptr %a355
-  store { ptr, i64, i64 } %t353, ptr %a356
-  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  store { ptr, i64, i64 } %t357, ptr %a359
-  store { ptr, i64, i64 } { ptr @.str.1350, i64 36, i64 0 }, ptr %a360
-  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
-  %t361 = load { ptr, i64, i64 }, ptr %a358
-  %t362 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t363 = load { ptr, i64, i64 }, ptr %t362
-  store { ptr, i64, i64 } %t361, ptr %a365
-  store { ptr, i64, i64 } %t363, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t367, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.1351, i64 1, i64 0 }, ptr %a370
-  call void @finch_str_concat(ptr %a368, ptr %a369, ptr %a370)
-  %t371 = load { ptr, i64, i64 }, ptr %a368
-  call void @finch.gen.fail(ptr %t350, %S.ast.Node %t351, { ptr, i64, i64 } %t371)
-  br label %endif2349
-endif2349:
-  %t372 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t373 = load { ptr, i64, i64 }, ptr %t372
-  store { ptr, i64, i64 } %t373, ptr %a374
-  call void @finch_str_copy(ptr %a375, ptr %a374)
-  %t376 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t376, ptr %a340
-  br label %endif2346
-endif2346:
-  %t377 = load ptr, ptr %a1
-  %t378 = load { ptr, i64, i64 }, ptr %a340
-  %t379 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t380 = load { ptr, i64, i64 }, ptr %t379
-  %t381 = call i64 @finch.gen.findEnum(ptr %t377, { ptr, i64, i64 } %t378, { ptr, i64, i64 } %t380)
-  %t382 = icmp sge i64 %t381, 0
-  br i1 %t382, label %then2350, label %endif2352
-then2350:
-  %t383 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1352, i64 4, i64 0 }, 0
-  %t384 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t385 = load { ptr, i64, i64 }, ptr %t384
-  store { ptr, i64, i64 } %t385, ptr %a386
-  call void @finch_str_copy(ptr %a387, ptr %a386)
-  %t388 = load { ptr, i64, i64 }, ptr %a387
-  %t389 = insertvalue %S.ast.Type %t383, { ptr, i64, i64 } %t388, 2
-  %t390 = load { ptr, i64, i64 }, ptr %a340
-  store { ptr, i64, i64 } %t390, ptr %a391
-  call void @finch_str_copy(ptr %a392, ptr %a391)
-  %t393 = load { ptr, i64, i64 }, ptr %a392
-  %t394 = insertvalue %S.ast.Type %t389, { ptr, i64, i64 } %t393, 3
-  ret %S.ast.Type %t394
-endif2352:
+  %t346 = icmp eq ptr %t345, null
+  br i1 %t346, label %panic2399, label %ok2400
+panic2399:
+  call void @finch_panic(ptr @.str.1352, i64 553, ptr @.str.1353)
+  unreachable
+ok2400:
+  %t347 = getelementptr inbounds %S.gen.Gen, ptr %t345, i32 0, i32 14
+  %t348 = load { ptr, i64, i64 }, ptr %t347
+  store { ptr, i64, i64 } %t348, ptr %a349
+  call void @finch_str_copy(ptr %a350, ptr %a349)
+  %t351 = load { ptr, i64, i64 }, ptr %a350
+  store { ptr, i64, i64 } %t351, ptr %a352
+  %t353 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t354 = getelementptr inbounds { ptr, i64, i64 }, ptr %t353, i32 0, i32 1
+  %t355 = load i64, ptr %t354
+  %t356 = icmp sgt i64 %t355, 0
+  br i1 %t356, label %then2401, label %endif2403
+then2401:
+  %t357 = load ptr, ptr %a1
+  %t358 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t359 = load { ptr, i64, i64 }, ptr %t358
+  %t360 = call i1 @finch.gen.imports(ptr %t357, { ptr, i64, i64 } %t359)
+  %t361 = xor i1 %t360, true
+  br i1 %t361, label %then2404, label %endif2406
+then2404:
+  %t362 = load ptr, ptr %a1
+  %t363 = load %S.ast.Node, ptr %a3
+  %t364 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t365 = load { ptr, i64, i64 }, ptr %t364
+  store { ptr, i64, i64 } { ptr @.str.1354, i64 1, i64 0 }, ptr %a367
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  %t369 = load { ptr, i64, i64 }, ptr %a366
+  store { ptr, i64, i64 } %t369, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1355, i64 36, i64 0 }, ptr %a372
+  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
+  store { ptr, i64, i64 } %t369, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a370
+  %t375 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t376 = load { ptr, i64, i64 }, ptr %t375
+  store { ptr, i64, i64 } %t374, ptr %a378
+  store { ptr, i64, i64 } %t376, ptr %a379
+  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
+  store { ptr, i64, i64 } %t374, ptr %a380
+  call void @finch_str_drop(ptr %a380)
+  %t381 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t381, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.1356, i64 1, i64 0 }, ptr %a384
+  call void @finch_str_concat(ptr %a382, ptr %a383, ptr %a384)
+  store { ptr, i64, i64 } %t381, ptr %a385
+  call void @finch_str_drop(ptr %a385)
+  %t386 = load { ptr, i64, i64 }, ptr %a382
+  call void @finch.gen.fail(ptr %t362, %S.ast.Node %t363, { ptr, i64, i64 } %t386)
+  store { ptr, i64, i64 } %t386, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  br label %endif2406
+endif2406:
+  %t388 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t389 = load { ptr, i64, i64 }, ptr %t388
+  store { ptr, i64, i64 } %t389, ptr %a390
+  call void @finch_str_copy(ptr %a391, ptr %a390)
+  %t392 = load { ptr, i64, i64 }, ptr %a391
+  %t393 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t392, ptr %a352
+  store { ptr, i64, i64 } %t393, ptr %a394
+  call void @finch_str_drop(ptr %a394)
+  br label %endif2403
+endif2403:
   %t395 = load ptr, ptr %a1
-  %t396 = load { ptr, i64, i64 }, ptr %a340
+  %t396 = load { ptr, i64, i64 }, ptr %a352
   %t397 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t398 = load { ptr, i64, i64 }, ptr %t397
-  %t399 = call i64 @finch.gen.findStruct(ptr %t395, { ptr, i64, i64 } %t396, { ptr, i64, i64 } %t398)
-  %t400 = icmp slt i64 %t399, 0
-  br i1 %t400, label %then2353, label %endif2355
-then2353:
-  %t401 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t402 = getelementptr inbounds { ptr, i64, i64 }, ptr %t401, i32 0, i32 1
-  %t403 = load i64, ptr %t402
-  %t404 = icmp eq i64 %t403, 0
-  br label %logic.from2356
-logic.from2356:
-  br i1 %t404, label %logic.rhs2357, label %logic.end2358
-logic.rhs2357:
-  %t405 = load ptr, ptr %a1
-  %t406 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t407 = load { ptr, i64, i64 }, ptr %t406
-  %t408 = call i64 @finch.gen.findStruct(ptr %t405, { ptr, i64, i64 } { ptr @.str.1353, i64 1, i64 0 }, { ptr, i64, i64 } %t407)
-  %t409 = icmp sge i64 %t408, 0
-  br label %logic.rend2359
-logic.rend2359:
-  br label %logic.end2358
-logic.end2358:
-  %t410 = phi i1 [ false, %logic.from2356 ], [ %t409, %logic.rend2359 ]
-  br i1 %t410, label %then2360, label %endif2362
-then2360:
-  %t411 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1354, i64 6, i64 0 }, 0
-  %t412 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t413 = load { ptr, i64, i64 }, ptr %t412
-  store { ptr, i64, i64 } %t413, ptr %a414
-  call void @finch_str_copy(ptr %a415, ptr %a414)
-  %t416 = load { ptr, i64, i64 }, ptr %a415
-  %t417 = insertvalue %S.ast.Type %t411, { ptr, i64, i64 } %t416, 2
-  %t418 = insertvalue %S.ast.Type %t417, { ptr, i64, i64 } { ptr @.str.1355, i64 1, i64 0 }, 3
-  ret %S.ast.Type %t418
-endif2362:
-  %t419 = load ptr, ptr %a1
-  %t420 = load %S.ast.Node, ptr %a3
-  %t421 = load %S.ast.Type, ptr %a2
-  %t422 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t421)
-  store { ptr, i64, i64 } { ptr @.str.1356, i64 24, i64 0 }, ptr %a424
-  store { ptr, i64, i64 } %t422, ptr %a425
-  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
-  %t426 = load { ptr, i64, i64 }, ptr %a423
-  store { ptr, i64, i64 } %t426, ptr %a428
-  store { ptr, i64, i64 } { ptr @.str.1357, i64 1, i64 0 }, ptr %a429
-  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
-  %t430 = load { ptr, i64, i64 }, ptr %a427
-  call void @finch.gen.fail(ptr %t419, %S.ast.Node %t420, { ptr, i64, i64 } %t430)
-  br label %endif2355
-endif2355:
-  %t431 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1358, i64 6, i64 0 }, 0
-  %t432 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t433 = load { ptr, i64, i64 }, ptr %t432
-  store { ptr, i64, i64 } %t433, ptr %a434
-  call void @finch_str_copy(ptr %a435, ptr %a434)
-  %t436 = load { ptr, i64, i64 }, ptr %a435
-  %t437 = insertvalue %S.ast.Type %t431, { ptr, i64, i64 } %t436, 2
-  %t438 = load { ptr, i64, i64 }, ptr %a340
-  store { ptr, i64, i64 } %t438, ptr %a439
-  call void @finch_str_copy(ptr %a440, ptr %a439)
-  %t441 = load { ptr, i64, i64 }, ptr %a440
-  %t442 = insertvalue %S.ast.Type %t437, { ptr, i64, i64 } %t441, 3
-  ret %S.ast.Type %t442
+  %t399 = call i64 @finch.gen.findEnum(ptr %t395, { ptr, i64, i64 } %t396, { ptr, i64, i64 } %t398)
+  %t400 = icmp sge i64 %t399, 0
+  br i1 %t400, label %then2407, label %endif2409
+then2407:
+  %t401 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1357, i64 4, i64 0 }, 0
+  %t402 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t403 = load { ptr, i64, i64 }, ptr %t402
+  store { ptr, i64, i64 } %t403, ptr %a404
+  call void @finch_str_copy(ptr %a405, ptr %a404)
+  %t406 = load { ptr, i64, i64 }, ptr %a405
+  %t407 = insertvalue %S.ast.Type %t401, { ptr, i64, i64 } %t406, 2
+  %t408 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t408, ptr %a409
+  call void @finch_str_copy(ptr %a410, ptr %a409)
+  %t411 = load { ptr, i64, i64 }, ptr %a410
+  %t412 = insertvalue %S.ast.Type %t407, { ptr, i64, i64 } %t411, 3
+  call void @finch_str_drop(ptr %a352)
+  ret %S.ast.Type %t412
+endif2409:
+  %t413 = load ptr, ptr %a1
+  %t414 = load { ptr, i64, i64 }, ptr %a352
+  %t415 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  %t417 = call i64 @finch.gen.findStruct(ptr %t413, { ptr, i64, i64 } %t414, { ptr, i64, i64 } %t416)
+  %t418 = icmp slt i64 %t417, 0
+  br i1 %t418, label %then2410, label %endif2412
+then2410:
+  %t419 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t420 = getelementptr inbounds { ptr, i64, i64 }, ptr %t419, i32 0, i32 1
+  %t421 = load i64, ptr %t420
+  %t422 = icmp eq i64 %t421, 0
+  br label %logic.from2413
+logic.from2413:
+  br i1 %t422, label %logic.rhs2414, label %logic.end2415
+logic.rhs2414:
+  %t423 = load ptr, ptr %a1
+  %t424 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t425 = load { ptr, i64, i64 }, ptr %t424
+  %t426 = call i64 @finch.gen.findStruct(ptr %t423, { ptr, i64, i64 } { ptr @.str.1358, i64 1, i64 0 }, { ptr, i64, i64 } %t425)
+  %t427 = icmp sge i64 %t426, 0
+  br label %logic.rend2416
+logic.rend2416:
+  br label %logic.end2415
+logic.end2415:
+  %t428 = phi i1 [ false, %logic.from2413 ], [ %t427, %logic.rend2416 ]
+  br i1 %t428, label %then2417, label %endif2419
+then2417:
+  %t429 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1359, i64 6, i64 0 }, 0
+  %t430 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t431 = load { ptr, i64, i64 }, ptr %t430
+  store { ptr, i64, i64 } %t431, ptr %a432
+  call void @finch_str_copy(ptr %a433, ptr %a432)
+  %t434 = load { ptr, i64, i64 }, ptr %a433
+  %t435 = insertvalue %S.ast.Type %t429, { ptr, i64, i64 } %t434, 2
+  %t436 = insertvalue %S.ast.Type %t435, { ptr, i64, i64 } { ptr @.str.1360, i64 1, i64 0 }, 3
+  call void @finch_str_drop(ptr %a352)
+  ret %S.ast.Type %t436
+endif2419:
+  %t437 = load ptr, ptr %a1
+  %t438 = load %S.ast.Node, ptr %a3
+  %t439 = load %S.ast.Type, ptr %a2
+  %t440 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t439)
+  store { ptr, i64, i64 } { ptr @.str.1361, i64 24, i64 0 }, ptr %a442
+  store { ptr, i64, i64 } %t440, ptr %a443
+  call void @finch_str_concat(ptr %a441, ptr %a442, ptr %a443)
+  store { ptr, i64, i64 } %t440, ptr %a444
+  call void @finch_str_drop(ptr %a444)
+  %t445 = load { ptr, i64, i64 }, ptr %a441
+  store { ptr, i64, i64 } %t445, ptr %a447
+  store { ptr, i64, i64 } { ptr @.str.1362, i64 1, i64 0 }, ptr %a448
+  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
+  store { ptr, i64, i64 } %t445, ptr %a449
+  call void @finch_str_drop(ptr %a449)
+  %t450 = load { ptr, i64, i64 }, ptr %a446
+  call void @finch.gen.fail(ptr %t437, %S.ast.Node %t438, { ptr, i64, i64 } %t450)
+  store { ptr, i64, i64 } %t450, ptr %a451
+  call void @finch_str_drop(ptr %a451)
+  br label %endif2412
+endif2412:
+  %t452 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.1363, i64 6, i64 0 }, 0
+  %t453 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t454 = load { ptr, i64, i64 }, ptr %t453
+  store { ptr, i64, i64 } %t454, ptr %a455
+  call void @finch_str_copy(ptr %a456, ptr %a455)
+  %t457 = load { ptr, i64, i64 }, ptr %a456
+  %t458 = insertvalue %S.ast.Type %t452, { ptr, i64, i64 } %t457, 2
+  %t459 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t459, ptr %a460
+  call void @finch_str_copy(ptr %a461, ptr %a460)
+  %t462 = load { ptr, i64, i64 }, ptr %a461
+  %t463 = insertvalue %S.ast.Type %t458, { ptr, i64, i64 } %t462, 3
+  call void @finch_str_drop(ptr %a352)
+  ret %S.ast.Type %t463
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %p0) {
@@ -23466,33 +26273,42 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1360, i64 1, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1361, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1365, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1366, i64 1, i64 0 }, ptr %a6
   call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.1363, i64 1, i64 0 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1364, i64 0, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1368, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1369, i64 0, i64 0 }, ptr %a11
   call void @finch_str_replace(ptr %a9, ptr %a8, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.1366, i64 1, i64 0 }, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.1367, i64 1, i64 0 }, ptr %a16
-  call void @finch_str_replace(ptr %a14, ptr %a13, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1369, i64 1, i64 0 }, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1370, i64 0, i64 0 }, ptr %a21
-  call void @finch_str_replace(ptr %a19, ptr %a18, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t22
+  store { ptr, i64, i64 } %t7, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1371, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1372, i64 1, i64 0 }, ptr %a17
+  call void @finch_str_replace(ptr %a15, ptr %a14, ptr %a16, ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a15
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t18, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.1374, i64 1, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.1375, i64 0, i64 0 }, ptr %a23
+  call void @finch_str_replace(ptr %a21, ptr %a20, ptr %a22, ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t18, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  ret { ptr, i64, i64 } %t24
 }
 
 define internal { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %p0) {
@@ -23504,10 +26320,10 @@ entry:
   %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t3 = load i64, ptr %t2
   %t4 = icmp eq i64 %t3, 0
-  br i1 %t4, label %then2363, label %endif2365
-then2363:
-  ret { ptr, i64, i64 } { ptr @.str.1371, i64 4, i64 0 }
-endif2365:
+  br i1 %t4, label %then2420, label %endif2422
+then2420:
+  ret { ptr, i64, i64 } { ptr @.str.1376, i64 4, i64 0 }
+endif2422:
   %t5 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t5, ptr %a6
   call void @finch_str_copy(ptr %a7, ptr %a6)
@@ -23530,48 +26346,58 @@ entry:
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
@@ -23582,194 +26408,225 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1372, i64 4, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1377, i64 4, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br i1 %t13, label %then2366, label %endif2368
-then2366:
-  ret { ptr, i64, i64 } { ptr @.str.1373, i64 2, i64 0 }
-endif2368:
+  br i1 %t13, label %then2423, label %endif2425
+then2423:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1378, i64 2, i64 0 }
+endif2425:
   %t14 = load %S.ast.Type, ptr %a2
   %t15 = call i1 @finch.gen.isInt(%S.ast.Type %t14)
-  br label %logic.from2369
-logic.from2369:
-  br i1 %t15, label %logic.end2371, label %logic.rhs2370
-logic.rhs2370:
+  br label %logic.from2426
+logic.from2426:
+  br i1 %t15, label %logic.end2428, label %logic.rhs2427
+logic.rhs2427:
   %t16 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1374, i64 4, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1379, i64 4, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.rend2372
-logic.rend2372:
-  br label %logic.end2371
-logic.end2371:
-  %t21 = phi i1 [ true, %logic.from2369 ], [ %t20, %logic.rend2372 ]
-  br i1 %t21, label %then2373, label %endif2375
-then2373:
+  br label %logic.rend2429
+logic.rend2429:
+  br label %logic.end2428
+logic.end2428:
+  %t21 = phi i1 [ true, %logic.from2426 ], [ %t20, %logic.rend2429 ]
+  br i1 %t21, label %then2430, label %endif2432
+then2430:
   %t22 = load %S.ast.Type, ptr %a2
   %t23 = call i64 @finch.gen.bitsOf(%S.ast.Type %t22)
   call void @finch_str_from_int(ptr %a24, i64 %t23)
   %t25 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.1375, i64 1, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1380, i64 1, i64 0 }, ptr %a27
   store { ptr, i64, i64 } %t25, ptr %a28
   call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  ret { ptr, i64, i64 } %t29
-endif2375:
-  %t30 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t30, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.1376, i64 5, i64 0 }, ptr %a32
-  %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
-  %t34 = icmp ne i32 %t33, 0
-  br i1 %t34, label %then2376, label %endif2378
-then2376:
-  ret { ptr, i64, i64 } { ptr @.str.1377, i64 6, i64 0 }
-endif2378:
-  %t35 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.1378, i64 3, i64 0 }, ptr %a37
-  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
-  %t39 = icmp ne i32 %t38, 0
-  br i1 %t39, label %then2379, label %endif2381
-then2379:
-  ret { ptr, i64, i64 } { ptr @.str.1379, i64 5, i64 0 }
-endif2381:
-  %t40 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t40, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.1380, i64 3, i64 0 }, ptr %a42
-  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
-  %t44 = icmp ne i32 %t43, 0
-  br label %logic.from2382
-logic.from2382:
-  br i1 %t44, label %logic.end2384, label %logic.rhs2383
-logic.rhs2383:
-  %t45 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t45, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1381, i64 5, i64 0 }, ptr %a47
-  %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
-  %t49 = icmp ne i32 %t48, 0
-  br label %logic.rend2385
-logic.rend2385:
-  br label %logic.end2384
-logic.end2384:
-  %t50 = phi i1 [ true, %logic.from2382 ], [ %t49, %logic.rend2385 ]
-  br i1 %t50, label %then2386, label %endif2388
-then2386:
-  ret { ptr, i64, i64 } { ptr @.str.1382, i64 17, i64 0 }
-endif2388:
-  %t51 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t51, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.1383, i64 3, i64 0 }, ptr %a53
-  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
-  %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %then2389, label %endif2391
-then2389:
-  ret { ptr, i64, i64 } { ptr @.str.1384, i64 37, i64 0 }
-endif2391:
-  %t56 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t56, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1385, i64 5, i64 0 }, ptr %a58
-  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
-  %t60 = icmp ne i32 %t59, 0
-  br i1 %t60, label %then2392, label %endif2394
-then2392:
-  %t61 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t62 = load i64, ptr %t61
-  call void @finch_str_from_int(ptr %a63, i64 %t62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1386, i64 1, i64 0 }, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.1387, i64 3, i64 0 }, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load ptr, ptr %a1
-  %t74 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t75 = load { ptr, i64, i64 }, ptr %t74
-  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
-  %t77 = icmp uge i64 0, %t76
-  br i1 %t77, label %range2395, label %inrange2396
-range2395:
-  call void @finch_panic_index(ptr @.str.1388, i64 586, i64 0, i64 %t76)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } %t30
+endif2432:
+  %t31 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t31, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.1381, i64 5, i64 0 }, ptr %a33
+  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
+  %t35 = icmp ne i32 %t34, 0
+  br i1 %t35, label %then2433, label %endif2435
+then2433:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1382, i64 6, i64 0 }
+endif2435:
+  %t36 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t36, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.1383, i64 3, i64 0 }, ptr %a38
+  %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
+  %t40 = icmp ne i32 %t39, 0
+  br i1 %t40, label %then2436, label %endif2438
+then2436:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1384, i64 5, i64 0 }
+endif2438:
+  %t41 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1385, i64 3, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.from2439
+logic.from2439:
+  br i1 %t45, label %logic.end2441, label %logic.rhs2440
+logic.rhs2440:
+  %t46 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t46, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.1386, i64 5, i64 0 }, ptr %a48
+  %t49 = call i32 @finch_str_eq(ptr %a47, ptr %a48)
+  %t50 = icmp ne i32 %t49, 0
+  br label %logic.rend2442
+logic.rend2442:
+  br label %logic.end2441
+logic.end2441:
+  %t51 = phi i1 [ true, %logic.from2439 ], [ %t50, %logic.rend2442 ]
+  br i1 %t51, label %then2443, label %endif2445
+then2443:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1387, i64 17, i64 0 }
+endif2445:
+  %t52 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t52, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.1388, i64 3, i64 0 }, ptr %a54
+  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br i1 %t56, label %then2446, label %endif2448
+then2446:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1389, i64 37, i64 0 }
+endif2448:
+  %t57 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t57, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.1390, i64 5, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
+  %t61 = icmp ne i32 %t60, 0
+  br i1 %t61, label %then2449, label %endif2451
+then2449:
+  %t62 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t63 = load i64, ptr %t62
+  call void @finch_str_from_int(ptr %a64, i64 %t63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.1391, i64 1, i64 0 }, ptr %a67
+  store { ptr, i64, i64 } %t65, ptr %a68
+  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
+  store { ptr, i64, i64 } %t65, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a66
+  store { ptr, i64, i64 } %t70, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.1392, i64 3, i64 0 }, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t70, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  %t76 = load ptr, ptr %a1
+  %t77 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t78 = load { ptr, i64, i64 }, ptr %t77
+  %t79 = extractvalue { ptr, i64, i64 } %t78, 1
+  %t80 = icmp uge i64 0, %t79
+  br i1 %t80, label %range2452, label %inrange2453
+range2452:
+  call void @finch_panic_index(ptr @.str.1393, i64 606, i64 0, i64 %t79)
   unreachable
-inrange2396:
-  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
-  %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i64 0
-  %t80 = load %S.ast.Type, ptr %t79
-  %t81 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t73, %S.ast.Type %t80)
-  store { ptr, i64, i64 } %t72, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.1389, i64 1, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  ret { ptr, i64, i64 } %t89
-endif2394:
-  %t90 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.1390, i64 4, i64 0 }, ptr %a92
-  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
-  %t94 = icmp ne i32 %t93, 0
-  br i1 %t94, label %then2397, label %endif2399
-then2397:
-  ret { ptr, i64, i64 } { ptr @.str.1391, i64 3, i64 0 }
-endif2399:
-  %t95 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.1392, i64 3, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.from2400
-logic.from2400:
-  br i1 %t99, label %logic.end2402, label %logic.rhs2401
-logic.rhs2401:
-  %t100 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1393, i64 4, i64 0 }, ptr %a102
-  %t103 = call i32 @finch_str_eq(ptr %a101, ptr %a102)
-  %t104 = icmp ne i32 %t103, 0
-  br label %logic.rend2403
-logic.rend2403:
-  br label %logic.end2402
-logic.end2402:
-  %t105 = phi i1 [ true, %logic.from2400 ], [ %t104, %logic.rend2403 ]
-  br i1 %t105, label %then2404, label %endif2406
-then2404:
-  ret { ptr, i64, i64 } { ptr @.str.1394, i64 3, i64 0 }
-endif2406:
+inrange2453:
+  %t81 = extractvalue { ptr, i64, i64 } %t78, 0
+  %t82 = getelementptr inbounds %S.ast.Type, ptr %t81, i64 0
+  %t83 = load %S.ast.Type, ptr %t82
+  %t84 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t76, %S.ast.Type %t83)
+  store { ptr, i64, i64 } %t75, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t75, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  store { ptr, i64, i64 } %t84, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t90, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.1394, i64 1, i64 0 }, ptr %a93
+  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
+  store { ptr, i64, i64 } %t90, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a91
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } %t95
+endif2451:
+  %t96 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t96, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.1395, i64 4, i64 0 }, ptr %a98
+  %t99 = call i32 @finch_str_eq(ptr %a97, ptr %a98)
+  %t100 = icmp ne i32 %t99, 0
+  br i1 %t100, label %then2454, label %endif2456
+then2454:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1396, i64 3, i64 0 }
+endif2456:
+  %t101 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t101, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.1397, i64 3, i64 0 }, ptr %a103
+  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
+  %t105 = icmp ne i32 %t104, 0
+  br label %logic.from2457
+logic.from2457:
+  br i1 %t105, label %logic.end2459, label %logic.rhs2458
+logic.rhs2458:
   %t106 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.1395, i64 4, i64 0 }, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.1398, i64 4, i64 0 }, ptr %a108
   %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
   %t110 = icmp ne i32 %t109, 0
-  br i1 %t110, label %then2407, label %endif2409
-then2407:
-  ret { ptr, i64, i64 } { ptr @.str.1396, i64 4, i64 0 }
-endif2409:
-  %t111 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t112 = load { ptr, i64, i64 }, ptr %t111
-  %t113 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t112)
-  store { ptr, i64, i64 } { ptr @.str.1397, i64 3, i64 0 }, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.1398, i64 1, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  %t124 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t123)
-  store { ptr, i64, i64 } %t121, ptr %a126
-  store { ptr, i64, i64 } %t124, ptr %a127
+  br label %logic.rend2460
+logic.rend2460:
+  br label %logic.end2459
+logic.end2459:
+  %t111 = phi i1 [ true, %logic.from2457 ], [ %t110, %logic.rend2460 ]
+  br i1 %t111, label %then2461, label %endif2463
+then2461:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1399, i64 3, i64 0 }
+endif2463:
+  %t112 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t112, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.1400, i64 4, i64 0 }, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br i1 %t116, label %then2464, label %endif2466
+then2464:
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } { ptr @.str.1401, i64 4, i64 0 }
+endif2466:
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t118)
+  store { ptr, i64, i64 } { ptr @.str.1402, i64 3, i64 0 }, ptr %a121
+  store { ptr, i64, i64 } %t119, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t124, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.1403, i64 1, i64 0 }, ptr %a127
   call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
-  %t128 = load { ptr, i64, i64 }, ptr %a125
-  ret { ptr, i64, i64 } %t128
+  store { ptr, i64, i64 } %t124, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  %t129 = load { ptr, i64, i64 }, ptr %a125
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  %t132 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t131)
+  store { ptr, i64, i64 } %t129, ptr %a134
+  store { ptr, i64, i64 } %t132, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t129, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  store { ptr, i64, i64 } %t132, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  %t138 = load { ptr, i64, i64 }, ptr %a133
+  call void @finch_str_drop(ptr %a8)
+  ret { ptr, i64, i64 } %t138
 }
 
 define internal { ptr, i64, i64 } @finch.gen.retTy(ptr %p0, %S.gen.FnSig %p1) {
@@ -23780,51 +26637,59 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.FnSig %p1, ptr %a2
   %t3 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
   %t4 = load i1, ptr %t3
   %t5 = xor i1 %t4, true
-  br i1 %t5, label %then2410, label %endif2412
-then2410:
+  br i1 %t5, label %then2467, label %endif2469
+then2467:
   %t6 = load ptr, ptr %a1
   %t7 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t8 = load %S.ast.Type, ptr %t7
   %t9 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t6, %S.ast.Type %t8)
   ret { ptr, i64, i64 } %t9
-endif2412:
-  store { ptr, i64, i64 } { ptr @.str.1399, i64 2, i64 0 }, ptr %a10
+endif2469:
+  store { ptr, i64, i64 } { ptr @.str.1404, i64 2, i64 0 }, ptr %a10
   %t11 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t12 = getelementptr inbounds %S.ast.Type, ptr %t11, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1400, i64 4, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1405, i64 4, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp eq i32 %t16, 0
-  br i1 %t17, label %then2413, label %endif2415
-then2413:
+  br i1 %t17, label %then2470, label %endif2472
+then2470:
   %t18 = load ptr, ptr %a1
   %t19 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t20 = load %S.ast.Type, ptr %t19
   %t21 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t18, %S.ast.Type %t20)
-  store { ptr, i64, i64 } %t21, ptr %a10
-  br label %endif2415
-endif2415:
   %t22 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1401, i64 6, i64 0 }, ptr %a24
-  store { ptr, i64, i64 } %t22, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t26, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.1402, i64 21, i64 0 }, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  ret { ptr, i64, i64 } %t30
+  store { ptr, i64, i64 } %t21, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  br label %endif2472
+endif2472:
+  %t24 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1406, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1407, i64 21, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t33
 }
 
 define internal { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %p0) {
@@ -23837,25 +26702,33 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   store %S.ast.Node %p0, ptr %a1
   %t2 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1403, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1408, i64 1, i64 0 }, ptr %a6
   call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 11
@@ -23865,32 +26738,48 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a13
   store { ptr, i64, i64 } %t11, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t15, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1404, i64 1, i64 0 }, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  %t20 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 12
-  %t21 = load i64, ptr %t20
-  call void @finch_str_from_int(ptr %a22, i64 %t21)
-  %t23 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t19, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t27, ptr %a29
-  store { ptr, i64, i64 } { ptr @.str.1405, i64 1, i64 0 }, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  %t32 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 13
-  %t33 = load i64, ptr %t32
-  call void @finch_str_from_int(ptr %a34, i64 %t33)
-  %t35 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t31, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  ret { ptr, i64, i64 } %t39
+  store { ptr, i64, i64 } %t7, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  store { ptr, i64, i64 } %t11, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t17, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1409, i64 1, i64 0 }, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  %t23 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 12
+  %t24 = load i64, ptr %t23
+  call void @finch_str_from_int(ptr %a25, i64 %t24)
+  %t26 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t22, ptr %a28
+  store { ptr, i64, i64 } %t26, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t22, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  store { ptr, i64, i64 } %t26, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.1410, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 13
+  %t39 = load i64, ptr %t38
+  call void @finch_str_from_int(ptr %a40, i64 %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t37, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t37, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  store { ptr, i64, i64 } %t41, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a42
+  ret { ptr, i64, i64 } %t47
 }
 
 define internal { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %p0) {
@@ -23918,77 +26807,82 @@ entry:
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load %S.ast.Type, ptr %a1
   %t9 = call i1 @finch.gen.isInt(%S.ast.Type %t8)
-  br label %logic.from2416
-logic.from2416:
-  br i1 %t9, label %logic.end2418, label %logic.rhs2417
-logic.rhs2417:
+  br label %logic.from2473
+logic.from2473:
+  br i1 %t9, label %logic.end2475, label %logic.rhs2474
+logic.rhs2474:
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1406, i64 4, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1411, i64 4, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br label %logic.rend2419
-logic.rend2419:
-  br label %logic.end2418
-logic.end2418:
-  %t15 = phi i1 [ true, %logic.from2416 ], [ %t14, %logic.rend2419 ]
-  br label %logic.from2420
-logic.from2420:
-  br i1 %t15, label %logic.end2422, label %logic.rhs2421
-logic.rhs2421:
+  br label %logic.rend2476
+logic.rend2476:
+  br label %logic.end2475
+logic.end2475:
+  %t15 = phi i1 [ true, %logic.from2473 ], [ %t14, %logic.rend2476 ]
+  br label %logic.from2477
+logic.from2477:
+  br i1 %t15, label %logic.end2479, label %logic.rhs2478
+logic.rhs2478:
   %t16 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1407, i64 4, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1412, i64 4, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.rend2423
-logic.rend2423:
-  br label %logic.end2422
-logic.end2422:
-  %t21 = phi i1 [ true, %logic.from2420 ], [ %t20, %logic.rend2423 ]
-  br i1 %t21, label %then2424, label %endif2426
-then2424:
-  ret { ptr, i64, i64 } { ptr @.str.1408, i64 1, i64 0 }
-endif2426:
+  br label %logic.rend2480
+logic.rend2480:
+  br label %logic.end2479
+logic.end2479:
+  %t21 = phi i1 [ true, %logic.from2477 ], [ %t20, %logic.rend2480 ]
+  br i1 %t21, label %then2481, label %endif2483
+then2481:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1413, i64 1, i64 0 }
+endif2483:
   %t22 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1409, i64 4, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1414, i64 4, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %then2427, label %endif2429
-then2427:
-  ret { ptr, i64, i64 } { ptr @.str.1410, i64 5, i64 0 }
-endif2429:
+  br i1 %t26, label %then2484, label %endif2486
+then2484:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1415, i64 5, i64 0 }
+endif2486:
   %t27 = load %S.ast.Type, ptr %a1
   %t28 = call i1 @finch.gen.isFloat(%S.ast.Type %t27)
-  br i1 %t28, label %then2430, label %endif2432
-then2430:
-  ret { ptr, i64, i64 } { ptr @.str.1411, i64 3, i64 0 }
-endif2432:
+  br i1 %t28, label %then2487, label %endif2489
+then2487:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1416, i64 3, i64 0 }
+endif2489:
   %t29 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t29, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.1412, i64 3, i64 0 }, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.1417, i64 3, i64 0 }, ptr %a31
   %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
   %t33 = icmp ne i32 %t32, 0
-  br label %logic.from2433
-logic.from2433:
-  br i1 %t33, label %logic.end2435, label %logic.rhs2434
-logic.rhs2434:
+  br label %logic.from2490
+logic.from2490:
+  br i1 %t33, label %logic.end2492, label %logic.rhs2491
+logic.rhs2491:
   %t34 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.1413, i64 4, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.1418, i64 4, i64 0 }, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.rend2436
-logic.rend2436:
-  br label %logic.end2435
-logic.end2435:
-  %t39 = phi i1 [ true, %logic.from2433 ], [ %t38, %logic.rend2436 ]
-  br i1 %t39, label %then2437, label %endif2439
-then2437:
-  ret { ptr, i64, i64 } { ptr @.str.1414, i64 4, i64 0 }
-endif2439:
-  ret { ptr, i64, i64 } { ptr @.str.1415, i64 15, i64 0 }
+  br label %logic.rend2493
+logic.rend2493:
+  br label %logic.end2492
+logic.end2492:
+  %t39 = phi i1 [ true, %logic.from2490 ], [ %t38, %logic.rend2493 ]
+  br i1 %t39, label %then2494, label %endif2496
+then2494:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1419, i64 4, i64 0 }
+endif2496:
+  call void @finch_str_drop(ptr %a7)
+  ret { ptr, i64, i64 } { ptr @.str.1420, i64 15, i64 0 }
 }
 
 define internal { ptr, i64, i64 } @finch.gen.sizeOf(ptr %p0, %S.ast.Type %p1) {
@@ -23998,23 +26892,29 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load %S.ast.Type, ptr %a2
   %t5 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t3, %S.ast.Type %t4)
-  store { ptr, i64, i64 } { ptr @.str.1416, i64 29, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.1421, i64 29, i64 0 }, ptr %a7
   store { ptr, i64, i64 } %t5, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
-  %t9 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t9, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1417, i64 26, i64 0 }, ptr %a12
-  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  ret { ptr, i64, i64 } %t13
+  store { ptr, i64, i64 } %t5, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  %t10 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t10, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1422, i64 26, i64 0 }, ptr %a13
+  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  ret { ptr, i64, i64 } %t15
 }
 
 define internal i1 @finch.gen.owning(ptr %p0, %S.ast.Type %p1) {
@@ -24034,59 +26934,59 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.1418, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1423, i64 3, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br label %logic.from2440
-logic.from2440:
-  br i1 %t8, label %logic.end2442, label %logic.rhs2441
-logic.rhs2441:
+  br label %logic.from2497
+logic.from2497:
+  br i1 %t8, label %logic.end2499, label %logic.rhs2498
+logic.rhs2498:
   %t9 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1419, i64 5, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1424, i64 5, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br label %logic.rend2443
-logic.rend2443:
-  br label %logic.end2442
-logic.end2442:
-  %t15 = phi i1 [ true, %logic.from2440 ], [ %t14, %logic.rend2443 ]
-  br label %logic.from2444
-logic.from2444:
-  br i1 %t15, label %logic.end2446, label %logic.rhs2445
-logic.rhs2445:
+  br label %logic.rend2500
+logic.rend2500:
+  br label %logic.end2499
+logic.end2499:
+  %t15 = phi i1 [ true, %logic.from2497 ], [ %t14, %logic.rend2500 ]
+  br label %logic.from2501
+logic.from2501:
+  br i1 %t15, label %logic.end2503, label %logic.rhs2502
+logic.rhs2502:
   %t16 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t17 = load { ptr, i64, i64 }, ptr %t16
   store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1420, i64 3, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1425, i64 3, i64 0 }, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp ne i32 %t20, 0
-  br label %logic.rend2447
-logic.rend2447:
-  br label %logic.end2446
-logic.end2446:
-  %t22 = phi i1 [ true, %logic.from2444 ], [ %t21, %logic.rend2447 ]
-  br i1 %t22, label %then2448, label %endif2450
-then2448:
+  br label %logic.rend2504
+logic.rend2504:
+  br label %logic.end2503
+logic.end2503:
+  %t22 = phi i1 [ true, %logic.from2501 ], [ %t21, %logic.rend2504 ]
+  br i1 %t22, label %then2505, label %endif2507
+then2505:
   ret i1 true
-endif2450:
+endif2507:
   %t23 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t24 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1421, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1426, i64 6, i64 0 }, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br i1 %t28, label %then2451, label %endif2453
-then2451:
+  br i1 %t28, label %then2508, label %endif2510
+then2508:
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic2454, label %ok2455
-panic2454:
-  call void @finch_panic(ptr @.str.1422, i64 644, ptr @.str.1423)
+  br i1 %t30, label %panic2511, label %ok2512
+panic2511:
+  call void @finch_panic(ptr @.str.1427, i64 664, ptr @.str.1428)
   unreachable
-ok2455:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 15
+ok2512:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 16
   %t32 = load ptr, ptr %a1
   %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t34 = load { ptr, i64, i64 }, ptr %t33
@@ -24096,17 +26996,17 @@ ok2455:
   %t38 = load { ptr, i64, i64 }, ptr %t31
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 %t37, %t39
-  br i1 %t40, label %range2456, label %inrange2457
-range2456:
-  call void @finch_panic_index(ptr @.str.1424, i64 644, i64 %t37, i64 %t39)
+  br i1 %t40, label %range2513, label %inrange2514
+range2513:
+  call void @finch_panic_index(ptr @.str.1429, i64 664, i64 %t37, i64 %t39)
   unreachable
-inrange2457:
+inrange2514:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds %S.gen.StructDef, ptr %t41, i64 %t37
   %t43 = getelementptr inbounds %S.gen.StructDef, ptr %t42, i32 0, i32 16
   %t44 = load i1, ptr %t43
   ret i1 %t44
-endif2453:
+endif2510:
   ret i1 false
 }
 
@@ -24118,178 +27018,214 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   store %S.ast.Type %p0, ptr %a1
   %t2 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.1425, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.1430, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then2458, label %endif2460
-then2458:
+  br i1 %t7, label %then2515, label %endif2517
+then2515:
   %t8 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 0, %t10
-  br i1 %t11, label %range2461, label %inrange2462
-range2461:
-  call void @finch_panic_index(ptr @.str.1427, i64 651, i64 0, i64 %t10)
+  br i1 %t11, label %range2518, label %inrange2519
+range2518:
+  call void @finch_panic_index(ptr @.str.1432, i64 671, i64 0, i64 %t10)
   unreachable
-inrange2462:
+inrange2519:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds %S.ast.Type, ptr %t12, i64 0
   %t14 = load %S.ast.Type, ptr %t13
   %t15 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t14)
-  store { ptr, i64, i64 } { ptr @.str.1426, i64 4, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1431, i64 4, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  ret { ptr, i64, i64 } %t19
-endif2460:
-  %t20 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t21 = load { ptr, i64, i64 }, ptr %t20
-  store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.1428, i64 3, i64 0 }, ptr %a23
-  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
-  %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then2463, label %endif2465
-then2463:
-  %t26 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t27 = load { ptr, i64, i64 }, ptr %t26
-  %t28 = extractvalue { ptr, i64, i64 } %t27, 1
-  %t29 = icmp uge i64 0, %t28
-  br i1 %t29, label %range2466, label %inrange2467
-range2466:
-  call void @finch_panic_index(ptr @.str.1430, i64 654, i64 0, i64 %t28)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  ret { ptr, i64, i64 } %t20
+endif2517:
+  %t21 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t22 = load { ptr, i64, i64 }, ptr %t21
+  store { ptr, i64, i64 } %t22, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.1433, i64 3, i64 0 }, ptr %a24
+  %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
+  %t26 = icmp ne i32 %t25, 0
+  br i1 %t26, label %then2520, label %endif2522
+then2520:
+  %t27 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t28 = load { ptr, i64, i64 }, ptr %t27
+  %t29 = extractvalue { ptr, i64, i64 } %t28, 1
+  %t30 = icmp uge i64 0, %t29
+  br i1 %t30, label %range2523, label %inrange2524
+range2523:
+  call void @finch_panic_index(ptr @.str.1435, i64 674, i64 0, i64 %t29)
   unreachable
-inrange2467:
-  %t30 = extractvalue { ptr, i64, i64 } %t27, 0
-  %t31 = getelementptr inbounds %S.ast.Type, ptr %t30, i64 0
-  %t32 = load %S.ast.Type, ptr %t31
-  %t33 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t32)
-  store { ptr, i64, i64 } { ptr @.str.1429, i64 4, i64 0 }, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.1431, i64 1, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
-  %t45 = icmp uge i64 1, %t44
-  br i1 %t45, label %range2468, label %inrange2469
-range2468:
-  call void @finch_panic_index(ptr @.str.1432, i64 654, i64 1, i64 %t44)
+inrange2524:
+  %t31 = extractvalue { ptr, i64, i64 } %t28, 0
+  %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i64 0
+  %t33 = load %S.ast.Type, ptr %t32
+  %t34 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t33)
+  store { ptr, i64, i64 } { ptr @.str.1434, i64 4, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1436, i64 1, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 1
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = icmp uge i64 1, %t47
+  br i1 %t48, label %range2525, label %inrange2526
+range2525:
+  call void @finch_panic_index(ptr @.str.1437, i64 674, i64 1, i64 %t47)
   unreachable
-inrange2469:
-  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
-  %t47 = getelementptr inbounds %S.ast.Type, ptr %t46, i64 1
-  %t48 = load %S.ast.Type, ptr %t47
-  %t49 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t48)
-  store { ptr, i64, i64 } %t41, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  ret { ptr, i64, i64 } %t53
-endif2465:
-  %t54 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.1433, i64 4, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
-  %t59 = icmp ne i32 %t58, 0
-  br i1 %t59, label %then2470, label %endif2472
-then2470:
-  %t60 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
-  %t61 = load { ptr, i64, i64 }, ptr %t60
-  %t62 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t61)
-  store { ptr, i64, i64 } { ptr @.str.1434, i64 2, i64 0 }, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.1435, i64 1, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  %t71 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t72 = load { ptr, i64, i64 }, ptr %t71
-  store { ptr, i64, i64 } %t70, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
+inrange2526:
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = getelementptr inbounds %S.ast.Type, ptr %t49, i64 1
+  %t51 = load %S.ast.Type, ptr %t50
+  %t52 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t51)
+  store { ptr, i64, i64 } %t44, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a55
+  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
+  store { ptr, i64, i64 } %t44, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  store { ptr, i64, i64 } %t52, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a53
+  ret { ptr, i64, i64 } %t58
+endif2522:
+  %t59 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  store { ptr, i64, i64 } %t60, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.1438, i64 4, i64 0 }, ptr %a62
+  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
+  %t64 = icmp ne i32 %t63, 0
+  br i1 %t64, label %then2527, label %endif2529
+then2527:
+  %t65 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t66 = load { ptr, i64, i64 }, ptr %t65
+  %t67 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t66)
+  store { ptr, i64, i64 } { ptr @.str.1439, i64 2, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } %t67, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1440, i64 1, i64 0 }, ptr %a75
   call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  ret { ptr, i64, i64 } %t76
-endif2472:
-  %t77 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t78 = load { ptr, i64, i64 }, ptr %t77
-  store { ptr, i64, i64 } %t78, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.1436, i64 6, i64 0 }, ptr %a80
-  %t81 = call i32 @finch_str_eq(ptr %a79, ptr %a80)
-  %t82 = icmp ne i32 %t81, 0
-  br i1 %t82, label %then2473, label %endif2475
-then2473:
-  %t83 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
-  %t84 = load { ptr, i64, i64 }, ptr %t83
-  %t85 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t84)
-  store { ptr, i64, i64 } { ptr @.str.1437, i64 2, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.1438, i64 1, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t95)
-  store { ptr, i64, i64 } %t93, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  ret { ptr, i64, i64 } %t100
-endif2475:
-  %t101 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
-  %t102 = load { ptr, i64, i64 }, ptr %t101
-  store { ptr, i64, i64 } %t102, ptr %a103
-  call void @finch_str_copy(ptr %a104, ptr %a103)
-  %t105 = load { ptr, i64, i64 }, ptr %a104
-  ret { ptr, i64, i64 } %t105
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t77, ptr %a81
+  store { ptr, i64, i64 } %t79, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t77, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  ret { ptr, i64, i64 } %t84
+endif2529:
+  %t85 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  store { ptr, i64, i64 } %t86, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.1441, i64 6, i64 0 }, ptr %a88
+  %t89 = call i32 @finch_str_eq(ptr %a87, ptr %a88)
+  %t90 = icmp ne i32 %t89, 0
+  br i1 %t90, label %then2530, label %endif2532
+then2530:
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 3
+  %t92 = load { ptr, i64, i64 }, ptr %t91
+  %t93 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } { ptr @.str.1442, i64 2, i64 0 }, ptr %a95
+  store { ptr, i64, i64 } %t93, ptr %a96
+  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  store { ptr, i64, i64 } %t98, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.1443, i64 1, i64 0 }, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  %t104 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 2
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  %t106 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t105)
+  store { ptr, i64, i64 } %t103, ptr %a108
+  store { ptr, i64, i64 } %t106, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t103, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  store { ptr, i64, i64 } %t106, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a107
+  ret { ptr, i64, i64 } %t112
+endif2532:
+  %t113 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  store { ptr, i64, i64 } %t114, ptr %a115
+  call void @finch_str_copy(ptr %a116, ptr %a115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  ret { ptr, i64, i64 } %t117
 }
 
 define internal { ptr, i64, i64 } @finch.gen.hex(i64 %p0) {
@@ -24301,18 +27237,20 @@ entry:
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.1439, i64 16, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1444, i64 16, i64 0 }, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = sdiv i64 %t3, 16
   %t5 = load { ptr, i64, i64 }, ptr %a2
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 %t4, %t6
-  br i1 %t7, label %range2476, label %inrange2477
-range2476:
-  call void @finch_panic_index(ptr @.str.1440, i64 669, i64 %t4, i64 %t6)
+  br i1 %t7, label %range2533, label %inrange2534
+range2533:
+  call void @finch_panic_index(ptr @.str.1445, i64 689, i64 %t4, i64 %t6)
   unreachable
-inrange2477:
+inrange2534:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds i8, ptr %t8, i64 %t4
   %t10 = load i8, ptr %t9
@@ -24323,11 +27261,11 @@ inrange2477:
   %t15 = load { ptr, i64, i64 }, ptr %a2
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 %t14, %t16
-  br i1 %t17, label %range2478, label %inrange2479
-range2478:
-  call void @finch_panic_index(ptr @.str.1441, i64 669, i64 %t14, i64 %t16)
+  br i1 %t17, label %range2535, label %inrange2536
+range2535:
+  call void @finch_panic_index(ptr @.str.1446, i64 689, i64 %t14, i64 %t16)
   unreachable
-inrange2479:
+inrange2536:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds i8, ptr %t18, i64 %t14
   %t20 = load i8, ptr %t19
@@ -24336,8 +27274,13 @@ inrange2479:
   store { ptr, i64, i64 } %t12, ptr %a24
   store { ptr, i64, i64 } %t22, ptr %a25
   call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  ret { ptr, i64, i64 } %t26
+  store { ptr, i64, i64 } %t12, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  store { ptr, i64, i64 } %t22, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch_str_drop(ptr %a2)
+  ret { ptr, i64, i64 } %t28
 }
 
 define internal { ptr, i64, i64 } @finch.gen.strGlobal(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -24348,214 +27291,234 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca i64, align 16
-  %a28 = alloca i8, align 16
-  %a31 = alloca i64, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca i64, align 16
+  %a29 = alloca i8, align 16
+  %a32 = alloca i64, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2480, label %ok2481
-panic2480:
-  call void @finch_panic(ptr @.str.1442, i64 673, ptr @.str.1443)
+  br i1 %t4, label %panic2537, label %ok2538
+panic2537:
+  call void @finch_panic(ptr @.str.1447, i64 693, ptr @.str.1448)
   unreachable
-ok2481:
+ok2538:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 8
   %t6 = load i64, ptr %t5
   %t7 = add i64 %t6, 1
   store i64 %t7, ptr %t5
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic2482, label %ok2483
-panic2482:
-  call void @finch_panic(ptr @.str.1445, i64 674, ptr @.str.1446)
+  br i1 %t9, label %panic2539, label %ok2540
+panic2539:
+  call void @finch_panic(ptr @.str.1450, i64 694, ptr @.str.1451)
   unreachable
-ok2483:
+ok2540:
   %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 8
   %t11 = load i64, ptr %t10
   call void @finch_str_from_int(ptr %a12, i64 %t11)
   %t13 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1444, i64 6, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.1449, i64 6, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } zeroinitializer, ptr %a19
-  store i64 0, ptr %a20
-  br label %each.cond2484
-each.cond2484:
-  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t22 = load i64, ptr %t21
-  %t23 = load i64, ptr %a20
-  %t24 = icmp slt i64 %t23, %t22
-  br i1 %t24, label %each.body2485, label %each.end2487
-each.body2485:
-  %t25 = load ptr, ptr %a2
-  %t26 = getelementptr inbounds i8, ptr %t25, i64 %t23
-  %t27 = load i8, ptr %t26
-  store i8 %t27, ptr %a28
-  %t29 = load i8, ptr %a28
-  %t30 = zext i8 %t29 to i64
-  store i64 %t30, ptr %a31
-  %t32 = load i64, ptr %a31
-  %t33 = icmp slt i64 %t32, 0
-  br i1 %t33, label %then2488, label %endif2490
-then2488:
-  %t34 = load i64, ptr %a31
-  %t35 = add i64 %t34, 256
-  store i64 %t35, ptr %a31
-  br label %endif2490
-endif2490:
-  %t36 = load i64, ptr %a31
-  %t37 = icmp sge i64 %t36, 32
-  br label %logic.from2491
-logic.from2491:
-  br i1 %t37, label %logic.rhs2492, label %logic.end2493
-logic.rhs2492:
-  %t38 = load i64, ptr %a31
-  %t39 = icmp slt i64 %t38, 127
-  br label %logic.rend2494
-logic.rend2494:
-  br label %logic.end2493
-logic.end2493:
-  %t40 = phi i1 [ false, %logic.from2491 ], [ %t39, %logic.rend2494 ]
-  br label %logic.from2495
-logic.from2495:
-  br i1 %t40, label %logic.rhs2496, label %logic.end2497
-logic.rhs2496:
-  %t41 = load i8, ptr %a28
-  %t42 = icmp ne i8 %t41, 34
-  br label %logic.rend2498
-logic.rend2498:
-  br label %logic.end2497
-logic.end2497:
-  %t43 = phi i1 [ false, %logic.from2495 ], [ %t42, %logic.rend2498 ]
-  br label %logic.from2499
-logic.from2499:
-  br i1 %t43, label %logic.rhs2500, label %logic.end2501
-logic.rhs2500:
-  %t44 = load i8, ptr %a28
-  %t45 = icmp ne i8 %t44, 92
-  br label %logic.rend2502
-logic.rend2502:
-  br label %logic.end2501
-logic.end2501:
-  %t46 = phi i1 [ false, %logic.from2499 ], [ %t45, %logic.rend2502 ]
-  br i1 %t46, label %then2503, label %else2504
-then2503:
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t48 = load i8, ptr %a28
-  call void @finch_str_from_char(ptr %a49, i8 signext %t48)
-  %t50 = load { ptr, i64, i64 }, ptr %a49
-  %t51 = load i64, ptr %t47
-  %t52 = add i64 %t51, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t52, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t53 = load ptr, ptr %a19
-  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i64 %t51
-  store { ptr, i64, i64 } %t50, ptr %t54
-  store i64 %t52, ptr %t47
-  br label %endif2505
-else2504:
-  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t56 = load i64, ptr %a31
-  %t57 = call { ptr, i64, i64 } @finch.gen.hex(i64 %t56)
-  store { ptr, i64, i64 } { ptr @.str.1447, i64 1, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load i64, ptr %t55
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t63, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %a19
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t62
-  store { ptr, i64, i64 } %t61, ptr %t65
-  store i64 %t63, ptr %t55
-  br label %endif2505
-endif2505:
-  br label %each.step2486
-each.step2486:
-  %t66 = load i64, ptr %a20
-  %t67 = add i64 %t66, 1
-  store i64 %t67, ptr %a20
-  br label %each.cond2484
-each.end2487:
-  %t68 = load ptr, ptr %a1
-  %t69 = icmp eq ptr %t68, null
-  br i1 %t69, label %panic2506, label %ok2507
-panic2506:
-  call void @finch_panic(ptr @.str.1448, i64 687, ptr @.str.1449)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a19
+  store { ptr, i64, i64 } zeroinitializer, ptr %a20
+  store i64 0, ptr %a21
+  br label %each.cond2541
+each.cond2541:
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = load i64, ptr %a21
+  %t25 = icmp slt i64 %t24, %t23
+  br i1 %t25, label %each.body2542, label %each.end2544
+each.body2542:
+  %t26 = load ptr, ptr %a2
+  %t27 = getelementptr inbounds i8, ptr %t26, i64 %t24
+  %t28 = load i8, ptr %t27
+  store i8 %t28, ptr %a29
+  %t30 = load i8, ptr %a29
+  %t31 = zext i8 %t30 to i64
+  store i64 %t31, ptr %a32
+  %t33 = load i64, ptr %a32
+  %t34 = icmp slt i64 %t33, 0
+  br i1 %t34, label %then2545, label %endif2547
+then2545:
+  %t35 = load i64, ptr %a32
+  %t36 = add i64 %t35, 256
+  store i64 %t36, ptr %a32
+  br label %endif2547
+endif2547:
+  %t37 = load i64, ptr %a32
+  %t38 = icmp sge i64 %t37, 32
+  br label %logic.from2548
+logic.from2548:
+  br i1 %t38, label %logic.rhs2549, label %logic.end2550
+logic.rhs2549:
+  %t39 = load i64, ptr %a32
+  %t40 = icmp slt i64 %t39, 127
+  br label %logic.rend2551
+logic.rend2551:
+  br label %logic.end2550
+logic.end2550:
+  %t41 = phi i1 [ false, %logic.from2548 ], [ %t40, %logic.rend2551 ]
+  br label %logic.from2552
+logic.from2552:
+  br i1 %t41, label %logic.rhs2553, label %logic.end2554
+logic.rhs2553:
+  %t42 = load i8, ptr %a29
+  %t43 = icmp ne i8 %t42, 34
+  br label %logic.rend2555
+logic.rend2555:
+  br label %logic.end2554
+logic.end2554:
+  %t44 = phi i1 [ false, %logic.from2552 ], [ %t43, %logic.rend2555 ]
+  br label %logic.from2556
+logic.from2556:
+  br i1 %t44, label %logic.rhs2557, label %logic.end2558
+logic.rhs2557:
+  %t45 = load i8, ptr %a29
+  %t46 = icmp ne i8 %t45, 92
+  br label %logic.rend2559
+logic.rend2559:
+  br label %logic.end2558
+logic.end2558:
+  %t47 = phi i1 [ false, %logic.from2556 ], [ %t46, %logic.rend2559 ]
+  br i1 %t47, label %then2560, label %else2561
+then2560:
+  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
+  %t49 = load i8, ptr %a29
+  call void @finch_str_from_char(ptr %a50, i8 signext %t49)
+  %t51 = load { ptr, i64, i64 }, ptr %a50
+  %t52 = load i64, ptr %t48
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %a20, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %a20
+  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
+  store { ptr, i64, i64 } %t51, ptr %t55
+  store i64 %t53, ptr %t48
+  br label %endif2562
+else2561:
+  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
+  %t57 = load i64, ptr %a32
+  %t58 = call { ptr, i64, i64 } @finch.gen.hex(i64 %t57)
+  store { ptr, i64, i64 } { ptr @.str.1452, i64 1, i64 0 }, ptr %a60
+  store { ptr, i64, i64 } %t58, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  %t64 = load i64, ptr %t56
+  %t65 = add i64 %t64, 1
+  call void @finch_arr_reserve(ptr %a20, i64 %t65, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t66 = load ptr, ptr %a20
+  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i64 %t64
+  store { ptr, i64, i64 } %t63, ptr %t67
+  store i64 %t65, ptr %t56
+  br label %endif2562
+endif2562:
+  br label %each.step2543
+each.step2543:
+  %t68 = load i64, ptr %a21
+  %t69 = add i64 %t68, 1
+  store i64 %t69, ptr %a21
+  br label %each.cond2541
+each.end2544:
+  %t70 = load ptr, ptr %a1
+  %t71 = icmp eq ptr %t70, null
+  br i1 %t71, label %panic2563, label %ok2564
+panic2563:
+  call void @finch_panic(ptr @.str.1453, i64 707, ptr @.str.1454)
   unreachable
-ok2507:
-  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 2
-  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i32 0, i32 1
-  %t72 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.1450, i64 34, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t78 = load i64, ptr %t77
-  %t79 = add i64 %t78, 1
-  call void @finch_str_from_int(ptr %a80, i64 %t79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t76, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.1451, i64 9, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1452, i64 0, i64 0 }, ptr %a91
-  call void @finch_str_join(ptr %a92, ptr %a19, ptr %a91)
-  %t93 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t89, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.1453, i64 4, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load i64, ptr %t71
-  %t103 = add i64 %t102, 1
-  call void @finch_arr_reserve(ptr %t70, i64 %t103, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t104 = load ptr, ptr %t70
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 %t102
-  store { ptr, i64, i64 } %t101, ptr %t105
-  store i64 %t103, ptr %t71
-  %t106 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t106, ptr %a107
-  call void @finch_str_copy(ptr %a108, ptr %a107)
-  %t109 = load { ptr, i64, i64 }, ptr %a108
-  ret { ptr, i64, i64 } %t109
+ok2564:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 2
+  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i32 0, i32 1
+  %t74 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.1455, i64 34, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a75
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t80 = load i64, ptr %t79
+  %t81 = add i64 %t80, 1
+  call void @finch_str_from_int(ptr %a82, i64 %t81)
+  %t83 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t78, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t78, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  store { ptr, i64, i64 } %t83, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a84
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.1456, i64 9, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1457, i64 0, i64 0 }, ptr %a96
+  call void @finch_str_join(ptr %a97, ptr %a20, ptr %a96)
+  %t98 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t94, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t94, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  store { ptr, i64, i64 } %t98, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.1458, i64 4, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = load i64, ptr %t73
+  %t111 = add i64 %t110, 1
+  call void @finch_arr_reserve(ptr %t72, i64 %t111, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t112 = load ptr, ptr %t72
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 %t110
+  store { ptr, i64, i64 } %t109, ptr %t113
+  store i64 %t111, ptr %t73
+  %t114 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.drop.arr_str(ptr %a20)
+  ret { ptr, i64, i64 } %t114
 }
 
 define internal %S.gen.Val @finch.gen.strConst(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -24569,13 +27532,17 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -24583,31 +27550,40 @@ entry:
   %t5 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t3, { ptr, i64, i64 } %t4)
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.1454, i64 6, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.1459, i64 6, i64 0 }, ptr %a9
   store { ptr, i64, i64 } %t7, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
   %t11 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t11, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.1455, i64 6, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1460, i64 6, i64 0 }, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t17 = load i64, ptr %t16
-  call void @finch_str_from_int(ptr %a18, i64 %t17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t15, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1456, i64 9, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t27, 0
-  %t29 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1457, i64 3, i64 0 })
-  %t30 = insertvalue %S.gen.Val %t28, %S.ast.Type %t29, 1
-  %t31 = insertvalue %S.gen.Val %t30, i1 true, 2
-  ret %S.gen.Val %t31
+  store { ptr, i64, i64 } %t11, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = load { ptr, i64, i64 }, ptr %a12
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  call void @finch_str_from_int(ptr %a19, i64 %t18)
+  %t20 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t16, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  store { ptr, i64, i64 } %t16, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  store { ptr, i64, i64 } %t20, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.1461, i64 9, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t31, 0
+  %t33 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1462, i64 3, i64 0 })
+  %t34 = insertvalue %S.gen.Val %t32, %S.ast.Type %t33, 1
+  %t35 = insertvalue %S.gen.Val %t34, i1 true, 2
+  call void @finch_str_drop(ptr %a6)
+  ret %S.gen.Val %t35
 }
 
 define internal void @finch.gen.panicIf(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, %S.ast.Node %p3) {
@@ -24626,28 +27602,35 @@ entry:
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Node %p3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1458, i64 5, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1463, i64 5, i64 0 })
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load ptr, ptr %a1
-  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1459, i64 2, i64 0 })
+  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1464, i64 2, i64 0 })
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
   %t12 = load { ptr, i64, i64 }, ptr %a2
@@ -24660,22 +27643,22 @@ entry:
   %t17 = load ptr, ptr %a1
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic2508, label %ok2509
-panic2508:
-  call void @finch_panic(ptr @.str.1460, i64 703, ptr @.str.1461)
+  br i1 %t19, label %panic2565, label %ok2566
+panic2565:
+  call void @finch_panic(ptr @.str.1465, i64 723, ptr @.str.1466)
   unreachable
-ok2509:
+ok2566:
   %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 13
   %t22 = load i64, ptr %t21
   %t23 = load { ptr, i64, i64 }, ptr %t20
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 %t22, %t24
-  br i1 %t25, label %range2510, label %inrange2511
-range2510:
-  call void @finch_panic_index(ptr @.str.1462, i64 703, i64 %t22, i64 %t24)
+  br i1 %t25, label %range2567, label %inrange2568
+range2567:
+  call void @finch_panic_index(ptr @.str.1467, i64 723, i64 %t22, i64 %t24)
   unreachable
-inrange2511:
+inrange2568:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i64 %t22
   %t28 = load { ptr, i64, i64 }, ptr %t27
@@ -24687,50 +27670,68 @@ inrange2511:
   store { ptr, i64, i64 } %t33, ptr %a34
   %t35 = load ptr, ptr %a1
   %t36 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.1463, i64 27, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.1468, i64 27, i64 0 }, ptr %a38
   store { ptr, i64, i64 } %t36, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
   %t40 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t40, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.1464, i64 6, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.1469, i64 6, i64 0 }, ptr %a43
   call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  %t45 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
-  %t46 = load i64, ptr %t45
-  call void @finch_str_from_int(ptr %a47, i64 %t46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t44, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.1465, i64 6, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t56, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t61, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1466, i64 1, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
+  %t47 = load i64, ptr %t46
+  call void @finch_str_from_int(ptr %a48, i64 %t47)
+  %t49 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } %t45, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t45, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.1470, i64 6, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load { ptr, i64, i64 }, ptr %a34
+  store { ptr, i64, i64 } %t60, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
   call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.emit(ptr %t35, { ptr, i64, i64 } %t65)
-  %t66 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t66, { ptr, i64, i64 } { ptr @.str.1467, i64 11, i64 0 })
-  %t67 = load ptr, ptr %a1
-  %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic2512, label %ok2513
-panic2512:
-  call void @finch_panic(ptr @.str.1468, i64 707, ptr @.str.1469)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1471, i64 1, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  call void @finch.gen.emit(ptr %t35, { ptr, i64, i64 } %t71)
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t73, { ptr, i64, i64 } { ptr @.str.1472, i64 11, i64 0 })
+  %t74 = load ptr, ptr %a1
+  %t75 = icmp eq ptr %t74, null
+  br i1 %t75, label %panic2569, label %ok2570
+panic2569:
+  call void @finch_panic(ptr @.str.1473, i64 727, ptr @.str.1474)
   unreachable
-ok2513:
-  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 9
-  store i1 true, ptr %t69
-  %t70 = load ptr, ptr %a1
-  %t71 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.label(ptr %t70, { ptr, i64, i64 } %t71)
+ok2570:
+  %t76 = getelementptr inbounds %S.gen.Gen, ptr %t74, i32 0, i32 9
+  store i1 true, ptr %t76
+  %t77 = load ptr, ptr %a1
+  %t78 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.label(ptr %t77, { ptr, i64, i64 } %t78)
+  call void @finch_str_drop(ptr %a34)
+  call void @finch_str_drop(ptr %a30)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a7)
   ret void
 }
 
@@ -24748,164 +27749,190 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Node %p3, ptr %a4
   %t5 = load ptr, ptr %a1
-  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1470, i64 5, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t5, { ptr, i64, i64 } { ptr @.str.1475, i64 5, i64 0 })
   store { ptr, i64, i64 } %t6, ptr %a7
   %t8 = load ptr, ptr %a1
-  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1471, i64 7, i64 0 })
+  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1476, i64 7, i64 0 })
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
   %t12 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1472, i64 13, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1477, i64 13, i64 0 }, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
   %t16 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t16, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1473, i64 2, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1478, i64 2, i64 0 }, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  %t21 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  %t22 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = call { ptr, i64, i64 } @finch.gen.op(ptr %t11, { ptr, i64, i64 } %t25)
-  store { ptr, i64, i64 } %t26, ptr %a27
-  %t28 = load ptr, ptr %a1
-  %t29 = load { ptr, i64, i64 }, ptr %a27
-  %t30 = load { ptr, i64, i64 }, ptr %a7
-  %t31 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.condBr(ptr %t28, { ptr, i64, i64 } %t29, { ptr, i64, i64 } %t30, { ptr, i64, i64 } %t31)
-  %t32 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t21, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  %t28 = call { ptr, i64, i64 } @finch.gen.op(ptr %t11, { ptr, i64, i64 } %t27)
+  store { ptr, i64, i64 } %t27, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a30
+  %t31 = load ptr, ptr %a1
+  %t32 = load { ptr, i64, i64 }, ptr %a30
   %t33 = load { ptr, i64, i64 }, ptr %a7
-  call void @finch.gen.label(ptr %t32, { ptr, i64, i64 } %t33)
-  %t34 = load ptr, ptr %a1
+  %t34 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.condBr(ptr %t31, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33, { ptr, i64, i64 } %t34)
   %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic2514, label %ok2515
-panic2514:
-  call void @finch_panic(ptr @.str.1474, i64 717, ptr @.str.1475)
+  %t36 = load { ptr, i64, i64 }, ptr %a7
+  call void @finch.gen.label(ptr %t35, { ptr, i64, i64 } %t36)
+  %t37 = load ptr, ptr %a1
+  %t38 = load ptr, ptr %a1
+  %t39 = icmp eq ptr %t38, null
+  br i1 %t39, label %panic2571, label %ok2572
+panic2571:
+  call void @finch_panic(ptr @.str.1479, i64 737, ptr @.str.1480)
   unreachable
-ok2515:
-  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 1
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 13
-  %t39 = load i64, ptr %t38
-  %t40 = load { ptr, i64, i64 }, ptr %t37
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = icmp uge i64 %t39, %t41
-  br i1 %t42, label %range2516, label %inrange2517
-range2516:
-  call void @finch_panic_index(ptr @.str.1476, i64 717, i64 %t39, i64 %t41)
+ok2572:
+  %t40 = getelementptr inbounds %S.gen.Gen, ptr %t38, i32 0, i32 1
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 13
+  %t42 = load i64, ptr %t41
+  %t43 = load { ptr, i64, i64 }, ptr %t40
+  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
+  %t45 = icmp uge i64 %t42, %t44
+  br i1 %t45, label %range2573, label %inrange2574
+range2573:
+  call void @finch_panic_index(ptr @.str.1481, i64 737, i64 %t42, i64 %t44)
   unreachable
-inrange2517:
-  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t39
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t34, { ptr, i64, i64 } %t45)
-  store { ptr, i64, i64 } %t46, ptr %a47
-  %t48 = load ptr, ptr %a1
-  %t49 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.1477, i64 33, i64 0 }, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t53, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.1478, i64 6, i64 0 }, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
-  %t59 = load i64, ptr %t58
-  call void @finch_str_from_int(ptr %a60, i64 %t59)
-  %t61 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t57, ptr %a63
-  store { ptr, i64, i64 } %t61, ptr %a64
-  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  store { ptr, i64, i64 } %t65, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.1479, i64 6, i64 0 }, ptr %a68
+inrange2574:
+  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
+  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t42
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  %t49 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t37, { ptr, i64, i64 } %t48)
+  store { ptr, i64, i64 } %t49, ptr %a50
+  %t51 = load ptr, ptr %a1
+  %t52 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.1482, i64 33, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } %t52, ptr %a55
+  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a53
+  store { ptr, i64, i64 } %t56, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.1483, i64 6, i64 0 }, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = getelementptr inbounds %S.ast.Node, ptr %a4, i32 0, i32 11
+  %t63 = load i64, ptr %t62
+  call void @finch_str_from_int(ptr %a64, i64 %t63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t61, ptr %a67
+  store { ptr, i64, i64 } %t65, ptr %a68
   call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  %t70 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t69, ptr %a72
-  store { ptr, i64, i64 } %t70, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t74, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.1480, i64 6, i64 0 }, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t78, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.1481, i64 1, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  call void @finch.gen.emit(ptr %t48, { ptr, i64, i64 } %t87)
-  %t88 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t88, { ptr, i64, i64 } { ptr @.str.1482, i64 11, i64 0 })
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic2518, label %ok2519
-panic2518:
-  call void @finch_panic(ptr @.str.1483, i64 720, ptr @.str.1484)
+  store { ptr, i64, i64 } %t61, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  store { ptr, i64, i64 } %t65, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a66
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.1484, i64 6, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  %t77 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t76, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t76, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t82, ptr %a84
+  store { ptr, i64, i64 } { ptr @.str.1485, i64 6, i64 0 }, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t82, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  %t88 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t87, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t87, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t93, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.1486, i64 1, i64 0 }, ptr %a96
+  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  call void @finch.gen.emit(ptr %t51, { ptr, i64, i64 } %t98)
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t100, { ptr, i64, i64 } { ptr @.str.1487, i64 11, i64 0 })
+  %t101 = load ptr, ptr %a1
+  %t102 = icmp eq ptr %t101, null
+  br i1 %t102, label %panic2575, label %ok2576
+panic2575:
+  call void @finch_panic(ptr @.str.1488, i64 740, ptr @.str.1489)
   unreachable
-ok2519:
-  %t91 = getelementptr inbounds %S.gen.Gen, ptr %t89, i32 0, i32 9
-  store i1 true, ptr %t91
-  %t92 = load ptr, ptr %a1
-  %t93 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.label(ptr %t92, { ptr, i64, i64 } %t93)
-  ret void
-}
-
-define internal void @finch.copy.S_gen_Saved(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Saved, ptr %src
-  store %S.gen.Saved %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Saved, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Saved, ptr %src, i32 0, i32 0
-  call void @finch.copy.arr_str(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Saved, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Saved, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_str(ptr %t4, ptr %t5)
+ok2576:
+  %t103 = getelementptr inbounds %S.gen.Gen, ptr %t101, i32 0, i32 9
+  store i1 true, ptr %t103
+  %t104 = load ptr, ptr %a1
+  %t105 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.label(ptr %t104, { ptr, i64, i64 } %t105)
+  call void @finch_str_drop(ptr %a50)
+  call void @finch_str_drop(ptr %a30)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a7)
   ret void
 }
 
@@ -24920,18 +27947,18 @@ entry:
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca %S.gen.Saved, align 16
-  %a60 = alloca %S.gen.Saved, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic2520, label %ok2521
-panic2520:
-  call void @finch_panic(ptr @.str.1485, i64 735, ptr @.str.1486)
+  br i1 %t3, label %panic2577, label %ok2578
+panic2577:
+  call void @finch_panic(ptr @.str.1490, i64 755, ptr @.str.1491)
   unreachable
-ok2521:
+ok2578:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 4
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
@@ -24940,11 +27967,11 @@ ok2521:
   %t9 = insertvalue %S.gen.Saved zeroinitializer, { ptr, i64, i64 } %t8, 0
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic2522, label %ok2523
-panic2522:
-  call void @finch_panic(ptr @.str.1487, i64 735, ptr @.str.1488)
+  br i1 %t11, label %panic2579, label %ok2580
+panic2579:
+  call void @finch_panic(ptr @.str.1492, i64 755, ptr @.str.1493)
   unreachable
-ok2523:
+ok2580:
   %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 5
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
@@ -24953,94 +27980,98 @@ ok2523:
   %t17 = insertvalue %S.gen.Saved %t9, { ptr, i64, i64 } %t16, 1
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic2524, label %ok2525
-panic2524:
-  call void @finch_panic(ptr @.str.1489, i64 735, ptr @.str.1490)
+  br i1 %t19, label %panic2581, label %ok2582
+panic2581:
+  call void @finch_panic(ptr @.str.1494, i64 755, ptr @.str.1495)
   unreachable
-ok2525:
+ok2582:
   %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 6
   %t21 = load i64, ptr %t20
   %t22 = insertvalue %S.gen.Saved %t17, i64 %t21, 2
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic2526, label %ok2527
-panic2526:
-  call void @finch_panic(ptr @.str.1491, i64 735, ptr @.str.1492)
+  br i1 %t24, label %panic2583, label %ok2584
+panic2583:
+  call void @finch_panic(ptr @.str.1496, i64 755, ptr @.str.1497)
   unreachable
-ok2527:
+ok2584:
   %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 9
   %t26 = load i1, ptr %t25
   %t27 = insertvalue %S.gen.Saved %t22, i1 %t26, 3
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2528, label %ok2529
-panic2528:
-  call void @finch_panic(ptr @.str.1493, i64 735, ptr @.str.1494)
+  br i1 %t29, label %panic2585, label %ok2586
+panic2585:
+  call void @finch_panic(ptr @.str.1498, i64 755, ptr @.str.1499)
   unreachable
-ok2529:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 34
+ok2586:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 35
   %t31 = load i64, ptr %t30
   %t32 = insertvalue %S.gen.Saved %t27, i64 %t31, 4
   store %S.gen.Saved %t32, ptr %a33
   %t34 = load ptr, ptr %a1
   %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic2530, label %ok2531
-panic2530:
-  call void @finch_panic(ptr @.str.1495, i64 736, ptr @.str.1496)
+  br i1 %t35, label %panic2587, label %ok2588
+panic2587:
+  call void @finch_panic(ptr @.str.1500, i64 756, ptr @.str.1501)
   unreachable
-ok2531:
-  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 34
+ok2588:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 35
   store i64 -1, ptr %t36
   store { ptr, i64, i64 } zeroinitializer, ptr %a37
   %t38 = load { ptr, i64, i64 }, ptr %a37
   %t39 = load ptr, ptr %a1
   %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic2532, label %ok2533
-panic2532:
-  call void @finch_panic(ptr @.str.1497, i64 738, ptr @.str.1498)
+  br i1 %t40, label %panic2589, label %ok2590
+panic2589:
+  call void @finch_panic(ptr @.str.1502, i64 758, ptr @.str.1503)
   unreachable
-ok2533:
+ok2590:
   %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 4
   store { ptr, i64, i64 } %t38, ptr %a42
   call void @finch.copy.arr_str(ptr %a43, ptr %a42)
   %t44 = load { ptr, i64, i64 }, ptr %a43
+  %t45 = load { ptr, i64, i64 }, ptr %t41
   store { ptr, i64, i64 } %t44, ptr %t41
-  %t45 = load { ptr, i64, i64 }, ptr %a37
-  %t46 = load ptr, ptr %a1
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic2534, label %ok2535
-panic2534:
-  call void @finch_panic(ptr @.str.1499, i64 739, ptr @.str.1500)
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch.drop.arr_str(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a37
+  %t48 = load ptr, ptr %a1
+  %t49 = icmp eq ptr %t48, null
+  br i1 %t49, label %panic2591, label %ok2592
+panic2591:
+  call void @finch_panic(ptr @.str.1504, i64 759, ptr @.str.1505)
   unreachable
-ok2535:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 5
-  store { ptr, i64, i64 } %t45, ptr %a49
-  call void @finch.copy.arr_str(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t51, ptr %t48
-  %t52 = load ptr, ptr %a1
-  %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic2536, label %ok2537
-panic2536:
-  call void @finch_panic(ptr @.str.1501, i64 740, ptr @.str.1502)
+ok2592:
+  %t50 = getelementptr inbounds %S.gen.Gen, ptr %t48, i32 0, i32 5
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch.copy.arr_str(ptr %a52, ptr %a51)
+  %t53 = load { ptr, i64, i64 }, ptr %a52
+  %t54 = load { ptr, i64, i64 }, ptr %t50
+  store { ptr, i64, i64 } %t53, ptr %t50
+  store { ptr, i64, i64 } %t54, ptr %a55
+  call void @finch.drop.arr_str(ptr %a55)
+  %t56 = load ptr, ptr %a1
+  %t57 = icmp eq ptr %t56, null
+  br i1 %t57, label %panic2593, label %ok2594
+panic2593:
+  call void @finch_panic(ptr @.str.1506, i64 760, ptr @.str.1507)
   unreachable
-ok2537:
-  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 6
-  store i64 0, ptr %t54
-  %t55 = load ptr, ptr %a1
-  %t56 = icmp eq ptr %t55, null
-  br i1 %t56, label %panic2538, label %ok2539
-panic2538:
-  call void @finch_panic(ptr @.str.1503, i64 741, ptr @.str.1504)
+ok2594:
+  %t58 = getelementptr inbounds %S.gen.Gen, ptr %t56, i32 0, i32 6
+  store i64 0, ptr %t58
+  %t59 = load ptr, ptr %a1
+  %t60 = icmp eq ptr %t59, null
+  br i1 %t60, label %panic2595, label %ok2596
+panic2595:
+  call void @finch_panic(ptr @.str.1508, i64 761, ptr @.str.1509)
   unreachable
-ok2539:
-  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 9
-  store i1 false, ptr %t57
-  %t58 = load %S.gen.Saved, ptr %a33
-  store %S.gen.Saved %t58, ptr %a59
-  call void @finch.copy.S_gen_Saved(ptr %a60, ptr %a59)
-  %t61 = load %S.gen.Saved, ptr %a60
-  ret %S.gen.Saved %t61
+ok2596:
+  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 9
+  store i1 false, ptr %t61
+  %t62 = load %S.gen.Saved, ptr %a33
+  call void @finch.drop.arr_str(ptr %a37)
+  ret %S.gen.Saved %t62
 }
 
 define internal void @finch.gen.endHelper(ptr %p0, %S.gen.Saved %p1, { ptr, i64, i64 } %p2) {
@@ -25056,146 +28087,172 @@ entry:
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.Saved %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2540, label %ok2541
-panic2540:
-  call void @finch_panic(ptr @.str.1505, i64 746, ptr @.str.1506)
+  br i1 %t5, label %panic2597, label %ok2598
+panic2597:
+  call void @finch_panic(ptr @.str.1510, i64 766, ptr @.str.1511)
   unreachable
-ok2541:
+ok2598:
   %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 3
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1507, i64 10, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1512, i64 10, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic2542, label %ok2543
-panic2542:
-  call void @finch_panic(ptr @.str.1508, i64 746, ptr @.str.1509)
+  br i1 %t14, label %panic2599, label %ok2600
+panic2599:
+  call void @finch_panic(ptr @.str.1513, i64 766, ptr @.str.1514)
   unreachable
-ok2543:
+ok2600:
   %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 5
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1510, i64 1, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1515, i64 1, i64 0 }, ptr %a17
   call void @finch_str_join(ptr %a18, ptr %t15, ptr %a17)
   %t19 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t12, ptr %a21
   store { ptr, i64, i64 } %t19, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1511, i64 1, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = load ptr, ptr %a1
-  %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2544, label %ok2545
-panic2544:
-  call void @finch_panic(ptr @.str.1512, i64 746, ptr @.str.1513)
+  store { ptr, i64, i64 } %t12, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  store { ptr, i64, i64 } %t19, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a20
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1516, i64 1, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  %t31 = load ptr, ptr %a1
+  %t32 = icmp eq ptr %t31, null
+  br i1 %t32, label %panic2601, label %ok2602
+panic2601:
+  call void @finch_panic(ptr @.str.1517, i64 766, ptr @.str.1518)
   unreachable
-ok2545:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 4
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1514, i64 1, i64 0 }, ptr %a32
-  call void @finch_str_join(ptr %a33, ptr %t30, ptr %a32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t27, ptr %a36
-  store { ptr, i64, i64 } %t34, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.1515, i64 3, i64 0 }, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load i64, ptr %t7
-  %t44 = add i64 %t43, 1
-  call void @finch_arr_reserve(ptr %t6, i64 %t44, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t45 = load ptr, ptr %t6
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t43
-  store { ptr, i64, i64 } %t42, ptr %t46
-  store i64 %t44, ptr %t7
-  %t47 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 0
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic2546, label %ok2547
-panic2546:
-  call void @finch_panic(ptr @.str.1516, i64 747, ptr @.str.1517)
+ok2602:
+  %t33 = getelementptr inbounds %S.gen.Gen, ptr %t31, i32 0, i32 4
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1519, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_join(ptr %a36, ptr %t33, ptr %a35)
+  %t37 = load { ptr, i64, i64 }, ptr %a36
+  store { ptr, i64, i64 } %t30, ptr %a39
+  store { ptr, i64, i64 } %t37, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t30, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  store { ptr, i64, i64 } %t37, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } %t43, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.1520, i64 3, i64 0 }, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  store { ptr, i64, i64 } %t43, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a44
+  %t49 = load i64, ptr %t7
+  %t50 = add i64 %t49, 1
+  call void @finch_arr_reserve(ptr %t6, i64 %t50, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t51 = load ptr, ptr %t6
+  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i64 %t49
+  store { ptr, i64, i64 } %t48, ptr %t52
+  store i64 %t50, ptr %t7
+  %t53 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 0
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  %t55 = load ptr, ptr %a1
+  %t56 = icmp eq ptr %t55, null
+  br i1 %t56, label %panic2603, label %ok2604
+panic2603:
+  call void @finch_panic(ptr @.str.1521, i64 767, ptr @.str.1522)
   unreachable
-ok2547:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 4
-  store { ptr, i64, i64 } %t48, ptr %a52
-  call void @finch.copy.arr_str(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t54, ptr %t51
-  %t55 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 1
-  %t56 = load { ptr, i64, i64 }, ptr %t55
-  %t57 = load ptr, ptr %a1
-  %t58 = icmp eq ptr %t57, null
-  br i1 %t58, label %panic2548, label %ok2549
-panic2548:
-  call void @finch_panic(ptr @.str.1518, i64 748, ptr @.str.1519)
-  unreachable
-ok2549:
-  %t59 = getelementptr inbounds %S.gen.Gen, ptr %t57, i32 0, i32 5
-  store { ptr, i64, i64 } %t56, ptr %a60
-  call void @finch.copy.arr_str(ptr %a61, ptr %a60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  store { ptr, i64, i64 } %t62, ptr %t59
-  %t63 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 2
-  %t64 = load i64, ptr %t63
+ok2604:
+  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 4
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch.copy.arr_str(ptr %a59, ptr %a58)
+  %t60 = load { ptr, i64, i64 }, ptr %a59
+  %t61 = load { ptr, i64, i64 }, ptr %t57
+  store { ptr, i64, i64 } %t60, ptr %t57
+  store { ptr, i64, i64 } %t61, ptr %a62
+  call void @finch.drop.arr_str(ptr %a62)
+  %t63 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 1
+  %t64 = load { ptr, i64, i64 }, ptr %t63
   %t65 = load ptr, ptr %a1
   %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic2550, label %ok2551
-panic2550:
-  call void @finch_panic(ptr @.str.1520, i64 749, ptr @.str.1521)
+  br i1 %t66, label %panic2605, label %ok2606
+panic2605:
+  call void @finch_panic(ptr @.str.1523, i64 768, ptr @.str.1524)
   unreachable
-ok2551:
-  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 6
-  store i64 %t64, ptr %t67
-  %t68 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 3
-  %t69 = load i1, ptr %t68
-  %t70 = load ptr, ptr %a1
-  %t71 = icmp eq ptr %t70, null
-  br i1 %t71, label %panic2552, label %ok2553
-panic2552:
-  call void @finch_panic(ptr @.str.1522, i64 750, ptr @.str.1523)
-  unreachable
-ok2553:
-  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 9
-  store i1 %t69, ptr %t72
-  %t73 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 4
+ok2606:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 5
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch.copy.arr_str(ptr %a69, ptr %a68)
+  %t70 = load { ptr, i64, i64 }, ptr %a69
+  %t71 = load { ptr, i64, i64 }, ptr %t67
+  store { ptr, i64, i64 } %t70, ptr %t67
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch.drop.arr_str(ptr %a72)
+  %t73 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 2
   %t74 = load i64, ptr %t73
   %t75 = load ptr, ptr %a1
   %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic2554, label %ok2555
-panic2554:
-  call void @finch_panic(ptr @.str.1524, i64 751, ptr @.str.1525)
+  br i1 %t76, label %panic2607, label %ok2608
+panic2607:
+  call void @finch_panic(ptr @.str.1525, i64 769, ptr @.str.1526)
   unreachable
-ok2555:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 34
+ok2608:
+  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 6
   store i64 %t74, ptr %t77
+  %t78 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 3
+  %t79 = load i1, ptr %t78
+  %t80 = load ptr, ptr %a1
+  %t81 = icmp eq ptr %t80, null
+  br i1 %t81, label %panic2609, label %ok2610
+panic2609:
+  call void @finch_panic(ptr @.str.1527, i64 770, ptr @.str.1528)
+  unreachable
+ok2610:
+  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 9
+  store i1 %t79, ptr %t82
+  %t83 = getelementptr inbounds %S.gen.Saved, ptr %a2, i32 0, i32 4
+  %t84 = load i64, ptr %t83
+  %t85 = load ptr, ptr %a1
+  %t86 = icmp eq ptr %t85, null
+  br i1 %t86, label %panic2611, label %ok2612
+panic2611:
+  call void @finch_panic(ptr @.str.1529, i64 771, ptr @.str.1530)
+  unreachable
+ok2612:
+  %t87 = getelementptr inbounds %S.gen.Gen, ptr %t85, i32 0, i32 35
+  store i64 %t84, ptr %t87
   ret void
 }
 
@@ -25214,34 +28271,37 @@ entry:
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t3, { ptr, i64, i64 } { ptr @.str.1526, i64 3, i64 0 })
+  %t4 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t3, { ptr, i64, i64 } { ptr @.str.1531, i64 3, i64 0 })
   store { ptr, i64, i64 } %t4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = load { ptr, i64, i64 }, ptr %a5
-  call void @finch.gen.store(ptr %t6, { ptr, i64, i64 } { ptr @.str.1527, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1528, i64 1, i64 0 }, { ptr, i64, i64 } %t7)
+  call void @finch.gen.store(ptr %t6, { ptr, i64, i64 } { ptr @.str.1532, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1533, i64 1, i64 0 }, { ptr, i64, i64 } %t7)
   %t8 = load ptr, ptr %a1
-  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1529, i64 6, i64 0 })
+  %t9 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t8, { ptr, i64, i64 } { ptr @.str.1534, i64 6, i64 0 })
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t11, { ptr, i64, i64 } { ptr @.str.1530, i64 6, i64 0 })
+  %t12 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t11, { ptr, i64, i64 } { ptr @.str.1535, i64 6, i64 0 })
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = load ptr, ptr %a1
-  %t15 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t14, { ptr, i64, i64 } { ptr @.str.1531, i64 5, i64 0 })
+  %t15 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t14, { ptr, i64, i64 } { ptr @.str.1536, i64 5, i64 0 })
   store { ptr, i64, i64 } %t15, ptr %a16
   %t17 = load ptr, ptr %a1
   %t18 = load { ptr, i64, i64 }, ptr %a10
@@ -25251,63 +28311,75 @@ entry:
   call void @finch.gen.label(ptr %t19, { ptr, i64, i64 } %t20)
   %t21 = load ptr, ptr %a1
   %t22 = load { ptr, i64, i64 }, ptr %a5
-  %t23 = call { ptr, i64, i64 } @finch.gen.load(ptr %t21, { ptr, i64, i64 } { ptr @.str.1532, i64 3, i64 0 }, { ptr, i64, i64 } %t22)
+  %t23 = call { ptr, i64, i64 } @finch.gen.load(ptr %t21, { ptr, i64, i64 } { ptr @.str.1537, i64 3, i64 0 }, { ptr, i64, i64 } %t22)
   store { ptr, i64, i64 } %t23, ptr %a24
   %t25 = load ptr, ptr %a1
   %t26 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.1533, i64 13, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.1538, i64 13, i64 0 }, ptr %a28
   store { ptr, i64, i64 } %t26, ptr %a29
   call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
   %t30 = load { ptr, i64, i64 }, ptr %a27
   store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.1534, i64 2, i64 0 }, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.1539, i64 2, i64 0 }, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t34, ptr %a37
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  %t36 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = call { ptr, i64, i64 } @finch.gen.op(ptr %t25, { ptr, i64, i64 } %t39)
-  store { ptr, i64, i64 } %t40, ptr %a41
-  %t42 = load ptr, ptr %a1
-  %t43 = load { ptr, i64, i64 }, ptr %a41
-  %t44 = load { ptr, i64, i64 }, ptr %a13
-  %t45 = load { ptr, i64, i64 }, ptr %a16
-  call void @finch.gen.condBr(ptr %t42, { ptr, i64, i64 } %t43, { ptr, i64, i64 } %t44, { ptr, i64, i64 } %t45)
-  %t46 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t36, ptr %a39
+  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
+  store { ptr, i64, i64 } %t35, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  %t42 = call { ptr, i64, i64 } @finch.gen.op(ptr %t25, { ptr, i64, i64 } %t41)
+  store { ptr, i64, i64 } %t41, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  store { ptr, i64, i64 } %t42, ptr %a44
+  %t45 = load ptr, ptr %a1
+  %t46 = load { ptr, i64, i64 }, ptr %a44
   %t47 = load { ptr, i64, i64 }, ptr %a13
-  call void @finch.gen.label(ptr %t46, { ptr, i64, i64 } %t47)
-  %t48 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t48, ptr %a49
-  call void @finch_str_copy(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  %t52 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t52, ptr %a53
-  call void @finch_str_copy(ptr %a54, ptr %a53)
-  %t55 = load { ptr, i64, i64 }, ptr %a54
-  %t56 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t56, ptr %a57
-  call void @finch_str_copy(ptr %a58, ptr %a57)
-  %t59 = load { ptr, i64, i64 }, ptr %a58
-  %t60 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  %t64 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t65 = call ptr @finch_alloc(i64 %t64)
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 0
-  store { ptr, i64, i64 } %t51, ptr %t66
-  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 1
-  store { ptr, i64, i64 } %t55, ptr %t67
-  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 2
-  store { ptr, i64, i64 } %t59, ptr %t68
-  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 3
-  store { ptr, i64, i64 } %t63, ptr %t69
-  %t70 = insertvalue { ptr, i64, i64 } undef, ptr %t65, 0
-  %t71 = insertvalue { ptr, i64, i64 } %t70, i64 4, 1
-  %t72 = insertvalue { ptr, i64, i64 } %t71, i64 4, 2
-  ret { ptr, i64, i64 } %t72
+  %t48 = load { ptr, i64, i64 }, ptr %a16
+  call void @finch.gen.condBr(ptr %t45, { ptr, i64, i64 } %t46, { ptr, i64, i64 } %t47, { ptr, i64, i64 } %t48)
+  %t49 = load ptr, ptr %a1
+  %t50 = load { ptr, i64, i64 }, ptr %a13
+  call void @finch.gen.label(ptr %t49, { ptr, i64, i64 } %t50)
+  %t51 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t51, ptr %a52
+  call void @finch_str_copy(ptr %a53, ptr %a52)
+  %t54 = load { ptr, i64, i64 }, ptr %a53
+  %t55 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_copy(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  %t59 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t59, ptr %a60
+  call void @finch_str_copy(ptr %a61, ptr %a60)
+  %t62 = load { ptr, i64, i64 }, ptr %a61
+  %t63 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_copy(ptr %a65, ptr %a64)
+  %t66 = load { ptr, i64, i64 }, ptr %a65
+  %t67 = mul i64 4, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t68 = call ptr @finch_alloc(i64 %t67)
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 0
+  store { ptr, i64, i64 } %t54, ptr %t69
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 1
+  store { ptr, i64, i64 } %t58, ptr %t70
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 2
+  store { ptr, i64, i64 } %t62, ptr %t71
+  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i64 3
+  store { ptr, i64, i64 } %t66, ptr %t72
+  %t73 = insertvalue { ptr, i64, i64 } undef, ptr %t68, 0
+  %t74 = insertvalue { ptr, i64, i64 } %t73, i64 4, 1
+  %t75 = insertvalue { ptr, i64, i64 } %t74, i64 4, 2
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a16)
+  call void @finch_str_drop(ptr %a13)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a5)
+  ret { ptr, i64, i64 } %t75
 }
 
 define internal void @finch.gen.loopEnd(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -25321,72 +28393,82 @@ entry:
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 0, %t5
-  br i1 %t6, label %range2556, label %inrange2557
-range2556:
-  call void @finch_panic_index(ptr @.str.1536, i64 771, i64 0, i64 %t5)
+  br i1 %t6, label %range2613, label %inrange2614
+range2613:
+  call void @finch_panic_index(ptr @.str.1541, i64 791, i64 0, i64 %t5)
   unreachable
-inrange2557:
+inrange2614:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i64 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
-  %t10 = call { ptr, i64, i64 } @finch.gen.load(ptr %t3, { ptr, i64, i64 } { ptr @.str.1535, i64 3, i64 0 }, { ptr, i64, i64 } %t9)
+  %t10 = call { ptr, i64, i64 } @finch.gen.load(ptr %t3, { ptr, i64, i64 } { ptr @.str.1540, i64 3, i64 0 }, { ptr, i64, i64 } %t9)
   store { ptr, i64, i64 } %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = load ptr, ptr %a1
   %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1538, i64 8, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1543, i64 8, i64 0 }, ptr %a16
   store { ptr, i64, i64 } %t14, ptr %a17
   call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
   %t18 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t18, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.1539, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1544, i64 3, i64 0 }, ptr %a21
   call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  %t23 = call { ptr, i64, i64 } @finch.gen.op(ptr %t13, { ptr, i64, i64 } %t22)
-  %t24 = load { ptr, i64, i64 }, ptr %a2
-  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
-  %t26 = icmp uge i64 0, %t25
-  br i1 %t26, label %range2558, label %inrange2559
-range2558:
-  call void @finch_panic_index(ptr @.str.1540, i64 772, i64 0, i64 %t25)
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a19
+  %t24 = call { ptr, i64, i64 } @finch.gen.op(ptr %t13, { ptr, i64, i64 } %t23)
+  store { ptr, i64, i64 } %t23, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a2
+  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
+  %t28 = icmp uge i64 0, %t27
+  br i1 %t28, label %range2615, label %inrange2616
+range2615:
+  call void @finch_panic_index(ptr @.str.1545, i64 792, i64 0, i64 %t27)
   unreachable
-inrange2559:
-  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i64 0
-  %t29 = load { ptr, i64, i64 }, ptr %t28
-  call void @finch.gen.store(ptr %t12, { ptr, i64, i64 } { ptr @.str.1537, i64 3, i64 0 }, { ptr, i64, i64 } %t23, { ptr, i64, i64 } %t29)
-  %t30 = load ptr, ptr %a1
-  %t31 = load { ptr, i64, i64 }, ptr %a2
-  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
-  %t33 = icmp uge i64 1, %t32
-  br i1 %t33, label %range2560, label %inrange2561
-range2560:
-  call void @finch_panic_index(ptr @.str.1541, i64 773, i64 1, i64 %t32)
+inrange2616:
+  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 0
+  %t31 = load { ptr, i64, i64 }, ptr %t30
+  call void @finch.gen.store(ptr %t12, { ptr, i64, i64 } { ptr @.str.1542, i64 3, i64 0 }, { ptr, i64, i64 } %t24, { ptr, i64, i64 } %t31)
+  store { ptr, i64, i64 } %t24, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load ptr, ptr %a1
+  %t34 = load { ptr, i64, i64 }, ptr %a2
+  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
+  %t36 = icmp uge i64 1, %t35
+  br i1 %t36, label %range2617, label %inrange2618
+range2617:
+  call void @finch_panic_index(ptr @.str.1546, i64 793, i64 1, i64 %t35)
   unreachable
-inrange2561:
-  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i64 1
-  %t36 = load { ptr, i64, i64 }, ptr %t35
-  call void @finch.gen.br(ptr %t30, { ptr, i64, i64 } %t36)
-  %t37 = load ptr, ptr %a1
-  %t38 = load { ptr, i64, i64 }, ptr %a2
-  %t39 = extractvalue { ptr, i64, i64 } %t38, 1
-  %t40 = icmp uge i64 2, %t39
-  br i1 %t40, label %range2562, label %inrange2563
-range2562:
-  call void @finch_panic_index(ptr @.str.1542, i64 774, i64 2, i64 %t39)
+inrange2618:
+  %t37 = extractvalue { ptr, i64, i64 } %t34, 0
+  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 1
+  %t39 = load { ptr, i64, i64 }, ptr %t38
+  call void @finch.gen.br(ptr %t33, { ptr, i64, i64 } %t39)
+  %t40 = load ptr, ptr %a1
+  %t41 = load { ptr, i64, i64 }, ptr %a2
+  %t42 = extractvalue { ptr, i64, i64 } %t41, 1
+  %t43 = icmp uge i64 2, %t42
+  br i1 %t43, label %range2619, label %inrange2620
+range2619:
+  call void @finch_panic_index(ptr @.str.1547, i64 794, i64 2, i64 %t42)
   unreachable
-inrange2563:
-  %t41 = extractvalue { ptr, i64, i64 } %t38, 0
-  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i64 2
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  call void @finch.gen.label(ptr %t37, { ptr, i64, i64 } %t43)
+inrange2620:
+  %t44 = extractvalue { ptr, i64, i64 } %t41, 0
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 2
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  call void @finch.gen.label(ptr %t40, { ptr, i64, i64 } %t46)
+  call void @finch_str_drop(ptr %a11)
   ret void
 }
 
@@ -25404,36 +28486,50 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -25441,132 +28537,170 @@ entry:
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.1543, i64 3, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.1548, i64 3, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp ne i32 %t9, 0
-  br i1 %t10, label %then2564, label %else2565
-then2564:
+  br i1 %t10, label %then2621, label %else2622
+then2621:
   %t11 = load ptr, ptr %a1
   %t12 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1544, i64 30, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.1549, i64 30, i64 0 }, ptr %a14
   store { ptr, i64, i64 } %t12, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
   %t16 = load { ptr, i64, i64 }, ptr %a13
   store { ptr, i64, i64 } %t16, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.1545, i64 6, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.1550, i64 6, i64 0 }, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  %t21 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  %t22 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.1546, i64 1, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  call void @finch.gen.emit(ptr %t11, { ptr, i64, i64 } %t29)
-  br label %endif2566
-else2565:
-  %t30 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.1547, i64 5, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br label %logic.from2567
-logic.from2567:
-  br i1 %t35, label %logic.end2569, label %logic.rhs2568
-logic.rhs2568:
-  %t36 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
-  %t37 = load { ptr, i64, i64 }, ptr %t36
-  store { ptr, i64, i64 } %t37, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.1548, i64 3, i64 0 }, ptr %a39
-  %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
-  %t41 = icmp ne i32 %t40, 0
-  br label %logic.rend2570
-logic.rend2570:
-  br label %logic.end2569
-logic.end2569:
-  %t42 = phi i1 [ true, %logic.from2567 ], [ %t41, %logic.rend2570 ]
-  br label %logic.from2571
-logic.from2571:
-  br i1 %t42, label %logic.end2573, label %logic.rhs2572
-logic.rhs2572:
-  %t43 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.1549, i64 6, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br label %logic.from2574
-logic.from2574:
-  br i1 %t48, label %logic.rhs2575, label %logic.end2576
-logic.rhs2575:
-  %t49 = load ptr, ptr %a1
-  %t50 = load %S.ast.Type, ptr %a4
-  %t51 = call i1 @finch.gen.owning(ptr %t49, %S.ast.Type %t50)
-  br label %logic.rend2577
-logic.rend2577:
-  br label %logic.end2576
-logic.end2576:
-  %t52 = phi i1 [ false, %logic.from2574 ], [ %t51, %logic.rend2577 ]
-  br label %logic.rend2578
-logic.rend2578:
-  br label %logic.end2573
-logic.end2573:
-  %t53 = phi i1 [ true, %logic.from2571 ], [ %t52, %logic.rend2578 ]
-  br i1 %t53, label %then2579, label %else2580
-then2579:
-  %t54 = load ptr, ptr %a1
-  %t55 = load ptr, ptr %a1
-  %t56 = load %S.ast.Type, ptr %a4
-  %t57 = call { ptr, i64, i64 } @finch.gen.copyFn(ptr %t55, %S.ast.Type %t56)
-  store { ptr, i64, i64 } { ptr @.str.1550, i64 10, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t61, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1551, i64 5, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t21, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t27, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.1551, i64 1, i64 0 }, ptr %a30
+  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
+  store { ptr, i64, i64 } %t27, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  call void @finch.gen.emit(ptr %t11, { ptr, i64, i64 } %t32)
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  br label %endif2623
+else2622:
+  %t34 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.1552, i64 5, i64 0 }, ptr %a37
+  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
+  %t39 = icmp ne i32 %t38, 0
+  br label %logic.from2624
+logic.from2624:
+  br i1 %t39, label %logic.end2626, label %logic.rhs2625
+logic.rhs2625:
+  %t40 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1553, i64 3, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br label %logic.rend2627
+logic.rend2627:
+  br label %logic.end2626
+logic.end2626:
+  %t46 = phi i1 [ true, %logic.from2624 ], [ %t45, %logic.rend2627 ]
+  br label %logic.from2628
+logic.from2628:
+  br i1 %t46, label %logic.end2630, label %logic.rhs2629
+logic.rhs2629:
+  %t47 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  store { ptr, i64, i64 } %t48, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.1554, i64 6, i64 0 }, ptr %a50
+  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
+  %t52 = icmp ne i32 %t51, 0
+  br label %logic.from2631
+logic.from2631:
+  br i1 %t52, label %logic.rhs2632, label %logic.end2633
+logic.rhs2632:
+  %t53 = load ptr, ptr %a1
+  %t54 = load %S.ast.Type, ptr %a4
+  %t55 = call i1 @finch.gen.owning(ptr %t53, %S.ast.Type %t54)
+  br label %logic.rend2634
+logic.rend2634:
+  br label %logic.end2633
+logic.end2633:
+  %t56 = phi i1 [ false, %logic.from2631 ], [ %t55, %logic.rend2634 ]
+  br label %logic.rend2635
+logic.rend2635:
+  br label %logic.end2630
+logic.end2630:
+  %t57 = phi i1 [ true, %logic.from2628 ], [ %t56, %logic.rend2635 ]
+  br i1 %t57, label %then2636, label %else2637
+then2636:
+  %t58 = load ptr, ptr %a1
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Type, ptr %a4
+  %t61 = call { ptr, i64, i64 } @finch.gen.copyFn(ptr %t59, %S.ast.Type %t60)
+  store { ptr, i64, i64 } { ptr @.str.1555, i64 10, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
   call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  %t66 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t65, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1556, i64 5, i64 0 }, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.1552, i64 6, i64 0 }, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t74, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.1553, i64 1, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  call void @finch.gen.emit(ptr %t54, { ptr, i64, i64 } %t83)
-  br label %endif2581
-else2580:
-  %t84 = load ptr, ptr %a1
-  %t85 = load ptr, ptr %a1
-  %t86 = load %S.ast.Type, ptr %a4
-  %t87 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t85, %S.ast.Type %t86)
-  %t88 = load ptr, ptr %a1
-  %t89 = load ptr, ptr %a1
-  %t90 = load %S.ast.Type, ptr %a4
-  %t91 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t89, %S.ast.Type %t90)
-  %t92 = load { ptr, i64, i64 }, ptr %a3
-  %t93 = call { ptr, i64, i64 } @finch.gen.load(ptr %t88, { ptr, i64, i64 } %t91, { ptr, i64, i64 } %t92)
-  %t94 = load { ptr, i64, i64 }, ptr %a2
-  call void @finch.gen.store(ptr %t84, { ptr, i64, i64 } %t87, { ptr, i64, i64 } %t93, { ptr, i64, i64 } %t94)
-  br label %endif2581
-endif2581:
-  br label %endif2566
-endif2566:
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t71, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.1557, i64 6, i64 0 }, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t82, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.1558, i64 1, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.emit(ptr %t58, { ptr, i64, i64 } %t93)
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  br label %endif2638
+else2637:
+  %t95 = load ptr, ptr %a1
+  %t96 = load ptr, ptr %a1
+  %t97 = load %S.ast.Type, ptr %a4
+  %t98 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t96, %S.ast.Type %t97)
+  %t99 = load ptr, ptr %a1
+  %t100 = load ptr, ptr %a1
+  %t101 = load %S.ast.Type, ptr %a4
+  %t102 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t100, %S.ast.Type %t101)
+  %t103 = load { ptr, i64, i64 }, ptr %a3
+  %t104 = call { ptr, i64, i64 } @finch.gen.load(ptr %t99, { ptr, i64, i64 } %t102, { ptr, i64, i64 } %t103)
+  store { ptr, i64, i64 } %t102, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a2
+  call void @finch.gen.store(ptr %t95, { ptr, i64, i64 } %t98, { ptr, i64, i64 } %t104, { ptr, i64, i64 } %t106)
+  store { ptr, i64, i64 } %t98, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  br label %endif2638
+endif2638:
+  br label %endif2623
+endif2623:
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Saved(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Saved, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Saved, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
   ret void
 }
 
@@ -25577,719 +28711,884 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca %S.gen.Saved, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca %S.ast.Type, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.ast.Type, align 16
+  %a47 = alloca %S.ast.Type, align 16
   %a49 = alloca %S.ast.Type, align 16
-  %a51 = alloca %S.ast.Type, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
   %a268 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca %S.gen.StructDef, align 16
-  %a330 = alloca %S.gen.StructDef, align 16
-  %a332 = alloca %S.gen.StructDef, align 16
-  %a336 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca i64, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca %S.gen.StructDef, align 16
+  %a365 = alloca %S.gen.StructDef, align 16
+  %a367 = alloca %S.gen.StructDef, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca i64, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
   %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a430 = alloca { ptr, i64, i64 }, align 16
   %a431 = alloca { ptr, i64, i64 }, align 16
   %a432 = alloca { ptr, i64, i64 }, align 16
   %a433 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load %S.ast.Type, ptr %a2
   %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
-  store { ptr, i64, i64 } { ptr @.str.1554, i64 12, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1559, i64 12, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
-  %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic2582, label %ok2583
-panic2582:
-  call void @finch_panic(ptr @.str.1555, i64 789, ptr @.str.1556)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic2639, label %ok2640
+panic2639:
+  call void @finch_panic(ptr @.str.1560, i64 809, ptr @.str.1561)
   unreachable
-ok2583:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 21
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  %t14 = load { ptr, i64, i64 }, ptr %a9
-  %t15 = call i1 @finch.gen.has({ ptr, i64, i64 } %t13, { ptr, i64, i64 } %t14)
-  br i1 %t15, label %then2584, label %endif2586
-then2584:
-  %t16 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  ret { ptr, i64, i64 } %t19
-endif2586:
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic2587, label %ok2588
-panic2587:
-  call void @finch_panic(ptr @.str.1557, i64 792, ptr @.str.1558)
+ok2640:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then2641, label %endif2643
+then2641:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif2643:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic2644, label %ok2645
+panic2644:
+  call void @finch_panic(ptr @.str.1562, i64 812, ptr @.str.1563)
   unreachable
-ok2588:
-  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 21
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  %t28 = load i64, ptr %t23
-  %t29 = add i64 %t28, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t30 = load ptr, ptr %t22
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
-  store { ptr, i64, i64 } %t27, ptr %t31
-  store i64 %t29, ptr %t23
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t32)
-  store %S.gen.Saved %t33, ptr %a34
-  %t35 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t36 = load { ptr, i64, i64 }, ptr %t35
-  store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1559, i64 5, i64 0 }, ptr %a38
-  %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
-  %t40 = icmp ne i32 %t39, 0
-  br i1 %t40, label %then2589, label %else2590
-then2589:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
-  %t44 = icmp uge i64 0, %t43
-  br i1 %t44, label %range2592, label %inrange2593
-range2592:
-  call void @finch_panic_index(ptr @.str.1560, i64 795, i64 0, i64 %t43)
+ok2645:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1564, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then2646, label %else2647
+then2646:
+  %t39 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
+  %t42 = icmp uge i64 0, %t41
+  br i1 %t42, label %range2649, label %inrange2650
+range2649:
+  call void @finch_panic_index(ptr @.str.1565, i64 815, i64 0, i64 %t41)
   unreachable
-inrange2593:
-  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
-  %t46 = getelementptr inbounds %S.ast.Type, ptr %t45, i64 0
-  %t47 = load %S.ast.Type, ptr %t46
-  store %S.ast.Type %t47, ptr %a48
-  call void @finch.copy.S_ast_Type(ptr %a49, ptr %a48)
-  %t50 = load %S.ast.Type, ptr %a49
-  store %S.ast.Type %t50, ptr %a51
-  %t52 = load ptr, ptr %a1
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Type, ptr %a51
-  %t55 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t53, %S.ast.Type %t54)
-  store { ptr, i64, i64 } { ptr @.str.1561, i64 55, i64 0 }, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.1562, i64 1, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.emit(ptr %t52, { ptr, i64, i64 } %t63)
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.ast.Type, ptr %a51
-  %t66 = call i1 @finch.gen.owning(ptr %t64, %S.ast.Type %t65)
-  br i1 %t66, label %then2594, label %endif2596
-then2594:
-  %t67 = load ptr, ptr %a1
-  %t68 = call { ptr, i64, i64 } @finch.gen.load(ptr %t67, { ptr, i64, i64 } { ptr @.str.1563, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1564, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t68, ptr %a69
-  %t70 = load ptr, ptr %a1
-  %t71 = call { ptr, i64, i64 } @finch.gen.load(ptr %t70, { ptr, i64, i64 } { ptr @.str.1565, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1566, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t71, ptr %a72
-  %t73 = load ptr, ptr %a1
+inrange2650:
+  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
+  %t44 = getelementptr inbounds %S.ast.Type, ptr %t43, i64 0
+  %t45 = load %S.ast.Type, ptr %t44
+  store %S.ast.Type %t45, ptr %a46
+  call void @finch.copy.S_ast_Type(ptr %a47, ptr %a46)
+  %t48 = load %S.ast.Type, ptr %a47
+  store %S.ast.Type %t48, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = load ptr, ptr %a1
+  %t52 = load %S.ast.Type, ptr %a49
+  %t53 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t51, %S.ast.Type %t52)
+  store { ptr, i64, i64 } { ptr @.str.1566, i64 55, i64 0 }, ptr %a55
+  store { ptr, i64, i64 } %t53, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t58, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.1567, i64 1, i64 0 }, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  call void @finch.gen.emit(ptr %t50, { ptr, i64, i64 } %t63)
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load ptr, ptr %a1
+  %t66 = load %S.ast.Type, ptr %a49
+  %t67 = call i1 @finch.gen.owning(ptr %t65, %S.ast.Type %t66)
+  br i1 %t67, label %then2651, label %endif2653
+then2651:
+  %t68 = load ptr, ptr %a1
+  %t69 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.1568, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1569, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t69, ptr %a70
+  %t71 = load ptr, ptr %a1
+  %t72 = call { ptr, i64, i64 } @finch.gen.load(ptr %t71, { ptr, i64, i64 } { ptr @.str.1570, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1571, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t72, ptr %a73
   %t74 = load ptr, ptr %a1
-  %t75 = call { ptr, i64, i64 } @finch.gen.op(ptr %t74, { ptr, i64, i64 } { ptr @.str.1568, i64 64, i64 0 })
-  %t76 = call { ptr, i64, i64 } @finch.gen.load(ptr %t73, { ptr, i64, i64 } { ptr @.str.1567, i64 3, i64 0 }, { ptr, i64, i64 } %t75)
-  store { ptr, i64, i64 } %t76, ptr %a77
-  %t78 = load ptr, ptr %a1
-  %t79 = load { ptr, i64, i64 }, ptr %a77
-  %t80 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t78, { ptr, i64, i64 } %t79)
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = load ptr, ptr %a1
-  %t84 = load %S.ast.Type, ptr %a51
-  %t85 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t83, %S.ast.Type %t84)
-  store { ptr, i64, i64 } { ptr @.str.1569, i64 23, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.1570, i64 6, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t93, ptr %a96
-  store { ptr, i64, i64 } %t94, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.1571, i64 6, i64 0 }, ptr %a101
+  %t75 = load ptr, ptr %a1
+  %t76 = call { ptr, i64, i64 } @finch.gen.op(ptr %t75, { ptr, i64, i64 } { ptr @.str.1573, i64 64, i64 0 })
+  %t77 = call { ptr, i64, i64 } @finch.gen.load(ptr %t74, { ptr, i64, i64 } { ptr @.str.1572, i64 3, i64 0 }, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  store { ptr, i64, i64 } %t77, ptr %a79
+  %t80 = load ptr, ptr %a1
+  %t81 = load { ptr, i64, i64 }, ptr %a79
+  %t82 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t80, { ptr, i64, i64 } %t81)
+  store { ptr, i64, i64 } %t82, ptr %a83
+  %t84 = load ptr, ptr %a1
+  %t85 = load ptr, ptr %a1
+  %t86 = load %S.ast.Type, ptr %a49
+  %t87 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t85, %S.ast.Type %t86)
+  store { ptr, i64, i64 } { ptr @.str.1574, i64 23, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.1575, i64 6, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t97, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
   call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  %t103 = load { ptr, i64, i64 }, ptr %a81
-  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
-  %t105 = icmp uge i64 3, %t104
-  br i1 %t105, label %range2597, label %inrange2598
-range2597:
-  call void @finch_panic_index(ptr @.str.1572, i64 802, i64 3, i64 %t104)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.1576, i64 6, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load { ptr, i64, i64 }, ptr %a83
+  %t110 = extractvalue { ptr, i64, i64 } %t109, 1
+  %t111 = icmp uge i64 3, %t110
+  br i1 %t111, label %range2654, label %inrange2655
+range2654:
+  call void @finch_panic_index(ptr @.str.1577, i64 822, i64 3, i64 %t110)
   unreachable
-inrange2598:
-  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i64 3
-  %t108 = load { ptr, i64, i64 }, ptr %t107
-  store { ptr, i64, i64 } %t102, ptr %a110
-  store { ptr, i64, i64 } %t108, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = call { ptr, i64, i64 } @finch.gen.op(ptr %t82, { ptr, i64, i64 } %t112)
-  store { ptr, i64, i64 } %t113, ptr %a114
-  %t115 = load ptr, ptr %a1
-  %t116 = load ptr, ptr %a1
-  %t117 = load %S.ast.Type, ptr %a51
-  %t118 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t116, %S.ast.Type %t117)
-  store { ptr, i64, i64 } { ptr @.str.1573, i64 23, i64 0 }, ptr %a120
-  store { ptr, i64, i64 } %t118, ptr %a121
-  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
-  %t122 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t122, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.1574, i64 6, i64 0 }, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  %t127 = load { ptr, i64, i64 }, ptr %a72
+inrange2655:
+  %t112 = extractvalue { ptr, i64, i64 } %t109, 0
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 3
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  store { ptr, i64, i64 } %t108, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t108, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = call { ptr, i64, i64 } @finch.gen.op(ptr %t84, { ptr, i64, i64 } %t119)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t120, ptr %a122
+  %t123 = load ptr, ptr %a1
+  %t124 = load ptr, ptr %a1
+  %t125 = load %S.ast.Type, ptr %a49
+  %t126 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t124, %S.ast.Type %t125)
+  store { ptr, i64, i64 } { ptr @.str.1578, i64 23, i64 0 }, ptr %a128
   store { ptr, i64, i64 } %t126, ptr %a129
-  store { ptr, i64, i64 } %t127, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
+  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
+  store { ptr, i64, i64 } %t126, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load { ptr, i64, i64 }, ptr %a127
   store { ptr, i64, i64 } %t131, ptr %a133
-  store { ptr, i64, i64 } { ptr @.str.1575, i64 6, i64 0 }, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.1579, i64 6, i64 0 }, ptr %a134
   call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  %t136 = load { ptr, i64, i64 }, ptr %a81
-  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
-  %t138 = icmp uge i64 3, %t137
-  br i1 %t138, label %range2599, label %inrange2600
-range2599:
-  call void @finch_panic_index(ptr @.str.1576, i64 803, i64 3, i64 %t137)
+  store { ptr, i64, i64 } %t131, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  %t137 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t136, ptr %a139
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t136, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  %t142 = load { ptr, i64, i64 }, ptr %a138
+  store { ptr, i64, i64 } %t142, ptr %a144
+  store { ptr, i64, i64 } { ptr @.str.1580, i64 6, i64 0 }, ptr %a145
+  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
+  store { ptr, i64, i64 } %t142, ptr %a146
+  call void @finch_str_drop(ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a143
+  %t148 = load { ptr, i64, i64 }, ptr %a83
+  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
+  %t150 = icmp uge i64 3, %t149
+  br i1 %t150, label %range2656, label %inrange2657
+range2656:
+  call void @finch_panic_index(ptr @.str.1581, i64 823, i64 3, i64 %t149)
   unreachable
-inrange2600:
-  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t139, i64 3
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t135, ptr %a143
-  store { ptr, i64, i64 } %t141, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  %t146 = call { ptr, i64, i64 } @finch.gen.op(ptr %t115, { ptr, i64, i64 } %t145)
-  store { ptr, i64, i64 } %t146, ptr %a147
-  %t148 = load ptr, ptr %a1
-  %t149 = load { ptr, i64, i64 }, ptr %a114
-  %t150 = load { ptr, i64, i64 }, ptr %a147
-  %t151 = load %S.ast.Type, ptr %a51
-  call void @finch.gen.copyAt(ptr %t148, { ptr, i64, i64 } %t149, { ptr, i64, i64 } %t150, %S.ast.Type %t151)
-  %t152 = load ptr, ptr %a1
-  %t153 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.loopEnd(ptr %t152, { ptr, i64, i64 } %t153)
-  br label %endif2596
-endif2596:
-  br label %endif2591
-else2590:
-  %t154 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t155 = load { ptr, i64, i64 }, ptr %t154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.1577, i64 3, i64 0 }, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br i1 %t159, label %then2601, label %else2602
-then2601:
-  %t160 = load ptr, ptr %a1
-  %t161 = load ptr, ptr %a1
-  %t162 = load %S.ast.Type, ptr %a2
-  %t163 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t161, %S.ast.Type %t162)
-  store { ptr, i64, i64 } { ptr @.str.1578, i64 55, i64 0 }, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  store { ptr, i64, i64 } { ptr @.str.1579, i64 1, i64 0 }, ptr %a170
-  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  call void @finch.gen.emit(ptr %t160, { ptr, i64, i64 } %t171)
-  %t172 = load ptr, ptr %a1
-  %t173 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t174 = load { ptr, i64, i64 }, ptr %t173
-  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
-  %t176 = icmp uge i64 0, %t175
-  br i1 %t176, label %range2604, label %inrange2605
-range2604:
-  call void @finch_panic_index(ptr @.str.1580, i64 809, i64 0, i64 %t175)
+inrange2657:
+  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i64 3
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  store { ptr, i64, i64 } %t147, ptr %a155
+  store { ptr, i64, i64 } %t153, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  store { ptr, i64, i64 } %t147, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a154
+  %t159 = call { ptr, i64, i64 } @finch.gen.op(ptr %t123, { ptr, i64, i64 } %t158)
+  store { ptr, i64, i64 } %t158, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  store { ptr, i64, i64 } %t159, ptr %a161
+  %t162 = load ptr, ptr %a1
+  %t163 = load { ptr, i64, i64 }, ptr %a122
+  %t164 = load { ptr, i64, i64 }, ptr %a161
+  %t165 = load %S.ast.Type, ptr %a49
+  call void @finch.gen.copyAt(ptr %t162, { ptr, i64, i64 } %t163, { ptr, i64, i64 } %t164, %S.ast.Type %t165)
+  %t166 = load ptr, ptr %a1
+  %t167 = load { ptr, i64, i64 }, ptr %a83
+  call void @finch.gen.loopEnd(ptr %t166, { ptr, i64, i64 } %t167)
+  call void @finch_str_drop(ptr %a161)
+  call void @finch_str_drop(ptr %a122)
+  call void @finch.drop.arr_str(ptr %a83)
+  call void @finch_str_drop(ptr %a79)
+  call void @finch_str_drop(ptr %a73)
+  call void @finch_str_drop(ptr %a70)
+  br label %endif2653
+endif2653:
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  br label %endif2648
+else2647:
+  %t168 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t169 = load { ptr, i64, i64 }, ptr %t168
+  store { ptr, i64, i64 } %t169, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.1582, i64 3, i64 0 }, ptr %a171
+  %t172 = call i32 @finch_str_eq(ptr %a170, ptr %a171)
+  %t173 = icmp ne i32 %t172, 0
+  br i1 %t173, label %then2658, label %else2659
+then2658:
+  %t174 = load ptr, ptr %a1
+  %t175 = load ptr, ptr %a1
+  %t176 = load %S.ast.Type, ptr %a2
+  %t177 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t175, %S.ast.Type %t176)
+  store { ptr, i64, i64 } { ptr @.str.1583, i64 55, i64 0 }, ptr %a179
+  store { ptr, i64, i64 } %t177, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  store { ptr, i64, i64 } %t177, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.1584, i64 1, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  call void @finch.gen.emit(ptr %t174, { ptr, i64, i64 } %t187)
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch_str_drop(ptr %a188)
+  %t189 = load ptr, ptr %a1
+  %t190 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t191 = load { ptr, i64, i64 }, ptr %t190
+  %t192 = extractvalue { ptr, i64, i64 } %t191, 1
+  %t193 = icmp uge i64 0, %t192
+  br i1 %t193, label %range2661, label %inrange2662
+range2661:
+  call void @finch_panic_index(ptr @.str.1585, i64 829, i64 0, i64 %t192)
   unreachable
-inrange2605:
-  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
-  %t178 = getelementptr inbounds %S.ast.Type, ptr %t177, i64 0
-  %t179 = load %S.ast.Type, ptr %t178
-  %t180 = call i1 @finch.gen.owning(ptr %t172, %S.ast.Type %t179)
-  br label %logic.from2606
-logic.from2606:
-  br i1 %t180, label %logic.end2608, label %logic.rhs2607
-logic.rhs2607:
-  %t181 = load ptr, ptr %a1
-  %t182 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t183 = load { ptr, i64, i64 }, ptr %t182
-  %t184 = extractvalue { ptr, i64, i64 } %t183, 1
-  %t185 = icmp uge i64 1, %t184
-  br i1 %t185, label %range2609, label %inrange2610
-range2609:
-  call void @finch_panic_index(ptr @.str.1581, i64 809, i64 1, i64 %t184)
+inrange2662:
+  %t194 = extractvalue { ptr, i64, i64 } %t191, 0
+  %t195 = getelementptr inbounds %S.ast.Type, ptr %t194, i64 0
+  %t196 = load %S.ast.Type, ptr %t195
+  %t197 = call i1 @finch.gen.owning(ptr %t189, %S.ast.Type %t196)
+  br label %logic.from2663
+logic.from2663:
+  br i1 %t197, label %logic.end2665, label %logic.rhs2664
+logic.rhs2664:
+  %t198 = load ptr, ptr %a1
+  %t199 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t200 = load { ptr, i64, i64 }, ptr %t199
+  %t201 = extractvalue { ptr, i64, i64 } %t200, 1
+  %t202 = icmp uge i64 1, %t201
+  br i1 %t202, label %range2666, label %inrange2667
+range2666:
+  call void @finch_panic_index(ptr @.str.1586, i64 829, i64 1, i64 %t201)
   unreachable
-inrange2610:
-  %t186 = extractvalue { ptr, i64, i64 } %t183, 0
-  %t187 = getelementptr inbounds %S.ast.Type, ptr %t186, i64 1
-  %t188 = load %S.ast.Type, ptr %t187
-  %t189 = call i1 @finch.gen.owning(ptr %t181, %S.ast.Type %t188)
-  br label %logic.rend2611
-logic.rend2611:
-  br label %logic.end2608
-logic.end2608:
-  %t190 = phi i1 [ true, %logic.from2606 ], [ %t189, %logic.rend2611 ]
-  br i1 %t190, label %then2612, label %endif2614
-then2612:
-  %t191 = load ptr, ptr %a1
-  %t192 = load ptr, ptr %a1
-  %t193 = load ptr, ptr %a1
-  %t194 = load %S.ast.Type, ptr %a2
-  %t195 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t193, %S.ast.Type %t194)
-  store { ptr, i64, i64 } { ptr @.str.1583, i64 23, i64 0 }, ptr %a197
-  store { ptr, i64, i64 } %t195, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.1584, i64 24, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  %t204 = call { ptr, i64, i64 } @finch.gen.op(ptr %t192, { ptr, i64, i64 } %t203)
-  %t205 = call { ptr, i64, i64 } @finch.gen.load(ptr %t191, { ptr, i64, i64 } { ptr @.str.1582, i64 3, i64 0 }, { ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } %t205, ptr %a206
-  %t207 = load ptr, ptr %a1
-  %t208 = load { ptr, i64, i64 }, ptr %a206
-  %t209 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t207, { ptr, i64, i64 } %t208)
-  store { ptr, i64, i64 } %t209, ptr %a210
-  %t211 = load ptr, ptr %a1
-  %t212 = load %S.ast.Type, ptr %a2
-  %t213 = load { ptr, i64, i64 }, ptr %a210
-  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
-  %t215 = icmp uge i64 3, %t214
-  br i1 %t215, label %range2615, label %inrange2616
-range2615:
-  call void @finch_panic_index(ptr @.str.1586, i64 813, i64 3, i64 %t214)
+inrange2667:
+  %t203 = extractvalue { ptr, i64, i64 } %t200, 0
+  %t204 = getelementptr inbounds %S.ast.Type, ptr %t203, i64 1
+  %t205 = load %S.ast.Type, ptr %t204
+  %t206 = call i1 @finch.gen.owning(ptr %t198, %S.ast.Type %t205)
+  br label %logic.rend2668
+logic.rend2668:
+  br label %logic.end2665
+logic.end2665:
+  %t207 = phi i1 [ true, %logic.from2663 ], [ %t206, %logic.rend2668 ]
+  br i1 %t207, label %then2669, label %endif2671
+then2669:
+  %t208 = load ptr, ptr %a1
+  %t209 = load ptr, ptr %a1
+  %t210 = load ptr, ptr %a1
+  %t211 = load %S.ast.Type, ptr %a2
+  %t212 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t210, %S.ast.Type %t211)
+  store { ptr, i64, i64 } { ptr @.str.1588, i64 23, i64 0 }, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t212, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  store { ptr, i64, i64 } %t217, ptr %a219
+  store { ptr, i64, i64 } { ptr @.str.1589, i64 24, i64 0 }, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t217, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a218
+  %t223 = call { ptr, i64, i64 } @finch.gen.op(ptr %t209, { ptr, i64, i64 } %t222)
+  store { ptr, i64, i64 } %t222, ptr %a224
+  call void @finch_str_drop(ptr %a224)
+  %t225 = call { ptr, i64, i64 } @finch.gen.load(ptr %t208, { ptr, i64, i64 } { ptr @.str.1587, i64 3, i64 0 }, { ptr, i64, i64 } %t223)
+  store { ptr, i64, i64 } %t223, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  store { ptr, i64, i64 } %t225, ptr %a227
+  %t228 = load ptr, ptr %a1
+  %t229 = load { ptr, i64, i64 }, ptr %a227
+  %t230 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t228, { ptr, i64, i64 } %t229)
+  store { ptr, i64, i64 } %t230, ptr %a231
+  %t232 = load ptr, ptr %a1
+  %t233 = load %S.ast.Type, ptr %a2
+  %t234 = load { ptr, i64, i64 }, ptr %a231
+  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
+  %t236 = icmp uge i64 3, %t235
+  br i1 %t236, label %range2672, label %inrange2673
+range2672:
+  call void @finch_panic_index(ptr @.str.1591, i64 833, i64 3, i64 %t235)
   unreachable
-inrange2616:
-  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
-  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i64 3
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  %t219 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t211, { ptr, i64, i64 } { ptr @.str.1585, i64 4, i64 0 }, %S.ast.Type %t212, { ptr, i64, i64 } %t218)
-  store { ptr, i64, i64 } %t219, ptr %a220
-  %t221 = load ptr, ptr %a1
-  %t222 = load %S.ast.Type, ptr %a2
-  %t223 = load { ptr, i64, i64 }, ptr %a210
-  %t224 = extractvalue { ptr, i64, i64 } %t223, 1
-  %t225 = icmp uge i64 3, %t224
-  br i1 %t225, label %range2617, label %inrange2618
-range2617:
-  call void @finch_panic_index(ptr @.str.1588, i64 814, i64 3, i64 %t224)
+inrange2673:
+  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
+  %t238 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 3
+  %t239 = load { ptr, i64, i64 }, ptr %t238
+  %t240 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t232, { ptr, i64, i64 } { ptr @.str.1590, i64 4, i64 0 }, %S.ast.Type %t233, { ptr, i64, i64 } %t239)
+  store { ptr, i64, i64 } %t240, ptr %a241
+  %t242 = load ptr, ptr %a1
+  %t243 = load %S.ast.Type, ptr %a2
+  %t244 = load { ptr, i64, i64 }, ptr %a231
+  %t245 = extractvalue { ptr, i64, i64 } %t244, 1
+  %t246 = icmp uge i64 3, %t245
+  br i1 %t246, label %range2674, label %inrange2675
+range2674:
+  call void @finch_panic_index(ptr @.str.1593, i64 834, i64 3, i64 %t245)
   unreachable
-inrange2618:
-  %t226 = extractvalue { ptr, i64, i64 } %t223, 0
-  %t227 = getelementptr inbounds { ptr, i64, i64 }, ptr %t226, i64 3
-  %t228 = load { ptr, i64, i64 }, ptr %t227
-  %t229 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t221, { ptr, i64, i64 } { ptr @.str.1587, i64 4, i64 0 }, %S.ast.Type %t222, { ptr, i64, i64 } %t228)
-  store { ptr, i64, i64 } %t229, ptr %a230
-  %t231 = load ptr, ptr %a1
-  %t232 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t231, { ptr, i64, i64 } { ptr @.str.1589, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t232, ptr %a233
-  %t234 = load ptr, ptr %a1
-  %t235 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t234, { ptr, i64, i64 } { ptr @.str.1590, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t235, ptr %a236
-  %t237 = load ptr, ptr %a1
-  %t238 = load ptr, ptr %a1
-  %t239 = load ptr, ptr %a1
-  %t240 = load ptr, ptr %a1
-  %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Type, ptr %a2
-  %t243 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t241, %S.ast.Type %t242)
-  store { ptr, i64, i64 } { ptr @.str.1593, i64 23, i64 0 }, ptr %a245
-  store { ptr, i64, i64 } %t243, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  store { ptr, i64, i64 } %t247, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.1594, i64 6, i64 0 }, ptr %a250
-  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  %t252 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t251, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.1595, i64 14, i64 0 }, ptr %a259
-  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
-  %t260 = load { ptr, i64, i64 }, ptr %a257
-  %t261 = call { ptr, i64, i64 } @finch.gen.op(ptr %t240, { ptr, i64, i64 } %t260)
-  %t262 = call { ptr, i64, i64 } @finch.gen.load(ptr %t239, { ptr, i64, i64 } { ptr @.str.1592, i64 3, i64 0 }, { ptr, i64, i64 } %t261)
-  store { ptr, i64, i64 } { ptr @.str.1591, i64 12, i64 0 }, ptr %a264
-  store { ptr, i64, i64 } %t262, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  store { ptr, i64, i64 } %t266, ptr %a268
-  store { ptr, i64, i64 } { ptr @.str.1596, i64 3, i64 0 }, ptr %a269
-  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
-  %t270 = load { ptr, i64, i64 }, ptr %a267
-  %t271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t238, { ptr, i64, i64 } %t270)
-  %t272 = load { ptr, i64, i64 }, ptr %a233
-  %t273 = load { ptr, i64, i64 }, ptr %a236
-  call void @finch.gen.condBr(ptr %t237, { ptr, i64, i64 } %t271, { ptr, i64, i64 } %t272, { ptr, i64, i64 } %t273)
-  %t274 = load ptr, ptr %a1
-  %t275 = load { ptr, i64, i64 }, ptr %a233
-  call void @finch.gen.label(ptr %t274, { ptr, i64, i64 } %t275)
-  %t276 = load ptr, ptr %a1
-  %t277 = load ptr, ptr %a1
-  %t278 = load { ptr, i64, i64 }, ptr %a230
-  %t279 = load %S.ast.Type, ptr %a2
-  %t280 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t277, { ptr, i64, i64 } %t278, %S.ast.Type %t279, i64 1)
-  %t281 = load ptr, ptr %a1
-  %t282 = load { ptr, i64, i64 }, ptr %a220
-  %t283 = load %S.ast.Type, ptr %a2
-  %t284 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t281, { ptr, i64, i64 } %t282, %S.ast.Type %t283, i64 1)
-  %t285 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 0, %t287
-  br i1 %t288, label %range2619, label %inrange2620
-range2619:
-  call void @finch_panic_index(ptr @.str.1597, i64 819, i64 0, i64 %t287)
-  unreachable
-inrange2620:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds %S.ast.Type, ptr %t289, i64 0
-  %t291 = load %S.ast.Type, ptr %t290
-  call void @finch.gen.copyAt(ptr %t276, { ptr, i64, i64 } %t280, { ptr, i64, i64 } %t284, %S.ast.Type %t291)
-  %t292 = load ptr, ptr %a1
-  %t293 = load ptr, ptr %a1
-  %t294 = load { ptr, i64, i64 }, ptr %a230
-  %t295 = load %S.ast.Type, ptr %a2
-  %t296 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t293, { ptr, i64, i64 } %t294, %S.ast.Type %t295, i64 2)
-  %t297 = load ptr, ptr %a1
-  %t298 = load { ptr, i64, i64 }, ptr %a220
-  %t299 = load %S.ast.Type, ptr %a2
-  %t300 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t297, { ptr, i64, i64 } %t298, %S.ast.Type %t299, i64 2)
-  %t301 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t302 = load { ptr, i64, i64 }, ptr %t301
-  %t303 = extractvalue { ptr, i64, i64 } %t302, 1
-  %t304 = icmp uge i64 1, %t303
-  br i1 %t304, label %range2621, label %inrange2622
-range2621:
-  call void @finch_panic_index(ptr @.str.1598, i64 820, i64 1, i64 %t303)
-  unreachable
-inrange2622:
-  %t305 = extractvalue { ptr, i64, i64 } %t302, 0
-  %t306 = getelementptr inbounds %S.ast.Type, ptr %t305, i64 1
-  %t307 = load %S.ast.Type, ptr %t306
-  call void @finch.gen.copyAt(ptr %t292, { ptr, i64, i64 } %t296, { ptr, i64, i64 } %t300, %S.ast.Type %t307)
+inrange2675:
+  %t247 = extractvalue { ptr, i64, i64 } %t244, 0
+  %t248 = getelementptr inbounds { ptr, i64, i64 }, ptr %t247, i64 3
+  %t249 = load { ptr, i64, i64 }, ptr %t248
+  %t250 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t242, { ptr, i64, i64 } { ptr @.str.1592, i64 4, i64 0 }, %S.ast.Type %t243, { ptr, i64, i64 } %t249)
+  store { ptr, i64, i64 } %t250, ptr %a251
+  %t252 = load ptr, ptr %a1
+  %t253 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t252, { ptr, i64, i64 } { ptr @.str.1594, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t253, ptr %a254
+  %t255 = load ptr, ptr %a1
+  %t256 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t255, { ptr, i64, i64 } { ptr @.str.1595, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t256, ptr %a257
+  %t258 = load ptr, ptr %a1
+  %t259 = load ptr, ptr %a1
+  %t260 = load ptr, ptr %a1
+  %t261 = load ptr, ptr %a1
+  %t262 = load ptr, ptr %a1
+  %t263 = load %S.ast.Type, ptr %a2
+  %t264 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t262, %S.ast.Type %t263)
+  store { ptr, i64, i64 } { ptr @.str.1598, i64 23, i64 0 }, ptr %a266
+  store { ptr, i64, i64 } %t264, ptr %a267
+  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
+  store { ptr, i64, i64 } %t264, ptr %a268
+  call void @finch_str_drop(ptr %a268)
+  %t269 = load { ptr, i64, i64 }, ptr %a265
+  store { ptr, i64, i64 } %t269, ptr %a271
+  store { ptr, i64, i64 } { ptr @.str.1599, i64 6, i64 0 }, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t269, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  %t275 = load { ptr, i64, i64 }, ptr %a241
+  store { ptr, i64, i64 } %t274, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  store { ptr, i64, i64 } %t274, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  %t280 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t280, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.1600, i64 14, i64 0 }, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t280, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
+  %t286 = call { ptr, i64, i64 } @finch.gen.op(ptr %t261, { ptr, i64, i64 } %t285)
+  store { ptr, i64, i64 } %t285, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = call { ptr, i64, i64 } @finch.gen.load(ptr %t260, { ptr, i64, i64 } { ptr @.str.1597, i64 3, i64 0 }, { ptr, i64, i64 } %t286)
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  store { ptr, i64, i64 } { ptr @.str.1596, i64 12, i64 0 }, ptr %a291
+  store { ptr, i64, i64 } %t288, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  store { ptr, i64, i64 } %t288, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load { ptr, i64, i64 }, ptr %a290
+  store { ptr, i64, i64 } %t294, ptr %a296
+  store { ptr, i64, i64 } { ptr @.str.1601, i64 3, i64 0 }, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  store { ptr, i64, i64 } %t294, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a295
+  %t300 = call { ptr, i64, i64 } @finch.gen.op(ptr %t259, { ptr, i64, i64 } %t299)
+  store { ptr, i64, i64 } %t299, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a254
+  %t303 = load { ptr, i64, i64 }, ptr %a257
+  call void @finch.gen.condBr(ptr %t258, { ptr, i64, i64 } %t300, { ptr, i64, i64 } %t302, { ptr, i64, i64 } %t303)
+  store { ptr, i64, i64 } %t300, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load ptr, ptr %a1
+  %t306 = load { ptr, i64, i64 }, ptr %a254
+  call void @finch.gen.label(ptr %t305, { ptr, i64, i64 } %t306)
+  %t307 = load ptr, ptr %a1
   %t308 = load ptr, ptr %a1
-  %t309 = load { ptr, i64, i64 }, ptr %a236
-  call void @finch.gen.br(ptr %t308, { ptr, i64, i64 } %t309)
-  %t310 = load ptr, ptr %a1
-  %t311 = load { ptr, i64, i64 }, ptr %a236
-  call void @finch.gen.label(ptr %t310, { ptr, i64, i64 } %t311)
+  %t309 = load { ptr, i64, i64 }, ptr %a251
+  %t310 = load %S.ast.Type, ptr %a2
+  %t311 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t308, { ptr, i64, i64 } %t309, %S.ast.Type %t310, i64 1)
   %t312 = load ptr, ptr %a1
-  %t313 = load { ptr, i64, i64 }, ptr %a210
-  call void @finch.gen.loopEnd(ptr %t312, { ptr, i64, i64 } %t313)
-  br label %endif2614
-endif2614:
-  br label %endif2603
-else2602:
-  %t314 = load ptr, ptr %a1
-  %t315 = icmp eq ptr %t314, null
-  br i1 %t315, label %panic2623, label %ok2624
-panic2623:
-  call void @finch_panic(ptr @.str.1599, i64 826, ptr @.str.1600)
+  %t313 = load { ptr, i64, i64 }, ptr %a241
+  %t314 = load %S.ast.Type, ptr %a2
+  %t315 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t312, { ptr, i64, i64 } %t313, %S.ast.Type %t314, i64 1)
+  %t316 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t317 = load { ptr, i64, i64 }, ptr %t316
+  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
+  %t319 = icmp uge i64 0, %t318
+  br i1 %t319, label %range2676, label %inrange2677
+range2676:
+  call void @finch_panic_index(ptr @.str.1602, i64 839, i64 0, i64 %t318)
   unreachable
-ok2624:
-  %t316 = getelementptr inbounds %S.gen.Gen, ptr %t314, i32 0, i32 15
-  %t317 = load ptr, ptr %a1
-  %t318 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t319 = load { ptr, i64, i64 }, ptr %t318
-  %t320 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t321 = load { ptr, i64, i64 }, ptr %t320
-  %t322 = call i64 @finch.gen.findStruct(ptr %t317, { ptr, i64, i64 } %t319, { ptr, i64, i64 } %t321)
-  %t323 = load { ptr, i64, i64 }, ptr %t316
-  %t324 = extractvalue { ptr, i64, i64 } %t323, 1
-  %t325 = icmp uge i64 %t322, %t324
-  br i1 %t325, label %range2625, label %inrange2626
-range2625:
-  call void @finch_panic_index(ptr @.str.1601, i64 826, i64 %t322, i64 %t324)
+inrange2677:
+  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
+  %t321 = getelementptr inbounds %S.ast.Type, ptr %t320, i64 0
+  %t322 = load %S.ast.Type, ptr %t321
+  call void @finch.gen.copyAt(ptr %t307, { ptr, i64, i64 } %t311, { ptr, i64, i64 } %t315, %S.ast.Type %t322)
+  store { ptr, i64, i64 } %t311, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  store { ptr, i64, i64 } %t315, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  %t325 = load ptr, ptr %a1
+  %t326 = load ptr, ptr %a1
+  %t327 = load { ptr, i64, i64 }, ptr %a251
+  %t328 = load %S.ast.Type, ptr %a2
+  %t329 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t326, { ptr, i64, i64 } %t327, %S.ast.Type %t328, i64 2)
+  %t330 = load ptr, ptr %a1
+  %t331 = load { ptr, i64, i64 }, ptr %a241
+  %t332 = load %S.ast.Type, ptr %a2
+  %t333 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t330, { ptr, i64, i64 } %t331, %S.ast.Type %t332, i64 2)
+  %t334 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  %t336 = extractvalue { ptr, i64, i64 } %t335, 1
+  %t337 = icmp uge i64 1, %t336
+  br i1 %t337, label %range2678, label %inrange2679
+range2678:
+  call void @finch_panic_index(ptr @.str.1603, i64 840, i64 1, i64 %t336)
   unreachable
-inrange2626:
-  %t326 = extractvalue { ptr, i64, i64 } %t323, 0
-  %t327 = getelementptr inbounds %S.gen.StructDef, ptr %t326, i64 %t322
-  %t328 = load %S.gen.StructDef, ptr %t327
-  store %S.gen.StructDef %t328, ptr %a329
-  call void @finch.copy.S_gen_StructDef(ptr %a330, ptr %a329)
-  %t331 = load %S.gen.StructDef, ptr %a330
-  store %S.gen.StructDef %t331, ptr %a332
-  %t333 = load ptr, ptr %a1
-  %t334 = load %S.ast.Type, ptr %a2
-  %t335 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t333, %S.ast.Type %t334)
-  store { ptr, i64, i64 } %t335, ptr %a336
-  %t337 = load ptr, ptr %a1
-  %t338 = load { ptr, i64, i64 }, ptr %a336
-  %t339 = load ptr, ptr %a1
-  %t340 = load { ptr, i64, i64 }, ptr %a336
-  %t341 = call { ptr, i64, i64 } @finch.gen.load(ptr %t339, { ptr, i64, i64 } %t340, { ptr, i64, i64 } { ptr @.str.1602, i64 4, i64 0 })
-  call void @finch.gen.store(ptr %t337, { ptr, i64, i64 } %t338, { ptr, i64, i64 } %t341, { ptr, i64, i64 } { ptr @.str.1603, i64 4, i64 0 })
-  %t342 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 12
-  %t343 = getelementptr inbounds { ptr, i64, i64 }, ptr %t342, i32 0, i32 1
-  %t344 = load i64, ptr %t343
-  store i64 0, ptr %a345
-  br label %for.cond2627
-for.cond2627:
-  %t346 = load i64, ptr %a345
-  %t347 = icmp slt i64 %t346, %t344
-  br i1 %t347, label %for.body2628, label %for.end2630
-for.body2628:
-  %t348 = load ptr, ptr %a1
-  %t349 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 12
-  %t350 = load i64, ptr %a345
-  %t351 = load { ptr, i64, i64 }, ptr %t349
-  %t352 = extractvalue { ptr, i64, i64 } %t351, 1
-  %t353 = icmp uge i64 %t350, %t352
-  br i1 %t353, label %range2631, label %inrange2632
-range2631:
-  call void @finch_panic_index(ptr @.str.1604, i64 830, i64 %t350, i64 %t352)
+inrange2679:
+  %t338 = extractvalue { ptr, i64, i64 } %t335, 0
+  %t339 = getelementptr inbounds %S.ast.Type, ptr %t338, i64 1
+  %t340 = load %S.ast.Type, ptr %t339
+  call void @finch.gen.copyAt(ptr %t325, { ptr, i64, i64 } %t329, { ptr, i64, i64 } %t333, %S.ast.Type %t340)
+  store { ptr, i64, i64 } %t329, ptr %a341
+  call void @finch_str_drop(ptr %a341)
+  store { ptr, i64, i64 } %t333, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load ptr, ptr %a1
+  %t344 = load { ptr, i64, i64 }, ptr %a257
+  call void @finch.gen.br(ptr %t343, { ptr, i64, i64 } %t344)
+  %t345 = load ptr, ptr %a1
+  %t346 = load { ptr, i64, i64 }, ptr %a257
+  call void @finch.gen.label(ptr %t345, { ptr, i64, i64 } %t346)
+  %t347 = load ptr, ptr %a1
+  %t348 = load { ptr, i64, i64 }, ptr %a231
+  call void @finch.gen.loopEnd(ptr %t347, { ptr, i64, i64 } %t348)
+  call void @finch_str_drop(ptr %a257)
+  call void @finch_str_drop(ptr %a254)
+  call void @finch_str_drop(ptr %a251)
+  call void @finch_str_drop(ptr %a241)
+  call void @finch.drop.arr_str(ptr %a231)
+  call void @finch_str_drop(ptr %a227)
+  br label %endif2671
+endif2671:
+  br label %endif2660
+else2659:
+  %t349 = load ptr, ptr %a1
+  %t350 = icmp eq ptr %t349, null
+  br i1 %t350, label %panic2680, label %ok2681
+panic2680:
+  call void @finch_panic(ptr @.str.1604, i64 846, ptr @.str.1605)
   unreachable
-inrange2632:
-  %t354 = extractvalue { ptr, i64, i64 } %t351, 0
-  %t355 = getelementptr inbounds %S.ast.Type, ptr %t354, i64 %t350
-  %t356 = load %S.ast.Type, ptr %t355
-  %t357 = call i1 @finch.gen.owning(ptr %t348, %S.ast.Type %t356)
-  br i1 %t357, label %then2633, label %endif2635
-then2633:
-  %t358 = load ptr, ptr %a1
-  %t359 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } { ptr @.str.1605, i64 23, i64 0 }, ptr %a361
-  store { ptr, i64, i64 } %t359, ptr %a362
-  call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.1606, i64 23, i64 0 }, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  %t368 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 3
-  %t369 = load i64, ptr %a345
-  %t370 = load { ptr, i64, i64 }, ptr %t368
-  %t371 = extractvalue { ptr, i64, i64 } %t370, 1
-  %t372 = icmp uge i64 %t369, %t371
-  br i1 %t372, label %range2636, label %inrange2637
-range2636:
-  call void @finch_panic_index(ptr @.str.1607, i64 831, i64 %t369, i64 %t371)
+ok2681:
+  %t351 = getelementptr inbounds %S.gen.Gen, ptr %t349, i32 0, i32 16
+  %t352 = load ptr, ptr %a1
+  %t353 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t354 = load { ptr, i64, i64 }, ptr %t353
+  %t355 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t356 = load { ptr, i64, i64 }, ptr %t355
+  %t357 = call i64 @finch.gen.findStruct(ptr %t352, { ptr, i64, i64 } %t354, { ptr, i64, i64 } %t356)
+  %t358 = load { ptr, i64, i64 }, ptr %t351
+  %t359 = extractvalue { ptr, i64, i64 } %t358, 1
+  %t360 = icmp uge i64 %t357, %t359
+  br i1 %t360, label %range2682, label %inrange2683
+range2682:
+  call void @finch_panic_index(ptr @.str.1606, i64 846, i64 %t357, i64 %t359)
   unreachable
-inrange2637:
-  %t373 = extractvalue { ptr, i64, i64 } %t370, 0
-  %t374 = getelementptr inbounds i64, ptr %t373, i64 %t369
-  %t375 = load i64, ptr %t374
-  call void @finch_str_from_int(ptr %a376, i64 %t375)
-  %t377 = load { ptr, i64, i64 }, ptr %a376
-  store { ptr, i64, i64 } %t367, ptr %a379
-  store { ptr, i64, i64 } %t377, ptr %a380
-  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
-  %t381 = load { ptr, i64, i64 }, ptr %a378
-  %t382 = call { ptr, i64, i64 } @finch.gen.op(ptr %t358, { ptr, i64, i64 } %t381)
-  store { ptr, i64, i64 } %t382, ptr %a383
+inrange2683:
+  %t361 = extractvalue { ptr, i64, i64 } %t358, 0
+  %t362 = getelementptr inbounds %S.gen.StructDef, ptr %t361, i64 %t357
+  %t363 = load %S.gen.StructDef, ptr %t362
+  store %S.gen.StructDef %t363, ptr %a364
+  call void @finch.copy.S_gen_StructDef(ptr %a365, ptr %a364)
+  %t366 = load %S.gen.StructDef, ptr %a365
+  store %S.gen.StructDef %t366, ptr %a367
+  %t368 = load ptr, ptr %a1
+  %t369 = load %S.ast.Type, ptr %a2
+  %t370 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t368, %S.ast.Type %t369)
+  store { ptr, i64, i64 } %t370, ptr %a371
+  %t372 = load ptr, ptr %a1
+  %t373 = load { ptr, i64, i64 }, ptr %a371
+  %t374 = load ptr, ptr %a1
+  %t375 = load { ptr, i64, i64 }, ptr %a371
+  %t376 = call { ptr, i64, i64 } @finch.gen.load(ptr %t374, { ptr, i64, i64 } %t375, { ptr, i64, i64 } { ptr @.str.1607, i64 4, i64 0 })
+  call void @finch.gen.store(ptr %t372, { ptr, i64, i64 } %t373, { ptr, i64, i64 } %t376, { ptr, i64, i64 } { ptr @.str.1608, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t376, ptr %a377
+  call void @finch_str_drop(ptr %a377)
+  %t378 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 12
+  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i32 0, i32 1
+  %t380 = load i64, ptr %t379
+  store i64 0, ptr %a381
+  br label %for.cond2684
+for.cond2684:
+  %t382 = load i64, ptr %a381
+  %t383 = icmp slt i64 %t382, %t380
+  br i1 %t383, label %for.body2685, label %for.end2687
+for.body2685:
   %t384 = load ptr, ptr %a1
-  %t385 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } { ptr @.str.1608, i64 23, i64 0 }, ptr %a387
-  store { ptr, i64, i64 } %t385, ptr %a388
-  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
-  %t389 = load { ptr, i64, i64 }, ptr %a386
-  store { ptr, i64, i64 } %t389, ptr %a391
-  store { ptr, i64, i64 } { ptr @.str.1609, i64 23, i64 0 }, ptr %a392
-  call void @finch_str_concat(ptr %a390, ptr %a391, ptr %a392)
-  %t393 = load { ptr, i64, i64 }, ptr %a390
-  %t394 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 3
-  %t395 = load i64, ptr %a345
-  %t396 = load { ptr, i64, i64 }, ptr %t394
-  %t397 = extractvalue { ptr, i64, i64 } %t396, 1
-  %t398 = icmp uge i64 %t395, %t397
-  br i1 %t398, label %range2638, label %inrange2639
-range2638:
-  call void @finch_panic_index(ptr @.str.1610, i64 832, i64 %t395, i64 %t397)
+  %t385 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 12
+  %t386 = load i64, ptr %a381
+  %t387 = load { ptr, i64, i64 }, ptr %t385
+  %t388 = extractvalue { ptr, i64, i64 } %t387, 1
+  %t389 = icmp uge i64 %t386, %t388
+  br i1 %t389, label %range2688, label %inrange2689
+range2688:
+  call void @finch_panic_index(ptr @.str.1609, i64 850, i64 %t386, i64 %t388)
   unreachable
-inrange2639:
-  %t399 = extractvalue { ptr, i64, i64 } %t396, 0
-  %t400 = getelementptr inbounds i64, ptr %t399, i64 %t395
-  %t401 = load i64, ptr %t400
-  call void @finch_str_from_int(ptr %a402, i64 %t401)
-  %t403 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t393, ptr %a405
-  store { ptr, i64, i64 } %t403, ptr %a406
-  call void @finch_str_concat(ptr %a404, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  %t408 = call { ptr, i64, i64 } @finch.gen.op(ptr %t384, { ptr, i64, i64 } %t407)
-  store { ptr, i64, i64 } %t408, ptr %a409
-  %t410 = load ptr, ptr %a1
-  %t411 = load { ptr, i64, i64 }, ptr %a383
-  %t412 = load { ptr, i64, i64 }, ptr %a409
-  %t413 = getelementptr inbounds %S.gen.StructDef, ptr %a332, i32 0, i32 12
-  %t414 = load i64, ptr %a345
-  %t415 = load { ptr, i64, i64 }, ptr %t413
-  %t416 = extractvalue { ptr, i64, i64 } %t415, 1
-  %t417 = icmp uge i64 %t414, %t416
-  br i1 %t417, label %range2640, label %inrange2641
-range2640:
-  call void @finch_panic_index(ptr @.str.1611, i64 833, i64 %t414, i64 %t416)
+inrange2689:
+  %t390 = extractvalue { ptr, i64, i64 } %t387, 0
+  %t391 = getelementptr inbounds %S.ast.Type, ptr %t390, i64 %t386
+  %t392 = load %S.ast.Type, ptr %t391
+  %t393 = call i1 @finch.gen.owning(ptr %t384, %S.ast.Type %t392)
+  br i1 %t393, label %then2690, label %endif2692
+then2690:
+  %t394 = load ptr, ptr %a1
+  %t395 = load { ptr, i64, i64 }, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1610, i64 23, i64 0 }, ptr %a397
+  store { ptr, i64, i64 } %t395, ptr %a398
+  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a396
+  store { ptr, i64, i64 } %t399, ptr %a401
+  store { ptr, i64, i64 } { ptr @.str.1611, i64 23, i64 0 }, ptr %a402
+  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
+  store { ptr, i64, i64 } %t399, ptr %a403
+  call void @finch_str_drop(ptr %a403)
+  %t404 = load { ptr, i64, i64 }, ptr %a400
+  %t405 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 3
+  %t406 = load i64, ptr %a381
+  %t407 = load { ptr, i64, i64 }, ptr %t405
+  %t408 = extractvalue { ptr, i64, i64 } %t407, 1
+  %t409 = icmp uge i64 %t406, %t408
+  br i1 %t409, label %range2693, label %inrange2694
+range2693:
+  call void @finch_panic_index(ptr @.str.1612, i64 851, i64 %t406, i64 %t408)
   unreachable
-inrange2641:
-  %t418 = extractvalue { ptr, i64, i64 } %t415, 0
-  %t419 = getelementptr inbounds %S.ast.Type, ptr %t418, i64 %t414
-  %t420 = load %S.ast.Type, ptr %t419
-  call void @finch.gen.copyAt(ptr %t410, { ptr, i64, i64 } %t411, { ptr, i64, i64 } %t412, %S.ast.Type %t420)
-  br label %endif2635
-endif2635:
-  br label %for.step2629
-for.step2629:
-  %t421 = load i64, ptr %a345
-  %t422 = add i64 %t421, 1
-  store i64 %t422, ptr %a345
-  br label %for.cond2627
-for.end2630:
-  br label %endif2603
-endif2603:
-  br label %endif2591
-endif2591:
-  %t423 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t423, { ptr, i64, i64 } { ptr @.str.1612, i64 8, i64 0 })
+inrange2694:
+  %t410 = extractvalue { ptr, i64, i64 } %t407, 0
+  %t411 = getelementptr inbounds i64, ptr %t410, i64 %t406
+  %t412 = load i64, ptr %t411
+  call void @finch_str_from_int(ptr %a413, i64 %t412)
+  %t414 = load { ptr, i64, i64 }, ptr %a413
+  store { ptr, i64, i64 } %t404, ptr %a416
+  store { ptr, i64, i64 } %t414, ptr %a417
+  call void @finch_str_concat(ptr %a415, ptr %a416, ptr %a417)
+  store { ptr, i64, i64 } %t404, ptr %a418
+  call void @finch_str_drop(ptr %a418)
+  store { ptr, i64, i64 } %t414, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a415
+  %t421 = call { ptr, i64, i64 } @finch.gen.op(ptr %t394, { ptr, i64, i64 } %t420)
+  store { ptr, i64, i64 } %t420, ptr %a422
+  call void @finch_str_drop(ptr %a422)
+  store { ptr, i64, i64 } %t421, ptr %a423
   %t424 = load ptr, ptr %a1
-  %t425 = load %S.gen.Saved, ptr %a34
-  %t426 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1613, i64 21, i64 0 }, ptr %a428
-  store { ptr, i64, i64 } %t426, ptr %a429
-  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
-  %t430 = load { ptr, i64, i64 }, ptr %a427
-  store { ptr, i64, i64 } %t430, ptr %a432
-  store { ptr, i64, i64 } { ptr @.str.1614, i64 20, i64 0 }, ptr %a433
-  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
-  %t434 = load { ptr, i64, i64 }, ptr %a431
-  call void @finch.gen.endHelper(ptr %t424, %S.gen.Saved %t425, { ptr, i64, i64 } %t434)
-  %t435 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t435, ptr %a436
-  call void @finch_str_copy(ptr %a437, ptr %a436)
-  %t438 = load { ptr, i64, i64 }, ptr %a437
-  ret { ptr, i64, i64 } %t438
+  %t425 = load { ptr, i64, i64 }, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1613, i64 23, i64 0 }, ptr %a427
+  store { ptr, i64, i64 } %t425, ptr %a428
+  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
+  %t429 = load { ptr, i64, i64 }, ptr %a426
+  store { ptr, i64, i64 } %t429, ptr %a431
+  store { ptr, i64, i64 } { ptr @.str.1614, i64 23, i64 0 }, ptr %a432
+  call void @finch_str_concat(ptr %a430, ptr %a431, ptr %a432)
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch_str_drop(ptr %a433)
+  %t434 = load { ptr, i64, i64 }, ptr %a430
+  %t435 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 3
+  %t436 = load i64, ptr %a381
+  %t437 = load { ptr, i64, i64 }, ptr %t435
+  %t438 = extractvalue { ptr, i64, i64 } %t437, 1
+  %t439 = icmp uge i64 %t436, %t438
+  br i1 %t439, label %range2695, label %inrange2696
+range2695:
+  call void @finch_panic_index(ptr @.str.1615, i64 852, i64 %t436, i64 %t438)
+  unreachable
+inrange2696:
+  %t440 = extractvalue { ptr, i64, i64 } %t437, 0
+  %t441 = getelementptr inbounds i64, ptr %t440, i64 %t436
+  %t442 = load i64, ptr %t441
+  call void @finch_str_from_int(ptr %a443, i64 %t442)
+  %t444 = load { ptr, i64, i64 }, ptr %a443
+  store { ptr, i64, i64 } %t434, ptr %a446
+  store { ptr, i64, i64 } %t444, ptr %a447
+  call void @finch_str_concat(ptr %a445, ptr %a446, ptr %a447)
+  store { ptr, i64, i64 } %t434, ptr %a448
+  call void @finch_str_drop(ptr %a448)
+  store { ptr, i64, i64 } %t444, ptr %a449
+  call void @finch_str_drop(ptr %a449)
+  %t450 = load { ptr, i64, i64 }, ptr %a445
+  %t451 = call { ptr, i64, i64 } @finch.gen.op(ptr %t424, { ptr, i64, i64 } %t450)
+  store { ptr, i64, i64 } %t450, ptr %a452
+  call void @finch_str_drop(ptr %a452)
+  store { ptr, i64, i64 } %t451, ptr %a453
+  %t454 = load ptr, ptr %a1
+  %t455 = load { ptr, i64, i64 }, ptr %a423
+  %t456 = load { ptr, i64, i64 }, ptr %a453
+  %t457 = getelementptr inbounds %S.gen.StructDef, ptr %a367, i32 0, i32 12
+  %t458 = load i64, ptr %a381
+  %t459 = load { ptr, i64, i64 }, ptr %t457
+  %t460 = extractvalue { ptr, i64, i64 } %t459, 1
+  %t461 = icmp uge i64 %t458, %t460
+  br i1 %t461, label %range2697, label %inrange2698
+range2697:
+  call void @finch_panic_index(ptr @.str.1616, i64 853, i64 %t458, i64 %t460)
+  unreachable
+inrange2698:
+  %t462 = extractvalue { ptr, i64, i64 } %t459, 0
+  %t463 = getelementptr inbounds %S.ast.Type, ptr %t462, i64 %t458
+  %t464 = load %S.ast.Type, ptr %t463
+  call void @finch.gen.copyAt(ptr %t454, { ptr, i64, i64 } %t455, { ptr, i64, i64 } %t456, %S.ast.Type %t464)
+  call void @finch_str_drop(ptr %a453)
+  call void @finch_str_drop(ptr %a423)
+  br label %endif2692
+endif2692:
+  br label %for.step2686
+for.step2686:
+  %t465 = load i64, ptr %a381
+  %t466 = add i64 %t465, 1
+  store i64 %t466, ptr %a381
+  br label %for.cond2684
+for.end2687:
+  call void @finch_str_drop(ptr %a371)
+  call void @finch.drop.S_gen_StructDef(ptr %a367)
+  br label %endif2660
+endif2660:
+  br label %endif2648
+endif2648:
+  %t467 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t467, { ptr, i64, i64 } { ptr @.str.1617, i64 8, i64 0 })
+  %t468 = load ptr, ptr %a1
+  %t469 = load %S.gen.Saved, ptr %a32
+  %t470 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1618, i64 21, i64 0 }, ptr %a472
+  store { ptr, i64, i64 } %t470, ptr %a473
+  call void @finch_str_concat(ptr %a471, ptr %a472, ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a471
+  store { ptr, i64, i64 } %t474, ptr %a476
+  store { ptr, i64, i64 } { ptr @.str.1619, i64 20, i64 0 }, ptr %a477
+  call void @finch_str_concat(ptr %a475, ptr %a476, ptr %a477)
+  store { ptr, i64, i64 } %t474, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  %t479 = load { ptr, i64, i64 }, ptr %a475
+  call void @finch.gen.endHelper(ptr %t468, %S.gen.Saved %t469, { ptr, i64, i64 } %t479)
+  store { ptr, i64, i64 } %t479, ptr %a480
+  call void @finch_str_drop(ptr %a480)
+  %t481 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t481
+}
+
+define internal void @finch.drop.S_gen_Val(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Val, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Val, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.gen.copyValue(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
@@ -26303,8 +29602,11 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca %S.ast.Type, align 16
   %a20 = alloca %S.ast.Type, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca %S.gen.Val, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -26312,14 +29614,14 @@ entry:
   %t5 = load %S.ast.Type, ptr %a3
   %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
   %t7 = xor i1 %t6, true
-  br i1 %t7, label %then2642, label %endif2644
-then2642:
+  br i1 %t7, label %then2699, label %endif2701
+then2699:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t8, ptr %a9
   call void @finch_str_copy(ptr %a10, ptr %a9)
   %t11 = load { ptr, i64, i64 }, ptr %a10
   ret { ptr, i64, i64 } %t11
-endif2644:
+endif2701:
   %t12 = load ptr, ptr %a1
   %t13 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t13, ptr %a14
@@ -26332,25 +29634,1149 @@ endif2644:
   %t21 = load %S.ast.Type, ptr %a20
   %t22 = insertvalue %S.gen.Val %t17, %S.ast.Type %t21, 1
   %t23 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t12, %S.gen.Val %t22)
-  store { ptr, i64, i64 } %t23, ptr %a24
-  %t25 = load ptr, ptr %a1
+  store %S.gen.Val %t22, ptr %a24
+  call void @finch.drop.S_gen_Val(ptr %a24)
+  store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = load ptr, ptr %a1
-  %t27 = load %S.ast.Type, ptr %a3
-  %t28 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t26, %S.ast.Type %t27)
-  %t29 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t25, { ptr, i64, i64 } %t28)
-  store { ptr, i64, i64 } %t29, ptr %a30
-  %t31 = load ptr, ptr %a1
-  %t32 = load { ptr, i64, i64 }, ptr %a30
-  %t33 = load { ptr, i64, i64 }, ptr %a24
-  %t34 = load %S.ast.Type, ptr %a3
-  call void @finch.gen.copyAt(ptr %t31, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33, %S.ast.Type %t34)
+  %t27 = load ptr, ptr %a1
+  %t28 = load %S.ast.Type, ptr %a3
+  %t29 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t27, %S.ast.Type %t28)
+  %t30 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t26, { ptr, i64, i64 } %t29)
+  store { ptr, i64, i64 } %t29, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  %t33 = load ptr, ptr %a1
+  %t34 = load { ptr, i64, i64 }, ptr %a32
+  %t35 = load { ptr, i64, i64 }, ptr %a25
+  %t36 = load %S.ast.Type, ptr %a3
+  call void @finch.gen.copyAt(ptr %t33, { ptr, i64, i64 } %t34, { ptr, i64, i64 } %t35, %S.ast.Type %t36)
+  %t37 = load ptr, ptr %a1
+  %t38 = load ptr, ptr %a1
+  %t39 = load %S.ast.Type, ptr %a3
+  %t40 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t38, %S.ast.Type %t39)
+  %t41 = load { ptr, i64, i64 }, ptr %a32
+  %t42 = call { ptr, i64, i64 } @finch.gen.load(ptr %t37, { ptr, i64, i64 } %t40, { ptr, i64, i64 } %t41)
+  store { ptr, i64, i64 } %t40, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  call void @finch_str_drop(ptr %a32)
+  call void @finch_str_drop(ptr %a25)
+  ret { ptr, i64, i64 } %t42
+}
+
+define internal void @finch.gen.dropAt(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  %t4 = load ptr, ptr %a1
+  %t5 = load %S.ast.Type, ptr %a3
+  %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
+  %t7 = xor i1 %t6, true
+  br i1 %t7, label %then2702, label %endif2704
+then2702:
+  ret void
+endif2704:
+  %t8 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t9 = load { ptr, i64, i64 }, ptr %t8
+  store { ptr, i64, i64 } %t9, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1620, i64 3, i64 0 }, ptr %a11
+  %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
+  %t13 = icmp ne i32 %t12, 0
+  br i1 %t13, label %then2705, label %else2706
+then2705:
+  %t14 = load ptr, ptr %a1
+  %t15 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1621, i64 30, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t19, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.1622, i64 1, i64 0 }, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  call void @finch.gen.emit(ptr %t14, { ptr, i64, i64 } %t24)
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  br label %endif2707
+else2706:
+  %t26 = load ptr, ptr %a1
+  %t27 = load ptr, ptr %a1
+  %t28 = load %S.ast.Type, ptr %a3
+  %t29 = call { ptr, i64, i64 } @finch.gen.dropFn(ptr %t27, %S.ast.Type %t28)
+  store { ptr, i64, i64 } { ptr @.str.1623, i64 10, i64 0 }, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  store { ptr, i64, i64 } %t34, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.1624, i64 5, i64 0 }, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  %t40 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t39, ptr %a42
+  store { ptr, i64, i64 } %t40, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t39, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t45, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.1625, i64 1, i64 0 }, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t45, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  call void @finch.gen.emit(ptr %t26, { ptr, i64, i64 } %t50)
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %endif2707
+endif2707:
+  ret void
+}
+
+define internal void @finch.gen.dropValue(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca %S.ast.Type, align 16
+  %a16 = alloca %S.ast.Type, align 16
+  %a20 = alloca %S.gen.Val, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  %t4 = load ptr, ptr %a1
+  %t5 = load %S.ast.Type, ptr %a3
+  %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
+  br i1 %t6, label %then2708, label %endif2710
+then2708:
+  %t7 = load ptr, ptr %a1
+  %t8 = load ptr, ptr %a1
+  %t9 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t9, ptr %a10
+  call void @finch_str_copy(ptr %a11, ptr %a10)
+  %t12 = load { ptr, i64, i64 }, ptr %a11
+  %t13 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t12, 0
+  %t14 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t14, ptr %a15
+  call void @finch.copy.S_ast_Type(ptr %a16, ptr %a15)
+  %t17 = load %S.ast.Type, ptr %a16
+  %t18 = insertvalue %S.gen.Val %t13, %S.ast.Type %t17, 1
+  %t19 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t8, %S.gen.Val %t18)
+  store %S.gen.Val %t18, ptr %a20
+  call void @finch.drop.S_gen_Val(ptr %a20)
+  %t21 = load %S.ast.Type, ptr %a3
+  call void @finch.gen.dropAt(ptr %t7, { ptr, i64, i64 } %t19, %S.ast.Type %t21)
+  store { ptr, i64, i64 } %t19, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  br label %endif2710
+endif2710:
+  ret void
+}
+
+define internal void @finch.gen.release(ptr %p0, %S.gen.Val %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.gen.Val, align 16
+  store ptr %p0, ptr %a1
+  store %S.gen.Val %p1, ptr %a2
+  %t3 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 2
+  %t4 = load i1, ptr %t3
+  br label %logic.from2711
+logic.from2711:
+  br i1 %t4, label %logic.rhs2712, label %logic.end2713
+logic.rhs2712:
+  %t5 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  %t8 = icmp sgt i64 %t7, 0
+  br label %logic.rend2714
+logic.rend2714:
+  br label %logic.end2713
+logic.end2713:
+  %t9 = phi i1 [ false, %logic.from2711 ], [ %t8, %logic.rend2714 ]
+  br label %logic.from2715
+logic.from2715:
+  br i1 %t9, label %logic.rhs2716, label %logic.end2717
+logic.rhs2716:
+  %t10 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t11 = load { ptr, i64, i64 }, ptr %t10
+  %t12 = call i1 @finch.gen.isConstant({ ptr, i64, i64 } %t11)
+  %t13 = xor i1 %t12, true
+  br label %logic.rend2718
+logic.rend2718:
+  br label %logic.end2717
+logic.end2717:
+  %t14 = phi i1 [ false, %logic.from2715 ], [ %t13, %logic.rend2718 ]
+  br label %logic.from2719
+logic.from2719:
+  br i1 %t14, label %logic.rhs2720, label %logic.end2721
+logic.rhs2720:
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t17 = load %S.ast.Type, ptr %t16
+  %t18 = call i1 @finch.gen.owning(ptr %t15, %S.ast.Type %t17)
+  br label %logic.rend2722
+logic.rend2722:
+  br label %logic.end2721
+logic.end2721:
+  %t19 = phi i1 [ false, %logic.from2719 ], [ %t18, %logic.rend2722 ]
+  br i1 %t19, label %then2723, label %endif2725
+then2723:
+  %t20 = load ptr, ptr %a1
+  %t21 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t22 = load { ptr, i64, i64 }, ptr %t21
+  %t23 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t24 = load %S.ast.Type, ptr %t23
+  call void @finch.gen.dropValue(ptr %t20, { ptr, i64, i64 } %t22, %S.ast.Type %t24)
+  br label %endif2725
+endif2725:
+  ret void
+}
+
+define internal i1 @finch.gen.isConstant({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.1627, i64 1, i64 0 }, ptr %a5
+  %t6 = call i32 @finch_str_starts(ptr %a3, ptr %a5)
+  %t7 = icmp ne i32 %t6, 0
+  %t8 = xor i1 %t7, true
+  ret i1 %t8
+}
+
+define internal { ptr, i64, i64 } @finch.gen.dropFn(ptr %p0, %S.ast.Type %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.ast.Type, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.ast.Type, align 16
+  %a47 = alloca %S.ast.Type, align 16
+  %a49 = alloca %S.ast.Type, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.ast.Type, align 16
+  %a127 = alloca %S.ast.Type, align 16
+  %a135 = alloca %S.ast.Type, align 16
+  %a136 = alloca %S.ast.Type, align 16
+  %a138 = alloca %S.ast.Type, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca %S.gen.StructDef, align 16
+  %a249 = alloca %S.gen.StructDef, align 16
+  %a251 = alloca %S.gen.StructDef, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca i64, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store %S.ast.Type %p1, ptr %a2
+  %t3 = load %S.ast.Type, ptr %a2
+  %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
+  store { ptr, i64, i64 } { ptr @.str.1628, i64 12, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } %t4, ptr %a7
+  call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic2726, label %ok2727
+panic2726:
+  call void @finch_panic(ptr @.str.1629, i64 904, ptr @.str.1630)
+  unreachable
+ok2727:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then2728, label %endif2730
+then2728:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif2730:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic2731, label %ok2732
+panic2731:
+  call void @finch_panic(ptr @.str.1631, i64 907, ptr @.str.1632)
+  unreachable
+ok2732:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1633, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then2733, label %else2734
+then2733:
+  %t39 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
+  %t42 = icmp uge i64 0, %t41
+  br i1 %t42, label %range2736, label %inrange2737
+range2736:
+  call void @finch_panic_index(ptr @.str.1634, i64 910, i64 0, i64 %t41)
+  unreachable
+inrange2737:
+  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
+  %t44 = getelementptr inbounds %S.ast.Type, ptr %t43, i64 0
+  %t45 = load %S.ast.Type, ptr %t44
+  store %S.ast.Type %t45, ptr %a46
+  call void @finch.copy.S_ast_Type(ptr %a47, ptr %a46)
+  %t48 = load %S.ast.Type, ptr %a47
+  store %S.ast.Type %t48, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = load %S.ast.Type, ptr %a49
+  %t52 = call i1 @finch.gen.owning(ptr %t50, %S.ast.Type %t51)
+  br i1 %t52, label %then2738, label %endif2740
+then2738:
+  %t53 = load ptr, ptr %a1
+  %t54 = call { ptr, i64, i64 } @finch.gen.load(ptr %t53, { ptr, i64, i64 } { ptr @.str.1635, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1636, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t54, ptr %a55
+  %t56 = load ptr, ptr %a1
+  %t57 = load ptr, ptr %a1
+  %t58 = call { ptr, i64, i64 } @finch.gen.op(ptr %t57, { ptr, i64, i64 } { ptr @.str.1638, i64 62, i64 0 })
+  %t59 = call { ptr, i64, i64 } @finch.gen.load(ptr %t56, { ptr, i64, i64 } { ptr @.str.1637, i64 3, i64 0 }, { ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  store { ptr, i64, i64 } %t59, ptr %a61
+  %t62 = load ptr, ptr %a1
+  %t63 = load { ptr, i64, i64 }, ptr %a61
+  %t64 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t62, { ptr, i64, i64 } %t63)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = load ptr, ptr %a1
+  %t67 = load ptr, ptr %a1
+  %t68 = load %S.ast.Type, ptr %a49
+  %t69 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t67, %S.ast.Type %t68)
+  store { ptr, i64, i64 } { ptr @.str.1639, i64 23, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.1640, i64 6, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  %t80 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t79, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t79, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.1641, i64 6, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = load { ptr, i64, i64 }, ptr %a65
+  %t92 = extractvalue { ptr, i64, i64 } %t91, 1
+  %t93 = icmp uge i64 3, %t92
+  br i1 %t93, label %range2741, label %inrange2742
+range2741:
+  call void @finch_panic_index(ptr @.str.1642, i64 915, i64 3, i64 %t92)
+  unreachable
+inrange2742:
+  %t94 = extractvalue { ptr, i64, i64 } %t91, 0
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i64 3
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } %t90, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  store { ptr, i64, i64 } %t90, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a97
+  %t102 = call { ptr, i64, i64 } @finch.gen.op(ptr %t66, { ptr, i64, i64 } %t101)
+  store { ptr, i64, i64 } %t101, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  store { ptr, i64, i64 } %t102, ptr %a104
+  %t105 = load ptr, ptr %a1
+  %t106 = load { ptr, i64, i64 }, ptr %a104
+  %t107 = load %S.ast.Type, ptr %a49
+  call void @finch.gen.dropAt(ptr %t105, { ptr, i64, i64 } %t106, %S.ast.Type %t107)
+  %t108 = load ptr, ptr %a1
+  %t109 = load { ptr, i64, i64 }, ptr %a65
+  call void @finch.gen.loopEnd(ptr %t108, { ptr, i64, i64 } %t109)
+  call void @finch_str_drop(ptr %a104)
+  call void @finch.drop.arr_str(ptr %a65)
+  call void @finch_str_drop(ptr %a61)
+  call void @finch_str_drop(ptr %a55)
+  br label %endif2740
+endif2740:
+  %t110 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t110, { ptr, i64, i64 } { ptr @.str.1643, i64 33, i64 0 })
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  br label %endif2735
+else2734:
+  %t111 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t112, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.1644, i64 3, i64 0 }, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br i1 %t116, label %then2743, label %else2744
+then2743:
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
+  %t120 = icmp uge i64 0, %t119
+  br i1 %t120, label %range2746, label %inrange2747
+range2746:
+  call void @finch_panic_index(ptr @.str.1645, i64 921, i64 0, i64 %t119)
+  unreachable
+inrange2747:
+  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
+  %t122 = getelementptr inbounds %S.ast.Type, ptr %t121, i64 0
+  %t123 = load %S.ast.Type, ptr %t122
+  store %S.ast.Type %t123, ptr %a124
+  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
+  %t126 = load %S.ast.Type, ptr %a125
+  store %S.ast.Type %t126, ptr %a127
+  %t128 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  %t130 = extractvalue { ptr, i64, i64 } %t129, 1
+  %t131 = icmp uge i64 1, %t130
+  br i1 %t131, label %range2748, label %inrange2749
+range2748:
+  call void @finch_panic_index(ptr @.str.1646, i64 922, i64 1, i64 %t130)
+  unreachable
+inrange2749:
+  %t132 = extractvalue { ptr, i64, i64 } %t129, 0
+  %t133 = getelementptr inbounds %S.ast.Type, ptr %t132, i64 1
+  %t134 = load %S.ast.Type, ptr %t133
+  store %S.ast.Type %t134, ptr %a135
+  call void @finch.copy.S_ast_Type(ptr %a136, ptr %a135)
+  %t137 = load %S.ast.Type, ptr %a136
+  store %S.ast.Type %t137, ptr %a138
+  %t139 = load ptr, ptr %a1
+  %t140 = load %S.ast.Type, ptr %a127
+  %t141 = call i1 @finch.gen.owning(ptr %t139, %S.ast.Type %t140)
+  br label %logic.from2750
+logic.from2750:
+  br i1 %t141, label %logic.end2752, label %logic.rhs2751
+logic.rhs2751:
+  %t142 = load ptr, ptr %a1
+  %t143 = load %S.ast.Type, ptr %a138
+  %t144 = call i1 @finch.gen.owning(ptr %t142, %S.ast.Type %t143)
+  br label %logic.rend2753
+logic.rend2753:
+  br label %logic.end2752
+logic.end2752:
+  %t145 = phi i1 [ true, %logic.from2750 ], [ %t144, %logic.rend2753 ]
+  br i1 %t145, label %then2754, label %endif2756
+then2754:
+  %t146 = load ptr, ptr %a1
+  %t147 = load ptr, ptr %a1
+  %t148 = load ptr, ptr %a1
+  %t149 = load %S.ast.Type, ptr %a2
+  %t150 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t148, %S.ast.Type %t149)
+  store { ptr, i64, i64 } { ptr @.str.1648, i64 23, i64 0 }, ptr %a152
+  store { ptr, i64, i64 } %t150, ptr %a153
+  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  store { ptr, i64, i64 } %t155, ptr %a157
+  store { ptr, i64, i64 } { ptr @.str.1649, i64 22, i64 0 }, ptr %a158
+  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
+  store { ptr, i64, i64 } %t155, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a156
+  %t161 = call { ptr, i64, i64 } @finch.gen.op(ptr %t147, { ptr, i64, i64 } %t160)
+  store { ptr, i64, i64 } %t160, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = call { ptr, i64, i64 } @finch.gen.load(ptr %t146, { ptr, i64, i64 } { ptr @.str.1647, i64 3, i64 0 }, { ptr, i64, i64 } %t161)
+  store { ptr, i64, i64 } %t161, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  store { ptr, i64, i64 } %t163, ptr %a165
+  %t166 = load ptr, ptr %a1
+  %t167 = load { ptr, i64, i64 }, ptr %a165
+  %t168 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t166, { ptr, i64, i64 } %t167)
+  store { ptr, i64, i64 } %t168, ptr %a169
+  %t170 = load ptr, ptr %a1
+  %t171 = load %S.ast.Type, ptr %a2
+  %t172 = load { ptr, i64, i64 }, ptr %a169
+  %t173 = extractvalue { ptr, i64, i64 } %t172, 1
+  %t174 = icmp uge i64 3, %t173
+  br i1 %t174, label %range2757, label %inrange2758
+range2757:
+  call void @finch_panic_index(ptr @.str.1651, i64 926, i64 3, i64 %t173)
+  unreachable
+inrange2758:
+  %t175 = extractvalue { ptr, i64, i64 } %t172, 0
+  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t175, i64 3
+  %t177 = load { ptr, i64, i64 }, ptr %t176
+  %t178 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t170, { ptr, i64, i64 } { ptr @.str.1650, i64 2, i64 0 }, %S.ast.Type %t171, { ptr, i64, i64 } %t177)
+  store { ptr, i64, i64 } %t178, ptr %a179
+  %t180 = load ptr, ptr %a1
+  %t181 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t180, { ptr, i64, i64 } { ptr @.str.1652, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t181, ptr %a182
+  %t183 = load ptr, ptr %a1
+  %t184 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t183, { ptr, i64, i64 } { ptr @.str.1653, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t184, ptr %a185
+  %t186 = load ptr, ptr %a1
+  %t187 = load ptr, ptr %a1
+  %t188 = load ptr, ptr %a1
+  %t189 = load ptr, ptr %a1
+  %t190 = load { ptr, i64, i64 }, ptr %a179
+  %t191 = load %S.ast.Type, ptr %a2
+  %t192 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t189, { ptr, i64, i64 } %t190, %S.ast.Type %t191, i64 0)
+  %t193 = call { ptr, i64, i64 } @finch.gen.load(ptr %t188, { ptr, i64, i64 } { ptr @.str.1655, i64 3, i64 0 }, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  store { ptr, i64, i64 } { ptr @.str.1654, i64 12, i64 0 }, ptr %a196
+  store { ptr, i64, i64 } %t193, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t193, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  store { ptr, i64, i64 } %t199, ptr %a201
+  store { ptr, i64, i64 } { ptr @.str.1656, i64 3, i64 0 }, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t199, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  %t204 = load { ptr, i64, i64 }, ptr %a200
+  %t205 = call { ptr, i64, i64 } @finch.gen.op(ptr %t187, { ptr, i64, i64 } %t204)
+  store { ptr, i64, i64 } %t204, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a182
+  %t208 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.condBr(ptr %t186, { ptr, i64, i64 } %t205, { ptr, i64, i64 } %t207, { ptr, i64, i64 } %t208)
+  store { ptr, i64, i64 } %t205, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load ptr, ptr %a1
+  %t211 = load { ptr, i64, i64 }, ptr %a182
+  call void @finch.gen.label(ptr %t210, { ptr, i64, i64 } %t211)
+  %t212 = load ptr, ptr %a1
+  %t213 = load ptr, ptr %a1
+  %t214 = load { ptr, i64, i64 }, ptr %a179
+  %t215 = load %S.ast.Type, ptr %a2
+  %t216 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t213, { ptr, i64, i64 } %t214, %S.ast.Type %t215, i64 1)
+  %t217 = load %S.ast.Type, ptr %a127
+  call void @finch.gen.dropAt(ptr %t212, { ptr, i64, i64 } %t216, %S.ast.Type %t217)
+  store { ptr, i64, i64 } %t216, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  %t219 = load ptr, ptr %a1
+  %t220 = load ptr, ptr %a1
+  %t221 = load { ptr, i64, i64 }, ptr %a179
+  %t222 = load %S.ast.Type, ptr %a2
+  %t223 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t220, { ptr, i64, i64 } %t221, %S.ast.Type %t222, i64 2)
+  %t224 = load %S.ast.Type, ptr %a138
+  call void @finch.gen.dropAt(ptr %t219, { ptr, i64, i64 } %t223, %S.ast.Type %t224)
+  store { ptr, i64, i64 } %t223, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load ptr, ptr %a1
+  %t227 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.br(ptr %t226, { ptr, i64, i64 } %t227)
+  %t228 = load ptr, ptr %a1
+  %t229 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.label(ptr %t228, { ptr, i64, i64 } %t229)
+  %t230 = load ptr, ptr %a1
+  %t231 = load { ptr, i64, i64 }, ptr %a169
+  call void @finch.gen.loopEnd(ptr %t230, { ptr, i64, i64 } %t231)
+  call void @finch_str_drop(ptr %a185)
+  call void @finch_str_drop(ptr %a182)
+  call void @finch_str_drop(ptr %a179)
+  call void @finch.drop.arr_str(ptr %a169)
+  call void @finch_str_drop(ptr %a165)
+  br label %endif2756
+endif2756:
+  %t232 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t232, { ptr, i64, i64 } { ptr @.str.1657, i64 33, i64 0 })
+  call void @finch.drop.S_ast_Type(ptr %a138)
+  call void @finch.drop.S_ast_Type(ptr %a127)
+  br label %endif2745
+else2744:
+  %t233 = load ptr, ptr %a1
+  %t234 = icmp eq ptr %t233, null
+  br i1 %t234, label %panic2759, label %ok2760
+panic2759:
+  call void @finch_panic(ptr @.str.1658, i64 939, ptr @.str.1659)
+  unreachable
+ok2760:
+  %t235 = getelementptr inbounds %S.gen.Gen, ptr %t233, i32 0, i32 16
+  %t236 = load ptr, ptr %a1
+  %t237 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  %t239 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = call i64 @finch.gen.findStruct(ptr %t236, { ptr, i64, i64 } %t238, { ptr, i64, i64 } %t240)
+  %t242 = load { ptr, i64, i64 }, ptr %t235
+  %t243 = extractvalue { ptr, i64, i64 } %t242, 1
+  %t244 = icmp uge i64 %t241, %t243
+  br i1 %t244, label %range2761, label %inrange2762
+range2761:
+  call void @finch_panic_index(ptr @.str.1660, i64 939, i64 %t241, i64 %t243)
+  unreachable
+inrange2762:
+  %t245 = extractvalue { ptr, i64, i64 } %t242, 0
+  %t246 = getelementptr inbounds %S.gen.StructDef, ptr %t245, i64 %t241
+  %t247 = load %S.gen.StructDef, ptr %t246
+  store %S.gen.StructDef %t247, ptr %a248
+  call void @finch.copy.S_gen_StructDef(ptr %a249, ptr %a248)
+  %t250 = load %S.gen.StructDef, ptr %a249
+  store %S.gen.StructDef %t250, ptr %a251
+  %t252 = load ptr, ptr %a1
+  %t253 = load %S.ast.Type, ptr %a2
+  %t254 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t252, %S.ast.Type %t253)
+  store { ptr, i64, i64 } %t254, ptr %a255
+  %t256 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 12
+  %t257 = getelementptr inbounds { ptr, i64, i64 }, ptr %t256, i32 0, i32 1
+  %t258 = load i64, ptr %t257
+  store i64 0, ptr %a259
+  br label %for.cond2763
+for.cond2763:
+  %t260 = load i64, ptr %a259
+  %t261 = icmp slt i64 %t260, %t258
+  br i1 %t261, label %for.body2764, label %for.end2766
+for.body2764:
+  %t262 = load ptr, ptr %a1
+  %t263 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 12
+  %t264 = load i64, ptr %a259
+  %t265 = load { ptr, i64, i64 }, ptr %t263
+  %t266 = extractvalue { ptr, i64, i64 } %t265, 1
+  %t267 = icmp uge i64 %t264, %t266
+  br i1 %t267, label %range2767, label %inrange2768
+range2767:
+  call void @finch_panic_index(ptr @.str.1661, i64 942, i64 %t264, i64 %t266)
+  unreachable
+inrange2768:
+  %t268 = extractvalue { ptr, i64, i64 } %t265, 0
+  %t269 = getelementptr inbounds %S.ast.Type, ptr %t268, i64 %t264
+  %t270 = load %S.ast.Type, ptr %t269
+  %t271 = call i1 @finch.gen.owning(ptr %t262, %S.ast.Type %t270)
+  br i1 %t271, label %then2769, label %endif2771
+then2769:
+  %t272 = load ptr, ptr %a1
+  %t273 = load ptr, ptr %a1
+  %t274 = load { ptr, i64, i64 }, ptr %a255
+  store { ptr, i64, i64 } { ptr @.str.1662, i64 23, i64 0 }, ptr %a276
+  store { ptr, i64, i64 } %t274, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a275
+  store { ptr, i64, i64 } %t278, ptr %a280
+  store { ptr, i64, i64 } { ptr @.str.1663, i64 21, i64 0 }, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  %t284 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 3
+  %t285 = load i64, ptr %a259
+  %t286 = load { ptr, i64, i64 }, ptr %t284
+  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
+  %t288 = icmp uge i64 %t285, %t287
+  br i1 %t288, label %range2772, label %inrange2773
+range2772:
+  call void @finch_panic_index(ptr @.str.1664, i64 943, i64 %t285, i64 %t287)
+  unreachable
+inrange2773:
+  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
+  %t290 = getelementptr inbounds i64, ptr %t289, i64 %t285
+  %t291 = load i64, ptr %t290
+  call void @finch_str_from_int(ptr %a292, i64 %t291)
+  %t293 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t283, ptr %a295
+  store { ptr, i64, i64 } %t293, ptr %a296
+  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
+  store { ptr, i64, i64 } %t283, ptr %a297
+  call void @finch_str_drop(ptr %a297)
+  store { ptr, i64, i64 } %t293, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a294
+  %t300 = call { ptr, i64, i64 } @finch.gen.op(ptr %t273, { ptr, i64, i64 } %t299)
+  store { ptr, i64, i64 } %t299, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = getelementptr inbounds %S.gen.StructDef, ptr %a251, i32 0, i32 12
+  %t303 = load i64, ptr %a259
+  %t304 = load { ptr, i64, i64 }, ptr %t302
+  %t305 = extractvalue { ptr, i64, i64 } %t304, 1
+  %t306 = icmp uge i64 %t303, %t305
+  br i1 %t306, label %range2774, label %inrange2775
+range2774:
+  call void @finch_panic_index(ptr @.str.1665, i64 943, i64 %t303, i64 %t305)
+  unreachable
+inrange2775:
+  %t307 = extractvalue { ptr, i64, i64 } %t304, 0
+  %t308 = getelementptr inbounds %S.ast.Type, ptr %t307, i64 %t303
+  %t309 = load %S.ast.Type, ptr %t308
+  call void @finch.gen.dropAt(ptr %t272, { ptr, i64, i64 } %t300, %S.ast.Type %t309)
+  store { ptr, i64, i64 } %t300, ptr %a310
+  call void @finch_str_drop(ptr %a310)
+  br label %endif2771
+endif2771:
+  br label %for.step2765
+for.step2765:
+  %t311 = load i64, ptr %a259
+  %t312 = add i64 %t311, 1
+  store i64 %t312, ptr %a259
+  br label %for.cond2763
+for.end2766:
+  call void @finch_str_drop(ptr %a255)
+  call void @finch.drop.S_gen_StructDef(ptr %a251)
+  br label %endif2745
+endif2745:
+  br label %endif2735
+endif2735:
+  %t313 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t313, { ptr, i64, i64 } { ptr @.str.1666, i64 8, i64 0 })
+  %t314 = load ptr, ptr %a1
+  %t315 = load %S.gen.Saved, ptr %a32
+  %t316 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1667, i64 21, i64 0 }, ptr %a318
+  store { ptr, i64, i64 } %t316, ptr %a319
+  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a317
+  store { ptr, i64, i64 } %t320, ptr %a322
+  store { ptr, i64, i64 } { ptr @.str.1668, i64 8, i64 0 }, ptr %a323
+  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
+  store { ptr, i64, i64 } %t320, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  %t325 = load { ptr, i64, i64 }, ptr %a321
+  call void @finch.gen.endHelper(ptr %t314, %S.gen.Saved %t315, { ptr, i64, i64 } %t325)
+  store { ptr, i64, i64 } %t325, ptr %a326
+  call void @finch_str_drop(ptr %a326)
+  %t327 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t327
+}
+
+define internal void @finch.gen.hold(ptr %p0, %S.gen.Val %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.gen.Val, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.ast.Type, align 16
+  %a33 = alloca %S.ast.Type, align 16
+  store ptr %p0, ptr %a1
+  store %S.gen.Val %p1, ptr %a2
+  %t3 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 2
+  %t4 = load i1, ptr %t3
+  br label %logic.from2776
+logic.from2776:
+  br i1 %t4, label %logic.rhs2777, label %logic.end2778
+logic.rhs2777:
+  %t5 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  %t8 = icmp sgt i64 %t7, 0
+  br label %logic.rend2779
+logic.rend2779:
+  br label %logic.end2778
+logic.end2778:
+  %t9 = phi i1 [ false, %logic.from2776 ], [ %t8, %logic.rend2779 ]
+  br label %logic.from2780
+logic.from2780:
+  br i1 %t9, label %logic.rhs2781, label %logic.end2782
+logic.rhs2781:
+  %t10 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t11 = load { ptr, i64, i64 }, ptr %t10
+  %t12 = call i1 @finch.gen.isConstant({ ptr, i64, i64 } %t11)
+  %t13 = xor i1 %t12, true
+  br label %logic.rend2783
+logic.rend2783:
+  br label %logic.end2782
+logic.end2782:
+  %t14 = phi i1 [ false, %logic.from2780 ], [ %t13, %logic.rend2783 ]
+  br label %logic.from2784
+logic.from2784:
+  br i1 %t14, label %logic.rhs2785, label %logic.end2786
+logic.rhs2785:
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t17 = load %S.ast.Type, ptr %t16
+  %t18 = call i1 @finch.gen.owning(ptr %t15, %S.ast.Type %t17)
+  br label %logic.rend2787
+logic.rend2787:
+  br label %logic.end2786
+logic.end2786:
+  %t19 = phi i1 [ false, %logic.from2784 ], [ %t18, %logic.rend2787 ]
+  br i1 %t19, label %then2788, label %endif2790
+then2788:
+  %t20 = load ptr, ptr %a1
+  %t21 = icmp eq ptr %t20, null
+  br i1 %t21, label %panic2791, label %ok2792
+panic2791:
+  call void @finch_panic(ptr @.str.1669, i64 956, ptr @.str.1670)
+  unreachable
+ok2792:
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 11
+  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
+  %t24 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t25 = load { ptr, i64, i64 }, ptr %t24
+  store { ptr, i64, i64 } %t25, ptr %a26
+  call void @finch_str_copy(ptr %a27, ptr %a26)
+  %t28 = load { ptr, i64, i64 }, ptr %a27
+  %t29 = insertvalue %S.gen.Pending zeroinitializer, { ptr, i64, i64 } %t28, 0
+  %t30 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t31 = load %S.ast.Type, ptr %t30
+  store %S.ast.Type %t31, ptr %a32
+  call void @finch.copy.S_ast_Type(ptr %a33, ptr %a32)
+  %t34 = load %S.ast.Type, ptr %a33
+  %t35 = insertvalue %S.gen.Pending %t29, %S.ast.Type %t34, 1
+  %t36 = insertvalue %S.gen.Pending %t35, i1 false, 2
+  %t37 = load i64, ptr %t23
+  %t38 = add i64 %t37, 1
+  call void @finch_arr_reserve(ptr %t22, i64 %t38, i64 ptrtoint (ptr getelementptr (%S.gen.Pending, ptr null, i32 1) to i64))
+  %t39 = load ptr, ptr %t22
+  %t40 = getelementptr inbounds %S.gen.Pending, ptr %t39, i64 %t37
+  store %S.gen.Pending %t36, ptr %t40
+  store i64 %t38, ptr %t23
+  br label %endif2790
+endif2790:
+  ret void
+}
+
+define internal void @finch.gen.holdAddr(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca %S.ast.Type, align 16
+  %a18 = alloca %S.ast.Type, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  %t4 = load ptr, ptr %a1
+  %t5 = load %S.ast.Type, ptr %a3
+  %t6 = call i1 @finch.gen.owning(ptr %t4, %S.ast.Type %t5)
+  br i1 %t6, label %then2793, label %endif2795
+then2793:
+  %t7 = load ptr, ptr %a1
+  %t8 = icmp eq ptr %t7, null
+  br i1 %t8, label %panic2796, label %ok2797
+panic2796:
+  call void @finch_panic(ptr @.str.1671, i64 962, ptr @.str.1672)
+  unreachable
+ok2797:
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 11
+  %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
+  %t11 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t11, ptr %a12
+  call void @finch_str_copy(ptr %a13, ptr %a12)
+  %t14 = load { ptr, i64, i64 }, ptr %a13
+  %t15 = insertvalue %S.gen.Pending zeroinitializer, { ptr, i64, i64 } %t14, 0
+  %t16 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t16, ptr %a17
+  call void @finch.copy.S_ast_Type(ptr %a18, ptr %a17)
+  %t19 = load %S.ast.Type, ptr %a18
+  %t20 = insertvalue %S.gen.Pending %t15, %S.ast.Type %t19, 1
+  %t21 = insertvalue %S.gen.Pending %t20, i1 true, 2
+  %t22 = load i64, ptr %t10
+  %t23 = add i64 %t22, 1
+  call void @finch_arr_reserve(ptr %t9, i64 %t23, i64 ptrtoint (ptr getelementptr (%S.gen.Pending, ptr null, i32 1) to i64))
+  %t24 = load ptr, ptr %t9
+  %t25 = getelementptr inbounds %S.gen.Pending, ptr %t24, i64 %t22
+  store %S.gen.Pending %t21, ptr %t25
+  store i64 %t23, ptr %t10
+  br label %endif2795
+endif2795:
+  ret void
+}
+
+define internal void @finch.copy.S_gen_Pending(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.gen.Pending, ptr %src
+  store %S.gen.Pending %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.gen.Pending, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.gen.Pending, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Pending, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.gen.Pending, ptr %src, i32 0, i32 1
+  call void @finch.copy.S_ast_Type(ptr %t4, ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Pending(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Pending, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Pending, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
+}
+
+define internal void @finch.gen.dropPending(ptr %p0, i64 %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca i64, align 16
+  %a8 = alloca i64, align 16
+  %a24 = alloca %S.gen.Pending, align 16
+  %a25 = alloca %S.gen.Pending, align 16
+  %a27 = alloca %S.gen.Pending, align 16
+  store ptr %p0, ptr %a1
+  store i64 %p1, ptr %a2
+  %t3 = load ptr, ptr %a1
+  %t4 = icmp eq ptr %t3, null
+  br i1 %t4, label %panic2798, label %ok2799
+panic2798:
+  call void @finch_panic(ptr @.str.1673, i64 968, ptr @.str.1674)
+  unreachable
+ok2799:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 11
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  store i64 %t7, ptr %a8
+  br label %while.cond2800
+while.cond2800:
+  %t9 = load i64, ptr %a8
+  %t10 = load i64, ptr %a2
+  %t11 = icmp sgt i64 %t9, %t10
+  br i1 %t11, label %while.body2801, label %while.end2802
+while.body2801:
+  %t12 = load i64, ptr %a8
+  %t13 = sub i64 %t12, 1
+  store i64 %t13, ptr %a8
+  %t14 = load ptr, ptr %a1
+  %t15 = icmp eq ptr %t14, null
+  br i1 %t15, label %panic2803, label %ok2804
+panic2803:
+  call void @finch_panic(ptr @.str.1675, i64 971, ptr @.str.1676)
+  unreachable
+ok2804:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 11
+  %t17 = load i64, ptr %a8
+  %t18 = load { ptr, i64, i64 }, ptr %t16
+  %t19 = extractvalue { ptr, i64, i64 } %t18, 1
+  %t20 = icmp uge i64 %t17, %t19
+  br i1 %t20, label %range2805, label %inrange2806
+range2805:
+  call void @finch_panic_index(ptr @.str.1677, i64 971, i64 %t17, i64 %t19)
+  unreachable
+inrange2806:
+  %t21 = extractvalue { ptr, i64, i64 } %t18, 0
+  %t22 = getelementptr inbounds %S.gen.Pending, ptr %t21, i64 %t17
+  %t23 = load %S.gen.Pending, ptr %t22
+  store %S.gen.Pending %t23, ptr %a24
+  call void @finch.copy.S_gen_Pending(ptr %a25, ptr %a24)
+  %t26 = load %S.gen.Pending, ptr %a25
+  store %S.gen.Pending %t26, ptr %a27
+  %t28 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 2
+  %t29 = load i1, ptr %t28
+  br i1 %t29, label %then2807, label %else2808
+then2807:
+  %t30 = load ptr, ptr %a1
+  %t31 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 0
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  %t33 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 1
+  %t34 = load %S.ast.Type, ptr %t33
+  call void @finch.gen.dropAt(ptr %t30, { ptr, i64, i64 } %t32, %S.ast.Type %t34)
+  br label %endif2809
+else2808:
   %t35 = load ptr, ptr %a1
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Type, ptr %a3
-  %t38 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t36, %S.ast.Type %t37)
-  %t39 = load { ptr, i64, i64 }, ptr %a30
-  %t40 = call { ptr, i64, i64 } @finch.gen.load(ptr %t35, { ptr, i64, i64 } %t38, { ptr, i64, i64 } %t39)
-  ret { ptr, i64, i64 } %t40
+  %t36 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 0
+  %t37 = load { ptr, i64, i64 }, ptr %t36
+  %t38 = getelementptr inbounds %S.gen.Pending, ptr %a27, i32 0, i32 1
+  %t39 = load %S.ast.Type, ptr %t38
+  call void @finch.gen.dropValue(ptr %t35, { ptr, i64, i64 } %t37, %S.ast.Type %t39)
+  br label %endif2809
+endif2809:
+  call void @finch.drop.S_gen_Pending(ptr %a27)
+  br label %while.cond2800
+while.end2802:
+  ret void
+}
+
+define internal void @finch.gen.heldEnd(ptr %p0, i64 %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca i64, align 16
+  %a20 = alloca %S.gen.Pending, align 16
+  store ptr %p0, ptr %a1
+  store i64 %p1, ptr %a2
+  br label %while.cond2810
+while.cond2810:
+  %t3 = load ptr, ptr %a1
+  %t4 = icmp eq ptr %t3, null
+  br i1 %t4, label %panic2813, label %ok2814
+panic2813:
+  call void @finch_panic(ptr @.str.1678, i64 982, ptr @.str.1679)
+  unreachable
+ok2814:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 11
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
+  %t7 = load i64, ptr %t6
+  %t8 = load i64, ptr %a2
+  %t9 = icmp sgt i64 %t7, %t8
+  br i1 %t9, label %while.body2811, label %while.end2812
+while.body2811:
+  %t10 = load ptr, ptr %a1
+  %t11 = icmp eq ptr %t10, null
+  br i1 %t11, label %panic2815, label %ok2816
+panic2815:
+  call void @finch_panic(ptr @.str.1680, i64 983, ptr @.str.1681)
+  unreachable
+ok2816:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 11
+  %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
+  %t14 = load i64, ptr %t13
+  %t15 = icmp eq i64 %t14, 0
+  br i1 %t15, label %panic2817, label %ok2818
+panic2817:
+  call void @finch_panic(ptr @.str.1682, i64 983, ptr @.str.1683)
+  unreachable
+ok2818:
+  %t16 = sub i64 %t14, 1
+  %t17 = load ptr, ptr %t12
+  %t18 = getelementptr inbounds %S.gen.Pending, ptr %t17, i64 %t16
+  %t19 = load %S.gen.Pending, ptr %t18
+  store i64 %t16, ptr %t13
+  store %S.gen.Pending %t19, ptr %a20
+  call void @finch.drop.S_gen_Pending(ptr %a20)
+  br label %while.cond2810
+while.end2812:
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.gen.own(ptr %p0, %S.gen.Val %p1) {
@@ -26366,26 +30792,26 @@ entry:
   %t5 = load %S.ast.Type, ptr %t4
   %t6 = call i1 @finch.gen.owning(ptr %t3, %S.ast.Type %t5)
   %t7 = xor i1 %t6, true
-  br label %logic.from2645
-logic.from2645:
-  br i1 %t7, label %logic.end2647, label %logic.rhs2646
-logic.rhs2646:
+  br label %logic.from2819
+logic.from2819:
+  br i1 %t7, label %logic.end2821, label %logic.rhs2820
+logic.rhs2820:
   %t8 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 2
   %t9 = load i1, ptr %t8
-  br label %logic.rend2648
-logic.rend2648:
-  br label %logic.end2647
-logic.end2647:
-  %t10 = phi i1 [ true, %logic.from2645 ], [ %t9, %logic.rend2648 ]
-  br i1 %t10, label %then2649, label %endif2651
-then2649:
+  br label %logic.rend2822
+logic.rend2822:
+  br label %logic.end2821
+logic.end2821:
+  %t10 = phi i1 [ true, %logic.from2819 ], [ %t9, %logic.rend2822 ]
+  br i1 %t10, label %then2823, label %endif2825
+then2823:
   %t11 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
   call void @finch_str_copy(ptr %a14, ptr %a13)
   %t15 = load { ptr, i64, i64 }, ptr %a14
   ret { ptr, i64, i64 } %t15
-endif2651:
+endif2825:
   %t16 = load ptr, ptr %a1
   %t17 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
@@ -26406,18 +30832,23 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -26428,41 +30859,55 @@ entry:
   %t8 = load ptr, ptr %a1
   %t9 = call { ptr, i64, i64 } @finch.gen.tmpName(ptr %t8)
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1615, i64 0, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1684, i64 0, i64 0 }, ptr %a11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = icmp sgt i64 %t13, 0
-  br i1 %t14, label %then2652, label %endif2654
-then2652:
+  br i1 %t14, label %then2826, label %endif2828
+then2826:
   %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1616, i64 2, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1685, i64 2, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
   %t19 = load { ptr, i64, i64 }, ptr %a16
+  %t20 = load { ptr, i64, i64 }, ptr %a11
   store { ptr, i64, i64 } %t19, ptr %a11
-  br label %endif2654
-endif2654:
-  %t20 = load ptr, ptr %a1
-  %t21 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1617, i64 35, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } %t25, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  %t31 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t30, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1618, i64 1, i64 0 }, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  call void @finch.gen.emit(ptr %t20, { ptr, i64, i64 } %t39)
+  store { ptr, i64, i64 } %t20, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  br label %endif2828
+endif2828:
+  %t22 = load ptr, ptr %a1
+  %t23 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.1686, i64 35, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a24
+  %t28 = load { ptr, i64, i64 }, ptr %a7
+  store { ptr, i64, i64 } %t27, ptr %a30
+  store { ptr, i64, i64 } %t28, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t27, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t33, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1687, i64 1, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  call void @finch.gen.emit(ptr %t22, { ptr, i64, i64 } %t44)
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch_str_drop(ptr %a10)
+  call void @finch_str_drop(ptr %a7)
   ret void
 }
 
@@ -26476,85 +30921,115 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1619, i64 31, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1688, i64 31, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
   %t8 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.1620, i64 3, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.1689, i64 3, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
-  %t12 = load { ptr, i64, i64 }, ptr %a9
-  %t13 = call { ptr, i64, i64 } @finch.gen.op(ptr %t3, { ptr, i64, i64 } %t12)
-  store { ptr, i64, i64 } %t13, ptr %a14
-  %t15 = load ptr, ptr %a1
-  %t16 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.1621, i64 12, i64 0 }, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.1622, i64 6, i64 0 }, ptr %a23
-  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  %t25 = call { ptr, i64, i64 } @finch.gen.op(ptr %t15, { ptr, i64, i64 } %t24)
-  store { ptr, i64, i64 } %t25, ptr %a26
-  %t27 = load ptr, ptr %a1
-  %t28 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t27, { ptr, i64, i64 } { ptr @.str.1623, i64 0, i64 0 })
-  store { ptr, i64, i64 } %t28, ptr %a29
-  %t30 = load ptr, ptr %a1
-  %t31 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.1624, i64 10, i64 0 }, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1625, i64 6, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  %t13 = load { ptr, i64, i64 }, ptr %a9
+  %t14 = call { ptr, i64, i64 } @finch.gen.op(ptr %t3, { ptr, i64, i64 } %t13)
+  store { ptr, i64, i64 } %t13, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  store { ptr, i64, i64 } %t14, ptr %a16
+  %t17 = load ptr, ptr %a1
+  %t18 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.1690, i64 12, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } %t18, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t22, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1691, i64 6, i64 0 }, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  %t28 = call { ptr, i64, i64 } @finch.gen.op(ptr %t17, { ptr, i64, i64 } %t27)
+  store { ptr, i64, i64 } %t27, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  store { ptr, i64, i64 } %t28, ptr %a30
+  %t31 = load ptr, ptr %a1
+  %t32 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t31, { ptr, i64, i64 } { ptr @.str.1692, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t32, ptr %a33
+  %t34 = load ptr, ptr %a1
+  %t35 = load { ptr, i64, i64 }, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.1693, i64 10, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } %t35, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
   %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t39, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.1626, i64 6, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t48, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  %t54 = call { ptr, i64, i64 } @finch.gen.op(ptr %t30, { ptr, i64, i64 } %t53)
-  ret { ptr, i64, i64 } %t54
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.1694, i64 6, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t44, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t44, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.1695, i64 6, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = call { ptr, i64, i64 } @finch.gen.op(ptr %t34, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t61, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  call void @finch_str_drop(ptr %a33)
+  call void @finch_str_drop(ptr %a30)
+  call void @finch_str_drop(ptr %a16)
+  ret { ptr, i64, i64 } %t62
 }
 
 define internal void @finch.gen.emitPrint(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, i1 %p3) {
@@ -26566,118 +31041,155 @@ entry:
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca %S.ast.Type, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.ast.Type, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.ast.Type, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
   %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
   %a261 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -26690,340 +31202,427 @@ entry:
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load %S.ast.Type, ptr %a3
   %t12 = call i1 @finch.gen.isSigned(%S.ast.Type %t11)
-  br i1 %t12, label %then2655, label %else2656
-then2655:
+  br i1 %t12, label %then2829, label %else2830
+then2829:
   %t13 = load ptr, ptr %a1
   %t14 = load ptr, ptr %a1
   %t15 = load { ptr, i64, i64 }, ptr %a2
   %t16 = load %S.ast.Type, ptr %a3
-  %t17 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1629, i64 3, i64 0 })
+  %t17 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1698, i64 3, i64 0 })
   %t18 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t14, { ptr, i64, i64 } %t15, %S.ast.Type %t16, %S.ast.Type %t17)
-  store { ptr, i64, i64 } { ptr @.str.1628, i64 4, i64 0 }, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a21
-  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  call void @finch.gen.printf(ptr %t13, { ptr, i64, i64 } { ptr @.str.1627, i64 4, i64 0 }, { ptr, i64, i64 } %t22)
-  br label %endif2657
-else2656:
-  %t23 = load %S.ast.Type, ptr %a3
-  %t24 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t23)
-  br i1 %t24, label %then2658, label %else2659
-then2658:
-  %t25 = load ptr, ptr %a1
-  %t26 = load ptr, ptr %a1
-  %t27 = load { ptr, i64, i64 }, ptr %a2
-  %t28 = load %S.ast.Type, ptr %a3
-  %t29 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1632, i64 3, i64 0 })
-  %t30 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t26, { ptr, i64, i64 } %t27, %S.ast.Type %t28, %S.ast.Type %t29)
-  store { ptr, i64, i64 } { ptr @.str.1631, i64 4, i64 0 }, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  call void @finch.gen.printf(ptr %t25, { ptr, i64, i64 } { ptr @.str.1630, i64 4, i64 0 }, { ptr, i64, i64 } %t34)
-  br label %endif2660
-else2659:
-  %t35 = load %S.ast.Type, ptr %a3
-  %t36 = call i1 @finch.gen.isFloat(%S.ast.Type %t35)
-  br i1 %t36, label %then2661, label %else2662
-then2661:
-  %t37 = load ptr, ptr %a1
-  %t38 = load ptr, ptr %a1
-  %t39 = load { ptr, i64, i64 }, ptr %a2
-  %t40 = load %S.ast.Type, ptr %a3
-  %t41 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1635, i64 5, i64 0 })
-  %t42 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t38, { ptr, i64, i64 } %t39, %S.ast.Type %t40, %S.ast.Type %t41)
-  store { ptr, i64, i64 } { ptr @.str.1634, i64 7, i64 0 }, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.printf(ptr %t37, { ptr, i64, i64 } { ptr @.str.1633, i64 2, i64 0 }, { ptr, i64, i64 } %t46)
-  br label %endif2663
-else2662:
-  %t47 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.1636, i64 4, i64 0 }, ptr %a49
-  %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
-  %t51 = icmp ne i32 %t50, 0
-  br i1 %t51, label %then2664, label %else2665
-then2664:
-  %t52 = load ptr, ptr %a1
-  %t53 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1637, i64 8, i64 0 }, ptr %a55
-  store { ptr, i64, i64 } %t53, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t57, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.1638, i64 7, i64 0 }, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = call { ptr, i64, i64 } @finch.gen.op(ptr %t52, { ptr, i64, i64 } %t61)
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = load i1, ptr %a4
-  br i1 %t64, label %then2667, label %else2668
-then2667:
-  %t65 = load ptr, ptr %a1
+  store %S.ast.Type %t17, ptr %a19
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  store { ptr, i64, i64 } { ptr @.str.1697, i64 4, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } %t18, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  call void @finch.gen.printf(ptr %t13, { ptr, i64, i64 } { ptr @.str.1696, i64 4, i64 0 }, { ptr, i64, i64 } %t24)
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  br label %endif2831
+else2830:
+  %t26 = load %S.ast.Type, ptr %a3
+  %t27 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t26)
+  br i1 %t27, label %then2832, label %else2833
+then2832:
+  %t28 = load ptr, ptr %a1
+  %t29 = load ptr, ptr %a1
+  %t30 = load { ptr, i64, i64 }, ptr %a2
+  %t31 = load %S.ast.Type, ptr %a3
+  %t32 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1701, i64 3, i64 0 })
+  %t33 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t29, { ptr, i64, i64 } %t30, %S.ast.Type %t31, %S.ast.Type %t32)
+  store %S.ast.Type %t32, ptr %a34
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  store { ptr, i64, i64 } { ptr @.str.1700, i64 4, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  call void @finch.gen.printf(ptr %t28, { ptr, i64, i64 } { ptr @.str.1699, i64 4, i64 0 }, { ptr, i64, i64 } %t39)
+  store { ptr, i64, i64 } %t39, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  br label %endif2834
+else2833:
+  %t41 = load %S.ast.Type, ptr %a3
+  %t42 = call i1 @finch.gen.isFloat(%S.ast.Type %t41)
+  br i1 %t42, label %then2835, label %else2836
+then2835:
+  %t43 = load ptr, ptr %a1
+  %t44 = load ptr, ptr %a1
+  %t45 = load { ptr, i64, i64 }, ptr %a2
+  %t46 = load %S.ast.Type, ptr %a3
+  %t47 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1704, i64 5, i64 0 })
+  %t48 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t44, { ptr, i64, i64 } %t45, %S.ast.Type %t46, %S.ast.Type %t47)
+  store %S.ast.Type %t47, ptr %a49
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  store { ptr, i64, i64 } { ptr @.str.1703, i64 7, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  call void @finch.gen.printf(ptr %t43, { ptr, i64, i64 } { ptr @.str.1702, i64 2, i64 0 }, { ptr, i64, i64 } %t54)
+  store { ptr, i64, i64 } %t54, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  br label %endif2837
+else2836:
+  %t56 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t56, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.1705, i64 4, i64 0 }, ptr %a58
+  %t59 = call i32 @finch_str_eq(ptr %a57, ptr %a58)
+  %t60 = icmp ne i32 %t59, 0
+  br i1 %t60, label %then2838, label %else2839
+then2838:
+  %t61 = load ptr, ptr %a1
+  %t62 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1706, i64 8, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
   %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1640, i64 4, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1707, i64 7, i64 0 }, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  call void @finch.gen.printf(ptr %t65, { ptr, i64, i64 } { ptr @.str.1639, i64 4, i64 0 }, { ptr, i64, i64 } %t70)
-  br label %endif2669
-else2668:
-  %t71 = load ptr, ptr %a1
-  %t72 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.1642, i64 4, i64 0 }, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  call void @finch.gen.printf(ptr %t71, { ptr, i64, i64 } { ptr @.str.1641, i64 2, i64 0 }, { ptr, i64, i64 } %t76)
-  br label %endif2669
-endif2669:
-  br label %endif2666
-else2665:
-  %t77 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.1643, i64 4, i64 0 }, ptr %a79
-  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
-  %t81 = icmp ne i32 %t80, 0
-  br i1 %t81, label %then2670, label %else2671
-then2670:
-  %t82 = load ptr, ptr %a1
-  %t83 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t82, { ptr, i64, i64 } { ptr @.str.1644, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t83, ptr %a84
-  %t85 = load ptr, ptr %a1
-  %t86 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t85, { ptr, i64, i64 } { ptr @.str.1645, i64 5, i64 0 })
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = load ptr, ptr %a1
-  %t89 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1646, i64 10, i64 0 }, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.1647, i64 6, i64 0 }, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  %t98 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t97, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  store { ptr, i64, i64 } %t102, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.1648, i64 6, i64 0 }, ptr %a105
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = call { ptr, i64, i64 } @finch.gen.op(ptr %t61, { ptr, i64, i64 } %t71)
+  store { ptr, i64, i64 } %t71, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t72, ptr %a74
+  %t75 = load i1, ptr %a4
+  br i1 %t75, label %then2841, label %else2842
+then2841:
+  %t76 = load ptr, ptr %a1
+  %t77 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1709, i64 4, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  %t81 = load { ptr, i64, i64 }, ptr %a78
+  call void @finch.gen.printf(ptr %t76, { ptr, i64, i64 } { ptr @.str.1708, i64 4, i64 0 }, { ptr, i64, i64 } %t81)
+  store { ptr, i64, i64 } %t81, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  br label %endif2843
+else2842:
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1711, i64 4, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a85
+  call void @finch.gen.printf(ptr %t83, { ptr, i64, i64 } { ptr @.str.1710, i64 2, i64 0 }, { ptr, i64, i64 } %t88)
+  store { ptr, i64, i64 } %t88, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  br label %endif2843
+endif2843:
+  call void @finch_str_drop(ptr %a74)
+  br label %endif2840
+else2839:
+  %t90 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t90, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.1712, i64 4, i64 0 }, ptr %a92
+  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
+  %t94 = icmp ne i32 %t93, 0
+  br i1 %t94, label %then2844, label %else2845
+then2844:
+  %t95 = load ptr, ptr %a1
+  %t96 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t95, { ptr, i64, i64 } { ptr @.str.1713, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t96, ptr %a97
+  %t98 = load ptr, ptr %a1
+  %t99 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t98, { ptr, i64, i64 } { ptr @.str.1714, i64 5, i64 0 })
+  store { ptr, i64, i64 } %t99, ptr %a100
+  %t101 = load ptr, ptr %a1
+  %t102 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1715, i64 10, i64 0 }, ptr %a104
+  store { ptr, i64, i64 } %t102, ptr %a105
   call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
   %t106 = load { ptr, i64, i64 }, ptr %a103
-  %t107 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t106, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  %t112 = call { ptr, i64, i64 } @finch.gen.op(ptr %t88, { ptr, i64, i64 } %t111)
-  store { ptr, i64, i64 } %t112, ptr %a113
-  %t114 = load ptr, ptr %a1
-  %t115 = load { ptr, i64, i64 }, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.1650, i64 4, i64 0 }, ptr %a117
-  store { ptr, i64, i64 } %t115, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  call void @finch.gen.printf(ptr %t114, { ptr, i64, i64 } { ptr @.str.1649, i64 2, i64 0 }, { ptr, i64, i64 } %t119)
-  br label %endif2672
-else2671:
-  %t120 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t120, ptr %a121
-  store { ptr, i64, i64 } { ptr @.str.1651, i64 3, i64 0 }, ptr %a122
-  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
-  %t124 = icmp ne i32 %t123, 0
-  br i1 %t124, label %then2673, label %else2674
-then2673:
-  %t125 = load ptr, ptr %a1
-  %t126 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1652, i64 31, i64 0 }, ptr %a128
-  store { ptr, i64, i64 } %t126, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t130, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.1653, i64 3, i64 0 }, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  %t135 = call { ptr, i64, i64 } @finch.gen.op(ptr %t125, { ptr, i64, i64 } %t134)
-  store { ptr, i64, i64 } %t135, ptr %a136
-  %t137 = load ptr, ptr %a1
-  %t138 = load { ptr, i64, i64 }, ptr %a136
-  store { ptr, i64, i64 } { ptr @.str.1654, i64 10, i64 0 }, ptr %a140
-  store { ptr, i64, i64 } %t138, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  store { ptr, i64, i64 } %t142, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.1655, i64 7, i64 0 }, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  %t147 = call { ptr, i64, i64 } @finch.gen.op(ptr %t137, { ptr, i64, i64 } %t146)
-  store { ptr, i64, i64 } %t147, ptr %a148
-  %t149 = load ptr, ptr %a1
-  %t150 = load { ptr, i64, i64 }, ptr %a2
-  %t151 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t149, { ptr, i64, i64 } %t150)
-  store { ptr, i64, i64 } %t151, ptr %a152
-  %t153 = load i1, ptr %a4
-  br i1 %t153, label %then2676, label %else2677
-then2676:
-  %t154 = load ptr, ptr %a1
-  %t155 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.1657, i64 4, i64 0 }, ptr %a157
-  store { ptr, i64, i64 } %t155, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } %t159, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.1658, i64 6, i64 0 }, ptr %a162
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.1716, i64 6, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t111, ptr %a114
+  store { ptr, i64, i64 } %t112, ptr %a115
+  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
+  store { ptr, i64, i64 } %t111, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  %t117 = load { ptr, i64, i64 }, ptr %a113
+  store { ptr, i64, i64 } %t117, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.1717, i64 6, i64 0 }, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  %t123 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t122, ptr %a125
+  store { ptr, i64, i64 } %t123, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t122, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = call { ptr, i64, i64 } @finch.gen.op(ptr %t101, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t128, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  store { ptr, i64, i64 } %t129, ptr %a131
+  %t132 = load ptr, ptr %a1
+  %t133 = load { ptr, i64, i64 }, ptr %a131
+  store { ptr, i64, i64 } { ptr @.str.1719, i64 4, i64 0 }, ptr %a135
+  store { ptr, i64, i64 } %t133, ptr %a136
+  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a134
+  call void @finch.gen.printf(ptr %t132, { ptr, i64, i64 } { ptr @.str.1718, i64 2, i64 0 }, { ptr, i64, i64 } %t137)
+  store { ptr, i64, i64 } %t137, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  call void @finch_str_drop(ptr %a131)
+  call void @finch_str_drop(ptr %a100)
+  call void @finch_str_drop(ptr %a97)
+  br label %endif2846
+else2845:
+  %t139 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t139, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.1720, i64 3, i64 0 }, ptr %a141
+  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
+  %t143 = icmp ne i32 %t142, 0
+  br i1 %t143, label %then2847, label %else2848
+then2847:
+  %t144 = load ptr, ptr %a1
+  %t145 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1721, i64 31, i64 0 }, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  %t149 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t149, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.1722, i64 3, i64 0 }, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  store { ptr, i64, i64 } %t149, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  %t155 = call { ptr, i64, i64 } @finch.gen.op(ptr %t144, { ptr, i64, i64 } %t154)
+  store { ptr, i64, i64 } %t154, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  store { ptr, i64, i64 } %t155, ptr %a157
+  %t158 = load ptr, ptr %a1
+  %t159 = load { ptr, i64, i64 }, ptr %a157
+  store { ptr, i64, i64 } { ptr @.str.1723, i64 10, i64 0 }, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a162
   call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
   %t163 = load { ptr, i64, i64 }, ptr %a160
-  %t164 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } %t163, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
-  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  call void @finch.gen.printf(ptr %t154, { ptr, i64, i64 } { ptr @.str.1656, i64 6, i64 0 }, { ptr, i64, i64 } %t168)
-  br label %endif2678
-else2677:
-  %t169 = load ptr, ptr %a1
-  %t170 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.1660, i64 4, i64 0 }, ptr %a172
-  store { ptr, i64, i64 } %t170, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  store { ptr, i64, i64 } %t174, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.1661, i64 6, i64 0 }, ptr %a177
-  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  %t179 = load { ptr, i64, i64 }, ptr %a152
+  store { ptr, i64, i64 } %t163, ptr %a165
+  store { ptr, i64, i64 } { ptr @.str.1724, i64 7, i64 0 }, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t163, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  %t169 = call { ptr, i64, i64 } @finch.gen.op(ptr %t158, { ptr, i64, i64 } %t168)
+  store { ptr, i64, i64 } %t168, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  store { ptr, i64, i64 } %t169, ptr %a171
+  %t172 = load ptr, ptr %a1
+  %t173 = load { ptr, i64, i64 }, ptr %a2
+  %t174 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t172, { ptr, i64, i64 } %t173)
+  store { ptr, i64, i64 } %t174, ptr %a175
+  %t176 = load i1, ptr %a4
+  br i1 %t176, label %then2850, label %else2851
+then2850:
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.1726, i64 4, i64 0 }, ptr %a180
   store { ptr, i64, i64 } %t178, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  call void @finch.gen.printf(ptr %t169, { ptr, i64, i64 } { ptr @.str.1659, i64 4, i64 0 }, { ptr, i64, i64 } %t183)
-  br label %endif2678
-endif2678:
-  br label %endif2675
-else2674:
-  %t184 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t184, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.1662, i64 3, i64 0 }, ptr %a186
-  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
-  %t188 = icmp ne i32 %t187, 0
-  br i1 %t188, label %then2679, label %else2680
-then2679:
-  %t189 = load ptr, ptr %a1
-  %t190 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1663, i64 12, i64 0 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.1664, i64 6, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t189, { ptr, i64, i64 } %t198)
-  store { ptr, i64, i64 } %t199, ptr %a200
-  %t201 = load ptr, ptr %a1
-  %t202 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t201, { ptr, i64, i64 } { ptr @.str.1665, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t202, ptr %a203
-  %t204 = load ptr, ptr %a1
-  %t205 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t204, { ptr, i64, i64 } { ptr @.str.1666, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t205, ptr %a206
-  %t207 = load ptr, ptr %a1
-  %t208 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t207, { ptr, i64, i64 } { ptr @.str.1667, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load ptr, ptr %a1
-  %t211 = load { ptr, i64, i64 }, ptr %a200
-  %t212 = load { ptr, i64, i64 }, ptr %a203
-  %t213 = load { ptr, i64, i64 }, ptr %a206
-  call void @finch.gen.condBr(ptr %t210, { ptr, i64, i64 } %t211, { ptr, i64, i64 } %t212, { ptr, i64, i64 } %t213)
-  %t214 = load ptr, ptr %a1
-  %t215 = load { ptr, i64, i64 }, ptr %a203
-  call void @finch.gen.label(ptr %t214, { ptr, i64, i64 } %t215)
-  %t216 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t216, { ptr, i64, i64 } { ptr @.str.1668, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1669, i64 0, i64 0 })
-  %t217 = load ptr, ptr %a1
-  %t218 = load { ptr, i64, i64 }, ptr %a209
-  call void @finch.gen.br(ptr %t217, { ptr, i64, i64 } %t218)
-  %t219 = load ptr, ptr %a1
-  %t220 = load { ptr, i64, i64 }, ptr %a206
-  call void @finch.gen.label(ptr %t219, { ptr, i64, i64 } %t220)
-  %t221 = load ptr, ptr %a1
-  %t222 = load ptr, ptr %a1
-  %t223 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1672, i64 13, i64 0 }, ptr %a225
-  store { ptr, i64, i64 } %t223, ptr %a226
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.1727, i64 6, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = load { ptr, i64, i64 }, ptr %a175
+  store { ptr, i64, i64 } %t187, ptr %a190
+  store { ptr, i64, i64 } %t188, ptr %a191
+  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
+  store { ptr, i64, i64 } %t187, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch.gen.printf(ptr %t177, { ptr, i64, i64 } { ptr @.str.1725, i64 6, i64 0 }, { ptr, i64, i64 } %t193)
+  store { ptr, i64, i64 } %t193, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  br label %endif2852
+else2851:
+  %t195 = load ptr, ptr %a1
+  %t196 = load { ptr, i64, i64 }, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.1729, i64 4, i64 0 }, ptr %a198
+  store { ptr, i64, i64 } %t196, ptr %a199
+  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
+  %t200 = load { ptr, i64, i64 }, ptr %a197
+  store { ptr, i64, i64 } %t200, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.1730, i64 6, i64 0 }, ptr %a203
+  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
+  store { ptr, i64, i64 } %t200, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a201
+  %t206 = load { ptr, i64, i64 }, ptr %a175
+  store { ptr, i64, i64 } %t205, ptr %a208
+  store { ptr, i64, i64 } %t206, ptr %a209
+  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
+  store { ptr, i64, i64 } %t205, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  %t211 = load { ptr, i64, i64 }, ptr %a207
+  call void @finch.gen.printf(ptr %t195, { ptr, i64, i64 } { ptr @.str.1728, i64 4, i64 0 }, { ptr, i64, i64 } %t211)
+  store { ptr, i64, i64 } %t211, ptr %a212
+  call void @finch_str_drop(ptr %a212)
+  br label %endif2852
+endif2852:
+  call void @finch_str_drop(ptr %a175)
+  call void @finch_str_drop(ptr %a171)
+  call void @finch_str_drop(ptr %a157)
+  br label %endif2849
+else2848:
+  %t213 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.1731, i64 3, i64 0 }, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br i1 %t217, label %then2853, label %else2854
+then2853:
+  %t218 = load ptr, ptr %a1
+  %t219 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1732, i64 12, i64 0 }, ptr %a221
+  store { ptr, i64, i64 } %t219, ptr %a222
+  call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a220
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.1733, i64 6, i64 0 }, ptr %a226
   call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t227, ptr %a229
-  store { ptr, i64, i64 } { ptr @.str.1673, i64 7, i64 0 }, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = call { ptr, i64, i64 } @finch.gen.op(ptr %t222, { ptr, i64, i64 } %t231)
-  store { ptr, i64, i64 } { ptr @.str.1671, i64 4, i64 0 }, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  call void @finch.gen.printf(ptr %t221, { ptr, i64, i64 } { ptr @.str.1670, i64 6, i64 0 }, { ptr, i64, i64 } %t236)
-  %t237 = load ptr, ptr %a1
-  %t238 = load { ptr, i64, i64 }, ptr %a209
-  call void @finch.gen.br(ptr %t237, { ptr, i64, i64 } %t238)
-  %t239 = load ptr, ptr %a1
-  %t240 = load { ptr, i64, i64 }, ptr %a209
-  call void @finch.gen.label(ptr %t239, { ptr, i64, i64 } %t240)
-  br label %endif2681
-else2680:
-  %t241 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t241, ptr %a242
-  store { ptr, i64, i64 } { ptr @.str.1674, i64 4, i64 0 }, ptr %a243
-  %t244 = call i32 @finch_str_eq(ptr %a242, ptr %a243)
-  %t245 = icmp ne i32 %t244, 0
-  br i1 %t245, label %then2682, label %else2683
-then2682:
-  %t246 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t246, { ptr, i64, i64 } { ptr @.str.1675, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1676, i64 0, i64 0 })
-  br label %endif2684
-else2683:
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t218, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t228, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  store { ptr, i64, i64 } %t229, ptr %a231
+  %t232 = load ptr, ptr %a1
+  %t233 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t232, { ptr, i64, i64 } { ptr @.str.1734, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t233, ptr %a234
+  %t235 = load ptr, ptr %a1
+  %t236 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t235, { ptr, i64, i64 } { ptr @.str.1735, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t236, ptr %a237
+  %t238 = load ptr, ptr %a1
+  %t239 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t238, { ptr, i64, i64 } { ptr @.str.1736, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t239, ptr %a240
+  %t241 = load ptr, ptr %a1
+  %t242 = load { ptr, i64, i64 }, ptr %a231
+  %t243 = load { ptr, i64, i64 }, ptr %a234
+  %t244 = load { ptr, i64, i64 }, ptr %a237
+  call void @finch.gen.condBr(ptr %t241, { ptr, i64, i64 } %t242, { ptr, i64, i64 } %t243, { ptr, i64, i64 } %t244)
+  %t245 = load ptr, ptr %a1
+  %t246 = load { ptr, i64, i64 }, ptr %a234
+  call void @finch.gen.label(ptr %t245, { ptr, i64, i64 } %t246)
   %t247 = load ptr, ptr %a1
-  %t248 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t247, { ptr, i64, i64 } { ptr @.str.1677, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t248, ptr %a249
+  call void @finch.gen.printf(ptr %t247, { ptr, i64, i64 } { ptr @.str.1737, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1738, i64 0, i64 0 })
+  %t248 = load ptr, ptr %a1
+  %t249 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.br(ptr %t248, { ptr, i64, i64 } %t249)
   %t250 = load ptr, ptr %a1
-  %t251 = load { ptr, i64, i64 }, ptr %a249
-  call void @finch.gen.store(ptr %t250, { ptr, i64, i64 } { ptr @.str.1678, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.1679, i64 15, i64 0 }, { ptr, i64, i64 } %t251)
+  %t251 = load { ptr, i64, i64 }, ptr %a237
+  call void @finch.gen.label(ptr %t250, { ptr, i64, i64 } %t251)
   %t252 = load ptr, ptr %a1
-  %t253 = load { ptr, i64, i64 }, ptr %a249
+  %t253 = load ptr, ptr %a1
   %t254 = load { ptr, i64, i64 }, ptr %a2
-  %t255 = load %S.ast.Type, ptr %a3
-  %t256 = load i1, ptr %a4
-  call void @finch.gen.emitFormat(ptr %t252, { ptr, i64, i64 } %t253, { ptr, i64, i64 } %t254, %S.ast.Type %t255, i1 %t256)
-  %t257 = load ptr, ptr %a1
-  %t258 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.1680, i64 31, i64 0 }, ptr %a260
-  store { ptr, i64, i64 } %t258, ptr %a261
+  store { ptr, i64, i64 } { ptr @.str.1741, i64 13, i64 0 }, ptr %a256
+  store { ptr, i64, i64 } %t254, ptr %a257
+  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
+  %t258 = load { ptr, i64, i64 }, ptr %a255
+  store { ptr, i64, i64 } %t258, ptr %a260
+  store { ptr, i64, i64 } { ptr @.str.1742, i64 7, i64 0 }, ptr %a261
   call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.1681, i64 1, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  call void @finch.gen.emit(ptr %t257, { ptr, i64, i64 } %t266)
-  br label %endif2684
-endif2684:
-  br label %endif2681
-endif2681:
-  br label %endif2675
-endif2675:
-  br label %endif2672
-endif2672:
-  br label %endif2666
-endif2666:
-  br label %endif2663
-endif2663:
-  br label %endif2660
-endif2660:
-  br label %endif2657
-endif2657:
+  store { ptr, i64, i64 } %t258, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  %t263 = load { ptr, i64, i64 }, ptr %a259
+  %t264 = call { ptr, i64, i64 } @finch.gen.op(ptr %t253, { ptr, i64, i64 } %t263)
+  store { ptr, i64, i64 } %t263, ptr %a265
+  call void @finch_str_drop(ptr %a265)
+  store { ptr, i64, i64 } { ptr @.str.1740, i64 4, i64 0 }, ptr %a267
+  store { ptr, i64, i64 } %t264, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t264, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  call void @finch.gen.printf(ptr %t252, { ptr, i64, i64 } { ptr @.str.1739, i64 6, i64 0 }, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  %t272 = load ptr, ptr %a1
+  %t273 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.br(ptr %t272, { ptr, i64, i64 } %t273)
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.label(ptr %t274, { ptr, i64, i64 } %t275)
+  call void @finch_str_drop(ptr %a240)
+  call void @finch_str_drop(ptr %a237)
+  call void @finch_str_drop(ptr %a234)
+  call void @finch_str_drop(ptr %a231)
+  br label %endif2855
+else2854:
+  %t276 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t276, ptr %a277
+  store { ptr, i64, i64 } { ptr @.str.1743, i64 4, i64 0 }, ptr %a278
+  %t279 = call i32 @finch_str_eq(ptr %a277, ptr %a278)
+  %t280 = icmp ne i32 %t279, 0
+  br i1 %t280, label %then2856, label %else2857
+then2856:
+  %t281 = load ptr, ptr %a1
+  call void @finch.gen.printf(ptr %t281, { ptr, i64, i64 } { ptr @.str.1744, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1745, i64 0, i64 0 })
+  br label %endif2858
+else2857:
+  %t282 = load ptr, ptr %a1
+  %t283 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t282, { ptr, i64, i64 } { ptr @.str.1746, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t283, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = load { ptr, i64, i64 }, ptr %a284
+  call void @finch.gen.store(ptr %t285, { ptr, i64, i64 } { ptr @.str.1747, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.1748, i64 15, i64 0 }, { ptr, i64, i64 } %t286)
+  %t287 = load ptr, ptr %a1
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = load { ptr, i64, i64 }, ptr %a2
+  %t290 = load %S.ast.Type, ptr %a3
+  %t291 = load i1, ptr %a4
+  call void @finch.gen.emitFormat(ptr %t287, { ptr, i64, i64 } %t288, { ptr, i64, i64 } %t289, %S.ast.Type %t290, i1 %t291)
+  %t292 = load ptr, ptr %a1
+  %t293 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } { ptr @.str.1749, i64 31, i64 0 }, ptr %a295
+  store { ptr, i64, i64 } %t293, ptr %a296
+  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a294
+  store { ptr, i64, i64 } %t297, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.1750, i64 1, i64 0 }, ptr %a300
+  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
+  store { ptr, i64, i64 } %t297, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a298
+  call void @finch.gen.emit(ptr %t292, { ptr, i64, i64 } %t302)
+  store { ptr, i64, i64 } %t302, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  call void @finch_str_drop(ptr %a284)
+  br label %endif2858
+endif2858:
+  br label %endif2855
+endif2855:
+  br label %endif2849
+endif2849:
+  br label %endif2846
+endif2846:
+  br label %endif2840
+endif2840:
+  br label %endif2837
+endif2837:
+  br label %endif2834
+endif2834:
+  br label %endif2831
+endif2831:
+  call void @finch_str_drop(ptr %a10)
   ret void
 }
 
@@ -27038,56 +31637,80 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1682, i64 29, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.1751, i64 29, i64 0 }, ptr %a7
   store { ptr, i64, i64 } %t5, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
   %t9 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t9, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1683, i64 6, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1752, i64 6, i64 0 }, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  %t14 = load ptr, ptr %a1
-  %t15 = load { ptr, i64, i64 }, ptr %a3
-  %t16 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t14, { ptr, i64, i64 } %t15)
-  store { ptr, i64, i64 } %t13, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.1684, i64 6, i64 0 }, ptr %a23
-  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t26 = load i64, ptr %t25
-  call void @finch_str_from_int(ptr %a27, i64 %t26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t24, ptr %a30
-  store { ptr, i64, i64 } %t28, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.1685, i64 1, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } %t9, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  %t15 = load ptr, ptr %a1
+  %t16 = load { ptr, i64, i64 }, ptr %a3
+  %t17 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t15, { ptr, i64, i64 } %t16)
+  store { ptr, i64, i64 } %t14, ptr %a19
+  store { ptr, i64, i64 } %t17, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t14, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  store { ptr, i64, i64 } %t17, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.1753, i64 6, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t28, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
   call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  call void @finch.gen.emit(ptr %t4, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t28, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t38, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.1754, i64 1, i64 0 }, ptr %a41
+  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.emit(ptr %t4, { ptr, i64, i64 } %t43)
+  store { ptr, i64, i64 } %t43, ptr %a44
+  call void @finch_str_drop(ptr %a44)
   ret void
 }
 
@@ -27102,144 +31725,197 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.ast.Type, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca %S.ast.Type, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca %S.ast.Type, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca %S.ast.Type, align 16
-  %a179 = alloca %S.ast.Type, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca %S.ast.Type, align 16
+  %a213 = alloca %S.ast.Type, align 16
+  %a217 = alloca %S.gen.Val, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca %S.ast.Type, align 16
-  %a259 = alloca %S.ast.Type, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
   %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca %S.ast.Type, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a312 = alloca %S.gen.Val, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -27251,328 +31927,437 @@ entry:
   call void @finch_str_copy(ptr %a9, ptr %a8)
   %t10 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.1686, i64 1, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1755, i64 1, i64 0 }, ptr %a12
   %t13 = load i1, ptr %a5
-  br i1 %t13, label %then2685, label %endif2687
-then2685:
-  store { ptr, i64, i64 } { ptr @.str.1687, i64 1, i64 0 }, ptr %a12
-  br label %endif2687
-endif2687:
-  %t14 = load %S.ast.Type, ptr %a4
-  %t15 = call i1 @finch.gen.isSigned(%S.ast.Type %t14)
-  br i1 %t15, label %then2688, label %else2689
-then2688:
-  %t16 = load ptr, ptr %a1
-  %t17 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1688, i64 29, i64 0 }, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1689, i64 6, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load ptr, ptr %a1
-  %t27 = load { ptr, i64, i64 }, ptr %a3
-  %t28 = load %S.ast.Type, ptr %a4
-  %t29 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1690, i64 3, i64 0 })
-  %t30 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t26, { ptr, i64, i64 } %t27, %S.ast.Type %t28, %S.ast.Type %t29)
-  store { ptr, i64, i64 } %t25, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.1691, i64 1, i64 0 }, ptr %a37
+  br i1 %t13, label %then2859, label %endif2861
+then2859:
+  %t14 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1756, i64 1, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } %t14, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  br label %endif2861
+endif2861:
+  %t16 = load %S.ast.Type, ptr %a4
+  %t17 = call i1 @finch.gen.isSigned(%S.ast.Type %t16)
+  br i1 %t17, label %then2862, label %else2863
+then2862:
+  %t18 = load ptr, ptr %a1
+  %t19 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1757, i64 29, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } %t19, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  %t23 = load { ptr, i64, i64 }, ptr %a20
+  store { ptr, i64, i64 } %t23, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.1758, i64 6, i64 0 }, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  %t29 = load ptr, ptr %a1
+  %t30 = load { ptr, i64, i64 }, ptr %a3
+  %t31 = load %S.ast.Type, ptr %a4
+  %t32 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1759, i64 3, i64 0 })
+  %t33 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t29, { ptr, i64, i64 } %t30, %S.ast.Type %t31, %S.ast.Type %t32)
+  store %S.ast.Type %t32, ptr %a34
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  store { ptr, i64, i64 } %t28, ptr %a36
+  store { ptr, i64, i64 } %t33, ptr %a37
   call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  call void @finch.gen.emit(ptr %t16, { ptr, i64, i64 } %t38)
-  br label %endif2690
-else2689:
-  %t39 = load %S.ast.Type, ptr %a4
-  %t40 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t39)
-  br i1 %t40, label %then2691, label %else2692
-then2691:
-  %t41 = load ptr, ptr %a1
-  %t42 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1692, i64 30, i64 0 }, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.1693, i64 6, i64 0 }, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  %t51 = load ptr, ptr %a1
-  %t52 = load { ptr, i64, i64 }, ptr %a3
-  %t53 = load %S.ast.Type, ptr %a4
-  %t54 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1694, i64 3, i64 0 })
-  %t55 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t51, { ptr, i64, i64 } %t52, %S.ast.Type %t53, %S.ast.Type %t54)
-  store { ptr, i64, i64 } %t50, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.1695, i64 1, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.emit(ptr %t41, { ptr, i64, i64 } %t63)
-  br label %endif2693
-else2692:
-  %t64 = load %S.ast.Type, ptr %a4
-  %t65 = call i1 @finch.gen.isFloat(%S.ast.Type %t64)
-  br i1 %t65, label %then2694, label %else2695
-then2694:
-  %t66 = load ptr, ptr %a1
-  %t67 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1696, i64 31, i64 0 }, ptr %a69
-  store { ptr, i64, i64 } %t67, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t28, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t33, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1760, i64 1, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  call void @finch.gen.emit(ptr %t18, { ptr, i64, i64 } %t45)
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  br label %endif2864
+else2863:
+  %t47 = load %S.ast.Type, ptr %a4
+  %t48 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t47)
+  br i1 %t48, label %then2865, label %else2866
+then2865:
+  %t49 = load ptr, ptr %a1
+  %t50 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1761, i64 30, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.1762, i64 6, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  %t60 = load ptr, ptr %a1
+  %t61 = load { ptr, i64, i64 }, ptr %a3
+  %t62 = load %S.ast.Type, ptr %a4
+  %t63 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1763, i64 3, i64 0 })
+  %t64 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t60, { ptr, i64, i64 } %t61, %S.ast.Type %t62, %S.ast.Type %t63)
+  store %S.ast.Type %t63, ptr %a65
+  call void @finch.drop.S_ast_Type(ptr %a65)
+  store { ptr, i64, i64 } %t59, ptr %a67
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
+  store { ptr, i64, i64 } %t59, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  store { ptr, i64, i64 } %t64, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a66
   store { ptr, i64, i64 } %t71, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.1697, i64 9, i64 0 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.1764, i64 1, i64 0 }, ptr %a74
   call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
-  %t75 = load { ptr, i64, i64 }, ptr %a72
-  %t76 = load ptr, ptr %a1
-  %t77 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.emit(ptr %t49, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  br label %endif2867
+else2866:
   %t78 = load %S.ast.Type, ptr %a4
-  %t79 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1698, i64 5, i64 0 })
-  %t80 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t76, { ptr, i64, i64 } %t77, %S.ast.Type %t78, %S.ast.Type %t79)
-  store { ptr, i64, i64 } %t75, ptr %a82
-  store { ptr, i64, i64 } %t80, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t84, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.1699, i64 1, i64 0 }, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  call void @finch.gen.emit(ptr %t66, { ptr, i64, i64 } %t88)
-  br label %endif2696
-else2695:
-  %t89 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t89, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1700, i64 4, i64 0 }, ptr %a91
-  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
-  %t93 = icmp ne i32 %t92, 0
-  br i1 %t93, label %then2697, label %else2698
-then2697:
-  %t94 = load ptr, ptr %a1
-  %t95 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1701, i64 30, i64 0 }, ptr %a97
-  store { ptr, i64, i64 } %t95, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.1702, i64 5, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t103, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.1703, i64 6, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t112, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.1704, i64 1, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  call void @finch.gen.emit(ptr %t94, { ptr, i64, i64 } %t121)
-  br label %endif2699
-else2698:
-  %t122 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t122, ptr %a123
-  store { ptr, i64, i64 } { ptr @.str.1705, i64 4, i64 0 }, ptr %a124
-  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
-  %t126 = icmp ne i32 %t125, 0
-  br i1 %t126, label %then2700, label %else2701
-then2700:
-  %t127 = load ptr, ptr %a1
-  %t128 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1706, i64 30, i64 0 }, ptr %a130
-  store { ptr, i64, i64 } %t128, ptr %a131
-  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
-  %t132 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t132, ptr %a134
-  store { ptr, i64, i64 } { ptr @.str.1707, i64 6, i64 0 }, ptr %a135
-  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
-  %t136 = load { ptr, i64, i64 }, ptr %a133
-  %t137 = load ptr, ptr %a1
-  %t138 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1708, i64 8, i64 0 }, ptr %a140
-  store { ptr, i64, i64 } %t138, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  store { ptr, i64, i64 } %t142, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.1709, i64 7, i64 0 }, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  %t147 = call { ptr, i64, i64 } @finch.gen.op(ptr %t137, { ptr, i64, i64 } %t146)
-  store { ptr, i64, i64 } %t136, ptr %a149
-  store { ptr, i64, i64 } %t147, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } %t151, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.1710, i64 1, i64 0 }, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  call void @finch.gen.emit(ptr %t127, { ptr, i64, i64 } %t155)
-  br label %endif2702
-else2701:
-  %t156 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t156, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.1711, i64 3, i64 0 }, ptr %a158
-  %t159 = call i32 @finch_str_eq(ptr %a157, ptr %a158)
-  %t160 = icmp ne i32 %t159, 0
-  br i1 %t160, label %then2703, label %else2704
-then2703:
-  %t161 = load ptr, ptr %a1
-  %t162 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1712, i64 29, i64 0 }, ptr %a164
-  store { ptr, i64, i64 } %t162, ptr %a165
-  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t166, ptr %a168
-  store { ptr, i64, i64 } { ptr @.str.1713, i64 6, i64 0 }, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  %t171 = load ptr, ptr %a1
-  %t172 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t172, ptr %a173
-  call void @finch_str_copy(ptr %a174, ptr %a173)
-  %t175 = load { ptr, i64, i64 }, ptr %a174
-  %t176 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t175, 0
-  %t177 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t177, ptr %a178
-  call void @finch.copy.S_ast_Type(ptr %a179, ptr %a178)
-  %t180 = load %S.ast.Type, ptr %a179
-  %t181 = insertvalue %S.gen.Val %t176, %S.ast.Type %t180, 1
-  %t182 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t171, %S.gen.Val %t181)
-  store { ptr, i64, i64 } %t170, ptr %a184
-  store { ptr, i64, i64 } %t182, ptr %a185
+  %t79 = call i1 @finch.gen.isFloat(%S.ast.Type %t78)
+  br i1 %t79, label %then2868, label %else2869
+then2868:
+  %t80 = load ptr, ptr %a1
+  %t81 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1765, i64 31, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.1766, i64 9, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = load ptr, ptr %a1
+  %t92 = load { ptr, i64, i64 }, ptr %a3
+  %t93 = load %S.ast.Type, ptr %a4
+  %t94 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.1767, i64 5, i64 0 })
+  %t95 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t91, { ptr, i64, i64 } %t92, %S.ast.Type %t93, %S.ast.Type %t94)
+  store %S.ast.Type %t94, ptr %a96
+  call void @finch.drop.S_ast_Type(ptr %a96)
+  store { ptr, i64, i64 } %t90, ptr %a98
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  store { ptr, i64, i64 } %t90, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  store { ptr, i64, i64 } %t95, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t102, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.1768, i64 1, i64 0 }, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t102, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch.gen.emit(ptr %t80, { ptr, i64, i64 } %t107)
+  store { ptr, i64, i64 } %t107, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  br label %endif2870
+else2869:
+  %t109 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t109, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.1769, i64 4, i64 0 }, ptr %a111
+  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
+  %t113 = icmp ne i32 %t112, 0
+  br i1 %t113, label %then2871, label %else2872
+then2871:
+  %t114 = load ptr, ptr %a1
+  %t115 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1770, i64 30, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1771, i64 5, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t124, ptr %a127
+  store { ptr, i64, i64 } %t125, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t124, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  store { ptr, i64, i64 } %t130, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.1772, i64 6, i64 0 }, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t130, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  %t136 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t135, ptr %a138
+  store { ptr, i64, i64 } %t136, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t135, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t141, ptr %a143
+  store { ptr, i64, i64 } { ptr @.str.1773, i64 1, i64 0 }, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  call void @finch.gen.emit(ptr %t114, { ptr, i64, i64 } %t146)
+  store { ptr, i64, i64 } %t146, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  br label %endif2873
+else2872:
+  %t148 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t148, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.1774, i64 4, i64 0 }, ptr %a150
+  %t151 = call i32 @finch_str_eq(ptr %a149, ptr %a150)
+  %t152 = icmp ne i32 %t151, 0
+  br i1 %t152, label %then2874, label %else2875
+then2874:
+  %t153 = load ptr, ptr %a1
+  %t154 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1775, i64 30, i64 0 }, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t158, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.1776, i64 6, i64 0 }, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  store { ptr, i64, i64 } %t158, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = load { ptr, i64, i64 }, ptr %a159
+  %t164 = load ptr, ptr %a1
+  %t165 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.1777, i64 8, i64 0 }, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t169, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.1778, i64 7, i64 0 }, ptr %a172
+  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
+  store { ptr, i64, i64 } %t169, ptr %a173
+  call void @finch_str_drop(ptr %a173)
+  %t174 = load { ptr, i64, i64 }, ptr %a170
+  %t175 = call { ptr, i64, i64 } @finch.gen.op(ptr %t164, { ptr, i64, i64 } %t174)
+  store { ptr, i64, i64 } %t174, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  store { ptr, i64, i64 } %t163, ptr %a178
+  store { ptr, i64, i64 } %t175, ptr %a179
+  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
+  store { ptr, i64, i64 } %t163, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  store { ptr, i64, i64 } %t175, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a177
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.1779, i64 1, i64 0 }, ptr %a185
   call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t186, ptr %a188
-  store { ptr, i64, i64 } { ptr @.str.1714, i64 6, i64 0 }, ptr %a189
-  call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
-  %t190 = load { ptr, i64, i64 }, ptr %a187
-  %t191 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t190, ptr %a193
-  store { ptr, i64, i64 } %t191, ptr %a194
-  call void @finch_str_concat(ptr %a192, ptr %a193, ptr %a194)
-  %t195 = load { ptr, i64, i64 }, ptr %a192
-  store { ptr, i64, i64 } %t195, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.1715, i64 1, i64 0 }, ptr %a198
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  call void @finch.gen.emit(ptr %t153, { ptr, i64, i64 } %t187)
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch_str_drop(ptr %a188)
+  br label %endif2876
+else2875:
+  %t189 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t189, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.1780, i64 3, i64 0 }, ptr %a191
+  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
+  %t193 = icmp ne i32 %t192, 0
+  br i1 %t193, label %then2877, label %else2878
+then2877:
+  %t194 = load ptr, ptr %a1
+  %t195 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1781, i64 29, i64 0 }, ptr %a197
+  store { ptr, i64, i64 } %t195, ptr %a198
   call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
   %t199 = load { ptr, i64, i64 }, ptr %a196
-  call void @finch.gen.emit(ptr %t161, { ptr, i64, i64 } %t199)
-  br label %endif2705
-else2704:
-  %t200 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t200, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.1716, i64 3, i64 0 }, ptr %a202
-  %t203 = call i32 @finch_str_eq(ptr %a201, ptr %a202)
-  %t204 = icmp ne i32 %t203, 0
-  br label %logic.from2706
-logic.from2706:
-  br i1 %t204, label %logic.end2708, label %logic.rhs2707
-logic.rhs2707:
-  %t205 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t205, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.1717, i64 4, i64 0 }, ptr %a207
-  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
-  %t209 = icmp ne i32 %t208, 0
-  br label %logic.rend2709
-logic.rend2709:
-  br label %logic.end2708
-logic.end2708:
-  %t210 = phi i1 [ true, %logic.from2706 ], [ %t209, %logic.rend2709 ]
-  br i1 %t210, label %then2710, label %else2711
-then2710:
-  %t211 = load ptr, ptr %a1
-  %t212 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.1718, i64 29, i64 0 }, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  store { ptr, i64, i64 } %t216, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.1719, i64 6, i64 0 }, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  %t221 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t220, ptr %a223
-  store { ptr, i64, i64 } %t221, ptr %a224
-  call void @finch_str_concat(ptr %a222, ptr %a223, ptr %a224)
-  %t225 = load { ptr, i64, i64 }, ptr %a222
-  store { ptr, i64, i64 } %t225, ptr %a227
-  store { ptr, i64, i64 } { ptr @.str.1720, i64 1, i64 0 }, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  call void @finch.gen.emit(ptr %t211, { ptr, i64, i64 } %t229)
-  br label %endif2712
-else2711:
-  %t230 = load ptr, ptr %a1
-  %t231 = load ptr, ptr %a1
-  %t232 = load %S.ast.Type, ptr %a4
-  %t233 = call { ptr, i64, i64 } @finch.gen.formatFn(ptr %t231, %S.ast.Type %t232)
-  store { ptr, i64, i64 } { ptr @.str.1721, i64 10, i64 0 }, ptr %a235
-  store { ptr, i64, i64 } %t233, ptr %a236
-  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  store { ptr, i64, i64 } %t237, ptr %a239
-  store { ptr, i64, i64 } { ptr @.str.1722, i64 5, i64 0 }, ptr %a240
-  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
-  %t241 = load { ptr, i64, i64 }, ptr %a238
-  %t242 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t241, ptr %a244
-  store { ptr, i64, i64 } %t242, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  store { ptr, i64, i64 } %t246, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.1723, i64 6, i64 0 }, ptr %a249
-  call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
-  %t250 = load { ptr, i64, i64 }, ptr %a247
-  %t251 = load ptr, ptr %a1
-  %t252 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t252, ptr %a253
-  call void @finch_str_copy(ptr %a254, ptr %a253)
-  %t255 = load { ptr, i64, i64 }, ptr %a254
-  %t256 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t255, 0
-  %t257 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t257, ptr %a258
-  call void @finch.copy.S_ast_Type(ptr %a259, ptr %a258)
-  %t260 = load %S.ast.Type, ptr %a259
-  %t261 = insertvalue %S.gen.Val %t256, %S.ast.Type %t260, 1
-  %t262 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t251, %S.gen.Val %t261)
-  store { ptr, i64, i64 } %t250, ptr %a264
+  store { ptr, i64, i64 } %t199, ptr %a201
+  store { ptr, i64, i64 } { ptr @.str.1782, i64 6, i64 0 }, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t199, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  %t204 = load { ptr, i64, i64 }, ptr %a200
+  %t205 = load ptr, ptr %a1
+  %t206 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t206, ptr %a207
+  call void @finch_str_copy(ptr %a208, ptr %a207)
+  %t209 = load { ptr, i64, i64 }, ptr %a208
+  %t210 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t209, 0
+  %t211 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t211, ptr %a212
+  call void @finch.copy.S_ast_Type(ptr %a213, ptr %a212)
+  %t214 = load %S.ast.Type, ptr %a213
+  %t215 = insertvalue %S.gen.Val %t210, %S.ast.Type %t214, 1
+  %t216 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t205, %S.gen.Val %t215)
+  store %S.gen.Val %t215, ptr %a217
+  call void @finch.drop.S_gen_Val(ptr %a217)
+  store { ptr, i64, i64 } %t204, ptr %a219
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t204, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  store { ptr, i64, i64 } %t216, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.1783, i64 6, i64 0 }, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t228, ptr %a231
+  store { ptr, i64, i64 } %t229, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  store { ptr, i64, i64 } %t228, ptr %a233
+  call void @finch_str_drop(ptr %a233)
+  %t234 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t234, ptr %a236
+  store { ptr, i64, i64 } { ptr @.str.1784, i64 1, i64 0 }, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  call void @finch.gen.emit(ptr %t194, { ptr, i64, i64 } %t239)
+  store { ptr, i64, i64 } %t239, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  br label %endif2879
+else2878:
+  %t241 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t241, ptr %a242
+  store { ptr, i64, i64 } { ptr @.str.1785, i64 3, i64 0 }, ptr %a243
+  %t244 = call i32 @finch_str_eq(ptr %a242, ptr %a243)
+  %t245 = icmp ne i32 %t244, 0
+  br label %logic.from2880
+logic.from2880:
+  br i1 %t245, label %logic.end2882, label %logic.rhs2881
+logic.rhs2881:
+  %t246 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t246, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.1786, i64 4, i64 0 }, ptr %a248
+  %t249 = call i32 @finch_str_eq(ptr %a247, ptr %a248)
+  %t250 = icmp ne i32 %t249, 0
+  br label %logic.rend2883
+logic.rend2883:
+  br label %logic.end2882
+logic.end2882:
+  %t251 = phi i1 [ true, %logic.from2880 ], [ %t250, %logic.rend2883 ]
+  br i1 %t251, label %then2884, label %else2885
+then2884:
+  %t252 = load ptr, ptr %a1
+  %t253 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.1787, i64 29, i64 0 }, ptr %a255
+  store { ptr, i64, i64 } %t253, ptr %a256
+  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
+  %t257 = load { ptr, i64, i64 }, ptr %a254
+  store { ptr, i64, i64 } %t257, ptr %a259
+  store { ptr, i64, i64 } { ptr @.str.1788, i64 6, i64 0 }, ptr %a260
+  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
+  store { ptr, i64, i64 } %t257, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a258
+  %t263 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t262, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  store { ptr, i64, i64 } %t266, ptr %a268
-  store { ptr, i64, i64 } { ptr @.str.1724, i64 1, i64 0 }, ptr %a269
-  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
-  %t270 = load { ptr, i64, i64 }, ptr %a267
-  call void @finch.gen.emit(ptr %t230, { ptr, i64, i64 } %t270)
-  br label %endif2712
-endif2712:
-  br label %endif2705
-endif2705:
-  br label %endif2702
-endif2702:
-  br label %endif2699
-endif2699:
-  br label %endif2696
-endif2696:
-  br label %endif2693
-endif2693:
-  br label %endif2690
-endif2690:
+  store { ptr, i64, i64 } %t263, ptr %a266
+  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
+  store { ptr, i64, i64 } %t262, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t268, ptr %a270
+  store { ptr, i64, i64 } { ptr @.str.1789, i64 1, i64 0 }, ptr %a271
+  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
+  store { ptr, i64, i64 } %t268, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a269
+  call void @finch.gen.emit(ptr %t252, { ptr, i64, i64 } %t273)
+  store { ptr, i64, i64 } %t273, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  br label %endif2886
+else2885:
+  %t275 = load ptr, ptr %a1
+  %t276 = load ptr, ptr %a1
+  %t277 = load %S.ast.Type, ptr %a4
+  %t278 = call { ptr, i64, i64 } @finch.gen.formatFn(ptr %t276, %S.ast.Type %t277)
+  store { ptr, i64, i64 } { ptr @.str.1790, i64 10, i64 0 }, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.1791, i64 5, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t288, ptr %a291
+  store { ptr, i64, i64 } %t289, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  store { ptr, i64, i64 } %t288, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load { ptr, i64, i64 }, ptr %a290
+  store { ptr, i64, i64 } %t294, ptr %a296
+  store { ptr, i64, i64 } { ptr @.str.1792, i64 6, i64 0 }, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  store { ptr, i64, i64 } %t294, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a295
+  %t300 = load ptr, ptr %a1
+  %t301 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t301, ptr %a302
+  call void @finch_str_copy(ptr %a303, ptr %a302)
+  %t304 = load { ptr, i64, i64 }, ptr %a303
+  %t305 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t304, 0
+  %t306 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t306, ptr %a307
+  call void @finch.copy.S_ast_Type(ptr %a308, ptr %a307)
+  %t309 = load %S.ast.Type, ptr %a308
+  %t310 = insertvalue %S.gen.Val %t305, %S.ast.Type %t309, 1
+  %t311 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t300, %S.gen.Val %t310)
+  store %S.gen.Val %t310, ptr %a312
+  call void @finch.drop.S_gen_Val(ptr %a312)
+  store { ptr, i64, i64 } %t299, ptr %a314
+  store { ptr, i64, i64 } %t311, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  store { ptr, i64, i64 } %t299, ptr %a316
+  call void @finch_str_drop(ptr %a316)
+  store { ptr, i64, i64 } %t311, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a313
+  store { ptr, i64, i64 } %t318, ptr %a320
+  store { ptr, i64, i64 } { ptr @.str.1793, i64 1, i64 0 }, ptr %a321
+  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
+  store { ptr, i64, i64 } %t318, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  %t323 = load { ptr, i64, i64 }, ptr %a319
+  call void @finch.gen.emit(ptr %t275, { ptr, i64, i64 } %t323)
+  store { ptr, i64, i64 } %t323, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  br label %endif2886
+endif2886:
+  br label %endif2879
+endif2879:
+  br label %endif2876
+endif2876:
+  br label %endif2873
+endif2873:
+  br label %endif2870
+endif2870:
+  br label %endif2867
+endif2867:
+  br label %endif2864
+endif2864:
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a11)
   ret void
 }
 
@@ -27596,6 +32381,20 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_EnumDef(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.EnumDef, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_int(ptr %t4)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.gen.formatFn(ptr %p0, %S.ast.Type %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -27603,970 +32402,1156 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca %S.gen.Saved, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca %S.ast.Type, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca %S.ast.Type, align 16
+  %a47 = alloca %S.ast.Type, align 16
   %a49 = alloca %S.ast.Type, align 16
-  %a51 = alloca %S.ast.Type, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca %S.gen.EnumDef, align 16
-  %a165 = alloca %S.gen.EnumDef, align 16
-  %a167 = alloca %S.gen.EnumDef, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca i64, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca %S.gen.EnumDef, align 16
+  %a174 = alloca %S.gen.EnumDef, align 16
+  %a176 = alloca %S.gen.EnumDef, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca i64, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
   %a231 = alloca { ptr, i64, i64 }, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
   %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca i64, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a301 = alloca { ptr, i64, i64 }, align 16
-  %a302 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca i64, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
   %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
   %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
-  %a384 = alloca { ptr, i64, i64 }, align 16
-  %a385 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a397 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca %S.gen.StructDef, align 16
-  %a483 = alloca %S.gen.StructDef, align 16
-  %a485 = alloca %S.gen.StructDef, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
-  %a494 = alloca { ptr, i64, i64 }, align 16
-  %a495 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca i64, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a521 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a526 = alloca { ptr, i64, i64 }, align 16
-  %a527 = alloca { ptr, i64, i64 }, align 16
-  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca %S.gen.StructDef, align 16
+  %a524 = alloca %S.gen.StructDef, align 16
+  %a526 = alloca %S.gen.StructDef, align 16
   %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca i64, align 16
   %a545 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
   %a579 = alloca { ptr, i64, i64 }, align 16
-  %a580 = alloca { ptr, i64, i64 }, align 16
-  %a581 = alloca { ptr, i64, i64 }, align 16
-  %a583 = alloca { ptr, i64, i64 }, align 16
-  %a584 = alloca { ptr, i64, i64 }, align 16
-  %a585 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a598 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load %S.ast.Type, ptr %a2
   %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
-  store { ptr, i64, i64 } { ptr @.str.1725, i64 14, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.1794, i64 14, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
-  %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic2713, label %ok2714
-panic2713:
-  call void @finch_panic(ptr @.str.1726, i64 965, ptr @.str.1727)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic2887, label %ok2888
+panic2887:
+  call void @finch_panic(ptr @.str.1795, i64 1100, ptr @.str.1796)
   unreachable
-ok2714:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 21
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  %t14 = load { ptr, i64, i64 }, ptr %a9
-  %t15 = call i1 @finch.gen.has({ ptr, i64, i64 } %t13, { ptr, i64, i64 } %t14)
-  br i1 %t15, label %then2715, label %endif2717
-then2715:
-  %t16 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  ret { ptr, i64, i64 } %t19
-endif2717:
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic2718, label %ok2719
-panic2718:
-  call void @finch_panic(ptr @.str.1728, i64 968, ptr @.str.1729)
+ok2888:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then2889, label %endif2891
+then2889:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif2891:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic2892, label %ok2893
+panic2892:
+  call void @finch_panic(ptr @.str.1797, i64 1103, ptr @.str.1798)
   unreachable
-ok2719:
-  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 21
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  %t28 = load i64, ptr %t23
-  %t29 = add i64 %t28, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t30 = load ptr, ptr %t22
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
-  store { ptr, i64, i64 } %t27, ptr %t31
-  store i64 %t29, ptr %t23
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t32)
-  store %S.gen.Saved %t33, ptr %a34
-  %t35 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t36 = load { ptr, i64, i64 }, ptr %t35
-  store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1730, i64 5, i64 0 }, ptr %a38
-  %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
-  %t40 = icmp ne i32 %t39, 0
-  br i1 %t40, label %then2720, label %else2721
-then2720:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
-  %t44 = icmp uge i64 0, %t43
-  br i1 %t44, label %range2723, label %inrange2724
-range2723:
-  call void @finch_panic_index(ptr @.str.1731, i64 971, i64 0, i64 %t43)
+ok2893:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  %t33 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.1799, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then2894, label %else2895
+then2894:
+  %t39 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
+  %t42 = icmp uge i64 0, %t41
+  br i1 %t42, label %range2897, label %inrange2898
+range2897:
+  call void @finch_panic_index(ptr @.str.1800, i64 1106, i64 0, i64 %t41)
   unreachable
-inrange2724:
-  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
-  %t46 = getelementptr inbounds %S.ast.Type, ptr %t45, i64 0
-  %t47 = load %S.ast.Type, ptr %t46
-  store %S.ast.Type %t47, ptr %a48
-  call void @finch.copy.S_ast_Type(ptr %a49, ptr %a48)
-  %t50 = load %S.ast.Type, ptr %a49
-  store %S.ast.Type %t50, ptr %a51
-  %t52 = load ptr, ptr %a1
-  %t53 = call { ptr, i64, i64 } @finch.gen.load(ptr %t52, { ptr, i64, i64 } { ptr @.str.1732, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1733, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t53, ptr %a54
-  %t55 = load ptr, ptr %a1
-  %t56 = load ptr, ptr %a1
-  %t57 = call { ptr, i64, i64 } @finch.gen.op(ptr %t56, { ptr, i64, i64 } { ptr @.str.1735, i64 62, i64 0 })
-  %t58 = call { ptr, i64, i64 } @finch.gen.load(ptr %t55, { ptr, i64, i64 } { ptr @.str.1734, i64 3, i64 0 }, { ptr, i64, i64 } %t57)
-  store { ptr, i64, i64 } %t58, ptr %a59
+inrange2898:
+  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
+  %t44 = getelementptr inbounds %S.ast.Type, ptr %t43, i64 0
+  %t45 = load %S.ast.Type, ptr %t44
+  store %S.ast.Type %t45, ptr %a46
+  call void @finch.copy.S_ast_Type(ptr %a47, ptr %a46)
+  %t48 = load %S.ast.Type, ptr %a47
+  store %S.ast.Type %t48, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = call { ptr, i64, i64 } @finch.gen.load(ptr %t50, { ptr, i64, i64 } { ptr @.str.1801, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1802, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t51, ptr %a52
+  %t53 = load ptr, ptr %a1
+  %t54 = load ptr, ptr %a1
+  %t55 = call { ptr, i64, i64 } @finch.gen.op(ptr %t54, { ptr, i64, i64 } { ptr @.str.1804, i64 62, i64 0 })
+  %t56 = call { ptr, i64, i64 } @finch.gen.load(ptr %t53, { ptr, i64, i64 } { ptr @.str.1803, i64 3, i64 0 }, { ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t55, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  store { ptr, i64, i64 } %t56, ptr %a58
+  %t59 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t59, { ptr, i64, i64 } { ptr @.str.1805, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1806, i64 1, i64 0 })
   %t60 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t60, { ptr, i64, i64 } { ptr @.str.1736, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1737, i64 1, i64 0 })
-  %t61 = load ptr, ptr %a1
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t61, { ptr, i64, i64 } %t62)
-  store { ptr, i64, i64 } %t63, ptr %a64
-  %t65 = load ptr, ptr %a1
-  %t66 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t65, { ptr, i64, i64 } { ptr @.str.1738, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t66, ptr %a67
-  %t68 = load ptr, ptr %a1
-  %t69 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t68, { ptr, i64, i64 } { ptr @.str.1739, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t69, ptr %a70
-  %t71 = load ptr, ptr %a1
-  %t72 = load { ptr, i64, i64 }, ptr %a64
-  %t73 = extractvalue { ptr, i64, i64 } %t72, 1
-  %t74 = icmp uge i64 3, %t73
-  br i1 %t74, label %range2725, label %inrange2726
-range2725:
-  call void @finch_panic_index(ptr @.str.1741, i64 978, i64 3, i64 %t73)
+  %t61 = load { ptr, i64, i64 }, ptr %a58
+  %t62 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t60, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t62, ptr %a63
+  %t64 = load ptr, ptr %a1
+  %t65 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t64, { ptr, i64, i64 } { ptr @.str.1807, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t65, ptr %a66
+  %t67 = load ptr, ptr %a1
+  %t68 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t67, { ptr, i64, i64 } { ptr @.str.1808, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t68, ptr %a69
+  %t70 = load ptr, ptr %a1
+  %t71 = load { ptr, i64, i64 }, ptr %a63
+  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
+  %t73 = icmp uge i64 3, %t72
+  br i1 %t73, label %range2899, label %inrange2900
+range2899:
+  call void @finch_panic_index(ptr @.str.1810, i64 1113, i64 3, i64 %t72)
   unreachable
-inrange2726:
-  %t75 = extractvalue { ptr, i64, i64 } %t72, 0
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i64 3
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } { ptr @.str.1740, i64 13, i64 0 }, ptr %a79
-  store { ptr, i64, i64 } %t77, ptr %a80
-  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
-  %t81 = load { ptr, i64, i64 }, ptr %a78
-  store { ptr, i64, i64 } %t81, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.1742, i64 3, i64 0 }, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  %t86 = call { ptr, i64, i64 } @finch.gen.op(ptr %t71, { ptr, i64, i64 } %t85)
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = load ptr, ptr %a1
-  %t89 = load { ptr, i64, i64 }, ptr %a87
-  %t90 = load { ptr, i64, i64 }, ptr %a67
-  %t91 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.condBr(ptr %t88, { ptr, i64, i64 } %t89, { ptr, i64, i64 } %t90, { ptr, i64, i64 } %t91)
-  %t92 = load ptr, ptr %a1
-  %t93 = load { ptr, i64, i64 }, ptr %a67
-  call void @finch.gen.label(ptr %t92, { ptr, i64, i64 } %t93)
-  %t94 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t94, { ptr, i64, i64 } { ptr @.str.1743, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1744, i64 2, i64 0 })
+inrange2900:
+  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
+  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t74, i64 3
+  %t76 = load { ptr, i64, i64 }, ptr %t75
+  store { ptr, i64, i64 } { ptr @.str.1809, i64 13, i64 0 }, ptr %a78
+  store { ptr, i64, i64 } %t76, ptr %a79
+  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a77
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.1811, i64 3, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = call { ptr, i64, i64 } @finch.gen.op(ptr %t70, { ptr, i64, i64 } %t85)
+  store { ptr, i64, i64 } %t85, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  store { ptr, i64, i64 } %t86, ptr %a88
+  %t89 = load ptr, ptr %a1
+  %t90 = load { ptr, i64, i64 }, ptr %a88
+  %t91 = load { ptr, i64, i64 }, ptr %a66
+  %t92 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.condBr(ptr %t89, { ptr, i64, i64 } %t90, { ptr, i64, i64 } %t91, { ptr, i64, i64 } %t92)
+  %t93 = load ptr, ptr %a1
+  %t94 = load { ptr, i64, i64 }, ptr %a66
+  call void @finch.gen.label(ptr %t93, { ptr, i64, i64 } %t94)
   %t95 = load ptr, ptr %a1
-  %t96 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.br(ptr %t95, { ptr, i64, i64 } %t96)
-  %t97 = load ptr, ptr %a1
-  %t98 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.label(ptr %t97, { ptr, i64, i64 } %t98)
-  %t99 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t95, { ptr, i64, i64 } { ptr @.str.1812, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1813, i64 2, i64 0 })
+  %t96 = load ptr, ptr %a1
+  %t97 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.br(ptr %t96, { ptr, i64, i64 } %t97)
+  %t98 = load ptr, ptr %a1
+  %t99 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.label(ptr %t98, { ptr, i64, i64 } %t99)
   %t100 = load ptr, ptr %a1
-  %t101 = load %S.ast.Type, ptr %a51
-  %t102 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t100, %S.ast.Type %t101)
-  store { ptr, i64, i64 } { ptr @.str.1745, i64 23, i64 0 }, ptr %a104
-  store { ptr, i64, i64 } %t102, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t106, ptr %a108
-  store { ptr, i64, i64 } { ptr @.str.1746, i64 6, i64 0 }, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  %t111 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t110, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.1747, i64 6, i64 0 }, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  %t120 = load { ptr, i64, i64 }, ptr %a64
-  %t121 = extractvalue { ptr, i64, i64 } %t120, 1
-  %t122 = icmp uge i64 3, %t121
-  br i1 %t122, label %range2727, label %inrange2728
-range2727:
-  call void @finch_panic_index(ptr @.str.1748, i64 984, i64 3, i64 %t121)
+  %t101 = load ptr, ptr %a1
+  %t102 = load %S.ast.Type, ptr %a49
+  %t103 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t101, %S.ast.Type %t102)
+  store { ptr, i64, i64 } { ptr @.str.1814, i64 23, i64 0 }, ptr %a105
+  store { ptr, i64, i64 } %t103, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  store { ptr, i64, i64 } %t108, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.1815, i64 6, i64 0 }, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t108, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  %t113 = load { ptr, i64, i64 }, ptr %a109
+  %t114 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t113, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t113, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1816, i64 6, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = load { ptr, i64, i64 }, ptr %a63
+  %t126 = extractvalue { ptr, i64, i64 } %t125, 1
+  %t127 = icmp uge i64 3, %t126
+  br i1 %t127, label %range2901, label %inrange2902
+range2901:
+  call void @finch_panic_index(ptr @.str.1817, i64 1119, i64 3, i64 %t126)
   unreachable
-inrange2728:
-  %t123 = extractvalue { ptr, i64, i64 } %t120, 0
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i64 3
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  store { ptr, i64, i64 } %t119, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = call { ptr, i64, i64 } @finch.gen.op(ptr %t99, { ptr, i64, i64 } %t129)
-  store { ptr, i64, i64 } %t130, ptr %a131
-  %t132 = load ptr, ptr %a1
-  %t133 = load ptr, ptr %a1
-  %t134 = load ptr, ptr %a1
-  %t135 = load %S.ast.Type, ptr %a51
-  %t136 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t134, %S.ast.Type %t135)
-  %t137 = load { ptr, i64, i64 }, ptr %a131
-  %t138 = call { ptr, i64, i64 } @finch.gen.load(ptr %t133, { ptr, i64, i64 } %t136, { ptr, i64, i64 } %t137)
-  %t139 = load %S.ast.Type, ptr %a51
-  call void @finch.gen.emitFormat(ptr %t132, { ptr, i64, i64 } { ptr @.str.1749, i64 4, i64 0 }, { ptr, i64, i64 } %t138, %S.ast.Type %t139, i1 true)
+inrange2902:
+  %t128 = extractvalue { ptr, i64, i64 } %t125, 0
+  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t128, i64 3
+  %t130 = load { ptr, i64, i64 }, ptr %t129
+  store { ptr, i64, i64 } %t124, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t124, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  %t136 = call { ptr, i64, i64 } @finch.gen.op(ptr %t100, { ptr, i64, i64 } %t135)
+  store { ptr, i64, i64 } %t135, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  store { ptr, i64, i64 } %t136, ptr %a138
+  %t139 = load ptr, ptr %a1
   %t140 = load ptr, ptr %a1
-  %t141 = load { ptr, i64, i64 }, ptr %a64
-  call void @finch.gen.loopEnd(ptr %t140, { ptr, i64, i64 } %t141)
-  %t142 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t142, { ptr, i64, i64 } { ptr @.str.1750, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1751, i64 1, i64 0 })
-  br label %endif2722
-else2721:
-  %t143 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.1752, i64 4, i64 0 }, ptr %a146
-  %t147 = call i32 @finch_str_eq(ptr %a145, ptr %a146)
-  %t148 = icmp ne i32 %t147, 0
-  br i1 %t148, label %then2729, label %else2730
-then2729:
+  %t141 = load ptr, ptr %a1
+  %t142 = load %S.ast.Type, ptr %a49
+  %t143 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t141, %S.ast.Type %t142)
+  %t144 = load { ptr, i64, i64 }, ptr %a138
+  %t145 = call { ptr, i64, i64 } @finch.gen.load(ptr %t140, { ptr, i64, i64 } %t143, { ptr, i64, i64 } %t144)
+  store { ptr, i64, i64 } %t143, ptr %a146
+  call void @finch_str_drop(ptr %a146)
+  %t147 = load %S.ast.Type, ptr %a49
+  call void @finch.gen.emitFormat(ptr %t139, { ptr, i64, i64 } { ptr @.str.1818, i64 4, i64 0 }, { ptr, i64, i64 } %t145, %S.ast.Type %t147, i1 true)
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_drop(ptr %a148)
   %t149 = load ptr, ptr %a1
-  %t150 = icmp eq ptr %t149, null
-  br i1 %t150, label %panic2732, label %ok2733
-panic2732:
-  call void @finch_panic(ptr @.str.1753, i64 990, ptr @.str.1754)
+  %t150 = load { ptr, i64, i64 }, ptr %a63
+  call void @finch.gen.loopEnd(ptr %t149, { ptr, i64, i64 } %t150)
+  %t151 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t151, { ptr, i64, i64 } { ptr @.str.1819, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1820, i64 1, i64 0 })
+  call void @finch_str_drop(ptr %a138)
+  call void @finch_str_drop(ptr %a88)
+  call void @finch_str_drop(ptr %a69)
+  call void @finch_str_drop(ptr %a66)
+  call void @finch.drop.arr_str(ptr %a63)
+  call void @finch_str_drop(ptr %a58)
+  call void @finch_str_drop(ptr %a52)
+  call void @finch.drop.S_ast_Type(ptr %a49)
+  br label %endif2896
+else2895:
+  %t152 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  store { ptr, i64, i64 } %t153, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.1821, i64 4, i64 0 }, ptr %a155
+  %t156 = call i32 @finch_str_eq(ptr %a154, ptr %a155)
+  %t157 = icmp ne i32 %t156, 0
+  br i1 %t157, label %then2903, label %else2904
+then2903:
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic2906, label %ok2907
+panic2906:
+  call void @finch_panic(ptr @.str.1822, i64 1125, ptr @.str.1823)
   unreachable
-ok2733:
-  %t151 = getelementptr inbounds %S.gen.Gen, ptr %t149, i32 0, i32 20
-  %t152 = load ptr, ptr %a1
-  %t153 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t154 = load { ptr, i64, i64 }, ptr %t153
-  %t155 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t156 = load { ptr, i64, i64 }, ptr %t155
-  %t157 = call i64 @finch.gen.findEnum(ptr %t152, { ptr, i64, i64 } %t154, { ptr, i64, i64 } %t156)
-  %t158 = load { ptr, i64, i64 }, ptr %t151
-  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
-  %t160 = icmp uge i64 %t157, %t159
-  br i1 %t160, label %range2734, label %inrange2735
-range2734:
-  call void @finch_panic_index(ptr @.str.1755, i64 990, i64 %t157, i64 %t159)
+ok2907:
+  %t160 = getelementptr inbounds %S.gen.Gen, ptr %t158, i32 0, i32 21
+  %t161 = load ptr, ptr %a1
+  %t162 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  %t164 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  %t166 = call i64 @finch.gen.findEnum(ptr %t161, { ptr, i64, i64 } %t163, { ptr, i64, i64 } %t165)
+  %t167 = load { ptr, i64, i64 }, ptr %t160
+  %t168 = extractvalue { ptr, i64, i64 } %t167, 1
+  %t169 = icmp uge i64 %t166, %t168
+  br i1 %t169, label %range2908, label %inrange2909
+range2908:
+  call void @finch_panic_index(ptr @.str.1824, i64 1125, i64 %t166, i64 %t168)
   unreachable
-inrange2735:
-  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
-  %t162 = getelementptr inbounds %S.gen.EnumDef, ptr %t161, i64 %t157
-  %t163 = load %S.gen.EnumDef, ptr %t162
-  store %S.gen.EnumDef %t163, ptr %a164
-  call void @finch.copy.S_gen_EnumDef(ptr %a165, ptr %a164)
-  %t166 = load %S.gen.EnumDef, ptr %a165
-  store %S.gen.EnumDef %t166, ptr %a167
-  %t168 = load ptr, ptr %a1
-  %t169 = call { ptr, i64, i64 } @finch.gen.load(ptr %t168, { ptr, i64, i64 } { ptr @.str.1756, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1757, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t169, ptr %a170
-  %t171 = load ptr, ptr %a1
-  %t172 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t171, { ptr, i64, i64 } { ptr @.str.1758, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t172, ptr %a173
-  %t174 = load ptr, ptr %a1
-  %t175 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t174, { ptr, i64, i64 } { ptr @.str.1759, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t175, ptr %a176
-  store { ptr, i64, i64 } zeroinitializer, ptr %a177
-  store { ptr, i64, i64 } zeroinitializer, ptr %a178
-  %t179 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 2
-  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i32 0, i32 1
-  %t181 = load i64, ptr %t180
-  store i64 0, ptr %a182
-  br label %for.cond2736
-for.cond2736:
-  %t183 = load i64, ptr %a182
-  %t184 = icmp slt i64 %t183, %t181
-  br i1 %t184, label %for.body2737, label %for.end2739
-for.body2737:
-  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %a178, i32 0, i32 1
-  %t186 = load ptr, ptr %a1
-  %t187 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t186, { ptr, i64, i64 } { ptr @.str.1760, i64 6, i64 0 })
-  %t188 = load i64, ptr %t185
-  %t189 = add i64 %t188, 1
-  call void @finch_arr_reserve(ptr %a178, i64 %t189, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t190 = load ptr, ptr %a178
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t190, i64 %t188
-  store { ptr, i64, i64 } %t187, ptr %t191
-  store i64 %t189, ptr %t185
-  %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %a177, i32 0, i32 1
-  %t193 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 3
-  %t194 = load i64, ptr %a182
-  %t195 = load { ptr, i64, i64 }, ptr %t193
-  %t196 = extractvalue { ptr, i64, i64 } %t195, 1
-  %t197 = icmp uge i64 %t194, %t196
-  br i1 %t197, label %range2740, label %inrange2741
-range2740:
-  call void @finch_panic_index(ptr @.str.1762, i64 998, i64 %t194, i64 %t196)
+inrange2909:
+  %t170 = extractvalue { ptr, i64, i64 } %t167, 0
+  %t171 = getelementptr inbounds %S.gen.EnumDef, ptr %t170, i64 %t166
+  %t172 = load %S.gen.EnumDef, ptr %t171
+  store %S.gen.EnumDef %t172, ptr %a173
+  call void @finch.copy.S_gen_EnumDef(ptr %a174, ptr %a173)
+  %t175 = load %S.gen.EnumDef, ptr %a174
+  store %S.gen.EnumDef %t175, ptr %a176
+  %t177 = load ptr, ptr %a1
+  %t178 = call { ptr, i64, i64 } @finch.gen.load(ptr %t177, { ptr, i64, i64 } { ptr @.str.1825, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.1826, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t178, ptr %a179
+  %t180 = load ptr, ptr %a1
+  %t181 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t180, { ptr, i64, i64 } { ptr @.str.1827, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t181, ptr %a182
+  %t183 = load ptr, ptr %a1
+  %t184 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t183, { ptr, i64, i64 } { ptr @.str.1828, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t184, ptr %a185
+  store { ptr, i64, i64 } zeroinitializer, ptr %a186
+  store { ptr, i64, i64 } zeroinitializer, ptr %a187
+  %t188 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 2
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i32 0, i32 1
+  %t190 = load i64, ptr %t189
+  store i64 0, ptr %a191
+  br label %for.cond2910
+for.cond2910:
+  %t192 = load i64, ptr %a191
+  %t193 = icmp slt i64 %t192, %t190
+  br i1 %t193, label %for.body2911, label %for.end2913
+for.body2911:
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %a187, i32 0, i32 1
+  %t195 = load ptr, ptr %a1
+  %t196 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t195, { ptr, i64, i64 } { ptr @.str.1829, i64 6, i64 0 })
+  %t197 = load i64, ptr %t194
+  %t198 = add i64 %t197, 1
+  call void @finch_arr_reserve(ptr %a187, i64 %t198, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t199 = load ptr, ptr %a187
+  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i64 %t197
+  store { ptr, i64, i64 } %t196, ptr %t200
+  store i64 %t198, ptr %t194
+  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %a186, i32 0, i32 1
+  %t202 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 3
+  %t203 = load i64, ptr %a191
+  %t204 = load { ptr, i64, i64 }, ptr %t202
+  %t205 = extractvalue { ptr, i64, i64 } %t204, 1
+  %t206 = icmp uge i64 %t203, %t205
+  br i1 %t206, label %range2914, label %inrange2915
+range2914:
+  call void @finch_panic_index(ptr @.str.1831, i64 1133, i64 %t203, i64 %t205)
   unreachable
-inrange2741:
-  %t198 = extractvalue { ptr, i64, i64 } %t195, 0
-  %t199 = getelementptr inbounds i64, ptr %t198, i64 %t194
-  %t200 = load i64, ptr %t199
-  call void @finch_str_from_int(ptr %a201, i64 %t200)
-  %t202 = load { ptr, i64, i64 }, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.1761, i64 4, i64 0 }, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  store { ptr, i64, i64 } %t206, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.1763, i64 9, i64 0 }, ptr %a209
-  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  %t211 = load i64, ptr %a182
-  %t212 = load { ptr, i64, i64 }, ptr %a178
-  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
-  %t214 = icmp uge i64 %t211, %t213
-  br i1 %t214, label %range2742, label %inrange2743
-range2742:
-  call void @finch_panic_index(ptr @.str.1764, i64 998, i64 %t211, i64 %t213)
+inrange2915:
+  %t207 = extractvalue { ptr, i64, i64 } %t204, 0
+  %t208 = getelementptr inbounds i64, ptr %t207, i64 %t203
+  %t209 = load i64, ptr %t208
+  call void @finch_str_from_int(ptr %a210, i64 %t209)
+  %t211 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.1830, i64 4, i64 0 }, ptr %a213
+  store { ptr, i64, i64 } %t211, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  store { ptr, i64, i64 } %t211, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } %t216, ptr %a218
+  store { ptr, i64, i64 } { ptr @.str.1832, i64 9, i64 0 }, ptr %a219
+  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_drop(ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  %t222 = load i64, ptr %a191
+  %t223 = load { ptr, i64, i64 }, ptr %a187
+  %t224 = extractvalue { ptr, i64, i64 } %t223, 1
+  %t225 = icmp uge i64 %t222, %t224
+  br i1 %t225, label %range2916, label %inrange2917
+range2916:
+  call void @finch_panic_index(ptr @.str.1833, i64 1133, i64 %t222, i64 %t224)
   unreachable
-inrange2743:
-  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
-  %t216 = getelementptr inbounds { ptr, i64, i64 }, ptr %t215, i64 %t211
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  store { ptr, i64, i64 } %t210, ptr %a219
-  store { ptr, i64, i64 } %t217, ptr %a220
-  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
-  %t221 = load { ptr, i64, i64 }, ptr %a218
-  %t222 = load i64, ptr %t192
-  %t223 = add i64 %t222, 1
-  call void @finch_arr_reserve(ptr %a177, i64 %t223, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t224 = load ptr, ptr %a177
-  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i64 %t222
-  store { ptr, i64, i64 } %t221, ptr %t225
-  store i64 %t223, ptr %t192
-  br label %for.step2738
-for.step2738:
-  %t226 = load i64, ptr %a182
-  %t227 = add i64 %t226, 1
-  store i64 %t227, ptr %a182
-  br label %for.cond2736
-for.end2739:
-  %t228 = load ptr, ptr %a1
-  %t229 = load { ptr, i64, i64 }, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.1765, i64 11, i64 0 }, ptr %a231
-  store { ptr, i64, i64 } %t229, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  store { ptr, i64, i64 } %t233, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.1766, i64 9, i64 0 }, ptr %a236
-  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  %t238 = load { ptr, i64, i64 }, ptr %a173
-  store { ptr, i64, i64 } %t237, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t242, ptr %a244
-  store { ptr, i64, i64 } { ptr @.str.1767, i64 3, i64 0 }, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %a177, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.1768, i64 1, i64 0 }, ptr %a248
-  call void @finch_str_join(ptr %a249, ptr %a177, ptr %a248)
-  %t250 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t246, ptr %a252
+inrange2917:
+  %t226 = extractvalue { ptr, i64, i64 } %t223, 0
+  %t227 = getelementptr inbounds { ptr, i64, i64 }, ptr %t226, i64 %t222
+  %t228 = load { ptr, i64, i64 }, ptr %t227
+  store { ptr, i64, i64 } %t221, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  store { ptr, i64, i64 } %t221, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a229
+  %t234 = load i64, ptr %t201
+  %t235 = add i64 %t234, 1
+  call void @finch_arr_reserve(ptr %a186, i64 %t235, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t236 = load ptr, ptr %a186
+  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i64 %t234
+  store { ptr, i64, i64 } %t233, ptr %t237
+  store i64 %t235, ptr %t201
+  br label %for.step2912
+for.step2912:
+  %t238 = load i64, ptr %a191
+  %t239 = add i64 %t238, 1
+  store i64 %t239, ptr %a191
+  br label %for.cond2910
+for.end2913:
+  %t240 = load ptr, ptr %a1
+  %t241 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } { ptr @.str.1834, i64 11, i64 0 }, ptr %a243
+  store { ptr, i64, i64 } %t241, ptr %a244
+  call void @finch_str_concat(ptr %a242, ptr %a243, ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a242
+  store { ptr, i64, i64 } %t245, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.1835, i64 9, i64 0 }, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t245, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  %t250 = load { ptr, i64, i64 }, ptr %a246
+  %t251 = load { ptr, i64, i64 }, ptr %a182
   store { ptr, i64, i64 } %t250, ptr %a253
-  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
-  %t254 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } %t254, ptr %a256
-  store { ptr, i64, i64 } { ptr @.str.1769, i64 2, i64 0 }, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  call void @finch.gen.emit(ptr %t228, { ptr, i64, i64 } %t258)
-  %t259 = load ptr, ptr %a1
-  %t260 = icmp eq ptr %t259, null
-  br i1 %t260, label %panic2744, label %ok2745
-panic2744:
-  call void @finch_panic(ptr @.str.1770, i64 1001, ptr @.str.1771)
+  store { ptr, i64, i64 } %t251, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t250, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t256, ptr %a258
+  store { ptr, i64, i64 } { ptr @.str.1836, i64 3, i64 0 }, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t256, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a257
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %a186, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.1837, i64 1, i64 0 }, ptr %a263
+  call void @finch_str_join(ptr %a264, ptr %a186, ptr %a263)
+  %t265 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t261, ptr %a267
+  store { ptr, i64, i64 } %t265, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t261, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  store { ptr, i64, i64 } %t265, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a266
+  store { ptr, i64, i64 } %t271, ptr %a273
+  store { ptr, i64, i64 } { ptr @.str.1838, i64 2, i64 0 }, ptr %a274
+  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
+  store { ptr, i64, i64 } %t271, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a272
+  call void @finch.gen.emit(ptr %t240, { ptr, i64, i64 } %t276)
+  store { ptr, i64, i64 } %t276, ptr %a277
+  call void @finch_str_drop(ptr %a277)
+  %t278 = load ptr, ptr %a1
+  %t279 = icmp eq ptr %t278, null
+  br i1 %t279, label %panic2918, label %ok2919
+panic2918:
+  call void @finch_panic(ptr @.str.1839, i64 1136, ptr @.str.1840)
   unreachable
-ok2745:
-  %t261 = getelementptr inbounds %S.gen.Gen, ptr %t259, i32 0, i32 9
-  store i1 true, ptr %t261
-  %t262 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 2
-  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i32 0, i32 1
-  %t264 = load i64, ptr %t263
-  store i64 0, ptr %a265
-  br label %for.cond2746
-for.cond2746:
-  %t266 = load i64, ptr %a265
-  %t267 = icmp slt i64 %t266, %t264
-  br i1 %t267, label %for.body2747, label %for.end2749
-for.body2747:
-  %t268 = load ptr, ptr %a1
-  %t269 = load i64, ptr %a265
-  %t270 = load { ptr, i64, i64 }, ptr %a178
-  %t271 = extractvalue { ptr, i64, i64 } %t270, 1
-  %t272 = icmp uge i64 %t269, %t271
-  br i1 %t272, label %range2750, label %inrange2751
-range2750:
-  call void @finch_panic_index(ptr @.str.1772, i64 1003, i64 %t269, i64 %t271)
+ok2919:
+  %t280 = getelementptr inbounds %S.gen.Gen, ptr %t278, i32 0, i32 9
+  store i1 true, ptr %t280
+  %t281 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 2
+  %t282 = getelementptr inbounds { ptr, i64, i64 }, ptr %t281, i32 0, i32 1
+  %t283 = load i64, ptr %t282
+  store i64 0, ptr %a284
+  br label %for.cond2920
+for.cond2920:
+  %t285 = load i64, ptr %a284
+  %t286 = icmp slt i64 %t285, %t283
+  br i1 %t286, label %for.body2921, label %for.end2923
+for.body2921:
+  %t287 = load ptr, ptr %a1
+  %t288 = load i64, ptr %a284
+  %t289 = load { ptr, i64, i64 }, ptr %a187
+  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
+  %t291 = icmp uge i64 %t288, %t290
+  br i1 %t291, label %range2924, label %inrange2925
+range2924:
+  call void @finch_panic_index(ptr @.str.1841, i64 1138, i64 %t288, i64 %t290)
   unreachable
-inrange2751:
-  %t273 = extractvalue { ptr, i64, i64 } %t270, 0
-  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 %t269
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  call void @finch.gen.label(ptr %t268, { ptr, i64, i64 } %t275)
-  %t276 = load ptr, ptr %a1
-  %t277 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 2
-  %t278 = load i64, ptr %a265
-  %t279 = load { ptr, i64, i64 }, ptr %t277
-  %t280 = extractvalue { ptr, i64, i64 } %t279, 1
-  %t281 = icmp uge i64 %t278, %t280
-  br i1 %t281, label %range2752, label %inrange2753
-range2752:
-  call void @finch_panic_index(ptr @.str.1774, i64 1004, i64 %t278, i64 %t280)
+inrange2925:
+  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
+  %t293 = getelementptr inbounds { ptr, i64, i64 }, ptr %t292, i64 %t288
+  %t294 = load { ptr, i64, i64 }, ptr %t293
+  call void @finch.gen.label(ptr %t287, { ptr, i64, i64 } %t294)
+  %t295 = load ptr, ptr %a1
+  %t296 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 2
+  %t297 = load i64, ptr %a284
+  %t298 = load { ptr, i64, i64 }, ptr %t296
+  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
+  %t300 = icmp uge i64 %t297, %t299
+  br i1 %t300, label %range2926, label %inrange2927
+range2926:
+  call void @finch_panic_index(ptr @.str.1843, i64 1139, i64 %t297, i64 %t299)
   unreachable
-inrange2753:
-  %t282 = extractvalue { ptr, i64, i64 } %t279, 0
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i64 %t278
-  %t284 = load { ptr, i64, i64 }, ptr %t283
-  call void @finch.gen.bufText(ptr %t276, { ptr, i64, i64 } { ptr @.str.1773, i64 4, i64 0 }, { ptr, i64, i64 } %t284)
-  %t285 = load ptr, ptr %a1
-  %t286 = load { ptr, i64, i64 }, ptr %a176
-  call void @finch.gen.br(ptr %t285, { ptr, i64, i64 } %t286)
-  br label %for.step2748
-for.step2748:
-  %t287 = load i64, ptr %a265
-  %t288 = add i64 %t287, 1
-  store i64 %t288, ptr %a265
-  br label %for.cond2746
-for.end2749:
-  %t289 = load ptr, ptr %a1
-  %t290 = load { ptr, i64, i64 }, ptr %a173
-  call void @finch.gen.label(ptr %t289, { ptr, i64, i64 } %t290)
-  %t291 = load ptr, ptr %a1
-  %t292 = getelementptr inbounds %S.gen.EnumDef, ptr %a167, i32 0, i32 1
-  %t293 = load { ptr, i64, i64 }, ptr %t292
-  store { ptr, i64, i64 } %t293, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.1776, i64 1, i64 0 }, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  call void @finch.gen.bufText(ptr %t291, { ptr, i64, i64 } { ptr @.str.1775, i64 4, i64 0 }, { ptr, i64, i64 } %t297)
-  %t298 = load ptr, ptr %a1
-  %t299 = load ptr, ptr %a1
-  %t300 = load { ptr, i64, i64 }, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.1778, i64 9, i64 0 }, ptr %a302
-  store { ptr, i64, i64 } %t300, ptr %a303
-  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
-  %t304 = load { ptr, i64, i64 }, ptr %a301
-  store { ptr, i64, i64 } %t304, ptr %a306
-  store { ptr, i64, i64 } { ptr @.str.1779, i64 7, i64 0 }, ptr %a307
-  call void @finch_str_concat(ptr %a305, ptr %a306, ptr %a307)
-  %t308 = load { ptr, i64, i64 }, ptr %a305
-  %t309 = call { ptr, i64, i64 } @finch.gen.op(ptr %t299, { ptr, i64, i64 } %t308)
-  store { ptr, i64, i64 } { ptr @.str.1777, i64 39, i64 0 }, ptr %a311
-  store { ptr, i64, i64 } %t309, ptr %a312
-  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
-  %t313 = load { ptr, i64, i64 }, ptr %a310
-  store { ptr, i64, i64 } %t313, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.1780, i64 1, i64 0 }, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.emit(ptr %t298, { ptr, i64, i64 } %t317)
+inrange2927:
+  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 %t297
+  %t303 = load { ptr, i64, i64 }, ptr %t302
+  call void @finch.gen.bufText(ptr %t295, { ptr, i64, i64 } { ptr @.str.1842, i64 4, i64 0 }, { ptr, i64, i64 } %t303)
+  %t304 = load ptr, ptr %a1
+  %t305 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.br(ptr %t304, { ptr, i64, i64 } %t305)
+  br label %for.step2922
+for.step2922:
+  %t306 = load i64, ptr %a284
+  %t307 = add i64 %t306, 1
+  store i64 %t307, ptr %a284
+  br label %for.cond2920
+for.end2923:
+  %t308 = load ptr, ptr %a1
+  %t309 = load { ptr, i64, i64 }, ptr %a182
+  call void @finch.gen.label(ptr %t308, { ptr, i64, i64 } %t309)
+  %t310 = load ptr, ptr %a1
+  %t311 = getelementptr inbounds %S.gen.EnumDef, ptr %a176, i32 0, i32 1
+  %t312 = load { ptr, i64, i64 }, ptr %t311
+  store { ptr, i64, i64 } %t312, ptr %a314
+  store { ptr, i64, i64 } { ptr @.str.1845, i64 1, i64 0 }, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  %t316 = load { ptr, i64, i64 }, ptr %a313
+  call void @finch.gen.bufText(ptr %t310, { ptr, i64, i64 } { ptr @.str.1844, i64 4, i64 0 }, { ptr, i64, i64 } %t316)
+  store { ptr, i64, i64 } %t316, ptr %a317
+  call void @finch_str_drop(ptr %a317)
   %t318 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t318, { ptr, i64, i64 } { ptr @.str.1781, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1782, i64 1, i64 0 })
   %t319 = load ptr, ptr %a1
-  %t320 = load { ptr, i64, i64 }, ptr %a176
-  call void @finch.gen.br(ptr %t319, { ptr, i64, i64 } %t320)
-  %t321 = load ptr, ptr %a1
-  %t322 = load { ptr, i64, i64 }, ptr %a176
-  call void @finch.gen.label(ptr %t321, { ptr, i64, i64 } %t322)
-  br label %endif2731
-else2730:
-  %t323 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t324 = load { ptr, i64, i64 }, ptr %t323
-  store { ptr, i64, i64 } %t324, ptr %a325
-  store { ptr, i64, i64 } { ptr @.str.1783, i64 3, i64 0 }, ptr %a326
-  %t327 = call i32 @finch_str_eq(ptr %a325, ptr %a326)
-  %t328 = icmp ne i32 %t327, 0
-  br i1 %t328, label %then2754, label %else2755
-then2754:
-  %t329 = load ptr, ptr %a1
-  %t330 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t329, { ptr, i64, i64 } { ptr @.str.1784, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t330, ptr %a331
-  %t332 = load ptr, ptr %a1
-  %t333 = load { ptr, i64, i64 }, ptr %a331
-  call void @finch.gen.store(ptr %t332, { ptr, i64, i64 } { ptr @.str.1785, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1786, i64 4, i64 0 }, { ptr, i64, i64 } %t333)
-  %t334 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t334, { ptr, i64, i64 } { ptr @.str.1787, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1788, i64 1, i64 0 })
-  %t335 = load ptr, ptr %a1
-  %t336 = load ptr, ptr %a1
-  %t337 = load ptr, ptr %a1
-  %t338 = load %S.ast.Type, ptr %a2
-  %t339 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t337, %S.ast.Type %t338)
-  store { ptr, i64, i64 } { ptr @.str.1790, i64 23, i64 0 }, ptr %a341
-  store { ptr, i64, i64 } %t339, ptr %a342
-  call void @finch_str_concat(ptr %a340, ptr %a341, ptr %a342)
-  %t343 = load { ptr, i64, i64 }, ptr %a340
-  store { ptr, i64, i64 } %t343, ptr %a345
-  store { ptr, i64, i64 } { ptr @.str.1791, i64 22, i64 0 }, ptr %a346
-  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
-  %t347 = load { ptr, i64, i64 }, ptr %a344
-  %t348 = call { ptr, i64, i64 } @finch.gen.op(ptr %t336, { ptr, i64, i64 } %t347)
-  %t349 = call { ptr, i64, i64 } @finch.gen.load(ptr %t335, { ptr, i64, i64 } { ptr @.str.1789, i64 3, i64 0 }, { ptr, i64, i64 } %t348)
+  %t320 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } { ptr @.str.1847, i64 9, i64 0 }, ptr %a322
+  store { ptr, i64, i64 } %t320, ptr %a323
+  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a321
+  store { ptr, i64, i64 } %t324, ptr %a326
+  store { ptr, i64, i64 } { ptr @.str.1848, i64 7, i64 0 }, ptr %a327
+  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
+  store { ptr, i64, i64 } %t324, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a325
+  %t330 = call { ptr, i64, i64 } @finch.gen.op(ptr %t319, { ptr, i64, i64 } %t329)
+  store { ptr, i64, i64 } %t329, ptr %a331
+  call void @finch_str_drop(ptr %a331)
+  store { ptr, i64, i64 } { ptr @.str.1846, i64 39, i64 0 }, ptr %a333
+  store { ptr, i64, i64 } %t330, ptr %a334
+  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
+  store { ptr, i64, i64 } %t330, ptr %a335
+  call void @finch_str_drop(ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a332
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.1849, i64 1, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  store { ptr, i64, i64 } %t336, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  %t341 = load { ptr, i64, i64 }, ptr %a337
+  call void @finch.gen.emit(ptr %t318, { ptr, i64, i64 } %t341)
+  store { ptr, i64, i64 } %t341, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t343, { ptr, i64, i64 } { ptr @.str.1850, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1851, i64 1, i64 0 })
+  %t344 = load ptr, ptr %a1
+  %t345 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.br(ptr %t344, { ptr, i64, i64 } %t345)
+  %t346 = load ptr, ptr %a1
+  %t347 = load { ptr, i64, i64 }, ptr %a185
+  call void @finch.gen.label(ptr %t346, { ptr, i64, i64 } %t347)
+  call void @finch.drop.arr_str(ptr %a187)
+  call void @finch.drop.arr_str(ptr %a186)
+  call void @finch_str_drop(ptr %a185)
+  call void @finch_str_drop(ptr %a182)
+  call void @finch_str_drop(ptr %a179)
+  call void @finch.drop.S_gen_EnumDef(ptr %a176)
+  br label %endif2905
+else2904:
+  %t348 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t349 = load { ptr, i64, i64 }, ptr %t348
   store { ptr, i64, i64 } %t349, ptr %a350
-  %t351 = load ptr, ptr %a1
-  %t352 = load { ptr, i64, i64 }, ptr %a350
-  %t353 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t351, { ptr, i64, i64 } %t352)
-  store { ptr, i64, i64 } %t353, ptr %a354
-  %t355 = load ptr, ptr %a1
-  %t356 = load %S.ast.Type, ptr %a2
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  %t358 = extractvalue { ptr, i64, i64 } %t357, 1
-  %t359 = icmp uge i64 3, %t358
-  br i1 %t359, label %range2757, label %inrange2758
-range2757:
-  call void @finch_panic_index(ptr @.str.1793, i64 1020, i64 3, i64 %t358)
-  unreachable
-inrange2758:
-  %t360 = extractvalue { ptr, i64, i64 } %t357, 0
-  %t361 = getelementptr inbounds { ptr, i64, i64 }, ptr %t360, i64 3
-  %t362 = load { ptr, i64, i64 }, ptr %t361
-  %t363 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t355, { ptr, i64, i64 } { ptr @.str.1792, i64 2, i64 0 }, %S.ast.Type %t356, { ptr, i64, i64 } %t362)
-  store { ptr, i64, i64 } %t363, ptr %a364
-  %t365 = load ptr, ptr %a1
-  %t366 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t365, { ptr, i64, i64 } { ptr @.str.1794, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t366, ptr %a367
-  %t368 = load ptr, ptr %a1
-  %t369 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t368, { ptr, i64, i64 } { ptr @.str.1795, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t369, ptr %a370
-  %t371 = load ptr, ptr %a1
-  %t372 = load ptr, ptr %a1
-  %t373 = load ptr, ptr %a1
-  %t374 = load ptr, ptr %a1
-  %t375 = load { ptr, i64, i64 }, ptr %a364
-  %t376 = load %S.ast.Type, ptr %a2
-  %t377 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t374, { ptr, i64, i64 } %t375, %S.ast.Type %t376, i64 0)
-  %t378 = call { ptr, i64, i64 } @finch.gen.load(ptr %t373, { ptr, i64, i64 } { ptr @.str.1797, i64 3, i64 0 }, { ptr, i64, i64 } %t377)
-  store { ptr, i64, i64 } { ptr @.str.1796, i64 12, i64 0 }, ptr %a380
-  store { ptr, i64, i64 } %t378, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  store { ptr, i64, i64 } %t382, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.1798, i64 3, i64 0 }, ptr %a385
-  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
+  store { ptr, i64, i64 } { ptr @.str.1852, i64 3, i64 0 }, ptr %a351
+  %t352 = call i32 @finch_str_eq(ptr %a350, ptr %a351)
+  %t353 = icmp ne i32 %t352, 0
+  br i1 %t353, label %then2928, label %else2929
+then2928:
+  %t354 = load ptr, ptr %a1
+  %t355 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t354, { ptr, i64, i64 } { ptr @.str.1853, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t355, ptr %a356
+  %t357 = load ptr, ptr %a1
+  %t358 = load { ptr, i64, i64 }, ptr %a356
+  call void @finch.gen.store(ptr %t357, { ptr, i64, i64 } { ptr @.str.1854, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1855, i64 4, i64 0 }, { ptr, i64, i64 } %t358)
+  %t359 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t359, { ptr, i64, i64 } { ptr @.str.1856, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1857, i64 1, i64 0 })
+  %t360 = load ptr, ptr %a1
+  %t361 = load ptr, ptr %a1
+  %t362 = load ptr, ptr %a1
+  %t363 = load %S.ast.Type, ptr %a2
+  %t364 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t362, %S.ast.Type %t363)
+  store { ptr, i64, i64 } { ptr @.str.1859, i64 23, i64 0 }, ptr %a366
+  store { ptr, i64, i64 } %t364, ptr %a367
+  call void @finch_str_concat(ptr %a365, ptr %a366, ptr %a367)
+  store { ptr, i64, i64 } %t364, ptr %a368
+  call void @finch_str_drop(ptr %a368)
+  %t369 = load { ptr, i64, i64 }, ptr %a365
+  store { ptr, i64, i64 } %t369, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.1860, i64 22, i64 0 }, ptr %a372
+  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
+  store { ptr, i64, i64 } %t369, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a370
+  %t375 = call { ptr, i64, i64 } @finch.gen.op(ptr %t361, { ptr, i64, i64 } %t374)
+  store { ptr, i64, i64 } %t374, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = call { ptr, i64, i64 } @finch.gen.load(ptr %t360, { ptr, i64, i64 } { ptr @.str.1858, i64 3, i64 0 }, { ptr, i64, i64 } %t375)
+  store { ptr, i64, i64 } %t375, ptr %a378
+  call void @finch_str_drop(ptr %a378)
+  store { ptr, i64, i64 } %t377, ptr %a379
+  %t380 = load ptr, ptr %a1
+  %t381 = load { ptr, i64, i64 }, ptr %a379
+  %t382 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t380, { ptr, i64, i64 } %t381)
+  store { ptr, i64, i64 } %t382, ptr %a383
+  %t384 = load ptr, ptr %a1
+  %t385 = load %S.ast.Type, ptr %a2
   %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = call { ptr, i64, i64 } @finch.gen.op(ptr %t372, { ptr, i64, i64 } %t386)
-  %t388 = load { ptr, i64, i64 }, ptr %a367
-  %t389 = load { ptr, i64, i64 }, ptr %a370
-  call void @finch.gen.condBr(ptr %t371, { ptr, i64, i64 } %t387, { ptr, i64, i64 } %t388, { ptr, i64, i64 } %t389)
-  %t390 = load ptr, ptr %a1
-  %t391 = load { ptr, i64, i64 }, ptr %a367
-  call void @finch.gen.label(ptr %t390, { ptr, i64, i64 } %t391)
-  %t392 = load ptr, ptr %a1
-  %t393 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t392, { ptr, i64, i64 } { ptr @.str.1799, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t393, ptr %a394
-  %t395 = load ptr, ptr %a1
-  %t396 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t395, { ptr, i64, i64 } { ptr @.str.1800, i64 4, i64 0 })
-  store { ptr, i64, i64 } %t396, ptr %a397
-  %t398 = load ptr, ptr %a1
-  %t399 = load ptr, ptr %a1
-  %t400 = load { ptr, i64, i64 }, ptr %a331
-  %t401 = call { ptr, i64, i64 } @finch.gen.load(ptr %t399, { ptr, i64, i64 } { ptr @.str.1801, i64 2, i64 0 }, { ptr, i64, i64 } %t400)
-  %t402 = load { ptr, i64, i64 }, ptr %a397
-  %t403 = load { ptr, i64, i64 }, ptr %a394
-  call void @finch.gen.condBr(ptr %t398, { ptr, i64, i64 } %t401, { ptr, i64, i64 } %t402, { ptr, i64, i64 } %t403)
-  %t404 = load ptr, ptr %a1
-  %t405 = load { ptr, i64, i64 }, ptr %a394
-  call void @finch.gen.label(ptr %t404, { ptr, i64, i64 } %t405)
-  %t406 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t406, { ptr, i64, i64 } { ptr @.str.1802, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1803, i64 2, i64 0 })
-  %t407 = load ptr, ptr %a1
-  %t408 = load { ptr, i64, i64 }, ptr %a397
-  call void @finch.gen.br(ptr %t407, { ptr, i64, i64 } %t408)
-  %t409 = load ptr, ptr %a1
-  %t410 = load { ptr, i64, i64 }, ptr %a397
-  call void @finch.gen.label(ptr %t409, { ptr, i64, i64 } %t410)
-  %t411 = load ptr, ptr %a1
-  %t412 = load { ptr, i64, i64 }, ptr %a331
-  call void @finch.gen.store(ptr %t411, { ptr, i64, i64 } { ptr @.str.1804, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1805, i64 5, i64 0 }, { ptr, i64, i64 } %t412)
-  %t413 = load ptr, ptr %a1
-  %t414 = load ptr, ptr %a1
-  %t415 = load ptr, ptr %a1
-  %t416 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t417 = load { ptr, i64, i64 }, ptr %t416
-  %t418 = extractvalue { ptr, i64, i64 } %t417, 1
-  %t419 = icmp uge i64 0, %t418
-  br i1 %t419, label %range2759, label %inrange2760
-range2759:
-  call void @finch_panic_index(ptr @.str.1807, i64 1033, i64 0, i64 %t418)
+  %t387 = extractvalue { ptr, i64, i64 } %t386, 1
+  %t388 = icmp uge i64 3, %t387
+  br i1 %t388, label %range2931, label %inrange2932
+range2931:
+  call void @finch_panic_index(ptr @.str.1862, i64 1155, i64 3, i64 %t387)
   unreachable
-inrange2760:
-  %t420 = extractvalue { ptr, i64, i64 } %t417, 0
-  %t421 = getelementptr inbounds %S.ast.Type, ptr %t420, i64 0
-  %t422 = load %S.ast.Type, ptr %t421
-  %t423 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t415, %S.ast.Type %t422)
+inrange2932:
+  %t389 = extractvalue { ptr, i64, i64 } %t386, 0
+  %t390 = getelementptr inbounds { ptr, i64, i64 }, ptr %t389, i64 3
+  %t391 = load { ptr, i64, i64 }, ptr %t390
+  %t392 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t384, { ptr, i64, i64 } { ptr @.str.1861, i64 2, i64 0 }, %S.ast.Type %t385, { ptr, i64, i64 } %t391)
+  store { ptr, i64, i64 } %t392, ptr %a393
+  %t394 = load ptr, ptr %a1
+  %t395 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t394, { ptr, i64, i64 } { ptr @.str.1863, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t395, ptr %a396
+  %t397 = load ptr, ptr %a1
+  %t398 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t397, { ptr, i64, i64 } { ptr @.str.1864, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t398, ptr %a399
+  %t400 = load ptr, ptr %a1
+  %t401 = load ptr, ptr %a1
+  %t402 = load ptr, ptr %a1
+  %t403 = load ptr, ptr %a1
+  %t404 = load { ptr, i64, i64 }, ptr %a393
+  %t405 = load %S.ast.Type, ptr %a2
+  %t406 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t403, { ptr, i64, i64 } %t404, %S.ast.Type %t405, i64 0)
+  %t407 = call { ptr, i64, i64 } @finch.gen.load(ptr %t402, { ptr, i64, i64 } { ptr @.str.1866, i64 3, i64 0 }, { ptr, i64, i64 } %t406)
+  store { ptr, i64, i64 } %t406, ptr %a408
+  call void @finch_str_drop(ptr %a408)
+  store { ptr, i64, i64 } { ptr @.str.1865, i64 12, i64 0 }, ptr %a410
+  store { ptr, i64, i64 } %t407, ptr %a411
+  call void @finch_str_concat(ptr %a409, ptr %a410, ptr %a411)
+  store { ptr, i64, i64 } %t407, ptr %a412
+  call void @finch_str_drop(ptr %a412)
+  %t413 = load { ptr, i64, i64 }, ptr %a409
+  store { ptr, i64, i64 } %t413, ptr %a415
+  store { ptr, i64, i64 } { ptr @.str.1867, i64 3, i64 0 }, ptr %a416
+  call void @finch_str_concat(ptr %a414, ptr %a415, ptr %a416)
+  store { ptr, i64, i64 } %t413, ptr %a417
+  call void @finch_str_drop(ptr %a417)
+  %t418 = load { ptr, i64, i64 }, ptr %a414
+  %t419 = call { ptr, i64, i64 } @finch.gen.op(ptr %t401, { ptr, i64, i64 } %t418)
+  store { ptr, i64, i64 } %t418, ptr %a420
+  call void @finch_str_drop(ptr %a420)
+  %t421 = load { ptr, i64, i64 }, ptr %a396
+  %t422 = load { ptr, i64, i64 }, ptr %a399
+  call void @finch.gen.condBr(ptr %t400, { ptr, i64, i64 } %t419, { ptr, i64, i64 } %t421, { ptr, i64, i64 } %t422)
+  store { ptr, i64, i64 } %t419, ptr %a423
+  call void @finch_str_drop(ptr %a423)
   %t424 = load ptr, ptr %a1
-  %t425 = load { ptr, i64, i64 }, ptr %a364
-  %t426 = load %S.ast.Type, ptr %a2
-  %t427 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t424, { ptr, i64, i64 } %t425, %S.ast.Type %t426, i64 1)
-  %t428 = call { ptr, i64, i64 } @finch.gen.load(ptr %t414, { ptr, i64, i64 } %t423, { ptr, i64, i64 } %t427)
-  %t429 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t430 = load { ptr, i64, i64 }, ptr %t429
-  %t431 = extractvalue { ptr, i64, i64 } %t430, 1
-  %t432 = icmp uge i64 0, %t431
-  br i1 %t432, label %range2761, label %inrange2762
-range2761:
-  call void @finch_panic_index(ptr @.str.1808, i64 1033, i64 0, i64 %t431)
-  unreachable
-inrange2762:
-  %t433 = extractvalue { ptr, i64, i64 } %t430, 0
-  %t434 = getelementptr inbounds %S.ast.Type, ptr %t433, i64 0
-  %t435 = load %S.ast.Type, ptr %t434
-  call void @finch.gen.emitFormat(ptr %t413, { ptr, i64, i64 } { ptr @.str.1806, i64 4, i64 0 }, { ptr, i64, i64 } %t428, %S.ast.Type %t435, i1 true)
-  %t436 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t436, { ptr, i64, i64 } { ptr @.str.1809, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1810, i64 2, i64 0 })
-  %t437 = load ptr, ptr %a1
-  %t438 = load ptr, ptr %a1
+  %t425 = load { ptr, i64, i64 }, ptr %a396
+  call void @finch.gen.label(ptr %t424, { ptr, i64, i64 } %t425)
+  %t426 = load ptr, ptr %a1
+  %t427 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t426, { ptr, i64, i64 } { ptr @.str.1868, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t427, ptr %a428
+  %t429 = load ptr, ptr %a1
+  %t430 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t429, { ptr, i64, i64 } { ptr @.str.1869, i64 4, i64 0 })
+  store { ptr, i64, i64 } %t430, ptr %a431
+  %t432 = load ptr, ptr %a1
+  %t433 = load ptr, ptr %a1
+  %t434 = load { ptr, i64, i64 }, ptr %a356
+  %t435 = call { ptr, i64, i64 } @finch.gen.load(ptr %t433, { ptr, i64, i64 } { ptr @.str.1870, i64 2, i64 0 }, { ptr, i64, i64 } %t434)
+  %t436 = load { ptr, i64, i64 }, ptr %a431
+  %t437 = load { ptr, i64, i64 }, ptr %a428
+  call void @finch.gen.condBr(ptr %t432, { ptr, i64, i64 } %t435, { ptr, i64, i64 } %t436, { ptr, i64, i64 } %t437)
+  store { ptr, i64, i64 } %t435, ptr %a438
+  call void @finch_str_drop(ptr %a438)
   %t439 = load ptr, ptr %a1
-  %t440 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t441 = load { ptr, i64, i64 }, ptr %t440
-  %t442 = extractvalue { ptr, i64, i64 } %t441, 1
-  %t443 = icmp uge i64 1, %t442
-  br i1 %t443, label %range2763, label %inrange2764
-range2763:
-  call void @finch_panic_index(ptr @.str.1812, i64 1035, i64 1, i64 %t442)
-  unreachable
-inrange2764:
-  %t444 = extractvalue { ptr, i64, i64 } %t441, 0
-  %t445 = getelementptr inbounds %S.ast.Type, ptr %t444, i64 1
-  %t446 = load %S.ast.Type, ptr %t445
-  %t447 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t439, %S.ast.Type %t446)
+  %t440 = load { ptr, i64, i64 }, ptr %a428
+  call void @finch.gen.label(ptr %t439, { ptr, i64, i64 } %t440)
+  %t441 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t441, { ptr, i64, i64 } { ptr @.str.1871, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1872, i64 2, i64 0 })
+  %t442 = load ptr, ptr %a1
+  %t443 = load { ptr, i64, i64 }, ptr %a431
+  call void @finch.gen.br(ptr %t442, { ptr, i64, i64 } %t443)
+  %t444 = load ptr, ptr %a1
+  %t445 = load { ptr, i64, i64 }, ptr %a431
+  call void @finch.gen.label(ptr %t444, { ptr, i64, i64 } %t445)
+  %t446 = load ptr, ptr %a1
+  %t447 = load { ptr, i64, i64 }, ptr %a356
+  call void @finch.gen.store(ptr %t446, { ptr, i64, i64 } { ptr @.str.1873, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.1874, i64 5, i64 0 }, { ptr, i64, i64 } %t447)
   %t448 = load ptr, ptr %a1
-  %t449 = load { ptr, i64, i64 }, ptr %a364
-  %t450 = load %S.ast.Type, ptr %a2
-  %t451 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t448, { ptr, i64, i64 } %t449, %S.ast.Type %t450, i64 2)
-  %t452 = call { ptr, i64, i64 } @finch.gen.load(ptr %t438, { ptr, i64, i64 } %t447, { ptr, i64, i64 } %t451)
-  %t453 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t454 = load { ptr, i64, i64 }, ptr %t453
-  %t455 = extractvalue { ptr, i64, i64 } %t454, 1
-  %t456 = icmp uge i64 1, %t455
-  br i1 %t456, label %range2765, label %inrange2766
-range2765:
-  call void @finch_panic_index(ptr @.str.1813, i64 1035, i64 1, i64 %t455)
+  %t449 = load ptr, ptr %a1
+  %t450 = load ptr, ptr %a1
+  %t451 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t452 = load { ptr, i64, i64 }, ptr %t451
+  %t453 = extractvalue { ptr, i64, i64 } %t452, 1
+  %t454 = icmp uge i64 0, %t453
+  br i1 %t454, label %range2933, label %inrange2934
+range2933:
+  call void @finch_panic_index(ptr @.str.1876, i64 1168, i64 0, i64 %t453)
   unreachable
-inrange2766:
-  %t457 = extractvalue { ptr, i64, i64 } %t454, 0
-  %t458 = getelementptr inbounds %S.ast.Type, ptr %t457, i64 1
-  %t459 = load %S.ast.Type, ptr %t458
-  call void @finch.gen.emitFormat(ptr %t437, { ptr, i64, i64 } { ptr @.str.1811, i64 4, i64 0 }, { ptr, i64, i64 } %t452, %S.ast.Type %t459, i1 true)
-  %t460 = load ptr, ptr %a1
-  %t461 = load { ptr, i64, i64 }, ptr %a370
-  call void @finch.gen.br(ptr %t460, { ptr, i64, i64 } %t461)
-  %t462 = load ptr, ptr %a1
-  %t463 = load { ptr, i64, i64 }, ptr %a370
-  call void @finch.gen.label(ptr %t462, { ptr, i64, i64 } %t463)
-  %t464 = load ptr, ptr %a1
-  %t465 = load { ptr, i64, i64 }, ptr %a354
-  call void @finch.gen.loopEnd(ptr %t464, { ptr, i64, i64 } %t465)
-  %t466 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t466, { ptr, i64, i64 } { ptr @.str.1814, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1815, i64 1, i64 0 })
-  br label %endif2756
-else2755:
-  %t467 = load ptr, ptr %a1
-  %t468 = icmp eq ptr %t467, null
-  br i1 %t468, label %panic2767, label %ok2768
-panic2767:
-  call void @finch_panic(ptr @.str.1816, i64 1041, ptr @.str.1817)
+inrange2934:
+  %t455 = extractvalue { ptr, i64, i64 } %t452, 0
+  %t456 = getelementptr inbounds %S.ast.Type, ptr %t455, i64 0
+  %t457 = load %S.ast.Type, ptr %t456
+  %t458 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t450, %S.ast.Type %t457)
+  %t459 = load ptr, ptr %a1
+  %t460 = load { ptr, i64, i64 }, ptr %a393
+  %t461 = load %S.ast.Type, ptr %a2
+  %t462 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t459, { ptr, i64, i64 } %t460, %S.ast.Type %t461, i64 1)
+  %t463 = call { ptr, i64, i64 } @finch.gen.load(ptr %t449, { ptr, i64, i64 } %t458, { ptr, i64, i64 } %t462)
+  store { ptr, i64, i64 } %t458, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  store { ptr, i64, i64 } %t462, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  %t466 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t467 = load { ptr, i64, i64 }, ptr %t466
+  %t468 = extractvalue { ptr, i64, i64 } %t467, 1
+  %t469 = icmp uge i64 0, %t468
+  br i1 %t469, label %range2935, label %inrange2936
+range2935:
+  call void @finch_panic_index(ptr @.str.1877, i64 1168, i64 0, i64 %t468)
   unreachable
-ok2768:
-  %t469 = getelementptr inbounds %S.gen.Gen, ptr %t467, i32 0, i32 15
-  %t470 = load ptr, ptr %a1
-  %t471 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t472 = load { ptr, i64, i64 }, ptr %t471
-  %t473 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t474 = load { ptr, i64, i64 }, ptr %t473
-  %t475 = call i64 @finch.gen.findStruct(ptr %t470, { ptr, i64, i64 } %t472, { ptr, i64, i64 } %t474)
-  %t476 = load { ptr, i64, i64 }, ptr %t469
-  %t477 = extractvalue { ptr, i64, i64 } %t476, 1
-  %t478 = icmp uge i64 %t475, %t477
-  br i1 %t478, label %range2769, label %inrange2770
-range2769:
-  call void @finch_panic_index(ptr @.str.1818, i64 1041, i64 %t475, i64 %t477)
+inrange2936:
+  %t470 = extractvalue { ptr, i64, i64 } %t467, 0
+  %t471 = getelementptr inbounds %S.ast.Type, ptr %t470, i64 0
+  %t472 = load %S.ast.Type, ptr %t471
+  call void @finch.gen.emitFormat(ptr %t448, { ptr, i64, i64 } { ptr @.str.1875, i64 4, i64 0 }, { ptr, i64, i64 } %t463, %S.ast.Type %t472, i1 true)
+  store { ptr, i64, i64 } %t463, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  %t474 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t474, { ptr, i64, i64 } { ptr @.str.1878, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1879, i64 2, i64 0 })
+  %t475 = load ptr, ptr %a1
+  %t476 = load ptr, ptr %a1
+  %t477 = load ptr, ptr %a1
+  %t478 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t479 = load { ptr, i64, i64 }, ptr %t478
+  %t480 = extractvalue { ptr, i64, i64 } %t479, 1
+  %t481 = icmp uge i64 1, %t480
+  br i1 %t481, label %range2937, label %inrange2938
+range2937:
+  call void @finch_panic_index(ptr @.str.1881, i64 1170, i64 1, i64 %t480)
   unreachable
-inrange2770:
-  %t479 = extractvalue { ptr, i64, i64 } %t476, 0
-  %t480 = getelementptr inbounds %S.gen.StructDef, ptr %t479, i64 %t475
-  %t481 = load %S.gen.StructDef, ptr %t480
-  store %S.gen.StructDef %t481, ptr %a482
-  call void @finch.copy.S_gen_StructDef(ptr %a483, ptr %a482)
-  %t484 = load %S.gen.StructDef, ptr %a483
-  store %S.gen.StructDef %t484, ptr %a485
+inrange2938:
+  %t482 = extractvalue { ptr, i64, i64 } %t479, 0
+  %t483 = getelementptr inbounds %S.ast.Type, ptr %t482, i64 1
+  %t484 = load %S.ast.Type, ptr %t483
+  %t485 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t477, %S.ast.Type %t484)
   %t486 = load ptr, ptr %a1
-  %t487 = load %S.ast.Type, ptr %a2
-  %t488 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t486, %S.ast.Type %t487)
-  store { ptr, i64, i64 } %t488, ptr %a489
-  %t490 = load ptr, ptr %a1
-  %t491 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 1
-  %t492 = load { ptr, i64, i64 }, ptr %t491
-  store { ptr, i64, i64 } %t492, ptr %a494
-  store { ptr, i64, i64 } { ptr @.str.1820, i64 1, i64 0 }, ptr %a495
-  call void @finch_str_concat(ptr %a493, ptr %a494, ptr %a495)
-  %t496 = load { ptr, i64, i64 }, ptr %a493
-  call void @finch.gen.bufText(ptr %t490, { ptr, i64, i64 } { ptr @.str.1819, i64 4, i64 0 }, { ptr, i64, i64 } %t496)
-  %t497 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 12
-  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t497, i32 0, i32 1
-  %t499 = load i64, ptr %t498
-  store i64 0, ptr %a500
-  br label %for.cond2771
-for.cond2771:
-  %t501 = load i64, ptr %a500
-  %t502 = icmp slt i64 %t501, %t499
-  br i1 %t502, label %for.body2772, label %for.end2774
-for.body2772:
-  store { ptr, i64, i64 } { ptr @.str.1821, i64 2, i64 0 }, ptr %a503
-  %t504 = load i64, ptr %a500
-  %t505 = icmp eq i64 %t504, 0
-  br i1 %t505, label %then2775, label %endif2777
-then2775:
-  store { ptr, i64, i64 } { ptr @.str.1822, i64 0, i64 0 }, ptr %a503
-  br label %endif2777
-endif2777:
-  %t506 = load ptr, ptr %a1
-  %t507 = load { ptr, i64, i64 }, ptr %a503
-  %t508 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 11
-  %t509 = load i64, ptr %a500
-  %t510 = load { ptr, i64, i64 }, ptr %t508
-  %t511 = extractvalue { ptr, i64, i64 } %t510, 1
-  %t512 = icmp uge i64 %t509, %t511
-  br i1 %t512, label %range2778, label %inrange2779
-range2778:
-  call void @finch_panic_index(ptr @.str.1824, i64 1049, i64 %t509, i64 %t511)
+  %t487 = load { ptr, i64, i64 }, ptr %a393
+  %t488 = load %S.ast.Type, ptr %a2
+  %t489 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t486, { ptr, i64, i64 } %t487, %S.ast.Type %t488, i64 2)
+  %t490 = call { ptr, i64, i64 } @finch.gen.load(ptr %t476, { ptr, i64, i64 } %t485, { ptr, i64, i64 } %t489)
+  store { ptr, i64, i64 } %t485, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  store { ptr, i64, i64 } %t489, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t494 = load { ptr, i64, i64 }, ptr %t493
+  %t495 = extractvalue { ptr, i64, i64 } %t494, 1
+  %t496 = icmp uge i64 1, %t495
+  br i1 %t496, label %range2939, label %inrange2940
+range2939:
+  call void @finch_panic_index(ptr @.str.1882, i64 1170, i64 1, i64 %t495)
   unreachable
-inrange2779:
-  %t513 = extractvalue { ptr, i64, i64 } %t510, 0
-  %t514 = getelementptr inbounds { ptr, i64, i64 }, ptr %t513, i64 %t509
+inrange2940:
+  %t497 = extractvalue { ptr, i64, i64 } %t494, 0
+  %t498 = getelementptr inbounds %S.ast.Type, ptr %t497, i64 1
+  %t499 = load %S.ast.Type, ptr %t498
+  call void @finch.gen.emitFormat(ptr %t475, { ptr, i64, i64 } { ptr @.str.1880, i64 4, i64 0 }, { ptr, i64, i64 } %t490, %S.ast.Type %t499, i1 true)
+  store { ptr, i64, i64 } %t490, ptr %a500
+  call void @finch_str_drop(ptr %a500)
+  %t501 = load ptr, ptr %a1
+  %t502 = load { ptr, i64, i64 }, ptr %a399
+  call void @finch.gen.br(ptr %t501, { ptr, i64, i64 } %t502)
+  %t503 = load ptr, ptr %a1
+  %t504 = load { ptr, i64, i64 }, ptr %a399
+  call void @finch.gen.label(ptr %t503, { ptr, i64, i64 } %t504)
+  %t505 = load ptr, ptr %a1
+  %t506 = load { ptr, i64, i64 }, ptr %a383
+  call void @finch.gen.loopEnd(ptr %t505, { ptr, i64, i64 } %t506)
+  %t507 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t507, { ptr, i64, i64 } { ptr @.str.1883, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1884, i64 1, i64 0 })
+  call void @finch_str_drop(ptr %a431)
+  call void @finch_str_drop(ptr %a428)
+  call void @finch_str_drop(ptr %a399)
+  call void @finch_str_drop(ptr %a396)
+  call void @finch_str_drop(ptr %a393)
+  call void @finch.drop.arr_str(ptr %a383)
+  call void @finch_str_drop(ptr %a379)
+  call void @finch_str_drop(ptr %a356)
+  br label %endif2930
+else2929:
+  %t508 = load ptr, ptr %a1
+  %t509 = icmp eq ptr %t508, null
+  br i1 %t509, label %panic2941, label %ok2942
+panic2941:
+  call void @finch_panic(ptr @.str.1885, i64 1176, ptr @.str.1886)
+  unreachable
+ok2942:
+  %t510 = getelementptr inbounds %S.gen.Gen, ptr %t508, i32 0, i32 16
+  %t511 = load ptr, ptr %a1
+  %t512 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t513 = load { ptr, i64, i64 }, ptr %t512
+  %t514 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t515 = load { ptr, i64, i64 }, ptr %t514
-  store { ptr, i64, i64 } %t507, ptr %a517
-  store { ptr, i64, i64 } %t515, ptr %a518
-  call void @finch_str_concat(ptr %a516, ptr %a517, ptr %a518)
-  %t519 = load { ptr, i64, i64 }, ptr %a516
-  store { ptr, i64, i64 } %t519, ptr %a521
-  store { ptr, i64, i64 } { ptr @.str.1825, i64 2, i64 0 }, ptr %a522
-  call void @finch_str_concat(ptr %a520, ptr %a521, ptr %a522)
-  %t523 = load { ptr, i64, i64 }, ptr %a520
-  call void @finch.gen.bufText(ptr %t506, { ptr, i64, i64 } { ptr @.str.1823, i64 4, i64 0 }, { ptr, i64, i64 } %t523)
-  %t524 = load ptr, ptr %a1
-  %t525 = load { ptr, i64, i64 }, ptr %a489
-  store { ptr, i64, i64 } { ptr @.str.1826, i64 23, i64 0 }, ptr %a527
-  store { ptr, i64, i64 } %t525, ptr %a528
-  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
-  %t529 = load { ptr, i64, i64 }, ptr %a526
-  store { ptr, i64, i64 } %t529, ptr %a531
-  store { ptr, i64, i64 } { ptr @.str.1827, i64 21, i64 0 }, ptr %a532
-  call void @finch_str_concat(ptr %a530, ptr %a531, ptr %a532)
-  %t533 = load { ptr, i64, i64 }, ptr %a530
-  %t534 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 3
-  %t535 = load i64, ptr %a500
-  %t536 = load { ptr, i64, i64 }, ptr %t534
-  %t537 = extractvalue { ptr, i64, i64 } %t536, 1
-  %t538 = icmp uge i64 %t535, %t537
-  br i1 %t538, label %range2780, label %inrange2781
-range2780:
-  call void @finch_panic_index(ptr @.str.1828, i64 1050, i64 %t535, i64 %t537)
+  %t516 = call i64 @finch.gen.findStruct(ptr %t511, { ptr, i64, i64 } %t513, { ptr, i64, i64 } %t515)
+  %t517 = load { ptr, i64, i64 }, ptr %t510
+  %t518 = extractvalue { ptr, i64, i64 } %t517, 1
+  %t519 = icmp uge i64 %t516, %t518
+  br i1 %t519, label %range2943, label %inrange2944
+range2943:
+  call void @finch_panic_index(ptr @.str.1887, i64 1176, i64 %t516, i64 %t518)
   unreachable
-inrange2781:
-  %t539 = extractvalue { ptr, i64, i64 } %t536, 0
-  %t540 = getelementptr inbounds i64, ptr %t539, i64 %t535
+inrange2944:
+  %t520 = extractvalue { ptr, i64, i64 } %t517, 0
+  %t521 = getelementptr inbounds %S.gen.StructDef, ptr %t520, i64 %t516
+  %t522 = load %S.gen.StructDef, ptr %t521
+  store %S.gen.StructDef %t522, ptr %a523
+  call void @finch.copy.S_gen_StructDef(ptr %a524, ptr %a523)
+  %t525 = load %S.gen.StructDef, ptr %a524
+  store %S.gen.StructDef %t525, ptr %a526
+  %t527 = load ptr, ptr %a1
+  %t528 = load %S.ast.Type, ptr %a2
+  %t529 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t527, %S.ast.Type %t528)
+  store { ptr, i64, i64 } %t529, ptr %a530
+  %t531 = load ptr, ptr %a1
+  %t532 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 1
+  %t533 = load { ptr, i64, i64 }, ptr %t532
+  store { ptr, i64, i64 } %t533, ptr %a535
+  store { ptr, i64, i64 } { ptr @.str.1889, i64 1, i64 0 }, ptr %a536
+  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
+  %t537 = load { ptr, i64, i64 }, ptr %a534
+  call void @finch.gen.bufText(ptr %t531, { ptr, i64, i64 } { ptr @.str.1888, i64 4, i64 0 }, { ptr, i64, i64 } %t537)
+  store { ptr, i64, i64 } %t537, ptr %a538
+  call void @finch_str_drop(ptr %a538)
+  %t539 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 12
+  %t540 = getelementptr inbounds { ptr, i64, i64 }, ptr %t539, i32 0, i32 1
   %t541 = load i64, ptr %t540
-  call void @finch_str_from_int(ptr %a542, i64 %t541)
-  %t543 = load { ptr, i64, i64 }, ptr %a542
-  store { ptr, i64, i64 } %t533, ptr %a545
-  store { ptr, i64, i64 } %t543, ptr %a546
-  call void @finch_str_concat(ptr %a544, ptr %a545, ptr %a546)
-  %t547 = load { ptr, i64, i64 }, ptr %a544
-  %t548 = call { ptr, i64, i64 } @finch.gen.op(ptr %t524, { ptr, i64, i64 } %t547)
+  store i64 0, ptr %a542
+  br label %for.cond2945
+for.cond2945:
+  %t543 = load i64, ptr %a542
+  %t544 = icmp slt i64 %t543, %t541
+  br i1 %t544, label %for.body2946, label %for.end2948
+for.body2946:
+  store { ptr, i64, i64 } { ptr @.str.1890, i64 2, i64 0 }, ptr %a545
+  %t546 = load i64, ptr %a542
+  %t547 = icmp eq i64 %t546, 0
+  br i1 %t547, label %then2949, label %endif2951
+then2949:
+  %t548 = load { ptr, i64, i64 }, ptr %a545
+  store { ptr, i64, i64 } { ptr @.str.1891, i64 0, i64 0 }, ptr %a545
   store { ptr, i64, i64 } %t548, ptr %a549
+  call void @finch_str_drop(ptr %a549)
+  br label %endif2951
+endif2951:
   %t550 = load ptr, ptr %a1
-  %t551 = load ptr, ptr %a1
-  %t552 = load ptr, ptr %a1
-  %t553 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 12
-  %t554 = load i64, ptr %a500
-  %t555 = load { ptr, i64, i64 }, ptr %t553
-  %t556 = extractvalue { ptr, i64, i64 } %t555, 1
-  %t557 = icmp uge i64 %t554, %t556
-  br i1 %t557, label %range2782, label %inrange2783
-range2782:
-  call void @finch_panic_index(ptr @.str.1830, i64 1051, i64 %t554, i64 %t556)
+  %t551 = load { ptr, i64, i64 }, ptr %a545
+  %t552 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 11
+  %t553 = load i64, ptr %a542
+  %t554 = load { ptr, i64, i64 }, ptr %t552
+  %t555 = extractvalue { ptr, i64, i64 } %t554, 1
+  %t556 = icmp uge i64 %t553, %t555
+  br i1 %t556, label %range2952, label %inrange2953
+range2952:
+  call void @finch_panic_index(ptr @.str.1893, i64 1184, i64 %t553, i64 %t555)
   unreachable
-inrange2783:
-  %t558 = extractvalue { ptr, i64, i64 } %t555, 0
-  %t559 = getelementptr inbounds %S.ast.Type, ptr %t558, i64 %t554
-  %t560 = load %S.ast.Type, ptr %t559
-  %t561 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t552, %S.ast.Type %t560)
-  %t562 = load { ptr, i64, i64 }, ptr %a549
-  %t563 = call { ptr, i64, i64 } @finch.gen.load(ptr %t551, { ptr, i64, i64 } %t561, { ptr, i64, i64 } %t562)
-  %t564 = getelementptr inbounds %S.gen.StructDef, ptr %a485, i32 0, i32 12
-  %t565 = load i64, ptr %a500
-  %t566 = load { ptr, i64, i64 }, ptr %t564
-  %t567 = extractvalue { ptr, i64, i64 } %t566, 1
-  %t568 = icmp uge i64 %t565, %t567
-  br i1 %t568, label %range2784, label %inrange2785
-range2784:
-  call void @finch_panic_index(ptr @.str.1831, i64 1051, i64 %t565, i64 %t567)
+inrange2953:
+  %t557 = extractvalue { ptr, i64, i64 } %t554, 0
+  %t558 = getelementptr inbounds { ptr, i64, i64 }, ptr %t557, i64 %t553
+  %t559 = load { ptr, i64, i64 }, ptr %t558
+  store { ptr, i64, i64 } %t551, ptr %a561
+  store { ptr, i64, i64 } %t559, ptr %a562
+  call void @finch_str_concat(ptr %a560, ptr %a561, ptr %a562)
+  %t563 = load { ptr, i64, i64 }, ptr %a560
+  store { ptr, i64, i64 } %t563, ptr %a565
+  store { ptr, i64, i64 } { ptr @.str.1894, i64 2, i64 0 }, ptr %a566
+  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
+  store { ptr, i64, i64 } %t563, ptr %a567
+  call void @finch_str_drop(ptr %a567)
+  %t568 = load { ptr, i64, i64 }, ptr %a564
+  call void @finch.gen.bufText(ptr %t550, { ptr, i64, i64 } { ptr @.str.1892, i64 4, i64 0 }, { ptr, i64, i64 } %t568)
+  store { ptr, i64, i64 } %t568, ptr %a569
+  call void @finch_str_drop(ptr %a569)
+  %t570 = load ptr, ptr %a1
+  %t571 = load { ptr, i64, i64 }, ptr %a530
+  store { ptr, i64, i64 } { ptr @.str.1895, i64 23, i64 0 }, ptr %a573
+  store { ptr, i64, i64 } %t571, ptr %a574
+  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
+  %t575 = load { ptr, i64, i64 }, ptr %a572
+  store { ptr, i64, i64 } %t575, ptr %a577
+  store { ptr, i64, i64 } { ptr @.str.1896, i64 21, i64 0 }, ptr %a578
+  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
+  store { ptr, i64, i64 } %t575, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  %t580 = load { ptr, i64, i64 }, ptr %a576
+  %t581 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 3
+  %t582 = load i64, ptr %a542
+  %t583 = load { ptr, i64, i64 }, ptr %t581
+  %t584 = extractvalue { ptr, i64, i64 } %t583, 1
+  %t585 = icmp uge i64 %t582, %t584
+  br i1 %t585, label %range2954, label %inrange2955
+range2954:
+  call void @finch_panic_index(ptr @.str.1897, i64 1185, i64 %t582, i64 %t584)
   unreachable
-inrange2785:
-  %t569 = extractvalue { ptr, i64, i64 } %t566, 0
-  %t570 = getelementptr inbounds %S.ast.Type, ptr %t569, i64 %t565
-  %t571 = load %S.ast.Type, ptr %t570
-  call void @finch.gen.emitFormat(ptr %t550, { ptr, i64, i64 } { ptr @.str.1829, i64 4, i64 0 }, { ptr, i64, i64 } %t563, %S.ast.Type %t571, i1 true)
-  br label %for.step2773
-for.step2773:
-  %t572 = load i64, ptr %a500
-  %t573 = add i64 %t572, 1
-  store i64 %t573, ptr %a500
-  br label %for.cond2771
-for.end2774:
-  %t574 = load ptr, ptr %a1
-  call void @finch.gen.bufText(ptr %t574, { ptr, i64, i64 } { ptr @.str.1832, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1833, i64 1, i64 0 })
-  br label %endif2756
-endif2756:
-  br label %endif2731
-endif2731:
-  br label %endif2722
-endif2722:
-  %t575 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t575, { ptr, i64, i64 } { ptr @.str.1834, i64 8, i64 0 })
-  %t576 = load ptr, ptr %a1
-  %t577 = load %S.gen.Saved, ptr %a34
-  %t578 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.1835, i64 21, i64 0 }, ptr %a580
-  store { ptr, i64, i64 } %t578, ptr %a581
-  call void @finch_str_concat(ptr %a579, ptr %a580, ptr %a581)
-  %t582 = load { ptr, i64, i64 }, ptr %a579
-  store { ptr, i64, i64 } %t582, ptr %a584
-  store { ptr, i64, i64 } { ptr @.str.1836, i64 18, i64 0 }, ptr %a585
-  call void @finch_str_concat(ptr %a583, ptr %a584, ptr %a585)
-  %t586 = load { ptr, i64, i64 }, ptr %a583
-  call void @finch.gen.endHelper(ptr %t576, %S.gen.Saved %t577, { ptr, i64, i64 } %t586)
-  %t587 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t587, ptr %a588
-  call void @finch_str_copy(ptr %a589, ptr %a588)
+inrange2955:
+  %t586 = extractvalue { ptr, i64, i64 } %t583, 0
+  %t587 = getelementptr inbounds i64, ptr %t586, i64 %t582
+  %t588 = load i64, ptr %t587
+  call void @finch_str_from_int(ptr %a589, i64 %t588)
   %t590 = load { ptr, i64, i64 }, ptr %a589
-  ret { ptr, i64, i64 } %t590
+  store { ptr, i64, i64 } %t580, ptr %a592
+  store { ptr, i64, i64 } %t590, ptr %a593
+  call void @finch_str_concat(ptr %a591, ptr %a592, ptr %a593)
+  store { ptr, i64, i64 } %t580, ptr %a594
+  call void @finch_str_drop(ptr %a594)
+  store { ptr, i64, i64 } %t590, ptr %a595
+  call void @finch_str_drop(ptr %a595)
+  %t596 = load { ptr, i64, i64 }, ptr %a591
+  %t597 = call { ptr, i64, i64 } @finch.gen.op(ptr %t570, { ptr, i64, i64 } %t596)
+  store { ptr, i64, i64 } %t596, ptr %a598
+  call void @finch_str_drop(ptr %a598)
+  store { ptr, i64, i64 } %t597, ptr %a599
+  %t600 = load ptr, ptr %a1
+  %t601 = load ptr, ptr %a1
+  %t602 = load ptr, ptr %a1
+  %t603 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 12
+  %t604 = load i64, ptr %a542
+  %t605 = load { ptr, i64, i64 }, ptr %t603
+  %t606 = extractvalue { ptr, i64, i64 } %t605, 1
+  %t607 = icmp uge i64 %t604, %t606
+  br i1 %t607, label %range2956, label %inrange2957
+range2956:
+  call void @finch_panic_index(ptr @.str.1899, i64 1186, i64 %t604, i64 %t606)
+  unreachable
+inrange2957:
+  %t608 = extractvalue { ptr, i64, i64 } %t605, 0
+  %t609 = getelementptr inbounds %S.ast.Type, ptr %t608, i64 %t604
+  %t610 = load %S.ast.Type, ptr %t609
+  %t611 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t602, %S.ast.Type %t610)
+  %t612 = load { ptr, i64, i64 }, ptr %a599
+  %t613 = call { ptr, i64, i64 } @finch.gen.load(ptr %t601, { ptr, i64, i64 } %t611, { ptr, i64, i64 } %t612)
+  store { ptr, i64, i64 } %t611, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = getelementptr inbounds %S.gen.StructDef, ptr %a526, i32 0, i32 12
+  %t616 = load i64, ptr %a542
+  %t617 = load { ptr, i64, i64 }, ptr %t615
+  %t618 = extractvalue { ptr, i64, i64 } %t617, 1
+  %t619 = icmp uge i64 %t616, %t618
+  br i1 %t619, label %range2958, label %inrange2959
+range2958:
+  call void @finch_panic_index(ptr @.str.1900, i64 1186, i64 %t616, i64 %t618)
+  unreachable
+inrange2959:
+  %t620 = extractvalue { ptr, i64, i64 } %t617, 0
+  %t621 = getelementptr inbounds %S.ast.Type, ptr %t620, i64 %t616
+  %t622 = load %S.ast.Type, ptr %t621
+  call void @finch.gen.emitFormat(ptr %t600, { ptr, i64, i64 } { ptr @.str.1898, i64 4, i64 0 }, { ptr, i64, i64 } %t613, %S.ast.Type %t622, i1 true)
+  store { ptr, i64, i64 } %t613, ptr %a623
+  call void @finch_str_drop(ptr %a623)
+  call void @finch_str_drop(ptr %a599)
+  call void @finch_str_drop(ptr %a545)
+  br label %for.step2947
+for.step2947:
+  %t624 = load i64, ptr %a542
+  %t625 = add i64 %t624, 1
+  store i64 %t625, ptr %a542
+  br label %for.cond2945
+for.end2948:
+  %t626 = load ptr, ptr %a1
+  call void @finch.gen.bufText(ptr %t626, { ptr, i64, i64 } { ptr @.str.1901, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.1902, i64 1, i64 0 })
+  call void @finch_str_drop(ptr %a530)
+  call void @finch.drop.S_gen_StructDef(ptr %a526)
+  br label %endif2930
+endif2930:
+  br label %endif2905
+endif2905:
+  br label %endif2896
+endif2896:
+  %t627 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t627, { ptr, i64, i64 } { ptr @.str.1903, i64 8, i64 0 })
+  %t628 = load ptr, ptr %a1
+  %t629 = load %S.gen.Saved, ptr %a32
+  %t630 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.1904, i64 21, i64 0 }, ptr %a632
+  store { ptr, i64, i64 } %t630, ptr %a633
+  call void @finch_str_concat(ptr %a631, ptr %a632, ptr %a633)
+  %t634 = load { ptr, i64, i64 }, ptr %a631
+  store { ptr, i64, i64 } %t634, ptr %a636
+  store { ptr, i64, i64 } { ptr @.str.1905, i64 18, i64 0 }, ptr %a637
+  call void @finch_str_concat(ptr %a635, ptr %a636, ptr %a637)
+  store { ptr, i64, i64 } %t634, ptr %a638
+  call void @finch_str_drop(ptr %a638)
+  %t639 = load { ptr, i64, i64 }, ptr %a635
+  call void @finch.gen.endHelper(ptr %t628, %S.gen.Saved %t629, { ptr, i64, i64 } %t639)
+  store { ptr, i64, i64 } %t639, ptr %a640
+  call void @finch_str_drop(ptr %a640)
+  %t641 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t641
 }
 
 define internal { ptr, i64, i64 } @finch.gen.intCast(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.ast.Type %p3) {
@@ -28582,48 +33567,69 @@ entry:
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -28637,115 +33643,157 @@ entry:
   %t11 = load i64, ptr %a7
   %t12 = load i64, ptr %a10
   %t13 = icmp eq i64 %t11, %t12
-  br i1 %t13, label %then2786, label %endif2788
-then2786:
+  br i1 %t13, label %then2960, label %endif2962
+then2960:
   %t14 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t14, ptr %a15
   call void @finch_str_copy(ptr %a16, ptr %a15)
   %t17 = load { ptr, i64, i64 }, ptr %a16
   ret { ptr, i64, i64 } %t17
-endif2788:
+endif2962:
   %t18 = load i64, ptr %a10
   %t19 = load i64, ptr %a7
   %t20 = icmp slt i64 %t18, %t19
-  br i1 %t20, label %then2789, label %endif2791
-then2789:
+  br i1 %t20, label %then2963, label %endif2965
+then2963:
   %t21 = load ptr, ptr %a1
   %t22 = load ptr, ptr %a1
   %t23 = load %S.ast.Type, ptr %a3
   %t24 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t22, %S.ast.Type %t23)
-  store { ptr, i64, i64 } { ptr @.str.1837, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.1906, i64 6, i64 0 }, ptr %a26
   store { ptr, i64, i64 } %t24, ptr %a27
   call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t28, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.1838, i64 1, i64 0 }, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  %t33 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t32, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.1839, i64 4, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = load ptr, ptr %a1
-  %t43 = load %S.ast.Type, ptr %a4
-  %t44 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t42, %S.ast.Type %t43)
-  store { ptr, i64, i64 } %t41, ptr %a46
-  store { ptr, i64, i64 } %t44, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = call { ptr, i64, i64 } @finch.gen.op(ptr %t21, { ptr, i64, i64 } %t48)
-  ret { ptr, i64, i64 } %t49
-endif2791:
-  %t50 = load %S.ast.Type, ptr %a3
-  %t51 = call i1 @finch.gen.isSigned(%S.ast.Type %t50)
-  br i1 %t51, label %then2792, label %endif2794
-then2792:
-  %t52 = load ptr, ptr %a1
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Type, ptr %a3
-  %t55 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t53, %S.ast.Type %t54)
-  store { ptr, i64, i64 } { ptr @.str.1840, i64 5, i64 0 }, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.1841, i64 1, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t63, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.1842, i64 4, i64 0 }, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load ptr, ptr %a1
-  %t74 = load %S.ast.Type, ptr %a4
-  %t75 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t73, %S.ast.Type %t74)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t29, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.1907, i64 1, i64 0 }, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  %t35 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t34, ptr %a37
+  store { ptr, i64, i64 } %t35, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.1908, i64 4, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = load ptr, ptr %a1
+  %t47 = load %S.ast.Type, ptr %a4
+  %t48 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t46, %S.ast.Type %t47)
+  store { ptr, i64, i64 } %t45, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t45, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  %t55 = call { ptr, i64, i64 } @finch.gen.op(ptr %t21, { ptr, i64, i64 } %t54)
+  store { ptr, i64, i64 } %t54, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  ret { ptr, i64, i64 } %t55
+endif2965:
+  %t57 = load %S.ast.Type, ptr %a3
+  %t58 = call i1 @finch.gen.isSigned(%S.ast.Type %t57)
+  br i1 %t58, label %then2966, label %endif2968
+then2966:
+  %t59 = load ptr, ptr %a1
+  %t60 = load ptr, ptr %a1
+  %t61 = load %S.ast.Type, ptr %a3
+  %t62 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t60, %S.ast.Type %t61)
+  store { ptr, i64, i64 } { ptr @.str.1909, i64 5, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t67, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.1910, i64 1, i64 0 }, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  %t73 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t72, ptr %a75
+  store { ptr, i64, i64 } %t73, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
   store { ptr, i64, i64 } %t72, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  %t80 = call { ptr, i64, i64 } @finch.gen.op(ptr %t52, { ptr, i64, i64 } %t79)
-  ret { ptr, i64, i64 } %t80
-endif2794:
-  %t81 = load ptr, ptr %a1
-  %t82 = load ptr, ptr %a1
-  %t83 = load %S.ast.Type, ptr %a3
-  %t84 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t82, %S.ast.Type %t83)
-  store { ptr, i64, i64 } { ptr @.str.1843, i64 5, i64 0 }, ptr %a86
-  store { ptr, i64, i64 } %t84, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.1844, i64 1, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t92, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.1845, i64 4, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = load ptr, ptr %a1
-  %t103 = load %S.ast.Type, ptr %a4
-  %t104 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t102, %S.ast.Type %t103)
-  store { ptr, i64, i64 } %t101, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  %t109 = call { ptr, i64, i64 } @finch.gen.op(ptr %t81, { ptr, i64, i64 } %t108)
-  ret { ptr, i64, i64 } %t109
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } %t78, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.1911, i64 4, i64 0 }, ptr %a81
+  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
+  store { ptr, i64, i64 } %t78, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a79
+  %t84 = load ptr, ptr %a1
+  %t85 = load %S.ast.Type, ptr %a4
+  %t86 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t84, %S.ast.Type %t85)
+  store { ptr, i64, i64 } %t83, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t83, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  store { ptr, i64, i64 } %t86, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a87
+  %t93 = call { ptr, i64, i64 } @finch.gen.op(ptr %t59, { ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } %t92, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  ret { ptr, i64, i64 } %t93
+endif2968:
+  %t95 = load ptr, ptr %a1
+  %t96 = load ptr, ptr %a1
+  %t97 = load %S.ast.Type, ptr %a3
+  %t98 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t96, %S.ast.Type %t97)
+  store { ptr, i64, i64 } { ptr @.str.1912, i64 5, i64 0 }, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.1913, i64 1, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t108, ptr %a111
+  store { ptr, i64, i64 } %t109, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.1914, i64 4, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load ptr, ptr %a1
+  %t121 = load %S.ast.Type, ptr %a4
+  %t122 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t120, %S.ast.Type %t121)
+  store { ptr, i64, i64 } %t119, ptr %a124
+  store { ptr, i64, i64 } %t122, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t119, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  store { ptr, i64, i64 } %t122, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a123
+  %t129 = call { ptr, i64, i64 } @finch.gen.op(ptr %t95, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t128, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  ret { ptr, i64, i64 } %t129
 }
 
 define internal { ptr, i64, i64 } @finch.gen.floatCast(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.ast.Type %p3) {
@@ -28761,33 +33809,47 @@ entry:
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -28800,82 +33862,110 @@ entry:
   store { ptr, i64, i64 } %t8, ptr %a10
   %t11 = call i32 @finch_str_eq(ptr %a9, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then2795, label %endif2797
-then2795:
+  br i1 %t12, label %then2969, label %endif2971
+then2969:
   %t13 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t13, ptr %a14
   call void @finch_str_copy(ptr %a15, ptr %a14)
   %t16 = load { ptr, i64, i64 }, ptr %a15
   ret { ptr, i64, i64 } %t16
-endif2797:
+endif2971:
   %t17 = load %S.ast.Type, ptr %a4
   %t18 = call i64 @finch.gen.bitsOf(%S.ast.Type %t17)
   %t19 = load %S.ast.Type, ptr %a3
   %t20 = call i64 @finch.gen.bitsOf(%S.ast.Type %t19)
   %t21 = icmp sgt i64 %t18, %t20
-  br i1 %t21, label %then2798, label %endif2800
-then2798:
+  br i1 %t21, label %then2972, label %endif2974
+then2972:
   %t22 = load ptr, ptr %a1
   %t23 = load ptr, ptr %a1
   %t24 = load %S.ast.Type, ptr %a3
   %t25 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t23, %S.ast.Type %t24)
-  store { ptr, i64, i64 } { ptr @.str.1846, i64 6, i64 0 }, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.1915, i64 6, i64 0 }, ptr %a27
   store { ptr, i64, i64 } %t25, ptr %a28
   call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t29, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.1847, i64 1, i64 0 }, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  %t34 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t33, ptr %a36
-  store { ptr, i64, i64 } %t34, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.1848, i64 4, i64 0 }, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = load ptr, ptr %a1
-  %t44 = load %S.ast.Type, ptr %a4
-  %t45 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t43, %S.ast.Type %t44)
-  store { ptr, i64, i64 } %t42, ptr %a47
-  store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  %t50 = call { ptr, i64, i64 } @finch.gen.op(ptr %t22, { ptr, i64, i64 } %t49)
-  ret { ptr, i64, i64 } %t50
-endif2800:
-  %t51 = load ptr, ptr %a1
-  %t52 = load ptr, ptr %a1
-  %t53 = load %S.ast.Type, ptr %a3
-  %t54 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t52, %S.ast.Type %t53)
-  store { ptr, i64, i64 } { ptr @.str.1849, i64 8, i64 0 }, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.1850, i64 1, i64 0 }, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t62, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.1851, i64 4, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = load ptr, ptr %a1
-  %t73 = load %S.ast.Type, ptr %a4
-  %t74 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t72, %S.ast.Type %t73)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.1916, i64 1, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  %t36 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t35, ptr %a38
+  store { ptr, i64, i64 } %t36, ptr %a39
+  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
+  store { ptr, i64, i64 } %t35, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  store { ptr, i64, i64 } %t41, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.1917, i64 4, i64 0 }, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t41, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = load ptr, ptr %a1
+  %t48 = load %S.ast.Type, ptr %a4
+  %t49 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t47, %S.ast.Type %t48)
+  store { ptr, i64, i64 } %t46, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t46, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a50
+  %t56 = call { ptr, i64, i64 } @finch.gen.op(ptr %t22, { ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t55, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  ret { ptr, i64, i64 } %t56
+endif2974:
+  %t58 = load ptr, ptr %a1
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Type, ptr %a3
+  %t61 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t59, %S.ast.Type %t60)
+  store { ptr, i64, i64 } { ptr @.str.1918, i64 8, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.1919, i64 1, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
   store { ptr, i64, i64 } %t71, ptr %a76
-  store { ptr, i64, i64 } %t74, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = call { ptr, i64, i64 } @finch.gen.op(ptr %t51, { ptr, i64, i64 } %t78)
-  ret { ptr, i64, i64 } %t79
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.1920, i64 4, i64 0 }, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load ptr, ptr %a1
+  %t84 = load %S.ast.Type, ptr %a4
+  %t85 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t83, %S.ast.Type %t84)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  store { ptr, i64, i64 } %t85, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t82, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  store { ptr, i64, i64 } %t85, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a86
+  %t92 = call { ptr, i64, i64 } @finch.gen.op(ptr %t58, { ptr, i64, i64 } %t91)
+  store { ptr, i64, i64 } %t91, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  ret { ptr, i64, i64 } %t92
 }
 
 define internal { ptr, i64, i64 } @finch.gen.intToFloat(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.ast.Type %p3) {
@@ -28887,102 +33977,144 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
   store %S.ast.Type %p3, ptr %a4
   %t5 = load %S.ast.Type, ptr %a3
   %t6 = call i1 @finch.gen.isSigned(%S.ast.Type %t5)
-  br i1 %t6, label %then2801, label %endif2803
-then2801:
+  br i1 %t6, label %then2975, label %endif2977
+then2975:
   %t7 = load ptr, ptr %a1
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Type, ptr %a3
   %t10 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t8, %S.ast.Type %t9)
-  store { ptr, i64, i64 } { ptr @.str.1852, i64 7, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.1921, i64 7, i64 0 }, ptr %a12
   store { ptr, i64, i64 } %t10, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.1853, i64 1, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  %t19 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t18, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1854, i64 4, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  %t28 = load ptr, ptr %a1
-  %t29 = load %S.ast.Type, ptr %a4
-  %t30 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t28, %S.ast.Type %t29)
-  store { ptr, i64, i64 } %t27, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = call { ptr, i64, i64 } @finch.gen.op(ptr %t7, { ptr, i64, i64 } %t34)
-  ret { ptr, i64, i64 } %t35
-endif2803:
-  %t36 = load ptr, ptr %a1
-  %t37 = load ptr, ptr %a1
-  %t38 = load %S.ast.Type, ptr %a3
-  %t39 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t37, %S.ast.Type %t38)
-  store { ptr, i64, i64 } { ptr @.str.1855, i64 7, i64 0 }, ptr %a41
-  store { ptr, i64, i64 } %t39, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.1856, i64 1, i64 0 }, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  %t48 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t47, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.1857, i64 4, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load ptr, ptr %a1
-  %t58 = load %S.ast.Type, ptr %a4
-  %t59 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t57, %S.ast.Type %t58)
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t15, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.1922, i64 1, i64 0 }, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  %t21 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t21, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  store { ptr, i64, i64 } %t20, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.1923, i64 4, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load ptr, ptr %a1
+  %t33 = load %S.ast.Type, ptr %a4
+  %t34 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t32, %S.ast.Type %t33)
+  store { ptr, i64, i64 } %t31, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t31, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  %t41 = call { ptr, i64, i64 } @finch.gen.op(ptr %t7, { ptr, i64, i64 } %t40)
+  store { ptr, i64, i64 } %t40, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  ret { ptr, i64, i64 } %t41
+endif2977:
+  %t43 = load ptr, ptr %a1
+  %t44 = load ptr, ptr %a1
+  %t45 = load %S.ast.Type, ptr %a3
+  %t46 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t44, %S.ast.Type %t45)
+  store { ptr, i64, i64 } { ptr @.str.1924, i64 7, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  store { ptr, i64, i64 } %t46, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t51, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.1925, i64 1, i64 0 }, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  %t57 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t56, ptr %a59
+  store { ptr, i64, i64 } %t57, ptr %a60
+  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
   store { ptr, i64, i64 } %t56, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = call { ptr, i64, i64 } @finch.gen.op(ptr %t36, { ptr, i64, i64 } %t63)
-  ret { ptr, i64, i64 } %t64
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load { ptr, i64, i64 }, ptr %a58
+  store { ptr, i64, i64 } %t62, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.1926, i64 4, i64 0 }, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  %t68 = load ptr, ptr %a1
+  %t69 = load %S.ast.Type, ptr %a4
+  %t70 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t68, %S.ast.Type %t69)
+  store { ptr, i64, i64 } %t67, ptr %a72
+  store { ptr, i64, i64 } %t70, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t67, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  store { ptr, i64, i64 } %t70, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a71
+  %t77 = call { ptr, i64, i64 } @finch.gen.op(ptr %t43, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  ret { ptr, i64, i64 } %t77
 }
 
 define internal void @finch.copy.S_gen_Val(ptr %dst, ptr %src) {
@@ -29034,69 +34166,85 @@ entry:
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca %S.ast.Type, align 16
-  %a158 = alloca %S.ast.Type, align 16
-  %a171 = alloca %S.ast.Type, align 16
-  %a172 = alloca %S.ast.Type, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca %S.ast.Type, align 16
-  %a199 = alloca %S.ast.Type, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca %S.ast.Type, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca %S.ast.Type, align 16
+  %a162 = alloca %S.ast.Type, align 16
+  %a175 = alloca %S.ast.Type, align 16
+  %a176 = alloca %S.ast.Type, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca %S.ast.Type, align 16
+  %a203 = alloca %S.ast.Type, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca %S.ast.Type, align 16
+  %a233 = alloca %S.ast.Type, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
   %a285 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
   %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca %S.gen.Val, align 16
-  %a328 = alloca %S.gen.Val, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca %S.gen.Val, align 16
+  %a348 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.gen.Val %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -29106,97 +34254,97 @@ entry:
   %t7 = load %S.ast.Type, ptr %t6
   %t8 = load %S.ast.Type, ptr %a3
   %t9 = call i1 @finch.ast.same(%S.ast.Type %t7, %S.ast.Type %t8)
-  br i1 %t9, label %then2804, label %endif2806
-then2804:
+  br i1 %t9, label %then2978, label %endif2980
+then2978:
   %t10 = load %S.gen.Val, ptr %a2
   store %S.gen.Val %t10, ptr %a11
   call void @finch.copy.S_gen_Val(ptr %a12, ptr %a11)
   %t13 = load %S.gen.Val, ptr %a12
   ret %S.gen.Val %t13
-endif2806:
+endif2980:
   %t14 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t15 = getelementptr inbounds %S.ast.Type, ptr %t14, i32 0, i32 0
   %t16 = load { ptr, i64, i64 }, ptr %t15
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.1858, i64 4, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.1927, i64 4, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.from2807
-logic.from2807:
-  br i1 %t20, label %logic.rhs2808, label %logic.end2809
-logic.rhs2808:
+  br label %logic.from2981
+logic.from2981:
+  br i1 %t20, label %logic.rhs2982, label %logic.end2983
+logic.rhs2982:
   %t21 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.1859, i64 3, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.1928, i64 3, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br label %logic.rend2810
-logic.rend2810:
-  br label %logic.end2809
-logic.end2809:
-  %t27 = phi i1 [ false, %logic.from2807 ], [ %t26, %logic.rend2810 ]
-  br i1 %t27, label %then2811, label %endif2813
-then2811:
-  %t28 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.1860, i64 4, i64 0 }, 0
+  br label %logic.rend2984
+logic.rend2984:
+  br label %logic.end2983
+logic.end2983:
+  %t27 = phi i1 [ false, %logic.from2981 ], [ %t26, %logic.rend2984 ]
+  br i1 %t27, label %then2985, label %endif2987
+then2985:
+  %t28 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.1929, i64 4, i64 0 }, 0
   %t29 = load %S.ast.Type, ptr %a3
   store %S.ast.Type %t29, ptr %a30
   call void @finch.copy.S_ast_Type(ptr %a31, ptr %a30)
   %t32 = load %S.ast.Type, ptr %a31
   %t33 = insertvalue %S.gen.Val %t28, %S.ast.Type %t32, 1
   ret %S.gen.Val %t33
-endif2813:
+endif2987:
   %t34 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t35 = getelementptr inbounds %S.ast.Type, ptr %t34, i32 0, i32 0
   %t36 = load { ptr, i64, i64 }, ptr %t35
   store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.1861, i64 3, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.1930, i64 3, i64 0 }, ptr %a38
   %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
   %t40 = icmp ne i32 %t39, 0
-  br label %logic.from2814
-logic.from2814:
-  br i1 %t40, label %logic.rhs2815, label %logic.end2816
-logic.rhs2815:
+  br label %logic.from2988
+logic.from2988:
+  br i1 %t40, label %logic.rhs2989, label %logic.end2990
+logic.rhs2989:
   %t41 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t42 = load { ptr, i64, i64 }, ptr %t41
   store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.1862, i64 3, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.1931, i64 3, i64 0 }, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend2817
-logic.rend2817:
-  br label %logic.end2816
-logic.end2816:
-  %t47 = phi i1 [ false, %logic.from2814 ], [ %t46, %logic.rend2817 ]
-  br label %logic.from2818
-logic.from2818:
-  br i1 %t47, label %logic.rhs2819, label %logic.end2820
-logic.rhs2819:
+  br label %logic.rend2991
+logic.rend2991:
+  br label %logic.end2990
+logic.end2990:
+  %t47 = phi i1 [ false, %logic.from2988 ], [ %t46, %logic.rend2991 ]
+  br label %logic.from2992
+logic.from2992:
+  br i1 %t47, label %logic.rhs2993, label %logic.end2994
+logic.rhs2993:
   %t48 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t49 = getelementptr inbounds %S.ast.Type, ptr %t48, i32 0, i32 1
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i32 0, i32 1
   %t51 = load i64, ptr %t50
   %t52 = icmp eq i64 %t51, 0
-  br label %logic.from2821
-logic.from2821:
-  br i1 %t52, label %logic.end2823, label %logic.rhs2822
-logic.rhs2822:
+  br label %logic.from2995
+logic.from2995:
+  br i1 %t52, label %logic.end2997, label %logic.rhs2996
+logic.rhs2996:
   %t53 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i32 0, i32 1
   %t55 = load i64, ptr %t54
   %t56 = icmp eq i64 %t55, 0
-  br label %logic.rend2824
-logic.rend2824:
-  br label %logic.end2823
-logic.end2823:
-  %t57 = phi i1 [ true, %logic.from2821 ], [ %t56, %logic.rend2824 ]
-  br label %logic.rend2825
-logic.rend2825:
-  br label %logic.end2820
-logic.end2820:
-  %t58 = phi i1 [ false, %logic.from2818 ], [ %t57, %logic.rend2825 ]
-  br i1 %t58, label %then2826, label %endif2828
-then2826:
+  br label %logic.rend2998
+logic.rend2998:
+  br label %logic.end2997
+logic.end2997:
+  %t57 = phi i1 [ true, %logic.from2995 ], [ %t56, %logic.rend2998 ]
+  br label %logic.rend2999
+logic.rend2999:
+  br label %logic.end2994
+logic.end2994:
+  %t58 = phi i1 [ false, %logic.from2992 ], [ %t57, %logic.rend2999 ]
+  br i1 %t58, label %then3000, label %endif3002
+then3000:
   %t59 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t60 = load { ptr, i64, i64 }, ptr %t59
   store { ptr, i64, i64 } %t60, ptr %a61
@@ -29209,42 +34357,42 @@ then2826:
   %t68 = load %S.ast.Type, ptr %a67
   %t69 = insertvalue %S.gen.Val %t64, %S.ast.Type %t68, 1
   ret %S.gen.Val %t69
-endif2828:
+endif3002:
   %t70 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t71 = load %S.ast.Type, ptr %t70
   %t72 = call i1 @finch.gen.isInt(%S.ast.Type %t71)
-  br label %logic.from2829
-logic.from2829:
-  br i1 %t72, label %logic.rhs2830, label %logic.end2831
-logic.rhs2830:
+  br label %logic.from3003
+logic.from3003:
+  br i1 %t72, label %logic.rhs3004, label %logic.end3005
+logic.rhs3004:
   %t73 = load %S.ast.Type, ptr %a3
   %t74 = call i1 @finch.gen.isInt(%S.ast.Type %t73)
-  br label %logic.rend2832
-logic.rend2832:
-  br label %logic.end2831
-logic.end2831:
-  %t75 = phi i1 [ false, %logic.from2829 ], [ %t74, %logic.rend2832 ]
-  br i1 %t75, label %then2833, label %endif2835
-then2833:
+  br label %logic.rend3006
+logic.rend3006:
+  br label %logic.end3005
+logic.end3005:
+  %t75 = phi i1 [ false, %logic.from3003 ], [ %t74, %logic.rend3006 ]
+  br i1 %t75, label %then3007, label %endif3009
+then3007:
   %t76 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
   %t77 = load i1, ptr %t76
-  br label %logic.from2836
-logic.from2836:
-  br i1 %t77, label %logic.rhs2837, label %logic.end2838
-logic.rhs2837:
+  br label %logic.from3010
+logic.from3010:
+  br i1 %t77, label %logic.rhs3011, label %logic.end3012
+logic.rhs3011:
   %t78 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t79 = load { ptr, i64, i64 }, ptr %t78
   %t80 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t81 = load %S.ast.Type, ptr %t80
   %t82 = load %S.ast.Type, ptr %a3
   %t83 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t79, %S.ast.Type %t81, %S.ast.Type %t82)
-  br label %logic.rend2839
-logic.rend2839:
-  br label %logic.end2838
-logic.end2838:
-  %t84 = phi i1 [ false, %logic.from2836 ], [ %t83, %logic.rend2839 ]
-  br i1 %t84, label %then2840, label %endif2842
-then2840:
+  br label %logic.rend3013
+logic.rend3013:
+  br label %logic.end3012
+logic.end3012:
+  %t84 = phi i1 [ false, %logic.from3010 ], [ %t83, %logic.rend3013 ]
+  br i1 %t84, label %then3014, label %endif3016
+then3014:
   %t85 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t86 = load { ptr, i64, i64 }, ptr %t85
   store { ptr, i64, i64 } %t86, ptr %a87
@@ -29258,13 +34406,13 @@ then2840:
   %t95 = insertvalue %S.gen.Val %t90, %S.ast.Type %t94, 1
   %t96 = insertvalue %S.gen.Val %t95, i1 true, 3
   ret %S.gen.Val %t96
-endif2842:
+endif3016:
   %t97 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
   %t98 = load %S.ast.Type, ptr %t97
   %t99 = load %S.ast.Type, ptr %a3
   %t100 = call i1 @finch.gen.widens(%S.ast.Type %t98, %S.ast.Type %t99)
-  br i1 %t100, label %then2843, label %endif2845
-then2843:
+  br i1 %t100, label %then3017, label %endif3019
+then3017:
   %t101 = load ptr, ptr %a1
   %t102 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t103 = load { ptr, i64, i64 }, ptr %t102
@@ -29279,344 +34427,381 @@ then2843:
   %t112 = load %S.ast.Type, ptr %a111
   %t113 = insertvalue %S.gen.Val %t108, %S.ast.Type %t112, 1
   ret %S.gen.Val %t113
-endif2845:
+endif3019:
   %t114 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
   %t115 = load i1, ptr %t114
-  br i1 %t115, label %then2846, label %endif2848
-then2846:
+  br i1 %t115, label %then3020, label %endif3022
+then3020:
   %t116 = load ptr, ptr %a1
   %t117 = load %S.ast.Node, ptr %a4
   %t118 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
   %t119 = load { ptr, i64, i64 }, ptr %t118
-  store { ptr, i64, i64 } { ptr @.str.1863, i64 11, i64 0 }, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.1932, i64 11, i64 0 }, ptr %a121
   store { ptr, i64, i64 } %t119, ptr %a122
   call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
   %t123 = load { ptr, i64, i64 }, ptr %a120
   store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.1864, i64 16, i64 0 }, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.1933, i64 16, i64 0 }, ptr %a126
   call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = load %S.ast.Type, ptr %a3
-  %t129 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t128)
-  store { ptr, i64, i64 } %t127, ptr %a131
-  store { ptr, i64, i64 } %t129, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.fail(ptr %t116, %S.ast.Node %t117, { ptr, i64, i64 } %t133)
-  br label %endif2848
-endif2848:
-  br label %endif2835
-endif2835:
-  %t134 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t135 = load %S.ast.Type, ptr %t134
-  %t136 = call i1 @finch.gen.isInt(%S.ast.Type %t135)
-  br label %logic.from2849
-logic.from2849:
-  br i1 %t136, label %logic.rhs2850, label %logic.end2851
-logic.rhs2850:
-  %t137 = load %S.ast.Type, ptr %a3
-  %t138 = call i1 @finch.gen.isFloat(%S.ast.Type %t137)
-  br label %logic.rend2852
-logic.rend2852:
-  br label %logic.end2851
-logic.end2851:
-  %t139 = phi i1 [ false, %logic.from2849 ], [ %t138, %logic.rend2852 ]
-  br i1 %t139, label %then2853, label %endif2855
-then2853:
-  %t140 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
-  %t141 = load i1, ptr %t140
-  br label %logic.from2856
-logic.from2856:
-  br i1 %t141, label %logic.rhs2857, label %logic.end2858
-logic.rhs2857:
-  %t142 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  store { ptr, i64, i64 } %t143, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.1865, i64 5, i64 0 }, ptr %a145
-  %t146 = call i32 @finch_str_eq(ptr %a144, ptr %a145)
-  %t147 = icmp ne i32 %t146, 0
-  br label %logic.rend2859
-logic.rend2859:
-  br label %logic.end2858
-logic.end2858:
-  %t148 = phi i1 [ false, %logic.from2856 ], [ %t147, %logic.rend2859 ]
-  br i1 %t148, label %then2860, label %endif2862
-then2860:
-  %t149 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t150 = load { ptr, i64, i64 }, ptr %t149
-  store { ptr, i64, i64 } %t150, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.1866, i64 2, i64 0 }, ptr %a153
-  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
-  %t154 = load { ptr, i64, i64 }, ptr %a151
-  %t155 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t154, 0
-  %t156 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t156, ptr %a157
-  call void @finch.copy.S_ast_Type(ptr %a158, ptr %a157)
-  %t159 = load %S.ast.Type, ptr %a158
-  %t160 = insertvalue %S.gen.Val %t155, %S.ast.Type %t159, 1
-  %t161 = insertvalue %S.gen.Val %t160, i1 true, 3
-  ret %S.gen.Val %t161
-endif2862:
-  %t162 = load ptr, ptr %a1
-  %t163 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t164 = load { ptr, i64, i64 }, ptr %t163
-  %t165 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t166 = load %S.ast.Type, ptr %t165
-  %t167 = load %S.ast.Type, ptr %a3
-  %t168 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t162, { ptr, i64, i64 } %t164, %S.ast.Type %t166, %S.ast.Type %t167)
-  %t169 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t168, 0
-  %t170 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t170, ptr %a171
-  call void @finch.copy.S_ast_Type(ptr %a172, ptr %a171)
-  %t173 = load %S.ast.Type, ptr %a172
-  %t174 = insertvalue %S.gen.Val %t169, %S.ast.Type %t173, 1
-  ret %S.gen.Val %t174
-endif2855:
-  %t175 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t176 = getelementptr inbounds %S.ast.Type, ptr %t175, i32 0, i32 0
-  %t177 = load { ptr, i64, i64 }, ptr %t176
-  store { ptr, i64, i64 } %t177, ptr %a178
-  store { ptr, i64, i64 } { ptr @.str.1867, i64 3, i64 0 }, ptr %a179
-  %t180 = call i32 @finch_str_eq(ptr %a178, ptr %a179)
-  %t181 = icmp ne i32 %t180, 0
-  br label %logic.from2863
-logic.from2863:
-  br i1 %t181, label %logic.rhs2864, label %logic.end2865
-logic.rhs2864:
-  %t182 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t183 = load { ptr, i64, i64 }, ptr %t182
-  store { ptr, i64, i64 } %t183, ptr %a184
-  store { ptr, i64, i64 } { ptr @.str.1868, i64 5, i64 0 }, ptr %a185
-  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
-  %t187 = icmp ne i32 %t186, 0
-  br label %logic.rend2866
-logic.rend2866:
-  br label %logic.end2865
-logic.end2865:
-  %t188 = phi i1 [ false, %logic.from2863 ], [ %t187, %logic.rend2866 ]
-  br i1 %t188, label %then2867, label %endif2869
-then2867:
-  %t189 = load ptr, ptr %a1
-  %t190 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t191 = load { ptr, i64, i64 }, ptr %t190
-  %t192 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t193 = load %S.ast.Type, ptr %t192
-  %t194 = load %S.ast.Type, ptr %a3
-  %t195 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t189, { ptr, i64, i64 } %t191, %S.ast.Type %t193, %S.ast.Type %t194)
-  %t196 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t195, 0
-  %t197 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t197, ptr %a198
-  call void @finch.copy.S_ast_Type(ptr %a199, ptr %a198)
-  %t200 = load %S.ast.Type, ptr %a199
-  %t201 = insertvalue %S.gen.Val %t196, %S.ast.Type %t200, 1
-  ret %S.gen.Val %t201
-endif2869:
-  %t202 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t203 = getelementptr inbounds %S.ast.Type, ptr %t202, i32 0, i32 0
-  %t204 = load { ptr, i64, i64 }, ptr %t203
-  store { ptr, i64, i64 } %t204, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.1869, i64 5, i64 0 }, ptr %a206
-  %t207 = call i32 @finch_str_eq(ptr %a205, ptr %a206)
-  %t208 = icmp ne i32 %t207, 0
-  br label %logic.from2870
-logic.from2870:
-  br i1 %t208, label %logic.rhs2871, label %logic.end2872
-logic.rhs2871:
-  %t209 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  store { ptr, i64, i64 } %t210, ptr %a211
-  store { ptr, i64, i64 } { ptr @.str.1870, i64 3, i64 0 }, ptr %a212
-  %t213 = call i32 @finch_str_eq(ptr %a211, ptr %a212)
-  %t214 = icmp ne i32 %t213, 0
-  br label %logic.rend2873
-logic.rend2873:
-  br label %logic.end2872
-logic.end2872:
-  %t215 = phi i1 [ false, %logic.from2870 ], [ %t214, %logic.rend2873 ]
-  br label %logic.from2874
-logic.from2874:
-  br i1 %t215, label %logic.rhs2875, label %logic.end2876
-logic.rhs2875:
-  %t216 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
-  %t217 = load i1, ptr %t216
-  br label %logic.rend2877
-logic.rend2877:
-  br label %logic.end2876
-logic.end2876:
-  %t218 = phi i1 [ false, %logic.from2874 ], [ %t217, %logic.rend2877 ]
-  br i1 %t218, label %then2878, label %endif2880
-then2878:
-  %t219 = load ptr, ptr %a1
-  %t220 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
-  %t221 = load { ptr, i64, i64 }, ptr %t220
-  %t222 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t223 = load %S.ast.Type, ptr %t222
-  %t224 = load %S.ast.Type, ptr %a3
-  %t225 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t219, { ptr, i64, i64 } %t221, %S.ast.Type %t223, %S.ast.Type %t224)
-  %t226 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t225, 0
-  %t227 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t227, ptr %a228
-  call void @finch.copy.S_ast_Type(ptr %a229, ptr %a228)
-  %t230 = load %S.ast.Type, ptr %a229
-  %t231 = insertvalue %S.gen.Val %t226, %S.ast.Type %t230, 1
-  ret %S.gen.Val %t231
-endif2880:
-  %t232 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t232, ptr %a234
-  store { ptr, i64, i64 } { ptr @.str.1871, i64 9, i64 0 }, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  %t237 = load %S.ast.Type, ptr %a3
-  %t238 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t237)
-  store { ptr, i64, i64 } %t236, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t242, ptr %a244
-  store { ptr, i64, i64 } { ptr @.str.1872, i64 14, i64 0 }, ptr %a245
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = load %S.ast.Type, ptr %a3
+  %t130 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t129)
+  store { ptr, i64, i64 } %t128, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t128, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a131
+  call void @finch.gen.fail(ptr %t116, %S.ast.Node %t117, { ptr, i64, i64 } %t136)
+  store { ptr, i64, i64 } %t136, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  br label %endif3022
+endif3022:
+  br label %endif3009
+endif3009:
+  %t138 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t139 = load %S.ast.Type, ptr %t138
+  %t140 = call i1 @finch.gen.isInt(%S.ast.Type %t139)
+  br label %logic.from3023
+logic.from3023:
+  br i1 %t140, label %logic.rhs3024, label %logic.end3025
+logic.rhs3024:
+  %t141 = load %S.ast.Type, ptr %a3
+  %t142 = call i1 @finch.gen.isFloat(%S.ast.Type %t141)
+  br label %logic.rend3026
+logic.rend3026:
+  br label %logic.end3025
+logic.end3025:
+  %t143 = phi i1 [ false, %logic.from3023 ], [ %t142, %logic.rend3026 ]
+  br i1 %t143, label %then3027, label %endif3029
+then3027:
+  %t144 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
+  %t145 = load i1, ptr %t144
+  br label %logic.from3030
+logic.from3030:
+  br i1 %t145, label %logic.rhs3031, label %logic.end3032
+logic.rhs3031:
+  %t146 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t147 = load { ptr, i64, i64 }, ptr %t146
+  store { ptr, i64, i64 } %t147, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.1934, i64 5, i64 0 }, ptr %a149
+  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
+  %t151 = icmp ne i32 %t150, 0
+  br label %logic.rend3033
+logic.rend3033:
+  br label %logic.end3032
+logic.end3032:
+  %t152 = phi i1 [ false, %logic.from3030 ], [ %t151, %logic.rend3033 ]
+  br i1 %t152, label %then3034, label %endif3036
+then3034:
+  %t153 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t154 = load { ptr, i64, i64 }, ptr %t153
+  store { ptr, i64, i64 } %t154, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.1935, i64 2, i64 0 }, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  %t159 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t158, 0
+  %t160 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t160, ptr %a161
+  call void @finch.copy.S_ast_Type(ptr %a162, ptr %a161)
+  %t163 = load %S.ast.Type, ptr %a162
+  %t164 = insertvalue %S.gen.Val %t159, %S.ast.Type %t163, 1
+  %t165 = insertvalue %S.gen.Val %t164, i1 true, 3
+  ret %S.gen.Val %t165
+endif3036:
+  %t166 = load ptr, ptr %a1
+  %t167 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t168 = load { ptr, i64, i64 }, ptr %t167
+  %t169 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t170 = load %S.ast.Type, ptr %t169
+  %t171 = load %S.ast.Type, ptr %a3
+  %t172 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t166, { ptr, i64, i64 } %t168, %S.ast.Type %t170, %S.ast.Type %t171)
+  %t173 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t172, 0
+  %t174 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t174, ptr %a175
+  call void @finch.copy.S_ast_Type(ptr %a176, ptr %a175)
+  %t177 = load %S.ast.Type, ptr %a176
+  %t178 = insertvalue %S.gen.Val %t173, %S.ast.Type %t177, 1
+  ret %S.gen.Val %t178
+endif3029:
+  %t179 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t180 = getelementptr inbounds %S.ast.Type, ptr %t179, i32 0, i32 0
+  %t181 = load { ptr, i64, i64 }, ptr %t180
+  store { ptr, i64, i64 } %t181, ptr %a182
+  store { ptr, i64, i64 } { ptr @.str.1936, i64 3, i64 0 }, ptr %a183
+  %t184 = call i32 @finch_str_eq(ptr %a182, ptr %a183)
+  %t185 = icmp ne i32 %t184, 0
+  br label %logic.from3037
+logic.from3037:
+  br i1 %t185, label %logic.rhs3038, label %logic.end3039
+logic.rhs3038:
+  %t186 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t187 = load { ptr, i64, i64 }, ptr %t186
+  store { ptr, i64, i64 } %t187, ptr %a188
+  store { ptr, i64, i64 } { ptr @.str.1937, i64 5, i64 0 }, ptr %a189
+  %t190 = call i32 @finch_str_eq(ptr %a188, ptr %a189)
+  %t191 = icmp ne i32 %t190, 0
+  br label %logic.rend3040
+logic.rend3040:
+  br label %logic.end3039
+logic.end3039:
+  %t192 = phi i1 [ false, %logic.from3037 ], [ %t191, %logic.rend3040 ]
+  br i1 %t192, label %then3041, label %endif3043
+then3041:
+  %t193 = load ptr, ptr %a1
+  %t194 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t195 = load { ptr, i64, i64 }, ptr %t194
+  %t196 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t197 = load %S.ast.Type, ptr %t196
+  %t198 = load %S.ast.Type, ptr %a3
+  %t199 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t193, { ptr, i64, i64 } %t195, %S.ast.Type %t197, %S.ast.Type %t198)
+  %t200 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t199, 0
+  %t201 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t201, ptr %a202
+  call void @finch.copy.S_ast_Type(ptr %a203, ptr %a202)
+  %t204 = load %S.ast.Type, ptr %a203
+  %t205 = insertvalue %S.gen.Val %t200, %S.ast.Type %t204, 1
+  ret %S.gen.Val %t205
+endif3043:
+  %t206 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t207 = getelementptr inbounds %S.ast.Type, ptr %t206, i32 0, i32 0
+  %t208 = load { ptr, i64, i64 }, ptr %t207
+  store { ptr, i64, i64 } %t208, ptr %a209
+  store { ptr, i64, i64 } { ptr @.str.1938, i64 5, i64 0 }, ptr %a210
+  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
+  %t212 = icmp ne i32 %t211, 0
+  br label %logic.from3044
+logic.from3044:
+  br i1 %t212, label %logic.rhs3045, label %logic.end3046
+logic.rhs3045:
+  %t213 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t214 = load { ptr, i64, i64 }, ptr %t213
+  store { ptr, i64, i64 } %t214, ptr %a215
+  store { ptr, i64, i64 } { ptr @.str.1939, i64 3, i64 0 }, ptr %a216
+  %t217 = call i32 @finch_str_eq(ptr %a215, ptr %a216)
+  %t218 = icmp ne i32 %t217, 0
+  br label %logic.rend3047
+logic.rend3047:
+  br label %logic.end3046
+logic.end3046:
+  %t219 = phi i1 [ false, %logic.from3044 ], [ %t218, %logic.rend3047 ]
+  br label %logic.from3048
+logic.from3048:
+  br i1 %t219, label %logic.rhs3049, label %logic.end3050
+logic.rhs3049:
+  %t220 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 3
+  %t221 = load i1, ptr %t220
+  br label %logic.rend3051
+logic.rend3051:
+  br label %logic.end3050
+logic.end3050:
+  %t222 = phi i1 [ false, %logic.from3048 ], [ %t221, %logic.rend3051 ]
+  br i1 %t222, label %then3052, label %endif3054
+then3052:
+  %t223 = load ptr, ptr %a1
+  %t224 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 0
+  %t225 = load { ptr, i64, i64 }, ptr %t224
+  %t226 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t227 = load %S.ast.Type, ptr %t226
+  %t228 = load %S.ast.Type, ptr %a3
+  %t229 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t223, { ptr, i64, i64 } %t225, %S.ast.Type %t227, %S.ast.Type %t228)
+  %t230 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t229, 0
+  %t231 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t231, ptr %a232
+  call void @finch.copy.S_ast_Type(ptr %a233, ptr %a232)
+  %t234 = load %S.ast.Type, ptr %a233
+  %t235 = insertvalue %S.gen.Val %t230, %S.ast.Type %t234, 1
+  ret %S.gen.Val %t235
+endif3054:
+  %t236 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t236, ptr %a238
+  store { ptr, i64, i64 } { ptr @.str.1940, i64 9, i64 0 }, ptr %a239
+  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
+  %t240 = load { ptr, i64, i64 }, ptr %a237
+  %t241 = load %S.ast.Type, ptr %a3
+  %t242 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t241)
+  store { ptr, i64, i64 } %t240, ptr %a244
+  store { ptr, i64, i64 } %t242, ptr %a245
   call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  %t247 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t248 = load %S.ast.Type, ptr %t247
-  %t249 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t248)
-  store { ptr, i64, i64 } %t246, ptr %a251
-  store { ptr, i64, i64 } %t249, ptr %a252
-  call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
-  %t253 = load { ptr, i64, i64 }, ptr %a250
-  store { ptr, i64, i64 } %t253, ptr %a254
-  %t255 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t256 = load %S.ast.Type, ptr %t255
-  %t257 = call i1 @finch.gen.isNumber(%S.ast.Type %t256)
-  br label %logic.from2881
-logic.from2881:
-  br i1 %t257, label %logic.rhs2882, label %logic.end2883
-logic.rhs2882:
-  %t258 = load %S.ast.Type, ptr %a3
-  %t259 = call i1 @finch.gen.isNumber(%S.ast.Type %t258)
-  br label %logic.rend2884
-logic.rend2884:
-  br label %logic.end2883
-logic.end2883:
-  %t260 = phi i1 [ false, %logic.from2881 ], [ %t259, %logic.rend2884 ]
-  br i1 %t260, label %then2885, label %endif2887
-then2885:
-  %t261 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t261, ptr %a263
-  store { ptr, i64, i64 } { ptr @.str.1873, i64 6, i64 0 }, ptr %a264
-  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
-  %t265 = load { ptr, i64, i64 }, ptr %a262
-  %t266 = load %S.ast.Type, ptr %a3
-  %t267 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t266)
-  store { ptr, i64, i64 } %t265, ptr %a269
-  store { ptr, i64, i64 } %t267, ptr %a270
-  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
-  %t271 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t271, ptr %a273
-  store { ptr, i64, i64 } { ptr @.str.1874, i64 16, i64 0 }, ptr %a274
-  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
-  %t275 = load { ptr, i64, i64 }, ptr %a272
-  store { ptr, i64, i64 } %t275, ptr %a254
-  %t276 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t277 = load %S.ast.Type, ptr %t276
-  %t278 = call i1 @finch.gen.isFloat(%S.ast.Type %t277)
-  br label %logic.from2888
-logic.from2888:
-  br i1 %t278, label %logic.rhs2889, label %logic.end2890
-logic.rhs2889:
-  %t279 = load %S.ast.Type, ptr %a3
-  %t280 = call i1 @finch.gen.isInt(%S.ast.Type %t279)
-  br label %logic.rend2891
-logic.rend2891:
-  br label %logic.end2890
-logic.end2890:
-  %t281 = phi i1 [ false, %logic.from2888 ], [ %t280, %logic.rend2891 ]
-  br i1 %t281, label %then2892, label %endif2894
-then2892:
-  %t282 = load { ptr, i64, i64 }, ptr %a254
+  store { ptr, i64, i64 } %t240, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  store { ptr, i64, i64 } %t242, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  %t248 = load { ptr, i64, i64 }, ptr %a243
+  store { ptr, i64, i64 } %t248, ptr %a250
+  store { ptr, i64, i64 } { ptr @.str.1941, i64 14, i64 0 }, ptr %a251
+  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
+  store { ptr, i64, i64 } %t248, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
+  %t254 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t255 = load %S.ast.Type, ptr %t254
+  %t256 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t255)
+  store { ptr, i64, i64 } %t253, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t253, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } %t262, ptr %a263
+  %t264 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t265 = load %S.ast.Type, ptr %t264
+  %t266 = call i1 @finch.gen.isNumber(%S.ast.Type %t265)
+  br label %logic.from3055
+logic.from3055:
+  br i1 %t266, label %logic.rhs3056, label %logic.end3057
+logic.rhs3056:
+  %t267 = load %S.ast.Type, ptr %a3
+  %t268 = call i1 @finch.gen.isNumber(%S.ast.Type %t267)
+  br label %logic.rend3058
+logic.rend3058:
+  br label %logic.end3057
+logic.end3057:
+  %t269 = phi i1 [ false, %logic.from3055 ], [ %t268, %logic.rend3058 ]
+  br i1 %t269, label %then3059, label %endif3061
+then3059:
+  %t270 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t270, ptr %a272
+  store { ptr, i64, i64 } { ptr @.str.1942, i64 6, i64 0 }, ptr %a273
+  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a271
+  %t275 = load %S.ast.Type, ptr %a3
+  %t276 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t275)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  store { ptr, i64, i64 } %t276, ptr %a279
+  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
+  store { ptr, i64, i64 } %t274, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  store { ptr, i64, i64 } %t276, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  %t282 = load { ptr, i64, i64 }, ptr %a277
   store { ptr, i64, i64 } %t282, ptr %a284
-  store { ptr, i64, i64 } { ptr @.str.1875, i64 26, i64 0 }, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.1943, i64 16, i64 0 }, ptr %a285
   call void @finch_str_concat(ptr %a283, ptr %a284, ptr %a285)
-  %t286 = load { ptr, i64, i64 }, ptr %a283
-  store { ptr, i64, i64 } %t286, ptr %a254
-  br label %endif2894
-endif2894:
-  %t287 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t287, ptr %a289
-  store { ptr, i64, i64 } { ptr @.str.1876, i64 1, i64 0 }, ptr %a290
-  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
-  %t291 = load { ptr, i64, i64 }, ptr %a288
-  store { ptr, i64, i64 } %t291, ptr %a254
-  br label %endif2887
-endif2887:
-  %t292 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t293 = load { ptr, i64, i64 }, ptr %t292
-  store { ptr, i64, i64 } %t293, ptr %a294
-  store { ptr, i64, i64 } { ptr @.str.1877, i64 3, i64 0 }, ptr %a295
-  %t296 = call i32 @finch_str_eq(ptr %a294, ptr %a295)
-  %t297 = icmp ne i32 %t296, 0
-  br label %logic.from2895
-logic.from2895:
-  br i1 %t297, label %logic.rhs2896, label %logic.end2897
-logic.rhs2896:
-  %t298 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t299 = load %S.ast.Type, ptr %t298
-  %t300 = call i1 @finch.gen.isNumber(%S.ast.Type %t299)
-  br label %logic.from2898
-logic.from2898:
-  br i1 %t300, label %logic.end2900, label %logic.rhs2899
-logic.rhs2899:
-  %t301 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %t301, i32 0, i32 0
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  store { ptr, i64, i64 } %t303, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.1878, i64 4, i64 0 }, ptr %a305
-  %t306 = call i32 @finch_str_eq(ptr %a304, ptr %a305)
-  %t307 = icmp ne i32 %t306, 0
-  br label %logic.rend2901
-logic.rend2901:
-  br label %logic.end2900
-logic.end2900:
-  %t308 = phi i1 [ true, %logic.from2898 ], [ %t307, %logic.rend2901 ]
-  br label %logic.from2902
-logic.from2902:
-  br i1 %t308, label %logic.end2904, label %logic.rhs2903
-logic.rhs2903:
-  %t309 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
-  %t310 = getelementptr inbounds %S.ast.Type, ptr %t309, i32 0, i32 0
+  store { ptr, i64, i64 } %t282, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  %t287 = load { ptr, i64, i64 }, ptr %a283
+  %t288 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t287, ptr %a263
+  store { ptr, i64, i64 } %t288, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t291 = load %S.ast.Type, ptr %t290
+  %t292 = call i1 @finch.gen.isFloat(%S.ast.Type %t291)
+  br label %logic.from3062
+logic.from3062:
+  br i1 %t292, label %logic.rhs3063, label %logic.end3064
+logic.rhs3063:
+  %t293 = load %S.ast.Type, ptr %a3
+  %t294 = call i1 @finch.gen.isInt(%S.ast.Type %t293)
+  br label %logic.rend3065
+logic.rend3065:
+  br label %logic.end3064
+logic.end3064:
+  %t295 = phi i1 [ false, %logic.from3062 ], [ %t294, %logic.rend3065 ]
+  br i1 %t295, label %then3066, label %endif3068
+then3066:
+  %t296 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t296, ptr %a298
+  store { ptr, i64, i64 } { ptr @.str.1944, i64 26, i64 0 }, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a297
+  %t301 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t300, ptr %a263
+  store { ptr, i64, i64 } %t301, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  br label %endif3068
+endif3068:
+  %t303 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t303, ptr %a305
+  store { ptr, i64, i64 } { ptr @.str.1945, i64 1, i64 0 }, ptr %a306
+  call void @finch_str_concat(ptr %a304, ptr %a305, ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a304
+  %t308 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t307, ptr %a263
+  store { ptr, i64, i64 } %t308, ptr %a309
+  call void @finch_str_drop(ptr %a309)
+  br label %endif3061
+endif3061:
+  %t310 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t311 = load { ptr, i64, i64 }, ptr %t310
   store { ptr, i64, i64 } %t311, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.1879, i64 4, i64 0 }, ptr %a313
+  store { ptr, i64, i64 } { ptr @.str.1946, i64 3, i64 0 }, ptr %a313
   %t314 = call i32 @finch_str_eq(ptr %a312, ptr %a313)
   %t315 = icmp ne i32 %t314, 0
-  br label %logic.rend2905
-logic.rend2905:
-  br label %logic.end2904
-logic.end2904:
-  %t316 = phi i1 [ true, %logic.from2902 ], [ %t315, %logic.rend2905 ]
-  br label %logic.rend2906
-logic.rend2906:
-  br label %logic.end2897
-logic.end2897:
-  %t317 = phi i1 [ false, %logic.from2895 ], [ %t316, %logic.rend2906 ]
-  br i1 %t317, label %then2907, label %endif2909
-then2907:
-  %t318 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t318, ptr %a320
-  store { ptr, i64, i64 } { ptr @.str.1880, i64 34, i64 0 }, ptr %a321
-  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
-  %t322 = load { ptr, i64, i64 }, ptr %a319
-  store { ptr, i64, i64 } %t322, ptr %a254
-  br label %endif2909
-endif2909:
-  %t323 = load ptr, ptr %a1
-  %t324 = load %S.ast.Node, ptr %a4
-  %t325 = load { ptr, i64, i64 }, ptr %a254
-  call void @finch.gen.fail(ptr %t323, %S.ast.Node %t324, { ptr, i64, i64 } %t325)
-  %t326 = load %S.gen.Val, ptr %a2
-  store %S.gen.Val %t326, ptr %a327
-  call void @finch.copy.S_gen_Val(ptr %a328, ptr %a327)
-  %t329 = load %S.gen.Val, ptr %a328
-  ret %S.gen.Val %t329
+  br label %logic.from3069
+logic.from3069:
+  br i1 %t315, label %logic.rhs3070, label %logic.end3071
+logic.rhs3070:
+  %t316 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t317 = load %S.ast.Type, ptr %t316
+  %t318 = call i1 @finch.gen.isNumber(%S.ast.Type %t317)
+  br label %logic.from3072
+logic.from3072:
+  br i1 %t318, label %logic.end3074, label %logic.rhs3073
+logic.rhs3073:
+  %t319 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t320 = getelementptr inbounds %S.ast.Type, ptr %t319, i32 0, i32 0
+  %t321 = load { ptr, i64, i64 }, ptr %t320
+  store { ptr, i64, i64 } %t321, ptr %a322
+  store { ptr, i64, i64 } { ptr @.str.1947, i64 4, i64 0 }, ptr %a323
+  %t324 = call i32 @finch_str_eq(ptr %a322, ptr %a323)
+  %t325 = icmp ne i32 %t324, 0
+  br label %logic.rend3075
+logic.rend3075:
+  br label %logic.end3074
+logic.end3074:
+  %t326 = phi i1 [ true, %logic.from3072 ], [ %t325, %logic.rend3075 ]
+  br label %logic.from3076
+logic.from3076:
+  br i1 %t326, label %logic.end3078, label %logic.rhs3077
+logic.rhs3077:
+  %t327 = getelementptr inbounds %S.gen.Val, ptr %a2, i32 0, i32 1
+  %t328 = getelementptr inbounds %S.ast.Type, ptr %t327, i32 0, i32 0
+  %t329 = load { ptr, i64, i64 }, ptr %t328
+  store { ptr, i64, i64 } %t329, ptr %a330
+  store { ptr, i64, i64 } { ptr @.str.1948, i64 4, i64 0 }, ptr %a331
+  %t332 = call i32 @finch_str_eq(ptr %a330, ptr %a331)
+  %t333 = icmp ne i32 %t332, 0
+  br label %logic.rend3079
+logic.rend3079:
+  br label %logic.end3078
+logic.end3078:
+  %t334 = phi i1 [ true, %logic.from3076 ], [ %t333, %logic.rend3079 ]
+  br label %logic.rend3080
+logic.rend3080:
+  br label %logic.end3071
+logic.end3071:
+  %t335 = phi i1 [ false, %logic.from3069 ], [ %t334, %logic.rend3080 ]
+  br i1 %t335, label %then3081, label %endif3083
+then3081:
+  %t336 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.1949, i64 34, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a337
+  %t341 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t340, ptr %a263
+  store { ptr, i64, i64 } %t341, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  br label %endif3083
+endif3083:
+  %t343 = load ptr, ptr %a1
+  %t344 = load %S.ast.Node, ptr %a4
+  %t345 = load { ptr, i64, i64 }, ptr %a263
+  call void @finch.gen.fail(ptr %t343, %S.ast.Node %t344, { ptr, i64, i64 } %t345)
+  %t346 = load %S.gen.Val, ptr %a2
+  store %S.gen.Val %t346, ptr %a347
+  call void @finch.copy.S_gen_Val(ptr %a348, ptr %a347)
+  %t349 = load %S.gen.Val, ptr %a348
+  call void @finch_str_drop(ptr %a263)
+  ret %S.gen.Val %t349
 }
 
 define internal i64 @finch.gen.lookup(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -29632,28 +34817,28 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2910, label %ok2911
-panic2910:
-  call void @finch_panic(ptr @.str.1881, i64 1148, ptr @.str.1882)
+  br i1 %t4, label %panic3084, label %ok3085
+panic3084:
+  call void @finch_panic(ptr @.str.1950, i64 1283, ptr @.str.1951)
   unreachable
-ok2911:
+ok3085:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond2912
-for.cond2912:
+  br label %for.cond3086
+for.cond3086:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body2913, label %for.end2915
-for.body2913:
+  br i1 %t10, label %for.body3087, label %for.end3089
+for.body3087:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic2916, label %ok2917
-panic2916:
-  call void @finch_panic(ptr @.str.1883, i64 1149, ptr @.str.1884)
+  br i1 %t12, label %panic3090, label %ok3091
+panic3090:
+  call void @finch_panic(ptr @.str.1952, i64 1284, ptr @.str.1953)
   unreachable
-ok2917:
+ok3091:
   %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 10
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i32 0, i32 1
   %t15 = load i64, ptr %t14
@@ -29663,50 +34848,50 @@ ok2917:
   store i64 %t18, ptr %a19
   %t20 = load ptr, ptr %a1
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic2918, label %ok2919
-panic2918:
-  call void @finch_panic(ptr @.str.1885, i64 1150, ptr @.str.1886)
+  br i1 %t21, label %panic3092, label %ok3093
+panic3092:
+  call void @finch_panic(ptr @.str.1954, i64 1285, ptr @.str.1955)
   unreachable
-ok2919:
+ok3093:
   %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 10
   %t23 = load i64, ptr %a19
   %t24 = load { ptr, i64, i64 }, ptr %t22
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range2920, label %inrange2921
-range2920:
-  call void @finch_panic_index(ptr @.str.1887, i64 1150, i64 %t23, i64 %t25)
+  br i1 %t26, label %range3094, label %inrange3095
+range3094:
+  call void @finch_panic_index(ptr @.str.1956, i64 1285, i64 %t23, i64 %t25)
   unreachable
-inrange2921:
+inrange3095:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds %S.gen.Scope, ptr %t27, i64 %t23
   %t29 = getelementptr inbounds %S.gen.Scope, ptr %t28, i32 0, i32 0
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
   %t31 = load i64, ptr %t30
   store i64 0, ptr %a32
-  br label %for.cond2922
-for.cond2922:
+  br label %for.cond3096
+for.cond3096:
   %t33 = load i64, ptr %a32
   %t34 = icmp slt i64 %t33, %t31
-  br i1 %t34, label %for.body2923, label %for.end2925
-for.body2923:
+  br i1 %t34, label %for.body3097, label %for.end3099
+for.body3097:
   %t35 = load ptr, ptr %a1
   %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic2926, label %ok2927
-panic2926:
-  call void @finch_panic(ptr @.str.1888, i64 1151, ptr @.str.1889)
+  br i1 %t36, label %panic3100, label %ok3101
+panic3100:
+  call void @finch_panic(ptr @.str.1957, i64 1286, ptr @.str.1958)
   unreachable
-ok2927:
+ok3101:
   %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 10
   %t38 = load i64, ptr %a19
   %t39 = load { ptr, i64, i64 }, ptr %t37
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range2928, label %inrange2929
-range2928:
-  call void @finch_panic_index(ptr @.str.1890, i64 1151, i64 %t38, i64 %t40)
+  br i1 %t41, label %range3102, label %inrange3103
+range3102:
+  call void @finch_panic_index(ptr @.str.1959, i64 1286, i64 %t38, i64 %t40)
   unreachable
-inrange2929:
+inrange3103:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.gen.Scope, ptr %t42, i64 %t38
   %t44 = getelementptr inbounds %S.gen.Scope, ptr %t43, i32 0, i32 0
@@ -29714,11 +34899,11 @@ inrange2929:
   %t46 = load { ptr, i64, i64 }, ptr %t44
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 %t45, %t47
-  br i1 %t48, label %range2930, label %inrange2931
-range2930:
-  call void @finch_panic_index(ptr @.str.1891, i64 1151, i64 %t45, i64 %t47)
+  br i1 %t48, label %range3104, label %inrange3105
+range3104:
+  call void @finch_panic_index(ptr @.str.1960, i64 1286, i64 %t45, i64 %t47)
   unreachable
-inrange2931:
+inrange3105:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds %S.gen.Var, ptr %t49, i64 %t45
   %t51 = getelementptr inbounds %S.gen.Var, ptr %t50, i32 0, i32 0
@@ -29728,38 +34913,38 @@ inrange2931:
   store { ptr, i64, i64 } %t53, ptr %a55
   %t56 = call i32 @finch_str_eq(ptr %a54, ptr %a55)
   %t57 = icmp ne i32 %t56, 0
-  br i1 %t57, label %then2932, label %endif2934
-then2932:
+  br i1 %t57, label %then3106, label %endif3108
+then3106:
   %t58 = load ptr, ptr %a1
   %t59 = icmp eq ptr %t58, null
-  br i1 %t59, label %panic2935, label %ok2936
-panic2935:
-  call void @finch_panic(ptr @.str.1892, i64 1152, ptr @.str.1893)
+  br i1 %t59, label %panic3109, label %ok3110
+panic3109:
+  call void @finch_panic(ptr @.str.1961, i64 1287, ptr @.str.1962)
   unreachable
-ok2936:
-  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 42
+ok3110:
+  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 43
   %t61 = load i1, ptr %t60
-  br label %logic.from2937
-logic.from2937:
-  br i1 %t61, label %logic.rhs2938, label %logic.end2939
-logic.rhs2938:
+  br label %logic.from3111
+logic.from3111:
+  br i1 %t61, label %logic.rhs3112, label %logic.end3113
+logic.rhs3112:
   %t62 = load ptr, ptr %a1
   %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic2940, label %ok2941
-panic2940:
-  call void @finch_panic(ptr @.str.1894, i64 1152, ptr @.str.1895)
+  br i1 %t63, label %panic3114, label %ok3115
+panic3114:
+  call void @finch_panic(ptr @.str.1963, i64 1287, ptr @.str.1964)
   unreachable
-ok2941:
+ok3115:
   %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 10
   %t65 = load i64, ptr %a19
   %t66 = load { ptr, i64, i64 }, ptr %t64
   %t67 = extractvalue { ptr, i64, i64 } %t66, 1
   %t68 = icmp uge i64 %t65, %t67
-  br i1 %t68, label %range2942, label %inrange2943
-range2942:
-  call void @finch_panic_index(ptr @.str.1896, i64 1152, i64 %t65, i64 %t67)
+  br i1 %t68, label %range3116, label %inrange3117
+range3116:
+  call void @finch_panic_index(ptr @.str.1965, i64 1287, i64 %t65, i64 %t67)
   unreachable
-inrange2943:
+inrange3117:
   %t69 = extractvalue { ptr, i64, i64 } %t66, 0
   %t70 = getelementptr inbounds %S.gen.Scope, ptr %t69, i64 %t65
   %t71 = getelementptr inbounds %S.gen.Scope, ptr %t70, i32 0, i32 0
@@ -29767,54 +34952,54 @@ inrange2943:
   %t73 = load { ptr, i64, i64 }, ptr %t71
   %t74 = extractvalue { ptr, i64, i64 } %t73, 1
   %t75 = icmp uge i64 %t72, %t74
-  br i1 %t75, label %range2944, label %inrange2945
-range2944:
-  call void @finch_panic_index(ptr @.str.1897, i64 1152, i64 %t72, i64 %t74)
+  br i1 %t75, label %range3118, label %inrange3119
+range3118:
+  call void @finch_panic_index(ptr @.str.1966, i64 1287, i64 %t72, i64 %t74)
   unreachable
-inrange2945:
+inrange3119:
   %t76 = extractvalue { ptr, i64, i64 } %t73, 0
   %t77 = getelementptr inbounds %S.gen.Var, ptr %t76, i64 %t72
   %t78 = getelementptr inbounds %S.gen.Var, ptr %t77, i32 0, i32 4
   %t79 = load i64, ptr %t78
   %t80 = load ptr, ptr %a1
   %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic2946, label %ok2947
-panic2946:
-  call void @finch_panic(ptr @.str.1898, i64 1152, ptr @.str.1899)
+  br i1 %t81, label %panic3120, label %ok3121
+panic3120:
+  call void @finch_panic(ptr @.str.1967, i64 1287, ptr @.str.1968)
   unreachable
-ok2947:
-  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 43
+ok3121:
+  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 44
   %t83 = load i64, ptr %t82
   %t84 = icmp sge i64 %t79, %t83
-  br label %logic.rend2948
-logic.rend2948:
-  br label %logic.end2939
-logic.end2939:
-  %t85 = phi i1 [ false, %logic.from2937 ], [ %t84, %logic.rend2948 ]
-  br i1 %t85, label %then2949, label %endif2951
-then2949:
-  br label %for.step2924
-endif2951:
+  br label %logic.rend3122
+logic.rend3122:
+  br label %logic.end3113
+logic.end3113:
+  %t85 = phi i1 [ false, %logic.from3111 ], [ %t84, %logic.rend3122 ]
+  br i1 %t85, label %then3123, label %endif3125
+then3123:
+  br label %for.step3098
+endif3125:
   %t86 = load i64, ptr %a19
   %t87 = mul i64 %t86, 100000
   %t88 = load i64, ptr %a32
   %t89 = add i64 %t87, %t88
   ret i64 %t89
-endif2934:
-  br label %for.step2924
-for.step2924:
+endif3108:
+  br label %for.step3098
+for.step3098:
   %t90 = load i64, ptr %a32
   %t91 = add i64 %t90, 1
   store i64 %t91, ptr %a32
-  br label %for.cond2922
-for.end2925:
-  br label %for.step2914
-for.step2914:
+  br label %for.cond3096
+for.end3099:
+  br label %for.step3088
+for.step3088:
   %t92 = load i64, ptr %a8
   %t93 = add i64 %t92, 1
   store i64 %t93, ptr %a8
-  br label %for.cond2912
-for.end2915:
+  br label %for.cond3086
+for.end3089:
   ret i64 -1
 }
 
@@ -29832,8 +35017,8 @@ entry:
   %t6 = getelementptr inbounds %S.gen.Var, ptr %dst, i32 0, i32 2
   %t7 = getelementptr inbounds %S.gen.Var, ptr %src, i32 0, i32 2
   call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.gen.Var, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.gen.Var, ptr %src, i32 0, i32 5
+  %t8 = getelementptr inbounds %S.gen.Var, ptr %dst, i32 0, i32 7
+  %t9 = getelementptr inbounds %S.gen.Var, ptr %src, i32 0, i32 7
   call void @finch_str_copy(ptr %t8, ptr %t9)
   ret void
 }
@@ -29848,22 +35033,22 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic2952, label %ok2953
-panic2952:
-  call void @finch_panic(ptr @.str.1900, i64 1163, ptr @.str.1901)
+  br i1 %t4, label %panic3126, label %ok3127
+panic3126:
+  call void @finch_panic(ptr @.str.1969, i64 1298, ptr @.str.1970)
   unreachable
-ok2953:
+ok3127:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = load i64, ptr %a2
   %t7 = sdiv i64 %t6, 100000
   %t8 = load { ptr, i64, i64 }, ptr %t5
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range2954, label %inrange2955
-range2954:
-  call void @finch_panic_index(ptr @.str.1902, i64 1163, i64 %t7, i64 %t9)
+  br i1 %t10, label %range3128, label %inrange3129
+range3128:
+  call void @finch_panic_index(ptr @.str.1971, i64 1298, i64 %t7, i64 %t9)
   unreachable
-inrange2955:
+inrange3129:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.Scope, ptr %t11, i64 %t7
   %t13 = getelementptr inbounds %S.gen.Scope, ptr %t12, i32 0, i32 0
@@ -29872,11 +35057,11 @@ inrange2955:
   %t16 = load { ptr, i64, i64 }, ptr %t13
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2956, label %inrange2957
-range2956:
-  call void @finch_panic_index(ptr @.str.1903, i64 1163, i64 %t15, i64 %t17)
+  br i1 %t18, label %range3130, label %inrange3131
+range3130:
+  call void @finch_panic_index(ptr @.str.1972, i64 1298, i64 %t15, i64 %t17)
   unreachable
-inrange2957:
+inrange3131:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.Var, ptr %t19, i64 %t15
   %t21 = load %S.gen.Var, ptr %t20
@@ -29901,38 +35086,38 @@ entry:
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic2958, label %ok2959
-panic2958:
-  call void @finch_panic(ptr @.str.1904, i64 1167, ptr @.str.1905)
+  br i1 %t5, label %panic3132, label %ok3133
+panic3132:
+  call void @finch_panic(ptr @.str.1973, i64 1302, ptr @.str.1974)
   unreachable
-ok2959:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 14
+ok3133:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 15
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load i64, ptr %t7
   store i64 0, ptr %a9
-  br label %for.cond2960
-for.cond2960:
+  br label %for.cond3134
+for.cond3134:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t8
-  br i1 %t11, label %for.body2961, label %for.end2963
-for.body2961:
+  br i1 %t11, label %for.body3135, label %for.end3137
+for.body3135:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic2964, label %ok2965
-panic2964:
-  call void @finch_panic(ptr @.str.1906, i64 1168, ptr @.str.1907)
+  br i1 %t13, label %panic3138, label %ok3139
+panic3138:
+  call void @finch_panic(ptr @.str.1975, i64 1303, ptr @.str.1976)
   unreachable
-ok2965:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 14
+ok3139:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 15
   %t15 = load i64, ptr %a9
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range2966, label %inrange2967
-range2966:
-  call void @finch_panic_index(ptr @.str.1908, i64 1168, i64 %t15, i64 %t17)
+  br i1 %t18, label %range3140, label %inrange3141
+range3140:
+  call void @finch_panic_index(ptr @.str.1977, i64 1303, i64 %t15, i64 %t17)
   unreachable
-inrange2967:
+inrange3141:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.gen.FnSig, ptr %t19, i64 %t15
   %t21 = getelementptr inbounds %S.gen.FnSig, ptr %t20, i32 0, i32 0
@@ -29942,27 +35127,27 @@ inrange2967:
   store { ptr, i64, i64 } %t23, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from2968
-logic.from2968:
-  br i1 %t27, label %logic.rhs2969, label %logic.end2970
-logic.rhs2969:
+  br label %logic.from3142
+logic.from3142:
+  br i1 %t27, label %logic.rhs3143, label %logic.end3144
+logic.rhs3143:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic2971, label %ok2972
-panic2971:
-  call void @finch_panic(ptr @.str.1909, i64 1168, ptr @.str.1910)
+  br i1 %t29, label %panic3145, label %ok3146
+panic3145:
+  call void @finch_panic(ptr @.str.1978, i64 1303, ptr @.str.1979)
   unreachable
-ok2972:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 14
+ok3146:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 15
   %t31 = load i64, ptr %a9
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range2973, label %inrange2974
-range2973:
-  call void @finch_panic_index(ptr @.str.1911, i64 1168, i64 %t31, i64 %t33)
+  br i1 %t34, label %range3147, label %inrange3148
+range3147:
+  call void @finch_panic_index(ptr @.str.1980, i64 1303, i64 %t31, i64 %t33)
   unreachable
-inrange2974:
+inrange3148:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.FnSig, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.FnSig, ptr %t36, i32 0, i32 1
@@ -29972,55 +35157,55 @@ inrange2974:
   store { ptr, i64, i64 } %t39, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend2975
-logic.rend2975:
-  br label %logic.end2970
-logic.end2970:
-  %t44 = phi i1 [ false, %logic.from2968 ], [ %t43, %logic.rend2975 ]
-  br label %logic.from2976
-logic.from2976:
-  br i1 %t44, label %logic.rhs2977, label %logic.end2978
-logic.rhs2977:
+  br label %logic.rend3149
+logic.rend3149:
+  br label %logic.end3144
+logic.end3144:
+  %t44 = phi i1 [ false, %logic.from3142 ], [ %t43, %logic.rend3149 ]
+  br label %logic.from3150
+logic.from3150:
+  br i1 %t44, label %logic.rhs3151, label %logic.end3152
+logic.rhs3151:
   %t45 = load ptr, ptr %a1
   %t46 = icmp eq ptr %t45, null
-  br i1 %t46, label %panic2979, label %ok2980
-panic2979:
-  call void @finch_panic(ptr @.str.1912, i64 1168, ptr @.str.1913)
+  br i1 %t46, label %panic3153, label %ok3154
+panic3153:
+  call void @finch_panic(ptr @.str.1981, i64 1303, ptr @.str.1982)
   unreachable
-ok2980:
-  %t47 = getelementptr inbounds %S.gen.Gen, ptr %t45, i32 0, i32 14
+ok3154:
+  %t47 = getelementptr inbounds %S.gen.Gen, ptr %t45, i32 0, i32 15
   %t48 = load i64, ptr %a9
   %t49 = load { ptr, i64, i64 }, ptr %t47
   %t50 = extractvalue { ptr, i64, i64 } %t49, 1
   %t51 = icmp uge i64 %t48, %t50
-  br i1 %t51, label %range2981, label %inrange2982
-range2981:
-  call void @finch_panic_index(ptr @.str.1914, i64 1168, i64 %t48, i64 %t50)
+  br i1 %t51, label %range3155, label %inrange3156
+range3155:
+  call void @finch_panic_index(ptr @.str.1983, i64 1303, i64 %t48, i64 %t50)
   unreachable
-inrange2982:
+inrange3156:
   %t52 = extractvalue { ptr, i64, i64 } %t49, 0
   %t53 = getelementptr inbounds %S.gen.FnSig, ptr %t52, i64 %t48
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %t53, i32 0, i32 2
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = icmp eq i64 %t56, 0
-  br label %logic.rend2983
-logic.rend2983:
-  br label %logic.end2978
-logic.end2978:
-  %t58 = phi i1 [ false, %logic.from2976 ], [ %t57, %logic.rend2983 ]
-  br i1 %t58, label %then2984, label %endif2986
-then2984:
+  br label %logic.rend3157
+logic.rend3157:
+  br label %logic.end3152
+logic.end3152:
+  %t58 = phi i1 [ false, %logic.from3150 ], [ %t57, %logic.rend3157 ]
+  br i1 %t58, label %then3158, label %endif3160
+then3158:
   %t59 = load i64, ptr %a9
   ret i64 %t59
-endif2986:
-  br label %for.step2962
-for.step2962:
+endif3160:
+  br label %for.step3136
+for.step3136:
   %t60 = load i64, ptr %a9
   %t61 = add i64 %t60, 1
   store i64 %t61, ptr %a9
-  br label %for.cond2960
-for.end2963:
+  br label %for.cond3134
+for.end3137:
   ret i64 -1
 }
 
@@ -30043,38 +35228,38 @@ entry:
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic2987, label %ok2988
-panic2987:
-  call void @finch_panic(ptr @.str.1915, i64 1176, ptr @.str.1916)
+  br i1 %t6, label %panic3161, label %ok3162
+panic3161:
+  call void @finch_panic(ptr @.str.1984, i64 1311, ptr @.str.1985)
   unreachable
-ok2988:
-  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 14
+ok3162:
+  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 15
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i32 0, i32 1
   %t9 = load i64, ptr %t8
   store i64 0, ptr %a10
-  br label %for.cond2989
-for.cond2989:
+  br label %for.cond3163
+for.cond3163:
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, %t9
-  br i1 %t12, label %for.body2990, label %for.end2992
-for.body2990:
+  br i1 %t12, label %for.body3164, label %for.end3166
+for.body3164:
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic2993, label %ok2994
-panic2993:
-  call void @finch_panic(ptr @.str.1917, i64 1177, ptr @.str.1918)
+  br i1 %t14, label %panic3167, label %ok3168
+panic3167:
+  call void @finch_panic(ptr @.str.1986, i64 1312, ptr @.str.1987)
   unreachable
-ok2994:
-  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 14
+ok3168:
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 15
   %t16 = load i64, ptr %a10
   %t17 = load { ptr, i64, i64 }, ptr %t15
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 %t16, %t18
-  br i1 %t19, label %range2995, label %inrange2996
-range2995:
-  call void @finch_panic_index(ptr @.str.1919, i64 1177, i64 %t16, i64 %t18)
+  br i1 %t19, label %range3169, label %inrange3170
+range3169:
+  call void @finch_panic_index(ptr @.str.1988, i64 1312, i64 %t16, i64 %t18)
   unreachable
-inrange2996:
+inrange3170:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.gen.FnSig, ptr %t20, i64 %t16
   %t22 = getelementptr inbounds %S.gen.FnSig, ptr %t21, i32 0, i32 3
@@ -30084,27 +35269,27 @@ inrange2996:
   store { ptr, i64, i64 } %t24, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br label %logic.from2997
-logic.from2997:
-  br i1 %t28, label %logic.rhs2998, label %logic.end2999
-logic.rhs2998:
+  br label %logic.from3171
+logic.from3171:
+  br i1 %t28, label %logic.rhs3172, label %logic.end3173
+logic.rhs3172:
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic3000, label %ok3001
-panic3000:
-  call void @finch_panic(ptr @.str.1920, i64 1177, ptr @.str.1921)
+  br i1 %t30, label %panic3174, label %ok3175
+panic3174:
+  call void @finch_panic(ptr @.str.1989, i64 1312, ptr @.str.1990)
   unreachable
-ok3001:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 14
+ok3175:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 15
   %t32 = load i64, ptr %a10
   %t33 = load { ptr, i64, i64 }, ptr %t31
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range3002, label %inrange3003
-range3002:
-  call void @finch_panic_index(ptr @.str.1922, i64 1177, i64 %t32, i64 %t34)
+  br i1 %t35, label %range3176, label %inrange3177
+range3176:
+  call void @finch_panic_index(ptr @.str.1991, i64 1312, i64 %t32, i64 %t34)
   unreachable
-inrange3003:
+inrange3177:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds %S.gen.FnSig, ptr %t36, i64 %t32
   %t38 = getelementptr inbounds %S.gen.FnSig, ptr %t37, i32 0, i32 2
@@ -30114,32 +35299,32 @@ inrange3003:
   store { ptr, i64, i64 } %t40, ptr %a42
   %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
   %t44 = icmp ne i32 %t43, 0
-  br label %logic.rend3004
-logic.rend3004:
-  br label %logic.end2999
-logic.end2999:
-  %t45 = phi i1 [ false, %logic.from2997 ], [ %t44, %logic.rend3004 ]
-  br label %logic.from3005
-logic.from3005:
-  br i1 %t45, label %logic.rhs3006, label %logic.end3007
-logic.rhs3006:
+  br label %logic.rend3178
+logic.rend3178:
+  br label %logic.end3173
+logic.end3173:
+  %t45 = phi i1 [ false, %logic.from3171 ], [ %t44, %logic.rend3178 ]
+  br label %logic.from3179
+logic.from3179:
+  br i1 %t45, label %logic.rhs3180, label %logic.end3181
+logic.rhs3180:
   %t46 = load ptr, ptr %a1
   %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic3008, label %ok3009
-panic3008:
-  call void @finch_panic(ptr @.str.1923, i64 1177, ptr @.str.1924)
+  br i1 %t47, label %panic3182, label %ok3183
+panic3182:
+  call void @finch_panic(ptr @.str.1992, i64 1312, ptr @.str.1993)
   unreachable
-ok3009:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 14
+ok3183:
+  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 15
   %t49 = load i64, ptr %a10
   %t50 = load { ptr, i64, i64 }, ptr %t48
   %t51 = extractvalue { ptr, i64, i64 } %t50, 1
   %t52 = icmp uge i64 %t49, %t51
-  br i1 %t52, label %range3010, label %inrange3011
-range3010:
-  call void @finch_panic_index(ptr @.str.1925, i64 1177, i64 %t49, i64 %t51)
+  br i1 %t52, label %range3184, label %inrange3185
+range3184:
+  call void @finch_panic_index(ptr @.str.1994, i64 1312, i64 %t49, i64 %t51)
   unreachable
-inrange3011:
+inrange3185:
   %t53 = extractvalue { ptr, i64, i64 } %t50, 0
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %t53, i64 %t49
   %t55 = getelementptr inbounds %S.gen.FnSig, ptr %t54, i32 0, i32 1
@@ -30149,23 +35334,23 @@ inrange3011:
   store { ptr, i64, i64 } %t57, ptr %a59
   %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
   %t61 = icmp ne i32 %t60, 0
-  br label %logic.rend3012
-logic.rend3012:
-  br label %logic.end3007
-logic.end3007:
-  %t62 = phi i1 [ false, %logic.from3005 ], [ %t61, %logic.rend3012 ]
-  br i1 %t62, label %then3013, label %endif3015
-then3013:
+  br label %logic.rend3186
+logic.rend3186:
+  br label %logic.end3181
+logic.end3181:
+  %t62 = phi i1 [ false, %logic.from3179 ], [ %t61, %logic.rend3186 ]
+  br i1 %t62, label %then3187, label %endif3189
+then3187:
   %t63 = load i64, ptr %a10
   ret i64 %t63
-endif3015:
-  br label %for.step2991
-for.step2991:
+endif3189:
+  br label %for.step3165
+for.step3165:
   %t64 = load i64, ptr %a10
   %t65 = add i64 %t64, 1
   store i64 %t65, ptr %a10
-  br label %for.cond2989
-for.end2992:
+  br label %for.cond3163
+for.end3166:
   ret i64 -1
 }
 
@@ -30181,61 +35366,61 @@ entry:
   %t2 = mul i64 28, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.1926, i64 5, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.1995, i64 5, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.1927, i64 4, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.1996, i64 4, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.1928, i64 3, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.1997, i64 3, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.1929, i64 3, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.1998, i64 3, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.1930, i64 4, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.1999, i64 4, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.1931, i64 5, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.2000, i64 5, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.1932, i64 4, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.2001, i64 4, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.1933, i64 9, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.2002, i64 9, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.1934, i64 10, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.2003, i64 10, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.1935, i64 11, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.2004, i64 11, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.1936, i64 5, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.2005, i64 5, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.1937, i64 4, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.2006, i64 4, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.1938, i64 5, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.2007, i64 5, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.1939, i64 3, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.2008, i64 3, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.1940, i64 4, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.2009, i64 4, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.1941, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.2010, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 16
-  store { ptr, i64, i64 } { ptr @.str.1942, i64 11, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.2011, i64 11, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 17
-  store { ptr, i64, i64 } { ptr @.str.1943, i64 2, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.2012, i64 2, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 18
-  store { ptr, i64, i64 } { ptr @.str.1944, i64 3, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.2013, i64 3, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 19
-  store { ptr, i64, i64 } { ptr @.str.1945, i64 3, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.2014, i64 3, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 20
-  store { ptr, i64, i64 } { ptr @.str.1946, i64 3, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.2015, i64 3, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 21
-  store { ptr, i64, i64 } { ptr @.str.1947, i64 2, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.2016, i64 2, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 22
-  store { ptr, i64, i64 } { ptr @.str.1948, i64 3, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.2017, i64 3, i64 0 }, ptr %t26
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 23
-  store { ptr, i64, i64 } { ptr @.str.1949, i64 3, i64 0 }, ptr %t27
+  store { ptr, i64, i64 } { ptr @.str.2018, i64 3, i64 0 }, ptr %t27
   %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 24
-  store { ptr, i64, i64 } { ptr @.str.1950, i64 3, i64 0 }, ptr %t28
+  store { ptr, i64, i64 } { ptr @.str.2019, i64 3, i64 0 }, ptr %t28
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 25
-  store { ptr, i64, i64 } { ptr @.str.1951, i64 3, i64 0 }, ptr %t29
+  store { ptr, i64, i64 } { ptr @.str.2020, i64 3, i64 0 }, ptr %t29
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 26
-  store { ptr, i64, i64 } { ptr @.str.1952, i64 3, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.2021, i64 3, i64 0 }, ptr %t30
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 27
-  store { ptr, i64, i64 } { ptr @.str.1953, i64 5, i64 0 }, ptr %t31
+  store { ptr, i64, i64 } { ptr @.str.2022, i64 5, i64 0 }, ptr %t31
   %t32 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t33 = insertvalue { ptr, i64, i64 } %t32, i64 28, 1
   %t34 = insertvalue { ptr, i64, i64 } %t33, i64 28, 2
@@ -30246,33 +35431,34 @@ entry:
   %t39 = load i64, ptr %t36
   %t40 = load ptr, ptr %a35
   store i64 0, ptr %a41
-  br label %find.cond3016
-find.cond3016:
+  br label %find.cond3190
+find.cond3190:
   %t42 = load i64, ptr %a41
   %t43 = icmp slt i64 %t42, %t39
-  br i1 %t43, label %find.body3017, label %find.end3020
-find.body3017:
+  br i1 %t43, label %find.body3191, label %find.end3194
+find.body3191:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t42
   %t45 = load { ptr, i64, i64 }, ptr %t44
   store { ptr, i64, i64 } %t45, ptr %a46
   store { ptr, i64, i64 } %t37, ptr %a47
   %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
   %t49 = icmp ne i32 %t48, 0
-  br i1 %t49, label %find.hit3018, label %find.next3019
-find.hit3018:
+  br i1 %t49, label %find.hit3192, label %find.next3193
+find.hit3192:
   store i64 %t42, ptr %a38
-  br label %find.end3020
-find.next3019:
+  br label %find.end3194
+find.next3193:
   %t50 = add i64 %t42, 1
   store i64 %t50, ptr %a41
-  br label %find.cond3016
-find.end3020:
+  br label %find.cond3190
+find.end3194:
   %t51 = load i64, ptr %a38
   %t52 = icmp sge i64 %t51, 0
+  call void @finch.drop.arr_str(ptr %a35)
   ret i1 %t52
 }
 
-define internal { ptr, i64, i64 } @finch.gen.addVar(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4, i1 %p5) {
+define internal { ptr, i64, i64 } @finch.gen.addVar(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4, i1 %p5, i1 %p6) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
@@ -30280,85 +35466,75 @@ entry:
   %a4 = alloca %S.ast.Type, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca i1, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca i1, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca %S.ast.Type, align 16
-  %a95 = alloca %S.ast.Type, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca %S.ast.Node, align 16
-  %a189 = alloca %S.ast.Node, align 16
-  %a191 = alloca %S.ast.Node, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca i64, align 16
+  %a93 = alloca i1, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca %S.ast.Type, align 16
+  %a142 = alloca %S.ast.Type, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca %S.ast.Node, align 16
+  %a238 = alloca %S.ast.Node, align 16
+  %a240 = alloca %S.ast.Node, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
   %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
   %a285 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
@@ -30366,497 +35542,678 @@ entry:
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
   %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Type %p3, ptr %a4
   store { ptr, i64, i64 } %p4, ptr %a5
   store i1 %p5, ptr %a6
-  %t7 = load ptr, ptr %a1
-  %t8 = load { ptr, i64, i64 }, ptr %a3
-  %t9 = call i64 @finch.gen.lookup(ptr %t7, { ptr, i64, i64 } %t8)
-  %t10 = icmp sge i64 %t9, 0
-  br label %logic.from3021
-logic.from3021:
-  br i1 %t10, label %logic.rhs3022, label %logic.end3023
-logic.rhs3022:
-  %t11 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t11, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.1954, i64 3, i64 0 }, ptr %a13
-  %t14 = call i32 @finch_str_eq(ptr %a12, ptr %a13)
-  %t15 = icmp eq i32 %t14, 0
-  br label %logic.rend3024
-logic.rend3024:
-  br label %logic.end3023
-logic.end3023:
-  %t16 = phi i1 [ false, %logic.from3021 ], [ %t15, %logic.rend3024 ]
-  br i1 %t16, label %then3025, label %endif3027
-then3025:
-  %t17 = load ptr, ptr %a1
-  %t18 = load %S.ast.Node, ptr %a2
-  %t19 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1955, i64 18, i64 0 }, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.1956, i64 21, i64 0 }, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  call void @finch.gen.fail(ptr %t17, %S.ast.Node %t18, { ptr, i64, i64 } %t27)
-  br label %endif3027
-endif3027:
-  %t28 = load ptr, ptr %a1
-  %t29 = load ptr, ptr %a1
-  %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic3028, label %ok3029
-panic3028:
-  call void @finch_panic(ptr @.str.1957, i64 1195, ptr @.str.1958)
+  store i1 %p6, ptr %a7
+  %t8 = load ptr, ptr %a1
+  %t9 = load { ptr, i64, i64 }, ptr %a3
+  %t10 = call i64 @finch.gen.lookup(ptr %t8, { ptr, i64, i64 } %t9)
+  %t11 = icmp sge i64 %t10, 0
+  br label %logic.from3195
+logic.from3195:
+  br i1 %t11, label %logic.rhs3196, label %logic.end3197
+logic.rhs3196:
+  %t12 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t12, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.2023, i64 3, i64 0 }, ptr %a14
+  %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
+  %t16 = icmp eq i32 %t15, 0
+  br label %logic.rend3198
+logic.rend3198:
+  br label %logic.end3197
+logic.end3197:
+  %t17 = phi i1 [ false, %logic.from3195 ], [ %t16, %logic.rend3198 ]
+  br i1 %t17, label %then3199, label %endif3201
+then3199:
+  %t18 = load ptr, ptr %a1
+  %t19 = load %S.ast.Node, ptr %a2
+  %t20 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2024, i64 18, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.2025, i64 21, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.fail(ptr %t18, %S.ast.Node %t19, { ptr, i64, i64 } %t29)
+  store { ptr, i64, i64 } %t29, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  br label %endif3201
+endif3201:
+  %t31 = load ptr, ptr %a1
+  %t32 = load ptr, ptr %a1
+  %t33 = icmp eq ptr %t32, null
+  br i1 %t33, label %panic3202, label %ok3203
+panic3202:
+  call void @finch_panic(ptr @.str.2026, i64 1330, ptr @.str.2027)
   unreachable
-ok3029:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 13
-  %t32 = load { ptr, i64, i64 }, ptr %t31
-  %t33 = load { ptr, i64, i64 }, ptr %a3
-  %t34 = call i64 @finch.gen.findFn(ptr %t28, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33)
-  %t35 = icmp sge i64 %t34, 0
-  br i1 %t35, label %then3030, label %endif3032
-then3030:
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Node, ptr %a2
-  %t38 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1959, i64 1, i64 0 }, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.1960, i64 35, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } %t46)
-  br label %endif3032
-endif3032:
-  %t47 = load { ptr, i64, i64 }, ptr %a3
-  %t48 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t47)
-  br i1 %t48, label %then3033, label %endif3035
-then3033:
-  %t49 = load ptr, ptr %a1
-  %t50 = load %S.ast.Node, ptr %a2
-  %t51 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1961, i64 1, i64 0 }, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.1962, i64 38, i64 0 }, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  call void @finch.gen.fail(ptr %t49, %S.ast.Node %t50, { ptr, i64, i64 } %t59)
-  br label %endif3035
-endif3035:
-  %t60 = load ptr, ptr %a1
-  %t61 = load ptr, ptr %a1
-  %t62 = load %S.ast.Type, ptr %a4
-  %t63 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t61, %S.ast.Type %t62)
-  %t64 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t60, { ptr, i64, i64 } %t63)
-  store { ptr, i64, i64 } %t64, ptr %a65
-  %t66 = load ptr, ptr %a1
+ok3203:
+  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 14
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  %t36 = load { ptr, i64, i64 }, ptr %a3
+  %t37 = call i64 @finch.gen.findFn(ptr %t31, { ptr, i64, i64 } %t35, { ptr, i64, i64 } %t36)
+  %t38 = icmp sge i64 %t37, 0
+  br i1 %t38, label %then3204, label %endif3206
+then3204:
+  %t39 = load ptr, ptr %a1
+  %t40 = load %S.ast.Node, ptr %a2
+  %t41 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2028, i64 1, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  store { ptr, i64, i64 } %t45, ptr %a47
+  store { ptr, i64, i64 } { ptr @.str.2029, i64 35, i64 0 }, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t45, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } %t50)
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %endif3206
+endif3206:
+  %t52 = load { ptr, i64, i64 }, ptr %a3
+  %t53 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t52)
+  br i1 %t53, label %then3207, label %endif3209
+then3207:
+  %t54 = load ptr, ptr %a1
+  %t55 = load %S.ast.Node, ptr %a2
+  %t56 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2030, i64 1, i64 0 }, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t60, ptr %a62
+  store { ptr, i64, i64 } { ptr @.str.2031, i64 38, i64 0 }, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  call void @finch.gen.fail(ptr %t54, %S.ast.Node %t55, { ptr, i64, i64 } %t65)
+  store { ptr, i64, i64 } %t65, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  br label %endif3209
+endif3209:
   %t67 = load ptr, ptr %a1
-  %t68 = load %S.ast.Type, ptr %a4
-  %t69 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t67, %S.ast.Type %t68)
-  %t70 = load { ptr, i64, i64 }, ptr %a5
-  %t71 = load { ptr, i64, i64 }, ptr %a65
-  call void @finch.gen.store(ptr %t66, { ptr, i64, i64 } %t69, { ptr, i64, i64 } %t70, { ptr, i64, i64 } %t71)
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic3036, label %ok3037
-panic3036:
-  call void @finch_panic(ptr @.str.1963, i64 1203, ptr @.str.1964)
-  unreachable
-ok3037:
-  %t74 = getelementptr inbounds %S.gen.Gen, ptr %t72, i32 0, i32 10
+  %t68 = load ptr, ptr %a1
+  %t69 = load %S.ast.Type, ptr %a4
+  %t70 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t68, %S.ast.Type %t69)
+  %t71 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t67, { ptr, i64, i64 } %t70)
+  store { ptr, i64, i64 } %t70, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t71, ptr %a73
+  %t74 = load ptr, ptr %a1
   %t75 = load ptr, ptr %a1
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic3038, label %ok3039
-panic3038:
-  call void @finch_panic(ptr @.str.1965, i64 1203, ptr @.str.1966)
+  %t76 = load %S.ast.Type, ptr %a4
+  %t77 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t75, %S.ast.Type %t76)
+  %t78 = load { ptr, i64, i64 }, ptr %a5
+  %t79 = load { ptr, i64, i64 }, ptr %a73
+  call void @finch.gen.store(ptr %t74, { ptr, i64, i64 } %t77, { ptr, i64, i64 } %t78, { ptr, i64, i64 } %t79)
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic3210, label %ok3211
+panic3210:
+  call void @finch_panic(ptr @.str.2032, i64 1338, ptr @.str.2033)
   unreachable
-ok3039:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 10
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t79 = load i64, ptr %t78
-  %t80 = sub i64 %t79, 1
-  %t81 = load { ptr, i64, i64 }, ptr %t74
-  %t82 = extractvalue { ptr, i64, i64 } %t81, 1
-  %t83 = icmp uge i64 %t80, %t82
-  br i1 %t83, label %range3040, label %inrange3041
-range3040:
-  call void @finch_panic_index(ptr @.str.1967, i64 1203, i64 %t80, i64 %t82)
+ok3211:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 10
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = sub i64 %t85, 1
+  store i64 %t86, ptr %a87
+  %t88 = load i1, ptr %a7
+  br label %logic.from3212
+logic.from3212:
+  br i1 %t88, label %logic.rhs3213, label %logic.end3214
+logic.rhs3213:
+  %t89 = load ptr, ptr %a1
+  %t90 = load %S.ast.Type, ptr %a4
+  %t91 = call i1 @finch.gen.owning(ptr %t89, %S.ast.Type %t90)
+  br label %logic.rend3215
+logic.rend3215:
+  br label %logic.end3214
+logic.end3214:
+  %t92 = phi i1 [ false, %logic.from3212 ], [ %t91, %logic.rend3215 ]
+  store i1 %t92, ptr %a93
+  %t94 = load i1, ptr %a93
+  br i1 %t94, label %then3216, label %endif3218
+then3216:
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic3219, label %ok3220
+panic3219:
+  call void @finch_panic(ptr @.str.2034, i64 1341, ptr @.str.2035)
   unreachable
-inrange3041:
-  %t84 = extractvalue { ptr, i64, i64 } %t81, 0
-  %t85 = getelementptr inbounds %S.gen.Scope, ptr %t84, i64 %t80
-  %t86 = getelementptr inbounds %S.gen.Scope, ptr %t85, i32 0, i32 0
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
-  %t88 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t88, ptr %a89
-  call void @finch_str_copy(ptr %a90, ptr %a89)
-  %t91 = load { ptr, i64, i64 }, ptr %a90
-  %t92 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } %t91, 0
-  %t93 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t93, ptr %a94
-  call void @finch.copy.S_ast_Type(ptr %a95, ptr %a94)
-  %t96 = load %S.ast.Type, ptr %a95
-  %t97 = insertvalue %S.gen.Var %t92, %S.ast.Type %t96, 1
-  %t98 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t98, ptr %a99
-  call void @finch_str_copy(ptr %a100, ptr %a99)
-  %t101 = load { ptr, i64, i64 }, ptr %a100
-  %t102 = insertvalue %S.gen.Var %t97, { ptr, i64, i64 } %t101, 2
-  %t103 = load i1, ptr %a6
-  %t104 = insertvalue %S.gen.Var %t102, i1 %t103, 3
-  %t105 = load ptr, ptr %a1
-  %t106 = icmp eq ptr %t105, null
-  br i1 %t106, label %panic3042, label %ok3043
-panic3042:
-  call void @finch_panic(ptr @.str.1968, i64 1203, ptr @.str.1969)
+ok3220:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 10
+  %t98 = load i64, ptr %a87
+  %t99 = load { ptr, i64, i64 }, ptr %t97
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 %t98, %t100
+  br i1 %t101, label %range3221, label %inrange3222
+range3221:
+  call void @finch_panic_index(ptr @.str.2036, i64 1341, i64 %t98, i64 %t100)
   unreachable
-ok3043:
-  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 23
-  %t108 = load i64, ptr %t107
-  %t109 = insertvalue %S.gen.Var %t104, i64 %t108, 4
-  %t110 = load ptr, ptr %a1
-  %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic3044, label %ok3045
-panic3044:
-  call void @finch_panic(ptr @.str.1970, i64 1203, ptr @.str.1971)
+inrange3222:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds %S.gen.Scope, ptr %t102, i64 %t98
+  %t104 = getelementptr inbounds %S.gen.Scope, ptr %t103, i32 0, i32 3
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t106 = insertvalue %S.gen.Cleanup zeroinitializer, i1 false, 0
+  %t107 = load ptr, ptr %a1
+  %t108 = icmp eq ptr %t107, null
+  br i1 %t108, label %panic3223, label %ok3224
+panic3223:
+  call void @finch_panic(ptr @.str.2037, i64 1341, ptr @.str.2038)
   unreachable
-ok3045:
-  %t112 = getelementptr inbounds %S.gen.Gen, ptr %t110, i32 0, i32 1
-  %t113 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t114 = load i64, ptr %t113
-  %t115 = load { ptr, i64, i64 }, ptr %t112
-  %t116 = extractvalue { ptr, i64, i64 } %t115, 1
-  %t117 = icmp uge i64 %t114, %t116
-  br i1 %t117, label %range3046, label %inrange3047
-range3046:
-  call void @finch_panic_index(ptr @.str.1972, i64 1203, i64 %t114, i64 %t116)
+ok3224:
+  %t109 = getelementptr inbounds %S.gen.Gen, ptr %t107, i32 0, i32 10
+  %t110 = load i64, ptr %a87
+  %t111 = load { ptr, i64, i64 }, ptr %t109
+  %t112 = extractvalue { ptr, i64, i64 } %t111, 1
+  %t113 = icmp uge i64 %t110, %t112
+  br i1 %t113, label %range3225, label %inrange3226
+range3225:
+  call void @finch_panic_index(ptr @.str.2039, i64 1341, i64 %t110, i64 %t112)
   unreachable
-inrange3047:
-  %t118 = extractvalue { ptr, i64, i64 } %t115, 0
-  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t118, i64 %t114
-  %t120 = load { ptr, i64, i64 }, ptr %t119
-  store { ptr, i64, i64 } %t120, ptr %a121
-  call void @finch_str_copy(ptr %a122, ptr %a121)
-  %t123 = load { ptr, i64, i64 }, ptr %a122
-  %t124 = insertvalue %S.gen.Var %t109, { ptr, i64, i64 } %t123, 5
-  %t125 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t126 = load i64, ptr %t125
-  %t127 = insertvalue %S.gen.Var %t124, i64 %t126, 6
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t129 = load i64, ptr %t128
-  %t130 = insertvalue %S.gen.Var %t127, i64 %t129, 7
-  %t131 = load i64, ptr %t87
-  %t132 = add i64 %t131, 1
-  call void @finch_arr_reserve(ptr %t86, i64 %t132, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
-  %t133 = load ptr, ptr %t86
-  %t134 = getelementptr inbounds %S.gen.Var, ptr %t133, i64 %t131
-  store %S.gen.Var %t130, ptr %t134
-  store i64 %t132, ptr %t87
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic3048, label %ok3049
-panic3048:
-  call void @finch_panic(ptr @.str.1973, i64 1204, ptr @.str.1974)
+inrange3226:
+  %t114 = extractvalue { ptr, i64, i64 } %t111, 0
+  %t115 = getelementptr inbounds %S.gen.Scope, ptr %t114, i64 %t110
+  %t116 = getelementptr inbounds %S.gen.Scope, ptr %t115, i32 0, i32 0
+  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %t116, i32 0, i32 1
+  %t118 = load i64, ptr %t117
+  %t119 = insertvalue %S.gen.Cleanup %t106, i64 %t118, 1
+  %t120 = load i64, ptr %t105
+  %t121 = add i64 %t120, 1
+  call void @finch_arr_reserve(ptr %t104, i64 %t121, i64 ptrtoint (ptr getelementptr (%S.gen.Cleanup, ptr null, i32 1) to i64))
+  %t122 = load ptr, ptr %t104
+  %t123 = getelementptr inbounds %S.gen.Cleanup, ptr %t122, i64 %t120
+  store %S.gen.Cleanup %t119, ptr %t123
+  store i64 %t121, ptr %t105
+  br label %endif3218
+endif3218:
+  %t124 = load ptr, ptr %a1
+  %t125 = icmp eq ptr %t124, null
+  br i1 %t125, label %panic3227, label %ok3228
+panic3227:
+  call void @finch_panic(ptr @.str.2040, i64 1343, ptr @.str.2041)
   unreachable
-ok3049:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 23
-  %t138 = load i64, ptr %t137
-  %t139 = add i64 %t138, 1
-  store i64 %t139, ptr %t137
-  %t140 = load ptr, ptr %a1
-  %t141 = load %S.ast.Node, ptr %a2
-  %t142 = load { ptr, i64, i64 }, ptr %a3
-  %t143 = load %S.ast.Type, ptr %a4
-  %t144 = load { ptr, i64, i64 }, ptr %a65
-  call void @finch.gen.dbgVariable(ptr %t140, %S.ast.Node %t141, { ptr, i64, i64 } %t142, %S.ast.Type %t143, { ptr, i64, i64 } %t144)
-  %t145 = load ptr, ptr %a1
-  %t146 = icmp eq ptr %t145, null
-  br i1 %t146, label %panic3050, label %ok3051
-panic3050:
-  call void @finch_panic(ptr @.str.1975, i64 1206, ptr @.str.1976)
+ok3228:
+  %t126 = getelementptr inbounds %S.gen.Gen, ptr %t124, i32 0, i32 10
+  %t127 = load i64, ptr %a87
+  %t128 = load { ptr, i64, i64 }, ptr %t126
+  %t129 = extractvalue { ptr, i64, i64 } %t128, 1
+  %t130 = icmp uge i64 %t127, %t129
+  br i1 %t130, label %range3229, label %inrange3230
+range3229:
+  call void @finch_panic_index(ptr @.str.2042, i64 1343, i64 %t127, i64 %t129)
   unreachable
-ok3051:
-  %t147 = getelementptr inbounds %S.gen.Gen, ptr %t145, i32 0, i32 26
-  %t148 = load i1, ptr %t147
-  br label %logic.from3052
-logic.from3052:
-  br i1 %t148, label %logic.rhs3053, label %logic.end3054
-logic.rhs3053:
-  %t149 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t149, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.1977, i64 3, i64 0 }, ptr %a151
-  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
-  %t153 = icmp eq i32 %t152, 0
-  br label %logic.rend3055
-logic.rend3055:
-  br label %logic.end3054
-logic.end3054:
-  %t154 = phi i1 [ false, %logic.from3052 ], [ %t153, %logic.rend3055 ]
-  br label %logic.from3056
-logic.from3056:
-  br i1 %t154, label %logic.rhs3057, label %logic.end3058
-logic.rhs3057:
-  %t155 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.1979, i64 1, i64 0 }, ptr %a158
-  %t159 = call i32 @finch_str_starts(ptr %a156, ptr %a158)
-  %t160 = icmp ne i32 %t159, 0
-  %t161 = xor i1 %t160, true
-  br label %logic.rend3059
-logic.rend3059:
-  br label %logic.end3058
-logic.end3058:
-  %t162 = phi i1 [ false, %logic.from3056 ], [ %t161, %logic.rend3059 ]
-  br i1 %t162, label %then3060, label %endif3062
-then3060:
-  %t163 = load ptr, ptr %a1
-  %t164 = icmp eq ptr %t163, null
-  br i1 %t164, label %panic3063, label %ok3064
-panic3063:
-  call void @finch_panic(ptr @.str.1980, i64 1207, ptr @.str.1981)
+inrange3230:
+  %t131 = extractvalue { ptr, i64, i64 } %t128, 0
+  %t132 = getelementptr inbounds %S.gen.Scope, ptr %t131, i64 %t127
+  %t133 = getelementptr inbounds %S.gen.Scope, ptr %t132, i32 0, i32 0
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_copy(ptr %a137, ptr %a136)
+  %t138 = load { ptr, i64, i64 }, ptr %a137
+  %t139 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } %t138, 0
+  %t140 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t140, ptr %a141
+  call void @finch.copy.S_ast_Type(ptr %a142, ptr %a141)
+  %t143 = load %S.ast.Type, ptr %a142
+  %t144 = insertvalue %S.gen.Var %t139, %S.ast.Type %t143, 1
+  %t145 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t145, ptr %a146
+  call void @finch_str_copy(ptr %a147, ptr %a146)
+  %t148 = load { ptr, i64, i64 }, ptr %a147
+  %t149 = insertvalue %S.gen.Var %t144, { ptr, i64, i64 } %t148, 2
+  %t150 = load i1, ptr %a6
+  %t151 = insertvalue %S.gen.Var %t149, i1 %t150, 3
+  %t152 = load ptr, ptr %a1
+  %t153 = icmp eq ptr %t152, null
+  br i1 %t153, label %panic3231, label %ok3232
+panic3231:
+  call void @finch_panic(ptr @.str.2043, i64 1343, ptr @.str.2044)
   unreachable
-ok3064:
-  %t165 = getelementptr inbounds %S.gen.Gen, ptr %t163, i32 0, i32 0
-  %t166 = load ptr, ptr %a1
-  %t167 = icmp eq ptr %t166, null
-  br i1 %t167, label %panic3065, label %ok3066
-panic3065:
-  call void @finch_panic(ptr @.str.1982, i64 1207, ptr @.str.1983)
+ok3232:
+  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 24
+  %t155 = load i64, ptr %t154
+  %t156 = insertvalue %S.gen.Var %t151, i64 %t155, 4
+  %t157 = load i1, ptr %a93
+  %t158 = insertvalue %S.gen.Var %t156, i1 %t157, 5
+  %t159 = load ptr, ptr %a1
+  %t160 = icmp eq ptr %t159, null
+  br i1 %t160, label %panic3233, label %ok3234
+panic3233:
+  call void @finch_panic(ptr @.str.2045, i64 1343, ptr @.str.2046)
   unreachable
-ok3066:
-  %t168 = getelementptr inbounds %S.gen.Gen, ptr %t166, i32 0, i32 12
-  %t169 = getelementptr inbounds %S.gen.FnSig, ptr %t168, i32 0, i32 16
-  %t170 = load i64, ptr %t169
-  %t171 = load { ptr, i64, i64 }, ptr %t165
-  %t172 = extractvalue { ptr, i64, i64 } %t171, 1
-  %t173 = icmp uge i64 %t170, %t172
-  br i1 %t173, label %range3067, label %inrange3068
-range3067:
-  call void @finch_panic_index(ptr @.str.1984, i64 1207, i64 %t170, i64 %t172)
+ok3234:
+  %t161 = getelementptr inbounds %S.gen.Gen, ptr %t159, i32 0, i32 1
+  %t162 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t163 = load i64, ptr %t162
+  %t164 = load { ptr, i64, i64 }, ptr %t161
+  %t165 = extractvalue { ptr, i64, i64 } %t164, 1
+  %t166 = icmp uge i64 %t163, %t165
+  br i1 %t166, label %range3235, label %inrange3236
+range3235:
+  call void @finch_panic_index(ptr @.str.2047, i64 1343, i64 %t163, i64 %t165)
   unreachable
-inrange3068:
-  %t174 = extractvalue { ptr, i64, i64 } %t171, 0
-  %t175 = getelementptr inbounds %S.ast.Program, ptr %t174, i64 %t170
-  %t176 = getelementptr inbounds %S.ast.Program, ptr %t175, i32 0, i32 8
-  %t177 = load ptr, ptr %a1
-  %t178 = icmp eq ptr %t177, null
-  br i1 %t178, label %panic3069, label %ok3070
-panic3069:
-  call void @finch_panic(ptr @.str.1985, i64 1207, ptr @.str.1986)
+inrange3236:
+  %t167 = extractvalue { ptr, i64, i64 } %t164, 0
+  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i64 %t163
+  %t169 = load { ptr, i64, i64 }, ptr %t168
+  store { ptr, i64, i64 } %t169, ptr %a170
+  call void @finch_str_copy(ptr %a171, ptr %a170)
+  %t172 = load { ptr, i64, i64 }, ptr %a171
+  %t173 = insertvalue %S.gen.Var %t158, { ptr, i64, i64 } %t172, 7
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t175 = load i64, ptr %t174
+  %t176 = insertvalue %S.gen.Var %t173, i64 %t175, 8
+  %t177 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t178 = load i64, ptr %t177
+  %t179 = insertvalue %S.gen.Var %t176, i64 %t178, 9
+  %t180 = load i64, ptr %t134
+  %t181 = add i64 %t180, 1
+  call void @finch_arr_reserve(ptr %t133, i64 %t181, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
+  %t182 = load ptr, ptr %t133
+  %t183 = getelementptr inbounds %S.gen.Var, ptr %t182, i64 %t180
+  store %S.gen.Var %t179, ptr %t183
+  store i64 %t181, ptr %t134
+  %t184 = load ptr, ptr %a1
+  %t185 = icmp eq ptr %t184, null
+  br i1 %t185, label %panic3237, label %ok3238
+panic3237:
+  call void @finch_panic(ptr @.str.2048, i64 1344, ptr @.str.2049)
   unreachable
-ok3070:
-  %t179 = getelementptr inbounds %S.gen.Gen, ptr %t177, i32 0, i32 12
-  %t180 = getelementptr inbounds %S.gen.FnSig, ptr %t179, i32 0, i32 17
-  %t181 = load i64, ptr %t180
-  %t182 = load { ptr, i64, i64 }, ptr %t176
-  %t183 = extractvalue { ptr, i64, i64 } %t182, 1
-  %t184 = icmp uge i64 %t181, %t183
-  br i1 %t184, label %range3071, label %inrange3072
-range3071:
-  call void @finch_panic_index(ptr @.str.1987, i64 1207, i64 %t181, i64 %t183)
+ok3238:
+  %t186 = getelementptr inbounds %S.gen.Gen, ptr %t184, i32 0, i32 24
+  %t187 = load i64, ptr %t186
+  %t188 = add i64 %t187, 1
+  store i64 %t188, ptr %t186
+  %t189 = load ptr, ptr %a1
+  %t190 = load %S.ast.Node, ptr %a2
+  %t191 = load { ptr, i64, i64 }, ptr %a3
+  %t192 = load %S.ast.Type, ptr %a4
+  %t193 = load { ptr, i64, i64 }, ptr %a73
+  call void @finch.gen.dbgVariable(ptr %t189, %S.ast.Node %t190, { ptr, i64, i64 } %t191, %S.ast.Type %t192, { ptr, i64, i64 } %t193)
+  %t194 = load ptr, ptr %a1
+  %t195 = icmp eq ptr %t194, null
+  br i1 %t195, label %panic3239, label %ok3240
+panic3239:
+  call void @finch_panic(ptr @.str.2050, i64 1346, ptr @.str.2051)
   unreachable
-inrange3072:
-  %t185 = extractvalue { ptr, i64, i64 } %t182, 0
-  %t186 = getelementptr inbounds %S.ast.Node, ptr %t185, i64 %t181
-  %t187 = load %S.ast.Node, ptr %t186
-  store %S.ast.Node %t187, ptr %a188
-  call void @finch.copy.S_ast_Node(ptr %a189, ptr %a188)
-  %t190 = load %S.ast.Node, ptr %a189
-  store %S.ast.Node %t190, ptr %a191
-  %t192 = load ptr, ptr %a1
-  %t193 = icmp eq ptr %t192, null
-  br i1 %t193, label %panic3073, label %ok3074
-panic3073:
-  call void @finch_panic(ptr @.str.1988, i64 1208, ptr @.str.1989)
+ok3240:
+  %t196 = getelementptr inbounds %S.gen.Gen, ptr %t194, i32 0, i32 27
+  %t197 = load i1, ptr %t196
+  br label %logic.from3241
+logic.from3241:
+  br i1 %t197, label %logic.rhs3242, label %logic.end3243
+logic.rhs3242:
+  %t198 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t198, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.2052, i64 3, i64 0 }, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp eq i32 %t201, 0
+  br label %logic.rend3244
+logic.rend3244:
+  br label %logic.end3243
+logic.end3243:
+  %t203 = phi i1 [ false, %logic.from3241 ], [ %t202, %logic.rend3244 ]
+  br label %logic.from3245
+logic.from3245:
+  br i1 %t203, label %logic.rhs3246, label %logic.end3247
+logic.rhs3246:
+  %t204 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t204, ptr %a205
+  store { ptr, i64, i64 } { ptr @.str.2054, i64 1, i64 0 }, ptr %a207
+  %t208 = call i32 @finch_str_starts(ptr %a205, ptr %a207)
+  %t209 = icmp ne i32 %t208, 0
+  %t210 = xor i1 %t209, true
+  br label %logic.rend3248
+logic.rend3248:
+  br label %logic.end3247
+logic.end3247:
+  %t211 = phi i1 [ false, %logic.from3245 ], [ %t210, %logic.rend3248 ]
+  br i1 %t211, label %then3249, label %endif3251
+then3249:
+  %t212 = load ptr, ptr %a1
+  %t213 = icmp eq ptr %t212, null
+  br i1 %t213, label %panic3252, label %ok3253
+panic3252:
+  call void @finch_panic(ptr @.str.2055, i64 1347, ptr @.str.2056)
   unreachable
-ok3074:
-  %t194 = getelementptr inbounds %S.gen.Gen, ptr %t192, i32 0, i32 27
-  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
-  %t196 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.1990, i64 3, i64 0 }, ptr %a198
-  store { ptr, i64, i64 } %t196, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  store { ptr, i64, i64 } %t200, ptr %a202
-  store { ptr, i64, i64 } { ptr @.str.1991, i64 1, i64 0 }, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  %t205 = load %S.ast.Type, ptr %a4
-  %t206 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t205)
-  store { ptr, i64, i64 } %t204, ptr %a208
-  store { ptr, i64, i64 } %t206, ptr %a209
-  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  store { ptr, i64, i64 } %t210, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.1992, i64 1, i64 0 }, ptr %a213
-  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
-  %t214 = load { ptr, i64, i64 }, ptr %a211
+ok3253:
+  %t214 = getelementptr inbounds %S.gen.Gen, ptr %t212, i32 0, i32 0
   %t215 = load ptr, ptr %a1
   %t216 = icmp eq ptr %t215, null
-  br i1 %t216, label %panic3075, label %ok3076
-panic3075:
-  call void @finch_panic(ptr @.str.1993, i64 1208, ptr @.str.1994)
+  br i1 %t216, label %panic3254, label %ok3255
+panic3254:
+  call void @finch_panic(ptr @.str.2057, i64 1347, ptr @.str.2058)
   unreachable
-ok3076:
-  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 1
-  %t218 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+ok3255:
+  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 13
+  %t218 = getelementptr inbounds %S.gen.FnSig, ptr %t217, i32 0, i32 16
   %t219 = load i64, ptr %t218
-  %t220 = load { ptr, i64, i64 }, ptr %t217
+  %t220 = load { ptr, i64, i64 }, ptr %t214
   %t221 = extractvalue { ptr, i64, i64 } %t220, 1
   %t222 = icmp uge i64 %t219, %t221
-  br i1 %t222, label %range3077, label %inrange3078
-range3077:
-  call void @finch_panic_index(ptr @.str.1995, i64 1208, i64 %t219, i64 %t221)
+  br i1 %t222, label %range3256, label %inrange3257
+range3256:
+  call void @finch_panic_index(ptr @.str.2059, i64 1347, i64 %t219, i64 %t221)
   unreachable
-inrange3078:
+inrange3257:
   %t223 = extractvalue { ptr, i64, i64 } %t220, 0
-  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i64 %t219
-  %t225 = load { ptr, i64, i64 }, ptr %t224
-  store { ptr, i64, i64 } %t214, ptr %a227
-  store { ptr, i64, i64 } %t225, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  store { ptr, i64, i64 } %t229, ptr %a231
-  store { ptr, i64, i64 } { ptr @.str.1996, i64 1, i64 0 }, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  %t234 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t235 = load i64, ptr %t234
-  call void @finch_str_from_int(ptr %a236, i64 %t235)
-  %t237 = load { ptr, i64, i64 }, ptr %a236
-  store { ptr, i64, i64 } %t233, ptr %a239
-  store { ptr, i64, i64 } %t237, ptr %a240
-  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
-  %t241 = load { ptr, i64, i64 }, ptr %a238
-  store { ptr, i64, i64 } %t241, ptr %a243
-  store { ptr, i64, i64 } { ptr @.str.1997, i64 1, i64 0 }, ptr %a244
-  call void @finch_str_concat(ptr %a242, ptr %a243, ptr %a244)
-  %t245 = load { ptr, i64, i64 }, ptr %a242
-  %t246 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t247 = load i64, ptr %t246
-  call void @finch_str_from_int(ptr %a248, i64 %t247)
-  %t249 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t245, ptr %a251
-  store { ptr, i64, i64 } %t249, ptr %a252
+  %t224 = getelementptr inbounds %S.ast.Program, ptr %t223, i64 %t219
+  %t225 = getelementptr inbounds %S.ast.Program, ptr %t224, i32 0, i32 8
+  %t226 = load ptr, ptr %a1
+  %t227 = icmp eq ptr %t226, null
+  br i1 %t227, label %panic3258, label %ok3259
+panic3258:
+  call void @finch_panic(ptr @.str.2060, i64 1347, ptr @.str.2061)
+  unreachable
+ok3259:
+  %t228 = getelementptr inbounds %S.gen.Gen, ptr %t226, i32 0, i32 13
+  %t229 = getelementptr inbounds %S.gen.FnSig, ptr %t228, i32 0, i32 17
+  %t230 = load i64, ptr %t229
+  %t231 = load { ptr, i64, i64 }, ptr %t225
+  %t232 = extractvalue { ptr, i64, i64 } %t231, 1
+  %t233 = icmp uge i64 %t230, %t232
+  br i1 %t233, label %range3260, label %inrange3261
+range3260:
+  call void @finch_panic_index(ptr @.str.2062, i64 1347, i64 %t230, i64 %t232)
+  unreachable
+inrange3261:
+  %t234 = extractvalue { ptr, i64, i64 } %t231, 0
+  %t235 = getelementptr inbounds %S.ast.Node, ptr %t234, i64 %t230
+  %t236 = load %S.ast.Node, ptr %t235
+  store %S.ast.Node %t236, ptr %a237
+  call void @finch.copy.S_ast_Node(ptr %a238, ptr %a237)
+  %t239 = load %S.ast.Node, ptr %a238
+  store %S.ast.Node %t239, ptr %a240
+  %t241 = load ptr, ptr %a1
+  %t242 = icmp eq ptr %t241, null
+  br i1 %t242, label %panic3262, label %ok3263
+panic3262:
+  call void @finch_panic(ptr @.str.2063, i64 1348, ptr @.str.2064)
+  unreachable
+ok3263:
+  %t243 = getelementptr inbounds %S.gen.Gen, ptr %t241, i32 0, i32 28
+  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
+  %t245 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2065, i64 3, i64 0 }, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  %t249 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t249, ptr %a251
+  store { ptr, i64, i64 } { ptr @.str.2066, i64 1, i64 0 }, ptr %a252
   call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
-  %t253 = load { ptr, i64, i64 }, ptr %a250
-  store { ptr, i64, i64 } %t253, ptr %a255
-  store { ptr, i64, i64 } { ptr @.str.1998, i64 1, i64 0 }, ptr %a256
-  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
-  %t257 = load { ptr, i64, i64 }, ptr %a254
-  %t258 = load ptr, ptr %a1
-  %t259 = icmp eq ptr %t258, null
-  br i1 %t259, label %panic3079, label %ok3080
-panic3079:
-  call void @finch_panic(ptr @.str.1999, i64 1208, ptr @.str.2000)
+  store { ptr, i64, i64 } %t249, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a250
+  %t255 = load %S.ast.Type, ptr %a4
+  %t256 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t255)
+  store { ptr, i64, i64 } %t254, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t254, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } %t262, ptr %a264
+  store { ptr, i64, i64 } { ptr @.str.2067, i64 1, i64 0 }, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  store { ptr, i64, i64 } %t262, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  %t268 = load ptr, ptr %a1
+  %t269 = icmp eq ptr %t268, null
+  br i1 %t269, label %panic3264, label %ok3265
+panic3264:
+  call void @finch_panic(ptr @.str.2068, i64 1348, ptr @.str.2069)
   unreachable
-ok3080:
-  %t260 = getelementptr inbounds %S.gen.Gen, ptr %t258, i32 0, i32 1
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a191, i32 0, i32 13
-  %t262 = load i64, ptr %t261
-  %t263 = load { ptr, i64, i64 }, ptr %t260
-  %t264 = extractvalue { ptr, i64, i64 } %t263, 1
-  %t265 = icmp uge i64 %t262, %t264
-  br i1 %t265, label %range3081, label %inrange3082
-range3081:
-  call void @finch_panic_index(ptr @.str.2001, i64 1208, i64 %t262, i64 %t264)
+ok3265:
+  %t270 = getelementptr inbounds %S.gen.Gen, ptr %t268, i32 0, i32 1
+  %t271 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t272 = load i64, ptr %t271
+  %t273 = load { ptr, i64, i64 }, ptr %t270
+  %t274 = extractvalue { ptr, i64, i64 } %t273, 1
+  %t275 = icmp uge i64 %t272, %t274
+  br i1 %t275, label %range3266, label %inrange3267
+range3266:
+  call void @finch_panic_index(ptr @.str.2070, i64 1348, i64 %t272, i64 %t274)
   unreachable
-inrange3082:
-  %t266 = extractvalue { ptr, i64, i64 } %t263, 0
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t266, i64 %t262
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  store { ptr, i64, i64 } %t257, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } %t272, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.2002, i64 1, i64 0 }, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  %t277 = getelementptr inbounds %S.ast.Node, ptr %a191, i32 0, i32 11
-  %t278 = load i64, ptr %t277
-  call void @finch_str_from_int(ptr %a279, i64 %t278)
-  %t280 = load { ptr, i64, i64 }, ptr %a279
-  store { ptr, i64, i64 } %t276, ptr %a282
-  store { ptr, i64, i64 } %t280, ptr %a283
-  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
-  %t284 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t284, ptr %a286
-  store { ptr, i64, i64 } { ptr @.str.2003, i64 1, i64 0 }, ptr %a287
-  call void @finch_str_concat(ptr %a285, ptr %a286, ptr %a287)
-  %t288 = load { ptr, i64, i64 }, ptr %a285
-  %t289 = getelementptr inbounds %S.ast.Node, ptr %a191, i32 0, i32 14
+inrange3267:
+  %t276 = extractvalue { ptr, i64, i64 } %t273, 0
+  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %t276, i64 %t272
+  %t278 = load { ptr, i64, i64 }, ptr %t277
+  store { ptr, i64, i64 } %t267, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t267, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.2071, i64 1, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
   %t290 = load i64, ptr %t289
   call void @finch_str_from_int(ptr %a291, i64 %t290)
   %t292 = load { ptr, i64, i64 }, ptr %a291
   store { ptr, i64, i64 } %t288, ptr %a294
   store { ptr, i64, i64 } %t292, ptr %a295
   call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
-  %t296 = load { ptr, i64, i64 }, ptr %a293
-  %t297 = load i64, ptr %t195
-  %t298 = add i64 %t297, 1
-  call void @finch_arr_reserve(ptr %t194, i64 %t298, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t299 = load ptr, ptr %t194
-  %t300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t299, i64 %t297
-  store { ptr, i64, i64 } %t296, ptr %t300
-  store i64 %t298, ptr %t195
-  %t301 = load ptr, ptr %a1
-  %t302 = load %S.ast.Node, ptr %a2
-  %t303 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t304 = load i64, ptr %t303
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t306 = load i64, ptr %t305
-  %t307 = load %S.ast.Type, ptr %a4
-  %t308 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t307)
-  store { ptr, i64, i64 } { ptr @.str.2004, i64 9, i64 0 }, ptr %a310
-  store { ptr, i64, i64 } %t308, ptr %a311
-  call void @finch_str_concat(ptr %a309, ptr %a310, ptr %a311)
-  %t312 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } %t312, ptr %a314
-  store { ptr, i64, i64 } { ptr @.str.2005, i64 1, i64 0 }, ptr %a315
-  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  %t317 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t316, ptr %a319
-  store { ptr, i64, i64 } %t317, ptr %a320
-  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
-  %t321 = load { ptr, i64, i64 }, ptr %a318
-  store { ptr, i64, i64 } %t321, ptr %a323
-  store { ptr, i64, i64 } { ptr @.str.2006, i64 4, i64 0 }, ptr %a324
-  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
-  %t325 = load { ptr, i64, i64 }, ptr %a322
-  call void @finch.gen.noteRef(ptr %t301, %S.ast.Node %t302, i64 %t304, i64 %t306, { ptr, i64, i64 } %t325, { ptr, i64, i64 } { ptr @.str.2007, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif3062
-endif3062:
-  %t326 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t326, ptr %a327
-  call void @finch_str_copy(ptr %a328, ptr %a327)
-  %t329 = load { ptr, i64, i64 }, ptr %a328
-  ret { ptr, i64, i64 } %t329
+  store { ptr, i64, i64 } %t288, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  store { ptr, i64, i64 } %t292, ptr %a297
+  call void @finch_str_drop(ptr %a297)
+  %t298 = load { ptr, i64, i64 }, ptr %a293
+  store { ptr, i64, i64 } %t298, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.2072, i64 1, i64 0 }, ptr %a301
+  call void @finch_str_concat(ptr %a299, ptr %a300, ptr %a301)
+  store { ptr, i64, i64 } %t298, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  %t303 = load { ptr, i64, i64 }, ptr %a299
+  %t304 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t305 = load i64, ptr %t304
+  call void @finch_str_from_int(ptr %a306, i64 %t305)
+  %t307 = load { ptr, i64, i64 }, ptr %a306
+  store { ptr, i64, i64 } %t303, ptr %a309
+  store { ptr, i64, i64 } %t307, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t303, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  store { ptr, i64, i64 } %t307, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  %t313 = load { ptr, i64, i64 }, ptr %a308
+  store { ptr, i64, i64 } %t313, ptr %a315
+  store { ptr, i64, i64 } { ptr @.str.2073, i64 1, i64 0 }, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t313, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a314
+  %t319 = load ptr, ptr %a1
+  %t320 = icmp eq ptr %t319, null
+  br i1 %t320, label %panic3268, label %ok3269
+panic3268:
+  call void @finch_panic(ptr @.str.2074, i64 1348, ptr @.str.2075)
+  unreachable
+ok3269:
+  %t321 = getelementptr inbounds %S.gen.Gen, ptr %t319, i32 0, i32 1
+  %t322 = getelementptr inbounds %S.ast.Node, ptr %a240, i32 0, i32 13
+  %t323 = load i64, ptr %t322
+  %t324 = load { ptr, i64, i64 }, ptr %t321
+  %t325 = extractvalue { ptr, i64, i64 } %t324, 1
+  %t326 = icmp uge i64 %t323, %t325
+  br i1 %t326, label %range3270, label %inrange3271
+range3270:
+  call void @finch_panic_index(ptr @.str.2076, i64 1348, i64 %t323, i64 %t325)
+  unreachable
+inrange3271:
+  %t327 = extractvalue { ptr, i64, i64 } %t324, 0
+  %t328 = getelementptr inbounds { ptr, i64, i64 }, ptr %t327, i64 %t323
+  %t329 = load { ptr, i64, i64 }, ptr %t328
+  store { ptr, i64, i64 } %t318, ptr %a331
+  store { ptr, i64, i64 } %t329, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  store { ptr, i64, i64 } %t318, ptr %a333
+  call void @finch_str_drop(ptr %a333)
+  %t334 = load { ptr, i64, i64 }, ptr %a330
+  store { ptr, i64, i64 } %t334, ptr %a336
+  store { ptr, i64, i64 } { ptr @.str.2077, i64 1, i64 0 }, ptr %a337
+  call void @finch_str_concat(ptr %a335, ptr %a336, ptr %a337)
+  store { ptr, i64, i64 } %t334, ptr %a338
+  call void @finch_str_drop(ptr %a338)
+  %t339 = load { ptr, i64, i64 }, ptr %a335
+  %t340 = getelementptr inbounds %S.ast.Node, ptr %a240, i32 0, i32 11
+  %t341 = load i64, ptr %t340
+  call void @finch_str_from_int(ptr %a342, i64 %t341)
+  %t343 = load { ptr, i64, i64 }, ptr %a342
+  store { ptr, i64, i64 } %t339, ptr %a345
+  store { ptr, i64, i64 } %t343, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t339, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  store { ptr, i64, i64 } %t343, ptr %a348
+  call void @finch_str_drop(ptr %a348)
+  %t349 = load { ptr, i64, i64 }, ptr %a344
+  store { ptr, i64, i64 } %t349, ptr %a351
+  store { ptr, i64, i64 } { ptr @.str.2078, i64 1, i64 0 }, ptr %a352
+  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
+  store { ptr, i64, i64 } %t349, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  %t354 = load { ptr, i64, i64 }, ptr %a350
+  %t355 = getelementptr inbounds %S.ast.Node, ptr %a240, i32 0, i32 14
+  %t356 = load i64, ptr %t355
+  call void @finch_str_from_int(ptr %a357, i64 %t356)
+  %t358 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t354, ptr %a360
+  store { ptr, i64, i64 } %t358, ptr %a361
+  call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
+  store { ptr, i64, i64 } %t354, ptr %a362
+  call void @finch_str_drop(ptr %a362)
+  store { ptr, i64, i64 } %t358, ptr %a363
+  call void @finch_str_drop(ptr %a363)
+  %t364 = load { ptr, i64, i64 }, ptr %a359
+  %t365 = load i64, ptr %t244
+  %t366 = add i64 %t365, 1
+  call void @finch_arr_reserve(ptr %t243, i64 %t366, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t367 = load ptr, ptr %t243
+  %t368 = getelementptr inbounds { ptr, i64, i64 }, ptr %t367, i64 %t365
+  store { ptr, i64, i64 } %t364, ptr %t368
+  store i64 %t366, ptr %t244
+  %t369 = load ptr, ptr %a1
+  %t370 = load %S.ast.Node, ptr %a2
+  %t371 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t372 = load i64, ptr %t371
+  %t373 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t374 = load i64, ptr %t373
+  %t375 = load %S.ast.Type, ptr %a4
+  %t376 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t375)
+  store { ptr, i64, i64 } { ptr @.str.2079, i64 9, i64 0 }, ptr %a378
+  store { ptr, i64, i64 } %t376, ptr %a379
+  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
+  store { ptr, i64, i64 } %t376, ptr %a380
+  call void @finch_str_drop(ptr %a380)
+  %t381 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t381, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.2080, i64 1, i64 0 }, ptr %a384
+  call void @finch_str_concat(ptr %a382, ptr %a383, ptr %a384)
+  store { ptr, i64, i64 } %t381, ptr %a385
+  call void @finch_str_drop(ptr %a385)
+  %t386 = load { ptr, i64, i64 }, ptr %a382
+  %t387 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t386, ptr %a389
+  store { ptr, i64, i64 } %t387, ptr %a390
+  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t386, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = load { ptr, i64, i64 }, ptr %a388
+  store { ptr, i64, i64 } %t392, ptr %a394
+  store { ptr, i64, i64 } { ptr @.str.2081, i64 4, i64 0 }, ptr %a395
+  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
+  store { ptr, i64, i64 } %t392, ptr %a396
+  call void @finch_str_drop(ptr %a396)
+  %t397 = load { ptr, i64, i64 }, ptr %a393
+  call void @finch.gen.noteRef(ptr %t369, %S.ast.Node %t370, i64 %t372, i64 %t374, { ptr, i64, i64 } %t397, { ptr, i64, i64 } { ptr @.str.2082, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t397, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  call void @finch.drop.S_ast_Node(ptr %a240)
+  br label %endif3251
+endif3251:
+  %t399 = load { ptr, i64, i64 }, ptr %a73
+  ret { ptr, i64, i64 } %t399
 }
 
 define internal void @finch.gen.pushScope(ptr %p0) {
@@ -30865,11 +36222,11 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3083, label %ok3084
-panic3083:
-  call void @finch_panic(ptr @.str.2008, i64 1215, ptr @.str.2009)
+  br i1 %t3, label %panic3272, label %ok3273
+panic3272:
+  call void @finch_panic(ptr @.str.2083, i64 1355, ptr @.str.2084)
   unreachable
-ok3084:
+ok3273:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 10
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
   %t6 = load i64, ptr %t5
@@ -30882,240 +36239,413 @@ ok3084:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Var(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Var, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Var(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond3285
+n.cond3285:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body3286, label %n.end3287
+n.body3286:
+  %t7 = getelementptr inbounds %S.gen.Var, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Var(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond3285
+n.end3287:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Cleanup(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Scope(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_gen_Var(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_ast_Node(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_int(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Scope, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_S_gen_Cleanup(ptr %t4)
+  ret void
+}
+
 define internal void @finch.gen.popScope(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
+  %a24 = alloca %S.gen.Scope, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3085, label %ok3086
-panic3085:
-  call void @finch_panic(ptr @.str.2010, i64 1219, ptr @.str.2011)
+  br i1 %t3, label %panic3274, label %ok3275
+panic3274:
+  call void @finch_panic(ptr @.str.2085, i64 1361, ptr @.str.2086)
   unreachable
-ok3086:
-  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 10
-  %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
-  %t6 = load i64, ptr %t5
-  %t7 = icmp eq i64 %t6, 0
-  br i1 %t7, label %panic3087, label %ok3088
-panic3087:
-  call void @finch_panic(ptr @.str.2012, i64 1219, ptr @.str.2013)
+ok3275:
+  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 9
+  %t5 = load i1, ptr %t4
+  %t6 = xor i1 %t5, true
+  br i1 %t6, label %then3276, label %endif3278
+then3276:
+  %t7 = load ptr, ptr %a1
+  %t8 = load ptr, ptr %a1
+  %t9 = icmp eq ptr %t8, null
+  br i1 %t9, label %panic3279, label %ok3280
+panic3279:
+  call void @finch_panic(ptr @.str.2087, i64 1362, ptr @.str.2088)
   unreachable
-ok3088:
-  %t8 = sub i64 %t6, 1
-  %t9 = load ptr, ptr %t4
-  %t10 = getelementptr inbounds %S.gen.Scope, ptr %t9, i64 %t8
-  %t11 = load %S.gen.Scope, ptr %t10
-  store i64 %t8, ptr %t5
+ok3280:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
+  %t12 = load i64, ptr %t11
+  %t13 = sub i64 %t12, 1
+  call void @finch.gen.runCleanups(ptr %t7, i64 %t13)
+  br label %endif3278
+endif3278:
+  %t14 = load ptr, ptr %a1
+  %t15 = icmp eq ptr %t14, null
+  br i1 %t15, label %panic3281, label %ok3282
+panic3281:
+  call void @finch_panic(ptr @.str.2089, i64 1364, ptr @.str.2090)
+  unreachable
+ok3282:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 10
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  %t19 = icmp eq i64 %t18, 0
+  br i1 %t19, label %panic3283, label %ok3284
+panic3283:
+  call void @finch_panic(ptr @.str.2091, i64 1364, ptr @.str.2092)
+  unreachable
+ok3284:
+  %t20 = sub i64 %t18, 1
+  %t21 = load ptr, ptr %t16
+  %t22 = getelementptr inbounds %S.gen.Scope, ptr %t21, i64 %t20
+  %t23 = load %S.gen.Scope, ptr %t22
+  store i64 %t20, ptr %t17
+  store %S.gen.Scope %t23, ptr %a24
+  call void @finch.drop.S_gen_Scope(ptr %a24)
   ret void
 }
 
-define internal void @finch.copy.arr_S_gen_Var(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond3093
-n.cond3093:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body3094, label %n.end3095
-n.body3094:
-  %t8 = getelementptr inbounds %S.gen.Var, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.gen.Var, ptr %t2, i64 %t6
-  call void @finch.copy.S_gen_Var(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond3093
-n.end3095:
-  ret void
-}
-
-define internal void @finch.copy.S_gen_Scope(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Scope, ptr %src
-  store %S.gen.Scope %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 0
-  call void @finch.copy.arr_S_gen_Var(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_S_ast_Node(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 2
-  call void @finch.copy.arr_int(ptr %t6, ptr %t7)
-  ret void
-}
-
-define internal void @finch.gen.runDefers(ptr %p0, i64 %p1) {
+define internal void @finch.gen.runCleanups(ptr %p0, i64 %p1) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca i64, align 16
-  %a13 = alloca %S.gen.Scope, align 16
-  %a14 = alloca %S.gen.Scope, align 16
-  %a16 = alloca %S.gen.Scope, align 16
-  %a20 = alloca i64, align 16
-  %a29 = alloca i1, align 16
-  %a34 = alloca i64, align 16
+  %a15 = alloca i64, align 16
+  %a37 = alloca %S.gen.Cleanup, align 16
+  %a59 = alloca %S.gen.Var, align 16
+  %a60 = alloca %S.gen.Var, align 16
+  %a62 = alloca %S.gen.Var, align 16
+  %a75 = alloca i1, align 16
+  %a80 = alloca i64, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3089, label %ok3090
-panic3089:
-  call void @finch_panic(ptr @.str.2014, i64 1224, ptr @.str.2015)
+  br i1 %t4, label %panic3288, label %ok3289
+panic3288:
+  call void @finch_panic(ptr @.str.2093, i64 1369, ptr @.str.2094)
   unreachable
-ok3090:
+ok3289:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = load i64, ptr %a2
   %t7 = load { ptr, i64, i64 }, ptr %t5
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 %t6, %t8
-  br i1 %t9, label %range3091, label %inrange3092
-range3091:
-  call void @finch_panic_index(ptr @.str.2016, i64 1224, i64 %t6, i64 %t8)
+  br i1 %t9, label %range3290, label %inrange3291
+range3290:
+  call void @finch_panic_index(ptr @.str.2095, i64 1369, i64 %t6, i64 %t8)
   unreachable
-inrange3092:
+inrange3291:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.gen.Scope, ptr %t10, i64 %t6
-  %t12 = load %S.gen.Scope, ptr %t11
-  store %S.gen.Scope %t12, ptr %a13
-  call void @finch.copy.S_gen_Scope(ptr %a14, ptr %a13)
-  %t15 = load %S.gen.Scope, ptr %a14
-  store %S.gen.Scope %t15, ptr %a16
-  %t17 = getelementptr inbounds %S.gen.Scope, ptr %a16, i32 0, i32 1
-  %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
-  %t19 = load i64, ptr %t18
-  store i64 %t19, ptr %a20
-  br label %while.cond3096
-while.cond3096:
-  %t21 = load i64, ptr %a20
-  %t22 = icmp sgt i64 %t21, 0
-  br i1 %t22, label %while.body3097, label %while.end3098
-while.body3097:
-  %t23 = load i64, ptr %a20
-  %t24 = sub i64 %t23, 1
-  store i64 %t24, ptr %a20
-  %t25 = load ptr, ptr %a1
-  %t26 = icmp eq ptr %t25, null
-  br i1 %t26, label %panic3099, label %ok3100
-panic3099:
-  call void @finch_panic(ptr @.str.2017, i64 1228, ptr @.str.2018)
+  %t12 = getelementptr inbounds %S.gen.Scope, ptr %t11, i32 0, i32 3
+  %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
+  %t14 = load i64, ptr %t13
+  store i64 %t14, ptr %a15
+  br label %while.cond3292
+while.cond3292:
+  %t16 = load i64, ptr %a15
+  %t17 = icmp sgt i64 %t16, 0
+  br i1 %t17, label %while.body3293, label %while.end3294
+while.body3293:
+  %t18 = load i64, ptr %a15
+  %t19 = sub i64 %t18, 1
+  store i64 %t19, ptr %a15
+  %t20 = load ptr, ptr %a1
+  %t21 = icmp eq ptr %t20, null
+  br i1 %t21, label %panic3295, label %ok3296
+panic3295:
+  call void @finch_panic(ptr @.str.2096, i64 1372, ptr @.str.2097)
   unreachable
-ok3100:
-  %t27 = getelementptr inbounds %S.gen.Gen, ptr %t25, i32 0, i32 42
-  %t28 = load i1, ptr %t27
-  store i1 %t28, ptr %a29
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic3101, label %ok3102
-panic3101:
-  call void @finch_panic(ptr @.str.2019, i64 1229, ptr @.str.2020)
+ok3296:
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 10
+  %t23 = load i64, ptr %a2
+  %t24 = load { ptr, i64, i64 }, ptr %t22
+  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
+  %t26 = icmp uge i64 %t23, %t25
+  br i1 %t26, label %range3297, label %inrange3298
+range3297:
+  call void @finch_panic_index(ptr @.str.2098, i64 1372, i64 %t23, i64 %t25)
   unreachable
-ok3102:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 43
-  %t33 = load i64, ptr %t32
-  store i64 %t33, ptr %a34
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic3103, label %ok3104
-panic3103:
-  call void @finch_panic(ptr @.str.2021, i64 1230, ptr @.str.2022)
+inrange3298:
+  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
+  %t28 = getelementptr inbounds %S.gen.Scope, ptr %t27, i64 %t23
+  %t29 = getelementptr inbounds %S.gen.Scope, ptr %t28, i32 0, i32 3
+  %t30 = load i64, ptr %a15
+  %t31 = load { ptr, i64, i64 }, ptr %t29
+  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
+  %t33 = icmp uge i64 %t30, %t32
+  br i1 %t33, label %range3299, label %inrange3300
+range3299:
+  call void @finch_panic_index(ptr @.str.2099, i64 1372, i64 %t30, i64 %t32)
   unreachable
-ok3104:
-  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 42
-  store i1 true, ptr %t37
-  %t38 = getelementptr inbounds %S.gen.Scope, ptr %a16, i32 0, i32 2
-  %t39 = load i64, ptr %a20
-  %t40 = load { ptr, i64, i64 }, ptr %t38
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = icmp uge i64 %t39, %t41
-  br i1 %t42, label %range3105, label %inrange3106
-range3105:
-  call void @finch_panic_index(ptr @.str.2023, i64 1231, i64 %t39, i64 %t41)
+inrange3300:
+  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
+  %t35 = getelementptr inbounds %S.gen.Cleanup, ptr %t34, i64 %t30
+  %t36 = load %S.gen.Cleanup, ptr %t35
+  store %S.gen.Cleanup %t36, ptr %a37
+  %t38 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 0
+  %t39 = load i1, ptr %t38
+  %t40 = xor i1 %t39, true
+  br i1 %t40, label %then3301, label %endif3303
+then3301:
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic3304, label %ok3305
+panic3304:
+  call void @finch_panic(ptr @.str.2100, i64 1374, ptr @.str.2101)
   unreachable
-inrange3106:
-  %t43 = extractvalue { ptr, i64, i64 } %t40, 0
-  %t44 = getelementptr inbounds i64, ptr %t43, i64 %t39
-  %t45 = load i64, ptr %t44
-  %t46 = load ptr, ptr %a1
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic3107, label %ok3108
-panic3107:
-  call void @finch_panic(ptr @.str.2024, i64 1231, ptr @.str.2025)
+ok3305:
+  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 10
+  %t44 = load i64, ptr %a2
+  %t45 = load { ptr, i64, i64 }, ptr %t43
+  %t46 = extractvalue { ptr, i64, i64 } %t45, 1
+  %t47 = icmp uge i64 %t44, %t46
+  br i1 %t47, label %range3306, label %inrange3307
+range3306:
+  call void @finch_panic_index(ptr @.str.2102, i64 1374, i64 %t44, i64 %t46)
   unreachable
-ok3108:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 43
-  store i64 %t45, ptr %t48
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic3109, label %ok3110
-panic3109:
-  call void @finch_panic(ptr @.str.2026, i64 1232, ptr @.str.2027)
-  unreachable
-ok3110:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 44
+inrange3307:
+  %t48 = extractvalue { ptr, i64, i64 } %t45, 0
+  %t49 = getelementptr inbounds %S.gen.Scope, ptr %t48, i64 %t44
+  %t50 = getelementptr inbounds %S.gen.Scope, ptr %t49, i32 0, i32 0
+  %t51 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 1
   %t52 = load i64, ptr %t51
-  %t53 = add i64 %t52, 1
-  store i64 %t53, ptr %t51
-  %t54 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t54)
-  %t55 = load ptr, ptr %a1
-  %t56 = getelementptr inbounds %S.gen.Scope, ptr %a16, i32 0, i32 1
-  %t57 = load i64, ptr %a20
-  %t58 = load { ptr, i64, i64 }, ptr %t56
-  %t59 = extractvalue { ptr, i64, i64 } %t58, 1
-  %t60 = icmp uge i64 %t57, %t59
-  br i1 %t60, label %range3111, label %inrange3112
-range3111:
-  call void @finch_panic_index(ptr @.str.2028, i64 1234, i64 %t57, i64 %t59)
+  %t53 = load { ptr, i64, i64 }, ptr %t50
+  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
+  %t55 = icmp uge i64 %t52, %t54
+  br i1 %t55, label %range3308, label %inrange3309
+range3308:
+  call void @finch_panic_index(ptr @.str.2103, i64 1374, i64 %t52, i64 %t54)
   unreachable
-inrange3112:
-  %t61 = extractvalue { ptr, i64, i64 } %t58, 0
-  %t62 = getelementptr inbounds %S.ast.Node, ptr %t61, i64 %t57
-  %t63 = load %S.ast.Node, ptr %t62
-  call void @finch.gen.stmt(ptr %t55, %S.ast.Node %t63)
-  %t64 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t64)
-  %t65 = load ptr, ptr %a1
-  %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic3113, label %ok3114
-panic3113:
-  call void @finch_panic(ptr @.str.2029, i64 1236, ptr @.str.2030)
-  unreachable
-ok3114:
-  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 44
-  %t68 = load i64, ptr %t67
-  %t69 = sub i64 %t68, 1
-  store i64 %t69, ptr %t67
-  %t70 = load i1, ptr %a29
+inrange3309:
+  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
+  %t57 = getelementptr inbounds %S.gen.Var, ptr %t56, i64 %t52
+  %t58 = load %S.gen.Var, ptr %t57
+  store %S.gen.Var %t58, ptr %a59
+  call void @finch.copy.S_gen_Var(ptr %a60, ptr %a59)
+  %t61 = load %S.gen.Var, ptr %a60
+  store %S.gen.Var %t61, ptr %a62
+  %t63 = getelementptr inbounds %S.gen.Var, ptr %a62, i32 0, i32 6
+  %t64 = load i1, ptr %t63
+  %t65 = xor i1 %t64, true
+  br i1 %t65, label %then3310, label %endif3312
+then3310:
+  %t66 = load ptr, ptr %a1
+  %t67 = getelementptr inbounds %S.gen.Var, ptr %a62, i32 0, i32 2
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  %t69 = getelementptr inbounds %S.gen.Var, ptr %a62, i32 0, i32 1
+  %t70 = load %S.ast.Type, ptr %t69
+  call void @finch.gen.dropAt(ptr %t66, { ptr, i64, i64 } %t68, %S.ast.Type %t70)
+  br label %endif3312
+endif3312:
+  call void @finch.drop.S_gen_Var(ptr %a62)
+  br label %while.cond3292
+endif3303:
   %t71 = load ptr, ptr %a1
   %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic3115, label %ok3116
-panic3115:
-  call void @finch_panic(ptr @.str.2031, i64 1237, ptr @.str.2032)
+  br i1 %t72, label %panic3313, label %ok3314
+panic3313:
+  call void @finch_panic(ptr @.str.2104, i64 1380, ptr @.str.2105)
   unreachable
-ok3116:
-  %t73 = getelementptr inbounds %S.gen.Gen, ptr %t71, i32 0, i32 42
-  store i1 %t70, ptr %t73
-  %t74 = load i64, ptr %a34
-  %t75 = load ptr, ptr %a1
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic3117, label %ok3118
-panic3117:
-  call void @finch_panic(ptr @.str.2033, i64 1238, ptr @.str.2034)
+ok3314:
+  %t73 = getelementptr inbounds %S.gen.Gen, ptr %t71, i32 0, i32 43
+  %t74 = load i1, ptr %t73
+  store i1 %t74, ptr %a75
+  %t76 = load ptr, ptr %a1
+  %t77 = icmp eq ptr %t76, null
+  br i1 %t77, label %panic3315, label %ok3316
+panic3315:
+  call void @finch_panic(ptr @.str.2106, i64 1381, ptr @.str.2107)
   unreachable
-ok3118:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 43
-  store i64 %t74, ptr %t77
-  br label %while.cond3096
-while.end3098:
+ok3316:
+  %t78 = getelementptr inbounds %S.gen.Gen, ptr %t76, i32 0, i32 44
+  %t79 = load i64, ptr %t78
+  store i64 %t79, ptr %a80
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic3317, label %ok3318
+panic3317:
+  call void @finch_panic(ptr @.str.2108, i64 1382, ptr @.str.2109)
+  unreachable
+ok3318:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 43
+  store i1 true, ptr %t83
+  %t84 = load ptr, ptr %a1
+  %t85 = icmp eq ptr %t84, null
+  br i1 %t85, label %panic3319, label %ok3320
+panic3319:
+  call void @finch_panic(ptr @.str.2110, i64 1383, ptr @.str.2111)
+  unreachable
+ok3320:
+  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 10
+  %t87 = load i64, ptr %a2
+  %t88 = load { ptr, i64, i64 }, ptr %t86
+  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
+  %t90 = icmp uge i64 %t87, %t89
+  br i1 %t90, label %range3321, label %inrange3322
+range3321:
+  call void @finch_panic_index(ptr @.str.2112, i64 1383, i64 %t87, i64 %t89)
+  unreachable
+inrange3322:
+  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
+  %t92 = getelementptr inbounds %S.gen.Scope, ptr %t91, i64 %t87
+  %t93 = getelementptr inbounds %S.gen.Scope, ptr %t92, i32 0, i32 2
+  %t94 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 1
+  %t95 = load i64, ptr %t94
+  %t96 = load { ptr, i64, i64 }, ptr %t93
+  %t97 = extractvalue { ptr, i64, i64 } %t96, 1
+  %t98 = icmp uge i64 %t95, %t97
+  br i1 %t98, label %range3323, label %inrange3324
+range3323:
+  call void @finch_panic_index(ptr @.str.2113, i64 1383, i64 %t95, i64 %t97)
+  unreachable
+inrange3324:
+  %t99 = extractvalue { ptr, i64, i64 } %t96, 0
+  %t100 = getelementptr inbounds i64, ptr %t99, i64 %t95
+  %t101 = load i64, ptr %t100
+  %t102 = load ptr, ptr %a1
+  %t103 = icmp eq ptr %t102, null
+  br i1 %t103, label %panic3325, label %ok3326
+panic3325:
+  call void @finch_panic(ptr @.str.2114, i64 1383, ptr @.str.2115)
+  unreachable
+ok3326:
+  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 44
+  store i64 %t101, ptr %t104
+  %t105 = load ptr, ptr %a1
+  %t106 = icmp eq ptr %t105, null
+  br i1 %t106, label %panic3327, label %ok3328
+panic3327:
+  call void @finch_panic(ptr @.str.2116, i64 1384, ptr @.str.2117)
+  unreachable
+ok3328:
+  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 45
+  %t108 = load i64, ptr %t107
+  %t109 = add i64 %t108, 1
+  store i64 %t109, ptr %t107
+  %t110 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t110)
+  %t111 = load ptr, ptr %a1
+  %t112 = load ptr, ptr %a1
+  %t113 = icmp eq ptr %t112, null
+  br i1 %t113, label %panic3329, label %ok3330
+panic3329:
+  call void @finch_panic(ptr @.str.2118, i64 1386, ptr @.str.2119)
+  unreachable
+ok3330:
+  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 10
+  %t115 = load i64, ptr %a2
+  %t116 = load { ptr, i64, i64 }, ptr %t114
+  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
+  %t118 = icmp uge i64 %t115, %t117
+  br i1 %t118, label %range3331, label %inrange3332
+range3331:
+  call void @finch_panic_index(ptr @.str.2120, i64 1386, i64 %t115, i64 %t117)
+  unreachable
+inrange3332:
+  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
+  %t120 = getelementptr inbounds %S.gen.Scope, ptr %t119, i64 %t115
+  %t121 = getelementptr inbounds %S.gen.Scope, ptr %t120, i32 0, i32 1
+  %t122 = getelementptr inbounds %S.gen.Cleanup, ptr %a37, i32 0, i32 1
+  %t123 = load i64, ptr %t122
+  %t124 = load { ptr, i64, i64 }, ptr %t121
+  %t125 = extractvalue { ptr, i64, i64 } %t124, 1
+  %t126 = icmp uge i64 %t123, %t125
+  br i1 %t126, label %range3333, label %inrange3334
+range3333:
+  call void @finch_panic_index(ptr @.str.2121, i64 1386, i64 %t123, i64 %t125)
+  unreachable
+inrange3334:
+  %t127 = extractvalue { ptr, i64, i64 } %t124, 0
+  %t128 = getelementptr inbounds %S.ast.Node, ptr %t127, i64 %t123
+  %t129 = load %S.ast.Node, ptr %t128
+  call void @finch.gen.stmt(ptr %t111, %S.ast.Node %t129)
+  %t130 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t130)
+  %t131 = load ptr, ptr %a1
+  %t132 = icmp eq ptr %t131, null
+  br i1 %t132, label %panic3335, label %ok3336
+panic3335:
+  call void @finch_panic(ptr @.str.2122, i64 1388, ptr @.str.2123)
+  unreachable
+ok3336:
+  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 45
+  %t134 = load i64, ptr %t133
+  %t135 = sub i64 %t134, 1
+  store i64 %t135, ptr %t133
+  %t136 = load i1, ptr %a75
+  %t137 = load ptr, ptr %a1
+  %t138 = icmp eq ptr %t137, null
+  br i1 %t138, label %panic3337, label %ok3338
+panic3337:
+  call void @finch_panic(ptr @.str.2124, i64 1389, ptr @.str.2125)
+  unreachable
+ok3338:
+  %t139 = getelementptr inbounds %S.gen.Gen, ptr %t137, i32 0, i32 43
+  store i1 %t136, ptr %t139
+  %t140 = load i64, ptr %a80
+  %t141 = load ptr, ptr %a1
+  %t142 = icmp eq ptr %t141, null
+  br i1 %t142, label %panic3339, label %ok3340
+panic3339:
+  call void @finch_panic(ptr @.str.2126, i64 1390, ptr @.str.2127)
+  unreachable
+ok3340:
+  %t143 = getelementptr inbounds %S.gen.Gen, ptr %t141, i32 0, i32 44
+  store i64 %t140, ptr %t143
+  br label %while.cond3292
+while.end3294:
   ret void
 }
 
@@ -31128,30 +36658,30 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3119, label %ok3120
-panic3119:
-  call void @finch_panic(ptr @.str.2035, i64 1244, ptr @.str.2036)
+  br i1 %t4, label %panic3341, label %ok3342
+panic3341:
+  call void @finch_panic(ptr @.str.2128, i64 1396, ptr @.str.2129)
   unreachable
-ok3120:
+ok3342:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 10
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 %t7, ptr %a8
-  br label %while.cond3121
-while.cond3121:
+  br label %while.cond3343
+while.cond3343:
   %t9 = load i64, ptr %a8
   %t10 = load i64, ptr %a2
   %t11 = icmp sgt i64 %t9, %t10
-  br i1 %t11, label %while.body3122, label %while.end3123
-while.body3122:
+  br i1 %t11, label %while.body3344, label %while.end3345
+while.body3344:
   %t12 = load i64, ptr %a8
   %t13 = sub i64 %t12, 1
   store i64 %t13, ptr %a8
   %t14 = load ptr, ptr %a1
   %t15 = load i64, ptr %a8
-  call void @finch.gen.runDefers(ptr %t14, i64 %t15)
-  br label %while.cond3121
-while.end3123:
+  call void @finch.gen.runCleanups(ptr %t14, i64 %t15)
+  br label %while.cond3343
+while.end3345:
   ret void
 }
 
@@ -31160,53 +36690,7 @@ entry:
   %a1 = alloca ptr, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3124, label %ok3125
-panic3124:
-  call void @finch_panic(ptr @.str.2037, i64 1253, ptr @.str.2038)
-  unreachable
-ok3125:
-  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 9
-  %t5 = load i1, ptr %t4
-  %t6 = xor i1 %t5, true
-  br i1 %t6, label %then3126, label %endif3128
-then3126:
-  %t7 = load ptr, ptr %a1
-  %t8 = load ptr, ptr %a1
-  %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic3129, label %ok3130
-panic3129:
-  call void @finch_panic(ptr @.str.2039, i64 1254, ptr @.str.2040)
-  unreachable
-ok3130:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 10
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
-  %t12 = load i64, ptr %t11
-  %t13 = sub i64 %t12, 1
-  call void @finch.gen.runDefers(ptr %t7, i64 %t13)
-  br label %endif3128
-endif3128:
-  %t14 = load ptr, ptr %a1
-  %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic3131, label %ok3132
-panic3131:
-  call void @finch_panic(ptr @.str.2041, i64 1256, ptr @.str.2042)
-  unreachable
-ok3132:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 10
-  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i32 0, i32 1
-  %t18 = load i64, ptr %t17
-  %t19 = icmp eq i64 %t18, 0
-  br i1 %t19, label %panic3133, label %ok3134
-panic3133:
-  call void @finch_panic(ptr @.str.2043, i64 1256, ptr @.str.2044)
-  unreachable
-ok3134:
-  %t20 = sub i64 %t18, 1
-  %t21 = load ptr, ptr %t16
-  %t22 = getelementptr inbounds %S.gen.Scope, ptr %t21, i64 %t20
-  %t23 = load %S.gen.Scope, ptr %t22
-  store i64 %t20, ptr %t17
+  call void @finch.gen.popScope(ptr %t2)
   ret void
 }
 
@@ -31225,57 +36709,57 @@ entry:
   %t2 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.2045, i64 3, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.2130, i64 3, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then3135, label %endif3137
-then3135:
+  br i1 %t7, label %then3346, label %endif3348
+then3346:
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 1
   %t9 = load { ptr, i64, i64 }, ptr %t8
   store { ptr, i64, i64 } %t9, ptr %a10
   call void @finch_str_copy(ptr %a11, ptr %a10)
   %t12 = load { ptr, i64, i64 }, ptr %a11
   ret { ptr, i64, i64 } %t12
-endif3137:
+endif3348:
   %t13 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t14 = load { ptr, i64, i64 }, ptr %t13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.2046, i64 6, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.2131, i64 6, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.from3138
-logic.from3138:
-  br i1 %t18, label %logic.end3140, label %logic.rhs3139
-logic.rhs3139:
+  br label %logic.from3349
+logic.from3349:
+  br i1 %t18, label %logic.end3351, label %logic.rhs3350
+logic.rhs3350:
   %t19 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t20 = load { ptr, i64, i64 }, ptr %t19
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.2047, i64 5, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2132, i64 5, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend3141
-logic.rend3141:
-  br label %logic.end3140
-logic.end3140:
-  %t25 = phi i1 [ true, %logic.from3138 ], [ %t24, %logic.rend3141 ]
-  br i1 %t25, label %then3142, label %endif3144
-then3142:
+  br label %logic.rend3352
+logic.rend3352:
+  br label %logic.end3351
+logic.end3351:
+  %t25 = phi i1 [ true, %logic.from3349 ], [ %t24, %logic.rend3352 ]
+  br i1 %t25, label %then3353, label %endif3355
+then3353:
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 9
   %t27 = load { ptr, i64, i64 }, ptr %t26
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 0, %t28
-  br i1 %t29, label %range3145, label %inrange3146
-range3145:
-  call void @finch_panic_index(ptr @.str.2048, i64 1266, i64 0, i64 %t28)
+  br i1 %t29, label %range3356, label %inrange3357
+range3356:
+  call void @finch_panic_index(ptr @.str.2133, i64 1414, i64 0, i64 %t28)
   unreachable
-inrange3146:
+inrange3357:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.ast.Node, ptr %t30, i64 0
   %t32 = load %S.ast.Node, ptr %t31
   %t33 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t32)
   ret { ptr, i64, i64 } %t33
-endif3144:
-  ret { ptr, i64, i64 } { ptr @.str.2049, i64 0, i64 0 }
+endif3355:
+  ret { ptr, i64, i64 } { ptr @.str.2134, i64 0, i64 0 }
 }
 
 define internal i1 @finch.gen.mutates(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Node %p2) {
@@ -31288,47 +36772,50 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i64, align 16
-  %a50 = alloca i64, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca i64, align 16
+  %a51 = alloca i64, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca i64, align 16
-  %a71 = alloca i64, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca i64, align 16
+  %a72 = alloca i64, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca i64, align 16
-  %a140 = alloca %S.ast.Node, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca i64, align 16
+  %a143 = alloca %S.ast.Node, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = mul i64 8, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t5 = call ptr @finch_alloc(i64 %t4)
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 0
-  store { ptr, i64, i64 } { ptr @.str.2050, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.2135, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 1
-  store { ptr, i64, i64 } { ptr @.str.2051, i64 3, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.2136, i64 3, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 2
-  store { ptr, i64, i64 } { ptr @.str.2052, i64 6, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.2137, i64 6, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 3
-  store { ptr, i64, i64 } { ptr @.str.2053, i64 6, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.2138, i64 6, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 4
-  store { ptr, i64, i64 } { ptr @.str.2054, i64 5, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.2139, i64 5, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 5
-  store { ptr, i64, i64 } { ptr @.str.2055, i64 6, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.2140, i64 6, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 6
-  store { ptr, i64, i64 } { ptr @.str.2056, i64 4, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.2141, i64 4, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 7
-  store { ptr, i64, i64 } { ptr @.str.2057, i64 7, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.2142, i64 7, i64 0 }, ptr %t13
   %t14 = insertvalue { ptr, i64, i64 } undef, ptr %t5, 0
   %t15 = insertvalue { ptr, i64, i64 } %t14, i64 8, 1
   %t16 = insertvalue { ptr, i64, i64 } %t15, i64 8, 2
@@ -31336,22 +36823,22 @@ entry:
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.2058, i64 6, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.2143, i64 6, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.from3147
-logic.from3147:
-  br i1 %t23, label %logic.rhs3148, label %logic.end3149
-logic.rhs3148:
+  br label %logic.from3358
+logic.from3358:
+  br i1 %t23, label %logic.rhs3359, label %logic.end3360
+logic.rhs3359:
   %t24 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
   %t25 = load { ptr, i64, i64 }, ptr %t24
   %t26 = extractvalue { ptr, i64, i64 } %t25, 1
   %t27 = icmp uge i64 0, %t26
-  br i1 %t27, label %range3150, label %inrange3151
-range3150:
-  call void @finch_panic_index(ptr @.str.2059, i64 1273, i64 0, i64 %t26)
+  br i1 %t27, label %range3361, label %inrange3362
+range3361:
+  call void @finch_panic_index(ptr @.str.2144, i64 1421, i64 0, i64 %t26)
   unreachable
-inrange3151:
+inrange3362:
   %t28 = extractvalue { ptr, i64, i64 } %t25, 0
   %t29 = getelementptr inbounds %S.ast.Node, ptr %t28, i64 0
   %t30 = load %S.ast.Node, ptr %t29
@@ -31361,232 +36848,243 @@ inrange3151:
   store { ptr, i64, i64 } %t32, ptr %a34
   %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
   %t36 = icmp ne i32 %t35, 0
-  br label %logic.rend3152
-logic.rend3152:
-  br label %logic.end3149
-logic.end3149:
-  %t37 = phi i1 [ false, %logic.from3147 ], [ %t36, %logic.rend3152 ]
-  br i1 %t37, label %then3153, label %endif3155
-then3153:
+  store { ptr, i64, i64 } %t31, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  br label %logic.rend3363
+logic.rend3363:
+  br label %logic.end3360
+logic.end3360:
+  %t38 = phi i1 [ false, %logic.from3358 ], [ %t36, %logic.rend3363 ]
+  br i1 %t38, label %then3364, label %endif3366
+then3364:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3155:
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.2060, i64 6, i64 0 }, ptr %a41
-  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
-  %t43 = icmp ne i32 %t42, 0
-  br label %logic.from3156
-logic.from3156:
-  br i1 %t43, label %logic.rhs3157, label %logic.end3158
-logic.rhs3157:
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %a17, i32 0, i32 1
-  %t45 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
-  %t46 = load { ptr, i64, i64 }, ptr %t45
-  store i64 -1, ptr %a47
-  %t48 = load i64, ptr %t44
-  %t49 = load ptr, ptr %a17
-  store i64 0, ptr %a50
-  br label %find.cond3159
-find.cond3159:
-  %t51 = load i64, ptr %a50
-  %t52 = icmp slt i64 %t51, %t48
-  br i1 %t52, label %find.body3160, label %find.end3163
-find.body3160:
-  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t51
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } %t46, ptr %a56
-  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
-  %t58 = icmp ne i32 %t57, 0
-  br i1 %t58, label %find.hit3161, label %find.next3162
-find.hit3161:
-  store i64 %t51, ptr %a47
-  br label %find.end3163
-find.next3162:
-  %t59 = add i64 %t51, 1
-  store i64 %t59, ptr %a50
-  br label %find.cond3159
-find.end3163:
-  %t60 = load i64, ptr %a47
-  %t61 = icmp sge i64 %t60, 0
-  br label %logic.from3164
-logic.from3164:
-  br i1 %t61, label %logic.end3166, label %logic.rhs3165
-logic.rhs3165:
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic3167, label %ok3168
-panic3167:
-  call void @finch_panic(ptr @.str.2061, i64 1279, ptr @.str.2062)
+endif3366:
+  %t39 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  store { ptr, i64, i64 } %t40, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.2145, i64 6, i64 0 }, ptr %a42
+  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
+  %t44 = icmp ne i32 %t43, 0
+  br label %logic.from3367
+logic.from3367:
+  br i1 %t44, label %logic.rhs3368, label %logic.end3369
+logic.rhs3368:
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %a17, i32 0, i32 1
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
+  %t47 = load { ptr, i64, i64 }, ptr %t46
+  store i64 -1, ptr %a48
+  %t49 = load i64, ptr %t45
+  %t50 = load ptr, ptr %a17
+  store i64 0, ptr %a51
+  br label %find.cond3370
+find.cond3370:
+  %t52 = load i64, ptr %a51
+  %t53 = icmp slt i64 %t52, %t49
+  br i1 %t53, label %find.body3371, label %find.end3374
+find.body3371:
+  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t52
+  %t55 = load { ptr, i64, i64 }, ptr %t54
+  store { ptr, i64, i64 } %t55, ptr %a56
+  store { ptr, i64, i64 } %t47, ptr %a57
+  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
+  %t59 = icmp ne i32 %t58, 0
+  br i1 %t59, label %find.hit3372, label %find.next3373
+find.hit3372:
+  store i64 %t52, ptr %a48
+  br label %find.end3374
+find.next3373:
+  %t60 = add i64 %t52, 1
+  store i64 %t60, ptr %a51
+  br label %find.cond3370
+find.end3374:
+  %t61 = load i64, ptr %a48
+  %t62 = icmp sge i64 %t61, 0
+  br label %logic.from3375
+logic.from3375:
+  br i1 %t62, label %logic.end3377, label %logic.rhs3376
+logic.rhs3376:
+  %t63 = load ptr, ptr %a1
+  %t64 = icmp eq ptr %t63, null
+  br i1 %t64, label %panic3378, label %ok3379
+panic3378:
+  call void @finch_panic(ptr @.str.2146, i64 1427, ptr @.str.2147)
   unreachable
-ok3168:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 22
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  store i64 -1, ptr %a68
-  %t69 = load i64, ptr %t65
-  %t70 = load ptr, ptr %t64
-  store i64 0, ptr %a71
-  br label %find.cond3169
-find.cond3169:
-  %t72 = load i64, ptr %a71
-  %t73 = icmp slt i64 %t72, %t69
-  br i1 %t73, label %find.body3170, label %find.end3173
-find.body3170:
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 %t72
-  %t75 = load { ptr, i64, i64 }, ptr %t74
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } %t67, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br i1 %t79, label %find.hit3171, label %find.next3172
-find.hit3171:
-  store i64 %t72, ptr %a68
-  br label %find.end3173
-find.next3172:
-  %t80 = add i64 %t72, 1
-  store i64 %t80, ptr %a71
-  br label %find.cond3169
-find.end3173:
-  %t81 = load i64, ptr %a68
-  %t82 = icmp sge i64 %t81, 0
-  br label %logic.rend3174
-logic.rend3174:
-  br label %logic.end3166
-logic.end3166:
-  %t83 = phi i1 [ true, %logic.from3164 ], [ %t82, %logic.rend3174 ]
-  br label %logic.rend3175
-logic.rend3175:
-  br label %logic.end3158
-logic.end3158:
-  %t84 = phi i1 [ false, %logic.from3156 ], [ %t83, %logic.rend3175 ]
-  br label %logic.from3176
-logic.from3176:
-  br i1 %t84, label %logic.rhs3177, label %logic.end3178
-logic.rhs3177:
-  %t85 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 0, %t87
-  br i1 %t88, label %range3179, label %inrange3180
-range3179:
-  call void @finch_panic_index(ptr @.str.2063, i64 1279, i64 0, i64 %t87)
+ok3379:
+  %t65 = getelementptr inbounds %S.gen.Gen, ptr %t63, i32 0, i32 23
+  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i32 0, i32 1
+  %t67 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  store i64 -1, ptr %a69
+  %t70 = load i64, ptr %t66
+  %t71 = load ptr, ptr %t65
+  store i64 0, ptr %a72
+  br label %find.cond3380
+find.cond3380:
+  %t73 = load i64, ptr %a72
+  %t74 = icmp slt i64 %t73, %t70
+  br i1 %t74, label %find.body3381, label %find.end3384
+find.body3381:
+  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i64 %t73
+  %t76 = load { ptr, i64, i64 }, ptr %t75
+  store { ptr, i64, i64 } %t76, ptr %a77
+  store { ptr, i64, i64 } %t68, ptr %a78
+  %t79 = call i32 @finch_str_eq(ptr %a77, ptr %a78)
+  %t80 = icmp ne i32 %t79, 0
+  br i1 %t80, label %find.hit3382, label %find.next3383
+find.hit3382:
+  store i64 %t73, ptr %a69
+  br label %find.end3384
+find.next3383:
+  %t81 = add i64 %t73, 1
+  store i64 %t81, ptr %a72
+  br label %find.cond3380
+find.end3384:
+  %t82 = load i64, ptr %a69
+  %t83 = icmp sge i64 %t82, 0
+  br label %logic.rend3385
+logic.rend3385:
+  br label %logic.end3377
+logic.end3377:
+  %t84 = phi i1 [ true, %logic.from3375 ], [ %t83, %logic.rend3385 ]
+  br label %logic.rend3386
+logic.rend3386:
+  br label %logic.end3369
+logic.end3369:
+  %t85 = phi i1 [ false, %logic.from3367 ], [ %t84, %logic.rend3386 ]
+  br label %logic.from3387
+logic.from3387:
+  br i1 %t85, label %logic.rhs3388, label %logic.end3389
+logic.rhs3388:
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
+  %t89 = icmp uge i64 0, %t88
+  br i1 %t89, label %range3390, label %inrange3391
+range3390:
+  call void @finch_panic_index(ptr @.str.2148, i64 1427, i64 0, i64 %t88)
   unreachable
-inrange3180:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %t89, i64 0
-  %t91 = load %S.ast.Node, ptr %t90
-  %t92 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t91)
-  %t93 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t92, ptr %a94
+inrange3391:
+  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
+  %t91 = getelementptr inbounds %S.ast.Node, ptr %t90, i64 0
+  %t92 = load %S.ast.Node, ptr %t91
+  %t93 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t92)
+  %t94 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t93, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.rend3181
-logic.rend3181:
-  br label %logic.end3178
-logic.end3178:
-  %t98 = phi i1 [ false, %logic.from3176 ], [ %t97, %logic.rend3181 ]
-  br i1 %t98, label %then3182, label %endif3184
-then3182:
+  store { ptr, i64, i64 } %t94, ptr %a96
+  %t97 = call i32 @finch_str_eq(ptr %a95, ptr %a96)
+  %t98 = icmp ne i32 %t97, 0
+  store { ptr, i64, i64 } %t93, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  br label %logic.rend3392
+logic.rend3392:
+  br label %logic.end3389
+logic.end3389:
+  %t100 = phi i1 [ false, %logic.from3387 ], [ %t98, %logic.rend3392 ]
+  br i1 %t100, label %then3393, label %endif3395
+then3393:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3184:
-  %t99 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
-  %t100 = load { ptr, i64, i64 }, ptr %t99
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.2064, i64 4, i64 0 }, ptr %a102
-  %t103 = call i32 @finch_str_eq(ptr %a101, ptr %a102)
-  %t104 = icmp ne i32 %t103, 0
-  br label %logic.from3185
-logic.from3185:
-  br i1 %t104, label %logic.rhs3186, label %logic.end3187
-logic.rhs3186:
-  %t105 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.2065, i64 4, i64 0 }, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend3188
-logic.rend3188:
-  br label %logic.end3187
-logic.end3187:
-  %t111 = phi i1 [ false, %logic.from3185 ], [ %t110, %logic.rend3188 ]
-  br label %logic.from3189
-logic.from3189:
-  br i1 %t111, label %logic.rhs3190, label %logic.end3191
-logic.rhs3190:
-  %t112 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
-  %t114 = load i64, ptr %t113
-  %t115 = icmp eq i64 %t114, 1
-  br label %logic.rend3192
-logic.rend3192:
-  br label %logic.end3191
-logic.end3191:
-  %t116 = phi i1 [ false, %logic.from3189 ], [ %t115, %logic.rend3192 ]
-  br label %logic.from3193
-logic.from3193:
-  br i1 %t116, label %logic.rhs3194, label %logic.end3195
-logic.rhs3194:
-  %t117 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t118 = load { ptr, i64, i64 }, ptr %t117
-  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
-  %t120 = icmp uge i64 0, %t119
-  br i1 %t120, label %range3196, label %inrange3197
-range3196:
-  call void @finch_panic_index(ptr @.str.2066, i64 1282, i64 0, i64 %t119)
+endif3395:
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 0
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.2149, i64 4, i64 0 }, ptr %a104
+  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
+  %t106 = icmp ne i32 %t105, 0
+  br label %logic.from3396
+logic.from3396:
+  br i1 %t106, label %logic.rhs3397, label %logic.end3398
+logic.rhs3397:
+  %t107 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 1
+  %t108 = load { ptr, i64, i64 }, ptr %t107
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2150, i64 4, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br label %logic.rend3399
+logic.rend3399:
+  br label %logic.end3398
+logic.end3398:
+  %t113 = phi i1 [ false, %logic.from3396 ], [ %t112, %logic.rend3399 ]
+  br label %logic.from3400
+logic.from3400:
+  br i1 %t113, label %logic.rhs3401, label %logic.end3402
+logic.rhs3401:
+  %t114 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
+  %t116 = load i64, ptr %t115
+  %t117 = icmp eq i64 %t116, 1
+  br label %logic.rend3403
+logic.rend3403:
+  br label %logic.end3402
+logic.end3402:
+  %t118 = phi i1 [ false, %logic.from3400 ], [ %t117, %logic.rend3403 ]
+  br label %logic.from3404
+logic.from3404:
+  br i1 %t118, label %logic.rhs3405, label %logic.end3406
+logic.rhs3405:
+  %t119 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t120 = load { ptr, i64, i64 }, ptr %t119
+  %t121 = extractvalue { ptr, i64, i64 } %t120, 1
+  %t122 = icmp uge i64 0, %t121
+  br i1 %t122, label %range3407, label %inrange3408
+range3407:
+  call void @finch_panic_index(ptr @.str.2151, i64 1430, i64 0, i64 %t121)
   unreachable
-inrange3197:
-  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
-  %t122 = getelementptr inbounds %S.ast.Node, ptr %t121, i64 0
-  %t123 = load %S.ast.Node, ptr %t122
-  %t124 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t123)
-  %t125 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t124, ptr %a126
-  store { ptr, i64, i64 } %t125, ptr %a127
-  %t128 = call i32 @finch_str_eq(ptr %a126, ptr %a127)
-  %t129 = icmp ne i32 %t128, 0
-  br label %logic.rend3198
-logic.rend3198:
-  br label %logic.end3195
-logic.end3195:
-  %t130 = phi i1 [ false, %logic.from3193 ], [ %t129, %logic.rend3198 ]
-  br i1 %t130, label %then3199, label %endif3201
-then3199:
+inrange3408:
+  %t123 = extractvalue { ptr, i64, i64 } %t120, 0
+  %t124 = getelementptr inbounds %S.ast.Node, ptr %t123, i64 0
+  %t125 = load %S.ast.Node, ptr %t124
+  %t126 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t125)
+  %t127 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t126, ptr %a128
+  store { ptr, i64, i64 } %t127, ptr %a129
+  %t130 = call i32 @finch_str_eq(ptr %a128, ptr %a129)
+  %t131 = icmp ne i32 %t130, 0
+  store { ptr, i64, i64 } %t126, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  br label %logic.rend3409
+logic.rend3409:
+  br label %logic.end3406
+logic.end3406:
+  %t133 = phi i1 [ false, %logic.from3404 ], [ %t131, %logic.rend3409 ]
+  br i1 %t133, label %then3410, label %endif3412
+then3410:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3201:
-  %t131 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  store i64 0, ptr %a132
-  br label %each.cond3202
-each.cond3202:
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  %t135 = load i64, ptr %a132
-  %t136 = icmp slt i64 %t135, %t134
-  br i1 %t136, label %each.body3203, label %each.end3205
-each.body3203:
-  %t137 = load ptr, ptr %t131
-  %t138 = getelementptr inbounds %S.ast.Node, ptr %t137, i64 %t135
-  %t139 = load %S.ast.Node, ptr %t138
-  store %S.ast.Node %t139, ptr %a140
-  %t141 = load ptr, ptr %a1
-  %t142 = load { ptr, i64, i64 }, ptr %a2
-  %t143 = load %S.ast.Node, ptr %a140
-  %t144 = call i1 @finch.gen.mutates(ptr %t141, { ptr, i64, i64 } %t142, %S.ast.Node %t143)
-  br i1 %t144, label %then3206, label %endif3208
-then3206:
+endif3412:
+  %t134 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  store i64 0, ptr %a135
+  br label %each.cond3413
+each.cond3413:
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i32 0, i32 1
+  %t137 = load i64, ptr %t136
+  %t138 = load i64, ptr %a135
+  %t139 = icmp slt i64 %t138, %t137
+  br i1 %t139, label %each.body3414, label %each.end3416
+each.body3414:
+  %t140 = load ptr, ptr %t134
+  %t141 = getelementptr inbounds %S.ast.Node, ptr %t140, i64 %t138
+  %t142 = load %S.ast.Node, ptr %t141
+  store %S.ast.Node %t142, ptr %a143
+  %t144 = load ptr, ptr %a1
+  %t145 = load { ptr, i64, i64 }, ptr %a2
+  %t146 = load %S.ast.Node, ptr %a143
+  %t147 = call i1 @finch.gen.mutates(ptr %t144, { ptr, i64, i64 } %t145, %S.ast.Node %t146)
+  br i1 %t147, label %then3417, label %endif3419
+then3417:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 true
-endif3208:
-  br label %each.step3204
-each.step3204:
-  %t145 = load i64, ptr %a132
-  %t146 = add i64 %t145, 1
-  store i64 %t146, ptr %a132
-  br label %each.cond3202
-each.end3205:
+endif3419:
+  br label %each.step3415
+each.step3415:
+  %t148 = load i64, ptr %a135
+  %t149 = add i64 %t148, 1
+  store i64 %t149, ptr %a135
+  br label %each.cond3413
+each.end3416:
+  call void @finch.drop.arr_str(ptr %a17)
   ret i1 false
 }
 
@@ -31596,2585 +37094,2762 @@ entry:
   %a7 = alloca i64, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca i64, align 16
-  %a59 = alloca %S.ast.Node, align 16
-  %a60 = alloca %S.ast.Node, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca i64, align 16
+  %a61 = alloca %S.ast.Node, align 16
   %a62 = alloca %S.ast.Node, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca %S.ast.Node, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca i64, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca i64, align 16
-  %a218 = alloca %S.ast.Node, align 16
-  %a219 = alloca %S.ast.Node, align 16
-  %a221 = alloca %S.ast.Node, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca i64, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca i64, align 16
+  %a224 = alloca %S.ast.Node, align 16
+  %a225 = alloca %S.ast.Node, align 16
+  %a227 = alloca %S.ast.Node, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
   %a258 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca %S.gen.EnumDef, align 16
-  %a268 = alloca i64, align 16
-  %a270 = alloca i64, align 16
-  %a278 = alloca %S.ast.Node, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca i64, align 16
-  %a294 = alloca i64, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca %S.gen.EnumDef, align 16
+  %a276 = alloca i64, align 16
+  %a278 = alloca i64, align 16
+  %a286 = alloca %S.ast.Node, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca i64, align 16
+  %a302 = alloca i64, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
   %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca i64, align 16
-  %a334 = alloca i64, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca i64, align 16
+  %a346 = alloca i64, align 16
   %a359 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca %S.gen.EnumDef, align 16
-  %a394 = alloca %S.gen.EnumDef, align 16
-  %a410 = alloca i64, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca i64, align 16
-  %a460 = alloca i64, align 16
-  %a477 = alloca { ptr, i64, i64 }, align 16
-  %a478 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca i64, align 16
-  %a512 = alloca %S.ast.Node, align 16
-  %a513 = alloca %S.ast.Node, align 16
-  %a515 = alloca %S.ast.Node, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
-  %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca %S.gen.EnumDef, align 16
+  %a411 = alloca %S.gen.EnumDef, align 16
+  %a427 = alloca i64, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca i64, align 16
+  %a477 = alloca i64, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca i64, align 16
+  %a531 = alloca %S.ast.Node, align 16
+  %a532 = alloca %S.ast.Node, align 16
+  %a534 = alloca %S.ast.Node, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
   %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
   %a563 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a567 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
   %a583 = alloca { ptr, i64, i64 }, align 16
   %a584 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a596 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
   %a612 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca i1, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a643 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a647 = alloca { ptr, i64, i64 }, align 16
-  %a648 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca i64, align 16
-  %a691 = alloca { ptr, i64, i64 }, align 16
-  %a692 = alloca { ptr, i64, i64 }, align 16
-  %a693 = alloca { ptr, i64, i64 }, align 16
-  %a695 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a613 = alloca { ptr, i64, i64 }, align 16
+  %a618 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca i1, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a683 = alloca { ptr, i64, i64 }, align 16
+  %a684 = alloca { ptr, i64, i64 }, align 16
+  %a686 = alloca { ptr, i64, i64 }, align 16
+  %a699 = alloca i64, align 16
   %a713 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
   %a721 = alloca { ptr, i64, i64 }, align 16
   %a722 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
   %a725 = alloca { ptr, i64, i64 }, align 16
   %a726 = alloca { ptr, i64, i64 }, align 16
   %a727 = alloca { ptr, i64, i64 }, align 16
-  %a742 = alloca i64, align 16
-  %a745 = alloca i64, align 16
-  %a750 = alloca { ptr, i64, i64 }, align 16
-  %a751 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
+  %a746 = alloca { ptr, i64, i64 }, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
   %a761 = alloca { ptr, i64, i64 }, align 16
-  %a762 = alloca { ptr, i64, i64 }, align 16
   %a763 = alloca { ptr, i64, i64 }, align 16
-  %a765 = alloca { ptr, i64, i64 }, align 16
-  %a766 = alloca { ptr, i64, i64 }, align 16
-  %a767 = alloca { ptr, i64, i64 }, align 16
-  %a771 = alloca { ptr, i64, i64 }, align 16
-  %a772 = alloca { ptr, i64, i64 }, align 16
-  %a773 = alloca { ptr, i64, i64 }, align 16
-  %a775 = alloca { ptr, i64, i64 }, align 16
-  %a776 = alloca { ptr, i64, i64 }, align 16
-  %a777 = alloca { ptr, i64, i64 }, align 16
-  %a792 = alloca { ptr, i64, i64 }, align 16
-  %a793 = alloca { ptr, i64, i64 }, align 16
-  %a794 = alloca { ptr, i64, i64 }, align 16
+  %a777 = alloca i64, align 16
+  %a780 = alloca i64, align 16
+  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a786 = alloca { ptr, i64, i64 }, align 16
   %a796 = alloca { ptr, i64, i64 }, align 16
   %a797 = alloca { ptr, i64, i64 }, align 16
   %a798 = alloca { ptr, i64, i64 }, align 16
+  %a800 = alloca { ptr, i64, i64 }, align 16
+  %a801 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
   %a807 = alloca { ptr, i64, i64 }, align 16
   %a808 = alloca { ptr, i64, i64 }, align 16
   %a809 = alloca { ptr, i64, i64 }, align 16
-  %a811 = alloca { ptr, i64, i64 }, align 16
+  %a810 = alloca { ptr, i64, i64 }, align 16
   %a812 = alloca { ptr, i64, i64 }, align 16
   %a813 = alloca { ptr, i64, i64 }, align 16
-  %a819 = alloca { ptr, i64, i64 }, align 16
-  %a820 = alloca { ptr, i64, i64 }, align 16
-  %a825 = alloca { ptr, i64, i64 }, align 16
-  %a826 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
+  %a817 = alloca { ptr, i64, i64 }, align 16
   %a831 = alloca { ptr, i64, i64 }, align 16
   %a832 = alloca { ptr, i64, i64 }, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a835 = alloca { ptr, i64, i64 }, align 16
   %a836 = alloca { ptr, i64, i64 }, align 16
   %a837 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca %S.gen.FnSig, align 16
-  %a858 = alloca { ptr, i64, i64 }, align 16
-  %a859 = alloca { ptr, i64, i64 }, align 16
-  %a860 = alloca { ptr, i64, i64 }, align 16
+  %a838 = alloca { ptr, i64, i64 }, align 16
+  %a840 = alloca { ptr, i64, i64 }, align 16
+  %a848 = alloca { ptr, i64, i64 }, align 16
+  %a849 = alloca { ptr, i64, i64 }, align 16
+  %a850 = alloca { ptr, i64, i64 }, align 16
+  %a852 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca { ptr, i64, i64 }, align 16
+  %a854 = alloca { ptr, i64, i64 }, align 16
+  %a855 = alloca { ptr, i64, i64 }, align 16
+  %a857 = alloca { ptr, i64, i64 }, align 16
   %a862 = alloca { ptr, i64, i64 }, align 16
   %a863 = alloca { ptr, i64, i64 }, align 16
-  %a864 = alloca { ptr, i64, i64 }, align 16
   %a868 = alloca { ptr, i64, i64 }, align 16
   %a869 = alloca { ptr, i64, i64 }, align 16
-  %a870 = alloca { ptr, i64, i64 }, align 16
-  %a882 = alloca { ptr, i64, i64 }, align 16
-  %a883 = alloca { ptr, i64, i64 }, align 16
-  %a884 = alloca { ptr, i64, i64 }, align 16
-  %a886 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
-  %a888 = alloca { ptr, i64, i64 }, align 16
-  %a892 = alloca { ptr, i64, i64 }, align 16
-  %a893 = alloca { ptr, i64, i64 }, align 16
-  %a894 = alloca { ptr, i64, i64 }, align 16
-  %a896 = alloca { ptr, i64, i64 }, align 16
-  %a897 = alloca { ptr, i64, i64 }, align 16
-  %a898 = alloca { ptr, i64, i64 }, align 16
+  %a874 = alloca { ptr, i64, i64 }, align 16
+  %a875 = alloca { ptr, i64, i64 }, align 16
+  %a879 = alloca { ptr, i64, i64 }, align 16
+  %a880 = alloca { ptr, i64, i64 }, align 16
+  %a895 = alloca %S.gen.FnSig, align 16
+  %a901 = alloca { ptr, i64, i64 }, align 16
   %a902 = alloca { ptr, i64, i64 }, align 16
   %a903 = alloca { ptr, i64, i64 }, align 16
   %a904 = alloca { ptr, i64, i64 }, align 16
-  %a917 = alloca i64, align 16
-  %a929 = alloca { ptr, i64, i64 }, align 16
+  %a906 = alloca { ptr, i64, i64 }, align 16
+  %a907 = alloca { ptr, i64, i64 }, align 16
+  %a908 = alloca { ptr, i64, i64 }, align 16
+  %a909 = alloca { ptr, i64, i64 }, align 16
+  %a913 = alloca { ptr, i64, i64 }, align 16
+  %a914 = alloca { ptr, i64, i64 }, align 16
+  %a915 = alloca { ptr, i64, i64 }, align 16
+  %a916 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
   %a930 = alloca { ptr, i64, i64 }, align 16
+  %a931 = alloca { ptr, i64, i64 }, align 16
+  %a932 = alloca { ptr, i64, i64 }, align 16
+  %a933 = alloca { ptr, i64, i64 }, align 16
+  %a935 = alloca { ptr, i64, i64 }, align 16
+  %a936 = alloca { ptr, i64, i64 }, align 16
+  %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a942 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
+  %a944 = alloca { ptr, i64, i64 }, align 16
+  %a945 = alloca { ptr, i64, i64 }, align 16
+  %a947 = alloca { ptr, i64, i64 }, align 16
+  %a948 = alloca { ptr, i64, i64 }, align 16
   %a949 = alloca { ptr, i64, i64 }, align 16
   %a950 = alloca { ptr, i64, i64 }, align 16
-  %a951 = alloca { ptr, i64, i64 }, align 16
-  %a953 = alloca { ptr, i64, i64 }, align 16
   %a954 = alloca { ptr, i64, i64 }, align 16
   %a955 = alloca { ptr, i64, i64 }, align 16
-  %a993 = alloca { ptr, i64, i64 }, align 16
-  %a994 = alloca { ptr, i64, i64 }, align 16
-  %a1012 = alloca %S.gen.FnSig, align 16
-  %a1013 = alloca %S.gen.FnSig, align 16
-  %a1023 = alloca i1, align 16
-  %a1030 = alloca i64, align 16
-  %a1096 = alloca %S.ast.Node, align 16
-  %a1097 = alloca %S.ast.Node, align 16
-  %a1099 = alloca %S.ast.Node, align 16
-  %a1138 = alloca { ptr, i64, i64 }, align 16
-  %a1139 = alloca { ptr, i64, i64 }, align 16
-  %a1152 = alloca i64, align 16
-  %a1165 = alloca %S.gen.Template, align 16
-  %a1166 = alloca %S.gen.Template, align 16
-  %a1168 = alloca %S.gen.Template, align 16
-  %a1196 = alloca %S.ast.Node, align 16
-  %a1197 = alloca %S.ast.Node, align 16
-  %a1199 = alloca %S.ast.Node, align 16
-  %a1229 = alloca { ptr, i64, i64 }, align 16
-  %a1230 = alloca { ptr, i64, i64 }, align 16
-  %a1243 = alloca i64, align 16
-  %a1283 = alloca %S.ast.Node, align 16
-  %a1284 = alloca %S.ast.Node, align 16
-  %a1286 = alloca %S.ast.Node, align 16
-  %a1298 = alloca %S.ast.Node, align 16
-  %a1299 = alloca %S.ast.Node, align 16
-  %a1301 = alloca %S.ast.Node, align 16
-  %a1314 = alloca i64, align 16
-  %a1334 = alloca %S.ast.Type, align 16
-  %a1335 = alloca %S.ast.Type, align 16
-  %a1337 = alloca %S.ast.Type, align 16
+  %a956 = alloca { ptr, i64, i64 }, align 16
+  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a961 = alloca { ptr, i64, i64 }, align 16
+  %a969 = alloca %S.ast.Type, align 16
+  %a974 = alloca i64, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
+  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a1007 = alloca { ptr, i64, i64 }, align 16
+  %a1008 = alloca { ptr, i64, i64 }, align 16
+  %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1011 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
+  %a1013 = alloca { ptr, i64, i64 }, align 16
+  %a1015 = alloca { ptr, i64, i64 }, align 16
+  %a1052 = alloca { ptr, i64, i64 }, align 16
+  %a1053 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca %S.gen.FnSig, align 16
+  %a1072 = alloca %S.gen.FnSig, align 16
+  %a1082 = alloca i1, align 16
+  %a1089 = alloca i64, align 16
+  %a1155 = alloca %S.ast.Node, align 16
+  %a1156 = alloca %S.ast.Node, align 16
+  %a1158 = alloca %S.ast.Node, align 16
+  %a1197 = alloca { ptr, i64, i64 }, align 16
+  %a1198 = alloca { ptr, i64, i64 }, align 16
+  %a1211 = alloca i64, align 16
+  %a1224 = alloca %S.gen.Template, align 16
+  %a1225 = alloca %S.gen.Template, align 16
+  %a1227 = alloca %S.gen.Template, align 16
+  %a1255 = alloca %S.ast.Node, align 16
+  %a1256 = alloca %S.ast.Node, align 16
+  %a1258 = alloca %S.ast.Node, align 16
+  %a1288 = alloca { ptr, i64, i64 }, align 16
+  %a1289 = alloca { ptr, i64, i64 }, align 16
+  %a1302 = alloca i64, align 16
+  %a1342 = alloca %S.ast.Node, align 16
+  %a1343 = alloca %S.ast.Node, align 16
+  %a1345 = alloca %S.ast.Node, align 16
+  %a1357 = alloca %S.ast.Node, align 16
+  %a1358 = alloca %S.ast.Node, align 16
+  %a1360 = alloca %S.ast.Node, align 16
+  %a1373 = alloca i64, align 16
+  %a1393 = alloca %S.ast.Type, align 16
+  %a1394 = alloca %S.ast.Type, align 16
+  %a1396 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic3209, label %ok3210
-panic3209:
-  call void @finch_panic(ptr @.str.2067, i64 1296, ptr @.str.2068)
+  br i1 %t3, label %panic3420, label %ok3421
+panic3420:
+  call void @finch_panic(ptr @.str.2152, i64 1444, ptr @.str.2153)
   unreachable
-ok3210:
+ok3421:
   %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 0
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
   %t6 = load i64, ptr %t5
   store i64 0, ptr %a7
-  br label %for.cond3211
-for.cond3211:
+  br label %for.cond3422
+for.cond3422:
   %t8 = load i64, ptr %a7
   %t9 = icmp slt i64 %t8, %t6
-  br i1 %t9, label %for.body3212, label %for.end3214
-for.body3212:
+  br i1 %t9, label %for.body3423, label %for.end3425
+for.body3423:
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic3215, label %ok3216
-panic3215:
-  call void @finch_panic(ptr @.str.2069, i64 1297, ptr @.str.2070)
+  br i1 %t11, label %panic3426, label %ok3427
+panic3426:
+  call void @finch_panic(ptr @.str.2154, i64 1445, ptr @.str.2155)
   unreachable
-ok3216:
+ok3427:
   %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 0
   %t13 = load i64, ptr %a7
   %t14 = load { ptr, i64, i64 }, ptr %t12
   %t15 = extractvalue { ptr, i64, i64 } %t14, 1
   %t16 = icmp uge i64 %t13, %t15
-  br i1 %t16, label %range3217, label %inrange3218
-range3217:
-  call void @finch_panic_index(ptr @.str.2071, i64 1297, i64 %t13, i64 %t15)
+  br i1 %t16, label %range3428, label %inrange3429
+range3428:
+  call void @finch_panic_index(ptr @.str.2156, i64 1445, i64 %t13, i64 %t15)
   unreachable
-inrange3218:
+inrange3429:
   %t17 = extractvalue { ptr, i64, i64 } %t14, 0
   %t18 = getelementptr inbounds %S.ast.Program, ptr %t17, i64 %t13
   %t19 = getelementptr inbounds %S.ast.Program, ptr %t18, i32 0, i32 0
   %t20 = load { ptr, i64, i64 }, ptr %t19
   %t21 = load ptr, ptr %a1
   %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic3219, label %ok3220
-panic3219:
-  call void @finch_panic(ptr @.str.2072, i64 1297, ptr @.str.2073)
+  br i1 %t22, label %panic3430, label %ok3431
+panic3430:
+  call void @finch_panic(ptr @.str.2157, i64 1445, ptr @.str.2158)
   unreachable
-ok3220:
-  %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 13
+ok3431:
+  %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 14
   store { ptr, i64, i64 } %t20, ptr %a24
   call void @finch_str_copy(ptr %a25, ptr %a24)
   %t26 = load { ptr, i64, i64 }, ptr %a25
+  %t27 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t26, ptr %t23
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic3221, label %ok3222
-panic3221:
-  call void @finch_panic(ptr @.str.2074, i64 1298, ptr @.str.2075)
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load ptr, ptr %a1
+  %t30 = icmp eq ptr %t29, null
+  br i1 %t30, label %panic3432, label %ok3433
+panic3432:
+  call void @finch_panic(ptr @.str.2159, i64 1446, ptr @.str.2160)
   unreachable
-ok3222:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 0
-  %t30 = load i64, ptr %a7
-  %t31 = load { ptr, i64, i64 }, ptr %t29
-  %t32 = extractvalue { ptr, i64, i64 } %t31, 1
-  %t33 = icmp uge i64 %t30, %t32
-  br i1 %t33, label %range3223, label %inrange3224
-range3223:
-  call void @finch_panic_index(ptr @.str.2076, i64 1298, i64 %t30, i64 %t32)
+ok3433:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 0
+  %t32 = load i64, ptr %a7
+  %t33 = load { ptr, i64, i64 }, ptr %t31
+  %t34 = extractvalue { ptr, i64, i64 } %t33, 1
+  %t35 = icmp uge i64 %t32, %t34
+  br i1 %t35, label %range3434, label %inrange3435
+range3434:
+  call void @finch_panic_index(ptr @.str.2161, i64 1446, i64 %t32, i64 %t34)
   unreachable
-inrange3224:
-  %t34 = extractvalue { ptr, i64, i64 } %t31, 0
-  %t35 = getelementptr inbounds %S.ast.Program, ptr %t34, i64 %t30
-  %t36 = getelementptr inbounds %S.ast.Program, ptr %t35, i32 0, i32 6
-  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
-  %t38 = load i64, ptr %t37
-  store i64 0, ptr %a39
-  br label %for.cond3225
-for.cond3225:
-  %t40 = load i64, ptr %a39
-  %t41 = icmp slt i64 %t40, %t38
-  br i1 %t41, label %for.body3226, label %for.end3228
-for.body3226:
-  %t42 = load ptr, ptr %a1
-  %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic3229, label %ok3230
-panic3229:
-  call void @finch_panic(ptr @.str.2077, i64 1299, ptr @.str.2078)
+inrange3435:
+  %t36 = extractvalue { ptr, i64, i64 } %t33, 0
+  %t37 = getelementptr inbounds %S.ast.Program, ptr %t36, i64 %t32
+  %t38 = getelementptr inbounds %S.ast.Program, ptr %t37, i32 0, i32 6
+  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i32 0, i32 1
+  %t40 = load i64, ptr %t39
+  store i64 0, ptr %a41
+  br label %for.cond3436
+for.cond3436:
+  %t42 = load i64, ptr %a41
+  %t43 = icmp slt i64 %t42, %t40
+  br i1 %t43, label %for.body3437, label %for.end3439
+for.body3437:
+  %t44 = load ptr, ptr %a1
+  %t45 = icmp eq ptr %t44, null
+  br i1 %t45, label %panic3440, label %ok3441
+panic3440:
+  call void @finch_panic(ptr @.str.2162, i64 1447, ptr @.str.2163)
   unreachable
-ok3230:
-  %t44 = getelementptr inbounds %S.gen.Gen, ptr %t42, i32 0, i32 0
-  %t45 = load i64, ptr %a7
-  %t46 = load { ptr, i64, i64 }, ptr %t44
-  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
-  %t48 = icmp uge i64 %t45, %t47
-  br i1 %t48, label %range3231, label %inrange3232
-range3231:
-  call void @finch_panic_index(ptr @.str.2079, i64 1299, i64 %t45, i64 %t47)
+ok3441:
+  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 0
+  %t47 = load i64, ptr %a7
+  %t48 = load { ptr, i64, i64 }, ptr %t46
+  %t49 = extractvalue { ptr, i64, i64 } %t48, 1
+  %t50 = icmp uge i64 %t47, %t49
+  br i1 %t50, label %range3442, label %inrange3443
+range3442:
+  call void @finch_panic_index(ptr @.str.2164, i64 1447, i64 %t47, i64 %t49)
   unreachable
-inrange3232:
-  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
-  %t50 = getelementptr inbounds %S.ast.Program, ptr %t49, i64 %t45
-  %t51 = getelementptr inbounds %S.ast.Program, ptr %t50, i32 0, i32 6
-  %t52 = load i64, ptr %a39
-  %t53 = load { ptr, i64, i64 }, ptr %t51
-  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
-  %t55 = icmp uge i64 %t52, %t54
-  br i1 %t55, label %range3233, label %inrange3234
-range3233:
-  call void @finch_panic_index(ptr @.str.2080, i64 1299, i64 %t52, i64 %t54)
+inrange3443:
+  %t51 = extractvalue { ptr, i64, i64 } %t48, 0
+  %t52 = getelementptr inbounds %S.ast.Program, ptr %t51, i64 %t47
+  %t53 = getelementptr inbounds %S.ast.Program, ptr %t52, i32 0, i32 6
+  %t54 = load i64, ptr %a41
+  %t55 = load { ptr, i64, i64 }, ptr %t53
+  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
+  %t57 = icmp uge i64 %t54, %t56
+  br i1 %t57, label %range3444, label %inrange3445
+range3444:
+  call void @finch_panic_index(ptr @.str.2165, i64 1447, i64 %t54, i64 %t56)
   unreachable
-inrange3234:
-  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
-  %t57 = getelementptr inbounds %S.ast.Node, ptr %t56, i64 %t52
-  %t58 = load %S.ast.Node, ptr %t57
-  store %S.ast.Node %t58, ptr %a59
-  call void @finch.copy.S_ast_Node(ptr %a60, ptr %a59)
-  %t61 = load %S.ast.Node, ptr %a60
-  store %S.ast.Node %t61, ptr %a62
-  %t63 = load ptr, ptr %a1
-  %t64 = load ptr, ptr %a1
-  %t65 = icmp eq ptr %t64, null
-  br i1 %t65, label %panic3235, label %ok3236
-panic3235:
-  call void @finch_panic(ptr @.str.2081, i64 1300, ptr @.str.2082)
+inrange3445:
+  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %t58, i64 %t54
+  %t60 = load %S.ast.Node, ptr %t59
+  store %S.ast.Node %t60, ptr %a61
+  call void @finch.copy.S_ast_Node(ptr %a62, ptr %a61)
+  %t63 = load %S.ast.Node, ptr %a62
+  store %S.ast.Node %t63, ptr %a64
+  %t65 = load ptr, ptr %a1
+  %t66 = load ptr, ptr %a1
+  %t67 = icmp eq ptr %t66, null
+  br i1 %t67, label %panic3446, label %ok3447
+panic3446:
+  call void @finch_panic(ptr @.str.2166, i64 1448, ptr @.str.2167)
   unreachable
-ok3236:
-  %t66 = getelementptr inbounds %S.gen.Gen, ptr %t64, i32 0, i32 13
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
+ok3447:
+  %t68 = getelementptr inbounds %S.gen.Gen, ptr %t66, i32 0, i32 14
   %t69 = load { ptr, i64, i64 }, ptr %t68
-  %t70 = call i64 @finch.gen.findStruct(ptr %t63, { ptr, i64, i64 } %t67, { ptr, i64, i64 } %t69)
-  %t71 = icmp sge i64 %t70, 0
-  br label %logic.from3237
-logic.from3237:
-  br i1 %t71, label %logic.end3239, label %logic.rhs3238
-logic.rhs3238:
-  %t72 = load ptr, ptr %a1
-  %t73 = load ptr, ptr %a1
-  %t74 = icmp eq ptr %t73, null
-  br i1 %t74, label %panic3240, label %ok3241
-panic3240:
-  call void @finch_panic(ptr @.str.2083, i64 1300, ptr @.str.2084)
+  %t70 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = call i64 @finch.gen.findStruct(ptr %t65, { ptr, i64, i64 } %t69, { ptr, i64, i64 } %t71)
+  %t73 = icmp sge i64 %t72, 0
+  br label %logic.from3448
+logic.from3448:
+  br i1 %t73, label %logic.end3450, label %logic.rhs3449
+logic.rhs3449:
+  %t74 = load ptr, ptr %a1
+  %t75 = load ptr, ptr %a1
+  %t76 = icmp eq ptr %t75, null
+  br i1 %t76, label %panic3451, label %ok3452
+panic3451:
+  call void @finch_panic(ptr @.str.2168, i64 1448, ptr @.str.2169)
   unreachable
-ok3241:
-  %t75 = getelementptr inbounds %S.gen.Gen, ptr %t73, i32 0, i32 13
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  %t77 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
+ok3452:
+  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 14
   %t78 = load { ptr, i64, i64 }, ptr %t77
-  %t79 = call i64 @finch.gen.findTemplate(ptr %t72, { ptr, i64, i64 } %t76, { ptr, i64, i64 } %t78, { ptr, i64, i64 } { ptr @.str.2085, i64 0, i64 0 }, i1 true)
-  %t80 = icmp sge i64 %t79, 0
-  br label %logic.rend3242
-logic.rend3242:
-  br label %logic.end3239
-logic.end3239:
-  %t81 = phi i1 [ true, %logic.from3237 ], [ %t80, %logic.rend3242 ]
-  br i1 %t81, label %then3243, label %endif3245
-then3243:
-  %t82 = load ptr, ptr %a1
-  %t83 = load %S.ast.Node, ptr %a62
-  %t84 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } { ptr @.str.2086, i64 12, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.2087, i64 18, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.fail(ptr %t82, %S.ast.Node %t83, { ptr, i64, i64 } %t93)
-  br label %endif3245
-endif3245:
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 3
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  %t97 = icmp sgt i64 %t96, 0
-  br i1 %t97, label %then3246, label %endif3248
-then3246:
-  %t98 = load ptr, ptr %a1
-  %t99 = icmp eq ptr %t98, null
-  br i1 %t99, label %panic3249, label %ok3250
-panic3249:
-  call void @finch_panic(ptr @.str.2088, i64 1305, ptr @.str.2089)
-  unreachable
-ok3250:
-  %t100 = getelementptr inbounds %S.gen.Gen, ptr %t98, i32 0, i32 16
-  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i32 0, i32 1
+  %t79 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  %t81 = call i64 @finch.gen.findTemplate(ptr %t74, { ptr, i64, i64 } %t78, { ptr, i64, i64 } %t80, { ptr, i64, i64 } { ptr @.str.2170, i64 0, i64 0 }, i1 true)
+  %t82 = icmp sge i64 %t81, 0
+  br label %logic.rend3453
+logic.rend3453:
+  br label %logic.end3450
+logic.end3450:
+  %t83 = phi i1 [ true, %logic.from3448 ], [ %t82, %logic.rend3453 ]
+  br i1 %t83, label %then3454, label %endif3456
+then3454:
+  %t84 = load ptr, ptr %a1
+  %t85 = load %S.ast.Node, ptr %a64
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  store { ptr, i64, i64 } { ptr @.str.2171, i64 12, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.2172, i64 18, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  call void @finch.gen.fail(ptr %t84, %S.ast.Node %t85, { ptr, i64, i64 } %t96)
+  store { ptr, i64, i64 } %t96, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  br label %endif3456
+endif3456:
+  %t98 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 3
+  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
+  %t100 = load i64, ptr %t99
+  %t101 = icmp sgt i64 %t100, 0
+  br i1 %t101, label %then3457, label %endif3459
+then3457:
   %t102 = load ptr, ptr %a1
   %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic3251, label %ok3252
-panic3251:
-  call void @finch_panic(ptr @.str.2090, i64 1305, ptr @.str.2091)
+  br i1 %t103, label %panic3460, label %ok3461
+panic3460:
+  call void @finch_panic(ptr @.str.2173, i64 1453, ptr @.str.2174)
   unreachable
-ok3252:
-  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 13
-  %t105 = load { ptr, i64, i64 }, ptr %t104
-  store { ptr, i64, i64 } %t105, ptr %a106
-  call void @finch_str_copy(ptr %a107, ptr %a106)
-  %t108 = load { ptr, i64, i64 }, ptr %a107
-  %t109 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t108, 0
-  %t110 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  call void @finch_str_copy(ptr %a113, ptr %a112)
-  %t114 = load { ptr, i64, i64 }, ptr %a113
-  %t115 = insertvalue %S.gen.Template %t109, { ptr, i64, i64 } %t114, 1
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 3
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  call void @finch.copy.arr_str(ptr %a119, ptr %a118)
-  %t120 = load { ptr, i64, i64 }, ptr %a119
-  %t121 = insertvalue %S.gen.Template %t115, { ptr, i64, i64 } %t120, 3
-  %t122 = load i64, ptr %a7
-  %t123 = insertvalue %S.gen.Template %t121, i64 %t122, 4
-  %t124 = load i64, ptr %a39
-  %t125 = insertvalue %S.gen.Template %t123, i64 %t124, 5
-  %t126 = insertvalue %S.gen.Template %t125, i1 true, 6
-  %t127 = load i64, ptr %t101
-  %t128 = add i64 %t127, 1
-  call void @finch_arr_reserve(ptr %t100, i64 %t128, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
-  %t129 = load ptr, ptr %t100
-  %t130 = getelementptr inbounds %S.gen.Template, ptr %t129, i64 %t127
-  store %S.gen.Template %t126, ptr %t130
-  store i64 %t128, ptr %t101
-  br label %for.step3227
-endif3248:
-  %t131 = load ptr, ptr %a1
-  %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic3253, label %ok3254
-panic3253:
-  call void @finch_panic(ptr @.str.2092, i64 1308, ptr @.str.2093)
+ok3461:
+  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 17
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t106 = load ptr, ptr %a1
+  %t107 = icmp eq ptr %t106, null
+  br i1 %t107, label %panic3462, label %ok3463
+panic3462:
+  call void @finch_panic(ptr @.str.2175, i64 1453, ptr @.str.2176)
   unreachable
-ok3254:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 15
-  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+ok3463:
+  %t108 = getelementptr inbounds %S.gen.Gen, ptr %t106, i32 0, i32 14
+  %t109 = load { ptr, i64, i64 }, ptr %t108
+  store { ptr, i64, i64 } %t109, ptr %a110
+  call void @finch_str_copy(ptr %a111, ptr %a110)
+  %t112 = load { ptr, i64, i64 }, ptr %a111
+  %t113 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t112, 0
+  %t114 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } %t115, ptr %a116
+  call void @finch_str_copy(ptr %a117, ptr %a116)
+  %t118 = load { ptr, i64, i64 }, ptr %a117
+  %t119 = insertvalue %S.gen.Template %t113, { ptr, i64, i64 } %t118, 1
+  %t120 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 3
+  %t121 = load { ptr, i64, i64 }, ptr %t120
+  store { ptr, i64, i64 } %t121, ptr %a122
+  call void @finch.copy.arr_str(ptr %a123, ptr %a122)
+  %t124 = load { ptr, i64, i64 }, ptr %a123
+  %t125 = insertvalue %S.gen.Template %t119, { ptr, i64, i64 } %t124, 3
+  %t126 = load i64, ptr %a7
+  %t127 = insertvalue %S.gen.Template %t125, i64 %t126, 4
+  %t128 = load i64, ptr %a41
+  %t129 = insertvalue %S.gen.Template %t127, i64 %t128, 5
+  %t130 = insertvalue %S.gen.Template %t129, i1 true, 6
+  %t131 = load i64, ptr %t105
+  %t132 = add i64 %t131, 1
+  call void @finch_arr_reserve(ptr %t104, i64 %t132, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
+  %t133 = load ptr, ptr %t104
+  %t134 = getelementptr inbounds %S.gen.Template, ptr %t133, i64 %t131
+  store %S.gen.Template %t130, ptr %t134
+  store i64 %t132, ptr %t105
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  br label %for.step3438
+endif3459:
   %t135 = load ptr, ptr %a1
   %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic3255, label %ok3256
-panic3255:
-  call void @finch_panic(ptr @.str.2094, i64 1308, ptr @.str.2095)
+  br i1 %t136, label %panic3464, label %ok3465
+panic3464:
+  call void @finch_panic(ptr @.str.2177, i64 1456, ptr @.str.2178)
   unreachable
-ok3256:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 13
-  %t138 = load { ptr, i64, i64 }, ptr %t137
-  store { ptr, i64, i64 } %t138, ptr %a139
-  call void @finch_str_copy(ptr %a140, ptr %a139)
-  %t141 = load { ptr, i64, i64 }, ptr %a140
-  %t142 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t141, 0
-  %t143 = getelementptr inbounds %S.ast.Node, ptr %a62, i32 0, i32 1
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  call void @finch_str_copy(ptr %a146, ptr %a145)
-  %t147 = load { ptr, i64, i64 }, ptr %a146
-  %t148 = insertvalue %S.gen.StructDef %t142, { ptr, i64, i64 } %t147, 1
-  %t149 = load i64, ptr %a7
-  %t150 = insertvalue %S.gen.StructDef %t148, i64 %t149, 13
-  %t151 = load i64, ptr %a39
-  %t152 = insertvalue %S.gen.StructDef %t150, i64 %t151, 14
-  %t153 = load i64, ptr %t134
-  %t154 = add i64 %t153, 1
-  call void @finch_arr_reserve(ptr %t133, i64 %t154, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
-  %t155 = load ptr, ptr %t133
-  %t156 = getelementptr inbounds %S.gen.StructDef, ptr %t155, i64 %t153
-  store %S.gen.StructDef %t152, ptr %t156
-  store i64 %t154, ptr %t134
-  br label %for.step3227
-for.step3227:
-  %t157 = load i64, ptr %a39
+ok3465:
+  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 16
+  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
+  %t139 = load ptr, ptr %a1
+  %t140 = icmp eq ptr %t139, null
+  br i1 %t140, label %panic3466, label %ok3467
+panic3466:
+  call void @finch_panic(ptr @.str.2179, i64 1456, ptr @.str.2180)
+  unreachable
+ok3467:
+  %t141 = getelementptr inbounds %S.gen.Gen, ptr %t139, i32 0, i32 14
+  %t142 = load { ptr, i64, i64 }, ptr %t141
+  store { ptr, i64, i64 } %t142, ptr %a143
+  call void @finch_str_copy(ptr %a144, ptr %a143)
+  %t145 = load { ptr, i64, i64 }, ptr %a144
+  %t146 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t145, 0
+  %t147 = getelementptr inbounds %S.ast.Node, ptr %a64, i32 0, i32 1
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch_str_copy(ptr %a150, ptr %a149)
+  %t151 = load { ptr, i64, i64 }, ptr %a150
+  %t152 = insertvalue %S.gen.StructDef %t146, { ptr, i64, i64 } %t151, 1
+  %t153 = load i64, ptr %a7
+  %t154 = insertvalue %S.gen.StructDef %t152, i64 %t153, 13
+  %t155 = load i64, ptr %a41
+  %t156 = insertvalue %S.gen.StructDef %t154, i64 %t155, 14
+  %t157 = load i64, ptr %t138
   %t158 = add i64 %t157, 1
-  store i64 %t158, ptr %a39
-  br label %for.cond3225
-for.end3228:
-  br label %for.step3213
-for.step3213:
-  %t159 = load i64, ptr %a7
-  %t160 = add i64 %t159, 1
-  store i64 %t160, ptr %a7
-  br label %for.cond3211
-for.end3214:
-  %t161 = load ptr, ptr %a1
-  %t162 = icmp eq ptr %t161, null
-  br i1 %t162, label %panic3257, label %ok3258
-panic3257:
-  call void @finch_panic(ptr @.str.2096, i64 1311, ptr @.str.2097)
+  call void @finch_arr_reserve(ptr %t137, i64 %t158, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
+  %t159 = load ptr, ptr %t137
+  %t160 = getelementptr inbounds %S.gen.StructDef, ptr %t159, i64 %t157
+  store %S.gen.StructDef %t156, ptr %t160
+  store i64 %t158, ptr %t138
+  call void @finch.drop.S_ast_Node(ptr %a64)
+  br label %for.step3438
+for.step3438:
+  %t161 = load i64, ptr %a41
+  %t162 = add i64 %t161, 1
+  store i64 %t162, ptr %a41
+  br label %for.cond3436
+for.end3439:
+  br label %for.step3424
+for.step3424:
+  %t163 = load i64, ptr %a7
+  %t164 = add i64 %t163, 1
+  store i64 %t164, ptr %a7
+  br label %for.cond3422
+for.end3425:
+  %t165 = load ptr, ptr %a1
+  %t166 = icmp eq ptr %t165, null
+  br i1 %t166, label %panic3468, label %ok3469
+panic3468:
+  call void @finch_panic(ptr @.str.2181, i64 1459, ptr @.str.2182)
   unreachable
-ok3258:
-  %t163 = getelementptr inbounds %S.gen.Gen, ptr %t161, i32 0, i32 0
-  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i32 0, i32 1
-  %t165 = load i64, ptr %t164
-  store i64 0, ptr %a166
-  br label %for.cond3259
-for.cond3259:
-  %t167 = load i64, ptr %a166
-  %t168 = icmp slt i64 %t167, %t165
-  br i1 %t168, label %for.body3260, label %for.end3262
-for.body3260:
-  %t169 = load ptr, ptr %a1
-  %t170 = icmp eq ptr %t169, null
-  br i1 %t170, label %panic3263, label %ok3264
-panic3263:
-  call void @finch_panic(ptr @.str.2098, i64 1312, ptr @.str.2099)
+ok3469:
+  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 0
+  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
+  %t169 = load i64, ptr %t168
+  store i64 0, ptr %a170
+  br label %for.cond3470
+for.cond3470:
+  %t171 = load i64, ptr %a170
+  %t172 = icmp slt i64 %t171, %t169
+  br i1 %t172, label %for.body3471, label %for.end3473
+for.body3471:
+  %t173 = load ptr, ptr %a1
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic3474, label %ok3475
+panic3474:
+  call void @finch_panic(ptr @.str.2183, i64 1460, ptr @.str.2184)
   unreachable
-ok3264:
-  %t171 = getelementptr inbounds %S.gen.Gen, ptr %t169, i32 0, i32 0
-  %t172 = load i64, ptr %a166
-  %t173 = load { ptr, i64, i64 }, ptr %t171
-  %t174 = extractvalue { ptr, i64, i64 } %t173, 1
-  %t175 = icmp uge i64 %t172, %t174
-  br i1 %t175, label %range3265, label %inrange3266
-range3265:
-  call void @finch_panic_index(ptr @.str.2100, i64 1312, i64 %t172, i64 %t174)
+ok3475:
+  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 0
+  %t176 = load i64, ptr %a170
+  %t177 = load { ptr, i64, i64 }, ptr %t175
+  %t178 = extractvalue { ptr, i64, i64 } %t177, 1
+  %t179 = icmp uge i64 %t176, %t178
+  br i1 %t179, label %range3476, label %inrange3477
+range3476:
+  call void @finch_panic_index(ptr @.str.2185, i64 1460, i64 %t176, i64 %t178)
   unreachable
-inrange3266:
-  %t176 = extractvalue { ptr, i64, i64 } %t173, 0
-  %t177 = getelementptr inbounds %S.ast.Program, ptr %t176, i64 %t172
-  %t178 = getelementptr inbounds %S.ast.Program, ptr %t177, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
-  %t180 = load ptr, ptr %a1
-  %t181 = icmp eq ptr %t180, null
-  br i1 %t181, label %panic3267, label %ok3268
-panic3267:
-  call void @finch_panic(ptr @.str.2101, i64 1312, ptr @.str.2102)
+inrange3477:
+  %t180 = extractvalue { ptr, i64, i64 } %t177, 0
+  %t181 = getelementptr inbounds %S.ast.Program, ptr %t180, i64 %t176
+  %t182 = getelementptr inbounds %S.ast.Program, ptr %t181, i32 0, i32 0
+  %t183 = load { ptr, i64, i64 }, ptr %t182
+  %t184 = load ptr, ptr %a1
+  %t185 = icmp eq ptr %t184, null
+  br i1 %t185, label %panic3478, label %ok3479
+panic3478:
+  call void @finch_panic(ptr @.str.2186, i64 1460, ptr @.str.2187)
   unreachable
-ok3268:
-  %t182 = getelementptr inbounds %S.gen.Gen, ptr %t180, i32 0, i32 13
-  store { ptr, i64, i64 } %t179, ptr %a183
-  call void @finch_str_copy(ptr %a184, ptr %a183)
-  %t185 = load { ptr, i64, i64 }, ptr %a184
-  store { ptr, i64, i64 } %t185, ptr %t182
-  %t186 = load ptr, ptr %a1
-  %t187 = icmp eq ptr %t186, null
-  br i1 %t187, label %panic3269, label %ok3270
-panic3269:
-  call void @finch_panic(ptr @.str.2103, i64 1313, ptr @.str.2104)
+ok3479:
+  %t186 = getelementptr inbounds %S.gen.Gen, ptr %t184, i32 0, i32 14
+  store { ptr, i64, i64 } %t183, ptr %a187
+  call void @finch_str_copy(ptr %a188, ptr %a187)
+  %t189 = load { ptr, i64, i64 }, ptr %a188
+  %t190 = load { ptr, i64, i64 }, ptr %t186
+  store { ptr, i64, i64 } %t189, ptr %t186
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load ptr, ptr %a1
+  %t193 = icmp eq ptr %t192, null
+  br i1 %t193, label %panic3480, label %ok3481
+panic3480:
+  call void @finch_panic(ptr @.str.2188, i64 1461, ptr @.str.2189)
   unreachable
-ok3270:
-  %t188 = getelementptr inbounds %S.gen.Gen, ptr %t186, i32 0, i32 0
-  %t189 = load i64, ptr %a166
-  %t190 = load { ptr, i64, i64 }, ptr %t188
-  %t191 = extractvalue { ptr, i64, i64 } %t190, 1
-  %t192 = icmp uge i64 %t189, %t191
-  br i1 %t192, label %range3271, label %inrange3272
-range3271:
-  call void @finch_panic_index(ptr @.str.2105, i64 1313, i64 %t189, i64 %t191)
+ok3481:
+  %t194 = getelementptr inbounds %S.gen.Gen, ptr %t192, i32 0, i32 0
+  %t195 = load i64, ptr %a170
+  %t196 = load { ptr, i64, i64 }, ptr %t194
+  %t197 = extractvalue { ptr, i64, i64 } %t196, 1
+  %t198 = icmp uge i64 %t195, %t197
+  br i1 %t198, label %range3482, label %inrange3483
+range3482:
+  call void @finch_panic_index(ptr @.str.2190, i64 1461, i64 %t195, i64 %t197)
   unreachable
-inrange3272:
-  %t193 = extractvalue { ptr, i64, i64 } %t190, 0
-  %t194 = getelementptr inbounds %S.ast.Program, ptr %t193, i64 %t189
-  %t195 = getelementptr inbounds %S.ast.Program, ptr %t194, i32 0, i32 7
-  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %t195, i32 0, i32 1
-  %t197 = load i64, ptr %t196
-  store i64 0, ptr %a198
-  br label %for.cond3273
-for.cond3273:
-  %t199 = load i64, ptr %a198
-  %t200 = icmp slt i64 %t199, %t197
-  br i1 %t200, label %for.body3274, label %for.end3276
-for.body3274:
-  %t201 = load ptr, ptr %a1
-  %t202 = icmp eq ptr %t201, null
-  br i1 %t202, label %panic3277, label %ok3278
-panic3277:
-  call void @finch_panic(ptr @.str.2106, i64 1314, ptr @.str.2107)
+inrange3483:
+  %t199 = extractvalue { ptr, i64, i64 } %t196, 0
+  %t200 = getelementptr inbounds %S.ast.Program, ptr %t199, i64 %t195
+  %t201 = getelementptr inbounds %S.ast.Program, ptr %t200, i32 0, i32 7
+  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i32 0, i32 1
+  %t203 = load i64, ptr %t202
+  store i64 0, ptr %a204
+  br label %for.cond3484
+for.cond3484:
+  %t205 = load i64, ptr %a204
+  %t206 = icmp slt i64 %t205, %t203
+  br i1 %t206, label %for.body3485, label %for.end3487
+for.body3485:
+  %t207 = load ptr, ptr %a1
+  %t208 = icmp eq ptr %t207, null
+  br i1 %t208, label %panic3488, label %ok3489
+panic3488:
+  call void @finch_panic(ptr @.str.2191, i64 1462, ptr @.str.2192)
   unreachable
-ok3278:
-  %t203 = getelementptr inbounds %S.gen.Gen, ptr %t201, i32 0, i32 0
-  %t204 = load i64, ptr %a166
-  %t205 = load { ptr, i64, i64 }, ptr %t203
-  %t206 = extractvalue { ptr, i64, i64 } %t205, 1
-  %t207 = icmp uge i64 %t204, %t206
-  br i1 %t207, label %range3279, label %inrange3280
-range3279:
-  call void @finch_panic_index(ptr @.str.2108, i64 1314, i64 %t204, i64 %t206)
+ok3489:
+  %t209 = getelementptr inbounds %S.gen.Gen, ptr %t207, i32 0, i32 0
+  %t210 = load i64, ptr %a170
+  %t211 = load { ptr, i64, i64 }, ptr %t209
+  %t212 = extractvalue { ptr, i64, i64 } %t211, 1
+  %t213 = icmp uge i64 %t210, %t212
+  br i1 %t213, label %range3490, label %inrange3491
+range3490:
+  call void @finch_panic_index(ptr @.str.2193, i64 1462, i64 %t210, i64 %t212)
   unreachable
-inrange3280:
-  %t208 = extractvalue { ptr, i64, i64 } %t205, 0
-  %t209 = getelementptr inbounds %S.ast.Program, ptr %t208, i64 %t204
-  %t210 = getelementptr inbounds %S.ast.Program, ptr %t209, i32 0, i32 7
-  %t211 = load i64, ptr %a198
-  %t212 = load { ptr, i64, i64 }, ptr %t210
-  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
-  %t214 = icmp uge i64 %t211, %t213
-  br i1 %t214, label %range3281, label %inrange3282
-range3281:
-  call void @finch_panic_index(ptr @.str.2109, i64 1314, i64 %t211, i64 %t213)
+inrange3491:
+  %t214 = extractvalue { ptr, i64, i64 } %t211, 0
+  %t215 = getelementptr inbounds %S.ast.Program, ptr %t214, i64 %t210
+  %t216 = getelementptr inbounds %S.ast.Program, ptr %t215, i32 0, i32 7
+  %t217 = load i64, ptr %a204
+  %t218 = load { ptr, i64, i64 }, ptr %t216
+  %t219 = extractvalue { ptr, i64, i64 } %t218, 1
+  %t220 = icmp uge i64 %t217, %t219
+  br i1 %t220, label %range3492, label %inrange3493
+range3492:
+  call void @finch_panic_index(ptr @.str.2194, i64 1462, i64 %t217, i64 %t219)
   unreachable
-inrange3282:
-  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
-  %t216 = getelementptr inbounds %S.ast.Node, ptr %t215, i64 %t211
-  %t217 = load %S.ast.Node, ptr %t216
-  store %S.ast.Node %t217, ptr %a218
-  call void @finch.copy.S_ast_Node(ptr %a219, ptr %a218)
-  %t220 = load %S.ast.Node, ptr %a219
-  store %S.ast.Node %t220, ptr %a221
-  %t222 = load ptr, ptr %a1
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic3283, label %ok3284
-panic3283:
-  call void @finch_panic(ptr @.str.2110, i64 1315, ptr @.str.2111)
+inrange3493:
+  %t221 = extractvalue { ptr, i64, i64 } %t218, 0
+  %t222 = getelementptr inbounds %S.ast.Node, ptr %t221, i64 %t217
+  %t223 = load %S.ast.Node, ptr %t222
+  store %S.ast.Node %t223, ptr %a224
+  call void @finch.copy.S_ast_Node(ptr %a225, ptr %a224)
+  %t226 = load %S.ast.Node, ptr %a225
+  store %S.ast.Node %t226, ptr %a227
+  %t228 = load ptr, ptr %a1
+  %t229 = load ptr, ptr %a1
+  %t230 = icmp eq ptr %t229, null
+  br i1 %t230, label %panic3494, label %ok3495
+panic3494:
+  call void @finch_panic(ptr @.str.2195, i64 1463, ptr @.str.2196)
   unreachable
-ok3284:
-  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 13
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  %t227 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t228 = load { ptr, i64, i64 }, ptr %t227
-  %t229 = call i64 @finch.gen.findEnum(ptr %t222, { ptr, i64, i64 } %t226, { ptr, i64, i64 } %t228)
-  %t230 = icmp sge i64 %t229, 0
-  br label %logic.from3285
-logic.from3285:
-  br i1 %t230, label %logic.end3287, label %logic.rhs3286
-logic.rhs3286:
-  %t231 = load ptr, ptr %a1
-  %t232 = load ptr, ptr %a1
-  %t233 = icmp eq ptr %t232, null
-  br i1 %t233, label %panic3288, label %ok3289
-panic3288:
-  call void @finch_panic(ptr @.str.2112, i64 1315, ptr @.str.2113)
+ok3495:
+  %t231 = getelementptr inbounds %S.gen.Gen, ptr %t229, i32 0, i32 14
+  %t232 = load { ptr, i64, i64 }, ptr %t231
+  %t233 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t234 = load { ptr, i64, i64 }, ptr %t233
+  %t235 = call i64 @finch.gen.findEnum(ptr %t228, { ptr, i64, i64 } %t232, { ptr, i64, i64 } %t234)
+  %t236 = icmp sge i64 %t235, 0
+  br label %logic.from3496
+logic.from3496:
+  br i1 %t236, label %logic.end3498, label %logic.rhs3497
+logic.rhs3497:
+  %t237 = load ptr, ptr %a1
+  %t238 = load ptr, ptr %a1
+  %t239 = icmp eq ptr %t238, null
+  br i1 %t239, label %panic3499, label %ok3500
+panic3499:
+  call void @finch_panic(ptr @.str.2197, i64 1463, ptr @.str.2198)
   unreachable
-ok3289:
-  %t234 = getelementptr inbounds %S.gen.Gen, ptr %t232, i32 0, i32 13
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  %t236 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t237 = load { ptr, i64, i64 }, ptr %t236
-  %t238 = call i64 @finch.gen.findStruct(ptr %t231, { ptr, i64, i64 } %t235, { ptr, i64, i64 } %t237)
-  %t239 = icmp sge i64 %t238, 0
-  br label %logic.rend3290
-logic.rend3290:
-  br label %logic.end3287
-logic.end3287:
-  %t240 = phi i1 [ true, %logic.from3285 ], [ %t239, %logic.rend3290 ]
-  br i1 %t240, label %then3291, label %endif3293
-then3291:
-  %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Node, ptr %a221
-  %t243 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t244 = load { ptr, i64, i64 }, ptr %t243
-  store { ptr, i64, i64 } { ptr @.str.2114, i64 1, i64 0 }, ptr %a246
-  store { ptr, i64, i64 } %t244, ptr %a247
-  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
-  %t248 = load { ptr, i64, i64 }, ptr %a245
-  store { ptr, i64, i64 } %t248, ptr %a250
-  store { ptr, i64, i64 } { ptr @.str.2115, i64 18, i64 0 }, ptr %a251
-  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  call void @finch.gen.fail(ptr %t241, %S.ast.Node %t242, { ptr, i64, i64 } %t252)
-  br label %endif3293
-endif3293:
-  %t253 = load ptr, ptr %a1
-  %t254 = icmp eq ptr %t253, null
-  br i1 %t254, label %panic3294, label %ok3295
-panic3294:
-  call void @finch_panic(ptr @.str.2116, i64 1318, ptr @.str.2117)
+ok3500:
+  %t240 = getelementptr inbounds %S.gen.Gen, ptr %t238, i32 0, i32 14
+  %t241 = load { ptr, i64, i64 }, ptr %t240
+  %t242 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t243 = load { ptr, i64, i64 }, ptr %t242
+  %t244 = call i64 @finch.gen.findStruct(ptr %t237, { ptr, i64, i64 } %t241, { ptr, i64, i64 } %t243)
+  %t245 = icmp sge i64 %t244, 0
+  br label %logic.rend3501
+logic.rend3501:
+  br label %logic.end3498
+logic.end3498:
+  %t246 = phi i1 [ true, %logic.from3496 ], [ %t245, %logic.rend3501 ]
+  br i1 %t246, label %then3502, label %endif3504
+then3502:
+  %t247 = load ptr, ptr %a1
+  %t248 = load %S.ast.Node, ptr %a227
+  %t249 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  store { ptr, i64, i64 } { ptr @.str.2199, i64 1, i64 0 }, ptr %a252
+  store { ptr, i64, i64 } %t250, ptr %a253
+  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a251
+  store { ptr, i64, i64 } %t254, ptr %a256
+  store { ptr, i64, i64 } { ptr @.str.2200, i64 18, i64 0 }, ptr %a257
+  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
+  store { ptr, i64, i64 } %t254, ptr %a258
+  call void @finch_str_drop(ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a255
+  call void @finch.gen.fail(ptr %t247, %S.ast.Node %t248, { ptr, i64, i64 } %t259)
+  store { ptr, i64, i64 } %t259, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  br label %endif3504
+endif3504:
+  %t261 = load ptr, ptr %a1
+  %t262 = icmp eq ptr %t261, null
+  br i1 %t262, label %panic3505, label %ok3506
+panic3505:
+  call void @finch_panic(ptr @.str.2201, i64 1466, ptr @.str.2202)
   unreachable
-ok3295:
-  %t255 = getelementptr inbounds %S.gen.Gen, ptr %t253, i32 0, i32 13
-  %t256 = load { ptr, i64, i64 }, ptr %t255
-  store { ptr, i64, i64 } %t256, ptr %a257
-  call void @finch_str_copy(ptr %a258, ptr %a257)
-  %t259 = load { ptr, i64, i64 }, ptr %a258
-  %t260 = insertvalue %S.gen.EnumDef zeroinitializer, { ptr, i64, i64 } %t259, 0
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t262 = load { ptr, i64, i64 }, ptr %t261
-  store { ptr, i64, i64 } %t262, ptr %a263
-  call void @finch_str_copy(ptr %a264, ptr %a263)
-  %t265 = load { ptr, i64, i64 }, ptr %a264
-  %t266 = insertvalue %S.gen.EnumDef %t260, { ptr, i64, i64 } %t265, 1
-  store %S.gen.EnumDef %t266, ptr %a267
-  store i64 0, ptr %a268
-  %t269 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 9
-  store i64 0, ptr %a270
-  br label %each.cond3296
-each.cond3296:
-  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i32 0, i32 1
-  %t272 = load i64, ptr %t271
-  %t273 = load i64, ptr %a270
-  %t274 = icmp slt i64 %t273, %t272
-  br i1 %t274, label %each.body3297, label %each.end3299
-each.body3297:
-  %t275 = load ptr, ptr %t269
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %t275, i64 %t273
-  %t277 = load %S.ast.Node, ptr %t276
-  store %S.ast.Node %t277, ptr %a278
-  %t279 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 4
-  %t280 = getelementptr inbounds { ptr, i64, i64 }, ptr %t279, i32 0, i32 1
-  %t281 = load i64, ptr %t280
-  %t282 = icmp sgt i64 %t281, 0
-  br i1 %t282, label %then3300, label %endif3302
-then3300:
-  %t283 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 4
-  %t284 = load { ptr, i64, i64 }, ptr %t283
-  store { ptr, i64, i64 } %t284, ptr %a285
-  %t286 = call i64 @finch_str_to_int(ptr %a285, ptr @.str.2118, i64 1322)
-  store i64 %t286, ptr %a268
-  br label %endif3302
-endif3302:
-  %t287 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 2
+ok3506:
+  %t263 = getelementptr inbounds %S.gen.Gen, ptr %t261, i32 0, i32 14
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  store { ptr, i64, i64 } %t264, ptr %a265
+  call void @finch_str_copy(ptr %a266, ptr %a265)
+  %t267 = load { ptr, i64, i64 }, ptr %a266
+  %t268 = insertvalue %S.gen.EnumDef zeroinitializer, { ptr, i64, i64 } %t267, 0
+  %t269 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t270 = load { ptr, i64, i64 }, ptr %t269
+  store { ptr, i64, i64 } %t270, ptr %a271
+  call void @finch_str_copy(ptr %a272, ptr %a271)
+  %t273 = load { ptr, i64, i64 }, ptr %a272
+  %t274 = insertvalue %S.gen.EnumDef %t268, { ptr, i64, i64 } %t273, 1
+  store %S.gen.EnumDef %t274, ptr %a275
+  store i64 0, ptr %a276
+  %t277 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 9
+  store i64 0, ptr %a278
+  br label %each.cond3507
+each.cond3507:
+  %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t277, i32 0, i32 1
+  %t280 = load i64, ptr %t279
+  %t281 = load i64, ptr %a278
+  %t282 = icmp slt i64 %t281, %t280
+  br i1 %t282, label %each.body3508, label %each.end3510
+each.body3508:
+  %t283 = load ptr, ptr %t277
+  %t284 = getelementptr inbounds %S.ast.Node, ptr %t283, i64 %t281
+  %t285 = load %S.ast.Node, ptr %t284
+  store %S.ast.Node %t285, ptr %a286
+  %t287 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 4
   %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i32 0, i32 1
-  %t289 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 1
-  %t290 = load { ptr, i64, i64 }, ptr %t289
-  store i64 -1, ptr %a291
-  %t292 = load i64, ptr %t288
-  %t293 = load ptr, ptr %t287
-  store i64 0, ptr %a294
-  br label %find.cond3303
-find.cond3303:
-  %t295 = load i64, ptr %a294
-  %t296 = icmp slt i64 %t295, %t292
-  br i1 %t296, label %find.body3304, label %find.end3307
-find.body3304:
-  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t293, i64 %t295
+  %t289 = load i64, ptr %t288
+  %t290 = icmp sgt i64 %t289, 0
+  br i1 %t290, label %then3511, label %endif3513
+then3511:
+  %t291 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 4
+  %t292 = load { ptr, i64, i64 }, ptr %t291
+  store { ptr, i64, i64 } %t292, ptr %a293
+  %t294 = call i64 @finch_str_to_int(ptr %a293, ptr @.str.2203, i64 1470)
+  store i64 %t294, ptr %a276
+  br label %endif3513
+endif3513:
+  %t295 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 2
+  %t296 = getelementptr inbounds { ptr, i64, i64 }, ptr %t295, i32 0, i32 1
+  %t297 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 1
   %t298 = load { ptr, i64, i64 }, ptr %t297
-  store { ptr, i64, i64 } %t298, ptr %a299
-  store { ptr, i64, i64 } %t290, ptr %a300
-  %t301 = call i32 @finch_str_eq(ptr %a299, ptr %a300)
-  %t302 = icmp ne i32 %t301, 0
-  br i1 %t302, label %find.hit3305, label %find.next3306
-find.hit3305:
-  store i64 %t295, ptr %a291
-  br label %find.end3307
-find.next3306:
-  %t303 = add i64 %t295, 1
-  store i64 %t303, ptr %a294
-  br label %find.cond3303
-find.end3307:
-  %t304 = load i64, ptr %a291
-  %t305 = icmp sge i64 %t304, 0
-  br i1 %t305, label %then3308, label %endif3310
-then3308:
-  %t306 = load ptr, ptr %a1
-  %t307 = load %S.ast.Node, ptr %a278
-  %t308 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t309 = load { ptr, i64, i64 }, ptr %t308
-  store { ptr, i64, i64 } { ptr @.str.2119, i64 9, i64 0 }, ptr %a311
-  store { ptr, i64, i64 } %t309, ptr %a312
-  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
-  %t313 = load { ptr, i64, i64 }, ptr %a310
-  store { ptr, i64, i64 } %t313, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.2120, i64 17, i64 0 }, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  %t318 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 1
-  %t319 = load { ptr, i64, i64 }, ptr %t318
-  store { ptr, i64, i64 } %t317, ptr %a321
-  store { ptr, i64, i64 } %t319, ptr %a322
-  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
-  %t323 = load { ptr, i64, i64 }, ptr %a320
-  store { ptr, i64, i64 } %t323, ptr %a325
-  store { ptr, i64, i64 } { ptr @.str.2121, i64 6, i64 0 }, ptr %a326
-  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
-  %t327 = load { ptr, i64, i64 }, ptr %a324
-  call void @finch.gen.fail(ptr %t306, %S.ast.Node %t307, { ptr, i64, i64 } %t327)
-  br label %endif3310
-endif3310:
-  %t328 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 3
-  %t329 = getelementptr inbounds { ptr, i64, i64 }, ptr %t328, i32 0, i32 1
-  %t330 = load i64, ptr %a268
-  store i64 -1, ptr %a331
-  %t332 = load i64, ptr %t329
-  %t333 = load ptr, ptr %t328
-  store i64 0, ptr %a334
-  br label %find.cond3311
-find.cond3311:
-  %t335 = load i64, ptr %a334
-  %t336 = icmp slt i64 %t335, %t332
-  br i1 %t336, label %find.body3312, label %find.end3315
-find.body3312:
-  %t337 = getelementptr inbounds i64, ptr %t333, i64 %t335
-  %t338 = load i64, ptr %t337
-  %t339 = icmp eq i64 %t338, %t330
-  br i1 %t339, label %find.hit3313, label %find.next3314
-find.hit3313:
-  store i64 %t335, ptr %a331
-  br label %find.end3315
-find.next3314:
-  %t340 = add i64 %t335, 1
-  store i64 %t340, ptr %a334
-  br label %find.cond3311
-find.end3315:
-  %t341 = load i64, ptr %a331
-  %t342 = icmp sge i64 %t341, 0
-  br i1 %t342, label %then3316, label %endif3318
-then3316:
-  %t343 = load ptr, ptr %a1
-  %t344 = load %S.ast.Node, ptr %a278
-  %t345 = getelementptr inbounds %S.ast.Node, ptr %a221, i32 0, i32 1
-  %t346 = load { ptr, i64, i64 }, ptr %t345
-  store { ptr, i64, i64 } { ptr @.str.2122, i64 16, i64 0 }, ptr %a348
-  store { ptr, i64, i64 } %t346, ptr %a349
-  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
-  %t350 = load { ptr, i64, i64 }, ptr %a347
-  store { ptr, i64, i64 } %t350, ptr %a352
-  store { ptr, i64, i64 } { ptr @.str.2123, i64 17, i64 0 }, ptr %a353
-  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
-  %t354 = load { ptr, i64, i64 }, ptr %a351
-  %t355 = load i64, ptr %a268
-  call void @finch_str_from_int(ptr %a356, i64 %t355)
-  %t357 = load { ptr, i64, i64 }, ptr %a356
-  store { ptr, i64, i64 } %t354, ptr %a359
-  store { ptr, i64, i64 } %t357, ptr %a360
-  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
-  %t361 = load { ptr, i64, i64 }, ptr %a358
-  store { ptr, i64, i64 } %t361, ptr %a363
-  store { ptr, i64, i64 } { ptr @.str.2124, i64 20, i64 0 }, ptr %a364
-  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
-  %t365 = load { ptr, i64, i64 }, ptr %a362
-  call void @finch.gen.fail(ptr %t343, %S.ast.Node %t344, { ptr, i64, i64 } %t365)
-  br label %endif3318
-endif3318:
-  %t366 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 2
-  %t367 = getelementptr inbounds { ptr, i64, i64 }, ptr %t366, i32 0, i32 1
-  %t368 = getelementptr inbounds %S.ast.Node, ptr %a278, i32 0, i32 1
-  %t369 = load { ptr, i64, i64 }, ptr %t368
-  store { ptr, i64, i64 } %t369, ptr %a370
-  call void @finch_str_copy(ptr %a371, ptr %a370)
-  %t372 = load { ptr, i64, i64 }, ptr %a371
-  %t373 = load i64, ptr %t367
-  %t374 = add i64 %t373, 1
-  call void @finch_arr_reserve(ptr %t366, i64 %t374, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t375 = load ptr, ptr %t366
-  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t373
-  store { ptr, i64, i64 } %t372, ptr %t376
-  store i64 %t374, ptr %t367
-  %t377 = getelementptr inbounds %S.gen.EnumDef, ptr %a267, i32 0, i32 3
-  %t378 = getelementptr inbounds { ptr, i64, i64 }, ptr %t377, i32 0, i32 1
-  %t379 = load i64, ptr %a268
-  %t380 = load i64, ptr %t378
-  %t381 = add i64 %t380, 1
-  call void @finch_arr_reserve(ptr %t377, i64 %t381, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t382 = load ptr, ptr %t377
-  %t383 = getelementptr inbounds i64, ptr %t382, i64 %t380
-  store i64 %t379, ptr %t383
-  store i64 %t381, ptr %t378
-  %t384 = load i64, ptr %a268
-  %t385 = add i64 %t384, 1
-  store i64 %t385, ptr %a268
-  br label %each.step3298
-each.step3298:
-  %t386 = load i64, ptr %a270
-  %t387 = add i64 %t386, 1
-  store i64 %t387, ptr %a270
-  br label %each.cond3296
-each.end3299:
-  %t388 = load ptr, ptr %a1
-  %t389 = icmp eq ptr %t388, null
-  br i1 %t389, label %panic3319, label %ok3320
-panic3319:
-  call void @finch_panic(ptr @.str.2125, i64 1334, ptr @.str.2126)
+  store i64 -1, ptr %a299
+  %t300 = load i64, ptr %t296
+  %t301 = load ptr, ptr %t295
+  store i64 0, ptr %a302
+  br label %find.cond3514
+find.cond3514:
+  %t303 = load i64, ptr %a302
+  %t304 = icmp slt i64 %t303, %t300
+  br i1 %t304, label %find.body3515, label %find.end3518
+find.body3515:
+  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 %t303
+  %t306 = load { ptr, i64, i64 }, ptr %t305
+  store { ptr, i64, i64 } %t306, ptr %a307
+  store { ptr, i64, i64 } %t298, ptr %a308
+  %t309 = call i32 @finch_str_eq(ptr %a307, ptr %a308)
+  %t310 = icmp ne i32 %t309, 0
+  br i1 %t310, label %find.hit3516, label %find.next3517
+find.hit3516:
+  store i64 %t303, ptr %a299
+  br label %find.end3518
+find.next3517:
+  %t311 = add i64 %t303, 1
+  store i64 %t311, ptr %a302
+  br label %find.cond3514
+find.end3518:
+  %t312 = load i64, ptr %a299
+  %t313 = icmp sge i64 %t312, 0
+  br i1 %t313, label %then3519, label %endif3521
+then3519:
+  %t314 = load ptr, ptr %a1
+  %t315 = load %S.ast.Node, ptr %a286
+  %t316 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t317 = load { ptr, i64, i64 }, ptr %t316
+  store { ptr, i64, i64 } { ptr @.str.2204, i64 9, i64 0 }, ptr %a319
+  store { ptr, i64, i64 } %t317, ptr %a320
+  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
+  %t321 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t321, ptr %a323
+  store { ptr, i64, i64 } { ptr @.str.2205, i64 17, i64 0 }, ptr %a324
+  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
+  store { ptr, i64, i64 } %t321, ptr %a325
+  call void @finch_str_drop(ptr %a325)
+  %t326 = load { ptr, i64, i64 }, ptr %a322
+  %t327 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 1
+  %t328 = load { ptr, i64, i64 }, ptr %t327
+  store { ptr, i64, i64 } %t326, ptr %a330
+  store { ptr, i64, i64 } %t328, ptr %a331
+  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
+  store { ptr, i64, i64 } %t326, ptr %a332
+  call void @finch_str_drop(ptr %a332)
+  %t333 = load { ptr, i64, i64 }, ptr %a329
+  store { ptr, i64, i64 } %t333, ptr %a335
+  store { ptr, i64, i64 } { ptr @.str.2206, i64 6, i64 0 }, ptr %a336
+  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
+  store { ptr, i64, i64 } %t333, ptr %a337
+  call void @finch_str_drop(ptr %a337)
+  %t338 = load { ptr, i64, i64 }, ptr %a334
+  call void @finch.gen.fail(ptr %t314, %S.ast.Node %t315, { ptr, i64, i64 } %t338)
+  store { ptr, i64, i64 } %t338, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  br label %endif3521
+endif3521:
+  %t340 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 3
+  %t341 = getelementptr inbounds { ptr, i64, i64 }, ptr %t340, i32 0, i32 1
+  %t342 = load i64, ptr %a276
+  store i64 -1, ptr %a343
+  %t344 = load i64, ptr %t341
+  %t345 = load ptr, ptr %t340
+  store i64 0, ptr %a346
+  br label %find.cond3522
+find.cond3522:
+  %t347 = load i64, ptr %a346
+  %t348 = icmp slt i64 %t347, %t344
+  br i1 %t348, label %find.body3523, label %find.end3526
+find.body3523:
+  %t349 = getelementptr inbounds i64, ptr %t345, i64 %t347
+  %t350 = load i64, ptr %t349
+  %t351 = icmp eq i64 %t350, %t342
+  br i1 %t351, label %find.hit3524, label %find.next3525
+find.hit3524:
+  store i64 %t347, ptr %a343
+  br label %find.end3526
+find.next3525:
+  %t352 = add i64 %t347, 1
+  store i64 %t352, ptr %a346
+  br label %find.cond3522
+find.end3526:
+  %t353 = load i64, ptr %a343
+  %t354 = icmp sge i64 %t353, 0
+  br i1 %t354, label %then3527, label %endif3529
+then3527:
+  %t355 = load ptr, ptr %a1
+  %t356 = load %S.ast.Node, ptr %a286
+  %t357 = getelementptr inbounds %S.ast.Node, ptr %a227, i32 0, i32 1
+  %t358 = load { ptr, i64, i64 }, ptr %t357
+  store { ptr, i64, i64 } { ptr @.str.2207, i64 16, i64 0 }, ptr %a360
+  store { ptr, i64, i64 } %t358, ptr %a361
+  call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
+  %t362 = load { ptr, i64, i64 }, ptr %a359
+  store { ptr, i64, i64 } %t362, ptr %a364
+  store { ptr, i64, i64 } { ptr @.str.2208, i64 17, i64 0 }, ptr %a365
+  call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
+  store { ptr, i64, i64 } %t362, ptr %a366
+  call void @finch_str_drop(ptr %a366)
+  %t367 = load { ptr, i64, i64 }, ptr %a363
+  %t368 = load i64, ptr %a276
+  call void @finch_str_from_int(ptr %a369, i64 %t368)
+  %t370 = load { ptr, i64, i64 }, ptr %a369
+  store { ptr, i64, i64 } %t367, ptr %a372
+  store { ptr, i64, i64 } %t370, ptr %a373
+  call void @finch_str_concat(ptr %a371, ptr %a372, ptr %a373)
+  store { ptr, i64, i64 } %t367, ptr %a374
+  call void @finch_str_drop(ptr %a374)
+  store { ptr, i64, i64 } %t370, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  %t376 = load { ptr, i64, i64 }, ptr %a371
+  store { ptr, i64, i64 } %t376, ptr %a378
+  store { ptr, i64, i64 } { ptr @.str.2209, i64 20, i64 0 }, ptr %a379
+  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
+  store { ptr, i64, i64 } %t376, ptr %a380
+  call void @finch_str_drop(ptr %a380)
+  %t381 = load { ptr, i64, i64 }, ptr %a377
+  call void @finch.gen.fail(ptr %t355, %S.ast.Node %t356, { ptr, i64, i64 } %t381)
+  store { ptr, i64, i64 } %t381, ptr %a382
+  call void @finch_str_drop(ptr %a382)
+  br label %endif3529
+endif3529:
+  %t383 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 2
+  %t384 = getelementptr inbounds { ptr, i64, i64 }, ptr %t383, i32 0, i32 1
+  %t385 = getelementptr inbounds %S.ast.Node, ptr %a286, i32 0, i32 1
+  %t386 = load { ptr, i64, i64 }, ptr %t385
+  store { ptr, i64, i64 } %t386, ptr %a387
+  call void @finch_str_copy(ptr %a388, ptr %a387)
+  %t389 = load { ptr, i64, i64 }, ptr %a388
+  %t390 = load i64, ptr %t384
+  %t391 = add i64 %t390, 1
+  call void @finch_arr_reserve(ptr %t383, i64 %t391, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t392 = load ptr, ptr %t383
+  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t392, i64 %t390
+  store { ptr, i64, i64 } %t389, ptr %t393
+  store i64 %t391, ptr %t384
+  %t394 = getelementptr inbounds %S.gen.EnumDef, ptr %a275, i32 0, i32 3
+  %t395 = getelementptr inbounds { ptr, i64, i64 }, ptr %t394, i32 0, i32 1
+  %t396 = load i64, ptr %a276
+  %t397 = load i64, ptr %t395
+  %t398 = add i64 %t397, 1
+  call void @finch_arr_reserve(ptr %t394, i64 %t398, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t399 = load ptr, ptr %t394
+  %t400 = getelementptr inbounds i64, ptr %t399, i64 %t397
+  store i64 %t396, ptr %t400
+  store i64 %t398, ptr %t395
+  %t401 = load i64, ptr %a276
+  %t402 = add i64 %t401, 1
+  store i64 %t402, ptr %a276
+  br label %each.step3509
+each.step3509:
+  %t403 = load i64, ptr %a278
+  %t404 = add i64 %t403, 1
+  store i64 %t404, ptr %a278
+  br label %each.cond3507
+each.end3510:
+  %t405 = load ptr, ptr %a1
+  %t406 = icmp eq ptr %t405, null
+  br i1 %t406, label %panic3530, label %ok3531
+panic3530:
+  call void @finch_panic(ptr @.str.2210, i64 1482, ptr @.str.2211)
   unreachable
-ok3320:
-  %t390 = getelementptr inbounds %S.gen.Gen, ptr %t388, i32 0, i32 20
-  %t391 = getelementptr inbounds { ptr, i64, i64 }, ptr %t390, i32 0, i32 1
-  %t392 = load %S.gen.EnumDef, ptr %a267
-  store %S.gen.EnumDef %t392, ptr %a393
-  call void @finch.copy.S_gen_EnumDef(ptr %a394, ptr %a393)
-  %t395 = load %S.gen.EnumDef, ptr %a394
-  %t396 = load i64, ptr %t391
-  %t397 = add i64 %t396, 1
-  call void @finch_arr_reserve(ptr %t390, i64 %t397, i64 ptrtoint (ptr getelementptr (%S.gen.EnumDef, ptr null, i32 1) to i64))
-  %t398 = load ptr, ptr %t390
-  %t399 = getelementptr inbounds %S.gen.EnumDef, ptr %t398, i64 %t396
-  store %S.gen.EnumDef %t395, ptr %t399
-  store i64 %t397, ptr %t391
-  br label %for.step3275
-for.step3275:
-  %t400 = load i64, ptr %a198
-  %t401 = add i64 %t400, 1
-  store i64 %t401, ptr %a198
-  br label %for.cond3273
-for.end3276:
-  br label %for.step3261
-for.step3261:
-  %t402 = load i64, ptr %a166
-  %t403 = add i64 %t402, 1
-  store i64 %t403, ptr %a166
-  br label %for.cond3259
-for.end3262:
-  %t404 = load ptr, ptr %a1
-  %t405 = icmp eq ptr %t404, null
-  br i1 %t405, label %panic3321, label %ok3322
-panic3321:
-  call void @finch_panic(ptr @.str.2127, i64 1337, ptr @.str.2128)
-  unreachable
-ok3322:
-  %t406 = getelementptr inbounds %S.gen.Gen, ptr %t404, i32 0, i32 24
-  %t407 = getelementptr inbounds %S.cimport.CImports, ptr %t406, i32 0, i32 4
+ok3531:
+  %t407 = getelementptr inbounds %S.gen.Gen, ptr %t405, i32 0, i32 21
   %t408 = getelementptr inbounds { ptr, i64, i64 }, ptr %t407, i32 0, i32 1
-  %t409 = load i64, ptr %t408
-  store i64 0, ptr %a410
-  br label %for.cond3323
-for.cond3323:
-  %t411 = load i64, ptr %a410
-  %t412 = icmp slt i64 %t411, %t409
-  br i1 %t412, label %for.body3324, label %for.end3326
-for.body3324:
-  %t413 = load ptr, ptr %a1
-  %t414 = icmp eq ptr %t413, null
-  br i1 %t414, label %panic3327, label %ok3328
-panic3327:
-  call void @finch_panic(ptr @.str.2129, i64 1338, ptr @.str.2130)
+  %t409 = load %S.gen.EnumDef, ptr %a275
+  store %S.gen.EnumDef %t409, ptr %a410
+  call void @finch.copy.S_gen_EnumDef(ptr %a411, ptr %a410)
+  %t412 = load %S.gen.EnumDef, ptr %a411
+  %t413 = load i64, ptr %t408
+  %t414 = add i64 %t413, 1
+  call void @finch_arr_reserve(ptr %t407, i64 %t414, i64 ptrtoint (ptr getelementptr (%S.gen.EnumDef, ptr null, i32 1) to i64))
+  %t415 = load ptr, ptr %t407
+  %t416 = getelementptr inbounds %S.gen.EnumDef, ptr %t415, i64 %t413
+  store %S.gen.EnumDef %t412, ptr %t416
+  store i64 %t414, ptr %t408
+  call void @finch.drop.S_gen_EnumDef(ptr %a275)
+  call void @finch.drop.S_ast_Node(ptr %a227)
+  br label %for.step3486
+for.step3486:
+  %t417 = load i64, ptr %a204
+  %t418 = add i64 %t417, 1
+  store i64 %t418, ptr %a204
+  br label %for.cond3484
+for.end3487:
+  br label %for.step3472
+for.step3472:
+  %t419 = load i64, ptr %a170
+  %t420 = add i64 %t419, 1
+  store i64 %t420, ptr %a170
+  br label %for.cond3470
+for.end3473:
+  %t421 = load ptr, ptr %a1
+  %t422 = icmp eq ptr %t421, null
+  br i1 %t422, label %panic3532, label %ok3533
+panic3532:
+  call void @finch_panic(ptr @.str.2212, i64 1485, ptr @.str.2213)
   unreachable
-ok3328:
-  %t415 = getelementptr inbounds %S.gen.Gen, ptr %t413, i32 0, i32 15
-  %t416 = getelementptr inbounds { ptr, i64, i64 }, ptr %t415, i32 0, i32 1
-  %t417 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } { ptr @.str.2131, i64 1, i64 0 }, 0
-  %t418 = load ptr, ptr %a1
-  %t419 = icmp eq ptr %t418, null
-  br i1 %t419, label %panic3329, label %ok3330
-panic3329:
-  call void @finch_panic(ptr @.str.2132, i64 1338, ptr @.str.2133)
+ok3533:
+  %t423 = getelementptr inbounds %S.gen.Gen, ptr %t421, i32 0, i32 25
+  %t424 = getelementptr inbounds %S.cimport.CImports, ptr %t423, i32 0, i32 4
+  %t425 = getelementptr inbounds { ptr, i64, i64 }, ptr %t424, i32 0, i32 1
+  %t426 = load i64, ptr %t425
+  store i64 0, ptr %a427
+  br label %for.cond3534
+for.cond3534:
+  %t428 = load i64, ptr %a427
+  %t429 = icmp slt i64 %t428, %t426
+  br i1 %t429, label %for.body3535, label %for.end3537
+for.body3535:
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic3538, label %ok3539
+panic3538:
+  call void @finch_panic(ptr @.str.2214, i64 1486, ptr @.str.2215)
   unreachable
-ok3330:
-  %t420 = getelementptr inbounds %S.gen.Gen, ptr %t418, i32 0, i32 24
-  %t421 = getelementptr inbounds %S.cimport.CImports, ptr %t420, i32 0, i32 4
-  %t422 = load i64, ptr %a410
-  %t423 = load { ptr, i64, i64 }, ptr %t421
-  %t424 = extractvalue { ptr, i64, i64 } %t423, 1
-  %t425 = icmp uge i64 %t422, %t424
-  br i1 %t425, label %range3331, label %inrange3332
-range3331:
-  call void @finch_panic_index(ptr @.str.2134, i64 1338, i64 %t422, i64 %t424)
+ok3539:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 16
+  %t433 = getelementptr inbounds { ptr, i64, i64 }, ptr %t432, i32 0, i32 1
+  %t434 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } { ptr @.str.2216, i64 1, i64 0 }, 0
+  %t435 = load ptr, ptr %a1
+  %t436 = icmp eq ptr %t435, null
+  br i1 %t436, label %panic3540, label %ok3541
+panic3540:
+  call void @finch_panic(ptr @.str.2217, i64 1486, ptr @.str.2218)
   unreachable
-inrange3332:
-  %t426 = extractvalue { ptr, i64, i64 } %t423, 0
-  %t427 = getelementptr inbounds { ptr, i64, i64 }, ptr %t426, i64 %t422
-  %t428 = load { ptr, i64, i64 }, ptr %t427
-  store { ptr, i64, i64 } %t428, ptr %a429
-  call void @finch_str_copy(ptr %a430, ptr %a429)
-  %t431 = load { ptr, i64, i64 }, ptr %a430
-  %t432 = insertvalue %S.gen.StructDef %t417, { ptr, i64, i64 } %t431, 1
-  %t433 = insertvalue %S.gen.StructDef %t432, i1 true, 2
-  %t434 = insertvalue %S.gen.StructDef %t433, i64 -1, 13
-  %t435 = load i64, ptr %a410
-  %t436 = insertvalue %S.gen.StructDef %t434, i64 %t435, 14
-  %t437 = load i64, ptr %t416
-  %t438 = add i64 %t437, 1
-  call void @finch_arr_reserve(ptr %t415, i64 %t438, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
-  %t439 = load ptr, ptr %t415
-  %t440 = getelementptr inbounds %S.gen.StructDef, ptr %t439, i64 %t437
-  store %S.gen.StructDef %t436, ptr %t440
-  store i64 %t438, ptr %t416
-  br label %for.step3325
-for.step3325:
-  %t441 = load i64, ptr %a410
-  %t442 = add i64 %t441, 1
-  store i64 %t442, ptr %a410
-  br label %for.cond3323
-for.end3326:
-  %t443 = load ptr, ptr %a1
-  %t444 = icmp eq ptr %t443, null
-  br i1 %t444, label %panic3333, label %ok3334
-panic3333:
-  call void @finch_panic(ptr @.str.2135, i64 1340, ptr @.str.2136)
+ok3541:
+  %t437 = getelementptr inbounds %S.gen.Gen, ptr %t435, i32 0, i32 25
+  %t438 = getelementptr inbounds %S.cimport.CImports, ptr %t437, i32 0, i32 4
+  %t439 = load i64, ptr %a427
+  %t440 = load { ptr, i64, i64 }, ptr %t438
+  %t441 = extractvalue { ptr, i64, i64 } %t440, 1
+  %t442 = icmp uge i64 %t439, %t441
+  br i1 %t442, label %range3542, label %inrange3543
+range3542:
+  call void @finch_panic_index(ptr @.str.2219, i64 1486, i64 %t439, i64 %t441)
   unreachable
-ok3334:
-  %t445 = getelementptr inbounds %S.gen.Gen, ptr %t443, i32 0, i32 15
-  %t446 = getelementptr inbounds { ptr, i64, i64 }, ptr %t445, i32 0, i32 1
-  %t447 = load i64, ptr %t446
-  store i64 0, ptr %a448
-  br label %for.cond3335
-for.cond3335:
-  %t449 = load i64, ptr %a448
-  %t450 = icmp slt i64 %t449, %t447
-  br i1 %t450, label %for.body3336, label %for.end3338
-for.body3336:
-  %t451 = load ptr, ptr %a1
-  %t452 = load i64, ptr %a448
-  call void @finch.gen.resolveStruct(ptr %t451, i64 %t452)
-  br label %for.step3337
-for.step3337:
-  %t453 = load i64, ptr %a448
-  %t454 = add i64 %t453, 1
-  store i64 %t454, ptr %a448
-  br label %for.cond3335
-for.end3338:
-  %t455 = load ptr, ptr %a1
-  %t456 = icmp eq ptr %t455, null
-  br i1 %t456, label %panic3339, label %ok3340
-panic3339:
-  call void @finch_panic(ptr @.str.2137, i64 1343, ptr @.str.2138)
+inrange3543:
+  %t443 = extractvalue { ptr, i64, i64 } %t440, 0
+  %t444 = getelementptr inbounds { ptr, i64, i64 }, ptr %t443, i64 %t439
+  %t445 = load { ptr, i64, i64 }, ptr %t444
+  store { ptr, i64, i64 } %t445, ptr %a446
+  call void @finch_str_copy(ptr %a447, ptr %a446)
+  %t448 = load { ptr, i64, i64 }, ptr %a447
+  %t449 = insertvalue %S.gen.StructDef %t434, { ptr, i64, i64 } %t448, 1
+  %t450 = insertvalue %S.gen.StructDef %t449, i1 true, 2
+  %t451 = insertvalue %S.gen.StructDef %t450, i64 -1, 13
+  %t452 = load i64, ptr %a427
+  %t453 = insertvalue %S.gen.StructDef %t451, i64 %t452, 14
+  %t454 = load i64, ptr %t433
+  %t455 = add i64 %t454, 1
+  call void @finch_arr_reserve(ptr %t432, i64 %t455, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
+  %t456 = load ptr, ptr %t432
+  %t457 = getelementptr inbounds %S.gen.StructDef, ptr %t456, i64 %t454
+  store %S.gen.StructDef %t453, ptr %t457
+  store i64 %t455, ptr %t433
+  br label %for.step3536
+for.step3536:
+  %t458 = load i64, ptr %a427
+  %t459 = add i64 %t458, 1
+  store i64 %t459, ptr %a427
+  br label %for.cond3534
+for.end3537:
+  %t460 = load ptr, ptr %a1
+  %t461 = icmp eq ptr %t460, null
+  br i1 %t461, label %panic3544, label %ok3545
+panic3544:
+  call void @finch_panic(ptr @.str.2220, i64 1488, ptr @.str.2221)
   unreachable
-ok3340:
-  %t457 = getelementptr inbounds %S.gen.Gen, ptr %t455, i32 0, i32 0
-  %t458 = getelementptr inbounds { ptr, i64, i64 }, ptr %t457, i32 0, i32 1
-  %t459 = load i64, ptr %t458
-  store i64 0, ptr %a460
-  br label %for.cond3341
-for.cond3341:
-  %t461 = load i64, ptr %a460
-  %t462 = icmp slt i64 %t461, %t459
-  br i1 %t462, label %for.body3342, label %for.end3344
-for.body3342:
-  %t463 = load ptr, ptr %a1
-  %t464 = icmp eq ptr %t463, null
-  br i1 %t464, label %panic3345, label %ok3346
-panic3345:
-  call void @finch_panic(ptr @.str.2139, i64 1344, ptr @.str.2140)
+ok3545:
+  %t462 = getelementptr inbounds %S.gen.Gen, ptr %t460, i32 0, i32 16
+  %t463 = getelementptr inbounds { ptr, i64, i64 }, ptr %t462, i32 0, i32 1
+  %t464 = load i64, ptr %t463
+  store i64 0, ptr %a465
+  br label %for.cond3546
+for.cond3546:
+  %t466 = load i64, ptr %a465
+  %t467 = icmp slt i64 %t466, %t464
+  br i1 %t467, label %for.body3547, label %for.end3549
+for.body3547:
+  %t468 = load ptr, ptr %a1
+  %t469 = load i64, ptr %a465
+  call void @finch.gen.resolveStruct(ptr %t468, i64 %t469)
+  br label %for.step3548
+for.step3548:
+  %t470 = load i64, ptr %a465
+  %t471 = add i64 %t470, 1
+  store i64 %t471, ptr %a465
+  br label %for.cond3546
+for.end3549:
+  %t472 = load ptr, ptr %a1
+  %t473 = icmp eq ptr %t472, null
+  br i1 %t473, label %panic3550, label %ok3551
+panic3550:
+  call void @finch_panic(ptr @.str.2222, i64 1491, ptr @.str.2223)
   unreachable
-ok3346:
-  %t465 = getelementptr inbounds %S.gen.Gen, ptr %t463, i32 0, i32 0
-  %t466 = load i64, ptr %a460
-  %t467 = load { ptr, i64, i64 }, ptr %t465
-  %t468 = extractvalue { ptr, i64, i64 } %t467, 1
-  %t469 = icmp uge i64 %t466, %t468
-  br i1 %t469, label %range3347, label %inrange3348
-range3347:
-  call void @finch_panic_index(ptr @.str.2141, i64 1344, i64 %t466, i64 %t468)
-  unreachable
-inrange3348:
-  %t470 = extractvalue { ptr, i64, i64 } %t467, 0
-  %t471 = getelementptr inbounds %S.ast.Program, ptr %t470, i64 %t466
-  %t472 = getelementptr inbounds %S.ast.Program, ptr %t471, i32 0, i32 0
-  %t473 = load { ptr, i64, i64 }, ptr %t472
-  %t474 = load ptr, ptr %a1
-  %t475 = icmp eq ptr %t474, null
-  br i1 %t475, label %panic3349, label %ok3350
-panic3349:
-  call void @finch_panic(ptr @.str.2142, i64 1344, ptr @.str.2143)
-  unreachable
-ok3350:
-  %t476 = getelementptr inbounds %S.gen.Gen, ptr %t474, i32 0, i32 13
-  store { ptr, i64, i64 } %t473, ptr %a477
-  call void @finch_str_copy(ptr %a478, ptr %a477)
-  %t479 = load { ptr, i64, i64 }, ptr %a478
-  store { ptr, i64, i64 } %t479, ptr %t476
+ok3551:
+  %t474 = getelementptr inbounds %S.gen.Gen, ptr %t472, i32 0, i32 0
+  %t475 = getelementptr inbounds { ptr, i64, i64 }, ptr %t474, i32 0, i32 1
+  %t476 = load i64, ptr %t475
+  store i64 0, ptr %a477
+  br label %for.cond3552
+for.cond3552:
+  %t478 = load i64, ptr %a477
+  %t479 = icmp slt i64 %t478, %t476
+  br i1 %t479, label %for.body3553, label %for.end3555
+for.body3553:
   %t480 = load ptr, ptr %a1
   %t481 = icmp eq ptr %t480, null
-  br i1 %t481, label %panic3351, label %ok3352
-panic3351:
-  call void @finch_panic(ptr @.str.2144, i64 1345, ptr @.str.2145)
+  br i1 %t481, label %panic3556, label %ok3557
+panic3556:
+  call void @finch_panic(ptr @.str.2224, i64 1492, ptr @.str.2225)
   unreachable
-ok3352:
+ok3557:
   %t482 = getelementptr inbounds %S.gen.Gen, ptr %t480, i32 0, i32 0
-  %t483 = load i64, ptr %a460
+  %t483 = load i64, ptr %a477
   %t484 = load { ptr, i64, i64 }, ptr %t482
   %t485 = extractvalue { ptr, i64, i64 } %t484, 1
   %t486 = icmp uge i64 %t483, %t485
-  br i1 %t486, label %range3353, label %inrange3354
-range3353:
-  call void @finch_panic_index(ptr @.str.2146, i64 1345, i64 %t483, i64 %t485)
+  br i1 %t486, label %range3558, label %inrange3559
+range3558:
+  call void @finch_panic_index(ptr @.str.2226, i64 1492, i64 %t483, i64 %t485)
   unreachable
-inrange3354:
+inrange3559:
   %t487 = extractvalue { ptr, i64, i64 } %t484, 0
   %t488 = getelementptr inbounds %S.ast.Program, ptr %t487, i64 %t483
-  %t489 = getelementptr inbounds %S.ast.Program, ptr %t488, i32 0, i32 8
-  %t490 = getelementptr inbounds { ptr, i64, i64 }, ptr %t489, i32 0, i32 1
-  %t491 = load i64, ptr %t490
-  store i64 0, ptr %a492
-  br label %for.cond3355
-for.cond3355:
-  %t493 = load i64, ptr %a492
-  %t494 = icmp slt i64 %t493, %t491
-  br i1 %t494, label %for.body3356, label %for.end3358
-for.body3356:
-  %t495 = load ptr, ptr %a1
-  %t496 = icmp eq ptr %t495, null
-  br i1 %t496, label %panic3359, label %ok3360
-panic3359:
-  call void @finch_panic(ptr @.str.2147, i64 1346, ptr @.str.2148)
-  unreachable
-ok3360:
-  %t497 = getelementptr inbounds %S.gen.Gen, ptr %t495, i32 0, i32 0
-  %t498 = load i64, ptr %a460
-  %t499 = load { ptr, i64, i64 }, ptr %t497
-  %t500 = extractvalue { ptr, i64, i64 } %t499, 1
-  %t501 = icmp uge i64 %t498, %t500
-  br i1 %t501, label %range3361, label %inrange3362
-range3361:
-  call void @finch_panic_index(ptr @.str.2149, i64 1346, i64 %t498, i64 %t500)
-  unreachable
-inrange3362:
-  %t502 = extractvalue { ptr, i64, i64 } %t499, 0
-  %t503 = getelementptr inbounds %S.ast.Program, ptr %t502, i64 %t498
-  %t504 = getelementptr inbounds %S.ast.Program, ptr %t503, i32 0, i32 8
-  %t505 = load i64, ptr %a492
-  %t506 = load { ptr, i64, i64 }, ptr %t504
-  %t507 = extractvalue { ptr, i64, i64 } %t506, 1
-  %t508 = icmp uge i64 %t505, %t507
-  br i1 %t508, label %range3363, label %inrange3364
-range3363:
-  call void @finch_panic_index(ptr @.str.2150, i64 1346, i64 %t505, i64 %t507)
-  unreachable
-inrange3364:
-  %t509 = extractvalue { ptr, i64, i64 } %t506, 0
-  %t510 = getelementptr inbounds %S.ast.Node, ptr %t509, i64 %t505
-  %t511 = load %S.ast.Node, ptr %t510
-  store %S.ast.Node %t511, ptr %a512
-  call void @finch.copy.S_ast_Node(ptr %a513, ptr %a512)
-  %t514 = load %S.ast.Node, ptr %a513
-  store %S.ast.Node %t514, ptr %a515
-  %t516 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 3
-  %t517 = getelementptr inbounds { ptr, i64, i64 }, ptr %t516, i32 0, i32 1
-  %t518 = load i64, ptr %t517
-  %t519 = icmp sgt i64 %t518, 0
-  br i1 %t519, label %then3365, label %endif3367
-then3365:
-  %t520 = load ptr, ptr %a1
-  %t521 = load ptr, ptr %a1
-  %t522 = icmp eq ptr %t521, null
-  br i1 %t522, label %panic3368, label %ok3369
-panic3368:
-  call void @finch_panic(ptr @.str.2151, i64 1349, ptr @.str.2152)
-  unreachable
-ok3369:
-  %t523 = getelementptr inbounds %S.gen.Gen, ptr %t521, i32 0, i32 13
-  %t524 = load { ptr, i64, i64 }, ptr %t523
-  %t525 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t526 = load { ptr, i64, i64 }, ptr %t525
-  %t527 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t528 = load { ptr, i64, i64 }, ptr %t527
-  %t529 = call i64 @finch.gen.findTemplate(ptr %t520, { ptr, i64, i64 } %t524, { ptr, i64, i64 } %t526, { ptr, i64, i64 } %t528, i1 false)
-  %t530 = icmp sge i64 %t529, 0
-  br i1 %t530, label %then3370, label %endif3372
-then3370:
-  %t531 = load ptr, ptr %a1
-  %t532 = load %S.ast.Node, ptr %a515
-  %t533 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t534 = load { ptr, i64, i64 }, ptr %t533
-  store { ptr, i64, i64 } { ptr @.str.2153, i64 10, i64 0 }, ptr %a536
-  store { ptr, i64, i64 } %t534, ptr %a537
-  call void @finch_str_concat(ptr %a535, ptr %a536, ptr %a537)
-  %t538 = load { ptr, i64, i64 }, ptr %a535
-  store { ptr, i64, i64 } %t538, ptr %a540
-  store { ptr, i64, i64 } { ptr @.str.2154, i64 18, i64 0 }, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  call void @finch.gen.fail(ptr %t531, %S.ast.Node %t532, { ptr, i64, i64 } %t542)
-  br label %endif3372
-endif3372:
-  %t543 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i32 0, i32 1
-  %t545 = load i64, ptr %t544
-  %t546 = icmp sgt i64 %t545, 0
-  br label %logic.from3373
-logic.from3373:
-  br i1 %t546, label %logic.rhs3374, label %logic.end3375
-logic.rhs3374:
-  %t547 = load ptr, ptr %a1
-  %t548 = load ptr, ptr %a1
-  %t549 = icmp eq ptr %t548, null
-  br i1 %t549, label %panic3376, label %ok3377
-panic3376:
-  call void @finch_panic(ptr @.str.2155, i64 1352, ptr @.str.2156)
-  unreachable
-ok3377:
-  %t550 = getelementptr inbounds %S.gen.Gen, ptr %t548, i32 0, i32 13
-  %t551 = load { ptr, i64, i64 }, ptr %t550
-  %t552 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t553 = load { ptr, i64, i64 }, ptr %t552
-  %t554 = call i64 @finch.gen.findTemplate(ptr %t547, { ptr, i64, i64 } %t551, { ptr, i64, i64 } %t553, { ptr, i64, i64 } { ptr @.str.2157, i64 0, i64 0 }, i1 true)
-  %t555 = icmp slt i64 %t554, 0
-  br label %logic.rend3378
-logic.rend3378:
-  br label %logic.end3375
-logic.end3375:
-  %t556 = phi i1 [ false, %logic.from3373 ], [ %t555, %logic.rend3378 ]
-  br i1 %t556, label %then3379, label %endif3381
-then3379:
-  %t557 = load ptr, ptr %a1
-  %t558 = load %S.ast.Node, ptr %a515
-  %t559 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t560 = load { ptr, i64, i64 }, ptr %t559
-  store { ptr, i64, i64 } { ptr @.str.2158, i64 34, i64 0 }, ptr %a562
-  store { ptr, i64, i64 } %t560, ptr %a563
-  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
-  %t564 = load { ptr, i64, i64 }, ptr %a561
-  store { ptr, i64, i64 } %t564, ptr %a566
-  store { ptr, i64, i64 } { ptr @.str.2159, i64 53, i64 0 }, ptr %a567
-  call void @finch_str_concat(ptr %a565, ptr %a566, ptr %a567)
-  %t568 = load { ptr, i64, i64 }, ptr %a565
-  call void @finch.gen.fail(ptr %t557, %S.ast.Node %t558, { ptr, i64, i64 } %t568)
-  br label %endif3381
-endif3381:
-  %t569 = load ptr, ptr %a1
-  %t570 = icmp eq ptr %t569, null
-  br i1 %t570, label %panic3382, label %ok3383
-panic3382:
-  call void @finch_panic(ptr @.str.2160, i64 1355, ptr @.str.2161)
-  unreachable
-ok3383:
-  %t571 = getelementptr inbounds %S.gen.Gen, ptr %t569, i32 0, i32 16
-  %t572 = getelementptr inbounds { ptr, i64, i64 }, ptr %t571, i32 0, i32 1
-  %t573 = load ptr, ptr %a1
-  %t574 = icmp eq ptr %t573, null
-  br i1 %t574, label %panic3384, label %ok3385
-panic3384:
-  call void @finch_panic(ptr @.str.2162, i64 1355, ptr @.str.2163)
-  unreachable
-ok3385:
-  %t575 = getelementptr inbounds %S.gen.Gen, ptr %t573, i32 0, i32 13
-  %t576 = load { ptr, i64, i64 }, ptr %t575
-  store { ptr, i64, i64 } %t576, ptr %a577
-  call void @finch_str_copy(ptr %a578, ptr %a577)
-  %t579 = load { ptr, i64, i64 }, ptr %a578
-  %t580 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t579, 0
-  %t581 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t582 = load { ptr, i64, i64 }, ptr %t581
-  store { ptr, i64, i64 } %t582, ptr %a583
-  call void @finch_str_copy(ptr %a584, ptr %a583)
-  %t585 = load { ptr, i64, i64 }, ptr %a584
-  %t586 = insertvalue %S.gen.Template %t580, { ptr, i64, i64 } %t585, 1
-  %t587 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t588 = load { ptr, i64, i64 }, ptr %t587
-  store { ptr, i64, i64 } %t588, ptr %a589
-  call void @finch_str_copy(ptr %a590, ptr %a589)
-  %t591 = load { ptr, i64, i64 }, ptr %a590
-  %t592 = insertvalue %S.gen.Template %t586, { ptr, i64, i64 } %t591, 2
-  %t593 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 3
-  %t594 = load { ptr, i64, i64 }, ptr %t593
-  store { ptr, i64, i64 } %t594, ptr %a595
-  call void @finch.copy.arr_str(ptr %a596, ptr %a595)
-  %t597 = load { ptr, i64, i64 }, ptr %a596
-  %t598 = insertvalue %S.gen.Template %t592, { ptr, i64, i64 } %t597, 3
-  %t599 = load i64, ptr %a460
-  %t600 = insertvalue %S.gen.Template %t598, i64 %t599, 4
-  %t601 = load i64, ptr %a492
-  %t602 = insertvalue %S.gen.Template %t600, i64 %t601, 5
-  %t603 = load i64, ptr %t572
-  %t604 = add i64 %t603, 1
-  call void @finch_arr_reserve(ptr %t571, i64 %t604, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
-  %t605 = load ptr, ptr %t571
-  %t606 = getelementptr inbounds %S.gen.Template, ptr %t605, i64 %t603
-  store %S.gen.Template %t602, ptr %t606
-  store i64 %t604, ptr %t572
-  br label %for.step3357
-endif3367:
-  %t607 = load ptr, ptr %a1
-  %t608 = icmp eq ptr %t607, null
-  br i1 %t608, label %panic3386, label %ok3387
-panic3386:
-  call void @finch_panic(ptr @.str.2164, i64 1358, ptr @.str.2165)
-  unreachable
-ok3387:
-  %t609 = getelementptr inbounds %S.gen.Gen, ptr %t607, i32 0, i32 13
-  %t610 = load { ptr, i64, i64 }, ptr %t609
-  store { ptr, i64, i64 } %t610, ptr %a611
-  call void @finch_str_copy(ptr %a612, ptr %a611)
-  %t613 = load { ptr, i64, i64 }, ptr %a612
-  store { ptr, i64, i64 } %t613, ptr %a614
-  store i1 false, ptr %a615
-  %t616 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t617 = getelementptr inbounds { ptr, i64, i64 }, ptr %t616, i32 0, i32 1
-  %t618 = load i64, ptr %t617
-  %t619 = icmp sgt i64 %t618, 0
-  br label %logic.from3388
-logic.from3388:
-  br i1 %t619, label %logic.rhs3389, label %logic.end3390
-logic.rhs3389:
-  %t620 = load ptr, ptr %a1
-  %t621 = load ptr, ptr %a1
-  %t622 = icmp eq ptr %t621, null
-  br i1 %t622, label %panic3391, label %ok3392
-panic3391:
-  call void @finch_panic(ptr @.str.2166, i64 1360, ptr @.str.2167)
-  unreachable
-ok3392:
-  %t623 = getelementptr inbounds %S.gen.Gen, ptr %t621, i32 0, i32 13
-  %t624 = load { ptr, i64, i64 }, ptr %t623
-  %t625 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t626 = load { ptr, i64, i64 }, ptr %t625
-  %t627 = call i64 @finch.gen.findEnum(ptr %t620, { ptr, i64, i64 } %t624, { ptr, i64, i64 } %t626)
-  %t628 = icmp sge i64 %t627, 0
-  br label %logic.rend3393
-logic.rend3393:
-  br label %logic.end3390
-logic.end3390:
-  %t629 = phi i1 [ false, %logic.from3388 ], [ %t628, %logic.rend3393 ]
-  br i1 %t629, label %then3394, label %else3395
-then3394:
-  store i1 true, ptr %a615
-  %t630 = load ptr, ptr %a1
-  %t631 = load { ptr, i64, i64 }, ptr %a614
-  %t632 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t633 = load { ptr, i64, i64 }, ptr %t632
-  %t634 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t635 = load { ptr, i64, i64 }, ptr %t634
-  %t636 = call i64 @finch.gen.findMethod(ptr %t630, { ptr, i64, i64 } %t631, { ptr, i64, i64 } %t633, { ptr, i64, i64 } %t635)
-  %t637 = icmp sge i64 %t636, 0
-  br i1 %t637, label %then3397, label %endif3399
-then3397:
-  %t638 = load ptr, ptr %a1
-  %t639 = load %S.ast.Node, ptr %a515
-  %t640 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t641 = load { ptr, i64, i64 }, ptr %t640
-  store { ptr, i64, i64 } { ptr @.str.2168, i64 11, i64 0 }, ptr %a643
-  store { ptr, i64, i64 } %t641, ptr %a644
-  call void @finch_str_concat(ptr %a642, ptr %a643, ptr %a644)
-  %t645 = load { ptr, i64, i64 }, ptr %a642
-  store { ptr, i64, i64 } %t645, ptr %a647
-  store { ptr, i64, i64 } { ptr @.str.2169, i64 1, i64 0 }, ptr %a648
-  call void @finch_str_concat(ptr %a646, ptr %a647, ptr %a648)
-  %t649 = load { ptr, i64, i64 }, ptr %a646
-  %t650 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t651 = load { ptr, i64, i64 }, ptr %t650
-  store { ptr, i64, i64 } %t649, ptr %a653
-  store { ptr, i64, i64 } %t651, ptr %a654
-  call void @finch_str_concat(ptr %a652, ptr %a653, ptr %a654)
-  %t655 = load { ptr, i64, i64 }, ptr %a652
-  store { ptr, i64, i64 } %t655, ptr %a657
-  store { ptr, i64, i64 } { ptr @.str.2170, i64 17, i64 0 }, ptr %a658
-  call void @finch_str_concat(ptr %a656, ptr %a657, ptr %a658)
-  %t659 = load { ptr, i64, i64 }, ptr %a656
-  call void @finch.gen.fail(ptr %t638, %S.ast.Node %t639, { ptr, i64, i64 } %t659)
-  br label %endif3399
-endif3399:
-  br label %endif3396
-else3395:
-  %t660 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t661 = getelementptr inbounds { ptr, i64, i64 }, ptr %t660, i32 0, i32 1
-  %t662 = load i64, ptr %t661
-  %t663 = icmp sgt i64 %t662, 0
-  br i1 %t663, label %then3400, label %else3401
-then3400:
-  %t664 = load ptr, ptr %a1
-  %t665 = load ptr, ptr %a1
-  %t666 = icmp eq ptr %t665, null
-  br i1 %t666, label %panic3403, label %ok3404
-panic3403:
-  call void @finch_panic(ptr @.str.2171, i64 1366, ptr @.str.2172)
-  unreachable
-ok3404:
-  %t667 = getelementptr inbounds %S.gen.Gen, ptr %t665, i32 0, i32 13
-  %t668 = load { ptr, i64, i64 }, ptr %t667
-  %t669 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t670 = load { ptr, i64, i64 }, ptr %t669
-  %t671 = call i64 @finch.gen.findStruct(ptr %t664, { ptr, i64, i64 } %t668, { ptr, i64, i64 } %t670)
-  store i64 %t671, ptr %a672
-  %t673 = load i64, ptr %a672
-  %t674 = icmp slt i64 %t673, 0
-  br label %logic.from3405
-logic.from3405:
-  br i1 %t674, label %logic.rhs3406, label %logic.end3407
-logic.rhs3406:
-  %t675 = load ptr, ptr %a1
-  %t676 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t677 = load { ptr, i64, i64 }, ptr %t676
-  %t678 = call i64 @finch.gen.findStruct(ptr %t675, { ptr, i64, i64 } { ptr @.str.2173, i64 1, i64 0 }, { ptr, i64, i64 } %t677)
-  %t679 = icmp sge i64 %t678, 0
-  br label %logic.rend3408
-logic.rend3408:
-  br label %logic.end3407
-logic.end3407:
-  %t680 = phi i1 [ false, %logic.from3405 ], [ %t679, %logic.rend3408 ]
-  br i1 %t680, label %then3409, label %endif3411
-then3409:
-  %t681 = load ptr, ptr %a1
-  %t682 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t683 = load { ptr, i64, i64 }, ptr %t682
-  %t684 = call i64 @finch.gen.findStruct(ptr %t681, { ptr, i64, i64 } { ptr @.str.2174, i64 1, i64 0 }, { ptr, i64, i64 } %t683)
-  store i64 %t684, ptr %a672
-  store { ptr, i64, i64 } { ptr @.str.2175, i64 1, i64 0 }, ptr %a614
-  br label %endif3411
-endif3411:
-  %t685 = load i64, ptr %a672
-  %t686 = icmp slt i64 %t685, 0
-  br i1 %t686, label %then3412, label %endif3414
-then3412:
-  %t687 = load ptr, ptr %a1
-  %t688 = load %S.ast.Node, ptr %a515
-  %t689 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t690 = load { ptr, i64, i64 }, ptr %t689
-  store { ptr, i64, i64 } { ptr @.str.2176, i64 26, i64 0 }, ptr %a692
-  store { ptr, i64, i64 } %t690, ptr %a693
-  call void @finch_str_concat(ptr %a691, ptr %a692, ptr %a693)
-  %t694 = load { ptr, i64, i64 }, ptr %a691
-  store { ptr, i64, i64 } %t694, ptr %a696
-  store { ptr, i64, i64 } { ptr @.str.2177, i64 76, i64 0 }, ptr %a697
-  call void @finch_str_concat(ptr %a695, ptr %a696, ptr %a697)
-  %t698 = load { ptr, i64, i64 }, ptr %a695
-  call void @finch.gen.fail(ptr %t687, %S.ast.Node %t688, { ptr, i64, i64 } %t698)
-  br label %endif3414
-endif3414:
-  %t699 = load ptr, ptr %a1
-  %t700 = load { ptr, i64, i64 }, ptr %a614
-  %t701 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t702 = load { ptr, i64, i64 }, ptr %t701
-  %t703 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t704 = load { ptr, i64, i64 }, ptr %t703
-  %t705 = call i64 @finch.gen.findMethod(ptr %t699, { ptr, i64, i64 } %t700, { ptr, i64, i64 } %t702, { ptr, i64, i64 } %t704)
-  %t706 = icmp sge i64 %t705, 0
-  br i1 %t706, label %then3415, label %endif3417
-then3415:
-  %t707 = load ptr, ptr %a1
-  %t708 = load %S.ast.Node, ptr %a515
-  %t709 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t710 = load { ptr, i64, i64 }, ptr %t709
-  store { ptr, i64, i64 } { ptr @.str.2178, i64 11, i64 0 }, ptr %a712
-  store { ptr, i64, i64 } %t710, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t714, ptr %a716
-  store { ptr, i64, i64 } { ptr @.str.2179, i64 1, i64 0 }, ptr %a717
-  call void @finch_str_concat(ptr %a715, ptr %a716, ptr %a717)
-  %t718 = load { ptr, i64, i64 }, ptr %a715
-  %t719 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t720 = load { ptr, i64, i64 }, ptr %t719
-  store { ptr, i64, i64 } %t718, ptr %a722
-  store { ptr, i64, i64 } %t720, ptr %a723
-  call void @finch_str_concat(ptr %a721, ptr %a722, ptr %a723)
-  %t724 = load { ptr, i64, i64 }, ptr %a721
-  store { ptr, i64, i64 } %t724, ptr %a726
-  store { ptr, i64, i64 } { ptr @.str.2180, i64 17, i64 0 }, ptr %a727
-  call void @finch_str_concat(ptr %a725, ptr %a726, ptr %a727)
-  %t728 = load { ptr, i64, i64 }, ptr %a725
-  call void @finch.gen.fail(ptr %t707, %S.ast.Node %t708, { ptr, i64, i64 } %t728)
-  br label %endif3417
-endif3417:
-  %t729 = load ptr, ptr %a1
-  %t730 = icmp eq ptr %t729, null
-  br i1 %t730, label %panic3418, label %ok3419
-panic3418:
-  call void @finch_panic(ptr @.str.2181, i64 1377, ptr @.str.2182)
-  unreachable
-ok3419:
-  %t731 = getelementptr inbounds %S.gen.Gen, ptr %t729, i32 0, i32 15
-  %t732 = load i64, ptr %a672
-  %t733 = load { ptr, i64, i64 }, ptr %t731
-  %t734 = extractvalue { ptr, i64, i64 } %t733, 1
-  %t735 = icmp uge i64 %t732, %t734
-  br i1 %t735, label %range3420, label %inrange3421
-range3420:
-  call void @finch_panic_index(ptr @.str.2183, i64 1377, i64 %t732, i64 %t734)
-  unreachable
-inrange3421:
-  %t736 = extractvalue { ptr, i64, i64 } %t733, 0
-  %t737 = getelementptr inbounds %S.gen.StructDef, ptr %t736, i64 %t732
-  %t738 = getelementptr inbounds %S.gen.StructDef, ptr %t737, i32 0, i32 11
-  %t739 = getelementptr inbounds { ptr, i64, i64 }, ptr %t738, i32 0, i32 1
-  %t740 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t741 = load { ptr, i64, i64 }, ptr %t740
-  store i64 -1, ptr %a742
-  %t743 = load i64, ptr %t739
-  %t744 = load ptr, ptr %t738
-  store i64 0, ptr %a745
-  br label %find.cond3422
-find.cond3422:
-  %t746 = load i64, ptr %a745
-  %t747 = icmp slt i64 %t746, %t743
-  br i1 %t747, label %find.body3423, label %find.end3426
-find.body3423:
-  %t748 = getelementptr inbounds { ptr, i64, i64 }, ptr %t744, i64 %t746
-  %t749 = load { ptr, i64, i64 }, ptr %t748
-  store { ptr, i64, i64 } %t749, ptr %a750
-  store { ptr, i64, i64 } %t741, ptr %a751
-  %t752 = call i32 @finch_str_eq(ptr %a750, ptr %a751)
-  %t753 = icmp ne i32 %t752, 0
-  br i1 %t753, label %find.hit3424, label %find.next3425
-find.hit3424:
-  store i64 %t746, ptr %a742
-  br label %find.end3426
-find.next3425:
-  %t754 = add i64 %t746, 1
-  store i64 %t754, ptr %a745
-  br label %find.cond3422
-find.end3426:
-  %t755 = load i64, ptr %a742
-  %t756 = icmp sge i64 %t755, 0
-  br i1 %t756, label %then3427, label %endif3429
-then3427:
-  %t757 = load ptr, ptr %a1
-  %t758 = load %S.ast.Node, ptr %a515
-  %t759 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t760 = load { ptr, i64, i64 }, ptr %t759
-  store { ptr, i64, i64 } { ptr @.str.2184, i64 11, i64 0 }, ptr %a762
-  store { ptr, i64, i64 } %t760, ptr %a763
-  call void @finch_str_concat(ptr %a761, ptr %a762, ptr %a763)
-  %t764 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t764, ptr %a766
-  store { ptr, i64, i64 } { ptr @.str.2185, i64 28, i64 0 }, ptr %a767
-  call void @finch_str_concat(ptr %a765, ptr %a766, ptr %a767)
-  %t768 = load { ptr, i64, i64 }, ptr %a765
-  %t769 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t770 = load { ptr, i64, i64 }, ptr %t769
-  store { ptr, i64, i64 } %t768, ptr %a772
-  store { ptr, i64, i64 } %t770, ptr %a773
-  call void @finch_str_concat(ptr %a771, ptr %a772, ptr %a773)
-  %t774 = load { ptr, i64, i64 }, ptr %a771
-  store { ptr, i64, i64 } %t774, ptr %a776
-  store { ptr, i64, i64 } { ptr @.str.2186, i64 1, i64 0 }, ptr %a777
-  call void @finch_str_concat(ptr %a775, ptr %a776, ptr %a777)
-  %t778 = load { ptr, i64, i64 }, ptr %a775
-  call void @finch.gen.fail(ptr %t757, %S.ast.Node %t758, { ptr, i64, i64 } %t778)
-  br label %endif3429
-endif3429:
-  br label %endif3402
-else3401:
-  %t779 = load ptr, ptr %a1
-  %t780 = load ptr, ptr %a1
-  %t781 = icmp eq ptr %t780, null
-  br i1 %t781, label %panic3430, label %ok3431
-panic3430:
-  call void @finch_panic(ptr @.str.2187, i64 1381, ptr @.str.2188)
-  unreachable
-ok3431:
-  %t782 = getelementptr inbounds %S.gen.Gen, ptr %t780, i32 0, i32 13
-  %t783 = load { ptr, i64, i64 }, ptr %t782
-  %t784 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t785 = load { ptr, i64, i64 }, ptr %t784
-  %t786 = call i64 @finch.gen.findFn(ptr %t779, { ptr, i64, i64 } %t783, { ptr, i64, i64 } %t785)
-  %t787 = icmp sge i64 %t786, 0
-  br i1 %t787, label %then3432, label %endif3434
-then3432:
-  %t788 = load ptr, ptr %a1
-  %t789 = load %S.ast.Node, ptr %a515
-  %t790 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t791 = load { ptr, i64, i64 }, ptr %t790
-  store { ptr, i64, i64 } { ptr @.str.2189, i64 10, i64 0 }, ptr %a793
-  store { ptr, i64, i64 } %t791, ptr %a794
-  call void @finch_str_concat(ptr %a792, ptr %a793, ptr %a794)
-  %t795 = load { ptr, i64, i64 }, ptr %a792
-  store { ptr, i64, i64 } %t795, ptr %a797
-  store { ptr, i64, i64 } { ptr @.str.2190, i64 18, i64 0 }, ptr %a798
-  call void @finch_str_concat(ptr %a796, ptr %a797, ptr %a798)
-  %t799 = load { ptr, i64, i64 }, ptr %a796
-  call void @finch.gen.fail(ptr %t788, %S.ast.Node %t789, { ptr, i64, i64 } %t799)
-  br label %endif3434
-endif3434:
-  %t800 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t801 = load { ptr, i64, i64 }, ptr %t800
-  %t802 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t801)
-  br i1 %t802, label %then3435, label %endif3437
-then3435:
-  %t803 = load ptr, ptr %a1
-  %t804 = load %S.ast.Node, ptr %a515
-  %t805 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t806 = load { ptr, i64, i64 }, ptr %t805
-  store { ptr, i64, i64 } { ptr @.str.2191, i64 1, i64 0 }, ptr %a808
-  store { ptr, i64, i64 } %t806, ptr %a809
-  call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
-  %t810 = load { ptr, i64, i64 }, ptr %a807
-  store { ptr, i64, i64 } %t810, ptr %a812
-  store { ptr, i64, i64 } { ptr @.str.2192, i64 43, i64 0 }, ptr %a813
-  call void @finch_str_concat(ptr %a811, ptr %a812, ptr %a813)
-  %t814 = load { ptr, i64, i64 }, ptr %a811
-  call void @finch.gen.fail(ptr %t803, %S.ast.Node %t804, { ptr, i64, i64 } %t814)
-  br label %endif3437
-endif3437:
-  br label %endif3402
-endif3402:
-  br label %endif3396
-endif3396:
-  %t815 = load ptr, ptr %a1
-  %t816 = icmp eq ptr %t815, null
-  br i1 %t816, label %panic3438, label %ok3439
-panic3438:
-  call void @finch_panic(ptr @.str.2193, i64 1388, ptr @.str.2194)
-  unreachable
-ok3439:
-  %t817 = getelementptr inbounds %S.gen.Gen, ptr %t815, i32 0, i32 13
-  %t818 = load { ptr, i64, i64 }, ptr %t817
-  store { ptr, i64, i64 } %t818, ptr %a819
-  call void @finch_str_copy(ptr %a820, ptr %a819)
-  %t821 = load { ptr, i64, i64 }, ptr %a820
-  %t822 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t821, 0
-  %t823 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t824 = load { ptr, i64, i64 }, ptr %t823
-  store { ptr, i64, i64 } %t824, ptr %a825
-  call void @finch_str_copy(ptr %a826, ptr %a825)
-  %t827 = load { ptr, i64, i64 }, ptr %a826
-  %t828 = insertvalue %S.gen.FnSig %t822, { ptr, i64, i64 } %t827, 1
-  %t829 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t830 = load { ptr, i64, i64 }, ptr %t829
-  store { ptr, i64, i64 } %t830, ptr %a831
-  call void @finch_str_copy(ptr %a832, ptr %a831)
-  %t833 = load { ptr, i64, i64 }, ptr %a832
-  %t834 = insertvalue %S.gen.FnSig %t828, { ptr, i64, i64 } %t833, 2
-  %t835 = load { ptr, i64, i64 }, ptr %a614
-  store { ptr, i64, i64 } %t835, ptr %a836
-  call void @finch_str_copy(ptr %a837, ptr %a836)
-  %t838 = load { ptr, i64, i64 }, ptr %a837
-  %t839 = insertvalue %S.gen.FnSig %t834, { ptr, i64, i64 } %t838, 3
-  %t840 = load i1, ptr %a615
-  %t841 = insertvalue %S.gen.FnSig %t839, i1 %t840, 4
-  %t842 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 8
-  %t843 = load i1, ptr %t842
-  %t844 = insertvalue %S.gen.FnSig %t841, i1 %t843, 5
-  %t845 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 7
-  %t846 = load i1, ptr %t845
-  %t847 = insertvalue %S.gen.FnSig %t844, i1 %t846, 9
-  %t848 = load i64, ptr %a460
-  %t849 = insertvalue %S.gen.FnSig %t847, i64 %t848, 16
-  %t850 = load i64, ptr %a492
-  %t851 = insertvalue %S.gen.FnSig %t849, i64 %t850, 17
-  store %S.gen.FnSig %t851, ptr %a852
-  %t853 = load ptr, ptr %a1
-  %t854 = icmp eq ptr %t853, null
-  br i1 %t854, label %panic3440, label %ok3441
-panic3440:
-  call void @finch_panic(ptr @.str.2196, i64 1389, ptr @.str.2197)
-  unreachable
-ok3441:
-  %t855 = getelementptr inbounds %S.gen.Gen, ptr %t853, i32 0, i32 13
-  %t856 = load { ptr, i64, i64 }, ptr %t855
-  %t857 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t856)
-  store { ptr, i64, i64 } { ptr @.str.2195, i64 7, i64 0 }, ptr %a859
-  store { ptr, i64, i64 } %t857, ptr %a860
-  call void @finch_str_concat(ptr %a858, ptr %a859, ptr %a860)
-  %t861 = load { ptr, i64, i64 }, ptr %a858
-  store { ptr, i64, i64 } %t861, ptr %a863
-  store { ptr, i64, i64 } { ptr @.str.2198, i64 1, i64 0 }, ptr %a864
-  call void @finch_str_concat(ptr %a862, ptr %a863, ptr %a864)
-  %t865 = load { ptr, i64, i64 }, ptr %a862
-  %t866 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t867 = load { ptr, i64, i64 }, ptr %t866
-  store { ptr, i64, i64 } %t865, ptr %a869
-  store { ptr, i64, i64 } %t867, ptr %a870
-  call void @finch_str_concat(ptr %a868, ptr %a869, ptr %a870)
-  %t871 = load { ptr, i64, i64 }, ptr %a868
-  %t872 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 11
-  store { ptr, i64, i64 } %t871, ptr %t872
-  %t873 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t874 = getelementptr inbounds { ptr, i64, i64 }, ptr %t873, i32 0, i32 1
-  %t875 = load i64, ptr %t874
-  %t876 = icmp sgt i64 %t875, 0
-  br i1 %t876, label %then3442, label %endif3444
-then3442:
-  %t877 = load ptr, ptr %a1
-  %t878 = icmp eq ptr %t877, null
-  br i1 %t878, label %panic3445, label %ok3446
-panic3445:
-  call void @finch_panic(ptr @.str.2200, i64 1391, ptr @.str.2201)
-  unreachable
-ok3446:
-  %t879 = getelementptr inbounds %S.gen.Gen, ptr %t877, i32 0, i32 13
-  %t880 = load { ptr, i64, i64 }, ptr %t879
-  %t881 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t880)
-  store { ptr, i64, i64 } { ptr @.str.2199, i64 7, i64 0 }, ptr %a883
-  store { ptr, i64, i64 } %t881, ptr %a884
-  call void @finch_str_concat(ptr %a882, ptr %a883, ptr %a884)
-  %t885 = load { ptr, i64, i64 }, ptr %a882
-  store { ptr, i64, i64 } %t885, ptr %a887
-  store { ptr, i64, i64 } { ptr @.str.2202, i64 1, i64 0 }, ptr %a888
-  call void @finch_str_concat(ptr %a886, ptr %a887, ptr %a888)
-  %t889 = load { ptr, i64, i64 }, ptr %a886
-  %t890 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t891 = load { ptr, i64, i64 }, ptr %t890
-  store { ptr, i64, i64 } %t889, ptr %a893
-  store { ptr, i64, i64 } %t891, ptr %a894
-  call void @finch_str_concat(ptr %a892, ptr %a893, ptr %a894)
-  %t895 = load { ptr, i64, i64 }, ptr %a892
-  store { ptr, i64, i64 } %t895, ptr %a897
-  store { ptr, i64, i64 } { ptr @.str.2203, i64 1, i64 0 }, ptr %a898
-  call void @finch_str_concat(ptr %a896, ptr %a897, ptr %a898)
-  %t899 = load { ptr, i64, i64 }, ptr %a896
-  %t900 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 1
-  %t901 = load { ptr, i64, i64 }, ptr %t900
-  store { ptr, i64, i64 } %t899, ptr %a903
-  store { ptr, i64, i64 } %t901, ptr %a904
-  call void @finch_str_concat(ptr %a902, ptr %a903, ptr %a904)
-  %t905 = load { ptr, i64, i64 }, ptr %a902
-  %t906 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 11
-  store { ptr, i64, i64 } %t905, ptr %t906
-  br label %endif3444
-endif3444:
-  %t907 = load ptr, ptr %a1
-  %t908 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 5
-  %t909 = load %S.ast.Type, ptr %t908
-  %t910 = load %S.ast.Node, ptr %a515
-  %t911 = call %S.ast.Type @finch.gen.resolve(ptr %t907, %S.ast.Type %t909, %S.ast.Node %t910)
-  %t912 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 12
-  store %S.ast.Type %t911, ptr %t912
-  %t913 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t914 = getelementptr inbounds { ptr, i64, i64 }, ptr %t913, i32 0, i32 1
-  %t915 = load i64, ptr %t914
-  %t916 = sub i64 %t915, 1
-  store i64 0, ptr %a917
-  br label %for.cond3447
-for.cond3447:
-  %t918 = load i64, ptr %a917
-  %t919 = icmp slt i64 %t918, %t916
-  br i1 %t919, label %for.body3448, label %for.end3450
-for.body3448:
-  %t920 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t921 = load i64, ptr %a917
-  %t922 = load { ptr, i64, i64 }, ptr %t920
-  %t923 = extractvalue { ptr, i64, i64 } %t922, 1
-  %t924 = icmp uge i64 %t921, %t923
-  br i1 %t924, label %range3451, label %inrange3452
-range3451:
-  call void @finch_panic_index(ptr @.str.2204, i64 1395, i64 %t921, i64 %t923)
-  unreachable
-inrange3452:
-  %t925 = extractvalue { ptr, i64, i64 } %t922, 0
-  %t926 = getelementptr inbounds %S.ast.Node, ptr %t925, i64 %t921
-  %t927 = getelementptr inbounds %S.ast.Node, ptr %t926, i32 0, i32 1
-  %t928 = load { ptr, i64, i64 }, ptr %t927
-  store { ptr, i64, i64 } %t928, ptr %a929
-  store { ptr, i64, i64 } { ptr @.str.2205, i64 4, i64 0 }, ptr %a930
-  %t931 = call i32 @finch_str_eq(ptr %a929, ptr %a930)
-  %t932 = icmp ne i32 %t931, 0
-  br label %logic.from3453
-logic.from3453:
-  br i1 %t932, label %logic.rhs3454, label %logic.end3455
-logic.rhs3454:
-  %t933 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t934 = getelementptr inbounds { ptr, i64, i64 }, ptr %t933, i32 0, i32 1
-  %t935 = load i64, ptr %t934
-  %t936 = icmp sgt i64 %t935, 0
-  br label %logic.rend3456
-logic.rend3456:
-  br label %logic.end3455
-logic.end3455:
-  %t937 = phi i1 [ false, %logic.from3453 ], [ %t936, %logic.rend3456 ]
-  br i1 %t937, label %then3457, label %endif3459
-then3457:
-  %t938 = load ptr, ptr %a1
-  %t939 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t940 = load i64, ptr %a917
-  %t941 = load { ptr, i64, i64 }, ptr %t939
-  %t942 = extractvalue { ptr, i64, i64 } %t941, 1
-  %t943 = icmp uge i64 %t940, %t942
-  br i1 %t943, label %range3460, label %inrange3461
-range3460:
-  call void @finch_panic_index(ptr @.str.2206, i64 1396, i64 %t940, i64 %t942)
-  unreachable
-inrange3461:
-  %t944 = extractvalue { ptr, i64, i64 } %t941, 0
-  %t945 = getelementptr inbounds %S.ast.Node, ptr %t944, i64 %t940
-  %t946 = load %S.ast.Node, ptr %t945
-  %t947 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 2
-  %t948 = load { ptr, i64, i64 }, ptr %t947
-  store { ptr, i64, i64 } { ptr @.str.2207, i64 22, i64 0 }, ptr %a950
-  store { ptr, i64, i64 } %t948, ptr %a951
-  call void @finch_str_concat(ptr %a949, ptr %a950, ptr %a951)
-  %t952 = load { ptr, i64, i64 }, ptr %a949
-  store { ptr, i64, i64 } %t952, ptr %a954
-  store { ptr, i64, i64 } { ptr @.str.2208, i64 24, i64 0 }, ptr %a955
-  call void @finch_str_concat(ptr %a953, ptr %a954, ptr %a955)
-  %t956 = load { ptr, i64, i64 }, ptr %a953
-  call void @finch.gen.fail(ptr %t938, %S.ast.Node %t946, { ptr, i64, i64 } %t956)
-  br label %endif3459
-endif3459:
-  %t957 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 13
-  %t958 = getelementptr inbounds { ptr, i64, i64 }, ptr %t957, i32 0, i32 1
-  %t959 = load ptr, ptr %a1
-  %t960 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t961 = load i64, ptr %a917
-  %t962 = load { ptr, i64, i64 }, ptr %t960
-  %t963 = extractvalue { ptr, i64, i64 } %t962, 1
-  %t964 = icmp uge i64 %t961, %t963
-  br i1 %t964, label %range3462, label %inrange3463
-range3462:
-  call void @finch_panic_index(ptr @.str.2209, i64 1398, i64 %t961, i64 %t963)
-  unreachable
-inrange3463:
-  %t965 = extractvalue { ptr, i64, i64 } %t962, 0
-  %t966 = getelementptr inbounds %S.ast.Node, ptr %t965, i64 %t961
-  %t967 = getelementptr inbounds %S.ast.Node, ptr %t966, i32 0, i32 5
-  %t968 = load %S.ast.Type, ptr %t967
-  %t969 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t970 = load i64, ptr %a917
-  %t971 = load { ptr, i64, i64 }, ptr %t969
-  %t972 = extractvalue { ptr, i64, i64 } %t971, 1
-  %t973 = icmp uge i64 %t970, %t972
-  br i1 %t973, label %range3464, label %inrange3465
-range3464:
-  call void @finch_panic_index(ptr @.str.2210, i64 1398, i64 %t970, i64 %t972)
-  unreachable
-inrange3465:
-  %t974 = extractvalue { ptr, i64, i64 } %t971, 0
-  %t975 = getelementptr inbounds %S.ast.Node, ptr %t974, i64 %t970
-  %t976 = load %S.ast.Node, ptr %t975
-  %t977 = call %S.ast.Type @finch.gen.resolve(ptr %t959, %S.ast.Type %t968, %S.ast.Node %t976)
-  %t978 = load i64, ptr %t958
-  %t979 = add i64 %t978, 1
-  call void @finch_arr_reserve(ptr %t957, i64 %t979, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t980 = load ptr, ptr %t957
-  %t981 = getelementptr inbounds %S.ast.Type, ptr %t980, i64 %t978
-  store %S.ast.Type %t977, ptr %t981
-  store i64 %t979, ptr %t958
-  %t982 = getelementptr inbounds %S.gen.FnSig, ptr %a852, i32 0, i32 14
-  %t983 = getelementptr inbounds { ptr, i64, i64 }, ptr %t982, i32 0, i32 1
-  %t984 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 9
-  %t985 = load i64, ptr %a917
-  %t986 = load { ptr, i64, i64 }, ptr %t984
-  %t987 = extractvalue { ptr, i64, i64 } %t986, 1
-  %t988 = icmp uge i64 %t985, %t987
-  br i1 %t988, label %range3466, label %inrange3467
-range3466:
-  call void @finch_panic_index(ptr @.str.2211, i64 1399, i64 %t985, i64 %t987)
-  unreachable
-inrange3467:
-  %t989 = extractvalue { ptr, i64, i64 } %t986, 0
-  %t990 = getelementptr inbounds %S.ast.Node, ptr %t989, i64 %t985
-  %t991 = getelementptr inbounds %S.ast.Node, ptr %t990, i32 0, i32 1
-  %t992 = load { ptr, i64, i64 }, ptr %t991
-  store { ptr, i64, i64 } %t992, ptr %a993
-  call void @finch_str_copy(ptr %a994, ptr %a993)
-  %t995 = load { ptr, i64, i64 }, ptr %a994
-  %t996 = load i64, ptr %t983
-  %t997 = add i64 %t996, 1
-  call void @finch_arr_reserve(ptr %t982, i64 %t997, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t998 = load ptr, ptr %t982
-  %t999 = getelementptr inbounds { ptr, i64, i64 }, ptr %t998, i64 %t996
-  store { ptr, i64, i64 } %t995, ptr %t999
-  store i64 %t997, ptr %t983
-  br label %for.step3449
-for.step3449:
-  %t1000 = load i64, ptr %a917
-  %t1001 = add i64 %t1000, 1
-  store i64 %t1001, ptr %a917
-  br label %for.cond3447
-for.end3450:
-  %t1002 = getelementptr inbounds %S.ast.Node, ptr %a515, i32 0, i32 8
-  %t1003 = load i1, ptr %t1002
-  br i1 %t1003, label %then3468, label %endif3470
-then3468:
-  %t1004 = load ptr, ptr %a1
-  %t1005 = load %S.ast.Node, ptr %a515
-  %t1006 = load %S.gen.FnSig, ptr %a852
-  call void @finch.gen.checkExport(ptr %t1004, %S.ast.Node %t1005, %S.gen.FnSig %t1006)
-  br label %endif3470
-endif3470:
-  %t1007 = load ptr, ptr %a1
-  %t1008 = icmp eq ptr %t1007, null
-  br i1 %t1008, label %panic3471, label %ok3472
-panic3471:
-  call void @finch_panic(ptr @.str.2212, i64 1404, ptr @.str.2213)
-  unreachable
-ok3472:
-  %t1009 = getelementptr inbounds %S.gen.Gen, ptr %t1007, i32 0, i32 14
-  %t1010 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1009, i32 0, i32 1
-  %t1011 = load %S.gen.FnSig, ptr %a852
-  store %S.gen.FnSig %t1011, ptr %a1012
-  call void @finch.copy.S_gen_FnSig(ptr %a1013, ptr %a1012)
-  %t1014 = load %S.gen.FnSig, ptr %a1013
-  %t1015 = load i64, ptr %t1010
-  %t1016 = add i64 %t1015, 1
-  call void @finch_arr_reserve(ptr %t1009, i64 %t1016, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
-  %t1017 = load ptr, ptr %t1009
-  %t1018 = getelementptr inbounds %S.gen.FnSig, ptr %t1017, i64 %t1015
-  store %S.gen.FnSig %t1014, ptr %t1018
-  store i64 %t1016, ptr %t1010
-  br label %for.step3357
-for.step3357:
-  %t1019 = load i64, ptr %a492
-  %t1020 = add i64 %t1019, 1
-  store i64 %t1020, ptr %a492
-  br label %for.cond3355
-for.end3358:
-  br label %for.step3343
-for.step3343:
-  %t1021 = load i64, ptr %a460
-  %t1022 = add i64 %t1021, 1
-  store i64 %t1022, ptr %a460
-  br label %for.cond3341
-for.end3344:
-  store i1 true, ptr %a1023
-  br label %while.cond3473
-while.cond3473:
-  %t1024 = load i1, ptr %a1023
-  br i1 %t1024, label %while.body3474, label %while.end3475
-while.body3474:
-  store i1 false, ptr %a1023
-  %t1025 = load ptr, ptr %a1
-  %t1026 = icmp eq ptr %t1025, null
-  br i1 %t1026, label %panic3476, label %ok3477
-panic3476:
-  call void @finch_panic(ptr @.str.2214, i64 1412, ptr @.str.2215)
-  unreachable
-ok3477:
-  %t1027 = getelementptr inbounds %S.gen.Gen, ptr %t1025, i32 0, i32 14
-  %t1028 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1027, i32 0, i32 1
-  %t1029 = load i64, ptr %t1028
-  store i64 0, ptr %a1030
-  br label %for.cond3478
-for.cond3478:
-  %t1031 = load i64, ptr %a1030
-  %t1032 = icmp slt i64 %t1031, %t1029
-  br i1 %t1032, label %for.body3479, label %for.end3481
-for.body3479:
-  %t1033 = load ptr, ptr %a1
-  %t1034 = icmp eq ptr %t1033, null
-  br i1 %t1034, label %panic3482, label %ok3483
-panic3482:
-  call void @finch_panic(ptr @.str.2216, i64 1413, ptr @.str.2217)
-  unreachable
-ok3483:
-  %t1035 = getelementptr inbounds %S.gen.Gen, ptr %t1033, i32 0, i32 14
-  %t1036 = load i64, ptr %a1030
-  %t1037 = load { ptr, i64, i64 }, ptr %t1035
-  %t1038 = extractvalue { ptr, i64, i64 } %t1037, 1
-  %t1039 = icmp uge i64 %t1036, %t1038
-  br i1 %t1039, label %range3484, label %inrange3485
-range3484:
-  call void @finch_panic_index(ptr @.str.2218, i64 1413, i64 %t1036, i64 %t1038)
-  unreachable
-inrange3485:
-  %t1040 = extractvalue { ptr, i64, i64 } %t1037, 0
-  %t1041 = getelementptr inbounds %S.gen.FnSig, ptr %t1040, i64 %t1036
-  %t1042 = getelementptr inbounds %S.gen.FnSig, ptr %t1041, i32 0, i32 2
-  %t1043 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1042, i32 0, i32 1
-  %t1044 = load i64, ptr %t1043
-  %t1045 = icmp sgt i64 %t1044, 0
-  br label %logic.from3486
-logic.from3486:
-  br i1 %t1045, label %logic.rhs3487, label %logic.end3488
-logic.rhs3487:
-  %t1046 = load ptr, ptr %a1
-  %t1047 = icmp eq ptr %t1046, null
-  br i1 %t1047, label %panic3489, label %ok3490
-panic3489:
-  call void @finch_panic(ptr @.str.2219, i64 1413, ptr @.str.2220)
-  unreachable
-ok3490:
-  %t1048 = getelementptr inbounds %S.gen.Gen, ptr %t1046, i32 0, i32 14
-  %t1049 = load i64, ptr %a1030
-  %t1050 = load { ptr, i64, i64 }, ptr %t1048
-  %t1051 = extractvalue { ptr, i64, i64 } %t1050, 1
-  %t1052 = icmp uge i64 %t1049, %t1051
-  br i1 %t1052, label %range3491, label %inrange3492
-range3491:
-  call void @finch_panic_index(ptr @.str.2221, i64 1413, i64 %t1049, i64 %t1051)
-  unreachable
-inrange3492:
-  %t1053 = extractvalue { ptr, i64, i64 } %t1050, 0
-  %t1054 = getelementptr inbounds %S.gen.FnSig, ptr %t1053, i64 %t1049
-  %t1055 = getelementptr inbounds %S.gen.FnSig, ptr %t1054, i32 0, i32 10
-  %t1056 = load i1, ptr %t1055
-  %t1057 = xor i1 %t1056, true
-  br label %logic.rend3493
-logic.rend3493:
-  br label %logic.end3488
-logic.end3488:
-  %t1058 = phi i1 [ false, %logic.from3486 ], [ %t1057, %logic.rend3493 ]
-  br i1 %t1058, label %then3494, label %endif3496
-then3494:
-  %t1059 = load ptr, ptr %a1
-  %t1060 = icmp eq ptr %t1059, null
-  br i1 %t1060, label %panic3497, label %ok3498
-panic3497:
-  call void @finch_panic(ptr @.str.2222, i64 1414, ptr @.str.2223)
-  unreachable
-ok3498:
-  %t1061 = getelementptr inbounds %S.gen.Gen, ptr %t1059, i32 0, i32 0
-  %t1062 = load ptr, ptr %a1
-  %t1063 = icmp eq ptr %t1062, null
-  br i1 %t1063, label %panic3499, label %ok3500
-panic3499:
-  call void @finch_panic(ptr @.str.2224, i64 1414, ptr @.str.2225)
-  unreachable
-ok3500:
-  %t1064 = getelementptr inbounds %S.gen.Gen, ptr %t1062, i32 0, i32 14
-  %t1065 = load i64, ptr %a1030
-  %t1066 = load { ptr, i64, i64 }, ptr %t1064
-  %t1067 = extractvalue { ptr, i64, i64 } %t1066, 1
-  %t1068 = icmp uge i64 %t1065, %t1067
-  br i1 %t1068, label %range3501, label %inrange3502
-range3501:
-  call void @finch_panic_index(ptr @.str.2226, i64 1414, i64 %t1065, i64 %t1067)
-  unreachable
-inrange3502:
-  %t1069 = extractvalue { ptr, i64, i64 } %t1066, 0
-  %t1070 = getelementptr inbounds %S.gen.FnSig, ptr %t1069, i64 %t1065
-  %t1071 = getelementptr inbounds %S.gen.FnSig, ptr %t1070, i32 0, i32 16
-  %t1072 = load i64, ptr %t1071
-  %t1073 = load { ptr, i64, i64 }, ptr %t1061
-  %t1074 = extractvalue { ptr, i64, i64 } %t1073, 1
-  %t1075 = icmp uge i64 %t1072, %t1074
-  br i1 %t1075, label %range3503, label %inrange3504
-range3503:
-  call void @finch_panic_index(ptr @.str.2227, i64 1414, i64 %t1072, i64 %t1074)
-  unreachable
-inrange3504:
-  %t1076 = extractvalue { ptr, i64, i64 } %t1073, 0
-  %t1077 = getelementptr inbounds %S.ast.Program, ptr %t1076, i64 %t1072
-  %t1078 = getelementptr inbounds %S.ast.Program, ptr %t1077, i32 0, i32 8
-  %t1079 = load ptr, ptr %a1
-  %t1080 = icmp eq ptr %t1079, null
-  br i1 %t1080, label %panic3505, label %ok3506
-panic3505:
-  call void @finch_panic(ptr @.str.2228, i64 1414, ptr @.str.2229)
-  unreachable
-ok3506:
-  %t1081 = getelementptr inbounds %S.gen.Gen, ptr %t1079, i32 0, i32 14
-  %t1082 = load i64, ptr %a1030
-  %t1083 = load { ptr, i64, i64 }, ptr %t1081
-  %t1084 = extractvalue { ptr, i64, i64 } %t1083, 1
-  %t1085 = icmp uge i64 %t1082, %t1084
-  br i1 %t1085, label %range3507, label %inrange3508
-range3507:
-  call void @finch_panic_index(ptr @.str.2230, i64 1414, i64 %t1082, i64 %t1084)
-  unreachable
-inrange3508:
-  %t1086 = extractvalue { ptr, i64, i64 } %t1083, 0
-  %t1087 = getelementptr inbounds %S.gen.FnSig, ptr %t1086, i64 %t1082
-  %t1088 = getelementptr inbounds %S.gen.FnSig, ptr %t1087, i32 0, i32 17
-  %t1089 = load i64, ptr %t1088
-  %t1090 = load { ptr, i64, i64 }, ptr %t1078
-  %t1091 = extractvalue { ptr, i64, i64 } %t1090, 1
-  %t1092 = icmp uge i64 %t1089, %t1091
-  br i1 %t1092, label %range3509, label %inrange3510
-range3509:
-  call void @finch_panic_index(ptr @.str.2231, i64 1414, i64 %t1089, i64 %t1091)
-  unreachable
-inrange3510:
-  %t1093 = extractvalue { ptr, i64, i64 } %t1090, 0
-  %t1094 = getelementptr inbounds %S.ast.Node, ptr %t1093, i64 %t1089
-  %t1095 = load %S.ast.Node, ptr %t1094
-  store %S.ast.Node %t1095, ptr %a1096
-  call void @finch.copy.S_ast_Node(ptr %a1097, ptr %a1096)
-  %t1098 = load %S.ast.Node, ptr %a1097
-  store %S.ast.Node %t1098, ptr %a1099
-  %t1100 = load ptr, ptr %a1
-  %t1101 = getelementptr inbounds %S.ast.Node, ptr %a1099, i32 0, i32 9
-  %t1102 = getelementptr inbounds %S.ast.Node, ptr %a1099, i32 0, i32 9
-  %t1103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1102, i32 0, i32 1
-  %t1104 = load i64, ptr %t1103
-  %t1105 = sub i64 %t1104, 1
-  %t1106 = load { ptr, i64, i64 }, ptr %t1101
-  %t1107 = extractvalue { ptr, i64, i64 } %t1106, 1
-  %t1108 = icmp uge i64 %t1105, %t1107
-  br i1 %t1108, label %range3511, label %inrange3512
-range3511:
-  call void @finch_panic_index(ptr @.str.2233, i64 1415, i64 %t1105, i64 %t1107)
-  unreachable
-inrange3512:
-  %t1109 = extractvalue { ptr, i64, i64 } %t1106, 0
-  %t1110 = getelementptr inbounds %S.ast.Node, ptr %t1109, i64 %t1105
-  %t1111 = load %S.ast.Node, ptr %t1110
-  %t1112 = call i1 @finch.gen.mutates(ptr %t1100, { ptr, i64, i64 } { ptr @.str.2232, i64 4, i64 0 }, %S.ast.Node %t1111)
-  br i1 %t1112, label %then3513, label %endif3515
-then3513:
-  %t1113 = load ptr, ptr %a1
-  %t1114 = icmp eq ptr %t1113, null
-  br i1 %t1114, label %panic3516, label %ok3517
-panic3516:
-  call void @finch_panic(ptr @.str.2234, i64 1416, ptr @.str.2235)
-  unreachable
-ok3517:
-  %t1115 = getelementptr inbounds %S.gen.Gen, ptr %t1113, i32 0, i32 14
-  %t1116 = load i64, ptr %a1030
-  %t1117 = load { ptr, i64, i64 }, ptr %t1115
-  %t1118 = extractvalue { ptr, i64, i64 } %t1117, 1
-  %t1119 = icmp uge i64 %t1116, %t1118
-  br i1 %t1119, label %range3518, label %inrange3519
-range3518:
-  call void @finch_panic_index(ptr @.str.2236, i64 1416, i64 %t1116, i64 %t1118)
-  unreachable
-inrange3519:
-  %t1120 = extractvalue { ptr, i64, i64 } %t1117, 0
-  %t1121 = getelementptr inbounds %S.gen.FnSig, ptr %t1120, i64 %t1116
-  %t1122 = getelementptr inbounds %S.gen.FnSig, ptr %t1121, i32 0, i32 10
-  store i1 true, ptr %t1122
-  %t1123 = load ptr, ptr %a1
-  %t1124 = icmp eq ptr %t1123, null
-  br i1 %t1124, label %panic3520, label %ok3521
-panic3520:
-  call void @finch_panic(ptr @.str.2237, i64 1417, ptr @.str.2238)
-  unreachable
-ok3521:
-  %t1125 = getelementptr inbounds %S.gen.Gen, ptr %t1123, i32 0, i32 22
-  %t1126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1125, i32 0, i32 1
-  %t1127 = load ptr, ptr %a1
-  %t1128 = icmp eq ptr %t1127, null
-  br i1 %t1128, label %panic3522, label %ok3523
-panic3522:
-  call void @finch_panic(ptr @.str.2239, i64 1417, ptr @.str.2240)
-  unreachable
-ok3523:
-  %t1129 = getelementptr inbounds %S.gen.Gen, ptr %t1127, i32 0, i32 14
-  %t1130 = load i64, ptr %a1030
-  %t1131 = load { ptr, i64, i64 }, ptr %t1129
-  %t1132 = extractvalue { ptr, i64, i64 } %t1131, 1
-  %t1133 = icmp uge i64 %t1130, %t1132
-  br i1 %t1133, label %range3524, label %inrange3525
-range3524:
-  call void @finch_panic_index(ptr @.str.2241, i64 1417, i64 %t1130, i64 %t1132)
-  unreachable
-inrange3525:
-  %t1134 = extractvalue { ptr, i64, i64 } %t1131, 0
-  %t1135 = getelementptr inbounds %S.gen.FnSig, ptr %t1134, i64 %t1130
-  %t1136 = getelementptr inbounds %S.gen.FnSig, ptr %t1135, i32 0, i32 1
-  %t1137 = load { ptr, i64, i64 }, ptr %t1136
-  store { ptr, i64, i64 } %t1137, ptr %a1138
-  call void @finch_str_copy(ptr %a1139, ptr %a1138)
-  %t1140 = load { ptr, i64, i64 }, ptr %a1139
-  %t1141 = load i64, ptr %t1126
-  %t1142 = add i64 %t1141, 1
-  call void @finch_arr_reserve(ptr %t1125, i64 %t1142, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t1143 = load ptr, ptr %t1125
-  %t1144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1143, i64 %t1141
-  store { ptr, i64, i64 } %t1140, ptr %t1144
-  store i64 %t1142, ptr %t1126
-  store i1 true, ptr %a1023
-  br label %endif3515
-endif3515:
-  br label %endif3496
-endif3496:
-  br label %for.step3480
-for.step3480:
-  %t1145 = load i64, ptr %a1030
-  %t1146 = add i64 %t1145, 1
-  store i64 %t1146, ptr %a1030
-  br label %for.cond3478
-for.end3481:
-  %t1147 = load ptr, ptr %a1
-  %t1148 = icmp eq ptr %t1147, null
-  br i1 %t1148, label %panic3526, label %ok3527
-panic3526:
-  call void @finch_panic(ptr @.str.2242, i64 1422, ptr @.str.2243)
-  unreachable
-ok3527:
-  %t1149 = getelementptr inbounds %S.gen.Gen, ptr %t1147, i32 0, i32 16
-  %t1150 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1149, i32 0, i32 1
-  %t1151 = load i64, ptr %t1150
-  store i64 0, ptr %a1152
-  br label %for.cond3528
-for.cond3528:
-  %t1153 = load i64, ptr %a1152
-  %t1154 = icmp slt i64 %t1153, %t1151
-  br i1 %t1154, label %for.body3529, label %for.end3531
-for.body3529:
-  %t1155 = load ptr, ptr %a1
-  %t1156 = icmp eq ptr %t1155, null
-  br i1 %t1156, label %panic3532, label %ok3533
-panic3532:
-  call void @finch_panic(ptr @.str.2244, i64 1423, ptr @.str.2245)
-  unreachable
-ok3533:
-  %t1157 = getelementptr inbounds %S.gen.Gen, ptr %t1155, i32 0, i32 16
-  %t1158 = load i64, ptr %a1152
-  %t1159 = load { ptr, i64, i64 }, ptr %t1157
-  %t1160 = extractvalue { ptr, i64, i64 } %t1159, 1
-  %t1161 = icmp uge i64 %t1158, %t1160
-  br i1 %t1161, label %range3534, label %inrange3535
-range3534:
-  call void @finch_panic_index(ptr @.str.2246, i64 1423, i64 %t1158, i64 %t1160)
-  unreachable
-inrange3535:
-  %t1162 = extractvalue { ptr, i64, i64 } %t1159, 0
-  %t1163 = getelementptr inbounds %S.gen.Template, ptr %t1162, i64 %t1158
-  %t1164 = load %S.gen.Template, ptr %t1163
-  store %S.gen.Template %t1164, ptr %a1165
-  call void @finch.copy.S_gen_Template(ptr %a1166, ptr %a1165)
-  %t1167 = load %S.gen.Template, ptr %a1166
-  store %S.gen.Template %t1167, ptr %a1168
-  %t1169 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 2
-  %t1170 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1169, i32 0, i32 1
-  %t1171 = load i64, ptr %t1170
-  %t1172 = icmp sgt i64 %t1171, 0
-  br label %logic.from3536
-logic.from3536:
-  br i1 %t1172, label %logic.rhs3537, label %logic.end3538
-logic.rhs3537:
-  %t1173 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 7
-  %t1174 = load i1, ptr %t1173
-  %t1175 = xor i1 %t1174, true
-  br label %logic.rend3539
-logic.rend3539:
-  br label %logic.end3538
-logic.end3538:
-  %t1176 = phi i1 [ false, %logic.from3536 ], [ %t1175, %logic.rend3539 ]
-  br i1 %t1176, label %then3540, label %endif3542
-then3540:
-  %t1177 = load ptr, ptr %a1
-  %t1178 = icmp eq ptr %t1177, null
-  br i1 %t1178, label %panic3543, label %ok3544
-panic3543:
-  call void @finch_panic(ptr @.str.2247, i64 1425, ptr @.str.2248)
-  unreachable
-ok3544:
-  %t1179 = getelementptr inbounds %S.gen.Gen, ptr %t1177, i32 0, i32 0
-  %t1180 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 4
-  %t1181 = load i64, ptr %t1180
-  %t1182 = load { ptr, i64, i64 }, ptr %t1179
-  %t1183 = extractvalue { ptr, i64, i64 } %t1182, 1
-  %t1184 = icmp uge i64 %t1181, %t1183
-  br i1 %t1184, label %range3545, label %inrange3546
-range3545:
-  call void @finch_panic_index(ptr @.str.2249, i64 1425, i64 %t1181, i64 %t1183)
-  unreachable
-inrange3546:
-  %t1185 = extractvalue { ptr, i64, i64 } %t1182, 0
-  %t1186 = getelementptr inbounds %S.ast.Program, ptr %t1185, i64 %t1181
-  %t1187 = getelementptr inbounds %S.ast.Program, ptr %t1186, i32 0, i32 8
-  %t1188 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 5
-  %t1189 = load i64, ptr %t1188
-  %t1190 = load { ptr, i64, i64 }, ptr %t1187
-  %t1191 = extractvalue { ptr, i64, i64 } %t1190, 1
-  %t1192 = icmp uge i64 %t1189, %t1191
-  br i1 %t1192, label %range3547, label %inrange3548
-range3547:
-  call void @finch_panic_index(ptr @.str.2250, i64 1425, i64 %t1189, i64 %t1191)
-  unreachable
-inrange3548:
-  %t1193 = extractvalue { ptr, i64, i64 } %t1190, 0
-  %t1194 = getelementptr inbounds %S.ast.Node, ptr %t1193, i64 %t1189
-  %t1195 = load %S.ast.Node, ptr %t1194
-  store %S.ast.Node %t1195, ptr %a1196
-  call void @finch.copy.S_ast_Node(ptr %a1197, ptr %a1196)
-  %t1198 = load %S.ast.Node, ptr %a1197
-  store %S.ast.Node %t1198, ptr %a1199
-  %t1200 = load ptr, ptr %a1
-  %t1201 = getelementptr inbounds %S.ast.Node, ptr %a1199, i32 0, i32 9
-  %t1202 = getelementptr inbounds %S.ast.Node, ptr %a1199, i32 0, i32 9
-  %t1203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1202, i32 0, i32 1
-  %t1204 = load i64, ptr %t1203
-  %t1205 = sub i64 %t1204, 1
-  %t1206 = load { ptr, i64, i64 }, ptr %t1201
-  %t1207 = extractvalue { ptr, i64, i64 } %t1206, 1
-  %t1208 = icmp uge i64 %t1205, %t1207
-  br i1 %t1208, label %range3549, label %inrange3550
-range3549:
-  call void @finch_panic_index(ptr @.str.2252, i64 1426, i64 %t1205, i64 %t1207)
-  unreachable
-inrange3550:
-  %t1209 = extractvalue { ptr, i64, i64 } %t1206, 0
-  %t1210 = getelementptr inbounds %S.ast.Node, ptr %t1209, i64 %t1205
-  %t1211 = load %S.ast.Node, ptr %t1210
-  %t1212 = call i1 @finch.gen.mutates(ptr %t1200, { ptr, i64, i64 } { ptr @.str.2251, i64 4, i64 0 }, %S.ast.Node %t1211)
-  br i1 %t1212, label %then3551, label %endif3553
-then3551:
-  %t1213 = load ptr, ptr %a1
-  %t1214 = icmp eq ptr %t1213, null
-  br i1 %t1214, label %panic3554, label %ok3555
-panic3554:
-  call void @finch_panic(ptr @.str.2253, i64 1427, ptr @.str.2254)
-  unreachable
-ok3555:
-  %t1215 = getelementptr inbounds %S.gen.Gen, ptr %t1213, i32 0, i32 16
-  %t1216 = load i64, ptr %a1152
-  %t1217 = load { ptr, i64, i64 }, ptr %t1215
-  %t1218 = extractvalue { ptr, i64, i64 } %t1217, 1
-  %t1219 = icmp uge i64 %t1216, %t1218
-  br i1 %t1219, label %range3556, label %inrange3557
-range3556:
-  call void @finch_panic_index(ptr @.str.2255, i64 1427, i64 %t1216, i64 %t1218)
-  unreachable
-inrange3557:
-  %t1220 = extractvalue { ptr, i64, i64 } %t1217, 0
-  %t1221 = getelementptr inbounds %S.gen.Template, ptr %t1220, i64 %t1216
-  %t1222 = getelementptr inbounds %S.gen.Template, ptr %t1221, i32 0, i32 7
-  store i1 true, ptr %t1222
-  %t1223 = load ptr, ptr %a1
-  %t1224 = icmp eq ptr %t1223, null
-  br i1 %t1224, label %panic3558, label %ok3559
-panic3558:
-  call void @finch_panic(ptr @.str.2256, i64 1428, ptr @.str.2257)
-  unreachable
-ok3559:
-  %t1225 = getelementptr inbounds %S.gen.Gen, ptr %t1223, i32 0, i32 22
-  %t1226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1225, i32 0, i32 1
-  %t1227 = getelementptr inbounds %S.gen.Template, ptr %a1168, i32 0, i32 1
-  %t1228 = load { ptr, i64, i64 }, ptr %t1227
-  store { ptr, i64, i64 } %t1228, ptr %a1229
-  call void @finch_str_copy(ptr %a1230, ptr %a1229)
-  %t1231 = load { ptr, i64, i64 }, ptr %a1230
-  %t1232 = load i64, ptr %t1226
-  %t1233 = add i64 %t1232, 1
-  call void @finch_arr_reserve(ptr %t1225, i64 %t1233, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t1234 = load ptr, ptr %t1225
-  %t1235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1234, i64 %t1232
-  store { ptr, i64, i64 } %t1231, ptr %t1235
-  store i64 %t1233, ptr %t1226
-  store i1 true, ptr %a1023
-  br label %endif3553
-endif3553:
-  br label %endif3542
-endif3542:
-  br label %for.step3530
-for.step3530:
-  %t1236 = load i64, ptr %a1152
-  %t1237 = add i64 %t1236, 1
-  store i64 %t1237, ptr %a1152
-  br label %for.cond3528
-for.end3531:
-  br label %while.cond3473
-while.end3475:
-  %t1238 = load ptr, ptr %a1
-  %t1239 = icmp eq ptr %t1238, null
-  br i1 %t1239, label %panic3560, label %ok3561
+  %t489 = getelementptr inbounds %S.ast.Program, ptr %t488, i32 0, i32 0
+  %t490 = load { ptr, i64, i64 }, ptr %t489
+  %t491 = load ptr, ptr %a1
+  %t492 = icmp eq ptr %t491, null
+  br i1 %t492, label %panic3560, label %ok3561
 panic3560:
-  call void @finch_panic(ptr @.str.2258, i64 1435, ptr @.str.2259)
+  call void @finch_panic(ptr @.str.2227, i64 1492, ptr @.str.2228)
   unreachable
 ok3561:
-  %t1240 = getelementptr inbounds %S.gen.Gen, ptr %t1238, i32 0, i32 14
-  %t1241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1240, i32 0, i32 1
-  %t1242 = load i64, ptr %t1241
-  store i64 0, ptr %a1243
-  br label %for.cond3562
-for.cond3562:
-  %t1244 = load i64, ptr %a1243
-  %t1245 = icmp slt i64 %t1244, %t1242
-  br i1 %t1245, label %for.body3563, label %for.end3565
-for.body3563:
-  %t1246 = load ptr, ptr %a1
-  %t1247 = icmp eq ptr %t1246, null
-  br i1 %t1247, label %panic3566, label %ok3567
-panic3566:
-  call void @finch_panic(ptr @.str.2260, i64 1436, ptr @.str.2261)
+  %t493 = getelementptr inbounds %S.gen.Gen, ptr %t491, i32 0, i32 14
+  store { ptr, i64, i64 } %t490, ptr %a494
+  call void @finch_str_copy(ptr %a495, ptr %a494)
+  %t496 = load { ptr, i64, i64 }, ptr %a495
+  %t497 = load { ptr, i64, i64 }, ptr %t493
+  store { ptr, i64, i64 } %t496, ptr %t493
+  store { ptr, i64, i64 } %t497, ptr %a498
+  call void @finch_str_drop(ptr %a498)
+  %t499 = load ptr, ptr %a1
+  %t500 = icmp eq ptr %t499, null
+  br i1 %t500, label %panic3562, label %ok3563
+panic3562:
+  call void @finch_panic(ptr @.str.2229, i64 1493, ptr @.str.2230)
   unreachable
-ok3567:
-  %t1248 = getelementptr inbounds %S.gen.Gen, ptr %t1246, i32 0, i32 0
-  %t1249 = load ptr, ptr %a1
-  %t1250 = icmp eq ptr %t1249, null
-  br i1 %t1250, label %panic3568, label %ok3569
-panic3568:
-  call void @finch_panic(ptr @.str.2262, i64 1436, ptr @.str.2263)
+ok3563:
+  %t501 = getelementptr inbounds %S.gen.Gen, ptr %t499, i32 0, i32 0
+  %t502 = load i64, ptr %a477
+  %t503 = load { ptr, i64, i64 }, ptr %t501
+  %t504 = extractvalue { ptr, i64, i64 } %t503, 1
+  %t505 = icmp uge i64 %t502, %t504
+  br i1 %t505, label %range3564, label %inrange3565
+range3564:
+  call void @finch_panic_index(ptr @.str.2231, i64 1493, i64 %t502, i64 %t504)
   unreachable
-ok3569:
-  %t1251 = getelementptr inbounds %S.gen.Gen, ptr %t1249, i32 0, i32 14
-  %t1252 = load i64, ptr %a1243
-  %t1253 = load { ptr, i64, i64 }, ptr %t1251
-  %t1254 = extractvalue { ptr, i64, i64 } %t1253, 1
-  %t1255 = icmp uge i64 %t1252, %t1254
-  br i1 %t1255, label %range3570, label %inrange3571
-range3570:
-  call void @finch_panic_index(ptr @.str.2264, i64 1436, i64 %t1252, i64 %t1254)
+inrange3565:
+  %t506 = extractvalue { ptr, i64, i64 } %t503, 0
+  %t507 = getelementptr inbounds %S.ast.Program, ptr %t506, i64 %t502
+  %t508 = getelementptr inbounds %S.ast.Program, ptr %t507, i32 0, i32 8
+  %t509 = getelementptr inbounds { ptr, i64, i64 }, ptr %t508, i32 0, i32 1
+  %t510 = load i64, ptr %t509
+  store i64 0, ptr %a511
+  br label %for.cond3566
+for.cond3566:
+  %t512 = load i64, ptr %a511
+  %t513 = icmp slt i64 %t512, %t510
+  br i1 %t513, label %for.body3567, label %for.end3569
+for.body3567:
+  %t514 = load ptr, ptr %a1
+  %t515 = icmp eq ptr %t514, null
+  br i1 %t515, label %panic3570, label %ok3571
+panic3570:
+  call void @finch_panic(ptr @.str.2232, i64 1494, ptr @.str.2233)
   unreachable
-inrange3571:
-  %t1256 = extractvalue { ptr, i64, i64 } %t1253, 0
-  %t1257 = getelementptr inbounds %S.gen.FnSig, ptr %t1256, i64 %t1252
-  %t1258 = getelementptr inbounds %S.gen.FnSig, ptr %t1257, i32 0, i32 16
-  %t1259 = load i64, ptr %t1258
-  %t1260 = load { ptr, i64, i64 }, ptr %t1248
-  %t1261 = extractvalue { ptr, i64, i64 } %t1260, 1
-  %t1262 = icmp uge i64 %t1259, %t1261
-  br i1 %t1262, label %range3572, label %inrange3573
+ok3571:
+  %t516 = getelementptr inbounds %S.gen.Gen, ptr %t514, i32 0, i32 0
+  %t517 = load i64, ptr %a477
+  %t518 = load { ptr, i64, i64 }, ptr %t516
+  %t519 = extractvalue { ptr, i64, i64 } %t518, 1
+  %t520 = icmp uge i64 %t517, %t519
+  br i1 %t520, label %range3572, label %inrange3573
 range3572:
-  call void @finch_panic_index(ptr @.str.2265, i64 1436, i64 %t1259, i64 %t1261)
+  call void @finch_panic_index(ptr @.str.2234, i64 1494, i64 %t517, i64 %t519)
   unreachable
 inrange3573:
-  %t1263 = extractvalue { ptr, i64, i64 } %t1260, 0
-  %t1264 = getelementptr inbounds %S.ast.Program, ptr %t1263, i64 %t1259
-  %t1265 = getelementptr inbounds %S.ast.Program, ptr %t1264, i32 0, i32 8
-  %t1266 = load ptr, ptr %a1
-  %t1267 = icmp eq ptr %t1266, null
-  br i1 %t1267, label %panic3574, label %ok3575
-panic3574:
-  call void @finch_panic(ptr @.str.2266, i64 1436, ptr @.str.2267)
+  %t521 = extractvalue { ptr, i64, i64 } %t518, 0
+  %t522 = getelementptr inbounds %S.ast.Program, ptr %t521, i64 %t517
+  %t523 = getelementptr inbounds %S.ast.Program, ptr %t522, i32 0, i32 8
+  %t524 = load i64, ptr %a511
+  %t525 = load { ptr, i64, i64 }, ptr %t523
+  %t526 = extractvalue { ptr, i64, i64 } %t525, 1
+  %t527 = icmp uge i64 %t524, %t526
+  br i1 %t527, label %range3574, label %inrange3575
+range3574:
+  call void @finch_panic_index(ptr @.str.2235, i64 1494, i64 %t524, i64 %t526)
   unreachable
-ok3575:
-  %t1268 = getelementptr inbounds %S.gen.Gen, ptr %t1266, i32 0, i32 14
-  %t1269 = load i64, ptr %a1243
-  %t1270 = load { ptr, i64, i64 }, ptr %t1268
-  %t1271 = extractvalue { ptr, i64, i64 } %t1270, 1
-  %t1272 = icmp uge i64 %t1269, %t1271
-  br i1 %t1272, label %range3576, label %inrange3577
-range3576:
-  call void @finch_panic_index(ptr @.str.2268, i64 1436, i64 %t1269, i64 %t1271)
+inrange3575:
+  %t528 = extractvalue { ptr, i64, i64 } %t525, 0
+  %t529 = getelementptr inbounds %S.ast.Node, ptr %t528, i64 %t524
+  %t530 = load %S.ast.Node, ptr %t529
+  store %S.ast.Node %t530, ptr %a531
+  call void @finch.copy.S_ast_Node(ptr %a532, ptr %a531)
+  %t533 = load %S.ast.Node, ptr %a532
+  store %S.ast.Node %t533, ptr %a534
+  %t535 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 3
+  %t536 = getelementptr inbounds { ptr, i64, i64 }, ptr %t535, i32 0, i32 1
+  %t537 = load i64, ptr %t536
+  %t538 = icmp sgt i64 %t537, 0
+  br i1 %t538, label %then3576, label %endif3578
+then3576:
+  %t539 = load ptr, ptr %a1
+  %t540 = load ptr, ptr %a1
+  %t541 = icmp eq ptr %t540, null
+  br i1 %t541, label %panic3579, label %ok3580
+panic3579:
+  call void @finch_panic(ptr @.str.2236, i64 1497, ptr @.str.2237)
   unreachable
-inrange3577:
-  %t1273 = extractvalue { ptr, i64, i64 } %t1270, 0
-  %t1274 = getelementptr inbounds %S.gen.FnSig, ptr %t1273, i64 %t1269
-  %t1275 = getelementptr inbounds %S.gen.FnSig, ptr %t1274, i32 0, i32 17
-  %t1276 = load i64, ptr %t1275
-  %t1277 = load { ptr, i64, i64 }, ptr %t1265
-  %t1278 = extractvalue { ptr, i64, i64 } %t1277, 1
-  %t1279 = icmp uge i64 %t1276, %t1278
-  br i1 %t1279, label %range3578, label %inrange3579
-range3578:
-  call void @finch_panic_index(ptr @.str.2269, i64 1436, i64 %t1276, i64 %t1278)
+ok3580:
+  %t542 = getelementptr inbounds %S.gen.Gen, ptr %t540, i32 0, i32 14
+  %t543 = load { ptr, i64, i64 }, ptr %t542
+  %t544 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t545 = load { ptr, i64, i64 }, ptr %t544
+  %t546 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t547 = load { ptr, i64, i64 }, ptr %t546
+  %t548 = call i64 @finch.gen.findTemplate(ptr %t539, { ptr, i64, i64 } %t543, { ptr, i64, i64 } %t545, { ptr, i64, i64 } %t547, i1 false)
+  %t549 = icmp sge i64 %t548, 0
+  br i1 %t549, label %then3581, label %endif3583
+then3581:
+  %t550 = load ptr, ptr %a1
+  %t551 = load %S.ast.Node, ptr %a534
+  %t552 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t553 = load { ptr, i64, i64 }, ptr %t552
+  store { ptr, i64, i64 } { ptr @.str.2238, i64 10, i64 0 }, ptr %a555
+  store { ptr, i64, i64 } %t553, ptr %a556
+  call void @finch_str_concat(ptr %a554, ptr %a555, ptr %a556)
+  %t557 = load { ptr, i64, i64 }, ptr %a554
+  store { ptr, i64, i64 } %t557, ptr %a559
+  store { ptr, i64, i64 } { ptr @.str.2239, i64 18, i64 0 }, ptr %a560
+  call void @finch_str_concat(ptr %a558, ptr %a559, ptr %a560)
+  store { ptr, i64, i64 } %t557, ptr %a561
+  call void @finch_str_drop(ptr %a561)
+  %t562 = load { ptr, i64, i64 }, ptr %a558
+  call void @finch.gen.fail(ptr %t550, %S.ast.Node %t551, { ptr, i64, i64 } %t562)
+  store { ptr, i64, i64 } %t562, ptr %a563
+  call void @finch_str_drop(ptr %a563)
+  br label %endif3583
+endif3583:
+  %t564 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t565 = getelementptr inbounds { ptr, i64, i64 }, ptr %t564, i32 0, i32 1
+  %t566 = load i64, ptr %t565
+  %t567 = icmp sgt i64 %t566, 0
+  br label %logic.from3584
+logic.from3584:
+  br i1 %t567, label %logic.rhs3585, label %logic.end3586
+logic.rhs3585:
+  %t568 = load ptr, ptr %a1
+  %t569 = load ptr, ptr %a1
+  %t570 = icmp eq ptr %t569, null
+  br i1 %t570, label %panic3587, label %ok3588
+panic3587:
+  call void @finch_panic(ptr @.str.2240, i64 1500, ptr @.str.2241)
   unreachable
-inrange3579:
-  %t1280 = extractvalue { ptr, i64, i64 } %t1277, 0
-  %t1281 = getelementptr inbounds %S.ast.Node, ptr %t1280, i64 %t1276
-  %t1282 = load %S.ast.Node, ptr %t1281
-  store %S.ast.Node %t1282, ptr %a1283
-  call void @finch.copy.S_ast_Node(ptr %a1284, ptr %a1283)
-  %t1285 = load %S.ast.Node, ptr %a1284
-  store %S.ast.Node %t1285, ptr %a1286
-  %t1287 = getelementptr inbounds %S.ast.Node, ptr %a1286, i32 0, i32 9
-  %t1288 = getelementptr inbounds %S.ast.Node, ptr %a1286, i32 0, i32 9
-  %t1289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1288, i32 0, i32 1
-  %t1290 = load i64, ptr %t1289
-  %t1291 = sub i64 %t1290, 1
-  %t1292 = load { ptr, i64, i64 }, ptr %t1287
-  %t1293 = extractvalue { ptr, i64, i64 } %t1292, 1
-  %t1294 = icmp uge i64 %t1291, %t1293
-  br i1 %t1294, label %range3580, label %inrange3581
-range3580:
-  call void @finch_panic_index(ptr @.str.2270, i64 1437, i64 %t1291, i64 %t1293)
+ok3588:
+  %t571 = getelementptr inbounds %S.gen.Gen, ptr %t569, i32 0, i32 14
+  %t572 = load { ptr, i64, i64 }, ptr %t571
+  %t573 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t574 = load { ptr, i64, i64 }, ptr %t573
+  %t575 = call i64 @finch.gen.findTemplate(ptr %t568, { ptr, i64, i64 } %t572, { ptr, i64, i64 } %t574, { ptr, i64, i64 } { ptr @.str.2242, i64 0, i64 0 }, i1 true)
+  %t576 = icmp slt i64 %t575, 0
+  br label %logic.rend3589
+logic.rend3589:
+  br label %logic.end3586
+logic.end3586:
+  %t577 = phi i1 [ false, %logic.from3584 ], [ %t576, %logic.rend3589 ]
+  br i1 %t577, label %then3590, label %endif3592
+then3590:
+  %t578 = load ptr, ptr %a1
+  %t579 = load %S.ast.Node, ptr %a534
+  %t580 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t581 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } { ptr @.str.2243, i64 34, i64 0 }, ptr %a583
+  store { ptr, i64, i64 } %t581, ptr %a584
+  call void @finch_str_concat(ptr %a582, ptr %a583, ptr %a584)
+  %t585 = load { ptr, i64, i64 }, ptr %a582
+  store { ptr, i64, i64 } %t585, ptr %a587
+  store { ptr, i64, i64 } { ptr @.str.2244, i64 53, i64 0 }, ptr %a588
+  call void @finch_str_concat(ptr %a586, ptr %a587, ptr %a588)
+  store { ptr, i64, i64 } %t585, ptr %a589
+  call void @finch_str_drop(ptr %a589)
+  %t590 = load { ptr, i64, i64 }, ptr %a586
+  call void @finch.gen.fail(ptr %t578, %S.ast.Node %t579, { ptr, i64, i64 } %t590)
+  store { ptr, i64, i64 } %t590, ptr %a591
+  call void @finch_str_drop(ptr %a591)
+  br label %endif3592
+endif3592:
+  %t592 = load ptr, ptr %a1
+  %t593 = icmp eq ptr %t592, null
+  br i1 %t593, label %panic3593, label %ok3594
+panic3593:
+  call void @finch_panic(ptr @.str.2245, i64 1503, ptr @.str.2246)
   unreachable
-inrange3581:
-  %t1295 = extractvalue { ptr, i64, i64 } %t1292, 0
-  %t1296 = getelementptr inbounds %S.ast.Node, ptr %t1295, i64 %t1291
-  %t1297 = load %S.ast.Node, ptr %t1296
-  store %S.ast.Node %t1297, ptr %a1298
-  call void @finch.copy.S_ast_Node(ptr %a1299, ptr %a1298)
-  %t1300 = load %S.ast.Node, ptr %a1299
-  store %S.ast.Node %t1300, ptr %a1301
-  %t1302 = load ptr, ptr %a1
-  %t1303 = icmp eq ptr %t1302, null
-  br i1 %t1303, label %panic3582, label %ok3583
-panic3582:
-  call void @finch_panic(ptr @.str.2271, i64 1438, ptr @.str.2272)
+ok3594:
+  %t594 = getelementptr inbounds %S.gen.Gen, ptr %t592, i32 0, i32 17
+  %t595 = getelementptr inbounds { ptr, i64, i64 }, ptr %t594, i32 0, i32 1
+  %t596 = load ptr, ptr %a1
+  %t597 = icmp eq ptr %t596, null
+  br i1 %t597, label %panic3595, label %ok3596
+panic3595:
+  call void @finch_panic(ptr @.str.2247, i64 1503, ptr @.str.2248)
   unreachable
-ok3583:
-  %t1304 = getelementptr inbounds %S.gen.Gen, ptr %t1302, i32 0, i32 14
-  %t1305 = load i64, ptr %a1243
-  %t1306 = load { ptr, i64, i64 }, ptr %t1304
-  %t1307 = extractvalue { ptr, i64, i64 } %t1306, 1
-  %t1308 = icmp uge i64 %t1305, %t1307
-  br i1 %t1308, label %range3584, label %inrange3585
-range3584:
-  call void @finch_panic_index(ptr @.str.2273, i64 1438, i64 %t1305, i64 %t1307)
+ok3596:
+  %t598 = getelementptr inbounds %S.gen.Gen, ptr %t596, i32 0, i32 14
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  store { ptr, i64, i64 } %t599, ptr %a600
+  call void @finch_str_copy(ptr %a601, ptr %a600)
+  %t602 = load { ptr, i64, i64 }, ptr %a601
+  %t603 = insertvalue %S.gen.Template zeroinitializer, { ptr, i64, i64 } %t602, 0
+  %t604 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t605 = load { ptr, i64, i64 }, ptr %t604
+  store { ptr, i64, i64 } %t605, ptr %a606
+  call void @finch_str_copy(ptr %a607, ptr %a606)
+  %t608 = load { ptr, i64, i64 }, ptr %a607
+  %t609 = insertvalue %S.gen.Template %t603, { ptr, i64, i64 } %t608, 1
+  %t610 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t611 = load { ptr, i64, i64 }, ptr %t610
+  store { ptr, i64, i64 } %t611, ptr %a612
+  call void @finch_str_copy(ptr %a613, ptr %a612)
+  %t614 = load { ptr, i64, i64 }, ptr %a613
+  %t615 = insertvalue %S.gen.Template %t609, { ptr, i64, i64 } %t614, 2
+  %t616 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 3
+  %t617 = load { ptr, i64, i64 }, ptr %t616
+  store { ptr, i64, i64 } %t617, ptr %a618
+  call void @finch.copy.arr_str(ptr %a619, ptr %a618)
+  %t620 = load { ptr, i64, i64 }, ptr %a619
+  %t621 = insertvalue %S.gen.Template %t615, { ptr, i64, i64 } %t620, 3
+  %t622 = load i64, ptr %a477
+  %t623 = insertvalue %S.gen.Template %t621, i64 %t622, 4
+  %t624 = load i64, ptr %a511
+  %t625 = insertvalue %S.gen.Template %t623, i64 %t624, 5
+  %t626 = load i64, ptr %t595
+  %t627 = add i64 %t626, 1
+  call void @finch_arr_reserve(ptr %t594, i64 %t627, i64 ptrtoint (ptr getelementptr (%S.gen.Template, ptr null, i32 1) to i64))
+  %t628 = load ptr, ptr %t594
+  %t629 = getelementptr inbounds %S.gen.Template, ptr %t628, i64 %t626
+  store %S.gen.Template %t625, ptr %t629
+  store i64 %t627, ptr %t595
+  call void @finch.drop.S_ast_Node(ptr %a534)
+  br label %for.step3568
+endif3578:
+  %t630 = load ptr, ptr %a1
+  %t631 = icmp eq ptr %t630, null
+  br i1 %t631, label %panic3597, label %ok3598
+panic3597:
+  call void @finch_panic(ptr @.str.2249, i64 1506, ptr @.str.2250)
   unreachable
-inrange3585:
-  %t1309 = extractvalue { ptr, i64, i64 } %t1306, 0
-  %t1310 = getelementptr inbounds %S.gen.FnSig, ptr %t1309, i64 %t1305
-  %t1311 = getelementptr inbounds %S.gen.FnSig, ptr %t1310, i32 0, i32 13
-  %t1312 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1311, i32 0, i32 1
-  %t1313 = load i64, ptr %t1312
-  store i64 0, ptr %a1314
-  br label %for.cond3586
-for.cond3586:
-  %t1315 = load i64, ptr %a1314
-  %t1316 = icmp slt i64 %t1315, %t1313
-  br i1 %t1316, label %for.body3587, label %for.end3589
-for.body3587:
-  %t1317 = load ptr, ptr %a1
-  %t1318 = icmp eq ptr %t1317, null
-  br i1 %t1318, label %panic3590, label %ok3591
-panic3590:
-  call void @finch_panic(ptr @.str.2274, i64 1439, ptr @.str.2275)
+ok3598:
+  %t632 = getelementptr inbounds %S.gen.Gen, ptr %t630, i32 0, i32 14
+  %t633 = load { ptr, i64, i64 }, ptr %t632
+  store { ptr, i64, i64 } %t633, ptr %a634
+  call void @finch_str_copy(ptr %a635, ptr %a634)
+  %t636 = load { ptr, i64, i64 }, ptr %a635
+  store { ptr, i64, i64 } %t636, ptr %a637
+  store i1 false, ptr %a638
+  %t639 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t640 = getelementptr inbounds { ptr, i64, i64 }, ptr %t639, i32 0, i32 1
+  %t641 = load i64, ptr %t640
+  %t642 = icmp sgt i64 %t641, 0
+  br label %logic.from3599
+logic.from3599:
+  br i1 %t642, label %logic.rhs3600, label %logic.end3601
+logic.rhs3600:
+  %t643 = load ptr, ptr %a1
+  %t644 = load ptr, ptr %a1
+  %t645 = icmp eq ptr %t644, null
+  br i1 %t645, label %panic3602, label %ok3603
+panic3602:
+  call void @finch_panic(ptr @.str.2251, i64 1508, ptr @.str.2252)
   unreachable
-ok3591:
-  %t1319 = getelementptr inbounds %S.gen.Gen, ptr %t1317, i32 0, i32 14
-  %t1320 = load i64, ptr %a1243
-  %t1321 = load { ptr, i64, i64 }, ptr %t1319
-  %t1322 = extractvalue { ptr, i64, i64 } %t1321, 1
-  %t1323 = icmp uge i64 %t1320, %t1322
-  br i1 %t1323, label %range3592, label %inrange3593
-range3592:
-  call void @finch_panic_index(ptr @.str.2276, i64 1439, i64 %t1320, i64 %t1322)
+ok3603:
+  %t646 = getelementptr inbounds %S.gen.Gen, ptr %t644, i32 0, i32 14
+  %t647 = load { ptr, i64, i64 }, ptr %t646
+  %t648 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t649 = load { ptr, i64, i64 }, ptr %t648
+  %t650 = call i64 @finch.gen.findEnum(ptr %t643, { ptr, i64, i64 } %t647, { ptr, i64, i64 } %t649)
+  %t651 = icmp sge i64 %t650, 0
+  br label %logic.rend3604
+logic.rend3604:
+  br label %logic.end3601
+logic.end3601:
+  %t652 = phi i1 [ false, %logic.from3599 ], [ %t651, %logic.rend3604 ]
+  br i1 %t652, label %then3605, label %else3606
+then3605:
+  store i1 true, ptr %a638
+  %t653 = load ptr, ptr %a1
+  %t654 = load { ptr, i64, i64 }, ptr %a637
+  %t655 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t656 = load { ptr, i64, i64 }, ptr %t655
+  %t657 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t658 = load { ptr, i64, i64 }, ptr %t657
+  %t659 = call i64 @finch.gen.findMethod(ptr %t653, { ptr, i64, i64 } %t654, { ptr, i64, i64 } %t656, { ptr, i64, i64 } %t658)
+  %t660 = icmp sge i64 %t659, 0
+  br i1 %t660, label %then3608, label %endif3610
+then3608:
+  %t661 = load ptr, ptr %a1
+  %t662 = load %S.ast.Node, ptr %a534
+  %t663 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t664 = load { ptr, i64, i64 }, ptr %t663
+  store { ptr, i64, i64 } { ptr @.str.2253, i64 11, i64 0 }, ptr %a666
+  store { ptr, i64, i64 } %t664, ptr %a667
+  call void @finch_str_concat(ptr %a665, ptr %a666, ptr %a667)
+  %t668 = load { ptr, i64, i64 }, ptr %a665
+  store { ptr, i64, i64 } %t668, ptr %a670
+  store { ptr, i64, i64 } { ptr @.str.2254, i64 1, i64 0 }, ptr %a671
+  call void @finch_str_concat(ptr %a669, ptr %a670, ptr %a671)
+  store { ptr, i64, i64 } %t668, ptr %a672
+  call void @finch_str_drop(ptr %a672)
+  %t673 = load { ptr, i64, i64 }, ptr %a669
+  %t674 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t675 = load { ptr, i64, i64 }, ptr %t674
+  store { ptr, i64, i64 } %t673, ptr %a677
+  store { ptr, i64, i64 } %t675, ptr %a678
+  call void @finch_str_concat(ptr %a676, ptr %a677, ptr %a678)
+  store { ptr, i64, i64 } %t673, ptr %a679
+  call void @finch_str_drop(ptr %a679)
+  %t680 = load { ptr, i64, i64 }, ptr %a676
+  store { ptr, i64, i64 } %t680, ptr %a682
+  store { ptr, i64, i64 } { ptr @.str.2255, i64 17, i64 0 }, ptr %a683
+  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
+  store { ptr, i64, i64 } %t680, ptr %a684
+  call void @finch_str_drop(ptr %a684)
+  %t685 = load { ptr, i64, i64 }, ptr %a681
+  call void @finch.gen.fail(ptr %t661, %S.ast.Node %t662, { ptr, i64, i64 } %t685)
+  store { ptr, i64, i64 } %t685, ptr %a686
+  call void @finch_str_drop(ptr %a686)
+  br label %endif3610
+endif3610:
+  br label %endif3607
+else3606:
+  %t687 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t688 = getelementptr inbounds { ptr, i64, i64 }, ptr %t687, i32 0, i32 1
+  %t689 = load i64, ptr %t688
+  %t690 = icmp sgt i64 %t689, 0
+  br i1 %t690, label %then3611, label %else3612
+then3611:
+  %t691 = load ptr, ptr %a1
+  %t692 = load ptr, ptr %a1
+  %t693 = icmp eq ptr %t692, null
+  br i1 %t693, label %panic3614, label %ok3615
+panic3614:
+  call void @finch_panic(ptr @.str.2256, i64 1514, ptr @.str.2257)
   unreachable
-inrange3593:
-  %t1324 = extractvalue { ptr, i64, i64 } %t1321, 0
-  %t1325 = getelementptr inbounds %S.gen.FnSig, ptr %t1324, i64 %t1320
-  %t1326 = getelementptr inbounds %S.gen.FnSig, ptr %t1325, i32 0, i32 13
-  %t1327 = load i64, ptr %a1314
-  %t1328 = load { ptr, i64, i64 }, ptr %t1326
-  %t1329 = extractvalue { ptr, i64, i64 } %t1328, 1
-  %t1330 = icmp uge i64 %t1327, %t1329
-  br i1 %t1330, label %range3594, label %inrange3595
-range3594:
-  call void @finch_panic_index(ptr @.str.2277, i64 1439, i64 %t1327, i64 %t1329)
+ok3615:
+  %t694 = getelementptr inbounds %S.gen.Gen, ptr %t692, i32 0, i32 14
+  %t695 = load { ptr, i64, i64 }, ptr %t694
+  %t696 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t697 = load { ptr, i64, i64 }, ptr %t696
+  %t698 = call i64 @finch.gen.findStruct(ptr %t691, { ptr, i64, i64 } %t695, { ptr, i64, i64 } %t697)
+  store i64 %t698, ptr %a699
+  %t700 = load i64, ptr %a699
+  %t701 = icmp slt i64 %t700, 0
+  br label %logic.from3616
+logic.from3616:
+  br i1 %t701, label %logic.rhs3617, label %logic.end3618
+logic.rhs3617:
+  %t702 = load ptr, ptr %a1
+  %t703 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t704 = load { ptr, i64, i64 }, ptr %t703
+  %t705 = call i64 @finch.gen.findStruct(ptr %t702, { ptr, i64, i64 } { ptr @.str.2258, i64 1, i64 0 }, { ptr, i64, i64 } %t704)
+  %t706 = icmp sge i64 %t705, 0
+  br label %logic.rend3619
+logic.rend3619:
+  br label %logic.end3618
+logic.end3618:
+  %t707 = phi i1 [ false, %logic.from3616 ], [ %t706, %logic.rend3619 ]
+  br i1 %t707, label %then3620, label %endif3622
+then3620:
+  %t708 = load ptr, ptr %a1
+  %t709 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t710 = load { ptr, i64, i64 }, ptr %t709
+  %t711 = call i64 @finch.gen.findStruct(ptr %t708, { ptr, i64, i64 } { ptr @.str.2259, i64 1, i64 0 }, { ptr, i64, i64 } %t710)
+  store i64 %t711, ptr %a699
+  %t712 = load { ptr, i64, i64 }, ptr %a637
+  store { ptr, i64, i64 } { ptr @.str.2260, i64 1, i64 0 }, ptr %a637
+  store { ptr, i64, i64 } %t712, ptr %a713
+  call void @finch_str_drop(ptr %a713)
+  br label %endif3622
+endif3622:
+  %t714 = load i64, ptr %a699
+  %t715 = icmp slt i64 %t714, 0
+  br i1 %t715, label %then3623, label %endif3625
+then3623:
+  %t716 = load ptr, ptr %a1
+  %t717 = load %S.ast.Node, ptr %a534
+  %t718 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t719 = load { ptr, i64, i64 }, ptr %t718
+  store { ptr, i64, i64 } { ptr @.str.2261, i64 26, i64 0 }, ptr %a721
+  store { ptr, i64, i64 } %t719, ptr %a722
+  call void @finch_str_concat(ptr %a720, ptr %a721, ptr %a722)
+  %t723 = load { ptr, i64, i64 }, ptr %a720
+  store { ptr, i64, i64 } %t723, ptr %a725
+  store { ptr, i64, i64 } { ptr @.str.2262, i64 76, i64 0 }, ptr %a726
+  call void @finch_str_concat(ptr %a724, ptr %a725, ptr %a726)
+  store { ptr, i64, i64 } %t723, ptr %a727
+  call void @finch_str_drop(ptr %a727)
+  %t728 = load { ptr, i64, i64 }, ptr %a724
+  call void @finch.gen.fail(ptr %t716, %S.ast.Node %t717, { ptr, i64, i64 } %t728)
+  store { ptr, i64, i64 } %t728, ptr %a729
+  call void @finch_str_drop(ptr %a729)
+  br label %endif3625
+endif3625:
+  %t730 = load ptr, ptr %a1
+  %t731 = load { ptr, i64, i64 }, ptr %a637
+  %t732 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t733 = load { ptr, i64, i64 }, ptr %t732
+  %t734 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t735 = load { ptr, i64, i64 }, ptr %t734
+  %t736 = call i64 @finch.gen.findMethod(ptr %t730, { ptr, i64, i64 } %t731, { ptr, i64, i64 } %t733, { ptr, i64, i64 } %t735)
+  %t737 = icmp sge i64 %t736, 0
+  br i1 %t737, label %then3626, label %endif3628
+then3626:
+  %t738 = load ptr, ptr %a1
+  %t739 = load %S.ast.Node, ptr %a534
+  %t740 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t741 = load { ptr, i64, i64 }, ptr %t740
+  store { ptr, i64, i64 } { ptr @.str.2263, i64 11, i64 0 }, ptr %a743
+  store { ptr, i64, i64 } %t741, ptr %a744
+  call void @finch_str_concat(ptr %a742, ptr %a743, ptr %a744)
+  %t745 = load { ptr, i64, i64 }, ptr %a742
+  store { ptr, i64, i64 } %t745, ptr %a747
+  store { ptr, i64, i64 } { ptr @.str.2264, i64 1, i64 0 }, ptr %a748
+  call void @finch_str_concat(ptr %a746, ptr %a747, ptr %a748)
+  store { ptr, i64, i64 } %t745, ptr %a749
+  call void @finch_str_drop(ptr %a749)
+  %t750 = load { ptr, i64, i64 }, ptr %a746
+  %t751 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t752 = load { ptr, i64, i64 }, ptr %t751
+  store { ptr, i64, i64 } %t750, ptr %a754
+  store { ptr, i64, i64 } %t752, ptr %a755
+  call void @finch_str_concat(ptr %a753, ptr %a754, ptr %a755)
+  store { ptr, i64, i64 } %t750, ptr %a756
+  call void @finch_str_drop(ptr %a756)
+  %t757 = load { ptr, i64, i64 }, ptr %a753
+  store { ptr, i64, i64 } %t757, ptr %a759
+  store { ptr, i64, i64 } { ptr @.str.2265, i64 17, i64 0 }, ptr %a760
+  call void @finch_str_concat(ptr %a758, ptr %a759, ptr %a760)
+  store { ptr, i64, i64 } %t757, ptr %a761
+  call void @finch_str_drop(ptr %a761)
+  %t762 = load { ptr, i64, i64 }, ptr %a758
+  call void @finch.gen.fail(ptr %t738, %S.ast.Node %t739, { ptr, i64, i64 } %t762)
+  store { ptr, i64, i64 } %t762, ptr %a763
+  call void @finch_str_drop(ptr %a763)
+  br label %endif3628
+endif3628:
+  %t764 = load ptr, ptr %a1
+  %t765 = icmp eq ptr %t764, null
+  br i1 %t765, label %panic3629, label %ok3630
+panic3629:
+  call void @finch_panic(ptr @.str.2266, i64 1525, ptr @.str.2267)
   unreachable
-inrange3595:
-  %t1331 = extractvalue { ptr, i64, i64 } %t1328, 0
-  %t1332 = getelementptr inbounds %S.ast.Type, ptr %t1331, i64 %t1327
-  %t1333 = load %S.ast.Type, ptr %t1332
-  store %S.ast.Type %t1333, ptr %a1334
-  call void @finch.copy.S_ast_Type(ptr %a1335, ptr %a1334)
-  %t1336 = load %S.ast.Type, ptr %a1335
-  store %S.ast.Type %t1336, ptr %a1337
-  %t1338 = load ptr, ptr %a1
-  %t1339 = icmp eq ptr %t1338, null
-  br i1 %t1339, label %panic3596, label %ok3597
-panic3596:
-  call void @finch_panic(ptr @.str.2278, i64 1440, ptr @.str.2279)
+ok3630:
+  %t766 = getelementptr inbounds %S.gen.Gen, ptr %t764, i32 0, i32 16
+  %t767 = load i64, ptr %a699
+  %t768 = load { ptr, i64, i64 }, ptr %t766
+  %t769 = extractvalue { ptr, i64, i64 } %t768, 1
+  %t770 = icmp uge i64 %t767, %t769
+  br i1 %t770, label %range3631, label %inrange3632
+range3631:
+  call void @finch_panic_index(ptr @.str.2268, i64 1525, i64 %t767, i64 %t769)
   unreachable
-ok3597:
-  %t1340 = getelementptr inbounds %S.gen.Gen, ptr %t1338, i32 0, i32 14
-  %t1341 = load i64, ptr %a1243
-  %t1342 = load { ptr, i64, i64 }, ptr %t1340
-  %t1343 = extractvalue { ptr, i64, i64 } %t1342, 1
-  %t1344 = icmp uge i64 %t1341, %t1343
-  br i1 %t1344, label %range3598, label %inrange3599
-range3598:
-  call void @finch_panic_index(ptr @.str.2280, i64 1440, i64 %t1341, i64 %t1343)
+inrange3632:
+  %t771 = extractvalue { ptr, i64, i64 } %t768, 0
+  %t772 = getelementptr inbounds %S.gen.StructDef, ptr %t771, i64 %t767
+  %t773 = getelementptr inbounds %S.gen.StructDef, ptr %t772, i32 0, i32 11
+  %t774 = getelementptr inbounds { ptr, i64, i64 }, ptr %t773, i32 0, i32 1
+  %t775 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t776 = load { ptr, i64, i64 }, ptr %t775
+  store i64 -1, ptr %a777
+  %t778 = load i64, ptr %t774
+  %t779 = load ptr, ptr %t773
+  store i64 0, ptr %a780
+  br label %find.cond3633
+find.cond3633:
+  %t781 = load i64, ptr %a780
+  %t782 = icmp slt i64 %t781, %t778
+  br i1 %t782, label %find.body3634, label %find.end3637
+find.body3634:
+  %t783 = getelementptr inbounds { ptr, i64, i64 }, ptr %t779, i64 %t781
+  %t784 = load { ptr, i64, i64 }, ptr %t783
+  store { ptr, i64, i64 } %t784, ptr %a785
+  store { ptr, i64, i64 } %t776, ptr %a786
+  %t787 = call i32 @finch_str_eq(ptr %a785, ptr %a786)
+  %t788 = icmp ne i32 %t787, 0
+  br i1 %t788, label %find.hit3635, label %find.next3636
+find.hit3635:
+  store i64 %t781, ptr %a777
+  br label %find.end3637
+find.next3636:
+  %t789 = add i64 %t781, 1
+  store i64 %t789, ptr %a780
+  br label %find.cond3633
+find.end3637:
+  %t790 = load i64, ptr %a777
+  %t791 = icmp sge i64 %t790, 0
+  br i1 %t791, label %then3638, label %endif3640
+then3638:
+  %t792 = load ptr, ptr %a1
+  %t793 = load %S.ast.Node, ptr %a534
+  %t794 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t795 = load { ptr, i64, i64 }, ptr %t794
+  store { ptr, i64, i64 } { ptr @.str.2269, i64 11, i64 0 }, ptr %a797
+  store { ptr, i64, i64 } %t795, ptr %a798
+  call void @finch_str_concat(ptr %a796, ptr %a797, ptr %a798)
+  %t799 = load { ptr, i64, i64 }, ptr %a796
+  store { ptr, i64, i64 } %t799, ptr %a801
+  store { ptr, i64, i64 } { ptr @.str.2270, i64 28, i64 0 }, ptr %a802
+  call void @finch_str_concat(ptr %a800, ptr %a801, ptr %a802)
+  store { ptr, i64, i64 } %t799, ptr %a803
+  call void @finch_str_drop(ptr %a803)
+  %t804 = load { ptr, i64, i64 }, ptr %a800
+  %t805 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t806 = load { ptr, i64, i64 }, ptr %t805
+  store { ptr, i64, i64 } %t804, ptr %a808
+  store { ptr, i64, i64 } %t806, ptr %a809
+  call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
+  store { ptr, i64, i64 } %t804, ptr %a810
+  call void @finch_str_drop(ptr %a810)
+  %t811 = load { ptr, i64, i64 }, ptr %a807
+  store { ptr, i64, i64 } %t811, ptr %a813
+  store { ptr, i64, i64 } { ptr @.str.2271, i64 1, i64 0 }, ptr %a814
+  call void @finch_str_concat(ptr %a812, ptr %a813, ptr %a814)
+  store { ptr, i64, i64 } %t811, ptr %a815
+  call void @finch_str_drop(ptr %a815)
+  %t816 = load { ptr, i64, i64 }, ptr %a812
+  call void @finch.gen.fail(ptr %t792, %S.ast.Node %t793, { ptr, i64, i64 } %t816)
+  store { ptr, i64, i64 } %t816, ptr %a817
+  call void @finch_str_drop(ptr %a817)
+  br label %endif3640
+endif3640:
+  br label %endif3613
+else3612:
+  %t818 = load ptr, ptr %a1
+  %t819 = load ptr, ptr %a1
+  %t820 = icmp eq ptr %t819, null
+  br i1 %t820, label %panic3641, label %ok3642
+panic3641:
+  call void @finch_panic(ptr @.str.2272, i64 1529, ptr @.str.2273)
   unreachable
-inrange3599:
-  %t1345 = extractvalue { ptr, i64, i64 } %t1342, 0
-  %t1346 = getelementptr inbounds %S.gen.FnSig, ptr %t1345, i64 %t1341
-  %t1347 = getelementptr inbounds %S.gen.FnSig, ptr %t1346, i32 0, i32 15
+ok3642:
+  %t821 = getelementptr inbounds %S.gen.Gen, ptr %t819, i32 0, i32 14
+  %t822 = load { ptr, i64, i64 }, ptr %t821
+  %t823 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t824 = load { ptr, i64, i64 }, ptr %t823
+  %t825 = call i64 @finch.gen.findFn(ptr %t818, { ptr, i64, i64 } %t822, { ptr, i64, i64 } %t824)
+  %t826 = icmp sge i64 %t825, 0
+  br i1 %t826, label %then3643, label %endif3645
+then3643:
+  %t827 = load ptr, ptr %a1
+  %t828 = load %S.ast.Node, ptr %a534
+  %t829 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t830 = load { ptr, i64, i64 }, ptr %t829
+  store { ptr, i64, i64 } { ptr @.str.2274, i64 10, i64 0 }, ptr %a832
+  store { ptr, i64, i64 } %t830, ptr %a833
+  call void @finch_str_concat(ptr %a831, ptr %a832, ptr %a833)
+  %t834 = load { ptr, i64, i64 }, ptr %a831
+  store { ptr, i64, i64 } %t834, ptr %a836
+  store { ptr, i64, i64 } { ptr @.str.2275, i64 18, i64 0 }, ptr %a837
+  call void @finch_str_concat(ptr %a835, ptr %a836, ptr %a837)
+  store { ptr, i64, i64 } %t834, ptr %a838
+  call void @finch_str_drop(ptr %a838)
+  %t839 = load { ptr, i64, i64 }, ptr %a835
+  call void @finch.gen.fail(ptr %t827, %S.ast.Node %t828, { ptr, i64, i64 } %t839)
+  store { ptr, i64, i64 } %t839, ptr %a840
+  call void @finch_str_drop(ptr %a840)
+  br label %endif3645
+endif3645:
+  %t841 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t842 = load { ptr, i64, i64 }, ptr %t841
+  %t843 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t842)
+  br i1 %t843, label %then3646, label %endif3648
+then3646:
+  %t844 = load ptr, ptr %a1
+  %t845 = load %S.ast.Node, ptr %a534
+  %t846 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t847 = load { ptr, i64, i64 }, ptr %t846
+  store { ptr, i64, i64 } { ptr @.str.2276, i64 1, i64 0 }, ptr %a849
+  store { ptr, i64, i64 } %t847, ptr %a850
+  call void @finch_str_concat(ptr %a848, ptr %a849, ptr %a850)
+  %t851 = load { ptr, i64, i64 }, ptr %a848
+  store { ptr, i64, i64 } %t851, ptr %a853
+  store { ptr, i64, i64 } { ptr @.str.2277, i64 43, i64 0 }, ptr %a854
+  call void @finch_str_concat(ptr %a852, ptr %a853, ptr %a854)
+  store { ptr, i64, i64 } %t851, ptr %a855
+  call void @finch_str_drop(ptr %a855)
+  %t856 = load { ptr, i64, i64 }, ptr %a852
+  call void @finch.gen.fail(ptr %t844, %S.ast.Node %t845, { ptr, i64, i64 } %t856)
+  store { ptr, i64, i64 } %t856, ptr %a857
+  call void @finch_str_drop(ptr %a857)
+  br label %endif3648
+endif3648:
+  br label %endif3613
+endif3613:
+  br label %endif3607
+endif3607:
+  %t858 = load ptr, ptr %a1
+  %t859 = icmp eq ptr %t858, null
+  br i1 %t859, label %panic3649, label %ok3650
+panic3649:
+  call void @finch_panic(ptr @.str.2278, i64 1536, ptr @.str.2279)
+  unreachable
+ok3650:
+  %t860 = getelementptr inbounds %S.gen.Gen, ptr %t858, i32 0, i32 14
+  %t861 = load { ptr, i64, i64 }, ptr %t860
+  store { ptr, i64, i64 } %t861, ptr %a862
+  call void @finch_str_copy(ptr %a863, ptr %a862)
+  %t864 = load { ptr, i64, i64 }, ptr %a863
+  %t865 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t864, 0
+  %t866 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t867 = load { ptr, i64, i64 }, ptr %t866
+  store { ptr, i64, i64 } %t867, ptr %a868
+  call void @finch_str_copy(ptr %a869, ptr %a868)
+  %t870 = load { ptr, i64, i64 }, ptr %a869
+  %t871 = insertvalue %S.gen.FnSig %t865, { ptr, i64, i64 } %t870, 1
+  %t872 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t873 = load { ptr, i64, i64 }, ptr %t872
+  store { ptr, i64, i64 } %t873, ptr %a874
+  call void @finch_str_copy(ptr %a875, ptr %a874)
+  %t876 = load { ptr, i64, i64 }, ptr %a875
+  %t877 = insertvalue %S.gen.FnSig %t871, { ptr, i64, i64 } %t876, 2
+  %t878 = load { ptr, i64, i64 }, ptr %a637
+  store { ptr, i64, i64 } %t878, ptr %a879
+  call void @finch_str_copy(ptr %a880, ptr %a879)
+  %t881 = load { ptr, i64, i64 }, ptr %a880
+  %t882 = insertvalue %S.gen.FnSig %t877, { ptr, i64, i64 } %t881, 3
+  %t883 = load i1, ptr %a638
+  %t884 = insertvalue %S.gen.FnSig %t882, i1 %t883, 4
+  %t885 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 8
+  %t886 = load i1, ptr %t885
+  %t887 = insertvalue %S.gen.FnSig %t884, i1 %t886, 5
+  %t888 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 7
+  %t889 = load i1, ptr %t888
+  %t890 = insertvalue %S.gen.FnSig %t887, i1 %t889, 9
+  %t891 = load i64, ptr %a477
+  %t892 = insertvalue %S.gen.FnSig %t890, i64 %t891, 16
+  %t893 = load i64, ptr %a511
+  %t894 = insertvalue %S.gen.FnSig %t892, i64 %t893, 17
+  store %S.gen.FnSig %t894, ptr %a895
+  %t896 = load ptr, ptr %a1
+  %t897 = icmp eq ptr %t896, null
+  br i1 %t897, label %panic3651, label %ok3652
+panic3651:
+  call void @finch_panic(ptr @.str.2281, i64 1537, ptr @.str.2282)
+  unreachable
+ok3652:
+  %t898 = getelementptr inbounds %S.gen.Gen, ptr %t896, i32 0, i32 14
+  %t899 = load { ptr, i64, i64 }, ptr %t898
+  %t900 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t899)
+  store { ptr, i64, i64 } { ptr @.str.2280, i64 7, i64 0 }, ptr %a902
+  store { ptr, i64, i64 } %t900, ptr %a903
+  call void @finch_str_concat(ptr %a901, ptr %a902, ptr %a903)
+  store { ptr, i64, i64 } %t900, ptr %a904
+  call void @finch_str_drop(ptr %a904)
+  %t905 = load { ptr, i64, i64 }, ptr %a901
+  store { ptr, i64, i64 } %t905, ptr %a907
+  store { ptr, i64, i64 } { ptr @.str.2283, i64 1, i64 0 }, ptr %a908
+  call void @finch_str_concat(ptr %a906, ptr %a907, ptr %a908)
+  store { ptr, i64, i64 } %t905, ptr %a909
+  call void @finch_str_drop(ptr %a909)
+  %t910 = load { ptr, i64, i64 }, ptr %a906
+  %t911 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t912 = load { ptr, i64, i64 }, ptr %t911
+  store { ptr, i64, i64 } %t910, ptr %a914
+  store { ptr, i64, i64 } %t912, ptr %a915
+  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
+  store { ptr, i64, i64 } %t910, ptr %a916
+  call void @finch_str_drop(ptr %a916)
+  %t917 = load { ptr, i64, i64 }, ptr %a913
+  %t918 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 11
+  %t919 = load { ptr, i64, i64 }, ptr %t918
+  store { ptr, i64, i64 } %t917, ptr %t918
+  store { ptr, i64, i64 } %t919, ptr %a920
+  call void @finch_str_drop(ptr %a920)
+  %t921 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t922 = getelementptr inbounds { ptr, i64, i64 }, ptr %t921, i32 0, i32 1
+  %t923 = load i64, ptr %t922
+  %t924 = icmp sgt i64 %t923, 0
+  br i1 %t924, label %then3653, label %endif3655
+then3653:
+  %t925 = load ptr, ptr %a1
+  %t926 = icmp eq ptr %t925, null
+  br i1 %t926, label %panic3656, label %ok3657
+panic3656:
+  call void @finch_panic(ptr @.str.2285, i64 1539, ptr @.str.2286)
+  unreachable
+ok3657:
+  %t927 = getelementptr inbounds %S.gen.Gen, ptr %t925, i32 0, i32 14
+  %t928 = load { ptr, i64, i64 }, ptr %t927
+  %t929 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t928)
+  store { ptr, i64, i64 } { ptr @.str.2284, i64 7, i64 0 }, ptr %a931
+  store { ptr, i64, i64 } %t929, ptr %a932
+  call void @finch_str_concat(ptr %a930, ptr %a931, ptr %a932)
+  store { ptr, i64, i64 } %t929, ptr %a933
+  call void @finch_str_drop(ptr %a933)
+  %t934 = load { ptr, i64, i64 }, ptr %a930
+  store { ptr, i64, i64 } %t934, ptr %a936
+  store { ptr, i64, i64 } { ptr @.str.2287, i64 1, i64 0 }, ptr %a937
+  call void @finch_str_concat(ptr %a935, ptr %a936, ptr %a937)
+  store { ptr, i64, i64 } %t934, ptr %a938
+  call void @finch_str_drop(ptr %a938)
+  %t939 = load { ptr, i64, i64 }, ptr %a935
+  %t940 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t941 = load { ptr, i64, i64 }, ptr %t940
+  store { ptr, i64, i64 } %t939, ptr %a943
+  store { ptr, i64, i64 } %t941, ptr %a944
+  call void @finch_str_concat(ptr %a942, ptr %a943, ptr %a944)
+  store { ptr, i64, i64 } %t939, ptr %a945
+  call void @finch_str_drop(ptr %a945)
+  %t946 = load { ptr, i64, i64 }, ptr %a942
+  store { ptr, i64, i64 } %t946, ptr %a948
+  store { ptr, i64, i64 } { ptr @.str.2288, i64 1, i64 0 }, ptr %a949
+  call void @finch_str_concat(ptr %a947, ptr %a948, ptr %a949)
+  store { ptr, i64, i64 } %t946, ptr %a950
+  call void @finch_str_drop(ptr %a950)
+  %t951 = load { ptr, i64, i64 }, ptr %a947
+  %t952 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 1
+  %t953 = load { ptr, i64, i64 }, ptr %t952
+  store { ptr, i64, i64 } %t951, ptr %a955
+  store { ptr, i64, i64 } %t953, ptr %a956
+  call void @finch_str_concat(ptr %a954, ptr %a955, ptr %a956)
+  store { ptr, i64, i64 } %t951, ptr %a957
+  call void @finch_str_drop(ptr %a957)
+  %t958 = load { ptr, i64, i64 }, ptr %a954
+  %t959 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 11
+  %t960 = load { ptr, i64, i64 }, ptr %t959
+  store { ptr, i64, i64 } %t958, ptr %t959
+  store { ptr, i64, i64 } %t960, ptr %a961
+  call void @finch_str_drop(ptr %a961)
+  br label %endif3655
+endif3655:
+  %t962 = load ptr, ptr %a1
+  %t963 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 5
+  %t964 = load %S.ast.Type, ptr %t963
+  %t965 = load %S.ast.Node, ptr %a534
+  %t966 = call %S.ast.Type @finch.gen.resolve(ptr %t962, %S.ast.Type %t964, %S.ast.Node %t965)
+  %t967 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 12
+  %t968 = load %S.ast.Type, ptr %t967
+  store %S.ast.Type %t966, ptr %t967
+  store %S.ast.Type %t968, ptr %a969
+  call void @finch.drop.S_ast_Type(ptr %a969)
+  %t970 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t971 = getelementptr inbounds { ptr, i64, i64 }, ptr %t970, i32 0, i32 1
+  %t972 = load i64, ptr %t971
+  %t973 = sub i64 %t972, 1
+  store i64 0, ptr %a974
+  br label %for.cond3658
+for.cond3658:
+  %t975 = load i64, ptr %a974
+  %t976 = icmp slt i64 %t975, %t973
+  br i1 %t976, label %for.body3659, label %for.end3661
+for.body3659:
+  %t977 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t978 = load i64, ptr %a974
+  %t979 = load { ptr, i64, i64 }, ptr %t977
+  %t980 = extractvalue { ptr, i64, i64 } %t979, 1
+  %t981 = icmp uge i64 %t978, %t980
+  br i1 %t981, label %range3662, label %inrange3663
+range3662:
+  call void @finch_panic_index(ptr @.str.2289, i64 1543, i64 %t978, i64 %t980)
+  unreachable
+inrange3663:
+  %t982 = extractvalue { ptr, i64, i64 } %t979, 0
+  %t983 = getelementptr inbounds %S.ast.Node, ptr %t982, i64 %t978
+  %t984 = getelementptr inbounds %S.ast.Node, ptr %t983, i32 0, i32 1
+  %t985 = load { ptr, i64, i64 }, ptr %t984
+  store { ptr, i64, i64 } %t985, ptr %a986
+  store { ptr, i64, i64 } { ptr @.str.2290, i64 4, i64 0 }, ptr %a987
+  %t988 = call i32 @finch_str_eq(ptr %a986, ptr %a987)
+  %t989 = icmp ne i32 %t988, 0
+  br label %logic.from3664
+logic.from3664:
+  br i1 %t989, label %logic.rhs3665, label %logic.end3666
+logic.rhs3665:
+  %t990 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t991 = getelementptr inbounds { ptr, i64, i64 }, ptr %t990, i32 0, i32 1
+  %t992 = load i64, ptr %t991
+  %t993 = icmp sgt i64 %t992, 0
+  br label %logic.rend3667
+logic.rend3667:
+  br label %logic.end3666
+logic.end3666:
+  %t994 = phi i1 [ false, %logic.from3664 ], [ %t993, %logic.rend3667 ]
+  br i1 %t994, label %then3668, label %endif3670
+then3668:
+  %t995 = load ptr, ptr %a1
+  %t996 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t997 = load i64, ptr %a974
+  %t998 = load { ptr, i64, i64 }, ptr %t996
+  %t999 = extractvalue { ptr, i64, i64 } %t998, 1
+  %t1000 = icmp uge i64 %t997, %t999
+  br i1 %t1000, label %range3671, label %inrange3672
+range3671:
+  call void @finch_panic_index(ptr @.str.2291, i64 1544, i64 %t997, i64 %t999)
+  unreachable
+inrange3672:
+  %t1001 = extractvalue { ptr, i64, i64 } %t998, 0
+  %t1002 = getelementptr inbounds %S.ast.Node, ptr %t1001, i64 %t997
+  %t1003 = load %S.ast.Node, ptr %t1002
+  %t1004 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 2
+  %t1005 = load { ptr, i64, i64 }, ptr %t1004
+  store { ptr, i64, i64 } { ptr @.str.2292, i64 22, i64 0 }, ptr %a1007
+  store { ptr, i64, i64 } %t1005, ptr %a1008
+  call void @finch_str_concat(ptr %a1006, ptr %a1007, ptr %a1008)
+  %t1009 = load { ptr, i64, i64 }, ptr %a1006
+  store { ptr, i64, i64 } %t1009, ptr %a1011
+  store { ptr, i64, i64 } { ptr @.str.2293, i64 24, i64 0 }, ptr %a1012
+  call void @finch_str_concat(ptr %a1010, ptr %a1011, ptr %a1012)
+  store { ptr, i64, i64 } %t1009, ptr %a1013
+  call void @finch_str_drop(ptr %a1013)
+  %t1014 = load { ptr, i64, i64 }, ptr %a1010
+  call void @finch.gen.fail(ptr %t995, %S.ast.Node %t1003, { ptr, i64, i64 } %t1014)
+  store { ptr, i64, i64 } %t1014, ptr %a1015
+  call void @finch_str_drop(ptr %a1015)
+  br label %endif3670
+endif3670:
+  %t1016 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 13
+  %t1017 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1016, i32 0, i32 1
+  %t1018 = load ptr, ptr %a1
+  %t1019 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t1020 = load i64, ptr %a974
+  %t1021 = load { ptr, i64, i64 }, ptr %t1019
+  %t1022 = extractvalue { ptr, i64, i64 } %t1021, 1
+  %t1023 = icmp uge i64 %t1020, %t1022
+  br i1 %t1023, label %range3673, label %inrange3674
+range3673:
+  call void @finch_panic_index(ptr @.str.2294, i64 1546, i64 %t1020, i64 %t1022)
+  unreachable
+inrange3674:
+  %t1024 = extractvalue { ptr, i64, i64 } %t1021, 0
+  %t1025 = getelementptr inbounds %S.ast.Node, ptr %t1024, i64 %t1020
+  %t1026 = getelementptr inbounds %S.ast.Node, ptr %t1025, i32 0, i32 5
+  %t1027 = load %S.ast.Type, ptr %t1026
+  %t1028 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t1029 = load i64, ptr %a974
+  %t1030 = load { ptr, i64, i64 }, ptr %t1028
+  %t1031 = extractvalue { ptr, i64, i64 } %t1030, 1
+  %t1032 = icmp uge i64 %t1029, %t1031
+  br i1 %t1032, label %range3675, label %inrange3676
+range3675:
+  call void @finch_panic_index(ptr @.str.2295, i64 1546, i64 %t1029, i64 %t1031)
+  unreachable
+inrange3676:
+  %t1033 = extractvalue { ptr, i64, i64 } %t1030, 0
+  %t1034 = getelementptr inbounds %S.ast.Node, ptr %t1033, i64 %t1029
+  %t1035 = load %S.ast.Node, ptr %t1034
+  %t1036 = call %S.ast.Type @finch.gen.resolve(ptr %t1018, %S.ast.Type %t1027, %S.ast.Node %t1035)
+  %t1037 = load i64, ptr %t1017
+  %t1038 = add i64 %t1037, 1
+  call void @finch_arr_reserve(ptr %t1016, i64 %t1038, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t1039 = load ptr, ptr %t1016
+  %t1040 = getelementptr inbounds %S.ast.Type, ptr %t1039, i64 %t1037
+  store %S.ast.Type %t1036, ptr %t1040
+  store i64 %t1038, ptr %t1017
+  %t1041 = getelementptr inbounds %S.gen.FnSig, ptr %a895, i32 0, i32 14
+  %t1042 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1041, i32 0, i32 1
+  %t1043 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 9
+  %t1044 = load i64, ptr %a974
+  %t1045 = load { ptr, i64, i64 }, ptr %t1043
+  %t1046 = extractvalue { ptr, i64, i64 } %t1045, 1
+  %t1047 = icmp uge i64 %t1044, %t1046
+  br i1 %t1047, label %range3677, label %inrange3678
+range3677:
+  call void @finch_panic_index(ptr @.str.2296, i64 1547, i64 %t1044, i64 %t1046)
+  unreachable
+inrange3678:
+  %t1048 = extractvalue { ptr, i64, i64 } %t1045, 0
+  %t1049 = getelementptr inbounds %S.ast.Node, ptr %t1048, i64 %t1044
+  %t1050 = getelementptr inbounds %S.ast.Node, ptr %t1049, i32 0, i32 1
+  %t1051 = load { ptr, i64, i64 }, ptr %t1050
+  store { ptr, i64, i64 } %t1051, ptr %a1052
+  call void @finch_str_copy(ptr %a1053, ptr %a1052)
+  %t1054 = load { ptr, i64, i64 }, ptr %a1053
+  %t1055 = load i64, ptr %t1042
+  %t1056 = add i64 %t1055, 1
+  call void @finch_arr_reserve(ptr %t1041, i64 %t1056, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1057 = load ptr, ptr %t1041
+  %t1058 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1057, i64 %t1055
+  store { ptr, i64, i64 } %t1054, ptr %t1058
+  store i64 %t1056, ptr %t1042
+  br label %for.step3660
+for.step3660:
+  %t1059 = load i64, ptr %a974
+  %t1060 = add i64 %t1059, 1
+  store i64 %t1060, ptr %a974
+  br label %for.cond3658
+for.end3661:
+  %t1061 = getelementptr inbounds %S.ast.Node, ptr %a534, i32 0, i32 8
+  %t1062 = load i1, ptr %t1061
+  br i1 %t1062, label %then3679, label %endif3681
+then3679:
+  %t1063 = load ptr, ptr %a1
+  %t1064 = load %S.ast.Node, ptr %a534
+  %t1065 = load %S.gen.FnSig, ptr %a895
+  call void @finch.gen.checkExport(ptr %t1063, %S.ast.Node %t1064, %S.gen.FnSig %t1065)
+  br label %endif3681
+endif3681:
+  %t1066 = load ptr, ptr %a1
+  %t1067 = icmp eq ptr %t1066, null
+  br i1 %t1067, label %panic3682, label %ok3683
+panic3682:
+  call void @finch_panic(ptr @.str.2297, i64 1552, ptr @.str.2298)
+  unreachable
+ok3683:
+  %t1068 = getelementptr inbounds %S.gen.Gen, ptr %t1066, i32 0, i32 15
+  %t1069 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1068, i32 0, i32 1
+  %t1070 = load %S.gen.FnSig, ptr %a895
+  store %S.gen.FnSig %t1070, ptr %a1071
+  call void @finch.copy.S_gen_FnSig(ptr %a1072, ptr %a1071)
+  %t1073 = load %S.gen.FnSig, ptr %a1072
+  %t1074 = load i64, ptr %t1069
+  %t1075 = add i64 %t1074, 1
+  call void @finch_arr_reserve(ptr %t1068, i64 %t1075, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
+  %t1076 = load ptr, ptr %t1068
+  %t1077 = getelementptr inbounds %S.gen.FnSig, ptr %t1076, i64 %t1074
+  store %S.gen.FnSig %t1073, ptr %t1077
+  store i64 %t1075, ptr %t1069
+  call void @finch.drop.S_gen_FnSig(ptr %a895)
+  call void @finch_str_drop(ptr %a637)
+  call void @finch.drop.S_ast_Node(ptr %a534)
+  br label %for.step3568
+for.step3568:
+  %t1078 = load i64, ptr %a511
+  %t1079 = add i64 %t1078, 1
+  store i64 %t1079, ptr %a511
+  br label %for.cond3566
+for.end3569:
+  br label %for.step3554
+for.step3554:
+  %t1080 = load i64, ptr %a477
+  %t1081 = add i64 %t1080, 1
+  store i64 %t1081, ptr %a477
+  br label %for.cond3552
+for.end3555:
+  store i1 true, ptr %a1082
+  br label %while.cond3684
+while.cond3684:
+  %t1083 = load i1, ptr %a1082
+  br i1 %t1083, label %while.body3685, label %while.end3686
+while.body3685:
+  store i1 false, ptr %a1082
+  %t1084 = load ptr, ptr %a1
+  %t1085 = icmp eq ptr %t1084, null
+  br i1 %t1085, label %panic3687, label %ok3688
+panic3687:
+  call void @finch_panic(ptr @.str.2299, i64 1560, ptr @.str.2300)
+  unreachable
+ok3688:
+  %t1086 = getelementptr inbounds %S.gen.Gen, ptr %t1084, i32 0, i32 15
+  %t1087 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1086, i32 0, i32 1
+  %t1088 = load i64, ptr %t1087
+  store i64 0, ptr %a1089
+  br label %for.cond3689
+for.cond3689:
+  %t1090 = load i64, ptr %a1089
+  %t1091 = icmp slt i64 %t1090, %t1088
+  br i1 %t1091, label %for.body3690, label %for.end3692
+for.body3690:
+  %t1092 = load ptr, ptr %a1
+  %t1093 = icmp eq ptr %t1092, null
+  br i1 %t1093, label %panic3693, label %ok3694
+panic3693:
+  call void @finch_panic(ptr @.str.2301, i64 1561, ptr @.str.2302)
+  unreachable
+ok3694:
+  %t1094 = getelementptr inbounds %S.gen.Gen, ptr %t1092, i32 0, i32 15
+  %t1095 = load i64, ptr %a1089
+  %t1096 = load { ptr, i64, i64 }, ptr %t1094
+  %t1097 = extractvalue { ptr, i64, i64 } %t1096, 1
+  %t1098 = icmp uge i64 %t1095, %t1097
+  br i1 %t1098, label %range3695, label %inrange3696
+range3695:
+  call void @finch_panic_index(ptr @.str.2303, i64 1561, i64 %t1095, i64 %t1097)
+  unreachable
+inrange3696:
+  %t1099 = extractvalue { ptr, i64, i64 } %t1096, 0
+  %t1100 = getelementptr inbounds %S.gen.FnSig, ptr %t1099, i64 %t1095
+  %t1101 = getelementptr inbounds %S.gen.FnSig, ptr %t1100, i32 0, i32 2
+  %t1102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1101, i32 0, i32 1
+  %t1103 = load i64, ptr %t1102
+  %t1104 = icmp sgt i64 %t1103, 0
+  br label %logic.from3697
+logic.from3697:
+  br i1 %t1104, label %logic.rhs3698, label %logic.end3699
+logic.rhs3698:
+  %t1105 = load ptr, ptr %a1
+  %t1106 = icmp eq ptr %t1105, null
+  br i1 %t1106, label %panic3700, label %ok3701
+panic3700:
+  call void @finch_panic(ptr @.str.2304, i64 1561, ptr @.str.2305)
+  unreachable
+ok3701:
+  %t1107 = getelementptr inbounds %S.gen.Gen, ptr %t1105, i32 0, i32 15
+  %t1108 = load i64, ptr %a1089
+  %t1109 = load { ptr, i64, i64 }, ptr %t1107
+  %t1110 = extractvalue { ptr, i64, i64 } %t1109, 1
+  %t1111 = icmp uge i64 %t1108, %t1110
+  br i1 %t1111, label %range3702, label %inrange3703
+range3702:
+  call void @finch_panic_index(ptr @.str.2306, i64 1561, i64 %t1108, i64 %t1110)
+  unreachable
+inrange3703:
+  %t1112 = extractvalue { ptr, i64, i64 } %t1109, 0
+  %t1113 = getelementptr inbounds %S.gen.FnSig, ptr %t1112, i64 %t1108
+  %t1114 = getelementptr inbounds %S.gen.FnSig, ptr %t1113, i32 0, i32 10
+  %t1115 = load i1, ptr %t1114
+  %t1116 = xor i1 %t1115, true
+  br label %logic.rend3704
+logic.rend3704:
+  br label %logic.end3699
+logic.end3699:
+  %t1117 = phi i1 [ false, %logic.from3697 ], [ %t1116, %logic.rend3704 ]
+  br i1 %t1117, label %then3705, label %endif3707
+then3705:
+  %t1118 = load ptr, ptr %a1
+  %t1119 = icmp eq ptr %t1118, null
+  br i1 %t1119, label %panic3708, label %ok3709
+panic3708:
+  call void @finch_panic(ptr @.str.2307, i64 1562, ptr @.str.2308)
+  unreachable
+ok3709:
+  %t1120 = getelementptr inbounds %S.gen.Gen, ptr %t1118, i32 0, i32 0
+  %t1121 = load ptr, ptr %a1
+  %t1122 = icmp eq ptr %t1121, null
+  br i1 %t1122, label %panic3710, label %ok3711
+panic3710:
+  call void @finch_panic(ptr @.str.2309, i64 1562, ptr @.str.2310)
+  unreachable
+ok3711:
+  %t1123 = getelementptr inbounds %S.gen.Gen, ptr %t1121, i32 0, i32 15
+  %t1124 = load i64, ptr %a1089
+  %t1125 = load { ptr, i64, i64 }, ptr %t1123
+  %t1126 = extractvalue { ptr, i64, i64 } %t1125, 1
+  %t1127 = icmp uge i64 %t1124, %t1126
+  br i1 %t1127, label %range3712, label %inrange3713
+range3712:
+  call void @finch_panic_index(ptr @.str.2311, i64 1562, i64 %t1124, i64 %t1126)
+  unreachable
+inrange3713:
+  %t1128 = extractvalue { ptr, i64, i64 } %t1125, 0
+  %t1129 = getelementptr inbounds %S.gen.FnSig, ptr %t1128, i64 %t1124
+  %t1130 = getelementptr inbounds %S.gen.FnSig, ptr %t1129, i32 0, i32 16
+  %t1131 = load i64, ptr %t1130
+  %t1132 = load { ptr, i64, i64 }, ptr %t1120
+  %t1133 = extractvalue { ptr, i64, i64 } %t1132, 1
+  %t1134 = icmp uge i64 %t1131, %t1133
+  br i1 %t1134, label %range3714, label %inrange3715
+range3714:
+  call void @finch_panic_index(ptr @.str.2312, i64 1562, i64 %t1131, i64 %t1133)
+  unreachable
+inrange3715:
+  %t1135 = extractvalue { ptr, i64, i64 } %t1132, 0
+  %t1136 = getelementptr inbounds %S.ast.Program, ptr %t1135, i64 %t1131
+  %t1137 = getelementptr inbounds %S.ast.Program, ptr %t1136, i32 0, i32 8
+  %t1138 = load ptr, ptr %a1
+  %t1139 = icmp eq ptr %t1138, null
+  br i1 %t1139, label %panic3716, label %ok3717
+panic3716:
+  call void @finch_panic(ptr @.str.2313, i64 1562, ptr @.str.2314)
+  unreachable
+ok3717:
+  %t1140 = getelementptr inbounds %S.gen.Gen, ptr %t1138, i32 0, i32 15
+  %t1141 = load i64, ptr %a1089
+  %t1142 = load { ptr, i64, i64 }, ptr %t1140
+  %t1143 = extractvalue { ptr, i64, i64 } %t1142, 1
+  %t1144 = icmp uge i64 %t1141, %t1143
+  br i1 %t1144, label %range3718, label %inrange3719
+range3718:
+  call void @finch_panic_index(ptr @.str.2315, i64 1562, i64 %t1141, i64 %t1143)
+  unreachable
+inrange3719:
+  %t1145 = extractvalue { ptr, i64, i64 } %t1142, 0
+  %t1146 = getelementptr inbounds %S.gen.FnSig, ptr %t1145, i64 %t1141
+  %t1147 = getelementptr inbounds %S.gen.FnSig, ptr %t1146, i32 0, i32 17
+  %t1148 = load i64, ptr %t1147
+  %t1149 = load { ptr, i64, i64 }, ptr %t1137
+  %t1150 = extractvalue { ptr, i64, i64 } %t1149, 1
+  %t1151 = icmp uge i64 %t1148, %t1150
+  br i1 %t1151, label %range3720, label %inrange3721
+range3720:
+  call void @finch_panic_index(ptr @.str.2316, i64 1562, i64 %t1148, i64 %t1150)
+  unreachable
+inrange3721:
+  %t1152 = extractvalue { ptr, i64, i64 } %t1149, 0
+  %t1153 = getelementptr inbounds %S.ast.Node, ptr %t1152, i64 %t1148
+  %t1154 = load %S.ast.Node, ptr %t1153
+  store %S.ast.Node %t1154, ptr %a1155
+  call void @finch.copy.S_ast_Node(ptr %a1156, ptr %a1155)
+  %t1157 = load %S.ast.Node, ptr %a1156
+  store %S.ast.Node %t1157, ptr %a1158
+  %t1159 = load ptr, ptr %a1
+  %t1160 = getelementptr inbounds %S.ast.Node, ptr %a1158, i32 0, i32 9
+  %t1161 = getelementptr inbounds %S.ast.Node, ptr %a1158, i32 0, i32 9
+  %t1162 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1161, i32 0, i32 1
+  %t1163 = load i64, ptr %t1162
+  %t1164 = sub i64 %t1163, 1
+  %t1165 = load { ptr, i64, i64 }, ptr %t1160
+  %t1166 = extractvalue { ptr, i64, i64 } %t1165, 1
+  %t1167 = icmp uge i64 %t1164, %t1166
+  br i1 %t1167, label %range3722, label %inrange3723
+range3722:
+  call void @finch_panic_index(ptr @.str.2318, i64 1563, i64 %t1164, i64 %t1166)
+  unreachable
+inrange3723:
+  %t1168 = extractvalue { ptr, i64, i64 } %t1165, 0
+  %t1169 = getelementptr inbounds %S.ast.Node, ptr %t1168, i64 %t1164
+  %t1170 = load %S.ast.Node, ptr %t1169
+  %t1171 = call i1 @finch.gen.mutates(ptr %t1159, { ptr, i64, i64 } { ptr @.str.2317, i64 4, i64 0 }, %S.ast.Node %t1170)
+  br i1 %t1171, label %then3724, label %endif3726
+then3724:
+  %t1172 = load ptr, ptr %a1
+  %t1173 = icmp eq ptr %t1172, null
+  br i1 %t1173, label %panic3727, label %ok3728
+panic3727:
+  call void @finch_panic(ptr @.str.2319, i64 1564, ptr @.str.2320)
+  unreachable
+ok3728:
+  %t1174 = getelementptr inbounds %S.gen.Gen, ptr %t1172, i32 0, i32 15
+  %t1175 = load i64, ptr %a1089
+  %t1176 = load { ptr, i64, i64 }, ptr %t1174
+  %t1177 = extractvalue { ptr, i64, i64 } %t1176, 1
+  %t1178 = icmp uge i64 %t1175, %t1177
+  br i1 %t1178, label %range3729, label %inrange3730
+range3729:
+  call void @finch_panic_index(ptr @.str.2321, i64 1564, i64 %t1175, i64 %t1177)
+  unreachable
+inrange3730:
+  %t1179 = extractvalue { ptr, i64, i64 } %t1176, 0
+  %t1180 = getelementptr inbounds %S.gen.FnSig, ptr %t1179, i64 %t1175
+  %t1181 = getelementptr inbounds %S.gen.FnSig, ptr %t1180, i32 0, i32 10
+  store i1 true, ptr %t1181
+  %t1182 = load ptr, ptr %a1
+  %t1183 = icmp eq ptr %t1182, null
+  br i1 %t1183, label %panic3731, label %ok3732
+panic3731:
+  call void @finch_panic(ptr @.str.2322, i64 1565, ptr @.str.2323)
+  unreachable
+ok3732:
+  %t1184 = getelementptr inbounds %S.gen.Gen, ptr %t1182, i32 0, i32 23
+  %t1185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1184, i32 0, i32 1
+  %t1186 = load ptr, ptr %a1
+  %t1187 = icmp eq ptr %t1186, null
+  br i1 %t1187, label %panic3733, label %ok3734
+panic3733:
+  call void @finch_panic(ptr @.str.2324, i64 1565, ptr @.str.2325)
+  unreachable
+ok3734:
+  %t1188 = getelementptr inbounds %S.gen.Gen, ptr %t1186, i32 0, i32 15
+  %t1189 = load i64, ptr %a1089
+  %t1190 = load { ptr, i64, i64 }, ptr %t1188
+  %t1191 = extractvalue { ptr, i64, i64 } %t1190, 1
+  %t1192 = icmp uge i64 %t1189, %t1191
+  br i1 %t1192, label %range3735, label %inrange3736
+range3735:
+  call void @finch_panic_index(ptr @.str.2326, i64 1565, i64 %t1189, i64 %t1191)
+  unreachable
+inrange3736:
+  %t1193 = extractvalue { ptr, i64, i64 } %t1190, 0
+  %t1194 = getelementptr inbounds %S.gen.FnSig, ptr %t1193, i64 %t1189
+  %t1195 = getelementptr inbounds %S.gen.FnSig, ptr %t1194, i32 0, i32 1
+  %t1196 = load { ptr, i64, i64 }, ptr %t1195
+  store { ptr, i64, i64 } %t1196, ptr %a1197
+  call void @finch_str_copy(ptr %a1198, ptr %a1197)
+  %t1199 = load { ptr, i64, i64 }, ptr %a1198
+  %t1200 = load i64, ptr %t1185
+  %t1201 = add i64 %t1200, 1
+  call void @finch_arr_reserve(ptr %t1184, i64 %t1201, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1202 = load ptr, ptr %t1184
+  %t1203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1202, i64 %t1200
+  store { ptr, i64, i64 } %t1199, ptr %t1203
+  store i64 %t1201, ptr %t1185
+  store i1 true, ptr %a1082
+  br label %endif3726
+endif3726:
+  call void @finch.drop.S_ast_Node(ptr %a1158)
+  br label %endif3707
+endif3707:
+  br label %for.step3691
+for.step3691:
+  %t1204 = load i64, ptr %a1089
+  %t1205 = add i64 %t1204, 1
+  store i64 %t1205, ptr %a1089
+  br label %for.cond3689
+for.end3692:
+  %t1206 = load ptr, ptr %a1
+  %t1207 = icmp eq ptr %t1206, null
+  br i1 %t1207, label %panic3737, label %ok3738
+panic3737:
+  call void @finch_panic(ptr @.str.2327, i64 1570, ptr @.str.2328)
+  unreachable
+ok3738:
+  %t1208 = getelementptr inbounds %S.gen.Gen, ptr %t1206, i32 0, i32 17
+  %t1209 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1208, i32 0, i32 1
+  %t1210 = load i64, ptr %t1209
+  store i64 0, ptr %a1211
+  br label %for.cond3739
+for.cond3739:
+  %t1212 = load i64, ptr %a1211
+  %t1213 = icmp slt i64 %t1212, %t1210
+  br i1 %t1213, label %for.body3740, label %for.end3742
+for.body3740:
+  %t1214 = load ptr, ptr %a1
+  %t1215 = icmp eq ptr %t1214, null
+  br i1 %t1215, label %panic3743, label %ok3744
+panic3743:
+  call void @finch_panic(ptr @.str.2329, i64 1571, ptr @.str.2330)
+  unreachable
+ok3744:
+  %t1216 = getelementptr inbounds %S.gen.Gen, ptr %t1214, i32 0, i32 17
+  %t1217 = load i64, ptr %a1211
+  %t1218 = load { ptr, i64, i64 }, ptr %t1216
+  %t1219 = extractvalue { ptr, i64, i64 } %t1218, 1
+  %t1220 = icmp uge i64 %t1217, %t1219
+  br i1 %t1220, label %range3745, label %inrange3746
+range3745:
+  call void @finch_panic_index(ptr @.str.2331, i64 1571, i64 %t1217, i64 %t1219)
+  unreachable
+inrange3746:
+  %t1221 = extractvalue { ptr, i64, i64 } %t1218, 0
+  %t1222 = getelementptr inbounds %S.gen.Template, ptr %t1221, i64 %t1217
+  %t1223 = load %S.gen.Template, ptr %t1222
+  store %S.gen.Template %t1223, ptr %a1224
+  call void @finch.copy.S_gen_Template(ptr %a1225, ptr %a1224)
+  %t1226 = load %S.gen.Template, ptr %a1225
+  store %S.gen.Template %t1226, ptr %a1227
+  %t1228 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 2
+  %t1229 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1228, i32 0, i32 1
+  %t1230 = load i64, ptr %t1229
+  %t1231 = icmp sgt i64 %t1230, 0
+  br label %logic.from3747
+logic.from3747:
+  br i1 %t1231, label %logic.rhs3748, label %logic.end3749
+logic.rhs3748:
+  %t1232 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 7
+  %t1233 = load i1, ptr %t1232
+  %t1234 = xor i1 %t1233, true
+  br label %logic.rend3750
+logic.rend3750:
+  br label %logic.end3749
+logic.end3749:
+  %t1235 = phi i1 [ false, %logic.from3747 ], [ %t1234, %logic.rend3750 ]
+  br i1 %t1235, label %then3751, label %endif3753
+then3751:
+  %t1236 = load ptr, ptr %a1
+  %t1237 = icmp eq ptr %t1236, null
+  br i1 %t1237, label %panic3754, label %ok3755
+panic3754:
+  call void @finch_panic(ptr @.str.2332, i64 1573, ptr @.str.2333)
+  unreachable
+ok3755:
+  %t1238 = getelementptr inbounds %S.gen.Gen, ptr %t1236, i32 0, i32 0
+  %t1239 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 4
+  %t1240 = load i64, ptr %t1239
+  %t1241 = load { ptr, i64, i64 }, ptr %t1238
+  %t1242 = extractvalue { ptr, i64, i64 } %t1241, 1
+  %t1243 = icmp uge i64 %t1240, %t1242
+  br i1 %t1243, label %range3756, label %inrange3757
+range3756:
+  call void @finch_panic_index(ptr @.str.2334, i64 1573, i64 %t1240, i64 %t1242)
+  unreachable
+inrange3757:
+  %t1244 = extractvalue { ptr, i64, i64 } %t1241, 0
+  %t1245 = getelementptr inbounds %S.ast.Program, ptr %t1244, i64 %t1240
+  %t1246 = getelementptr inbounds %S.ast.Program, ptr %t1245, i32 0, i32 8
+  %t1247 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 5
+  %t1248 = load i64, ptr %t1247
+  %t1249 = load { ptr, i64, i64 }, ptr %t1246
+  %t1250 = extractvalue { ptr, i64, i64 } %t1249, 1
+  %t1251 = icmp uge i64 %t1248, %t1250
+  br i1 %t1251, label %range3758, label %inrange3759
+range3758:
+  call void @finch_panic_index(ptr @.str.2335, i64 1573, i64 %t1248, i64 %t1250)
+  unreachable
+inrange3759:
+  %t1252 = extractvalue { ptr, i64, i64 } %t1249, 0
+  %t1253 = getelementptr inbounds %S.ast.Node, ptr %t1252, i64 %t1248
+  %t1254 = load %S.ast.Node, ptr %t1253
+  store %S.ast.Node %t1254, ptr %a1255
+  call void @finch.copy.S_ast_Node(ptr %a1256, ptr %a1255)
+  %t1257 = load %S.ast.Node, ptr %a1256
+  store %S.ast.Node %t1257, ptr %a1258
+  %t1259 = load ptr, ptr %a1
+  %t1260 = getelementptr inbounds %S.ast.Node, ptr %a1258, i32 0, i32 9
+  %t1261 = getelementptr inbounds %S.ast.Node, ptr %a1258, i32 0, i32 9
+  %t1262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1261, i32 0, i32 1
+  %t1263 = load i64, ptr %t1262
+  %t1264 = sub i64 %t1263, 1
+  %t1265 = load { ptr, i64, i64 }, ptr %t1260
+  %t1266 = extractvalue { ptr, i64, i64 } %t1265, 1
+  %t1267 = icmp uge i64 %t1264, %t1266
+  br i1 %t1267, label %range3760, label %inrange3761
+range3760:
+  call void @finch_panic_index(ptr @.str.2337, i64 1574, i64 %t1264, i64 %t1266)
+  unreachable
+inrange3761:
+  %t1268 = extractvalue { ptr, i64, i64 } %t1265, 0
+  %t1269 = getelementptr inbounds %S.ast.Node, ptr %t1268, i64 %t1264
+  %t1270 = load %S.ast.Node, ptr %t1269
+  %t1271 = call i1 @finch.gen.mutates(ptr %t1259, { ptr, i64, i64 } { ptr @.str.2336, i64 4, i64 0 }, %S.ast.Node %t1270)
+  br i1 %t1271, label %then3762, label %endif3764
+then3762:
+  %t1272 = load ptr, ptr %a1
+  %t1273 = icmp eq ptr %t1272, null
+  br i1 %t1273, label %panic3765, label %ok3766
+panic3765:
+  call void @finch_panic(ptr @.str.2338, i64 1575, ptr @.str.2339)
+  unreachable
+ok3766:
+  %t1274 = getelementptr inbounds %S.gen.Gen, ptr %t1272, i32 0, i32 17
+  %t1275 = load i64, ptr %a1211
+  %t1276 = load { ptr, i64, i64 }, ptr %t1274
+  %t1277 = extractvalue { ptr, i64, i64 } %t1276, 1
+  %t1278 = icmp uge i64 %t1275, %t1277
+  br i1 %t1278, label %range3767, label %inrange3768
+range3767:
+  call void @finch_panic_index(ptr @.str.2340, i64 1575, i64 %t1275, i64 %t1277)
+  unreachable
+inrange3768:
+  %t1279 = extractvalue { ptr, i64, i64 } %t1276, 0
+  %t1280 = getelementptr inbounds %S.gen.Template, ptr %t1279, i64 %t1275
+  %t1281 = getelementptr inbounds %S.gen.Template, ptr %t1280, i32 0, i32 7
+  store i1 true, ptr %t1281
+  %t1282 = load ptr, ptr %a1
+  %t1283 = icmp eq ptr %t1282, null
+  br i1 %t1283, label %panic3769, label %ok3770
+panic3769:
+  call void @finch_panic(ptr @.str.2341, i64 1576, ptr @.str.2342)
+  unreachable
+ok3770:
+  %t1284 = getelementptr inbounds %S.gen.Gen, ptr %t1282, i32 0, i32 23
+  %t1285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1284, i32 0, i32 1
+  %t1286 = getelementptr inbounds %S.gen.Template, ptr %a1227, i32 0, i32 1
+  %t1287 = load { ptr, i64, i64 }, ptr %t1286
+  store { ptr, i64, i64 } %t1287, ptr %a1288
+  call void @finch_str_copy(ptr %a1289, ptr %a1288)
+  %t1290 = load { ptr, i64, i64 }, ptr %a1289
+  %t1291 = load i64, ptr %t1285
+  %t1292 = add i64 %t1291, 1
+  call void @finch_arr_reserve(ptr %t1284, i64 %t1292, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t1293 = load ptr, ptr %t1284
+  %t1294 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1293, i64 %t1291
+  store { ptr, i64, i64 } %t1290, ptr %t1294
+  store i64 %t1292, ptr %t1285
+  store i1 true, ptr %a1082
+  br label %endif3764
+endif3764:
+  call void @finch.drop.S_ast_Node(ptr %a1258)
+  br label %endif3753
+endif3753:
+  call void @finch.drop.S_gen_Template(ptr %a1227)
+  br label %for.step3741
+for.step3741:
+  %t1295 = load i64, ptr %a1211
+  %t1296 = add i64 %t1295, 1
+  store i64 %t1296, ptr %a1211
+  br label %for.cond3739
+for.end3742:
+  br label %while.cond3684
+while.end3686:
+  %t1297 = load ptr, ptr %a1
+  %t1298 = icmp eq ptr %t1297, null
+  br i1 %t1298, label %panic3771, label %ok3772
+panic3771:
+  call void @finch_panic(ptr @.str.2343, i64 1583, ptr @.str.2344)
+  unreachable
+ok3772:
+  %t1299 = getelementptr inbounds %S.gen.Gen, ptr %t1297, i32 0, i32 15
+  %t1300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1299, i32 0, i32 1
+  %t1301 = load i64, ptr %t1300
+  store i64 0, ptr %a1302
+  br label %for.cond3773
+for.cond3773:
+  %t1303 = load i64, ptr %a1302
+  %t1304 = icmp slt i64 %t1303, %t1301
+  br i1 %t1304, label %for.body3774, label %for.end3776
+for.body3774:
+  %t1305 = load ptr, ptr %a1
+  %t1306 = icmp eq ptr %t1305, null
+  br i1 %t1306, label %panic3777, label %ok3778
+panic3777:
+  call void @finch_panic(ptr @.str.2345, i64 1584, ptr @.str.2346)
+  unreachable
+ok3778:
+  %t1307 = getelementptr inbounds %S.gen.Gen, ptr %t1305, i32 0, i32 0
+  %t1308 = load ptr, ptr %a1
+  %t1309 = icmp eq ptr %t1308, null
+  br i1 %t1309, label %panic3779, label %ok3780
+panic3779:
+  call void @finch_panic(ptr @.str.2347, i64 1584, ptr @.str.2348)
+  unreachable
+ok3780:
+  %t1310 = getelementptr inbounds %S.gen.Gen, ptr %t1308, i32 0, i32 15
+  %t1311 = load i64, ptr %a1302
+  %t1312 = load { ptr, i64, i64 }, ptr %t1310
+  %t1313 = extractvalue { ptr, i64, i64 } %t1312, 1
+  %t1314 = icmp uge i64 %t1311, %t1313
+  br i1 %t1314, label %range3781, label %inrange3782
+range3781:
+  call void @finch_panic_index(ptr @.str.2349, i64 1584, i64 %t1311, i64 %t1313)
+  unreachable
+inrange3782:
+  %t1315 = extractvalue { ptr, i64, i64 } %t1312, 0
+  %t1316 = getelementptr inbounds %S.gen.FnSig, ptr %t1315, i64 %t1311
+  %t1317 = getelementptr inbounds %S.gen.FnSig, ptr %t1316, i32 0, i32 16
+  %t1318 = load i64, ptr %t1317
+  %t1319 = load { ptr, i64, i64 }, ptr %t1307
+  %t1320 = extractvalue { ptr, i64, i64 } %t1319, 1
+  %t1321 = icmp uge i64 %t1318, %t1320
+  br i1 %t1321, label %range3783, label %inrange3784
+range3783:
+  call void @finch_panic_index(ptr @.str.2350, i64 1584, i64 %t1318, i64 %t1320)
+  unreachable
+inrange3784:
+  %t1322 = extractvalue { ptr, i64, i64 } %t1319, 0
+  %t1323 = getelementptr inbounds %S.ast.Program, ptr %t1322, i64 %t1318
+  %t1324 = getelementptr inbounds %S.ast.Program, ptr %t1323, i32 0, i32 8
+  %t1325 = load ptr, ptr %a1
+  %t1326 = icmp eq ptr %t1325, null
+  br i1 %t1326, label %panic3785, label %ok3786
+panic3785:
+  call void @finch_panic(ptr @.str.2351, i64 1584, ptr @.str.2352)
+  unreachable
+ok3786:
+  %t1327 = getelementptr inbounds %S.gen.Gen, ptr %t1325, i32 0, i32 15
+  %t1328 = load i64, ptr %a1302
+  %t1329 = load { ptr, i64, i64 }, ptr %t1327
+  %t1330 = extractvalue { ptr, i64, i64 } %t1329, 1
+  %t1331 = icmp uge i64 %t1328, %t1330
+  br i1 %t1331, label %range3787, label %inrange3788
+range3787:
+  call void @finch_panic_index(ptr @.str.2353, i64 1584, i64 %t1328, i64 %t1330)
+  unreachable
+inrange3788:
+  %t1332 = extractvalue { ptr, i64, i64 } %t1329, 0
+  %t1333 = getelementptr inbounds %S.gen.FnSig, ptr %t1332, i64 %t1328
+  %t1334 = getelementptr inbounds %S.gen.FnSig, ptr %t1333, i32 0, i32 17
+  %t1335 = load i64, ptr %t1334
+  %t1336 = load { ptr, i64, i64 }, ptr %t1324
+  %t1337 = extractvalue { ptr, i64, i64 } %t1336, 1
+  %t1338 = icmp uge i64 %t1335, %t1337
+  br i1 %t1338, label %range3789, label %inrange3790
+range3789:
+  call void @finch_panic_index(ptr @.str.2354, i64 1584, i64 %t1335, i64 %t1337)
+  unreachable
+inrange3790:
+  %t1339 = extractvalue { ptr, i64, i64 } %t1336, 0
+  %t1340 = getelementptr inbounds %S.ast.Node, ptr %t1339, i64 %t1335
+  %t1341 = load %S.ast.Node, ptr %t1340
+  store %S.ast.Node %t1341, ptr %a1342
+  call void @finch.copy.S_ast_Node(ptr %a1343, ptr %a1342)
+  %t1344 = load %S.ast.Node, ptr %a1343
+  store %S.ast.Node %t1344, ptr %a1345
+  %t1346 = getelementptr inbounds %S.ast.Node, ptr %a1345, i32 0, i32 9
+  %t1347 = getelementptr inbounds %S.ast.Node, ptr %a1345, i32 0, i32 9
   %t1348 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1347, i32 0, i32 1
-  %t1349 = load ptr, ptr %a1
-  %t1350 = load %S.ast.Type, ptr %a1337
-  %t1351 = call i1 @finch.gen.owning(ptr %t1349, %S.ast.Type %t1350)
-  br label %logic.from3600
-logic.from3600:
-  br i1 %t1351, label %logic.rhs3601, label %logic.end3602
-logic.rhs3601:
-  %t1352 = load ptr, ptr %a1
-  %t1353 = load ptr, ptr %a1
-  %t1354 = icmp eq ptr %t1353, null
-  br i1 %t1354, label %panic3603, label %ok3604
-panic3603:
-  call void @finch_panic(ptr @.str.2281, i64 1440, ptr @.str.2282)
+  %t1349 = load i64, ptr %t1348
+  %t1350 = sub i64 %t1349, 1
+  %t1351 = load { ptr, i64, i64 }, ptr %t1346
+  %t1352 = extractvalue { ptr, i64, i64 } %t1351, 1
+  %t1353 = icmp uge i64 %t1350, %t1352
+  br i1 %t1353, label %range3791, label %inrange3792
+range3791:
+  call void @finch_panic_index(ptr @.str.2355, i64 1585, i64 %t1350, i64 %t1352)
   unreachable
-ok3604:
-  %t1355 = getelementptr inbounds %S.gen.Gen, ptr %t1353, i32 0, i32 14
-  %t1356 = load i64, ptr %a1243
-  %t1357 = load { ptr, i64, i64 }, ptr %t1355
-  %t1358 = extractvalue { ptr, i64, i64 } %t1357, 1
-  %t1359 = icmp uge i64 %t1356, %t1358
-  br i1 %t1359, label %range3605, label %inrange3606
-range3605:
-  call void @finch_panic_index(ptr @.str.2283, i64 1440, i64 %t1356, i64 %t1358)
+inrange3792:
+  %t1354 = extractvalue { ptr, i64, i64 } %t1351, 0
+  %t1355 = getelementptr inbounds %S.ast.Node, ptr %t1354, i64 %t1350
+  %t1356 = load %S.ast.Node, ptr %t1355
+  store %S.ast.Node %t1356, ptr %a1357
+  call void @finch.copy.S_ast_Node(ptr %a1358, ptr %a1357)
+  %t1359 = load %S.ast.Node, ptr %a1358
+  store %S.ast.Node %t1359, ptr %a1360
+  %t1361 = load ptr, ptr %a1
+  %t1362 = icmp eq ptr %t1361, null
+  br i1 %t1362, label %panic3793, label %ok3794
+panic3793:
+  call void @finch_panic(ptr @.str.2356, i64 1586, ptr @.str.2357)
   unreachable
-inrange3606:
-  %t1360 = extractvalue { ptr, i64, i64 } %t1357, 0
-  %t1361 = getelementptr inbounds %S.gen.FnSig, ptr %t1360, i64 %t1356
-  %t1362 = getelementptr inbounds %S.gen.FnSig, ptr %t1361, i32 0, i32 14
-  %t1363 = load i64, ptr %a1314
-  %t1364 = load { ptr, i64, i64 }, ptr %t1362
-  %t1365 = extractvalue { ptr, i64, i64 } %t1364, 1
-  %t1366 = icmp uge i64 %t1363, %t1365
-  br i1 %t1366, label %range3607, label %inrange3608
-range3607:
-  call void @finch_panic_index(ptr @.str.2284, i64 1440, i64 %t1363, i64 %t1365)
+ok3794:
+  %t1363 = getelementptr inbounds %S.gen.Gen, ptr %t1361, i32 0, i32 15
+  %t1364 = load i64, ptr %a1302
+  %t1365 = load { ptr, i64, i64 }, ptr %t1363
+  %t1366 = extractvalue { ptr, i64, i64 } %t1365, 1
+  %t1367 = icmp uge i64 %t1364, %t1366
+  br i1 %t1367, label %range3795, label %inrange3796
+range3795:
+  call void @finch_panic_index(ptr @.str.2358, i64 1586, i64 %t1364, i64 %t1366)
   unreachable
-inrange3608:
-  %t1367 = extractvalue { ptr, i64, i64 } %t1364, 0
-  %t1368 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1367, i64 %t1363
-  %t1369 = load { ptr, i64, i64 }, ptr %t1368
-  %t1370 = load %S.ast.Node, ptr %a1301
-  %t1371 = call i1 @finch.gen.mutates(ptr %t1352, { ptr, i64, i64 } %t1369, %S.ast.Node %t1370)
-  %t1372 = xor i1 %t1371, true
-  br label %logic.rend3609
-logic.rend3609:
-  br label %logic.end3602
-logic.end3602:
-  %t1373 = phi i1 [ false, %logic.from3600 ], [ %t1372, %logic.rend3609 ]
-  %t1374 = load i64, ptr %t1348
-  %t1375 = add i64 %t1374, 1
-  call void @finch_arr_reserve(ptr %t1347, i64 %t1375, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
-  %t1376 = load ptr, ptr %t1347
-  %t1377 = getelementptr inbounds i1, ptr %t1376, i64 %t1374
-  store i1 %t1373, ptr %t1377
-  store i64 %t1375, ptr %t1348
-  br label %for.step3588
-for.step3588:
-  %t1378 = load i64, ptr %a1314
-  %t1379 = add i64 %t1378, 1
-  store i64 %t1379, ptr %a1314
-  br label %for.cond3586
-for.end3589:
-  br label %for.step3564
-for.step3564:
-  %t1380 = load i64, ptr %a1243
-  %t1381 = add i64 %t1380, 1
-  store i64 %t1381, ptr %a1243
-  br label %for.cond3562
-for.end3565:
+inrange3796:
+  %t1368 = extractvalue { ptr, i64, i64 } %t1365, 0
+  %t1369 = getelementptr inbounds %S.gen.FnSig, ptr %t1368, i64 %t1364
+  %t1370 = getelementptr inbounds %S.gen.FnSig, ptr %t1369, i32 0, i32 13
+  %t1371 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1370, i32 0, i32 1
+  %t1372 = load i64, ptr %t1371
+  store i64 0, ptr %a1373
+  br label %for.cond3797
+for.cond3797:
+  %t1374 = load i64, ptr %a1373
+  %t1375 = icmp slt i64 %t1374, %t1372
+  br i1 %t1375, label %for.body3798, label %for.end3800
+for.body3798:
+  %t1376 = load ptr, ptr %a1
+  %t1377 = icmp eq ptr %t1376, null
+  br i1 %t1377, label %panic3801, label %ok3802
+panic3801:
+  call void @finch_panic(ptr @.str.2359, i64 1587, ptr @.str.2360)
+  unreachable
+ok3802:
+  %t1378 = getelementptr inbounds %S.gen.Gen, ptr %t1376, i32 0, i32 15
+  %t1379 = load i64, ptr %a1302
+  %t1380 = load { ptr, i64, i64 }, ptr %t1378
+  %t1381 = extractvalue { ptr, i64, i64 } %t1380, 1
+  %t1382 = icmp uge i64 %t1379, %t1381
+  br i1 %t1382, label %range3803, label %inrange3804
+range3803:
+  call void @finch_panic_index(ptr @.str.2361, i64 1587, i64 %t1379, i64 %t1381)
+  unreachable
+inrange3804:
+  %t1383 = extractvalue { ptr, i64, i64 } %t1380, 0
+  %t1384 = getelementptr inbounds %S.gen.FnSig, ptr %t1383, i64 %t1379
+  %t1385 = getelementptr inbounds %S.gen.FnSig, ptr %t1384, i32 0, i32 13
+  %t1386 = load i64, ptr %a1373
+  %t1387 = load { ptr, i64, i64 }, ptr %t1385
+  %t1388 = extractvalue { ptr, i64, i64 } %t1387, 1
+  %t1389 = icmp uge i64 %t1386, %t1388
+  br i1 %t1389, label %range3805, label %inrange3806
+range3805:
+  call void @finch_panic_index(ptr @.str.2362, i64 1587, i64 %t1386, i64 %t1388)
+  unreachable
+inrange3806:
+  %t1390 = extractvalue { ptr, i64, i64 } %t1387, 0
+  %t1391 = getelementptr inbounds %S.ast.Type, ptr %t1390, i64 %t1386
+  %t1392 = load %S.ast.Type, ptr %t1391
+  store %S.ast.Type %t1392, ptr %a1393
+  call void @finch.copy.S_ast_Type(ptr %a1394, ptr %a1393)
+  %t1395 = load %S.ast.Type, ptr %a1394
+  store %S.ast.Type %t1395, ptr %a1396
+  %t1397 = load ptr, ptr %a1
+  %t1398 = icmp eq ptr %t1397, null
+  br i1 %t1398, label %panic3807, label %ok3808
+panic3807:
+  call void @finch_panic(ptr @.str.2363, i64 1588, ptr @.str.2364)
+  unreachable
+ok3808:
+  %t1399 = getelementptr inbounds %S.gen.Gen, ptr %t1397, i32 0, i32 15
+  %t1400 = load i64, ptr %a1302
+  %t1401 = load { ptr, i64, i64 }, ptr %t1399
+  %t1402 = extractvalue { ptr, i64, i64 } %t1401, 1
+  %t1403 = icmp uge i64 %t1400, %t1402
+  br i1 %t1403, label %range3809, label %inrange3810
+range3809:
+  call void @finch_panic_index(ptr @.str.2365, i64 1588, i64 %t1400, i64 %t1402)
+  unreachable
+inrange3810:
+  %t1404 = extractvalue { ptr, i64, i64 } %t1401, 0
+  %t1405 = getelementptr inbounds %S.gen.FnSig, ptr %t1404, i64 %t1400
+  %t1406 = getelementptr inbounds %S.gen.FnSig, ptr %t1405, i32 0, i32 15
+  %t1407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1406, i32 0, i32 1
+  %t1408 = load ptr, ptr %a1
+  %t1409 = load %S.ast.Type, ptr %a1396
+  %t1410 = call i1 @finch.gen.owning(ptr %t1408, %S.ast.Type %t1409)
+  br label %logic.from3811
+logic.from3811:
+  br i1 %t1410, label %logic.rhs3812, label %logic.end3813
+logic.rhs3812:
+  %t1411 = load ptr, ptr %a1
+  %t1412 = load ptr, ptr %a1
+  %t1413 = icmp eq ptr %t1412, null
+  br i1 %t1413, label %panic3814, label %ok3815
+panic3814:
+  call void @finch_panic(ptr @.str.2366, i64 1588, ptr @.str.2367)
+  unreachable
+ok3815:
+  %t1414 = getelementptr inbounds %S.gen.Gen, ptr %t1412, i32 0, i32 15
+  %t1415 = load i64, ptr %a1302
+  %t1416 = load { ptr, i64, i64 }, ptr %t1414
+  %t1417 = extractvalue { ptr, i64, i64 } %t1416, 1
+  %t1418 = icmp uge i64 %t1415, %t1417
+  br i1 %t1418, label %range3816, label %inrange3817
+range3816:
+  call void @finch_panic_index(ptr @.str.2368, i64 1588, i64 %t1415, i64 %t1417)
+  unreachable
+inrange3817:
+  %t1419 = extractvalue { ptr, i64, i64 } %t1416, 0
+  %t1420 = getelementptr inbounds %S.gen.FnSig, ptr %t1419, i64 %t1415
+  %t1421 = getelementptr inbounds %S.gen.FnSig, ptr %t1420, i32 0, i32 14
+  %t1422 = load i64, ptr %a1373
+  %t1423 = load { ptr, i64, i64 }, ptr %t1421
+  %t1424 = extractvalue { ptr, i64, i64 } %t1423, 1
+  %t1425 = icmp uge i64 %t1422, %t1424
+  br i1 %t1425, label %range3818, label %inrange3819
+range3818:
+  call void @finch_panic_index(ptr @.str.2369, i64 1588, i64 %t1422, i64 %t1424)
+  unreachable
+inrange3819:
+  %t1426 = extractvalue { ptr, i64, i64 } %t1423, 0
+  %t1427 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1426, i64 %t1422
+  %t1428 = load { ptr, i64, i64 }, ptr %t1427
+  %t1429 = load %S.ast.Node, ptr %a1360
+  %t1430 = call i1 @finch.gen.mutates(ptr %t1411, { ptr, i64, i64 } %t1428, %S.ast.Node %t1429)
+  %t1431 = xor i1 %t1430, true
+  br label %logic.rend3820
+logic.rend3820:
+  br label %logic.end3813
+logic.end3813:
+  %t1432 = phi i1 [ false, %logic.from3811 ], [ %t1431, %logic.rend3820 ]
+  %t1433 = load i64, ptr %t1407
+  %t1434 = add i64 %t1433, 1
+  call void @finch_arr_reserve(ptr %t1406, i64 %t1434, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
+  %t1435 = load ptr, ptr %t1406
+  %t1436 = getelementptr inbounds i1, ptr %t1435, i64 %t1433
+  store i1 %t1432, ptr %t1436
+  store i64 %t1434, ptr %t1407
+  call void @finch.drop.S_ast_Type(ptr %a1396)
+  br label %for.step3799
+for.step3799:
+  %t1437 = load i64, ptr %a1373
+  %t1438 = add i64 %t1437, 1
+  store i64 %t1438, ptr %a1373
+  br label %for.cond3797
+for.end3800:
+  call void @finch.drop.S_ast_Node(ptr %a1360)
+  call void @finch.drop.S_ast_Node(ptr %a1345)
+  br label %for.step3775
+for.step3775:
+  %t1439 = load i64, ptr %a1302
+  %t1440 = add i64 %t1439, 1
+  store i64 %t1440, ptr %a1302
+  br label %for.cond3773
+for.end3776:
   ret void
 }
 
@@ -34202,38 +39877,38 @@ entry:
   store i1 %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic3610, label %ok3611
-panic3610:
-  call void @finch_panic(ptr @.str.2285, i64 1446, ptr @.str.2286)
+  br i1 %t7, label %panic3821, label %ok3822
+panic3821:
+  call void @finch_panic(ptr @.str.2370, i64 1594, ptr @.str.2371)
   unreachable
-ok3611:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
+ok3822:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 17
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   store i64 0, ptr %a11
-  br label %for.cond3612
-for.cond3612:
+  br label %for.cond3823
+for.cond3823:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t10
-  br i1 %t13, label %for.body3613, label %for.end3615
-for.body3613:
+  br i1 %t13, label %for.body3824, label %for.end3826
+for.body3824:
   %t14 = load ptr, ptr %a1
   %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic3616, label %ok3617
-panic3616:
-  call void @finch_panic(ptr @.str.2287, i64 1447, ptr @.str.2288)
+  br i1 %t15, label %panic3827, label %ok3828
+panic3827:
+  call void @finch_panic(ptr @.str.2372, i64 1595, ptr @.str.2373)
   unreachable
-ok3617:
-  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 16
+ok3828:
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 17
   %t17 = load i64, ptr %a11
   %t18 = load { ptr, i64, i64 }, ptr %t16
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 %t17, %t19
-  br i1 %t20, label %range3618, label %inrange3619
-range3618:
-  call void @finch_panic_index(ptr @.str.2289, i64 1447, i64 %t17, i64 %t19)
+  br i1 %t20, label %range3829, label %inrange3830
+range3829:
+  call void @finch_panic_index(ptr @.str.2374, i64 1595, i64 %t17, i64 %t19)
   unreachable
-inrange3619:
+inrange3830:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.gen.Template, ptr %t21, i64 %t17
   %t23 = load %S.gen.Template, ptr %t22
@@ -34248,10 +39923,10 @@ inrange3619:
   store { ptr, i64, i64 } %t30, ptr %a32
   %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
   %t34 = icmp ne i32 %t33, 0
-  br label %logic.from3620
-logic.from3620:
-  br i1 %t34, label %logic.rhs3621, label %logic.end3622
-logic.rhs3621:
+  br label %logic.from3831
+logic.from3831:
+  br i1 %t34, label %logic.rhs3832, label %logic.end3833
+logic.rhs3832:
   %t35 = getelementptr inbounds %S.gen.Template, ptr %a27, i32 0, i32 1
   %t36 = load { ptr, i64, i64 }, ptr %t35
   %t37 = load { ptr, i64, i64 }, ptr %a3
@@ -34259,15 +39934,15 @@ logic.rhs3621:
   store { ptr, i64, i64 } %t37, ptr %a39
   %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
   %t41 = icmp ne i32 %t40, 0
-  br label %logic.rend3623
-logic.rend3623:
-  br label %logic.end3622
-logic.end3622:
-  %t42 = phi i1 [ false, %logic.from3620 ], [ %t41, %logic.rend3623 ]
-  br label %logic.from3624
-logic.from3624:
-  br i1 %t42, label %logic.rhs3625, label %logic.end3626
-logic.rhs3625:
+  br label %logic.rend3834
+logic.rend3834:
+  br label %logic.end3833
+logic.end3833:
+  %t42 = phi i1 [ false, %logic.from3831 ], [ %t41, %logic.rend3834 ]
+  br label %logic.from3835
+logic.from3835:
+  br i1 %t42, label %logic.rhs3836, label %logic.end3837
+logic.rhs3836:
   %t43 = getelementptr inbounds %S.gen.Template, ptr %a27, i32 0, i32 2
   %t44 = load { ptr, i64, i64 }, ptr %t43
   %t45 = load { ptr, i64, i64 }, ptr %a4
@@ -34275,36 +39950,38 @@ logic.rhs3625:
   store { ptr, i64, i64 } %t45, ptr %a47
   %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
   %t49 = icmp ne i32 %t48, 0
-  br label %logic.rend3627
-logic.rend3627:
-  br label %logic.end3626
-logic.end3626:
-  %t50 = phi i1 [ false, %logic.from3624 ], [ %t49, %logic.rend3627 ]
-  br label %logic.from3628
-logic.from3628:
-  br i1 %t50, label %logic.rhs3629, label %logic.end3630
-logic.rhs3629:
+  br label %logic.rend3838
+logic.rend3838:
+  br label %logic.end3837
+logic.end3837:
+  %t50 = phi i1 [ false, %logic.from3835 ], [ %t49, %logic.rend3838 ]
+  br label %logic.from3839
+logic.from3839:
+  br i1 %t50, label %logic.rhs3840, label %logic.end3841
+logic.rhs3840:
   %t51 = getelementptr inbounds %S.gen.Template, ptr %a27, i32 0, i32 6
   %t52 = load i1, ptr %t51
   %t53 = load i1, ptr %a5
   %t54 = icmp eq i1 %t52, %t53
-  br label %logic.rend3631
-logic.rend3631:
-  br label %logic.end3630
-logic.end3630:
-  %t55 = phi i1 [ false, %logic.from3628 ], [ %t54, %logic.rend3631 ]
-  br i1 %t55, label %then3632, label %endif3634
-then3632:
+  br label %logic.rend3842
+logic.rend3842:
+  br label %logic.end3841
+logic.end3841:
+  %t55 = phi i1 [ false, %logic.from3839 ], [ %t54, %logic.rend3842 ]
+  br i1 %t55, label %then3843, label %endif3845
+then3843:
   %t56 = load i64, ptr %a11
+  call void @finch.drop.S_gen_Template(ptr %a27)
   ret i64 %t56
-endif3634:
-  br label %for.step3614
-for.step3614:
+endif3845:
+  call void @finch.drop.S_gen_Template(ptr %a27)
+  br label %for.step3825
+for.step3825:
   %t57 = load i64, ptr %a11
   %t58 = add i64 %t57, 1
   store i64 %t58, ptr %a11
-  br label %for.cond3612
-for.end3615:
+  br label %for.cond3823
+for.end3826:
   ret i64 -1
 }
 
@@ -34319,14 +39996,14 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond3635
-each.cond3635:
+  br label %each.cond3846
+each.cond3846:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body3636, label %each.end3638
-each.body3636:
+  br i1 %t7, label %each.body3847, label %each.end3849
+each.body3847:
   %t8 = load ptr, ptr %a1
   %t9 = getelementptr inbounds %S.ast.Type, ptr %t8, i64 %t6
   %t10 = load %S.ast.Type, ptr %t9
@@ -34341,17 +40018,18 @@ each.body3636:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i64 %t15
   store { ptr, i64, i64 } %t14, ptr %t18
   store i64 %t16, ptr %t12
-  br label %each.step3637
-each.step3637:
+  br label %each.step3848
+each.step3848:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %each.cond3635
-each.end3638:
+  br label %each.cond3846
+each.end3849:
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2290, i64 2, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2375, i64 2, i64 0 }, ptr %a22
   call void @finch_str_join(ptr %a23, ptr %a2, ptr %a22)
   %t24 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.arr_str(ptr %a2)
   ret { ptr, i64, i64 } %t24
 }
 
@@ -34369,67 +40047,85 @@ entry:
   %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca %S.gen.Template, align 16
-  %a44 = alloca %S.gen.Template, align 16
-  %a46 = alloca %S.gen.Template, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca %S.gen.Template, align 16
+  %a48 = alloca %S.gen.Template, align 16
+  %a50 = alloca %S.gen.Template, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -34438,218 +40134,256 @@ entry:
   %t6 = load ptr, ptr %a1
   %t7 = load { ptr, i64, i64 }, ptr %a2
   %t8 = load { ptr, i64, i64 }, ptr %a3
-  %t9 = call i64 @finch.gen.findTemplate(ptr %t6, { ptr, i64, i64 } %t7, { ptr, i64, i64 } %t8, { ptr, i64, i64 } { ptr @.str.2291, i64 0, i64 0 }, i1 true)
+  %t9 = call i64 @finch.gen.findTemplate(ptr %t6, { ptr, i64, i64 } %t7, { ptr, i64, i64 } %t8, { ptr, i64, i64 } { ptr @.str.2376, i64 0, i64 0 }, i1 true)
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br i1 %t12, label %then3639, label %endif3641
-then3639:
+  br i1 %t12, label %then3850, label %endif3852
+then3850:
   %t13 = load ptr, ptr %a1
   %t14 = load %S.ast.Node, ptr %a5
   %t15 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.2292, i64 34, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.2377, i64 34, i64 0 }, ptr %a17
   store { ptr, i64, i64 } %t15, ptr %a18
   call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
   %t19 = load { ptr, i64, i64 }, ptr %a16
   store { ptr, i64, i64 } %t19, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.2293, i64 28, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2378, i64 28, i64 0 }, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  %t24 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t23, ptr %a26
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  %t25 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t24, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t28, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.2294, i64 34, i64 0 }, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  call void @finch.gen.fail(ptr %t13, %S.ast.Node %t14, { ptr, i64, i64 } %t32)
-  br label %endif3641
-endif3641:
-  %t33 = load ptr, ptr %a1
-  %t34 = icmp eq ptr %t33, null
-  br i1 %t34, label %panic3642, label %ok3643
-panic3642:
-  call void @finch_panic(ptr @.str.2295, i64 1469, ptr @.str.2296)
+  store { ptr, i64, i64 } %t25, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t24, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.2379, i64 34, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  call void @finch.gen.fail(ptr %t13, %S.ast.Node %t14, { ptr, i64, i64 } %t35)
+  store { ptr, i64, i64 } %t35, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  br label %endif3852
+endif3852:
+  %t37 = load ptr, ptr %a1
+  %t38 = icmp eq ptr %t37, null
+  br i1 %t38, label %panic3853, label %ok3854
+panic3853:
+  call void @finch_panic(ptr @.str.2380, i64 1617, ptr @.str.2381)
   unreachable
-ok3643:
-  %t35 = getelementptr inbounds %S.gen.Gen, ptr %t33, i32 0, i32 16
-  %t36 = load i64, ptr %a10
-  %t37 = load { ptr, i64, i64 }, ptr %t35
-  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
-  %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range3644, label %inrange3645
-range3644:
-  call void @finch_panic_index(ptr @.str.2297, i64 1469, i64 %t36, i64 %t38)
+ok3854:
+  %t39 = getelementptr inbounds %S.gen.Gen, ptr %t37, i32 0, i32 17
+  %t40 = load i64, ptr %a10
+  %t41 = load { ptr, i64, i64 }, ptr %t39
+  %t42 = extractvalue { ptr, i64, i64 } %t41, 1
+  %t43 = icmp uge i64 %t40, %t42
+  br i1 %t43, label %range3855, label %inrange3856
+range3855:
+  call void @finch_panic_index(ptr @.str.2382, i64 1617, i64 %t40, i64 %t42)
   unreachable
-inrange3645:
-  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
-  %t41 = getelementptr inbounds %S.gen.Template, ptr %t40, i64 %t36
-  %t42 = load %S.gen.Template, ptr %t41
-  store %S.gen.Template %t42, ptr %a43
-  call void @finch.copy.S_gen_Template(ptr %a44, ptr %a43)
-  %t45 = load %S.gen.Template, ptr %a44
-  store %S.gen.Template %t45, ptr %a46
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t48 = load i64, ptr %t47
-  %t49 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i32 0, i32 1
-  %t51 = load i64, ptr %t50
-  %t52 = icmp ne i64 %t48, %t51
-  br i1 %t52, label %then3646, label %endif3648
-then3646:
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Node, ptr %a5
-  %t55 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.2298, i64 7, i64 0 }, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  %t60 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
-  %t62 = load i64, ptr %t61
-  call void @finch_str_from_int(ptr %a63, i64 %t62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t59, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.2299, i64 24, i64 0 }, ptr %a71
+inrange3856:
+  %t44 = extractvalue { ptr, i64, i64 } %t41, 0
+  %t45 = getelementptr inbounds %S.gen.Template, ptr %t44, i64 %t40
+  %t46 = load %S.gen.Template, ptr %t45
+  store %S.gen.Template %t46, ptr %a47
+  call void @finch.copy.S_gen_Template(ptr %a48, ptr %a47)
+  %t49 = load %S.gen.Template, ptr %a48
+  store %S.gen.Template %t49, ptr %a50
+  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t52 = load i64, ptr %t51
+  %t53 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i32 0, i32 1
+  %t55 = load i64, ptr %t54
+  %t56 = icmp ne i64 %t52, %t55
+  br i1 %t56, label %then3857, label %endif3859
+then3857:
+  %t57 = load ptr, ptr %a1
+  %t58 = load %S.ast.Node, ptr %a5
+  %t59 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t59, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.2383, i64 7, i64 0 }, ptr %a62
+  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a60
+  %t64 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
+  %t66 = load i64, ptr %t65
+  call void @finch_str_from_int(ptr %a67, i64 %t66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t63, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
   call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t72, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.2300, i64 1, i64 0 }, ptr %a80
-  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
-  %t81 = load { ptr, i64, i64 }, ptr %a78
-  %t82 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %t82, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2301, i64 2, i64 0 }, ptr %a84
-  call void @finch_str_join(ptr %a85, ptr %t82, ptr %a84)
-  %t86 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t81, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.2302, i64 11, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  call void @finch_str_from_int(ptr %a97, i64 %t96)
-  %t98 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t94, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  call void @finch.gen.fail(ptr %t53, %S.ast.Node %t54, { ptr, i64, i64 } %t102)
-  br label %endif3648
-endif3648:
-  %t103 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t103, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.2303, i64 1, i64 0 }, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  %t108 = load { ptr, i64, i64 }, ptr %a4
-  %t109 = call { ptr, i64, i64 } @finch.gen.shownTypes({ ptr, i64, i64 } %t108)
-  store { ptr, i64, i64 } %t107, ptr %a111
-  store { ptr, i64, i64 } %t109, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t113, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.2304, i64 1, i64 0 }, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a118
-  %t119 = load ptr, ptr %a1
-  %t120 = load { ptr, i64, i64 }, ptr %a2
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = call i64 @finch.gen.findStruct(ptr %t119, { ptr, i64, i64 } %t120, { ptr, i64, i64 } %t121)
-  %t123 = icmp slt i64 %t122, 0
-  br i1 %t123, label %then3649, label %endif3651
-then3649:
-  %t124 = load ptr, ptr %a1
-  %t125 = icmp eq ptr %t124, null
-  br i1 %t125, label %panic3652, label %ok3653
-panic3652:
-  call void @finch_panic(ptr @.str.2305, i64 1475, ptr @.str.2306)
+  store { ptr, i64, i64 } %t63, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t68, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.2384, i64 24, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  %t80 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t79, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t79, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t85, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.2385, i64 1, i64 0 }, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2386, i64 2, i64 0 }, ptr %a93
+  call void @finch_str_join(ptr %a94, ptr %t91, ptr %a93)
+  %t95 = load { ptr, i64, i64 }, ptr %a94
+  store { ptr, i64, i64 } %t90, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t90, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  store { ptr, i64, i64 } %t95, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a96
+  store { ptr, i64, i64 } %t101, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.2387, i64 11, i64 0 }, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t101, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t108 = load i64, ptr %t107
+  call void @finch_str_from_int(ptr %a109, i64 %t108)
+  %t110 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t106, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t106, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  store { ptr, i64, i64 } %t110, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.fail(ptr %t57, %S.ast.Node %t58, { ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  br label %endif3859
+endif3859:
+  %t118 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t118, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.2388, i64 1, i64 0 }, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a119
+  %t123 = load { ptr, i64, i64 }, ptr %a4
+  %t124 = call { ptr, i64, i64 } @finch.gen.shownTypes({ ptr, i64, i64 } %t123)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  store { ptr, i64, i64 } %t124, ptr %a127
+  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
+  store { ptr, i64, i64 } %t122, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  store { ptr, i64, i64 } %t124, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a125
+  store { ptr, i64, i64 } %t130, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.2389, i64 1, i64 0 }, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t130, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  store { ptr, i64, i64 } %t135, ptr %a136
+  %t137 = load ptr, ptr %a1
+  %t138 = load { ptr, i64, i64 }, ptr %a2
+  %t139 = load { ptr, i64, i64 }, ptr %a136
+  %t140 = call i64 @finch.gen.findStruct(ptr %t137, { ptr, i64, i64 } %t138, { ptr, i64, i64 } %t139)
+  %t141 = icmp slt i64 %t140, 0
+  br i1 %t141, label %then3860, label %endif3862
+then3860:
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic3863, label %ok3864
+panic3863:
+  call void @finch_panic(ptr @.str.2390, i64 1623, ptr @.str.2391)
   unreachable
-ok3653:
-  %t126 = getelementptr inbounds %S.gen.Gen, ptr %t124, i32 0, i32 15
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t126, i32 0, i32 1
-  %t128 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t128, ptr %a129
-  call void @finch_str_copy(ptr %a130, ptr %a129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  %t132 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t131, 0
-  %t133 = load { ptr, i64, i64 }, ptr %a118
-  store { ptr, i64, i64 } %t133, ptr %a134
-  call void @finch_str_copy(ptr %a135, ptr %a134)
-  %t136 = load { ptr, i64, i64 }, ptr %a135
-  %t137 = insertvalue %S.gen.StructDef %t132, { ptr, i64, i64 } %t136, 1
-  %t138 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t138, ptr %a139
-  call void @finch_str_copy(ptr %a140, ptr %a139)
-  %t141 = load { ptr, i64, i64 }, ptr %a140
-  %t142 = insertvalue %S.gen.StructDef %t137, { ptr, i64, i64 } %t141, 5
-  %t143 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 3
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  call void @finch.copy.arr_str(ptr %a146, ptr %a145)
-  %t147 = load { ptr, i64, i64 }, ptr %a146
-  %t148 = insertvalue %S.gen.StructDef %t142, { ptr, i64, i64 } %t147, 6
-  %t149 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t149, ptr %a150
-  call void @finch.copy.arr_S_ast_Type(ptr %a151, ptr %a150)
-  %t152 = load { ptr, i64, i64 }, ptr %a151
-  %t153 = insertvalue %S.gen.StructDef %t148, { ptr, i64, i64 } %t152, 7
-  %t154 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 4
-  %t155 = load i64, ptr %t154
-  %t156 = insertvalue %S.gen.StructDef %t153, i64 %t155, 13
-  %t157 = getelementptr inbounds %S.gen.Template, ptr %a46, i32 0, i32 5
-  %t158 = load i64, ptr %t157
-  %t159 = insertvalue %S.gen.StructDef %t156, i64 %t158, 14
-  %t160 = load i64, ptr %t127
-  %t161 = add i64 %t160, 1
-  call void @finch_arr_reserve(ptr %t126, i64 %t161, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
-  %t162 = load ptr, ptr %t126
-  %t163 = getelementptr inbounds %S.gen.StructDef, ptr %t162, i64 %t160
-  store %S.gen.StructDef %t159, ptr %t163
-  store i64 %t161, ptr %t127
-  %t164 = load ptr, ptr %a1
-  %t165 = load ptr, ptr %a1
-  %t166 = icmp eq ptr %t165, null
-  br i1 %t166, label %panic3654, label %ok3655
-panic3654:
-  call void @finch_panic(ptr @.str.2307, i64 1476, ptr @.str.2308)
+ok3864:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 16
+  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
+  %t146 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t146, ptr %a147
+  call void @finch_str_copy(ptr %a148, ptr %a147)
+  %t149 = load { ptr, i64, i64 }, ptr %a148
+  %t150 = insertvalue %S.gen.StructDef zeroinitializer, { ptr, i64, i64 } %t149, 0
+  %t151 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t151, ptr %a152
+  call void @finch_str_copy(ptr %a153, ptr %a152)
+  %t154 = load { ptr, i64, i64 }, ptr %a153
+  %t155 = insertvalue %S.gen.StructDef %t150, { ptr, i64, i64 } %t154, 1
+  %t156 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t156, ptr %a157
+  call void @finch_str_copy(ptr %a158, ptr %a157)
+  %t159 = load { ptr, i64, i64 }, ptr %a158
+  %t160 = insertvalue %S.gen.StructDef %t155, { ptr, i64, i64 } %t159, 5
+  %t161 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 3
+  %t162 = load { ptr, i64, i64 }, ptr %t161
+  store { ptr, i64, i64 } %t162, ptr %a163
+  call void @finch.copy.arr_str(ptr %a164, ptr %a163)
+  %t165 = load { ptr, i64, i64 }, ptr %a164
+  %t166 = insertvalue %S.gen.StructDef %t160, { ptr, i64, i64 } %t165, 6
+  %t167 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t167, ptr %a168
+  call void @finch.copy.arr_S_ast_Type(ptr %a169, ptr %a168)
+  %t170 = load { ptr, i64, i64 }, ptr %a169
+  %t171 = insertvalue %S.gen.StructDef %t166, { ptr, i64, i64 } %t170, 7
+  %t172 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 4
+  %t173 = load i64, ptr %t172
+  %t174 = insertvalue %S.gen.StructDef %t171, i64 %t173, 13
+  %t175 = getelementptr inbounds %S.gen.Template, ptr %a50, i32 0, i32 5
+  %t176 = load i64, ptr %t175
+  %t177 = insertvalue %S.gen.StructDef %t174, i64 %t176, 14
+  %t178 = load i64, ptr %t145
+  %t179 = add i64 %t178, 1
+  call void @finch_arr_reserve(ptr %t144, i64 %t179, i64 ptrtoint (ptr getelementptr (%S.gen.StructDef, ptr null, i32 1) to i64))
+  %t180 = load ptr, ptr %t144
+  %t181 = getelementptr inbounds %S.gen.StructDef, ptr %t180, i64 %t178
+  store %S.gen.StructDef %t177, ptr %t181
+  store i64 %t179, ptr %t145
+  %t182 = load ptr, ptr %a1
+  %t183 = load ptr, ptr %a1
+  %t184 = icmp eq ptr %t183, null
+  br i1 %t184, label %panic3865, label %ok3866
+panic3865:
+  call void @finch_panic(ptr @.str.2392, i64 1624, ptr @.str.2393)
   unreachable
-ok3655:
-  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 15
-  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
-  %t169 = load i64, ptr %t168
-  %t170 = sub i64 %t169, 1
-  call void @finch.gen.resolveStruct(ptr %t164, i64 %t170)
-  br label %endif3651
-endif3651:
-  %t171 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.2309, i64 6, i64 0 }, 0
-  %t172 = load { ptr, i64, i64 }, ptr %a118
-  store { ptr, i64, i64 } %t172, ptr %a173
-  call void @finch_str_copy(ptr %a174, ptr %a173)
-  %t175 = load { ptr, i64, i64 }, ptr %a174
-  %t176 = insertvalue %S.ast.Type %t171, { ptr, i64, i64 } %t175, 2
-  %t177 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t177, ptr %a178
-  call void @finch_str_copy(ptr %a179, ptr %a178)
-  %t180 = load { ptr, i64, i64 }, ptr %a179
-  %t181 = insertvalue %S.ast.Type %t176, { ptr, i64, i64 } %t180, 3
-  ret %S.ast.Type %t181
+ok3866:
+  %t185 = getelementptr inbounds %S.gen.Gen, ptr %t183, i32 0, i32 16
+  %t186 = getelementptr inbounds { ptr, i64, i64 }, ptr %t185, i32 0, i32 1
+  %t187 = load i64, ptr %t186
+  %t188 = sub i64 %t187, 1
+  call void @finch.gen.resolveStruct(ptr %t182, i64 %t188)
+  br label %endif3862
+endif3862:
+  %t189 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.2394, i64 6, i64 0 }, 0
+  %t190 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_copy(ptr %a192, ptr %a191)
+  %t193 = load { ptr, i64, i64 }, ptr %a192
+  %t194 = insertvalue %S.ast.Type %t189, { ptr, i64, i64 } %t193, 2
+  %t195 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t195, ptr %a196
+  call void @finch_str_copy(ptr %a197, ptr %a196)
+  %t198 = load { ptr, i64, i64 }, ptr %a197
+  %t199 = insertvalue %S.ast.Type %t194, { ptr, i64, i64 } %t198, 3
+  call void @finch_str_drop(ptr %a136)
+  call void @finch.drop.S_gen_Template(ptr %a50)
+  ret %S.ast.Type %t199
 }
 
 define internal i64 @finch.gen.instFn(ptr %p0, i64 %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, %S.ast.Node %p4) {
@@ -34668,105 +40402,134 @@ entry:
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca i64, align 16
-  %a58 = alloca i64, align 16
-  %a81 = alloca %S.ast.Node, align 16
-  %a82 = alloca %S.ast.Node, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca i64, align 16
+  %a61 = alloca i64, align 16
   %a84 = alloca %S.ast.Node, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca %S.gen.FnSig, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca %S.ast.Node, align 16
+  %a87 = alloca %S.ast.Node, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca %S.gen.FnSig, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
   %a187 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca %S.ast.Node, align 16
-  %a293 = alloca %S.ast.Node, align 16
-  %a295 = alloca %S.ast.Node, align 16
-  %a300 = alloca i64, align 16
-  %a322 = alloca %S.ast.Type, align 16
-  %a326 = alloca %S.ast.Type, align 16
-  %a327 = alloca %S.ast.Type, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca %S.ast.Type, align 16
+  %a327 = alloca %S.ast.Node, align 16
+  %a328 = alloca %S.ast.Node, align 16
+  %a330 = alloca %S.ast.Node, align 16
+  %a335 = alloca i64, align 16
+  %a357 = alloca %S.ast.Type, align 16
+  %a361 = alloca %S.ast.Type, align 16
+  %a362 = alloca %S.ast.Type, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
   %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a401 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca %S.gen.FnSig, align 16
-  %a410 = alloca %S.gen.FnSig, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca %S.gen.FnSig, align 16
+  %a453 = alloca %S.gen.FnSig, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -34774,21 +40537,21 @@ entry:
   store %S.ast.Node %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic3656, label %ok3657
-panic3656:
-  call void @finch_panic(ptr @.str.2310, i64 1483, ptr @.str.2311)
+  br i1 %t7, label %panic3867, label %ok3868
+panic3867:
+  call void @finch_panic(ptr @.str.2395, i64 1631, ptr @.str.2396)
   unreachable
-ok3657:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
+ok3868:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 17
   %t9 = load i64, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range3658, label %inrange3659
-range3658:
-  call void @finch_panic_index(ptr @.str.2312, i64 1483, i64 %t9, i64 %t11)
+  br i1 %t12, label %range3869, label %inrange3870
+range3869:
+  call void @finch_panic_index(ptr @.str.2397, i64 1631, i64 %t9, i64 %t11)
   unreachable
-inrange3659:
+inrange3870:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.Template, ptr %t13, i64 %t9
   %t15 = load %S.gen.Template, ptr %t14
@@ -34799,7 +40562,7 @@ inrange3659:
   %t20 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.2313, i64 1, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.2398, i64 1, i64 0 }, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
   %t25 = load { ptr, i64, i64 }, ptr %a22
   %t26 = load { ptr, i64, i64 }, ptr %a3
@@ -34807,569 +40570,655 @@ inrange3659:
   store { ptr, i64, i64 } %t25, ptr %a29
   store { ptr, i64, i64 } %t27, ptr %a30
   call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.2314, i64 1, i64 0 }, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a36
-  %t37 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i32 0, i32 1
-  %t39 = load i64, ptr %t38
-  %t40 = icmp sgt i64 %t39, 0
-  br i1 %t40, label %then3660, label %else3661
-then3660:
-  %t41 = load ptr, ptr %a1
-  %t42 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  %t44 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t47 = load { ptr, i64, i64 }, ptr %t46
-  %t48 = call i64 @finch.gen.findMethod(ptr %t41, { ptr, i64, i64 } %t43, { ptr, i64, i64 } %t45, { ptr, i64, i64 } %t47)
-  store i64 %t48, ptr %a49
-  %t50 = load i64, ptr %a49
-  %t51 = icmp sge i64 %t50, 0
-  br i1 %t51, label %then3663, label %endif3665
-then3663:
-  %t52 = load i64, ptr %a49
-  ret i64 %t52
-endif3665:
-  br label %endif3662
-else3661:
-  %t53 = load ptr, ptr %a1
-  %t54 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  %t56 = load { ptr, i64, i64 }, ptr %a36
-  %t57 = call i64 @finch.gen.findFn(ptr %t53, { ptr, i64, i64 } %t55, { ptr, i64, i64 } %t56)
-  store i64 %t57, ptr %a58
-  %t59 = load i64, ptr %a58
-  %t60 = icmp sge i64 %t59, 0
-  br i1 %t60, label %then3666, label %endif3668
-then3666:
-  %t61 = load i64, ptr %a58
-  ret i64 %t61
-endif3668:
-  br label %endif3662
-endif3662:
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic3669, label %ok3670
-panic3669:
-  call void @finch_panic(ptr @.str.2315, i64 1496, ptr @.str.2316)
+  store { ptr, i64, i64 } %t25, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  store { ptr, i64, i64 } %t27, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t33, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.2399, i64 1, i64 0 }, ptr %a36
+  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a34
+  store { ptr, i64, i64 } %t38, ptr %a39
+  %t40 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = icmp sgt i64 %t42, 0
+  br i1 %t43, label %then3871, label %else3872
+then3871:
+  %t44 = load ptr, ptr %a1
+  %t45 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  %t49 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  %t51 = call i64 @finch.gen.findMethod(ptr %t44, { ptr, i64, i64 } %t46, { ptr, i64, i64 } %t48, { ptr, i64, i64 } %t50)
+  store i64 %t51, ptr %a52
+  %t53 = load i64, ptr %a52
+  %t54 = icmp sge i64 %t53, 0
+  br i1 %t54, label %then3874, label %endif3876
+then3874:
+  %t55 = load i64, ptr %a52
+  call void @finch_str_drop(ptr %a39)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret i64 %t55
+endif3876:
+  br label %endif3873
+else3872:
+  %t56 = load ptr, ptr %a1
+  %t57 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t58 = load { ptr, i64, i64 }, ptr %t57
+  %t59 = load { ptr, i64, i64 }, ptr %a39
+  %t60 = call i64 @finch.gen.findFn(ptr %t56, { ptr, i64, i64 } %t58, { ptr, i64, i64 } %t59)
+  store i64 %t60, ptr %a61
+  %t62 = load i64, ptr %a61
+  %t63 = icmp sge i64 %t62, 0
+  br i1 %t63, label %then3877, label %endif3879
+then3877:
+  %t64 = load i64, ptr %a61
+  call void @finch_str_drop(ptr %a39)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret i64 %t64
+endif3879:
+  br label %endif3873
+endif3873:
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic3880, label %ok3881
+panic3880:
+  call void @finch_panic(ptr @.str.2400, i64 1644, ptr @.str.2401)
   unreachable
-ok3670:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 0
-  %t65 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
-  %t66 = load i64, ptr %t65
-  %t67 = load { ptr, i64, i64 }, ptr %t64
-  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
-  %t69 = icmp uge i64 %t66, %t68
-  br i1 %t69, label %range3671, label %inrange3672
-range3671:
-  call void @finch_panic_index(ptr @.str.2317, i64 1496, i64 %t66, i64 %t68)
+ok3881:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 0
+  %t68 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
+  %t69 = load i64, ptr %t68
+  %t70 = load { ptr, i64, i64 }, ptr %t67
+  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
+  %t72 = icmp uge i64 %t69, %t71
+  br i1 %t72, label %range3882, label %inrange3883
+range3882:
+  call void @finch_panic_index(ptr @.str.2402, i64 1644, i64 %t69, i64 %t71)
   unreachable
-inrange3672:
-  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
-  %t71 = getelementptr inbounds %S.ast.Program, ptr %t70, i64 %t66
-  %t72 = getelementptr inbounds %S.ast.Program, ptr %t71, i32 0, i32 8
-  %t73 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
-  %t74 = load i64, ptr %t73
-  %t75 = load { ptr, i64, i64 }, ptr %t72
-  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
-  %t77 = icmp uge i64 %t74, %t76
-  br i1 %t77, label %range3673, label %inrange3674
-range3673:
-  call void @finch_panic_index(ptr @.str.2318, i64 1496, i64 %t74, i64 %t76)
+inrange3883:
+  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
+  %t74 = getelementptr inbounds %S.ast.Program, ptr %t73, i64 %t69
+  %t75 = getelementptr inbounds %S.ast.Program, ptr %t74, i32 0, i32 8
+  %t76 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
+  %t77 = load i64, ptr %t76
+  %t78 = load { ptr, i64, i64 }, ptr %t75
+  %t79 = extractvalue { ptr, i64, i64 } %t78, 1
+  %t80 = icmp uge i64 %t77, %t79
+  br i1 %t80, label %range3884, label %inrange3885
+range3884:
+  call void @finch_panic_index(ptr @.str.2403, i64 1644, i64 %t77, i64 %t79)
   unreachable
-inrange3674:
-  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
-  %t79 = getelementptr inbounds %S.ast.Node, ptr %t78, i64 %t74
-  %t80 = load %S.ast.Node, ptr %t79
-  store %S.ast.Node %t80, ptr %a81
-  call void @finch.copy.S_ast_Node(ptr %a82, ptr %a81)
-  %t83 = load %S.ast.Node, ptr %a82
+inrange3885:
+  %t81 = extractvalue { ptr, i64, i64 } %t78, 0
+  %t82 = getelementptr inbounds %S.ast.Node, ptr %t81, i64 %t77
+  %t83 = load %S.ast.Node, ptr %t82
   store %S.ast.Node %t83, ptr %a84
-  %t85 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  store { ptr, i64, i64 } %t86, ptr %a87
-  call void @finch_str_copy(ptr %a88, ptr %a87)
-  %t89 = load { ptr, i64, i64 }, ptr %a88
-  %t90 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t89, 0
-  %t91 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t91, ptr %a92
-  call void @finch_str_copy(ptr %a93, ptr %a92)
-  %t94 = load { ptr, i64, i64 }, ptr %a93
-  %t95 = insertvalue %S.gen.FnSig %t90, { ptr, i64, i64 } %t94, 1
-  %t96 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t97 = load { ptr, i64, i64 }, ptr %t96
-  store { ptr, i64, i64 } %t97, ptr %a98
-  call void @finch_str_copy(ptr %a99, ptr %a98)
-  %t100 = load { ptr, i64, i64 }, ptr %a99
-  %t101 = insertvalue %S.gen.FnSig %t95, { ptr, i64, i64 } %t100, 3
-  %t102 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  store { ptr, i64, i64 } %t103, ptr %a104
-  call void @finch.copy.arr_str(ptr %a105, ptr %a104)
-  %t106 = load { ptr, i64, i64 }, ptr %a105
-  %t107 = insertvalue %S.gen.FnSig %t101, { ptr, i64, i64 } %t106, 6
-  %t108 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t108, ptr %a109
-  call void @finch.copy.arr_S_ast_Type(ptr %a110, ptr %a109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  %t112 = insertvalue %S.gen.FnSig %t107, { ptr, i64, i64 } %t111, 7
-  %t113 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t113, ptr %a114
-  call void @finch_str_copy(ptr %a115, ptr %a114)
-  %t116 = load { ptr, i64, i64 }, ptr %a115
-  %t117 = insertvalue %S.gen.FnSig %t112, { ptr, i64, i64 } %t116, 8
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 7
-  %t119 = load i1, ptr %t118
-  %t120 = insertvalue %S.gen.FnSig %t117, i1 %t119, 9
-  %t121 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 7
+  call void @finch.copy.S_ast_Node(ptr %a85, ptr %a84)
+  %t86 = load %S.ast.Node, ptr %a85
+  store %S.ast.Node %t86, ptr %a87
+  %t88 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  call void @finch_str_copy(ptr %a91, ptr %a90)
+  %t92 = load { ptr, i64, i64 }, ptr %a91
+  %t93 = insertvalue %S.gen.FnSig zeroinitializer, { ptr, i64, i64 } %t92, 0
+  %t94 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t94, ptr %a95
+  call void @finch_str_copy(ptr %a96, ptr %a95)
+  %t97 = load { ptr, i64, i64 }, ptr %a96
+  %t98 = insertvalue %S.gen.FnSig %t93, { ptr, i64, i64 } %t97, 1
+  %t99 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t100 = load { ptr, i64, i64 }, ptr %t99
+  store { ptr, i64, i64 } %t100, ptr %a101
+  call void @finch_str_copy(ptr %a102, ptr %a101)
+  %t103 = load { ptr, i64, i64 }, ptr %a102
+  %t104 = insertvalue %S.gen.FnSig %t98, { ptr, i64, i64 } %t103, 3
+  %t105 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t106 = load { ptr, i64, i64 }, ptr %t105
+  store { ptr, i64, i64 } %t106, ptr %a107
+  call void @finch.copy.arr_str(ptr %a108, ptr %a107)
+  %t109 = load { ptr, i64, i64 }, ptr %a108
+  %t110 = insertvalue %S.gen.FnSig %t104, { ptr, i64, i64 } %t109, 6
+  %t111 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch.copy.arr_S_ast_Type(ptr %a113, ptr %a112)
+  %t114 = load { ptr, i64, i64 }, ptr %a113
+  %t115 = insertvalue %S.gen.FnSig %t110, { ptr, i64, i64 } %t114, 7
+  %t116 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_copy(ptr %a118, ptr %a117)
+  %t119 = load { ptr, i64, i64 }, ptr %a118
+  %t120 = insertvalue %S.gen.FnSig %t115, { ptr, i64, i64 } %t119, 8
+  %t121 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 7
   %t122 = load i1, ptr %t121
-  %t123 = insertvalue %S.gen.FnSig %t120, i1 %t122, 10
-  %t124 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
-  %t125 = load i64, ptr %t124
-  %t126 = insertvalue %S.gen.FnSig %t123, i64 %t125, 16
-  %t127 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
+  %t123 = insertvalue %S.gen.FnSig %t120, i1 %t122, 9
+  %t124 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 7
+  %t125 = load i1, ptr %t124
+  %t126 = insertvalue %S.gen.FnSig %t123, i1 %t125, 10
+  %t127 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
   %t128 = load i64, ptr %t127
-  %t129 = insertvalue %S.gen.FnSig %t126, i64 %t128, 17
-  store %S.gen.FnSig %t129, ptr %a130
-  %t131 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t132 = load { ptr, i64, i64 }, ptr %t131
-  %t133 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t132)
-  store { ptr, i64, i64 } { ptr @.str.2319, i64 7, i64 0 }, ptr %a135
-  store { ptr, i64, i64 } %t133, ptr %a136
-  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
-  %t137 = load { ptr, i64, i64 }, ptr %a134
-  store { ptr, i64, i64 } %t137, ptr %a139
-  store { ptr, i64, i64 } { ptr @.str.2320, i64 1, i64 0 }, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  %t142 = load { ptr, i64, i64 }, ptr %a36
-  %t143 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t142)
+  %t129 = insertvalue %S.gen.FnSig %t126, i64 %t128, 16
+  %t130 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 5
+  %t131 = load i64, ptr %t130
+  %t132 = insertvalue %S.gen.FnSig %t129, i64 %t131, 17
+  store %S.gen.FnSig %t132, ptr %a133
+  %t134 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  %t136 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t135)
+  store { ptr, i64, i64 } { ptr @.str.2404, i64 7, i64 0 }, ptr %a138
+  store { ptr, i64, i64 } %t136, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t141, ptr %a143
+  store { ptr, i64, i64 } { ptr @.str.2405, i64 1, i64 0 }, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
   store { ptr, i64, i64 } %t141, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 11
-  store { ptr, i64, i64 } %t147, ptr %t148
-  %t149 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
-  %t150 = getelementptr inbounds { ptr, i64, i64 }, ptr %t149, i32 0, i32 1
-  %t151 = load i64, ptr %t150
-  %t152 = icmp sgt i64 %t151, 0
-  br i1 %t152, label %then3675, label %endif3677
-then3675:
-  %t153 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t154 = load { ptr, i64, i64 }, ptr %t153
-  %t155 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 1
-  store { ptr, i64, i64 } %t154, ptr %a156
-  call void @finch_str_copy(ptr %a157, ptr %a156)
-  %t158 = load { ptr, i64, i64 }, ptr %a157
-  store { ptr, i64, i64 } %t158, ptr %t155
-  %t159 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t160 = load { ptr, i64, i64 }, ptr %t159
-  %t161 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 2
-  store { ptr, i64, i64 } %t160, ptr %a162
-  call void @finch_str_copy(ptr %a163, ptr %a162)
-  %t164 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t164, ptr %t161
-  %t165 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t166 = load { ptr, i64, i64 }, ptr %t165
-  store { ptr, i64, i64 } %t166, ptr %a168
-  store { ptr, i64, i64 } { ptr @.str.2321, i64 1, i64 0 }, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  %t171 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t172 = load { ptr, i64, i64 }, ptr %t171
-  store { ptr, i64, i64 } %t170, ptr %a174
-  store { ptr, i64, i64 } %t172, ptr %a175
-  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
-  %t176 = load { ptr, i64, i64 }, ptr %a173
-  %t177 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 8
-  store { ptr, i64, i64 } %t176, ptr %t177
-  %t178 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  %t147 = load { ptr, i64, i64 }, ptr %a39
+  %t148 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t147)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  store { ptr, i64, i64 } %t146, ptr %a152
+  call void @finch_str_drop(ptr %a152)
+  store { ptr, i64, i64 } %t148, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a149
+  %t155 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 11
+  %t156 = load { ptr, i64, i64 }, ptr %t155
+  store { ptr, i64, i64 } %t154, ptr %t155
+  store { ptr, i64, i64 } %t156, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 2
+  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %t158, i32 0, i32 1
+  %t160 = load i64, ptr %t159
+  %t161 = icmp sgt i64 %t160, 0
+  br i1 %t161, label %then3886, label %endif3888
+then3886:
+  %t162 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  %t164 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 1
+  store { ptr, i64, i64 } %t163, ptr %a165
+  call void @finch_str_copy(ptr %a166, ptr %a165)
+  %t167 = load { ptr, i64, i64 }, ptr %a166
+  %t168 = load { ptr, i64, i64 }, ptr %t164
+  store { ptr, i64, i64 } %t167, ptr %t164
+  store { ptr, i64, i64 } %t168, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
+  %t171 = load { ptr, i64, i64 }, ptr %t170
+  %t172 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 2
+  store { ptr, i64, i64 } %t171, ptr %a173
+  call void @finch_str_copy(ptr %a174, ptr %a173)
+  %t175 = load { ptr, i64, i64 }, ptr %a174
+  %t176 = load { ptr, i64, i64 }, ptr %t172
+  store { ptr, i64, i64 } %t175, ptr %t172
+  store { ptr, i64, i64 } %t176, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
   %t179 = load { ptr, i64, i64 }, ptr %t178
-  %t180 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t179)
-  store { ptr, i64, i64 } { ptr @.str.2322, i64 7, i64 0 }, ptr %a182
-  store { ptr, i64, i64 } %t180, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  store { ptr, i64, i64 } %t184, ptr %a186
-  store { ptr, i64, i64 } { ptr @.str.2323, i64 1, i64 0 }, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  %t189 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
-  %t190 = load { ptr, i64, i64 }, ptr %t189
-  %t191 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t190)
-  store { ptr, i64, i64 } %t188, ptr %a193
-  store { ptr, i64, i64 } %t191, ptr %a194
-  call void @finch_str_concat(ptr %a192, ptr %a193, ptr %a194)
-  %t195 = load { ptr, i64, i64 }, ptr %a192
-  store { ptr, i64, i64 } %t195, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.2324, i64 1, i64 0 }, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  %t200 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store { ptr, i64, i64 } %t199, ptr %a203
-  store { ptr, i64, i64 } %t201, ptr %a204
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.2406, i64 1, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a180
+  %t184 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t185 = load { ptr, i64, i64 }, ptr %t184
+  store { ptr, i64, i64 } %t183, ptr %a187
+  store { ptr, i64, i64 } %t185, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t183, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  %t190 = load { ptr, i64, i64 }, ptr %a186
+  %t191 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 8
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  store { ptr, i64, i64 } %t190, ptr %t191
+  store { ptr, i64, i64 } %t192, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t195 = load { ptr, i64, i64 }, ptr %t194
+  %t196 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t195)
+  store { ptr, i64, i64 } { ptr @.str.2407, i64 7, i64 0 }, ptr %a198
+  store { ptr, i64, i64 } %t196, ptr %a199
+  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
+  store { ptr, i64, i64 } %t196, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  %t201 = load { ptr, i64, i64 }, ptr %a197
+  store { ptr, i64, i64 } %t201, ptr %a203
+  store { ptr, i64, i64 } { ptr @.str.2408, i64 1, i64 0 }, ptr %a204
   call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 11
-  store { ptr, i64, i64 } %t205, ptr %t206
-  br label %endif3677
-endif3677:
-  %t207 = load ptr, ptr %a1
-  %t208 = icmp eq ptr %t207, null
-  br i1 %t208, label %panic3678, label %ok3679
-panic3678:
-  call void @finch_panic(ptr @.str.2325, i64 1505, ptr @.str.2326)
-  unreachable
-ok3679:
-  %t209 = getelementptr inbounds %S.gen.Gen, ptr %t207, i32 0, i32 17
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  store { ptr, i64, i64 } %t210, ptr %a211
-  call void @finch.copy.arr_str(ptr %a212, ptr %a211)
-  %t213 = load { ptr, i64, i64 }, ptr %a212
-  store { ptr, i64, i64 } %t213, ptr %a214
-  %t215 = load ptr, ptr %a1
-  %t216 = icmp eq ptr %t215, null
-  br i1 %t216, label %panic3680, label %ok3681
-panic3680:
-  call void @finch_panic(ptr @.str.2327, i64 1506, ptr @.str.2328)
-  unreachable
-ok3681:
-  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 18
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  store { ptr, i64, i64 } %t218, ptr %a219
-  call void @finch.copy.arr_S_ast_Type(ptr %a220, ptr %a219)
-  %t221 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t221, ptr %a222
-  %t223 = load ptr, ptr %a1
-  %t224 = icmp eq ptr %t223, null
-  br i1 %t224, label %panic3682, label %ok3683
-panic3682:
-  call void @finch_panic(ptr @.str.2329, i64 1507, ptr @.str.2330)
-  unreachable
-ok3683:
-  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 13
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  store { ptr, i64, i64 } %t226, ptr %a227
-  call void @finch_str_copy(ptr %a228, ptr %a227)
-  %t229 = load { ptr, i64, i64 }, ptr %a228
+  store { ptr, i64, i64 } %t201, ptr %a205
+  call void @finch_str_drop(ptr %a205)
+  %t206 = load { ptr, i64, i64 }, ptr %a202
+  %t207 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 2
+  %t208 = load { ptr, i64, i64 }, ptr %t207
+  %t209 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t208)
+  store { ptr, i64, i64 } %t206, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  store { ptr, i64, i64 } %t206, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  store { ptr, i64, i64 } %t209, ptr %a214
+  call void @finch_str_drop(ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } %t215, ptr %a217
+  store { ptr, i64, i64 } { ptr @.str.2409, i64 1, i64 0 }, ptr %a218
+  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
+  store { ptr, i64, i64 } %t215, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = load { ptr, i64, i64 }, ptr %a216
+  %t221 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t222 = load { ptr, i64, i64 }, ptr %t221
+  store { ptr, i64, i64 } %t220, ptr %a224
+  store { ptr, i64, i64 } %t222, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t220, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 11
+  %t229 = load { ptr, i64, i64 }, ptr %t228
+  store { ptr, i64, i64 } %t227, ptr %t228
   store { ptr, i64, i64 } %t229, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  br label %endif3888
+endif3888:
   %t231 = load ptr, ptr %a1
   %t232 = icmp eq ptr %t231, null
-  br i1 %t232, label %panic3684, label %ok3685
-panic3684:
-  call void @finch_panic(ptr @.str.2331, i64 1508, ptr @.str.2332)
+  br i1 %t232, label %panic3889, label %ok3890
+panic3889:
+  call void @finch_panic(ptr @.str.2410, i64 1653, ptr @.str.2411)
   unreachable
-ok3685:
-  %t233 = getelementptr inbounds %S.gen.Gen, ptr %t231, i32 0, i32 19
+ok3890:
+  %t233 = getelementptr inbounds %S.gen.Gen, ptr %t231, i32 0, i32 18
   %t234 = load { ptr, i64, i64 }, ptr %t233
   store { ptr, i64, i64 } %t234, ptr %a235
-  call void @finch_str_copy(ptr %a236, ptr %a235)
+  call void @finch.copy.arr_str(ptr %a236, ptr %a235)
   %t237 = load { ptr, i64, i64 }, ptr %a236
   store { ptr, i64, i64 } %t237, ptr %a238
-  %t239 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  %t241 = load ptr, ptr %a1
-  %t242 = icmp eq ptr %t241, null
-  br i1 %t242, label %panic3686, label %ok3687
-panic3686:
-  call void @finch_panic(ptr @.str.2333, i64 1509, ptr @.str.2334)
+  %t239 = load ptr, ptr %a1
+  %t240 = icmp eq ptr %t239, null
+  br i1 %t240, label %panic3891, label %ok3892
+panic3891:
+  call void @finch_panic(ptr @.str.2412, i64 1654, ptr @.str.2413)
   unreachable
-ok3687:
-  %t243 = getelementptr inbounds %S.gen.Gen, ptr %t241, i32 0, i32 17
-  store { ptr, i64, i64 } %t240, ptr %a244
-  call void @finch.copy.arr_str(ptr %a245, ptr %a244)
-  %t246 = load { ptr, i64, i64 }, ptr %a245
-  store { ptr, i64, i64 } %t246, ptr %t243
-  %t247 = load { ptr, i64, i64 }, ptr %a3
-  %t248 = load ptr, ptr %a1
-  %t249 = icmp eq ptr %t248, null
-  br i1 %t249, label %panic3688, label %ok3689
-panic3688:
-  call void @finch_panic(ptr @.str.2335, i64 1510, ptr @.str.2336)
+ok3892:
+  %t241 = getelementptr inbounds %S.gen.Gen, ptr %t239, i32 0, i32 19
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a243
+  call void @finch.copy.arr_S_ast_Type(ptr %a244, ptr %a243)
+  %t245 = load { ptr, i64, i64 }, ptr %a244
+  store { ptr, i64, i64 } %t245, ptr %a246
+  %t247 = load ptr, ptr %a1
+  %t248 = icmp eq ptr %t247, null
+  br i1 %t248, label %panic3893, label %ok3894
+panic3893:
+  call void @finch_panic(ptr @.str.2414, i64 1655, ptr @.str.2415)
   unreachable
-ok3689:
-  %t250 = getelementptr inbounds %S.gen.Gen, ptr %t248, i32 0, i32 18
-  store { ptr, i64, i64 } %t247, ptr %a251
-  call void @finch.copy.arr_S_ast_Type(ptr %a252, ptr %a251)
+ok3894:
+  %t249 = getelementptr inbounds %S.gen.Gen, ptr %t247, i32 0, i32 14
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  store { ptr, i64, i64 } %t250, ptr %a251
+  call void @finch_str_copy(ptr %a252, ptr %a251)
   %t253 = load { ptr, i64, i64 }, ptr %a252
-  store { ptr, i64, i64 } %t253, ptr %t250
-  %t254 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
-  %t255 = load { ptr, i64, i64 }, ptr %t254
-  %t256 = load ptr, ptr %a1
-  %t257 = icmp eq ptr %t256, null
-  br i1 %t257, label %panic3690, label %ok3691
-panic3690:
-  call void @finch_panic(ptr @.str.2337, i64 1511, ptr @.str.2338)
+  store { ptr, i64, i64 } %t253, ptr %a254
+  %t255 = load ptr, ptr %a1
+  %t256 = icmp eq ptr %t255, null
+  br i1 %t256, label %panic3895, label %ok3896
+panic3895:
+  call void @finch_panic(ptr @.str.2416, i64 1656, ptr @.str.2417)
   unreachable
-ok3691:
-  %t258 = getelementptr inbounds %S.gen.Gen, ptr %t256, i32 0, i32 13
-  store { ptr, i64, i64 } %t255, ptr %a259
+ok3896:
+  %t257 = getelementptr inbounds %S.gen.Gen, ptr %t255, i32 0, i32 20
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
   call void @finch_str_copy(ptr %a260, ptr %a259)
   %t261 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t261, ptr %t258
-  %t262 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 8
-  %t263 = load { ptr, i64, i64 }, ptr %t262
-  store { ptr, i64, i64 } { ptr @.str.2339, i64 17, i64 0 }, ptr %a265
-  store { ptr, i64, i64 } %t263, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
-  store { ptr, i64, i64 } %t267, ptr %a269
-  store { ptr, i64, i64 } { ptr @.str.2340, i64 1, i64 0 }, ptr %a270
-  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
-  %t271 = load { ptr, i64, i64 }, ptr %a268
-  %t272 = load ptr, ptr %a1
-  %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic3692, label %ok3693
-panic3692:
-  call void @finch_panic(ptr @.str.2341, i64 1512, ptr @.str.2342)
+  store { ptr, i64, i64 } %t261, ptr %a262
+  %t263 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  %t265 = load ptr, ptr %a1
+  %t266 = icmp eq ptr %t265, null
+  br i1 %t266, label %panic3897, label %ok3898
+panic3897:
+  call void @finch_panic(ptr @.str.2418, i64 1657, ptr @.str.2419)
   unreachable
-ok3693:
-  %t274 = getelementptr inbounds %S.gen.Gen, ptr %t272, i32 0, i32 19
-  store { ptr, i64, i64 } %t271, ptr %t274
-  %t275 = load ptr, ptr %a1
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 5
-  %t277 = load %S.ast.Type, ptr %t276
-  %t278 = load %S.ast.Node, ptr %a84
-  %t279 = call %S.ast.Type @finch.gen.resolve(ptr %t275, %S.ast.Type %t277, %S.ast.Node %t278)
-  %t280 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 12
-  store %S.ast.Type %t279, ptr %t280
-  %t281 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t282 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
-  %t284 = load i64, ptr %t283
-  %t285 = sub i64 %t284, 1
-  %t286 = load { ptr, i64, i64 }, ptr %t281
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 %t285, %t287
-  br i1 %t288, label %range3694, label %inrange3695
-range3694:
-  call void @finch_panic_index(ptr @.str.2343, i64 1514, i64 %t285, i64 %t287)
+ok3898:
+  %t267 = getelementptr inbounds %S.gen.Gen, ptr %t265, i32 0, i32 18
+  store { ptr, i64, i64 } %t264, ptr %a268
+  call void @finch.copy.arr_str(ptr %a269, ptr %a268)
+  %t270 = load { ptr, i64, i64 }, ptr %a269
+  %t271 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t270, ptr %t267
+  store { ptr, i64, i64 } %t271, ptr %a272
+  call void @finch.drop.arr_str(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a3
+  %t274 = load ptr, ptr %a1
+  %t275 = icmp eq ptr %t274, null
+  br i1 %t275, label %panic3899, label %ok3900
+panic3899:
+  call void @finch_panic(ptr @.str.2420, i64 1658, ptr @.str.2421)
   unreachable
-inrange3695:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds %S.ast.Node, ptr %t289, i64 %t285
-  %t291 = load %S.ast.Node, ptr %t290
-  store %S.ast.Node %t291, ptr %a292
-  call void @finch.copy.S_ast_Node(ptr %a293, ptr %a292)
-  %t294 = load %S.ast.Node, ptr %a293
-  store %S.ast.Node %t294, ptr %a295
-  %t296 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t296, i32 0, i32 1
-  %t298 = load i64, ptr %t297
-  %t299 = sub i64 %t298, 1
-  store i64 0, ptr %a300
-  br label %for.cond3696
-for.cond3696:
-  %t301 = load i64, ptr %a300
-  %t302 = icmp slt i64 %t301, %t299
-  br i1 %t302, label %for.body3697, label %for.end3699
-for.body3697:
+ok3900:
+  %t276 = getelementptr inbounds %S.gen.Gen, ptr %t274, i32 0, i32 19
+  store { ptr, i64, i64 } %t273, ptr %a277
+  call void @finch.copy.arr_S_ast_Type(ptr %a278, ptr %a277)
+  %t279 = load { ptr, i64, i64 }, ptr %a278
+  %t280 = load { ptr, i64, i64 }, ptr %t276
+  store { ptr, i64, i64 } %t279, ptr %t276
+  store { ptr, i64, i64 } %t280, ptr %a281
+  call void @finch.drop.arr_S_ast_Type(ptr %a281)
+  %t282 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 0
+  %t283 = load { ptr, i64, i64 }, ptr %t282
+  %t284 = load ptr, ptr %a1
+  %t285 = icmp eq ptr %t284, null
+  br i1 %t285, label %panic3901, label %ok3902
+panic3901:
+  call void @finch_panic(ptr @.str.2422, i64 1659, ptr @.str.2423)
+  unreachable
+ok3902:
+  %t286 = getelementptr inbounds %S.gen.Gen, ptr %t284, i32 0, i32 14
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_copy(ptr %a288, ptr %a287)
+  %t289 = load { ptr, i64, i64 }, ptr %a288
+  %t290 = load { ptr, i64, i64 }, ptr %t286
+  store { ptr, i64, i64 } %t289, ptr %t286
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  %t292 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 8
+  %t293 = load { ptr, i64, i64 }, ptr %t292
+  store { ptr, i64, i64 } { ptr @.str.2424, i64 17, i64 0 }, ptr %a295
+  store { ptr, i64, i64 } %t293, ptr %a296
+  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a294
+  store { ptr, i64, i64 } %t297, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.2425, i64 1, i64 0 }, ptr %a300
+  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
+  store { ptr, i64, i64 } %t297, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a298
   %t303 = load ptr, ptr %a1
-  %t304 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t305 = load i64, ptr %a300
-  %t306 = load { ptr, i64, i64 }, ptr %t304
-  %t307 = extractvalue { ptr, i64, i64 } %t306, 1
-  %t308 = icmp uge i64 %t305, %t307
-  br i1 %t308, label %range3700, label %inrange3701
-range3700:
-  call void @finch_panic_index(ptr @.str.2344, i64 1516, i64 %t305, i64 %t307)
+  %t304 = icmp eq ptr %t303, null
+  br i1 %t304, label %panic3903, label %ok3904
+panic3903:
+  call void @finch_panic(ptr @.str.2426, i64 1660, ptr @.str.2427)
   unreachable
-inrange3701:
-  %t309 = extractvalue { ptr, i64, i64 } %t306, 0
-  %t310 = getelementptr inbounds %S.ast.Node, ptr %t309, i64 %t305
-  %t311 = getelementptr inbounds %S.ast.Node, ptr %t310, i32 0, i32 5
-  %t312 = load %S.ast.Type, ptr %t311
-  %t313 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t314 = load i64, ptr %a300
-  %t315 = load { ptr, i64, i64 }, ptr %t313
-  %t316 = extractvalue { ptr, i64, i64 } %t315, 1
-  %t317 = icmp uge i64 %t314, %t316
-  br i1 %t317, label %range3702, label %inrange3703
-range3702:
-  call void @finch_panic_index(ptr @.str.2345, i64 1516, i64 %t314, i64 %t316)
+ok3904:
+  %t305 = getelementptr inbounds %S.gen.Gen, ptr %t303, i32 0, i32 20
+  %t306 = load { ptr, i64, i64 }, ptr %t305
+  store { ptr, i64, i64 } %t302, ptr %t305
+  store { ptr, i64, i64 } %t306, ptr %a307
+  call void @finch_str_drop(ptr %a307)
+  %t308 = load ptr, ptr %a1
+  %t309 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 5
+  %t310 = load %S.ast.Type, ptr %t309
+  %t311 = load %S.ast.Node, ptr %a87
+  %t312 = call %S.ast.Type @finch.gen.resolve(ptr %t308, %S.ast.Type %t310, %S.ast.Node %t311)
+  %t313 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 12
+  %t314 = load %S.ast.Type, ptr %t313
+  store %S.ast.Type %t312, ptr %t313
+  store %S.ast.Type %t314, ptr %a315
+  call void @finch.drop.S_ast_Type(ptr %a315)
+  %t316 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t317 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t317, i32 0, i32 1
+  %t319 = load i64, ptr %t318
+  %t320 = sub i64 %t319, 1
+  %t321 = load { ptr, i64, i64 }, ptr %t316
+  %t322 = extractvalue { ptr, i64, i64 } %t321, 1
+  %t323 = icmp uge i64 %t320, %t322
+  br i1 %t323, label %range3905, label %inrange3906
+range3905:
+  call void @finch_panic_index(ptr @.str.2428, i64 1662, i64 %t320, i64 %t322)
   unreachable
-inrange3703:
-  %t318 = extractvalue { ptr, i64, i64 } %t315, 0
-  %t319 = getelementptr inbounds %S.ast.Node, ptr %t318, i64 %t314
-  %t320 = load %S.ast.Node, ptr %t319
-  %t321 = call %S.ast.Type @finch.gen.resolve(ptr %t303, %S.ast.Type %t312, %S.ast.Node %t320)
-  store %S.ast.Type %t321, ptr %a322
-  %t323 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 13
-  %t324 = getelementptr inbounds { ptr, i64, i64 }, ptr %t323, i32 0, i32 1
-  %t325 = load %S.ast.Type, ptr %a322
-  store %S.ast.Type %t325, ptr %a326
-  call void @finch.copy.S_ast_Type(ptr %a327, ptr %a326)
-  %t328 = load %S.ast.Type, ptr %a327
-  %t329 = load i64, ptr %t324
-  %t330 = add i64 %t329, 1
-  call void @finch_arr_reserve(ptr %t323, i64 %t330, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t331 = load ptr, ptr %t323
-  %t332 = getelementptr inbounds %S.ast.Type, ptr %t331, i64 %t329
-  store %S.ast.Type %t328, ptr %t332
-  store i64 %t330, ptr %t324
-  %t333 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 14
-  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i32 0, i32 1
-  %t335 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t336 = load i64, ptr %a300
-  %t337 = load { ptr, i64, i64 }, ptr %t335
-  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
-  %t339 = icmp uge i64 %t336, %t338
-  br i1 %t339, label %range3704, label %inrange3705
-range3704:
-  call void @finch_panic_index(ptr @.str.2346, i64 1518, i64 %t336, i64 %t338)
+inrange3906:
+  %t324 = extractvalue { ptr, i64, i64 } %t321, 0
+  %t325 = getelementptr inbounds %S.ast.Node, ptr %t324, i64 %t320
+  %t326 = load %S.ast.Node, ptr %t325
+  store %S.ast.Node %t326, ptr %a327
+  call void @finch.copy.S_ast_Node(ptr %a328, ptr %a327)
+  %t329 = load %S.ast.Node, ptr %a328
+  store %S.ast.Node %t329, ptr %a330
+  %t331 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i32 0, i32 1
+  %t333 = load i64, ptr %t332
+  %t334 = sub i64 %t333, 1
+  store i64 0, ptr %a335
+  br label %for.cond3907
+for.cond3907:
+  %t336 = load i64, ptr %a335
+  %t337 = icmp slt i64 %t336, %t334
+  br i1 %t337, label %for.body3908, label %for.end3910
+for.body3908:
+  %t338 = load ptr, ptr %a1
+  %t339 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t340 = load i64, ptr %a335
+  %t341 = load { ptr, i64, i64 }, ptr %t339
+  %t342 = extractvalue { ptr, i64, i64 } %t341, 1
+  %t343 = icmp uge i64 %t340, %t342
+  br i1 %t343, label %range3911, label %inrange3912
+range3911:
+  call void @finch_panic_index(ptr @.str.2429, i64 1664, i64 %t340, i64 %t342)
   unreachable
-inrange3705:
-  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
-  %t341 = getelementptr inbounds %S.ast.Node, ptr %t340, i64 %t336
-  %t342 = getelementptr inbounds %S.ast.Node, ptr %t341, i32 0, i32 1
-  %t343 = load { ptr, i64, i64 }, ptr %t342
-  store { ptr, i64, i64 } %t343, ptr %a344
-  call void @finch_str_copy(ptr %a345, ptr %a344)
-  %t346 = load { ptr, i64, i64 }, ptr %a345
-  %t347 = load i64, ptr %t334
-  %t348 = add i64 %t347, 1
-  call void @finch_arr_reserve(ptr %t333, i64 %t348, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t349 = load ptr, ptr %t333
-  %t350 = getelementptr inbounds { ptr, i64, i64 }, ptr %t349, i64 %t347
-  store { ptr, i64, i64 } %t346, ptr %t350
-  store i64 %t348, ptr %t334
-  %t351 = getelementptr inbounds %S.gen.FnSig, ptr %a130, i32 0, i32 15
-  %t352 = getelementptr inbounds { ptr, i64, i64 }, ptr %t351, i32 0, i32 1
-  %t353 = load ptr, ptr %a1
-  %t354 = load %S.ast.Type, ptr %a322
-  %t355 = call i1 @finch.gen.owning(ptr %t353, %S.ast.Type %t354)
-  br label %logic.from3706
-logic.from3706:
-  br i1 %t355, label %logic.rhs3707, label %logic.end3708
-logic.rhs3707:
-  %t356 = load ptr, ptr %a1
-  %t357 = getelementptr inbounds %S.ast.Node, ptr %a84, i32 0, i32 9
-  %t358 = load i64, ptr %a300
-  %t359 = load { ptr, i64, i64 }, ptr %t357
-  %t360 = extractvalue { ptr, i64, i64 } %t359, 1
-  %t361 = icmp uge i64 %t358, %t360
-  br i1 %t361, label %range3709, label %inrange3710
-range3709:
-  call void @finch_panic_index(ptr @.str.2347, i64 1519, i64 %t358, i64 %t360)
+inrange3912:
+  %t344 = extractvalue { ptr, i64, i64 } %t341, 0
+  %t345 = getelementptr inbounds %S.ast.Node, ptr %t344, i64 %t340
+  %t346 = getelementptr inbounds %S.ast.Node, ptr %t345, i32 0, i32 5
+  %t347 = load %S.ast.Type, ptr %t346
+  %t348 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t349 = load i64, ptr %a335
+  %t350 = load { ptr, i64, i64 }, ptr %t348
+  %t351 = extractvalue { ptr, i64, i64 } %t350, 1
+  %t352 = icmp uge i64 %t349, %t351
+  br i1 %t352, label %range3913, label %inrange3914
+range3913:
+  call void @finch_panic_index(ptr @.str.2430, i64 1664, i64 %t349, i64 %t351)
   unreachable
-inrange3710:
-  %t362 = extractvalue { ptr, i64, i64 } %t359, 0
-  %t363 = getelementptr inbounds %S.ast.Node, ptr %t362, i64 %t358
-  %t364 = getelementptr inbounds %S.ast.Node, ptr %t363, i32 0, i32 1
-  %t365 = load { ptr, i64, i64 }, ptr %t364
-  %t366 = load %S.ast.Node, ptr %a295
-  %t367 = call i1 @finch.gen.mutates(ptr %t356, { ptr, i64, i64 } %t365, %S.ast.Node %t366)
-  %t368 = xor i1 %t367, true
-  br label %logic.rend3711
-logic.rend3711:
-  br label %logic.end3708
-logic.end3708:
-  %t369 = phi i1 [ false, %logic.from3706 ], [ %t368, %logic.rend3711 ]
-  %t370 = load i64, ptr %t352
-  %t371 = add i64 %t370, 1
-  call void @finch_arr_reserve(ptr %t351, i64 %t371, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
-  %t372 = load ptr, ptr %t351
-  %t373 = getelementptr inbounds i1, ptr %t372, i64 %t370
-  store i1 %t369, ptr %t373
-  store i64 %t371, ptr %t352
-  br label %for.step3698
-for.step3698:
-  %t374 = load i64, ptr %a300
-  %t375 = add i64 %t374, 1
-  store i64 %t375, ptr %a300
-  br label %for.cond3696
-for.end3699:
-  %t376 = load { ptr, i64, i64 }, ptr %a214
-  %t377 = load ptr, ptr %a1
-  %t378 = icmp eq ptr %t377, null
-  br i1 %t378, label %panic3712, label %ok3713
-panic3712:
-  call void @finch_panic(ptr @.str.2348, i64 1521, ptr @.str.2349)
+inrange3914:
+  %t353 = extractvalue { ptr, i64, i64 } %t350, 0
+  %t354 = getelementptr inbounds %S.ast.Node, ptr %t353, i64 %t349
+  %t355 = load %S.ast.Node, ptr %t354
+  %t356 = call %S.ast.Type @finch.gen.resolve(ptr %t338, %S.ast.Type %t347, %S.ast.Node %t355)
+  store %S.ast.Type %t356, ptr %a357
+  %t358 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 13
+  %t359 = getelementptr inbounds { ptr, i64, i64 }, ptr %t358, i32 0, i32 1
+  %t360 = load %S.ast.Type, ptr %a357
+  store %S.ast.Type %t360, ptr %a361
+  call void @finch.copy.S_ast_Type(ptr %a362, ptr %a361)
+  %t363 = load %S.ast.Type, ptr %a362
+  %t364 = load i64, ptr %t359
+  %t365 = add i64 %t364, 1
+  call void @finch_arr_reserve(ptr %t358, i64 %t365, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t366 = load ptr, ptr %t358
+  %t367 = getelementptr inbounds %S.ast.Type, ptr %t366, i64 %t364
+  store %S.ast.Type %t363, ptr %t367
+  store i64 %t365, ptr %t359
+  %t368 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 14
+  %t369 = getelementptr inbounds { ptr, i64, i64 }, ptr %t368, i32 0, i32 1
+  %t370 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t371 = load i64, ptr %a335
+  %t372 = load { ptr, i64, i64 }, ptr %t370
+  %t373 = extractvalue { ptr, i64, i64 } %t372, 1
+  %t374 = icmp uge i64 %t371, %t373
+  br i1 %t374, label %range3915, label %inrange3916
+range3915:
+  call void @finch_panic_index(ptr @.str.2431, i64 1666, i64 %t371, i64 %t373)
   unreachable
-ok3713:
-  %t379 = getelementptr inbounds %S.gen.Gen, ptr %t377, i32 0, i32 17
-  store { ptr, i64, i64 } %t376, ptr %a380
-  call void @finch.copy.arr_str(ptr %a381, ptr %a380)
-  %t382 = load { ptr, i64, i64 }, ptr %a381
-  store { ptr, i64, i64 } %t382, ptr %t379
-  %t383 = load { ptr, i64, i64 }, ptr %a222
-  %t384 = load ptr, ptr %a1
-  %t385 = icmp eq ptr %t384, null
-  br i1 %t385, label %panic3714, label %ok3715
-panic3714:
-  call void @finch_panic(ptr @.str.2350, i64 1522, ptr @.str.2351)
-  unreachable
-ok3715:
-  %t386 = getelementptr inbounds %S.gen.Gen, ptr %t384, i32 0, i32 18
-  store { ptr, i64, i64 } %t383, ptr %a387
-  call void @finch.copy.arr_S_ast_Type(ptr %a388, ptr %a387)
-  %t389 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t389, ptr %t386
-  %t390 = load { ptr, i64, i64 }, ptr %a230
+inrange3916:
+  %t375 = extractvalue { ptr, i64, i64 } %t372, 0
+  %t376 = getelementptr inbounds %S.ast.Node, ptr %t375, i64 %t371
+  %t377 = getelementptr inbounds %S.ast.Node, ptr %t376, i32 0, i32 1
+  %t378 = load { ptr, i64, i64 }, ptr %t377
+  store { ptr, i64, i64 } %t378, ptr %a379
+  call void @finch_str_copy(ptr %a380, ptr %a379)
+  %t381 = load { ptr, i64, i64 }, ptr %a380
+  %t382 = load i64, ptr %t369
+  %t383 = add i64 %t382, 1
+  call void @finch_arr_reserve(ptr %t368, i64 %t383, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t384 = load ptr, ptr %t368
+  %t385 = getelementptr inbounds { ptr, i64, i64 }, ptr %t384, i64 %t382
+  store { ptr, i64, i64 } %t381, ptr %t385
+  store i64 %t383, ptr %t369
+  %t386 = getelementptr inbounds %S.gen.FnSig, ptr %a133, i32 0, i32 15
+  %t387 = getelementptr inbounds { ptr, i64, i64 }, ptr %t386, i32 0, i32 1
+  %t388 = load ptr, ptr %a1
+  %t389 = load %S.ast.Type, ptr %a357
+  %t390 = call i1 @finch.gen.owning(ptr %t388, %S.ast.Type %t389)
+  br label %logic.from3917
+logic.from3917:
+  br i1 %t390, label %logic.rhs3918, label %logic.end3919
+logic.rhs3918:
   %t391 = load ptr, ptr %a1
-  %t392 = icmp eq ptr %t391, null
-  br i1 %t392, label %panic3716, label %ok3717
-panic3716:
-  call void @finch_panic(ptr @.str.2352, i64 1523, ptr @.str.2353)
+  %t392 = getelementptr inbounds %S.ast.Node, ptr %a87, i32 0, i32 9
+  %t393 = load i64, ptr %a335
+  %t394 = load { ptr, i64, i64 }, ptr %t392
+  %t395 = extractvalue { ptr, i64, i64 } %t394, 1
+  %t396 = icmp uge i64 %t393, %t395
+  br i1 %t396, label %range3920, label %inrange3921
+range3920:
+  call void @finch_panic_index(ptr @.str.2432, i64 1667, i64 %t393, i64 %t395)
   unreachable
-ok3717:
-  %t393 = getelementptr inbounds %S.gen.Gen, ptr %t391, i32 0, i32 13
-  store { ptr, i64, i64 } %t390, ptr %a394
-  call void @finch_str_copy(ptr %a395, ptr %a394)
-  %t396 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t396, ptr %t393
-  %t397 = load { ptr, i64, i64 }, ptr %a238
-  %t398 = load ptr, ptr %a1
-  %t399 = icmp eq ptr %t398, null
-  br i1 %t399, label %panic3718, label %ok3719
-panic3718:
-  call void @finch_panic(ptr @.str.2354, i64 1524, ptr @.str.2355)
+inrange3921:
+  %t397 = extractvalue { ptr, i64, i64 } %t394, 0
+  %t398 = getelementptr inbounds %S.ast.Node, ptr %t397, i64 %t393
+  %t399 = getelementptr inbounds %S.ast.Node, ptr %t398, i32 0, i32 1
+  %t400 = load { ptr, i64, i64 }, ptr %t399
+  %t401 = load %S.ast.Node, ptr %a330
+  %t402 = call i1 @finch.gen.mutates(ptr %t391, { ptr, i64, i64 } %t400, %S.ast.Node %t401)
+  %t403 = xor i1 %t402, true
+  br label %logic.rend3922
+logic.rend3922:
+  br label %logic.end3919
+logic.end3919:
+  %t404 = phi i1 [ false, %logic.from3917 ], [ %t403, %logic.rend3922 ]
+  %t405 = load i64, ptr %t387
+  %t406 = add i64 %t405, 1
+  call void @finch_arr_reserve(ptr %t386, i64 %t406, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
+  %t407 = load ptr, ptr %t386
+  %t408 = getelementptr inbounds i1, ptr %t407, i64 %t405
+  store i1 %t404, ptr %t408
+  store i64 %t406, ptr %t387
+  call void @finch.drop.S_ast_Type(ptr %a357)
+  br label %for.step3909
+for.step3909:
+  %t409 = load i64, ptr %a335
+  %t410 = add i64 %t409, 1
+  store i64 %t410, ptr %a335
+  br label %for.cond3907
+for.end3910:
+  %t411 = load { ptr, i64, i64 }, ptr %a238
+  %t412 = load ptr, ptr %a1
+  %t413 = icmp eq ptr %t412, null
+  br i1 %t413, label %panic3923, label %ok3924
+panic3923:
+  call void @finch_panic(ptr @.str.2433, i64 1669, ptr @.str.2434)
   unreachable
-ok3719:
-  %t400 = getelementptr inbounds %S.gen.Gen, ptr %t398, i32 0, i32 19
-  store { ptr, i64, i64 } %t397, ptr %a401
-  call void @finch_str_copy(ptr %a402, ptr %a401)
-  %t403 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t403, ptr %t400
-  %t404 = load ptr, ptr %a1
-  %t405 = icmp eq ptr %t404, null
-  br i1 %t405, label %panic3720, label %ok3721
-panic3720:
-  call void @finch_panic(ptr @.str.2356, i64 1525, ptr @.str.2357)
+ok3924:
+  %t414 = getelementptr inbounds %S.gen.Gen, ptr %t412, i32 0, i32 18
+  store { ptr, i64, i64 } %t411, ptr %a415
+  call void @finch.copy.arr_str(ptr %a416, ptr %a415)
+  %t417 = load { ptr, i64, i64 }, ptr %a416
+  %t418 = load { ptr, i64, i64 }, ptr %t414
+  store { ptr, i64, i64 } %t417, ptr %t414
+  store { ptr, i64, i64 } %t418, ptr %a419
+  call void @finch.drop.arr_str(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a246
+  %t421 = load ptr, ptr %a1
+  %t422 = icmp eq ptr %t421, null
+  br i1 %t422, label %panic3925, label %ok3926
+panic3925:
+  call void @finch_panic(ptr @.str.2435, i64 1670, ptr @.str.2436)
   unreachable
-ok3721:
-  %t406 = getelementptr inbounds %S.gen.Gen, ptr %t404, i32 0, i32 14
-  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i32 0, i32 1
-  %t408 = load %S.gen.FnSig, ptr %a130
-  store %S.gen.FnSig %t408, ptr %a409
-  call void @finch.copy.S_gen_FnSig(ptr %a410, ptr %a409)
-  %t411 = load %S.gen.FnSig, ptr %a410
-  %t412 = load i64, ptr %t407
-  %t413 = add i64 %t412, 1
-  call void @finch_arr_reserve(ptr %t406, i64 %t413, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
-  %t414 = load ptr, ptr %t406
-  %t415 = getelementptr inbounds %S.gen.FnSig, ptr %t414, i64 %t412
-  store %S.gen.FnSig %t411, ptr %t415
-  store i64 %t413, ptr %t407
-  %t416 = load ptr, ptr %a1
-  %t417 = icmp eq ptr %t416, null
-  br i1 %t417, label %panic3722, label %ok3723
-panic3722:
-  call void @finch_panic(ptr @.str.2358, i64 1526, ptr @.str.2359)
+ok3926:
+  %t423 = getelementptr inbounds %S.gen.Gen, ptr %t421, i32 0, i32 19
+  store { ptr, i64, i64 } %t420, ptr %a424
+  call void @finch.copy.arr_S_ast_Type(ptr %a425, ptr %a424)
+  %t426 = load { ptr, i64, i64 }, ptr %a425
+  %t427 = load { ptr, i64, i64 }, ptr %t423
+  store { ptr, i64, i64 } %t426, ptr %t423
+  store { ptr, i64, i64 } %t427, ptr %a428
+  call void @finch.drop.arr_S_ast_Type(ptr %a428)
+  %t429 = load { ptr, i64, i64 }, ptr %a254
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic3927, label %ok3928
+panic3927:
+  call void @finch_panic(ptr @.str.2437, i64 1671, ptr @.str.2438)
   unreachable
-ok3723:
-  %t418 = getelementptr inbounds %S.gen.Gen, ptr %t416, i32 0, i32 14
-  %t419 = getelementptr inbounds { ptr, i64, i64 }, ptr %t418, i32 0, i32 1
-  %t420 = load i64, ptr %t419
-  %t421 = sub i64 %t420, 1
-  ret i64 %t421
+ok3928:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 14
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch_str_copy(ptr %a434, ptr %a433)
+  %t435 = load { ptr, i64, i64 }, ptr %a434
+  %t436 = load { ptr, i64, i64 }, ptr %t432
+  store { ptr, i64, i64 } %t435, ptr %t432
+  store { ptr, i64, i64 } %t436, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a262
+  %t439 = load ptr, ptr %a1
+  %t440 = icmp eq ptr %t439, null
+  br i1 %t440, label %panic3929, label %ok3930
+panic3929:
+  call void @finch_panic(ptr @.str.2439, i64 1672, ptr @.str.2440)
+  unreachable
+ok3930:
+  %t441 = getelementptr inbounds %S.gen.Gen, ptr %t439, i32 0, i32 20
+  store { ptr, i64, i64 } %t438, ptr %a442
+  call void @finch_str_copy(ptr %a443, ptr %a442)
+  %t444 = load { ptr, i64, i64 }, ptr %a443
+  %t445 = load { ptr, i64, i64 }, ptr %t441
+  store { ptr, i64, i64 } %t444, ptr %t441
+  store { ptr, i64, i64 } %t445, ptr %a446
+  call void @finch_str_drop(ptr %a446)
+  %t447 = load ptr, ptr %a1
+  %t448 = icmp eq ptr %t447, null
+  br i1 %t448, label %panic3931, label %ok3932
+panic3931:
+  call void @finch_panic(ptr @.str.2441, i64 1673, ptr @.str.2442)
+  unreachable
+ok3932:
+  %t449 = getelementptr inbounds %S.gen.Gen, ptr %t447, i32 0, i32 15
+  %t450 = getelementptr inbounds { ptr, i64, i64 }, ptr %t449, i32 0, i32 1
+  %t451 = load %S.gen.FnSig, ptr %a133
+  store %S.gen.FnSig %t451, ptr %a452
+  call void @finch.copy.S_gen_FnSig(ptr %a453, ptr %a452)
+  %t454 = load %S.gen.FnSig, ptr %a453
+  %t455 = load i64, ptr %t450
+  %t456 = add i64 %t455, 1
+  call void @finch_arr_reserve(ptr %t449, i64 %t456, i64 ptrtoint (ptr getelementptr (%S.gen.FnSig, ptr null, i32 1) to i64))
+  %t457 = load ptr, ptr %t449
+  %t458 = getelementptr inbounds %S.gen.FnSig, ptr %t457, i64 %t455
+  store %S.gen.FnSig %t454, ptr %t458
+  store i64 %t456, ptr %t450
+  %t459 = load ptr, ptr %a1
+  %t460 = icmp eq ptr %t459, null
+  br i1 %t460, label %panic3933, label %ok3934
+panic3933:
+  call void @finch_panic(ptr @.str.2443, i64 1674, ptr @.str.2444)
+  unreachable
+ok3934:
+  %t461 = getelementptr inbounds %S.gen.Gen, ptr %t459, i32 0, i32 15
+  %t462 = getelementptr inbounds { ptr, i64, i64 }, ptr %t461, i32 0, i32 1
+  %t463 = load i64, ptr %t462
+  %t464 = sub i64 %t463, 1
+  call void @finch.drop.S_ast_Node(ptr %a330)
+  call void @finch_str_drop(ptr %a262)
+  call void @finch_str_drop(ptr %a254)
+  call void @finch.drop.arr_S_ast_Type(ptr %a246)
+  call void @finch.drop.arr_str(ptr %a238)
+  call void @finch.drop.S_gen_FnSig(ptr %a133)
+  call void @finch.drop.S_ast_Node(ptr %a87)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret i64 %t464
 }
 
 define internal void @finch.gen.bindType(ptr %p0, %S.ast.Type %p1, %S.ast.Type %p2, { ptr, i64, i64 } %p3, ptr %p4) {
@@ -35392,28 +41241,29 @@ entry:
   %a58 = alloca i64, align 16
   %a80 = alloca %S.ast.Type, align 16
   %a81 = alloca %S.ast.Type, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca %S.gen.StructDef, align 16
-  %a229 = alloca %S.gen.StructDef, align 16
+  %a84 = alloca %S.ast.Type, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca %S.gen.StructDef, align 16
   %a231 = alloca %S.gen.StructDef, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca i64, align 16
+  %a233 = alloca %S.gen.StructDef, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca i64, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -35422,39 +41272,39 @@ entry:
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.2360, i64 5, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.2445, i64 5, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br label %logic.from3724
-logic.from3724:
-  br i1 %t11, label %logic.rhs3725, label %logic.end3726
-logic.rhs3725:
+  br label %logic.from3935
+logic.from3935:
+  br i1 %t11, label %logic.rhs3936, label %logic.end3937
+logic.rhs3936:
   %t12 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp eq i64 %t14, 0
-  br label %logic.rend3727
-logic.rend3727:
-  br label %logic.end3726
-logic.end3726:
-  %t16 = phi i1 [ false, %logic.from3724 ], [ %t15, %logic.rend3727 ]
-  br label %logic.from3728
-logic.from3728:
-  br i1 %t16, label %logic.rhs3729, label %logic.end3730
-logic.rhs3729:
+  br label %logic.rend3938
+logic.rend3938:
+  br label %logic.end3937
+logic.end3937:
+  %t16 = phi i1 [ false, %logic.from3935 ], [ %t15, %logic.rend3938 ]
+  br label %logic.from3939
+logic.from3939:
+  br i1 %t16, label %logic.rhs3940, label %logic.end3941
+logic.rhs3940:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp eq i64 %t19, 0
-  br label %logic.rend3731
-logic.rend3731:
-  br label %logic.end3730
-logic.end3730:
-  %t21 = phi i1 [ false, %logic.from3728 ], [ %t20, %logic.rend3731 ]
-  br label %logic.from3732
-logic.from3732:
-  br i1 %t21, label %logic.rhs3733, label %logic.end3734
-logic.rhs3733:
+  br label %logic.rend3942
+logic.rend3942:
+  br label %logic.end3941
+logic.end3941:
+  %t21 = phi i1 [ false, %logic.from3939 ], [ %t20, %logic.rend3942 ]
+  br label %logic.from3943
+logic.from3943:
+  br i1 %t21, label %logic.rhs3944, label %logic.end3945
+logic.rhs3944:
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
   %t23 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t24 = load { ptr, i64, i64 }, ptr %t23
@@ -35462,36 +41312,36 @@ logic.rhs3733:
   %t26 = load i64, ptr %t22
   %t27 = load ptr, ptr %a4
   store i64 0, ptr %a28
-  br label %find.cond3735
-find.cond3735:
+  br label %find.cond3946
+find.cond3946:
   %t29 = load i64, ptr %a28
   %t30 = icmp slt i64 %t29, %t26
-  br i1 %t30, label %find.body3736, label %find.end3739
-find.body3736:
+  br i1 %t30, label %find.body3947, label %find.end3950
+find.body3947:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i64 %t29
   %t32 = load { ptr, i64, i64 }, ptr %t31
   store { ptr, i64, i64 } %t32, ptr %a33
   store { ptr, i64, i64 } %t24, ptr %a34
   %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
   %t36 = icmp ne i32 %t35, 0
-  br i1 %t36, label %find.hit3737, label %find.next3738
-find.hit3737:
+  br i1 %t36, label %find.hit3948, label %find.next3949
+find.hit3948:
   store i64 %t29, ptr %a25
-  br label %find.end3739
-find.next3738:
+  br label %find.end3950
+find.next3949:
   %t37 = add i64 %t29, 1
   store i64 %t37, ptr %a28
-  br label %find.cond3735
-find.end3739:
+  br label %find.cond3946
+find.end3950:
   %t38 = load i64, ptr %a25
   %t39 = icmp sge i64 %t38, 0
-  br label %logic.rend3740
-logic.rend3740:
-  br label %logic.end3734
-logic.end3734:
-  %t40 = phi i1 [ false, %logic.from3732 ], [ %t39, %logic.rend3740 ]
-  br i1 %t40, label %then3741, label %endif3743
-then3741:
+  br label %logic.rend3951
+logic.rend3951:
+  br label %logic.end3945
+logic.end3945:
+  %t40 = phi i1 [ false, %logic.from3943 ], [ %t39, %logic.rend3951 ]
+  br i1 %t40, label %then3952, label %endif3954
+then3952:
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
   %t42 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
   %t43 = load { ptr, i64, i64 }, ptr %t42
@@ -35499,434 +41349,472 @@ then3741:
   %t45 = load i64, ptr %t41
   %t46 = load ptr, ptr %a4
   store i64 0, ptr %a47
-  br label %find.cond3744
-find.cond3744:
+  br label %find.cond3955
+find.cond3955:
   %t48 = load i64, ptr %a47
   %t49 = icmp slt i64 %t48, %t45
-  br i1 %t49, label %find.body3745, label %find.end3748
-find.body3745:
+  br i1 %t49, label %find.body3956, label %find.end3959
+find.body3956:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t48
   %t51 = load { ptr, i64, i64 }, ptr %t50
   store { ptr, i64, i64 } %t51, ptr %a52
   store { ptr, i64, i64 } %t43, ptr %a53
   %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
   %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %find.hit3746, label %find.next3747
-find.hit3746:
+  br i1 %t55, label %find.hit3957, label %find.next3958
+find.hit3957:
   store i64 %t48, ptr %a44
-  br label %find.end3748
-find.next3747:
+  br label %find.end3959
+find.next3958:
   %t56 = add i64 %t48, 1
   store i64 %t56, ptr %a47
-  br label %find.cond3744
-find.end3748:
+  br label %find.cond3955
+find.end3959:
   %t57 = load i64, ptr %a44
   store i64 %t57, ptr %a58
   %t59 = load ptr, ptr %a5
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic3749, label %ok3750
-panic3749:
-  call void @finch_panic(ptr @.str.2361, i64 1533, ptr @.str.2362)
+  br i1 %t60, label %panic3960, label %ok3961
+panic3960:
+  call void @finch_panic(ptr @.str.2446, i64 1681, ptr @.str.2447)
   unreachable
-ok3750:
+ok3961:
   %t61 = getelementptr inbounds %S.gen.Binds, ptr %t59, i32 0, i32 1
   %t62 = load i64, ptr %a58
   %t63 = load { ptr, i64, i64 }, ptr %t61
   %t64 = extractvalue { ptr, i64, i64 } %t63, 1
   %t65 = icmp uge i64 %t62, %t64
-  br i1 %t65, label %range3751, label %inrange3752
-range3751:
-  call void @finch_panic_index(ptr @.str.2363, i64 1533, i64 %t62, i64 %t64)
+  br i1 %t65, label %range3962, label %inrange3963
+range3962:
+  call void @finch_panic_index(ptr @.str.2448, i64 1681, i64 %t62, i64 %t64)
   unreachable
-inrange3752:
+inrange3963:
   %t66 = extractvalue { ptr, i64, i64 } %t63, 0
   %t67 = getelementptr inbounds i1, ptr %t66, i64 %t62
   %t68 = load i1, ptr %t67
   %t69 = xor i1 %t68, true
-  br i1 %t69, label %then3753, label %endif3755
-then3753:
+  br i1 %t69, label %then3964, label %endif3966
+then3964:
   %t70 = load %S.ast.Type, ptr %a3
   %t71 = load ptr, ptr %a5
   %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic3756, label %ok3757
-panic3756:
-  call void @finch_panic(ptr @.str.2364, i64 1534, ptr @.str.2365)
+  br i1 %t72, label %panic3967, label %ok3968
+panic3967:
+  call void @finch_panic(ptr @.str.2449, i64 1682, ptr @.str.2450)
   unreachable
-ok3757:
+ok3968:
   %t73 = getelementptr inbounds %S.gen.Binds, ptr %t71, i32 0, i32 0
   %t74 = load i64, ptr %a58
   %t75 = load { ptr, i64, i64 }, ptr %t73
   %t76 = extractvalue { ptr, i64, i64 } %t75, 1
   %t77 = icmp uge i64 %t74, %t76
-  br i1 %t77, label %range3758, label %inrange3759
-range3758:
-  call void @finch_panic_index(ptr @.str.2366, i64 1534, i64 %t74, i64 %t76)
+  br i1 %t77, label %range3969, label %inrange3970
+range3969:
+  call void @finch_panic_index(ptr @.str.2451, i64 1682, i64 %t74, i64 %t76)
   unreachable
-inrange3759:
+inrange3970:
   %t78 = extractvalue { ptr, i64, i64 } %t75, 0
   %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i64 %t74
   store %S.ast.Type %t70, ptr %a80
   call void @finch.copy.S_ast_Type(ptr %a81, ptr %a80)
   %t82 = load %S.ast.Type, ptr %a81
+  %t83 = load %S.ast.Type, ptr %t79
   store %S.ast.Type %t82, ptr %t79
-  %t83 = load ptr, ptr %a5
-  %t84 = icmp eq ptr %t83, null
-  br i1 %t84, label %panic3760, label %ok3761
-panic3760:
-  call void @finch_panic(ptr @.str.2367, i64 1535, ptr @.str.2368)
+  store %S.ast.Type %t83, ptr %a84
+  call void @finch.drop.S_ast_Type(ptr %a84)
+  %t85 = load ptr, ptr %a5
+  %t86 = icmp eq ptr %t85, null
+  br i1 %t86, label %panic3971, label %ok3972
+panic3971:
+  call void @finch_panic(ptr @.str.2452, i64 1683, ptr @.str.2453)
   unreachable
-ok3761:
-  %t85 = getelementptr inbounds %S.gen.Binds, ptr %t83, i32 0, i32 1
-  %t86 = load i64, ptr %a58
-  %t87 = load { ptr, i64, i64 }, ptr %t85
-  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
-  %t89 = icmp uge i64 %t86, %t88
-  br i1 %t89, label %range3762, label %inrange3763
-range3762:
-  call void @finch_panic_index(ptr @.str.2369, i64 1535, i64 %t86, i64 %t88)
+ok3972:
+  %t87 = getelementptr inbounds %S.gen.Binds, ptr %t85, i32 0, i32 1
+  %t88 = load i64, ptr %a58
+  %t89 = load { ptr, i64, i64 }, ptr %t87
+  %t90 = extractvalue { ptr, i64, i64 } %t89, 1
+  %t91 = icmp uge i64 %t88, %t90
+  br i1 %t91, label %range3973, label %inrange3974
+range3973:
+  call void @finch_panic_index(ptr @.str.2454, i64 1683, i64 %t88, i64 %t90)
   unreachable
-inrange3763:
-  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
-  %t91 = getelementptr inbounds i1, ptr %t90, i64 %t86
-  store i1 true, ptr %t91
-  br label %endif3755
-endif3755:
+inrange3974:
+  %t92 = extractvalue { ptr, i64, i64 } %t89, 0
+  %t93 = getelementptr inbounds i1, ptr %t92, i64 %t88
+  store i1 true, ptr %t93
+  br label %endif3966
+endif3966:
   ret void
-endif3743:
-  %t92 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store { ptr, i64, i64 } %t93, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.2370, i64 5, i64 0 }, ptr %a95
-  %t96 = call i32 @finch_str_eq(ptr %a94, ptr %a95)
-  %t97 = icmp ne i32 %t96, 0
-  br label %logic.from3764
-logic.from3764:
-  br i1 %t97, label %logic.end3766, label %logic.rhs3765
-logic.rhs3765:
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t99 = load { ptr, i64, i64 }, ptr %t98
-  store { ptr, i64, i64 } %t99, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.2371, i64 3, i64 0 }, ptr %a101
-  %t102 = call i32 @finch_str_eq(ptr %a100, ptr %a101)
-  %t103 = icmp ne i32 %t102, 0
-  br label %logic.rend3767
-logic.rend3767:
-  br label %logic.end3766
-logic.end3766:
-  %t104 = phi i1 [ true, %logic.from3764 ], [ %t103, %logic.rend3767 ]
-  br label %logic.from3768
-logic.from3768:
-  br i1 %t104, label %logic.end3770, label %logic.rhs3769
-logic.rhs3769:
-  %t105 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.2372, i64 5, i64 0 }, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend3771
-logic.rend3771:
-  br label %logic.end3770
-logic.end3770:
-  %t111 = phi i1 [ true, %logic.from3768 ], [ %t110, %logic.rend3771 ]
-  br label %logic.from3772
-logic.from3772:
-  br i1 %t111, label %logic.rhs3773, label %logic.end3774
-logic.rhs3773:
-  %t112 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
-  %t114 = load i64, ptr %t113
-  %t115 = icmp sgt i64 %t114, 0
-  br label %logic.rend3775
-logic.rend3775:
-  br label %logic.end3774
-logic.end3774:
-  %t116 = phi i1 [ false, %logic.from3772 ], [ %t115, %logic.rend3775 ]
-  br label %logic.from3776
-logic.from3776:
-  br i1 %t116, label %logic.rhs3777, label %logic.end3778
-logic.rhs3777:
-  %t117 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t118 = load { ptr, i64, i64 }, ptr %t117
-  %t119 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+endif3954:
+  %t94 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.2455, i64 5, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br label %logic.from3975
+logic.from3975:
+  br i1 %t99, label %logic.end3977, label %logic.rhs3976
+logic.rhs3976:
+  %t100 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.2456, i64 3, i64 0 }, ptr %a103
+  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
+  %t105 = icmp ne i32 %t104, 0
+  br label %logic.rend3978
+logic.rend3978:
+  br label %logic.end3977
+logic.end3977:
+  %t106 = phi i1 [ true, %logic.from3975 ], [ %t105, %logic.rend3978 ]
+  br label %logic.from3979
+logic.from3979:
+  br i1 %t106, label %logic.end3981, label %logic.rhs3980
+logic.rhs3980:
+  %t107 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t108 = load { ptr, i64, i64 }, ptr %t107
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2457, i64 5, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br label %logic.rend3982
+logic.rend3982:
+  br label %logic.end3981
+logic.end3981:
+  %t113 = phi i1 [ true, %logic.from3979 ], [ %t112, %logic.rend3982 ]
+  br label %logic.from3983
+logic.from3983:
+  br i1 %t113, label %logic.rhs3984, label %logic.end3985
+logic.rhs3984:
+  %t114 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
+  %t116 = load i64, ptr %t115
+  %t117 = icmp sgt i64 %t116, 0
+  br label %logic.rend3986
+logic.rend3986:
+  br label %logic.end3985
+logic.end3985:
+  %t118 = phi i1 [ false, %logic.from3983 ], [ %t117, %logic.rend3986 ]
+  br label %logic.from3987
+logic.from3987:
+  br i1 %t118, label %logic.rhs3988, label %logic.end3989
+logic.rhs3988:
+  %t119 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t120 = load { ptr, i64, i64 }, ptr %t119
-  store { ptr, i64, i64 } %t118, ptr %a121
-  store { ptr, i64, i64 } %t120, ptr %a122
-  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
-  %t124 = icmp ne i32 %t123, 0
-  br label %logic.rend3779
-logic.rend3779:
-  br label %logic.end3778
-logic.end3778:
-  %t125 = phi i1 [ false, %logic.from3776 ], [ %t124, %logic.rend3779 ]
-  br label %logic.from3780
-logic.from3780:
-  br i1 %t125, label %logic.rhs3781, label %logic.end3782
-logic.rhs3781:
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t126, i32 0, i32 1
-  %t128 = load i64, ptr %t127
-  %t129 = icmp sgt i64 %t128, 0
-  br label %logic.rend3783
-logic.rend3783:
-  br label %logic.end3782
-logic.end3782:
-  %t130 = phi i1 [ false, %logic.from3780 ], [ %t129, %logic.rend3783 ]
-  br i1 %t130, label %then3784, label %endif3786
-then3784:
-  %t131 = load ptr, ptr %a1
-  %t132 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t133 = load { ptr, i64, i64 }, ptr %t132
-  %t134 = extractvalue { ptr, i64, i64 } %t133, 1
-  %t135 = icmp uge i64 0, %t134
-  br i1 %t135, label %range3787, label %inrange3788
-range3787:
-  call void @finch_panic_index(ptr @.str.2373, i64 1540, i64 0, i64 %t134)
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t120, ptr %a123
+  store { ptr, i64, i64 } %t122, ptr %a124
+  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
+  %t126 = icmp ne i32 %t125, 0
+  br label %logic.rend3990
+logic.rend3990:
+  br label %logic.end3989
+logic.end3989:
+  %t127 = phi i1 [ false, %logic.from3987 ], [ %t126, %logic.rend3990 ]
+  br label %logic.from3991
+logic.from3991:
+  br i1 %t127, label %logic.rhs3992, label %logic.end3993
+logic.rhs3992:
+  %t128 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t128, i32 0, i32 1
+  %t130 = load i64, ptr %t129
+  %t131 = icmp sgt i64 %t130, 0
+  br label %logic.rend3994
+logic.rend3994:
+  br label %logic.end3993
+logic.end3993:
+  %t132 = phi i1 [ false, %logic.from3991 ], [ %t131, %logic.rend3994 ]
+  br i1 %t132, label %then3995, label %endif3997
+then3995:
+  %t133 = load ptr, ptr %a1
+  %t134 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  %t136 = extractvalue { ptr, i64, i64 } %t135, 1
+  %t137 = icmp uge i64 0, %t136
+  br i1 %t137, label %range3998, label %inrange3999
+range3998:
+  call void @finch_panic_index(ptr @.str.2458, i64 1688, i64 0, i64 %t136)
   unreachable
-inrange3788:
-  %t136 = extractvalue { ptr, i64, i64 } %t133, 0
-  %t137 = getelementptr inbounds %S.ast.Type, ptr %t136, i64 0
-  %t138 = load %S.ast.Type, ptr %t137
-  %t139 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t140 = load { ptr, i64, i64 }, ptr %t139
-  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
-  %t142 = icmp uge i64 0, %t141
-  br i1 %t142, label %range3789, label %inrange3790
-range3789:
-  call void @finch_panic_index(ptr @.str.2374, i64 1540, i64 0, i64 %t141)
+inrange3999:
+  %t138 = extractvalue { ptr, i64, i64 } %t135, 0
+  %t139 = getelementptr inbounds %S.ast.Type, ptr %t138, i64 0
+  %t140 = load %S.ast.Type, ptr %t139
+  %t141 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t142 = load { ptr, i64, i64 }, ptr %t141
+  %t143 = extractvalue { ptr, i64, i64 } %t142, 1
+  %t144 = icmp uge i64 0, %t143
+  br i1 %t144, label %range4000, label %inrange4001
+range4000:
+  call void @finch_panic_index(ptr @.str.2459, i64 1688, i64 0, i64 %t143)
   unreachable
-inrange3790:
-  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
-  %t144 = getelementptr inbounds %S.ast.Type, ptr %t143, i64 0
-  %t145 = load %S.ast.Type, ptr %t144
-  %t146 = load { ptr, i64, i64 }, ptr %a4
-  %t147 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t131, %S.ast.Type %t138, %S.ast.Type %t145, { ptr, i64, i64 } %t146, ptr %t147)
+inrange4001:
+  %t145 = extractvalue { ptr, i64, i64 } %t142, 0
+  %t146 = getelementptr inbounds %S.ast.Type, ptr %t145, i64 0
+  %t147 = load %S.ast.Type, ptr %t146
+  %t148 = load { ptr, i64, i64 }, ptr %a4
+  %t149 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t133, %S.ast.Type %t140, %S.ast.Type %t147, { ptr, i64, i64 } %t148, ptr %t149)
   ret void
-endif3786:
-  %t148 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t149 = load { ptr, i64, i64 }, ptr %t148
-  store { ptr, i64, i64 } %t149, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.2375, i64 3, i64 0 }, ptr %a151
-  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
-  %t153 = icmp ne i32 %t152, 0
-  br label %logic.from3791
-logic.from3791:
-  br i1 %t153, label %logic.rhs3792, label %logic.end3793
-logic.rhs3792:
-  %t154 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t155 = load { ptr, i64, i64 }, ptr %t154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.2376, i64 3, i64 0 }, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br label %logic.rend3794
-logic.rend3794:
-  br label %logic.end3793
-logic.end3793:
-  %t160 = phi i1 [ false, %logic.from3791 ], [ %t159, %logic.rend3794 ]
-  br i1 %t160, label %then3795, label %endif3797
-then3795:
-  %t161 = load ptr, ptr %a1
-  %t162 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t163 = load { ptr, i64, i64 }, ptr %t162
-  %t164 = extractvalue { ptr, i64, i64 } %t163, 1
-  %t165 = icmp uge i64 0, %t164
-  br i1 %t165, label %range3798, label %inrange3799
-range3798:
-  call void @finch_panic_index(ptr @.str.2377, i64 1544, i64 0, i64 %t164)
+endif3997:
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t151 = load { ptr, i64, i64 }, ptr %t150
+  store { ptr, i64, i64 } %t151, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.2460, i64 3, i64 0 }, ptr %a153
+  %t154 = call i32 @finch_str_eq(ptr %a152, ptr %a153)
+  %t155 = icmp ne i32 %t154, 0
+  br label %logic.from4002
+logic.from4002:
+  br i1 %t155, label %logic.rhs4003, label %logic.end4004
+logic.rhs4003:
+  %t156 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.2461, i64 3, i64 0 }, ptr %a159
+  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
+  %t161 = icmp ne i32 %t160, 0
+  br label %logic.rend4005
+logic.rend4005:
+  br label %logic.end4004
+logic.end4004:
+  %t162 = phi i1 [ false, %logic.from4002 ], [ %t161, %logic.rend4005 ]
+  br i1 %t162, label %then4006, label %endif4008
+then4006:
+  %t163 = load ptr, ptr %a1
+  %t164 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  %t166 = extractvalue { ptr, i64, i64 } %t165, 1
+  %t167 = icmp uge i64 0, %t166
+  br i1 %t167, label %range4009, label %inrange4010
+range4009:
+  call void @finch_panic_index(ptr @.str.2462, i64 1692, i64 0, i64 %t166)
   unreachable
-inrange3799:
-  %t166 = extractvalue { ptr, i64, i64 } %t163, 0
-  %t167 = getelementptr inbounds %S.ast.Type, ptr %t166, i64 0
-  %t168 = load %S.ast.Type, ptr %t167
-  %t169 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t170 = load { ptr, i64, i64 }, ptr %t169
-  %t171 = extractvalue { ptr, i64, i64 } %t170, 1
-  %t172 = icmp uge i64 0, %t171
-  br i1 %t172, label %range3800, label %inrange3801
-range3800:
-  call void @finch_panic_index(ptr @.str.2378, i64 1544, i64 0, i64 %t171)
+inrange4010:
+  %t168 = extractvalue { ptr, i64, i64 } %t165, 0
+  %t169 = getelementptr inbounds %S.ast.Type, ptr %t168, i64 0
+  %t170 = load %S.ast.Type, ptr %t169
+  %t171 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t172 = load { ptr, i64, i64 }, ptr %t171
+  %t173 = extractvalue { ptr, i64, i64 } %t172, 1
+  %t174 = icmp uge i64 0, %t173
+  br i1 %t174, label %range4011, label %inrange4012
+range4011:
+  call void @finch_panic_index(ptr @.str.2463, i64 1692, i64 0, i64 %t173)
   unreachable
-inrange3801:
-  %t173 = extractvalue { ptr, i64, i64 } %t170, 0
-  %t174 = getelementptr inbounds %S.ast.Type, ptr %t173, i64 0
-  %t175 = load %S.ast.Type, ptr %t174
-  %t176 = load { ptr, i64, i64 }, ptr %a4
-  %t177 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t161, %S.ast.Type %t168, %S.ast.Type %t175, { ptr, i64, i64 } %t176, ptr %t177)
-  %t178 = load ptr, ptr %a1
-  %t179 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t180 = load { ptr, i64, i64 }, ptr %t179
-  %t181 = extractvalue { ptr, i64, i64 } %t180, 1
-  %t182 = icmp uge i64 1, %t181
-  br i1 %t182, label %range3802, label %inrange3803
-range3802:
-  call void @finch_panic_index(ptr @.str.2379, i64 1545, i64 1, i64 %t181)
+inrange4012:
+  %t175 = extractvalue { ptr, i64, i64 } %t172, 0
+  %t176 = getelementptr inbounds %S.ast.Type, ptr %t175, i64 0
+  %t177 = load %S.ast.Type, ptr %t176
+  %t178 = load { ptr, i64, i64 }, ptr %a4
+  %t179 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t163, %S.ast.Type %t170, %S.ast.Type %t177, { ptr, i64, i64 } %t178, ptr %t179)
+  %t180 = load ptr, ptr %a1
+  %t181 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t182 = load { ptr, i64, i64 }, ptr %t181
+  %t183 = extractvalue { ptr, i64, i64 } %t182, 1
+  %t184 = icmp uge i64 1, %t183
+  br i1 %t184, label %range4013, label %inrange4014
+range4013:
+  call void @finch_panic_index(ptr @.str.2464, i64 1693, i64 1, i64 %t183)
   unreachable
-inrange3803:
-  %t183 = extractvalue { ptr, i64, i64 } %t180, 0
-  %t184 = getelementptr inbounds %S.ast.Type, ptr %t183, i64 1
-  %t185 = load %S.ast.Type, ptr %t184
-  %t186 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t187 = load { ptr, i64, i64 }, ptr %t186
-  %t188 = extractvalue { ptr, i64, i64 } %t187, 1
-  %t189 = icmp uge i64 1, %t188
-  br i1 %t189, label %range3804, label %inrange3805
-range3804:
-  call void @finch_panic_index(ptr @.str.2380, i64 1545, i64 1, i64 %t188)
+inrange4014:
+  %t185 = extractvalue { ptr, i64, i64 } %t182, 0
+  %t186 = getelementptr inbounds %S.ast.Type, ptr %t185, i64 1
+  %t187 = load %S.ast.Type, ptr %t186
+  %t188 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  %t190 = extractvalue { ptr, i64, i64 } %t189, 1
+  %t191 = icmp uge i64 1, %t190
+  br i1 %t191, label %range4015, label %inrange4016
+range4015:
+  call void @finch_panic_index(ptr @.str.2465, i64 1693, i64 1, i64 %t190)
   unreachable
-inrange3805:
-  %t190 = extractvalue { ptr, i64, i64 } %t187, 0
-  %t191 = getelementptr inbounds %S.ast.Type, ptr %t190, i64 1
-  %t192 = load %S.ast.Type, ptr %t191
-  %t193 = load { ptr, i64, i64 }, ptr %a4
-  %t194 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t178, %S.ast.Type %t185, %S.ast.Type %t192, { ptr, i64, i64 } %t193, ptr %t194)
+inrange4016:
+  %t192 = extractvalue { ptr, i64, i64 } %t189, 0
+  %t193 = getelementptr inbounds %S.ast.Type, ptr %t192, i64 1
+  %t194 = load %S.ast.Type, ptr %t193
+  %t195 = load { ptr, i64, i64 }, ptr %a4
+  %t196 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t180, %S.ast.Type %t187, %S.ast.Type %t194, { ptr, i64, i64 } %t195, ptr %t196)
   ret void
-endif3797:
-  %t195 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t196 = load { ptr, i64, i64 }, ptr %t195
-  store { ptr, i64, i64 } %t196, ptr %a197
-  store { ptr, i64, i64 } { ptr @.str.2381, i64 5, i64 0 }, ptr %a198
-  %t199 = call i32 @finch_str_eq(ptr %a197, ptr %a198)
-  %t200 = icmp ne i32 %t199, 0
-  br label %logic.from3806
-logic.from3806:
-  br i1 %t200, label %logic.rhs3807, label %logic.end3808
-logic.rhs3807:
-  %t201 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i32 0, i32 1
-  %t203 = load i64, ptr %t202
-  %t204 = icmp sgt i64 %t203, 0
-  br label %logic.rend3809
-logic.rend3809:
-  br label %logic.end3808
-logic.end3808:
-  %t205 = phi i1 [ false, %logic.from3806 ], [ %t204, %logic.rend3809 ]
-  br label %logic.from3810
-logic.from3810:
-  br i1 %t205, label %logic.rhs3811, label %logic.end3812
-logic.rhs3811:
-  %t206 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t207 = load { ptr, i64, i64 }, ptr %t206
-  store { ptr, i64, i64 } %t207, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.2382, i64 6, i64 0 }, ptr %a209
-  %t210 = call i32 @finch_str_eq(ptr %a208, ptr %a209)
-  %t211 = icmp ne i32 %t210, 0
-  br label %logic.rend3813
-logic.rend3813:
-  br label %logic.end3812
-logic.end3812:
-  %t212 = phi i1 [ false, %logic.from3810 ], [ %t211, %logic.rend3813 ]
-  br i1 %t212, label %then3814, label %endif3816
-then3814:
-  %t213 = load ptr, ptr %a1
-  %t214 = icmp eq ptr %t213, null
-  br i1 %t214, label %panic3817, label %ok3818
-panic3817:
-  call void @finch_panic(ptr @.str.2383, i64 1549, ptr @.str.2384)
+endif4008:
+  %t197 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t198 = load { ptr, i64, i64 }, ptr %t197
+  store { ptr, i64, i64 } %t198, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.2466, i64 5, i64 0 }, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp ne i32 %t201, 0
+  br label %logic.from4017
+logic.from4017:
+  br i1 %t202, label %logic.rhs4018, label %logic.end4019
+logic.rhs4018:
+  %t203 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t204 = getelementptr inbounds { ptr, i64, i64 }, ptr %t203, i32 0, i32 1
+  %t205 = load i64, ptr %t204
+  %t206 = icmp sgt i64 %t205, 0
+  br label %logic.rend4020
+logic.rend4020:
+  br label %logic.end4019
+logic.end4019:
+  %t207 = phi i1 [ false, %logic.from4017 ], [ %t206, %logic.rend4020 ]
+  br label %logic.from4021
+logic.from4021:
+  br i1 %t207, label %logic.rhs4022, label %logic.end4023
+logic.rhs4022:
+  %t208 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t209 = load { ptr, i64, i64 }, ptr %t208
+  store { ptr, i64, i64 } %t209, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.2467, i64 6, i64 0 }, ptr %a211
+  %t212 = call i32 @finch_str_eq(ptr %a210, ptr %a211)
+  %t213 = icmp ne i32 %t212, 0
+  br label %logic.rend4024
+logic.rend4024:
+  br label %logic.end4023
+logic.end4023:
+  %t214 = phi i1 [ false, %logic.from4021 ], [ %t213, %logic.rend4024 ]
+  br i1 %t214, label %then4025, label %endif4027
+then4025:
+  %t215 = load ptr, ptr %a1
+  %t216 = icmp eq ptr %t215, null
+  br i1 %t216, label %panic4028, label %ok4029
+panic4028:
+  call void @finch_panic(ptr @.str.2468, i64 1697, ptr @.str.2469)
   unreachable
-ok3818:
-  %t215 = getelementptr inbounds %S.gen.Gen, ptr %t213, i32 0, i32 15
-  %t216 = load ptr, ptr %a1
-  %t217 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 3
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  %t219 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 2
+ok4029:
+  %t217 = getelementptr inbounds %S.gen.Gen, ptr %t215, i32 0, i32 16
+  %t218 = load ptr, ptr %a1
+  %t219 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 3
   %t220 = load { ptr, i64, i64 }, ptr %t219
-  %t221 = call i64 @finch.gen.findStruct(ptr %t216, { ptr, i64, i64 } %t218, { ptr, i64, i64 } %t220)
-  %t222 = load { ptr, i64, i64 }, ptr %t215
-  %t223 = extractvalue { ptr, i64, i64 } %t222, 1
-  %t224 = icmp uge i64 %t221, %t223
-  br i1 %t224, label %range3819, label %inrange3820
-range3819:
-  call void @finch_panic_index(ptr @.str.2385, i64 1549, i64 %t221, i64 %t223)
+  %t221 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 2
+  %t222 = load { ptr, i64, i64 }, ptr %t221
+  %t223 = call i64 @finch.gen.findStruct(ptr %t218, { ptr, i64, i64 } %t220, { ptr, i64, i64 } %t222)
+  %t224 = load { ptr, i64, i64 }, ptr %t217
+  %t225 = extractvalue { ptr, i64, i64 } %t224, 1
+  %t226 = icmp uge i64 %t223, %t225
+  br i1 %t226, label %range4030, label %inrange4031
+range4030:
+  call void @finch_panic_index(ptr @.str.2470, i64 1697, i64 %t223, i64 %t225)
   unreachable
-inrange3820:
-  %t225 = extractvalue { ptr, i64, i64 } %t222, 0
-  %t226 = getelementptr inbounds %S.gen.StructDef, ptr %t225, i64 %t221
-  %t227 = load %S.gen.StructDef, ptr %t226
-  store %S.gen.StructDef %t227, ptr %a228
-  call void @finch.copy.S_gen_StructDef(ptr %a229, ptr %a228)
-  %t230 = load %S.gen.StructDef, ptr %a229
-  store %S.gen.StructDef %t230, ptr %a231
-  %t232 = getelementptr inbounds %S.gen.StructDef, ptr %a231, i32 0, i32 5
-  %t233 = load { ptr, i64, i64 }, ptr %t232
-  %t234 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+inrange4031:
+  %t227 = extractvalue { ptr, i64, i64 } %t224, 0
+  %t228 = getelementptr inbounds %S.gen.StructDef, ptr %t227, i64 %t223
+  %t229 = load %S.gen.StructDef, ptr %t228
+  store %S.gen.StructDef %t229, ptr %a230
+  call void @finch.copy.S_gen_StructDef(ptr %a231, ptr %a230)
+  %t232 = load %S.gen.StructDef, ptr %a231
+  store %S.gen.StructDef %t232, ptr %a233
+  %t234 = getelementptr inbounds %S.gen.StructDef, ptr %a233, i32 0, i32 5
   %t235 = load { ptr, i64, i64 }, ptr %t234
-  store { ptr, i64, i64 } %t233, ptr %a236
-  store { ptr, i64, i64 } %t235, ptr %a237
-  %t238 = call i32 @finch_str_eq(ptr %a236, ptr %a237)
-  %t239 = icmp ne i32 %t238, 0
-  br label %logic.from3821
-logic.from3821:
-  br i1 %t239, label %logic.rhs3822, label %logic.end3823
-logic.rhs3822:
-  %t240 = getelementptr inbounds %S.gen.StructDef, ptr %a231, i32 0, i32 7
-  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t240, i32 0, i32 1
-  %t242 = load i64, ptr %t241
-  %t243 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
-  %t245 = load i64, ptr %t244
-  %t246 = icmp eq i64 %t242, %t245
-  br label %logic.rend3824
-logic.rend3824:
-  br label %logic.end3823
-logic.end3823:
-  %t247 = phi i1 [ false, %logic.from3821 ], [ %t246, %logic.rend3824 ]
-  br i1 %t247, label %then3825, label %endif3827
-then3825:
-  %t248 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
-  %t250 = load i64, ptr %t249
-  store i64 0, ptr %a251
-  br label %for.cond3828
-for.cond3828:
-  %t252 = load i64, ptr %a251
-  %t253 = icmp slt i64 %t252, %t250
-  br i1 %t253, label %for.body3829, label %for.end3831
-for.body3829:
-  %t254 = load ptr, ptr %a1
-  %t255 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t256 = load i64, ptr %a251
-  %t257 = load { ptr, i64, i64 }, ptr %t255
-  %t258 = extractvalue { ptr, i64, i64 } %t257, 1
-  %t259 = icmp uge i64 %t256, %t258
-  br i1 %t259, label %range3832, label %inrange3833
-range3832:
-  call void @finch_panic_index(ptr @.str.2386, i64 1552, i64 %t256, i64 %t258)
+  %t236 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t237 = load { ptr, i64, i64 }, ptr %t236
+  store { ptr, i64, i64 } %t235, ptr %a238
+  store { ptr, i64, i64 } %t237, ptr %a239
+  %t240 = call i32 @finch_str_eq(ptr %a238, ptr %a239)
+  %t241 = icmp ne i32 %t240, 0
+  br label %logic.from4032
+logic.from4032:
+  br i1 %t241, label %logic.rhs4033, label %logic.end4034
+logic.rhs4033:
+  %t242 = getelementptr inbounds %S.gen.StructDef, ptr %a233, i32 0, i32 7
+  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i32 0, i32 1
+  %t244 = load i64, ptr %t243
+  %t245 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %t245, i32 0, i32 1
+  %t247 = load i64, ptr %t246
+  %t248 = icmp eq i64 %t244, %t247
+  br label %logic.rend4035
+logic.rend4035:
+  br label %logic.end4034
+logic.end4034:
+  %t249 = phi i1 [ false, %logic.from4032 ], [ %t248, %logic.rend4035 ]
+  br i1 %t249, label %then4036, label %endif4038
+then4036:
+  %t250 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %t250, i32 0, i32 1
+  %t252 = load i64, ptr %t251
+  store i64 0, ptr %a253
+  br label %for.cond4039
+for.cond4039:
+  %t254 = load i64, ptr %a253
+  %t255 = icmp slt i64 %t254, %t252
+  br i1 %t255, label %for.body4040, label %for.end4042
+for.body4040:
+  %t256 = load ptr, ptr %a1
+  %t257 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t258 = load i64, ptr %a253
+  %t259 = load { ptr, i64, i64 }, ptr %t257
+  %t260 = extractvalue { ptr, i64, i64 } %t259, 1
+  %t261 = icmp uge i64 %t258, %t260
+  br i1 %t261, label %range4043, label %inrange4044
+range4043:
+  call void @finch_panic_index(ptr @.str.2471, i64 1700, i64 %t258, i64 %t260)
   unreachable
-inrange3833:
-  %t260 = extractvalue { ptr, i64, i64 } %t257, 0
-  %t261 = getelementptr inbounds %S.ast.Type, ptr %t260, i64 %t256
-  %t262 = load %S.ast.Type, ptr %t261
-  %t263 = getelementptr inbounds %S.gen.StructDef, ptr %a231, i32 0, i32 7
-  %t264 = load i64, ptr %a251
-  %t265 = load { ptr, i64, i64 }, ptr %t263
-  %t266 = extractvalue { ptr, i64, i64 } %t265, 1
-  %t267 = icmp uge i64 %t264, %t266
-  br i1 %t267, label %range3834, label %inrange3835
-range3834:
-  call void @finch_panic_index(ptr @.str.2387, i64 1552, i64 %t264, i64 %t266)
+inrange4044:
+  %t262 = extractvalue { ptr, i64, i64 } %t259, 0
+  %t263 = getelementptr inbounds %S.ast.Type, ptr %t262, i64 %t258
+  %t264 = load %S.ast.Type, ptr %t263
+  %t265 = getelementptr inbounds %S.gen.StructDef, ptr %a233, i32 0, i32 7
+  %t266 = load i64, ptr %a253
+  %t267 = load { ptr, i64, i64 }, ptr %t265
+  %t268 = extractvalue { ptr, i64, i64 } %t267, 1
+  %t269 = icmp uge i64 %t266, %t268
+  br i1 %t269, label %range4045, label %inrange4046
+range4045:
+  call void @finch_panic_index(ptr @.str.2472, i64 1700, i64 %t266, i64 %t268)
   unreachable
-inrange3835:
-  %t268 = extractvalue { ptr, i64, i64 } %t265, 0
-  %t269 = getelementptr inbounds %S.ast.Type, ptr %t268, i64 %t264
-  %t270 = load %S.ast.Type, ptr %t269
-  %t271 = load { ptr, i64, i64 }, ptr %a4
-  %t272 = load ptr, ptr %a5
-  call void @finch.gen.bindType(ptr %t254, %S.ast.Type %t262, %S.ast.Type %t270, { ptr, i64, i64 } %t271, ptr %t272)
-  br label %for.step3830
-for.step3830:
-  %t273 = load i64, ptr %a251
-  %t274 = add i64 %t273, 1
-  store i64 %t274, ptr %a251
-  br label %for.cond3828
-for.end3831:
-  br label %endif3827
-endif3827:
-  br label %endif3816
-endif3816:
+inrange4046:
+  %t270 = extractvalue { ptr, i64, i64 } %t267, 0
+  %t271 = getelementptr inbounds %S.ast.Type, ptr %t270, i64 %t266
+  %t272 = load %S.ast.Type, ptr %t271
+  %t273 = load { ptr, i64, i64 }, ptr %a4
+  %t274 = load ptr, ptr %a5
+  call void @finch.gen.bindType(ptr %t256, %S.ast.Type %t264, %S.ast.Type %t272, { ptr, i64, i64 } %t273, ptr %t274)
+  br label %for.step4041
+for.step4041:
+  %t275 = load i64, ptr %a253
+  %t276 = add i64 %t275, 1
+  store i64 %t276, ptr %a253
+  br label %for.cond4039
+for.end4042:
+  br label %endif4038
+endif4038:
+  call void @finch.drop.S_gen_StructDef(ptr %a233)
+  br label %endif4027
+endif4027:
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Val(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond4123
+n.cond4123:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body4124, label %n.end4125
+n.body4124:
+  %t7 = getelementptr inbounds %S.gen.Val, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Val(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond4123
+n.end4125:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Binds(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Binds, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_ast_Type(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Binds, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_bool(ptr %t2)
   ret void
 }
 
@@ -35952,66 +41840,89 @@ entry:
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca i64, align 16
-  %a107 = alloca %S.ast.Type, align 16
-  %a130 = alloca %S.gen.Binds, align 16
-  %a134 = alloca i64, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca i64, align 16
-  %a169 = alloca %S.gen.Val, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca %S.gen.Val, align 16
-  %a212 = alloca %S.gen.Val, align 16
-  %a237 = alloca i64, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca i64, align 16
-  %a297 = alloca %S.gen.FnSig, align 16
-  %a298 = alloca %S.gen.FnSig, align 16
-  %a300 = alloca %S.gen.FnSig, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca i64, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca %S.gen.Val, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca i64, align 16
+  %a113 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.ast.Type, align 16
+  %a137 = alloca %S.gen.Binds, align 16
+  %a141 = alloca i64, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca i64, align 16
+  %a167 = alloca i64, align 16
+  %a182 = alloca %S.gen.Val, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca %S.gen.Val, align 16
+  %a228 = alloca %S.gen.Val, align 16
+  %a255 = alloca i64, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a309 = alloca i64, align 16
+  %a320 = alloca %S.gen.FnSig, align 16
+  %a321 = alloca %S.gen.FnSig, align 16
+  %a323 = alloca %S.gen.FnSig, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca i64, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca %S.gen.Val, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca %S.gen.Val, align 16
+  %a414 = alloca i64, align 16
+  %a422 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -36019,21 +41930,21 @@ entry:
   store { ptr, i64, i64 } %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic3836, label %ok3837
-panic3836:
-  call void @finch_panic(ptr @.str.2388, i64 1560, ptr @.str.2389)
+  br i1 %t7, label %panic4047, label %ok4048
+panic4047:
+  call void @finch_panic(ptr @.str.2473, i64 1708, ptr @.str.2474)
   unreachable
-ok3837:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
+ok4048:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 17
   %t9 = load i64, ptr %a3
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range3838, label %inrange3839
-range3838:
-  call void @finch_panic_index(ptr @.str.2390, i64 1560, i64 %t9, i64 %t11)
+  br i1 %t12, label %range4049, label %inrange4050
+range4049:
+  call void @finch_panic_index(ptr @.str.2475, i64 1708, i64 %t9, i64 %t11)
   unreachable
-inrange3839:
+inrange4050:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.Template, ptr %t13, i64 %t9
   %t15 = load %S.gen.Template, ptr %t14
@@ -36043,22 +41954,22 @@ inrange3839:
   store %S.gen.Template %t18, ptr %a19
   %t20 = load ptr, ptr %a1
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic3840, label %ok3841
-panic3840:
-  call void @finch_panic(ptr @.str.2391, i64 1561, ptr @.str.2392)
+  br i1 %t21, label %panic4051, label %ok4052
+panic4051:
+  call void @finch_panic(ptr @.str.2476, i64 1709, ptr @.str.2477)
   unreachable
-ok3841:
+ok4052:
   %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 0
   %t23 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 4
   %t24 = load i64, ptr %t23
   %t25 = load { ptr, i64, i64 }, ptr %t22
   %t26 = extractvalue { ptr, i64, i64 } %t25, 1
   %t27 = icmp uge i64 %t24, %t26
-  br i1 %t27, label %range3842, label %inrange3843
-range3842:
-  call void @finch_panic_index(ptr @.str.2393, i64 1561, i64 %t24, i64 %t26)
+  br i1 %t27, label %range4053, label %inrange4054
+range4053:
+  call void @finch_panic_index(ptr @.str.2478, i64 1709, i64 %t24, i64 %t26)
   unreachable
-inrange3843:
+inrange4054:
   %t28 = extractvalue { ptr, i64, i64 } %t25, 0
   %t29 = getelementptr inbounds %S.ast.Program, ptr %t28, i64 %t24
   %t30 = getelementptr inbounds %S.ast.Program, ptr %t29, i32 0, i32 8
@@ -36067,11 +41978,11 @@ inrange3843:
   %t33 = load { ptr, i64, i64 }, ptr %t30
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range3844, label %inrange3845
-range3844:
-  call void @finch_panic_index(ptr @.str.2394, i64 1561, i64 %t32, i64 %t34)
+  br i1 %t35, label %range4055, label %inrange4056
+range4055:
+  call void @finch_panic_index(ptr @.str.2479, i64 1709, i64 %t32, i64 %t34)
   unreachable
-inrange3845:
+inrange4056:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds %S.ast.Node, ptr %t36, i64 %t32
   %t38 = load %S.ast.Node, ptr %t37
@@ -36096,8 +42007,8 @@ inrange3845:
   %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %t55, i32 0, i32 1
   %t57 = load i64, ptr %t56
   %t58 = icmp sgt i64 %t57, 0
-  br i1 %t58, label %then3846, label %endif3848
-then3846:
+  br i1 %t58, label %then4057, label %endif4059
+then4057:
   %t59 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
   %t60 = getelementptr inbounds %S.ast.Type, ptr %t59, i32 0, i32 1
   %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
@@ -36106,13 +42017,13 @@ then3846:
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
   %t65 = load i64, ptr %t64
   %t66 = icmp ne i64 %t62, %t65
-  br i1 %t66, label %then3849, label %endif3851
-then3849:
+  br i1 %t66, label %then4060, label %endif4062
+then4060:
   %t67 = load ptr, ptr %a1
   %t68 = load %S.ast.Node, ptr %a2
   %t69 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t69, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.2395, i64 7, i64 0 }, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.2480, i64 7, i64 0 }, ptr %a72
   call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
   %t73 = load { ptr, i64, i64 }, ptr %a70
   %t74 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
@@ -36123,456 +42034,548 @@ then3849:
   store { ptr, i64, i64 } %t73, ptr %a80
   store { ptr, i64, i64 } %t78, ptr %a81
   call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
-  %t82 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t82, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.2396, i64 27, i64 0 }, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i32 0, i32 1
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t88, i32 0, i32 1
-  %t90 = load i64, ptr %t89
-  call void @finch_str_from_int(ptr %a91, i64 %t90)
-  %t92 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t86, ptr %a94
-  store { ptr, i64, i64 } %t92, ptr %a95
-  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
-  %t96 = load { ptr, i64, i64 }, ptr %a93
-  call void @finch.gen.fail(ptr %t67, %S.ast.Node %t68, { ptr, i64, i64 } %t96)
-  br label %endif3851
-endif3851:
-  %t97 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %t97, i32 0, i32 1
-  store i64 0, ptr %a99
-  br label %each.cond3852
-each.cond3852:
-  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
-  %t101 = load i64, ptr %t100
-  %t102 = load i64, ptr %a99
-  %t103 = icmp slt i64 %t102, %t101
-  br i1 %t103, label %each.body3853, label %each.end3855
-each.body3853:
-  %t104 = load ptr, ptr %t98
-  %t105 = getelementptr inbounds %S.ast.Type, ptr %t104, i64 %t102
-  %t106 = load %S.ast.Type, ptr %t105
-  store %S.ast.Type %t106, ptr %a107
-  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
-  %t109 = load ptr, ptr %a1
-  %t110 = load %S.ast.Type, ptr %a107
-  %t111 = load %S.ast.Node, ptr %a2
-  %t112 = call %S.ast.Type @finch.gen.resolve(ptr %t109, %S.ast.Type %t110, %S.ast.Node %t111)
-  %t113 = load i64, ptr %t108
-  %t114 = add i64 %t113, 1
-  call void @finch_arr_reserve(ptr %a53, i64 %t114, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t115 = load ptr, ptr %a53
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i64 %t113
-  store %S.ast.Type %t112, ptr %t116
-  store i64 %t114, ptr %t108
-  br label %each.step3854
-each.step3854:
-  %t117 = load i64, ptr %a99
-  %t118 = add i64 %t117, 1
-  store i64 %t118, ptr %a99
-  br label %each.cond3852
-each.end3855:
-  %t119 = load ptr, ptr %a1
-  %t120 = load ptr, ptr %a1
-  %t121 = load i64, ptr %a3
-  %t122 = load { ptr, i64, i64 }, ptr %a53
-  %t123 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2397, i64 4, i64 0 })
-  %t124 = load %S.ast.Node, ptr %a2
-  %t125 = call i64 @finch.gen.instFn(ptr %t120, i64 %t121, { ptr, i64, i64 } %t122, %S.ast.Type %t123, %S.ast.Node %t124)
-  %t126 = load %S.ast.Node, ptr %a2
-  %t127 = load i64, ptr %a4
-  %t128 = load { ptr, i64, i64 }, ptr %a5
-  %t129 = call %S.gen.Val @finch.gen.callFn(ptr %t119, i64 %t125, %S.ast.Node %t126, i64 %t127, { ptr, i64, i64 } %t128, { ptr, i64, i64 } { ptr @.str.2398, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.2399, i64 0, i64 0 })
-  ret %S.gen.Val %t129
-endif3848:
-  store %S.gen.Binds zeroinitializer, ptr %a130
-  %t131 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t133 = load i64, ptr %t132
-  store i64 0, ptr %a134
-  br label %for.cond3856
-for.cond3856:
-  %t135 = load i64, ptr %a134
-  %t136 = icmp slt i64 %t135, %t133
-  br i1 %t136, label %for.body3857, label %for.end3859
-for.body3857:
-  %t137 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 0
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
-  %t139 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2400, i64 4, i64 0 })
-  %t140 = load i64, ptr %t138
-  %t141 = add i64 %t140, 1
-  call void @finch_arr_reserve(ptr %t137, i64 %t141, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t142 = load ptr, ptr %t137
-  %t143 = getelementptr inbounds %S.ast.Type, ptr %t142, i64 %t140
-  store %S.ast.Type %t139, ptr %t143
-  store i64 %t141, ptr %t138
-  %t144 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 1
+  store { ptr, i64, i64 } %t73, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  store { ptr, i64, i64 } %t78, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t84, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.2481, i64 27, i64 0 }, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %t90, i32 0, i32 1
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
+  %t93 = load i64, ptr %t92
+  call void @finch_str_from_int(ptr %a94, i64 %t93)
+  %t95 = load { ptr, i64, i64 }, ptr %a94
+  store { ptr, i64, i64 } %t89, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t89, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  store { ptr, i64, i64 } %t95, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.gen.fail(ptr %t67, %S.ast.Node %t68, { ptr, i64, i64 } %t101)
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif4062
+endif4062:
+  %t103 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t104 = getelementptr inbounds %S.ast.Type, ptr %t103, i32 0, i32 1
+  store i64 0, ptr %a105
+  br label %each.cond4063
+each.cond4063:
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t107 = load i64, ptr %t106
+  %t108 = load i64, ptr %a105
+  %t109 = icmp slt i64 %t108, %t107
+  br i1 %t109, label %each.body4064, label %each.end4066
+each.body4064:
+  %t110 = load ptr, ptr %t104
+  %t111 = getelementptr inbounds %S.ast.Type, ptr %t110, i64 %t108
+  %t112 = load %S.ast.Type, ptr %t111
+  store %S.ast.Type %t112, ptr %a113
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
+  %t115 = load ptr, ptr %a1
+  %t116 = load %S.ast.Type, ptr %a113
+  %t117 = load %S.ast.Node, ptr %a2
+  %t118 = call %S.ast.Type @finch.gen.resolve(ptr %t115, %S.ast.Type %t116, %S.ast.Node %t117)
+  %t119 = load i64, ptr %t114
+  %t120 = add i64 %t119, 1
+  call void @finch_arr_reserve(ptr %a53, i64 %t120, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t121 = load ptr, ptr %a53
+  %t122 = getelementptr inbounds %S.ast.Type, ptr %t121, i64 %t119
+  store %S.ast.Type %t118, ptr %t122
+  store i64 %t120, ptr %t114
+  br label %each.step4065
+each.step4065:
+  %t123 = load i64, ptr %a105
+  %t124 = add i64 %t123, 1
+  store i64 %t124, ptr %a105
+  br label %each.cond4063
+each.end4066:
+  %t125 = load ptr, ptr %a1
+  %t126 = load ptr, ptr %a1
+  %t127 = load i64, ptr %a3
+  %t128 = load { ptr, i64, i64 }, ptr %a53
+  %t129 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2482, i64 4, i64 0 })
+  %t130 = load %S.ast.Node, ptr %a2
+  %t131 = call i64 @finch.gen.instFn(ptr %t126, i64 %t127, { ptr, i64, i64 } %t128, %S.ast.Type %t129, %S.ast.Node %t130)
+  store %S.ast.Type %t129, ptr %a132
+  call void @finch.drop.S_ast_Type(ptr %a132)
+  %t133 = load %S.ast.Node, ptr %a2
+  %t134 = load i64, ptr %a4
+  %t135 = load { ptr, i64, i64 }, ptr %a5
+  %t136 = call %S.gen.Val @finch.gen.callFn(ptr %t125, i64 %t131, %S.ast.Node %t133, i64 %t134, { ptr, i64, i64 } %t135, { ptr, i64, i64 } { ptr @.str.2483, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.2484, i64 0, i64 0 })
+  call void @finch.drop.arr_S_ast_Type(ptr %a53)
+  call void @finch.drop.S_ast_Node(ptr %a42)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret %S.gen.Val %t136
+endif4059:
+  store %S.gen.Binds zeroinitializer, ptr %a137
+  %t138 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t138, i32 0, i32 1
+  %t140 = load i64, ptr %t139
+  store i64 0, ptr %a141
+  br label %for.cond4067
+for.cond4067:
+  %t142 = load i64, ptr %a141
+  %t143 = icmp slt i64 %t142, %t140
+  br i1 %t143, label %for.body4068, label %for.end4070
+for.body4068:
+  %t144 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 0
   %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
-  %t146 = load i64, ptr %t145
-  %t147 = add i64 %t146, 1
-  call void @finch_arr_reserve(ptr %t144, i64 %t147, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
-  %t148 = load ptr, ptr %t144
-  %t149 = getelementptr inbounds i1, ptr %t148, i64 %t146
-  store i1 false, ptr %t149
-  store i64 %t147, ptr %t145
-  br label %for.step3858
-for.step3858:
-  %t150 = load i64, ptr %a134
-  %t151 = add i64 %t150, 1
-  store i64 %t151, ptr %a134
-  br label %for.cond3856
-for.end3859:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a152
-  %t153 = load i64, ptr %a47
-  store i64 0, ptr %a154
-  br label %for.cond3860
-for.cond3860:
-  %t155 = load i64, ptr %a154
-  %t156 = icmp slt i64 %t155, %t153
-  br i1 %t156, label %for.body3861, label %for.end3863
-for.body3861:
-  %t157 = load ptr, ptr %a1
-  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t159 = load i64, ptr %a4
-  %t160 = load i64, ptr %a154
-  %t161 = add i64 %t159, %t160
-  %t162 = load { ptr, i64, i64 }, ptr %t158
-  %t163 = extractvalue { ptr, i64, i64 } %t162, 1
-  %t164 = icmp uge i64 %t161, %t163
-  br i1 %t164, label %range3864, label %inrange3865
-range3864:
-  call void @finch_panic_index(ptr @.str.2401, i64 1581, i64 %t161, i64 %t163)
+  %t146 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2485, i64 4, i64 0 })
+  %t147 = load i64, ptr %t145
+  %t148 = add i64 %t147, 1
+  call void @finch_arr_reserve(ptr %t144, i64 %t148, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t149 = load ptr, ptr %t144
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %t149, i64 %t147
+  store %S.ast.Type %t146, ptr %t150
+  store i64 %t148, ptr %t145
+  %t151 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 1
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = load i64, ptr %t152
+  %t154 = add i64 %t153, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t154, i64 ptrtoint (ptr getelementptr (i1, ptr null, i32 1) to i64))
+  %t155 = load ptr, ptr %t151
+  %t156 = getelementptr inbounds i1, ptr %t155, i64 %t153
+  store i1 false, ptr %t156
+  store i64 %t154, ptr %t152
+  br label %for.step4069
+for.step4069:
+  %t157 = load i64, ptr %a141
+  %t158 = add i64 %t157, 1
+  store i64 %t158, ptr %a141
+  br label %for.cond4067
+for.end4070:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a159
+  %t160 = load ptr, ptr %a1
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic4071, label %ok4072
+panic4071:
+  call void @finch_panic(ptr @.str.2486, i64 1728, ptr @.str.2487)
   unreachable
-inrange3865:
-  %t165 = extractvalue { ptr, i64, i64 } %t162, 0
-  %t166 = getelementptr inbounds %S.ast.Node, ptr %t165, i64 %t161
-  %t167 = load %S.ast.Node, ptr %t166
-  %t168 = call %S.gen.Val @finch.gen.expr(ptr %t157, %S.ast.Node %t167)
-  store %S.gen.Val %t168, ptr %a169
-  %t170 = getelementptr inbounds %S.gen.Val, ptr %a169, i32 0, i32 1
-  %t171 = getelementptr inbounds %S.ast.Type, ptr %t170, i32 0, i32 0
-  %t172 = load { ptr, i64, i64 }, ptr %t171
-  store { ptr, i64, i64 } %t172, ptr %a173
-  store { ptr, i64, i64 } { ptr @.str.2402, i64 4, i64 0 }, ptr %a174
-  %t175 = call i32 @finch_str_eq(ptr %a173, ptr %a174)
-  %t176 = icmp ne i32 %t175, 0
-  br label %logic.from3866
-logic.from3866:
-  br i1 %t176, label %logic.end3868, label %logic.rhs3867
-logic.rhs3867:
-  %t177 = getelementptr inbounds %S.gen.Val, ptr %a169, i32 0, i32 1
-  %t178 = getelementptr inbounds %S.ast.Type, ptr %t177, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
-  store { ptr, i64, i64 } %t179, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.2403, i64 4, i64 0 }, ptr %a181
-  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
-  %t183 = icmp ne i32 %t182, 0
-  br label %logic.rend3869
-logic.rend3869:
-  br label %logic.end3868
-logic.end3868:
-  %t184 = phi i1 [ true, %logic.from3866 ], [ %t183, %logic.rend3869 ]
-  br i1 %t184, label %then3870, label %endif3872
-then3870:
-  %t185 = load ptr, ptr %a1
-  %t186 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t187 = load i64, ptr %a4
-  %t188 = load i64, ptr %a154
-  %t189 = add i64 %t187, %t188
-  %t190 = load { ptr, i64, i64 }, ptr %t186
-  %t191 = extractvalue { ptr, i64, i64 } %t190, 1
-  %t192 = icmp uge i64 %t189, %t191
-  br i1 %t192, label %range3873, label %inrange3874
-range3873:
-  call void @finch_panic_index(ptr @.str.2404, i64 1583, i64 %t189, i64 %t191)
+ok4072:
+  %t162 = getelementptr inbounds %S.gen.Gen, ptr %t160, i32 0, i32 11
+  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
+  %t164 = load i64, ptr %t163
+  store i64 %t164, ptr %a165
+  %t166 = load i64, ptr %a47
+  store i64 0, ptr %a167
+  br label %for.cond4073
+for.cond4073:
+  %t168 = load i64, ptr %a167
+  %t169 = icmp slt i64 %t168, %t166
+  br i1 %t169, label %for.body4074, label %for.end4076
+for.body4074:
+  %t170 = load ptr, ptr %a1
+  %t171 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t172 = load i64, ptr %a4
+  %t173 = load i64, ptr %a167
+  %t174 = add i64 %t172, %t173
+  %t175 = load { ptr, i64, i64 }, ptr %t171
+  %t176 = extractvalue { ptr, i64, i64 } %t175, 1
+  %t177 = icmp uge i64 %t174, %t176
+  br i1 %t177, label %range4077, label %inrange4078
+range4077:
+  call void @finch_panic_index(ptr @.str.2488, i64 1730, i64 %t174, i64 %t176)
   unreachable
-inrange3874:
-  %t193 = extractvalue { ptr, i64, i64 } %t190, 0
-  %t194 = getelementptr inbounds %S.ast.Node, ptr %t193, i64 %t189
-  %t195 = load %S.ast.Node, ptr %t194
-  %t196 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t197 = getelementptr inbounds { ptr, i64, i64 }, ptr %t196, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2406, i64 2, i64 0 }, ptr %a198
-  call void @finch_str_join(ptr %a199, ptr %t196, ptr %a198)
-  %t200 = load { ptr, i64, i64 }, ptr %a199
-  store { ptr, i64, i64 } { ptr @.str.2405, i64 29, i64 0 }, ptr %a202
-  store { ptr, i64, i64 } %t200, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  store { ptr, i64, i64 } %t204, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.2407, i64 5, i64 0 }, ptr %a207
-  call void @finch_str_concat(ptr %a205, ptr %a206, ptr %a207)
-  %t208 = load { ptr, i64, i64 }, ptr %a205
-  call void @finch.gen.fail(ptr %t185, %S.ast.Node %t195, { ptr, i64, i64 } %t208)
-  br label %endif3872
-endif3872:
-  %t209 = getelementptr inbounds { ptr, i64, i64 }, ptr %a152, i32 0, i32 1
-  %t210 = load %S.gen.Val, ptr %a169
-  store %S.gen.Val %t210, ptr %a211
-  call void @finch.copy.S_gen_Val(ptr %a212, ptr %a211)
-  %t213 = load %S.gen.Val, ptr %a212
-  %t214 = load i64, ptr %t209
-  %t215 = add i64 %t214, 1
-  call void @finch_arr_reserve(ptr %a152, i64 %t215, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
-  %t216 = load ptr, ptr %a152
-  %t217 = getelementptr inbounds %S.gen.Val, ptr %t216, i64 %t214
-  store %S.gen.Val %t213, ptr %t217
-  store i64 %t215, ptr %t209
-  %t218 = load ptr, ptr %a1
-  %t219 = getelementptr inbounds %S.ast.Node, ptr %a42, i32 0, i32 9
-  %t220 = load i64, ptr %a154
-  %t221 = load { ptr, i64, i64 }, ptr %t219
-  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
-  %t223 = icmp uge i64 %t220, %t222
-  br i1 %t223, label %range3875, label %inrange3876
-range3875:
-  call void @finch_panic_index(ptr @.str.2408, i64 1586, i64 %t220, i64 %t222)
+inrange4078:
+  %t178 = extractvalue { ptr, i64, i64 } %t175, 0
+  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i64 %t174
+  %t180 = load %S.ast.Node, ptr %t179
+  %t181 = call %S.gen.Val @finch.gen.expr(ptr %t170, %S.ast.Node %t180)
+  store %S.gen.Val %t181, ptr %a182
+  %t183 = getelementptr inbounds %S.gen.Val, ptr %a182, i32 0, i32 1
+  %t184 = getelementptr inbounds %S.ast.Type, ptr %t183, i32 0, i32 0
+  %t185 = load { ptr, i64, i64 }, ptr %t184
+  store { ptr, i64, i64 } %t185, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.2489, i64 4, i64 0 }, ptr %a187
+  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
+  %t189 = icmp ne i32 %t188, 0
+  br label %logic.from4079
+logic.from4079:
+  br i1 %t189, label %logic.end4081, label %logic.rhs4080
+logic.rhs4080:
+  %t190 = getelementptr inbounds %S.gen.Val, ptr %a182, i32 0, i32 1
+  %t191 = getelementptr inbounds %S.ast.Type, ptr %t190, i32 0, i32 0
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  store { ptr, i64, i64 } %t192, ptr %a193
+  store { ptr, i64, i64 } { ptr @.str.2490, i64 4, i64 0 }, ptr %a194
+  %t195 = call i32 @finch_str_eq(ptr %a193, ptr %a194)
+  %t196 = icmp ne i32 %t195, 0
+  br label %logic.rend4082
+logic.rend4082:
+  br label %logic.end4081
+logic.end4081:
+  %t197 = phi i1 [ true, %logic.from4079 ], [ %t196, %logic.rend4082 ]
+  br i1 %t197, label %then4083, label %endif4085
+then4083:
+  %t198 = load ptr, ptr %a1
+  %t199 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t200 = load i64, ptr %a4
+  %t201 = load i64, ptr %a167
+  %t202 = add i64 %t200, %t201
+  %t203 = load { ptr, i64, i64 }, ptr %t199
+  %t204 = extractvalue { ptr, i64, i64 } %t203, 1
+  %t205 = icmp uge i64 %t202, %t204
+  br i1 %t205, label %range4086, label %inrange4087
+range4086:
+  call void @finch_panic_index(ptr @.str.2491, i64 1732, i64 %t202, i64 %t204)
   unreachable
-inrange3876:
-  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
-  %t225 = getelementptr inbounds %S.ast.Node, ptr %t224, i64 %t220
-  %t226 = getelementptr inbounds %S.ast.Node, ptr %t225, i32 0, i32 5
-  %t227 = load %S.ast.Type, ptr %t226
-  %t228 = getelementptr inbounds %S.gen.Val, ptr %a169, i32 0, i32 1
-  %t229 = load %S.ast.Type, ptr %t228
-  %t230 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t231 = load { ptr, i64, i64 }, ptr %t230
-  call void @finch.gen.bindType(ptr %t218, %S.ast.Type %t227, %S.ast.Type %t229, { ptr, i64, i64 } %t231, ptr %a130)
-  br label %for.step3862
-for.step3862:
-  %t232 = load i64, ptr %a154
-  %t233 = add i64 %t232, 1
-  store i64 %t233, ptr %a154
-  br label %for.cond3860
-for.end3863:
-  %t234 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i32 0, i32 1
-  %t236 = load i64, ptr %t235
-  store i64 0, ptr %a237
-  br label %for.cond3877
-for.cond3877:
-  %t238 = load i64, ptr %a237
-  %t239 = icmp slt i64 %t238, %t236
-  br i1 %t239, label %for.body3878, label %for.end3880
-for.body3878:
-  %t240 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 1
-  %t241 = load i64, ptr %a237
-  %t242 = load { ptr, i64, i64 }, ptr %t240
-  %t243 = extractvalue { ptr, i64, i64 } %t242, 1
-  %t244 = icmp uge i64 %t241, %t243
-  br i1 %t244, label %range3881, label %inrange3882
-range3881:
-  call void @finch_panic_index(ptr @.str.2409, i64 1589, i64 %t241, i64 %t243)
+inrange4087:
+  %t206 = extractvalue { ptr, i64, i64 } %t203, 0
+  %t207 = getelementptr inbounds %S.ast.Node, ptr %t206, i64 %t202
+  %t208 = load %S.ast.Node, ptr %t207
+  %t209 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2493, i64 2, i64 0 }, ptr %a211
+  call void @finch_str_join(ptr %a212, ptr %t209, ptr %a211)
+  %t213 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.2492, i64 29, i64 0 }, ptr %a215
+  store { ptr, i64, i64 } %t213, ptr %a216
+  call void @finch_str_concat(ptr %a214, ptr %a215, ptr %a216)
+  store { ptr, i64, i64 } %t213, ptr %a217
+  call void @finch_str_drop(ptr %a217)
+  %t218 = load { ptr, i64, i64 }, ptr %a214
+  store { ptr, i64, i64 } %t218, ptr %a220
+  store { ptr, i64, i64 } { ptr @.str.2494, i64 5, i64 0 }, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t218, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.fail(ptr %t198, %S.ast.Node %t208, { ptr, i64, i64 } %t223)
+  store { ptr, i64, i64 } %t223, ptr %a224
+  call void @finch_str_drop(ptr %a224)
+  br label %endif4085
+endif4085:
+  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %a159, i32 0, i32 1
+  %t226 = load %S.gen.Val, ptr %a182
+  store %S.gen.Val %t226, ptr %a227
+  call void @finch.copy.S_gen_Val(ptr %a228, ptr %a227)
+  %t229 = load %S.gen.Val, ptr %a228
+  %t230 = load i64, ptr %t225
+  %t231 = add i64 %t230, 1
+  call void @finch_arr_reserve(ptr %a159, i64 %t231, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t232 = load ptr, ptr %a159
+  %t233 = getelementptr inbounds %S.gen.Val, ptr %t232, i64 %t230
+  store %S.gen.Val %t229, ptr %t233
+  store i64 %t231, ptr %t225
+  %t234 = load ptr, ptr %a1
+  %t235 = load %S.gen.Val, ptr %a182
+  call void @finch.gen.hold(ptr %t234, %S.gen.Val %t235)
+  %t236 = load ptr, ptr %a1
+  %t237 = getelementptr inbounds %S.ast.Node, ptr %a42, i32 0, i32 9
+  %t238 = load i64, ptr %a167
+  %t239 = load { ptr, i64, i64 }, ptr %t237
+  %t240 = extractvalue { ptr, i64, i64 } %t239, 1
+  %t241 = icmp uge i64 %t238, %t240
+  br i1 %t241, label %range4088, label %inrange4089
+range4088:
+  call void @finch_panic_index(ptr @.str.2495, i64 1736, i64 %t238, i64 %t240)
   unreachable
-inrange3882:
-  %t245 = extractvalue { ptr, i64, i64 } %t242, 0
-  %t246 = getelementptr inbounds i1, ptr %t245, i64 %t241
-  %t247 = load i1, ptr %t246
-  %t248 = xor i1 %t247, true
-  br i1 %t248, label %then3883, label %endif3885
-then3883:
-  %t249 = load ptr, ptr %a1
-  %t250 = load %S.ast.Node, ptr %a2
-  %t251 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
-  %t252 = load i64, ptr %a237
-  %t253 = load { ptr, i64, i64 }, ptr %t251
-  %t254 = extractvalue { ptr, i64, i64 } %t253, 1
-  %t255 = icmp uge i64 %t252, %t254
-  br i1 %t255, label %range3886, label %inrange3887
-range3886:
-  call void @finch_panic_index(ptr @.str.2411, i64 1590, i64 %t252, i64 %t254)
+inrange4089:
+  %t242 = extractvalue { ptr, i64, i64 } %t239, 0
+  %t243 = getelementptr inbounds %S.ast.Node, ptr %t242, i64 %t238
+  %t244 = getelementptr inbounds %S.ast.Node, ptr %t243, i32 0, i32 5
+  %t245 = load %S.ast.Type, ptr %t244
+  %t246 = getelementptr inbounds %S.gen.Val, ptr %a182, i32 0, i32 1
+  %t247 = load %S.ast.Type, ptr %t246
+  %t248 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t249 = load { ptr, i64, i64 }, ptr %t248
+  call void @finch.gen.bindType(ptr %t236, %S.ast.Type %t245, %S.ast.Type %t247, { ptr, i64, i64 } %t249, ptr %a137)
+  call void @finch.drop.S_gen_Val(ptr %a182)
+  br label %for.step4075
+for.step4075:
+  %t250 = load i64, ptr %a167
+  %t251 = add i64 %t250, 1
+  store i64 %t251, ptr %a167
+  br label %for.cond4073
+for.end4076:
+  %t252 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t252, i32 0, i32 1
+  %t254 = load i64, ptr %t253
+  store i64 0, ptr %a255
+  br label %for.cond4090
+for.cond4090:
+  %t256 = load i64, ptr %a255
+  %t257 = icmp slt i64 %t256, %t254
+  br i1 %t257, label %for.body4091, label %for.end4093
+for.body4091:
+  %t258 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 1
+  %t259 = load i64, ptr %a255
+  %t260 = load { ptr, i64, i64 }, ptr %t258
+  %t261 = extractvalue { ptr, i64, i64 } %t260, 1
+  %t262 = icmp uge i64 %t259, %t261
+  br i1 %t262, label %range4094, label %inrange4095
+range4094:
+  call void @finch_panic_index(ptr @.str.2496, i64 1739, i64 %t259, i64 %t261)
   unreachable
-inrange3887:
-  %t256 = extractvalue { ptr, i64, i64 } %t253, 0
-  %t257 = getelementptr inbounds { ptr, i64, i64 }, ptr %t256, i64 %t252
-  %t258 = load { ptr, i64, i64 }, ptr %t257
-  store { ptr, i64, i64 } { ptr @.str.2410, i64 16, i64 0 }, ptr %a260
-  store { ptr, i64, i64 } %t258, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.2412, i64 24, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  %t267 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  store { ptr, i64, i64 } %t266, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } %t272, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.2413, i64 10, i64 0 }, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  call void @finch.gen.fail(ptr %t249, %S.ast.Node %t250, { ptr, i64, i64 } %t276)
-  br label %endif3885
-endif3885:
-  br label %for.step3879
-for.step3879:
-  %t277 = load i64, ptr %a237
-  %t278 = add i64 %t277, 1
-  store i64 %t278, ptr %a237
-  br label %for.cond3877
-for.end3880:
-  %t279 = load ptr, ptr %a1
-  %t280 = load i64, ptr %a3
-  %t281 = getelementptr inbounds %S.gen.Binds, ptr %a130, i32 0, i32 0
-  %t282 = load { ptr, i64, i64 }, ptr %t281
-  %t283 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2414, i64 4, i64 0 })
-  %t284 = load %S.ast.Node, ptr %a2
-  %t285 = call i64 @finch.gen.instFn(ptr %t279, i64 %t280, { ptr, i64, i64 } %t282, %S.ast.Type %t283, %S.ast.Node %t284)
-  store i64 %t285, ptr %a286
-  %t287 = load ptr, ptr %a1
-  %t288 = icmp eq ptr %t287, null
-  br i1 %t288, label %panic3888, label %ok3889
-panic3888:
-  call void @finch_panic(ptr @.str.2415, i64 1594, ptr @.str.2416)
+inrange4095:
+  %t263 = extractvalue { ptr, i64, i64 } %t260, 0
+  %t264 = getelementptr inbounds i1, ptr %t263, i64 %t259
+  %t265 = load i1, ptr %t264
+  %t266 = xor i1 %t265, true
+  br i1 %t266, label %then4096, label %endif4098
+then4096:
+  %t267 = load ptr, ptr %a1
+  %t268 = load %S.ast.Node, ptr %a2
+  %t269 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 3
+  %t270 = load i64, ptr %a255
+  %t271 = load { ptr, i64, i64 }, ptr %t269
+  %t272 = extractvalue { ptr, i64, i64 } %t271, 1
+  %t273 = icmp uge i64 %t270, %t272
+  br i1 %t273, label %range4099, label %inrange4100
+range4099:
+  call void @finch_panic_index(ptr @.str.2498, i64 1740, i64 %t270, i64 %t272)
   unreachable
-ok3889:
-  %t289 = getelementptr inbounds %S.gen.Gen, ptr %t287, i32 0, i32 14
-  %t290 = load i64, ptr %a286
-  %t291 = load { ptr, i64, i64 }, ptr %t289
-  %t292 = extractvalue { ptr, i64, i64 } %t291, 1
-  %t293 = icmp uge i64 %t290, %t292
-  br i1 %t293, label %range3890, label %inrange3891
-range3890:
-  call void @finch_panic_index(ptr @.str.2417, i64 1594, i64 %t290, i64 %t292)
-  unreachable
-inrange3891:
-  %t294 = extractvalue { ptr, i64, i64 } %t291, 0
-  %t295 = getelementptr inbounds %S.gen.FnSig, ptr %t294, i64 %t290
-  %t296 = load %S.gen.FnSig, ptr %t295
-  store %S.gen.FnSig %t296, ptr %a297
-  call void @finch.copy.S_gen_FnSig(ptr %a298, ptr %a297)
-  %t299 = load %S.gen.FnSig, ptr %a298
-  store %S.gen.FnSig %t299, ptr %a300
+inrange4100:
+  %t274 = extractvalue { ptr, i64, i64 } %t271, 0
+  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %t274, i64 %t270
+  %t276 = load { ptr, i64, i64 }, ptr %t275
+  store { ptr, i64, i64 } { ptr @.str.2497, i64 16, i64 0 }, ptr %a278
+  store { ptr, i64, i64 } %t276, ptr %a279
+  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
+  %t280 = load { ptr, i64, i64 }, ptr %a277
+  store { ptr, i64, i64 } %t280, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.2499, i64 24, i64 0 }, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t280, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
+  %t286 = getelementptr inbounds %S.gen.Template, ptr %a19, i32 0, i32 1
+  %t287 = load { ptr, i64, i64 }, ptr %t286
+  store { ptr, i64, i64 } %t285, ptr %a289
+  store { ptr, i64, i64 } %t287, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  store { ptr, i64, i64 } %t285, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  %t292 = load { ptr, i64, i64 }, ptr %a288
+  store { ptr, i64, i64 } %t292, ptr %a294
+  store { ptr, i64, i64 } { ptr @.str.2500, i64 10, i64 0 }, ptr %a295
+  call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
+  store { ptr, i64, i64 } %t292, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a293
+  call void @finch.gen.fail(ptr %t267, %S.ast.Node %t268, { ptr, i64, i64 } %t297)
+  store { ptr, i64, i64 } %t297, ptr %a298
+  call void @finch_str_drop(ptr %a298)
+  br label %endif4098
+endif4098:
+  br label %for.step4092
+for.step4092:
+  %t299 = load i64, ptr %a255
+  %t300 = add i64 %t299, 1
+  store i64 %t300, ptr %a255
+  br label %for.cond4090
+for.end4093:
   %t301 = load ptr, ptr %a1
-  %t302 = load %S.ast.Node, ptr %a2
-  %t303 = load %S.gen.FnSig, ptr %a300
-  call void @finch.gen.noteCall(ptr %t301, %S.ast.Node %t302, %S.gen.FnSig %t303)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a304
-  %t305 = load i64, ptr %a47
-  store i64 0, ptr %a306
-  br label %for.cond3892
-for.cond3892:
-  %t307 = load i64, ptr %a306
-  %t308 = icmp slt i64 %t307, %t305
-  br i1 %t308, label %for.body3893, label %for.end3895
-for.body3893:
-  %t309 = load ptr, ptr %a1
-  %t310 = load i64, ptr %a306
-  %t311 = load { ptr, i64, i64 }, ptr %a152
-  %t312 = extractvalue { ptr, i64, i64 } %t311, 1
-  %t313 = icmp uge i64 %t310, %t312
-  br i1 %t313, label %range3896, label %inrange3897
-range3896:
-  call void @finch_panic_index(ptr @.str.2418, i64 1598, i64 %t310, i64 %t312)
+  %t302 = load i64, ptr %a3
+  %t303 = getelementptr inbounds %S.gen.Binds, ptr %a137, i32 0, i32 0
+  %t304 = load { ptr, i64, i64 }, ptr %t303
+  %t305 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.2501, i64 4, i64 0 })
+  %t306 = load %S.ast.Node, ptr %a2
+  %t307 = call i64 @finch.gen.instFn(ptr %t301, i64 %t302, { ptr, i64, i64 } %t304, %S.ast.Type %t305, %S.ast.Node %t306)
+  store %S.ast.Type %t305, ptr %a308
+  call void @finch.drop.S_ast_Type(ptr %a308)
+  store i64 %t307, ptr %a309
+  %t310 = load ptr, ptr %a1
+  %t311 = icmp eq ptr %t310, null
+  br i1 %t311, label %panic4101, label %ok4102
+panic4101:
+  call void @finch_panic(ptr @.str.2502, i64 1744, ptr @.str.2503)
   unreachable
-inrange3897:
-  %t314 = extractvalue { ptr, i64, i64 } %t311, 0
-  %t315 = getelementptr inbounds %S.gen.Val, ptr %t314, i64 %t310
-  %t316 = load %S.gen.Val, ptr %t315
-  %t317 = getelementptr inbounds %S.gen.FnSig, ptr %a300, i32 0, i32 13
-  %t318 = load i64, ptr %a306
-  %t319 = load { ptr, i64, i64 }, ptr %t317
-  %t320 = extractvalue { ptr, i64, i64 } %t319, 1
-  %t321 = icmp uge i64 %t318, %t320
-  br i1 %t321, label %range3898, label %inrange3899
-range3898:
-  call void @finch_panic_index(ptr @.str.2419, i64 1598, i64 %t318, i64 %t320)
+ok4102:
+  %t312 = getelementptr inbounds %S.gen.Gen, ptr %t310, i32 0, i32 15
+  %t313 = load i64, ptr %a309
+  %t314 = load { ptr, i64, i64 }, ptr %t312
+  %t315 = extractvalue { ptr, i64, i64 } %t314, 1
+  %t316 = icmp uge i64 %t313, %t315
+  br i1 %t316, label %range4103, label %inrange4104
+range4103:
+  call void @finch_panic_index(ptr @.str.2504, i64 1744, i64 %t313, i64 %t315)
   unreachable
-inrange3899:
-  %t322 = extractvalue { ptr, i64, i64 } %t319, 0
-  %t323 = getelementptr inbounds %S.ast.Type, ptr %t322, i64 %t318
-  %t324 = load %S.ast.Type, ptr %t323
-  %t325 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t326 = load i64, ptr %a4
-  %t327 = load i64, ptr %a306
-  %t328 = add i64 %t326, %t327
-  %t329 = load { ptr, i64, i64 }, ptr %t325
-  %t330 = extractvalue { ptr, i64, i64 } %t329, 1
-  %t331 = icmp uge i64 %t328, %t330
-  br i1 %t331, label %range3900, label %inrange3901
-range3900:
-  call void @finch_panic_index(ptr @.str.2420, i64 1598, i64 %t328, i64 %t330)
+inrange4104:
+  %t317 = extractvalue { ptr, i64, i64 } %t314, 0
+  %t318 = getelementptr inbounds %S.gen.FnSig, ptr %t317, i64 %t313
+  %t319 = load %S.gen.FnSig, ptr %t318
+  store %S.gen.FnSig %t319, ptr %a320
+  call void @finch.copy.S_gen_FnSig(ptr %a321, ptr %a320)
+  %t322 = load %S.gen.FnSig, ptr %a321
+  store %S.gen.FnSig %t322, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = load %S.ast.Node, ptr %a2
+  %t326 = load %S.gen.FnSig, ptr %a323
+  call void @finch.gen.noteCall(ptr %t324, %S.ast.Node %t325, %S.gen.FnSig %t326)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a327
+  %t328 = load i64, ptr %a47
+  store i64 0, ptr %a329
+  br label %for.cond4105
+for.cond4105:
+  %t330 = load i64, ptr %a329
+  %t331 = icmp slt i64 %t330, %t328
+  br i1 %t331, label %for.body4106, label %for.end4108
+for.body4106:
+  %t332 = load ptr, ptr %a1
+  %t333 = load i64, ptr %a329
+  %t334 = load { ptr, i64, i64 }, ptr %a159
+  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
+  %t336 = icmp uge i64 %t333, %t335
+  br i1 %t336, label %range4109, label %inrange4110
+range4109:
+  call void @finch_panic_index(ptr @.str.2505, i64 1748, i64 %t333, i64 %t335)
   unreachable
-inrange3901:
-  %t332 = extractvalue { ptr, i64, i64 } %t329, 0
-  %t333 = getelementptr inbounds %S.ast.Node, ptr %t332, i64 %t328
-  %t334 = load %S.ast.Node, ptr %t333
-  %t335 = getelementptr inbounds %S.gen.FnSig, ptr %a300, i32 0, i32 14
-  %t336 = load i64, ptr %a306
-  %t337 = load { ptr, i64, i64 }, ptr %t335
-  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
-  %t339 = icmp uge i64 %t336, %t338
-  br i1 %t339, label %range3902, label %inrange3903
-range3902:
-  call void @finch_panic_index(ptr @.str.2422, i64 1598, i64 %t336, i64 %t338)
+inrange4110:
+  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
+  %t338 = getelementptr inbounds %S.gen.Val, ptr %t337, i64 %t333
+  %t339 = load %S.gen.Val, ptr %t338
+  %t340 = getelementptr inbounds %S.gen.FnSig, ptr %a323, i32 0, i32 13
+  %t341 = load i64, ptr %a329
+  %t342 = load { ptr, i64, i64 }, ptr %t340
+  %t343 = extractvalue { ptr, i64, i64 } %t342, 1
+  %t344 = icmp uge i64 %t341, %t343
+  br i1 %t344, label %range4111, label %inrange4112
+range4111:
+  call void @finch_panic_index(ptr @.str.2506, i64 1748, i64 %t341, i64 %t343)
   unreachable
-inrange3903:
-  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
-  %t341 = getelementptr inbounds { ptr, i64, i64 }, ptr %t340, i64 %t336
-  %t342 = load { ptr, i64, i64 }, ptr %t341
-  store { ptr, i64, i64 } { ptr @.str.2421, i64 10, i64 0 }, ptr %a344
-  store { ptr, i64, i64 } %t342, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  store { ptr, i64, i64 } %t346, ptr %a348
-  store { ptr, i64, i64 } { ptr @.str.2423, i64 1, i64 0 }, ptr %a349
-  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
-  %t350 = load { ptr, i64, i64 }, ptr %a347
-  %t351 = call %S.gen.Val @finch.gen.coerce(ptr %t309, %S.gen.Val %t316, %S.ast.Type %t324, %S.ast.Node %t334, { ptr, i64, i64 } %t350)
-  store %S.gen.Val %t351, ptr %a352
-  %t353 = getelementptr inbounds { ptr, i64, i64 }, ptr %a304, i32 0, i32 1
-  %t354 = load ptr, ptr %a1
-  %t355 = getelementptr inbounds %S.gen.FnSig, ptr %a300, i32 0, i32 13
-  %t356 = load i64, ptr %a306
-  %t357 = load { ptr, i64, i64 }, ptr %t355
-  %t358 = extractvalue { ptr, i64, i64 } %t357, 1
-  %t359 = icmp uge i64 %t356, %t358
-  br i1 %t359, label %range3904, label %inrange3905
-range3904:
-  call void @finch_panic_index(ptr @.str.2424, i64 1599, i64 %t356, i64 %t358)
+inrange4112:
+  %t345 = extractvalue { ptr, i64, i64 } %t342, 0
+  %t346 = getelementptr inbounds %S.ast.Type, ptr %t345, i64 %t341
+  %t347 = load %S.ast.Type, ptr %t346
+  %t348 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t349 = load i64, ptr %a4
+  %t350 = load i64, ptr %a329
+  %t351 = add i64 %t349, %t350
+  %t352 = load { ptr, i64, i64 }, ptr %t348
+  %t353 = extractvalue { ptr, i64, i64 } %t352, 1
+  %t354 = icmp uge i64 %t351, %t353
+  br i1 %t354, label %range4113, label %inrange4114
+range4113:
+  call void @finch_panic_index(ptr @.str.2507, i64 1748, i64 %t351, i64 %t353)
   unreachable
-inrange3905:
-  %t360 = extractvalue { ptr, i64, i64 } %t357, 0
-  %t361 = getelementptr inbounds %S.ast.Type, ptr %t360, i64 %t356
-  %t362 = load %S.ast.Type, ptr %t361
-  %t363 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t354, %S.ast.Type %t362)
-  store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.2425, i64 1, i64 0 }, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  %t368 = getelementptr inbounds %S.gen.Val, ptr %a352, i32 0, i32 0
-  %t369 = load { ptr, i64, i64 }, ptr %t368
-  store { ptr, i64, i64 } %t367, ptr %a371
-  store { ptr, i64, i64 } %t369, ptr %a372
+inrange4114:
+  %t355 = extractvalue { ptr, i64, i64 } %t352, 0
+  %t356 = getelementptr inbounds %S.ast.Node, ptr %t355, i64 %t351
+  %t357 = load %S.ast.Node, ptr %t356
+  %t358 = getelementptr inbounds %S.gen.FnSig, ptr %a323, i32 0, i32 14
+  %t359 = load i64, ptr %a329
+  %t360 = load { ptr, i64, i64 }, ptr %t358
+  %t361 = extractvalue { ptr, i64, i64 } %t360, 1
+  %t362 = icmp uge i64 %t359, %t361
+  br i1 %t362, label %range4115, label %inrange4116
+range4115:
+  call void @finch_panic_index(ptr @.str.2509, i64 1748, i64 %t359, i64 %t361)
+  unreachable
+inrange4116:
+  %t363 = extractvalue { ptr, i64, i64 } %t360, 0
+  %t364 = getelementptr inbounds { ptr, i64, i64 }, ptr %t363, i64 %t359
+  %t365 = load { ptr, i64, i64 }, ptr %t364
+  store { ptr, i64, i64 } { ptr @.str.2508, i64 10, i64 0 }, ptr %a367
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  %t369 = load { ptr, i64, i64 }, ptr %a366
+  store { ptr, i64, i64 } %t369, ptr %a371
+  store { ptr, i64, i64 } { ptr @.str.2510, i64 1, i64 0 }, ptr %a372
   call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = load i64, ptr %t353
-  %t375 = add i64 %t374, 1
-  call void @finch_arr_reserve(ptr %a304, i64 %t375, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t376 = load ptr, ptr %a304
-  %t377 = getelementptr inbounds { ptr, i64, i64 }, ptr %t376, i64 %t374
-  store { ptr, i64, i64 } %t373, ptr %t377
-  store i64 %t375, ptr %t353
-  br label %for.step3894
-for.step3894:
-  %t378 = load i64, ptr %a306
-  %t379 = add i64 %t378, 1
-  store i64 %t379, ptr %a306
-  br label %for.cond3892
-for.end3895:
-  %t380 = load ptr, ptr %a1
-  %t381 = load %S.gen.FnSig, ptr %a300
-  %t382 = load %S.ast.Node, ptr %a2
-  %t383 = load { ptr, i64, i64 }, ptr %a304
-  %t384 = load { ptr, i64, i64 }, ptr %a5
-  %t385 = call %S.gen.Val @finch.gen.emitCall(ptr %t380, %S.gen.FnSig %t381, %S.ast.Node %t382, { ptr, i64, i64 } %t383, { ptr, i64, i64 } %t384)
-  ret %S.gen.Val %t385
+  store { ptr, i64, i64 } %t369, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a370
+  %t375 = call %S.gen.Val @finch.gen.coerce(ptr %t332, %S.gen.Val %t339, %S.ast.Type %t347, %S.ast.Node %t357, { ptr, i64, i64 } %t374)
+  store { ptr, i64, i64 } %t374, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  store %S.gen.Val %t375, ptr %a377
+  %t378 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
+  %t379 = load ptr, ptr %a1
+  %t380 = getelementptr inbounds %S.gen.FnSig, ptr %a323, i32 0, i32 13
+  %t381 = load i64, ptr %a329
+  %t382 = load { ptr, i64, i64 }, ptr %t380
+  %t383 = extractvalue { ptr, i64, i64 } %t382, 1
+  %t384 = icmp uge i64 %t381, %t383
+  br i1 %t384, label %range4117, label %inrange4118
+range4117:
+  call void @finch_panic_index(ptr @.str.2511, i64 1749, i64 %t381, i64 %t383)
+  unreachable
+inrange4118:
+  %t385 = extractvalue { ptr, i64, i64 } %t382, 0
+  %t386 = getelementptr inbounds %S.ast.Type, ptr %t385, i64 %t381
+  %t387 = load %S.ast.Type, ptr %t386
+  %t388 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t379, %S.ast.Type %t387)
+  store { ptr, i64, i64 } %t388, ptr %a390
+  store { ptr, i64, i64 } { ptr @.str.2512, i64 1, i64 0 }, ptr %a391
+  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
+  store { ptr, i64, i64 } %t388, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  %t394 = getelementptr inbounds %S.gen.Val, ptr %a377, i32 0, i32 0
+  %t395 = load { ptr, i64, i64 }, ptr %t394
+  store { ptr, i64, i64 } %t393, ptr %a397
+  store { ptr, i64, i64 } %t395, ptr %a398
+  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
+  store { ptr, i64, i64 } %t393, ptr %a399
+  call void @finch_str_drop(ptr %a399)
+  %t400 = load { ptr, i64, i64 }, ptr %a396
+  %t401 = load i64, ptr %t378
+  %t402 = add i64 %t401, 1
+  call void @finch_arr_reserve(ptr %a327, i64 %t402, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t403 = load ptr, ptr %a327
+  %t404 = getelementptr inbounds { ptr, i64, i64 }, ptr %t403, i64 %t401
+  store { ptr, i64, i64 } %t400, ptr %t404
+  store i64 %t402, ptr %t378
+  call void @finch.drop.S_gen_Val(ptr %a377)
+  br label %for.step4107
+for.step4107:
+  %t405 = load i64, ptr %a329
+  %t406 = add i64 %t405, 1
+  store i64 %t406, ptr %a329
+  br label %for.cond4105
+for.end4108:
+  %t407 = load ptr, ptr %a1
+  %t408 = load %S.gen.FnSig, ptr %a323
+  %t409 = load %S.ast.Node, ptr %a2
+  %t410 = load { ptr, i64, i64 }, ptr %a327
+  %t411 = load { ptr, i64, i64 }, ptr %a5
+  %t412 = call %S.gen.Val @finch.gen.emitCall(ptr %t407, %S.gen.FnSig %t408, %S.ast.Node %t409, { ptr, i64, i64 } %t410, { ptr, i64, i64 } %t411)
+  store %S.gen.Val %t412, ptr %a413
+  store i64 0, ptr %a414
+  br label %each.cond4119
+each.cond4119:
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %a159, i32 0, i32 1
+  %t416 = load i64, ptr %t415
+  %t417 = load i64, ptr %a414
+  %t418 = icmp slt i64 %t417, %t416
+  br i1 %t418, label %each.body4120, label %each.end4122
+each.body4120:
+  %t419 = load ptr, ptr %a159
+  %t420 = getelementptr inbounds %S.gen.Val, ptr %t419, i64 %t417
+  %t421 = load %S.gen.Val, ptr %t420
+  store %S.gen.Val %t421, ptr %a422
+  %t423 = load ptr, ptr %a1
+  %t424 = load %S.gen.Val, ptr %a422
+  call void @finch.gen.release(ptr %t423, %S.gen.Val %t424)
+  br label %each.step4121
+each.step4121:
+  %t425 = load i64, ptr %a414
+  %t426 = add i64 %t425, 1
+  store i64 %t426, ptr %a414
+  br label %each.cond4119
+each.end4122:
+  %t427 = load ptr, ptr %a1
+  %t428 = load i64, ptr %a165
+  call void @finch.gen.heldEnd(ptr %t427, i64 %t428)
+  %t429 = load %S.gen.Val, ptr %a413
+  call void @finch.drop.arr_str(ptr %a327)
+  call void @finch.drop.S_gen_FnSig(ptr %a323)
+  call void @finch.drop.arr_S_gen_Val(ptr %a159)
+  call void @finch.drop.S_gen_Binds(ptr %a137)
+  call void @finch.drop.arr_S_ast_Type(ptr %a53)
+  call void @finch.drop.S_ast_Node(ptr %a42)
+  call void @finch.drop.S_gen_Template(ptr %a19)
+  ret %S.gen.Val %t429
 }
 
 define internal void @finch.copy.S_cimport_CField(ptr %dst, ptr %src) {
@@ -36598,20 +42601,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond3914
-n.cond3914:
+  br label %n.cond4134
+n.cond4134:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body3915, label %n.end3916
-n.body3915:
+  br i1 %t7, label %n.body4135, label %n.end4136
+n.body4135:
   %t8 = getelementptr inbounds %S.cimport.CField, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.cimport.CField, ptr %t2, i64 %t6
   call void @finch.copy.S_cimport_CField(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond3914
-n.end3916:
+  br label %n.cond4134
+n.end4136:
   ret void
 }
 
@@ -36653,64 +42656,74 @@ entry:
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca %S.ast.Type, align 16
-  %a130 = alloca %S.ast.Type, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.ast.Type, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
   %a290 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
   %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3906, label %ok3907
-panic3906:
-  call void @finch_panic(ptr @.str.2426, i64 1607, ptr @.str.2427)
+  br i1 %t4, label %panic4126, label %ok4127
+panic4126:
+  call void @finch_panic(ptr @.str.2513, i64 1762, ptr @.str.2514)
   unreachable
-ok3907:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 24
+ok4127:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 25
   %t6 = getelementptr inbounds %S.cimport.CImports, ptr %t5, i32 0, i32 3
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic3908, label %ok3909
-panic3908:
-  call void @finch_panic(ptr @.str.2428, i64 1607, ptr @.str.2429)
+  br i1 %t8, label %panic4128, label %ok4129
+panic4128:
+  call void @finch_panic(ptr @.str.2515, i64 1762, ptr @.str.2516)
   unreachable
-ok3909:
-  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 15
+ok4129:
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %t7, i32 0, i32 16
   %t10 = load i64, ptr %a2
   %t11 = load { ptr, i64, i64 }, ptr %t9
   %t12 = extractvalue { ptr, i64, i64 } %t11, 1
   %t13 = icmp uge i64 %t10, %t12
-  br i1 %t13, label %range3910, label %inrange3911
-range3910:
-  call void @finch_panic_index(ptr @.str.2430, i64 1607, i64 %t10, i64 %t12)
+  br i1 %t13, label %range4130, label %inrange4131
+range4130:
+  call void @finch_panic_index(ptr @.str.2517, i64 1762, i64 %t10, i64 %t12)
   unreachable
-inrange3911:
+inrange4131:
   %t14 = extractvalue { ptr, i64, i64 } %t11, 0
   %t15 = getelementptr inbounds %S.gen.StructDef, ptr %t14, i64 %t10
   %t16 = getelementptr inbounds %S.gen.StructDef, ptr %t15, i32 0, i32 1
@@ -36718,14 +42731,14 @@ inrange3911:
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = call i64 @finch_map_find(ptr %t6, ptr %a18, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t20 = icmp slt i64 %t19, 0
-  br i1 %t20, label %map.missing3912, label %map.found3913
-map.missing3912:
+  br i1 %t20, label %map.missing4132, label %map.found4133
+map.missing4132:
   store { ptr, i64, i64 } zeroinitializer, ptr %a21
   store { ptr, i64, i64 } %t17, ptr %a22
   call void @finch_buf_str(ptr %a21, ptr %a22, i32 1)
-  call void @finch_map_missing(ptr @.str.2431, i64 1607, ptr %a21)
+  call void @finch_map_missing(ptr @.str.2518, i64 1762, ptr %a21)
   unreachable
-map.found3913:
+map.found4133:
   %t23 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 0
   %t24 = load ptr, ptr %t23
   %t25 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t24, i64 %t19
@@ -36737,21 +42750,21 @@ map.found3913:
   store %S.cimport.CStruct %t30, ptr %a31
   %t32 = load ptr, ptr %a1
   %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic3917, label %ok3918
-panic3917:
-  call void @finch_panic(ptr @.str.2432, i64 1608, ptr @.str.2433)
+  br i1 %t33, label %panic4137, label %ok4138
+panic4137:
+  call void @finch_panic(ptr @.str.2519, i64 1763, ptr @.str.2520)
   unreachable
-ok3918:
-  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 15
+ok4138:
+  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 16
   %t35 = load i64, ptr %a2
   %t36 = load { ptr, i64, i64 }, ptr %t34
   %t37 = extractvalue { ptr, i64, i64 } %t36, 1
   %t38 = icmp uge i64 %t35, %t37
-  br i1 %t38, label %range3919, label %inrange3920
-range3919:
-  call void @finch_panic_index(ptr @.str.2434, i64 1608, i64 %t35, i64 %t37)
+  br i1 %t38, label %range4139, label %inrange4140
+range4139:
+  call void @finch_panic_index(ptr @.str.2521, i64 1763, i64 %t35, i64 %t37)
   unreachable
-inrange3920:
+inrange4140:
   %t39 = extractvalue { ptr, i64, i64 } %t36, 0
   %t40 = getelementptr inbounds %S.gen.StructDef, ptr %t39, i64 %t35
   %t41 = getelementptr inbounds %S.gen.StructDef, ptr %t40, i32 0, i32 15
@@ -36760,24 +42773,24 @@ inrange3920:
   store { ptr, i64, i64 } zeroinitializer, ptr %a43
   %t44 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 1
   store i64 0, ptr %a45
-  br label %each.cond3921
-each.cond3921:
+  br label %each.cond4141
+each.cond4141:
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = load i64, ptr %a45
   %t49 = icmp slt i64 %t48, %t47
-  br i1 %t49, label %each.body3922, label %each.end3924
-each.body3922:
+  br i1 %t49, label %each.body4142, label %each.end4144
+each.body4142:
   %t50 = load ptr, ptr %t44
   %t51 = getelementptr inbounds %S.cimport.CField, ptr %t50, i64 %t48
   %t52 = load %S.cimport.CField, ptr %t51
   store %S.cimport.CField %t52, ptr %a53
   %t54 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 5
   %t55 = load i1, ptr %t54
-  br i1 %t55, label %then3925, label %endif3927
-then3925:
-  br label %each.step3923
-endif3927:
+  br i1 %t55, label %then4145, label %endif4147
+then4145:
+  br label %each.step4143
+endif4147:
   %t56 = load ptr, ptr %a1
   %t57 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 1
   %t58 = load %S.ast.Type, ptr %t57
@@ -36786,11 +42799,11 @@ endif3927:
   %t61 = getelementptr inbounds %S.ast.Type, ptr %a60, i32 0, i32 0
   %t62 = load { ptr, i64, i64 }, ptr %t61
   store { ptr, i64, i64 } %t62, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.2435, i64 6, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.2522, i64 6, i64 0 }, ptr %a64
   %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
   %t66 = icmp ne i32 %t65, 0
-  br i1 %t66, label %then3928, label %endif3930
-then3928:
+  br i1 %t66, label %then4148, label %endif4150
+then4148:
   %t67 = load ptr, ptr %a1
   %t68 = load ptr, ptr %a1
   %t69 = getelementptr inbounds %S.ast.Type, ptr %a60, i32 0, i32 3
@@ -36799,14 +42812,14 @@ then3928:
   %t72 = load { ptr, i64, i64 }, ptr %t71
   %t73 = call i64 @finch.gen.findStruct(ptr %t68, { ptr, i64, i64 } %t70, { ptr, i64, i64 } %t72)
   call void @finch.gen.resolveStruct(ptr %t67, i64 %t73)
-  br label %endif3930
-endif3930:
+  br label %endif4150
+endif4150:
   %t74 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
   %t75 = load i64, ptr %t74
   %t76 = load i64, ptr %a42
   %t77 = icmp sgt i64 %t75, %t76
-  br i1 %t77, label %then3931, label %endif3933
-then3931:
+  br i1 %t77, label %then4151, label %endif4153
+then4151:
   %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
   %t79 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
   %t80 = load i64, ptr %t79
@@ -36814,373 +42827,398 @@ then3931:
   %t82 = sub i64 %t80, %t81
   call void @finch_str_from_int(ptr %a83, i64 %t82)
   %t84 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.2436, i64 1, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.2523, i64 1, i64 0 }, ptr %a86
   store { ptr, i64, i64 } %t84, ptr %a87
   call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.2437, i64 6, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = load i64, ptr %t78
-  %t94 = add i64 %t93, 1
-  call void @finch_arr_reserve(ptr %a43, i64 %t94, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t95 = load ptr, ptr %a43
-  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i64 %t93
-  store { ptr, i64, i64 } %t92, ptr %t96
-  store i64 %t94, ptr %t78
-  br label %endif3933
-endif3933:
-  %t97 = load ptr, ptr %a1
-  %t98 = icmp eq ptr %t97, null
-  br i1 %t98, label %panic3934, label %ok3935
-panic3934:
-  call void @finch_panic(ptr @.str.2438, i64 1622, ptr @.str.2439)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.2524, i64 6, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  %t95 = load i64, ptr %t78
+  %t96 = add i64 %t95, 1
+  call void @finch_arr_reserve(ptr %a43, i64 %t96, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t97 = load ptr, ptr %a43
+  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %t97, i64 %t95
+  store { ptr, i64, i64 } %t94, ptr %t98
+  store i64 %t96, ptr %t78
+  br label %endif4153
+endif4153:
+  %t99 = load ptr, ptr %a1
+  %t100 = icmp eq ptr %t99, null
+  br i1 %t100, label %panic4154, label %ok4155
+panic4154:
+  call void @finch_panic(ptr @.str.2525, i64 1777, ptr @.str.2526)
   unreachable
-ok3935:
-  %t99 = getelementptr inbounds %S.gen.Gen, ptr %t97, i32 0, i32 15
-  %t100 = load i64, ptr %a2
-  %t101 = load { ptr, i64, i64 }, ptr %t99
-  %t102 = extractvalue { ptr, i64, i64 } %t101, 1
-  %t103 = icmp uge i64 %t100, %t102
-  br i1 %t103, label %range3936, label %inrange3937
-range3936:
-  call void @finch_panic_index(ptr @.str.2440, i64 1622, i64 %t100, i64 %t102)
+ok4155:
+  %t101 = getelementptr inbounds %S.gen.Gen, ptr %t99, i32 0, i32 16
+  %t102 = load i64, ptr %a2
+  %t103 = load { ptr, i64, i64 }, ptr %t101
+  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
+  %t105 = icmp uge i64 %t102, %t104
+  br i1 %t105, label %range4156, label %inrange4157
+range4156:
+  call void @finch_panic_index(ptr @.str.2527, i64 1777, i64 %t102, i64 %t104)
   unreachable
-inrange3937:
-  %t104 = extractvalue { ptr, i64, i64 } %t101, 0
-  %t105 = getelementptr inbounds %S.gen.StructDef, ptr %t104, i64 %t100
-  %t106 = getelementptr inbounds %S.gen.StructDef, ptr %t105, i32 0, i32 11
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i32 0, i32 1
-  %t108 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 0
-  %t109 = load { ptr, i64, i64 }, ptr %t108
-  store { ptr, i64, i64 } %t109, ptr %a110
-  call void @finch_str_copy(ptr %a111, ptr %a110)
-  %t112 = load { ptr, i64, i64 }, ptr %a111
-  %t113 = load i64, ptr %t107
-  %t114 = add i64 %t113, 1
-  call void @finch_arr_reserve(ptr %t106, i64 %t114, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t115 = load ptr, ptr %t106
-  %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 %t113
-  store { ptr, i64, i64 } %t112, ptr %t116
-  store i64 %t114, ptr %t107
-  %t117 = load ptr, ptr %a1
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic3938, label %ok3939
-panic3938:
-  call void @finch_panic(ptr @.str.2441, i64 1623, ptr @.str.2442)
+inrange4157:
+  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
+  %t107 = getelementptr inbounds %S.gen.StructDef, ptr %t106, i64 %t102
+  %t108 = getelementptr inbounds %S.gen.StructDef, ptr %t107, i32 0, i32 11
+  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %t108, i32 0, i32 1
+  %t110 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 0
+  %t111 = load { ptr, i64, i64 }, ptr %t110
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch_str_copy(ptr %a113, ptr %a112)
+  %t114 = load { ptr, i64, i64 }, ptr %a113
+  %t115 = load i64, ptr %t109
+  %t116 = add i64 %t115, 1
+  call void @finch_arr_reserve(ptr %t108, i64 %t116, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t117 = load ptr, ptr %t108
+  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %t117, i64 %t115
+  store { ptr, i64, i64 } %t114, ptr %t118
+  store i64 %t116, ptr %t109
+  %t119 = load ptr, ptr %a1
+  %t120 = icmp eq ptr %t119, null
+  br i1 %t120, label %panic4158, label %ok4159
+panic4158:
+  call void @finch_panic(ptr @.str.2528, i64 1778, ptr @.str.2529)
   unreachable
-ok3939:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 15
-  %t120 = load i64, ptr %a2
-  %t121 = load { ptr, i64, i64 }, ptr %t119
-  %t122 = extractvalue { ptr, i64, i64 } %t121, 1
-  %t123 = icmp uge i64 %t120, %t122
-  br i1 %t123, label %range3940, label %inrange3941
-range3940:
-  call void @finch_panic_index(ptr @.str.2443, i64 1623, i64 %t120, i64 %t122)
+ok4159:
+  %t121 = getelementptr inbounds %S.gen.Gen, ptr %t119, i32 0, i32 16
+  %t122 = load i64, ptr %a2
+  %t123 = load { ptr, i64, i64 }, ptr %t121
+  %t124 = extractvalue { ptr, i64, i64 } %t123, 1
+  %t125 = icmp uge i64 %t122, %t124
+  br i1 %t125, label %range4160, label %inrange4161
+range4160:
+  call void @finch_panic_index(ptr @.str.2530, i64 1778, i64 %t122, i64 %t124)
   unreachable
-inrange3941:
-  %t124 = extractvalue { ptr, i64, i64 } %t121, 0
-  %t125 = getelementptr inbounds %S.gen.StructDef, ptr %t124, i64 %t120
-  %t126 = getelementptr inbounds %S.gen.StructDef, ptr %t125, i32 0, i32 12
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t126, i32 0, i32 1
-  %t128 = load %S.ast.Type, ptr %a60
-  store %S.ast.Type %t128, ptr %a129
-  call void @finch.copy.S_ast_Type(ptr %a130, ptr %a129)
-  %t131 = load %S.ast.Type, ptr %a130
-  %t132 = load i64, ptr %t127
-  %t133 = add i64 %t132, 1
-  call void @finch_arr_reserve(ptr %t126, i64 %t133, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t134 = load ptr, ptr %t126
-  %t135 = getelementptr inbounds %S.ast.Type, ptr %t134, i64 %t132
-  store %S.ast.Type %t131, ptr %t135
-  store i64 %t133, ptr %t127
-  %t136 = load ptr, ptr %a1
-  %t137 = icmp eq ptr %t136, null
-  br i1 %t137, label %panic3942, label %ok3943
-panic3942:
-  call void @finch_panic(ptr @.str.2444, i64 1624, ptr @.str.2445)
+inrange4161:
+  %t126 = extractvalue { ptr, i64, i64 } %t123, 0
+  %t127 = getelementptr inbounds %S.gen.StructDef, ptr %t126, i64 %t122
+  %t128 = getelementptr inbounds %S.gen.StructDef, ptr %t127, i32 0, i32 12
+  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t128, i32 0, i32 1
+  %t130 = load %S.ast.Type, ptr %a60
+  store %S.ast.Type %t130, ptr %a131
+  call void @finch.copy.S_ast_Type(ptr %a132, ptr %a131)
+  %t133 = load %S.ast.Type, ptr %a132
+  %t134 = load i64, ptr %t129
+  %t135 = add i64 %t134, 1
+  call void @finch_arr_reserve(ptr %t128, i64 %t135, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t136 = load ptr, ptr %t128
+  %t137 = getelementptr inbounds %S.ast.Type, ptr %t136, i64 %t134
+  store %S.ast.Type %t133, ptr %t137
+  store i64 %t135, ptr %t129
+  %t138 = load ptr, ptr %a1
+  %t139 = icmp eq ptr %t138, null
+  br i1 %t139, label %panic4162, label %ok4163
+panic4162:
+  call void @finch_panic(ptr @.str.2531, i64 1779, ptr @.str.2532)
   unreachable
-ok3943:
-  %t138 = getelementptr inbounds %S.gen.Gen, ptr %t136, i32 0, i32 15
-  %t139 = load i64, ptr %a2
-  %t140 = load { ptr, i64, i64 }, ptr %t138
-  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
-  %t142 = icmp uge i64 %t139, %t141
-  br i1 %t142, label %range3944, label %inrange3945
-range3944:
-  call void @finch_panic_index(ptr @.str.2446, i64 1624, i64 %t139, i64 %t141)
+ok4163:
+  %t140 = getelementptr inbounds %S.gen.Gen, ptr %t138, i32 0, i32 16
+  %t141 = load i64, ptr %a2
+  %t142 = load { ptr, i64, i64 }, ptr %t140
+  %t143 = extractvalue { ptr, i64, i64 } %t142, 1
+  %t144 = icmp uge i64 %t141, %t143
+  br i1 %t144, label %range4164, label %inrange4165
+range4164:
+  call void @finch_panic_index(ptr @.str.2533, i64 1779, i64 %t141, i64 %t143)
   unreachable
-inrange3945:
-  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
-  %t144 = getelementptr inbounds %S.gen.StructDef, ptr %t143, i64 %t139
-  %t145 = getelementptr inbounds %S.gen.StructDef, ptr %t144, i32 0, i32 3
-  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  %t148 = load i64, ptr %t147
-  %t149 = load i64, ptr %t146
-  %t150 = add i64 %t149, 1
-  call void @finch_arr_reserve(ptr %t145, i64 %t150, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t151 = load ptr, ptr %t145
-  %t152 = getelementptr inbounds i64, ptr %t151, i64 %t149
-  store i64 %t148, ptr %t152
-  store i64 %t150, ptr %t146
-  %t153 = load ptr, ptr %a1
-  %t154 = icmp eq ptr %t153, null
-  br i1 %t154, label %panic3946, label %ok3947
-panic3946:
-  call void @finch_panic(ptr @.str.2447, i64 1625, ptr @.str.2448)
+inrange4165:
+  %t145 = extractvalue { ptr, i64, i64 } %t142, 0
+  %t146 = getelementptr inbounds %S.gen.StructDef, ptr %t145, i64 %t141
+  %t147 = getelementptr inbounds %S.gen.StructDef, ptr %t146, i32 0, i32 3
+  %t148 = getelementptr inbounds { ptr, i64, i64 }, ptr %t147, i32 0, i32 1
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  %t151 = load i64, ptr %t148
+  %t152 = add i64 %t151, 1
+  call void @finch_arr_reserve(ptr %t147, i64 %t152, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t153 = load ptr, ptr %t147
+  %t154 = getelementptr inbounds i64, ptr %t153, i64 %t151
+  store i64 %t150, ptr %t154
+  store i64 %t152, ptr %t148
+  %t155 = load ptr, ptr %a1
+  %t156 = icmp eq ptr %t155, null
+  br i1 %t156, label %panic4166, label %ok4167
+panic4166:
+  call void @finch_panic(ptr @.str.2534, i64 1780, ptr @.str.2535)
   unreachable
-ok3947:
-  %t155 = getelementptr inbounds %S.gen.Gen, ptr %t153, i32 0, i32 15
-  %t156 = load i64, ptr %a2
-  %t157 = load { ptr, i64, i64 }, ptr %t155
-  %t158 = extractvalue { ptr, i64, i64 } %t157, 1
-  %t159 = icmp uge i64 %t156, %t158
-  br i1 %t159, label %range3948, label %inrange3949
-range3948:
-  call void @finch_panic_index(ptr @.str.2449, i64 1625, i64 %t156, i64 %t158)
+ok4167:
+  %t157 = getelementptr inbounds %S.gen.Gen, ptr %t155, i32 0, i32 16
+  %t158 = load i64, ptr %a2
+  %t159 = load { ptr, i64, i64 }, ptr %t157
+  %t160 = extractvalue { ptr, i64, i64 } %t159, 1
+  %t161 = icmp uge i64 %t158, %t160
+  br i1 %t161, label %range4168, label %inrange4169
+range4168:
+  call void @finch_panic_index(ptr @.str.2536, i64 1780, i64 %t158, i64 %t160)
   unreachable
-inrange3949:
-  %t160 = extractvalue { ptr, i64, i64 } %t157, 0
-  %t161 = getelementptr inbounds %S.gen.StructDef, ptr %t160, i64 %t156
-  %t162 = getelementptr inbounds %S.gen.StructDef, ptr %t161, i32 0, i32 4
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
-  %t164 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
-  %t165 = load i64, ptr %t164
-  %t166 = load i64, ptr %t163
-  %t167 = add i64 %t166, 1
-  call void @finch_arr_reserve(ptr %t162, i64 %t167, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t168 = load ptr, ptr %t162
-  %t169 = getelementptr inbounds i64, ptr %t168, i64 %t166
-  store i64 %t165, ptr %t169
-  store i64 %t167, ptr %t163
-  %t170 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  %t171 = load ptr, ptr %a1
-  %t172 = load %S.ast.Type, ptr %a60
-  %t173 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t171, %S.ast.Type %t172)
-  %t174 = load i64, ptr %t170
-  %t175 = add i64 %t174, 1
-  call void @finch_arr_reserve(ptr %a43, i64 %t175, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t176 = load ptr, ptr %a43
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 %t174
-  store { ptr, i64, i64 } %t173, ptr %t177
-  store i64 %t175, ptr %t170
-  %t178 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
-  %t179 = load i64, ptr %t178
-  %t180 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 3
+inrange4169:
+  %t162 = extractvalue { ptr, i64, i64 } %t159, 0
+  %t163 = getelementptr inbounds %S.gen.StructDef, ptr %t162, i64 %t158
+  %t164 = getelementptr inbounds %S.gen.StructDef, ptr %t163, i32 0, i32 4
+  %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i32 0, i32 1
+  %t166 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
+  %t167 = load i64, ptr %t166
+  %t168 = load i64, ptr %t165
+  %t169 = add i64 %t168, 1
+  call void @finch_arr_reserve(ptr %t164, i64 %t169, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t170 = load ptr, ptr %t164
+  %t171 = getelementptr inbounds i64, ptr %t170, i64 %t168
+  store i64 %t167, ptr %t171
+  store i64 %t169, ptr %t165
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  %t173 = load ptr, ptr %a1
+  %t174 = load %S.ast.Type, ptr %a60
+  %t175 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t173, %S.ast.Type %t174)
+  %t176 = load i64, ptr %t172
+  %t177 = add i64 %t176, 1
+  call void @finch_arr_reserve(ptr %a43, i64 %t177, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t178 = load ptr, ptr %a43
+  %t179 = getelementptr inbounds { ptr, i64, i64 }, ptr %t178, i64 %t176
+  store { ptr, i64, i64 } %t175, ptr %t179
+  store i64 %t177, ptr %t172
+  %t180 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 2
   %t181 = load i64, ptr %t180
-  %t182 = add i64 %t179, %t181
-  store i64 %t182, ptr %a42
-  br label %each.step3923
-each.step3923:
-  %t183 = load i64, ptr %a45
-  %t184 = add i64 %t183, 1
-  store i64 %t184, ptr %a45
-  br label %each.cond3921
-each.end3924:
-  %t185 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
-  %t186 = load i64, ptr %t185
-  %t187 = load i64, ptr %a42
-  %t188 = icmp sgt i64 %t186, %t187
-  br i1 %t188, label %then3950, label %endif3952
-then3950:
-  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  %t190 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
-  %t191 = load i64, ptr %t190
-  %t192 = load i64, ptr %a42
-  %t193 = sub i64 %t191, %t192
-  call void @finch_str_from_int(ptr %a194, i64 %t193)
-  %t195 = load { ptr, i64, i64 }, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.2450, i64 1, i64 0 }, ptr %a197
-  store { ptr, i64, i64 } %t195, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.2451, i64 6, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  %t204 = load i64, ptr %t189
-  %t205 = add i64 %t204, 1
-  call void @finch_arr_reserve(ptr %a43, i64 %t205, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t206 = load ptr, ptr %a43
-  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i64 %t204
-  store { ptr, i64, i64 } %t203, ptr %t207
-  store i64 %t205, ptr %t189
-  br label %endif3952
-endif3952:
-  %t208 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
-  %t209 = load { ptr, i64, i64 }, ptr %t208
-  %t210 = load ptr, ptr %a1
-  %t211 = icmp eq ptr %t210, null
-  br i1 %t211, label %panic3953, label %ok3954
-panic3953:
-  call void @finch_panic(ptr @.str.2452, i64 1632, ptr @.str.2453)
+  %t182 = getelementptr inbounds %S.cimport.CField, ptr %a53, i32 0, i32 3
+  %t183 = load i64, ptr %t182
+  %t184 = add i64 %t181, %t183
+  store i64 %t184, ptr %a42
+  call void @finch.drop.S_ast_Type(ptr %a60)
+  br label %each.step4143
+each.step4143:
+  %t185 = load i64, ptr %a45
+  %t186 = add i64 %t185, 1
+  store i64 %t186, ptr %a45
+  br label %each.cond4141
+each.end4144:
+  %t187 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
+  %t188 = load i64, ptr %t187
+  %t189 = load i64, ptr %a42
+  %t190 = icmp sgt i64 %t188, %t189
+  br i1 %t190, label %then4170, label %endif4172
+then4170:
+  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  %t192 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
+  %t193 = load i64, ptr %t192
+  %t194 = load i64, ptr %a42
+  %t195 = sub i64 %t193, %t194
+  call void @finch_str_from_int(ptr %a196, i64 %t195)
+  %t197 = load { ptr, i64, i64 }, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.2537, i64 1, i64 0 }, ptr %a199
+  store { ptr, i64, i64 } %t197, ptr %a200
+  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
+  store { ptr, i64, i64 } %t197, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = load { ptr, i64, i64 }, ptr %a198
+  store { ptr, i64, i64 } %t202, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.2538, i64 6, i64 0 }, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a203
+  %t208 = load i64, ptr %t191
+  %t209 = add i64 %t208, 1
+  call void @finch_arr_reserve(ptr %a43, i64 %t209, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t210 = load ptr, ptr %a43
+  %t211 = getelementptr inbounds { ptr, i64, i64 }, ptr %t210, i64 %t208
+  store { ptr, i64, i64 } %t207, ptr %t211
+  store i64 %t209, ptr %t191
+  br label %endif4172
+endif4172:
+  %t212 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
+  %t213 = load { ptr, i64, i64 }, ptr %t212
+  %t214 = load ptr, ptr %a1
+  %t215 = icmp eq ptr %t214, null
+  br i1 %t215, label %panic4173, label %ok4174
+panic4173:
+  call void @finch_panic(ptr @.str.2539, i64 1787, ptr @.str.2540)
   unreachable
-ok3954:
-  %t212 = getelementptr inbounds %S.gen.Gen, ptr %t210, i32 0, i32 15
-  %t213 = load i64, ptr %a2
-  %t214 = load { ptr, i64, i64 }, ptr %t212
-  %t215 = extractvalue { ptr, i64, i64 } %t214, 1
-  %t216 = icmp uge i64 %t213, %t215
-  br i1 %t216, label %range3955, label %inrange3956
-range3955:
-  call void @finch_panic_index(ptr @.str.2454, i64 1632, i64 %t213, i64 %t215)
+ok4174:
+  %t216 = getelementptr inbounds %S.gen.Gen, ptr %t214, i32 0, i32 16
+  %t217 = load i64, ptr %a2
+  %t218 = load { ptr, i64, i64 }, ptr %t216
+  %t219 = extractvalue { ptr, i64, i64 } %t218, 1
+  %t220 = icmp uge i64 %t217, %t219
+  br i1 %t220, label %range4175, label %inrange4176
+range4175:
+  call void @finch_panic_index(ptr @.str.2541, i64 1787, i64 %t217, i64 %t219)
   unreachable
-inrange3956:
-  %t217 = extractvalue { ptr, i64, i64 } %t214, 0
-  %t218 = getelementptr inbounds %S.gen.StructDef, ptr %t217, i64 %t213
-  %t219 = getelementptr inbounds %S.gen.StructDef, ptr %t218, i32 0, i32 8
-  store { ptr, i64, i64 } %t209, ptr %a220
-  call void @finch_str_copy(ptr %a221, ptr %a220)
-  %t222 = load { ptr, i64, i64 }, ptr %a221
-  store { ptr, i64, i64 } %t222, ptr %t219
-  %t223 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 5
-  %t224 = load i1, ptr %t223
-  br label %logic.from3957
-logic.from3957:
-  br i1 %t224, label %logic.rhs3958, label %logic.end3959
-logic.rhs3958:
-  %t225 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i32 0, i32 1
-  %t227 = load i64, ptr %t226
-  %t228 = icmp eq i64 %t227, 0
-  br label %logic.rend3960
-logic.rend3960:
-  br label %logic.end3959
-logic.end3959:
-  %t229 = phi i1 [ false, %logic.from3957 ], [ %t228, %logic.rend3960 ]
-  br i1 %t229, label %then3961, label %endif3963
-then3961:
-  %t230 = load ptr, ptr %a1
-  %t231 = icmp eq ptr %t230, null
-  br i1 %t231, label %panic3964, label %ok3965
-panic3964:
-  call void @finch_panic(ptr @.str.2456, i64 1634, ptr @.str.2457)
+inrange4176:
+  %t221 = extractvalue { ptr, i64, i64 } %t218, 0
+  %t222 = getelementptr inbounds %S.gen.StructDef, ptr %t221, i64 %t217
+  %t223 = getelementptr inbounds %S.gen.StructDef, ptr %t222, i32 0, i32 8
+  store { ptr, i64, i64 } %t213, ptr %a224
+  call void @finch_str_copy(ptr %a225, ptr %a224)
+  %t226 = load { ptr, i64, i64 }, ptr %a225
+  %t227 = load { ptr, i64, i64 }, ptr %t223
+  store { ptr, i64, i64 } %t226, ptr %t223
+  store { ptr, i64, i64 } %t227, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 5
+  %t230 = load i1, ptr %t229
+  br label %logic.from4177
+logic.from4177:
+  br i1 %t230, label %logic.rhs4178, label %logic.end4179
+logic.rhs4178:
+  %t231 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 4
+  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t231, i32 0, i32 1
+  %t233 = load i64, ptr %t232
+  %t234 = icmp eq i64 %t233, 0
+  br label %logic.rend4180
+logic.rend4180:
+  br label %logic.end4179
+logic.end4179:
+  %t235 = phi i1 [ false, %logic.from4177 ], [ %t234, %logic.rend4180 ]
+  br i1 %t235, label %then4181, label %endif4183
+then4181:
+  %t236 = load ptr, ptr %a1
+  %t237 = icmp eq ptr %t236, null
+  br i1 %t237, label %panic4184, label %ok4185
+panic4184:
+  call void @finch_panic(ptr @.str.2543, i64 1789, ptr @.str.2544)
   unreachable
-ok3965:
-  %t232 = getelementptr inbounds %S.gen.Gen, ptr %t230, i32 0, i32 15
-  %t233 = load i64, ptr %a2
-  %t234 = load { ptr, i64, i64 }, ptr %t232
-  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
-  %t236 = icmp uge i64 %t233, %t235
-  br i1 %t236, label %range3966, label %inrange3967
-range3966:
-  call void @finch_panic_index(ptr @.str.2458, i64 1634, i64 %t233, i64 %t235)
+ok4185:
+  %t238 = getelementptr inbounds %S.gen.Gen, ptr %t236, i32 0, i32 16
+  %t239 = load i64, ptr %a2
+  %t240 = load { ptr, i64, i64 }, ptr %t238
+  %t241 = extractvalue { ptr, i64, i64 } %t240, 1
+  %t242 = icmp uge i64 %t239, %t241
+  br i1 %t242, label %range4186, label %inrange4187
+range4186:
+  call void @finch_panic_index(ptr @.str.2545, i64 1789, i64 %t239, i64 %t241)
   unreachable
-inrange3967:
-  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
-  %t238 = getelementptr inbounds %S.gen.StructDef, ptr %t237, i64 %t233
-  %t239 = getelementptr inbounds %S.gen.StructDef, ptr %t238, i32 0, i32 8
-  store { ptr, i64, i64 } { ptr @.str.2455, i64 49, i64 0 }, ptr %t239
-  br label %endif3963
-endif3963:
-  %t240 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
-  %t241 = load i64, ptr %t240
-  %t242 = load ptr, ptr %a1
-  %t243 = icmp eq ptr %t242, null
-  br i1 %t243, label %panic3968, label %ok3969
-panic3968:
-  call void @finch_panic(ptr @.str.2459, i64 1636, ptr @.str.2460)
+inrange4187:
+  %t243 = extractvalue { ptr, i64, i64 } %t240, 0
+  %t244 = getelementptr inbounds %S.gen.StructDef, ptr %t243, i64 %t239
+  %t245 = getelementptr inbounds %S.gen.StructDef, ptr %t244, i32 0, i32 8
+  %t246 = load { ptr, i64, i64 }, ptr %t245
+  store { ptr, i64, i64 } { ptr @.str.2542, i64 49, i64 0 }, ptr %t245
+  store { ptr, i64, i64 } %t246, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  br label %endif4183
+endif4183:
+  %t248 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 2
+  %t249 = load i64, ptr %t248
+  %t250 = load ptr, ptr %a1
+  %t251 = icmp eq ptr %t250, null
+  br i1 %t251, label %panic4188, label %ok4189
+panic4188:
+  call void @finch_panic(ptr @.str.2546, i64 1791, ptr @.str.2547)
   unreachable
-ok3969:
-  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 15
-  %t245 = load i64, ptr %a2
-  %t246 = load { ptr, i64, i64 }, ptr %t244
-  %t247 = extractvalue { ptr, i64, i64 } %t246, 1
-  %t248 = icmp uge i64 %t245, %t247
-  br i1 %t248, label %range3970, label %inrange3971
-range3970:
-  call void @finch_panic_index(ptr @.str.2461, i64 1636, i64 %t245, i64 %t247)
+ok4189:
+  %t252 = getelementptr inbounds %S.gen.Gen, ptr %t250, i32 0, i32 16
+  %t253 = load i64, ptr %a2
+  %t254 = load { ptr, i64, i64 }, ptr %t252
+  %t255 = extractvalue { ptr, i64, i64 } %t254, 1
+  %t256 = icmp uge i64 %t253, %t255
+  br i1 %t256, label %range4190, label %inrange4191
+range4190:
+  call void @finch_panic_index(ptr @.str.2548, i64 1791, i64 %t253, i64 %t255)
   unreachable
-inrange3971:
-  %t249 = extractvalue { ptr, i64, i64 } %t246, 0
-  %t250 = getelementptr inbounds %S.gen.StructDef, ptr %t249, i64 %t245
-  %t251 = getelementptr inbounds %S.gen.StructDef, ptr %t250, i32 0, i32 9
-  store i64 %t241, ptr %t251
-  %t252 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 3
-  %t253 = load i64, ptr %t252
-  %t254 = load ptr, ptr %a1
-  %t255 = icmp eq ptr %t254, null
-  br i1 %t255, label %panic3972, label %ok3973
-panic3972:
-  call void @finch_panic(ptr @.str.2462, i64 1637, ptr @.str.2463)
+inrange4191:
+  %t257 = extractvalue { ptr, i64, i64 } %t254, 0
+  %t258 = getelementptr inbounds %S.gen.StructDef, ptr %t257, i64 %t253
+  %t259 = getelementptr inbounds %S.gen.StructDef, ptr %t258, i32 0, i32 9
+  store i64 %t249, ptr %t259
+  %t260 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 3
+  %t261 = load i64, ptr %t260
+  %t262 = load ptr, ptr %a1
+  %t263 = icmp eq ptr %t262, null
+  br i1 %t263, label %panic4192, label %ok4193
+panic4192:
+  call void @finch_panic(ptr @.str.2549, i64 1792, ptr @.str.2550)
   unreachable
-ok3973:
-  %t256 = getelementptr inbounds %S.gen.Gen, ptr %t254, i32 0, i32 15
-  %t257 = load i64, ptr %a2
-  %t258 = load { ptr, i64, i64 }, ptr %t256
-  %t259 = extractvalue { ptr, i64, i64 } %t258, 1
-  %t260 = icmp uge i64 %t257, %t259
-  br i1 %t260, label %range3974, label %inrange3975
-range3974:
-  call void @finch_panic_index(ptr @.str.2464, i64 1637, i64 %t257, i64 %t259)
+ok4193:
+  %t264 = getelementptr inbounds %S.gen.Gen, ptr %t262, i32 0, i32 16
+  %t265 = load i64, ptr %a2
+  %t266 = load { ptr, i64, i64 }, ptr %t264
+  %t267 = extractvalue { ptr, i64, i64 } %t266, 1
+  %t268 = icmp uge i64 %t265, %t267
+  br i1 %t268, label %range4194, label %inrange4195
+range4194:
+  call void @finch_panic_index(ptr @.str.2551, i64 1792, i64 %t265, i64 %t267)
   unreachable
-inrange3975:
-  %t261 = extractvalue { ptr, i64, i64 } %t258, 0
-  %t262 = getelementptr inbounds %S.gen.StructDef, ptr %t261, i64 %t257
-  %t263 = getelementptr inbounds %S.gen.StructDef, ptr %t262, i32 0, i32 10
-  store i64 %t253, ptr %t263
-  %t264 = load ptr, ptr %a1
-  %t265 = icmp eq ptr %t264, null
-  br i1 %t265, label %panic3976, label %ok3977
-panic3976:
-  call void @finch_panic(ptr @.str.2465, i64 1638, ptr @.str.2466)
+inrange4195:
+  %t269 = extractvalue { ptr, i64, i64 } %t266, 0
+  %t270 = getelementptr inbounds %S.gen.StructDef, ptr %t269, i64 %t265
+  %t271 = getelementptr inbounds %S.gen.StructDef, ptr %t270, i32 0, i32 10
+  store i64 %t261, ptr %t271
+  %t272 = load ptr, ptr %a1
+  %t273 = icmp eq ptr %t272, null
+  br i1 %t273, label %panic4196, label %ok4197
+panic4196:
+  call void @finch_panic(ptr @.str.2552, i64 1793, ptr @.str.2553)
   unreachable
-ok3977:
-  %t266 = getelementptr inbounds %S.gen.Gen, ptr %t264, i32 0, i32 15
-  %t267 = load i64, ptr %a2
-  %t268 = load { ptr, i64, i64 }, ptr %t266
-  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
-  %t270 = icmp uge i64 %t267, %t269
-  br i1 %t270, label %range3978, label %inrange3979
-range3978:
-  call void @finch_panic_index(ptr @.str.2467, i64 1638, i64 %t267, i64 %t269)
+ok4197:
+  %t274 = getelementptr inbounds %S.gen.Gen, ptr %t272, i32 0, i32 16
+  %t275 = load i64, ptr %a2
+  %t276 = load { ptr, i64, i64 }, ptr %t274
+  %t277 = extractvalue { ptr, i64, i64 } %t276, 1
+  %t278 = icmp uge i64 %t275, %t277
+  br i1 %t278, label %range4198, label %inrange4199
+range4198:
+  call void @finch_panic_index(ptr @.str.2554, i64 1793, i64 %t275, i64 %t277)
   unreachable
-inrange3979:
-  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
-  %t272 = getelementptr inbounds %S.gen.StructDef, ptr %t271, i64 %t267
-  %t273 = getelementptr inbounds %S.gen.StructDef, ptr %t272, i32 0, i32 15
-  store i64 2, ptr %t273
-  %t274 = load ptr, ptr %a1
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic3980, label %ok3981
-panic3980:
-  call void @finch_panic(ptr @.str.2468, i64 1639, ptr @.str.2469)
+inrange4199:
+  %t279 = extractvalue { ptr, i64, i64 } %t276, 0
+  %t280 = getelementptr inbounds %S.gen.StructDef, ptr %t279, i64 %t275
+  %t281 = getelementptr inbounds %S.gen.StructDef, ptr %t280, i32 0, i32 15
+  store i64 2, ptr %t281
+  %t282 = load ptr, ptr %a1
+  %t283 = icmp eq ptr %t282, null
+  br i1 %t283, label %panic4200, label %ok4201
+panic4200:
+  call void @finch_panic(ptr @.str.2555, i64 1794, ptr @.str.2556)
   unreachable
-ok3981:
-  %t276 = getelementptr inbounds %S.gen.Gen, ptr %t274, i32 0, i32 2
-  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %t276, i32 0, i32 1
-  %t278 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 0
-  %t279 = load { ptr, i64, i64 }, ptr %t278
-  store { ptr, i64, i64 } { ptr @.str.2470, i64 5, i64 0 }, ptr %a281
-  store { ptr, i64, i64 } %t279, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } %t283, ptr %a285
-  store { ptr, i64, i64 } { ptr @.str.2471, i64 10, i64 0 }, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2472, i64 2, i64 0 }, ptr %a289
-  call void @finch_str_join(ptr %a290, ptr %a43, ptr %a289)
-  %t291 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t287, ptr %a293
-  store { ptr, i64, i64 } %t291, ptr %a294
+ok4201:
+  %t284 = getelementptr inbounds %S.gen.Gen, ptr %t282, i32 0, i32 2
+  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i32 0, i32 1
+  %t286 = getelementptr inbounds %S.cimport.CStruct, ptr %a31, i32 0, i32 0
+  %t287 = load { ptr, i64, i64 }, ptr %t286
+  store { ptr, i64, i64 } { ptr @.str.2557, i64 5, i64 0 }, ptr %a289
+  store { ptr, i64, i64 } %t287, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a288
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.2558, i64 10, i64 0 }, ptr %a294
   call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
-  %t295 = load { ptr, i64, i64 }, ptr %a292
-  store { ptr, i64, i64 } %t295, ptr %a297
-  store { ptr, i64, i64 } { ptr @.str.2473, i64 2, i64 0 }, ptr %a298
-  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
-  %t299 = load { ptr, i64, i64 }, ptr %a296
-  %t300 = load i64, ptr %t277
-  %t301 = add i64 %t300, 1
-  call void @finch_arr_reserve(ptr %t276, i64 %t301, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t302 = load ptr, ptr %t276
-  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t302, i64 %t300
-  store { ptr, i64, i64 } %t299, ptr %t303
-  store i64 %t301, ptr %t277
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %a43, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2559, i64 2, i64 0 }, ptr %a298
+  call void @finch_str_join(ptr %a299, ptr %a43, ptr %a298)
+  %t300 = load { ptr, i64, i64 }, ptr %a299
+  store { ptr, i64, i64 } %t296, ptr %a302
+  store { ptr, i64, i64 } %t300, ptr %a303
+  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
+  store { ptr, i64, i64 } %t296, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  store { ptr, i64, i64 } %t300, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  %t306 = load { ptr, i64, i64 }, ptr %a301
+  store { ptr, i64, i64 } %t306, ptr %a308
+  store { ptr, i64, i64 } { ptr @.str.2560, i64 2, i64 0 }, ptr %a309
+  call void @finch_str_concat(ptr %a307, ptr %a308, ptr %a309)
+  store { ptr, i64, i64 } %t306, ptr %a310
+  call void @finch_str_drop(ptr %a310)
+  %t311 = load { ptr, i64, i64 }, ptr %a307
+  %t312 = load i64, ptr %t285
+  %t313 = add i64 %t312, 1
+  call void @finch_arr_reserve(ptr %t284, i64 %t313, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t314 = load ptr, ptr %t284
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i64 %t312
+  store { ptr, i64, i64 } %t311, ptr %t315
+  store i64 %t313, ptr %t285
+  call void @finch.drop.arr_str(ptr %a43)
+  call void @finch.drop.S_cimport_CStruct(ptr %a31)
   ret void
 }
 
@@ -37199,114 +43237,121 @@ entry:
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic3982, label %ok3983
-panic3982:
-  call void @finch_panic(ptr @.str.2474, i64 1643, ptr @.str.2475)
+  br i1 %t4, label %panic4202, label %ok4203
+panic4202:
+  call void @finch_panic(ptr @.str.2561, i64 1798, ptr @.str.2562)
   unreachable
-ok3983:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 15
+ok4203:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 16
   %t6 = load i64, ptr %a2
   %t7 = load { ptr, i64, i64 }, ptr %t5
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 %t6, %t8
-  br i1 %t9, label %range3984, label %inrange3985
-range3984:
-  call void @finch_panic_index(ptr @.str.2476, i64 1643, i64 %t6, i64 %t8)
+  br i1 %t9, label %range4204, label %inrange4205
+range4204:
+  call void @finch_panic_index(ptr @.str.2563, i64 1798, i64 %t6, i64 %t8)
   unreachable
-inrange3985:
+inrange4205:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.gen.StructDef, ptr %t10, i64 %t6
   %t12 = getelementptr inbounds %S.gen.StructDef, ptr %t11, i32 0, i32 15
   %t13 = load i64, ptr %t12
   %t14 = icmp eq i64 %t13, 2
-  br i1 %t14, label %then3986, label %endif3988
-then3986:
+  br i1 %t14, label %then4206, label %endif4208
+then4206:
   ret void
-endif3988:
+endif4208:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic3989, label %ok3990
-panic3989:
-  call void @finch_panic(ptr @.str.2477, i64 1646, ptr @.str.2478)
+  br i1 %t16, label %panic4209, label %ok4210
+panic4209:
+  call void @finch_panic(ptr @.str.2564, i64 1801, ptr @.str.2565)
   unreachable
-ok3990:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 15
+ok4210:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 16
   %t18 = load i64, ptr %a2
   %t19 = load { ptr, i64, i64 }, ptr %t17
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range3991, label %inrange3992
-range3991:
-  call void @finch_panic_index(ptr @.str.2479, i64 1646, i64 %t18, i64 %t20)
+  br i1 %t21, label %range4211, label %inrange4212
+range4211:
+  call void @finch_panic_index(ptr @.str.2566, i64 1801, i64 %t18, i64 %t20)
   unreachable
-inrange3992:
+inrange4212:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds %S.gen.StructDef, ptr %t22, i64 %t18
   %t24 = getelementptr inbounds %S.gen.StructDef, ptr %t23, i32 0, i32 2
   %t25 = load i1, ptr %t24
-  br i1 %t25, label %then3993, label %endif3995
-then3993:
+  br i1 %t25, label %then4213, label %endif4215
+then4213:
   %t26 = load ptr, ptr %a1
   %t27 = load i64, ptr %a2
   call void @finch.gen.resolveCStruct(ptr %t26, i64 %t27)
   ret void
-endif3995:
+endif4215:
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic3996, label %ok3997
-panic3996:
-  call void @finch_panic(ptr @.str.2480, i64 1650, ptr @.str.2481)
+  br i1 %t29, label %panic4216, label %ok4217
+panic4216:
+  call void @finch_panic(ptr @.str.2567, i64 1805, ptr @.str.2568)
   unreachable
-ok3997:
-  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 15
+ok4217:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 16
   %t31 = load i64, ptr %a2
   %t32 = load { ptr, i64, i64 }, ptr %t30
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range3998, label %inrange3999
-range3998:
-  call void @finch_panic_index(ptr @.str.2482, i64 1650, i64 %t31, i64 %t33)
+  br i1 %t34, label %range4218, label %inrange4219
+range4218:
+  call void @finch_panic_index(ptr @.str.2569, i64 1805, i64 %t31, i64 %t33)
   unreachable
-inrange3999:
+inrange4219:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.StructDef, ptr %t35, i64 %t31
   %t37 = getelementptr inbounds %S.gen.StructDef, ptr %t36, i32 0, i32 5
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i32 0, i32 1
   %t39 = load i64, ptr %t38
   %t40 = icmp eq i64 %t39, 0
-  br i1 %t40, label %then4000, label %endif4002
-then4000:
+  br i1 %t40, label %then4220, label %endif4222
+then4220:
   %t41 = load ptr, ptr %a1
   %t42 = load i64, ptr %a2
   call void @finch.gen.resolveStructBody(ptr %t41, i64 %t42)
   ret void
-endif4002:
+endif4222:
   %t43 = load ptr, ptr %a1
   %t44 = icmp eq ptr %t43, null
-  br i1 %t44, label %panic4003, label %ok4004
-panic4003:
-  call void @finch_panic(ptr @.str.2483, i64 1655, ptr @.str.2484)
+  br i1 %t44, label %panic4223, label %ok4224
+panic4223:
+  call void @finch_panic(ptr @.str.2570, i64 1810, ptr @.str.2571)
   unreachable
-ok4004:
-  %t45 = getelementptr inbounds %S.gen.Gen, ptr %t43, i32 0, i32 17
+ok4224:
+  %t45 = getelementptr inbounds %S.gen.Gen, ptr %t43, i32 0, i32 18
   %t46 = load { ptr, i64, i64 }, ptr %t45
   store { ptr, i64, i64 } %t46, ptr %a47
   call void @finch.copy.arr_str(ptr %a48, ptr %a47)
@@ -37314,12 +43359,12 @@ ok4004:
   store { ptr, i64, i64 } %t49, ptr %a50
   %t51 = load ptr, ptr %a1
   %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic4005, label %ok4006
-panic4005:
-  call void @finch_panic(ptr @.str.2485, i64 1656, ptr @.str.2486)
+  br i1 %t52, label %panic4225, label %ok4226
+panic4225:
+  call void @finch_panic(ptr @.str.2572, i64 1811, ptr @.str.2573)
   unreachable
-ok4006:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 18
+ok4226:
+  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 19
   %t54 = load { ptr, i64, i64 }, ptr %t53
   store { ptr, i64, i64 } %t54, ptr %a55
   call void @finch.copy.arr_S_ast_Type(ptr %a56, ptr %a55)
@@ -37327,12 +43372,12 @@ ok4006:
   store { ptr, i64, i64 } %t57, ptr %a58
   %t59 = load ptr, ptr %a1
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic4007, label %ok4008
-panic4007:
-  call void @finch_panic(ptr @.str.2487, i64 1657, ptr @.str.2488)
+  br i1 %t60, label %panic4227, label %ok4228
+panic4227:
+  call void @finch_panic(ptr @.str.2574, i64 1812, ptr @.str.2575)
   unreachable
-ok4008:
-  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 19
+ok4228:
+  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 20
   %t62 = load { ptr, i64, i64 }, ptr %t61
   store { ptr, i64, i64 } %t62, ptr %a63
   call void @finch_str_copy(ptr %a64, ptr %a63)
@@ -37340,150 +43385,173 @@ ok4008:
   store { ptr, i64, i64 } %t65, ptr %a66
   %t67 = load ptr, ptr %a1
   %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic4009, label %ok4010
-panic4009:
-  call void @finch_panic(ptr @.str.2489, i64 1658, ptr @.str.2490)
+  br i1 %t68, label %panic4229, label %ok4230
+panic4229:
+  call void @finch_panic(ptr @.str.2576, i64 1813, ptr @.str.2577)
   unreachable
-ok4010:
-  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 15
+ok4230:
+  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 16
   %t70 = load i64, ptr %a2
   %t71 = load { ptr, i64, i64 }, ptr %t69
   %t72 = extractvalue { ptr, i64, i64 } %t71, 1
   %t73 = icmp uge i64 %t70, %t72
-  br i1 %t73, label %range4011, label %inrange4012
-range4011:
-  call void @finch_panic_index(ptr @.str.2491, i64 1658, i64 %t70, i64 %t72)
+  br i1 %t73, label %range4231, label %inrange4232
+range4231:
+  call void @finch_panic_index(ptr @.str.2578, i64 1813, i64 %t70, i64 %t72)
   unreachable
-inrange4012:
+inrange4232:
   %t74 = extractvalue { ptr, i64, i64 } %t71, 0
   %t75 = getelementptr inbounds %S.gen.StructDef, ptr %t74, i64 %t70
   %t76 = getelementptr inbounds %S.gen.StructDef, ptr %t75, i32 0, i32 6
   %t77 = load { ptr, i64, i64 }, ptr %t76
   %t78 = load ptr, ptr %a1
   %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic4013, label %ok4014
-panic4013:
-  call void @finch_panic(ptr @.str.2492, i64 1658, ptr @.str.2493)
+  br i1 %t79, label %panic4233, label %ok4234
+panic4233:
+  call void @finch_panic(ptr @.str.2579, i64 1813, ptr @.str.2580)
   unreachable
-ok4014:
-  %t80 = getelementptr inbounds %S.gen.Gen, ptr %t78, i32 0, i32 17
+ok4234:
+  %t80 = getelementptr inbounds %S.gen.Gen, ptr %t78, i32 0, i32 18
   store { ptr, i64, i64 } %t77, ptr %a81
   call void @finch.copy.arr_str(ptr %a82, ptr %a81)
   %t83 = load { ptr, i64, i64 }, ptr %a82
+  %t84 = load { ptr, i64, i64 }, ptr %t80
   store { ptr, i64, i64 } %t83, ptr %t80
-  %t84 = load ptr, ptr %a1
-  %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic4015, label %ok4016
-panic4015:
-  call void @finch_panic(ptr @.str.2494, i64 1659, ptr @.str.2495)
+  store { ptr, i64, i64 } %t84, ptr %a85
+  call void @finch.drop.arr_str(ptr %a85)
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic4235, label %ok4236
+panic4235:
+  call void @finch_panic(ptr @.str.2581, i64 1814, ptr @.str.2582)
   unreachable
-ok4016:
-  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 15
-  %t87 = load i64, ptr %a2
-  %t88 = load { ptr, i64, i64 }, ptr %t86
-  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
-  %t90 = icmp uge i64 %t87, %t89
-  br i1 %t90, label %range4017, label %inrange4018
-range4017:
-  call void @finch_panic_index(ptr @.str.2496, i64 1659, i64 %t87, i64 %t89)
+ok4236:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 16
+  %t89 = load i64, ptr %a2
+  %t90 = load { ptr, i64, i64 }, ptr %t88
+  %t91 = extractvalue { ptr, i64, i64 } %t90, 1
+  %t92 = icmp uge i64 %t89, %t91
+  br i1 %t92, label %range4237, label %inrange4238
+range4237:
+  call void @finch_panic_index(ptr @.str.2583, i64 1814, i64 %t89, i64 %t91)
   unreachable
-inrange4018:
-  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
-  %t92 = getelementptr inbounds %S.gen.StructDef, ptr %t91, i64 %t87
-  %t93 = getelementptr inbounds %S.gen.StructDef, ptr %t92, i32 0, i32 7
-  %t94 = load { ptr, i64, i64 }, ptr %t93
-  %t95 = load ptr, ptr %a1
-  %t96 = icmp eq ptr %t95, null
-  br i1 %t96, label %panic4019, label %ok4020
-panic4019:
-  call void @finch_panic(ptr @.str.2497, i64 1659, ptr @.str.2498)
+inrange4238:
+  %t93 = extractvalue { ptr, i64, i64 } %t90, 0
+  %t94 = getelementptr inbounds %S.gen.StructDef, ptr %t93, i64 %t89
+  %t95 = getelementptr inbounds %S.gen.StructDef, ptr %t94, i32 0, i32 7
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  %t97 = load ptr, ptr %a1
+  %t98 = icmp eq ptr %t97, null
+  br i1 %t98, label %panic4239, label %ok4240
+panic4239:
+  call void @finch_panic(ptr @.str.2584, i64 1814, ptr @.str.2585)
   unreachable
-ok4020:
-  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 18
-  store { ptr, i64, i64 } %t94, ptr %a98
-  call void @finch.copy.arr_S_ast_Type(ptr %a99, ptr %a98)
-  %t100 = load { ptr, i64, i64 }, ptr %a99
-  store { ptr, i64, i64 } %t100, ptr %t97
-  %t101 = load ptr, ptr %a1
-  %t102 = icmp eq ptr %t101, null
-  br i1 %t102, label %panic4021, label %ok4022
-panic4021:
-  call void @finch_panic(ptr @.str.2500, i64 1660, ptr @.str.2501)
+ok4240:
+  %t99 = getelementptr inbounds %S.gen.Gen, ptr %t97, i32 0, i32 19
+  store { ptr, i64, i64 } %t96, ptr %a100
+  call void @finch.copy.arr_S_ast_Type(ptr %a101, ptr %a100)
+  %t102 = load { ptr, i64, i64 }, ptr %a101
+  %t103 = load { ptr, i64, i64 }, ptr %t99
+  store { ptr, i64, i64 } %t102, ptr %t99
+  store { ptr, i64, i64 } %t103, ptr %a104
+  call void @finch.drop.arr_S_ast_Type(ptr %a104)
+  %t105 = load ptr, ptr %a1
+  %t106 = icmp eq ptr %t105, null
+  br i1 %t106, label %panic4241, label %ok4242
+panic4241:
+  call void @finch_panic(ptr @.str.2587, i64 1815, ptr @.str.2588)
   unreachable
-ok4022:
-  %t103 = getelementptr inbounds %S.gen.Gen, ptr %t101, i32 0, i32 15
-  %t104 = load i64, ptr %a2
-  %t105 = load { ptr, i64, i64 }, ptr %t103
-  %t106 = extractvalue { ptr, i64, i64 } %t105, 1
-  %t107 = icmp uge i64 %t104, %t106
-  br i1 %t107, label %range4023, label %inrange4024
-range4023:
-  call void @finch_panic_index(ptr @.str.2502, i64 1660, i64 %t104, i64 %t106)
+ok4242:
+  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 16
+  %t108 = load i64, ptr %a2
+  %t109 = load { ptr, i64, i64 }, ptr %t107
+  %t110 = extractvalue { ptr, i64, i64 } %t109, 1
+  %t111 = icmp uge i64 %t108, %t110
+  br i1 %t111, label %range4243, label %inrange4244
+range4243:
+  call void @finch_panic_index(ptr @.str.2589, i64 1815, i64 %t108, i64 %t110)
   unreachable
-inrange4024:
-  %t108 = extractvalue { ptr, i64, i64 } %t105, 0
-  %t109 = getelementptr inbounds %S.gen.StructDef, ptr %t108, i64 %t104
-  %t110 = getelementptr inbounds %S.gen.StructDef, ptr %t109, i32 0, i32 1
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } { ptr @.str.2499, i64 17, i64 0 }, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.2503, i64 1, i64 0 }, ptr %a118
+inrange4244:
+  %t112 = extractvalue { ptr, i64, i64 } %t109, 0
+  %t113 = getelementptr inbounds %S.gen.StructDef, ptr %t112, i64 %t108
+  %t114 = getelementptr inbounds %S.gen.StructDef, ptr %t113, i32 0, i32 1
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } { ptr @.str.2586, i64 17, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
   call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
   %t119 = load { ptr, i64, i64 }, ptr %a116
-  %t120 = load ptr, ptr %a1
-  %t121 = icmp eq ptr %t120, null
-  br i1 %t121, label %panic4025, label %ok4026
-panic4025:
-  call void @finch_panic(ptr @.str.2504, i64 1660, ptr @.str.2505)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.2590, i64 1, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = load ptr, ptr %a1
+  %t126 = icmp eq ptr %t125, null
+  br i1 %t126, label %panic4245, label %ok4246
+panic4245:
+  call void @finch_panic(ptr @.str.2591, i64 1815, ptr @.str.2592)
   unreachable
-ok4026:
-  %t122 = getelementptr inbounds %S.gen.Gen, ptr %t120, i32 0, i32 19
-  store { ptr, i64, i64 } %t119, ptr %t122
-  %t123 = load ptr, ptr %a1
-  %t124 = load i64, ptr %a2
-  call void @finch.gen.resolveStructBody(ptr %t123, i64 %t124)
-  %t125 = load { ptr, i64, i64 }, ptr %a50
-  %t126 = load ptr, ptr %a1
-  %t127 = icmp eq ptr %t126, null
-  br i1 %t127, label %panic4027, label %ok4028
-panic4027:
-  call void @finch_panic(ptr @.str.2506, i64 1662, ptr @.str.2507)
-  unreachable
-ok4028:
-  %t128 = getelementptr inbounds %S.gen.Gen, ptr %t126, i32 0, i32 17
-  store { ptr, i64, i64 } %t125, ptr %a129
-  call void @finch.copy.arr_str(ptr %a130, ptr %a129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t131, ptr %t128
-  %t132 = load { ptr, i64, i64 }, ptr %a58
+ok4246:
+  %t127 = getelementptr inbounds %S.gen.Gen, ptr %t125, i32 0, i32 20
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t124, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load ptr, ptr %a1
+  %t131 = load i64, ptr %a2
+  call void @finch.gen.resolveStructBody(ptr %t130, i64 %t131)
+  %t132 = load { ptr, i64, i64 }, ptr %a50
   %t133 = load ptr, ptr %a1
   %t134 = icmp eq ptr %t133, null
-  br i1 %t134, label %panic4029, label %ok4030
-panic4029:
-  call void @finch_panic(ptr @.str.2508, i64 1663, ptr @.str.2509)
+  br i1 %t134, label %panic4247, label %ok4248
+panic4247:
+  call void @finch_panic(ptr @.str.2593, i64 1817, ptr @.str.2594)
   unreachable
-ok4030:
+ok4248:
   %t135 = getelementptr inbounds %S.gen.Gen, ptr %t133, i32 0, i32 18
   store { ptr, i64, i64 } %t132, ptr %a136
-  call void @finch.copy.arr_S_ast_Type(ptr %a137, ptr %a136)
+  call void @finch.copy.arr_str(ptr %a137, ptr %a136)
   %t138 = load { ptr, i64, i64 }, ptr %a137
+  %t139 = load { ptr, i64, i64 }, ptr %t135
   store { ptr, i64, i64 } %t138, ptr %t135
-  %t139 = load { ptr, i64, i64 }, ptr %a66
-  %t140 = load ptr, ptr %a1
-  %t141 = icmp eq ptr %t140, null
-  br i1 %t141, label %panic4031, label %ok4032
-panic4031:
-  call void @finch_panic(ptr @.str.2510, i64 1664, ptr @.str.2511)
+  store { ptr, i64, i64 } %t139, ptr %a140
+  call void @finch.drop.arr_str(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a58
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic4249, label %ok4250
+panic4249:
+  call void @finch_panic(ptr @.str.2595, i64 1818, ptr @.str.2596)
   unreachable
-ok4032:
-  %t142 = getelementptr inbounds %S.gen.Gen, ptr %t140, i32 0, i32 19
-  store { ptr, i64, i64 } %t139, ptr %a143
-  call void @finch_str_copy(ptr %a144, ptr %a143)
-  %t145 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t145, ptr %t142
+ok4250:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 19
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch.copy.arr_S_ast_Type(ptr %a146, ptr %a145)
+  %t147 = load { ptr, i64, i64 }, ptr %a146
+  %t148 = load { ptr, i64, i64 }, ptr %t144
+  store { ptr, i64, i64 } %t147, ptr %t144
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch.drop.arr_S_ast_Type(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a66
+  %t151 = load ptr, ptr %a1
+  %t152 = icmp eq ptr %t151, null
+  br i1 %t152, label %panic4251, label %ok4252
+panic4251:
+  call void @finch_panic(ptr @.str.2597, i64 1819, ptr @.str.2598)
+  unreachable
+ok4252:
+  %t153 = getelementptr inbounds %S.gen.Gen, ptr %t151, i32 0, i32 20
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_copy(ptr %a155, ptr %a154)
+  %t156 = load { ptr, i64, i64 }, ptr %a155
+  %t157 = load { ptr, i64, i64 }, ptr %t153
+  store { ptr, i64, i64 } %t156, ptr %t153
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  call void @finch_str_drop(ptr %a66)
+  call void @finch.drop.arr_S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a50)
   ret void
 }
 
@@ -37500,83 +43568,99 @@ entry:
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca i1, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca i64, align 16
-  %a134 = alloca %S.ast.Node, align 16
-  %a140 = alloca %S.ast.Type, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca %S.ast.Type, align 16
-  %a214 = alloca %S.ast.Type, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a301 = alloca { ptr, i64, i64 }, align 16
-  %a302 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca i1, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca i64, align 16
+  %a142 = alloca %S.ast.Node, align 16
+  %a148 = alloca %S.ast.Type, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca %S.ast.Type, align 16
+  %a222 = alloca %S.ast.Type, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4033, label %ok4034
-panic4033:
-  call void @finch_panic(ptr @.str.2512, i64 1668, ptr @.str.2513)
+  br i1 %t4, label %panic4253, label %ok4254
+panic4253:
+  call void @finch_panic(ptr @.str.2599, i64 1823, ptr @.str.2600)
   unreachable
-ok4034:
+ok4254:
   %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 0
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic4035, label %ok4036
-panic4035:
-  call void @finch_panic(ptr @.str.2514, i64 1668, ptr @.str.2515)
+  br i1 %t7, label %panic4255, label %ok4256
+panic4255:
+  call void @finch_panic(ptr @.str.2601, i64 1823, ptr @.str.2602)
   unreachable
-ok4036:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 15
+ok4256:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
   %t9 = load i64, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range4037, label %inrange4038
-range4037:
-  call void @finch_panic_index(ptr @.str.2516, i64 1668, i64 %t9, i64 %t11)
+  br i1 %t12, label %range4257, label %inrange4258
+range4257:
+  call void @finch_panic_index(ptr @.str.2603, i64 1823, i64 %t9, i64 %t11)
   unreachable
-inrange4038:
+inrange4258:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.StructDef, ptr %t13, i64 %t9
   %t15 = getelementptr inbounds %S.gen.StructDef, ptr %t14, i32 0, i32 13
@@ -37584,31 +43668,31 @@ inrange4038:
   %t17 = load { ptr, i64, i64 }, ptr %t5
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 %t16, %t18
-  br i1 %t19, label %range4039, label %inrange4040
-range4039:
-  call void @finch_panic_index(ptr @.str.2517, i64 1668, i64 %t16, i64 %t18)
+  br i1 %t19, label %range4259, label %inrange4260
+range4259:
+  call void @finch_panic_index(ptr @.str.2604, i64 1823, i64 %t16, i64 %t18)
   unreachable
-inrange4040:
+inrange4260:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.ast.Program, ptr %t20, i64 %t16
   %t22 = getelementptr inbounds %S.ast.Program, ptr %t21, i32 0, i32 6
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic4041, label %ok4042
-panic4041:
-  call void @finch_panic(ptr @.str.2518, i64 1668, ptr @.str.2519)
+  br i1 %t24, label %panic4261, label %ok4262
+panic4261:
+  call void @finch_panic(ptr @.str.2605, i64 1823, ptr @.str.2606)
   unreachable
-ok4042:
-  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 15
+ok4262:
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 16
   %t26 = load i64, ptr %a2
   %t27 = load { ptr, i64, i64 }, ptr %t25
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 %t26, %t28
-  br i1 %t29, label %range4043, label %inrange4044
-range4043:
-  call void @finch_panic_index(ptr @.str.2520, i64 1668, i64 %t26, i64 %t28)
+  br i1 %t29, label %range4263, label %inrange4264
+range4263:
+  call void @finch_panic_index(ptr @.str.2607, i64 1823, i64 %t26, i64 %t28)
   unreachable
-inrange4044:
+inrange4264:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.gen.StructDef, ptr %t30, i64 %t26
   %t32 = getelementptr inbounds %S.gen.StructDef, ptr %t31, i32 0, i32 14
@@ -37616,11 +43700,11 @@ inrange4044:
   %t34 = load { ptr, i64, i64 }, ptr %t22
   %t35 = extractvalue { ptr, i64, i64 } %t34, 1
   %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range4045, label %inrange4046
-range4045:
-  call void @finch_panic_index(ptr @.str.2521, i64 1668, i64 %t33, i64 %t35)
+  br i1 %t36, label %range4265, label %inrange4266
+range4265:
+  call void @finch_panic_index(ptr @.str.2608, i64 1823, i64 %t33, i64 %t35)
   unreachable
-inrange4046:
+inrange4266:
   %t37 = extractvalue { ptr, i64, i64 } %t34, 0
   %t38 = getelementptr inbounds %S.ast.Node, ptr %t37, i64 %t33
   %t39 = load %S.ast.Node, ptr %t38
@@ -37630,455 +43714,493 @@ inrange4046:
   store %S.ast.Node %t42, ptr %a43
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic4047, label %ok4048
-panic4047:
-  call void @finch_panic(ptr @.str.2522, i64 1669, ptr @.str.2523)
+  br i1 %t45, label %panic4267, label %ok4268
+panic4267:
+  call void @finch_panic(ptr @.str.2609, i64 1824, ptr @.str.2610)
   unreachable
-ok4048:
-  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 15
+ok4268:
+  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 16
   %t47 = load i64, ptr %a2
   %t48 = load { ptr, i64, i64 }, ptr %t46
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range4049, label %inrange4050
-range4049:
-  call void @finch_panic_index(ptr @.str.2524, i64 1669, i64 %t47, i64 %t49)
+  br i1 %t50, label %range4269, label %inrange4270
+range4269:
+  call void @finch_panic_index(ptr @.str.2611, i64 1824, i64 %t47, i64 %t49)
   unreachable
-inrange4050:
+inrange4270:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds %S.gen.StructDef, ptr %t51, i64 %t47
   %t53 = getelementptr inbounds %S.gen.StructDef, ptr %t52, i32 0, i32 15
   %t54 = load i64, ptr %t53
   %t55 = icmp eq i64 %t54, 1
-  br i1 %t55, label %then4051, label %endif4053
-then4051:
+  br i1 %t55, label %then4271, label %endif4273
+then4271:
   %t56 = load ptr, ptr %a1
   %t57 = load %S.ast.Node, ptr %a43
   %t58 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
   %t59 = load { ptr, i64, i64 }, ptr %t58
-  store { ptr, i64, i64 } { ptr @.str.2525, i64 11, i64 0 }, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.2612, i64 11, i64 0 }, ptr %a61
   store { ptr, i64, i64 } %t59, ptr %a62
   call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
   %t63 = load { ptr, i64, i64 }, ptr %a60
   store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.2526, i64 26, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2613, i64 26, i64 0 }, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  store { ptr, i64, i64 } %t67, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.2527, i64 7, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  store { ptr, i64, i64 } %t77, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.2528, i64 15, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  call void @finch.gen.fail(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t87)
-  br label %endif4053
-endif4053:
-  %t88 = load ptr, ptr %a1
-  %t89 = icmp eq ptr %t88, null
-  br i1 %t89, label %panic4054, label %ok4055
-panic4054:
-  call void @finch_panic(ptr @.str.2529, i64 1672, ptr @.str.2530)
+  store { ptr, i64, i64 } %t63, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a64
+  %t69 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
+  %t70 = load { ptr, i64, i64 }, ptr %t69
+  store { ptr, i64, i64 } %t68, ptr %a72
+  store { ptr, i64, i64 } %t70, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t68, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } %t75, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.2614, i64 7, i64 0 }, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 1
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  store { ptr, i64, i64 } %t80, ptr %a84
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t80, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.2615, i64 15, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  call void @finch.gen.fail(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } %t92, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  br label %endif4273
+endif4273:
+  %t94 = load ptr, ptr %a1
+  %t95 = icmp eq ptr %t94, null
+  br i1 %t95, label %panic4274, label %ok4275
+panic4274:
+  call void @finch_panic(ptr @.str.2616, i64 1827, ptr @.str.2617)
   unreachable
-ok4055:
-  %t90 = getelementptr inbounds %S.gen.Gen, ptr %t88, i32 0, i32 15
-  %t91 = load i64, ptr %a2
-  %t92 = load { ptr, i64, i64 }, ptr %t90
-  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
-  %t94 = icmp uge i64 %t91, %t93
-  br i1 %t94, label %range4056, label %inrange4057
-range4056:
-  call void @finch_panic_index(ptr @.str.2531, i64 1672, i64 %t91, i64 %t93)
+ok4275:
+  %t96 = getelementptr inbounds %S.gen.Gen, ptr %t94, i32 0, i32 16
+  %t97 = load i64, ptr %a2
+  %t98 = load { ptr, i64, i64 }, ptr %t96
+  %t99 = extractvalue { ptr, i64, i64 } %t98, 1
+  %t100 = icmp uge i64 %t97, %t99
+  br i1 %t100, label %range4276, label %inrange4277
+range4276:
+  call void @finch_panic_index(ptr @.str.2618, i64 1827, i64 %t97, i64 %t99)
   unreachable
-inrange4057:
-  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
-  %t96 = getelementptr inbounds %S.gen.StructDef, ptr %t95, i64 %t91
-  %t97 = getelementptr inbounds %S.gen.StructDef, ptr %t96, i32 0, i32 15
-  store i64 1, ptr %t97
-  %t98 = load ptr, ptr %a1
-  %t99 = icmp eq ptr %t98, null
-  br i1 %t99, label %panic4058, label %ok4059
-panic4058:
-  call void @finch_panic(ptr @.str.2532, i64 1673, ptr @.str.2533)
+inrange4277:
+  %t101 = extractvalue { ptr, i64, i64 } %t98, 0
+  %t102 = getelementptr inbounds %S.gen.StructDef, ptr %t101, i64 %t97
+  %t103 = getelementptr inbounds %S.gen.StructDef, ptr %t102, i32 0, i32 15
+  store i64 1, ptr %t103
+  %t104 = load ptr, ptr %a1
+  %t105 = icmp eq ptr %t104, null
+  br i1 %t105, label %panic4278, label %ok4279
+panic4278:
+  call void @finch_panic(ptr @.str.2619, i64 1828, ptr @.str.2620)
   unreachable
-ok4059:
-  %t100 = getelementptr inbounds %S.gen.Gen, ptr %t98, i32 0, i32 13
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  store { ptr, i64, i64 } %t101, ptr %a102
-  call void @finch_str_copy(ptr %a103, ptr %a102)
-  %t104 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } %t104, ptr %a105
-  %t106 = load ptr, ptr %a1
-  %t107 = icmp eq ptr %t106, null
-  br i1 %t107, label %panic4060, label %ok4061
-panic4060:
-  call void @finch_panic(ptr @.str.2534, i64 1674, ptr @.str.2535)
+ok4279:
+  %t106 = getelementptr inbounds %S.gen.Gen, ptr %t104, i32 0, i32 14
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t107, ptr %a108
+  call void @finch_str_copy(ptr %a109, ptr %a108)
+  %t110 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  %t112 = load ptr, ptr %a1
+  %t113 = icmp eq ptr %t112, null
+  br i1 %t113, label %panic4280, label %ok4281
+panic4280:
+  call void @finch_panic(ptr @.str.2621, i64 1829, ptr @.str.2622)
   unreachable
-ok4061:
-  %t108 = getelementptr inbounds %S.gen.Gen, ptr %t106, i32 0, i32 15
-  %t109 = load i64, ptr %a2
-  %t110 = load { ptr, i64, i64 }, ptr %t108
-  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
-  %t112 = icmp uge i64 %t109, %t111
-  br i1 %t112, label %range4062, label %inrange4063
-range4062:
-  call void @finch_panic_index(ptr @.str.2536, i64 1674, i64 %t109, i64 %t111)
+ok4281:
+  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 16
+  %t115 = load i64, ptr %a2
+  %t116 = load { ptr, i64, i64 }, ptr %t114
+  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
+  %t118 = icmp uge i64 %t115, %t117
+  br i1 %t118, label %range4282, label %inrange4283
+range4282:
+  call void @finch_panic_index(ptr @.str.2623, i64 1829, i64 %t115, i64 %t117)
   unreachable
-inrange4063:
-  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
-  %t114 = getelementptr inbounds %S.gen.StructDef, ptr %t113, i64 %t109
-  %t115 = getelementptr inbounds %S.gen.StructDef, ptr %t114, i32 0, i32 0
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  %t117 = load ptr, ptr %a1
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic4064, label %ok4065
-panic4064:
-  call void @finch_panic(ptr @.str.2537, i64 1674, ptr @.str.2538)
+inrange4283:
+  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
+  %t120 = getelementptr inbounds %S.gen.StructDef, ptr %t119, i64 %t115
+  %t121 = getelementptr inbounds %S.gen.StructDef, ptr %t120, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  %t123 = load ptr, ptr %a1
+  %t124 = icmp eq ptr %t123, null
+  br i1 %t124, label %panic4284, label %ok4285
+panic4284:
+  call void @finch_panic(ptr @.str.2624, i64 1829, ptr @.str.2625)
   unreachable
-ok4065:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 13
-  store { ptr, i64, i64 } %t116, ptr %a120
-  call void @finch_str_copy(ptr %a121, ptr %a120)
-  %t122 = load { ptr, i64, i64 }, ptr %a121
-  store { ptr, i64, i64 } %t122, ptr %t119
-  store i1 false, ptr %a123
-  store { ptr, i64, i64 } zeroinitializer, ptr %a124
-  %t125 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 9
-  store i64 0, ptr %a126
-  br label %each.cond4066
-each.cond4066:
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t125, i32 0, i32 1
-  %t128 = load i64, ptr %t127
-  %t129 = load i64, ptr %a126
-  %t130 = icmp slt i64 %t129, %t128
-  br i1 %t130, label %each.body4067, label %each.end4069
-each.body4067:
-  %t131 = load ptr, ptr %t125
-  %t132 = getelementptr inbounds %S.ast.Node, ptr %t131, i64 %t129
-  %t133 = load %S.ast.Node, ptr %t132
-  store %S.ast.Node %t133, ptr %a134
-  %t135 = load ptr, ptr %a1
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %a134, i32 0, i32 5
-  %t137 = load %S.ast.Type, ptr %t136
-  %t138 = load %S.ast.Node, ptr %a134
-  %t139 = call %S.ast.Type @finch.gen.resolve(ptr %t135, %S.ast.Type %t137, %S.ast.Node %t138)
-  store %S.ast.Type %t139, ptr %a140
-  %t141 = getelementptr inbounds %S.ast.Type, ptr %a140, i32 0, i32 0
-  %t142 = load { ptr, i64, i64 }, ptr %t141
-  store { ptr, i64, i64 } %t142, ptr %a143
-  store { ptr, i64, i64 } { ptr @.str.2539, i64 6, i64 0 }, ptr %a144
-  %t145 = call i32 @finch_str_eq(ptr %a143, ptr %a144)
-  %t146 = icmp ne i32 %t145, 0
-  br i1 %t146, label %then4070, label %endif4072
-then4070:
-  %t147 = load ptr, ptr %a1
-  %t148 = load ptr, ptr %a1
-  %t149 = getelementptr inbounds %S.ast.Type, ptr %a140, i32 0, i32 3
+ok4285:
+  %t125 = getelementptr inbounds %S.gen.Gen, ptr %t123, i32 0, i32 14
+  store { ptr, i64, i64 } %t122, ptr %a126
+  call void @finch_str_copy(ptr %a127, ptr %a126)
+  %t128 = load { ptr, i64, i64 }, ptr %a127
+  %t129 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t128, ptr %t125
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  store i1 false, ptr %a131
+  store { ptr, i64, i64 } zeroinitializer, ptr %a132
+  %t133 = getelementptr inbounds %S.ast.Node, ptr %a43, i32 0, i32 9
+  store i64 0, ptr %a134
+  br label %each.cond4286
+each.cond4286:
+  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t136 = load i64, ptr %t135
+  %t137 = load i64, ptr %a134
+  %t138 = icmp slt i64 %t137, %t136
+  br i1 %t138, label %each.body4287, label %each.end4289
+each.body4287:
+  %t139 = load ptr, ptr %t133
+  %t140 = getelementptr inbounds %S.ast.Node, ptr %t139, i64 %t137
+  %t141 = load %S.ast.Node, ptr %t140
+  store %S.ast.Node %t141, ptr %a142
+  %t143 = load ptr, ptr %a1
+  %t144 = getelementptr inbounds %S.ast.Node, ptr %a142, i32 0, i32 5
+  %t145 = load %S.ast.Type, ptr %t144
+  %t146 = load %S.ast.Node, ptr %a142
+  %t147 = call %S.ast.Type @finch.gen.resolve(ptr %t143, %S.ast.Type %t145, %S.ast.Node %t146)
+  store %S.ast.Type %t147, ptr %a148
+  %t149 = getelementptr inbounds %S.ast.Type, ptr %a148, i32 0, i32 0
   %t150 = load { ptr, i64, i64 }, ptr %t149
-  %t151 = getelementptr inbounds %S.ast.Type, ptr %a140, i32 0, i32 2
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  %t153 = call i64 @finch.gen.findStruct(ptr %t148, { ptr, i64, i64 } %t150, { ptr, i64, i64 } %t152)
-  call void @finch.gen.resolveStruct(ptr %t147, i64 %t153)
-  br label %endif4072
-endif4072:
-  %t154 = load ptr, ptr %a1
-  %t155 = icmp eq ptr %t154, null
-  br i1 %t155, label %panic4073, label %ok4074
-panic4073:
-  call void @finch_panic(ptr @.str.2540, i64 1682, ptr @.str.2541)
+  store { ptr, i64, i64 } %t150, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.2626, i64 6, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
+  %t154 = icmp ne i32 %t153, 0
+  br i1 %t154, label %then4290, label %endif4292
+then4290:
+  %t155 = load ptr, ptr %a1
+  %t156 = load ptr, ptr %a1
+  %t157 = getelementptr inbounds %S.ast.Type, ptr %a148, i32 0, i32 3
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  %t159 = getelementptr inbounds %S.ast.Type, ptr %a148, i32 0, i32 2
+  %t160 = load { ptr, i64, i64 }, ptr %t159
+  %t161 = call i64 @finch.gen.findStruct(ptr %t156, { ptr, i64, i64 } %t158, { ptr, i64, i64 } %t160)
+  call void @finch.gen.resolveStruct(ptr %t155, i64 %t161)
+  br label %endif4292
+endif4292:
+  %t162 = load ptr, ptr %a1
+  %t163 = icmp eq ptr %t162, null
+  br i1 %t163, label %panic4293, label %ok4294
+panic4293:
+  call void @finch_panic(ptr @.str.2627, i64 1837, ptr @.str.2628)
   unreachable
-ok4074:
-  %t156 = getelementptr inbounds %S.gen.Gen, ptr %t154, i32 0, i32 15
-  %t157 = load i64, ptr %a2
-  %t158 = load { ptr, i64, i64 }, ptr %t156
-  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
-  %t160 = icmp uge i64 %t157, %t159
-  br i1 %t160, label %range4075, label %inrange4076
-range4075:
-  call void @finch_panic_index(ptr @.str.2542, i64 1682, i64 %t157, i64 %t159)
+ok4294:
+  %t164 = getelementptr inbounds %S.gen.Gen, ptr %t162, i32 0, i32 16
+  %t165 = load i64, ptr %a2
+  %t166 = load { ptr, i64, i64 }, ptr %t164
+  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
+  %t168 = icmp uge i64 %t165, %t167
+  br i1 %t168, label %range4295, label %inrange4296
+range4295:
+  call void @finch_panic_index(ptr @.str.2629, i64 1837, i64 %t165, i64 %t167)
   unreachable
-inrange4076:
-  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
-  %t162 = getelementptr inbounds %S.gen.StructDef, ptr %t161, i64 %t157
-  %t163 = getelementptr inbounds %S.gen.StructDef, ptr %t162, i32 0, i32 3
-  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i32 0, i32 1
-  %t165 = load ptr, ptr %a1
-  %t166 = icmp eq ptr %t165, null
-  br i1 %t166, label %panic4077, label %ok4078
-panic4077:
-  call void @finch_panic(ptr @.str.2543, i64 1682, ptr @.str.2544)
+inrange4296:
+  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
+  %t170 = getelementptr inbounds %S.gen.StructDef, ptr %t169, i64 %t165
+  %t171 = getelementptr inbounds %S.gen.StructDef, ptr %t170, i32 0, i32 3
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %t171, i32 0, i32 1
+  %t173 = load ptr, ptr %a1
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic4297, label %ok4298
+panic4297:
+  call void @finch_panic(ptr @.str.2630, i64 1837, ptr @.str.2631)
   unreachable
-ok4078:
-  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 15
-  %t168 = load i64, ptr %a2
-  %t169 = load { ptr, i64, i64 }, ptr %t167
-  %t170 = extractvalue { ptr, i64, i64 } %t169, 1
-  %t171 = icmp uge i64 %t168, %t170
-  br i1 %t171, label %range4079, label %inrange4080
-range4079:
-  call void @finch_panic_index(ptr @.str.2545, i64 1682, i64 %t168, i64 %t170)
+ok4298:
+  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 16
+  %t176 = load i64, ptr %a2
+  %t177 = load { ptr, i64, i64 }, ptr %t175
+  %t178 = extractvalue { ptr, i64, i64 } %t177, 1
+  %t179 = icmp uge i64 %t176, %t178
+  br i1 %t179, label %range4299, label %inrange4300
+range4299:
+  call void @finch_panic_index(ptr @.str.2632, i64 1837, i64 %t176, i64 %t178)
   unreachable
-inrange4080:
-  %t172 = extractvalue { ptr, i64, i64 } %t169, 0
-  %t173 = getelementptr inbounds %S.gen.StructDef, ptr %t172, i64 %t168
-  %t174 = getelementptr inbounds %S.gen.StructDef, ptr %t173, i32 0, i32 11
-  %t175 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i32 0, i32 1
-  %t176 = load i64, ptr %t175
-  %t177 = load i64, ptr %t164
-  %t178 = add i64 %t177, 1
-  call void @finch_arr_reserve(ptr %t163, i64 %t178, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t179 = load ptr, ptr %t163
-  %t180 = getelementptr inbounds i64, ptr %t179, i64 %t177
-  store i64 %t176, ptr %t180
-  store i64 %t178, ptr %t164
-  %t181 = load ptr, ptr %a1
-  %t182 = icmp eq ptr %t181, null
-  br i1 %t182, label %panic4081, label %ok4082
-panic4081:
-  call void @finch_panic(ptr @.str.2546, i64 1683, ptr @.str.2547)
+inrange4300:
+  %t180 = extractvalue { ptr, i64, i64 } %t177, 0
+  %t181 = getelementptr inbounds %S.gen.StructDef, ptr %t180, i64 %t176
+  %t182 = getelementptr inbounds %S.gen.StructDef, ptr %t181, i32 0, i32 11
+  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i32 0, i32 1
+  %t184 = load i64, ptr %t183
+  %t185 = load i64, ptr %t172
+  %t186 = add i64 %t185, 1
+  call void @finch_arr_reserve(ptr %t171, i64 %t186, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t187 = load ptr, ptr %t171
+  %t188 = getelementptr inbounds i64, ptr %t187, i64 %t185
+  store i64 %t184, ptr %t188
+  store i64 %t186, ptr %t172
+  %t189 = load ptr, ptr %a1
+  %t190 = icmp eq ptr %t189, null
+  br i1 %t190, label %panic4301, label %ok4302
+panic4301:
+  call void @finch_panic(ptr @.str.2633, i64 1838, ptr @.str.2634)
   unreachable
-ok4082:
-  %t183 = getelementptr inbounds %S.gen.Gen, ptr %t181, i32 0, i32 15
-  %t184 = load i64, ptr %a2
-  %t185 = load { ptr, i64, i64 }, ptr %t183
-  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
-  %t187 = icmp uge i64 %t184, %t186
-  br i1 %t187, label %range4083, label %inrange4084
-range4083:
-  call void @finch_panic_index(ptr @.str.2548, i64 1683, i64 %t184, i64 %t186)
+ok4302:
+  %t191 = getelementptr inbounds %S.gen.Gen, ptr %t189, i32 0, i32 16
+  %t192 = load i64, ptr %a2
+  %t193 = load { ptr, i64, i64 }, ptr %t191
+  %t194 = extractvalue { ptr, i64, i64 } %t193, 1
+  %t195 = icmp uge i64 %t192, %t194
+  br i1 %t195, label %range4303, label %inrange4304
+range4303:
+  call void @finch_panic_index(ptr @.str.2635, i64 1838, i64 %t192, i64 %t194)
   unreachable
-inrange4084:
-  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
-  %t189 = getelementptr inbounds %S.gen.StructDef, ptr %t188, i64 %t184
-  %t190 = getelementptr inbounds %S.gen.StructDef, ptr %t189, i32 0, i32 11
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t190, i32 0, i32 1
-  %t192 = getelementptr inbounds %S.ast.Node, ptr %a134, i32 0, i32 1
-  %t193 = load { ptr, i64, i64 }, ptr %t192
-  store { ptr, i64, i64 } %t193, ptr %a194
-  call void @finch_str_copy(ptr %a195, ptr %a194)
-  %t196 = load { ptr, i64, i64 }, ptr %a195
-  %t197 = load i64, ptr %t191
-  %t198 = add i64 %t197, 1
-  call void @finch_arr_reserve(ptr %t190, i64 %t198, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t199 = load ptr, ptr %t190
-  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i64 %t197
-  store { ptr, i64, i64 } %t196, ptr %t200
-  store i64 %t198, ptr %t191
-  %t201 = load ptr, ptr %a1
-  %t202 = icmp eq ptr %t201, null
-  br i1 %t202, label %panic4085, label %ok4086
-panic4085:
-  call void @finch_panic(ptr @.str.2549, i64 1684, ptr @.str.2550)
+inrange4304:
+  %t196 = extractvalue { ptr, i64, i64 } %t193, 0
+  %t197 = getelementptr inbounds %S.gen.StructDef, ptr %t196, i64 %t192
+  %t198 = getelementptr inbounds %S.gen.StructDef, ptr %t197, i32 0, i32 11
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t198, i32 0, i32 1
+  %t200 = getelementptr inbounds %S.ast.Node, ptr %a142, i32 0, i32 1
+  %t201 = load { ptr, i64, i64 }, ptr %t200
+  store { ptr, i64, i64 } %t201, ptr %a202
+  call void @finch_str_copy(ptr %a203, ptr %a202)
+  %t204 = load { ptr, i64, i64 }, ptr %a203
+  %t205 = load i64, ptr %t199
+  %t206 = add i64 %t205, 1
+  call void @finch_arr_reserve(ptr %t198, i64 %t206, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t207 = load ptr, ptr %t198
+  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %t207, i64 %t205
+  store { ptr, i64, i64 } %t204, ptr %t208
+  store i64 %t206, ptr %t199
+  %t209 = load ptr, ptr %a1
+  %t210 = icmp eq ptr %t209, null
+  br i1 %t210, label %panic4305, label %ok4306
+panic4305:
+  call void @finch_panic(ptr @.str.2636, i64 1839, ptr @.str.2637)
   unreachable
-ok4086:
-  %t203 = getelementptr inbounds %S.gen.Gen, ptr %t201, i32 0, i32 15
-  %t204 = load i64, ptr %a2
-  %t205 = load { ptr, i64, i64 }, ptr %t203
-  %t206 = extractvalue { ptr, i64, i64 } %t205, 1
-  %t207 = icmp uge i64 %t204, %t206
-  br i1 %t207, label %range4087, label %inrange4088
-range4087:
-  call void @finch_panic_index(ptr @.str.2551, i64 1684, i64 %t204, i64 %t206)
+ok4306:
+  %t211 = getelementptr inbounds %S.gen.Gen, ptr %t209, i32 0, i32 16
+  %t212 = load i64, ptr %a2
+  %t213 = load { ptr, i64, i64 }, ptr %t211
+  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
+  %t215 = icmp uge i64 %t212, %t214
+  br i1 %t215, label %range4307, label %inrange4308
+range4307:
+  call void @finch_panic_index(ptr @.str.2638, i64 1839, i64 %t212, i64 %t214)
   unreachable
-inrange4088:
-  %t208 = extractvalue { ptr, i64, i64 } %t205, 0
-  %t209 = getelementptr inbounds %S.gen.StructDef, ptr %t208, i64 %t204
-  %t210 = getelementptr inbounds %S.gen.StructDef, ptr %t209, i32 0, i32 12
-  %t211 = getelementptr inbounds { ptr, i64, i64 }, ptr %t210, i32 0, i32 1
-  %t212 = load %S.ast.Type, ptr %a140
-  store %S.ast.Type %t212, ptr %a213
-  call void @finch.copy.S_ast_Type(ptr %a214, ptr %a213)
-  %t215 = load %S.ast.Type, ptr %a214
-  %t216 = load i64, ptr %t211
-  %t217 = add i64 %t216, 1
-  call void @finch_arr_reserve(ptr %t210, i64 %t217, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t218 = load ptr, ptr %t210
-  %t219 = getelementptr inbounds %S.ast.Type, ptr %t218, i64 %t216
-  store %S.ast.Type %t215, ptr %t219
-  store i64 %t217, ptr %t211
-  %t220 = load ptr, ptr %a1
-  %t221 = load %S.ast.Type, ptr %a140
-  %t222 = call i1 @finch.gen.owning(ptr %t220, %S.ast.Type %t221)
-  br i1 %t222, label %then4089, label %endif4091
-then4089:
-  store i1 true, ptr %a123
-  br label %endif4091
-endif4091:
-  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %a124, i32 0, i32 1
-  %t224 = load ptr, ptr %a1
-  %t225 = load %S.ast.Type, ptr %a140
-  %t226 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t224, %S.ast.Type %t225)
-  %t227 = load i64, ptr %t223
-  %t228 = add i64 %t227, 1
-  call void @finch_arr_reserve(ptr %a124, i64 %t228, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t229 = load ptr, ptr %a124
-  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i64 %t227
-  store { ptr, i64, i64 } %t226, ptr %t230
-  store i64 %t228, ptr %t223
-  br label %each.step4068
-each.step4068:
-  %t231 = load i64, ptr %a126
-  %t232 = add i64 %t231, 1
-  store i64 %t232, ptr %a126
-  br label %each.cond4066
-each.end4069:
-  %t233 = load i1, ptr %a123
-  %t234 = load ptr, ptr %a1
-  %t235 = icmp eq ptr %t234, null
-  br i1 %t235, label %panic4092, label %ok4093
-panic4092:
-  call void @finch_panic(ptr @.str.2552, i64 1690, ptr @.str.2553)
+inrange4308:
+  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
+  %t217 = getelementptr inbounds %S.gen.StructDef, ptr %t216, i64 %t212
+  %t218 = getelementptr inbounds %S.gen.StructDef, ptr %t217, i32 0, i32 12
+  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i32 0, i32 1
+  %t220 = load %S.ast.Type, ptr %a148
+  store %S.ast.Type %t220, ptr %a221
+  call void @finch.copy.S_ast_Type(ptr %a222, ptr %a221)
+  %t223 = load %S.ast.Type, ptr %a222
+  %t224 = load i64, ptr %t219
+  %t225 = add i64 %t224, 1
+  call void @finch_arr_reserve(ptr %t218, i64 %t225, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t226 = load ptr, ptr %t218
+  %t227 = getelementptr inbounds %S.ast.Type, ptr %t226, i64 %t224
+  store %S.ast.Type %t223, ptr %t227
+  store i64 %t225, ptr %t219
+  %t228 = load ptr, ptr %a1
+  %t229 = load %S.ast.Type, ptr %a148
+  %t230 = call i1 @finch.gen.owning(ptr %t228, %S.ast.Type %t229)
+  br i1 %t230, label %then4309, label %endif4311
+then4309:
+  store i1 true, ptr %a131
+  br label %endif4311
+endif4311:
+  %t231 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  %t232 = load ptr, ptr %a1
+  %t233 = load %S.ast.Type, ptr %a148
+  %t234 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t232, %S.ast.Type %t233)
+  %t235 = load i64, ptr %t231
+  %t236 = add i64 %t235, 1
+  call void @finch_arr_reserve(ptr %a132, i64 %t236, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t237 = load ptr, ptr %a132
+  %t238 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 %t235
+  store { ptr, i64, i64 } %t234, ptr %t238
+  store i64 %t236, ptr %t231
+  call void @finch.drop.S_ast_Type(ptr %a148)
+  br label %each.step4288
+each.step4288:
+  %t239 = load i64, ptr %a134
+  %t240 = add i64 %t239, 1
+  store i64 %t240, ptr %a134
+  br label %each.cond4286
+each.end4289:
+  %t241 = load i1, ptr %a131
+  %t242 = load ptr, ptr %a1
+  %t243 = icmp eq ptr %t242, null
+  br i1 %t243, label %panic4312, label %ok4313
+panic4312:
+  call void @finch_panic(ptr @.str.2639, i64 1845, ptr @.str.2640)
   unreachable
-ok4093:
-  %t236 = getelementptr inbounds %S.gen.Gen, ptr %t234, i32 0, i32 15
-  %t237 = load i64, ptr %a2
-  %t238 = load { ptr, i64, i64 }, ptr %t236
-  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
-  %t240 = icmp uge i64 %t237, %t239
-  br i1 %t240, label %range4094, label %inrange4095
-range4094:
-  call void @finch_panic_index(ptr @.str.2554, i64 1690, i64 %t237, i64 %t239)
+ok4313:
+  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 16
+  %t245 = load i64, ptr %a2
+  %t246 = load { ptr, i64, i64 }, ptr %t244
+  %t247 = extractvalue { ptr, i64, i64 } %t246, 1
+  %t248 = icmp uge i64 %t245, %t247
+  br i1 %t248, label %range4314, label %inrange4315
+range4314:
+  call void @finch_panic_index(ptr @.str.2641, i64 1845, i64 %t245, i64 %t247)
   unreachable
-inrange4095:
-  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
-  %t242 = getelementptr inbounds %S.gen.StructDef, ptr %t241, i64 %t237
-  %t243 = getelementptr inbounds %S.gen.StructDef, ptr %t242, i32 0, i32 16
-  store i1 %t233, ptr %t243
-  %t244 = load { ptr, i64, i64 }, ptr %a105
-  %t245 = load ptr, ptr %a1
-  %t246 = icmp eq ptr %t245, null
-  br i1 %t246, label %panic4096, label %ok4097
-panic4096:
-  call void @finch_panic(ptr @.str.2555, i64 1691, ptr @.str.2556)
+inrange4315:
+  %t249 = extractvalue { ptr, i64, i64 } %t246, 0
+  %t250 = getelementptr inbounds %S.gen.StructDef, ptr %t249, i64 %t245
+  %t251 = getelementptr inbounds %S.gen.StructDef, ptr %t250, i32 0, i32 16
+  store i1 %t241, ptr %t251
+  %t252 = load { ptr, i64, i64 }, ptr %a111
+  %t253 = load ptr, ptr %a1
+  %t254 = icmp eq ptr %t253, null
+  br i1 %t254, label %panic4316, label %ok4317
+panic4316:
+  call void @finch_panic(ptr @.str.2642, i64 1846, ptr @.str.2643)
   unreachable
-ok4097:
-  %t247 = getelementptr inbounds %S.gen.Gen, ptr %t245, i32 0, i32 13
-  store { ptr, i64, i64 } %t244, ptr %a248
-  call void @finch_str_copy(ptr %a249, ptr %a248)
-  %t250 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t250, ptr %t247
-  %t251 = load ptr, ptr %a1
-  %t252 = icmp eq ptr %t251, null
-  br i1 %t252, label %panic4098, label %ok4099
-panic4098:
-  call void @finch_panic(ptr @.str.2557, i64 1692, ptr @.str.2558)
-  unreachable
-ok4099:
-  %t253 = getelementptr inbounds %S.gen.Gen, ptr %t251, i32 0, i32 15
-  %t254 = load i64, ptr %a2
-  %t255 = load { ptr, i64, i64 }, ptr %t253
-  %t256 = extractvalue { ptr, i64, i64 } %t255, 1
-  %t257 = icmp uge i64 %t254, %t256
-  br i1 %t257, label %range4100, label %inrange4101
-range4100:
-  call void @finch_panic_index(ptr @.str.2559, i64 1692, i64 %t254, i64 %t256)
-  unreachable
-inrange4101:
-  %t258 = extractvalue { ptr, i64, i64 } %t255, 0
-  %t259 = getelementptr inbounds %S.gen.StructDef, ptr %t258, i64 %t254
-  %t260 = getelementptr inbounds %S.gen.StructDef, ptr %t259, i32 0, i32 15
-  store i64 2, ptr %t260
+ok4317:
+  %t255 = getelementptr inbounds %S.gen.Gen, ptr %t253, i32 0, i32 14
+  store { ptr, i64, i64 } %t252, ptr %a256
+  call void @finch_str_copy(ptr %a257, ptr %a256)
+  %t258 = load { ptr, i64, i64 }, ptr %a257
+  %t259 = load { ptr, i64, i64 }, ptr %t255
+  store { ptr, i64, i64 } %t258, ptr %t255
+  store { ptr, i64, i64 } %t259, ptr %a260
+  call void @finch_str_drop(ptr %a260)
   %t261 = load ptr, ptr %a1
   %t262 = icmp eq ptr %t261, null
-  br i1 %t262, label %panic4102, label %ok4103
-panic4102:
-  call void @finch_panic(ptr @.str.2560, i64 1693, ptr @.str.2561)
+  br i1 %t262, label %panic4318, label %ok4319
+panic4318:
+  call void @finch_panic(ptr @.str.2644, i64 1847, ptr @.str.2645)
   unreachable
-ok4103:
-  %t263 = getelementptr inbounds %S.gen.Gen, ptr %t261, i32 0, i32 2
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
-  %t265 = load ptr, ptr %a1
-  %t266 = icmp eq ptr %t265, null
-  br i1 %t266, label %panic4104, label %ok4105
-panic4104:
-  call void @finch_panic(ptr @.str.2563, i64 1693, ptr @.str.2564)
+ok4319:
+  %t263 = getelementptr inbounds %S.gen.Gen, ptr %t261, i32 0, i32 16
+  %t264 = load i64, ptr %a2
+  %t265 = load { ptr, i64, i64 }, ptr %t263
+  %t266 = extractvalue { ptr, i64, i64 } %t265, 1
+  %t267 = icmp uge i64 %t264, %t266
+  br i1 %t267, label %range4320, label %inrange4321
+range4320:
+  call void @finch_panic_index(ptr @.str.2646, i64 1847, i64 %t264, i64 %t266)
   unreachable
-ok4105:
-  %t267 = getelementptr inbounds %S.gen.Gen, ptr %t265, i32 0, i32 15
-  %t268 = load i64, ptr %a2
-  %t269 = load { ptr, i64, i64 }, ptr %t267
-  %t270 = extractvalue { ptr, i64, i64 } %t269, 1
-  %t271 = icmp uge i64 %t268, %t270
-  br i1 %t271, label %range4106, label %inrange4107
-range4106:
-  call void @finch_panic_index(ptr @.str.2565, i64 1693, i64 %t268, i64 %t270)
+inrange4321:
+  %t268 = extractvalue { ptr, i64, i64 } %t265, 0
+  %t269 = getelementptr inbounds %S.gen.StructDef, ptr %t268, i64 %t264
+  %t270 = getelementptr inbounds %S.gen.StructDef, ptr %t269, i32 0, i32 15
+  store i64 2, ptr %t270
+  %t271 = load ptr, ptr %a1
+  %t272 = icmp eq ptr %t271, null
+  br i1 %t272, label %panic4322, label %ok4323
+panic4322:
+  call void @finch_panic(ptr @.str.2647, i64 1848, ptr @.str.2648)
   unreachable
-inrange4107:
-  %t272 = extractvalue { ptr, i64, i64 } %t269, 0
-  %t273 = getelementptr inbounds %S.gen.StructDef, ptr %t272, i64 %t268
-  %t274 = getelementptr inbounds %S.gen.StructDef, ptr %t273, i32 0, i32 0
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  %t276 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t275)
-  store { ptr, i64, i64 } { ptr @.str.2562, i64 3, i64 0 }, ptr %a278
-  store { ptr, i64, i64 } %t276, ptr %a279
-  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
-  %t280 = load { ptr, i64, i64 }, ptr %a277
-  store { ptr, i64, i64 } %t280, ptr %a282
-  store { ptr, i64, i64 } { ptr @.str.2566, i64 1, i64 0 }, ptr %a283
-  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
-  %t284 = load { ptr, i64, i64 }, ptr %a281
-  %t285 = load ptr, ptr %a1
-  %t286 = icmp eq ptr %t285, null
-  br i1 %t286, label %panic4108, label %ok4109
-panic4108:
-  call void @finch_panic(ptr @.str.2567, i64 1693, ptr @.str.2568)
+ok4323:
+  %t273 = getelementptr inbounds %S.gen.Gen, ptr %t271, i32 0, i32 2
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i32 0, i32 1
+  %t275 = load ptr, ptr %a1
+  %t276 = icmp eq ptr %t275, null
+  br i1 %t276, label %panic4324, label %ok4325
+panic4324:
+  call void @finch_panic(ptr @.str.2650, i64 1848, ptr @.str.2651)
   unreachable
-ok4109:
-  %t287 = getelementptr inbounds %S.gen.Gen, ptr %t285, i32 0, i32 15
-  %t288 = load i64, ptr %a2
-  %t289 = load { ptr, i64, i64 }, ptr %t287
-  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
-  %t291 = icmp uge i64 %t288, %t290
-  br i1 %t291, label %range4110, label %inrange4111
-range4110:
-  call void @finch_panic_index(ptr @.str.2569, i64 1693, i64 %t288, i64 %t290)
+ok4325:
+  %t277 = getelementptr inbounds %S.gen.Gen, ptr %t275, i32 0, i32 16
+  %t278 = load i64, ptr %a2
+  %t279 = load { ptr, i64, i64 }, ptr %t277
+  %t280 = extractvalue { ptr, i64, i64 } %t279, 1
+  %t281 = icmp uge i64 %t278, %t280
+  br i1 %t281, label %range4326, label %inrange4327
+range4326:
+  call void @finch_panic_index(ptr @.str.2652, i64 1848, i64 %t278, i64 %t280)
   unreachable
-inrange4111:
-  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
-  %t293 = getelementptr inbounds %S.gen.StructDef, ptr %t292, i64 %t288
-  %t294 = getelementptr inbounds %S.gen.StructDef, ptr %t293, i32 0, i32 1
-  %t295 = load { ptr, i64, i64 }, ptr %t294
-  %t296 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t295)
-  store { ptr, i64, i64 } %t284, ptr %a298
-  store { ptr, i64, i64 } %t296, ptr %a299
-  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
-  %t300 = load { ptr, i64, i64 }, ptr %a297
-  store { ptr, i64, i64 } %t300, ptr %a302
-  store { ptr, i64, i64 } { ptr @.str.2570, i64 10, i64 0 }, ptr %a303
-  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
-  %t304 = load { ptr, i64, i64 }, ptr %a301
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %a124, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2571, i64 2, i64 0 }, ptr %a306
-  call void @finch_str_join(ptr %a307, ptr %a124, ptr %a306)
-  %t308 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t304, ptr %a310
+inrange4327:
+  %t282 = extractvalue { ptr, i64, i64 } %t279, 0
+  %t283 = getelementptr inbounds %S.gen.StructDef, ptr %t282, i64 %t278
+  %t284 = getelementptr inbounds %S.gen.StructDef, ptr %t283, i32 0, i32 0
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  %t286 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t285)
+  store { ptr, i64, i64 } { ptr @.str.2649, i64 3, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  store { ptr, i64, i64 } %t286, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.2653, i64 1, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = load ptr, ptr %a1
+  %t298 = icmp eq ptr %t297, null
+  br i1 %t298, label %panic4328, label %ok4329
+panic4328:
+  call void @finch_panic(ptr @.str.2654, i64 1848, ptr @.str.2655)
+  unreachable
+ok4329:
+  %t299 = getelementptr inbounds %S.gen.Gen, ptr %t297, i32 0, i32 16
+  %t300 = load i64, ptr %a2
+  %t301 = load { ptr, i64, i64 }, ptr %t299
+  %t302 = extractvalue { ptr, i64, i64 } %t301, 1
+  %t303 = icmp uge i64 %t300, %t302
+  br i1 %t303, label %range4330, label %inrange4331
+range4330:
+  call void @finch_panic_index(ptr @.str.2656, i64 1848, i64 %t300, i64 %t302)
+  unreachable
+inrange4331:
+  %t304 = extractvalue { ptr, i64, i64 } %t301, 0
+  %t305 = getelementptr inbounds %S.gen.StructDef, ptr %t304, i64 %t300
+  %t306 = getelementptr inbounds %S.gen.StructDef, ptr %t305, i32 0, i32 1
+  %t307 = load { ptr, i64, i64 }, ptr %t306
+  %t308 = call { ptr, i64, i64 } @finch.gen.mangle({ ptr, i64, i64 } %t307)
+  store { ptr, i64, i64 } %t296, ptr %a310
   store { ptr, i64, i64 } %t308, ptr %a311
   call void @finch_str_concat(ptr %a309, ptr %a310, ptr %a311)
-  %t312 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } %t312, ptr %a314
-  store { ptr, i64, i64 } { ptr @.str.2572, i64 2, i64 0 }, ptr %a315
-  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  %t317 = load i64, ptr %t264
-  %t318 = add i64 %t317, 1
-  call void @finch_arr_reserve(ptr %t263, i64 %t318, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t319 = load ptr, ptr %t263
-  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %t319, i64 %t317
-  store { ptr, i64, i64 } %t316, ptr %t320
-  store i64 %t318, ptr %t264
+  store { ptr, i64, i64 } %t296, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  store { ptr, i64, i64 } %t308, ptr %a313
+  call void @finch_str_drop(ptr %a313)
+  %t314 = load { ptr, i64, i64 }, ptr %a309
+  store { ptr, i64, i64 } %t314, ptr %a316
+  store { ptr, i64, i64 } { ptr @.str.2657, i64 10, i64 0 }, ptr %a317
+  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
+  store { ptr, i64, i64 } %t314, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a315
+  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2658, i64 2, i64 0 }, ptr %a321
+  call void @finch_str_join(ptr %a322, ptr %a132, ptr %a321)
+  %t323 = load { ptr, i64, i64 }, ptr %a322
+  store { ptr, i64, i64 } %t319, ptr %a325
+  store { ptr, i64, i64 } %t323, ptr %a326
+  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
+  store { ptr, i64, i64 } %t319, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  store { ptr, i64, i64 } %t323, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t329, ptr %a331
+  store { ptr, i64, i64 } { ptr @.str.2659, i64 2, i64 0 }, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  store { ptr, i64, i64 } %t329, ptr %a333
+  call void @finch_str_drop(ptr %a333)
+  %t334 = load { ptr, i64, i64 }, ptr %a330
+  %t335 = load i64, ptr %t274
+  %t336 = add i64 %t335, 1
+  call void @finch_arr_reserve(ptr %t273, i64 %t336, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t337 = load ptr, ptr %t273
+  %t338 = getelementptr inbounds { ptr, i64, i64 }, ptr %t337, i64 %t335
+  store { ptr, i64, i64 } %t334, ptr %t338
+  store i64 %t336, ptr %t274
+  call void @finch.drop.arr_str(ptr %a132)
+  call void @finch_str_drop(ptr %a111)
+  call void @finch.drop.S_ast_Node(ptr %a43)
   ret void
 }
 
@@ -38092,12 +44214,12 @@ entry:
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4112, label %ok4113
-panic4112:
-  call void @finch_panic(ptr @.str.2573, i64 1702, ptr @.str.2574)
+  br i1 %t4, label %panic4332, label %ok4333
+panic4332:
+  call void @finch_panic(ptr @.str.2660, i64 1857, ptr @.str.2661)
   unreachable
-ok4113:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 31
+ok4333:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 32
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t7, ptr %a8
@@ -38112,12 +44234,12 @@ ok4113:
   store i64 %t12, ptr %t6
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic4114, label %ok4115
-panic4114:
-  call void @finch_panic(ptr @.str.2575, i64 1703, ptr @.str.2576)
+  br i1 %t16, label %panic4334, label %ok4335
+panic4334:
+  call void @finch_panic(ptr @.str.2662, i64 1858, ptr @.str.2663)
   unreachable
-ok4115:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 31
+ok4335:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 32
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = sub i64 %t19, 1
@@ -38131,21 +44253,24 @@ entry:
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
   %t2 = load i64, ptr %a1
   %t3 = icmp slt i64 %t2, 0
-  br i1 %t3, label %then4116, label %endif4118
-then4116:
-  ret { ptr, i64, i64 } { ptr @.str.2577, i64 4, i64 0 }
-endif4118:
+  br i1 %t3, label %then4336, label %endif4338
+then4336:
+  ret { ptr, i64, i64 } { ptr @.str.2664, i64 4, i64 0 }
+endif4338:
   %t4 = load i64, ptr %a1
   call void @finch_str_from_int(ptr %a5, i64 %t4)
   %t6 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.2578, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.2665, i64 1, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
-  %t10 = load { ptr, i64, i64 }, ptr %a7
-  ret { ptr, i64, i64 } %t10
+  store { ptr, i64, i64 } %t6, ptr %a10
+  call void @finch_str_drop(ptr %a10)
+  %t11 = load { ptr, i64, i64 }, ptr %a7
+  ret { ptr, i64, i64 } %t11
 }
 
 define internal i64 @finch.gen.alignUp(i64 %p0, i64 %p1) {
@@ -38156,22 +44281,22 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load i64, ptr %a2
   %t4 = icmp sle i64 %t3, 1
-  br i1 %t4, label %then4119, label %endif4121
-then4119:
+  br i1 %t4, label %then4339, label %endif4341
+then4339:
   %t5 = load i64, ptr %a1
   ret i64 %t5
-endif4121:
+endif4341:
   %t6 = load i64, ptr %a1
   %t7 = load i64, ptr %a2
   %t8 = add i64 %t6, %t7
   %t9 = sub i64 %t8, 1
   %t10 = load i64, ptr %a2
   %t11 = icmp eq i64 %t10, 0
-  br i1 %t11, label %panic4122, label %ok4123
-panic4122:
-  call void @finch_panic(ptr @.str.2579, i64 1722, ptr @.str.2580)
+  br i1 %t11, label %panic4342, label %ok4343
+panic4342:
+  call void @finch_panic(ptr @.str.2666, i64 1877, ptr @.str.2667)
   unreachable
-ok4123:
+ok4343:
   %t12 = sdiv i64 %t9, %t10
   %t13 = load i64, ptr %a2
   %t14 = mul i64 %t12, %t13
@@ -38234,188 +44359,193 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.2581, i64 4, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.2668, i64 4, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from4124
-logic.from4124:
-  br i1 %t13, label %logic.end4126, label %logic.rhs4125
-logic.rhs4125:
+  br label %logic.from4344
+logic.from4344:
+  br i1 %t13, label %logic.end4346, label %logic.rhs4345
+logic.rhs4345:
   %t14 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.2582, i64 4, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.2669, i64 4, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.rend4127
-logic.rend4127:
-  br label %logic.end4126
-logic.end4126:
-  %t19 = phi i1 [ true, %logic.from4124 ], [ %t18, %logic.rend4127 ]
-  br label %logic.from4128
-logic.from4128:
-  br i1 %t19, label %logic.end4130, label %logic.rhs4129
-logic.rhs4129:
+  br label %logic.rend4347
+logic.rend4347:
+  br label %logic.end4346
+logic.end4346:
+  %t19 = phi i1 [ true, %logic.from4344 ], [ %t18, %logic.rend4347 ]
+  br label %logic.from4348
+logic.from4348:
+  br i1 %t19, label %logic.end4350, label %logic.rhs4349
+logic.rhs4349:
   %t20 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.2583, i64 2, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.2670, i64 2, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_eq(ptr %a21, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br label %logic.rend4131
-logic.rend4131:
-  br label %logic.end4130
-logic.end4130:
-  %t25 = phi i1 [ true, %logic.from4128 ], [ %t24, %logic.rend4131 ]
-  br label %logic.from4132
-logic.from4132:
-  br i1 %t25, label %logic.end4134, label %logic.rhs4133
-logic.rhs4133:
+  br label %logic.rend4351
+logic.rend4351:
+  br label %logic.end4350
+logic.end4350:
+  %t25 = phi i1 [ true, %logic.from4348 ], [ %t24, %logic.rend4351 ]
+  br label %logic.from4352
+logic.from4352:
+  br i1 %t25, label %logic.end4354, label %logic.rhs4353
+logic.rhs4353:
   %t26 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2584, i64 2, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.2671, i64 2, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br label %logic.rend4135
-logic.rend4135:
-  br label %logic.end4134
-logic.end4134:
-  %t31 = phi i1 [ true, %logic.from4132 ], [ %t30, %logic.rend4135 ]
-  br i1 %t31, label %then4136, label %endif4138
-then4136:
+  br label %logic.rend4355
+logic.rend4355:
+  br label %logic.end4354
+logic.end4354:
+  %t31 = phi i1 [ true, %logic.from4352 ], [ %t30, %logic.rend4355 ]
+  br i1 %t31, label %then4356, label %endif4358
+then4356:
   %t32 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 1, 0
   %t33 = insertvalue %S.gen.SizeAlign %t32, i64 1, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t33
-endif4138:
+endif4358:
   %t34 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.2585, i64 3, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.2672, i64 3, i64 0 }, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.from4139
-logic.from4139:
-  br i1 %t38, label %logic.end4141, label %logic.rhs4140
-logic.rhs4140:
+  br label %logic.from4359
+logic.from4359:
+  br i1 %t38, label %logic.end4361, label %logic.rhs4360
+logic.rhs4360:
   %t39 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.2586, i64 3, i64 0 }, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.2673, i64 3, i64 0 }, ptr %a41
   %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
   %t43 = icmp ne i32 %t42, 0
-  br label %logic.rend4142
-logic.rend4142:
-  br label %logic.end4141
-logic.end4141:
-  %t44 = phi i1 [ true, %logic.from4139 ], [ %t43, %logic.rend4142 ]
-  br i1 %t44, label %then4143, label %endif4145
-then4143:
+  br label %logic.rend4362
+logic.rend4362:
+  br label %logic.end4361
+logic.end4361:
+  %t44 = phi i1 [ true, %logic.from4359 ], [ %t43, %logic.rend4362 ]
+  br i1 %t44, label %then4363, label %endif4365
+then4363:
   %t45 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 2, 0
   %t46 = insertvalue %S.gen.SizeAlign %t45, i64 2, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t46
-endif4145:
+endif4365:
   %t47 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.2587, i64 3, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.2674, i64 3, i64 0 }, ptr %a49
   %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
   %t51 = icmp ne i32 %t50, 0
-  br label %logic.from4146
-logic.from4146:
-  br i1 %t51, label %logic.end4148, label %logic.rhs4147
-logic.rhs4147:
+  br label %logic.from4366
+logic.from4366:
+  br i1 %t51, label %logic.end4368, label %logic.rhs4367
+logic.rhs4367:
   %t52 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.2588, i64 3, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.2675, i64 3, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br label %logic.rend4149
-logic.rend4149:
-  br label %logic.end4148
-logic.end4148:
-  %t57 = phi i1 [ true, %logic.from4146 ], [ %t56, %logic.rend4149 ]
-  br label %logic.from4150
-logic.from4150:
-  br i1 %t57, label %logic.end4152, label %logic.rhs4151
-logic.rhs4151:
+  br label %logic.rend4369
+logic.rend4369:
+  br label %logic.end4368
+logic.end4368:
+  %t57 = phi i1 [ true, %logic.from4366 ], [ %t56, %logic.rend4369 ]
+  br label %logic.from4370
+logic.from4370:
+  br i1 %t57, label %logic.end4372, label %logic.rhs4371
+logic.rhs4371:
   %t58 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t58, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.2589, i64 3, i64 0 }, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.2676, i64 3, i64 0 }, ptr %a60
   %t61 = call i32 @finch_str_eq(ptr %a59, ptr %a60)
   %t62 = icmp ne i32 %t61, 0
-  br label %logic.rend4153
-logic.rend4153:
-  br label %logic.end4152
-logic.end4152:
-  %t63 = phi i1 [ true, %logic.from4150 ], [ %t62, %logic.rend4153 ]
-  br label %logic.from4154
-logic.from4154:
-  br i1 %t63, label %logic.end4156, label %logic.rhs4155
-logic.rhs4155:
+  br label %logic.rend4373
+logic.rend4373:
+  br label %logic.end4372
+logic.end4372:
+  %t63 = phi i1 [ true, %logic.from4370 ], [ %t62, %logic.rend4373 ]
+  br label %logic.from4374
+logic.from4374:
+  br i1 %t63, label %logic.end4376, label %logic.rhs4375
+logic.rhs4375:
   %t64 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t64, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.2590, i64 4, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2677, i64 4, i64 0 }, ptr %a66
   %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
   %t68 = icmp ne i32 %t67, 0
-  br label %logic.rend4157
-logic.rend4157:
-  br label %logic.end4156
-logic.end4156:
-  %t69 = phi i1 [ true, %logic.from4154 ], [ %t68, %logic.rend4157 ]
-  br i1 %t69, label %then4158, label %endif4160
-then4158:
+  br label %logic.rend4377
+logic.rend4377:
+  br label %logic.end4376
+logic.end4376:
+  %t69 = phi i1 [ true, %logic.from4374 ], [ %t68, %logic.rend4377 ]
+  br i1 %t69, label %then4378, label %endif4380
+then4378:
   %t70 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 4, 0
   %t71 = insertvalue %S.gen.SizeAlign %t70, i64 4, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t71
-endif4160:
+endif4380:
   %t72 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t72, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.2591, i64 3, i64 0 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.2678, i64 3, i64 0 }, ptr %a74
   %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
   %t76 = icmp ne i32 %t75, 0
-  br label %logic.from4161
-logic.from4161:
-  br i1 %t76, label %logic.end4163, label %logic.rhs4162
-logic.rhs4162:
+  br label %logic.from4381
+logic.from4381:
+  br i1 %t76, label %logic.end4383, label %logic.rhs4382
+logic.rhs4382:
   %t77 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.2592, i64 5, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.2679, i64 5, i64 0 }, ptr %a79
   %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
   %t81 = icmp ne i32 %t80, 0
-  br label %logic.rend4164
-logic.rend4164:
-  br label %logic.end4163
-logic.end4163:
-  %t82 = phi i1 [ true, %logic.from4161 ], [ %t81, %logic.rend4164 ]
-  br i1 %t82, label %then4165, label %endif4167
-then4165:
+  br label %logic.rend4384
+logic.rend4384:
+  br label %logic.end4383
+logic.end4383:
+  %t82 = phi i1 [ true, %logic.from4381 ], [ %t81, %logic.rend4384 ]
+  br i1 %t82, label %then4385, label %endif4387
+then4385:
   %t83 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 24, 0
   %t84 = insertvalue %S.gen.SizeAlign %t83, i64 8, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t84
-endif4167:
+endif4387:
   %t85 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t85, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.2593, i64 3, i64 0 }, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.2680, i64 3, i64 0 }, ptr %a87
   %t88 = call i32 @finch_str_eq(ptr %a86, ptr %a87)
   %t89 = icmp ne i32 %t88, 0
-  br i1 %t89, label %then4168, label %endif4170
-then4168:
+  br i1 %t89, label %then4388, label %endif4390
+then4388:
   %t90 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 56, 0
   %t91 = insertvalue %S.gen.SizeAlign %t90, i64 8, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t91
-endif4170:
+endif4390:
   %t92 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t92, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.2594, i64 5, i64 0 }, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.2681, i64 5, i64 0 }, ptr %a94
   %t95 = call i32 @finch_str_eq(ptr %a93, ptr %a94)
   %t96 = icmp ne i32 %t95, 0
-  br i1 %t96, label %then4171, label %endif4173
-then4171:
+  br i1 %t96, label %then4391, label %endif4393
+then4391:
   %t97 = load ptr, ptr %a1
   %t98 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t99 = load { ptr, i64, i64 }, ptr %t98
   %t100 = extractvalue { ptr, i64, i64 } %t99, 1
   %t101 = icmp uge i64 0, %t100
-  br i1 %t101, label %range4174, label %inrange4175
-range4174:
-  call void @finch_panic_index(ptr @.str.2595, i64 1744, i64 0, i64 %t100)
+  br i1 %t101, label %range4394, label %inrange4395
+range4394:
+  call void @finch_panic_index(ptr @.str.2682, i64 1899, i64 0, i64 %t100)
   unreachable
-inrange4175:
+inrange4395:
   %t102 = extractvalue { ptr, i64, i64 } %t99, 0
   %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i64 0
   %t104 = load %S.ast.Type, ptr %t103
@@ -38430,23 +44560,24 @@ inrange4175:
   %t113 = getelementptr inbounds %S.gen.SizeAlign, ptr %a106, i32 0, i32 1
   %t114 = load i64, ptr %t113
   %t115 = insertvalue %S.gen.SizeAlign %t112, i64 %t114, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t115
-endif4173:
+endif4393:
   %t116 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t116, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.2596, i64 6, i64 0 }, ptr %a118
+  store { ptr, i64, i64 } { ptr @.str.2683, i64 6, i64 0 }, ptr %a118
   %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
   %t120 = icmp ne i32 %t119, 0
-  br i1 %t120, label %then4176, label %endif4178
-then4176:
+  br i1 %t120, label %then4396, label %endif4398
+then4396:
   %t121 = load ptr, ptr %a1
   %t122 = icmp eq ptr %t121, null
-  br i1 %t122, label %panic4179, label %ok4180
-panic4179:
-  call void @finch_panic(ptr @.str.2597, i64 1748, ptr @.str.2598)
+  br i1 %t122, label %panic4399, label %ok4400
+panic4399:
+  call void @finch_panic(ptr @.str.2684, i64 1903, ptr @.str.2685)
   unreachable
-ok4180:
-  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 15
+ok4400:
+  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 16
   %t124 = load ptr, ptr %a1
   %t125 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t126 = load { ptr, i64, i64 }, ptr %t125
@@ -38456,11 +44587,11 @@ ok4180:
   %t130 = load { ptr, i64, i64 }, ptr %t123
   %t131 = extractvalue { ptr, i64, i64 } %t130, 1
   %t132 = icmp uge i64 %t129, %t131
-  br i1 %t132, label %range4181, label %inrange4182
-range4181:
-  call void @finch_panic_index(ptr @.str.2599, i64 1748, i64 %t129, i64 %t131)
+  br i1 %t132, label %range4401, label %inrange4402
+range4401:
+  call void @finch_panic_index(ptr @.str.2686, i64 1903, i64 %t129, i64 %t131)
   unreachable
-inrange4182:
+inrange4402:
   %t133 = extractvalue { ptr, i64, i64 } %t130, 0
   %t134 = getelementptr inbounds %S.gen.StructDef, ptr %t133, i64 %t129
   %t135 = load %S.gen.StructDef, ptr %t134
@@ -38470,28 +44601,30 @@ inrange4182:
   store %S.gen.StructDef %t138, ptr %a139
   %t140 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 2
   %t141 = load i1, ptr %t140
-  br i1 %t141, label %then4183, label %endif4185
-then4183:
+  br i1 %t141, label %then4403, label %endif4405
+then4403:
   %t142 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 9
   %t143 = load i64, ptr %t142
   %t144 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 %t143, 0
   %t145 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 10
   %t146 = load i64, ptr %t145
   %t147 = insertvalue %S.gen.SizeAlign %t144, i64 %t146, 1
+  call void @finch.drop.S_gen_StructDef(ptr %a139)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t147
-endif4185:
+endif4405:
   store i64 0, ptr %a148
   store i64 1, ptr %a149
   %t150 = getelementptr inbounds %S.gen.StructDef, ptr %a139, i32 0, i32 12
   store i64 0, ptr %a151
-  br label %each.cond4186
-each.cond4186:
+  br label %each.cond4406
+each.cond4406:
   %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i32 0, i32 1
   %t153 = load i64, ptr %t152
   %t154 = load i64, ptr %a151
   %t155 = icmp slt i64 %t154, %t153
-  br i1 %t155, label %each.body4187, label %each.end4189
-each.body4187:
+  br i1 %t155, label %each.body4407, label %each.end4409
+each.body4407:
   %t156 = load ptr, ptr %t150
   %t157 = getelementptr inbounds %S.ast.Type, ptr %t156, i64 %t154
   %t158 = load %S.ast.Type, ptr %t157
@@ -38512,30 +44645,33 @@ each.body4187:
   %t172 = load i64, ptr %t171
   %t173 = load i64, ptr %a149
   %t174 = icmp sgt i64 %t172, %t173
-  br i1 %t174, label %then4190, label %endif4192
-then4190:
+  br i1 %t174, label %then4410, label %endif4412
+then4410:
   %t175 = getelementptr inbounds %S.gen.SizeAlign, ptr %a163, i32 0, i32 1
   %t176 = load i64, ptr %t175
   store i64 %t176, ptr %a149
-  br label %endif4192
-endif4192:
-  br label %each.step4188
-each.step4188:
+  br label %endif4412
+endif4412:
+  br label %each.step4408
+each.step4408:
   %t177 = load i64, ptr %a151
   %t178 = add i64 %t177, 1
   store i64 %t178, ptr %a151
-  br label %each.cond4186
-each.end4189:
+  br label %each.cond4406
+each.end4409:
   %t179 = load i64, ptr %a148
   %t180 = load i64, ptr %a149
   %t181 = call i64 @finch.gen.alignUp(i64 %t179, i64 %t180)
   %t182 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 %t181, 0
   %t183 = load i64, ptr %a149
   %t184 = insertvalue %S.gen.SizeAlign %t182, i64 %t183, 1
+  call void @finch.drop.S_gen_StructDef(ptr %a139)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t184
-endif4178:
+endif4398:
   %t185 = insertvalue %S.gen.SizeAlign zeroinitializer, i64 8, 0
   %t186 = insertvalue %S.gen.SizeAlign %t185, i64 8, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.SizeAlign %t186
 }
 
@@ -38550,33 +44686,31 @@ entry:
   %a13 = alloca i64, align 16
   %a21 = alloca %S.ast.Type, align 16
   %a25 = alloca %S.gen.SizeAlign, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.StructDef %p1, ptr %a2
   %t3 = getelementptr inbounds %S.gen.StructDef, ptr %a2, i32 0, i32 2
   %t4 = load i1, ptr %t3
-  br i1 %t4, label %then4193, label %endif4195
-then4193:
+  br i1 %t4, label %then4413, label %endif4415
+then4413:
   %t5 = getelementptr inbounds %S.gen.StructDef, ptr %a2, i32 0, i32 4
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
   call void @finch.copy.arr_int(ptr %a8, ptr %a7)
   %t9 = load { ptr, i64, i64 }, ptr %a8
   ret { ptr, i64, i64 } %t9
-endif4195:
+endif4415:
   store { ptr, i64, i64 } zeroinitializer, ptr %a10
   store i64 0, ptr %a11
   %t12 = getelementptr inbounds %S.gen.StructDef, ptr %a2, i32 0, i32 12
   store i64 0, ptr %a13
-  br label %each.cond4196
-each.cond4196:
+  br label %each.cond4416
+each.cond4416:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = load i64, ptr %a13
   %t17 = icmp slt i64 %t16, %t15
-  br i1 %t17, label %each.body4197, label %each.end4199
-each.body4197:
+  br i1 %t17, label %each.body4417, label %each.end4419
+each.body4417:
   %t18 = load ptr, ptr %t12
   %t19 = getelementptr inbounds %S.ast.Type, ptr %t18, i64 %t16
   %t20 = load %S.ast.Type, ptr %t19
@@ -38604,18 +44738,15 @@ each.body4197:
   %t38 = load i64, ptr %a11
   %t39 = add i64 %t38, %t37
   store i64 %t39, ptr %a11
-  br label %each.step4198
-each.step4198:
+  br label %each.step4418
+each.step4418:
   %t40 = load i64, ptr %a13
   %t41 = add i64 %t40, 1
   store i64 %t41, ptr %a13
-  br label %each.cond4196
-each.end4199:
+  br label %each.cond4416
+each.end4419:
   %t42 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch.copy.arr_int(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  ret { ptr, i64, i64 } %t45
+  ret { ptr, i64, i64 } %t42
 }
 
 define internal i64 @finch.gen.dbgMember(ptr %p0, { ptr, i64, i64 } %p1, i64 %p2, i64 %p3, i64 %p4, i64 %p5, i64 %p6, i64 %p7) {
@@ -38634,47 +44765,67 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -38685,81 +44836,121 @@ entry:
   store i64 %p7, ptr %a8
   %t9 = load ptr, ptr %a1
   %t10 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.2600, i64 42, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.2687, i64 42, i64 0 }, ptr %a12
   store { ptr, i64, i64 } %t10, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
   %t14 = load { ptr, i64, i64 }, ptr %a11
   store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.2601, i64 11, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.2688, i64 11, i64 0 }, ptr %a17
   call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  %t19 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a20, i64 %t19)
-  %t21 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a23
-  store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2602, i64 9, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a31, i64 %t30)
-  %t32 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t29, ptr %a34
-  store { ptr, i64, i64 } %t32, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t36, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.2603, i64 8, i64 0 }, ptr %a39
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  %t20 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a21, i64 %t20)
+  %t22 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t19, ptr %a24
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t19, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  store { ptr, i64, i64 } %t22, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.2689, i64 9, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a35, i64 %t34)
+  %t36 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t33, ptr %a38
+  store { ptr, i64, i64 } %t36, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  %t41 = load i64, ptr %a5
-  call void @finch_str_from_int(ptr %a42, i64 %t41)
-  %t43 = load { ptr, i64, i64 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a45
-  store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.2604, i64 12, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = load i64, ptr %a6
-  %t53 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t52)
-  store { ptr, i64, i64 } %t51, ptr %a55
-  store { ptr, i64, i64 } %t53, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t57, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.2605, i64 8, i64 0 }, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load i64, ptr %a7
-  call void @finch_str_from_int(ptr %a63, i64 %t62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t61, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.2606, i64 10, i64 0 }, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load i64, ptr %a8
-  call void @finch_str_from_int(ptr %a74, i64 %t73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.2607, i64 1, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  %t84 = call i64 @finch.gen.md(ptr %t9, { ptr, i64, i64 } %t83)
-  ret i64 %t84
+  store { ptr, i64, i64 } %t33, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  store { ptr, i64, i64 } %t36, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a37
+  store { ptr, i64, i64 } %t42, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.2690, i64 8, i64 0 }, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = load i64, ptr %a5
+  call void @finch_str_from_int(ptr %a49, i64 %t48)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t47, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t47, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  store { ptr, i64, i64 } %t50, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t56, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.2691, i64 12, i64 0 }, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = load i64, ptr %a6
+  %t63 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t62)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t61, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.2692, i64 8, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load i64, ptr %a7
+  call void @finch_str_from_int(ptr %a76, i64 %t75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t74, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t74, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.2693, i64 10, i64 0 }, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  %t89 = load i64, ptr %a8
+  call void @finch_str_from_int(ptr %a90, i64 %t89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t88, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t97, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.2694, i64 1, i64 0 }, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t97, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
+  %t103 = call i64 @finch.gen.md(ptr %t9, { ptr, i64, i64 } %t102)
+  store { ptr, i64, i64 } %t102, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  ret i64 %t103
 }
 
 define internal i64 @finch.gen.basicType(ptr %p0, { ptr, i64, i64 } %p1, i64 %p2, { ptr, i64, i64 } %p3) {
@@ -38774,55 +44965,76 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 %p2, ptr %a3
   store { ptr, i64, i64 } %p3, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.2608, i64 20, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.2695, i64 20, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.2609, i64 9, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.2696, i64 9, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a16, i64 %t15)
-  %t17 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t14, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.2610, i64 12, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t25, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.2611, i64 1, i64 0 }, ptr %a33
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a17, i64 %t16)
+  %t18 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a20
+  store { ptr, i64, i64 } %t18, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t15, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.2697, i64 12, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t29, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = call i64 @finch.gen.md(ptr %t5, { ptr, i64, i64 } %t34)
-  ret i64 %t35
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.2698, i64 1, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = call i64 @finch.gen.md(ptr %t5, { ptr, i64, i64 } %t40)
+  store { ptr, i64, i64 } %t40, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  ret i64 %t41
 }
 
 define internal i64 @finch.gen.diType(ptr %p0, %S.ast.Type %p1) {
@@ -38839,244 +45051,319 @@ entry:
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca i64, align 16
-  %a58 = alloca i64, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca i64, align 16
+  %a59 = alloca i64, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca %S.gen.EnumDef, align 16
-  %a126 = alloca %S.gen.EnumDef, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca %S.gen.EnumDef, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca i64, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca %S.gen.EnumDef, align 16
+  %a131 = alloca %S.gen.EnumDef, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca i64, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
   %a192 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca i32, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca i64, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca i32, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca i64, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca %S.gen.SizeAlign, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca i64, align 16
+  %a305 = alloca %S.gen.SizeAlign, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
   %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca i64, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
   %a339 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
   %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca %S.ast.Type, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca %S.ast.Type, align 16
-  %a381 = alloca %S.ast.Type, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a394 = alloca { ptr, i64, i64 }, align 16
-  %a397 = alloca i64, align 16
-  %a401 = alloca i64, align 16
-  %a407 = alloca i64, align 16
-  %a413 = alloca i64, align 16
-  %a419 = alloca i64, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca %S.ast.Type, align 16
+  %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca %S.ast.Type, align 16
+  %a414 = alloca %S.ast.Type, align 16
+  %a417 = alloca %S.ast.Type, align 16
   %a423 = alloca { ptr, i64, i64 }, align 16
   %a424 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a430 = alloca { ptr, i64, i64 }, align 16
   %a431 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
-  %a439 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a459 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca i64, align 16
+  %a439 = alloca %S.ast.Type, align 16
+  %a440 = alloca i64, align 16
+  %a446 = alloca i64, align 16
+  %a452 = alloca i64, align 16
+  %a458 = alloca i64, align 16
   %a461 = alloca { ptr, i64, i64 }, align 16
+  %a462 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
   %a464 = alloca { ptr, i64, i64 }, align 16
   %a466 = alloca { ptr, i64, i64 }, align 16
   %a467 = alloca { ptr, i64, i64 }, align 16
   %a468 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
   %a472 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca i64, align 16
-  %a494 = alloca i64, align 16
-  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a483 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca i64, align 16
-  %a513 = alloca i64, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a517 = alloca { ptr, i64, i64 }, align 16
+  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a519 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a525 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
   %a539 = alloca { ptr, i64, i64 }, align 16
-  %a549 = alloca { ptr, i64, i64 }, align 16
-  %a550 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
-  %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca { ptr, i64, i64 }, align 16
-  %a560 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca %S.ast.Type, align 16
+  %a547 = alloca i64, align 16
+  %a550 = alloca i64, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
   %a564 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
-  %a570 = alloca { ptr, i64, i64 }, align 16
-  %a572 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a574 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca i64, align 16
+  %a569 = alloca i64, align 16
   %a591 = alloca { ptr, i64, i64 }, align 16
-  %a609 = alloca %S.gen.StructDef, align 16
-  %a610 = alloca %S.gen.StructDef, align 16
-  %a612 = alloca %S.gen.StructDef, align 16
-  %a616 = alloca { ptr, i64, i64 }, align 16
-  %a620 = alloca %S.gen.SizeAlign, align 16
+  %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a613 = alloca { ptr, i64, i64 }, align 16
+  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca { ptr, i64, i64 }, align 16
   %a621 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca i64, align 16
-  %a638 = alloca %S.gen.SizeAlign, align 16
-  %a673 = alloca { ptr, i64, i64 }, align 16
-  %a675 = alloca { ptr, i64, i64 }, align 16
-  %a676 = alloca { ptr, i64, i64 }, align 16
-  %a677 = alloca { ptr, i64, i64 }, align 16
-  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a642 = alloca { ptr, i64, i64 }, align 16
+  %a643 = alloca { ptr, i64, i64 }, align 16
+  %a655 = alloca { ptr, i64, i64 }, align 16
+  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca %S.gen.StructDef, align 16
+  %a677 = alloca %S.gen.StructDef, align 16
+  %a679 = alloca %S.gen.StructDef, align 16
+  %a683 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca %S.gen.SizeAlign, align 16
   %a688 = alloca { ptr, i64, i64 }, align 16
-  %a689 = alloca { ptr, i64, i64 }, align 16
-  %a691 = alloca { ptr, i64, i64 }, align 16
-  %a692 = alloca { ptr, i64, i64 }, align 16
-  %a693 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a702 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
-  %a704 = alloca { ptr, i64, i64 }, align 16
-  %a709 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
-  %a720 = alloca { ptr, i64, i64 }, align 16
-  %a721 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
-  %a724 = alloca { ptr, i64, i64 }, align 16
-  %a725 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a741 = alloca { ptr, i64, i64 }, align 16
+  %a692 = alloca i64, align 16
+  %a705 = alloca %S.gen.SizeAlign, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   %a742 = alloca { ptr, i64, i64 }, align 16
   %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
   %a745 = alloca { ptr, i64, i64 }, align 16
-  %a746 = alloca { ptr, i64, i64 }, align 16
-  %a747 = alloca { ptr, i64, i64 }, align 16
-  %a764 = alloca { ptr, i64, i64 }, align 16
-  %a765 = alloca i32, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a765 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a789 = alloca { ptr, i64, i64 }, align 16
+  %a790 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a792 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a799 = alloca { ptr, i64, i64 }, align 16
+  %a800 = alloca { ptr, i64, i64 }, align 16
+  %a801 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a806 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a819 = alloca { ptr, i64, i64 }, align 16
+  %a821 = alloca { ptr, i64, i64 }, align 16
+  %a822 = alloca { ptr, i64, i64 }, align 16
+  %a823 = alloca { ptr, i64, i64 }, align 16
+  %a825 = alloca { ptr, i64, i64 }, align 16
+  %a826 = alloca { ptr, i64, i64 }, align 16
+  %a827 = alloca { ptr, i64, i64 }, align 16
+  %a828 = alloca { ptr, i64, i64 }, align 16
+  %a840 = alloca { ptr, i64, i64 }, align 16
+  %a847 = alloca { ptr, i64, i64 }, align 16
+  %a848 = alloca i32, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
@@ -39087,1138 +45374,1312 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.2612, i64 4, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.2699, i64 4, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from4200
-logic.from4200:
-  br i1 %t13, label %logic.end4202, label %logic.rhs4201
-logic.rhs4201:
+  br label %logic.from4420
+logic.from4420:
+  br i1 %t13, label %logic.end4422, label %logic.rhs4421
+logic.rhs4421:
   %t14 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.2613, i64 4, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.2700, i64 4, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.rend4203
-logic.rend4203:
-  br label %logic.end4202
-logic.end4202:
-  %t19 = phi i1 [ true, %logic.from4200 ], [ %t18, %logic.rend4203 ]
-  br i1 %t19, label %then4204, label %endif4206
-then4204:
+  br label %logic.rend4423
+logic.rend4423:
+  br label %logic.end4422
+logic.end4422:
+  %t19 = phi i1 [ true, %logic.from4420 ], [ %t18, %logic.rend4423 ]
+  br i1 %t19, label %then4424, label %endif4426
+then4424:
+  call void @finch_str_drop(ptr %a8)
   ret i64 -1
-endif4206:
+endif4426:
   %t20 = load %S.ast.Type, ptr %a2
   %t21 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t20)
-  store { ptr, i64, i64 } { ptr @.str.2614, i64 2, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.2701, i64 2, i64 0 }, ptr %a23
   store { ptr, i64, i64 } %t21, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a26
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic4207, label %ok4208
-panic4207:
-  call void @finch_panic(ptr @.str.2615, i64 1797, ptr @.str.2616)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a27
+  %t28 = load ptr, ptr %a1
+  %t29 = icmp eq ptr %t28, null
+  br i1 %t29, label %panic4427, label %ok4428
+panic4427:
+  call void @finch_panic(ptr @.str.2702, i64 1952, ptr @.str.2703)
   unreachable
-ok4208:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 32
-  %t30 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t30, ptr %a31
-  %t32 = call i64 @finch_map_find(ptr %t29, ptr %a31, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t33 = icmp sge i64 %t32, 0
-  br i1 %t33, label %then4209, label %endif4211
-then4209:
-  %t34 = load ptr, ptr %a1
-  %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic4212, label %ok4213
-panic4212:
-  call void @finch_panic(ptr @.str.2617, i64 1798, ptr @.str.2618)
+ok4428:
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %t28, i32 0, i32 33
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t31, ptr %a32
+  %t33 = call i64 @finch_map_find(ptr %t30, ptr %a32, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t34 = icmp sge i64 %t33, 0
+  br i1 %t34, label %then4429, label %endif4431
+then4429:
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic4432, label %ok4433
+panic4432:
+  call void @finch_panic(ptr @.str.2704, i64 1953, ptr @.str.2705)
   unreachable
-ok4213:
-  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 32
-  %t37 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t37, ptr %a38
-  %t39 = call i64 @finch_map_find(ptr %t36, ptr %a38, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t40 = icmp slt i64 %t39, 0
-  br i1 %t40, label %map.missing4214, label %map.found4215
-map.missing4214:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a41
-  store { ptr, i64, i64 } %t37, ptr %a42
-  call void @finch_buf_str(ptr %a41, ptr %a42, i32 1)
-  call void @finch_map_missing(ptr @.str.2619, i64 1798, ptr %a41)
+ok4433:
+  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 33
+  %t38 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t38, ptr %a39
+  %t40 = call i64 @finch_map_find(ptr %t37, ptr %a39, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t41 = icmp slt i64 %t40, 0
+  br i1 %t41, label %map.missing4434, label %map.found4435
+map.missing4434:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a42
+  store { ptr, i64, i64 } %t38, ptr %a43
+  call void @finch_buf_str(ptr %a42, ptr %a43, i32 1)
+  call void @finch_map_missing(ptr @.str.2706, i64 1953, ptr %a42)
   unreachable
-map.found4215:
-  %t43 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t36, i32 0, i32 0
-  %t44 = load ptr, ptr %t43
-  %t45 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t44, i64 %t39
-  %t46 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t45, i32 0, i32 2
-  %t47 = load i64, ptr %t46
-  ret i64 %t47
-endif4211:
-  store i64 -1, ptr %a48
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic4216, label %ok4217
-panic4216:
-  call void @finch_panic(ptr @.str.2620, i64 1801, ptr @.str.2621)
+map.found4435:
+  %t44 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t37, i32 0, i32 0
+  %t45 = load ptr, ptr %t44
+  %t46 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t45, i64 %t40
+  %t47 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t46, i32 0, i32 2
+  %t48 = load i64, ptr %t47
+  call void @finch_str_drop(ptr %a27)
+  call void @finch_str_drop(ptr %a8)
+  ret i64 %t48
+endif4431:
+  store i64 -1, ptr %a49
+  %t50 = load ptr, ptr %a1
+  %t51 = icmp eq ptr %t50, null
+  br i1 %t51, label %panic4436, label %ok4437
+panic4436:
+  call void @finch_panic(ptr @.str.2707, i64 1956, ptr @.str.2708)
   unreachable
-ok4217:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 33
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  %t53 = extractvalue { ptr, i64, i64 } %t52, 1
-  %t54 = icmp uge i64 0, %t53
-  br i1 %t54, label %range4218, label %inrange4219
-range4218:
-  call void @finch_panic_index(ptr @.str.2622, i64 1801, i64 0, i64 %t53)
+ok4437:
+  %t52 = getelementptr inbounds %S.gen.Gen, ptr %t50, i32 0, i32 34
+  %t53 = load { ptr, i64, i64 }, ptr %t52
+  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
+  %t55 = icmp uge i64 0, %t54
+  br i1 %t55, label %range4438, label %inrange4439
+range4438:
+  call void @finch_panic_index(ptr @.str.2709, i64 1956, i64 0, i64 %t54)
   unreachable
-inrange4219:
-  %t55 = extractvalue { ptr, i64, i64 } %t52, 0
-  %t56 = getelementptr inbounds i64, ptr %t55, i64 0
-  %t57 = load i64, ptr %t56
-  store i64 %t57, ptr %a58
-  %t59 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t59, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.2623, i64 4, i64 0 }, ptr %a61
-  %t62 = call i32 @finch_str_eq(ptr %a60, ptr %a61)
-  %t63 = icmp ne i32 %t62, 0
-  br i1 %t63, label %then4220, label %else4221
-then4220:
-  %t64 = load ptr, ptr %a1
-  %t65 = call i64 @finch.gen.basicType(ptr %t64, { ptr, i64, i64 } { ptr @.str.2624, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2625, i64 14, i64 0 })
-  store i64 %t65, ptr %a48
-  br label %endif4222
-else4221:
-  %t66 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.2626, i64 4, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp ne i32 %t69, 0
-  br i1 %t70, label %then4223, label %else4224
-then4223:
-  %t71 = load ptr, ptr %a1
-  %t72 = call i64 @finch.gen.basicType(ptr %t71, { ptr, i64, i64 } { ptr @.str.2627, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2628, i64 18, i64 0 })
-  store i64 %t72, ptr %a48
-  br label %endif4225
-else4224:
-  %t73 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.2629, i64 3, i64 0 }, ptr %a75
-  %t76 = call i32 @finch_str_eq(ptr %a74, ptr %a75)
-  %t77 = icmp ne i32 %t76, 0
-  br i1 %t77, label %then4226, label %else4227
-then4226:
-  %t78 = load ptr, ptr %a1
-  %t79 = call i64 @finch.gen.basicType(ptr %t78, { ptr, i64, i64 } { ptr @.str.2630, i64 3, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2631, i64 13, i64 0 })
-  store i64 %t79, ptr %a48
-  br label %endif4228
-else4227:
-  %t80 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.2632, i64 5, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %then4229, label %else4230
-then4229:
-  %t85 = load ptr, ptr %a1
-  %t86 = call i64 @finch.gen.basicType(ptr %t85, { ptr, i64, i64 } { ptr @.str.2633, i64 5, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2634, i64 12, i64 0 })
-  store i64 %t86, ptr %a48
-  br label %endif4231
-else4230:
-  %t87 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.2635, i64 3, i64 0 }, ptr %a89
-  %t90 = call i32 @finch_str_eq(ptr %a88, ptr %a89)
-  %t91 = icmp ne i32 %t90, 0
-  br i1 %t91, label %then4232, label %else4233
-then4232:
-  %t92 = load ptr, ptr %a1
-  %t93 = call i64 @finch.gen.basicType(ptr %t92, { ptr, i64, i64 } { ptr @.str.2636, i64 3, i64 0 }, i64 32, { ptr, i64, i64 } { ptr @.str.2637, i64 12, i64 0 })
-  store i64 %t93, ptr %a48
-  br label %endif4234
-else4233:
-  %t94 = load %S.ast.Type, ptr %a2
-  %t95 = call i1 @finch.gen.isInt(%S.ast.Type %t94)
-  br i1 %t95, label %then4235, label %else4236
-then4235:
-  store { ptr, i64, i64 } { ptr @.str.2638, i64 15, i64 0 }, ptr %a96
-  %t97 = load %S.ast.Type, ptr %a2
-  %t98 = call i1 @finch.gen.isSigned(%S.ast.Type %t97)
-  br i1 %t98, label %then4238, label %endif4240
-then4238:
-  store { ptr, i64, i64 } { ptr @.str.2639, i64 13, i64 0 }, ptr %a96
-  br label %endif4240
-endif4240:
-  %t99 = load ptr, ptr %a1
-  %t100 = load { ptr, i64, i64 }, ptr %a8
-  %t101 = load %S.ast.Type, ptr %a2
-  %t102 = call i64 @finch.gen.bitsOf(%S.ast.Type %t101)
-  %t103 = load { ptr, i64, i64 }, ptr %a96
-  %t104 = call i64 @finch.gen.basicType(ptr %t99, { ptr, i64, i64 } %t100, i64 %t102, { ptr, i64, i64 } %t103)
-  store i64 %t104, ptr %a48
-  br label %endif4237
-else4236:
-  %t105 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t105, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.2640, i64 4, i64 0 }, ptr %a107
-  %t108 = call i32 @finch_str_eq(ptr %a106, ptr %a107)
-  %t109 = icmp ne i32 %t108, 0
-  br i1 %t109, label %then4241, label %else4242
-then4241:
-  %t110 = load ptr, ptr %a1
-  %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic4244, label %ok4245
-panic4244:
-  call void @finch_panic(ptr @.str.2641, i64 1819, ptr @.str.2642)
-  unreachable
-ok4245:
-  %t112 = getelementptr inbounds %S.gen.Gen, ptr %t110, i32 0, i32 20
+inrange4439:
+  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
+  %t57 = getelementptr inbounds i64, ptr %t56, i64 0
+  %t58 = load i64, ptr %t57
+  store i64 %t58, ptr %a59
+  %t60 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t60, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.2710, i64 4, i64 0 }, ptr %a62
+  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
+  %t64 = icmp ne i32 %t63, 0
+  br i1 %t64, label %then4440, label %else4441
+then4440:
+  %t65 = load ptr, ptr %a1
+  %t66 = call i64 @finch.gen.basicType(ptr %t65, { ptr, i64, i64 } { ptr @.str.2711, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2712, i64 14, i64 0 })
+  store i64 %t66, ptr %a49
+  br label %endif4442
+else4441:
+  %t67 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t67, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.2713, i64 4, i64 0 }, ptr %a69
+  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
+  %t71 = icmp ne i32 %t70, 0
+  br i1 %t71, label %then4443, label %else4444
+then4443:
+  %t72 = load ptr, ptr %a1
+  %t73 = call i64 @finch.gen.basicType(ptr %t72, { ptr, i64, i64 } { ptr @.str.2714, i64 4, i64 0 }, i64 8, { ptr, i64, i64 } { ptr @.str.2715, i64 18, i64 0 })
+  store i64 %t73, ptr %a49
+  br label %endif4445
+else4444:
+  %t74 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t74, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.2716, i64 3, i64 0 }, ptr %a76
+  %t77 = call i32 @finch_str_eq(ptr %a75, ptr %a76)
+  %t78 = icmp ne i32 %t77, 0
+  br i1 %t78, label %then4446, label %else4447
+then4446:
+  %t79 = load ptr, ptr %a1
+  %t80 = call i64 @finch.gen.basicType(ptr %t79, { ptr, i64, i64 } { ptr @.str.2717, i64 3, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2718, i64 13, i64 0 })
+  store i64 %t80, ptr %a49
+  br label %endif4448
+else4447:
+  %t81 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.2719, i64 5, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br i1 %t85, label %then4449, label %else4450
+then4449:
+  %t86 = load ptr, ptr %a1
+  %t87 = call i64 @finch.gen.basicType(ptr %t86, { ptr, i64, i64 } { ptr @.str.2720, i64 5, i64 0 }, i64 64, { ptr, i64, i64 } { ptr @.str.2721, i64 12, i64 0 })
+  store i64 %t87, ptr %a49
+  br label %endif4451
+else4450:
+  %t88 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t88, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.2722, i64 3, i64 0 }, ptr %a90
+  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
+  %t92 = icmp ne i32 %t91, 0
+  br i1 %t92, label %then4452, label %else4453
+then4452:
+  %t93 = load ptr, ptr %a1
+  %t94 = call i64 @finch.gen.basicType(ptr %t93, { ptr, i64, i64 } { ptr @.str.2723, i64 3, i64 0 }, i64 32, { ptr, i64, i64 } { ptr @.str.2724, i64 12, i64 0 })
+  store i64 %t94, ptr %a49
+  br label %endif4454
+else4453:
+  %t95 = load %S.ast.Type, ptr %a2
+  %t96 = call i1 @finch.gen.isInt(%S.ast.Type %t95)
+  br i1 %t96, label %then4455, label %else4456
+then4455:
+  store { ptr, i64, i64 } { ptr @.str.2725, i64 15, i64 0 }, ptr %a97
+  %t98 = load %S.ast.Type, ptr %a2
+  %t99 = call i1 @finch.gen.isSigned(%S.ast.Type %t98)
+  br i1 %t99, label %then4458, label %endif4460
+then4458:
+  %t100 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.2726, i64 13, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } %t100, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  br label %endif4460
+endif4460:
+  %t102 = load ptr, ptr %a1
+  %t103 = load { ptr, i64, i64 }, ptr %a8
+  %t104 = load %S.ast.Type, ptr %a2
+  %t105 = call i64 @finch.gen.bitsOf(%S.ast.Type %t104)
+  %t106 = load { ptr, i64, i64 }, ptr %a97
+  %t107 = call i64 @finch.gen.basicType(ptr %t102, { ptr, i64, i64 } %t103, i64 %t105, { ptr, i64, i64 } %t106)
+  store i64 %t107, ptr %a49
+  call void @finch_str_drop(ptr %a97)
+  br label %endif4457
+else4456:
+  %t108 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2727, i64 4, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br i1 %t112, label %then4461, label %else4462
+then4461:
   %t113 = load ptr, ptr %a1
-  %t114 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t115 = load { ptr, i64, i64 }, ptr %t114
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  %t118 = call i64 @finch.gen.findEnum(ptr %t113, { ptr, i64, i64 } %t115, { ptr, i64, i64 } %t117)
-  %t119 = load { ptr, i64, i64 }, ptr %t112
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 %t118, %t120
-  br i1 %t121, label %range4246, label %inrange4247
-range4246:
-  call void @finch_panic_index(ptr @.str.2643, i64 1819, i64 %t118, i64 %t120)
+  %t114 = icmp eq ptr %t113, null
+  br i1 %t114, label %panic4464, label %ok4465
+panic4464:
+  call void @finch_panic(ptr @.str.2728, i64 1974, ptr @.str.2729)
   unreachable
-inrange4247:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.gen.EnumDef, ptr %t122, i64 %t118
-  %t124 = load %S.gen.EnumDef, ptr %t123
-  store %S.gen.EnumDef %t124, ptr %a125
-  call void @finch.copy.S_gen_EnumDef(ptr %a126, ptr %a125)
-  %t127 = load %S.gen.EnumDef, ptr %a126
+ok4465:
+  %t115 = getelementptr inbounds %S.gen.Gen, ptr %t113, i32 0, i32 21
+  %t116 = load ptr, ptr %a1
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t120 = load { ptr, i64, i64 }, ptr %t119
+  %t121 = call i64 @finch.gen.findEnum(ptr %t116, { ptr, i64, i64 } %t118, { ptr, i64, i64 } %t120)
+  %t122 = load { ptr, i64, i64 }, ptr %t115
+  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
+  %t124 = icmp uge i64 %t121, %t123
+  br i1 %t124, label %range4466, label %inrange4467
+range4466:
+  call void @finch_panic_index(ptr @.str.2730, i64 1974, i64 %t121, i64 %t123)
+  unreachable
+inrange4467:
+  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
+  %t126 = getelementptr inbounds %S.gen.EnumDef, ptr %t125, i64 %t121
+  %t127 = load %S.gen.EnumDef, ptr %t126
   store %S.gen.EnumDef %t127, ptr %a128
-  store { ptr, i64, i64 } zeroinitializer, ptr %a129
-  %t130 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 2
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  store i64 0, ptr %a133
-  br label %for.cond4248
-for.cond4248:
-  %t134 = load i64, ptr %a133
-  %t135 = icmp slt i64 %t134, %t132
-  br i1 %t135, label %for.body4249, label %for.end4251
-for.body4249:
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  %t137 = load ptr, ptr %a1
-  %t138 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 2
-  %t139 = load i64, ptr %a133
-  %t140 = load { ptr, i64, i64 }, ptr %t138
-  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
-  %t142 = icmp uge i64 %t139, %t141
-  br i1 %t142, label %range4252, label %inrange4253
-range4252:
-  call void @finch_panic_index(ptr @.str.2645, i64 1822, i64 %t139, i64 %t141)
+  call void @finch.copy.S_gen_EnumDef(ptr %a129, ptr %a128)
+  %t130 = load %S.gen.EnumDef, ptr %a129
+  store %S.gen.EnumDef %t130, ptr %a131
+  store { ptr, i64, i64 } zeroinitializer, ptr %a132
+  %t133 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 2
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load i64, ptr %t134
+  store i64 0, ptr %a136
+  br label %for.cond4468
+for.cond4468:
+  %t137 = load i64, ptr %a136
+  %t138 = icmp slt i64 %t137, %t135
+  br i1 %t138, label %for.body4469, label %for.end4471
+for.body4469:
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  %t140 = load ptr, ptr %a1
+  %t141 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 2
+  %t142 = load i64, ptr %a136
+  %t143 = load { ptr, i64, i64 }, ptr %t141
+  %t144 = extractvalue { ptr, i64, i64 } %t143, 1
+  %t145 = icmp uge i64 %t142, %t144
+  br i1 %t145, label %range4472, label %inrange4473
+range4472:
+  call void @finch_panic_index(ptr @.str.2732, i64 1977, i64 %t142, i64 %t144)
   unreachable
-inrange4253:
-  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
-  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t143, i64 %t139
-  %t145 = load { ptr, i64, i64 }, ptr %t144
-  store { ptr, i64, i64 } { ptr @.str.2644, i64 21, i64 0 }, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t149, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.2646, i64 10, i64 0 }, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  %t154 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 3
-  %t155 = load i64, ptr %a133
-  %t156 = load { ptr, i64, i64 }, ptr %t154
-  %t157 = extractvalue { ptr, i64, i64 } %t156, 1
-  %t158 = icmp uge i64 %t155, %t157
-  br i1 %t158, label %range4254, label %inrange4255
-range4254:
-  call void @finch_panic_index(ptr @.str.2647, i64 1822, i64 %t155, i64 %t157)
+inrange4473:
+  %t146 = extractvalue { ptr, i64, i64 } %t143, 0
+  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i64 %t142
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  store { ptr, i64, i64 } { ptr @.str.2731, i64 21, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.2733, i64 10, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  %t158 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 3
+  %t159 = load i64, ptr %a136
+  %t160 = load { ptr, i64, i64 }, ptr %t158
+  %t161 = extractvalue { ptr, i64, i64 } %t160, 1
+  %t162 = icmp uge i64 %t159, %t161
+  br i1 %t162, label %range4474, label %inrange4475
+range4474:
+  call void @finch_panic_index(ptr @.str.2734, i64 1977, i64 %t159, i64 %t161)
   unreachable
-inrange4255:
-  %t159 = extractvalue { ptr, i64, i64 } %t156, 0
-  %t160 = getelementptr inbounds i64, ptr %t159, i64 %t155
-  %t161 = load i64, ptr %t160
-  call void @finch_str_from_int(ptr %a162, i64 %t161)
-  %t163 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t153, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  store { ptr, i64, i64 } { ptr @.str.2648, i64 1, i64 0 }, ptr %a170
+inrange4475:
+  %t163 = extractvalue { ptr, i64, i64 } %t160, 0
+  %t164 = getelementptr inbounds i64, ptr %t163, i64 %t159
+  %t165 = load i64, ptr %t164
+  call void @finch_str_from_int(ptr %a166, i64 %t165)
+  %t167 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t157, ptr %a169
+  store { ptr, i64, i64 } %t167, ptr %a170
   call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  %t172 = call i64 @finch.gen.md(ptr %t137, { ptr, i64, i64 } %t171)
-  %t173 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t172)
-  %t174 = load i64, ptr %t136
-  %t175 = add i64 %t174, 1
-  call void @finch_arr_reserve(ptr %a129, i64 %t175, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t176 = load ptr, ptr %a129
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 %t174
-  store { ptr, i64, i64 } %t173, ptr %t177
-  store i64 %t175, ptr %t136
-  br label %for.step4250
-for.step4250:
-  %t178 = load i64, ptr %a133
-  %t179 = add i64 %t178, 1
-  store i64 %t179, ptr %a133
-  br label %for.cond4248
-for.end4251:
-  %t180 = load ptr, ptr %a1
-  %t181 = getelementptr inbounds %S.gen.EnumDef, ptr %a128, i32 0, i32 1
-  %t182 = load { ptr, i64, i64 }, ptr %t181
-  store { ptr, i64, i64 } { ptr @.str.2649, i64 54, i64 0 }, ptr %a184
-  store { ptr, i64, i64 } %t182, ptr %a185
-  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t186, ptr %a188
-  store { ptr, i64, i64 } { ptr @.str.2650, i64 10, i64 0 }, ptr %a189
-  call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
-  %t190 = load { ptr, i64, i64 }, ptr %a187
-  %t191 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a192, i64 %t191)
-  %t193 = load { ptr, i64, i64 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a195
-  store { ptr, i64, i64 } %t193, ptr %a196
-  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
-  %t197 = load { ptr, i64, i64 }, ptr %a194
-  store { ptr, i64, i64 } %t197, ptr %a199
-  store { ptr, i64, i64 } { ptr @.str.2651, i64 24, i64 0 }, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %a129, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2652, i64 2, i64 0 }, ptr %a203
-  call void @finch_str_join(ptr %a204, ptr %a129, ptr %a203)
-  %t205 = load { ptr, i64, i64 }, ptr %a204
-  store { ptr, i64, i64 } %t201, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t209, ptr %a211
-  store { ptr, i64, i64 } { ptr @.str.2653, i64 2, i64 0 }, ptr %a212
-  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
-  %t213 = load { ptr, i64, i64 }, ptr %a210
-  %t214 = call i64 @finch.gen.md(ptr %t180, { ptr, i64, i64 } %t213)
-  store i64 %t214, ptr %a48
-  br label %endif4243
-else4242:
-  %t215 = load ptr, ptr %a1
-  %t216 = call i64 @finch.gen.md(ptr %t215, { ptr, i64, i64 } { ptr @.str.2654, i64 0, i64 0 })
-  store i64 %t216, ptr %a48
-  %t217 = load i64, ptr %a48
-  %t218 = load ptr, ptr %a1
-  %t219 = icmp eq ptr %t218, null
-  br i1 %t219, label %panic4256, label %ok4257
-panic4256:
-  call void @finch_panic(ptr @.str.2655, i64 1828, ptr @.str.2656)
+  store { ptr, i64, i64 } %t157, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  store { ptr, i64, i64 } %t167, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t173, ptr %a175
+  store { ptr, i64, i64 } { ptr @.str.2735, i64 1, i64 0 }, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t173, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  %t179 = call i64 @finch.gen.md(ptr %t140, { ptr, i64, i64 } %t178)
+  store { ptr, i64, i64 } %t178, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  %t181 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t179)
+  %t182 = load i64, ptr %t139
+  %t183 = add i64 %t182, 1
+  call void @finch_arr_reserve(ptr %a132, i64 %t183, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t184 = load ptr, ptr %a132
+  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i64 %t182
+  store { ptr, i64, i64 } %t181, ptr %t185
+  store i64 %t183, ptr %t139
+  br label %for.step4470
+for.step4470:
+  %t186 = load i64, ptr %a136
+  %t187 = add i64 %t186, 1
+  store i64 %t187, ptr %a136
+  br label %for.cond4468
+for.end4471:
+  %t188 = load ptr, ptr %a1
+  %t189 = getelementptr inbounds %S.gen.EnumDef, ptr %a131, i32 0, i32 1
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  store { ptr, i64, i64 } { ptr @.str.2736, i64 54, i64 0 }, ptr %a192
+  store { ptr, i64, i64 } %t190, ptr %a193
+  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
+  %t194 = load { ptr, i64, i64 }, ptr %a191
+  store { ptr, i64, i64 } %t194, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.2737, i64 10, i64 0 }, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t194, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  %t200 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a201, i64 %t200)
+  %t202 = load { ptr, i64, i64 }, ptr %a201
+  store { ptr, i64, i64 } %t199, ptr %a204
+  store { ptr, i64, i64 } %t202, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t199, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  store { ptr, i64, i64 } %t202, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } %t208, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.2738, i64 24, i64 0 }, ptr %a211
+  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
+  store { ptr, i64, i64 } %t208, ptr %a212
+  call void @finch_str_drop(ptr %a212)
+  %t213 = load { ptr, i64, i64 }, ptr %a209
+  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %a132, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2739, i64 2, i64 0 }, ptr %a215
+  call void @finch_str_join(ptr %a216, ptr %a132, ptr %a215)
+  %t217 = load { ptr, i64, i64 }, ptr %a216
+  store { ptr, i64, i64 } %t213, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t213, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  store { ptr, i64, i64 } %t217, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.2740, i64 2, i64 0 }, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = call i64 @finch.gen.md(ptr %t188, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t228, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  store i64 %t229, ptr %a49
+  call void @finch.drop.arr_str(ptr %a132)
+  call void @finch.drop.S_gen_EnumDef(ptr %a131)
+  br label %endif4463
+else4462:
+  %t231 = load ptr, ptr %a1
+  %t232 = call i64 @finch.gen.md(ptr %t231, { ptr, i64, i64 } { ptr @.str.2741, i64 0, i64 0 })
+  store i64 %t232, ptr %a49
+  %t233 = load i64, ptr %a49
+  %t234 = load ptr, ptr %a1
+  %t235 = icmp eq ptr %t234, null
+  br i1 %t235, label %panic4476, label %ok4477
+panic4476:
+  call void @finch_panic(ptr @.str.2742, i64 1983, ptr @.str.2743)
   unreachable
-ok4257:
-  %t220 = getelementptr inbounds %S.gen.Gen, ptr %t218, i32 0, i32 32
-  %t221 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t221, ptr %a222
-  store i32 0, ptr %a223
-  %t224 = call i64 @finch_map_slot(ptr %t220, ptr %a222, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a223)
-  %t225 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t220, i32 0, i32 0
-  %t226 = load ptr, ptr %t225
-  %t227 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t226, i64 %t224
-  %t228 = load i32, ptr %a223
-  %t229 = icmp ne i32 %t228, 0
-  br i1 %t229, label %map.new4258, label %map.have4259
-map.new4258:
-  %t230 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t227, i32 0, i32 1
-  call void @finch_str_copy(ptr %t230, ptr %a222)
-  %t231 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t227, i32 0, i32 2
-  store i64 0, ptr %t231
-  br label %map.have4259
-map.have4259:
-  %t232 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t227, i32 0, i32 2
-  store i64 %t217, ptr %t232
-  %t233 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t233, ptr %a234
-  store { ptr, i64, i64 } { ptr @.str.2657, i64 3, i64 0 }, ptr %a235
-  %t236 = call i32 @finch_str_eq(ptr %a234, ptr %a235)
-  %t237 = icmp ne i32 %t236, 0
-  br i1 %t237, label %then4260, label %else4261
-then4260:
-  store i64 -1, ptr %a238
-  %t239 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %t239, i32 0, i32 1
-  %t241 = load i64, ptr %t240
-  %t242 = icmp sgt i64 %t241, 0
-  br i1 %t242, label %then4263, label %endif4265
-then4263:
-  %t243 = load ptr, ptr %a1
-  %t244 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t245 = load { ptr, i64, i64 }, ptr %t244
-  %t246 = extractvalue { ptr, i64, i64 } %t245, 1
-  %t247 = icmp uge i64 0, %t246
-  br i1 %t247, label %range4266, label %inrange4267
-range4266:
-  call void @finch_panic_index(ptr @.str.2658, i64 1832, i64 0, i64 %t246)
+ok4477:
+  %t236 = getelementptr inbounds %S.gen.Gen, ptr %t234, i32 0, i32 33
+  %t237 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t237, ptr %a238
+  store i32 0, ptr %a239
+  %t240 = call i64 @finch_map_slot(ptr %t236, ptr %a238, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a239)
+  %t241 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t236, i32 0, i32 0
+  %t242 = load ptr, ptr %t241
+  %t243 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t242, i64 %t240
+  %t244 = load i32, ptr %a239
+  %t245 = icmp ne i32 %t244, 0
+  br i1 %t245, label %map.new4478, label %map.have4479
+map.new4478:
+  %t246 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t243, i32 0, i32 1
+  call void @finch_str_copy(ptr %t246, ptr %a238)
+  %t247 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t243, i32 0, i32 2
+  store i64 0, ptr %t247
+  br label %map.have4479
+map.have4479:
+  %t248 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t243, i32 0, i32 2
+  store i64 %t233, ptr %t248
+  %t249 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t249, ptr %a250
+  store { ptr, i64, i64 } { ptr @.str.2744, i64 3, i64 0 }, ptr %a251
+  %t252 = call i32 @finch_str_eq(ptr %a250, ptr %a251)
+  %t253 = icmp ne i32 %t252, 0
+  br i1 %t253, label %then4480, label %else4481
+then4480:
+  store i64 -1, ptr %a254
+  %t255 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t256 = getelementptr inbounds { ptr, i64, i64 }, ptr %t255, i32 0, i32 1
+  %t257 = load i64, ptr %t256
+  %t258 = icmp sgt i64 %t257, 0
+  br i1 %t258, label %then4483, label %endif4485
+then4483:
+  %t259 = load ptr, ptr %a1
+  %t260 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t261 = load { ptr, i64, i64 }, ptr %t260
+  %t262 = extractvalue { ptr, i64, i64 } %t261, 1
+  %t263 = icmp uge i64 0, %t262
+  br i1 %t263, label %range4486, label %inrange4487
+range4486:
+  call void @finch_panic_index(ptr @.str.2745, i64 1987, i64 0, i64 %t262)
   unreachable
-inrange4267:
-  %t248 = extractvalue { ptr, i64, i64 } %t245, 0
-  %t249 = getelementptr inbounds %S.ast.Type, ptr %t248, i64 0
-  %t250 = load %S.ast.Type, ptr %t249
-  %t251 = call i64 @finch.gen.diType(ptr %t243, %S.ast.Type %t250)
-  store i64 %t251, ptr %a238
-  br label %endif4265
-endif4265:
-  %t252 = load i64, ptr %a238
-  %t253 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t252)
-  store { ptr, i64, i64 } { ptr @.str.2659, i64 51, i64 0 }, ptr %a255
-  store { ptr, i64, i64 } %t253, ptr %a256
-  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
-  %t257 = load { ptr, i64, i64 }, ptr %a254
-  store { ptr, i64, i64 } %t257, ptr %a259
-  store { ptr, i64, i64 } { ptr @.str.2660, i64 11, i64 0 }, ptr %a260
-  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
-  %t261 = load { ptr, i64, i64 }, ptr %a258
-  %t262 = load ptr, ptr %a1
-  %t263 = icmp eq ptr %t262, null
-  br i1 %t263, label %panic4268, label %ok4269
-panic4268:
-  call void @finch_panic(ptr @.str.2661, i64 1834, ptr @.str.2662)
+inrange4487:
+  %t264 = extractvalue { ptr, i64, i64 } %t261, 0
+  %t265 = getelementptr inbounds %S.ast.Type, ptr %t264, i64 0
+  %t266 = load %S.ast.Type, ptr %t265
+  %t267 = call i64 @finch.gen.diType(ptr %t259, %S.ast.Type %t266)
+  store i64 %t267, ptr %a254
+  br label %endif4485
+endif4485:
+  %t268 = load i64, ptr %a254
+  %t269 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t268)
+  store { ptr, i64, i64 } { ptr @.str.2746, i64 51, i64 0 }, ptr %a271
+  store { ptr, i64, i64 } %t269, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t269, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.2747, i64 11, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  call void @finch_str_drop(ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a275
+  %t280 = load ptr, ptr %a1
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic4488, label %ok4489
+panic4488:
+  call void @finch_panic(ptr @.str.2748, i64 1989, ptr @.str.2749)
   unreachable
-ok4269:
-  %t264 = getelementptr inbounds %S.gen.Gen, ptr %t262, i32 0, i32 31
-  %t265 = load i64, ptr %a48
-  %t266 = load { ptr, i64, i64 }, ptr %t264
-  %t267 = extractvalue { ptr, i64, i64 } %t266, 1
-  %t268 = icmp uge i64 %t265, %t267
-  br i1 %t268, label %range4270, label %inrange4271
-range4270:
-  call void @finch_panic_index(ptr @.str.2663, i64 1834, i64 %t265, i64 %t267)
+ok4489:
+  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 32
+  %t283 = load i64, ptr %a49
+  %t284 = load { ptr, i64, i64 }, ptr %t282
+  %t285 = extractvalue { ptr, i64, i64 } %t284, 1
+  %t286 = icmp uge i64 %t283, %t285
+  br i1 %t286, label %range4490, label %inrange4491
+range4490:
+  call void @finch_panic_index(ptr @.str.2750, i64 1989, i64 %t283, i64 %t285)
   unreachable
-inrange4271:
-  %t269 = extractvalue { ptr, i64, i64 } %t266, 0
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i64 %t265
-  store { ptr, i64, i64 } %t261, ptr %t270
-  br label %endif4262
-else4261:
-  %t271 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t271, ptr %a272
-  store { ptr, i64, i64 } { ptr @.str.2664, i64 5, i64 0 }, ptr %a273
-  %t274 = call i32 @finch_str_eq(ptr %a272, ptr %a273)
-  %t275 = icmp ne i32 %t274, 0
-  br i1 %t275, label %then4272, label %else4273
-then4272:
-  %t276 = load ptr, ptr %a1
-  %t277 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t278 = load { ptr, i64, i64 }, ptr %t277
-  %t279 = extractvalue { ptr, i64, i64 } %t278, 1
-  %t280 = icmp uge i64 0, %t279
-  br i1 %t280, label %range4275, label %inrange4276
-range4275:
-  call void @finch_panic_index(ptr @.str.2665, i64 1836, i64 0, i64 %t279)
+inrange4491:
+  %t287 = extractvalue { ptr, i64, i64 } %t284, 0
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 %t283
+  %t289 = load { ptr, i64, i64 }, ptr %t288
+  store { ptr, i64, i64 } %t279, ptr %t288
+  store { ptr, i64, i64 } %t289, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  br label %endif4482
+else4481:
+  %t291 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t291, ptr %a292
+  store { ptr, i64, i64 } { ptr @.str.2751, i64 5, i64 0 }, ptr %a293
+  %t294 = call i32 @finch_str_eq(ptr %a292, ptr %a293)
+  %t295 = icmp ne i32 %t294, 0
+  br i1 %t295, label %then4492, label %else4493
+then4492:
+  %t296 = load ptr, ptr %a1
+  %t297 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t298 = load { ptr, i64, i64 }, ptr %t297
+  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
+  %t300 = icmp uge i64 0, %t299
+  br i1 %t300, label %range4495, label %inrange4496
+range4495:
+  call void @finch_panic_index(ptr @.str.2752, i64 1991, i64 0, i64 %t299)
   unreachable
-inrange4276:
-  %t281 = extractvalue { ptr, i64, i64 } %t278, 0
-  %t282 = getelementptr inbounds %S.ast.Type, ptr %t281, i64 0
-  %t283 = load %S.ast.Type, ptr %t282
-  %t284 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t276, %S.ast.Type %t283)
-  store %S.gen.SizeAlign %t284, ptr %a285
-  %t286 = load ptr, ptr %a1
-  %t287 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t288 = load i64, ptr %t287
-  call void @finch_str_from_int(ptr %a289, i64 %t288)
-  %t290 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } { ptr @.str.2666, i64 19, i64 0 }, ptr %a292
-  store { ptr, i64, i64 } %t290, ptr %a293
-  call void @finch_str_concat(ptr %a291, ptr %a292, ptr %a293)
-  %t294 = load { ptr, i64, i64 }, ptr %a291
-  store { ptr, i64, i64 } %t294, ptr %a296
-  store { ptr, i64, i64 } { ptr @.str.2667, i64 1, i64 0 }, ptr %a297
-  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
-  %t298 = load { ptr, i64, i64 }, ptr %a295
-  %t299 = call i64 @finch.gen.md(ptr %t286, { ptr, i64, i64 } %t298)
-  store i64 %t299, ptr %a300
-  %t301 = load ptr, ptr %a1
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  %t304 = extractvalue { ptr, i64, i64 } %t303, 1
-  %t305 = icmp uge i64 0, %t304
-  br i1 %t305, label %range4277, label %inrange4278
-range4277:
-  call void @finch_panic_index(ptr @.str.2669, i64 1838, i64 0, i64 %t304)
-  unreachable
-inrange4278:
-  %t306 = extractvalue { ptr, i64, i64 } %t303, 0
-  %t307 = getelementptr inbounds %S.ast.Type, ptr %t306, i64 0
-  %t308 = load %S.ast.Type, ptr %t307
-  %t309 = call i64 @finch.gen.diType(ptr %t301, %S.ast.Type %t308)
-  %t310 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t309)
-  store { ptr, i64, i64 } { ptr @.str.2668, i64 51, i64 0 }, ptr %a312
+inrange4496:
+  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
+  %t302 = getelementptr inbounds %S.ast.Type, ptr %t301, i64 0
+  %t303 = load %S.ast.Type, ptr %t302
+  %t304 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t296, %S.ast.Type %t303)
+  store %S.gen.SizeAlign %t304, ptr %a305
+  %t306 = load ptr, ptr %a1
+  %t307 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t308 = load i64, ptr %t307
+  call void @finch_str_from_int(ptr %a309, i64 %t308)
+  %t310 = load { ptr, i64, i64 }, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.2753, i64 19, i64 0 }, ptr %a312
   store { ptr, i64, i64 } %t310, ptr %a313
   call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.2670, i64 8, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = getelementptr inbounds %S.gen.SizeAlign, ptr %a285, i32 0, i32 0
-  %t320 = load i64, ptr %t319
-  %t321 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
-  %t322 = load i64, ptr %t321
-  %t323 = mul i64 %t320, %t322
-  %t324 = mul i64 %t323, 8
-  call void @finch_str_from_int(ptr %a325, i64 %t324)
-  %t326 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t318, ptr %a328
-  store { ptr, i64, i64 } %t326, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  store { ptr, i64, i64 } %t330, ptr %a332
-  store { ptr, i64, i64 } { ptr @.str.2671, i64 15, i64 0 }, ptr %a333
-  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
-  %t334 = load { ptr, i64, i64 }, ptr %a331
-  %t335 = load i64, ptr %a300
-  call void @finch_str_from_int(ptr %a336, i64 %t335)
-  %t337 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } %t334, ptr %a339
-  store { ptr, i64, i64 } %t337, ptr %a340
-  call void @finch_str_concat(ptr %a338, ptr %a339, ptr %a340)
-  %t341 = load { ptr, i64, i64 }, ptr %a338
-  store { ptr, i64, i64 } %t341, ptr %a343
-  store { ptr, i64, i64 } { ptr @.str.2672, i64 2, i64 0 }, ptr %a344
-  call void @finch_str_concat(ptr %a342, ptr %a343, ptr %a344)
-  %t345 = load { ptr, i64, i64 }, ptr %a342
-  %t346 = load ptr, ptr %a1
-  %t347 = icmp eq ptr %t346, null
-  br i1 %t347, label %panic4279, label %ok4280
-panic4279:
-  call void @finch_panic(ptr @.str.2673, i64 1838, ptr @.str.2674)
+  store { ptr, i64, i64 } %t310, ptr %a314
+  call void @finch_str_drop(ptr %a314)
+  %t315 = load { ptr, i64, i64 }, ptr %a311
+  store { ptr, i64, i64 } %t315, ptr %a317
+  store { ptr, i64, i64 } { ptr @.str.2754, i64 1, i64 0 }, ptr %a318
+  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
+  store { ptr, i64, i64 } %t315, ptr %a319
+  call void @finch_str_drop(ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a316
+  %t321 = call i64 @finch.gen.md(ptr %t306, { ptr, i64, i64 } %t320)
+  store { ptr, i64, i64 } %t320, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  store i64 %t321, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t326 = load { ptr, i64, i64 }, ptr %t325
+  %t327 = extractvalue { ptr, i64, i64 } %t326, 1
+  %t328 = icmp uge i64 0, %t327
+  br i1 %t328, label %range4497, label %inrange4498
+range4497:
+  call void @finch_panic_index(ptr @.str.2756, i64 1993, i64 0, i64 %t327)
   unreachable
-ok4280:
-  %t348 = getelementptr inbounds %S.gen.Gen, ptr %t346, i32 0, i32 31
-  %t349 = load i64, ptr %a48
-  %t350 = load { ptr, i64, i64 }, ptr %t348
-  %t351 = extractvalue { ptr, i64, i64 } %t350, 1
-  %t352 = icmp uge i64 %t349, %t351
-  br i1 %t352, label %range4281, label %inrange4282
-range4281:
-  call void @finch_panic_index(ptr @.str.2675, i64 1838, i64 %t349, i64 %t351)
+inrange4498:
+  %t329 = extractvalue { ptr, i64, i64 } %t326, 0
+  %t330 = getelementptr inbounds %S.ast.Type, ptr %t329, i64 0
+  %t331 = load %S.ast.Type, ptr %t330
+  %t332 = call i64 @finch.gen.diType(ptr %t324, %S.ast.Type %t331)
+  %t333 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t332)
+  store { ptr, i64, i64 } { ptr @.str.2755, i64 51, i64 0 }, ptr %a335
+  store { ptr, i64, i64 } %t333, ptr %a336
+  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
+  store { ptr, i64, i64 } %t333, ptr %a337
+  call void @finch_str_drop(ptr %a337)
+  %t338 = load { ptr, i64, i64 }, ptr %a334
+  store { ptr, i64, i64 } %t338, ptr %a340
+  store { ptr, i64, i64 } { ptr @.str.2757, i64 8, i64 0 }, ptr %a341
+  call void @finch_str_concat(ptr %a339, ptr %a340, ptr %a341)
+  store { ptr, i64, i64 } %t338, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load { ptr, i64, i64 }, ptr %a339
+  %t344 = getelementptr inbounds %S.gen.SizeAlign, ptr %a305, i32 0, i32 0
+  %t345 = load i64, ptr %t344
+  %t346 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
+  %t347 = load i64, ptr %t346
+  %t348 = mul i64 %t345, %t347
+  %t349 = mul i64 %t348, 8
+  call void @finch_str_from_int(ptr %a350, i64 %t349)
+  %t351 = load { ptr, i64, i64 }, ptr %a350
+  store { ptr, i64, i64 } %t343, ptr %a353
+  store { ptr, i64, i64 } %t351, ptr %a354
+  call void @finch_str_concat(ptr %a352, ptr %a353, ptr %a354)
+  store { ptr, i64, i64 } %t343, ptr %a355
+  call void @finch_str_drop(ptr %a355)
+  store { ptr, i64, i64 } %t351, ptr %a356
+  call void @finch_str_drop(ptr %a356)
+  %t357 = load { ptr, i64, i64 }, ptr %a352
+  store { ptr, i64, i64 } %t357, ptr %a359
+  store { ptr, i64, i64 } { ptr @.str.2758, i64 15, i64 0 }, ptr %a360
+  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
+  store { ptr, i64, i64 } %t357, ptr %a361
+  call void @finch_str_drop(ptr %a361)
+  %t362 = load { ptr, i64, i64 }, ptr %a358
+  %t363 = load i64, ptr %a323
+  call void @finch_str_from_int(ptr %a364, i64 %t363)
+  %t365 = load { ptr, i64, i64 }, ptr %a364
+  store { ptr, i64, i64 } %t362, ptr %a367
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  store { ptr, i64, i64 } %t362, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  store { ptr, i64, i64 } %t365, ptr %a370
+  call void @finch_str_drop(ptr %a370)
+  %t371 = load { ptr, i64, i64 }, ptr %a366
+  store { ptr, i64, i64 } %t371, ptr %a373
+  store { ptr, i64, i64 } { ptr @.str.2759, i64 2, i64 0 }, ptr %a374
+  call void @finch_str_concat(ptr %a372, ptr %a373, ptr %a374)
+  store { ptr, i64, i64 } %t371, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  %t376 = load { ptr, i64, i64 }, ptr %a372
+  %t377 = load ptr, ptr %a1
+  %t378 = icmp eq ptr %t377, null
+  br i1 %t378, label %panic4499, label %ok4500
+panic4499:
+  call void @finch_panic(ptr @.str.2760, i64 1993, ptr @.str.2761)
   unreachable
-inrange4282:
-  %t353 = extractvalue { ptr, i64, i64 } %t350, 0
-  %t354 = getelementptr inbounds { ptr, i64, i64 }, ptr %t353, i64 %t349
-  store { ptr, i64, i64 } %t345, ptr %t354
-  br label %endif4274
-else4273:
-  %t355 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t355, ptr %a356
-  store { ptr, i64, i64 } { ptr @.str.2676, i64 3, i64 0 }, ptr %a357
-  %t358 = call i32 @finch_str_eq(ptr %a356, ptr %a357)
-  %t359 = icmp ne i32 %t358, 0
-  br label %logic.from4283
-logic.from4283:
-  br i1 %t359, label %logic.end4285, label %logic.rhs4284
-logic.rhs4284:
-  %t360 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t360, ptr %a361
-  store { ptr, i64, i64 } { ptr @.str.2677, i64 5, i64 0 }, ptr %a362
-  %t363 = call i32 @finch_str_eq(ptr %a361, ptr %a362)
-  %t364 = icmp ne i32 %t363, 0
-  br label %logic.rend4286
-logic.rend4286:
-  br label %logic.end4285
-logic.end4285:
-  %t365 = phi i1 [ true, %logic.from4283 ], [ %t364, %logic.rend4286 ]
-  br i1 %t365, label %then4287, label %else4288
-then4287:
-  %t366 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2678, i64 4, i64 0 })
-  store %S.ast.Type %t366, ptr %a367
-  %t368 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t368, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.2679, i64 5, i64 0 }, ptr %a370
-  %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
-  %t372 = icmp ne i32 %t371, 0
-  br i1 %t372, label %then4290, label %endif4292
-then4290:
-  %t373 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t374 = load { ptr, i64, i64 }, ptr %t373
-  %t375 = extractvalue { ptr, i64, i64 } %t374, 1
-  %t376 = icmp uge i64 0, %t375
-  br i1 %t376, label %range4293, label %inrange4294
-range4293:
-  call void @finch_panic_index(ptr @.str.2680, i64 1842, i64 0, i64 %t375)
+ok4500:
+  %t379 = getelementptr inbounds %S.gen.Gen, ptr %t377, i32 0, i32 32
+  %t380 = load i64, ptr %a49
+  %t381 = load { ptr, i64, i64 }, ptr %t379
+  %t382 = extractvalue { ptr, i64, i64 } %t381, 1
+  %t383 = icmp uge i64 %t380, %t382
+  br i1 %t383, label %range4501, label %inrange4502
+range4501:
+  call void @finch_panic_index(ptr @.str.2762, i64 1993, i64 %t380, i64 %t382)
   unreachable
-inrange4294:
-  %t377 = extractvalue { ptr, i64, i64 } %t374, 0
-  %t378 = getelementptr inbounds %S.ast.Type, ptr %t377, i64 0
-  %t379 = load %S.ast.Type, ptr %t378
-  store %S.ast.Type %t379, ptr %a380
-  call void @finch.copy.S_ast_Type(ptr %a381, ptr %a380)
-  %t382 = load %S.ast.Type, ptr %a381
-  store %S.ast.Type %t382, ptr %a367
-  br label %endif4292
-endif4292:
-  %t383 = load ptr, ptr %a1
-  %t384 = load ptr, ptr %a1
-  %t385 = load %S.ast.Type, ptr %a367
-  %t386 = call i64 @finch.gen.diType(ptr %t384, %S.ast.Type %t385)
-  %t387 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t386)
-  store { ptr, i64, i64 } { ptr @.str.2681, i64 51, i64 0 }, ptr %a389
-  store { ptr, i64, i64 } %t387, ptr %a390
-  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
-  %t391 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t391, ptr %a393
-  store { ptr, i64, i64 } { ptr @.str.2682, i64 11, i64 0 }, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  %t396 = call i64 @finch.gen.md(ptr %t383, { ptr, i64, i64 } %t395)
-  store i64 %t396, ptr %a397
-  %t398 = load ptr, ptr %a1
-  %t399 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2683, i64 3, i64 0 })
-  %t400 = call i64 @finch.gen.diType(ptr %t398, %S.ast.Type %t399)
-  store i64 %t400, ptr %a401
-  %t402 = load ptr, ptr %a1
-  %t403 = load i64, ptr %a48
-  %t404 = load i64, ptr %a58
-  %t405 = load i64, ptr %a397
-  %t406 = call i64 @finch.gen.dbgMember(ptr %t402, { ptr, i64, i64 } { ptr @.str.2684, i64 3, i64 0 }, i64 %t403, i64 %t404, i64 0, i64 %t405, i64 64, i64 0)
-  store i64 %t406, ptr %a407
-  %t408 = load ptr, ptr %a1
-  %t409 = load i64, ptr %a48
-  %t410 = load i64, ptr %a58
-  %t411 = load i64, ptr %a401
-  %t412 = call i64 @finch.gen.dbgMember(ptr %t408, { ptr, i64, i64 } { ptr @.str.2685, i64 3, i64 0 }, i64 %t409, i64 %t410, i64 0, i64 %t411, i64 64, i64 64)
-  store i64 %t412, ptr %a413
-  %t414 = load ptr, ptr %a1
-  %t415 = load i64, ptr %a48
-  %t416 = load i64, ptr %a58
-  %t417 = load i64, ptr %a401
-  %t418 = call i64 @finch.gen.dbgMember(ptr %t414, { ptr, i64, i64 } { ptr @.str.2686, i64 3, i64 0 }, i64 %t415, i64 %t416, i64 0, i64 %t417, i64 64, i64 128)
-  store i64 %t418, ptr %a419
-  %t420 = load %S.ast.Type, ptr %a2
-  %t421 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t420)
-  store { ptr, i64, i64 } { ptr @.str.2687, i64 52, i64 0 }, ptr %a423
-  store { ptr, i64, i64 } %t421, ptr %a424
-  call void @finch_str_concat(ptr %a422, ptr %a423, ptr %a424)
-  %t425 = load { ptr, i64, i64 }, ptr %a422
-  store { ptr, i64, i64 } %t425, ptr %a427
-  store { ptr, i64, i64 } { ptr @.str.2688, i64 10, i64 0 }, ptr %a428
-  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
-  %t429 = load { ptr, i64, i64 }, ptr %a426
-  %t430 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a431, i64 %t430)
-  %t432 = load { ptr, i64, i64 }, ptr %a431
-  store { ptr, i64, i64 } %t429, ptr %a434
-  store { ptr, i64, i64 } %t432, ptr %a435
-  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
-  %t436 = load { ptr, i64, i64 }, ptr %a433
-  store { ptr, i64, i64 } %t436, ptr %a438
-  store { ptr, i64, i64 } { ptr @.str.2689, i64 37, i64 0 }, ptr %a439
-  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
-  %t440 = load { ptr, i64, i64 }, ptr %a437
-  %t441 = load i64, ptr %a407
-  call void @finch_str_from_int(ptr %a442, i64 %t441)
-  %t443 = load { ptr, i64, i64 }, ptr %a442
-  store { ptr, i64, i64 } %t440, ptr %a445
-  store { ptr, i64, i64 } %t443, ptr %a446
-  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
-  %t447 = load { ptr, i64, i64 }, ptr %a444
-  store { ptr, i64, i64 } %t447, ptr %a449
-  store { ptr, i64, i64 } { ptr @.str.2690, i64 3, i64 0 }, ptr %a450
-  call void @finch_str_concat(ptr %a448, ptr %a449, ptr %a450)
-  %t451 = load { ptr, i64, i64 }, ptr %a448
-  %t452 = load i64, ptr %a413
-  call void @finch_str_from_int(ptr %a453, i64 %t452)
-  %t454 = load { ptr, i64, i64 }, ptr %a453
-  store { ptr, i64, i64 } %t451, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
-  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
-  %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.2691, i64 3, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load i64, ptr %a419
-  call void @finch_str_from_int(ptr %a464, i64 %t463)
-  %t465 = load { ptr, i64, i64 }, ptr %a464
-  store { ptr, i64, i64 } %t462, ptr %a467
-  store { ptr, i64, i64 } %t465, ptr %a468
+inrange4502:
+  %t384 = extractvalue { ptr, i64, i64 } %t381, 0
+  %t385 = getelementptr inbounds { ptr, i64, i64 }, ptr %t384, i64 %t380
+  %t386 = load { ptr, i64, i64 }, ptr %t385
+  store { ptr, i64, i64 } %t376, ptr %t385
+  store { ptr, i64, i64 } %t386, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  br label %endif4494
+else4493:
+  %t388 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t388, ptr %a389
+  store { ptr, i64, i64 } { ptr @.str.2763, i64 3, i64 0 }, ptr %a390
+  %t391 = call i32 @finch_str_eq(ptr %a389, ptr %a390)
+  %t392 = icmp ne i32 %t391, 0
+  br label %logic.from4503
+logic.from4503:
+  br i1 %t392, label %logic.end4505, label %logic.rhs4504
+logic.rhs4504:
+  %t393 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t393, ptr %a394
+  store { ptr, i64, i64 } { ptr @.str.2764, i64 5, i64 0 }, ptr %a395
+  %t396 = call i32 @finch_str_eq(ptr %a394, ptr %a395)
+  %t397 = icmp ne i32 %t396, 0
+  br label %logic.rend4506
+logic.rend4506:
+  br label %logic.end4505
+logic.end4505:
+  %t398 = phi i1 [ true, %logic.from4503 ], [ %t397, %logic.rend4506 ]
+  br i1 %t398, label %then4507, label %else4508
+then4507:
+  %t399 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2765, i64 4, i64 0 })
+  store %S.ast.Type %t399, ptr %a400
+  %t401 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t401, ptr %a402
+  store { ptr, i64, i64 } { ptr @.str.2766, i64 5, i64 0 }, ptr %a403
+  %t404 = call i32 @finch_str_eq(ptr %a402, ptr %a403)
+  %t405 = icmp ne i32 %t404, 0
+  br i1 %t405, label %then4510, label %endif4512
+then4510:
+  %t406 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t407 = load { ptr, i64, i64 }, ptr %t406
+  %t408 = extractvalue { ptr, i64, i64 } %t407, 1
+  %t409 = icmp uge i64 0, %t408
+  br i1 %t409, label %range4513, label %inrange4514
+range4513:
+  call void @finch_panic_index(ptr @.str.2767, i64 1997, i64 0, i64 %t408)
+  unreachable
+inrange4514:
+  %t410 = extractvalue { ptr, i64, i64 } %t407, 0
+  %t411 = getelementptr inbounds %S.ast.Type, ptr %t410, i64 0
+  %t412 = load %S.ast.Type, ptr %t411
+  store %S.ast.Type %t412, ptr %a413
+  call void @finch.copy.S_ast_Type(ptr %a414, ptr %a413)
+  %t415 = load %S.ast.Type, ptr %a414
+  %t416 = load %S.ast.Type, ptr %a400
+  store %S.ast.Type %t415, ptr %a400
+  store %S.ast.Type %t416, ptr %a417
+  call void @finch.drop.S_ast_Type(ptr %a417)
+  br label %endif4512
+endif4512:
+  %t418 = load ptr, ptr %a1
+  %t419 = load ptr, ptr %a1
+  %t420 = load %S.ast.Type, ptr %a400
+  %t421 = call i64 @finch.gen.diType(ptr %t419, %S.ast.Type %t420)
+  %t422 = call { ptr, i64, i64 } @finch.gen.mdRef(i64 %t421)
+  store { ptr, i64, i64 } { ptr @.str.2768, i64 51, i64 0 }, ptr %a424
+  store { ptr, i64, i64 } %t422, ptr %a425
+  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
+  store { ptr, i64, i64 } %t422, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  %t427 = load { ptr, i64, i64 }, ptr %a423
+  store { ptr, i64, i64 } %t427, ptr %a429
+  store { ptr, i64, i64 } { ptr @.str.2769, i64 11, i64 0 }, ptr %a430
+  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
+  store { ptr, i64, i64 } %t427, ptr %a431
+  call void @finch_str_drop(ptr %a431)
+  %t432 = load { ptr, i64, i64 }, ptr %a428
+  %t433 = call i64 @finch.gen.md(ptr %t418, { ptr, i64, i64 } %t432)
+  store { ptr, i64, i64 } %t432, ptr %a434
+  call void @finch_str_drop(ptr %a434)
+  store i64 %t433, ptr %a435
+  %t436 = load ptr, ptr %a1
+  %t437 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2770, i64 3, i64 0 })
+  %t438 = call i64 @finch.gen.diType(ptr %t436, %S.ast.Type %t437)
+  store %S.ast.Type %t437, ptr %a439
+  call void @finch.drop.S_ast_Type(ptr %a439)
+  store i64 %t438, ptr %a440
+  %t441 = load ptr, ptr %a1
+  %t442 = load i64, ptr %a49
+  %t443 = load i64, ptr %a59
+  %t444 = load i64, ptr %a435
+  %t445 = call i64 @finch.gen.dbgMember(ptr %t441, { ptr, i64, i64 } { ptr @.str.2771, i64 3, i64 0 }, i64 %t442, i64 %t443, i64 0, i64 %t444, i64 64, i64 0)
+  store i64 %t445, ptr %a446
+  %t447 = load ptr, ptr %a1
+  %t448 = load i64, ptr %a49
+  %t449 = load i64, ptr %a59
+  %t450 = load i64, ptr %a440
+  %t451 = call i64 @finch.gen.dbgMember(ptr %t447, { ptr, i64, i64 } { ptr @.str.2772, i64 3, i64 0 }, i64 %t448, i64 %t449, i64 0, i64 %t450, i64 64, i64 64)
+  store i64 %t451, ptr %a452
+  %t453 = load ptr, ptr %a1
+  %t454 = load i64, ptr %a49
+  %t455 = load i64, ptr %a59
+  %t456 = load i64, ptr %a440
+  %t457 = call i64 @finch.gen.dbgMember(ptr %t453, { ptr, i64, i64 } { ptr @.str.2773, i64 3, i64 0 }, i64 %t454, i64 %t455, i64 0, i64 %t456, i64 64, i64 128)
+  store i64 %t457, ptr %a458
+  %t459 = load %S.ast.Type, ptr %a2
+  %t460 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t459)
+  store { ptr, i64, i64 } { ptr @.str.2774, i64 52, i64 0 }, ptr %a462
+  store { ptr, i64, i64 } %t460, ptr %a463
+  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
+  store { ptr, i64, i64 } %t460, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  %t465 = load { ptr, i64, i64 }, ptr %a461
+  store { ptr, i64, i64 } %t465, ptr %a467
+  store { ptr, i64, i64 } { ptr @.str.2775, i64 10, i64 0 }, ptr %a468
   call void @finch_str_concat(ptr %a466, ptr %a467, ptr %a468)
-  %t469 = load { ptr, i64, i64 }, ptr %a466
-  store { ptr, i64, i64 } %t469, ptr %a471
-  store { ptr, i64, i64 } { ptr @.str.2692, i64 2, i64 0 }, ptr %a472
-  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
-  %t473 = load { ptr, i64, i64 }, ptr %a470
-  %t474 = load ptr, ptr %a1
-  %t475 = icmp eq ptr %t474, null
-  br i1 %t475, label %panic4295, label %ok4296
-panic4295:
-  call void @finch_panic(ptr @.str.2693, i64 1849, ptr @.str.2694)
+  store { ptr, i64, i64 } %t465, ptr %a469
+  call void @finch_str_drop(ptr %a469)
+  %t470 = load { ptr, i64, i64 }, ptr %a466
+  %t471 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a472, i64 %t471)
+  %t473 = load { ptr, i64, i64 }, ptr %a472
+  store { ptr, i64, i64 } %t470, ptr %a475
+  store { ptr, i64, i64 } %t473, ptr %a476
+  call void @finch_str_concat(ptr %a474, ptr %a475, ptr %a476)
+  store { ptr, i64, i64 } %t470, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  store { ptr, i64, i64 } %t473, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  %t479 = load { ptr, i64, i64 }, ptr %a474
+  store { ptr, i64, i64 } %t479, ptr %a481
+  store { ptr, i64, i64 } { ptr @.str.2776, i64 37, i64 0 }, ptr %a482
+  call void @finch_str_concat(ptr %a480, ptr %a481, ptr %a482)
+  store { ptr, i64, i64 } %t479, ptr %a483
+  call void @finch_str_drop(ptr %a483)
+  %t484 = load { ptr, i64, i64 }, ptr %a480
+  %t485 = load i64, ptr %a446
+  call void @finch_str_from_int(ptr %a486, i64 %t485)
+  %t487 = load { ptr, i64, i64 }, ptr %a486
+  store { ptr, i64, i64 } %t484, ptr %a489
+  store { ptr, i64, i64 } %t487, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  store { ptr, i64, i64 } %t484, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  store { ptr, i64, i64 } %t487, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = load { ptr, i64, i64 }, ptr %a488
+  store { ptr, i64, i64 } %t493, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.2777, i64 3, i64 0 }, ptr %a496
+  call void @finch_str_concat(ptr %a494, ptr %a495, ptr %a496)
+  store { ptr, i64, i64 } %t493, ptr %a497
+  call void @finch_str_drop(ptr %a497)
+  %t498 = load { ptr, i64, i64 }, ptr %a494
+  %t499 = load i64, ptr %a452
+  call void @finch_str_from_int(ptr %a500, i64 %t499)
+  %t501 = load { ptr, i64, i64 }, ptr %a500
+  store { ptr, i64, i64 } %t498, ptr %a503
+  store { ptr, i64, i64 } %t501, ptr %a504
+  call void @finch_str_concat(ptr %a502, ptr %a503, ptr %a504)
+  store { ptr, i64, i64 } %t498, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  store { ptr, i64, i64 } %t501, ptr %a506
+  call void @finch_str_drop(ptr %a506)
+  %t507 = load { ptr, i64, i64 }, ptr %a502
+  store { ptr, i64, i64 } %t507, ptr %a509
+  store { ptr, i64, i64 } { ptr @.str.2778, i64 3, i64 0 }, ptr %a510
+  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
+  store { ptr, i64, i64 } %t507, ptr %a511
+  call void @finch_str_drop(ptr %a511)
+  %t512 = load { ptr, i64, i64 }, ptr %a508
+  %t513 = load i64, ptr %a458
+  call void @finch_str_from_int(ptr %a514, i64 %t513)
+  %t515 = load { ptr, i64, i64 }, ptr %a514
+  store { ptr, i64, i64 } %t512, ptr %a517
+  store { ptr, i64, i64 } %t515, ptr %a518
+  call void @finch_str_concat(ptr %a516, ptr %a517, ptr %a518)
+  store { ptr, i64, i64 } %t512, ptr %a519
+  call void @finch_str_drop(ptr %a519)
+  store { ptr, i64, i64 } %t515, ptr %a520
+  call void @finch_str_drop(ptr %a520)
+  %t521 = load { ptr, i64, i64 }, ptr %a516
+  store { ptr, i64, i64 } %t521, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.2779, i64 2, i64 0 }, ptr %a524
+  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
+  store { ptr, i64, i64 } %t521, ptr %a525
+  call void @finch_str_drop(ptr %a525)
+  %t526 = load { ptr, i64, i64 }, ptr %a522
+  %t527 = load ptr, ptr %a1
+  %t528 = icmp eq ptr %t527, null
+  br i1 %t528, label %panic4515, label %ok4516
+panic4515:
+  call void @finch_panic(ptr @.str.2780, i64 2004, ptr @.str.2781)
   unreachable
-ok4296:
-  %t476 = getelementptr inbounds %S.gen.Gen, ptr %t474, i32 0, i32 31
-  %t477 = load i64, ptr %a48
-  %t478 = load { ptr, i64, i64 }, ptr %t476
-  %t479 = extractvalue { ptr, i64, i64 } %t478, 1
-  %t480 = icmp uge i64 %t477, %t479
-  br i1 %t480, label %range4297, label %inrange4298
-range4297:
-  call void @finch_panic_index(ptr @.str.2695, i64 1849, i64 %t477, i64 %t479)
+ok4516:
+  %t529 = getelementptr inbounds %S.gen.Gen, ptr %t527, i32 0, i32 32
+  %t530 = load i64, ptr %a49
+  %t531 = load { ptr, i64, i64 }, ptr %t529
+  %t532 = extractvalue { ptr, i64, i64 } %t531, 1
+  %t533 = icmp uge i64 %t530, %t532
+  br i1 %t533, label %range4517, label %inrange4518
+range4517:
+  call void @finch_panic_index(ptr @.str.2782, i64 2004, i64 %t530, i64 %t532)
   unreachable
-inrange4298:
-  %t481 = extractvalue { ptr, i64, i64 } %t478, 0
-  %t482 = getelementptr inbounds { ptr, i64, i64 }, ptr %t481, i64 %t477
-  store { ptr, i64, i64 } %t473, ptr %t482
-  br label %endif4289
-else4288:
-  %t483 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t483, ptr %a484
-  store { ptr, i64, i64 } { ptr @.str.2696, i64 3, i64 0 }, ptr %a485
-  %t486 = call i32 @finch_str_eq(ptr %a484, ptr %a485)
-  %t487 = icmp ne i32 %t486, 0
-  br i1 %t487, label %then4299, label %else4300
-then4299:
-  %t488 = load ptr, ptr %a1
-  %t489 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2697, i64 3, i64 0 })
-  %t490 = call i64 @finch.gen.diType(ptr %t488, %S.ast.Type %t489)
-  store i64 %t490, ptr %a491
-  %t492 = load ptr, ptr %a1
-  %t493 = call i64 @finch.gen.md(ptr %t492, { ptr, i64, i64 } { ptr @.str.2698, i64 66, i64 0 })
-  store i64 %t493, ptr %a494
-  %t495 = mul i64 7, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t496 = call ptr @finch_alloc(i64 %t495)
-  %t497 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 0
-  store { ptr, i64, i64 } { ptr @.str.2699, i64 7, i64 0 }, ptr %t497
-  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 1
-  store { ptr, i64, i64 } { ptr @.str.2700, i64 3, i64 0 }, ptr %t498
-  %t499 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 2
-  store { ptr, i64, i64 } { ptr @.str.2701, i64 4, i64 0 }, ptr %t499
-  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 3
-  store { ptr, i64, i64 } { ptr @.str.2702, i64 3, i64 0 }, ptr %t500
-  %t501 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 4
-  store { ptr, i64, i64 } { ptr @.str.2703, i64 5, i64 0 }, ptr %t501
-  %t502 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 5
-  store { ptr, i64, i64 } { ptr @.str.2704, i64 4, i64 0 }, ptr %t502
-  %t503 = getelementptr inbounds { ptr, i64, i64 }, ptr %t496, i64 6
-  store { ptr, i64, i64 } { ptr @.str.2705, i64 4, i64 0 }, ptr %t503
-  %t504 = insertvalue { ptr, i64, i64 } undef, ptr %t496, 0
-  %t505 = insertvalue { ptr, i64, i64 } %t504, i64 7, 1
-  %t506 = insertvalue { ptr, i64, i64 } %t505, i64 7, 2
-  store { ptr, i64, i64 } %t506, ptr %a507
-  store { ptr, i64, i64 } zeroinitializer, ptr %a508
-  store i64 0, ptr %a509
-  br label %for.cond4302
-for.cond4302:
-  %t510 = load i64, ptr %a509
-  %t511 = icmp slt i64 %t510, 7
-  br i1 %t511, label %for.body4303, label %for.end4305
-for.body4303:
-  %t512 = load i64, ptr %a491
-  store i64 %t512, ptr %a513
-  %t514 = load i64, ptr %a509
-  %t515 = icmp eq i64 %t514, 0
-  br label %logic.from4306
-logic.from4306:
-  br i1 %t515, label %logic.end4308, label %logic.rhs4307
-logic.rhs4307:
-  %t516 = load i64, ptr %a509
-  %t517 = icmp eq i64 %t516, 4
-  br label %logic.rend4309
-logic.rend4309:
-  br label %logic.end4308
-logic.end4308:
-  %t518 = phi i1 [ true, %logic.from4306 ], [ %t517, %logic.rend4309 ]
-  br i1 %t518, label %then4310, label %endif4312
-then4310:
-  %t519 = load i64, ptr %a494
-  store i64 %t519, ptr %a513
-  br label %endif4312
-endif4312:
-  %t520 = getelementptr inbounds { ptr, i64, i64 }, ptr %a508, i32 0, i32 1
-  %t521 = load ptr, ptr %a1
-  %t522 = load i64, ptr %a509
-  %t523 = load { ptr, i64, i64 }, ptr %a507
-  %t524 = extractvalue { ptr, i64, i64 } %t523, 1
-  %t525 = icmp uge i64 %t522, %t524
-  br i1 %t525, label %range4313, label %inrange4314
-range4313:
-  call void @finch_panic_index(ptr @.str.2707, i64 1860, i64 %t522, i64 %t524)
+inrange4518:
+  %t534 = extractvalue { ptr, i64, i64 } %t531, 0
+  %t535 = getelementptr inbounds { ptr, i64, i64 }, ptr %t534, i64 %t530
+  %t536 = load { ptr, i64, i64 }, ptr %t535
+  store { ptr, i64, i64 } %t526, ptr %t535
+  store { ptr, i64, i64 } %t536, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  call void @finch.drop.S_ast_Type(ptr %a400)
+  br label %endif4509
+else4508:
+  %t538 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t538, ptr %a539
+  store { ptr, i64, i64 } { ptr @.str.2783, i64 3, i64 0 }, ptr %a540
+  %t541 = call i32 @finch_str_eq(ptr %a539, ptr %a540)
+  %t542 = icmp ne i32 %t541, 0
+  br i1 %t542, label %then4519, label %else4520
+then4519:
+  %t543 = load ptr, ptr %a1
+  %t544 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.2784, i64 3, i64 0 })
+  %t545 = call i64 @finch.gen.diType(ptr %t543, %S.ast.Type %t544)
+  store %S.ast.Type %t544, ptr %a546
+  call void @finch.drop.S_ast_Type(ptr %a546)
+  store i64 %t545, ptr %a547
+  %t548 = load ptr, ptr %a1
+  %t549 = call i64 @finch.gen.md(ptr %t548, { ptr, i64, i64 } { ptr @.str.2785, i64 66, i64 0 })
+  store i64 %t549, ptr %a550
+  %t551 = mul i64 7, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t552 = call ptr @finch_alloc(i64 %t551)
+  %t553 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 0
+  store { ptr, i64, i64 } { ptr @.str.2786, i64 7, i64 0 }, ptr %t553
+  %t554 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 1
+  store { ptr, i64, i64 } { ptr @.str.2787, i64 3, i64 0 }, ptr %t554
+  %t555 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 2
+  store { ptr, i64, i64 } { ptr @.str.2788, i64 4, i64 0 }, ptr %t555
+  %t556 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 3
+  store { ptr, i64, i64 } { ptr @.str.2789, i64 3, i64 0 }, ptr %t556
+  %t557 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 4
+  store { ptr, i64, i64 } { ptr @.str.2790, i64 5, i64 0 }, ptr %t557
+  %t558 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 5
+  store { ptr, i64, i64 } { ptr @.str.2791, i64 4, i64 0 }, ptr %t558
+  %t559 = getelementptr inbounds { ptr, i64, i64 }, ptr %t552, i64 6
+  store { ptr, i64, i64 } { ptr @.str.2792, i64 4, i64 0 }, ptr %t559
+  %t560 = insertvalue { ptr, i64, i64 } undef, ptr %t552, 0
+  %t561 = insertvalue { ptr, i64, i64 } %t560, i64 7, 1
+  %t562 = insertvalue { ptr, i64, i64 } %t561, i64 7, 2
+  store { ptr, i64, i64 } %t562, ptr %a563
+  store { ptr, i64, i64 } zeroinitializer, ptr %a564
+  store i64 0, ptr %a565
+  br label %for.cond4522
+for.cond4522:
+  %t566 = load i64, ptr %a565
+  %t567 = icmp slt i64 %t566, 7
+  br i1 %t567, label %for.body4523, label %for.end4525
+for.body4523:
+  %t568 = load i64, ptr %a547
+  store i64 %t568, ptr %a569
+  %t570 = load i64, ptr %a565
+  %t571 = icmp eq i64 %t570, 0
+  br label %logic.from4526
+logic.from4526:
+  br i1 %t571, label %logic.end4528, label %logic.rhs4527
+logic.rhs4527:
+  %t572 = load i64, ptr %a565
+  %t573 = icmp eq i64 %t572, 4
+  br label %logic.rend4529
+logic.rend4529:
+  br label %logic.end4528
+logic.end4528:
+  %t574 = phi i1 [ true, %logic.from4526 ], [ %t573, %logic.rend4529 ]
+  br i1 %t574, label %then4530, label %endif4532
+then4530:
+  %t575 = load i64, ptr %a550
+  store i64 %t575, ptr %a569
+  br label %endif4532
+endif4532:
+  %t576 = getelementptr inbounds { ptr, i64, i64 }, ptr %a564, i32 0, i32 1
+  %t577 = load ptr, ptr %a1
+  %t578 = load i64, ptr %a565
+  %t579 = load { ptr, i64, i64 }, ptr %a563
+  %t580 = extractvalue { ptr, i64, i64 } %t579, 1
+  %t581 = icmp uge i64 %t578, %t580
+  br i1 %t581, label %range4533, label %inrange4534
+range4533:
+  call void @finch_panic_index(ptr @.str.2794, i64 2015, i64 %t578, i64 %t580)
   unreachable
-inrange4314:
-  %t526 = extractvalue { ptr, i64, i64 } %t523, 0
-  %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t526, i64 %t522
-  %t528 = load { ptr, i64, i64 }, ptr %t527
-  %t529 = load i64, ptr %a48
-  %t530 = load i64, ptr %a58
-  %t531 = load i64, ptr %a513
-  %t532 = load i64, ptr %a509
-  %t533 = mul i64 64, %t532
-  %t534 = call i64 @finch.gen.dbgMember(ptr %t521, { ptr, i64, i64 } %t528, i64 %t529, i64 %t530, i64 0, i64 %t531, i64 64, i64 %t533)
-  call void @finch_str_from_int(ptr %a535, i64 %t534)
-  %t536 = load { ptr, i64, i64 }, ptr %a535
-  store { ptr, i64, i64 } { ptr @.str.2706, i64 1, i64 0 }, ptr %a538
-  store { ptr, i64, i64 } %t536, ptr %a539
-  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
-  %t540 = load { ptr, i64, i64 }, ptr %a537
-  %t541 = load i64, ptr %t520
-  %t542 = add i64 %t541, 1
-  call void @finch_arr_reserve(ptr %a508, i64 %t542, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t543 = load ptr, ptr %a508
-  %t544 = getelementptr inbounds { ptr, i64, i64 }, ptr %t543, i64 %t541
-  store { ptr, i64, i64 } %t540, ptr %t544
-  store i64 %t542, ptr %t520
-  br label %for.step4304
-for.step4304:
-  %t545 = load i64, ptr %a509
-  %t546 = add i64 %t545, 1
-  store i64 %t546, ptr %a509
-  br label %for.cond4302
-for.end4305:
-  %t547 = load %S.ast.Type, ptr %a2
-  %t548 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t547)
-  store { ptr, i64, i64 } { ptr @.str.2708, i64 52, i64 0 }, ptr %a550
-  store { ptr, i64, i64 } %t548, ptr %a551
-  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  store { ptr, i64, i64 } %t552, ptr %a554
-  store { ptr, i64, i64 } { ptr @.str.2709, i64 10, i64 0 }, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a558, i64 %t557)
-  %t559 = load { ptr, i64, i64 }, ptr %a558
-  store { ptr, i64, i64 } %t556, ptr %a561
-  store { ptr, i64, i64 } %t559, ptr %a562
-  call void @finch_str_concat(ptr %a560, ptr %a561, ptr %a562)
-  %t563 = load { ptr, i64, i64 }, ptr %a560
-  store { ptr, i64, i64 } %t563, ptr %a565
-  store { ptr, i64, i64 } { ptr @.str.2710, i64 36, i64 0 }, ptr %a566
-  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
-  %t567 = load { ptr, i64, i64 }, ptr %a564
-  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %a508, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2711, i64 2, i64 0 }, ptr %a569
-  call void @finch_str_join(ptr %a570, ptr %a508, ptr %a569)
-  %t571 = load { ptr, i64, i64 }, ptr %a570
-  store { ptr, i64, i64 } %t567, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a574
-  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
-  %t575 = load { ptr, i64, i64 }, ptr %a572
-  store { ptr, i64, i64 } %t575, ptr %a577
-  store { ptr, i64, i64 } { ptr @.str.2712, i64 2, i64 0 }, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  %t580 = load ptr, ptr %a1
-  %t581 = icmp eq ptr %t580, null
-  br i1 %t581, label %panic4315, label %ok4316
-panic4315:
-  call void @finch_panic(ptr @.str.2713, i64 1862, ptr @.str.2714)
+inrange4534:
+  %t582 = extractvalue { ptr, i64, i64 } %t579, 0
+  %t583 = getelementptr inbounds { ptr, i64, i64 }, ptr %t582, i64 %t578
+  %t584 = load { ptr, i64, i64 }, ptr %t583
+  %t585 = load i64, ptr %a49
+  %t586 = load i64, ptr %a59
+  %t587 = load i64, ptr %a569
+  %t588 = load i64, ptr %a565
+  %t589 = mul i64 64, %t588
+  %t590 = call i64 @finch.gen.dbgMember(ptr %t577, { ptr, i64, i64 } %t584, i64 %t585, i64 %t586, i64 0, i64 %t587, i64 64, i64 %t589)
+  call void @finch_str_from_int(ptr %a591, i64 %t590)
+  %t592 = load { ptr, i64, i64 }, ptr %a591
+  store { ptr, i64, i64 } { ptr @.str.2793, i64 1, i64 0 }, ptr %a594
+  store { ptr, i64, i64 } %t592, ptr %a595
+  call void @finch_str_concat(ptr %a593, ptr %a594, ptr %a595)
+  store { ptr, i64, i64 } %t592, ptr %a596
+  call void @finch_str_drop(ptr %a596)
+  %t597 = load { ptr, i64, i64 }, ptr %a593
+  %t598 = load i64, ptr %t576
+  %t599 = add i64 %t598, 1
+  call void @finch_arr_reserve(ptr %a564, i64 %t599, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t600 = load ptr, ptr %a564
+  %t601 = getelementptr inbounds { ptr, i64, i64 }, ptr %t600, i64 %t598
+  store { ptr, i64, i64 } %t597, ptr %t601
+  store i64 %t599, ptr %t576
+  br label %for.step4524
+for.step4524:
+  %t602 = load i64, ptr %a565
+  %t603 = add i64 %t602, 1
+  store i64 %t603, ptr %a565
+  br label %for.cond4522
+for.end4525:
+  %t604 = load %S.ast.Type, ptr %a2
+  %t605 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t604)
+  store { ptr, i64, i64 } { ptr @.str.2795, i64 52, i64 0 }, ptr %a607
+  store { ptr, i64, i64 } %t605, ptr %a608
+  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
+  store { ptr, i64, i64 } %t605, ptr %a609
+  call void @finch_str_drop(ptr %a609)
+  %t610 = load { ptr, i64, i64 }, ptr %a606
+  store { ptr, i64, i64 } %t610, ptr %a612
+  store { ptr, i64, i64 } { ptr @.str.2796, i64 10, i64 0 }, ptr %a613
+  call void @finch_str_concat(ptr %a611, ptr %a612, ptr %a613)
+  store { ptr, i64, i64 } %t610, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = load { ptr, i64, i64 }, ptr %a611
+  %t616 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a617, i64 %t616)
+  %t618 = load { ptr, i64, i64 }, ptr %a617
+  store { ptr, i64, i64 } %t615, ptr %a620
+  store { ptr, i64, i64 } %t618, ptr %a621
+  call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
+  store { ptr, i64, i64 } %t615, ptr %a622
+  call void @finch_str_drop(ptr %a622)
+  store { ptr, i64, i64 } %t618, ptr %a623
+  call void @finch_str_drop(ptr %a623)
+  %t624 = load { ptr, i64, i64 }, ptr %a619
+  store { ptr, i64, i64 } %t624, ptr %a626
+  store { ptr, i64, i64 } { ptr @.str.2797, i64 36, i64 0 }, ptr %a627
+  call void @finch_str_concat(ptr %a625, ptr %a626, ptr %a627)
+  store { ptr, i64, i64 } %t624, ptr %a628
+  call void @finch_str_drop(ptr %a628)
+  %t629 = load { ptr, i64, i64 }, ptr %a625
+  %t630 = getelementptr inbounds { ptr, i64, i64 }, ptr %a564, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2798, i64 2, i64 0 }, ptr %a631
+  call void @finch_str_join(ptr %a632, ptr %a564, ptr %a631)
+  %t633 = load { ptr, i64, i64 }, ptr %a632
+  store { ptr, i64, i64 } %t629, ptr %a635
+  store { ptr, i64, i64 } %t633, ptr %a636
+  call void @finch_str_concat(ptr %a634, ptr %a635, ptr %a636)
+  store { ptr, i64, i64 } %t629, ptr %a637
+  call void @finch_str_drop(ptr %a637)
+  store { ptr, i64, i64 } %t633, ptr %a638
+  call void @finch_str_drop(ptr %a638)
+  %t639 = load { ptr, i64, i64 }, ptr %a634
+  store { ptr, i64, i64 } %t639, ptr %a641
+  store { ptr, i64, i64 } { ptr @.str.2799, i64 2, i64 0 }, ptr %a642
+  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
+  store { ptr, i64, i64 } %t639, ptr %a643
+  call void @finch_str_drop(ptr %a643)
+  %t644 = load { ptr, i64, i64 }, ptr %a640
+  %t645 = load ptr, ptr %a1
+  %t646 = icmp eq ptr %t645, null
+  br i1 %t646, label %panic4535, label %ok4536
+panic4535:
+  call void @finch_panic(ptr @.str.2800, i64 2017, ptr @.str.2801)
   unreachable
-ok4316:
-  %t582 = getelementptr inbounds %S.gen.Gen, ptr %t580, i32 0, i32 31
-  %t583 = load i64, ptr %a48
-  %t584 = load { ptr, i64, i64 }, ptr %t582
-  %t585 = extractvalue { ptr, i64, i64 } %t584, 1
-  %t586 = icmp uge i64 %t583, %t585
-  br i1 %t586, label %range4317, label %inrange4318
-range4317:
-  call void @finch_panic_index(ptr @.str.2715, i64 1862, i64 %t583, i64 %t585)
+ok4536:
+  %t647 = getelementptr inbounds %S.gen.Gen, ptr %t645, i32 0, i32 32
+  %t648 = load i64, ptr %a49
+  %t649 = load { ptr, i64, i64 }, ptr %t647
+  %t650 = extractvalue { ptr, i64, i64 } %t649, 1
+  %t651 = icmp uge i64 %t648, %t650
+  br i1 %t651, label %range4537, label %inrange4538
+range4537:
+  call void @finch_panic_index(ptr @.str.2802, i64 2017, i64 %t648, i64 %t650)
   unreachable
-inrange4318:
-  %t587 = extractvalue { ptr, i64, i64 } %t584, 0
-  %t588 = getelementptr inbounds { ptr, i64, i64 }, ptr %t587, i64 %t583
-  store { ptr, i64, i64 } %t579, ptr %t588
-  br label %endif4301
-else4300:
-  %t589 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t589, ptr %a590
-  store { ptr, i64, i64 } { ptr @.str.2716, i64 6, i64 0 }, ptr %a591
-  %t592 = call i32 @finch_str_eq(ptr %a590, ptr %a591)
-  %t593 = icmp ne i32 %t592, 0
-  br i1 %t593, label %then4319, label %else4320
-then4319:
-  %t594 = load ptr, ptr %a1
-  %t595 = icmp eq ptr %t594, null
-  br i1 %t595, label %panic4322, label %ok4323
-panic4322:
-  call void @finch_panic(ptr @.str.2717, i64 1864, ptr @.str.2718)
+inrange4538:
+  %t652 = extractvalue { ptr, i64, i64 } %t649, 0
+  %t653 = getelementptr inbounds { ptr, i64, i64 }, ptr %t652, i64 %t648
+  %t654 = load { ptr, i64, i64 }, ptr %t653
+  store { ptr, i64, i64 } %t644, ptr %t653
+  store { ptr, i64, i64 } %t654, ptr %a655
+  call void @finch_str_drop(ptr %a655)
+  call void @finch.drop.arr_str(ptr %a564)
+  call void @finch.drop.arr_str(ptr %a563)
+  br label %endif4521
+else4520:
+  %t656 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t656, ptr %a657
+  store { ptr, i64, i64 } { ptr @.str.2803, i64 6, i64 0 }, ptr %a658
+  %t659 = call i32 @finch_str_eq(ptr %a657, ptr %a658)
+  %t660 = icmp ne i32 %t659, 0
+  br i1 %t660, label %then4539, label %else4540
+then4539:
+  %t661 = load ptr, ptr %a1
+  %t662 = icmp eq ptr %t661, null
+  br i1 %t662, label %panic4542, label %ok4543
+panic4542:
+  call void @finch_panic(ptr @.str.2804, i64 2019, ptr @.str.2805)
   unreachable
-ok4323:
-  %t596 = getelementptr inbounds %S.gen.Gen, ptr %t594, i32 0, i32 15
-  %t597 = load ptr, ptr %a1
-  %t598 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t599 = load { ptr, i64, i64 }, ptr %t598
-  %t600 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t601 = load { ptr, i64, i64 }, ptr %t600
-  %t602 = call i64 @finch.gen.findStruct(ptr %t597, { ptr, i64, i64 } %t599, { ptr, i64, i64 } %t601)
-  %t603 = load { ptr, i64, i64 }, ptr %t596
-  %t604 = extractvalue { ptr, i64, i64 } %t603, 1
-  %t605 = icmp uge i64 %t602, %t604
-  br i1 %t605, label %range4324, label %inrange4325
-range4324:
-  call void @finch_panic_index(ptr @.str.2719, i64 1864, i64 %t602, i64 %t604)
+ok4543:
+  %t663 = getelementptr inbounds %S.gen.Gen, ptr %t661, i32 0, i32 16
+  %t664 = load ptr, ptr %a1
+  %t665 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t666 = load { ptr, i64, i64 }, ptr %t665
+  %t667 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t668 = load { ptr, i64, i64 }, ptr %t667
+  %t669 = call i64 @finch.gen.findStruct(ptr %t664, { ptr, i64, i64 } %t666, { ptr, i64, i64 } %t668)
+  %t670 = load { ptr, i64, i64 }, ptr %t663
+  %t671 = extractvalue { ptr, i64, i64 } %t670, 1
+  %t672 = icmp uge i64 %t669, %t671
+  br i1 %t672, label %range4544, label %inrange4545
+range4544:
+  call void @finch_panic_index(ptr @.str.2806, i64 2019, i64 %t669, i64 %t671)
   unreachable
-inrange4325:
-  %t606 = extractvalue { ptr, i64, i64 } %t603, 0
-  %t607 = getelementptr inbounds %S.gen.StructDef, ptr %t606, i64 %t602
-  %t608 = load %S.gen.StructDef, ptr %t607
-  store %S.gen.StructDef %t608, ptr %a609
-  call void @finch.copy.S_gen_StructDef(ptr %a610, ptr %a609)
-  %t611 = load %S.gen.StructDef, ptr %a610
-  store %S.gen.StructDef %t611, ptr %a612
-  %t613 = load ptr, ptr %a1
-  %t614 = load %S.gen.StructDef, ptr %a612
-  %t615 = call { ptr, i64, i64 } @finch.gen.fieldOffsets(ptr %t613, %S.gen.StructDef %t614)
-  store { ptr, i64, i64 } %t615, ptr %a616
-  %t617 = load ptr, ptr %a1
-  %t618 = load %S.ast.Type, ptr %a2
-  %t619 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t617, %S.ast.Type %t618)
-  store %S.gen.SizeAlign %t619, ptr %a620
-  store { ptr, i64, i64 } zeroinitializer, ptr %a621
-  %t622 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 12
-  %t623 = getelementptr inbounds { ptr, i64, i64 }, ptr %t622, i32 0, i32 1
-  %t624 = load i64, ptr %t623
-  store i64 0, ptr %a625
-  br label %for.cond4326
-for.cond4326:
-  %t626 = load i64, ptr %a625
-  %t627 = icmp slt i64 %t626, %t624
-  br i1 %t627, label %for.body4327, label %for.end4329
-for.body4327:
-  %t628 = load ptr, ptr %a1
-  %t629 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 12
-  %t630 = load i64, ptr %a625
-  %t631 = load { ptr, i64, i64 }, ptr %t629
-  %t632 = extractvalue { ptr, i64, i64 } %t631, 1
-  %t633 = icmp uge i64 %t630, %t632
-  br i1 %t633, label %range4330, label %inrange4331
-range4330:
-  call void @finch_panic_index(ptr @.str.2720, i64 1869, i64 %t630, i64 %t632)
+inrange4545:
+  %t673 = extractvalue { ptr, i64, i64 } %t670, 0
+  %t674 = getelementptr inbounds %S.gen.StructDef, ptr %t673, i64 %t669
+  %t675 = load %S.gen.StructDef, ptr %t674
+  store %S.gen.StructDef %t675, ptr %a676
+  call void @finch.copy.S_gen_StructDef(ptr %a677, ptr %a676)
+  %t678 = load %S.gen.StructDef, ptr %a677
+  store %S.gen.StructDef %t678, ptr %a679
+  %t680 = load ptr, ptr %a1
+  %t681 = load %S.gen.StructDef, ptr %a679
+  %t682 = call { ptr, i64, i64 } @finch.gen.fieldOffsets(ptr %t680, %S.gen.StructDef %t681)
+  store { ptr, i64, i64 } %t682, ptr %a683
+  %t684 = load ptr, ptr %a1
+  %t685 = load %S.ast.Type, ptr %a2
+  %t686 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t684, %S.ast.Type %t685)
+  store %S.gen.SizeAlign %t686, ptr %a687
+  store { ptr, i64, i64 } zeroinitializer, ptr %a688
+  %t689 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 12
+  %t690 = getelementptr inbounds { ptr, i64, i64 }, ptr %t689, i32 0, i32 1
+  %t691 = load i64, ptr %t690
+  store i64 0, ptr %a692
+  br label %for.cond4546
+for.cond4546:
+  %t693 = load i64, ptr %a692
+  %t694 = icmp slt i64 %t693, %t691
+  br i1 %t694, label %for.body4547, label %for.end4549
+for.body4547:
+  %t695 = load ptr, ptr %a1
+  %t696 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 12
+  %t697 = load i64, ptr %a692
+  %t698 = load { ptr, i64, i64 }, ptr %t696
+  %t699 = extractvalue { ptr, i64, i64 } %t698, 1
+  %t700 = icmp uge i64 %t697, %t699
+  br i1 %t700, label %range4550, label %inrange4551
+range4550:
+  call void @finch_panic_index(ptr @.str.2807, i64 2024, i64 %t697, i64 %t699)
   unreachable
-inrange4331:
-  %t634 = extractvalue { ptr, i64, i64 } %t631, 0
-  %t635 = getelementptr inbounds %S.ast.Type, ptr %t634, i64 %t630
-  %t636 = load %S.ast.Type, ptr %t635
-  %t637 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t628, %S.ast.Type %t636)
-  store %S.gen.SizeAlign %t637, ptr %a638
-  %t639 = getelementptr inbounds { ptr, i64, i64 }, ptr %a621, i32 0, i32 1
-  %t640 = load ptr, ptr %a1
-  %t641 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 11
-  %t642 = load i64, ptr %a625
-  %t643 = load { ptr, i64, i64 }, ptr %t641
-  %t644 = extractvalue { ptr, i64, i64 } %t643, 1
-  %t645 = icmp uge i64 %t642, %t644
-  br i1 %t645, label %range4332, label %inrange4333
-range4332:
-  call void @finch_panic_index(ptr @.str.2722, i64 1870, i64 %t642, i64 %t644)
+inrange4551:
+  %t701 = extractvalue { ptr, i64, i64 } %t698, 0
+  %t702 = getelementptr inbounds %S.ast.Type, ptr %t701, i64 %t697
+  %t703 = load %S.ast.Type, ptr %t702
+  %t704 = call %S.gen.SizeAlign @finch.gen.sizeAlign(ptr %t695, %S.ast.Type %t703)
+  store %S.gen.SizeAlign %t704, ptr %a705
+  %t706 = getelementptr inbounds { ptr, i64, i64 }, ptr %a688, i32 0, i32 1
+  %t707 = load ptr, ptr %a1
+  %t708 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 11
+  %t709 = load i64, ptr %a692
+  %t710 = load { ptr, i64, i64 }, ptr %t708
+  %t711 = extractvalue { ptr, i64, i64 } %t710, 1
+  %t712 = icmp uge i64 %t709, %t711
+  br i1 %t712, label %range4552, label %inrange4553
+range4552:
+  call void @finch_panic_index(ptr @.str.2809, i64 2025, i64 %t709, i64 %t711)
   unreachable
-inrange4333:
-  %t646 = extractvalue { ptr, i64, i64 } %t643, 0
-  %t647 = getelementptr inbounds { ptr, i64, i64 }, ptr %t646, i64 %t642
-  %t648 = load { ptr, i64, i64 }, ptr %t647
-  %t649 = load i64, ptr %a48
-  %t650 = load i64, ptr %a58
-  %t651 = load ptr, ptr %a1
-  %t652 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 12
-  %t653 = load i64, ptr %a625
-  %t654 = load { ptr, i64, i64 }, ptr %t652
-  %t655 = extractvalue { ptr, i64, i64 } %t654, 1
-  %t656 = icmp uge i64 %t653, %t655
-  br i1 %t656, label %range4334, label %inrange4335
-range4334:
-  call void @finch_panic_index(ptr @.str.2723, i64 1870, i64 %t653, i64 %t655)
+inrange4553:
+  %t713 = extractvalue { ptr, i64, i64 } %t710, 0
+  %t714 = getelementptr inbounds { ptr, i64, i64 }, ptr %t713, i64 %t709
+  %t715 = load { ptr, i64, i64 }, ptr %t714
+  %t716 = load i64, ptr %a49
+  %t717 = load i64, ptr %a59
+  %t718 = load ptr, ptr %a1
+  %t719 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 12
+  %t720 = load i64, ptr %a692
+  %t721 = load { ptr, i64, i64 }, ptr %t719
+  %t722 = extractvalue { ptr, i64, i64 } %t721, 1
+  %t723 = icmp uge i64 %t720, %t722
+  br i1 %t723, label %range4554, label %inrange4555
+range4554:
+  call void @finch_panic_index(ptr @.str.2810, i64 2025, i64 %t720, i64 %t722)
   unreachable
-inrange4335:
-  %t657 = extractvalue { ptr, i64, i64 } %t654, 0
-  %t658 = getelementptr inbounds %S.ast.Type, ptr %t657, i64 %t653
-  %t659 = load %S.ast.Type, ptr %t658
-  %t660 = call i64 @finch.gen.diType(ptr %t651, %S.ast.Type %t659)
-  %t661 = getelementptr inbounds %S.gen.SizeAlign, ptr %a638, i32 0, i32 0
-  %t662 = load i64, ptr %t661
-  %t663 = mul i64 %t662, 8
-  %t664 = load i64, ptr %a625
-  %t665 = load { ptr, i64, i64 }, ptr %a616
-  %t666 = extractvalue { ptr, i64, i64 } %t665, 1
-  %t667 = icmp uge i64 %t664, %t666
-  br i1 %t667, label %range4336, label %inrange4337
-range4336:
-  call void @finch_panic_index(ptr @.str.2724, i64 1870, i64 %t664, i64 %t666)
+inrange4555:
+  %t724 = extractvalue { ptr, i64, i64 } %t721, 0
+  %t725 = getelementptr inbounds %S.ast.Type, ptr %t724, i64 %t720
+  %t726 = load %S.ast.Type, ptr %t725
+  %t727 = call i64 @finch.gen.diType(ptr %t718, %S.ast.Type %t726)
+  %t728 = getelementptr inbounds %S.gen.SizeAlign, ptr %a705, i32 0, i32 0
+  %t729 = load i64, ptr %t728
+  %t730 = mul i64 %t729, 8
+  %t731 = load i64, ptr %a692
+  %t732 = load { ptr, i64, i64 }, ptr %a683
+  %t733 = extractvalue { ptr, i64, i64 } %t732, 1
+  %t734 = icmp uge i64 %t731, %t733
+  br i1 %t734, label %range4556, label %inrange4557
+range4556:
+  call void @finch_panic_index(ptr @.str.2811, i64 2025, i64 %t731, i64 %t733)
   unreachable
-inrange4337:
-  %t668 = extractvalue { ptr, i64, i64 } %t665, 0
-  %t669 = getelementptr inbounds i64, ptr %t668, i64 %t664
-  %t670 = load i64, ptr %t669
-  %t671 = mul i64 %t670, 8
-  %t672 = call i64 @finch.gen.dbgMember(ptr %t640, { ptr, i64, i64 } %t648, i64 %t649, i64 %t650, i64 0, i64 %t660, i64 %t663, i64 %t671)
-  call void @finch_str_from_int(ptr %a673, i64 %t672)
-  %t674 = load { ptr, i64, i64 }, ptr %a673
-  store { ptr, i64, i64 } { ptr @.str.2721, i64 1, i64 0 }, ptr %a676
-  store { ptr, i64, i64 } %t674, ptr %a677
-  call void @finch_str_concat(ptr %a675, ptr %a676, ptr %a677)
-  %t678 = load { ptr, i64, i64 }, ptr %a675
-  %t679 = load i64, ptr %t639
-  %t680 = add i64 %t679, 1
-  call void @finch_arr_reserve(ptr %a621, i64 %t680, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t681 = load ptr, ptr %a621
-  %t682 = getelementptr inbounds { ptr, i64, i64 }, ptr %t681, i64 %t679
-  store { ptr, i64, i64 } %t678, ptr %t682
-  store i64 %t680, ptr %t639
-  br label %for.step4328
-for.step4328:
-  %t683 = load i64, ptr %a625
-  %t684 = add i64 %t683, 1
-  store i64 %t684, ptr %a625
-  br label %for.cond4326
-for.end4329:
-  %t685 = getelementptr inbounds %S.gen.StructDef, ptr %a612, i32 0, i32 1
-  %t686 = load { ptr, i64, i64 }, ptr %t685
-  store { ptr, i64, i64 } { ptr @.str.2725, i64 52, i64 0 }, ptr %a688
-  store { ptr, i64, i64 } %t686, ptr %a689
-  call void @finch_str_concat(ptr %a687, ptr %a688, ptr %a689)
-  %t690 = load { ptr, i64, i64 }, ptr %a687
-  store { ptr, i64, i64 } %t690, ptr %a692
-  store { ptr, i64, i64 } { ptr @.str.2726, i64 10, i64 0 }, ptr %a693
-  call void @finch_str_concat(ptr %a691, ptr %a692, ptr %a693)
-  %t694 = load { ptr, i64, i64 }, ptr %a691
-  %t695 = load i64, ptr %a58
-  call void @finch_str_from_int(ptr %a696, i64 %t695)
-  %t697 = load { ptr, i64, i64 }, ptr %a696
-  store { ptr, i64, i64 } %t694, ptr %a699
-  store { ptr, i64, i64 } %t697, ptr %a700
-  call void @finch_str_concat(ptr %a698, ptr %a699, ptr %a700)
-  %t701 = load { ptr, i64, i64 }, ptr %a698
-  store { ptr, i64, i64 } %t701, ptr %a703
-  store { ptr, i64, i64 } { ptr @.str.2727, i64 8, i64 0 }, ptr %a704
-  call void @finch_str_concat(ptr %a702, ptr %a703, ptr %a704)
-  %t705 = load { ptr, i64, i64 }, ptr %a702
-  %t706 = getelementptr inbounds %S.gen.SizeAlign, ptr %a620, i32 0, i32 0
-  %t707 = load i64, ptr %t706
-  %t708 = mul i64 %t707, 8
-  call void @finch_str_from_int(ptr %a709, i64 %t708)
-  %t710 = load { ptr, i64, i64 }, ptr %a709
-  store { ptr, i64, i64 } %t705, ptr %a712
-  store { ptr, i64, i64 } %t710, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t714, ptr %a716
-  store { ptr, i64, i64 } { ptr @.str.2728, i64 24, i64 0 }, ptr %a717
-  call void @finch_str_concat(ptr %a715, ptr %a716, ptr %a717)
-  %t718 = load { ptr, i64, i64 }, ptr %a715
-  %t719 = getelementptr inbounds { ptr, i64, i64 }, ptr %a621, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2729, i64 2, i64 0 }, ptr %a720
-  call void @finch_str_join(ptr %a721, ptr %a621, ptr %a720)
-  %t722 = load { ptr, i64, i64 }, ptr %a721
-  store { ptr, i64, i64 } %t718, ptr %a724
-  store { ptr, i64, i64 } %t722, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  store { ptr, i64, i64 } %t726, ptr %a728
-  store { ptr, i64, i64 } { ptr @.str.2730, i64 2, i64 0 }, ptr %a729
-  call void @finch_str_concat(ptr %a727, ptr %a728, ptr %a729)
-  %t730 = load { ptr, i64, i64 }, ptr %a727
-  %t731 = load ptr, ptr %a1
-  %t732 = icmp eq ptr %t731, null
-  br i1 %t732, label %panic4338, label %ok4339
-panic4338:
-  call void @finch_panic(ptr @.str.2731, i64 1872, ptr @.str.2732)
+inrange4557:
+  %t735 = extractvalue { ptr, i64, i64 } %t732, 0
+  %t736 = getelementptr inbounds i64, ptr %t735, i64 %t731
+  %t737 = load i64, ptr %t736
+  %t738 = mul i64 %t737, 8
+  %t739 = call i64 @finch.gen.dbgMember(ptr %t707, { ptr, i64, i64 } %t715, i64 %t716, i64 %t717, i64 0, i64 %t727, i64 %t730, i64 %t738)
+  call void @finch_str_from_int(ptr %a740, i64 %t739)
+  %t741 = load { ptr, i64, i64 }, ptr %a740
+  store { ptr, i64, i64 } { ptr @.str.2808, i64 1, i64 0 }, ptr %a743
+  store { ptr, i64, i64 } %t741, ptr %a744
+  call void @finch_str_concat(ptr %a742, ptr %a743, ptr %a744)
+  store { ptr, i64, i64 } %t741, ptr %a745
+  call void @finch_str_drop(ptr %a745)
+  %t746 = load { ptr, i64, i64 }, ptr %a742
+  %t747 = load i64, ptr %t706
+  %t748 = add i64 %t747, 1
+  call void @finch_arr_reserve(ptr %a688, i64 %t748, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t749 = load ptr, ptr %a688
+  %t750 = getelementptr inbounds { ptr, i64, i64 }, ptr %t749, i64 %t747
+  store { ptr, i64, i64 } %t746, ptr %t750
+  store i64 %t748, ptr %t706
+  br label %for.step4548
+for.step4548:
+  %t751 = load i64, ptr %a692
+  %t752 = add i64 %t751, 1
+  store i64 %t752, ptr %a692
+  br label %for.cond4546
+for.end4549:
+  %t753 = getelementptr inbounds %S.gen.StructDef, ptr %a679, i32 0, i32 1
+  %t754 = load { ptr, i64, i64 }, ptr %t753
+  store { ptr, i64, i64 } { ptr @.str.2812, i64 52, i64 0 }, ptr %a756
+  store { ptr, i64, i64 } %t754, ptr %a757
+  call void @finch_str_concat(ptr %a755, ptr %a756, ptr %a757)
+  %t758 = load { ptr, i64, i64 }, ptr %a755
+  store { ptr, i64, i64 } %t758, ptr %a760
+  store { ptr, i64, i64 } { ptr @.str.2813, i64 10, i64 0 }, ptr %a761
+  call void @finch_str_concat(ptr %a759, ptr %a760, ptr %a761)
+  store { ptr, i64, i64 } %t758, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = load { ptr, i64, i64 }, ptr %a759
+  %t764 = load i64, ptr %a59
+  call void @finch_str_from_int(ptr %a765, i64 %t764)
+  %t766 = load { ptr, i64, i64 }, ptr %a765
+  store { ptr, i64, i64 } %t763, ptr %a768
+  store { ptr, i64, i64 } %t766, ptr %a769
+  call void @finch_str_concat(ptr %a767, ptr %a768, ptr %a769)
+  store { ptr, i64, i64 } %t763, ptr %a770
+  call void @finch_str_drop(ptr %a770)
+  store { ptr, i64, i64 } %t766, ptr %a771
+  call void @finch_str_drop(ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a767
+  store { ptr, i64, i64 } %t772, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.2814, i64 8, i64 0 }, ptr %a775
+  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
+  store { ptr, i64, i64 } %t772, ptr %a776
+  call void @finch_str_drop(ptr %a776)
+  %t777 = load { ptr, i64, i64 }, ptr %a773
+  %t778 = getelementptr inbounds %S.gen.SizeAlign, ptr %a687, i32 0, i32 0
+  %t779 = load i64, ptr %t778
+  %t780 = mul i64 %t779, 8
+  call void @finch_str_from_int(ptr %a781, i64 %t780)
+  %t782 = load { ptr, i64, i64 }, ptr %a781
+  store { ptr, i64, i64 } %t777, ptr %a784
+  store { ptr, i64, i64 } %t782, ptr %a785
+  call void @finch_str_concat(ptr %a783, ptr %a784, ptr %a785)
+  store { ptr, i64, i64 } %t777, ptr %a786
+  call void @finch_str_drop(ptr %a786)
+  store { ptr, i64, i64 } %t782, ptr %a787
+  call void @finch_str_drop(ptr %a787)
+  %t788 = load { ptr, i64, i64 }, ptr %a783
+  store { ptr, i64, i64 } %t788, ptr %a790
+  store { ptr, i64, i64 } { ptr @.str.2815, i64 24, i64 0 }, ptr %a791
+  call void @finch_str_concat(ptr %a789, ptr %a790, ptr %a791)
+  store { ptr, i64, i64 } %t788, ptr %a792
+  call void @finch_str_drop(ptr %a792)
+  %t793 = load { ptr, i64, i64 }, ptr %a789
+  %t794 = getelementptr inbounds { ptr, i64, i64 }, ptr %a688, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2816, i64 2, i64 0 }, ptr %a795
+  call void @finch_str_join(ptr %a796, ptr %a688, ptr %a795)
+  %t797 = load { ptr, i64, i64 }, ptr %a796
+  store { ptr, i64, i64 } %t793, ptr %a799
+  store { ptr, i64, i64 } %t797, ptr %a800
+  call void @finch_str_concat(ptr %a798, ptr %a799, ptr %a800)
+  store { ptr, i64, i64 } %t793, ptr %a801
+  call void @finch_str_drop(ptr %a801)
+  store { ptr, i64, i64 } %t797, ptr %a802
+  call void @finch_str_drop(ptr %a802)
+  %t803 = load { ptr, i64, i64 }, ptr %a798
+  store { ptr, i64, i64 } %t803, ptr %a805
+  store { ptr, i64, i64 } { ptr @.str.2817, i64 2, i64 0 }, ptr %a806
+  call void @finch_str_concat(ptr %a804, ptr %a805, ptr %a806)
+  store { ptr, i64, i64 } %t803, ptr %a807
+  call void @finch_str_drop(ptr %a807)
+  %t808 = load { ptr, i64, i64 }, ptr %a804
+  %t809 = load ptr, ptr %a1
+  %t810 = icmp eq ptr %t809, null
+  br i1 %t810, label %panic4558, label %ok4559
+panic4558:
+  call void @finch_panic(ptr @.str.2818, i64 2027, ptr @.str.2819)
   unreachable
-ok4339:
-  %t733 = getelementptr inbounds %S.gen.Gen, ptr %t731, i32 0, i32 31
-  %t734 = load i64, ptr %a48
-  %t735 = load { ptr, i64, i64 }, ptr %t733
-  %t736 = extractvalue { ptr, i64, i64 } %t735, 1
-  %t737 = icmp uge i64 %t734, %t736
-  br i1 %t737, label %range4340, label %inrange4341
-range4340:
-  call void @finch_panic_index(ptr @.str.2733, i64 1872, i64 %t734, i64 %t736)
+ok4559:
+  %t811 = getelementptr inbounds %S.gen.Gen, ptr %t809, i32 0, i32 32
+  %t812 = load i64, ptr %a49
+  %t813 = load { ptr, i64, i64 }, ptr %t811
+  %t814 = extractvalue { ptr, i64, i64 } %t813, 1
+  %t815 = icmp uge i64 %t812, %t814
+  br i1 %t815, label %range4560, label %inrange4561
+range4560:
+  call void @finch_panic_index(ptr @.str.2820, i64 2027, i64 %t812, i64 %t814)
   unreachable
-inrange4341:
-  %t738 = extractvalue { ptr, i64, i64 } %t735, 0
-  %t739 = getelementptr inbounds { ptr, i64, i64 }, ptr %t738, i64 %t734
-  store { ptr, i64, i64 } %t730, ptr %t739
-  br label %endif4321
-else4320:
-  %t740 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.2734, i64 20, i64 0 }, ptr %a742
-  store { ptr, i64, i64 } %t740, ptr %a743
-  call void @finch_str_concat(ptr %a741, ptr %a742, ptr %a743)
-  %t744 = load { ptr, i64, i64 }, ptr %a741
-  store { ptr, i64, i64 } %t744, ptr %a746
-  store { ptr, i64, i64 } { ptr @.str.2735, i64 39, i64 0 }, ptr %a747
-  call void @finch_str_concat(ptr %a745, ptr %a746, ptr %a747)
-  %t748 = load { ptr, i64, i64 }, ptr %a745
-  %t749 = load ptr, ptr %a1
-  %t750 = icmp eq ptr %t749, null
-  br i1 %t750, label %panic4342, label %ok4343
-panic4342:
-  call void @finch_panic(ptr @.str.2736, i64 1874, ptr @.str.2737)
+inrange4561:
+  %t816 = extractvalue { ptr, i64, i64 } %t813, 0
+  %t817 = getelementptr inbounds { ptr, i64, i64 }, ptr %t816, i64 %t812
+  %t818 = load { ptr, i64, i64 }, ptr %t817
+  store { ptr, i64, i64 } %t808, ptr %t817
+  store { ptr, i64, i64 } %t818, ptr %a819
+  call void @finch_str_drop(ptr %a819)
+  call void @finch.drop.arr_str(ptr %a688)
+  call void @finch.drop.arr_int(ptr %a683)
+  call void @finch.drop.S_gen_StructDef(ptr %a679)
+  br label %endif4541
+else4540:
+  %t820 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.2821, i64 20, i64 0 }, ptr %a822
+  store { ptr, i64, i64 } %t820, ptr %a823
+  call void @finch_str_concat(ptr %a821, ptr %a822, ptr %a823)
+  %t824 = load { ptr, i64, i64 }, ptr %a821
+  store { ptr, i64, i64 } %t824, ptr %a826
+  store { ptr, i64, i64 } { ptr @.str.2822, i64 39, i64 0 }, ptr %a827
+  call void @finch_str_concat(ptr %a825, ptr %a826, ptr %a827)
+  store { ptr, i64, i64 } %t824, ptr %a828
+  call void @finch_str_drop(ptr %a828)
+  %t829 = load { ptr, i64, i64 }, ptr %a825
+  %t830 = load ptr, ptr %a1
+  %t831 = icmp eq ptr %t830, null
+  br i1 %t831, label %panic4562, label %ok4563
+panic4562:
+  call void @finch_panic(ptr @.str.2823, i64 2029, ptr @.str.2824)
   unreachable
-ok4343:
-  %t751 = getelementptr inbounds %S.gen.Gen, ptr %t749, i32 0, i32 31
-  %t752 = load i64, ptr %a48
-  %t753 = load { ptr, i64, i64 }, ptr %t751
-  %t754 = extractvalue { ptr, i64, i64 } %t753, 1
-  %t755 = icmp uge i64 %t752, %t754
-  br i1 %t755, label %range4344, label %inrange4345
-range4344:
-  call void @finch_panic_index(ptr @.str.2738, i64 1874, i64 %t752, i64 %t754)
+ok4563:
+  %t832 = getelementptr inbounds %S.gen.Gen, ptr %t830, i32 0, i32 32
+  %t833 = load i64, ptr %a49
+  %t834 = load { ptr, i64, i64 }, ptr %t832
+  %t835 = extractvalue { ptr, i64, i64 } %t834, 1
+  %t836 = icmp uge i64 %t833, %t835
+  br i1 %t836, label %range4564, label %inrange4565
+range4564:
+  call void @finch_panic_index(ptr @.str.2825, i64 2029, i64 %t833, i64 %t835)
   unreachable
-inrange4345:
-  %t756 = extractvalue { ptr, i64, i64 } %t753, 0
-  %t757 = getelementptr inbounds { ptr, i64, i64 }, ptr %t756, i64 %t752
-  store { ptr, i64, i64 } %t748, ptr %t757
-  br label %endif4321
-endif4321:
-  br label %endif4301
-endif4301:
-  br label %endif4289
-endif4289:
-  br label %endif4274
-endif4274:
-  br label %endif4262
-endif4262:
-  %t758 = load i64, ptr %a48
-  ret i64 %t758
-endif4243:
-  br label %endif4237
-endif4237:
-  br label %endif4234
-endif4234:
-  br label %endif4231
-endif4231:
-  br label %endif4228
-endif4228:
-  br label %endif4225
-endif4225:
-  br label %endif4222
-endif4222:
-  %t759 = load i64, ptr %a48
-  %t760 = load ptr, ptr %a1
-  %t761 = icmp eq ptr %t760, null
-  br i1 %t761, label %panic4346, label %ok4347
-panic4346:
-  call void @finch_panic(ptr @.str.2739, i64 1878, ptr @.str.2740)
+inrange4565:
+  %t837 = extractvalue { ptr, i64, i64 } %t834, 0
+  %t838 = getelementptr inbounds { ptr, i64, i64 }, ptr %t837, i64 %t833
+  %t839 = load { ptr, i64, i64 }, ptr %t838
+  store { ptr, i64, i64 } %t829, ptr %t838
+  store { ptr, i64, i64 } %t839, ptr %a840
+  call void @finch_str_drop(ptr %a840)
+  br label %endif4541
+endif4541:
+  br label %endif4521
+endif4521:
+  br label %endif4509
+endif4509:
+  br label %endif4494
+endif4494:
+  br label %endif4482
+endif4482:
+  %t841 = load i64, ptr %a49
+  call void @finch_str_drop(ptr %a27)
+  call void @finch_str_drop(ptr %a8)
+  ret i64 %t841
+endif4463:
+  br label %endif4457
+endif4457:
+  br label %endif4454
+endif4454:
+  br label %endif4451
+endif4451:
+  br label %endif4448
+endif4448:
+  br label %endif4445
+endif4445:
+  br label %endif4442
+endif4442:
+  %t842 = load i64, ptr %a49
+  %t843 = load ptr, ptr %a1
+  %t844 = icmp eq ptr %t843, null
+  br i1 %t844, label %panic4566, label %ok4567
+panic4566:
+  call void @finch_panic(ptr @.str.2826, i64 2033, ptr @.str.2827)
   unreachable
-ok4347:
-  %t762 = getelementptr inbounds %S.gen.Gen, ptr %t760, i32 0, i32 32
-  %t763 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t763, ptr %a764
-  store i32 0, ptr %a765
-  %t766 = call i64 @finch_map_slot(ptr %t762, ptr %a764, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a765)
-  %t767 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t762, i32 0, i32 0
-  %t768 = load ptr, ptr %t767
-  %t769 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t768, i64 %t766
-  %t770 = load i32, ptr %a765
-  %t771 = icmp ne i32 %t770, 0
-  br i1 %t771, label %map.new4348, label %map.have4349
-map.new4348:
-  %t772 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t769, i32 0, i32 1
-  call void @finch_str_copy(ptr %t772, ptr %a764)
-  %t773 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t769, i32 0, i32 2
-  store i64 0, ptr %t773
-  br label %map.have4349
-map.have4349:
-  %t774 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t769, i32 0, i32 2
-  store i64 %t759, ptr %t774
-  %t775 = load i64, ptr %a48
-  ret i64 %t775
+ok4567:
+  %t845 = getelementptr inbounds %S.gen.Gen, ptr %t843, i32 0, i32 33
+  %t846 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t846, ptr %a847
+  store i32 0, ptr %a848
+  %t849 = call i64 @finch_map_slot(ptr %t845, ptr %a847, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a848)
+  %t850 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t845, i32 0, i32 0
+  %t851 = load ptr, ptr %t850
+  %t852 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t851, i64 %t849
+  %t853 = load i32, ptr %a848
+  %t854 = icmp ne i32 %t853, 0
+  br i1 %t854, label %map.new4568, label %map.have4569
+map.new4568:
+  %t855 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t852, i32 0, i32 1
+  call void @finch_str_copy(ptr %t855, ptr %a847)
+  %t856 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t852, i32 0, i32 2
+  store i64 0, ptr %t856
+  br label %map.have4569
+map.have4569:
+  %t857 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t852, i32 0, i32 2
+  store i64 %t842, ptr %t857
+  %t858 = load i64, ptr %a49
+  call void @finch_str_drop(ptr %a27)
+  call void @finch_str_drop(ptr %a8)
+  ret i64 %t858
 }
 
 define internal i64 @finch.gen.dbgLocation(ptr %p0) {
@@ -40228,235 +46689,285 @@ entry:
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca i64, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca i32, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca i64, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca i32, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic4350, label %ok4351
-panic4350:
-  call void @finch_panic(ptr @.str.2742, i64 1883, ptr @.str.2743)
+  br i1 %t3, label %panic4570, label %ok4571
+panic4570:
+  call void @finch_panic(ptr @.str.2829, i64 2038, ptr @.str.2830)
   unreachable
-ok4351:
-  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 35
+ok4571:
+  %t4 = getelementptr inbounds %S.gen.Gen, ptr %t2, i32 0, i32 36
   %t5 = load i64, ptr %t4
   call void @finch_str_from_int(ptr %a6, i64 %t5)
   %t7 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.2741, i64 2, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.2828, i64 2, i64 0 }, ptr %a9
   store { ptr, i64, i64 } %t7, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t11, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.2744, i64 1, i64 0 }, ptr %a14
-  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  %t16 = load ptr, ptr %a1
-  %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic4352, label %ok4353
-panic4352:
-  call void @finch_panic(ptr @.str.2745, i64 1883, ptr @.str.2746)
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.2831, i64 1, i64 0 }, ptr %a15
+  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic4572, label %ok4573
+panic4572:
+  call void @finch_panic(ptr @.str.2832, i64 2038, ptr @.str.2833)
   unreachable
-ok4353:
-  %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 36
-  %t19 = load i64, ptr %t18
-  call void @finch_str_from_int(ptr %a20, i64 %t19)
-  %t21 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t15, ptr %a23
-  store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2747, i64 1, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic4354, label %ok4355
-panic4354:
-  call void @finch_panic(ptr @.str.2748, i64 1883, ptr @.str.2749)
+ok4573:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 37
+  %t21 = load i64, ptr %t20
+  call void @finch_str_from_int(ptr %a22, i64 %t21)
+  %t23 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t17, ptr %a25
+  store { ptr, i64, i64 } %t23, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t17, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  store { ptr, i64, i64 } %t23, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t29, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.2834, i64 1, i64 0 }, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  %t35 = load ptr, ptr %a1
+  %t36 = icmp eq ptr %t35, null
+  br i1 %t36, label %panic4574, label %ok4575
+panic4574:
+  call void @finch_panic(ptr @.str.2835, i64 2038, ptr @.str.2836)
   unreachable
-ok4355:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 34
-  %t33 = load i64, ptr %t32
-  call void @finch_str_from_int(ptr %a34, i64 %t33)
-  %t35 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t29, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t39, ptr %a40
-  %t41 = load ptr, ptr %a1
-  %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic4356, label %ok4357
-panic4356:
-  call void @finch_panic(ptr @.str.2750, i64 1884, ptr @.str.2751)
-  unreachable
-ok4357:
-  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 32
-  %t44 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t44, ptr %a45
-  %t46 = call i64 @finch_map_find(ptr %t43, ptr %a45, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t47 = icmp sge i64 %t46, 0
-  br i1 %t47, label %then4358, label %endif4360
-then4358:
+ok4575:
+  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 35
+  %t38 = load i64, ptr %t37
+  call void @finch_str_from_int(ptr %a39, i64 %t38)
+  %t40 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t34, ptr %a42
+  store { ptr, i64, i64 } %t40, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t34, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  store { ptr, i64, i64 } %t40, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t46, ptr %a47
   %t48 = load ptr, ptr %a1
   %t49 = icmp eq ptr %t48, null
-  br i1 %t49, label %panic4361, label %ok4362
-panic4361:
-  call void @finch_panic(ptr @.str.2752, i64 1885, ptr @.str.2753)
+  br i1 %t49, label %panic4576, label %ok4577
+panic4576:
+  call void @finch_panic(ptr @.str.2837, i64 2039, ptr @.str.2838)
   unreachable
-ok4362:
-  %t50 = getelementptr inbounds %S.gen.Gen, ptr %t48, i32 0, i32 32
-  %t51 = load { ptr, i64, i64 }, ptr %a40
+ok4577:
+  %t50 = getelementptr inbounds %S.gen.Gen, ptr %t48, i32 0, i32 33
+  %t51 = load { ptr, i64, i64 }, ptr %a47
   store { ptr, i64, i64 } %t51, ptr %a52
   %t53 = call i64 @finch_map_find(ptr %t50, ptr %a52, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t54 = icmp slt i64 %t53, 0
-  br i1 %t54, label %map.missing4363, label %map.found4364
-map.missing4363:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a55
-  store { ptr, i64, i64 } %t51, ptr %a56
-  call void @finch_buf_str(ptr %a55, ptr %a56, i32 1)
-  call void @finch_map_missing(ptr @.str.2754, i64 1885, ptr %a55)
+  %t54 = icmp sge i64 %t53, 0
+  br i1 %t54, label %then4578, label %endif4580
+then4578:
+  %t55 = load ptr, ptr %a1
+  %t56 = icmp eq ptr %t55, null
+  br i1 %t56, label %panic4581, label %ok4582
+panic4581:
+  call void @finch_panic(ptr @.str.2839, i64 2040, ptr @.str.2840)
   unreachable
-map.found4364:
-  %t57 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t50, i32 0, i32 0
-  %t58 = load ptr, ptr %t57
-  %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t58, i64 %t53
-  %t60 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t59, i32 0, i32 2
-  %t61 = load i64, ptr %t60
-  ret i64 %t61
-endif4360:
-  %t62 = load ptr, ptr %a1
-  %t63 = load ptr, ptr %a1
-  %t64 = icmp eq ptr %t63, null
-  br i1 %t64, label %panic4365, label %ok4366
-panic4365:
-  call void @finch_panic(ptr @.str.2756, i64 1887, ptr @.str.2757)
+ok4582:
+  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 33
+  %t58 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t58, ptr %a59
+  %t60 = call i64 @finch_map_find(ptr %t57, ptr %a59, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t61 = icmp slt i64 %t60, 0
+  br i1 %t61, label %map.missing4583, label %map.found4584
+map.missing4583:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a62
+  store { ptr, i64, i64 } %t58, ptr %a63
+  call void @finch_buf_str(ptr %a62, ptr %a63, i32 1)
+  call void @finch_map_missing(ptr @.str.2841, i64 2040, ptr %a62)
   unreachable
-ok4366:
-  %t65 = getelementptr inbounds %S.gen.Gen, ptr %t63, i32 0, i32 35
-  %t66 = load i64, ptr %t65
-  call void @finch_str_from_int(ptr %a67, i64 %t66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.2755, i64 18, i64 0 }, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.2758, i64 10, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = load ptr, ptr %a1
-  %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic4367, label %ok4368
-panic4367:
-  call void @finch_panic(ptr @.str.2759, i64 1887, ptr @.str.2760)
+map.found4584:
+  %t64 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t57, i32 0, i32 0
+  %t65 = load ptr, ptr %t64
+  %t66 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t65, i64 %t60
+  %t67 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t66, i32 0, i32 2
+  %t68 = load i64, ptr %t67
+  call void @finch_str_drop(ptr %a47)
+  ret i64 %t68
+endif4580:
+  %t69 = load ptr, ptr %a1
+  %t70 = load ptr, ptr %a1
+  %t71 = icmp eq ptr %t70, null
+  br i1 %t71, label %panic4585, label %ok4586
+panic4585:
+  call void @finch_panic(ptr @.str.2843, i64 2042, ptr @.str.2844)
   unreachable
-ok4368:
-  %t79 = getelementptr inbounds %S.gen.Gen, ptr %t77, i32 0, i32 36
-  %t80 = load i64, ptr %t79
-  call void @finch_str_from_int(ptr %a81, i64 %t80)
-  %t82 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t76, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.2761, i64 10, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load ptr, ptr %a1
-  %t92 = icmp eq ptr %t91, null
-  br i1 %t92, label %panic4369, label %ok4370
-panic4369:
-  call void @finch_panic(ptr @.str.2762, i64 1887, ptr @.str.2763)
+ok4586:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 36
+  %t73 = load i64, ptr %t72
+  call void @finch_str_from_int(ptr %a74, i64 %t73)
+  %t75 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.2842, i64 18, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.2845, i64 10, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic4587, label %ok4588
+panic4587:
+  call void @finch_panic(ptr @.str.2846, i64 2042, ptr @.str.2847)
   unreachable
-ok4370:
-  %t93 = getelementptr inbounds %S.gen.Gen, ptr %t91, i32 0, i32 34
-  %t94 = load i64, ptr %t93
-  call void @finch_str_from_int(ptr %a95, i64 %t94)
-  %t96 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t90, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.2764, i64 1, i64 0 }, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  %t105 = call i64 @finch.gen.md(ptr %t62, { ptr, i64, i64 } %t104)
-  store i64 %t105, ptr %a106
-  %t107 = load i64, ptr %a106
-  %t108 = load ptr, ptr %a1
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic4371, label %ok4372
-panic4371:
-  call void @finch_panic(ptr @.str.2765, i64 1888, ptr @.str.2766)
+ok4588:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 37
+  %t89 = load i64, ptr %t88
+  call void @finch_str_from_int(ptr %a90, i64 %t89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t85, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t85, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t97, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.2848, i64 10, i64 0 }, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t97, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
+  %t103 = load ptr, ptr %a1
+  %t104 = icmp eq ptr %t103, null
+  br i1 %t104, label %panic4589, label %ok4590
+panic4589:
+  call void @finch_panic(ptr @.str.2849, i64 2042, ptr @.str.2850)
   unreachable
-ok4372:
-  %t110 = getelementptr inbounds %S.gen.Gen, ptr %t108, i32 0, i32 32
-  %t111 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store i32 0, ptr %a113
-  %t114 = call i64 @finch_map_slot(ptr %t110, ptr %a112, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a113)
-  %t115 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t110, i32 0, i32 0
-  %t116 = load ptr, ptr %t115
-  %t117 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t116, i64 %t114
-  %t118 = load i32, ptr %a113
-  %t119 = icmp ne i32 %t118, 0
-  br i1 %t119, label %map.new4373, label %map.have4374
-map.new4373:
-  %t120 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t117, i32 0, i32 1
-  call void @finch_str_copy(ptr %t120, ptr %a112)
-  %t121 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t117, i32 0, i32 2
-  store i64 0, ptr %t121
-  br label %map.have4374
-map.have4374:
-  %t122 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t117, i32 0, i32 2
-  store i64 %t107, ptr %t122
-  %t123 = load i64, ptr %a106
-  ret i64 %t123
+ok4590:
+  %t105 = getelementptr inbounds %S.gen.Gen, ptr %t103, i32 0, i32 35
+  %t106 = load i64, ptr %t105
+  call void @finch_str_from_int(ptr %a107, i64 %t106)
+  %t108 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t102, ptr %a110
+  store { ptr, i64, i64 } %t108, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t102, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.2851, i64 1, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = call i64 @finch.gen.md(ptr %t69, { ptr, i64, i64 } %t119)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store i64 %t120, ptr %a122
+  %t123 = load i64, ptr %a122
+  %t124 = load ptr, ptr %a1
+  %t125 = icmp eq ptr %t124, null
+  br i1 %t125, label %panic4591, label %ok4592
+panic4591:
+  call void @finch_panic(ptr @.str.2852, i64 2043, ptr @.str.2853)
+  unreachable
+ok4592:
+  %t126 = getelementptr inbounds %S.gen.Gen, ptr %t124, i32 0, i32 33
+  %t127 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t127, ptr %a128
+  store i32 0, ptr %a129
+  %t130 = call i64 @finch_map_slot(ptr %t126, ptr %a128, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i64 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a129)
+  %t131 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t126, i32 0, i32 0
+  %t132 = load ptr, ptr %t131
+  %t133 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t132, i64 %t130
+  %t134 = load i32, ptr %a129
+  %t135 = icmp ne i32 %t134, 0
+  br i1 %t135, label %map.new4593, label %map.have4594
+map.new4593:
+  %t136 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t133, i32 0, i32 1
+  call void @finch_str_copy(ptr %t136, ptr %a128)
+  %t137 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t133, i32 0, i32 2
+  store i64 0, ptr %t137
+  br label %map.have4594
+map.have4594:
+  %t138 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t133, i32 0, i32 2
+  store i64 %t123, ptr %t138
+  %t139 = load i64, ptr %a122
+  call void @finch_str_drop(ptr %a47)
+  ret i64 %t139
 }
 
 define internal i64 @finch.gen.dbgSubprogram(ptr %p0, %S.ast.Node %p1) {
@@ -40475,69 +46986,92 @@ entry:
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca i64, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca i64, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4375, label %ok4376
-panic4375:
-  call void @finch_panic(ptr @.str.2767, i64 1893, ptr @.str.2768)
+  br i1 %t4, label %panic4595, label %ok4596
+panic4595:
+  call void @finch_panic(ptr @.str.2854, i64 2048, ptr @.str.2855)
   unreachable
-ok4376:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 12
+ok4596:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 13
   %t6 = load %S.gen.FnSig, ptr %t5
   store %S.gen.FnSig %t6, ptr %a7
   call void @finch.copy.S_gen_FnSig(ptr %a8, ptr %a7)
@@ -40561,28 +47095,28 @@ ok4376:
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = icmp sgt i64 %t24, 0
-  br i1 %t25, label %then4377, label %endif4379
-then4377:
+  br i1 %t25, label %then4597, label %endif4599
+then4597:
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
   %t27 = load i64, ptr %t26
   %t28 = add i64 %t27, 1
   call void @finch_arr_reserve(ptr %a11, i64 %t28, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t29 = load ptr, ptr %a11
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 %t27
-  store { ptr, i64, i64 } { ptr @.str.2769, i64 4, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.2856, i64 4, i64 0 }, ptr %t30
   store i64 %t28, ptr %t26
-  br label %endif4379
-endif4379:
+  br label %endif4599
+endif4599:
   %t31 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 13
   store i64 0, ptr %a32
-  br label %each.cond4380
-each.cond4380:
+  br label %each.cond4600
+each.cond4600:
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i32 0, i32 1
   %t34 = load i64, ptr %t33
   %t35 = load i64, ptr %a32
   %t36 = icmp slt i64 %t35, %t34
-  br i1 %t36, label %each.body4381, label %each.end4383
-each.body4381:
+  br i1 %t36, label %each.body4601, label %each.end4603
+each.body4601:
   %t37 = load ptr, ptr %t31
   %t38 = getelementptr inbounds %S.ast.Type, ptr %t37, i64 %t35
   %t39 = load %S.ast.Type, ptr %t38
@@ -40599,136 +47133,184 @@ each.body4381:
   %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i64 %t46
   store { ptr, i64, i64 } %t45, ptr %t49
   store i64 %t47, ptr %t41
-  br label %each.step4382
-each.step4382:
+  br label %each.step4602
+each.step4602:
   %t50 = load i64, ptr %a32
   %t51 = add i64 %t50, 1
   store i64 %t51, ptr %a32
-  br label %each.cond4380
-each.end4383:
+  br label %each.cond4600
+each.end4603:
   %t52 = load ptr, ptr %a1
   %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic4384, label %ok4385
-panic4384:
-  call void @finch_panic(ptr @.str.2770, i64 1902, ptr @.str.2771)
+  br i1 %t53, label %panic4604, label %ok4605
+panic4604:
+  call void @finch_panic(ptr @.str.2857, i64 2057, ptr @.str.2858)
   unreachable
-ok4385:
-  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 33
+ok4605:
+  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 34
   %t55 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
   %t56 = load i64, ptr %t55
   %t57 = load { ptr, i64, i64 }, ptr %t54
   %t58 = extractvalue { ptr, i64, i64 } %t57, 1
   %t59 = icmp uge i64 %t56, %t58
-  br i1 %t59, label %range4386, label %inrange4387
-range4386:
-  call void @finch_panic_index(ptr @.str.2772, i64 1902, i64 %t56, i64 %t58)
+  br i1 %t59, label %range4606, label %inrange4607
+range4606:
+  call void @finch_panic_index(ptr @.str.2859, i64 2057, i64 %t56, i64 %t58)
   unreachable
-inrange4387:
+inrange4607:
   %t60 = extractvalue { ptr, i64, i64 } %t57, 0
   %t61 = getelementptr inbounds i64, ptr %t60, i64 %t56
   %t62 = load i64, ptr %t61
   store i64 %t62, ptr %a63
   %t64 = load ptr, ptr %a1
   %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2774, i64 2, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2861, i64 2, i64 0 }, ptr %a66
   call void @finch_str_join(ptr %a67, ptr %a11, ptr %a66)
   %t68 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.2773, i64 27, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.2860, i64 27, i64 0 }, ptr %a70
   store { ptr, i64, i64 } %t68, ptr %a71
   call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.2775, i64 2, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = call i64 @finch.gen.md(ptr %t64, { ptr, i64, i64 } %t76)
-  store i64 %t77, ptr %a78
-  %t79 = load ptr, ptr %a1
-  %t80 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 1
-  %t81 = load { ptr, i64, i64 }, ptr %t80
-  store { ptr, i64, i64 } { ptr @.str.2776, i64 30, i64 0 }, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.2777, i64 17, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 11
-  %t91 = load { ptr, i64, i64 }, ptr %t90
-  store { ptr, i64, i64 } %t91, ptr %a92
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t73, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.2862, i64 2, i64 0 }, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = call i64 @finch.gen.md(ptr %t64, { ptr, i64, i64 } %t78)
+  store { ptr, i64, i64 } %t78, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  store i64 %t79, ptr %a81
+  %t82 = load ptr, ptr %a1
+  %t83 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 1
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } { ptr @.str.2863, i64 30, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.2864, i64 17, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
   %t94 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 11
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  call void @finch_str_sub(ptr %a93, ptr %a92, i64 1, i64 %t96, ptr @.str.2778, i64 1904)
-  %t97 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t89, ptr %a99
-  store { ptr, i64, i64 } %t97, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  store { ptr, i64, i64 } %t101, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.2779, i64 11, i64 0 }, ptr %a104
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  store { ptr, i64, i64 } %t95, ptr %a96
+  %t98 = getelementptr inbounds %S.gen.FnSig, ptr %a10, i32 0, i32 11
+  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
+  %t100 = load i64, ptr %t99
+  call void @finch_str_sub(ptr %a97, ptr %a96, i64 1, i64 %t100, ptr @.str.2865, i64 2059)
+  %t101 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t93, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
   call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  %t106 = load i64, ptr %a63
-  call void @finch_str_from_int(ptr %a107, i64 %t106)
-  %t108 = load { ptr, i64, i64 }, ptr %a107
-  store { ptr, i64, i64 } %t105, ptr %a110
-  store { ptr, i64, i64 } %t108, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t112, ptr %a114
-  store { ptr, i64, i64 } { ptr @.str.2780, i64 9, i64 0 }, ptr %a115
-  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
-  %t116 = load { ptr, i64, i64 }, ptr %a113
-  %t117 = load i64, ptr %a63
-  call void @finch_str_from_int(ptr %a118, i64 %t117)
-  %t119 = load { ptr, i64, i64 }, ptr %a118
-  store { ptr, i64, i64 } %t116, ptr %a121
-  store { ptr, i64, i64 } %t119, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.2781, i64 8, i64 0 }, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t129 = load i64, ptr %t128
-  call void @finch_str_from_int(ptr %a130, i64 %t129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t127, ptr %a133
-  store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t93, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  store { ptr, i64, i64 } %t101, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t107, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.2866, i64 11, i64 0 }, ptr %a110
+  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a108
+  %t113 = load i64, ptr %a63
+  call void @finch_str_from_int(ptr %a114, i64 %t113)
+  %t115 = load { ptr, i64, i64 }, ptr %a114
+  store { ptr, i64, i64 } %t112, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t112, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  store { ptr, i64, i64 } %t115, ptr %a120
+  call void @finch_str_drop(ptr %a120)
+  %t121 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t121, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.2867, i64 9, i64 0 }, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  %t127 = load i64, ptr %a63
+  call void @finch_str_from_int(ptr %a128, i64 %t127)
+  %t129 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t126, ptr %a131
+  store { ptr, i64, i64 } %t129, ptr %a132
+  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
+  store { ptr, i64, i64 } %t126, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  store { ptr, i64, i64 } %t129, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a130
   store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.2782, i64 9, i64 0 }, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.2868, i64 8, i64 0 }, ptr %a138
   call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = load i64, ptr %a78
-  call void @finch_str_from_int(ptr %a141, i64 %t140)
-  %t142 = load { ptr, i64, i64 }, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a144
-  store { ptr, i64, i64 } %t142, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  store { ptr, i64, i64 } %t146, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.2783, i64 13, i64 0 }, ptr %a149
-  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
-  %t150 = load { ptr, i64, i64 }, ptr %a147
-  %t151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t152 = load i64, ptr %t151
-  call void @finch_str_from_int(ptr %a153, i64 %t152)
-  %t154 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t150, ptr %a156
-  store { ptr, i64, i64 } %t154, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t158, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.2784, i64 87, i64 0 }, ptr %a161
+  store { ptr, i64, i64 } %t135, ptr %a139
+  call void @finch_str_drop(ptr %a139)
+  %t140 = load { ptr, i64, i64 }, ptr %a136
+  %t141 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t142 = load i64, ptr %t141
+  call void @finch_str_from_int(ptr %a143, i64 %t142)
+  %t144 = load { ptr, i64, i64 }, ptr %a143
+  store { ptr, i64, i64 } %t140, ptr %a146
+  store { ptr, i64, i64 } %t144, ptr %a147
+  call void @finch_str_concat(ptr %a145, ptr %a146, ptr %a147)
+  store { ptr, i64, i64 } %t140, ptr %a148
+  call void @finch_str_drop(ptr %a148)
+  store { ptr, i64, i64 } %t144, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t150, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.2869, i64 9, i64 0 }, ptr %a153
+  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  %t156 = load i64, ptr %a81
+  call void @finch_str_from_int(ptr %a157, i64 %t156)
+  %t158 = load { ptr, i64, i64 }, ptr %a157
+  store { ptr, i64, i64 } %t155, ptr %a160
+  store { ptr, i64, i64 } %t158, ptr %a161
   call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  %t163 = call i64 @finch.gen.md(ptr %t79, { ptr, i64, i64 } %t162)
-  ret i64 %t163
+  store { ptr, i64, i64 } %t155, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  store { ptr, i64, i64 } %t158, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a159
+  store { ptr, i64, i64 } %t164, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.2870, i64 13, i64 0 }, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  store { ptr, i64, i64 } %t164, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a165
+  %t170 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t171 = load i64, ptr %t170
+  call void @finch_str_from_int(ptr %a172, i64 %t171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  store { ptr, i64, i64 } %t169, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t169, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  store { ptr, i64, i64 } %t173, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.2871, i64 87, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  store { ptr, i64, i64 } %t179, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a180
+  %t185 = call i64 @finch.gen.md(ptr %t82, { ptr, i64, i64 } %t184)
+  store { ptr, i64, i64 } %t184, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  call void @finch.drop.arr_str(ptr %a11)
+  call void @finch.drop.S_gen_FnSig(ptr %a10)
+  ret i64 %t185
 }
 
 define internal void @finch.gen.dbgVariable(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4) {
@@ -40744,57 +47326,79 @@ entry:
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca i64, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca i64, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -40802,212 +47406,258 @@ entry:
   store { ptr, i64, i64 } %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic4388, label %ok4389
-panic4388:
-  call void @finch_panic(ptr @.str.2785, i64 1908, ptr @.str.2786)
+  br i1 %t7, label %panic4608, label %ok4609
+panic4608:
+  call void @finch_panic(ptr @.str.2872, i64 2063, ptr @.str.2873)
   unreachable
-ok4389:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 28
+ok4609:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 29
   %t9 = load i1, ptr %t8
   %t10 = xor i1 %t9, true
-  br label %logic.from4390
-logic.from4390:
-  br i1 %t10, label %logic.end4392, label %logic.rhs4391
-logic.rhs4391:
+  br label %logic.from4610
+logic.from4610:
+  br i1 %t10, label %logic.end4612, label %logic.rhs4611
+logic.rhs4611:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic4393, label %ok4394
-panic4393:
-  call void @finch_panic(ptr @.str.2787, i64 1908, ptr @.str.2788)
+  br i1 %t12, label %panic4613, label %ok4614
+panic4613:
+  call void @finch_panic(ptr @.str.2874, i64 2063, ptr @.str.2875)
   unreachable
-ok4394:
-  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 34
+ok4614:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 35
   %t14 = load i64, ptr %t13
   %t15 = icmp slt i64 %t14, 0
-  br label %logic.rend4395
-logic.rend4395:
-  br label %logic.end4392
-logic.end4392:
-  %t16 = phi i1 [ true, %logic.from4390 ], [ %t15, %logic.rend4395 ]
-  br i1 %t16, label %then4396, label %endif4398
-then4396:
+  br label %logic.rend4615
+logic.rend4615:
+  br label %logic.end4612
+logic.end4612:
+  %t16 = phi i1 [ true, %logic.from4610 ], [ %t15, %logic.rend4615 ]
+  br i1 %t16, label %then4616, label %endif4618
+then4616:
   ret void
-endif4398:
+endif4618:
   %t17 = load ptr, ptr %a1
   %t18 = load %S.ast.Type, ptr %a4
   %t19 = call i64 @finch.gen.diType(ptr %t17, %S.ast.Type %t18)
   store i64 %t19, ptr %a20
   %t21 = load i64, ptr %a20
   %t22 = icmp slt i64 %t21, 0
-  br i1 %t22, label %then4399, label %endif4401
-then4399:
+  br i1 %t22, label %then4619, label %endif4621
+then4619:
   ret void
-endif4401:
-  store { ptr, i64, i64 } { ptr @.str.2789, i64 0, i64 0 }, ptr %a23
+endif4621:
+  store { ptr, i64, i64 } { ptr @.str.2876, i64 0, i64 0 }, ptr %a23
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic4402, label %ok4403
-panic4402:
-  call void @finch_panic(ptr @.str.2790, i64 1916, ptr @.str.2791)
+  br i1 %t25, label %panic4622, label %ok4623
+panic4622:
+  call void @finch_panic(ptr @.str.2877, i64 2071, ptr @.str.2878)
   unreachable
-ok4403:
-  %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 37
+ok4623:
+  %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 38
   %t27 = load i64, ptr %t26
   %t28 = icmp sgt i64 %t27, 0
-  br i1 %t28, label %then4404, label %endif4406
-then4404:
+  br i1 %t28, label %then4624, label %endif4626
+then4624:
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic4407, label %ok4408
-panic4407:
-  call void @finch_panic(ptr @.str.2793, i64 1917, ptr @.str.2794)
+  br i1 %t30, label %panic4627, label %ok4628
+panic4627:
+  call void @finch_panic(ptr @.str.2880, i64 2072, ptr @.str.2881)
   unreachable
-ok4408:
-  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 37
+ok4628:
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %t29, i32 0, i32 38
   %t32 = load i64, ptr %t31
   call void @finch_str_from_int(ptr %a33, i64 %t32)
   %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.2792, i64 7, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.2879, i64 7, i64 0 }, ptr %a36
   store { ptr, i64, i64 } %t34, ptr %a37
   call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a23
-  br label %endif4406
-endif4406:
-  %t39 = load ptr, ptr %a1
-  %t40 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.2795, i64 24, i64 0 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a46
-  store { ptr, i64, i64 } { ptr @.str.2796, i64 11, i64 0 }, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  %t49 = load ptr, ptr %a1
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic4409, label %ok4410
-panic4409:
-  call void @finch_panic(ptr @.str.2797, i64 1919, ptr @.str.2798)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  %t40 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t39, ptr %a23
+  store { ptr, i64, i64 } %t40, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  br label %endif4626
+endif4626:
+  %t42 = load ptr, ptr %a1
+  %t43 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.2882, i64 24, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t47, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.2883, i64 11, i64 0 }, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = load ptr, ptr %a1
+  %t54 = icmp eq ptr %t53, null
+  br i1 %t54, label %panic4629, label %ok4630
+panic4629:
+  call void @finch_panic(ptr @.str.2884, i64 2074, ptr @.str.2885)
   unreachable
-ok4410:
-  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 34
-  %t52 = load i64, ptr %t51
-  call void @finch_str_from_int(ptr %a53, i64 %t52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t48, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.2799, i64 9, i64 0 }, ptr %a61
+ok4630:
+  %t55 = getelementptr inbounds %S.gen.Gen, ptr %t53, i32 0, i32 35
+  %t56 = load i64, ptr %t55
+  call void @finch_str_from_int(ptr %a57, i64 %t56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t52, ptr %a60
+  store { ptr, i64, i64 } %t58, ptr %a61
   call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = load ptr, ptr %a1
-  %t64 = icmp eq ptr %t63, null
-  br i1 %t64, label %panic4411, label %ok4412
-panic4411:
-  call void @finch_panic(ptr @.str.2800, i64 1919, ptr @.str.2801)
+  store { ptr, i64, i64 } %t52, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  store { ptr, i64, i64 } %t58, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a59
+  store { ptr, i64, i64 } %t64, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.2886, i64 9, i64 0 }, ptr %a67
+  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a65
+  %t70 = load ptr, ptr %a1
+  %t71 = icmp eq ptr %t70, null
+  br i1 %t71, label %panic4631, label %ok4632
+panic4631:
+  call void @finch_panic(ptr @.str.2887, i64 2074, ptr @.str.2888)
   unreachable
-ok4412:
-  %t65 = getelementptr inbounds %S.gen.Gen, ptr %t63, i32 0, i32 33
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t67 = load i64, ptr %t66
-  %t68 = load { ptr, i64, i64 }, ptr %t65
-  %t69 = extractvalue { ptr, i64, i64 } %t68, 1
-  %t70 = icmp uge i64 %t67, %t69
-  br i1 %t70, label %range4413, label %inrange4414
-range4413:
-  call void @finch_panic_index(ptr @.str.2802, i64 1919, i64 %t67, i64 %t69)
+ok4632:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 34
+  %t73 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t74 = load i64, ptr %t73
+  %t75 = load { ptr, i64, i64 }, ptr %t72
+  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
+  %t77 = icmp uge i64 %t74, %t76
+  br i1 %t77, label %range4633, label %inrange4634
+range4633:
+  call void @finch_panic_index(ptr @.str.2889, i64 2074, i64 %t74, i64 %t76)
   unreachable
-inrange4414:
-  %t71 = extractvalue { ptr, i64, i64 } %t68, 0
-  %t72 = getelementptr inbounds i64, ptr %t71, i64 %t67
-  %t73 = load i64, ptr %t72
-  call void @finch_str_from_int(ptr %a74, i64 %t73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t62, ptr %a77
-  store { ptr, i64, i64 } %t75, ptr %a78
-  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.2803, i64 8, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  %t84 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t85 = load i64, ptr %t84
-  call void @finch_str_from_int(ptr %a86, i64 %t85)
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t83, ptr %a89
-  store { ptr, i64, i64 } %t87, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t91, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.2804, i64 9, i64 0 }, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  %t96 = load i64, ptr %a20
-  call void @finch_str_from_int(ptr %a97, i64 %t96)
-  %t98 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t95, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  %t103 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t102, ptr %a105
-  store { ptr, i64, i64 } %t103, ptr %a106
+inrange4634:
+  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
+  %t79 = getelementptr inbounds i64, ptr %t78, i64 %t74
+  %t80 = load i64, ptr %t79
+  call void @finch_str_from_int(ptr %a81, i64 %t80)
+  %t82 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t69, ptr %a84
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t69, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.2890, i64 8, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t95 = load i64, ptr %t94
+  call void @finch_str_from_int(ptr %a96, i64 %t95)
+  %t97 = load { ptr, i64, i64 }, ptr %a96
+  store { ptr, i64, i64 } %t93, ptr %a99
+  store { ptr, i64, i64 } %t97, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t93, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.2891, i64 9, i64 0 }, ptr %a106
   call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  store { ptr, i64, i64 } %t107, ptr %a109
-  store { ptr, i64, i64 } { ptr @.str.2805, i64 1, i64 0 }, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  %t112 = call i64 @finch.gen.md(ptr %t39, { ptr, i64, i64 } %t111)
-  store i64 %t112, ptr %a113
-  %t114 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t115 = load i64, ptr %t114
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic4415, label %ok4416
-panic4415:
-  call void @finch_panic(ptr @.str.2806, i64 1920, ptr @.str.2807)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load i64, ptr %a20
+  call void @finch_str_from_int(ptr %a110, i64 %t109)
+  %t111 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t108, ptr %a113
+  store { ptr, i64, i64 } %t111, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  store { ptr, i64, i64 } %t108, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  store { ptr, i64, i64 } %t111, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  %t117 = load { ptr, i64, i64 }, ptr %a112
+  %t118 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t117, ptr %a120
+  store { ptr, i64, i64 } %t118, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  store { ptr, i64, i64 } %t117, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } %t123, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.2892, i64 1, i64 0 }, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = call i64 @finch.gen.md(ptr %t42, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t128, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  store i64 %t129, ptr %a131
+  %t132 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t133 = load i64, ptr %t132
+  %t134 = load ptr, ptr %a1
+  %t135 = icmp eq ptr %t134, null
+  br i1 %t135, label %panic4635, label %ok4636
+panic4635:
+  call void @finch_panic(ptr @.str.2893, i64 2075, ptr @.str.2894)
   unreachable
-ok4416:
-  %t118 = getelementptr inbounds %S.gen.Gen, ptr %t116, i32 0, i32 35
-  store i64 %t115, ptr %t118
-  %t119 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t120 = load i64, ptr %t119
-  %t121 = load ptr, ptr %a1
-  %t122 = icmp eq ptr %t121, null
-  br i1 %t122, label %panic4417, label %ok4418
-panic4417:
-  call void @finch_panic(ptr @.str.2808, i64 1921, ptr @.str.2809)
+ok4636:
+  %t136 = getelementptr inbounds %S.gen.Gen, ptr %t134, i32 0, i32 36
+  store i64 %t133, ptr %t136
+  %t137 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t138 = load i64, ptr %t137
+  %t139 = load ptr, ptr %a1
+  %t140 = icmp eq ptr %t139, null
+  br i1 %t140, label %panic4637, label %ok4638
+panic4637:
+  call void @finch_panic(ptr @.str.2895, i64 2076, ptr @.str.2896)
   unreachable
-ok4418:
-  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 36
-  store i64 %t120, ptr %t123
-  %t124 = load ptr, ptr %a1
-  %t125 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.2810, i64 41, i64 0 }, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t129, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.2811, i64 12, i64 0 }, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  %t134 = load i64, ptr %a113
-  call void @finch_str_from_int(ptr %a135, i64 %t134)
-  %t136 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t133, ptr %a138
-  store { ptr, i64, i64 } %t136, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t140, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.2812, i64 27, i64 0 }, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  call void @finch.gen.emit(ptr %t124, { ptr, i64, i64 } %t144)
+ok4638:
+  %t141 = getelementptr inbounds %S.gen.Gen, ptr %t139, i32 0, i32 37
+  store i64 %t138, ptr %t141
+  %t142 = load ptr, ptr %a1
+  %t143 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.2897, i64 41, i64 0 }, ptr %a145
+  store { ptr, i64, i64 } %t143, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a144
+  store { ptr, i64, i64 } %t147, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.2898, i64 12, i64 0 }, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
+  store { ptr, i64, i64 } %t147, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  %t153 = load i64, ptr %a131
+  call void @finch_str_from_int(ptr %a154, i64 %t153)
+  %t155 = load { ptr, i64, i64 }, ptr %a154
+  store { ptr, i64, i64 } %t152, ptr %a157
+  store { ptr, i64, i64 } %t155, ptr %a158
+  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
+  store { ptr, i64, i64 } %t152, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  store { ptr, i64, i64 } %t155, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a156
+  store { ptr, i64, i64 } %t161, ptr %a163
+  store { ptr, i64, i64 } { ptr @.str.2899, i64 27, i64 0 }, ptr %a164
+  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
+  store { ptr, i64, i64 } %t161, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = load { ptr, i64, i64 }, ptr %a162
+  call void @finch.gen.emit(ptr %t142, { ptr, i64, i64 } %t166)
+  store { ptr, i64, i64 } %t166, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  call void @finch_str_drop(ptr %a23)
   ret void
 }
 
@@ -41020,104 +47670,170 @@ entry:
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = mul i64 2, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.2813, i64 20, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.2900, i64 20, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.2814, i64 30, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.2901, i64 30, i64 0 }, ptr %t5
   %t6 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t7 = insertvalue { ptr, i64, i64 } %t6, i64 2, 1
   %t8 = insertvalue { ptr, i64, i64 } %t7, i64 2, 2
   store { ptr, i64, i64 } %t8, ptr %a9
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic4419, label %ok4420
-panic4419:
-  call void @finch_panic(ptr @.str.2815, i64 1928, ptr @.str.2816)
+  br i1 %t11, label %panic4639, label %ok4640
+panic4639:
+  call void @finch_panic(ptr @.str.2902, i64 2083, ptr @.str.2903)
   unreachable
-ok4420:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 31
+ok4640:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 32
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   store i64 0, ptr %a15
-  br label %for.cond4421
-for.cond4421:
+  br label %for.cond4641
+for.cond4641:
   %t16 = load i64, ptr %a15
   %t17 = icmp slt i64 %t16, %t14
-  br i1 %t17, label %for.body4422, label %for.end4424
-for.body4422:
+  br i1 %t17, label %for.body4642, label %for.end4644
+for.body4642:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t19 = load i64, ptr %a15
   call void @finch_str_from_int(ptr %a20, i64 %t19)
   %t21 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.2817, i64 1, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.2904, i64 1, i64 0 }, ptr %a23
   store { ptr, i64, i64 } %t21, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2818, i64 3, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic4425, label %ok4426
-panic4425:
-  call void @finch_panic(ptr @.str.2819, i64 1929, ptr @.str.2820)
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.2905, i64 3, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load ptr, ptr %a1
+  %t33 = icmp eq ptr %t32, null
+  br i1 %t33, label %panic4645, label %ok4646
+panic4645:
+  call void @finch_panic(ptr @.str.2906, i64 2084, ptr @.str.2907)
   unreachable
-ok4426:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 31
-  %t33 = load i64, ptr %a15
-  %t34 = load { ptr, i64, i64 }, ptr %t32
-  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
-  %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range4427, label %inrange4428
-range4427:
-  call void @finch_panic_index(ptr @.str.2821, i64 1929, i64 %t33, i64 %t35)
+ok4646:
+  %t34 = getelementptr inbounds %S.gen.Gen, ptr %t32, i32 0, i32 32
+  %t35 = load i64, ptr %a15
+  %t36 = load { ptr, i64, i64 }, ptr %t34
+  %t37 = extractvalue { ptr, i64, i64 } %t36, 1
+  %t38 = icmp uge i64 %t35, %t37
+  br i1 %t38, label %range4647, label %inrange4648
+range4647:
+  call void @finch_panic_index(ptr @.str.2908, i64 2084, i64 %t35, i64 %t37)
   unreachable
-inrange4428:
-  %t37 = extractvalue { ptr, i64, i64 } %t34, 0
-  %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t33
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  store { ptr, i64, i64 } %t29, ptr %a41
-  store { ptr, i64, i64 } %t39, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  %t44 = load i64, ptr %t18
-  %t45 = add i64 %t44, 1
-  call void @finch_arr_reserve(ptr %a9, i64 %t45, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t46 = load ptr, ptr %a9
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t44
-  store { ptr, i64, i64 } %t43, ptr %t47
-  store i64 %t45, ptr %t18
-  br label %for.step4423
-for.step4423:
-  %t48 = load i64, ptr %a15
-  %t49 = add i64 %t48, 1
-  store i64 %t49, ptr %a15
-  br label %for.cond4421
-for.end4424:
-  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2822, i64 1, i64 0 }, ptr %a51
-  call void @finch_str_join(ptr %a52, ptr %a9, ptr %a51)
-  %t53 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t53, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.2823, i64 1, i64 0 }, ptr %a56
-  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  ret { ptr, i64, i64 } %t57
+inrange4648:
+  %t39 = extractvalue { ptr, i64, i64 } %t36, 0
+  %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t39, i64 %t35
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t31, ptr %a43
+  store { ptr, i64, i64 } %t41, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  store { ptr, i64, i64 } %t31, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = load i64, ptr %t18
+  %t48 = add i64 %t47, 1
+  call void @finch_arr_reserve(ptr %a9, i64 %t48, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t49 = load ptr, ptr %a9
+  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t47
+  store { ptr, i64, i64 } %t46, ptr %t50
+  store i64 %t48, ptr %t18
+  br label %for.step4643
+for.step4643:
+  %t51 = load i64, ptr %a15
+  %t52 = add i64 %t51, 1
+  store i64 %t52, ptr %a15
+  br label %for.cond4641
+for.end4644:
+  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.2909, i64 1, i64 0 }, ptr %a54
+  call void @finch_str_join(ptr %a55, ptr %a9, ptr %a54)
+  %t56 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t56, ptr %a58
+  store { ptr, i64, i64 } { ptr @.str.2910, i64 1, i64 0 }, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.drop.arr_str(ptr %a9)
+  ret { ptr, i64, i64 } %t61
+}
+
+define internal void @finch.copy.arr_S_gen_Var(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond4720
+n.cond4720:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body4721, label %n.end4722
+n.body4721:
+  %t8 = getelementptr inbounds %S.gen.Var, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.gen.Var, ptr %t2, i64 %t6
+  call void @finch.copy.S_gen_Var(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond4720
+n.end4722:
+  ret void
+}
+
+define internal void @finch.copy.arr_S_gen_Cleanup(ptr %dst, ptr %src) {
+entry:
+
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Cleanup, ptr null, i32 1) to i64))
+  ret void
+}
+
+define internal void @finch.copy.S_gen_Scope(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.gen.Scope, ptr %src
+  store %S.gen.Scope %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 0
+  call void @finch.copy.arr_S_gen_Var(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 1
+  call void @finch.copy.arr_S_ast_Node(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 2
+  call void @finch.copy.arr_int(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.Scope, ptr %dst, i32 0, i32 3
+  %t9 = getelementptr inbounds %S.gen.Scope, ptr %src, i32 0, i32 3
+  call void @finch.copy.arr_S_gen_Cleanup(ptr %t8, ptr %t9)
+  ret void
 }
 
 define internal void @finch.copy.arr_S_gen_Scope(ptr %dst, ptr %src) {
@@ -41129,20 +47845,44 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond4497
-n.cond4497:
+  br label %n.cond4717
+n.cond4717:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body4498, label %n.end4499
-n.body4498:
+  br i1 %t7, label %n.body4718, label %n.end4719
+n.body4718:
   %t8 = getelementptr inbounds %S.gen.Scope, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.gen.Scope, ptr %t2, i64 %t6
   call void @finch.copy.S_gen_Scope(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond4497
-n.end4499:
+  br label %n.cond4717
+n.end4719:
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Scope(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond4723
+n.cond4723:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body4724, label %n.end4725
+n.body4724:
+  %t7 = getelementptr inbounds %S.gen.Scope, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Scope(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond4723
+n.end4725:
+  call void @finch_arr_free(ptr %a)
   ret void
 }
 
@@ -41152,1067 +47892,1245 @@ entry:
   %a2 = alloca i64, align 16
   %a16 = alloca %S.gen.FnSig, align 16
   %a17 = alloca %S.gen.FnSig, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca %S.ast.Node, align 16
-  %a104 = alloca %S.ast.Node, align 16
-  %a106 = alloca %S.ast.Node, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.gen.FnSig, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca %S.ast.Node, align 16
+  %a117 = alloca %S.ast.Node, align 16
+  %a119 = alloca %S.ast.Node, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca i64, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca i64, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca %S.ast.Type, align 16
-  %a226 = alloca %S.ast.Type, align 16
-  %a227 = alloca %S.ast.Type, align 16
-  %a249 = alloca i64, align 16
-  %a263 = alloca %S.ast.Type, align 16
-  %a264 = alloca %S.ast.Type, align 16
-  %a266 = alloca %S.ast.Type, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca %S.ast.Type, align 16
+  %a247 = alloca %S.ast.Type, align 16
+  %a248 = alloca %S.ast.Type, align 16
+  %a270 = alloca i64, align 16
+  %a284 = alloca %S.ast.Type, align 16
+  %a285 = alloca %S.ast.Type, align 16
+  %a287 = alloca %S.ast.Type, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
   %a427 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
   %a438 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a450 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
   %a453 = alloca { ptr, i64, i64 }, align 16
-  %a454 = alloca { ptr, i64, i64 }, align 16
   %a455 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a458 = alloca { ptr, i64, i64 }, align 16
-  %a459 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
-  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
   %a471 = alloca { ptr, i64, i64 }, align 16
   %a472 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
   %a475 = alloca { ptr, i64, i64 }, align 16
   %a476 = alloca { ptr, i64, i64 }, align 16
-  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
   %a479 = alloca { ptr, i64, i64 }, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
   %a489 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a502 = alloca { ptr, i64, i64 }, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
-  %a504 = alloca { ptr, i64, i64 }, align 16
-  %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
   %a514 = alloca { ptr, i64, i64 }, align 16
   %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a521 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
   %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a525 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a530 = alloca { ptr, i64, i64 }, align 16
+  %a533 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a543 = alloca { ptr, i64, i64 }, align 16
+  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
+  %a568 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a590 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4429, label %ok4430
-panic4429:
-  call void @finch_panic(ptr @.str.2824, i64 1935, ptr @.str.2825)
+  br i1 %t4, label %panic4649, label %ok4650
+panic4649:
+  call void @finch_panic(ptr @.str.2911, i64 2090, ptr @.str.2912)
   unreachable
-ok4430:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 14
+ok4650:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 15
   %t6 = load i64, ptr %a2
   %t7 = load { ptr, i64, i64 }, ptr %t5
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 %t6, %t8
-  br i1 %t9, label %range4431, label %inrange4432
-range4431:
-  call void @finch_panic_index(ptr @.str.2826, i64 1935, i64 %t6, i64 %t8)
+  br i1 %t9, label %range4651, label %inrange4652
+range4651:
+  call void @finch_panic_index(ptr @.str.2913, i64 2090, i64 %t6, i64 %t8)
   unreachable
-inrange4432:
+inrange4652:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.gen.FnSig, ptr %t10, i64 %t6
   %t12 = load %S.gen.FnSig, ptr %t11
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic4433, label %ok4434
-panic4433:
-  call void @finch_panic(ptr @.str.2827, i64 1935, ptr @.str.2828)
+  br i1 %t14, label %panic4653, label %ok4654
+panic4653:
+  call void @finch_panic(ptr @.str.2914, i64 2090, ptr @.str.2915)
   unreachable
-ok4434:
-  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 12
+ok4654:
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 13
   store %S.gen.FnSig %t12, ptr %a16
   call void @finch.copy.S_gen_FnSig(ptr %a17, ptr %a16)
   %t18 = load %S.gen.FnSig, ptr %a17
+  %t19 = load %S.gen.FnSig, ptr %t15
   store %S.gen.FnSig %t18, ptr %t15
-  %t19 = load ptr, ptr %a1
-  %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic4435, label %ok4436
-panic4435:
-  call void @finch_panic(ptr @.str.2829, i64 1936, ptr @.str.2830)
+  store %S.gen.FnSig %t19, ptr %a20
+  call void @finch.drop.S_gen_FnSig(ptr %a20)
+  %t21 = load ptr, ptr %a1
+  %t22 = icmp eq ptr %t21, null
+  br i1 %t22, label %panic4655, label %ok4656
+panic4655:
+  call void @finch_panic(ptr @.str.2916, i64 2091, ptr @.str.2917)
   unreachable
-ok4436:
-  %t21 = getelementptr inbounds %S.gen.Gen, ptr %t19, i32 0, i32 12
-  %t22 = getelementptr inbounds %S.gen.FnSig, ptr %t21, i32 0, i32 0
-  %t23 = load { ptr, i64, i64 }, ptr %t22
-  %t24 = load ptr, ptr %a1
-  %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic4437, label %ok4438
-panic4437:
-  call void @finch_panic(ptr @.str.2831, i64 1936, ptr @.str.2832)
+ok4656:
+  %t23 = getelementptr inbounds %S.gen.Gen, ptr %t21, i32 0, i32 13
+  %t24 = getelementptr inbounds %S.gen.FnSig, ptr %t23, i32 0, i32 0
+  %t25 = load { ptr, i64, i64 }, ptr %t24
+  %t26 = load ptr, ptr %a1
+  %t27 = icmp eq ptr %t26, null
+  br i1 %t27, label %panic4657, label %ok4658
+panic4657:
+  call void @finch_panic(ptr @.str.2918, i64 2091, ptr @.str.2919)
   unreachable
-ok4438:
-  %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 13
-  store { ptr, i64, i64 } %t23, ptr %a27
-  call void @finch_str_copy(ptr %a28, ptr %a27)
-  %t29 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t29, ptr %t26
-  %t30 = load ptr, ptr %a1
-  %t31 = icmp eq ptr %t30, null
-  br i1 %t31, label %panic4439, label %ok4440
-panic4439:
-  call void @finch_panic(ptr @.str.2833, i64 1937, ptr @.str.2834)
+ok4658:
+  %t28 = getelementptr inbounds %S.gen.Gen, ptr %t26, i32 0, i32 14
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_copy(ptr %a30, ptr %a29)
+  %t31 = load { ptr, i64, i64 }, ptr %a30
+  %t32 = load { ptr, i64, i64 }, ptr %t28
+  store { ptr, i64, i64 } %t31, ptr %t28
+  store { ptr, i64, i64 } %t32, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load ptr, ptr %a1
+  %t35 = icmp eq ptr %t34, null
+  br i1 %t35, label %panic4659, label %ok4660
+panic4659:
+  call void @finch_panic(ptr @.str.2920, i64 2092, ptr @.str.2921)
   unreachable
-ok4440:
-  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 12
-  %t33 = getelementptr inbounds %S.gen.FnSig, ptr %t32, i32 0, i32 6
-  %t34 = load { ptr, i64, i64 }, ptr %t33
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic4441, label %ok4442
-panic4441:
-  call void @finch_panic(ptr @.str.2835, i64 1937, ptr @.str.2836)
+ok4660:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 13
+  %t37 = getelementptr inbounds %S.gen.FnSig, ptr %t36, i32 0, i32 6
+  %t38 = load { ptr, i64, i64 }, ptr %t37
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic4661, label %ok4662
+panic4661:
+  call void @finch_panic(ptr @.str.2922, i64 2092, ptr @.str.2923)
   unreachable
-ok4442:
-  %t37 = getelementptr inbounds %S.gen.Gen, ptr %t35, i32 0, i32 17
-  store { ptr, i64, i64 } %t34, ptr %a38
-  call void @finch.copy.arr_str(ptr %a39, ptr %a38)
-  %t40 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t40, ptr %t37
-  %t41 = load ptr, ptr %a1
-  %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic4443, label %ok4444
-panic4443:
-  call void @finch_panic(ptr @.str.2837, i64 1938, ptr @.str.2838)
+ok4662:
+  %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 18
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch.copy.arr_str(ptr %a43, ptr %a42)
+  %t44 = load { ptr, i64, i64 }, ptr %a43
+  %t45 = load { ptr, i64, i64 }, ptr %t41
+  store { ptr, i64, i64 } %t44, ptr %t41
+  store { ptr, i64, i64 } %t45, ptr %a46
+  call void @finch.drop.arr_str(ptr %a46)
+  %t47 = load ptr, ptr %a1
+  %t48 = icmp eq ptr %t47, null
+  br i1 %t48, label %panic4663, label %ok4664
+panic4663:
+  call void @finch_panic(ptr @.str.2924, i64 2093, ptr @.str.2925)
   unreachable
-ok4444:
-  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 12
-  %t44 = getelementptr inbounds %S.gen.FnSig, ptr %t43, i32 0, i32 7
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = load ptr, ptr %a1
-  %t47 = icmp eq ptr %t46, null
-  br i1 %t47, label %panic4445, label %ok4446
-panic4445:
-  call void @finch_panic(ptr @.str.2839, i64 1938, ptr @.str.2840)
-  unreachable
-ok4446:
-  %t48 = getelementptr inbounds %S.gen.Gen, ptr %t46, i32 0, i32 18
-  store { ptr, i64, i64 } %t45, ptr %a49
-  call void @finch.copy.arr_S_ast_Type(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t51, ptr %t48
+ok4664:
+  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 13
+  %t50 = getelementptr inbounds %S.gen.FnSig, ptr %t49, i32 0, i32 7
+  %t51 = load { ptr, i64, i64 }, ptr %t50
   %t52 = load ptr, ptr %a1
   %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic4447, label %ok4448
-panic4447:
-  call void @finch_panic(ptr @.str.2842, i64 1939, ptr @.str.2843)
+  br i1 %t53, label %panic4665, label %ok4666
+panic4665:
+  call void @finch_panic(ptr @.str.2926, i64 2093, ptr @.str.2927)
   unreachable
-ok4448:
+ok4666:
   %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 19
-  store { ptr, i64, i64 } { ptr @.str.2841, i64 0, i64 0 }, ptr %t54
-  %t55 = load ptr, ptr %a1
-  %t56 = icmp eq ptr %t55, null
-  br i1 %t56, label %panic4449, label %ok4450
-panic4449:
-  call void @finch_panic(ptr @.str.2844, i64 1940, ptr @.str.2845)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch.copy.arr_S_ast_Type(ptr %a56, ptr %a55)
+  %t57 = load { ptr, i64, i64 }, ptr %a56
+  %t58 = load { ptr, i64, i64 }, ptr %t54
+  store { ptr, i64, i64 } %t57, ptr %t54
+  store { ptr, i64, i64 } %t58, ptr %a59
+  call void @finch.drop.arr_S_ast_Type(ptr %a59)
+  %t60 = load ptr, ptr %a1
+  %t61 = icmp eq ptr %t60, null
+  br i1 %t61, label %panic4667, label %ok4668
+panic4667:
+  call void @finch_panic(ptr @.str.2929, i64 2094, ptr @.str.2930)
   unreachable
-ok4450:
-  %t57 = getelementptr inbounds %S.gen.Gen, ptr %t55, i32 0, i32 12
-  %t58 = getelementptr inbounds %S.gen.FnSig, ptr %t57, i32 0, i32 7
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i32 0, i32 1
-  %t60 = load i64, ptr %t59
-  %t61 = icmp sgt i64 %t60, 0
-  br i1 %t61, label %then4451, label %endif4453
-then4451:
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic4454, label %ok4455
-panic4454:
-  call void @finch_panic(ptr @.str.2847, i64 1941, ptr @.str.2848)
+ok4668:
+  %t62 = getelementptr inbounds %S.gen.Gen, ptr %t60, i32 0, i32 20
+  %t63 = load { ptr, i64, i64 }, ptr %t62
+  store { ptr, i64, i64 } { ptr @.str.2928, i64 0, i64 0 }, ptr %t62
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic4669, label %ok4670
+panic4669:
+  call void @finch_panic(ptr @.str.2931, i64 2095, ptr @.str.2932)
   unreachable
-ok4455:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 12
-  %t65 = getelementptr inbounds %S.gen.FnSig, ptr %t64, i32 0, i32 8
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } { ptr @.str.2846, i64 17, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.2849, i64 1, i64 0 }, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = load ptr, ptr %a1
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic4456, label %ok4457
-panic4456:
-  call void @finch_panic(ptr @.str.2850, i64 1941, ptr @.str.2851)
+ok4670:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 13
+  %t68 = getelementptr inbounds %S.gen.FnSig, ptr %t67, i32 0, i32 7
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t68, i32 0, i32 1
+  %t70 = load i64, ptr %t69
+  %t71 = icmp sgt i64 %t70, 0
+  br i1 %t71, label %then4671, label %endif4673
+then4671:
+  %t72 = load ptr, ptr %a1
+  %t73 = icmp eq ptr %t72, null
+  br i1 %t73, label %panic4674, label %ok4675
+panic4674:
+  call void @finch_panic(ptr @.str.2934, i64 2096, ptr @.str.2935)
   unreachable
-ok4457:
-  %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 19
-  store { ptr, i64, i64 } %t74, ptr %t77
-  br label %endif4453
-endif4453:
-  %t78 = load ptr, ptr %a1
-  %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic4458, label %ok4459
-panic4458:
-  call void @finch_panic(ptr @.str.2852, i64 1943, ptr @.str.2853)
+ok4675:
+  %t74 = getelementptr inbounds %S.gen.Gen, ptr %t72, i32 0, i32 13
+  %t75 = getelementptr inbounds %S.gen.FnSig, ptr %t74, i32 0, i32 8
+  %t76 = load { ptr, i64, i64 }, ptr %t75
+  store { ptr, i64, i64 } { ptr @.str.2933, i64 17, i64 0 }, ptr %a78
+  store { ptr, i64, i64 } %t76, ptr %a79
+  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a77
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.2936, i64 1, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic4676, label %ok4677
+panic4676:
+  call void @finch_panic(ptr @.str.2937, i64 2096, ptr @.str.2938)
   unreachable
-ok4459:
-  %t80 = getelementptr inbounds %S.gen.Gen, ptr %t78, i32 0, i32 0
-  %t81 = load ptr, ptr %a1
-  %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic4460, label %ok4461
-panic4460:
-  call void @finch_panic(ptr @.str.2854, i64 1943, ptr @.str.2855)
+ok4677:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 20
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t85, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  br label %endif4673
+endif4673:
+  %t91 = load ptr, ptr %a1
+  %t92 = icmp eq ptr %t91, null
+  br i1 %t92, label %panic4678, label %ok4679
+panic4678:
+  call void @finch_panic(ptr @.str.2939, i64 2098, ptr @.str.2940)
   unreachable
-ok4461:
-  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 12
-  %t84 = getelementptr inbounds %S.gen.FnSig, ptr %t83, i32 0, i32 16
-  %t85 = load i64, ptr %t84
-  %t86 = load { ptr, i64, i64 }, ptr %t80
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 %t85, %t87
-  br i1 %t88, label %range4462, label %inrange4463
-range4462:
-  call void @finch_panic_index(ptr @.str.2856, i64 1943, i64 %t85, i64 %t87)
+ok4679:
+  %t93 = getelementptr inbounds %S.gen.Gen, ptr %t91, i32 0, i32 0
+  %t94 = load ptr, ptr %a1
+  %t95 = icmp eq ptr %t94, null
+  br i1 %t95, label %panic4680, label %ok4681
+panic4680:
+  call void @finch_panic(ptr @.str.2941, i64 2098, ptr @.str.2942)
   unreachable
-inrange4463:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Program, ptr %t89, i64 %t85
-  %t91 = getelementptr inbounds %S.ast.Program, ptr %t90, i32 0, i32 8
-  %t92 = load ptr, ptr %a1
-  %t93 = icmp eq ptr %t92, null
-  br i1 %t93, label %panic4464, label %ok4465
-panic4464:
-  call void @finch_panic(ptr @.str.2857, i64 1943, ptr @.str.2858)
+ok4681:
+  %t96 = getelementptr inbounds %S.gen.Gen, ptr %t94, i32 0, i32 13
+  %t97 = getelementptr inbounds %S.gen.FnSig, ptr %t96, i32 0, i32 16
+  %t98 = load i64, ptr %t97
+  %t99 = load { ptr, i64, i64 }, ptr %t93
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 %t98, %t100
+  br i1 %t101, label %range4682, label %inrange4683
+range4682:
+  call void @finch_panic_index(ptr @.str.2943, i64 2098, i64 %t98, i64 %t100)
   unreachable
-ok4465:
-  %t94 = getelementptr inbounds %S.gen.Gen, ptr %t92, i32 0, i32 12
-  %t95 = getelementptr inbounds %S.gen.FnSig, ptr %t94, i32 0, i32 17
-  %t96 = load i64, ptr %t95
-  %t97 = load { ptr, i64, i64 }, ptr %t91
-  %t98 = extractvalue { ptr, i64, i64 } %t97, 1
-  %t99 = icmp uge i64 %t96, %t98
-  br i1 %t99, label %range4466, label %inrange4467
-range4466:
-  call void @finch_panic_index(ptr @.str.2859, i64 1943, i64 %t96, i64 %t98)
+inrange4683:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds %S.ast.Program, ptr %t102, i64 %t98
+  %t104 = getelementptr inbounds %S.ast.Program, ptr %t103, i32 0, i32 8
+  %t105 = load ptr, ptr %a1
+  %t106 = icmp eq ptr %t105, null
+  br i1 %t106, label %panic4684, label %ok4685
+panic4684:
+  call void @finch_panic(ptr @.str.2944, i64 2098, ptr @.str.2945)
   unreachable
-inrange4467:
-  %t100 = extractvalue { ptr, i64, i64 } %t97, 0
-  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 %t96
-  %t102 = load %S.ast.Node, ptr %t101
-  store %S.ast.Node %t102, ptr %a103
-  call void @finch.copy.S_ast_Node(ptr %a104, ptr %a103)
-  %t105 = load %S.ast.Node, ptr %a104
-  store %S.ast.Node %t105, ptr %a106
-  store { ptr, i64, i64 } zeroinitializer, ptr %a107
-  %t108 = load { ptr, i64, i64 }, ptr %a107
-  %t109 = load ptr, ptr %a1
-  %t110 = icmp eq ptr %t109, null
-  br i1 %t110, label %panic4468, label %ok4469
-panic4468:
-  call void @finch_panic(ptr @.str.2860, i64 1945, ptr @.str.2861)
+ok4685:
+  %t107 = getelementptr inbounds %S.gen.Gen, ptr %t105, i32 0, i32 13
+  %t108 = getelementptr inbounds %S.gen.FnSig, ptr %t107, i32 0, i32 17
+  %t109 = load i64, ptr %t108
+  %t110 = load { ptr, i64, i64 }, ptr %t104
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 %t109, %t111
+  br i1 %t112, label %range4686, label %inrange4687
+range4686:
+  call void @finch_panic_index(ptr @.str.2946, i64 2098, i64 %t109, i64 %t111)
   unreachable
-ok4469:
-  %t111 = getelementptr inbounds %S.gen.Gen, ptr %t109, i32 0, i32 4
-  store { ptr, i64, i64 } %t108, ptr %a112
-  call void @finch.copy.arr_str(ptr %a113, ptr %a112)
-  %t114 = load { ptr, i64, i64 }, ptr %a113
-  store { ptr, i64, i64 } %t114, ptr %t111
-  %t115 = load { ptr, i64, i64 }, ptr %a107
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic4470, label %ok4471
-panic4470:
-  call void @finch_panic(ptr @.str.2862, i64 1946, ptr @.str.2863)
-  unreachable
-ok4471:
-  %t118 = getelementptr inbounds %S.gen.Gen, ptr %t116, i32 0, i32 5
-  store { ptr, i64, i64 } %t115, ptr %a119
-  call void @finch.copy.arr_str(ptr %a120, ptr %a119)
+inrange4687:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds %S.ast.Node, ptr %t113, i64 %t109
+  %t115 = load %S.ast.Node, ptr %t114
+  store %S.ast.Node %t115, ptr %a116
+  call void @finch.copy.S_ast_Node(ptr %a117, ptr %a116)
+  %t118 = load %S.ast.Node, ptr %a117
+  store %S.ast.Node %t118, ptr %a119
+  store { ptr, i64, i64 } zeroinitializer, ptr %a120
   %t121 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t121, ptr %t118
   %t122 = load ptr, ptr %a1
   %t123 = icmp eq ptr %t122, null
-  br i1 %t123, label %panic4472, label %ok4473
-panic4472:
-  call void @finch_panic(ptr @.str.2864, i64 1947, ptr @.str.2865)
+  br i1 %t123, label %panic4688, label %ok4689
+panic4688:
+  call void @finch_panic(ptr @.str.2947, i64 2100, ptr @.str.2948)
   unreachable
-ok4473:
-  %t124 = getelementptr inbounds %S.gen.Gen, ptr %t122, i32 0, i32 6
-  store i64 0, ptr %t124
-  %t125 = load ptr, ptr %a1
-  %t126 = icmp eq ptr %t125, null
-  br i1 %t126, label %panic4474, label %ok4475
-panic4474:
-  call void @finch_panic(ptr @.str.2866, i64 1948, ptr @.str.2867)
-  unreachable
-ok4475:
-  %t127 = getelementptr inbounds %S.gen.Gen, ptr %t125, i32 0, i32 9
-  store i1 false, ptr %t127
-  %t128 = load ptr, ptr %a1
-  %t129 = icmp eq ptr %t128, null
-  br i1 %t129, label %panic4476, label %ok4477
-panic4476:
-  call void @finch_panic(ptr @.str.2868, i64 1949, ptr @.str.2869)
-  unreachable
-ok4477:
-  %t130 = getelementptr inbounds %S.gen.Gen, ptr %t128, i32 0, i32 23
-  store i64 0, ptr %t130
+ok4689:
+  %t124 = getelementptr inbounds %S.gen.Gen, ptr %t122, i32 0, i32 4
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch.copy.arr_str(ptr %a126, ptr %a125)
+  %t127 = load { ptr, i64, i64 }, ptr %a126
+  %t128 = load { ptr, i64, i64 }, ptr %t124
+  store { ptr, i64, i64 } %t127, ptr %t124
+  store { ptr, i64, i64 } %t128, ptr %a129
+  call void @finch.drop.arr_str(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a120
   %t131 = load ptr, ptr %a1
   %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic4478, label %ok4479
-panic4478:
-  call void @finch_panic(ptr @.str.2870, i64 1950, ptr @.str.2871)
+  br i1 %t132, label %panic4690, label %ok4691
+panic4690:
+  call void @finch_panic(ptr @.str.2949, i64 2101, ptr @.str.2950)
   unreachable
-ok4479:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 34
-  store i64 -1, ptr %t133
-  store i64 -1, ptr %a134
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic4480, label %ok4481
-panic4480:
-  call void @finch_panic(ptr @.str.2872, i64 1952, ptr @.str.2873)
-  unreachable
-ok4481:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 28
-  %t138 = load i1, ptr %t137
-  br i1 %t138, label %then4482, label %endif4484
-then4482:
+ok4691:
+  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 5
+  store { ptr, i64, i64 } %t130, ptr %a134
+  call void @finch.copy.arr_str(ptr %a135, ptr %a134)
+  %t136 = load { ptr, i64, i64 }, ptr %a135
+  %t137 = load { ptr, i64, i64 }, ptr %t133
+  store { ptr, i64, i64 } %t136, ptr %t133
+  store { ptr, i64, i64 } %t137, ptr %a138
+  call void @finch.drop.arr_str(ptr %a138)
   %t139 = load ptr, ptr %a1
-  %t140 = load %S.ast.Node, ptr %a106
-  %t141 = call i64 @finch.gen.dbgSubprogram(ptr %t139, %S.ast.Node %t140)
-  store i64 %t141, ptr %a134
-  %t142 = load i64, ptr %a134
-  %t143 = load ptr, ptr %a1
-  %t144 = icmp eq ptr %t143, null
-  br i1 %t144, label %panic4485, label %ok4486
-panic4485:
-  call void @finch_panic(ptr @.str.2874, i64 1954, ptr @.str.2875)
+  %t140 = icmp eq ptr %t139, null
+  br i1 %t140, label %panic4692, label %ok4693
+panic4692:
+  call void @finch_panic(ptr @.str.2951, i64 2102, ptr @.str.2952)
   unreachable
-ok4486:
-  %t145 = getelementptr inbounds %S.gen.Gen, ptr %t143, i32 0, i32 34
-  store i64 %t142, ptr %t145
-  %t146 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 11
-  %t147 = load i64, ptr %t146
+ok4693:
+  %t141 = getelementptr inbounds %S.gen.Gen, ptr %t139, i32 0, i32 6
+  store i64 0, ptr %t141
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic4694, label %ok4695
+panic4694:
+  call void @finch_panic(ptr @.str.2953, i64 2103, ptr @.str.2954)
+  unreachable
+ok4695:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 9
+  store i1 false, ptr %t144
+  %t145 = load ptr, ptr %a1
+  %t146 = icmp eq ptr %t145, null
+  br i1 %t146, label %panic4696, label %ok4697
+panic4696:
+  call void @finch_panic(ptr @.str.2955, i64 2104, ptr @.str.2956)
+  unreachable
+ok4697:
+  %t147 = getelementptr inbounds %S.gen.Gen, ptr %t145, i32 0, i32 24
+  store i64 0, ptr %t147
   %t148 = load ptr, ptr %a1
   %t149 = icmp eq ptr %t148, null
-  br i1 %t149, label %panic4487, label %ok4488
-panic4487:
-  call void @finch_panic(ptr @.str.2876, i64 1955, ptr @.str.2877)
+  br i1 %t149, label %panic4698, label %ok4699
+panic4698:
+  call void @finch_panic(ptr @.str.2957, i64 2105, ptr @.str.2958)
   unreachable
-ok4488:
+ok4699:
   %t150 = getelementptr inbounds %S.gen.Gen, ptr %t148, i32 0, i32 35
-  store i64 %t147, ptr %t150
-  %t151 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 12
-  %t152 = load i64, ptr %t151
-  %t153 = load ptr, ptr %a1
-  %t154 = icmp eq ptr %t153, null
-  br i1 %t154, label %panic4489, label %ok4490
-panic4489:
-  call void @finch_panic(ptr @.str.2878, i64 1956, ptr @.str.2879)
+  store i64 -1, ptr %t150
+  store i64 -1, ptr %a151
+  %t152 = load ptr, ptr %a1
+  %t153 = icmp eq ptr %t152, null
+  br i1 %t153, label %panic4700, label %ok4701
+panic4700:
+  call void @finch_panic(ptr @.str.2959, i64 2107, ptr @.str.2960)
   unreachable
-ok4490:
-  %t155 = getelementptr inbounds %S.gen.Gen, ptr %t153, i32 0, i32 36
-  store i64 %t152, ptr %t155
-  br label %endif4484
-endif4484:
+ok4701:
+  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 29
+  %t155 = load i1, ptr %t154
+  br i1 %t155, label %then4702, label %endif4704
+then4702:
   %t156 = load ptr, ptr %a1
-  %t157 = icmp eq ptr %t156, null
-  br i1 %t157, label %panic4491, label %ok4492
-panic4491:
-  call void @finch_panic(ptr @.str.2880, i64 1958, ptr @.str.2881)
+  %t157 = load %S.ast.Node, ptr %a119
+  %t158 = call i64 @finch.gen.dbgSubprogram(ptr %t156, %S.ast.Node %t157)
+  store i64 %t158, ptr %a151
+  %t159 = load i64, ptr %a151
+  %t160 = load ptr, ptr %a1
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic4705, label %ok4706
+panic4705:
+  call void @finch_panic(ptr @.str.2961, i64 2109, ptr @.str.2962)
   unreachable
-ok4492:
-  %t158 = getelementptr inbounds %S.gen.Gen, ptr %t156, i32 0, i32 42
-  store i1 false, ptr %t158
-  %t159 = load ptr, ptr %a1
-  %t160 = icmp eq ptr %t159, null
-  br i1 %t160, label %panic4493, label %ok4494
-panic4493:
-  call void @finch_panic(ptr @.str.2882, i64 1959, ptr @.str.2883)
+ok4706:
+  %t162 = getelementptr inbounds %S.gen.Gen, ptr %t160, i32 0, i32 35
+  store i64 %t159, ptr %t162
+  %t163 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 11
+  %t164 = load i64, ptr %t163
+  %t165 = load ptr, ptr %a1
+  %t166 = icmp eq ptr %t165, null
+  br i1 %t166, label %panic4707, label %ok4708
+panic4707:
+  call void @finch_panic(ptr @.str.2963, i64 2110, ptr @.str.2964)
   unreachable
-ok4494:
-  %t161 = getelementptr inbounds %S.gen.Gen, ptr %t159, i32 0, i32 44
-  store i64 0, ptr %t161
-  store { ptr, i64, i64 } zeroinitializer, ptr %a162
-  %t163 = load { ptr, i64, i64 }, ptr %a162
-  %t164 = load ptr, ptr %a1
-  %t165 = icmp eq ptr %t164, null
-  br i1 %t165, label %panic4495, label %ok4496
-panic4495:
-  call void @finch_panic(ptr @.str.2884, i64 1961, ptr @.str.2885)
-  unreachable
-ok4496:
-  %t166 = getelementptr inbounds %S.gen.Gen, ptr %t164, i32 0, i32 10
-  store { ptr, i64, i64 } %t163, ptr %a167
-  call void @finch.copy.arr_S_gen_Scope(ptr %a168, ptr %a167)
-  %t169 = load { ptr, i64, i64 }, ptr %a168
-  store { ptr, i64, i64 } %t169, ptr %t166
+ok4708:
+  %t167 = getelementptr inbounds %S.gen.Gen, ptr %t165, i32 0, i32 36
+  store i64 %t164, ptr %t167
+  %t168 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 12
+  %t169 = load i64, ptr %t168
   %t170 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t170)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a171
-  %t172 = load ptr, ptr %a1
-  %t173 = icmp eq ptr %t172, null
-  br i1 %t173, label %panic4500, label %ok4501
-panic4500:
-  call void @finch_panic(ptr @.str.2886, i64 1964, ptr @.str.2887)
+  %t171 = icmp eq ptr %t170, null
+  br i1 %t171, label %panic4709, label %ok4710
+panic4709:
+  call void @finch_panic(ptr @.str.2965, i64 2111, ptr @.str.2966)
   unreachable
-ok4501:
-  %t174 = getelementptr inbounds %S.gen.Gen, ptr %t172, i32 0, i32 12
-  %t175 = getelementptr inbounds %S.gen.FnSig, ptr %t174, i32 0, i32 2
-  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t175, i32 0, i32 1
-  %t177 = load i64, ptr %t176
-  %t178 = icmp sgt i64 %t177, 0
-  br i1 %t178, label %then4502, label %endif4504
-then4502:
-  %t179 = getelementptr inbounds { ptr, i64, i64 }, ptr %a171, i32 0, i32 1
-  %t180 = load i64, ptr %t179
-  %t181 = add i64 %t180, 1
-  call void @finch_arr_reserve(ptr %a171, i64 %t181, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t182 = load ptr, ptr %a171
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i64 %t180
-  store { ptr, i64, i64 } { ptr @.str.2888, i64 9, i64 0 }, ptr %t183
-  store i64 %t181, ptr %t179
-  store { ptr, i64, i64 } { ptr @.str.2889, i64 6, i64 0 }, ptr %a184
-  %t185 = load ptr, ptr %a1
-  %t186 = icmp eq ptr %t185, null
-  br i1 %t186, label %panic4505, label %ok4506
-panic4505:
-  call void @finch_panic(ptr @.str.2890, i64 1968, ptr @.str.2891)
+ok4710:
+  %t172 = getelementptr inbounds %S.gen.Gen, ptr %t170, i32 0, i32 37
+  store i64 %t169, ptr %t172
+  br label %endif4704
+endif4704:
+  %t173 = load ptr, ptr %a1
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic4711, label %ok4712
+panic4711:
+  call void @finch_panic(ptr @.str.2967, i64 2113, ptr @.str.2968)
   unreachable
-ok4506:
-  %t187 = getelementptr inbounds %S.gen.Gen, ptr %t185, i32 0, i32 12
-  %t188 = getelementptr inbounds %S.gen.FnSig, ptr %t187, i32 0, i32 4
-  %t189 = load i1, ptr %t188
-  br i1 %t189, label %then4507, label %endif4509
-then4507:
-  store { ptr, i64, i64 } { ptr @.str.2892, i64 4, i64 0 }, ptr %a184
-  br label %endif4509
-endif4509:
-  %t190 = load { ptr, i64, i64 }, ptr %a184
-  store { ptr, i64, i64 } %t190, ptr %a191
-  call void @finch_str_copy(ptr %a192, ptr %a191)
-  %t193 = load { ptr, i64, i64 }, ptr %a192
-  %t194 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } %t193, 0
-  %t195 = load ptr, ptr %a1
-  %t196 = icmp eq ptr %t195, null
-  br i1 %t196, label %panic4510, label %ok4511
-panic4510:
-  call void @finch_panic(ptr @.str.2893, i64 1971, ptr @.str.2894)
+ok4712:
+  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 43
+  store i1 false, ptr %t175
+  %t176 = load ptr, ptr %a1
+  %t177 = icmp eq ptr %t176, null
+  br i1 %t177, label %panic4713, label %ok4714
+panic4713:
+  call void @finch_panic(ptr @.str.2969, i64 2114, ptr @.str.2970)
   unreachable
-ok4511:
-  %t197 = getelementptr inbounds %S.gen.Gen, ptr %t195, i32 0, i32 12
-  %t198 = getelementptr inbounds %S.gen.FnSig, ptr %t197, i32 0, i32 2
-  %t199 = load { ptr, i64, i64 }, ptr %t198
-  store { ptr, i64, i64 } %t199, ptr %a200
-  call void @finch_str_copy(ptr %a201, ptr %a200)
-  %t202 = load { ptr, i64, i64 }, ptr %a201
-  %t203 = insertvalue %S.ast.Type %t194, { ptr, i64, i64 } %t202, 2
+ok4714:
+  %t178 = getelementptr inbounds %S.gen.Gen, ptr %t176, i32 0, i32 45
+  store i64 0, ptr %t178
+  store { ptr, i64, i64 } zeroinitializer, ptr %a179
+  %t180 = load { ptr, i64, i64 }, ptr %a179
+  %t181 = load ptr, ptr %a1
+  %t182 = icmp eq ptr %t181, null
+  br i1 %t182, label %panic4715, label %ok4716
+panic4715:
+  call void @finch_panic(ptr @.str.2971, i64 2116, ptr @.str.2972)
+  unreachable
+ok4716:
+  %t183 = getelementptr inbounds %S.gen.Gen, ptr %t181, i32 0, i32 10
+  store { ptr, i64, i64 } %t180, ptr %a184
+  call void @finch.copy.arr_S_gen_Scope(ptr %a185, ptr %a184)
+  %t186 = load { ptr, i64, i64 }, ptr %a185
+  %t187 = load { ptr, i64, i64 }, ptr %t183
+  store { ptr, i64, i64 } %t186, ptr %t183
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch.drop.arr_S_gen_Scope(ptr %a188)
+  %t189 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t189)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a190
+  %t191 = load ptr, ptr %a1
+  %t192 = icmp eq ptr %t191, null
+  br i1 %t192, label %panic4726, label %ok4727
+panic4726:
+  call void @finch_panic(ptr @.str.2973, i64 2119, ptr @.str.2974)
+  unreachable
+ok4727:
+  %t193 = getelementptr inbounds %S.gen.Gen, ptr %t191, i32 0, i32 13
+  %t194 = getelementptr inbounds %S.gen.FnSig, ptr %t193, i32 0, i32 2
+  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
+  %t196 = load i64, ptr %t195
+  %t197 = icmp sgt i64 %t196, 0
+  br i1 %t197, label %then4728, label %endif4730
+then4728:
+  %t198 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
+  %t199 = load i64, ptr %t198
+  %t200 = add i64 %t199, 1
+  call void @finch_arr_reserve(ptr %a190, i64 %t200, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t201 = load ptr, ptr %a190
+  %t202 = getelementptr inbounds { ptr, i64, i64 }, ptr %t201, i64 %t199
+  store { ptr, i64, i64 } { ptr @.str.2975, i64 9, i64 0 }, ptr %t202
+  store i64 %t200, ptr %t198
+  store { ptr, i64, i64 } { ptr @.str.2976, i64 6, i64 0 }, ptr %a203
   %t204 = load ptr, ptr %a1
   %t205 = icmp eq ptr %t204, null
-  br i1 %t205, label %panic4512, label %ok4513
-panic4512:
-  call void @finch_panic(ptr @.str.2895, i64 1971, ptr @.str.2896)
+  br i1 %t205, label %panic4731, label %ok4732
+panic4731:
+  call void @finch_panic(ptr @.str.2977, i64 2123, ptr @.str.2978)
   unreachable
-ok4513:
-  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 12
-  %t207 = getelementptr inbounds %S.gen.FnSig, ptr %t206, i32 0, i32 3
-  %t208 = load { ptr, i64, i64 }, ptr %t207
-  store { ptr, i64, i64 } %t208, ptr %a209
-  call void @finch_str_copy(ptr %a210, ptr %a209)
-  %t211 = load { ptr, i64, i64 }, ptr %a210
-  %t212 = insertvalue %S.ast.Type %t203, { ptr, i64, i64 } %t211, 3
-  store %S.ast.Type %t212, ptr %a213
-  %t214 = load ptr, ptr %a1
-  %t215 = icmp eq ptr %t214, null
-  br i1 %t215, label %panic4514, label %ok4515
-panic4514:
-  call void @finch_panic(ptr @.str.2897, i64 1972, ptr @.str.2898)
+ok4732:
+  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 13
+  %t207 = getelementptr inbounds %S.gen.FnSig, ptr %t206, i32 0, i32 4
+  %t208 = load i1, ptr %t207
+  br i1 %t208, label %then4733, label %endif4735
+then4733:
+  %t209 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } { ptr @.str.2979, i64 4, i64 0 }, ptr %a203
+  store { ptr, i64, i64 } %t209, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  br label %endif4735
+endif4735:
+  %t211 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } %t211, ptr %a212
+  call void @finch_str_copy(ptr %a213, ptr %a212)
+  %t214 = load { ptr, i64, i64 }, ptr %a213
+  %t215 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } %t214, 0
+  %t216 = load ptr, ptr %a1
+  %t217 = icmp eq ptr %t216, null
+  br i1 %t217, label %panic4736, label %ok4737
+panic4736:
+  call void @finch_panic(ptr @.str.2980, i64 2126, ptr @.str.2981)
   unreachable
-ok4515:
-  %t216 = getelementptr inbounds %S.gen.Gen, ptr %t214, i32 0, i32 10
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  %t218 = extractvalue { ptr, i64, i64 } %t217, 1
-  %t219 = icmp uge i64 0, %t218
-  br i1 %t219, label %range4516, label %inrange4517
-range4516:
-  call void @finch_panic_index(ptr @.str.2899, i64 1972, i64 0, i64 %t218)
+ok4737:
+  %t218 = getelementptr inbounds %S.gen.Gen, ptr %t216, i32 0, i32 13
+  %t219 = getelementptr inbounds %S.gen.FnSig, ptr %t218, i32 0, i32 2
+  %t220 = load { ptr, i64, i64 }, ptr %t219
+  store { ptr, i64, i64 } %t220, ptr %a221
+  call void @finch_str_copy(ptr %a222, ptr %a221)
+  %t223 = load { ptr, i64, i64 }, ptr %a222
+  %t224 = insertvalue %S.ast.Type %t215, { ptr, i64, i64 } %t223, 2
+  %t225 = load ptr, ptr %a1
+  %t226 = icmp eq ptr %t225, null
+  br i1 %t226, label %panic4738, label %ok4739
+panic4738:
+  call void @finch_panic(ptr @.str.2982, i64 2126, ptr @.str.2983)
   unreachable
-inrange4517:
-  %t220 = extractvalue { ptr, i64, i64 } %t217, 0
-  %t221 = getelementptr inbounds %S.gen.Scope, ptr %t220, i64 0
-  %t222 = getelementptr inbounds %S.gen.Scope, ptr %t221, i32 0, i32 0
-  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i32 0, i32 1
-  %t224 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } { ptr @.str.2900, i64 4, i64 0 }, 0
-  %t225 = load %S.ast.Type, ptr %a213
-  store %S.ast.Type %t225, ptr %a226
-  call void @finch.copy.S_ast_Type(ptr %a227, ptr %a226)
-  %t228 = load %S.ast.Type, ptr %a227
-  %t229 = insertvalue %S.gen.Var %t224, %S.ast.Type %t228, 1
-  %t230 = insertvalue %S.gen.Var %t229, { ptr, i64, i64 } { ptr @.str.2901, i64 5, i64 0 }, 2
-  %t231 = insertvalue %S.gen.Var %t230, i1 false, 3
-  %t232 = load i64, ptr %t223
-  %t233 = add i64 %t232, 1
-  call void @finch_arr_reserve(ptr %t222, i64 %t233, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
-  %t234 = load ptr, ptr %t222
-  %t235 = getelementptr inbounds %S.gen.Var, ptr %t234, i64 %t232
-  store %S.gen.Var %t231, ptr %t235
-  store i64 %t233, ptr %t223
-  %t236 = load ptr, ptr %a1
-  %t237 = icmp eq ptr %t236, null
-  br i1 %t237, label %panic4518, label %ok4519
-panic4518:
-  call void @finch_panic(ptr @.str.2902, i64 1973, ptr @.str.2903)
+ok4739:
+  %t227 = getelementptr inbounds %S.gen.Gen, ptr %t225, i32 0, i32 13
+  %t228 = getelementptr inbounds %S.gen.FnSig, ptr %t227, i32 0, i32 3
+  %t229 = load { ptr, i64, i64 }, ptr %t228
+  store { ptr, i64, i64 } %t229, ptr %a230
+  call void @finch_str_copy(ptr %a231, ptr %a230)
+  %t232 = load { ptr, i64, i64 }, ptr %a231
+  %t233 = insertvalue %S.ast.Type %t224, { ptr, i64, i64 } %t232, 3
+  store %S.ast.Type %t233, ptr %a234
+  %t235 = load ptr, ptr %a1
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic4740, label %ok4741
+panic4740:
+  call void @finch_panic(ptr @.str.2984, i64 2127, ptr @.str.2985)
   unreachable
-ok4519:
-  %t238 = getelementptr inbounds %S.gen.Gen, ptr %t236, i32 0, i32 28
-  %t239 = load i1, ptr %t238
-  br i1 %t239, label %then4520, label %endif4522
-then4520:
-  %t240 = load ptr, ptr %a1
-  %t241 = load %S.ast.Node, ptr %a106
-  %t242 = load %S.ast.Type, ptr %a213
-  call void @finch.gen.dbgVariable(ptr %t240, %S.ast.Node %t241, { ptr, i64, i64 } { ptr @.str.2904, i64 4, i64 0 }, %S.ast.Type %t242, { ptr, i64, i64 } { ptr @.str.2905, i64 5, i64 0 })
-  br label %endif4522
-endif4522:
-  br label %endif4504
-endif4504:
-  %t243 = load ptr, ptr %a1
-  %t244 = icmp eq ptr %t243, null
-  br i1 %t244, label %panic4523, label %ok4524
-panic4523:
-  call void @finch_panic(ptr @.str.2906, i64 1978, ptr @.str.2907)
+ok4741:
+  %t237 = getelementptr inbounds %S.gen.Gen, ptr %t235, i32 0, i32 10
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
+  %t240 = icmp uge i64 0, %t239
+  br i1 %t240, label %range4742, label %inrange4743
+range4742:
+  call void @finch_panic_index(ptr @.str.2986, i64 2127, i64 0, i64 %t239)
   unreachable
-ok4524:
-  %t245 = getelementptr inbounds %S.gen.Gen, ptr %t243, i32 0, i32 12
-  %t246 = getelementptr inbounds %S.gen.FnSig, ptr %t245, i32 0, i32 13
-  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i32 0, i32 1
-  %t248 = load i64, ptr %t247
-  store i64 0, ptr %a249
-  br label %for.cond4525
-for.cond4525:
-  %t250 = load i64, ptr %a249
-  %t251 = icmp slt i64 %t250, %t248
-  br i1 %t251, label %for.body4526, label %for.end4528
-for.body4526:
-  %t252 = load ptr, ptr %a1
-  %t253 = icmp eq ptr %t252, null
-  br i1 %t253, label %panic4529, label %ok4530
-panic4529:
-  call void @finch_panic(ptr @.str.2908, i64 1979, ptr @.str.2909)
+inrange4743:
+  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
+  %t242 = getelementptr inbounds %S.gen.Scope, ptr %t241, i64 0
+  %t243 = getelementptr inbounds %S.gen.Scope, ptr %t242, i32 0, i32 0
+  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
+  %t245 = insertvalue %S.gen.Var zeroinitializer, { ptr, i64, i64 } { ptr @.str.2987, i64 4, i64 0 }, 0
+  %t246 = load %S.ast.Type, ptr %a234
+  store %S.ast.Type %t246, ptr %a247
+  call void @finch.copy.S_ast_Type(ptr %a248, ptr %a247)
+  %t249 = load %S.ast.Type, ptr %a248
+  %t250 = insertvalue %S.gen.Var %t245, %S.ast.Type %t249, 1
+  %t251 = insertvalue %S.gen.Var %t250, { ptr, i64, i64 } { ptr @.str.2988, i64 5, i64 0 }, 2
+  %t252 = insertvalue %S.gen.Var %t251, i1 false, 3
+  %t253 = load i64, ptr %t244
+  %t254 = add i64 %t253, 1
+  call void @finch_arr_reserve(ptr %t243, i64 %t254, i64 ptrtoint (ptr getelementptr (%S.gen.Var, ptr null, i32 1) to i64))
+  %t255 = load ptr, ptr %t243
+  %t256 = getelementptr inbounds %S.gen.Var, ptr %t255, i64 %t253
+  store %S.gen.Var %t252, ptr %t256
+  store i64 %t254, ptr %t244
+  %t257 = load ptr, ptr %a1
+  %t258 = icmp eq ptr %t257, null
+  br i1 %t258, label %panic4744, label %ok4745
+panic4744:
+  call void @finch_panic(ptr @.str.2989, i64 2128, ptr @.str.2990)
   unreachable
-ok4530:
-  %t254 = getelementptr inbounds %S.gen.Gen, ptr %t252, i32 0, i32 12
-  %t255 = getelementptr inbounds %S.gen.FnSig, ptr %t254, i32 0, i32 13
-  %t256 = load i64, ptr %a249
-  %t257 = load { ptr, i64, i64 }, ptr %t255
-  %t258 = extractvalue { ptr, i64, i64 } %t257, 1
-  %t259 = icmp uge i64 %t256, %t258
-  br i1 %t259, label %range4531, label %inrange4532
-range4531:
-  call void @finch_panic_index(ptr @.str.2910, i64 1979, i64 %t256, i64 %t258)
+ok4745:
+  %t259 = getelementptr inbounds %S.gen.Gen, ptr %t257, i32 0, i32 29
+  %t260 = load i1, ptr %t259
+  br i1 %t260, label %then4746, label %endif4748
+then4746:
+  %t261 = load ptr, ptr %a1
+  %t262 = load %S.ast.Node, ptr %a119
+  %t263 = load %S.ast.Type, ptr %a234
+  call void @finch.gen.dbgVariable(ptr %t261, %S.ast.Node %t262, { ptr, i64, i64 } { ptr @.str.2991, i64 4, i64 0 }, %S.ast.Type %t263, { ptr, i64, i64 } { ptr @.str.2992, i64 5, i64 0 })
+  br label %endif4748
+endif4748:
+  call void @finch.drop.S_ast_Type(ptr %a234)
+  call void @finch_str_drop(ptr %a203)
+  br label %endif4730
+endif4730:
+  %t264 = load ptr, ptr %a1
+  %t265 = icmp eq ptr %t264, null
+  br i1 %t265, label %panic4749, label %ok4750
+panic4749:
+  call void @finch_panic(ptr @.str.2993, i64 2133, ptr @.str.2994)
   unreachable
-inrange4532:
-  %t260 = extractvalue { ptr, i64, i64 } %t257, 0
-  %t261 = getelementptr inbounds %S.ast.Type, ptr %t260, i64 %t256
-  %t262 = load %S.ast.Type, ptr %t261
-  store %S.ast.Type %t262, ptr %a263
-  call void @finch.copy.S_ast_Type(ptr %a264, ptr %a263)
-  %t265 = load %S.ast.Type, ptr %a264
-  store %S.ast.Type %t265, ptr %a266
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %a171, i32 0, i32 1
-  %t268 = load ptr, ptr %a1
-  %t269 = load %S.ast.Type, ptr %a266
-  %t270 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t268, %S.ast.Type %t269)
-  store { ptr, i64, i64 } %t270, ptr %a272
-  store { ptr, i64, i64 } { ptr @.str.2911, i64 3, i64 0 }, ptr %a273
-  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
-  %t274 = load { ptr, i64, i64 }, ptr %a271
-  %t275 = load i64, ptr %a249
-  call void @finch_str_from_int(ptr %a276, i64 %t275)
-  %t277 = load { ptr, i64, i64 }, ptr %a276
-  store { ptr, i64, i64 } %t274, ptr %a279
-  store { ptr, i64, i64 } %t277, ptr %a280
-  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
-  %t281 = load { ptr, i64, i64 }, ptr %a278
-  %t282 = load i64, ptr %t267
-  %t283 = add i64 %t282, 1
-  call void @finch_arr_reserve(ptr %a171, i64 %t283, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t284 = load ptr, ptr %a171
-  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 %t282
-  store { ptr, i64, i64 } %t281, ptr %t285
-  store i64 %t283, ptr %t267
-  %t286 = load i64, ptr %a249
-  call void @finch_str_from_int(ptr %a287, i64 %t286)
-  %t288 = load { ptr, i64, i64 }, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.2912, i64 2, i64 0 }, ptr %a290
-  store { ptr, i64, i64 } %t288, ptr %a291
-  call void @finch_str_concat(ptr %a289, ptr %a290, ptr %a291)
-  %t292 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t292, ptr %a293
-  %t294 = load ptr, ptr %a1
-  %t295 = load %S.ast.Type, ptr %a266
-  %t296 = call i1 @finch.gen.owning(ptr %t294, %S.ast.Type %t295)
-  br label %logic.from4533
-logic.from4533:
-  br i1 %t296, label %logic.rhs4534, label %logic.end4535
-logic.rhs4534:
-  %t297 = load ptr, ptr %a1
-  %t298 = icmp eq ptr %t297, null
-  br i1 %t298, label %panic4536, label %ok4537
-panic4536:
-  call void @finch_panic(ptr @.str.2913, i64 1982, ptr @.str.2914)
+ok4750:
+  %t266 = getelementptr inbounds %S.gen.Gen, ptr %t264, i32 0, i32 13
+  %t267 = getelementptr inbounds %S.gen.FnSig, ptr %t266, i32 0, i32 13
+  %t268 = getelementptr inbounds { ptr, i64, i64 }, ptr %t267, i32 0, i32 1
+  %t269 = load i64, ptr %t268
+  store i64 0, ptr %a270
+  br label %for.cond4751
+for.cond4751:
+  %t271 = load i64, ptr %a270
+  %t272 = icmp slt i64 %t271, %t269
+  br i1 %t272, label %for.body4752, label %for.end4754
+for.body4752:
+  %t273 = load ptr, ptr %a1
+  %t274 = icmp eq ptr %t273, null
+  br i1 %t274, label %panic4755, label %ok4756
+panic4755:
+  call void @finch_panic(ptr @.str.2995, i64 2134, ptr @.str.2996)
   unreachable
-ok4537:
-  %t299 = getelementptr inbounds %S.gen.Gen, ptr %t297, i32 0, i32 12
-  %t300 = getelementptr inbounds %S.gen.FnSig, ptr %t299, i32 0, i32 15
-  %t301 = load i64, ptr %a249
-  %t302 = load { ptr, i64, i64 }, ptr %t300
-  %t303 = extractvalue { ptr, i64, i64 } %t302, 1
-  %t304 = icmp uge i64 %t301, %t303
-  br i1 %t304, label %range4538, label %inrange4539
-range4538:
-  call void @finch_panic_index(ptr @.str.2915, i64 1982, i64 %t301, i64 %t303)
+ok4756:
+  %t275 = getelementptr inbounds %S.gen.Gen, ptr %t273, i32 0, i32 13
+  %t276 = getelementptr inbounds %S.gen.FnSig, ptr %t275, i32 0, i32 13
+  %t277 = load i64, ptr %a270
+  %t278 = load { ptr, i64, i64 }, ptr %t276
+  %t279 = extractvalue { ptr, i64, i64 } %t278, 1
+  %t280 = icmp uge i64 %t277, %t279
+  br i1 %t280, label %range4757, label %inrange4758
+range4757:
+  call void @finch_panic_index(ptr @.str.2997, i64 2134, i64 %t277, i64 %t279)
   unreachable
-inrange4539:
-  %t305 = extractvalue { ptr, i64, i64 } %t302, 0
-  %t306 = getelementptr inbounds i1, ptr %t305, i64 %t301
-  %t307 = load i1, ptr %t306
-  %t308 = xor i1 %t307, true
-  br label %logic.rend4540
-logic.rend4540:
-  br label %logic.end4535
-logic.end4535:
-  %t309 = phi i1 [ false, %logic.from4533 ], [ %t308, %logic.rend4540 ]
-  br i1 %t309, label %then4541, label %endif4543
-then4541:
-  %t310 = load ptr, ptr %a1
-  %t311 = load { ptr, i64, i64 }, ptr %a293
-  %t312 = load %S.ast.Type, ptr %a266
-  %t313 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t310, { ptr, i64, i64 } %t311, %S.ast.Type %t312)
-  store { ptr, i64, i64 } %t313, ptr %a293
-  br label %endif4543
-endif4543:
-  %t314 = load i64, ptr %a249
-  %t315 = add i64 %t314, 1
-  %t316 = load ptr, ptr %a1
-  %t317 = icmp eq ptr %t316, null
-  br i1 %t317, label %panic4544, label %ok4545
-panic4544:
-  call void @finch_panic(ptr @.str.2916, i64 1985, ptr @.str.2917)
-  unreachable
-ok4545:
-  %t318 = getelementptr inbounds %S.gen.Gen, ptr %t316, i32 0, i32 37
-  store i64 %t315, ptr %t318
+inrange4758:
+  %t281 = extractvalue { ptr, i64, i64 } %t278, 0
+  %t282 = getelementptr inbounds %S.ast.Type, ptr %t281, i64 %t277
+  %t283 = load %S.ast.Type, ptr %t282
+  store %S.ast.Type %t283, ptr %a284
+  call void @finch.copy.S_ast_Type(ptr %a285, ptr %a284)
+  %t286 = load %S.ast.Type, ptr %a285
+  store %S.ast.Type %t286, ptr %a287
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
+  %t289 = load ptr, ptr %a1
+  %t290 = load %S.ast.Type, ptr %a287
+  %t291 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t289, %S.ast.Type %t290)
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.2998, i64 3, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = load i64, ptr %a270
+  call void @finch_str_from_int(ptr %a298, i64 %t297)
+  %t299 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t296, ptr %a301
+  store { ptr, i64, i64 } %t299, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t296, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  store { ptr, i64, i64 } %t299, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load { ptr, i64, i64 }, ptr %a300
+  %t306 = load i64, ptr %t288
+  %t307 = add i64 %t306, 1
+  call void @finch_arr_reserve(ptr %a190, i64 %t307, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t308 = load ptr, ptr %a190
+  %t309 = getelementptr inbounds { ptr, i64, i64 }, ptr %t308, i64 %t306
+  store { ptr, i64, i64 } %t305, ptr %t309
+  store i64 %t307, ptr %t288
+  %t310 = load i64, ptr %a270
+  call void @finch_str_from_int(ptr %a311, i64 %t310)
+  %t312 = load { ptr, i64, i64 }, ptr %a311
+  store { ptr, i64, i64 } { ptr @.str.2999, i64 2, i64 0 }, ptr %a314
+  store { ptr, i64, i64 } %t312, ptr %a315
+  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
+  store { ptr, i64, i64 } %t312, ptr %a316
+  call void @finch_str_drop(ptr %a316)
+  %t317 = load { ptr, i64, i64 }, ptr %a313
+  store { ptr, i64, i64 } %t317, ptr %a318
   %t319 = load ptr, ptr %a1
-  %t320 = icmp eq ptr %t319, null
-  br i1 %t320, label %panic4546, label %ok4547
-panic4546:
-  call void @finch_panic(ptr @.str.2918, i64 1986, ptr @.str.2919)
+  %t320 = load %S.ast.Type, ptr %a287
+  %t321 = call i1 @finch.gen.owning(ptr %t319, %S.ast.Type %t320)
+  br label %logic.from4759
+logic.from4759:
+  br i1 %t321, label %logic.rhs4760, label %logic.end4761
+logic.rhs4760:
+  %t322 = load ptr, ptr %a1
+  %t323 = icmp eq ptr %t322, null
+  br i1 %t323, label %panic4762, label %ok4763
+panic4762:
+  call void @finch_panic(ptr @.str.3000, i64 2137, ptr @.str.3001)
   unreachable
-ok4547:
-  %t321 = getelementptr inbounds %S.gen.Gen, ptr %t319, i32 0, i32 12
-  %t322 = getelementptr inbounds %S.gen.FnSig, ptr %t321, i32 0, i32 2
-  %t323 = getelementptr inbounds { ptr, i64, i64 }, ptr %t322, i32 0, i32 1
-  %t324 = load i64, ptr %t323
-  %t325 = icmp sgt i64 %t324, 0
-  br i1 %t325, label %then4548, label %endif4550
-then4548:
-  %t326 = load i64, ptr %a249
-  %t327 = add i64 %t326, 2
-  %t328 = load ptr, ptr %a1
-  %t329 = icmp eq ptr %t328, null
-  br i1 %t329, label %panic4551, label %ok4552
-panic4551:
-  call void @finch_panic(ptr @.str.2920, i64 1987, ptr @.str.2921)
+ok4763:
+  %t324 = getelementptr inbounds %S.gen.Gen, ptr %t322, i32 0, i32 13
+  %t325 = getelementptr inbounds %S.gen.FnSig, ptr %t324, i32 0, i32 15
+  %t326 = load i64, ptr %a270
+  %t327 = load { ptr, i64, i64 }, ptr %t325
+  %t328 = extractvalue { ptr, i64, i64 } %t327, 1
+  %t329 = icmp uge i64 %t326, %t328
+  br i1 %t329, label %range4764, label %inrange4765
+range4764:
+  call void @finch_panic_index(ptr @.str.3002, i64 2137, i64 %t326, i64 %t328)
   unreachable
-ok4552:
-  %t330 = getelementptr inbounds %S.gen.Gen, ptr %t328, i32 0, i32 37
-  store i64 %t327, ptr %t330
-  br label %endif4550
-endif4550:
-  %t331 = load ptr, ptr %a1
-  %t332 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 9
-  %t333 = load i64, ptr %a249
-  %t334 = load { ptr, i64, i64 }, ptr %t332
-  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
-  %t336 = icmp uge i64 %t333, %t335
-  br i1 %t336, label %range4553, label %inrange4554
-range4553:
-  call void @finch_panic_index(ptr @.str.2922, i64 1989, i64 %t333, i64 %t335)
+inrange4765:
+  %t330 = extractvalue { ptr, i64, i64 } %t327, 0
+  %t331 = getelementptr inbounds i1, ptr %t330, i64 %t326
+  %t332 = load i1, ptr %t331
+  %t333 = xor i1 %t332, true
+  br label %logic.rend4766
+logic.rend4766:
+  br label %logic.end4761
+logic.end4761:
+  %t334 = phi i1 [ false, %logic.from4759 ], [ %t333, %logic.rend4766 ]
+  br i1 %t334, label %then4767, label %endif4769
+then4767:
+  %t335 = load ptr, ptr %a1
+  %t336 = load { ptr, i64, i64 }, ptr %a318
+  %t337 = load %S.ast.Type, ptr %a287
+  %t338 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t335, { ptr, i64, i64 } %t336, %S.ast.Type %t337)
+  %t339 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t338, ptr %a318
+  store { ptr, i64, i64 } %t339, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  br label %endif4769
+endif4769:
+  %t341 = load i64, ptr %a270
+  %t342 = add i64 %t341, 1
+  %t343 = load ptr, ptr %a1
+  %t344 = icmp eq ptr %t343, null
+  br i1 %t344, label %panic4770, label %ok4771
+panic4770:
+  call void @finch_panic(ptr @.str.3003, i64 2140, ptr @.str.3004)
   unreachable
-inrange4554:
-  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
-  %t338 = getelementptr inbounds %S.ast.Node, ptr %t337, i64 %t333
-  %t339 = load %S.ast.Node, ptr %t338
-  %t340 = load ptr, ptr %a1
-  %t341 = icmp eq ptr %t340, null
-  br i1 %t341, label %panic4555, label %ok4556
-panic4555:
-  call void @finch_panic(ptr @.str.2923, i64 1989, ptr @.str.2924)
+ok4771:
+  %t345 = getelementptr inbounds %S.gen.Gen, ptr %t343, i32 0, i32 38
+  store i64 %t342, ptr %t345
+  %t346 = load ptr, ptr %a1
+  %t347 = icmp eq ptr %t346, null
+  br i1 %t347, label %panic4772, label %ok4773
+panic4772:
+  call void @finch_panic(ptr @.str.3005, i64 2141, ptr @.str.3006)
   unreachable
-ok4556:
-  %t342 = getelementptr inbounds %S.gen.Gen, ptr %t340, i32 0, i32 12
-  %t343 = getelementptr inbounds %S.gen.FnSig, ptr %t342, i32 0, i32 14
-  %t344 = load i64, ptr %a249
-  %t345 = load { ptr, i64, i64 }, ptr %t343
-  %t346 = extractvalue { ptr, i64, i64 } %t345, 1
-  %t347 = icmp uge i64 %t344, %t346
-  br i1 %t347, label %range4557, label %inrange4558
-range4557:
-  call void @finch_panic_index(ptr @.str.2925, i64 1989, i64 %t344, i64 %t346)
+ok4773:
+  %t348 = getelementptr inbounds %S.gen.Gen, ptr %t346, i32 0, i32 13
+  %t349 = getelementptr inbounds %S.gen.FnSig, ptr %t348, i32 0, i32 2
+  %t350 = getelementptr inbounds { ptr, i64, i64 }, ptr %t349, i32 0, i32 1
+  %t351 = load i64, ptr %t350
+  %t352 = icmp sgt i64 %t351, 0
+  br i1 %t352, label %then4774, label %endif4776
+then4774:
+  %t353 = load i64, ptr %a270
+  %t354 = add i64 %t353, 2
+  %t355 = load ptr, ptr %a1
+  %t356 = icmp eq ptr %t355, null
+  br i1 %t356, label %panic4777, label %ok4778
+panic4777:
+  call void @finch_panic(ptr @.str.3007, i64 2142, ptr @.str.3008)
   unreachable
-inrange4558:
-  %t348 = extractvalue { ptr, i64, i64 } %t345, 0
-  %t349 = getelementptr inbounds { ptr, i64, i64 }, ptr %t348, i64 %t344
-  %t350 = load { ptr, i64, i64 }, ptr %t349
-  %t351 = load %S.ast.Type, ptr %a266
-  %t352 = load { ptr, i64, i64 }, ptr %a293
-  %t353 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t331, %S.ast.Node %t339, { ptr, i64, i64 } %t350, %S.ast.Type %t351, { ptr, i64, i64 } %t352, i1 false)
-  %t354 = load ptr, ptr %a1
-  %t355 = icmp eq ptr %t354, null
-  br i1 %t355, label %panic4559, label %ok4560
-panic4559:
-  call void @finch_panic(ptr @.str.2926, i64 1990, ptr @.str.2927)
+ok4778:
+  %t357 = getelementptr inbounds %S.gen.Gen, ptr %t355, i32 0, i32 38
+  store i64 %t354, ptr %t357
+  br label %endif4776
+endif4776:
+  %t358 = load ptr, ptr %a1
+  %t359 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 9
+  %t360 = load i64, ptr %a270
+  %t361 = load { ptr, i64, i64 }, ptr %t359
+  %t362 = extractvalue { ptr, i64, i64 } %t361, 1
+  %t363 = icmp uge i64 %t360, %t362
+  br i1 %t363, label %range4779, label %inrange4780
+range4779:
+  call void @finch_panic_index(ptr @.str.3009, i64 2144, i64 %t360, i64 %t362)
   unreachable
-ok4560:
-  %t356 = getelementptr inbounds %S.gen.Gen, ptr %t354, i32 0, i32 37
-  store i64 0, ptr %t356
-  br label %for.step4527
-for.step4527:
-  %t357 = load i64, ptr %a249
-  %t358 = add i64 %t357, 1
-  store i64 %t358, ptr %a249
-  br label %for.cond4525
-for.end4528:
-  %t359 = load ptr, ptr %a1
-  %t360 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 9
-  %t361 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 9
-  %t362 = getelementptr inbounds { ptr, i64, i64 }, ptr %t361, i32 0, i32 1
-  %t363 = load i64, ptr %t362
-  %t364 = sub i64 %t363, 1
-  %t365 = load { ptr, i64, i64 }, ptr %t360
-  %t366 = extractvalue { ptr, i64, i64 } %t365, 1
-  %t367 = icmp uge i64 %t364, %t366
-  br i1 %t367, label %range4561, label %inrange4562
-range4561:
-  call void @finch_panic_index(ptr @.str.2928, i64 1992, i64 %t364, i64 %t366)
+inrange4780:
+  %t364 = extractvalue { ptr, i64, i64 } %t361, 0
+  %t365 = getelementptr inbounds %S.ast.Node, ptr %t364, i64 %t360
+  %t366 = load %S.ast.Node, ptr %t365
+  %t367 = load ptr, ptr %a1
+  %t368 = icmp eq ptr %t367, null
+  br i1 %t368, label %panic4781, label %ok4782
+panic4781:
+  call void @finch_panic(ptr @.str.3010, i64 2144, ptr @.str.3011)
   unreachable
-inrange4562:
-  %t368 = extractvalue { ptr, i64, i64 } %t365, 0
-  %t369 = getelementptr inbounds %S.ast.Node, ptr %t368, i64 %t364
-  %t370 = load %S.ast.Node, ptr %t369
-  call void @finch.gen.block(ptr %t359, %S.ast.Node %t370, i1 false)
-  %t371 = load ptr, ptr %a1
-  %t372 = icmp eq ptr %t371, null
-  br i1 %t372, label %panic4563, label %ok4564
-panic4563:
-  call void @finch_panic(ptr @.str.2929, i64 1993, ptr @.str.2930)
+ok4782:
+  %t369 = getelementptr inbounds %S.gen.Gen, ptr %t367, i32 0, i32 13
+  %t370 = getelementptr inbounds %S.gen.FnSig, ptr %t369, i32 0, i32 14
+  %t371 = load i64, ptr %a270
+  %t372 = load { ptr, i64, i64 }, ptr %t370
+  %t373 = extractvalue { ptr, i64, i64 } %t372, 1
+  %t374 = icmp uge i64 %t371, %t373
+  br i1 %t374, label %range4783, label %inrange4784
+range4783:
+  call void @finch_panic_index(ptr @.str.3012, i64 2144, i64 %t371, i64 %t373)
   unreachable
-ok4564:
-  %t373 = getelementptr inbounds %S.gen.Gen, ptr %t371, i32 0, i32 9
-  %t374 = load i1, ptr %t373
-  %t375 = xor i1 %t374, true
-  br i1 %t375, label %then4565, label %endif4567
-then4565:
-  %t376 = load ptr, ptr %a1
-  %t377 = icmp eq ptr %t376, null
-  br i1 %t377, label %panic4568, label %ok4569
-panic4568:
-  call void @finch_panic(ptr @.str.2931, i64 1994, ptr @.str.2932)
+inrange4784:
+  %t375 = extractvalue { ptr, i64, i64 } %t372, 0
+  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t371
+  %t377 = load { ptr, i64, i64 }, ptr %t376
+  %t378 = load %S.ast.Type, ptr %a287
+  %t379 = load { ptr, i64, i64 }, ptr %a318
+  %t380 = load ptr, ptr %a1
+  %t381 = load %S.ast.Type, ptr %a287
+  %t382 = call i1 @finch.gen.owning(ptr %t380, %S.ast.Type %t381)
+  br label %logic.from4785
+logic.from4785:
+  br i1 %t382, label %logic.rhs4786, label %logic.end4787
+logic.rhs4786:
+  %t383 = load ptr, ptr %a1
+  %t384 = icmp eq ptr %t383, null
+  br i1 %t384, label %panic4788, label %ok4789
+panic4788:
+  call void @finch_panic(ptr @.str.3013, i64 2144, ptr @.str.3014)
   unreachable
-ok4569:
-  %t378 = getelementptr inbounds %S.gen.Gen, ptr %t376, i32 0, i32 12
-  %t379 = getelementptr inbounds %S.gen.FnSig, ptr %t378, i32 0, i32 12
-  %t380 = getelementptr inbounds %S.ast.Type, ptr %t379, i32 0, i32 0
-  %t381 = load { ptr, i64, i64 }, ptr %t380
-  store { ptr, i64, i64 } %t381, ptr %a382
-  store { ptr, i64, i64 } { ptr @.str.2933, i64 4, i64 0 }, ptr %a383
-  %t384 = call i32 @finch_str_eq(ptr %a382, ptr %a383)
-  %t385 = icmp eq i32 %t384, 0
-  br i1 %t385, label %then4570, label %endif4572
-then4570:
-  %t386 = load ptr, ptr %a1
-  %t387 = load %S.ast.Node, ptr %a106
-  %t388 = getelementptr inbounds %S.ast.Node, ptr %a106, i32 0, i32 1
-  %t389 = load { ptr, i64, i64 }, ptr %t388
-  store { ptr, i64, i64 } { ptr @.str.2934, i64 10, i64 0 }, ptr %a391
-  store { ptr, i64, i64 } %t389, ptr %a392
-  call void @finch_str_concat(ptr %a390, ptr %a391, ptr %a392)
-  %t393 = load { ptr, i64, i64 }, ptr %a390
-  store { ptr, i64, i64 } %t393, ptr %a395
-  store { ptr, i64, i64 } { ptr @.str.2935, i64 38, i64 0 }, ptr %a396
-  call void @finch_str_concat(ptr %a394, ptr %a395, ptr %a396)
-  %t397 = load { ptr, i64, i64 }, ptr %a394
+ok4789:
+  %t385 = getelementptr inbounds %S.gen.Gen, ptr %t383, i32 0, i32 13
+  %t386 = getelementptr inbounds %S.gen.FnSig, ptr %t385, i32 0, i32 15
+  %t387 = load i64, ptr %a270
+  %t388 = load { ptr, i64, i64 }, ptr %t386
+  %t389 = extractvalue { ptr, i64, i64 } %t388, 1
+  %t390 = icmp uge i64 %t387, %t389
+  br i1 %t390, label %range4790, label %inrange4791
+range4790:
+  call void @finch_panic_index(ptr @.str.3015, i64 2144, i64 %t387, i64 %t389)
+  unreachable
+inrange4791:
+  %t391 = extractvalue { ptr, i64, i64 } %t388, 0
+  %t392 = getelementptr inbounds i1, ptr %t391, i64 %t387
+  %t393 = load i1, ptr %t392
+  %t394 = xor i1 %t393, true
+  br label %logic.rend4792
+logic.rend4792:
+  br label %logic.end4787
+logic.end4787:
+  %t395 = phi i1 [ false, %logic.from4785 ], [ %t394, %logic.rend4792 ]
+  %t396 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t358, %S.ast.Node %t366, { ptr, i64, i64 } %t377, %S.ast.Type %t378, { ptr, i64, i64 } %t379, i1 false, i1 %t395)
+  store { ptr, i64, i64 } %t396, ptr %a397
+  call void @finch_str_drop(ptr %a397)
   %t398 = load ptr, ptr %a1
   %t399 = icmp eq ptr %t398, null
-  br i1 %t399, label %panic4573, label %ok4574
-panic4573:
-  call void @finch_panic(ptr @.str.2936, i64 1995, ptr @.str.2937)
+  br i1 %t399, label %panic4793, label %ok4794
+panic4793:
+  call void @finch_panic(ptr @.str.3016, i64 2145, ptr @.str.3017)
   unreachable
-ok4574:
-  %t400 = getelementptr inbounds %S.gen.Gen, ptr %t398, i32 0, i32 12
-  %t401 = getelementptr inbounds %S.gen.FnSig, ptr %t400, i32 0, i32 12
-  %t402 = load %S.ast.Type, ptr %t401
-  %t403 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t402)
-  store { ptr, i64, i64 } %t397, ptr %a405
-  store { ptr, i64, i64 } %t403, ptr %a406
-  call void @finch_str_concat(ptr %a404, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  call void @finch.gen.fail(ptr %t386, %S.ast.Node %t387, { ptr, i64, i64 } %t407)
-  br label %endif4572
-endif4572:
-  %t408 = load ptr, ptr %a1
-  call void @finch.gen.runDefers(ptr %t408, i64 0)
-  %t409 = load ptr, ptr %a1
-  %t410 = icmp eq ptr %t409, null
-  br i1 %t410, label %panic4575, label %ok4576
-panic4575:
-  call void @finch_panic(ptr @.str.2938, i64 1998, ptr @.str.2939)
+ok4794:
+  %t400 = getelementptr inbounds %S.gen.Gen, ptr %t398, i32 0, i32 38
+  store i64 0, ptr %t400
+  call void @finch_str_drop(ptr %a318)
+  call void @finch.drop.S_ast_Type(ptr %a287)
+  br label %for.step4753
+for.step4753:
+  %t401 = load i64, ptr %a270
+  %t402 = add i64 %t401, 1
+  store i64 %t402, ptr %a270
+  br label %for.cond4751
+for.end4754:
+  %t403 = load ptr, ptr %a1
+  %t404 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 9
+  %t405 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 9
+  %t406 = getelementptr inbounds { ptr, i64, i64 }, ptr %t405, i32 0, i32 1
+  %t407 = load i64, ptr %t406
+  %t408 = sub i64 %t407, 1
+  %t409 = load { ptr, i64, i64 }, ptr %t404
+  %t410 = extractvalue { ptr, i64, i64 } %t409, 1
+  %t411 = icmp uge i64 %t408, %t410
+  br i1 %t411, label %range4795, label %inrange4796
+range4795:
+  call void @finch_panic_index(ptr @.str.3018, i64 2147, i64 %t408, i64 %t410)
   unreachable
-ok4576:
-  %t411 = getelementptr inbounds %S.gen.Gen, ptr %t409, i32 0, i32 12
-  %t412 = getelementptr inbounds %S.gen.FnSig, ptr %t411, i32 0, i32 9
-  %t413 = load i1, ptr %t412
-  br i1 %t413, label %then4577, label %else4578
-then4577:
-  %t414 = load ptr, ptr %a1
+inrange4796:
+  %t412 = extractvalue { ptr, i64, i64 } %t409, 0
+  %t413 = getelementptr inbounds %S.ast.Node, ptr %t412, i64 %t408
+  %t414 = load %S.ast.Node, ptr %t413
+  call void @finch.gen.block(ptr %t403, %S.ast.Node %t414, i1 false)
   %t415 = load ptr, ptr %a1
-  %t416 = load ptr, ptr %a1
-  %t417 = icmp eq ptr %t416, null
-  br i1 %t417, label %panic4580, label %ok4581
-panic4580:
-  call void @finch_panic(ptr @.str.2941, i64 1999, ptr @.str.2942)
+  %t416 = icmp eq ptr %t415, null
+  br i1 %t416, label %panic4797, label %ok4798
+panic4797:
+  call void @finch_panic(ptr @.str.3019, i64 2148, ptr @.str.3020)
   unreachable
-ok4581:
-  %t418 = getelementptr inbounds %S.gen.Gen, ptr %t416, i32 0, i32 12
-  %t419 = load %S.gen.FnSig, ptr %t418
-  %t420 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t415, %S.gen.FnSig %t419)
-  store { ptr, i64, i64 } { ptr @.str.2940, i64 4, i64 0 }, ptr %a422
-  store { ptr, i64, i64 } %t420, ptr %a423
-  call void @finch_str_concat(ptr %a421, ptr %a422, ptr %a423)
-  %t424 = load { ptr, i64, i64 }, ptr %a421
-  store { ptr, i64, i64 } %t424, ptr %a426
-  store { ptr, i64, i64 } { ptr @.str.2943, i64 53, i64 0 }, ptr %a427
-  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
-  %t428 = load { ptr, i64, i64 }, ptr %a425
-  call void @finch.gen.emit(ptr %t414, { ptr, i64, i64 } %t428)
-  br label %endif4579
-else4578:
-  %t429 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t429, { ptr, i64, i64 } { ptr @.str.2944, i64 8, i64 0 })
-  br label %endif4579
-endif4579:
-  br label %endif4567
-endif4567:
-  store { ptr, i64, i64 } { ptr @.str.2945, i64 0, i64 0 }, ptr %a430
-  %t431 = load i64, ptr %a134
-  %t432 = icmp sge i64 %t431, 0
-  br i1 %t432, label %then4582, label %endif4584
-then4582:
-  %t433 = load i64, ptr %a134
-  call void @finch_str_from_int(ptr %a434, i64 %t433)
-  %t435 = load { ptr, i64, i64 }, ptr %a434
-  store { ptr, i64, i64 } { ptr @.str.2946, i64 7, i64 0 }, ptr %a437
-  store { ptr, i64, i64 } %t435, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  store { ptr, i64, i64 } %t439, ptr %a430
-  br label %endif4584
-endif4584:
-  %t440 = load ptr, ptr %a1
-  %t441 = icmp eq ptr %t440, null
-  br i1 %t441, label %panic4585, label %ok4586
-panic4585:
-  call void @finch_panic(ptr @.str.2947, i64 2008, ptr @.str.2948)
+ok4798:
+  %t417 = getelementptr inbounds %S.gen.Gen, ptr %t415, i32 0, i32 9
+  %t418 = load i1, ptr %t417
+  %t419 = xor i1 %t418, true
+  br i1 %t419, label %then4799, label %endif4801
+then4799:
+  %t420 = load ptr, ptr %a1
+  %t421 = icmp eq ptr %t420, null
+  br i1 %t421, label %panic4802, label %ok4803
+panic4802:
+  call void @finch_panic(ptr @.str.3021, i64 2149, ptr @.str.3022)
   unreachable
-ok4586:
-  %t442 = getelementptr inbounds %S.gen.Gen, ptr %t440, i32 0, i32 34
-  store i64 -1, ptr %t442
+ok4803:
+  %t422 = getelementptr inbounds %S.gen.Gen, ptr %t420, i32 0, i32 13
+  %t423 = getelementptr inbounds %S.gen.FnSig, ptr %t422, i32 0, i32 12
+  %t424 = getelementptr inbounds %S.ast.Type, ptr %t423, i32 0, i32 0
+  %t425 = load { ptr, i64, i64 }, ptr %t424
+  store { ptr, i64, i64 } %t425, ptr %a426
+  store { ptr, i64, i64 } { ptr @.str.3023, i64 4, i64 0 }, ptr %a427
+  %t428 = call i32 @finch_str_eq(ptr %a426, ptr %a427)
+  %t429 = icmp eq i32 %t428, 0
+  br i1 %t429, label %then4804, label %endif4806
+then4804:
+  %t430 = load ptr, ptr %a1
+  %t431 = load %S.ast.Node, ptr %a119
+  %t432 = getelementptr inbounds %S.ast.Node, ptr %a119, i32 0, i32 1
+  %t433 = load { ptr, i64, i64 }, ptr %t432
+  store { ptr, i64, i64 } { ptr @.str.3024, i64 10, i64 0 }, ptr %a435
+  store { ptr, i64, i64 } %t433, ptr %a436
+  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
+  %t437 = load { ptr, i64, i64 }, ptr %a434
+  store { ptr, i64, i64 } %t437, ptr %a439
+  store { ptr, i64, i64 } { ptr @.str.3025, i64 38, i64 0 }, ptr %a440
+  call void @finch_str_concat(ptr %a438, ptr %a439, ptr %a440)
+  store { ptr, i64, i64 } %t437, ptr %a441
+  call void @finch_str_drop(ptr %a441)
+  %t442 = load { ptr, i64, i64 }, ptr %a438
   %t443 = load ptr, ptr %a1
   %t444 = icmp eq ptr %t443, null
-  br i1 %t444, label %panic4587, label %ok4588
-panic4587:
-  call void @finch_panic(ptr @.str.2949, i64 2009, ptr @.str.2950)
+  br i1 %t444, label %panic4807, label %ok4808
+panic4807:
+  call void @finch_panic(ptr @.str.3026, i64 2150, ptr @.str.3027)
   unreachable
-ok4588:
-  %t445 = getelementptr inbounds %S.gen.Gen, ptr %t443, i32 0, i32 3
-  %t446 = getelementptr inbounds { ptr, i64, i64 }, ptr %t445, i32 0, i32 1
-  %t447 = load ptr, ptr %a1
-  %t448 = load ptr, ptr %a1
-  %t449 = icmp eq ptr %t448, null
-  br i1 %t449, label %panic4589, label %ok4590
-panic4589:
-  call void @finch_panic(ptr @.str.2952, i64 2009, ptr @.str.2953)
+ok4808:
+  %t445 = getelementptr inbounds %S.gen.Gen, ptr %t443, i32 0, i32 13
+  %t446 = getelementptr inbounds %S.gen.FnSig, ptr %t445, i32 0, i32 12
+  %t447 = load %S.ast.Type, ptr %t446
+  %t448 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t447)
+  store { ptr, i64, i64 } %t442, ptr %a450
+  store { ptr, i64, i64 } %t448, ptr %a451
+  call void @finch_str_concat(ptr %a449, ptr %a450, ptr %a451)
+  store { ptr, i64, i64 } %t442, ptr %a452
+  call void @finch_str_drop(ptr %a452)
+  store { ptr, i64, i64 } %t448, ptr %a453
+  call void @finch_str_drop(ptr %a453)
+  %t454 = load { ptr, i64, i64 }, ptr %a449
+  call void @finch.gen.fail(ptr %t430, %S.ast.Node %t431, { ptr, i64, i64 } %t454)
+  store { ptr, i64, i64 } %t454, ptr %a455
+  call void @finch_str_drop(ptr %a455)
+  br label %endif4806
+endif4806:
+  %t456 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t456, i64 0)
+  %t457 = load ptr, ptr %a1
+  %t458 = icmp eq ptr %t457, null
+  br i1 %t458, label %panic4809, label %ok4810
+panic4809:
+  call void @finch_panic(ptr @.str.3028, i64 2153, ptr @.str.3029)
   unreachable
-ok4590:
-  %t450 = getelementptr inbounds %S.gen.Gen, ptr %t448, i32 0, i32 12
-  %t451 = load %S.gen.FnSig, ptr %t450
-  %t452 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t447, %S.gen.FnSig %t451)
-  store { ptr, i64, i64 } { ptr @.str.2951, i64 16, i64 0 }, ptr %a454
-  store { ptr, i64, i64 } %t452, ptr %a455
-  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
-  %t456 = load { ptr, i64, i64 }, ptr %a453
-  store { ptr, i64, i64 } %t456, ptr %a458
-  store { ptr, i64, i64 } { ptr @.str.2954, i64 1, i64 0 }, ptr %a459
-  call void @finch_str_concat(ptr %a457, ptr %a458, ptr %a459)
-  %t460 = load { ptr, i64, i64 }, ptr %a457
-  %t461 = load ptr, ptr %a1
-  %t462 = icmp eq ptr %t461, null
-  br i1 %t462, label %panic4591, label %ok4592
-panic4591:
-  call void @finch_panic(ptr @.str.2955, i64 2009, ptr @.str.2956)
+ok4810:
+  %t459 = getelementptr inbounds %S.gen.Gen, ptr %t457, i32 0, i32 13
+  %t460 = getelementptr inbounds %S.gen.FnSig, ptr %t459, i32 0, i32 9
+  %t461 = load i1, ptr %t460
+  br i1 %t461, label %then4811, label %else4812
+then4811:
+  %t462 = load ptr, ptr %a1
+  %t463 = load ptr, ptr %a1
+  %t464 = load ptr, ptr %a1
+  %t465 = icmp eq ptr %t464, null
+  br i1 %t465, label %panic4814, label %ok4815
+panic4814:
+  call void @finch_panic(ptr @.str.3031, i64 2154, ptr @.str.3032)
   unreachable
-ok4592:
-  %t463 = getelementptr inbounds %S.gen.Gen, ptr %t461, i32 0, i32 12
-  %t464 = getelementptr inbounds %S.gen.FnSig, ptr %t463, i32 0, i32 11
-  %t465 = load { ptr, i64, i64 }, ptr %t464
-  store { ptr, i64, i64 } %t460, ptr %a467
-  store { ptr, i64, i64 } %t465, ptr %a468
-  call void @finch_str_concat(ptr %a466, ptr %a467, ptr %a468)
-  %t469 = load { ptr, i64, i64 }, ptr %a466
-  store { ptr, i64, i64 } %t469, ptr %a471
-  store { ptr, i64, i64 } { ptr @.str.2957, i64 1, i64 0 }, ptr %a472
-  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
-  %t473 = load { ptr, i64, i64 }, ptr %a470
-  %t474 = getelementptr inbounds { ptr, i64, i64 }, ptr %a171, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2958, i64 2, i64 0 }, ptr %a475
-  call void @finch_str_join(ptr %a476, ptr %a171, ptr %a475)
-  %t477 = load { ptr, i64, i64 }, ptr %a476
-  store { ptr, i64, i64 } %t473, ptr %a479
-  store { ptr, i64, i64 } %t477, ptr %a480
-  call void @finch_str_concat(ptr %a478, ptr %a479, ptr %a480)
-  %t481 = load { ptr, i64, i64 }, ptr %a478
-  store { ptr, i64, i64 } %t481, ptr %a483
-  store { ptr, i64, i64 } { ptr @.str.2959, i64 1, i64 0 }, ptr %a484
-  call void @finch_str_concat(ptr %a482, ptr %a483, ptr %a484)
-  %t485 = load { ptr, i64, i64 }, ptr %a482
-  %t486 = load { ptr, i64, i64 }, ptr %a430
-  store { ptr, i64, i64 } %t485, ptr %a488
+ok4815:
+  %t466 = getelementptr inbounds %S.gen.Gen, ptr %t464, i32 0, i32 13
+  %t467 = load %S.gen.FnSig, ptr %t466
+  %t468 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t463, %S.gen.FnSig %t467)
+  store { ptr, i64, i64 } { ptr @.str.3030, i64 4, i64 0 }, ptr %a470
+  store { ptr, i64, i64 } %t468, ptr %a471
+  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
+  store { ptr, i64, i64 } %t468, ptr %a472
+  call void @finch_str_drop(ptr %a472)
+  %t473 = load { ptr, i64, i64 }, ptr %a469
+  store { ptr, i64, i64 } %t473, ptr %a475
+  store { ptr, i64, i64 } { ptr @.str.3033, i64 53, i64 0 }, ptr %a476
+  call void @finch_str_concat(ptr %a474, ptr %a475, ptr %a476)
+  store { ptr, i64, i64 } %t473, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  %t478 = load { ptr, i64, i64 }, ptr %a474
+  call void @finch.gen.emit(ptr %t462, { ptr, i64, i64 } %t478)
+  store { ptr, i64, i64 } %t478, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  br label %endif4813
+else4812:
+  %t480 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t480, { ptr, i64, i64 } { ptr @.str.3034, i64 8, i64 0 })
+  br label %endif4813
+endif4813:
+  br label %endif4801
+endif4801:
+  store { ptr, i64, i64 } { ptr @.str.3035, i64 0, i64 0 }, ptr %a481
+  %t482 = load i64, ptr %a151
+  %t483 = icmp sge i64 %t482, 0
+  br i1 %t483, label %then4816, label %endif4818
+then4816:
+  %t484 = load i64, ptr %a151
+  call void @finch_str_from_int(ptr %a485, i64 %t484)
+  %t486 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } { ptr @.str.3036, i64 7, i64 0 }, ptr %a488
   store { ptr, i64, i64 } %t486, ptr %a489
   call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  store { ptr, i64, i64 } %t490, ptr %a492
-  store { ptr, i64, i64 } { ptr @.str.2960, i64 10, i64 0 }, ptr %a493
-  call void @finch_str_concat(ptr %a491, ptr %a492, ptr %a493)
-  %t494 = load { ptr, i64, i64 }, ptr %a491
-  %t495 = load ptr, ptr %a1
-  %t496 = icmp eq ptr %t495, null
-  br i1 %t496, label %panic4593, label %ok4594
-panic4593:
-  call void @finch_panic(ptr @.str.2961, i64 2010, ptr @.str.2962)
+  store { ptr, i64, i64 } %t486, ptr %a490
+  call void @finch_str_drop(ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a487
+  %t492 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } %t491, ptr %a481
+  store { ptr, i64, i64 } %t492, ptr %a493
+  call void @finch_str_drop(ptr %a493)
+  br label %endif4818
+endif4818:
+  %t494 = load ptr, ptr %a1
+  %t495 = icmp eq ptr %t494, null
+  br i1 %t495, label %panic4819, label %ok4820
+panic4819:
+  call void @finch_panic(ptr @.str.3037, i64 2163, ptr @.str.3038)
   unreachable
-ok4594:
-  %t497 = getelementptr inbounds %S.gen.Gen, ptr %t495, i32 0, i32 5
-  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t497, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2963, i64 1, i64 0 }, ptr %a499
-  call void @finch_str_join(ptr %a500, ptr %t497, ptr %a499)
-  %t501 = load { ptr, i64, i64 }, ptr %a500
-  store { ptr, i64, i64 } %t494, ptr %a503
-  store { ptr, i64, i64 } %t501, ptr %a504
-  call void @finch_str_concat(ptr %a502, ptr %a503, ptr %a504)
-  %t505 = load { ptr, i64, i64 }, ptr %a502
-  store { ptr, i64, i64 } %t505, ptr %a507
-  store { ptr, i64, i64 } { ptr @.str.2964, i64 1, i64 0 }, ptr %a508
-  call void @finch_str_concat(ptr %a506, ptr %a507, ptr %a508)
-  %t509 = load { ptr, i64, i64 }, ptr %a506
-  %t510 = load ptr, ptr %a1
-  %t511 = icmp eq ptr %t510, null
-  br i1 %t511, label %panic4595, label %ok4596
-panic4595:
-  call void @finch_panic(ptr @.str.2965, i64 2010, ptr @.str.2966)
+ok4820:
+  %t496 = getelementptr inbounds %S.gen.Gen, ptr %t494, i32 0, i32 35
+  store i64 -1, ptr %t496
+  %t497 = load ptr, ptr %a1
+  %t498 = icmp eq ptr %t497, null
+  br i1 %t498, label %panic4821, label %ok4822
+panic4821:
+  call void @finch_panic(ptr @.str.3039, i64 2164, ptr @.str.3040)
   unreachable
-ok4596:
-  %t512 = getelementptr inbounds %S.gen.Gen, ptr %t510, i32 0, i32 4
-  %t513 = getelementptr inbounds { ptr, i64, i64 }, ptr %t512, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.2967, i64 1, i64 0 }, ptr %a514
-  call void @finch_str_join(ptr %a515, ptr %t512, ptr %a514)
-  %t516 = load { ptr, i64, i64 }, ptr %a515
-  store { ptr, i64, i64 } %t509, ptr %a518
-  store { ptr, i64, i64 } %t516, ptr %a519
-  call void @finch_str_concat(ptr %a517, ptr %a518, ptr %a519)
-  %t520 = load { ptr, i64, i64 }, ptr %a517
-  store { ptr, i64, i64 } %t520, ptr %a522
-  store { ptr, i64, i64 } { ptr @.str.2968, i64 3, i64 0 }, ptr %a523
-  call void @finch_str_concat(ptr %a521, ptr %a522, ptr %a523)
-  %t524 = load { ptr, i64, i64 }, ptr %a521
-  %t525 = load i64, ptr %t446
-  %t526 = add i64 %t525, 1
-  call void @finch_arr_reserve(ptr %t445, i64 %t526, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t527 = load ptr, ptr %t445
-  %t528 = getelementptr inbounds { ptr, i64, i64 }, ptr %t527, i64 %t525
-  store { ptr, i64, i64 } %t524, ptr %t528
-  store i64 %t526, ptr %t446
+ok4822:
+  %t499 = getelementptr inbounds %S.gen.Gen, ptr %t497, i32 0, i32 3
+  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t499, i32 0, i32 1
+  %t501 = load ptr, ptr %a1
+  %t502 = load ptr, ptr %a1
+  %t503 = icmp eq ptr %t502, null
+  br i1 %t503, label %panic4823, label %ok4824
+panic4823:
+  call void @finch_panic(ptr @.str.3042, i64 2164, ptr @.str.3043)
+  unreachable
+ok4824:
+  %t504 = getelementptr inbounds %S.gen.Gen, ptr %t502, i32 0, i32 13
+  %t505 = load %S.gen.FnSig, ptr %t504
+  %t506 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t501, %S.gen.FnSig %t505)
+  store { ptr, i64, i64 } { ptr @.str.3041, i64 16, i64 0 }, ptr %a508
+  store { ptr, i64, i64 } %t506, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  store { ptr, i64, i64 } %t511, ptr %a513
+  store { ptr, i64, i64 } { ptr @.str.3044, i64 1, i64 0 }, ptr %a514
+  call void @finch_str_concat(ptr %a512, ptr %a513, ptr %a514)
+  store { ptr, i64, i64 } %t511, ptr %a515
+  call void @finch_str_drop(ptr %a515)
+  %t516 = load { ptr, i64, i64 }, ptr %a512
+  %t517 = load ptr, ptr %a1
+  %t518 = icmp eq ptr %t517, null
+  br i1 %t518, label %panic4825, label %ok4826
+panic4825:
+  call void @finch_panic(ptr @.str.3045, i64 2164, ptr @.str.3046)
+  unreachable
+ok4826:
+  %t519 = getelementptr inbounds %S.gen.Gen, ptr %t517, i32 0, i32 13
+  %t520 = getelementptr inbounds %S.gen.FnSig, ptr %t519, i32 0, i32 11
+  %t521 = load { ptr, i64, i64 }, ptr %t520
+  store { ptr, i64, i64 } %t516, ptr %a523
+  store { ptr, i64, i64 } %t521, ptr %a524
+  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
+  store { ptr, i64, i64 } %t516, ptr %a525
+  call void @finch_str_drop(ptr %a525)
+  %t526 = load { ptr, i64, i64 }, ptr %a522
+  store { ptr, i64, i64 } %t526, ptr %a528
+  store { ptr, i64, i64 } { ptr @.str.3047, i64 1, i64 0 }, ptr %a529
+  call void @finch_str_concat(ptr %a527, ptr %a528, ptr %a529)
+  store { ptr, i64, i64 } %t526, ptr %a530
+  call void @finch_str_drop(ptr %a530)
+  %t531 = load { ptr, i64, i64 }, ptr %a527
+  %t532 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3048, i64 2, i64 0 }, ptr %a533
+  call void @finch_str_join(ptr %a534, ptr %a190, ptr %a533)
+  %t535 = load { ptr, i64, i64 }, ptr %a534
+  store { ptr, i64, i64 } %t531, ptr %a537
+  store { ptr, i64, i64 } %t535, ptr %a538
+  call void @finch_str_concat(ptr %a536, ptr %a537, ptr %a538)
+  store { ptr, i64, i64 } %t531, ptr %a539
+  call void @finch_str_drop(ptr %a539)
+  store { ptr, i64, i64 } %t535, ptr %a540
+  call void @finch_str_drop(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a536
+  store { ptr, i64, i64 } %t541, ptr %a543
+  store { ptr, i64, i64 } { ptr @.str.3049, i64 1, i64 0 }, ptr %a544
+  call void @finch_str_concat(ptr %a542, ptr %a543, ptr %a544)
+  store { ptr, i64, i64 } %t541, ptr %a545
+  call void @finch_str_drop(ptr %a545)
+  %t546 = load { ptr, i64, i64 }, ptr %a542
+  %t547 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } %t546, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  store { ptr, i64, i64 } %t546, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t552, ptr %a554
+  store { ptr, i64, i64 } { ptr @.str.3050, i64 10, i64 0 }, ptr %a555
+  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
+  store { ptr, i64, i64 } %t552, ptr %a556
+  call void @finch_str_drop(ptr %a556)
+  %t557 = load { ptr, i64, i64 }, ptr %a553
+  %t558 = load ptr, ptr %a1
+  %t559 = icmp eq ptr %t558, null
+  br i1 %t559, label %panic4827, label %ok4828
+panic4827:
+  call void @finch_panic(ptr @.str.3051, i64 2165, ptr @.str.3052)
+  unreachable
+ok4828:
+  %t560 = getelementptr inbounds %S.gen.Gen, ptr %t558, i32 0, i32 5
+  %t561 = getelementptr inbounds { ptr, i64, i64 }, ptr %t560, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3053, i64 1, i64 0 }, ptr %a562
+  call void @finch_str_join(ptr %a563, ptr %t560, ptr %a562)
+  %t564 = load { ptr, i64, i64 }, ptr %a563
+  store { ptr, i64, i64 } %t557, ptr %a566
+  store { ptr, i64, i64 } %t564, ptr %a567
+  call void @finch_str_concat(ptr %a565, ptr %a566, ptr %a567)
+  store { ptr, i64, i64 } %t557, ptr %a568
+  call void @finch_str_drop(ptr %a568)
+  store { ptr, i64, i64 } %t564, ptr %a569
+  call void @finch_str_drop(ptr %a569)
+  %t570 = load { ptr, i64, i64 }, ptr %a565
+  store { ptr, i64, i64 } %t570, ptr %a572
+  store { ptr, i64, i64 } { ptr @.str.3054, i64 1, i64 0 }, ptr %a573
+  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
+  store { ptr, i64, i64 } %t570, ptr %a574
+  call void @finch_str_drop(ptr %a574)
+  %t575 = load { ptr, i64, i64 }, ptr %a571
+  %t576 = load ptr, ptr %a1
+  %t577 = icmp eq ptr %t576, null
+  br i1 %t577, label %panic4829, label %ok4830
+panic4829:
+  call void @finch_panic(ptr @.str.3055, i64 2165, ptr @.str.3056)
+  unreachable
+ok4830:
+  %t578 = getelementptr inbounds %S.gen.Gen, ptr %t576, i32 0, i32 4
+  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %t578, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3057, i64 1, i64 0 }, ptr %a580
+  call void @finch_str_join(ptr %a581, ptr %t578, ptr %a580)
+  %t582 = load { ptr, i64, i64 }, ptr %a581
+  store { ptr, i64, i64 } %t575, ptr %a584
+  store { ptr, i64, i64 } %t582, ptr %a585
+  call void @finch_str_concat(ptr %a583, ptr %a584, ptr %a585)
+  store { ptr, i64, i64 } %t575, ptr %a586
+  call void @finch_str_drop(ptr %a586)
+  store { ptr, i64, i64 } %t582, ptr %a587
+  call void @finch_str_drop(ptr %a587)
+  %t588 = load { ptr, i64, i64 }, ptr %a583
+  store { ptr, i64, i64 } %t588, ptr %a590
+  store { ptr, i64, i64 } { ptr @.str.3058, i64 3, i64 0 }, ptr %a591
+  call void @finch_str_concat(ptr %a589, ptr %a590, ptr %a591)
+  store { ptr, i64, i64 } %t588, ptr %a592
+  call void @finch_str_drop(ptr %a592)
+  %t593 = load { ptr, i64, i64 }, ptr %a589
+  %t594 = load i64, ptr %t500
+  %t595 = add i64 %t594, 1
+  call void @finch_arr_reserve(ptr %t499, i64 %t595, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t596 = load ptr, ptr %t499
+  %t597 = getelementptr inbounds { ptr, i64, i64 }, ptr %t596, i64 %t594
+  store { ptr, i64, i64 } %t593, ptr %t597
+  store i64 %t595, ptr %t500
+  call void @finch_str_drop(ptr %a481)
+  call void @finch.drop.arr_str(ptr %a190)
+  call void @finch.drop.arr_S_gen_Scope(ptr %a179)
+  call void @finch.drop.arr_str(ptr %a120)
+  call void @finch.drop.S_ast_Node(ptr %a119)
   ret void
 }
 
@@ -42227,59 +49145,59 @@ entry:
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
   %t4 = load i1, ptr %a3
-  br i1 %t4, label %then4597, label %endif4599
-then4597:
+  br i1 %t4, label %then4831, label %endif4833
+then4831:
   %t5 = load ptr, ptr %a1
   call void @finch.gen.pushScope(ptr %t5)
-  br label %endif4599
-endif4599:
+  br label %endif4833
+endif4833:
   %t6 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   store i64 0, ptr %a7
-  br label %each.cond4600
-each.cond4600:
+  br label %each.cond4834
+each.cond4834:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load i64, ptr %a7
   %t11 = icmp slt i64 %t10, %t9
-  br i1 %t11, label %each.body4601, label %each.end4603
-each.body4601:
+  br i1 %t11, label %each.body4835, label %each.end4837
+each.body4835:
   %t12 = load ptr, ptr %t6
   %t13 = getelementptr inbounds %S.ast.Node, ptr %t12, i64 %t10
   %t14 = load %S.ast.Node, ptr %t13
   store %S.ast.Node %t14, ptr %a15
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic4604, label %ok4605
-panic4604:
-  call void @finch_panic(ptr @.str.2969, i64 2020, ptr @.str.2970)
+  br i1 %t17, label %panic4838, label %ok4839
+panic4838:
+  call void @finch_panic(ptr @.str.3059, i64 2175, ptr @.str.3060)
   unreachable
-ok4605:
+ok4839:
   %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 9
   %t19 = load i1, ptr %t18
-  br i1 %t19, label %then4606, label %endif4608
-then4606:
+  br i1 %t19, label %then4840, label %endif4842
+then4840:
   %t20 = load ptr, ptr %a1
   %t21 = load %S.ast.Node, ptr %a15
-  call void @finch.gen.fail(ptr %t20, %S.ast.Node %t21, { ptr, i64, i64 } { ptr @.str.2971, i64 66, i64 0 })
-  br label %endif4608
-endif4608:
+  call void @finch.gen.fail(ptr %t20, %S.ast.Node %t21, { ptr, i64, i64 } { ptr @.str.3061, i64 66, i64 0 })
+  br label %endif4842
+endif4842:
   %t22 = load ptr, ptr %a1
   %t23 = load %S.ast.Node, ptr %a15
   call void @finch.gen.stmt(ptr %t22, %S.ast.Node %t23)
-  br label %each.step4602
-each.step4602:
+  br label %each.step4836
+each.step4836:
   %t24 = load i64, ptr %a7
   %t25 = add i64 %t24, 1
   store i64 %t25, ptr %a7
-  br label %each.cond4600
-each.end4603:
+  br label %each.cond4834
+each.end4837:
   %t26 = load i1, ptr %a3
-  br i1 %t26, label %then4609, label %endif4611
-then4609:
+  br i1 %t26, label %then4843, label %endif4845
+then4843:
   %t27 = load ptr, ptr %a1
   call void @finch.gen.endScope(ptr %t27)
-  br label %endif4611
-endif4611:
+  br label %endif4845
+endif4845:
   ret void
 }
 
@@ -42297,6 +49215,16 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.S_gen_Loop(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Loop, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Loop, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
+}
+
 define internal void @finch.gen.stmt(ptr %p0, %S.ast.Node %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -42314,64 +49242,70 @@ entry:
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca i64, align 16
-  %a155 = alloca %S.ast.Node, align 16
-  %a156 = alloca %S.ast.Node, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca %S.gen.Loop, align 16
-  %a233 = alloca %S.gen.Loop, align 16
-  %a235 = alloca %S.gen.Loop, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca %S.gen.Val, align 16
+  %a78 = alloca %S.gen.Val, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca %S.gen.Val, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca i64, align 16
+  %a189 = alloca %S.ast.Node, align 16
+  %a190 = alloca %S.ast.Node, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca %S.gen.Loop, align 16
+  %a269 = alloca %S.gen.Loop, align 16
+  %a271 = alloca %S.gen.Loop, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
   %t4 = load i64, ptr %t3
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic4612, label %ok4613
-panic4612:
-  call void @finch_panic(ptr @.str.2972, i64 2031, ptr @.str.2973)
+  br i1 %t6, label %panic4846, label %ok4847
+panic4846:
+  call void @finch_panic(ptr @.str.3062, i64 2186, ptr @.str.3063)
   unreachable
-ok4613:
-  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 35
+ok4847:
+  %t7 = getelementptr inbounds %S.gen.Gen, ptr %t5, i32 0, i32 36
   store i64 %t4, ptr %t7
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
   %t9 = load i64, ptr %t8
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic4614, label %ok4615
-panic4614:
-  call void @finch_panic(ptr @.str.2974, i64 2032, ptr @.str.2975)
+  br i1 %t11, label %panic4848, label %ok4849
+panic4848:
+  call void @finch_panic(ptr @.str.3064, i64 2187, ptr @.str.3065)
   unreachable
-ok4615:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 36
+ok4849:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 37
   store i64 %t9, ptr %t12
   %t13 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t14 = load { ptr, i64, i64 }, ptr %t13
@@ -42381,447 +49315,521 @@ ok4615:
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.2976, i64 5, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.3066, i64 5, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br i1 %t23, label %then4616, label %else4617
-then4616:
+  br i1 %t23, label %then4850, label %else4851
+then4850:
   %t24 = load ptr, ptr %a1
   %t25 = load %S.ast.Node, ptr %a2
   call void @finch.gen.block(ptr %t24, %S.ast.Node %t25, i1 true)
-  br label %endif4618
-else4617:
+  br label %endif4852
+else4851:
   %t26 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.2977, i64 4, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.3067, i64 4, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br i1 %t30, label %then4619, label %else4620
-then4619:
+  br i1 %t30, label %then4853, label %else4854
+then4853:
   %t31 = load ptr, ptr %a1
   %t32 = load %S.ast.Node, ptr %a2
   call void @finch.gen.declStmt(ptr %t31, %S.ast.Node %t32)
-  br label %endif4621
-else4620:
+  br label %endif4855
+else4854:
   %t33 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.2978, i64 6, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3068, i64 6, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then4622, label %else4623
-then4622:
+  br i1 %t37, label %then4856, label %else4857
+then4856:
   %t38 = load ptr, ptr %a1
   %t39 = load %S.ast.Node, ptr %a2
   call void @finch.gen.assignStmt(ptr %t38, %S.ast.Node %t39)
-  br label %endif4624
-else4623:
+  br label %endif4858
+else4857:
   %t40 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t40, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.2979, i64 4, i64 0 }, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.3069, i64 4, i64 0 }, ptr %a42
   %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
   %t44 = icmp ne i32 %t43, 0
-  br i1 %t44, label %then4625, label %else4626
-then4625:
+  br i1 %t44, label %then4859, label %else4860
+then4859:
   %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t46 = load { ptr, i64, i64 }, ptr %t45
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 0, %t47
-  br i1 %t48, label %range4628, label %inrange4629
-range4628:
-  call void @finch_panic_index(ptr @.str.2980, i64 2041, i64 0, i64 %t47)
+  br i1 %t48, label %range4862, label %inrange4863
+range4862:
+  call void @finch_panic_index(ptr @.str.3070, i64 2196, i64 0, i64 %t47)
   unreachable
-inrange4629:
+inrange4863:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 0
   %t51 = getelementptr inbounds %S.ast.Node, ptr %t50, i32 0, i32 0
   %t52 = load { ptr, i64, i64 }, ptr %t51
   store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.2981, i64 2, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.3071, i64 2, i64 0 }, ptr %a54
   %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
   %t56 = icmp ne i32 %t55, 0
-  br i1 %t56, label %then4630, label %else4631
-then4630:
+  br i1 %t56, label %then4864, label %else4865
+then4864:
   %t57 = load ptr, ptr %a1
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = extractvalue { ptr, i64, i64 } %t59, 1
-  %t61 = icmp uge i64 0, %t60
-  br i1 %t61, label %range4633, label %inrange4634
-range4633:
-  call void @finch_panic_index(ptr @.str.2982, i64 2042, i64 0, i64 %t60)
+  %t58 = load ptr, ptr %a1
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  %t61 = extractvalue { ptr, i64, i64 } %t60, 1
+  %t62 = icmp uge i64 0, %t61
+  br i1 %t62, label %range4867, label %inrange4868
+range4867:
+  call void @finch_panic_index(ptr @.str.3072, i64 2197, i64 0, i64 %t61)
   unreachable
-inrange4634:
-  %t62 = extractvalue { ptr, i64, i64 } %t59, 0
-  %t63 = getelementptr inbounds %S.ast.Node, ptr %t62, i64 0
-  %t64 = load %S.ast.Node, ptr %t63
-  %t65 = call %S.gen.Val @finch.gen.orElse(ptr %t57, %S.ast.Node %t64, i1 true)
-  br label %endif4632
-else4631:
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t68 = load { ptr, i64, i64 }, ptr %t67
-  %t69 = extractvalue { ptr, i64, i64 } %t68, 1
-  %t70 = icmp uge i64 0, %t69
-  br i1 %t70, label %range4635, label %inrange4636
-range4635:
-  call void @finch_panic_index(ptr @.str.2983, i64 2044, i64 0, i64 %t69)
+inrange4868:
+  %t63 = extractvalue { ptr, i64, i64 } %t60, 0
+  %t64 = getelementptr inbounds %S.ast.Node, ptr %t63, i64 0
+  %t65 = load %S.ast.Node, ptr %t64
+  %t66 = call %S.gen.Val @finch.gen.orElse(ptr %t58, %S.ast.Node %t65, i1 true)
+  call void @finch.gen.release(ptr %t57, %S.gen.Val %t66)
+  store %S.gen.Val %t66, ptr %a67
+  call void @finch.drop.S_gen_Val(ptr %a67)
+  br label %endif4866
+else4865:
+  %t68 = load ptr, ptr %a1
+  %t69 = load ptr, ptr %a1
+  %t70 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
+  %t73 = icmp uge i64 0, %t72
+  br i1 %t73, label %range4869, label %inrange4870
+range4869:
+  call void @finch_panic_index(ptr @.str.3073, i64 2199, i64 0, i64 %t72)
   unreachable
-inrange4636:
-  %t71 = extractvalue { ptr, i64, i64 } %t68, 0
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %t71, i64 0
-  %t73 = load %S.ast.Node, ptr %t72
-  %t74 = call %S.gen.Val @finch.gen.expr(ptr %t66, %S.ast.Node %t73)
-  br label %endif4632
-endif4632:
-  br label %endif4627
-else4626:
-  %t75 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.2984, i64 5, i64 0 }, ptr %a77
-  %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
-  %t79 = icmp ne i32 %t78, 0
-  br i1 %t79, label %then4637, label %else4638
-then4637:
-  %t80 = load ptr, ptr %a1
-  %t81 = load %S.ast.Node, ptr %a2
-  %t82 = call %S.gen.Val @finch.gen.matchGen(ptr %t80, %S.ast.Node %t81, i1 false)
-  br label %endif4639
-else4638:
-  %t83 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t83, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.2985, i64 2, i64 0 }, ptr %a85
-  %t86 = call i32 @finch_str_eq(ptr %a84, ptr %a85)
-  %t87 = icmp ne i32 %t86, 0
-  br i1 %t87, label %then4640, label %else4641
-then4640:
-  %t88 = load ptr, ptr %a1
-  %t89 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.ifStmt(ptr %t88, %S.ast.Node %t89)
-  br label %endif4642
-else4641:
-  %t90 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.2986, i64 5, i64 0 }, ptr %a92
-  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
-  %t94 = icmp ne i32 %t93, 0
-  br i1 %t94, label %then4643, label %else4644
-then4643:
-  %t95 = load ptr, ptr %a1
-  %t96 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.whileStmt(ptr %t95, %S.ast.Node %t96)
-  br label %endif4645
-else4644:
-  %t97 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t97, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.2987, i64 3, i64 0 }, ptr %a99
-  %t100 = call i32 @finch_str_eq(ptr %a98, ptr %a99)
-  %t101 = icmp ne i32 %t100, 0
-  br i1 %t101, label %then4646, label %else4647
-then4646:
-  %t102 = load ptr, ptr %a1
-  %t103 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.forStmt(ptr %t102, %S.ast.Node %t103)
-  br label %endif4648
-else4647:
-  %t104 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t104, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.2988, i64 4, i64 0 }, ptr %a106
-  %t107 = call i32 @finch_str_eq(ptr %a105, ptr %a106)
-  %t108 = icmp ne i32 %t107, 0
-  br i1 %t108, label %then4649, label %else4650
-then4649:
-  %t109 = load ptr, ptr %a1
-  %t110 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.eachStmt(ptr %t109, %S.ast.Node %t110)
-  br label %endif4651
-else4650:
-  %t111 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.2989, i64 6, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br i1 %t115, label %then4652, label %else4653
-then4652:
-  %t116 = load ptr, ptr %a1
-  %t117 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.returnStmt(ptr %t116, %S.ast.Node %t117)
-  br label %endif4654
-else4653:
-  %t118 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t118, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.2990, i64 5, i64 0 }, ptr %a120
-  %t121 = call i32 @finch_str_eq(ptr %a119, ptr %a120)
-  %t122 = icmp ne i32 %t121, 0
-  br i1 %t122, label %then4655, label %else4656
-then4655:
-  %t123 = load ptr, ptr %a1
-  %t124 = icmp eq ptr %t123, null
-  br i1 %t124, label %panic4658, label %ok4659
-panic4658:
-  call void @finch_panic(ptr @.str.2991, i64 2059, ptr @.str.2992)
-  unreachable
-ok4659:
-  %t125 = getelementptr inbounds %S.gen.Gen, ptr %t123, i32 0, i32 44
-  %t126 = load i64, ptr %t125
-  %t127 = icmp sgt i64 %t126, 0
-  br i1 %t127, label %then4660, label %endif4662
-then4660:
+inrange4870:
+  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 0
+  %t76 = load %S.ast.Node, ptr %t75
+  %t77 = call %S.gen.Val @finch.gen.expr(ptr %t69, %S.ast.Node %t76)
+  call void @finch.gen.release(ptr %t68, %S.gen.Val %t77)
+  store %S.gen.Val %t77, ptr %a78
+  call void @finch.drop.S_gen_Val(ptr %a78)
+  br label %endif4866
+endif4866:
+  br label %endif4861
+else4860:
+  %t79 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t79, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.3074, i64 5, i64 0 }, ptr %a81
+  %t82 = call i32 @finch_str_eq(ptr %a80, ptr %a81)
+  %t83 = icmp ne i32 %t82, 0
+  br i1 %t83, label %then4871, label %else4872
+then4871:
+  %t84 = load ptr, ptr %a1
+  %t85 = load %S.ast.Node, ptr %a2
+  %t86 = call %S.gen.Val @finch.gen.matchGen(ptr %t84, %S.ast.Node %t85, i1 false)
+  store %S.gen.Val %t86, ptr %a87
+  call void @finch.drop.S_gen_Val(ptr %a87)
+  br label %endif4873
+else4872:
+  %t88 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t88, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.3075, i64 2, i64 0 }, ptr %a90
+  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
+  %t92 = icmp ne i32 %t91, 0
+  br i1 %t92, label %then4874, label %else4875
+then4874:
+  %t93 = load ptr, ptr %a1
+  %t94 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.ifStmt(ptr %t93, %S.ast.Node %t94)
+  br label %endif4876
+else4875:
+  %t95 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.3076, i64 5, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br i1 %t99, label %then4877, label %else4878
+then4877:
+  %t100 = load ptr, ptr %a1
+  %t101 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.whileStmt(ptr %t100, %S.ast.Node %t101)
+  br label %endif4879
+else4878:
+  %t102 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.3077, i64 3, i64 0 }, ptr %a104
+  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
+  %t106 = icmp ne i32 %t105, 0
+  br i1 %t106, label %then4880, label %else4881
+then4880:
+  %t107 = load ptr, ptr %a1
+  %t108 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.forStmt(ptr %t107, %S.ast.Node %t108)
+  br label %endif4882
+else4881:
+  %t109 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t109, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.3078, i64 4, i64 0 }, ptr %a111
+  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
+  %t113 = icmp ne i32 %t112, 0
+  br i1 %t113, label %then4883, label %else4884
+then4883:
+  %t114 = load ptr, ptr %a1
+  %t115 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.eachStmt(ptr %t114, %S.ast.Node %t115)
+  br label %endif4885
+else4884:
+  %t116 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t116, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.3079, i64 6, i64 0 }, ptr %a118
+  %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
+  %t120 = icmp ne i32 %t119, 0
+  br i1 %t120, label %then4886, label %else4887
+then4886:
+  %t121 = load ptr, ptr %a1
+  %t122 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.returnStmt(ptr %t121, %S.ast.Node %t122)
+  br label %endif4888
+else4887:
+  %t123 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t123, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.3080, i64 5, i64 0 }, ptr %a125
+  %t126 = call i32 @finch_str_eq(ptr %a124, ptr %a125)
+  %t127 = icmp ne i32 %t126, 0
+  br i1 %t127, label %then4889, label %else4890
+then4889:
   %t128 = load ptr, ptr %a1
-  %t129 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t128, %S.ast.Node %t129, { ptr, i64, i64 } { ptr @.str.2993, i64 33, i64 0 })
-  br label %endif4662
-endif4662:
-  %t130 = load ptr, ptr %a1
-  %t131 = icmp eq ptr %t130, null
-  br i1 %t131, label %panic4663, label %ok4664
-panic4663:
-  call void @finch_panic(ptr @.str.2994, i64 2062, ptr @.str.2995)
+  %t129 = icmp eq ptr %t128, null
+  br i1 %t129, label %panic4892, label %ok4893
+panic4892:
+  call void @finch_panic(ptr @.str.3081, i64 2214, ptr @.str.3082)
   unreachable
-ok4664:
-  %t132 = getelementptr inbounds %S.gen.Gen, ptr %t130, i32 0, i32 10
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t132, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  %t135 = sub i64 %t134, 1
-  store i64 %t135, ptr %a136
-  %t137 = load ptr, ptr %a1
-  %t138 = icmp eq ptr %t137, null
-  br i1 %t138, label %panic4665, label %ok4666
-panic4665:
-  call void @finch_panic(ptr @.str.2996, i64 2063, ptr @.str.2997)
+ok4893:
+  %t130 = getelementptr inbounds %S.gen.Gen, ptr %t128, i32 0, i32 45
+  %t131 = load i64, ptr %t130
+  %t132 = icmp sgt i64 %t131, 0
+  br i1 %t132, label %then4894, label %endif4896
+then4894:
+  %t133 = load ptr, ptr %a1
+  %t134 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t133, %S.ast.Node %t134, { ptr, i64, i64 } { ptr @.str.3083, i64 33, i64 0 })
+  br label %endif4896
+endif4896:
+  %t135 = load ptr, ptr %a1
+  %t136 = icmp eq ptr %t135, null
+  br i1 %t136, label %panic4897, label %ok4898
+panic4897:
+  call void @finch_panic(ptr @.str.3084, i64 2217, ptr @.str.3085)
   unreachable
-ok4666:
-  %t139 = getelementptr inbounds %S.gen.Gen, ptr %t137, i32 0, i32 10
-  %t140 = load i64, ptr %a136
-  %t141 = load { ptr, i64, i64 }, ptr %t139
-  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
-  %t143 = icmp uge i64 %t140, %t142
-  br i1 %t143, label %range4667, label %inrange4668
-range4667:
-  call void @finch_panic_index(ptr @.str.2998, i64 2063, i64 %t140, i64 %t142)
+ok4898:
+  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 10
+  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
+  %t139 = load i64, ptr %t138
+  %t140 = sub i64 %t139, 1
+  store i64 %t140, ptr %a141
+  %t142 = load ptr, ptr %a1
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic4899, label %ok4900
+panic4899:
+  call void @finch_panic(ptr @.str.3086, i64 2218, ptr @.str.3087)
   unreachable
-inrange4668:
-  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
-  %t145 = getelementptr inbounds %S.gen.Scope, ptr %t144, i64 %t140
-  %t146 = getelementptr inbounds %S.gen.Scope, ptr %t145, i32 0, i32 1
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i32 0, i32 1
-  %t148 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t149 = load { ptr, i64, i64 }, ptr %t148
-  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
-  %t151 = icmp uge i64 0, %t150
-  br i1 %t151, label %range4669, label %inrange4670
-range4669:
-  call void @finch_panic_index(ptr @.str.2999, i64 2063, i64 0, i64 %t150)
+ok4900:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 10
+  %t145 = load i64, ptr %a141
+  %t146 = load { ptr, i64, i64 }, ptr %t144
+  %t147 = extractvalue { ptr, i64, i64 } %t146, 1
+  %t148 = icmp uge i64 %t145, %t147
+  br i1 %t148, label %range4901, label %inrange4902
+range4901:
+  call void @finch_panic_index(ptr @.str.3088, i64 2218, i64 %t145, i64 %t147)
   unreachable
-inrange4670:
-  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
-  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 0
-  %t154 = load %S.ast.Node, ptr %t153
-  store %S.ast.Node %t154, ptr %a155
-  call void @finch.copy.S_ast_Node(ptr %a156, ptr %a155)
-  %t157 = load %S.ast.Node, ptr %a156
-  %t158 = load i64, ptr %t147
-  %t159 = add i64 %t158, 1
-  call void @finch_arr_reserve(ptr %t146, i64 %t159, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t160 = load ptr, ptr %t146
-  %t161 = getelementptr inbounds %S.ast.Node, ptr %t160, i64 %t158
-  store %S.ast.Node %t157, ptr %t161
-  store i64 %t159, ptr %t147
-  %t162 = load ptr, ptr %a1
-  %t163 = icmp eq ptr %t162, null
-  br i1 %t163, label %panic4671, label %ok4672
-panic4671:
-  call void @finch_panic(ptr @.str.3000, i64 2064, ptr @.str.3001)
+inrange4902:
+  %t149 = extractvalue { ptr, i64, i64 } %t146, 0
+  %t150 = getelementptr inbounds %S.gen.Scope, ptr %t149, i64 %t145
+  %t151 = getelementptr inbounds %S.gen.Scope, ptr %t150, i32 0, i32 3
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = insertvalue %S.gen.Cleanup zeroinitializer, i1 true, 0
+  %t154 = load ptr, ptr %a1
+  %t155 = icmp eq ptr %t154, null
+  br i1 %t155, label %panic4903, label %ok4904
+panic4903:
+  call void @finch_panic(ptr @.str.3089, i64 2218, ptr @.str.3090)
   unreachable
-ok4672:
-  %t164 = getelementptr inbounds %S.gen.Gen, ptr %t162, i32 0, i32 10
-  %t165 = load i64, ptr %a136
-  %t166 = load { ptr, i64, i64 }, ptr %t164
-  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
-  %t168 = icmp uge i64 %t165, %t167
-  br i1 %t168, label %range4673, label %inrange4674
-range4673:
-  call void @finch_panic_index(ptr @.str.3002, i64 2064, i64 %t165, i64 %t167)
+ok4904:
+  %t156 = getelementptr inbounds %S.gen.Gen, ptr %t154, i32 0, i32 10
+  %t157 = load i64, ptr %a141
+  %t158 = load { ptr, i64, i64 }, ptr %t156
+  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
+  %t160 = icmp uge i64 %t157, %t159
+  br i1 %t160, label %range4905, label %inrange4906
+range4905:
+  call void @finch_panic_index(ptr @.str.3091, i64 2218, i64 %t157, i64 %t159)
   unreachable
-inrange4674:
-  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
-  %t170 = getelementptr inbounds %S.gen.Scope, ptr %t169, i64 %t165
-  %t171 = getelementptr inbounds %S.gen.Scope, ptr %t170, i32 0, i32 2
-  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %t171, i32 0, i32 1
-  %t173 = load ptr, ptr %a1
-  %t174 = icmp eq ptr %t173, null
-  br i1 %t174, label %panic4675, label %ok4676
-panic4675:
-  call void @finch_panic(ptr @.str.3003, i64 2064, ptr @.str.3004)
+inrange4906:
+  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
+  %t162 = getelementptr inbounds %S.gen.Scope, ptr %t161, i64 %t157
+  %t163 = getelementptr inbounds %S.gen.Scope, ptr %t162, i32 0, i32 1
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i32 0, i32 1
+  %t165 = load i64, ptr %t164
+  %t166 = insertvalue %S.gen.Cleanup %t153, i64 %t165, 1
+  %t167 = load i64, ptr %t152
+  %t168 = add i64 %t167, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t168, i64 ptrtoint (ptr getelementptr (%S.gen.Cleanup, ptr null, i32 1) to i64))
+  %t169 = load ptr, ptr %t151
+  %t170 = getelementptr inbounds %S.gen.Cleanup, ptr %t169, i64 %t167
+  store %S.gen.Cleanup %t166, ptr %t170
+  store i64 %t168, ptr %t152
+  %t171 = load ptr, ptr %a1
+  %t172 = icmp eq ptr %t171, null
+  br i1 %t172, label %panic4907, label %ok4908
+panic4907:
+  call void @finch_panic(ptr @.str.3092, i64 2219, ptr @.str.3093)
   unreachable
-ok4676:
-  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 23
-  %t176 = load i64, ptr %t175
-  %t177 = load i64, ptr %t172
-  %t178 = add i64 %t177, 1
-  call void @finch_arr_reserve(ptr %t171, i64 %t178, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t179 = load ptr, ptr %t171
-  %t180 = getelementptr inbounds i64, ptr %t179, i64 %t177
-  store i64 %t176, ptr %t180
-  store i64 %t178, ptr %t172
-  br label %endif4657
-else4656:
-  %t181 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t181, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.3005, i64 5, i64 0 }, ptr %a183
-  %t184 = call i32 @finch_str_eq(ptr %a182, ptr %a183)
-  %t185 = icmp ne i32 %t184, 0
-  br label %logic.from4677
-logic.from4677:
-  br i1 %t185, label %logic.end4679, label %logic.rhs4678
-logic.rhs4678:
-  %t186 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t186, ptr %a187
-  store { ptr, i64, i64 } { ptr @.str.3006, i64 8, i64 0 }, ptr %a188
-  %t189 = call i32 @finch_str_eq(ptr %a187, ptr %a188)
-  %t190 = icmp ne i32 %t189, 0
-  br label %logic.rend4680
-logic.rend4680:
-  br label %logic.end4679
-logic.end4679:
-  %t191 = phi i1 [ true, %logic.from4677 ], [ %t190, %logic.rend4680 ]
-  br i1 %t191, label %then4681, label %else4682
-then4681:
-  %t192 = load ptr, ptr %a1
-  %t193 = icmp eq ptr %t192, null
-  br i1 %t193, label %panic4684, label %ok4685
-panic4684:
-  call void @finch_panic(ptr @.str.3007, i64 2066, ptr @.str.3008)
+ok4908:
+  %t173 = getelementptr inbounds %S.gen.Gen, ptr %t171, i32 0, i32 10
+  %t174 = load i64, ptr %a141
+  %t175 = load { ptr, i64, i64 }, ptr %t173
+  %t176 = extractvalue { ptr, i64, i64 } %t175, 1
+  %t177 = icmp uge i64 %t174, %t176
+  br i1 %t177, label %range4909, label %inrange4910
+range4909:
+  call void @finch_panic_index(ptr @.str.3094, i64 2219, i64 %t174, i64 %t176)
   unreachable
-ok4685:
-  %t194 = getelementptr inbounds %S.gen.Gen, ptr %t192, i32 0, i32 44
-  %t195 = load i64, ptr %t194
-  %t196 = icmp sgt i64 %t195, 0
-  br i1 %t196, label %then4686, label %endif4688
-then4686:
-  %t197 = load ptr, ptr %a1
-  %t198 = load %S.ast.Node, ptr %a2
-  %t199 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.3009, i64 27, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  call void @finch.gen.fail(ptr %t197, %S.ast.Node %t198, { ptr, i64, i64 } %t203)
-  br label %endif4688
-endif4688:
-  %t204 = load ptr, ptr %a1
-  %t205 = icmp eq ptr %t204, null
-  br i1 %t205, label %panic4689, label %ok4690
-panic4689:
-  call void @finch_panic(ptr @.str.3010, i64 2069, ptr @.str.3011)
+inrange4910:
+  %t178 = extractvalue { ptr, i64, i64 } %t175, 0
+  %t179 = getelementptr inbounds %S.gen.Scope, ptr %t178, i64 %t174
+  %t180 = getelementptr inbounds %S.gen.Scope, ptr %t179, i32 0, i32 1
+  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t180, i32 0, i32 1
+  %t182 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t183 = load { ptr, i64, i64 }, ptr %t182
+  %t184 = extractvalue { ptr, i64, i64 } %t183, 1
+  %t185 = icmp uge i64 0, %t184
+  br i1 %t185, label %range4911, label %inrange4912
+range4911:
+  call void @finch_panic_index(ptr @.str.3095, i64 2219, i64 0, i64 %t184)
   unreachable
-ok4690:
-  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 11
-  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
-  %t208 = load i64, ptr %t207
-  %t209 = icmp eq i64 %t208, 0
-  br i1 %t209, label %then4691, label %endif4693
-then4691:
-  %t210 = load ptr, ptr %a1
-  %t211 = load %S.ast.Node, ptr %a2
-  %t212 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t212, ptr %a214
-  store { ptr, i64, i64 } { ptr @.str.3012, i64 31, i64 0 }, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  call void @finch.gen.fail(ptr %t210, %S.ast.Node %t211, { ptr, i64, i64 } %t216)
-  br label %endif4693
-endif4693:
-  %t217 = load ptr, ptr %a1
-  %t218 = icmp eq ptr %t217, null
-  br i1 %t218, label %panic4694, label %ok4695
-panic4694:
-  call void @finch_panic(ptr @.str.3013, i64 2072, ptr @.str.3014)
+inrange4912:
+  %t186 = extractvalue { ptr, i64, i64 } %t183, 0
+  %t187 = getelementptr inbounds %S.ast.Node, ptr %t186, i64 0
+  %t188 = load %S.ast.Node, ptr %t187
+  store %S.ast.Node %t188, ptr %a189
+  call void @finch.copy.S_ast_Node(ptr %a190, ptr %a189)
+  %t191 = load %S.ast.Node, ptr %a190
+  %t192 = load i64, ptr %t181
+  %t193 = add i64 %t192, 1
+  call void @finch_arr_reserve(ptr %t180, i64 %t193, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t194 = load ptr, ptr %t180
+  %t195 = getelementptr inbounds %S.ast.Node, ptr %t194, i64 %t192
+  store %S.ast.Node %t191, ptr %t195
+  store i64 %t193, ptr %t181
+  %t196 = load ptr, ptr %a1
+  %t197 = icmp eq ptr %t196, null
+  br i1 %t197, label %panic4913, label %ok4914
+panic4913:
+  call void @finch_panic(ptr @.str.3096, i64 2220, ptr @.str.3097)
   unreachable
-ok4695:
-  %t219 = getelementptr inbounds %S.gen.Gen, ptr %t217, i32 0, i32 11
-  %t220 = load ptr, ptr %a1
-  %t221 = icmp eq ptr %t220, null
-  br i1 %t221, label %panic4696, label %ok4697
-panic4696:
-  call void @finch_panic(ptr @.str.3015, i64 2072, ptr @.str.3016)
+ok4914:
+  %t198 = getelementptr inbounds %S.gen.Gen, ptr %t196, i32 0, i32 10
+  %t199 = load i64, ptr %a141
+  %t200 = load { ptr, i64, i64 }, ptr %t198
+  %t201 = extractvalue { ptr, i64, i64 } %t200, 1
+  %t202 = icmp uge i64 %t199, %t201
+  br i1 %t202, label %range4915, label %inrange4916
+range4915:
+  call void @finch_panic_index(ptr @.str.3098, i64 2220, i64 %t199, i64 %t201)
   unreachable
-ok4697:
-  %t222 = getelementptr inbounds %S.gen.Gen, ptr %t220, i32 0, i32 11
-  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i32 0, i32 1
-  %t224 = load i64, ptr %t223
-  %t225 = sub i64 %t224, 1
-  %t226 = load { ptr, i64, i64 }, ptr %t219
-  %t227 = extractvalue { ptr, i64, i64 } %t226, 1
-  %t228 = icmp uge i64 %t225, %t227
-  br i1 %t228, label %range4698, label %inrange4699
-range4698:
-  call void @finch_panic_index(ptr @.str.3017, i64 2072, i64 %t225, i64 %t227)
+inrange4916:
+  %t203 = extractvalue { ptr, i64, i64 } %t200, 0
+  %t204 = getelementptr inbounds %S.gen.Scope, ptr %t203, i64 %t199
+  %t205 = getelementptr inbounds %S.gen.Scope, ptr %t204, i32 0, i32 2
+  %t206 = getelementptr inbounds { ptr, i64, i64 }, ptr %t205, i32 0, i32 1
+  %t207 = load ptr, ptr %a1
+  %t208 = icmp eq ptr %t207, null
+  br i1 %t208, label %panic4917, label %ok4918
+panic4917:
+  call void @finch_panic(ptr @.str.3099, i64 2220, ptr @.str.3100)
   unreachable
-inrange4699:
-  %t229 = extractvalue { ptr, i64, i64 } %t226, 0
-  %t230 = getelementptr inbounds %S.gen.Loop, ptr %t229, i64 %t225
-  %t231 = load %S.gen.Loop, ptr %t230
-  store %S.gen.Loop %t231, ptr %a232
-  call void @finch.copy.S_gen_Loop(ptr %a233, ptr %a232)
-  %t234 = load %S.gen.Loop, ptr %a233
-  store %S.gen.Loop %t234, ptr %a235
-  %t236 = load ptr, ptr %a1
-  %t237 = getelementptr inbounds %S.gen.Loop, ptr %a235, i32 0, i32 2
-  %t238 = load i64, ptr %t237
-  call void @finch.gen.unwind(ptr %t236, i64 %t238)
-  %t239 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t239, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.3018, i64 5, i64 0 }, ptr %a241
-  %t242 = call i32 @finch_str_eq(ptr %a240, ptr %a241)
-  %t243 = icmp ne i32 %t242, 0
-  br i1 %t243, label %then4700, label %else4701
-then4700:
-  %t244 = load ptr, ptr %a1
-  %t245 = getelementptr inbounds %S.gen.Loop, ptr %a235, i32 0, i32 1
-  %t246 = load { ptr, i64, i64 }, ptr %t245
-  call void @finch.gen.br(ptr %t244, { ptr, i64, i64 } %t246)
-  br label %endif4702
-else4701:
-  %t247 = load ptr, ptr %a1
-  %t248 = getelementptr inbounds %S.gen.Loop, ptr %a235, i32 0, i32 0
-  %t249 = load { ptr, i64, i64 }, ptr %t248
-  call void @finch.gen.br(ptr %t247, { ptr, i64, i64 } %t249)
-  br label %endif4702
-endif4702:
-  br label %endif4683
-else4682:
-  %t250 = load ptr, ptr %a1
-  %t251 = load %S.ast.Node, ptr %a2
-  %t252 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.3019, i64 18, i64 0 }, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  call void @finch.gen.fail(ptr %t250, %S.ast.Node %t251, { ptr, i64, i64 } %t256)
-  br label %endif4683
-endif4683:
-  br label %endif4657
-endif4657:
-  br label %endif4654
-endif4654:
-  br label %endif4651
-endif4651:
-  br label %endif4648
-endif4648:
-  br label %endif4645
-endif4645:
-  br label %endif4642
-endif4642:
-  br label %endif4639
-endif4639:
-  br label %endif4627
-endif4627:
-  br label %endif4624
-endif4624:
-  br label %endif4621
-endif4621:
-  br label %endif4618
-endif4618:
+ok4918:
+  %t209 = getelementptr inbounds %S.gen.Gen, ptr %t207, i32 0, i32 24
+  %t210 = load i64, ptr %t209
+  %t211 = load i64, ptr %t206
+  %t212 = add i64 %t211, 1
+  call void @finch_arr_reserve(ptr %t205, i64 %t212, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t213 = load ptr, ptr %t205
+  %t214 = getelementptr inbounds i64, ptr %t213, i64 %t211
+  store i64 %t210, ptr %t214
+  store i64 %t212, ptr %t206
+  br label %endif4891
+else4890:
+  %t215 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t215, ptr %a216
+  store { ptr, i64, i64 } { ptr @.str.3101, i64 5, i64 0 }, ptr %a217
+  %t218 = call i32 @finch_str_eq(ptr %a216, ptr %a217)
+  %t219 = icmp ne i32 %t218, 0
+  br label %logic.from4919
+logic.from4919:
+  br i1 %t219, label %logic.end4921, label %logic.rhs4920
+logic.rhs4920:
+  %t220 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t220, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.3102, i64 8, i64 0 }, ptr %a222
+  %t223 = call i32 @finch_str_eq(ptr %a221, ptr %a222)
+  %t224 = icmp ne i32 %t223, 0
+  br label %logic.rend4922
+logic.rend4922:
+  br label %logic.end4921
+logic.end4921:
+  %t225 = phi i1 [ true, %logic.from4919 ], [ %t224, %logic.rend4922 ]
+  br i1 %t225, label %then4923, label %else4924
+then4923:
+  %t226 = load ptr, ptr %a1
+  %t227 = icmp eq ptr %t226, null
+  br i1 %t227, label %panic4926, label %ok4927
+panic4926:
+  call void @finch_panic(ptr @.str.3103, i64 2222, ptr @.str.3104)
+  unreachable
+ok4927:
+  %t228 = getelementptr inbounds %S.gen.Gen, ptr %t226, i32 0, i32 45
+  %t229 = load i64, ptr %t228
+  %t230 = icmp sgt i64 %t229, 0
+  br i1 %t230, label %then4928, label %endif4930
+then4928:
+  %t231 = load ptr, ptr %a1
+  %t232 = load %S.ast.Node, ptr %a2
+  %t233 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.3105, i64 27, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a234
+  call void @finch.gen.fail(ptr %t231, %S.ast.Node %t232, { ptr, i64, i64 } %t237)
+  store { ptr, i64, i64 } %t237, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  br label %endif4930
+endif4930:
+  %t239 = load ptr, ptr %a1
+  %t240 = icmp eq ptr %t239, null
+  br i1 %t240, label %panic4931, label %ok4932
+panic4931:
+  call void @finch_panic(ptr @.str.3106, i64 2225, ptr @.str.3107)
+  unreachable
+ok4932:
+  %t241 = getelementptr inbounds %S.gen.Gen, ptr %t239, i32 0, i32 12
+  %t242 = getelementptr inbounds { ptr, i64, i64 }, ptr %t241, i32 0, i32 1
+  %t243 = load i64, ptr %t242
+  %t244 = icmp eq i64 %t243, 0
+  br i1 %t244, label %then4933, label %endif4935
+then4933:
+  %t245 = load ptr, ptr %a1
+  %t246 = load %S.ast.Node, ptr %a2
+  %t247 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t247, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.3108, i64 31, i64 0 }, ptr %a250
+  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a248
+  call void @finch.gen.fail(ptr %t245, %S.ast.Node %t246, { ptr, i64, i64 } %t251)
+  store { ptr, i64, i64 } %t251, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  br label %endif4935
+endif4935:
+  %t253 = load ptr, ptr %a1
+  %t254 = icmp eq ptr %t253, null
+  br i1 %t254, label %panic4936, label %ok4937
+panic4936:
+  call void @finch_panic(ptr @.str.3109, i64 2228, ptr @.str.3110)
+  unreachable
+ok4937:
+  %t255 = getelementptr inbounds %S.gen.Gen, ptr %t253, i32 0, i32 12
+  %t256 = load ptr, ptr %a1
+  %t257 = icmp eq ptr %t256, null
+  br i1 %t257, label %panic4938, label %ok4939
+panic4938:
+  call void @finch_panic(ptr @.str.3111, i64 2228, ptr @.str.3112)
+  unreachable
+ok4939:
+  %t258 = getelementptr inbounds %S.gen.Gen, ptr %t256, i32 0, i32 12
+  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %t258, i32 0, i32 1
+  %t260 = load i64, ptr %t259
+  %t261 = sub i64 %t260, 1
+  %t262 = load { ptr, i64, i64 }, ptr %t255
+  %t263 = extractvalue { ptr, i64, i64 } %t262, 1
+  %t264 = icmp uge i64 %t261, %t263
+  br i1 %t264, label %range4940, label %inrange4941
+range4940:
+  call void @finch_panic_index(ptr @.str.3113, i64 2228, i64 %t261, i64 %t263)
+  unreachable
+inrange4941:
+  %t265 = extractvalue { ptr, i64, i64 } %t262, 0
+  %t266 = getelementptr inbounds %S.gen.Loop, ptr %t265, i64 %t261
+  %t267 = load %S.gen.Loop, ptr %t266
+  store %S.gen.Loop %t267, ptr %a268
+  call void @finch.copy.S_gen_Loop(ptr %a269, ptr %a268)
+  %t270 = load %S.gen.Loop, ptr %a269
+  store %S.gen.Loop %t270, ptr %a271
+  %t272 = load ptr, ptr %a1
+  %t273 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 3
+  %t274 = load i64, ptr %t273
+  call void @finch.gen.dropPending(ptr %t272, i64 %t274)
+  %t275 = load ptr, ptr %a1
+  %t276 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 2
+  %t277 = load i64, ptr %t276
+  call void @finch.gen.unwind(ptr %t275, i64 %t277)
+  %t278 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t278, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.3114, i64 5, i64 0 }, ptr %a280
+  %t281 = call i32 @finch_str_eq(ptr %a279, ptr %a280)
+  %t282 = icmp ne i32 %t281, 0
+  br i1 %t282, label %then4942, label %else4943
+then4942:
+  %t283 = load ptr, ptr %a1
+  %t284 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 1
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  call void @finch.gen.br(ptr %t283, { ptr, i64, i64 } %t285)
+  br label %endif4944
+else4943:
+  %t286 = load ptr, ptr %a1
+  %t287 = getelementptr inbounds %S.gen.Loop, ptr %a271, i32 0, i32 0
+  %t288 = load { ptr, i64, i64 }, ptr %t287
+  call void @finch.gen.br(ptr %t286, { ptr, i64, i64 } %t288)
+  br label %endif4944
+endif4944:
+  call void @finch.drop.S_gen_Loop(ptr %a271)
+  br label %endif4925
+else4924:
+  %t289 = load ptr, ptr %a1
+  %t290 = load %S.ast.Node, ptr %a2
+  %t291 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3115, i64 18, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a292
+  call void @finch.gen.fail(ptr %t289, %S.ast.Node %t290, { ptr, i64, i64 } %t295)
+  store { ptr, i64, i64 } %t295, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  br label %endif4925
+endif4925:
+  br label %endif4891
+endif4891:
+  br label %endif4888
+endif4888:
+  br label %endif4885
+endif4885:
+  br label %endif4882
+endif4882:
+  br label %endif4879
+endif4879:
+  br label %endif4876
+endif4876:
+  br label %endif4873
+endif4873:
+  br label %endif4861
+endif4861:
+  br label %endif4858
+endif4858:
+  br label %endif4855
+endif4855:
+  br label %endif4852
+endif4852:
+  call void @finch_str_drop(ptr %a18)
   ret void
 }
 
@@ -42840,36 +49848,48 @@ entry:
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca %S.ast.Type, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca %S.gen.Val, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca %S.gen.Val, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca %S.gen.Val, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca %S.gen.Val, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca %S.gen.Val, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 6
   %t4 = load i1, ptr %t3
   %t5 = xor i1 %t4, true
-  br i1 %t5, label %then4703, label %endif4705
-then4703:
+  br i1 %t5, label %then4945, label %endif4947
+then4945:
   %t6 = load ptr, ptr %a1
   %t7 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t8 = load { ptr, i64, i64 }, ptr %t7
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 0, %t9
-  br i1 %t10, label %range4706, label %inrange4707
-range4706:
-  call void @finch_panic_index(ptr @.str.3020, i64 2086, i64 0, i64 %t9)
+  br i1 %t10, label %range4948, label %inrange4949
+range4948:
+  call void @finch_panic_index(ptr @.str.3116, i64 2243, i64 0, i64 %t9)
   unreachable
-inrange4707:
+inrange4949:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.ast.Node, ptr %t11, i64 0
   %t13 = load %S.ast.Node, ptr %t12
@@ -42879,190 +49899,222 @@ inrange4707:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %t16, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.3021, i64 4, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.3117, i64 4, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br i1 %t22, label %then4708, label %endif4710
-then4708:
+  br i1 %t22, label %then4950, label %endif4952
+then4950:
   %t23 = load ptr, ptr %a1
   %t24 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t25 = load { ptr, i64, i64 }, ptr %t24
   %t26 = extractvalue { ptr, i64, i64 } %t25, 1
   %t27 = icmp uge i64 0, %t26
-  br i1 %t27, label %range4711, label %inrange4712
-range4711:
-  call void @finch_panic_index(ptr @.str.3022, i64 2088, i64 0, i64 %t26)
+  br i1 %t27, label %range4953, label %inrange4954
+range4953:
+  call void @finch_panic_index(ptr @.str.3118, i64 2245, i64 0, i64 %t26)
   unreachable
-inrange4712:
+inrange4954:
   %t28 = extractvalue { ptr, i64, i64 } %t25, 0
   %t29 = getelementptr inbounds %S.ast.Node, ptr %t28, i64 0
   %t30 = load %S.ast.Node, ptr %t29
-  call void @finch.gen.fail(ptr %t23, %S.ast.Node %t30, { ptr, i64, i64 } { ptr @.str.3023, i64 46, i64 0 })
-  br label %endif4710
-endif4710:
+  call void @finch.gen.fail(ptr %t23, %S.ast.Node %t30, { ptr, i64, i64 } { ptr @.str.3119, i64 46, i64 0 })
+  br label %endif4952
+endif4952:
   %t31 = getelementptr inbounds %S.gen.Val, ptr %a15, i32 0, i32 1
   %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i32 0, i32 0
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3024, i64 4, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3120, i64 4, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then4713, label %endif4715
-then4713:
+  br i1 %t37, label %then4955, label %endif4957
+then4955:
   %t38 = load ptr, ptr %a1
   %t39 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t40 = load { ptr, i64, i64 }, ptr %t39
   %t41 = extractvalue { ptr, i64, i64 } %t40, 1
   %t42 = icmp uge i64 0, %t41
-  br i1 %t42, label %range4716, label %inrange4717
-range4716:
-  call void @finch_panic_index(ptr @.str.3025, i64 2091, i64 0, i64 %t41)
+  br i1 %t42, label %range4958, label %inrange4959
+range4958:
+  call void @finch_panic_index(ptr @.str.3121, i64 2248, i64 0, i64 %t41)
   unreachable
-inrange4717:
+inrange4959:
   %t43 = extractvalue { ptr, i64, i64 } %t40, 0
   %t44 = getelementptr inbounds %S.ast.Node, ptr %t43, i64 0
   %t45 = load %S.ast.Node, ptr %t44
   %t46 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t47 = load { ptr, i64, i64 }, ptr %t46
-  store { ptr, i64, i64 } { ptr @.str.3026, i64 34, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.3122, i64 34, i64 0 }, ptr %a49
   store { ptr, i64, i64 } %t47, ptr %a50
   call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
   %t51 = load { ptr, i64, i64 }, ptr %a48
   store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.3027, i64 7, i64 0 }, ptr %a54
+  store { ptr, i64, i64 } { ptr @.str.3123, i64 7, i64 0 }, ptr %a54
   call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.fail(ptr %t38, %S.ast.Node %t45, { ptr, i64, i64 } %t55)
-  br label %endif4715
-endif4715:
-  %t56 = load ptr, ptr %a1
-  %t57 = load %S.ast.Node, ptr %a2
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = getelementptr inbounds %S.gen.Val, ptr %a15, i32 0, i32 1
-  %t61 = load %S.ast.Type, ptr %t60
-  %t62 = load ptr, ptr %a1
-  %t63 = load %S.gen.Val, ptr %a15
-  %t64 = call { ptr, i64, i64 } @finch.gen.own(ptr %t62, %S.gen.Val %t63)
-  %t65 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t59, %S.ast.Type %t61, { ptr, i64, i64 } %t64, i1 false)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch.gen.fail(ptr %t38, %S.ast.Node %t45, { ptr, i64, i64 } %t56)
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  br label %endif4957
+endif4957:
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Node, ptr %a2
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = getelementptr inbounds %S.gen.Val, ptr %a15, i32 0, i32 1
+  %t63 = load %S.ast.Type, ptr %t62
+  %t64 = load ptr, ptr %a1
+  %t65 = load %S.gen.Val, ptr %a15
+  %t66 = call { ptr, i64, i64 } @finch.gen.own(ptr %t64, %S.gen.Val %t65)
+  %t67 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t58, %S.ast.Node %t59, { ptr, i64, i64 } %t61, %S.ast.Type %t63, { ptr, i64, i64 } %t66, i1 false, i1 true)
+  store { ptr, i64, i64 } %t66, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  store { ptr, i64, i64 } %t67, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  call void @finch.drop.S_gen_Val(ptr %a15)
   ret void
-endif4705:
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t68 = load %S.ast.Type, ptr %t67
-  %t69 = load %S.ast.Node, ptr %a2
-  %t70 = call %S.ast.Type @finch.gen.resolve(ptr %t66, %S.ast.Type %t68, %S.ast.Node %t69)
-  store %S.ast.Type %t70, ptr %a71
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i32 0, i32 1
-  %t74 = load i64, ptr %t73
-  %t75 = icmp eq i64 %t74, 0
-  br i1 %t75, label %then4718, label %endif4720
-then4718:
-  %t76 = getelementptr inbounds %S.ast.Type, ptr %a71, i32 0, i32 0
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.3028, i64 6, i64 0 }, ptr %a79
-  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
-  %t81 = icmp ne i32 %t80, 0
-  br label %logic.from4721
-logic.from4721:
-  br i1 %t81, label %logic.rhs4722, label %logic.end4723
-logic.rhs4722:
-  %t82 = load ptr, ptr %a1
-  %t83 = load %S.ast.Type, ptr %a71
-  %t84 = call i1 @finch.gen.hasDefaults(ptr %t82, %S.ast.Type %t83)
-  br label %logic.rend4724
-logic.rend4724:
-  br label %logic.end4723
-logic.end4723:
-  %t85 = phi i1 [ false, %logic.from4721 ], [ %t84, %logic.rend4724 ]
-  br i1 %t85, label %then4725, label %endif4727
-then4725:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a86
-  store { ptr, i64, i64 } zeroinitializer, ptr %a87
-  %t88 = load ptr, ptr %a1
-  %t89 = load ptr, ptr %a1
-  %t90 = getelementptr inbounds %S.ast.Type, ptr %a71, i32 0, i32 3
-  %t91 = load { ptr, i64, i64 }, ptr %t90
-  %t92 = getelementptr inbounds %S.ast.Type, ptr %a71, i32 0, i32 2
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  %t94 = call i64 @finch.gen.findStruct(ptr %t89, { ptr, i64, i64 } %t91, { ptr, i64, i64 } %t93)
-  %t95 = load { ptr, i64, i64 }, ptr %a86
-  %t96 = load { ptr, i64, i64 }, ptr %a87
-  %t97 = load %S.ast.Node, ptr %a2
-  %t98 = call %S.gen.Val @finch.gen.construct(ptr %t88, i64 %t94, { ptr, i64, i64 } %t95, { ptr, i64, i64 } %t96, %S.ast.Node %t97)
-  store %S.gen.Val %t98, ptr %a99
-  %t100 = load ptr, ptr %a1
+endif4947:
+  %t70 = load ptr, ptr %a1
+  %t71 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t72 = load %S.ast.Type, ptr %t71
+  %t73 = load %S.ast.Node, ptr %a2
+  %t74 = call %S.ast.Type @finch.gen.resolve(ptr %t70, %S.ast.Type %t72, %S.ast.Node %t73)
+  store %S.ast.Type %t74, ptr %a75
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = load i64, ptr %t77
+  %t79 = icmp eq i64 %t78, 0
+  br i1 %t79, label %then4960, label %endif4962
+then4960:
+  %t80 = getelementptr inbounds %S.ast.Type, ptr %a75, i32 0, i32 0
+  %t81 = load { ptr, i64, i64 }, ptr %t80
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.3124, i64 6, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br label %logic.from4963
+logic.from4963:
+  br i1 %t85, label %logic.rhs4964, label %logic.end4965
+logic.rhs4964:
+  %t86 = load ptr, ptr %a1
+  %t87 = load %S.ast.Type, ptr %a75
+  %t88 = call i1 @finch.gen.hasDefaults(ptr %t86, %S.ast.Type %t87)
+  br label %logic.rend4966
+logic.rend4966:
+  br label %logic.end4965
+logic.end4965:
+  %t89 = phi i1 [ false, %logic.from4963 ], [ %t88, %logic.rend4966 ]
+  br i1 %t89, label %then4967, label %endif4969
+then4967:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a90
+  store { ptr, i64, i64 } zeroinitializer, ptr %a91
+  %t92 = load ptr, ptr %a1
+  %t93 = load ptr, ptr %a1
+  %t94 = getelementptr inbounds %S.ast.Type, ptr %a75, i32 0, i32 3
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  %t96 = getelementptr inbounds %S.ast.Type, ptr %a75, i32 0, i32 2
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  %t98 = call i64 @finch.gen.findStruct(ptr %t93, { ptr, i64, i64 } %t95, { ptr, i64, i64 } %t97)
+  %t99 = load { ptr, i64, i64 }, ptr %a90
+  %t100 = load { ptr, i64, i64 }, ptr %a91
   %t101 = load %S.ast.Node, ptr %a2
-  %t102 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  %t104 = load %S.ast.Type, ptr %a71
-  %t105 = getelementptr inbounds %S.gen.Val, ptr %a99, i32 0, i32 0
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  %t107 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t100, %S.ast.Node %t101, { ptr, i64, i64 } %t103, %S.ast.Type %t104, { ptr, i64, i64 } %t106, i1 false)
+  %t102 = call %S.gen.Val @finch.gen.construct(ptr %t92, i64 %t98, { ptr, i64, i64 } %t99, { ptr, i64, i64 } %t100, %S.ast.Node %t101)
+  store %S.gen.Val %t102, ptr %a103
+  %t104 = load ptr, ptr %a1
+  %t105 = load %S.ast.Node, ptr %a2
+  %t106 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  %t108 = load %S.ast.Type, ptr %a75
+  %t109 = getelementptr inbounds %S.gen.Val, ptr %a103, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  %t111 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t104, %S.ast.Node %t105, { ptr, i64, i64 } %t107, %S.ast.Type %t108, { ptr, i64, i64 } %t110, i1 false, i1 true)
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  call void @finch.drop.S_gen_Val(ptr %a103)
+  call void @finch.drop.arr_str(ptr %a91)
+  call void @finch.drop.arr_S_ast_Node(ptr %a90)
+  call void @finch.drop.S_ast_Type(ptr %a75)
   ret void
-endif4727:
-  %t108 = load ptr, ptr %a1
-  %t109 = load %S.ast.Node, ptr %a2
-  %t110 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  %t112 = load %S.ast.Type, ptr %a71
-  %t113 = load %S.ast.Type, ptr %a71
-  %t114 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t113)
-  %t115 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t108, %S.ast.Node %t109, { ptr, i64, i64 } %t111, %S.ast.Type %t112, { ptr, i64, i64 } %t114, i1 false)
+endif4969:
+  %t113 = load ptr, ptr %a1
+  %t114 = load %S.ast.Node, ptr %a2
+  %t115 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  %t117 = load %S.ast.Type, ptr %a75
+  %t118 = load %S.ast.Type, ptr %a75
+  %t119 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t118)
+  %t120 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t113, %S.ast.Node %t114, { ptr, i64, i64 } %t116, %S.ast.Type %t117, { ptr, i64, i64 } %t119, i1 false, i1 true)
+  store { ptr, i64, i64 } %t119, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t120, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  call void @finch.drop.S_ast_Type(ptr %a75)
   ret void
-endif4720:
-  %t116 = load ptr, ptr %a1
-  %t117 = load ptr, ptr %a1
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 0, %t120
-  br i1 %t121, label %range4728, label %inrange4729
-range4728:
-  call void @finch_panic_index(ptr @.str.3029, i64 2108, i64 0, i64 %t120)
+endif4962:
+  %t123 = load ptr, ptr %a1
+  %t124 = load ptr, ptr %a1
+  %t125 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  %t127 = extractvalue { ptr, i64, i64 } %t126, 1
+  %t128 = icmp uge i64 0, %t127
+  br i1 %t128, label %range4970, label %inrange4971
+range4970:
+  call void @finch_panic_index(ptr @.str.3125, i64 2265, i64 0, i64 %t127)
   unreachable
-inrange4729:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %t122, i64 0
-  %t124 = load %S.ast.Node, ptr %t123
-  %t125 = load %S.ast.Type, ptr %a71
-  %t126 = call %S.gen.Val @finch.gen.exprWant(ptr %t117, %S.ast.Node %t124, %S.ast.Type %t125)
-  %t127 = load %S.ast.Type, ptr %a71
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  %t130 = extractvalue { ptr, i64, i64 } %t129, 1
-  %t131 = icmp uge i64 0, %t130
-  br i1 %t131, label %range4730, label %inrange4731
-range4730:
-  call void @finch_panic_index(ptr @.str.3030, i64 2108, i64 0, i64 %t130)
-  unreachable
-inrange4731:
-  %t132 = extractvalue { ptr, i64, i64 } %t129, 0
-  %t133 = getelementptr inbounds %S.ast.Node, ptr %t132, i64 0
-  %t134 = load %S.ast.Node, ptr %t133
-  %t135 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+inrange4971:
+  %t129 = extractvalue { ptr, i64, i64 } %t126, 0
+  %t130 = getelementptr inbounds %S.ast.Node, ptr %t129, i64 0
+  %t131 = load %S.ast.Node, ptr %t130
+  %t132 = load %S.ast.Type, ptr %a75
+  %t133 = call %S.gen.Val @finch.gen.exprWant(ptr %t124, %S.ast.Node %t131, %S.ast.Type %t132)
+  %t134 = load %S.ast.Type, ptr %a75
+  %t135 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t136 = load { ptr, i64, i64 }, ptr %t135
-  store { ptr, i64, i64 } { ptr @.str.3031, i64 1, i64 0 }, ptr %a138
-  store { ptr, i64, i64 } %t136, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t140, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.3032, i64 1, i64 0 }, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  %t145 = call %S.gen.Val @finch.gen.coerce(ptr %t116, %S.gen.Val %t126, %S.ast.Type %t127, %S.ast.Node %t134, { ptr, i64, i64 } %t144)
-  store %S.gen.Val %t145, ptr %a146
-  %t147 = load ptr, ptr %a1
-  %t148 = load %S.ast.Node, ptr %a2
-  %t149 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t150 = load { ptr, i64, i64 }, ptr %t149
-  %t151 = load %S.ast.Type, ptr %a71
-  %t152 = load ptr, ptr %a1
-  %t153 = load %S.gen.Val, ptr %a146
-  %t154 = call { ptr, i64, i64 } @finch.gen.own(ptr %t152, %S.gen.Val %t153)
-  %t155 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t147, %S.ast.Node %t148, { ptr, i64, i64 } %t150, %S.ast.Type %t151, { ptr, i64, i64 } %t154, i1 false)
+  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
+  %t138 = icmp uge i64 0, %t137
+  br i1 %t138, label %range4972, label %inrange4973
+range4972:
+  call void @finch_panic_index(ptr @.str.3126, i64 2265, i64 0, i64 %t137)
+  unreachable
+inrange4973:
+  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
+  %t140 = getelementptr inbounds %S.ast.Node, ptr %t139, i64 0
+  %t141 = load %S.ast.Node, ptr %t140
+  %t142 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t143 = load { ptr, i64, i64 }, ptr %t142
+  store { ptr, i64, i64 } { ptr @.str.3127, i64 1, i64 0 }, ptr %a145
+  store { ptr, i64, i64 } %t143, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a144
+  store { ptr, i64, i64 } %t147, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.3128, i64 1, i64 0 }, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
+  store { ptr, i64, i64 } %t147, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  %t153 = call %S.gen.Val @finch.gen.coerce(ptr %t123, %S.gen.Val %t133, %S.ast.Type %t134, %S.ast.Node %t141, { ptr, i64, i64 } %t152)
+  store %S.gen.Val %t133, ptr %a154
+  call void @finch.drop.S_gen_Val(ptr %a154)
+  store { ptr, i64, i64 } %t152, ptr %a155
+  call void @finch_str_drop(ptr %a155)
+  store %S.gen.Val %t153, ptr %a156
+  %t157 = load ptr, ptr %a1
+  %t158 = load %S.ast.Node, ptr %a2
+  %t159 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t160 = load { ptr, i64, i64 }, ptr %t159
+  %t161 = load %S.ast.Type, ptr %a75
+  %t162 = load ptr, ptr %a1
+  %t163 = load %S.gen.Val, ptr %a156
+  %t164 = call { ptr, i64, i64 } @finch.gen.own(ptr %t162, %S.gen.Val %t163)
+  %t165 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t157, %S.ast.Node %t158, { ptr, i64, i64 } %t160, %S.ast.Type %t161, { ptr, i64, i64 } %t164, i1 false, i1 true)
+  store { ptr, i64, i64 } %t164, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  store { ptr, i64, i64 } %t165, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  call void @finch.drop.S_gen_Val(ptr %a156)
+  call void @finch.drop.S_ast_Type(ptr %a75)
   ret void
 }
 
@@ -43079,12 +50131,12 @@ entry:
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4732, label %ok4733
-panic4732:
-  call void @finch_panic(ptr @.str.3033, i64 2113, ptr @.str.3034)
+  br i1 %t4, label %panic4974, label %ok4975
+panic4974:
+  call void @finch_panic(ptr @.str.3129, i64 2270, ptr @.str.3130)
   unreachable
-ok4733:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 15
+ok4975:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 16
   %t6 = load ptr, ptr %a1
   %t7 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t8 = load { ptr, i64, i64 }, ptr %t7
@@ -43094,11 +50146,11 @@ ok4733:
   %t12 = load { ptr, i64, i64 }, ptr %t5
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range4734, label %inrange4735
-range4734:
-  call void @finch_panic_index(ptr @.str.3035, i64 2113, i64 %t11, i64 %t13)
+  br i1 %t14, label %range4976, label %inrange4977
+range4976:
+  call void @finch_panic_index(ptr @.str.3131, i64 2270, i64 %t11, i64 %t13)
   unreachable
-inrange4735:
+inrange4977:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.gen.StructDef, ptr %t15, i64 %t11
   %t17 = load %S.gen.StructDef, ptr %t16
@@ -43108,28 +50160,29 @@ inrange4735:
   store %S.gen.StructDef %t20, ptr %a21
   %t22 = getelementptr inbounds %S.gen.StructDef, ptr %a21, i32 0, i32 2
   %t23 = load i1, ptr %t22
-  br i1 %t23, label %then4736, label %endif4738
-then4736:
+  br i1 %t23, label %then4978, label %endif4980
+then4978:
+  call void @finch.drop.S_gen_StructDef(ptr %a21)
   ret i1 false
-endif4738:
+endif4980:
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic4739, label %ok4740
-panic4739:
-  call void @finch_panic(ptr @.str.3036, i64 2117, ptr @.str.3037)
+  br i1 %t25, label %panic4981, label %ok4982
+panic4981:
+  call void @finch_panic(ptr @.str.3132, i64 2274, ptr @.str.3133)
   unreachable
-ok4740:
+ok4982:
   %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds %S.gen.StructDef, ptr %a21, i32 0, i32 13
   %t28 = load i64, ptr %t27
   %t29 = load { ptr, i64, i64 }, ptr %t26
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 %t28, %t30
-  br i1 %t31, label %range4741, label %inrange4742
-range4741:
-  call void @finch_panic_index(ptr @.str.3038, i64 2117, i64 %t28, i64 %t30)
+  br i1 %t31, label %range4983, label %inrange4984
+range4983:
+  call void @finch_panic_index(ptr @.str.3134, i64 2274, i64 %t28, i64 %t30)
   unreachable
-inrange4742:
+inrange4984:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.ast.Program, ptr %t32, i64 %t28
   %t34 = getelementptr inbounds %S.ast.Program, ptr %t33, i32 0, i32 6
@@ -43138,23 +50191,23 @@ inrange4742:
   %t37 = load { ptr, i64, i64 }, ptr %t34
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range4743, label %inrange4744
-range4743:
-  call void @finch_panic_index(ptr @.str.3039, i64 2117, i64 %t36, i64 %t38)
+  br i1 %t39, label %range4985, label %inrange4986
+range4985:
+  call void @finch_panic_index(ptr @.str.3135, i64 2274, i64 %t36, i64 %t38)
   unreachable
-inrange4744:
+inrange4986:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t36
   %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i32 0, i32 9
   store i64 0, ptr %a43
-  br label %each.cond4745
-each.cond4745:
+  br label %each.cond4987
+each.cond4987:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
   %t45 = load i64, ptr %t44
   %t46 = load i64, ptr %a43
   %t47 = icmp slt i64 %t46, %t45
-  br i1 %t47, label %each.body4746, label %each.end4748
-each.body4746:
+  br i1 %t47, label %each.body4988, label %each.end4990
+each.body4988:
   %t48 = load ptr, ptr %t42
   %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 %t46
   %t50 = load %S.ast.Node, ptr %t49
@@ -43163,20 +50216,32 @@ each.body4746:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i32 0, i32 1
   %t54 = load i64, ptr %t53
   %t55 = icmp sgt i64 %t54, 0
-  br i1 %t55, label %then4749, label %endif4751
-then4749:
+  br i1 %t55, label %then4991, label %endif4993
+then4991:
+  call void @finch.drop.S_gen_StructDef(ptr %a21)
   ret i1 true
-endif4751:
-  br label %each.step4747
-each.step4747:
+endif4993:
+  br label %each.step4989
+each.step4989:
   %t56 = load i64, ptr %a43
   %t57 = add i64 %t56, 1
   store i64 %t57, ptr %a43
-  br label %each.cond4745
-each.end4748:
+  br label %each.cond4987
+each.end4990:
+  call void @finch.drop.S_gen_StructDef(ptr %a21)
   ret i1 false
 }
 
+define internal void @finch.drop.S_gen_Place(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Place, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Place, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_ast_Type(ptr %t2)
+  ret void
+}
+
 define internal void @finch.gen.assignStmt(ptr %p0, %S.ast.Node %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -43194,51 +50259,83 @@ entry:
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca %S.gen.Var, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca %S.gen.Val, align 16
-  %a106 = alloca %S.gen.Place, align 16
-  %a139 = alloca %S.gen.Val, align 16
-  %a143 = alloca %S.gen.Place, align 16
-  %a155 = alloca %S.ast.Type, align 16
-  %a156 = alloca %S.ast.Type, align 16
-  %a159 = alloca %S.gen.Val, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca %S.gen.Val, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca %S.ast.Type, align 16
+  %a105 = alloca i1, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca i64, align 16
+  %a122 = alloca %S.ast.Type, align 16
+  %a123 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.gen.Var, align 16
+  %a127 = alloca %S.ast.Type, align 16
+  %a128 = alloca %S.gen.Val, align 16
+  %a141 = alloca %S.gen.Val, align 16
+  %a152 = alloca %S.gen.Val, align 16
+  %a158 = alloca i64, align 16
+  %a164 = alloca %S.gen.Place, align 16
+  %a179 = alloca %S.gen.Val, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca %S.gen.Val, align 16
+  %a237 = alloca i64, align 16
+  %a243 = alloca %S.gen.Place, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca %S.ast.Type, align 16
+  %a257 = alloca %S.ast.Type, align 16
+  %a260 = alloca %S.gen.Val, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca %S.gen.Val, align 16
+  %a280 = alloca %S.gen.Val, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t4 = load { ptr, i64, i64 }, ptr %t3
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 0, %t5
-  br i1 %t6, label %range4752, label %inrange4753
-range4752:
-  call void @finch_panic_index(ptr @.str.3040, i64 2126, i64 0, i64 %t5)
+  br i1 %t6, label %range4994, label %inrange4995
+range4994:
+  call void @finch_panic_index(ptr @.str.3136, i64 2283, i64 0, i64 %t5)
   unreachable
-inrange4753:
+inrange4995:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds %S.ast.Node, ptr %t7, i64 0
   %t9 = load %S.ast.Node, ptr %t8
@@ -43252,232 +50349,435 @@ inrange4753:
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a16, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = icmp sgt i64 %t18, 0
-  br i1 %t19, label %then4754, label %endif4756
-then4754:
+  br i1 %t19, label %then4996, label %endif4998
+then4996:
   %t20 = load ptr, ptr %a1
   %t21 = load { ptr, i64, i64 }, ptr %a16
   %t22 = call i64 @finch.gen.lookup(ptr %t20, { ptr, i64, i64 } %t21)
   store i64 %t22, ptr %a23
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, 0
-  br label %logic.from4757
-logic.from4757:
-  br i1 %t25, label %logic.rhs4758, label %logic.end4759
-logic.rhs4758:
+  br label %logic.from4999
+logic.from4999:
+  br i1 %t25, label %logic.rhs5000, label %logic.end5001
+logic.rhs5000:
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.3041, i64 3, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.3137, i64 3, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend4760
-logic.rend4760:
-  br label %logic.end4759
-logic.end4759:
-  %t32 = phi i1 [ false, %logic.from4757 ], [ %t31, %logic.rend4760 ]
-  br i1 %t32, label %then4761, label %endif4763
-then4761:
+  br label %logic.rend5002
+logic.rend5002:
+  br label %logic.end5001
+logic.end5001:
+  %t32 = phi i1 [ false, %logic.from4999 ], [ %t31, %logic.rend5002 ]
+  br i1 %t32, label %then5003, label %endif5005
+then5003:
   %t33 = load ptr, ptr %a1
   %t34 = load %S.ast.Node, ptr %a2
   %t35 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3042, i64 28, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.3138, i64 28, i64 0 }, ptr %a37
   store { ptr, i64, i64 } %t35, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
   %t39 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t39, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.3043, i64 18, i64 0 }, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.3139, i64 18, i64 0 }, ptr %a42
   call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  %t44 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t43, ptr %a46
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load { ptr, i64, i64 }, ptr %a16
   store { ptr, i64, i64 } %t44, ptr %a47
-  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
-  %t48 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } %t48, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.3044, i64 8, i64 0 }, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } %t52)
-  br label %endif4763
-endif4763:
-  %t53 = load i64, ptr %a23
-  %t54 = icmp sge i64 %t53, 0
-  br label %logic.from4764
-logic.from4764:
-  br i1 %t54, label %logic.rhs4765, label %logic.end4766
-logic.rhs4765:
-  %t55 = load ptr, ptr %a1
-  %t56 = load i64, ptr %a23
-  %t57 = call %S.gen.Var @finch.gen.varAt(ptr %t55, i64 %t56)
-  %t58 = extractvalue %S.gen.Var %t57, 3
-  br label %logic.rend4767
-logic.rend4767:
-  br label %logic.end4766
-logic.end4766:
-  %t59 = phi i1 [ false, %logic.from4764 ], [ %t58, %logic.rend4767 ]
-  br i1 %t59, label %then4768, label %endif4770
-then4768:
-  %t60 = load ptr, ptr %a1
-  %t61 = load %S.ast.Node, ptr %a2
-  %t62 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3045, i64 19, i64 0 }, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.3046, i64 18, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  call void @finch.gen.fail(ptr %t60, %S.ast.Node %t61, { ptr, i64, i64 } %t70)
-  br label %endif4770
-endif4770:
-  br label %endif4756
-endif4756:
-  store { ptr, i64, i64 } { ptr @.str.3047, i64 9, i64 0 }, ptr %a71
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.3048, i64 3, i64 0 }, ptr %a75
-  %t76 = call i32 @finch_str_eq(ptr %a74, ptr %a75)
-  %t77 = icmp ne i32 %t76, 0
-  br i1 %t77, label %then4771, label %endif4773
-then4771:
-  %t78 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3049, i64 1, i64 0 }, ptr %a80
-  store { ptr, i64, i64 } %t78, ptr %a81
-  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
-  %t82 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t82, ptr %a84
-  store { ptr, i64, i64 } { ptr @.str.3050, i64 1, i64 0 }, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a71
-  br label %endif4773
-endif4773:
-  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t88 = load { ptr, i64, i64 }, ptr %t87
-  store { ptr, i64, i64 } %t88, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.3051, i64 1, i64 0 }, ptr %a90
-  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
-  %t92 = icmp ne i32 %t91, 0
-  br i1 %t92, label %then4774, label %endif4776
-then4774:
-  %t93 = load ptr, ptr %a1
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
-  %t97 = icmp uge i64 1, %t96
-  br i1 %t97, label %range4777, label %inrange4778
-range4777:
-  call void @finch_panic_index(ptr @.str.3052, i64 2142, i64 1, i64 %t96)
-  unreachable
-inrange4778:
-  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
-  %t99 = getelementptr inbounds %S.ast.Node, ptr %t98, i64 1
-  %t100 = load %S.ast.Node, ptr %t99
-  %t101 = call %S.gen.Val @finch.gen.expr(ptr %t93, %S.ast.Node %t100)
-  store %S.gen.Val %t101, ptr %a102
-  %t103 = load ptr, ptr %a1
-  %t104 = load %S.ast.Node, ptr %a13
-  %t105 = call %S.gen.Place @finch.gen.place(ptr %t103, %S.ast.Node %t104, i1 true)
-  store %S.gen.Place %t105, ptr %a106
-  %t107 = load ptr, ptr %a1
-  %t108 = load %S.gen.Val, ptr %a102
-  %t109 = getelementptr inbounds %S.gen.Place, ptr %a106, i32 0, i32 1
-  %t110 = load %S.ast.Type, ptr %t109
-  %t111 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t112 = load { ptr, i64, i64 }, ptr %t111
-  %t113 = extractvalue { ptr, i64, i64 } %t112, 1
-  %t114 = icmp uge i64 1, %t113
-  br i1 %t114, label %range4779, label %inrange4780
-range4779:
-  call void @finch_panic_index(ptr @.str.3053, i64 2144, i64 1, i64 %t113)
-  unreachable
-inrange4780:
-  %t115 = extractvalue { ptr, i64, i64 } %t112, 0
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %t115, i64 1
-  %t117 = load %S.ast.Node, ptr %t116
-  %t118 = load { ptr, i64, i64 }, ptr %a71
-  %t119 = call %S.gen.Val @finch.gen.coerce(ptr %t107, %S.gen.Val %t108, %S.ast.Type %t110, %S.ast.Node %t117, { ptr, i64, i64 } %t118)
-  store %S.gen.Val %t119, ptr %a102
-  %t120 = load ptr, ptr %a1
-  %t121 = load ptr, ptr %a1
-  %t122 = getelementptr inbounds %S.gen.Place, ptr %a106, i32 0, i32 1
-  %t123 = load %S.ast.Type, ptr %t122
-  %t124 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t121, %S.ast.Type %t123)
-  %t125 = load ptr, ptr %a1
-  %t126 = load %S.gen.Val, ptr %a102
-  %t127 = call { ptr, i64, i64 } @finch.gen.own(ptr %t125, %S.gen.Val %t126)
-  %t128 = getelementptr inbounds %S.gen.Place, ptr %a106, i32 0, i32 0
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  call void @finch.gen.store(ptr %t120, { ptr, i64, i64 } %t124, { ptr, i64, i64 } %t127, { ptr, i64, i64 } %t129)
-  ret void
-endif4776:
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t44, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3140, i64 8, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  br label %endif5005
+endif5005:
+  %t57 = load i64, ptr %a23
+  %t58 = icmp sge i64 %t57, 0
+  br label %logic.from5006
+logic.from5006:
+  br i1 %t58, label %logic.rhs5007, label %logic.end5008
+logic.rhs5007:
+  %t59 = load ptr, ptr %a1
+  %t60 = load i64, ptr %a23
+  %t61 = call %S.gen.Var @finch.gen.varAt(ptr %t59, i64 %t60)
+  %t62 = extractvalue %S.gen.Var %t61, 3
+  store %S.gen.Var %t61, ptr %a63
+  call void @finch.drop.S_gen_Var(ptr %a63)
+  br label %logic.rend5009
+logic.rend5009:
+  br label %logic.end5008
+logic.end5008:
+  %t64 = phi i1 [ false, %logic.from5006 ], [ %t62, %logic.rend5009 ]
+  br i1 %t64, label %then5010, label %endif5012
+then5010:
+  %t65 = load ptr, ptr %a1
+  %t66 = load %S.ast.Node, ptr %a2
+  %t67 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3141, i64 19, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } %t67, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.3142, i64 18, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.fail(ptr %t65, %S.ast.Node %t66, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t76, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  br label %endif5012
+endif5012:
+  br label %endif4998
+endif4998:
+  store { ptr, i64, i64 } { ptr @.str.3143, i64 9, i64 0 }, ptr %a78
+  %t79 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t80, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3144, i64 3, i64 0 }, ptr %a82
+  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
+  %t84 = icmp ne i32 %t83, 0
+  br i1 %t84, label %then5013, label %endif5015
+then5013:
+  %t85 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3145, i64 1, i64 0 }, ptr %a87
+  store { ptr, i64, i64 } %t85, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.3146, i64 1, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  %t95 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t94, ptr %a78
+  store { ptr, i64, i64 } %t95, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  br label %endif5015
+endif5015:
+  %t97 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t98 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t98, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.3147, i64 1, i64 0 }, ptr %a100
+  %t101 = call i32 @finch_str_eq(ptr %a99, ptr %a100)
+  %t102 = icmp ne i32 %t101, 0
+  br i1 %t102, label %then5016, label %endif5018
+then5016:
+  %t103 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3148, i64 4, i64 0 })
+  store %S.ast.Type %t103, ptr %a104
+  store i1 false, ptr %a105
+  %t106 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t107, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.3149, i64 3, i64 0 }, ptr %a109
+  %t110 = call i32 @finch_str_eq(ptr %a108, ptr %a109)
+  %t111 = icmp ne i32 %t110, 0
+  br i1 %t111, label %then5019, label %endif5021
+then5019:
+  %t112 = load ptr, ptr %a1
+  %t113 = load { ptr, i64, i64 }, ptr %a16
+  %t114 = call i64 @finch.gen.lookup(ptr %t112, { ptr, i64, i64 } %t113)
+  store i64 %t114, ptr %a115
+  %t116 = load i64, ptr %a115
+  %t117 = icmp sge i64 %t116, 0
+  br i1 %t117, label %then5022, label %endif5024
+then5022:
+  %t118 = load ptr, ptr %a1
+  %t119 = load i64, ptr %a115
+  %t120 = call %S.gen.Var @finch.gen.varAt(ptr %t118, i64 %t119)
+  %t121 = extractvalue %S.gen.Var %t120, 1
+  store %S.ast.Type %t121, ptr %a122
+  call void @finch.copy.S_ast_Type(ptr %a123, ptr %a122)
+  %t124 = load %S.ast.Type, ptr %a123
+  store %S.gen.Var %t120, ptr %a125
+  call void @finch.drop.S_gen_Var(ptr %a125)
+  %t126 = load %S.ast.Type, ptr %a104
+  store %S.ast.Type %t124, ptr %a104
+  store %S.ast.Type %t126, ptr %a127
+  call void @finch.drop.S_ast_Type(ptr %a127)
+  store i1 true, ptr %a105
+  br label %endif5024
+endif5024:
+  br label %endif5021
+endif5021:
+  store %S.gen.Val zeroinitializer, ptr %a128
+  %t129 = load i1, ptr %a105
+  br i1 %t129, label %then5025, label %else5026
+then5025:
   %t130 = load ptr, ptr %a1
   %t131 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t132 = load { ptr, i64, i64 }, ptr %t131
   %t133 = extractvalue { ptr, i64, i64 } %t132, 1
   %t134 = icmp uge i64 1, %t133
-  br i1 %t134, label %range4781, label %inrange4782
-range4781:
-  call void @finch_panic_index(ptr @.str.3054, i64 2148, i64 1, i64 %t133)
+  br i1 %t134, label %range5028, label %inrange5029
+range5028:
+  call void @finch_panic_index(ptr @.str.3150, i64 2311, i64 1, i64 %t133)
   unreachable
-inrange4782:
+inrange5029:
   %t135 = extractvalue { ptr, i64, i64 } %t132, 0
   %t136 = getelementptr inbounds %S.ast.Node, ptr %t135, i64 1
   %t137 = load %S.ast.Node, ptr %t136
-  %t138 = call %S.gen.Val @finch.gen.expr(ptr %t130, %S.ast.Node %t137)
-  store %S.gen.Val %t138, ptr %a139
-  %t140 = load ptr, ptr %a1
-  %t141 = load %S.ast.Node, ptr %a13
-  %t142 = call %S.gen.Place @finch.gen.place(ptr %t140, %S.ast.Node %t141, i1 true)
-  store %S.gen.Place %t142, ptr %a143
-  %t144 = load ptr, ptr %a1
-  %t145 = load ptr, ptr %a1
-  %t146 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t147 = load %S.ast.Type, ptr %t146
-  %t148 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t145, %S.ast.Type %t147)
-  %t149 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 0
-  %t150 = load { ptr, i64, i64 }, ptr %t149
-  %t151 = call { ptr, i64, i64 } @finch.gen.load(ptr %t144, { ptr, i64, i64 } %t148, { ptr, i64, i64 } %t150)
-  %t152 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t151, 0
-  %t153 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t154 = load %S.ast.Type, ptr %t153
-  store %S.ast.Type %t154, ptr %a155
-  call void @finch.copy.S_ast_Type(ptr %a156, ptr %a155)
-  %t157 = load %S.ast.Type, ptr %a156
-  %t158 = insertvalue %S.gen.Val %t152, %S.ast.Type %t157, 1
-  store %S.gen.Val %t158, ptr %a159
-  %t160 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t161 = load { ptr, i64, i64 }, ptr %t160
-  store { ptr, i64, i64 } %t161, ptr %a162
-  call void @finch_str_sub(ptr %a163, ptr %a162, i64 0, i64 1, ptr @.str.3055, i64 2151)
-  %t164 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t164, ptr %a165
-  %t166 = load ptr, ptr %a1
-  %t167 = load ptr, ptr %a1
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  %t169 = load %S.gen.Val, ptr %a159
-  %t170 = load %S.gen.Val, ptr %a139
-  %t171 = load %S.ast.Node, ptr %a2
-  %t172 = call %S.gen.Val @finch.gen.arith(ptr %t167, { ptr, i64, i64 } %t168, %S.gen.Val %t169, %S.gen.Val %t170, %S.ast.Node %t171)
-  %t173 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t174 = load %S.ast.Type, ptr %t173
-  %t175 = load %S.ast.Node, ptr %a2
-  %t176 = load { ptr, i64, i64 }, ptr %a71
-  %t177 = call %S.gen.Val @finch.gen.coerce(ptr %t166, %S.gen.Val %t172, %S.ast.Type %t174, %S.ast.Node %t175, { ptr, i64, i64 } %t176)
-  store %S.gen.Val %t177, ptr %a178
-  %t179 = load ptr, ptr %a1
+  %t138 = load %S.ast.Type, ptr %a104
+  %t139 = call %S.gen.Val @finch.gen.exprWant(ptr %t130, %S.ast.Node %t137, %S.ast.Type %t138)
+  %t140 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t139, ptr %a128
+  store %S.gen.Val %t140, ptr %a141
+  call void @finch.drop.S_gen_Val(ptr %a141)
+  br label %endif5027
+else5026:
+  %t142 = load ptr, ptr %a1
+  %t143 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t144 = load { ptr, i64, i64 }, ptr %t143
+  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
+  %t146 = icmp uge i64 1, %t145
+  br i1 %t146, label %range5030, label %inrange5031
+range5030:
+  call void @finch_panic_index(ptr @.str.3151, i64 2313, i64 1, i64 %t145)
+  unreachable
+inrange5031:
+  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
+  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 1
+  %t149 = load %S.ast.Node, ptr %t148
+  %t150 = call %S.gen.Val @finch.gen.expr(ptr %t142, %S.ast.Node %t149)
+  %t151 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t150, ptr %a128
+  store %S.gen.Val %t151, ptr %a152
+  call void @finch.drop.S_gen_Val(ptr %a152)
+  br label %endif5027
+endif5027:
+  %t153 = load ptr, ptr %a1
+  %t154 = icmp eq ptr %t153, null
+  br i1 %t154, label %panic5032, label %ok5033
+panic5032:
+  call void @finch_panic(ptr @.str.3152, i64 2315, ptr @.str.3153)
+  unreachable
+ok5033:
+  %t155 = getelementptr inbounds %S.gen.Gen, ptr %t153, i32 0, i32 11
+  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %t155, i32 0, i32 1
+  %t157 = load i64, ptr %t156
+  store i64 %t157, ptr %a158
+  %t159 = load ptr, ptr %a1
+  %t160 = load %S.gen.Val, ptr %a128
+  call void @finch.gen.hold(ptr %t159, %S.gen.Val %t160)
+  %t161 = load ptr, ptr %a1
+  %t162 = load %S.ast.Node, ptr %a13
+  %t163 = call %S.gen.Place @finch.gen.place(ptr %t161, %S.ast.Node %t162, i1 true)
+  store %S.gen.Place %t163, ptr %a164
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.gen.Val, ptr %a128
+  %t167 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t168 = load %S.ast.Type, ptr %t167
+  %t169 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  %t171 = extractvalue { ptr, i64, i64 } %t170, 1
+  %t172 = icmp uge i64 1, %t171
+  br i1 %t172, label %range5034, label %inrange5035
+range5034:
+  call void @finch_panic_index(ptr @.str.3154, i64 2318, i64 1, i64 %t171)
+  unreachable
+inrange5035:
+  %t173 = extractvalue { ptr, i64, i64 } %t170, 0
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %t173, i64 1
+  %t175 = load %S.ast.Node, ptr %t174
+  %t176 = load { ptr, i64, i64 }, ptr %a78
+  %t177 = call %S.gen.Val @finch.gen.coerce(ptr %t165, %S.gen.Val %t166, %S.ast.Type %t168, %S.ast.Node %t175, { ptr, i64, i64 } %t176)
+  %t178 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t177, ptr %a128
+  store %S.gen.Val %t178, ptr %a179
+  call void @finch.drop.S_gen_Val(ptr %a179)
   %t180 = load ptr, ptr %a1
-  %t181 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 1
-  %t182 = load %S.ast.Type, ptr %t181
-  %t183 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t180, %S.ast.Type %t182)
+  %t181 = load %S.gen.Val, ptr %a128
+  %t182 = call { ptr, i64, i64 } @finch.gen.own(ptr %t180, %S.gen.Val %t181)
+  store { ptr, i64, i64 } %t182, ptr %a183
   %t184 = load ptr, ptr %a1
-  %t185 = load %S.gen.Val, ptr %a178
-  %t186 = call { ptr, i64, i64 } @finch.gen.own(ptr %t184, %S.gen.Val %t185)
-  %t187 = getelementptr inbounds %S.gen.Place, ptr %a143, i32 0, i32 0
-  %t188 = load { ptr, i64, i64 }, ptr %t187
-  call void @finch.gen.store(ptr %t179, { ptr, i64, i64 } %t183, { ptr, i64, i64 } %t186, { ptr, i64, i64 } %t188)
+  %t185 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t186 = load %S.ast.Type, ptr %t185
+  %t187 = call i1 @finch.gen.owning(ptr %t184, %S.ast.Type %t186)
+  br i1 %t187, label %then5036, label %else5037
+then5036:
+  %t188 = load ptr, ptr %a1
+  %t189 = load ptr, ptr %a1
+  %t190 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t191 = load %S.ast.Type, ptr %t190
+  %t192 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t189, %S.ast.Type %t191)
+  %t193 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
+  %t194 = load { ptr, i64, i64 }, ptr %t193
+  %t195 = call { ptr, i64, i64 } @finch.gen.load(ptr %t188, { ptr, i64, i64 } %t192, { ptr, i64, i64 } %t194)
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  store { ptr, i64, i64 } %t195, ptr %a197
+  %t198 = load ptr, ptr %a1
+  %t199 = load ptr, ptr %a1
+  %t200 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t201 = load %S.ast.Type, ptr %t200
+  %t202 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t199, %S.ast.Type %t201)
+  %t203 = load { ptr, i64, i64 }, ptr %a183
+  %t204 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
+  %t205 = load { ptr, i64, i64 }, ptr %t204
+  call void @finch.gen.store(ptr %t198, { ptr, i64, i64 } %t202, { ptr, i64, i64 } %t203, { ptr, i64, i64 } %t205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load ptr, ptr %a1
+  %t208 = load { ptr, i64, i64 }, ptr %a197
+  %t209 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t210 = load %S.ast.Type, ptr %t209
+  call void @finch.gen.dropValue(ptr %t207, { ptr, i64, i64 } %t208, %S.ast.Type %t210)
+  call void @finch_str_drop(ptr %a197)
+  br label %endif5038
+else5037:
+  %t211 = load ptr, ptr %a1
+  %t212 = load ptr, ptr %a1
+  %t213 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
+  %t214 = load %S.ast.Type, ptr %t213
+  %t215 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t212, %S.ast.Type %t214)
+  %t216 = load { ptr, i64, i64 }, ptr %a183
+  %t217 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
+  %t218 = load { ptr, i64, i64 }, ptr %t217
+  call void @finch.gen.store(ptr %t211, { ptr, i64, i64 } %t215, { ptr, i64, i64 } %t216, { ptr, i64, i64 } %t218)
+  store { ptr, i64, i64 } %t215, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  br label %endif5038
+endif5038:
+  %t220 = load ptr, ptr %a1
+  %t221 = load i64, ptr %a158
+  call void @finch.gen.heldEnd(ptr %t220, i64 %t221)
+  call void @finch_str_drop(ptr %a183)
+  call void @finch.drop.S_gen_Place(ptr %a164)
+  call void @finch.drop.S_gen_Val(ptr %a128)
+  call void @finch.drop.S_ast_Type(ptr %a104)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a16)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret void
+endif5018:
+  %t222 = load ptr, ptr %a1
+  %t223 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t224 = load { ptr, i64, i64 }, ptr %t223
+  %t225 = extractvalue { ptr, i64, i64 } %t224, 1
+  %t226 = icmp uge i64 1, %t225
+  br i1 %t226, label %range5039, label %inrange5040
+range5039:
+  call void @finch_panic_index(ptr @.str.3155, i64 2330, i64 1, i64 %t225)
+  unreachable
+inrange5040:
+  %t227 = extractvalue { ptr, i64, i64 } %t224, 0
+  %t228 = getelementptr inbounds %S.ast.Node, ptr %t227, i64 1
+  %t229 = load %S.ast.Node, ptr %t228
+  %t230 = call %S.gen.Val @finch.gen.expr(ptr %t222, %S.ast.Node %t229)
+  store %S.gen.Val %t230, ptr %a231
+  %t232 = load ptr, ptr %a1
+  %t233 = icmp eq ptr %t232, null
+  br i1 %t233, label %panic5041, label %ok5042
+panic5041:
+  call void @finch_panic(ptr @.str.3156, i64 2331, ptr @.str.3157)
+  unreachable
+ok5042:
+  %t234 = getelementptr inbounds %S.gen.Gen, ptr %t232, i32 0, i32 11
+  %t235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i32 0, i32 1
+  %t236 = load i64, ptr %t235
+  store i64 %t236, ptr %a237
+  %t238 = load ptr, ptr %a1
+  %t239 = load %S.gen.Val, ptr %a231
+  call void @finch.gen.hold(ptr %t238, %S.gen.Val %t239)
+  %t240 = load ptr, ptr %a1
+  %t241 = load %S.ast.Node, ptr %a13
+  %t242 = call %S.gen.Place @finch.gen.place(ptr %t240, %S.ast.Node %t241, i1 true)
+  store %S.gen.Place %t242, ptr %a243
+  %t244 = load ptr, ptr %a1
+  %t245 = load ptr, ptr %a1
+  %t246 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t247 = load %S.ast.Type, ptr %t246
+  %t248 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t245, %S.ast.Type %t247)
+  %t249 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 0
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  %t251 = call { ptr, i64, i64 } @finch.gen.load(ptr %t244, { ptr, i64, i64 } %t248, { ptr, i64, i64 } %t250)
+  store { ptr, i64, i64 } %t248, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t251, 0
+  %t254 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t255 = load %S.ast.Type, ptr %t254
+  store %S.ast.Type %t255, ptr %a256
+  call void @finch.copy.S_ast_Type(ptr %a257, ptr %a256)
+  %t258 = load %S.ast.Type, ptr %a257
+  %t259 = insertvalue %S.gen.Val %t253, %S.ast.Type %t258, 1
+  store %S.gen.Val %t259, ptr %a260
+  %t261 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t262 = load { ptr, i64, i64 }, ptr %t261
+  store { ptr, i64, i64 } %t262, ptr %a263
+  call void @finch_str_sub(ptr %a264, ptr %a263, i64 0, i64 1, ptr @.str.3158, i64 2335)
+  %t265 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t265, ptr %a266
+  %t267 = load ptr, ptr %a1
+  %t268 = load ptr, ptr %a1
+  %t269 = load { ptr, i64, i64 }, ptr %a266
+  %t270 = load %S.gen.Val, ptr %a260
+  %t271 = load %S.gen.Val, ptr %a231
+  %t272 = load %S.ast.Node, ptr %a2
+  %t273 = call %S.gen.Val @finch.gen.arith(ptr %t268, { ptr, i64, i64 } %t269, %S.gen.Val %t270, %S.gen.Val %t271, %S.ast.Node %t272)
+  %t274 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t275 = load %S.ast.Type, ptr %t274
+  %t276 = load %S.ast.Node, ptr %a2
+  %t277 = load { ptr, i64, i64 }, ptr %a78
+  %t278 = call %S.gen.Val @finch.gen.coerce(ptr %t267, %S.gen.Val %t273, %S.ast.Type %t275, %S.ast.Node %t276, { ptr, i64, i64 } %t277)
+  store %S.gen.Val %t273, ptr %a279
+  call void @finch.drop.S_gen_Val(ptr %a279)
+  store %S.gen.Val %t278, ptr %a280
+  %t281 = load ptr, ptr %a1
+  %t282 = load %S.gen.Val, ptr %a280
+  %t283 = call { ptr, i64, i64 } @finch.gen.own(ptr %t281, %S.gen.Val %t282)
+  store { ptr, i64, i64 } %t283, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = load ptr, ptr %a1
+  %t287 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t288 = load %S.ast.Type, ptr %t287
+  %t289 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t286, %S.ast.Type %t288)
+  %t290 = load { ptr, i64, i64 }, ptr %a284
+  %t291 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 0
+  %t292 = load { ptr, i64, i64 }, ptr %t291
+  call void @finch.gen.store(ptr %t285, { ptr, i64, i64 } %t289, { ptr, i64, i64 } %t290, { ptr, i64, i64 } %t292)
+  store { ptr, i64, i64 } %t289, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load ptr, ptr %a1
+  %t295 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t296 = load %S.ast.Type, ptr %t295
+  %t297 = call i1 @finch.gen.owning(ptr %t294, %S.ast.Type %t296)
+  br i1 %t297, label %then5043, label %endif5045
+then5043:
+  %t298 = load ptr, ptr %a1
+  %t299 = getelementptr inbounds %S.gen.Val, ptr %a260, i32 0, i32 0
+  %t300 = load { ptr, i64, i64 }, ptr %t299
+  %t301 = getelementptr inbounds %S.gen.Place, ptr %a243, i32 0, i32 1
+  %t302 = load %S.ast.Type, ptr %t301
+  call void @finch.gen.dropValue(ptr %t298, { ptr, i64, i64 } %t300, %S.ast.Type %t302)
+  br label %endif5045
+endif5045:
+  %t303 = load ptr, ptr %a1
+  %t304 = load i64, ptr %a237
+  call void @finch.gen.heldEnd(ptr %t303, i64 %t304)
+  call void @finch_str_drop(ptr %a284)
+  call void @finch.drop.S_gen_Val(ptr %a280)
+  call void @finch_str_drop(ptr %a266)
+  call void @finch.drop.S_gen_Val(ptr %a260)
+  call void @finch.drop.S_gen_Place(ptr %a243)
+  call void @finch.drop.S_gen_Val(ptr %a231)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a16)
+  call void @finch.drop.S_ast_Node(ptr %a13)
   ret void
 }
 
@@ -43485,22 +50785,31 @@ define internal { ptr, i64, i64 } @finch.gen.condition(ptr %p0, %S.ast.Node %p1)
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
-  %a11 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca %S.gen.Val, align 16
+  %a11 = alloca %S.ast.Type, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load ptr, ptr %a1
   %t5 = load %S.ast.Node, ptr %a2
   %t6 = call %S.gen.Val @finch.gen.expr(ptr %t4, %S.ast.Node %t5)
-  %t7 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3056, i64 4, i64 0 })
+  %t7 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3159, i64 4, i64 0 })
   %t8 = load %S.ast.Node, ptr %a2
-  %t9 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t6, %S.ast.Type %t7, %S.ast.Node %t8, { ptr, i64, i64 } { ptr @.str.3057, i64 11, i64 0 })
-  %t10 = extractvalue %S.gen.Val %t9, 0
-  store { ptr, i64, i64 } %t10, ptr %a11
-  call void @finch_str_copy(ptr %a12, ptr %a11)
-  %t13 = load { ptr, i64, i64 }, ptr %a12
-  ret { ptr, i64, i64 } %t13
+  %t9 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t6, %S.ast.Type %t7, %S.ast.Node %t8, { ptr, i64, i64 } { ptr @.str.3160, i64 11, i64 0 })
+  store %S.gen.Val %t6, ptr %a10
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  store %S.ast.Type %t7, ptr %a11
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  %t12 = extractvalue %S.gen.Val %t9, 0
+  store { ptr, i64, i64 } %t12, ptr %a13
+  call void @finch_str_copy(ptr %a14, ptr %a13)
+  %t15 = load { ptr, i64, i64 }, ptr %a14
+  store %S.gen.Val %t9, ptr %a16
+  call void @finch.drop.S_gen_Val(ptr %a16)
+  ret { ptr, i64, i64 } %t15
 }
 
 define internal void @finch.gen.ifStmt(ptr %p0, %S.ast.Node %p1) {
@@ -43519,45 +50828,45 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %t4
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 0, %t6
-  br i1 %t7, label %range4783, label %inrange4784
-range4783:
-  call void @finch_panic_index(ptr @.str.3058, i64 2161, i64 0, i64 %t6)
+  br i1 %t7, label %range5046, label %inrange5047
+range5046:
+  call void @finch_panic_index(ptr @.str.3161, i64 2350, i64 0, i64 %t6)
   unreachable
-inrange4784:
+inrange5047:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds %S.ast.Node, ptr %t8, i64 0
   %t10 = load %S.ast.Node, ptr %t9
   %t11 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t3, %S.ast.Node %t10)
   store { ptr, i64, i64 } %t11, ptr %a12
   %t13 = load ptr, ptr %a1
-  %t14 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t13, { ptr, i64, i64 } { ptr @.str.3059, i64 4, i64 0 })
+  %t14 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t13, { ptr, i64, i64 } { ptr @.str.3162, i64 4, i64 0 })
   store { ptr, i64, i64 } %t14, ptr %a15
   %t16 = load ptr, ptr %a1
-  %t17 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t16, { ptr, i64, i64 } { ptr @.str.3060, i64 4, i64 0 })
+  %t17 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t16, { ptr, i64, i64 } { ptr @.str.3163, i64 4, i64 0 })
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = load ptr, ptr %a1
-  %t20 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t19, { ptr, i64, i64 } { ptr @.str.3061, i64 5, i64 0 })
+  %t20 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t19, { ptr, i64, i64 } { ptr @.str.3164, i64 5, i64 0 })
   store { ptr, i64, i64 } %t20, ptr %a21
   %t22 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = icmp sgt i64 %t24, 2
-  br i1 %t25, label %then4785, label %else4786
-then4785:
+  br i1 %t25, label %then5048, label %else5049
+then5048:
   %t26 = load ptr, ptr %a1
   %t27 = load { ptr, i64, i64 }, ptr %a12
   %t28 = load { ptr, i64, i64 }, ptr %a15
   %t29 = load { ptr, i64, i64 }, ptr %a18
   call void @finch.gen.condBr(ptr %t26, { ptr, i64, i64 } %t27, { ptr, i64, i64 } %t28, { ptr, i64, i64 } %t29)
-  br label %endif4787
-else4786:
+  br label %endif5050
+else5049:
   %t30 = load ptr, ptr %a1
   %t31 = load { ptr, i64, i64 }, ptr %a12
   %t32 = load { ptr, i64, i64 }, ptr %a15
   %t33 = load { ptr, i64, i64 }, ptr %a21
   call void @finch.gen.condBr(ptr %t30, { ptr, i64, i64 } %t31, { ptr, i64, i64 } %t32, { ptr, i64, i64 } %t33)
-  br label %endif4787
-endif4787:
+  br label %endif5050
+endif5050:
   %t34 = load ptr, ptr %a1
   %t35 = load { ptr, i64, i64 }, ptr %a15
   call void @finch.gen.label(ptr %t34, { ptr, i64, i64 } %t35)
@@ -43566,22 +50875,22 @@ endif4787:
   %t38 = load { ptr, i64, i64 }, ptr %t37
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 1, %t39
-  br i1 %t40, label %range4788, label %inrange4789
-range4788:
-  call void @finch_panic_index(ptr @.str.3062, i64 2171, i64 1, i64 %t39)
+  br i1 %t40, label %range5051, label %inrange5052
+range5051:
+  call void @finch_panic_index(ptr @.str.3165, i64 2360, i64 1, i64 %t39)
   unreachable
-inrange4789:
+inrange5052:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i64 1
   %t43 = load %S.ast.Node, ptr %t42
   call void @finch.gen.block(ptr %t36, %S.ast.Node %t43, i1 true)
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic4790, label %ok4791
-panic4790:
-  call void @finch_panic(ptr @.str.3063, i64 2172, ptr @.str.3064)
+  br i1 %t45, label %panic5053, label %ok5054
+panic5053:
+  call void @finch_panic(ptr @.str.3166, i64 2361, ptr @.str.3167)
   unreachable
-ok4791:
+ok5054:
   %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 9
   %t47 = load i1, ptr %t46
   %t48 = xor i1 %t47, true
@@ -43593,8 +50902,8 @@ ok4791:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i32 0, i32 1
   %t54 = load i64, ptr %t53
   %t55 = icmp sgt i64 %t54, 2
-  br i1 %t55, label %then4792, label %else4793
-then4792:
+  br i1 %t55, label %then5055, label %else5056
+then5055:
   %t56 = load ptr, ptr %a1
   %t57 = load { ptr, i64, i64 }, ptr %a18
   call void @finch.gen.label(ptr %t56, { ptr, i64, i64 } %t57)
@@ -43603,52 +50912,56 @@ then4792:
   %t60 = load { ptr, i64, i64 }, ptr %t59
   %t61 = extractvalue { ptr, i64, i64 } %t60, 1
   %t62 = icmp uge i64 2, %t61
-  br i1 %t62, label %range4795, label %inrange4796
-range4795:
-  call void @finch_panic_index(ptr @.str.3065, i64 2176, i64 2, i64 %t61)
+  br i1 %t62, label %range5058, label %inrange5059
+range5058:
+  call void @finch_panic_index(ptr @.str.3168, i64 2365, i64 2, i64 %t61)
   unreachable
-inrange4796:
+inrange5059:
   %t63 = extractvalue { ptr, i64, i64 } %t60, 0
   %t64 = getelementptr inbounds %S.ast.Node, ptr %t63, i64 2
   %t65 = load %S.ast.Node, ptr %t64
   call void @finch.gen.stmt(ptr %t58, %S.ast.Node %t65)
   %t66 = load i1, ptr %a49
-  br label %logic.from4797
-logic.from4797:
-  br i1 %t66, label %logic.end4799, label %logic.rhs4798
-logic.rhs4798:
+  br label %logic.from5060
+logic.from5060:
+  br i1 %t66, label %logic.end5062, label %logic.rhs5061
+logic.rhs5061:
   %t67 = load ptr, ptr %a1
   %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic4800, label %ok4801
-panic4800:
-  call void @finch_panic(ptr @.str.3066, i64 2177, ptr @.str.3067)
+  br i1 %t68, label %panic5063, label %ok5064
+panic5063:
+  call void @finch_panic(ptr @.str.3169, i64 2366, ptr @.str.3170)
   unreachable
-ok4801:
+ok5064:
   %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 9
   %t70 = load i1, ptr %t69
   %t71 = xor i1 %t70, true
-  br label %logic.rend4802
-logic.rend4802:
-  br label %logic.end4799
-logic.end4799:
-  %t72 = phi i1 [ true, %logic.from4797 ], [ %t71, %logic.rend4802 ]
+  br label %logic.rend5065
+logic.rend5065:
+  br label %logic.end5062
+logic.end5062:
+  %t72 = phi i1 [ true, %logic.from5060 ], [ %t71, %logic.rend5065 ]
   store i1 %t72, ptr %a49
   %t73 = load ptr, ptr %a1
   %t74 = load { ptr, i64, i64 }, ptr %a21
   call void @finch.gen.br(ptr %t73, { ptr, i64, i64 } %t74)
-  br label %endif4794
-else4793:
+  br label %endif5057
+else5056:
   store i1 true, ptr %a49
-  br label %endif4794
-endif4794:
+  br label %endif5057
+endif5057:
   %t75 = load i1, ptr %a49
-  br i1 %t75, label %then4803, label %endif4805
-then4803:
+  br i1 %t75, label %then5066, label %endif5068
+then5066:
   %t76 = load ptr, ptr %a1
   %t77 = load { ptr, i64, i64 }, ptr %a21
   call void @finch.gen.label(ptr %t76, { ptr, i64, i64 } %t77)
-  br label %endif4805
-endif4805:
+  br label %endif5068
+endif5068:
+  call void @finch_str_drop(ptr %a21)
+  call void @finch_str_drop(ptr %a18)
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a12)
   ret void
 }
 
@@ -43669,17 +50982,18 @@ entry:
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca i1, align 16
+  %a99 = alloca i1, align 16
+  %a118 = alloca %S.gen.Loop, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
-  %t4 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t3, { ptr, i64, i64 } { ptr @.str.3068, i64 10, i64 0 })
+  %t4 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t3, { ptr, i64, i64 } { ptr @.str.3171, i64 10, i64 0 })
   store { ptr, i64, i64 } %t4, ptr %a5
   %t6 = load ptr, ptr %a1
-  %t7 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t6, { ptr, i64, i64 } { ptr @.str.3069, i64 10, i64 0 })
+  %t7 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t6, { ptr, i64, i64 } { ptr @.str.3172, i64 10, i64 0 })
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load ptr, ptr %a1
-  %t10 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t9, { ptr, i64, i64 } { ptr @.str.3070, i64 9, i64 0 })
+  %t10 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t9, { ptr, i64, i64 } { ptr @.str.3173, i64 9, i64 0 })
   store { ptr, i64, i64 } %t10, ptr %a11
   %t12 = load ptr, ptr %a1
   %t13 = load { ptr, i64, i64 }, ptr %a5
@@ -43691,87 +51005,87 @@ entry:
   %t17 = load { ptr, i64, i64 }, ptr %t16
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 0, %t18
-  br i1 %t19, label %range4806, label %inrange4807
-range4806:
-  call void @finch_panic_index(ptr @.str.3071, i64 2193, i64 0, i64 %t18)
+  br i1 %t19, label %range5069, label %inrange5070
+range5069:
+  call void @finch_panic_index(ptr @.str.3174, i64 2382, i64 0, i64 %t18)
   unreachable
-inrange4807:
+inrange5070:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.ast.Node, ptr %t20, i64 0
   %t22 = getelementptr inbounds %S.ast.Node, ptr %t21, i32 0, i32 0
   %t23 = load { ptr, i64, i64 }, ptr %t22
   store { ptr, i64, i64 } %t23, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.3072, i64 4, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.3175, i64 4, i64 0 }, ptr %a25
   %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.from4808
-logic.from4808:
-  br i1 %t27, label %logic.rhs4809, label %logic.end4810
-logic.rhs4809:
+  br label %logic.from5071
+logic.from5071:
+  br i1 %t27, label %logic.rhs5072, label %logic.end5073
+logic.rhs5072:
   %t28 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t29 = load { ptr, i64, i64 }, ptr %t28
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 0, %t30
-  br i1 %t31, label %range4811, label %inrange4812
-range4811:
-  call void @finch_panic_index(ptr @.str.3073, i64 2193, i64 0, i64 %t30)
+  br i1 %t31, label %range5074, label %inrange5075
+range5074:
+  call void @finch_panic_index(ptr @.str.3176, i64 2382, i64 0, i64 %t30)
   unreachable
-inrange4812:
+inrange5075:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.ast.Node, ptr %t32, i64 0
   %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i32 0, i32 4
   %t35 = load { ptr, i64, i64 }, ptr %t34
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.3074, i64 4, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.3177, i64 4, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.rend4813
-logic.rend4813:
-  br label %logic.end4810
-logic.end4810:
-  %t40 = phi i1 [ false, %logic.from4808 ], [ %t39, %logic.rend4813 ]
+  br label %logic.rend5076
+logic.rend5076:
+  br label %logic.end5073
+logic.end5073:
+  %t40 = phi i1 [ false, %logic.from5071 ], [ %t39, %logic.rend5076 ]
   store i1 %t40, ptr %a41
   %t42 = load ptr, ptr %a1
   %t43 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t44 = load { ptr, i64, i64 }, ptr %t43
   %t45 = extractvalue { ptr, i64, i64 } %t44, 1
   %t46 = icmp uge i64 0, %t45
-  br i1 %t46, label %range4814, label %inrange4815
-range4814:
-  call void @finch_panic_index(ptr @.str.3075, i64 2194, i64 0, i64 %t45)
+  br i1 %t46, label %range5077, label %inrange5078
+range5077:
+  call void @finch_panic_index(ptr @.str.3178, i64 2383, i64 0, i64 %t45)
   unreachable
-inrange4815:
+inrange5078:
   %t47 = extractvalue { ptr, i64, i64 } %t44, 0
   %t48 = getelementptr inbounds %S.ast.Node, ptr %t47, i64 0
   %t49 = load %S.ast.Node, ptr %t48
   %t50 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t42, %S.ast.Node %t49)
   store { ptr, i64, i64 } %t50, ptr %a51
   %t52 = load i1, ptr %a41
-  br i1 %t52, label %then4816, label %else4817
-then4816:
+  br i1 %t52, label %then5079, label %else5080
+then5079:
   %t53 = load ptr, ptr %a1
   %t54 = load { ptr, i64, i64 }, ptr %a8
   call void @finch.gen.br(ptr %t53, { ptr, i64, i64 } %t54)
-  br label %endif4818
-else4817:
+  br label %endif5081
+else5080:
   %t55 = load ptr, ptr %a1
   %t56 = load { ptr, i64, i64 }, ptr %a51
   %t57 = load { ptr, i64, i64 }, ptr %a8
   %t58 = load { ptr, i64, i64 }, ptr %a11
   call void @finch.gen.condBr(ptr %t55, { ptr, i64, i64 } %t56, { ptr, i64, i64 } %t57, { ptr, i64, i64 } %t58)
-  br label %endif4818
-endif4818:
+  br label %endif5081
+endif5081:
   %t59 = load ptr, ptr %a1
   %t60 = load { ptr, i64, i64 }, ptr %a8
   call void @finch.gen.label(ptr %t59, { ptr, i64, i64 } %t60)
   %t61 = load ptr, ptr %a1
   %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic4819, label %ok4820
-panic4819:
-  call void @finch_panic(ptr @.str.3076, i64 2201, ptr @.str.3077)
+  br i1 %t62, label %panic5082, label %ok5083
+panic5082:
+  call void @finch_panic(ptr @.str.3179, i64 2390, ptr @.str.3180)
   unreachable
-ok4820:
-  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 11
+ok5083:
+  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 12
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
   %t65 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t65, ptr %a66
@@ -43785,93 +51099,110 @@ ok4820:
   %t74 = insertvalue %S.gen.Loop %t69, { ptr, i64, i64 } %t73, 1
   %t75 = load ptr, ptr %a1
   %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic4821, label %ok4822
-panic4821:
-  call void @finch_panic(ptr @.str.3078, i64 2201, ptr @.str.3079)
+  br i1 %t76, label %panic5084, label %ok5085
+panic5084:
+  call void @finch_panic(ptr @.str.3181, i64 2390, ptr @.str.3182)
   unreachable
-ok4822:
+ok5085:
   %t77 = getelementptr inbounds %S.gen.Gen, ptr %t75, i32 0, i32 10
   %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
   %t79 = load i64, ptr %t78
   %t80 = insertvalue %S.gen.Loop %t74, i64 %t79, 2
-  %t81 = load i64, ptr %t64
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %t63, i64 %t82, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %t63
-  %t84 = getelementptr inbounds %S.gen.Loop, ptr %t83, i64 %t81
-  store %S.gen.Loop %t80, ptr %t84
-  store i64 %t82, ptr %t64
-  %t85 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 1, %t87
-  br i1 %t88, label %range4823, label %inrange4824
-range4823:
-  call void @finch_panic_index(ptr @.str.3080, i64 2202, i64 1, i64 %t87)
+  %t81 = load ptr, ptr %a1
+  %t82 = icmp eq ptr %t81, null
+  br i1 %t82, label %panic5086, label %ok5087
+panic5086:
+  call void @finch_panic(ptr @.str.3183, i64 2390, ptr @.str.3184)
   unreachable
-inrange4824:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %t89, i64 1
-  %t91 = load %S.ast.Node, ptr %t90
-  %t92 = call i1 @finch.gen.countBreaks(%S.ast.Node %t91)
-  store i1 %t92, ptr %a93
-  %t94 = load ptr, ptr %a1
-  %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t96 = load { ptr, i64, i64 }, ptr %t95
-  %t97 = extractvalue { ptr, i64, i64 } %t96, 1
-  %t98 = icmp uge i64 1, %t97
-  br i1 %t98, label %range4825, label %inrange4826
-range4825:
-  call void @finch_panic_index(ptr @.str.3081, i64 2203, i64 1, i64 %t97)
+ok5087:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 11
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = insertvalue %S.gen.Loop %t80, i64 %t85, 3
+  %t87 = load i64, ptr %t64
+  %t88 = add i64 %t87, 1
+  call void @finch_arr_reserve(ptr %t63, i64 %t88, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t89 = load ptr, ptr %t63
+  %t90 = getelementptr inbounds %S.gen.Loop, ptr %t89, i64 %t87
+  store %S.gen.Loop %t86, ptr %t90
+  store i64 %t88, ptr %t64
+  %t91 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t92 = load { ptr, i64, i64 }, ptr %t91
+  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
+  %t94 = icmp uge i64 1, %t93
+  br i1 %t94, label %range5088, label %inrange5089
+range5088:
+  call void @finch_panic_index(ptr @.str.3185, i64 2391, i64 1, i64 %t93)
   unreachable
-inrange4826:
-  %t99 = extractvalue { ptr, i64, i64 } %t96, 0
-  %t100 = getelementptr inbounds %S.ast.Node, ptr %t99, i64 1
-  %t101 = load %S.ast.Node, ptr %t100
-  call void @finch.gen.block(ptr %t94, %S.ast.Node %t101, i1 true)
-  %t102 = load ptr, ptr %a1
-  %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic4827, label %ok4828
-panic4827:
-  call void @finch_panic(ptr @.str.3082, i64 2204, ptr @.str.3083)
+inrange5089:
+  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %t95, i64 1
+  %t97 = load %S.ast.Node, ptr %t96
+  %t98 = call i1 @finch.gen.countBreaks(%S.ast.Node %t97)
+  store i1 %t98, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  %t103 = extractvalue { ptr, i64, i64 } %t102, 1
+  %t104 = icmp uge i64 1, %t103
+  br i1 %t104, label %range5090, label %inrange5091
+range5090:
+  call void @finch_panic_index(ptr @.str.3186, i64 2392, i64 1, i64 %t103)
   unreachable
-ok4828:
-  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 11
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
-  %t106 = load i64, ptr %t105
-  %t107 = icmp eq i64 %t106, 0
-  br i1 %t107, label %panic4829, label %ok4830
-panic4829:
-  call void @finch_panic(ptr @.str.3084, i64 2204, ptr @.str.3085)
+inrange5091:
+  %t105 = extractvalue { ptr, i64, i64 } %t102, 0
+  %t106 = getelementptr inbounds %S.ast.Node, ptr %t105, i64 1
+  %t107 = load %S.ast.Node, ptr %t106
+  call void @finch.gen.block(ptr %t100, %S.ast.Node %t107, i1 true)
+  %t108 = load ptr, ptr %a1
+  %t109 = icmp eq ptr %t108, null
+  br i1 %t109, label %panic5092, label %ok5093
+panic5092:
+  call void @finch_panic(ptr @.str.3187, i64 2393, ptr @.str.3188)
   unreachable
-ok4830:
-  %t108 = sub i64 %t106, 1
-  %t109 = load ptr, ptr %t104
-  %t110 = getelementptr inbounds %S.gen.Loop, ptr %t109, i64 %t108
-  %t111 = load %S.gen.Loop, ptr %t110
-  store i64 %t108, ptr %t105
-  %t112 = load ptr, ptr %a1
-  %t113 = load { ptr, i64, i64 }, ptr %a5
-  call void @finch.gen.br(ptr %t112, { ptr, i64, i64 } %t113)
-  %t114 = load i1, ptr %a41
-  %t115 = xor i1 %t114, true
-  br label %logic.from4831
-logic.from4831:
-  br i1 %t115, label %logic.end4833, label %logic.rhs4832
-logic.rhs4832:
-  %t116 = load i1, ptr %a93
-  br label %logic.rend4834
-logic.rend4834:
-  br label %logic.end4833
-logic.end4833:
-  %t117 = phi i1 [ true, %logic.from4831 ], [ %t116, %logic.rend4834 ]
-  br i1 %t117, label %then4835, label %endif4837
-then4835:
-  %t118 = load ptr, ptr %a1
-  %t119 = load { ptr, i64, i64 }, ptr %a11
-  call void @finch.gen.label(ptr %t118, { ptr, i64, i64 } %t119)
-  br label %endif4837
-endif4837:
+ok5093:
+  %t110 = getelementptr inbounds %S.gen.Gen, ptr %t108, i32 0, i32 12
+  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i32 0, i32 1
+  %t112 = load i64, ptr %t111
+  %t113 = icmp eq i64 %t112, 0
+  br i1 %t113, label %panic5094, label %ok5095
+panic5094:
+  call void @finch_panic(ptr @.str.3189, i64 2393, ptr @.str.3190)
+  unreachable
+ok5095:
+  %t114 = sub i64 %t112, 1
+  %t115 = load ptr, ptr %t110
+  %t116 = getelementptr inbounds %S.gen.Loop, ptr %t115, i64 %t114
+  %t117 = load %S.gen.Loop, ptr %t116
+  store i64 %t114, ptr %t111
+  store %S.gen.Loop %t117, ptr %a118
+  call void @finch.drop.S_gen_Loop(ptr %a118)
+  %t119 = load ptr, ptr %a1
+  %t120 = load { ptr, i64, i64 }, ptr %a5
+  call void @finch.gen.br(ptr %t119, { ptr, i64, i64 } %t120)
+  %t121 = load i1, ptr %a41
+  %t122 = xor i1 %t121, true
+  br label %logic.from5096
+logic.from5096:
+  br i1 %t122, label %logic.end5098, label %logic.rhs5097
+logic.rhs5097:
+  %t123 = load i1, ptr %a99
+  br label %logic.rend5099
+logic.rend5099:
+  br label %logic.end5098
+logic.end5098:
+  %t124 = phi i1 [ true, %logic.from5096 ], [ %t123, %logic.rend5099 ]
+  br i1 %t124, label %then5100, label %endif5102
+then5100:
+  %t125 = load ptr, ptr %a1
+  %t126 = load { ptr, i64, i64 }, ptr %a11
+  call void @finch.gen.label(ptr %t125, { ptr, i64, i64 } %t126)
+  br label %endif5102
+endif5102:
+  call void @finch_str_drop(ptr %a51)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a5)
   ret void
 }
 
@@ -43892,80 +51223,80 @@ entry:
   %t2 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t3 = load { ptr, i64, i64 }, ptr %t2
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.3086, i64 5, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.3191, i64 5, i64 0 }, ptr %a5
   %t6 = call i32 @finch_str_eq(ptr %a4, ptr %a5)
   %t7 = icmp ne i32 %t6, 0
-  br i1 %t7, label %then4838, label %endif4840
-then4838:
+  br i1 %t7, label %then5103, label %endif5105
+then5103:
   ret i1 true
-endif4840:
+endif5105:
   %t8 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t9 = load { ptr, i64, i64 }, ptr %t8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.3087, i64 5, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.3192, i64 5, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from4841
-logic.from4841:
-  br i1 %t13, label %logic.end4843, label %logic.rhs4842
-logic.rhs4842:
+  br label %logic.from5106
+logic.from5106:
+  br i1 %t13, label %logic.end5108, label %logic.rhs5107
+logic.rhs5107:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3088, i64 3, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.3193, i64 3, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br label %logic.rend4844
-logic.rend4844:
-  br label %logic.end4843
-logic.end4843:
-  %t20 = phi i1 [ true, %logic.from4841 ], [ %t19, %logic.rend4844 ]
-  br label %logic.from4845
-logic.from4845:
-  br i1 %t20, label %logic.end4847, label %logic.rhs4846
-logic.rhs4846:
+  br label %logic.rend5109
+logic.rend5109:
+  br label %logic.end5108
+logic.end5108:
+  %t20 = phi i1 [ true, %logic.from5106 ], [ %t19, %logic.rend5109 ]
+  br label %logic.from5110
+logic.from5110:
+  br i1 %t20, label %logic.end5112, label %logic.rhs5111
+logic.rhs5111:
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 0
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3089, i64 4, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.3194, i64 4, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br label %logic.rend4848
-logic.rend4848:
-  br label %logic.end4847
-logic.end4847:
-  %t27 = phi i1 [ true, %logic.from4845 ], [ %t26, %logic.rend4848 ]
-  br i1 %t27, label %then4849, label %endif4851
-then4849:
+  br label %logic.rend5113
+logic.rend5113:
+  br label %logic.end5112
+logic.end5112:
+  %t27 = phi i1 [ true, %logic.from5110 ], [ %t26, %logic.rend5113 ]
+  br i1 %t27, label %then5114, label %endif5116
+then5114:
   ret i1 false
-endif4851:
+endif5116:
   %t28 = getelementptr inbounds %S.ast.Node, ptr %a1, i32 0, i32 9
   store i64 0, ptr %a29
-  br label %each.cond4852
-each.cond4852:
+  br label %each.cond5117
+each.cond5117:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = load i64, ptr %a29
   %t33 = icmp slt i64 %t32, %t31
-  br i1 %t33, label %each.body4853, label %each.end4855
-each.body4853:
+  br i1 %t33, label %each.body5118, label %each.end5120
+each.body5118:
   %t34 = load ptr, ptr %t28
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 %t32
   %t36 = load %S.ast.Node, ptr %t35
   store %S.ast.Node %t36, ptr %a37
   %t38 = load %S.ast.Node, ptr %a37
   %t39 = call i1 @finch.gen.countBreaks(%S.ast.Node %t38)
-  br i1 %t39, label %then4856, label %endif4858
-then4856:
+  br i1 %t39, label %then5121, label %endif5123
+then5121:
   ret i1 true
-endif4858:
-  br label %each.step4854
-each.step4854:
+endif5123:
+  br label %each.step5119
+each.step5119:
   %t40 = load i64, ptr %a29
   %t41 = add i64 %t40, 1
   store i64 %t41, ptr %a29
-  br label %each.cond4852
-each.end4855:
+  br label %each.cond5117
+each.end5120:
   ret i1 false
 }
 
@@ -43973,39 +51304,53 @@ define internal void @finch.gen.forStmt(ptr %p0, %S.ast.Node %p1) {
 entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca %S.gen.Val, align 16
+  %a23 = alloca %S.ast.Type, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca %S.gen.Val, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.gen.Val, align 16
+  %a50 = alloca %S.ast.Type, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca %S.gen.Val, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca %S.ast.Type, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca %S.gen.Loop, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -44014,229 +51359,278 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range4859, label %inrange4860
-range4859:
-  call void @finch_panic_index(ptr @.str.3090, i64 2228, i64 0, i64 %t7)
+  br i1 %t8, label %range5124, label %inrange5125
+range5124:
+  call void @finch_panic_index(ptr @.str.3195, i64 2417, i64 0, i64 %t7)
   unreachable
-inrange4860:
+inrange5125:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
   %t12 = call %S.gen.Val @finch.gen.expr(ptr %t4, %S.ast.Node %t11)
-  %t13 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3091, i64 3, i64 0 })
+  %t13 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3196, i64 3, i64 0 })
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t15 = load { ptr, i64, i64 }, ptr %t14
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 0, %t16
-  br i1 %t17, label %range4861, label %inrange4862
-range4861:
-  call void @finch_panic_index(ptr @.str.3092, i64 2228, i64 0, i64 %t16)
+  br i1 %t17, label %range5126, label %inrange5127
+range5126:
+  call void @finch_panic_index(ptr @.str.3197, i64 2417, i64 0, i64 %t16)
   unreachable
-inrange4862:
+inrange5127:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.ast.Node, ptr %t18, i64 0
   %t20 = load %S.ast.Node, ptr %t19
-  %t21 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t12, %S.ast.Type %t13, %S.ast.Node %t20, { ptr, i64, i64 } { ptr @.str.3093, i64 20, i64 0 })
-  %t22 = extractvalue %S.gen.Val %t21, 0
-  store { ptr, i64, i64 } %t22, ptr %a23
-  call void @finch_str_copy(ptr %a24, ptr %a23)
-  %t25 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t25, ptr %a26
-  %t27 = load ptr, ptr %a1
-  %t28 = load ptr, ptr %a1
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t30 = load { ptr, i64, i64 }, ptr %t29
-  %t31 = extractvalue { ptr, i64, i64 } %t30, 1
-  %t32 = icmp uge i64 1, %t31
-  br i1 %t32, label %range4863, label %inrange4864
-range4863:
-  call void @finch_panic_index(ptr @.str.3094, i64 2229, i64 1, i64 %t31)
+  %t21 = call %S.gen.Val @finch.gen.coerce(ptr %t3, %S.gen.Val %t12, %S.ast.Type %t13, %S.ast.Node %t20, { ptr, i64, i64 } { ptr @.str.3198, i64 20, i64 0 })
+  store %S.gen.Val %t12, ptr %a22
+  call void @finch.drop.S_gen_Val(ptr %a22)
+  store %S.ast.Type %t13, ptr %a23
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  %t24 = extractvalue %S.gen.Val %t21, 0
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_copy(ptr %a26, ptr %a25)
+  %t27 = load { ptr, i64, i64 }, ptr %a26
+  store %S.gen.Val %t21, ptr %a28
+  call void @finch.drop.S_gen_Val(ptr %a28)
+  store { ptr, i64, i64 } %t27, ptr %a29
+  %t30 = load ptr, ptr %a1
+  %t31 = load ptr, ptr %a1
+  %t32 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t33 = load { ptr, i64, i64 }, ptr %t32
+  %t34 = extractvalue { ptr, i64, i64 } %t33, 1
+  %t35 = icmp uge i64 1, %t34
+  br i1 %t35, label %range5128, label %inrange5129
+range5128:
+  call void @finch_panic_index(ptr @.str.3199, i64 2418, i64 1, i64 %t34)
   unreachable
-inrange4864:
-  %t33 = extractvalue { ptr, i64, i64 } %t30, 0
-  %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 1
-  %t35 = load %S.ast.Node, ptr %t34
-  %t36 = call %S.gen.Val @finch.gen.expr(ptr %t28, %S.ast.Node %t35)
-  %t37 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3095, i64 3, i64 0 })
-  %t38 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t39 = load { ptr, i64, i64 }, ptr %t38
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = icmp uge i64 1, %t40
-  br i1 %t41, label %range4865, label %inrange4866
-range4865:
-  call void @finch_panic_index(ptr @.str.3096, i64 2229, i64 1, i64 %t40)
+inrange5129:
+  %t36 = extractvalue { ptr, i64, i64 } %t33, 0
+  %t37 = getelementptr inbounds %S.ast.Node, ptr %t36, i64 1
+  %t38 = load %S.ast.Node, ptr %t37
+  %t39 = call %S.gen.Val @finch.gen.expr(ptr %t31, %S.ast.Node %t38)
+  %t40 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3200, i64 3, i64 0 })
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t42 = load { ptr, i64, i64 }, ptr %t41
+  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
+  %t44 = icmp uge i64 1, %t43
+  br i1 %t44, label %range5130, label %inrange5131
+range5130:
+  call void @finch_panic_index(ptr @.str.3201, i64 2418, i64 1, i64 %t43)
   unreachable
-inrange4866:
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 1
-  %t44 = load %S.ast.Node, ptr %t43
-  %t45 = call %S.gen.Val @finch.gen.coerce(ptr %t27, %S.gen.Val %t36, %S.ast.Type %t37, %S.ast.Node %t44, { ptr, i64, i64 } { ptr @.str.3097, i64 18, i64 0 })
-  %t46 = extractvalue %S.gen.Val %t45, 0
-  store { ptr, i64, i64 } %t46, ptr %a47
-  call void @finch_str_copy(ptr %a48, ptr %a47)
-  %t49 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t49, ptr %a50
-  %t51 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t51)
-  %t52 = load ptr, ptr %a1
-  %t53 = load %S.ast.Node, ptr %a2
-  %t54 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  %t56 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3098, i64 3, i64 0 })
-  %t57 = load { ptr, i64, i64 }, ptr %a26
-  %t58 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t52, %S.ast.Node %t53, { ptr, i64, i64 } %t55, %S.ast.Type %t56, { ptr, i64, i64 } %t57, i1 true)
-  store { ptr, i64, i64 } %t58, ptr %a59
-  %t60 = load ptr, ptr %a1
-  %t61 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t60, { ptr, i64, i64 } { ptr @.str.3099, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t61, ptr %a62
-  %t63 = load ptr, ptr %a1
-  %t64 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t63, { ptr, i64, i64 } { ptr @.str.3100, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t64, ptr %a65
-  %t66 = load ptr, ptr %a1
-  %t67 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t66, { ptr, i64, i64 } { ptr @.str.3101, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t67, ptr %a68
-  %t69 = load ptr, ptr %a1
-  %t70 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t69, { ptr, i64, i64 } { ptr @.str.3102, i64 7, i64 0 })
-  store { ptr, i64, i64 } %t70, ptr %a71
-  %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.br(ptr %t72, { ptr, i64, i64 } %t73)
-  %t74 = load ptr, ptr %a1
-  %t75 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.label(ptr %t74, { ptr, i64, i64 } %t75)
+inrange5131:
+  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %t45, i64 1
+  %t47 = load %S.ast.Node, ptr %t46
+  %t48 = call %S.gen.Val @finch.gen.coerce(ptr %t30, %S.gen.Val %t39, %S.ast.Type %t40, %S.ast.Node %t47, { ptr, i64, i64 } { ptr @.str.3202, i64 18, i64 0 })
+  store %S.gen.Val %t39, ptr %a49
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  store %S.ast.Type %t40, ptr %a50
+  call void @finch.drop.S_ast_Type(ptr %a50)
+  %t51 = extractvalue %S.gen.Val %t48, 0
+  store { ptr, i64, i64 } %t51, ptr %a52
+  call void @finch_str_copy(ptr %a53, ptr %a52)
+  %t54 = load { ptr, i64, i64 }, ptr %a53
+  store %S.gen.Val %t48, ptr %a55
+  call void @finch.drop.S_gen_Val(ptr %a55)
+  store { ptr, i64, i64 } %t54, ptr %a56
+  %t57 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t57)
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Node, ptr %a2
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3203, i64 3, i64 0 })
+  %t63 = load { ptr, i64, i64 }, ptr %a29
+  %t64 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t58, %S.ast.Node %t59, { ptr, i64, i64 } %t61, %S.ast.Type %t62, { ptr, i64, i64 } %t63, i1 true, i1 false)
+  store %S.ast.Type %t62, ptr %a65
+  call void @finch.drop.S_ast_Type(ptr %a65)
+  store { ptr, i64, i64 } %t64, ptr %a66
+  %t67 = load ptr, ptr %a1
+  %t68 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t67, { ptr, i64, i64 } { ptr @.str.3204, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t68, ptr %a69
+  %t70 = load ptr, ptr %a1
+  %t71 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t70, { ptr, i64, i64 } { ptr @.str.3205, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t71, ptr %a72
+  %t73 = load ptr, ptr %a1
+  %t74 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t73, { ptr, i64, i64 } { ptr @.str.3206, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t74, ptr %a75
   %t76 = load ptr, ptr %a1
-  %t77 = load { ptr, i64, i64 }, ptr %a59
-  %t78 = call { ptr, i64, i64 } @finch.gen.load(ptr %t76, { ptr, i64, i64 } { ptr @.str.3103, i64 3, i64 0 }, { ptr, i64, i64 } %t77)
-  store { ptr, i64, i64 } %t78, ptr %a79
-  %t80 = load ptr, ptr %a1
-  %t81 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.3104, i64 13, i64 0 }, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.3105, i64 2, i64 0 }, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t89, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = call { ptr, i64, i64 } @finch.gen.op(ptr %t80, { ptr, i64, i64 } %t94)
-  store { ptr, i64, i64 } %t95, ptr %a96
-  %t97 = load ptr, ptr %a1
-  %t98 = load { ptr, i64, i64 }, ptr %a96
-  %t99 = load { ptr, i64, i64 }, ptr %a65
-  %t100 = load { ptr, i64, i64 }, ptr %a71
-  call void @finch.gen.condBr(ptr %t97, { ptr, i64, i64 } %t98, { ptr, i64, i64 } %t99, { ptr, i64, i64 } %t100)
-  %t101 = load ptr, ptr %a1
-  %t102 = load { ptr, i64, i64 }, ptr %a65
-  call void @finch.gen.label(ptr %t101, { ptr, i64, i64 } %t102)
-  %t103 = load ptr, ptr %a1
-  %t104 = icmp eq ptr %t103, null
-  br i1 %t104, label %panic4867, label %ok4868
-panic4867:
-  call void @finch_panic(ptr @.str.3106, i64 2242, ptr @.str.3107)
+  %t77 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t76, { ptr, i64, i64 } { ptr @.str.3207, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t77, ptr %a78
+  %t79 = load ptr, ptr %a1
+  %t80 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.br(ptr %t79, { ptr, i64, i64 } %t80)
+  %t81 = load ptr, ptr %a1
+  %t82 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.label(ptr %t81, { ptr, i64, i64 } %t82)
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a66
+  %t85 = call { ptr, i64, i64 } @finch.gen.load(ptr %t83, { ptr, i64, i64 } { ptr @.str.3208, i64 3, i64 0 }, { ptr, i64, i64 } %t84)
+  store { ptr, i64, i64 } %t85, ptr %a86
+  %t87 = load ptr, ptr %a1
+  %t88 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.3209, i64 13, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.3210, i64 2, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t97, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  %t104 = call { ptr, i64, i64 } @finch.gen.op(ptr %t87, { ptr, i64, i64 } %t103)
+  store { ptr, i64, i64 } %t103, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  store { ptr, i64, i64 } %t104, ptr %a106
+  %t107 = load ptr, ptr %a1
+  %t108 = load { ptr, i64, i64 }, ptr %a106
+  %t109 = load { ptr, i64, i64 }, ptr %a72
+  %t110 = load { ptr, i64, i64 }, ptr %a78
+  call void @finch.gen.condBr(ptr %t107, { ptr, i64, i64 } %t108, { ptr, i64, i64 } %t109, { ptr, i64, i64 } %t110)
+  %t111 = load ptr, ptr %a1
+  %t112 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.label(ptr %t111, { ptr, i64, i64 } %t112)
+  %t113 = load ptr, ptr %a1
+  %t114 = icmp eq ptr %t113, null
+  br i1 %t114, label %panic5132, label %ok5133
+panic5132:
+  call void @finch_panic(ptr @.str.3211, i64 2431, ptr @.str.3212)
   unreachable
-ok4868:
-  %t105 = getelementptr inbounds %S.gen.Gen, ptr %t103, i32 0, i32 11
-  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t105, i32 0, i32 1
-  %t107 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t107, ptr %a108
-  call void @finch_str_copy(ptr %a109, ptr %a108)
-  %t110 = load { ptr, i64, i64 }, ptr %a109
-  %t111 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t110, 0
-  %t112 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t112, ptr %a113
-  call void @finch_str_copy(ptr %a114, ptr %a113)
-  %t115 = load { ptr, i64, i64 }, ptr %a114
-  %t116 = insertvalue %S.gen.Loop %t111, { ptr, i64, i64 } %t115, 1
-  %t117 = load ptr, ptr %a1
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic4869, label %ok4870
-panic4869:
-  call void @finch_panic(ptr @.str.3108, i64 2242, ptr @.str.3109)
-  unreachable
-ok4870:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 10
-  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
-  %t121 = load i64, ptr %t120
-  %t122 = insertvalue %S.gen.Loop %t116, i64 %t121, 2
-  %t123 = load i64, ptr %t106
-  %t124 = add i64 %t123, 1
-  call void @finch_arr_reserve(ptr %t105, i64 %t124, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t125 = load ptr, ptr %t105
-  %t126 = getelementptr inbounds %S.gen.Loop, ptr %t125, i64 %t123
-  store %S.gen.Loop %t122, ptr %t126
-  store i64 %t124, ptr %t106
+ok5133:
+  %t115 = getelementptr inbounds %S.gen.Gen, ptr %t113, i32 0, i32 12
+  %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i32 0, i32 1
+  %t117 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_copy(ptr %a119, ptr %a118)
+  %t120 = load { ptr, i64, i64 }, ptr %a119
+  %t121 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t120, 0
+  %t122 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t122, ptr %a123
+  call void @finch_str_copy(ptr %a124, ptr %a123)
+  %t125 = load { ptr, i64, i64 }, ptr %a124
+  %t126 = insertvalue %S.gen.Loop %t121, { ptr, i64, i64 } %t125, 1
   %t127 = load ptr, ptr %a1
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  %t130 = extractvalue { ptr, i64, i64 } %t129, 1
-  %t131 = icmp uge i64 2, %t130
-  br i1 %t131, label %range4871, label %inrange4872
-range4871:
-  call void @finch_panic_index(ptr @.str.3110, i64 2243, i64 2, i64 %t130)
+  %t128 = icmp eq ptr %t127, null
+  br i1 %t128, label %panic5134, label %ok5135
+panic5134:
+  call void @finch_panic(ptr @.str.3213, i64 2431, ptr @.str.3214)
   unreachable
-inrange4872:
-  %t132 = extractvalue { ptr, i64, i64 } %t129, 0
-  %t133 = getelementptr inbounds %S.ast.Node, ptr %t132, i64 2
-  %t134 = load %S.ast.Node, ptr %t133
-  call void @finch.gen.block(ptr %t127, %S.ast.Node %t134, i1 true)
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic4873, label %ok4874
-panic4873:
-  call void @finch_panic(ptr @.str.3111, i64 2244, ptr @.str.3112)
+ok5135:
+  %t129 = getelementptr inbounds %S.gen.Gen, ptr %t127, i32 0, i32 10
+  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t129, i32 0, i32 1
+  %t131 = load i64, ptr %t130
+  %t132 = insertvalue %S.gen.Loop %t126, i64 %t131, 2
+  %t133 = load ptr, ptr %a1
+  %t134 = icmp eq ptr %t133, null
+  br i1 %t134, label %panic5136, label %ok5137
+panic5136:
+  call void @finch_panic(ptr @.str.3215, i64 2431, ptr @.str.3216)
   unreachable
-ok4874:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 11
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
-  %t139 = load i64, ptr %t138
-  %t140 = icmp eq i64 %t139, 0
-  br i1 %t140, label %panic4875, label %ok4876
-panic4875:
-  call void @finch_panic(ptr @.str.3113, i64 2244, ptr @.str.3114)
+ok5137:
+  %t135 = getelementptr inbounds %S.gen.Gen, ptr %t133, i32 0, i32 11
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
+  %t137 = load i64, ptr %t136
+  %t138 = insertvalue %S.gen.Loop %t132, i64 %t137, 3
+  %t139 = load i64, ptr %t116
+  %t140 = add i64 %t139, 1
+  call void @finch_arr_reserve(ptr %t115, i64 %t140, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t141 = load ptr, ptr %t115
+  %t142 = getelementptr inbounds %S.gen.Loop, ptr %t141, i64 %t139
+  store %S.gen.Loop %t138, ptr %t142
+  store i64 %t140, ptr %t116
+  %t143 = load ptr, ptr %a1
+  %t144 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  %t146 = extractvalue { ptr, i64, i64 } %t145, 1
+  %t147 = icmp uge i64 2, %t146
+  br i1 %t147, label %range5138, label %inrange5139
+range5138:
+  call void @finch_panic_index(ptr @.str.3217, i64 2432, i64 2, i64 %t146)
   unreachable
-ok4876:
-  %t141 = sub i64 %t139, 1
-  %t142 = load ptr, ptr %t137
-  %t143 = getelementptr inbounds %S.gen.Loop, ptr %t142, i64 %t141
-  %t144 = load %S.gen.Loop, ptr %t143
-  store i64 %t141, ptr %t138
-  %t145 = load ptr, ptr %a1
-  %t146 = load { ptr, i64, i64 }, ptr %a68
-  call void @finch.gen.br(ptr %t145, { ptr, i64, i64 } %t146)
-  %t147 = load ptr, ptr %a1
-  %t148 = load { ptr, i64, i64 }, ptr %a68
-  call void @finch.gen.label(ptr %t147, { ptr, i64, i64 } %t148)
-  %t149 = load ptr, ptr %a1
-  %t150 = load { ptr, i64, i64 }, ptr %a59
-  %t151 = call { ptr, i64, i64 } @finch.gen.load(ptr %t149, { ptr, i64, i64 } { ptr @.str.3115, i64 3, i64 0 }, { ptr, i64, i64 } %t150)
-  store { ptr, i64, i64 } %t151, ptr %a152
-  %t153 = load ptr, ptr %a1
-  %t154 = load ptr, ptr %a1
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.3117, i64 8, i64 0 }, ptr %a157
-  store { ptr, i64, i64 } %t155, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } %t159, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.3118, i64 3, i64 0 }, ptr %a162
-  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
-  %t163 = load { ptr, i64, i64 }, ptr %a160
-  %t164 = call { ptr, i64, i64 } @finch.gen.op(ptr %t154, { ptr, i64, i64 } %t163)
-  %t165 = load { ptr, i64, i64 }, ptr %a59
-  call void @finch.gen.store(ptr %t153, { ptr, i64, i64 } { ptr @.str.3116, i64 3, i64 0 }, { ptr, i64, i64 } %t164, { ptr, i64, i64 } %t165)
+inrange5139:
+  %t148 = extractvalue { ptr, i64, i64 } %t145, 0
+  %t149 = getelementptr inbounds %S.ast.Node, ptr %t148, i64 2
+  %t150 = load %S.ast.Node, ptr %t149
+  call void @finch.gen.block(ptr %t143, %S.ast.Node %t150, i1 true)
+  %t151 = load ptr, ptr %a1
+  %t152 = icmp eq ptr %t151, null
+  br i1 %t152, label %panic5140, label %ok5141
+panic5140:
+  call void @finch_panic(ptr @.str.3218, i64 2433, ptr @.str.3219)
+  unreachable
+ok5141:
+  %t153 = getelementptr inbounds %S.gen.Gen, ptr %t151, i32 0, i32 12
+  %t154 = getelementptr inbounds { ptr, i64, i64 }, ptr %t153, i32 0, i32 1
+  %t155 = load i64, ptr %t154
+  %t156 = icmp eq i64 %t155, 0
+  br i1 %t156, label %panic5142, label %ok5143
+panic5142:
+  call void @finch_panic(ptr @.str.3220, i64 2433, ptr @.str.3221)
+  unreachable
+ok5143:
+  %t157 = sub i64 %t155, 1
+  %t158 = load ptr, ptr %t153
+  %t159 = getelementptr inbounds %S.gen.Loop, ptr %t158, i64 %t157
+  %t160 = load %S.gen.Loop, ptr %t159
+  store i64 %t157, ptr %t154
+  store %S.gen.Loop %t160, ptr %a161
+  call void @finch.drop.S_gen_Loop(ptr %a161)
+  %t162 = load ptr, ptr %a1
+  %t163 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.gen.br(ptr %t162, { ptr, i64, i64 } %t163)
+  %t164 = load ptr, ptr %a1
+  %t165 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.gen.label(ptr %t164, { ptr, i64, i64 } %t165)
   %t166 = load ptr, ptr %a1
-  %t167 = load { ptr, i64, i64 }, ptr %a62
-  call void @finch.gen.br(ptr %t166, { ptr, i64, i64 } %t167)
-  %t168 = load ptr, ptr %a1
-  %t169 = load { ptr, i64, i64 }, ptr %a71
-  call void @finch.gen.label(ptr %t168, { ptr, i64, i64 } %t169)
+  %t167 = load { ptr, i64, i64 }, ptr %a66
+  %t168 = call { ptr, i64, i64 } @finch.gen.load(ptr %t166, { ptr, i64, i64 } { ptr @.str.3222, i64 3, i64 0 }, { ptr, i64, i64 } %t167)
+  store { ptr, i64, i64 } %t168, ptr %a169
   %t170 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t170)
+  %t171 = load ptr, ptr %a1
+  %t172 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.3224, i64 8, i64 0 }, ptr %a174
+  store { ptr, i64, i64 } %t172, ptr %a175
+  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
+  %t176 = load { ptr, i64, i64 }, ptr %a173
+  store { ptr, i64, i64 } %t176, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.3225, i64 3, i64 0 }, ptr %a179
+  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
+  store { ptr, i64, i64 } %t176, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a177
+  %t182 = call { ptr, i64, i64 } @finch.gen.op(ptr %t171, { ptr, i64, i64 } %t181)
+  store { ptr, i64, i64 } %t181, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a66
+  call void @finch.gen.store(ptr %t170, { ptr, i64, i64 } { ptr @.str.3223, i64 3, i64 0 }, { ptr, i64, i64 } %t182, { ptr, i64, i64 } %t184)
+  store { ptr, i64, i64 } %t182, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load ptr, ptr %a1
+  %t187 = load { ptr, i64, i64 }, ptr %a69
+  call void @finch.gen.br(ptr %t186, { ptr, i64, i64 } %t187)
+  %t188 = load ptr, ptr %a1
+  %t189 = load { ptr, i64, i64 }, ptr %a78
+  call void @finch.gen.label(ptr %t188, { ptr, i64, i64 } %t189)
+  %t190 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t190)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a106)
+  call void @finch_str_drop(ptr %a86)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a72)
+  call void @finch_str_drop(ptr %a69)
+  call void @finch_str_drop(ptr %a66)
+  call void @finch_str_drop(ptr %a56)
+  call void @finch_str_drop(ptr %a29)
   ret void
 }
 
@@ -44253,107 +51647,157 @@ entry:
   %a24 = alloca %S.ast.Type, align 16
   %a25 = alloca %S.ast.Type, align 16
   %a27 = alloca %S.ast.Type, align 16
-  %a47 = alloca i1, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca i1, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
   %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca %S.gen.Loop, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -44363,11 +51807,11 @@ entry:
   %t7 = load { ptr, i64, i64 }, ptr %t6
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 0, %t8
-  br i1 %t9, label %range4877, label %inrange4878
-range4877:
-  call void @finch_panic_index(ptr @.str.3119, i64 2256, i64 0, i64 %t8)
+  br i1 %t9, label %range5144, label %inrange5145
+range5144:
+  call void @finch_panic_index(ptr @.str.3226, i64 2445, i64 0, i64 %t8)
   unreachable
-inrange4878:
+inrange5145:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.ast.Type, ptr %t10, i64 0
   %t12 = load %S.ast.Type, ptr %t11
@@ -44379,11 +51823,11 @@ inrange4878:
   %t18 = load { ptr, i64, i64 }, ptr %t17
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 1, %t19
-  br i1 %t20, label %range4879, label %inrange4880
-range4879:
-  call void @finch_panic_index(ptr @.str.3120, i64 2257, i64 1, i64 %t19)
+  br i1 %t20, label %range5146, label %inrange5147
+range5146:
+  call void @finch_panic_index(ptr @.str.3227, i64 2446, i64 1, i64 %t19)
   unreachable
-inrange4880:
+inrange5147:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.ast.Type, ptr %t21, i64 1
   %t23 = load %S.ast.Type, ptr %t22
@@ -44392,20 +51836,20 @@ inrange4880:
   %t26 = load %S.ast.Type, ptr %a25
   store %S.ast.Type %t26, ptr %a27
   %t28 = load i1, ptr %a5
-  br label %logic.from4881
-logic.from4881:
-  br i1 %t28, label %logic.rhs4882, label %logic.end4883
-logic.rhs4882:
+  br label %logic.from5148
+logic.from5148:
+  br i1 %t28, label %logic.rhs5149, label %logic.end5150
+logic.rhs5149:
   %t29 = load ptr, ptr %a1
   %t30 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t31 = load { ptr, i64, i64 }, ptr %t30
   %t32 = extractvalue { ptr, i64, i64 } %t31, 1
   %t33 = icmp uge i64 0, %t32
-  br i1 %t33, label %range4884, label %inrange4885
-range4884:
-  call void @finch_panic_index(ptr @.str.3121, i64 2258, i64 0, i64 %t32)
+  br i1 %t33, label %range5151, label %inrange5152
+range5151:
+  call void @finch_panic_index(ptr @.str.3228, i64 2447, i64 0, i64 %t32)
   unreachable
-inrange4885:
+inrange5152:
   %t34 = extractvalue { ptr, i64, i64 } %t31, 0
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 0
   %t36 = load %S.ast.Node, ptr %t35
@@ -44414,458 +51858,603 @@ inrange4885:
   %t39 = load { ptr, i64, i64 }, ptr %t38
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 1, %t40
-  br i1 %t41, label %range4886, label %inrange4887
-range4886:
-  call void @finch_panic_index(ptr @.str.3122, i64 2258, i64 1, i64 %t40)
+  br i1 %t41, label %range5153, label %inrange5154
+range5153:
+  call void @finch_panic_index(ptr @.str.3229, i64 2447, i64 1, i64 %t40)
   unreachable
-inrange4887:
+inrange5154:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 1
   %t44 = load %S.ast.Node, ptr %t43
   %t45 = call i1 @finch.gen.mutates(ptr %t29, { ptr, i64, i64 } %t37, %S.ast.Node %t44)
-  br label %logic.rend4888
-logic.rend4888:
-  br label %logic.end4883
-logic.end4883:
-  %t46 = phi i1 [ false, %logic.from4881 ], [ %t45, %logic.rend4888 ]
-  store i1 %t46, ptr %a47
-  %t48 = load ptr, ptr %a1
-  %t49 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t48, { ptr, i64, i64 } { ptr @.str.3123, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t49, ptr %a50
-  %t51 = load ptr, ptr %a1
-  %t52 = load { ptr, i64, i64 }, ptr %a50
-  call void @finch.gen.store(ptr %t51, { ptr, i64, i64 } { ptr @.str.3124, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3125, i64 1, i64 0 }, { ptr, i64, i64 } %t52)
-  store { ptr, i64, i64 } { ptr @.str.3126, i64 0, i64 0 }, ptr %a53
-  %t54 = load i1, ptr %a5
-  br i1 %t54, label %then4889, label %endif4891
-then4889:
-  %t55 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t37, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  br label %logic.rend5155
+logic.rend5155:
+  br label %logic.end5150
+logic.end5150:
+  %t47 = phi i1 [ false, %logic.from5148 ], [ %t45, %logic.rend5155 ]
+  store i1 %t47, ptr %a48
+  %t49 = load ptr, ptr %a1
+  %t50 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t49, { ptr, i64, i64 } { ptr @.str.3230, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t50, ptr %a51
+  %t52 = load ptr, ptr %a1
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.store(ptr %t52, { ptr, i64, i64 } { ptr @.str.3231, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3232, i64 1, i64 0 }, { ptr, i64, i64 } %t53)
+  store { ptr, i64, i64 } { ptr @.str.3233, i64 0, i64 0 }, ptr %a54
+  %t55 = load i1, ptr %a5
+  br i1 %t55, label %then5156, label %endif5158
+then5156:
   %t56 = load ptr, ptr %a1
   %t57 = load ptr, ptr %a1
-  %t58 = load %S.ast.Type, ptr %a4
-  %t59 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t57, %S.ast.Type %t58)
-  store { ptr, i64, i64 } { ptr @.str.3128, i64 23, i64 0 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.3129, i64 6, i64 0 }, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t67, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } %t72, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.3130, i64 14, i64 0 }, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  %t77 = call { ptr, i64, i64 } @finch.gen.op(ptr %t56, { ptr, i64, i64 } %t76)
-  %t78 = call { ptr, i64, i64 } @finch.gen.load(ptr %t55, { ptr, i64, i64 } { ptr @.str.3127, i64 3, i64 0 }, { ptr, i64, i64 } %t77)
-  store { ptr, i64, i64 } %t78, ptr %a53
-  br label %endif4891
-endif4891:
-  %t79 = load ptr, ptr %a1
-  %t80 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t79, { ptr, i64, i64 } { ptr @.str.3131, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t82, { ptr, i64, i64 } { ptr @.str.3132, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t83, ptr %a84
-  %t85 = load ptr, ptr %a1
-  %t86 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t85, { ptr, i64, i64 } { ptr @.str.3133, i64 8, i64 0 })
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Type, ptr %a4
+  %t60 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t58, %S.ast.Type %t59)
+  store { ptr, i64, i64 } { ptr @.str.3235, i64 23, i64 0 }, ptr %a62
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t65, ptr %a67
+  store { ptr, i64, i64 } { ptr @.str.3236, i64 6, i64 0 }, ptr %a68
+  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
+  store { ptr, i64, i64 } %t65, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a66
+  %t71 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t70, ptr %a73
+  store { ptr, i64, i64 } %t71, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t70, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a72
+  store { ptr, i64, i64 } %t76, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.3237, i64 14, i64 0 }, ptr %a79
+  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
+  store { ptr, i64, i64 } %t76, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  %t81 = load { ptr, i64, i64 }, ptr %a77
+  %t82 = call { ptr, i64, i64 } @finch.gen.op(ptr %t57, { ptr, i64, i64 } %t81)
+  store { ptr, i64, i64 } %t81, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = call { ptr, i64, i64 } @finch.gen.load(ptr %t56, { ptr, i64, i64 } { ptr @.str.3234, i64 3, i64 0 }, { ptr, i64, i64 } %t82)
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t84, ptr %a54
   store { ptr, i64, i64 } %t86, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  br label %endif5158
+endif5158:
   %t88 = load ptr, ptr %a1
-  %t89 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t88, { ptr, i64, i64 } { ptr @.str.3134, i64 8, i64 0 })
+  %t89 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t88, { ptr, i64, i64 } { ptr @.str.3238, i64 8, i64 0 })
   store { ptr, i64, i64 } %t89, ptr %a90
   %t91 = load ptr, ptr %a1
-  %t92 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t91, { ptr, i64, i64 } { ptr @.str.3135, i64 7, i64 0 })
+  %t92 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t91, { ptr, i64, i64 } { ptr @.str.3239, i64 9, i64 0 })
   store { ptr, i64, i64 } %t92, ptr %a93
   %t94 = load ptr, ptr %a1
-  %t95 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.br(ptr %t94, { ptr, i64, i64 } %t95)
-  %t96 = load ptr, ptr %a1
-  %t97 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.label(ptr %t96, { ptr, i64, i64 } %t97)
-  %t98 = load i1, ptr %a5
-  br label %logic.from4892
-logic.from4892:
-  br i1 %t98, label %logic.rhs4893, label %logic.end4894
-logic.rhs4893:
-  %t99 = load i1, ptr %a47
-  br label %logic.rend4895
-logic.rend4895:
-  br label %logic.end4894
-logic.end4894:
-  %t100 = phi i1 [ false, %logic.from4892 ], [ %t99, %logic.rend4895 ]
-  br i1 %t100, label %then4896, label %endif4898
-then4896:
-  %t101 = load ptr, ptr %a1
-  %t102 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t101, { ptr, i64, i64 } { ptr @.str.3136, i64 11, i64 0 })
-  store { ptr, i64, i64 } %t102, ptr %a103
-  %t104 = load ptr, ptr %a1
-  %t105 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t104, { ptr, i64, i64 } { ptr @.str.3137, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t105, ptr %a106
-  %t107 = load ptr, ptr %a1
-  %t108 = load ptr, ptr %a1
-  %t109 = load ptr, ptr %a1
-  %t110 = load %S.ast.Type, ptr %a4
-  %t111 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t109, %S.ast.Type %t110)
-  store { ptr, i64, i64 } { ptr @.str.3139, i64 23, i64 0 }, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.3140, i64 6, i64 0 }, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  %t120 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t119, ptr %a122
+  %t95 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t94, { ptr, i64, i64 } { ptr @.str.3240, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t95, ptr %a96
+  %t97 = load ptr, ptr %a1
+  %t98 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t97, { ptr, i64, i64 } { ptr @.str.3241, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t98, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t100, { ptr, i64, i64 } { ptr @.str.3242, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t101, ptr %a102
+  %t103 = load ptr, ptr %a1
+  %t104 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t103, { ptr, i64, i64 } %t104)
+  %t105 = load ptr, ptr %a1
+  %t106 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.label(ptr %t105, { ptr, i64, i64 } %t106)
+  %t107 = load i1, ptr %a5
+  br label %logic.from5159
+logic.from5159:
+  br i1 %t107, label %logic.rhs5160, label %logic.end5161
+logic.rhs5160:
+  %t108 = load i1, ptr %a48
+  br label %logic.rend5162
+logic.rend5162:
+  br label %logic.end5161
+logic.end5161:
+  %t109 = phi i1 [ false, %logic.from5159 ], [ %t108, %logic.rend5162 ]
+  br i1 %t109, label %then5163, label %endif5165
+then5163:
+  %t110 = load ptr, ptr %a1
+  %t111 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t110, { ptr, i64, i64 } { ptr @.str.3243, i64 11, i64 0 })
+  store { ptr, i64, i64 } %t111, ptr %a112
+  %t113 = load ptr, ptr %a1
+  %t114 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t113, { ptr, i64, i64 } { ptr @.str.3244, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t114, ptr %a115
+  %t116 = load ptr, ptr %a1
+  %t117 = load ptr, ptr %a1
+  %t118 = load ptr, ptr %a1
+  %t119 = load %S.ast.Type, ptr %a4
+  %t120 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t118, %S.ast.Type %t119)
+  store { ptr, i64, i64 } { ptr @.str.3246, i64 23, i64 0 }, ptr %a122
   store { ptr, i64, i64 } %t120, ptr %a123
   call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
-  %t124 = load { ptr, i64, i64 }, ptr %a121
-  store { ptr, i64, i64 } %t124, ptr %a126
-  store { ptr, i64, i64 } { ptr @.str.3141, i64 14, i64 0 }, ptr %a127
-  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
-  %t128 = load { ptr, i64, i64 }, ptr %a125
-  %t129 = call { ptr, i64, i64 } @finch.gen.op(ptr %t108, { ptr, i64, i64 } %t128)
-  %t130 = call { ptr, i64, i64 } @finch.gen.load(ptr %t107, { ptr, i64, i64 } { ptr @.str.3138, i64 3, i64 0 }, { ptr, i64, i64 } %t129)
-  store { ptr, i64, i64 } %t130, ptr %a131
-  %t132 = load ptr, ptr %a1
-  %t133 = load ptr, ptr %a1
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.3142, i64 12, i64 0 }, ptr %a136
-  store { ptr, i64, i64 } %t134, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.3143, i64 2, i64 0 }, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load { ptr, i64, i64 }, ptr %a53
+  store { ptr, i64, i64 } %t120, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  store { ptr, i64, i64 } %t125, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.3247, i64 6, i64 0 }, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t125, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  %t131 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t130, ptr %a133
+  store { ptr, i64, i64 } %t131, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.3248, i64 14, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = call { ptr, i64, i64 } @finch.gen.op(ptr %t117, { ptr, i64, i64 } %t141)
+  store { ptr, i64, i64 } %t141, ptr %a143
+  call void @finch_str_drop(ptr %a143)
+  %t144 = call { ptr, i64, i64 } @finch.gen.load(ptr %t116, { ptr, i64, i64 } { ptr @.str.3245, i64 3, i64 0 }, { ptr, i64, i64 } %t142)
   store { ptr, i64, i64 } %t142, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = call { ptr, i64, i64 } @finch.gen.op(ptr %t133, { ptr, i64, i64 } %t147)
-  %t149 = load { ptr, i64, i64 }, ptr %a103
-  %t150 = load { ptr, i64, i64 }, ptr %a106
-  call void @finch.gen.condBr(ptr %t132, { ptr, i64, i64 } %t148, { ptr, i64, i64 } %t149, { ptr, i64, i64 } %t150)
-  %t151 = load ptr, ptr %a1
-  %t152 = load { ptr, i64, i64 }, ptr %a103
-  call void @finch.gen.label(ptr %t151, { ptr, i64, i64 } %t152)
-  %t153 = load ptr, ptr %a1
-  %t154 = load ptr, ptr %a1
-  %t155 = load ptr, ptr %a1
-  %t156 = icmp eq ptr %t155, null
-  br i1 %t156, label %panic4899, label %ok4900
-panic4899:
-  call void @finch_panic(ptr @.str.3145, i64 2279, ptr @.str.3146)
+  call void @finch_str_drop(ptr %a145)
+  store { ptr, i64, i64 } %t144, ptr %a146
+  %t147 = load ptr, ptr %a1
+  %t148 = load ptr, ptr %a1
+  %t149 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } { ptr @.str.3249, i64 12, i64 0 }, ptr %a151
+  store { ptr, i64, i64 } %t149, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  %t153 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t153, ptr %a155
+  store { ptr, i64, i64 } { ptr @.str.3250, i64 2, i64 0 }, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  store { ptr, i64, i64 } %t153, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a154
+  %t159 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t158, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a162
+  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
+  store { ptr, i64, i64 } %t158, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a160
+  %t165 = call { ptr, i64, i64 } @finch.gen.op(ptr %t148, { ptr, i64, i64 } %t164)
+  store { ptr, i64, i64 } %t164, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a112
+  %t168 = load { ptr, i64, i64 }, ptr %a115
+  call void @finch.gen.condBr(ptr %t147, { ptr, i64, i64 } %t165, { ptr, i64, i64 } %t167, { ptr, i64, i64 } %t168)
+  store { ptr, i64, i64 } %t165, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load ptr, ptr %a1
+  %t171 = load { ptr, i64, i64 }, ptr %a112
+  call void @finch.gen.label(ptr %t170, { ptr, i64, i64 } %t171)
+  %t172 = load ptr, ptr %a1
+  %t173 = load ptr, ptr %a1
+  %t174 = load ptr, ptr %a1
+  %t175 = icmp eq ptr %t174, null
+  br i1 %t175, label %panic5166, label %ok5167
+panic5166:
+  call void @finch_panic(ptr @.str.3252, i64 2468, ptr @.str.3253)
   unreachable
-ok4900:
-  %t157 = getelementptr inbounds %S.gen.Gen, ptr %t155, i32 0, i32 1
-  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t159 = load i64, ptr %t158
-  %t160 = load { ptr, i64, i64 }, ptr %t157
-  %t161 = extractvalue { ptr, i64, i64 } %t160, 1
-  %t162 = icmp uge i64 %t159, %t161
-  br i1 %t162, label %range4901, label %inrange4902
-range4901:
-  call void @finch_panic_index(ptr @.str.3147, i64 2279, i64 %t159, i64 %t161)
+ok5167:
+  %t176 = getelementptr inbounds %S.gen.Gen, ptr %t174, i32 0, i32 1
+  %t177 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t178 = load i64, ptr %t177
+  %t179 = load { ptr, i64, i64 }, ptr %t176
+  %t180 = extractvalue { ptr, i64, i64 } %t179, 1
+  %t181 = icmp uge i64 %t178, %t180
+  br i1 %t181, label %range5168, label %inrange5169
+range5168:
+  call void @finch_panic_index(ptr @.str.3254, i64 2468, i64 %t178, i64 %t180)
   unreachable
-inrange4902:
-  %t163 = extractvalue { ptr, i64, i64 } %t160, 0
-  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i64 %t159
-  %t165 = load { ptr, i64, i64 }, ptr %t164
-  %t166 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t154, { ptr, i64, i64 } %t165)
-  store { ptr, i64, i64 } { ptr @.str.3144, i64 33, i64 0 }, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.3148, i64 6, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  %t175 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t176 = load i64, ptr %t175
-  call void @finch_str_from_int(ptr %a177, i64 %t176)
-  %t178 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t174, ptr %a180
-  store { ptr, i64, i64 } %t178, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  store { ptr, i64, i64 } %t182, ptr %a184
-  store { ptr, i64, i64 } { ptr @.str.3149, i64 1, i64 0 }, ptr %a185
-  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.emit(ptr %t153, { ptr, i64, i64 } %t186)
-  %t187 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t187, { ptr, i64, i64 } { ptr @.str.3150, i64 11, i64 0 })
-  %t188 = load ptr, ptr %a1
-  %t189 = icmp eq ptr %t188, null
-  br i1 %t189, label %panic4903, label %ok4904
-panic4903:
-  call void @finch_panic(ptr @.str.3151, i64 2281, ptr @.str.3152)
-  unreachable
-ok4904:
-  %t190 = getelementptr inbounds %S.gen.Gen, ptr %t188, i32 0, i32 9
-  store i1 true, ptr %t190
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a106
-  call void @finch.gen.label(ptr %t191, { ptr, i64, i64 } %t192)
-  br label %endif4898
-endif4898:
-  %t193 = load ptr, ptr %a1
-  %t194 = load { ptr, i64, i64 }, ptr %a50
-  %t195 = call { ptr, i64, i64 } @finch.gen.load(ptr %t193, { ptr, i64, i64 } { ptr @.str.3153, i64 3, i64 0 }, { ptr, i64, i64 } %t194)
-  store { ptr, i64, i64 } %t195, ptr %a196
-  %t197 = load ptr, ptr %a1
-  %t198 = load ptr, ptr %a1
-  %t199 = load ptr, ptr %a1
-  %t200 = load %S.ast.Type, ptr %a4
-  %t201 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t199, %S.ast.Type %t200)
-  store { ptr, i64, i64 } { ptr @.str.3155, i64 23, i64 0 }, ptr %a203
-  store { ptr, i64, i64 } %t201, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
+inrange5169:
+  %t182 = extractvalue { ptr, i64, i64 } %t179, 0
+  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i64 %t178
+  %t184 = load { ptr, i64, i64 }, ptr %t183
+  %t185 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t173, { ptr, i64, i64 } %t184)
+  store { ptr, i64, i64 } { ptr @.str.3251, i64 33, i64 0 }, ptr %a187
+  store { ptr, i64, i64 } %t185, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t185, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  %t190 = load { ptr, i64, i64 }, ptr %a186
+  store { ptr, i64, i64 } %t190, ptr %a192
+  store { ptr, i64, i64 } { ptr @.str.3255, i64 6, i64 0 }, ptr %a193
+  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
+  store { ptr, i64, i64 } %t190, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  %t195 = load { ptr, i64, i64 }, ptr %a191
+  %t196 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t197 = load i64, ptr %t196
+  call void @finch_str_from_int(ptr %a198, i64 %t197)
+  %t199 = load { ptr, i64, i64 }, ptr %a198
+  store { ptr, i64, i64 } %t195, ptr %a201
+  store { ptr, i64, i64 } %t199, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t195, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  store { ptr, i64, i64 } %t199, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a200
   store { ptr, i64, i64 } %t205, ptr %a207
-  store { ptr, i64, i64 } { ptr @.str.3156, i64 6, i64 0 }, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.3256, i64 1, i64 0 }, ptr %a208
   call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  %t210 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t209, ptr %a212
-  store { ptr, i64, i64 } %t210, ptr %a213
-  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
-  %t214 = load { ptr, i64, i64 }, ptr %a211
-  store { ptr, i64, i64 } %t214, ptr %a216
-  store { ptr, i64, i64 } { ptr @.str.3157, i64 14, i64 0 }, ptr %a217
-  call void @finch_str_concat(ptr %a215, ptr %a216, ptr %a217)
-  %t218 = load { ptr, i64, i64 }, ptr %a215
-  %t219 = call { ptr, i64, i64 } @finch.gen.op(ptr %t198, { ptr, i64, i64 } %t218)
-  %t220 = call { ptr, i64, i64 } @finch.gen.load(ptr %t197, { ptr, i64, i64 } { ptr @.str.3154, i64 3, i64 0 }, { ptr, i64, i64 } %t219)
+  store { ptr, i64, i64 } %t205, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load { ptr, i64, i64 }, ptr %a206
+  call void @finch.gen.emit(ptr %t172, { ptr, i64, i64 } %t210)
+  store { ptr, i64, i64 } %t210, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t212, { ptr, i64, i64 } { ptr @.str.3257, i64 11, i64 0 })
+  %t213 = load ptr, ptr %a1
+  %t214 = icmp eq ptr %t213, null
+  br i1 %t214, label %panic5170, label %ok5171
+panic5170:
+  call void @finch_panic(ptr @.str.3258, i64 2470, ptr @.str.3259)
+  unreachable
+ok5171:
+  %t215 = getelementptr inbounds %S.gen.Gen, ptr %t213, i32 0, i32 9
+  store i1 true, ptr %t215
+  %t216 = load ptr, ptr %a1
+  %t217 = load { ptr, i64, i64 }, ptr %a115
+  call void @finch.gen.label(ptr %t216, { ptr, i64, i64 } %t217)
+  call void @finch_str_drop(ptr %a146)
+  call void @finch_str_drop(ptr %a115)
+  call void @finch_str_drop(ptr %a112)
+  br label %endif5165
+endif5165:
+  %t218 = load ptr, ptr %a1
+  %t219 = load { ptr, i64, i64 }, ptr %a51
+  %t220 = call { ptr, i64, i64 } @finch.gen.load(ptr %t218, { ptr, i64, i64 } { ptr @.str.3260, i64 3, i64 0 }, { ptr, i64, i64 } %t219)
   store { ptr, i64, i64 } %t220, ptr %a221
   %t222 = load ptr, ptr %a1
   %t223 = load ptr, ptr %a1
-  %t224 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.3158, i64 13, i64 0 }, ptr %a226
-  store { ptr, i64, i64 } %t224, ptr %a227
-  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
-  %t228 = load { ptr, i64, i64 }, ptr %a225
-  store { ptr, i64, i64 } %t228, ptr %a230
-  store { ptr, i64, i64 } { ptr @.str.3159, i64 2, i64 0 }, ptr %a231
-  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
-  %t232 = load { ptr, i64, i64 }, ptr %a229
-  %t233 = load { ptr, i64, i64 }, ptr %a221
-  store { ptr, i64, i64 } %t232, ptr %a235
-  store { ptr, i64, i64 } %t233, ptr %a236
-  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  %t238 = call { ptr, i64, i64 } @finch.gen.op(ptr %t223, { ptr, i64, i64 } %t237)
-  %t239 = load { ptr, i64, i64 }, ptr %a84
-  %t240 = load { ptr, i64, i64 }, ptr %a93
-  call void @finch.gen.condBr(ptr %t222, { ptr, i64, i64 } %t238, { ptr, i64, i64 } %t239, { ptr, i64, i64 } %t240)
-  %t241 = load ptr, ptr %a1
-  %t242 = load { ptr, i64, i64 }, ptr %a84
-  call void @finch.gen.label(ptr %t241, { ptr, i64, i64 } %t242)
-  %t243 = load ptr, ptr %a1
-  %t244 = load { ptr, i64, i64 }, ptr %a3
-  %t245 = load %S.ast.Type, ptr %a4
-  %t246 = load { ptr, i64, i64 }, ptr %a196
-  %t247 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t243, { ptr, i64, i64 } %t244, %S.ast.Type %t245, { ptr, i64, i64 } %t246)
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = load ptr, ptr %a1
-  %t250 = load ptr, ptr %a1
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  %t252 = load %S.ast.Type, ptr %a4
-  %t253 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t250, { ptr, i64, i64 } %t251, %S.ast.Type %t252, i64 0)
-  %t254 = call { ptr, i64, i64 } @finch.gen.load(ptr %t249, { ptr, i64, i64 } { ptr @.str.3160, i64 3, i64 0 }, { ptr, i64, i64 } %t253)
-  store { ptr, i64, i64 } %t254, ptr %a255
-  %t256 = load ptr, ptr %a1
-  %t257 = load ptr, ptr %a1
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  store { ptr, i64, i64 } { ptr @.str.3161, i64 12, i64 0 }, ptr %a260
-  store { ptr, i64, i64 } %t258, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.3162, i64 3, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  %t267 = call { ptr, i64, i64 } @finch.gen.op(ptr %t257, { ptr, i64, i64 } %t266)
-  %t268 = load { ptr, i64, i64 }, ptr %a90
-  %t269 = load { ptr, i64, i64 }, ptr %a87
-  call void @finch.gen.condBr(ptr %t256, { ptr, i64, i64 } %t267, { ptr, i64, i64 } %t268, { ptr, i64, i64 } %t269)
-  %t270 = load ptr, ptr %a1
-  %t271 = load { ptr, i64, i64 }, ptr %a87
-  call void @finch.gen.label(ptr %t270, { ptr, i64, i64 } %t271)
-  %t272 = load ptr, ptr %a1
-  %t273 = icmp eq ptr %t272, null
-  br i1 %t273, label %panic4905, label %ok4906
-panic4905:
-  call void @finch_panic(ptr @.str.3163, i64 2292, ptr @.str.3164)
+  %t224 = load ptr, ptr %a1
+  %t225 = load %S.ast.Type, ptr %a4
+  %t226 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t224, %S.ast.Type %t225)
+  store { ptr, i64, i64 } { ptr @.str.3262, i64 23, i64 0 }, ptr %a228
+  store { ptr, i64, i64 } %t226, ptr %a229
+  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
+  store { ptr, i64, i64 } %t226, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = load { ptr, i64, i64 }, ptr %a227
+  store { ptr, i64, i64 } %t231, ptr %a233
+  store { ptr, i64, i64 } { ptr @.str.3263, i64 6, i64 0 }, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t231, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a232
+  %t237 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t236, ptr %a239
+  store { ptr, i64, i64 } %t237, ptr %a240
+  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
+  store { ptr, i64, i64 } %t236, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  %t242 = load { ptr, i64, i64 }, ptr %a238
+  store { ptr, i64, i64 } %t242, ptr %a244
+  store { ptr, i64, i64 } { ptr @.str.3264, i64 14, i64 0 }, ptr %a245
+  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
+  store { ptr, i64, i64 } %t242, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  %t247 = load { ptr, i64, i64 }, ptr %a243
+  %t248 = call { ptr, i64, i64 } @finch.gen.op(ptr %t223, { ptr, i64, i64 } %t247)
+  store { ptr, i64, i64 } %t247, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  %t250 = call { ptr, i64, i64 } @finch.gen.load(ptr %t222, { ptr, i64, i64 } { ptr @.str.3261, i64 3, i64 0 }, { ptr, i64, i64 } %t248)
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch_str_drop(ptr %a251)
+  store { ptr, i64, i64 } %t250, ptr %a252
+  %t253 = load ptr, ptr %a1
+  %t254 = load ptr, ptr %a1
+  %t255 = load { ptr, i64, i64 }, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.3265, i64 13, i64 0 }, ptr %a257
+  store { ptr, i64, i64 } %t255, ptr %a258
+  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a256
+  store { ptr, i64, i64 } %t259, ptr %a261
+  store { ptr, i64, i64 } { ptr @.str.3266, i64 2, i64 0 }, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  store { ptr, i64, i64 } %t259, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  %t264 = load { ptr, i64, i64 }, ptr %a260
+  %t265 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t264, ptr %a267
+  store { ptr, i64, i64 } %t265, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t264, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  %t271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t254, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a93
+  %t274 = load { ptr, i64, i64 }, ptr %a102
+  call void @finch.gen.condBr(ptr %t253, { ptr, i64, i64 } %t271, { ptr, i64, i64 } %t273, { ptr, i64, i64 } %t274)
+  store { ptr, i64, i64 } %t271, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = load ptr, ptr %a1
+  %t277 = load { ptr, i64, i64 }, ptr %a93
+  call void @finch.gen.label(ptr %t276, { ptr, i64, i64 } %t277)
+  %t278 = load ptr, ptr %a1
+  %t279 = load { ptr, i64, i64 }, ptr %a3
+  %t280 = load %S.ast.Type, ptr %a4
+  %t281 = load { ptr, i64, i64 }, ptr %a221
+  %t282 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t278, { ptr, i64, i64 } %t279, %S.ast.Type %t280, { ptr, i64, i64 } %t281)
+  store { ptr, i64, i64 } %t282, ptr %a283
+  %t284 = load ptr, ptr %a1
+  %t285 = load ptr, ptr %a1
+  %t286 = load { ptr, i64, i64 }, ptr %a283
+  %t287 = load %S.ast.Type, ptr %a4
+  %t288 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t285, { ptr, i64, i64 } %t286, %S.ast.Type %t287, i64 0)
+  %t289 = call { ptr, i64, i64 } @finch.gen.load(ptr %t284, { ptr, i64, i64 } { ptr @.str.3267, i64 3, i64 0 }, { ptr, i64, i64 } %t288)
+  store { ptr, i64, i64 } %t288, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  store { ptr, i64, i64 } %t289, ptr %a291
+  %t292 = load ptr, ptr %a1
+  %t293 = load ptr, ptr %a1
+  %t294 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } { ptr @.str.3268, i64 12, i64 0 }, ptr %a296
+  store { ptr, i64, i64 } %t294, ptr %a297
+  call void @finch_str_concat(ptr %a295, ptr %a296, ptr %a297)
+  %t298 = load { ptr, i64, i64 }, ptr %a295
+  store { ptr, i64, i64 } %t298, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.3269, i64 3, i64 0 }, ptr %a301
+  call void @finch_str_concat(ptr %a299, ptr %a300, ptr %a301)
+  store { ptr, i64, i64 } %t298, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  %t303 = load { ptr, i64, i64 }, ptr %a299
+  %t304 = call { ptr, i64, i64 } @finch.gen.op(ptr %t293, { ptr, i64, i64 } %t303)
+  store { ptr, i64, i64 } %t303, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  %t306 = load { ptr, i64, i64 }, ptr %a99
+  %t307 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.gen.condBr(ptr %t292, { ptr, i64, i64 } %t304, { ptr, i64, i64 } %t306, { ptr, i64, i64 } %t307)
+  store { ptr, i64, i64 } %t304, ptr %a308
+  call void @finch_str_drop(ptr %a308)
+  %t309 = load ptr, ptr %a1
+  %t310 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.gen.label(ptr %t309, { ptr, i64, i64 } %t310)
+  %t311 = load ptr, ptr %a1
+  %t312 = icmp eq ptr %t311, null
+  br i1 %t312, label %panic5172, label %ok5173
+panic5172:
+  call void @finch_panic(ptr @.str.3270, i64 2481, ptr @.str.3271)
   unreachable
-ok4906:
-  %t274 = getelementptr inbounds %S.gen.Gen, ptr %t272, i32 0, i32 11
-  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %t274, i32 0, i32 1
-  %t276 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t276, ptr %a277
-  call void @finch_str_copy(ptr %a278, ptr %a277)
-  %t279 = load { ptr, i64, i64 }, ptr %a278
-  %t280 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t279, 0
-  %t281 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t281, ptr %a282
-  call void @finch_str_copy(ptr %a283, ptr %a282)
-  %t284 = load { ptr, i64, i64 }, ptr %a283
-  %t285 = insertvalue %S.gen.Loop %t280, { ptr, i64, i64 } %t284, 1
-  %t286 = load ptr, ptr %a1
-  %t287 = icmp eq ptr %t286, null
-  br i1 %t287, label %panic4907, label %ok4908
-panic4907:
-  call void @finch_panic(ptr @.str.3165, i64 2292, ptr @.str.3166)
+ok5173:
+  %t313 = getelementptr inbounds %S.gen.Gen, ptr %t311, i32 0, i32 12
+  %t314 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i32 0, i32 1
+  %t315 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t315, ptr %a316
+  call void @finch_str_copy(ptr %a317, ptr %a316)
+  %t318 = load { ptr, i64, i64 }, ptr %a317
+  %t319 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t318, 0
+  %t320 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t320, ptr %a321
+  call void @finch_str_copy(ptr %a322, ptr %a321)
+  %t323 = load { ptr, i64, i64 }, ptr %a322
+  %t324 = insertvalue %S.gen.Loop %t319, { ptr, i64, i64 } %t323, 1
+  %t325 = load ptr, ptr %a1
+  %t326 = icmp eq ptr %t325, null
+  br i1 %t326, label %panic5174, label %ok5175
+panic5174:
+  call void @finch_panic(ptr @.str.3272, i64 2481, ptr @.str.3273)
   unreachable
-ok4908:
-  %t288 = getelementptr inbounds %S.gen.Gen, ptr %t286, i32 0, i32 10
-  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t288, i32 0, i32 1
-  %t290 = load i64, ptr %t289
-  %t291 = insertvalue %S.gen.Loop %t285, i64 %t290, 2
-  %t292 = load i64, ptr %t275
-  %t293 = add i64 %t292, 1
-  call void @finch_arr_reserve(ptr %t274, i64 %t293, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t294 = load ptr, ptr %t274
-  %t295 = getelementptr inbounds %S.gen.Loop, ptr %t294, i64 %t292
-  store %S.gen.Loop %t291, ptr %t295
-  store i64 %t293, ptr %t275
-  %t296 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t296)
-  %t297 = load ptr, ptr %a1
-  %t298 = load ptr, ptr %a1
-  %t299 = load %S.ast.Type, ptr %a16
-  %t300 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t298, %S.ast.Type %t299)
-  %t301 = load ptr, ptr %a1
-  %t302 = load { ptr, i64, i64 }, ptr %a248
-  %t303 = load %S.ast.Type, ptr %a4
-  %t304 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t301, { ptr, i64, i64 } %t302, %S.ast.Type %t303, i64 1)
-  %t305 = call { ptr, i64, i64 } @finch.gen.load(ptr %t297, { ptr, i64, i64 } %t300, { ptr, i64, i64 } %t304)
-  store { ptr, i64, i64 } %t305, ptr %a306
-  %t307 = load i1, ptr %a47
-  br i1 %t307, label %then4909, label %endif4911
-then4909:
-  %t308 = load ptr, ptr %a1
-  %t309 = load { ptr, i64, i64 }, ptr %a306
-  %t310 = load %S.ast.Type, ptr %a16
-  %t311 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t308, { ptr, i64, i64 } %t309, %S.ast.Type %t310)
-  store { ptr, i64, i64 } %t311, ptr %a306
-  br label %endif4911
-endif4911:
-  %t312 = load ptr, ptr %a1
-  %t313 = load %S.ast.Node, ptr %a2
-  %t314 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t315 = load { ptr, i64, i64 }, ptr %t314
-  %t316 = load %S.ast.Type, ptr %a16
-  %t317 = load { ptr, i64, i64 }, ptr %a306
-  %t318 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t312, %S.ast.Node %t313, { ptr, i64, i64 } %t315, %S.ast.Type %t316, { ptr, i64, i64 } %t317, i1 true)
-  %t319 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %t319, i32 0, i32 1
-  %t321 = load i64, ptr %t320
-  %t322 = icmp sgt i64 %t321, 0
-  br i1 %t322, label %then4912, label %endif4914
-then4912:
-  %t323 = load ptr, ptr %a1
-  %t324 = load ptr, ptr %a1
-  %t325 = load %S.ast.Type, ptr %a27
-  %t326 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t324, %S.ast.Type %t325)
-  %t327 = load ptr, ptr %a1
-  %t328 = load { ptr, i64, i64 }, ptr %a248
-  %t329 = load %S.ast.Type, ptr %a4
-  %t330 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t327, { ptr, i64, i64 } %t328, %S.ast.Type %t329, i64 2)
-  %t331 = call { ptr, i64, i64 } @finch.gen.load(ptr %t323, { ptr, i64, i64 } %t326, { ptr, i64, i64 } %t330)
-  store { ptr, i64, i64 } %t331, ptr %a332
-  %t333 = load i1, ptr %a47
-  br i1 %t333, label %then4915, label %endif4917
-then4915:
-  %t334 = load ptr, ptr %a1
-  %t335 = load { ptr, i64, i64 }, ptr %a332
-  %t336 = load %S.ast.Type, ptr %a27
-  %t337 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t334, { ptr, i64, i64 } %t335, %S.ast.Type %t336)
-  store { ptr, i64, i64 } %t337, ptr %a332
-  br label %endif4917
-endif4917:
-  %t338 = load ptr, ptr %a1
-  %t339 = load %S.ast.Node, ptr %a2
-  %t340 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t341 = load { ptr, i64, i64 }, ptr %t340
-  %t342 = load %S.ast.Type, ptr %a27
-  %t343 = load { ptr, i64, i64 }, ptr %a332
-  %t344 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t338, %S.ast.Node %t339, { ptr, i64, i64 } %t341, %S.ast.Type %t342, { ptr, i64, i64 } %t343, i1 true)
-  br label %endif4914
-endif4914:
-  %t345 = load ptr, ptr %a1
-  %t346 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t347 = load { ptr, i64, i64 }, ptr %t346
-  %t348 = extractvalue { ptr, i64, i64 } %t347, 1
-  %t349 = icmp uge i64 1, %t348
-  br i1 %t349, label %range4918, label %inrange4919
-range4918:
-  call void @finch_panic_index(ptr @.str.3167, i64 2306, i64 1, i64 %t348)
+ok5175:
+  %t327 = getelementptr inbounds %S.gen.Gen, ptr %t325, i32 0, i32 10
+  %t328 = getelementptr inbounds { ptr, i64, i64 }, ptr %t327, i32 0, i32 1
+  %t329 = load i64, ptr %t328
+  %t330 = insertvalue %S.gen.Loop %t324, i64 %t329, 2
+  %t331 = load ptr, ptr %a1
+  %t332 = icmp eq ptr %t331, null
+  br i1 %t332, label %panic5176, label %ok5177
+panic5176:
+  call void @finch_panic(ptr @.str.3274, i64 2481, ptr @.str.3275)
   unreachable
-inrange4919:
-  %t350 = extractvalue { ptr, i64, i64 } %t347, 0
-  %t351 = getelementptr inbounds %S.ast.Node, ptr %t350, i64 1
-  %t352 = load %S.ast.Node, ptr %t351
-  call void @finch.gen.block(ptr %t345, %S.ast.Node %t352, i1 true)
-  %t353 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t353)
-  %t354 = load ptr, ptr %a1
-  %t355 = icmp eq ptr %t354, null
-  br i1 %t355, label %panic4920, label %ok4921
-panic4920:
-  call void @finch_panic(ptr @.str.3168, i64 2308, ptr @.str.3169)
-  unreachable
-ok4921:
-  %t356 = getelementptr inbounds %S.gen.Gen, ptr %t354, i32 0, i32 11
-  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
-  %t358 = load i64, ptr %t357
-  %t359 = icmp eq i64 %t358, 0
-  br i1 %t359, label %panic4922, label %ok4923
-panic4922:
-  call void @finch_panic(ptr @.str.3170, i64 2308, ptr @.str.3171)
-  unreachable
-ok4923:
-  %t360 = sub i64 %t358, 1
-  %t361 = load ptr, ptr %t356
-  %t362 = getelementptr inbounds %S.gen.Loop, ptr %t361, i64 %t360
-  %t363 = load %S.gen.Loop, ptr %t362
-  store i64 %t360, ptr %t357
-  %t364 = load ptr, ptr %a1
-  %t365 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.br(ptr %t364, { ptr, i64, i64 } %t365)
-  %t366 = load ptr, ptr %a1
-  %t367 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.label(ptr %t366, { ptr, i64, i64 } %t367)
-  %t368 = load ptr, ptr %a1
-  %t369 = load { ptr, i64, i64 }, ptr %a50
-  %t370 = call { ptr, i64, i64 } @finch.gen.load(ptr %t368, { ptr, i64, i64 } { ptr @.str.3172, i64 3, i64 0 }, { ptr, i64, i64 } %t369)
-  store { ptr, i64, i64 } %t370, ptr %a371
-  %t372 = load ptr, ptr %a1
-  %t373 = load ptr, ptr %a1
-  %t374 = load { ptr, i64, i64 }, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.3174, i64 8, i64 0 }, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t378, ptr %a380
-  store { ptr, i64, i64 } { ptr @.str.3175, i64 3, i64 0 }, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  %t383 = call { ptr, i64, i64 } @finch.gen.op(ptr %t373, { ptr, i64, i64 } %t382)
-  %t384 = load { ptr, i64, i64 }, ptr %a50
-  call void @finch.gen.store(ptr %t372, { ptr, i64, i64 } { ptr @.str.3173, i64 3, i64 0 }, { ptr, i64, i64 } %t383, { ptr, i64, i64 } %t384)
-  %t385 = load ptr, ptr %a1
-  %t386 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.br(ptr %t385, { ptr, i64, i64 } %t386)
+ok5177:
+  %t333 = getelementptr inbounds %S.gen.Gen, ptr %t331, i32 0, i32 11
+  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i32 0, i32 1
+  %t335 = load i64, ptr %t334
+  %t336 = insertvalue %S.gen.Loop %t330, i64 %t335, 3
+  %t337 = load i64, ptr %t314
+  %t338 = add i64 %t337, 1
+  call void @finch_arr_reserve(ptr %t313, i64 %t338, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t339 = load ptr, ptr %t313
+  %t340 = getelementptr inbounds %S.gen.Loop, ptr %t339, i64 %t337
+  store %S.gen.Loop %t336, ptr %t340
+  store i64 %t338, ptr %t314
+  %t341 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t341)
+  %t342 = load ptr, ptr %a1
+  %t343 = load ptr, ptr %a1
+  %t344 = load %S.ast.Type, ptr %a16
+  %t345 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t343, %S.ast.Type %t344)
+  %t346 = load ptr, ptr %a1
+  %t347 = load { ptr, i64, i64 }, ptr %a283
+  %t348 = load %S.ast.Type, ptr %a4
+  %t349 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t346, { ptr, i64, i64 } %t347, %S.ast.Type %t348, i64 1)
+  %t350 = call { ptr, i64, i64 } @finch.gen.load(ptr %t342, { ptr, i64, i64 } %t345, { ptr, i64, i64 } %t349)
+  store { ptr, i64, i64 } %t345, ptr %a351
+  call void @finch_str_drop(ptr %a351)
+  store { ptr, i64, i64 } %t349, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  store { ptr, i64, i64 } %t350, ptr %a353
+  %t354 = load i1, ptr %a48
+  br i1 %t354, label %then5178, label %endif5180
+then5178:
+  %t355 = load ptr, ptr %a1
+  %t356 = load { ptr, i64, i64 }, ptr %a353
+  %t357 = load %S.ast.Type, ptr %a16
+  %t358 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t355, { ptr, i64, i64 } %t356, %S.ast.Type %t357)
+  %t359 = load { ptr, i64, i64 }, ptr %a353
+  store { ptr, i64, i64 } %t358, ptr %a353
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  br label %endif5180
+endif5180:
+  %t361 = load ptr, ptr %a1
+  %t362 = load %S.ast.Node, ptr %a2
+  %t363 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t364 = load { ptr, i64, i64 }, ptr %t363
+  %t365 = load %S.ast.Type, ptr %a16
+  %t366 = load { ptr, i64, i64 }, ptr %a353
+  %t367 = load i1, ptr %a48
+  %t368 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t361, %S.ast.Node %t362, { ptr, i64, i64 } %t364, %S.ast.Type %t365, { ptr, i64, i64 } %t366, i1 true, i1 %t367)
+  store { ptr, i64, i64 } %t368, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t371 = getelementptr inbounds { ptr, i64, i64 }, ptr %t370, i32 0, i32 1
+  %t372 = load i64, ptr %t371
+  %t373 = icmp sgt i64 %t372, 0
+  br i1 %t373, label %then5181, label %endif5183
+then5181:
+  %t374 = load ptr, ptr %a1
+  %t375 = load ptr, ptr %a1
+  %t376 = load %S.ast.Type, ptr %a27
+  %t377 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t375, %S.ast.Type %t376)
+  %t378 = load ptr, ptr %a1
+  %t379 = load { ptr, i64, i64 }, ptr %a283
+  %t380 = load %S.ast.Type, ptr %a4
+  %t381 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t378, { ptr, i64, i64 } %t379, %S.ast.Type %t380, i64 2)
+  %t382 = call { ptr, i64, i64 } @finch.gen.load(ptr %t374, { ptr, i64, i64 } %t377, { ptr, i64, i64 } %t381)
+  store { ptr, i64, i64 } %t377, ptr %a383
+  call void @finch_str_drop(ptr %a383)
+  store { ptr, i64, i64 } %t381, ptr %a384
+  call void @finch_str_drop(ptr %a384)
+  store { ptr, i64, i64 } %t382, ptr %a385
+  %t386 = load i1, ptr %a48
+  br i1 %t386, label %then5184, label %endif5186
+then5184:
   %t387 = load ptr, ptr %a1
-  %t388 = load { ptr, i64, i64 }, ptr %a93
-  call void @finch.gen.label(ptr %t387, { ptr, i64, i64 } %t388)
+  %t388 = load { ptr, i64, i64 }, ptr %a385
+  %t389 = load %S.ast.Type, ptr %a27
+  %t390 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t387, { ptr, i64, i64 } %t388, %S.ast.Type %t389)
+  %t391 = load { ptr, i64, i64 }, ptr %a385
+  store { ptr, i64, i64 } %t390, ptr %a385
+  store { ptr, i64, i64 } %t391, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  br label %endif5186
+endif5186:
+  %t393 = load ptr, ptr %a1
+  %t394 = load %S.ast.Node, ptr %a2
+  %t395 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t396 = load { ptr, i64, i64 }, ptr %t395
+  %t397 = load %S.ast.Type, ptr %a27
+  %t398 = load { ptr, i64, i64 }, ptr %a385
+  %t399 = load i1, ptr %a48
+  %t400 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t393, %S.ast.Node %t394, { ptr, i64, i64 } %t396, %S.ast.Type %t397, { ptr, i64, i64 } %t398, i1 true, i1 %t399)
+  store { ptr, i64, i64 } %t400, ptr %a401
+  call void @finch_str_drop(ptr %a401)
+  call void @finch_str_drop(ptr %a385)
+  br label %endif5183
+endif5183:
+  %t402 = load ptr, ptr %a1
+  %t403 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t404 = load { ptr, i64, i64 }, ptr %t403
+  %t405 = extractvalue { ptr, i64, i64 } %t404, 1
+  %t406 = icmp uge i64 1, %t405
+  br i1 %t406, label %range5187, label %inrange5188
+range5187:
+  call void @finch_panic_index(ptr @.str.3276, i64 2495, i64 1, i64 %t405)
+  unreachable
+inrange5188:
+  %t407 = extractvalue { ptr, i64, i64 } %t404, 0
+  %t408 = getelementptr inbounds %S.ast.Node, ptr %t407, i64 1
+  %t409 = load %S.ast.Node, ptr %t408
+  call void @finch.gen.block(ptr %t402, %S.ast.Node %t409, i1 true)
+  %t410 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t410)
+  %t411 = load ptr, ptr %a1
+  %t412 = icmp eq ptr %t411, null
+  br i1 %t412, label %panic5189, label %ok5190
+panic5189:
+  call void @finch_panic(ptr @.str.3277, i64 2497, ptr @.str.3278)
+  unreachable
+ok5190:
+  %t413 = getelementptr inbounds %S.gen.Gen, ptr %t411, i32 0, i32 12
+  %t414 = getelementptr inbounds { ptr, i64, i64 }, ptr %t413, i32 0, i32 1
+  %t415 = load i64, ptr %t414
+  %t416 = icmp eq i64 %t415, 0
+  br i1 %t416, label %panic5191, label %ok5192
+panic5191:
+  call void @finch_panic(ptr @.str.3279, i64 2497, ptr @.str.3280)
+  unreachable
+ok5192:
+  %t417 = sub i64 %t415, 1
+  %t418 = load ptr, ptr %t413
+  %t419 = getelementptr inbounds %S.gen.Loop, ptr %t418, i64 %t417
+  %t420 = load %S.gen.Loop, ptr %t419
+  store i64 %t417, ptr %t414
+  store %S.gen.Loop %t420, ptr %a421
+  call void @finch.drop.S_gen_Loop(ptr %a421)
+  %t422 = load ptr, ptr %a1
+  %t423 = load { ptr, i64, i64 }, ptr %a99
+  call void @finch.gen.br(ptr %t422, { ptr, i64, i64 } %t423)
+  %t424 = load ptr, ptr %a1
+  %t425 = load { ptr, i64, i64 }, ptr %a99
+  call void @finch.gen.label(ptr %t424, { ptr, i64, i64 } %t425)
+  %t426 = load ptr, ptr %a1
+  %t427 = load { ptr, i64, i64 }, ptr %a51
+  %t428 = call { ptr, i64, i64 } @finch.gen.load(ptr %t426, { ptr, i64, i64 } { ptr @.str.3281, i64 3, i64 0 }, { ptr, i64, i64 } %t427)
+  store { ptr, i64, i64 } %t428, ptr %a429
+  %t430 = load ptr, ptr %a1
+  %t431 = load ptr, ptr %a1
+  %t432 = load { ptr, i64, i64 }, ptr %a429
+  store { ptr, i64, i64 } { ptr @.str.3283, i64 8, i64 0 }, ptr %a434
+  store { ptr, i64, i64 } %t432, ptr %a435
+  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
+  %t436 = load { ptr, i64, i64 }, ptr %a433
+  store { ptr, i64, i64 } %t436, ptr %a438
+  store { ptr, i64, i64 } { ptr @.str.3284, i64 3, i64 0 }, ptr %a439
+  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
+  store { ptr, i64, i64 } %t436, ptr %a440
+  call void @finch_str_drop(ptr %a440)
+  %t441 = load { ptr, i64, i64 }, ptr %a437
+  %t442 = call { ptr, i64, i64 } @finch.gen.op(ptr %t431, { ptr, i64, i64 } %t441)
+  store { ptr, i64, i64 } %t441, ptr %a443
+  call void @finch_str_drop(ptr %a443)
+  %t444 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.store(ptr %t430, { ptr, i64, i64 } { ptr @.str.3282, i64 3, i64 0 }, { ptr, i64, i64 } %t442, { ptr, i64, i64 } %t444)
+  store { ptr, i64, i64 } %t442, ptr %a445
+  call void @finch_str_drop(ptr %a445)
+  %t446 = load ptr, ptr %a1
+  %t447 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t446, { ptr, i64, i64 } %t447)
+  %t448 = load ptr, ptr %a1
+  %t449 = load { ptr, i64, i64 }, ptr %a102
+  call void @finch.gen.label(ptr %t448, { ptr, i64, i64 } %t449)
+  call void @finch_str_drop(ptr %a429)
+  call void @finch_str_drop(ptr %a353)
+  call void @finch_str_drop(ptr %a291)
+  call void @finch_str_drop(ptr %a283)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a221)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a96)
+  call void @finch_str_drop(ptr %a93)
+  call void @finch_str_drop(ptr %a90)
+  call void @finch_str_drop(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Ref(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Ref, ptr %a, i32 0, i32 1
+  call void @finch.drop.S_gen_Place(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Ref, ptr %a, i32 0, i32 2
+  call void @finch.drop.S_gen_Val(ptr %t2)
   ret void
 }
 
@@ -44878,85 +52467,123 @@ entry:
   %a16 = alloca %S.ast.Type, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca %S.ast.Type, align 16
-  %a29 = alloca %S.ast.Type, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.ast.Type, align 16
+  %a31 = alloca %S.ast.Type, align 16
   %a34 = alloca %S.ast.Type, align 16
-  %a35 = alloca %S.ast.Type, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca %S.ast.Type, align 16
+  %a39 = alloca %S.ast.Type, align 16
+  %a42 = alloca %S.ast.Type, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca %S.ast.Type, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca %S.ast.Type, align 16
-  %a101 = alloca %S.ast.Type, align 16
-  %a127 = alloca i1, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca %S.ast.Type, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca %S.ast.Type, align 16
+  %a129 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.ast.Type, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca i1, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
   %a264 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a279 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca %S.ast.Type, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca %S.gen.Loop, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -44966,457 +52593,583 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range4924, label %inrange4925
-range4924:
-  call void @finch_panic_index(ptr @.str.3176, i64 2319, i64 0, i64 %t7)
+  br i1 %t8, label %range5193, label %inrange5194
+range5193:
+  call void @finch_panic_index(ptr @.str.3285, i64 2508, i64 0, i64 %t7)
   unreachable
-inrange4925:
+inrange5194:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
   %t12 = call %S.gen.Ref @finch.gen.ref(ptr %t4, %S.ast.Node %t11, i1 false)
   store %S.gen.Ref %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.3177, i64 0, i64 0 }, ptr %a14
-  %t15 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3178, i64 4, i64 0 })
+  store { ptr, i64, i64 } { ptr @.str.3286, i64 0, i64 0 }, ptr %a14
+  %t15 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3287, i64 4, i64 0 })
   store %S.ast.Type %t15, ptr %a16
   %t17 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
   %t18 = load i1, ptr %t17
-  br i1 %t18, label %then4926, label %else4927
-then4926:
+  br i1 %t18, label %then5195, label %else5196
+then5195:
   %t19 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 1
   %t20 = getelementptr inbounds %S.gen.Place, ptr %t19, i32 0, i32 0
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
   call void @finch_str_copy(ptr %a23, ptr %a22)
   %t24 = load { ptr, i64, i64 }, ptr %a23
+  %t25 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t24, ptr %a14
-  %t25 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 1
-  %t26 = getelementptr inbounds %S.gen.Place, ptr %t25, i32 0, i32 1
-  %t27 = load %S.ast.Type, ptr %t26
-  store %S.ast.Type %t27, ptr %a28
-  call void @finch.copy.S_ast_Type(ptr %a29, ptr %a28)
-  %t30 = load %S.ast.Type, ptr %a29
-  store %S.ast.Type %t30, ptr %a16
-  br label %endif4928
-else4927:
-  %t31 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
-  %t32 = getelementptr inbounds %S.gen.Val, ptr %t31, i32 0, i32 1
-  %t33 = load %S.ast.Type, ptr %t32
+  store { ptr, i64, i64 } %t25, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 1
+  %t28 = getelementptr inbounds %S.gen.Place, ptr %t27, i32 0, i32 1
+  %t29 = load %S.ast.Type, ptr %t28
+  store %S.ast.Type %t29, ptr %a30
+  call void @finch.copy.S_ast_Type(ptr %a31, ptr %a30)
+  %t32 = load %S.ast.Type, ptr %a31
+  %t33 = load %S.ast.Type, ptr %a16
+  store %S.ast.Type %t32, ptr %a16
   store %S.ast.Type %t33, ptr %a34
-  call void @finch.copy.S_ast_Type(ptr %a35, ptr %a34)
-  %t36 = load %S.ast.Type, ptr %a35
-  store %S.ast.Type %t36, ptr %a16
-  %t37 = load ptr, ptr %a1
-  %t38 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
-  %t39 = load %S.gen.Val, ptr %t38
-  %t40 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t37, %S.gen.Val %t39)
-  store { ptr, i64, i64 } %t40, ptr %a14
-  br label %endif4928
-endif4928:
-  %t41 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.3179, i64 3, i64 0 }, ptr %a44
-  %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
-  %t46 = icmp ne i32 %t45, 0
-  br i1 %t46, label %then4929, label %endif4931
-then4929:
-  %t47 = load ptr, ptr %a1
-  %t48 = load %S.ast.Node, ptr %a2
-  %t49 = load { ptr, i64, i64 }, ptr %a14
-  %t50 = load %S.ast.Type, ptr %a16
-  %t51 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
-  %t52 = load i1, ptr %t51
-  call void @finch.gen.eachMap(ptr %t47, %S.ast.Node %t48, { ptr, i64, i64 } %t49, %S.ast.Type %t50, i1 %t52)
-  %t53 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t53)
-  ret void
-endif4931:
-  %t54 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t55 = load { ptr, i64, i64 }, ptr %t54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.3180, i64 5, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
-  %t59 = icmp eq i32 %t58, 0
-  br label %logic.from4932
-logic.from4932:
-  br i1 %t59, label %logic.rhs4933, label %logic.end4934
-logic.rhs4933:
-  %t60 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t61 = load { ptr, i64, i64 }, ptr %t60
-  store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.3181, i64 3, i64 0 }, ptr %a63
-  %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
-  %t65 = icmp eq i32 %t64, 0
-  br label %logic.rend4935
-logic.rend4935:
-  br label %logic.end4934
-logic.end4934:
-  %t66 = phi i1 [ false, %logic.from4932 ], [ %t65, %logic.rend4935 ]
-  br i1 %t66, label %then4936, label %endif4938
-then4936:
-  %t67 = load ptr, ptr %a1
-  %t68 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  %t70 = extractvalue { ptr, i64, i64 } %t69, 1
-  %t71 = icmp uge i64 0, %t70
-  br i1 %t71, label %range4939, label %inrange4940
-range4939:
-  call void @finch_panic_index(ptr @.str.3182, i64 2335, i64 0, i64 %t70)
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  br label %endif5197
+else5196:
+  %t35 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
+  %t36 = getelementptr inbounds %S.gen.Val, ptr %t35, i32 0, i32 1
+  %t37 = load %S.ast.Type, ptr %t36
+  store %S.ast.Type %t37, ptr %a38
+  call void @finch.copy.S_ast_Type(ptr %a39, ptr %a38)
+  %t40 = load %S.ast.Type, ptr %a39
+  %t41 = load %S.ast.Type, ptr %a16
+  store %S.ast.Type %t40, ptr %a16
+  store %S.ast.Type %t41, ptr %a42
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  %t43 = load ptr, ptr %a1
+  %t44 = load %S.ast.Node, ptr %a2
+  %t45 = load ptr, ptr %a1
+  %t46 = icmp eq ptr %t45, null
+  br i1 %t46, label %panic5198, label %ok5199
+panic5198:
+  call void @finch_panic(ptr @.str.3289, i64 2516, ptr @.str.3290)
   unreachable
-inrange4940:
-  %t72 = extractvalue { ptr, i64, i64 } %t69, 0
-  %t73 = getelementptr inbounds %S.ast.Node, ptr %t72, i64 0
-  %t74 = load %S.ast.Node, ptr %t73
+ok5199:
+  %t47 = getelementptr inbounds %S.gen.Gen, ptr %t45, i32 0, i32 24
+  %t48 = load i64, ptr %t47
+  call void @finch_str_from_int(ptr %a49, i64 %t48)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.3288, i64 5, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load %S.ast.Type, ptr %a16
+  %t57 = load ptr, ptr %a1
+  %t58 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 2
+  %t59 = load %S.gen.Val, ptr %t58
+  %t60 = call { ptr, i64, i64 } @finch.gen.own(ptr %t57, %S.gen.Val %t59)
+  %t61 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t43, %S.ast.Node %t44, { ptr, i64, i64 } %t55, %S.ast.Type %t56, { ptr, i64, i64 } %t60, i1 false, i1 true)
+  store { ptr, i64, i64 } %t55, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t61, ptr %a14
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  br label %endif5197
+endif5197:
+  %t66 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t67 = load { ptr, i64, i64 }, ptr %t66
+  store { ptr, i64, i64 } %t67, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.3291, i64 3, i64 0 }, ptr %a69
+  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
+  %t71 = icmp ne i32 %t70, 0
+  br i1 %t71, label %then5200, label %endif5202
+then5200:
+  %t72 = load ptr, ptr %a1
+  %t73 = load %S.ast.Node, ptr %a2
+  %t74 = load { ptr, i64, i64 }, ptr %a14
   %t75 = load %S.ast.Type, ptr %a16
-  %t76 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t75)
-  store { ptr, i64, i64 } { ptr @.str.3183, i64 55, i64 0 }, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } %t80, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.3184, i64 36, i64 0 }, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.fail(ptr %t67, %S.ast.Node %t74, { ptr, i64, i64 } %t84)
-  br label %endif4938
-endif4938:
-  %t85 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3185, i64 4, i64 0 })
-  store %S.ast.Type %t85, ptr %a86
-  %t87 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
-  %t88 = load { ptr, i64, i64 }, ptr %t87
-  store { ptr, i64, i64 } %t88, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.3186, i64 5, i64 0 }, ptr %a90
-  %t91 = call i32 @finch_str_eq(ptr %a89, ptr %a90)
-  %t92 = icmp ne i32 %t91, 0
-  br i1 %t92, label %then4941, label %endif4943
-then4941:
-  %t93 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 1
+  %t76 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
+  %t77 = load i1, ptr %t76
+  call void @finch.gen.eachMap(ptr %t72, %S.ast.Node %t73, { ptr, i64, i64 } %t74, %S.ast.Type %t75, i1 %t77)
+  %t78 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t78)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  call void @finch_str_drop(ptr %a14)
+  call void @finch.drop.S_gen_Ref(ptr %a13)
+  ret void
+endif5202:
+  %t79 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t80, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3292, i64 5, i64 0 }, ptr %a82
+  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
+  %t84 = icmp eq i32 %t83, 0
+  br label %logic.from5203
+logic.from5203:
+  br i1 %t84, label %logic.rhs5204, label %logic.end5205
+logic.rhs5204:
+  %t85 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  store { ptr, i64, i64 } %t86, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.3293, i64 3, i64 0 }, ptr %a88
+  %t89 = call i32 @finch_str_eq(ptr %a87, ptr %a88)
+  %t90 = icmp eq i32 %t89, 0
+  br label %logic.rend5206
+logic.rend5206:
+  br label %logic.end5205
+logic.end5205:
+  %t91 = phi i1 [ false, %logic.from5203 ], [ %t90, %logic.rend5206 ]
+  br i1 %t91, label %then5207, label %endif5209
+then5207:
+  %t92 = load ptr, ptr %a1
+  %t93 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t94 = load { ptr, i64, i64 }, ptr %t93
   %t95 = extractvalue { ptr, i64, i64 } %t94, 1
   %t96 = icmp uge i64 0, %t95
-  br i1 %t96, label %range4944, label %inrange4945
-range4944:
-  call void @finch_panic_index(ptr @.str.3187, i64 2339, i64 0, i64 %t95)
+  br i1 %t96, label %range5210, label %inrange5211
+range5210:
+  call void @finch_panic_index(ptr @.str.3294, i64 2524, i64 0, i64 %t95)
   unreachable
-inrange4945:
+inrange5211:
   %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %t97, i64 0
-  %t99 = load %S.ast.Type, ptr %t98
-  store %S.ast.Type %t99, ptr %a100
-  call void @finch.copy.S_ast_Type(ptr %a101, ptr %a100)
-  %t102 = load %S.ast.Type, ptr %a101
-  store %S.ast.Type %t102, ptr %a86
-  br label %endif4943
-endif4943:
-  %t103 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
-  %t104 = load i1, ptr %t103
-  br label %logic.from4946
-logic.from4946:
-  br i1 %t104, label %logic.rhs4947, label %logic.end4948
-logic.rhs4947:
-  %t105 = load ptr, ptr %a1
-  %t106 = load %S.ast.Type, ptr %a86
-  %t107 = call i1 @finch.gen.owning(ptr %t105, %S.ast.Type %t106)
-  br label %logic.rend4949
-logic.rend4949:
-  br label %logic.end4948
-logic.end4948:
-  %t108 = phi i1 [ false, %logic.from4946 ], [ %t107, %logic.rend4949 ]
-  br label %logic.from4950
-logic.from4950:
-  br i1 %t108, label %logic.rhs4951, label %logic.end4952
-logic.rhs4951:
-  %t109 = load ptr, ptr %a1
-  %t110 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  %t112 = extractvalue { ptr, i64, i64 } %t111, 1
-  %t113 = icmp uge i64 0, %t112
-  br i1 %t113, label %range4953, label %inrange4954
-range4953:
-  call void @finch_panic_index(ptr @.str.3188, i64 2341, i64 0, i64 %t112)
+  %t98 = getelementptr inbounds %S.ast.Node, ptr %t97, i64 0
+  %t99 = load %S.ast.Node, ptr %t98
+  %t100 = load %S.ast.Type, ptr %a16
+  %t101 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t100)
+  store { ptr, i64, i64 } { ptr @.str.3295, i64 55, i64 0 }, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t101, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.3296, i64 36, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  call void @finch.gen.fail(ptr %t92, %S.ast.Node %t99, { ptr, i64, i64 } %t111)
+  store { ptr, i64, i64 } %t111, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  br label %endif5209
+endif5209:
+  %t113 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3297, i64 4, i64 0 })
+  store %S.ast.Type %t113, ptr %a114
+  %t115 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 0
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  store { ptr, i64, i64 } %t116, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.3298, i64 5, i64 0 }, ptr %a118
+  %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
+  %t120 = icmp ne i32 %t119, 0
+  br i1 %t120, label %then5212, label %endif5214
+then5212:
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a16, i32 0, i32 1
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
+  %t124 = icmp uge i64 0, %t123
+  br i1 %t124, label %range5215, label %inrange5216
+range5215:
+  call void @finch_panic_index(ptr @.str.3299, i64 2528, i64 0, i64 %t123)
   unreachable
-inrange4954:
-  %t114 = extractvalue { ptr, i64, i64 } %t111, 0
-  %t115 = getelementptr inbounds %S.ast.Node, ptr %t114, i64 0
-  %t116 = load %S.ast.Node, ptr %t115
-  %t117 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t116)
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 1, %t120
-  br i1 %t121, label %range4955, label %inrange4956
-range4955:
-  call void @finch_panic_index(ptr @.str.3189, i64 2341, i64 1, i64 %t120)
-  unreachable
-inrange4956:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %t122, i64 1
-  %t124 = load %S.ast.Node, ptr %t123
-  %t125 = call i1 @finch.gen.mutates(ptr %t109, { ptr, i64, i64 } %t117, %S.ast.Node %t124)
-  br label %logic.rend4957
-logic.rend4957:
-  br label %logic.end4952
-logic.end4952:
-  %t126 = phi i1 [ false, %logic.from4950 ], [ %t125, %logic.rend4957 ]
-  store i1 %t126, ptr %a127
-  %t128 = load ptr, ptr %a1
-  %t129 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t128, { ptr, i64, i64 } { ptr @.str.3190, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t129, ptr %a130
-  %t131 = load ptr, ptr %a1
-  %t132 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.store(ptr %t131, { ptr, i64, i64 } { ptr @.str.3191, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3192, i64 1, i64 0 }, { ptr, i64, i64 } %t132)
-  %t133 = load ptr, ptr %a1
-  %t134 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t133, { ptr, i64, i64 } { ptr @.str.3193, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t134, ptr %a135
-  %t136 = load ptr, ptr %a1
-  %t137 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t136, { ptr, i64, i64 } { ptr @.str.3194, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t137, ptr %a138
+inrange5216:
+  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
+  %t126 = getelementptr inbounds %S.ast.Type, ptr %t125, i64 0
+  %t127 = load %S.ast.Type, ptr %t126
+  store %S.ast.Type %t127, ptr %a128
+  call void @finch.copy.S_ast_Type(ptr %a129, ptr %a128)
+  %t130 = load %S.ast.Type, ptr %a129
+  %t131 = load %S.ast.Type, ptr %a114
+  store %S.ast.Type %t130, ptr %a114
+  store %S.ast.Type %t131, ptr %a132
+  call void @finch.drop.S_ast_Type(ptr %a132)
+  br label %endif5214
+endif5214:
+  %t133 = getelementptr inbounds %S.gen.Ref, ptr %a13, i32 0, i32 0
+  %t134 = load i1, ptr %t133
+  br label %logic.from5217
+logic.from5217:
+  br i1 %t134, label %logic.rhs5218, label %logic.end5219
+logic.rhs5218:
+  %t135 = load ptr, ptr %a1
+  %t136 = load %S.ast.Type, ptr %a114
+  %t137 = call i1 @finch.gen.owning(ptr %t135, %S.ast.Type %t136)
+  br label %logic.rend5220
+logic.rend5220:
+  br label %logic.end5219
+logic.end5219:
+  %t138 = phi i1 [ false, %logic.from5217 ], [ %t137, %logic.rend5220 ]
+  br label %logic.from5221
+logic.from5221:
+  br i1 %t138, label %logic.rhs5222, label %logic.end5223
+logic.rhs5222:
   %t139 = load ptr, ptr %a1
-  %t140 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t139, { ptr, i64, i64 } { ptr @.str.3195, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t140, ptr %a141
-  %t142 = load ptr, ptr %a1
-  %t143 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t142, { ptr, i64, i64 } { ptr @.str.3196, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t143, ptr %a144
-  %t145 = load ptr, ptr %a1
-  %t146 = load { ptr, i64, i64 }, ptr %a135
-  call void @finch.gen.br(ptr %t145, { ptr, i64, i64 } %t146)
-  %t147 = load ptr, ptr %a1
-  %t148 = load { ptr, i64, i64 }, ptr %a135
-  call void @finch.gen.label(ptr %t147, { ptr, i64, i64 } %t148)
-  %t149 = load ptr, ptr %a1
-  %t150 = load ptr, ptr %a1
-  %t151 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3198, i64 46, i64 0 }, ptr %a153
-  store { ptr, i64, i64 } %t151, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } %t155, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.3199, i64 14, i64 0 }, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  %t160 = call { ptr, i64, i64 } @finch.gen.op(ptr %t150, { ptr, i64, i64 } %t159)
-  %t161 = call { ptr, i64, i64 } @finch.gen.load(ptr %t149, { ptr, i64, i64 } { ptr @.str.3197, i64 3, i64 0 }, { ptr, i64, i64 } %t160)
-  store { ptr, i64, i64 } %t161, ptr %a162
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a130
-  %t165 = call { ptr, i64, i64 } @finch.gen.load(ptr %t163, { ptr, i64, i64 } { ptr @.str.3200, i64 3, i64 0 }, { ptr, i64, i64 } %t164)
+  %t140 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
+  %t143 = icmp uge i64 0, %t142
+  br i1 %t143, label %range5224, label %inrange5225
+range5224:
+  call void @finch_panic_index(ptr @.str.3300, i64 2530, i64 0, i64 %t142)
+  unreachable
+inrange5225:
+  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
+  %t145 = getelementptr inbounds %S.ast.Node, ptr %t144, i64 0
+  %t146 = load %S.ast.Node, ptr %t145
+  %t147 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t146)
+  %t148 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t149 = load { ptr, i64, i64 }, ptr %t148
+  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
+  %t151 = icmp uge i64 1, %t150
+  br i1 %t151, label %range5226, label %inrange5227
+range5226:
+  call void @finch_panic_index(ptr @.str.3301, i64 2530, i64 1, i64 %t150)
+  unreachable
+inrange5227:
+  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
+  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 1
+  %t154 = load %S.ast.Node, ptr %t153
+  %t155 = call i1 @finch.gen.mutates(ptr %t139, { ptr, i64, i64 } %t147, %S.ast.Node %t154)
+  store { ptr, i64, i64 } %t147, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  br label %logic.rend5228
+logic.rend5228:
+  br label %logic.end5223
+logic.end5223:
+  %t157 = phi i1 [ false, %logic.from5221 ], [ %t155, %logic.rend5228 ]
+  store i1 %t157, ptr %a158
+  %t159 = load ptr, ptr %a1
+  %t160 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t159, { ptr, i64, i64 } { ptr @.str.3302, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t160, ptr %a161
+  %t162 = load ptr, ptr %a1
+  %t163 = load { ptr, i64, i64 }, ptr %a161
+  call void @finch.gen.store(ptr %t162, { ptr, i64, i64 } { ptr @.str.3303, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3304, i64 1, i64 0 }, { ptr, i64, i64 } %t163)
+  %t164 = load ptr, ptr %a1
+  %t165 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t164, { ptr, i64, i64 } { ptr @.str.3305, i64 9, i64 0 })
   store { ptr, i64, i64 } %t165, ptr %a166
   %t167 = load ptr, ptr %a1
-  %t168 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } { ptr @.str.3201, i64 13, i64 0 }, ptr %a170
-  store { ptr, i64, i64 } %t168, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  store { ptr, i64, i64 } %t172, ptr %a174
-  store { ptr, i64, i64 } { ptr @.str.3202, i64 2, i64 0 }, ptr %a175
-  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
-  %t176 = load { ptr, i64, i64 }, ptr %a173
-  %t177 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t176, ptr %a179
-  store { ptr, i64, i64 } %t177, ptr %a180
-  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
-  %t181 = load { ptr, i64, i64 }, ptr %a178
-  %t182 = call { ptr, i64, i64 } @finch.gen.op(ptr %t167, { ptr, i64, i64 } %t181)
-  store { ptr, i64, i64 } %t182, ptr %a183
-  %t184 = load ptr, ptr %a1
-  %t185 = load { ptr, i64, i64 }, ptr %a183
-  %t186 = load { ptr, i64, i64 }, ptr %a138
-  %t187 = load { ptr, i64, i64 }, ptr %a144
-  call void @finch.gen.condBr(ptr %t184, { ptr, i64, i64 } %t185, { ptr, i64, i64 } %t186, { ptr, i64, i64 } %t187)
-  %t188 = load ptr, ptr %a1
-  %t189 = load { ptr, i64, i64 }, ptr %a138
-  call void @finch.gen.label(ptr %t188, { ptr, i64, i64 } %t189)
-  %t190 = load ptr, ptr %a1
-  %t191 = load { ptr, i64, i64 }, ptr %a14
-  %t192 = call { ptr, i64, i64 } @finch.gen.load(ptr %t190, { ptr, i64, i64 } { ptr @.str.3203, i64 3, i64 0 }, { ptr, i64, i64 } %t191)
-  store { ptr, i64, i64 } %t192, ptr %a193
-  %t194 = load ptr, ptr %a1
-  %t195 = load ptr, ptr %a1
-  %t196 = load %S.ast.Type, ptr %a86
-  %t197 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t195, %S.ast.Type %t196)
-  store { ptr, i64, i64 } { ptr @.str.3204, i64 23, i64 0 }, ptr %a199
-  store { ptr, i64, i64 } %t197, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t201, ptr %a203
-  store { ptr, i64, i64 } { ptr @.str.3205, i64 6, i64 0 }, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = load { ptr, i64, i64 }, ptr %a193
-  store { ptr, i64, i64 } %t205, ptr %a208
-  store { ptr, i64, i64 } %t206, ptr %a209
+  %t168 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t167, { ptr, i64, i64 } { ptr @.str.3306, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t168, ptr %a169
+  %t170 = load ptr, ptr %a1
+  %t171 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t170, { ptr, i64, i64 } { ptr @.str.3307, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t171, ptr %a172
+  %t173 = load ptr, ptr %a1
+  %t174 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t173, { ptr, i64, i64 } { ptr @.str.3308, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t174, ptr %a175
+  %t176 = load ptr, ptr %a1
+  %t177 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.br(ptr %t176, { ptr, i64, i64 } %t177)
+  %t178 = load ptr, ptr %a1
+  %t179 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.label(ptr %t178, { ptr, i64, i64 } %t179)
+  %t180 = load ptr, ptr %a1
+  %t181 = load ptr, ptr %a1
+  %t182 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.3310, i64 46, i64 0 }, ptr %a184
+  store { ptr, i64, i64 } %t182, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a183
+  store { ptr, i64, i64 } %t186, ptr %a188
+  store { ptr, i64, i64 } { ptr @.str.3311, i64 14, i64 0 }, ptr %a189
+  call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
+  store { ptr, i64, i64 } %t186, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a187
+  %t192 = call { ptr, i64, i64 } @finch.gen.op(ptr %t181, { ptr, i64, i64 } %t191)
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = call { ptr, i64, i64 } @finch.gen.load(ptr %t180, { ptr, i64, i64 } { ptr @.str.3309, i64 3, i64 0 }, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a195
+  call void @finch_str_drop(ptr %a195)
+  store { ptr, i64, i64 } %t194, ptr %a196
+  %t197 = load ptr, ptr %a1
+  %t198 = load { ptr, i64, i64 }, ptr %a161
+  %t199 = call { ptr, i64, i64 } @finch.gen.load(ptr %t197, { ptr, i64, i64 } { ptr @.str.3312, i64 3, i64 0 }, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t199, ptr %a200
+  %t201 = load ptr, ptr %a1
+  %t202 = load { ptr, i64, i64 }, ptr %a200
+  store { ptr, i64, i64 } { ptr @.str.3313, i64 13, i64 0 }, ptr %a204
+  store { ptr, i64, i64 } %t202, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  %t206 = load { ptr, i64, i64 }, ptr %a203
+  store { ptr, i64, i64 } %t206, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.3314, i64 2, i64 0 }, ptr %a209
   call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  store { ptr, i64, i64 } %t210, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.3206, i64 6, i64 0 }, ptr %a213
-  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
-  %t214 = load { ptr, i64, i64 }, ptr %a211
-  %t215 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } %t214, ptr %a217
-  store { ptr, i64, i64 } %t215, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  %t220 = call { ptr, i64, i64 } @finch.gen.op(ptr %t194, { ptr, i64, i64 } %t219)
-  store { ptr, i64, i64 } %t220, ptr %a221
-  %t222 = load ptr, ptr %a1
-  %t223 = load ptr, ptr %a1
-  %t224 = load %S.ast.Type, ptr %a86
-  %t225 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t223, %S.ast.Type %t224)
-  %t226 = load { ptr, i64, i64 }, ptr %a221
-  %t227 = call { ptr, i64, i64 } @finch.gen.load(ptr %t222, { ptr, i64, i64 } %t225, { ptr, i64, i64 } %t226)
-  store { ptr, i64, i64 } %t227, ptr %a228
-  %t229 = load i1, ptr %a127
-  br i1 %t229, label %then4958, label %endif4960
-then4958:
-  %t230 = load ptr, ptr %a1
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load %S.ast.Type, ptr %a86
-  %t233 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t230, { ptr, i64, i64 } %t231, %S.ast.Type %t232)
-  store { ptr, i64, i64 } %t233, ptr %a228
-  br label %endif4960
-endif4960:
-  %t234 = load ptr, ptr %a1
-  %t235 = icmp eq ptr %t234, null
-  br i1 %t235, label %panic4961, label %ok4962
-panic4961:
-  call void @finch_panic(ptr @.str.3207, i64 2361, ptr @.str.3208)
+  store { ptr, i64, i64 } %t206, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  %t211 = load { ptr, i64, i64 }, ptr %a207
+  %t212 = load { ptr, i64, i64 }, ptr %a196
+  store { ptr, i64, i64 } %t211, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t211, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  %t218 = call { ptr, i64, i64 } @finch.gen.op(ptr %t201, { ptr, i64, i64 } %t217)
+  store { ptr, i64, i64 } %t217, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  store { ptr, i64, i64 } %t218, ptr %a220
+  %t221 = load ptr, ptr %a1
+  %t222 = load { ptr, i64, i64 }, ptr %a220
+  %t223 = load { ptr, i64, i64 }, ptr %a169
+  %t224 = load { ptr, i64, i64 }, ptr %a175
+  call void @finch.gen.condBr(ptr %t221, { ptr, i64, i64 } %t222, { ptr, i64, i64 } %t223, { ptr, i64, i64 } %t224)
+  %t225 = load ptr, ptr %a1
+  %t226 = load { ptr, i64, i64 }, ptr %a169
+  call void @finch.gen.label(ptr %t225, { ptr, i64, i64 } %t226)
+  %t227 = load ptr, ptr %a1
+  %t228 = load { ptr, i64, i64 }, ptr %a14
+  %t229 = call { ptr, i64, i64 } @finch.gen.load(ptr %t227, { ptr, i64, i64 } { ptr @.str.3315, i64 3, i64 0 }, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t229, ptr %a230
+  %t231 = load ptr, ptr %a1
+  %t232 = load ptr, ptr %a1
+  %t233 = load %S.ast.Type, ptr %a114
+  %t234 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t232, %S.ast.Type %t233)
+  store { ptr, i64, i64 } { ptr @.str.3316, i64 23, i64 0 }, ptr %a236
+  store { ptr, i64, i64 } %t234, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  store { ptr, i64, i64 } %t239, ptr %a241
+  store { ptr, i64, i64 } { ptr @.str.3317, i64 6, i64 0 }, ptr %a242
+  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
+  store { ptr, i64, i64 } %t239, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  %t244 = load { ptr, i64, i64 }, ptr %a240
+  %t245 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t244, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t244, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  %t250 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t250, ptr %a252
+  store { ptr, i64, i64 } { ptr @.str.3318, i64 6, i64 0 }, ptr %a253
+  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
+  store { ptr, i64, i64 } %t250, ptr %a254
+  call void @finch_str_drop(ptr %a254)
+  %t255 = load { ptr, i64, i64 }, ptr %a251
+  %t256 = load { ptr, i64, i64 }, ptr %a200
+  store { ptr, i64, i64 } %t255, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t255, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a257
+  %t262 = call { ptr, i64, i64 } @finch.gen.op(ptr %t231, { ptr, i64, i64 } %t261)
+  store { ptr, i64, i64 } %t261, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  store { ptr, i64, i64 } %t262, ptr %a264
+  %t265 = load ptr, ptr %a1
+  %t266 = load ptr, ptr %a1
+  %t267 = load %S.ast.Type, ptr %a114
+  %t268 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t266, %S.ast.Type %t267)
+  %t269 = load { ptr, i64, i64 }, ptr %a264
+  %t270 = call { ptr, i64, i64 } @finch.gen.load(ptr %t265, { ptr, i64, i64 } %t268, { ptr, i64, i64 } %t269)
+  store { ptr, i64, i64 } %t268, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  %t273 = load i1, ptr %a158
+  br i1 %t273, label %then5229, label %endif5231
+then5229:
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a272
+  %t276 = load %S.ast.Type, ptr %a114
+  %t277 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t274, { ptr, i64, i64 } %t275, %S.ast.Type %t276)
+  %t278 = load { ptr, i64, i64 }, ptr %a272
+  store { ptr, i64, i64 } %t277, ptr %a272
+  store { ptr, i64, i64 } %t278, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  br label %endif5231
+endif5231:
+  %t280 = load ptr, ptr %a1
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic5232, label %ok5233
+panic5232:
+  call void @finch_panic(ptr @.str.3319, i64 2550, ptr @.str.3320)
   unreachable
-ok4962:
-  %t236 = getelementptr inbounds %S.gen.Gen, ptr %t234, i32 0, i32 11
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %a141
-  store { ptr, i64, i64 } %t238, ptr %a239
-  call void @finch_str_copy(ptr %a240, ptr %a239)
-  %t241 = load { ptr, i64, i64 }, ptr %a240
-  %t242 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t241, 0
-  %t243 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t243, ptr %a244
-  call void @finch_str_copy(ptr %a245, ptr %a244)
-  %t246 = load { ptr, i64, i64 }, ptr %a245
-  %t247 = insertvalue %S.gen.Loop %t242, { ptr, i64, i64 } %t246, 1
-  %t248 = load ptr, ptr %a1
-  %t249 = icmp eq ptr %t248, null
-  br i1 %t249, label %panic4963, label %ok4964
-panic4963:
-  call void @finch_panic(ptr @.str.3209, i64 2361, ptr @.str.3210)
+ok5233:
+  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 12
+  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
+  %t284 = load { ptr, i64, i64 }, ptr %a172
+  store { ptr, i64, i64 } %t284, ptr %a285
+  call void @finch_str_copy(ptr %a286, ptr %a285)
+  %t287 = load { ptr, i64, i64 }, ptr %a286
+  %t288 = insertvalue %S.gen.Loop zeroinitializer, { ptr, i64, i64 } %t287, 0
+  %t289 = load { ptr, i64, i64 }, ptr %a175
+  store { ptr, i64, i64 } %t289, ptr %a290
+  call void @finch_str_copy(ptr %a291, ptr %a290)
+  %t292 = load { ptr, i64, i64 }, ptr %a291
+  %t293 = insertvalue %S.gen.Loop %t288, { ptr, i64, i64 } %t292, 1
+  %t294 = load ptr, ptr %a1
+  %t295 = icmp eq ptr %t294, null
+  br i1 %t295, label %panic5234, label %ok5235
+panic5234:
+  call void @finch_panic(ptr @.str.3321, i64 2550, ptr @.str.3322)
   unreachable
-ok4964:
-  %t250 = getelementptr inbounds %S.gen.Gen, ptr %t248, i32 0, i32 10
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %t250, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  %t253 = insertvalue %S.gen.Loop %t247, i64 %t252, 2
-  %t254 = load i64, ptr %t237
-  %t255 = add i64 %t254, 1
-  call void @finch_arr_reserve(ptr %t236, i64 %t255, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
-  %t256 = load ptr, ptr %t236
-  %t257 = getelementptr inbounds %S.gen.Loop, ptr %t256, i64 %t254
-  store %S.gen.Loop %t253, ptr %t257
-  store i64 %t255, ptr %t237
-  %t258 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t258)
-  %t259 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t260 = load { ptr, i64, i64 }, ptr %t259
-  store { ptr, i64, i64 } %t260, ptr %a261
-  call void @finch_str_copy(ptr %a262, ptr %a261)
-  %t263 = load { ptr, i64, i64 }, ptr %a262
-  store { ptr, i64, i64 } %t263, ptr %a264
-  %t265 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i32 0, i32 1
-  %t267 = load i64, ptr %t266
-  %t268 = icmp sgt i64 %t267, 0
-  br i1 %t268, label %then4965, label %endif4967
-then4965:
-  %t269 = load ptr, ptr %a1
-  %t270 = load %S.ast.Node, ptr %a2
-  %t271 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t272 = load { ptr, i64, i64 }, ptr %t271
-  %t273 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3211, i64 3, i64 0 })
-  %t274 = load { ptr, i64, i64 }, ptr %a166
-  %t275 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t269, %S.ast.Node %t270, { ptr, i64, i64 } %t272, %S.ast.Type %t273, { ptr, i64, i64 } %t274, i1 true)
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
-  %t277 = load { ptr, i64, i64 }, ptr %t276
-  store { ptr, i64, i64 } %t277, ptr %a278
-  call void @finch_str_copy(ptr %a279, ptr %a278)
-  %t280 = load { ptr, i64, i64 }, ptr %a279
-  store { ptr, i64, i64 } %t280, ptr %a264
-  br label %endif4967
-endif4967:
-  %t281 = load ptr, ptr %a1
-  %t282 = load %S.ast.Node, ptr %a2
-  %t283 = load { ptr, i64, i64 }, ptr %a264
-  %t284 = load %S.ast.Type, ptr %a86
-  %t285 = load { ptr, i64, i64 }, ptr %a228
-  %t286 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t281, %S.ast.Node %t282, { ptr, i64, i64 } %t283, %S.ast.Type %t284, { ptr, i64, i64 } %t285, i1 true)
-  %t287 = load ptr, ptr %a1
-  %t288 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t289 = load { ptr, i64, i64 }, ptr %t288
-  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
-  %t291 = icmp uge i64 1, %t290
-  br i1 %t291, label %range4968, label %inrange4969
-range4968:
-  call void @finch_panic_index(ptr @.str.3212, i64 2369, i64 1, i64 %t290)
+ok5235:
+  %t296 = getelementptr inbounds %S.gen.Gen, ptr %t294, i32 0, i32 10
+  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t296, i32 0, i32 1
+  %t298 = load i64, ptr %t297
+  %t299 = insertvalue %S.gen.Loop %t293, i64 %t298, 2
+  %t300 = load ptr, ptr %a1
+  %t301 = icmp eq ptr %t300, null
+  br i1 %t301, label %panic5236, label %ok5237
+panic5236:
+  call void @finch_panic(ptr @.str.3323, i64 2550, ptr @.str.3324)
   unreachable
-inrange4969:
-  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
-  %t293 = getelementptr inbounds %S.ast.Node, ptr %t292, i64 1
-  %t294 = load %S.ast.Node, ptr %t293
-  call void @finch.gen.block(ptr %t287, %S.ast.Node %t294, i1 true)
-  %t295 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t295)
-  %t296 = load ptr, ptr %a1
-  %t297 = icmp eq ptr %t296, null
-  br i1 %t297, label %panic4970, label %ok4971
-panic4970:
-  call void @finch_panic(ptr @.str.3213, i64 2371, ptr @.str.3214)
-  unreachable
-ok4971:
-  %t298 = getelementptr inbounds %S.gen.Gen, ptr %t296, i32 0, i32 11
-  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i32 0, i32 1
-  %t300 = load i64, ptr %t299
-  %t301 = icmp eq i64 %t300, 0
-  br i1 %t301, label %panic4972, label %ok4973
-panic4972:
-  call void @finch_panic(ptr @.str.3215, i64 2371, ptr @.str.3216)
-  unreachable
-ok4973:
-  %t302 = sub i64 %t300, 1
-  %t303 = load ptr, ptr %t298
-  %t304 = getelementptr inbounds %S.gen.Loop, ptr %t303, i64 %t302
-  %t305 = load %S.gen.Loop, ptr %t304
-  store i64 %t302, ptr %t299
-  %t306 = load ptr, ptr %a1
-  %t307 = load { ptr, i64, i64 }, ptr %a141
-  call void @finch.gen.br(ptr %t306, { ptr, i64, i64 } %t307)
-  %t308 = load ptr, ptr %a1
-  %t309 = load { ptr, i64, i64 }, ptr %a141
-  call void @finch.gen.label(ptr %t308, { ptr, i64, i64 } %t309)
+ok5237:
+  %t302 = getelementptr inbounds %S.gen.Gen, ptr %t300, i32 0, i32 11
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t302, i32 0, i32 1
+  %t304 = load i64, ptr %t303
+  %t305 = insertvalue %S.gen.Loop %t299, i64 %t304, 3
+  %t306 = load i64, ptr %t283
+  %t307 = add i64 %t306, 1
+  call void @finch_arr_reserve(ptr %t282, i64 %t307, i64 ptrtoint (ptr getelementptr (%S.gen.Loop, ptr null, i32 1) to i64))
+  %t308 = load ptr, ptr %t282
+  %t309 = getelementptr inbounds %S.gen.Loop, ptr %t308, i64 %t306
+  store %S.gen.Loop %t305, ptr %t309
+  store i64 %t307, ptr %t283
   %t310 = load ptr, ptr %a1
-  %t311 = load { ptr, i64, i64 }, ptr %a130
-  %t312 = call { ptr, i64, i64 } @finch.gen.load(ptr %t310, { ptr, i64, i64 } { ptr @.str.3217, i64 3, i64 0 }, { ptr, i64, i64 } %t311)
+  call void @finch.gen.pushScope(ptr %t310)
+  %t311 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t312 = load { ptr, i64, i64 }, ptr %t311
   store { ptr, i64, i64 } %t312, ptr %a313
-  %t314 = load ptr, ptr %a1
-  %t315 = load ptr, ptr %a1
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  store { ptr, i64, i64 } { ptr @.str.3219, i64 8, i64 0 }, ptr %a318
-  store { ptr, i64, i64 } %t316, ptr %a319
-  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
-  %t320 = load { ptr, i64, i64 }, ptr %a317
-  store { ptr, i64, i64 } %t320, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.3220, i64 3, i64 0 }, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  %t325 = call { ptr, i64, i64 } @finch.gen.op(ptr %t315, { ptr, i64, i64 } %t324)
-  %t326 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.store(ptr %t314, { ptr, i64, i64 } { ptr @.str.3218, i64 3, i64 0 }, { ptr, i64, i64 } %t325, { ptr, i64, i64 } %t326)
-  %t327 = load ptr, ptr %a1
-  %t328 = load { ptr, i64, i64 }, ptr %a135
-  call void @finch.gen.br(ptr %t327, { ptr, i64, i64 } %t328)
-  %t329 = load ptr, ptr %a1
-  %t330 = load { ptr, i64, i64 }, ptr %a144
-  call void @finch.gen.label(ptr %t329, { ptr, i64, i64 } %t330)
-  %t331 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t331)
+  call void @finch_str_copy(ptr %a314, ptr %a313)
+  %t315 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t315, ptr %a316
+  %t317 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t317, i32 0, i32 1
+  %t319 = load i64, ptr %t318
+  %t320 = icmp sgt i64 %t319, 0
+  br i1 %t320, label %then5238, label %endif5240
+then5238:
+  %t321 = load ptr, ptr %a1
+  %t322 = load %S.ast.Node, ptr %a2
+  %t323 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t324 = load { ptr, i64, i64 }, ptr %t323
+  %t325 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3325, i64 3, i64 0 })
+  %t326 = load { ptr, i64, i64 }, ptr %a200
+  %t327 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t321, %S.ast.Node %t322, { ptr, i64, i64 } %t324, %S.ast.Type %t325, { ptr, i64, i64 } %t326, i1 true, i1 false)
+  store %S.ast.Type %t325, ptr %a328
+  call void @finch.drop.S_ast_Type(ptr %a328)
+  store { ptr, i64, i64 } %t327, ptr %a329
+  call void @finch_str_drop(ptr %a329)
+  %t330 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
+  %t331 = load { ptr, i64, i64 }, ptr %t330
+  store { ptr, i64, i64 } %t331, ptr %a332
+  call void @finch_str_copy(ptr %a333, ptr %a332)
+  %t334 = load { ptr, i64, i64 }, ptr %a333
+  %t335 = load { ptr, i64, i64 }, ptr %a316
+  store { ptr, i64, i64 } %t334, ptr %a316
+  store { ptr, i64, i64 } %t335, ptr %a336
+  call void @finch_str_drop(ptr %a336)
+  br label %endif5240
+endif5240:
+  %t337 = load ptr, ptr %a1
+  %t338 = load %S.ast.Node, ptr %a2
+  %t339 = load { ptr, i64, i64 }, ptr %a316
+  %t340 = load %S.ast.Type, ptr %a114
+  %t341 = load { ptr, i64, i64 }, ptr %a272
+  %t342 = load i1, ptr %a158
+  %t343 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t337, %S.ast.Node %t338, { ptr, i64, i64 } %t339, %S.ast.Type %t340, { ptr, i64, i64 } %t341, i1 true, i1 %t342)
+  store { ptr, i64, i64 } %t343, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load ptr, ptr %a1
+  %t346 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t347 = load { ptr, i64, i64 }, ptr %t346
+  %t348 = extractvalue { ptr, i64, i64 } %t347, 1
+  %t349 = icmp uge i64 1, %t348
+  br i1 %t349, label %range5241, label %inrange5242
+range5241:
+  call void @finch_panic_index(ptr @.str.3326, i64 2558, i64 1, i64 %t348)
+  unreachable
+inrange5242:
+  %t350 = extractvalue { ptr, i64, i64 } %t347, 0
+  %t351 = getelementptr inbounds %S.ast.Node, ptr %t350, i64 1
+  %t352 = load %S.ast.Node, ptr %t351
+  call void @finch.gen.block(ptr %t345, %S.ast.Node %t352, i1 true)
+  %t353 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t353)
+  %t354 = load ptr, ptr %a1
+  %t355 = icmp eq ptr %t354, null
+  br i1 %t355, label %panic5243, label %ok5244
+panic5243:
+  call void @finch_panic(ptr @.str.3327, i64 2560, ptr @.str.3328)
+  unreachable
+ok5244:
+  %t356 = getelementptr inbounds %S.gen.Gen, ptr %t354, i32 0, i32 12
+  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
+  %t358 = load i64, ptr %t357
+  %t359 = icmp eq i64 %t358, 0
+  br i1 %t359, label %panic5245, label %ok5246
+panic5245:
+  call void @finch_panic(ptr @.str.3329, i64 2560, ptr @.str.3330)
+  unreachable
+ok5246:
+  %t360 = sub i64 %t358, 1
+  %t361 = load ptr, ptr %t356
+  %t362 = getelementptr inbounds %S.gen.Loop, ptr %t361, i64 %t360
+  %t363 = load %S.gen.Loop, ptr %t362
+  store i64 %t360, ptr %t357
+  store %S.gen.Loop %t363, ptr %a364
+  call void @finch.drop.S_gen_Loop(ptr %a364)
+  %t365 = load ptr, ptr %a1
+  %t366 = load { ptr, i64, i64 }, ptr %a172
+  call void @finch.gen.br(ptr %t365, { ptr, i64, i64 } %t366)
+  %t367 = load ptr, ptr %a1
+  %t368 = load { ptr, i64, i64 }, ptr %a172
+  call void @finch.gen.label(ptr %t367, { ptr, i64, i64 } %t368)
+  %t369 = load ptr, ptr %a1
+  %t370 = load { ptr, i64, i64 }, ptr %a161
+  %t371 = call { ptr, i64, i64 } @finch.gen.load(ptr %t369, { ptr, i64, i64 } { ptr @.str.3331, i64 3, i64 0 }, { ptr, i64, i64 } %t370)
+  store { ptr, i64, i64 } %t371, ptr %a372
+  %t373 = load ptr, ptr %a1
+  %t374 = load ptr, ptr %a1
+  %t375 = load { ptr, i64, i64 }, ptr %a372
+  store { ptr, i64, i64 } { ptr @.str.3333, i64 8, i64 0 }, ptr %a377
+  store { ptr, i64, i64 } %t375, ptr %a378
+  call void @finch_str_concat(ptr %a376, ptr %a377, ptr %a378)
+  %t379 = load { ptr, i64, i64 }, ptr %a376
+  store { ptr, i64, i64 } %t379, ptr %a381
+  store { ptr, i64, i64 } { ptr @.str.3334, i64 3, i64 0 }, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  store { ptr, i64, i64 } %t379, ptr %a383
+  call void @finch_str_drop(ptr %a383)
+  %t384 = load { ptr, i64, i64 }, ptr %a380
+  %t385 = call { ptr, i64, i64 } @finch.gen.op(ptr %t374, { ptr, i64, i64 } %t384)
+  store { ptr, i64, i64 } %t384, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  %t387 = load { ptr, i64, i64 }, ptr %a161
+  call void @finch.gen.store(ptr %t373, { ptr, i64, i64 } { ptr @.str.3332, i64 3, i64 0 }, { ptr, i64, i64 } %t385, { ptr, i64, i64 } %t387)
+  store { ptr, i64, i64 } %t385, ptr %a388
+  call void @finch_str_drop(ptr %a388)
+  %t389 = load ptr, ptr %a1
+  %t390 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.br(ptr %t389, { ptr, i64, i64 } %t390)
+  %t391 = load ptr, ptr %a1
+  %t392 = load { ptr, i64, i64 }, ptr %a175
+  call void @finch.gen.label(ptr %t391, { ptr, i64, i64 } %t392)
+  %t393 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t393)
+  call void @finch_str_drop(ptr %a372)
+  call void @finch_str_drop(ptr %a316)
+  call void @finch_str_drop(ptr %a272)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch_str_drop(ptr %a230)
+  call void @finch_str_drop(ptr %a220)
+  call void @finch_str_drop(ptr %a200)
+  call void @finch_str_drop(ptr %a196)
+  call void @finch_str_drop(ptr %a175)
+  call void @finch_str_drop(ptr %a172)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a166)
+  call void @finch_str_drop(ptr %a161)
+  call void @finch.drop.S_ast_Type(ptr %a114)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  call void @finch_str_drop(ptr %a14)
+  call void @finch.drop.S_gen_Ref(ptr %a13)
   ret void
 }
 
@@ -45437,208 +53190,195 @@ entry:
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca %S.gen.Val, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca %S.gen.Val, align 16
+  %a131 = alloca %S.ast.Type, align 16
+  %a132 = alloca %S.gen.Val, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
   %a253 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca %S.gen.Val, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca i1, align 16
-  %a309 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca i64, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca i64, align 16
+  %a329 = alloca i64, align 16
+  %a342 = alloca i64, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca { ptr, i64, i64 }, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a389 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a395 = alloca { ptr, i64, i64 }, align 16
-  %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a403 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a419 = alloca { ptr, i64, i64 }, align 16
-  %a420 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca %S.gen.Var, align 16
+  %a421 = alloca %S.gen.Var, align 16
+  %a423 = alloca %S.gen.Var, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca %S.gen.Val, align 16
+  %a512 = alloca %S.gen.Val, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic4974, label %ok4975
-panic4974:
-  call void @finch_panic(ptr @.str.3221, i64 2382, ptr @.str.3222)
+  br i1 %t4, label %panic5247, label %ok5248
+panic5247:
+  call void @finch_panic(ptr @.str.3335, i64 2571, ptr @.str.3336)
   unreachable
-ok4975:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 44
+ok5248:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 45
   %t6 = load i64, ptr %t5
   %t7 = icmp sgt i64 %t6, 0
-  br i1 %t7, label %then4976, label %endif4978
-then4976:
+  br i1 %t7, label %then5249, label %endif5251
+then5249:
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3223, i64 33, i64 0 })
-  br label %endif4978
-endif4978:
+  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3337, i64 33, i64 0 })
+  br label %endif5251
+endif5251:
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = icmp sgt i64 %t12, 0
-  br label %logic.from4979
-logic.from4979:
-  br i1 %t13, label %logic.rhs4980, label %logic.end4981
-logic.rhs4980:
+  br label %logic.from5252
+logic.from5252:
+  br i1 %t13, label %logic.rhs5253, label %logic.end5254
+logic.rhs5253:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t15 = load { ptr, i64, i64 }, ptr %t14
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 0, %t16
-  br i1 %t17, label %range4982, label %inrange4983
-range4982:
-  call void @finch_panic_index(ptr @.str.3224, i64 2386, i64 0, i64 %t16)
+  br i1 %t17, label %range5255, label %inrange5256
+range5255:
+  call void @finch_panic_index(ptr @.str.3338, i64 2575, i64 0, i64 %t16)
   unreachable
-inrange4983:
+inrange5256:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.ast.Node, ptr %t18, i64 0
   %t20 = getelementptr inbounds %S.ast.Node, ptr %t19, i32 0, i32 0
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.3225, i64 4, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3339, i64 4, i64 0 }, ptr %a23
   %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
   %t25 = icmp ne i32 %t24, 0
-  br label %logic.rend4984
-logic.rend4984:
-  br label %logic.end4981
-logic.end4981:
-  %t26 = phi i1 [ false, %logic.from4979 ], [ %t25, %logic.rend4984 ]
-  br label %logic.from4985
-logic.from4985:
-  br i1 %t26, label %logic.rhs4986, label %logic.end4987
-logic.rhs4986:
+  br label %logic.rend5257
+logic.rend5257:
+  br label %logic.end5254
+logic.end5254:
+  %t26 = phi i1 [ false, %logic.from5252 ], [ %t25, %logic.rend5257 ]
+  br label %logic.from5258
+logic.from5258:
+  br i1 %t26, label %logic.rhs5259, label %logic.end5260
+logic.rhs5259:
   %t27 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t28 = load { ptr, i64, i64 }, ptr %t27
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 0, %t29
-  br i1 %t30, label %range4988, label %inrange4989
-range4988:
-  call void @finch_panic_index(ptr @.str.3226, i64 2386, i64 0, i64 %t29)
+  br i1 %t30, label %range5261, label %inrange5262
+range5261:
+  call void @finch_panic_index(ptr @.str.3340, i64 2575, i64 0, i64 %t29)
   unreachable
-inrange4989:
+inrange5262:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds %S.ast.Node, ptr %t31, i64 0
   %t33 = getelementptr inbounds %S.ast.Node, ptr %t32, i32 0, i32 1
   %t34 = load { ptr, i64, i64 }, ptr %t33
   store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.3227, i64 5, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.3341, i64 5, i64 0 }, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.rend4990
-logic.rend4990:
-  br label %logic.end4987
-logic.end4987:
-  %t39 = phi i1 [ false, %logic.from4985 ], [ %t38, %logic.rend4990 ]
-  br i1 %t39, label %then4991, label %endif4993
-then4991:
+  br label %logic.rend5263
+logic.rend5263:
+  br label %logic.end5260
+logic.end5260:
+  %t39 = phi i1 [ false, %logic.from5258 ], [ %t38, %logic.rend5263 ]
+  br i1 %t39, label %then5264, label %endif5266
+then5264:
   %t40 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = extractvalue { ptr, i64, i64 } %t41, 1
   %t43 = icmp uge i64 0, %t42
-  br i1 %t43, label %range4994, label %inrange4995
-range4994:
-  call void @finch_panic_index(ptr @.str.3228, i64 2387, i64 0, i64 %t42)
+  br i1 %t43, label %range5267, label %inrange5268
+range5267:
+  call void @finch_panic_index(ptr @.str.3342, i64 2576, i64 0, i64 %t42)
   unreachable
-inrange4995:
+inrange5268:
   %t44 = extractvalue { ptr, i64, i64 } %t41, 0
   %t45 = getelementptr inbounds %S.ast.Node, ptr %t44, i64 0
   %t46 = load %S.ast.Node, ptr %t45
@@ -45648,623 +53388,1125 @@ inrange4995:
   store %S.ast.Node %t49, ptr %a50
   %t51 = load ptr, ptr %a1
   %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic4996, label %ok4997
-panic4996:
-  call void @finch_panic(ptr @.str.3229, i64 2388, ptr @.str.3230)
+  br i1 %t52, label %panic5269, label %ok5270
+panic5269:
+  call void @finch_panic(ptr @.str.3343, i64 2577, ptr @.str.3344)
   unreachable
-ok4997:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 12
+ok5270:
+  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 13
   %t54 = getelementptr inbounds %S.gen.FnSig, ptr %t53, i32 0, i32 9
   %t55 = load i1, ptr %t54
   %t56 = xor i1 %t55, true
-  br i1 %t56, label %then4998, label %endif5000
-then4998:
-  store { ptr, i64, i64 } { ptr @.str.3231, i64 1, i64 0 }, ptr %a57
+  br i1 %t56, label %then5271, label %endif5273
+then5271:
+  store { ptr, i64, i64 } { ptr @.str.3345, i64 1, i64 0 }, ptr %a57
   %t58 = load ptr, ptr %a1
   %t59 = icmp eq ptr %t58, null
-  br i1 %t59, label %panic5001, label %ok5002
-panic5001:
-  call void @finch_panic(ptr @.str.3232, i64 2390, ptr @.str.3233)
+  br i1 %t59, label %panic5274, label %ok5275
+panic5274:
+  call void @finch_panic(ptr @.str.3346, i64 2579, ptr @.str.3347)
   unreachable
-ok5002:
-  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 12
+ok5275:
+  %t60 = getelementptr inbounds %S.gen.Gen, ptr %t58, i32 0, i32 13
   %t61 = getelementptr inbounds %S.gen.FnSig, ptr %t60, i32 0, i32 12
   %t62 = getelementptr inbounds %S.ast.Type, ptr %t61, i32 0, i32 0
   %t63 = load { ptr, i64, i64 }, ptr %t62
   store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.3234, i64 4, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.3348, i64 4, i64 0 }, ptr %a65
   %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
   %t67 = icmp eq i32 %t66, 0
-  br i1 %t67, label %then5003, label %endif5005
-then5003:
+  br i1 %t67, label %then5276, label %endif5278
+then5276:
   %t68 = load ptr, ptr %a1
   %t69 = icmp eq ptr %t68, null
-  br i1 %t69, label %panic5006, label %ok5007
-panic5006:
-  call void @finch_panic(ptr @.str.3235, i64 2391, ptr @.str.3236)
+  br i1 %t69, label %panic5279, label %ok5280
+panic5279:
+  call void @finch_panic(ptr @.str.3349, i64 2580, ptr @.str.3350)
   unreachable
-ok5007:
-  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 12
+ok5280:
+  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 13
   %t71 = getelementptr inbounds %S.gen.FnSig, ptr %t70, i32 0, i32 12
   %t72 = load %S.ast.Type, ptr %t71
   %t73 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t72)
   store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.3237, i64 1, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.3351, i64 1, i64 0 }, ptr %a76
   call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a57
-  br label %endif5005
-endif5005:
-  %t78 = load ptr, ptr %a1
-  %t79 = load %S.ast.Node, ptr %a50
-  %t80 = load ptr, ptr %a1
-  %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic5008, label %ok5009
-panic5008:
-  call void @finch_panic(ptr @.str.3239, i64 2393, ptr @.str.3240)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t78, ptr %a57
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif5278
+endif5278:
+  %t81 = load ptr, ptr %a1
+  %t82 = load %S.ast.Node, ptr %a50
+  %t83 = load ptr, ptr %a1
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic5281, label %ok5282
+panic5281:
+  call void @finch_panic(ptr @.str.3353, i64 2582, ptr @.str.3354)
   unreachable
-ok5009:
-  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 12
-  %t83 = getelementptr inbounds %S.gen.FnSig, ptr %t82, i32 0, i32 1
-  %t84 = load { ptr, i64, i64 }, ptr %t83
-  store { ptr, i64, i64 } { ptr @.str.3238, i64 1, i64 0 }, ptr %a86
-  store { ptr, i64, i64 } %t84, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.3241, i64 64, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = load { ptr, i64, i64 }, ptr %a57
-  store { ptr, i64, i64 } %t92, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.3242, i64 1, i64 0 }, ptr %a100
+ok5282:
+  %t85 = getelementptr inbounds %S.gen.Gen, ptr %t83, i32 0, i32 13
+  %t86 = getelementptr inbounds %S.gen.FnSig, ptr %t85, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  store { ptr, i64, i64 } { ptr @.str.3352, i64 1, i64 0 }, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.3355, i64 64, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  %t97 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t96, ptr %a99
+  store { ptr, i64, i64 } %t97, ptr %a100
   call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  call void @finch.gen.fail(ptr %t78, %S.ast.Node %t79, { ptr, i64, i64 } %t101)
-  br label %endif5000
-endif5000:
-  %t102 = load ptr, ptr %a1
-  %t103 = load %S.ast.Node, ptr %a50
-  call void @finch.gen.checkArgs(ptr %t102, %S.ast.Node %t103, i64 0, i64 1, { ptr, i64, i64 } { ptr @.str.3243, i64 5, i64 0 })
-  %t104 = load ptr, ptr %a1
-  %t105 = load ptr, ptr %a1
-  %t106 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
-  %t107 = load { ptr, i64, i64 }, ptr %t106
-  %t108 = extractvalue { ptr, i64, i64 } %t107, 1
-  %t109 = icmp uge i64 0, %t108
-  br i1 %t109, label %range5010, label %inrange5011
-range5010:
-  call void @finch_panic_index(ptr @.str.3244, i64 2396, i64 0, i64 %t108)
+  store { ptr, i64, i64 } %t96, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t102, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.3356, i64 1, i64 0 }, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t102, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch.gen.fail(ptr %t81, %S.ast.Node %t82, { ptr, i64, i64 } %t107)
+  store { ptr, i64, i64 } %t107, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a57)
+  br label %endif5273
+endif5273:
+  %t109 = load ptr, ptr %a1
+  %t110 = load %S.ast.Node, ptr %a50
+  call void @finch.gen.checkArgs(ptr %t109, %S.ast.Node %t110, i64 0, i64 1, { ptr, i64, i64 } { ptr @.str.3357, i64 5, i64 0 })
+  %t111 = load ptr, ptr %a1
+  %t112 = load ptr, ptr %a1
+  %t113 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
+  %t116 = icmp uge i64 0, %t115
+  br i1 %t116, label %range5283, label %inrange5284
+range5283:
+  call void @finch_panic_index(ptr @.str.3358, i64 2585, i64 0, i64 %t115)
   unreachable
-inrange5011:
-  %t110 = extractvalue { ptr, i64, i64 } %t107, 0
-  %t111 = getelementptr inbounds %S.ast.Node, ptr %t110, i64 0
-  %t112 = load %S.ast.Node, ptr %t111
-  %t113 = call %S.gen.Val @finch.gen.expr(ptr %t105, %S.ast.Node %t112)
-  %t114 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3245, i64 3, i64 0 })
-  %t115 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
-  %t118 = icmp uge i64 0, %t117
-  br i1 %t118, label %range5012, label %inrange5013
-range5012:
-  call void @finch_panic_index(ptr @.str.3246, i64 2396, i64 0, i64 %t117)
+inrange5284:
+  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
+  %t118 = getelementptr inbounds %S.ast.Node, ptr %t117, i64 0
+  %t119 = load %S.ast.Node, ptr %t118
+  %t120 = call %S.gen.Val @finch.gen.expr(ptr %t112, %S.ast.Node %t119)
+  %t121 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3359, i64 3, i64 0 })
+  %t122 = getelementptr inbounds %S.ast.Node, ptr %a50, i32 0, i32 9
+  %t123 = load { ptr, i64, i64 }, ptr %t122
+  %t124 = extractvalue { ptr, i64, i64 } %t123, 1
+  %t125 = icmp uge i64 0, %t124
+  br i1 %t125, label %range5285, label %inrange5286
+range5285:
+  call void @finch_panic_index(ptr @.str.3360, i64 2585, i64 0, i64 %t124)
   unreachable
-inrange5013:
-  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
-  %t120 = getelementptr inbounds %S.ast.Node, ptr %t119, i64 0
-  %t121 = load %S.ast.Node, ptr %t120
-  %t122 = call %S.gen.Val @finch.gen.coerce(ptr %t104, %S.gen.Val %t113, %S.ast.Type %t114, %S.ast.Node %t121, { ptr, i64, i64 } { ptr @.str.3247, i64 17, i64 0 })
-  store %S.gen.Val %t122, ptr %a123
-  %t124 = load ptr, ptr %a1
-  %t125 = load %S.gen.Val, ptr %a123
-  %t126 = call { ptr, i64, i64 } @finch.gen.own(ptr %t124, %S.gen.Val %t125)
-  store { ptr, i64, i64 } %t126, ptr %a127
-  %t128 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t128, i64 0)
-  %t129 = load ptr, ptr %a1
-  %t130 = load ptr, ptr %a1
-  %t131 = load ptr, ptr %a1
-  %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic5014, label %ok5015
-panic5014:
-  call void @finch_panic(ptr @.str.3249, i64 2399, ptr @.str.3250)
+inrange5286:
+  %t126 = extractvalue { ptr, i64, i64 } %t123, 0
+  %t127 = getelementptr inbounds %S.ast.Node, ptr %t126, i64 0
+  %t128 = load %S.ast.Node, ptr %t127
+  %t129 = call %S.gen.Val @finch.gen.coerce(ptr %t111, %S.gen.Val %t120, %S.ast.Type %t121, %S.ast.Node %t128, { ptr, i64, i64 } { ptr @.str.3361, i64 17, i64 0 })
+  store %S.gen.Val %t120, ptr %a130
+  call void @finch.drop.S_gen_Val(ptr %a130)
+  store %S.ast.Type %t121, ptr %a131
+  call void @finch.drop.S_ast_Type(ptr %a131)
+  store %S.gen.Val %t129, ptr %a132
+  %t133 = load ptr, ptr %a1
+  %t134 = load %S.gen.Val, ptr %a132
+  %t135 = call { ptr, i64, i64 } @finch.gen.own(ptr %t133, %S.gen.Val %t134)
+  store { ptr, i64, i64 } %t135, ptr %a136
+  %t137 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t137, i64 0)
+  %t138 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t138, i64 0)
+  %t139 = load ptr, ptr %a1
+  %t140 = load ptr, ptr %a1
+  %t141 = load ptr, ptr %a1
+  %t142 = icmp eq ptr %t141, null
+  br i1 %t142, label %panic5287, label %ok5288
+panic5287:
+  call void @finch_panic(ptr @.str.3363, i64 2589, ptr @.str.3364)
   unreachable
-ok5015:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 12
-  %t134 = load %S.gen.FnSig, ptr %t133
-  %t135 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t130, %S.gen.FnSig %t134)
-  store { ptr, i64, i64 } { ptr @.str.3248, i64 4, i64 0 }, ptr %a137
-  store { ptr, i64, i64 } %t135, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  store { ptr, i64, i64 } %t139, ptr %a141
-  store { ptr, i64, i64 } { ptr @.str.3251, i64 1, i64 0 }, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  %t144 = load ptr, ptr %a1
-  %t145 = load ptr, ptr %a1
-  %t146 = load ptr, ptr %a1
-  %t147 = icmp eq ptr %t146, null
-  br i1 %t147, label %panic5016, label %ok5017
-panic5016:
-  call void @finch_panic(ptr @.str.3253, i64 2399, ptr @.str.3254)
-  unreachable
-ok5017:
-  %t148 = getelementptr inbounds %S.gen.Gen, ptr %t146, i32 0, i32 12
-  %t149 = load %S.gen.FnSig, ptr %t148
-  %t150 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t145, %S.gen.FnSig %t149)
-  store { ptr, i64, i64 } { ptr @.str.3252, i64 12, i64 0 }, ptr %a152
-  store { ptr, i64, i64 } %t150, ptr %a153
+ok5288:
+  %t143 = getelementptr inbounds %S.gen.Gen, ptr %t141, i32 0, i32 13
+  %t144 = load %S.gen.FnSig, ptr %t143
+  %t145 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t140, %S.gen.FnSig %t144)
+  store { ptr, i64, i64 } { ptr @.str.3362, i64 4, i64 0 }, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  store { ptr, i64, i64 } %t145, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t150, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.3365, i64 1, i64 0 }, ptr %a153
   call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
-  %t154 = load { ptr, i64, i64 }, ptr %a151
-  store { ptr, i64, i64 } %t154, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.3255, i64 36, i64 0 }, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  %t159 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t158, ptr %a161
-  store { ptr, i64, i64 } %t159, ptr %a162
-  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
-  %t163 = load { ptr, i64, i64 }, ptr %a160
-  store { ptr, i64, i64 } %t163, ptr %a165
-  store { ptr, i64, i64 } { ptr @.str.3256, i64 3, i64 0 }, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  %t168 = call { ptr, i64, i64 } @finch.gen.op(ptr %t144, { ptr, i64, i64 } %t167)
-  store { ptr, i64, i64 } %t143, ptr %a170
-  store { ptr, i64, i64 } %t168, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  call void @finch.gen.emit(ptr %t129, { ptr, i64, i64 } %t172)
-  %t173 = load ptr, ptr %a1
-  %t174 = icmp eq ptr %t173, null
-  br i1 %t174, label %panic5018, label %ok5019
-panic5018:
-  call void @finch_panic(ptr @.str.3257, i64 2400, ptr @.str.3258)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  %t156 = load ptr, ptr %a1
+  %t157 = load ptr, ptr %a1
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic5289, label %ok5290
+panic5289:
+  call void @finch_panic(ptr @.str.3367, i64 2589, ptr @.str.3368)
   unreachable
-ok5019:
-  %t175 = getelementptr inbounds %S.gen.Gen, ptr %t173, i32 0, i32 9
-  store i1 true, ptr %t175
+ok5290:
+  %t160 = getelementptr inbounds %S.gen.Gen, ptr %t158, i32 0, i32 13
+  %t161 = load %S.gen.FnSig, ptr %t160
+  %t162 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t157, %S.gen.FnSig %t161)
+  store { ptr, i64, i64 } { ptr @.str.3366, i64 12, i64 0 }, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t162, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t167, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.3369, i64 36, i64 0 }, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t167, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  %t172 = load { ptr, i64, i64 }, ptr %a168
+  %t173 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t172, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t172, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.3370, i64 3, i64 0 }, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t178, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t156, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  store { ptr, i64, i64 } %t155, ptr %a187
+  store { ptr, i64, i64 } %t184, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t155, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  store { ptr, i64, i64 } %t184, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a186
+  call void @finch.gen.emit(ptr %t139, { ptr, i64, i64 } %t191)
+  store { ptr, i64, i64 } %t191, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load ptr, ptr %a1
+  %t194 = icmp eq ptr %t193, null
+  br i1 %t194, label %panic5291, label %ok5292
+panic5291:
+  call void @finch_panic(ptr @.str.3371, i64 2590, ptr @.str.3372)
+  unreachable
+ok5292:
+  %t195 = getelementptr inbounds %S.gen.Gen, ptr %t193, i32 0, i32 9
+  store i1 true, ptr %t195
+  call void @finch_str_drop(ptr %a136)
+  call void @finch.drop.S_gen_Val(ptr %a132)
+  call void @finch.drop.S_ast_Node(ptr %a50)
   ret void
-endif4993:
-  %t176 = load ptr, ptr %a1
-  %t177 = icmp eq ptr %t176, null
-  br i1 %t177, label %panic5020, label %ok5021
-panic5020:
-  call void @finch_panic(ptr @.str.3259, i64 2403, ptr @.str.3260)
+endif5266:
+  %t196 = load ptr, ptr %a1
+  %t197 = icmp eq ptr %t196, null
+  br i1 %t197, label %panic5293, label %ok5294
+panic5293:
+  call void @finch_panic(ptr @.str.3373, i64 2593, ptr @.str.3374)
   unreachable
-ok5021:
-  %t178 = getelementptr inbounds %S.gen.Gen, ptr %t176, i32 0, i32 12
-  %t179 = getelementptr inbounds %S.gen.FnSig, ptr %t178, i32 0, i32 12
-  %t180 = getelementptr inbounds %S.ast.Type, ptr %t179, i32 0, i32 0
-  %t181 = load { ptr, i64, i64 }, ptr %t180
-  store { ptr, i64, i64 } %t181, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.3261, i64 4, i64 0 }, ptr %a183
-  %t184 = call i32 @finch_str_eq(ptr %a182, ptr %a183)
-  %t185 = icmp ne i32 %t184, 0
-  br i1 %t185, label %then5022, label %endif5024
-then5022:
-  %t186 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t186, i32 0, i32 1
-  %t188 = load i64, ptr %t187
-  %t189 = icmp sgt i64 %t188, 0
-  br i1 %t189, label %then5025, label %endif5027
-then5025:
-  %t190 = load ptr, ptr %a1
-  %t191 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t192 = load { ptr, i64, i64 }, ptr %t191
-  %t193 = extractvalue { ptr, i64, i64 } %t192, 1
-  %t194 = icmp uge i64 0, %t193
-  br i1 %t194, label %range5028, label %inrange5029
-range5028:
-  call void @finch_panic_index(ptr @.str.3262, i64 2405, i64 0, i64 %t193)
+ok5294:
+  %t198 = getelementptr inbounds %S.gen.Gen, ptr %t196, i32 0, i32 13
+  %t199 = getelementptr inbounds %S.gen.FnSig, ptr %t198, i32 0, i32 12
+  %t200 = getelementptr inbounds %S.ast.Type, ptr %t199, i32 0, i32 0
+  %t201 = load { ptr, i64, i64 }, ptr %t200
+  store { ptr, i64, i64 } %t201, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.3375, i64 4, i64 0 }, ptr %a203
+  %t204 = call i32 @finch_str_eq(ptr %a202, ptr %a203)
+  %t205 = icmp ne i32 %t204, 0
+  br i1 %t205, label %then5295, label %endif5297
+then5295:
+  %t206 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
+  %t208 = load i64, ptr %t207
+  %t209 = icmp sgt i64 %t208, 0
+  br i1 %t209, label %then5298, label %endif5300
+then5298:
+  %t210 = load ptr, ptr %a1
+  %t211 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t212 = load { ptr, i64, i64 }, ptr %t211
+  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
+  %t214 = icmp uge i64 0, %t213
+  br i1 %t214, label %range5301, label %inrange5302
+range5301:
+  call void @finch_panic_index(ptr @.str.3376, i64 2595, i64 0, i64 %t213)
   unreachable
-inrange5029:
-  %t195 = extractvalue { ptr, i64, i64 } %t192, 0
-  %t196 = getelementptr inbounds %S.ast.Node, ptr %t195, i64 0
-  %t197 = load %S.ast.Node, ptr %t196
-  %t198 = load ptr, ptr %a1
-  %t199 = icmp eq ptr %t198, null
-  br i1 %t199, label %panic5030, label %ok5031
-panic5030:
-  call void @finch_panic(ptr @.str.3264, i64 2405, ptr @.str.3265)
-  unreachable
-ok5031:
-  %t200 = getelementptr inbounds %S.gen.Gen, ptr %t198, i32 0, i32 12
-  %t201 = getelementptr inbounds %S.gen.FnSig, ptr %t200, i32 0, i32 1
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  store { ptr, i64, i64 } { ptr @.str.3263, i64 1, i64 0 }, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  store { ptr, i64, i64 } %t206, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.3266, i64 46, i64 0 }, ptr %a209
-  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
-  %t210 = load { ptr, i64, i64 }, ptr %a207
-  call void @finch.gen.fail(ptr %t190, %S.ast.Node %t197, { ptr, i64, i64 } %t210)
-  br label %endif5027
-endif5027:
-  %t211 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t211, i64 0)
-  %t212 = load ptr, ptr %a1
-  %t213 = icmp eq ptr %t212, null
-  br i1 %t213, label %panic5032, label %ok5033
-panic5032:
-  call void @finch_panic(ptr @.str.3267, i64 2408, ptr @.str.3268)
-  unreachable
-ok5033:
-  %t214 = getelementptr inbounds %S.gen.Gen, ptr %t212, i32 0, i32 12
-  %t215 = getelementptr inbounds %S.gen.FnSig, ptr %t214, i32 0, i32 9
-  %t216 = load i1, ptr %t215
-  br i1 %t216, label %then5034, label %else5035
-then5034:
-  %t217 = load ptr, ptr %a1
+inrange5302:
+  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
+  %t216 = getelementptr inbounds %S.ast.Node, ptr %t215, i64 0
+  %t217 = load %S.ast.Node, ptr %t216
   %t218 = load ptr, ptr %a1
-  %t219 = load ptr, ptr %a1
-  %t220 = icmp eq ptr %t219, null
-  br i1 %t220, label %panic5037, label %ok5038
-panic5037:
-  call void @finch_panic(ptr @.str.3270, i64 2409, ptr @.str.3271)
+  %t219 = icmp eq ptr %t218, null
+  br i1 %t219, label %panic5303, label %ok5304
+panic5303:
+  call void @finch_panic(ptr @.str.3378, i64 2595, ptr @.str.3379)
   unreachable
-ok5038:
-  %t221 = getelementptr inbounds %S.gen.Gen, ptr %t219, i32 0, i32 12
-  %t222 = load %S.gen.FnSig, ptr %t221
-  %t223 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t218, %S.gen.FnSig %t222)
-  store { ptr, i64, i64 } { ptr @.str.3269, i64 4, i64 0 }, ptr %a225
-  store { ptr, i64, i64 } %t223, ptr %a226
-  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t227, ptr %a229
-  store { ptr, i64, i64 } { ptr @.str.3272, i64 53, i64 0 }, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  call void @finch.gen.emit(ptr %t217, { ptr, i64, i64 } %t231)
-  br label %endif5036
-else5035:
-  %t232 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t232, { ptr, i64, i64 } { ptr @.str.3273, i64 8, i64 0 })
-  br label %endif5036
-endif5036:
+ok5304:
+  %t220 = getelementptr inbounds %S.gen.Gen, ptr %t218, i32 0, i32 13
+  %t221 = getelementptr inbounds %S.gen.FnSig, ptr %t220, i32 0, i32 1
+  %t222 = load { ptr, i64, i64 }, ptr %t221
+  store { ptr, i64, i64 } { ptr @.str.3377, i64 1, i64 0 }, ptr %a224
+  store { ptr, i64, i64 } %t222, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  %t226 = load { ptr, i64, i64 }, ptr %a223
+  store { ptr, i64, i64 } %t226, ptr %a228
+  store { ptr, i64, i64 } { ptr @.str.3380, i64 46, i64 0 }, ptr %a229
+  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
+  store { ptr, i64, i64 } %t226, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = load { ptr, i64, i64 }, ptr %a227
+  call void @finch.gen.fail(ptr %t210, %S.ast.Node %t217, { ptr, i64, i64 } %t231)
+  store { ptr, i64, i64 } %t231, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  br label %endif5300
+endif5300:
   %t233 = load ptr, ptr %a1
-  %t234 = icmp eq ptr %t233, null
-  br i1 %t234, label %panic5039, label %ok5040
-panic5039:
-  call void @finch_panic(ptr @.str.3274, i64 2413, ptr @.str.3275)
+  call void @finch.gen.dropPending(ptr %t233, i64 0)
+  %t234 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t234, i64 0)
+  %t235 = load ptr, ptr %a1
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic5305, label %ok5306
+panic5305:
+  call void @finch_panic(ptr @.str.3381, i64 2599, ptr @.str.3382)
   unreachable
-ok5040:
-  %t235 = getelementptr inbounds %S.gen.Gen, ptr %t233, i32 0, i32 9
-  store i1 true, ptr %t235
-  ret void
-endif5024:
-  %t236 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i32 0, i32 1
-  %t238 = load i64, ptr %t237
-  %t239 = icmp eq i64 %t238, 0
-  br i1 %t239, label %then5041, label %endif5043
-then5041:
+ok5306:
+  %t237 = getelementptr inbounds %S.gen.Gen, ptr %t235, i32 0, i32 13
+  %t238 = getelementptr inbounds %S.gen.FnSig, ptr %t237, i32 0, i32 9
+  %t239 = load i1, ptr %t238
+  br i1 %t239, label %then5307, label %else5308
+then5307:
   %t240 = load ptr, ptr %a1
-  %t241 = load %S.ast.Node, ptr %a2
+  %t241 = load ptr, ptr %a1
   %t242 = load ptr, ptr %a1
   %t243 = icmp eq ptr %t242, null
-  br i1 %t243, label %panic5044, label %ok5045
-panic5044:
-  call void @finch_panic(ptr @.str.3277, i64 2417, ptr @.str.3278)
+  br i1 %t243, label %panic5310, label %ok5311
+panic5310:
+  call void @finch_panic(ptr @.str.3384, i64 2600, ptr @.str.3385)
   unreachable
-ok5045:
-  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 12
-  %t245 = getelementptr inbounds %S.gen.FnSig, ptr %t244, i32 0, i32 1
-  %t246 = load { ptr, i64, i64 }, ptr %t245
-  store { ptr, i64, i64 } { ptr @.str.3276, i64 1, i64 0 }, ptr %a248
+ok5311:
+  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 13
+  %t245 = load %S.gen.FnSig, ptr %t244
+  %t246 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t241, %S.gen.FnSig %t245)
+  store { ptr, i64, i64 } { ptr @.str.3383, i64 4, i64 0 }, ptr %a248
   store { ptr, i64, i64 } %t246, ptr %a249
   call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
-  %t250 = load { ptr, i64, i64 }, ptr %a247
-  store { ptr, i64, i64 } %t250, ptr %a252
-  store { ptr, i64, i64 } { ptr @.str.3279, i64 14, i64 0 }, ptr %a253
-  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
-  %t254 = load { ptr, i64, i64 }, ptr %a251
-  %t255 = load ptr, ptr %a1
-  %t256 = icmp eq ptr %t255, null
-  br i1 %t256, label %panic5046, label %ok5047
-panic5046:
-  call void @finch_panic(ptr @.str.3280, i64 2417, ptr @.str.3281)
+  store { ptr, i64, i64 } %t246, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.3386, i64 53, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  call void @finch.gen.emit(ptr %t240, { ptr, i64, i64 } %t256)
+  store { ptr, i64, i64 } %t256, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  br label %endif5309
+else5308:
+  %t258 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t258, { ptr, i64, i64 } { ptr @.str.3387, i64 8, i64 0 })
+  br label %endif5309
+endif5309:
+  %t259 = load ptr, ptr %a1
+  %t260 = icmp eq ptr %t259, null
+  br i1 %t260, label %panic5312, label %ok5313
+panic5312:
+  call void @finch_panic(ptr @.str.3388, i64 2604, ptr @.str.3389)
   unreachable
-ok5047:
-  %t257 = getelementptr inbounds %S.gen.Gen, ptr %t255, i32 0, i32 12
-  %t258 = getelementptr inbounds %S.gen.FnSig, ptr %t257, i32 0, i32 12
-  %t259 = load %S.ast.Type, ptr %t258
-  %t260 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t259)
-  store { ptr, i64, i64 } %t254, ptr %a262
-  store { ptr, i64, i64 } %t260, ptr %a263
-  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
-  %t264 = load { ptr, i64, i64 }, ptr %a261
-  call void @finch.gen.fail(ptr %t240, %S.ast.Node %t241, { ptr, i64, i64 } %t264)
-  br label %endif5043
-endif5043:
-  %t265 = load ptr, ptr %a1
+ok5313:
+  %t261 = getelementptr inbounds %S.gen.Gen, ptr %t259, i32 0, i32 9
+  store i1 true, ptr %t261
+  ret void
+endif5297:
+  %t262 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i32 0, i32 1
+  %t264 = load i64, ptr %t263
+  %t265 = icmp eq i64 %t264, 0
+  br i1 %t265, label %then5314, label %endif5316
+then5314:
   %t266 = load ptr, ptr %a1
-  %t267 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
-  %t270 = icmp uge i64 0, %t269
-  br i1 %t270, label %range5048, label %inrange5049
-range5048:
-  call void @finch_panic_index(ptr @.str.3282, i64 2419, i64 0, i64 %t269)
+  %t267 = load %S.ast.Node, ptr %a2
+  %t268 = load ptr, ptr %a1
+  %t269 = icmp eq ptr %t268, null
+  br i1 %t269, label %panic5317, label %ok5318
+panic5317:
+  call void @finch_panic(ptr @.str.3391, i64 2608, ptr @.str.3392)
   unreachable
-inrange5049:
-  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
-  %t272 = getelementptr inbounds %S.ast.Node, ptr %t271, i64 0
-  %t273 = load %S.ast.Node, ptr %t272
-  %t274 = load ptr, ptr %a1
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic5050, label %ok5051
-panic5050:
-  call void @finch_panic(ptr @.str.3283, i64 2419, ptr @.str.3284)
+ok5318:
+  %t270 = getelementptr inbounds %S.gen.Gen, ptr %t268, i32 0, i32 13
+  %t271 = getelementptr inbounds %S.gen.FnSig, ptr %t270, i32 0, i32 1
+  %t272 = load { ptr, i64, i64 }, ptr %t271
+  store { ptr, i64, i64 } { ptr @.str.3390, i64 1, i64 0 }, ptr %a274
+  store { ptr, i64, i64 } %t272, ptr %a275
+  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a273
+  store { ptr, i64, i64 } %t276, ptr %a278
+  store { ptr, i64, i64 } { ptr @.str.3393, i64 14, i64 0 }, ptr %a279
+  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
+  store { ptr, i64, i64 } %t276, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  %t281 = load { ptr, i64, i64 }, ptr %a277
+  %t282 = load ptr, ptr %a1
+  %t283 = icmp eq ptr %t282, null
+  br i1 %t283, label %panic5319, label %ok5320
+panic5319:
+  call void @finch_panic(ptr @.str.3394, i64 2608, ptr @.str.3395)
   unreachable
-ok5051:
-  %t276 = getelementptr inbounds %S.gen.Gen, ptr %t274, i32 0, i32 12
-  %t277 = getelementptr inbounds %S.gen.FnSig, ptr %t276, i32 0, i32 12
-  %t278 = load %S.ast.Type, ptr %t277
-  %t279 = call %S.gen.Val @finch.gen.exprWant(ptr %t266, %S.ast.Node %t273, %S.ast.Type %t278)
-  %t280 = load ptr, ptr %a1
-  %t281 = icmp eq ptr %t280, null
-  br i1 %t281, label %panic5052, label %ok5053
-panic5052:
-  call void @finch_panic(ptr @.str.3285, i64 2419, ptr @.str.3286)
+ok5320:
+  %t284 = getelementptr inbounds %S.gen.Gen, ptr %t282, i32 0, i32 13
+  %t285 = getelementptr inbounds %S.gen.FnSig, ptr %t284, i32 0, i32 12
+  %t286 = load %S.ast.Type, ptr %t285
+  %t287 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t286)
+  store { ptr, i64, i64 } %t281, ptr %a289
+  store { ptr, i64, i64 } %t287, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  store { ptr, i64, i64 } %t281, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  store { ptr, i64, i64 } %t287, ptr %a292
+  call void @finch_str_drop(ptr %a292)
+  %t293 = load { ptr, i64, i64 }, ptr %a288
+  call void @finch.gen.fail(ptr %t266, %S.ast.Node %t267, { ptr, i64, i64 } %t293)
+  store { ptr, i64, i64 } %t293, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  br label %endif5316
+endif5316:
+  %t295 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t296 = load { ptr, i64, i64 }, ptr %t295
+  %t297 = extractvalue { ptr, i64, i64 } %t296, 1
+  %t298 = icmp uge i64 0, %t297
+  br i1 %t298, label %range5321, label %inrange5322
+range5321:
+  call void @finch_panic_index(ptr @.str.3396, i64 2611, i64 0, i64 %t297)
   unreachable
-ok5053:
-  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 12
-  %t283 = getelementptr inbounds %S.gen.FnSig, ptr %t282, i32 0, i32 12
-  %t284 = load %S.ast.Type, ptr %t283
-  %t285 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  %t287 = extractvalue { ptr, i64, i64 } %t286, 1
-  %t288 = icmp uge i64 0, %t287
-  br i1 %t288, label %range5054, label %inrange5055
-range5054:
-  call void @finch_panic_index(ptr @.str.3287, i64 2419, i64 0, i64 %t287)
-  unreachable
-inrange5055:
-  %t289 = extractvalue { ptr, i64, i64 } %t286, 0
-  %t290 = getelementptr inbounds %S.ast.Node, ptr %t289, i64 0
-  %t291 = load %S.ast.Node, ptr %t290
-  %t292 = call %S.gen.Val @finch.gen.coerce(ptr %t265, %S.gen.Val %t279, %S.ast.Type %t284, %S.ast.Node %t291, { ptr, i64, i64 } { ptr @.str.3288, i64 18, i64 0 })
-  store %S.gen.Val %t292, ptr %a293
-  %t294 = getelementptr inbounds %S.gen.Val, ptr %a293, i32 0, i32 0
-  %t295 = load { ptr, i64, i64 }, ptr %t294
-  store { ptr, i64, i64 } %t295, ptr %a296
-  call void @finch_str_copy(ptr %a297, ptr %a296)
-  %t298 = load { ptr, i64, i64 }, ptr %a297
-  store { ptr, i64, i64 } %t298, ptr %a299
-  store i1 false, ptr %a300
-  %t301 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+inrange5322:
+  %t299 = extractvalue { ptr, i64, i64 } %t296, 0
+  %t300 = getelementptr inbounds %S.ast.Node, ptr %t299, i64 0
+  %t301 = getelementptr inbounds %S.ast.Node, ptr %t300, i32 0, i32 0
   %t302 = load { ptr, i64, i64 }, ptr %t301
-  %t303 = extractvalue { ptr, i64, i64 } %t302, 1
-  %t304 = icmp uge i64 0, %t303
-  br i1 %t304, label %range5056, label %inrange5057
-range5056:
-  call void @finch_panic_index(ptr @.str.3289, i64 2423, i64 0, i64 %t303)
-  unreachable
-inrange5057:
-  %t305 = extractvalue { ptr, i64, i64 } %t302, 0
-  %t306 = getelementptr inbounds %S.ast.Node, ptr %t305, i64 0
-  %t307 = getelementptr inbounds %S.ast.Node, ptr %t306, i32 0, i32 0
+  store { ptr, i64, i64 } %t302, ptr %a303
+  store { ptr, i64, i64 } { ptr @.str.3397, i64 3, i64 0 }, ptr %a304
+  %t305 = call i32 @finch_str_eq(ptr %a303, ptr %a304)
+  %t306 = icmp ne i32 %t305, 0
+  br i1 %t306, label %then5323, label %endif5325
+then5323:
+  %t307 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t308 = load { ptr, i64, i64 }, ptr %t307
-  store { ptr, i64, i64 } %t308, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.3290, i64 3, i64 0 }, ptr %a310
-  %t311 = call i32 @finch_str_eq(ptr %a309, ptr %a310)
-  %t312 = icmp ne i32 %t311, 0
-  br i1 %t312, label %then5058, label %endif5060
-then5058:
-  %t313 = load ptr, ptr %a1
-  %t314 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t315 = load { ptr, i64, i64 }, ptr %t314
-  %t316 = extractvalue { ptr, i64, i64 } %t315, 1
-  %t317 = icmp uge i64 0, %t316
-  br i1 %t317, label %range5061, label %inrange5062
-range5061:
-  call void @finch_panic_index(ptr @.str.3291, i64 2424, i64 0, i64 %t316)
+  %t309 = extractvalue { ptr, i64, i64 } %t308, 1
+  %t310 = icmp uge i64 0, %t309
+  br i1 %t310, label %range5326, label %inrange5327
+range5326:
+  call void @finch_panic_index(ptr @.str.3398, i64 2612, i64 0, i64 %t309)
   unreachable
-inrange5062:
-  %t318 = extractvalue { ptr, i64, i64 } %t315, 0
-  %t319 = getelementptr inbounds %S.ast.Node, ptr %t318, i64 0
-  %t320 = getelementptr inbounds %S.ast.Node, ptr %t319, i32 0, i32 1
-  %t321 = load { ptr, i64, i64 }, ptr %t320
-  %t322 = call i64 @finch.gen.lookup(ptr %t313, { ptr, i64, i64 } %t321)
-  store i64 %t322, ptr %a323
-  %t324 = load i64, ptr %a323
-  %t325 = icmp sge i64 %t324, 0
-  br label %logic.from5063
-logic.from5063:
-  br i1 %t325, label %logic.rhs5064, label %logic.end5065
-logic.rhs5064:
-  %t326 = load i64, ptr %a323
-  %t327 = sdiv i64 %t326, 100000
-  %t328 = icmp sgt i64 %t327, 0
-  br label %logic.rend5066
-logic.rend5066:
-  br label %logic.end5065
-logic.end5065:
-  %t329 = phi i1 [ false, %logic.from5063 ], [ %t328, %logic.rend5066 ]
-  store i1 %t329, ptr %a300
-  br label %endif5060
-endif5060:
-  %t330 = load i1, ptr %a300
-  %t331 = xor i1 %t330, true
-  br i1 %t331, label %then5067, label %endif5069
-then5067:
-  %t332 = load ptr, ptr %a1
-  %t333 = load %S.gen.Val, ptr %a293
-  %t334 = call { ptr, i64, i64 } @finch.gen.own(ptr %t332, %S.gen.Val %t333)
-  store { ptr, i64, i64 } %t334, ptr %a299
-  br label %endif5069
-endif5069:
-  %t335 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t335, i64 0)
-  %t336 = load ptr, ptr %a1
-  %t337 = icmp eq ptr %t336, null
-  br i1 %t337, label %panic5070, label %ok5071
-panic5070:
-  call void @finch_panic(ptr @.str.3292, i64 2431, ptr @.str.3293)
+inrange5327:
+  %t311 = extractvalue { ptr, i64, i64 } %t308, 0
+  %t312 = getelementptr inbounds %S.ast.Node, ptr %t311, i64 0
+  %t313 = getelementptr inbounds %S.ast.Node, ptr %t312, i32 0, i32 1
+  %t314 = load { ptr, i64, i64 }, ptr %t313
+  store { ptr, i64, i64 } %t314, ptr %a315
+  call void @finch_str_copy(ptr %a316, ptr %a315)
+  %t317 = load { ptr, i64, i64 }, ptr %a316
+  store { ptr, i64, i64 } %t317, ptr %a318
+  %t319 = load ptr, ptr %a1
+  %t320 = icmp eq ptr %t319, null
+  br i1 %t320, label %panic5328, label %ok5329
+panic5328:
+  call void @finch_panic(ptr @.str.3399, i64 2613, ptr @.str.3400)
   unreachable
-ok5071:
-  %t338 = getelementptr inbounds %S.gen.Gen, ptr %t336, i32 0, i32 12
-  %t339 = getelementptr inbounds %S.gen.FnSig, ptr %t338, i32 0, i32 9
-  %t340 = load i1, ptr %t339
-  br i1 %t340, label %then5072, label %else5073
-then5072:
-  %t341 = load ptr, ptr %a1
-  %t342 = load ptr, ptr %a1
-  %t343 = load ptr, ptr %a1
-  %t344 = icmp eq ptr %t343, null
-  br i1 %t344, label %panic5075, label %ok5076
-panic5075:
-  call void @finch_panic(ptr @.str.3295, i64 2432, ptr @.str.3296)
+ok5329:
+  %t321 = getelementptr inbounds %S.gen.Gen, ptr %t319, i32 0, i32 10
+  %t322 = getelementptr inbounds { ptr, i64, i64 }, ptr %t321, i32 0, i32 1
+  %t323 = load i64, ptr %t322
+  store i64 %t323, ptr %a324
+  br label %while.cond5330
+while.cond5330:
+  %t325 = load i64, ptr %a324
+  %t326 = icmp sgt i64 %t325, 0
+  br i1 %t326, label %while.body5331, label %while.end5332
+while.body5331:
+  %t327 = load i64, ptr %a324
+  %t328 = sub i64 %t327, 1
+  store i64 %t328, ptr %a324
+  store i64 -1, ptr %a329
+  %t330 = load ptr, ptr %a1
+  %t331 = icmp eq ptr %t330, null
+  br i1 %t331, label %panic5333, label %ok5334
+panic5333:
+  call void @finch_panic(ptr @.str.3401, i64 2617, ptr @.str.3402)
   unreachable
-ok5076:
-  %t345 = getelementptr inbounds %S.gen.Gen, ptr %t343, i32 0, i32 12
-  %t346 = load %S.gen.FnSig, ptr %t345
-  %t347 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t342, %S.gen.FnSig %t346)
-  store { ptr, i64, i64 } { ptr @.str.3294, i64 12, i64 0 }, ptr %a349
-  store { ptr, i64, i64 } %t347, ptr %a350
-  call void @finch_str_concat(ptr %a348, ptr %a349, ptr %a350)
-  %t351 = load { ptr, i64, i64 }, ptr %a348
-  store { ptr, i64, i64 } %t351, ptr %a353
-  store { ptr, i64, i64 } { ptr @.str.3297, i64 28, i64 0 }, ptr %a354
-  call void @finch_str_concat(ptr %a352, ptr %a353, ptr %a354)
-  %t355 = load { ptr, i64, i64 }, ptr %a352
-  %t356 = call { ptr, i64, i64 } @finch.gen.op(ptr %t341, { ptr, i64, i64 } %t355)
-  store { ptr, i64, i64 } %t356, ptr %a357
-  %t358 = load ptr, ptr %a1
-  %t359 = load ptr, ptr %a1
-  %t360 = load ptr, ptr %a1
-  %t361 = icmp eq ptr %t360, null
-  br i1 %t361, label %panic5077, label %ok5078
-panic5077:
-  call void @finch_panic(ptr @.str.3299, i64 2433, ptr @.str.3300)
+ok5334:
+  %t332 = getelementptr inbounds %S.gen.Gen, ptr %t330, i32 0, i32 10
+  %t333 = load i64, ptr %a324
+  %t334 = load { ptr, i64, i64 }, ptr %t332
+  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
+  %t336 = icmp uge i64 %t333, %t335
+  br i1 %t336, label %range5335, label %inrange5336
+range5335:
+  call void @finch_panic_index(ptr @.str.3403, i64 2617, i64 %t333, i64 %t335)
   unreachable
-ok5078:
-  %t362 = getelementptr inbounds %S.gen.Gen, ptr %t360, i32 0, i32 12
-  %t363 = load %S.gen.FnSig, ptr %t362
-  %t364 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t359, %S.gen.FnSig %t363)
-  store { ptr, i64, i64 } { ptr @.str.3298, i64 12, i64 0 }, ptr %a366
-  store { ptr, i64, i64 } %t364, ptr %a367
-  call void @finch_str_concat(ptr %a365, ptr %a366, ptr %a367)
-  %t368 = load { ptr, i64, i64 }, ptr %a365
-  store { ptr, i64, i64 } %t368, ptr %a370
-  store { ptr, i64, i64 } { ptr @.str.3301, i64 1, i64 0 }, ptr %a371
-  call void @finch_str_concat(ptr %a369, ptr %a370, ptr %a371)
-  %t372 = load { ptr, i64, i64 }, ptr %a369
-  %t373 = load { ptr, i64, i64 }, ptr %a357
-  store { ptr, i64, i64 } %t372, ptr %a375
-  store { ptr, i64, i64 } %t373, ptr %a376
-  call void @finch_str_concat(ptr %a374, ptr %a375, ptr %a376)
-  %t377 = load { ptr, i64, i64 }, ptr %a374
-  store { ptr, i64, i64 } %t377, ptr %a379
-  store { ptr, i64, i64 } { ptr @.str.3302, i64 2, i64 0 }, ptr %a380
-  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
-  %t381 = load { ptr, i64, i64 }, ptr %a378
-  %t382 = load ptr, ptr %a1
-  %t383 = load ptr, ptr %a1
-  %t384 = icmp eq ptr %t383, null
-  br i1 %t384, label %panic5079, label %ok5080
-panic5079:
-  call void @finch_panic(ptr @.str.3303, i64 2433, ptr @.str.3304)
+inrange5336:
+  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
+  %t338 = getelementptr inbounds %S.gen.Scope, ptr %t337, i64 %t333
+  %t339 = getelementptr inbounds %S.gen.Scope, ptr %t338, i32 0, i32 0
+  %t340 = getelementptr inbounds { ptr, i64, i64 }, ptr %t339, i32 0, i32 1
+  %t341 = load i64, ptr %t340
+  store i64 0, ptr %a342
+  br label %for.cond5337
+for.cond5337:
+  %t343 = load i64, ptr %a342
+  %t344 = icmp slt i64 %t343, %t341
+  br i1 %t344, label %for.body5338, label %for.end5340
+for.body5338:
+  %t345 = load ptr, ptr %a1
+  %t346 = icmp eq ptr %t345, null
+  br i1 %t346, label %panic5341, label %ok5342
+panic5341:
+  call void @finch_panic(ptr @.str.3404, i64 2618, ptr @.str.3405)
   unreachable
-ok5080:
-  %t385 = getelementptr inbounds %S.gen.Gen, ptr %t383, i32 0, i32 12
-  %t386 = getelementptr inbounds %S.gen.FnSig, ptr %t385, i32 0, i32 12
-  %t387 = load %S.ast.Type, ptr %t386
-  %t388 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t382, %S.ast.Type %t387)
-  store { ptr, i64, i64 } %t381, ptr %a390
-  store { ptr, i64, i64 } %t388, ptr %a391
-  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
-  %t392 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t392, ptr %a394
-  store { ptr, i64, i64 } { ptr @.str.3305, i64 1, i64 0 }, ptr %a395
-  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
-  %t396 = load { ptr, i64, i64 }, ptr %a393
-  %t397 = load { ptr, i64, i64 }, ptr %a299
-  store { ptr, i64, i64 } %t396, ptr %a399
-  store { ptr, i64, i64 } %t397, ptr %a400
-  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
-  %t401 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } %t401, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.3306, i64 3, i64 0 }, ptr %a404
-  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
-  %t405 = load { ptr, i64, i64 }, ptr %a402
-  %t406 = call { ptr, i64, i64 } @finch.gen.op(ptr %t358, { ptr, i64, i64 } %t405)
-  store { ptr, i64, i64 } %t406, ptr %a407
-  %t408 = load ptr, ptr %a1
-  %t409 = load ptr, ptr %a1
-  %t410 = load ptr, ptr %a1
-  %t411 = icmp eq ptr %t410, null
-  br i1 %t411, label %panic5081, label %ok5082
-panic5081:
-  call void @finch_panic(ptr @.str.3308, i64 2434, ptr @.str.3309)
+ok5342:
+  %t347 = getelementptr inbounds %S.gen.Gen, ptr %t345, i32 0, i32 10
+  %t348 = load i64, ptr %a324
+  %t349 = load { ptr, i64, i64 }, ptr %t347
+  %t350 = extractvalue { ptr, i64, i64 } %t349, 1
+  %t351 = icmp uge i64 %t348, %t350
+  br i1 %t351, label %range5343, label %inrange5344
+range5343:
+  call void @finch_panic_index(ptr @.str.3406, i64 2618, i64 %t348, i64 %t350)
   unreachable
-ok5082:
-  %t412 = getelementptr inbounds %S.gen.Gen, ptr %t410, i32 0, i32 12
-  %t413 = load %S.gen.FnSig, ptr %t412
-  %t414 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t409, %S.gen.FnSig %t413)
-  store { ptr, i64, i64 } { ptr @.str.3307, i64 4, i64 0 }, ptr %a416
-  store { ptr, i64, i64 } %t414, ptr %a417
-  call void @finch_str_concat(ptr %a415, ptr %a416, ptr %a417)
-  %t418 = load { ptr, i64, i64 }, ptr %a415
-  store { ptr, i64, i64 } %t418, ptr %a420
-  store { ptr, i64, i64 } { ptr @.str.3310, i64 1, i64 0 }, ptr %a421
-  call void @finch_str_concat(ptr %a419, ptr %a420, ptr %a421)
-  %t422 = load { ptr, i64, i64 }, ptr %a419
-  %t423 = load { ptr, i64, i64 }, ptr %a407
-  store { ptr, i64, i64 } %t422, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  call void @finch.gen.emit(ptr %t408, { ptr, i64, i64 } %t427)
-  br label %endif5074
-else5073:
+inrange5344:
+  %t352 = extractvalue { ptr, i64, i64 } %t349, 0
+  %t353 = getelementptr inbounds %S.gen.Scope, ptr %t352, i64 %t348
+  %t354 = getelementptr inbounds %S.gen.Scope, ptr %t353, i32 0, i32 0
+  %t355 = load i64, ptr %a342
+  %t356 = load { ptr, i64, i64 }, ptr %t354
+  %t357 = extractvalue { ptr, i64, i64 } %t356, 1
+  %t358 = icmp uge i64 %t355, %t357
+  br i1 %t358, label %range5345, label %inrange5346
+range5345:
+  call void @finch_panic_index(ptr @.str.3407, i64 2618, i64 %t355, i64 %t357)
+  unreachable
+inrange5346:
+  %t359 = extractvalue { ptr, i64, i64 } %t356, 0
+  %t360 = getelementptr inbounds %S.gen.Var, ptr %t359, i64 %t355
+  %t361 = getelementptr inbounds %S.gen.Var, ptr %t360, i32 0, i32 0
+  %t362 = load { ptr, i64, i64 }, ptr %t361
+  %t363 = load { ptr, i64, i64 }, ptr %a318
+  store { ptr, i64, i64 } %t362, ptr %a364
+  store { ptr, i64, i64 } %t363, ptr %a365
+  %t366 = call i32 @finch_str_eq(ptr %a364, ptr %a365)
+  %t367 = icmp ne i32 %t366, 0
+  br label %logic.from5347
+logic.from5347:
+  br i1 %t367, label %logic.rhs5348, label %logic.end5349
+logic.rhs5348:
+  %t368 = load ptr, ptr %a1
+  %t369 = icmp eq ptr %t368, null
+  br i1 %t369, label %panic5350, label %ok5351
+panic5350:
+  call void @finch_panic(ptr @.str.3408, i64 2618, ptr @.str.3409)
+  unreachable
+ok5351:
+  %t370 = getelementptr inbounds %S.gen.Gen, ptr %t368, i32 0, i32 43
+  %t371 = load i1, ptr %t370
+  br label %logic.from5352
+logic.from5352:
+  br i1 %t371, label %logic.rhs5353, label %logic.end5354
+logic.rhs5353:
+  %t372 = load ptr, ptr %a1
+  %t373 = icmp eq ptr %t372, null
+  br i1 %t373, label %panic5355, label %ok5356
+panic5355:
+  call void @finch_panic(ptr @.str.3410, i64 2618, ptr @.str.3411)
+  unreachable
+ok5356:
+  %t374 = getelementptr inbounds %S.gen.Gen, ptr %t372, i32 0, i32 10
+  %t375 = load i64, ptr %a324
+  %t376 = load { ptr, i64, i64 }, ptr %t374
+  %t377 = extractvalue { ptr, i64, i64 } %t376, 1
+  %t378 = icmp uge i64 %t375, %t377
+  br i1 %t378, label %range5357, label %inrange5358
+range5357:
+  call void @finch_panic_index(ptr @.str.3412, i64 2618, i64 %t375, i64 %t377)
+  unreachable
+inrange5358:
+  %t379 = extractvalue { ptr, i64, i64 } %t376, 0
+  %t380 = getelementptr inbounds %S.gen.Scope, ptr %t379, i64 %t375
+  %t381 = getelementptr inbounds %S.gen.Scope, ptr %t380, i32 0, i32 0
+  %t382 = load i64, ptr %a342
+  %t383 = load { ptr, i64, i64 }, ptr %t381
+  %t384 = extractvalue { ptr, i64, i64 } %t383, 1
+  %t385 = icmp uge i64 %t382, %t384
+  br i1 %t385, label %range5359, label %inrange5360
+range5359:
+  call void @finch_panic_index(ptr @.str.3413, i64 2618, i64 %t382, i64 %t384)
+  unreachable
+inrange5360:
+  %t386 = extractvalue { ptr, i64, i64 } %t383, 0
+  %t387 = getelementptr inbounds %S.gen.Var, ptr %t386, i64 %t382
+  %t388 = getelementptr inbounds %S.gen.Var, ptr %t387, i32 0, i32 4
+  %t389 = load i64, ptr %t388
+  %t390 = load ptr, ptr %a1
+  %t391 = icmp eq ptr %t390, null
+  br i1 %t391, label %panic5361, label %ok5362
+panic5361:
+  call void @finch_panic(ptr @.str.3414, i64 2618, ptr @.str.3415)
+  unreachable
+ok5362:
+  %t392 = getelementptr inbounds %S.gen.Gen, ptr %t390, i32 0, i32 44
+  %t393 = load i64, ptr %t392
+  %t394 = icmp sge i64 %t389, %t393
+  br label %logic.rend5363
+logic.rend5363:
+  br label %logic.end5354
+logic.end5354:
+  %t395 = phi i1 [ false, %logic.from5352 ], [ %t394, %logic.rend5363 ]
+  %t396 = xor i1 %t395, true
+  br label %logic.rend5364
+logic.rend5364:
+  br label %logic.end5349
+logic.end5349:
+  %t397 = phi i1 [ false, %logic.from5347 ], [ %t396, %logic.rend5364 ]
+  br i1 %t397, label %then5365, label %endif5367
+then5365:
+  %t398 = load i64, ptr %a342
+  store i64 %t398, ptr %a329
+  br label %endif5367
+endif5367:
+  br label %for.step5339
+for.step5339:
+  %t399 = load i64, ptr %a342
+  %t400 = add i64 %t399, 1
+  store i64 %t400, ptr %a342
+  br label %for.cond5337
+for.end5340:
+  %t401 = load i64, ptr %a329
+  %t402 = icmp slt i64 %t401, 0
+  br i1 %t402, label %then5368, label %endif5370
+then5368:
+  br label %while.cond5330
+endif5370:
+  %t403 = load ptr, ptr %a1
+  %t404 = icmp eq ptr %t403, null
+  br i1 %t404, label %panic5371, label %ok5372
+panic5371:
+  call void @finch_panic(ptr @.str.3416, i64 2625, ptr @.str.3417)
+  unreachable
+ok5372:
+  %t405 = getelementptr inbounds %S.gen.Gen, ptr %t403, i32 0, i32 10
+  %t406 = load i64, ptr %a324
+  %t407 = load { ptr, i64, i64 }, ptr %t405
+  %t408 = extractvalue { ptr, i64, i64 } %t407, 1
+  %t409 = icmp uge i64 %t406, %t408
+  br i1 %t409, label %range5373, label %inrange5374
+range5373:
+  call void @finch_panic_index(ptr @.str.3418, i64 2625, i64 %t406, i64 %t408)
+  unreachable
+inrange5374:
+  %t410 = extractvalue { ptr, i64, i64 } %t407, 0
+  %t411 = getelementptr inbounds %S.gen.Scope, ptr %t410, i64 %t406
+  %t412 = getelementptr inbounds %S.gen.Scope, ptr %t411, i32 0, i32 0
+  %t413 = load i64, ptr %a329
+  %t414 = load { ptr, i64, i64 }, ptr %t412
+  %t415 = extractvalue { ptr, i64, i64 } %t414, 1
+  %t416 = icmp uge i64 %t413, %t415
+  br i1 %t416, label %range5375, label %inrange5376
+range5375:
+  call void @finch_panic_index(ptr @.str.3419, i64 2625, i64 %t413, i64 %t415)
+  unreachable
+inrange5376:
+  %t417 = extractvalue { ptr, i64, i64 } %t414, 0
+  %t418 = getelementptr inbounds %S.gen.Var, ptr %t417, i64 %t413
+  %t419 = load %S.gen.Var, ptr %t418
+  store %S.gen.Var %t419, ptr %a420
+  call void @finch.copy.S_gen_Var(ptr %a421, ptr %a420)
+  %t422 = load %S.gen.Var, ptr %a421
+  store %S.gen.Var %t422, ptr %a423
+  %t424 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 5
+  %t425 = load i1, ptr %t424
+  br label %logic.from5377
+logic.from5377:
+  br i1 %t425, label %logic.rhs5378, label %logic.end5379
+logic.rhs5378:
+  %t426 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 1
+  %t427 = load %S.ast.Type, ptr %t426
   %t428 = load ptr, ptr %a1
-  %t429 = load ptr, ptr %a1
-  %t430 = load ptr, ptr %a1
-  %t431 = icmp eq ptr %t430, null
-  br i1 %t431, label %panic5083, label %ok5084
-panic5083:
-  call void @finch_panic(ptr @.str.3312, i64 2436, ptr @.str.3313)
+  %t429 = icmp eq ptr %t428, null
+  br i1 %t429, label %panic5380, label %ok5381
+panic5380:
+  call void @finch_panic(ptr @.str.3420, i64 2626, ptr @.str.3421)
   unreachable
-ok5084:
-  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 12
-  %t433 = getelementptr inbounds %S.gen.FnSig, ptr %t432, i32 0, i32 12
-  %t434 = load %S.ast.Type, ptr %t433
-  %t435 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t429, %S.ast.Type %t434)
-  store { ptr, i64, i64 } { ptr @.str.3311, i64 4, i64 0 }, ptr %a437
-  store { ptr, i64, i64 } %t435, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  store { ptr, i64, i64 } %t439, ptr %a441
-  store { ptr, i64, i64 } { ptr @.str.3314, i64 1, i64 0 }, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  %t444 = load { ptr, i64, i64 }, ptr %a299
-  store { ptr, i64, i64 } %t443, ptr %a446
-  store { ptr, i64, i64 } %t444, ptr %a447
-  call void @finch_str_concat(ptr %a445, ptr %a446, ptr %a447)
-  %t448 = load { ptr, i64, i64 }, ptr %a445
-  call void @finch.gen.emit(ptr %t428, { ptr, i64, i64 } %t448)
-  br label %endif5074
-endif5074:
-  %t449 = load ptr, ptr %a1
-  %t450 = icmp eq ptr %t449, null
-  br i1 %t450, label %panic5085, label %ok5086
-panic5085:
-  call void @finch_panic(ptr @.str.3315, i64 2438, ptr @.str.3316)
+ok5381:
+  %t430 = getelementptr inbounds %S.gen.Gen, ptr %t428, i32 0, i32 13
+  %t431 = getelementptr inbounds %S.gen.FnSig, ptr %t430, i32 0, i32 12
+  %t432 = load %S.ast.Type, ptr %t431
+  %t433 = call i1 @finch.ast.same(%S.ast.Type %t427, %S.ast.Type %t432)
+  br label %logic.rend5382
+logic.rend5382:
+  br label %logic.end5379
+logic.end5379:
+  %t434 = phi i1 [ false, %logic.from5377 ], [ %t433, %logic.rend5382 ]
+  br i1 %t434, label %then5383, label %endif5385
+then5383:
+  %t435 = load ptr, ptr %a1
+  %t436 = load ptr, ptr %a1
+  %t437 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 1
+  %t438 = load %S.ast.Type, ptr %t437
+  %t439 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t436, %S.ast.Type %t438)
+  %t440 = getelementptr inbounds %S.gen.Var, ptr %a423, i32 0, i32 2
+  %t441 = load { ptr, i64, i64 }, ptr %t440
+  %t442 = call { ptr, i64, i64 } @finch.gen.load(ptr %t435, { ptr, i64, i64 } %t439, { ptr, i64, i64 } %t441)
+  store { ptr, i64, i64 } %t439, ptr %a443
+  call void @finch_str_drop(ptr %a443)
+  store { ptr, i64, i64 } %t442, ptr %a444
+  %t445 = load ptr, ptr %a1
+  %t446 = icmp eq ptr %t445, null
+  br i1 %t446, label %panic5386, label %ok5387
+panic5386:
+  call void @finch_panic(ptr @.str.3422, i64 2628, ptr @.str.3423)
   unreachable
-ok5086:
-  %t451 = getelementptr inbounds %S.gen.Gen, ptr %t449, i32 0, i32 9
-  store i1 true, ptr %t451
+ok5387:
+  %t447 = getelementptr inbounds %S.gen.Gen, ptr %t445, i32 0, i32 10
+  %t448 = load i64, ptr %a324
+  %t449 = load { ptr, i64, i64 }, ptr %t447
+  %t450 = extractvalue { ptr, i64, i64 } %t449, 1
+  %t451 = icmp uge i64 %t448, %t450
+  br i1 %t451, label %range5388, label %inrange5389
+range5388:
+  call void @finch_panic_index(ptr @.str.3424, i64 2628, i64 %t448, i64 %t450)
+  unreachable
+inrange5389:
+  %t452 = extractvalue { ptr, i64, i64 } %t449, 0
+  %t453 = getelementptr inbounds %S.gen.Scope, ptr %t452, i64 %t448
+  %t454 = getelementptr inbounds %S.gen.Scope, ptr %t453, i32 0, i32 0
+  %t455 = load i64, ptr %a329
+  %t456 = load { ptr, i64, i64 }, ptr %t454
+  %t457 = extractvalue { ptr, i64, i64 } %t456, 1
+  %t458 = icmp uge i64 %t455, %t457
+  br i1 %t458, label %range5390, label %inrange5391
+range5390:
+  call void @finch_panic_index(ptr @.str.3425, i64 2628, i64 %t455, i64 %t457)
+  unreachable
+inrange5391:
+  %t459 = extractvalue { ptr, i64, i64 } %t456, 0
+  %t460 = getelementptr inbounds %S.gen.Var, ptr %t459, i64 %t455
+  %t461 = getelementptr inbounds %S.gen.Var, ptr %t460, i32 0, i32 6
+  store i1 true, ptr %t461
+  %t462 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t462, i64 0)
+  %t463 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t463, i64 0)
+  %t464 = load ptr, ptr %a1
+  %t465 = icmp eq ptr %t464, null
+  br i1 %t465, label %panic5392, label %ok5393
+panic5392:
+  call void @finch_panic(ptr @.str.3426, i64 2631, ptr @.str.3427)
+  unreachable
+ok5393:
+  %t466 = getelementptr inbounds %S.gen.Gen, ptr %t464, i32 0, i32 10
+  %t467 = load i64, ptr %a324
+  %t468 = load { ptr, i64, i64 }, ptr %t466
+  %t469 = extractvalue { ptr, i64, i64 } %t468, 1
+  %t470 = icmp uge i64 %t467, %t469
+  br i1 %t470, label %range5394, label %inrange5395
+range5394:
+  call void @finch_panic_index(ptr @.str.3428, i64 2631, i64 %t467, i64 %t469)
+  unreachable
+inrange5395:
+  %t471 = extractvalue { ptr, i64, i64 } %t468, 0
+  %t472 = getelementptr inbounds %S.gen.Scope, ptr %t471, i64 %t467
+  %t473 = getelementptr inbounds %S.gen.Scope, ptr %t472, i32 0, i32 0
+  %t474 = load i64, ptr %a329
+  %t475 = load { ptr, i64, i64 }, ptr %t473
+  %t476 = extractvalue { ptr, i64, i64 } %t475, 1
+  %t477 = icmp uge i64 %t474, %t476
+  br i1 %t477, label %range5396, label %inrange5397
+range5396:
+  call void @finch_panic_index(ptr @.str.3429, i64 2631, i64 %t474, i64 %t476)
+  unreachable
+inrange5397:
+  %t478 = extractvalue { ptr, i64, i64 } %t475, 0
+  %t479 = getelementptr inbounds %S.gen.Var, ptr %t478, i64 %t474
+  %t480 = getelementptr inbounds %S.gen.Var, ptr %t479, i32 0, i32 6
+  store i1 false, ptr %t480
+  %t481 = load ptr, ptr %a1
+  %t482 = load { ptr, i64, i64 }, ptr %a444
+  call void @finch.gen.finishReturn(ptr %t481, { ptr, i64, i64 } %t482)
+  call void @finch_str_drop(ptr %a444)
+  call void @finch.drop.S_gen_Var(ptr %a423)
+  call void @finch_str_drop(ptr %a318)
+  ret void
+endif5385:
+  call void @finch.drop.S_gen_Var(ptr %a423)
+  br label %while.end5332
+while.end5332:
+  call void @finch_str_drop(ptr %a318)
+  br label %endif5325
+endif5325:
+  %t483 = load ptr, ptr %a1
+  %t484 = load ptr, ptr %a1
+  %t485 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  %t487 = extractvalue { ptr, i64, i64 } %t486, 1
+  %t488 = icmp uge i64 0, %t487
+  br i1 %t488, label %range5398, label %inrange5399
+range5398:
+  call void @finch_panic_index(ptr @.str.3430, i64 2638, i64 0, i64 %t487)
+  unreachable
+inrange5399:
+  %t489 = extractvalue { ptr, i64, i64 } %t486, 0
+  %t490 = getelementptr inbounds %S.ast.Node, ptr %t489, i64 0
+  %t491 = load %S.ast.Node, ptr %t490
+  %t492 = load ptr, ptr %a1
+  %t493 = icmp eq ptr %t492, null
+  br i1 %t493, label %panic5400, label %ok5401
+panic5400:
+  call void @finch_panic(ptr @.str.3431, i64 2638, ptr @.str.3432)
+  unreachable
+ok5401:
+  %t494 = getelementptr inbounds %S.gen.Gen, ptr %t492, i32 0, i32 13
+  %t495 = getelementptr inbounds %S.gen.FnSig, ptr %t494, i32 0, i32 12
+  %t496 = load %S.ast.Type, ptr %t495
+  %t497 = call %S.gen.Val @finch.gen.exprWant(ptr %t484, %S.ast.Node %t491, %S.ast.Type %t496)
+  %t498 = load ptr, ptr %a1
+  %t499 = icmp eq ptr %t498, null
+  br i1 %t499, label %panic5402, label %ok5403
+panic5402:
+  call void @finch_panic(ptr @.str.3433, i64 2638, ptr @.str.3434)
+  unreachable
+ok5403:
+  %t500 = getelementptr inbounds %S.gen.Gen, ptr %t498, i32 0, i32 13
+  %t501 = getelementptr inbounds %S.gen.FnSig, ptr %t500, i32 0, i32 12
+  %t502 = load %S.ast.Type, ptr %t501
+  %t503 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t504 = load { ptr, i64, i64 }, ptr %t503
+  %t505 = extractvalue { ptr, i64, i64 } %t504, 1
+  %t506 = icmp uge i64 0, %t505
+  br i1 %t506, label %range5404, label %inrange5405
+range5404:
+  call void @finch_panic_index(ptr @.str.3435, i64 2638, i64 0, i64 %t505)
+  unreachable
+inrange5405:
+  %t507 = extractvalue { ptr, i64, i64 } %t504, 0
+  %t508 = getelementptr inbounds %S.ast.Node, ptr %t507, i64 0
+  %t509 = load %S.ast.Node, ptr %t508
+  %t510 = call %S.gen.Val @finch.gen.coerce(ptr %t483, %S.gen.Val %t497, %S.ast.Type %t502, %S.ast.Node %t509, { ptr, i64, i64 } { ptr @.str.3436, i64 18, i64 0 })
+  store %S.gen.Val %t497, ptr %a511
+  call void @finch.drop.S_gen_Val(ptr %a511)
+  store %S.gen.Val %t510, ptr %a512
+  %t513 = load ptr, ptr %a1
+  %t514 = load %S.gen.Val, ptr %a512
+  %t515 = call { ptr, i64, i64 } @finch.gen.own(ptr %t513, %S.gen.Val %t514)
+  store { ptr, i64, i64 } %t515, ptr %a516
+  %t517 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t517, i64 0)
+  %t518 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t518, i64 0)
+  %t519 = load ptr, ptr %a1
+  %t520 = load { ptr, i64, i64 }, ptr %a516
+  call void @finch.gen.finishReturn(ptr %t519, { ptr, i64, i64 } %t520)
+  call void @finch_str_drop(ptr %a516)
+  call void @finch.drop.S_gen_Val(ptr %a512)
+  ret void
+}
+
+define internal void @finch.gen.finishReturn(ptr %p0, { ptr, i64, i64 } %p1) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  %t3 = load ptr, ptr %a1
+  %t4 = icmp eq ptr %t3, null
+  br i1 %t4, label %panic5406, label %ok5407
+panic5406:
+  call void @finch_panic(ptr @.str.3437, i64 2646, ptr @.str.3438)
+  unreachable
+ok5407:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 13
+  %t6 = getelementptr inbounds %S.gen.FnSig, ptr %t5, i32 0, i32 9
+  %t7 = load i1, ptr %t6
+  br i1 %t7, label %then5408, label %else5409
+then5408:
+  %t8 = load ptr, ptr %a1
+  %t9 = load ptr, ptr %a1
+  %t10 = load ptr, ptr %a1
+  %t11 = icmp eq ptr %t10, null
+  br i1 %t11, label %panic5411, label %ok5412
+panic5411:
+  call void @finch_panic(ptr @.str.3440, i64 2647, ptr @.str.3441)
+  unreachable
+ok5412:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 13
+  %t13 = load %S.gen.FnSig, ptr %t12
+  %t14 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t9, %S.gen.FnSig %t13)
+  store { ptr, i64, i64 } { ptr @.str.3439, i64 12, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } %t14, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  store { ptr, i64, i64 } %t19, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.3442, i64 28, i64 0 }, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t19, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  %t25 = call { ptr, i64, i64 } @finch.gen.op(ptr %t8, { ptr, i64, i64 } %t24)
+  store { ptr, i64, i64 } %t24, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  store { ptr, i64, i64 } %t25, ptr %a27
+  %t28 = load ptr, ptr %a1
+  %t29 = load ptr, ptr %a1
+  %t30 = load ptr, ptr %a1
+  %t31 = icmp eq ptr %t30, null
+  br i1 %t31, label %panic5413, label %ok5414
+panic5413:
+  call void @finch_panic(ptr @.str.3444, i64 2648, ptr @.str.3445)
+  unreachable
+ok5414:
+  %t32 = getelementptr inbounds %S.gen.Gen, ptr %t30, i32 0, i32 13
+  %t33 = load %S.gen.FnSig, ptr %t32
+  %t34 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t29, %S.gen.FnSig %t33)
+  store { ptr, i64, i64 } { ptr @.str.3443, i64 12, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t34, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  %t39 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t39, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.3446, i64 1, i64 0 }, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  %t45 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t44, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  store { ptr, i64, i64 } %t44, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3447, i64 2, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load ptr, ptr %a1
+  %t57 = load ptr, ptr %a1
+  %t58 = icmp eq ptr %t57, null
+  br i1 %t58, label %panic5415, label %ok5416
+panic5415:
+  call void @finch_panic(ptr @.str.3448, i64 2648, ptr @.str.3449)
+  unreachable
+ok5416:
+  %t59 = getelementptr inbounds %S.gen.Gen, ptr %t57, i32 0, i32 13
+  %t60 = getelementptr inbounds %S.gen.FnSig, ptr %t59, i32 0, i32 12
+  %t61 = load %S.ast.Type, ptr %t60
+  %t62 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t56, %S.ast.Type %t61)
+  store { ptr, i64, i64 } %t55, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t55, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  store { ptr, i64, i64 } %t62, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t68, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.3450, i64 1, i64 0 }, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  %t74 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t73, ptr %a76
+  store { ptr, i64, i64 } %t74, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t73, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3451, i64 3, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  %t85 = call { ptr, i64, i64 } @finch.gen.op(ptr %t28, { ptr, i64, i64 } %t84)
+  store { ptr, i64, i64 } %t84, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  store { ptr, i64, i64 } %t85, ptr %a87
+  %t88 = load ptr, ptr %a1
+  %t89 = load ptr, ptr %a1
+  %t90 = load ptr, ptr %a1
+  %t91 = icmp eq ptr %t90, null
+  br i1 %t91, label %panic5417, label %ok5418
+panic5417:
+  call void @finch_panic(ptr @.str.3453, i64 2649, ptr @.str.3454)
+  unreachable
+ok5418:
+  %t92 = getelementptr inbounds %S.gen.Gen, ptr %t90, i32 0, i32 13
+  %t93 = load %S.gen.FnSig, ptr %t92
+  %t94 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t89, %S.gen.FnSig %t93)
+  store { ptr, i64, i64 } { ptr @.str.3452, i64 4, i64 0 }, ptr %a96
+  store { ptr, i64, i64 } %t94, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t94, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  %t99 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t99, ptr %a101
+  store { ptr, i64, i64 } { ptr @.str.3455, i64 1, i64 0 }, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t99, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  %t105 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t104, ptr %a107
+  store { ptr, i64, i64 } %t105, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t104, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  call void @finch.gen.emit(ptr %t88, { ptr, i64, i64 } %t110)
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  call void @finch_str_drop(ptr %a87)
+  call void @finch_str_drop(ptr %a27)
+  br label %endif5410
+else5409:
+  %t112 = load ptr, ptr %a1
+  %t113 = load ptr, ptr %a1
+  %t114 = load ptr, ptr %a1
+  %t115 = icmp eq ptr %t114, null
+  br i1 %t115, label %panic5419, label %ok5420
+panic5419:
+  call void @finch_panic(ptr @.str.3457, i64 2651, ptr @.str.3458)
+  unreachable
+ok5420:
+  %t116 = getelementptr inbounds %S.gen.Gen, ptr %t114, i32 0, i32 13
+  %t117 = getelementptr inbounds %S.gen.FnSig, ptr %t116, i32 0, i32 12
+  %t118 = load %S.ast.Type, ptr %t117
+  %t119 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t113, %S.ast.Type %t118)
+  store { ptr, i64, i64 } { ptr @.str.3456, i64 4, i64 0 }, ptr %a121
+  store { ptr, i64, i64 } %t119, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t124, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.3459, i64 1, i64 0 }, ptr %a127
+  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
+  store { ptr, i64, i64 } %t124, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  %t129 = load { ptr, i64, i64 }, ptr %a125
+  %t130 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t129, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t129, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a131
+  call void @finch.gen.emit(ptr %t112, { ptr, i64, i64 } %t135)
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  br label %endif5410
+endif5410:
+  %t137 = load ptr, ptr %a1
+  %t138 = icmp eq ptr %t137, null
+  br i1 %t138, label %panic5421, label %ok5422
+panic5421:
+  call void @finch_panic(ptr @.str.3460, i64 2653, ptr @.str.3461)
+  unreachable
+ok5422:
+  %t139 = getelementptr inbounds %S.gen.Gen, ptr %t137, i32 0, i32 9
+  store i1 true, ptr %t139
   ret void
 }
 
@@ -46275,15 +54517,20 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -46291,46 +54538,56 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %t4
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 0, %t6
-  br i1 %t7, label %range5087, label %inrange5088
-range5087:
-  call void @finch_panic_index(ptr @.str.3318, i64 2450, i64 0, i64 %t6)
+  br i1 %t7, label %range5423, label %inrange5424
+range5423:
+  call void @finch_panic_index(ptr @.str.3463, i64 2665, i64 0, i64 %t6)
   unreachable
-inrange5088:
+inrange5424:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds %S.ast.Type, ptr %t8, i64 0
   %t10 = load %S.ast.Type, ptr %t9
   %t11 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t3, %S.ast.Type %t10)
-  store { ptr, i64, i64 } { ptr @.str.3317, i64 7, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.3462, i64 7, i64 0 }, ptr %a13
   store { ptr, i64, i64 } %t11, ptr %a14
   call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t15, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.3319, i64 2, i64 0 }, ptr %a18
-  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
-  %t19 = load { ptr, i64, i64 }, ptr %a16
-  %t20 = load ptr, ptr %a1
-  %t21 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
-  %t22 = load { ptr, i64, i64 }, ptr %t21
-  %t23 = extractvalue { ptr, i64, i64 } %t22, 1
-  %t24 = icmp uge i64 1, %t23
-  br i1 %t24, label %range5089, label %inrange5090
-range5089:
-  call void @finch_panic_index(ptr @.str.3320, i64 2450, i64 1, i64 %t23)
+  store { ptr, i64, i64 } %t11, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t16, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3464, i64 2, i64 0 }, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a17
+  %t22 = load ptr, ptr %a1
+  %t23 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
+  %t24 = load { ptr, i64, i64 }, ptr %t23
+  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
+  %t26 = icmp uge i64 1, %t25
+  br i1 %t26, label %range5425, label %inrange5426
+range5425:
+  call void @finch_panic_index(ptr @.str.3465, i64 2665, i64 1, i64 %t25)
   unreachable
-inrange5090:
-  %t25 = extractvalue { ptr, i64, i64 } %t22, 0
-  %t26 = getelementptr inbounds %S.ast.Type, ptr %t25, i64 1
-  %t27 = load %S.ast.Type, ptr %t26
-  %t28 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t20, %S.ast.Type %t27)
-  store { ptr, i64, i64 } %t19, ptr %a30
-  store { ptr, i64, i64 } %t28, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3321, i64 2, i64 0 }, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  ret { ptr, i64, i64 } %t36
+inrange5426:
+  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
+  %t28 = getelementptr inbounds %S.ast.Type, ptr %t27, i64 1
+  %t29 = load %S.ast.Type, ptr %t28
+  %t30 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t22, %S.ast.Type %t29)
+  store { ptr, i64, i64 } %t21, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t21, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  store { ptr, i64, i64 } %t30, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t36, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.3466, i64 2, i64 0 }, ptr %a39
+  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
+  store { ptr, i64, i64 } %t36, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  %t41 = load { ptr, i64, i64 }, ptr %a37
+  ret { ptr, i64, i64 } %t41
 }
 
 define internal { ptr, i64, i64 } @finch.gen.entrySize(ptr %p0, %S.ast.Type %p1) {
@@ -46340,23 +54597,29 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load %S.ast.Type, ptr %a2
   %t5 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t3, %S.ast.Type %t4)
-  store { ptr, i64, i64 } { ptr @.str.3322, i64 29, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3467, i64 29, i64 0 }, ptr %a7
   store { ptr, i64, i64 } %t5, ptr %a8
   call void @finch_str_concat(ptr %a6, ptr %a7, ptr %a8)
-  %t9 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t9, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.3323, i64 26, i64 0 }, ptr %a12
-  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  ret { ptr, i64, i64 } %t13
+  store { ptr, i64, i64 } %t5, ptr %a9
+  call void @finch_str_drop(ptr %a9)
+  %t10 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t10, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.3468, i64 26, i64 0 }, ptr %a13
+  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  ret { ptr, i64, i64 } %t15
 }
 
 define internal { ptr, i64, i64 } @finch.gen.entryAt(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, { ptr, i64, i64 } %p3) {
@@ -46368,31 +54631,43 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -46402,54 +54677,79 @@ entry:
   %t7 = load ptr, ptr %a1
   %t8 = load %S.ast.Type, ptr %a3
   %t9 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t7, %S.ast.Type %t8)
-  store { ptr, i64, i64 } { ptr @.str.3325, i64 23, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.3470, i64 23, i64 0 }, ptr %a11
   store { ptr, i64, i64 } %t9, ptr %a12
   call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t13, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.3326, i64 6, i64 0 }, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  %t18 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t17, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a21
-  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t22, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.3327, i64 14, i64 0 }, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  %t27 = call { ptr, i64, i64 } @finch.gen.op(ptr %t6, { ptr, i64, i64 } %t26)
-  %t28 = call { ptr, i64, i64 } @finch.gen.load(ptr %t5, { ptr, i64, i64 } { ptr @.str.3324, i64 3, i64 0 }, { ptr, i64, i64 } %t27)
-  store { ptr, i64, i64 } %t28, ptr %a29
-  %t30 = load ptr, ptr %a1
-  %t31 = load ptr, ptr %a1
-  %t32 = load %S.ast.Type, ptr %a3
-  %t33 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t31, %S.ast.Type %t32)
-  store { ptr, i64, i64 } { ptr @.str.3328, i64 23, i64 0 }, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.3329, i64 6, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t41, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.3330, i64 6, i64 0 }, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  %t51 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t9, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t14, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3471, i64 6, i64 0 }, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  store { ptr, i64, i64 } %t14, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  %t20 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t19, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  store { ptr, i64, i64 } %t19, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.3472, i64 14, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  %t31 = call { ptr, i64, i64 } @finch.gen.op(ptr %t6, { ptr, i64, i64 } %t30)
+  store { ptr, i64, i64 } %t30, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = call { ptr, i64, i64 } @finch.gen.load(ptr %t5, { ptr, i64, i64 } { ptr @.str.3469, i64 3, i64 0 }, { ptr, i64, i64 } %t31)
+  store { ptr, i64, i64 } %t31, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  store { ptr, i64, i64 } %t33, ptr %a35
+  %t36 = load ptr, ptr %a1
+  %t37 = load ptr, ptr %a1
+  %t38 = load %S.ast.Type, ptr %a3
+  %t39 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t37, %S.ast.Type %t38)
+  store { ptr, i64, i64 } { ptr @.str.3473, i64 23, i64 0 }, ptr %a41
+  store { ptr, i64, i64 } %t39, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t44, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.3474, i64 6, i64 0 }, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  store { ptr, i64, i64 } %t44, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  %t50 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t49, ptr %a52
   store { ptr, i64, i64 } %t50, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  %t56 = call { ptr, i64, i64 } @finch.gen.op(ptr %t30, { ptr, i64, i64 } %t55)
-  ret { ptr, i64, i64 } %t56
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.3475, i64 6, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t60, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = call { ptr, i64, i64 } @finch.gen.op(ptr %t36, { ptr, i64, i64 } %t66)
+  store { ptr, i64, i64 } %t66, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  call void @finch_str_drop(ptr %a35)
+  ret { ptr, i64, i64 } %t67
 }
 
 define internal { ptr, i64, i64 } @finch.gen.entryField(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, i64 %p3) {
@@ -46461,19 +54761,26 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -46482,32 +54789,46 @@ entry:
   %t6 = load ptr, ptr %a1
   %t7 = load %S.ast.Type, ptr %a3
   %t8 = call { ptr, i64, i64 } @finch.gen.entryTy(ptr %t6, %S.ast.Type %t7)
-  store { ptr, i64, i64 } { ptr @.str.3331, i64 23, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.3476, i64 23, i64 0 }, ptr %a10
   store { ptr, i64, i64 } %t8, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
-  %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3332, i64 6, i64 0 }, ptr %a15
-  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  %t17 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t16, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3333, i64 13, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  %t26 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a27, i64 %t26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t25, ptr %a30
-  store { ptr, i64, i64 } %t28, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  %t33 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t32)
-  ret { ptr, i64, i64 } %t33
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  %t13 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t13, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.3477, i64 6, i64 0 }, ptr %a16
+  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  %t19 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t18, ptr %a21
+  store { ptr, i64, i64 } %t19, ptr %a22
+  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a20
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.3478, i64 13, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t29, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  %t39 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t38)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  ret { ptr, i64, i64 } %t39
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mapArgs(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3) {
@@ -46520,116 +54841,151 @@ entry:
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store %S.ast.Type %p3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.3334, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.3479, i64 1, i64 0 }, ptr %a5
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %t6
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 0, %t8
-  br i1 %t9, label %range5091, label %inrange5092
-range5091:
-  call void @finch_panic_index(ptr @.str.3335, i64 2470, i64 0, i64 %t8)
+  br i1 %t9, label %range5427, label %inrange5428
+range5427:
+  call void @finch_panic_index(ptr @.str.3480, i64 2685, i64 0, i64 %t8)
   unreachable
-inrange5092:
+inrange5428:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.ast.Type, ptr %t10, i64 0
   %t12 = getelementptr inbounds %S.ast.Type, ptr %t11, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3336, i64 3, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.3481, i64 3, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br i1 %t17, label %then5093, label %endif5095
-then5093:
-  store { ptr, i64, i64 } { ptr @.str.3337, i64 1, i64 0 }, ptr %a5
-  br label %endif5095
-endif5095:
-  %t18 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.3338, i64 4, i64 0 }, ptr %a20
-  store { ptr, i64, i64 } %t18, ptr %a21
-  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
-  %t22 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t22, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.3339, i64 6, i64 0 }, ptr %a25
-  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
-  %t26 = load { ptr, i64, i64 }, ptr %a23
-  %t27 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t26, ptr %a29
-  store { ptr, i64, i64 } %t27, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.3340, i64 6, i64 0 }, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Type, ptr %a4
-  %t38 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t36, %S.ast.Type %t37)
-  store { ptr, i64, i64 } %t35, ptr %a40
-  store { ptr, i64, i64 } %t38, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.3341, i64 6, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  %t47 = load ptr, ptr %a1
-  %t48 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  %t50 = extractvalue { ptr, i64, i64 } %t49, 1
-  %t51 = icmp uge i64 0, %t50
-  br i1 %t51, label %range5096, label %inrange5097
-range5096:
-  call void @finch_panic_index(ptr @.str.3342, i64 2473, i64 0, i64 %t50)
+  br i1 %t17, label %then5429, label %endif5431
+then5429:
+  %t18 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.3482, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t18, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  br label %endif5431
+endif5431:
+  %t20 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.3483, i64 4, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } %t20, ptr %a23
+  call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.3484, i64 6, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t29, ptr %a32
+  store { ptr, i64, i64 } %t30, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t29, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t35, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.3485, i64 6, i64 0 }, ptr %a38
+  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load ptr, ptr %a1
+  %t42 = load %S.ast.Type, ptr %a4
+  %t43 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t41, %S.ast.Type %t42)
+  store { ptr, i64, i64 } %t40, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  store { ptr, i64, i64 } %t40, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  store { ptr, i64, i64 } %t43, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.3486, i64 6, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  %t55 = load ptr, ptr %a1
+  %t56 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 1
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  %t58 = extractvalue { ptr, i64, i64 } %t57, 1
+  %t59 = icmp uge i64 0, %t58
+  br i1 %t59, label %range5432, label %inrange5433
+range5432:
+  call void @finch_panic_index(ptr @.str.3487, i64 2688, i64 0, i64 %t58)
   unreachable
-inrange5097:
-  %t52 = extractvalue { ptr, i64, i64 } %t49, 0
-  %t53 = getelementptr inbounds %S.ast.Type, ptr %t52, i64 0
-  %t54 = load %S.ast.Type, ptr %t53
-  %t55 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t47, %S.ast.Type %t54)
-  store { ptr, i64, i64 } %t46, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.3343, i64 6, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = load { ptr, i64, i64 }, ptr %a5
+inrange5433:
+  %t60 = extractvalue { ptr, i64, i64 } %t57, 0
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i64 0
+  %t62 = load %S.ast.Type, ptr %t61
+  %t63 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t55, %S.ast.Type %t62)
+  store { ptr, i64, i64 } %t54, ptr %a65
   store { ptr, i64, i64 } %t63, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  ret { ptr, i64, i64 } %t68
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t54, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.3488, i64 6, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t74, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  call void @finch_str_drop(ptr %a5)
+  ret { ptr, i64, i64 } %t80
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mapFind(ptr %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3) {
@@ -46641,9 +54997,12 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -46654,16 +55013,22 @@ entry:
   %t8 = load { ptr, i64, i64 }, ptr %a3
   %t9 = load %S.ast.Type, ptr %a4
   %t10 = call { ptr, i64, i64 } @finch.gen.mapArgs(ptr %t6, { ptr, i64, i64 } %t7, { ptr, i64, i64 } %t8, %S.ast.Type %t9)
-  store { ptr, i64, i64 } { ptr @.str.3344, i64 25, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.3489, i64 25, i64 0 }, ptr %a12
   store { ptr, i64, i64 } %t10, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3345, i64 1, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  %t19 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t18)
-  ret { ptr, i64, i64 } %t19
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  store { ptr, i64, i64 } %t15, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.3490, i64 1, i64 0 }, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  %t21 = call { ptr, i64, i64 } @finch.gen.op(ptr %t5, { ptr, i64, i64 } %t20)
+  store { ptr, i64, i64 } %t20, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  ret { ptr, i64, i64 } %t21
 }
 
 define internal { ptr, i64, i64 } @finch.gen.defaultVal(ptr %p0, %S.ast.Type %p1, %S.ast.Node %p2) {
@@ -46677,29 +55042,30 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.3346, i64 6, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3491, i64 6, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.from5098
-logic.from5098:
-  br i1 %t9, label %logic.rhs5099, label %logic.end5100
-logic.rhs5099:
+  br label %logic.from5434
+logic.from5434:
+  br i1 %t9, label %logic.rhs5435, label %logic.end5436
+logic.rhs5435:
   %t10 = load ptr, ptr %a1
   %t11 = load %S.ast.Type, ptr %a2
   %t12 = call i1 @finch.gen.hasDefaults(ptr %t10, %S.ast.Type %t11)
-  br label %logic.rend5101
-logic.rend5101:
-  br label %logic.end5100
-logic.end5100:
-  %t13 = phi i1 [ false, %logic.from5098 ], [ %t12, %logic.rend5101 ]
-  br i1 %t13, label %then5102, label %endif5104
-then5102:
+  br label %logic.rend5437
+logic.rend5437:
+  br label %logic.end5436
+logic.end5436:
+  %t13 = phi i1 [ false, %logic.from5434 ], [ %t12, %logic.rend5437 ]
+  br i1 %t13, label %then5438, label %endif5440
+then5438:
   store { ptr, i64, i64 } zeroinitializer, ptr %a14
   store { ptr, i64, i64 } zeroinitializer, ptr %a15
   %t16 = load ptr, ptr %a1
@@ -46717,11 +55083,15 @@ then5102:
   store { ptr, i64, i64 } %t27, ptr %a28
   call void @finch_str_copy(ptr %a29, ptr %a28)
   %t30 = load { ptr, i64, i64 }, ptr %a29
+  store %S.gen.Val %t26, ptr %a31
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.arr_str(ptr %a15)
+  call void @finch.drop.arr_S_ast_Node(ptr %a14)
   ret { ptr, i64, i64 } %t30
-endif5104:
-  %t31 = load %S.ast.Type, ptr %a2
-  %t32 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t31)
-  ret { ptr, i64, i64 } %t32
+endif5440:
+  %t32 = load %S.ast.Type, ptr %a2
+  %t33 = call { ptr, i64, i64 } @finch.gen.zeroOf(%S.ast.Type %t32)
+  ret { ptr, i64, i64 } %t33
 }
 
 define internal { ptr, i64, i64 } @finch.gen.mapSlot(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, %S.gen.Val %p3, i1 %p4, %S.ast.Node %p5) {
@@ -46737,29 +55107,41 @@ entry:
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca %S.ast.Type, align 16
-  %a115 = alloca %S.ast.Type, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.ast.Type, align 16
+  %a130 = alloca %S.gen.Val, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -46771,158 +55153,188 @@ entry:
   %t9 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t7, %S.gen.Val %t8)
   store { ptr, i64, i64 } %t9, ptr %a10
   %t11 = load ptr, ptr %a1
-  %t12 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t11, { ptr, i64, i64 } { ptr @.str.3347, i64 3, i64 0 })
+  %t12 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t11, { ptr, i64, i64 } { ptr @.str.3492, i64 3, i64 0 })
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = load ptr, ptr %a1
   %t15 = load { ptr, i64, i64 }, ptr %a13
-  call void @finch.gen.store(ptr %t14, { ptr, i64, i64 } { ptr @.str.3348, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3349, i64 1, i64 0 }, { ptr, i64, i64 } %t15)
+  call void @finch.gen.store(ptr %t14, { ptr, i64, i64 } { ptr @.str.3493, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3494, i64 1, i64 0 }, { ptr, i64, i64 } %t15)
   %t16 = load ptr, ptr %a1
   %t17 = load ptr, ptr %a1
   %t18 = load { ptr, i64, i64 }, ptr %a2
   %t19 = load { ptr, i64, i64 }, ptr %a10
   %t20 = load %S.ast.Type, ptr %a3
   %t21 = call { ptr, i64, i64 } @finch.gen.mapArgs(ptr %t17, { ptr, i64, i64 } %t18, { ptr, i64, i64 } %t19, %S.ast.Type %t20)
-  store { ptr, i64, i64 } { ptr @.str.3350, i64 25, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3495, i64 25, i64 0 }, ptr %a23
   store { ptr, i64, i64 } %t21, ptr %a24
   call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.3351, i64 6, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t29, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.3352, i64 1, i64 0 }, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  %t39 = call { ptr, i64, i64 } @finch.gen.op(ptr %t16, { ptr, i64, i64 } %t38)
-  store { ptr, i64, i64 } %t39, ptr %a40
-  %t41 = load ptr, ptr %a1
-  %t42 = load { ptr, i64, i64 }, ptr %a2
-  %t43 = load %S.ast.Type, ptr %a3
-  %t44 = load { ptr, i64, i64 }, ptr %a40
-  %t45 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t41, { ptr, i64, i64 } %t42, %S.ast.Type %t43, { ptr, i64, i64 } %t44)
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t47 = load ptr, ptr %a1
-  %t48 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t47, { ptr, i64, i64 } { ptr @.str.3353, i64 7, i64 0 })
-  store { ptr, i64, i64 } %t48, ptr %a49
-  %t50 = load ptr, ptr %a1
-  %t51 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t50, { ptr, i64, i64 } { ptr @.str.3354, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t51, ptr %a52
-  %t53 = load ptr, ptr %a1
-  %t54 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t21, ptr %a25
+  call void @finch_str_drop(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.3496, i64 6, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t31, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t31, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.3497, i64 1, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  %t43 = call { ptr, i64, i64 } @finch.gen.op(ptr %t16, { ptr, i64, i64 } %t42)
+  store { ptr, i64, i64 } %t42, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  store { ptr, i64, i64 } %t43, ptr %a45
+  %t46 = load ptr, ptr %a1
+  %t47 = load { ptr, i64, i64 }, ptr %a2
+  %t48 = load %S.ast.Type, ptr %a3
+  %t49 = load { ptr, i64, i64 }, ptr %a45
+  %t50 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t46, { ptr, i64, i64 } %t47, %S.ast.Type %t48, { ptr, i64, i64 } %t49)
+  store { ptr, i64, i64 } %t50, ptr %a51
+  %t52 = load ptr, ptr %a1
+  %t53 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t52, { ptr, i64, i64 } { ptr @.str.3498, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t53, ptr %a54
   %t55 = load ptr, ptr %a1
-  %t56 = load { ptr, i64, i64 }, ptr %a13
-  %t57 = call { ptr, i64, i64 } @finch.gen.load(ptr %t55, { ptr, i64, i64 } { ptr @.str.3356, i64 3, i64 0 }, { ptr, i64, i64 } %t56)
-  store { ptr, i64, i64 } { ptr @.str.3355, i64 12, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t61, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.3357, i64 3, i64 0 }, ptr %a64
-  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  %t66 = call { ptr, i64, i64 } @finch.gen.op(ptr %t54, { ptr, i64, i64 } %t65)
-  %t67 = load { ptr, i64, i64 }, ptr %a49
-  %t68 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.condBr(ptr %t53, { ptr, i64, i64 } %t66, { ptr, i64, i64 } %t67, { ptr, i64, i64 } %t68)
-  %t69 = load ptr, ptr %a1
-  %t70 = load { ptr, i64, i64 }, ptr %a49
-  call void @finch.gen.label(ptr %t69, { ptr, i64, i64 } %t70)
-  %t71 = load ptr, ptr %a1
-  %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a46
-  %t74 = load %S.ast.Type, ptr %a3
-  %t75 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t72, { ptr, i64, i64 } %t73, %S.ast.Type %t74, i64 1)
-  %t76 = load { ptr, i64, i64 }, ptr %a10
-  %t77 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t78 = load { ptr, i64, i64 }, ptr %t77
-  %t79 = extractvalue { ptr, i64, i64 } %t78, 1
-  %t80 = icmp uge i64 0, %t79
-  br i1 %t80, label %range5105, label %inrange5106
-range5105:
-  call void @finch_panic_index(ptr @.str.3358, i64 2501, i64 0, i64 %t79)
+  %t56 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t55, { ptr, i64, i64 } { ptr @.str.3499, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t56, ptr %a57
+  %t58 = load ptr, ptr %a1
+  %t59 = load ptr, ptr %a1
+  %t60 = load ptr, ptr %a1
+  %t61 = load { ptr, i64, i64 }, ptr %a13
+  %t62 = call { ptr, i64, i64 } @finch.gen.load(ptr %t60, { ptr, i64, i64 } { ptr @.str.3501, i64 3, i64 0 }, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } { ptr @.str.3500, i64 12, i64 0 }, ptr %a64
+  store { ptr, i64, i64 } %t62, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t67, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.3502, i64 3, i64 0 }, ptr %a70
+  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  %t73 = call { ptr, i64, i64 } @finch.gen.op(ptr %t59, { ptr, i64, i64 } %t72)
+  store { ptr, i64, i64 } %t72, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a54
+  %t76 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.gen.condBr(ptr %t58, { ptr, i64, i64 } %t73, { ptr, i64, i64 } %t75, { ptr, i64, i64 } %t76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load ptr, ptr %a1
+  %t79 = load { ptr, i64, i64 }, ptr %a54
+  call void @finch.gen.label(ptr %t78, { ptr, i64, i64 } %t79)
+  %t80 = load ptr, ptr %a1
+  %t81 = load ptr, ptr %a1
+  %t82 = load { ptr, i64, i64 }, ptr %a51
+  %t83 = load %S.ast.Type, ptr %a3
+  %t84 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t81, { ptr, i64, i64 } %t82, %S.ast.Type %t83, i64 1)
+  %t85 = load { ptr, i64, i64 }, ptr %a10
+  %t86 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
+  %t89 = icmp uge i64 0, %t88
+  br i1 %t89, label %range5441, label %inrange5442
+range5441:
+  call void @finch_panic_index(ptr @.str.3503, i64 2716, i64 0, i64 %t88)
   unreachable
-inrange5106:
-  %t81 = extractvalue { ptr, i64, i64 } %t78, 0
-  %t82 = getelementptr inbounds %S.ast.Type, ptr %t81, i64 0
-  %t83 = load %S.ast.Type, ptr %t82
-  call void @finch.gen.copyAt(ptr %t71, { ptr, i64, i64 } %t75, { ptr, i64, i64 } %t76, %S.ast.Type %t83)
-  %t84 = load i1, ptr %a5
-  br i1 %t84, label %then5107, label %endif5109
-then5107:
-  %t85 = load ptr, ptr %a1
-  %t86 = load ptr, ptr %a1
-  %t87 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
-  %t88 = load { ptr, i64, i64 }, ptr %t87
-  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
-  %t90 = icmp uge i64 1, %t89
-  br i1 %t90, label %range5110, label %inrange5111
-range5110:
-  call void @finch_panic_index(ptr @.str.3359, i64 2503, i64 1, i64 %t89)
-  unreachable
-inrange5111:
-  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
-  %t92 = getelementptr inbounds %S.ast.Type, ptr %t91, i64 1
-  %t93 = load %S.ast.Type, ptr %t92
-  %t94 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t86, %S.ast.Type %t93)
+inrange5442:
+  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
+  %t91 = getelementptr inbounds %S.ast.Type, ptr %t90, i64 0
+  %t92 = load %S.ast.Type, ptr %t91
+  call void @finch.gen.copyAt(ptr %t80, { ptr, i64, i64 } %t84, { ptr, i64, i64 } %t85, %S.ast.Type %t92)
+  store { ptr, i64, i64 } %t84, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load i1, ptr %a5
+  br i1 %t94, label %then5443, label %endif5445
+then5443:
   %t95 = load ptr, ptr %a1
   %t96 = load ptr, ptr %a1
   %t97 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t98 = load { ptr, i64, i64 }, ptr %t97
   %t99 = extractvalue { ptr, i64, i64 } %t98, 1
   %t100 = icmp uge i64 1, %t99
-  br i1 %t100, label %range5112, label %inrange5113
-range5112:
-  call void @finch_panic_index(ptr @.str.3360, i64 2503, i64 1, i64 %t99)
+  br i1 %t100, label %range5446, label %inrange5447
+range5446:
+  call void @finch_panic_index(ptr @.str.3504, i64 2718, i64 1, i64 %t99)
   unreachable
-inrange5113:
+inrange5447:
   %t101 = extractvalue { ptr, i64, i64 } %t98, 0
   %t102 = getelementptr inbounds %S.ast.Type, ptr %t101, i64 1
   %t103 = load %S.ast.Type, ptr %t102
-  %t104 = load %S.ast.Node, ptr %a6
-  %t105 = call { ptr, i64, i64 } @finch.gen.defaultVal(ptr %t96, %S.ast.Type %t103, %S.ast.Node %t104)
-  %t106 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t105, 0
+  %t104 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t96, %S.ast.Type %t103)
+  %t105 = load ptr, ptr %a1
+  %t106 = load ptr, ptr %a1
   %t107 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t108 = load { ptr, i64, i64 }, ptr %t107
   %t109 = extractvalue { ptr, i64, i64 } %t108, 1
   %t110 = icmp uge i64 1, %t109
-  br i1 %t110, label %range5114, label %inrange5115
-range5114:
-  call void @finch_panic_index(ptr @.str.3361, i64 2503, i64 1, i64 %t109)
+  br i1 %t110, label %range5448, label %inrange5449
+range5448:
+  call void @finch_panic_index(ptr @.str.3505, i64 2718, i64 1, i64 %t109)
   unreachable
-inrange5115:
+inrange5449:
   %t111 = extractvalue { ptr, i64, i64 } %t108, 0
   %t112 = getelementptr inbounds %S.ast.Type, ptr %t111, i64 1
   %t113 = load %S.ast.Type, ptr %t112
-  store %S.ast.Type %t113, ptr %a114
-  call void @finch.copy.S_ast_Type(ptr %a115, ptr %a114)
-  %t116 = load %S.ast.Type, ptr %a115
-  %t117 = insertvalue %S.gen.Val %t106, %S.ast.Type %t116, 1
-  %t118 = insertvalue %S.gen.Val %t117, i1 true, 2
-  %t119 = call { ptr, i64, i64 } @finch.gen.own(ptr %t95, %S.gen.Val %t118)
-  %t120 = load ptr, ptr %a1
-  %t121 = load { ptr, i64, i64 }, ptr %a46
-  %t122 = load %S.ast.Type, ptr %a3
-  %t123 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t120, { ptr, i64, i64 } %t121, %S.ast.Type %t122, i64 2)
-  call void @finch.gen.store(ptr %t85, { ptr, i64, i64 } %t94, { ptr, i64, i64 } %t119, { ptr, i64, i64 } %t123)
-  br label %endif5109
-endif5109:
-  %t124 = load ptr, ptr %a1
-  %t125 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.br(ptr %t124, { ptr, i64, i64 } %t125)
-  %t126 = load ptr, ptr %a1
-  %t127 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.label(ptr %t126, { ptr, i64, i64 } %t127)
-  %t128 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t128, ptr %a129
-  call void @finch_str_copy(ptr %a130, ptr %a129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  ret { ptr, i64, i64 } %t131
+  %t114 = load %S.ast.Node, ptr %a6
+  %t115 = call { ptr, i64, i64 } @finch.gen.defaultVal(ptr %t106, %S.ast.Type %t113, %S.ast.Node %t114)
+  %t116 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t115, 0
+  %t117 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
+  %t120 = icmp uge i64 1, %t119
+  br i1 %t120, label %range5450, label %inrange5451
+range5450:
+  call void @finch_panic_index(ptr @.str.3506, i64 2718, i64 1, i64 %t119)
+  unreachable
+inrange5451:
+  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
+  %t122 = getelementptr inbounds %S.ast.Type, ptr %t121, i64 1
+  %t123 = load %S.ast.Type, ptr %t122
+  store %S.ast.Type %t123, ptr %a124
+  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
+  %t126 = load %S.ast.Type, ptr %a125
+  %t127 = insertvalue %S.gen.Val %t116, %S.ast.Type %t126, 1
+  %t128 = insertvalue %S.gen.Val %t127, i1 true, 2
+  %t129 = call { ptr, i64, i64 } @finch.gen.own(ptr %t105, %S.gen.Val %t128)
+  store %S.gen.Val %t128, ptr %a130
+  call void @finch.drop.S_gen_Val(ptr %a130)
+  %t131 = load ptr, ptr %a1
+  %t132 = load { ptr, i64, i64 }, ptr %a51
+  %t133 = load %S.ast.Type, ptr %a3
+  %t134 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t131, { ptr, i64, i64 } %t132, %S.ast.Type %t133, i64 2)
+  call void @finch.gen.store(ptr %t95, { ptr, i64, i64 } %t104, { ptr, i64, i64 } %t129, { ptr, i64, i64 } %t134)
+  store { ptr, i64, i64 } %t104, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  store { ptr, i64, i64 } %t129, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  store { ptr, i64, i64 } %t134, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  br label %endif5445
+endif5445:
+  %t138 = load ptr, ptr %a1
+  %t139 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.gen.br(ptr %t138, { ptr, i64, i64 } %t139)
+  %t140 = load ptr, ptr %a1
+  %t141 = load { ptr, i64, i64 }, ptr %a57
+  call void @finch.gen.label(ptr %t140, { ptr, i64, i64 } %t141)
+  %t142 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch_str_drop(ptr %a57)
+  call void @finch_str_drop(ptr %a54)
+  call void @finch_str_drop(ptr %a45)
+  call void @finch_str_drop(ptr %a13)
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t142
 }
 
 define internal %S.gen.Ref @finch.gen.mapIndex(ptr %p0, %S.ast.Node %p1, %S.gen.Ref %p2, %S.ast.Type %p3, i1 %p4) {
@@ -46939,57 +55351,74 @@ entry:
   %a25 = alloca %S.ast.Type, align 16
   %a27 = alloca %S.ast.Type, align 16
   %a48 = alloca %S.gen.Val, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca %S.ast.Type, align 16
-  %a72 = alloca %S.ast.Type, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.gen.Val, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca %S.ast.Type, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca %S.ast.Type, align 16
-  %a199 = alloca %S.ast.Type, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca %S.ast.Type, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a220 = alloca %S.gen.Val, align 16
-  %a234 = alloca %S.ast.Type, align 16
-  %a235 = alloca %S.ast.Type, align 16
-  %a241 = alloca %S.gen.Val, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a220 = alloca %S.ast.Type, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca %S.ast.Type, align 16
+  %a239 = alloca %S.ast.Type, align 16
   %a242 = alloca %S.gen.Val, align 16
+  %a256 = alloca %S.ast.Type, align 16
+  %a257 = alloca %S.ast.Type, align 16
+  %a262 = alloca %S.gen.Val, align 16
+  %a268 = alloca %S.gen.Val, align 16
+  %a269 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.gen.Ref %p2, ptr %a3
@@ -46999,11 +55428,11 @@ entry:
   %t7 = load { ptr, i64, i64 }, ptr %t6
   %t8 = extractvalue { ptr, i64, i64 } %t7, 1
   %t9 = icmp uge i64 0, %t8
-  br i1 %t9, label %range5116, label %inrange5117
-range5116:
-  call void @finch_panic_index(ptr @.str.3362, i64 2512, i64 0, i64 %t8)
+  br i1 %t9, label %range5452, label %inrange5453
+range5452:
+  call void @finch_panic_index(ptr @.str.3507, i64 2727, i64 0, i64 %t8)
   unreachable
-inrange5117:
+inrange5453:
   %t10 = extractvalue { ptr, i64, i64 } %t7, 0
   %t11 = getelementptr inbounds %S.ast.Type, ptr %t10, i64 0
   %t12 = load %S.ast.Type, ptr %t11
@@ -47015,11 +55444,11 @@ inrange5117:
   %t18 = load { ptr, i64, i64 }, ptr %t17
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 1, %t19
-  br i1 %t20, label %range5118, label %inrange5119
-range5118:
-  call void @finch_panic_index(ptr @.str.3363, i64 2513, i64 1, i64 %t19)
+  br i1 %t20, label %range5454, label %inrange5455
+range5454:
+  call void @finch_panic_index(ptr @.str.3508, i64 2728, i64 1, i64 %t19)
   unreachable
-inrange5119:
+inrange5455:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.ast.Type, ptr %t21, i64 1
   %t23 = load %S.ast.Type, ptr %t22
@@ -47033,11 +55462,11 @@ inrange5119:
   %t31 = load { ptr, i64, i64 }, ptr %t30
   %t32 = extractvalue { ptr, i64, i64 } %t31, 1
   %t33 = icmp uge i64 1, %t32
-  br i1 %t33, label %range5120, label %inrange5121
-range5120:
-  call void @finch_panic_index(ptr @.str.3364, i64 2514, i64 1, i64 %t32)
+  br i1 %t33, label %range5456, label %inrange5457
+range5456:
+  call void @finch_panic_index(ptr @.str.3509, i64 2729, i64 1, i64 %t32)
   unreachable
-inrange5121:
+inrange5457:
   %t34 = extractvalue { ptr, i64, i64 } %t31, 0
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i64 1
   %t36 = load %S.ast.Node, ptr %t35
@@ -47048,270 +55477,343 @@ inrange5121:
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = extractvalue { ptr, i64, i64 } %t41, 1
   %t43 = icmp uge i64 1, %t42
-  br i1 %t43, label %range5122, label %inrange5123
-range5122:
-  call void @finch_panic_index(ptr @.str.3365, i64 2514, i64 1, i64 %t42)
+  br i1 %t43, label %range5458, label %inrange5459
+range5458:
+  call void @finch_panic_index(ptr @.str.3510, i64 2729, i64 1, i64 %t42)
   unreachable
-inrange5123:
+inrange5459:
   %t44 = extractvalue { ptr, i64, i64 } %t41, 0
   %t45 = getelementptr inbounds %S.ast.Node, ptr %t44, i64 1
   %t46 = load %S.ast.Node, ptr %t45
-  %t47 = call %S.gen.Val @finch.gen.coerce(ptr %t28, %S.gen.Val %t38, %S.ast.Type %t39, %S.ast.Node %t46, { ptr, i64, i64 } { ptr @.str.3366, i64 7, i64 0 })
-  store %S.gen.Val %t47, ptr %a48
-  %t49 = load i1, ptr %a5
-  br i1 %t49, label %then5124, label %endif5126
-then5124:
-  %t50 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
-  %t51 = load i1, ptr %t50
-  %t52 = xor i1 %t51, true
-  br i1 %t52, label %then5127, label %endif5129
-then5127:
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t53, %S.ast.Node %t54, { ptr, i64, i64 } { ptr @.str.3367, i64 44, i64 0 })
-  br label %endif5129
-endif5129:
-  %t55 = load ptr, ptr %a1
-  %t56 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
-  %t57 = getelementptr inbounds %S.gen.Place, ptr %t56, i32 0, i32 0
-  %t58 = load { ptr, i64, i64 }, ptr %t57
-  %t59 = load %S.ast.Type, ptr %a4
-  %t60 = load %S.gen.Val, ptr %a48
-  %t61 = load %S.ast.Node, ptr %a2
-  %t62 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t55, { ptr, i64, i64 } %t58, %S.ast.Type %t59, %S.gen.Val %t60, i1 true, %S.ast.Node %t61)
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t47 = call %S.gen.Val @finch.gen.coerce(ptr %t28, %S.gen.Val %t38, %S.ast.Type %t39, %S.ast.Node %t46, { ptr, i64, i64 } { ptr @.str.3511, i64 7, i64 0 })
+  store %S.gen.Val %t38, ptr %a48
+  call void @finch.drop.S_gen_Val(ptr %a48)
+  store %S.gen.Val %t47, ptr %a49
+  %t50 = load i1, ptr %a5
+  br i1 %t50, label %then5460, label %endif5462
+then5460:
+  %t51 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t52 = load i1, ptr %t51
+  %t53 = xor i1 %t52, true
+  br i1 %t53, label %then5463, label %endif5465
+then5463:
+  %t54 = load ptr, ptr %a1
+  %t55 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t54, %S.ast.Node %t55, { ptr, i64, i64 } { ptr @.str.3512, i64 44, i64 0 })
+  br label %endif5465
+endif5465:
+  %t56 = load ptr, ptr %a1
+  %t57 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t58 = getelementptr inbounds %S.gen.Place, ptr %t57, i32 0, i32 0
+  %t59 = load { ptr, i64, i64 }, ptr %t58
+  %t60 = load %S.ast.Type, ptr %a4
+  %t61 = load %S.gen.Val, ptr %a49
+  %t62 = load %S.ast.Node, ptr %a2
+  %t63 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t56, { ptr, i64, i64 } %t59, %S.ast.Type %t60, %S.gen.Val %t61, i1 true, %S.ast.Node %t62)
+  store { ptr, i64, i64 } %t63, ptr %a64
   %t65 = load ptr, ptr %a1
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  %t67 = load %S.ast.Type, ptr %a4
-  %t68 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t65, { ptr, i64, i64 } %t66, %S.ast.Type %t67, i64 2)
-  %t69 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t68, 0
-  %t70 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t70, ptr %a71
-  call void @finch.copy.S_ast_Type(ptr %a72, ptr %a71)
-  %t73 = load %S.ast.Type, ptr %a72
-  %t74 = insertvalue %S.gen.Place %t69, %S.ast.Type %t73, 1
-  %t75 = insertvalue %S.gen.Ref %t64, %S.gen.Place %t74, 1
-  ret %S.gen.Ref %t75
-endif5126:
-  store { ptr, i64, i64 } { ptr @.str.3368, i64 0, i64 0 }, ptr %a76
-  %t77 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
-  %t78 = load i1, ptr %t77
-  br i1 %t78, label %then5130, label %else5131
-then5130:
-  %t79 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
-  %t80 = getelementptr inbounds %S.gen.Place, ptr %t79, i32 0, i32 0
-  %t81 = load { ptr, i64, i64 }, ptr %t80
-  store { ptr, i64, i64 } %t81, ptr %a82
-  call void @finch_str_copy(ptr %a83, ptr %a82)
-  %t84 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t84, ptr %a76
-  br label %endif5132
-else5131:
-  %t85 = load ptr, ptr %a1
-  %t86 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
-  %t87 = load %S.gen.Val, ptr %t86
-  %t88 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t85, %S.gen.Val %t87)
-  store { ptr, i64, i64 } %t88, ptr %a76
-  br label %endif5132
-endif5132:
-  %t89 = load ptr, ptr %a1
-  %t90 = load %S.gen.Val, ptr %a48
-  %t91 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t89, %S.gen.Val %t90)
-  store { ptr, i64, i64 } %t91, ptr %a92
-  %t93 = load ptr, ptr %a1
-  %t94 = load { ptr, i64, i64 }, ptr %a76
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  %t96 = load %S.ast.Type, ptr %a4
-  %t97 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t93, { ptr, i64, i64 } %t94, { ptr, i64, i64 } %t95, %S.ast.Type %t96)
-  store { ptr, i64, i64 } %t97, ptr %a98
-  %t99 = load ptr, ptr %a1
-  %t100 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t99, { ptr, i64, i64 } { ptr @.str.3369, i64 11, i64 0 })
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = load ptr, ptr %a1
-  %t103 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t102, { ptr, i64, i64 } { ptr @.str.3370, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t103, ptr %a104
-  %t105 = load ptr, ptr %a1
+  %t66 = load %S.gen.Val, ptr %a49
+  call void @finch.gen.release(ptr %t65, %S.gen.Val %t66)
+  %t67 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t68 = load ptr, ptr %a1
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  %t70 = load %S.ast.Type, ptr %a4
+  %t71 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t68, { ptr, i64, i64 } %t69, %S.ast.Type %t70, i64 2)
+  %t72 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t71, 0
+  %t73 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t73, ptr %a74
+  call void @finch.copy.S_ast_Type(ptr %a75, ptr %a74)
+  %t76 = load %S.ast.Type, ptr %a75
+  %t77 = insertvalue %S.gen.Place %t72, %S.ast.Type %t76, 1
+  %t78 = insertvalue %S.gen.Ref %t67, %S.gen.Place %t77, 1
+  call void @finch_str_drop(ptr %a64)
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret %S.gen.Ref %t78
+endif5462:
+  store { ptr, i64, i64 } { ptr @.str.3513, i64 0, i64 0 }, ptr %a79
+  %t80 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t81 = load i1, ptr %t80
+  br i1 %t81, label %then5466, label %else5467
+then5466:
+  %t82 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t83 = getelementptr inbounds %S.gen.Place, ptr %t82, i32 0, i32 0
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  store { ptr, i64, i64 } %t84, ptr %a85
+  call void @finch_str_copy(ptr %a86, ptr %a85)
+  %t87 = load { ptr, i64, i64 }, ptr %a86
+  %t88 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t87, ptr %a79
+  store { ptr, i64, i64 } %t88, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  br label %endif5468
+else5467:
+  %t90 = load ptr, ptr %a1
+  %t91 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t92 = load %S.gen.Val, ptr %t91
+  %t93 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t90, %S.gen.Val %t92)
+  %t94 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t93, ptr %a79
+  store { ptr, i64, i64 } %t94, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  br label %endif5468
+endif5468:
+  %t96 = load ptr, ptr %a1
+  %t97 = load %S.gen.Val, ptr %a49
+  %t98 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t96, %S.gen.Val %t97)
+  store { ptr, i64, i64 } %t98, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = load { ptr, i64, i64 }, ptr %a79
+  %t102 = load { ptr, i64, i64 }, ptr %a99
+  %t103 = load %S.ast.Type, ptr %a4
+  %t104 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t100, { ptr, i64, i64 } %t101, { ptr, i64, i64 } %t102, %S.ast.Type %t103)
+  store { ptr, i64, i64 } %t104, ptr %a105
   %t106 = load ptr, ptr %a1
-  %t107 = load { ptr, i64, i64 }, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.3371, i64 13, i64 0 }, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } %t111, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.3372, i64 3, i64 0 }, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  %t116 = call { ptr, i64, i64 } @finch.gen.op(ptr %t106, { ptr, i64, i64 } %t115)
-  %t117 = load { ptr, i64, i64 }, ptr %a101
-  %t118 = load { ptr, i64, i64 }, ptr %a104
-  call void @finch.gen.condBr(ptr %t105, { ptr, i64, i64 } %t116, { ptr, i64, i64 } %t117, { ptr, i64, i64 } %t118)
-  %t119 = load ptr, ptr %a1
-  %t120 = load { ptr, i64, i64 }, ptr %a101
-  call void @finch.gen.label(ptr %t119, { ptr, i64, i64 } %t120)
-  %t121 = load ptr, ptr %a1
-  %t122 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t121, { ptr, i64, i64 } { ptr @.str.3373, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t122, ptr %a123
-  %t124 = load ptr, ptr %a1
-  %t125 = load { ptr, i64, i64 }, ptr %a123
-  call void @finch.gen.store(ptr %t124, { ptr, i64, i64 } { ptr @.str.3374, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3375, i64 15, i64 0 }, { ptr, i64, i64 } %t125)
-  %t126 = load ptr, ptr %a1
-  %t127 = load { ptr, i64, i64 }, ptr %a123
-  %t128 = getelementptr inbounds %S.gen.Val, ptr %a48, i32 0, i32 0
-  %t129 = load { ptr, i64, i64 }, ptr %t128
-  %t130 = load %S.ast.Type, ptr %a16
-  call void @finch.gen.emitFormat(ptr %t126, { ptr, i64, i64 } %t127, { ptr, i64, i64 } %t129, %S.ast.Type %t130, i1 true)
+  %t107 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t106, { ptr, i64, i64 } { ptr @.str.3514, i64 11, i64 0 })
+  store { ptr, i64, i64 } %t107, ptr %a108
+  %t109 = load ptr, ptr %a1
+  %t110 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t109, { ptr, i64, i64 } { ptr @.str.3515, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t110, ptr %a111
+  %t112 = load ptr, ptr %a1
+  %t113 = load ptr, ptr %a1
+  %t114 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.3516, i64 13, i64 0 }, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a115
+  store { ptr, i64, i64 } %t118, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.3517, i64 3, i64 0 }, ptr %a121
+  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
+  store { ptr, i64, i64 } %t118, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a119
+  %t124 = call { ptr, i64, i64 } @finch.gen.op(ptr %t113, { ptr, i64, i64 } %t123)
+  store { ptr, i64, i64 } %t123, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a108
+  %t127 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.condBr(ptr %t112, { ptr, i64, i64 } %t124, { ptr, i64, i64 } %t126, { ptr, i64, i64 } %t127)
+  store { ptr, i64, i64 } %t124, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  %t129 = load ptr, ptr %a1
+  %t130 = load { ptr, i64, i64 }, ptr %a108
+  call void @finch.gen.label(ptr %t129, { ptr, i64, i64 } %t130)
   %t131 = load ptr, ptr %a1
-  %t132 = load ptr, ptr %a1
-  %t133 = load ptr, ptr %a1
-  %t134 = icmp eq ptr %t133, null
-  br i1 %t134, label %panic5133, label %ok5134
-panic5133:
-  call void @finch_panic(ptr @.str.3377, i64 2537, ptr @.str.3378)
+  %t132 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t131, { ptr, i64, i64 } { ptr @.str.3518, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t132, ptr %a133
+  %t134 = load ptr, ptr %a1
+  %t135 = load { ptr, i64, i64 }, ptr %a133
+  call void @finch.gen.store(ptr %t134, { ptr, i64, i64 } { ptr @.str.3519, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3520, i64 15, i64 0 }, { ptr, i64, i64 } %t135)
+  %t136 = load ptr, ptr %a1
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  %t138 = getelementptr inbounds %S.gen.Val, ptr %a49, i32 0, i32 0
+  %t139 = load { ptr, i64, i64 }, ptr %t138
+  %t140 = load %S.ast.Type, ptr %a16
+  call void @finch.gen.emitFormat(ptr %t136, { ptr, i64, i64 } %t137, { ptr, i64, i64 } %t139, %S.ast.Type %t140, i1 true)
+  %t141 = load ptr, ptr %a1
+  %t142 = load ptr, ptr %a1
+  %t143 = load ptr, ptr %a1
+  %t144 = icmp eq ptr %t143, null
+  br i1 %t144, label %panic5469, label %ok5470
+panic5469:
+  call void @finch_panic(ptr @.str.3522, i64 2753, ptr @.str.3523)
   unreachable
-ok5134:
-  %t135 = getelementptr inbounds %S.gen.Gen, ptr %t133, i32 0, i32 1
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t137 = load i64, ptr %t136
-  %t138 = load { ptr, i64, i64 }, ptr %t135
-  %t139 = extractvalue { ptr, i64, i64 } %t138, 1
-  %t140 = icmp uge i64 %t137, %t139
-  br i1 %t140, label %range5135, label %inrange5136
-range5135:
-  call void @finch_panic_index(ptr @.str.3379, i64 2537, i64 %t137, i64 %t139)
+ok5470:
+  %t145 = getelementptr inbounds %S.gen.Gen, ptr %t143, i32 0, i32 1
+  %t146 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t147 = load i64, ptr %t146
+  %t148 = load { ptr, i64, i64 }, ptr %t145
+  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
+  %t150 = icmp uge i64 %t147, %t149
+  br i1 %t150, label %range5471, label %inrange5472
+range5471:
+  call void @finch_panic_index(ptr @.str.3524, i64 2753, i64 %t147, i64 %t149)
   unreachable
-inrange5136:
-  %t141 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i64 %t137
-  %t143 = load { ptr, i64, i64 }, ptr %t142
-  %t144 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t132, { ptr, i64, i64 } %t143)
-  store { ptr, i64, i64 } { ptr @.str.3376, i64 33, i64 0 }, ptr %a146
-  store { ptr, i64, i64 } %t144, ptr %a147
-  call void @finch_str_concat(ptr %a145, ptr %a146, ptr %a147)
-  %t148 = load { ptr, i64, i64 }, ptr %a145
-  store { ptr, i64, i64 } %t148, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.3380, i64 6, i64 0 }, ptr %a151
-  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
-  %t152 = load { ptr, i64, i64 }, ptr %a149
-  %t153 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t154 = load i64, ptr %t153
-  call void @finch_str_from_int(ptr %a155, i64 %t154)
-  %t156 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t152, ptr %a158
-  store { ptr, i64, i64 } %t156, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  store { ptr, i64, i64 } %t160, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.3381, i64 6, i64 0 }, ptr %a163
-  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
-  %t164 = load { ptr, i64, i64 }, ptr %a161
-  %t165 = load { ptr, i64, i64 }, ptr %a123
-  store { ptr, i64, i64 } %t164, ptr %a167
-  store { ptr, i64, i64 } %t165, ptr %a168
-  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
-  %t169 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.3382, i64 1, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  call void @finch.gen.emit(ptr %t131, { ptr, i64, i64 } %t173)
-  %t174 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t174, { ptr, i64, i64 } { ptr @.str.3383, i64 11, i64 0 })
-  %t175 = load ptr, ptr %a1
-  %t176 = icmp eq ptr %t175, null
-  br i1 %t176, label %panic5137, label %ok5138
-panic5137:
-  call void @finch_panic(ptr @.str.3384, i64 2539, ptr @.str.3385)
+inrange5472:
+  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i64 %t147
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  %t154 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t142, { ptr, i64, i64 } %t153)
+  store { ptr, i64, i64 } { ptr @.str.3521, i64 33, i64 0 }, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t154, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t159, ptr %a161
+  store { ptr, i64, i64 } { ptr @.str.3525, i64 6, i64 0 }, ptr %a162
+  call void @finch_str_concat(ptr %a160, ptr %a161, ptr %a162)
+  store { ptr, i64, i64 } %t159, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a160
+  %t165 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t166 = load i64, ptr %t165
+  call void @finch_str_from_int(ptr %a167, i64 %t166)
+  %t168 = load { ptr, i64, i64 }, ptr %a167
+  store { ptr, i64, i64 } %t164, ptr %a170
+  store { ptr, i64, i64 } %t168, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t164, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  store { ptr, i64, i64 } %t168, ptr %a173
+  call void @finch_str_drop(ptr %a173)
+  %t174 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t174, ptr %a176
+  store { ptr, i64, i64 } { ptr @.str.3526, i64 6, i64 0 }, ptr %a177
+  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
+  store { ptr, i64, i64 } %t174, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a175
+  %t180 = load { ptr, i64, i64 }, ptr %a133
+  store { ptr, i64, i64 } %t179, ptr %a182
+  store { ptr, i64, i64 } %t180, ptr %a183
+  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
+  store { ptr, i64, i64 } %t179, ptr %a184
+  call void @finch_str_drop(ptr %a184)
+  %t185 = load { ptr, i64, i64 }, ptr %a181
+  store { ptr, i64, i64 } %t185, ptr %a187
+  store { ptr, i64, i64 } { ptr @.str.3527, i64 1, i64 0 }, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  store { ptr, i64, i64 } %t185, ptr %a189
+  call void @finch_str_drop(ptr %a189)
+  %t190 = load { ptr, i64, i64 }, ptr %a186
+  call void @finch.gen.emit(ptr %t141, { ptr, i64, i64 } %t190)
+  store { ptr, i64, i64 } %t190, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t192, { ptr, i64, i64 } { ptr @.str.3528, i64 11, i64 0 })
+  %t193 = load ptr, ptr %a1
+  %t194 = icmp eq ptr %t193, null
+  br i1 %t194, label %panic5473, label %ok5474
+panic5473:
+  call void @finch_panic(ptr @.str.3529, i64 2755, ptr @.str.3530)
   unreachable
-ok5138:
-  %t177 = getelementptr inbounds %S.gen.Gen, ptr %t175, i32 0, i32 9
-  store i1 true, ptr %t177
-  %t178 = load ptr, ptr %a1
-  %t179 = load { ptr, i64, i64 }, ptr %a104
-  call void @finch.gen.label(ptr %t178, { ptr, i64, i64 } %t179)
-  %t180 = load ptr, ptr %a1
-  %t181 = load ptr, ptr %a1
-  %t182 = load { ptr, i64, i64 }, ptr %a76
-  %t183 = load %S.ast.Type, ptr %a4
-  %t184 = load { ptr, i64, i64 }, ptr %a98
-  %t185 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t181, { ptr, i64, i64 } %t182, %S.ast.Type %t183, { ptr, i64, i64 } %t184)
-  %t186 = load %S.ast.Type, ptr %a4
-  %t187 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t180, { ptr, i64, i64 } %t185, %S.ast.Type %t186, i64 2)
-  store { ptr, i64, i64 } %t187, ptr %a188
-  %t189 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
-  %t190 = load i1, ptr %t189
-  br i1 %t190, label %then5139, label %endif5141
-then5139:
-  %t191 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t192 = load { ptr, i64, i64 }, ptr %a188
-  store { ptr, i64, i64 } %t192, ptr %a193
-  call void @finch_str_copy(ptr %a194, ptr %a193)
-  %t195 = load { ptr, i64, i64 }, ptr %a194
-  %t196 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t195, 0
-  %t197 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t197, ptr %a198
-  call void @finch.copy.S_ast_Type(ptr %a199, ptr %a198)
-  %t200 = load %S.ast.Type, ptr %a199
-  %t201 = insertvalue %S.gen.Place %t196, %S.ast.Type %t200, 1
-  %t202 = insertvalue %S.gen.Ref %t191, %S.gen.Place %t201, 1
-  ret %S.gen.Ref %t202
-endif5141:
-  %t203 = load ptr, ptr %a1
-  %t204 = load ptr, ptr %a1
-  %t205 = load %S.ast.Type, ptr %a27
-  %t206 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t204, %S.ast.Type %t205)
-  %t207 = load { ptr, i64, i64 }, ptr %a188
-  %t208 = call { ptr, i64, i64 } @finch.gen.load(ptr %t203, { ptr, i64, i64 } %t206, { ptr, i64, i64 } %t207)
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t210, ptr %a211
-  call void @finch_str_copy(ptr %a212, ptr %a211)
-  %t213 = load { ptr, i64, i64 }, ptr %a212
-  %t214 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t213, 0
-  %t215 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t215, ptr %a216
-  call void @finch.copy.S_ast_Type(ptr %a217, ptr %a216)
-  %t218 = load %S.ast.Type, ptr %a217
-  %t219 = insertvalue %S.gen.Val %t214, %S.ast.Type %t218, 1
-  store %S.gen.Val %t219, ptr %a220
-  %t221 = load ptr, ptr %a1
-  %t222 = load %S.ast.Type, ptr %a27
-  %t223 = call i1 @finch.gen.owning(ptr %t221, %S.ast.Type %t222)
-  br label %logic.from5142
-logic.from5142:
-  br i1 %t223, label %logic.rhs5143, label %logic.end5144
-logic.rhs5143:
-  %t224 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
-  %t225 = getelementptr inbounds %S.gen.Val, ptr %t224, i32 0, i32 2
-  %t226 = load i1, ptr %t225
-  br label %logic.rend5145
-logic.rend5145:
-  br label %logic.end5144
-logic.end5144:
-  %t227 = phi i1 [ false, %logic.from5142 ], [ %t226, %logic.rend5145 ]
-  br i1 %t227, label %then5146, label %endif5148
-then5146:
-  %t228 = load ptr, ptr %a1
-  %t229 = load { ptr, i64, i64 }, ptr %a209
-  %t230 = load %S.ast.Type, ptr %a27
-  %t231 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t228, { ptr, i64, i64 } %t229, %S.ast.Type %t230)
-  %t232 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t231, 0
-  %t233 = load %S.ast.Type, ptr %a27
-  store %S.ast.Type %t233, ptr %a234
-  call void @finch.copy.S_ast_Type(ptr %a235, ptr %a234)
-  %t236 = load %S.ast.Type, ptr %a235
-  %t237 = insertvalue %S.gen.Val %t232, %S.ast.Type %t236, 1
-  %t238 = insertvalue %S.gen.Val %t237, i1 true, 2
-  store %S.gen.Val %t238, ptr %a220
-  br label %endif5148
-endif5148:
-  %t239 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t240 = load %S.gen.Val, ptr %a220
-  store %S.gen.Val %t240, ptr %a241
-  call void @finch.copy.S_gen_Val(ptr %a242, ptr %a241)
-  %t243 = load %S.gen.Val, ptr %a242
-  %t244 = insertvalue %S.gen.Ref %t239, %S.gen.Val %t243, 2
-  ret %S.gen.Ref %t244
+ok5474:
+  %t195 = getelementptr inbounds %S.gen.Gen, ptr %t193, i32 0, i32 9
+  store i1 true, ptr %t195
+  %t196 = load ptr, ptr %a1
+  %t197 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.label(ptr %t196, { ptr, i64, i64 } %t197)
+  %t198 = load ptr, ptr %a1
+  %t199 = load %S.gen.Val, ptr %a49
+  call void @finch.gen.release(ptr %t198, %S.gen.Val %t199)
+  %t200 = load ptr, ptr %a1
+  %t201 = load ptr, ptr %a1
+  %t202 = load { ptr, i64, i64 }, ptr %a79
+  %t203 = load %S.ast.Type, ptr %a4
+  %t204 = load { ptr, i64, i64 }, ptr %a105
+  %t205 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t201, { ptr, i64, i64 } %t202, %S.ast.Type %t203, { ptr, i64, i64 } %t204)
+  %t206 = load %S.ast.Type, ptr %a4
+  %t207 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t200, { ptr, i64, i64 } %t205, %S.ast.Type %t206, i64 2)
+  store { ptr, i64, i64 } %t205, ptr %a208
+  call void @finch_str_drop(ptr %a208)
+  store { ptr, i64, i64 } %t207, ptr %a209
+  %t210 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t211 = load i1, ptr %t210
+  br i1 %t211, label %then5475, label %endif5477
+then5475:
+  %t212 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t213 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t213, ptr %a214
+  call void @finch_str_copy(ptr %a215, ptr %a214)
+  %t216 = load { ptr, i64, i64 }, ptr %a215
+  %t217 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t216, 0
+  %t218 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.copy.S_ast_Type(ptr %a220, ptr %a219)
+  %t221 = load %S.ast.Type, ptr %a220
+  %t222 = insertvalue %S.gen.Place %t217, %S.ast.Type %t221, 1
+  %t223 = insertvalue %S.gen.Ref %t212, %S.gen.Place %t222, 1
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a133)
+  call void @finch_str_drop(ptr %a111)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a105)
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a79)
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret %S.gen.Ref %t223
+endif5477:
+  %t224 = load ptr, ptr %a1
+  %t225 = load ptr, ptr %a1
+  %t226 = load %S.ast.Type, ptr %a27
+  %t227 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t225, %S.ast.Type %t226)
+  %t228 = load { ptr, i64, i64 }, ptr %a209
+  %t229 = call { ptr, i64, i64 } @finch.gen.load(ptr %t224, { ptr, i64, i64 } %t227, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t227, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  store { ptr, i64, i64 } %t229, ptr %a231
+  %t232 = load { ptr, i64, i64 }, ptr %a231
+  store { ptr, i64, i64 } %t232, ptr %a233
+  call void @finch_str_copy(ptr %a234, ptr %a233)
+  %t235 = load { ptr, i64, i64 }, ptr %a234
+  %t236 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t235, 0
+  %t237 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t237, ptr %a238
+  call void @finch.copy.S_ast_Type(ptr %a239, ptr %a238)
+  %t240 = load %S.ast.Type, ptr %a239
+  %t241 = insertvalue %S.gen.Val %t236, %S.ast.Type %t240, 1
+  store %S.gen.Val %t241, ptr %a242
+  %t243 = load ptr, ptr %a1
+  %t244 = load %S.ast.Type, ptr %a27
+  %t245 = call i1 @finch.gen.owning(ptr %t243, %S.ast.Type %t244)
+  br label %logic.from5478
+logic.from5478:
+  br i1 %t245, label %logic.rhs5479, label %logic.end5480
+logic.rhs5479:
+  %t246 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t247 = getelementptr inbounds %S.gen.Val, ptr %t246, i32 0, i32 2
+  %t248 = load i1, ptr %t247
+  br label %logic.rend5481
+logic.rend5481:
+  br label %logic.end5480
+logic.end5480:
+  %t249 = phi i1 [ false, %logic.from5478 ], [ %t248, %logic.rend5481 ]
+  br i1 %t249, label %then5482, label %endif5484
+then5482:
+  %t250 = load ptr, ptr %a1
+  %t251 = load { ptr, i64, i64 }, ptr %a231
+  %t252 = load %S.ast.Type, ptr %a27
+  %t253 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t250, { ptr, i64, i64 } %t251, %S.ast.Type %t252)
+  %t254 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t253, 0
+  %t255 = load %S.ast.Type, ptr %a27
+  store %S.ast.Type %t255, ptr %a256
+  call void @finch.copy.S_ast_Type(ptr %a257, ptr %a256)
+  %t258 = load %S.ast.Type, ptr %a257
+  %t259 = insertvalue %S.gen.Val %t254, %S.ast.Type %t258, 1
+  %t260 = insertvalue %S.gen.Val %t259, i1 true, 2
+  %t261 = load %S.gen.Val, ptr %a242
+  store %S.gen.Val %t260, ptr %a242
+  store %S.gen.Val %t261, ptr %a262
+  call void @finch.drop.S_gen_Val(ptr %a262)
+  br label %endif5484
+endif5484:
+  %t263 = load ptr, ptr %a1
+  %t264 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t265 = load %S.gen.Val, ptr %t264
+  call void @finch.gen.release(ptr %t263, %S.gen.Val %t265)
+  %t266 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t267 = load %S.gen.Val, ptr %a242
+  store %S.gen.Val %t267, ptr %a268
+  call void @finch.copy.S_gen_Val(ptr %a269, ptr %a268)
+  %t270 = load %S.gen.Val, ptr %a269
+  %t271 = insertvalue %S.gen.Ref %t266, %S.gen.Val %t270, 2
+  call void @finch.drop.S_gen_Val(ptr %a242)
+  call void @finch_str_drop(ptr %a231)
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a133)
+  call void @finch_str_drop(ptr %a111)
+  call void @finch_str_drop(ptr %a108)
+  call void @finch_str_drop(ptr %a105)
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a79)
+  call void @finch.drop.S_gen_Val(ptr %a49)
+  call void @finch.drop.S_ast_Type(ptr %a27)
+  call void @finch.drop.S_ast_Type(ptr %a16)
+  ret %S.gen.Ref %t271
 }
 
 define internal %S.gen.Val @finch.gen.mapLit(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -47339,33 +55841,49 @@ entry:
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca %S.ast.Node, align 16
   %a68 = alloca %S.ast.Node, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca %S.ast.Node, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca %S.gen.Val, align 16
+  %a107 = alloca %S.gen.Val, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca %S.ast.Type, align 16
-  %a151 = alloca %S.ast.Type, align 16
-  %a153 = alloca %S.ast.Type, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca i64, align 16
-  %a181 = alloca %S.gen.Val, align 16
-  %a182 = alloca %S.gen.Val, align 16
-  %a184 = alloca %S.gen.Val, align 16
-  %a186 = alloca %S.gen.Val, align 16
-  %a187 = alloca %S.gen.Val, align 16
-  %a189 = alloca %S.gen.Val, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca %S.ast.Type, align 16
-  %a308 = alloca %S.ast.Type, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca %S.ast.Type, align 16
+  %a157 = alloca %S.ast.Type, align 16
+  %a159 = alloca %S.ast.Type, align 16
+  %a165 = alloca %S.ast.Type, align 16
+  %a171 = alloca %S.ast.Type, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca i64, align 16
+  %a198 = alloca i64, align 16
+  %a206 = alloca i64, align 16
+  %a208 = alloca %S.gen.Val, align 16
+  %a209 = alloca %S.gen.Val, align 16
+  %a211 = alloca %S.gen.Val, align 16
+  %a236 = alloca %S.gen.Val, align 16
+  %a257 = alloca %S.gen.Val, align 16
+  %a261 = alloca %S.gen.Val, align 16
+  %a262 = alloca %S.gen.Val, align 16
+  %a264 = alloca %S.gen.Val, align 16
+  %a290 = alloca %S.gen.Val, align 16
+  %a312 = alloca %S.gen.Val, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca %S.ast.Type, align 16
+  %a369 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -47380,22 +55898,22 @@ entry:
   %t12 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.3386, i64 3, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.3531, i64 3, i64 0 }, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp eq i32 %t16, 0
-  br i1 %t17, label %then5149, label %endif5151
-then5149:
+  br i1 %t17, label %then5485, label %endif5487
+then5485:
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i32 0, i32 1
   %t20 = load i64, ptr %t19
   %t21 = icmp eq i64 %t20, 0
-  br i1 %t21, label %then5152, label %endif5154
-then5152:
+  br i1 %t21, label %then5488, label %endif5490
+then5488:
   %t22 = load ptr, ptr %a1
   %t23 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t22, %S.ast.Node %t23, { ptr, i64, i64 } { ptr @.str.3387, i64 52, i64 0 })
-  br label %endif5154
-endif5154:
+  call void @finch.gen.fail(ptr %t22, %S.ast.Node %t23, { ptr, i64, i64 } { ptr @.str.3532, i64 52, i64 0 })
+  br label %endif5490
+endif5490:
   store i1 true, ptr %a24
   store i1 false, ptr %a25
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
@@ -47403,12 +55921,12 @@ endif5154:
   %t28 = load i64, ptr %t27
   %t29 = sdiv i64 %t28, 2
   store i64 0, ptr %a30
-  br label %for.cond5155
-for.cond5155:
+  br label %for.cond5491
+for.cond5491:
   %t31 = load i64, ptr %a30
   %t32 = icmp slt i64 %t31, %t29
-  br i1 %t32, label %for.body5156, label %for.end5158
-for.body5156:
+  br i1 %t32, label %for.body5492, label %for.end5494
+for.body5492:
   %t33 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t34 = load i64, ptr %a30
   %t35 = mul i64 2, %t34
@@ -47416,11 +55934,11 @@ for.body5156:
   %t37 = load { ptr, i64, i64 }, ptr %t33
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range5159, label %inrange5160
-range5159:
-  call void @finch_panic_index(ptr @.str.3388, i64 2567, i64 %t36, i64 %t38)
+  br i1 %t39, label %range5495, label %inrange5496
+range5495:
+  call void @finch_panic_index(ptr @.str.3533, i64 2785, i64 %t36, i64 %t38)
   unreachable
-inrange5160:
+inrange5496:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t36
   %t42 = load %S.ast.Node, ptr %t41
@@ -47431,441 +55949,559 @@ inrange5160:
   %t47 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
   %t48 = load { ptr, i64, i64 }, ptr %t47
   store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.3389, i64 5, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.3534, i64 5, i64 0 }, ptr %a50
   %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
   %t52 = icmp ne i32 %t51, 0
-  br label %logic.from5161
-logic.from5161:
-  br i1 %t52, label %logic.rhs5162, label %logic.end5163
-logic.rhs5162:
+  br label %logic.from5497
+logic.from5497:
+  br i1 %t52, label %logic.rhs5498, label %logic.end5499
+logic.rhs5498:
   %t53 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 1
   %t54 = load { ptr, i64, i64 }, ptr %t53
   store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.3390, i64 1, i64 0 }, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.3535, i64 1, i64 0 }, ptr %a56
   %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
   %t58 = icmp ne i32 %t57, 0
-  br label %logic.rend5164
-logic.rend5164:
-  br label %logic.end5163
-logic.end5163:
-  %t59 = phi i1 [ false, %logic.from5161 ], [ %t58, %logic.rend5164 ]
-  br i1 %t59, label %then5165, label %endif5167
-then5165:
+  br label %logic.rend5500
+logic.rend5500:
+  br label %logic.end5499
+logic.end5499:
+  %t59 = phi i1 [ false, %logic.from5497 ], [ %t58, %logic.rend5500 ]
+  br i1 %t59, label %then5501, label %endif5503
+then5501:
   %t60 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 9
   %t61 = load { ptr, i64, i64 }, ptr %t60
   %t62 = extractvalue { ptr, i64, i64 } %t61, 1
   %t63 = icmp uge i64 0, %t62
-  br i1 %t63, label %range5168, label %inrange5169
-range5168:
-  call void @finch_panic_index(ptr @.str.3391, i64 2569, i64 0, i64 %t62)
+  br i1 %t63, label %range5504, label %inrange5505
+range5504:
+  call void @finch_panic_index(ptr @.str.3536, i64 2787, i64 0, i64 %t62)
   unreachable
-inrange5169:
+inrange5505:
   %t64 = extractvalue { ptr, i64, i64 } %t61, 0
   %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 0
   %t66 = load %S.ast.Node, ptr %t65
   store %S.ast.Node %t66, ptr %a67
   call void @finch.copy.S_ast_Node(ptr %a68, ptr %a67)
   %t69 = load %S.ast.Node, ptr %a68
+  %t70 = load %S.ast.Node, ptr %a46
   store %S.ast.Node %t69, ptr %a46
-  br label %endif5167
-endif5167:
-  %t70 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
-  %t71 = load { ptr, i64, i64 }, ptr %t70
-  store { ptr, i64, i64 } %t71, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.3392, i64 5, i64 0 }, ptr %a73
-  %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
-  %t75 = icmp ne i32 %t74, 0
-  br i1 %t75, label %then5170, label %else5171
-then5170:
+  store %S.ast.Node %t70, ptr %a71
+  call void @finch.drop.S_ast_Node(ptr %a71)
+  br label %endif5503
+endif5503:
+  %t72 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  store { ptr, i64, i64 } %t73, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.3537, i64 5, i64 0 }, ptr %a75
+  %t76 = call i32 @finch_str_eq(ptr %a74, ptr %a75)
+  %t77 = icmp ne i32 %t76, 0
+  br i1 %t77, label %then5506, label %else5507
+then5506:
   store i1 true, ptr %a25
-  br label %endif5172
-else5171:
-  %t76 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.3393, i64 3, i64 0 }, ptr %a79
-  %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
-  %t81 = icmp eq i32 %t80, 0
-  br i1 %t81, label %then5173, label %endif5175
-then5173:
+  br label %endif5508
+else5507:
+  %t78 = getelementptr inbounds %S.ast.Node, ptr %a46, i32 0, i32 0
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.3538, i64 3, i64 0 }, ptr %a81
+  %t82 = call i32 @finch_str_eq(ptr %a80, ptr %a81)
+  %t83 = icmp eq i32 %t82, 0
+  br i1 %t83, label %then5509, label %endif5511
+then5509:
   store i1 false, ptr %a24
-  br label %endif5175
-endif5175:
-  br label %endif5172
-endif5172:
-  br label %for.step5157
-for.step5157:
-  %t82 = load i64, ptr %a30
-  %t83 = add i64 %t82, 1
-  store i64 %t83, ptr %a30
-  br label %for.cond5155
-for.end5158:
-  %t84 = load ptr, ptr %a1
-  %t85 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t86 = load { ptr, i64, i64 }, ptr %t85
-  %t87 = extractvalue { ptr, i64, i64 } %t86, 1
-  %t88 = icmp uge i64 0, %t87
-  br i1 %t88, label %range5176, label %inrange5177
-range5176:
-  call void @finch_panic_index(ptr @.str.3394, i64 2577, i64 0, i64 %t87)
+  br label %endif5511
+endif5511:
+  br label %endif5508
+endif5508:
+  call void @finch.drop.S_ast_Node(ptr %a46)
+  br label %for.step5493
+for.step5493:
+  %t84 = load i64, ptr %a30
+  %t85 = add i64 %t84, 1
+  store i64 %t85, ptr %a30
+  br label %for.cond5491
+for.end5494:
+  %t86 = load ptr, ptr %a1
+  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t88 = load { ptr, i64, i64 }, ptr %t87
+  %t89 = extractvalue { ptr, i64, i64 } %t88, 1
+  %t90 = icmp uge i64 0, %t89
+  br i1 %t90, label %range5512, label %inrange5513
+range5512:
+  call void @finch_panic_index(ptr @.str.3539, i64 2795, i64 0, i64 %t89)
   unreachable
-inrange5177:
-  %t89 = extractvalue { ptr, i64, i64 } %t86, 0
-  %t90 = getelementptr inbounds %S.ast.Node, ptr %t89, i64 0
-  %t91 = load %S.ast.Node, ptr %t90
-  %t92 = call %S.gen.Val @finch.gen.expr(ptr %t84, %S.ast.Node %t91)
-  store %S.gen.Val %t92, ptr %a10
-  %t93 = load ptr, ptr %a1
-  %t94 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t95 = load { ptr, i64, i64 }, ptr %t94
-  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
-  %t97 = icmp uge i64 1, %t96
-  br i1 %t97, label %range5178, label %inrange5179
-range5178:
-  call void @finch_panic_index(ptr @.str.3395, i64 2578, i64 1, i64 %t96)
+inrange5513:
+  %t91 = extractvalue { ptr, i64, i64 } %t88, 0
+  %t92 = getelementptr inbounds %S.ast.Node, ptr %t91, i64 0
+  %t93 = load %S.ast.Node, ptr %t92
+  %t94 = call %S.gen.Val @finch.gen.expr(ptr %t86, %S.ast.Node %t93)
+  %t95 = load %S.gen.Val, ptr %a10
+  store %S.gen.Val %t94, ptr %a10
+  store %S.gen.Val %t95, ptr %a96
+  call void @finch.drop.S_gen_Val(ptr %a96)
+  %t97 = load ptr, ptr %a1
+  %t98 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t99 = load { ptr, i64, i64 }, ptr %t98
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 1, %t100
+  br i1 %t101, label %range5514, label %inrange5515
+range5514:
+  call void @finch_panic_index(ptr @.str.3540, i64 2796, i64 1, i64 %t100)
   unreachable
-inrange5179:
-  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
-  %t99 = getelementptr inbounds %S.ast.Node, ptr %t98, i64 1
-  %t100 = load %S.ast.Node, ptr %t99
-  %t101 = call %S.gen.Val @finch.gen.expr(ptr %t93, %S.ast.Node %t100)
-  store %S.gen.Val %t101, ptr %a11
-  %t102 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
-  %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i32 0, i32 0
-  %t104 = load { ptr, i64, i64 }, ptr %t103
-  store { ptr, i64, i64 } %t104, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.3396, i64 4, i64 0 }, ptr %a106
-  %t107 = call i32 @finch_str_eq(ptr %a105, ptr %a106)
-  %t108 = icmp ne i32 %t107, 0
-  br label %logic.from5180
-logic.from5180:
-  br i1 %t108, label %logic.end5182, label %logic.rhs5181
-logic.rhs5181:
-  %t109 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
-  %t110 = getelementptr inbounds %S.ast.Type, ptr %t109, i32 0, i32 0
-  %t111 = load { ptr, i64, i64 }, ptr %t110
-  store { ptr, i64, i64 } %t111, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.3397, i64 4, i64 0 }, ptr %a113
-  %t114 = call i32 @finch_str_eq(ptr %a112, ptr %a113)
-  %t115 = icmp ne i32 %t114, 0
-  br label %logic.rend5183
-logic.rend5183:
-  br label %logic.end5182
-logic.end5182:
-  %t116 = phi i1 [ true, %logic.from5180 ], [ %t115, %logic.rend5183 ]
-  br i1 %t116, label %then5184, label %endif5186
-then5184:
-  %t117 = load ptr, ptr %a1
-  %t118 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  %t120 = extractvalue { ptr, i64, i64 } %t119, 1
-  %t121 = icmp uge i64 0, %t120
-  br i1 %t121, label %range5187, label %inrange5188
-range5187:
-  call void @finch_panic_index(ptr @.str.3398, i64 2580, i64 0, i64 %t120)
+inrange5515:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds %S.ast.Node, ptr %t102, i64 1
+  %t104 = load %S.ast.Node, ptr %t103
+  %t105 = call %S.gen.Val @finch.gen.expr(ptr %t97, %S.ast.Node %t104)
+  %t106 = load %S.gen.Val, ptr %a11
+  store %S.gen.Val %t105, ptr %a11
+  store %S.gen.Val %t106, ptr %a107
+  call void @finch.drop.S_gen_Val(ptr %a107)
+  %t108 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %t108, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  store { ptr, i64, i64 } { ptr @.str.3541, i64 4, i64 0 }, ptr %a112
+  %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
+  %t114 = icmp ne i32 %t113, 0
+  br label %logic.from5516
+logic.from5516:
+  br i1 %t114, label %logic.end5518, label %logic.rhs5517
+logic.rhs5517:
+  %t115 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i32 0, i32 0
+  %t117 = load { ptr, i64, i64 }, ptr %t116
+  store { ptr, i64, i64 } %t117, ptr %a118
+  store { ptr, i64, i64 } { ptr @.str.3542, i64 4, i64 0 }, ptr %a119
+  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
+  %t121 = icmp ne i32 %t120, 0
+  br label %logic.rend5519
+logic.rend5519:
+  br label %logic.end5518
+logic.end5518:
+  %t122 = phi i1 [ true, %logic.from5516 ], [ %t121, %logic.rend5519 ]
+  br i1 %t122, label %then5520, label %endif5522
+then5520:
+  %t123 = load ptr, ptr %a1
+  %t124 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t125 = load { ptr, i64, i64 }, ptr %t124
+  %t126 = extractvalue { ptr, i64, i64 } %t125, 1
+  %t127 = icmp uge i64 0, %t126
+  br i1 %t127, label %range5523, label %inrange5524
+range5523:
+  call void @finch_panic_index(ptr @.str.3543, i64 2798, i64 0, i64 %t126)
   unreachable
-inrange5188:
-  %t122 = extractvalue { ptr, i64, i64 } %t119, 0
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %t122, i64 0
-  %t124 = load %S.ast.Node, ptr %t123
-  call void @finch.gen.fail(ptr %t117, %S.ast.Node %t124, { ptr, i64, i64 } { ptr @.str.3399, i64 35, i64 0 })
-  br label %endif5186
-endif5186:
-  %t125 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %t125, i32 0, i32 0
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  store { ptr, i64, i64 } %t127, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.3400, i64 4, i64 0 }, ptr %a129
-  %t130 = call i32 @finch_str_eq(ptr %a128, ptr %a129)
-  %t131 = icmp ne i32 %t130, 0
-  br label %logic.from5189
-logic.from5189:
-  br i1 %t131, label %logic.end5191, label %logic.rhs5190
-logic.rhs5190:
-  %t132 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
-  %t133 = getelementptr inbounds %S.ast.Type, ptr %t132, i32 0, i32 0
-  %t134 = load { ptr, i64, i64 }, ptr %t133
-  store { ptr, i64, i64 } %t134, ptr %a135
-  store { ptr, i64, i64 } { ptr @.str.3401, i64 4, i64 0 }, ptr %a136
-  %t137 = call i32 @finch_str_eq(ptr %a135, ptr %a136)
-  %t138 = icmp ne i32 %t137, 0
-  br label %logic.rend5192
-logic.rend5192:
-  br label %logic.end5191
-logic.end5191:
-  %t139 = phi i1 [ true, %logic.from5189 ], [ %t138, %logic.rend5192 ]
-  br i1 %t139, label %then5193, label %endif5195
-then5193:
-  %t140 = load ptr, ptr %a1
-  %t141 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t142 = load { ptr, i64, i64 }, ptr %t141
-  %t143 = extractvalue { ptr, i64, i64 } %t142, 1
-  %t144 = icmp uge i64 1, %t143
-  br i1 %t144, label %range5196, label %inrange5197
-range5196:
-  call void @finch_panic_index(ptr @.str.3402, i64 2583, i64 1, i64 %t143)
+inrange5524:
+  %t128 = extractvalue { ptr, i64, i64 } %t125, 0
+  %t129 = getelementptr inbounds %S.ast.Node, ptr %t128, i64 0
+  %t130 = load %S.ast.Node, ptr %t129
+  call void @finch.gen.fail(ptr %t123, %S.ast.Node %t130, { ptr, i64, i64 } { ptr @.str.3544, i64 35, i64 0 })
+  br label %endif5522
+endif5522:
+  %t131 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %t131, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.3545, i64 4, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp ne i32 %t136, 0
+  br label %logic.from5525
+logic.from5525:
+  br i1 %t137, label %logic.end5527, label %logic.rhs5526
+logic.rhs5526:
+  %t138 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
+  %t139 = getelementptr inbounds %S.ast.Type, ptr %t138, i32 0, i32 0
+  %t140 = load { ptr, i64, i64 }, ptr %t139
+  store { ptr, i64, i64 } %t140, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.3546, i64 4, i64 0 }, ptr %a142
+  %t143 = call i32 @finch_str_eq(ptr %a141, ptr %a142)
+  %t144 = icmp ne i32 %t143, 0
+  br label %logic.rend5528
+logic.rend5528:
+  br label %logic.end5527
+logic.end5527:
+  %t145 = phi i1 [ true, %logic.from5525 ], [ %t144, %logic.rend5528 ]
+  br i1 %t145, label %then5529, label %endif5531
+then5529:
+  %t146 = load ptr, ptr %a1
+  %t147 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
+  %t150 = icmp uge i64 1, %t149
+  br i1 %t150, label %range5532, label %inrange5533
+range5532:
+  call void @finch_panic_index(ptr @.str.3547, i64 2801, i64 1, i64 %t149)
   unreachable
-inrange5197:
-  %t145 = extractvalue { ptr, i64, i64 } %t142, 0
-  %t146 = getelementptr inbounds %S.ast.Node, ptr %t145, i64 1
-  %t147 = load %S.ast.Node, ptr %t146
-  call void @finch.gen.fail(ptr %t140, %S.ast.Node %t147, { ptr, i64, i64 } { ptr @.str.3403, i64 37, i64 0 })
-  br label %endif5195
-endif5195:
-  %t148 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
-  %t149 = load %S.ast.Type, ptr %t148
-  store %S.ast.Type %t149, ptr %a150
-  call void @finch.copy.S_ast_Type(ptr %a151, ptr %a150)
-  %t152 = load %S.ast.Type, ptr %a151
-  store %S.ast.Type %t152, ptr %a153
-  %t154 = load i1, ptr %a24
-  br label %logic.from5198
-logic.from5198:
-  br i1 %t154, label %logic.rhs5199, label %logic.end5200
-logic.rhs5199:
-  %t155 = load i1, ptr %a25
-  br label %logic.rend5201
-logic.rend5201:
-  br label %logic.end5200
-logic.end5200:
-  %t156 = phi i1 [ false, %logic.from5198 ], [ %t155, %logic.rend5201 ]
-  br i1 %t156, label %then5202, label %endif5204
-then5202:
-  %t157 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3404, i64 5, i64 0 })
-  store %S.ast.Type %t157, ptr %a153
-  br label %endif5204
-endif5204:
-  %t158 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
-  %t159 = load %S.ast.Type, ptr %t158
-  %t160 = load %S.ast.Type, ptr %a153
-  %t161 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t159, %S.ast.Type %t160)
-  store %S.ast.Type %t161, ptr %a8
-  store i1 true, ptr %a9
-  br label %endif5151
-endif5151:
-  %t162 = load ptr, ptr %a1
-  %t163 = load ptr, ptr %a1
-  %t164 = load %S.ast.Type, ptr %a8
-  %t165 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t163, %S.ast.Type %t164)
-  %t166 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t162, { ptr, i64, i64 } %t165)
-  store { ptr, i64, i64 } %t166, ptr %a167
-  %t168 = load ptr, ptr %a1
-  %t169 = load ptr, ptr %a1
+inrange5533:
+  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
+  %t152 = getelementptr inbounds %S.ast.Node, ptr %t151, i64 1
+  %t153 = load %S.ast.Node, ptr %t152
+  call void @finch.gen.fail(ptr %t146, %S.ast.Node %t153, { ptr, i64, i64 } { ptr @.str.3548, i64 37, i64 0 })
+  br label %endif5531
+endif5531:
+  %t154 = getelementptr inbounds %S.gen.Val, ptr %a11, i32 0, i32 1
+  %t155 = load %S.ast.Type, ptr %t154
+  store %S.ast.Type %t155, ptr %a156
+  call void @finch.copy.S_ast_Type(ptr %a157, ptr %a156)
+  %t158 = load %S.ast.Type, ptr %a157
+  store %S.ast.Type %t158, ptr %a159
+  %t160 = load i1, ptr %a24
+  br label %logic.from5534
+logic.from5534:
+  br i1 %t160, label %logic.rhs5535, label %logic.end5536
+logic.rhs5535:
+  %t161 = load i1, ptr %a25
+  br label %logic.rend5537
+logic.rend5537:
+  br label %logic.end5536
+logic.end5536:
+  %t162 = phi i1 [ false, %logic.from5534 ], [ %t161, %logic.rend5537 ]
+  br i1 %t162, label %then5538, label %endif5540
+then5538:
+  %t163 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3549, i64 5, i64 0 })
+  %t164 = load %S.ast.Type, ptr %a159
+  store %S.ast.Type %t163, ptr %a159
+  store %S.ast.Type %t164, ptr %a165
+  call void @finch.drop.S_ast_Type(ptr %a165)
+  br label %endif5540
+endif5540:
+  %t166 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t167 = load %S.ast.Type, ptr %t166
+  %t168 = load %S.ast.Type, ptr %a159
+  %t169 = call %S.ast.Type @finch.ast.mapOf(%S.ast.Type %t167, %S.ast.Type %t168)
   %t170 = load %S.ast.Type, ptr %a8
-  %t171 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t169, %S.ast.Type %t170)
-  %t172 = load { ptr, i64, i64 }, ptr %a167
-  call void @finch.gen.store(ptr %t168, { ptr, i64, i64 } %t171, { ptr, i64, i64 } { ptr @.str.3405, i64 15, i64 0 }, { ptr, i64, i64 } %t172)
-  %t173 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = load i64, ptr %t174
-  %t176 = sdiv i64 %t175, 2
-  store i64 0, ptr %a177
-  br label %for.cond5205
-for.cond5205:
-  %t178 = load i64, ptr %a177
-  %t179 = icmp slt i64 %t178, %t176
-  br i1 %t179, label %for.body5206, label %for.end5208
-for.body5206:
-  %t180 = load %S.gen.Val, ptr %a10
-  store %S.gen.Val %t180, ptr %a181
-  call void @finch.copy.S_gen_Val(ptr %a182, ptr %a181)
-  %t183 = load %S.gen.Val, ptr %a182
-  store %S.gen.Val %t183, ptr %a184
-  %t185 = load %S.gen.Val, ptr %a11
-  store %S.gen.Val %t185, ptr %a186
-  call void @finch.copy.S_gen_Val(ptr %a187, ptr %a186)
-  %t188 = load %S.gen.Val, ptr %a187
-  store %S.gen.Val %t188, ptr %a189
-  %t190 = load i64, ptr %a177
-  %t191 = icmp eq i64 %t190, 0
-  br label %logic.from5209
-logic.from5209:
-  br i1 %t191, label %logic.rhs5210, label %logic.end5211
-logic.rhs5210:
-  %t192 = load i1, ptr %a9
-  br label %logic.rend5212
-logic.rend5212:
-  br label %logic.end5211
-logic.end5211:
-  %t193 = phi i1 [ false, %logic.from5209 ], [ %t192, %logic.rend5212 ]
-  %t194 = xor i1 %t193, true
-  br i1 %t194, label %then5213, label %endif5215
-then5213:
-  %t195 = load ptr, ptr %a1
-  %t196 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t197 = load i64, ptr %a177
-  %t198 = mul i64 2, %t197
-  %t199 = load { ptr, i64, i64 }, ptr %t196
-  %t200 = extractvalue { ptr, i64, i64 } %t199, 1
-  %t201 = icmp uge i64 %t198, %t200
-  br i1 %t201, label %range5216, label %inrange5217
-range5216:
-  call void @finch_panic_index(ptr @.str.3406, i64 2598, i64 %t198, i64 %t200)
+  store %S.ast.Type %t169, ptr %a8
+  store %S.ast.Type %t170, ptr %a171
+  call void @finch.drop.S_ast_Type(ptr %a171)
+  store i1 true, ptr %a9
+  call void @finch.drop.S_ast_Type(ptr %a159)
+  br label %endif5487
+endif5487:
+  %t172 = load ptr, ptr %a1
+  %t173 = load ptr, ptr %a1
+  %t174 = load %S.ast.Type, ptr %a8
+  %t175 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t173, %S.ast.Type %t174)
+  %t176 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t172, { ptr, i64, i64 } %t175)
+  store { ptr, i64, i64 } %t175, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  store { ptr, i64, i64 } %t176, ptr %a178
+  %t179 = load ptr, ptr %a1
+  %t180 = load ptr, ptr %a1
+  %t181 = load %S.ast.Type, ptr %a8
+  %t182 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t180, %S.ast.Type %t181)
+  %t183 = load { ptr, i64, i64 }, ptr %a178
+  call void @finch.gen.store(ptr %t179, { ptr, i64, i64 } %t182, { ptr, i64, i64 } { ptr @.str.3550, i64 15, i64 0 }, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t182, ptr %a184
+  call void @finch_str_drop(ptr %a184)
+  %t185 = load ptr, ptr %a1
+  %t186 = icmp eq ptr %t185, null
+  br i1 %t186, label %panic5541, label %ok5542
+panic5541:
+  call void @finch_panic(ptr @.str.3551, i64 2812, ptr @.str.3552)
   unreachable
-inrange5217:
-  %t202 = extractvalue { ptr, i64, i64 } %t199, 0
-  %t203 = getelementptr inbounds %S.ast.Node, ptr %t202, i64 %t198
-  %t204 = load %S.ast.Node, ptr %t203
-  %t205 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t206 = load { ptr, i64, i64 }, ptr %t205
-  %t207 = extractvalue { ptr, i64, i64 } %t206, 1
-  %t208 = icmp uge i64 0, %t207
-  br i1 %t208, label %range5218, label %inrange5219
-range5218:
-  call void @finch_panic_index(ptr @.str.3407, i64 2598, i64 0, i64 %t207)
+ok5542:
+  %t187 = getelementptr inbounds %S.gen.Gen, ptr %t185, i32 0, i32 11
+  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t187, i32 0, i32 1
+  %t189 = load i64, ptr %t188
+  store i64 %t189, ptr %a190
+  %t191 = load ptr, ptr %a1
+  %t192 = load { ptr, i64, i64 }, ptr %a178
+  %t193 = load %S.ast.Type, ptr %a8
+  call void @finch.gen.holdAddr(ptr %t191, { ptr, i64, i64 } %t192, %S.ast.Type %t193)
+  %t194 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
+  %t196 = load i64, ptr %t195
+  %t197 = sdiv i64 %t196, 2
+  store i64 0, ptr %a198
+  br label %for.cond5543
+for.cond5543:
+  %t199 = load i64, ptr %a198
+  %t200 = icmp slt i64 %t199, %t197
+  br i1 %t200, label %for.body5544, label %for.end5546
+for.body5544:
+  %t201 = load ptr, ptr %a1
+  %t202 = icmp eq ptr %t201, null
+  br i1 %t202, label %panic5547, label %ok5548
+panic5547:
+  call void @finch_panic(ptr @.str.3553, i64 2815, ptr @.str.3554)
   unreachable
-inrange5219:
-  %t209 = extractvalue { ptr, i64, i64 } %t206, 0
-  %t210 = getelementptr inbounds %S.ast.Type, ptr %t209, i64 0
-  %t211 = load %S.ast.Type, ptr %t210
-  %t212 = call %S.gen.Val @finch.gen.exprWant(ptr %t195, %S.ast.Node %t204, %S.ast.Type %t211)
-  store %S.gen.Val %t212, ptr %a184
-  %t213 = load ptr, ptr %a1
-  %t214 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t215 = load i64, ptr %a177
-  %t216 = mul i64 2, %t215
-  %t217 = add i64 %t216, 1
-  %t218 = load { ptr, i64, i64 }, ptr %t214
-  %t219 = extractvalue { ptr, i64, i64 } %t218, 1
-  %t220 = icmp uge i64 %t217, %t219
-  br i1 %t220, label %range5220, label %inrange5221
-range5220:
-  call void @finch_panic_index(ptr @.str.3408, i64 2599, i64 %t217, i64 %t219)
+ok5548:
+  %t203 = getelementptr inbounds %S.gen.Gen, ptr %t201, i32 0, i32 11
+  %t204 = getelementptr inbounds { ptr, i64, i64 }, ptr %t203, i32 0, i32 1
+  %t205 = load i64, ptr %t204
+  store i64 %t205, ptr %a206
+  %t207 = load %S.gen.Val, ptr %a10
+  store %S.gen.Val %t207, ptr %a208
+  call void @finch.copy.S_gen_Val(ptr %a209, ptr %a208)
+  %t210 = load %S.gen.Val, ptr %a209
+  store %S.gen.Val %t210, ptr %a211
+  %t212 = load i64, ptr %a198
+  %t213 = icmp eq i64 %t212, 0
+  br label %logic.from5549
+logic.from5549:
+  br i1 %t213, label %logic.rhs5550, label %logic.end5551
+logic.rhs5550:
+  %t214 = load i1, ptr %a9
+  br label %logic.rend5552
+logic.rend5552:
+  br label %logic.end5551
+logic.end5551:
+  %t215 = phi i1 [ false, %logic.from5549 ], [ %t214, %logic.rend5552 ]
+  %t216 = xor i1 %t215, true
+  br i1 %t216, label %then5553, label %endif5555
+then5553:
+  %t217 = load ptr, ptr %a1
+  %t218 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t219 = load i64, ptr %a198
+  %t220 = mul i64 2, %t219
+  %t221 = load { ptr, i64, i64 }, ptr %t218
+  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
+  %t223 = icmp uge i64 %t220, %t222
+  br i1 %t223, label %range5556, label %inrange5557
+range5556:
+  call void @finch_panic_index(ptr @.str.3555, i64 2818, i64 %t220, i64 %t222)
   unreachable
-inrange5221:
-  %t221 = extractvalue { ptr, i64, i64 } %t218, 0
-  %t222 = getelementptr inbounds %S.ast.Node, ptr %t221, i64 %t217
-  %t223 = load %S.ast.Node, ptr %t222
-  %t224 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t225 = load { ptr, i64, i64 }, ptr %t224
-  %t226 = extractvalue { ptr, i64, i64 } %t225, 1
-  %t227 = icmp uge i64 1, %t226
-  br i1 %t227, label %range5222, label %inrange5223
-range5222:
-  call void @finch_panic_index(ptr @.str.3409, i64 2599, i64 1, i64 %t226)
+inrange5557:
+  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
+  %t225 = getelementptr inbounds %S.ast.Node, ptr %t224, i64 %t220
+  %t226 = load %S.ast.Node, ptr %t225
+  %t227 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t228 = load { ptr, i64, i64 }, ptr %t227
+  %t229 = extractvalue { ptr, i64, i64 } %t228, 1
+  %t230 = icmp uge i64 0, %t229
+  br i1 %t230, label %range5558, label %inrange5559
+range5558:
+  call void @finch_panic_index(ptr @.str.3556, i64 2818, i64 0, i64 %t229)
   unreachable
-inrange5223:
-  %t228 = extractvalue { ptr, i64, i64 } %t225, 0
-  %t229 = getelementptr inbounds %S.ast.Type, ptr %t228, i64 1
-  %t230 = load %S.ast.Type, ptr %t229
-  %t231 = call %S.gen.Val @finch.gen.exprWant(ptr %t213, %S.ast.Node %t223, %S.ast.Type %t230)
-  store %S.gen.Val %t231, ptr %a189
-  br label %endif5215
-endif5215:
-  %t232 = load ptr, ptr %a1
-  %t233 = load %S.gen.Val, ptr %a184
-  %t234 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  %t236 = extractvalue { ptr, i64, i64 } %t235, 1
-  %t237 = icmp uge i64 0, %t236
-  br i1 %t237, label %range5224, label %inrange5225
-range5224:
-  call void @finch_panic_index(ptr @.str.3410, i64 2601, i64 0, i64 %t236)
+inrange5559:
+  %t231 = extractvalue { ptr, i64, i64 } %t228, 0
+  %t232 = getelementptr inbounds %S.ast.Type, ptr %t231, i64 0
+  %t233 = load %S.ast.Type, ptr %t232
+  %t234 = call %S.gen.Val @finch.gen.exprWant(ptr %t217, %S.ast.Node %t226, %S.ast.Type %t233)
+  %t235 = load %S.gen.Val, ptr %a211
+  store %S.gen.Val %t234, ptr %a211
+  store %S.gen.Val %t235, ptr %a236
+  call void @finch.drop.S_gen_Val(ptr %a236)
+  br label %endif5555
+endif5555:
+  %t237 = load ptr, ptr %a1
+  %t238 = load %S.gen.Val, ptr %a211
+  %t239 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = extractvalue { ptr, i64, i64 } %t240, 1
+  %t242 = icmp uge i64 0, %t241
+  br i1 %t242, label %range5560, label %inrange5561
+range5560:
+  call void @finch_panic_index(ptr @.str.3557, i64 2820, i64 0, i64 %t241)
   unreachable
-inrange5225:
-  %t238 = extractvalue { ptr, i64, i64 } %t235, 0
-  %t239 = getelementptr inbounds %S.ast.Type, ptr %t238, i64 0
-  %t240 = load %S.ast.Type, ptr %t239
-  %t241 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t242 = load i64, ptr %a177
-  %t243 = mul i64 2, %t242
-  %t244 = load { ptr, i64, i64 }, ptr %t241
-  %t245 = extractvalue { ptr, i64, i64 } %t244, 1
-  %t246 = icmp uge i64 %t243, %t245
-  br i1 %t246, label %range5226, label %inrange5227
-range5226:
-  call void @finch_panic_index(ptr @.str.3411, i64 2601, i64 %t243, i64 %t245)
+inrange5561:
+  %t243 = extractvalue { ptr, i64, i64 } %t240, 0
+  %t244 = getelementptr inbounds %S.ast.Type, ptr %t243, i64 0
+  %t245 = load %S.ast.Type, ptr %t244
+  %t246 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t247 = load i64, ptr %a198
+  %t248 = mul i64 2, %t247
+  %t249 = load { ptr, i64, i64 }, ptr %t246
+  %t250 = extractvalue { ptr, i64, i64 } %t249, 1
+  %t251 = icmp uge i64 %t248, %t250
+  br i1 %t251, label %range5562, label %inrange5563
+range5562:
+  call void @finch_panic_index(ptr @.str.3558, i64 2820, i64 %t248, i64 %t250)
   unreachable
-inrange5227:
-  %t247 = extractvalue { ptr, i64, i64 } %t244, 0
-  %t248 = getelementptr inbounds %S.ast.Node, ptr %t247, i64 %t243
-  %t249 = load %S.ast.Node, ptr %t248
-  %t250 = call %S.gen.Val @finch.gen.coerce(ptr %t232, %S.gen.Val %t233, %S.ast.Type %t240, %S.ast.Node %t249, { ptr, i64, i64 } { ptr @.str.3412, i64 21, i64 0 })
-  store %S.gen.Val %t250, ptr %a184
-  %t251 = load ptr, ptr %a1
-  %t252 = load %S.gen.Val, ptr %a189
-  %t253 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t254 = load { ptr, i64, i64 }, ptr %t253
-  %t255 = extractvalue { ptr, i64, i64 } %t254, 1
-  %t256 = icmp uge i64 1, %t255
-  br i1 %t256, label %range5228, label %inrange5229
-range5228:
-  call void @finch_panic_index(ptr @.str.3413, i64 2602, i64 1, i64 %t255)
+inrange5563:
+  %t252 = extractvalue { ptr, i64, i64 } %t249, 0
+  %t253 = getelementptr inbounds %S.ast.Node, ptr %t252, i64 %t248
+  %t254 = load %S.ast.Node, ptr %t253
+  %t255 = call %S.gen.Val @finch.gen.coerce(ptr %t237, %S.gen.Val %t238, %S.ast.Type %t245, %S.ast.Node %t254, { ptr, i64, i64 } { ptr @.str.3559, i64 21, i64 0 })
+  %t256 = load %S.gen.Val, ptr %a211
+  store %S.gen.Val %t255, ptr %a211
+  store %S.gen.Val %t256, ptr %a257
+  call void @finch.drop.S_gen_Val(ptr %a257)
+  %t258 = load ptr, ptr %a1
+  %t259 = load %S.gen.Val, ptr %a211
+  call void @finch.gen.hold(ptr %t258, %S.gen.Val %t259)
+  %t260 = load %S.gen.Val, ptr %a11
+  store %S.gen.Val %t260, ptr %a261
+  call void @finch.copy.S_gen_Val(ptr %a262, ptr %a261)
+  %t263 = load %S.gen.Val, ptr %a262
+  store %S.gen.Val %t263, ptr %a264
+  %t265 = load i64, ptr %a198
+  %t266 = icmp eq i64 %t265, 0
+  br label %logic.from5564
+logic.from5564:
+  br i1 %t266, label %logic.rhs5565, label %logic.end5566
+logic.rhs5565:
+  %t267 = load i1, ptr %a9
+  br label %logic.rend5567
+logic.rend5567:
+  br label %logic.end5566
+logic.end5566:
+  %t268 = phi i1 [ false, %logic.from5564 ], [ %t267, %logic.rend5567 ]
+  %t269 = xor i1 %t268, true
+  br i1 %t269, label %then5568, label %endif5570
+then5568:
+  %t270 = load ptr, ptr %a1
+  %t271 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t272 = load i64, ptr %a198
+  %t273 = mul i64 2, %t272
+  %t274 = add i64 %t273, 1
+  %t275 = load { ptr, i64, i64 }, ptr %t271
+  %t276 = extractvalue { ptr, i64, i64 } %t275, 1
+  %t277 = icmp uge i64 %t274, %t276
+  br i1 %t277, label %range5571, label %inrange5572
+range5571:
+  call void @finch_panic_index(ptr @.str.3560, i64 2824, i64 %t274, i64 %t276)
   unreachable
-inrange5229:
-  %t257 = extractvalue { ptr, i64, i64 } %t254, 0
-  %t258 = getelementptr inbounds %S.ast.Type, ptr %t257, i64 1
-  %t259 = load %S.ast.Type, ptr %t258
-  %t260 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t261 = load i64, ptr %a177
-  %t262 = mul i64 2, %t261
-  %t263 = add i64 %t262, 1
-  %t264 = load { ptr, i64, i64 }, ptr %t260
-  %t265 = extractvalue { ptr, i64, i64 } %t264, 1
-  %t266 = icmp uge i64 %t263, %t265
-  br i1 %t266, label %range5230, label %inrange5231
-range5230:
-  call void @finch_panic_index(ptr @.str.3414, i64 2602, i64 %t263, i64 %t265)
+inrange5572:
+  %t278 = extractvalue { ptr, i64, i64 } %t275, 0
+  %t279 = getelementptr inbounds %S.ast.Node, ptr %t278, i64 %t274
+  %t280 = load %S.ast.Node, ptr %t279
+  %t281 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t282 = load { ptr, i64, i64 }, ptr %t281
+  %t283 = extractvalue { ptr, i64, i64 } %t282, 1
+  %t284 = icmp uge i64 1, %t283
+  br i1 %t284, label %range5573, label %inrange5574
+range5573:
+  call void @finch_panic_index(ptr @.str.3561, i64 2824, i64 1, i64 %t283)
   unreachable
-inrange5231:
-  %t267 = extractvalue { ptr, i64, i64 } %t264, 0
-  %t268 = getelementptr inbounds %S.ast.Node, ptr %t267, i64 %t263
-  %t269 = load %S.ast.Node, ptr %t268
-  %t270 = call %S.gen.Val @finch.gen.coerce(ptr %t251, %S.gen.Val %t252, %S.ast.Type %t259, %S.ast.Node %t269, { ptr, i64, i64 } { ptr @.str.3415, i64 23, i64 0 })
-  store %S.gen.Val %t270, ptr %a189
-  %t271 = load ptr, ptr %a1
-  %t272 = load %S.gen.Val, ptr %a189
-  %t273 = call { ptr, i64, i64 } @finch.gen.own(ptr %t271, %S.gen.Val %t272)
-  store { ptr, i64, i64 } %t273, ptr %a274
-  %t275 = load ptr, ptr %a1
-  %t276 = load { ptr, i64, i64 }, ptr %a167
-  %t277 = load %S.ast.Type, ptr %a8
-  %t278 = load %S.gen.Val, ptr %a184
-  %t279 = load %S.ast.Node, ptr %a2
-  %t280 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t275, { ptr, i64, i64 } %t276, %S.ast.Type %t277, %S.gen.Val %t278, i1 false, %S.ast.Node %t279)
-  store { ptr, i64, i64 } %t280, ptr %a281
-  %t282 = load ptr, ptr %a1
-  %t283 = load ptr, ptr %a1
-  %t284 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
-  %t285 = load { ptr, i64, i64 }, ptr %t284
-  %t286 = extractvalue { ptr, i64, i64 } %t285, 1
-  %t287 = icmp uge i64 1, %t286
-  br i1 %t287, label %range5232, label %inrange5233
-range5232:
-  call void @finch_panic_index(ptr @.str.3416, i64 2605, i64 1, i64 %t286)
+inrange5574:
+  %t285 = extractvalue { ptr, i64, i64 } %t282, 0
+  %t286 = getelementptr inbounds %S.ast.Type, ptr %t285, i64 1
+  %t287 = load %S.ast.Type, ptr %t286
+  %t288 = call %S.gen.Val @finch.gen.exprWant(ptr %t270, %S.ast.Node %t280, %S.ast.Type %t287)
+  %t289 = load %S.gen.Val, ptr %a264
+  store %S.gen.Val %t288, ptr %a264
+  store %S.gen.Val %t289, ptr %a290
+  call void @finch.drop.S_gen_Val(ptr %a290)
+  br label %endif5570
+endif5570:
+  %t291 = load ptr, ptr %a1
+  %t292 = load %S.gen.Val, ptr %a264
+  %t293 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t294 = load { ptr, i64, i64 }, ptr %t293
+  %t295 = extractvalue { ptr, i64, i64 } %t294, 1
+  %t296 = icmp uge i64 1, %t295
+  br i1 %t296, label %range5575, label %inrange5576
+range5575:
+  call void @finch_panic_index(ptr @.str.3562, i64 2826, i64 1, i64 %t295)
   unreachable
-inrange5233:
-  %t288 = extractvalue { ptr, i64, i64 } %t285, 0
-  %t289 = getelementptr inbounds %S.ast.Type, ptr %t288, i64 1
-  %t290 = load %S.ast.Type, ptr %t289
-  %t291 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t283, %S.ast.Type %t290)
-  %t292 = load { ptr, i64, i64 }, ptr %a274
-  %t293 = load ptr, ptr %a1
-  %t294 = load { ptr, i64, i64 }, ptr %a281
-  %t295 = load %S.ast.Type, ptr %a8
-  %t296 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t293, { ptr, i64, i64 } %t294, %S.ast.Type %t295, i64 2)
-  call void @finch.gen.store(ptr %t282, { ptr, i64, i64 } %t291, { ptr, i64, i64 } %t292, { ptr, i64, i64 } %t296)
-  br label %for.step5207
-for.step5207:
-  %t297 = load i64, ptr %a177
-  %t298 = add i64 %t297, 1
-  store i64 %t298, ptr %a177
-  br label %for.cond5205
-for.end5208:
-  %t299 = load ptr, ptr %a1
-  %t300 = load ptr, ptr %a1
-  %t301 = load %S.ast.Type, ptr %a8
-  %t302 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t300, %S.ast.Type %t301)
-  %t303 = load { ptr, i64, i64 }, ptr %a167
-  %t304 = call { ptr, i64, i64 } @finch.gen.load(ptr %t299, { ptr, i64, i64 } %t302, { ptr, i64, i64 } %t303)
-  %t305 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t304, 0
-  %t306 = load %S.ast.Type, ptr %a8
-  store %S.ast.Type %t306, ptr %a307
-  call void @finch.copy.S_ast_Type(ptr %a308, ptr %a307)
-  %t309 = load %S.ast.Type, ptr %a308
-  %t310 = insertvalue %S.gen.Val %t305, %S.ast.Type %t309, 1
-  %t311 = insertvalue %S.gen.Val %t310, i1 true, 2
-  ret %S.gen.Val %t311
+inrange5576:
+  %t297 = extractvalue { ptr, i64, i64 } %t294, 0
+  %t298 = getelementptr inbounds %S.ast.Type, ptr %t297, i64 1
+  %t299 = load %S.ast.Type, ptr %t298
+  %t300 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t301 = load i64, ptr %a198
+  %t302 = mul i64 2, %t301
+  %t303 = add i64 %t302, 1
+  %t304 = load { ptr, i64, i64 }, ptr %t300
+  %t305 = extractvalue { ptr, i64, i64 } %t304, 1
+  %t306 = icmp uge i64 %t303, %t305
+  br i1 %t306, label %range5577, label %inrange5578
+range5577:
+  call void @finch_panic_index(ptr @.str.3563, i64 2826, i64 %t303, i64 %t305)
+  unreachable
+inrange5578:
+  %t307 = extractvalue { ptr, i64, i64 } %t304, 0
+  %t308 = getelementptr inbounds %S.ast.Node, ptr %t307, i64 %t303
+  %t309 = load %S.ast.Node, ptr %t308
+  %t310 = call %S.gen.Val @finch.gen.coerce(ptr %t291, %S.gen.Val %t292, %S.ast.Type %t299, %S.ast.Node %t309, { ptr, i64, i64 } { ptr @.str.3564, i64 23, i64 0 })
+  %t311 = load %S.gen.Val, ptr %a264
+  store %S.gen.Val %t310, ptr %a264
+  store %S.gen.Val %t311, ptr %a312
+  call void @finch.drop.S_gen_Val(ptr %a312)
+  %t313 = load ptr, ptr %a1
+  %t314 = load %S.gen.Val, ptr %a264
+  %t315 = call { ptr, i64, i64 } @finch.gen.own(ptr %t313, %S.gen.Val %t314)
+  store { ptr, i64, i64 } %t315, ptr %a316
+  %t317 = load ptr, ptr %a1
+  %t318 = load { ptr, i64, i64 }, ptr %a178
+  %t319 = load %S.ast.Type, ptr %a8
+  %t320 = load %S.gen.Val, ptr %a211
+  %t321 = load %S.ast.Node, ptr %a2
+  %t322 = call { ptr, i64, i64 } @finch.gen.mapSlot(ptr %t317, { ptr, i64, i64 } %t318, %S.ast.Type %t319, %S.gen.Val %t320, i1 false, %S.ast.Node %t321)
+  store { ptr, i64, i64 } %t322, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = load { ptr, i64, i64 }, ptr %a323
+  %t326 = load %S.ast.Type, ptr %a8
+  %t327 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t324, { ptr, i64, i64 } %t325, %S.ast.Type %t326, i64 2)
+  store { ptr, i64, i64 } %t327, ptr %a328
+  %t329 = load ptr, ptr %a1
+  %t330 = load { ptr, i64, i64 }, ptr %a328
+  %t331 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t332 = load { ptr, i64, i64 }, ptr %t331
+  %t333 = extractvalue { ptr, i64, i64 } %t332, 1
+  %t334 = icmp uge i64 1, %t333
+  br i1 %t334, label %range5579, label %inrange5580
+range5579:
+  call void @finch_panic_index(ptr @.str.3565, i64 2830, i64 1, i64 %t333)
+  unreachable
+inrange5580:
+  %t335 = extractvalue { ptr, i64, i64 } %t332, 0
+  %t336 = getelementptr inbounds %S.ast.Type, ptr %t335, i64 1
+  %t337 = load %S.ast.Type, ptr %t336
+  call void @finch.gen.dropAt(ptr %t329, { ptr, i64, i64 } %t330, %S.ast.Type %t337)
+  %t338 = load ptr, ptr %a1
+  %t339 = load ptr, ptr %a1
+  %t340 = getelementptr inbounds %S.ast.Type, ptr %a8, i32 0, i32 1
+  %t341 = load { ptr, i64, i64 }, ptr %t340
+  %t342 = extractvalue { ptr, i64, i64 } %t341, 1
+  %t343 = icmp uge i64 1, %t342
+  br i1 %t343, label %range5581, label %inrange5582
+range5581:
+  call void @finch_panic_index(ptr @.str.3566, i64 2831, i64 1, i64 %t342)
+  unreachable
+inrange5582:
+  %t344 = extractvalue { ptr, i64, i64 } %t341, 0
+  %t345 = getelementptr inbounds %S.ast.Type, ptr %t344, i64 1
+  %t346 = load %S.ast.Type, ptr %t345
+  %t347 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t339, %S.ast.Type %t346)
+  %t348 = load { ptr, i64, i64 }, ptr %a316
+  %t349 = load { ptr, i64, i64 }, ptr %a328
+  call void @finch.gen.store(ptr %t338, { ptr, i64, i64 } %t347, { ptr, i64, i64 } %t348, { ptr, i64, i64 } %t349)
+  store { ptr, i64, i64 } %t347, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  %t351 = load ptr, ptr %a1
+  %t352 = load %S.gen.Val, ptr %a211
+  call void @finch.gen.release(ptr %t351, %S.gen.Val %t352)
+  %t353 = load ptr, ptr %a1
+  %t354 = load i64, ptr %a206
+  call void @finch.gen.heldEnd(ptr %t353, i64 %t354)
+  call void @finch_str_drop(ptr %a328)
+  call void @finch_str_drop(ptr %a323)
+  call void @finch_str_drop(ptr %a316)
+  call void @finch.drop.S_gen_Val(ptr %a264)
+  call void @finch.drop.S_gen_Val(ptr %a211)
+  br label %for.step5545
+for.step5545:
+  %t355 = load i64, ptr %a198
+  %t356 = add i64 %t355, 1
+  store i64 %t356, ptr %a198
+  br label %for.cond5543
+for.end5546:
+  %t357 = load ptr, ptr %a1
+  %t358 = load i64, ptr %a190
+  call void @finch.gen.heldEnd(ptr %t357, i64 %t358)
+  %t359 = load ptr, ptr %a1
+  %t360 = load ptr, ptr %a1
+  %t361 = load %S.ast.Type, ptr %a8
+  %t362 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t360, %S.ast.Type %t361)
+  %t363 = load { ptr, i64, i64 }, ptr %a178
+  %t364 = call { ptr, i64, i64 } @finch.gen.load(ptr %t359, { ptr, i64, i64 } %t362, { ptr, i64, i64 } %t363)
+  store { ptr, i64, i64 } %t362, ptr %a365
+  call void @finch_str_drop(ptr %a365)
+  %t366 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t364, 0
+  %t367 = load %S.ast.Type, ptr %a8
+  store %S.ast.Type %t367, ptr %a368
+  call void @finch.copy.S_ast_Type(ptr %a369, ptr %a368)
+  %t370 = load %S.ast.Type, ptr %a369
+  %t371 = insertvalue %S.gen.Val %t366, %S.ast.Type %t370, 1
+  %t372 = insertvalue %S.gen.Val %t371, i1 true, 2
+  call void @finch_str_drop(ptr %a178)
+  call void @finch.drop.S_gen_Val(ptr %a11)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_ast_Type(ptr %a8)
+  ret %S.gen.Val %t372
 }
 
 define internal %S.gen.Val @finch.gen.mapMethod(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3) {
@@ -47892,189 +56528,296 @@ entry:
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca %S.gen.Val, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca %S.gen.Val, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca %S.gen.Val, align 16
+  %a278 = alloca %S.gen.Val, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
   %a295 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca %S.ast.Type, align 16
-  %a301 = alloca %S.ast.Type, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
   %a319 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
   %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a330 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca i64, align 16
-  %a344 = alloca %S.ast.Type, align 16
-  %a345 = alloca %S.ast.Type, align 16
-  %a347 = alloca %S.ast.Type, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca %S.ast.Type, align 16
-  %a355 = alloca %S.ast.Type, align 16
-  %a359 = alloca %S.ast.Type, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca %S.ast.Type, align 16
+  %a351 = alloca %S.ast.Type, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
   %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
   %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
   %a396 = alloca { ptr, i64, i64 }, align 16
   %a397 = alloca { ptr, i64, i64 }, align 16
-  %a398 = alloca { ptr, i64, i64 }, align 16
-  %a401 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
   %a403 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
   %a407 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
   %a418 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
   %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
   %a439 = alloca { ptr, i64, i64 }, align 16
   %a440 = alloca { ptr, i64, i64 }, align 16
-  %a443 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
   %a445 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
   %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
-  %a468 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
   %a474 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
-  %a488 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca i64, align 16
+  %a501 = alloca %S.ast.Type, align 16
+  %a502 = alloca %S.ast.Type, align 16
+  %a504 = alloca %S.ast.Type, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
-  %a510 = alloca { ptr, i64, i64 }, align 16
-  %a511 = alloca { ptr, i64, i64 }, align 16
-  %a514 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
-  %a525 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca %S.ast.Type, align 16
+  %a512 = alloca %S.ast.Type, align 16
+  %a515 = alloca %S.ast.Type, align 16
+  %a518 = alloca %S.ast.Type, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a530 = alloca { ptr, i64, i64 }, align 16
+  %a531 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
   %a541 = alloca { ptr, i64, i64 }, align 16
   %a542 = alloca { ptr, i64, i64 }, align 16
   %a543 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca %S.ast.Type, align 16
-  %a559 = alloca %S.ast.Type, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
   %a567 = alloca { ptr, i64, i64 }, align 16
   %a568 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
   %a570 = alloca { ptr, i64, i64 }, align 16
-  %a571 = alloca { ptr, i64, i64 }, align 16
   %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a598 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a613 = alloca { ptr, i64, i64 }, align 16
+  %a614 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca { ptr, i64, i64 }, align 16
+  %a618 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a649 = alloca { ptr, i64, i64 }, align 16
+  %a652 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a662 = alloca { ptr, i64, i64 }, align 16
+  %a663 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
+  %a690 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
+  %a693 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca { ptr, i64, i64 }, align 16
+  %a699 = alloca { ptr, i64, i64 }, align 16
+  %a700 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a704 = alloca { ptr, i64, i64 }, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a707 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
+  %a711 = alloca { ptr, i64, i64 }, align 16
+  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a713 = alloca { ptr, i64, i64 }, align 16
+  %a716 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a728 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a732 = alloca { ptr, i64, i64 }, align 16
+  %a733 = alloca { ptr, i64, i64 }, align 16
+  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca %S.ast.Type, align 16
+  %a753 = alloca %S.ast.Type, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a764 = alloca { ptr, i64, i64 }, align 16
+  %a765 = alloca { ptr, i64, i64 }, align 16
+  %a766 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -48089,11 +56832,11 @@ entry:
   %t12 = load { ptr, i64, i64 }, ptr %t11
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 0, %t13
-  br i1 %t14, label %range5234, label %inrange5235
-range5234:
-  call void @finch_panic_index(ptr @.str.3417, i64 2612, i64 0, i64 %t13)
+  br i1 %t14, label %range5583, label %inrange5584
+range5583:
+  call void @finch_panic_index(ptr @.str.3567, i64 2841, i64 0, i64 %t13)
   unreachable
-inrange5235:
+inrange5584:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 0
   %t17 = load %S.ast.Type, ptr %t16
@@ -48105,11 +56848,11 @@ inrange5235:
   %t23 = load { ptr, i64, i64 }, ptr %t22
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 1, %t24
-  br i1 %t25, label %range5236, label %inrange5237
-range5236:
-  call void @finch_panic_index(ptr @.str.3418, i64 2613, i64 1, i64 %t24)
+  br i1 %t25, label %range5585, label %inrange5586
+range5585:
+  call void @finch_panic_index(ptr @.str.3568, i64 2842, i64 1, i64 %t24)
   unreachable
-inrange5237:
+inrange5586:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds %S.ast.Type, ptr %t26, i64 1
   %t28 = load %S.ast.Type, ptr %t27
@@ -48119,69 +56862,69 @@ inrange5237:
   store %S.ast.Type %t31, ptr %a32
   %t33 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3419, i64 3, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3569, i64 3, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br label %logic.from5238
-logic.from5238:
-  br i1 %t37, label %logic.end5240, label %logic.rhs5239
-logic.rhs5239:
+  br label %logic.from5587
+logic.from5587:
+  br i1 %t37, label %logic.end5589, label %logic.rhs5588
+logic.rhs5588:
   %t38 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.3420, i64 3, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.3570, i64 3, i64 0 }, ptr %a40
   %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
   %t42 = icmp ne i32 %t41, 0
-  br label %logic.rend5241
-logic.rend5241:
-  br label %logic.end5240
-logic.end5240:
-  %t43 = phi i1 [ true, %logic.from5238 ], [ %t42, %logic.rend5241 ]
-  br label %logic.from5242
-logic.from5242:
-  br i1 %t43, label %logic.end5244, label %logic.rhs5243
-logic.rhs5243:
+  br label %logic.rend5590
+logic.rend5590:
+  br label %logic.end5589
+logic.end5589:
+  %t43 = phi i1 [ true, %logic.from5587 ], [ %t42, %logic.rend5590 ]
+  br label %logic.from5591
+logic.from5591:
+  br i1 %t43, label %logic.end5593, label %logic.rhs5592
+logic.rhs5592:
   %t44 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.3421, i64 6, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.3571, i64 6, i64 0 }, ptr %a46
   %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
   %t48 = icmp ne i32 %t47, 0
-  br label %logic.rend5245
-logic.rend5245:
-  br label %logic.end5244
-logic.end5244:
-  %t49 = phi i1 [ true, %logic.from5242 ], [ %t48, %logic.rend5245 ]
-  br i1 %t49, label %then5246, label %endif5248
-then5246:
+  br label %logic.rend5594
+logic.rend5594:
+  br label %logic.end5593
+logic.end5593:
+  %t49 = phi i1 [ true, %logic.from5591 ], [ %t48, %logic.rend5594 ]
+  br i1 %t49, label %then5595, label %endif5597
+then5595:
   %t50 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t50, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.3422, i64 3, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3572, i64 3, i64 0 }, ptr %a52
   %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
   %t54 = icmp ne i32 %t53, 0
-  br i1 %t54, label %then5249, label %else5250
-then5249:
+  br i1 %t54, label %then5598, label %else5599
+then5598:
   %t55 = load ptr, ptr %a1
   %t56 = load %S.ast.Node, ptr %a2
   %t57 = load { ptr, i64, i64 }, ptr %a10
   call void @finch.gen.checkArgs(ptr %t55, %S.ast.Node %t56, i64 1, i64 2, { ptr, i64, i64 } %t57)
-  br label %endif5251
-else5250:
+  br label %endif5600
+else5599:
   %t58 = load ptr, ptr %a1
   %t59 = load %S.ast.Node, ptr %a2
   %t60 = load { ptr, i64, i64 }, ptr %a10
   call void @finch.gen.checkArgs(ptr %t58, %S.ast.Node %t59, i64 1, i64 1, { ptr, i64, i64 } %t60)
-  br label %endif5251
-endif5251:
+  br label %endif5600
+endif5600:
   %t61 = load ptr, ptr %a1
   %t62 = load ptr, ptr %a1
   %t63 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t64 = load { ptr, i64, i64 }, ptr %t63
   %t65 = extractvalue { ptr, i64, i64 } %t64, 1
   %t66 = icmp uge i64 1, %t65
-  br i1 %t66, label %range5252, label %inrange5253
-range5252:
-  call void @finch_panic_index(ptr @.str.3423, i64 2620, i64 1, i64 %t65)
+  br i1 %t66, label %range5601, label %inrange5602
+range5601:
+  call void @finch_panic_index(ptr @.str.3573, i64 2849, i64 1, i64 %t65)
   unreachable
-inrange5253:
+inrange5602:
   %t67 = extractvalue { ptr, i64, i64 } %t64, 0
   %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 1
   %t69 = load %S.ast.Node, ptr %t68
@@ -48192,584 +56935,944 @@ inrange5253:
   %t74 = load { ptr, i64, i64 }, ptr %t73
   %t75 = extractvalue { ptr, i64, i64 } %t74, 1
   %t76 = icmp uge i64 1, %t75
-  br i1 %t76, label %range5254, label %inrange5255
-range5254:
-  call void @finch_panic_index(ptr @.str.3424, i64 2620, i64 1, i64 %t75)
+  br i1 %t76, label %range5603, label %inrange5604
+range5603:
+  call void @finch_panic_index(ptr @.str.3574, i64 2849, i64 1, i64 %t75)
   unreachable
-inrange5255:
+inrange5604:
   %t77 = extractvalue { ptr, i64, i64 } %t74, 0
   %t78 = getelementptr inbounds %S.ast.Node, ptr %t77, i64 1
   %t79 = load %S.ast.Node, ptr %t78
-  %t80 = call %S.gen.Val @finch.gen.coerce(ptr %t61, %S.gen.Val %t71, %S.ast.Type %t72, %S.ast.Node %t79, { ptr, i64, i64 } { ptr @.str.3425, i64 7, i64 0 })
-  store %S.gen.Val %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = load { ptr, i64, i64 }, ptr %a3
-  %t84 = load ptr, ptr %a1
-  %t85 = load %S.gen.Val, ptr %a81
-  %t86 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t84, %S.gen.Val %t85)
-  %t87 = load %S.ast.Type, ptr %a4
-  %t88 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t82, { ptr, i64, i64 } %t83, { ptr, i64, i64 } %t86, %S.ast.Type %t87)
-  store { ptr, i64, i64 } %t88, ptr %a89
-  %t90 = load ptr, ptr %a1
-  %t91 = load { ptr, i64, i64 }, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.3426, i64 13, i64 0 }, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.3427, i64 3, i64 0 }, ptr %a98
+  %t80 = call %S.gen.Val @finch.gen.coerce(ptr %t61, %S.gen.Val %t71, %S.ast.Type %t72, %S.ast.Node %t79, { ptr, i64, i64 } { ptr @.str.3575, i64 7, i64 0 })
+  store %S.gen.Val %t71, ptr %a81
+  call void @finch.drop.S_gen_Val(ptr %a81)
+  store %S.gen.Val %t80, ptr %a82
+  %t83 = load ptr, ptr %a1
+  %t84 = load { ptr, i64, i64 }, ptr %a3
+  %t85 = load ptr, ptr %a1
+  %t86 = load %S.gen.Val, ptr %a82
+  %t87 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t85, %S.gen.Val %t86)
+  %t88 = load %S.ast.Type, ptr %a4
+  %t89 = call { ptr, i64, i64 } @finch.gen.mapFind(ptr %t83, { ptr, i64, i64 } %t84, { ptr, i64, i64 } %t87, %S.ast.Type %t88)
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  store { ptr, i64, i64 } %t89, ptr %a91
+  %t92 = load ptr, ptr %a1
+  %t93 = load %S.gen.Val, ptr %a82
+  call void @finch.gen.release(ptr %t92, %S.gen.Val %t93)
+  %t94 = load ptr, ptr %a1
+  %t95 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.3576, i64 13, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
   call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
   %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = call { ptr, i64, i64 } @finch.gen.op(ptr %t90, { ptr, i64, i64 } %t99)
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t102, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.3428, i64 3, i64 0 }, ptr %a104
-  %t105 = call i32 @finch_str_eq(ptr %a103, ptr %a104)
-  %t106 = icmp ne i32 %t105, 0
-  br i1 %t106, label %then5256, label %endif5258
-then5256:
-  %t107 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t107, ptr %a108
-  call void @finch_str_copy(ptr %a109, ptr %a108)
-  %t110 = load { ptr, i64, i64 }, ptr %a109
-  %t111 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t110, 0
-  %t112 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3429, i64 4, i64 0 })
-  %t113 = insertvalue %S.gen.Val %t111, %S.ast.Type %t112, 1
-  ret %S.gen.Val %t113
-endif5258:
-  %t114 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t114, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.3430, i64 6, i64 0 }, ptr %a116
-  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
-  %t118 = icmp ne i32 %t117, 0
-  br i1 %t118, label %then5259, label %endif5261
-then5259:
-  %t119 = load ptr, ptr %a1
-  %t120 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t119, { ptr, i64, i64 } { ptr @.str.3431, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t99, ptr %a101
+  store { ptr, i64, i64 } { ptr @.str.3577, i64 3, i64 0 }, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t99, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  %t105 = call { ptr, i64, i64 } @finch.gen.op(ptr %t94, { ptr, i64, i64 } %t104)
+  store { ptr, i64, i64 } %t104, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  store { ptr, i64, i64 } %t105, ptr %a107
+  %t108 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.3578, i64 3, i64 0 }, ptr %a110
+  %t111 = call i32 @finch_str_eq(ptr %a109, ptr %a110)
+  %t112 = icmp ne i32 %t111, 0
+  br i1 %t112, label %then5605, label %endif5607
+then5605:
+  %t113 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t113, ptr %a114
+  call void @finch_str_copy(ptr %a115, ptr %a114)
+  %t116 = load { ptr, i64, i64 }, ptr %a115
+  %t117 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t116, 0
+  %t118 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3579, i64 4, i64 0 })
+  %t119 = insertvalue %S.gen.Val %t117, %S.ast.Type %t118, 1
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a91)
+  call void @finch.drop.S_gen_Val(ptr %a82)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t119
+endif5607:
+  %t120 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t120, ptr %a121
-  %t122 = load ptr, ptr %a1
-  %t123 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t122, { ptr, i64, i64 } { ptr @.str.3432, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t123, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.3580, i64 6, i64 0 }, ptr %a122
+  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
+  %t124 = icmp ne i32 %t123, 0
+  br i1 %t124, label %then5608, label %endif5610
+then5608:
   %t125 = load ptr, ptr %a1
-  %t126 = load { ptr, i64, i64 }, ptr %a101
-  %t127 = load { ptr, i64, i64 }, ptr %a121
-  %t128 = load { ptr, i64, i64 }, ptr %a124
-  call void @finch.gen.condBr(ptr %t125, { ptr, i64, i64 } %t126, { ptr, i64, i64 } %t127, { ptr, i64, i64 } %t128)
-  %t129 = load ptr, ptr %a1
-  %t130 = load { ptr, i64, i64 }, ptr %a121
-  call void @finch.gen.label(ptr %t129, { ptr, i64, i64 } %t130)
+  %t126 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t125, { ptr, i64, i64 } { ptr @.str.3581, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t126, ptr %a127
+  %t128 = load ptr, ptr %a1
+  %t129 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t128, { ptr, i64, i64 } { ptr @.str.3582, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t129, ptr %a130
   %t131 = load ptr, ptr %a1
-  %t132 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.3433, i64 35, i64 0 }, ptr %a134
-  store { ptr, i64, i64 } %t132, ptr %a135
-  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
-  %t136 = load { ptr, i64, i64 }, ptr %a133
-  store { ptr, i64, i64 } %t136, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.3434, i64 6, i64 0 }, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  %t141 = load { ptr, i64, i64 }, ptr %a89
-  store { ptr, i64, i64 } %t140, ptr %a143
-  store { ptr, i64, i64 } %t141, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  %t132 = load { ptr, i64, i64 }, ptr %a107
+  %t133 = load { ptr, i64, i64 }, ptr %a127
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  call void @finch.gen.condBr(ptr %t131, { ptr, i64, i64 } %t132, { ptr, i64, i64 } %t133, { ptr, i64, i64 } %t134)
+  %t135 = load ptr, ptr %a1
+  %t136 = load { ptr, i64, i64 }, ptr %a127
+  call void @finch.gen.label(ptr %t135, { ptr, i64, i64 } %t136)
+  %t137 = load ptr, ptr %a1
+  %t138 = load { ptr, i64, i64 }, ptr %a3
+  %t139 = load %S.ast.Type, ptr %a4
+  %t140 = load { ptr, i64, i64 }, ptr %a91
+  %t141 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t137, { ptr, i64, i64 } %t138, %S.ast.Type %t139, { ptr, i64, i64 } %t140)
+  store { ptr, i64, i64 } %t141, ptr %a142
+  %t143 = load ptr, ptr %a1
+  %t144 = load ptr, ptr %a1
   %t145 = load { ptr, i64, i64 }, ptr %a142
-  store { ptr, i64, i64 } %t145, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.3435, i64 6, i64 0 }, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
+  %t146 = load %S.ast.Type, ptr %a4
+  %t147 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t144, { ptr, i64, i64 } %t145, %S.ast.Type %t146, i64 1)
+  %t148 = load %S.ast.Type, ptr %a21
+  call void @finch.gen.dropAt(ptr %t143, { ptr, i64, i64 } %t147, %S.ast.Type %t148)
+  store { ptr, i64, i64 } %t147, ptr %a149
+  call void @finch_str_drop(ptr %a149)
   %t150 = load ptr, ptr %a1
-  %t151 = load %S.ast.Type, ptr %a4
-  %t152 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t150, %S.ast.Type %t151)
-  store { ptr, i64, i64 } %t149, ptr %a154
-  store { ptr, i64, i64 } %t152, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t156, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.3436, i64 1, i64 0 }, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  call void @finch.gen.emit(ptr %t131, { ptr, i64, i64 } %t160)
-  %t161 = load ptr, ptr %a1
-  %t162 = load { ptr, i64, i64 }, ptr %a124
-  call void @finch.gen.br(ptr %t161, { ptr, i64, i64 } %t162)
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a124
-  call void @finch.gen.label(ptr %t163, { ptr, i64, i64 } %t164)
-  %t165 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t165, ptr %a166
-  call void @finch_str_copy(ptr %a167, ptr %a166)
-  %t168 = load { ptr, i64, i64 }, ptr %a167
-  %t169 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t168, 0
-  %t170 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3437, i64 4, i64 0 })
-  %t171 = insertvalue %S.gen.Val %t169, %S.ast.Type %t170, 1
-  ret %S.gen.Val %t171
-endif5261:
-  %t172 = load ptr, ptr %a1
-  %t173 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t172, { ptr, i64, i64 } { ptr @.str.3438, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t173, ptr %a174
-  %t175 = load ptr, ptr %a1
-  %t176 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t175, { ptr, i64, i64 } { ptr @.str.3439, i64 11, i64 0 })
-  store { ptr, i64, i64 } %t176, ptr %a177
-  %t178 = load ptr, ptr %a1
-  %t179 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t178, { ptr, i64, i64 } { ptr @.str.3440, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t179, ptr %a180
-  %t181 = load ptr, ptr %a1
-  %t182 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t181, { ptr, i64, i64 } { ptr @.str.3441, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t182, ptr %a183
-  %t184 = load ptr, ptr %a1
-  %t185 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t184, { ptr, i64, i64 } { ptr @.str.3442, i64 7, i64 0 })
-  store { ptr, i64, i64 } %t185, ptr %a186
-  %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a101
-  %t189 = load { ptr, i64, i64 }, ptr %a174
-  %t190 = load { ptr, i64, i64 }, ptr %a177
-  call void @finch.gen.condBr(ptr %t187, { ptr, i64, i64 } %t188, { ptr, i64, i64 } %t189, { ptr, i64, i64 } %t190)
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a174
-  call void @finch.gen.label(ptr %t191, { ptr, i64, i64 } %t192)
-  %t193 = load ptr, ptr %a1
+  %t151 = load ptr, ptr %a1
+  %t152 = load { ptr, i64, i64 }, ptr %a142
+  %t153 = load %S.ast.Type, ptr %a4
+  %t154 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t151, { ptr, i64, i64 } %t152, %S.ast.Type %t153, i64 2)
+  %t155 = load %S.ast.Type, ptr %a32
+  call void @finch.gen.dropAt(ptr %t150, { ptr, i64, i64 } %t154, %S.ast.Type %t155)
+  store { ptr, i64, i64 } %t154, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load ptr, ptr %a1
+  %t158 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.3583, i64 35, i64 0 }, ptr %a160
+  store { ptr, i64, i64 } %t158, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  %t162 = load { ptr, i64, i64 }, ptr %a159
+  store { ptr, i64, i64 } %t162, ptr %a164
+  store { ptr, i64, i64 } { ptr @.str.3584, i64 6, i64 0 }, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t162, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  %t168 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } %t167, ptr %a170
+  store { ptr, i64, i64 } %t168, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t167, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t173, ptr %a175
+  store { ptr, i64, i64 } { ptr @.str.3585, i64 6, i64 0 }, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t173, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  %t179 = load ptr, ptr %a1
+  %t180 = load %S.ast.Type, ptr %a4
+  %t181 = call { ptr, i64, i64 } @finch.gen.entrySize(ptr %t179, %S.ast.Type %t180)
+  store { ptr, i64, i64 } %t178, ptr %a183
+  store { ptr, i64, i64 } %t181, ptr %a184
+  call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
+  store { ptr, i64, i64 } %t178, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  store { ptr, i64, i64 } %t181, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a182
+  store { ptr, i64, i64 } %t187, ptr %a189
+  store { ptr, i64, i64 } { ptr @.str.3586, i64 1, i64 0 }, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  call void @finch.gen.emit(ptr %t157, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a193
+  call void @finch_str_drop(ptr %a193)
   %t194 = load ptr, ptr %a1
-  %t195 = load ptr, ptr %a1
-  %t196 = load %S.ast.Type, ptr %a32
-  %t197 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t195, %S.ast.Type %t196)
-  %t198 = load ptr, ptr %a1
-  %t199 = load ptr, ptr %a1
-  %t200 = load { ptr, i64, i64 }, ptr %a3
-  %t201 = load %S.ast.Type, ptr %a4
-  %t202 = load { ptr, i64, i64 }, ptr %a89
-  %t203 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t199, { ptr, i64, i64 } %t200, %S.ast.Type %t201, { ptr, i64, i64 } %t202)
-  %t204 = load %S.ast.Type, ptr %a4
-  %t205 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t198, { ptr, i64, i64 } %t203, %S.ast.Type %t204, i64 2)
-  %t206 = call { ptr, i64, i64 } @finch.gen.load(ptr %t194, { ptr, i64, i64 } %t197, { ptr, i64, i64 } %t205)
-  %t207 = load %S.ast.Type, ptr %a32
-  %t208 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t193, { ptr, i64, i64 } %t206, %S.ast.Type %t207)
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load ptr, ptr %a1
-  %t211 = load { ptr, i64, i64 }, ptr %a180
-  call void @finch.gen.br(ptr %t210, { ptr, i64, i64 } %t211)
-  %t212 = load ptr, ptr %a1
-  %t213 = load { ptr, i64, i64 }, ptr %a180
-  call void @finch.gen.label(ptr %t212, { ptr, i64, i64 } %t213)
+  %t195 = load { ptr, i64, i64 }, ptr %a130
+  call void @finch.gen.br(ptr %t194, { ptr, i64, i64 } %t195)
+  %t196 = load ptr, ptr %a1
+  %t197 = load { ptr, i64, i64 }, ptr %a130
+  call void @finch.gen.label(ptr %t196, { ptr, i64, i64 } %t197)
+  %t198 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t198, ptr %a199
+  call void @finch_str_copy(ptr %a200, ptr %a199)
+  %t201 = load { ptr, i64, i64 }, ptr %a200
+  %t202 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t201, 0
+  %t203 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3587, i64 4, i64 0 })
+  %t204 = insertvalue %S.gen.Val %t202, %S.ast.Type %t203, 1
+  call void @finch_str_drop(ptr %a142)
+  call void @finch_str_drop(ptr %a130)
+  call void @finch_str_drop(ptr %a127)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a91)
+  call void @finch.drop.S_gen_Val(ptr %a82)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t204
+endif5610:
+  %t205 = load ptr, ptr %a1
+  %t206 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t205, { ptr, i64, i64 } { ptr @.str.3588, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t206, ptr %a207
+  %t208 = load ptr, ptr %a1
+  %t209 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t208, { ptr, i64, i64 } { ptr @.str.3589, i64 11, i64 0 })
+  store { ptr, i64, i64 } %t209, ptr %a210
+  %t211 = load ptr, ptr %a1
+  %t212 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t211, { ptr, i64, i64 } { ptr @.str.3590, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t212, ptr %a213
   %t214 = load ptr, ptr %a1
-  %t215 = load { ptr, i64, i64 }, ptr %a186
-  call void @finch.gen.br(ptr %t214, { ptr, i64, i64 } %t215)
-  %t216 = load ptr, ptr %a1
-  %t217 = load { ptr, i64, i64 }, ptr %a177
-  call void @finch.gen.label(ptr %t216, { ptr, i64, i64 } %t217)
-  %t218 = load ptr, ptr %a1
-  %t219 = load ptr, ptr %a1
+  %t215 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t214, { ptr, i64, i64 } { ptr @.str.3591, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t215, ptr %a216
+  %t217 = load ptr, ptr %a1
+  %t218 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t217, { ptr, i64, i64 } { ptr @.str.3592, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t218, ptr %a219
   %t220 = load ptr, ptr %a1
-  %t221 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t222 = load { ptr, i64, i64 }, ptr %t221
-  %t223 = extractvalue { ptr, i64, i64 } %t222, 1
-  %t224 = icmp uge i64 2, %t223
-  br i1 %t224, label %range5262, label %inrange5263
-range5262:
-  call void @finch_panic_index(ptr @.str.3443, i64 2649, i64 2, i64 %t223)
-  unreachable
-inrange5263:
-  %t225 = extractvalue { ptr, i64, i64 } %t222, 0
-  %t226 = getelementptr inbounds %S.ast.Node, ptr %t225, i64 2
-  %t227 = load %S.ast.Node, ptr %t226
-  %t228 = load %S.ast.Type, ptr %a32
-  %t229 = call %S.gen.Val @finch.gen.exprWant(ptr %t220, %S.ast.Node %t227, %S.ast.Type %t228)
-  %t230 = load %S.ast.Type, ptr %a32
-  %t231 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t232 = load { ptr, i64, i64 }, ptr %t231
-  %t233 = extractvalue { ptr, i64, i64 } %t232, 1
-  %t234 = icmp uge i64 2, %t233
-  br i1 %t234, label %range5264, label %inrange5265
-range5264:
-  call void @finch_panic_index(ptr @.str.3444, i64 2649, i64 2, i64 %t233)
-  unreachable
-inrange5265:
-  %t235 = extractvalue { ptr, i64, i64 } %t232, 0
-  %t236 = getelementptr inbounds %S.ast.Node, ptr %t235, i64 2
-  %t237 = load %S.ast.Node, ptr %t236
-  %t238 = call %S.gen.Val @finch.gen.coerce(ptr %t219, %S.gen.Val %t229, %S.ast.Type %t230, %S.ast.Node %t237, { ptr, i64, i64 } { ptr @.str.3445, i64 11, i64 0 })
-  %t239 = call { ptr, i64, i64 } @finch.gen.own(ptr %t218, %S.gen.Val %t238)
-  store { ptr, i64, i64 } %t239, ptr %a240
-  %t241 = load ptr, ptr %a1
-  %t242 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.br(ptr %t241, { ptr, i64, i64 } %t242)
-  %t243 = load ptr, ptr %a1
-  %t244 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.label(ptr %t243, { ptr, i64, i64 } %t244)
-  %t245 = load ptr, ptr %a1
-  %t246 = load { ptr, i64, i64 }, ptr %a186
-  call void @finch.gen.br(ptr %t245, { ptr, i64, i64 } %t246)
+  %t221 = load { ptr, i64, i64 }, ptr %a107
+  %t222 = load { ptr, i64, i64 }, ptr %a207
+  %t223 = load { ptr, i64, i64 }, ptr %a210
+  call void @finch.gen.condBr(ptr %t220, { ptr, i64, i64 } %t221, { ptr, i64, i64 } %t222, { ptr, i64, i64 } %t223)
+  %t224 = load ptr, ptr %a1
+  %t225 = load { ptr, i64, i64 }, ptr %a207
+  call void @finch.gen.label(ptr %t224, { ptr, i64, i64 } %t225)
+  %t226 = load ptr, ptr %a1
+  %t227 = load ptr, ptr %a1
+  %t228 = load ptr, ptr %a1
+  %t229 = load %S.ast.Type, ptr %a32
+  %t230 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t228, %S.ast.Type %t229)
+  %t231 = load ptr, ptr %a1
+  %t232 = load ptr, ptr %a1
+  %t233 = load { ptr, i64, i64 }, ptr %a3
+  %t234 = load %S.ast.Type, ptr %a4
+  %t235 = load { ptr, i64, i64 }, ptr %a91
+  %t236 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t232, { ptr, i64, i64 } %t233, %S.ast.Type %t234, { ptr, i64, i64 } %t235)
+  %t237 = load %S.ast.Type, ptr %a4
+  %t238 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t231, { ptr, i64, i64 } %t236, %S.ast.Type %t237, i64 2)
+  store { ptr, i64, i64 } %t236, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  %t240 = call { ptr, i64, i64 } @finch.gen.load(ptr %t227, { ptr, i64, i64 } %t230, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t230, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  store { ptr, i64, i64 } %t238, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load %S.ast.Type, ptr %a32
+  %t244 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t226, { ptr, i64, i64 } %t240, %S.ast.Type %t243)
+  store { ptr, i64, i64 } %t240, ptr %a245
+  call void @finch_str_drop(ptr %a245)
+  store { ptr, i64, i64 } %t244, ptr %a246
   %t247 = load ptr, ptr %a1
-  %t248 = load { ptr, i64, i64 }, ptr %a186
-  call void @finch.gen.label(ptr %t247, { ptr, i64, i64 } %t248)
+  %t248 = load { ptr, i64, i64 }, ptr %a213
+  call void @finch.gen.br(ptr %t247, { ptr, i64, i64 } %t248)
   %t249 = load ptr, ptr %a1
-  %t250 = load ptr, ptr %a1
-  %t251 = load %S.ast.Type, ptr %a32
-  %t252 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t250, %S.ast.Type %t251)
-  store { ptr, i64, i64 } { ptr @.str.3446, i64 4, i64 0 }, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.3447, i64 3, i64 0 }, ptr %a259
-  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
-  %t260 = load { ptr, i64, i64 }, ptr %a257
-  %t261 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t260, ptr %a263
-  store { ptr, i64, i64 } %t261, ptr %a264
-  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
-  %t265 = load { ptr, i64, i64 }, ptr %a262
-  store { ptr, i64, i64 } %t265, ptr %a267
-  store { ptr, i64, i64 } { ptr @.str.3448, i64 3, i64 0 }, ptr %a268
-  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
-  %t269 = load { ptr, i64, i64 }, ptr %a266
-  %t270 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t269, ptr %a272
-  store { ptr, i64, i64 } %t270, ptr %a273
-  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
-  %t274 = load { ptr, i64, i64 }, ptr %a271
-  store { ptr, i64, i64 } %t274, ptr %a276
-  store { ptr, i64, i64 } { ptr @.str.3449, i64 6, i64 0 }, ptr %a277
-  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
-  %t278 = load { ptr, i64, i64 }, ptr %a275
-  %t279 = load { ptr, i64, i64 }, ptr %a240
-  store { ptr, i64, i64 } %t278, ptr %a281
-  store { ptr, i64, i64 } %t279, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } %t283, ptr %a285
-  store { ptr, i64, i64 } { ptr @.str.3450, i64 3, i64 0 }, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  %t288 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t287, ptr %a290
-  store { ptr, i64, i64 } %t288, ptr %a291
-  call void @finch_str_concat(ptr %a289, ptr %a290, ptr %a291)
-  %t292 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t292, ptr %a294
-  store { ptr, i64, i64 } { ptr @.str.3451, i64 2, i64 0 }, ptr %a295
-  call void @finch_str_concat(ptr %a293, ptr %a294, ptr %a295)
-  %t296 = load { ptr, i64, i64 }, ptr %a293
-  %t297 = call { ptr, i64, i64 } @finch.gen.op(ptr %t249, { ptr, i64, i64 } %t296)
-  %t298 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t297, 0
-  %t299 = load %S.ast.Type, ptr %a32
-  store %S.ast.Type %t299, ptr %a300
-  call void @finch.copy.S_ast_Type(ptr %a301, ptr %a300)
-  %t302 = load %S.ast.Type, ptr %a301
-  %t303 = insertvalue %S.gen.Val %t298, %S.ast.Type %t302, 1
-  %t304 = load ptr, ptr %a1
-  %t305 = load %S.ast.Type, ptr %a32
-  %t306 = call i1 @finch.gen.owning(ptr %t304, %S.ast.Type %t305)
-  %t307 = insertvalue %S.gen.Val %t303, i1 %t306, 2
-  ret %S.gen.Val %t307
-endif5248:
-  %t308 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t308, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.3452, i64 5, i64 0 }, ptr %a310
-  %t311 = call i32 @finch_str_eq(ptr %a309, ptr %a310)
-  %t312 = icmp ne i32 %t311, 0
-  br i1 %t312, label %then5266, label %endif5268
-then5266:
-  %t313 = load ptr, ptr %a1
-  %t314 = load %S.ast.Node, ptr %a2
-  %t315 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.checkArgs(ptr %t313, %S.ast.Node %t314, i64 1, i64 0, { ptr, i64, i64 } %t315)
-  %t316 = load ptr, ptr %a1
-  %t317 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.3453, i64 31, i64 0 }, ptr %a319
-  store { ptr, i64, i64 } %t317, ptr %a320
-  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
-  %t321 = load { ptr, i64, i64 }, ptr %a318
-  store { ptr, i64, i64 } %t321, ptr %a323
-  store { ptr, i64, i64 } { ptr @.str.3454, i64 1, i64 0 }, ptr %a324
-  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
-  %t325 = load { ptr, i64, i64 }, ptr %a322
-  call void @finch.gen.emit(ptr %t316, { ptr, i64, i64 } %t325)
-  %t326 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3455, i64 4, i64 0 })
-  %t327 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t326, 1
-  ret %S.gen.Val %t327
-endif5268:
-  %t328 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t328, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.3456, i64 4, i64 0 }, ptr %a330
-  %t331 = call i32 @finch_str_eq(ptr %a329, ptr %a330)
-  %t332 = icmp ne i32 %t331, 0
-  br label %logic.from5269
-logic.from5269:
-  br i1 %t332, label %logic.end5271, label %logic.rhs5270
-logic.rhs5270:
-  %t333 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t333, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.3457, i64 6, i64 0 }, ptr %a335
-  %t336 = call i32 @finch_str_eq(ptr %a334, ptr %a335)
-  %t337 = icmp ne i32 %t336, 0
-  br label %logic.rend5272
-logic.rend5272:
-  br label %logic.end5271
-logic.end5271:
-  %t338 = phi i1 [ true, %logic.from5269 ], [ %t337, %logic.rend5272 ]
-  br i1 %t338, label %then5273, label %endif5275
-then5273:
-  %t339 = load ptr, ptr %a1
-  %t340 = load %S.ast.Node, ptr %a2
-  %t341 = load { ptr, i64, i64 }, ptr %a10
-  call void @finch.gen.checkArgs(ptr %t339, %S.ast.Node %t340, i64 1, i64 0, { ptr, i64, i64 } %t341)
-  store i64 1, ptr %a342
-  %t343 = load %S.ast.Type, ptr %a21
-  store %S.ast.Type %t343, ptr %a344
-  call void @finch.copy.S_ast_Type(ptr %a345, ptr %a344)
-  %t346 = load %S.ast.Type, ptr %a345
-  store %S.ast.Type %t346, ptr %a347
-  %t348 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t348, ptr %a349
-  store { ptr, i64, i64 } { ptr @.str.3458, i64 6, i64 0 }, ptr %a350
-  %t351 = call i32 @finch_str_eq(ptr %a349, ptr %a350)
-  %t352 = icmp ne i32 %t351, 0
-  br i1 %t352, label %then5276, label %endif5278
-then5276:
-  store i64 2, ptr %a342
-  %t353 = load %S.ast.Type, ptr %a32
-  store %S.ast.Type %t353, ptr %a354
-  call void @finch.copy.S_ast_Type(ptr %a355, ptr %a354)
-  %t356 = load %S.ast.Type, ptr %a355
-  store %S.ast.Type %t356, ptr %a347
-  br label %endif5278
-endif5278:
-  %t357 = load %S.ast.Type, ptr %a347
-  %t358 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t357)
-  store %S.ast.Type %t358, ptr %a359
-  %t360 = load ptr, ptr %a1
-  %t361 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t360, { ptr, i64, i64 } { ptr @.str.3459, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t361, ptr %a362
-  %t363 = load ptr, ptr %a1
-  %t364 = load { ptr, i64, i64 }, ptr %a362
-  call void @finch.gen.store(ptr %t363, { ptr, i64, i64 } { ptr @.str.3460, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3461, i64 15, i64 0 }, { ptr, i64, i64 } %t364)
-  %t365 = load ptr, ptr %a1
-  %t366 = load ptr, ptr %a1
-  %t367 = load ptr, ptr %a1
-  %t368 = load %S.ast.Type, ptr %a4
-  %t369 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t367, %S.ast.Type %t368)
-  store { ptr, i64, i64 } { ptr @.str.3463, i64 23, i64 0 }, ptr %a371
-  store { ptr, i64, i64 } %t369, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } %t373, ptr %a375
-  store { ptr, i64, i64 } { ptr @.str.3464, i64 6, i64 0 }, ptr %a376
-  call void @finch_str_concat(ptr %a374, ptr %a375, ptr %a376)
-  %t377 = load { ptr, i64, i64 }, ptr %a374
-  %t378 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t377, ptr %a380
-  store { ptr, i64, i64 } %t378, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  store { ptr, i64, i64 } %t382, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.3465, i64 14, i64 0 }, ptr %a385
-  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
-  %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = call { ptr, i64, i64 } @finch.gen.op(ptr %t366, { ptr, i64, i64 } %t386)
-  %t388 = call { ptr, i64, i64 } @finch.gen.load(ptr %t365, { ptr, i64, i64 } { ptr @.str.3462, i64 3, i64 0 }, { ptr, i64, i64 } %t387)
-  store { ptr, i64, i64 } %t388, ptr %a389
-  %t390 = load ptr, ptr %a1
-  %t391 = load { ptr, i64, i64 }, ptr %a362
-  store { ptr, i64, i64 } { ptr @.str.3466, i64 30, i64 0 }, ptr %a393
-  store { ptr, i64, i64 } %t391, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  store { ptr, i64, i64 } %t395, ptr %a397
-  store { ptr, i64, i64 } { ptr @.str.3467, i64 6, i64 0 }, ptr %a398
-  call void @finch_str_concat(ptr %a396, ptr %a397, ptr %a398)
-  %t399 = load { ptr, i64, i64 }, ptr %a396
-  %t400 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t399, ptr %a402
-  store { ptr, i64, i64 } %t400, ptr %a403
-  call void @finch_str_concat(ptr %a401, ptr %a402, ptr %a403)
-  %t404 = load { ptr, i64, i64 }, ptr %a401
-  store { ptr, i64, i64 } %t404, ptr %a406
-  store { ptr, i64, i64 } { ptr @.str.3468, i64 6, i64 0 }, ptr %a407
-  call void @finch_str_concat(ptr %a405, ptr %a406, ptr %a407)
-  %t408 = load { ptr, i64, i64 }, ptr %a405
-  %t409 = load ptr, ptr %a1
-  %t410 = load %S.ast.Type, ptr %a347
-  %t411 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t409, %S.ast.Type %t410)
-  store { ptr, i64, i64 } %t408, ptr %a413
-  store { ptr, i64, i64 } %t411, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  store { ptr, i64, i64 } %t415, ptr %a417
-  store { ptr, i64, i64 } { ptr @.str.3469, i64 1, i64 0 }, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  call void @finch.gen.emit(ptr %t390, { ptr, i64, i64 } %t419)
-  %t420 = load ptr, ptr %a1
-  %t421 = load { ptr, i64, i64 }, ptr %a362
-  %t422 = call { ptr, i64, i64 } @finch.gen.load(ptr %t420, { ptr, i64, i64 } { ptr @.str.3470, i64 3, i64 0 }, { ptr, i64, i64 } %t421)
-  store { ptr, i64, i64 } %t422, ptr %a423
-  %t424 = load ptr, ptr %a1
-  %t425 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t424, { ptr, i64, i64 } { ptr @.str.3471, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t425, ptr %a426
-  %t427 = load ptr, ptr %a1
-  %t428 = load { ptr, i64, i64 }, ptr %a426
-  call void @finch.gen.store(ptr %t427, { ptr, i64, i64 } { ptr @.str.3472, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3473, i64 1, i64 0 }, { ptr, i64, i64 } %t428)
-  %t429 = load ptr, ptr %a1
-  %t430 = load ptr, ptr %a1
-  %t431 = load ptr, ptr %a1
-  %t432 = load %S.ast.Type, ptr %a4
-  %t433 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t431, %S.ast.Type %t432)
-  store { ptr, i64, i64 } { ptr @.str.3475, i64 23, i64 0 }, ptr %a435
-  store { ptr, i64, i64 } %t433, ptr %a436
-  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
-  %t437 = load { ptr, i64, i64 }, ptr %a434
-  store { ptr, i64, i64 } %t437, ptr %a439
-  store { ptr, i64, i64 } { ptr @.str.3476, i64 6, i64 0 }, ptr %a440
-  call void @finch_str_concat(ptr %a438, ptr %a439, ptr %a440)
-  %t441 = load { ptr, i64, i64 }, ptr %a438
-  %t442 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t441, ptr %a444
-  store { ptr, i64, i64 } %t442, ptr %a445
-  call void @finch_str_concat(ptr %a443, ptr %a444, ptr %a445)
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  store { ptr, i64, i64 } %t446, ptr %a448
-  store { ptr, i64, i64 } { ptr @.str.3477, i64 14, i64 0 }, ptr %a449
-  call void @finch_str_concat(ptr %a447, ptr %a448, ptr %a449)
-  %t450 = load { ptr, i64, i64 }, ptr %a447
-  %t451 = call { ptr, i64, i64 } @finch.gen.op(ptr %t430, { ptr, i64, i64 } %t450)
-  %t452 = call { ptr, i64, i64 } @finch.gen.load(ptr %t429, { ptr, i64, i64 } { ptr @.str.3474, i64 3, i64 0 }, { ptr, i64, i64 } %t451)
-  store { ptr, i64, i64 } %t452, ptr %a453
-  %t454 = load ptr, ptr %a1
-  %t455 = load { ptr, i64, i64 }, ptr %a453
-  %t456 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t454, { ptr, i64, i64 } %t455)
-  store { ptr, i64, i64 } %t456, ptr %a457
-  %t458 = load ptr, ptr %a1
-  %t459 = load { ptr, i64, i64 }, ptr %a3
-  %t460 = load %S.ast.Type, ptr %a4
-  %t461 = load { ptr, i64, i64 }, ptr %a457
-  %t462 = extractvalue { ptr, i64, i64 } %t461, 1
-  %t463 = icmp uge i64 3, %t462
-  br i1 %t463, label %range5279, label %inrange5280
-range5279:
-  call void @finch_panic_index(ptr @.str.3478, i64 2679, i64 3, i64 %t462)
+  %t250 = load { ptr, i64, i64 }, ptr %a213
+  call void @finch.gen.label(ptr %t249, { ptr, i64, i64 } %t250)
+  %t251 = load ptr, ptr %a1
+  %t252 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.br(ptr %t251, { ptr, i64, i64 } %t252)
+  %t253 = load ptr, ptr %a1
+  %t254 = load { ptr, i64, i64 }, ptr %a210
+  call void @finch.gen.label(ptr %t253, { ptr, i64, i64 } %t254)
+  %t255 = load ptr, ptr %a1
+  %t256 = load ptr, ptr %a1
+  %t257 = load ptr, ptr %a1
+  %t258 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t259 = load { ptr, i64, i64 }, ptr %t258
+  %t260 = extractvalue { ptr, i64, i64 } %t259, 1
+  %t261 = icmp uge i64 2, %t260
+  br i1 %t261, label %range5611, label %inrange5612
+range5611:
+  call void @finch_panic_index(ptr @.str.3593, i64 2882, i64 2, i64 %t260)
   unreachable
-inrange5280:
-  %t464 = extractvalue { ptr, i64, i64 } %t461, 0
-  %t465 = getelementptr inbounds { ptr, i64, i64 }, ptr %t464, i64 3
-  %t466 = load { ptr, i64, i64 }, ptr %t465
-  %t467 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t458, { ptr, i64, i64 } %t459, %S.ast.Type %t460, { ptr, i64, i64 } %t466)
-  store { ptr, i64, i64 } %t467, ptr %a468
+inrange5612:
+  %t262 = extractvalue { ptr, i64, i64 } %t259, 0
+  %t263 = getelementptr inbounds %S.ast.Node, ptr %t262, i64 2
+  %t264 = load %S.ast.Node, ptr %t263
+  %t265 = load %S.ast.Type, ptr %a32
+  %t266 = call %S.gen.Val @finch.gen.exprWant(ptr %t257, %S.ast.Node %t264, %S.ast.Type %t265)
+  %t267 = load %S.ast.Type, ptr %a32
+  %t268 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t269 = load { ptr, i64, i64 }, ptr %t268
+  %t270 = extractvalue { ptr, i64, i64 } %t269, 1
+  %t271 = icmp uge i64 2, %t270
+  br i1 %t271, label %range5613, label %inrange5614
+range5613:
+  call void @finch_panic_index(ptr @.str.3594, i64 2882, i64 2, i64 %t270)
+  unreachable
+inrange5614:
+  %t272 = extractvalue { ptr, i64, i64 } %t269, 0
+  %t273 = getelementptr inbounds %S.ast.Node, ptr %t272, i64 2
+  %t274 = load %S.ast.Node, ptr %t273
+  %t275 = call %S.gen.Val @finch.gen.coerce(ptr %t256, %S.gen.Val %t266, %S.ast.Type %t267, %S.ast.Node %t274, { ptr, i64, i64 } { ptr @.str.3595, i64 11, i64 0 })
+  store %S.gen.Val %t266, ptr %a276
+  call void @finch.drop.S_gen_Val(ptr %a276)
+  %t277 = call { ptr, i64, i64 } @finch.gen.own(ptr %t255, %S.gen.Val %t275)
+  store %S.gen.Val %t275, ptr %a278
+  call void @finch.drop.S_gen_Val(ptr %a278)
+  store { ptr, i64, i64 } %t277, ptr %a279
+  %t280 = load ptr, ptr %a1
+  %t281 = load { ptr, i64, i64 }, ptr %a216
+  call void @finch.gen.br(ptr %t280, { ptr, i64, i64 } %t281)
+  %t282 = load ptr, ptr %a1
+  %t283 = load { ptr, i64, i64 }, ptr %a216
+  call void @finch.gen.label(ptr %t282, { ptr, i64, i64 } %t283)
+  %t284 = load ptr, ptr %a1
+  %t285 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.br(ptr %t284, { ptr, i64, i64 } %t285)
+  %t286 = load ptr, ptr %a1
+  %t287 = load { ptr, i64, i64 }, ptr %a219
+  call void @finch.gen.label(ptr %t286, { ptr, i64, i64 } %t287)
+  %t288 = load ptr, ptr %a1
+  %t289 = load ptr, ptr %a1
+  %t290 = load %S.ast.Type, ptr %a32
+  %t291 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t289, %S.ast.Type %t290)
+  store { ptr, i64, i64 } { ptr @.str.3596, i64 4, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t296, ptr %a298
+  store { ptr, i64, i64 } { ptr @.str.3597, i64 3, i64 0 }, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  store { ptr, i64, i64 } %t296, ptr %a300
+  call void @finch_str_drop(ptr %a300)
+  %t301 = load { ptr, i64, i64 }, ptr %a297
+  %t302 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t301, ptr %a304
+  store { ptr, i64, i64 } %t302, ptr %a305
+  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
+  store { ptr, i64, i64 } %t301, ptr %a306
+  call void @finch_str_drop(ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a303
+  store { ptr, i64, i64 } %t307, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.3598, i64 3, i64 0 }, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t307, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = load { ptr, i64, i64 }, ptr %a308
+  %t313 = load { ptr, i64, i64 }, ptr %a213
+  store { ptr, i64, i64 } %t312, ptr %a315
+  store { ptr, i64, i64 } %t313, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t312, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t318, ptr %a320
+  store { ptr, i64, i64 } { ptr @.str.3599, i64 6, i64 0 }, ptr %a321
+  call void @finch_str_concat(ptr %a319, ptr %a320, ptr %a321)
+  store { ptr, i64, i64 } %t318, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  %t323 = load { ptr, i64, i64 }, ptr %a319
+  %t324 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t323, ptr %a326
+  store { ptr, i64, i64 } %t324, ptr %a327
+  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
+  store { ptr, i64, i64 } %t323, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a325
+  store { ptr, i64, i64 } %t329, ptr %a331
+  store { ptr, i64, i64 } { ptr @.str.3600, i64 3, i64 0 }, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  store { ptr, i64, i64 } %t329, ptr %a333
+  call void @finch_str_drop(ptr %a333)
+  %t334 = load { ptr, i64, i64 }, ptr %a330
+  %t335 = load { ptr, i64, i64 }, ptr %a216
+  store { ptr, i64, i64 } %t334, ptr %a337
+  store { ptr, i64, i64 } %t335, ptr %a338
+  call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
+  store { ptr, i64, i64 } %t334, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
+  store { ptr, i64, i64 } %t340, ptr %a342
+  store { ptr, i64, i64 } { ptr @.str.3601, i64 2, i64 0 }, ptr %a343
+  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
+  store { ptr, i64, i64 } %t340, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load { ptr, i64, i64 }, ptr %a341
+  %t346 = call { ptr, i64, i64 } @finch.gen.op(ptr %t288, { ptr, i64, i64 } %t345)
+  store { ptr, i64, i64 } %t345, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t346, 0
+  %t349 = load %S.ast.Type, ptr %a32
+  store %S.ast.Type %t349, ptr %a350
+  call void @finch.copy.S_ast_Type(ptr %a351, ptr %a350)
+  %t352 = load %S.ast.Type, ptr %a351
+  %t353 = insertvalue %S.gen.Val %t348, %S.ast.Type %t352, 1
+  %t354 = load ptr, ptr %a1
+  %t355 = load %S.ast.Type, ptr %a32
+  %t356 = call i1 @finch.gen.owning(ptr %t354, %S.ast.Type %t355)
+  %t357 = insertvalue %S.gen.Val %t353, i1 %t356, 2
+  call void @finch_str_drop(ptr %a279)
+  call void @finch_str_drop(ptr %a246)
+  call void @finch_str_drop(ptr %a219)
+  call void @finch_str_drop(ptr %a216)
+  call void @finch_str_drop(ptr %a213)
+  call void @finch_str_drop(ptr %a210)
+  call void @finch_str_drop(ptr %a207)
+  call void @finch_str_drop(ptr %a107)
+  call void @finch_str_drop(ptr %a91)
+  call void @finch.drop.S_gen_Val(ptr %a82)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t357
+endif5597:
+  %t358 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t358, ptr %a359
+  store { ptr, i64, i64 } { ptr @.str.3602, i64 5, i64 0 }, ptr %a360
+  %t361 = call i32 @finch_str_eq(ptr %a359, ptr %a360)
+  %t362 = icmp ne i32 %t361, 0
+  br i1 %t362, label %then5615, label %endif5617
+then5615:
+  %t363 = load ptr, ptr %a1
+  %t364 = load %S.ast.Node, ptr %a2
+  %t365 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.checkArgs(ptr %t363, %S.ast.Node %t364, i64 1, i64 0, { ptr, i64, i64 } %t365)
+  %t366 = load ptr, ptr %a1
+  %t367 = load %S.ast.Type, ptr %a21
+  %t368 = call i1 @finch.gen.owning(ptr %t366, %S.ast.Type %t367)
+  br label %logic.from5618
+logic.from5618:
+  br i1 %t368, label %logic.end5620, label %logic.rhs5619
+logic.rhs5619:
+  %t369 = load ptr, ptr %a1
+  %t370 = load %S.ast.Type, ptr %a32
+  %t371 = call i1 @finch.gen.owning(ptr %t369, %S.ast.Type %t370)
+  br label %logic.rend5621
+logic.rend5621:
+  br label %logic.end5620
+logic.end5620:
+  %t372 = phi i1 [ true, %logic.from5618 ], [ %t371, %logic.rend5621 ]
+  br i1 %t372, label %then5622, label %endif5624
+then5622:
+  %t373 = load ptr, ptr %a1
+  %t374 = load ptr, ptr %a1
+  %t375 = load ptr, ptr %a1
+  %t376 = load %S.ast.Type, ptr %a4
+  %t377 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t375, %S.ast.Type %t376)
+  store { ptr, i64, i64 } { ptr @.str.3604, i64 23, i64 0 }, ptr %a379
+  store { ptr, i64, i64 } %t377, ptr %a380
+  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
+  store { ptr, i64, i64 } %t377, ptr %a381
+  call void @finch_str_drop(ptr %a381)
+  %t382 = load { ptr, i64, i64 }, ptr %a378
+  store { ptr, i64, i64 } %t382, ptr %a384
+  store { ptr, i64, i64 } { ptr @.str.3605, i64 6, i64 0 }, ptr %a385
+  call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
+  store { ptr, i64, i64 } %t382, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  %t387 = load { ptr, i64, i64 }, ptr %a383
+  %t388 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t387, ptr %a390
+  store { ptr, i64, i64 } %t388, ptr %a391
+  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
+  store { ptr, i64, i64 } %t387, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  store { ptr, i64, i64 } %t393, ptr %a395
+  store { ptr, i64, i64 } { ptr @.str.3606, i64 14, i64 0 }, ptr %a396
+  call void @finch_str_concat(ptr %a394, ptr %a395, ptr %a396)
+  store { ptr, i64, i64 } %t393, ptr %a397
+  call void @finch_str_drop(ptr %a397)
+  %t398 = load { ptr, i64, i64 }, ptr %a394
+  %t399 = call { ptr, i64, i64 } @finch.gen.op(ptr %t374, { ptr, i64, i64 } %t398)
+  store { ptr, i64, i64 } %t398, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = call { ptr, i64, i64 } @finch.gen.load(ptr %t373, { ptr, i64, i64 } { ptr @.str.3603, i64 3, i64 0 }, { ptr, i64, i64 } %t399)
+  store { ptr, i64, i64 } %t399, ptr %a402
+  call void @finch_str_drop(ptr %a402)
+  store { ptr, i64, i64 } %t401, ptr %a403
+  %t404 = load ptr, ptr %a1
+  %t405 = load { ptr, i64, i64 }, ptr %a403
+  %t406 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t404, { ptr, i64, i64 } %t405)
+  store { ptr, i64, i64 } %t406, ptr %a407
+  %t408 = load ptr, ptr %a1
+  %t409 = load { ptr, i64, i64 }, ptr %a3
+  %t410 = load %S.ast.Type, ptr %a4
+  %t411 = load { ptr, i64, i64 }, ptr %a407
+  %t412 = extractvalue { ptr, i64, i64 } %t411, 1
+  %t413 = icmp uge i64 3, %t412
+  br i1 %t413, label %range5625, label %inrange5626
+range5625:
+  call void @finch_panic_index(ptr @.str.3607, i64 2894, i64 3, i64 %t412)
+  unreachable
+inrange5626:
+  %t414 = extractvalue { ptr, i64, i64 } %t411, 0
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %t414, i64 3
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  %t417 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t408, { ptr, i64, i64 } %t409, %S.ast.Type %t410, { ptr, i64, i64 } %t416)
+  store { ptr, i64, i64 } %t417, ptr %a418
+  %t419 = load ptr, ptr %a1
+  %t420 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t419, { ptr, i64, i64 } { ptr @.str.3608, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t420, ptr %a421
+  %t422 = load ptr, ptr %a1
+  %t423 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t422, { ptr, i64, i64 } { ptr @.str.3609, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t423, ptr %a424
+  %t425 = load ptr, ptr %a1
+  %t426 = load ptr, ptr %a1
+  %t427 = load ptr, ptr %a1
+  %t428 = load ptr, ptr %a1
+  %t429 = load { ptr, i64, i64 }, ptr %a418
+  %t430 = load %S.ast.Type, ptr %a4
+  %t431 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t428, { ptr, i64, i64 } %t429, %S.ast.Type %t430, i64 0)
+  %t432 = call { ptr, i64, i64 } @finch.gen.load(ptr %t427, { ptr, i64, i64 } { ptr @.str.3611, i64 3, i64 0 }, { ptr, i64, i64 } %t431)
+  store { ptr, i64, i64 } %t431, ptr %a433
+  call void @finch_str_drop(ptr %a433)
+  store { ptr, i64, i64 } { ptr @.str.3610, i64 12, i64 0 }, ptr %a435
+  store { ptr, i64, i64 } %t432, ptr %a436
+  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
+  store { ptr, i64, i64 } %t432, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a434
+  store { ptr, i64, i64 } %t438, ptr %a440
+  store { ptr, i64, i64 } { ptr @.str.3612, i64 3, i64 0 }, ptr %a441
+  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
+  store { ptr, i64, i64 } %t438, ptr %a442
+  call void @finch_str_drop(ptr %a442)
+  %t443 = load { ptr, i64, i64 }, ptr %a439
+  %t444 = call { ptr, i64, i64 } @finch.gen.op(ptr %t426, { ptr, i64, i64 } %t443)
+  store { ptr, i64, i64 } %t443, ptr %a445
+  call void @finch_str_drop(ptr %a445)
+  %t446 = load { ptr, i64, i64 }, ptr %a421
+  %t447 = load { ptr, i64, i64 }, ptr %a424
+  call void @finch.gen.condBr(ptr %t425, { ptr, i64, i64 } %t444, { ptr, i64, i64 } %t446, { ptr, i64, i64 } %t447)
+  store { ptr, i64, i64 } %t444, ptr %a448
+  call void @finch_str_drop(ptr %a448)
+  %t449 = load ptr, ptr %a1
+  %t450 = load { ptr, i64, i64 }, ptr %a421
+  call void @finch.gen.label(ptr %t449, { ptr, i64, i64 } %t450)
+  %t451 = load ptr, ptr %a1
+  %t452 = load ptr, ptr %a1
+  %t453 = load { ptr, i64, i64 }, ptr %a418
+  %t454 = load %S.ast.Type, ptr %a4
+  %t455 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t452, { ptr, i64, i64 } %t453, %S.ast.Type %t454, i64 1)
+  %t456 = load %S.ast.Type, ptr %a21
+  call void @finch.gen.dropAt(ptr %t451, { ptr, i64, i64 } %t455, %S.ast.Type %t456)
+  store { ptr, i64, i64 } %t455, ptr %a457
+  call void @finch_str_drop(ptr %a457)
+  %t458 = load ptr, ptr %a1
+  %t459 = load ptr, ptr %a1
+  %t460 = load { ptr, i64, i64 }, ptr %a418
+  %t461 = load %S.ast.Type, ptr %a4
+  %t462 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t459, { ptr, i64, i64 } %t460, %S.ast.Type %t461, i64 2)
+  %t463 = load %S.ast.Type, ptr %a32
+  call void @finch.gen.dropAt(ptr %t458, { ptr, i64, i64 } %t462, %S.ast.Type %t463)
+  store { ptr, i64, i64 } %t462, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  %t465 = load ptr, ptr %a1
+  %t466 = load { ptr, i64, i64 }, ptr %a424
+  call void @finch.gen.br(ptr %t465, { ptr, i64, i64 } %t466)
+  %t467 = load ptr, ptr %a1
+  %t468 = load { ptr, i64, i64 }, ptr %a424
+  call void @finch.gen.label(ptr %t467, { ptr, i64, i64 } %t468)
   %t469 = load ptr, ptr %a1
-  %t470 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t469, { ptr, i64, i64 } { ptr @.str.3479, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t470, ptr %a471
-  %t472 = load ptr, ptr %a1
-  %t473 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t472, { ptr, i64, i64 } { ptr @.str.3480, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t473, ptr %a474
-  %t475 = load ptr, ptr %a1
-  %t476 = load ptr, ptr %a1
-  %t477 = load ptr, ptr %a1
-  %t478 = load ptr, ptr %a1
-  %t479 = load { ptr, i64, i64 }, ptr %a468
-  %t480 = load %S.ast.Type, ptr %a4
-  %t481 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t478, { ptr, i64, i64 } %t479, %S.ast.Type %t480, i64 0)
-  %t482 = call { ptr, i64, i64 } @finch.gen.load(ptr %t477, { ptr, i64, i64 } { ptr @.str.3482, i64 3, i64 0 }, { ptr, i64, i64 } %t481)
-  store { ptr, i64, i64 } { ptr @.str.3481, i64 12, i64 0 }, ptr %a484
-  store { ptr, i64, i64 } %t482, ptr %a485
-  call void @finch_str_concat(ptr %a483, ptr %a484, ptr %a485)
-  %t486 = load { ptr, i64, i64 }, ptr %a483
-  store { ptr, i64, i64 } %t486, ptr %a488
-  store { ptr, i64, i64 } { ptr @.str.3483, i64 3, i64 0 }, ptr %a489
-  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  %t491 = call { ptr, i64, i64 } @finch.gen.op(ptr %t476, { ptr, i64, i64 } %t490)
-  %t492 = load { ptr, i64, i64 }, ptr %a471
-  %t493 = load { ptr, i64, i64 }, ptr %a474
-  call void @finch.gen.condBr(ptr %t475, { ptr, i64, i64 } %t491, { ptr, i64, i64 } %t492, { ptr, i64, i64 } %t493)
-  %t494 = load ptr, ptr %a1
-  %t495 = load { ptr, i64, i64 }, ptr %a471
-  call void @finch.gen.label(ptr %t494, { ptr, i64, i64 } %t495)
+  %t470 = load { ptr, i64, i64 }, ptr %a407
+  call void @finch.gen.loopEnd(ptr %t469, { ptr, i64, i64 } %t470)
+  call void @finch_str_drop(ptr %a424)
+  call void @finch_str_drop(ptr %a421)
+  call void @finch_str_drop(ptr %a418)
+  call void @finch.drop.arr_str(ptr %a407)
+  call void @finch_str_drop(ptr %a403)
+  br label %endif5624
+endif5624:
+  %t471 = load ptr, ptr %a1
+  %t472 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.3613, i64 31, i64 0 }, ptr %a474
+  store { ptr, i64, i64 } %t472, ptr %a475
+  call void @finch_str_concat(ptr %a473, ptr %a474, ptr %a475)
+  %t476 = load { ptr, i64, i64 }, ptr %a473
+  store { ptr, i64, i64 } %t476, ptr %a478
+  store { ptr, i64, i64 } { ptr @.str.3614, i64 1, i64 0 }, ptr %a479
+  call void @finch_str_concat(ptr %a477, ptr %a478, ptr %a479)
+  store { ptr, i64, i64 } %t476, ptr %a480
+  call void @finch_str_drop(ptr %a480)
+  %t481 = load { ptr, i64, i64 }, ptr %a477
+  call void @finch.gen.emit(ptr %t471, { ptr, i64, i64 } %t481)
+  store { ptr, i64, i64 } %t481, ptr %a482
+  call void @finch_str_drop(ptr %a482)
+  %t483 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3615, i64 4, i64 0 })
+  %t484 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t483, 1
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t484
+endif5617:
+  %t485 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t485, ptr %a486
+  store { ptr, i64, i64 } { ptr @.str.3616, i64 4, i64 0 }, ptr %a487
+  %t488 = call i32 @finch_str_eq(ptr %a486, ptr %a487)
+  %t489 = icmp ne i32 %t488, 0
+  br label %logic.from5627
+logic.from5627:
+  br i1 %t489, label %logic.end5629, label %logic.rhs5628
+logic.rhs5628:
+  %t490 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t490, ptr %a491
+  store { ptr, i64, i64 } { ptr @.str.3617, i64 6, i64 0 }, ptr %a492
+  %t493 = call i32 @finch_str_eq(ptr %a491, ptr %a492)
+  %t494 = icmp ne i32 %t493, 0
+  br label %logic.rend5630
+logic.rend5630:
+  br label %logic.end5629
+logic.end5629:
+  %t495 = phi i1 [ true, %logic.from5627 ], [ %t494, %logic.rend5630 ]
+  br i1 %t495, label %then5631, label %endif5633
+then5631:
   %t496 = load ptr, ptr %a1
-  %t497 = load { ptr, i64, i64 }, ptr %a426
-  %t498 = call { ptr, i64, i64 } @finch.gen.load(ptr %t496, { ptr, i64, i64 } { ptr @.str.3484, i64 3, i64 0 }, { ptr, i64, i64 } %t497)
-  store { ptr, i64, i64 } %t498, ptr %a499
-  %t500 = load ptr, ptr %a1
-  %t501 = load ptr, ptr %a1
-  %t502 = load ptr, ptr %a1
-  %t503 = load %S.ast.Type, ptr %a347
-  %t504 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t502, %S.ast.Type %t503)
-  store { ptr, i64, i64 } { ptr @.str.3485, i64 23, i64 0 }, ptr %a506
-  store { ptr, i64, i64 } %t504, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t508, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.3486, i64 6, i64 0 }, ptr %a511
-  call void @finch_str_concat(ptr %a509, ptr %a510, ptr %a511)
-  %t512 = load { ptr, i64, i64 }, ptr %a509
-  %t513 = load { ptr, i64, i64 }, ptr %a423
-  store { ptr, i64, i64 } %t512, ptr %a515
-  store { ptr, i64, i64 } %t513, ptr %a516
-  call void @finch_str_concat(ptr %a514, ptr %a515, ptr %a516)
-  %t517 = load { ptr, i64, i64 }, ptr %a514
-  store { ptr, i64, i64 } %t517, ptr %a519
-  store { ptr, i64, i64 } { ptr @.str.3487, i64 6, i64 0 }, ptr %a520
-  call void @finch_str_concat(ptr %a518, ptr %a519, ptr %a520)
-  %t521 = load { ptr, i64, i64 }, ptr %a518
-  %t522 = load { ptr, i64, i64 }, ptr %a499
-  store { ptr, i64, i64 } %t521, ptr %a524
-  store { ptr, i64, i64 } %t522, ptr %a525
-  call void @finch_str_concat(ptr %a523, ptr %a524, ptr %a525)
-  %t526 = load { ptr, i64, i64 }, ptr %a523
-  %t527 = call { ptr, i64, i64 } @finch.gen.op(ptr %t501, { ptr, i64, i64 } %t526)
-  %t528 = load ptr, ptr %a1
-  %t529 = load { ptr, i64, i64 }, ptr %a468
-  %t530 = load %S.ast.Type, ptr %a4
-  %t531 = load i64, ptr %a342
-  %t532 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t528, { ptr, i64, i64 } %t529, %S.ast.Type %t530, i64 %t531)
-  %t533 = load %S.ast.Type, ptr %a347
-  call void @finch.gen.copyAt(ptr %t500, { ptr, i64, i64 } %t527, { ptr, i64, i64 } %t532, %S.ast.Type %t533)
-  %t534 = load ptr, ptr %a1
-  %t535 = load ptr, ptr %a1
-  %t536 = load { ptr, i64, i64 }, ptr %a499
-  store { ptr, i64, i64 } { ptr @.str.3489, i64 8, i64 0 }, ptr %a538
-  store { ptr, i64, i64 } %t536, ptr %a539
-  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
-  %t540 = load { ptr, i64, i64 }, ptr %a537
-  store { ptr, i64, i64 } %t540, ptr %a542
-  store { ptr, i64, i64 } { ptr @.str.3490, i64 3, i64 0 }, ptr %a543
-  call void @finch_str_concat(ptr %a541, ptr %a542, ptr %a543)
-  %t544 = load { ptr, i64, i64 }, ptr %a541
-  %t545 = call { ptr, i64, i64 } @finch.gen.op(ptr %t535, { ptr, i64, i64 } %t544)
-  %t546 = load { ptr, i64, i64 }, ptr %a426
-  call void @finch.gen.store(ptr %t534, { ptr, i64, i64 } { ptr @.str.3488, i64 3, i64 0 }, { ptr, i64, i64 } %t545, { ptr, i64, i64 } %t546)
-  %t547 = load ptr, ptr %a1
-  %t548 = load { ptr, i64, i64 }, ptr %a474
-  call void @finch.gen.br(ptr %t547, { ptr, i64, i64 } %t548)
-  %t549 = load ptr, ptr %a1
-  %t550 = load { ptr, i64, i64 }, ptr %a474
-  call void @finch.gen.label(ptr %t549, { ptr, i64, i64 } %t550)
-  %t551 = load ptr, ptr %a1
-  %t552 = load { ptr, i64, i64 }, ptr %a457
-  call void @finch.gen.loopEnd(ptr %t551, { ptr, i64, i64 } %t552)
-  %t553 = load ptr, ptr %a1
-  %t554 = load { ptr, i64, i64 }, ptr %a362
-  %t555 = call { ptr, i64, i64 } @finch.gen.load(ptr %t553, { ptr, i64, i64 } { ptr @.str.3491, i64 17, i64 0 }, { ptr, i64, i64 } %t554)
-  %t556 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t555, 0
-  %t557 = load %S.ast.Type, ptr %a359
-  store %S.ast.Type %t557, ptr %a558
-  call void @finch.copy.S_ast_Type(ptr %a559, ptr %a558)
-  %t560 = load %S.ast.Type, ptr %a559
-  %t561 = insertvalue %S.gen.Val %t556, %S.ast.Type %t560, 1
-  %t562 = insertvalue %S.gen.Val %t561, i1 true, 2
-  ret %S.gen.Val %t562
-endif5275:
-  %t563 = load ptr, ptr %a1
-  %t564 = load %S.ast.Node, ptr %a2
-  %t565 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.3492, i64 21, i64 0 }, ptr %a567
+  %t497 = load %S.ast.Node, ptr %a2
+  %t498 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch.gen.checkArgs(ptr %t496, %S.ast.Node %t497, i64 1, i64 0, { ptr, i64, i64 } %t498)
+  store i64 1, ptr %a499
+  %t500 = load %S.ast.Type, ptr %a21
+  store %S.ast.Type %t500, ptr %a501
+  call void @finch.copy.S_ast_Type(ptr %a502, ptr %a501)
+  %t503 = load %S.ast.Type, ptr %a502
+  store %S.ast.Type %t503, ptr %a504
+  %t505 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t505, ptr %a506
+  store { ptr, i64, i64 } { ptr @.str.3618, i64 6, i64 0 }, ptr %a507
+  %t508 = call i32 @finch_str_eq(ptr %a506, ptr %a507)
+  %t509 = icmp ne i32 %t508, 0
+  br i1 %t509, label %then5634, label %endif5636
+then5634:
+  store i64 2, ptr %a499
+  %t510 = load %S.ast.Type, ptr %a32
+  store %S.ast.Type %t510, ptr %a511
+  call void @finch.copy.S_ast_Type(ptr %a512, ptr %a511)
+  %t513 = load %S.ast.Type, ptr %a512
+  %t514 = load %S.ast.Type, ptr %a504
+  store %S.ast.Type %t513, ptr %a504
+  store %S.ast.Type %t514, ptr %a515
+  call void @finch.drop.S_ast_Type(ptr %a515)
+  br label %endif5636
+endif5636:
+  %t516 = load %S.ast.Type, ptr %a504
+  %t517 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t516)
+  store %S.ast.Type %t517, ptr %a518
+  %t519 = load ptr, ptr %a1
+  %t520 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t519, { ptr, i64, i64 } { ptr @.str.3619, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t520, ptr %a521
+  %t522 = load ptr, ptr %a1
+  %t523 = load { ptr, i64, i64 }, ptr %a521
+  call void @finch.gen.store(ptr %t522, { ptr, i64, i64 } { ptr @.str.3620, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.3621, i64 15, i64 0 }, { ptr, i64, i64 } %t523)
+  %t524 = load ptr, ptr %a1
+  %t525 = load ptr, ptr %a1
+  %t526 = load ptr, ptr %a1
+  %t527 = load %S.ast.Type, ptr %a4
+  %t528 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t526, %S.ast.Type %t527)
+  store { ptr, i64, i64 } { ptr @.str.3623, i64 23, i64 0 }, ptr %a530
+  store { ptr, i64, i64 } %t528, ptr %a531
+  call void @finch_str_concat(ptr %a529, ptr %a530, ptr %a531)
+  store { ptr, i64, i64 } %t528, ptr %a532
+  call void @finch_str_drop(ptr %a532)
+  %t533 = load { ptr, i64, i64 }, ptr %a529
+  store { ptr, i64, i64 } %t533, ptr %a535
+  store { ptr, i64, i64 } { ptr @.str.3624, i64 6, i64 0 }, ptr %a536
+  call void @finch_str_concat(ptr %a534, ptr %a535, ptr %a536)
+  store { ptr, i64, i64 } %t533, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  %t538 = load { ptr, i64, i64 }, ptr %a534
+  %t539 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t538, ptr %a541
+  store { ptr, i64, i64 } %t539, ptr %a542
+  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
+  store { ptr, i64, i64 } %t538, ptr %a543
+  call void @finch_str_drop(ptr %a543)
+  %t544 = load { ptr, i64, i64 }, ptr %a540
+  store { ptr, i64, i64 } %t544, ptr %a546
+  store { ptr, i64, i64 } { ptr @.str.3625, i64 14, i64 0 }, ptr %a547
+  call void @finch_str_concat(ptr %a545, ptr %a546, ptr %a547)
+  store { ptr, i64, i64 } %t544, ptr %a548
+  call void @finch_str_drop(ptr %a548)
+  %t549 = load { ptr, i64, i64 }, ptr %a545
+  %t550 = call { ptr, i64, i64 } @finch.gen.op(ptr %t525, { ptr, i64, i64 } %t549)
+  store { ptr, i64, i64 } %t549, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = call { ptr, i64, i64 } @finch.gen.load(ptr %t524, { ptr, i64, i64 } { ptr @.str.3622, i64 3, i64 0 }, { ptr, i64, i64 } %t550)
+  store { ptr, i64, i64 } %t550, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  store { ptr, i64, i64 } %t552, ptr %a554
+  %t555 = load ptr, ptr %a1
+  %t556 = load { ptr, i64, i64 }, ptr %a521
+  store { ptr, i64, i64 } { ptr @.str.3626, i64 30, i64 0 }, ptr %a558
+  store { ptr, i64, i64 } %t556, ptr %a559
+  call void @finch_str_concat(ptr %a557, ptr %a558, ptr %a559)
+  %t560 = load { ptr, i64, i64 }, ptr %a557
+  store { ptr, i64, i64 } %t560, ptr %a562
+  store { ptr, i64, i64 } { ptr @.str.3627, i64 6, i64 0 }, ptr %a563
+  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
+  store { ptr, i64, i64 } %t560, ptr %a564
+  call void @finch_str_drop(ptr %a564)
+  %t565 = load { ptr, i64, i64 }, ptr %a561
+  %t566 = load { ptr, i64, i64 }, ptr %a554
   store { ptr, i64, i64 } %t565, ptr %a568
-  call void @finch_str_concat(ptr %a566, ptr %a567, ptr %a568)
-  %t569 = load { ptr, i64, i64 }, ptr %a566
-  store { ptr, i64, i64 } %t569, ptr %a571
-  store { ptr, i64, i64 } { ptr @.str.3493, i64 49, i64 0 }, ptr %a572
-  call void @finch_str_concat(ptr %a570, ptr %a571, ptr %a572)
-  %t573 = load { ptr, i64, i64 }, ptr %a570
-  call void @finch.gen.fail(ptr %t563, %S.ast.Node %t564, { ptr, i64, i64 } %t573)
+  store { ptr, i64, i64 } %t566, ptr %a569
+  call void @finch_str_concat(ptr %a567, ptr %a568, ptr %a569)
+  store { ptr, i64, i64 } %t565, ptr %a570
+  call void @finch_str_drop(ptr %a570)
+  %t571 = load { ptr, i64, i64 }, ptr %a567
+  store { ptr, i64, i64 } %t571, ptr %a573
+  store { ptr, i64, i64 } { ptr @.str.3628, i64 6, i64 0 }, ptr %a574
+  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
+  store { ptr, i64, i64 } %t571, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  %t576 = load { ptr, i64, i64 }, ptr %a572
+  %t577 = load ptr, ptr %a1
+  %t578 = load %S.ast.Type, ptr %a504
+  %t579 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t577, %S.ast.Type %t578)
+  store { ptr, i64, i64 } %t576, ptr %a581
+  store { ptr, i64, i64 } %t579, ptr %a582
+  call void @finch_str_concat(ptr %a580, ptr %a581, ptr %a582)
+  store { ptr, i64, i64 } %t576, ptr %a583
+  call void @finch_str_drop(ptr %a583)
+  store { ptr, i64, i64 } %t579, ptr %a584
+  call void @finch_str_drop(ptr %a584)
+  %t585 = load { ptr, i64, i64 }, ptr %a580
+  store { ptr, i64, i64 } %t585, ptr %a587
+  store { ptr, i64, i64 } { ptr @.str.3629, i64 1, i64 0 }, ptr %a588
+  call void @finch_str_concat(ptr %a586, ptr %a587, ptr %a588)
+  store { ptr, i64, i64 } %t585, ptr %a589
+  call void @finch_str_drop(ptr %a589)
+  %t590 = load { ptr, i64, i64 }, ptr %a586
+  call void @finch.gen.emit(ptr %t555, { ptr, i64, i64 } %t590)
+  store { ptr, i64, i64 } %t590, ptr %a591
+  call void @finch_str_drop(ptr %a591)
+  %t592 = load ptr, ptr %a1
+  %t593 = load { ptr, i64, i64 }, ptr %a521
+  %t594 = call { ptr, i64, i64 } @finch.gen.load(ptr %t592, { ptr, i64, i64 } { ptr @.str.3630, i64 3, i64 0 }, { ptr, i64, i64 } %t593)
+  store { ptr, i64, i64 } %t594, ptr %a595
+  %t596 = load ptr, ptr %a1
+  %t597 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t596, { ptr, i64, i64 } { ptr @.str.3631, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t597, ptr %a598
+  %t599 = load ptr, ptr %a1
+  %t600 = load { ptr, i64, i64 }, ptr %a598
+  call void @finch.gen.store(ptr %t599, { ptr, i64, i64 } { ptr @.str.3632, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.3633, i64 1, i64 0 }, { ptr, i64, i64 } %t600)
+  %t601 = load ptr, ptr %a1
+  %t602 = load ptr, ptr %a1
+  %t603 = load ptr, ptr %a1
+  %t604 = load %S.ast.Type, ptr %a4
+  %t605 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t603, %S.ast.Type %t604)
+  store { ptr, i64, i64 } { ptr @.str.3635, i64 23, i64 0 }, ptr %a607
+  store { ptr, i64, i64 } %t605, ptr %a608
+  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
+  store { ptr, i64, i64 } %t605, ptr %a609
+  call void @finch_str_drop(ptr %a609)
+  %t610 = load { ptr, i64, i64 }, ptr %a606
+  store { ptr, i64, i64 } %t610, ptr %a612
+  store { ptr, i64, i64 } { ptr @.str.3636, i64 6, i64 0 }, ptr %a613
+  call void @finch_str_concat(ptr %a611, ptr %a612, ptr %a613)
+  store { ptr, i64, i64 } %t610, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = load { ptr, i64, i64 }, ptr %a611
+  %t616 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t615, ptr %a618
+  store { ptr, i64, i64 } %t616, ptr %a619
+  call void @finch_str_concat(ptr %a617, ptr %a618, ptr %a619)
+  store { ptr, i64, i64 } %t615, ptr %a620
+  call void @finch_str_drop(ptr %a620)
+  %t621 = load { ptr, i64, i64 }, ptr %a617
+  store { ptr, i64, i64 } %t621, ptr %a623
+  store { ptr, i64, i64 } { ptr @.str.3637, i64 14, i64 0 }, ptr %a624
+  call void @finch_str_concat(ptr %a622, ptr %a623, ptr %a624)
+  store { ptr, i64, i64 } %t621, ptr %a625
+  call void @finch_str_drop(ptr %a625)
+  %t626 = load { ptr, i64, i64 }, ptr %a622
+  %t627 = call { ptr, i64, i64 } @finch.gen.op(ptr %t602, { ptr, i64, i64 } %t626)
+  store { ptr, i64, i64 } %t626, ptr %a628
+  call void @finch_str_drop(ptr %a628)
+  %t629 = call { ptr, i64, i64 } @finch.gen.load(ptr %t601, { ptr, i64, i64 } { ptr @.str.3634, i64 3, i64 0 }, { ptr, i64, i64 } %t627)
+  store { ptr, i64, i64 } %t627, ptr %a630
+  call void @finch_str_drop(ptr %a630)
+  store { ptr, i64, i64 } %t629, ptr %a631
+  %t632 = load ptr, ptr %a1
+  %t633 = load { ptr, i64, i64 }, ptr %a631
+  %t634 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t632, { ptr, i64, i64 } %t633)
+  store { ptr, i64, i64 } %t634, ptr %a635
+  %t636 = load ptr, ptr %a1
+  %t637 = load { ptr, i64, i64 }, ptr %a3
+  %t638 = load %S.ast.Type, ptr %a4
+  %t639 = load { ptr, i64, i64 }, ptr %a635
+  %t640 = extractvalue { ptr, i64, i64 } %t639, 1
+  %t641 = icmp uge i64 3, %t640
+  br i1 %t641, label %range5637, label %inrange5638
+range5637:
+  call void @finch_panic_index(ptr @.str.3638, i64 2926, i64 3, i64 %t640)
+  unreachable
+inrange5638:
+  %t642 = extractvalue { ptr, i64, i64 } %t639, 0
+  %t643 = getelementptr inbounds { ptr, i64, i64 }, ptr %t642, i64 3
+  %t644 = load { ptr, i64, i64 }, ptr %t643
+  %t645 = call { ptr, i64, i64 } @finch.gen.entryAt(ptr %t636, { ptr, i64, i64 } %t637, %S.ast.Type %t638, { ptr, i64, i64 } %t644)
+  store { ptr, i64, i64 } %t645, ptr %a646
+  %t647 = load ptr, ptr %a1
+  %t648 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t647, { ptr, i64, i64 } { ptr @.str.3639, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t648, ptr %a649
+  %t650 = load ptr, ptr %a1
+  %t651 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t650, { ptr, i64, i64 } { ptr @.str.3640, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t651, ptr %a652
+  %t653 = load ptr, ptr %a1
+  %t654 = load ptr, ptr %a1
+  %t655 = load ptr, ptr %a1
+  %t656 = load ptr, ptr %a1
+  %t657 = load { ptr, i64, i64 }, ptr %a646
+  %t658 = load %S.ast.Type, ptr %a4
+  %t659 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t656, { ptr, i64, i64 } %t657, %S.ast.Type %t658, i64 0)
+  %t660 = call { ptr, i64, i64 } @finch.gen.load(ptr %t655, { ptr, i64, i64 } { ptr @.str.3642, i64 3, i64 0 }, { ptr, i64, i64 } %t659)
+  store { ptr, i64, i64 } %t659, ptr %a661
+  call void @finch_str_drop(ptr %a661)
+  store { ptr, i64, i64 } { ptr @.str.3641, i64 12, i64 0 }, ptr %a663
+  store { ptr, i64, i64 } %t660, ptr %a664
+  call void @finch_str_concat(ptr %a662, ptr %a663, ptr %a664)
+  store { ptr, i64, i64 } %t660, ptr %a665
+  call void @finch_str_drop(ptr %a665)
+  %t666 = load { ptr, i64, i64 }, ptr %a662
+  store { ptr, i64, i64 } %t666, ptr %a668
+  store { ptr, i64, i64 } { ptr @.str.3643, i64 3, i64 0 }, ptr %a669
+  call void @finch_str_concat(ptr %a667, ptr %a668, ptr %a669)
+  store { ptr, i64, i64 } %t666, ptr %a670
+  call void @finch_str_drop(ptr %a670)
+  %t671 = load { ptr, i64, i64 }, ptr %a667
+  %t672 = call { ptr, i64, i64 } @finch.gen.op(ptr %t654, { ptr, i64, i64 } %t671)
+  store { ptr, i64, i64 } %t671, ptr %a673
+  call void @finch_str_drop(ptr %a673)
+  %t674 = load { ptr, i64, i64 }, ptr %a649
+  %t675 = load { ptr, i64, i64 }, ptr %a652
+  call void @finch.gen.condBr(ptr %t653, { ptr, i64, i64 } %t672, { ptr, i64, i64 } %t674, { ptr, i64, i64 } %t675)
+  store { ptr, i64, i64 } %t672, ptr %a676
+  call void @finch_str_drop(ptr %a676)
+  %t677 = load ptr, ptr %a1
+  %t678 = load { ptr, i64, i64 }, ptr %a649
+  call void @finch.gen.label(ptr %t677, { ptr, i64, i64 } %t678)
+  %t679 = load ptr, ptr %a1
+  %t680 = load { ptr, i64, i64 }, ptr %a598
+  %t681 = call { ptr, i64, i64 } @finch.gen.load(ptr %t679, { ptr, i64, i64 } { ptr @.str.3644, i64 3, i64 0 }, { ptr, i64, i64 } %t680)
+  store { ptr, i64, i64 } %t681, ptr %a682
+  %t683 = load ptr, ptr %a1
+  %t684 = load ptr, ptr %a1
+  %t685 = load ptr, ptr %a1
+  %t686 = load %S.ast.Type, ptr %a504
+  %t687 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t685, %S.ast.Type %t686)
+  store { ptr, i64, i64 } { ptr @.str.3645, i64 23, i64 0 }, ptr %a689
+  store { ptr, i64, i64 } %t687, ptr %a690
+  call void @finch_str_concat(ptr %a688, ptr %a689, ptr %a690)
+  store { ptr, i64, i64 } %t687, ptr %a691
+  call void @finch_str_drop(ptr %a691)
+  %t692 = load { ptr, i64, i64 }, ptr %a688
+  store { ptr, i64, i64 } %t692, ptr %a694
+  store { ptr, i64, i64 } { ptr @.str.3646, i64 6, i64 0 }, ptr %a695
+  call void @finch_str_concat(ptr %a693, ptr %a694, ptr %a695)
+  store { ptr, i64, i64 } %t692, ptr %a696
+  call void @finch_str_drop(ptr %a696)
+  %t697 = load { ptr, i64, i64 }, ptr %a693
+  %t698 = load { ptr, i64, i64 }, ptr %a595
+  store { ptr, i64, i64 } %t697, ptr %a700
+  store { ptr, i64, i64 } %t698, ptr %a701
+  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
+  store { ptr, i64, i64 } %t697, ptr %a702
+  call void @finch_str_drop(ptr %a702)
+  %t703 = load { ptr, i64, i64 }, ptr %a699
+  store { ptr, i64, i64 } %t703, ptr %a705
+  store { ptr, i64, i64 } { ptr @.str.3647, i64 6, i64 0 }, ptr %a706
+  call void @finch_str_concat(ptr %a704, ptr %a705, ptr %a706)
+  store { ptr, i64, i64 } %t703, ptr %a707
+  call void @finch_str_drop(ptr %a707)
+  %t708 = load { ptr, i64, i64 }, ptr %a704
+  %t709 = load { ptr, i64, i64 }, ptr %a682
+  store { ptr, i64, i64 } %t708, ptr %a711
+  store { ptr, i64, i64 } %t709, ptr %a712
+  call void @finch_str_concat(ptr %a710, ptr %a711, ptr %a712)
+  store { ptr, i64, i64 } %t708, ptr %a713
+  call void @finch_str_drop(ptr %a713)
+  %t714 = load { ptr, i64, i64 }, ptr %a710
+  %t715 = call { ptr, i64, i64 } @finch.gen.op(ptr %t684, { ptr, i64, i64 } %t714)
+  store { ptr, i64, i64 } %t714, ptr %a716
+  call void @finch_str_drop(ptr %a716)
+  %t717 = load ptr, ptr %a1
+  %t718 = load { ptr, i64, i64 }, ptr %a646
+  %t719 = load %S.ast.Type, ptr %a4
+  %t720 = load i64, ptr %a499
+  %t721 = call { ptr, i64, i64 } @finch.gen.entryField(ptr %t717, { ptr, i64, i64 } %t718, %S.ast.Type %t719, i64 %t720)
+  %t722 = load %S.ast.Type, ptr %a504
+  call void @finch.gen.copyAt(ptr %t683, { ptr, i64, i64 } %t715, { ptr, i64, i64 } %t721, %S.ast.Type %t722)
+  store { ptr, i64, i64 } %t715, ptr %a723
+  call void @finch_str_drop(ptr %a723)
+  store { ptr, i64, i64 } %t721, ptr %a724
+  call void @finch_str_drop(ptr %a724)
+  %t725 = load ptr, ptr %a1
+  %t726 = load ptr, ptr %a1
+  %t727 = load { ptr, i64, i64 }, ptr %a682
+  store { ptr, i64, i64 } { ptr @.str.3649, i64 8, i64 0 }, ptr %a729
+  store { ptr, i64, i64 } %t727, ptr %a730
+  call void @finch_str_concat(ptr %a728, ptr %a729, ptr %a730)
+  %t731 = load { ptr, i64, i64 }, ptr %a728
+  store { ptr, i64, i64 } %t731, ptr %a733
+  store { ptr, i64, i64 } { ptr @.str.3650, i64 3, i64 0 }, ptr %a734
+  call void @finch_str_concat(ptr %a732, ptr %a733, ptr %a734)
+  store { ptr, i64, i64 } %t731, ptr %a735
+  call void @finch_str_drop(ptr %a735)
+  %t736 = load { ptr, i64, i64 }, ptr %a732
+  %t737 = call { ptr, i64, i64 } @finch.gen.op(ptr %t726, { ptr, i64, i64 } %t736)
+  store { ptr, i64, i64 } %t736, ptr %a738
+  call void @finch_str_drop(ptr %a738)
+  %t739 = load { ptr, i64, i64 }, ptr %a598
+  call void @finch.gen.store(ptr %t725, { ptr, i64, i64 } { ptr @.str.3648, i64 3, i64 0 }, { ptr, i64, i64 } %t737, { ptr, i64, i64 } %t739)
+  store { ptr, i64, i64 } %t737, ptr %a740
+  call void @finch_str_drop(ptr %a740)
+  %t741 = load ptr, ptr %a1
+  %t742 = load { ptr, i64, i64 }, ptr %a652
+  call void @finch.gen.br(ptr %t741, { ptr, i64, i64 } %t742)
+  %t743 = load ptr, ptr %a1
+  %t744 = load { ptr, i64, i64 }, ptr %a652
+  call void @finch.gen.label(ptr %t743, { ptr, i64, i64 } %t744)
+  %t745 = load ptr, ptr %a1
+  %t746 = load { ptr, i64, i64 }, ptr %a635
+  call void @finch.gen.loopEnd(ptr %t745, { ptr, i64, i64 } %t746)
+  %t747 = load ptr, ptr %a1
+  %t748 = load { ptr, i64, i64 }, ptr %a521
+  %t749 = call { ptr, i64, i64 } @finch.gen.load(ptr %t747, { ptr, i64, i64 } { ptr @.str.3651, i64 17, i64 0 }, { ptr, i64, i64 } %t748)
+  %t750 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t749, 0
+  %t751 = load %S.ast.Type, ptr %a518
+  store %S.ast.Type %t751, ptr %a752
+  call void @finch.copy.S_ast_Type(ptr %a753, ptr %a752)
+  %t754 = load %S.ast.Type, ptr %a753
+  %t755 = insertvalue %S.gen.Val %t750, %S.ast.Type %t754, 1
+  %t756 = insertvalue %S.gen.Val %t755, i1 true, 2
+  call void @finch_str_drop(ptr %a682)
+  call void @finch_str_drop(ptr %a652)
+  call void @finch_str_drop(ptr %a649)
+  call void @finch_str_drop(ptr %a646)
+  call void @finch.drop.arr_str(ptr %a635)
+  call void @finch_str_drop(ptr %a631)
+  call void @finch_str_drop(ptr %a598)
+  call void @finch_str_drop(ptr %a595)
+  call void @finch_str_drop(ptr %a554)
+  call void @finch_str_drop(ptr %a521)
+  call void @finch.drop.S_ast_Type(ptr %a518)
+  call void @finch.drop.S_ast_Type(ptr %a504)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
+  ret %S.gen.Val %t756
+endif5633:
+  %t757 = load ptr, ptr %a1
+  %t758 = load %S.ast.Node, ptr %a2
+  %t759 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.3652, i64 21, i64 0 }, ptr %a761
+  store { ptr, i64, i64 } %t759, ptr %a762
+  call void @finch_str_concat(ptr %a760, ptr %a761, ptr %a762)
+  %t763 = load { ptr, i64, i64 }, ptr %a760
+  store { ptr, i64, i64 } %t763, ptr %a765
+  store { ptr, i64, i64 } { ptr @.str.3653, i64 49, i64 0 }, ptr %a766
+  call void @finch_str_concat(ptr %a764, ptr %a765, ptr %a766)
+  store { ptr, i64, i64 } %t763, ptr %a767
+  call void @finch_str_drop(ptr %a767)
+  %t768 = load { ptr, i64, i64 }, ptr %a764
+  call void @finch.gen.fail(ptr %t757, %S.ast.Node %t758, { ptr, i64, i64 } %t768)
+  store { ptr, i64, i64 } %t768, ptr %a769
+  call void @finch_str_drop(ptr %a769)
+  call void @finch.drop.S_ast_Type(ptr %a32)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  call void @finch_str_drop(ptr %a10)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -48796,71 +57899,79 @@ entry:
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca %S.ast.Type, align 16
-  %a111 = alloca %S.ast.Type, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca %S.ast.Type, align 16
+  %a118 = alloca %S.ast.Type, align 16
+  %a129 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.3494, i64 4, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3654, i64 4, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.from5281
-logic.from5281:
-  br i1 %t9, label %logic.rhs5282, label %logic.end5283
-logic.rhs5282:
+  br label %logic.from5639
+logic.from5639:
+  br i1 %t9, label %logic.rhs5640, label %logic.end5641
+logic.rhs5640:
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t11 = load { ptr, i64, i64 }, ptr %t10
   store { ptr, i64, i64 } %t11, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.3495, i64 3, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.3655, i64 3, i64 0 }, ptr %a13
   %t14 = call i32 @finch_str_eq(ptr %a12, ptr %a13)
   %t15 = icmp ne i32 %t14, 0
-  br label %logic.rend5284
-logic.rend5284:
-  br label %logic.end5283
-logic.end5283:
-  %t16 = phi i1 [ false, %logic.from5281 ], [ %t15, %logic.rend5284 ]
-  br label %logic.from5285
-logic.from5285:
-  br i1 %t16, label %logic.rhs5286, label %logic.end5287
-logic.rhs5286:
+  br label %logic.rend5642
+logic.rend5642:
+  br label %logic.end5641
+logic.end5641:
+  %t16 = phi i1 [ false, %logic.from5639 ], [ %t15, %logic.rend5642 ]
+  br label %logic.from5643
+logic.from5643:
+  br i1 %t16, label %logic.rhs5644, label %logic.end5645
+logic.rhs5644:
   %t17 = load ptr, ptr %a1
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t19 = load { ptr, i64, i64 }, ptr %t18
   %t20 = call i64 @finch.gen.lookup(ptr %t17, { ptr, i64, i64 } %t19)
   %t21 = icmp slt i64 %t20, 0
-  br label %logic.rend5288
-logic.rend5288:
-  br label %logic.end5287
-logic.end5287:
-  %t22 = phi i1 [ false, %logic.from5285 ], [ %t21, %logic.rend5288 ]
-  br i1 %t22, label %then5289, label %endif5291
-then5289:
+  br label %logic.rend5646
+logic.rend5646:
+  br label %logic.end5645
+logic.end5645:
+  %t22 = phi i1 [ false, %logic.from5643 ], [ %t21, %logic.rend5646 ]
+  br i1 %t22, label %then5647, label %endif5649
+then5647:
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic5292, label %ok5293
-panic5292:
-  call void @finch_panic(ptr @.str.3496, i64 2701, ptr @.str.3497)
+  br i1 %t24, label %panic5650, label %ok5651
+panic5650:
+  call void @finch_panic(ptr @.str.3656, i64 2948, ptr @.str.3657)
   unreachable
-ok5293:
-  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 20
+ok5651:
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 21
   %t26 = load ptr, ptr %a1
   %t27 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 3
   %t28 = load { ptr, i64, i64 }, ptr %t27
@@ -48870,11 +57981,11 @@ ok5293:
   %t32 = load { ptr, i64, i64 }, ptr %t25
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range5294, label %inrange5295
-range5294:
-  call void @finch_panic_index(ptr @.str.3498, i64 2701, i64 %t31, i64 %t33)
+  br i1 %t34, label %range5652, label %inrange5653
+range5652:
+  call void @finch_panic_index(ptr @.str.3658, i64 2948, i64 %t31, i64 %t33)
   unreachable
-inrange5295:
+inrange5653:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds %S.gen.EnumDef, ptr %t35, i64 %t31
   %t37 = load %S.gen.EnumDef, ptr %t36
@@ -48890,103 +58001,120 @@ inrange5295:
   %t47 = load i64, ptr %t43
   %t48 = load ptr, ptr %t42
   store i64 0, ptr %a49
-  br label %find.cond5296
-find.cond5296:
+  br label %find.cond5654
+find.cond5654:
   %t50 = load i64, ptr %a49
   %t51 = icmp slt i64 %t50, %t47
-  br i1 %t51, label %find.body5297, label %find.end5300
-find.body5297:
+  br i1 %t51, label %find.body5655, label %find.end5658
+find.body5655:
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i64 %t50
   %t53 = load { ptr, i64, i64 }, ptr %t52
   store { ptr, i64, i64 } %t53, ptr %a54
   store { ptr, i64, i64 } %t45, ptr %a55
   %t56 = call i32 @finch_str_eq(ptr %a54, ptr %a55)
   %t57 = icmp ne i32 %t56, 0
-  br i1 %t57, label %find.hit5298, label %find.next5299
-find.hit5298:
+  br i1 %t57, label %find.hit5656, label %find.next5657
+find.hit5656:
   store i64 %t50, ptr %a46
-  br label %find.end5300
-find.next5299:
+  br label %find.end5658
+find.next5657:
   %t58 = add i64 %t50, 1
   store i64 %t58, ptr %a49
-  br label %find.cond5296
-find.end5300:
+  br label %find.cond5654
+find.end5658:
   %t59 = load i64, ptr %a46
   store i64 %t59, ptr %a60
   %t61 = load i64, ptr %a60
   %t62 = icmp slt i64 %t61, 0
-  br i1 %t62, label %then5301, label %endif5303
-then5301:
+  br i1 %t62, label %then5659, label %endif5661
+then5659:
   %t63 = load ptr, ptr %a1
   %t64 = load %S.ast.Node, ptr %a2
   %t65 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } { ptr @.str.3499, i64 1, i64 0 }, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.3659, i64 1, i64 0 }, ptr %a68
   store { ptr, i64, i64 } %t66, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
   %t70 = load { ptr, i64, i64 }, ptr %a67
   store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.3500, i64 22, i64 0 }, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.3660, i64 22, i64 0 }, ptr %a73
   call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 1
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  store { ptr, i64, i64 } %t74, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } %t80, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.3501, i64 10, i64 0 }, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  %t85 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 2
-  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.3502, i64 2, i64 0 }, ptr %a87
-  call void @finch_str_join(ptr %a88, ptr %t85, ptr %a87)
-  %t89 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t84, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.3503, i64 1, i64 0 }, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  call void @finch.gen.fail(ptr %t63, %S.ast.Node %t64, { ptr, i64, i64 } %t97)
-  br label %endif5303
-endif5303:
-  %t98 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 3
-  %t99 = load i64, ptr %a60
-  %t100 = load { ptr, i64, i64 }, ptr %t98
-  %t101 = extractvalue { ptr, i64, i64 } %t100, 1
-  %t102 = icmp uge i64 %t99, %t101
-  br i1 %t102, label %range5304, label %inrange5305
-range5304:
-  call void @finch_panic_index(ptr @.str.3504, i64 2706, i64 %t99, i64 %t101)
+  store { ptr, i64, i64 } %t70, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  %t76 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 1
+  %t77 = load { ptr, i64, i64 }, ptr %t76
+  store { ptr, i64, i64 } %t75, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t75, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t82, ptr %a84
+  store { ptr, i64, i64 } { ptr @.str.3661, i64 10, i64 0 }, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t82, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  %t88 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 2
+  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t88, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3662, i64 2, i64 0 }, ptr %a90
+  call void @finch_str_join(ptr %a91, ptr %t88, ptr %a90)
+  %t92 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } %t87, ptr %a94
+  store { ptr, i64, i64 } %t92, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t87, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  store { ptr, i64, i64 } %t92, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t98, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.3663, i64 1, i64 0 }, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  call void @finch.gen.fail(ptr %t63, %S.ast.Node %t64, { ptr, i64, i64 } %t103)
+  store { ptr, i64, i64 } %t103, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  br label %endif5661
+endif5661:
+  %t105 = getelementptr inbounds %S.gen.EnumDef, ptr %a41, i32 0, i32 3
+  %t106 = load i64, ptr %a60
+  %t107 = load { ptr, i64, i64 }, ptr %t105
+  %t108 = extractvalue { ptr, i64, i64 } %t107, 1
+  %t109 = icmp uge i64 %t106, %t108
+  br i1 %t109, label %range5662, label %inrange5663
+range5662:
+  call void @finch_panic_index(ptr @.str.3664, i64 2953, i64 %t106, i64 %t108)
   unreachable
-inrange5305:
-  %t103 = extractvalue { ptr, i64, i64 } %t100, 0
-  %t104 = getelementptr inbounds i64, ptr %t103, i64 %t99
-  %t105 = load i64, ptr %t104
-  call void @finch_str_from_int(ptr %a106, i64 %t105)
-  %t107 = load { ptr, i64, i64 }, ptr %a106
-  %t108 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t107, 0
-  %t109 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t109, ptr %a110
-  call void @finch.copy.S_ast_Type(ptr %a111, ptr %a110)
-  %t112 = load %S.ast.Type, ptr %a111
-  %t113 = insertvalue %S.gen.Val %t108, %S.ast.Type %t112, 1
-  ret %S.gen.Val %t113
-endif5291:
-  %t114 = load ptr, ptr %a1
-  %t115 = load ptr, ptr %a1
-  %t116 = load %S.ast.Node, ptr %a2
-  %t117 = load %S.ast.Type, ptr %a3
-  %t118 = call %S.gen.Val @finch.gen.exprWant(ptr %t115, %S.ast.Node %t116, %S.ast.Type %t117)
-  %t119 = load %S.ast.Type, ptr %a3
-  %t120 = load %S.ast.Node, ptr %a2
-  %t121 = call %S.gen.Val @finch.gen.coerce(ptr %t114, %S.gen.Val %t118, %S.ast.Type %t119, %S.ast.Node %t120, { ptr, i64, i64 } { ptr @.str.3505, i64 12, i64 0 })
-  ret %S.gen.Val %t121
+inrange5663:
+  %t110 = extractvalue { ptr, i64, i64 } %t107, 0
+  %t111 = getelementptr inbounds i64, ptr %t110, i64 %t106
+  %t112 = load i64, ptr %t111
+  call void @finch_str_from_int(ptr %a113, i64 %t112)
+  %t114 = load { ptr, i64, i64 }, ptr %a113
+  %t115 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t114, 0
+  %t116 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t116, ptr %a117
+  call void @finch.copy.S_ast_Type(ptr %a118, ptr %a117)
+  %t119 = load %S.ast.Type, ptr %a118
+  %t120 = insertvalue %S.gen.Val %t115, %S.ast.Type %t119, 1
+  call void @finch.drop.S_gen_EnumDef(ptr %a41)
+  ret %S.gen.Val %t120
+endif5649:
+  %t121 = load ptr, ptr %a1
+  %t122 = load ptr, ptr %a1
+  %t123 = load %S.ast.Node, ptr %a2
+  %t124 = load %S.ast.Type, ptr %a3
+  %t125 = call %S.gen.Val @finch.gen.exprWant(ptr %t122, %S.ast.Node %t123, %S.ast.Type %t124)
+  %t126 = load %S.ast.Type, ptr %a3
+  %t127 = load %S.ast.Node, ptr %a2
+  %t128 = call %S.gen.Val @finch.gen.coerce(ptr %t121, %S.gen.Val %t125, %S.ast.Type %t126, %S.ast.Node %t127, { ptr, i64, i64 } { ptr @.str.3665, i64 12, i64 0 })
+  store %S.gen.Val %t125, ptr %a129
+  call void @finch.drop.S_gen_Val(ptr %a129)
+  ret %S.gen.Val %t128
 }
 
 define internal %S.gen.Val @finch.gen.matchGen(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -49002,94 +58130,110 @@ entry:
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca i1, align 16
-  %a45 = alloca i1, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca %S.ast.Type, align 16
-  %a55 = alloca i64, align 16
-  %a57 = alloca i64, align 16
-  %a69 = alloca %S.ast.Node, align 16
-  %a70 = alloca %S.ast.Node, align 16
-  %a72 = alloca %S.ast.Node, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca i64, align 16
-  %a113 = alloca %S.gen.Val, align 16
-  %a117 = alloca i64, align 16
-  %a120 = alloca i64, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca i64, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca i1, align 16
+  %a53 = alloca i1, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca %S.ast.Type, align 16
+  %a63 = alloca i64, align 16
+  %a65 = alloca i64, align 16
+  %a77 = alloca %S.ast.Node, align 16
+  %a78 = alloca %S.ast.Node, align 16
+  %a80 = alloca %S.ast.Node, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca i64, align 16
+  %a121 = alloca %S.gen.Val, align 16
+  %a125 = alloca i64, align 16
+  %a128 = alloca i64, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca %S.gen.Val, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca %S.ast.Node, align 16
-  %a201 = alloca %S.ast.Node, align 16
-  %a203 = alloca %S.ast.Node, align 16
-  %a208 = alloca %S.gen.Val, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca %S.gen.Val, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca %S.ast.Node, align 16
+  %a209 = alloca %S.ast.Node, align 16
+  %a211 = alloca %S.ast.Node, align 16
+  %a216 = alloca %S.gen.Val, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca %S.ast.Type, align 16
-  %a238 = alloca %S.ast.Type, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca %S.ast.Type, align 16
+  %a246 = alloca %S.ast.Type, align 16
+  %a249 = alloca %S.ast.Type, align 16
+  %a256 = alloca %S.gen.Val, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
   %a279 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca %S.gen.EnumDef, align 16
-  %a324 = alloca %S.gen.EnumDef, align 16
-  %a326 = alloca %S.gen.EnumDef, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca i64, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca i64, align 16
-  %a348 = alloca i64, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca %S.gen.EnumDef, align 16
+  %a336 = alloca %S.gen.EnumDef, align 16
+  %a338 = alloca %S.gen.EnumDef, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca i64, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca i64, align 16
+  %a360 = alloca i64, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a385 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a389 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
   %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
   %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
   %a406 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
-  %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca %S.ast.Type, align 16
-  %a448 = alloca %S.ast.Type, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a450 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a457 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca %S.ast.Type, align 16
+  %a474 = alloca %S.ast.Type, align 16
+  %a481 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -49098,11 +58242,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range5306, label %inrange5307
-range5306:
-  call void @finch_panic_index(ptr @.str.3506, i64 2714, i64 0, i64 %t7)
+  br i1 %t8, label %range5664, label %inrange5665
+range5664:
+  call void @finch_panic_index(ptr @.str.3666, i64 2961, i64 0, i64 %t7)
   unreachable
-inrange5307:
+inrange5665:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
@@ -49117,713 +58261,802 @@ inrange5307:
   %t20 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.3507, i64 4, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3667, i64 4, i64 0 }, ptr %a23
   %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
   %t25 = icmp ne i32 %t24, 0
-  br label %logic.from5308
-logic.from5308:
-  br i1 %t25, label %logic.end5310, label %logic.rhs5309
-logic.rhs5309:
+  br label %logic.from5666
+logic.from5666:
+  br i1 %t25, label %logic.end5668, label %logic.rhs5667
+logic.rhs5667:
   %t26 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.3508, i64 4, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.3668, i64 4, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend5311
-logic.rend5311:
-  br label %logic.end5310
-logic.end5310:
-  %t32 = phi i1 [ true, %logic.from5308 ], [ %t31, %logic.rend5311 ]
-  br i1 %t32, label %then5312, label %endif5314
-then5312:
+  br label %logic.rend5669
+logic.rend5669:
+  br label %logic.end5668
+logic.end5668:
+  %t32 = phi i1 [ true, %logic.from5666 ], [ %t31, %logic.rend5669 ]
+  br i1 %t32, label %then5670, label %endif5672
+then5670:
   %t33 = load ptr, ptr %a1
   %t34 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t35 = load { ptr, i64, i64 }, ptr %t34
   %t36 = extractvalue { ptr, i64, i64 } %t35, 1
   %t37 = icmp uge i64 0, %t36
-  br i1 %t37, label %range5315, label %inrange5316
-range5315:
-  call void @finch_panic_index(ptr @.str.3509, i64 2717, i64 0, i64 %t36)
+  br i1 %t37, label %range5673, label %inrange5674
+range5673:
+  call void @finch_panic_index(ptr @.str.3669, i64 2964, i64 0, i64 %t36)
   unreachable
-inrange5316:
+inrange5674:
   %t38 = extractvalue { ptr, i64, i64 } %t35, 0
   %t39 = getelementptr inbounds %S.ast.Node, ptr %t38, i64 0
   %t40 = load %S.ast.Node, ptr %t39
-  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t40, { ptr, i64, i64 } { ptr @.str.3510, i64 30, i64 0 })
-  br label %endif5314
-endif5314:
+  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t40, { ptr, i64, i64 } { ptr @.str.3670, i64 30, i64 0 })
+  br label %endif5672
+endif5672:
   %t41 = load ptr, ptr %a1
-  %t42 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t41, { ptr, i64, i64 } { ptr @.str.3511, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t42, ptr %a43
-  store i1 false, ptr %a44
-  store i1 false, ptr %a45
-  store { ptr, i64, i64 } zeroinitializer, ptr %a46
-  store { ptr, i64, i64 } zeroinitializer, ptr %a47
-  store { ptr, i64, i64 } zeroinitializer, ptr %a48
-  %t49 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3512, i64 4, i64 0 })
-  store %S.ast.Type %t49, ptr %a50
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i32 0, i32 1
-  %t53 = load i64, ptr %t52
-  %t54 = sub i64 %t53, 1
-  store i64 %t54, ptr %a55
-  %t56 = load i64, ptr %a55
-  store i64 0, ptr %a57
-  br label %for.cond5317
-for.cond5317:
-  %t58 = load i64, ptr %a57
-  %t59 = icmp slt i64 %t58, %t56
-  br i1 %t59, label %for.body5318, label %for.end5320
-for.body5318:
-  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t61 = load i64, ptr %a57
-  %t62 = add i64 1, %t61
-  %t63 = load { ptr, i64, i64 }, ptr %t60
-  %t64 = extractvalue { ptr, i64, i64 } %t63, 1
-  %t65 = icmp uge i64 %t62, %t64
-  br i1 %t65, label %range5321, label %inrange5322
-range5321:
-  call void @finch_panic_index(ptr @.str.3513, i64 2728, i64 %t62, i64 %t64)
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic5675, label %ok5676
+panic5675:
+  call void @finch_panic(ptr @.str.3671, i64 2966, ptr @.str.3672)
   unreachable
-inrange5322:
-  %t66 = extractvalue { ptr, i64, i64 } %t63, 0
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %t66, i64 %t62
-  %t68 = load %S.ast.Node, ptr %t67
-  store %S.ast.Node %t68, ptr %a69
-  call void @finch.copy.S_ast_Node(ptr %a70, ptr %a69)
-  %t71 = load %S.ast.Node, ptr %a70
-  store %S.ast.Node %t71, ptr %a72
-  %t73 = load i1, ptr %a44
-  br i1 %t73, label %then5323, label %endif5325
-then5323:
-  %t74 = load ptr, ptr %a1
-  %t75 = load %S.ast.Node, ptr %a72
-  call void @finch.gen.fail(ptr %t74, %S.ast.Node %t75, { ptr, i64, i64 } { ptr @.str.3514, i64 72, i64 0 })
-  br label %endif5325
-endif5325:
-  %t76 = load ptr, ptr %a1
-  %t77 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t76, { ptr, i64, i64 } { ptr @.str.3515, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t79 = load ptr, ptr %a1
-  %t80 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t79, { ptr, i64, i64 } { ptr @.str.3516, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 6
-  %t83 = load i1, ptr %t82
-  br i1 %t83, label %then5326, label %else5327
-then5326:
-  store i1 true, ptr %a44
+ok5676:
+  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 11
+  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i32 0, i32 1
+  %t45 = load i64, ptr %t44
+  store i64 %t45, ptr %a46
+  %t47 = load ptr, ptr %a1
+  %t48 = load %S.gen.Val, ptr %a13
+  call void @finch.gen.hold(ptr %t47, %S.gen.Val %t48)
+  %t49 = load ptr, ptr %a1
+  %t50 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t49, { ptr, i64, i64 } { ptr @.str.3673, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store i1 false, ptr %a52
+  store i1 false, ptr %a53
+  store { ptr, i64, i64 } zeroinitializer, ptr %a54
+  store { ptr, i64, i64 } zeroinitializer, ptr %a55
+  store { ptr, i64, i64 } zeroinitializer, ptr %a56
+  %t57 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3674, i64 4, i64 0 })
+  store %S.ast.Type %t57, ptr %a58
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i32 0, i32 1
+  %t61 = load i64, ptr %t60
+  %t62 = sub i64 %t61, 1
+  store i64 %t62, ptr %a63
+  %t64 = load i64, ptr %a63
+  store i64 0, ptr %a65
+  br label %for.cond5677
+for.cond5677:
+  %t66 = load i64, ptr %a65
+  %t67 = icmp slt i64 %t66, %t64
+  br i1 %t67, label %for.body5678, label %for.end5680
+for.body5678:
+  %t68 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t69 = load i64, ptr %a65
+  %t70 = add i64 1, %t69
+  %t71 = load { ptr, i64, i64 }, ptr %t68
+  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
+  %t73 = icmp uge i64 %t70, %t72
+  br i1 %t73, label %range5681, label %inrange5682
+range5681:
+  call void @finch_panic_index(ptr @.str.3675, i64 2977, i64 %t70, i64 %t72)
+  unreachable
+inrange5682:
+  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
+  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t70
+  %t76 = load %S.ast.Node, ptr %t75
+  store %S.ast.Node %t76, ptr %a77
+  call void @finch.copy.S_ast_Node(ptr %a78, ptr %a77)
+  %t79 = load %S.ast.Node, ptr %a78
+  store %S.ast.Node %t79, ptr %a80
+  %t81 = load i1, ptr %a52
+  br i1 %t81, label %then5683, label %endif5685
+then5683:
+  %t82 = load ptr, ptr %a1
+  %t83 = load %S.ast.Node, ptr %a80
+  call void @finch.gen.fail(ptr %t82, %S.ast.Node %t83, { ptr, i64, i64 } { ptr @.str.3676, i64 72, i64 0 })
+  br label %endif5685
+endif5685:
   %t84 = load ptr, ptr %a1
-  %t85 = load { ptr, i64, i64 }, ptr %a78
-  call void @finch.gen.br(ptr %t84, { ptr, i64, i64 } %t85)
-  br label %endif5328
-else5327:
-  %t86 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 9
-  %t87 = load { ptr, i64, i64 }, ptr %t86
-  %t88 = extractvalue { ptr, i64, i64 } %t87, 1
-  %t89 = icmp uge i64 0, %t88
-  br i1 %t89, label %range5329, label %inrange5330
-range5329:
-  call void @finch_panic_index(ptr @.str.3517, i64 2738, i64 0, i64 %t88)
+  %t85 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t84, { ptr, i64, i64 } { ptr @.str.3677, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t85, ptr %a86
+  %t87 = load ptr, ptr %a1
+  %t88 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t87, { ptr, i64, i64 } { ptr @.str.3678, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t88, ptr %a89
+  %t90 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 6
+  %t91 = load i1, ptr %t90
+  br i1 %t91, label %then5686, label %else5687
+then5686:
+  store i1 true, ptr %a52
+  %t92 = load ptr, ptr %a1
+  %t93 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.gen.br(ptr %t92, { ptr, i64, i64 } %t93)
+  br label %endif5688
+else5687:
+  %t94 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 9
+  %t95 = load { ptr, i64, i64 }, ptr %t94
+  %t96 = extractvalue { ptr, i64, i64 } %t95, 1
+  %t97 = icmp uge i64 0, %t96
+  br i1 %t97, label %range5689, label %inrange5690
+range5689:
+  call void @finch_panic_index(ptr @.str.3679, i64 2987, i64 0, i64 %t96)
   unreachable
-inrange5330:
-  %t90 = extractvalue { ptr, i64, i64 } %t87, 0
-  %t91 = getelementptr inbounds %S.ast.Node, ptr %t90, i64 0
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %t91, i32 0, i32 9
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store { ptr, i64, i64 } %t93, ptr %a94
-  call void @finch.copy.arr_S_ast_Node(ptr %a95, ptr %a94)
-  %t96 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t96, ptr %a97
-  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %a97, i32 0, i32 1
-  %t99 = load i64, ptr %t98
-  store i64 0, ptr %a100
-  br label %for.cond5331
-for.cond5331:
-  %t101 = load i64, ptr %a100
-  %t102 = icmp slt i64 %t101, %t99
-  br i1 %t102, label %for.body5332, label %for.end5334
-for.body5332:
-  %t103 = load ptr, ptr %a1
-  %t104 = load i64, ptr %a100
-  %t105 = load { ptr, i64, i64 }, ptr %a97
-  %t106 = extractvalue { ptr, i64, i64 } %t105, 1
-  %t107 = icmp uge i64 %t104, %t106
-  br i1 %t107, label %range5335, label %inrange5336
-range5335:
-  call void @finch_panic_index(ptr @.str.3518, i64 2740, i64 %t104, i64 %t106)
+inrange5690:
+  %t98 = extractvalue { ptr, i64, i64 } %t95, 0
+  %t99 = getelementptr inbounds %S.ast.Node, ptr %t98, i64 0
+  %t100 = getelementptr inbounds %S.ast.Node, ptr %t99, i32 0, i32 9
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch.copy.arr_S_ast_Node(ptr %a103, ptr %a102)
+  %t104 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t104, ptr %a105
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %a105, i32 0, i32 1
+  %t107 = load i64, ptr %t106
+  store i64 0, ptr %a108
+  br label %for.cond5691
+for.cond5691:
+  %t109 = load i64, ptr %a108
+  %t110 = icmp slt i64 %t109, %t107
+  br i1 %t110, label %for.body5692, label %for.end5694
+for.body5692:
+  %t111 = load ptr, ptr %a1
+  %t112 = load i64, ptr %a108
+  %t113 = load { ptr, i64, i64 }, ptr %a105
+  %t114 = extractvalue { ptr, i64, i64 } %t113, 1
+  %t115 = icmp uge i64 %t112, %t114
+  br i1 %t115, label %range5695, label %inrange5696
+range5695:
+  call void @finch_panic_index(ptr @.str.3680, i64 2989, i64 %t112, i64 %t114)
   unreachable
-inrange5336:
-  %t108 = extractvalue { ptr, i64, i64 } %t105, 0
-  %t109 = getelementptr inbounds %S.ast.Node, ptr %t108, i64 %t104
-  %t110 = load %S.ast.Node, ptr %t109
-  %t111 = load %S.ast.Type, ptr %a19
-  %t112 = call %S.gen.Val @finch.gen.patternValue(ptr %t103, %S.ast.Node %t110, %S.ast.Type %t111)
-  store %S.gen.Val %t112, ptr %a113
-  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %a46, i32 0, i32 1
-  %t115 = getelementptr inbounds %S.gen.Val, ptr %a113, i32 0, i32 0
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store i64 -1, ptr %a117
-  %t118 = load i64, ptr %t114
-  %t119 = load ptr, ptr %a46
-  store i64 0, ptr %a120
-  br label %find.cond5337
-find.cond5337:
-  %t121 = load i64, ptr %a120
-  %t122 = icmp slt i64 %t121, %t118
-  br i1 %t122, label %find.body5338, label %find.end5341
-find.body5338:
-  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i64 %t121
+inrange5696:
+  %t116 = extractvalue { ptr, i64, i64 } %t113, 0
+  %t117 = getelementptr inbounds %S.ast.Node, ptr %t116, i64 %t112
+  %t118 = load %S.ast.Node, ptr %t117
+  %t119 = load %S.ast.Type, ptr %a19
+  %t120 = call %S.gen.Val @finch.gen.patternValue(ptr %t111, %S.ast.Node %t118, %S.ast.Type %t119)
+  store %S.gen.Val %t120, ptr %a121
+  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
+  %t123 = getelementptr inbounds %S.gen.Val, ptr %a121, i32 0, i32 0
   %t124 = load { ptr, i64, i64 }, ptr %t123
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } %t116, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br i1 %t128, label %find.hit5339, label %find.next5340
-find.hit5339:
-  store i64 %t121, ptr %a117
-  br label %find.end5341
-find.next5340:
-  %t129 = add i64 %t121, 1
-  store i64 %t129, ptr %a120
-  br label %find.cond5337
-find.end5341:
-  %t130 = load i64, ptr %a117
-  %t131 = icmp sge i64 %t130, 0
-  br label %logic.from5342
-logic.from5342:
-  br i1 %t131, label %logic.rhs5343, label %logic.end5344
-logic.rhs5343:
-  %t132 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
-  %t133 = load { ptr, i64, i64 }, ptr %t132
-  store { ptr, i64, i64 } %t133, ptr %a134
-  store { ptr, i64, i64 } { ptr @.str.3519, i64 4, i64 0 }, ptr %a135
-  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
-  %t137 = icmp ne i32 %t136, 0
-  br label %logic.rend5345
-logic.rend5345:
-  br label %logic.end5344
-logic.end5344:
-  %t138 = phi i1 [ false, %logic.from5342 ], [ %t137, %logic.rend5345 ]
-  br i1 %t138, label %then5346, label %endif5348
-then5346:
-  %t139 = load ptr, ptr %a1
-  %t140 = load i64, ptr %a100
-  %t141 = load { ptr, i64, i64 }, ptr %a97
-  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
-  %t143 = icmp uge i64 %t140, %t142
-  br i1 %t143, label %range5349, label %inrange5350
-range5349:
-  call void @finch_panic_index(ptr @.str.3520, i64 2742, i64 %t140, i64 %t142)
+  store i64 -1, ptr %a125
+  %t126 = load i64, ptr %t122
+  %t127 = load ptr, ptr %a54
+  store i64 0, ptr %a128
+  br label %find.cond5697
+find.cond5697:
+  %t129 = load i64, ptr %a128
+  %t130 = icmp slt i64 %t129, %t126
+  br i1 %t130, label %find.body5698, label %find.end5701
+find.body5698:
+  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i64 %t129
+  %t132 = load { ptr, i64, i64 }, ptr %t131
+  store { ptr, i64, i64 } %t132, ptr %a133
+  store { ptr, i64, i64 } %t124, ptr %a134
+  %t135 = call i32 @finch_str_eq(ptr %a133, ptr %a134)
+  %t136 = icmp ne i32 %t135, 0
+  br i1 %t136, label %find.hit5699, label %find.next5700
+find.hit5699:
+  store i64 %t129, ptr %a125
+  br label %find.end5701
+find.next5700:
+  %t137 = add i64 %t129, 1
+  store i64 %t137, ptr %a128
+  br label %find.cond5697
+find.end5701:
+  %t138 = load i64, ptr %a125
+  %t139 = icmp sge i64 %t138, 0
+  br label %logic.from5702
+logic.from5702:
+  br i1 %t139, label %logic.rhs5703, label %logic.end5704
+logic.rhs5703:
+  %t140 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.3681, i64 4, i64 0 }, ptr %a143
+  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
+  %t145 = icmp ne i32 %t144, 0
+  br label %logic.rend5705
+logic.rend5705:
+  br label %logic.end5704
+logic.end5704:
+  %t146 = phi i1 [ false, %logic.from5702 ], [ %t145, %logic.rend5705 ]
+  br i1 %t146, label %then5706, label %endif5708
+then5706:
+  %t147 = load ptr, ptr %a1
+  %t148 = load i64, ptr %a108
+  %t149 = load { ptr, i64, i64 }, ptr %a105
+  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
+  %t151 = icmp uge i64 %t148, %t150
+  br i1 %t151, label %range5709, label %inrange5710
+range5709:
+  call void @finch_panic_index(ptr @.str.3682, i64 2991, i64 %t148, i64 %t150)
   unreachable
-inrange5350:
-  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %t144, i64 %t140
-  %t146 = load %S.ast.Node, ptr %t145
-  call void @finch.gen.fail(ptr %t139, %S.ast.Node %t146, { ptr, i64, i64 } { ptr @.str.3521, i64 49, i64 0 })
-  br label %endif5348
-endif5348:
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %a46, i32 0, i32 1
-  %t148 = getelementptr inbounds %S.gen.Val, ptr %a113, i32 0, i32 0
-  %t149 = load { ptr, i64, i64 }, ptr %t148
-  store { ptr, i64, i64 } %t149, ptr %a150
-  call void @finch_str_copy(ptr %a151, ptr %a150)
-  %t152 = load { ptr, i64, i64 }, ptr %a151
-  %t153 = load i64, ptr %t147
-  %t154 = add i64 %t153, 1
-  call void @finch_arr_reserve(ptr %a46, i64 %t154, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t155 = load ptr, ptr %a46
-  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %t155, i64 %t153
-  store { ptr, i64, i64 } %t152, ptr %t156
-  store i64 %t154, ptr %t147
-  %t157 = load ptr, ptr %a1
-  %t158 = load %S.gen.Val, ptr %a13
-  %t159 = load %S.gen.Val, ptr %a113
-  %t160 = load i64, ptr %a100
-  %t161 = load { ptr, i64, i64 }, ptr %a97
-  %t162 = extractvalue { ptr, i64, i64 } %t161, 1
-  %t163 = icmp uge i64 %t160, %t162
-  br i1 %t163, label %range5351, label %inrange5352
-range5351:
-  call void @finch_panic_index(ptr @.str.3523, i64 2745, i64 %t160, i64 %t162)
+inrange5710:
+  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
+  %t153 = getelementptr inbounds %S.ast.Node, ptr %t152, i64 %t148
+  %t154 = load %S.ast.Node, ptr %t153
+  call void @finch.gen.fail(ptr %t147, %S.ast.Node %t154, { ptr, i64, i64 } { ptr @.str.3683, i64 49, i64 0 })
+  br label %endif5708
+endif5708:
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
+  %t156 = getelementptr inbounds %S.gen.Val, ptr %a121, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_copy(ptr %a159, ptr %a158)
+  %t160 = load { ptr, i64, i64 }, ptr %a159
+  %t161 = load i64, ptr %t155
+  %t162 = add i64 %t161, 1
+  call void @finch_arr_reserve(ptr %a54, i64 %t162, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t163 = load ptr, ptr %a54
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %t163, i64 %t161
+  store { ptr, i64, i64 } %t160, ptr %t164
+  store i64 %t162, ptr %t155
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.gen.Val, ptr %a13
+  %t167 = load %S.gen.Val, ptr %a121
+  %t168 = load i64, ptr %a108
+  %t169 = load { ptr, i64, i64 }, ptr %a105
+  %t170 = extractvalue { ptr, i64, i64 } %t169, 1
+  %t171 = icmp uge i64 %t168, %t170
+  br i1 %t171, label %range5711, label %inrange5712
+range5711:
+  call void @finch_panic_index(ptr @.str.3685, i64 2994, i64 %t168, i64 %t170)
   unreachable
-inrange5352:
-  %t164 = extractvalue { ptr, i64, i64 } %t161, 0
-  %t165 = getelementptr inbounds %S.ast.Node, ptr %t164, i64 %t160
-  %t166 = load %S.ast.Node, ptr %t165
-  %t167 = call %S.gen.Val @finch.gen.compare(ptr %t157, { ptr, i64, i64 } { ptr @.str.3522, i64 2, i64 0 }, %S.gen.Val %t158, %S.gen.Val %t159, %S.ast.Node %t166)
-  store %S.gen.Val %t167, ptr %a168
-  %t169 = load i64, ptr %a100
-  %t170 = getelementptr inbounds { ptr, i64, i64 }, ptr %a97, i32 0, i32 1
-  %t171 = load i64, ptr %t170
-  %t172 = sub i64 %t171, 1
-  %t173 = icmp eq i64 %t169, %t172
-  br i1 %t173, label %then5353, label %else5354
-then5353:
-  %t174 = load ptr, ptr %a1
-  %t175 = getelementptr inbounds %S.gen.Val, ptr %a168, i32 0, i32 0
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  %t177 = load { ptr, i64, i64 }, ptr %a78
-  %t178 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.condBr(ptr %t174, { ptr, i64, i64 } %t176, { ptr, i64, i64 } %t177, { ptr, i64, i64 } %t178)
-  br label %endif5355
-else5354:
-  %t179 = load ptr, ptr %a1
-  %t180 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t179, { ptr, i64, i64 } { ptr @.str.3524, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t180, ptr %a181
+inrange5712:
+  %t172 = extractvalue { ptr, i64, i64 } %t169, 0
+  %t173 = getelementptr inbounds %S.ast.Node, ptr %t172, i64 %t168
+  %t174 = load %S.ast.Node, ptr %t173
+  %t175 = call %S.gen.Val @finch.gen.compare(ptr %t165, { ptr, i64, i64 } { ptr @.str.3684, i64 2, i64 0 }, %S.gen.Val %t166, %S.gen.Val %t167, %S.ast.Node %t174)
+  store %S.gen.Val %t175, ptr %a176
+  %t177 = load i64, ptr %a108
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %a105, i32 0, i32 1
+  %t179 = load i64, ptr %t178
+  %t180 = sub i64 %t179, 1
+  %t181 = icmp eq i64 %t177, %t180
+  br i1 %t181, label %then5713, label %else5714
+then5713:
   %t182 = load ptr, ptr %a1
-  %t183 = getelementptr inbounds %S.gen.Val, ptr %a168, i32 0, i32 0
+  %t183 = getelementptr inbounds %S.gen.Val, ptr %a176, i32 0, i32 0
   %t184 = load { ptr, i64, i64 }, ptr %t183
-  %t185 = load { ptr, i64, i64 }, ptr %a78
-  %t186 = load { ptr, i64, i64 }, ptr %a181
+  %t185 = load { ptr, i64, i64 }, ptr %a86
+  %t186 = load { ptr, i64, i64 }, ptr %a89
   call void @finch.gen.condBr(ptr %t182, { ptr, i64, i64 } %t184, { ptr, i64, i64 } %t185, { ptr, i64, i64 } %t186)
+  br label %endif5715
+else5714:
   %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a181
-  call void @finch.gen.label(ptr %t187, { ptr, i64, i64 } %t188)
-  br label %endif5355
-endif5355:
-  br label %for.step5333
-for.step5333:
-  %t189 = load i64, ptr %a100
-  %t190 = add i64 %t189, 1
-  store i64 %t190, ptr %a100
-  br label %for.cond5331
-for.end5334:
-  br label %endif5328
-endif5328:
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a78
-  call void @finch.gen.label(ptr %t191, { ptr, i64, i64 } %t192)
-  %t193 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 9
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  %t195 = extractvalue { ptr, i64, i64 } %t194, 1
-  %t196 = icmp uge i64 1, %t195
-  br i1 %t196, label %range5356, label %inrange5357
-range5356:
-  call void @finch_panic_index(ptr @.str.3525, i64 2756, i64 1, i64 %t195)
+  %t188 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t187, { ptr, i64, i64 } { ptr @.str.3686, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t188, ptr %a189
+  %t190 = load ptr, ptr %a1
+  %t191 = getelementptr inbounds %S.gen.Val, ptr %a176, i32 0, i32 0
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  %t193 = load { ptr, i64, i64 }, ptr %a86
+  %t194 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch.gen.condBr(ptr %t190, { ptr, i64, i64 } %t192, { ptr, i64, i64 } %t193, { ptr, i64, i64 } %t194)
+  %t195 = load ptr, ptr %a1
+  %t196 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch.gen.label(ptr %t195, { ptr, i64, i64 } %t196)
+  call void @finch_str_drop(ptr %a189)
+  br label %endif5715
+endif5715:
+  call void @finch.drop.S_gen_Val(ptr %a176)
+  call void @finch.drop.S_gen_Val(ptr %a121)
+  br label %for.step5693
+for.step5693:
+  %t197 = load i64, ptr %a108
+  %t198 = add i64 %t197, 1
+  store i64 %t198, ptr %a108
+  br label %for.cond5691
+for.end5694:
+  call void @finch.drop.arr_S_ast_Node(ptr %a105)
+  br label %endif5688
+endif5688:
+  %t199 = load ptr, ptr %a1
+  %t200 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.gen.label(ptr %t199, { ptr, i64, i64 } %t200)
+  %t201 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 9
+  %t202 = load { ptr, i64, i64 }, ptr %t201
+  %t203 = extractvalue { ptr, i64, i64 } %t202, 1
+  %t204 = icmp uge i64 1, %t203
+  br i1 %t204, label %range5716, label %inrange5717
+range5716:
+  call void @finch_panic_index(ptr @.str.3687, i64 3005, i64 1, i64 %t203)
   unreachable
-inrange5357:
-  %t197 = extractvalue { ptr, i64, i64 } %t194, 0
-  %t198 = getelementptr inbounds %S.ast.Node, ptr %t197, i64 1
-  %t199 = load %S.ast.Node, ptr %t198
-  store %S.ast.Node %t199, ptr %a200
-  call void @finch.copy.S_ast_Node(ptr %a201, ptr %a200)
-  %t202 = load %S.ast.Node, ptr %a201
-  store %S.ast.Node %t202, ptr %a203
-  %t204 = load i1, ptr %a3
-  br i1 %t204, label %then5358, label %else5359
-then5358:
-  %t205 = load ptr, ptr %a1
-  %t206 = load %S.ast.Node, ptr %a203
-  %t207 = call %S.gen.Val @finch.gen.expr(ptr %t205, %S.ast.Node %t206)
-  store %S.gen.Val %t207, ptr %a208
-  %t209 = load i64, ptr %a57
-  %t210 = icmp eq i64 %t209, 0
-  br label %logic.from5361
-logic.from5361:
-  br i1 %t210, label %logic.end5363, label %logic.rhs5362
-logic.rhs5362:
-  %t211 = getelementptr inbounds %S.ast.Type, ptr %a50, i32 0, i32 0
-  %t212 = load { ptr, i64, i64 }, ptr %t211
-  store { ptr, i64, i64 } %t212, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.3526, i64 4, i64 0 }, ptr %a214
-  %t215 = call i32 @finch_str_eq(ptr %a213, ptr %a214)
-  %t216 = icmp ne i32 %t215, 0
-  br label %logic.rend5364
-logic.rend5364:
-  br label %logic.end5363
-logic.end5363:
-  %t217 = phi i1 [ true, %logic.from5361 ], [ %t216, %logic.rend5364 ]
-  br i1 %t217, label %then5365, label %endif5367
-then5365:
-  %t218 = getelementptr inbounds %S.gen.Val, ptr %a208, i32 0, i32 1
-  %t219 = getelementptr inbounds %S.ast.Type, ptr %t218, i32 0, i32 0
+inrange5717:
+  %t205 = extractvalue { ptr, i64, i64 } %t202, 0
+  %t206 = getelementptr inbounds %S.ast.Node, ptr %t205, i64 1
+  %t207 = load %S.ast.Node, ptr %t206
+  store %S.ast.Node %t207, ptr %a208
+  call void @finch.copy.S_ast_Node(ptr %a209, ptr %a208)
+  %t210 = load %S.ast.Node, ptr %a209
+  store %S.ast.Node %t210, ptr %a211
+  %t212 = load i1, ptr %a3
+  br i1 %t212, label %then5718, label %else5719
+then5718:
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.ast.Node, ptr %a211
+  %t215 = call %S.gen.Val @finch.gen.expr(ptr %t213, %S.ast.Node %t214)
+  store %S.gen.Val %t215, ptr %a216
+  %t217 = load i64, ptr %a65
+  %t218 = icmp eq i64 %t217, 0
+  br label %logic.from5721
+logic.from5721:
+  br i1 %t218, label %logic.end5723, label %logic.rhs5722
+logic.rhs5722:
+  %t219 = getelementptr inbounds %S.ast.Type, ptr %a58, i32 0, i32 0
   %t220 = load { ptr, i64, i64 }, ptr %t219
   store { ptr, i64, i64 } %t220, ptr %a221
-  store { ptr, i64, i64 } { ptr @.str.3527, i64 4, i64 0 }, ptr %a222
+  store { ptr, i64, i64 } { ptr @.str.3688, i64 4, i64 0 }, ptr %a222
   %t223 = call i32 @finch_str_eq(ptr %a221, ptr %a222)
   %t224 = icmp ne i32 %t223, 0
-  br label %logic.from5368
-logic.from5368:
-  br i1 %t224, label %logic.end5370, label %logic.rhs5369
-logic.rhs5369:
-  %t225 = getelementptr inbounds %S.gen.Val, ptr %a208, i32 0, i32 1
-  %t226 = getelementptr inbounds %S.ast.Type, ptr %t225, i32 0, i32 0
-  %t227 = load { ptr, i64, i64 }, ptr %t226
-  store { ptr, i64, i64 } %t227, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.3528, i64 4, i64 0 }, ptr %a229
-  %t230 = call i32 @finch_str_eq(ptr %a228, ptr %a229)
-  %t231 = icmp ne i32 %t230, 0
-  br label %logic.rend5371
-logic.rend5371:
-  br label %logic.end5370
-logic.end5370:
-  %t232 = phi i1 [ true, %logic.from5368 ], [ %t231, %logic.rend5371 ]
-  br i1 %t232, label %then5372, label %endif5374
-then5372:
-  %t233 = load ptr, ptr %a1
-  %t234 = load %S.ast.Node, ptr %a203
-  call void @finch.gen.fail(ptr %t233, %S.ast.Node %t234, { ptr, i64, i64 } { ptr @.str.3529, i64 52, i64 0 })
-  br label %endif5374
-endif5374:
-  %t235 = getelementptr inbounds %S.gen.Val, ptr %a208, i32 0, i32 1
-  %t236 = load %S.ast.Type, ptr %t235
-  store %S.ast.Type %t236, ptr %a237
-  call void @finch.copy.S_ast_Type(ptr %a238, ptr %a237)
-  %t239 = load %S.ast.Type, ptr %a238
-  store %S.ast.Type %t239, ptr %a50
-  br label %endif5367
-endif5367:
-  %t240 = load ptr, ptr %a1
-  %t241 = load %S.gen.Val, ptr %a208
-  %t242 = load %S.ast.Type, ptr %a50
-  %t243 = load %S.ast.Node, ptr %a203
-  %t244 = call %S.gen.Val @finch.gen.coerce(ptr %t240, %S.gen.Val %t241, %S.ast.Type %t242, %S.ast.Node %t243, { ptr, i64, i64 } { ptr @.str.3530, i64 57, i64 0 })
-  store %S.gen.Val %t244, ptr %a208
-  %t245 = load ptr, ptr %a1
-  %t246 = load %S.gen.Val, ptr %a208
-  %t247 = call { ptr, i64, i64 } @finch.gen.own(ptr %t245, %S.gen.Val %t246)
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = load ptr, ptr %a1
-  %t250 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t249, { ptr, i64, i64 } { ptr @.str.3531, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t250, ptr %a251
-  %t252 = load ptr, ptr %a1
-  %t253 = load { ptr, i64, i64 }, ptr %a251
-  call void @finch.gen.br(ptr %t252, { ptr, i64, i64 } %t253)
-  %t254 = load ptr, ptr %a1
-  %t255 = load { ptr, i64, i64 }, ptr %a251
-  call void @finch.gen.label(ptr %t254, { ptr, i64, i64 } %t255)
-  %t256 = getelementptr inbounds { ptr, i64, i64 }, ptr %a47, i32 0, i32 1
-  %t257 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t257, ptr %a258
-  call void @finch_str_copy(ptr %a259, ptr %a258)
-  %t260 = load { ptr, i64, i64 }, ptr %a259
-  %t261 = load i64, ptr %t256
-  %t262 = add i64 %t261, 1
-  call void @finch_arr_reserve(ptr %a47, i64 %t262, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t263 = load ptr, ptr %a47
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i64 %t261
-  store { ptr, i64, i64 } %t260, ptr %t264
-  store i64 %t262, ptr %t256
-  %t265 = getelementptr inbounds { ptr, i64, i64 }, ptr %a48, i32 0, i32 1
-  %t266 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } %t266, ptr %a267
-  call void @finch_str_copy(ptr %a268, ptr %a267)
-  %t269 = load { ptr, i64, i64 }, ptr %a268
-  %t270 = load i64, ptr %t265
-  %t271 = add i64 %t270, 1
-  call void @finch_arr_reserve(ptr %a48, i64 %t271, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t272 = load ptr, ptr %a48
-  %t273 = getelementptr inbounds { ptr, i64, i64 }, ptr %t272, i64 %t270
-  store { ptr, i64, i64 } %t269, ptr %t273
-  store i64 %t271, ptr %t265
-  %t274 = load ptr, ptr %a1
-  %t275 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.br(ptr %t274, { ptr, i64, i64 } %t275)
-  store i1 true, ptr %a45
-  br label %endif5360
-else5359:
-  %t276 = getelementptr inbounds %S.ast.Node, ptr %a203, i32 0, i32 0
-  %t277 = load { ptr, i64, i64 }, ptr %t276
-  store { ptr, i64, i64 } %t277, ptr %a278
-  store { ptr, i64, i64 } { ptr @.str.3532, i64 5, i64 0 }, ptr %a279
-  %t280 = call i32 @finch_str_eq(ptr %a278, ptr %a279)
-  %t281 = icmp ne i32 %t280, 0
-  br i1 %t281, label %then5375, label %else5376
-then5375:
-  %t282 = load ptr, ptr %a1
-  %t283 = load %S.ast.Node, ptr %a203
-  call void @finch.gen.block(ptr %t282, %S.ast.Node %t283, i1 true)
-  br label %endif5377
-else5376:
-  %t284 = load ptr, ptr %a1
-  %t285 = load %S.ast.Node, ptr %a203
-  call void @finch.gen.stmt(ptr %t284, %S.ast.Node %t285)
-  br label %endif5377
-endif5377:
+  br label %logic.rend5724
+logic.rend5724:
+  br label %logic.end5723
+logic.end5723:
+  %t225 = phi i1 [ true, %logic.from5721 ], [ %t224, %logic.rend5724 ]
+  br i1 %t225, label %then5725, label %endif5727
+then5725:
+  %t226 = getelementptr inbounds %S.gen.Val, ptr %a216, i32 0, i32 1
+  %t227 = getelementptr inbounds %S.ast.Type, ptr %t226, i32 0, i32 0
+  %t228 = load { ptr, i64, i64 }, ptr %t227
+  store { ptr, i64, i64 } %t228, ptr %a229
+  store { ptr, i64, i64 } { ptr @.str.3689, i64 4, i64 0 }, ptr %a230
+  %t231 = call i32 @finch_str_eq(ptr %a229, ptr %a230)
+  %t232 = icmp ne i32 %t231, 0
+  br label %logic.from5728
+logic.from5728:
+  br i1 %t232, label %logic.end5730, label %logic.rhs5729
+logic.rhs5729:
+  %t233 = getelementptr inbounds %S.gen.Val, ptr %a216, i32 0, i32 1
+  %t234 = getelementptr inbounds %S.ast.Type, ptr %t233, i32 0, i32 0
+  %t235 = load { ptr, i64, i64 }, ptr %t234
+  store { ptr, i64, i64 } %t235, ptr %a236
+  store { ptr, i64, i64 } { ptr @.str.3690, i64 4, i64 0 }, ptr %a237
+  %t238 = call i32 @finch_str_eq(ptr %a236, ptr %a237)
+  %t239 = icmp ne i32 %t238, 0
+  br label %logic.rend5731
+logic.rend5731:
+  br label %logic.end5730
+logic.end5730:
+  %t240 = phi i1 [ true, %logic.from5728 ], [ %t239, %logic.rend5731 ]
+  br i1 %t240, label %then5732, label %endif5734
+then5732:
+  %t241 = load ptr, ptr %a1
+  %t242 = load %S.ast.Node, ptr %a211
+  call void @finch.gen.fail(ptr %t241, %S.ast.Node %t242, { ptr, i64, i64 } { ptr @.str.3691, i64 52, i64 0 })
+  br label %endif5734
+endif5734:
+  %t243 = getelementptr inbounds %S.gen.Val, ptr %a216, i32 0, i32 1
+  %t244 = load %S.ast.Type, ptr %t243
+  store %S.ast.Type %t244, ptr %a245
+  call void @finch.copy.S_ast_Type(ptr %a246, ptr %a245)
+  %t247 = load %S.ast.Type, ptr %a246
+  %t248 = load %S.ast.Type, ptr %a58
+  store %S.ast.Type %t247, ptr %a58
+  store %S.ast.Type %t248, ptr %a249
+  call void @finch.drop.S_ast_Type(ptr %a249)
+  br label %endif5727
+endif5727:
+  %t250 = load ptr, ptr %a1
+  %t251 = load %S.gen.Val, ptr %a216
+  %t252 = load %S.ast.Type, ptr %a58
+  %t253 = load %S.ast.Node, ptr %a211
+  %t254 = call %S.gen.Val @finch.gen.coerce(ptr %t250, %S.gen.Val %t251, %S.ast.Type %t252, %S.ast.Node %t253, { ptr, i64, i64 } { ptr @.str.3692, i64 57, i64 0 })
+  %t255 = load %S.gen.Val, ptr %a216
+  store %S.gen.Val %t254, ptr %a216
+  store %S.gen.Val %t255, ptr %a256
+  call void @finch.drop.S_gen_Val(ptr %a256)
+  %t257 = load ptr, ptr %a1
+  %t258 = load %S.gen.Val, ptr %a216
+  %t259 = call { ptr, i64, i64 } @finch.gen.own(ptr %t257, %S.gen.Val %t258)
+  store { ptr, i64, i64 } %t259, ptr %a260
+  %t261 = load ptr, ptr %a1
+  %t262 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t261, { ptr, i64, i64 } { ptr @.str.3693, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t262, ptr %a263
+  %t264 = load ptr, ptr %a1
+  %t265 = load { ptr, i64, i64 }, ptr %a263
+  call void @finch.gen.br(ptr %t264, { ptr, i64, i64 } %t265)
+  %t266 = load ptr, ptr %a1
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  call void @finch.gen.label(ptr %t266, { ptr, i64, i64 } %t267)
+  %t268 = getelementptr inbounds { ptr, i64, i64 }, ptr %a55, i32 0, i32 1
+  %t269 = load { ptr, i64, i64 }, ptr %a260
+  store { ptr, i64, i64 } %t269, ptr %a270
+  call void @finch_str_copy(ptr %a271, ptr %a270)
+  %t272 = load { ptr, i64, i64 }, ptr %a271
+  %t273 = load i64, ptr %t268
+  %t274 = add i64 %t273, 1
+  call void @finch_arr_reserve(ptr %a55, i64 %t274, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t275 = load ptr, ptr %a55
+  %t276 = getelementptr inbounds { ptr, i64, i64 }, ptr %t275, i64 %t273
+  store { ptr, i64, i64 } %t272, ptr %t276
+  store i64 %t274, ptr %t268
+  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %a56, i32 0, i32 1
+  %t278 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t278, ptr %a279
+  call void @finch_str_copy(ptr %a280, ptr %a279)
+  %t281 = load { ptr, i64, i64 }, ptr %a280
+  %t282 = load i64, ptr %t277
+  %t283 = add i64 %t282, 1
+  call void @finch_arr_reserve(ptr %a56, i64 %t283, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t284 = load ptr, ptr %a56
+  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t284, i64 %t282
+  store { ptr, i64, i64 } %t281, ptr %t285
+  store i64 %t283, ptr %t277
   %t286 = load ptr, ptr %a1
-  %t287 = icmp eq ptr %t286, null
-  br i1 %t287, label %panic5378, label %ok5379
-panic5378:
-  call void @finch_panic(ptr @.str.3533, i64 2780, ptr @.str.3534)
-  unreachable
-ok5379:
-  %t288 = getelementptr inbounds %S.gen.Gen, ptr %t286, i32 0, i32 9
-  %t289 = load i1, ptr %t288
-  %t290 = xor i1 %t289, true
-  br i1 %t290, label %then5380, label %endif5382
-then5380:
-  store i1 true, ptr %a45
-  br label %endif5382
-endif5382:
-  %t291 = load ptr, ptr %a1
-  %t292 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.br(ptr %t291, { ptr, i64, i64 } %t292)
-  br label %endif5360
-endif5360:
-  %t293 = getelementptr inbounds %S.ast.Node, ptr %a72, i32 0, i32 6
-  %t294 = load i1, ptr %t293
-  %t295 = xor i1 %t294, true
-  br i1 %t295, label %then5383, label %endif5385
-then5383:
+  %t287 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.br(ptr %t286, { ptr, i64, i64 } %t287)
+  store i1 true, ptr %a53
+  call void @finch_str_drop(ptr %a263)
+  call void @finch_str_drop(ptr %a260)
+  call void @finch.drop.S_gen_Val(ptr %a216)
+  br label %endif5720
+else5719:
+  %t288 = getelementptr inbounds %S.ast.Node, ptr %a211, i32 0, i32 0
+  %t289 = load { ptr, i64, i64 }, ptr %t288
+  store { ptr, i64, i64 } %t289, ptr %a290
+  store { ptr, i64, i64 } { ptr @.str.3694, i64 5, i64 0 }, ptr %a291
+  %t292 = call i32 @finch_str_eq(ptr %a290, ptr %a291)
+  %t293 = icmp ne i32 %t292, 0
+  br i1 %t293, label %then5735, label %else5736
+then5735:
+  %t294 = load ptr, ptr %a1
+  %t295 = load %S.ast.Node, ptr %a211
+  call void @finch.gen.block(ptr %t294, %S.ast.Node %t295, i1 true)
+  br label %endif5737
+else5736:
   %t296 = load ptr, ptr %a1
-  %t297 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.label(ptr %t296, { ptr, i64, i64 } %t297)
-  br label %endif5385
-endif5385:
-  br label %for.step5319
-for.step5319:
-  %t298 = load i64, ptr %a57
-  %t299 = add i64 %t298, 1
-  store i64 %t299, ptr %a57
-  br label %for.cond5317
-for.end5320:
-  %t300 = load i1, ptr %a44
-  %t301 = xor i1 %t300, true
-  br i1 %t301, label %then5386, label %endif5388
-then5386:
-  %t302 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
-  %t303 = load { ptr, i64, i64 }, ptr %t302
-  store { ptr, i64, i64 } %t303, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.3535, i64 4, i64 0 }, ptr %a305
-  %t306 = call i32 @finch_str_eq(ptr %a304, ptr %a305)
-  %t307 = icmp ne i32 %t306, 0
-  br i1 %t307, label %then5389, label %else5390
-then5389:
+  %t297 = load %S.ast.Node, ptr %a211
+  call void @finch.gen.stmt(ptr %t296, %S.ast.Node %t297)
+  br label %endif5737
+endif5737:
+  %t298 = load ptr, ptr %a1
+  %t299 = icmp eq ptr %t298, null
+  br i1 %t299, label %panic5738, label %ok5739
+panic5738:
+  call void @finch_panic(ptr @.str.3695, i64 3029, ptr @.str.3696)
+  unreachable
+ok5739:
+  %t300 = getelementptr inbounds %S.gen.Gen, ptr %t298, i32 0, i32 9
+  %t301 = load i1, ptr %t300
+  %t302 = xor i1 %t301, true
+  br i1 %t302, label %then5740, label %endif5742
+then5740:
+  store i1 true, ptr %a53
+  br label %endif5742
+endif5742:
+  %t303 = load ptr, ptr %a1
+  %t304 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.br(ptr %t303, { ptr, i64, i64 } %t304)
+  br label %endif5720
+endif5720:
+  %t305 = getelementptr inbounds %S.ast.Node, ptr %a80, i32 0, i32 6
+  %t306 = load i1, ptr %t305
+  %t307 = xor i1 %t306, true
+  br i1 %t307, label %then5743, label %endif5745
+then5743:
   %t308 = load ptr, ptr %a1
-  %t309 = icmp eq ptr %t308, null
-  br i1 %t309, label %panic5392, label %ok5393
-panic5392:
-  call void @finch_panic(ptr @.str.3536, i64 2791, ptr @.str.3537)
-  unreachable
-ok5393:
-  %t310 = getelementptr inbounds %S.gen.Gen, ptr %t308, i32 0, i32 20
-  %t311 = load ptr, ptr %a1
-  %t312 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 3
-  %t313 = load { ptr, i64, i64 }, ptr %t312
-  %t314 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 2
+  %t309 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.label(ptr %t308, { ptr, i64, i64 } %t309)
+  br label %endif5745
+endif5745:
+  call void @finch.drop.S_ast_Node(ptr %a211)
+  call void @finch_str_drop(ptr %a89)
+  call void @finch_str_drop(ptr %a86)
+  call void @finch.drop.S_ast_Node(ptr %a80)
+  br label %for.step5679
+for.step5679:
+  %t310 = load i64, ptr %a65
+  %t311 = add i64 %t310, 1
+  store i64 %t311, ptr %a65
+  br label %for.cond5677
+for.end5680:
+  %t312 = load i1, ptr %a52
+  %t313 = xor i1 %t312, true
+  br i1 %t313, label %then5746, label %endif5748
+then5746:
+  %t314 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 0
   %t315 = load { ptr, i64, i64 }, ptr %t314
-  %t316 = call i64 @finch.gen.findEnum(ptr %t311, { ptr, i64, i64 } %t313, { ptr, i64, i64 } %t315)
-  %t317 = load { ptr, i64, i64 }, ptr %t310
-  %t318 = extractvalue { ptr, i64, i64 } %t317, 1
-  %t319 = icmp uge i64 %t316, %t318
-  br i1 %t319, label %range5394, label %inrange5395
-range5394:
-  call void @finch_panic_index(ptr @.str.3538, i64 2791, i64 %t316, i64 %t318)
+  store { ptr, i64, i64 } %t315, ptr %a316
+  store { ptr, i64, i64 } { ptr @.str.3697, i64 4, i64 0 }, ptr %a317
+  %t318 = call i32 @finch_str_eq(ptr %a316, ptr %a317)
+  %t319 = icmp ne i32 %t318, 0
+  br i1 %t319, label %then5749, label %else5750
+then5749:
+  %t320 = load ptr, ptr %a1
+  %t321 = icmp eq ptr %t320, null
+  br i1 %t321, label %panic5752, label %ok5753
+panic5752:
+  call void @finch_panic(ptr @.str.3698, i64 3040, ptr @.str.3699)
   unreachable
-inrange5395:
-  %t320 = extractvalue { ptr, i64, i64 } %t317, 0
-  %t321 = getelementptr inbounds %S.gen.EnumDef, ptr %t320, i64 %t316
-  %t322 = load %S.gen.EnumDef, ptr %t321
-  store %S.gen.EnumDef %t322, ptr %a323
-  call void @finch.copy.S_gen_EnumDef(ptr %a324, ptr %a323)
-  %t325 = load %S.gen.EnumDef, ptr %a324
-  store %S.gen.EnumDef %t325, ptr %a326
-  store { ptr, i64, i64 } zeroinitializer, ptr %a327
-  %t328 = getelementptr inbounds %S.gen.EnumDef, ptr %a326, i32 0, i32 2
-  %t329 = getelementptr inbounds { ptr, i64, i64 }, ptr %t328, i32 0, i32 1
-  %t330 = load i64, ptr %t329
-  store i64 0, ptr %a331
-  br label %for.cond5396
-for.cond5396:
-  %t332 = load i64, ptr %a331
-  %t333 = icmp slt i64 %t332, %t330
-  br i1 %t333, label %for.body5397, label %for.end5399
-for.body5397:
-  %t334 = getelementptr inbounds { ptr, i64, i64 }, ptr %a46, i32 0, i32 1
-  %t335 = getelementptr inbounds %S.gen.EnumDef, ptr %a326, i32 0, i32 3
-  %t336 = load i64, ptr %a331
-  %t337 = load { ptr, i64, i64 }, ptr %t335
-  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
-  %t339 = icmp uge i64 %t336, %t338
-  br i1 %t339, label %range5400, label %inrange5401
-range5400:
-  call void @finch_panic_index(ptr @.str.3539, i64 2794, i64 %t336, i64 %t338)
+ok5753:
+  %t322 = getelementptr inbounds %S.gen.Gen, ptr %t320, i32 0, i32 21
+  %t323 = load ptr, ptr %a1
+  %t324 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 3
+  %t325 = load { ptr, i64, i64 }, ptr %t324
+  %t326 = getelementptr inbounds %S.ast.Type, ptr %a19, i32 0, i32 2
+  %t327 = load { ptr, i64, i64 }, ptr %t326
+  %t328 = call i64 @finch.gen.findEnum(ptr %t323, { ptr, i64, i64 } %t325, { ptr, i64, i64 } %t327)
+  %t329 = load { ptr, i64, i64 }, ptr %t322
+  %t330 = extractvalue { ptr, i64, i64 } %t329, 1
+  %t331 = icmp uge i64 %t328, %t330
+  br i1 %t331, label %range5754, label %inrange5755
+range5754:
+  call void @finch_panic_index(ptr @.str.3700, i64 3040, i64 %t328, i64 %t330)
   unreachable
-inrange5401:
-  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
-  %t341 = getelementptr inbounds i64, ptr %t340, i64 %t336
+inrange5755:
+  %t332 = extractvalue { ptr, i64, i64 } %t329, 0
+  %t333 = getelementptr inbounds %S.gen.EnumDef, ptr %t332, i64 %t328
+  %t334 = load %S.gen.EnumDef, ptr %t333
+  store %S.gen.EnumDef %t334, ptr %a335
+  call void @finch.copy.S_gen_EnumDef(ptr %a336, ptr %a335)
+  %t337 = load %S.gen.EnumDef, ptr %a336
+  store %S.gen.EnumDef %t337, ptr %a338
+  store { ptr, i64, i64 } zeroinitializer, ptr %a339
+  %t340 = getelementptr inbounds %S.gen.EnumDef, ptr %a338, i32 0, i32 2
+  %t341 = getelementptr inbounds { ptr, i64, i64 }, ptr %t340, i32 0, i32 1
   %t342 = load i64, ptr %t341
-  call void @finch_str_from_int(ptr %a343, i64 %t342)
-  %t344 = load { ptr, i64, i64 }, ptr %a343
-  store i64 -1, ptr %a345
-  %t346 = load i64, ptr %t334
-  %t347 = load ptr, ptr %a46
-  store i64 0, ptr %a348
-  br label %find.cond5402
-find.cond5402:
-  %t349 = load i64, ptr %a348
-  %t350 = icmp slt i64 %t349, %t346
-  br i1 %t350, label %find.body5403, label %find.end5406
-find.body5403:
-  %t351 = getelementptr inbounds { ptr, i64, i64 }, ptr %t347, i64 %t349
-  %t352 = load { ptr, i64, i64 }, ptr %t351
-  store { ptr, i64, i64 } %t352, ptr %a353
-  store { ptr, i64, i64 } %t344, ptr %a354
-  %t355 = call i32 @finch_str_eq(ptr %a353, ptr %a354)
-  %t356 = icmp ne i32 %t355, 0
-  br i1 %t356, label %find.hit5404, label %find.next5405
-find.hit5404:
-  store i64 %t349, ptr %a345
-  br label %find.end5406
-find.next5405:
-  %t357 = add i64 %t349, 1
-  store i64 %t357, ptr %a348
-  br label %find.cond5402
-find.end5406:
-  %t358 = load i64, ptr %a345
-  %t359 = icmp sge i64 %t358, 0
-  %t360 = xor i1 %t359, true
-  br i1 %t360, label %then5407, label %endif5409
-then5407:
-  %t361 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
-  %t362 = getelementptr inbounds %S.gen.EnumDef, ptr %a326, i32 0, i32 2
-  %t363 = load i64, ptr %a331
-  %t364 = load { ptr, i64, i64 }, ptr %t362
-  %t365 = extractvalue { ptr, i64, i64 } %t364, 1
-  %t366 = icmp uge i64 %t363, %t365
-  br i1 %t366, label %range5410, label %inrange5411
-range5410:
-  call void @finch_panic_index(ptr @.str.3540, i64 2795, i64 %t363, i64 %t365)
+  store i64 0, ptr %a343
+  br label %for.cond5756
+for.cond5756:
+  %t344 = load i64, ptr %a343
+  %t345 = icmp slt i64 %t344, %t342
+  br i1 %t345, label %for.body5757, label %for.end5759
+for.body5757:
+  %t346 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
+  %t347 = getelementptr inbounds %S.gen.EnumDef, ptr %a338, i32 0, i32 3
+  %t348 = load i64, ptr %a343
+  %t349 = load { ptr, i64, i64 }, ptr %t347
+  %t350 = extractvalue { ptr, i64, i64 } %t349, 1
+  %t351 = icmp uge i64 %t348, %t350
+  br i1 %t351, label %range5760, label %inrange5761
+range5760:
+  call void @finch_panic_index(ptr @.str.3701, i64 3043, i64 %t348, i64 %t350)
   unreachable
-inrange5411:
-  %t367 = extractvalue { ptr, i64, i64 } %t364, 0
-  %t368 = getelementptr inbounds { ptr, i64, i64 }, ptr %t367, i64 %t363
-  %t369 = load { ptr, i64, i64 }, ptr %t368
-  store { ptr, i64, i64 } %t369, ptr %a370
-  call void @finch_str_copy(ptr %a371, ptr %a370)
-  %t372 = load { ptr, i64, i64 }, ptr %a371
-  %t373 = load i64, ptr %t361
-  %t374 = add i64 %t373, 1
-  call void @finch_arr_reserve(ptr %a327, i64 %t374, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t375 = load ptr, ptr %a327
-  %t376 = getelementptr inbounds { ptr, i64, i64 }, ptr %t375, i64 %t373
-  store { ptr, i64, i64 } %t372, ptr %t376
-  store i64 %t374, ptr %t361
-  br label %endif5409
-endif5409:
-  br label %for.step5398
-for.step5398:
-  %t377 = load i64, ptr %a331
-  %t378 = add i64 %t377, 1
-  store i64 %t378, ptr %a331
-  br label %for.cond5396
-for.end5399:
-  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
-  %t380 = load i64, ptr %t379
-  %t381 = icmp sgt i64 %t380, 0
-  br i1 %t381, label %then5412, label %endif5414
-then5412:
-  %t382 = load ptr, ptr %a1
-  %t383 = load %S.ast.Node, ptr %a2
-  %t384 = getelementptr inbounds { ptr, i64, i64 }, ptr %a327, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.3542, i64 2, i64 0 }, ptr %a385
-  call void @finch_str_join(ptr %a386, ptr %a327, ptr %a385)
-  %t387 = load { ptr, i64, i64 }, ptr %a386
-  store { ptr, i64, i64 } { ptr @.str.3541, i64 26, i64 0 }, ptr %a389
-  store { ptr, i64, i64 } %t387, ptr %a390
-  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
-  %t391 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t391, ptr %a393
-  store { ptr, i64, i64 } { ptr @.str.3543, i64 29, i64 0 }, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  call void @finch.gen.fail(ptr %t382, %S.ast.Node %t383, { ptr, i64, i64 } %t395)
-  br label %endif5414
-endif5414:
-  br label %endif5391
-else5390:
-  %t396 = load ptr, ptr %a1
-  %t397 = load %S.ast.Node, ptr %a2
-  %t398 = load %S.ast.Type, ptr %a19
-  %t399 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t398)
-  store { ptr, i64, i64 } { ptr @.str.3544, i64 11, i64 0 }, ptr %a401
-  store { ptr, i64, i64 } %t399, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t403, ptr %a405
-  store { ptr, i64, i64 } { ptr @.str.3545, i64 54, i64 0 }, ptr %a406
-  call void @finch_str_concat(ptr %a404, ptr %a405, ptr %a406)
-  %t407 = load { ptr, i64, i64 }, ptr %a404
-  call void @finch.gen.fail(ptr %t396, %S.ast.Node %t397, { ptr, i64, i64 } %t407)
-  br label %endif5391
-endif5391:
-  %t408 = load ptr, ptr %a1
-  %t409 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t408, { ptr, i64, i64 } { ptr @.str.3546, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.3547, i64 35, i64 0 }, %S.ast.Node %t409)
-  %t410 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t410, { ptr, i64, i64 } { ptr @.str.3548, i64 11, i64 0 })
-  %t411 = load ptr, ptr %a1
-  %t412 = icmp eq ptr %t411, null
-  br i1 %t412, label %panic5415, label %ok5416
-panic5415:
-  call void @finch_panic(ptr @.str.3549, i64 2807, ptr @.str.3550)
+inrange5761:
+  %t352 = extractvalue { ptr, i64, i64 } %t349, 0
+  %t353 = getelementptr inbounds i64, ptr %t352, i64 %t348
+  %t354 = load i64, ptr %t353
+  call void @finch_str_from_int(ptr %a355, i64 %t354)
+  %t356 = load { ptr, i64, i64 }, ptr %a355
+  store i64 -1, ptr %a357
+  %t358 = load i64, ptr %t346
+  %t359 = load ptr, ptr %a54
+  store i64 0, ptr %a360
+  br label %find.cond5762
+find.cond5762:
+  %t361 = load i64, ptr %a360
+  %t362 = icmp slt i64 %t361, %t358
+  br i1 %t362, label %find.body5763, label %find.end5766
+find.body5763:
+  %t363 = getelementptr inbounds { ptr, i64, i64 }, ptr %t359, i64 %t361
+  %t364 = load { ptr, i64, i64 }, ptr %t363
+  store { ptr, i64, i64 } %t364, ptr %a365
+  store { ptr, i64, i64 } %t356, ptr %a366
+  %t367 = call i32 @finch_str_eq(ptr %a365, ptr %a366)
+  %t368 = icmp ne i32 %t367, 0
+  br i1 %t368, label %find.hit5764, label %find.next5765
+find.hit5764:
+  store i64 %t361, ptr %a357
+  br label %find.end5766
+find.next5765:
+  %t369 = add i64 %t361, 1
+  store i64 %t369, ptr %a360
+  br label %find.cond5762
+find.end5766:
+  store { ptr, i64, i64 } %t356, ptr %a370
+  call void @finch_str_drop(ptr %a370)
+  %t371 = load i64, ptr %a357
+  %t372 = icmp sge i64 %t371, 0
+  %t373 = xor i1 %t372, true
+  br i1 %t373, label %then5767, label %endif5769
+then5767:
+  %t374 = getelementptr inbounds { ptr, i64, i64 }, ptr %a339, i32 0, i32 1
+  %t375 = getelementptr inbounds %S.gen.EnumDef, ptr %a338, i32 0, i32 2
+  %t376 = load i64, ptr %a343
+  %t377 = load { ptr, i64, i64 }, ptr %t375
+  %t378 = extractvalue { ptr, i64, i64 } %t377, 1
+  %t379 = icmp uge i64 %t376, %t378
+  br i1 %t379, label %range5770, label %inrange5771
+range5770:
+  call void @finch_panic_index(ptr @.str.3702, i64 3044, i64 %t376, i64 %t378)
   unreachable
-ok5416:
-  %t413 = getelementptr inbounds %S.gen.Gen, ptr %t411, i32 0, i32 9
-  store i1 true, ptr %t413
-  br label %endif5388
-endif5388:
-  %t414 = load ptr, ptr %a1
-  %t415 = load { ptr, i64, i64 }, ptr %a43
-  call void @finch.gen.label(ptr %t414, { ptr, i64, i64 } %t415)
-  %t416 = load i1, ptr %a45
-  %t417 = xor i1 %t416, true
-  br i1 %t417, label %then5417, label %endif5419
-then5417:
-  %t418 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t418, { ptr, i64, i64 } { ptr @.str.3551, i64 11, i64 0 })
-  %t419 = load ptr, ptr %a1
-  %t420 = icmp eq ptr %t419, null
-  br i1 %t420, label %panic5420, label %ok5421
-panic5420:
-  call void @finch_panic(ptr @.str.3552, i64 2812, ptr @.str.3553)
+inrange5771:
+  %t380 = extractvalue { ptr, i64, i64 } %t377, 0
+  %t381 = getelementptr inbounds { ptr, i64, i64 }, ptr %t380, i64 %t376
+  %t382 = load { ptr, i64, i64 }, ptr %t381
+  store { ptr, i64, i64 } %t382, ptr %a383
+  call void @finch_str_copy(ptr %a384, ptr %a383)
+  %t385 = load { ptr, i64, i64 }, ptr %a384
+  %t386 = load i64, ptr %t374
+  %t387 = add i64 %t386, 1
+  call void @finch_arr_reserve(ptr %a339, i64 %t387, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t388 = load ptr, ptr %a339
+  %t389 = getelementptr inbounds { ptr, i64, i64 }, ptr %t388, i64 %t386
+  store { ptr, i64, i64 } %t385, ptr %t389
+  store i64 %t387, ptr %t374
+  br label %endif5769
+endif5769:
+  br label %for.step5758
+for.step5758:
+  %t390 = load i64, ptr %a343
+  %t391 = add i64 %t390, 1
+  store i64 %t391, ptr %a343
+  br label %for.cond5756
+for.end5759:
+  %t392 = getelementptr inbounds { ptr, i64, i64 }, ptr %a339, i32 0, i32 1
+  %t393 = load i64, ptr %t392
+  %t394 = icmp sgt i64 %t393, 0
+  br i1 %t394, label %then5772, label %endif5774
+then5772:
+  %t395 = load ptr, ptr %a1
+  %t396 = load %S.ast.Node, ptr %a2
+  %t397 = getelementptr inbounds { ptr, i64, i64 }, ptr %a339, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3704, i64 2, i64 0 }, ptr %a398
+  call void @finch_str_join(ptr %a399, ptr %a339, ptr %a398)
+  %t400 = load { ptr, i64, i64 }, ptr %a399
+  store { ptr, i64, i64 } { ptr @.str.3703, i64 26, i64 0 }, ptr %a402
+  store { ptr, i64, i64 } %t400, ptr %a403
+  call void @finch_str_concat(ptr %a401, ptr %a402, ptr %a403)
+  store { ptr, i64, i64 } %t400, ptr %a404
+  call void @finch_str_drop(ptr %a404)
+  %t405 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } %t405, ptr %a407
+  store { ptr, i64, i64 } { ptr @.str.3705, i64 29, i64 0 }, ptr %a408
+  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
+  store { ptr, i64, i64 } %t405, ptr %a409
+  call void @finch_str_drop(ptr %a409)
+  %t410 = load { ptr, i64, i64 }, ptr %a406
+  call void @finch.gen.fail(ptr %t395, %S.ast.Node %t396, { ptr, i64, i64 } %t410)
+  store { ptr, i64, i64 } %t410, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  br label %endif5774
+endif5774:
+  call void @finch.drop.arr_str(ptr %a339)
+  call void @finch.drop.S_gen_EnumDef(ptr %a338)
+  br label %endif5751
+else5750:
+  %t412 = load ptr, ptr %a1
+  %t413 = load %S.ast.Node, ptr %a2
+  %t414 = load %S.ast.Type, ptr %a19
+  %t415 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t414)
+  store { ptr, i64, i64 } { ptr @.str.3706, i64 11, i64 0 }, ptr %a417
+  store { ptr, i64, i64 } %t415, ptr %a418
+  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
+  store { ptr, i64, i64 } %t415, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a416
+  store { ptr, i64, i64 } %t420, ptr %a422
+  store { ptr, i64, i64 } { ptr @.str.3707, i64 54, i64 0 }, ptr %a423
+  call void @finch_str_concat(ptr %a421, ptr %a422, ptr %a423)
+  store { ptr, i64, i64 } %t420, ptr %a424
+  call void @finch_str_drop(ptr %a424)
+  %t425 = load { ptr, i64, i64 }, ptr %a421
+  call void @finch.gen.fail(ptr %t412, %S.ast.Node %t413, { ptr, i64, i64 } %t425)
+  store { ptr, i64, i64 } %t425, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  br label %endif5751
+endif5751:
+  %t427 = load ptr, ptr %a1
+  %t428 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t427, { ptr, i64, i64 } { ptr @.str.3708, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.3709, i64 35, i64 0 }, %S.ast.Node %t428)
+  %t429 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t429, { ptr, i64, i64 } { ptr @.str.3710, i64 11, i64 0 })
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic5775, label %ok5776
+panic5775:
+  call void @finch_panic(ptr @.str.3711, i64 3056, ptr @.str.3712)
   unreachable
-ok5421:
-  %t421 = getelementptr inbounds %S.gen.Gen, ptr %t419, i32 0, i32 9
-  store i1 true, ptr %t421
-  %t422 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3554, i64 4, i64 0 })
-  %t423 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t422, 1
-  ret %S.gen.Val %t423
-endif5419:
-  %t424 = load i1, ptr %a3
-  br i1 %t424, label %then5422, label %endif5424
-then5422:
-  %t425 = load ptr, ptr %a1
-  %t426 = load ptr, ptr %a1
-  %t427 = load %S.ast.Type, ptr %a50
-  %t428 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t426, %S.ast.Type %t427)
-  store { ptr, i64, i64 } { ptr @.str.3555, i64 4, i64 0 }, ptr %a430
-  store { ptr, i64, i64 } %t428, ptr %a431
-  call void @finch_str_concat(ptr %a429, ptr %a430, ptr %a431)
-  %t432 = load { ptr, i64, i64 }, ptr %a429
-  store { ptr, i64, i64 } %t432, ptr %a434
-  store { ptr, i64, i64 } { ptr @.str.3556, i64 1, i64 0 }, ptr %a435
-  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
-  %t436 = load { ptr, i64, i64 }, ptr %a433
-  %t437 = load { ptr, i64, i64 }, ptr %a47
-  %t438 = load { ptr, i64, i64 }, ptr %a48
-  %t439 = call { ptr, i64, i64 } @finch.gen.phiList({ ptr, i64, i64 } %t437, { ptr, i64, i64 } %t438)
-  store { ptr, i64, i64 } %t436, ptr %a441
-  store { ptr, i64, i64 } %t439, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  %t444 = call { ptr, i64, i64 } @finch.gen.op(ptr %t425, { ptr, i64, i64 } %t443)
-  %t445 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t444, 0
-  %t446 = load %S.ast.Type, ptr %a50
-  store %S.ast.Type %t446, ptr %a447
-  call void @finch.copy.S_ast_Type(ptr %a448, ptr %a447)
-  %t449 = load %S.ast.Type, ptr %a448
-  %t450 = insertvalue %S.gen.Val %t445, %S.ast.Type %t449, 1
-  %t451 = load ptr, ptr %a1
-  %t452 = load %S.ast.Type, ptr %a50
-  %t453 = call i1 @finch.gen.owning(ptr %t451, %S.ast.Type %t452)
-  %t454 = insertvalue %S.gen.Val %t450, i1 %t453, 2
-  ret %S.gen.Val %t454
-endif5424:
-  %t455 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3557, i64 4, i64 0 })
-  %t456 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t455, 1
-  ret %S.gen.Val %t456
+ok5776:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 9
+  store i1 true, ptr %t432
+  br label %endif5748
+endif5748:
+  %t433 = load ptr, ptr %a1
+  %t434 = load i64, ptr %a46
+  call void @finch.gen.heldEnd(ptr %t433, i64 %t434)
+  %t435 = load ptr, ptr %a1
+  %t436 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.label(ptr %t435, { ptr, i64, i64 } %t436)
+  %t437 = load i1, ptr %a53
+  %t438 = xor i1 %t437, true
+  br i1 %t438, label %then5777, label %endif5779
+then5777:
+  %t439 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t439, { ptr, i64, i64 } { ptr @.str.3713, i64 11, i64 0 })
+  %t440 = load ptr, ptr %a1
+  %t441 = icmp eq ptr %t440, null
+  br i1 %t441, label %panic5780, label %ok5781
+panic5780:
+  call void @finch_panic(ptr @.str.3714, i64 3062, ptr @.str.3715)
+  unreachable
+ok5781:
+  %t442 = getelementptr inbounds %S.gen.Gen, ptr %t440, i32 0, i32 9
+  store i1 true, ptr %t442
+  %t443 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3716, i64 4, i64 0 })
+  %t444 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t443, 1
+  call void @finch.drop.S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a56)
+  call void @finch.drop.arr_str(ptr %a55)
+  call void @finch.drop.arr_str(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  call void @finch.drop.S_gen_Val(ptr %a13)
+  ret %S.gen.Val %t444
+endif5779:
+  %t445 = load i1, ptr %a3
+  br i1 %t445, label %then5782, label %endif5784
+then5782:
+  %t446 = load ptr, ptr %a1
+  %t447 = load ptr, ptr %a1
+  %t448 = load %S.ast.Type, ptr %a58
+  %t449 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t447, %S.ast.Type %t448)
+  store { ptr, i64, i64 } { ptr @.str.3717, i64 4, i64 0 }, ptr %a451
+  store { ptr, i64, i64 } %t449, ptr %a452
+  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
+  store { ptr, i64, i64 } %t449, ptr %a453
+  call void @finch_str_drop(ptr %a453)
+  %t454 = load { ptr, i64, i64 }, ptr %a450
+  store { ptr, i64, i64 } %t454, ptr %a456
+  store { ptr, i64, i64 } { ptr @.str.3718, i64 1, i64 0 }, ptr %a457
+  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
+  store { ptr, i64, i64 } %t454, ptr %a458
+  call void @finch_str_drop(ptr %a458)
+  %t459 = load { ptr, i64, i64 }, ptr %a455
+  %t460 = load { ptr, i64, i64 }, ptr %a55
+  %t461 = load { ptr, i64, i64 }, ptr %a56
+  %t462 = call { ptr, i64, i64 } @finch.gen.phiList({ ptr, i64, i64 } %t460, { ptr, i64, i64 } %t461)
+  store { ptr, i64, i64 } %t459, ptr %a464
+  store { ptr, i64, i64 } %t462, ptr %a465
+  call void @finch_str_concat(ptr %a463, ptr %a464, ptr %a465)
+  store { ptr, i64, i64 } %t459, ptr %a466
+  call void @finch_str_drop(ptr %a466)
+  store { ptr, i64, i64 } %t462, ptr %a467
+  call void @finch_str_drop(ptr %a467)
+  %t468 = load { ptr, i64, i64 }, ptr %a463
+  %t469 = call { ptr, i64, i64 } @finch.gen.op(ptr %t446, { ptr, i64, i64 } %t468)
+  store { ptr, i64, i64 } %t468, ptr %a470
+  call void @finch_str_drop(ptr %a470)
+  %t471 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t469, 0
+  %t472 = load %S.ast.Type, ptr %a58
+  store %S.ast.Type %t472, ptr %a473
+  call void @finch.copy.S_ast_Type(ptr %a474, ptr %a473)
+  %t475 = load %S.ast.Type, ptr %a474
+  %t476 = insertvalue %S.gen.Val %t471, %S.ast.Type %t475, 1
+  %t477 = load ptr, ptr %a1
+  %t478 = load %S.ast.Type, ptr %a58
+  %t479 = call i1 @finch.gen.owning(ptr %t477, %S.ast.Type %t478)
+  %t480 = insertvalue %S.gen.Val %t476, i1 %t479, 2
+  store %S.gen.Val %t480, ptr %a481
+  %t482 = load ptr, ptr %a1
+  %t483 = load %S.gen.Val, ptr %a13
+  call void @finch.gen.release(ptr %t482, %S.gen.Val %t483)
+  %t484 = load %S.gen.Val, ptr %a481
+  call void @finch.drop.S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a56)
+  call void @finch.drop.arr_str(ptr %a55)
+  call void @finch.drop.arr_str(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  call void @finch.drop.S_gen_Val(ptr %a13)
+  ret %S.gen.Val %t484
+endif5784:
+  %t485 = load ptr, ptr %a1
+  %t486 = load %S.gen.Val, ptr %a13
+  call void @finch.gen.release(ptr %t485, %S.gen.Val %t486)
+  %t487 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3719, i64 4, i64 0 })
+  %t488 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t487, 1
+  call void @finch.drop.S_ast_Type(ptr %a58)
+  call void @finch.drop.arr_str(ptr %a56)
+  call void @finch.drop.arr_str(ptr %a55)
+  call void @finch.drop.arr_str(ptr %a54)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a19)
+  call void @finch.drop.S_gen_Val(ptr %a13)
+  ret %S.gen.Val %t488
 }
 
 define internal { ptr, i64, i64 } @finch.gen.phiList({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
@@ -49838,103 +59071,96 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } zeroinitializer, ptr %a3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   store i64 0, ptr %a6
-  br label %for.cond5425
-for.cond5425:
+  br label %for.cond5785
+for.cond5785:
   %t7 = load i64, ptr %a6
   %t8 = icmp slt i64 %t7, %t5
-  br i1 %t8, label %for.body5426, label %for.end5428
-for.body5426:
+  br i1 %t8, label %for.body5786, label %for.end5788
+for.body5786:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t10 = load i64, ptr %a6
   %t11 = load { ptr, i64, i64 }, ptr %a1
   %t12 = extractvalue { ptr, i64, i64 } %t11, 1
   %t13 = icmp uge i64 %t10, %t12
-  br i1 %t13, label %range5429, label %inrange5430
-range5429:
-  call void @finch_panic_index(ptr @.str.3559, i64 2824, i64 %t10, i64 %t12)
+  br i1 %t13, label %range5789, label %inrange5790
+range5789:
+  call void @finch_panic_index(ptr @.str.3721, i64 3077, i64 %t10, i64 %t12)
   unreachable
-inrange5430:
+inrange5790:
   %t14 = extractvalue { ptr, i64, i64 } %t11, 0
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i64 %t10
   %t16 = load { ptr, i64, i64 }, ptr %t15
-  store { ptr, i64, i64 } { ptr @.str.3558, i64 2, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3720, i64 2, i64 0 }, ptr %a18
   store { ptr, i64, i64 } %t16, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
   %t20 = load { ptr, i64, i64 }, ptr %a17
   store { ptr, i64, i64 } %t20, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.3560, i64 3, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.3722, i64 3, i64 0 }, ptr %a23
   call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  %t25 = load i64, ptr %a6
-  %t26 = load { ptr, i64, i64 }, ptr %a2
-  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
-  %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range5431, label %inrange5432
-range5431:
-  call void @finch_panic_index(ptr @.str.3561, i64 2824, i64 %t25, i64 %t27)
+  store { ptr, i64, i64 } %t20, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  %t26 = load i64, ptr %a6
+  %t27 = load { ptr, i64, i64 }, ptr %a2
+  %t28 = extractvalue { ptr, i64, i64 } %t27, 1
+  %t29 = icmp uge i64 %t26, %t28
+  br i1 %t29, label %range5791, label %inrange5792
+range5791:
+  call void @finch_panic_index(ptr @.str.3723, i64 3077, i64 %t26, i64 %t28)
   unreachable
-inrange5432:
-  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
-  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 %t25
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t24, ptr %a33
-  store { ptr, i64, i64 } %t31, ptr %a34
-  call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t35, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.3562, i64 2, i64 0 }, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load i64, ptr %t9
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %a3, i64 %t41, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %a3
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i64 %t40
-  store { ptr, i64, i64 } %t39, ptr %t43
-  store i64 %t41, ptr %t9
-  br label %for.step5427
-for.step5427:
-  %t44 = load i64, ptr %a6
-  %t45 = add i64 %t44, 1
-  store i64 %t45, ptr %a6
-  br label %for.cond5425
-for.end5428:
-  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.3563, i64 2, i64 0 }, ptr %a47
-  call void @finch_str_join(ptr %a48, ptr %a3, ptr %a47)
-  %t49 = load { ptr, i64, i64 }, ptr %a48
-  ret { ptr, i64, i64 } %t49
-}
-
-define internal void @finch.copy.S_gen_Fallible(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Fallible, ptr %src
-  store %S.gen.Fallible %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Fallible, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Fallible, ptr %src, i32 0, i32 0
-  call void @finch.copy.S_gen_Val(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Fallible, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Fallible, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.gen.Fallible, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.gen.Fallible, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  ret void
+inrange5792:
+  %t30 = extractvalue { ptr, i64, i64 } %t27, 0
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t26
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t25, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t25, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.3724, i64 2, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  %t43 = load i64, ptr %t9
+  %t44 = add i64 %t43, 1
+  call void @finch_arr_reserve(ptr %a3, i64 %t44, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t45 = load ptr, ptr %a3
+  %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t43
+  store { ptr, i64, i64 } %t42, ptr %t46
+  store i64 %t44, ptr %t9
+  br label %for.step5787
+for.step5787:
+  %t47 = load i64, ptr %a6
+  %t48 = add i64 %t47, 1
+  store i64 %t48, ptr %a6
+  br label %for.cond5785
+for.end5788:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.3725, i64 2, i64 0 }, ptr %a50
+  call void @finch_str_join(ptr %a51, ptr %a3, ptr %a50)
+  %t52 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.drop.arr_str(ptr %a3)
+  ret { ptr, i64, i64 } %t52
 }
 
 define internal %S.gen.Fallible @finch.gen.fallibleCall(ptr %p0, %S.ast.Node %p1) {
@@ -49954,60 +59180,64 @@ entry:
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca %S.gen.Val, align 16
-  %a58 = alloca %S.gen.Val, align 16
-  %a59 = alloca %S.gen.Val, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca %S.gen.Fallible, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca %S.gen.Val, align 16
+  %a64 = alloca %S.gen.Val, align 16
+  %a65 = alloca %S.gen.Val, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca %S.gen.Fallible, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca %S.gen.Fallible, align 16
-  %a108 = alloca %S.gen.Fallible, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.3564, i64 4, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.3726, i64 4, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp eq i32 %t7, 0
-  br label %logic.from5433
-logic.from5433:
-  br i1 %t8, label %logic.rhs5434, label %logic.end5435
-logic.rhs5434:
+  br label %logic.from5793
+logic.from5793:
+  br i1 %t8, label %logic.rhs5794, label %logic.end5795
+logic.rhs5794:
   %t9 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t10 = load { ptr, i64, i64 }, ptr %t9
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.3565, i64 6, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.3727, i64 6, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp eq i32 %t13, 0
-  br label %logic.rend5436
-logic.rend5436:
-  br label %logic.end5435
-logic.end5435:
-  %t15 = phi i1 [ false, %logic.from5433 ], [ %t14, %logic.rend5436 ]
-  br i1 %t15, label %then5437, label %endif5439
-then5437:
+  br label %logic.rend5796
+logic.rend5796:
+  br label %logic.end5795
+logic.end5795:
+  %t15 = phi i1 [ false, %logic.from5793 ], [ %t14, %logic.rend5796 ]
+  br i1 %t15, label %then5797, label %endif5799
+then5797:
   %t16 = load ptr, ptr %a1
   %t17 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } { ptr @.str.3566, i64 80, i64 0 })
-  br label %endif5439
-endif5439:
+  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } { ptr @.str.3728, i64 80, i64 0 })
+  br label %endif5799
+endif5799:
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic5440, label %ok5441
-panic5440:
-  call void @finch_panic(ptr @.str.3567, i64 2842, ptr @.str.3568)
+  br i1 %t19, label %panic5800, label %ok5801
+panic5800:
+  call void @finch_panic(ptr @.str.3729, i64 3095, ptr @.str.3730)
   unreachable
-ok5441:
-  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 39
+ok5801:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 40
   %t21 = load { ptr, i64, i64 }, ptr %t20
   store { ptr, i64, i64 } %t21, ptr %a22
   call void @finch_str_copy(ptr %a23, ptr %a22)
@@ -50015,12 +59245,12 @@ ok5441:
   store { ptr, i64, i64 } %t24, ptr %a25
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic5442, label %ok5443
-panic5442:
-  call void @finch_panic(ptr @.str.3569, i64 2843, ptr @.str.3570)
+  br i1 %t27, label %panic5802, label %ok5803
+panic5802:
+  call void @finch_panic(ptr @.str.3731, i64 3096, ptr @.str.3732)
   unreachable
-ok5443:
-  %t28 = getelementptr inbounds %S.gen.Gen, ptr %t26, i32 0, i32 40
+ok5803:
+  %t28 = getelementptr inbounds %S.gen.Gen, ptr %t26, i32 0, i32 41
   %t29 = load { ptr, i64, i64 }, ptr %t28
   store { ptr, i64, i64 } %t29, ptr %a30
   call void @finch_str_copy(ptr %a31, ptr %a30)
@@ -50028,12 +59258,12 @@ ok5443:
   store { ptr, i64, i64 } %t32, ptr %a33
   %t34 = load ptr, ptr %a1
   %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic5444, label %ok5445
-panic5444:
-  call void @finch_panic(ptr @.str.3571, i64 2844, ptr @.str.3572)
+  br i1 %t35, label %panic5804, label %ok5805
+panic5804:
+  call void @finch_panic(ptr @.str.3733, i64 3097, ptr @.str.3734)
   unreachable
-ok5445:
-  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 41
+ok5805:
+  %t36 = getelementptr inbounds %S.gen.Gen, ptr %t34, i32 0, i32 42
   %t37 = load { ptr, i64, i64 }, ptr %t36
   store { ptr, i64, i64 } %t37, ptr %a38
   call void @finch_str_copy(ptr %a39, ptr %a38)
@@ -50043,122 +59273,153 @@ ok5445:
   %t43 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t42)
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic5446, label %ok5447
-panic5446:
-  call void @finch_panic(ptr @.str.3573, i64 2845, ptr @.str.3574)
+  br i1 %t45, label %panic5806, label %ok5807
+panic5806:
+  call void @finch_panic(ptr @.str.3735, i64 3098, ptr @.str.3736)
   unreachable
-ok5447:
-  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 39
+ok5807:
+  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 40
+  %t47 = load { ptr, i64, i64 }, ptr %t46
   store { ptr, i64, i64 } %t43, ptr %t46
-  %t47 = load ptr, ptr %a1
-  %t48 = icmp eq ptr %t47, null
-  br i1 %t48, label %panic5448, label %ok5449
-panic5448:
-  call void @finch_panic(ptr @.str.3576, i64 2846, ptr @.str.3577)
+  store { ptr, i64, i64 } %t47, ptr %a48
+  call void @finch_str_drop(ptr %a48)
+  %t49 = load ptr, ptr %a1
+  %t50 = icmp eq ptr %t49, null
+  br i1 %t50, label %panic5808, label %ok5809
+panic5808:
+  call void @finch_panic(ptr @.str.3738, i64 3099, ptr @.str.3739)
   unreachable
-ok5449:
-  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 40
-  store { ptr, i64, i64 } { ptr @.str.3575, i64 0, i64 0 }, ptr %t49
-  %t50 = load ptr, ptr %a1
-  %t51 = icmp eq ptr %t50, null
-  br i1 %t51, label %panic5450, label %ok5451
-panic5450:
-  call void @finch_panic(ptr @.str.3579, i64 2847, ptr @.str.3580)
+ok5809:
+  %t51 = getelementptr inbounds %S.gen.Gen, ptr %t49, i32 0, i32 41
+  %t52 = load { ptr, i64, i64 }, ptr %t51
+  store { ptr, i64, i64 } { ptr @.str.3737, i64 0, i64 0 }, ptr %t51
+  store { ptr, i64, i64 } %t52, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load ptr, ptr %a1
+  %t55 = icmp eq ptr %t54, null
+  br i1 %t55, label %panic5810, label %ok5811
+panic5810:
+  call void @finch_panic(ptr @.str.3741, i64 3100, ptr @.str.3742)
   unreachable
-ok5451:
-  %t52 = getelementptr inbounds %S.gen.Gen, ptr %t50, i32 0, i32 41
-  store { ptr, i64, i64 } { ptr @.str.3578, i64 0, i64 0 }, ptr %t52
-  %t53 = load ptr, ptr %a1
-  %t54 = load %S.ast.Node, ptr %a2
-  %t55 = call %S.gen.Val @finch.gen.expr(ptr %t53, %S.ast.Node %t54)
-  store %S.gen.Val %t55, ptr %a56
-  %t57 = load %S.gen.Val, ptr %a56
-  store %S.gen.Val %t57, ptr %a58
-  call void @finch.copy.S_gen_Val(ptr %a59, ptr %a58)
-  %t60 = load %S.gen.Val, ptr %a59
-  %t61 = insertvalue %S.gen.Fallible zeroinitializer, %S.gen.Val %t60, 0
-  %t62 = load ptr, ptr %a1
-  %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic5452, label %ok5453
-panic5452:
-  call void @finch_panic(ptr @.str.3581, i64 2849, ptr @.str.3582)
+ok5811:
+  %t56 = getelementptr inbounds %S.gen.Gen, ptr %t54, i32 0, i32 42
+  %t57 = load { ptr, i64, i64 }, ptr %t56
+  store { ptr, i64, i64 } { ptr @.str.3740, i64 0, i64 0 }, ptr %t56
+  store { ptr, i64, i64 } %t57, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Node, ptr %a2
+  %t61 = call %S.gen.Val @finch.gen.expr(ptr %t59, %S.ast.Node %t60)
+  store %S.gen.Val %t61, ptr %a62
+  %t63 = load %S.gen.Val, ptr %a62
+  store %S.gen.Val %t63, ptr %a64
+  call void @finch.copy.S_gen_Val(ptr %a65, ptr %a64)
+  %t66 = load %S.gen.Val, ptr %a65
+  %t67 = insertvalue %S.gen.Fallible zeroinitializer, %S.gen.Val %t66, 0
+  %t68 = load ptr, ptr %a1
+  %t69 = icmp eq ptr %t68, null
+  br i1 %t69, label %panic5812, label %ok5813
+panic5812:
+  call void @finch_panic(ptr @.str.3743, i64 3102, ptr @.str.3744)
   unreachable
-ok5453:
-  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 40
-  %t65 = load { ptr, i64, i64 }, ptr %t64
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  %t69 = insertvalue %S.gen.Fallible %t61, { ptr, i64, i64 } %t68, 1
-  %t70 = load ptr, ptr %a1
-  %t71 = icmp eq ptr %t70, null
-  br i1 %t71, label %panic5454, label %ok5455
-panic5454:
-  call void @finch_panic(ptr @.str.3583, i64 2849, ptr @.str.3584)
+ok5813:
+  %t70 = getelementptr inbounds %S.gen.Gen, ptr %t68, i32 0, i32 41
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_copy(ptr %a73, ptr %a72)
+  %t74 = load { ptr, i64, i64 }, ptr %a73
+  %t75 = insertvalue %S.gen.Fallible %t67, { ptr, i64, i64 } %t74, 1
+  %t76 = load ptr, ptr %a1
+  %t77 = icmp eq ptr %t76, null
+  br i1 %t77, label %panic5814, label %ok5815
+panic5814:
+  call void @finch_panic(ptr @.str.3745, i64 3102, ptr @.str.3746)
   unreachable
-ok5455:
-  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 41
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t73, ptr %a74
-  call void @finch_str_copy(ptr %a75, ptr %a74)
-  %t76 = load { ptr, i64, i64 }, ptr %a75
-  %t77 = insertvalue %S.gen.Fallible %t69, { ptr, i64, i64 } %t76, 2
-  store %S.gen.Fallible %t77, ptr %a78
-  %t79 = load { ptr, i64, i64 }, ptr %a25
-  %t80 = load ptr, ptr %a1
-  %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic5456, label %ok5457
-panic5456:
-  call void @finch_panic(ptr @.str.3585, i64 2850, ptr @.str.3586)
+ok5815:
+  %t78 = getelementptr inbounds %S.gen.Gen, ptr %t76, i32 0, i32 42
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_copy(ptr %a81, ptr %a80)
+  %t82 = load { ptr, i64, i64 }, ptr %a81
+  %t83 = insertvalue %S.gen.Fallible %t75, { ptr, i64, i64 } %t82, 2
+  store %S.gen.Fallible %t83, ptr %a84
+  %t85 = load { ptr, i64, i64 }, ptr %a25
+  %t86 = load ptr, ptr %a1
+  %t87 = icmp eq ptr %t86, null
+  br i1 %t87, label %panic5816, label %ok5817
+panic5816:
+  call void @finch_panic(ptr @.str.3747, i64 3103, ptr @.str.3748)
   unreachable
-ok5457:
-  %t82 = getelementptr inbounds %S.gen.Gen, ptr %t80, i32 0, i32 39
-  store { ptr, i64, i64 } %t79, ptr %a83
-  call void @finch_str_copy(ptr %a84, ptr %a83)
-  %t85 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t85, ptr %t82
-  %t86 = load { ptr, i64, i64 }, ptr %a33
-  %t87 = load ptr, ptr %a1
-  %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic5458, label %ok5459
-panic5458:
-  call void @finch_panic(ptr @.str.3587, i64 2851, ptr @.str.3588)
+ok5817:
+  %t88 = getelementptr inbounds %S.gen.Gen, ptr %t86, i32 0, i32 40
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_copy(ptr %a90, ptr %a89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  %t92 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t91, ptr %t88
+  store { ptr, i64, i64 } %t92, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a33
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic5818, label %ok5819
+panic5818:
+  call void @finch_panic(ptr @.str.3749, i64 3104, ptr @.str.3750)
   unreachable
-ok5459:
-  %t89 = getelementptr inbounds %S.gen.Gen, ptr %t87, i32 0, i32 40
-  store { ptr, i64, i64 } %t86, ptr %a90
-  call void @finch_str_copy(ptr %a91, ptr %a90)
-  %t92 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t92, ptr %t89
-  %t93 = load { ptr, i64, i64 }, ptr %a41
-  %t94 = load ptr, ptr %a1
-  %t95 = icmp eq ptr %t94, null
-  br i1 %t95, label %panic5460, label %ok5461
-panic5460:
-  call void @finch_panic(ptr @.str.3589, i64 2852, ptr @.str.3590)
-  unreachable
-ok5461:
-  %t96 = getelementptr inbounds %S.gen.Gen, ptr %t94, i32 0, i32 41
-  store { ptr, i64, i64 } %t93, ptr %a97
-  call void @finch_str_copy(ptr %a98, ptr %a97)
-  %t99 = load { ptr, i64, i64 }, ptr %a98
-  store { ptr, i64, i64 } %t99, ptr %t96
-  %t100 = getelementptr inbounds %S.gen.Fallible, ptr %a78, i32 0, i32 1
-  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i32 0, i32 1
-  %t102 = load i64, ptr %t101
-  %t103 = icmp eq i64 %t102, 0
-  br i1 %t103, label %then5462, label %endif5464
-then5462:
+ok5819:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 41
+  store { ptr, i64, i64 } %t94, ptr %a98
+  call void @finch_str_copy(ptr %a99, ptr %a98)
+  %t100 = load { ptr, i64, i64 }, ptr %a99
+  %t101 = load { ptr, i64, i64 }, ptr %t97
+  store { ptr, i64, i64 } %t100, ptr %t97
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a41
   %t104 = load ptr, ptr %a1
-  %t105 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t104, %S.ast.Node %t105, { ptr, i64, i64 } { ptr @.str.3591, i64 50, i64 0 })
-  br label %endif5464
-endif5464:
-  %t106 = load %S.gen.Fallible, ptr %a78
-  store %S.gen.Fallible %t106, ptr %a107
-  call void @finch.copy.S_gen_Fallible(ptr %a108, ptr %a107)
-  %t109 = load %S.gen.Fallible, ptr %a108
-  ret %S.gen.Fallible %t109
+  %t105 = icmp eq ptr %t104, null
+  br i1 %t105, label %panic5820, label %ok5821
+panic5820:
+  call void @finch_panic(ptr @.str.3751, i64 3105, ptr @.str.3752)
+  unreachable
+ok5821:
+  %t106 = getelementptr inbounds %S.gen.Gen, ptr %t104, i32 0, i32 42
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_copy(ptr %a108, ptr %a107)
+  %t109 = load { ptr, i64, i64 }, ptr %a108
+  %t110 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t109, ptr %t106
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = getelementptr inbounds %S.gen.Fallible, ptr %a84, i32 0, i32 1
+  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i32 0, i32 1
+  %t114 = load i64, ptr %t113
+  %t115 = icmp eq i64 %t114, 0
+  br i1 %t115, label %then5822, label %endif5824
+then5822:
+  %t116 = load ptr, ptr %a1
+  %t117 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t116, %S.ast.Node %t117, { ptr, i64, i64 } { ptr @.str.3753, i64 50, i64 0 })
+  br label %endif5824
+endif5824:
+  %t118 = load %S.gen.Fallible, ptr %a84
+  call void @finch.drop.S_gen_Val(ptr %a62)
+  call void @finch_str_drop(ptr %a41)
+  call void @finch_str_drop(ptr %a33)
+  call void @finch_str_drop(ptr %a25)
+  ret %S.gen.Fallible %t118
+}
+
+define internal void @finch.drop.S_gen_Fallible(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Fallible, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_gen_Val(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Fallible, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Fallible, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
 }
 
 define internal %S.gen.Val @finch.gen.tryExpr(ptr %p0, %S.ast.Node %p1) {
@@ -50171,250 +59432,305 @@ entry:
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca %S.gen.Fallible, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca %S.gen.Fallible, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca %S.gen.Val, align 16
-  %a138 = alloca %S.gen.Val, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca %S.gen.Val, align 16
+  %a156 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic5465, label %ok5466
-panic5465:
-  call void @finch_panic(ptr @.str.3592, i64 2861, ptr @.str.3593)
+  br i1 %t4, label %panic5825, label %ok5826
+panic5825:
+  call void @finch_panic(ptr @.str.3754, i64 3114, ptr @.str.3755)
   unreachable
-ok5466:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 44
+ok5826:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 45
   %t6 = load i64, ptr %t5
   %t7 = icmp sgt i64 %t6, 0
-  br i1 %t7, label %then5467, label %endif5469
-then5467:
+  br i1 %t7, label %then5827, label %endif5829
+then5827:
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3594, i64 30, i64 0 })
-  br label %endif5469
-endif5469:
+  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.3756, i64 30, i64 0 })
+  br label %endif5829
+endif5829:
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic5470, label %ok5471
-panic5470:
-  call void @finch_panic(ptr @.str.3595, i64 2864, ptr @.str.3596)
+  br i1 %t11, label %panic5830, label %ok5831
+panic5830:
+  call void @finch_panic(ptr @.str.3757, i64 3117, ptr @.str.3758)
   unreachable
-ok5471:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 12
+ok5831:
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 13
   %t13 = getelementptr inbounds %S.gen.FnSig, ptr %t12, i32 0, i32 9
   %t14 = load i1, ptr %t13
   %t15 = xor i1 %t14, true
-  br i1 %t15, label %then5472, label %endif5474
-then5472:
-  store { ptr, i64, i64 } { ptr @.str.3597, i64 1, i64 0 }, ptr %a16
+  br i1 %t15, label %then5832, label %endif5834
+then5832:
+  store { ptr, i64, i64 } { ptr @.str.3759, i64 1, i64 0 }, ptr %a16
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic5475, label %ok5476
-panic5475:
-  call void @finch_panic(ptr @.str.3598, i64 2866, ptr @.str.3599)
+  br i1 %t18, label %panic5835, label %ok5836
+panic5835:
+  call void @finch_panic(ptr @.str.3760, i64 3119, ptr @.str.3761)
   unreachable
-ok5476:
-  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 12
+ok5836:
+  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 13
   %t20 = getelementptr inbounds %S.gen.FnSig, ptr %t19, i32 0, i32 12
   %t21 = getelementptr inbounds %S.ast.Type, ptr %t20, i32 0, i32 0
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3600, i64 4, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.3762, i64 4, i64 0 }, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp eq i32 %t25, 0
-  br i1 %t26, label %then5477, label %endif5479
-then5477:
+  br i1 %t26, label %then5837, label %endif5839
+then5837:
   %t27 = load ptr, ptr %a1
   %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic5480, label %ok5481
-panic5480:
-  call void @finch_panic(ptr @.str.3601, i64 2867, ptr @.str.3602)
+  br i1 %t28, label %panic5840, label %ok5841
+panic5840:
+  call void @finch_panic(ptr @.str.3763, i64 3120, ptr @.str.3764)
   unreachable
-ok5481:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 12
+ok5841:
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 13
   %t30 = getelementptr inbounds %S.gen.FnSig, ptr %t29, i32 0, i32 12
   %t31 = load %S.ast.Type, ptr %t30
   %t32 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t31)
   store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3603, i64 1, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.3765, i64 1, i64 0 }, ptr %a35
   call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t36, ptr %a16
-  br label %endif5479
-endif5479:
-  %t37 = load ptr, ptr %a1
-  %t38 = load %S.ast.Node, ptr %a2
-  %t39 = load ptr, ptr %a1
-  %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic5482, label %ok5483
-panic5482:
-  call void @finch_panic(ptr @.str.3605, i64 2869, ptr @.str.3606)
+  store { ptr, i64, i64 } %t32, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  %t38 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t37, ptr %a16
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  br label %endif5839
+endif5839:
+  %t40 = load ptr, ptr %a1
+  %t41 = load %S.ast.Node, ptr %a2
+  %t42 = load ptr, ptr %a1
+  %t43 = icmp eq ptr %t42, null
+  br i1 %t43, label %panic5842, label %ok5843
+panic5842:
+  call void @finch_panic(ptr @.str.3767, i64 3122, ptr @.str.3768)
   unreachable
-ok5483:
-  %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 12
-  %t42 = getelementptr inbounds %S.gen.FnSig, ptr %t41, i32 0, i32 1
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  store { ptr, i64, i64 } { ptr @.str.3604, i64 29, i64 0 }, ptr %a45
-  store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.3607, i64 31, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = load { ptr, i64, i64 }, ptr %a16
-  store { ptr, i64, i64 } %t51, ptr %a54
-  store { ptr, i64, i64 } %t52, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t56, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.3608, i64 55, i64 0 }, ptr %a59
+ok5843:
+  %t44 = getelementptr inbounds %S.gen.Gen, ptr %t42, i32 0, i32 13
+  %t45 = getelementptr inbounds %S.gen.FnSig, ptr %t44, i32 0, i32 1
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  store { ptr, i64, i64 } { ptr @.str.3766, i64 29, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.3769, i64 31, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
   call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
-  %t60 = load { ptr, i64, i64 }, ptr %a57
-  call void @finch.gen.fail(ptr %t37, %S.ast.Node %t38, { ptr, i64, i64 } %t60)
-  br label %endif5474
-endif5474:
-  %t61 = load ptr, ptr %a1
-  %t62 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t63 = load { ptr, i64, i64 }, ptr %t62
-  %t64 = extractvalue { ptr, i64, i64 } %t63, 1
-  %t65 = icmp uge i64 0, %t64
-  br i1 %t65, label %range5484, label %inrange5485
-range5484:
-  call void @finch_panic_index(ptr @.str.3609, i64 2871, i64 0, i64 %t64)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.3770, i64 55, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  call void @finch.gen.fail(ptr %t40, %S.ast.Node %t41, { ptr, i64, i64 } %t66)
+  store { ptr, i64, i64 } %t66, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  call void @finch_str_drop(ptr %a16)
+  br label %endif5834
+endif5834:
+  %t68 = load ptr, ptr %a1
+  %t69 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t70 = load { ptr, i64, i64 }, ptr %t69
+  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
+  %t72 = icmp uge i64 0, %t71
+  br i1 %t72, label %range5844, label %inrange5845
+range5844:
+  call void @finch_panic_index(ptr @.str.3771, i64 3124, i64 0, i64 %t71)
   unreachable
-inrange5485:
-  %t66 = extractvalue { ptr, i64, i64 } %t63, 0
-  %t67 = getelementptr inbounds %S.ast.Node, ptr %t66, i64 0
-  %t68 = load %S.ast.Node, ptr %t67
-  %t69 = call %S.gen.Fallible @finch.gen.fallibleCall(ptr %t61, %S.ast.Node %t68)
-  store %S.gen.Fallible %t69, ptr %a70
-  %t71 = load ptr, ptr %a1
-  %t72 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t71, { ptr, i64, i64 } { ptr @.str.3610, i64 10, i64 0 })
-  store { ptr, i64, i64 } %t72, ptr %a73
-  %t74 = load ptr, ptr %a1
-  %t75 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t74, { ptr, i64, i64 } { ptr @.str.3611, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t75, ptr %a76
-  %t77 = load ptr, ptr %a1
-  %t78 = getelementptr inbounds %S.gen.Fallible, ptr %a70, i32 0, i32 1
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  %t80 = load { ptr, i64, i64 }, ptr %a73
-  %t81 = load { ptr, i64, i64 }, ptr %a76
-  call void @finch.gen.condBr(ptr %t77, { ptr, i64, i64 } %t79, { ptr, i64, i64 } %t80, { ptr, i64, i64 } %t81)
-  %t82 = load ptr, ptr %a1
-  %t83 = load { ptr, i64, i64 }, ptr %a73
-  call void @finch.gen.label(ptr %t82, { ptr, i64, i64 } %t83)
+inrange5845:
+  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
+  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 0
+  %t75 = load %S.ast.Node, ptr %t74
+  %t76 = call %S.gen.Fallible @finch.gen.fallibleCall(ptr %t68, %S.ast.Node %t75)
+  store %S.gen.Fallible %t76, ptr %a77
+  %t78 = load ptr, ptr %a1
+  %t79 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t78, { ptr, i64, i64 } { ptr @.str.3772, i64 10, i64 0 })
+  store { ptr, i64, i64 } %t79, ptr %a80
+  %t81 = load ptr, ptr %a1
+  %t82 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t81, { ptr, i64, i64 } { ptr @.str.3773, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t82, ptr %a83
   %t84 = load ptr, ptr %a1
-  call void @finch.gen.unwind(ptr %t84, i64 0)
-  %t85 = load ptr, ptr %a1
-  %t86 = load ptr, ptr %a1
-  %t87 = load ptr, ptr %a1
-  %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic5486, label %ok5487
-panic5486:
-  call void @finch_panic(ptr @.str.3613, i64 2877, ptr @.str.3614)
+  %t85 = getelementptr inbounds %S.gen.Fallible, ptr %a77, i32 0, i32 1
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  %t87 = load { ptr, i64, i64 }, ptr %a80
+  %t88 = load { ptr, i64, i64 }, ptr %a83
+  call void @finch.gen.condBr(ptr %t84, { ptr, i64, i64 } %t86, { ptr, i64, i64 } %t87, { ptr, i64, i64 } %t88)
+  %t89 = load ptr, ptr %a1
+  %t90 = load { ptr, i64, i64 }, ptr %a80
+  call void @finch.gen.label(ptr %t89, { ptr, i64, i64 } %t90)
+  %t91 = load ptr, ptr %a1
+  call void @finch.gen.dropPending(ptr %t91, i64 0)
+  %t92 = load ptr, ptr %a1
+  call void @finch.gen.unwind(ptr %t92, i64 0)
+  %t93 = load ptr, ptr %a1
+  %t94 = load ptr, ptr %a1
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic5846, label %ok5847
+panic5846:
+  call void @finch_panic(ptr @.str.3775, i64 3131, ptr @.str.3776)
   unreachable
-ok5487:
-  %t89 = getelementptr inbounds %S.gen.Gen, ptr %t87, i32 0, i32 12
-  %t90 = load %S.gen.FnSig, ptr %t89
-  %t91 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t86, %S.gen.FnSig %t90)
-  store { ptr, i64, i64 } { ptr @.str.3612, i64 4, i64 0 }, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.3615, i64 1, i64 0 }, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = load ptr, ptr %a1
-  %t101 = load ptr, ptr %a1
-  %t102 = load ptr, ptr %a1
-  %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic5488, label %ok5489
-panic5488:
-  call void @finch_panic(ptr @.str.3617, i64 2877, ptr @.str.3618)
+ok5847:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 13
+  %t98 = load %S.gen.FnSig, ptr %t97
+  %t99 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t94, %S.gen.FnSig %t98)
+  store { ptr, i64, i64 } { ptr @.str.3774, i64 4, i64 0 }, ptr %a101
+  store { ptr, i64, i64 } %t99, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t99, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.3777, i64 1, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = load ptr, ptr %a1
+  %t111 = load ptr, ptr %a1
+  %t112 = load ptr, ptr %a1
+  %t113 = icmp eq ptr %t112, null
+  br i1 %t113, label %panic5848, label %ok5849
+panic5848:
+  call void @finch_panic(ptr @.str.3779, i64 3131, ptr @.str.3780)
   unreachable
-ok5489:
-  %t104 = getelementptr inbounds %S.gen.Gen, ptr %t102, i32 0, i32 12
-  %t105 = load %S.gen.FnSig, ptr %t104
-  %t106 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t101, %S.gen.FnSig %t105)
-  store { ptr, i64, i64 } { ptr @.str.3616, i64 12, i64 0 }, ptr %a108
-  store { ptr, i64, i64 } %t106, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  store { ptr, i64, i64 } %t110, ptr %a112
-  store { ptr, i64, i64 } { ptr @.str.3619, i64 36, i64 0 }, ptr %a113
-  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
-  %t114 = load { ptr, i64, i64 }, ptr %a111
-  %t115 = getelementptr inbounds %S.gen.Fallible, ptr %a70, i32 0, i32 2
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store { ptr, i64, i64 } %t114, ptr %a118
+ok5849:
+  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 13
+  %t115 = load %S.gen.FnSig, ptr %t114
+  %t116 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t111, %S.gen.FnSig %t115)
+  store { ptr, i64, i64 } { ptr @.str.3778, i64 12, i64 0 }, ptr %a118
   store { ptr, i64, i64 } %t116, ptr %a119
   call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  store { ptr, i64, i64 } %t120, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.3620, i64 3, i64 0 }, ptr %a123
-  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
-  %t124 = load { ptr, i64, i64 }, ptr %a121
-  %t125 = call { ptr, i64, i64 } @finch.gen.op(ptr %t100, { ptr, i64, i64 } %t124)
-  store { ptr, i64, i64 } %t99, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  call void @finch.gen.emit(ptr %t85, { ptr, i64, i64 } %t129)
-  %t130 = load ptr, ptr %a1
-  %t131 = icmp eq ptr %t130, null
-  br i1 %t131, label %panic5490, label %ok5491
-panic5490:
-  call void @finch_panic(ptr @.str.3621, i64 2878, ptr @.str.3622)
+  store { ptr, i64, i64 } %t116, ptr %a120
+  call void @finch_str_drop(ptr %a120)
+  %t121 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t121, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.3781, i64 36, i64 0 }, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  %t127 = getelementptr inbounds %S.gen.Fallible, ptr %a77, i32 0, i32 2
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t126, ptr %a130
+  store { ptr, i64, i64 } %t128, ptr %a131
+  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
+  store { ptr, i64, i64 } %t126, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t133, ptr %a135
+  store { ptr, i64, i64 } { ptr @.str.3782, i64 3, i64 0 }, ptr %a136
+  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
+  store { ptr, i64, i64 } %t133, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  %t138 = load { ptr, i64, i64 }, ptr %a134
+  %t139 = call { ptr, i64, i64 } @finch.gen.op(ptr %t110, { ptr, i64, i64 } %t138)
+  store { ptr, i64, i64 } %t138, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  store { ptr, i64, i64 } %t109, ptr %a142
+  store { ptr, i64, i64 } %t139, ptr %a143
+  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
+  store { ptr, i64, i64 } %t109, ptr %a144
+  call void @finch_str_drop(ptr %a144)
+  store { ptr, i64, i64 } %t139, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a141
+  call void @finch.gen.emit(ptr %t93, { ptr, i64, i64 } %t146)
+  store { ptr, i64, i64 } %t146, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  %t148 = load ptr, ptr %a1
+  %t149 = icmp eq ptr %t148, null
+  br i1 %t149, label %panic5850, label %ok5851
+panic5850:
+  call void @finch_panic(ptr @.str.3783, i64 3132, ptr @.str.3784)
   unreachable
-ok5491:
-  %t132 = getelementptr inbounds %S.gen.Gen, ptr %t130, i32 0, i32 9
-  store i1 true, ptr %t132
-  %t133 = load ptr, ptr %a1
-  %t134 = load { ptr, i64, i64 }, ptr %a76
-  call void @finch.gen.label(ptr %t133, { ptr, i64, i64 } %t134)
-  %t135 = getelementptr inbounds %S.gen.Fallible, ptr %a70, i32 0, i32 0
-  %t136 = load %S.gen.Val, ptr %t135
-  store %S.gen.Val %t136, ptr %a137
-  call void @finch.copy.S_gen_Val(ptr %a138, ptr %a137)
-  %t139 = load %S.gen.Val, ptr %a138
-  ret %S.gen.Val %t139
+ok5851:
+  %t150 = getelementptr inbounds %S.gen.Gen, ptr %t148, i32 0, i32 9
+  store i1 true, ptr %t150
+  %t151 = load ptr, ptr %a1
+  %t152 = load { ptr, i64, i64 }, ptr %a83
+  call void @finch.gen.label(ptr %t151, { ptr, i64, i64 } %t152)
+  %t153 = getelementptr inbounds %S.gen.Fallible, ptr %a77, i32 0, i32 0
+  %t154 = load %S.gen.Val, ptr %t153
+  store %S.gen.Val %t154, ptr %a155
+  call void @finch.copy.S_gen_Val(ptr %a156, ptr %a155)
+  %t157 = load %S.gen.Val, ptr %a156
+  call void @finch_str_drop(ptr %a83)
+  call void @finch_str_drop(ptr %a80)
+  call void @finch.drop.S_gen_Fallible(ptr %a77)
+  ret %S.gen.Val %t157
 }
 
 define internal %S.gen.Val @finch.gen.orElse(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -50428,52 +59744,66 @@ entry:
   %a19 = alloca %S.gen.Val, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca i1, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca %S.gen.Val, align 16
-  %a105 = alloca %S.gen.Val, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca %S.ast.Type, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca i1, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca %S.gen.Val, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca %S.ast.Type, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca %S.gen.Val, align 16
+  %a155 = alloca %S.gen.Val, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a230 = alloca %S.ast.Type, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca %S.ast.Type, align 16
+  %a245 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -50482,11 +59812,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range5492, label %inrange5493
-range5492:
-  call void @finch_panic_index(ptr @.str.3623, i64 2885, i64 0, i64 %t7)
+  br i1 %t8, label %range5852, label %inrange5853
+range5852:
+  call void @finch_panic_index(ptr @.str.3785, i64 3139, i64 0, i64 %t7)
   unreachable
-inrange5493:
+inrange5853:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
@@ -50499,10 +59829,10 @@ inrange5493:
   %t18 = load %S.gen.Val, ptr %a17
   store %S.gen.Val %t18, ptr %a19
   %t20 = load ptr, ptr %a1
-  %t21 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t20, { ptr, i64, i64 } { ptr @.str.3624, i64 9, i64 0 })
+  %t21 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t20, { ptr, i64, i64 } { ptr @.str.3786, i64 9, i64 0 })
   store { ptr, i64, i64 } %t21, ptr %a22
   %t23 = load ptr, ptr %a1
-  %t24 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t23, { ptr, i64, i64 } { ptr @.str.3625, i64 5, i64 0 })
+  %t24 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t23, { ptr, i64, i64 } { ptr @.str.3787, i64 5, i64 0 })
   store { ptr, i64, i64 } %t24, ptr %a25
   %t26 = load ptr, ptr %a1
   %t27 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 1
@@ -50515,299 +59845,347 @@ inrange5493:
   call void @finch.gen.label(ptr %t31, { ptr, i64, i64 } %t32)
   %t33 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 6
   %t34 = load i1, ptr %t33
-  br i1 %t34, label %then5494, label %endif5496
-then5494:
+  br i1 %t34, label %then5854, label %endif5856
+then5854:
   %t35 = load ptr, ptr %a1
   call void @finch.gen.pushScope(ptr %t35)
   %t36 = load ptr, ptr %a1
   %t37 = load %S.ast.Node, ptr %a2
-  %t38 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3627, i64 3, i64 0 })
+  %t38 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3789, i64 3, i64 0 })
   %t39 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 2
   %t40 = load { ptr, i64, i64 }, ptr %t39
-  %t41 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } { ptr @.str.3626, i64 3, i64 0 }, %S.ast.Type %t38, { ptr, i64, i64 } %t40, i1 true)
-  %t42 = load ptr, ptr %a1
-  %t43 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  %t45 = extractvalue { ptr, i64, i64 } %t44, 1
-  %t46 = icmp uge i64 1, %t45
-  br i1 %t46, label %range5497, label %inrange5498
-range5497:
-  call void @finch_panic_index(ptr @.str.3628, i64 2894, i64 1, i64 %t45)
+  %t41 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } { ptr @.str.3788, i64 3, i64 0 }, %S.ast.Type %t38, { ptr, i64, i64 } %t40, i1 true, i1 true)
+  store %S.ast.Type %t38, ptr %a42
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  store { ptr, i64, i64 } %t41, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  %t44 = load ptr, ptr %a1
+  %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = icmp uge i64 1, %t47
+  br i1 %t48, label %range5857, label %inrange5858
+range5857:
+  call void @finch_panic_index(ptr @.str.3790, i64 3148, i64 1, i64 %t47)
   unreachable
-inrange5498:
-  %t47 = extractvalue { ptr, i64, i64 } %t44, 0
-  %t48 = getelementptr inbounds %S.ast.Node, ptr %t47, i64 1
-  %t49 = load %S.ast.Node, ptr %t48
-  call void @finch.gen.block(ptr %t42, %S.ast.Node %t49, i1 true)
-  %t50 = load ptr, ptr %a1
-  %t51 = icmp eq ptr %t50, null
-  br i1 %t51, label %panic5499, label %ok5500
-panic5499:
-  call void @finch_panic(ptr @.str.3629, i64 2895, ptr @.str.3630)
+inrange5858:
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 1
+  %t51 = load %S.ast.Node, ptr %t50
+  call void @finch.gen.block(ptr %t44, %S.ast.Node %t51, i1 true)
+  %t52 = load ptr, ptr %a1
+  %t53 = icmp eq ptr %t52, null
+  br i1 %t53, label %panic5859, label %ok5860
+panic5859:
+  call void @finch_panic(ptr @.str.3791, i64 3149, ptr @.str.3792)
   unreachable
-ok5500:
-  %t52 = getelementptr inbounds %S.gen.Gen, ptr %t50, i32 0, i32 9
-  %t53 = load i1, ptr %t52
-  store i1 %t53, ptr %a54
-  %t55 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t55)
-  %t56 = load i1, ptr %a54
-  %t57 = xor i1 %t56, true
-  br label %logic.from5501
-logic.from5501:
-  br i1 %t57, label %logic.rhs5502, label %logic.end5503
-logic.rhs5502:
-  %t58 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t59 = getelementptr inbounds %S.ast.Type, ptr %t58, i32 0, i32 0
-  %t60 = load { ptr, i64, i64 }, ptr %t59
-  store { ptr, i64, i64 } %t60, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.3631, i64 4, i64 0 }, ptr %a62
-  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
-  %t64 = icmp eq i32 %t63, 0
-  br label %logic.rend5504
-logic.rend5504:
-  br label %logic.end5503
-logic.end5503:
-  %t65 = phi i1 [ false, %logic.from5501 ], [ %t64, %logic.rend5504 ]
-  br label %logic.from5505
-logic.from5505:
-  br i1 %t65, label %logic.rhs5506, label %logic.end5507
-logic.rhs5506:
-  %t66 = load i1, ptr %a3
-  %t67 = xor i1 %t66, true
-  br label %logic.rend5508
-logic.rend5508:
-  br label %logic.end5507
-logic.end5507:
-  %t68 = phi i1 [ false, %logic.from5505 ], [ %t67, %logic.rend5508 ]
-  br i1 %t68, label %then5509, label %endif5511
-then5509:
-  %t69 = load ptr, ptr %a1
-  %t70 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t71 = load { ptr, i64, i64 }, ptr %t70
-  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
-  %t73 = icmp uge i64 1, %t72
-  br i1 %t73, label %range5512, label %inrange5513
-range5512:
-  call void @finch_panic_index(ptr @.str.3632, i64 2898, i64 1, i64 %t72)
+ok5860:
+  %t54 = getelementptr inbounds %S.gen.Gen, ptr %t52, i32 0, i32 9
+  %t55 = load i1, ptr %t54
+  store i1 %t55, ptr %a56
+  %t57 = load ptr, ptr %a1
+  call void @finch.gen.popScope(ptr %t57)
+  %t58 = load i1, ptr %a56
+  %t59 = xor i1 %t58, true
+  br label %logic.from5861
+logic.from5861:
+  br i1 %t59, label %logic.rhs5862, label %logic.end5863
+logic.rhs5862:
+  %t60 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i32 0, i32 0
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.3793, i64 4, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp eq i32 %t65, 0
+  br label %logic.rend5864
+logic.rend5864:
+  br label %logic.end5863
+logic.end5863:
+  %t67 = phi i1 [ false, %logic.from5861 ], [ %t66, %logic.rend5864 ]
+  br label %logic.from5865
+logic.from5865:
+  br i1 %t67, label %logic.rhs5866, label %logic.end5867
+logic.rhs5866:
+  %t68 = load i1, ptr %a3
+  %t69 = xor i1 %t68, true
+  br label %logic.rend5868
+logic.rend5868:
+  br label %logic.end5867
+logic.end5867:
+  %t70 = phi i1 [ false, %logic.from5865 ], [ %t69, %logic.rend5868 ]
+  br i1 %t70, label %then5869, label %endif5871
+then5869:
+  %t71 = load ptr, ptr %a1
+  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 1, %t74
+  br i1 %t75, label %range5872, label %inrange5873
+range5872:
+  call void @finch_panic_index(ptr @.str.3794, i64 3152, i64 1, i64 %t74)
   unreachable
-inrange5513:
-  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
-  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 1
-  %t76 = load %S.ast.Node, ptr %t75
-  call void @finch.gen.fail(ptr %t69, %S.ast.Node %t76, { ptr, i64, i64 } { ptr @.str.3633, i64 142, i64 0 })
-  br label %endif5511
-endif5511:
-  %t77 = load i1, ptr %a3
-  br label %logic.from5514
-logic.from5514:
-  br i1 %t77, label %logic.rhs5515, label %logic.end5516
-logic.rhs5515:
-  %t78 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i32 0, i32 0
-  %t80 = load { ptr, i64, i64 }, ptr %t79
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.3634, i64 4, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp eq i32 %t83, 0
-  br label %logic.rend5517
-logic.rend5517:
-  br label %logic.end5516
-logic.end5516:
-  %t85 = phi i1 [ false, %logic.from5514 ], [ %t84, %logic.rend5517 ]
-  br i1 %t85, label %then5518, label %endif5520
-then5518:
-  %t86 = load ptr, ptr %a1
-  %t87 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t86, { ptr, i64, i64 } { ptr @.str.3635, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t87, ptr %a88
-  %t89 = load ptr, ptr %a1
-  %t90 = load { ptr, i64, i64 }, ptr %a88
-  call void @finch.gen.br(ptr %t89, { ptr, i64, i64 } %t90)
+inrange5873:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %t76, i64 1
+  %t78 = load %S.ast.Node, ptr %t77
+  call void @finch.gen.fail(ptr %t71, %S.ast.Node %t78, { ptr, i64, i64 } { ptr @.str.3795, i64 142, i64 0 })
+  br label %endif5871
+endif5871:
+  %t79 = load i1, ptr %a3
+  br label %logic.from5874
+logic.from5874:
+  br i1 %t79, label %logic.rhs5875, label %logic.end5876
+logic.rhs5875:
+  %t80 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t81 = getelementptr inbounds %S.ast.Type, ptr %t80, i32 0, i32 0
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  store { ptr, i64, i64 } %t82, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.3796, i64 4, i64 0 }, ptr %a84
+  %t85 = call i32 @finch_str_eq(ptr %a83, ptr %a84)
+  %t86 = icmp eq i32 %t85, 0
+  br label %logic.rend5877
+logic.rend5877:
+  br label %logic.end5876
+logic.end5876:
+  %t87 = phi i1 [ false, %logic.from5874 ], [ %t86, %logic.rend5877 ]
+  br i1 %t87, label %then5878, label %endif5880
+then5878:
+  %t88 = load ptr, ptr %a1
+  %t89 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t88, { ptr, i64, i64 } { ptr @.str.3797, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t89, ptr %a90
   %t91 = load ptr, ptr %a1
-  %t92 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.label(ptr %t91, { ptr, i64, i64 } %t92)
+  %t92 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t91, { ptr, i64, i64 } %t92)
   %t93 = load ptr, ptr %a1
-  %t94 = load { ptr, i64, i64 }, ptr %a88
-  call void @finch.gen.br(ptr %t93, { ptr, i64, i64 } %t94)
+  %t94 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.label(ptr %t93, { ptr, i64, i64 } %t94)
   %t95 = load ptr, ptr %a1
-  %t96 = load { ptr, i64, i64 }, ptr %a88
-  call void @finch.gen.label(ptr %t95, { ptr, i64, i64 } %t96)
-  %t97 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3636, i64 4, i64 0 })
-  %t98 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t97, 1
-  ret %S.gen.Val %t98
-endif5520:
+  %t96 = load %S.gen.Val, ptr %a19
+  call void @finch.gen.release(ptr %t95, %S.gen.Val %t96)
+  %t97 = load ptr, ptr %a1
+  %t98 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.br(ptr %t97, { ptr, i64, i64 } %t98)
   %t99 = load ptr, ptr %a1
-  %t100 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.br(ptr %t99, { ptr, i64, i64 } %t100)
-  %t101 = load ptr, ptr %a1
-  %t102 = load { ptr, i64, i64 }, ptr %a25
-  call void @finch.gen.label(ptr %t101, { ptr, i64, i64 } %t102)
-  %t103 = load %S.gen.Val, ptr %a19
-  store %S.gen.Val %t103, ptr %a104
-  call void @finch.copy.S_gen_Val(ptr %a105, ptr %a104)
-  %t106 = load %S.gen.Val, ptr %a105
-  ret %S.gen.Val %t106
-endif5496:
-  %t107 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t108 = getelementptr inbounds %S.ast.Type, ptr %t107, i32 0, i32 0
-  %t109 = load { ptr, i64, i64 }, ptr %t108
-  store { ptr, i64, i64 } %t109, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.3637, i64 4, i64 0 }, ptr %a111
-  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
-  %t113 = icmp ne i32 %t112, 0
-  br i1 %t113, label %then5521, label %endif5523
-then5521:
-  %t114 = load ptr, ptr %a1
-  %t115 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  %t117 = extractvalue { ptr, i64, i64 } %t116, 1
-  %t118 = icmp uge i64 1, %t117
-  br i1 %t118, label %range5524, label %inrange5525
-range5524:
-  call void @finch_panic_index(ptr @.str.3638, i64 2913, i64 1, i64 %t117)
+  %t100 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.gen.label(ptr %t99, { ptr, i64, i64 } %t100)
+  %t101 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3798, i64 4, i64 0 })
+  %t102 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t101, 1
+  call void @finch_str_drop(ptr %a90)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a22)
+  call void @finch.drop.S_gen_Val(ptr %a19)
+  call void @finch.drop.S_gen_Fallible(ptr %a13)
+  ret %S.gen.Val %t102
+endif5880:
+  %t103 = load ptr, ptr %a1
+  %t104 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.br(ptr %t103, { ptr, i64, i64 } %t104)
+  %t105 = load ptr, ptr %a1
+  %t106 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.label(ptr %t105, { ptr, i64, i64 } %t106)
+  %t107 = load %S.gen.Val, ptr %a19
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a22)
+  call void @finch.drop.S_gen_Fallible(ptr %a13)
+  ret %S.gen.Val %t107
+endif5856:
+  %t108 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %t108, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  store { ptr, i64, i64 } { ptr @.str.3799, i64 4, i64 0 }, ptr %a112
+  %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
+  %t114 = icmp ne i32 %t113, 0
+  br i1 %t114, label %then5881, label %endif5883
+then5881:
+  %t115 = load ptr, ptr %a1
+  %t116 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t117 = load { ptr, i64, i64 }, ptr %t116
+  %t118 = extractvalue { ptr, i64, i64 } %t117, 1
+  %t119 = icmp uge i64 1, %t118
+  br i1 %t119, label %range5884, label %inrange5885
+range5884:
+  call void @finch_panic_index(ptr @.str.3800, i64 3168, i64 1, i64 %t118)
   unreachable
-inrange5525:
-  %t119 = extractvalue { ptr, i64, i64 } %t116, 0
-  %t120 = getelementptr inbounds %S.ast.Node, ptr %t119, i64 1
-  %t121 = load %S.ast.Node, ptr %t120
-  call void @finch.gen.fail(ptr %t114, %S.ast.Node %t121, { ptr, i64, i64 } { ptr @.str.3639, i64 98, i64 0 })
-  br label %endif5523
-endif5523:
-  %t122 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t122)
+inrange5885:
+  %t120 = extractvalue { ptr, i64, i64 } %t117, 0
+  %t121 = getelementptr inbounds %S.ast.Node, ptr %t120, i64 1
+  %t122 = load %S.ast.Node, ptr %t121
+  call void @finch.gen.fail(ptr %t115, %S.ast.Node %t122, { ptr, i64, i64 } { ptr @.str.3801, i64 98, i64 0 })
+  br label %endif5883
+endif5883:
   %t123 = load ptr, ptr %a1
-  %t124 = load %S.ast.Node, ptr %a2
-  %t125 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3641, i64 3, i64 0 })
-  %t126 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 2
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  %t128 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t123, %S.ast.Node %t124, { ptr, i64, i64 } { ptr @.str.3640, i64 3, i64 0 }, %S.ast.Type %t125, { ptr, i64, i64 } %t127, i1 true)
-  %t129 = load ptr, ptr %a1
-  %t130 = load ptr, ptr %a1
-  %t131 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t132 = load { ptr, i64, i64 }, ptr %t131
-  %t133 = extractvalue { ptr, i64, i64 } %t132, 1
-  %t134 = icmp uge i64 1, %t133
-  br i1 %t134, label %range5526, label %inrange5527
-range5526:
-  call void @finch_panic_index(ptr @.str.3642, i64 2917, i64 1, i64 %t133)
+  call void @finch.gen.pushScope(ptr %t123)
+  %t124 = load ptr, ptr %a1
+  %t125 = load %S.ast.Node, ptr %a2
+  %t126 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3803, i64 3, i64 0 })
+  %t127 = getelementptr inbounds %S.gen.Fallible, ptr %a13, i32 0, i32 2
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  %t129 = call { ptr, i64, i64 } @finch.gen.addVar(ptr %t124, %S.ast.Node %t125, { ptr, i64, i64 } { ptr @.str.3802, i64 3, i64 0 }, %S.ast.Type %t126, { ptr, i64, i64 } %t128, i1 true, i1 true)
+  store %S.ast.Type %t126, ptr %a130
+  call void @finch.drop.S_ast_Type(ptr %a130)
+  store { ptr, i64, i64 } %t129, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load ptr, ptr %a1
+  %t133 = load ptr, ptr %a1
+  %t134 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  %t136 = extractvalue { ptr, i64, i64 } %t135, 1
+  %t137 = icmp uge i64 1, %t136
+  br i1 %t137, label %range5886, label %inrange5887
+range5886:
+  call void @finch_panic_index(ptr @.str.3804, i64 3172, i64 1, i64 %t136)
   unreachable
-inrange5527:
-  %t135 = extractvalue { ptr, i64, i64 } %t132, 0
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %t135, i64 1
-  %t137 = load %S.ast.Node, ptr %t136
-  %t138 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t139 = load %S.ast.Type, ptr %t138
-  %t140 = call %S.gen.Val @finch.gen.exprWant(ptr %t130, %S.ast.Node %t137, %S.ast.Type %t139)
+inrange5887:
+  %t138 = extractvalue { ptr, i64, i64 } %t135, 0
+  %t139 = getelementptr inbounds %S.ast.Node, ptr %t138, i64 1
+  %t140 = load %S.ast.Node, ptr %t139
   %t141 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
   %t142 = load %S.ast.Type, ptr %t141
-  %t143 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
-  %t146 = icmp uge i64 1, %t145
-  br i1 %t146, label %range5528, label %inrange5529
-range5528:
-  call void @finch_panic_index(ptr @.str.3643, i64 2917, i64 1, i64 %t145)
+  %t143 = call %S.gen.Val @finch.gen.exprWant(ptr %t133, %S.ast.Node %t140, %S.ast.Type %t142)
+  %t144 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t145 = load %S.ast.Type, ptr %t144
+  %t146 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t147 = load { ptr, i64, i64 }, ptr %t146
+  %t148 = extractvalue { ptr, i64, i64 } %t147, 1
+  %t149 = icmp uge i64 1, %t148
+  br i1 %t149, label %range5888, label %inrange5889
+range5888:
+  call void @finch_panic_index(ptr @.str.3805, i64 3172, i64 1, i64 %t148)
   unreachable
-inrange5529:
-  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
-  %t148 = getelementptr inbounds %S.ast.Node, ptr %t147, i64 1
-  %t149 = load %S.ast.Node, ptr %t148
-  %t150 = call %S.gen.Val @finch.gen.coerce(ptr %t129, %S.gen.Val %t140, %S.ast.Type %t142, %S.ast.Node %t149, { ptr, i64, i64 } { ptr @.str.3644, i64 20, i64 0 })
-  store %S.gen.Val %t150, ptr %a151
-  %t152 = load ptr, ptr %a1
-  %t153 = load %S.gen.Val, ptr %a151
-  %t154 = call { ptr, i64, i64 } @finch.gen.own(ptr %t152, %S.gen.Val %t153)
-  store { ptr, i64, i64 } %t154, ptr %a155
+inrange5889:
+  %t150 = extractvalue { ptr, i64, i64 } %t147, 0
+  %t151 = getelementptr inbounds %S.ast.Node, ptr %t150, i64 1
+  %t152 = load %S.ast.Node, ptr %t151
+  %t153 = call %S.gen.Val @finch.gen.coerce(ptr %t132, %S.gen.Val %t143, %S.ast.Type %t145, %S.ast.Node %t152, { ptr, i64, i64 } { ptr @.str.3806, i64 20, i64 0 })
+  store %S.gen.Val %t143, ptr %a154
+  call void @finch.drop.S_gen_Val(ptr %a154)
+  store %S.gen.Val %t153, ptr %a155
   %t156 = load ptr, ptr %a1
-  call void @finch.gen.popScope(ptr %t156)
-  %t157 = load ptr, ptr %a1
-  %t158 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t157, { ptr, i64, i64 } { ptr @.str.3645, i64 7, i64 0 })
+  %t157 = load %S.gen.Val, ptr %a155
+  %t158 = call { ptr, i64, i64 } @finch.gen.own(ptr %t156, %S.gen.Val %t157)
   store { ptr, i64, i64 } %t158, ptr %a159
   %t160 = load ptr, ptr %a1
-  %t161 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t160, { ptr, i64, i64 } { ptr @.str.3646, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t161, ptr %a162
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a159
-  call void @finch.gen.br(ptr %t163, { ptr, i64, i64 } %t164)
-  %t165 = load ptr, ptr %a1
-  %t166 = load { ptr, i64, i64 }, ptr %a159
-  call void @finch.gen.label(ptr %t165, { ptr, i64, i64 } %t166)
+  call void @finch.gen.popScope(ptr %t160)
+  %t161 = load ptr, ptr %a1
+  %t162 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t161, { ptr, i64, i64 } { ptr @.str.3807, i64 7, i64 0 })
+  store { ptr, i64, i64 } %t162, ptr %a163
+  %t164 = load ptr, ptr %a1
+  %t165 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t164, { ptr, i64, i64 } { ptr @.str.3808, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t165, ptr %a166
   %t167 = load ptr, ptr %a1
-  %t168 = load { ptr, i64, i64 }, ptr %a162
+  %t168 = load { ptr, i64, i64 }, ptr %a163
   call void @finch.gen.br(ptr %t167, { ptr, i64, i64 } %t168)
   %t169 = load ptr, ptr %a1
-  %t170 = load { ptr, i64, i64 }, ptr %a25
+  %t170 = load { ptr, i64, i64 }, ptr %a163
   call void @finch.gen.label(ptr %t169, { ptr, i64, i64 } %t170)
   %t171 = load ptr, ptr %a1
-  %t172 = load { ptr, i64, i64 }, ptr %a162
+  %t172 = load { ptr, i64, i64 }, ptr %a166
   call void @finch.gen.br(ptr %t171, { ptr, i64, i64 } %t172)
   %t173 = load ptr, ptr %a1
-  %t174 = load { ptr, i64, i64 }, ptr %a162
+  %t174 = load { ptr, i64, i64 }, ptr %a25
   call void @finch.gen.label(ptr %t173, { ptr, i64, i64 } %t174)
   %t175 = load ptr, ptr %a1
-  %t176 = load ptr, ptr %a1
-  %t177 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t178 = load %S.ast.Type, ptr %t177
-  %t179 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t176, %S.ast.Type %t178)
-  store { ptr, i64, i64 } { ptr @.str.3647, i64 4, i64 0 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.3648, i64 3, i64 0 }, ptr %a186
+  %t176 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.br(ptr %t175, { ptr, i64, i64 } %t176)
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a166
+  call void @finch.gen.label(ptr %t177, { ptr, i64, i64 } %t178)
+  %t179 = load ptr, ptr %a1
+  %t180 = load ptr, ptr %a1
+  %t181 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t182 = load %S.ast.Type, ptr %t181
+  %t183 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t180, %S.ast.Type %t182)
+  store { ptr, i64, i64 } { ptr @.str.3809, i64 4, i64 0 }, ptr %a185
+  store { ptr, i64, i64 } %t183, ptr %a186
   call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  %t188 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t187, ptr %a190
-  store { ptr, i64, i64 } %t188, ptr %a191
+  store { ptr, i64, i64 } %t183, ptr %a187
+  call void @finch_str_drop(ptr %a187)
+  %t188 = load { ptr, i64, i64 }, ptr %a184
+  store { ptr, i64, i64 } %t188, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.3810, i64 3, i64 0 }, ptr %a191
   call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.3649, i64 3, i64 0 }, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load { ptr, i64, i64 }, ptr %a159
-  store { ptr, i64, i64 } %t196, ptr %a199
-  store { ptr, i64, i64 } %t197, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t201, ptr %a203
-  store { ptr, i64, i64 } { ptr @.str.3650, i64 6, i64 0 }, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 0
-  %t207 = load { ptr, i64, i64 }, ptr %t206
-  store { ptr, i64, i64 } %t205, ptr %a209
-  store { ptr, i64, i64 } %t207, ptr %a210
-  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
-  %t211 = load { ptr, i64, i64 }, ptr %a208
-  store { ptr, i64, i64 } %t211, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.3651, i64 3, i64 0 }, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  %t216 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t215, ptr %a218
-  store { ptr, i64, i64 } %t216, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  store { ptr, i64, i64 } %t220, ptr %a222
-  store { ptr, i64, i64 } { ptr @.str.3652, i64 2, i64 0 }, ptr %a223
-  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
-  %t224 = load { ptr, i64, i64 }, ptr %a221
-  %t225 = call { ptr, i64, i64 } @finch.gen.op(ptr %t175, { ptr, i64, i64 } %t224)
-  %t226 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t225, 0
-  %t227 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t228 = load %S.ast.Type, ptr %t227
-  store %S.ast.Type %t228, ptr %a229
-  call void @finch.copy.S_ast_Type(ptr %a230, ptr %a229)
-  %t231 = load %S.ast.Type, ptr %a230
-  %t232 = insertvalue %S.gen.Val %t226, %S.ast.Type %t231, 1
-  %t233 = load ptr, ptr %a1
-  %t234 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
-  %t235 = load %S.ast.Type, ptr %t234
-  %t236 = call i1 @finch.gen.owning(ptr %t233, %S.ast.Type %t235)
-  %t237 = insertvalue %S.gen.Val %t232, i1 %t236, 2
-  ret %S.gen.Val %t237
+  store { ptr, i64, i64 } %t188, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  %t194 = load { ptr, i64, i64 }, ptr %a159
+  store { ptr, i64, i64 } %t193, ptr %a196
+  store { ptr, i64, i64 } %t194, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t193, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  %t199 = load { ptr, i64, i64 }, ptr %a195
+  store { ptr, i64, i64 } %t199, ptr %a201
+  store { ptr, i64, i64 } { ptr @.str.3811, i64 3, i64 0 }, ptr %a202
+  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
+  store { ptr, i64, i64 } %t199, ptr %a203
+  call void @finch_str_drop(ptr %a203)
+  %t204 = load { ptr, i64, i64 }, ptr %a200
+  %t205 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t204, ptr %a207
+  store { ptr, i64, i64 } %t205, ptr %a208
+  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
+  store { ptr, i64, i64 } %t204, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t210, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.3812, i64 6, i64 0 }, ptr %a213
+  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
+  store { ptr, i64, i64 } %t210, ptr %a214
+  call void @finch_str_drop(ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a211
+  %t216 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 0
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } %t215, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t215, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t222, ptr %a224
+  store { ptr, i64, i64 } { ptr @.str.3813, i64 3, i64 0 }, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t222, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t227, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  store { ptr, i64, i64 } %t227, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.3814, i64 2, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  %t239 = call { ptr, i64, i64 } @finch.gen.op(ptr %t179, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t238, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t239, 0
+  %t242 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t243 = load %S.ast.Type, ptr %t242
+  store %S.ast.Type %t243, ptr %a244
+  call void @finch.copy.S_ast_Type(ptr %a245, ptr %a244)
+  %t246 = load %S.ast.Type, ptr %a245
+  %t247 = insertvalue %S.gen.Val %t241, %S.ast.Type %t246, 1
+  %t248 = load ptr, ptr %a1
+  %t249 = getelementptr inbounds %S.gen.Val, ptr %a19, i32 0, i32 1
+  %t250 = load %S.ast.Type, ptr %t249
+  %t251 = call i1 @finch.gen.owning(ptr %t248, %S.ast.Type %t250)
+  %t252 = insertvalue %S.gen.Val %t247, i1 %t251, 2
+  call void @finch_str_drop(ptr %a166)
+  call void @finch_str_drop(ptr %a163)
+  call void @finch_str_drop(ptr %a159)
+  call void @finch.drop.S_gen_Val(ptr %a155)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a22)
+  call void @finch.drop.S_gen_Val(ptr %a19)
+  call void @finch.drop.S_gen_Fallible(ptr %a13)
+  ret %S.gen.Val %t252
 }
 
 define internal %S.gen.Val @finch.gen.exprWant(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -50825,31 +60203,31 @@ entry:
   %t4 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.3653, i64 5, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.3815, i64 5, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then5530, label %endif5532
-then5530:
+  br i1 %t9, label %then5890, label %endif5892
+then5890:
   %t10 = load ptr, ptr %a1
   %t11 = load %S.ast.Node, ptr %a2
   %t12 = load %S.ast.Type, ptr %a3
   %t13 = call %S.gen.Val @finch.gen.arrayLit(ptr %t10, %S.ast.Node %t11, %S.ast.Type %t12)
   ret %S.gen.Val %t13
-endif5532:
+endif5892:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3654, i64 3, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.3816, i64 3, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %then5533, label %endif5535
-then5533:
+  br i1 %t19, label %then5893, label %endif5895
+then5893:
   %t20 = load ptr, ptr %a1
   %t21 = load %S.ast.Node, ptr %a2
   %t22 = load %S.ast.Type, ptr %a3
   %t23 = call %S.gen.Val @finch.gen.mapLit(ptr %t20, %S.ast.Node %t21, %S.ast.Type %t22)
   ret %S.gen.Val %t23
-endif5535:
+endif5895:
   %t24 = load ptr, ptr %a1
   %t25 = load %S.ast.Node, ptr %a2
   %t26 = call %S.gen.Val @finch.gen.expr(ptr %t24, %S.ast.Node %t25)
@@ -50906,29 +60284,33 @@ entry:
   %a180 = alloca %S.gen.Ref, align 16
   %a186 = alloca %S.gen.Val, align 16
   %a187 = alloca %S.gen.Val, align 16
-  %a203 = alloca %S.ast.Type, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca %S.ast.Type, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca %S.ast.Type, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
   %a241 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca %S.ast.Type, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca %S.ast.Type, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
@@ -50939,34 +60321,34 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.3655, i64 3, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.3817, i64 3, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br i1 %t13, label %then5536, label %endif5538
-then5536:
+  br i1 %t13, label %then5896, label %endif5898
+then5896:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.3657, i64 2, i64 0 }, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.3819, i64 2, i64 0 }, ptr %a18
   %t19 = call i32 @finch_str_starts(ptr %a16, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br label %logic.from5539
-logic.from5539:
-  br i1 %t20, label %logic.end5541, label %logic.rhs5540
-logic.rhs5540:
+  br label %logic.from5899
+logic.from5899:
+  br i1 %t20, label %logic.end5901, label %logic.rhs5900
+logic.rhs5900:
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.3659, i64 2, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.3821, i64 2, i64 0 }, ptr %a25
   %t26 = call i32 @finch_str_starts(ptr %a23, ptr %a25)
   %t27 = icmp ne i32 %t26, 0
-  br label %logic.rend5542
-logic.rend5542:
-  br label %logic.end5541
-logic.end5541:
-  %t28 = phi i1 [ true, %logic.from5539 ], [ %t27, %logic.rend5542 ]
-  br i1 %t28, label %then5543, label %endif5545
-then5543:
+  br label %logic.rend5902
+logic.rend5902:
+  br label %logic.end5901
+logic.end5901:
+  %t28 = phi i1 [ true, %logic.from5899 ], [ %t27, %logic.rend5902 ]
+  br i1 %t28, label %then5903, label %endif5905
+then5903:
   store i64 0, ptr %a29
   %t30 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t31 = load { ptr, i64, i64 }, ptr %t30
@@ -50974,18 +60356,18 @@ then5543:
   %t34 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
   %t36 = load i64, ptr %t35
-  call void @finch_str_sub(ptr %a33, ptr %a32, i64 2, i64 %t36, ptr @.str.3660, i64 2946)
+  call void @finch_str_sub(ptr %a33, ptr %a32, i64 2, i64 %t36, ptr @.str.3822, i64 3201)
   %t37 = load { ptr, i64, i64 }, ptr %a33
   store { ptr, i64, i64 } %t37, ptr %a38
   store i64 0, ptr %a39
-  br label %each.cond5546
-each.cond5546:
+  br label %each.cond5906
+each.cond5906:
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %a38, i32 0, i32 1
   %t41 = load i64, ptr %t40
   %t42 = load i64, ptr %a39
   %t43 = icmp slt i64 %t42, %t41
-  br i1 %t43, label %each.body5547, label %each.end5549
-each.body5547:
+  br i1 %t43, label %each.body5907, label %each.end5909
+each.body5907:
   %t44 = load ptr, ptr %a38
   %t45 = getelementptr inbounds i8, ptr %t44, i64 %t42
   %t46 = load i8, ptr %t45
@@ -50997,134 +60379,139 @@ each.body5547:
   store i64 %t51, ptr %a52
   %t53 = load i8, ptr %a47
   %t54 = icmp uge i8 %t53, 97
-  br label %logic.from5550
-logic.from5550:
-  br i1 %t54, label %logic.rhs5551, label %logic.end5552
-logic.rhs5551:
+  br label %logic.from5910
+logic.from5910:
+  br i1 %t54, label %logic.rhs5911, label %logic.end5912
+logic.rhs5911:
   %t55 = load i8, ptr %a47
   %t56 = icmp ule i8 %t55, 102
-  br label %logic.rend5553
-logic.rend5553:
-  br label %logic.end5552
-logic.end5552:
-  %t57 = phi i1 [ false, %logic.from5550 ], [ %t56, %logic.rend5553 ]
-  br i1 %t57, label %then5554, label %endif5556
-then5554:
+  br label %logic.rend5913
+logic.rend5913:
+  br label %logic.end5912
+logic.end5912:
+  %t57 = phi i1 [ false, %logic.from5910 ], [ %t56, %logic.rend5913 ]
+  br i1 %t57, label %then5914, label %endif5916
+then5914:
   %t58 = load i8, ptr %a47
   %t59 = zext i8 %t58 to i64
   %t60 = zext i8 97 to i64
   %t61 = sub i64 %t59, %t60
   %t62 = add i64 %t61, 10
   store i64 %t62, ptr %a52
-  br label %endif5556
-endif5556:
+  br label %endif5916
+endif5916:
   %t63 = load i8, ptr %a47
   %t64 = icmp uge i8 %t63, 65
-  br label %logic.from5557
-logic.from5557:
-  br i1 %t64, label %logic.rhs5558, label %logic.end5559
-logic.rhs5558:
+  br label %logic.from5917
+logic.from5917:
+  br i1 %t64, label %logic.rhs5918, label %logic.end5919
+logic.rhs5918:
   %t65 = load i8, ptr %a47
   %t66 = icmp ule i8 %t65, 70
-  br label %logic.rend5560
-logic.rend5560:
-  br label %logic.end5559
-logic.end5559:
-  %t67 = phi i1 [ false, %logic.from5557 ], [ %t66, %logic.rend5560 ]
-  br i1 %t67, label %then5561, label %endif5563
-then5561:
+  br label %logic.rend5920
+logic.rend5920:
+  br label %logic.end5919
+logic.end5919:
+  %t67 = phi i1 [ false, %logic.from5917 ], [ %t66, %logic.rend5920 ]
+  br i1 %t67, label %then5921, label %endif5923
+then5921:
   %t68 = load i8, ptr %a47
   %t69 = zext i8 %t68 to i64
   %t70 = zext i8 65 to i64
   %t71 = sub i64 %t69, %t70
   %t72 = add i64 %t71, 10
   store i64 %t72, ptr %a52
-  br label %endif5563
-endif5563:
+  br label %endif5923
+endif5923:
   %t73 = load i64, ptr %a29
   %t74 = mul i64 %t73, 16
   %t75 = load i64, ptr %a52
   %t76 = add i64 %t74, %t75
   store i64 %t76, ptr %a29
-  br label %each.step5548
-each.step5548:
+  br label %each.step5908
+each.step5908:
   %t77 = load i64, ptr %a39
   %t78 = add i64 %t77, 1
   store i64 %t78, ptr %a39
-  br label %each.cond5546
-each.end5549:
+  br label %each.cond5906
+each.end5909:
+  call void @finch_str_drop(ptr %a38)
   %t79 = load i64, ptr %a29
   call void @finch_str_from_int(ptr %a80, i64 %t79)
   %t81 = load { ptr, i64, i64 }, ptr %a80
   %t82 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t81, 0
-  %t83 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3661, i64 3, i64 0 })
+  %t83 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3823, i64 3, i64 0 })
   %t84 = insertvalue %S.gen.Val %t82, %S.ast.Type %t83, 1
   %t85 = insertvalue %S.gen.Val %t84, i1 true, 3
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t85
-endif5545:
+endif5905:
   %t86 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t87 = load { ptr, i64, i64 }, ptr %t86
   store { ptr, i64, i64 } %t87, ptr %a88
-  %t89 = call i64 @finch_str_to_int(ptr %a88, ptr @.str.3662, i64 2958)
+  %t89 = call i64 @finch_str_to_int(ptr %a88, ptr @.str.3824, i64 3213)
   call void @finch_str_from_int(ptr %a90, i64 %t89)
   %t91 = load { ptr, i64, i64 }, ptr %a90
   %t92 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t91, 0
-  %t93 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3663, i64 3, i64 0 })
+  %t93 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3825, i64 3, i64 0 })
   %t94 = insertvalue %S.gen.Val %t92, %S.ast.Type %t93, 1
   %t95 = insertvalue %S.gen.Val %t94, i1 true, 3
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t95
-endif5538:
+endif5898:
   %t96 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t96, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.3664, i64 5, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.3826, i64 5, i64 0 }, ptr %a98
   %t99 = call i32 @finch_str_eq(ptr %a97, ptr %a98)
   %t100 = icmp ne i32 %t99, 0
-  br i1 %t100, label %then5564, label %endif5566
-then5564:
+  br i1 %t100, label %then5924, label %endif5926
+then5924:
   %t101 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t102 = load { ptr, i64, i64 }, ptr %t101
   store { ptr, i64, i64 } %t102, ptr %a103
   call void @finch_str_copy(ptr %a104, ptr %a103)
   %t105 = load { ptr, i64, i64 }, ptr %a104
   %t106 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t105, 0
-  %t107 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3665, i64 5, i64 0 })
+  %t107 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3827, i64 5, i64 0 })
   %t108 = insertvalue %S.gen.Val %t106, %S.ast.Type %t107, 1
   %t109 = insertvalue %S.gen.Val %t108, i1 true, 3
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t109
-endif5566:
+endif5926:
   %t110 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t110, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.3666, i64 4, i64 0 }, ptr %a112
+  store { ptr, i64, i64 } { ptr @.str.3828, i64 4, i64 0 }, ptr %a112
   %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
   %t114 = icmp ne i32 %t113, 0
-  br i1 %t114, label %then5567, label %endif5569
-then5567:
+  br i1 %t114, label %then5927, label %endif5929
+then5927:
   %t115 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t116 = load { ptr, i64, i64 }, ptr %t115
   store { ptr, i64, i64 } %t116, ptr %a117
   call void @finch_str_copy(ptr %a118, ptr %a117)
   %t119 = load { ptr, i64, i64 }, ptr %a118
   %t120 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t119, 0
-  %t121 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3667, i64 4, i64 0 })
+  %t121 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3829, i64 4, i64 0 })
   %t122 = insertvalue %S.gen.Val %t120, %S.ast.Type %t121, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t122
-endif5569:
+endif5929:
   %t123 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t123, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.3668, i64 4, i64 0 }, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.3830, i64 4, i64 0 }, ptr %a125
   %t126 = call i32 @finch_str_eq(ptr %a124, ptr %a125)
   %t127 = icmp ne i32 %t126, 0
-  br i1 %t127, label %then5570, label %endif5572
-then5570:
+  br i1 %t127, label %then5930, label %endif5932
+then5930:
   %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t129 = load { ptr, i64, i64 }, ptr %t128
   %t130 = extractvalue { ptr, i64, i64 } %t129, 1
   %t131 = icmp uge i64 0, %t130
-  br i1 %t131, label %range5573, label %inrange5574
-range5573:
-  call void @finch_panic_index(ptr @.str.3669, i64 2967, i64 0, i64 %t130)
+  br i1 %t131, label %range5933, label %inrange5934
+range5933:
+  call void @finch_panic_index(ptr @.str.3831, i64 3222, i64 0, i64 %t130)
   unreachable
-inrange5574:
+inrange5934:
   %t132 = extractvalue { ptr, i64, i64 } %t129, 0
   %t133 = getelementptr inbounds i8, ptr %t132, i64 0
   %t134 = load i8, ptr %t133
@@ -51134,70 +60521,73 @@ inrange5574:
   call void @finch_str_from_int(ptr %a138, i64 %t137)
   %t139 = load { ptr, i64, i64 }, ptr %a138
   %t140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
-  %t141 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3670, i64 4, i64 0 })
+  %t141 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3832, i64 4, i64 0 })
   %t142 = insertvalue %S.gen.Val %t140, %S.ast.Type %t141, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t142
-endif5572:
+endif5932:
   %t143 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t143, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.3671, i64 3, i64 0 }, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.3833, i64 3, i64 0 }, ptr %a145
   %t146 = call i32 @finch_str_eq(ptr %a144, ptr %a145)
   %t147 = icmp ne i32 %t146, 0
-  br i1 %t147, label %then5575, label %endif5577
-then5575:
+  br i1 %t147, label %then5935, label %endif5937
+then5935:
   %t148 = load ptr, ptr %a1
   %t149 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 4
   %t150 = load { ptr, i64, i64 }, ptr %t149
   %t151 = call %S.gen.Val @finch.gen.strConst(ptr %t148, { ptr, i64, i64 } %t150)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t151
-endif5577:
+endif5937:
   %t152 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.3672, i64 4, i64 0 }, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.3834, i64 4, i64 0 }, ptr %a154
   %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
   %t156 = icmp ne i32 %t155, 0
-  br i1 %t156, label %then5578, label %endif5580
-then5578:
-  %t157 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.3673, i64 4, i64 0 }, 0
-  %t158 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3674, i64 4, i64 0 })
+  br i1 %t156, label %then5938, label %endif5940
+then5938:
+  %t157 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } { ptr @.str.3835, i64 4, i64 0 }, 0
+  %t158 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3836, i64 4, i64 0 })
   %t159 = insertvalue %S.gen.Val %t157, %S.ast.Type %t158, 1
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t159
-endif5580:
+endif5940:
   %t160 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t160, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.3675, i64 3, i64 0 }, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.3837, i64 3, i64 0 }, ptr %a162
   %t163 = call i32 @finch_str_eq(ptr %a161, ptr %a162)
   %t164 = icmp ne i32 %t163, 0
-  br label %logic.from5581
-logic.from5581:
-  br i1 %t164, label %logic.end5583, label %logic.rhs5582
-logic.rhs5582:
+  br label %logic.from5941
+logic.from5941:
+  br i1 %t164, label %logic.end5943, label %logic.rhs5942
+logic.rhs5942:
   %t165 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t165, ptr %a166
-  store { ptr, i64, i64 } { ptr @.str.3676, i64 6, i64 0 }, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.3838, i64 6, i64 0 }, ptr %a167
   %t168 = call i32 @finch_str_eq(ptr %a166, ptr %a167)
   %t169 = icmp ne i32 %t168, 0
-  br label %logic.rend5584
-logic.rend5584:
-  br label %logic.end5583
-logic.end5583:
-  %t170 = phi i1 [ true, %logic.from5581 ], [ %t169, %logic.rend5584 ]
-  br label %logic.from5585
-logic.from5585:
-  br i1 %t170, label %logic.end5587, label %logic.rhs5586
-logic.rhs5586:
+  br label %logic.rend5944
+logic.rend5944:
+  br label %logic.end5943
+logic.end5943:
+  %t170 = phi i1 [ true, %logic.from5941 ], [ %t169, %logic.rend5944 ]
+  br label %logic.from5945
+logic.from5945:
+  br i1 %t170, label %logic.end5947, label %logic.rhs5946
+logic.rhs5946:
   %t171 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t171, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.3677, i64 5, i64 0 }, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.3839, i64 5, i64 0 }, ptr %a173
   %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
   %t175 = icmp ne i32 %t174, 0
-  br label %logic.rend5588
-logic.rend5588:
-  br label %logic.end5587
-logic.end5587:
-  %t176 = phi i1 [ true, %logic.from5585 ], [ %t175, %logic.rend5588 ]
-  br i1 %t176, label %then5589, label %endif5591
-then5589:
+  br label %logic.rend5948
+logic.rend5948:
+  br label %logic.end5947
+logic.end5947:
+  %t176 = phi i1 [ true, %logic.from5945 ], [ %t175, %logic.rend5948 ]
+  br i1 %t176, label %then5949, label %endif5951
+then5949:
   %t177 = load ptr, ptr %a1
   %t178 = load %S.ast.Node, ptr %a2
   %t179 = call %S.gen.Ref @finch.gen.ref(ptr %t177, %S.ast.Node %t178, i1 false)
@@ -51205,15 +60595,17 @@ then5589:
   %t181 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 0
   %t182 = load i1, ptr %t181
   %t183 = xor i1 %t182, true
-  br i1 %t183, label %then5592, label %endif5594
-then5592:
+  br i1 %t183, label %then5952, label %endif5954
+then5952:
   %t184 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 2
   %t185 = load %S.gen.Val, ptr %t184
   store %S.gen.Val %t185, ptr %a186
   call void @finch.copy.S_gen_Val(ptr %a187, ptr %a186)
   %t188 = load %S.gen.Val, ptr %a187
+  call void @finch.drop.S_gen_Ref(ptr %a180)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val %t188
-endif5594:
+endif5954:
   %t189 = load ptr, ptr %a1
   %t190 = load ptr, ptr %a1
   %t191 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 1
@@ -51224,134 +60616,154 @@ endif5594:
   %t196 = getelementptr inbounds %S.gen.Place, ptr %t195, i32 0, i32 0
   %t197 = load { ptr, i64, i64 }, ptr %t196
   %t198 = call { ptr, i64, i64 } @finch.gen.load(ptr %t189, { ptr, i64, i64 } %t194, { ptr, i64, i64 } %t197)
-  %t199 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t198, 0
-  %t200 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 1
-  %t201 = getelementptr inbounds %S.gen.Place, ptr %t200, i32 0, i32 1
-  %t202 = load %S.ast.Type, ptr %t201
-  store %S.ast.Type %t202, ptr %a203
-  call void @finch.copy.S_ast_Type(ptr %a204, ptr %a203)
-  %t205 = load %S.ast.Type, ptr %a204
-  %t206 = insertvalue %S.gen.Val %t199, %S.ast.Type %t205, 1
-  ret %S.gen.Val %t206
-endif5591:
-  %t207 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t207, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.3678, i64 5, i64 0 }, ptr %a209
-  %t210 = call i32 @finch_str_eq(ptr %a208, ptr %a209)
-  %t211 = icmp ne i32 %t210, 0
-  br i1 %t211, label %then5595, label %endif5597
-then5595:
-  %t212 = load ptr, ptr %a1
-  %t213 = load %S.ast.Node, ptr %a2
-  %t214 = call %S.gen.Val @finch.gen.matchGen(ptr %t212, %S.ast.Node %t213, i1 true)
-  ret %S.gen.Val %t214
-endif5597:
-  %t215 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t215, ptr %a216
-  store { ptr, i64, i64 } { ptr @.str.3679, i64 3, i64 0 }, ptr %a217
-  %t218 = call i32 @finch_str_eq(ptr %a216, ptr %a217)
-  %t219 = icmp ne i32 %t218, 0
-  br i1 %t219, label %then5598, label %endif5600
-then5598:
-  %t220 = load ptr, ptr %a1
-  %t221 = load %S.ast.Node, ptr %a2
-  %t222 = call %S.gen.Val @finch.gen.tryExpr(ptr %t220, %S.ast.Node %t221)
-  ret %S.gen.Val %t222
-endif5600:
-  %t223 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t223, ptr %a224
-  store { ptr, i64, i64 } { ptr @.str.3680, i64 2, i64 0 }, ptr %a225
-  %t226 = call i32 @finch_str_eq(ptr %a224, ptr %a225)
-  %t227 = icmp ne i32 %t226, 0
-  br i1 %t227, label %then5601, label %endif5603
-then5601:
-  %t228 = load ptr, ptr %a1
-  %t229 = load %S.ast.Node, ptr %a2
-  %t230 = call %S.gen.Val @finch.gen.orElse(ptr %t228, %S.ast.Node %t229, i1 false)
-  ret %S.gen.Val %t230
-endif5603:
-  %t231 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t231, ptr %a232
-  store { ptr, i64, i64 } { ptr @.str.3681, i64 5, i64 0 }, ptr %a233
-  %t234 = call i32 @finch_str_eq(ptr %a232, ptr %a233)
-  %t235 = icmp ne i32 %t234, 0
-  br i1 %t235, label %then5604, label %endif5606
-then5604:
-  %t236 = load ptr, ptr %a1
-  %t237 = load %S.ast.Node, ptr %a2
-  %t238 = call %S.gen.Val @finch.gen.unary(ptr %t236, %S.ast.Node %t237)
-  ret %S.gen.Val %t238
-endif5606:
-  %t239 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t239, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.3682, i64 6, i64 0 }, ptr %a241
-  %t242 = call i32 @finch_str_eq(ptr %a240, ptr %a241)
-  %t243 = icmp ne i32 %t242, 0
-  br i1 %t243, label %then5607, label %endif5609
-then5607:
-  %t244 = load ptr, ptr %a1
-  %t245 = load %S.ast.Node, ptr %a2
-  %t246 = call %S.gen.Val @finch.gen.binary(ptr %t244, %S.ast.Node %t245)
-  ret %S.gen.Val %t246
-endif5609:
-  %t247 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t247, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.3683, i64 4, i64 0 }, ptr %a249
-  %t250 = call i32 @finch_str_eq(ptr %a248, ptr %a249)
-  %t251 = icmp ne i32 %t250, 0
-  br i1 %t251, label %then5610, label %endif5612
-then5610:
-  %t252 = load ptr, ptr %a1
-  %t253 = load %S.ast.Node, ptr %a2
-  %t254 = call %S.gen.Val @finch.gen.call(ptr %t252, %S.ast.Node %t253)
-  ret %S.gen.Val %t254
-endif5612:
-  %t255 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t255, ptr %a256
-  store { ptr, i64, i64 } { ptr @.str.3684, i64 6, i64 0 }, ptr %a257
-  %t258 = call i32 @finch_str_eq(ptr %a256, ptr %a257)
-  %t259 = icmp ne i32 %t258, 0
-  br i1 %t259, label %then5613, label %endif5615
-then5613:
-  %t260 = load ptr, ptr %a1
-  %t261 = load %S.ast.Node, ptr %a2
-  %t262 = call %S.gen.Val @finch.gen.method(ptr %t260, %S.ast.Node %t261)
-  ret %S.gen.Val %t262
-endif5615:
-  %t263 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t263, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.3685, i64 5, i64 0 }, ptr %a265
-  %t266 = call i32 @finch_str_eq(ptr %a264, ptr %a265)
-  %t267 = icmp ne i32 %t266, 0
-  br i1 %t267, label %then5616, label %endif5618
-then5616:
-  %t268 = load ptr, ptr %a1
-  %t269 = load %S.ast.Node, ptr %a2
-  %t270 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3686, i64 4, i64 0 })
-  %t271 = call %S.gen.Val @finch.gen.arrayLit(ptr %t268, %S.ast.Node %t269, %S.ast.Type %t270)
-  ret %S.gen.Val %t271
-endif5618:
-  %t272 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t272, ptr %a273
-  store { ptr, i64, i64 } { ptr @.str.3687, i64 3, i64 0 }, ptr %a274
-  %t275 = call i32 @finch_str_eq(ptr %a273, ptr %a274)
-  %t276 = icmp ne i32 %t275, 0
-  br i1 %t276, label %then5619, label %endif5621
-then5619:
-  %t277 = load ptr, ptr %a1
-  %t278 = load %S.ast.Node, ptr %a2
-  %t279 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3688, i64 4, i64 0 })
-  %t280 = call %S.gen.Val @finch.gen.mapLit(ptr %t277, %S.ast.Node %t278, %S.ast.Type %t279)
-  ret %S.gen.Val %t280
-endif5621:
-  %t281 = load ptr, ptr %a1
-  %t282 = load %S.ast.Node, ptr %a2
-  %t283 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.3689, i64 19, i64 0 }, ptr %a285
-  store { ptr, i64, i64 } %t283, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  call void @finch.gen.fail(ptr %t281, %S.ast.Node %t282, { ptr, i64, i64 } %t287)
+  store { ptr, i64, i64 } %t194, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t198, 0
+  %t201 = getelementptr inbounds %S.gen.Ref, ptr %a180, i32 0, i32 1
+  %t202 = getelementptr inbounds %S.gen.Place, ptr %t201, i32 0, i32 1
+  %t203 = load %S.ast.Type, ptr %t202
+  store %S.ast.Type %t203, ptr %a204
+  call void @finch.copy.S_ast_Type(ptr %a205, ptr %a204)
+  %t206 = load %S.ast.Type, ptr %a205
+  %t207 = insertvalue %S.gen.Val %t200, %S.ast.Type %t206, 1
+  call void @finch.drop.S_gen_Ref(ptr %a180)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t207
+endif5951:
+  %t208 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t208, ptr %a209
+  store { ptr, i64, i64 } { ptr @.str.3840, i64 5, i64 0 }, ptr %a210
+  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
+  %t212 = icmp ne i32 %t211, 0
+  br i1 %t212, label %then5955, label %endif5957
+then5955:
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.ast.Node, ptr %a2
+  %t215 = call %S.gen.Val @finch.gen.matchGen(ptr %t213, %S.ast.Node %t214, i1 true)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t215
+endif5957:
+  %t216 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t216, ptr %a217
+  store { ptr, i64, i64 } { ptr @.str.3841, i64 3, i64 0 }, ptr %a218
+  %t219 = call i32 @finch_str_eq(ptr %a217, ptr %a218)
+  %t220 = icmp ne i32 %t219, 0
+  br i1 %t220, label %then5958, label %endif5960
+then5958:
+  %t221 = load ptr, ptr %a1
+  %t222 = load %S.ast.Node, ptr %a2
+  %t223 = call %S.gen.Val @finch.gen.tryExpr(ptr %t221, %S.ast.Node %t222)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t223
+endif5960:
+  %t224 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t224, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.3842, i64 2, i64 0 }, ptr %a226
+  %t227 = call i32 @finch_str_eq(ptr %a225, ptr %a226)
+  %t228 = icmp ne i32 %t227, 0
+  br i1 %t228, label %then5961, label %endif5963
+then5961:
+  %t229 = load ptr, ptr %a1
+  %t230 = load %S.ast.Node, ptr %a2
+  %t231 = call %S.gen.Val @finch.gen.orElse(ptr %t229, %S.ast.Node %t230, i1 false)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t231
+endif5963:
+  %t232 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t232, ptr %a233
+  store { ptr, i64, i64 } { ptr @.str.3843, i64 5, i64 0 }, ptr %a234
+  %t235 = call i32 @finch_str_eq(ptr %a233, ptr %a234)
+  %t236 = icmp ne i32 %t235, 0
+  br i1 %t236, label %then5964, label %endif5966
+then5964:
+  %t237 = load ptr, ptr %a1
+  %t238 = load %S.ast.Node, ptr %a2
+  %t239 = call %S.gen.Val @finch.gen.unary(ptr %t237, %S.ast.Node %t238)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t239
+endif5966:
+  %t240 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t240, ptr %a241
+  store { ptr, i64, i64 } { ptr @.str.3844, i64 6, i64 0 }, ptr %a242
+  %t243 = call i32 @finch_str_eq(ptr %a241, ptr %a242)
+  %t244 = icmp ne i32 %t243, 0
+  br i1 %t244, label %then5967, label %endif5969
+then5967:
+  %t245 = load ptr, ptr %a1
+  %t246 = load %S.ast.Node, ptr %a2
+  %t247 = call %S.gen.Val @finch.gen.binary(ptr %t245, %S.ast.Node %t246)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t247
+endif5969:
+  %t248 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t248, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.3845, i64 4, i64 0 }, ptr %a250
+  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
+  %t252 = icmp ne i32 %t251, 0
+  br i1 %t252, label %then5970, label %endif5972
+then5970:
+  %t253 = load ptr, ptr %a1
+  %t254 = load %S.ast.Node, ptr %a2
+  %t255 = call %S.gen.Val @finch.gen.call(ptr %t253, %S.ast.Node %t254)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t255
+endif5972:
+  %t256 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t256, ptr %a257
+  store { ptr, i64, i64 } { ptr @.str.3846, i64 6, i64 0 }, ptr %a258
+  %t259 = call i32 @finch_str_eq(ptr %a257, ptr %a258)
+  %t260 = icmp ne i32 %t259, 0
+  br i1 %t260, label %then5973, label %endif5975
+then5973:
+  %t261 = load ptr, ptr %a1
+  %t262 = load %S.ast.Node, ptr %a2
+  %t263 = call %S.gen.Val @finch.gen.method(ptr %t261, %S.ast.Node %t262)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t263
+endif5975:
+  %t264 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t264, ptr %a265
+  store { ptr, i64, i64 } { ptr @.str.3847, i64 5, i64 0 }, ptr %a266
+  %t267 = call i32 @finch_str_eq(ptr %a265, ptr %a266)
+  %t268 = icmp ne i32 %t267, 0
+  br i1 %t268, label %then5976, label %endif5978
+then5976:
+  %t269 = load ptr, ptr %a1
+  %t270 = load %S.ast.Node, ptr %a2
+  %t271 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3848, i64 4, i64 0 })
+  %t272 = call %S.gen.Val @finch.gen.arrayLit(ptr %t269, %S.ast.Node %t270, %S.ast.Type %t271)
+  store %S.ast.Type %t271, ptr %a273
+  call void @finch.drop.S_ast_Type(ptr %a273)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t272
+endif5978:
+  %t274 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t274, ptr %a275
+  store { ptr, i64, i64 } { ptr @.str.3849, i64 3, i64 0 }, ptr %a276
+  %t277 = call i32 @finch_str_eq(ptr %a275, ptr %a276)
+  %t278 = icmp ne i32 %t277, 0
+  br i1 %t278, label %then5979, label %endif5981
+then5979:
+  %t279 = load ptr, ptr %a1
+  %t280 = load %S.ast.Node, ptr %a2
+  %t281 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3850, i64 4, i64 0 })
+  %t282 = call %S.gen.Val @finch.gen.mapLit(ptr %t279, %S.ast.Node %t280, %S.ast.Type %t281)
+  store %S.ast.Type %t281, ptr %a283
+  call void @finch.drop.S_ast_Type(ptr %a283)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t282
+endif5981:
+  %t284 = load ptr, ptr %a1
+  %t285 = load %S.ast.Node, ptr %a2
+  %t286 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.3851, i64 19, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a287
+  call void @finch.gen.fail(ptr %t284, %S.ast.Node %t285, { ptr, i64, i64 } %t290)
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -51362,74 +60774,94 @@ entry:
   %a12 = alloca %S.gen.Val, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca %S.gen.Val, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.ast.Type, align 16
+  %a31 = alloca %S.gen.Val, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca %S.ast.Type, align 16
-  %a93 = alloca %S.ast.Type, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.ast.Type, align 16
+  %a103 = alloca %S.ast.Type, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca %S.ast.Type, align 16
-  %a132 = alloca %S.ast.Type, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca %S.ast.Type, align 16
-  %a146 = alloca %S.ast.Type, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca %S.ast.Type, align 16
+  %a144 = alloca %S.ast.Type, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca %S.ast.Type, align 16
+  %a158 = alloca %S.ast.Type, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca %S.ast.Type, align 16
-  %a174 = alloca %S.ast.Type, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca %S.ast.Type, align 16
-  %a204 = alloca %S.ast.Type, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca %S.ast.Type, align 16
+  %a190 = alloca %S.ast.Type, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca %S.gen.Val, align 16
-  %a218 = alloca %S.gen.Val, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca %S.ast.Type, align 16
+  %a224 = alloca %S.ast.Type, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = load ptr, ptr %a1
@@ -51437,11 +60869,11 @@ entry:
   %t5 = load { ptr, i64, i64 }, ptr %t4
   %t6 = extractvalue { ptr, i64, i64 } %t5, 1
   %t7 = icmp uge i64 0, %t6
-  br i1 %t7, label %range5622, label %inrange5623
-range5622:
-  call void @finch_panic_index(ptr @.str.3690, i64 3015, i64 0, i64 %t6)
+  br i1 %t7, label %range5982, label %inrange5983
+range5982:
+  call void @finch_panic_index(ptr @.str.3852, i64 3270, i64 0, i64 %t6)
   unreachable
-inrange5623:
+inrange5983:
   %t8 = extractvalue { ptr, i64, i64 } %t5, 0
   %t9 = getelementptr inbounds %S.ast.Node, ptr %t8, i64 0
   %t10 = load %S.ast.Node, ptr %t9
@@ -51450,250 +60882,298 @@ inrange5623:
   %t13 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t14 = load { ptr, i64, i64 }, ptr %t13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.3691, i64 1, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.3853, i64 1, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br i1 %t18, label %then5624, label %endif5626
-then5624:
+  br i1 %t18, label %then5984, label %endif5986
+then5984:
   %t19 = load ptr, ptr %a1
   %t20 = load %S.gen.Val, ptr %a12
-  %t21 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3692, i64 4, i64 0 })
+  %t21 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3854, i64 4, i64 0 })
   %t22 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t23 = load { ptr, i64, i64 }, ptr %t22
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 0, %t24
-  br i1 %t25, label %range5627, label %inrange5628
-range5627:
-  call void @finch_panic_index(ptr @.str.3693, i64 3017, i64 0, i64 %t24)
+  br i1 %t25, label %range5987, label %inrange5988
+range5987:
+  call void @finch_panic_index(ptr @.str.3855, i64 3272, i64 0, i64 %t24)
   unreachable
-inrange5628:
+inrange5988:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds %S.ast.Node, ptr %t26, i64 0
   %t28 = load %S.ast.Node, ptr %t27
-  %t29 = call %S.gen.Val @finch.gen.coerce(ptr %t19, %S.gen.Val %t20, %S.ast.Type %t21, %S.ast.Node %t28, { ptr, i64, i64 } { ptr @.str.3694, i64 19, i64 0 })
-  store %S.gen.Val %t29, ptr %a30
-  %t31 = load ptr, ptr %a1
-  %t32 = getelementptr inbounds %S.gen.Val, ptr %a30, i32 0, i32 0
-  %t33 = load { ptr, i64, i64 }, ptr %t32
-  store { ptr, i64, i64 } { ptr @.str.3695, i64 7, i64 0 }, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.3696, i64 6, i64 0 }, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = call { ptr, i64, i64 } @finch.gen.op(ptr %t31, { ptr, i64, i64 } %t41)
-  %t43 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t42, 0
-  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3697, i64 4, i64 0 })
-  %t45 = insertvalue %S.gen.Val %t43, %S.ast.Type %t44, 1
-  ret %S.gen.Val %t45
-endif5626:
-  %t46 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t47 = load { ptr, i64, i64 }, ptr %t46
-  store { ptr, i64, i64 } %t47, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.3698, i64 1, i64 0 }, ptr %a49
-  %t50 = call i32 @finch_str_eq(ptr %a48, ptr %a49)
-  %t51 = icmp ne i32 %t50, 0
-  br i1 %t51, label %then5629, label %endif5631
-then5629:
-  %t52 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t53 = load %S.ast.Type, ptr %t52
-  %t54 = call i1 @finch.gen.isInt(%S.ast.Type %t53)
-  %t55 = xor i1 %t54, true
-  br i1 %t55, label %then5632, label %endif5634
-then5632:
-  %t56 = load ptr, ptr %a1
-  %t57 = load %S.ast.Node, ptr %a2
-  %t58 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t59 = load %S.ast.Type, ptr %t58
-  %t60 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t59)
-  store { ptr, i64, i64 } { ptr @.str.3699, i64 45, i64 0 }, ptr %a62
-  store { ptr, i64, i64 } %t60, ptr %a63
-  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
-  %t64 = load { ptr, i64, i64 }, ptr %a61
-  call void @finch.gen.fail(ptr %t56, %S.ast.Node %t57, { ptr, i64, i64 } %t64)
-  br label %endif5634
-endif5634:
-  %t65 = load ptr, ptr %a1
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t68 = load %S.ast.Type, ptr %t67
-  %t69 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t66, %S.ast.Type %t68)
-  store { ptr, i64, i64 } { ptr @.str.3700, i64 4, i64 0 }, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.3701, i64 1, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t79 = load { ptr, i64, i64 }, ptr %t78
-  store { ptr, i64, i64 } %t77, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
+  %t29 = call %S.gen.Val @finch.gen.coerce(ptr %t19, %S.gen.Val %t20, %S.ast.Type %t21, %S.ast.Node %t28, { ptr, i64, i64 } { ptr @.str.3856, i64 19, i64 0 })
+  store %S.ast.Type %t21, ptr %a30
+  call void @finch.drop.S_ast_Type(ptr %a30)
+  store %S.gen.Val %t29, ptr %a31
+  %t32 = load ptr, ptr %a1
+  %t33 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t34 = load { ptr, i64, i64 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.3857, i64 7, i64 0 }, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t38, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.3858, i64 6, i64 0 }, ptr %a41
+  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  %t44 = call { ptr, i64, i64 } @finch.gen.op(ptr %t32, { ptr, i64, i64 } %t43)
+  store { ptr, i64, i64 } %t43, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t44, 0
+  %t47 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3859, i64 4, i64 0 })
+  %t48 = insertvalue %S.gen.Val %t46, %S.ast.Type %t47, 1
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t48
+endif5986:
+  %t49 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.3860, i64 1, i64 0 }, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %then5989, label %endif5991
+then5989:
+  %t55 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t56 = load %S.ast.Type, ptr %t55
+  %t57 = call i1 @finch.gen.isInt(%S.ast.Type %t56)
+  %t58 = xor i1 %t57, true
+  br i1 %t58, label %then5992, label %endif5994
+then5992:
+  %t59 = load ptr, ptr %a1
+  %t60 = load %S.ast.Node, ptr %a2
+  %t61 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t62 = load %S.ast.Type, ptr %t61
+  %t63 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t62)
+  store { ptr, i64, i64 } { ptr @.str.3861, i64 45, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t63, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a64
+  call void @finch.gen.fail(ptr %t59, %S.ast.Node %t60, { ptr, i64, i64 } %t68)
+  store { ptr, i64, i64 } %t68, ptr %a69
+  call void @finch_str_drop(ptr %a69)
+  br label %endif5994
+endif5994:
+  %t70 = load ptr, ptr %a1
+  %t71 = load ptr, ptr %a1
+  %t72 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t73 = load %S.ast.Type, ptr %t72
+  %t74 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t71, %S.ast.Type %t73)
+  store { ptr, i64, i64 } { ptr @.str.3862, i64 4, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } %t74, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.3863, i64 1, i64 0 }, ptr %a82
   call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.3702, i64 4, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = call { ptr, i64, i64 } @finch.gen.op(ptr %t65, { ptr, i64, i64 } %t87)
-  %t89 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t88, 0
-  %t90 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t91 = load %S.ast.Type, ptr %t90
-  store %S.ast.Type %t91, ptr %a92
-  call void @finch.copy.S_ast_Type(ptr %a93, ptr %a92)
-  %t94 = load %S.ast.Type, ptr %a93
-  %t95 = insertvalue %S.gen.Val %t89, %S.ast.Type %t94, 1
-  ret %S.gen.Val %t95
-endif5631:
-  %t96 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t97 = load %S.ast.Type, ptr %t96
-  %t98 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t97)
-  br i1 %t98, label %then5635, label %endif5637
-then5635:
-  %t99 = load ptr, ptr %a1
-  %t100 = load %S.ast.Node, ptr %a2
-  %t101 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t102 = load %S.ast.Type, ptr %t101
-  %t103 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t102)
-  store { ptr, i64, i64 } %t103, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.3703, i64 34, i64 0 }, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  call void @finch.gen.fail(ptr %t99, %S.ast.Node %t100, { ptr, i64, i64 } %t107)
-  br label %endif5637
-endif5637:
-  %t108 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t109 = load %S.ast.Type, ptr %t108
-  %t110 = call i1 @finch.gen.isSigned(%S.ast.Type %t109)
-  br i1 %t110, label %then5638, label %endif5640
-then5638:
-  %t111 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 3
-  %t112 = load i1, ptr %t111
-  br i1 %t112, label %then5641, label %endif5643
-then5641:
-  %t113 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  store { ptr, i64, i64 } %t114, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.3705, i64 1, i64 0 }, ptr %a117
-  %t118 = call i32 @finch_str_starts(ptr %a115, ptr %a117)
-  %t119 = icmp ne i32 %t118, 0
-  br i1 %t119, label %then5644, label %endif5646
-then5644:
-  %t120 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t121 = load { ptr, i64, i64 }, ptr %t120
-  store { ptr, i64, i64 } %t121, ptr %a122
-  %t124 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i32 0, i32 1
-  %t126 = load i64, ptr %t125
-  call void @finch_str_sub(ptr %a123, ptr %a122, i64 1, i64 %t126, ptr @.str.3706, i64 3032)
-  %t127 = load { ptr, i64, i64 }, ptr %a123
-  %t128 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t127, 0
-  %t129 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t130 = load %S.ast.Type, ptr %t129
-  store %S.ast.Type %t130, ptr %a131
-  call void @finch.copy.S_ast_Type(ptr %a132, ptr %a131)
-  %t133 = load %S.ast.Type, ptr %a132
-  %t134 = insertvalue %S.gen.Val %t128, %S.ast.Type %t133, 1
-  %t135 = insertvalue %S.gen.Val %t134, i1 true, 3
-  ret %S.gen.Val %t135
-endif5646:
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  %t85 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t86 = load { ptr, i64, i64 }, ptr %t85
+  store { ptr, i64, i64 } %t84, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t84, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.3864, i64 4, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  %t97 = call { ptr, i64, i64 } @finch.gen.op(ptr %t70, { ptr, i64, i64 } %t96)
+  store { ptr, i64, i64 } %t96, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  %t99 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t97, 0
+  %t100 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t101 = load %S.ast.Type, ptr %t100
+  store %S.ast.Type %t101, ptr %a102
+  call void @finch.copy.S_ast_Type(ptr %a103, ptr %a102)
+  %t104 = load %S.ast.Type, ptr %a103
+  %t105 = insertvalue %S.gen.Val %t99, %S.ast.Type %t104, 1
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t105
+endif5991:
+  %t106 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t107 = load %S.ast.Type, ptr %t106
+  %t108 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t107)
+  br i1 %t108, label %then5995, label %endif5997
+then5995:
+  %t109 = load ptr, ptr %a1
+  %t110 = load %S.ast.Node, ptr %a2
+  %t111 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t112 = load %S.ast.Type, ptr %t111
+  %t113 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t112)
+  store { ptr, i64, i64 } %t113, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.3865, i64 34, i64 0 }, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t113, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a114
+  call void @finch.gen.fail(ptr %t109, %S.ast.Node %t110, { ptr, i64, i64 } %t118)
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  br label %endif5997
+endif5997:
+  %t120 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t121 = load %S.ast.Type, ptr %t120
+  %t122 = call i1 @finch.gen.isSigned(%S.ast.Type %t121)
+  br i1 %t122, label %then5998, label %endif6000
+then5998:
+  %t123 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 3
+  %t124 = load i1, ptr %t123
+  br i1 %t124, label %then6001, label %endif6003
+then6001:
+  %t125 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t126, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.3867, i64 1, i64 0 }, ptr %a129
+  %t130 = call i32 @finch_str_starts(ptr %a127, ptr %a129)
+  %t131 = icmp ne i32 %t130, 0
+  br i1 %t131, label %then6004, label %endif6006
+then6004:
+  %t132 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
   %t136 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t137 = load { ptr, i64, i64 }, ptr %t136
-  store { ptr, i64, i64 } { ptr @.str.3707, i64 1, i64 0 }, ptr %a139
-  store { ptr, i64, i64 } %t137, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  %t142 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t141, 0
-  %t143 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t144 = load %S.ast.Type, ptr %t143
-  store %S.ast.Type %t144, ptr %a145
-  call void @finch.copy.S_ast_Type(ptr %a146, ptr %a145)
-  %t147 = load %S.ast.Type, ptr %a146
-  %t148 = insertvalue %S.gen.Val %t142, %S.ast.Type %t147, 1
-  %t149 = insertvalue %S.gen.Val %t148, i1 true, 3
-  ret %S.gen.Val %t149
-endif5643:
-  %t150 = load ptr, ptr %a1
-  %t151 = load ptr, ptr %a1
-  %t152 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t153 = load %S.ast.Type, ptr %t152
-  %t154 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t151, %S.ast.Type %t153)
-  store { ptr, i64, i64 } { ptr @.str.3708, i64 4, i64 0 }, ptr %a156
-  store { ptr, i64, i64 } %t154, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t158, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.3709, i64 4, i64 0 }, ptr %a161
-  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  %t163 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t164 = load { ptr, i64, i64 }, ptr %t163
-  store { ptr, i64, i64 } %t162, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
-  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  %t169 = call { ptr, i64, i64 } @finch.gen.op(ptr %t150, { ptr, i64, i64 } %t168)
-  %t170 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t169, 0
-  %t171 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t172 = load %S.ast.Type, ptr %t171
-  store %S.ast.Type %t172, ptr %a173
-  call void @finch.copy.S_ast_Type(ptr %a174, ptr %a173)
-  %t175 = load %S.ast.Type, ptr %a174
-  %t176 = insertvalue %S.gen.Val %t170, %S.ast.Type %t175, 1
-  ret %S.gen.Val %t176
-endif5640:
-  %t177 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t178 = load %S.ast.Type, ptr %t177
-  %t179 = call i1 @finch.gen.isFloat(%S.ast.Type %t178)
-  br i1 %t179, label %then5647, label %endif5649
-then5647:
-  %t180 = load ptr, ptr %a1
-  %t181 = load ptr, ptr %a1
-  %t182 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t183 = load %S.ast.Type, ptr %t182
-  %t184 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t181, %S.ast.Type %t183)
-  store { ptr, i64, i64 } { ptr @.str.3710, i64 5, i64 0 }, ptr %a186
-  store { ptr, i64, i64 } %t184, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  store { ptr, i64, i64 } %t188, ptr %a190
-  store { ptr, i64, i64 } { ptr @.str.3711, i64 1, i64 0 }, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  %t193 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  store { ptr, i64, i64 } %t192, ptr %a196
-  store { ptr, i64, i64 } %t194, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t180, { ptr, i64, i64 } %t198)
-  %t200 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t199, 0
-  %t201 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t202 = load %S.ast.Type, ptr %t201
-  store %S.ast.Type %t202, ptr %a203
-  call void @finch.copy.S_ast_Type(ptr %a204, ptr %a203)
-  %t205 = load %S.ast.Type, ptr %a204
-  %t206 = insertvalue %S.gen.Val %t200, %S.ast.Type %t205, 1
-  ret %S.gen.Val %t206
-endif5649:
-  %t207 = load ptr, ptr %a1
-  %t208 = load %S.ast.Node, ptr %a2
-  %t209 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
-  %t210 = load %S.ast.Type, ptr %t209
-  %t211 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t210)
-  store { ptr, i64, i64 } { ptr @.str.3712, i64 26, i64 0 }, ptr %a213
-  store { ptr, i64, i64 } %t211, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  call void @finch.gen.fail(ptr %t207, %S.ast.Node %t208, { ptr, i64, i64 } %t215)
-  %t216 = load %S.gen.Val, ptr %a12
-  store %S.gen.Val %t216, ptr %a217
-  call void @finch.copy.S_gen_Val(ptr %a218, ptr %a217)
-  %t219 = load %S.gen.Val, ptr %a218
-  ret %S.gen.Val %t219
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t136, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  call void @finch_str_sub(ptr %a135, ptr %a134, i64 1, i64 %t138, ptr @.str.3868, i64 3287)
+  %t139 = load { ptr, i64, i64 }, ptr %a135
+  %t140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
+  %t141 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t142 = load %S.ast.Type, ptr %t141
+  store %S.ast.Type %t142, ptr %a143
+  call void @finch.copy.S_ast_Type(ptr %a144, ptr %a143)
+  %t145 = load %S.ast.Type, ptr %a144
+  %t146 = insertvalue %S.gen.Val %t140, %S.ast.Type %t145, 1
+  %t147 = insertvalue %S.gen.Val %t146, i1 true, 3
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t147
+endif6006:
+  %t148 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t149 = load { ptr, i64, i64 }, ptr %t148
+  store { ptr, i64, i64 } { ptr @.str.3869, i64 1, i64 0 }, ptr %a151
+  store { ptr, i64, i64 } %t149, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  %t153 = load { ptr, i64, i64 }, ptr %a150
+  %t154 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t153, 0
+  %t155 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t156 = load %S.ast.Type, ptr %t155
+  store %S.ast.Type %t156, ptr %a157
+  call void @finch.copy.S_ast_Type(ptr %a158, ptr %a157)
+  %t159 = load %S.ast.Type, ptr %a158
+  %t160 = insertvalue %S.gen.Val %t154, %S.ast.Type %t159, 1
+  %t161 = insertvalue %S.gen.Val %t160, i1 true, 3
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t161
+endif6003:
+  %t162 = load ptr, ptr %a1
+  %t163 = load ptr, ptr %a1
+  %t164 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t165 = load %S.ast.Type, ptr %t164
+  %t166 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t163, %S.ast.Type %t165)
+  store { ptr, i64, i64 } { ptr @.str.3870, i64 4, i64 0 }, ptr %a168
+  store { ptr, i64, i64 } %t166, ptr %a169
+  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
+  store { ptr, i64, i64 } %t166, ptr %a170
+  call void @finch_str_drop(ptr %a170)
+  %t171 = load { ptr, i64, i64 }, ptr %a167
+  store { ptr, i64, i64 } %t171, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.3871, i64 4, i64 0 }, ptr %a174
+  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
+  store { ptr, i64, i64 } %t171, ptr %a175
+  call void @finch_str_drop(ptr %a175)
+  %t176 = load { ptr, i64, i64 }, ptr %a172
+  %t177 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t178 = load { ptr, i64, i64 }, ptr %t177
+  store { ptr, i64, i64 } %t176, ptr %a180
+  store { ptr, i64, i64 } %t178, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t176, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t162, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t184, 0
+  %t187 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t188 = load %S.ast.Type, ptr %t187
+  store %S.ast.Type %t188, ptr %a189
+  call void @finch.copy.S_ast_Type(ptr %a190, ptr %a189)
+  %t191 = load %S.ast.Type, ptr %a190
+  %t192 = insertvalue %S.gen.Val %t186, %S.ast.Type %t191, 1
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t192
+endif6000:
+  %t193 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t194 = load %S.ast.Type, ptr %t193
+  %t195 = call i1 @finch.gen.isFloat(%S.ast.Type %t194)
+  br i1 %t195, label %then6007, label %endif6009
+then6007:
+  %t196 = load ptr, ptr %a1
+  %t197 = load ptr, ptr %a1
+  %t198 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t199 = load %S.ast.Type, ptr %t198
+  %t200 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t197, %S.ast.Type %t199)
+  store { ptr, i64, i64 } { ptr @.str.3872, i64 5, i64 0 }, ptr %a202
+  store { ptr, i64, i64 } %t200, ptr %a203
+  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
+  store { ptr, i64, i64 } %t200, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a201
+  store { ptr, i64, i64 } %t205, ptr %a207
+  store { ptr, i64, i64 } { ptr @.str.3873, i64 1, i64 0 }, ptr %a208
+  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
+  store { ptr, i64, i64 } %t205, ptr %a209
+  call void @finch_str_drop(ptr %a209)
+  %t210 = load { ptr, i64, i64 }, ptr %a206
+  %t211 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 0
+  %t212 = load { ptr, i64, i64 }, ptr %t211
+  store { ptr, i64, i64 } %t210, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t210, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  %t218 = call { ptr, i64, i64 } @finch.gen.op(ptr %t196, { ptr, i64, i64 } %t217)
+  store { ptr, i64, i64 } %t217, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t218, 0
+  %t221 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t222 = load %S.ast.Type, ptr %t221
+  store %S.ast.Type %t222, ptr %a223
+  call void @finch.copy.S_ast_Type(ptr %a224, ptr %a223)
+  %t225 = load %S.ast.Type, ptr %a224
+  %t226 = insertvalue %S.gen.Val %t220, %S.ast.Type %t225, 1
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  ret %S.gen.Val %t226
+endif6009:
+  %t227 = load ptr, ptr %a1
+  %t228 = load %S.ast.Node, ptr %a2
+  %t229 = getelementptr inbounds %S.gen.Val, ptr %a12, i32 0, i32 1
+  %t230 = load %S.ast.Type, ptr %t229
+  %t231 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t230)
+  store { ptr, i64, i64 } { ptr @.str.3874, i64 26, i64 0 }, ptr %a233
+  store { ptr, i64, i64 } %t231, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t231, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a232
+  call void @finch.gen.fail(ptr %t227, %S.ast.Node %t228, { ptr, i64, i64 } %t236)
+  store { ptr, i64, i64 } %t236, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load %S.gen.Val, ptr %a12
+  ret %S.gen.Val %t238
 }
 
 define internal void @finch.gen.badOperands(ptr %p0, { ptr, i64, i64 } %p1, %S.gen.Val %p2, %S.gen.Val %p3, %S.ast.Node %p4) {
@@ -51709,355 +61189,395 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.gen.Val %p2, ptr %a3
   store %S.gen.Val %p3, ptr %a4
   store %S.ast.Node %p4, ptr %a5
   %t6 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.3713, i64 11, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.3875, i64 11, i64 0 }, ptr %a8
   store { ptr, i64, i64 } %t6, ptr %a9
   call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
   %t10 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t10, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.3714, i64 5, i64 0 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.3876, i64 5, i64 0 }, ptr %a13
   call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t16 = load %S.ast.Type, ptr %t15
-  %t17 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t16)
-  store { ptr, i64, i64 } %t14, ptr %a19
-  store { ptr, i64, i64 } %t17, ptr %a20
-  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a22
-  %t23 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t24 = load %S.ast.Type, ptr %t23
-  %t25 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
-  %t26 = load %S.ast.Type, ptr %t25
-  %t27 = call i1 @finch.ast.same(%S.ast.Type %t24, %S.ast.Type %t26)
-  %t28 = xor i1 %t27, true
-  br i1 %t28, label %then5650, label %endif5652
-then5650:
-  %t29 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t29, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.3715, i64 5, i64 0 }, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  %t34 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
-  %t35 = load %S.ast.Type, ptr %t34
-  %t36 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t35)
-  store { ptr, i64, i64 } %t33, ptr %a38
-  store { ptr, i64, i64 } %t36, ptr %a39
-  call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
-  %t40 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } %t40, ptr %a22
-  br label %endif5652
-endif5652:
-  %t41 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.3716, i64 1, i64 0 }, ptr %a43
-  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
-  %t45 = icmp ne i32 %t44, 0
-  br label %logic.from5653
-logic.from5653:
-  br i1 %t45, label %logic.rhs5654, label %logic.end5655
-logic.rhs5654:
-  %t46 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t47 = getelementptr inbounds %S.ast.Type, ptr %t46, i32 0, i32 0
-  %t48 = load { ptr, i64, i64 }, ptr %t47
+  store { ptr, i64, i64 } %t10, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a11
+  %t16 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t17 = load %S.ast.Type, ptr %t16
+  %t18 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t17)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  store { ptr, i64, i64 } %t18, ptr %a21
+  call void @finch_str_concat(ptr %a19, ptr %a20, ptr %a21)
+  store { ptr, i64, i64 } %t15, ptr %a22
+  call void @finch_str_drop(ptr %a22)
+  store { ptr, i64, i64 } %t18, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  %t24 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t24, ptr %a25
+  %t26 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t27 = load %S.ast.Type, ptr %t26
+  %t28 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  %t29 = load %S.ast.Type, ptr %t28
+  %t30 = call i1 @finch.ast.same(%S.ast.Type %t27, %S.ast.Type %t29)
+  %t31 = xor i1 %t30, true
+  br i1 %t31, label %then6010, label %endif6012
+then6010:
+  %t32 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.3877, i64 5, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a33
+  %t37 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  %t38 = load %S.ast.Type, ptr %t37
+  %t39 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t38)
+  store { ptr, i64, i64 } %t36, ptr %a41
+  store { ptr, i64, i64 } %t39, ptr %a42
+  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
+  store { ptr, i64, i64 } %t36, ptr %a43
+  call void @finch_str_drop(ptr %a43)
+  store { ptr, i64, i64 } %t39, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a40
+  %t46 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t45, ptr %a25
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %endif6012
+endif6012:
+  %t48 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.3717, i64 3, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.3878, i64 1, i64 0 }, ptr %a50
   %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
   %t52 = icmp ne i32 %t51, 0
-  br label %logic.from5656
-logic.from5656:
-  br i1 %t52, label %logic.end5658, label %logic.rhs5657
-logic.rhs5657:
-  %t53 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  br label %logic.from6013
+logic.from6013:
+  br i1 %t52, label %logic.rhs6014, label %logic.end6015
+logic.rhs6014:
+  %t53 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
   %t54 = getelementptr inbounds %S.ast.Type, ptr %t53, i32 0, i32 0
   %t55 = load { ptr, i64, i64 }, ptr %t54
   store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.3718, i64 3, i64 0 }, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.3879, i64 3, i64 0 }, ptr %a57
   %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
   %t59 = icmp ne i32 %t58, 0
-  br label %logic.rend5659
-logic.rend5659:
-  br label %logic.end5658
-logic.end5658:
-  %t60 = phi i1 [ true, %logic.from5656 ], [ %t59, %logic.rend5659 ]
-  br label %logic.rend5660
-logic.rend5660:
-  br label %logic.end5655
-logic.end5655:
-  %t61 = phi i1 [ false, %logic.from5653 ], [ %t60, %logic.rend5660 ]
-  br i1 %t61, label %then5661, label %endif5663
-then5661:
-  %t62 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t62, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.3719, i64 48, i64 0 }, ptr %a65
-  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
-  %t66 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t66, ptr %a22
-  br label %endif5663
-endif5663:
-  %t67 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.3720, i64 1, i64 0 }, ptr %a69
-  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
-  %t71 = icmp ne i32 %t70, 0
-  br label %logic.from5664
-logic.from5664:
-  br i1 %t71, label %logic.end5666, label %logic.rhs5665
-logic.rhs5665:
-  %t72 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t72, ptr %a73
-  store { ptr, i64, i64 } { ptr @.str.3721, i64 1, i64 0 }, ptr %a74
-  %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
-  %t76 = icmp ne i32 %t75, 0
-  br label %logic.rend5667
-logic.rend5667:
-  br label %logic.end5666
-logic.end5666:
-  %t77 = phi i1 [ true, %logic.from5664 ], [ %t76, %logic.rend5667 ]
-  br label %logic.from5668
-logic.from5668:
-  br i1 %t77, label %logic.rhs5669, label %logic.end5670
-logic.rhs5669:
-  %t78 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t79 = getelementptr inbounds %S.ast.Type, ptr %t78, i32 0, i32 0
-  %t80 = load { ptr, i64, i64 }, ptr %t79
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.3722, i64 4, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp ne i32 %t83, 0
-  br label %logic.rend5671
-logic.rend5671:
-  br label %logic.end5670
-logic.end5670:
-  %t85 = phi i1 [ false, %logic.from5668 ], [ %t84, %logic.rend5671 ]
-  br i1 %t85, label %then5672, label %else5673
-then5672:
-  %t86 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t86, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.3723, i64 1, i64 0 }, ptr %a88
-  %t89 = call i32 @finch_str_eq(ptr %a87, ptr %a88)
-  %t90 = icmp ne i32 %t89, 0
-  br i1 %t90, label %then5675, label %else5676
-then5675:
-  %t91 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t91, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.3724, i64 26, i64 0 }, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a22
-  br label %endif5677
-else5676:
-  %t96 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.3725, i64 26, i64 0 }, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a22
-  br label %endif5677
-endif5677:
-  br label %endif5674
-else5673:
-  %t101 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.3726, i64 1, i64 0 }, ptr %a103
-  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
-  %t105 = icmp ne i32 %t104, 0
-  br label %logic.from5678
-logic.from5678:
-  br i1 %t105, label %logic.end5680, label %logic.rhs5679
-logic.rhs5679:
-  %t106 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t106, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.3727, i64 1, i64 0 }, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend5681
-logic.rend5681:
-  br label %logic.end5680
-logic.end5680:
-  %t111 = phi i1 [ true, %logic.from5678 ], [ %t110, %logic.rend5681 ]
-  br label %logic.from5682
-logic.from5682:
-  br i1 %t111, label %logic.end5684, label %logic.rhs5683
-logic.rhs5683:
-  %t112 = load { ptr, i64, i64 }, ptr %a2
+  br label %logic.from6016
+logic.from6016:
+  br i1 %t59, label %logic.end6018, label %logic.rhs6017
+logic.rhs6017:
+  %t60 = getelementptr inbounds %S.gen.Val, ptr %a4, i32 0, i32 1
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %t60, i32 0, i32 0
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.3880, i64 3, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp ne i32 %t65, 0
+  br label %logic.rend6019
+logic.rend6019:
+  br label %logic.end6018
+logic.end6018:
+  %t67 = phi i1 [ true, %logic.from6016 ], [ %t66, %logic.rend6019 ]
+  br label %logic.rend6020
+logic.rend6020:
+  br label %logic.end6015
+logic.end6015:
+  %t68 = phi i1 [ false, %logic.from6013 ], [ %t67, %logic.rend6020 ]
+  br i1 %t68, label %then6021, label %endif6023
+then6021:
+  %t69 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.3881, i64 48, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a70
+  %t74 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t73, ptr %a25
+  store { ptr, i64, i64 } %t74, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  br label %endif6023
+endif6023:
+  %t76 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t76, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.3882, i64 1, i64 0 }, ptr %a78
+  %t79 = call i32 @finch_str_eq(ptr %a77, ptr %a78)
+  %t80 = icmp ne i32 %t79, 0
+  br label %logic.from6024
+logic.from6024:
+  br i1 %t80, label %logic.end6026, label %logic.rhs6025
+logic.rhs6025:
+  %t81 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t81, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.3883, i64 1, i64 0 }, ptr %a83
+  %t84 = call i32 @finch_str_eq(ptr %a82, ptr %a83)
+  %t85 = icmp ne i32 %t84, 0
+  br label %logic.rend6027
+logic.rend6027:
+  br label %logic.end6026
+logic.end6026:
+  %t86 = phi i1 [ true, %logic.from6024 ], [ %t85, %logic.rend6027 ]
+  br label %logic.from6028
+logic.from6028:
+  br i1 %t86, label %logic.rhs6029, label %logic.end6030
+logic.rhs6029:
+  %t87 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i32 0, i32 0
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.3884, i64 4, i64 0 }, ptr %a91
+  %t92 = call i32 @finch_str_eq(ptr %a90, ptr %a91)
+  %t93 = icmp ne i32 %t92, 0
+  br label %logic.rend6031
+logic.rend6031:
+  br label %logic.end6030
+logic.end6030:
+  %t94 = phi i1 [ false, %logic.from6028 ], [ %t93, %logic.rend6031 ]
+  br i1 %t94, label %then6032, label %else6033
+then6032:
+  %t95 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t95, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.3885, i64 1, i64 0 }, ptr %a97
+  %t98 = call i32 @finch_str_eq(ptr %a96, ptr %a97)
+  %t99 = icmp ne i32 %t98, 0
+  br i1 %t99, label %then6035, label %else6036
+then6035:
+  %t100 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.3886, i64 26, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a101
+  %t105 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t104, ptr %a25
+  store { ptr, i64, i64 } %t105, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  br label %endif6037
+else6036:
+  %t107 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t107, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.3887, i64 26, i64 0 }, ptr %a110
+  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a108
+  %t112 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t111, ptr %a25
   store { ptr, i64, i64 } %t112, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.3728, i64 1, i64 0 }, ptr %a114
-  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
-  %t116 = icmp ne i32 %t115, 0
-  br label %logic.rend5685
-logic.rend5685:
-  br label %logic.end5684
-logic.end5684:
-  %t117 = phi i1 [ true, %logic.from5682 ], [ %t116, %logic.rend5685 ]
-  br label %logic.from5686
-logic.from5686:
-  br i1 %t117, label %logic.end5688, label %logic.rhs5687
-logic.rhs5687:
-  %t118 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t118, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.3729, i64 2, i64 0 }, ptr %a120
-  %t121 = call i32 @finch_str_eq(ptr %a119, ptr %a120)
-  %t122 = icmp ne i32 %t121, 0
-  br label %logic.rend5689
-logic.rend5689:
-  br label %logic.end5688
-logic.end5688:
-  %t123 = phi i1 [ true, %logic.from5686 ], [ %t122, %logic.rend5689 ]
-  br label %logic.from5690
-logic.from5690:
-  br i1 %t123, label %logic.end5692, label %logic.rhs5691
-logic.rhs5691:
-  %t124 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.3730, i64 2, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br label %logic.rend5693
-logic.rend5693:
-  br label %logic.end5692
-logic.end5692:
-  %t129 = phi i1 [ true, %logic.from5690 ], [ %t128, %logic.rend5693 ]
-  br i1 %t129, label %then5694, label %endif5696
-then5694:
-  %t130 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t130, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.3731, i64 43, i64 0 }, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } %t134, ptr %a22
-  br label %endif5696
-endif5696:
-  br label %endif5674
-endif5674:
-  %t135 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t136 = getelementptr inbounds %S.ast.Type, ptr %t135, i32 0, i32 0
-  %t137 = load { ptr, i64, i64 }, ptr %t136
+  call void @finch_str_drop(ptr %a113)
+  br label %endif6037
+endif6037:
+  br label %endif6034
+else6033:
+  %t114 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.3888, i64 1, i64 0 }, ptr %a116
+  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
+  %t118 = icmp ne i32 %t117, 0
+  br label %logic.from6038
+logic.from6038:
+  br i1 %t118, label %logic.end6040, label %logic.rhs6039
+logic.rhs6039:
+  %t119 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t119, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.3889, i64 1, i64 0 }, ptr %a121
+  %t122 = call i32 @finch_str_eq(ptr %a120, ptr %a121)
+  %t123 = icmp ne i32 %t122, 0
+  br label %logic.rend6041
+logic.rend6041:
+  br label %logic.end6040
+logic.end6040:
+  %t124 = phi i1 [ true, %logic.from6038 ], [ %t123, %logic.rend6041 ]
+  br label %logic.from6042
+logic.from6042:
+  br i1 %t124, label %logic.end6044, label %logic.rhs6043
+logic.rhs6043:
+  %t125 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t125, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.3890, i64 1, i64 0 }, ptr %a127
+  %t128 = call i32 @finch_str_eq(ptr %a126, ptr %a127)
+  %t129 = icmp ne i32 %t128, 0
+  br label %logic.rend6045
+logic.rend6045:
+  br label %logic.end6044
+logic.end6044:
+  %t130 = phi i1 [ true, %logic.from6042 ], [ %t129, %logic.rend6045 ]
+  br label %logic.from6046
+logic.from6046:
+  br i1 %t130, label %logic.end6048, label %logic.rhs6047
+logic.rhs6047:
+  %t131 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t131, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.3891, i64 2, i64 0 }, ptr %a133
+  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
+  %t135 = icmp ne i32 %t134, 0
+  br label %logic.rend6049
+logic.rend6049:
+  br label %logic.end6048
+logic.end6048:
+  %t136 = phi i1 [ true, %logic.from6046 ], [ %t135, %logic.rend6049 ]
+  br label %logic.from6050
+logic.from6050:
+  br i1 %t136, label %logic.end6052, label %logic.rhs6051
+logic.rhs6051:
+  %t137 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t137, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.3732, i64 6, i64 0 }, ptr %a139
+  store { ptr, i64, i64 } { ptr @.str.3892, i64 2, i64 0 }, ptr %a139
   %t140 = call i32 @finch_str_eq(ptr %a138, ptr %a139)
   %t141 = icmp ne i32 %t140, 0
-  br label %logic.from5697
-logic.from5697:
-  br i1 %t141, label %logic.end5699, label %logic.rhs5698
-logic.rhs5698:
-  %t142 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
-  %t143 = getelementptr inbounds %S.ast.Type, ptr %t142, i32 0, i32 0
-  %t144 = load { ptr, i64, i64 }, ptr %t143
-  store { ptr, i64, i64 } %t144, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.3733, i64 5, i64 0 }, ptr %a146
-  %t147 = call i32 @finch_str_eq(ptr %a145, ptr %a146)
-  %t148 = icmp ne i32 %t147, 0
-  br label %logic.rend5700
-logic.rend5700:
-  br label %logic.end5699
-logic.end5699:
-  %t149 = phi i1 [ true, %logic.from5697 ], [ %t148, %logic.rend5700 ]
-  br label %logic.from5701
-logic.from5701:
-  br i1 %t149, label %logic.rhs5702, label %logic.end5703
-logic.rhs5702:
-  %t150 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t150, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.3734, i64 2, i64 0 }, ptr %a152
-  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
-  %t154 = icmp ne i32 %t153, 0
-  br label %logic.from5704
-logic.from5704:
-  br i1 %t154, label %logic.end5706, label %logic.rhs5705
-logic.rhs5705:
-  %t155 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t155, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.3735, i64 2, i64 0 }, ptr %a157
-  %t158 = call i32 @finch_str_eq(ptr %a156, ptr %a157)
-  %t159 = icmp ne i32 %t158, 0
-  br label %logic.rend5707
-logic.rend5707:
-  br label %logic.end5706
-logic.end5706:
-  %t160 = phi i1 [ true, %logic.from5704 ], [ %t159, %logic.rend5707 ]
-  br label %logic.rend5708
-logic.rend5708:
-  br label %logic.end5703
-logic.end5703:
-  %t161 = phi i1 [ false, %logic.from5701 ], [ %t160, %logic.rend5708 ]
-  br i1 %t161, label %then5709, label %endif5711
-then5709:
-  %t162 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t162, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.3736, i64 31, i64 0 }, ptr %a165
-  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t166, ptr %a22
-  br label %endif5711
-endif5711:
-  %t167 = load ptr, ptr %a1
-  %t168 = load %S.ast.Node, ptr %a5
-  %t169 = load { ptr, i64, i64 }, ptr %a22
-  call void @finch.gen.fail(ptr %t167, %S.ast.Node %t168, { ptr, i64, i64 } %t169)
+  br label %logic.rend6053
+logic.rend6053:
+  br label %logic.end6052
+logic.end6052:
+  %t142 = phi i1 [ true, %logic.from6050 ], [ %t141, %logic.rend6053 ]
+  br i1 %t142, label %then6054, label %endif6056
+then6054:
+  %t143 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t143, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.3893, i64 43, i64 0 }, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a144
+  %t148 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t147, ptr %a25
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  br label %endif6056
+endif6056:
+  br label %endif6034
+endif6034:
+  %t150 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t151 = getelementptr inbounds %S.ast.Type, ptr %t150, i32 0, i32 0
+  %t152 = load { ptr, i64, i64 }, ptr %t151
+  store { ptr, i64, i64 } %t152, ptr %a153
+  store { ptr, i64, i64 } { ptr @.str.3894, i64 6, i64 0 }, ptr %a154
+  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
+  %t156 = icmp ne i32 %t155, 0
+  br label %logic.from6057
+logic.from6057:
+  br i1 %t156, label %logic.end6059, label %logic.rhs6058
+logic.rhs6058:
+  %t157 = getelementptr inbounds %S.gen.Val, ptr %a3, i32 0, i32 1
+  %t158 = getelementptr inbounds %S.ast.Type, ptr %t157, i32 0, i32 0
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t159, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.3895, i64 5, i64 0 }, ptr %a161
+  %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
+  %t163 = icmp ne i32 %t162, 0
+  br label %logic.rend6060
+logic.rend6060:
+  br label %logic.end6059
+logic.end6059:
+  %t164 = phi i1 [ true, %logic.from6057 ], [ %t163, %logic.rend6060 ]
+  br label %logic.from6061
+logic.from6061:
+  br i1 %t164, label %logic.rhs6062, label %logic.end6063
+logic.rhs6062:
+  %t165 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t165, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.3896, i64 2, i64 0 }, ptr %a167
+  %t168 = call i32 @finch_str_eq(ptr %a166, ptr %a167)
+  %t169 = icmp ne i32 %t168, 0
+  br label %logic.from6064
+logic.from6064:
+  br i1 %t169, label %logic.end6066, label %logic.rhs6065
+logic.rhs6065:
+  %t170 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t170, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.3897, i64 2, i64 0 }, ptr %a172
+  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
+  %t174 = icmp ne i32 %t173, 0
+  br label %logic.rend6067
+logic.rend6067:
+  br label %logic.end6066
+logic.end6066:
+  %t175 = phi i1 [ true, %logic.from6064 ], [ %t174, %logic.rend6067 ]
+  br label %logic.rend6068
+logic.rend6068:
+  br label %logic.end6063
+logic.end6063:
+  %t176 = phi i1 [ false, %logic.from6061 ], [ %t175, %logic.rend6068 ]
+  br i1 %t176, label %then6069, label %endif6071
+then6069:
+  %t177 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t177, ptr %a179
+  store { ptr, i64, i64 } { ptr @.str.3898, i64 31, i64 0 }, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a178
+  %t182 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t181, ptr %a25
+  store { ptr, i64, i64 } %t182, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  br label %endif6071
+endif6071:
+  %t184 = load ptr, ptr %a1
+  %t185 = load %S.ast.Node, ptr %a5
+  %t186 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch.gen.fail(ptr %t184, %S.ast.Node %t185, { ptr, i64, i64 } %t186)
+  call void @finch_str_drop(ptr %a25)
   ret void
 }
 
@@ -52070,149 +61590,161 @@ entry:
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca %S.ast.Type, align 16
   %a61 = alloca %S.ast.Type, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca %S.ast.Type, align 16
-  %a104 = alloca %S.ast.Type, align 16
-  %a138 = alloca %S.ast.Type, align 16
-  %a139 = alloca %S.ast.Type, align 16
-  %a172 = alloca %S.ast.Type, align 16
-  %a173 = alloca %S.ast.Type, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca %S.gen.Val, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca %S.ast.Type, align 16
+  %a106 = alloca %S.ast.Type, align 16
+  %a113 = alloca %S.gen.Val, align 16
+  %a142 = alloca %S.ast.Type, align 16
+  %a143 = alloca %S.ast.Type, align 16
+  %a149 = alloca %S.gen.Val, align 16
+  %a178 = alloca %S.ast.Type, align 16
+  %a179 = alloca %S.ast.Type, align 16
+  %a185 = alloca %S.gen.Val, align 16
+  %a207 = alloca %S.ast.Node, align 16
+  %a211 = alloca %S.gen.Val, align 16
+  %a233 = alloca %S.ast.Node, align 16
+  %a237 = alloca %S.gen.Val, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca %S.ast.Type, align 16
+  %a276 = alloca %S.gen.Val, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca %S.ast.Type, align 16
+  %a304 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store ptr %p1, ptr %a2
   store ptr %p2, ptr %a3
   %t4 = load ptr, ptr %a2
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic5712, label %ok5713
-panic5712:
-  call void @finch_panic(ptr @.str.3737, i64 3069, ptr @.str.3738)
+  br i1 %t5, label %panic6072, label %ok6073
+panic6072:
+  call void @finch_panic(ptr @.str.3899, i64 3324, ptr @.str.3900)
   unreachable
-ok5713:
+ok6073:
   %t6 = getelementptr inbounds %S.gen.Val, ptr %t4, i32 0, i32 1
   %t7 = load %S.ast.Type, ptr %t6
   %t8 = load ptr, ptr %a3
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic5714, label %ok5715
-panic5714:
-  call void @finch_panic(ptr @.str.3739, i64 3069, ptr @.str.3740)
+  br i1 %t9, label %panic6074, label %ok6075
+panic6074:
+  call void @finch_panic(ptr @.str.3901, i64 3324, ptr @.str.3902)
   unreachable
-ok5715:
+ok6075:
   %t10 = getelementptr inbounds %S.gen.Val, ptr %t8, i32 0, i32 1
   %t11 = load %S.ast.Type, ptr %t10
   %t12 = call i1 @finch.ast.same(%S.ast.Type %t7, %S.ast.Type %t11)
-  br i1 %t12, label %then5716, label %endif5718
-then5716:
+  br i1 %t12, label %then6076, label %endif6078
+then6076:
   ret i1 true
-endif5718:
+endif6078:
   %t13 = load ptr, ptr %a2
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic5719, label %ok5720
-panic5719:
-  call void @finch_panic(ptr @.str.3741, i64 3072, ptr @.str.3742)
+  br i1 %t14, label %panic6079, label %ok6080
+panic6079:
+  call void @finch_panic(ptr @.str.3903, i64 3327, ptr @.str.3904)
   unreachable
-ok5720:
+ok6080:
   %t15 = getelementptr inbounds %S.gen.Val, ptr %t13, i32 0, i32 1
   %t16 = load %S.ast.Type, ptr %t15
   %t17 = call i1 @finch.gen.isInt(%S.ast.Type %t16)
-  br label %logic.from5721
-logic.from5721:
-  br i1 %t17, label %logic.rhs5722, label %logic.end5723
-logic.rhs5722:
+  br label %logic.from6081
+logic.from6081:
+  br i1 %t17, label %logic.rhs6082, label %logic.end6083
+logic.rhs6082:
   %t18 = load ptr, ptr %a3
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic5724, label %ok5725
-panic5724:
-  call void @finch_panic(ptr @.str.3743, i64 3072, ptr @.str.3744)
+  br i1 %t19, label %panic6084, label %ok6085
+panic6084:
+  call void @finch_panic(ptr @.str.3905, i64 3327, ptr @.str.3906)
   unreachable
-ok5725:
+ok6085:
   %t20 = getelementptr inbounds %S.gen.Val, ptr %t18, i32 0, i32 1
   %t21 = load %S.ast.Type, ptr %t20
   %t22 = call i1 @finch.gen.isInt(%S.ast.Type %t21)
-  br label %logic.rend5726
-logic.rend5726:
-  br label %logic.end5723
-logic.end5723:
-  %t23 = phi i1 [ false, %logic.from5721 ], [ %t22, %logic.rend5726 ]
-  br i1 %t23, label %then5727, label %endif5729
-then5727:
+  br label %logic.rend6086
+logic.rend6086:
+  br label %logic.end6083
+logic.end6083:
+  %t23 = phi i1 [ false, %logic.from6081 ], [ %t22, %logic.rend6086 ]
+  br i1 %t23, label %then6087, label %endif6089
+then6087:
   %t24 = load ptr, ptr %a2
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic5730, label %ok5731
-panic5730:
-  call void @finch_panic(ptr @.str.3745, i64 3075, ptr @.str.3746)
+  br i1 %t25, label %panic6090, label %ok6091
+panic6090:
+  call void @finch_panic(ptr @.str.3907, i64 3330, ptr @.str.3908)
   unreachable
-ok5731:
+ok6091:
   %t26 = getelementptr inbounds %S.gen.Val, ptr %t24, i32 0, i32 3
   %t27 = load i1, ptr %t26
-  br label %logic.from5732
-logic.from5732:
-  br i1 %t27, label %logic.rhs5733, label %logic.end5734
-logic.rhs5733:
+  br label %logic.from6092
+logic.from6092:
+  br i1 %t27, label %logic.rhs6093, label %logic.end6094
+logic.rhs6093:
   %t28 = load ptr, ptr %a3
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic5735, label %ok5736
-panic5735:
-  call void @finch_panic(ptr @.str.3747, i64 3075, ptr @.str.3748)
+  br i1 %t29, label %panic6095, label %ok6096
+panic6095:
+  call void @finch_panic(ptr @.str.3909, i64 3330, ptr @.str.3910)
   unreachable
-ok5736:
+ok6096:
   %t30 = getelementptr inbounds %S.gen.Val, ptr %t28, i32 0, i32 3
   %t31 = load i1, ptr %t30
   %t32 = xor i1 %t31, true
-  br label %logic.rend5737
-logic.rend5737:
-  br label %logic.end5734
-logic.end5734:
-  %t33 = phi i1 [ false, %logic.from5732 ], [ %t32, %logic.rend5737 ]
-  br label %logic.from5738
-logic.from5738:
-  br i1 %t33, label %logic.rhs5739, label %logic.end5740
-logic.rhs5739:
+  br label %logic.rend6097
+logic.rend6097:
+  br label %logic.end6094
+logic.end6094:
+  %t33 = phi i1 [ false, %logic.from6092 ], [ %t32, %logic.rend6097 ]
+  br label %logic.from6098
+logic.from6098:
+  br i1 %t33, label %logic.rhs6099, label %logic.end6100
+logic.rhs6099:
   %t34 = load ptr, ptr %a2
   %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic5741, label %ok5742
-panic5741:
-  call void @finch_panic(ptr @.str.3749, i64 3075, ptr @.str.3750)
+  br i1 %t35, label %panic6101, label %ok6102
+panic6101:
+  call void @finch_panic(ptr @.str.3911, i64 3330, ptr @.str.3912)
   unreachable
-ok5742:
+ok6102:
   %t36 = getelementptr inbounds %S.gen.Val, ptr %t34, i32 0, i32 0
   %t37 = load { ptr, i64, i64 }, ptr %t36
   %t38 = load ptr, ptr %a2
   %t39 = icmp eq ptr %t38, null
-  br i1 %t39, label %panic5743, label %ok5744
-panic5743:
-  call void @finch_panic(ptr @.str.3751, i64 3075, ptr @.str.3752)
+  br i1 %t39, label %panic6103, label %ok6104
+panic6103:
+  call void @finch_panic(ptr @.str.3913, i64 3330, ptr @.str.3914)
   unreachable
-ok5744:
+ok6104:
   %t40 = getelementptr inbounds %S.gen.Val, ptr %t38, i32 0, i32 1
   %t41 = load %S.ast.Type, ptr %t40
   %t42 = load ptr, ptr %a3
   %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic5745, label %ok5746
-panic5745:
-  call void @finch_panic(ptr @.str.3753, i64 3075, ptr @.str.3754)
+  br i1 %t43, label %panic6105, label %ok6106
+panic6105:
+  call void @finch_panic(ptr @.str.3915, i64 3330, ptr @.str.3916)
   unreachable
-ok5746:
+ok6106:
   %t44 = getelementptr inbounds %S.gen.Val, ptr %t42, i32 0, i32 1
   %t45 = load %S.ast.Type, ptr %t44
   %t46 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t37, %S.ast.Type %t41, %S.ast.Type %t45)
-  br label %logic.rend5747
-logic.rend5747:
-  br label %logic.end5740
-logic.end5740:
-  %t47 = phi i1 [ false, %logic.from5738 ], [ %t46, %logic.rend5747 ]
-  br i1 %t47, label %then5748, label %endif5750
-then5748:
+  br label %logic.rend6107
+logic.rend6107:
+  br label %logic.end6100
+logic.end6100:
+  %t47 = phi i1 [ false, %logic.from6098 ], [ %t46, %logic.rend6107 ]
+  br i1 %t47, label %then6108, label %endif6110
+then6108:
   %t48 = load ptr, ptr %a2
   %t49 = icmp eq ptr %t48, null
-  br i1 %t49, label %panic5751, label %ok5752
-panic5751:
-  call void @finch_panic(ptr @.str.3755, i64 3076, ptr @.str.3756)
+  br i1 %t49, label %panic6111, label %ok6112
+panic6111:
+  call void @finch_panic(ptr @.str.3917, i64 3331, ptr @.str.3918)
   unreachable
-ok5752:
+ok6112:
   %t50 = getelementptr inbounds %S.gen.Val, ptr %t48, i32 0, i32 0
   %t51 = load { ptr, i64, i64 }, ptr %t50
   store { ptr, i64, i64 } %t51, ptr %a52
@@ -52221,11 +61753,11 @@ ok5752:
   %t55 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t54, 0
   %t56 = load ptr, ptr %a3
   %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic5753, label %ok5754
-panic5753:
-  call void @finch_panic(ptr @.str.3757, i64 3076, ptr @.str.3758)
+  br i1 %t57, label %panic6113, label %ok6114
+panic6113:
+  call void @finch_panic(ptr @.str.3919, i64 3331, ptr @.str.3920)
   unreachable
-ok5754:
+ok6114:
   %t58 = getelementptr inbounds %S.gen.Val, ptr %t56, i32 0, i32 1
   %t59 = load %S.ast.Type, ptr %t58
   store %S.ast.Type %t59, ptr %a60
@@ -52235,523 +61767,555 @@ ok5754:
   %t64 = insertvalue %S.gen.Val %t63, i1 true, 3
   %t65 = load ptr, ptr %a2
   %t66 = icmp eq ptr %t65, null
-  br i1 %t66, label %panic5755, label %ok5756
-panic5755:
-  call void @finch_panic(ptr @.str.3759, i64 3076, ptr @.str.3760)
+  br i1 %t66, label %panic6115, label %ok6116
+panic6115:
+  call void @finch_panic(ptr @.str.3921, i64 3331, ptr @.str.3922)
   unreachable
-ok5756:
+ok6116:
+  %t67 = load %S.gen.Val, ptr %t65
   store %S.gen.Val %t64, ptr %t65
+  store %S.gen.Val %t67, ptr %a68
+  call void @finch.drop.S_gen_Val(ptr %a68)
   ret i1 true
-endif5750:
-  %t67 = load ptr, ptr %a3
-  %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic5757, label %ok5758
-panic5757:
-  call void @finch_panic(ptr @.str.3761, i64 3079, ptr @.str.3762)
+endif6110:
+  %t69 = load ptr, ptr %a3
+  %t70 = icmp eq ptr %t69, null
+  br i1 %t70, label %panic6117, label %ok6118
+panic6117:
+  call void @finch_panic(ptr @.str.3923, i64 3334, ptr @.str.3924)
   unreachable
-ok5758:
-  %t69 = getelementptr inbounds %S.gen.Val, ptr %t67, i32 0, i32 3
-  %t70 = load i1, ptr %t69
-  br label %logic.from5759
-logic.from5759:
-  br i1 %t70, label %logic.rhs5760, label %logic.end5761
-logic.rhs5760:
-  %t71 = load ptr, ptr %a2
-  %t72 = icmp eq ptr %t71, null
-  br i1 %t72, label %panic5762, label %ok5763
-panic5762:
-  call void @finch_panic(ptr @.str.3763, i64 3079, ptr @.str.3764)
+ok6118:
+  %t71 = getelementptr inbounds %S.gen.Val, ptr %t69, i32 0, i32 3
+  %t72 = load i1, ptr %t71
+  br label %logic.from6119
+logic.from6119:
+  br i1 %t72, label %logic.rhs6120, label %logic.end6121
+logic.rhs6120:
+  %t73 = load ptr, ptr %a2
+  %t74 = icmp eq ptr %t73, null
+  br i1 %t74, label %panic6122, label %ok6123
+panic6122:
+  call void @finch_panic(ptr @.str.3925, i64 3334, ptr @.str.3926)
   unreachable
-ok5763:
-  %t73 = getelementptr inbounds %S.gen.Val, ptr %t71, i32 0, i32 3
-  %t74 = load i1, ptr %t73
-  %t75 = xor i1 %t74, true
-  br label %logic.rend5764
-logic.rend5764:
-  br label %logic.end5761
-logic.end5761:
-  %t76 = phi i1 [ false, %logic.from5759 ], [ %t75, %logic.rend5764 ]
-  br label %logic.from5765
-logic.from5765:
-  br i1 %t76, label %logic.rhs5766, label %logic.end5767
-logic.rhs5766:
-  %t77 = load ptr, ptr %a3
-  %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic5768, label %ok5769
-panic5768:
-  call void @finch_panic(ptr @.str.3765, i64 3079, ptr @.str.3766)
+ok6123:
+  %t75 = getelementptr inbounds %S.gen.Val, ptr %t73, i32 0, i32 3
+  %t76 = load i1, ptr %t75
+  %t77 = xor i1 %t76, true
+  br label %logic.rend6124
+logic.rend6124:
+  br label %logic.end6121
+logic.end6121:
+  %t78 = phi i1 [ false, %logic.from6119 ], [ %t77, %logic.rend6124 ]
+  br label %logic.from6125
+logic.from6125:
+  br i1 %t78, label %logic.rhs6126, label %logic.end6127
+logic.rhs6126:
+  %t79 = load ptr, ptr %a3
+  %t80 = icmp eq ptr %t79, null
+  br i1 %t80, label %panic6128, label %ok6129
+panic6128:
+  call void @finch_panic(ptr @.str.3927, i64 3334, ptr @.str.3928)
   unreachable
-ok5769:
-  %t79 = getelementptr inbounds %S.gen.Val, ptr %t77, i32 0, i32 0
-  %t80 = load { ptr, i64, i64 }, ptr %t79
-  %t81 = load ptr, ptr %a3
-  %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic5770, label %ok5771
-panic5770:
-  call void @finch_panic(ptr @.str.3767, i64 3079, ptr @.str.3768)
+ok6129:
+  %t81 = getelementptr inbounds %S.gen.Val, ptr %t79, i32 0, i32 0
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  %t83 = load ptr, ptr %a3
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic6130, label %ok6131
+panic6130:
+  call void @finch_panic(ptr @.str.3929, i64 3334, ptr @.str.3930)
   unreachable
-ok5771:
-  %t83 = getelementptr inbounds %S.gen.Val, ptr %t81, i32 0, i32 1
-  %t84 = load %S.ast.Type, ptr %t83
-  %t85 = load ptr, ptr %a2
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic5772, label %ok5773
-panic5772:
-  call void @finch_panic(ptr @.str.3769, i64 3079, ptr @.str.3770)
+ok6131:
+  %t85 = getelementptr inbounds %S.gen.Val, ptr %t83, i32 0, i32 1
+  %t86 = load %S.ast.Type, ptr %t85
+  %t87 = load ptr, ptr %a2
+  %t88 = icmp eq ptr %t87, null
+  br i1 %t88, label %panic6132, label %ok6133
+panic6132:
+  call void @finch_panic(ptr @.str.3931, i64 3334, ptr @.str.3932)
   unreachable
-ok5773:
-  %t87 = getelementptr inbounds %S.gen.Val, ptr %t85, i32 0, i32 1
-  %t88 = load %S.ast.Type, ptr %t87
-  %t89 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t80, %S.ast.Type %t84, %S.ast.Type %t88)
-  br label %logic.rend5774
-logic.rend5774:
-  br label %logic.end5767
-logic.end5767:
-  %t90 = phi i1 [ false, %logic.from5765 ], [ %t89, %logic.rend5774 ]
-  br i1 %t90, label %then5775, label %endif5777
-then5775:
-  %t91 = load ptr, ptr %a3
-  %t92 = icmp eq ptr %t91, null
-  br i1 %t92, label %panic5778, label %ok5779
-panic5778:
-  call void @finch_panic(ptr @.str.3771, i64 3080, ptr @.str.3772)
+ok6133:
+  %t89 = getelementptr inbounds %S.gen.Val, ptr %t87, i32 0, i32 1
+  %t90 = load %S.ast.Type, ptr %t89
+  %t91 = call i1 @finch.gen.fits({ ptr, i64, i64 } %t82, %S.ast.Type %t86, %S.ast.Type %t90)
+  br label %logic.rend6134
+logic.rend6134:
+  br label %logic.end6127
+logic.end6127:
+  %t92 = phi i1 [ false, %logic.from6125 ], [ %t91, %logic.rend6134 ]
+  br i1 %t92, label %then6135, label %endif6137
+then6135:
+  %t93 = load ptr, ptr %a3
+  %t94 = icmp eq ptr %t93, null
+  br i1 %t94, label %panic6138, label %ok6139
+panic6138:
+  call void @finch_panic(ptr @.str.3933, i64 3335, ptr @.str.3934)
   unreachable
-ok5779:
-  %t93 = getelementptr inbounds %S.gen.Val, ptr %t91, i32 0, i32 0
-  %t94 = load { ptr, i64, i64 }, ptr %t93
-  store { ptr, i64, i64 } %t94, ptr %a95
-  call void @finch_str_copy(ptr %a96, ptr %a95)
-  %t97 = load { ptr, i64, i64 }, ptr %a96
-  %t98 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t97, 0
-  %t99 = load ptr, ptr %a2
-  %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic5780, label %ok5781
-panic5780:
-  call void @finch_panic(ptr @.str.3773, i64 3080, ptr @.str.3774)
+ok6139:
+  %t95 = getelementptr inbounds %S.gen.Val, ptr %t93, i32 0, i32 0
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } %t96, ptr %a97
+  call void @finch_str_copy(ptr %a98, ptr %a97)
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  %t100 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t99, 0
+  %t101 = load ptr, ptr %a2
+  %t102 = icmp eq ptr %t101, null
+  br i1 %t102, label %panic6140, label %ok6141
+panic6140:
+  call void @finch_panic(ptr @.str.3935, i64 3335, ptr @.str.3936)
   unreachable
-ok5781:
-  %t101 = getelementptr inbounds %S.gen.Val, ptr %t99, i32 0, i32 1
-  %t102 = load %S.ast.Type, ptr %t101
-  store %S.ast.Type %t102, ptr %a103
-  call void @finch.copy.S_ast_Type(ptr %a104, ptr %a103)
-  %t105 = load %S.ast.Type, ptr %a104
-  %t106 = insertvalue %S.gen.Val %t98, %S.ast.Type %t105, 1
-  %t107 = insertvalue %S.gen.Val %t106, i1 true, 3
-  %t108 = load ptr, ptr %a3
-  %t109 = icmp eq ptr %t108, null
-  br i1 %t109, label %panic5782, label %ok5783
-panic5782:
-  call void @finch_panic(ptr @.str.3775, i64 3080, ptr @.str.3776)
-  unreachable
-ok5783:
-  store %S.gen.Val %t107, ptr %t108
-  ret i1 true
-endif5777:
-  %t110 = load ptr, ptr %a2
+ok6141:
+  %t103 = getelementptr inbounds %S.gen.Val, ptr %t101, i32 0, i32 1
+  %t104 = load %S.ast.Type, ptr %t103
+  store %S.ast.Type %t104, ptr %a105
+  call void @finch.copy.S_ast_Type(ptr %a106, ptr %a105)
+  %t107 = load %S.ast.Type, ptr %a106
+  %t108 = insertvalue %S.gen.Val %t100, %S.ast.Type %t107, 1
+  %t109 = insertvalue %S.gen.Val %t108, i1 true, 3
+  %t110 = load ptr, ptr %a3
   %t111 = icmp eq ptr %t110, null
-  br i1 %t111, label %panic5784, label %ok5785
-panic5784:
-  call void @finch_panic(ptr @.str.3777, i64 3083, ptr @.str.3778)
+  br i1 %t111, label %panic6142, label %ok6143
+panic6142:
+  call void @finch_panic(ptr @.str.3937, i64 3335, ptr @.str.3938)
   unreachable
-ok5785:
-  %t112 = getelementptr inbounds %S.gen.Val, ptr %t110, i32 0, i32 1
-  %t113 = load %S.ast.Type, ptr %t112
-  %t114 = load ptr, ptr %a3
+ok6143:
+  %t112 = load %S.gen.Val, ptr %t110
+  store %S.gen.Val %t109, ptr %t110
+  store %S.gen.Val %t112, ptr %a113
+  call void @finch.drop.S_gen_Val(ptr %a113)
+  ret i1 true
+endif6137:
+  %t114 = load ptr, ptr %a2
   %t115 = icmp eq ptr %t114, null
-  br i1 %t115, label %panic5786, label %ok5787
-panic5786:
-  call void @finch_panic(ptr @.str.3779, i64 3083, ptr @.str.3780)
+  br i1 %t115, label %panic6144, label %ok6145
+panic6144:
+  call void @finch_panic(ptr @.str.3939, i64 3338, ptr @.str.3940)
   unreachable
-ok5787:
+ok6145:
   %t116 = getelementptr inbounds %S.gen.Val, ptr %t114, i32 0, i32 1
   %t117 = load %S.ast.Type, ptr %t116
-  %t118 = call i1 @finch.gen.widens(%S.ast.Type %t113, %S.ast.Type %t117)
-  br i1 %t118, label %then5788, label %endif5790
-then5788:
-  %t119 = load ptr, ptr %a1
-  %t120 = load ptr, ptr %a2
-  %t121 = icmp eq ptr %t120, null
-  br i1 %t121, label %panic5791, label %ok5792
-panic5791:
-  call void @finch_panic(ptr @.str.3781, i64 3084, ptr @.str.3782)
+  %t118 = load ptr, ptr %a3
+  %t119 = icmp eq ptr %t118, null
+  br i1 %t119, label %panic6146, label %ok6147
+panic6146:
+  call void @finch_panic(ptr @.str.3941, i64 3338, ptr @.str.3942)
   unreachable
-ok5792:
-  %t122 = getelementptr inbounds %S.gen.Val, ptr %t120, i32 0, i32 0
-  %t123 = load { ptr, i64, i64 }, ptr %t122
+ok6147:
+  %t120 = getelementptr inbounds %S.gen.Val, ptr %t118, i32 0, i32 1
+  %t121 = load %S.ast.Type, ptr %t120
+  %t122 = call i1 @finch.gen.widens(%S.ast.Type %t117, %S.ast.Type %t121)
+  br i1 %t122, label %then6148, label %endif6150
+then6148:
+  %t123 = load ptr, ptr %a1
   %t124 = load ptr, ptr %a2
   %t125 = icmp eq ptr %t124, null
-  br i1 %t125, label %panic5793, label %ok5794
-panic5793:
-  call void @finch_panic(ptr @.str.3783, i64 3084, ptr @.str.3784)
+  br i1 %t125, label %panic6151, label %ok6152
+panic6151:
+  call void @finch_panic(ptr @.str.3943, i64 3339, ptr @.str.3944)
   unreachable
-ok5794:
-  %t126 = getelementptr inbounds %S.gen.Val, ptr %t124, i32 0, i32 1
-  %t127 = load %S.ast.Type, ptr %t126
-  %t128 = load ptr, ptr %a3
+ok6152:
+  %t126 = getelementptr inbounds %S.gen.Val, ptr %t124, i32 0, i32 0
+  %t127 = load { ptr, i64, i64 }, ptr %t126
+  %t128 = load ptr, ptr %a2
   %t129 = icmp eq ptr %t128, null
-  br i1 %t129, label %panic5795, label %ok5796
-panic5795:
-  call void @finch_panic(ptr @.str.3785, i64 3084, ptr @.str.3786)
+  br i1 %t129, label %panic6153, label %ok6154
+panic6153:
+  call void @finch_panic(ptr @.str.3945, i64 3339, ptr @.str.3946)
   unreachable
-ok5796:
+ok6154:
   %t130 = getelementptr inbounds %S.gen.Val, ptr %t128, i32 0, i32 1
   %t131 = load %S.ast.Type, ptr %t130
-  %t132 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t119, { ptr, i64, i64 } %t123, %S.ast.Type %t127, %S.ast.Type %t131)
-  %t133 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t132, 0
-  %t134 = load ptr, ptr %a3
-  %t135 = icmp eq ptr %t134, null
-  br i1 %t135, label %panic5797, label %ok5798
-panic5797:
-  call void @finch_panic(ptr @.str.3787, i64 3084, ptr @.str.3788)
+  %t132 = load ptr, ptr %a3
+  %t133 = icmp eq ptr %t132, null
+  br i1 %t133, label %panic6155, label %ok6156
+panic6155:
+  call void @finch_panic(ptr @.str.3947, i64 3339, ptr @.str.3948)
   unreachable
-ok5798:
-  %t136 = getelementptr inbounds %S.gen.Val, ptr %t134, i32 0, i32 1
-  %t137 = load %S.ast.Type, ptr %t136
-  store %S.ast.Type %t137, ptr %a138
-  call void @finch.copy.S_ast_Type(ptr %a139, ptr %a138)
-  %t140 = load %S.ast.Type, ptr %a139
-  %t141 = insertvalue %S.gen.Val %t133, %S.ast.Type %t140, 1
-  %t142 = load ptr, ptr %a2
-  %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic5799, label %ok5800
-panic5799:
-  call void @finch_panic(ptr @.str.3789, i64 3084, ptr @.str.3790)
+ok6156:
+  %t134 = getelementptr inbounds %S.gen.Val, ptr %t132, i32 0, i32 1
+  %t135 = load %S.ast.Type, ptr %t134
+  %t136 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t123, { ptr, i64, i64 } %t127, %S.ast.Type %t131, %S.ast.Type %t135)
+  %t137 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t136, 0
+  %t138 = load ptr, ptr %a3
+  %t139 = icmp eq ptr %t138, null
+  br i1 %t139, label %panic6157, label %ok6158
+panic6157:
+  call void @finch_panic(ptr @.str.3949, i64 3339, ptr @.str.3950)
   unreachable
-ok5800:
-  store %S.gen.Val %t141, ptr %t142
+ok6158:
+  %t140 = getelementptr inbounds %S.gen.Val, ptr %t138, i32 0, i32 1
+  %t141 = load %S.ast.Type, ptr %t140
+  store %S.ast.Type %t141, ptr %a142
+  call void @finch.copy.S_ast_Type(ptr %a143, ptr %a142)
+  %t144 = load %S.ast.Type, ptr %a143
+  %t145 = insertvalue %S.gen.Val %t137, %S.ast.Type %t144, 1
+  %t146 = load ptr, ptr %a2
+  %t147 = icmp eq ptr %t146, null
+  br i1 %t147, label %panic6159, label %ok6160
+panic6159:
+  call void @finch_panic(ptr @.str.3951, i64 3339, ptr @.str.3952)
+  unreachable
+ok6160:
+  %t148 = load %S.gen.Val, ptr %t146
+  store %S.gen.Val %t145, ptr %t146
+  store %S.gen.Val %t148, ptr %a149
+  call void @finch.drop.S_gen_Val(ptr %a149)
   ret i1 true
-endif5790:
-  %t144 = load ptr, ptr %a3
-  %t145 = icmp eq ptr %t144, null
-  br i1 %t145, label %panic5801, label %ok5802
-panic5801:
-  call void @finch_panic(ptr @.str.3791, i64 3087, ptr @.str.3792)
+endif6150:
+  %t150 = load ptr, ptr %a3
+  %t151 = icmp eq ptr %t150, null
+  br i1 %t151, label %panic6161, label %ok6162
+panic6161:
+  call void @finch_panic(ptr @.str.3953, i64 3342, ptr @.str.3954)
   unreachable
-ok5802:
-  %t146 = getelementptr inbounds %S.gen.Val, ptr %t144, i32 0, i32 1
-  %t147 = load %S.ast.Type, ptr %t146
-  %t148 = load ptr, ptr %a2
-  %t149 = icmp eq ptr %t148, null
-  br i1 %t149, label %panic5803, label %ok5804
-panic5803:
-  call void @finch_panic(ptr @.str.3793, i64 3087, ptr @.str.3794)
-  unreachable
-ok5804:
-  %t150 = getelementptr inbounds %S.gen.Val, ptr %t148, i32 0, i32 1
-  %t151 = load %S.ast.Type, ptr %t150
-  %t152 = call i1 @finch.gen.widens(%S.ast.Type %t147, %S.ast.Type %t151)
-  br i1 %t152, label %then5805, label %endif5807
-then5805:
-  %t153 = load ptr, ptr %a1
-  %t154 = load ptr, ptr %a3
+ok6162:
+  %t152 = getelementptr inbounds %S.gen.Val, ptr %t150, i32 0, i32 1
+  %t153 = load %S.ast.Type, ptr %t152
+  %t154 = load ptr, ptr %a2
   %t155 = icmp eq ptr %t154, null
-  br i1 %t155, label %panic5808, label %ok5809
-panic5808:
-  call void @finch_panic(ptr @.str.3795, i64 3088, ptr @.str.3796)
+  br i1 %t155, label %panic6163, label %ok6164
+panic6163:
+  call void @finch_panic(ptr @.str.3955, i64 3342, ptr @.str.3956)
   unreachable
-ok5809:
-  %t156 = getelementptr inbounds %S.gen.Val, ptr %t154, i32 0, i32 0
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  %t158 = load ptr, ptr %a3
-  %t159 = icmp eq ptr %t158, null
-  br i1 %t159, label %panic5810, label %ok5811
-panic5810:
-  call void @finch_panic(ptr @.str.3797, i64 3088, ptr @.str.3798)
+ok6164:
+  %t156 = getelementptr inbounds %S.gen.Val, ptr %t154, i32 0, i32 1
+  %t157 = load %S.ast.Type, ptr %t156
+  %t158 = call i1 @finch.gen.widens(%S.ast.Type %t153, %S.ast.Type %t157)
+  br i1 %t158, label %then6165, label %endif6167
+then6165:
+  %t159 = load ptr, ptr %a1
+  %t160 = load ptr, ptr %a3
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic6168, label %ok6169
+panic6168:
+  call void @finch_panic(ptr @.str.3957, i64 3343, ptr @.str.3958)
   unreachable
-ok5811:
-  %t160 = getelementptr inbounds %S.gen.Val, ptr %t158, i32 0, i32 1
-  %t161 = load %S.ast.Type, ptr %t160
-  %t162 = load ptr, ptr %a2
-  %t163 = icmp eq ptr %t162, null
-  br i1 %t163, label %panic5812, label %ok5813
-panic5812:
-  call void @finch_panic(ptr @.str.3799, i64 3088, ptr @.str.3800)
+ok6169:
+  %t162 = getelementptr inbounds %S.gen.Val, ptr %t160, i32 0, i32 0
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  %t164 = load ptr, ptr %a3
+  %t165 = icmp eq ptr %t164, null
+  br i1 %t165, label %panic6170, label %ok6171
+panic6170:
+  call void @finch_panic(ptr @.str.3959, i64 3343, ptr @.str.3960)
   unreachable
-ok5813:
-  %t164 = getelementptr inbounds %S.gen.Val, ptr %t162, i32 0, i32 1
-  %t165 = load %S.ast.Type, ptr %t164
-  %t166 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t153, { ptr, i64, i64 } %t157, %S.ast.Type %t161, %S.ast.Type %t165)
-  %t167 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t166, 0
+ok6171:
+  %t166 = getelementptr inbounds %S.gen.Val, ptr %t164, i32 0, i32 1
+  %t167 = load %S.ast.Type, ptr %t166
   %t168 = load ptr, ptr %a2
   %t169 = icmp eq ptr %t168, null
-  br i1 %t169, label %panic5814, label %ok5815
-panic5814:
-  call void @finch_panic(ptr @.str.3801, i64 3088, ptr @.str.3802)
+  br i1 %t169, label %panic6172, label %ok6173
+panic6172:
+  call void @finch_panic(ptr @.str.3961, i64 3343, ptr @.str.3962)
   unreachable
-ok5815:
+ok6173:
   %t170 = getelementptr inbounds %S.gen.Val, ptr %t168, i32 0, i32 1
   %t171 = load %S.ast.Type, ptr %t170
-  store %S.ast.Type %t171, ptr %a172
-  call void @finch.copy.S_ast_Type(ptr %a173, ptr %a172)
-  %t174 = load %S.ast.Type, ptr %a173
-  %t175 = insertvalue %S.gen.Val %t167, %S.ast.Type %t174, 1
-  %t176 = load ptr, ptr %a3
-  %t177 = icmp eq ptr %t176, null
-  br i1 %t177, label %panic5816, label %ok5817
-panic5816:
-  call void @finch_panic(ptr @.str.3803, i64 3088, ptr @.str.3804)
+  %t172 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t159, { ptr, i64, i64 } %t163, %S.ast.Type %t167, %S.ast.Type %t171)
+  %t173 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t172, 0
+  %t174 = load ptr, ptr %a2
+  %t175 = icmp eq ptr %t174, null
+  br i1 %t175, label %panic6174, label %ok6175
+panic6174:
+  call void @finch_panic(ptr @.str.3963, i64 3343, ptr @.str.3964)
   unreachable
-ok5817:
-  store %S.gen.Val %t175, ptr %t176
+ok6175:
+  %t176 = getelementptr inbounds %S.gen.Val, ptr %t174, i32 0, i32 1
+  %t177 = load %S.ast.Type, ptr %t176
+  store %S.ast.Type %t177, ptr %a178
+  call void @finch.copy.S_ast_Type(ptr %a179, ptr %a178)
+  %t180 = load %S.ast.Type, ptr %a179
+  %t181 = insertvalue %S.gen.Val %t173, %S.ast.Type %t180, 1
+  %t182 = load ptr, ptr %a3
+  %t183 = icmp eq ptr %t182, null
+  br i1 %t183, label %panic6176, label %ok6177
+panic6176:
+  call void @finch_panic(ptr @.str.3965, i64 3343, ptr @.str.3966)
+  unreachable
+ok6177:
+  %t184 = load %S.gen.Val, ptr %t182
+  store %S.gen.Val %t181, ptr %t182
+  store %S.gen.Val %t184, ptr %a185
+  call void @finch.drop.S_gen_Val(ptr %a185)
   ret i1 true
-endif5807:
+endif6167:
   ret i1 false
-endif5729:
-  %t178 = load ptr, ptr %a2
-  %t179 = icmp eq ptr %t178, null
-  br i1 %t179, label %panic5818, label %ok5819
-panic5818:
-  call void @finch_panic(ptr @.str.3805, i64 3093, ptr @.str.3806)
+endif6089:
+  %t186 = load ptr, ptr %a2
+  %t187 = icmp eq ptr %t186, null
+  br i1 %t187, label %panic6178, label %ok6179
+panic6178:
+  call void @finch_panic(ptr @.str.3967, i64 3348, ptr @.str.3968)
   unreachable
-ok5819:
-  %t180 = getelementptr inbounds %S.gen.Val, ptr %t178, i32 0, i32 1
-  %t181 = load %S.ast.Type, ptr %t180
-  %t182 = call i1 @finch.gen.isInt(%S.ast.Type %t181)
-  br label %logic.from5820
-logic.from5820:
-  br i1 %t182, label %logic.rhs5821, label %logic.end5822
-logic.rhs5821:
-  %t183 = load ptr, ptr %a3
-  %t184 = icmp eq ptr %t183, null
-  br i1 %t184, label %panic5823, label %ok5824
-panic5823:
-  call void @finch_panic(ptr @.str.3807, i64 3093, ptr @.str.3808)
+ok6179:
+  %t188 = getelementptr inbounds %S.gen.Val, ptr %t186, i32 0, i32 1
+  %t189 = load %S.ast.Type, ptr %t188
+  %t190 = call i1 @finch.gen.isInt(%S.ast.Type %t189)
+  br label %logic.from6180
+logic.from6180:
+  br i1 %t190, label %logic.rhs6181, label %logic.end6182
+logic.rhs6181:
+  %t191 = load ptr, ptr %a3
+  %t192 = icmp eq ptr %t191, null
+  br i1 %t192, label %panic6183, label %ok6184
+panic6183:
+  call void @finch_panic(ptr @.str.3969, i64 3348, ptr @.str.3970)
   unreachable
-ok5824:
-  %t185 = getelementptr inbounds %S.gen.Val, ptr %t183, i32 0, i32 1
-  %t186 = load %S.ast.Type, ptr %t185
-  %t187 = call i1 @finch.gen.isFloat(%S.ast.Type %t186)
-  br label %logic.rend5825
-logic.rend5825:
-  br label %logic.end5822
-logic.end5822:
-  %t188 = phi i1 [ false, %logic.from5820 ], [ %t187, %logic.rend5825 ]
-  br i1 %t188, label %then5826, label %endif5828
-then5826:
-  %t189 = load ptr, ptr %a1
-  %t190 = load ptr, ptr %a2
-  %t191 = icmp eq ptr %t190, null
-  br i1 %t191, label %panic5829, label %ok5830
-panic5829:
-  call void @finch_panic(ptr @.str.3809, i64 3094, ptr @.str.3810)
+ok6184:
+  %t193 = getelementptr inbounds %S.gen.Val, ptr %t191, i32 0, i32 1
+  %t194 = load %S.ast.Type, ptr %t193
+  %t195 = call i1 @finch.gen.isFloat(%S.ast.Type %t194)
+  br label %logic.rend6185
+logic.rend6185:
+  br label %logic.end6182
+logic.end6182:
+  %t196 = phi i1 [ false, %logic.from6180 ], [ %t195, %logic.rend6185 ]
+  br i1 %t196, label %then6186, label %endif6188
+then6186:
+  %t197 = load ptr, ptr %a1
+  %t198 = load ptr, ptr %a2
+  %t199 = icmp eq ptr %t198, null
+  br i1 %t199, label %panic6189, label %ok6190
+panic6189:
+  call void @finch_panic(ptr @.str.3971, i64 3349, ptr @.str.3972)
   unreachable
-ok5830:
-  %t192 = load %S.gen.Val, ptr %t190
-  %t193 = load ptr, ptr %a3
-  %t194 = icmp eq ptr %t193, null
-  br i1 %t194, label %panic5831, label %ok5832
-panic5831:
-  call void @finch_panic(ptr @.str.3811, i64 3094, ptr @.str.3812)
-  unreachable
-ok5832:
-  %t195 = getelementptr inbounds %S.gen.Val, ptr %t193, i32 0, i32 1
-  %t196 = load %S.ast.Type, ptr %t195
-  %t197 = call %S.ast.Node @finch.gen.Node0()
-  %t198 = call %S.gen.Val @finch.gen.coerce(ptr %t189, %S.gen.Val %t192, %S.ast.Type %t196, %S.ast.Node %t197, { ptr, i64, i64 } { ptr @.str.3813, i64 0, i64 0 })
-  %t199 = load ptr, ptr %a2
-  %t200 = icmp eq ptr %t199, null
-  br i1 %t200, label %panic5833, label %ok5834
-panic5833:
-  call void @finch_panic(ptr @.str.3814, i64 3094, ptr @.str.3815)
-  unreachable
-ok5834:
-  store %S.gen.Val %t198, ptr %t199
-  ret i1 true
-endif5828:
-  %t201 = load ptr, ptr %a2
+ok6190:
+  %t200 = load %S.gen.Val, ptr %t198
+  %t201 = load ptr, ptr %a3
   %t202 = icmp eq ptr %t201, null
-  br i1 %t202, label %panic5835, label %ok5836
-panic5835:
-  call void @finch_panic(ptr @.str.3816, i64 3097, ptr @.str.3817)
+  br i1 %t202, label %panic6191, label %ok6192
+panic6191:
+  call void @finch_panic(ptr @.str.3973, i64 3349, ptr @.str.3974)
   unreachable
-ok5836:
+ok6192:
   %t203 = getelementptr inbounds %S.gen.Val, ptr %t201, i32 0, i32 1
   %t204 = load %S.ast.Type, ptr %t203
-  %t205 = call i1 @finch.gen.isFloat(%S.ast.Type %t204)
-  br label %logic.from5837
-logic.from5837:
-  br i1 %t205, label %logic.rhs5838, label %logic.end5839
-logic.rhs5838:
-  %t206 = load ptr, ptr %a3
-  %t207 = icmp eq ptr %t206, null
-  br i1 %t207, label %panic5840, label %ok5841
-panic5840:
-  call void @finch_panic(ptr @.str.3818, i64 3097, ptr @.str.3819)
+  %t205 = call %S.ast.Node @finch.gen.Node0()
+  %t206 = call %S.gen.Val @finch.gen.coerce(ptr %t197, %S.gen.Val %t200, %S.ast.Type %t204, %S.ast.Node %t205, { ptr, i64, i64 } { ptr @.str.3975, i64 0, i64 0 })
+  store %S.ast.Node %t205, ptr %a207
+  call void @finch.drop.S_ast_Node(ptr %a207)
+  %t208 = load ptr, ptr %a2
+  %t209 = icmp eq ptr %t208, null
+  br i1 %t209, label %panic6193, label %ok6194
+panic6193:
+  call void @finch_panic(ptr @.str.3976, i64 3349, ptr @.str.3977)
   unreachable
-ok5841:
-  %t208 = getelementptr inbounds %S.gen.Val, ptr %t206, i32 0, i32 1
-  %t209 = load %S.ast.Type, ptr %t208
-  %t210 = call i1 @finch.gen.isInt(%S.ast.Type %t209)
-  br label %logic.rend5842
-logic.rend5842:
-  br label %logic.end5839
-logic.end5839:
-  %t211 = phi i1 [ false, %logic.from5837 ], [ %t210, %logic.rend5842 ]
-  br i1 %t211, label %then5843, label %endif5845
-then5843:
-  %t212 = load ptr, ptr %a1
-  %t213 = load ptr, ptr %a3
-  %t214 = icmp eq ptr %t213, null
-  br i1 %t214, label %panic5846, label %ok5847
-panic5846:
-  call void @finch_panic(ptr @.str.3820, i64 3098, ptr @.str.3821)
-  unreachable
-ok5847:
-  %t215 = load %S.gen.Val, ptr %t213
-  %t216 = load ptr, ptr %a2
-  %t217 = icmp eq ptr %t216, null
-  br i1 %t217, label %panic5848, label %ok5849
-panic5848:
-  call void @finch_panic(ptr @.str.3822, i64 3098, ptr @.str.3823)
-  unreachable
-ok5849:
-  %t218 = getelementptr inbounds %S.gen.Val, ptr %t216, i32 0, i32 1
-  %t219 = load %S.ast.Type, ptr %t218
-  %t220 = call %S.ast.Node @finch.gen.Node0()
-  %t221 = call %S.gen.Val @finch.gen.coerce(ptr %t212, %S.gen.Val %t215, %S.ast.Type %t219, %S.ast.Node %t220, { ptr, i64, i64 } { ptr @.str.3824, i64 0, i64 0 })
-  %t222 = load ptr, ptr %a3
-  %t223 = icmp eq ptr %t222, null
-  br i1 %t223, label %panic5850, label %ok5851
-panic5850:
-  call void @finch_panic(ptr @.str.3825, i64 3098, ptr @.str.3826)
-  unreachable
-ok5851:
-  store %S.gen.Val %t221, ptr %t222
+ok6194:
+  %t210 = load %S.gen.Val, ptr %t208
+  store %S.gen.Val %t206, ptr %t208
+  store %S.gen.Val %t210, ptr %a211
+  call void @finch.drop.S_gen_Val(ptr %a211)
   ret i1 true
-endif5845:
-  %t224 = load ptr, ptr %a2
+endif6188:
+  %t212 = load ptr, ptr %a2
+  %t213 = icmp eq ptr %t212, null
+  br i1 %t213, label %panic6195, label %ok6196
+panic6195:
+  call void @finch_panic(ptr @.str.3978, i64 3352, ptr @.str.3979)
+  unreachable
+ok6196:
+  %t214 = getelementptr inbounds %S.gen.Val, ptr %t212, i32 0, i32 1
+  %t215 = load %S.ast.Type, ptr %t214
+  %t216 = call i1 @finch.gen.isFloat(%S.ast.Type %t215)
+  br label %logic.from6197
+logic.from6197:
+  br i1 %t216, label %logic.rhs6198, label %logic.end6199
+logic.rhs6198:
+  %t217 = load ptr, ptr %a3
+  %t218 = icmp eq ptr %t217, null
+  br i1 %t218, label %panic6200, label %ok6201
+panic6200:
+  call void @finch_panic(ptr @.str.3980, i64 3352, ptr @.str.3981)
+  unreachable
+ok6201:
+  %t219 = getelementptr inbounds %S.gen.Val, ptr %t217, i32 0, i32 1
+  %t220 = load %S.ast.Type, ptr %t219
+  %t221 = call i1 @finch.gen.isInt(%S.ast.Type %t220)
+  br label %logic.rend6202
+logic.rend6202:
+  br label %logic.end6199
+logic.end6199:
+  %t222 = phi i1 [ false, %logic.from6197 ], [ %t221, %logic.rend6202 ]
+  br i1 %t222, label %then6203, label %endif6205
+then6203:
+  %t223 = load ptr, ptr %a1
+  %t224 = load ptr, ptr %a3
   %t225 = icmp eq ptr %t224, null
-  br i1 %t225, label %panic5852, label %ok5853
-panic5852:
-  call void @finch_panic(ptr @.str.3827, i64 3101, ptr @.str.3828)
+  br i1 %t225, label %panic6206, label %ok6207
+panic6206:
+  call void @finch_panic(ptr @.str.3982, i64 3353, ptr @.str.3983)
   unreachable
-ok5853:
-  %t226 = getelementptr inbounds %S.gen.Val, ptr %t224, i32 0, i32 1
-  %t227 = load %S.ast.Type, ptr %t226
-  %t228 = call i1 @finch.gen.isFloat(%S.ast.Type %t227)
-  br label %logic.from5854
-logic.from5854:
-  br i1 %t228, label %logic.rhs5855, label %logic.end5856
-logic.rhs5855:
-  %t229 = load ptr, ptr %a3
-  %t230 = icmp eq ptr %t229, null
-  br i1 %t230, label %panic5857, label %ok5858
-panic5857:
-  call void @finch_panic(ptr @.str.3829, i64 3101, ptr @.str.3830)
+ok6207:
+  %t226 = load %S.gen.Val, ptr %t224
+  %t227 = load ptr, ptr %a2
+  %t228 = icmp eq ptr %t227, null
+  br i1 %t228, label %panic6208, label %ok6209
+panic6208:
+  call void @finch_panic(ptr @.str.3984, i64 3353, ptr @.str.3985)
   unreachable
-ok5858:
-  %t231 = getelementptr inbounds %S.gen.Val, ptr %t229, i32 0, i32 1
-  %t232 = load %S.ast.Type, ptr %t231
-  %t233 = call i1 @finch.gen.isFloat(%S.ast.Type %t232)
-  br label %logic.rend5859
-logic.rend5859:
-  br label %logic.end5856
-logic.end5856:
-  %t234 = phi i1 [ false, %logic.from5854 ], [ %t233, %logic.rend5859 ]
-  br i1 %t234, label %then5860, label %endif5862
-then5860:
-  %t235 = load ptr, ptr %a2
-  %t236 = icmp eq ptr %t235, null
-  br i1 %t236, label %panic5863, label %ok5864
-panic5863:
-  call void @finch_panic(ptr @.str.3831, i64 3102, ptr @.str.3832)
+ok6209:
+  %t229 = getelementptr inbounds %S.gen.Val, ptr %t227, i32 0, i32 1
+  %t230 = load %S.ast.Type, ptr %t229
+  %t231 = call %S.ast.Node @finch.gen.Node0()
+  %t232 = call %S.gen.Val @finch.gen.coerce(ptr %t223, %S.gen.Val %t226, %S.ast.Type %t230, %S.ast.Node %t231, { ptr, i64, i64 } { ptr @.str.3986, i64 0, i64 0 })
+  store %S.ast.Node %t231, ptr %a233
+  call void @finch.drop.S_ast_Node(ptr %a233)
+  %t234 = load ptr, ptr %a3
+  %t235 = icmp eq ptr %t234, null
+  br i1 %t235, label %panic6210, label %ok6211
+panic6210:
+  call void @finch_panic(ptr @.str.3987, i64 3353, ptr @.str.3988)
   unreachable
-ok5864:
-  %t237 = getelementptr inbounds %S.gen.Val, ptr %t235, i32 0, i32 1
-  %t238 = getelementptr inbounds %S.ast.Type, ptr %t237, i32 0, i32 0
-  %t239 = load { ptr, i64, i64 }, ptr %t238
-  store { ptr, i64, i64 } %t239, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.3833, i64 3, i64 0 }, ptr %a241
-  %t242 = call i32 @finch_str_eq(ptr %a240, ptr %a241)
-  %t243 = icmp ne i32 %t242, 0
-  br i1 %t243, label %then5865, label %endif5867
-then5865:
-  %t244 = load ptr, ptr %a1
-  %t245 = load ptr, ptr %a2
-  %t246 = icmp eq ptr %t245, null
-  br i1 %t246, label %panic5868, label %ok5869
-panic5868:
-  call void @finch_panic(ptr @.str.3834, i64 3103, ptr @.str.3835)
+ok6211:
+  %t236 = load %S.gen.Val, ptr %t234
+  store %S.gen.Val %t232, ptr %t234
+  store %S.gen.Val %t236, ptr %a237
+  call void @finch.drop.S_gen_Val(ptr %a237)
+  ret i1 true
+endif6205:
+  %t238 = load ptr, ptr %a2
+  %t239 = icmp eq ptr %t238, null
+  br i1 %t239, label %panic6212, label %ok6213
+panic6212:
+  call void @finch_panic(ptr @.str.3989, i64 3356, ptr @.str.3990)
   unreachable
-ok5869:
-  %t247 = getelementptr inbounds %S.gen.Val, ptr %t245, i32 0, i32 0
-  %t248 = load { ptr, i64, i64 }, ptr %t247
+ok6213:
+  %t240 = getelementptr inbounds %S.gen.Val, ptr %t238, i32 0, i32 1
+  %t241 = load %S.ast.Type, ptr %t240
+  %t242 = call i1 @finch.gen.isFloat(%S.ast.Type %t241)
+  br label %logic.from6214
+logic.from6214:
+  br i1 %t242, label %logic.rhs6215, label %logic.end6216
+logic.rhs6215:
+  %t243 = load ptr, ptr %a3
+  %t244 = icmp eq ptr %t243, null
+  br i1 %t244, label %panic6217, label %ok6218
+panic6217:
+  call void @finch_panic(ptr @.str.3991, i64 3356, ptr @.str.3992)
+  unreachable
+ok6218:
+  %t245 = getelementptr inbounds %S.gen.Val, ptr %t243, i32 0, i32 1
+  %t246 = load %S.ast.Type, ptr %t245
+  %t247 = call i1 @finch.gen.isFloat(%S.ast.Type %t246)
+  br label %logic.rend6219
+logic.rend6219:
+  br label %logic.end6216
+logic.end6216:
+  %t248 = phi i1 [ false, %logic.from6214 ], [ %t247, %logic.rend6219 ]
+  br i1 %t248, label %then6220, label %endif6222
+then6220:
   %t249 = load ptr, ptr %a2
   %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic5870, label %ok5871
-panic5870:
-  call void @finch_panic(ptr @.str.3836, i64 3103, ptr @.str.3837)
+  br i1 %t250, label %panic6223, label %ok6224
+panic6223:
+  call void @finch_panic(ptr @.str.3993, i64 3357, ptr @.str.3994)
   unreachable
-ok5871:
+ok6224:
   %t251 = getelementptr inbounds %S.gen.Val, ptr %t249, i32 0, i32 1
-  %t252 = load %S.ast.Type, ptr %t251
-  %t253 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3838, i64 5, i64 0 })
-  %t254 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t244, { ptr, i64, i64 } %t248, %S.ast.Type %t252, %S.ast.Type %t253)
-  %t255 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t254, 0
-  %t256 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3839, i64 5, i64 0 })
-  %t257 = insertvalue %S.gen.Val %t255, %S.ast.Type %t256, 1
-  %t258 = load ptr, ptr %a2
-  %t259 = icmp eq ptr %t258, null
-  br i1 %t259, label %panic5872, label %ok5873
-panic5872:
-  call void @finch_panic(ptr @.str.3840, i64 3103, ptr @.str.3841)
+  %t252 = getelementptr inbounds %S.ast.Type, ptr %t251, i32 0, i32 0
+  %t253 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } %t253, ptr %a254
+  store { ptr, i64, i64 } { ptr @.str.3995, i64 3, i64 0 }, ptr %a255
+  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
+  %t257 = icmp ne i32 %t256, 0
+  br i1 %t257, label %then6225, label %endif6227
+then6225:
+  %t258 = load ptr, ptr %a1
+  %t259 = load ptr, ptr %a2
+  %t260 = icmp eq ptr %t259, null
+  br i1 %t260, label %panic6228, label %ok6229
+panic6228:
+  call void @finch_panic(ptr @.str.3996, i64 3358, ptr @.str.3997)
   unreachable
-ok5873:
-  store %S.gen.Val %t257, ptr %t258
-  br label %endif5867
-endif5867:
-  %t260 = load ptr, ptr %a3
-  %t261 = icmp eq ptr %t260, null
-  br i1 %t261, label %panic5874, label %ok5875
-panic5874:
-  call void @finch_panic(ptr @.str.3842, i64 3105, ptr @.str.3843)
+ok6229:
+  %t261 = getelementptr inbounds %S.gen.Val, ptr %t259, i32 0, i32 0
+  %t262 = load { ptr, i64, i64 }, ptr %t261
+  %t263 = load ptr, ptr %a2
+  %t264 = icmp eq ptr %t263, null
+  br i1 %t264, label %panic6230, label %ok6231
+panic6230:
+  call void @finch_panic(ptr @.str.3998, i64 3358, ptr @.str.3999)
   unreachable
-ok5875:
-  %t262 = getelementptr inbounds %S.gen.Val, ptr %t260, i32 0, i32 1
-  %t263 = getelementptr inbounds %S.ast.Type, ptr %t262, i32 0, i32 0
-  %t264 = load { ptr, i64, i64 }, ptr %t263
-  store { ptr, i64, i64 } %t264, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.3844, i64 3, i64 0 }, ptr %a266
-  %t267 = call i32 @finch_str_eq(ptr %a265, ptr %a266)
-  %t268 = icmp ne i32 %t267, 0
-  br i1 %t268, label %then5876, label %endif5878
-then5876:
-  %t269 = load ptr, ptr %a1
-  %t270 = load ptr, ptr %a3
-  %t271 = icmp eq ptr %t270, null
-  br i1 %t271, label %panic5879, label %ok5880
-panic5879:
-  call void @finch_panic(ptr @.str.3845, i64 3106, ptr @.str.3846)
+ok6231:
+  %t265 = getelementptr inbounds %S.gen.Val, ptr %t263, i32 0, i32 1
+  %t266 = load %S.ast.Type, ptr %t265
+  %t267 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4000, i64 5, i64 0 })
+  %t268 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t258, { ptr, i64, i64 } %t262, %S.ast.Type %t266, %S.ast.Type %t267)
+  store %S.ast.Type %t267, ptr %a269
+  call void @finch.drop.S_ast_Type(ptr %a269)
+  %t270 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t268, 0
+  %t271 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4001, i64 5, i64 0 })
+  %t272 = insertvalue %S.gen.Val %t270, %S.ast.Type %t271, 1
+  %t273 = load ptr, ptr %a2
+  %t274 = icmp eq ptr %t273, null
+  br i1 %t274, label %panic6232, label %ok6233
+panic6232:
+  call void @finch_panic(ptr @.str.4002, i64 3358, ptr @.str.4003)
   unreachable
-ok5880:
-  %t272 = getelementptr inbounds %S.gen.Val, ptr %t270, i32 0, i32 0
-  %t273 = load { ptr, i64, i64 }, ptr %t272
-  %t274 = load ptr, ptr %a3
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic5881, label %ok5882
-panic5881:
-  call void @finch_panic(ptr @.str.3847, i64 3106, ptr @.str.3848)
+ok6233:
+  %t275 = load %S.gen.Val, ptr %t273
+  store %S.gen.Val %t272, ptr %t273
+  store %S.gen.Val %t275, ptr %a276
+  call void @finch.drop.S_gen_Val(ptr %a276)
+  br label %endif6227
+endif6227:
+  %t277 = load ptr, ptr %a3
+  %t278 = icmp eq ptr %t277, null
+  br i1 %t278, label %panic6234, label %ok6235
+panic6234:
+  call void @finch_panic(ptr @.str.4004, i64 3360, ptr @.str.4005)
   unreachable
-ok5882:
-  %t276 = getelementptr inbounds %S.gen.Val, ptr %t274, i32 0, i32 1
-  %t277 = load %S.ast.Type, ptr %t276
-  %t278 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3849, i64 5, i64 0 })
-  %t279 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t269, { ptr, i64, i64 } %t273, %S.ast.Type %t277, %S.ast.Type %t278)
-  %t280 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t279, 0
-  %t281 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3850, i64 5, i64 0 })
-  %t282 = insertvalue %S.gen.Val %t280, %S.ast.Type %t281, 1
-  %t283 = load ptr, ptr %a3
-  %t284 = icmp eq ptr %t283, null
-  br i1 %t284, label %panic5883, label %ok5884
-panic5883:
-  call void @finch_panic(ptr @.str.3851, i64 3106, ptr @.str.3852)
+ok6235:
+  %t279 = getelementptr inbounds %S.gen.Val, ptr %t277, i32 0, i32 1
+  %t280 = getelementptr inbounds %S.ast.Type, ptr %t279, i32 0, i32 0
+  %t281 = load { ptr, i64, i64 }, ptr %t280
+  store { ptr, i64, i64 } %t281, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.4006, i64 3, i64 0 }, ptr %a283
+  %t284 = call i32 @finch_str_eq(ptr %a282, ptr %a283)
+  %t285 = icmp ne i32 %t284, 0
+  br i1 %t285, label %then6236, label %endif6238
+then6236:
+  %t286 = load ptr, ptr %a1
+  %t287 = load ptr, ptr %a3
+  %t288 = icmp eq ptr %t287, null
+  br i1 %t288, label %panic6239, label %ok6240
+panic6239:
+  call void @finch_panic(ptr @.str.4007, i64 3361, ptr @.str.4008)
   unreachable
-ok5884:
-  store %S.gen.Val %t282, ptr %t283
-  br label %endif5878
-endif5878:
+ok6240:
+  %t289 = getelementptr inbounds %S.gen.Val, ptr %t287, i32 0, i32 0
+  %t290 = load { ptr, i64, i64 }, ptr %t289
+  %t291 = load ptr, ptr %a3
+  %t292 = icmp eq ptr %t291, null
+  br i1 %t292, label %panic6241, label %ok6242
+panic6241:
+  call void @finch_panic(ptr @.str.4009, i64 3361, ptr @.str.4010)
+  unreachable
+ok6242:
+  %t293 = getelementptr inbounds %S.gen.Val, ptr %t291, i32 0, i32 1
+  %t294 = load %S.ast.Type, ptr %t293
+  %t295 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4011, i64 5, i64 0 })
+  %t296 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t286, { ptr, i64, i64 } %t290, %S.ast.Type %t294, %S.ast.Type %t295)
+  store %S.ast.Type %t295, ptr %a297
+  call void @finch.drop.S_ast_Type(ptr %a297)
+  %t298 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t296, 0
+  %t299 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4012, i64 5, i64 0 })
+  %t300 = insertvalue %S.gen.Val %t298, %S.ast.Type %t299, 1
+  %t301 = load ptr, ptr %a3
+  %t302 = icmp eq ptr %t301, null
+  br i1 %t302, label %panic6243, label %ok6244
+panic6243:
+  call void @finch_panic(ptr @.str.4013, i64 3361, ptr @.str.4014)
+  unreachable
+ok6244:
+  %t303 = load %S.gen.Val, ptr %t301
+  store %S.gen.Val %t300, ptr %t301
+  store %S.gen.Val %t303, ptr %a304
+  call void @finch.drop.S_gen_Val(ptr %a304)
+  br label %endif6238
+endif6238:
   ret i1 true
-endif5862:
+endif6222:
   ret i1 false
 }
 
@@ -52785,93 +62349,118 @@ entry:
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca i64, align 16
-  %a141 = alloca i64, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca i64, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca i64, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca i64, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
   %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
   %a231 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
   %a241 = alloca { ptr, i64, i64 }, align 16
   %a242 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca %S.ast.Type, align 16
-  %a255 = alloca %S.ast.Type, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
   %a271 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca i64, align 16
-  %a288 = alloca i64, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca i64, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca %S.ast.Type, align 16
-  %a352 = alloca %S.ast.Type, align 16
-  %a361 = alloca %S.gen.Val, align 16
-  %a362 = alloca %S.gen.Val, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca %S.ast.Type, align 16
+  %a280 = alloca %S.ast.Type, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca i64, align 16
+  %a313 = alloca i64, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca i64, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca %S.ast.Type, align 16
+  %a384 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.gen.Val %p2, ptr %a3
@@ -52885,511 +62474,582 @@ entry:
   store %S.ast.Node %p4, ptr %a11
   %t12 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.3853, i64 1, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.4015, i64 1, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from5885
-logic.from5885:
-  br i1 %t16, label %logic.rhs5886, label %logic.end5887
-logic.rhs5886:
+  br label %logic.from6245
+logic.from6245:
+  br i1 %t16, label %logic.rhs6246, label %logic.end6247
+logic.rhs6246:
   %t17 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t18 = getelementptr inbounds %S.ast.Type, ptr %t17, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.3854, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4016, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend5888
-logic.rend5888:
-  br label %logic.end5887
-logic.end5887:
-  %t24 = phi i1 [ false, %logic.from5885 ], [ %t23, %logic.rend5888 ]
-  br label %logic.from5889
-logic.from5889:
-  br i1 %t24, label %logic.rhs5890, label %logic.end5891
-logic.rhs5890:
+  br label %logic.rend6248
+logic.rend6248:
+  br label %logic.end6247
+logic.end6247:
+  %t24 = phi i1 [ false, %logic.from6245 ], [ %t23, %logic.rend6248 ]
+  br label %logic.from6249
+logic.from6249:
+  br i1 %t24, label %logic.rhs6250, label %logic.end6251
+logic.rhs6250:
   %t25 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t26 = getelementptr inbounds %S.ast.Type, ptr %t25, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.3855, i64 3, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.4017, i64 3, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend5892
-logic.rend5892:
-  br label %logic.end5891
-logic.end5891:
-  %t32 = phi i1 [ false, %logic.from5889 ], [ %t31, %logic.rend5892 ]
-  br i1 %t32, label %then5893, label %endif5895
-then5893:
+  br label %logic.rend6252
+logic.rend6252:
+  br label %logic.end6251
+logic.end6251:
+  %t32 = phi i1 [ false, %logic.from6249 ], [ %t31, %logic.rend6252 ]
+  br i1 %t32, label %then6253, label %endif6255
+then6253:
   %t33 = load ptr, ptr %a1
-  %t34 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t33, { ptr, i64, i64 } { ptr @.str.3856, i64 17, i64 0 })
+  %t34 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t33, { ptr, i64, i64 } { ptr @.str.4018, i64 17, i64 0 })
   store { ptr, i64, i64 } %t34, ptr %a35
   %t36 = load ptr, ptr %a1
   %t37 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.3857, i64 32, i64 0 }, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.4019, i64 32, i64 0 }, ptr %a39
   store { ptr, i64, i64 } %t37, ptr %a40
   call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
   %t41 = load { ptr, i64, i64 }, ptr %a38
   store { ptr, i64, i64 } %t41, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.3858, i64 6, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.4020, i64 6, i64 0 }, ptr %a44
   call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
-  %t45 = load { ptr, i64, i64 }, ptr %a42
-  %t46 = load ptr, ptr %a1
-  %t47 = load %S.gen.Val, ptr %a6
-  %t48 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t46, %S.gen.Val %t47)
-  store { ptr, i64, i64 } %t45, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.3859, i64 6, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load ptr, ptr %a1
-  %t58 = load %S.gen.Val, ptr %a10
-  %t59 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t57, %S.gen.Val %t58)
-  store { ptr, i64, i64 } %t56, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.3860, i64 1, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } %t41, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a42
+  %t47 = load ptr, ptr %a1
+  %t48 = load %S.gen.Val, ptr %a6
+  %t49 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t47, %S.gen.Val %t48)
+  store { ptr, i64, i64 } %t46, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t46, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  store { ptr, i64, i64 } %t49, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.4021, i64 6, i64 0 }, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load ptr, ptr %a1
+  %t62 = load %S.gen.Val, ptr %a10
+  %t63 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t61, %S.gen.Val %t62)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
   call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  call void @finch.gen.emit(ptr %t36, { ptr, i64, i64 } %t67)
-  %t68 = load ptr, ptr %a1
-  %t69 = load { ptr, i64, i64 }, ptr %a35
-  %t70 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.3861, i64 17, i64 0 }, { ptr, i64, i64 } %t69)
-  %t71 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t70, 0
-  %t72 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3862, i64 3, i64 0 })
-  %t73 = insertvalue %S.gen.Val %t71, %S.ast.Type %t72, 1
-  %t74 = insertvalue %S.gen.Val %t73, i1 true, 2
-  ret %S.gen.Val %t74
-endif5895:
-  %t75 = load ptr, ptr %a1
-  %t76 = call i1 @finch.gen.unify(ptr %t75, ptr %a6, ptr %a10)
-  %t77 = xor i1 %t76, true
-  br i1 %t77, label %then5896, label %endif5898
-then5896:
+  store { ptr, i64, i64 } %t60, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.4022, i64 1, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  call void @finch.gen.emit(ptr %t36, { ptr, i64, i64 } %t74)
+  store { ptr, i64, i64 } %t74, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  %t76 = load ptr, ptr %a1
+  %t77 = load %S.gen.Val, ptr %a6
+  call void @finch.gen.release(ptr %t76, %S.gen.Val %t77)
   %t78 = load ptr, ptr %a1
-  %t79 = load { ptr, i64, i64 }, ptr %a2
-  %t80 = load %S.gen.Val, ptr %a6
-  %t81 = load %S.gen.Val, ptr %a10
-  %t82 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t78, { ptr, i64, i64 } %t79, %S.gen.Val %t80, %S.gen.Val %t81, %S.ast.Node %t82)
-  br label %endif5898
-endif5898:
-  %t83 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t84 = load %S.ast.Type, ptr %t83
-  %t85 = call i1 @finch.gen.isInt(%S.ast.Type %t84)
-  br i1 %t85, label %then5899, label %endif5901
-then5899:
-  %t86 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t87 = call ptr @finch_alloc(i64 %t86)
-  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3863, i64 1, i64 0 }, ptr %t88
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3864, i64 1, i64 0 }, ptr %t89
-  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3865, i64 1, i64 0 }, ptr %t90
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3866, i64 1, i64 0 }, ptr %t91
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3867, i64 1, i64 0 }, ptr %t92
-  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3868, i64 1, i64 0 }, ptr %t93
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 6
-  store { ptr, i64, i64 } { ptr @.str.3869, i64 1, i64 0 }, ptr %t94
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 7
-  store { ptr, i64, i64 } { ptr @.str.3870, i64 1, i64 0 }, ptr %t95
-  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 8
-  store { ptr, i64, i64 } { ptr @.str.3871, i64 2, i64 0 }, ptr %t96
-  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i64 9
-  store { ptr, i64, i64 } { ptr @.str.3872, i64 2, i64 0 }, ptr %t97
-  %t98 = insertvalue { ptr, i64, i64 } undef, ptr %t87, 0
-  %t99 = insertvalue { ptr, i64, i64 } %t98, i64 10, 1
-  %t100 = insertvalue { ptr, i64, i64 } %t99, i64 10, 2
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t103 = call ptr @finch_alloc(i64 %t102)
-  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3873, i64 3, i64 0 }, ptr %t104
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3874, i64 3, i64 0 }, ptr %t105
-  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3875, i64 3, i64 0 }, ptr %t106
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3876, i64 4, i64 0 }, ptr %t107
-  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3877, i64 4, i64 0 }, ptr %t108
-  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3878, i64 3, i64 0 }, ptr %t109
-  %t110 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 6
-  store { ptr, i64, i64 } { ptr @.str.3879, i64 2, i64 0 }, ptr %t110
-  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 7
-  store { ptr, i64, i64 } { ptr @.str.3880, i64 3, i64 0 }, ptr %t111
-  %t112 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 8
-  store { ptr, i64, i64 } { ptr @.str.3881, i64 3, i64 0 }, ptr %t112
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 9
-  store { ptr, i64, i64 } { ptr @.str.3882, i64 4, i64 0 }, ptr %t113
-  %t114 = insertvalue { ptr, i64, i64 } undef, ptr %t103, 0
-  %t115 = insertvalue { ptr, i64, i64 } %t114, i64 10, 1
-  %t116 = insertvalue { ptr, i64, i64 } %t115, i64 10, 2
-  store { ptr, i64, i64 } %t116, ptr %a117
-  %t118 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t119 = load %S.ast.Type, ptr %t118
-  %t120 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t119)
-  br i1 %t120, label %then5902, label %endif5904
-then5902:
-  %t121 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t122 = call ptr @finch_alloc(i64 %t121)
-  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3883, i64 3, i64 0 }, ptr %t123
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3884, i64 3, i64 0 }, ptr %t124
-  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3885, i64 3, i64 0 }, ptr %t125
-  %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3886, i64 4, i64 0 }, ptr %t126
-  %t127 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3887, i64 4, i64 0 }, ptr %t127
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3888, i64 3, i64 0 }, ptr %t128
-  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 6
-  store { ptr, i64, i64 } { ptr @.str.3889, i64 2, i64 0 }, ptr %t129
-  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 7
-  store { ptr, i64, i64 } { ptr @.str.3890, i64 3, i64 0 }, ptr %t130
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 8
-  store { ptr, i64, i64 } { ptr @.str.3891, i64 3, i64 0 }, ptr %t131
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 9
-  store { ptr, i64, i64 } { ptr @.str.3892, i64 4, i64 0 }, ptr %t132
-  %t133 = insertvalue { ptr, i64, i64 } undef, ptr %t122, 0
-  %t134 = insertvalue { ptr, i64, i64 } %t133, i64 10, 1
-  %t135 = insertvalue { ptr, i64, i64 } %t134, i64 10, 2
-  store { ptr, i64, i64 } %t135, ptr %a117
-  br label %endif5904
-endif5904:
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %a101, i32 0, i32 1
-  %t137 = load { ptr, i64, i64 }, ptr %a2
-  store i64 -1, ptr %a138
-  %t139 = load i64, ptr %t136
-  %t140 = load ptr, ptr %a101
-  store i64 0, ptr %a141
-  br label %find.cond5905
-find.cond5905:
-  %t142 = load i64, ptr %a141
-  %t143 = icmp slt i64 %t142, %t139
-  br i1 %t143, label %find.body5906, label %find.end5909
-find.body5906:
-  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t140, i64 %t142
-  %t145 = load { ptr, i64, i64 }, ptr %t144
-  store { ptr, i64, i64 } %t145, ptr %a146
-  store { ptr, i64, i64 } %t137, ptr %a147
-  %t148 = call i32 @finch_str_eq(ptr %a146, ptr %a147)
-  %t149 = icmp ne i32 %t148, 0
-  br i1 %t149, label %find.hit5907, label %find.next5908
-find.hit5907:
-  store i64 %t142, ptr %a138
-  br label %find.end5909
-find.next5908:
-  %t150 = add i64 %t142, 1
-  store i64 %t150, ptr %a141
-  br label %find.cond5905
-find.end5909:
-  %t151 = load i64, ptr %a138
-  store i64 %t151, ptr %a152
-  %t153 = load i64, ptr %a152
-  %t154 = icmp slt i64 %t153, 0
-  br i1 %t154, label %then5910, label %endif5912
-then5910:
-  %t155 = load ptr, ptr %a1
-  %t156 = load { ptr, i64, i64 }, ptr %a2
-  %t157 = load %S.gen.Val, ptr %a6
-  %t158 = load %S.gen.Val, ptr %a10
-  %t159 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t155, { ptr, i64, i64 } %t156, %S.gen.Val %t157, %S.gen.Val %t158, %S.ast.Node %t159)
-  br label %endif5912
-endif5912:
-  %t160 = load ptr, ptr %a1
-  %t161 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t162 = load %S.ast.Type, ptr %t161
-  %t163 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t160, %S.ast.Type %t162)
-  store { ptr, i64, i64 } %t163, ptr %a164
-  %t165 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t165, ptr %a166
-  store { ptr, i64, i64 } { ptr @.str.3893, i64 1, i64 0 }, ptr %a167
-  %t168 = call i32 @finch_str_eq(ptr %a166, ptr %a167)
-  %t169 = icmp ne i32 %t168, 0
-  br label %logic.from5913
-logic.from5913:
-  br i1 %t169, label %logic.end5915, label %logic.rhs5914
-logic.rhs5914:
+  %t79 = load %S.gen.Val, ptr %a10
+  call void @finch.gen.release(ptr %t78, %S.gen.Val %t79)
+  %t80 = load ptr, ptr %a1
+  %t81 = load { ptr, i64, i64 }, ptr %a35
+  %t82 = call { ptr, i64, i64 } @finch.gen.load(ptr %t80, { ptr, i64, i64 } { ptr @.str.4023, i64 17, i64 0 }, { ptr, i64, i64 } %t81)
+  %t83 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t82, 0
+  %t84 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4024, i64 3, i64 0 })
+  %t85 = insertvalue %S.gen.Val %t83, %S.ast.Type %t84, 1
+  %t86 = insertvalue %S.gen.Val %t85, i1 true, 2
+  call void @finch_str_drop(ptr %a35)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t86
+endif6255:
+  %t87 = load ptr, ptr %a1
+  %t88 = call i1 @finch.gen.unify(ptr %t87, ptr %a6, ptr %a10)
+  %t89 = xor i1 %t88, true
+  br i1 %t89, label %then6256, label %endif6258
+then6256:
+  %t90 = load ptr, ptr %a1
+  %t91 = load { ptr, i64, i64 }, ptr %a2
+  %t92 = load %S.gen.Val, ptr %a6
+  %t93 = load %S.gen.Val, ptr %a10
+  %t94 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t90, { ptr, i64, i64 } %t91, %S.gen.Val %t92, %S.gen.Val %t93, %S.ast.Node %t94)
+  br label %endif6258
+endif6258:
+  %t95 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t96 = load %S.ast.Type, ptr %t95
+  %t97 = call i1 @finch.gen.isInt(%S.ast.Type %t96)
+  br i1 %t97, label %then6259, label %endif6261
+then6259:
+  %t98 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t99 = call ptr @finch_alloc(i64 %t98)
+  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4025, i64 1, i64 0 }, ptr %t100
+  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4026, i64 1, i64 0 }, ptr %t101
+  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4027, i64 1, i64 0 }, ptr %t102
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4028, i64 1, i64 0 }, ptr %t103
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4029, i64 1, i64 0 }, ptr %t104
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4030, i64 1, i64 0 }, ptr %t105
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 6
+  store { ptr, i64, i64 } { ptr @.str.4031, i64 1, i64 0 }, ptr %t106
+  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 7
+  store { ptr, i64, i64 } { ptr @.str.4032, i64 1, i64 0 }, ptr %t107
+  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 8
+  store { ptr, i64, i64 } { ptr @.str.4033, i64 2, i64 0 }, ptr %t108
+  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i64 9
+  store { ptr, i64, i64 } { ptr @.str.4034, i64 2, i64 0 }, ptr %t109
+  %t110 = insertvalue { ptr, i64, i64 } undef, ptr %t99, 0
+  %t111 = insertvalue { ptr, i64, i64 } %t110, i64 10, 1
+  %t112 = insertvalue { ptr, i64, i64 } %t111, i64 10, 2
+  store { ptr, i64, i64 } %t112, ptr %a113
+  %t114 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t115 = call ptr @finch_alloc(i64 %t114)
+  %t116 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4035, i64 3, i64 0 }, ptr %t116
+  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4036, i64 3, i64 0 }, ptr %t117
+  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4037, i64 3, i64 0 }, ptr %t118
+  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4038, i64 4, i64 0 }, ptr %t119
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4039, i64 4, i64 0 }, ptr %t120
+  %t121 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4040, i64 3, i64 0 }, ptr %t121
+  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 6
+  store { ptr, i64, i64 } { ptr @.str.4041, i64 2, i64 0 }, ptr %t122
+  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 7
+  store { ptr, i64, i64 } { ptr @.str.4042, i64 3, i64 0 }, ptr %t123
+  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 8
+  store { ptr, i64, i64 } { ptr @.str.4043, i64 3, i64 0 }, ptr %t124
+  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t115, i64 9
+  store { ptr, i64, i64 } { ptr @.str.4044, i64 4, i64 0 }, ptr %t125
+  %t126 = insertvalue { ptr, i64, i64 } undef, ptr %t115, 0
+  %t127 = insertvalue { ptr, i64, i64 } %t126, i64 10, 1
+  %t128 = insertvalue { ptr, i64, i64 } %t127, i64 10, 2
+  store { ptr, i64, i64 } %t128, ptr %a129
+  %t130 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t131 = load %S.ast.Type, ptr %t130
+  %t132 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t131)
+  br i1 %t132, label %then6262, label %endif6264
+then6262:
+  %t133 = mul i64 10, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t134 = call ptr @finch_alloc(i64 %t133)
+  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4045, i64 3, i64 0 }, ptr %t135
+  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4046, i64 3, i64 0 }, ptr %t136
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4047, i64 3, i64 0 }, ptr %t137
+  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4048, i64 4, i64 0 }, ptr %t138
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4049, i64 4, i64 0 }, ptr %t139
+  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4050, i64 3, i64 0 }, ptr %t140
+  %t141 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 6
+  store { ptr, i64, i64 } { ptr @.str.4051, i64 2, i64 0 }, ptr %t141
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 7
+  store { ptr, i64, i64 } { ptr @.str.4052, i64 3, i64 0 }, ptr %t142
+  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 8
+  store { ptr, i64, i64 } { ptr @.str.4053, i64 3, i64 0 }, ptr %t143
+  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 9
+  store { ptr, i64, i64 } { ptr @.str.4054, i64 4, i64 0 }, ptr %t144
+  %t145 = insertvalue { ptr, i64, i64 } undef, ptr %t134, 0
+  %t146 = insertvalue { ptr, i64, i64 } %t145, i64 10, 1
+  %t147 = insertvalue { ptr, i64, i64 } %t146, i64 10, 2
+  %t148 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t147, ptr %a129
+  store { ptr, i64, i64 } %t148, ptr %a149
+  call void @finch.drop.arr_str(ptr %a149)
+  br label %endif6264
+endif6264:
+  %t150 = getelementptr inbounds { ptr, i64, i64 }, ptr %a113, i32 0, i32 1
+  %t151 = load { ptr, i64, i64 }, ptr %a2
+  store i64 -1, ptr %a152
+  %t153 = load i64, ptr %t150
+  %t154 = load ptr, ptr %a113
+  store i64 0, ptr %a155
+  br label %find.cond6265
+find.cond6265:
+  %t156 = load i64, ptr %a155
+  %t157 = icmp slt i64 %t156, %t153
+  br i1 %t157, label %find.body6266, label %find.end6269
+find.body6266:
+  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i64 %t156
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  store { ptr, i64, i64 } %t159, ptr %a160
+  store { ptr, i64, i64 } %t151, ptr %a161
+  %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
+  %t163 = icmp ne i32 %t162, 0
+  br i1 %t163, label %find.hit6267, label %find.next6268
+find.hit6267:
+  store i64 %t156, ptr %a152
+  br label %find.end6269
+find.next6268:
+  %t164 = add i64 %t156, 1
+  store i64 %t164, ptr %a155
+  br label %find.cond6265
+find.end6269:
+  %t165 = load i64, ptr %a152
+  store i64 %t165, ptr %a166
+  %t167 = load i64, ptr %a166
+  %t168 = icmp slt i64 %t167, 0
+  br i1 %t168, label %then6270, label %endif6272
+then6270:
+  %t169 = load ptr, ptr %a1
   %t170 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t170, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.3894, i64 1, i64 0 }, ptr %a172
-  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
-  %t174 = icmp ne i32 %t173, 0
-  br label %logic.rend5916
-logic.rend5916:
-  br label %logic.end5915
-logic.end5915:
-  %t175 = phi i1 [ true, %logic.from5913 ], [ %t174, %logic.rend5916 ]
-  br i1 %t175, label %then5917, label %endif5919
-then5917:
-  %t176 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
-  %t177 = load i1, ptr %t176
-  br label %logic.from5920
-logic.from5920:
-  br i1 %t177, label %logic.rhs5921, label %logic.end5922
-logic.rhs5921:
-  %t178 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
+  %t171 = load %S.gen.Val, ptr %a6
+  %t172 = load %S.gen.Val, ptr %a10
+  %t173 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t169, { ptr, i64, i64 } %t170, %S.gen.Val %t171, %S.gen.Val %t172, %S.ast.Node %t173)
+  br label %endif6272
+endif6272:
+  %t174 = load ptr, ptr %a1
+  %t175 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t176 = load %S.ast.Type, ptr %t175
+  %t177 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t174, %S.ast.Type %t176)
+  store { ptr, i64, i64 } %t177, ptr %a178
+  %t179 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t179, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.3895, i64 1, i64 0 }, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.4055, i64 1, i64 0 }, ptr %a181
   %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
   %t183 = icmp ne i32 %t182, 0
-  br label %logic.rend5923
-logic.rend5923:
-  br label %logic.end5922
-logic.end5922:
-  %t184 = phi i1 [ false, %logic.from5920 ], [ %t183, %logic.rend5923 ]
-  br i1 %t184, label %then5924, label %endif5926
-then5924:
-  %t185 = load ptr, ptr %a1
-  %t186 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.fail(ptr %t185, %S.ast.Node %t186, { ptr, i64, i64 } { ptr @.str.3896, i64 16, i64 0 })
-  br label %endif5926
-endif5926:
-  %t187 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
-  %t188 = load i1, ptr %t187
-  %t189 = xor i1 %t188, true
-  br i1 %t189, label %then5927, label %endif5929
-then5927:
-  %t190 = load ptr, ptr %a1
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.3897, i64 8, i64 0 }, ptr %a194
-  store { ptr, i64, i64 } %t192, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  store { ptr, i64, i64 } %t196, ptr %a198
-  store { ptr, i64, i64 } { ptr @.str.3898, i64 1, i64 0 }, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  %t201 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  store { ptr, i64, i64 } %t200, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  store { ptr, i64, i64 } %t206, ptr %a208
-  store { ptr, i64, i64 } { ptr @.str.3899, i64 3, i64 0 }, ptr %a209
+  br label %logic.from6273
+logic.from6273:
+  br i1 %t183, label %logic.end6275, label %logic.rhs6274
+logic.rhs6274:
+  %t184 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t184, ptr %a185
+  store { ptr, i64, i64 } { ptr @.str.4056, i64 1, i64 0 }, ptr %a186
+  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
+  %t188 = icmp ne i32 %t187, 0
+  br label %logic.rend6276
+logic.rend6276:
+  br label %logic.end6275
+logic.end6275:
+  %t189 = phi i1 [ true, %logic.from6273 ], [ %t188, %logic.rend6276 ]
+  br i1 %t189, label %then6277, label %endif6279
+then6277:
+  %t190 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
+  %t191 = load i1, ptr %t190
+  br label %logic.from6280
+logic.from6280:
+  br i1 %t191, label %logic.rhs6281, label %logic.end6282
+logic.rhs6281:
+  %t192 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  store { ptr, i64, i64 } %t193, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.4057, i64 1, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br label %logic.rend6283
+logic.rend6283:
+  br label %logic.end6282
+logic.end6282:
+  %t198 = phi i1 [ false, %logic.from6280 ], [ %t197, %logic.rend6283 ]
+  br i1 %t198, label %then6284, label %endif6286
+then6284:
+  %t199 = load ptr, ptr %a1
+  %t200 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.fail(ptr %t199, %S.ast.Node %t200, { ptr, i64, i64 } { ptr @.str.4058, i64 16, i64 0 })
+  br label %endif6286
+endif6286:
+  %t201 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 3
+  %t202 = load i1, ptr %t201
+  %t203 = xor i1 %t202, true
+  br i1 %t203, label %then6287, label %endif6289
+then6287:
+  %t204 = load ptr, ptr %a1
+  %t205 = load ptr, ptr %a1
+  %t206 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.4059, i64 8, i64 0 }, ptr %a208
+  store { ptr, i64, i64 } %t206, ptr %a209
   call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
   %t210 = load { ptr, i64, i64 }, ptr %a207
-  %t211 = call { ptr, i64, i64 } @finch.gen.op(ptr %t191, { ptr, i64, i64 } %t210)
-  %t212 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.panicIf(ptr %t190, { ptr, i64, i64 } %t211, { ptr, i64, i64 } { ptr @.str.3900, i64 16, i64 0 }, %S.ast.Node %t212)
-  br label %endif5929
-endif5929:
-  br label %endif5919
-endif5919:
-  %t213 = load ptr, ptr %a1
-  %t214 = load i64, ptr %a152
-  %t215 = load { ptr, i64, i64 }, ptr %a117
-  %t216 = extractvalue { ptr, i64, i64 } %t215, 1
-  %t217 = icmp uge i64 %t214, %t216
-  br i1 %t217, label %range5930, label %inrange5931
-range5930:
-  call void @finch_panic_index(ptr @.str.3901, i64 3145, i64 %t214, i64 %t216)
+  store { ptr, i64, i64 } %t210, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.4060, i64 1, i64 0 }, ptr %a213
+  call void @finch_str_concat(ptr %a211, ptr %a212, ptr %a213)
+  store { ptr, i64, i64 } %t210, ptr %a214
+  call void @finch_str_drop(ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a211
+  %t216 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } %t215, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  store { ptr, i64, i64 } %t215, ptr %a221
+  call void @finch_str_drop(ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a218
+  store { ptr, i64, i64 } %t222, ptr %a224
+  store { ptr, i64, i64 } { ptr @.str.4061, i64 3, i64 0 }, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t222, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = call { ptr, i64, i64 } @finch.gen.op(ptr %t205, { ptr, i64, i64 } %t227)
+  store { ptr, i64, i64 } %t227, ptr %a229
+  call void @finch_str_drop(ptr %a229)
+  %t230 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.panicIf(ptr %t204, { ptr, i64, i64 } %t228, { ptr, i64, i64 } { ptr @.str.4062, i64 16, i64 0 }, %S.ast.Node %t230)
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_drop(ptr %a231)
+  br label %endif6289
+endif6289:
+  br label %endif6279
+endif6279:
+  %t232 = load ptr, ptr %a1
+  %t233 = load i64, ptr %a166
+  %t234 = load { ptr, i64, i64 }, ptr %a129
+  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
+  %t236 = icmp uge i64 %t233, %t235
+  br i1 %t236, label %range6290, label %inrange6291
+range6290:
+  call void @finch_panic_index(ptr @.str.4063, i64 3402, i64 %t233, i64 %t235)
   unreachable
-inrange5931:
-  %t218 = extractvalue { ptr, i64, i64 } %t215, 0
-  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i64 %t214
-  %t220 = load { ptr, i64, i64 }, ptr %t219
-  store { ptr, i64, i64 } %t220, ptr %a222
-  store { ptr, i64, i64 } { ptr @.str.3902, i64 1, i64 0 }, ptr %a223
-  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
-  %t224 = load { ptr, i64, i64 }, ptr %a221
-  %t225 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t224, ptr %a227
-  store { ptr, i64, i64 } %t225, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  store { ptr, i64, i64 } %t229, ptr %a231
-  store { ptr, i64, i64 } { ptr @.str.3903, i64 1, i64 0 }, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  %t234 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  store { ptr, i64, i64 } %t233, ptr %a237
-  store { ptr, i64, i64 } %t235, ptr %a238
-  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
+inrange6291:
+  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
+  %t238 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 %t233
+  %t239 = load { ptr, i64, i64 }, ptr %t238
   store { ptr, i64, i64 } %t239, ptr %a241
-  store { ptr, i64, i64 } { ptr @.str.3904, i64 2, i64 0 }, ptr %a242
+  store { ptr, i64, i64 } { ptr @.str.4064, i64 1, i64 0 }, ptr %a242
   call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
   %t243 = load { ptr, i64, i64 }, ptr %a240
-  %t244 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t245 = load { ptr, i64, i64 }, ptr %t244
-  store { ptr, i64, i64 } %t243, ptr %a247
-  store { ptr, i64, i64 } %t245, ptr %a248
-  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
-  %t249 = load { ptr, i64, i64 }, ptr %a246
-  %t250 = call { ptr, i64, i64 } @finch.gen.op(ptr %t213, { ptr, i64, i64 } %t249)
-  %t251 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t250, 0
-  %t252 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t253 = load %S.ast.Type, ptr %t252
-  store %S.ast.Type %t253, ptr %a254
-  call void @finch.copy.S_ast_Type(ptr %a255, ptr %a254)
-  %t256 = load %S.ast.Type, ptr %a255
-  %t257 = insertvalue %S.gen.Val %t251, %S.ast.Type %t256, 1
-  ret %S.gen.Val %t257
-endif5901:
-  %t258 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t259 = load %S.ast.Type, ptr %t258
-  %t260 = call i1 @finch.gen.isFloat(%S.ast.Type %t259)
-  br i1 %t260, label %then5932, label %endif5934
-then5932:
-  %t261 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t262 = call ptr @finch_alloc(i64 %t261)
-  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3905, i64 1, i64 0 }, ptr %t263
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3906, i64 1, i64 0 }, ptr %t264
-  %t265 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3907, i64 1, i64 0 }, ptr %t265
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3908, i64 1, i64 0 }, ptr %t266
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3909, i64 1, i64 0 }, ptr %t267
-  %t268 = insertvalue { ptr, i64, i64 } undef, ptr %t262, 0
-  %t269 = insertvalue { ptr, i64, i64 } %t268, i64 5, 1
-  %t270 = insertvalue { ptr, i64, i64 } %t269, i64 5, 2
-  store { ptr, i64, i64 } %t270, ptr %a271
-  %t272 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t273 = call ptr @finch_alloc(i64 %t272)
-  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3910, i64 4, i64 0 }, ptr %t274
-  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3911, i64 4, i64 0 }, ptr %t275
-  %t276 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3912, i64 4, i64 0 }, ptr %t276
-  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3913, i64 4, i64 0 }, ptr %t277
-  %t278 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3914, i64 4, i64 0 }, ptr %t278
-  %t279 = insertvalue { ptr, i64, i64 } undef, ptr %t273, 0
-  %t280 = insertvalue { ptr, i64, i64 } %t279, i64 5, 1
-  %t281 = insertvalue { ptr, i64, i64 } %t280, i64 5, 2
-  store { ptr, i64, i64 } %t281, ptr %a282
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t284 = load { ptr, i64, i64 }, ptr %a2
-  store i64 -1, ptr %a285
-  %t286 = load i64, ptr %t283
-  %t287 = load ptr, ptr %a271
-  store i64 0, ptr %a288
-  br label %find.cond5935
-find.cond5935:
-  %t289 = load i64, ptr %a288
-  %t290 = icmp slt i64 %t289, %t286
-  br i1 %t290, label %find.body5936, label %find.end5939
-find.body5936:
-  %t291 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 %t289
-  %t292 = load { ptr, i64, i64 }, ptr %t291
-  store { ptr, i64, i64 } %t292, ptr %a293
-  store { ptr, i64, i64 } %t284, ptr %a294
-  %t295 = call i32 @finch_str_eq(ptr %a293, ptr %a294)
-  %t296 = icmp ne i32 %t295, 0
-  br i1 %t296, label %find.hit5937, label %find.next5938
-find.hit5937:
-  store i64 %t289, ptr %a285
-  br label %find.end5939
-find.next5938:
-  %t297 = add i64 %t289, 1
-  store i64 %t297, ptr %a288
-  br label %find.cond5935
-find.end5939:
-  %t298 = load i64, ptr %a285
-  store i64 %t298, ptr %a299
-  %t300 = load i64, ptr %a299
-  %t301 = icmp slt i64 %t300, 0
-  br i1 %t301, label %then5940, label %endif5942
-then5940:
-  %t302 = load ptr, ptr %a1
-  %t303 = load { ptr, i64, i64 }, ptr %a2
-  %t304 = load %S.gen.Val, ptr %a6
-  %t305 = load %S.gen.Val, ptr %a10
-  %t306 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t302, { ptr, i64, i64 } %t303, %S.gen.Val %t304, %S.gen.Val %t305, %S.ast.Node %t306)
-  br label %endif5942
-endif5942:
-  %t307 = load ptr, ptr %a1
-  %t308 = load i64, ptr %a299
-  %t309 = load { ptr, i64, i64 }, ptr %a282
-  %t310 = extractvalue { ptr, i64, i64 } %t309, 1
-  %t311 = icmp uge i64 %t308, %t310
-  br i1 %t311, label %range5943, label %inrange5944
-range5943:
-  call void @finch_panic_index(ptr @.str.3915, i64 3154, i64 %t308, i64 %t310)
+  %t244 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t243, ptr %a246
+  store { ptr, i64, i64 } %t244, ptr %a247
+  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
+  store { ptr, i64, i64 } %t243, ptr %a248
+  call void @finch_str_drop(ptr %a248)
+  %t249 = load { ptr, i64, i64 }, ptr %a245
+  store { ptr, i64, i64 } %t249, ptr %a251
+  store { ptr, i64, i64 } { ptr @.str.4065, i64 1, i64 0 }, ptr %a252
+  call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
+  store { ptr, i64, i64 } %t249, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a250
+  %t255 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t256 = load { ptr, i64, i64 }, ptr %t255
+  store { ptr, i64, i64 } %t254, ptr %a258
+  store { ptr, i64, i64 } %t256, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  store { ptr, i64, i64 } %t254, ptr %a260
+  call void @finch_str_drop(ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } %t261, ptr %a263
+  store { ptr, i64, i64 } { ptr @.str.4066, i64 2, i64 0 }, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  store { ptr, i64, i64 } %t261, ptr %a265
+  call void @finch_str_drop(ptr %a265)
+  %t266 = load { ptr, i64, i64 }, ptr %a262
+  %t267 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t268 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t266, ptr %a270
+  store { ptr, i64, i64 } %t268, ptr %a271
+  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
+  store { ptr, i64, i64 } %t266, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a269
+  %t274 = call { ptr, i64, i64 } @finch.gen.op(ptr %t232, { ptr, i64, i64 } %t273)
+  store { ptr, i64, i64 } %t273, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t274, 0
+  %t277 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t278 = load %S.ast.Type, ptr %t277
+  store %S.ast.Type %t278, ptr %a279
+  call void @finch.copy.S_ast_Type(ptr %a280, ptr %a279)
+  %t281 = load %S.ast.Type, ptr %a280
+  %t282 = insertvalue %S.gen.Val %t276, %S.ast.Type %t281, 1
+  call void @finch_str_drop(ptr %a178)
+  call void @finch.drop.arr_str(ptr %a129)
+  call void @finch.drop.arr_str(ptr %a113)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t282
+endif6261:
+  %t283 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t284 = load %S.ast.Type, ptr %t283
+  %t285 = call i1 @finch.gen.isFloat(%S.ast.Type %t284)
+  br i1 %t285, label %then6292, label %endif6294
+then6292:
+  %t286 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t287 = call ptr @finch_alloc(i64 %t286)
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4067, i64 1, i64 0 }, ptr %t288
+  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4068, i64 1, i64 0 }, ptr %t289
+  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4069, i64 1, i64 0 }, ptr %t290
+  %t291 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4070, i64 1, i64 0 }, ptr %t291
+  %t292 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4071, i64 1, i64 0 }, ptr %t292
+  %t293 = insertvalue { ptr, i64, i64 } undef, ptr %t287, 0
+  %t294 = insertvalue { ptr, i64, i64 } %t293, i64 5, 1
+  %t295 = insertvalue { ptr, i64, i64 } %t294, i64 5, 2
+  store { ptr, i64, i64 } %t295, ptr %a296
+  %t297 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t298 = call ptr @finch_alloc(i64 %t297)
+  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4072, i64 4, i64 0 }, ptr %t299
+  %t300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4073, i64 4, i64 0 }, ptr %t300
+  %t301 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4074, i64 4, i64 0 }, ptr %t301
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4075, i64 4, i64 0 }, ptr %t302
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4076, i64 4, i64 0 }, ptr %t303
+  %t304 = insertvalue { ptr, i64, i64 } undef, ptr %t298, 0
+  %t305 = insertvalue { ptr, i64, i64 } %t304, i64 5, 1
+  %t306 = insertvalue { ptr, i64, i64 } %t305, i64 5, 2
+  store { ptr, i64, i64 } %t306, ptr %a307
+  %t308 = getelementptr inbounds { ptr, i64, i64 }, ptr %a296, i32 0, i32 1
+  %t309 = load { ptr, i64, i64 }, ptr %a2
+  store i64 -1, ptr %a310
+  %t311 = load i64, ptr %t308
+  %t312 = load ptr, ptr %a296
+  store i64 0, ptr %a313
+  br label %find.cond6295
+find.cond6295:
+  %t314 = load i64, ptr %a313
+  %t315 = icmp slt i64 %t314, %t311
+  br i1 %t315, label %find.body6296, label %find.end6299
+find.body6296:
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t312, i64 %t314
+  %t317 = load { ptr, i64, i64 }, ptr %t316
+  store { ptr, i64, i64 } %t317, ptr %a318
+  store { ptr, i64, i64 } %t309, ptr %a319
+  %t320 = call i32 @finch_str_eq(ptr %a318, ptr %a319)
+  %t321 = icmp ne i32 %t320, 0
+  br i1 %t321, label %find.hit6297, label %find.next6298
+find.hit6297:
+  store i64 %t314, ptr %a310
+  br label %find.end6299
+find.next6298:
+  %t322 = add i64 %t314, 1
+  store i64 %t322, ptr %a313
+  br label %find.cond6295
+find.end6299:
+  %t323 = load i64, ptr %a310
+  store i64 %t323, ptr %a324
+  %t325 = load i64, ptr %a324
+  %t326 = icmp slt i64 %t325, 0
+  br i1 %t326, label %then6300, label %endif6302
+then6300:
+  %t327 = load ptr, ptr %a1
+  %t328 = load { ptr, i64, i64 }, ptr %a2
+  %t329 = load %S.gen.Val, ptr %a6
+  %t330 = load %S.gen.Val, ptr %a10
+  %t331 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t327, { ptr, i64, i64 } %t328, %S.gen.Val %t329, %S.gen.Val %t330, %S.ast.Node %t331)
+  br label %endif6302
+endif6302:
+  %t332 = load ptr, ptr %a1
+  %t333 = load i64, ptr %a324
+  %t334 = load { ptr, i64, i64 }, ptr %a307
+  %t335 = extractvalue { ptr, i64, i64 } %t334, 1
+  %t336 = icmp uge i64 %t333, %t335
+  br i1 %t336, label %range6303, label %inrange6304
+range6303:
+  call void @finch_panic_index(ptr @.str.4077, i64 3411, i64 %t333, i64 %t335)
   unreachable
-inrange5944:
-  %t312 = extractvalue { ptr, i64, i64 } %t309, 0
-  %t313 = getelementptr inbounds { ptr, i64, i64 }, ptr %t312, i64 %t308
-  %t314 = load { ptr, i64, i64 }, ptr %t313
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.3916, i64 1, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = load ptr, ptr %a1
-  %t320 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t321 = load %S.ast.Type, ptr %t320
-  %t322 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t319, %S.ast.Type %t321)
-  store { ptr, i64, i64 } %t318, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.3917, i64 1, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  %t331 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t332 = load { ptr, i64, i64 }, ptr %t331
-  store { ptr, i64, i64 } %t330, ptr %a334
-  store { ptr, i64, i64 } %t332, ptr %a335
-  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
-  %t336 = load { ptr, i64, i64 }, ptr %a333
-  store { ptr, i64, i64 } %t336, ptr %a338
-  store { ptr, i64, i64 } { ptr @.str.3918, i64 2, i64 0 }, ptr %a339
-  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
-  %t340 = load { ptr, i64, i64 }, ptr %a337
-  %t341 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t342 = load { ptr, i64, i64 }, ptr %t341
-  store { ptr, i64, i64 } %t340, ptr %a344
-  store { ptr, i64, i64 } %t342, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  %t347 = call { ptr, i64, i64 } @finch.gen.op(ptr %t307, { ptr, i64, i64 } %t346)
-  %t348 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t347, 0
-  %t349 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t350 = load %S.ast.Type, ptr %t349
-  store %S.ast.Type %t350, ptr %a351
-  call void @finch.copy.S_ast_Type(ptr %a352, ptr %a351)
-  %t353 = load %S.ast.Type, ptr %a352
-  %t354 = insertvalue %S.gen.Val %t348, %S.ast.Type %t353, 1
-  ret %S.gen.Val %t354
-endif5934:
-  %t355 = load ptr, ptr %a1
-  %t356 = load { ptr, i64, i64 }, ptr %a2
-  %t357 = load %S.gen.Val, ptr %a6
-  %t358 = load %S.gen.Val, ptr %a10
-  %t359 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t355, { ptr, i64, i64 } %t356, %S.gen.Val %t357, %S.gen.Val %t358, %S.ast.Node %t359)
-  %t360 = load %S.gen.Val, ptr %a6
-  store %S.gen.Val %t360, ptr %a361
-  call void @finch.copy.S_gen_Val(ptr %a362, ptr %a361)
-  %t363 = load %S.gen.Val, ptr %a362
-  ret %S.gen.Val %t363
+inrange6304:
+  %t337 = extractvalue { ptr, i64, i64 } %t334, 0
+  %t338 = getelementptr inbounds { ptr, i64, i64 }, ptr %t337, i64 %t333
+  %t339 = load { ptr, i64, i64 }, ptr %t338
+  store { ptr, i64, i64 } %t339, ptr %a341
+  store { ptr, i64, i64 } { ptr @.str.4078, i64 1, i64 0 }, ptr %a342
+  call void @finch_str_concat(ptr %a340, ptr %a341, ptr %a342)
+  %t343 = load { ptr, i64, i64 }, ptr %a340
+  %t344 = load ptr, ptr %a1
+  %t345 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t346 = load %S.ast.Type, ptr %t345
+  %t347 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t344, %S.ast.Type %t346)
+  store { ptr, i64, i64 } %t343, ptr %a349
+  store { ptr, i64, i64 } %t347, ptr %a350
+  call void @finch_str_concat(ptr %a348, ptr %a349, ptr %a350)
+  store { ptr, i64, i64 } %t343, ptr %a351
+  call void @finch_str_drop(ptr %a351)
+  store { ptr, i64, i64 } %t347, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a348
+  store { ptr, i64, i64 } %t353, ptr %a355
+  store { ptr, i64, i64 } { ptr @.str.4079, i64 1, i64 0 }, ptr %a356
+  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
+  store { ptr, i64, i64 } %t353, ptr %a357
+  call void @finch_str_drop(ptr %a357)
+  %t358 = load { ptr, i64, i64 }, ptr %a354
+  %t359 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t360 = load { ptr, i64, i64 }, ptr %t359
+  store { ptr, i64, i64 } %t358, ptr %a362
+  store { ptr, i64, i64 } %t360, ptr %a363
+  call void @finch_str_concat(ptr %a361, ptr %a362, ptr %a363)
+  store { ptr, i64, i64 } %t358, ptr %a364
+  call void @finch_str_drop(ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a361
+  store { ptr, i64, i64 } %t365, ptr %a367
+  store { ptr, i64, i64 } { ptr @.str.4080, i64 2, i64 0 }, ptr %a368
+  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
+  store { ptr, i64, i64 } %t365, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = load { ptr, i64, i64 }, ptr %a366
+  %t371 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t372 = load { ptr, i64, i64 }, ptr %t371
+  store { ptr, i64, i64 } %t370, ptr %a374
+  store { ptr, i64, i64 } %t372, ptr %a375
+  call void @finch_str_concat(ptr %a373, ptr %a374, ptr %a375)
+  store { ptr, i64, i64 } %t370, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = load { ptr, i64, i64 }, ptr %a373
+  %t378 = call { ptr, i64, i64 } @finch.gen.op(ptr %t332, { ptr, i64, i64 } %t377)
+  store { ptr, i64, i64 } %t377, ptr %a379
+  call void @finch_str_drop(ptr %a379)
+  %t380 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t378, 0
+  %t381 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t382 = load %S.ast.Type, ptr %t381
+  store %S.ast.Type %t382, ptr %a383
+  call void @finch.copy.S_ast_Type(ptr %a384, ptr %a383)
+  %t385 = load %S.ast.Type, ptr %a384
+  %t386 = insertvalue %S.gen.Val %t380, %S.ast.Type %t385, 1
+  call void @finch.drop.arr_str(ptr %a307)
+  call void @finch.drop.arr_str(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t386
+endif6294:
+  %t387 = load ptr, ptr %a1
+  %t388 = load { ptr, i64, i64 }, ptr %a2
+  %t389 = load %S.gen.Val, ptr %a6
+  %t390 = load %S.gen.Val, ptr %a10
+  %t391 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t387, { ptr, i64, i64 } %t388, %S.gen.Val %t389, %S.gen.Val %t390, %S.ast.Node %t391)
+  %t392 = load %S.gen.Val, ptr %a6
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  ret %S.gen.Val %t392
 }
 
 define internal %S.gen.Val @finch.gen.compare(ptr %p0, { ptr, i64, i64 } %p1, %S.gen.Val %p2, %S.gen.Val %p3, %S.ast.Node %p4) {
@@ -53423,155 +63083,212 @@ entry:
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
   %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca i64, align 16
-  %a282 = alloca i64, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
-  %a301 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca i64, align 16
+  %a330 = alloca i64, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
   %a348 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
   %a351 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
   %a361 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
   %a367 = alloca { ptr, i64, i64 }, align 16
   %a368 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
   %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
   %a378 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a403 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
   %a425 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
   %a430 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
   %a438 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
   %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
   %a448 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a458 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a515 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a517 = alloca { ptr, i64, i64 }, align 16
+  %a519 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.gen.Val %p2, ptr %a3
@@ -53585,623 +63302,774 @@ entry:
   store %S.ast.Node %p4, ptr %a11
   %t12 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.3919, i64 2, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.4081, i64 2, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.from5945
-logic.from5945:
-  br i1 %t16, label %logic.end5947, label %logic.rhs5946
-logic.rhs5946:
+  br label %logic.from6305
+logic.from6305:
+  br i1 %t16, label %logic.end6307, label %logic.rhs6306
+logic.rhs6306:
   %t17 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t17, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.3920, i64 2, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.4082, i64 2, i64 0 }, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp ne i32 %t20, 0
-  br label %logic.rend5948
-logic.rend5948:
-  br label %logic.end5947
-logic.end5947:
-  %t22 = phi i1 [ true, %logic.from5945 ], [ %t21, %logic.rend5948 ]
+  br label %logic.rend6308
+logic.rend6308:
+  br label %logic.end6307
+logic.end6307:
+  %t22 = phi i1 [ true, %logic.from6305 ], [ %t21, %logic.rend6308 ]
   store i1 %t22, ptr %a23
   %t24 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t25 = getelementptr inbounds %S.ast.Type, ptr %t24, i32 0, i32 0
   %t26 = load { ptr, i64, i64 }, ptr %t25
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.3921, i64 3, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.4083, i64 3, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br label %logic.from5949
-logic.from5949:
-  br i1 %t30, label %logic.end5951, label %logic.rhs5950
-logic.rhs5950:
+  br label %logic.from6309
+logic.from6309:
+  br i1 %t30, label %logic.end6311, label %logic.rhs6310
+logic.rhs6310:
   %t31 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i32 0, i32 0
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.3922, i64 3, i64 0 }, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.4084, i64 3, i64 0 }, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br label %logic.rend5952
-logic.rend5952:
-  br label %logic.end5951
-logic.end5951:
-  %t38 = phi i1 [ true, %logic.from5949 ], [ %t37, %logic.rend5952 ]
-  br label %logic.from5953
-logic.from5953:
-  br i1 %t38, label %logic.end5955, label %logic.rhs5954
-logic.rhs5954:
+  br label %logic.rend6312
+logic.rend6312:
+  br label %logic.end6311
+logic.end6311:
+  %t38 = phi i1 [ true, %logic.from6309 ], [ %t37, %logic.rend6312 ]
+  br label %logic.from6313
+logic.from6313:
+  br i1 %t38, label %logic.end6315, label %logic.rhs6314
+logic.rhs6314:
   %t39 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t40 = getelementptr inbounds %S.ast.Type, ptr %t39, i32 0, i32 0
   %t41 = load { ptr, i64, i64 }, ptr %t40
   store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.3923, i64 4, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.4085, i64 4, i64 0 }, ptr %a43
   %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
   %t45 = icmp ne i32 %t44, 0
-  br label %logic.rend5956
-logic.rend5956:
-  br label %logic.end5955
-logic.end5955:
-  %t46 = phi i1 [ true, %logic.from5953 ], [ %t45, %logic.rend5956 ]
-  br label %logic.from5957
-logic.from5957:
-  br i1 %t46, label %logic.end5959, label %logic.rhs5958
-logic.rhs5958:
+  br label %logic.rend6316
+logic.rend6316:
+  br label %logic.end6315
+logic.end6315:
+  %t46 = phi i1 [ true, %logic.from6313 ], [ %t45, %logic.rend6316 ]
+  br label %logic.from6317
+logic.from6317:
+  br i1 %t46, label %logic.end6319, label %logic.rhs6318
+logic.rhs6318:
   %t47 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t48 = getelementptr inbounds %S.ast.Type, ptr %t47, i32 0, i32 0
   %t49 = load { ptr, i64, i64 }, ptr %t48
   store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.3924, i64 4, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.4086, i64 4, i64 0 }, ptr %a51
   %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
   %t53 = icmp ne i32 %t52, 0
-  br label %logic.rend5960
-logic.rend5960:
-  br label %logic.end5959
-logic.end5959:
-  %t54 = phi i1 [ true, %logic.from5957 ], [ %t53, %logic.rend5960 ]
-  br i1 %t54, label %then5961, label %endif5963
-then5961:
+  br label %logic.rend6320
+logic.rend6320:
+  br label %logic.end6319
+logic.end6319:
+  %t54 = phi i1 [ true, %logic.from6317 ], [ %t53, %logic.rend6320 ]
+  br i1 %t54, label %then6321, label %endif6323
+then6321:
   %t55 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t56 = getelementptr inbounds %S.ast.Type, ptr %t55, i32 0, i32 0
   %t57 = load { ptr, i64, i64 }, ptr %t56
   store { ptr, i64, i64 } %t57, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.3925, i64 3, i64 0 }, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.4087, i64 3, i64 0 }, ptr %a59
   %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
   %t61 = icmp ne i32 %t60, 0
-  br label %logic.from5964
-logic.from5964:
-  br i1 %t61, label %logic.end5966, label %logic.rhs5965
-logic.rhs5965:
+  br label %logic.from6324
+logic.from6324:
+  br i1 %t61, label %logic.end6326, label %logic.rhs6325
+logic.rhs6325:
   %t62 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
   %t63 = getelementptr inbounds %S.ast.Type, ptr %t62, i32 0, i32 0
   %t64 = load { ptr, i64, i64 }, ptr %t63
   store { ptr, i64, i64 } %t64, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.3926, i64 3, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4088, i64 3, i64 0 }, ptr %a66
   %t67 = call i32 @finch_str_eq(ptr %a65, ptr %a66)
   %t68 = icmp ne i32 %t67, 0
-  br label %logic.rend5967
-logic.rend5967:
-  br label %logic.end5966
-logic.end5966:
-  %t69 = phi i1 [ true, %logic.from5964 ], [ %t68, %logic.rend5967 ]
-  br i1 %t69, label %then5968, label %endif5970
-then5968:
+  br label %logic.rend6327
+logic.rend6327:
+  br label %logic.end6326
+logic.end6326:
+  %t69 = phi i1 [ true, %logic.from6324 ], [ %t68, %logic.rend6327 ]
+  br i1 %t69, label %then6328, label %endif6330
+then6328:
   %t70 = load ptr, ptr %a1
   %t71 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t71, { ptr, i64, i64 } { ptr @.str.3927, i64 59, i64 0 })
-  br label %endif5970
-endif5970:
+  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t71, { ptr, i64, i64 } { ptr @.str.4089, i64 59, i64 0 })
+  br label %endif6330
+endif6330:
   %t72 = load i1, ptr %a23
   %t73 = xor i1 %t72, true
-  br i1 %t73, label %then5971, label %endif5973
-then5971:
+  br i1 %t73, label %then6331, label %endif6333
+then6331:
   %t74 = load ptr, ptr %a1
   %t75 = load { ptr, i64, i64 }, ptr %a2
   %t76 = load %S.gen.Val, ptr %a6
   %t77 = load %S.gen.Val, ptr %a10
   %t78 = load %S.ast.Node, ptr %a11
   call void @finch.gen.badOperands(ptr %t74, { ptr, i64, i64 } %t75, %S.gen.Val %t76, %S.gen.Val %t77, %S.ast.Node %t78)
-  br label %endif5973
-endif5973:
-  store { ptr, i64, i64 } { ptr @.str.3928, i64 2, i64 0 }, ptr %a79
+  br label %endif6333
+endif6333:
+  store { ptr, i64, i64 } { ptr @.str.4090, i64 2, i64 0 }, ptr %a79
   %t80 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.3929, i64 2, i64 0 }, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.4091, i64 2, i64 0 }, ptr %a82
   %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
   %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %then5974, label %endif5976
-then5974:
-  store { ptr, i64, i64 } { ptr @.str.3930, i64 2, i64 0 }, ptr %a79
-  br label %endif5976
-endif5976:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.3931, i64 5, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.3932, i64 5, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t96 = load { ptr, i64, i64 }, ptr %t95
-  store { ptr, i64, i64 } %t94, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.3933, i64 2, i64 0 }, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  %t105 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t106 = load { ptr, i64, i64 }, ptr %t105
+  br i1 %t84, label %then6334, label %endif6336
+then6334:
+  %t85 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4092, i64 2, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  br label %endif6336
+endif6336:
+  %t87 = load ptr, ptr %a1
+  %t88 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4093, i64 5, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4094, i64 5, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t99 = load { ptr, i64, i64 }, ptr %t98
+  store { ptr, i64, i64 } %t97, ptr %a101
+  store { ptr, i64, i64 } %t99, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t97, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.4095, i64 2, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
   store { ptr, i64, i64 } %t104, ptr %a108
-  store { ptr, i64, i64 } %t106, ptr %a109
-  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
-  %t110 = load { ptr, i64, i64 }, ptr %a107
-  %t111 = call { ptr, i64, i64 } @finch.gen.op(ptr %t85, { ptr, i64, i64 } %t110)
-  %t112 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t111, 0
-  %t113 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3934, i64 4, i64 0 })
-  %t114 = insertvalue %S.gen.Val %t112, %S.ast.Type %t113, 1
-  ret %S.gen.Val %t114
-endif5963:
-  %t115 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t116 = getelementptr inbounds %S.ast.Type, ptr %t115, i32 0, i32 0
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  store { ptr, i64, i64 } %t117, ptr %a118
-  store { ptr, i64, i64 } { ptr @.str.3935, i64 3, i64 0 }, ptr %a119
-  %t120 = call i32 @finch_str_eq(ptr %a118, ptr %a119)
-  %t121 = icmp ne i32 %t120, 0
-  br label %logic.from5977
-logic.from5977:
-  br i1 %t121, label %logic.rhs5978, label %logic.end5979
-logic.rhs5978:
-  %t122 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t111 = load { ptr, i64, i64 }, ptr %t110
+  store { ptr, i64, i64 } %t109, ptr %a113
+  store { ptr, i64, i64 } %t111, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  store { ptr, i64, i64 } %t109, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a112
+  %t117 = call { ptr, i64, i64 } @finch.gen.op(ptr %t87, { ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t116, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t117, 0
+  %t120 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4096, i64 4, i64 0 })
+  %t121 = insertvalue %S.gen.Val %t119, %S.ast.Type %t120, 1
+  call void @finch_str_drop(ptr %a79)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t121
+endif6323:
+  %t122 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
   %t123 = getelementptr inbounds %S.ast.Type, ptr %t122, i32 0, i32 0
   %t124 = load { ptr, i64, i64 }, ptr %t123
   store { ptr, i64, i64 } %t124, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.3936, i64 3, i64 0 }, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.4097, i64 3, i64 0 }, ptr %a126
   %t127 = call i32 @finch_str_eq(ptr %a125, ptr %a126)
   %t128 = icmp ne i32 %t127, 0
-  br label %logic.rend5980
-logic.rend5980:
-  br label %logic.end5979
-logic.end5979:
-  %t129 = phi i1 [ false, %logic.from5977 ], [ %t128, %logic.rend5980 ]
-  br i1 %t129, label %then5981, label %endif5983
-then5981:
-  %t130 = load i1, ptr %a23
-  br i1 %t130, label %then5984, label %endif5986
-then5984:
-  %t131 = load ptr, ptr %a1
-  %t132 = load ptr, ptr %a1
-  %t133 = load %S.gen.Val, ptr %a6
-  %t134 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t132, %S.gen.Val %t133)
-  store { ptr, i64, i64 } { ptr @.str.3937, i64 27, i64 0 }, ptr %a136
-  store { ptr, i64, i64 } %t134, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.3938, i64 6, i64 0 }, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load ptr, ptr %a1
-  %t144 = load %S.gen.Val, ptr %a10
-  %t145 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t143, %S.gen.Val %t144)
-  store { ptr, i64, i64 } %t142, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t149, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.3939, i64 1, i64 0 }, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  %t154 = call { ptr, i64, i64 } @finch.gen.op(ptr %t131, { ptr, i64, i64 } %t153)
-  store { ptr, i64, i64 } %t154, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.3940, i64 2, i64 0 }, ptr %a156
-  %t157 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t157, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.3941, i64 2, i64 0 }, ptr %a159
-  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
-  %t161 = icmp ne i32 %t160, 0
-  br i1 %t161, label %then5987, label %endif5989
-then5987:
-  store { ptr, i64, i64 } { ptr @.str.3942, i64 2, i64 0 }, ptr %a156
-  br label %endif5989
-endif5989:
-  %t162 = load ptr, ptr %a1
-  %t163 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } { ptr @.str.3943, i64 5, i64 0 }, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  store { ptr, i64, i64 } { ptr @.str.3944, i64 5, i64 0 }, ptr %a170
-  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  %t172 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t171, ptr %a174
-  store { ptr, i64, i64 } %t172, ptr %a175
-  call void @finch_str_concat(ptr %a173, ptr %a174, ptr %a175)
-  %t176 = load { ptr, i64, i64 }, ptr %a173
-  store { ptr, i64, i64 } %t176, ptr %a178
-  store { ptr, i64, i64 } { ptr @.str.3945, i64 3, i64 0 }, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  %t181 = call { ptr, i64, i64 } @finch.gen.op(ptr %t162, { ptr, i64, i64 } %t180)
-  %t182 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t181, 0
-  %t183 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3946, i64 4, i64 0 })
-  %t184 = insertvalue %S.gen.Val %t182, %S.ast.Type %t183, 1
-  ret %S.gen.Val %t184
-endif5986:
-  %t185 = load ptr, ptr %a1
-  %t186 = load ptr, ptr %a1
-  %t187 = load %S.gen.Val, ptr %a6
-  %t188 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t186, %S.gen.Val %t187)
-  store { ptr, i64, i64 } { ptr @.str.3947, i64 28, i64 0 }, ptr %a190
+  br label %logic.from6337
+logic.from6337:
+  br i1 %t128, label %logic.rhs6338, label %logic.end6339
+logic.rhs6338:
+  %t129 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 1
+  %t130 = getelementptr inbounds %S.ast.Type, ptr %t129, i32 0, i32 0
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t131, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.4098, i64 3, i64 0 }, ptr %a133
+  %t134 = call i32 @finch_str_eq(ptr %a132, ptr %a133)
+  %t135 = icmp ne i32 %t134, 0
+  br label %logic.rend6340
+logic.rend6340:
+  br label %logic.end6339
+logic.end6339:
+  %t136 = phi i1 [ false, %logic.from6337 ], [ %t135, %logic.rend6340 ]
+  br i1 %t136, label %then6341, label %endif6343
+then6341:
+  %t137 = load i1, ptr %a23
+  br i1 %t137, label %then6344, label %endif6346
+then6344:
+  %t138 = load ptr, ptr %a1
+  %t139 = load ptr, ptr %a1
+  %t140 = load %S.gen.Val, ptr %a6
+  %t141 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t139, %S.gen.Val %t140)
+  store { ptr, i64, i64 } { ptr @.str.4099, i64 27, i64 0 }, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.4100, i64 6, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = load ptr, ptr %a1
+  %t153 = load %S.gen.Val, ptr %a10
+  %t154 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t152, %S.gen.Val %t153)
+  store { ptr, i64, i64 } %t151, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t151, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  store { ptr, i64, i64 } %t154, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t160, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.4101, i64 1, i64 0 }, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  store { ptr, i64, i64 } %t160, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  %t165 = load { ptr, i64, i64 }, ptr %a161
+  %t166 = call { ptr, i64, i64 } @finch.gen.op(ptr %t138, { ptr, i64, i64 } %t165)
+  store { ptr, i64, i64 } %t165, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  store { ptr, i64, i64 } %t166, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4102, i64 2, i64 0 }, ptr %a169
+  %t170 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t170, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.4103, i64 2, i64 0 }, ptr %a172
+  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
+  %t174 = icmp ne i32 %t173, 0
+  br i1 %t174, label %then6347, label %endif6349
+then6347:
+  %t175 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4104, i64 2, i64 0 }, ptr %a169
+  store { ptr, i64, i64 } %t175, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  br label %endif6349
+endif6349:
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4105, i64 5, i64 0 }, ptr %a180
+  store { ptr, i64, i64 } %t178, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.4106, i64 5, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t187, ptr %a190
   store { ptr, i64, i64 } %t188, ptr %a191
   call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.3948, i64 6, i64 0 }, ptr %a195
-  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load ptr, ptr %a1
-  %t198 = load %S.gen.Val, ptr %a10
-  %t199 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t197, %S.gen.Val %t198)
-  store { ptr, i64, i64 } %t196, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.3949, i64 1, i64 0 }, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = call { ptr, i64, i64 } @finch.gen.op(ptr %t185, { ptr, i64, i64 } %t207)
-  store { ptr, i64, i64 } %t208, ptr %a209
-  %t210 = load ptr, ptr %a1
-  %t211 = load { ptr, i64, i64 }, ptr %a2
-  %t212 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t211, i1 true)
-  store { ptr, i64, i64 } { ptr @.str.3950, i64 5, i64 0 }, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  store { ptr, i64, i64 } %t216, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.3951, i64 5, i64 0 }, ptr %a219
+  store { ptr, i64, i64 } %t187, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t193, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4107, i64 3, i64 0 }, ptr %a196
+  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
+  store { ptr, i64, i64 } %t193, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a194
+  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t177, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t198, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  store { ptr, i64, i64 } %t199, ptr %a201
+  %t202 = load ptr, ptr %a1
+  %t203 = load %S.gen.Val, ptr %a6
+  call void @finch.gen.release(ptr %t202, %S.gen.Val %t203)
+  %t204 = load ptr, ptr %a1
+  %t205 = load %S.gen.Val, ptr %a10
+  call void @finch.gen.release(ptr %t204, %S.gen.Val %t205)
+  %t206 = load { ptr, i64, i64 }, ptr %a201
+  store { ptr, i64, i64 } %t206, ptr %a207
+  call void @finch_str_copy(ptr %a208, ptr %a207)
+  %t209 = load { ptr, i64, i64 }, ptr %a208
+  %t210 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t209, 0
+  %t211 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4108, i64 4, i64 0 })
+  %t212 = insertvalue %S.gen.Val %t210, %S.ast.Type %t211, 1
+  call void @finch_str_drop(ptr %a201)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a168)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t212
+endif6346:
+  %t213 = load ptr, ptr %a1
+  %t214 = load ptr, ptr %a1
+  %t215 = load %S.gen.Val, ptr %a6
+  %t216 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t214, %S.gen.Val %t215)
+  store { ptr, i64, i64 } { ptr @.str.4109, i64 28, i64 0 }, ptr %a218
+  store { ptr, i64, i64 } %t216, ptr %a219
   call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  %t221 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t220, ptr %a223
-  store { ptr, i64, i64 } %t221, ptr %a224
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_drop(ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  store { ptr, i64, i64 } %t221, ptr %a223
+  store { ptr, i64, i64 } { ptr @.str.4110, i64 6, i64 0 }, ptr %a224
   call void @finch_str_concat(ptr %a222, ptr %a223, ptr %a224)
-  %t225 = load { ptr, i64, i64 }, ptr %a222
-  store { ptr, i64, i64 } %t225, ptr %a227
-  store { ptr, i64, i64 } { ptr @.str.3952, i64 3, i64 0 }, ptr %a228
-  call void @finch_str_concat(ptr %a226, ptr %a227, ptr %a228)
-  %t229 = load { ptr, i64, i64 }, ptr %a226
-  %t230 = call { ptr, i64, i64 } @finch.gen.op(ptr %t210, { ptr, i64, i64 } %t229)
-  %t231 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t230, 0
-  %t232 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3953, i64 4, i64 0 })
-  %t233 = insertvalue %S.gen.Val %t231, %S.ast.Type %t232, 1
-  ret %S.gen.Val %t233
-endif5983:
-  %t234 = load ptr, ptr %a1
-  %t235 = call i1 @finch.gen.unify(ptr %t234, ptr %a6, ptr %a10)
-  %t236 = xor i1 %t235, true
-  br i1 %t236, label %then5990, label %endif5992
-then5990:
-  %t237 = load ptr, ptr %a1
-  %t238 = load { ptr, i64, i64 }, ptr %a2
-  %t239 = load %S.gen.Val, ptr %a6
-  %t240 = load %S.gen.Val, ptr %a10
-  %t241 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t237, { ptr, i64, i64 } %t238, %S.gen.Val %t239, %S.gen.Val %t240, %S.ast.Node %t241)
-  br label %endif5992
-endif5992:
-  %t242 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t243 = getelementptr inbounds %S.ast.Type, ptr %t242, i32 0, i32 0
-  %t244 = load { ptr, i64, i64 }, ptr %t243
-  store { ptr, i64, i64 } %t244, ptr %a245
-  call void @finch_str_copy(ptr %a246, ptr %a245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t250 = load %S.ast.Type, ptr %t249
-  %t251 = call i1 @finch.gen.isFloat(%S.ast.Type %t250)
-  br i1 %t251, label %then5993, label %endif5995
-then5993:
-  %t252 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t253 = call ptr @finch_alloc(i64 %t252)
-  %t254 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3954, i64 2, i64 0 }, ptr %t254
-  %t255 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3955, i64 2, i64 0 }, ptr %t255
-  %t256 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3956, i64 1, i64 0 }, ptr %t256
-  %t257 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3957, i64 2, i64 0 }, ptr %t257
-  %t258 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3958, i64 1, i64 0 }, ptr %t258
-  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3959, i64 2, i64 0 }, ptr %t259
-  %t260 = insertvalue { ptr, i64, i64 } undef, ptr %t253, 0
-  %t261 = insertvalue { ptr, i64, i64 } %t260, i64 6, 1
-  %t262 = insertvalue { ptr, i64, i64 } %t261, i64 6, 2
-  store { ptr, i64, i64 } %t262, ptr %a263
-  %t264 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t265 = call ptr @finch_alloc(i64 %t264)
-  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3960, i64 3, i64 0 }, ptr %t266
-  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3961, i64 3, i64 0 }, ptr %t267
-  %t268 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3962, i64 3, i64 0 }, ptr %t268
-  %t269 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3963, i64 3, i64 0 }, ptr %t269
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3964, i64 3, i64 0 }, ptr %t270
-  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3965, i64 3, i64 0 }, ptr %t271
-  %t272 = insertvalue { ptr, i64, i64 } undef, ptr %t265, 0
-  %t273 = insertvalue { ptr, i64, i64 } %t272, i64 6, 1
-  %t274 = insertvalue { ptr, i64, i64 } %t273, i64 6, 2
-  store { ptr, i64, i64 } %t274, ptr %a275
-  %t276 = load ptr, ptr %a1
-  %t277 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
-  %t278 = load { ptr, i64, i64 }, ptr %a2
-  store i64 -1, ptr %a279
-  %t280 = load i64, ptr %t277
-  %t281 = load ptr, ptr %a263
-  store i64 0, ptr %a282
-  br label %find.cond5996
-find.cond5996:
-  %t283 = load i64, ptr %a282
-  %t284 = icmp slt i64 %t283, %t280
-  br i1 %t284, label %find.body5997, label %find.end6000
-find.body5997:
-  %t285 = getelementptr inbounds { ptr, i64, i64 }, ptr %t281, i64 %t283
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  store { ptr, i64, i64 } %t286, ptr %a287
-  store { ptr, i64, i64 } %t278, ptr %a288
-  %t289 = call i32 @finch_str_eq(ptr %a287, ptr %a288)
-  %t290 = icmp ne i32 %t289, 0
-  br i1 %t290, label %find.hit5998, label %find.next5999
-find.hit5998:
-  store i64 %t283, ptr %a279
-  br label %find.end6000
-find.next5999:
-  %t291 = add i64 %t283, 1
-  store i64 %t291, ptr %a282
-  br label %find.cond5996
-find.end6000:
-  %t292 = load i64, ptr %a279
-  %t293 = load { ptr, i64, i64 }, ptr %a275
-  %t294 = extractvalue { ptr, i64, i64 } %t293, 1
-  %t295 = icmp uge i64 %t292, %t294
-  br i1 %t295, label %range6001, label %inrange6002
-range6001:
-  call void @finch_panic_index(ptr @.str.3967, i64 3194, i64 %t292, i64 %t294)
+  store { ptr, i64, i64 } %t221, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load { ptr, i64, i64 }, ptr %a222
+  %t227 = load ptr, ptr %a1
+  %t228 = load %S.gen.Val, ptr %a10
+  %t229 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t227, %S.gen.Val %t228)
+  store { ptr, i64, i64 } %t226, ptr %a231
+  store { ptr, i64, i64 } %t229, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  store { ptr, i64, i64 } %t226, ptr %a233
+  call void @finch_str_drop(ptr %a233)
+  store { ptr, i64, i64 } %t229, ptr %a234
+  call void @finch_str_drop(ptr %a234)
+  %t235 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t235, ptr %a237
+  store { ptr, i64, i64 } { ptr @.str.4111, i64 1, i64 0 }, ptr %a238
+  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
+  store { ptr, i64, i64 } %t235, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  %t240 = load { ptr, i64, i64 }, ptr %a236
+  %t241 = call { ptr, i64, i64 } @finch.gen.op(ptr %t213, { ptr, i64, i64 } %t240)
+  store { ptr, i64, i64 } %t240, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  store { ptr, i64, i64 } %t241, ptr %a243
+  %t244 = load ptr, ptr %a1
+  %t245 = load { ptr, i64, i64 }, ptr %a2
+  %t246 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t245, i1 true)
+  store { ptr, i64, i64 } { ptr @.str.4112, i64 5, i64 0 }, ptr %a248
+  store { ptr, i64, i64 } %t246, ptr %a249
+  call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
+  store { ptr, i64, i64 } %t246, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.4113, i64 5, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  %t257 = load { ptr, i64, i64 }, ptr %a243
+  store { ptr, i64, i64 } %t256, ptr %a259
+  store { ptr, i64, i64 } %t257, ptr %a260
+  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  call void @finch_str_drop(ptr %a261)
+  %t262 = load { ptr, i64, i64 }, ptr %a258
+  store { ptr, i64, i64 } %t262, ptr %a264
+  store { ptr, i64, i64 } { ptr @.str.4114, i64 3, i64 0 }, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  store { ptr, i64, i64 } %t262, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  %t268 = call { ptr, i64, i64 } @finch.gen.op(ptr %t244, { ptr, i64, i64 } %t267)
+  store { ptr, i64, i64 } %t267, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  store { ptr, i64, i64 } %t268, ptr %a270
+  %t271 = load ptr, ptr %a1
+  %t272 = load %S.gen.Val, ptr %a6
+  call void @finch.gen.release(ptr %t271, %S.gen.Val %t272)
+  %t273 = load ptr, ptr %a1
+  %t274 = load %S.gen.Val, ptr %a10
+  call void @finch.gen.release(ptr %t273, %S.gen.Val %t274)
+  %t275 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t275, ptr %a276
+  call void @finch_str_copy(ptr %a277, ptr %a276)
+  %t278 = load { ptr, i64, i64 }, ptr %a277
+  %t279 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t278, 0
+  %t280 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4115, i64 4, i64 0 })
+  %t281 = insertvalue %S.gen.Val %t279, %S.ast.Type %t280, 1
+  call void @finch_str_drop(ptr %a270)
+  call void @finch_str_drop(ptr %a243)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t281
+endif6343:
+  %t282 = load ptr, ptr %a1
+  %t283 = call i1 @finch.gen.unify(ptr %t282, ptr %a6, ptr %a10)
+  %t284 = xor i1 %t283, true
+  br i1 %t284, label %then6350, label %endif6352
+then6350:
+  %t285 = load ptr, ptr %a1
+  %t286 = load { ptr, i64, i64 }, ptr %a2
+  %t287 = load %S.gen.Val, ptr %a6
+  %t288 = load %S.gen.Val, ptr %a10
+  %t289 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t285, { ptr, i64, i64 } %t286, %S.gen.Val %t287, %S.gen.Val %t288, %S.ast.Node %t289)
+  br label %endif6352
+endif6352:
+  %t290 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t291 = getelementptr inbounds %S.ast.Type, ptr %t290, i32 0, i32 0
+  %t292 = load { ptr, i64, i64 }, ptr %t291
+  store { ptr, i64, i64 } %t292, ptr %a293
+  call void @finch_str_copy(ptr %a294, ptr %a293)
+  %t295 = load { ptr, i64, i64 }, ptr %a294
+  store { ptr, i64, i64 } %t295, ptr %a296
+  %t297 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t298 = load %S.ast.Type, ptr %t297
+  %t299 = call i1 @finch.gen.isFloat(%S.ast.Type %t298)
+  br i1 %t299, label %then6353, label %endif6355
+then6353:
+  %t300 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t301 = call ptr @finch_alloc(i64 %t300)
+  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4116, i64 2, i64 0 }, ptr %t302
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4117, i64 2, i64 0 }, ptr %t303
+  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4118, i64 1, i64 0 }, ptr %t304
+  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4119, i64 2, i64 0 }, ptr %t305
+  %t306 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4120, i64 1, i64 0 }, ptr %t306
+  %t307 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4121, i64 2, i64 0 }, ptr %t307
+  %t308 = insertvalue { ptr, i64, i64 } undef, ptr %t301, 0
+  %t309 = insertvalue { ptr, i64, i64 } %t308, i64 6, 1
+  %t310 = insertvalue { ptr, i64, i64 } %t309, i64 6, 2
+  store { ptr, i64, i64 } %t310, ptr %a311
+  %t312 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t313 = call ptr @finch_alloc(i64 %t312)
+  %t314 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 0
+  store { ptr, i64, i64 } { ptr @.str.4122, i64 3, i64 0 }, ptr %t314
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 1
+  store { ptr, i64, i64 } { ptr @.str.4123, i64 3, i64 0 }, ptr %t315
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 2
+  store { ptr, i64, i64 } { ptr @.str.4124, i64 3, i64 0 }, ptr %t316
+  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 3
+  store { ptr, i64, i64 } { ptr @.str.4125, i64 3, i64 0 }, ptr %t317
+  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 4
+  store { ptr, i64, i64 } { ptr @.str.4126, i64 3, i64 0 }, ptr %t318
+  %t319 = getelementptr inbounds { ptr, i64, i64 }, ptr %t313, i64 5
+  store { ptr, i64, i64 } { ptr @.str.4127, i64 3, i64 0 }, ptr %t319
+  %t320 = insertvalue { ptr, i64, i64 } undef, ptr %t313, 0
+  %t321 = insertvalue { ptr, i64, i64 } %t320, i64 6, 1
+  %t322 = insertvalue { ptr, i64, i64 } %t321, i64 6, 2
+  store { ptr, i64, i64 } %t322, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a311, i32 0, i32 1
+  %t326 = load { ptr, i64, i64 }, ptr %a2
+  store i64 -1, ptr %a327
+  %t328 = load i64, ptr %t325
+  %t329 = load ptr, ptr %a311
+  store i64 0, ptr %a330
+  br label %find.cond6356
+find.cond6356:
+  %t331 = load i64, ptr %a330
+  %t332 = icmp slt i64 %t331, %t328
+  br i1 %t332, label %find.body6357, label %find.end6360
+find.body6357:
+  %t333 = getelementptr inbounds { ptr, i64, i64 }, ptr %t329, i64 %t331
+  %t334 = load { ptr, i64, i64 }, ptr %t333
+  store { ptr, i64, i64 } %t334, ptr %a335
+  store { ptr, i64, i64 } %t326, ptr %a336
+  %t337 = call i32 @finch_str_eq(ptr %a335, ptr %a336)
+  %t338 = icmp ne i32 %t337, 0
+  br i1 %t338, label %find.hit6358, label %find.next6359
+find.hit6358:
+  store i64 %t331, ptr %a327
+  br label %find.end6360
+find.next6359:
+  %t339 = add i64 %t331, 1
+  store i64 %t339, ptr %a330
+  br label %find.cond6356
+find.end6360:
+  %t340 = load i64, ptr %a327
+  %t341 = load { ptr, i64, i64 }, ptr %a323
+  %t342 = extractvalue { ptr, i64, i64 } %t341, 1
+  %t343 = icmp uge i64 %t340, %t342
+  br i1 %t343, label %range6361, label %inrange6362
+range6361:
+  call void @finch_panic_index(ptr @.str.4129, i64 3457, i64 %t340, i64 %t342)
   unreachable
-inrange6002:
-  %t296 = extractvalue { ptr, i64, i64 } %t293, 0
-  %t297 = getelementptr inbounds { ptr, i64, i64 }, ptr %t296, i64 %t292
-  %t298 = load { ptr, i64, i64 }, ptr %t297
-  store { ptr, i64, i64 } { ptr @.str.3966, i64 5, i64 0 }, ptr %a300
-  store { ptr, i64, i64 } %t298, ptr %a301
-  call void @finch_str_concat(ptr %a299, ptr %a300, ptr %a301)
-  %t302 = load { ptr, i64, i64 }, ptr %a299
-  store { ptr, i64, i64 } %t302, ptr %a304
-  store { ptr, i64, i64 } { ptr @.str.3968, i64 1, i64 0 }, ptr %a305
-  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
-  %t306 = load { ptr, i64, i64 }, ptr %a303
-  %t307 = load ptr, ptr %a1
-  %t308 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t309 = load %S.ast.Type, ptr %t308
-  %t310 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t307, %S.ast.Type %t309)
-  store { ptr, i64, i64 } %t306, ptr %a312
-  store { ptr, i64, i64 } %t310, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.3969, i64 1, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t320 = load { ptr, i64, i64 }, ptr %t319
-  store { ptr, i64, i64 } %t318, ptr %a322
-  store { ptr, i64, i64 } %t320, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  store { ptr, i64, i64 } %t324, ptr %a326
-  store { ptr, i64, i64 } { ptr @.str.3970, i64 2, i64 0 }, ptr %a327
-  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
-  %t328 = load { ptr, i64, i64 }, ptr %a325
-  %t329 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store { ptr, i64, i64 } %t328, ptr %a332
-  store { ptr, i64, i64 } %t330, ptr %a333
-  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
-  %t334 = load { ptr, i64, i64 }, ptr %a331
-  %t335 = call { ptr, i64, i64 } @finch.gen.op(ptr %t276, { ptr, i64, i64 } %t334)
-  %t336 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t335, 0
-  %t337 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3971, i64 4, i64 0 })
-  %t338 = insertvalue %S.gen.Val %t336, %S.ast.Type %t337, 1
-  ret %S.gen.Val %t338
-endif5995:
-  %t339 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t339, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.3972, i64 4, i64 0 }, ptr %a341
-  %t342 = call i32 @finch_str_eq(ptr %a340, ptr %a341)
-  %t343 = icmp ne i32 %t342, 0
-  br i1 %t343, label %then6003, label %endif6005
-then6003:
-  %t344 = load i1, ptr %a23
-  %t345 = xor i1 %t344, true
-  br i1 %t345, label %then6006, label %endif6008
-then6006:
-  %t346 = load ptr, ptr %a1
-  %t347 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.fail(ptr %t346, %S.ast.Node %t347, { ptr, i64, i64 } { ptr @.str.3973, i64 115, i64 0 })
-  br label %endif6008
-endif6008:
-  store { ptr, i64, i64 } { ptr @.str.3974, i64 2, i64 0 }, ptr %a348
-  %t349 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t349, ptr %a350
-  store { ptr, i64, i64 } { ptr @.str.3975, i64 2, i64 0 }, ptr %a351
-  %t352 = call i32 @finch_str_eq(ptr %a350, ptr %a351)
-  %t353 = icmp ne i32 %t352, 0
-  br i1 %t353, label %then6009, label %endif6011
-then6009:
-  store { ptr, i64, i64 } { ptr @.str.3976, i64 2, i64 0 }, ptr %a348
-  br label %endif6011
-endif6011:
-  %t354 = load ptr, ptr %a1
-  %t355 = load { ptr, i64, i64 }, ptr %a348
-  store { ptr, i64, i64 } { ptr @.str.3977, i64 5, i64 0 }, ptr %a357
-  store { ptr, i64, i64 } %t355, ptr %a358
-  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
-  %t359 = load { ptr, i64, i64 }, ptr %a356
-  store { ptr, i64, i64 } %t359, ptr %a361
-  store { ptr, i64, i64 } { ptr @.str.3978, i64 5, i64 0 }, ptr %a362
+inrange6362:
+  %t344 = extractvalue { ptr, i64, i64 } %t341, 0
+  %t345 = getelementptr inbounds { ptr, i64, i64 }, ptr %t344, i64 %t340
+  %t346 = load { ptr, i64, i64 }, ptr %t345
+  store { ptr, i64, i64 } { ptr @.str.4128, i64 5, i64 0 }, ptr %a348
+  store { ptr, i64, i64 } %t346, ptr %a349
+  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
+  %t350 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t350, ptr %a352
+  store { ptr, i64, i64 } { ptr @.str.4130, i64 1, i64 0 }, ptr %a353
+  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
+  store { ptr, i64, i64 } %t350, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  %t355 = load { ptr, i64, i64 }, ptr %a351
+  %t356 = load ptr, ptr %a1
+  %t357 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t358 = load %S.ast.Type, ptr %t357
+  %t359 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t356, %S.ast.Type %t358)
+  store { ptr, i64, i64 } %t355, ptr %a361
+  store { ptr, i64, i64 } %t359, ptr %a362
   call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  %t364 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t365 = load { ptr, i64, i64 }, ptr %t364
-  store { ptr, i64, i64 } %t363, ptr %a367
-  store { ptr, i64, i64 } %t365, ptr %a368
+  store { ptr, i64, i64 } %t355, ptr %a363
+  call void @finch_str_drop(ptr %a363)
+  store { ptr, i64, i64 } %t359, ptr %a364
+  call void @finch_str_drop(ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a360
+  store { ptr, i64, i64 } %t365, ptr %a367
+  store { ptr, i64, i64 } { ptr @.str.4131, i64 1, i64 0 }, ptr %a368
   call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
-  %t369 = load { ptr, i64, i64 }, ptr %a366
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.3979, i64 2, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t375 = load { ptr, i64, i64 }, ptr %t374
-  store { ptr, i64, i64 } %t373, ptr %a377
-  store { ptr, i64, i64 } %t375, ptr %a378
-  call void @finch_str_concat(ptr %a376, ptr %a377, ptr %a378)
-  %t379 = load { ptr, i64, i64 }, ptr %a376
-  %t380 = call { ptr, i64, i64 } @finch.gen.op(ptr %t354, { ptr, i64, i64 } %t379)
-  %t381 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t380, 0
-  %t382 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3980, i64 4, i64 0 })
-  %t383 = insertvalue %S.gen.Val %t381, %S.ast.Type %t382, 1
-  ret %S.gen.Val %t383
-endif6005:
-  %t384 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t384, ptr %a385
-  store { ptr, i64, i64 } { ptr @.str.3981, i64 4, i64 0 }, ptr %a386
-  %t387 = call i32 @finch_str_eq(ptr %a385, ptr %a386)
-  %t388 = icmp ne i32 %t387, 0
-  br label %logic.from6012
-logic.from6012:
-  br i1 %t388, label %logic.rhs6013, label %logic.end6014
-logic.rhs6013:
-  %t389 = load i1, ptr %a23
-  %t390 = xor i1 %t389, true
-  br label %logic.rend6015
-logic.rend6015:
-  br label %logic.end6014
-logic.end6014:
-  %t391 = phi i1 [ false, %logic.from6012 ], [ %t390, %logic.rend6015 ]
-  br i1 %t391, label %then6016, label %endif6018
-then6016:
-  %t392 = load ptr, ptr %a1
-  %t393 = load { ptr, i64, i64 }, ptr %a2
-  %t394 = load %S.gen.Val, ptr %a6
-  %t395 = load %S.gen.Val, ptr %a10
-  %t396 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t392, { ptr, i64, i64 } %t393, %S.gen.Val %t394, %S.gen.Val %t395, %S.ast.Node %t396)
-  br label %endif6018
-endif6018:
-  %t397 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t398 = load %S.ast.Type, ptr %t397
-  %t399 = call i1 @finch.gen.isInt(%S.ast.Type %t398)
-  %t400 = xor i1 %t399, true
-  br label %logic.from6019
-logic.from6019:
-  br i1 %t400, label %logic.rhs6020, label %logic.end6021
-logic.rhs6020:
-  %t401 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t401, ptr %a402
-  store { ptr, i64, i64 } { ptr @.str.3982, i64 4, i64 0 }, ptr %a403
-  %t404 = call i32 @finch_str_eq(ptr %a402, ptr %a403)
-  %t405 = icmp eq i32 %t404, 0
-  br label %logic.rend6022
-logic.rend6022:
-  br label %logic.end6021
-logic.end6021:
-  %t406 = phi i1 [ false, %logic.from6019 ], [ %t405, %logic.rend6022 ]
-  br label %logic.from6023
-logic.from6023:
-  br i1 %t406, label %logic.rhs6024, label %logic.end6025
-logic.rhs6024:
-  %t407 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t407, ptr %a408
-  store { ptr, i64, i64 } { ptr @.str.3983, i64 4, i64 0 }, ptr %a409
-  %t410 = call i32 @finch_str_eq(ptr %a408, ptr %a409)
-  %t411 = icmp eq i32 %t410, 0
-  br label %logic.rend6026
-logic.rend6026:
-  br label %logic.end6025
-logic.end6025:
-  %t412 = phi i1 [ false, %logic.from6023 ], [ %t411, %logic.rend6026 ]
-  br i1 %t412, label %then6027, label %endif6029
-then6027:
-  %t413 = load ptr, ptr %a1
-  %t414 = load { ptr, i64, i64 }, ptr %a2
-  %t415 = load %S.gen.Val, ptr %a6
-  %t416 = load %S.gen.Val, ptr %a10
-  %t417 = load %S.ast.Node, ptr %a11
-  call void @finch.gen.badOperands(ptr %t413, { ptr, i64, i64 } %t414, %S.gen.Val %t415, %S.gen.Val %t416, %S.ast.Node %t417)
-  br label %endif6029
-endif6029:
-  %t418 = load ptr, ptr %a1
-  %t419 = load { ptr, i64, i64 }, ptr %a2
-  %t420 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t421 = load %S.ast.Type, ptr %t420
-  %t422 = call i1 @finch.gen.isSigned(%S.ast.Type %t421)
-  %t423 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t419, i1 %t422)
-  store { ptr, i64, i64 } { ptr @.str.3984, i64 5, i64 0 }, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t427, ptr %a429
-  store { ptr, i64, i64 } { ptr @.str.3985, i64 1, i64 0 }, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load ptr, ptr %a1
-  %t433 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
-  %t434 = load %S.ast.Type, ptr %t433
-  %t435 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t432, %S.ast.Type %t434)
-  store { ptr, i64, i64 } %t431, ptr %a437
-  store { ptr, i64, i64 } %t435, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  store { ptr, i64, i64 } %t439, ptr %a441
-  store { ptr, i64, i64 } { ptr @.str.3986, i64 1, i64 0 }, ptr %a442
-  call void @finch_str_concat(ptr %a440, ptr %a441, ptr %a442)
-  %t443 = load { ptr, i64, i64 }, ptr %a440
-  %t444 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
-  %t445 = load { ptr, i64, i64 }, ptr %t444
-  store { ptr, i64, i64 } %t443, ptr %a447
-  store { ptr, i64, i64 } %t445, ptr %a448
-  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
-  %t449 = load { ptr, i64, i64 }, ptr %a446
-  store { ptr, i64, i64 } %t449, ptr %a451
-  store { ptr, i64, i64 } { ptr @.str.3987, i64 2, i64 0 }, ptr %a452
-  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
-  %t453 = load { ptr, i64, i64 }, ptr %a450
-  %t454 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
-  %t455 = load { ptr, i64, i64 }, ptr %t454
-  store { ptr, i64, i64 } %t453, ptr %a457
-  store { ptr, i64, i64 } %t455, ptr %a458
-  call void @finch_str_concat(ptr %a456, ptr %a457, ptr %a458)
-  %t459 = load { ptr, i64, i64 }, ptr %a456
-  %t460 = call { ptr, i64, i64 } @finch.gen.op(ptr %t418, { ptr, i64, i64 } %t459)
-  %t461 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t460, 0
-  %t462 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.3988, i64 4, i64 0 })
-  %t463 = insertvalue %S.gen.Val %t461, %S.ast.Type %t462, 1
-  ret %S.gen.Val %t463
+  store { ptr, i64, i64 } %t365, ptr %a369
+  call void @finch_str_drop(ptr %a369)
+  %t370 = load { ptr, i64, i64 }, ptr %a366
+  %t371 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t372 = load { ptr, i64, i64 }, ptr %t371
+  store { ptr, i64, i64 } %t370, ptr %a374
+  store { ptr, i64, i64 } %t372, ptr %a375
+  call void @finch_str_concat(ptr %a373, ptr %a374, ptr %a375)
+  store { ptr, i64, i64 } %t370, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = load { ptr, i64, i64 }, ptr %a373
+  store { ptr, i64, i64 } %t377, ptr %a379
+  store { ptr, i64, i64 } { ptr @.str.4132, i64 2, i64 0 }, ptr %a380
+  call void @finch_str_concat(ptr %a378, ptr %a379, ptr %a380)
+  store { ptr, i64, i64 } %t377, ptr %a381
+  call void @finch_str_drop(ptr %a381)
+  %t382 = load { ptr, i64, i64 }, ptr %a378
+  %t383 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t384 = load { ptr, i64, i64 }, ptr %t383
+  store { ptr, i64, i64 } %t382, ptr %a386
+  store { ptr, i64, i64 } %t384, ptr %a387
+  call void @finch_str_concat(ptr %a385, ptr %a386, ptr %a387)
+  store { ptr, i64, i64 } %t382, ptr %a388
+  call void @finch_str_drop(ptr %a388)
+  %t389 = load { ptr, i64, i64 }, ptr %a385
+  %t390 = call { ptr, i64, i64 } @finch.gen.op(ptr %t324, { ptr, i64, i64 } %t389)
+  store { ptr, i64, i64 } %t389, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t390, 0
+  %t393 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4133, i64 4, i64 0 })
+  %t394 = insertvalue %S.gen.Val %t392, %S.ast.Type %t393, 1
+  call void @finch.drop.arr_str(ptr %a323)
+  call void @finch.drop.arr_str(ptr %a311)
+  call void @finch_str_drop(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t394
+endif6355:
+  %t395 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t395, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.4134, i64 4, i64 0 }, ptr %a397
+  %t398 = call i32 @finch_str_eq(ptr %a396, ptr %a397)
+  %t399 = icmp ne i32 %t398, 0
+  br i1 %t399, label %then6363, label %endif6365
+then6363:
+  %t400 = load i1, ptr %a23
+  %t401 = xor i1 %t400, true
+  br i1 %t401, label %then6366, label %endif6368
+then6366:
+  %t402 = load ptr, ptr %a1
+  %t403 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.fail(ptr %t402, %S.ast.Node %t403, { ptr, i64, i64 } { ptr @.str.4135, i64 115, i64 0 })
+  br label %endif6368
+endif6368:
+  store { ptr, i64, i64 } { ptr @.str.4136, i64 2, i64 0 }, ptr %a404
+  %t405 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t405, ptr %a406
+  store { ptr, i64, i64 } { ptr @.str.4137, i64 2, i64 0 }, ptr %a407
+  %t408 = call i32 @finch_str_eq(ptr %a406, ptr %a407)
+  %t409 = icmp ne i32 %t408, 0
+  br i1 %t409, label %then6369, label %endif6371
+then6369:
+  %t410 = load { ptr, i64, i64 }, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4138, i64 2, i64 0 }, ptr %a404
+  store { ptr, i64, i64 } %t410, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  br label %endif6371
+endif6371:
+  %t412 = load ptr, ptr %a1
+  %t413 = load { ptr, i64, i64 }, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4139, i64 5, i64 0 }, ptr %a415
+  store { ptr, i64, i64 } %t413, ptr %a416
+  call void @finch_str_concat(ptr %a414, ptr %a415, ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a414
+  store { ptr, i64, i64 } %t417, ptr %a419
+  store { ptr, i64, i64 } { ptr @.str.4140, i64 5, i64 0 }, ptr %a420
+  call void @finch_str_concat(ptr %a418, ptr %a419, ptr %a420)
+  store { ptr, i64, i64 } %t417, ptr %a421
+  call void @finch_str_drop(ptr %a421)
+  %t422 = load { ptr, i64, i64 }, ptr %a418
+  %t423 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t424 = load { ptr, i64, i64 }, ptr %t423
+  store { ptr, i64, i64 } %t422, ptr %a426
+  store { ptr, i64, i64 } %t424, ptr %a427
+  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
+  store { ptr, i64, i64 } %t422, ptr %a428
+  call void @finch_str_drop(ptr %a428)
+  %t429 = load { ptr, i64, i64 }, ptr %a425
+  store { ptr, i64, i64 } %t429, ptr %a431
+  store { ptr, i64, i64 } { ptr @.str.4141, i64 2, i64 0 }, ptr %a432
+  call void @finch_str_concat(ptr %a430, ptr %a431, ptr %a432)
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch_str_drop(ptr %a433)
+  %t434 = load { ptr, i64, i64 }, ptr %a430
+  %t435 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t436 = load { ptr, i64, i64 }, ptr %t435
+  store { ptr, i64, i64 } %t434, ptr %a438
+  store { ptr, i64, i64 } %t436, ptr %a439
+  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
+  store { ptr, i64, i64 } %t434, ptr %a440
+  call void @finch_str_drop(ptr %a440)
+  %t441 = load { ptr, i64, i64 }, ptr %a437
+  %t442 = call { ptr, i64, i64 } @finch.gen.op(ptr %t412, { ptr, i64, i64 } %t441)
+  store { ptr, i64, i64 } %t441, ptr %a443
+  call void @finch_str_drop(ptr %a443)
+  %t444 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t442, 0
+  %t445 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4142, i64 4, i64 0 })
+  %t446 = insertvalue %S.gen.Val %t444, %S.ast.Type %t445, 1
+  call void @finch_str_drop(ptr %a404)
+  call void @finch_str_drop(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t446
+endif6365:
+  %t447 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t447, ptr %a448
+  store { ptr, i64, i64 } { ptr @.str.4143, i64 4, i64 0 }, ptr %a449
+  %t450 = call i32 @finch_str_eq(ptr %a448, ptr %a449)
+  %t451 = icmp ne i32 %t450, 0
+  br label %logic.from6372
+logic.from6372:
+  br i1 %t451, label %logic.rhs6373, label %logic.end6374
+logic.rhs6373:
+  %t452 = load i1, ptr %a23
+  %t453 = xor i1 %t452, true
+  br label %logic.rend6375
+logic.rend6375:
+  br label %logic.end6374
+logic.end6374:
+  %t454 = phi i1 [ false, %logic.from6372 ], [ %t453, %logic.rend6375 ]
+  br i1 %t454, label %then6376, label %endif6378
+then6376:
+  %t455 = load ptr, ptr %a1
+  %t456 = load { ptr, i64, i64 }, ptr %a2
+  %t457 = load %S.gen.Val, ptr %a6
+  %t458 = load %S.gen.Val, ptr %a10
+  %t459 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t455, { ptr, i64, i64 } %t456, %S.gen.Val %t457, %S.gen.Val %t458, %S.ast.Node %t459)
+  br label %endif6378
+endif6378:
+  %t460 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t461 = load %S.ast.Type, ptr %t460
+  %t462 = call i1 @finch.gen.isInt(%S.ast.Type %t461)
+  %t463 = xor i1 %t462, true
+  br label %logic.from6379
+logic.from6379:
+  br i1 %t463, label %logic.rhs6380, label %logic.end6381
+logic.rhs6380:
+  %t464 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t464, ptr %a465
+  store { ptr, i64, i64 } { ptr @.str.4144, i64 4, i64 0 }, ptr %a466
+  %t467 = call i32 @finch_str_eq(ptr %a465, ptr %a466)
+  %t468 = icmp eq i32 %t467, 0
+  br label %logic.rend6382
+logic.rend6382:
+  br label %logic.end6381
+logic.end6381:
+  %t469 = phi i1 [ false, %logic.from6379 ], [ %t468, %logic.rend6382 ]
+  br label %logic.from6383
+logic.from6383:
+  br i1 %t469, label %logic.rhs6384, label %logic.end6385
+logic.rhs6384:
+  %t470 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t470, ptr %a471
+  store { ptr, i64, i64 } { ptr @.str.4145, i64 4, i64 0 }, ptr %a472
+  %t473 = call i32 @finch_str_eq(ptr %a471, ptr %a472)
+  %t474 = icmp eq i32 %t473, 0
+  br label %logic.rend6386
+logic.rend6386:
+  br label %logic.end6385
+logic.end6385:
+  %t475 = phi i1 [ false, %logic.from6383 ], [ %t474, %logic.rend6386 ]
+  br i1 %t475, label %then6387, label %endif6389
+then6387:
+  %t476 = load ptr, ptr %a1
+  %t477 = load { ptr, i64, i64 }, ptr %a2
+  %t478 = load %S.gen.Val, ptr %a6
+  %t479 = load %S.gen.Val, ptr %a10
+  %t480 = load %S.ast.Node, ptr %a11
+  call void @finch.gen.badOperands(ptr %t476, { ptr, i64, i64 } %t477, %S.gen.Val %t478, %S.gen.Val %t479, %S.ast.Node %t480)
+  br label %endif6389
+endif6389:
+  %t481 = load ptr, ptr %a1
+  %t482 = load { ptr, i64, i64 }, ptr %a2
+  %t483 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t484 = load %S.ast.Type, ptr %t483
+  %t485 = call i1 @finch.gen.isSigned(%S.ast.Type %t484)
+  %t486 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %t482, i1 %t485)
+  store { ptr, i64, i64 } { ptr @.str.4146, i64 5, i64 0 }, ptr %a488
+  store { ptr, i64, i64 } %t486, ptr %a489
+  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
+  store { ptr, i64, i64 } %t486, ptr %a490
+  call void @finch_str_drop(ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a487
+  store { ptr, i64, i64 } %t491, ptr %a493
+  store { ptr, i64, i64 } { ptr @.str.4147, i64 1, i64 0 }, ptr %a494
+  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
+  store { ptr, i64, i64 } %t491, ptr %a495
+  call void @finch_str_drop(ptr %a495)
+  %t496 = load { ptr, i64, i64 }, ptr %a492
+  %t497 = load ptr, ptr %a1
+  %t498 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 1
+  %t499 = load %S.ast.Type, ptr %t498
+  %t500 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t497, %S.ast.Type %t499)
+  store { ptr, i64, i64 } %t496, ptr %a502
+  store { ptr, i64, i64 } %t500, ptr %a503
+  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
+  store { ptr, i64, i64 } %t496, ptr %a504
+  call void @finch_str_drop(ptr %a504)
+  store { ptr, i64, i64 } %t500, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = load { ptr, i64, i64 }, ptr %a501
+  store { ptr, i64, i64 } %t506, ptr %a508
+  store { ptr, i64, i64 } { ptr @.str.4148, i64 1, i64 0 }, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  %t512 = getelementptr inbounds %S.gen.Val, ptr %a6, i32 0, i32 0
+  %t513 = load { ptr, i64, i64 }, ptr %t512
+  store { ptr, i64, i64 } %t511, ptr %a515
+  store { ptr, i64, i64 } %t513, ptr %a516
+  call void @finch_str_concat(ptr %a514, ptr %a515, ptr %a516)
+  store { ptr, i64, i64 } %t511, ptr %a517
+  call void @finch_str_drop(ptr %a517)
+  %t518 = load { ptr, i64, i64 }, ptr %a514
+  store { ptr, i64, i64 } %t518, ptr %a520
+  store { ptr, i64, i64 } { ptr @.str.4149, i64 2, i64 0 }, ptr %a521
+  call void @finch_str_concat(ptr %a519, ptr %a520, ptr %a521)
+  store { ptr, i64, i64 } %t518, ptr %a522
+  call void @finch_str_drop(ptr %a522)
+  %t523 = load { ptr, i64, i64 }, ptr %a519
+  %t524 = getelementptr inbounds %S.gen.Val, ptr %a10, i32 0, i32 0
+  %t525 = load { ptr, i64, i64 }, ptr %t524
+  store { ptr, i64, i64 } %t523, ptr %a527
+  store { ptr, i64, i64 } %t525, ptr %a528
+  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
+  store { ptr, i64, i64 } %t523, ptr %a529
+  call void @finch_str_drop(ptr %a529)
+  %t530 = load { ptr, i64, i64 }, ptr %a526
+  %t531 = call { ptr, i64, i64 } @finch.gen.op(ptr %t481, { ptr, i64, i64 } %t530)
+  store { ptr, i64, i64 } %t530, ptr %a532
+  call void @finch_str_drop(ptr %a532)
+  %t533 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t531, 0
+  %t534 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4150, i64 4, i64 0 })
+  %t535 = insertvalue %S.gen.Val %t533, %S.ast.Type %t534, 1
+  call void @finch_str_drop(ptr %a296)
+  call void @finch.drop.S_gen_Val(ptr %a10)
+  call void @finch.drop.S_gen_Val(ptr %a6)
+  ret %S.gen.Val %t535
 }
 
 define internal { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } %p0, i1 %p1) {
@@ -54210,28 +64078,29 @@ entry:
   %a2 = alloca i1, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca i64, align 16
-  %a44 = alloca i64, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca i64, align 16
+  %a46 = alloca i64, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store i1 %p1, ptr %a2
   %t3 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t4 = call ptr @finch_alloc(i64 %t3)
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3989, i64 2, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.4151, i64 2, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3990, i64 2, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.4152, i64 2, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3991, i64 1, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.4153, i64 1, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3992, i64 2, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.4154, i64 2, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3993, i64 1, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.4155, i64 1, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 5
-  store { ptr, i64, i64 } { ptr @.str.3994, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.4156, i64 2, i64 0 }, ptr %t10
   %t11 = insertvalue { ptr, i64, i64 } undef, ptr %t4, 0
   %t12 = insertvalue { ptr, i64, i64 } %t11, i64 6, 1
   %t13 = insertvalue { ptr, i64, i64 } %t12, i64 6, 2
@@ -54239,87 +64108,92 @@ entry:
   %t15 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t16 = call ptr @finch_alloc(i64 %t15)
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 0
-  store { ptr, i64, i64 } { ptr @.str.3995, i64 2, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.4157, i64 2, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 1
-  store { ptr, i64, i64 } { ptr @.str.3996, i64 2, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.4158, i64 2, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 2
-  store { ptr, i64, i64 } { ptr @.str.3997, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.4159, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 3
-  store { ptr, i64, i64 } { ptr @.str.3998, i64 3, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.4160, i64 3, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 4
-  store { ptr, i64, i64 } { ptr @.str.3999, i64 3, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.4161, i64 3, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4000, i64 3, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.4162, i64 3, i64 0 }, ptr %t22
   %t23 = insertvalue { ptr, i64, i64 } undef, ptr %t16, 0
   %t24 = insertvalue { ptr, i64, i64 } %t23, i64 6, 1
   %t25 = insertvalue { ptr, i64, i64 } %t24, i64 6, 2
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = load i1, ptr %a2
-  br i1 %t27, label %then6030, label %endif6032
-then6030:
+  br i1 %t27, label %then6390, label %endif6392
+then6390:
   %t28 = mul i64 6, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t29 = call ptr @finch_alloc(i64 %t28)
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4001, i64 2, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.4163, i64 2, i64 0 }, ptr %t30
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4002, i64 2, i64 0 }, ptr %t31
+  store { ptr, i64, i64 } { ptr @.str.4164, i64 2, i64 0 }, ptr %t31
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4003, i64 3, i64 0 }, ptr %t32
+  store { ptr, i64, i64 } { ptr @.str.4165, i64 3, i64 0 }, ptr %t32
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4004, i64 3, i64 0 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.4166, i64 3, i64 0 }, ptr %t33
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4005, i64 3, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.4167, i64 3, i64 0 }, ptr %t34
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4006, i64 3, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.4168, i64 3, i64 0 }, ptr %t35
   %t36 = insertvalue { ptr, i64, i64 } undef, ptr %t29, 0
   %t37 = insertvalue { ptr, i64, i64 } %t36, i64 6, 1
   %t38 = insertvalue { ptr, i64, i64 } %t37, i64 6, 2
+  %t39 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t38, ptr %a26
-  br label %endif6032
-endif6032:
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t40 = load { ptr, i64, i64 }, ptr %a1
-  store i64 -1, ptr %a41
-  %t42 = load i64, ptr %t39
-  %t43 = load ptr, ptr %a14
-  store i64 0, ptr %a44
-  br label %find.cond6033
-find.cond6033:
-  %t45 = load i64, ptr %a44
-  %t46 = icmp slt i64 %t45, %t42
-  br i1 %t46, label %find.body6034, label %find.end6037
-find.body6034:
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t45
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } %t40, ptr %a50
-  %t51 = call i32 @finch_str_eq(ptr %a49, ptr %a50)
-  %t52 = icmp ne i32 %t51, 0
-  br i1 %t52, label %find.hit6035, label %find.next6036
-find.hit6035:
-  store i64 %t45, ptr %a41
-  br label %find.end6037
-find.next6036:
-  %t53 = add i64 %t45, 1
-  store i64 %t53, ptr %a44
-  br label %find.cond6033
-find.end6037:
-  %t54 = load i64, ptr %a41
-  %t55 = load { ptr, i64, i64 }, ptr %a26
-  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
-  %t57 = icmp uge i64 %t54, %t56
-  br i1 %t57, label %range6038, label %inrange6039
-range6038:
-  call void @finch_panic_index(ptr @.str.4007, i64 3221, i64 %t54, i64 %t56)
+  store { ptr, i64, i64 } %t39, ptr %a40
+  call void @finch.drop.arr_str(ptr %a40)
+  br label %endif6392
+endif6392:
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t42 = load { ptr, i64, i64 }, ptr %a1
+  store i64 -1, ptr %a43
+  %t44 = load i64, ptr %t41
+  %t45 = load ptr, ptr %a14
+  store i64 0, ptr %a46
+  br label %find.cond6393
+find.cond6393:
+  %t47 = load i64, ptr %a46
+  %t48 = icmp slt i64 %t47, %t44
+  br i1 %t48, label %find.body6394, label %find.end6397
+find.body6394:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t45, i64 %t47
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store { ptr, i64, i64 } %t42, ptr %a52
+  %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
+  %t54 = icmp ne i32 %t53, 0
+  br i1 %t54, label %find.hit6395, label %find.next6396
+find.hit6395:
+  store i64 %t47, ptr %a43
+  br label %find.end6397
+find.next6396:
+  %t55 = add i64 %t47, 1
+  store i64 %t55, ptr %a46
+  br label %find.cond6393
+find.end6397:
+  %t56 = load i64, ptr %a43
+  %t57 = load { ptr, i64, i64 }, ptr %a26
+  %t58 = extractvalue { ptr, i64, i64 } %t57, 1
+  %t59 = icmp uge i64 %t56, %t58
+  br i1 %t59, label %range6398, label %inrange6399
+range6398:
+  call void @finch_panic_index(ptr @.str.4169, i64 3484, i64 %t56, i64 %t58)
   unreachable
-inrange6039:
-  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i64 %t54
-  %t60 = load { ptr, i64, i64 }, ptr %t59
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  ret { ptr, i64, i64 } %t63
+inrange6399:
+  %t60 = extractvalue { ptr, i64, i64 } %t57, 0
+  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i64 %t56
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  call void @finch.drop.arr_str(ptr %a26)
+  call void @finch.drop.arr_str(ptr %a14)
+  ret { ptr, i64, i64 } %t65
 }
 
 define internal %S.gen.Val @finch.gen.binary(ptr %p0, %S.ast.Node %p1) {
@@ -54344,44 +64218,54 @@ entry:
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca %S.gen.Val, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca %S.gen.Val, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca i64, align 16
+  %a163 = alloca %S.gen.Val, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
@@ -54392,48 +64276,48 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t9, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.4008, i64 2, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.4170, i64 2, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_eq(ptr %a10, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from6040
-logic.from6040:
-  br i1 %t13, label %logic.end6042, label %logic.rhs6041
-logic.rhs6041:
+  br label %logic.from6400
+logic.from6400:
+  br i1 %t13, label %logic.end6402, label %logic.rhs6401
+logic.rhs6401:
   %t14 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.4009, i64 2, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.4171, i64 2, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br label %logic.rend6043
-logic.rend6043:
-  br label %logic.end6042
-logic.end6042:
-  %t19 = phi i1 [ true, %logic.from6040 ], [ %t18, %logic.rend6043 ]
-  br i1 %t19, label %then6044, label %endif6046
-then6044:
+  br label %logic.rend6403
+logic.rend6403:
+  br label %logic.end6402
+logic.end6402:
+  %t19 = phi i1 [ true, %logic.from6400 ], [ %t18, %logic.rend6403 ]
+  br i1 %t19, label %then6404, label %endif6406
+then6404:
   %t20 = load ptr, ptr %a1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t22 = load { ptr, i64, i64 }, ptr %t21
   %t23 = extractvalue { ptr, i64, i64 } %t22, 1
   %t24 = icmp uge i64 0, %t23
-  br i1 %t24, label %range6047, label %inrange6048
-range6047:
-  call void @finch_panic_index(ptr @.str.4010, i64 3227, i64 0, i64 %t23)
+  br i1 %t24, label %range6407, label %inrange6408
+range6407:
+  call void @finch_panic_index(ptr @.str.4172, i64 3490, i64 0, i64 %t23)
   unreachable
-inrange6048:
+inrange6408:
   %t25 = extractvalue { ptr, i64, i64 } %t22, 0
   %t26 = getelementptr inbounds %S.ast.Node, ptr %t25, i64 0
   %t27 = load %S.ast.Node, ptr %t26
   %t28 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t20, %S.ast.Node %t27)
   store { ptr, i64, i64 } %t28, ptr %a29
   %t30 = load ptr, ptr %a1
-  %t31 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t30, { ptr, i64, i64 } { ptr @.str.4011, i64 10, i64 0 })
+  %t31 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t30, { ptr, i64, i64 } { ptr @.str.4173, i64 10, i64 0 })
   store { ptr, i64, i64 } %t31, ptr %a32
   %t33 = load ptr, ptr %a1
-  %t34 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t33, { ptr, i64, i64 } { ptr @.str.4012, i64 9, i64 0 })
+  %t34 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t33, { ptr, i64, i64 } { ptr @.str.4174, i64 9, i64 0 })
   store { ptr, i64, i64 } %t34, ptr %a35
   %t36 = load ptr, ptr %a1
-  %t37 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t36, { ptr, i64, i64 } { ptr @.str.4013, i64 9, i64 0 })
+  %t37 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t36, { ptr, i64, i64 } { ptr @.str.4175, i64 9, i64 0 })
   store { ptr, i64, i64 } %t37, ptr %a38
   %t39 = load ptr, ptr %a1
   %t40 = load { ptr, i64, i64 }, ptr %a32
@@ -54443,25 +64327,25 @@ inrange6048:
   call void @finch.gen.label(ptr %t41, { ptr, i64, i64 } %t42)
   %t43 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t43, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.4014, i64 2, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.4176, i64 2, i64 0 }, ptr %a45
   %t46 = call i32 @finch_str_eq(ptr %a44, ptr %a45)
   %t47 = icmp ne i32 %t46, 0
-  br i1 %t47, label %then6049, label %else6050
-then6049:
+  br i1 %t47, label %then6409, label %else6410
+then6409:
   %t48 = load ptr, ptr %a1
   %t49 = load { ptr, i64, i64 }, ptr %a29
   %t50 = load { ptr, i64, i64 }, ptr %a35
   %t51 = load { ptr, i64, i64 }, ptr %a38
   call void @finch.gen.condBr(ptr %t48, { ptr, i64, i64 } %t49, { ptr, i64, i64 } %t50, { ptr, i64, i64 } %t51)
-  br label %endif6051
-else6050:
+  br label %endif6411
+else6410:
   %t52 = load ptr, ptr %a1
   %t53 = load { ptr, i64, i64 }, ptr %a29
   %t54 = load { ptr, i64, i64 }, ptr %a38
   %t55 = load { ptr, i64, i64 }, ptr %a35
   call void @finch.gen.condBr(ptr %t52, { ptr, i64, i64 } %t53, { ptr, i64, i64 } %t54, { ptr, i64, i64 } %t55)
-  br label %endif6051
-endif6051:
+  br label %endif6411
+endif6411:
   %t56 = load ptr, ptr %a1
   %t57 = load { ptr, i64, i64 }, ptr %a35
   call void @finch.gen.label(ptr %t56, { ptr, i64, i64 } %t57)
@@ -54470,18 +64354,18 @@ endif6051:
   %t60 = load { ptr, i64, i64 }, ptr %t59
   %t61 = extractvalue { ptr, i64, i64 } %t60, 1
   %t62 = icmp uge i64 1, %t61
-  br i1 %t62, label %range6052, label %inrange6053
-range6052:
-  call void @finch_panic_index(ptr @.str.4015, i64 3239, i64 1, i64 %t61)
+  br i1 %t62, label %range6412, label %inrange6413
+range6412:
+  call void @finch_panic_index(ptr @.str.4177, i64 3502, i64 1, i64 %t61)
   unreachable
-inrange6053:
+inrange6413:
   %t63 = extractvalue { ptr, i64, i64 } %t60, 0
   %t64 = getelementptr inbounds %S.ast.Node, ptr %t63, i64 1
   %t65 = load %S.ast.Node, ptr %t64
   %t66 = call { ptr, i64, i64 } @finch.gen.condition(ptr %t58, %S.ast.Node %t65)
   store { ptr, i64, i64 } %t66, ptr %a67
   %t68 = load ptr, ptr %a1
-  %t69 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t68, { ptr, i64, i64 } { ptr @.str.4016, i64 10, i64 0 })
+  %t69 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t68, { ptr, i64, i64 } { ptr @.str.4178, i64 10, i64 0 })
   store { ptr, i64, i64 } %t69, ptr %a70
   %t71 = load ptr, ptr %a1
   %t72 = load { ptr, i64, i64 }, ptr %a70
@@ -54495,182 +64379,232 @@ inrange6053:
   %t77 = load ptr, ptr %a1
   %t78 = load { ptr, i64, i64 }, ptr %a38
   call void @finch.gen.label(ptr %t77, { ptr, i64, i64 } %t78)
-  store { ptr, i64, i64 } { ptr @.str.4017, i64 4, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4179, i64 4, i64 0 }, ptr %a79
   %t80 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.4018, i64 2, i64 0 }, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.4180, i64 2, i64 0 }, ptr %a82
   %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
   %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %then6054, label %endif6056
-then6054:
-  store { ptr, i64, i64 } { ptr @.str.4019, i64 5, i64 0 }, ptr %a79
-  br label %endif6056
-endif6056:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.4020, i64 9, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.4021, i64 3, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t94, ptr %a97
-  store { ptr, i64, i64 } %t95, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.4022, i64 6, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t103, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4023, i64 3, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t112, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  store { ptr, i64, i64 } %t117, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.4024, i64 2, i64 0 }, ptr %a120
-  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
-  %t121 = load { ptr, i64, i64 }, ptr %a118
-  %t122 = call { ptr, i64, i64 } @finch.gen.op(ptr %t85, { ptr, i64, i64 } %t121)
-  %t123 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t122, 0
-  %t124 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4025, i64 4, i64 0 })
-  %t125 = insertvalue %S.gen.Val %t123, %S.ast.Type %t124, 1
-  ret %S.gen.Val %t125
-endif6046:
-  %t126 = load ptr, ptr %a1
-  %t127 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t128 = load { ptr, i64, i64 }, ptr %t127
-  %t129 = extractvalue { ptr, i64, i64 } %t128, 1
-  %t130 = icmp uge i64 0, %t129
-  br i1 %t130, label %range6057, label %inrange6058
-range6057:
-  call void @finch_panic_index(ptr @.str.4026, i64 3251, i64 0, i64 %t129)
-  unreachable
-inrange6058:
-  %t131 = extractvalue { ptr, i64, i64 } %t128, 0
-  %t132 = getelementptr inbounds %S.ast.Node, ptr %t131, i64 0
-  %t133 = load %S.ast.Node, ptr %t132
-  %t134 = call %S.gen.Val @finch.gen.expr(ptr %t126, %S.ast.Node %t133)
-  store %S.gen.Val %t134, ptr %a135
+  br i1 %t84, label %then6414, label %endif6416
+then6414:
+  %t85 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4181, i64 5, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t85, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  br label %endif6416
+endif6416:
+  %t87 = load ptr, ptr %a1
+  %t88 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4182, i64 9, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4183, i64 3, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load { ptr, i64, i64 }, ptr %a32
+  store { ptr, i64, i64 } %t97, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t97, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  %t103 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } %t103, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.4184, i64 6, i64 0 }, ptr %a106
+  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
+  store { ptr, i64, i64 } %t103, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a104
+  %t109 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t108, ptr %a111
+  store { ptr, i64, i64 } %t109, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  store { ptr, i64, i64 } %t108, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.4185, i64 3, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t119, ptr %a122
+  store { ptr, i64, i64 } %t120, ptr %a123
+  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
+  store { ptr, i64, i64 } %t119, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  store { ptr, i64, i64 } %t125, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.4186, i64 2, i64 0 }, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t125, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  %t131 = call { ptr, i64, i64 } @finch.gen.op(ptr %t87, { ptr, i64, i64 } %t130)
+  store { ptr, i64, i64 } %t130, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t131, 0
+  %t134 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4187, i64 4, i64 0 })
+  %t135 = insertvalue %S.gen.Val %t133, %S.ast.Type %t134, 1
+  call void @finch_str_drop(ptr %a79)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a67)
+  call void @finch_str_drop(ptr %a38)
+  call void @finch_str_drop(ptr %a35)
+  call void @finch_str_drop(ptr %a32)
+  call void @finch_str_drop(ptr %a29)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t135
+endif6406:
   %t136 = load ptr, ptr %a1
   %t137 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t138 = load { ptr, i64, i64 }, ptr %t137
   %t139 = extractvalue { ptr, i64, i64 } %t138, 1
-  %t140 = icmp uge i64 1, %t139
-  br i1 %t140, label %range6059, label %inrange6060
-range6059:
-  call void @finch_panic_index(ptr @.str.4027, i64 3252, i64 1, i64 %t139)
+  %t140 = icmp uge i64 0, %t139
+  br i1 %t140, label %range6417, label %inrange6418
+range6417:
+  call void @finch_panic_index(ptr @.str.4188, i64 3514, i64 0, i64 %t139)
   unreachable
-inrange6060:
+inrange6418:
   %t141 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t142 = getelementptr inbounds %S.ast.Node, ptr %t141, i64 1
+  %t142 = getelementptr inbounds %S.ast.Node, ptr %t141, i64 0
   %t143 = load %S.ast.Node, ptr %t142
   %t144 = call %S.gen.Val @finch.gen.expr(ptr %t136, %S.ast.Node %t143)
   store %S.gen.Val %t144, ptr %a145
-  %t146 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t146, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.4028, i64 2, i64 0 }, ptr %a148
-  %t149 = call i32 @finch_str_eq(ptr %a147, ptr %a148)
-  %t150 = icmp ne i32 %t149, 0
-  br label %logic.from6061
-logic.from6061:
-  br i1 %t150, label %logic.end6063, label %logic.rhs6062
-logic.rhs6062:
-  %t151 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t151, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.4029, i64 2, i64 0 }, ptr %a153
-  %t154 = call i32 @finch_str_eq(ptr %a152, ptr %a153)
-  %t155 = icmp ne i32 %t154, 0
-  br label %logic.rend6064
-logic.rend6064:
-  br label %logic.end6063
-logic.end6063:
-  %t156 = phi i1 [ true, %logic.from6061 ], [ %t155, %logic.rend6064 ]
-  br label %logic.from6065
-logic.from6065:
-  br i1 %t156, label %logic.end6067, label %logic.rhs6066
-logic.rhs6066:
-  %t157 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t157, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.4030, i64 1, i64 0 }, ptr %a159
-  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
-  %t161 = icmp ne i32 %t160, 0
-  br label %logic.rend6068
-logic.rend6068:
-  br label %logic.end6067
-logic.end6067:
-  %t162 = phi i1 [ true, %logic.from6065 ], [ %t161, %logic.rend6068 ]
-  br label %logic.from6069
-logic.from6069:
-  br i1 %t162, label %logic.end6071, label %logic.rhs6070
-logic.rhs6070:
-  %t163 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t163, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.4031, i64 2, i64 0 }, ptr %a165
-  %t166 = call i32 @finch_str_eq(ptr %a164, ptr %a165)
-  %t167 = icmp ne i32 %t166, 0
-  br label %logic.rend6072
-logic.rend6072:
-  br label %logic.end6071
-logic.end6071:
-  %t168 = phi i1 [ true, %logic.from6069 ], [ %t167, %logic.rend6072 ]
-  br label %logic.from6073
-logic.from6073:
-  br i1 %t168, label %logic.end6075, label %logic.rhs6074
-logic.rhs6074:
-  %t169 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t169, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.4032, i64 1, i64 0 }, ptr %a171
-  %t172 = call i32 @finch_str_eq(ptr %a170, ptr %a171)
-  %t173 = icmp ne i32 %t172, 0
-  br label %logic.rend6076
-logic.rend6076:
-  br label %logic.end6075
-logic.end6075:
-  %t174 = phi i1 [ true, %logic.from6073 ], [ %t173, %logic.rend6076 ]
-  br label %logic.from6077
-logic.from6077:
-  br i1 %t174, label %logic.end6079, label %logic.rhs6078
-logic.rhs6078:
-  %t175 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t175, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.4033, i64 2, i64 0 }, ptr %a177
-  %t178 = call i32 @finch_str_eq(ptr %a176, ptr %a177)
-  %t179 = icmp ne i32 %t178, 0
-  br label %logic.rend6080
-logic.rend6080:
-  br label %logic.end6079
-logic.end6079:
-  %t180 = phi i1 [ true, %logic.from6077 ], [ %t179, %logic.rend6080 ]
-  br i1 %t180, label %then6081, label %endif6083
-then6081:
-  %t181 = load ptr, ptr %a1
-  %t182 = load { ptr, i64, i64 }, ptr %a8
-  %t183 = load %S.gen.Val, ptr %a135
-  %t184 = load %S.gen.Val, ptr %a145
-  %t185 = load %S.ast.Node, ptr %a2
-  %t186 = call %S.gen.Val @finch.gen.compare(ptr %t181, { ptr, i64, i64 } %t182, %S.gen.Val %t183, %S.gen.Val %t184, %S.ast.Node %t185)
-  ret %S.gen.Val %t186
-endif6083:
-  %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a8
-  %t189 = load %S.gen.Val, ptr %a135
-  %t190 = load %S.gen.Val, ptr %a145
-  %t191 = load %S.ast.Node, ptr %a2
-  %t192 = call %S.gen.Val @finch.gen.arith(ptr %t187, { ptr, i64, i64 } %t188, %S.gen.Val %t189, %S.gen.Val %t190, %S.ast.Node %t191)
-  ret %S.gen.Val %t192
+  %t146 = load ptr, ptr %a1
+  %t147 = icmp eq ptr %t146, null
+  br i1 %t147, label %panic6419, label %ok6420
+panic6419:
+  call void @finch_panic(ptr @.str.4189, i64 3515, ptr @.str.4190)
+  unreachable
+ok6420:
+  %t148 = getelementptr inbounds %S.gen.Gen, ptr %t146, i32 0, i32 11
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t148, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  store i64 %t150, ptr %a151
+  %t152 = load ptr, ptr %a1
+  %t153 = load %S.gen.Val, ptr %a145
+  call void @finch.gen.hold(ptr %t152, %S.gen.Val %t153)
+  %t154 = load ptr, ptr %a1
+  %t155 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t156 = load { ptr, i64, i64 }, ptr %t155
+  %t157 = extractvalue { ptr, i64, i64 } %t156, 1
+  %t158 = icmp uge i64 1, %t157
+  br i1 %t158, label %range6421, label %inrange6422
+range6421:
+  call void @finch_panic_index(ptr @.str.4191, i64 3517, i64 1, i64 %t157)
+  unreachable
+inrange6422:
+  %t159 = extractvalue { ptr, i64, i64 } %t156, 0
+  %t160 = getelementptr inbounds %S.ast.Node, ptr %t159, i64 1
+  %t161 = load %S.ast.Node, ptr %t160
+  %t162 = call %S.gen.Val @finch.gen.expr(ptr %t154, %S.ast.Node %t161)
+  store %S.gen.Val %t162, ptr %a163
+  %t164 = load ptr, ptr %a1
+  %t165 = load i64, ptr %a151
+  call void @finch.gen.heldEnd(ptr %t164, i64 %t165)
+  %t166 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.4192, i64 2, i64 0 }, ptr %a168
+  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
+  %t170 = icmp ne i32 %t169, 0
+  br label %logic.from6423
+logic.from6423:
+  br i1 %t170, label %logic.end6425, label %logic.rhs6424
+logic.rhs6424:
+  %t171 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t171, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.4193, i64 2, i64 0 }, ptr %a173
+  %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
+  %t175 = icmp ne i32 %t174, 0
+  br label %logic.rend6426
+logic.rend6426:
+  br label %logic.end6425
+logic.end6425:
+  %t176 = phi i1 [ true, %logic.from6423 ], [ %t175, %logic.rend6426 ]
+  br label %logic.from6427
+logic.from6427:
+  br i1 %t176, label %logic.end6429, label %logic.rhs6428
+logic.rhs6428:
+  %t177 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t177, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.4194, i64 1, i64 0 }, ptr %a179
+  %t180 = call i32 @finch_str_eq(ptr %a178, ptr %a179)
+  %t181 = icmp ne i32 %t180, 0
+  br label %logic.rend6430
+logic.rend6430:
+  br label %logic.end6429
+logic.end6429:
+  %t182 = phi i1 [ true, %logic.from6427 ], [ %t181, %logic.rend6430 ]
+  br label %logic.from6431
+logic.from6431:
+  br i1 %t182, label %logic.end6433, label %logic.rhs6432
+logic.rhs6432:
+  %t183 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t183, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.4195, i64 2, i64 0 }, ptr %a185
+  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
+  %t187 = icmp ne i32 %t186, 0
+  br label %logic.rend6434
+logic.rend6434:
+  br label %logic.end6433
+logic.end6433:
+  %t188 = phi i1 [ true, %logic.from6431 ], [ %t187, %logic.rend6434 ]
+  br label %logic.from6435
+logic.from6435:
+  br i1 %t188, label %logic.end6437, label %logic.rhs6436
+logic.rhs6436:
+  %t189 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t189, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.4196, i64 1, i64 0 }, ptr %a191
+  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
+  %t193 = icmp ne i32 %t192, 0
+  br label %logic.rend6438
+logic.rend6438:
+  br label %logic.end6437
+logic.end6437:
+  %t194 = phi i1 [ true, %logic.from6435 ], [ %t193, %logic.rend6438 ]
+  br label %logic.from6439
+logic.from6439:
+  br i1 %t194, label %logic.end6441, label %logic.rhs6440
+logic.rhs6440:
+  %t195 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t195, ptr %a196
+  store { ptr, i64, i64 } { ptr @.str.4197, i64 2, i64 0 }, ptr %a197
+  %t198 = call i32 @finch_str_eq(ptr %a196, ptr %a197)
+  %t199 = icmp ne i32 %t198, 0
+  br label %logic.rend6442
+logic.rend6442:
+  br label %logic.end6441
+logic.end6441:
+  %t200 = phi i1 [ true, %logic.from6439 ], [ %t199, %logic.rend6442 ]
+  br i1 %t200, label %then6443, label %endif6445
+then6443:
+  %t201 = load ptr, ptr %a1
+  %t202 = load { ptr, i64, i64 }, ptr %a8
+  %t203 = load %S.gen.Val, ptr %a145
+  %t204 = load %S.gen.Val, ptr %a163
+  %t205 = load %S.ast.Node, ptr %a2
+  %t206 = call %S.gen.Val @finch.gen.compare(ptr %t201, { ptr, i64, i64 } %t202, %S.gen.Val %t203, %S.gen.Val %t204, %S.ast.Node %t205)
+  call void @finch.drop.S_gen_Val(ptr %a163)
+  call void @finch.drop.S_gen_Val(ptr %a145)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t206
+endif6445:
+  %t207 = load ptr, ptr %a1
+  %t208 = load { ptr, i64, i64 }, ptr %a8
+  %t209 = load %S.gen.Val, ptr %a145
+  %t210 = load %S.gen.Val, ptr %a163
+  %t211 = load %S.ast.Node, ptr %a2
+  %t212 = call %S.gen.Val @finch.gen.arith(ptr %t207, { ptr, i64, i64 } %t208, %S.gen.Val %t209, %S.gen.Val %t210, %S.ast.Node %t211)
+  call void @finch.drop.S_gen_Val(ptr %a163)
+  call void @finch.drop.S_gen_Val(ptr %a145)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t212
 }
 
 define internal %S.gen.Val @finch.gen.arrayLit(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -54683,377 +64617,532 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca %S.ast.Type, align 16
   %a20 = alloca %S.ast.Type, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i64, align 16
-  %a38 = alloca %S.ast.Node, align 16
-  %a39 = alloca %S.gen.Val, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca %S.ast.Type, align 16
-  %a52 = alloca %S.ast.Type, align 16
-  %a75 = alloca %S.ast.Type, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.ast.Type, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca i64, align 16
+  %a38 = alloca i64, align 16
+  %a46 = alloca %S.ast.Node, align 16
+  %a47 = alloca %S.gen.Val, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca %S.gen.Val, align 16
+  %a61 = alloca %S.ast.Type, align 16
+  %a62 = alloca %S.ast.Type, align 16
+  %a65 = alloca %S.ast.Type, align 16
+  %a71 = alloca %S.gen.Val, align 16
+  %a78 = alloca %S.gen.Val, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca i64, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca %S.ast.Type, align 16
+  %a103 = alloca %S.ast.Type, align 16
+  %a107 = alloca %S.gen.Val, align 16
+  %a114 = alloca %S.ast.Type, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca i64, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
   %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   %a187 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a193 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca %S.ast.Type, align 16
-  %a225 = alloca %S.ast.Type, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca %S.ast.Type, align 16
+  %a290 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
-  %t4 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4034, i64 4, i64 0 })
+  %t4 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4198, i64 4, i64 0 })
   store %S.ast.Type %t4, ptr %a5
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4035, i64 5, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.4199, i64 5, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then6084, label %else6085
-then6084:
+  br i1 %t11, label %then6446, label %else6447
+then6446:
   %t12 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
   %t13 = load { ptr, i64, i64 }, ptr %t12
   %t14 = extractvalue { ptr, i64, i64 } %t13, 1
   %t15 = icmp uge i64 0, %t14
-  br i1 %t15, label %range6087, label %inrange6088
-range6087:
-  call void @finch_panic_index(ptr @.str.4036, i64 3262, i64 0, i64 %t14)
+  br i1 %t15, label %range6449, label %inrange6450
+range6449:
+  call void @finch_panic_index(ptr @.str.4200, i64 3528, i64 0, i64 %t14)
   unreachable
-inrange6088:
+inrange6450:
   %t16 = extractvalue { ptr, i64, i64 } %t13, 0
   %t17 = getelementptr inbounds %S.ast.Type, ptr %t16, i64 0
   %t18 = load %S.ast.Type, ptr %t17
   store %S.ast.Type %t18, ptr %a19
   call void @finch.copy.S_ast_Type(ptr %a20, ptr %a19)
   %t21 = load %S.ast.Type, ptr %a20
+  %t22 = load %S.ast.Type, ptr %a5
   store %S.ast.Type %t21, ptr %a5
-  br label %endif6086
-else6085:
-  %t22 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load i64, ptr %t23
-  %t25 = icmp eq i64 %t24, 0
-  br i1 %t25, label %then6089, label %endif6091
-then6089:
-  %t26 = load ptr, ptr %a1
-  %t27 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t26, %S.ast.Node %t27, { ptr, i64, i64 } { ptr @.str.4037, i64 47, i64 0 })
-  br label %endif6091
-endif6091:
-  br label %endif6086
-endif6086:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a28
-  %t29 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  store i64 0, ptr %a30
-  br label %each.cond6092
-each.cond6092:
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
-  %t32 = load i64, ptr %t31
-  %t33 = load i64, ptr %a30
-  %t34 = icmp slt i64 %t33, %t32
-  br i1 %t34, label %each.body6093, label %each.end6095
-each.body6093:
-  %t35 = load ptr, ptr %t29
-  %t36 = getelementptr inbounds %S.ast.Node, ptr %t35, i64 %t33
-  %t37 = load %S.ast.Node, ptr %t36
-  store %S.ast.Node %t37, ptr %a38
-  store %S.gen.Val zeroinitializer, ptr %a39
-  %t40 = getelementptr inbounds %S.ast.Type, ptr %a5, i32 0, i32 0
-  %t41 = load { ptr, i64, i64 }, ptr %t40
-  store { ptr, i64, i64 } %t41, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.4038, i64 4, i64 0 }, ptr %a43
-  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
-  %t45 = icmp ne i32 %t44, 0
-  br i1 %t45, label %then6096, label %else6097
-then6096:
-  %t46 = load ptr, ptr %a1
-  %t47 = load %S.ast.Node, ptr %a38
-  %t48 = call %S.gen.Val @finch.gen.expr(ptr %t46, %S.ast.Node %t47)
-  store %S.gen.Val %t48, ptr %a39
-  %t49 = getelementptr inbounds %S.gen.Val, ptr %a39, i32 0, i32 1
-  %t50 = load %S.ast.Type, ptr %t49
-  store %S.ast.Type %t50, ptr %a51
-  call void @finch.copy.S_ast_Type(ptr %a52, ptr %a51)
-  %t53 = load %S.ast.Type, ptr %a52
-  store %S.ast.Type %t53, ptr %a5
-  br label %endif6098
-else6097:
-  %t54 = load ptr, ptr %a1
-  %t55 = load %S.ast.Node, ptr %a38
-  %t56 = load %S.ast.Type, ptr %a5
-  %t57 = call %S.gen.Val @finch.gen.exprWant(ptr %t54, %S.ast.Node %t55, %S.ast.Type %t56)
-  store %S.gen.Val %t57, ptr %a39
-  br label %endif6098
-endif6098:
-  %t58 = load ptr, ptr %a1
-  %t59 = load %S.gen.Val, ptr %a39
-  %t60 = load %S.ast.Type, ptr %a5
-  %t61 = load %S.ast.Node, ptr %a38
-  %t62 = call %S.gen.Val @finch.gen.coerce(ptr %t58, %S.gen.Val %t59, %S.ast.Type %t60, %S.ast.Node %t61, { ptr, i64, i64 } { ptr @.str.4039, i64 27, i64 0 })
-  store %S.gen.Val %t62, ptr %a39
-  %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.gen.Val, ptr %a39
-  %t66 = call { ptr, i64, i64 } @finch.gen.own(ptr %t64, %S.gen.Val %t65)
-  %t67 = load i64, ptr %t63
-  %t68 = add i64 %t67, 1
-  call void @finch_arr_reserve(ptr %a28, i64 %t68, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t69 = load ptr, ptr %a28
-  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i64 %t67
-  store { ptr, i64, i64 } %t66, ptr %t70
-  store i64 %t68, ptr %t63
-  br label %each.step6094
-each.step6094:
-  %t71 = load i64, ptr %a30
-  %t72 = add i64 %t71, 1
-  store i64 %t72, ptr %a30
-  br label %each.cond6092
-each.end6095:
-  %t73 = load %S.ast.Type, ptr %a5
-  %t74 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t73)
-  store %S.ast.Type %t74, ptr %a75
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t77 = load i64, ptr %t76
-  call void @finch_str_from_int(ptr %a78, i64 %t77)
-  %t79 = load { ptr, i64, i64 }, ptr %a78
-  store { ptr, i64, i64 } %t79, ptr %a80
-  store { ptr, i64, i64 } { ptr @.str.4040, i64 4, i64 0 }, ptr %a81
-  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t83 = load i64, ptr %t82
-  %t84 = icmp sgt i64 %t83, 0
-  br i1 %t84, label %then6099, label %endif6101
-then6099:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } { ptr @.str.4041, i64 8, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.4042, i64 2, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = load ptr, ptr %a1
-  %t96 = load %S.ast.Type, ptr %a5
-  %t97 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t95, %S.ast.Type %t96)
-  store { ptr, i64, i64 } %t94, ptr %a99
-  store { ptr, i64, i64 } %t97, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = call { ptr, i64, i64 } @finch.gen.op(ptr %t85, { ptr, i64, i64 } %t101)
-  store { ptr, i64, i64 } %t102, ptr %a103
-  %t104 = load ptr, ptr %a1
-  %t105 = load { ptr, i64, i64 }, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.4043, i64 26, i64 0 }, ptr %a107
-  store { ptr, i64, i64 } %t105, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  store { ptr, i64, i64 } %t109, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.4044, i64 1, i64 0 }, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  %t114 = call { ptr, i64, i64 } @finch.gen.op(ptr %t104, { ptr, i64, i64 } %t113)
-  store { ptr, i64, i64 } %t114, ptr %a81
-  br label %endif6101
-endif6101:
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t116 = load i64, ptr %t115
-  store i64 0, ptr %a117
-  br label %for.cond6102
-for.cond6102:
-  %t118 = load i64, ptr %a117
-  %t119 = icmp slt i64 %t118, %t116
-  br i1 %t119, label %for.body6103, label %for.end6105
-for.body6103:
-  %t120 = load ptr, ptr %a1
-  %t121 = load ptr, ptr %a1
-  %t122 = load %S.ast.Type, ptr %a5
-  %t123 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t121, %S.ast.Type %t122)
-  store { ptr, i64, i64 } { ptr @.str.4045, i64 23, i64 0 }, ptr %a125
-  store { ptr, i64, i64 } %t123, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  store { ptr, i64, i64 } %t127, ptr %a129
-  store { ptr, i64, i64 } { ptr @.str.4046, i64 6, i64 0 }, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  %t132 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t131, ptr %a134
-  store { ptr, i64, i64 } %t132, ptr %a135
-  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
-  %t136 = load { ptr, i64, i64 }, ptr %a133
-  store { ptr, i64, i64 } %t136, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.4047, i64 6, i64 0 }, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  %t141 = load i64, ptr %a117
-  call void @finch_str_from_int(ptr %a142, i64 %t141)
-  %t143 = load { ptr, i64, i64 }, ptr %a142
-  store { ptr, i64, i64 } %t140, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = call { ptr, i64, i64 } @finch.gen.op(ptr %t120, { ptr, i64, i64 } %t147)
-  store { ptr, i64, i64 } %t148, ptr %a149
-  %t150 = load ptr, ptr %a1
-  %t151 = load ptr, ptr %a1
-  %t152 = load %S.ast.Type, ptr %a5
-  %t153 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t151, %S.ast.Type %t152)
-  %t154 = load i64, ptr %a117
-  %t155 = load { ptr, i64, i64 }, ptr %a28
-  %t156 = extractvalue { ptr, i64, i64 } %t155, 1
-  %t157 = icmp uge i64 %t154, %t156
-  br i1 %t157, label %range6106, label %inrange6107
-range6106:
-  call void @finch_panic_index(ptr @.str.4048, i64 3287, i64 %t154, i64 %t156)
+  store %S.ast.Type %t22, ptr %a23
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  br label %endif6448
+else6447:
+  %t24 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t24, i32 0, i32 1
+  %t26 = load i64, ptr %t25
+  %t27 = icmp eq i64 %t26, 0
+  br i1 %t27, label %then6451, label %endif6453
+then6451:
+  %t28 = load ptr, ptr %a1
+  %t29 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t28, %S.ast.Node %t29, { ptr, i64, i64 } { ptr @.str.4201, i64 47, i64 0 })
+  br label %endif6453
+endif6453:
+  br label %endif6448
+endif6448:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a30
+  %t31 = load ptr, ptr %a1
+  %t32 = icmp eq ptr %t31, null
+  br i1 %t32, label %panic6454, label %ok6455
+panic6454:
+  call void @finch_panic(ptr @.str.4202, i64 3533, ptr @.str.4203)
   unreachable
-inrange6107:
-  %t158 = extractvalue { ptr, i64, i64 } %t155, 0
-  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %t158, i64 %t154
-  %t160 = load { ptr, i64, i64 }, ptr %t159
-  %t161 = load { ptr, i64, i64 }, ptr %a149
-  call void @finch.gen.store(ptr %t150, { ptr, i64, i64 } %t153, { ptr, i64, i64 } %t160, { ptr, i64, i64 } %t161)
-  br label %for.step6104
-for.step6104:
-  %t162 = load i64, ptr %a117
-  %t163 = add i64 %t162, 1
-  store i64 %t163, ptr %a117
-  br label %for.cond6102
-for.end6105:
-  %t164 = load ptr, ptr %a1
-  %t165 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.4049, i64 41, i64 0 }, ptr %a167
-  store { ptr, i64, i64 } %t165, ptr %a168
-  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
-  %t169 = load { ptr, i64, i64 }, ptr %a166
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.4050, i64 3, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = call { ptr, i64, i64 } @finch.gen.op(ptr %t164, { ptr, i64, i64 } %t173)
-  store { ptr, i64, i64 } %t174, ptr %a175
-  %t176 = load ptr, ptr %a1
-  %t177 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } { ptr @.str.4051, i64 30, i64 0 }, ptr %a179
-  store { ptr, i64, i64 } %t177, ptr %a180
-  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
-  %t181 = load { ptr, i64, i64 }, ptr %a178
-  store { ptr, i64, i64 } %t181, ptr %a183
-  store { ptr, i64, i64 } { ptr @.str.4052, i64 6, i64 0 }, ptr %a184
+ok6455:
+  %t33 = getelementptr inbounds %S.gen.Gen, ptr %t31, i32 0, i32 11
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i32 0, i32 1
+  %t35 = load i64, ptr %t34
+  store i64 %t35, ptr %a36
+  %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  store i64 0, ptr %a38
+  br label %each.cond6456
+each.cond6456:
+  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i32 0, i32 1
+  %t40 = load i64, ptr %t39
+  %t41 = load i64, ptr %a38
+  %t42 = icmp slt i64 %t41, %t40
+  br i1 %t42, label %each.body6457, label %each.end6459
+each.body6457:
+  %t43 = load ptr, ptr %t37
+  %t44 = getelementptr inbounds %S.ast.Node, ptr %t43, i64 %t41
+  %t45 = load %S.ast.Node, ptr %t44
+  store %S.ast.Node %t45, ptr %a46
+  store %S.gen.Val zeroinitializer, ptr %a47
+  %t48 = getelementptr inbounds %S.ast.Type, ptr %a5, i32 0, i32 0
+  %t49 = load { ptr, i64, i64 }, ptr %t48
+  store { ptr, i64, i64 } %t49, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.4204, i64 4, i64 0 }, ptr %a51
+  %t52 = call i32 @finch_str_eq(ptr %a50, ptr %a51)
+  %t53 = icmp ne i32 %t52, 0
+  br i1 %t53, label %then6460, label %else6461
+then6460:
+  %t54 = load ptr, ptr %a1
+  %t55 = load %S.ast.Node, ptr %a46
+  %t56 = call %S.gen.Val @finch.gen.expr(ptr %t54, %S.ast.Node %t55)
+  %t57 = load %S.gen.Val, ptr %a47
+  store %S.gen.Val %t56, ptr %a47
+  store %S.gen.Val %t57, ptr %a58
+  call void @finch.drop.S_gen_Val(ptr %a58)
+  %t59 = getelementptr inbounds %S.gen.Val, ptr %a47, i32 0, i32 1
+  %t60 = load %S.ast.Type, ptr %t59
+  store %S.ast.Type %t60, ptr %a61
+  call void @finch.copy.S_ast_Type(ptr %a62, ptr %a61)
+  %t63 = load %S.ast.Type, ptr %a62
+  %t64 = load %S.ast.Type, ptr %a5
+  store %S.ast.Type %t63, ptr %a5
+  store %S.ast.Type %t64, ptr %a65
+  call void @finch.drop.S_ast_Type(ptr %a65)
+  br label %endif6462
+else6461:
+  %t66 = load ptr, ptr %a1
+  %t67 = load %S.ast.Node, ptr %a46
+  %t68 = load %S.ast.Type, ptr %a5
+  %t69 = call %S.gen.Val @finch.gen.exprWant(ptr %t66, %S.ast.Node %t67, %S.ast.Type %t68)
+  %t70 = load %S.gen.Val, ptr %a47
+  store %S.gen.Val %t69, ptr %a47
+  store %S.gen.Val %t70, ptr %a71
+  call void @finch.drop.S_gen_Val(ptr %a71)
+  br label %endif6462
+endif6462:
+  %t72 = load ptr, ptr %a1
+  %t73 = load %S.gen.Val, ptr %a47
+  %t74 = load %S.ast.Type, ptr %a5
+  %t75 = load %S.ast.Node, ptr %a46
+  %t76 = call %S.gen.Val @finch.gen.coerce(ptr %t72, %S.gen.Val %t73, %S.ast.Type %t74, %S.ast.Node %t75, { ptr, i64, i64 } { ptr @.str.4205, i64 27, i64 0 })
+  %t77 = load %S.gen.Val, ptr %a47
+  store %S.gen.Val %t76, ptr %a47
+  store %S.gen.Val %t77, ptr %a78
+  call void @finch.drop.S_gen_Val(ptr %a78)
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t80 = load ptr, ptr %a1
+  %t81 = load %S.gen.Val, ptr %a47
+  %t82 = call { ptr, i64, i64 } @finch.gen.own(ptr %t80, %S.gen.Val %t81)
+  %t83 = load i64, ptr %t79
+  %t84 = add i64 %t83, 1
+  call void @finch_arr_reserve(ptr %a30, i64 %t84, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t85 = load ptr, ptr %a30
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i64 %t83
+  store { ptr, i64, i64 } %t82, ptr %t86
+  store i64 %t84, ptr %t79
+  %t87 = load ptr, ptr %a1
+  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t89 = load i64, ptr %t88
+  %t90 = sub i64 %t89, 1
+  %t91 = load { ptr, i64, i64 }, ptr %a30
+  %t92 = extractvalue { ptr, i64, i64 } %t91, 1
+  %t93 = icmp uge i64 %t90, %t92
+  br i1 %t93, label %range6463, label %inrange6464
+range6463:
+  call void @finch_panic_index(ptr @.str.4206, i64 3544, i64 %t90, i64 %t92)
+  unreachable
+inrange6464:
+  %t94 = extractvalue { ptr, i64, i64 } %t91, 0
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i64 %t90
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } %t96, ptr %a97
+  call void @finch_str_copy(ptr %a98, ptr %a97)
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  %t100 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t99, 0
+  %t101 = load %S.ast.Type, ptr %a5
+  store %S.ast.Type %t101, ptr %a102
+  call void @finch.copy.S_ast_Type(ptr %a103, ptr %a102)
+  %t104 = load %S.ast.Type, ptr %a103
+  %t105 = insertvalue %S.gen.Val %t100, %S.ast.Type %t104, 1
+  %t106 = insertvalue %S.gen.Val %t105, i1 true, 2
+  call void @finch.gen.hold(ptr %t87, %S.gen.Val %t106)
+  store %S.gen.Val %t106, ptr %a107
+  call void @finch.drop.S_gen_Val(ptr %a107)
+  call void @finch.drop.S_gen_Val(ptr %a47)
+  br label %each.step6458
+each.step6458:
+  %t108 = load i64, ptr %a38
+  %t109 = add i64 %t108, 1
+  store i64 %t109, ptr %a38
+  br label %each.cond6456
+each.end6459:
+  %t110 = load ptr, ptr %a1
+  %t111 = load i64, ptr %a36
+  call void @finch.gen.heldEnd(ptr %t110, i64 %t111)
+  %t112 = load %S.ast.Type, ptr %a5
+  %t113 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t112)
+  store %S.ast.Type %t113, ptr %a114
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t116 = load i64, ptr %t115
+  call void @finch_str_from_int(ptr %a117, i64 %t116)
+  %t118 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.4207, i64 4, i64 0 }, ptr %a120
+  %t121 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t122 = load i64, ptr %t121
+  %t123 = icmp sgt i64 %t122, 0
+  br i1 %t123, label %then6465, label %endif6467
+then6465:
+  %t124 = load ptr, ptr %a1
+  %t125 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.4208, i64 8, i64 0 }, ptr %a127
+  store { ptr, i64, i64 } %t125, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  %t129 = load { ptr, i64, i64 }, ptr %a126
+  store { ptr, i64, i64 } %t129, ptr %a131
+  store { ptr, i64, i64 } { ptr @.str.4209, i64 2, i64 0 }, ptr %a132
+  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
+  store { ptr, i64, i64 } %t129, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  %t135 = load ptr, ptr %a1
+  %t136 = load %S.ast.Type, ptr %a5
+  %t137 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t135, %S.ast.Type %t136)
+  store { ptr, i64, i64 } %t134, ptr %a139
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t134, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  store { ptr, i64, i64 } %t137, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a138
+  %t144 = call { ptr, i64, i64 } @finch.gen.op(ptr %t124, { ptr, i64, i64 } %t143)
+  store { ptr, i64, i64 } %t143, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  store { ptr, i64, i64 } %t144, ptr %a146
+  %t147 = load ptr, ptr %a1
+  %t148 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } { ptr @.str.4210, i64 26, i64 0 }, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.4211, i64 1, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  %t158 = call { ptr, i64, i64 } @finch.gen.op(ptr %t147, { ptr, i64, i64 } %t157)
+  store { ptr, i64, i64 } %t157, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t158, ptr %a120
+  store { ptr, i64, i64 } %t160, ptr %a161
+  call void @finch_str_drop(ptr %a161)
+  call void @finch_str_drop(ptr %a146)
+  br label %endif6467
+endif6467:
+  %t162 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t163 = load i64, ptr %t162
+  store i64 0, ptr %a164
+  br label %for.cond6468
+for.cond6468:
+  %t165 = load i64, ptr %a164
+  %t166 = icmp slt i64 %t165, %t163
+  br i1 %t166, label %for.body6469, label %for.end6471
+for.body6469:
+  %t167 = load ptr, ptr %a1
+  %t168 = load ptr, ptr %a1
+  %t169 = load %S.ast.Type, ptr %a5
+  %t170 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t168, %S.ast.Type %t169)
+  store { ptr, i64, i64 } { ptr @.str.4212, i64 23, i64 0 }, ptr %a172
+  store { ptr, i64, i64 } %t170, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  store { ptr, i64, i64 } %t170, ptr %a174
+  call void @finch_str_drop(ptr %a174)
+  %t175 = load { ptr, i64, i64 }, ptr %a171
+  store { ptr, i64, i64 } %t175, ptr %a177
+  store { ptr, i64, i64 } { ptr @.str.4213, i64 6, i64 0 }, ptr %a178
+  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
+  store { ptr, i64, i64 } %t175, ptr %a179
+  call void @finch_str_drop(ptr %a179)
+  %t180 = load { ptr, i64, i64 }, ptr %a176
+  %t181 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t180, ptr %a183
+  store { ptr, i64, i64 } %t181, ptr %a184
   call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
-  %t185 = load { ptr, i64, i64 }, ptr %a182
-  %t186 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t185, ptr %a188
-  store { ptr, i64, i64 } %t186, ptr %a189
+  store { ptr, i64, i64 } %t180, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a182
+  store { ptr, i64, i64 } %t186, ptr %a188
+  store { ptr, i64, i64 } { ptr @.str.4214, i64 6, i64 0 }, ptr %a189
   call void @finch_str_concat(ptr %a187, ptr %a188, ptr %a189)
-  %t190 = load { ptr, i64, i64 }, ptr %a187
-  store { ptr, i64, i64 } %t190, ptr %a192
-  store { ptr, i64, i64 } { ptr @.str.4053, i64 3, i64 0 }, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  %t195 = call { ptr, i64, i64 } @finch.gen.op(ptr %t176, { ptr, i64, i64 } %t194)
-  store { ptr, i64, i64 } %t195, ptr %a196
-  %t197 = load ptr, ptr %a1
-  %t198 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.4054, i64 30, i64 0 }, ptr %a200
-  store { ptr, i64, i64 } %t198, ptr %a201
-  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
-  %t202 = load { ptr, i64, i64 }, ptr %a199
-  store { ptr, i64, i64 } %t202, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.4055, i64 6, i64 0 }, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  %t207 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t206, ptr %a209
-  store { ptr, i64, i64 } %t207, ptr %a210
-  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
-  %t211 = load { ptr, i64, i64 }, ptr %a208
-  store { ptr, i64, i64 } %t211, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.4056, i64 3, i64 0 }, ptr %a214
-  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
-  %t215 = load { ptr, i64, i64 }, ptr %a212
-  %t216 = call { ptr, i64, i64 } @finch.gen.op(ptr %t197, { ptr, i64, i64 } %t215)
-  store { ptr, i64, i64 } %t216, ptr %a217
-  %t218 = load { ptr, i64, i64 }, ptr %a217
-  store { ptr, i64, i64 } %t218, ptr %a219
-  call void @finch_str_copy(ptr %a220, ptr %a219)
-  %t221 = load { ptr, i64, i64 }, ptr %a220
-  %t222 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t221, 0
-  %t223 = load %S.ast.Type, ptr %a75
-  store %S.ast.Type %t223, ptr %a224
-  call void @finch.copy.S_ast_Type(ptr %a225, ptr %a224)
-  %t226 = load %S.ast.Type, ptr %a225
-  %t227 = insertvalue %S.gen.Val %t222, %S.ast.Type %t226, 1
-  %t228 = insertvalue %S.gen.Val %t227, i1 true, 2
-  ret %S.gen.Val %t228
+  store { ptr, i64, i64 } %t186, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a187
+  %t192 = load i64, ptr %a164
+  call void @finch_str_from_int(ptr %a193, i64 %t192)
+  %t194 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t191, ptr %a196
+  store { ptr, i64, i64 } %t194, ptr %a197
+  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
+  store { ptr, i64, i64 } %t191, ptr %a198
+  call void @finch_str_drop(ptr %a198)
+  store { ptr, i64, i64 } %t194, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = load { ptr, i64, i64 }, ptr %a195
+  %t201 = call { ptr, i64, i64 } @finch.gen.op(ptr %t167, { ptr, i64, i64 } %t200)
+  store { ptr, i64, i64 } %t200, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  store { ptr, i64, i64 } %t201, ptr %a203
+  %t204 = load ptr, ptr %a1
+  %t205 = load ptr, ptr %a1
+  %t206 = load %S.ast.Type, ptr %a5
+  %t207 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t205, %S.ast.Type %t206)
+  %t208 = load i64, ptr %a164
+  %t209 = load { ptr, i64, i64 }, ptr %a30
+  %t210 = extractvalue { ptr, i64, i64 } %t209, 1
+  %t211 = icmp uge i64 %t208, %t210
+  br i1 %t211, label %range6472, label %inrange6473
+range6472:
+  call void @finch_panic_index(ptr @.str.4215, i64 3556, i64 %t208, i64 %t210)
+  unreachable
+inrange6473:
+  %t212 = extractvalue { ptr, i64, i64 } %t209, 0
+  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i64 %t208
+  %t214 = load { ptr, i64, i64 }, ptr %t213
+  %t215 = load { ptr, i64, i64 }, ptr %a203
+  call void @finch.gen.store(ptr %t204, { ptr, i64, i64 } %t207, { ptr, i64, i64 } %t214, { ptr, i64, i64 } %t215)
+  store { ptr, i64, i64 } %t207, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  call void @finch_str_drop(ptr %a203)
+  br label %for.step6470
+for.step6470:
+  %t217 = load i64, ptr %a164
+  %t218 = add i64 %t217, 1
+  store i64 %t218, ptr %a164
+  br label %for.cond6468
+for.end6471:
+  %t219 = load ptr, ptr %a1
+  %t220 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.4216, i64 41, i64 0 }, ptr %a222
+  store { ptr, i64, i64 } %t220, ptr %a223
+  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a221
+  store { ptr, i64, i64 } %t224, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.4217, i64 3, i64 0 }, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t224, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  %t230 = call { ptr, i64, i64 } @finch.gen.op(ptr %t219, { ptr, i64, i64 } %t229)
+  store { ptr, i64, i64 } %t229, ptr %a231
+  call void @finch_str_drop(ptr %a231)
+  store { ptr, i64, i64 } %t230, ptr %a232
+  %t233 = load ptr, ptr %a1
+  %t234 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.4218, i64 30, i64 0 }, ptr %a236
+  store { ptr, i64, i64 } %t234, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a235
+  store { ptr, i64, i64 } %t238, ptr %a240
+  store { ptr, i64, i64 } { ptr @.str.4219, i64 6, i64 0 }, ptr %a241
+  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
+  store { ptr, i64, i64 } %t238, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load { ptr, i64, i64 }, ptr %a239
+  %t244 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } %t243, ptr %a246
+  store { ptr, i64, i64 } %t244, ptr %a247
+  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
+  store { ptr, i64, i64 } %t243, ptr %a248
+  call void @finch_str_drop(ptr %a248)
+  %t249 = load { ptr, i64, i64 }, ptr %a245
+  store { ptr, i64, i64 } %t249, ptr %a251
+  store { ptr, i64, i64 } { ptr @.str.4220, i64 3, i64 0 }, ptr %a252
+  call void @finch_str_concat(ptr %a250, ptr %a251, ptr %a252)
+  store { ptr, i64, i64 } %t249, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a250
+  %t255 = call { ptr, i64, i64 } @finch.gen.op(ptr %t233, { ptr, i64, i64 } %t254)
+  store { ptr, i64, i64 } %t254, ptr %a256
+  call void @finch_str_drop(ptr %a256)
+  store { ptr, i64, i64 } %t255, ptr %a257
+  %t258 = load ptr, ptr %a1
+  %t259 = load { ptr, i64, i64 }, ptr %a257
+  store { ptr, i64, i64 } { ptr @.str.4221, i64 30, i64 0 }, ptr %a261
+  store { ptr, i64, i64 } %t259, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  %t263 = load { ptr, i64, i64 }, ptr %a260
+  store { ptr, i64, i64 } %t263, ptr %a265
+  store { ptr, i64, i64 } { ptr @.str.4222, i64 6, i64 0 }, ptr %a266
+  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
+  store { ptr, i64, i64 } %t263, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a264
+  %t269 = load { ptr, i64, i64 }, ptr %a119
+  store { ptr, i64, i64 } %t268, ptr %a271
+  store { ptr, i64, i64 } %t269, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t268, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.4223, i64 3, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  call void @finch_str_drop(ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a275
+  %t280 = call { ptr, i64, i64 } @finch.gen.op(ptr %t258, { ptr, i64, i64 } %t279)
+  store { ptr, i64, i64 } %t279, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  store { ptr, i64, i64 } %t280, ptr %a282
+  %t283 = load { ptr, i64, i64 }, ptr %a282
+  store { ptr, i64, i64 } %t283, ptr %a284
+  call void @finch_str_copy(ptr %a285, ptr %a284)
+  %t286 = load { ptr, i64, i64 }, ptr %a285
+  %t287 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t286, 0
+  %t288 = load %S.ast.Type, ptr %a114
+  store %S.ast.Type %t288, ptr %a289
+  call void @finch.copy.S_ast_Type(ptr %a290, ptr %a289)
+  %t291 = load %S.ast.Type, ptr %a290
+  %t292 = insertvalue %S.gen.Val %t287, %S.ast.Type %t291, 1
+  %t293 = insertvalue %S.gen.Val %t292, i1 true, 2
+  call void @finch_str_drop(ptr %a282)
+  call void @finch_str_drop(ptr %a257)
+  call void @finch_str_drop(ptr %a232)
+  call void @finch_str_drop(ptr %a120)
+  call void @finch_str_drop(ptr %a119)
+  call void @finch.drop.S_ast_Type(ptr %a114)
+  call void @finch.drop.arr_str(ptr %a30)
+  call void @finch.drop.S_ast_Type(ptr %a5)
+  ret %S.gen.Val %t293
 }
 
 define internal void @finch.copy.S_gen_Place(ptr %dst, ptr %src) {
@@ -55083,70 +65172,77 @@ entry:
   %a24 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca %S.gen.Ref, align 16
-  %a40 = alloca %S.gen.Place, align 16
-  %a41 = alloca %S.gen.Place, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca %S.gen.Ref, align 16
+  %a42 = alloca %S.gen.Place, align 16
+  %a43 = alloca %S.gen.Place, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4057, i64 3, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.4224, i64 3, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.from6108
-logic.from6108:
-  br i1 %t9, label %logic.rhs6109, label %logic.end6110
-logic.rhs6109:
+  br label %logic.from6474
+logic.from6474:
+  br i1 %t9, label %logic.rhs6475, label %logic.end6476
+logic.rhs6475:
   %t10 = load ptr, ptr %a1
   %t11 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t12 = load { ptr, i64, i64 }, ptr %t11
   %t13 = call i64 @finch.gen.lookup(ptr %t10, { ptr, i64, i64 } %t12)
   %t14 = icmp slt i64 %t13, 0
-  br label %logic.rend6111
-logic.rend6111:
-  br label %logic.end6110
-logic.end6110:
-  %t15 = phi i1 [ false, %logic.from6108 ], [ %t14, %logic.rend6111 ]
-  br i1 %t15, label %then6112, label %endif6114
-then6112:
+  br label %logic.rend6477
+logic.rend6477:
+  br label %logic.end6476
+logic.end6476:
+  %t15 = phi i1 [ false, %logic.from6474 ], [ %t14, %logic.rend6477 ]
+  br i1 %t15, label %then6478, label %endif6480
+then6478:
   %t16 = load ptr, ptr %a1
   %t17 = load %S.ast.Node, ptr %a2
   %t18 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t19 = load { ptr, i64, i64 }, ptr %t18
-  store { ptr, i64, i64 } { ptr @.str.4058, i64 28, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4225, i64 28, i64 0 }, ptr %a21
   store { ptr, i64, i64 } %t19, ptr %a22
   call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
   %t23 = load { ptr, i64, i64 }, ptr %a20
   store { ptr, i64, i64 } %t23, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.4059, i64 1, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.4226, i64 1, i64 0 }, ptr %a26
   call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } %t27)
-  br label %endif6114
-endif6114:
-  %t28 = load ptr, ptr %a1
-  %t29 = load %S.ast.Node, ptr %a2
-  %t30 = load i1, ptr %a3
-  %t31 = call %S.gen.Ref @finch.gen.ref(ptr %t28, %S.ast.Node %t29, i1 %t30)
-  store %S.gen.Ref %t31, ptr %a32
-  %t33 = getelementptr inbounds %S.gen.Ref, ptr %a32, i32 0, i32 0
-  %t34 = load i1, ptr %t33
-  %t35 = xor i1 %t34, true
-  br i1 %t35, label %then6115, label %endif6117
-then6115:
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } { ptr @.str.4060, i64 60, i64 0 })
-  br label %endif6117
-endif6117:
-  %t38 = getelementptr inbounds %S.gen.Ref, ptr %a32, i32 0, i32 1
-  %t39 = load %S.gen.Place, ptr %t38
-  store %S.gen.Place %t39, ptr %a40
-  call void @finch.copy.S_gen_Place(ptr %a41, ptr %a40)
-  %t42 = load %S.gen.Place, ptr %a41
-  ret %S.gen.Place %t42
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  call void @finch.gen.fail(ptr %t16, %S.ast.Node %t17, { ptr, i64, i64 } %t28)
+  store { ptr, i64, i64 } %t28, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  br label %endif6480
+endif6480:
+  %t30 = load ptr, ptr %a1
+  %t31 = load %S.ast.Node, ptr %a2
+  %t32 = load i1, ptr %a3
+  %t33 = call %S.gen.Ref @finch.gen.ref(ptr %t30, %S.ast.Node %t31, i1 %t32)
+  store %S.gen.Ref %t33, ptr %a34
+  %t35 = getelementptr inbounds %S.gen.Ref, ptr %a34, i32 0, i32 0
+  %t36 = load i1, ptr %t35
+  %t37 = xor i1 %t36, true
+  br i1 %t37, label %then6481, label %endif6483
+then6481:
+  %t38 = load ptr, ptr %a1
+  %t39 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t38, %S.ast.Node %t39, { ptr, i64, i64 } { ptr @.str.4227, i64 60, i64 0 })
+  br label %endif6483
+endif6483:
+  %t40 = getelementptr inbounds %S.gen.Ref, ptr %a34, i32 0, i32 1
+  %t41 = load %S.gen.Place, ptr %t40
+  store %S.gen.Place %t41, ptr %a42
+  call void @finch.copy.S_gen_Place(ptr %a43, ptr %a42)
+  %t44 = load %S.gen.Place, ptr %a43
+  call void @finch.drop.S_gen_Ref(ptr %a34)
+  ret %S.gen.Place %t44
 }
 
 define internal void @finch.copy.S_cimport_CConst(ptr %dst, ptr %src) {
@@ -55187,93 +65283,112 @@ entry:
   %a110 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca %S.ast.Type, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca i64, align 16
-  %a184 = alloca i64, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a222 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca %S.ast.Type, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca i64, align 16
+  %a190 = alloca i64, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca %S.ast.Type, align 16
-  %a246 = alloca %S.ast.Type, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca %S.ast.Type, align 16
+  %a256 = alloca %S.ast.Type, align 16
   %a270 = alloca { ptr, i64, i64 }, align 16
   %a271 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a274 = alloca { ptr, i64, i64 }, align 16
   %a275 = alloca { ptr, i64, i64 }, align 16
   %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca %S.gen.Var, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
   %a305 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a309 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca %S.gen.Var, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a325 = alloca { ptr, i64, i64 }, align 16
+  %a326 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a332 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca %S.ast.Type, align 16
-  %a338 = alloca %S.ast.Type, align 16
-  %a344 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca %S.ast.Type, align 16
+  %a359 = alloca %S.ast.Type, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
   %t4 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4061, i64 3, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.4228, i64 3, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br i1 %t9, label %then6118, label %endif6120
-then6118:
+  br i1 %t9, label %then6484, label %endif6486
+then6484:
   %t10 = load ptr, ptr %a1
   %t11 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t12 = load { ptr, i64, i64 }, ptr %t11
@@ -55281,53 +65396,53 @@ then6118:
   store i64 %t13, ptr %a14
   %t15 = load i64, ptr %a14
   %t16 = icmp slt i64 %t15, 0
-  br label %logic.from6121
-logic.from6121:
-  br i1 %t16, label %logic.rhs6122, label %logic.end6123
-logic.rhs6122:
+  br label %logic.from6487
+logic.from6487:
+  br i1 %t16, label %logic.rhs6488, label %logic.end6489
+logic.rhs6488:
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic6124, label %ok6125
-panic6124:
-  call void @finch_panic(ptr @.str.4062, i64 3311, ptr @.str.4063)
+  br i1 %t18, label %panic6490, label %ok6491
+panic6490:
+  call void @finch_panic(ptr @.str.4229, i64 3580, ptr @.str.4230)
   unreachable
-ok6125:
-  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 24
+ok6491:
+  %t19 = getelementptr inbounds %S.gen.Gen, ptr %t17, i32 0, i32 25
   %t20 = getelementptr inbounds %S.cimport.CImports, ptr %t19, i32 0, i32 1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
   %t24 = call i64 @finch_map_find(ptr %t20, ptr %a23, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t25 = icmp sge i64 %t24, 0
-  br label %logic.rend6126
-logic.rend6126:
-  br label %logic.end6123
-logic.end6123:
-  %t26 = phi i1 [ false, %logic.from6121 ], [ %t25, %logic.rend6126 ]
-  br i1 %t26, label %then6127, label %endif6129
-then6127:
+  br label %logic.rend6492
+logic.rend6492:
+  br label %logic.end6489
+logic.end6489:
+  %t26 = phi i1 [ false, %logic.from6487 ], [ %t25, %logic.rend6492 ]
+  br i1 %t26, label %then6493, label %endif6495
+then6493:
   %t27 = load ptr, ptr %a1
   %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic6130, label %ok6131
-panic6130:
-  call void @finch_panic(ptr @.str.4064, i64 3312, ptr @.str.4065)
+  br i1 %t28, label %panic6496, label %ok6497
+panic6496:
+  call void @finch_panic(ptr @.str.4231, i64 3581, ptr @.str.4232)
   unreachable
-ok6131:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 24
+ok6497:
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 25
   %t30 = getelementptr inbounds %S.cimport.CImports, ptr %t29, i32 0, i32 1
   %t31 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t32 = load { ptr, i64, i64 }, ptr %t31
   store { ptr, i64, i64 } %t32, ptr %a33
   %t34 = call i64 @finch_map_find(ptr %t30, ptr %a33, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t35 = icmp slt i64 %t34, 0
-  br i1 %t35, label %map.missing6132, label %map.found6133
-map.missing6132:
+  br i1 %t35, label %map.missing6498, label %map.found6499
+map.missing6498:
   store { ptr, i64, i64 } zeroinitializer, ptr %a36
   store { ptr, i64, i64 } %t32, ptr %a37
   call void @finch_buf_str(ptr %a36, ptr %a37, i32 1)
-  call void @finch_map_missing(ptr @.str.4066, i64 3312, ptr %a36)
+  call void @finch_map_missing(ptr @.str.4233, i64 3581, ptr %a36)
   unreachable
-map.found6133:
+map.found6499:
   %t38 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t30, i32 0, i32 0
   %t39 = load ptr, ptr %t38
   %t40 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t39, i64 %t34
@@ -55339,45 +65454,47 @@ map.found6133:
   store %S.cimport.CConst %t45, ptr %a46
   %t47 = getelementptr inbounds %S.cimport.CConst, ptr %a46, i32 0, i32 0
   %t48 = load i1, ptr %t47
-  br i1 %t48, label %then6134, label %endif6136
-then6134:
+  br i1 %t48, label %then6500, label %endif6502
+then6500:
   %t49 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
   %t50 = getelementptr inbounds %S.cimport.CConst, ptr %a46, i32 0, i32 3
   %t51 = load { ptr, i64, i64 }, ptr %t50
   %t52 = call { ptr, i64, i64 } @finch.gen.llFloat({ ptr, i64, i64 } %t51)
   %t53 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t52, 0
-  %t54 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4067, i64 5, i64 0 })
+  %t54 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4234, i64 5, i64 0 })
   %t55 = insertvalue %S.gen.Val %t53, %S.ast.Type %t54, 1
   %t56 = insertvalue %S.gen.Val %t55, i1 true, 3
   %t57 = insertvalue %S.gen.Ref %t49, %S.gen.Val %t56, 2
+  call void @finch.drop.S_cimport_CConst(ptr %a46)
   ret %S.gen.Ref %t57
-endif6136:
+endif6502:
   %t58 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
   %t59 = getelementptr inbounds %S.cimport.CConst, ptr %a46, i32 0, i32 1
   %t60 = load i64, ptr %t59
   call void @finch_str_from_int(ptr %a61, i64 %t60)
   %t62 = load { ptr, i64, i64 }, ptr %a61
   %t63 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t62, 0
-  %t64 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4068, i64 3, i64 0 })
+  %t64 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4235, i64 3, i64 0 })
   %t65 = insertvalue %S.gen.Val %t63, %S.ast.Type %t64, 1
   %t66 = insertvalue %S.gen.Val %t65, i1 true, 3
   %t67 = insertvalue %S.gen.Ref %t58, %S.gen.Val %t66, 2
+  call void @finch.drop.S_cimport_CConst(ptr %a46)
   ret %S.gen.Ref %t67
-endif6129:
+endif6495:
   %t68 = load i64, ptr %a14
   %t69 = icmp slt i64 %t68, 0
-  br label %logic.from6137
-logic.from6137:
-  br i1 %t69, label %logic.rhs6138, label %logic.end6139
-logic.rhs6138:
+  br label %logic.from6503
+logic.from6503:
+  br i1 %t69, label %logic.rhs6504, label %logic.end6505
+logic.rhs6504:
   %t70 = load ptr, ptr %a1
   %t71 = icmp eq ptr %t70, null
-  br i1 %t71, label %panic6140, label %ok6141
-panic6140:
-  call void @finch_panic(ptr @.str.4069, i64 3319, ptr @.str.4070)
+  br i1 %t71, label %panic6506, label %ok6507
+panic6506:
+  call void @finch_panic(ptr @.str.4236, i64 3588, ptr @.str.4237)
   unreachable
-ok6141:
-  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 24
+ok6507:
+  %t72 = getelementptr inbounds %S.gen.Gen, ptr %t70, i32 0, i32 25
   %t73 = getelementptr inbounds %S.cimport.CImports, ptr %t72, i32 0, i32 2
   %t74 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t75 = load { ptr, i64, i64 }, ptr %t74
@@ -55385,437 +65502,480 @@ ok6141:
   %t77 = call i64 @finch_map_find(ptr %t73, ptr %a76, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t78 = icmp sge i64 %t77, 0
   %t79 = xor i1 %t78, true
-  br label %logic.rend6142
-logic.rend6142:
-  br label %logic.end6139
-logic.end6139:
-  %t80 = phi i1 [ false, %logic.from6137 ], [ %t79, %logic.rend6142 ]
-  br label %logic.from6143
-logic.from6143:
-  br i1 %t80, label %logic.rhs6144, label %logic.end6145
-logic.rhs6144:
+  br label %logic.rend6508
+logic.rend6508:
+  br label %logic.end6505
+logic.end6505:
+  %t80 = phi i1 [ false, %logic.from6503 ], [ %t79, %logic.rend6508 ]
+  br label %logic.from6509
+logic.from6509:
+  br i1 %t80, label %logic.rhs6510, label %logic.end6511
+logic.rhs6510:
   %t81 = load ptr, ptr %a1
   %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic6146, label %ok6147
-panic6146:
-  call void @finch_panic(ptr @.str.4071, i64 3319, ptr @.str.4072)
+  br i1 %t82, label %panic6512, label %ok6513
+panic6512:
+  call void @finch_panic(ptr @.str.4238, i64 3588, ptr @.str.4239)
   unreachable
-ok6147:
-  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 24
+ok6513:
+  %t83 = getelementptr inbounds %S.gen.Gen, ptr %t81, i32 0, i32 25
   %t84 = getelementptr inbounds %S.cimport.CImports, ptr %t83, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4073, i64 7, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.4240, i64 7, i64 0 }, ptr %a85
   %t86 = call i64 @finch_map_find(ptr %t84, ptr %a85, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t87 = icmp sge i64 %t86, 0
-  br label %logic.rend6148
-logic.rend6148:
-  br label %logic.end6145
-logic.end6145:
-  %t88 = phi i1 [ false, %logic.from6143 ], [ %t87, %logic.rend6148 ]
-  br label %logic.from6149
-logic.from6149:
-  br i1 %t88, label %logic.rhs6150, label %logic.end6151
-logic.rhs6150:
+  br label %logic.rend6514
+logic.rend6514:
+  br label %logic.end6511
+logic.end6511:
+  %t88 = phi i1 [ false, %logic.from6509 ], [ %t87, %logic.rend6514 ]
+  br label %logic.from6515
+logic.from6515:
+  br i1 %t88, label %logic.rhs6516, label %logic.end6517
+logic.rhs6516:
   %t89 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t90 = load { ptr, i64, i64 }, ptr %t89
   store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.4074, i64 5, i64 0 }, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.4241, i64 5, i64 0 }, ptr %a92
   %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
   %t94 = icmp ne i32 %t93, 0
-  br label %logic.from6152
-logic.from6152:
-  br i1 %t94, label %logic.end6154, label %logic.rhs6153
-logic.rhs6153:
+  br label %logic.from6518
+logic.from6518:
+  br i1 %t94, label %logic.end6520, label %logic.rhs6519
+logic.rhs6519:
   %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t96 = load { ptr, i64, i64 }, ptr %t95
   store { ptr, i64, i64 } %t96, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.4075, i64 6, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.4242, i64 6, i64 0 }, ptr %a98
   %t99 = call i32 @finch_str_eq(ptr %a97, ptr %a98)
   %t100 = icmp ne i32 %t99, 0
-  br label %logic.rend6155
-logic.rend6155:
-  br label %logic.end6154
-logic.end6154:
-  %t101 = phi i1 [ true, %logic.from6152 ], [ %t100, %logic.rend6155 ]
-  br label %logic.from6156
-logic.from6156:
-  br i1 %t101, label %logic.end6158, label %logic.rhs6157
-logic.rhs6157:
+  br label %logic.rend6521
+logic.rend6521:
+  br label %logic.end6520
+logic.end6520:
+  %t101 = phi i1 [ true, %logic.from6518 ], [ %t100, %logic.rend6521 ]
+  br label %logic.from6522
+logic.from6522:
+  br i1 %t101, label %logic.end6524, label %logic.rhs6523
+logic.rhs6523:
   %t102 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t103 = load { ptr, i64, i64 }, ptr %t102
   store { ptr, i64, i64 } %t103, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.4076, i64 6, i64 0 }, ptr %a105
+  store { ptr, i64, i64 } { ptr @.str.4243, i64 6, i64 0 }, ptr %a105
   %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
   %t107 = icmp ne i32 %t106, 0
-  br label %logic.rend6159
-logic.rend6159:
-  br label %logic.end6158
-logic.end6158:
-  %t108 = phi i1 [ true, %logic.from6156 ], [ %t107, %logic.rend6159 ]
-  br label %logic.rend6160
-logic.rend6160:
-  br label %logic.end6151
-logic.end6151:
-  %t109 = phi i1 [ false, %logic.from6149 ], [ %t108, %logic.rend6160 ]
-  br i1 %t109, label %then6161, label %endif6163
-then6161:
-  store { ptr, i64, i64 } { ptr @.str.4077, i64 1, i64 0 }, ptr %a110
+  br label %logic.rend6525
+logic.rend6525:
+  br label %logic.end6524
+logic.end6524:
+  %t108 = phi i1 [ true, %logic.from6522 ], [ %t107, %logic.rend6525 ]
+  br label %logic.rend6526
+logic.rend6526:
+  br label %logic.end6517
+logic.end6517:
+  %t109 = phi i1 [ false, %logic.from6515 ], [ %t108, %logic.rend6526 ]
+  br i1 %t109, label %then6527, label %endif6529
+then6527:
+  store { ptr, i64, i64 } { ptr @.str.4244, i64 1, i64 0 }, ptr %a110
   %t111 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t112 = load { ptr, i64, i64 }, ptr %t111
   store { ptr, i64, i64 } %t112, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.4078, i64 5, i64 0 }, ptr %a114
+  store { ptr, i64, i64 } { ptr @.str.4245, i64 5, i64 0 }, ptr %a114
   %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
   %t116 = icmp ne i32 %t115, 0
-  br i1 %t116, label %then6164, label %else6165
-then6164:
-  store { ptr, i64, i64 } { ptr @.str.4079, i64 1, i64 0 }, ptr %a110
-  br label %endif6166
-else6165:
-  %t117 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t118 = load { ptr, i64, i64 }, ptr %t117
-  store { ptr, i64, i64 } %t118, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.4080, i64 6, i64 0 }, ptr %a120
-  %t121 = call i32 @finch_str_eq(ptr %a119, ptr %a120)
-  %t122 = icmp ne i32 %t121, 0
-  br i1 %t122, label %then6167, label %endif6169
-then6167:
-  store { ptr, i64, i64 } { ptr @.str.4081, i64 1, i64 0 }, ptr %a110
-  br label %endif6169
-endif6169:
-  br label %endif6166
-endif6166:
-  %t123 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t124 = load ptr, ptr %a1
+  br i1 %t116, label %then6530, label %else6531
+then6530:
+  %t117 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.4246, i64 1, i64 0 }, ptr %a110
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  br label %endif6532
+else6531:
+  %t119 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t120 = load { ptr, i64, i64 }, ptr %t119
+  store { ptr, i64, i64 } %t120, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.4247, i64 6, i64 0 }, ptr %a122
+  %t123 = call i32 @finch_str_eq(ptr %a121, ptr %a122)
+  %t124 = icmp ne i32 %t123, 0
+  br i1 %t124, label %then6533, label %endif6535
+then6533:
   %t125 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4082, i64 31, i64 0 }, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t129, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4083, i64 1, i64 0 }, ptr %a132
+  store { ptr, i64, i64 } { ptr @.str.4248, i64 1, i64 0 }, ptr %a110
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  br label %endif6535
+endif6535:
+  br label %endif6532
+endif6532:
+  %t127 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t128 = load ptr, ptr %a1
+  %t129 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } { ptr @.str.4249, i64 31, i64 0 }, ptr %a131
+  store { ptr, i64, i64 } %t129, ptr %a132
   call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
   %t133 = load { ptr, i64, i64 }, ptr %a130
-  %t134 = call { ptr, i64, i64 } @finch.gen.op(ptr %t124, { ptr, i64, i64 } %t133)
-  %t135 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t134, 0
-  %t136 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4084, i64 3, i64 0 })
-  %t137 = insertvalue %S.gen.Val %t135, %S.ast.Type %t136, 1
-  %t138 = insertvalue %S.gen.Ref %t123, %S.gen.Val %t137, 2
-  ret %S.gen.Ref %t138
-endif6163:
-  %t139 = load i64, ptr %a14
-  %t140 = icmp slt i64 %t139, 0
-  br label %logic.from6170
-logic.from6170:
-  br i1 %t140, label %logic.rhs6171, label %logic.end6172
-logic.rhs6171:
-  %t141 = load ptr, ptr %a1
-  %t142 = icmp eq ptr %t141, null
-  br i1 %t142, label %panic6173, label %ok6174
-panic6173:
-  call void @finch_panic(ptr @.str.4085, i64 3328, ptr @.str.4086)
+  store { ptr, i64, i64 } %t133, ptr %a135
+  store { ptr, i64, i64 } { ptr @.str.4250, i64 1, i64 0 }, ptr %a136
+  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
+  store { ptr, i64, i64 } %t133, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  %t138 = load { ptr, i64, i64 }, ptr %a134
+  %t139 = call { ptr, i64, i64 } @finch.gen.op(ptr %t128, { ptr, i64, i64 } %t138)
+  store { ptr, i64, i64 } %t138, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
+  %t142 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4251, i64 3, i64 0 })
+  %t143 = insertvalue %S.gen.Val %t141, %S.ast.Type %t142, 1
+  %t144 = insertvalue %S.gen.Ref %t127, %S.gen.Val %t143, 2
+  call void @finch_str_drop(ptr %a110)
+  ret %S.gen.Ref %t144
+endif6529:
+  %t145 = load i64, ptr %a14
+  %t146 = icmp slt i64 %t145, 0
+  br label %logic.from6536
+logic.from6536:
+  br i1 %t146, label %logic.rhs6537, label %logic.end6538
+logic.rhs6537:
+  %t147 = load ptr, ptr %a1
+  %t148 = icmp eq ptr %t147, null
+  br i1 %t148, label %panic6539, label %ok6540
+panic6539:
+  call void @finch_panic(ptr @.str.4252, i64 3597, ptr @.str.4253)
   unreachable
-ok6174:
-  %t143 = getelementptr inbounds %S.gen.Gen, ptr %t141, i32 0, i32 24
-  %t144 = getelementptr inbounds %S.cimport.CImports, ptr %t143, i32 0, i32 2
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t146 = load { ptr, i64, i64 }, ptr %t145
-  store { ptr, i64, i64 } %t146, ptr %a147
-  %t148 = call i64 @finch_map_find(ptr %t144, ptr %a147, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t149 = icmp sge i64 %t148, 0
-  br label %logic.rend6175
-logic.rend6175:
-  br label %logic.end6172
-logic.end6172:
-  %t150 = phi i1 [ false, %logic.from6170 ], [ %t149, %logic.rend6175 ]
-  br i1 %t150, label %then6176, label %endif6178
-then6176:
-  %t151 = load ptr, ptr %a1
-  %t152 = load ptr, ptr %a1
-  %t153 = icmp eq ptr %t152, null
-  br i1 %t153, label %panic6179, label %ok6180
-panic6179:
-  call void @finch_panic(ptr @.str.4087, i64 3329, ptr @.str.4088)
+ok6540:
+  %t149 = getelementptr inbounds %S.gen.Gen, ptr %t147, i32 0, i32 25
+  %t150 = getelementptr inbounds %S.cimport.CImports, ptr %t149, i32 0, i32 2
+  %t151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t152 = load { ptr, i64, i64 }, ptr %t151
+  store { ptr, i64, i64 } %t152, ptr %a153
+  %t154 = call i64 @finch_map_find(ptr %t150, ptr %a153, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t155 = icmp sge i64 %t154, 0
+  br label %logic.rend6541
+logic.rend6541:
+  br label %logic.end6538
+logic.end6538:
+  %t156 = phi i1 [ false, %logic.from6536 ], [ %t155, %logic.rend6541 ]
+  br i1 %t156, label %then6542, label %endif6544
+then6542:
+  %t157 = load ptr, ptr %a1
+  %t158 = load ptr, ptr %a1
+  %t159 = icmp eq ptr %t158, null
+  br i1 %t159, label %panic6545, label %ok6546
+panic6545:
+  call void @finch_panic(ptr @.str.4254, i64 3598, ptr @.str.4255)
   unreachable
-ok6180:
-  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 24
-  %t155 = getelementptr inbounds %S.cimport.CImports, ptr %t154, i32 0, i32 2
-  %t156 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  store { ptr, i64, i64 } %t157, ptr %a158
-  %t159 = call i64 @finch_map_find(ptr %t155, ptr %a158, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t160 = icmp slt i64 %t159, 0
-  br i1 %t160, label %map.missing6181, label %map.found6182
-map.missing6181:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a161
-  store { ptr, i64, i64 } %t157, ptr %a162
-  call void @finch_buf_str(ptr %a161, ptr %a162, i32 1)
-  call void @finch_map_missing(ptr @.str.4089, i64 3329, ptr %a161)
+ok6546:
+  %t160 = getelementptr inbounds %S.gen.Gen, ptr %t158, i32 0, i32 25
+  %t161 = getelementptr inbounds %S.cimport.CImports, ptr %t160, i32 0, i32 2
+  %t162 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t163 = load { ptr, i64, i64 }, ptr %t162
+  store { ptr, i64, i64 } %t163, ptr %a164
+  %t165 = call i64 @finch_map_find(ptr %t161, ptr %a164, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t166 = icmp slt i64 %t165, 0
+  br i1 %t166, label %map.missing6547, label %map.found6548
+map.missing6547:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a167
+  store { ptr, i64, i64 } %t163, ptr %a168
+  call void @finch_buf_str(ptr %a167, ptr %a168, i32 1)
+  call void @finch_map_missing(ptr @.str.4256, i64 3598, ptr %a167)
   unreachable
-map.found6182:
-  %t163 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t155, i32 0, i32 0
-  %t164 = load ptr, ptr %t163
-  %t165 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t164, i64 %t159
-  %t166 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t165, i32 0, i32 2
-  %t167 = load %S.ast.Type, ptr %t166
-  %t168 = load %S.ast.Node, ptr %a2
-  %t169 = call %S.ast.Type @finch.gen.resolve(ptr %t151, %S.ast.Type %t167, %S.ast.Node %t168)
-  store %S.ast.Type %t169, ptr %a170
-  %t171 = load ptr, ptr %a1
-  %t172 = icmp eq ptr %t171, null
-  br i1 %t172, label %panic6183, label %ok6184
-panic6183:
-  call void @finch_panic(ptr @.str.4090, i64 3330, ptr @.str.4091)
+map.found6548:
+  %t169 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t161, i32 0, i32 0
+  %t170 = load ptr, ptr %t169
+  %t171 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t170, i64 %t165
+  %t172 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t171, i32 0, i32 2
+  %t173 = load %S.ast.Type, ptr %t172
+  %t174 = load %S.ast.Node, ptr %a2
+  %t175 = call %S.ast.Type @finch.gen.resolve(ptr %t157, %S.ast.Type %t173, %S.ast.Node %t174)
+  store %S.ast.Type %t175, ptr %a176
+  %t177 = load ptr, ptr %a1
+  %t178 = icmp eq ptr %t177, null
+  br i1 %t178, label %panic6549, label %ok6550
+panic6549:
+  call void @finch_panic(ptr @.str.4257, i64 3599, ptr @.str.4258)
   unreachable
-ok6184:
-  %t173 = getelementptr inbounds %S.gen.Gen, ptr %t171, i32 0, i32 38
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t176 = load { ptr, i64, i64 }, ptr %t175
-  store { ptr, i64, i64 } { ptr @.str.4092, i64 2, i64 0 }, ptr %a178
-  store { ptr, i64, i64 } %t176, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  store i64 -1, ptr %a181
-  %t182 = load i64, ptr %t174
-  %t183 = load ptr, ptr %t173
-  store i64 0, ptr %a184
-  br label %find.cond6185
-find.cond6185:
-  %t185 = load i64, ptr %a184
-  %t186 = icmp slt i64 %t185, %t182
-  br i1 %t186, label %find.body6186, label %find.end6189
-find.body6186:
-  %t187 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i64 %t185
-  %t188 = load { ptr, i64, i64 }, ptr %t187
-  store { ptr, i64, i64 } %t188, ptr %a189
-  store { ptr, i64, i64 } %t180, ptr %a190
-  %t191 = call i32 @finch_str_eq(ptr %a189, ptr %a190)
-  %t192 = icmp ne i32 %t191, 0
-  br i1 %t192, label %find.hit6187, label %find.next6188
-find.hit6187:
-  store i64 %t185, ptr %a181
-  br label %find.end6189
-find.next6188:
-  %t193 = add i64 %t185, 1
-  store i64 %t193, ptr %a184
-  br label %find.cond6185
-find.end6189:
-  %t194 = load i64, ptr %a181
-  %t195 = icmp sge i64 %t194, 0
-  %t196 = xor i1 %t195, true
-  br i1 %t196, label %then6190, label %endif6192
-then6190:
-  %t197 = load ptr, ptr %a1
-  %t198 = icmp eq ptr %t197, null
-  br i1 %t198, label %panic6193, label %ok6194
-panic6193:
-  call void @finch_panic(ptr @.str.4093, i64 3331, ptr @.str.4094)
+ok6550:
+  %t179 = getelementptr inbounds %S.gen.Gen, ptr %t177, i32 0, i32 39
+  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i32 0, i32 1
+  %t181 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t182 = load { ptr, i64, i64 }, ptr %t181
+  store { ptr, i64, i64 } { ptr @.str.4259, i64 2, i64 0 }, ptr %a184
+  store { ptr, i64, i64 } %t182, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a183
+  store i64 -1, ptr %a187
+  %t188 = load i64, ptr %t180
+  %t189 = load ptr, ptr %t179
+  store i64 0, ptr %a190
+  br label %find.cond6551
+find.cond6551:
+  %t191 = load i64, ptr %a190
+  %t192 = icmp slt i64 %t191, %t188
+  br i1 %t192, label %find.body6552, label %find.end6555
+find.body6552:
+  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t189, i64 %t191
+  %t194 = load { ptr, i64, i64 }, ptr %t193
+  store { ptr, i64, i64 } %t194, ptr %a195
+  store { ptr, i64, i64 } %t186, ptr %a196
+  %t197 = call i32 @finch_str_eq(ptr %a195, ptr %a196)
+  %t198 = icmp ne i32 %t197, 0
+  br i1 %t198, label %find.hit6553, label %find.next6554
+find.hit6553:
+  store i64 %t191, ptr %a187
+  br label %find.end6555
+find.next6554:
+  %t199 = add i64 %t191, 1
+  store i64 %t199, ptr %a190
+  br label %find.cond6551
+find.end6555:
+  store { ptr, i64, i64 } %t186, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  %t201 = load i64, ptr %a187
+  %t202 = icmp sge i64 %t201, 0
+  %t203 = xor i1 %t202, true
+  br i1 %t203, label %then6556, label %endif6558
+then6556:
+  %t204 = load ptr, ptr %a1
+  %t205 = icmp eq ptr %t204, null
+  br i1 %t205, label %panic6559, label %ok6560
+panic6559:
+  call void @finch_panic(ptr @.str.4260, i64 3600, ptr @.str.4261)
   unreachable
-ok6194:
-  %t199 = getelementptr inbounds %S.gen.Gen, ptr %t197, i32 0, i32 38
-  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i32 0, i32 1
-  %t201 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  store { ptr, i64, i64 } { ptr @.str.4095, i64 2, i64 0 }, ptr %a204
-  store { ptr, i64, i64 } %t202, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  %t207 = load i64, ptr %t200
-  %t208 = add i64 %t207, 1
-  call void @finch_arr_reserve(ptr %t199, i64 %t208, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t209 = load ptr, ptr %t199
-  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i64 %t207
-  store { ptr, i64, i64 } %t206, ptr %t210
-  store i64 %t208, ptr %t200
-  %t211 = load ptr, ptr %a1
-  %t212 = icmp eq ptr %t211, null
-  br i1 %t212, label %panic6195, label %ok6196
-panic6195:
-  call void @finch_panic(ptr @.str.4096, i64 3332, ptr @.str.4097)
+ok6560:
+  %t206 = getelementptr inbounds %S.gen.Gen, ptr %t204, i32 0, i32 39
+  %t207 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
+  %t208 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t209 = load { ptr, i64, i64 }, ptr %t208
+  store { ptr, i64, i64 } { ptr @.str.4262, i64 2, i64 0 }, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  %t213 = load { ptr, i64, i64 }, ptr %a210
+  %t214 = load i64, ptr %t207
+  %t215 = add i64 %t214, 1
+  call void @finch_arr_reserve(ptr %t206, i64 %t215, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t216 = load ptr, ptr %t206
+  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i64 %t214
+  store { ptr, i64, i64 } %t213, ptr %t217
+  store i64 %t215, ptr %t207
+  %t218 = load ptr, ptr %a1
+  %t219 = icmp eq ptr %t218, null
+  br i1 %t219, label %panic6561, label %ok6562
+panic6561:
+  call void @finch_panic(ptr @.str.4263, i64 3601, ptr @.str.4264)
   unreachable
-ok6196:
-  %t213 = getelementptr inbounds %S.gen.Gen, ptr %t211, i32 0, i32 2
-  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %t213, i32 0, i32 1
-  %t215 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t216 = load { ptr, i64, i64 }, ptr %t215
-  store { ptr, i64, i64 } { ptr @.str.4098, i64 1, i64 0 }, ptr %a218
-  store { ptr, i64, i64 } %t216, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  store { ptr, i64, i64 } %t220, ptr %a222
-  store { ptr, i64, i64 } { ptr @.str.4099, i64 19, i64 0 }, ptr %a223
-  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
-  %t224 = load { ptr, i64, i64 }, ptr %a221
-  %t225 = load ptr, ptr %a1
-  %t226 = load %S.ast.Type, ptr %a170
-  %t227 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t225, %S.ast.Type %t226)
-  store { ptr, i64, i64 } %t224, ptr %a229
-  store { ptr, i64, i64 } %t227, ptr %a230
+ok6562:
+  %t220 = getelementptr inbounds %S.gen.Gen, ptr %t218, i32 0, i32 2
+  %t221 = getelementptr inbounds { ptr, i64, i64 }, ptr %t220, i32 0, i32 1
+  %t222 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t223 = load { ptr, i64, i64 }, ptr %t222
+  store { ptr, i64, i64 } { ptr @.str.4265, i64 1, i64 0 }, ptr %a225
+  store { ptr, i64, i64 } %t223, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a224
+  store { ptr, i64, i64 } %t227, ptr %a229
+  store { ptr, i64, i64 } { ptr @.str.4266, i64 19, i64 0 }, ptr %a230
   call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load i64, ptr %t214
-  %t233 = add i64 %t232, 1
-  call void @finch_arr_reserve(ptr %t213, i64 %t233, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t234 = load ptr, ptr %t213
-  %t235 = getelementptr inbounds { ptr, i64, i64 }, ptr %t234, i64 %t232
-  store { ptr, i64, i64 } %t231, ptr %t235
-  store i64 %t233, ptr %t214
-  br label %endif6192
-endif6192:
-  %t236 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t237 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %t237
-  store { ptr, i64, i64 } { ptr @.str.4100, i64 1, i64 0 }, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  %t243 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t242, 0
-  %t244 = load %S.ast.Type, ptr %a170
-  store %S.ast.Type %t244, ptr %a245
-  call void @finch.copy.S_ast_Type(ptr %a246, ptr %a245)
-  %t247 = load %S.ast.Type, ptr %a246
-  %t248 = insertvalue %S.gen.Place %t243, %S.ast.Type %t247, 1
-  %t249 = insertvalue %S.gen.Ref %t236, %S.gen.Place %t248, 1
-  ret %S.gen.Ref %t249
-endif6178:
-  %t250 = load i64, ptr %a14
-  %t251 = icmp slt i64 %t250, 0
-  br i1 %t251, label %then6197, label %endif6199
-then6197:
-  %t252 = load ptr, ptr %a1
-  %t253 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t254 = load { ptr, i64, i64 }, ptr %t253
-  %t255 = call i1 @finch.gen.imports(ptr %t252, { ptr, i64, i64 } %t254)
-  br i1 %t255, label %then6200, label %endif6202
-then6200:
-  %t256 = load ptr, ptr %a1
-  %t257 = load %S.ast.Node, ptr %a2
-  %t258 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t259 = load { ptr, i64, i64 }, ptr %t258
-  store { ptr, i64, i64 } { ptr @.str.4101, i64 1, i64 0 }, ptr %a261
-  store { ptr, i64, i64 } %t259, ptr %a262
-  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
-  %t263 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t263, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.4102, i64 43, i64 0 }, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t227, ptr %a231
+  call void @finch_str_drop(ptr %a231)
+  %t232 = load { ptr, i64, i64 }, ptr %a228
+  %t233 = load ptr, ptr %a1
+  %t234 = load %S.ast.Type, ptr %a176
+  %t235 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t233, %S.ast.Type %t234)
+  store { ptr, i64, i64 } %t232, ptr %a237
+  store { ptr, i64, i64 } %t235, ptr %a238
+  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
+  store { ptr, i64, i64 } %t232, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  store { ptr, i64, i64 } %t235, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = load { ptr, i64, i64 }, ptr %a236
+  %t242 = load i64, ptr %t221
+  %t243 = add i64 %t242, 1
+  call void @finch_arr_reserve(ptr %t220, i64 %t243, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t244 = load ptr, ptr %t220
+  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %t244, i64 %t242
+  store { ptr, i64, i64 } %t241, ptr %t245
+  store i64 %t243, ptr %t221
+  br label %endif6558
+endif6558:
+  %t246 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t247 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t248 = load { ptr, i64, i64 }, ptr %t247
+  store { ptr, i64, i64 } { ptr @.str.4267, i64 1, i64 0 }, ptr %a250
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
+  %t252 = load { ptr, i64, i64 }, ptr %a249
+  %t253 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t252, 0
+  %t254 = load %S.ast.Type, ptr %a176
+  store %S.ast.Type %t254, ptr %a255
+  call void @finch.copy.S_ast_Type(ptr %a256, ptr %a255)
+  %t257 = load %S.ast.Type, ptr %a256
+  %t258 = insertvalue %S.gen.Place %t253, %S.ast.Type %t257, 1
+  %t259 = insertvalue %S.gen.Ref %t246, %S.gen.Place %t258, 1
+  call void @finch.drop.S_ast_Type(ptr %a176)
+  ret %S.gen.Ref %t259
+endif6544:
+  %t260 = load i64, ptr %a14
+  %t261 = icmp slt i64 %t260, 0
+  br i1 %t261, label %then6563, label %endif6565
+then6563:
+  %t262 = load ptr, ptr %a1
+  %t263 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  %t265 = call i1 @finch.gen.imports(ptr %t262, { ptr, i64, i64 } %t264)
+  br i1 %t265, label %then6566, label %endif6568
+then6566:
+  %t266 = load ptr, ptr %a1
+  %t267 = load %S.ast.Node, ptr %a2
   %t268 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t269 = load { ptr, i64, i64 }, ptr %t268
-  store { ptr, i64, i64 } %t267, ptr %a271
+  store { ptr, i64, i64 } { ptr @.str.4268, i64 1, i64 0 }, ptr %a271
   store { ptr, i64, i64 } %t269, ptr %a272
   call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
   %t273 = load { ptr, i64, i64 }, ptr %a270
   store { ptr, i64, i64 } %t273, ptr %a275
-  store { ptr, i64, i64 } { ptr @.str.4103, i64 10, i64 0 }, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.4269, i64 43, i64 0 }, ptr %a276
   call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
-  %t277 = load { ptr, i64, i64 }, ptr %a274
-  call void @finch.gen.fail(ptr %t256, %S.ast.Node %t257, { ptr, i64, i64 } %t277)
-  br label %endif6202
-endif6202:
-  %t278 = load ptr, ptr %a1
-  %t279 = load %S.ast.Node, ptr %a2
-  %t280 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } { ptr @.str.4104, i64 28, i64 0 }, ptr %a283
-  store { ptr, i64, i64 } %t281, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
+  store { ptr, i64, i64 } %t273, ptr %a277
+  call void @finch_str_drop(ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a274
+  %t279 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t280 = load { ptr, i64, i64 }, ptr %t279
+  store { ptr, i64, i64 } %t278, ptr %a282
+  store { ptr, i64, i64 } %t280, ptr %a283
+  call void @finch_str_concat(ptr %a281, ptr %a282, ptr %a283)
+  store { ptr, i64, i64 } %t278, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a281
   store { ptr, i64, i64 } %t285, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.4105, i64 1, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } { ptr @.str.4270, i64 10, i64 0 }, ptr %a288
   call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
-  %t289 = load { ptr, i64, i64 }, ptr %a286
-  call void @finch.gen.fail(ptr %t278, %S.ast.Node %t279, { ptr, i64, i64 } %t289)
-  br label %endif6199
-endif6199:
-  %t290 = load ptr, ptr %a1
-  %t291 = load i64, ptr %a14
-  %t292 = call %S.gen.Var @finch.gen.varAt(ptr %t290, i64 %t291)
-  store %S.gen.Var %t292, ptr %a293
-  %t294 = load ptr, ptr %a1
-  %t295 = load %S.ast.Node, ptr %a2
-  %t296 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t297 = load i64, ptr %t296
-  %t298 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t299 = getelementptr inbounds { ptr, i64, i64 }, ptr %t298, i32 0, i32 1
-  %t300 = load i64, ptr %t299
-  %t301 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 1
-  %t302 = load %S.ast.Type, ptr %t301
-  %t303 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t302)
-  store { ptr, i64, i64 } { ptr @.str.4106, i64 9, i64 0 }, ptr %a305
-  store { ptr, i64, i64 } %t303, ptr %a306
-  call void @finch_str_concat(ptr %a304, ptr %a305, ptr %a306)
-  %t307 = load { ptr, i64, i64 }, ptr %a304
-  store { ptr, i64, i64 } %t307, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.4107, i64 1, i64 0 }, ptr %a310
-  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
-  %t311 = load { ptr, i64, i64 }, ptr %a308
-  %t312 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t313 = load { ptr, i64, i64 }, ptr %t312
-  store { ptr, i64, i64 } %t311, ptr %a315
-  store { ptr, i64, i64 } %t313, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  store { ptr, i64, i64 } %t317, ptr %a319
-  store { ptr, i64, i64 } { ptr @.str.4108, i64 4, i64 0 }, ptr %a320
-  call void @finch_str_concat(ptr %a318, ptr %a319, ptr %a320)
-  %t321 = load { ptr, i64, i64 }, ptr %a318
-  %t322 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 5
-  %t323 = load { ptr, i64, i64 }, ptr %t322
-  %t324 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 6
-  %t325 = load i64, ptr %t324
-  %t326 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 7
-  %t327 = load i64, ptr %t326
-  call void @finch.gen.noteRef(ptr %t294, %S.ast.Node %t295, i64 %t297, i64 %t300, { ptr, i64, i64 } %t321, { ptr, i64, i64 } %t323, i64 %t325, i64 %t327)
-  %t328 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t329 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 2
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store { ptr, i64, i64 } %t330, ptr %a331
-  call void @finch_str_copy(ptr %a332, ptr %a331)
-  %t333 = load { ptr, i64, i64 }, ptr %a332
-  %t334 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t333, 0
-  %t335 = getelementptr inbounds %S.gen.Var, ptr %a293, i32 0, i32 1
-  %t336 = load %S.ast.Type, ptr %t335
-  store %S.ast.Type %t336, ptr %a337
-  call void @finch.copy.S_ast_Type(ptr %a338, ptr %a337)
-  %t339 = load %S.ast.Type, ptr %a338
-  %t340 = insertvalue %S.gen.Place %t334, %S.ast.Type %t339, 1
-  %t341 = insertvalue %S.gen.Ref %t328, %S.gen.Place %t340, 1
-  ret %S.gen.Ref %t341
-endif6120:
-  %t342 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
+  store { ptr, i64, i64 } %t285, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a286
+  call void @finch.gen.fail(ptr %t266, %S.ast.Node %t267, { ptr, i64, i64 } %t290)
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  br label %endif6568
+endif6568:
+  %t292 = load ptr, ptr %a1
+  %t293 = load %S.ast.Node, ptr %a2
+  %t294 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t295 = load { ptr, i64, i64 }, ptr %t294
+  store { ptr, i64, i64 } { ptr @.str.4271, i64 28, i64 0 }, ptr %a297
+  store { ptr, i64, i64 } %t295, ptr %a298
+  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
+  %t299 = load { ptr, i64, i64 }, ptr %a296
+  store { ptr, i64, i64 } %t299, ptr %a301
+  store { ptr, i64, i64 } { ptr @.str.4272, i64 1, i64 0 }, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t299, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  %t304 = load { ptr, i64, i64 }, ptr %a300
+  call void @finch.gen.fail(ptr %t292, %S.ast.Node %t293, { ptr, i64, i64 } %t304)
+  store { ptr, i64, i64 } %t304, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  br label %endif6565
+endif6565:
+  %t306 = load ptr, ptr %a1
+  %t307 = load i64, ptr %a14
+  %t308 = call %S.gen.Var @finch.gen.varAt(ptr %t306, i64 %t307)
+  store %S.gen.Var %t308, ptr %a309
+  %t310 = load ptr, ptr %a1
+  %t311 = load %S.ast.Node, ptr %a2
+  %t312 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t313 = load i64, ptr %t312
+  %t314 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t315 = getelementptr inbounds { ptr, i64, i64 }, ptr %t314, i32 0, i32 1
+  %t316 = load i64, ptr %t315
+  %t317 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 1
+  %t318 = load %S.ast.Type, ptr %t317
+  %t319 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t318)
+  store { ptr, i64, i64 } { ptr @.str.4273, i64 9, i64 0 }, ptr %a321
+  store { ptr, i64, i64 } %t319, ptr %a322
+  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+  store { ptr, i64, i64 } %t319, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a320
+  store { ptr, i64, i64 } %t324, ptr %a326
+  store { ptr, i64, i64 } { ptr @.str.4274, i64 1, i64 0 }, ptr %a327
+  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
+  store { ptr, i64, i64 } %t324, ptr %a328
+  call void @finch_str_drop(ptr %a328)
+  %t329 = load { ptr, i64, i64 }, ptr %a325
+  %t330 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t331 = load { ptr, i64, i64 }, ptr %t330
+  store { ptr, i64, i64 } %t329, ptr %a333
+  store { ptr, i64, i64 } %t331, ptr %a334
+  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
+  store { ptr, i64, i64 } %t329, ptr %a335
+  call void @finch_str_drop(ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a332
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.4275, i64 4, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  store { ptr, i64, i64 } %t336, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  %t341 = load { ptr, i64, i64 }, ptr %a337
+  %t342 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 7
   %t343 = load { ptr, i64, i64 }, ptr %t342
-  store { ptr, i64, i64 } %t343, ptr %a344
-  store { ptr, i64, i64 } { ptr @.str.4109, i64 6, i64 0 }, ptr %a345
-  %t346 = call i32 @finch_str_eq(ptr %a344, ptr %a345)
-  %t347 = icmp ne i32 %t346, 0
-  br i1 %t347, label %then6203, label %endif6205
-then6203:
-  %t348 = load ptr, ptr %a1
-  %t349 = load %S.ast.Node, ptr %a2
-  %t350 = load i1, ptr %a3
-  %t351 = call %S.gen.Ref @finch.gen.member(ptr %t348, %S.ast.Node %t349, i1 %t350)
-  ret %S.gen.Ref %t351
-endif6205:
-  %t352 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
-  %t353 = load { ptr, i64, i64 }, ptr %t352
-  store { ptr, i64, i64 } %t353, ptr %a354
-  store { ptr, i64, i64 } { ptr @.str.4110, i64 5, i64 0 }, ptr %a355
-  %t356 = call i32 @finch_str_eq(ptr %a354, ptr %a355)
-  %t357 = icmp ne i32 %t356, 0
-  br i1 %t357, label %then6206, label %endif6208
-then6206:
-  %t358 = load ptr, ptr %a1
-  %t359 = load %S.ast.Node, ptr %a2
-  %t360 = load i1, ptr %a3
-  %t361 = call %S.gen.Ref @finch.gen.index(ptr %t358, %S.ast.Node %t359, i1 %t360)
-  ret %S.gen.Ref %t361
-endif6208:
-  %t362 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t363 = load ptr, ptr %a1
-  %t364 = load %S.ast.Node, ptr %a2
-  %t365 = call %S.gen.Val @finch.gen.expr(ptr %t363, %S.ast.Node %t364)
-  %t366 = insertvalue %S.gen.Ref %t362, %S.gen.Val %t365, 2
-  ret %S.gen.Ref %t366
+  %t344 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 8
+  %t345 = load i64, ptr %t344
+  %t346 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 9
+  %t347 = load i64, ptr %t346
+  call void @finch.gen.noteRef(ptr %t310, %S.ast.Node %t311, i64 %t313, i64 %t316, { ptr, i64, i64 } %t341, { ptr, i64, i64 } %t343, i64 %t345, i64 %t347)
+  store { ptr, i64, i64 } %t341, ptr %a348
+  call void @finch_str_drop(ptr %a348)
+  %t349 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t350 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 2
+  %t351 = load { ptr, i64, i64 }, ptr %t350
+  store { ptr, i64, i64 } %t351, ptr %a352
+  call void @finch_str_copy(ptr %a353, ptr %a352)
+  %t354 = load { ptr, i64, i64 }, ptr %a353
+  %t355 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t354, 0
+  %t356 = getelementptr inbounds %S.gen.Var, ptr %a309, i32 0, i32 1
+  %t357 = load %S.ast.Type, ptr %t356
+  store %S.ast.Type %t357, ptr %a358
+  call void @finch.copy.S_ast_Type(ptr %a359, ptr %a358)
+  %t360 = load %S.ast.Type, ptr %a359
+  %t361 = insertvalue %S.gen.Place %t355, %S.ast.Type %t360, 1
+  %t362 = insertvalue %S.gen.Ref %t349, %S.gen.Place %t361, 1
+  call void @finch.drop.S_gen_Var(ptr %a309)
+  ret %S.gen.Ref %t362
+endif6486:
+  %t363 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
+  %t364 = load { ptr, i64, i64 }, ptr %t363
+  store { ptr, i64, i64 } %t364, ptr %a365
+  store { ptr, i64, i64 } { ptr @.str.4276, i64 6, i64 0 }, ptr %a366
+  %t367 = call i32 @finch_str_eq(ptr %a365, ptr %a366)
+  %t368 = icmp ne i32 %t367, 0
+  br i1 %t368, label %then6569, label %endif6571
+then6569:
+  %t369 = load ptr, ptr %a1
+  %t370 = load %S.ast.Node, ptr %a2
+  %t371 = load i1, ptr %a3
+  %t372 = call %S.gen.Ref @finch.gen.member(ptr %t369, %S.ast.Node %t370, i1 %t371)
+  ret %S.gen.Ref %t372
+endif6571:
+  %t373 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
+  %t374 = load { ptr, i64, i64 }, ptr %t373
+  store { ptr, i64, i64 } %t374, ptr %a375
+  store { ptr, i64, i64 } { ptr @.str.4277, i64 5, i64 0 }, ptr %a376
+  %t377 = call i32 @finch_str_eq(ptr %a375, ptr %a376)
+  %t378 = icmp ne i32 %t377, 0
+  br i1 %t378, label %then6572, label %endif6574
+then6572:
+  %t379 = load ptr, ptr %a1
+  %t380 = load %S.ast.Node, ptr %a2
+  %t381 = load i1, ptr %a3
+  %t382 = call %S.gen.Ref @finch.gen.index(ptr %t379, %S.ast.Node %t380, i1 %t381)
+  ret %S.gen.Ref %t382
+endif6574:
+  %t383 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t384 = load ptr, ptr %a1
+  %t385 = load %S.ast.Node, ptr %a2
+  %t386 = call %S.gen.Val @finch.gen.expr(ptr %t384, %S.ast.Node %t385)
+  %t387 = insertvalue %S.gen.Ref %t383, %S.gen.Val %t386, 2
+  ret %S.gen.Ref %t387
 }
 
 define internal { ptr, i64, i64 } @finch.gen.llFloat({ ptr, i64, i64 } %p0) {
@@ -55831,30 +65991,32 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i64, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca i64, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -55863,81 +66025,89 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4112, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.4279, i64 1, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_starts(ptr %a8, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then6209, label %endif6211
-then6209:
+  br i1 %t12, label %then6575, label %endif6577
+then6575:
   %t13 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4113, i64 1, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.4280, i64 1, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
   %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a6
-  br label %endif6211
-endif6211:
   %t18 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t17, ptr %a6
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.4115, i64 1, i64 0 }, ptr %a21
-  %t22 = call i64 @finch_str_find(ptr %a19, ptr %a21)
-  %t23 = icmp sge i64 %t22, 0
-  %t24 = xor i1 %t23, true
-  br i1 %t24, label %then6212, label %endif6214
-then6212:
-  %t25 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.4117, i64 1, i64 0 }, ptr %a28
-  %t29 = call i64 @finch_str_find(ptr %a26, ptr %a28)
-  store i64 %t29, ptr %a30
-  %t31 = load i64, ptr %a30
-  %t32 = icmp slt i64 %t31, 0
-  br i1 %t32, label %then6215, label %endif6217
-then6215:
-  %t33 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.4119, i64 1, i64 0 }, ptr %a36
-  %t37 = call i64 @finch_str_find(ptr %a34, ptr %a36)
-  store i64 %t37, ptr %a30
-  br label %endif6217
-endif6217:
-  %t38 = load i64, ptr %a30
-  %t39 = icmp slt i64 %t38, 0
-  br i1 %t39, label %then6218, label %endif6220
-then6218:
-  %t40 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t40, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.4120, i64 2, i64 0 }, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  ret { ptr, i64, i64 } %t44
-endif6220:
-  %t45 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t48 = load i64, ptr %a30
-  call void @finch_str_sub(ptr %a47, ptr %a46, i64 0, i64 %t48, ptr @.str.4121, i64 3369)
-  %t49 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t49, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.4122, i64 2, i64 0 }, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  %t54 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t54, ptr %a55
-  %t57 = load i64, ptr %a30
-  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t59 = load i64, ptr %t58
-  call void @finch_str_sub(ptr %a56, ptr %a55, i64 %t57, i64 %t59, ptr @.str.4123, i64 3369)
-  %t60 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t53, ptr %a62
-  store { ptr, i64, i64 } %t60, ptr %a63
-  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
-  %t64 = load { ptr, i64, i64 }, ptr %a61
-  ret { ptr, i64, i64 } %t64
-endif6214:
-  %t65 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  ret { ptr, i64, i64 } %t68
+  call void @finch_str_drop(ptr %a19)
+  br label %endif6577
+endif6577:
+  %t20 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t20, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4282, i64 1, i64 0 }, ptr %a23
+  %t24 = call i64 @finch_str_find(ptr %a21, ptr %a23)
+  %t25 = icmp sge i64 %t24, 0
+  %t26 = xor i1 %t25, true
+  br i1 %t26, label %then6578, label %endif6580
+then6578:
+  %t27 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t27, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.4284, i64 1, i64 0 }, ptr %a30
+  %t31 = call i64 @finch_str_find(ptr %a28, ptr %a30)
+  store i64 %t31, ptr %a32
+  %t33 = load i64, ptr %a32
+  %t34 = icmp slt i64 %t33, 0
+  br i1 %t34, label %then6581, label %endif6583
+then6581:
+  %t35 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.4286, i64 1, i64 0 }, ptr %a38
+  %t39 = call i64 @finch_str_find(ptr %a36, ptr %a38)
+  store i64 %t39, ptr %a32
+  br label %endif6583
+endif6583:
+  %t40 = load i64, ptr %a32
+  %t41 = icmp slt i64 %t40, 0
+  br i1 %t41, label %then6584, label %endif6586
+then6584:
+  %t42 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t42, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.4287, i64 2, i64 0 }, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a43
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t46
+endif6586:
+  %t47 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t47, ptr %a48
+  %t50 = load i64, ptr %a32
+  call void @finch_str_sub(ptr %a49, ptr %a48, i64 0, i64 %t50, ptr @.str.4288, i64 3638)
+  %t51 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t51, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.4289, i64 2, i64 0 }, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  %t57 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t57, ptr %a58
+  %t60 = load i64, ptr %a32
+  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t62 = load i64, ptr %t61
+  call void @finch_str_sub(ptr %a59, ptr %a58, i64 %t60, i64 %t62, ptr @.str.4290, i64 3638)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  store { ptr, i64, i64 } %t56, ptr %a65
+  store { ptr, i64, i64 } %t63, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t56, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a64
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t69
+endif6580:
+  %t70 = load { ptr, i64, i64 }, ptr %a6
+  ret { ptr, i64, i64 } %t70
 }
 
 define internal i64 @finch.gen.enumNamed(ptr %p0, %S.ast.Node %p1) {
@@ -55955,133 +66125,133 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4124, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4291, i64 3, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br label %logic.from6221
-logic.from6221:
-  br i1 %t8, label %logic.rhs6222, label %logic.end6223
-logic.rhs6222:
+  br label %logic.from6587
+logic.from6587:
+  br i1 %t8, label %logic.rhs6588, label %logic.end6589
+logic.rhs6588:
   %t9 = load ptr, ptr %a1
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t11 = load { ptr, i64, i64 }, ptr %t10
   %t12 = call i64 @finch.gen.lookup(ptr %t9, { ptr, i64, i64 } %t11)
   %t13 = icmp slt i64 %t12, 0
-  br label %logic.rend6224
-logic.rend6224:
-  br label %logic.end6223
-logic.end6223:
-  %t14 = phi i1 [ false, %logic.from6221 ], [ %t13, %logic.rend6224 ]
-  br i1 %t14, label %then6225, label %endif6227
-then6225:
+  br label %logic.rend6590
+logic.rend6590:
+  br label %logic.end6589
+logic.end6589:
+  %t14 = phi i1 [ false, %logic.from6587 ], [ %t13, %logic.rend6590 ]
+  br i1 %t14, label %then6591, label %endif6593
+then6591:
   %t15 = load ptr, ptr %a1
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic6228, label %ok6229
-panic6228:
-  call void @finch_panic(ptr @.str.4125, i64 3377, ptr @.str.4126)
+  br i1 %t17, label %panic6594, label %ok6595
+panic6594:
+  call void @finch_panic(ptr @.str.4292, i64 3646, ptr @.str.4293)
   unreachable
-ok6229:
-  %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 13
+ok6595:
+  %t18 = getelementptr inbounds %S.gen.Gen, ptr %t16, i32 0, i32 14
   %t19 = load { ptr, i64, i64 }, ptr %t18
   %t20 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t21 = load { ptr, i64, i64 }, ptr %t20
   %t22 = call i64 @finch.gen.findEnum(ptr %t15, { ptr, i64, i64 } %t19, { ptr, i64, i64 } %t21)
   ret i64 %t22
-endif6227:
+endif6593:
   %t23 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 0
   %t24 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.4127, i64 6, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.4294, i64 6, i64 0 }, ptr %a26
   %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
   %t28 = icmp ne i32 %t27, 0
-  br label %logic.from6230
-logic.from6230:
-  br i1 %t28, label %logic.rhs6231, label %logic.end6232
-logic.rhs6231:
+  br label %logic.from6596
+logic.from6596:
+  br i1 %t28, label %logic.rhs6597, label %logic.end6598
+logic.rhs6597:
   %t29 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t30 = load { ptr, i64, i64 }, ptr %t29
   %t31 = extractvalue { ptr, i64, i64 } %t30, 1
   %t32 = icmp uge i64 0, %t31
-  br i1 %t32, label %range6233, label %inrange6234
-range6233:
-  call void @finch_panic_index(ptr @.str.4128, i64 3379, i64 0, i64 %t31)
+  br i1 %t32, label %range6599, label %inrange6600
+range6599:
+  call void @finch_panic_index(ptr @.str.4295, i64 3648, i64 0, i64 %t31)
   unreachable
-inrange6234:
+inrange6600:
   %t33 = extractvalue { ptr, i64, i64 } %t30, 0
   %t34 = getelementptr inbounds %S.ast.Node, ptr %t33, i64 0
   %t35 = getelementptr inbounds %S.ast.Node, ptr %t34, i32 0, i32 0
   %t36 = load { ptr, i64, i64 }, ptr %t35
   store { ptr, i64, i64 } %t36, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.4129, i64 3, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4296, i64 3, i64 0 }, ptr %a38
   %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
   %t40 = icmp ne i32 %t39, 0
-  br label %logic.rend6235
-logic.rend6235:
-  br label %logic.end6232
-logic.end6232:
-  %t41 = phi i1 [ false, %logic.from6230 ], [ %t40, %logic.rend6235 ]
-  br label %logic.from6236
-logic.from6236:
-  br i1 %t41, label %logic.rhs6237, label %logic.end6238
-logic.rhs6237:
+  br label %logic.rend6601
+logic.rend6601:
+  br label %logic.end6598
+logic.end6598:
+  %t41 = phi i1 [ false, %logic.from6596 ], [ %t40, %logic.rend6601 ]
+  br label %logic.from6602
+logic.from6602:
+  br i1 %t41, label %logic.rhs6603, label %logic.end6604
+logic.rhs6603:
   %t42 = load ptr, ptr %a1
   %t43 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t44 = load { ptr, i64, i64 }, ptr %t43
   %t45 = extractvalue { ptr, i64, i64 } %t44, 1
   %t46 = icmp uge i64 0, %t45
-  br i1 %t46, label %range6239, label %inrange6240
-range6239:
-  call void @finch_panic_index(ptr @.str.4130, i64 3379, i64 0, i64 %t45)
+  br i1 %t46, label %range6605, label %inrange6606
+range6605:
+  call void @finch_panic_index(ptr @.str.4297, i64 3648, i64 0, i64 %t45)
   unreachable
-inrange6240:
+inrange6606:
   %t47 = extractvalue { ptr, i64, i64 } %t44, 0
   %t48 = getelementptr inbounds %S.ast.Node, ptr %t47, i64 0
   %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i32 0, i32 1
   %t50 = load { ptr, i64, i64 }, ptr %t49
   %t51 = call i64 @finch.gen.lookup(ptr %t42, { ptr, i64, i64 } %t50)
   %t52 = icmp slt i64 %t51, 0
-  br label %logic.rend6241
-logic.rend6241:
-  br label %logic.end6238
-logic.end6238:
-  %t53 = phi i1 [ false, %logic.from6236 ], [ %t52, %logic.rend6241 ]
-  br label %logic.from6242
-logic.from6242:
-  br i1 %t53, label %logic.rhs6243, label %logic.end6244
-logic.rhs6243:
+  br label %logic.rend6607
+logic.rend6607:
+  br label %logic.end6604
+logic.end6604:
+  %t53 = phi i1 [ false, %logic.from6602 ], [ %t52, %logic.rend6607 ]
+  br label %logic.from6608
+logic.from6608:
+  br i1 %t53, label %logic.rhs6609, label %logic.end6610
+logic.rhs6609:
   %t54 = load ptr, ptr %a1
   %t55 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t56 = load { ptr, i64, i64 }, ptr %t55
   %t57 = extractvalue { ptr, i64, i64 } %t56, 1
   %t58 = icmp uge i64 0, %t57
-  br i1 %t58, label %range6245, label %inrange6246
-range6245:
-  call void @finch_panic_index(ptr @.str.4131, i64 3379, i64 0, i64 %t57)
+  br i1 %t58, label %range6611, label %inrange6612
+range6611:
+  call void @finch_panic_index(ptr @.str.4298, i64 3648, i64 0, i64 %t57)
   unreachable
-inrange6246:
+inrange6612:
   %t59 = extractvalue { ptr, i64, i64 } %t56, 0
   %t60 = getelementptr inbounds %S.ast.Node, ptr %t59, i64 0
   %t61 = getelementptr inbounds %S.ast.Node, ptr %t60, i32 0, i32 1
   %t62 = load { ptr, i64, i64 }, ptr %t61
   %t63 = call i1 @finch.gen.imports(ptr %t54, { ptr, i64, i64 } %t62)
-  br label %logic.rend6247
-logic.rend6247:
-  br label %logic.end6244
-logic.end6244:
-  %t64 = phi i1 [ false, %logic.from6242 ], [ %t63, %logic.rend6247 ]
-  br i1 %t64, label %then6248, label %endif6250
-then6248:
+  br label %logic.rend6613
+logic.rend6613:
+  br label %logic.end6610
+logic.end6610:
+  %t64 = phi i1 [ false, %logic.from6608 ], [ %t63, %logic.rend6613 ]
+  br i1 %t64, label %then6614, label %endif6616
+then6614:
   %t65 = load ptr, ptr %a1
   %t66 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t67 = load { ptr, i64, i64 }, ptr %t66
   %t68 = extractvalue { ptr, i64, i64 } %t67, 1
   %t69 = icmp uge i64 0, %t68
-  br i1 %t69, label %range6251, label %inrange6252
-range6251:
-  call void @finch_panic_index(ptr @.str.4132, i64 3380, i64 0, i64 %t68)
+  br i1 %t69, label %range6617, label %inrange6618
+range6617:
+  call void @finch_panic_index(ptr @.str.4299, i64 3649, i64 0, i64 %t68)
   unreachable
-inrange6252:
+inrange6618:
   %t70 = extractvalue { ptr, i64, i64 } %t67, 0
   %t71 = getelementptr inbounds %S.ast.Node, ptr %t70, i64 0
   %t72 = getelementptr inbounds %S.ast.Node, ptr %t71, i32 0, i32 1
@@ -56090,7 +66260,7 @@ inrange6252:
   %t75 = load { ptr, i64, i64 }, ptr %t74
   %t76 = call i64 @finch.gen.findEnum(ptr %t65, { ptr, i64, i64 } %t73, { ptr, i64, i64 } %t75)
   ret i64 %t76
-endif6250:
+endif6616:
   ret i64 -1
 }
 
@@ -56113,64 +66283,78 @@ entry:
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic6253, label %ok6254
-panic6253:
-  call void @finch_panic(ptr @.str.4133, i64 3387, ptr @.str.4134)
+  br i1 %t5, label %panic6619, label %ok6620
+panic6619:
+  call void @finch_panic(ptr @.str.4300, i64 3656, ptr @.str.4301)
   unreachable
-ok6254:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 20
+ok6620:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 21
   %t7 = load i64, ptr %a3
   %t8 = load { ptr, i64, i64 }, ptr %t6
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range6255, label %inrange6256
-range6255:
-  call void @finch_panic_index(ptr @.str.4135, i64 3387, i64 %t7, i64 %t9)
+  br i1 %t10, label %range6621, label %inrange6622
+range6621:
+  call void @finch_panic_index(ptr @.str.4302, i64 3656, i64 %t7, i64 %t9)
   unreachable
-inrange6256:
+inrange6622:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.EnumDef, ptr %t11, i64 %t7
   %t13 = load %S.gen.EnumDef, ptr %t12
@@ -56186,154 +66370,183 @@ inrange6256:
   %t23 = load i64, ptr %t19
   %t24 = load ptr, ptr %t18
   store i64 0, ptr %a25
-  br label %find.cond6257
-find.cond6257:
+  br label %find.cond6623
+find.cond6623:
   %t26 = load i64, ptr %a25
   %t27 = icmp slt i64 %t26, %t23
-  br i1 %t27, label %find.body6258, label %find.end6261
-find.body6258:
+  br i1 %t27, label %find.body6624, label %find.end6627
+find.body6624:
   %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t24, i64 %t26
   %t29 = load { ptr, i64, i64 }, ptr %t28
   store { ptr, i64, i64 } %t29, ptr %a30
   store { ptr, i64, i64 } %t21, ptr %a31
   %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
   %t33 = icmp ne i32 %t32, 0
-  br i1 %t33, label %find.hit6259, label %find.next6260
-find.hit6259:
+  br i1 %t33, label %find.hit6625, label %find.next6626
+find.hit6625:
   store i64 %t26, ptr %a22
-  br label %find.end6261
-find.next6260:
+  br label %find.end6627
+find.next6626:
   %t34 = add i64 %t26, 1
   store i64 %t34, ptr %a25
-  br label %find.cond6257
-find.end6261:
+  br label %find.cond6623
+find.end6627:
   %t35 = load i64, ptr %a22
   store i64 %t35, ptr %a36
   %t37 = load i64, ptr %a36
   %t38 = icmp slt i64 %t37, 0
-  br i1 %t38, label %then6262, label %endif6264
-then6262:
+  br i1 %t38, label %then6628, label %endif6630
+then6628:
   %t39 = load ptr, ptr %a1
   %t40 = load %S.ast.Node, ptr %a2
   %t41 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
   %t42 = load { ptr, i64, i64 }, ptr %t41
-  store { ptr, i64, i64 } { ptr @.str.4136, i64 9, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.4303, i64 9, i64 0 }, ptr %a44
   store { ptr, i64, i64 } %t42, ptr %a45
   call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
   %t46 = load { ptr, i64, i64 }, ptr %a43
   store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.4137, i64 17, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.4304, i64 17, i64 0 }, ptr %a49
   call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t50, ptr %a54
-  store { ptr, i64, i64 } %t52, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t56, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.4138, i64 11, i64 0 }, ptr %a59
-  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
-  %t60 = load { ptr, i64, i64 }, ptr %a57
-  %t61 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 2
-  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4139, i64 2, i64 0 }, ptr %a63
-  call void @finch_str_join(ptr %a64, ptr %t61, ptr %a63)
-  %t65 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t60, ptr %a67
-  store { ptr, i64, i64 } %t65, ptr %a68
-  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t69, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.4140, i64 1, i64 0 }, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } %t73)
-  br label %endif6264
-endif6264:
-  %t74 = load ptr, ptr %a1
-  %t75 = load %S.ast.Node, ptr %a2
-  %t76 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t77 = load i64, ptr %t76
-  %t78 = add i64 %t77, 1
-  %t79 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %t79, i32 0, i32 1
-  %t81 = load i64, ptr %t80
-  %t82 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t83 = load { ptr, i64, i64 }, ptr %t82
-  store { ptr, i64, i64 } { ptr @.str.4141, i64 9, i64 0 }, ptr %a85
-  store { ptr, i64, i64 } %t83, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t87, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.4142, i64 1, i64 0 }, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  %t92 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store { ptr, i64, i64 } %t91, ptr %a95
-  store { ptr, i64, i64 } %t93, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } %t97, ptr %a99
-  store { ptr, i64, i64 } { ptr @.str.4143, i64 3, i64 0 }, ptr %a100
-  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
-  %t101 = load { ptr, i64, i64 }, ptr %a98
-  %t102 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t103 = load i64, ptr %a36
-  %t104 = load { ptr, i64, i64 }, ptr %t102
-  %t105 = extractvalue { ptr, i64, i64 } %t104, 1
-  %t106 = icmp uge i64 %t103, %t105
-  br i1 %t106, label %range6265, label %inrange6266
-range6265:
-  call void @finch_panic_index(ptr @.str.4144, i64 3392, i64 %t103, i64 %t105)
+  store { ptr, i64, i64 } %t46, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
+  %t52 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t53 = load { ptr, i64, i64 }, ptr %t52
+  store { ptr, i64, i64 } %t51, ptr %a55
+  store { ptr, i64, i64 } %t53, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t51, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t58, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.4305, i64 11, i64 0 }, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  %t64 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 2
+  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4306, i64 2, i64 0 }, ptr %a66
+  call void @finch_str_join(ptr %a67, ptr %t64, ptr %a66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t63, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t63, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t68, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t74, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.4307, i64 1, i64 0 }, ptr %a77
+  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
+  store { ptr, i64, i64 } %t74, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } %t79)
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif6630
+endif6630:
+  %t81 = load ptr, ptr %a1
+  %t82 = load %S.ast.Node, ptr %a2
+  %t83 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t84 = load i64, ptr %t83
+  %t85 = add i64 %t84, 1
+  %t86 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
+  %t88 = load i64, ptr %t87
+  %t89 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t90 = load { ptr, i64, i64 }, ptr %t89
+  store { ptr, i64, i64 } { ptr @.str.4308, i64 9, i64 0 }, ptr %a92
+  store { ptr, i64, i64 } %t90, ptr %a93
+  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a91
+  store { ptr, i64, i64 } %t94, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.4309, i64 1, i64 0 }, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t94, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  %t99 = load { ptr, i64, i64 }, ptr %a95
+  %t100 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } %t99, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t99, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.4310, i64 3, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t113 = load i64, ptr %a36
+  %t114 = load { ptr, i64, i64 }, ptr %t112
+  %t115 = extractvalue { ptr, i64, i64 } %t114, 1
+  %t116 = icmp uge i64 %t113, %t115
+  br i1 %t116, label %range6631, label %inrange6632
+range6631:
+  call void @finch_panic_index(ptr @.str.4311, i64 3661, i64 %t113, i64 %t115)
   unreachable
-inrange6266:
-  %t107 = extractvalue { ptr, i64, i64 } %t104, 0
-  %t108 = getelementptr inbounds i64, ptr %t107, i64 %t103
-  %t109 = load i64, ptr %t108
-  call void @finch_str_from_int(ptr %a110, i64 %t109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t101, ptr %a113
-  store { ptr, i64, i64 } %t111, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.4145, i64 4, i64 0 }, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  call void @finch.gen.noteRef(ptr %t74, %S.ast.Node %t75, i64 %t78, i64 %t81, { ptr, i64, i64 } %t119, { ptr, i64, i64 } { ptr @.str.4146, i64 0, i64 0 }, i64 0, i64 0)
-  %t120 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t121 = load i64, ptr %a36
-  %t122 = load { ptr, i64, i64 }, ptr %t120
-  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
-  %t124 = icmp uge i64 %t121, %t123
-  br i1 %t124, label %range6267, label %inrange6268
-range6267:
-  call void @finch_panic_index(ptr @.str.4147, i64 3393, i64 %t121, i64 %t123)
+inrange6632:
+  %t117 = extractvalue { ptr, i64, i64 } %t114, 0
+  %t118 = getelementptr inbounds i64, ptr %t117, i64 %t113
+  %t119 = load i64, ptr %t118
+  call void @finch_str_from_int(ptr %a120, i64 %t119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t111, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t111, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  store { ptr, i64, i64 } %t121, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t127, ptr %a129
+  store { ptr, i64, i64 } { ptr @.str.4312, i64 4, i64 0 }, ptr %a130
+  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
+  store { ptr, i64, i64 } %t127, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a128
+  call void @finch.gen.noteRef(ptr %t81, %S.ast.Node %t82, i64 %t85, i64 %t88, { ptr, i64, i64 } %t132, { ptr, i64, i64 } { ptr @.str.4313, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t132, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t135 = load i64, ptr %a36
+  %t136 = load { ptr, i64, i64 }, ptr %t134
+  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
+  %t138 = icmp uge i64 %t135, %t137
+  br i1 %t138, label %range6633, label %inrange6634
+range6633:
+  call void @finch_panic_index(ptr @.str.4314, i64 3662, i64 %t135, i64 %t137)
   unreachable
-inrange6268:
-  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
-  %t126 = getelementptr inbounds i64, ptr %t125, i64 %t121
-  %t127 = load i64, ptr %t126
-  call void @finch_str_from_int(ptr %a128, i64 %t127)
-  %t129 = load { ptr, i64, i64 }, ptr %a128
-  %t130 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t129, 0
-  %t131 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4148, i64 4, i64 0 }, 0
-  %t132 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t133 = load { ptr, i64, i64 }, ptr %t132
-  store { ptr, i64, i64 } %t133, ptr %a134
-  call void @finch_str_copy(ptr %a135, ptr %a134)
-  %t136 = load { ptr, i64, i64 }, ptr %a135
-  %t137 = insertvalue %S.ast.Type %t131, { ptr, i64, i64 } %t136, 2
-  %t138 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
-  %t139 = load { ptr, i64, i64 }, ptr %t138
-  store { ptr, i64, i64 } %t139, ptr %a140
-  call void @finch_str_copy(ptr %a141, ptr %a140)
-  %t142 = load { ptr, i64, i64 }, ptr %a141
-  %t143 = insertvalue %S.ast.Type %t137, { ptr, i64, i64 } %t142, 3
-  %t144 = insertvalue %S.gen.Val %t130, %S.ast.Type %t143, 1
-  ret %S.gen.Val %t144
+inrange6634:
+  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
+  %t140 = getelementptr inbounds i64, ptr %t139, i64 %t135
+  %t141 = load i64, ptr %t140
+  call void @finch_str_from_int(ptr %a142, i64 %t141)
+  %t143 = load { ptr, i64, i64 }, ptr %a142
+  %t144 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t143, 0
+  %t145 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4315, i64 4, i64 0 }, 0
+  %t146 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t147 = load { ptr, i64, i64 }, ptr %t146
+  store { ptr, i64, i64 } %t147, ptr %a148
+  call void @finch_str_copy(ptr %a149, ptr %a148)
+  %t150 = load { ptr, i64, i64 }, ptr %a149
+  %t151 = insertvalue %S.ast.Type %t145, { ptr, i64, i64 } %t150, 2
+  %t152 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
+  %t153 = load { ptr, i64, i64 }, ptr %t152
+  store { ptr, i64, i64 } %t153, ptr %a154
+  call void @finch_str_copy(ptr %a155, ptr %a154)
+  %t156 = load { ptr, i64, i64 }, ptr %a155
+  %t157 = insertvalue %S.ast.Type %t151, { ptr, i64, i64 } %t156, 3
+  %t158 = insertvalue %S.gen.Val %t144, %S.ast.Type %t157, 1
+  call void @finch.drop.S_gen_EnumDef(ptr %a17)
+  ret %S.gen.Val %t158
 }
 
 define internal %S.gen.Ref @finch.gen.member(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -56348,234 +66561,302 @@ entry:
   %a42 = alloca %S.ast.Type, align 16
   %a48 = alloca %S.ast.Type, align 16
   %a49 = alloca %S.ast.Type, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca %S.ast.Type, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca %S.ast.Type, align 16
-  %a108 = alloca %S.ast.Type, align 16
-  %a110 = alloca %S.ast.Type, align 16
-  %a111 = alloca i1, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca i64, align 16
-  %a137 = alloca i64, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca %S.ast.Type, align 16
+  %a117 = alloca %S.ast.Type, align 16
+  %a119 = alloca %S.ast.Type, align 16
+  %a120 = alloca i1, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca i64, align 16
+  %a146 = alloca i64, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca %S.ast.Type, align 16
-  %a166 = alloca %S.ast.Type, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca %S.ast.Type, align 16
+  %a175 = alloca %S.ast.Type, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca %S.ast.Type, align 16
-  %a196 = alloca %S.ast.Type, align 16
-  %a201 = alloca %S.ast.Type, align 16
-  %a202 = alloca %S.ast.Type, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca %S.ast.Type, align 16
+  %a208 = alloca %S.ast.Type, align 16
+  %a213 = alloca %S.gen.Ref, align 16
+  %a215 = alloca %S.ast.Type, align 16
+  %a216 = alloca %S.ast.Type, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
   %a358 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca %S.ast.Type, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a406 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a410 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
   %a424 = alloca { ptr, i64, i64 }, align 16
   %a425 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
   %a434 = alloca { ptr, i64, i64 }, align 16
-  %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
   %a438 = alloca { ptr, i64, i64 }, align 16
   %a439 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
   %a458 = alloca { ptr, i64, i64 }, align 16
   %a459 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a462 = alloca { ptr, i64, i64 }, align 16
-  %a463 = alloca { ptr, i64, i64 }, align 16
-  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
   %a469 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
   %a472 = alloca { ptr, i64, i64 }, align 16
-  %a473 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
   %a491 = alloca { ptr, i64, i64 }, align 16
   %a492 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
-  %a498 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a501 = alloca { ptr, i64, i64 }, align 16
   %a502 = alloca { ptr, i64, i64 }, align 16
   %a503 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca %S.gen.StructDef, align 16
-  %a521 = alloca %S.gen.StructDef, align 16
-  %a523 = alloca %S.gen.StructDef, align 16
-  %a528 = alloca i64, align 16
-  %a531 = alloca i64, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a520 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a530 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca i64, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
   %a550 = alloca { ptr, i64, i64 }, align 16
   %a551 = alloca { ptr, i64, i64 }, align 16
-  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a559 = alloca { ptr, i64, i64 }, align 16
-  %a560 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a563 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
-  %a570 = alloca { ptr, i64, i64 }, align 16
-  %a572 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a574 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca %S.ast.Type, align 16
-  %a589 = alloca %S.ast.Type, align 16
-  %a591 = alloca %S.ast.Type, align 16
+  %a570 = alloca %S.gen.StructDef, align 16
+  %a571 = alloca %S.gen.StructDef, align 16
+  %a573 = alloca %S.gen.StructDef, align 16
+  %a578 = alloca i64, align 16
+  %a581 = alloca i64, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca i64, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
   %a602 = alloca { ptr, i64, i64 }, align 16
-  %a603 = alloca { ptr, i64, i64 }, align 16
   %a604 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
   %a606 = alloca { ptr, i64, i64 }, align 16
   %a607 = alloca { ptr, i64, i64 }, align 16
-  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
   %a612 = alloca { ptr, i64, i64 }, align 16
   %a613 = alloca { ptr, i64, i64 }, align 16
   %a614 = alloca { ptr, i64, i64 }, align 16
   %a616 = alloca { ptr, i64, i64 }, align 16
   %a617 = alloca { ptr, i64, i64 }, align 16
   %a618 = alloca { ptr, i64, i64 }, align 16
+  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
   %a626 = alloca { ptr, i64, i64 }, align 16
   %a627 = alloca { ptr, i64, i64 }, align 16
   %a628 = alloca { ptr, i64, i64 }, align 16
+  %a629 = alloca { ptr, i64, i64 }, align 16
   %a630 = alloca { ptr, i64, i64 }, align 16
-  %a631 = alloca { ptr, i64, i64 }, align 16
   %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
   %a637 = alloca { ptr, i64, i64 }, align 16
-  %a638 = alloca { ptr, i64, i64 }, align 16
-  %a639 = alloca { ptr, i64, i64 }, align 16
-  %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a643 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a655 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca %S.ast.Type, align 16
+  %a647 = alloca %S.ast.Type, align 16
+  %a649 = alloca %S.ast.Type, align 16
   %a660 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a662 = alloca { ptr, i64, i64 }, align 16
   %a663 = alloca { ptr, i64, i64 }, align 16
-  %a664 = alloca { ptr, i64, i64 }, align 16
-  %a668 = alloca %S.ast.Type, align 16
-  %a669 = alloca %S.ast.Type, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
   %a677 = alloca { ptr, i64, i64 }, align 16
   %a678 = alloca { ptr, i64, i64 }, align 16
   %a679 = alloca { ptr, i64, i64 }, align 16
-  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
   %a682 = alloca { ptr, i64, i64 }, align 16
-  %a683 = alloca { ptr, i64, i64 }, align 16
-  %a688 = alloca { ptr, i64, i64 }, align 16
   %a689 = alloca { ptr, i64, i64 }, align 16
   %a690 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
   %a692 = alloca { ptr, i64, i64 }, align 16
-  %a693 = alloca { ptr, i64, i64 }, align 16
   %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca { ptr, i64, i64 }, align 16
+  %a697 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a703 = alloca { ptr, i64, i64 }, align 16
   %a704 = alloca { ptr, i64, i64 }, align 16
-  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
   %a707 = alloca { ptr, i64, i64 }, align 16
   %a708 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a714 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca %S.ast.Type, align 16
-  %a719 = alloca %S.ast.Type, align 16
-  %a722 = alloca %S.gen.Val, align 16
-  %a736 = alloca %S.ast.Type, align 16
-  %a737 = alloca %S.ast.Type, align 16
-  %a743 = alloca %S.gen.Val, align 16
-  %a744 = alloca %S.gen.Val, align 16
+  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a733 = alloca { ptr, i64, i64 }, align 16
+  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca %S.ast.Type, align 16
+  %a739 = alloca %S.ast.Type, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a763 = alloca { ptr, i64, i64 }, align 16
+  %a765 = alloca { ptr, i64, i64 }, align 16
+  %a766 = alloca { ptr, i64, i64 }, align 16
+  %a767 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a778 = alloca { ptr, i64, i64 }, align 16
+  %a780 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a788 = alloca { ptr, i64, i64 }, align 16
+  %a790 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca %S.ast.Type, align 16
+  %a796 = alloca %S.ast.Type, align 16
+  %a799 = alloca %S.gen.Val, align 16
+  %a813 = alloca %S.ast.Type, align 16
+  %a814 = alloca %S.ast.Type, align 16
+  %a819 = alloca %S.gen.Val, align 16
+  %a825 = alloca %S.gen.Val, align 16
+  %a826 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -56584,11 +66865,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range6269, label %inrange6270
-range6269:
-  call void @finch_panic_index(ptr @.str.4149, i64 3397, i64 0, i64 %t7)
+  br i1 %t8, label %range6635, label %inrange6636
+range6635:
+  call void @finch_panic_index(ptr @.str.4316, i64 3666, i64 0, i64 %t7)
   unreachable
-inrange6270:
+inrange6636:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
@@ -56596,16 +66877,16 @@ inrange6270:
   store i64 %t12, ptr %a13
   %t14 = load i64, ptr %a13
   %t15 = icmp sge i64 %t14, 0
-  br i1 %t15, label %then6271, label %endif6273
-then6271:
+  br i1 %t15, label %then6637, label %endif6639
+then6637:
   %t16 = load i1, ptr %a3
-  br i1 %t16, label %then6274, label %endif6276
-then6274:
+  br i1 %t16, label %then6640, label %endif6642
+then6640:
   %t17 = load ptr, ptr %a1
   %t18 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t17, %S.ast.Node %t18, { ptr, i64, i64 } { ptr @.str.4150, i64 37, i64 0 })
-  br label %endif6276
-endif6276:
+  call void @finch.gen.fail(ptr %t17, %S.ast.Node %t18, { ptr, i64, i64 } { ptr @.str.4317, i64 37, i64 0 })
+  br label %endif6642
+endif6642:
   %t19 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
   %t20 = load ptr, ptr %a1
   %t21 = load %S.ast.Node, ptr %a2
@@ -56613,17 +66894,17 @@ endif6276:
   %t23 = call %S.gen.Val @finch.gen.enumValue(ptr %t20, %S.ast.Node %t21, i64 %t22)
   %t24 = insertvalue %S.gen.Ref %t19, %S.gen.Val %t23, 2
   ret %S.gen.Ref %t24
-endif6273:
+endif6639:
   %t25 = load ptr, ptr %a1
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t27 = load { ptr, i64, i64 }, ptr %t26
   %t28 = extractvalue { ptr, i64, i64 } %t27, 1
   %t29 = icmp uge i64 0, %t28
-  br i1 %t29, label %range6277, label %inrange6278
-range6277:
-  call void @finch_panic_index(ptr @.str.4151, i64 3404, i64 0, i64 %t28)
+  br i1 %t29, label %range6643, label %inrange6644
+range6643:
+  call void @finch_panic_index(ptr @.str.4318, i64 3673, i64 0, i64 %t28)
   unreachable
-inrange6278:
+inrange6644:
   %t30 = extractvalue { ptr, i64, i64 } %t27, 0
   %t31 = getelementptr inbounds %S.ast.Node, ptr %t30, i64 0
   %t32 = load %S.ast.Node, ptr %t31
@@ -56639,966 +66920,1148 @@ inrange6278:
   store %S.ast.Type %t41, ptr %a42
   %t43 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
   %t44 = load i1, ptr %t43
-  br i1 %t44, label %then6279, label %endif6281
-then6279:
+  br i1 %t44, label %then6645, label %endif6647
+then6645:
   %t45 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
   %t46 = getelementptr inbounds %S.gen.Place, ptr %t45, i32 0, i32 1
   %t47 = load %S.ast.Type, ptr %t46
   store %S.ast.Type %t47, ptr %a48
   call void @finch.copy.S_ast_Type(ptr %a49, ptr %a48)
   %t50 = load %S.ast.Type, ptr %a49
+  %t51 = load %S.ast.Type, ptr %a42
   store %S.ast.Type %t50, ptr %a42
-  br label %endif6281
-endif6281:
-  %t51 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.4152, i64 3, i64 0 }, ptr %a54
-  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
-  %t56 = icmp ne i32 %t55, 0
-  br i1 %t56, label %then6282, label %endif6284
-then6282:
-  %t57 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t58 = getelementptr inbounds %S.gen.Val, ptr %t57, i32 0, i32 0
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  store { ptr, i64, i64 } %t59, ptr %a60
-  call void @finch_str_copy(ptr %a61, ptr %a60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t65 = load i1, ptr %t64
-  br i1 %t65, label %then6285, label %endif6287
-then6285:
-  %t66 = load ptr, ptr %a1
-  %t67 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t68 = getelementptr inbounds %S.gen.Place, ptr %t67, i32 0, i32 0
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  %t70 = call { ptr, i64, i64 } @finch.gen.load(ptr %t66, { ptr, i64, i64 } { ptr @.str.4153, i64 3, i64 0 }, { ptr, i64, i64 } %t69)
-  store { ptr, i64, i64 } %t70, ptr %a63
-  br label %endif6287
-endif6287:
-  %t71 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i32 0, i32 1
-  %t73 = load i64, ptr %t72
-  %t74 = icmp eq i64 %t73, 0
-  br i1 %t74, label %then6288, label %endif6290
-then6288:
-  %t75 = load ptr, ptr %a1
-  %t76 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t75, %S.ast.Node %t76, { ptr, i64, i64 } { ptr @.str.4154, i64 57, i64 0 })
-  br label %endif6290
-endif6290:
-  %t77 = load ptr, ptr %a1
-  %t78 = load ptr, ptr %a1
-  %t79 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.4155, i64 12, i64 0 }, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.4156, i64 6, i64 0 }, ptr %a86
+  store %S.ast.Type %t51, ptr %a52
+  call void @finch.drop.S_ast_Type(ptr %a52)
+  br label %endif6647
+endif6647:
+  %t53 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  store { ptr, i64, i64 } %t54, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.4319, i64 3, i64 0 }, ptr %a56
+  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
+  %t58 = icmp ne i32 %t57, 0
+  br i1 %t58, label %then6648, label %endif6650
+then6648:
+  %t59 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t60 = getelementptr inbounds %S.gen.Val, ptr %t59, i32 0, i32 0
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  store { ptr, i64, i64 } %t61, ptr %a62
+  call void @finch_str_copy(ptr %a63, ptr %a62)
+  %t64 = load { ptr, i64, i64 }, ptr %a63
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t67 = load i1, ptr %t66
+  br i1 %t67, label %then6651, label %endif6653
+then6651:
+  %t68 = load ptr, ptr %a1
+  %t69 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t70 = getelementptr inbounds %S.gen.Place, ptr %t69, i32 0, i32 0
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.4320, i64 3, i64 0 }, { ptr, i64, i64 } %t71)
+  %t73 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t72, ptr %a65
+  store { ptr, i64, i64 } %t73, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  br label %endif6653
+endif6653:
+  %t75 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i32 0, i32 1
+  %t77 = load i64, ptr %t76
+  %t78 = icmp eq i64 %t77, 0
+  br i1 %t78, label %then6654, label %endif6656
+then6654:
+  %t79 = load ptr, ptr %a1
+  %t80 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t79, %S.ast.Node %t80, { ptr, i64, i64 } { ptr @.str.4321, i64 57, i64 0 })
+  br label %endif6656
+endif6656:
+  %t81 = load ptr, ptr %a1
+  %t82 = load ptr, ptr %a1
+  %t83 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.4322, i64 12, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
   call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
   %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = call { ptr, i64, i64 } @finch.gen.op(ptr %t78, { ptr, i64, i64 } %t87)
-  %t89 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t90 = load { ptr, i64, i64 }, ptr %t89
-  store { ptr, i64, i64 } { ptr @.str.4157, i64 6, i64 0 }, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t94, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.4158, i64 18, i64 0 }, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  %t99 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t77, { ptr, i64, i64 } %t88, { ptr, i64, i64 } %t98, %S.ast.Node %t99)
-  %t100 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  %t102 = extractvalue { ptr, i64, i64 } %t101, 1
-  %t103 = icmp uge i64 0, %t102
-  br i1 %t103, label %range6291, label %inrange6292
-range6291:
-  call void @finch_panic_index(ptr @.str.4159, i64 3418, i64 0, i64 %t102)
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.4323, i64 6, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t87, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  %t93 = call { ptr, i64, i64 } @finch.gen.op(ptr %t82, { ptr, i64, i64 } %t92)
+  store { ptr, i64, i64 } %t92, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t96 = load { ptr, i64, i64 }, ptr %t95
+  store { ptr, i64, i64 } { ptr @.str.4324, i64 6, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.4325, i64 18, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  %t106 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t81, { ptr, i64, i64 } %t93, { ptr, i64, i64 } %t105, %S.ast.Node %t106)
+  store { ptr, i64, i64 } %t93, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  store { ptr, i64, i64 } %t105, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 0, %t111
+  br i1 %t112, label %range6657, label %inrange6658
+range6657:
+  call void @finch_panic_index(ptr @.str.4326, i64 3687, i64 0, i64 %t111)
   unreachable
-inrange6292:
-  %t104 = extractvalue { ptr, i64, i64 } %t101, 0
-  %t105 = getelementptr inbounds %S.ast.Type, ptr %t104, i64 0
-  %t106 = load %S.ast.Type, ptr %t105
-  store %S.ast.Type %t106, ptr %a107
-  call void @finch.copy.S_ast_Type(ptr %a108, ptr %a107)
-  %t109 = load %S.ast.Type, ptr %a108
-  store %S.ast.Type %t109, ptr %a110
-  store i1 false, ptr %a111
-  %t112 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 0
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } %t113, ptr %a114
-  store { ptr, i64, i64 } { ptr @.str.4160, i64 6, i64 0 }, ptr %a115
-  %t116 = call i32 @finch_str_eq(ptr %a114, ptr %a115)
-  %t117 = icmp ne i32 %t116, 0
-  br i1 %t117, label %then6293, label %endif6295
-then6293:
-  %t118 = load ptr, ptr %a1
-  %t119 = icmp eq ptr %t118, null
-  br i1 %t119, label %panic6296, label %ok6297
-panic6296:
-  call void @finch_panic(ptr @.str.4161, i64 3421, ptr @.str.4162)
+inrange6658:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds %S.ast.Type, ptr %t113, i64 0
+  %t115 = load %S.ast.Type, ptr %t114
+  store %S.ast.Type %t115, ptr %a116
+  call void @finch.copy.S_ast_Type(ptr %a117, ptr %a116)
+  %t118 = load %S.ast.Type, ptr %a117
+  store %S.ast.Type %t118, ptr %a119
+  store i1 false, ptr %a120
+  %t121 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 0
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t122, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.4327, i64 6, i64 0 }, ptr %a124
+  %t125 = call i32 @finch_str_eq(ptr %a123, ptr %a124)
+  %t126 = icmp ne i32 %t125, 0
+  br i1 %t126, label %then6659, label %endif6661
+then6659:
+  %t127 = load ptr, ptr %a1
+  %t128 = icmp eq ptr %t127, null
+  br i1 %t128, label %panic6662, label %ok6663
+panic6662:
+  call void @finch_panic(ptr @.str.4328, i64 3690, ptr @.str.4329)
   unreachable
-ok6297:
-  %t120 = getelementptr inbounds %S.gen.Gen, ptr %t118, i32 0, i32 15
-  %t121 = load ptr, ptr %a1
-  %t122 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 3
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  %t124 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 2
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  %t126 = call i64 @finch.gen.findStruct(ptr %t121, { ptr, i64, i64 } %t123, { ptr, i64, i64 } %t125)
-  %t127 = load { ptr, i64, i64 }, ptr %t120
-  %t128 = extractvalue { ptr, i64, i64 } %t127, 1
-  %t129 = icmp uge i64 %t126, %t128
-  br i1 %t129, label %range6298, label %inrange6299
-range6298:
-  call void @finch_panic_index(ptr @.str.4163, i64 3421, i64 %t126, i64 %t128)
+ok6663:
+  %t129 = getelementptr inbounds %S.gen.Gen, ptr %t127, i32 0, i32 16
+  %t130 = load ptr, ptr %a1
+  %t131 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 3
+  %t132 = load { ptr, i64, i64 }, ptr %t131
+  %t133 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 2
+  %t134 = load { ptr, i64, i64 }, ptr %t133
+  %t135 = call i64 @finch.gen.findStruct(ptr %t130, { ptr, i64, i64 } %t132, { ptr, i64, i64 } %t134)
+  %t136 = load { ptr, i64, i64 }, ptr %t129
+  %t137 = extractvalue { ptr, i64, i64 } %t136, 1
+  %t138 = icmp uge i64 %t135, %t137
+  br i1 %t138, label %range6664, label %inrange6665
+range6664:
+  call void @finch_panic_index(ptr @.str.4330, i64 3690, i64 %t135, i64 %t137)
   unreachable
-inrange6299:
-  %t130 = extractvalue { ptr, i64, i64 } %t127, 0
-  %t131 = getelementptr inbounds %S.gen.StructDef, ptr %t130, i64 %t126
-  %t132 = getelementptr inbounds %S.gen.StructDef, ptr %t131, i32 0, i32 11
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t132, i32 0, i32 1
-  store i64 -1, ptr %a134
-  %t135 = load i64, ptr %t133
-  %t136 = load ptr, ptr %t132
-  store i64 0, ptr %a137
-  br label %find.cond6300
-find.cond6300:
-  %t138 = load i64, ptr %a137
-  %t139 = icmp slt i64 %t138, %t135
-  br i1 %t139, label %find.body6301, label %find.end6304
-find.body6301:
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t136, i64 %t138
-  %t141 = load { ptr, i64, i64 }, ptr %t140
-  store { ptr, i64, i64 } %t141, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.4164, i64 5, i64 0 }, ptr %a143
-  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
-  %t145 = icmp ne i32 %t144, 0
-  br i1 %t145, label %find.hit6302, label %find.next6303
-find.hit6302:
-  store i64 %t138, ptr %a134
-  br label %find.end6304
-find.next6303:
-  %t146 = add i64 %t138, 1
-  store i64 %t146, ptr %a137
-  br label %find.cond6300
-find.end6304:
-  %t147 = load i64, ptr %a134
-  %t148 = icmp sge i64 %t147, 0
-  store i1 %t148, ptr %a111
-  br label %endif6295
-endif6295:
-  %t149 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+inrange6665:
+  %t139 = extractvalue { ptr, i64, i64 } %t136, 0
+  %t140 = getelementptr inbounds %S.gen.StructDef, ptr %t139, i64 %t135
+  %t141 = getelementptr inbounds %S.gen.StructDef, ptr %t140, i32 0, i32 11
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i32 0, i32 1
+  store i64 -1, ptr %a143
+  %t144 = load i64, ptr %t142
+  %t145 = load ptr, ptr %t141
+  store i64 0, ptr %a146
+  br label %find.cond6666
+find.cond6666:
+  %t147 = load i64, ptr %a146
+  %t148 = icmp slt i64 %t147, %t144
+  br i1 %t148, label %find.body6667, label %find.end6670
+find.body6667:
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i64 %t147
   %t150 = load { ptr, i64, i64 }, ptr %t149
   store { ptr, i64, i64 } %t150, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.4165, i64 5, i64 0 }, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.4331, i64 5, i64 0 }, ptr %a152
   %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
   %t154 = icmp ne i32 %t153, 0
-  br label %logic.from6305
-logic.from6305:
-  br i1 %t154, label %logic.rhs6306, label %logic.end6307
-logic.rhs6306:
-  %t155 = load i1, ptr %a111
-  %t156 = xor i1 %t155, true
-  br label %logic.rend6308
-logic.rend6308:
-  br label %logic.end6307
-logic.end6307:
-  %t157 = phi i1 [ false, %logic.from6305 ], [ %t156, %logic.rend6308 ]
-  br i1 %t157, label %then6309, label %endif6311
-then6309:
-  %t158 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t159 = load { ptr, i64, i64 }, ptr %a63
+  br i1 %t154, label %find.hit6668, label %find.next6669
+find.hit6668:
+  store i64 %t147, ptr %a143
+  br label %find.end6670
+find.next6669:
+  %t155 = add i64 %t147, 1
+  store i64 %t155, ptr %a146
+  br label %find.cond6666
+find.end6670:
+  %t156 = load i64, ptr %a143
+  %t157 = icmp sge i64 %t156, 0
+  store i1 %t157, ptr %a120
+  br label %endif6661
+endif6661:
+  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t159 = load { ptr, i64, i64 }, ptr %t158
   store { ptr, i64, i64 } %t159, ptr %a160
-  call void @finch_str_copy(ptr %a161, ptr %a160)
-  %t162 = load { ptr, i64, i64 }, ptr %a161
-  %t163 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t162, 0
-  %t164 = load %S.ast.Type, ptr %a110
-  store %S.ast.Type %t164, ptr %a165
-  call void @finch.copy.S_ast_Type(ptr %a166, ptr %a165)
-  %t167 = load %S.ast.Type, ptr %a166
-  %t168 = insertvalue %S.gen.Place %t163, %S.ast.Type %t167, 1
-  %t169 = insertvalue %S.gen.Ref %t158, %S.gen.Place %t168, 1
-  ret %S.gen.Ref %t169
-endif6311:
-  %t170 = getelementptr inbounds %S.ast.Type, ptr %a110, i32 0, i32 0
-  %t171 = load { ptr, i64, i64 }, ptr %t170
-  store { ptr, i64, i64 } %t171, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.4166, i64 6, i64 0 }, ptr %a173
-  %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
-  %t175 = icmp eq i32 %t174, 0
-  br i1 %t175, label %then6312, label %endif6314
-then6312:
-  %t176 = load ptr, ptr %a1
-  %t177 = load %S.ast.Node, ptr %a2
-  %t178 = load %S.ast.Type, ptr %a42
-  %t179 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t178)
-  store { ptr, i64, i64 } { ptr @.str.4167, i64 2, i64 0 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.4168, i64 43, i64 0 }, ptr %a186
-  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  call void @finch.gen.fail(ptr %t176, %S.ast.Node %t177, { ptr, i64, i64 } %t187)
-  br label %endif6314
-endif6314:
-  %t188 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t189 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t189, ptr %a190
-  call void @finch_str_copy(ptr %a191, ptr %a190)
-  %t192 = load { ptr, i64, i64 }, ptr %a191
-  %t193 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t192, 0
-  %t194 = load %S.ast.Type, ptr %a110
-  store %S.ast.Type %t194, ptr %a195
-  call void @finch.copy.S_ast_Type(ptr %a196, ptr %a195)
-  %t197 = load %S.ast.Type, ptr %a196
-  %t198 = insertvalue %S.gen.Place %t193, %S.ast.Type %t197, 1
-  %t199 = insertvalue %S.gen.Ref %t188, %S.gen.Place %t198, 1
-  store %S.gen.Ref %t199, ptr %a35
-  %t200 = load %S.ast.Type, ptr %a110
-  store %S.ast.Type %t200, ptr %a201
-  call void @finch.copy.S_ast_Type(ptr %a202, ptr %a201)
-  %t203 = load %S.ast.Type, ptr %a202
-  store %S.ast.Type %t203, ptr %a42
-  br label %endif6284
-endif6284:
-  %t204 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t205 = load { ptr, i64, i64 }, ptr %t204
-  store { ptr, i64, i64 } %t205, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.4169, i64 5, i64 0 }, ptr %a207
-  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
-  %t209 = icmp ne i32 %t208, 0
-  br i1 %t209, label %then6315, label %endif6317
-then6315:
-  %t210 = load i1, ptr %a3
-  br i1 %t210, label %then6318, label %endif6320
-then6318:
-  %t211 = load ptr, ptr %a1
-  %t212 = load %S.ast.Node, ptr %a2
-  %t213 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t214 = load { ptr, i64, i64 }, ptr %t213
-  store { ptr, i64, i64 } { ptr @.str.4170, i64 1, i64 0 }, ptr %a216
-  store { ptr, i64, i64 } %t214, ptr %a217
-  call void @finch_str_concat(ptr %a215, ptr %a216, ptr %a217)
-  %t218 = load { ptr, i64, i64 }, ptr %a215
-  store { ptr, i64, i64 } %t218, ptr %a220
-  store { ptr, i64, i64 } { ptr @.str.4171, i64 26, i64 0 }, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  call void @finch.gen.fail(ptr %t211, %S.ast.Node %t212, { ptr, i64, i64 } %t222)
-  br label %endif6320
-endif6320:
-  %t223 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t224 = load { ptr, i64, i64 }, ptr %t223
-  store { ptr, i64, i64 } %t224, ptr %a225
-  store { ptr, i64, i64 } { ptr @.str.4172, i64 3, i64 0 }, ptr %a226
-  %t227 = call i32 @finch_str_eq(ptr %a225, ptr %a226)
-  %t228 = icmp ne i32 %t227, 0
-  br i1 %t228, label %then6321, label %endif6323
-then6321:
-  %t229 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t230 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 4
-  %t231 = load i64, ptr %t230
-  call void @finch_str_from_int(ptr %a232, i64 %t231)
-  %t233 = load { ptr, i64, i64 }, ptr %a232
-  %t234 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t233, 0
-  %t235 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4173, i64 3, i64 0 })
-  %t236 = insertvalue %S.gen.Val %t234, %S.ast.Type %t235, 1
-  %t237 = insertvalue %S.gen.Val %t236, i1 true, 3
-  %t238 = insertvalue %S.gen.Ref %t229, %S.gen.Val %t237, 2
-  ret %S.gen.Ref %t238
-endif6323:
-  %t239 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  store { ptr, i64, i64 } %t240, ptr %a241
-  store { ptr, i64, i64 } { ptr @.str.4174, i64 3, i64 0 }, ptr %a242
-  %t243 = call i32 @finch_str_eq(ptr %a241, ptr %a242)
-  %t244 = icmp eq i32 %t243, 0
-  br i1 %t244, label %then6324, label %endif6326
-then6324:
-  %t245 = load ptr, ptr %a1
-  %t246 = load %S.ast.Node, ptr %a2
-  %t247 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t248 = load { ptr, i64, i64 }, ptr %t247
-  store { ptr, i64, i64 } { ptr @.str.4175, i64 34, i64 0 }, ptr %a250
-  store { ptr, i64, i64 } %t248, ptr %a251
-  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t252, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.4176, i64 1, i64 0 }, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  call void @finch.gen.fail(ptr %t245, %S.ast.Node %t246, { ptr, i64, i64 } %t256)
-  br label %endif6326
-endif6326:
-  %t257 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t258 = load i1, ptr %t257
-  %t259 = xor i1 %t258, true
-  br i1 %t259, label %then6327, label %endif6329
-then6327:
-  %t260 = load ptr, ptr %a1
-  %t261 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t260, %S.ast.Node %t261, { ptr, i64, i64 } { ptr @.str.4177, i64 48, i64 0 })
-  br label %endif6329
-endif6329:
-  %t262 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t263 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t264 = getelementptr inbounds %S.gen.Place, ptr %t263, i32 0, i32 0
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  store { ptr, i64, i64 } %t265, ptr %a266
-  call void @finch_str_copy(ptr %a267, ptr %a266)
-  %t268 = load { ptr, i64, i64 }, ptr %a267
-  %t269 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t268, 0
-  %t270 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t271 = load { ptr, i64, i64 }, ptr %t270
-  %t272 = extractvalue { ptr, i64, i64 } %t271, 1
-  %t273 = icmp uge i64 0, %t272
-  br i1 %t273, label %range6330, label %inrange6331
-range6330:
-  call void @finch_panic_index(ptr @.str.4178, i64 3445, i64 0, i64 %t272)
+  store { ptr, i64, i64 } { ptr @.str.4332, i64 5, i64 0 }, ptr %a161
+  %t162 = call i32 @finch_str_eq(ptr %a160, ptr %a161)
+  %t163 = icmp ne i32 %t162, 0
+  br label %logic.from6671
+logic.from6671:
+  br i1 %t163, label %logic.rhs6672, label %logic.end6673
+logic.rhs6672:
+  %t164 = load i1, ptr %a120
+  %t165 = xor i1 %t164, true
+  br label %logic.rend6674
+logic.rend6674:
+  br label %logic.end6673
+logic.end6673:
+  %t166 = phi i1 [ false, %logic.from6671 ], [ %t165, %logic.rend6674 ]
+  br i1 %t166, label %then6675, label %endif6677
+then6675:
+  %t167 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t168 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t168, ptr %a169
+  call void @finch_str_copy(ptr %a170, ptr %a169)
+  %t171 = load { ptr, i64, i64 }, ptr %a170
+  %t172 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t171, 0
+  %t173 = load %S.ast.Type, ptr %a119
+  store %S.ast.Type %t173, ptr %a174
+  call void @finch.copy.S_ast_Type(ptr %a175, ptr %a174)
+  %t176 = load %S.ast.Type, ptr %a175
+  %t177 = insertvalue %S.gen.Place %t172, %S.ast.Type %t176, 1
+  %t178 = insertvalue %S.gen.Ref %t167, %S.gen.Place %t177, 1
+  call void @finch.drop.S_ast_Type(ptr %a119)
+  call void @finch_str_drop(ptr %a65)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t178
+endif6677:
+  %t179 = getelementptr inbounds %S.ast.Type, ptr %a119, i32 0, i32 0
+  %t180 = load { ptr, i64, i64 }, ptr %t179
+  store { ptr, i64, i64 } %t180, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.4333, i64 6, i64 0 }, ptr %a182
+  %t183 = call i32 @finch_str_eq(ptr %a181, ptr %a182)
+  %t184 = icmp eq i32 %t183, 0
+  br i1 %t184, label %then6678, label %endif6680
+then6678:
+  %t185 = load ptr, ptr %a1
+  %t186 = load %S.ast.Node, ptr %a2
+  %t187 = load %S.ast.Type, ptr %a42
+  %t188 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t187)
+  store { ptr, i64, i64 } { ptr @.str.4334, i64 2, i64 0 }, ptr %a190
+  store { ptr, i64, i64 } %t188, ptr %a191
+  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
+  store { ptr, i64, i64 } %t188, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t193, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4335, i64 43, i64 0 }, ptr %a196
+  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
+  store { ptr, i64, i64 } %t193, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a194
+  call void @finch.gen.fail(ptr %t185, %S.ast.Node %t186, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t198, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  br label %endif6680
+endif6680:
+  %t200 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t201 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t201, ptr %a202
+  call void @finch_str_copy(ptr %a203, ptr %a202)
+  %t204 = load { ptr, i64, i64 }, ptr %a203
+  %t205 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t204, 0
+  %t206 = load %S.ast.Type, ptr %a119
+  store %S.ast.Type %t206, ptr %a207
+  call void @finch.copy.S_ast_Type(ptr %a208, ptr %a207)
+  %t209 = load %S.ast.Type, ptr %a208
+  %t210 = insertvalue %S.gen.Place %t205, %S.ast.Type %t209, 1
+  %t211 = insertvalue %S.gen.Ref %t200, %S.gen.Place %t210, 1
+  %t212 = load %S.gen.Ref, ptr %a35
+  store %S.gen.Ref %t211, ptr %a35
+  store %S.gen.Ref %t212, ptr %a213
+  call void @finch.drop.S_gen_Ref(ptr %a213)
+  %t214 = load %S.ast.Type, ptr %a119
+  store %S.ast.Type %t214, ptr %a215
+  call void @finch.copy.S_ast_Type(ptr %a216, ptr %a215)
+  %t217 = load %S.ast.Type, ptr %a216
+  %t218 = load %S.ast.Type, ptr %a42
+  store %S.ast.Type %t217, ptr %a42
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  call void @finch.drop.S_ast_Type(ptr %a119)
+  call void @finch_str_drop(ptr %a65)
+  br label %endif6650
+endif6650:
+  %t220 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t221 = load { ptr, i64, i64 }, ptr %t220
+  store { ptr, i64, i64 } %t221, ptr %a222
+  store { ptr, i64, i64 } { ptr @.str.4336, i64 5, i64 0 }, ptr %a223
+  %t224 = call i32 @finch_str_eq(ptr %a222, ptr %a223)
+  %t225 = icmp ne i32 %t224, 0
+  br i1 %t225, label %then6681, label %endif6683
+then6681:
+  %t226 = load i1, ptr %a3
+  br i1 %t226, label %then6684, label %endif6686
+then6684:
+  %t227 = load ptr, ptr %a1
+  %t228 = load %S.ast.Node, ptr %a2
+  %t229 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t230 = load { ptr, i64, i64 }, ptr %t229
+  store { ptr, i64, i64 } { ptr @.str.4337, i64 1, i64 0 }, ptr %a232
+  store { ptr, i64, i64 } %t230, ptr %a233
+  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
+  %t234 = load { ptr, i64, i64 }, ptr %a231
+  store { ptr, i64, i64 } %t234, ptr %a236
+  store { ptr, i64, i64 } { ptr @.str.4338, i64 26, i64 0 }, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  call void @finch.gen.fail(ptr %t227, %S.ast.Node %t228, { ptr, i64, i64 } %t239)
+  store { ptr, i64, i64 } %t239, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  br label %endif6686
+endif6686:
+  %t241 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a243
+  store { ptr, i64, i64 } { ptr @.str.4339, i64 3, i64 0 }, ptr %a244
+  %t245 = call i32 @finch_str_eq(ptr %a243, ptr %a244)
+  %t246 = icmp ne i32 %t245, 0
+  br i1 %t246, label %then6687, label %endif6689
+then6687:
+  %t247 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t248 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 4
+  %t249 = load i64, ptr %t248
+  call void @finch_str_from_int(ptr %a250, i64 %t249)
+  %t251 = load { ptr, i64, i64 }, ptr %a250
+  %t252 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t251, 0
+  %t253 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4340, i64 3, i64 0 })
+  %t254 = insertvalue %S.gen.Val %t252, %S.ast.Type %t253, 1
+  %t255 = insertvalue %S.gen.Val %t254, i1 true, 3
+  %t256 = insertvalue %S.gen.Ref %t247, %S.gen.Val %t255, 2
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t256
+endif6689:
+  %t257 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
+  store { ptr, i64, i64 } { ptr @.str.4341, i64 3, i64 0 }, ptr %a260
+  %t261 = call i32 @finch_str_eq(ptr %a259, ptr %a260)
+  %t262 = icmp eq i32 %t261, 0
+  br i1 %t262, label %then6690, label %endif6692
+then6690:
+  %t263 = load ptr, ptr %a1
+  %t264 = load %S.ast.Node, ptr %a2
+  %t265 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t266 = load { ptr, i64, i64 }, ptr %t265
+  store { ptr, i64, i64 } { ptr @.str.4342, i64 34, i64 0 }, ptr %a268
+  store { ptr, i64, i64 } %t266, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a267
+  store { ptr, i64, i64 } %t270, ptr %a272
+  store { ptr, i64, i64 } { ptr @.str.4343, i64 1, i64 0 }, ptr %a273
+  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
+  store { ptr, i64, i64 } %t270, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  %t275 = load { ptr, i64, i64 }, ptr %a271
+  call void @finch.gen.fail(ptr %t263, %S.ast.Node %t264, { ptr, i64, i64 } %t275)
+  store { ptr, i64, i64 } %t275, ptr %a276
+  call void @finch_str_drop(ptr %a276)
+  br label %endif6692
+endif6692:
+  %t277 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t278 = load i1, ptr %t277
+  %t279 = xor i1 %t278, true
+  br i1 %t279, label %then6693, label %endif6695
+then6693:
+  %t280 = load ptr, ptr %a1
+  %t281 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t280, %S.ast.Node %t281, { ptr, i64, i64 } { ptr @.str.4344, i64 48, i64 0 })
+  br label %endif6695
+endif6695:
+  %t282 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t283 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t284 = getelementptr inbounds %S.gen.Place, ptr %t283, i32 0, i32 0
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  store { ptr, i64, i64 } %t285, ptr %a286
+  call void @finch_str_copy(ptr %a287, ptr %a286)
+  %t288 = load { ptr, i64, i64 }, ptr %a287
+  %t289 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t288, 0
+  %t290 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t291 = load { ptr, i64, i64 }, ptr %t290
+  %t292 = extractvalue { ptr, i64, i64 } %t291, 1
+  %t293 = icmp uge i64 0, %t292
+  br i1 %t293, label %range6696, label %inrange6697
+range6696:
+  call void @finch_panic_index(ptr @.str.4345, i64 3714, i64 0, i64 %t292)
   unreachable
-inrange6331:
-  %t274 = extractvalue { ptr, i64, i64 } %t271, 0
-  %t275 = getelementptr inbounds %S.ast.Type, ptr %t274, i64 0
-  %t276 = load %S.ast.Type, ptr %t275
-  %t277 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t276)
-  %t278 = insertvalue %S.gen.Val %t269, %S.ast.Type %t277, 1
-  %t279 = insertvalue %S.gen.Ref %t262, %S.gen.Val %t278, 2
-  ret %S.gen.Ref %t279
-endif6317:
-  %t280 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } %t281, ptr %a282
-  store { ptr, i64, i64 } { ptr @.str.4179, i64 5, i64 0 }, ptr %a283
-  %t284 = call i32 @finch_str_eq(ptr %a282, ptr %a283)
-  %t285 = icmp ne i32 %t284, 0
-  br label %logic.from6332
-logic.from6332:
-  br i1 %t285, label %logic.end6334, label %logic.rhs6333
-logic.rhs6333:
-  %t286 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t287 = load { ptr, i64, i64 }, ptr %t286
-  store { ptr, i64, i64 } %t287, ptr %a288
-  store { ptr, i64, i64 } { ptr @.str.4180, i64 3, i64 0 }, ptr %a289
-  %t290 = call i32 @finch_str_eq(ptr %a288, ptr %a289)
-  %t291 = icmp ne i32 %t290, 0
-  br label %logic.rend6335
-logic.rend6335:
-  br label %logic.end6334
-logic.end6334:
-  %t292 = phi i1 [ true, %logic.from6332 ], [ %t291, %logic.rend6335 ]
-  br label %logic.from6336
-logic.from6336:
-  br i1 %t292, label %logic.rhs6337, label %logic.end6338
-logic.rhs6337:
-  %t293 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t294 = load { ptr, i64, i64 }, ptr %t293
-  store { ptr, i64, i64 } %t294, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.4181, i64 3, i64 0 }, ptr %a296
-  %t297 = call i32 @finch_str_eq(ptr %a295, ptr %a296)
-  %t298 = icmp ne i32 %t297, 0
-  br label %logic.rend6339
-logic.rend6339:
-  br label %logic.end6338
-logic.end6338:
-  %t299 = phi i1 [ false, %logic.from6336 ], [ %t298, %logic.rend6339 ]
-  br i1 %t299, label %then6340, label %endif6342
-then6340:
-  %t300 = load i1, ptr %a3
-  br i1 %t300, label %then6343, label %endif6345
-then6343:
-  %t301 = load ptr, ptr %a1
-  %t302 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t301, %S.ast.Node %t302, { ptr, i64, i64 } { ptr @.str.4182, i64 30, i64 0 })
-  br label %endif6345
-endif6345:
-  %t303 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t304 = load i1, ptr %t303
-  %t305 = xor i1 %t304, true
-  br label %logic.from6346
-logic.from6346:
-  br i1 %t305, label %logic.rhs6347, label %logic.end6348
-logic.rhs6347:
-  %t306 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t307 = getelementptr inbounds %S.gen.Val, ptr %t306, i32 0, i32 2
-  %t308 = load i1, ptr %t307
-  br label %logic.rend6349
-logic.rend6349:
-  br label %logic.end6348
-logic.end6348:
-  %t309 = phi i1 [ false, %logic.from6346 ], [ %t308, %logic.rend6349 ]
-  br label %logic.from6350
-logic.from6350:
-  br i1 %t309, label %logic.rhs6351, label %logic.end6352
-logic.rhs6351:
-  %t310 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t311 = getelementptr inbounds %S.gen.Val, ptr %t310, i32 0, i32 0
-  %t312 = load { ptr, i64, i64 }, ptr %t311
-  store { ptr, i64, i64 } %t312, ptr %a313
-  store { ptr, i64, i64 } { ptr @.str.4184, i64 1, i64 0 }, ptr %a315
-  %t316 = call i32 @finch_str_starts(ptr %a313, ptr %a315)
-  %t317 = icmp ne i32 %t316, 0
-  br label %logic.rend6353
-logic.rend6353:
-  br label %logic.end6352
-logic.end6352:
-  %t318 = phi i1 [ false, %logic.from6350 ], [ %t317, %logic.rend6353 ]
-  br i1 %t318, label %then6354, label %endif6356
-then6354:
-  %t319 = load ptr, ptr %a1
-  %t320 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t319, %S.ast.Node %t320, { ptr, i64, i64 } { ptr @.str.4185, i64 53, i64 0 })
-  br label %endif6356
-endif6356:
-  %t321 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t322 = getelementptr inbounds %S.gen.Val, ptr %t321, i32 0, i32 0
-  %t323 = load { ptr, i64, i64 }, ptr %t322
-  store { ptr, i64, i64 } %t323, ptr %a324
-  call void @finch_str_copy(ptr %a325, ptr %a324)
-  %t326 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t326, ptr %a327
-  %t328 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t329 = load i1, ptr %t328
-  br i1 %t329, label %then6357, label %endif6359
-then6357:
-  %t330 = load ptr, ptr %a1
-  %t331 = load ptr, ptr %a1
-  %t332 = load %S.ast.Type, ptr %a42
-  %t333 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t331, %S.ast.Type %t332)
-  %t334 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t335 = getelementptr inbounds %S.gen.Place, ptr %t334, i32 0, i32 0
-  %t336 = load { ptr, i64, i64 }, ptr %t335
-  %t337 = call { ptr, i64, i64 } @finch.gen.load(ptr %t330, { ptr, i64, i64 } %t333, { ptr, i64, i64 } %t336)
-  store { ptr, i64, i64 } %t337, ptr %a327
-  br label %endif6359
-endif6359:
-  %t338 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t339 = load { ptr, i64, i64 }, ptr %t338
-  store { ptr, i64, i64 } %t339, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.4186, i64 3, i64 0 }, ptr %a341
-  %t342 = call i32 @finch_str_eq(ptr %a340, ptr %a341)
-  %t343 = icmp ne i32 %t342, 0
-  br i1 %t343, label %then6360, label %endif6362
-then6360:
-  %t344 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t345 = load ptr, ptr %a1
-  %t346 = load { ptr, i64, i64 }, ptr %a327
-  %t347 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t345, { ptr, i64, i64 } %t346)
-  %t348 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t347, 0
-  %t349 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4187, i64 4, i64 0 })
-  %t350 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t349)
-  %t351 = insertvalue %S.gen.Val %t348, %S.ast.Type %t350, 1
-  %t352 = insertvalue %S.gen.Ref %t344, %S.gen.Val %t351, 2
-  ret %S.gen.Ref %t352
-endif6362:
-  %t353 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t354 = load ptr, ptr %a1
-  %t355 = load { ptr, i64, i64 }, ptr %a327
-  store { ptr, i64, i64 } { ptr @.str.4188, i64 31, i64 0 }, ptr %a357
-  store { ptr, i64, i64 } %t355, ptr %a358
-  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
-  %t359 = load { ptr, i64, i64 }, ptr %a356
-  store { ptr, i64, i64 } %t359, ptr %a361
-  store { ptr, i64, i64 } { ptr @.str.4189, i64 3, i64 0 }, ptr %a362
-  call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  %t364 = call { ptr, i64, i64 } @finch.gen.op(ptr %t354, { ptr, i64, i64 } %t363)
-  %t365 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t364, 0
-  %t366 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
-  %t367 = load { ptr, i64, i64 }, ptr %t366
-  %t368 = extractvalue { ptr, i64, i64 } %t367, 1
-  %t369 = icmp uge i64 0, %t368
-  br i1 %t369, label %range6363, label %inrange6364
-range6363:
-  call void @finch_panic_index(ptr @.str.4190, i64 3463, i64 0, i64 %t368)
-  unreachable
-inrange6364:
-  %t370 = extractvalue { ptr, i64, i64 } %t367, 0
-  %t371 = getelementptr inbounds %S.ast.Type, ptr %t370, i64 0
-  %t372 = load %S.ast.Type, ptr %t371
+inrange6697:
+  %t294 = extractvalue { ptr, i64, i64 } %t291, 0
+  %t295 = getelementptr inbounds %S.ast.Type, ptr %t294, i64 0
+  %t296 = load %S.ast.Type, ptr %t295
+  %t297 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t296)
+  %t298 = insertvalue %S.gen.Val %t289, %S.ast.Type %t297, 1
+  %t299 = insertvalue %S.gen.Ref %t282, %S.gen.Val %t298, 2
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t299
+endif6683:
+  %t300 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t301 = load { ptr, i64, i64 }, ptr %t300
+  store { ptr, i64, i64 } %t301, ptr %a302
+  store { ptr, i64, i64 } { ptr @.str.4346, i64 5, i64 0 }, ptr %a303
+  %t304 = call i32 @finch_str_eq(ptr %a302, ptr %a303)
+  %t305 = icmp ne i32 %t304, 0
+  br label %logic.from6698
+logic.from6698:
+  br i1 %t305, label %logic.end6700, label %logic.rhs6699
+logic.rhs6699:
+  %t306 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t307 = load { ptr, i64, i64 }, ptr %t306
+  store { ptr, i64, i64 } %t307, ptr %a308
+  store { ptr, i64, i64 } { ptr @.str.4347, i64 3, i64 0 }, ptr %a309
+  %t310 = call i32 @finch_str_eq(ptr %a308, ptr %a309)
+  %t311 = icmp ne i32 %t310, 0
+  br label %logic.rend6701
+logic.rend6701:
+  br label %logic.end6700
+logic.end6700:
+  %t312 = phi i1 [ true, %logic.from6698 ], [ %t311, %logic.rend6701 ]
+  br label %logic.from6702
+logic.from6702:
+  br i1 %t312, label %logic.rhs6703, label %logic.end6704
+logic.rhs6703:
+  %t313 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t314 = load { ptr, i64, i64 }, ptr %t313
+  store { ptr, i64, i64 } %t314, ptr %a315
+  store { ptr, i64, i64 } { ptr @.str.4348, i64 3, i64 0 }, ptr %a316
+  %t317 = call i32 @finch_str_eq(ptr %a315, ptr %a316)
+  %t318 = icmp ne i32 %t317, 0
+  br label %logic.rend6705
+logic.rend6705:
+  br label %logic.end6704
+logic.end6704:
+  %t319 = phi i1 [ false, %logic.from6702 ], [ %t318, %logic.rend6705 ]
+  br i1 %t319, label %then6706, label %endif6708
+then6706:
+  %t320 = load i1, ptr %a3
+  br i1 %t320, label %then6709, label %endif6711
+then6709:
+  %t321 = load ptr, ptr %a1
+  %t322 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t321, %S.ast.Node %t322, { ptr, i64, i64 } { ptr @.str.4349, i64 30, i64 0 })
+  br label %endif6711
+endif6711:
+  %t323 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t324 = load i1, ptr %t323
+  %t325 = xor i1 %t324, true
+  br label %logic.from6712
+logic.from6712:
+  br i1 %t325, label %logic.rhs6713, label %logic.end6714
+logic.rhs6713:
+  %t326 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t327 = getelementptr inbounds %S.gen.Val, ptr %t326, i32 0, i32 2
+  %t328 = load i1, ptr %t327
+  br label %logic.rend6715
+logic.rend6715:
+  br label %logic.end6714
+logic.end6714:
+  %t329 = phi i1 [ false, %logic.from6712 ], [ %t328, %logic.rend6715 ]
+  br label %logic.from6716
+logic.from6716:
+  br i1 %t329, label %logic.rhs6717, label %logic.end6718
+logic.rhs6717:
+  %t330 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t331 = getelementptr inbounds %S.gen.Val, ptr %t330, i32 0, i32 0
+  %t332 = load { ptr, i64, i64 }, ptr %t331
+  store { ptr, i64, i64 } %t332, ptr %a333
+  store { ptr, i64, i64 } { ptr @.str.4351, i64 1, i64 0 }, ptr %a335
+  %t336 = call i32 @finch_str_starts(ptr %a333, ptr %a335)
+  %t337 = icmp ne i32 %t336, 0
+  br label %logic.rend6719
+logic.rend6719:
+  br label %logic.end6718
+logic.end6718:
+  %t338 = phi i1 [ false, %logic.from6716 ], [ %t337, %logic.rend6719 ]
+  br i1 %t338, label %then6720, label %endif6722
+then6720:
+  %t339 = load ptr, ptr %a1
+  %t340 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t339, %S.ast.Node %t340, { ptr, i64, i64 } { ptr @.str.4352, i64 53, i64 0 })
+  br label %endif6722
+endif6722:
+  %t341 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t342 = getelementptr inbounds %S.gen.Val, ptr %t341, i32 0, i32 0
+  %t343 = load { ptr, i64, i64 }, ptr %t342
+  store { ptr, i64, i64 } %t343, ptr %a344
+  call void @finch_str_copy(ptr %a345, ptr %a344)
+  %t346 = load { ptr, i64, i64 }, ptr %a345
+  store { ptr, i64, i64 } %t346, ptr %a347
+  %t348 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t349 = load i1, ptr %t348
+  br i1 %t349, label %then6723, label %endif6725
+then6723:
+  %t350 = load ptr, ptr %a1
+  %t351 = load ptr, ptr %a1
+  %t352 = load %S.ast.Type, ptr %a42
+  %t353 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t351, %S.ast.Type %t352)
+  %t354 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t355 = getelementptr inbounds %S.gen.Place, ptr %t354, i32 0, i32 0
+  %t356 = load { ptr, i64, i64 }, ptr %t355
+  %t357 = call { ptr, i64, i64 } @finch.gen.load(ptr %t350, { ptr, i64, i64 } %t353, { ptr, i64, i64 } %t356)
+  store { ptr, i64, i64 } %t353, ptr %a358
+  call void @finch_str_drop(ptr %a358)
+  %t359 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t357, ptr %a347
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  br label %endif6725
+endif6725:
+  %t361 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t362 = load { ptr, i64, i64 }, ptr %t361
+  store { ptr, i64, i64 } %t362, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.4353, i64 3, i64 0 }, ptr %a364
+  %t365 = call i32 @finch_str_eq(ptr %a363, ptr %a364)
+  %t366 = icmp ne i32 %t365, 0
+  br i1 %t366, label %then6726, label %endif6728
+then6726:
+  %t367 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t368 = load ptr, ptr %a1
+  %t369 = load { ptr, i64, i64 }, ptr %a347
+  %t370 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t368, { ptr, i64, i64 } %t369)
+  %t371 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t370, 0
+  %t372 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4354, i64 4, i64 0 })
   %t373 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t372)
-  %t374 = insertvalue %S.gen.Val %t365, %S.ast.Type %t373, 1
-  %t375 = insertvalue %S.gen.Ref %t353, %S.gen.Val %t374, 2
-  ret %S.gen.Ref %t375
-endif6342:
-  %t376 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t377 = load { ptr, i64, i64 }, ptr %t376
-  store { ptr, i64, i64 } %t377, ptr %a378
-  store { ptr, i64, i64 } { ptr @.str.4191, i64 5, i64 0 }, ptr %a379
-  %t380 = call i32 @finch_str_eq(ptr %a378, ptr %a379)
-  %t381 = icmp ne i32 %t380, 0
-  br label %logic.from6365
-logic.from6365:
-  br i1 %t381, label %logic.end6367, label %logic.rhs6366
-logic.rhs6366:
-  %t382 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t383 = load { ptr, i64, i64 }, ptr %t382
-  store { ptr, i64, i64 } %t383, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.4192, i64 3, i64 0 }, ptr %a385
-  %t386 = call i32 @finch_str_eq(ptr %a384, ptr %a385)
-  %t387 = icmp ne i32 %t386, 0
-  br label %logic.rend6368
-logic.rend6368:
-  br label %logic.end6367
-logic.end6367:
-  %t388 = phi i1 [ true, %logic.from6365 ], [ %t387, %logic.rend6368 ]
-  br label %logic.from6369
-logic.from6369:
-  br i1 %t388, label %logic.end6371, label %logic.rhs6370
-logic.rhs6370:
-  %t389 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t390 = load { ptr, i64, i64 }, ptr %t389
-  store { ptr, i64, i64 } %t390, ptr %a391
-  store { ptr, i64, i64 } { ptr @.str.4193, i64 3, i64 0 }, ptr %a392
-  %t393 = call i32 @finch_str_eq(ptr %a391, ptr %a392)
-  %t394 = icmp ne i32 %t393, 0
-  br label %logic.rend6372
-logic.rend6372:
-  br label %logic.end6371
-logic.end6371:
-  %t395 = phi i1 [ true, %logic.from6369 ], [ %t394, %logic.rend6372 ]
-  br i1 %t395, label %then6373, label %endif6375
-then6373:
-  %t396 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t397 = load { ptr, i64, i64 }, ptr %t396
-  store { ptr, i64, i64 } %t397, ptr %a398
-  store { ptr, i64, i64 } { ptr @.str.4194, i64 3, i64 0 }, ptr %a399
-  %t400 = call i32 @finch_str_eq(ptr %a398, ptr %a399)
-  %t401 = icmp eq i32 %t400, 0
-  br i1 %t401, label %then6376, label %endif6378
-then6376:
-  %t402 = load ptr, ptr %a1
-  %t403 = load %S.ast.Node, ptr %a2
-  %t404 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t405 = load { ptr, i64, i64 }, ptr %t404
-  store { ptr, i64, i64 } { ptr @.str.4195, i64 37, i64 0 }, ptr %a407
-  store { ptr, i64, i64 } %t405, ptr %a408
-  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
-  %t409 = load { ptr, i64, i64 }, ptr %a406
-  store { ptr, i64, i64 } %t409, ptr %a411
-  store { ptr, i64, i64 } { ptr @.str.4196, i64 1, i64 0 }, ptr %a412
-  call void @finch_str_concat(ptr %a410, ptr %a411, ptr %a412)
-  %t413 = load { ptr, i64, i64 }, ptr %a410
-  call void @finch.gen.fail(ptr %t402, %S.ast.Node %t403, { ptr, i64, i64 } %t413)
-  br label %endif6378
-endif6378:
-  %t414 = load i1, ptr %a3
-  br i1 %t414, label %then6379, label %endif6381
-then6379:
-  %t415 = load ptr, ptr %a1
-  %t416 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t415, %S.ast.Node %t416, { ptr, i64, i64 } { ptr @.str.4197, i64 48, i64 0 })
-  br label %endif6381
-endif6381:
-  %t417 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t418 = load i1, ptr %t417
-  br i1 %t418, label %then6382, label %endif6384
-then6382:
-  %t419 = load ptr, ptr %a1
-  %t420 = load ptr, ptr %a1
-  %t421 = load %S.ast.Type, ptr %a42
-  %t422 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t420, %S.ast.Type %t421)
-  store { ptr, i64, i64 } { ptr @.str.4198, i64 23, i64 0 }, ptr %a424
-  store { ptr, i64, i64 } %t422, ptr %a425
-  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
-  %t426 = load { ptr, i64, i64 }, ptr %a423
-  store { ptr, i64, i64 } %t426, ptr %a428
-  store { ptr, i64, i64 } { ptr @.str.4199, i64 6, i64 0 }, ptr %a429
-  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
-  %t430 = load { ptr, i64, i64 }, ptr %a427
-  %t431 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t432 = getelementptr inbounds %S.gen.Place, ptr %t431, i32 0, i32 0
-  %t433 = load { ptr, i64, i64 }, ptr %t432
-  store { ptr, i64, i64 } %t430, ptr %a435
-  store { ptr, i64, i64 } %t433, ptr %a436
-  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
-  %t437 = load { ptr, i64, i64 }, ptr %a434
-  store { ptr, i64, i64 } %t437, ptr %a439
-  store { ptr, i64, i64 } { ptr @.str.4200, i64 14, i64 0 }, ptr %a440
-  call void @finch_str_concat(ptr %a438, ptr %a439, ptr %a440)
-  %t441 = load { ptr, i64, i64 }, ptr %a438
-  %t442 = call { ptr, i64, i64 } @finch.gen.op(ptr %t419, { ptr, i64, i64 } %t441)
-  store { ptr, i64, i64 } %t442, ptr %a443
-  %t444 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t445 = load ptr, ptr %a1
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  %t447 = call { ptr, i64, i64 } @finch.gen.load(ptr %t445, { ptr, i64, i64 } { ptr @.str.4201, i64 3, i64 0 }, { ptr, i64, i64 } %t446)
-  %t448 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t447, 0
-  %t449 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4202, i64 3, i64 0 })
-  %t450 = insertvalue %S.gen.Val %t448, %S.ast.Type %t449, 1
-  %t451 = insertvalue %S.gen.Ref %t444, %S.gen.Val %t450, 2
-  ret %S.gen.Ref %t451
-endif6384:
-  %t452 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t453 = load ptr, ptr %a1
-  %t454 = load ptr, ptr %a1
-  %t455 = load %S.ast.Type, ptr %a42
-  %t456 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t454, %S.ast.Type %t455)
-  store { ptr, i64, i64 } { ptr @.str.4203, i64 13, i64 0 }, ptr %a458
-  store { ptr, i64, i64 } %t456, ptr %a459
-  call void @finch_str_concat(ptr %a457, ptr %a458, ptr %a459)
-  %t460 = load { ptr, i64, i64 }, ptr %a457
-  store { ptr, i64, i64 } %t460, ptr %a462
-  store { ptr, i64, i64 } { ptr @.str.4204, i64 1, i64 0 }, ptr %a463
-  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
-  %t464 = load { ptr, i64, i64 }, ptr %a461
-  %t465 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t466 = getelementptr inbounds %S.gen.Val, ptr %t465, i32 0, i32 0
-  %t467 = load { ptr, i64, i64 }, ptr %t466
-  store { ptr, i64, i64 } %t464, ptr %a469
-  store { ptr, i64, i64 } %t467, ptr %a470
-  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
-  %t471 = load { ptr, i64, i64 }, ptr %a468
-  store { ptr, i64, i64 } %t471, ptr %a473
-  store { ptr, i64, i64 } { ptr @.str.4205, i64 3, i64 0 }, ptr %a474
-  call void @finch_str_concat(ptr %a472, ptr %a473, ptr %a474)
-  %t475 = load { ptr, i64, i64 }, ptr %a472
-  %t476 = call { ptr, i64, i64 } @finch.gen.op(ptr %t453, { ptr, i64, i64 } %t475)
-  %t477 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t476, 0
-  %t478 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4206, i64 3, i64 0 })
-  %t479 = insertvalue %S.gen.Val %t477, %S.ast.Type %t478, 1
-  %t480 = insertvalue %S.gen.Ref %t452, %S.gen.Val %t479, 2
-  ret %S.gen.Ref %t480
-endif6375:
-  %t481 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
-  %t482 = load { ptr, i64, i64 }, ptr %t481
-  store { ptr, i64, i64 } %t482, ptr %a483
-  store { ptr, i64, i64 } { ptr @.str.4207, i64 6, i64 0 }, ptr %a484
-  %t485 = call i32 @finch_str_eq(ptr %a483, ptr %a484)
-  %t486 = icmp eq i32 %t485, 0
-  br i1 %t486, label %then6385, label %endif6387
-then6385:
-  %t487 = load ptr, ptr %a1
-  %t488 = load %S.ast.Node, ptr %a2
-  %t489 = load %S.ast.Type, ptr %a42
-  %t490 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t489)
-  store { ptr, i64, i64 } %t490, ptr %a492
-  store { ptr, i64, i64 } { ptr @.str.4208, i64 21, i64 0 }, ptr %a493
-  call void @finch_str_concat(ptr %a491, ptr %a492, ptr %a493)
-  %t494 = load { ptr, i64, i64 }, ptr %a491
-  %t495 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t496 = load { ptr, i64, i64 }, ptr %t495
-  store { ptr, i64, i64 } %t494, ptr %a498
-  store { ptr, i64, i64 } %t496, ptr %a499
-  call void @finch_str_concat(ptr %a497, ptr %a498, ptr %a499)
-  %t500 = load { ptr, i64, i64 }, ptr %a497
-  store { ptr, i64, i64 } %t500, ptr %a502
-  store { ptr, i64, i64 } { ptr @.str.4209, i64 2, i64 0 }, ptr %a503
-  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
-  %t504 = load { ptr, i64, i64 }, ptr %a501
-  call void @finch.gen.fail(ptr %t487, %S.ast.Node %t488, { ptr, i64, i64 } %t504)
-  br label %endif6387
-endif6387:
-  %t505 = load ptr, ptr %a1
-  %t506 = icmp eq ptr %t505, null
-  br i1 %t506, label %panic6388, label %ok6389
-panic6388:
-  call void @finch_panic(ptr @.str.4210, i64 3481, ptr @.str.4211)
+  store %S.ast.Type %t372, ptr %a374
+  call void @finch.drop.S_ast_Type(ptr %a374)
+  %t375 = insertvalue %S.gen.Val %t371, %S.ast.Type %t373, 1
+  %t376 = insertvalue %S.gen.Ref %t367, %S.gen.Val %t375, 2
+  call void @finch_str_drop(ptr %a347)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t376
+endif6728:
+  %t377 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t378 = load ptr, ptr %a1
+  %t379 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } { ptr @.str.4355, i64 31, i64 0 }, ptr %a381
+  store { ptr, i64, i64 } %t379, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  %t383 = load { ptr, i64, i64 }, ptr %a380
+  store { ptr, i64, i64 } %t383, ptr %a385
+  store { ptr, i64, i64 } { ptr @.str.4356, i64 3, i64 0 }, ptr %a386
+  call void @finch_str_concat(ptr %a384, ptr %a385, ptr %a386)
+  store { ptr, i64, i64 } %t383, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a384
+  %t389 = call { ptr, i64, i64 } @finch.gen.op(ptr %t378, { ptr, i64, i64 } %t388)
+  store { ptr, i64, i64 } %t388, ptr %a390
+  call void @finch_str_drop(ptr %a390)
+  %t391 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t389, 0
+  %t392 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 1
+  %t393 = load { ptr, i64, i64 }, ptr %t392
+  %t394 = extractvalue { ptr, i64, i64 } %t393, 1
+  %t395 = icmp uge i64 0, %t394
+  br i1 %t395, label %range6729, label %inrange6730
+range6729:
+  call void @finch_panic_index(ptr @.str.4357, i64 3732, i64 0, i64 %t394)
   unreachable
-ok6389:
-  %t507 = getelementptr inbounds %S.gen.Gen, ptr %t505, i32 0, i32 15
-  %t508 = load ptr, ptr %a1
-  %t509 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 3
-  %t510 = load { ptr, i64, i64 }, ptr %t509
-  %t511 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 2
-  %t512 = load { ptr, i64, i64 }, ptr %t511
-  %t513 = call i64 @finch.gen.findStruct(ptr %t508, { ptr, i64, i64 } %t510, { ptr, i64, i64 } %t512)
-  %t514 = load { ptr, i64, i64 }, ptr %t507
-  %t515 = extractvalue { ptr, i64, i64 } %t514, 1
-  %t516 = icmp uge i64 %t513, %t515
-  br i1 %t516, label %range6390, label %inrange6391
-range6390:
-  call void @finch_panic_index(ptr @.str.4212, i64 3481, i64 %t513, i64 %t515)
-  unreachable
-inrange6391:
-  %t517 = extractvalue { ptr, i64, i64 } %t514, 0
-  %t518 = getelementptr inbounds %S.gen.StructDef, ptr %t517, i64 %t513
-  %t519 = load %S.gen.StructDef, ptr %t518
-  store %S.gen.StructDef %t519, ptr %a520
-  call void @finch.copy.S_gen_StructDef(ptr %a521, ptr %a520)
-  %t522 = load %S.gen.StructDef, ptr %a521
-  store %S.gen.StructDef %t522, ptr %a523
-  %t524 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 11
-  %t525 = getelementptr inbounds { ptr, i64, i64 }, ptr %t524, i32 0, i32 1
-  %t526 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t527 = load { ptr, i64, i64 }, ptr %t526
-  store i64 -1, ptr %a528
-  %t529 = load i64, ptr %t525
-  %t530 = load ptr, ptr %t524
-  store i64 0, ptr %a531
-  br label %find.cond6392
-find.cond6392:
-  %t532 = load i64, ptr %a531
-  %t533 = icmp slt i64 %t532, %t529
-  br i1 %t533, label %find.body6393, label %find.end6396
-find.body6393:
-  %t534 = getelementptr inbounds { ptr, i64, i64 }, ptr %t530, i64 %t532
-  %t535 = load { ptr, i64, i64 }, ptr %t534
-  store { ptr, i64, i64 } %t535, ptr %a536
-  store { ptr, i64, i64 } %t527, ptr %a537
-  %t538 = call i32 @finch_str_eq(ptr %a536, ptr %a537)
-  %t539 = icmp ne i32 %t538, 0
-  br i1 %t539, label %find.hit6394, label %find.next6395
-find.hit6394:
-  store i64 %t532, ptr %a528
-  br label %find.end6396
-find.next6395:
-  %t540 = add i64 %t532, 1
-  store i64 %t540, ptr %a531
-  br label %find.cond6392
-find.end6396:
-  %t541 = load i64, ptr %a528
-  store i64 %t541, ptr %a542
-  %t543 = load i64, ptr %a542
-  %t544 = icmp slt i64 %t543, 0
-  br i1 %t544, label %then6397, label %endif6399
-then6397:
-  %t545 = load ptr, ptr %a1
-  %t546 = load %S.ast.Node, ptr %a2
-  %t547 = load %S.ast.Type, ptr %a42
-  %t548 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t547)
-  store { ptr, i64, i64 } { ptr @.str.4213, i64 11, i64 0 }, ptr %a550
-  store { ptr, i64, i64 } %t548, ptr %a551
+inrange6730:
+  %t396 = extractvalue { ptr, i64, i64 } %t393, 0
+  %t397 = getelementptr inbounds %S.ast.Type, ptr %t396, i64 0
+  %t398 = load %S.ast.Type, ptr %t397
+  %t399 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t398)
+  %t400 = insertvalue %S.gen.Val %t391, %S.ast.Type %t399, 1
+  %t401 = insertvalue %S.gen.Ref %t377, %S.gen.Val %t400, 2
+  call void @finch_str_drop(ptr %a347)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t401
+endif6708:
+  %t402 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t403 = load { ptr, i64, i64 }, ptr %t402
+  store { ptr, i64, i64 } %t403, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4358, i64 5, i64 0 }, ptr %a405
+  %t406 = call i32 @finch_str_eq(ptr %a404, ptr %a405)
+  %t407 = icmp ne i32 %t406, 0
+  br label %logic.from6731
+logic.from6731:
+  br i1 %t407, label %logic.end6733, label %logic.rhs6732
+logic.rhs6732:
+  %t408 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t409 = load { ptr, i64, i64 }, ptr %t408
+  store { ptr, i64, i64 } %t409, ptr %a410
+  store { ptr, i64, i64 } { ptr @.str.4359, i64 3, i64 0 }, ptr %a411
+  %t412 = call i32 @finch_str_eq(ptr %a410, ptr %a411)
+  %t413 = icmp ne i32 %t412, 0
+  br label %logic.rend6734
+logic.rend6734:
+  br label %logic.end6733
+logic.end6733:
+  %t414 = phi i1 [ true, %logic.from6731 ], [ %t413, %logic.rend6734 ]
+  br label %logic.from6735
+logic.from6735:
+  br i1 %t414, label %logic.end6737, label %logic.rhs6736
+logic.rhs6736:
+  %t415 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  store { ptr, i64, i64 } %t416, ptr %a417
+  store { ptr, i64, i64 } { ptr @.str.4360, i64 3, i64 0 }, ptr %a418
+  %t419 = call i32 @finch_str_eq(ptr %a417, ptr %a418)
+  %t420 = icmp ne i32 %t419, 0
+  br label %logic.rend6738
+logic.rend6738:
+  br label %logic.end6737
+logic.end6737:
+  %t421 = phi i1 [ true, %logic.from6735 ], [ %t420, %logic.rend6738 ]
+  br i1 %t421, label %then6739, label %endif6741
+then6739:
+  %t422 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t423 = load { ptr, i64, i64 }, ptr %t422
+  store { ptr, i64, i64 } %t423, ptr %a424
+  store { ptr, i64, i64 } { ptr @.str.4361, i64 3, i64 0 }, ptr %a425
+  %t426 = call i32 @finch_str_eq(ptr %a424, ptr %a425)
+  %t427 = icmp eq i32 %t426, 0
+  br i1 %t427, label %then6742, label %endif6744
+then6742:
+  %t428 = load ptr, ptr %a1
+  %t429 = load %S.ast.Node, ptr %a2
+  %t430 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t431 = load { ptr, i64, i64 }, ptr %t430
+  store { ptr, i64, i64 } { ptr @.str.4362, i64 37, i64 0 }, ptr %a433
+  store { ptr, i64, i64 } %t431, ptr %a434
+  call void @finch_str_concat(ptr %a432, ptr %a433, ptr %a434)
+  %t435 = load { ptr, i64, i64 }, ptr %a432
+  store { ptr, i64, i64 } %t435, ptr %a437
+  store { ptr, i64, i64 } { ptr @.str.4363, i64 1, i64 0 }, ptr %a438
+  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
+  store { ptr, i64, i64 } %t435, ptr %a439
+  call void @finch_str_drop(ptr %a439)
+  %t440 = load { ptr, i64, i64 }, ptr %a436
+  call void @finch.gen.fail(ptr %t428, %S.ast.Node %t429, { ptr, i64, i64 } %t440)
+  store { ptr, i64, i64 } %t440, ptr %a441
+  call void @finch_str_drop(ptr %a441)
+  br label %endif6744
+endif6744:
+  %t442 = load i1, ptr %a3
+  br i1 %t442, label %then6745, label %endif6747
+then6745:
+  %t443 = load ptr, ptr %a1
+  %t444 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t443, %S.ast.Node %t444, { ptr, i64, i64 } { ptr @.str.4364, i64 48, i64 0 })
+  br label %endif6747
+endif6747:
+  %t445 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t446 = load i1, ptr %t445
+  br i1 %t446, label %then6748, label %endif6750
+then6748:
+  %t447 = load ptr, ptr %a1
+  %t448 = load ptr, ptr %a1
+  %t449 = load %S.ast.Type, ptr %a42
+  %t450 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t448, %S.ast.Type %t449)
+  store { ptr, i64, i64 } { ptr @.str.4365, i64 23, i64 0 }, ptr %a452
+  store { ptr, i64, i64 } %t450, ptr %a453
+  call void @finch_str_concat(ptr %a451, ptr %a452, ptr %a453)
+  store { ptr, i64, i64 } %t450, ptr %a454
+  call void @finch_str_drop(ptr %a454)
+  %t455 = load { ptr, i64, i64 }, ptr %a451
+  store { ptr, i64, i64 } %t455, ptr %a457
+  store { ptr, i64, i64 } { ptr @.str.4366, i64 6, i64 0 }, ptr %a458
+  call void @finch_str_concat(ptr %a456, ptr %a457, ptr %a458)
+  store { ptr, i64, i64 } %t455, ptr %a459
+  call void @finch_str_drop(ptr %a459)
+  %t460 = load { ptr, i64, i64 }, ptr %a456
+  %t461 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t462 = getelementptr inbounds %S.gen.Place, ptr %t461, i32 0, i32 0
+  %t463 = load { ptr, i64, i64 }, ptr %t462
+  store { ptr, i64, i64 } %t460, ptr %a465
+  store { ptr, i64, i64 } %t463, ptr %a466
+  call void @finch_str_concat(ptr %a464, ptr %a465, ptr %a466)
+  store { ptr, i64, i64 } %t460, ptr %a467
+  call void @finch_str_drop(ptr %a467)
+  %t468 = load { ptr, i64, i64 }, ptr %a464
+  store { ptr, i64, i64 } %t468, ptr %a470
+  store { ptr, i64, i64 } { ptr @.str.4367, i64 14, i64 0 }, ptr %a471
+  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
+  store { ptr, i64, i64 } %t468, ptr %a472
+  call void @finch_str_drop(ptr %a472)
+  %t473 = load { ptr, i64, i64 }, ptr %a469
+  %t474 = call { ptr, i64, i64 } @finch.gen.op(ptr %t447, { ptr, i64, i64 } %t473)
+  store { ptr, i64, i64 } %t473, ptr %a475
+  call void @finch_str_drop(ptr %a475)
+  store { ptr, i64, i64 } %t474, ptr %a476
+  %t477 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t478 = load ptr, ptr %a1
+  %t479 = load { ptr, i64, i64 }, ptr %a476
+  %t480 = call { ptr, i64, i64 } @finch.gen.load(ptr %t478, { ptr, i64, i64 } { ptr @.str.4368, i64 3, i64 0 }, { ptr, i64, i64 } %t479)
+  %t481 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t480, 0
+  %t482 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4369, i64 3, i64 0 })
+  %t483 = insertvalue %S.gen.Val %t481, %S.ast.Type %t482, 1
+  %t484 = insertvalue %S.gen.Ref %t477, %S.gen.Val %t483, 2
+  call void @finch_str_drop(ptr %a476)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t484
+endif6750:
+  %t485 = load ptr, ptr %a1
+  %t486 = load ptr, ptr %a1
+  %t487 = load %S.ast.Type, ptr %a42
+  %t488 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t486, %S.ast.Type %t487)
+  store { ptr, i64, i64 } { ptr @.str.4370, i64 13, i64 0 }, ptr %a490
+  store { ptr, i64, i64 } %t488, ptr %a491
+  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
+  store { ptr, i64, i64 } %t488, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = load { ptr, i64, i64 }, ptr %a489
+  store { ptr, i64, i64 } %t493, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.4371, i64 1, i64 0 }, ptr %a496
+  call void @finch_str_concat(ptr %a494, ptr %a495, ptr %a496)
+  store { ptr, i64, i64 } %t493, ptr %a497
+  call void @finch_str_drop(ptr %a497)
+  %t498 = load { ptr, i64, i64 }, ptr %a494
+  %t499 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t500 = getelementptr inbounds %S.gen.Val, ptr %t499, i32 0, i32 0
+  %t501 = load { ptr, i64, i64 }, ptr %t500
+  store { ptr, i64, i64 } %t498, ptr %a503
+  store { ptr, i64, i64 } %t501, ptr %a504
+  call void @finch_str_concat(ptr %a502, ptr %a503, ptr %a504)
+  store { ptr, i64, i64 } %t498, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = load { ptr, i64, i64 }, ptr %a502
+  store { ptr, i64, i64 } %t506, ptr %a508
+  store { ptr, i64, i64 } { ptr @.str.4372, i64 3, i64 0 }, ptr %a509
+  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
+  store { ptr, i64, i64 } %t506, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a507
+  %t512 = call { ptr, i64, i64 } @finch.gen.op(ptr %t485, { ptr, i64, i64 } %t511)
+  store { ptr, i64, i64 } %t511, ptr %a513
+  call void @finch_str_drop(ptr %a513)
+  store { ptr, i64, i64 } %t512, ptr %a514
+  %t515 = load ptr, ptr %a1
+  %t516 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t517 = load %S.gen.Val, ptr %t516
+  call void @finch.gen.release(ptr %t515, %S.gen.Val %t517)
+  %t518 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t519 = load { ptr, i64, i64 }, ptr %a514
+  store { ptr, i64, i64 } %t519, ptr %a520
+  call void @finch_str_copy(ptr %a521, ptr %a520)
+  %t522 = load { ptr, i64, i64 }, ptr %a521
+  %t523 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t522, 0
+  %t524 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4373, i64 3, i64 0 })
+  %t525 = insertvalue %S.gen.Val %t523, %S.ast.Type %t524, 1
+  %t526 = insertvalue %S.gen.Ref %t518, %S.gen.Val %t525, 2
+  call void @finch_str_drop(ptr %a514)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t526
+endif6741:
+  %t527 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 0
+  %t528 = load { ptr, i64, i64 }, ptr %t527
+  store { ptr, i64, i64 } %t528, ptr %a529
+  store { ptr, i64, i64 } { ptr @.str.4374, i64 6, i64 0 }, ptr %a530
+  %t531 = call i32 @finch_str_eq(ptr %a529, ptr %a530)
+  %t532 = icmp eq i32 %t531, 0
+  br i1 %t532, label %then6751, label %endif6753
+then6751:
+  %t533 = load ptr, ptr %a1
+  %t534 = load %S.ast.Node, ptr %a2
+  %t535 = load %S.ast.Type, ptr %a42
+  %t536 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t535)
+  store { ptr, i64, i64 } %t536, ptr %a538
+  store { ptr, i64, i64 } { ptr @.str.4375, i64 21, i64 0 }, ptr %a539
+  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
+  store { ptr, i64, i64 } %t536, ptr %a540
+  call void @finch_str_drop(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a537
+  %t542 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t543 = load { ptr, i64, i64 }, ptr %t542
+  store { ptr, i64, i64 } %t541, ptr %a545
+  store { ptr, i64, i64 } %t543, ptr %a546
+  call void @finch_str_concat(ptr %a544, ptr %a545, ptr %a546)
+  store { ptr, i64, i64 } %t541, ptr %a547
+  call void @finch_str_drop(ptr %a547)
+  %t548 = load { ptr, i64, i64 }, ptr %a544
+  store { ptr, i64, i64 } %t548, ptr %a550
+  store { ptr, i64, i64 } { ptr @.str.4376, i64 2, i64 0 }, ptr %a551
   call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  store { ptr, i64, i64 } %t552, ptr %a554
-  store { ptr, i64, i64 } { ptr @.str.4214, i64 15, i64 0 }, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t558 = load { ptr, i64, i64 }, ptr %t557
-  store { ptr, i64, i64 } %t556, ptr %a560
-  store { ptr, i64, i64 } %t558, ptr %a561
-  call void @finch_str_concat(ptr %a559, ptr %a560, ptr %a561)
-  %t562 = load { ptr, i64, i64 }, ptr %a559
-  store { ptr, i64, i64 } %t562, ptr %a564
-  store { ptr, i64, i64 } { ptr @.str.4215, i64 11, i64 0 }, ptr %a565
-  call void @finch_str_concat(ptr %a563, ptr %a564, ptr %a565)
-  %t566 = load { ptr, i64, i64 }, ptr %a563
-  %t567 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 11
-  %t568 = getelementptr inbounds { ptr, i64, i64 }, ptr %t567, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4216, i64 2, i64 0 }, ptr %a569
-  call void @finch_str_join(ptr %a570, ptr %t567, ptr %a569)
-  %t571 = load { ptr, i64, i64 }, ptr %a570
-  store { ptr, i64, i64 } %t566, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a574
-  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
-  %t575 = load { ptr, i64, i64 }, ptr %a572
-  store { ptr, i64, i64 } %t575, ptr %a577
-  store { ptr, i64, i64 } { ptr @.str.4217, i64 1, i64 0 }, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  call void @finch.gen.fail(ptr %t545, %S.ast.Node %t546, { ptr, i64, i64 } %t579)
-  br label %endif6399
-endif6399:
-  %t580 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 12
-  %t581 = load i64, ptr %a542
-  %t582 = load { ptr, i64, i64 }, ptr %t580
-  %t583 = extractvalue { ptr, i64, i64 } %t582, 1
-  %t584 = icmp uge i64 %t581, %t583
-  br i1 %t584, label %range6400, label %inrange6401
-range6400:
-  call void @finch_panic_index(ptr @.str.4218, i64 3486, i64 %t581, i64 %t583)
+  store { ptr, i64, i64 } %t548, ptr %a552
+  call void @finch_str_drop(ptr %a552)
+  %t553 = load { ptr, i64, i64 }, ptr %a549
+  call void @finch.gen.fail(ptr %t533, %S.ast.Node %t534, { ptr, i64, i64 } %t553)
+  store { ptr, i64, i64 } %t553, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  br label %endif6753
+endif6753:
+  %t555 = load ptr, ptr %a1
+  %t556 = icmp eq ptr %t555, null
+  br i1 %t556, label %panic6754, label %ok6755
+panic6754:
+  call void @finch_panic(ptr @.str.4377, i64 3752, ptr @.str.4378)
   unreachable
-inrange6401:
-  %t585 = extractvalue { ptr, i64, i64 } %t582, 0
-  %t586 = getelementptr inbounds %S.ast.Type, ptr %t585, i64 %t581
-  %t587 = load %S.ast.Type, ptr %t586
-  store %S.ast.Type %t587, ptr %a588
-  call void @finch.copy.S_ast_Type(ptr %a589, ptr %a588)
-  %t590 = load %S.ast.Type, ptr %a589
-  store %S.ast.Type %t590, ptr %a591
-  %t592 = load ptr, ptr %a1
-  %t593 = load %S.ast.Node, ptr %a2
-  %t594 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t595 = load i64, ptr %t594
-  %t596 = add i64 %t595, 1
-  %t597 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t598 = getelementptr inbounds { ptr, i64, i64 }, ptr %t597, i32 0, i32 1
-  %t599 = load i64, ptr %t598
-  %t600 = load %S.ast.Type, ptr %a591
-  %t601 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t600)
-  store { ptr, i64, i64 } { ptr @.str.4219, i64 9, i64 0 }, ptr %a603
-  store { ptr, i64, i64 } %t601, ptr %a604
-  call void @finch_str_concat(ptr %a602, ptr %a603, ptr %a604)
-  %t605 = load { ptr, i64, i64 }, ptr %a602
-  store { ptr, i64, i64 } %t605, ptr %a607
-  store { ptr, i64, i64 } { ptr @.str.4220, i64 1, i64 0 }, ptr %a608
-  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
-  %t609 = load { ptr, i64, i64 }, ptr %a606
-  %t610 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t611 = load { ptr, i64, i64 }, ptr %t610
-  store { ptr, i64, i64 } %t609, ptr %a613
-  store { ptr, i64, i64 } %t611, ptr %a614
-  call void @finch_str_concat(ptr %a612, ptr %a613, ptr %a614)
-  %t615 = load { ptr, i64, i64 }, ptr %a612
+ok6755:
+  %t557 = getelementptr inbounds %S.gen.Gen, ptr %t555, i32 0, i32 16
+  %t558 = load ptr, ptr %a1
+  %t559 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 3
+  %t560 = load { ptr, i64, i64 }, ptr %t559
+  %t561 = getelementptr inbounds %S.ast.Type, ptr %a42, i32 0, i32 2
+  %t562 = load { ptr, i64, i64 }, ptr %t561
+  %t563 = call i64 @finch.gen.findStruct(ptr %t558, { ptr, i64, i64 } %t560, { ptr, i64, i64 } %t562)
+  %t564 = load { ptr, i64, i64 }, ptr %t557
+  %t565 = extractvalue { ptr, i64, i64 } %t564, 1
+  %t566 = icmp uge i64 %t563, %t565
+  br i1 %t566, label %range6756, label %inrange6757
+range6756:
+  call void @finch_panic_index(ptr @.str.4379, i64 3752, i64 %t563, i64 %t565)
+  unreachable
+inrange6757:
+  %t567 = extractvalue { ptr, i64, i64 } %t564, 0
+  %t568 = getelementptr inbounds %S.gen.StructDef, ptr %t567, i64 %t563
+  %t569 = load %S.gen.StructDef, ptr %t568
+  store %S.gen.StructDef %t569, ptr %a570
+  call void @finch.copy.S_gen_StructDef(ptr %a571, ptr %a570)
+  %t572 = load %S.gen.StructDef, ptr %a571
+  store %S.gen.StructDef %t572, ptr %a573
+  %t574 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 11
+  %t575 = getelementptr inbounds { ptr, i64, i64 }, ptr %t574, i32 0, i32 1
+  %t576 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t577 = load { ptr, i64, i64 }, ptr %t576
+  store i64 -1, ptr %a578
+  %t579 = load i64, ptr %t575
+  %t580 = load ptr, ptr %t574
+  store i64 0, ptr %a581
+  br label %find.cond6758
+find.cond6758:
+  %t582 = load i64, ptr %a581
+  %t583 = icmp slt i64 %t582, %t579
+  br i1 %t583, label %find.body6759, label %find.end6762
+find.body6759:
+  %t584 = getelementptr inbounds { ptr, i64, i64 }, ptr %t580, i64 %t582
+  %t585 = load { ptr, i64, i64 }, ptr %t584
+  store { ptr, i64, i64 } %t585, ptr %a586
+  store { ptr, i64, i64 } %t577, ptr %a587
+  %t588 = call i32 @finch_str_eq(ptr %a586, ptr %a587)
+  %t589 = icmp ne i32 %t588, 0
+  br i1 %t589, label %find.hit6760, label %find.next6761
+find.hit6760:
+  store i64 %t582, ptr %a578
+  br label %find.end6762
+find.next6761:
+  %t590 = add i64 %t582, 1
+  store i64 %t590, ptr %a581
+  br label %find.cond6758
+find.end6762:
+  %t591 = load i64, ptr %a578
+  store i64 %t591, ptr %a592
+  %t593 = load i64, ptr %a592
+  %t594 = icmp slt i64 %t593, 0
+  br i1 %t594, label %then6763, label %endif6765
+then6763:
+  %t595 = load ptr, ptr %a1
+  %t596 = load %S.ast.Node, ptr %a2
+  %t597 = load %S.ast.Type, ptr %a42
+  %t598 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t597)
+  store { ptr, i64, i64 } { ptr @.str.4380, i64 11, i64 0 }, ptr %a600
+  store { ptr, i64, i64 } %t598, ptr %a601
+  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
+  store { ptr, i64, i64 } %t598, ptr %a602
+  call void @finch_str_drop(ptr %a602)
+  %t603 = load { ptr, i64, i64 }, ptr %a599
+  store { ptr, i64, i64 } %t603, ptr %a605
+  store { ptr, i64, i64 } { ptr @.str.4381, i64 15, i64 0 }, ptr %a606
+  call void @finch_str_concat(ptr %a604, ptr %a605, ptr %a606)
+  store { ptr, i64, i64 } %t603, ptr %a607
+  call void @finch_str_drop(ptr %a607)
+  %t608 = load { ptr, i64, i64 }, ptr %a604
+  %t609 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t610 = load { ptr, i64, i64 }, ptr %t609
+  store { ptr, i64, i64 } %t608, ptr %a612
+  store { ptr, i64, i64 } %t610, ptr %a613
+  call void @finch_str_concat(ptr %a611, ptr %a612, ptr %a613)
+  store { ptr, i64, i64 } %t608, ptr %a614
+  call void @finch_str_drop(ptr %a614)
+  %t615 = load { ptr, i64, i64 }, ptr %a611
   store { ptr, i64, i64 } %t615, ptr %a617
-  store { ptr, i64, i64 } { ptr @.str.4221, i64 4, i64 0 }, ptr %a618
+  store { ptr, i64, i64 } { ptr @.str.4382, i64 11, i64 0 }, ptr %a618
   call void @finch_str_concat(ptr %a616, ptr %a617, ptr %a618)
-  %t619 = load { ptr, i64, i64 }, ptr %a616
-  call void @finch.gen.noteRef(ptr %t592, %S.ast.Node %t593, i64 %t596, i64 %t599, { ptr, i64, i64 } %t619, { ptr, i64, i64 } { ptr @.str.4222, i64 0, i64 0 }, i64 0, i64 0)
-  %t620 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
-  %t621 = load i1, ptr %t620
-  br i1 %t621, label %then6402, label %endif6404
-then6402:
-  %t622 = load ptr, ptr %a1
-  %t623 = load ptr, ptr %a1
-  %t624 = load %S.ast.Type, ptr %a42
-  %t625 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t623, %S.ast.Type %t624)
-  store { ptr, i64, i64 } { ptr @.str.4223, i64 23, i64 0 }, ptr %a627
+  store { ptr, i64, i64 } %t615, ptr %a619
+  call void @finch_str_drop(ptr %a619)
+  %t620 = load { ptr, i64, i64 }, ptr %a616
+  %t621 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 11
+  %t622 = getelementptr inbounds { ptr, i64, i64 }, ptr %t621, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4383, i64 2, i64 0 }, ptr %a623
+  call void @finch_str_join(ptr %a624, ptr %t621, ptr %a623)
+  %t625 = load { ptr, i64, i64 }, ptr %a624
+  store { ptr, i64, i64 } %t620, ptr %a627
   store { ptr, i64, i64 } %t625, ptr %a628
   call void @finch_str_concat(ptr %a626, ptr %a627, ptr %a628)
-  %t629 = load { ptr, i64, i64 }, ptr %a626
-  store { ptr, i64, i64 } %t629, ptr %a631
-  store { ptr, i64, i64 } { ptr @.str.4224, i64 6, i64 0 }, ptr %a632
-  call void @finch_str_concat(ptr %a630, ptr %a631, ptr %a632)
-  %t633 = load { ptr, i64, i64 }, ptr %a630
-  %t634 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
-  %t635 = getelementptr inbounds %S.gen.Place, ptr %t634, i32 0, i32 0
-  %t636 = load { ptr, i64, i64 }, ptr %t635
-  store { ptr, i64, i64 } %t633, ptr %a638
-  store { ptr, i64, i64 } %t636, ptr %a639
-  call void @finch_str_concat(ptr %a637, ptr %a638, ptr %a639)
-  %t640 = load { ptr, i64, i64 }, ptr %a637
-  store { ptr, i64, i64 } %t640, ptr %a642
-  store { ptr, i64, i64 } { ptr @.str.4225, i64 13, i64 0 }, ptr %a643
-  call void @finch_str_concat(ptr %a641, ptr %a642, ptr %a643)
-  %t644 = load { ptr, i64, i64 }, ptr %a641
-  %t645 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 3
-  %t646 = load i64, ptr %a542
-  %t647 = load { ptr, i64, i64 }, ptr %t645
-  %t648 = extractvalue { ptr, i64, i64 } %t647, 1
-  %t649 = icmp uge i64 %t646, %t648
-  br i1 %t649, label %range6405, label %inrange6406
-range6405:
-  call void @finch_panic_index(ptr @.str.4226, i64 3489, i64 %t646, i64 %t648)
+  store { ptr, i64, i64 } %t620, ptr %a629
+  call void @finch_str_drop(ptr %a629)
+  store { ptr, i64, i64 } %t625, ptr %a630
+  call void @finch_str_drop(ptr %a630)
+  %t631 = load { ptr, i64, i64 }, ptr %a626
+  store { ptr, i64, i64 } %t631, ptr %a633
+  store { ptr, i64, i64 } { ptr @.str.4384, i64 1, i64 0 }, ptr %a634
+  call void @finch_str_concat(ptr %a632, ptr %a633, ptr %a634)
+  store { ptr, i64, i64 } %t631, ptr %a635
+  call void @finch_str_drop(ptr %a635)
+  %t636 = load { ptr, i64, i64 }, ptr %a632
+  call void @finch.gen.fail(ptr %t595, %S.ast.Node %t596, { ptr, i64, i64 } %t636)
+  store { ptr, i64, i64 } %t636, ptr %a637
+  call void @finch_str_drop(ptr %a637)
+  br label %endif6765
+endif6765:
+  %t638 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 12
+  %t639 = load i64, ptr %a592
+  %t640 = load { ptr, i64, i64 }, ptr %t638
+  %t641 = extractvalue { ptr, i64, i64 } %t640, 1
+  %t642 = icmp uge i64 %t639, %t641
+  br i1 %t642, label %range6766, label %inrange6767
+range6766:
+  call void @finch_panic_index(ptr @.str.4385, i64 3757, i64 %t639, i64 %t641)
   unreachable
-inrange6406:
-  %t650 = extractvalue { ptr, i64, i64 } %t647, 0
-  %t651 = getelementptr inbounds i64, ptr %t650, i64 %t646
-  %t652 = load i64, ptr %t651
-  call void @finch_str_from_int(ptr %a653, i64 %t652)
-  %t654 = load { ptr, i64, i64 }, ptr %a653
-  store { ptr, i64, i64 } %t644, ptr %a656
-  store { ptr, i64, i64 } %t654, ptr %a657
-  call void @finch_str_concat(ptr %a655, ptr %a656, ptr %a657)
-  %t658 = load { ptr, i64, i64 }, ptr %a655
-  %t659 = call { ptr, i64, i64 } @finch.gen.op(ptr %t622, { ptr, i64, i64 } %t658)
-  store { ptr, i64, i64 } %t659, ptr %a660
-  %t661 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t662 = load { ptr, i64, i64 }, ptr %a660
-  store { ptr, i64, i64 } %t662, ptr %a663
-  call void @finch_str_copy(ptr %a664, ptr %a663)
-  %t665 = load { ptr, i64, i64 }, ptr %a664
-  %t666 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t665, 0
-  %t667 = load %S.ast.Type, ptr %a591
-  store %S.ast.Type %t667, ptr %a668
-  call void @finch.copy.S_ast_Type(ptr %a669, ptr %a668)
-  %t670 = load %S.ast.Type, ptr %a669
-  %t671 = insertvalue %S.gen.Place %t666, %S.ast.Type %t670, 1
-  %t672 = insertvalue %S.gen.Ref %t661, %S.gen.Place %t671, 1
-  ret %S.gen.Ref %t672
-endif6404:
-  %t673 = load ptr, ptr %a1
-  %t674 = load ptr, ptr %a1
-  %t675 = load %S.ast.Type, ptr %a42
-  %t676 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t674, %S.ast.Type %t675)
-  store { ptr, i64, i64 } { ptr @.str.4227, i64 13, i64 0 }, ptr %a678
-  store { ptr, i64, i64 } %t676, ptr %a679
+inrange6767:
+  %t643 = extractvalue { ptr, i64, i64 } %t640, 0
+  %t644 = getelementptr inbounds %S.ast.Type, ptr %t643, i64 %t639
+  %t645 = load %S.ast.Type, ptr %t644
+  store %S.ast.Type %t645, ptr %a646
+  call void @finch.copy.S_ast_Type(ptr %a647, ptr %a646)
+  %t648 = load %S.ast.Type, ptr %a647
+  store %S.ast.Type %t648, ptr %a649
+  %t650 = load ptr, ptr %a1
+  %t651 = load %S.ast.Node, ptr %a2
+  %t652 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t653 = load i64, ptr %t652
+  %t654 = add i64 %t653, 1
+  %t655 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t656 = getelementptr inbounds { ptr, i64, i64 }, ptr %t655, i32 0, i32 1
+  %t657 = load i64, ptr %t656
+  %t658 = load %S.ast.Type, ptr %a649
+  %t659 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t658)
+  store { ptr, i64, i64 } { ptr @.str.4386, i64 9, i64 0 }, ptr %a661
+  store { ptr, i64, i64 } %t659, ptr %a662
+  call void @finch_str_concat(ptr %a660, ptr %a661, ptr %a662)
+  store { ptr, i64, i64 } %t659, ptr %a663
+  call void @finch_str_drop(ptr %a663)
+  %t664 = load { ptr, i64, i64 }, ptr %a660
+  store { ptr, i64, i64 } %t664, ptr %a666
+  store { ptr, i64, i64 } { ptr @.str.4387, i64 1, i64 0 }, ptr %a667
+  call void @finch_str_concat(ptr %a665, ptr %a666, ptr %a667)
+  store { ptr, i64, i64 } %t664, ptr %a668
+  call void @finch_str_drop(ptr %a668)
+  %t669 = load { ptr, i64, i64 }, ptr %a665
+  %t670 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t671 = load { ptr, i64, i64 }, ptr %t670
+  store { ptr, i64, i64 } %t669, ptr %a673
+  store { ptr, i64, i64 } %t671, ptr %a674
+  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
+  store { ptr, i64, i64 } %t669, ptr %a675
+  call void @finch_str_drop(ptr %a675)
+  %t676 = load { ptr, i64, i64 }, ptr %a672
+  store { ptr, i64, i64 } %t676, ptr %a678
+  store { ptr, i64, i64 } { ptr @.str.4388, i64 4, i64 0 }, ptr %a679
   call void @finch_str_concat(ptr %a677, ptr %a678, ptr %a679)
-  %t680 = load { ptr, i64, i64 }, ptr %a677
-  store { ptr, i64, i64 } %t680, ptr %a682
-  store { ptr, i64, i64 } { ptr @.str.4228, i64 1, i64 0 }, ptr %a683
-  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
-  %t684 = load { ptr, i64, i64 }, ptr %a681
-  %t685 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t686 = getelementptr inbounds %S.gen.Val, ptr %t685, i32 0, i32 0
-  %t687 = load { ptr, i64, i64 }, ptr %t686
-  store { ptr, i64, i64 } %t684, ptr %a689
-  store { ptr, i64, i64 } %t687, ptr %a690
-  call void @finch_str_concat(ptr %a688, ptr %a689, ptr %a690)
-  %t691 = load { ptr, i64, i64 }, ptr %a688
-  store { ptr, i64, i64 } %t691, ptr %a693
-  store { ptr, i64, i64 } { ptr @.str.4229, i64 2, i64 0 }, ptr %a694
-  call void @finch_str_concat(ptr %a692, ptr %a693, ptr %a694)
-  %t695 = load { ptr, i64, i64 }, ptr %a692
-  %t696 = getelementptr inbounds %S.gen.StructDef, ptr %a523, i32 0, i32 3
-  %t697 = load i64, ptr %a542
-  %t698 = load { ptr, i64, i64 }, ptr %t696
-  %t699 = extractvalue { ptr, i64, i64 } %t698, 1
-  %t700 = icmp uge i64 %t697, %t699
-  br i1 %t700, label %range6407, label %inrange6408
-range6407:
-  call void @finch_panic_index(ptr @.str.4230, i64 3492, i64 %t697, i64 %t699)
+  store { ptr, i64, i64 } %t676, ptr %a680
+  call void @finch_str_drop(ptr %a680)
+  %t681 = load { ptr, i64, i64 }, ptr %a677
+  call void @finch.gen.noteRef(ptr %t650, %S.ast.Node %t651, i64 %t654, i64 %t657, { ptr, i64, i64 } %t681, { ptr, i64, i64 } { ptr @.str.4389, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t681, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 0
+  %t684 = load i1, ptr %t683
+  br i1 %t684, label %then6768, label %endif6770
+then6768:
+  %t685 = load ptr, ptr %a1
+  %t686 = load ptr, ptr %a1
+  %t687 = load %S.ast.Type, ptr %a42
+  %t688 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t686, %S.ast.Type %t687)
+  store { ptr, i64, i64 } { ptr @.str.4390, i64 23, i64 0 }, ptr %a690
+  store { ptr, i64, i64 } %t688, ptr %a691
+  call void @finch_str_concat(ptr %a689, ptr %a690, ptr %a691)
+  store { ptr, i64, i64 } %t688, ptr %a692
+  call void @finch_str_drop(ptr %a692)
+  %t693 = load { ptr, i64, i64 }, ptr %a689
+  store { ptr, i64, i64 } %t693, ptr %a695
+  store { ptr, i64, i64 } { ptr @.str.4391, i64 6, i64 0 }, ptr %a696
+  call void @finch_str_concat(ptr %a694, ptr %a695, ptr %a696)
+  store { ptr, i64, i64 } %t693, ptr %a697
+  call void @finch_str_drop(ptr %a697)
+  %t698 = load { ptr, i64, i64 }, ptr %a694
+  %t699 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 1
+  %t700 = getelementptr inbounds %S.gen.Place, ptr %t699, i32 0, i32 0
+  %t701 = load { ptr, i64, i64 }, ptr %t700
+  store { ptr, i64, i64 } %t698, ptr %a703
+  store { ptr, i64, i64 } %t701, ptr %a704
+  call void @finch_str_concat(ptr %a702, ptr %a703, ptr %a704)
+  store { ptr, i64, i64 } %t698, ptr %a705
+  call void @finch_str_drop(ptr %a705)
+  %t706 = load { ptr, i64, i64 }, ptr %a702
+  store { ptr, i64, i64 } %t706, ptr %a708
+  store { ptr, i64, i64 } { ptr @.str.4392, i64 13, i64 0 }, ptr %a709
+  call void @finch_str_concat(ptr %a707, ptr %a708, ptr %a709)
+  store { ptr, i64, i64 } %t706, ptr %a710
+  call void @finch_str_drop(ptr %a710)
+  %t711 = load { ptr, i64, i64 }, ptr %a707
+  %t712 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 3
+  %t713 = load i64, ptr %a592
+  %t714 = load { ptr, i64, i64 }, ptr %t712
+  %t715 = extractvalue { ptr, i64, i64 } %t714, 1
+  %t716 = icmp uge i64 %t713, %t715
+  br i1 %t716, label %range6771, label %inrange6772
+range6771:
+  call void @finch_panic_index(ptr @.str.4393, i64 3760, i64 %t713, i64 %t715)
   unreachable
-inrange6408:
-  %t701 = extractvalue { ptr, i64, i64 } %t698, 0
-  %t702 = getelementptr inbounds i64, ptr %t701, i64 %t697
-  %t703 = load i64, ptr %t702
-  call void @finch_str_from_int(ptr %a704, i64 %t703)
-  %t705 = load { ptr, i64, i64 }, ptr %a704
-  store { ptr, i64, i64 } %t695, ptr %a707
-  store { ptr, i64, i64 } %t705, ptr %a708
-  call void @finch_str_concat(ptr %a706, ptr %a707, ptr %a708)
-  %t709 = load { ptr, i64, i64 }, ptr %a706
-  %t710 = call { ptr, i64, i64 } @finch.gen.op(ptr %t673, { ptr, i64, i64 } %t709)
-  store { ptr, i64, i64 } %t710, ptr %a711
-  %t712 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t712, ptr %a713
-  call void @finch_str_copy(ptr %a714, ptr %a713)
-  %t715 = load { ptr, i64, i64 }, ptr %a714
-  %t716 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t715, 0
-  %t717 = load %S.ast.Type, ptr %a591
-  store %S.ast.Type %t717, ptr %a718
-  call void @finch.copy.S_ast_Type(ptr %a719, ptr %a718)
-  %t720 = load %S.ast.Type, ptr %a719
-  %t721 = insertvalue %S.gen.Val %t716, %S.ast.Type %t720, 1
-  store %S.gen.Val %t721, ptr %a722
-  %t723 = load ptr, ptr %a1
-  %t724 = load %S.ast.Type, ptr %a591
-  %t725 = call i1 @finch.gen.owning(ptr %t723, %S.ast.Type %t724)
-  br label %logic.from6409
-logic.from6409:
-  br i1 %t725, label %logic.rhs6410, label %logic.end6411
-logic.rhs6410:
-  %t726 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
-  %t727 = getelementptr inbounds %S.gen.Val, ptr %t726, i32 0, i32 2
-  %t728 = load i1, ptr %t727
-  br label %logic.rend6412
-logic.rend6412:
-  br label %logic.end6411
-logic.end6411:
-  %t729 = phi i1 [ false, %logic.from6409 ], [ %t728, %logic.rend6412 ]
-  br i1 %t729, label %then6413, label %endif6415
-then6413:
-  %t730 = load ptr, ptr %a1
-  %t731 = load { ptr, i64, i64 }, ptr %a711
-  %t732 = load %S.ast.Type, ptr %a591
-  %t733 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t730, { ptr, i64, i64 } %t731, %S.ast.Type %t732)
-  %t734 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t733, 0
-  %t735 = load %S.ast.Type, ptr %a591
-  store %S.ast.Type %t735, ptr %a736
-  call void @finch.copy.S_ast_Type(ptr %a737, ptr %a736)
-  %t738 = load %S.ast.Type, ptr %a737
-  %t739 = insertvalue %S.gen.Val %t734, %S.ast.Type %t738, 1
-  %t740 = insertvalue %S.gen.Val %t739, i1 true, 2
-  store %S.gen.Val %t740, ptr %a722
-  br label %endif6415
-endif6415:
-  %t741 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t742 = load %S.gen.Val, ptr %a722
-  store %S.gen.Val %t742, ptr %a743
-  call void @finch.copy.S_gen_Val(ptr %a744, ptr %a743)
-  %t745 = load %S.gen.Val, ptr %a744
-  %t746 = insertvalue %S.gen.Ref %t741, %S.gen.Val %t745, 2
-  ret %S.gen.Ref %t746
+inrange6772:
+  %t717 = extractvalue { ptr, i64, i64 } %t714, 0
+  %t718 = getelementptr inbounds i64, ptr %t717, i64 %t713
+  %t719 = load i64, ptr %t718
+  call void @finch_str_from_int(ptr %a720, i64 %t719)
+  %t721 = load { ptr, i64, i64 }, ptr %a720
+  store { ptr, i64, i64 } %t711, ptr %a723
+  store { ptr, i64, i64 } %t721, ptr %a724
+  call void @finch_str_concat(ptr %a722, ptr %a723, ptr %a724)
+  store { ptr, i64, i64 } %t711, ptr %a725
+  call void @finch_str_drop(ptr %a725)
+  store { ptr, i64, i64 } %t721, ptr %a726
+  call void @finch_str_drop(ptr %a726)
+  %t727 = load { ptr, i64, i64 }, ptr %a722
+  %t728 = call { ptr, i64, i64 } @finch.gen.op(ptr %t685, { ptr, i64, i64 } %t727)
+  store { ptr, i64, i64 } %t727, ptr %a729
+  call void @finch_str_drop(ptr %a729)
+  store { ptr, i64, i64 } %t728, ptr %a730
+  %t731 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t732 = load { ptr, i64, i64 }, ptr %a730
+  store { ptr, i64, i64 } %t732, ptr %a733
+  call void @finch_str_copy(ptr %a734, ptr %a733)
+  %t735 = load { ptr, i64, i64 }, ptr %a734
+  %t736 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t735, 0
+  %t737 = load %S.ast.Type, ptr %a649
+  store %S.ast.Type %t737, ptr %a738
+  call void @finch.copy.S_ast_Type(ptr %a739, ptr %a738)
+  %t740 = load %S.ast.Type, ptr %a739
+  %t741 = insertvalue %S.gen.Place %t736, %S.ast.Type %t740, 1
+  %t742 = insertvalue %S.gen.Ref %t731, %S.gen.Place %t741, 1
+  call void @finch_str_drop(ptr %a730)
+  call void @finch.drop.S_ast_Type(ptr %a649)
+  call void @finch.drop.S_gen_StructDef(ptr %a573)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t742
+endif6770:
+  %t743 = load ptr, ptr %a1
+  %t744 = load ptr, ptr %a1
+  %t745 = load %S.ast.Type, ptr %a42
+  %t746 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t744, %S.ast.Type %t745)
+  store { ptr, i64, i64 } { ptr @.str.4394, i64 13, i64 0 }, ptr %a748
+  store { ptr, i64, i64 } %t746, ptr %a749
+  call void @finch_str_concat(ptr %a747, ptr %a748, ptr %a749)
+  store { ptr, i64, i64 } %t746, ptr %a750
+  call void @finch_str_drop(ptr %a750)
+  %t751 = load { ptr, i64, i64 }, ptr %a747
+  store { ptr, i64, i64 } %t751, ptr %a753
+  store { ptr, i64, i64 } { ptr @.str.4395, i64 1, i64 0 }, ptr %a754
+  call void @finch_str_concat(ptr %a752, ptr %a753, ptr %a754)
+  store { ptr, i64, i64 } %t751, ptr %a755
+  call void @finch_str_drop(ptr %a755)
+  %t756 = load { ptr, i64, i64 }, ptr %a752
+  %t757 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t758 = getelementptr inbounds %S.gen.Val, ptr %t757, i32 0, i32 0
+  %t759 = load { ptr, i64, i64 }, ptr %t758
+  store { ptr, i64, i64 } %t756, ptr %a761
+  store { ptr, i64, i64 } %t759, ptr %a762
+  call void @finch_str_concat(ptr %a760, ptr %a761, ptr %a762)
+  store { ptr, i64, i64 } %t756, ptr %a763
+  call void @finch_str_drop(ptr %a763)
+  %t764 = load { ptr, i64, i64 }, ptr %a760
+  store { ptr, i64, i64 } %t764, ptr %a766
+  store { ptr, i64, i64 } { ptr @.str.4396, i64 2, i64 0 }, ptr %a767
+  call void @finch_str_concat(ptr %a765, ptr %a766, ptr %a767)
+  store { ptr, i64, i64 } %t764, ptr %a768
+  call void @finch_str_drop(ptr %a768)
+  %t769 = load { ptr, i64, i64 }, ptr %a765
+  %t770 = getelementptr inbounds %S.gen.StructDef, ptr %a573, i32 0, i32 3
+  %t771 = load i64, ptr %a592
+  %t772 = load { ptr, i64, i64 }, ptr %t770
+  %t773 = extractvalue { ptr, i64, i64 } %t772, 1
+  %t774 = icmp uge i64 %t771, %t773
+  br i1 %t774, label %range6773, label %inrange6774
+range6773:
+  call void @finch_panic_index(ptr @.str.4397, i64 3763, i64 %t771, i64 %t773)
+  unreachable
+inrange6774:
+  %t775 = extractvalue { ptr, i64, i64 } %t772, 0
+  %t776 = getelementptr inbounds i64, ptr %t775, i64 %t771
+  %t777 = load i64, ptr %t776
+  call void @finch_str_from_int(ptr %a778, i64 %t777)
+  %t779 = load { ptr, i64, i64 }, ptr %a778
+  store { ptr, i64, i64 } %t769, ptr %a781
+  store { ptr, i64, i64 } %t779, ptr %a782
+  call void @finch_str_concat(ptr %a780, ptr %a781, ptr %a782)
+  store { ptr, i64, i64 } %t769, ptr %a783
+  call void @finch_str_drop(ptr %a783)
+  store { ptr, i64, i64 } %t779, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = load { ptr, i64, i64 }, ptr %a780
+  %t786 = call { ptr, i64, i64 } @finch.gen.op(ptr %t743, { ptr, i64, i64 } %t785)
+  store { ptr, i64, i64 } %t785, ptr %a787
+  call void @finch_str_drop(ptr %a787)
+  store { ptr, i64, i64 } %t786, ptr %a788
+  %t789 = load { ptr, i64, i64 }, ptr %a788
+  store { ptr, i64, i64 } %t789, ptr %a790
+  call void @finch_str_copy(ptr %a791, ptr %a790)
+  %t792 = load { ptr, i64, i64 }, ptr %a791
+  %t793 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t792, 0
+  %t794 = load %S.ast.Type, ptr %a649
+  store %S.ast.Type %t794, ptr %a795
+  call void @finch.copy.S_ast_Type(ptr %a796, ptr %a795)
+  %t797 = load %S.ast.Type, ptr %a796
+  %t798 = insertvalue %S.gen.Val %t793, %S.ast.Type %t797, 1
+  store %S.gen.Val %t798, ptr %a799
+  %t800 = load ptr, ptr %a1
+  %t801 = load %S.ast.Type, ptr %a649
+  %t802 = call i1 @finch.gen.owning(ptr %t800, %S.ast.Type %t801)
+  br label %logic.from6775
+logic.from6775:
+  br i1 %t802, label %logic.rhs6776, label %logic.end6777
+logic.rhs6776:
+  %t803 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t804 = getelementptr inbounds %S.gen.Val, ptr %t803, i32 0, i32 2
+  %t805 = load i1, ptr %t804
+  br label %logic.rend6778
+logic.rend6778:
+  br label %logic.end6777
+logic.end6777:
+  %t806 = phi i1 [ false, %logic.from6775 ], [ %t805, %logic.rend6778 ]
+  br i1 %t806, label %then6779, label %endif6781
+then6779:
+  %t807 = load ptr, ptr %a1
+  %t808 = load { ptr, i64, i64 }, ptr %a788
+  %t809 = load %S.ast.Type, ptr %a649
+  %t810 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t807, { ptr, i64, i64 } %t808, %S.ast.Type %t809)
+  %t811 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t810, 0
+  %t812 = load %S.ast.Type, ptr %a649
+  store %S.ast.Type %t812, ptr %a813
+  call void @finch.copy.S_ast_Type(ptr %a814, ptr %a813)
+  %t815 = load %S.ast.Type, ptr %a814
+  %t816 = insertvalue %S.gen.Val %t811, %S.ast.Type %t815, 1
+  %t817 = insertvalue %S.gen.Val %t816, i1 true, 2
+  %t818 = load %S.gen.Val, ptr %a799
+  store %S.gen.Val %t817, ptr %a799
+  store %S.gen.Val %t818, ptr %a819
+  call void @finch.drop.S_gen_Val(ptr %a819)
+  br label %endif6781
+endif6781:
+  %t820 = load ptr, ptr %a1
+  %t821 = getelementptr inbounds %S.gen.Ref, ptr %a35, i32 0, i32 2
+  %t822 = load %S.gen.Val, ptr %t821
+  call void @finch.gen.release(ptr %t820, %S.gen.Val %t822)
+  %t823 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t824 = load %S.gen.Val, ptr %a799
+  store %S.gen.Val %t824, ptr %a825
+  call void @finch.copy.S_gen_Val(ptr %a826, ptr %a825)
+  %t827 = load %S.gen.Val, ptr %a826
+  %t828 = insertvalue %S.gen.Ref %t823, %S.gen.Val %t827, 2
+  call void @finch.drop.S_gen_Val(ptr %a799)
+  call void @finch_str_drop(ptr %a788)
+  call void @finch.drop.S_ast_Type(ptr %a649)
+  call void @finch.drop.S_gen_StructDef(ptr %a573)
+  call void @finch.drop.S_ast_Type(ptr %a42)
+  call void @finch.drop.S_gen_Ref(ptr %a35)
+  ret %S.gen.Ref %t828
 }
 
 define internal %S.gen.Ref @finch.gen.index(ptr %p0, %S.ast.Node %p1, i1 %p2) {
@@ -57607,134 +68070,8 @@ entry:
   %a2 = alloca %S.ast.Node, align 16
   %a3 = alloca i1, align 16
   %a14 = alloca %S.gen.Ref, align 16
-  %a18 = alloca %S.ast.Type, align 16
-  %a19 = alloca %S.ast.Type, align 16
-  %a21 = alloca %S.ast.Type, align 16
-  %a27 = alloca %S.ast.Type, align 16
-  %a28 = alloca %S.ast.Type, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca %S.ast.Type, align 16
-  %a134 = alloca %S.ast.Type, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca %S.ast.Type, align 16
-  %a172 = alloca %S.ast.Type, align 16
-  %a174 = alloca %S.ast.Type, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca %S.ast.Type, align 16
-  %a206 = alloca %S.ast.Type, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca %S.ast.Type, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca %S.ast.Type, align 16
-  %a247 = alloca %S.ast.Type, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a291 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a310 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca %S.ast.Type, align 16
-  %a354 = alloca %S.ast.Type, align 16
-  %a364 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca %S.ast.Type, align 16
-  %a372 = alloca %S.ast.Type, align 16
-  %a375 = alloca %S.gen.Val, align 16
-  %a389 = alloca %S.ast.Type, align 16
-  %a390 = alloca %S.ast.Type, align 16
-  %a396 = alloca %S.gen.Val, align 16
-  %a397 = alloca %S.gen.Val, align 16
+  %a20 = alloca i64, align 16
+  %a32 = alloca %S.gen.Ref, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -57743,523 +68080,847 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range6416, label %inrange6417
-range6416:
-  call void @finch_panic_index(ptr @.str.4231, i64 3501, i64 0, i64 %t7)
+  br i1 %t8, label %range6782, label %inrange6783
+range6782:
+  call void @finch_panic_index(ptr @.str.4398, i64 3773, i64 0, i64 %t7)
   unreachable
-inrange6417:
+inrange6783:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Node, ptr %t9, i64 0
   %t11 = load %S.ast.Node, ptr %t10
   %t12 = load i1, ptr %a3
   %t13 = call %S.gen.Ref @finch.gen.ref(ptr %t4, %S.ast.Node %t11, i1 %t12)
   store %S.gen.Ref %t13, ptr %a14
-  %t15 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t16 = getelementptr inbounds %S.gen.Val, ptr %t15, i32 0, i32 1
-  %t17 = load %S.ast.Type, ptr %t16
-  store %S.ast.Type %t17, ptr %a18
-  call void @finch.copy.S_ast_Type(ptr %a19, ptr %a18)
-  %t20 = load %S.ast.Type, ptr %a19
+  %t15 = load ptr, ptr %a1
+  %t16 = icmp eq ptr %t15, null
+  br i1 %t16, label %panic6784, label %ok6785
+panic6784:
+  call void @finch_panic(ptr @.str.4399, i64 3774, ptr @.str.4400)
+  unreachable
+ok6785:
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 11
+  %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
+  %t19 = load i64, ptr %t18
+  store i64 %t19, ptr %a20
+  %t21 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
+  %t22 = load i1, ptr %t21
+  %t23 = xor i1 %t22, true
+  br i1 %t23, label %then6786, label %endif6788
+then6786:
+  %t24 = load ptr, ptr %a1
+  %t25 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
+  %t26 = load %S.gen.Val, ptr %t25
+  call void @finch.gen.hold(ptr %t24, %S.gen.Val %t26)
+  br label %endif6788
+endif6788:
+  %t27 = load ptr, ptr %a1
+  %t28 = load %S.ast.Node, ptr %a2
+  %t29 = load %S.gen.Ref, ptr %a14
+  %t30 = load i1, ptr %a3
+  %t31 = call %S.gen.Ref @finch.gen.indexOf(ptr %t27, %S.ast.Node %t28, %S.gen.Ref %t29, i1 %t30)
+  store %S.gen.Ref %t31, ptr %a32
+  %t33 = load ptr, ptr %a1
+  %t34 = load i64, ptr %a20
+  call void @finch.gen.heldEnd(ptr %t33, i64 %t34)
+  %t35 = load %S.gen.Ref, ptr %a32
+  call void @finch.drop.S_gen_Ref(ptr %a14)
+  ret %S.gen.Ref %t35
+}
+
+define internal %S.gen.Ref @finch.gen.indexOf(ptr %p0, %S.ast.Node %p1, %S.gen.Ref %p2, i1 %p3) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca %S.ast.Node, align 16
+  %a3 = alloca %S.gen.Ref, align 16
+  %a4 = alloca i1, align 16
+  %a8 = alloca %S.ast.Type, align 16
+  %a9 = alloca %S.ast.Type, align 16
+  %a11 = alloca %S.ast.Type, align 16
+  %a17 = alloca %S.ast.Type, align 16
+  %a18 = alloca %S.ast.Type, align 16
+  %a21 = alloca %S.ast.Type, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca %S.gen.Val, align 16
+  %a54 = alloca %S.ast.Type, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca %S.gen.Val, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca %S.ast.Type, align 16
+  %a140 = alloca %S.ast.Type, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca %S.ast.Type, align 16
+  %a180 = alloca %S.ast.Type, align 16
+  %a182 = alloca %S.ast.Type, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a220 = alloca %S.ast.Type, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca %S.ast.Type, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca %S.ast.Type, align 16
+  %a263 = alloca %S.ast.Type, align 16
+  %a266 = alloca %S.ast.Type, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca %S.ast.Type, align 16
+  %a386 = alloca %S.ast.Type, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca %S.ast.Type, align 16
+  %a405 = alloca %S.ast.Type, align 16
+  %a408 = alloca %S.gen.Val, align 16
+  %a422 = alloca %S.ast.Type, align 16
+  %a423 = alloca %S.ast.Type, align 16
+  %a428 = alloca %S.gen.Val, align 16
+  %a434 = alloca %S.gen.Val, align 16
+  %a435 = alloca %S.gen.Val, align 16
+  store ptr %p0, ptr %a1
+  store %S.ast.Node %p1, ptr %a2
+  store %S.gen.Ref %p2, ptr %a3
+  store i1 %p3, ptr %a4
+  %t5 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t6 = getelementptr inbounds %S.gen.Val, ptr %t5, i32 0, i32 1
+  %t7 = load %S.ast.Type, ptr %t6
+  store %S.ast.Type %t7, ptr %a8
+  call void @finch.copy.S_ast_Type(ptr %a9, ptr %a8)
+  %t10 = load %S.ast.Type, ptr %a9
+  store %S.ast.Type %t10, ptr %a11
+  %t12 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t13 = load i1, ptr %t12
+  br i1 %t13, label %then6789, label %endif6791
+then6789:
+  %t14 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t15 = getelementptr inbounds %S.gen.Place, ptr %t14, i32 0, i32 1
+  %t16 = load %S.ast.Type, ptr %t15
+  store %S.ast.Type %t16, ptr %a17
+  call void @finch.copy.S_ast_Type(ptr %a18, ptr %a17)
+  %t19 = load %S.ast.Type, ptr %a18
+  %t20 = load %S.ast.Type, ptr %a11
+  store %S.ast.Type %t19, ptr %a11
   store %S.ast.Type %t20, ptr %a21
-  %t22 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t23 = load i1, ptr %t22
-  br i1 %t23, label %then6418, label %endif6420
-then6418:
-  %t24 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t25 = getelementptr inbounds %S.gen.Place, ptr %t24, i32 0, i32 1
-  %t26 = load %S.ast.Type, ptr %t25
-  store %S.ast.Type %t26, ptr %a27
-  call void @finch.copy.S_ast_Type(ptr %a28, ptr %a27)
-  %t29 = load %S.ast.Type, ptr %a28
-  store %S.ast.Type %t29, ptr %a21
-  br label %endif6420
-endif6420:
-  %t30 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t31 = load { ptr, i64, i64 }, ptr %t30
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.4232, i64 3, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br i1 %t35, label %then6421, label %endif6423
-then6421:
-  %t36 = load ptr, ptr %a1
-  %t37 = load %S.ast.Node, ptr %a2
-  %t38 = load %S.gen.Ref, ptr %a14
-  %t39 = load %S.ast.Type, ptr %a21
-  %t40 = load i1, ptr %a3
-  %t41 = call %S.gen.Ref @finch.gen.mapIndex(ptr %t36, %S.ast.Node %t37, %S.gen.Ref %t38, %S.ast.Type %t39, i1 %t40)
-  ret %S.gen.Ref %t41
-endif6423:
-  %t42 = load ptr, ptr %a1
-  %t43 = load ptr, ptr %a1
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t45 = load { ptr, i64, i64 }, ptr %t44
-  %t46 = extractvalue { ptr, i64, i64 } %t45, 1
-  %t47 = icmp uge i64 1, %t46
-  br i1 %t47, label %range6424, label %inrange6425
-range6424:
-  call void @finch_panic_index(ptr @.str.4233, i64 3509, i64 1, i64 %t46)
+  call void @finch.drop.S_ast_Type(ptr %a21)
+  br label %endif6791
+endif6791:
+  %t22 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t23 = load { ptr, i64, i64 }, ptr %t22
+  store { ptr, i64, i64 } %t23, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.4401, i64 3, i64 0 }, ptr %a25
+  %t26 = call i32 @finch_str_eq(ptr %a24, ptr %a25)
+  %t27 = icmp ne i32 %t26, 0
+  br i1 %t27, label %then6792, label %endif6794
+then6792:
+  %t28 = load ptr, ptr %a1
+  %t29 = load %S.ast.Node, ptr %a2
+  %t30 = load %S.gen.Ref, ptr %a3
+  %t31 = load %S.ast.Type, ptr %a11
+  %t32 = load i1, ptr %a4
+  %t33 = call %S.gen.Ref @finch.gen.mapIndex(ptr %t28, %S.ast.Node %t29, %S.gen.Ref %t30, %S.ast.Type %t31, i1 %t32)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t33
+endif6794:
+  %t34 = load ptr, ptr %a1
+  %t35 = load ptr, ptr %a1
+  %t36 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t37 = load { ptr, i64, i64 }, ptr %t36
+  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
+  %t39 = icmp uge i64 1, %t38
+  br i1 %t39, label %range6795, label %inrange6796
+range6795:
+  call void @finch_panic_index(ptr @.str.4402, i64 3791, i64 1, i64 %t38)
   unreachable
-inrange6425:
-  %t48 = extractvalue { ptr, i64, i64 } %t45, 0
-  %t49 = getelementptr inbounds %S.ast.Node, ptr %t48, i64 1
-  %t50 = load %S.ast.Node, ptr %t49
-  %t51 = call %S.gen.Val @finch.gen.expr(ptr %t43, %S.ast.Node %t50)
-  %t52 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4234, i64 3, i64 0 })
-  %t53 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  %t55 = extractvalue { ptr, i64, i64 } %t54, 1
-  %t56 = icmp uge i64 1, %t55
-  br i1 %t56, label %range6426, label %inrange6427
-range6426:
-  call void @finch_panic_index(ptr @.str.4235, i64 3509, i64 1, i64 %t55)
+inrange6796:
+  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
+  %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 1
+  %t42 = load %S.ast.Node, ptr %t41
+  %t43 = call %S.gen.Val @finch.gen.expr(ptr %t35, %S.ast.Node %t42)
+  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4403, i64 3, i64 0 })
+  %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t46 = load { ptr, i64, i64 }, ptr %t45
+  %t47 = extractvalue { ptr, i64, i64 } %t46, 1
+  %t48 = icmp uge i64 1, %t47
+  br i1 %t48, label %range6797, label %inrange6798
+range6797:
+  call void @finch_panic_index(ptr @.str.4404, i64 3791, i64 1, i64 %t47)
   unreachable
-inrange6427:
-  %t57 = extractvalue { ptr, i64, i64 } %t54, 0
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %t57, i64 1
-  %t59 = load %S.ast.Node, ptr %t58
-  %t60 = call %S.gen.Val @finch.gen.coerce(ptr %t42, %S.gen.Val %t51, %S.ast.Type %t52, %S.ast.Node %t59, { ptr, i64, i64 } { ptr @.str.4236, i64 8, i64 0 })
-  %t61 = extractvalue %S.gen.Val %t60, 0
-  store { ptr, i64, i64 } %t61, ptr %a62
-  call void @finch_str_copy(ptr %a63, ptr %a62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t64, ptr %a65
-  %t66 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.4237, i64 5, i64 0 }, ptr %a69
-  %t70 = call i32 @finch_str_eq(ptr %a68, ptr %a69)
-  %t71 = icmp ne i32 %t70, 0
-  br i1 %t71, label %then6428, label %endif6430
-then6428:
-  store { ptr, i64, i64 } { ptr @.str.4238, i64 0, i64 0 }, ptr %a72
-  %t73 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t74 = load i1, ptr %t73
-  br i1 %t74, label %then6431, label %else6432
-then6431:
-  %t75 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t76 = getelementptr inbounds %S.gen.Place, ptr %t75, i32 0, i32 0
-  %t77 = load { ptr, i64, i64 }, ptr %t76
-  store { ptr, i64, i64 } %t77, ptr %a78
-  call void @finch_str_copy(ptr %a79, ptr %a78)
-  %t80 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t80, ptr %a72
-  br label %endif6433
-else6432:
-  %t81 = load ptr, ptr %a1
-  %t82 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t83 = load %S.gen.Val, ptr %t82
-  %t84 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t81, %S.gen.Val %t83)
-  store { ptr, i64, i64 } %t84, ptr %a72
-  br label %endif6433
-endif6433:
-  %t85 = load ptr, ptr %a1
-  %t86 = load { ptr, i64, i64 }, ptr %a65
-  %t87 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 4
-  %t88 = load i64, ptr %t87
-  call void @finch_str_from_int(ptr %a89, i64 %t88)
-  %t90 = load { ptr, i64, i64 }, ptr %a89
-  %t91 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.boundsCheck(ptr %t85, { ptr, i64, i64 } %t86, { ptr, i64, i64 } %t90, %S.ast.Node %t91)
+inrange6798:
+  %t49 = extractvalue { ptr, i64, i64 } %t46, 0
+  %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 1
+  %t51 = load %S.ast.Node, ptr %t50
+  %t52 = call %S.gen.Val @finch.gen.coerce(ptr %t34, %S.gen.Val %t43, %S.ast.Type %t44, %S.ast.Node %t51, { ptr, i64, i64 } { ptr @.str.4405, i64 8, i64 0 })
+  store %S.gen.Val %t43, ptr %a53
+  call void @finch.drop.S_gen_Val(ptr %a53)
+  store %S.ast.Type %t44, ptr %a54
+  call void @finch.drop.S_ast_Type(ptr %a54)
+  %t55 = extractvalue %S.gen.Val %t52, 0
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_copy(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  store %S.gen.Val %t52, ptr %a59
+  call void @finch.drop.S_gen_Val(ptr %a59)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  %t61 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.4406, i64 5, i64 0 }, ptr %a64
+  %t65 = call i32 @finch_str_eq(ptr %a63, ptr %a64)
+  %t66 = icmp ne i32 %t65, 0
+  br i1 %t66, label %then6799, label %endif6801
+then6799:
+  store { ptr, i64, i64 } { ptr @.str.4407, i64 0, i64 0 }, ptr %a67
+  %t68 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t69 = load i1, ptr %t68
+  br i1 %t69, label %then6802, label %else6803
+then6802:
+  %t70 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t71 = getelementptr inbounds %S.gen.Place, ptr %t70, i32 0, i32 0
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  store { ptr, i64, i64 } %t72, ptr %a73
+  call void @finch_str_copy(ptr %a74, ptr %a73)
+  %t75 = load { ptr, i64, i64 }, ptr %a74
+  %t76 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t75, ptr %a67
+  store { ptr, i64, i64 } %t76, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  br label %endif6804
+else6803:
+  %t78 = load ptr, ptr %a1
+  %t79 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t80 = load %S.gen.Val, ptr %t79
+  %t81 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t78, %S.gen.Val %t80)
+  %t82 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t81, ptr %a67
+  store { ptr, i64, i64 } %t82, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  br label %endif6804
+endif6804:
+  %t84 = load ptr, ptr %a1
+  %t85 = load { ptr, i64, i64 }, ptr %a60
+  %t86 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 4
+  %t87 = load i64, ptr %t86
+  call void @finch_str_from_int(ptr %a88, i64 %t87)
+  %t89 = load { ptr, i64, i64 }, ptr %a88
+  %t90 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.boundsCheck(ptr %t84, { ptr, i64, i64 } %t85, { ptr, i64, i64 } %t89, %S.ast.Node %t90)
+  store { ptr, i64, i64 } %t89, ptr %a91
+  call void @finch_str_drop(ptr %a91)
   %t92 = load ptr, ptr %a1
   %t93 = load ptr, ptr %a1
-  %t94 = load %S.ast.Type, ptr %a21
+  %t94 = load %S.ast.Type, ptr %a11
   %t95 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t93, %S.ast.Type %t94)
-  store { ptr, i64, i64 } { ptr @.str.4239, i64 23, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.4408, i64 23, i64 0 }, ptr %a97
   store { ptr, i64, i64 } %t95, ptr %a98
   call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t99, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.4240, i64 6, i64 0 }, ptr %a102
-  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  %t104 = load { ptr, i64, i64 }, ptr %a72
-  store { ptr, i64, i64 } %t103, ptr %a106
-  store { ptr, i64, i64 } %t104, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4241, i64 13, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t112, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = call { ptr, i64, i64 } @finch.gen.op(ptr %t92, { ptr, i64, i64 } %t117)
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t121 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t121, ptr %a122
-  call void @finch_str_copy(ptr %a123, ptr %a122)
-  %t124 = load { ptr, i64, i64 }, ptr %a123
-  %t125 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t124, 0
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  %t128 = extractvalue { ptr, i64, i64 } %t127, 1
-  %t129 = icmp uge i64 0, %t128
-  br i1 %t129, label %range6434, label %inrange6435
-range6434:
-  call void @finch_panic_index(ptr @.str.4242, i64 3519, i64 0, i64 %t128)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.4409, i64 6, i64 0 }, ptr %a103
+  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  %t106 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t105, ptr %a108
+  store { ptr, i64, i64 } %t106, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t105, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  store { ptr, i64, i64 } %t111, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.4410, i64 13, i64 0 }, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  store { ptr, i64, i64 } %t111, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a112
+  %t117 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t116, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t116, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  %t123 = call { ptr, i64, i64 } @finch.gen.op(ptr %t92, { ptr, i64, i64 } %t122)
+  store { ptr, i64, i64 } %t122, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  store { ptr, i64, i64 } %t123, ptr %a125
+  %t126 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t127 = load { ptr, i64, i64 }, ptr %a125
+  store { ptr, i64, i64 } %t127, ptr %a128
+  call void @finch_str_copy(ptr %a129, ptr %a128)
+  %t130 = load { ptr, i64, i64 }, ptr %a129
+  %t131 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t130, 0
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  %t134 = extractvalue { ptr, i64, i64 } %t133, 1
+  %t135 = icmp uge i64 0, %t134
+  br i1 %t135, label %range6805, label %inrange6806
+range6805:
+  call void @finch_panic_index(ptr @.str.4411, i64 3801, i64 0, i64 %t134)
   unreachable
-inrange6435:
-  %t130 = extractvalue { ptr, i64, i64 } %t127, 0
-  %t131 = getelementptr inbounds %S.ast.Type, ptr %t130, i64 0
-  %t132 = load %S.ast.Type, ptr %t131
-  store %S.ast.Type %t132, ptr %a133
-  call void @finch.copy.S_ast_Type(ptr %a134, ptr %a133)
-  %t135 = load %S.ast.Type, ptr %a134
-  %t136 = insertvalue %S.gen.Place %t125, %S.ast.Type %t135, 1
-  %t137 = insertvalue %S.gen.Ref %t120, %S.gen.Place %t136, 1
-  ret %S.gen.Ref %t137
-endif6430:
-  %t138 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t139 = load { ptr, i64, i64 }, ptr %t138
-  store { ptr, i64, i64 } %t139, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.4243, i64 3, i64 0 }, ptr %a141
-  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
-  %t143 = icmp ne i32 %t142, 0
-  br i1 %t143, label %then6436, label %endif6438
-then6436:
-  %t144 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
-  %t146 = load i64, ptr %t145
-  %t147 = icmp eq i64 %t146, 0
-  br i1 %t147, label %then6439, label %endif6441
-then6439:
-  %t148 = load ptr, ptr %a1
-  %t149 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t148, %S.ast.Node %t149, { ptr, i64, i64 } { ptr @.str.4244, i64 57, i64 0 })
-  br label %endif6441
-endif6441:
-  %t150 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t151 = getelementptr inbounds %S.gen.Val, ptr %t150, i32 0, i32 0
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t152, ptr %a153
-  call void @finch_str_copy(ptr %a154, ptr %a153)
-  %t155 = load { ptr, i64, i64 }, ptr %a154
-  store { ptr, i64, i64 } %t155, ptr %a156
-  %t157 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t158 = load i1, ptr %t157
-  br i1 %t158, label %then6442, label %endif6444
-then6442:
-  %t159 = load ptr, ptr %a1
-  %t160 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t161 = getelementptr inbounds %S.gen.Place, ptr %t160, i32 0, i32 0
-  %t162 = load { ptr, i64, i64 }, ptr %t161
-  %t163 = call { ptr, i64, i64 } @finch.gen.load(ptr %t159, { ptr, i64, i64 } { ptr @.str.4245, i64 3, i64 0 }, { ptr, i64, i64 } %t162)
-  store { ptr, i64, i64 } %t163, ptr %a156
-  br label %endif6444
-endif6444:
-  %t164 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t165 = load { ptr, i64, i64 }, ptr %t164
-  %t166 = extractvalue { ptr, i64, i64 } %t165, 1
-  %t167 = icmp uge i64 0, %t166
-  br i1 %t167, label %range6445, label %inrange6446
-range6445:
-  call void @finch_panic_index(ptr @.str.4246, i64 3529, i64 0, i64 %t166)
+inrange6806:
+  %t136 = extractvalue { ptr, i64, i64 } %t133, 0
+  %t137 = getelementptr inbounds %S.ast.Type, ptr %t136, i64 0
+  %t138 = load %S.ast.Type, ptr %t137
+  store %S.ast.Type %t138, ptr %a139
+  call void @finch.copy.S_ast_Type(ptr %a140, ptr %a139)
+  %t141 = load %S.ast.Type, ptr %a140
+  %t142 = insertvalue %S.gen.Place %t131, %S.ast.Type %t141, 1
+  %t143 = insertvalue %S.gen.Ref %t126, %S.gen.Place %t142, 1
+  call void @finch_str_drop(ptr %a125)
+  call void @finch_str_drop(ptr %a67)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t143
+endif6801:
+  %t144 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  store { ptr, i64, i64 } %t145, ptr %a146
+  store { ptr, i64, i64 } { ptr @.str.4412, i64 3, i64 0 }, ptr %a147
+  %t148 = call i32 @finch_str_eq(ptr %a146, ptr %a147)
+  %t149 = icmp ne i32 %t148, 0
+  br i1 %t149, label %then6807, label %endif6809
+then6807:
+  %t150 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %t150, i32 0, i32 1
+  %t152 = load i64, ptr %t151
+  %t153 = icmp eq i64 %t152, 0
+  br i1 %t153, label %then6810, label %endif6812
+then6810:
+  %t154 = load ptr, ptr %a1
+  %t155 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t154, %S.ast.Node %t155, { ptr, i64, i64 } { ptr @.str.4413, i64 57, i64 0 })
+  br label %endif6812
+endif6812:
+  %t156 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t157 = getelementptr inbounds %S.gen.Val, ptr %t156, i32 0, i32 0
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  store { ptr, i64, i64 } %t158, ptr %a159
+  call void @finch_str_copy(ptr %a160, ptr %a159)
+  %t161 = load { ptr, i64, i64 }, ptr %a160
+  store { ptr, i64, i64 } %t161, ptr %a162
+  %t163 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t164 = load i1, ptr %t163
+  br i1 %t164, label %then6813, label %endif6815
+then6813:
+  %t165 = load ptr, ptr %a1
+  %t166 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t167 = getelementptr inbounds %S.gen.Place, ptr %t166, i32 0, i32 0
+  %t168 = load { ptr, i64, i64 }, ptr %t167
+  %t169 = call { ptr, i64, i64 } @finch.gen.load(ptr %t165, { ptr, i64, i64 } { ptr @.str.4414, i64 3, i64 0 }, { ptr, i64, i64 } %t168)
+  %t170 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } %t169, ptr %a162
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  br label %endif6815
+endif6815:
+  %t172 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t173 = load { ptr, i64, i64 }, ptr %t172
+  %t174 = extractvalue { ptr, i64, i64 } %t173, 1
+  %t175 = icmp uge i64 0, %t174
+  br i1 %t175, label %range6816, label %inrange6817
+range6816:
+  call void @finch_panic_index(ptr @.str.4415, i64 3811, i64 0, i64 %t174)
   unreachable
-inrange6446:
-  %t168 = extractvalue { ptr, i64, i64 } %t165, 0
-  %t169 = getelementptr inbounds %S.ast.Type, ptr %t168, i64 0
-  %t170 = load %S.ast.Type, ptr %t169
-  store %S.ast.Type %t170, ptr %a171
-  call void @finch.copy.S_ast_Type(ptr %a172, ptr %a171)
-  %t173 = load %S.ast.Type, ptr %a172
-  store %S.ast.Type %t173, ptr %a174
-  %t175 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t176 = load ptr, ptr %a1
-  %t177 = load ptr, ptr %a1
-  %t178 = load %S.ast.Type, ptr %a174
-  %t179 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t177, %S.ast.Type %t178)
-  store { ptr, i64, i64 } { ptr @.str.4247, i64 23, i64 0 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.4248, i64 6, i64 0 }, ptr %a186
-  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  %t188 = load { ptr, i64, i64 }, ptr %a156
+inrange6817:
+  %t176 = extractvalue { ptr, i64, i64 } %t173, 0
+  %t177 = getelementptr inbounds %S.ast.Type, ptr %t176, i64 0
+  %t178 = load %S.ast.Type, ptr %t177
+  store %S.ast.Type %t178, ptr %a179
+  call void @finch.copy.S_ast_Type(ptr %a180, ptr %a179)
+  %t181 = load %S.ast.Type, ptr %a180
+  store %S.ast.Type %t181, ptr %a182
+  %t183 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t184 = load ptr, ptr %a1
+  %t185 = load ptr, ptr %a1
+  %t186 = load %S.ast.Type, ptr %a182
+  %t187 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t185, %S.ast.Type %t186)
+  store { ptr, i64, i64 } { ptr @.str.4416, i64 23, i64 0 }, ptr %a189
   store { ptr, i64, i64 } %t187, ptr %a190
-  store { ptr, i64, i64 } %t188, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
   store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } { ptr @.str.4249, i64 6, i64 0 }, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4417, i64 6, i64 0 }, ptr %a195
   call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
-  %t196 = load { ptr, i64, i64 }, ptr %a193
-  %t197 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t196, ptr %a199
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load { ptr, i64, i64 }, ptr %a193
+  %t198 = load { ptr, i64, i64 }, ptr %a162
   store { ptr, i64, i64 } %t197, ptr %a200
-  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
-  %t201 = load { ptr, i64, i64 }, ptr %a198
-  %t202 = call { ptr, i64, i64 } @finch.gen.op(ptr %t176, { ptr, i64, i64 } %t201)
-  %t203 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t202, 0
-  %t204 = load %S.ast.Type, ptr %a174
-  store %S.ast.Type %t204, ptr %a205
-  call void @finch.copy.S_ast_Type(ptr %a206, ptr %a205)
-  %t207 = load %S.ast.Type, ptr %a206
-  %t208 = insertvalue %S.gen.Place %t203, %S.ast.Type %t207, 1
-  %t209 = insertvalue %S.gen.Ref %t175, %S.gen.Place %t208, 1
-  ret %S.gen.Ref %t209
-endif6438:
-  %t210 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t211 = load { ptr, i64, i64 }, ptr %t210
-  store { ptr, i64, i64 } %t211, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.4250, i64 5, i64 0 }, ptr %a213
-  %t214 = call i32 @finch_str_eq(ptr %a212, ptr %a213)
-  %t215 = icmp eq i32 %t214, 0
-  br label %logic.from6447
-logic.from6447:
-  br i1 %t215, label %logic.rhs6448, label %logic.end6449
-logic.rhs6448:
-  %t216 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  store { ptr, i64, i64 } %t217, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.4251, i64 3, i64 0 }, ptr %a219
-  %t220 = call i32 @finch_str_eq(ptr %a218, ptr %a219)
-  %t221 = icmp eq i32 %t220, 0
-  br label %logic.rend6450
-logic.rend6450:
-  br label %logic.end6449
-logic.end6449:
-  %t222 = phi i1 [ false, %logic.from6447 ], [ %t221, %logic.rend6450 ]
-  br i1 %t222, label %then6451, label %endif6453
-then6451:
-  %t223 = load ptr, ptr %a1
-  %t224 = load %S.ast.Node, ptr %a2
-  %t225 = load %S.ast.Type, ptr %a21
-  %t226 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t225)
-  store { ptr, i64, i64 } { ptr @.str.4252, i64 46, i64 0 }, ptr %a228
-  store { ptr, i64, i64 } %t226, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  call void @finch.gen.fail(ptr %t223, %S.ast.Node %t224, { ptr, i64, i64 } %t230)
-  br label %endif6453
-endif6453:
-  %t231 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4253, i64 4, i64 0 })
-  store %S.ast.Type %t231, ptr %a232
-  %t233 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
-  %t234 = load { ptr, i64, i64 }, ptr %t233
-  store { ptr, i64, i64 } %t234, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.4254, i64 5, i64 0 }, ptr %a236
-  %t237 = call i32 @finch_str_eq(ptr %a235, ptr %a236)
-  %t238 = icmp ne i32 %t237, 0
-  br i1 %t238, label %then6454, label %endif6456
-then6454:
-  %t239 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 1
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  %t241 = extractvalue { ptr, i64, i64 } %t240, 1
-  %t242 = icmp uge i64 0, %t241
-  br i1 %t242, label %range6457, label %inrange6458
-range6457:
-  call void @finch_panic_index(ptr @.str.4255, i64 3537, i64 0, i64 %t241)
-  unreachable
-inrange6458:
-  %t243 = extractvalue { ptr, i64, i64 } %t240, 0
-  %t244 = getelementptr inbounds %S.ast.Type, ptr %t243, i64 0
-  %t245 = load %S.ast.Type, ptr %t244
-  store %S.ast.Type %t245, ptr %a246
-  call void @finch.copy.S_ast_Type(ptr %a247, ptr %a246)
-  %t248 = load %S.ast.Type, ptr %a247
-  store %S.ast.Type %t248, ptr %a232
-  br label %endif6456
-endif6456:
-  %t249 = getelementptr inbounds %S.ast.Type, ptr %a21, i32 0, i32 0
+  store { ptr, i64, i64 } %t198, ptr %a201
+  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
+  store { ptr, i64, i64 } %t197, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } %t203, ptr %a205
+  store { ptr, i64, i64 } { ptr @.str.4418, i64 6, i64 0 }, ptr %a206
+  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
+  store { ptr, i64, i64 } %t203, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a204
+  %t209 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t208, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
+  call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
+  store { ptr, i64, i64 } %t208, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  %t214 = load { ptr, i64, i64 }, ptr %a210
+  %t215 = call { ptr, i64, i64 } @finch.gen.op(ptr %t184, { ptr, i64, i64 } %t214)
+  store { ptr, i64, i64 } %t214, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t215, 0
+  %t218 = load %S.ast.Type, ptr %a182
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.copy.S_ast_Type(ptr %a220, ptr %a219)
+  %t221 = load %S.ast.Type, ptr %a220
+  %t222 = insertvalue %S.gen.Place %t217, %S.ast.Type %t221, 1
+  %t223 = insertvalue %S.gen.Ref %t183, %S.gen.Place %t222, 1
+  call void @finch.drop.S_ast_Type(ptr %a182)
+  call void @finch_str_drop(ptr %a162)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t223
+endif6809:
+  %t224 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t225 = load { ptr, i64, i64 }, ptr %t224
+  store { ptr, i64, i64 } %t225, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.4419, i64 5, i64 0 }, ptr %a227
+  %t228 = call i32 @finch_str_eq(ptr %a226, ptr %a227)
+  %t229 = icmp eq i32 %t228, 0
+  br label %logic.from6818
+logic.from6818:
+  br i1 %t229, label %logic.rhs6819, label %logic.end6820
+logic.rhs6819:
+  %t230 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t231 = load { ptr, i64, i64 }, ptr %t230
+  store { ptr, i64, i64 } %t231, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.4420, i64 3, i64 0 }, ptr %a233
+  %t234 = call i32 @finch_str_eq(ptr %a232, ptr %a233)
+  %t235 = icmp eq i32 %t234, 0
+  br label %logic.rend6821
+logic.rend6821:
+  br label %logic.end6820
+logic.end6820:
+  %t236 = phi i1 [ false, %logic.from6818 ], [ %t235, %logic.rend6821 ]
+  br i1 %t236, label %then6822, label %endif6824
+then6822:
+  %t237 = load ptr, ptr %a1
+  %t238 = load %S.ast.Node, ptr %a2
+  %t239 = load %S.ast.Type, ptr %a11
+  %t240 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t239)
+  store { ptr, i64, i64 } { ptr @.str.4421, i64 46, i64 0 }, ptr %a242
+  store { ptr, i64, i64 } %t240, ptr %a243
+  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
+  store { ptr, i64, i64 } %t240, ptr %a244
+  call void @finch_str_drop(ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a241
+  call void @finch.gen.fail(ptr %t237, %S.ast.Node %t238, { ptr, i64, i64 } %t245)
+  store { ptr, i64, i64 } %t245, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  br label %endif6824
+endif6824:
+  %t247 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4422, i64 4, i64 0 })
+  store %S.ast.Type %t247, ptr %a248
+  %t249 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
   %t250 = load { ptr, i64, i64 }, ptr %t249
   store { ptr, i64, i64 } %t250, ptr %a251
-  store { ptr, i64, i64 } { ptr @.str.4256, i64 3, i64 0 }, ptr %a252
+  store { ptr, i64, i64 } { ptr @.str.4423, i64 5, i64 0 }, ptr %a252
   %t253 = call i32 @finch_str_eq(ptr %a251, ptr %a252)
   %t254 = icmp ne i32 %t253, 0
-  br label %logic.from6459
-logic.from6459:
-  br i1 %t254, label %logic.rhs6460, label %logic.end6461
-logic.rhs6460:
-  %t255 = load i1, ptr %a3
-  br label %logic.rend6462
-logic.rend6462:
-  br label %logic.end6461
-logic.end6461:
-  %t256 = phi i1 [ false, %logic.from6459 ], [ %t255, %logic.rend6462 ]
-  br i1 %t256, label %then6463, label %endif6465
-then6463:
-  %t257 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t258 = load i1, ptr %t257
-  %t259 = xor i1 %t258, true
-  br i1 %t259, label %then6466, label %endif6468
-then6466:
-  %t260 = load ptr, ptr %a1
-  %t261 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t260, %S.ast.Node %t261, { ptr, i64, i64 } { ptr @.str.4257, i64 44, i64 0 })
-  br label %endif6468
-endif6468:
-  %t262 = load ptr, ptr %a1
-  %t263 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t264 = getelementptr inbounds %S.gen.Place, ptr %t263, i32 0, i32 0
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  store { ptr, i64, i64 } { ptr @.str.4258, i64 29, i64 0 }, ptr %a267
-  store { ptr, i64, i64 } %t265, ptr %a268
-  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
-  %t269 = load { ptr, i64, i64 }, ptr %a266
-  store { ptr, i64, i64 } %t269, ptr %a271
-  store { ptr, i64, i64 } { ptr @.str.4259, i64 1, i64 0 }, ptr %a272
-  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
-  %t273 = load { ptr, i64, i64 }, ptr %a270
-  call void @finch.gen.emit(ptr %t262, { ptr, i64, i64 } %t273)
-  br label %endif6465
-endif6465:
-  %t274 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t275 = getelementptr inbounds %S.gen.Val, ptr %t274, i32 0, i32 0
-  %t276 = load { ptr, i64, i64 }, ptr %t275
-  store { ptr, i64, i64 } %t276, ptr %a277
-  call void @finch_str_copy(ptr %a278, ptr %a277)
-  %t279 = load { ptr, i64, i64 }, ptr %a278
-  store { ptr, i64, i64 } %t279, ptr %a280
-  %t281 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t282 = load i1, ptr %t281
-  br i1 %t282, label %then6469, label %endif6471
-then6469:
-  %t283 = load ptr, ptr %a1
-  %t284 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 1
-  %t285 = getelementptr inbounds %S.gen.Place, ptr %t284, i32 0, i32 0
-  %t286 = load { ptr, i64, i64 }, ptr %t285
-  %t287 = call { ptr, i64, i64 } @finch.gen.load(ptr %t283, { ptr, i64, i64 } { ptr @.str.4260, i64 17, i64 0 }, { ptr, i64, i64 } %t286)
-  store { ptr, i64, i64 } %t287, ptr %a280
-  br label %endif6471
-endif6471:
-  %t288 = load ptr, ptr %a1
-  %t289 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } { ptr @.str.4261, i64 31, i64 0 }, ptr %a291
-  store { ptr, i64, i64 } %t289, ptr %a292
-  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
-  %t293 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t293, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.4262, i64 3, i64 0 }, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  %t298 = call { ptr, i64, i64 } @finch.gen.op(ptr %t288, { ptr, i64, i64 } %t297)
-  store { ptr, i64, i64 } %t298, ptr %a299
-  %t300 = load ptr, ptr %a1
-  %t301 = load { ptr, i64, i64 }, ptr %a65
-  %t302 = load { ptr, i64, i64 }, ptr %a299
-  %t303 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.boundsCheck(ptr %t300, { ptr, i64, i64 } %t301, { ptr, i64, i64 } %t302, %S.ast.Node %t303)
-  %t304 = load ptr, ptr %a1
-  %t305 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } { ptr @.str.4263, i64 31, i64 0 }, ptr %a307
-  store { ptr, i64, i64 } %t305, ptr %a308
-  call void @finch_str_concat(ptr %a306, ptr %a307, ptr %a308)
-  %t309 = load { ptr, i64, i64 }, ptr %a306
-  store { ptr, i64, i64 } %t309, ptr %a311
-  store { ptr, i64, i64 } { ptr @.str.4264, i64 3, i64 0 }, ptr %a312
-  call void @finch_str_concat(ptr %a310, ptr %a311, ptr %a312)
-  %t313 = load { ptr, i64, i64 }, ptr %a310
-  %t314 = call { ptr, i64, i64 } @finch.gen.op(ptr %t304, { ptr, i64, i64 } %t313)
-  store { ptr, i64, i64 } %t314, ptr %a315
-  %t316 = load ptr, ptr %a1
-  %t317 = load ptr, ptr %a1
-  %t318 = load %S.ast.Type, ptr %a232
-  %t319 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t317, %S.ast.Type %t318)
-  store { ptr, i64, i64 } { ptr @.str.4265, i64 23, i64 0 }, ptr %a321
-  store { ptr, i64, i64 } %t319, ptr %a322
-  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
-  %t323 = load { ptr, i64, i64 }, ptr %a320
-  store { ptr, i64, i64 } %t323, ptr %a325
-  store { ptr, i64, i64 } { ptr @.str.4266, i64 6, i64 0 }, ptr %a326
-  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
-  %t327 = load { ptr, i64, i64 }, ptr %a324
-  %t328 = load { ptr, i64, i64 }, ptr %a315
-  store { ptr, i64, i64 } %t327, ptr %a330
-  store { ptr, i64, i64 } %t328, ptr %a331
-  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
-  %t332 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t332, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.4267, i64 6, i64 0 }, ptr %a335
-  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
-  %t336 = load { ptr, i64, i64 }, ptr %a333
-  %t337 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t336, ptr %a339
-  store { ptr, i64, i64 } %t337, ptr %a340
-  call void @finch_str_concat(ptr %a338, ptr %a339, ptr %a340)
-  %t341 = load { ptr, i64, i64 }, ptr %a338
-  %t342 = call { ptr, i64, i64 } @finch.gen.op(ptr %t316, { ptr, i64, i64 } %t341)
-  store { ptr, i64, i64 } %t342, ptr %a343
-  %t344 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 0
-  %t345 = load i1, ptr %t344
-  br i1 %t345, label %then6472, label %endif6474
-then6472:
-  %t346 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
-  %t347 = load { ptr, i64, i64 }, ptr %a343
-  store { ptr, i64, i64 } %t347, ptr %a348
-  call void @finch_str_copy(ptr %a349, ptr %a348)
-  %t350 = load { ptr, i64, i64 }, ptr %a349
-  %t351 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t350, 0
-  %t352 = load %S.ast.Type, ptr %a232
-  store %S.ast.Type %t352, ptr %a353
-  call void @finch.copy.S_ast_Type(ptr %a354, ptr %a353)
-  %t355 = load %S.ast.Type, ptr %a354
-  %t356 = insertvalue %S.gen.Place %t351, %S.ast.Type %t355, 1
-  %t357 = insertvalue %S.gen.Ref %t346, %S.gen.Place %t356, 1
-  ret %S.gen.Ref %t357
-endif6474:
-  %t358 = load ptr, ptr %a1
-  %t359 = load ptr, ptr %a1
-  %t360 = load %S.ast.Type, ptr %a232
-  %t361 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t359, %S.ast.Type %t360)
-  %t362 = load { ptr, i64, i64 }, ptr %a343
-  %t363 = call { ptr, i64, i64 } @finch.gen.load(ptr %t358, { ptr, i64, i64 } %t361, { ptr, i64, i64 } %t362)
-  store { ptr, i64, i64 } %t363, ptr %a364
-  %t365 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t365, ptr %a366
-  call void @finch_str_copy(ptr %a367, ptr %a366)
-  %t368 = load { ptr, i64, i64 }, ptr %a367
-  %t369 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t368, 0
-  %t370 = load %S.ast.Type, ptr %a232
-  store %S.ast.Type %t370, ptr %a371
-  call void @finch.copy.S_ast_Type(ptr %a372, ptr %a371)
-  %t373 = load %S.ast.Type, ptr %a372
-  %t374 = insertvalue %S.gen.Val %t369, %S.ast.Type %t373, 1
-  store %S.gen.Val %t374, ptr %a375
-  %t376 = load ptr, ptr %a1
-  %t377 = load %S.ast.Type, ptr %a232
-  %t378 = call i1 @finch.gen.owning(ptr %t376, %S.ast.Type %t377)
-  br label %logic.from6475
-logic.from6475:
-  br i1 %t378, label %logic.rhs6476, label %logic.end6477
-logic.rhs6476:
-  %t379 = getelementptr inbounds %S.gen.Ref, ptr %a14, i32 0, i32 2
-  %t380 = getelementptr inbounds %S.gen.Val, ptr %t379, i32 0, i32 2
-  %t381 = load i1, ptr %t380
-  br label %logic.rend6478
-logic.rend6478:
-  br label %logic.end6477
-logic.end6477:
-  %t382 = phi i1 [ false, %logic.from6475 ], [ %t381, %logic.rend6478 ]
-  br i1 %t382, label %then6479, label %endif6481
-then6479:
-  %t383 = load ptr, ptr %a1
-  %t384 = load { ptr, i64, i64 }, ptr %a364
-  %t385 = load %S.ast.Type, ptr %a232
-  %t386 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t383, { ptr, i64, i64 } %t384, %S.ast.Type %t385)
-  %t387 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t386, 0
-  %t388 = load %S.ast.Type, ptr %a232
-  store %S.ast.Type %t388, ptr %a389
-  call void @finch.copy.S_ast_Type(ptr %a390, ptr %a389)
-  %t391 = load %S.ast.Type, ptr %a390
-  %t392 = insertvalue %S.gen.Val %t387, %S.ast.Type %t391, 1
-  %t393 = insertvalue %S.gen.Val %t392, i1 true, 2
-  store %S.gen.Val %t393, ptr %a375
-  br label %endif6481
-endif6481:
-  %t394 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
-  %t395 = load %S.gen.Val, ptr %a375
-  store %S.gen.Val %t395, ptr %a396
-  call void @finch.copy.S_gen_Val(ptr %a397, ptr %a396)
-  %t398 = load %S.gen.Val, ptr %a397
-  %t399 = insertvalue %S.gen.Ref %t394, %S.gen.Val %t398, 2
-  ret %S.gen.Ref %t399
+  br i1 %t254, label %then6825, label %endif6827
+then6825:
+  %t255 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 1
+  %t256 = load { ptr, i64, i64 }, ptr %t255
+  %t257 = extractvalue { ptr, i64, i64 } %t256, 1
+  %t258 = icmp uge i64 0, %t257
+  br i1 %t258, label %range6828, label %inrange6829
+range6828:
+  call void @finch_panic_index(ptr @.str.4424, i64 3819, i64 0, i64 %t257)
+  unreachable
+inrange6829:
+  %t259 = extractvalue { ptr, i64, i64 } %t256, 0
+  %t260 = getelementptr inbounds %S.ast.Type, ptr %t259, i64 0
+  %t261 = load %S.ast.Type, ptr %t260
+  store %S.ast.Type %t261, ptr %a262
+  call void @finch.copy.S_ast_Type(ptr %a263, ptr %a262)
+  %t264 = load %S.ast.Type, ptr %a263
+  %t265 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t264, ptr %a248
+  store %S.ast.Type %t265, ptr %a266
+  call void @finch.drop.S_ast_Type(ptr %a266)
+  br label %endif6827
+endif6827:
+  %t267 = getelementptr inbounds %S.ast.Type, ptr %a11, i32 0, i32 0
+  %t268 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t268, ptr %a269
+  store { ptr, i64, i64 } { ptr @.str.4425, i64 3, i64 0 }, ptr %a270
+  %t271 = call i32 @finch_str_eq(ptr %a269, ptr %a270)
+  %t272 = icmp ne i32 %t271, 0
+  br label %logic.from6830
+logic.from6830:
+  br i1 %t272, label %logic.rhs6831, label %logic.end6832
+logic.rhs6831:
+  %t273 = load i1, ptr %a4
+  br label %logic.rend6833
+logic.rend6833:
+  br label %logic.end6832
+logic.end6832:
+  %t274 = phi i1 [ false, %logic.from6830 ], [ %t273, %logic.rend6833 ]
+  br i1 %t274, label %then6834, label %endif6836
+then6834:
+  %t275 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t276 = load i1, ptr %t275
+  %t277 = xor i1 %t276, true
+  br i1 %t277, label %then6837, label %endif6839
+then6837:
+  %t278 = load ptr, ptr %a1
+  %t279 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t278, %S.ast.Node %t279, { ptr, i64, i64 } { ptr @.str.4426, i64 44, i64 0 })
+  br label %endif6839
+endif6839:
+  %t280 = load ptr, ptr %a1
+  %t281 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t282 = getelementptr inbounds %S.gen.Place, ptr %t281, i32 0, i32 0
+  %t283 = load { ptr, i64, i64 }, ptr %t282
+  store { ptr, i64, i64 } { ptr @.str.4427, i64 29, i64 0 }, ptr %a285
+  store { ptr, i64, i64 } %t283, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  %t287 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t287, ptr %a289
+  store { ptr, i64, i64 } { ptr @.str.4428, i64 1, i64 0 }, ptr %a290
+  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
+  store { ptr, i64, i64 } %t287, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  %t292 = load { ptr, i64, i64 }, ptr %a288
+  call void @finch.gen.emit(ptr %t280, { ptr, i64, i64 } %t292)
+  store { ptr, i64, i64 } %t292, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  br label %endif6836
+endif6836:
+  %t294 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t295 = getelementptr inbounds %S.gen.Val, ptr %t294, i32 0, i32 0
+  %t296 = load { ptr, i64, i64 }, ptr %t295
+  store { ptr, i64, i64 } %t296, ptr %a297
+  call void @finch_str_copy(ptr %a298, ptr %a297)
+  %t299 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t299, ptr %a300
+  %t301 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t302 = load i1, ptr %t301
+  br i1 %t302, label %then6840, label %endif6842
+then6840:
+  %t303 = load ptr, ptr %a1
+  %t304 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 1
+  %t305 = getelementptr inbounds %S.gen.Place, ptr %t304, i32 0, i32 0
+  %t306 = load { ptr, i64, i64 }, ptr %t305
+  %t307 = call { ptr, i64, i64 } @finch.gen.load(ptr %t303, { ptr, i64, i64 } { ptr @.str.4429, i64 17, i64 0 }, { ptr, i64, i64 } %t306)
+  %t308 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } %t307, ptr %a300
+  store { ptr, i64, i64 } %t308, ptr %a309
+  call void @finch_str_drop(ptr %a309)
+  br label %endif6842
+endif6842:
+  %t310 = load ptr, ptr %a1
+  %t311 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.4430, i64 31, i64 0 }, ptr %a313
+  store { ptr, i64, i64 } %t311, ptr %a314
+  call void @finch_str_concat(ptr %a312, ptr %a313, ptr %a314)
+  %t315 = load { ptr, i64, i64 }, ptr %a312
+  store { ptr, i64, i64 } %t315, ptr %a317
+  store { ptr, i64, i64 } { ptr @.str.4431, i64 3, i64 0 }, ptr %a318
+  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
+  store { ptr, i64, i64 } %t315, ptr %a319
+  call void @finch_str_drop(ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a316
+  %t321 = call { ptr, i64, i64 } @finch.gen.op(ptr %t310, { ptr, i64, i64 } %t320)
+  store { ptr, i64, i64 } %t320, ptr %a322
+  call void @finch_str_drop(ptr %a322)
+  store { ptr, i64, i64 } %t321, ptr %a323
+  %t324 = load ptr, ptr %a1
+  %t325 = load { ptr, i64, i64 }, ptr %a60
+  %t326 = load { ptr, i64, i64 }, ptr %a323
+  %t327 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.boundsCheck(ptr %t324, { ptr, i64, i64 } %t325, { ptr, i64, i64 } %t326, %S.ast.Node %t327)
+  %t328 = load ptr, ptr %a1
+  %t329 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } { ptr @.str.4432, i64 31, i64 0 }, ptr %a331
+  store { ptr, i64, i64 } %t329, ptr %a332
+  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
+  %t333 = load { ptr, i64, i64 }, ptr %a330
+  store { ptr, i64, i64 } %t333, ptr %a335
+  store { ptr, i64, i64 } { ptr @.str.4433, i64 3, i64 0 }, ptr %a336
+  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
+  store { ptr, i64, i64 } %t333, ptr %a337
+  call void @finch_str_drop(ptr %a337)
+  %t338 = load { ptr, i64, i64 }, ptr %a334
+  %t339 = call { ptr, i64, i64 } @finch.gen.op(ptr %t328, { ptr, i64, i64 } %t338)
+  store { ptr, i64, i64 } %t338, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  store { ptr, i64, i64 } %t339, ptr %a341
+  %t342 = load ptr, ptr %a1
+  %t343 = load ptr, ptr %a1
+  %t344 = load %S.ast.Type, ptr %a248
+  %t345 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t343, %S.ast.Type %t344)
+  store { ptr, i64, i64 } { ptr @.str.4434, i64 23, i64 0 }, ptr %a347
+  store { ptr, i64, i64 } %t345, ptr %a348
+  call void @finch_str_concat(ptr %a346, ptr %a347, ptr %a348)
+  store { ptr, i64, i64 } %t345, ptr %a349
+  call void @finch_str_drop(ptr %a349)
+  %t350 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t350, ptr %a352
+  store { ptr, i64, i64 } { ptr @.str.4435, i64 6, i64 0 }, ptr %a353
+  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
+  store { ptr, i64, i64 } %t350, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  %t355 = load { ptr, i64, i64 }, ptr %a351
+  %t356 = load { ptr, i64, i64 }, ptr %a341
+  store { ptr, i64, i64 } %t355, ptr %a358
+  store { ptr, i64, i64 } %t356, ptr %a359
+  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
+  store { ptr, i64, i64 } %t355, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  %t361 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t361, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.4436, i64 6, i64 0 }, ptr %a364
+  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
+  store { ptr, i64, i64 } %t361, ptr %a365
+  call void @finch_str_drop(ptr %a365)
+  %t366 = load { ptr, i64, i64 }, ptr %a362
+  %t367 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t366, ptr %a369
+  store { ptr, i64, i64 } %t367, ptr %a370
+  call void @finch_str_concat(ptr %a368, ptr %a369, ptr %a370)
+  store { ptr, i64, i64 } %t366, ptr %a371
+  call void @finch_str_drop(ptr %a371)
+  %t372 = load { ptr, i64, i64 }, ptr %a368
+  %t373 = call { ptr, i64, i64 } @finch.gen.op(ptr %t342, { ptr, i64, i64 } %t372)
+  store { ptr, i64, i64 } %t372, ptr %a374
+  call void @finch_str_drop(ptr %a374)
+  store { ptr, i64, i64 } %t373, ptr %a375
+  %t376 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 0
+  %t377 = load i1, ptr %t376
+  br i1 %t377, label %then6843, label %endif6845
+then6843:
+  %t378 = insertvalue %S.gen.Ref zeroinitializer, i1 true, 0
+  %t379 = load { ptr, i64, i64 }, ptr %a375
+  store { ptr, i64, i64 } %t379, ptr %a380
+  call void @finch_str_copy(ptr %a381, ptr %a380)
+  %t382 = load { ptr, i64, i64 }, ptr %a381
+  %t383 = insertvalue %S.gen.Place zeroinitializer, { ptr, i64, i64 } %t382, 0
+  %t384 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t384, ptr %a385
+  call void @finch.copy.S_ast_Type(ptr %a386, ptr %a385)
+  %t387 = load %S.ast.Type, ptr %a386
+  %t388 = insertvalue %S.gen.Place %t383, %S.ast.Type %t387, 1
+  %t389 = insertvalue %S.gen.Ref %t378, %S.gen.Place %t388, 1
+  call void @finch_str_drop(ptr %a375)
+  call void @finch_str_drop(ptr %a341)
+  call void @finch_str_drop(ptr %a323)
+  call void @finch_str_drop(ptr %a300)
+  call void @finch.drop.S_ast_Type(ptr %a248)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t389
+endif6845:
+  %t390 = load ptr, ptr %a1
+  %t391 = load ptr, ptr %a1
+  %t392 = load %S.ast.Type, ptr %a248
+  %t393 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t391, %S.ast.Type %t392)
+  %t394 = load { ptr, i64, i64 }, ptr %a375
+  %t395 = call { ptr, i64, i64 } @finch.gen.load(ptr %t390, { ptr, i64, i64 } %t393, { ptr, i64, i64 } %t394)
+  store { ptr, i64, i64 } %t393, ptr %a396
+  call void @finch_str_drop(ptr %a396)
+  store { ptr, i64, i64 } %t395, ptr %a397
+  %t398 = load { ptr, i64, i64 }, ptr %a397
+  store { ptr, i64, i64 } %t398, ptr %a399
+  call void @finch_str_copy(ptr %a400, ptr %a399)
+  %t401 = load { ptr, i64, i64 }, ptr %a400
+  %t402 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t401, 0
+  %t403 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t403, ptr %a404
+  call void @finch.copy.S_ast_Type(ptr %a405, ptr %a404)
+  %t406 = load %S.ast.Type, ptr %a405
+  %t407 = insertvalue %S.gen.Val %t402, %S.ast.Type %t406, 1
+  store %S.gen.Val %t407, ptr %a408
+  %t409 = load ptr, ptr %a1
+  %t410 = load %S.ast.Type, ptr %a248
+  %t411 = call i1 @finch.gen.owning(ptr %t409, %S.ast.Type %t410)
+  br label %logic.from6846
+logic.from6846:
+  br i1 %t411, label %logic.rhs6847, label %logic.end6848
+logic.rhs6847:
+  %t412 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t413 = getelementptr inbounds %S.gen.Val, ptr %t412, i32 0, i32 2
+  %t414 = load i1, ptr %t413
+  br label %logic.rend6849
+logic.rend6849:
+  br label %logic.end6848
+logic.end6848:
+  %t415 = phi i1 [ false, %logic.from6846 ], [ %t414, %logic.rend6849 ]
+  br i1 %t415, label %then6850, label %endif6852
+then6850:
+  %t416 = load ptr, ptr %a1
+  %t417 = load { ptr, i64, i64 }, ptr %a397
+  %t418 = load %S.ast.Type, ptr %a248
+  %t419 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t416, { ptr, i64, i64 } %t417, %S.ast.Type %t418)
+  %t420 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t419, 0
+  %t421 = load %S.ast.Type, ptr %a248
+  store %S.ast.Type %t421, ptr %a422
+  call void @finch.copy.S_ast_Type(ptr %a423, ptr %a422)
+  %t424 = load %S.ast.Type, ptr %a423
+  %t425 = insertvalue %S.gen.Val %t420, %S.ast.Type %t424, 1
+  %t426 = insertvalue %S.gen.Val %t425, i1 true, 2
+  %t427 = load %S.gen.Val, ptr %a408
+  store %S.gen.Val %t426, ptr %a408
+  store %S.gen.Val %t427, ptr %a428
+  call void @finch.drop.S_gen_Val(ptr %a428)
+  br label %endif6852
+endif6852:
+  %t429 = load ptr, ptr %a1
+  %t430 = getelementptr inbounds %S.gen.Ref, ptr %a3, i32 0, i32 2
+  %t431 = load %S.gen.Val, ptr %t430
+  call void @finch.gen.release(ptr %t429, %S.gen.Val %t431)
+  %t432 = insertvalue %S.gen.Ref zeroinitializer, i1 false, 0
+  %t433 = load %S.gen.Val, ptr %a408
+  store %S.gen.Val %t433, ptr %a434
+  call void @finch.copy.S_gen_Val(ptr %a435, ptr %a434)
+  %t436 = load %S.gen.Val, ptr %a435
+  %t437 = insertvalue %S.gen.Ref %t432, %S.gen.Val %t436, 2
+  call void @finch.drop.S_gen_Val(ptr %a408)
+  call void @finch_str_drop(ptr %a397)
+  call void @finch_str_drop(ptr %a375)
+  call void @finch_str_drop(ptr %a341)
+  call void @finch_str_drop(ptr %a323)
+  call void @finch_str_drop(ptr %a300)
+  call void @finch.drop.S_ast_Type(ptr %a248)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.gen.Ref %t437
 }
 
 define internal void @finch.gen.checkArgs(ptr %p0, %S.ast.Node %p1, i64 %p2, i64 %p3, { ptr, i64, i64 } %p4) {
@@ -58278,23 +68939,32 @@ entry:
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -58308,14 +68978,14 @@ entry:
   store i64 %t10, ptr %a11
   %t12 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
   store i64 0, ptr %a13
-  br label %each.cond6482
-each.cond6482:
+  br label %each.cond6853
+each.cond6853:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = load i64, ptr %a13
   %t17 = icmp slt i64 %t16, %t15
-  br i1 %t17, label %each.body6483, label %each.end6485
-each.body6483:
+  br i1 %t17, label %each.body6854, label %each.end6856
+each.body6854:
   %t18 = load ptr, ptr %t12
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 %t16
   %t20 = load { ptr, i64, i64 }, ptr %t19
@@ -58323,66 +68993,84 @@ each.body6483:
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a21, i32 0, i32 1
   %t23 = load i64, ptr %t22
   %t24 = icmp sgt i64 %t23, 0
-  br i1 %t24, label %then6486, label %endif6488
-then6486:
+  br i1 %t24, label %then6857, label %endif6859
+then6857:
   %t25 = load ptr, ptr %a1
   %t26 = load %S.ast.Node, ptr %a2
   %t27 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.4268, i64 17, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.4437, i64 17, i64 0 }, ptr %a29
   store { ptr, i64, i64 } %t27, ptr %a30
   call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
   %t31 = load { ptr, i64, i64 }, ptr %a28
   store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.4269, i64 36, i64 0 }, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.4438, i64 36, i64 0 }, ptr %a34
   call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  call void @finch.gen.fail(ptr %t25, %S.ast.Node %t26, { ptr, i64, i64 } %t35)
-  br label %endif6488
-endif6488:
-  br label %each.step6484
-each.step6484:
-  %t36 = load i64, ptr %a13
-  %t37 = add i64 %t36, 1
-  store i64 %t37, ptr %a13
-  br label %each.cond6482
-each.end6485:
-  %t38 = load i64, ptr %a11
-  %t39 = load i64, ptr %a4
-  %t40 = icmp ne i64 %t38, %t39
-  br i1 %t40, label %then6489, label %endif6491
-then6489:
-  %t41 = load ptr, ptr %a1
-  %t42 = load %S.ast.Node, ptr %a2
-  %t43 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4270, i64 1, i64 0 }, ptr %a45
-  store { ptr, i64, i64 } %t43, ptr %a46
-  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.4271, i64 8, i64 0 }, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = load i64, ptr %a4
-  call void @finch_str_from_int(ptr %a53, i64 %t52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t51, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.4272, i64 22, i64 0 }, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a64, i64 %t63)
-  %t65 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t62, ptr %a67
-  store { ptr, i64, i64 } %t65, ptr %a68
-  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  call void @finch.gen.fail(ptr %t41, %S.ast.Node %t42, { ptr, i64, i64 } %t69)
-  br label %endif6491
-endif6491:
+  store { ptr, i64, i64 } %t31, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a32
+  call void @finch.gen.fail(ptr %t25, %S.ast.Node %t26, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t36, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  br label %endif6859
+endif6859:
+  br label %each.step6855
+each.step6855:
+  %t38 = load i64, ptr %a13
+  %t39 = add i64 %t38, 1
+  store i64 %t39, ptr %a13
+  br label %each.cond6853
+each.end6856:
+  %t40 = load i64, ptr %a11
+  %t41 = load i64, ptr %a4
+  %t42 = icmp ne i64 %t40, %t41
+  br i1 %t42, label %then6860, label %endif6862
+then6860:
+  %t43 = load ptr, ptr %a1
+  %t44 = load %S.ast.Node, ptr %a2
+  %t45 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.4439, i64 1, i64 0 }, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a48
+  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
+  %t49 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t49, ptr %a51
+  store { ptr, i64, i64 } { ptr @.str.4440, i64 8, i64 0 }, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  %t55 = load i64, ptr %a4
+  call void @finch_str_from_int(ptr %a56, i64 %t55)
+  %t57 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t54, ptr %a59
+  store { ptr, i64, i64 } %t57, ptr %a60
+  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
+  store { ptr, i64, i64 } %t54, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  store { ptr, i64, i64 } %t57, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a58
+  store { ptr, i64, i64 } %t63, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.4441, i64 22, i64 0 }, ptr %a66
+  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
+  store { ptr, i64, i64 } %t63, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  %t68 = load { ptr, i64, i64 }, ptr %a64
+  %t69 = load i64, ptr %a11
+  call void @finch_str_from_int(ptr %a70, i64 %t69)
+  %t71 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a73
+  store { ptr, i64, i64 } %t71, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  store { ptr, i64, i64 } %t68, ptr %a75
+  call void @finch_str_drop(ptr %a75)
+  store { ptr, i64, i64 } %t71, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a72
+  call void @finch.gen.fail(ptr %t43, %S.ast.Node %t44, { ptr, i64, i64 } %t77)
+  store { ptr, i64, i64 } %t77, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  br label %endif6862
+endif6862:
   ret void
 }
 
@@ -58391,6 +69079,8 @@ entry:
   %a1 = alloca ptr, align 16
   %a2 = alloca %S.ast.Node, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca %S.gen.Val, align 16
+  %a13 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -58398,10 +69088,14 @@ entry:
   %t5 = load ptr, ptr %a1
   %t6 = load %S.ast.Node, ptr %a2
   %t7 = call %S.gen.Val @finch.gen.expr(ptr %t5, %S.ast.Node %t6)
-  %t8 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4273, i64 3, i64 0 })
+  %t8 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4442, i64 3, i64 0 })
   %t9 = load %S.ast.Node, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %a3
   %t11 = call %S.gen.Val @finch.gen.coerce(ptr %t4, %S.gen.Val %t7, %S.ast.Type %t8, %S.ast.Node %t9, { ptr, i64, i64 } %t10)
+  store %S.gen.Val %t7, ptr %a12
+  call void @finch.drop.S_gen_Val(ptr %a12)
+  store %S.ast.Type %t8, ptr %a13
+  call void @finch.drop.S_ast_Type(ptr %a13)
   ret %S.gen.Val %t11
 }
 
@@ -58410,7 +69104,7 @@ entry:
   %a1 = alloca ptr, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
-  %t3 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t2, { ptr, i64, i64 } { ptr @.str.4274, i64 17, i64 0 })
+  %t3 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t2, { ptr, i64, i64 } { ptr @.str.4443, i64 17, i64 0 })
   ret { ptr, i64, i64 } %t3
 }
 
@@ -58431,50 +69125,50 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.4275, i64 3, i64 0 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.4444, i64 3, i64 0 }, ptr %a4
   %t5 = call i32 @finch_str_eq(ptr %a3, ptr %a4)
   %t6 = icmp ne i32 %t5, 0
-  br i1 %t6, label %then6492, label %endif6494
-then6492:
-  ret { ptr, i64, i64 } { ptr @.str.4276, i64 3, i64 0 }
-endif6494:
+  br i1 %t6, label %then6863, label %endif6865
+then6863:
+  ret { ptr, i64, i64 } { ptr @.str.4445, i64 3, i64 0 }
+endif6865:
   %t7 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4277, i64 3, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.4446, i64 3, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then6495, label %endif6497
-then6495:
-  ret { ptr, i64, i64 } { ptr @.str.4278, i64 5, i64 0 }
-endif6497:
+  br i1 %t11, label %then6866, label %endif6868
+then6866:
+  ret { ptr, i64, i64 } { ptr @.str.4447, i64 5, i64 0 }
+endif6868:
   %t12 = mul i64 13, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t13 = call ptr @finch_alloc(i64 %t12)
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4279, i64 3, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.4448, i64 3, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4280, i64 5, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.4449, i64 5, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4281, i64 4, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.4450, i64 4, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4282, i64 4, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.4451, i64 4, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4283, i64 2, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.4452, i64 2, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4284, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.4453, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 6
-  store { ptr, i64, i64 } { ptr @.str.4285, i64 3, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.4454, i64 3, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 7
-  store { ptr, i64, i64 } { ptr @.str.4286, i64 2, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.4455, i64 2, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 8
-  store { ptr, i64, i64 } { ptr @.str.4287, i64 3, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.4456, i64 3, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 9
-  store { ptr, i64, i64 } { ptr @.str.4288, i64 3, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.4457, i64 3, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 10
-  store { ptr, i64, i64 } { ptr @.str.4289, i64 3, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.4458, i64 3, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 11
-  store { ptr, i64, i64 } { ptr @.str.4290, i64 3, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.4459, i64 3, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t13, i64 12
-  store { ptr, i64, i64 } { ptr @.str.4291, i64 3, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.4460, i64 3, i64 0 }, ptr %t26
   %t27 = insertvalue { ptr, i64, i64 } undef, ptr %t13, 0
   %t28 = insertvalue { ptr, i64, i64 } %t27, i64 13, 1
   %t29 = insertvalue { ptr, i64, i64 } %t28, i64 13, 2
@@ -58485,38 +69179,40 @@ endif6497:
   %t34 = load i64, ptr %t31
   %t35 = load ptr, ptr %a30
   store i64 0, ptr %a36
-  br label %find.cond6498
-find.cond6498:
+  br label %find.cond6869
+find.cond6869:
   %t37 = load i64, ptr %a36
   %t38 = icmp slt i64 %t37, %t34
-  br i1 %t38, label %find.body6499, label %find.end6502
-find.body6499:
+  br i1 %t38, label %find.body6870, label %find.end6873
+find.body6870:
   %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i64 %t37
   %t40 = load { ptr, i64, i64 }, ptr %t39
   store { ptr, i64, i64 } %t40, ptr %a41
   store { ptr, i64, i64 } %t32, ptr %a42
   %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
   %t44 = icmp ne i32 %t43, 0
-  br i1 %t44, label %find.hit6500, label %find.next6501
-find.hit6500:
+  br i1 %t44, label %find.hit6871, label %find.next6872
+find.hit6871:
   store i64 %t37, ptr %a33
-  br label %find.end6502
-find.next6501:
+  br label %find.end6873
+find.next6872:
   %t45 = add i64 %t37, 1
   store i64 %t45, ptr %a36
-  br label %find.cond6498
-find.end6502:
+  br label %find.cond6869
+find.end6873:
   %t46 = load i64, ptr %a33
   %t47 = icmp sge i64 %t46, 0
-  br i1 %t47, label %then6503, label %endif6505
-then6503:
+  br i1 %t47, label %then6874, label %endif6876
+then6874:
   %t48 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t48, ptr %a49
   call void @finch_str_copy(ptr %a50, ptr %a49)
   %t51 = load { ptr, i64, i64 }, ptr %a50
+  call void @finch.drop.arr_str(ptr %a30)
   ret { ptr, i64, i64 } %t51
-endif6505:
-  ret { ptr, i64, i64 } { ptr @.str.4292, i64 0, i64 0 }
+endif6876:
+  call void @finch.drop.arr_str(ptr %a30)
+  ret { ptr, i64, i64 } { ptr @.str.4461, i64 0, i64 0 }
 }
 
 define internal %S.gen.Val @finch.gen.convert(ptr %p0, %S.ast.Node %p1, %S.ast.Type %p2) {
@@ -58528,228 +69224,300 @@ entry:
   %a20 = alloca %S.ast.Type, align 16
   %a21 = alloca %S.ast.Type, align 16
   %a23 = alloca %S.ast.Type, align 16
-  %a28 = alloca %S.gen.Val, align 16
-  %a29 = alloca %S.gen.Val, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca %S.ast.Type, align 16
-  %a125 = alloca %S.ast.Type, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a143 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca %S.ast.Type, align 16
+  %a139 = alloca %S.ast.Type, align 16
+  %a140 = alloca %S.ast.Type, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca %S.ast.Type, align 16
-  %a195 = alloca %S.ast.Type, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca %S.ast.Type, align 16
+  %a226 = alloca %S.ast.Type, align 16
+  %a227 = alloca %S.ast.Type, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca %S.ast.Type, align 16
-  %a266 = alloca %S.ast.Type, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
   %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
   %a296 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca %S.ast.Type, align 16
-  %a312 = alloca %S.ast.Type, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca %S.ast.Type, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a309 = alloca %S.ast.Type, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
   %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca %S.ast.Type, align 16
-  %a333 = alloca %S.ast.Type, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
   %a349 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca %S.ast.Type, align 16
-  %a363 = alloca %S.ast.Type, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
-  %a386 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca %S.ast.Type, align 16
-  %a394 = alloca %S.ast.Type, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
-  %a416 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
-  %a419 = alloca { ptr, i64, i64 }, align 16
-  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca %S.ast.Type, align 16
+  %a366 = alloca %S.ast.Type, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca %S.ast.Type, align 16
+  %a387 = alloca %S.ast.Type, align 16
+  %a388 = alloca %S.ast.Type, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca %S.ast.Type, align 16
+  %a418 = alloca %S.ast.Type, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
   %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
   %a430 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
   %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca %S.ast.Type, align 16
-  %a443 = alloca %S.ast.Type, align 16
-  %a458 = alloca %S.ast.Type, align 16
-  %a459 = alloca %S.ast.Type, align 16
-  %a472 = alloca %S.ast.Type, align 16
-  %a473 = alloca %S.ast.Type, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a452 = alloca %S.ast.Type, align 16
+  %a453 = alloca %S.ast.Type, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
   %a478 = alloca { ptr, i64, i64 }, align 16
   %a479 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a483 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
   %a489 = alloca { ptr, i64, i64 }, align 16
   %a490 = alloca { ptr, i64, i64 }, align 16
   %a491 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
   %a494 = alloca { ptr, i64, i64 }, align 16
   %a495 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
   %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
   %a503 = alloca { ptr, i64, i64 }, align 16
   %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
-  %a510 = alloca %S.ast.Type, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
   %a511 = alloca %S.ast.Type, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a528 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca %S.ast.Type, align 16
+  %a527 = alloca %S.ast.Type, align 16
+  %a528 = alloca %S.ast.Type, align 16
   %a541 = alloca %S.ast.Type, align 16
   %a542 = alloca %S.ast.Type, align 16
   %a547 = alloca { ptr, i64, i64 }, align 16
   %a548 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
   %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
   %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
   %a565 = alloca { ptr, i64, i64 }, align 16
   %a566 = alloca { ptr, i64, i64 }, align 16
-  %a567 = alloca { ptr, i64, i64 }, align 16
-  %a572 = alloca %S.ast.Type, align 16
-  %a573 = alloca %S.ast.Type, align 16
-  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
   %a581 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca { ptr, i64, i64 }, align 16
-  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca %S.ast.Type, align 16
+  %a585 = alloca %S.ast.Type, align 16
   %a590 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
-  %a593 = alloca { ptr, i64, i64 }, align 16
-  %a594 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca { ptr, i64, i64 }, align 16
-  %a606 = alloca %S.ast.Type, align 16
-  %a607 = alloca %S.ast.Type, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a613 = alloca { ptr, i64, i64 }, align 16
-  %a618 = alloca { ptr, i64, i64 }, align 16
-  %a619 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca { ptr, i64, i64 }, align 16
+  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a597 = alloca { ptr, i64, i64 }, align 16
+  %a602 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a610 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a615 = alloca %S.ast.Type, align 16
+  %a616 = alloca %S.ast.Type, align 16
+  %a621 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca %S.ast.Type, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
+  %a639 = alloca { ptr, i64, i64 }, align 16
   %a641 = alloca { ptr, i64, i64 }, align 16
   %a642 = alloca { ptr, i64, i64 }, align 16
   %a643 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a644 = alloca { ptr, i64, i64 }, align 16
   %a647 = alloca { ptr, i64, i64 }, align 16
-  %a651 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca %S.gen.Val, align 16
-  %a657 = alloca %S.gen.Val, align 16
+  %a650 = alloca %S.ast.Type, align 16
+  %a651 = alloca %S.ast.Type, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca %S.ast.Type, align 16
+  %a689 = alloca %S.ast.Type, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a700 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a724 = alloca { ptr, i64, i64 }, align 16
+  %a725 = alloca { ptr, i64, i64 }, align 16
+  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a728 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a731 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
+  %a736 = alloca { ptr, i64, i64 }, align 16
+  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.ast.Type %p2, ptr %a3
@@ -58763,11 +69531,11 @@ entry:
   %t10 = load { ptr, i64, i64 }, ptr %t9
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 0, %t11
-  br i1 %t12, label %range6506, label %inrange6507
-range6506:
-  call void @finch_panic_index(ptr @.str.4293, i64 3606, i64 0, i64 %t11)
+  br i1 %t12, label %range6877, label %inrange6878
+range6877:
+  call void @finch_panic_index(ptr @.str.4462, i64 3889, i64 0, i64 %t11)
   unreachable
-inrange6507:
+inrange6878:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.ast.Node, ptr %t13, i64 0
   %t15 = load %S.ast.Node, ptr %t14
@@ -58782,874 +69550,1078 @@ inrange6507:
   %t24 = load %S.ast.Type, ptr %a23
   %t25 = load %S.ast.Type, ptr %a3
   %t26 = call i1 @finch.ast.same(%S.ast.Type %t24, %S.ast.Type %t25)
-  br i1 %t26, label %then6508, label %endif6510
-then6508:
+  br i1 %t26, label %then6879, label %endif6881
+then6879:
   %t27 = load %S.gen.Val, ptr %a17
-  store %S.gen.Val %t27, ptr %a28
-  call void @finch.copy.S_gen_Val(ptr %a29, ptr %a28)
-  %t30 = load %S.gen.Val, ptr %a29
-  ret %S.gen.Val %t30
-endif6510:
-  %t31 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t32 = load { ptr, i64, i64 }, ptr %t31
-  store { ptr, i64, i64 } %t32, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.4294, i64 3, i64 0 }, ptr %a34
-  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
-  %t36 = icmp ne i32 %t35, 0
-  br label %logic.from6511
-logic.from6511:
-  br i1 %t36, label %logic.rhs6512, label %logic.end6513
-logic.rhs6512:
-  %t37 = load %S.ast.Type, ptr %a3
-  %t38 = call i1 @finch.gen.isNumber(%S.ast.Type %t37)
-  br label %logic.rend6514
-logic.rend6514:
-  br label %logic.end6513
-logic.end6513:
-  %t39 = phi i1 [ false, %logic.from6511 ], [ %t38, %logic.rend6514 ]
-  br label %logic.from6515
-logic.from6515:
-  br i1 %t39, label %logic.rhs6516, label %logic.end6517
-logic.rhs6516:
-  %t40 = load ptr, ptr %a1
-  %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic6518, label %ok6519
-panic6518:
-  call void @finch_panic(ptr @.str.4295, i64 3611, ptr @.str.4296)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  ret %S.gen.Val %t27
+endif6881:
+  %t28 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t29 = load { ptr, i64, i64 }, ptr %t28
+  store { ptr, i64, i64 } %t29, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.4463, i64 3, i64 0 }, ptr %a31
+  %t32 = call i32 @finch_str_eq(ptr %a30, ptr %a31)
+  %t33 = icmp ne i32 %t32, 0
+  br label %logic.from6882
+logic.from6882:
+  br i1 %t33, label %logic.rhs6883, label %logic.end6884
+logic.rhs6883:
+  %t34 = load %S.ast.Type, ptr %a3
+  %t35 = call i1 @finch.gen.isNumber(%S.ast.Type %t34)
+  br label %logic.rend6885
+logic.rend6885:
+  br label %logic.end6884
+logic.end6884:
+  %t36 = phi i1 [ false, %logic.from6882 ], [ %t35, %logic.rend6885 ]
+  br label %logic.from6886
+logic.from6886:
+  br i1 %t36, label %logic.rhs6887, label %logic.end6888
+logic.rhs6887:
+  %t37 = load ptr, ptr %a1
+  %t38 = icmp eq ptr %t37, null
+  br i1 %t38, label %panic6889, label %ok6890
+panic6889:
+  call void @finch_panic(ptr @.str.4464, i64 3894, ptr @.str.4465)
   unreachable
-ok6519:
-  %t42 = getelementptr inbounds %S.gen.Gen, ptr %t40, i32 0, i32 39
-  %t43 = load { ptr, i64, i64 }, ptr %t42
-  %t44 = load %S.ast.Node, ptr %a2
-  %t45 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t44)
-  store { ptr, i64, i64 } %t43, ptr %a46
-  store { ptr, i64, i64 } %t45, ptr %a47
-  %t48 = call i32 @finch_str_eq(ptr %a46, ptr %a47)
-  %t49 = icmp ne i32 %t48, 0
-  br label %logic.rend6520
-logic.rend6520:
-  br label %logic.end6517
-logic.end6517:
-  %t50 = phi i1 [ false, %logic.from6515 ], [ %t49, %logic.rend6520 ]
-  br i1 %t50, label %then6521, label %endif6523
-then6521:
-  %t51 = load ptr, ptr %a1
-  %t52 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t51, { ptr, i64, i64 } { ptr @.str.4297, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t52, ptr %a53
-  %t54 = load ptr, ptr %a1
-  %t55 = load { ptr, i64, i64 }, ptr %a53
-  call void @finch.gen.store(ptr %t54, { ptr, i64, i64 } { ptr @.str.4298, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4299, i64 15, i64 0 }, { ptr, i64, i64 } %t55)
-  %t56 = load %S.ast.Type, ptr %a3
-  %t57 = call i1 @finch.gen.isInt(%S.ast.Type %t56)
-  br i1 %t57, label %then6524, label %endif6526
-then6524:
-  %t58 = load ptr, ptr %a1
-  %t59 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t58, { ptr, i64, i64 } { ptr @.str.4300, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t59, ptr %a60
+ok6890:
+  %t39 = getelementptr inbounds %S.gen.Gen, ptr %t37, i32 0, i32 40
+  %t40 = load { ptr, i64, i64 }, ptr %t39
+  %t41 = load %S.ast.Node, ptr %a2
+  %t42 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t41)
+  store { ptr, i64, i64 } %t40, ptr %a43
+  store { ptr, i64, i64 } %t42, ptr %a44
+  %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
+  %t46 = icmp ne i32 %t45, 0
+  store { ptr, i64, i64 } %t42, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %logic.rend6891
+logic.rend6891:
+  br label %logic.end6888
+logic.end6888:
+  %t48 = phi i1 [ false, %logic.from6886 ], [ %t46, %logic.rend6891 ]
+  br i1 %t48, label %then6892, label %endif6894
+then6892:
+  %t49 = load ptr, ptr %a1
+  %t50 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t49, { ptr, i64, i64 } { ptr @.str.4466, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t50, ptr %a51
+  %t52 = load ptr, ptr %a1
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch.gen.store(ptr %t52, { ptr, i64, i64 } { ptr @.str.4467, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4468, i64 15, i64 0 }, { ptr, i64, i64 } %t53)
+  %t54 = load %S.ast.Type, ptr %a3
+  %t55 = call i1 @finch.gen.isInt(%S.ast.Type %t54)
+  br i1 %t55, label %then6895, label %endif6897
+then6895:
+  %t56 = load ptr, ptr %a1
+  %t57 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t56, { ptr, i64, i64 } { ptr @.str.4469, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t57, ptr %a58
+  %t59 = load ptr, ptr %a1
+  %t60 = load { ptr, i64, i64 }, ptr %a58
+  call void @finch.gen.store(ptr %t59, { ptr, i64, i64 } { ptr @.str.4470, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.4471, i64 1, i64 0 }, { ptr, i64, i64 } %t60)
   %t61 = load ptr, ptr %a1
-  %t62 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.store(ptr %t61, { ptr, i64, i64 } { ptr @.str.4301, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.4302, i64 1, i64 0 }, { ptr, i64, i64 } %t62)
-  %t63 = load ptr, ptr %a1
-  %t64 = load ptr, ptr %a1
-  %t65 = load %S.gen.Val, ptr %a17
-  %t66 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t64, %S.gen.Val %t65)
-  store { ptr, i64, i64 } { ptr @.str.4303, i64 32, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } %t66, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a72
-  store { ptr, i64, i64 } { ptr @.str.4304, i64 6, i64 0 }, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  %t75 = load { ptr, i64, i64 }, ptr %a60
+  %t62 = load ptr, ptr %a1
+  %t63 = load %S.gen.Val, ptr %a17
+  %t64 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t62, %S.gen.Val %t63)
+  store { ptr, i64, i64 } { ptr @.str.4472, i64 32, i64 0 }, ptr %a66
+  store { ptr, i64, i64 } %t64, ptr %a67
+  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t69, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.4473, i64 6, i64 0 }, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t69, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a70
+  %t75 = load { ptr, i64, i64 }, ptr %a58
   store { ptr, i64, i64 } %t74, ptr %a77
   store { ptr, i64, i64 } %t75, ptr %a78
   call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
-  %t79 = load { ptr, i64, i64 }, ptr %a76
-  store { ptr, i64, i64 } %t79, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.4305, i64 6, i64 0 }, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  %t84 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t83, ptr %a86
-  store { ptr, i64, i64 } %t84, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  store { ptr, i64, i64 } %t88, ptr %a90
-  store { ptr, i64, i64 } { ptr @.str.4306, i64 1, i64 0 }, ptr %a91
-  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
-  %t92 = load { ptr, i64, i64 }, ptr %a89
-  %t93 = call { ptr, i64, i64 } @finch.gen.op(ptr %t63, { ptr, i64, i64 } %t92)
-  store { ptr, i64, i64 } %t93, ptr %a94
-  %t95 = load ptr, ptr %a1
-  %t96 = load { ptr, i64, i64 }, ptr %a94
-  store { ptr, i64, i64 } { ptr @.str.4307, i64 12, i64 0 }, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } { ptr @.str.4308, i64 3, i64 0 }, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  %t105 = call { ptr, i64, i64 } @finch.gen.op(ptr %t95, { ptr, i64, i64 } %t104)
-  %t106 = load ptr, ptr %a1
-  %t107 = icmp eq ptr %t106, null
-  br i1 %t107, label %panic6527, label %ok6528
-panic6527:
-  call void @finch_panic(ptr @.str.4309, i64 3619, ptr @.str.4310)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t80, ptr %a82
+  store { ptr, i64, i64 } { ptr @.str.4474, i64 6, i64 0 }, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t80, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t85, ptr %a88
+  store { ptr, i64, i64 } %t86, ptr %a89
+  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
+  store { ptr, i64, i64 } %t85, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t91, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.4475, i64 1, i64 0 }, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t91, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a92
+  %t97 = call { ptr, i64, i64 } @finch.gen.op(ptr %t61, { ptr, i64, i64 } %t96)
+  store { ptr, i64, i64 } %t96, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  store { ptr, i64, i64 } %t97, ptr %a99
+  %t100 = load ptr, ptr %a1
+  %t101 = load { ptr, i64, i64 }, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.4476, i64 12, i64 0 }, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.4477, i64 3, i64 0 }, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t105, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  %t111 = call { ptr, i64, i64 } @finch.gen.op(ptr %t100, { ptr, i64, i64 } %t110)
+  store { ptr, i64, i64 } %t110, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  %t113 = load ptr, ptr %a1
+  %t114 = icmp eq ptr %t113, null
+  br i1 %t114, label %panic6898, label %ok6899
+panic6898:
+  call void @finch_panic(ptr @.str.4478, i64 3902, ptr @.str.4479)
   unreachable
-ok6528:
-  %t108 = getelementptr inbounds %S.gen.Gen, ptr %t106, i32 0, i32 40
-  store { ptr, i64, i64 } %t105, ptr %t108
-  %t109 = load ptr, ptr %a1
-  %t110 = load { ptr, i64, i64 }, ptr %a53
-  %t111 = call { ptr, i64, i64 } @finch.gen.load(ptr %t109, { ptr, i64, i64 } { ptr @.str.4311, i64 17, i64 0 }, { ptr, i64, i64 } %t110)
-  %t112 = load ptr, ptr %a1
-  %t113 = icmp eq ptr %t112, null
-  br i1 %t113, label %panic6529, label %ok6530
-panic6529:
-  call void @finch_panic(ptr @.str.4312, i64 3620, ptr @.str.4313)
+ok6899:
+  %t115 = getelementptr inbounds %S.gen.Gen, ptr %t113, i32 0, i32 41
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  store { ptr, i64, i64 } %t111, ptr %t115
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load ptr, ptr %a1
+  %t119 = load { ptr, i64, i64 }, ptr %a51
+  %t120 = call { ptr, i64, i64 } @finch.gen.load(ptr %t118, { ptr, i64, i64 } { ptr @.str.4480, i64 17, i64 0 }, { ptr, i64, i64 } %t119)
+  %t121 = load ptr, ptr %a1
+  %t122 = icmp eq ptr %t121, null
+  br i1 %t122, label %panic6900, label %ok6901
+panic6900:
+  call void @finch_panic(ptr @.str.4481, i64 3903, ptr @.str.4482)
   unreachable
-ok6530:
-  %t114 = getelementptr inbounds %S.gen.Gen, ptr %t112, i32 0, i32 41
-  store { ptr, i64, i64 } %t111, ptr %t114
-  %t115 = load ptr, ptr %a1
-  %t116 = load ptr, ptr %a1
-  %t117 = load { ptr, i64, i64 }, ptr %a60
-  %t118 = call { ptr, i64, i64 } @finch.gen.load(ptr %t116, { ptr, i64, i64 } { ptr @.str.4314, i64 3, i64 0 }, { ptr, i64, i64 } %t117)
-  %t119 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4315, i64 3, i64 0 })
-  %t120 = load %S.ast.Type, ptr %a3
-  %t121 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t115, { ptr, i64, i64 } %t118, %S.ast.Type %t119, %S.ast.Type %t120)
-  %t122 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t121, 0
-  %t123 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t123, ptr %a124
-  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
-  %t126 = load %S.ast.Type, ptr %a125
-  %t127 = insertvalue %S.gen.Val %t122, %S.ast.Type %t126, 1
-  ret %S.gen.Val %t127
-endif6526:
+ok6901:
+  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 42
+  %t124 = load { ptr, i64, i64 }, ptr %t123
+  store { ptr, i64, i64 } %t120, ptr %t123
+  store { ptr, i64, i64 } %t124, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load ptr, ptr %a1
+  %t127 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t126, %S.gen.Val %t127)
   %t128 = load ptr, ptr %a1
-  %t129 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t128, { ptr, i64, i64 } { ptr @.str.4316, i64 6, i64 0 })
-  store { ptr, i64, i64 } %t129, ptr %a130
-  %t131 = load ptr, ptr %a1
-  %t132 = load { ptr, i64, i64 }, ptr %a130
-  call void @finch.gen.store(ptr %t131, { ptr, i64, i64 } { ptr @.str.4317, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.4318, i64 3, i64 0 }, { ptr, i64, i64 } %t132)
-  %t133 = load ptr, ptr %a1
-  %t134 = load ptr, ptr %a1
-  %t135 = load %S.gen.Val, ptr %a17
-  %t136 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t134, %S.gen.Val %t135)
-  store { ptr, i64, i64 } { ptr @.str.4319, i64 34, i64 0 }, ptr %a138
-  store { ptr, i64, i64 } %t136, ptr %a139
-  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
-  %t140 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t140, ptr %a142
-  store { ptr, i64, i64 } { ptr @.str.4320, i64 6, i64 0 }, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  %t145 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t144, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t149, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.4321, i64 6, i64 0 }, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  %t154 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } %t153, ptr %a156
-  store { ptr, i64, i64 } %t154, ptr %a157
-  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
-  %t158 = load { ptr, i64, i64 }, ptr %a155
-  store { ptr, i64, i64 } %t158, ptr %a160
-  store { ptr, i64, i64 } { ptr @.str.4322, i64 1, i64 0 }, ptr %a161
-  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  %t163 = call { ptr, i64, i64 } @finch.gen.op(ptr %t133, { ptr, i64, i64 } %t162)
-  store { ptr, i64, i64 } %t163, ptr %a164
-  %t165 = load ptr, ptr %a1
-  %t166 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.4323, i64 12, i64 0 }, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.4324, i64 3, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  %t175 = call { ptr, i64, i64 } @finch.gen.op(ptr %t165, { ptr, i64, i64 } %t174)
-  %t176 = load ptr, ptr %a1
-  %t177 = icmp eq ptr %t176, null
-  br i1 %t177, label %panic6531, label %ok6532
-panic6531:
-  call void @finch_panic(ptr @.str.4325, i64 3626, ptr @.str.4326)
+  %t129 = load ptr, ptr %a1
+  %t130 = load { ptr, i64, i64 }, ptr %a58
+  %t131 = call { ptr, i64, i64 } @finch.gen.load(ptr %t129, { ptr, i64, i64 } { ptr @.str.4483, i64 3, i64 0 }, { ptr, i64, i64 } %t130)
+  %t132 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4484, i64 3, i64 0 })
+  %t133 = load %S.ast.Type, ptr %a3
+  %t134 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t128, { ptr, i64, i64 } %t131, %S.ast.Type %t132, %S.ast.Type %t133)
+  store { ptr, i64, i64 } %t131, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  store %S.ast.Type %t132, ptr %a136
+  call void @finch.drop.S_ast_Type(ptr %a136)
+  %t137 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t134, 0
+  %t138 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t138, ptr %a139
+  call void @finch.copy.S_ast_Type(ptr %a140, ptr %a139)
+  %t141 = load %S.ast.Type, ptr %a140
+  %t142 = insertvalue %S.gen.Val %t137, %S.ast.Type %t141, 1
+  call void @finch_str_drop(ptr %a99)
+  call void @finch_str_drop(ptr %a58)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t142
+endif6897:
+  %t143 = load ptr, ptr %a1
+  %t144 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t143, { ptr, i64, i64 } { ptr @.str.4485, i64 6, i64 0 })
+  store { ptr, i64, i64 } %t144, ptr %a145
+  %t146 = load ptr, ptr %a1
+  %t147 = load { ptr, i64, i64 }, ptr %a145
+  call void @finch.gen.store(ptr %t146, { ptr, i64, i64 } { ptr @.str.4486, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.4487, i64 3, i64 0 }, { ptr, i64, i64 } %t147)
+  %t148 = load ptr, ptr %a1
+  %t149 = load ptr, ptr %a1
+  %t150 = load %S.gen.Val, ptr %a17
+  %t151 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t149, %S.gen.Val %t150)
+  store { ptr, i64, i64 } { ptr @.str.4488, i64 34, i64 0 }, ptr %a153
+  store { ptr, i64, i64 } %t151, ptr %a154
+  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
+  store { ptr, i64, i64 } %t151, ptr %a155
+  call void @finch_str_drop(ptr %a155)
+  %t156 = load { ptr, i64, i64 }, ptr %a152
+  store { ptr, i64, i64 } %t156, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.4489, i64 6, i64 0 }, ptr %a159
+  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
+  store { ptr, i64, i64 } %t156, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a157
+  %t162 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t161, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t161, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t167, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4490, i64 6, i64 0 }, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t167, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  %t172 = load { ptr, i64, i64 }, ptr %a168
+  %t173 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t172, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t172, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.4491, i64 1, i64 0 }, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t178, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t148, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  store { ptr, i64, i64 } %t184, ptr %a186
+  %t187 = load ptr, ptr %a1
+  %t188 = load { ptr, i64, i64 }, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.4492, i64 12, i64 0 }, ptr %a190
+  store { ptr, i64, i64 } %t188, ptr %a191
+  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a189
+  store { ptr, i64, i64 } %t192, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.4493, i64 3, i64 0 }, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load { ptr, i64, i64 }, ptr %a193
+  %t198 = call { ptr, i64, i64 } @finch.gen.op(ptr %t187, { ptr, i64, i64 } %t197)
+  store { ptr, i64, i64 } %t197, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = load ptr, ptr %a1
+  %t201 = icmp eq ptr %t200, null
+  br i1 %t201, label %panic6902, label %ok6903
+panic6902:
+  call void @finch_panic(ptr @.str.4494, i64 3910, ptr @.str.4495)
   unreachable
-ok6532:
-  %t178 = getelementptr inbounds %S.gen.Gen, ptr %t176, i32 0, i32 40
-  store { ptr, i64, i64 } %t175, ptr %t178
-  %t179 = load ptr, ptr %a1
-  %t180 = load { ptr, i64, i64 }, ptr %a53
-  %t181 = call { ptr, i64, i64 } @finch.gen.load(ptr %t179, { ptr, i64, i64 } { ptr @.str.4327, i64 17, i64 0 }, { ptr, i64, i64 } %t180)
-  %t182 = load ptr, ptr %a1
-  %t183 = icmp eq ptr %t182, null
-  br i1 %t183, label %panic6533, label %ok6534
-panic6533:
-  call void @finch_panic(ptr @.str.4328, i64 3627, ptr @.str.4329)
-  unreachable
-ok6534:
-  %t184 = getelementptr inbounds %S.gen.Gen, ptr %t182, i32 0, i32 41
-  store { ptr, i64, i64 } %t181, ptr %t184
-  %t185 = load ptr, ptr %a1
-  %t186 = load ptr, ptr %a1
-  %t187 = load { ptr, i64, i64 }, ptr %a130
-  %t188 = call { ptr, i64, i64 } @finch.gen.load(ptr %t186, { ptr, i64, i64 } { ptr @.str.4330, i64 6, i64 0 }, { ptr, i64, i64 } %t187)
-  %t189 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4331, i64 5, i64 0 })
-  %t190 = load %S.ast.Type, ptr %a3
-  %t191 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t185, { ptr, i64, i64 } %t188, %S.ast.Type %t189, %S.ast.Type %t190)
-  %t192 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t191, 0
-  %t193 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t193, ptr %a194
-  call void @finch.copy.S_ast_Type(ptr %a195, ptr %a194)
-  %t196 = load %S.ast.Type, ptr %a195
-  %t197 = insertvalue %S.gen.Val %t192, %S.ast.Type %t196, 1
-  ret %S.gen.Val %t197
-endif6523:
-  %t198 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t199 = load { ptr, i64, i64 }, ptr %t198
-  store { ptr, i64, i64 } %t199, ptr %a200
-  store { ptr, i64, i64 } { ptr @.str.4332, i64 3, i64 0 }, ptr %a201
-  %t202 = call i32 @finch_str_eq(ptr %a200, ptr %a201)
-  %t203 = icmp ne i32 %t202, 0
-  br label %logic.from6535
-logic.from6535:
-  br i1 %t203, label %logic.rhs6536, label %logic.end6537
-logic.rhs6536:
-  %t204 = load %S.ast.Type, ptr %a3
-  %t205 = call i1 @finch.gen.isNumber(%S.ast.Type %t204)
-  br label %logic.rend6538
-logic.rend6538:
-  br label %logic.end6537
-logic.end6537:
-  %t206 = phi i1 [ false, %logic.from6535 ], [ %t205, %logic.rend6538 ]
-  br i1 %t206, label %then6539, label %endif6541
-then6539:
-  %t207 = load ptr, ptr %a1
+ok6903:
+  %t202 = getelementptr inbounds %S.gen.Gen, ptr %t200, i32 0, i32 41
+  %t203 = load { ptr, i64, i64 }, ptr %t202
+  store { ptr, i64, i64 } %t198, ptr %t202
+  store { ptr, i64, i64 } %t203, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load ptr, ptr %a1
+  %t206 = load { ptr, i64, i64 }, ptr %a51
+  %t207 = call { ptr, i64, i64 } @finch.gen.load(ptr %t205, { ptr, i64, i64 } { ptr @.str.4496, i64 17, i64 0 }, { ptr, i64, i64 } %t206)
   %t208 = load ptr, ptr %a1
   %t209 = icmp eq ptr %t208, null
-  br i1 %t209, label %panic6542, label %ok6543
-panic6542:
-  call void @finch_panic(ptr @.str.4333, i64 3631, ptr @.str.4334)
+  br i1 %t209, label %panic6904, label %ok6905
+panic6904:
+  call void @finch_panic(ptr @.str.4497, i64 3911, ptr @.str.4498)
   unreachable
-ok6543:
-  %t210 = getelementptr inbounds %S.gen.Gen, ptr %t208, i32 0, i32 1
-  %t211 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t212 = load i64, ptr %t211
-  %t213 = load { ptr, i64, i64 }, ptr %t210
-  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
-  %t215 = icmp uge i64 %t212, %t214
-  br i1 %t215, label %range6544, label %inrange6545
-range6544:
-  call void @finch_panic_index(ptr @.str.4335, i64 3631, i64 %t212, i64 %t214)
+ok6905:
+  %t210 = getelementptr inbounds %S.gen.Gen, ptr %t208, i32 0, i32 42
+  %t211 = load { ptr, i64, i64 }, ptr %t210
+  store { ptr, i64, i64 } %t207, ptr %t210
+  store { ptr, i64, i64 } %t211, ptr %a212
+  call void @finch_str_drop(ptr %a212)
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t213, %S.gen.Val %t214)
+  %t215 = load ptr, ptr %a1
+  %t216 = load ptr, ptr %a1
+  %t217 = load { ptr, i64, i64 }, ptr %a145
+  %t218 = call { ptr, i64, i64 } @finch.gen.load(ptr %t216, { ptr, i64, i64 } { ptr @.str.4499, i64 6, i64 0 }, { ptr, i64, i64 } %t217)
+  %t219 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4500, i64 5, i64 0 })
+  %t220 = load %S.ast.Type, ptr %a3
+  %t221 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t215, { ptr, i64, i64 } %t218, %S.ast.Type %t219, %S.ast.Type %t220)
+  store { ptr, i64, i64 } %t218, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  store %S.ast.Type %t219, ptr %a223
+  call void @finch.drop.S_ast_Type(ptr %a223)
+  %t224 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t221, 0
+  %t225 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t225, ptr %a226
+  call void @finch.copy.S_ast_Type(ptr %a227, ptr %a226)
+  %t228 = load %S.ast.Type, ptr %a227
+  %t229 = insertvalue %S.gen.Val %t224, %S.ast.Type %t228, 1
+  call void @finch_str_drop(ptr %a186)
+  call void @finch_str_drop(ptr %a145)
+  call void @finch_str_drop(ptr %a51)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t229
+endif6894:
+  %t230 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t231 = load { ptr, i64, i64 }, ptr %t230
+  store { ptr, i64, i64 } %t231, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.4501, i64 3, i64 0 }, ptr %a233
+  %t234 = call i32 @finch_str_eq(ptr %a232, ptr %a233)
+  %t235 = icmp ne i32 %t234, 0
+  br label %logic.from6906
+logic.from6906:
+  br i1 %t235, label %logic.rhs6907, label %logic.end6908
+logic.rhs6907:
+  %t236 = load %S.ast.Type, ptr %a3
+  %t237 = call i1 @finch.gen.isNumber(%S.ast.Type %t236)
+  br label %logic.rend6909
+logic.rend6909:
+  br label %logic.end6908
+logic.end6908:
+  %t238 = phi i1 [ false, %logic.from6906 ], [ %t237, %logic.rend6909 ]
+  br i1 %t238, label %then6910, label %endif6912
+then6910:
+  %t239 = load ptr, ptr %a1
+  %t240 = load ptr, ptr %a1
+  %t241 = icmp eq ptr %t240, null
+  br i1 %t241, label %panic6913, label %ok6914
+panic6913:
+  call void @finch_panic(ptr @.str.4502, i64 3916, ptr @.str.4503)
   unreachable
-inrange6545:
-  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
-  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i64 %t212
-  %t218 = load { ptr, i64, i64 }, ptr %t217
-  %t219 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t207, { ptr, i64, i64 } %t218)
-  store { ptr, i64, i64 } %t219, ptr %a220
-  %t221 = load %S.ast.Type, ptr %a3
-  %t222 = call i1 @finch.gen.isInt(%S.ast.Type %t221)
-  br i1 %t222, label %then6546, label %endif6548
-then6546:
-  %t223 = load ptr, ptr %a1
-  %t224 = load ptr, ptr %a1
-  %t225 = load %S.gen.Val, ptr %a17
-  %t226 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t224, %S.gen.Val %t225)
-  store { ptr, i64, i64 } { ptr @.str.4336, i64 31, i64 0 }, ptr %a228
-  store { ptr, i64, i64 } %t226, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  store { ptr, i64, i64 } %t230, ptr %a232
-  store { ptr, i64, i64 } { ptr @.str.4337, i64 6, i64 0 }, ptr %a233
-  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
-  %t234 = load { ptr, i64, i64 }, ptr %a231
-  %t235 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t234, ptr %a237
-  store { ptr, i64, i64 } %t235, ptr %a238
-  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
-  %t239 = load { ptr, i64, i64 }, ptr %a236
-  store { ptr, i64, i64 } %t239, ptr %a241
-  store { ptr, i64, i64 } { ptr @.str.4338, i64 6, i64 0 }, ptr %a242
-  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
-  %t243 = load { ptr, i64, i64 }, ptr %a240
-  %t244 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t245 = load i64, ptr %t244
-  call void @finch_str_from_int(ptr %a246, i64 %t245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  store { ptr, i64, i64 } %t243, ptr %a249
-  store { ptr, i64, i64 } %t247, ptr %a250
-  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
-  %t251 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t251, ptr %a253
-  store { ptr, i64, i64 } { ptr @.str.4339, i64 1, i64 0 }, ptr %a254
-  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
-  %t255 = load { ptr, i64, i64 }, ptr %a252
-  %t256 = call { ptr, i64, i64 } @finch.gen.op(ptr %t223, { ptr, i64, i64 } %t255)
-  store { ptr, i64, i64 } %t256, ptr %a257
-  %t258 = load ptr, ptr %a1
-  %t259 = load { ptr, i64, i64 }, ptr %a257
-  %t260 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4340, i64 3, i64 0 })
-  %t261 = load %S.ast.Type, ptr %a3
-  %t262 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t258, { ptr, i64, i64 } %t259, %S.ast.Type %t260, %S.ast.Type %t261)
-  %t263 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t262, 0
-  %t264 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t264, ptr %a265
-  call void @finch.copy.S_ast_Type(ptr %a266, ptr %a265)
-  %t267 = load %S.ast.Type, ptr %a266
-  %t268 = insertvalue %S.gen.Val %t263, %S.ast.Type %t267, 1
-  ret %S.gen.Val %t268
-endif6548:
-  %t269 = load ptr, ptr %a1
-  %t270 = load ptr, ptr %a1
-  %t271 = load %S.gen.Val, ptr %a17
-  %t272 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t270, %S.gen.Val %t271)
-  store { ptr, i64, i64 } { ptr @.str.4341, i64 36, i64 0 }, ptr %a274
-  store { ptr, i64, i64 } %t272, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  store { ptr, i64, i64 } %t276, ptr %a278
-  store { ptr, i64, i64 } { ptr @.str.4342, i64 6, i64 0 }, ptr %a279
-  call void @finch_str_concat(ptr %a277, ptr %a278, ptr %a279)
-  %t280 = load { ptr, i64, i64 }, ptr %a277
-  %t281 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t280, ptr %a283
-  store { ptr, i64, i64 } %t281, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  store { ptr, i64, i64 } %t285, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.4343, i64 6, i64 0 }, ptr %a288
-  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
-  %t289 = load { ptr, i64, i64 }, ptr %a286
-  %t290 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t291 = load i64, ptr %t290
-  call void @finch_str_from_int(ptr %a292, i64 %t291)
-  %t293 = load { ptr, i64, i64 }, ptr %a292
-  store { ptr, i64, i64 } %t289, ptr %a295
-  store { ptr, i64, i64 } %t293, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  store { ptr, i64, i64 } %t297, ptr %a299
-  store { ptr, i64, i64 } { ptr @.str.4344, i64 1, i64 0 }, ptr %a300
-  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
-  %t301 = load { ptr, i64, i64 }, ptr %a298
-  %t302 = call { ptr, i64, i64 } @finch.gen.op(ptr %t269, { ptr, i64, i64 } %t301)
-  store { ptr, i64, i64 } %t302, ptr %a303
-  %t304 = load ptr, ptr %a1
-  %t305 = load { ptr, i64, i64 }, ptr %a303
-  %t306 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4345, i64 5, i64 0 })
+ok6914:
+  %t242 = getelementptr inbounds %S.gen.Gen, ptr %t240, i32 0, i32 1
+  %t243 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t244 = load i64, ptr %t243
+  %t245 = load { ptr, i64, i64 }, ptr %t242
+  %t246 = extractvalue { ptr, i64, i64 } %t245, 1
+  %t247 = icmp uge i64 %t244, %t246
+  br i1 %t247, label %range6915, label %inrange6916
+range6915:
+  call void @finch_panic_index(ptr @.str.4504, i64 3916, i64 %t244, i64 %t246)
+  unreachable
+inrange6916:
+  %t248 = extractvalue { ptr, i64, i64 } %t245, 0
+  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i64 %t244
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  %t251 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t239, { ptr, i64, i64 } %t250)
+  store { ptr, i64, i64 } %t251, ptr %a252
+  %t253 = load %S.ast.Type, ptr %a3
+  %t254 = call i1 @finch.gen.isInt(%S.ast.Type %t253)
+  br i1 %t254, label %then6917, label %endif6919
+then6917:
+  %t255 = load ptr, ptr %a1
+  %t256 = load ptr, ptr %a1
+  %t257 = load %S.gen.Val, ptr %a17
+  %t258 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t256, %S.gen.Val %t257)
+  store { ptr, i64, i64 } { ptr @.str.4505, i64 31, i64 0 }, ptr %a260
+  store { ptr, i64, i64 } %t258, ptr %a261
+  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
+  store { ptr, i64, i64 } %t258, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  %t263 = load { ptr, i64, i64 }, ptr %a259
+  store { ptr, i64, i64 } %t263, ptr %a265
+  store { ptr, i64, i64 } { ptr @.str.4506, i64 6, i64 0 }, ptr %a266
+  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
+  store { ptr, i64, i64 } %t263, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a264
+  %t269 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t268, ptr %a271
+  store { ptr, i64, i64 } %t269, ptr %a272
+  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
+  store { ptr, i64, i64 } %t268, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  %t274 = load { ptr, i64, i64 }, ptr %a270
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.4507, i64 6, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  store { ptr, i64, i64 } %t274, ptr %a278
+  call void @finch_str_drop(ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a275
+  %t280 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t281 = load i64, ptr %t280
+  call void @finch_str_from_int(ptr %a282, i64 %t281)
+  %t283 = load { ptr, i64, i64 }, ptr %a282
+  store { ptr, i64, i64 } %t279, ptr %a285
+  store { ptr, i64, i64 } %t283, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t279, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  store { ptr, i64, i64 } %t283, ptr %a288
+  call void @finch_str_drop(ptr %a288)
+  %t289 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t289, ptr %a291
+  store { ptr, i64, i64 } { ptr @.str.4508, i64 1, i64 0 }, ptr %a292
+  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
+  store { ptr, i64, i64 } %t289, ptr %a293
+  call void @finch_str_drop(ptr %a293)
+  %t294 = load { ptr, i64, i64 }, ptr %a290
+  %t295 = call { ptr, i64, i64 } @finch.gen.op(ptr %t255, { ptr, i64, i64 } %t294)
+  store { ptr, i64, i64 } %t294, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  store { ptr, i64, i64 } %t295, ptr %a297
+  %t298 = load ptr, ptr %a1
+  %t299 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t298, %S.gen.Val %t299)
+  %t300 = load ptr, ptr %a1
+  %t301 = load { ptr, i64, i64 }, ptr %a297
+  %t302 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4509, i64 3, i64 0 })
+  %t303 = load %S.ast.Type, ptr %a3
+  %t304 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t300, { ptr, i64, i64 } %t301, %S.ast.Type %t302, %S.ast.Type %t303)
+  store %S.ast.Type %t302, ptr %a305
+  call void @finch.drop.S_ast_Type(ptr %a305)
+  %t306 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t304, 0
   %t307 = load %S.ast.Type, ptr %a3
-  %t308 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t304, { ptr, i64, i64 } %t305, %S.ast.Type %t306, %S.ast.Type %t307)
-  %t309 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t308, 0
-  %t310 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t310, ptr %a311
-  call void @finch.copy.S_ast_Type(ptr %a312, ptr %a311)
-  %t313 = load %S.ast.Type, ptr %a312
-  %t314 = insertvalue %S.gen.Val %t309, %S.ast.Type %t313, 1
-  ret %S.gen.Val %t314
-endif6541:
-  %t315 = load %S.ast.Type, ptr %a3
-  %t316 = call i1 @finch.gen.isInt(%S.ast.Type %t315)
-  br label %logic.from6549
-logic.from6549:
-  br i1 %t316, label %logic.rhs6550, label %logic.end6551
-logic.rhs6550:
-  %t317 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t318 = load { ptr, i64, i64 }, ptr %t317
-  store { ptr, i64, i64 } %t318, ptr %a319
-  store { ptr, i64, i64 } { ptr @.str.4346, i64 4, i64 0 }, ptr %a320
-  %t321 = call i32 @finch_str_eq(ptr %a319, ptr %a320)
-  %t322 = icmp ne i32 %t321, 0
-  br label %logic.rend6552
-logic.rend6552:
-  br label %logic.end6551
-logic.end6551:
-  %t323 = phi i1 [ false, %logic.from6549 ], [ %t322, %logic.rend6552 ]
-  br i1 %t323, label %then6553, label %endif6555
-then6553:
-  %t324 = load ptr, ptr %a1
-  %t325 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t326 = load { ptr, i64, i64 }, ptr %t325
-  %t327 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4347, i64 3, i64 0 })
-  %t328 = load %S.ast.Type, ptr %a3
-  %t329 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t324, { ptr, i64, i64 } %t326, %S.ast.Type %t327, %S.ast.Type %t328)
-  %t330 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t329, 0
-  %t331 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t331, ptr %a332
-  call void @finch.copy.S_ast_Type(ptr %a333, ptr %a332)
-  %t334 = load %S.ast.Type, ptr %a333
-  %t335 = insertvalue %S.gen.Val %t330, %S.ast.Type %t334, 1
-  ret %S.gen.Val %t335
-endif6555:
-  %t336 = load %S.ast.Type, ptr %a3
-  %t337 = call i1 @finch.gen.isInt(%S.ast.Type %t336)
-  br label %logic.from6556
-logic.from6556:
-  br i1 %t337, label %logic.end6558, label %logic.rhs6557
-logic.rhs6557:
-  %t338 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t339 = load { ptr, i64, i64 }, ptr %t338
-  store { ptr, i64, i64 } %t339, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.4348, i64 4, i64 0 }, ptr %a341
-  %t342 = call i32 @finch_str_eq(ptr %a340, ptr %a341)
-  %t343 = icmp ne i32 %t342, 0
-  br label %logic.rend6559
-logic.rend6559:
-  br label %logic.end6558
-logic.end6558:
-  %t344 = phi i1 [ true, %logic.from6556 ], [ %t343, %logic.rend6559 ]
-  br i1 %t344, label %then6560, label %endif6562
-then6560:
-  %t345 = load %S.ast.Type, ptr %a23
-  %t346 = call i1 @finch.gen.isInt(%S.ast.Type %t345)
-  br label %logic.from6563
-logic.from6563:
-  br i1 %t346, label %logic.end6565, label %logic.rhs6564
-logic.rhs6564:
-  %t347 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t348 = load { ptr, i64, i64 }, ptr %t347
-  store { ptr, i64, i64 } %t348, ptr %a349
-  store { ptr, i64, i64 } { ptr @.str.4349, i64 4, i64 0 }, ptr %a350
-  %t351 = call i32 @finch_str_eq(ptr %a349, ptr %a350)
-  %t352 = icmp ne i32 %t351, 0
-  br label %logic.rend6566
-logic.rend6566:
-  br label %logic.end6565
-logic.end6565:
-  %t353 = phi i1 [ true, %logic.from6563 ], [ %t352, %logic.rend6566 ]
-  br i1 %t353, label %then6567, label %endif6569
-then6567:
-  %t354 = load ptr, ptr %a1
-  %t355 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t356 = load { ptr, i64, i64 }, ptr %t355
-  %t357 = load %S.ast.Type, ptr %a23
-  %t358 = load %S.ast.Type, ptr %a3
-  %t359 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t354, { ptr, i64, i64 } %t356, %S.ast.Type %t357, %S.ast.Type %t358)
-  %t360 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t359, 0
-  %t361 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t361, ptr %a362
-  call void @finch.copy.S_ast_Type(ptr %a363, ptr %a362)
-  %t364 = load %S.ast.Type, ptr %a363
-  %t365 = insertvalue %S.gen.Val %t360, %S.ast.Type %t364, 1
-  ret %S.gen.Val %t365
-endif6569:
-  %t366 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t367 = load { ptr, i64, i64 }, ptr %t366
-  store { ptr, i64, i64 } %t367, ptr %a368
-  store { ptr, i64, i64 } { ptr @.str.4350, i64 4, i64 0 }, ptr %a369
-  %t370 = call i32 @finch_str_eq(ptr %a368, ptr %a369)
-  %t371 = icmp ne i32 %t370, 0
-  br i1 %t371, label %then6570, label %endif6572
-then6570:
-  %t372 = load ptr, ptr %a1
-  %t373 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t374 = load { ptr, i64, i64 }, ptr %t373
-  store { ptr, i64, i64 } { ptr @.str.4351, i64 8, i64 0 }, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  store { ptr, i64, i64 } %t378, ptr %a380
-  store { ptr, i64, i64 } { ptr @.str.4352, i64 4, i64 0 }, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  %t383 = load ptr, ptr %a1
-  %t384 = load %S.ast.Type, ptr %a3
-  %t385 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t383, %S.ast.Type %t384)
-  store { ptr, i64, i64 } %t382, ptr %a387
-  store { ptr, i64, i64 } %t385, ptr %a388
-  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
-  %t389 = load { ptr, i64, i64 }, ptr %a386
-  %t390 = call { ptr, i64, i64 } @finch.gen.op(ptr %t372, { ptr, i64, i64 } %t389)
-  %t391 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t390, 0
-  %t392 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t392, ptr %a393
-  call void @finch.copy.S_ast_Type(ptr %a394, ptr %a393)
-  %t395 = load %S.ast.Type, ptr %a394
-  %t396 = insertvalue %S.gen.Val %t391, %S.ast.Type %t395, 1
-  ret %S.gen.Val %t396
-endif6572:
-  %t397 = load %S.ast.Type, ptr %a23
-  %t398 = call i1 @finch.gen.isFloat(%S.ast.Type %t397)
-  br label %logic.from6573
-logic.from6573:
-  br i1 %t398, label %logic.rhs6574, label %logic.end6575
-logic.rhs6574:
-  %t399 = load %S.ast.Type, ptr %a3
-  %t400 = call i1 @finch.gen.isInt(%S.ast.Type %t399)
-  br label %logic.rend6576
-logic.rend6576:
-  br label %logic.end6575
-logic.end6575:
-  %t401 = phi i1 [ false, %logic.from6573 ], [ %t400, %logic.rend6576 ]
-  br i1 %t401, label %then6577, label %endif6579
-then6577:
-  store { ptr, i64, i64 } { ptr @.str.4353, i64 6, i64 0 }, ptr %a402
-  %t403 = load %S.ast.Type, ptr %a3
-  %t404 = call i1 @finch.gen.isSigned(%S.ast.Type %t403)
-  br i1 %t404, label %then6580, label %endif6582
-then6580:
-  store { ptr, i64, i64 } { ptr @.str.4354, i64 6, i64 0 }, ptr %a402
-  br label %endif6582
-endif6582:
-  %t405 = load ptr, ptr %a1
-  %t406 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t406, ptr %a408
-  store { ptr, i64, i64 } { ptr @.str.4355, i64 1, i64 0 }, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  %t411 = load ptr, ptr %a1
+  store %S.ast.Type %t307, ptr %a308
+  call void @finch.copy.S_ast_Type(ptr %a309, ptr %a308)
+  %t310 = load %S.ast.Type, ptr %a309
+  %t311 = insertvalue %S.gen.Val %t306, %S.ast.Type %t310, 1
+  call void @finch_str_drop(ptr %a297)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t311
+endif6919:
+  %t312 = load ptr, ptr %a1
+  %t313 = load ptr, ptr %a1
+  %t314 = load %S.gen.Val, ptr %a17
+  %t315 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t313, %S.gen.Val %t314)
+  store { ptr, i64, i64 } { ptr @.str.4510, i64 36, i64 0 }, ptr %a317
+  store { ptr, i64, i64 } %t315, ptr %a318
+  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
+  store { ptr, i64, i64 } %t315, ptr %a319
+  call void @finch_str_drop(ptr %a319)
+  %t320 = load { ptr, i64, i64 }, ptr %a316
+  store { ptr, i64, i64 } %t320, ptr %a322
+  store { ptr, i64, i64 } { ptr @.str.4511, i64 6, i64 0 }, ptr %a323
+  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
+  store { ptr, i64, i64 } %t320, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  %t325 = load { ptr, i64, i64 }, ptr %a321
+  %t326 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t325, ptr %a328
+  store { ptr, i64, i64 } %t326, ptr %a329
+  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
+  store { ptr, i64, i64 } %t325, ptr %a330
+  call void @finch_str_drop(ptr %a330)
+  %t331 = load { ptr, i64, i64 }, ptr %a327
+  store { ptr, i64, i64 } %t331, ptr %a333
+  store { ptr, i64, i64 } { ptr @.str.4512, i64 6, i64 0 }, ptr %a334
+  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
+  store { ptr, i64, i64 } %t331, ptr %a335
+  call void @finch_str_drop(ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a332
+  %t337 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t338 = load i64, ptr %t337
+  call void @finch_str_from_int(ptr %a339, i64 %t338)
+  %t340 = load { ptr, i64, i64 }, ptr %a339
+  store { ptr, i64, i64 } %t336, ptr %a342
+  store { ptr, i64, i64 } %t340, ptr %a343
+  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
+  store { ptr, i64, i64 } %t336, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  store { ptr, i64, i64 } %t340, ptr %a345
+  call void @finch_str_drop(ptr %a345)
+  %t346 = load { ptr, i64, i64 }, ptr %a341
+  store { ptr, i64, i64 } %t346, ptr %a348
+  store { ptr, i64, i64 } { ptr @.str.4513, i64 1, i64 0 }, ptr %a349
+  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
+  store { ptr, i64, i64 } %t346, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  %t351 = load { ptr, i64, i64 }, ptr %a347
+  %t352 = call { ptr, i64, i64 } @finch.gen.op(ptr %t312, { ptr, i64, i64 } %t351)
+  store { ptr, i64, i64 } %t351, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  store { ptr, i64, i64 } %t352, ptr %a354
+  %t355 = load ptr, ptr %a1
+  %t356 = load %S.gen.Val, ptr %a17
+  call void @finch.gen.release(ptr %t355, %S.gen.Val %t356)
+  %t357 = load ptr, ptr %a1
+  %t358 = load { ptr, i64, i64 }, ptr %a354
+  %t359 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4514, i64 5, i64 0 })
+  %t360 = load %S.ast.Type, ptr %a3
+  %t361 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t357, { ptr, i64, i64 } %t358, %S.ast.Type %t359, %S.ast.Type %t360)
+  store %S.ast.Type %t359, ptr %a362
+  call void @finch.drop.S_ast_Type(ptr %a362)
+  %t363 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t361, 0
+  %t364 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t364, ptr %a365
+  call void @finch.copy.S_ast_Type(ptr %a366, ptr %a365)
+  %t367 = load %S.ast.Type, ptr %a366
+  %t368 = insertvalue %S.gen.Val %t363, %S.ast.Type %t367, 1
+  call void @finch_str_drop(ptr %a354)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t368
+endif6912:
+  %t369 = load %S.ast.Type, ptr %a3
+  %t370 = call i1 @finch.gen.isInt(%S.ast.Type %t369)
+  br label %logic.from6920
+logic.from6920:
+  br i1 %t370, label %logic.rhs6921, label %logic.end6922
+logic.rhs6921:
+  %t371 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t372 = load { ptr, i64, i64 }, ptr %t371
+  store { ptr, i64, i64 } %t372, ptr %a373
+  store { ptr, i64, i64 } { ptr @.str.4515, i64 4, i64 0 }, ptr %a374
+  %t375 = call i32 @finch_str_eq(ptr %a373, ptr %a374)
+  %t376 = icmp ne i32 %t375, 0
+  br label %logic.rend6923
+logic.rend6923:
+  br label %logic.end6922
+logic.end6922:
+  %t377 = phi i1 [ false, %logic.from6920 ], [ %t376, %logic.rend6923 ]
+  br i1 %t377, label %then6924, label %endif6926
+then6924:
+  %t378 = load ptr, ptr %a1
+  %t379 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t380 = load { ptr, i64, i64 }, ptr %t379
+  %t381 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4516, i64 3, i64 0 })
+  %t382 = load %S.ast.Type, ptr %a3
+  %t383 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t378, { ptr, i64, i64 } %t380, %S.ast.Type %t381, %S.ast.Type %t382)
+  store %S.ast.Type %t381, ptr %a384
+  call void @finch.drop.S_ast_Type(ptr %a384)
+  %t385 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t383, 0
+  %t386 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t386, ptr %a387
+  call void @finch.copy.S_ast_Type(ptr %a388, ptr %a387)
+  %t389 = load %S.ast.Type, ptr %a388
+  %t390 = insertvalue %S.gen.Val %t385, %S.ast.Type %t389, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t390
+endif6926:
+  %t391 = load %S.ast.Type, ptr %a3
+  %t392 = call i1 @finch.gen.isInt(%S.ast.Type %t391)
+  br label %logic.from6927
+logic.from6927:
+  br i1 %t392, label %logic.end6929, label %logic.rhs6928
+logic.rhs6928:
+  %t393 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t394 = load { ptr, i64, i64 }, ptr %t393
+  store { ptr, i64, i64 } %t394, ptr %a395
+  store { ptr, i64, i64 } { ptr @.str.4517, i64 4, i64 0 }, ptr %a396
+  %t397 = call i32 @finch_str_eq(ptr %a395, ptr %a396)
+  %t398 = icmp ne i32 %t397, 0
+  br label %logic.rend6930
+logic.rend6930:
+  br label %logic.end6929
+logic.end6929:
+  %t399 = phi i1 [ true, %logic.from6927 ], [ %t398, %logic.rend6930 ]
+  br i1 %t399, label %then6931, label %endif6933
+then6931:
+  %t400 = load %S.ast.Type, ptr %a23
+  %t401 = call i1 @finch.gen.isInt(%S.ast.Type %t400)
+  br label %logic.from6934
+logic.from6934:
+  br i1 %t401, label %logic.end6936, label %logic.rhs6935
+logic.rhs6935:
+  %t402 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t403 = load { ptr, i64, i64 }, ptr %t402
+  store { ptr, i64, i64 } %t403, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.4518, i64 4, i64 0 }, ptr %a405
+  %t406 = call i32 @finch_str_eq(ptr %a404, ptr %a405)
+  %t407 = icmp ne i32 %t406, 0
+  br label %logic.rend6937
+logic.rend6937:
+  br label %logic.end6936
+logic.end6936:
+  %t408 = phi i1 [ true, %logic.from6934 ], [ %t407, %logic.rend6937 ]
+  br i1 %t408, label %then6938, label %endif6940
+then6938:
+  %t409 = load ptr, ptr %a1
+  %t410 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t411 = load { ptr, i64, i64 }, ptr %t410
   %t412 = load %S.ast.Type, ptr %a23
-  %t413 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t411, %S.ast.Type %t412)
-  store { ptr, i64, i64 } %t410, ptr %a415
-  store { ptr, i64, i64 } %t413, ptr %a416
-  call void @finch_str_concat(ptr %a414, ptr %a415, ptr %a416)
-  %t417 = load { ptr, i64, i64 }, ptr %a414
-  store { ptr, i64, i64 } %t417, ptr %a419
-  store { ptr, i64, i64 } { ptr @.str.4356, i64 1, i64 0 }, ptr %a420
-  call void @finch_str_concat(ptr %a418, ptr %a419, ptr %a420)
-  %t421 = load { ptr, i64, i64 }, ptr %a418
-  %t422 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t423 = load { ptr, i64, i64 }, ptr %t422
-  store { ptr, i64, i64 } %t421, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t427, ptr %a429
-  store { ptr, i64, i64 } { ptr @.str.4357, i64 4, i64 0 }, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load ptr, ptr %a1
-  %t433 = load %S.ast.Type, ptr %a3
-  %t434 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t432, %S.ast.Type %t433)
-  store { ptr, i64, i64 } %t431, ptr %a436
-  store { ptr, i64, i64 } %t434, ptr %a437
-  call void @finch_str_concat(ptr %a435, ptr %a436, ptr %a437)
-  %t438 = load { ptr, i64, i64 }, ptr %a435
-  %t439 = call { ptr, i64, i64 } @finch.gen.op(ptr %t405, { ptr, i64, i64 } %t438)
-  %t440 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t439, 0
-  %t441 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t441, ptr %a442
-  call void @finch.copy.S_ast_Type(ptr %a443, ptr %a442)
-  %t444 = load %S.ast.Type, ptr %a443
-  %t445 = insertvalue %S.gen.Val %t440, %S.ast.Type %t444, 1
-  ret %S.gen.Val %t445
-endif6579:
-  br label %endif6562
-endif6562:
-  %t446 = load %S.ast.Type, ptr %a3
-  %t447 = call i1 @finch.gen.isFloat(%S.ast.Type %t446)
-  br i1 %t447, label %then6583, label %endif6585
-then6583:
-  %t448 = load %S.ast.Type, ptr %a23
-  %t449 = call i1 @finch.gen.isInt(%S.ast.Type %t448)
-  br i1 %t449, label %then6586, label %endif6588
-then6586:
-  %t450 = load ptr, ptr %a1
-  %t451 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t452 = load { ptr, i64, i64 }, ptr %t451
-  %t453 = load %S.ast.Type, ptr %a23
-  %t454 = load %S.ast.Type, ptr %a3
-  %t455 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t450, { ptr, i64, i64 } %t452, %S.ast.Type %t453, %S.ast.Type %t454)
-  %t456 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t455, 0
-  %t457 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t457, ptr %a458
-  call void @finch.copy.S_ast_Type(ptr %a459, ptr %a458)
-  %t460 = load %S.ast.Type, ptr %a459
-  %t461 = insertvalue %S.gen.Val %t456, %S.ast.Type %t460, 1
-  ret %S.gen.Val %t461
-endif6588:
-  %t462 = load %S.ast.Type, ptr %a23
-  %t463 = call i1 @finch.gen.isFloat(%S.ast.Type %t462)
-  br i1 %t463, label %then6589, label %endif6591
-then6589:
-  %t464 = load ptr, ptr %a1
-  %t465 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t466 = load { ptr, i64, i64 }, ptr %t465
-  %t467 = load %S.ast.Type, ptr %a23
-  %t468 = load %S.ast.Type, ptr %a3
-  %t469 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t464, { ptr, i64, i64 } %t466, %S.ast.Type %t467, %S.ast.Type %t468)
-  %t470 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t469, 0
-  %t471 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t471, ptr %a472
-  call void @finch.copy.S_ast_Type(ptr %a473, ptr %a472)
-  %t474 = load %S.ast.Type, ptr %a473
-  %t475 = insertvalue %S.gen.Val %t470, %S.ast.Type %t474, 1
-  ret %S.gen.Val %t475
-endif6591:
-  br label %endif6585
-endif6585:
-  %t476 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t477 = load { ptr, i64, i64 }, ptr %t476
-  store { ptr, i64, i64 } %t477, ptr %a478
-  store { ptr, i64, i64 } { ptr @.str.4358, i64 4, i64 0 }, ptr %a479
-  %t480 = call i32 @finch_str_eq(ptr %a478, ptr %a479)
-  %t481 = icmp ne i32 %t480, 0
-  br label %logic.from6592
-logic.from6592:
-  br i1 %t481, label %logic.rhs6593, label %logic.end6594
-logic.rhs6593:
-  %t482 = load %S.ast.Type, ptr %a23
-  %t483 = call i1 @finch.gen.isInt(%S.ast.Type %t482)
-  br label %logic.rend6595
-logic.rend6595:
-  br label %logic.end6594
-logic.end6594:
-  %t484 = phi i1 [ false, %logic.from6592 ], [ %t483, %logic.rend6595 ]
-  br i1 %t484, label %then6596, label %endif6598
-then6596:
-  %t485 = load ptr, ptr %a1
-  %t486 = load ptr, ptr %a1
-  %t487 = load %S.ast.Type, ptr %a23
-  %t488 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t486, %S.ast.Type %t487)
-  store { ptr, i64, i64 } { ptr @.str.4359, i64 8, i64 0 }, ptr %a490
-  store { ptr, i64, i64 } %t488, ptr %a491
-  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
-  %t492 = load { ptr, i64, i64 }, ptr %a489
+  %t413 = load %S.ast.Type, ptr %a3
+  %t414 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t409, { ptr, i64, i64 } %t411, %S.ast.Type %t412, %S.ast.Type %t413)
+  %t415 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t414, 0
+  %t416 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t416, ptr %a417
+  call void @finch.copy.S_ast_Type(ptr %a418, ptr %a417)
+  %t419 = load %S.ast.Type, ptr %a418
+  %t420 = insertvalue %S.gen.Val %t415, %S.ast.Type %t419, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t420
+endif6940:
+  %t421 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t422 = load { ptr, i64, i64 }, ptr %t421
+  store { ptr, i64, i64 } %t422, ptr %a423
+  store { ptr, i64, i64 } { ptr @.str.4519, i64 4, i64 0 }, ptr %a424
+  %t425 = call i32 @finch_str_eq(ptr %a423, ptr %a424)
+  %t426 = icmp ne i32 %t425, 0
+  br i1 %t426, label %then6941, label %endif6943
+then6941:
+  %t427 = load ptr, ptr %a1
+  %t428 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t429 = load { ptr, i64, i64 }, ptr %t428
+  store { ptr, i64, i64 } { ptr @.str.4520, i64 8, i64 0 }, ptr %a431
+  store { ptr, i64, i64 } %t429, ptr %a432
+  call void @finch_str_concat(ptr %a430, ptr %a431, ptr %a432)
+  %t433 = load { ptr, i64, i64 }, ptr %a430
+  store { ptr, i64, i64 } %t433, ptr %a435
+  store { ptr, i64, i64 } { ptr @.str.4521, i64 4, i64 0 }, ptr %a436
+  call void @finch_str_concat(ptr %a434, ptr %a435, ptr %a436)
+  store { ptr, i64, i64 } %t433, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a434
+  %t439 = load ptr, ptr %a1
+  %t440 = load %S.ast.Type, ptr %a3
+  %t441 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t439, %S.ast.Type %t440)
+  store { ptr, i64, i64 } %t438, ptr %a443
+  store { ptr, i64, i64 } %t441, ptr %a444
+  call void @finch_str_concat(ptr %a442, ptr %a443, ptr %a444)
+  store { ptr, i64, i64 } %t438, ptr %a445
+  call void @finch_str_drop(ptr %a445)
+  store { ptr, i64, i64 } %t441, ptr %a446
+  call void @finch_str_drop(ptr %a446)
+  %t447 = load { ptr, i64, i64 }, ptr %a442
+  %t448 = call { ptr, i64, i64 } @finch.gen.op(ptr %t427, { ptr, i64, i64 } %t447)
+  store { ptr, i64, i64 } %t447, ptr %a449
+  call void @finch_str_drop(ptr %a449)
+  %t450 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t448, 0
+  %t451 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t451, ptr %a452
+  call void @finch.copy.S_ast_Type(ptr %a453, ptr %a452)
+  %t454 = load %S.ast.Type, ptr %a453
+  %t455 = insertvalue %S.gen.Val %t450, %S.ast.Type %t454, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t455
+endif6943:
+  %t456 = load %S.ast.Type, ptr %a23
+  %t457 = call i1 @finch.gen.isFloat(%S.ast.Type %t456)
+  br label %logic.from6944
+logic.from6944:
+  br i1 %t457, label %logic.rhs6945, label %logic.end6946
+logic.rhs6945:
+  %t458 = load %S.ast.Type, ptr %a3
+  %t459 = call i1 @finch.gen.isInt(%S.ast.Type %t458)
+  br label %logic.rend6947
+logic.rend6947:
+  br label %logic.end6946
+logic.end6946:
+  %t460 = phi i1 [ false, %logic.from6944 ], [ %t459, %logic.rend6947 ]
+  br i1 %t460, label %then6948, label %endif6950
+then6948:
+  store { ptr, i64, i64 } { ptr @.str.4522, i64 6, i64 0 }, ptr %a461
+  %t462 = load %S.ast.Type, ptr %a3
+  %t463 = call i1 @finch.gen.isSigned(%S.ast.Type %t462)
+  br i1 %t463, label %then6951, label %endif6953
+then6951:
+  %t464 = load { ptr, i64, i64 }, ptr %a461
+  store { ptr, i64, i64 } { ptr @.str.4523, i64 6, i64 0 }, ptr %a461
+  store { ptr, i64, i64 } %t464, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  br label %endif6953
+endif6953:
+  %t466 = load ptr, ptr %a1
+  %t467 = load { ptr, i64, i64 }, ptr %a461
+  store { ptr, i64, i64 } %t467, ptr %a469
+  store { ptr, i64, i64 } { ptr @.str.4524, i64 1, i64 0 }, ptr %a470
+  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
+  %t471 = load { ptr, i64, i64 }, ptr %a468
+  %t472 = load ptr, ptr %a1
+  %t473 = load %S.ast.Type, ptr %a23
+  %t474 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t472, %S.ast.Type %t473)
+  store { ptr, i64, i64 } %t471, ptr %a476
+  store { ptr, i64, i64 } %t474, ptr %a477
+  call void @finch_str_concat(ptr %a475, ptr %a476, ptr %a477)
+  store { ptr, i64, i64 } %t471, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  store { ptr, i64, i64 } %t474, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  %t480 = load { ptr, i64, i64 }, ptr %a475
+  store { ptr, i64, i64 } %t480, ptr %a482
+  store { ptr, i64, i64 } { ptr @.str.4525, i64 1, i64 0 }, ptr %a483
+  call void @finch_str_concat(ptr %a481, ptr %a482, ptr %a483)
+  store { ptr, i64, i64 } %t480, ptr %a484
+  call void @finch_str_drop(ptr %a484)
+  %t485 = load { ptr, i64, i64 }, ptr %a481
+  %t486 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t487 = load { ptr, i64, i64 }, ptr %t486
+  store { ptr, i64, i64 } %t485, ptr %a489
+  store { ptr, i64, i64 } %t487, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  store { ptr, i64, i64 } %t485, ptr %a491
+  call void @finch_str_drop(ptr %a491)
+  %t492 = load { ptr, i64, i64 }, ptr %a488
   store { ptr, i64, i64 } %t492, ptr %a494
-  store { ptr, i64, i64 } { ptr @.str.4360, i64 1, i64 0 }, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.4526, i64 4, i64 0 }, ptr %a495
   call void @finch_str_concat(ptr %a493, ptr %a494, ptr %a495)
-  %t496 = load { ptr, i64, i64 }, ptr %a493
-  %t497 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t498 = load { ptr, i64, i64 }, ptr %t497
-  store { ptr, i64, i64 } %t496, ptr %a500
-  store { ptr, i64, i64 } %t498, ptr %a501
-  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
-  %t502 = load { ptr, i64, i64 }, ptr %a499
-  store { ptr, i64, i64 } %t502, ptr %a504
-  store { ptr, i64, i64 } { ptr @.str.4361, i64 3, i64 0 }, ptr %a505
-  call void @finch_str_concat(ptr %a503, ptr %a504, ptr %a505)
-  %t506 = load { ptr, i64, i64 }, ptr %a503
-  %t507 = call { ptr, i64, i64 } @finch.gen.op(ptr %t485, { ptr, i64, i64 } %t506)
-  %t508 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t507, 0
-  %t509 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t509, ptr %a510
-  call void @finch.copy.S_ast_Type(ptr %a511, ptr %a510)
-  %t512 = load %S.ast.Type, ptr %a511
-  %t513 = insertvalue %S.gen.Val %t508, %S.ast.Type %t512, 1
-  ret %S.gen.Val %t513
-endif6598:
-  %t514 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t515 = load { ptr, i64, i64 }, ptr %t514
-  store { ptr, i64, i64 } %t515, ptr %a516
-  store { ptr, i64, i64 } { ptr @.str.4362, i64 3, i64 0 }, ptr %a517
-  %t518 = call i32 @finch_str_eq(ptr %a516, ptr %a517)
-  %t519 = icmp ne i32 %t518, 0
-  br label %logic.from6599
-logic.from6599:
-  br i1 %t519, label %logic.rhs6600, label %logic.end6601
-logic.rhs6600:
-  %t520 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  store { ptr, i64, i64 } %t492, ptr %a496
+  call void @finch_str_drop(ptr %a496)
+  %t497 = load { ptr, i64, i64 }, ptr %a493
+  %t498 = load ptr, ptr %a1
+  %t499 = load %S.ast.Type, ptr %a3
+  %t500 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t498, %S.ast.Type %t499)
+  store { ptr, i64, i64 } %t497, ptr %a502
+  store { ptr, i64, i64 } %t500, ptr %a503
+  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
+  store { ptr, i64, i64 } %t497, ptr %a504
+  call void @finch_str_drop(ptr %a504)
+  store { ptr, i64, i64 } %t500, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = load { ptr, i64, i64 }, ptr %a501
+  %t507 = call { ptr, i64, i64 } @finch.gen.op(ptr %t466, { ptr, i64, i64 } %t506)
+  store { ptr, i64, i64 } %t506, ptr %a508
+  call void @finch_str_drop(ptr %a508)
+  %t509 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t507, 0
+  %t510 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t510, ptr %a511
+  call void @finch.copy.S_ast_Type(ptr %a512, ptr %a511)
+  %t513 = load %S.ast.Type, ptr %a512
+  %t514 = insertvalue %S.gen.Val %t509, %S.ast.Type %t513, 1
+  call void @finch_str_drop(ptr %a461)
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t514
+endif6950:
+  br label %endif6933
+endif6933:
+  %t515 = load %S.ast.Type, ptr %a3
+  %t516 = call i1 @finch.gen.isFloat(%S.ast.Type %t515)
+  br i1 %t516, label %then6954, label %endif6956
+then6954:
+  %t517 = load %S.ast.Type, ptr %a23
+  %t518 = call i1 @finch.gen.isInt(%S.ast.Type %t517)
+  br i1 %t518, label %then6957, label %endif6959
+then6957:
+  %t519 = load ptr, ptr %a1
+  %t520 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
   %t521 = load { ptr, i64, i64 }, ptr %t520
-  store { ptr, i64, i64 } %t521, ptr %a522
-  store { ptr, i64, i64 } { ptr @.str.4363, i64 3, i64 0 }, ptr %a523
-  %t524 = call i32 @finch_str_eq(ptr %a522, ptr %a523)
-  %t525 = icmp ne i32 %t524, 0
-  br label %logic.from6602
-logic.from6602:
-  br i1 %t525, label %logic.end6604, label %logic.rhs6603
-logic.rhs6603:
-  %t526 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t527 = load { ptr, i64, i64 }, ptr %t526
-  store { ptr, i64, i64 } %t527, ptr %a528
-  store { ptr, i64, i64 } { ptr @.str.4364, i64 4, i64 0 }, ptr %a529
-  %t530 = call i32 @finch_str_eq(ptr %a528, ptr %a529)
-  %t531 = icmp ne i32 %t530, 0
-  br label %logic.rend6605
-logic.rend6605:
-  br label %logic.end6604
-logic.end6604:
-  %t532 = phi i1 [ true, %logic.from6602 ], [ %t531, %logic.rend6605 ]
-  br label %logic.rend6606
-logic.rend6606:
-  br label %logic.end6601
-logic.end6601:
-  %t533 = phi i1 [ false, %logic.from6599 ], [ %t532, %logic.rend6606 ]
-  br i1 %t533, label %then6607, label %endif6609
-then6607:
+  %t522 = load %S.ast.Type, ptr %a23
+  %t523 = load %S.ast.Type, ptr %a3
+  %t524 = call { ptr, i64, i64 } @finch.gen.intToFloat(ptr %t519, { ptr, i64, i64 } %t521, %S.ast.Type %t522, %S.ast.Type %t523)
+  %t525 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t524, 0
+  %t526 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t526, ptr %a527
+  call void @finch.copy.S_ast_Type(ptr %a528, ptr %a527)
+  %t529 = load %S.ast.Type, ptr %a528
+  %t530 = insertvalue %S.gen.Val %t525, %S.ast.Type %t529, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t530
+endif6959:
+  %t531 = load %S.ast.Type, ptr %a23
+  %t532 = call i1 @finch.gen.isFloat(%S.ast.Type %t531)
+  br i1 %t532, label %then6960, label %endif6962
+then6960:
+  %t533 = load ptr, ptr %a1
   %t534 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
   %t535 = load { ptr, i64, i64 }, ptr %t534
-  store { ptr, i64, i64 } %t535, ptr %a536
-  call void @finch_str_copy(ptr %a537, ptr %a536)
-  %t538 = load { ptr, i64, i64 }, ptr %a537
+  %t536 = load %S.ast.Type, ptr %a23
+  %t537 = load %S.ast.Type, ptr %a3
+  %t538 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t533, { ptr, i64, i64 } %t535, %S.ast.Type %t536, %S.ast.Type %t537)
   %t539 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t538, 0
   %t540 = load %S.ast.Type, ptr %a3
   store %S.ast.Type %t540, ptr %a541
   call void @finch.copy.S_ast_Type(ptr %a542, ptr %a541)
   %t543 = load %S.ast.Type, ptr %a542
   %t544 = insertvalue %S.gen.Val %t539, %S.ast.Type %t543, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
   ret %S.gen.Val %t544
-endif6609:
+endif6962:
+  br label %endif6956
+endif6956:
   %t545 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
   %t546 = load { ptr, i64, i64 }, ptr %t545
   store { ptr, i64, i64 } %t546, ptr %a547
-  store { ptr, i64, i64 } { ptr @.str.4365, i64 3, i64 0 }, ptr %a548
+  store { ptr, i64, i64 } { ptr @.str.4527, i64 4, i64 0 }, ptr %a548
   %t549 = call i32 @finch_str_eq(ptr %a547, ptr %a548)
   %t550 = icmp ne i32 %t549, 0
-  br label %logic.from6610
-logic.from6610:
-  br i1 %t550, label %logic.rhs6611, label %logic.end6612
-logic.rhs6611:
+  br label %logic.from6963
+logic.from6963:
+  br i1 %t550, label %logic.rhs6964, label %logic.end6965
+logic.rhs6964:
   %t551 = load %S.ast.Type, ptr %a23
   %t552 = call i1 @finch.gen.isInt(%S.ast.Type %t551)
-  br label %logic.rend6613
-logic.rend6613:
-  br label %logic.end6612
-logic.end6612:
-  %t553 = phi i1 [ false, %logic.from6610 ], [ %t552, %logic.rend6613 ]
-  br i1 %t553, label %then6614, label %endif6616
-then6614:
+  br label %logic.rend6966
+logic.rend6966:
+  br label %logic.end6965
+logic.end6965:
+  %t553 = phi i1 [ false, %logic.from6963 ], [ %t552, %logic.rend6966 ]
+  br i1 %t553, label %then6967, label %endif6969
+then6967:
   %t554 = load ptr, ptr %a1
   %t555 = load ptr, ptr %a1
-  %t556 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t557 = load { ptr, i64, i64 }, ptr %t556
-  %t558 = load %S.ast.Type, ptr %a23
-  %t559 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4367, i64 3, i64 0 })
-  %t560 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t555, { ptr, i64, i64 } %t557, %S.ast.Type %t558, %S.ast.Type %t559)
-  store { ptr, i64, i64 } { ptr @.str.4366, i64 13, i64 0 }, ptr %a562
-  store { ptr, i64, i64 } %t560, ptr %a563
-  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
-  %t564 = load { ptr, i64, i64 }, ptr %a561
-  store { ptr, i64, i64 } %t564, ptr %a566
-  store { ptr, i64, i64 } { ptr @.str.4368, i64 7, i64 0 }, ptr %a567
-  call void @finch_str_concat(ptr %a565, ptr %a566, ptr %a567)
-  %t568 = load { ptr, i64, i64 }, ptr %a565
-  %t569 = call { ptr, i64, i64 } @finch.gen.op(ptr %t554, { ptr, i64, i64 } %t568)
-  %t570 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t569, 0
-  %t571 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t571, ptr %a572
-  call void @finch.copy.S_ast_Type(ptr %a573, ptr %a572)
-  %t574 = load %S.ast.Type, ptr %a573
-  %t575 = insertvalue %S.gen.Val %t570, %S.ast.Type %t574, 1
-  ret %S.gen.Val %t575
-endif6616:
-  %t576 = load %S.ast.Type, ptr %a3
-  %t577 = call i1 @finch.gen.isInt(%S.ast.Type %t576)
-  br label %logic.from6617
-logic.from6617:
-  br i1 %t577, label %logic.rhs6618, label %logic.end6619
-logic.rhs6618:
-  %t578 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t579 = load { ptr, i64, i64 }, ptr %t578
-  store { ptr, i64, i64 } %t579, ptr %a580
-  store { ptr, i64, i64 } { ptr @.str.4369, i64 3, i64 0 }, ptr %a581
-  %t582 = call i32 @finch_str_eq(ptr %a580, ptr %a581)
-  %t583 = icmp ne i32 %t582, 0
-  br label %logic.rend6620
-logic.rend6620:
-  br label %logic.end6619
-logic.end6619:
-  %t584 = phi i1 [ false, %logic.from6617 ], [ %t583, %logic.rend6620 ]
-  br i1 %t584, label %then6621, label %endif6623
-then6621:
-  %t585 = load ptr, ptr %a1
-  %t586 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
-  %t587 = load { ptr, i64, i64 }, ptr %t586
-  store { ptr, i64, i64 } { ptr @.str.4370, i64 13, i64 0 }, ptr %a589
-  store { ptr, i64, i64 } %t587, ptr %a590
-  call void @finch_str_concat(ptr %a588, ptr %a589, ptr %a590)
-  %t591 = load { ptr, i64, i64 }, ptr %a588
-  store { ptr, i64, i64 } %t591, ptr %a593
-  store { ptr, i64, i64 } { ptr @.str.4371, i64 4, i64 0 }, ptr %a594
-  call void @finch_str_concat(ptr %a592, ptr %a593, ptr %a594)
-  %t595 = load { ptr, i64, i64 }, ptr %a592
-  %t596 = load ptr, ptr %a1
-  %t597 = load %S.ast.Type, ptr %a3
-  %t598 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t596, %S.ast.Type %t597)
-  store { ptr, i64, i64 } %t595, ptr %a600
-  store { ptr, i64, i64 } %t598, ptr %a601
-  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
-  %t602 = load { ptr, i64, i64 }, ptr %a599
-  %t603 = call { ptr, i64, i64 } @finch.gen.op(ptr %t585, { ptr, i64, i64 } %t602)
-  %t604 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t603, 0
-  %t605 = load %S.ast.Type, ptr %a3
-  store %S.ast.Type %t605, ptr %a606
-  call void @finch.copy.S_ast_Type(ptr %a607, ptr %a606)
-  %t608 = load %S.ast.Type, ptr %a607
-  %t609 = insertvalue %S.gen.Val %t604, %S.ast.Type %t608, 1
-  ret %S.gen.Val %t609
-endif6623:
-  %t610 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
-  %t611 = load { ptr, i64, i64 }, ptr %t610
-  store { ptr, i64, i64 } %t611, ptr %a612
-  store { ptr, i64, i64 } { ptr @.str.4372, i64 3, i64 0 }, ptr %a613
-  %t614 = call i32 @finch_str_eq(ptr %a612, ptr %a613)
-  %t615 = icmp ne i32 %t614, 0
-  br label %logic.from6624
-logic.from6624:
-  br i1 %t615, label %logic.rhs6625, label %logic.end6626
-logic.rhs6625:
-  %t616 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
-  %t617 = load { ptr, i64, i64 }, ptr %t616
-  store { ptr, i64, i64 } %t617, ptr %a618
-  store { ptr, i64, i64 } { ptr @.str.4373, i64 3, i64 0 }, ptr %a619
-  %t620 = call i32 @finch_str_eq(ptr %a618, ptr %a619)
-  %t621 = icmp ne i32 %t620, 0
-  br label %logic.rend6627
-logic.rend6627:
-  br label %logic.end6626
-logic.end6626:
-  %t622 = phi i1 [ false, %logic.from6624 ], [ %t621, %logic.rend6627 ]
-  br i1 %t622, label %then6628, label %endif6630
-then6628:
-  %t623 = load ptr, ptr %a1
-  %t624 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t625 = load { ptr, i64, i64 }, ptr %t624
-  %t626 = extractvalue { ptr, i64, i64 } %t625, 1
-  %t627 = icmp uge i64 0, %t626
-  br i1 %t627, label %range6631, label %inrange6632
-range6631:
-  call void @finch_panic_index(ptr @.str.4374, i64 3678, i64 0, i64 %t626)
-  unreachable
-inrange6632:
-  %t628 = extractvalue { ptr, i64, i64 } %t625, 0
-  %t629 = getelementptr inbounds %S.ast.Node, ptr %t628, i64 0
-  %t630 = load %S.ast.Node, ptr %t629
-  call void @finch.gen.fail(ptr %t623, %S.ast.Node %t630, { ptr, i64, i64 } { ptr @.str.4375, i64 70, i64 0 })
-  br label %endif6630
-endif6630:
-  %t631 = load ptr, ptr %a1
-  %t632 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t633 = load { ptr, i64, i64 }, ptr %t632
-  %t634 = extractvalue { ptr, i64, i64 } %t633, 1
-  %t635 = icmp uge i64 0, %t634
-  br i1 %t635, label %range6633, label %inrange6634
-range6633:
-  call void @finch_panic_index(ptr @.str.4376, i64 3680, i64 0, i64 %t634)
-  unreachable
-inrange6634:
-  %t636 = extractvalue { ptr, i64, i64 } %t633, 0
-  %t637 = getelementptr inbounds %S.ast.Node, ptr %t636, i64 0
-  %t638 = load %S.ast.Node, ptr %t637
-  %t639 = load %S.ast.Type, ptr %a23
-  %t640 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t639)
-  store { ptr, i64, i64 } { ptr @.str.4377, i64 11, i64 0 }, ptr %a642
-  store { ptr, i64, i64 } %t640, ptr %a643
+  %t556 = load %S.ast.Type, ptr %a23
+  %t557 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t555, %S.ast.Type %t556)
+  store { ptr, i64, i64 } { ptr @.str.4528, i64 8, i64 0 }, ptr %a559
+  store { ptr, i64, i64 } %t557, ptr %a560
+  call void @finch_str_concat(ptr %a558, ptr %a559, ptr %a560)
+  store { ptr, i64, i64 } %t557, ptr %a561
+  call void @finch_str_drop(ptr %a561)
+  %t562 = load { ptr, i64, i64 }, ptr %a558
+  store { ptr, i64, i64 } %t562, ptr %a564
+  store { ptr, i64, i64 } { ptr @.str.4529, i64 1, i64 0 }, ptr %a565
+  call void @finch_str_concat(ptr %a563, ptr %a564, ptr %a565)
+  store { ptr, i64, i64 } %t562, ptr %a566
+  call void @finch_str_drop(ptr %a566)
+  %t567 = load { ptr, i64, i64 }, ptr %a563
+  %t568 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t569 = load { ptr, i64, i64 }, ptr %t568
+  store { ptr, i64, i64 } %t567, ptr %a571
+  store { ptr, i64, i64 } %t569, ptr %a572
+  call void @finch_str_concat(ptr %a570, ptr %a571, ptr %a572)
+  store { ptr, i64, i64 } %t567, ptr %a573
+  call void @finch_str_drop(ptr %a573)
+  %t574 = load { ptr, i64, i64 }, ptr %a570
+  store { ptr, i64, i64 } %t574, ptr %a576
+  store { ptr, i64, i64 } { ptr @.str.4530, i64 3, i64 0 }, ptr %a577
+  call void @finch_str_concat(ptr %a575, ptr %a576, ptr %a577)
+  store { ptr, i64, i64 } %t574, ptr %a578
+  call void @finch_str_drop(ptr %a578)
+  %t579 = load { ptr, i64, i64 }, ptr %a575
+  %t580 = call { ptr, i64, i64 } @finch.gen.op(ptr %t554, { ptr, i64, i64 } %t579)
+  store { ptr, i64, i64 } %t579, ptr %a581
+  call void @finch_str_drop(ptr %a581)
+  %t582 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t580, 0
+  %t583 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t583, ptr %a584
+  call void @finch.copy.S_ast_Type(ptr %a585, ptr %a584)
+  %t586 = load %S.ast.Type, ptr %a585
+  %t587 = insertvalue %S.gen.Val %t582, %S.ast.Type %t586, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t587
+endif6969:
+  %t588 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t589 = load { ptr, i64, i64 }, ptr %t588
+  store { ptr, i64, i64 } %t589, ptr %a590
+  store { ptr, i64, i64 } { ptr @.str.4531, i64 3, i64 0 }, ptr %a591
+  %t592 = call i32 @finch_str_eq(ptr %a590, ptr %a591)
+  %t593 = icmp ne i32 %t592, 0
+  br label %logic.from6970
+logic.from6970:
+  br i1 %t593, label %logic.rhs6971, label %logic.end6972
+logic.rhs6971:
+  %t594 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t595 = load { ptr, i64, i64 }, ptr %t594
+  store { ptr, i64, i64 } %t595, ptr %a596
+  store { ptr, i64, i64 } { ptr @.str.4532, i64 3, i64 0 }, ptr %a597
+  %t598 = call i32 @finch_str_eq(ptr %a596, ptr %a597)
+  %t599 = icmp ne i32 %t598, 0
+  br label %logic.from6973
+logic.from6973:
+  br i1 %t599, label %logic.end6975, label %logic.rhs6974
+logic.rhs6974:
+  %t600 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t601 = load { ptr, i64, i64 }, ptr %t600
+  store { ptr, i64, i64 } %t601, ptr %a602
+  store { ptr, i64, i64 } { ptr @.str.4533, i64 4, i64 0 }, ptr %a603
+  %t604 = call i32 @finch_str_eq(ptr %a602, ptr %a603)
+  %t605 = icmp ne i32 %t604, 0
+  br label %logic.rend6976
+logic.rend6976:
+  br label %logic.end6975
+logic.end6975:
+  %t606 = phi i1 [ true, %logic.from6973 ], [ %t605, %logic.rend6976 ]
+  br label %logic.rend6977
+logic.rend6977:
+  br label %logic.end6972
+logic.end6972:
+  %t607 = phi i1 [ false, %logic.from6970 ], [ %t606, %logic.rend6977 ]
+  br i1 %t607, label %then6978, label %endif6980
+then6978:
+  %t608 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t609 = load { ptr, i64, i64 }, ptr %t608
+  store { ptr, i64, i64 } %t609, ptr %a610
+  call void @finch_str_copy(ptr %a611, ptr %a610)
+  %t612 = load { ptr, i64, i64 }, ptr %a611
+  %t613 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t612, 0
+  %t614 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t614, ptr %a615
+  call void @finch.copy.S_ast_Type(ptr %a616, ptr %a615)
+  %t617 = load %S.ast.Type, ptr %a616
+  %t618 = insertvalue %S.gen.Val %t613, %S.ast.Type %t617, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t618
+endif6980:
+  %t619 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t620 = load { ptr, i64, i64 }, ptr %t619
+  store { ptr, i64, i64 } %t620, ptr %a621
+  store { ptr, i64, i64 } { ptr @.str.4534, i64 3, i64 0 }, ptr %a622
+  %t623 = call i32 @finch_str_eq(ptr %a621, ptr %a622)
+  %t624 = icmp ne i32 %t623, 0
+  br label %logic.from6981
+logic.from6981:
+  br i1 %t624, label %logic.rhs6982, label %logic.end6983
+logic.rhs6982:
+  %t625 = load %S.ast.Type, ptr %a23
+  %t626 = call i1 @finch.gen.isInt(%S.ast.Type %t625)
+  br label %logic.rend6984
+logic.rend6984:
+  br label %logic.end6983
+logic.end6983:
+  %t627 = phi i1 [ false, %logic.from6981 ], [ %t626, %logic.rend6984 ]
+  br i1 %t627, label %then6985, label %endif6987
+then6985:
+  %t628 = load ptr, ptr %a1
+  %t629 = load ptr, ptr %a1
+  %t630 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t631 = load { ptr, i64, i64 }, ptr %t630
+  %t632 = load %S.ast.Type, ptr %a23
+  %t633 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4536, i64 3, i64 0 })
+  %t634 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t629, { ptr, i64, i64 } %t631, %S.ast.Type %t632, %S.ast.Type %t633)
+  store %S.ast.Type %t633, ptr %a635
+  call void @finch.drop.S_ast_Type(ptr %a635)
+  store { ptr, i64, i64 } { ptr @.str.4535, i64 13, i64 0 }, ptr %a637
+  store { ptr, i64, i64 } %t634, ptr %a638
+  call void @finch_str_concat(ptr %a636, ptr %a637, ptr %a638)
+  store { ptr, i64, i64 } %t634, ptr %a639
+  call void @finch_str_drop(ptr %a639)
+  %t640 = load { ptr, i64, i64 }, ptr %a636
+  store { ptr, i64, i64 } %t640, ptr %a642
+  store { ptr, i64, i64 } { ptr @.str.4537, i64 7, i64 0 }, ptr %a643
   call void @finch_str_concat(ptr %a641, ptr %a642, ptr %a643)
-  %t644 = load { ptr, i64, i64 }, ptr %a641
-  store { ptr, i64, i64 } %t644, ptr %a646
-  store { ptr, i64, i64 } { ptr @.str.4378, i64 6, i64 0 }, ptr %a647
-  call void @finch_str_concat(ptr %a645, ptr %a646, ptr %a647)
-  %t648 = load { ptr, i64, i64 }, ptr %a645
-  %t649 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t650 = load { ptr, i64, i64 }, ptr %t649
-  store { ptr, i64, i64 } %t648, ptr %a652
-  store { ptr, i64, i64 } %t650, ptr %a653
-  call void @finch_str_concat(ptr %a651, ptr %a652, ptr %a653)
-  %t654 = load { ptr, i64, i64 }, ptr %a651
-  call void @finch.gen.fail(ptr %t631, %S.ast.Node %t638, { ptr, i64, i64 } %t654)
-  %t655 = load %S.gen.Val, ptr %a17
-  store %S.gen.Val %t655, ptr %a656
-  call void @finch.copy.S_gen_Val(ptr %a657, ptr %a656)
-  %t658 = load %S.gen.Val, ptr %a657
-  ret %S.gen.Val %t658
+  store { ptr, i64, i64 } %t640, ptr %a644
+  call void @finch_str_drop(ptr %a644)
+  %t645 = load { ptr, i64, i64 }, ptr %a641
+  %t646 = call { ptr, i64, i64 } @finch.gen.op(ptr %t628, { ptr, i64, i64 } %t645)
+  store { ptr, i64, i64 } %t645, ptr %a647
+  call void @finch_str_drop(ptr %a647)
+  %t648 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t646, 0
+  %t649 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t649, ptr %a650
+  call void @finch.copy.S_ast_Type(ptr %a651, ptr %a650)
+  %t652 = load %S.ast.Type, ptr %a651
+  %t653 = insertvalue %S.gen.Val %t648, %S.ast.Type %t652, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t653
+endif6987:
+  %t654 = load %S.ast.Type, ptr %a3
+  %t655 = call i1 @finch.gen.isInt(%S.ast.Type %t654)
+  br label %logic.from6988
+logic.from6988:
+  br i1 %t655, label %logic.rhs6989, label %logic.end6990
+logic.rhs6989:
+  %t656 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t657 = load { ptr, i64, i64 }, ptr %t656
+  store { ptr, i64, i64 } %t657, ptr %a658
+  store { ptr, i64, i64 } { ptr @.str.4538, i64 3, i64 0 }, ptr %a659
+  %t660 = call i32 @finch_str_eq(ptr %a658, ptr %a659)
+  %t661 = icmp ne i32 %t660, 0
+  br label %logic.rend6991
+logic.rend6991:
+  br label %logic.end6990
+logic.end6990:
+  %t662 = phi i1 [ false, %logic.from6988 ], [ %t661, %logic.rend6991 ]
+  br i1 %t662, label %then6992, label %endif6994
+then6992:
+  %t663 = load ptr, ptr %a1
+  %t664 = getelementptr inbounds %S.gen.Val, ptr %a17, i32 0, i32 0
+  %t665 = load { ptr, i64, i64 }, ptr %t664
+  store { ptr, i64, i64 } { ptr @.str.4539, i64 13, i64 0 }, ptr %a667
+  store { ptr, i64, i64 } %t665, ptr %a668
+  call void @finch_str_concat(ptr %a666, ptr %a667, ptr %a668)
+  %t669 = load { ptr, i64, i64 }, ptr %a666
+  store { ptr, i64, i64 } %t669, ptr %a671
+  store { ptr, i64, i64 } { ptr @.str.4540, i64 4, i64 0 }, ptr %a672
+  call void @finch_str_concat(ptr %a670, ptr %a671, ptr %a672)
+  store { ptr, i64, i64 } %t669, ptr %a673
+  call void @finch_str_drop(ptr %a673)
+  %t674 = load { ptr, i64, i64 }, ptr %a670
+  %t675 = load ptr, ptr %a1
+  %t676 = load %S.ast.Type, ptr %a3
+  %t677 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t675, %S.ast.Type %t676)
+  store { ptr, i64, i64 } %t674, ptr %a679
+  store { ptr, i64, i64 } %t677, ptr %a680
+  call void @finch_str_concat(ptr %a678, ptr %a679, ptr %a680)
+  store { ptr, i64, i64 } %t674, ptr %a681
+  call void @finch_str_drop(ptr %a681)
+  store { ptr, i64, i64 } %t677, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = load { ptr, i64, i64 }, ptr %a678
+  %t684 = call { ptr, i64, i64 } @finch.gen.op(ptr %t663, { ptr, i64, i64 } %t683)
+  store { ptr, i64, i64 } %t683, ptr %a685
+  call void @finch_str_drop(ptr %a685)
+  %t686 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t684, 0
+  %t687 = load %S.ast.Type, ptr %a3
+  store %S.ast.Type %t687, ptr %a688
+  call void @finch.copy.S_ast_Type(ptr %a689, ptr %a688)
+  %t690 = load %S.ast.Type, ptr %a689
+  %t691 = insertvalue %S.gen.Val %t686, %S.ast.Type %t690, 1
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  call void @finch.drop.S_gen_Val(ptr %a17)
+  ret %S.gen.Val %t691
+endif6994:
+  %t692 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 0
+  %t693 = load { ptr, i64, i64 }, ptr %t692
+  store { ptr, i64, i64 } %t693, ptr %a694
+  store { ptr, i64, i64 } { ptr @.str.4541, i64 3, i64 0 }, ptr %a695
+  %t696 = call i32 @finch_str_eq(ptr %a694, ptr %a695)
+  %t697 = icmp ne i32 %t696, 0
+  br label %logic.from6995
+logic.from6995:
+  br i1 %t697, label %logic.rhs6996, label %logic.end6997
+logic.rhs6996:
+  %t698 = getelementptr inbounds %S.ast.Type, ptr %a23, i32 0, i32 0
+  %t699 = load { ptr, i64, i64 }, ptr %t698
+  store { ptr, i64, i64 } %t699, ptr %a700
+  store { ptr, i64, i64 } { ptr @.str.4542, i64 3, i64 0 }, ptr %a701
+  %t702 = call i32 @finch_str_eq(ptr %a700, ptr %a701)
+  %t703 = icmp ne i32 %t702, 0
+  br label %logic.rend6998
+logic.rend6998:
+  br label %logic.end6997
+logic.end6997:
+  %t704 = phi i1 [ false, %logic.from6995 ], [ %t703, %logic.rend6998 ]
+  br i1 %t704, label %then6999, label %endif7001
+then6999:
+  %t705 = load ptr, ptr %a1
+  %t706 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t707 = load { ptr, i64, i64 }, ptr %t706
+  %t708 = extractvalue { ptr, i64, i64 } %t707, 1
+  %t709 = icmp uge i64 0, %t708
+  br i1 %t709, label %range7002, label %inrange7003
+range7002:
+  call void @finch_panic_index(ptr @.str.4543, i64 3965, i64 0, i64 %t708)
+  unreachable
+inrange7003:
+  %t710 = extractvalue { ptr, i64, i64 } %t707, 0
+  %t711 = getelementptr inbounds %S.ast.Node, ptr %t710, i64 0
+  %t712 = load %S.ast.Node, ptr %t711
+  call void @finch.gen.fail(ptr %t705, %S.ast.Node %t712, { ptr, i64, i64 } { ptr @.str.4544, i64 70, i64 0 })
+  br label %endif7001
+endif7001:
+  %t713 = load ptr, ptr %a1
+  %t714 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t715 = load { ptr, i64, i64 }, ptr %t714
+  %t716 = extractvalue { ptr, i64, i64 } %t715, 1
+  %t717 = icmp uge i64 0, %t716
+  br i1 %t717, label %range7004, label %inrange7005
+range7004:
+  call void @finch_panic_index(ptr @.str.4545, i64 3967, i64 0, i64 %t716)
+  unreachable
+inrange7005:
+  %t718 = extractvalue { ptr, i64, i64 } %t715, 0
+  %t719 = getelementptr inbounds %S.ast.Node, ptr %t718, i64 0
+  %t720 = load %S.ast.Node, ptr %t719
+  %t721 = load %S.ast.Type, ptr %a23
+  %t722 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t721)
+  store { ptr, i64, i64 } { ptr @.str.4546, i64 11, i64 0 }, ptr %a724
+  store { ptr, i64, i64 } %t722, ptr %a725
+  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
+  store { ptr, i64, i64 } %t722, ptr %a726
+  call void @finch_str_drop(ptr %a726)
+  %t727 = load { ptr, i64, i64 }, ptr %a723
+  store { ptr, i64, i64 } %t727, ptr %a729
+  store { ptr, i64, i64 } { ptr @.str.4547, i64 6, i64 0 }, ptr %a730
+  call void @finch_str_concat(ptr %a728, ptr %a729, ptr %a730)
+  store { ptr, i64, i64 } %t727, ptr %a731
+  call void @finch_str_drop(ptr %a731)
+  %t732 = load { ptr, i64, i64 }, ptr %a728
+  %t733 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t734 = load { ptr, i64, i64 }, ptr %t733
+  store { ptr, i64, i64 } %t732, ptr %a736
+  store { ptr, i64, i64 } %t734, ptr %a737
+  call void @finch_str_concat(ptr %a735, ptr %a736, ptr %a737)
+  store { ptr, i64, i64 } %t732, ptr %a738
+  call void @finch_str_drop(ptr %a738)
+  %t739 = load { ptr, i64, i64 }, ptr %a735
+  call void @finch.gen.fail(ptr %t713, %S.ast.Node %t720, { ptr, i64, i64 } %t739)
+  store { ptr, i64, i64 } %t739, ptr %a740
+  call void @finch_str_drop(ptr %a740)
+  %t741 = load %S.gen.Val, ptr %a17
+  call void @finch.drop.S_ast_Type(ptr %a23)
+  ret %S.gen.Val %t741
 }
 
 define internal i64 @finch.gen.sizeBytes(ptr %p0, %S.ast.Type %p1) {
@@ -59675,19 +70647,19 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4379, i64 6, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4548, i64 6, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br i1 %t8, label %then6635, label %endif6637
-then6635:
+  br i1 %t8, label %then7006, label %endif7008
+then7006:
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic6638, label %ok6639
-panic6638:
-  call void @finch_panic(ptr @.str.4380, i64 3713, ptr @.str.4381)
+  br i1 %t10, label %panic7009, label %ok7010
+panic7009:
+  call void @finch_panic(ptr @.str.4549, i64 4000, ptr @.str.4550)
   unreachable
-ok6639:
-  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 15
+ok7010:
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 16
   %t12 = load ptr, ptr %a1
   %t13 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t14 = load { ptr, i64, i64 }, ptr %t13
@@ -59697,25 +70669,25 @@ ok6639:
   %t18 = load { ptr, i64, i64 }, ptr %t11
   %t19 = extractvalue { ptr, i64, i64 } %t18, 1
   %t20 = icmp uge i64 %t17, %t19
-  br i1 %t20, label %range6640, label %inrange6641
-range6640:
-  call void @finch_panic_index(ptr @.str.4382, i64 3713, i64 %t17, i64 %t19)
+  br i1 %t20, label %range7011, label %inrange7012
+range7011:
+  call void @finch_panic_index(ptr @.str.4551, i64 4000, i64 %t17, i64 %t19)
   unreachable
-inrange6641:
+inrange7012:
   %t21 = extractvalue { ptr, i64, i64 } %t18, 0
   %t22 = getelementptr inbounds %S.gen.StructDef, ptr %t21, i64 %t17
   %t23 = getelementptr inbounds %S.gen.StructDef, ptr %t22, i32 0, i32 9
   %t24 = load i64, ptr %t23
   ret i64 %t24
-endif6637:
+endif7008:
   %t25 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t26 = load { ptr, i64, i64 }, ptr %t25
   store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.4383, i64 5, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.4552, i64 5, i64 0 }, ptr %a28
   %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
   %t30 = icmp ne i32 %t29, 0
-  br i1 %t30, label %then6642, label %endif6644
-then6642:
+  br i1 %t30, label %then7013, label %endif7015
+then7013:
   %t31 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
   %t32 = load i64, ptr %t31
   %t33 = load ptr, ptr %a1
@@ -59723,83 +70695,83 @@ then6642:
   %t35 = load { ptr, i64, i64 }, ptr %t34
   %t36 = extractvalue { ptr, i64, i64 } %t35, 1
   %t37 = icmp uge i64 0, %t36
-  br i1 %t37, label %range6645, label %inrange6646
-range6645:
-  call void @finch_panic_index(ptr @.str.4384, i64 3716, i64 0, i64 %t36)
+  br i1 %t37, label %range7016, label %inrange7017
+range7016:
+  call void @finch_panic_index(ptr @.str.4553, i64 4003, i64 0, i64 %t36)
   unreachable
-inrange6646:
+inrange7017:
   %t38 = extractvalue { ptr, i64, i64 } %t35, 0
   %t39 = getelementptr inbounds %S.ast.Type, ptr %t38, i64 0
   %t40 = load %S.ast.Type, ptr %t39
   %t41 = call i64 @finch.gen.sizeBytes(ptr %t33, %S.ast.Type %t40)
   %t42 = mul i64 %t32, %t41
   ret i64 %t42
-endif6644:
+endif7015:
   %t43 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t44 = load { ptr, i64, i64 }, ptr %t43
   store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.4385, i64 3, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.4554, i64 3, i64 0 }, ptr %a46
   %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
   %t48 = icmp ne i32 %t47, 0
-  br label %logic.from6647
-logic.from6647:
-  br i1 %t48, label %logic.end6649, label %logic.rhs6648
-logic.rhs6648:
+  br label %logic.from7018
+logic.from7018:
+  br i1 %t48, label %logic.end7020, label %logic.rhs7019
+logic.rhs7019:
   %t49 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t50 = load { ptr, i64, i64 }, ptr %t49
   store { ptr, i64, i64 } %t50, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.4386, i64 3, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.4555, i64 3, i64 0 }, ptr %a52
   %t53 = call i32 @finch_str_eq(ptr %a51, ptr %a52)
   %t54 = icmp ne i32 %t53, 0
-  br label %logic.rend6650
-logic.rend6650:
-  br label %logic.end6649
-logic.end6649:
-  %t55 = phi i1 [ true, %logic.from6647 ], [ %t54, %logic.rend6650 ]
-  br i1 %t55, label %then6651, label %endif6653
-then6651:
+  br label %logic.rend7021
+logic.rend7021:
+  br label %logic.end7020
+logic.end7020:
+  %t55 = phi i1 [ true, %logic.from7018 ], [ %t54, %logic.rend7021 ]
+  br i1 %t55, label %then7022, label %endif7024
+then7022:
   ret i64 8
-endif6653:
+endif7024:
   %t56 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t57 = load { ptr, i64, i64 }, ptr %t56
   store { ptr, i64, i64 } %t57, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.4387, i64 5, i64 0 }, ptr %a59
+  store { ptr, i64, i64 } { ptr @.str.4556, i64 5, i64 0 }, ptr %a59
   %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
   %t61 = icmp ne i32 %t60, 0
-  br i1 %t61, label %then6654, label %endif6656
-then6654:
+  br i1 %t61, label %then7025, label %endif7027
+then7025:
   ret i64 8
-endif6656:
+endif7027:
   %t62 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t63 = load { ptr, i64, i64 }, ptr %t62
   store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.4388, i64 3, i64 0 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.4557, i64 3, i64 0 }, ptr %a65
   %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
   %t67 = icmp ne i32 %t66, 0
-  br i1 %t67, label %then6657, label %endif6659
-then6657:
+  br i1 %t67, label %then7028, label %endif7030
+then7028:
   ret i64 4
-endif6659:
+endif7030:
   %t68 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t69 = load { ptr, i64, i64 }, ptr %t68
   store { ptr, i64, i64 } %t69, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.4389, i64 4, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.4558, i64 4, i64 0 }, ptr %a71
   %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
   %t73 = icmp ne i32 %t72, 0
-  br i1 %t73, label %then6660, label %endif6662
-then6660:
+  br i1 %t73, label %then7031, label %endif7033
+then7031:
   ret i64 1
-endif6662:
+endif7033:
   %t74 = load %S.ast.Type, ptr %a2
   %t75 = call i64 @finch.gen.bitsOf(%S.ast.Type %t74)
   %t76 = sdiv i64 %t75, 8
   ret i64 %t76
 }
 
-define internal void @finch.copy.arr_S_gen_Leaf(ptr %dst, ptr %src) {
+define internal void @finch.drop.arr_S_gen_Leaf(ptr %a) {
 entry:
 
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Leaf, ptr null, i32 1) to i64))
+  call void @finch_arr_free(ptr %a)
   ret void
 }
 
@@ -59827,8 +70799,6 @@ entry:
   %a120 = alloca %S.gen.Leaf, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -59836,19 +70806,19 @@ entry:
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.4390, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.4559, i64 6, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp ne i32 %t9, 0
-  br i1 %t10, label %then6663, label %else6664
-then6663:
+  br i1 %t10, label %then7034, label %else7035
+then7034:
   %t11 = load ptr, ptr %a1
   %t12 = icmp eq ptr %t11, null
-  br i1 %t12, label %panic6666, label %ok6667
-panic6666:
-  call void @finch_panic(ptr @.str.4391, i64 3737, ptr @.str.4392)
+  br i1 %t12, label %panic7037, label %ok7038
+panic7037:
+  call void @finch_panic(ptr @.str.4560, i64 4024, ptr @.str.4561)
   unreachable
-ok6667:
-  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 15
+ok7038:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 16
   %t14 = load ptr, ptr %a1
   %t15 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
   %t16 = load { ptr, i64, i64 }, ptr %t15
@@ -59858,11 +70828,11 @@ ok6667:
   %t20 = load { ptr, i64, i64 }, ptr %t13
   %t21 = extractvalue { ptr, i64, i64 } %t20, 1
   %t22 = icmp uge i64 %t19, %t21
-  br i1 %t22, label %range6668, label %inrange6669
-range6668:
-  call void @finch_panic_index(ptr @.str.4393, i64 3737, i64 %t19, i64 %t21)
+  br i1 %t22, label %range7039, label %inrange7040
+range7039:
+  call void @finch_panic_index(ptr @.str.4562, i64 4024, i64 %t19, i64 %t21)
   unreachable
-inrange6669:
+inrange7040:
   %t23 = extractvalue { ptr, i64, i64 } %t20, 0
   %t24 = getelementptr inbounds %S.gen.StructDef, ptr %t23, i64 %t19
   %t25 = load %S.gen.StructDef, ptr %t24
@@ -59874,23 +70844,23 @@ inrange6669:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i32 0, i32 1
   %t32 = load i64, ptr %t31
   store i64 0, ptr %a33
-  br label %for.cond6670
-for.cond6670:
+  br label %for.cond7041
+for.cond7041:
   %t34 = load i64, ptr %a33
   %t35 = icmp slt i64 %t34, %t32
-  br i1 %t35, label %for.body6671, label %for.end6673
-for.body6671:
+  br i1 %t35, label %for.body7042, label %for.end7044
+for.body7042:
   %t36 = load ptr, ptr %a1
   %t37 = getelementptr inbounds %S.gen.StructDef, ptr %a29, i32 0, i32 12
   %t38 = load i64, ptr %a33
   %t39 = load { ptr, i64, i64 }, ptr %t37
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range6674, label %inrange6675
-range6674:
-  call void @finch_panic_index(ptr @.str.4394, i64 3739, i64 %t38, i64 %t40)
+  br i1 %t41, label %range7045, label %inrange7046
+range7045:
+  call void @finch_panic_index(ptr @.str.4563, i64 4026, i64 %t38, i64 %t40)
   unreachable
-inrange6675:
+inrange7046:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.ast.Type, ptr %t42, i64 %t38
   %t44 = load %S.ast.Type, ptr %t43
@@ -59900,11 +70870,11 @@ inrange6675:
   %t48 = load { ptr, i64, i64 }, ptr %t46
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range6676, label %inrange6677
-range6676:
-  call void @finch_panic_index(ptr @.str.4395, i64 3739, i64 %t47, i64 %t49)
+  br i1 %t50, label %range7047, label %inrange7048
+range7047:
+  call void @finch_panic_index(ptr @.str.4564, i64 4026, i64 %t47, i64 %t49)
   unreachable
-inrange6677:
+inrange7048:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds i64, ptr %t51, i64 %t47
   %t53 = load i64, ptr %t52
@@ -59912,14 +70882,14 @@ inrange6677:
   %t55 = call { ptr, i64, i64 } @finch.gen.leavesOf(ptr %t36, %S.ast.Type %t44, i64 %t54)
   store { ptr, i64, i64 } %t55, ptr %a56
   store i64 0, ptr %a57
-  br label %each.cond6678
-each.cond6678:
+  br label %each.cond7049
+each.cond7049:
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %a56, i32 0, i32 1
   %t59 = load i64, ptr %t58
   %t60 = load i64, ptr %a57
   %t61 = icmp slt i64 %t60, %t59
-  br i1 %t61, label %each.body6679, label %each.end6681
-each.body6679:
+  br i1 %t61, label %each.body7050, label %each.end7052
+each.body7050:
   %t62 = load ptr, ptr %a56
   %t63 = getelementptr inbounds %S.gen.Leaf, ptr %t62, i64 %t60
   %t64 = load %S.gen.Leaf, ptr %t63
@@ -59933,40 +70903,42 @@ each.body6679:
   %t71 = getelementptr inbounds %S.gen.Leaf, ptr %t70, i64 %t68
   store %S.gen.Leaf %t67, ptr %t71
   store i64 %t69, ptr %t66
-  br label %each.step6680
-each.step6680:
+  br label %each.step7051
+each.step7051:
   %t72 = load i64, ptr %a57
   %t73 = add i64 %t72, 1
   store i64 %t73, ptr %a57
-  br label %each.cond6678
-each.end6681:
-  br label %for.step6672
-for.step6672:
+  br label %each.cond7049
+each.end7052:
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a56)
+  br label %for.step7043
+for.step7043:
   %t74 = load i64, ptr %a33
   %t75 = add i64 %t74, 1
   store i64 %t75, ptr %a33
-  br label %for.cond6670
-for.end6673:
-  br label %endif6665
-else6664:
+  br label %for.cond7041
+for.end7044:
+  call void @finch.drop.S_gen_StructDef(ptr %a29)
+  br label %endif7036
+else7035:
   %t76 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t77 = load { ptr, i64, i64 }, ptr %t76
   store { ptr, i64, i64 } %t77, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.4396, i64 5, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } { ptr @.str.4565, i64 5, i64 0 }, ptr %a79
   %t80 = call i32 @finch_str_eq(ptr %a78, ptr %a79)
   %t81 = icmp ne i32 %t80, 0
-  br i1 %t81, label %then6682, label %else6683
-then6682:
+  br i1 %t81, label %then7053, label %else7054
+then7053:
   %t82 = load ptr, ptr %a1
   %t83 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t84 = load { ptr, i64, i64 }, ptr %t83
   %t85 = extractvalue { ptr, i64, i64 } %t84, 1
   %t86 = icmp uge i64 0, %t85
-  br i1 %t86, label %range6685, label %inrange6686
-range6685:
-  call void @finch_panic_index(ptr @.str.4397, i64 3744, i64 0, i64 %t85)
+  br i1 %t86, label %range7056, label %inrange7057
+range7056:
+  call void @finch_panic_index(ptr @.str.4566, i64 4031, i64 0, i64 %t85)
   unreachable
-inrange6686:
+inrange7057:
   %t87 = extractvalue { ptr, i64, i64 } %t84, 0
   %t88 = getelementptr inbounds %S.ast.Type, ptr %t87, i64 0
   %t89 = load %S.ast.Type, ptr %t88
@@ -59975,22 +70947,22 @@ inrange6686:
   %t92 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 4
   %t93 = load i64, ptr %t92
   store i64 0, ptr %a94
-  br label %for.cond6687
-for.cond6687:
+  br label %for.cond7058
+for.cond7058:
   %t95 = load i64, ptr %a94
   %t96 = icmp slt i64 %t95, %t93
-  br i1 %t96, label %for.body6688, label %for.end6690
-for.body6688:
+  br i1 %t96, label %for.body7059, label %for.end7061
+for.body7059:
   %t97 = load ptr, ptr %a1
   %t98 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 1
   %t99 = load { ptr, i64, i64 }, ptr %t98
   %t100 = extractvalue { ptr, i64, i64 } %t99, 1
   %t101 = icmp uge i64 0, %t100
-  br i1 %t101, label %range6691, label %inrange6692
-range6691:
-  call void @finch_panic_index(ptr @.str.4398, i64 3746, i64 0, i64 %t100)
+  br i1 %t101, label %range7062, label %inrange7063
+range7062:
+  call void @finch_panic_index(ptr @.str.4567, i64 4033, i64 0, i64 %t100)
   unreachable
-inrange6692:
+inrange7063:
   %t102 = extractvalue { ptr, i64, i64 } %t99, 0
   %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i64 0
   %t104 = load %S.ast.Type, ptr %t103
@@ -60002,14 +70974,14 @@ inrange6692:
   %t110 = call { ptr, i64, i64 } @finch.gen.leavesOf(ptr %t97, %S.ast.Type %t104, i64 %t109)
   store { ptr, i64, i64 } %t110, ptr %a111
   store i64 0, ptr %a112
-  br label %each.cond6693
-each.cond6693:
+  br label %each.cond7064
+each.cond7064:
   %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %a111, i32 0, i32 1
   %t114 = load i64, ptr %t113
   %t115 = load i64, ptr %a112
   %t116 = icmp slt i64 %t115, %t114
-  br i1 %t116, label %each.body6694, label %each.end6696
-each.body6694:
+  br i1 %t116, label %each.body7065, label %each.end7067
+each.body7065:
   %t117 = load ptr, ptr %a111
   %t118 = getelementptr inbounds %S.gen.Leaf, ptr %t117, i64 %t115
   %t119 = load %S.gen.Leaf, ptr %t118
@@ -60023,22 +70995,23 @@ each.body6694:
   %t126 = getelementptr inbounds %S.gen.Leaf, ptr %t125, i64 %t123
   store %S.gen.Leaf %t122, ptr %t126
   store i64 %t124, ptr %t121
-  br label %each.step6695
-each.step6695:
+  br label %each.step7066
+each.step7066:
   %t127 = load i64, ptr %a112
   %t128 = add i64 %t127, 1
   store i64 %t128, ptr %a112
-  br label %each.cond6693
-each.end6696:
-  br label %for.step6689
-for.step6689:
+  br label %each.cond7064
+each.end7067:
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a111)
+  br label %for.step7060
+for.step7060:
   %t129 = load i64, ptr %a94
   %t130 = add i64 %t129, 1
   store i64 %t130, ptr %a94
-  br label %for.cond6687
-for.end6690:
-  br label %endif6684
-else6683:
+  br label %for.cond7058
+for.end7061:
+  br label %endif7055
+else7054:
   %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
   %t132 = load i64, ptr %a3
   %t133 = insertvalue %S.gen.Leaf zeroinitializer, i64 %t132, 0
@@ -60052,7 +71025,7 @@ else6683:
   %t141 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t142 = load { ptr, i64, i64 }, ptr %t141
   store { ptr, i64, i64 } %t142, ptr %a143
-  store { ptr, i64, i64 } { ptr @.str.4399, i64 5, i64 0 }, ptr %a144
+  store { ptr, i64, i64 } { ptr @.str.4568, i64 5, i64 0 }, ptr %a144
   %t145 = call i32 @finch_str_eq(ptr %a143, ptr %a144)
   %t146 = icmp ne i32 %t145, 0
   %t147 = insertvalue %S.gen.Leaf %t140, i1 %t146, 3
@@ -60063,15 +71036,12 @@ else6683:
   %t151 = getelementptr inbounds %S.gen.Leaf, ptr %t150, i64 %t148
   store %S.gen.Leaf %t147, ptr %t151
   store i64 %t149, ptr %t131
-  br label %endif6684
-endif6684:
-  br label %endif6665
-endif6665:
+  br label %endif7055
+endif7055:
+  br label %endif7036
+endif7036:
   %t152 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t152, ptr %a153
-  call void @finch.copy.arr_S_gen_Leaf(ptr %a154, ptr %a153)
-  %t155 = load { ptr, i64, i64 }, ptr %a154
-  ret { ptr, i64, i64 } %t155
+  ret { ptr, i64, i64 } %t152
 }
 
 define internal void @finch.copy.S_gen_Abi(ptr %dst, ptr %src) {
@@ -60106,42 +71076,51 @@ entry:
   %a23 = alloca i64, align 16
   %a31 = alloca %S.gen.Leaf, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
   %a66 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca i64, align 16
-  %a94 = alloca %S.gen.Leaf, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca i64, align 16
+  %a102 = alloca %S.gen.Leaf, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca %S.gen.Abi, align 16
-  %a121 = alloca %S.gen.Abi, align 16
-  %a127 = alloca %S.gen.Abi, align 16
-  %a128 = alloca %S.gen.Abi, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca %S.gen.Abi, align 16
-  %a166 = alloca %S.gen.Abi, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store %S.gen.Abi %p2, ptr %a3
@@ -60159,28 +71138,28 @@ entry:
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp sgt i64 %t16, 0
-  br label %logic.from6697
-logic.from6697:
-  br i1 %t17, label %logic.rhs6698, label %logic.end6699
-logic.rhs6698:
+  br label %logic.from7068
+logic.from7068:
+  br i1 %t17, label %logic.rhs7069, label %logic.end7070
+logic.rhs7069:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp sle i64 %t19, 4
-  br label %logic.rend6700
-logic.rend6700:
-  br label %logic.end6699
-logic.end6699:
-  %t21 = phi i1 [ false, %logic.from6697 ], [ %t20, %logic.rend6700 ]
+  br label %logic.rend7071
+logic.rend7071:
+  br label %logic.end7070
+logic.end7070:
+  %t21 = phi i1 [ false, %logic.from7068 ], [ %t20, %logic.rend7071 ]
   store i1 %t21, ptr %a22
   store i64 0, ptr %a23
-  br label %each.cond6701
-each.cond6701:
+  br label %each.cond7072
+each.cond7072:
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t25 = load i64, ptr %t24
   %t26 = load i64, ptr %a23
   %t27 = icmp slt i64 %t26, %t25
-  br i1 %t27, label %each.body6702, label %each.end6704
-each.body6702:
+  br i1 %t27, label %each.body7073, label %each.end7075
+each.body7073:
   %t28 = load ptr, ptr %a14
   %t29 = getelementptr inbounds %S.gen.Leaf, ptr %t28, i64 %t26
   %t30 = load %S.gen.Leaf, ptr %t29
@@ -60188,224 +71167,270 @@ each.body6702:
   %t32 = getelementptr inbounds %S.gen.Leaf, ptr %a31, i32 0, i32 2
   %t33 = load i1, ptr %t32
   %t34 = xor i1 %t33, true
-  br label %logic.from6705
-logic.from6705:
-  br i1 %t34, label %logic.end6707, label %logic.rhs6706
-logic.rhs6706:
+  br label %logic.from7076
+logic.from7076:
+  br i1 %t34, label %logic.end7078, label %logic.rhs7077
+logic.rhs7077:
   %t35 = getelementptr inbounds %S.gen.Leaf, ptr %a31, i32 0, i32 3
   %t36 = load i1, ptr %t35
   %t37 = load { ptr, i64, i64 }, ptr %a14
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 0, %t38
-  br i1 %t39, label %range6708, label %inrange6709
-range6708:
-  call void @finch_panic_index(ptr @.str.4400, i64 3763, i64 0, i64 %t38)
+  br i1 %t39, label %range7079, label %inrange7080
+range7079:
+  call void @finch_panic_index(ptr @.str.4569, i64 4050, i64 0, i64 %t38)
   unreachable
-inrange6709:
+inrange7080:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.gen.Leaf, ptr %t40, i64 0
   %t42 = getelementptr inbounds %S.gen.Leaf, ptr %t41, i32 0, i32 3
   %t43 = load i1, ptr %t42
   %t44 = icmp ne i1 %t36, %t43
-  br label %logic.rend6710
-logic.rend6710:
-  br label %logic.end6707
-logic.end6707:
-  %t45 = phi i1 [ true, %logic.from6705 ], [ %t44, %logic.rend6710 ]
-  br i1 %t45, label %then6711, label %endif6713
-then6711:
+  br label %logic.rend7081
+logic.rend7081:
+  br label %logic.end7078
+logic.end7078:
+  %t45 = phi i1 [ true, %logic.from7076 ], [ %t44, %logic.rend7081 ]
+  br i1 %t45, label %then7082, label %endif7084
+then7082:
   store i1 false, ptr %a22
-  br label %endif6713
-endif6713:
-  br label %each.step6703
-each.step6703:
+  br label %endif7084
+endif7084:
+  br label %each.step7074
+each.step7074:
   %t46 = load i64, ptr %a23
   %t47 = add i64 %t46, 1
   store i64 %t47, ptr %a23
-  br label %each.cond6701
-each.end6704:
+  br label %each.cond7072
+each.end7075:
   %t48 = load i1, ptr %a22
-  br i1 %t48, label %then6714, label %endif6716
-then6714:
-  store { ptr, i64, i64 } { ptr @.str.4401, i64 5, i64 0 }, ptr %a49
+  br i1 %t48, label %then7085, label %endif7087
+then7085:
+  store { ptr, i64, i64 } { ptr @.str.4570, i64 5, i64 0 }, ptr %a49
   %t50 = load { ptr, i64, i64 }, ptr %a14
   %t51 = extractvalue { ptr, i64, i64 } %t50, 1
   %t52 = icmp uge i64 0, %t51
-  br i1 %t52, label %range6717, label %inrange6718
-range6717:
-  call void @finch_panic_index(ptr @.str.4402, i64 3769, i64 0, i64 %t51)
+  br i1 %t52, label %range7088, label %inrange7089
+range7088:
+  call void @finch_panic_index(ptr @.str.4571, i64 4056, i64 0, i64 %t51)
   unreachable
-inrange6718:
+inrange7089:
   %t53 = extractvalue { ptr, i64, i64 } %t50, 0
   %t54 = getelementptr inbounds %S.gen.Leaf, ptr %t53, i64 0
   %t55 = getelementptr inbounds %S.gen.Leaf, ptr %t54, i32 0, i32 3
   %t56 = load i1, ptr %t55
-  br i1 %t56, label %then6719, label %endif6721
-then6719:
-  store { ptr, i64, i64 } { ptr @.str.4403, i64 6, i64 0 }, ptr %a49
-  br label %endif6721
-endif6721:
-  %t57 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4404, i64 6, i64 0 }, ptr %t57
-  %t58 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i32 0, i32 1
-  %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t61 = load i64, ptr %t60
-  call void @finch_str_from_int(ptr %a62, i64 %t61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.4405, i64 1, i64 0 }, ptr %a65
-  store { ptr, i64, i64 } %t63, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.4406, i64 3, i64 0 }, ptr %a70
+  br i1 %t56, label %then7090, label %endif7092
+then7090:
+  %t57 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.4572, i64 6, i64 0 }, ptr %a49
+  store { ptr, i64, i64 } %t57, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  br label %endif7092
+endif7092:
+  %t59 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
+  %t60 = load { ptr, i64, i64 }, ptr %t59
+  store { ptr, i64, i64 } { ptr @.str.4573, i64 6, i64 0 }, ptr %t59
+  store { ptr, i64, i64 } %t60, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t62, i32 0, i32 1
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t65 = load i64, ptr %t64
+  call void @finch_str_from_int(ptr %a66, i64 %t65)
+  %t67 = load { ptr, i64, i64 }, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4574, i64 1, i64 0 }, ptr %a69
+  store { ptr, i64, i64 } %t67, ptr %a70
   call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t71, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
+  store { ptr, i64, i64 } %t67, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = load { ptr, i64, i64 }, ptr %a68
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.4575, i64 3, i64 0 }, ptr %a75
   call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  store { ptr, i64, i64 } %t76, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.4407, i64 1, i64 0 }, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = load i64, ptr %t59
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %t58, i64 %t82, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %t58
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  store { ptr, i64, i64 } %t80, ptr %t84
-  store i64 %t82, ptr %t59
-  store { ptr, i64, i64 } zeroinitializer, ptr %a85
-  store i64 0, ptr %a86
-  br label %each.cond6722
-each.cond6722:
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t88 = load i64, ptr %t87
-  %t89 = load i64, ptr %a86
-  %t90 = icmp slt i64 %t89, %t88
-  br i1 %t90, label %each.body6723, label %each.end6725
-each.body6723:
-  %t91 = load ptr, ptr %a14
-  %t92 = getelementptr inbounds %S.gen.Leaf, ptr %t91, i64 %t89
-  %t93 = load %S.gen.Leaf, ptr %t92
-  store %S.gen.Leaf %t93, ptr %a94
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a85, i32 0, i32 1
-  %t96 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t96, ptr %a97
-  call void @finch_str_copy(ptr %a98, ptr %a97)
-  %t99 = load { ptr, i64, i64 }, ptr %a98
-  %t100 = load i64, ptr %t95
-  %t101 = add i64 %t100, 1
-  call void @finch_arr_reserve(ptr %a85, i64 %t101, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t102 = load ptr, ptr %a85
-  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i64 %t100
-  store { ptr, i64, i64 } %t99, ptr %t103
-  store i64 %t101, ptr %t95
-  br label %each.step6724
-each.step6724:
-  %t104 = load i64, ptr %a86
-  %t105 = add i64 %t104, 1
-  store i64 %t105, ptr %a86
-  br label %each.cond6722
-each.end6725:
-  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %a85, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4409, i64 2, i64 0 }, ptr %a107
-  call void @finch_str_join(ptr %a108, ptr %a85, ptr %a107)
-  %t109 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } { ptr @.str.4408, i64 2, i64 0 }, ptr %a111
-  store { ptr, i64, i64 } %t109, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t113, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.4410, i64 2, i64 0 }, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } %t117, ptr %t118
-  %t119 = load %S.gen.Abi, ptr %a10
-  store %S.gen.Abi %t119, ptr %a120
-  call void @finch.copy.S_gen_Abi(ptr %a121, ptr %a120)
-  %t122 = load %S.gen.Abi, ptr %a121
-  ret %S.gen.Abi %t122
-endif6716:
-  %t123 = load i64, ptr %a4
-  %t124 = icmp sgt i64 %t123, 16
-  br i1 %t124, label %then6726, label %endif6728
-then6726:
-  %t125 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4411, i64 8, i64 0 }, ptr %t125
-  %t126 = load %S.gen.Abi, ptr %a10
-  store %S.gen.Abi %t126, ptr %a127
-  call void @finch.copy.S_gen_Abi(ptr %a128, ptr %a127)
-  %t129 = load %S.gen.Abi, ptr %a128
-  ret %S.gen.Abi %t129
-endif6728:
-  %t130 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4412, i64 6, i64 0 }, ptr %t130
-  %t131 = load i64, ptr %a5
-  %t132 = icmp sge i64 %t131, 16
-  br i1 %t132, label %then6729, label %else6730
-then6729:
-  %t133 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
-  %t135 = load i64, ptr %t134
-  %t136 = add i64 %t135, 1
-  call void @finch_arr_reserve(ptr %t133, i64 %t136, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t137 = load ptr, ptr %t133
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i64 %t135
-  store { ptr, i64, i64 } { ptr @.str.4413, i64 4, i64 0 }, ptr %t138
-  store i64 %t136, ptr %t134
-  %t139 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4414, i64 4, i64 0 }, ptr %t139
-  br label %endif6731
-else6730:
-  %t140 = load i64, ptr %a4
-  %t141 = icmp sle i64 %t140, 8
-  br i1 %t141, label %then6732, label %else6733
-then6732:
-  %t142 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i32 0, i32 1
-  %t144 = load i64, ptr %t143
-  %t145 = add i64 %t144, 1
-  call void @finch_arr_reserve(ptr %t142, i64 %t145, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t146 = load ptr, ptr %t142
-  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %t146, i64 %t144
-  store { ptr, i64, i64 } { ptr @.str.4415, i64 3, i64 0 }, ptr %t147
-  store i64 %t145, ptr %t143
-  %t148 = load i64, ptr %a4
-  %t149 = mul i64 %t148, 8
-  call void @finch_str_from_int(ptr %a150, i64 %t149)
-  %t151 = load { ptr, i64, i64 }, ptr %a150
-  store { ptr, i64, i64 } { ptr @.str.4416, i64 1, i64 0 }, ptr %a153
-  store { ptr, i64, i64 } %t151, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  %t156 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } %t155, ptr %t156
-  br label %endif6734
-else6733:
-  %t157 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
-  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t157, i32 0, i32 1
-  %t159 = load i64, ptr %t158
-  %t160 = add i64 %t159, 1
-  call void @finch_arr_reserve(ptr %t157, i64 %t160, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t161 = load ptr, ptr %t157
-  %t162 = getelementptr inbounds { ptr, i64, i64 }, ptr %t161, i64 %t159
-  store { ptr, i64, i64 } { ptr @.str.4417, i64 9, i64 0 }, ptr %t162
-  store i64 %t160, ptr %t158
-  %t163 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4418, i64 9, i64 0 }, ptr %t163
-  br label %endif6734
-endif6734:
-  br label %endif6731
-endif6731:
-  %t164 = load %S.gen.Abi, ptr %a10
-  store %S.gen.Abi %t164, ptr %a165
-  call void @finch.copy.S_gen_Abi(ptr %a166, ptr %a165)
-  %t167 = load %S.gen.Abi, ptr %a166
-  ret %S.gen.Abi %t167
+  store { ptr, i64, i64 } %t72, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  %t78 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t77, ptr %a80
+  store { ptr, i64, i64 } %t78, ptr %a81
+  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.4576, i64 1, i64 0 }, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  %t89 = load i64, ptr %t63
+  %t90 = add i64 %t89, 1
+  call void @finch_arr_reserve(ptr %t62, i64 %t90, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t91 = load ptr, ptr %t62
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 %t89
+  store { ptr, i64, i64 } %t88, ptr %t92
+  store i64 %t90, ptr %t63
+  store { ptr, i64, i64 } zeroinitializer, ptr %a93
+  store i64 0, ptr %a94
+  br label %each.cond7093
+each.cond7093:
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t96 = load i64, ptr %t95
+  %t97 = load i64, ptr %a94
+  %t98 = icmp slt i64 %t97, %t96
+  br i1 %t98, label %each.body7094, label %each.end7096
+each.body7094:
+  %t99 = load ptr, ptr %a14
+  %t100 = getelementptr inbounds %S.gen.Leaf, ptr %t99, i64 %t97
+  %t101 = load %S.gen.Leaf, ptr %t100
+  store %S.gen.Leaf %t101, ptr %a102
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %a93, i32 0, i32 1
+  %t104 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t104, ptr %a105
+  call void @finch_str_copy(ptr %a106, ptr %a105)
+  %t107 = load { ptr, i64, i64 }, ptr %a106
+  %t108 = load i64, ptr %t103
+  %t109 = add i64 %t108, 1
+  call void @finch_arr_reserve(ptr %a93, i64 %t109, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t110 = load ptr, ptr %a93
+  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %t110, i64 %t108
+  store { ptr, i64, i64 } %t107, ptr %t111
+  store i64 %t109, ptr %t103
+  br label %each.step7095
+each.step7095:
+  %t112 = load i64, ptr %a94
+  %t113 = add i64 %t112, 1
+  store i64 %t113, ptr %a94
+  br label %each.cond7093
+each.end7096:
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %a93, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4578, i64 2, i64 0 }, ptr %a115
+  call void @finch_str_join(ptr %a116, ptr %a93, ptr %a115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.4577, i64 2, i64 0 }, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t122, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.4579, i64 2, i64 0 }, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a123
+  %t128 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  store { ptr, i64, i64 } %t127, ptr %t128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load %S.gen.Abi, ptr %a10
+  call void @finch.drop.arr_str(ptr %a93)
+  call void @finch_str_drop(ptr %a49)
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a14)
+  ret %S.gen.Abi %t131
+endif7087:
+  %t132 = load i64, ptr %a4
+  %t133 = icmp sgt i64 %t132, 16
+  br i1 %t133, label %then7097, label %endif7099
+then7097:
+  %t134 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
+  %t135 = load { ptr, i64, i64 }, ptr %t134
+  store { ptr, i64, i64 } { ptr @.str.4580, i64 8, i64 0 }, ptr %t134
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load %S.gen.Abi, ptr %a10
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a14)
+  ret %S.gen.Abi %t137
+endif7099:
+  %t138 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 0
+  %t139 = load { ptr, i64, i64 }, ptr %t138
+  store { ptr, i64, i64 } { ptr @.str.4581, i64 6, i64 0 }, ptr %t138
+  store { ptr, i64, i64 } %t139, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load i64, ptr %a5
+  %t142 = icmp sge i64 %t141, 16
+  br i1 %t142, label %then7100, label %else7101
+then7100:
+  %t143 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %t143, i32 0, i32 1
+  %t145 = load i64, ptr %t144
+  %t146 = add i64 %t145, 1
+  call void @finch_arr_reserve(ptr %t143, i64 %t146, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t147 = load ptr, ptr %t143
+  %t148 = getelementptr inbounds { ptr, i64, i64 }, ptr %t147, i64 %t145
+  store { ptr, i64, i64 } { ptr @.str.4582, i64 4, i64 0 }, ptr %t148
+  store i64 %t146, ptr %t144
+  %t149 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t150 = load { ptr, i64, i64 }, ptr %t149
+  store { ptr, i64, i64 } { ptr @.str.4583, i64 4, i64 0 }, ptr %t149
+  store { ptr, i64, i64 } %t150, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  br label %endif7102
+else7101:
+  %t152 = load i64, ptr %a4
+  %t153 = icmp sle i64 %t152, 8
+  br i1 %t153, label %then7103, label %else7104
+then7103:
+  %t154 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i32 0, i32 1
+  %t156 = load i64, ptr %t155
+  %t157 = add i64 %t156, 1
+  call void @finch_arr_reserve(ptr %t154, i64 %t157, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t158 = load ptr, ptr %t154
+  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %t158, i64 %t156
+  store { ptr, i64, i64 } { ptr @.str.4584, i64 3, i64 0 }, ptr %t159
+  store i64 %t157, ptr %t155
+  %t160 = load i64, ptr %a4
+  %t161 = mul i64 %t160, 8
+  call void @finch_str_from_int(ptr %a162, i64 %t161)
+  %t163 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.4585, i64 1, i64 0 }, ptr %a165
+  store { ptr, i64, i64 } %t163, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t163, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  %t169 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t168, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  br label %endif7105
+else7104:
+  %t172 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 1
+  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i32 0, i32 1
+  %t174 = load i64, ptr %t173
+  %t175 = add i64 %t174, 1
+  call void @finch_arr_reserve(ptr %t172, i64 %t175, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t176 = load ptr, ptr %t172
+  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 %t174
+  store { ptr, i64, i64 } { ptr @.str.4586, i64 9, i64 0 }, ptr %t177
+  store i64 %t175, ptr %t173
+  %t178 = getelementptr inbounds %S.gen.Abi, ptr %a10, i32 0, i32 2
+  %t179 = load { ptr, i64, i64 }, ptr %t178
+  store { ptr, i64, i64 } { ptr @.str.4587, i64 9, i64 0 }, ptr %t178
+  store { ptr, i64, i64 } %t179, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  br label %endif7105
+endif7105:
+  br label %endif7102
+endif7102:
+  %t181 = load %S.gen.Abi, ptr %a10
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a14)
+  ret %S.gen.Abi %t181
+}
+
+define internal void @finch.drop.S_gen_Abi(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Abi, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Abi, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Abi, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
 }
 
 define internal %S.gen.Abi @finch.gen.classify(ptr %p0, %S.ast.Type %p1) {
@@ -60415,22 +71440,21 @@ entry:
   %a4 = alloca %S.gen.Abi, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca %S.gen.Abi, align 16
-  %a13 = alloca %S.gen.Abi, align 16
+  %a27 = alloca %S.gen.StructDef, align 16
+  %a28 = alloca %S.gen.StructDef, align 16
   %a30 = alloca %S.gen.StructDef, align 16
-  %a31 = alloca %S.gen.StructDef, align 16
-  %a33 = alloca %S.gen.StructDef, align 16
-  %a36 = alloca i64, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca i64, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca %S.gen.Abi, align 16
-  %a101 = alloca %S.gen.Abi, align 16
-  %a110 = alloca %S.gen.Abi, align 16
-  %a111 = alloca %S.gen.Abi, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca i64, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
@@ -60438,188 +71462,195 @@ entry:
   %a137 = alloca i64, align 16
   %a145 = alloca %S.gen.Leaf, align 16
   %a148 = alloca i64, align 16
-  %a159 = alloca %S.gen.Abi, align 16
-  %a160 = alloca %S.gen.Abi, align 16
-  %a165 = alloca i64, align 16
-  %a202 = alloca i64, align 16
-  %a209 = alloca i64, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca i64, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca i64, align 16
+  %a210 = alloca i64, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
   %a285 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca %S.gen.Abi, align 16
-  %a294 = alloca %S.gen.Abi, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
-  %t3 = insertvalue %S.gen.Abi zeroinitializer, { ptr, i64, i64 } { ptr @.str.4419, i64 6, i64 0 }, 0
+  %t3 = insertvalue %S.gen.Abi zeroinitializer, { ptr, i64, i64 } { ptr @.str.4588, i64 6, i64 0 }, 0
   store %S.gen.Abi %t3, ptr %a4
   %t5 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.4420, i64 6, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.4589, i64 6, i64 0 }, ptr %a8
   %t9 = call i32 @finch_str_eq(ptr %a7, ptr %a8)
   %t10 = icmp eq i32 %t9, 0
-  br i1 %t10, label %then6735, label %endif6737
-then6735:
+  br i1 %t10, label %then7106, label %endif7108
+then7106:
   %t11 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t11, ptr %a12
-  call void @finch.copy.S_gen_Abi(ptr %a13, ptr %a12)
-  %t14 = load %S.gen.Abi, ptr %a13
-  ret %S.gen.Abi %t14
-endif6737:
+  ret %S.gen.Abi %t11
+endif7108:
+  %t12 = load ptr, ptr %a1
+  %t13 = icmp eq ptr %t12, null
+  br i1 %t13, label %panic7109, label %ok7110
+panic7109:
+  call void @finch_panic(ptr @.str.4590, i64 4091, ptr @.str.4591)
+  unreachable
+ok7110:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 16
   %t15 = load ptr, ptr %a1
-  %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic6738, label %ok6739
-panic6738:
-  call void @finch_panic(ptr @.str.4421, i64 3804, ptr @.str.4422)
+  %t16 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
+  %t17 = load { ptr, i64, i64 }, ptr %t16
+  %t18 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
+  %t19 = load { ptr, i64, i64 }, ptr %t18
+  %t20 = call i64 @finch.gen.findStruct(ptr %t15, { ptr, i64, i64 } %t17, { ptr, i64, i64 } %t19)
+  %t21 = load { ptr, i64, i64 }, ptr %t14
+  %t22 = extractvalue { ptr, i64, i64 } %t21, 1
+  %t23 = icmp uge i64 %t20, %t22
+  br i1 %t23, label %range7111, label %inrange7112
+range7111:
+  call void @finch_panic_index(ptr @.str.4592, i64 4091, i64 %t20, i64 %t22)
   unreachable
-ok6739:
-  %t17 = getelementptr inbounds %S.gen.Gen, ptr %t15, i32 0, i32 15
-  %t18 = load ptr, ptr %a1
-  %t19 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 3
-  %t20 = load { ptr, i64, i64 }, ptr %t19
-  %t21 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 2
-  %t22 = load { ptr, i64, i64 }, ptr %t21
-  %t23 = call i64 @finch.gen.findStruct(ptr %t18, { ptr, i64, i64 } %t20, { ptr, i64, i64 } %t22)
-  %t24 = load { ptr, i64, i64 }, ptr %t17
-  %t25 = extractvalue { ptr, i64, i64 } %t24, 1
-  %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range6740, label %inrange6741
-range6740:
-  call void @finch_panic_index(ptr @.str.4423, i64 3804, i64 %t23, i64 %t25)
-  unreachable
-inrange6741:
-  %t27 = extractvalue { ptr, i64, i64 } %t24, 0
-  %t28 = getelementptr inbounds %S.gen.StructDef, ptr %t27, i64 %t23
-  %t29 = load %S.gen.StructDef, ptr %t28
+inrange7112:
+  %t24 = extractvalue { ptr, i64, i64 } %t21, 0
+  %t25 = getelementptr inbounds %S.gen.StructDef, ptr %t24, i64 %t20
+  %t26 = load %S.gen.StructDef, ptr %t25
+  store %S.gen.StructDef %t26, ptr %a27
+  call void @finch.copy.S_gen_StructDef(ptr %a28, ptr %a27)
+  %t29 = load %S.gen.StructDef, ptr %a28
   store %S.gen.StructDef %t29, ptr %a30
-  call void @finch.copy.S_gen_StructDef(ptr %a31, ptr %a30)
-  %t32 = load %S.gen.StructDef, ptr %a31
-  store %S.gen.StructDef %t32, ptr %a33
-  %t34 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 9
-  %t35 = load i64, ptr %t34
-  store i64 %t35, ptr %a36
-  %t37 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
-  store i64 8, ptr %t37
-  %t38 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 10
+  %t31 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 9
+  %t32 = load i64, ptr %t31
+  store i64 %t32, ptr %a33
+  %t34 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
+  store i64 8, ptr %t34
+  %t35 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 10
+  %t36 = load i64, ptr %t35
+  %t37 = icmp sgt i64 %t36, 8
+  br i1 %t37, label %then7113, label %endif7115
+then7113:
+  %t38 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 10
   %t39 = load i64, ptr %t38
-  %t40 = icmp sgt i64 %t39, 8
-  br i1 %t40, label %then6742, label %endif6744
-then6742:
-  %t41 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 10
-  %t42 = load i64, ptr %t41
-  %t43 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
-  store i64 %t42, ptr %t43
-  br label %endif6744
-endif6744:
-  %t44 = load ptr, ptr %a1
-  %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic6745, label %ok6746
-panic6745:
-  call void @finch_panic(ptr @.str.4424, i64 3810, ptr @.str.4425)
+  %t40 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 3
+  store i64 %t39, ptr %t40
+  br label %endif7115
+endif7115:
+  %t41 = load ptr, ptr %a1
+  %t42 = icmp eq ptr %t41, null
+  br i1 %t42, label %panic7116, label %ok7117
+panic7116:
+  call void @finch_panic(ptr @.str.4593, i64 4097, ptr @.str.4594)
   unreachable
-ok6746:
-  %t46 = getelementptr inbounds %S.gen.Gen, ptr %t44, i32 0, i32 29
-  %t47 = getelementptr inbounds %S.platform.Target, ptr %t46, i32 0, i32 4
-  %t48 = load i1, ptr %t47
-  br i1 %t48, label %then6747, label %endif6749
-then6747:
-  %t49 = load ptr, ptr %a1
-  %t50 = load %S.ast.Type, ptr %a2
-  %t51 = load %S.gen.Abi, ptr %a4
-  %t52 = load i64, ptr %a36
-  %t53 = getelementptr inbounds %S.gen.StructDef, ptr %a33, i32 0, i32 10
-  %t54 = load i64, ptr %t53
-  %t55 = call %S.gen.Abi @finch.gen.classifyArm64(ptr %t49, %S.ast.Type %t50, %S.gen.Abi %t51, i64 %t52, i64 %t54)
-  ret %S.gen.Abi %t55
-endif6749:
-  %t56 = load ptr, ptr %a1
-  %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic6750, label %ok6751
-panic6750:
-  call void @finch_panic(ptr @.str.4426, i64 3813, ptr @.str.4427)
+ok7117:
+  %t43 = getelementptr inbounds %S.gen.Gen, ptr %t41, i32 0, i32 30
+  %t44 = getelementptr inbounds %S.platform.Target, ptr %t43, i32 0, i32 4
+  %t45 = load i1, ptr %t44
+  br i1 %t45, label %then7118, label %endif7120
+then7118:
+  %t46 = load ptr, ptr %a1
+  %t47 = load %S.ast.Type, ptr %a2
+  %t48 = load %S.gen.Abi, ptr %a4
+  %t49 = load i64, ptr %a33
+  %t50 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 10
+  %t51 = load i64, ptr %t50
+  %t52 = call %S.gen.Abi @finch.gen.classifyArm64(ptr %t46, %S.ast.Type %t47, %S.gen.Abi %t48, i64 %t49, i64 %t51)
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  call void @finch.drop.S_gen_Abi(ptr %a4)
+  ret %S.gen.Abi %t52
+endif7120:
+  %t53 = load ptr, ptr %a1
+  %t54 = icmp eq ptr %t53, null
+  br i1 %t54, label %panic7121, label %ok7122
+panic7121:
+  call void @finch_panic(ptr @.str.4595, i64 4100, ptr @.str.4596)
   unreachable
-ok6751:
-  %t58 = getelementptr inbounds %S.gen.Gen, ptr %t56, i32 0, i32 29
-  %t59 = getelementptr inbounds %S.platform.Target, ptr %t58, i32 0, i32 1
-  %t60 = load i1, ptr %t59
-  br i1 %t60, label %then6752, label %endif6754
-then6752:
-  %t61 = load i64, ptr %a36
-  %t62 = icmp eq i64 %t61, 1
-  br label %logic.from6755
-logic.from6755:
-  br i1 %t62, label %logic.end6757, label %logic.rhs6756
-logic.rhs6756:
-  %t63 = load i64, ptr %a36
-  %t64 = icmp eq i64 %t63, 2
-  br label %logic.rend6758
-logic.rend6758:
-  br label %logic.end6757
-logic.end6757:
-  %t65 = phi i1 [ true, %logic.from6755 ], [ %t64, %logic.rend6758 ]
-  br label %logic.from6759
-logic.from6759:
-  br i1 %t65, label %logic.end6761, label %logic.rhs6760
-logic.rhs6760:
-  %t66 = load i64, ptr %a36
-  %t67 = icmp eq i64 %t66, 4
-  br label %logic.rend6762
-logic.rend6762:
-  br label %logic.end6761
-logic.end6761:
-  %t68 = phi i1 [ true, %logic.from6759 ], [ %t67, %logic.rend6762 ]
-  br label %logic.from6763
-logic.from6763:
-  br i1 %t68, label %logic.end6765, label %logic.rhs6764
-logic.rhs6764:
-  %t69 = load i64, ptr %a36
-  %t70 = icmp eq i64 %t69, 8
-  br label %logic.rend6766
-logic.rend6766:
-  br label %logic.end6765
-logic.end6765:
-  %t71 = phi i1 [ true, %logic.from6763 ], [ %t70, %logic.rend6766 ]
-  br i1 %t71, label %then6767, label %else6768
-then6767:
-  %t72 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4428, i64 6, i64 0 }, ptr %t72
-  %t73 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load i64, ptr %a36
-  %t76 = mul i64 %t75, 8
-  call void @finch_str_from_int(ptr %a77, i64 %t76)
-  %t78 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } { ptr @.str.4429, i64 1, i64 0 }, ptr %a80
-  store { ptr, i64, i64 } %t78, ptr %a81
-  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
-  %t82 = load { ptr, i64, i64 }, ptr %a79
-  %t83 = load i64, ptr %t74
+ok7122:
+  %t55 = getelementptr inbounds %S.gen.Gen, ptr %t53, i32 0, i32 30
+  %t56 = getelementptr inbounds %S.platform.Target, ptr %t55, i32 0, i32 1
+  %t57 = load i1, ptr %t56
+  br i1 %t57, label %then7123, label %endif7125
+then7123:
+  %t58 = load i64, ptr %a33
+  %t59 = icmp eq i64 %t58, 1
+  br label %logic.from7126
+logic.from7126:
+  br i1 %t59, label %logic.end7128, label %logic.rhs7127
+logic.rhs7127:
+  %t60 = load i64, ptr %a33
+  %t61 = icmp eq i64 %t60, 2
+  br label %logic.rend7129
+logic.rend7129:
+  br label %logic.end7128
+logic.end7128:
+  %t62 = phi i1 [ true, %logic.from7126 ], [ %t61, %logic.rend7129 ]
+  br label %logic.from7130
+logic.from7130:
+  br i1 %t62, label %logic.end7132, label %logic.rhs7131
+logic.rhs7131:
+  %t63 = load i64, ptr %a33
+  %t64 = icmp eq i64 %t63, 4
+  br label %logic.rend7133
+logic.rend7133:
+  br label %logic.end7132
+logic.end7132:
+  %t65 = phi i1 [ true, %logic.from7130 ], [ %t64, %logic.rend7133 ]
+  br label %logic.from7134
+logic.from7134:
+  br i1 %t65, label %logic.end7136, label %logic.rhs7135
+logic.rhs7135:
+  %t66 = load i64, ptr %a33
+  %t67 = icmp eq i64 %t66, 8
+  br label %logic.rend7137
+logic.rend7137:
+  br label %logic.end7136
+logic.end7136:
+  %t68 = phi i1 [ true, %logic.from7134 ], [ %t67, %logic.rend7137 ]
+  br i1 %t68, label %then7138, label %else7139
+then7138:
+  %t69 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t70 = load { ptr, i64, i64 }, ptr %t69
+  store { ptr, i64, i64 } { ptr @.str.4597, i64 6, i64 0 }, ptr %t69
+  store { ptr, i64, i64 } %t70, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  %t72 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i32 0, i32 1
+  %t74 = load i64, ptr %a33
+  %t75 = mul i64 %t74, 8
+  call void @finch_str_from_int(ptr %a76, i64 %t75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.4598, i64 1, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t77, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = load i64, ptr %t73
   %t84 = add i64 %t83, 1
-  call void @finch_arr_reserve(ptr %t73, i64 %t84, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t85 = load ptr, ptr %t73
+  call void @finch_arr_reserve(ptr %t72, i64 %t84, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t85 = load ptr, ptr %t72
   %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i64 %t83
   store { ptr, i64, i64 } %t82, ptr %t86
-  store i64 %t84, ptr %t74
+  store i64 %t84, ptr %t73
   %t87 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
   %t88 = load { ptr, i64, i64 }, ptr %t87
   %t89 = extractvalue { ptr, i64, i64 } %t88, 1
   %t90 = icmp uge i64 0, %t89
-  br i1 %t90, label %range6770, label %inrange6771
-range6770:
-  call void @finch_panic_index(ptr @.str.4430, i64 3819, i64 0, i64 %t89)
+  br i1 %t90, label %range7141, label %inrange7142
+range7141:
+  call void @finch_panic_index(ptr @.str.4599, i64 4106, i64 0, i64 %t89)
   unreachable
-inrange6771:
+inrange7142:
   %t91 = extractvalue { ptr, i64, i64 } %t88, 0
   %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 0
   %t93 = load { ptr, i64, i64 }, ptr %t92
@@ -60627,47 +71658,52 @@ inrange6771:
   store { ptr, i64, i64 } %t93, ptr %a95
   call void @finch_str_copy(ptr %a96, ptr %a95)
   %t97 = load { ptr, i64, i64 }, ptr %a96
+  %t98 = load { ptr, i64, i64 }, ptr %t94
   store { ptr, i64, i64 } %t97, ptr %t94
-  br label %endif6769
-else6768:
-  %t98 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4431, i64 8, i64 0 }, ptr %t98
-  br label %endif6769
-endif6769:
-  %t99 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t99, ptr %a100
-  call void @finch.copy.S_gen_Abi(ptr %a101, ptr %a100)
-  %t102 = load %S.gen.Abi, ptr %a101
-  ret %S.gen.Abi %t102
-endif6754:
-  %t103 = load i64, ptr %a36
-  %t104 = icmp sgt i64 %t103, 16
-  br label %logic.from6772
-logic.from6772:
-  br i1 %t104, label %logic.end6774, label %logic.rhs6773
-logic.rhs6773:
-  %t105 = load i64, ptr %a36
-  %t106 = icmp eq i64 %t105, 0
-  br label %logic.rend6775
-logic.rend6775:
-  br label %logic.end6774
-logic.end6774:
-  %t107 = phi i1 [ true, %logic.from6772 ], [ %t106, %logic.rend6775 ]
-  br i1 %t107, label %then6776, label %endif6778
-then6776:
-  %t108 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4432, i64 6, i64 0 }, ptr %t108
-  %t109 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t109, ptr %a110
-  call void @finch.copy.S_gen_Abi(ptr %a111, ptr %a110)
-  %t112 = load %S.gen.Abi, ptr %a111
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  br label %endif7140
+else7139:
+  %t100 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t101 = load { ptr, i64, i64 }, ptr %t100
+  store { ptr, i64, i64 } { ptr @.str.4600, i64 8, i64 0 }, ptr %t100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif7140
+endif7140:
+  %t103 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  ret %S.gen.Abi %t103
+endif7125:
+  %t104 = load i64, ptr %a33
+  %t105 = icmp sgt i64 %t104, 16
+  br label %logic.from7143
+logic.from7143:
+  br i1 %t105, label %logic.end7145, label %logic.rhs7144
+logic.rhs7144:
+  %t106 = load i64, ptr %a33
+  %t107 = icmp eq i64 %t106, 0
+  br label %logic.rend7146
+logic.rend7146:
+  br label %logic.end7145
+logic.end7145:
+  %t108 = phi i1 [ true, %logic.from7143 ], [ %t107, %logic.rend7146 ]
+  br i1 %t108, label %then7147, label %endif7149
+then7147:
+  %t109 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } { ptr @.str.4601, i64 6, i64 0 }, ptr %t109
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
   ret %S.gen.Abi %t112
-endif6778:
+endif7149:
   %t113 = load ptr, ptr %a1
   %t114 = load %S.ast.Type, ptr %a2
   %t115 = call { ptr, i64, i64 } @finch.gen.leavesOf(ptr %t113, %S.ast.Type %t114, i64 0)
   store { ptr, i64, i64 } %t115, ptr %a116
-  %t117 = load i64, ptr %a36
+  %t117 = load i64, ptr %a33
   %t118 = add i64 %t117, 7
   %t119 = sdiv i64 %t118, 8
   store i64 %t119, ptr %a120
@@ -60692,14 +71728,14 @@ endif6778:
   %t135 = insertvalue { ptr, i64, i64 } %t134, i64 2, 2
   store { ptr, i64, i64 } %t135, ptr %a136
   store i64 0, ptr %a137
-  br label %each.cond6779
-each.cond6779:
+  br label %each.cond7150
+each.cond7150:
   %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %a116, i32 0, i32 1
   %t139 = load i64, ptr %t138
   %t140 = load i64, ptr %a137
   %t141 = icmp slt i64 %t140, %t139
-  br i1 %t141, label %each.body6780, label %each.end6782
-each.body6780:
+  br i1 %t141, label %each.body7151, label %each.end7153
+each.body7151:
   %t142 = load ptr, ptr %a116
   %t143 = getelementptr inbounds %S.gen.Leaf, ptr %t142, i64 %t140
   %t144 = load %S.gen.Leaf, ptr %t143
@@ -60709,324 +71745,301 @@ each.body6780:
   store i64 %t147, ptr %a148
   %t149 = load i64, ptr %a148
   %t150 = icmp sgt i64 %t149, 8
-  br i1 %t150, label %then6783, label %endif6785
-then6783:
+  br i1 %t150, label %then7154, label %endif7156
+then7154:
   store i64 8, ptr %a148
-  br label %endif6785
-endif6785:
+  br label %endif7156
+endif7156:
   %t151 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 0
   %t152 = load i64, ptr %t151
   %t153 = load i64, ptr %a148
   %t154 = icmp eq i64 %t153, 0
-  br i1 %t154, label %panic6786, label %ok6787
-panic6786:
-  call void @finch_panic(ptr @.str.4433, i64 3838, ptr @.str.4434)
+  br i1 %t154, label %panic7157, label %ok7158
+panic7157:
+  call void @finch_panic(ptr @.str.4602, i64 4125, ptr @.str.4603)
   unreachable
-ok6787:
+ok7158:
   %t155 = srem i64 %t152, %t153
   %t156 = icmp ne i64 %t155, 0
-  br i1 %t156, label %then6788, label %endif6790
-then6788:
+  br i1 %t156, label %then7159, label %endif7161
+then7159:
   %t157 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4435, i64 6, i64 0 }, ptr %t157
-  %t158 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t158, ptr %a159
-  call void @finch.copy.S_gen_Abi(ptr %a160, ptr %a159)
-  %t161 = load %S.gen.Abi, ptr %a160
-  ret %S.gen.Abi %t161
-endif6790:
-  %t162 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 0
-  %t163 = load i64, ptr %t162
-  %t164 = sdiv i64 %t163, 8
-  store i64 %t164, ptr %a165
-  %t166 = load i64, ptr %a165
-  %t167 = load { ptr, i64, i64 }, ptr %a128
-  %t168 = extractvalue { ptr, i64, i64 } %t167, 1
-  %t169 = icmp uge i64 %t166, %t168
-  br i1 %t169, label %range6791, label %inrange6792
-range6791:
-  call void @finch_panic_index(ptr @.str.4436, i64 3843, i64 %t166, i64 %t168)
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  store { ptr, i64, i64 } { ptr @.str.4604, i64 6, i64 0 }, ptr %t157
+  store { ptr, i64, i64 } %t158, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.arr_bool(ptr %a136)
+  call void @finch.drop.arr_int(ptr %a128)
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a116)
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  ret %S.gen.Abi %t160
+endif7161:
+  %t161 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 0
+  %t162 = load i64, ptr %t161
+  %t163 = sdiv i64 %t162, 8
+  store i64 %t163, ptr %a164
+  %t165 = load i64, ptr %a164
+  %t166 = load { ptr, i64, i64 }, ptr %a128
+  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
+  %t168 = icmp uge i64 %t165, %t167
+  br i1 %t168, label %range7162, label %inrange7163
+range7162:
+  call void @finch_panic_index(ptr @.str.4605, i64 4130, i64 %t165, i64 %t167)
   unreachable
-inrange6792:
-  %t170 = extractvalue { ptr, i64, i64 } %t167, 0
-  %t171 = getelementptr inbounds i64, ptr %t170, i64 %t166
-  %t172 = load i64, ptr %t171
-  %t173 = icmp eq i64 %t172, 1
-  br label %logic.from6793
-logic.from6793:
-  br i1 %t173, label %logic.end6795, label %logic.rhs6794
-logic.rhs6794:
-  %t174 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 2
-  %t175 = load i1, ptr %t174
-  %t176 = xor i1 %t175, true
-  br label %logic.rend6796
-logic.rend6796:
-  br label %logic.end6795
-logic.end6795:
-  %t177 = phi i1 [ true, %logic.from6793 ], [ %t176, %logic.rend6796 ]
-  br i1 %t177, label %then6797, label %else6798
-then6797:
-  %t178 = load i64, ptr %a165
-  %t179 = load { ptr, i64, i64 }, ptr %a128
-  %t180 = extractvalue { ptr, i64, i64 } %t179, 1
-  %t181 = icmp uge i64 %t178, %t180
-  br i1 %t181, label %range6800, label %inrange6801
-range6800:
-  call void @finch_panic_index(ptr @.str.4437, i64 3844, i64 %t178, i64 %t180)
+inrange7163:
+  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
+  %t170 = getelementptr inbounds i64, ptr %t169, i64 %t165
+  %t171 = load i64, ptr %t170
+  %t172 = icmp eq i64 %t171, 1
+  br label %logic.from7164
+logic.from7164:
+  br i1 %t172, label %logic.end7166, label %logic.rhs7165
+logic.rhs7165:
+  %t173 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 2
+  %t174 = load i1, ptr %t173
+  %t175 = xor i1 %t174, true
+  br label %logic.rend7167
+logic.rend7167:
+  br label %logic.end7166
+logic.end7166:
+  %t176 = phi i1 [ true, %logic.from7164 ], [ %t175, %logic.rend7167 ]
+  br i1 %t176, label %then7168, label %else7169
+then7168:
+  %t177 = load i64, ptr %a164
+  %t178 = load { ptr, i64, i64 }, ptr %a128
+  %t179 = extractvalue { ptr, i64, i64 } %t178, 1
+  %t180 = icmp uge i64 %t177, %t179
+  br i1 %t180, label %range7171, label %inrange7172
+range7171:
+  call void @finch_panic_index(ptr @.str.4606, i64 4131, i64 %t177, i64 %t179)
   unreachable
-inrange6801:
-  %t182 = extractvalue { ptr, i64, i64 } %t179, 0
-  %t183 = getelementptr inbounds i64, ptr %t182, i64 %t178
-  store i64 1, ptr %t183
-  br label %endif6799
-else6798:
-  %t184 = load i64, ptr %a165
-  %t185 = load { ptr, i64, i64 }, ptr %a128
-  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
-  %t187 = icmp uge i64 %t184, %t186
-  br i1 %t187, label %range6802, label %inrange6803
-range6802:
-  call void @finch_panic_index(ptr @.str.4438, i64 3846, i64 %t184, i64 %t186)
+inrange7172:
+  %t181 = extractvalue { ptr, i64, i64 } %t178, 0
+  %t182 = getelementptr inbounds i64, ptr %t181, i64 %t177
+  store i64 1, ptr %t182
+  br label %endif7170
+else7169:
+  %t183 = load i64, ptr %a164
+  %t184 = load { ptr, i64, i64 }, ptr %a128
+  %t185 = extractvalue { ptr, i64, i64 } %t184, 1
+  %t186 = icmp uge i64 %t183, %t185
+  br i1 %t186, label %range7173, label %inrange7174
+range7173:
+  call void @finch_panic_index(ptr @.str.4607, i64 4133, i64 %t183, i64 %t185)
   unreachable
-inrange6803:
-  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
-  %t189 = getelementptr inbounds i64, ptr %t188, i64 %t184
-  store i64 2, ptr %t189
-  br label %endif6799
-endif6799:
-  %t190 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 3
-  %t191 = load i1, ptr %t190
-  br i1 %t191, label %then6804, label %endif6806
-then6804:
-  %t192 = load i64, ptr %a165
-  %t193 = load { ptr, i64, i64 }, ptr %a136
-  %t194 = extractvalue { ptr, i64, i64 } %t193, 1
-  %t195 = icmp uge i64 %t192, %t194
-  br i1 %t195, label %range6807, label %inrange6808
-range6807:
-  call void @finch_panic_index(ptr @.str.4439, i64 3849, i64 %t192, i64 %t194)
+inrange7174:
+  %t187 = extractvalue { ptr, i64, i64 } %t184, 0
+  %t188 = getelementptr inbounds i64, ptr %t187, i64 %t183
+  store i64 2, ptr %t188
+  br label %endif7170
+endif7170:
+  %t189 = getelementptr inbounds %S.gen.Leaf, ptr %a145, i32 0, i32 3
+  %t190 = load i1, ptr %t189
+  br i1 %t190, label %then7175, label %endif7177
+then7175:
+  %t191 = load i64, ptr %a164
+  %t192 = load { ptr, i64, i64 }, ptr %a136
+  %t193 = extractvalue { ptr, i64, i64 } %t192, 1
+  %t194 = icmp uge i64 %t191, %t193
+  br i1 %t194, label %range7178, label %inrange7179
+range7178:
+  call void @finch_panic_index(ptr @.str.4608, i64 4136, i64 %t191, i64 %t193)
   unreachable
-inrange6808:
-  %t196 = extractvalue { ptr, i64, i64 } %t193, 0
-  %t197 = getelementptr inbounds i1, ptr %t196, i64 %t192
-  store i1 true, ptr %t197
-  br label %endif6806
-endif6806:
-  br label %each.step6781
-each.step6781:
-  %t198 = load i64, ptr %a137
-  %t199 = add i64 %t198, 1
-  store i64 %t199, ptr %a137
-  br label %each.cond6779
-each.end6782:
-  %t200 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4440, i64 6, i64 0 }, ptr %t200
-  %t201 = load i64, ptr %a120
-  store i64 0, ptr %a202
-  br label %for.cond6809
-for.cond6809:
-  %t203 = load i64, ptr %a202
-  %t204 = icmp slt i64 %t203, %t201
-  br i1 %t204, label %for.body6810, label %for.end6812
-for.body6810:
-  %t205 = load i64, ptr %a36
-  %t206 = load i64, ptr %a202
-  %t207 = mul i64 8, %t206
-  %t208 = sub i64 %t205, %t207
-  store i64 %t208, ptr %a209
-  %t210 = load i64, ptr %a209
-  %t211 = icmp sgt i64 %t210, 8
-  br i1 %t211, label %then6813, label %endif6815
-then6813:
-  store i64 8, ptr %a209
-  br label %endif6815
-endif6815:
-  %t212 = load i64, ptr %a202
-  %t213 = load { ptr, i64, i64 }, ptr %a128
-  %t214 = extractvalue { ptr, i64, i64 } %t213, 1
-  %t215 = icmp uge i64 %t212, %t214
-  br i1 %t215, label %range6816, label %inrange6817
-range6816:
-  call void @finch_panic_index(ptr @.str.4441, i64 3858, i64 %t212, i64 %t214)
+inrange7179:
+  %t195 = extractvalue { ptr, i64, i64 } %t192, 0
+  %t196 = getelementptr inbounds i1, ptr %t195, i64 %t191
+  store i1 true, ptr %t196
+  br label %endif7177
+endif7177:
+  br label %each.step7152
+each.step7152:
+  %t197 = load i64, ptr %a137
+  %t198 = add i64 %t197, 1
+  store i64 %t198, ptr %a137
+  br label %each.cond7150
+each.end7153:
+  %t199 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 0
+  %t200 = load { ptr, i64, i64 }, ptr %t199
+  store { ptr, i64, i64 } { ptr @.str.4609, i64 6, i64 0 }, ptr %t199
+  store { ptr, i64, i64 } %t200, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = load i64, ptr %a120
+  store i64 0, ptr %a203
+  br label %for.cond7180
+for.cond7180:
+  %t204 = load i64, ptr %a203
+  %t205 = icmp slt i64 %t204, %t202
+  br i1 %t205, label %for.body7181, label %for.end7183
+for.body7181:
+  %t206 = load i64, ptr %a33
+  %t207 = load i64, ptr %a203
+  %t208 = mul i64 8, %t207
+  %t209 = sub i64 %t206, %t208
+  store i64 %t209, ptr %a210
+  %t211 = load i64, ptr %a210
+  %t212 = icmp sgt i64 %t211, 8
+  br i1 %t212, label %then7184, label %endif7186
+then7184:
+  store i64 8, ptr %a210
+  br label %endif7186
+endif7186:
+  %t213 = load i64, ptr %a203
+  %t214 = load { ptr, i64, i64 }, ptr %a128
+  %t215 = extractvalue { ptr, i64, i64 } %t214, 1
+  %t216 = icmp uge i64 %t213, %t215
+  br i1 %t216, label %range7187, label %inrange7188
+range7187:
+  call void @finch_panic_index(ptr @.str.4610, i64 4145, i64 %t213, i64 %t215)
   unreachable
-inrange6817:
-  %t216 = extractvalue { ptr, i64, i64 } %t213, 0
-  %t217 = getelementptr inbounds i64, ptr %t216, i64 %t212
-  %t218 = load i64, ptr %t217
-  %t219 = icmp eq i64 %t218, 2
-  br i1 %t219, label %then6818, label %else6819
-then6818:
-  %t220 = load i64, ptr %a202
-  %t221 = load { ptr, i64, i64 }, ptr %a136
-  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
-  %t223 = icmp uge i64 %t220, %t222
-  br i1 %t223, label %range6821, label %inrange6822
-range6821:
-  call void @finch_panic_index(ptr @.str.4442, i64 3859, i64 %t220, i64 %t222)
+inrange7188:
+  %t217 = extractvalue { ptr, i64, i64 } %t214, 0
+  %t218 = getelementptr inbounds i64, ptr %t217, i64 %t213
+  %t219 = load i64, ptr %t218
+  %t220 = icmp eq i64 %t219, 2
+  br i1 %t220, label %then7189, label %else7190
+then7189:
+  %t221 = load i64, ptr %a203
+  %t222 = load { ptr, i64, i64 }, ptr %a136
+  %t223 = extractvalue { ptr, i64, i64 } %t222, 1
+  %t224 = icmp uge i64 %t221, %t223
+  br i1 %t224, label %range7192, label %inrange7193
+range7192:
+  call void @finch_panic_index(ptr @.str.4611, i64 4146, i64 %t221, i64 %t223)
   unreachable
-inrange6822:
-  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
-  %t225 = getelementptr inbounds i1, ptr %t224, i64 %t220
-  %t226 = load i1, ptr %t225
-  br i1 %t226, label %then6823, label %else6824
-then6823:
-  %t227 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t228 = getelementptr inbounds { ptr, i64, i64 }, ptr %t227, i32 0, i32 1
-  %t229 = load i64, ptr %t228
-  %t230 = add i64 %t229, 1
-  call void @finch_arr_reserve(ptr %t227, i64 %t230, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t231 = load ptr, ptr %t227
-  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t231, i64 %t229
-  store { ptr, i64, i64 } { ptr @.str.4443, i64 6, i64 0 }, ptr %t232
-  store i64 %t230, ptr %t228
-  br label %endif6825
-else6824:
-  %t233 = load i64, ptr %a209
-  %t234 = icmp sgt i64 %t233, 4
-  br i1 %t234, label %then6826, label %else6827
-then6826:
-  %t235 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t236 = getelementptr inbounds { ptr, i64, i64 }, ptr %t235, i32 0, i32 1
-  %t237 = load i64, ptr %t236
-  %t238 = add i64 %t237, 1
-  call void @finch_arr_reserve(ptr %t235, i64 %t238, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t239 = load ptr, ptr %t235
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %t239, i64 %t237
-  store { ptr, i64, i64 } { ptr @.str.4444, i64 11, i64 0 }, ptr %t240
-  store i64 %t238, ptr %t236
-  br label %endif6828
-else6827:
-  %t241 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t242 = getelementptr inbounds { ptr, i64, i64 }, ptr %t241, i32 0, i32 1
-  %t243 = load i64, ptr %t242
-  %t244 = add i64 %t243, 1
-  call void @finch_arr_reserve(ptr %t241, i64 %t244, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t245 = load ptr, ptr %t241
-  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %t245, i64 %t243
-  store { ptr, i64, i64 } { ptr @.str.4445, i64 5, i64 0 }, ptr %t246
-  store i64 %t244, ptr %t242
-  br label %endif6828
-endif6828:
-  br label %endif6825
-endif6825:
-  br label %endif6820
-else6819:
-  %t247 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t248 = getelementptr inbounds { ptr, i64, i64 }, ptr %t247, i32 0, i32 1
-  %t249 = load i64, ptr %a209
-  %t250 = mul i64 %t249, 8
-  call void @finch_str_from_int(ptr %a251, i64 %t250)
-  %t252 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } { ptr @.str.4446, i64 1, i64 0 }, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  %t257 = load i64, ptr %t248
-  %t258 = add i64 %t257, 1
-  call void @finch_arr_reserve(ptr %t247, i64 %t258, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t259 = load ptr, ptr %t247
-  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i64 %t257
-  store { ptr, i64, i64 } %t256, ptr %t260
-  store i64 %t258, ptr %t248
-  br label %endif6820
-endif6820:
-  br label %for.step6811
-for.step6811:
-  %t261 = load i64, ptr %a202
-  %t262 = add i64 %t261, 1
-  store i64 %t262, ptr %a202
-  br label %for.cond6809
-for.end6812:
-  %t263 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i32 0, i32 1
-  %t265 = load i64, ptr %t264
-  %t266 = icmp eq i64 %t265, 1
-  br i1 %t266, label %then6829, label %else6830
-then6829:
-  %t267 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t268 = load { ptr, i64, i64 }, ptr %t267
-  %t269 = extractvalue { ptr, i64, i64 } %t268, 1
-  %t270 = icmp uge i64 0, %t269
-  br i1 %t270, label %range6832, label %inrange6833
-range6832:
-  call void @finch_panic_index(ptr @.str.4447, i64 3871, i64 0, i64 %t269)
+inrange7193:
+  %t225 = extractvalue { ptr, i64, i64 } %t222, 0
+  %t226 = getelementptr inbounds i1, ptr %t225, i64 %t221
+  %t227 = load i1, ptr %t226
+  br i1 %t227, label %then7194, label %else7195
+then7194:
+  %t228 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t229 = getelementptr inbounds { ptr, i64, i64 }, ptr %t228, i32 0, i32 1
+  %t230 = load i64, ptr %t229
+  %t231 = add i64 %t230, 1
+  call void @finch_arr_reserve(ptr %t228, i64 %t231, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t232 = load ptr, ptr %t228
+  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %t232, i64 %t230
+  store { ptr, i64, i64 } { ptr @.str.4612, i64 6, i64 0 }, ptr %t233
+  store i64 %t231, ptr %t229
+  br label %endif7196
+else7195:
+  %t234 = load i64, ptr %a210
+  %t235 = icmp sgt i64 %t234, 4
+  br i1 %t235, label %then7197, label %else7198
+then7197:
+  %t236 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %t236, i32 0, i32 1
+  %t238 = load i64, ptr %t237
+  %t239 = add i64 %t238, 1
+  call void @finch_arr_reserve(ptr %t236, i64 %t239, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t240 = load ptr, ptr %t236
+  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t240, i64 %t238
+  store { ptr, i64, i64 } { ptr @.str.4613, i64 11, i64 0 }, ptr %t241
+  store i64 %t239, ptr %t237
+  br label %endif7199
+else7198:
+  %t242 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i32 0, i32 1
+  %t244 = load i64, ptr %t243
+  %t245 = add i64 %t244, 1
+  call void @finch_arr_reserve(ptr %t242, i64 %t245, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t246 = load ptr, ptr %t242
+  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i64 %t244
+  store { ptr, i64, i64 } { ptr @.str.4614, i64 5, i64 0 }, ptr %t247
+  store i64 %t245, ptr %t243
+  br label %endif7199
+endif7199:
+  br label %endif7196
+endif7196:
+  br label %endif7191
+else7190:
+  %t248 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i32 0, i32 1
+  %t250 = load i64, ptr %a210
+  %t251 = mul i64 %t250, 8
+  call void @finch_str_from_int(ptr %a252, i64 %t251)
+  %t253 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } { ptr @.str.4615, i64 1, i64 0 }, ptr %a255
+  store { ptr, i64, i64 } %t253, ptr %a256
+  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
+  store { ptr, i64, i64 } %t253, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  %t258 = load { ptr, i64, i64 }, ptr %a254
+  %t259 = load i64, ptr %t249
+  %t260 = add i64 %t259, 1
+  call void @finch_arr_reserve(ptr %t248, i64 %t260, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t261 = load ptr, ptr %t248
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t261, i64 %t259
+  store { ptr, i64, i64 } %t258, ptr %t262
+  store i64 %t260, ptr %t249
+  br label %endif7191
+endif7191:
+  br label %for.step7182
+for.step7182:
+  %t263 = load i64, ptr %a203
+  %t264 = add i64 %t263, 1
+  store i64 %t264, ptr %a203
+  br label %for.cond7180
+for.end7183:
+  %t265 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %t265, i32 0, i32 1
+  %t267 = load i64, ptr %t266
+  %t268 = icmp eq i64 %t267, 1
+  br i1 %t268, label %then7200, label %else7201
+then7200:
+  %t269 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t270 = load { ptr, i64, i64 }, ptr %t269
+  %t271 = extractvalue { ptr, i64, i64 } %t270, 1
+  %t272 = icmp uge i64 0, %t271
+  br i1 %t272, label %range7203, label %inrange7204
+range7203:
+  call void @finch_panic_index(ptr @.str.4616, i64 4158, i64 0, i64 %t271)
   unreachable
-inrange6833:
-  %t271 = extractvalue { ptr, i64, i64 } %t268, 0
-  %t272 = getelementptr inbounds { ptr, i64, i64 }, ptr %t271, i64 0
-  %t273 = load { ptr, i64, i64 }, ptr %t272
-  %t274 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t273, ptr %a275
-  call void @finch_str_copy(ptr %a276, ptr %a275)
-  %t277 = load { ptr, i64, i64 }, ptr %a276
-  store { ptr, i64, i64 } %t277, ptr %t274
-  br label %endif6831
-else6830:
-  %t278 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
-  %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t278, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4449, i64 2, i64 0 }, ptr %a280
-  call void @finch_str_join(ptr %a281, ptr %t278, ptr %a280)
-  %t282 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } { ptr @.str.4448, i64 2, i64 0 }, ptr %a284
-  store { ptr, i64, i64 } %t282, ptr %a285
-  call void @finch_str_concat(ptr %a283, ptr %a284, ptr %a285)
-  %t286 = load { ptr, i64, i64 }, ptr %a283
-  store { ptr, i64, i64 } %t286, ptr %a288
-  store { ptr, i64, i64 } { ptr @.str.4450, i64 2, i64 0 }, ptr %a289
+inrange7204:
+  %t273 = extractvalue { ptr, i64, i64 } %t270, 0
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 0
+  %t275 = load { ptr, i64, i64 }, ptr %t274
+  %t276 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
+  store { ptr, i64, i64 } %t275, ptr %a277
+  call void @finch_str_copy(ptr %a278, ptr %a277)
+  %t279 = load { ptr, i64, i64 }, ptr %a278
+  %t280 = load { ptr, i64, i64 }, ptr %t276
+  store { ptr, i64, i64 } %t279, ptr %t276
+  store { ptr, i64, i64 } %t280, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  br label %endif7202
+else7201:
+  %t282 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 1
+  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4618, i64 2, i64 0 }, ptr %a284
+  call void @finch_str_join(ptr %a285, ptr %t282, ptr %a284)
+  %t286 = load { ptr, i64, i64 }, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.4617, i64 2, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
   call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
-  %t290 = load { ptr, i64, i64 }, ptr %a287
-  %t291 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t290, ptr %t291
-  br label %endif6831
-endif6831:
-  %t292 = load %S.gen.Abi, ptr %a4
-  store %S.gen.Abi %t292, ptr %a293
-  call void @finch.copy.S_gen_Abi(ptr %a294, ptr %a293)
-  %t295 = load %S.gen.Abi, ptr %a294
-  ret %S.gen.Abi %t295
-}
-
-define internal void @finch.copy.arr_S_gen_Abi(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.gen.Abi, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond6885
-n.cond6885:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body6886, label %n.end6887
-n.body6886:
-  %t8 = getelementptr inbounds %S.gen.Abi, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.gen.Abi, ptr %t2, i64 %t6
-  call void @finch.copy.S_gen_Abi(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond6885
-n.end6887:
-  ret void
-}
-
-define internal void @finch.copy.S_gen_Plan(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.gen.Plan, ptr %src
-  store %S.gen.Plan %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.gen.Plan, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.gen.Plan, ptr %src, i32 0, i32 0
-  call void @finch.copy.S_gen_Abi(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.gen.Plan, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.gen.Plan, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_S_gen_Abi(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.gen.Plan, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.gen.Plan, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  ret void
+  store { ptr, i64, i64 } %t286, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.4619, i64 2, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = getelementptr inbounds %S.gen.Abi, ptr %a4, i32 0, i32 2
+  %t298 = load { ptr, i64, i64 }, ptr %t297
+  store { ptr, i64, i64 } %t296, ptr %t297
+  store { ptr, i64, i64 } %t298, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  br label %endif7202
+endif7202:
+  %t300 = load %S.gen.Abi, ptr %a4
+  call void @finch.drop.arr_bool(ptr %a136)
+  call void @finch.drop.arr_int(ptr %a128)
+  call void @finch.drop.arr_S_gen_Leaf(ptr %a116)
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
+  ret %S.gen.Abi %t300
 }
 
 define internal %S.gen.Plan @finch.gen.makePlan(ptr %p0, %S.ast.Type %p1, { ptr, i64, i64 } %p2) {
@@ -61037,34 +72050,39 @@ entry:
   %a4 = alloca %S.gen.Plan, align 16
   %a5 = alloca i64, align 16
   %a6 = alloca i64, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca %S.gen.Abi, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca i64, align 16
-  %a64 = alloca %S.ast.Type, align 16
-  %a68 = alloca %S.gen.Abi, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca i64, align 16
-  %a76 = alloca i64, align 16
-  %a78 = alloca i64, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca %S.gen.Abi, align 16
-  %a141 = alloca %S.gen.Abi, align 16
-  %a150 = alloca %S.gen.Plan, align 16
-  %a151 = alloca %S.gen.Plan, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca i64, align 16
+  %a76 = alloca %S.ast.Type, align 16
+  %a80 = alloca %S.gen.Abi, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca i64, align 16
+  %a88 = alloca i64, align 16
+  %a90 = alloca i64, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca %S.gen.Abi, align 16
+  %a155 = alloca %S.gen.Abi, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -61075,264 +72093,283 @@ entry:
   %t8 = load %S.ast.Type, ptr %a2
   %t9 = call %S.gen.Abi @finch.gen.classify(ptr %t7, %S.ast.Type %t8)
   %t10 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t11 = load %S.gen.Abi, ptr %t10
   store %S.gen.Abi %t9, ptr %t10
-  %t11 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4451, i64 4, i64 0 }, ptr %t11
-  %t12 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.4452, i64 4, i64 0 }, ptr %a15
-  %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
-  %t17 = icmp eq i32 %t16, 0
-  br i1 %t17, label %then6834, label %endif6836
-then6834:
-  %t18 = load ptr, ptr %a1
-  %t19 = load %S.ast.Type, ptr %a2
-  %t20 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t18, %S.ast.Type %t19)
-  %t21 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t20, ptr %t21
-  br label %endif6836
-endif6836:
-  %t22 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t23 = getelementptr inbounds %S.gen.Abi, ptr %t22, i32 0, i32 0
-  %t24 = load { ptr, i64, i64 }, ptr %t23
-  store { ptr, i64, i64 } %t24, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.4453, i64 8, i64 0 }, ptr %a26
-  %t27 = call i32 @finch_str_eq(ptr %a25, ptr %a26)
-  %t28 = icmp ne i32 %t27, 0
-  br i1 %t28, label %then6837, label %endif6839
-then6837:
-  %t29 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t30 = getelementptr inbounds %S.gen.Abi, ptr %t29, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4454, i64 6, i64 0 }, ptr %t30
-  br label %endif6839
-endif6839:
-  %t31 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t32 = getelementptr inbounds %S.gen.Abi, ptr %t31, i32 0, i32 0
-  %t33 = load { ptr, i64, i64 }, ptr %t32
-  store { ptr, i64, i64 } %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.4455, i64 6, i64 0 }, ptr %a35
-  %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
-  %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then6840, label %else6841
-then6840:
-  %t38 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 3
-  store i1 true, ptr %t38
-  %t39 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } { ptr @.str.4456, i64 4, i64 0 }, ptr %t39
-  %t40 = load i64, ptr %a5
-  %t41 = sub i64 %t40, 1
-  store i64 %t41, ptr %a5
-  br label %endif6842
-else6841:
-  %t42 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t43 = getelementptr inbounds %S.gen.Abi, ptr %t42, i32 0, i32 0
-  %t44 = load { ptr, i64, i64 }, ptr %t43
-  store { ptr, i64, i64 } %t44, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.4457, i64 6, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br i1 %t48, label %then6843, label %endif6845
-then6843:
-  %t49 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
-  %t50 = getelementptr inbounds %S.gen.Abi, ptr %t49, i32 0, i32 2
-  %t51 = load { ptr, i64, i64 }, ptr %t50
-  %t52 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
-  store { ptr, i64, i64 } %t51, ptr %a53
-  call void @finch_str_copy(ptr %a54, ptr %a53)
-  %t55 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t55, ptr %t52
-  br label %endif6845
-endif6845:
-  br label %endif6842
-endif6842:
-  store i64 0, ptr %a56
-  br label %each.cond6846
-each.cond6846:
-  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t58 = load i64, ptr %t57
-  %t59 = load i64, ptr %a56
-  %t60 = icmp slt i64 %t59, %t58
-  br i1 %t60, label %each.body6847, label %each.end6849
-each.body6847:
-  %t61 = load ptr, ptr %a3
-  %t62 = getelementptr inbounds %S.ast.Type, ptr %t61, i64 %t59
-  %t63 = load %S.ast.Type, ptr %t62
-  store %S.ast.Type %t63, ptr %a64
-  %t65 = load ptr, ptr %a1
-  %t66 = load %S.ast.Type, ptr %a64
-  %t67 = call %S.gen.Abi @finch.gen.classify(ptr %t65, %S.ast.Type %t66)
-  store %S.gen.Abi %t67, ptr %a68
-  %t69 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 0
-  %t70 = load { ptr, i64, i64 }, ptr %t69
-  store { ptr, i64, i64 } %t70, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.4458, i64 6, i64 0 }, ptr %a72
-  %t73 = call i32 @finch_str_eq(ptr %a71, ptr %a72)
-  %t74 = icmp ne i32 %t73, 0
-  br i1 %t74, label %then6850, label %else6851
-then6850:
-  store i64 0, ptr %a75
-  store i64 0, ptr %a76
-  %t77 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 1
-  store i64 0, ptr %a78
-  br label %each.cond6853
-each.cond6853:
-  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t80 = load i64, ptr %t79
-  %t81 = load i64, ptr %a78
-  %t82 = icmp slt i64 %t81, %t80
-  br i1 %t82, label %each.body6854, label %each.end6856
-each.body6854:
-  %t83 = load ptr, ptr %t77
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } %t85, ptr %a86
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.4460, i64 1, i64 0 }, ptr %a90
-  %t91 = call i32 @finch_str_starts(ptr %a88, ptr %a90)
-  %t92 = icmp ne i32 %t91, 0
-  br i1 %t92, label %then6857, label %else6858
-then6857:
-  %t93 = load i64, ptr %a75
-  %t94 = add i64 %t93, 1
-  store i64 %t94, ptr %a75
-  br label %endif6859
-else6858:
-  %t95 = load i64, ptr %a76
-  %t96 = add i64 %t95, 1
-  store i64 %t96, ptr %a76
-  br label %endif6859
-endif6859:
-  br label %each.step6855
-each.step6855:
-  %t97 = load i64, ptr %a78
-  %t98 = add i64 %t97, 1
-  store i64 %t98, ptr %a78
-  br label %each.cond6853
-each.end6856:
-  %t99 = load ptr, ptr %a1
-  %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic6860, label %ok6861
-panic6860:
-  call void @finch_panic(ptr @.str.4461, i64 3911, ptr @.str.4462)
+  store %S.gen.Abi %t11, ptr %a12
+  call void @finch.drop.S_gen_Abi(ptr %a12)
+  %t13 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.4620, i64 4, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } %t14, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  %t16 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t17 = load { ptr, i64, i64 }, ptr %t16
+  store { ptr, i64, i64 } %t17, ptr %a18
+  store { ptr, i64, i64 } { ptr @.str.4621, i64 4, i64 0 }, ptr %a19
+  %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
+  %t21 = icmp eq i32 %t20, 0
+  br i1 %t21, label %then7205, label %endif7207
+then7205:
+  %t22 = load ptr, ptr %a1
+  %t23 = load %S.ast.Type, ptr %a2
+  %t24 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t22, %S.ast.Type %t23)
+  %t25 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  %t26 = load { ptr, i64, i64 }, ptr %t25
+  store { ptr, i64, i64 } %t24, ptr %t25
+  store { ptr, i64, i64 } %t26, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  br label %endif7207
+endif7207:
+  %t28 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t29 = getelementptr inbounds %S.gen.Abi, ptr %t28, i32 0, i32 0
+  %t30 = load { ptr, i64, i64 }, ptr %t29
+  store { ptr, i64, i64 } %t30, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.4622, i64 8, i64 0 }, ptr %a32
+  %t33 = call i32 @finch_str_eq(ptr %a31, ptr %a32)
+  %t34 = icmp ne i32 %t33, 0
+  br i1 %t34, label %then7208, label %endif7210
+then7208:
+  %t35 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t36 = getelementptr inbounds %S.gen.Abi, ptr %t35, i32 0, i32 0
+  %t37 = load { ptr, i64, i64 }, ptr %t36
+  store { ptr, i64, i64 } { ptr @.str.4623, i64 6, i64 0 }, ptr %t36
+  store { ptr, i64, i64 } %t37, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  br label %endif7210
+endif7210:
+  %t39 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t40 = getelementptr inbounds %S.gen.Abi, ptr %t39, i32 0, i32 0
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.4624, i64 6, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br i1 %t45, label %then7211, label %else7212
+then7211:
+  %t46 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 3
+  store i1 true, ptr %t46
+  %t47 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  %t48 = load { ptr, i64, i64 }, ptr %t47
+  store { ptr, i64, i64 } { ptr @.str.4625, i64 4, i64 0 }, ptr %t47
+  store { ptr, i64, i64 } %t48, ptr %a49
+  call void @finch_str_drop(ptr %a49)
+  %t50 = load i64, ptr %a5
+  %t51 = sub i64 %t50, 1
+  store i64 %t51, ptr %a5
+  br label %endif7213
+else7212:
+  %t52 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t53 = getelementptr inbounds %S.gen.Abi, ptr %t52, i32 0, i32 0
+  %t54 = load { ptr, i64, i64 }, ptr %t53
+  store { ptr, i64, i64 } %t54, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.4626, i64 6, i64 0 }, ptr %a56
+  %t57 = call i32 @finch_str_eq(ptr %a55, ptr %a56)
+  %t58 = icmp ne i32 %t57, 0
+  br i1 %t58, label %then7214, label %endif7216
+then7214:
+  %t59 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 0
+  %t60 = getelementptr inbounds %S.gen.Abi, ptr %t59, i32 0, i32 2
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 2
+  store { ptr, i64, i64 } %t61, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  %t66 = load { ptr, i64, i64 }, ptr %t62
+  store { ptr, i64, i64 } %t65, ptr %t62
+  store { ptr, i64, i64 } %t66, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  br label %endif7216
+endif7216:
+  br label %endif7213
+endif7213:
+  store i64 0, ptr %a68
+  br label %each.cond7217
+each.cond7217:
+  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t70 = load i64, ptr %t69
+  %t71 = load i64, ptr %a68
+  %t72 = icmp slt i64 %t71, %t70
+  br i1 %t72, label %each.body7218, label %each.end7220
+each.body7218:
+  %t73 = load ptr, ptr %a3
+  %t74 = getelementptr inbounds %S.ast.Type, ptr %t73, i64 %t71
+  %t75 = load %S.ast.Type, ptr %t74
+  store %S.ast.Type %t75, ptr %a76
+  %t77 = load ptr, ptr %a1
+  %t78 = load %S.ast.Type, ptr %a76
+  %t79 = call %S.gen.Abi @finch.gen.classify(ptr %t77, %S.ast.Type %t78)
+  store %S.gen.Abi %t79, ptr %a80
+  %t81 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 0
+  %t82 = load { ptr, i64, i64 }, ptr %t81
+  store { ptr, i64, i64 } %t82, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.4627, i64 6, i64 0 }, ptr %a84
+  %t85 = call i32 @finch_str_eq(ptr %a83, ptr %a84)
+  %t86 = icmp ne i32 %t85, 0
+  br i1 %t86, label %then7221, label %else7222
+then7221:
+  store i64 0, ptr %a87
+  store i64 0, ptr %a88
+  %t89 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 1
+  store i64 0, ptr %a90
+  br label %each.cond7224
+each.cond7224:
+  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i32 0, i32 1
+  %t92 = load i64, ptr %t91
+  %t93 = load i64, ptr %a90
+  %t94 = icmp slt i64 %t93, %t92
+  br i1 %t94, label %each.body7225, label %each.end7227
+each.body7225:
+  %t95 = load ptr, ptr %t89
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i64 %t93
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  store { ptr, i64, i64 } %t97, ptr %a98
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t99, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.4629, i64 1, i64 0 }, ptr %a102
+  %t103 = call i32 @finch_str_starts(ptr %a100, ptr %a102)
+  %t104 = icmp ne i32 %t103, 0
+  br i1 %t104, label %then7228, label %else7229
+then7228:
+  %t105 = load i64, ptr %a87
+  %t106 = add i64 %t105, 1
+  store i64 %t106, ptr %a87
+  br label %endif7230
+else7229:
+  %t107 = load i64, ptr %a88
+  %t108 = add i64 %t107, 1
+  store i64 %t108, ptr %a88
+  br label %endif7230
+endif7230:
+  br label %each.step7226
+each.step7226:
+  %t109 = load i64, ptr %a90
+  %t110 = add i64 %t109, 1
+  store i64 %t110, ptr %a90
+  br label %each.cond7224
+each.end7227:
+  %t111 = load ptr, ptr %a1
+  %t112 = icmp eq ptr %t111, null
+  br i1 %t112, label %panic7231, label %ok7232
+panic7231:
+  call void @finch_panic(ptr @.str.4630, i64 4198, ptr @.str.4631)
   unreachable
-ok6861:
-  %t101 = getelementptr inbounds %S.gen.Gen, ptr %t99, i32 0, i32 29
-  %t102 = getelementptr inbounds %S.platform.Target, ptr %t101, i32 0, i32 1
-  %t103 = load i1, ptr %t102
-  br label %logic.from6862
-logic.from6862:
-  br i1 %t103, label %logic.end6864, label %logic.rhs6863
-logic.rhs6863:
-  %t104 = load ptr, ptr %a1
-  %t105 = icmp eq ptr %t104, null
-  br i1 %t105, label %panic6865, label %ok6866
-panic6865:
-  call void @finch_panic(ptr @.str.4463, i64 3911, ptr @.str.4464)
+ok7232:
+  %t113 = getelementptr inbounds %S.gen.Gen, ptr %t111, i32 0, i32 30
+  %t114 = getelementptr inbounds %S.platform.Target, ptr %t113, i32 0, i32 1
+  %t115 = load i1, ptr %t114
+  br label %logic.from7233
+logic.from7233:
+  br i1 %t115, label %logic.end7235, label %logic.rhs7234
+logic.rhs7234:
+  %t116 = load ptr, ptr %a1
+  %t117 = icmp eq ptr %t116, null
+  br i1 %t117, label %panic7236, label %ok7237
+panic7236:
+  call void @finch_panic(ptr @.str.4632, i64 4198, ptr @.str.4633)
   unreachable
-ok6866:
-  %t106 = getelementptr inbounds %S.gen.Gen, ptr %t104, i32 0, i32 29
-  %t107 = getelementptr inbounds %S.platform.Target, ptr %t106, i32 0, i32 4
-  %t108 = load i1, ptr %t107
-  br label %logic.rend6867
-logic.rend6867:
-  br label %logic.end6864
-logic.end6864:
-  %t109 = phi i1 [ true, %logic.from6862 ], [ %t108, %logic.rend6867 ]
-  br label %logic.from6868
-logic.from6868:
-  br i1 %t109, label %logic.end6870, label %logic.rhs6869
-logic.rhs6869:
-  %t110 = load i64, ptr %a75
-  %t111 = load i64, ptr %a5
-  %t112 = icmp sle i64 %t110, %t111
-  br label %logic.from6871
-logic.from6871:
-  br i1 %t112, label %logic.rhs6872, label %logic.end6873
-logic.rhs6872:
-  %t113 = load i64, ptr %a76
-  %t114 = load i64, ptr %a6
-  %t115 = icmp sle i64 %t113, %t114
-  br label %logic.rend6874
-logic.rend6874:
-  br label %logic.end6873
-logic.end6873:
-  %t116 = phi i1 [ false, %logic.from6871 ], [ %t115, %logic.rend6874 ]
-  br label %logic.rend6875
-logic.rend6875:
-  br label %logic.end6870
-logic.end6870:
-  %t117 = phi i1 [ true, %logic.from6868 ], [ %t116, %logic.rend6875 ]
-  br i1 %t117, label %then6876, label %else6877
-then6876:
-  %t118 = load i64, ptr %a75
-  %t119 = load i64, ptr %a5
-  %t120 = sub i64 %t119, %t118
-  store i64 %t120, ptr %a5
-  %t121 = load i64, ptr %a76
-  %t122 = load i64, ptr %a6
-  %t123 = sub i64 %t122, %t121
-  store i64 %t123, ptr %a6
-  br label %endif6878
-else6877:
-  %t124 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 0
-  store { ptr, i64, i64 } { ptr @.str.4465, i64 6, i64 0 }, ptr %t124
-  br label %endif6878
-endif6878:
-  br label %endif6852
-else6851:
-  %t125 = getelementptr inbounds %S.gen.Abi, ptr %a68, i32 0, i32 0
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t126, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.4466, i64 6, i64 0 }, ptr %a128
-  %t129 = call i32 @finch_str_eq(ptr %a127, ptr %a128)
-  %t130 = icmp ne i32 %t129, 0
-  br i1 %t130, label %then6879, label %endif6881
-then6879:
-  %t131 = load %S.ast.Type, ptr %a64
-  %t132 = call i1 @finch.gen.isFloat(%S.ast.Type %t131)
-  br i1 %t132, label %then6882, label %else6883
-then6882:
-  %t133 = load i64, ptr %a6
-  %t134 = sub i64 %t133, 1
-  store i64 %t134, ptr %a6
-  br label %endif6884
-else6883:
-  %t135 = load i64, ptr %a5
-  %t136 = sub i64 %t135, 1
-  store i64 %t136, ptr %a5
-  br label %endif6884
-endif6884:
-  br label %endif6881
-endif6881:
-  br label %endif6852
-endif6852:
-  %t137 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 1
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
-  %t139 = load %S.gen.Abi, ptr %a68
-  store %S.gen.Abi %t139, ptr %a140
-  call void @finch.copy.S_gen_Abi(ptr %a141, ptr %a140)
-  %t142 = load %S.gen.Abi, ptr %a141
-  %t143 = load i64, ptr %t138
-  %t144 = add i64 %t143, 1
-  call void @finch_arr_reserve(ptr %t137, i64 %t144, i64 ptrtoint (ptr getelementptr (%S.gen.Abi, ptr null, i32 1) to i64))
-  %t145 = load ptr, ptr %t137
-  %t146 = getelementptr inbounds %S.gen.Abi, ptr %t145, i64 %t143
-  store %S.gen.Abi %t142, ptr %t146
-  store i64 %t144, ptr %t138
-  br label %each.step6848
-each.step6848:
-  %t147 = load i64, ptr %a56
-  %t148 = add i64 %t147, 1
-  store i64 %t148, ptr %a56
-  br label %each.cond6846
-each.end6849:
-  %t149 = load %S.gen.Plan, ptr %a4
-  store %S.gen.Plan %t149, ptr %a150
-  call void @finch.copy.S_gen_Plan(ptr %a151, ptr %a150)
-  %t152 = load %S.gen.Plan, ptr %a151
-  ret %S.gen.Plan %t152
+ok7237:
+  %t118 = getelementptr inbounds %S.gen.Gen, ptr %t116, i32 0, i32 30
+  %t119 = getelementptr inbounds %S.platform.Target, ptr %t118, i32 0, i32 4
+  %t120 = load i1, ptr %t119
+  br label %logic.rend7238
+logic.rend7238:
+  br label %logic.end7235
+logic.end7235:
+  %t121 = phi i1 [ true, %logic.from7233 ], [ %t120, %logic.rend7238 ]
+  br label %logic.from7239
+logic.from7239:
+  br i1 %t121, label %logic.end7241, label %logic.rhs7240
+logic.rhs7240:
+  %t122 = load i64, ptr %a87
+  %t123 = load i64, ptr %a5
+  %t124 = icmp sle i64 %t122, %t123
+  br label %logic.from7242
+logic.from7242:
+  br i1 %t124, label %logic.rhs7243, label %logic.end7244
+logic.rhs7243:
+  %t125 = load i64, ptr %a88
+  %t126 = load i64, ptr %a6
+  %t127 = icmp sle i64 %t125, %t126
+  br label %logic.rend7245
+logic.rend7245:
+  br label %logic.end7244
+logic.end7244:
+  %t128 = phi i1 [ false, %logic.from7242 ], [ %t127, %logic.rend7245 ]
+  br label %logic.rend7246
+logic.rend7246:
+  br label %logic.end7241
+logic.end7241:
+  %t129 = phi i1 [ true, %logic.from7239 ], [ %t128, %logic.rend7246 ]
+  br i1 %t129, label %then7247, label %else7248
+then7247:
+  %t130 = load i64, ptr %a87
+  %t131 = load i64, ptr %a5
+  %t132 = sub i64 %t131, %t130
+  store i64 %t132, ptr %a5
+  %t133 = load i64, ptr %a88
+  %t134 = load i64, ptr %a6
+  %t135 = sub i64 %t134, %t133
+  store i64 %t135, ptr %a6
+  br label %endif7249
+else7248:
+  %t136 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 0
+  %t137 = load { ptr, i64, i64 }, ptr %t136
+  store { ptr, i64, i64 } { ptr @.str.4634, i64 6, i64 0 }, ptr %t136
+  store { ptr, i64, i64 } %t137, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  br label %endif7249
+endif7249:
+  br label %endif7223
+else7222:
+  %t139 = getelementptr inbounds %S.gen.Abi, ptr %a80, i32 0, i32 0
+  %t140 = load { ptr, i64, i64 }, ptr %t139
+  store { ptr, i64, i64 } %t140, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.4635, i64 6, i64 0 }, ptr %a142
+  %t143 = call i32 @finch_str_eq(ptr %a141, ptr %a142)
+  %t144 = icmp ne i32 %t143, 0
+  br i1 %t144, label %then7250, label %endif7252
+then7250:
+  %t145 = load %S.ast.Type, ptr %a76
+  %t146 = call i1 @finch.gen.isFloat(%S.ast.Type %t145)
+  br i1 %t146, label %then7253, label %else7254
+then7253:
+  %t147 = load i64, ptr %a6
+  %t148 = sub i64 %t147, 1
+  store i64 %t148, ptr %a6
+  br label %endif7255
+else7254:
+  %t149 = load i64, ptr %a5
+  %t150 = sub i64 %t149, 1
+  store i64 %t150, ptr %a5
+  br label %endif7255
+endif7255:
+  br label %endif7252
+endif7252:
+  br label %endif7223
+endif7223:
+  %t151 = getelementptr inbounds %S.gen.Plan, ptr %a4, i32 0, i32 1
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = load %S.gen.Abi, ptr %a80
+  store %S.gen.Abi %t153, ptr %a154
+  call void @finch.copy.S_gen_Abi(ptr %a155, ptr %a154)
+  %t156 = load %S.gen.Abi, ptr %a155
+  %t157 = load i64, ptr %t152
+  %t158 = add i64 %t157, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t158, i64 ptrtoint (ptr getelementptr (%S.gen.Abi, ptr null, i32 1) to i64))
+  %t159 = load ptr, ptr %t151
+  %t160 = getelementptr inbounds %S.gen.Abi, ptr %t159, i64 %t157
+  store %S.gen.Abi %t156, ptr %t160
+  store i64 %t158, ptr %t152
+  call void @finch.drop.S_gen_Abi(ptr %a80)
+  br label %each.step7219
+each.step7219:
+  %t161 = load i64, ptr %a68
+  %t162 = add i64 %t161, 1
+  store i64 %t162, ptr %a68
+  br label %each.cond7217
+each.end7220:
+  %t163 = load %S.gen.Plan, ptr %a4
+  ret %S.gen.Plan %t163
 }
 
 define internal void @finch.gen.checkByValue(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2, %S.ast.Type %p3, { ptr, i64, i64 } %p4) {
@@ -61353,39 +72390,54 @@ entry:
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -61394,21 +72446,21 @@ entry:
   %t6 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 0
   %t7 = load { ptr, i64, i64 }, ptr %t6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.4467, i64 6, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.4636, i64 6, i64 0 }, ptr %a9
   %t10 = call i32 @finch_str_eq(ptr %a8, ptr %a9)
   %t11 = icmp eq i32 %t10, 0
-  br i1 %t11, label %then6888, label %endif6890
-then6888:
+  br i1 %t11, label %then7256, label %endif7258
+then7256:
   ret void
-endif6890:
+endif7258:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic6891, label %ok6892
-panic6891:
-  call void @finch_panic(ptr @.str.4468, i64 3933, ptr @.str.4469)
+  br i1 %t13, label %panic7259, label %ok7260
+panic7259:
+  call void @finch_panic(ptr @.str.4637, i64 4220, ptr @.str.4638)
   unreachable
-ok6892:
-  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 15
+ok7260:
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %t12, i32 0, i32 16
   %t15 = load ptr, ptr %a1
   %t16 = getelementptr inbounds %S.ast.Type, ptr %a4, i32 0, i32 3
   %t17 = load { ptr, i64, i64 }, ptr %t16
@@ -61418,11 +72470,11 @@ ok6892:
   %t21 = load { ptr, i64, i64 }, ptr %t14
   %t22 = extractvalue { ptr, i64, i64 } %t21, 1
   %t23 = icmp uge i64 %t20, %t22
-  br i1 %t23, label %range6893, label %inrange6894
-range6893:
-  call void @finch_panic_index(ptr @.str.4470, i64 3933, i64 %t20, i64 %t22)
+  br i1 %t23, label %range7261, label %inrange7262
+range7261:
+  call void @finch_panic_index(ptr @.str.4639, i64 4220, i64 %t20, i64 %t22)
   unreachable
-inrange6894:
+inrange7262:
   %t24 = extractvalue { ptr, i64, i64 } %t21, 0
   %t25 = getelementptr inbounds %S.gen.StructDef, ptr %t24, i64 %t20
   %t26 = load %S.gen.StructDef, ptr %t25
@@ -61433,86 +72485,117 @@ inrange6894:
   %t31 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 2
   %t32 = load i1, ptr %t31
   %t33 = xor i1 %t32, true
-  br i1 %t33, label %then6895, label %endif6897
-then6895:
+  br i1 %t33, label %then7263, label %endif7265
+then7263:
   %t34 = load ptr, ptr %a1
   %t35 = load %S.ast.Node, ptr %a2
   %t36 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.4471, i64 16, i64 0 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4640, i64 16, i64 0 }, ptr %a38
   store { ptr, i64, i64 } %t36, ptr %a39
   call void @finch_str_concat(ptr %a37, ptr %a38, ptr %a39)
   %t40 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t40, ptr %a42
-  store { ptr, i64, i64 } { ptr @.str.4472, i64 2, i64 0 }, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.4641, i64 2, i64 0 }, ptr %a43
   call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  %t45 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t44, ptr %a47
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t45, ptr %a48
-  call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
-  %t49 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t49, ptr %a51
-  store { ptr, i64, i64 } { ptr @.str.4473, i64 18, i64 0 }, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  %t54 = load %S.ast.Type, ptr %a4
-  %t55 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t54)
-  store { ptr, i64, i64 } %t53, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.4474, i64 20, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  call void @finch.gen.fail(ptr %t34, %S.ast.Node %t35, { ptr, i64, i64 } %t63)
-  br label %endif6897
-endif6897:
-  %t64 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i32 0, i32 1
-  %t66 = load i64, ptr %t65
-  %t67 = icmp sgt i64 %t66, 0
-  br i1 %t67, label %then6898, label %endif6900
-then6898:
-  %t68 = load ptr, ptr %a1
-  %t69 = load %S.ast.Node, ptr %a2
-  %t70 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.4475, i64 16, i64 0 }, ptr %a72
-  store { ptr, i64, i64 } %t70, ptr %a73
-  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
-  %t74 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t74, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.4476, i64 2, i64 0 }, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  %t79 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t78, ptr %a81
-  store { ptr, i64, i64 } %t79, ptr %a82
-  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
-  %t83 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.4477, i64 12, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = load %S.ast.Type, ptr %a4
-  %t89 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t88)
-  store { ptr, i64, i64 } %t87, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.4478, i64 40, i64 0 }, ptr %a96
-  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  %t98 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
-  %t99 = load { ptr, i64, i64 }, ptr %t98
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  store { ptr, i64, i64 } %t45, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t51, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.4642, i64 18, i64 0 }, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t51, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a52
+  %t57 = load %S.ast.Type, ptr %a4
+  %t58 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t57)
+  store { ptr, i64, i64 } %t56, ptr %a60
+  store { ptr, i64, i64 } %t58, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t56, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  store { ptr, i64, i64 } %t58, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a59
+  store { ptr, i64, i64 } %t64, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4643, i64 20, i64 0 }, ptr %a67
+  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
+  store { ptr, i64, i64 } %t64, ptr %a68
+  call void @finch_str_drop(ptr %a68)
+  %t69 = load { ptr, i64, i64 }, ptr %a65
+  call void @finch.gen.fail(ptr %t34, %S.ast.Node %t35, { ptr, i64, i64 } %t69)
+  store { ptr, i64, i64 } %t69, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  br label %endif7265
+endif7265:
+  %t71 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
+  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i32 0, i32 1
+  %t73 = load i64, ptr %t72
+  %t74 = icmp sgt i64 %t73, 0
+  br i1 %t74, label %then7266, label %endif7268
+then7266:
+  %t75 = load ptr, ptr %a1
+  %t76 = load %S.ast.Node, ptr %a2
+  %t77 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.4644, i64 16, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  %t81 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t81, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.4645, i64 2, i64 0 }, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t81, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a82
+  %t87 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t86, ptr %a89
+  store { ptr, i64, i64 } %t87, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  store { ptr, i64, i64 } %t86, ptr %a91
+  call void @finch_str_drop(ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a88
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4646, i64 12, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  %t98 = load %S.ast.Type, ptr %a4
+  %t99 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t98)
   store { ptr, i64, i64 } %t97, ptr %a101
   store { ptr, i64, i64 } %t99, ptr %a102
   call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
-  %t103 = load { ptr, i64, i64 }, ptr %a100
-  call void @finch.gen.fail(ptr %t68, %S.ast.Node %t69, { ptr, i64, i64 } %t103)
-  br label %endif6900
-endif6900:
+  store { ptr, i64, i64 } %t97, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  store { ptr, i64, i64 } %t99, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.4647, i64 40, i64 0 }, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t105, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  %t111 = getelementptr inbounds %S.gen.StructDef, ptr %a30, i32 0, i32 8
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t110, ptr %a114
+  store { ptr, i64, i64 } %t112, ptr %a115
+  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
+  store { ptr, i64, i64 } %t110, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  %t117 = load { ptr, i64, i64 }, ptr %a113
+  call void @finch.gen.fail(ptr %t75, %S.ast.Node %t76, { ptr, i64, i64 } %t117)
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  br label %endif7268
+endif7268:
+  call void @finch.drop.S_gen_StructDef(ptr %a30)
   ret void
 }
 
@@ -61528,51 +72611,51 @@ entry:
   store %S.ast.Type %p0, ptr %a1
   %t2 = load %S.ast.Type, ptr %a1
   %t3 = call i1 @finch.gen.isNumber(%S.ast.Type %t2)
-  br label %logic.from6901
-logic.from6901:
-  br i1 %t3, label %logic.end6903, label %logic.rhs6902
-logic.rhs6902:
+  br label %logic.from7269
+logic.from7269:
+  br i1 %t3, label %logic.end7271, label %logic.rhs7270
+logic.rhs7270:
   %t4 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t5 = load { ptr, i64, i64 }, ptr %t4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.4479, i64 4, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.4648, i64 4, i64 0 }, ptr %a7
   %t8 = call i32 @finch_str_eq(ptr %a6, ptr %a7)
   %t9 = icmp ne i32 %t8, 0
-  br label %logic.rend6904
-logic.rend6904:
-  br label %logic.end6903
-logic.end6903:
-  %t10 = phi i1 [ true, %logic.from6901 ], [ %t9, %logic.rend6904 ]
-  br label %logic.from6905
-logic.from6905:
-  br i1 %t10, label %logic.end6907, label %logic.rhs6906
-logic.rhs6906:
+  br label %logic.rend7272
+logic.rend7272:
+  br label %logic.end7271
+logic.end7271:
+  %t10 = phi i1 [ true, %logic.from7269 ], [ %t9, %logic.rend7272 ]
+  br label %logic.from7273
+logic.from7273:
+  br i1 %t10, label %logic.end7275, label %logic.rhs7274
+logic.rhs7274:
   %t11 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.4480, i64 4, i64 0 }, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.4649, i64 4, i64 0 }, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br label %logic.rend6908
-logic.rend6908:
-  br label %logic.end6907
-logic.end6907:
-  %t17 = phi i1 [ true, %logic.from6905 ], [ %t16, %logic.rend6908 ]
-  br label %logic.from6909
-logic.from6909:
-  br i1 %t17, label %logic.end6911, label %logic.rhs6910
-logic.rhs6910:
+  br label %logic.rend7276
+logic.rend7276:
+  br label %logic.end7275
+logic.end7275:
+  %t17 = phi i1 [ true, %logic.from7273 ], [ %t16, %logic.rend7276 ]
+  br label %logic.from7277
+logic.from7277:
+  br i1 %t17, label %logic.end7279, label %logic.rhs7278
+logic.rhs7278:
   %t18 = getelementptr inbounds %S.ast.Type, ptr %a1, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.4481, i64 3, i64 0 }, ptr %a21
+  store { ptr, i64, i64 } { ptr @.str.4650, i64 3, i64 0 }, ptr %a21
   %t22 = call i32 @finch_str_eq(ptr %a20, ptr %a21)
   %t23 = icmp ne i32 %t22, 0
-  br label %logic.rend6912
-logic.rend6912:
-  br label %logic.end6911
-logic.end6911:
-  %t24 = phi i1 [ true, %logic.from6909 ], [ %t23, %logic.rend6912 ]
+  br label %logic.rend7280
+logic.rend7280:
+  br label %logic.end7279
+logic.end7279:
+  %t24 = phi i1 [ true, %logic.from7277 ], [ %t23, %logic.rend7280 ]
   ret i1 %t24
 }
 
@@ -61585,27 +72668,35 @@ entry:
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca i64, align 16
-  %a100 = alloca %S.gen.FnSig, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca i64, align 16
+  %a106 = alloca %S.gen.FnSig, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.gen.FnSig %p2, ptr %a3
@@ -61613,71 +72704,71 @@ entry:
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = icmp sgt i64 %t6, 0
-  br i1 %t7, label %then6913, label %endif6915
-then6913:
+  br i1 %t7, label %then7281, label %endif7283
+then7281:
   %t8 = load ptr, ptr %a1
   %t9 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.4482, i64 59, i64 0 })
-  br label %endif6915
-endif6915:
+  call void @finch.gen.fail(ptr %t8, %S.ast.Node %t9, { ptr, i64, i64 } { ptr @.str.4651, i64 59, i64 0 })
+  br label %endif7283
+endif7283:
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 7
   %t11 = load i1, ptr %t10
-  br i1 %t11, label %then6916, label %endif6918
-then6916:
+  br i1 %t11, label %then7284, label %endif7286
+then7284:
   %t12 = load ptr, ptr %a1
   %t13 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t12, %S.ast.Node %t13, { ptr, i64, i64 } { ptr @.str.4483, i64 74, i64 0 })
-  br label %endif6918
-endif6918:
+  call void @finch.gen.fail(ptr %t12, %S.ast.Node %t13, { ptr, i64, i64 } { ptr @.str.4652, i64 74, i64 0 })
+  br label %endif7286
+endif7286:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 3
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp sgt i64 %t16, 0
-  br i1 %t17, label %then6919, label %endif6921
-then6919:
+  br i1 %t17, label %then7287, label %endif7289
+then7287:
   %t18 = load ptr, ptr %a1
   %t19 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t18, %S.ast.Node %t19, { ptr, i64, i64 } { ptr @.str.4484, i64 29, i64 0 })
-  br label %endif6921
-endif6921:
+  call void @finch.gen.fail(ptr %t18, %S.ast.Node %t19, { ptr, i64, i64 } { ptr @.str.4653, i64 29, i64 0 })
+  br label %endif7289
+endif7289:
   %t20 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 13
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
   %t22 = load i64, ptr %t21
   store i64 0, ptr %a23
-  br label %for.cond6922
-for.cond6922:
+  br label %for.cond7290
+for.cond7290:
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, %t22
-  br i1 %t25, label %for.body6923, label %for.end6925
-for.body6923:
+  br i1 %t25, label %for.body7291, label %for.end7293
+for.body7291:
   %t26 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 13
   %t27 = load i64, ptr %a23
   %t28 = load { ptr, i64, i64 }, ptr %t26
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 %t27, %t29
-  br i1 %t30, label %range6926, label %inrange6927
-range6926:
-  call void @finch_panic_index(ptr @.str.4485, i64 3958, i64 %t27, i64 %t29)
+  br i1 %t30, label %range7294, label %inrange7295
+range7294:
+  call void @finch_panic_index(ptr @.str.4654, i64 4245, i64 %t27, i64 %t29)
   unreachable
-inrange6927:
+inrange7295:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds %S.ast.Type, ptr %t31, i64 %t27
   %t33 = load %S.ast.Type, ptr %t32
   %t34 = call i1 @finch.gen.cPlain(%S.ast.Type %t33)
   %t35 = xor i1 %t34, true
-  br i1 %t35, label %then6928, label %endif6930
-then6928:
+  br i1 %t35, label %then7296, label %endif7298
+then7296:
   %t36 = load ptr, ptr %a1
   %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t38 = load i64, ptr %a23
   %t39 = load { ptr, i64, i64 }, ptr %t37
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range6931, label %inrange6932
-range6931:
-  call void @finch_panic_index(ptr @.str.4486, i64 3959, i64 %t38, i64 %t40)
+  br i1 %t41, label %range7299, label %inrange7300
+range7299:
+  call void @finch_panic_index(ptr @.str.4655, i64 4246, i64 %t38, i64 %t40)
   unreachable
-inrange6932:
+inrange7300:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds %S.ast.Node, ptr %t42, i64 %t38
   %t44 = load %S.ast.Node, ptr %t43
@@ -61686,135 +72777,151 @@ inrange6932:
   %t47 = load { ptr, i64, i64 }, ptr %t45
   %t48 = extractvalue { ptr, i64, i64 } %t47, 1
   %t49 = icmp uge i64 %t46, %t48
-  br i1 %t49, label %range6933, label %inrange6934
-range6933:
-  call void @finch_panic_index(ptr @.str.4488, i64 3959, i64 %t46, i64 %t48)
+  br i1 %t49, label %range7301, label %inrange7302
+range7301:
+  call void @finch_panic_index(ptr @.str.4657, i64 4246, i64 %t46, i64 %t48)
   unreachable
-inrange6934:
+inrange7302:
   %t50 = extractvalue { ptr, i64, i64 } %t47, 0
   %t51 = getelementptr inbounds %S.ast.Type, ptr %t50, i64 %t46
   %t52 = load %S.ast.Type, ptr %t51
   %t53 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t52)
-  store { ptr, i64, i64 } { ptr @.str.4487, i64 66, i64 0 }, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.4656, i64 66, i64 0 }, ptr %a55
   store { ptr, i64, i64 } %t53, ptr %a56
   call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
-  %t57 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t57, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.4489, i64 50, i64 0 }, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t44, { ptr, i64, i64 } %t61)
-  br label %endif6930
-endif6930:
-  br label %for.step6924
-for.step6924:
-  %t62 = load i64, ptr %a23
-  %t63 = add i64 %t62, 1
-  store i64 %t63, ptr %a23
-  br label %for.cond6922
-for.end6925:
-  %t64 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
-  %t65 = getelementptr inbounds %S.ast.Type, ptr %t64, i32 0, i32 0
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.4490, i64 4, i64 0 }, ptr %a68
-  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
-  %t70 = icmp eq i32 %t69, 0
-  br label %logic.from6935
-logic.from6935:
-  br i1 %t70, label %logic.rhs6936, label %logic.end6937
-logic.rhs6936:
-  %t71 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
-  %t72 = load %S.ast.Type, ptr %t71
-  %t73 = call i1 @finch.gen.cPlain(%S.ast.Type %t72)
-  %t74 = xor i1 %t73, true
-  br label %logic.rend6938
-logic.rend6938:
-  br label %logic.end6937
-logic.end6937:
-  %t75 = phi i1 [ false, %logic.from6935 ], [ %t74, %logic.rend6938 ]
-  br i1 %t75, label %then6939, label %endif6941
-then6939:
-  %t76 = load ptr, ptr %a1
-  %t77 = load %S.ast.Node, ptr %a2
-  %t78 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
-  %t79 = load %S.ast.Type, ptr %t78
-  %t80 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t79)
-  store { ptr, i64, i64 } { ptr @.str.4491, i64 69, i64 0 }, ptr %a82
-  store { ptr, i64, i64 } %t80, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  store { ptr, i64, i64 } %t84, ptr %a86
-  store { ptr, i64, i64 } { ptr @.str.4492, i64 1, i64 0 }, ptr %a87
-  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
-  %t88 = load { ptr, i64, i64 }, ptr %a85
-  call void @finch.gen.fail(ptr %t76, %S.ast.Node %t77, { ptr, i64, i64 } %t88)
-  br label %endif6941
-endif6941:
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic6942, label %ok6943
-panic6942:
-  call void @finch_panic(ptr @.str.4493, i64 3965, ptr @.str.4494)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  store { ptr, i64, i64 } %t58, ptr %a60
+  store { ptr, i64, i64 } { ptr @.str.4658, i64 50, i64 0 }, ptr %a61
+  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  %t63 = load { ptr, i64, i64 }, ptr %a59
+  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t44, { ptr, i64, i64 } %t63)
+  store { ptr, i64, i64 } %t63, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  br label %endif7298
+endif7298:
+  br label %for.step7292
+for.step7292:
+  %t65 = load i64, ptr %a23
+  %t66 = add i64 %t65, 1
+  store i64 %t66, ptr %a23
+  br label %for.cond7290
+for.end7293:
+  %t67 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
+  %t68 = getelementptr inbounds %S.ast.Type, ptr %t67, i32 0, i32 0
+  %t69 = load { ptr, i64, i64 }, ptr %t68
+  store { ptr, i64, i64 } %t69, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.4659, i64 4, i64 0 }, ptr %a71
+  %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
+  %t73 = icmp eq i32 %t72, 0
+  br label %logic.from7303
+logic.from7303:
+  br i1 %t73, label %logic.rhs7304, label %logic.end7305
+logic.rhs7304:
+  %t74 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
+  %t75 = load %S.ast.Type, ptr %t74
+  %t76 = call i1 @finch.gen.cPlain(%S.ast.Type %t75)
+  %t77 = xor i1 %t76, true
+  br label %logic.rend7306
+logic.rend7306:
+  br label %logic.end7305
+logic.end7305:
+  %t78 = phi i1 [ false, %logic.from7303 ], [ %t77, %logic.rend7306 ]
+  br i1 %t78, label %then7307, label %endif7309
+then7307:
+  %t79 = load ptr, ptr %a1
+  %t80 = load %S.ast.Node, ptr %a2
+  %t81 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 12
+  %t82 = load %S.ast.Type, ptr %t81
+  %t83 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t82)
+  store { ptr, i64, i64 } { ptr @.str.4660, i64 69, i64 0 }, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.4661, i64 1, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.fail(ptr %t79, %S.ast.Node %t80, { ptr, i64, i64 } %t93)
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  br label %endif7309
+endif7309:
+  %t95 = load ptr, ptr %a1
+  %t96 = icmp eq ptr %t95, null
+  br i1 %t96, label %panic7310, label %ok7311
+panic7310:
+  call void @finch_panic(ptr @.str.4662, i64 4252, ptr @.str.4663)
   unreachable
-ok6943:
-  %t91 = getelementptr inbounds %S.gen.Gen, ptr %t89, i32 0, i32 14
-  store i64 0, ptr %a92
-  br label %each.cond6944
-each.cond6944:
-  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
-  %t94 = load i64, ptr %t93
-  %t95 = load i64, ptr %a92
-  %t96 = icmp slt i64 %t95, %t94
-  br i1 %t96, label %each.body6945, label %each.end6947
-each.body6945:
-  %t97 = load ptr, ptr %t91
-  %t98 = getelementptr inbounds %S.gen.FnSig, ptr %t97, i64 %t95
-  %t99 = load %S.gen.FnSig, ptr %t98
-  store %S.gen.FnSig %t99, ptr %a100
-  %t101 = getelementptr inbounds %S.gen.FnSig, ptr %a100, i32 0, i32 5
-  %t102 = load i1, ptr %t101
-  br label %logic.from6948
-logic.from6948:
-  br i1 %t102, label %logic.rhs6949, label %logic.end6950
-logic.rhs6949:
-  %t103 = getelementptr inbounds %S.gen.FnSig, ptr %a100, i32 0, i32 1
-  %t104 = load { ptr, i64, i64 }, ptr %t103
-  %t105 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
-  %t106 = load { ptr, i64, i64 }, ptr %t105
-  store { ptr, i64, i64 } %t104, ptr %a107
-  store { ptr, i64, i64 } %t106, ptr %a108
-  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
-  %t110 = icmp ne i32 %t109, 0
-  br label %logic.rend6951
-logic.rend6951:
-  br label %logic.end6950
-logic.end6950:
-  %t111 = phi i1 [ false, %logic.from6948 ], [ %t110, %logic.rend6951 ]
-  br i1 %t111, label %then6952, label %endif6954
-then6952:
-  %t112 = load ptr, ptr %a1
-  %t113 = load %S.ast.Node, ptr %a2
-  %t114 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
-  %t115 = load { ptr, i64, i64 }, ptr %t114
-  store { ptr, i64, i64 } { ptr @.str.4495, i64 1, i64 0 }, ptr %a117
-  store { ptr, i64, i64 } %t115, ptr %a118
-  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  store { ptr, i64, i64 } %t119, ptr %a121
-  store { ptr, i64, i64 } { ptr @.str.4496, i64 38, i64 0 }, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  call void @finch.gen.fail(ptr %t112, %S.ast.Node %t113, { ptr, i64, i64 } %t123)
-  br label %endif6954
-endif6954:
-  br label %each.step6946
-each.step6946:
-  %t124 = load i64, ptr %a92
-  %t125 = add i64 %t124, 1
-  store i64 %t125, ptr %a92
-  br label %each.cond6944
-each.end6947:
+ok7311:
+  %t97 = getelementptr inbounds %S.gen.Gen, ptr %t95, i32 0, i32 15
+  store i64 0, ptr %a98
+  br label %each.cond7312
+each.cond7312:
+  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %t97, i32 0, i32 1
+  %t100 = load i64, ptr %t99
+  %t101 = load i64, ptr %a98
+  %t102 = icmp slt i64 %t101, %t100
+  br i1 %t102, label %each.body7313, label %each.end7315
+each.body7313:
+  %t103 = load ptr, ptr %t97
+  %t104 = getelementptr inbounds %S.gen.FnSig, ptr %t103, i64 %t101
+  %t105 = load %S.gen.FnSig, ptr %t104
+  store %S.gen.FnSig %t105, ptr %a106
+  %t107 = getelementptr inbounds %S.gen.FnSig, ptr %a106, i32 0, i32 5
+  %t108 = load i1, ptr %t107
+  br label %logic.from7316
+logic.from7316:
+  br i1 %t108, label %logic.rhs7317, label %logic.end7318
+logic.rhs7317:
+  %t109 = getelementptr inbounds %S.gen.FnSig, ptr %a106, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  %t111 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t110, ptr %a113
+  store { ptr, i64, i64 } %t112, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br label %logic.rend7319
+logic.rend7319:
+  br label %logic.end7318
+logic.end7318:
+  %t117 = phi i1 [ false, %logic.from7316 ], [ %t116, %logic.rend7319 ]
+  br i1 %t117, label %then7320, label %endif7322
+then7320:
+  %t118 = load ptr, ptr %a1
+  %t119 = load %S.ast.Node, ptr %a2
+  %t120 = getelementptr inbounds %S.gen.FnSig, ptr %a3, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %t120
+  store { ptr, i64, i64 } { ptr @.str.4664, i64 1, i64 0 }, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t125, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.4665, i64 38, i64 0 }, ptr %a128
+  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
+  store { ptr, i64, i64 } %t125, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a126
+  call void @finch.gen.fail(ptr %t118, %S.ast.Node %t119, { ptr, i64, i64 } %t130)
+  store { ptr, i64, i64 } %t130, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  br label %endif7322
+endif7322:
+  br label %each.step7314
+each.step7314:
+  %t132 = load i64, ptr %a98
+  %t133 = add i64 %t132, 1
+  store i64 %t133, ptr %a98
+  br label %each.cond7312
+each.end7315:
   ret void
 }
 
@@ -61835,110 +72942,154 @@ entry:
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
   %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a265 = alloca { ptr, i64, i64 }, align 16
   %a266 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.gen.FnSig %p1, ptr %a2
   store { ptr, i64, i64 } zeroinitializer, ptr %a3
@@ -61950,22 +73101,22 @@ entry:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   store i64 0, ptr %a11
-  br label %for.cond6955
-for.cond6955:
+  br label %for.cond7323
+for.cond7323:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t10
-  br i1 %t13, label %for.body6956, label %for.end6958
-for.body6956:
+  br i1 %t13, label %for.body7324, label %for.end7326
+for.body7324:
   %t14 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 13
   %t15 = load i64, ptr %a11
   %t16 = load { ptr, i64, i64 }, ptr %t14
   %t17 = extractvalue { ptr, i64, i64 } %t16, 1
   %t18 = icmp uge i64 %t15, %t17
-  br i1 %t18, label %range6959, label %inrange6960
-range6959:
-  call void @finch_panic_index(ptr @.str.4497, i64 3978, i64 %t15, i64 %t17)
+  br i1 %t18, label %range7327, label %inrange7328
+range7327:
+  call void @finch_panic_index(ptr @.str.4666, i64 4265, i64 %t15, i64 %t17)
   unreachable
-inrange6960:
+inrange7328:
   %t19 = extractvalue { ptr, i64, i64 } %t16, 0
   %t20 = getelementptr inbounds %S.ast.Type, ptr %t19, i64 %t15
   %t21 = load %S.ast.Type, ptr %t20
@@ -61976,300 +73127,437 @@ inrange6960:
   %t26 = getelementptr inbounds %S.ast.Type, ptr %a25, i32 0, i32 0
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.4498, i64 4, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.4667, i64 4, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br i1 %t31, label %then6961, label %else6962
-then6961:
+  br i1 %t31, label %then7329, label %else7330
+then7329:
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t33 = load i64, ptr %a11
   call void @finch_str_from_int(ptr %a34, i64 %t33)
   %t35 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.4499, i64 13, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.4668, i64 13, i64 0 }, ptr %a37
   store { ptr, i64, i64 } %t35, ptr %a38
   call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  %t40 = load i64, ptr %t32
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %a3, i64 %t41, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %a3
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i64 %t40
-  store { ptr, i64, i64 } %t39, ptr %t43
-  store i64 %t41, ptr %t32
-  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t45 = load ptr, ptr %a1
-  %t46 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a47, i64 %t46)
-  %t48 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.4501, i64 13, i64 0 }, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
-  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.4502, i64 3, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = call { ptr, i64, i64 } @finch.gen.op(ptr %t45, { ptr, i64, i64 } %t56)
-  store { ptr, i64, i64 } { ptr @.str.4500, i64 3, i64 0 }, ptr %a59
-  store { ptr, i64, i64 } %t57, ptr %a60
-  call void @finch_str_concat(ptr %a58, ptr %a59, ptr %a60)
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load i64, ptr %t44
-  %t63 = add i64 %t62, 1
-  call void @finch_arr_reserve(ptr %a4, i64 %t63, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t64 = load ptr, ptr %a4
-  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t62
-  store { ptr, i64, i64 } %t61, ptr %t65
-  store i64 %t63, ptr %t44
-  br label %endif6963
-else6962:
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t67 = load ptr, ptr %a1
-  %t68 = load %S.ast.Type, ptr %a25
-  %t69 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t67, %S.ast.Type %t68)
-  %t70 = load ptr, ptr %a1
-  %t71 = load %S.ast.Type, ptr %a25
-  %t72 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t70, %S.ast.Type %t71)
-  store { ptr, i64, i64 } %t69, ptr %a74
-  store { ptr, i64, i64 } %t72, ptr %a75
-  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
-  %t76 = load { ptr, i64, i64 }, ptr %a73
-  store { ptr, i64, i64 } %t76, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.4503, i64 3, i64 0 }, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a82, i64 %t81)
-  %t83 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } %t80, ptr %a85
-  store { ptr, i64, i64 } %t83, ptr %a86
+  store { ptr, i64, i64 } %t35, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a36
+  %t41 = load i64, ptr %t32
+  %t42 = add i64 %t41, 1
+  call void @finch_arr_reserve(ptr %a3, i64 %t42, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t43 = load ptr, ptr %a3
+  %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
+  store { ptr, i64, i64 } %t40, ptr %t44
+  store i64 %t42, ptr %t32
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t46 = load ptr, ptr %a1
+  %t47 = load i64, ptr %a11
+  call void @finch_str_from_int(ptr %a48, i64 %t47)
+  %t49 = load { ptr, i64, i64 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.4670, i64 13, i64 0 }, ptr %a51
+  store { ptr, i64, i64 } %t49, ptr %a52
+  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
+  store { ptr, i64, i64 } %t49, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.4671, i64 3, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  %t60 = call { ptr, i64, i64 } @finch.gen.op(ptr %t46, { ptr, i64, i64 } %t59)
+  store { ptr, i64, i64 } %t59, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  store { ptr, i64, i64 } { ptr @.str.4669, i64 3, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } %t60, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = load i64, ptr %t45
+  %t68 = add i64 %t67, 1
+  call void @finch_arr_reserve(ptr %a4, i64 %t68, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t69 = load ptr, ptr %a4
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i64 %t67
+  store { ptr, i64, i64 } %t66, ptr %t70
+  store i64 %t68, ptr %t45
+  br label %endif7331
+else7330:
+  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t72 = load ptr, ptr %a1
+  %t73 = load %S.ast.Type, ptr %a25
+  %t74 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t72, %S.ast.Type %t73)
+  %t75 = load ptr, ptr %a1
+  %t76 = load %S.ast.Type, ptr %a25
+  %t77 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t75, %S.ast.Type %t76)
+  store { ptr, i64, i64 } %t74, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t74, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  store { ptr, i64, i64 } %t77, ptr %a82
+  call void @finch_str_drop(ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.4672, i64 3, i64 0 }, ptr %a86
   call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  %t88 = load i64, ptr %t66
-  %t89 = add i64 %t88, 1
-  call void @finch_arr_reserve(ptr %a3, i64 %t89, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t90 = load ptr, ptr %a3
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i64 %t88
-  store { ptr, i64, i64 } %t87, ptr %t91
-  store i64 %t89, ptr %t66
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t93 = load ptr, ptr %a1
-  %t94 = load %S.ast.Type, ptr %a25
-  %t95 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t93, %S.ast.Type %t94)
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.4504, i64 3, i64 0 }, ptr %a98
-  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = load i64, ptr %a11
-  call void @finch_str_from_int(ptr %a101, i64 %t100)
-  %t102 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t99, ptr %a104
-  store { ptr, i64, i64 } %t102, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  %t107 = load i64, ptr %t92
-  %t108 = add i64 %t107, 1
-  call void @finch_arr_reserve(ptr %a4, i64 %t108, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t109 = load ptr, ptr %a4
-  %t110 = getelementptr inbounds { ptr, i64, i64 }, ptr %t109, i64 %t107
-  store { ptr, i64, i64 } %t106, ptr %t110
-  store i64 %t108, ptr %t92
-  br label %endif6963
-endif6963:
-  br label %for.step6957
-for.step6957:
+  store { ptr, i64, i64 } %t83, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a84
+  %t89 = load i64, ptr %a11
+  call void @finch_str_from_int(ptr %a90, i64 %t89)
+  %t91 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  store { ptr, i64, i64 } %t88, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a92
+  %t98 = load i64, ptr %t71
+  %t99 = add i64 %t98, 1
+  call void @finch_arr_reserve(ptr %a3, i64 %t99, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t100 = load ptr, ptr %a3
+  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i64 %t98
+  store { ptr, i64, i64 } %t97, ptr %t101
+  store i64 %t99, ptr %t71
+  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t103 = load ptr, ptr %a1
+  %t104 = load %S.ast.Type, ptr %a25
+  %t105 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t103, %S.ast.Type %t104)
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.4673, i64 3, i64 0 }, ptr %a108
+  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
+  store { ptr, i64, i64 } %t105, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a106
   %t111 = load i64, ptr %a11
-  %t112 = add i64 %t111, 1
-  store i64 %t112, ptr %a11
-  br label %for.cond6955
-for.end6958:
-  %t113 = load ptr, ptr %a1
-  %t114 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t115 = load %S.ast.Type, ptr %t114
-  %t116 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t113, %S.ast.Type %t115)
-  store { ptr, i64, i64 } { ptr @.str.4505, i64 5, i64 0 }, ptr %a118
-  store { ptr, i64, i64 } %t116, ptr %a119
-  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  store { ptr, i64, i64 } %t120, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.4506, i64 1, i64 0 }, ptr %a123
-  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
-  %t124 = load { ptr, i64, i64 }, ptr %a121
-  %t125 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t124, ptr %a128
-  store { ptr, i64, i64 } %t126, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t130, ptr %a132
-  store { ptr, i64, i64 } { ptr @.str.4507, i64 1, i64 0 }, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4508, i64 2, i64 0 }, ptr %a136
-  call void @finch_str_join(ptr %a137, ptr %a4, ptr %a136)
-  %t138 = load { ptr, i64, i64 }, ptr %a137
-  store { ptr, i64, i64 } %t134, ptr %a140
-  store { ptr, i64, i64 } %t138, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  store { ptr, i64, i64 } %t142, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.4509, i64 1, i64 0 }, ptr %a145
-  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
-  %t146 = load { ptr, i64, i64 }, ptr %a143
-  store { ptr, i64, i64 } %t146, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.4510, i64 4, i64 0 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.4511, i64 0, i64 0 }, ptr %a149
-  %t150 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t151 = getelementptr inbounds %S.ast.Type, ptr %t150, i32 0, i32 0
-  %t152 = load { ptr, i64, i64 }, ptr %t151
-  store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.4512, i64 4, i64 0 }, ptr %a154
-  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
-  %t156 = icmp ne i32 %t155, 0
-  br i1 %t156, label %then6964, label %else6965
-then6964:
-  %t157 = load ptr, ptr %a1
-  %t158 = load { ptr, i64, i64 }, ptr %a147
-  call void @finch.gen.emit(ptr %t157, { ptr, i64, i64 } %t158)
-  %t159 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t159, { ptr, i64, i64 } { ptr @.str.4513, i64 8, i64 0 })
-  br label %endif6966
-else6965:
-  %t160 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t161 = getelementptr inbounds %S.ast.Type, ptr %t160, i32 0, i32 0
-  %t162 = load { ptr, i64, i64 }, ptr %t161
-  store { ptr, i64, i64 } %t162, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.4514, i64 4, i64 0 }, ptr %a164
-  %t165 = call i32 @finch_str_eq(ptr %a163, ptr %a164)
-  %t166 = icmp ne i32 %t165, 0
-  br i1 %t166, label %then6967, label %else6968
-then6967:
-  store { ptr, i64, i64 } { ptr @.str.4515, i64 2, i64 0 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.4516, i64 8, i64 0 }, ptr %a149
-  %t167 = load ptr, ptr %a1
-  %t168 = load ptr, ptr %a1
-  %t169 = load ptr, ptr %a1
-  %t170 = load { ptr, i64, i64 }, ptr %a147
-  %t171 = call { ptr, i64, i64 } @finch.gen.op(ptr %t169, { ptr, i64, i64 } %t170)
-  store { ptr, i64, i64 } { ptr @.str.4518, i64 8, i64 0 }, ptr %a173
-  store { ptr, i64, i64 } %t171, ptr %a174
-  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
-  %t175 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.4519, i64 6, i64 0 }, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = call { ptr, i64, i64 } @finch.gen.op(ptr %t168, { ptr, i64, i64 } %t179)
-  store { ptr, i64, i64 } { ptr @.str.4517, i64 7, i64 0 }, ptr %a182
-  store { ptr, i64, i64 } %t180, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  call void @finch.gen.emit(ptr %t167, { ptr, i64, i64 } %t184)
-  br label %endif6969
-else6968:
-  %t185 = load ptr, ptr %a1
-  %t186 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t187 = load %S.ast.Type, ptr %t186
-  %t188 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t185, %S.ast.Type %t187)
-  store { ptr, i64, i64 } %t188, ptr %a148
-  %t189 = load ptr, ptr %a1
-  %t190 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t191 = load %S.ast.Type, ptr %t190
-  %t192 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t189, %S.ast.Type %t191)
-  store { ptr, i64, i64 } %t192, ptr %a149
+  call void @finch_str_from_int(ptr %a112, i64 %t111)
+  %t113 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a115
+  store { ptr, i64, i64 } %t113, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t110, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  store { ptr, i64, i64 } %t113, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a114
+  %t120 = load i64, ptr %t102
+  %t121 = add i64 %t120, 1
+  call void @finch_arr_reserve(ptr %a4, i64 %t121, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t122 = load ptr, ptr %a4
+  %t123 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 %t120
+  store { ptr, i64, i64 } %t119, ptr %t123
+  store i64 %t121, ptr %t102
+  br label %endif7331
+endif7331:
+  call void @finch.drop.S_ast_Type(ptr %a25)
+  br label %for.step7325
+for.step7325:
+  %t124 = load i64, ptr %a11
+  %t125 = add i64 %t124, 1
+  store i64 %t125, ptr %a11
+  br label %for.cond7323
+for.end7326:
+  %t126 = load ptr, ptr %a1
+  %t127 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t128 = load %S.ast.Type, ptr %t127
+  %t129 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t126, %S.ast.Type %t128)
+  store { ptr, i64, i64 } { ptr @.str.4674, i64 5, i64 0 }, ptr %a131
+  store { ptr, i64, i64 } %t129, ptr %a132
+  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
+  store { ptr, i64, i64 } %t129, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t134, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4675, i64 1, i64 0 }, ptr %a137
+  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
+  store { ptr, i64, i64 } %t134, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  %t139 = load { ptr, i64, i64 }, ptr %a135
+  %t140 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  store { ptr, i64, i64 } %t139, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t139, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.4676, i64 1, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4677, i64 2, i64 0 }, ptr %a153
+  call void @finch_str_join(ptr %a154, ptr %a4, ptr %a153)
+  %t155 = load { ptr, i64, i64 }, ptr %a154
+  store { ptr, i64, i64 } %t151, ptr %a157
+  store { ptr, i64, i64 } %t155, ptr %a158
+  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
+  store { ptr, i64, i64 } %t151, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  store { ptr, i64, i64 } %t155, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a156
+  store { ptr, i64, i64 } %t161, ptr %a163
+  store { ptr, i64, i64 } { ptr @.str.4678, i64 1, i64 0 }, ptr %a164
+  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
+  store { ptr, i64, i64 } %t161, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = load { ptr, i64, i64 }, ptr %a162
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.4679, i64 4, i64 0 }, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4680, i64 0, i64 0 }, ptr %a169
+  %t170 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t171 = getelementptr inbounds %S.ast.Type, ptr %t170, i32 0, i32 0
+  %t172 = load { ptr, i64, i64 }, ptr %t171
+  store { ptr, i64, i64 } %t172, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.4681, i64 4, i64 0 }, ptr %a174
+  %t175 = call i32 @finch_str_eq(ptr %a173, ptr %a174)
+  %t176 = icmp ne i32 %t175, 0
+  br i1 %t176, label %then7332, label %else7333
+then7332:
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a167
+  call void @finch.gen.emit(ptr %t177, { ptr, i64, i64 } %t178)
+  %t179 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t179, { ptr, i64, i64 } { ptr @.str.4682, i64 8, i64 0 })
+  br label %endif7334
+else7333:
+  %t180 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t181 = getelementptr inbounds %S.ast.Type, ptr %t180, i32 0, i32 0
+  %t182 = load { ptr, i64, i64 }, ptr %t181
+  store { ptr, i64, i64 } %t182, ptr %a183
+  store { ptr, i64, i64 } { ptr @.str.4683, i64 4, i64 0 }, ptr %a184
+  %t185 = call i32 @finch_str_eq(ptr %a183, ptr %a184)
+  %t186 = icmp ne i32 %t185, 0
+  br i1 %t186, label %then7335, label %else7336
+then7335:
+  %t187 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4684, i64 2, i64 0 }, ptr %a168
+  store { ptr, i64, i64 } %t187, ptr %a188
+  call void @finch_str_drop(ptr %a188)
+  %t189 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.4685, i64 8, i64 0 }, ptr %a169
+  store { ptr, i64, i64 } %t189, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = load ptr, ptr %a1
+  %t192 = load ptr, ptr %a1
   %t193 = load ptr, ptr %a1
-  %t194 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.4520, i64 4, i64 0 }, ptr %a196
-  store { ptr, i64, i64 } %t194, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t198, ptr %a200
-  store { ptr, i64, i64 } { ptr @.str.4521, i64 1, i64 0 }, ptr %a201
-  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
-  %t202 = load { ptr, i64, i64 }, ptr %a199
-  %t203 = load ptr, ptr %a1
-  %t204 = load { ptr, i64, i64 }, ptr %a147
-  %t205 = call { ptr, i64, i64 } @finch.gen.op(ptr %t203, { ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } %t202, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  call void @finch.gen.emit(ptr %t193, { ptr, i64, i64 } %t209)
-  br label %endif6969
-endif6969:
-  br label %endif6966
-endif6966:
-  store { ptr, i64, i64 } { ptr @.str.4522, i64 0, i64 0 }, ptr %a210
-  %t211 = load ptr, ptr %a1
-  %t212 = icmp eq ptr %t211, null
-  br i1 %t212, label %panic6970, label %ok6971
-panic6970:
-  call void @finch_panic(ptr @.str.4523, i64 4003, ptr @.str.4524)
-  unreachable
-ok6971:
-  %t213 = getelementptr inbounds %S.gen.Gen, ptr %t211, i32 0, i32 29
-  %t214 = getelementptr inbounds %S.platform.Target, ptr %t213, i32 0, i32 1
-  %t215 = load i1, ptr %t214
-  br i1 %t215, label %then6972, label %endif6974
-then6972:
-  store { ptr, i64, i64 } { ptr @.str.4525, i64 10, i64 0 }, ptr %a210
-  br label %endif6974
-endif6974:
-  %t216 = load ptr, ptr %a1
-  %t217 = load %S.gen.Saved, ptr %a7
-  %t218 = load { ptr, i64, i64 }, ptr %a210
-  store { ptr, i64, i64 } { ptr @.str.4526, i64 6, i64 0 }, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  %t223 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t222, ptr %a225
-  store { ptr, i64, i64 } %t223, ptr %a226
-  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t227, ptr %a229
-  store { ptr, i64, i64 } { ptr @.str.4527, i64 1, i64 0 }, ptr %a230
+  %t194 = load { ptr, i64, i64 }, ptr %a167
+  %t195 = call { ptr, i64, i64 } @finch.gen.op(ptr %t193, { ptr, i64, i64 } %t194)
+  store { ptr, i64, i64 } { ptr @.str.4687, i64 8, i64 0 }, ptr %a197
+  store { ptr, i64, i64 } %t195, ptr %a198
+  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
+  store { ptr, i64, i64 } %t195, ptr %a199
+  call void @finch_str_drop(ptr %a199)
+  %t200 = load { ptr, i64, i64 }, ptr %a196
+  store { ptr, i64, i64 } %t200, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.4688, i64 6, i64 0 }, ptr %a203
+  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
+  store { ptr, i64, i64 } %t200, ptr %a204
+  call void @finch_str_drop(ptr %a204)
+  %t205 = load { ptr, i64, i64 }, ptr %a201
+  %t206 = call { ptr, i64, i64 } @finch.gen.op(ptr %t192, { ptr, i64, i64 } %t205)
+  store { ptr, i64, i64 } %t205, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  store { ptr, i64, i64 } { ptr @.str.4686, i64 7, i64 0 }, ptr %a209
+  store { ptr, i64, i64 } %t206, ptr %a210
+  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
+  store { ptr, i64, i64 } %t206, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load { ptr, i64, i64 }, ptr %a208
+  call void @finch.gen.emit(ptr %t191, { ptr, i64, i64 } %t212)
+  store { ptr, i64, i64 } %t212, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %endif7337
+else7336:
+  %t214 = load ptr, ptr %a1
+  %t215 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t216 = load %S.ast.Type, ptr %t215
+  %t217 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t214, %S.ast.Type %t216)
+  %t218 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t217, ptr %a168
+  store { ptr, i64, i64 } %t218, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = load ptr, ptr %a1
+  %t221 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t222 = load %S.ast.Type, ptr %t221
+  %t223 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t220, %S.ast.Type %t222)
+  %t224 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t223, ptr %a169
+  store { ptr, i64, i64 } %t224, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load ptr, ptr %a1
+  %t227 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } { ptr @.str.4689, i64 4, i64 0 }, ptr %a229
+  store { ptr, i64, i64 } %t227, ptr %a230
   call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
   %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } %t231, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  store { ptr, i64, i64 } %t236, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.4528, i64 2, i64 0 }, ptr %a239
-  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
-  %t240 = load { ptr, i64, i64 }, ptr %a237
-  %t241 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
-  %t242 = load { ptr, i64, i64 }, ptr %t241
-  store { ptr, i64, i64 } %t240, ptr %a244
-  store { ptr, i64, i64 } %t242, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  store { ptr, i64, i64 } %t246, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.4529, i64 1, i64 0 }, ptr %a249
-  call void @finch_str_concat(ptr %a247, ptr %a248, ptr %a249)
-  %t250 = load { ptr, i64, i64 }, ptr %a247
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4530, i64 2, i64 0 }, ptr %a252
-  call void @finch_str_join(ptr %a253, ptr %a3, ptr %a252)
-  %t254 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t250, ptr %a256
-  store { ptr, i64, i64 } %t254, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  store { ptr, i64, i64 } %t258, ptr %a260
-  store { ptr, i64, i64 } { ptr @.str.4531, i64 1, i64 0 }, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  call void @finch.gen.endHelper(ptr %t216, %S.gen.Saved %t217, { ptr, i64, i64 } %t262)
-  %t263 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
-  %t264 = load { ptr, i64, i64 }, ptr %t263
-  store { ptr, i64, i64 } %t264, ptr %a265
-  call void @finch_str_copy(ptr %a266, ptr %a265)
-  %t267 = load { ptr, i64, i64 }, ptr %a266
-  ret { ptr, i64, i64 } %t267
+  store { ptr, i64, i64 } %t231, ptr %a233
+  store { ptr, i64, i64 } { ptr @.str.4690, i64 1, i64 0 }, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t231, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a232
+  %t237 = load ptr, ptr %a1
+  %t238 = load { ptr, i64, i64 }, ptr %a167
+  %t239 = call { ptr, i64, i64 } @finch.gen.op(ptr %t237, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t236, ptr %a241
+  store { ptr, i64, i64 } %t239, ptr %a242
+  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
+  store { ptr, i64, i64 } %t236, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  store { ptr, i64, i64 } %t239, ptr %a244
+  call void @finch_str_drop(ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a240
+  call void @finch.gen.emit(ptr %t226, { ptr, i64, i64 } %t245)
+  store { ptr, i64, i64 } %t245, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  br label %endif7337
+endif7337:
+  br label %endif7334
+endif7334:
+  store { ptr, i64, i64 } { ptr @.str.4691, i64 0, i64 0 }, ptr %a247
+  %t248 = load ptr, ptr %a1
+  %t249 = icmp eq ptr %t248, null
+  br i1 %t249, label %panic7338, label %ok7339
+panic7338:
+  call void @finch_panic(ptr @.str.4692, i64 4290, ptr @.str.4693)
+  unreachable
+ok7339:
+  %t250 = getelementptr inbounds %S.gen.Gen, ptr %t248, i32 0, i32 30
+  %t251 = getelementptr inbounds %S.platform.Target, ptr %t250, i32 0, i32 1
+  %t252 = load i1, ptr %t251
+  br i1 %t252, label %then7340, label %endif7342
+then7340:
+  %t253 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.4694, i64 10, i64 0 }, ptr %a247
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_drop(ptr %a254)
+  br label %endif7342
+endif7342:
+  %t255 = load ptr, ptr %a1
+  %t256 = load %S.gen.Saved, ptr %a7
+  %t257 = load { ptr, i64, i64 }, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.4695, i64 6, i64 0 }, ptr %a259
+  store { ptr, i64, i64 } %t257, ptr %a260
+  call void @finch_str_concat(ptr %a258, ptr %a259, ptr %a260)
+  %t261 = load { ptr, i64, i64 }, ptr %a258
+  %t262 = load { ptr, i64, i64 }, ptr %a169
+  store { ptr, i64, i64 } %t261, ptr %a264
+  store { ptr, i64, i64 } %t262, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  store { ptr, i64, i64 } %t261, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  %t267 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t267, ptr %a269
+  store { ptr, i64, i64 } { ptr @.str.4696, i64 1, i64 0 }, ptr %a270
+  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
+  store { ptr, i64, i64 } %t267, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  %t272 = load { ptr, i64, i64 }, ptr %a268
+  %t273 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t272, ptr %a275
+  store { ptr, i64, i64 } %t273, ptr %a276
+  call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
+  store { ptr, i64, i64 } %t272, ptr %a277
+  call void @finch_str_drop(ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a274
+  store { ptr, i64, i64 } %t278, ptr %a280
+  store { ptr, i64, i64 } { ptr @.str.4697, i64 2, i64 0 }, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  %t284 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
+  %t285 = load { ptr, i64, i64 }, ptr %t284
+  store { ptr, i64, i64 } %t283, ptr %a287
+  store { ptr, i64, i64 } %t285, ptr %a288
+  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
+  store { ptr, i64, i64 } %t283, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a286
+  store { ptr, i64, i64 } %t290, ptr %a292
+  store { ptr, i64, i64 } { ptr @.str.4698, i64 1, i64 0 }, ptr %a293
+  call void @finch_str_concat(ptr %a291, ptr %a292, ptr %a293)
+  store { ptr, i64, i64 } %t290, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a291
+  %t296 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4699, i64 2, i64 0 }, ptr %a297
+  call void @finch_str_join(ptr %a298, ptr %a3, ptr %a297)
+  %t299 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t295, ptr %a301
+  store { ptr, i64, i64 } %t299, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  store { ptr, i64, i64 } %t295, ptr %a303
+  call void @finch_str_drop(ptr %a303)
+  store { ptr, i64, i64 } %t299, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load { ptr, i64, i64 }, ptr %a300
+  store { ptr, i64, i64 } %t305, ptr %a307
+  store { ptr, i64, i64 } { ptr @.str.4700, i64 1, i64 0 }, ptr %a308
+  call void @finch_str_concat(ptr %a306, ptr %a307, ptr %a308)
+  store { ptr, i64, i64 } %t305, ptr %a309
+  call void @finch_str_drop(ptr %a309)
+  %t310 = load { ptr, i64, i64 }, ptr %a306
+  call void @finch.gen.endHelper(ptr %t255, %S.gen.Saved %t256, { ptr, i64, i64 } %t310)
+  store { ptr, i64, i64 } %t310, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 1
+  %t313 = load { ptr, i64, i64 }, ptr %t312
+  store { ptr, i64, i64 } %t313, ptr %a314
+  call void @finch_str_copy(ptr %a315, ptr %a314)
+  %t316 = load { ptr, i64, i64 }, ptr %a315
+  call void @finch_str_drop(ptr %a247)
+  call void @finch_str_drop(ptr %a169)
+  call void @finch_str_drop(ptr %a168)
+  call void @finch_str_drop(ptr %a167)
+  call void @finch.drop.S_gen_Saved(ptr %a7)
+  call void @finch.drop.arr_str(ptr %a4)
+  call void @finch.drop.arr_str(ptr %a3)
+  ret { ptr, i64, i64 } %t316
+}
+
+define internal void @finch.drop.arr_S_gen_Abi(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond7465
+n.cond7465:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body7466, label %n.end7467
+n.body7466:
+  %t7 = getelementptr inbounds %S.gen.Abi, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Abi(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond7465
+n.end7467:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Plan(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Plan, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_gen_Abi(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Plan, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_gen_Abi(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Plan, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.gen.cThunk(ptr %p0, i64 %p1, %S.ast.Node %p2) {
@@ -62283,274 +73571,358 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca i64, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca i64, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca i64, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca i64, align 16
-  %a105 = alloca %S.ast.Type, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca i64, align 16
+  %a108 = alloca %S.ast.Type, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
   %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
   %a253 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
-  %a262 = alloca %S.gen.Plan, align 16
-  %a265 = alloca %S.gen.Saved, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca i64, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca %S.gen.Plan, align 16
+  %a276 = alloca %S.gen.Saved, align 16
   %a277 = alloca { ptr, i64, i64 }, align 16
-  %a278 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca i64, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca i64, align 16
-  %a303 = alloca %S.ast.Type, align 16
-  %a304 = alloca %S.ast.Type, align 16
-  %a306 = alloca %S.ast.Type, align 16
-  %a315 = alloca %S.gen.Abi, align 16
-  %a316 = alloca %S.gen.Abi, align 16
-  %a318 = alloca %S.gen.Abi, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca i64, align 16
+  %a318 = alloca %S.ast.Type, align 16
+  %a319 = alloca %S.ast.Type, align 16
+  %a321 = alloca %S.ast.Type, align 16
+  %a330 = alloca %S.gen.Abi, align 16
+  %a331 = alloca %S.gen.Abi, align 16
+  %a333 = alloca %S.gen.Abi, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
   %a345 = alloca { ptr, i64, i64 }, align 16
   %a346 = alloca { ptr, i64, i64 }, align 16
   %a347 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
   %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
   %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
   %a375 = alloca { ptr, i64, i64 }, align 16
   %a376 = alloca { ptr, i64, i64 }, align 16
-  %a377 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a381 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
   %a400 = alloca { ptr, i64, i64 }, align 16
   %a401 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
   %a421 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
   %a429 = alloca { ptr, i64, i64 }, align 16
   %a430 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
   %a441 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca i64, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a459 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
   %a462 = alloca { ptr, i64, i64 }, align 16
   %a463 = alloca { ptr, i64, i64 }, align 16
   %a464 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a487 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a490 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a495 = alloca { ptr, i64, i64 }, align 16
-  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca i64, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
   %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
   %a508 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a521 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a533 = alloca { ptr, i64, i64 }, align 16
+  %a534 = alloca { ptr, i64, i64 }, align 16
+  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a539 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a544 = alloca { ptr, i64, i64 }, align 16
   %a546 = alloca { ptr, i64, i64 }, align 16
   %a547 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
   %a549 = alloca { ptr, i64, i64 }, align 16
   %a550 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
   %a554 = alloca { ptr, i64, i64 }, align 16
-  %a556 = alloca { ptr, i64, i64 }, align 16
-  %a557 = alloca { ptr, i64, i64 }, align 16
-  %a558 = alloca { ptr, i64, i64 }, align 16
-  %a568 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
-  %a570 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a567 = alloca { ptr, i64, i64 }, align 16
   %a575 = alloca { ptr, i64, i64 }, align 16
   %a576 = alloca { ptr, i64, i64 }, align 16
   %a577 = alloca { ptr, i64, i64 }, align 16
-  %a591 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
   %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
   %a595 = alloca { ptr, i64, i64 }, align 16
   %a596 = alloca { ptr, i64, i64 }, align 16
   %a597 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
   %a601 = alloca { ptr, i64, i64 }, align 16
   %a602 = alloca { ptr, i64, i64 }, align 16
-  %a603 = alloca { ptr, i64, i64 }, align 16
   %a605 = alloca { ptr, i64, i64 }, align 16
-  %a606 = alloca { ptr, i64, i64 }, align 16
   %a607 = alloca { ptr, i64, i64 }, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
   %a610 = alloca { ptr, i64, i64 }, align 16
   %a611 = alloca { ptr, i64, i64 }, align 16
-  %a613 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca { ptr, i64, i64 }, align 16
-  %a617 = alloca { ptr, i64, i64 }, align 16
-  %a618 = alloca { ptr, i64, i64 }, align 16
-  %a619 = alloca { ptr, i64, i64 }, align 16
   %a621 = alloca { ptr, i64, i64 }, align 16
   %a622 = alloca { ptr, i64, i64 }, align 16
-  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
   %a627 = alloca { ptr, i64, i64 }, align 16
+  %a629 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
   %a648 = alloca { ptr, i64, i64 }, align 16
   %a649 = alloca { ptr, i64, i64 }, align 16
+  %a650 = alloca { ptr, i64, i64 }, align 16
+  %a652 = alloca { ptr, i64, i64 }, align 16
+  %a653 = alloca { ptr, i64, i64 }, align 16
   %a654 = alloca { ptr, i64, i64 }, align 16
-  %a668 = alloca { ptr, i64, i64 }, align 16
-  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a655 = alloca { ptr, i64, i64 }, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a660 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a662 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a667 = alloca { ptr, i64, i64 }, align 16
   %a670 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
   %a673 = alloca { ptr, i64, i64 }, align 16
   %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
   %a682 = alloca { ptr, i64, i64 }, align 16
-  %a683 = alloca { ptr, i64, i64 }, align 16
   %a684 = alloca { ptr, i64, i64 }, align 16
-  %a695 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a701 = alloca { ptr, i64, i64 }, align 16
-  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
+  %a690 = alloca { ptr, i64, i64 }, align 16
   %a707 = alloca { ptr, i64, i64 }, align 16
   %a708 = alloca { ptr, i64, i64 }, align 16
   %a713 = alloca { ptr, i64, i64 }, align 16
   %a714 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca { ptr, i64, i64 }, align 16
   %a719 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
-  %a724 = alloca { ptr, i64, i64 }, align 16
-  %a725 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
   %a729 = alloca { ptr, i64, i64 }, align 16
-  %a732 = alloca { ptr, i64, i64 }, align 16
-  %a733 = alloca { ptr, i64, i64 }, align 16
-  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
   %a736 = alloca { ptr, i64, i64 }, align 16
   %a737 = alloca { ptr, i64, i64 }, align 16
-  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a739 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   %a741 = alloca { ptr, i64, i64 }, align 16
   %a742 = alloca { ptr, i64, i64 }, align 16
-  %a744 = alloca { ptr, i64, i64 }, align 16
-  %a745 = alloca { ptr, i64, i64 }, align 16
-  %a746 = alloca { ptr, i64, i64 }, align 16
-  %a748 = alloca { ptr, i64, i64 }, align 16
-  %a749 = alloca { ptr, i64, i64 }, align 16
   %a750 = alloca { ptr, i64, i64 }, align 16
+  %a751 = alloca { ptr, i64, i64 }, align 16
+  %a752 = alloca { ptr, i64, i64 }, align 16
   %a753 = alloca { ptr, i64, i64 }, align 16
   %a754 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a762 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a792 = alloca { ptr, i64, i64 }, align 16
+  %a793 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a808 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a810 = alloca { ptr, i64, i64 }, align 16
+  %a813 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
+  %a816 = alloca { ptr, i64, i64 }, align 16
+  %a818 = alloca { ptr, i64, i64 }, align 16
+  %a819 = alloca { ptr, i64, i64 }, align 16
+  %a820 = alloca { ptr, i64, i64 }, align 16
+  %a821 = alloca { ptr, i64, i64 }, align 16
+  %a824 = alloca { ptr, i64, i64 }, align 16
+  %a825 = alloca { ptr, i64, i64 }, align 16
+  %a827 = alloca { ptr, i64, i64 }, align 16
+  %a828 = alloca { ptr, i64, i64 }, align 16
+  %a829 = alloca { ptr, i64, i64 }, align 16
+  %a830 = alloca { ptr, i64, i64 }, align 16
+  %a831 = alloca { ptr, i64, i64 }, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a834 = alloca { ptr, i64, i64 }, align 16
+  %a835 = alloca { ptr, i64, i64 }, align 16
+  %a836 = alloca { ptr, i64, i64 }, align 16
+  %a838 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic6975, label %ok6976
-panic6975:
-  call void @finch_panic(ptr @.str.4532, i64 4012, ptr @.str.4533)
+  br i1 %t5, label %panic7343, label %ok7344
+panic7343:
+  call void @finch_panic(ptr @.str.4701, i64 4299, ptr @.str.4702)
   unreachable
-ok6976:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 14
+ok7344:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 15
   %t7 = load i64, ptr %a2
   %t8 = load { ptr, i64, i64 }, ptr %t6
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range6977, label %inrange6978
-range6977:
-  call void @finch_panic_index(ptr @.str.4534, i64 4012, i64 %t7, i64 %t9)
+  br i1 %t10, label %range7345, label %inrange7346
+range7345:
+  call void @finch_panic_index(ptr @.str.4703, i64 4299, i64 %t7, i64 %t9)
   unreachable
-inrange6978:
+inrange7346:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.FnSig, ptr %t11, i64 %t7
   %t13 = load %S.gen.FnSig, ptr %t12
@@ -62561,1032 +73933,1217 @@ inrange6978:
   %t18 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   %t20 = call { ptr, i64, i64 } @finch.gen.modName({ ptr, i64, i64 } %t19)
-  store { ptr, i64, i64 } { ptr @.str.4535, i64 9, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.4704, i64 9, i64 0 }, ptr %a22
   store { ptr, i64, i64 } %t20, ptr %a23
   call void @finch_str_concat(ptr %a21, ptr %a22, ptr %a23)
-  %t24 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } %t24, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.4536, i64 1, i64 0 }, ptr %a27
-  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  %t29 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t30 = load { ptr, i64, i64 }, ptr %t29
-  store { ptr, i64, i64 } %t28, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a35
-  %t36 = load ptr, ptr %a1
-  %t37 = icmp eq ptr %t36, null
-  br i1 %t37, label %panic6979, label %ok6980
-panic6979:
-  call void @finch_panic(ptr @.str.4537, i64 4014, ptr @.str.4538)
+  store { ptr, i64, i64 } %t20, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t25, ptr %a27
+  store { ptr, i64, i64 } { ptr @.str.4705, i64 1, i64 0 }, ptr %a28
+  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
+  store { ptr, i64, i64 } %t25, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a26
+  %t31 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t32 = load { ptr, i64, i64 }, ptr %t31
+  store { ptr, i64, i64 } %t30, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t30, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a38
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic7347, label %ok7348
+panic7347:
+  call void @finch_panic(ptr @.str.4706, i64 4301, ptr @.str.4707)
   unreachable
-ok6980:
-  %t38 = getelementptr inbounds %S.gen.Gen, ptr %t36, i32 0, i32 38
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i32 0, i32 1
-  %t40 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.4539, i64 2, i64 0 }, ptr %a42
-  store { ptr, i64, i64 } %t40, ptr %a43
-  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store i64 -1, ptr %a45
-  %t46 = load i64, ptr %t39
-  %t47 = load ptr, ptr %t38
-  store i64 0, ptr %a48
-  br label %find.cond6981
-find.cond6981:
-  %t49 = load i64, ptr %a48
-  %t50 = icmp slt i64 %t49, %t46
-  br i1 %t50, label %find.body6982, label %find.end6985
-find.body6982:
-  %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t49
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a53
-  store { ptr, i64, i64 } %t44, ptr %a54
-  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
-  %t56 = icmp ne i32 %t55, 0
-  br i1 %t56, label %find.hit6983, label %find.next6984
-find.hit6983:
-  store i64 %t49, ptr %a45
-  br label %find.end6985
-find.next6984:
-  %t57 = add i64 %t49, 1
-  store i64 %t57, ptr %a48
-  br label %find.cond6981
-find.end6985:
-  %t58 = load i64, ptr %a45
-  %t59 = icmp sge i64 %t58, 0
-  br i1 %t59, label %then6986, label %endif6988
-then6986:
-  %t60 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t60, ptr %a61
-  call void @finch_str_copy(ptr %a62, ptr %a61)
-  %t63 = load { ptr, i64, i64 }, ptr %a62
-  ret { ptr, i64, i64 } %t63
-endif6988:
-  %t64 = load ptr, ptr %a1
-  %t65 = icmp eq ptr %t64, null
-  br i1 %t65, label %panic6989, label %ok6990
-panic6989:
-  call void @finch_panic(ptr @.str.4540, i64 4017, ptr @.str.4541)
+ok7348:
+  %t41 = getelementptr inbounds %S.gen.Gen, ptr %t39, i32 0, i32 39
+  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i32 0, i32 1
+  %t43 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4708, i64 2, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a44
+  store i64 -1, ptr %a48
+  %t49 = load i64, ptr %t42
+  %t50 = load ptr, ptr %t41
+  store i64 0, ptr %a51
+  br label %find.cond7349
+find.cond7349:
+  %t52 = load i64, ptr %a51
+  %t53 = icmp slt i64 %t52, %t49
+  br i1 %t53, label %find.body7350, label %find.end7353
+find.body7350:
+  %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t52
+  %t55 = load { ptr, i64, i64 }, ptr %t54
+  store { ptr, i64, i64 } %t55, ptr %a56
+  store { ptr, i64, i64 } %t47, ptr %a57
+  %t58 = call i32 @finch_str_eq(ptr %a56, ptr %a57)
+  %t59 = icmp ne i32 %t58, 0
+  br i1 %t59, label %find.hit7351, label %find.next7352
+find.hit7351:
+  store i64 %t52, ptr %a48
+  br label %find.end7353
+find.next7352:
+  %t60 = add i64 %t52, 1
+  store i64 %t60, ptr %a51
+  br label %find.cond7349
+find.end7353:
+  store { ptr, i64, i64 } %t47, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load i64, ptr %a48
+  %t63 = icmp sge i64 %t62, 0
+  br i1 %t63, label %then7354, label %endif7356
+then7354:
+  %t64 = load { ptr, i64, i64 }, ptr %a38
+  call void @finch.drop.S_gen_FnSig(ptr %a17)
+  ret { ptr, i64, i64 } %t64
+endif7356:
+  %t65 = load ptr, ptr %a1
+  %t66 = icmp eq ptr %t65, null
+  br i1 %t66, label %panic7357, label %ok7358
+panic7357:
+  call void @finch_panic(ptr @.str.4709, i64 4304, ptr @.str.4710)
   unreachable
-ok6990:
-  %t66 = getelementptr inbounds %S.gen.Gen, ptr %t64, i32 0, i32 38
-  %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t66, i32 0, i32 1
-  %t68 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.4542, i64 2, i64 0 }, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load i64, ptr %t67
-  %t74 = add i64 %t73, 1
-  call void @finch_arr_reserve(ptr %t66, i64 %t74, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t75 = load ptr, ptr %t66
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i64 %t73
-  store { ptr, i64, i64 } %t72, ptr %t76
-  store i64 %t74, ptr %t67
-  %t77 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 2
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i32 0, i32 1
-  %t79 = load i64, ptr %t78
-  %t80 = icmp sgt i64 %t79, 0
-  br label %logic.from6991
-logic.from6991:
-  br i1 %t80, label %logic.end6993, label %logic.rhs6992
-logic.rhs6992:
-  %t81 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 9
-  %t82 = load i1, ptr %t81
-  br label %logic.rend6994
-logic.rend6994:
-  br label %logic.end6993
-logic.end6993:
-  %t83 = phi i1 [ true, %logic.from6991 ], [ %t82, %logic.rend6994 ]
-  br i1 %t83, label %then6995, label %endif6997
-then6995:
-  %t84 = load ptr, ptr %a1
-  %t85 = load %S.ast.Node, ptr %a3
-  %t86 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t87 = load { ptr, i64, i64 }, ptr %t86
-  store { ptr, i64, i64 } { ptr @.str.4543, i64 5, i64 0 }, ptr %a89
-  store { ptr, i64, i64 } %t87, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t91, ptr %a93
-  store { ptr, i64, i64 } { ptr @.str.4544, i64 81, i64 0 }, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  call void @finch.gen.fail(ptr %t84, %S.ast.Node %t85, { ptr, i64, i64 } %t95)
-  br label %endif6997
-endif6997:
-  %t96 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  store i64 0, ptr %a97
-  br label %each.cond6998
-each.cond6998:
-  %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i32 0, i32 1
-  %t99 = load i64, ptr %t98
-  %t100 = load i64, ptr %a97
-  %t101 = icmp slt i64 %t100, %t99
-  br i1 %t101, label %each.body6999, label %each.end7001
-each.body6999:
-  %t102 = load ptr, ptr %t96
-  %t103 = getelementptr inbounds %S.ast.Type, ptr %t102, i64 %t100
-  %t104 = load %S.ast.Type, ptr %t103
-  store %S.ast.Type %t104, ptr %a105
-  %t106 = load %S.ast.Type, ptr %a105
-  %t107 = call i1 @finch.gen.isNumber(%S.ast.Type %t106)
-  br label %logic.from7002
-logic.from7002:
-  br i1 %t107, label %logic.end7004, label %logic.rhs7003
-logic.rhs7003:
-  %t108 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t109 = load { ptr, i64, i64 }, ptr %t108
-  store { ptr, i64, i64 } %t109, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.4545, i64 4, i64 0 }, ptr %a111
-  %t112 = call i32 @finch_str_eq(ptr %a110, ptr %a111)
-  %t113 = icmp ne i32 %t112, 0
-  br label %logic.rend7005
-logic.rend7005:
-  br label %logic.end7004
-logic.end7004:
-  %t114 = phi i1 [ true, %logic.from7002 ], [ %t113, %logic.rend7005 ]
-  br label %logic.from7006
-logic.from7006:
-  br i1 %t114, label %logic.end7008, label %logic.rhs7007
-logic.rhs7007:
-  %t115 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store { ptr, i64, i64 } %t116, ptr %a117
-  store { ptr, i64, i64 } { ptr @.str.4546, i64 4, i64 0 }, ptr %a118
-  %t119 = call i32 @finch_str_eq(ptr %a117, ptr %a118)
-  %t120 = icmp ne i32 %t119, 0
-  br label %logic.rend7009
-logic.rend7009:
-  br label %logic.end7008
-logic.end7008:
-  %t121 = phi i1 [ true, %logic.from7006 ], [ %t120, %logic.rend7009 ]
-  br label %logic.from7010
-logic.from7010:
-  br i1 %t121, label %logic.end7012, label %logic.rhs7011
-logic.rhs7011:
-  %t122 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  store { ptr, i64, i64 } %t123, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.4547, i64 3, i64 0 }, ptr %a125
-  %t126 = call i32 @finch_str_eq(ptr %a124, ptr %a125)
-  %t127 = icmp ne i32 %t126, 0
-  br label %logic.rend7013
-logic.rend7013:
-  br label %logic.end7012
-logic.end7012:
-  %t128 = phi i1 [ true, %logic.from7010 ], [ %t127, %logic.rend7013 ]
-  br label %logic.from7014
-logic.from7014:
-  br i1 %t128, label %logic.end7016, label %logic.rhs7015
-logic.rhs7015:
-  %t129 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 0
-  %t130 = load { ptr, i64, i64 }, ptr %t129
-  store { ptr, i64, i64 } %t130, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4548, i64 6, i64 0 }, ptr %a132
-  %t133 = call i32 @finch_str_eq(ptr %a131, ptr %a132)
-  %t134 = icmp ne i32 %t133, 0
-  br label %logic.from7017
-logic.from7017:
-  br i1 %t134, label %logic.rhs7018, label %logic.end7019
-logic.rhs7018:
-  %t135 = load ptr, ptr %a1
-  %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic7020, label %ok7021
-panic7020:
-  call void @finch_panic(ptr @.str.4549, i64 4022, ptr @.str.4550)
-  unreachable
-ok7021:
-  %t137 = getelementptr inbounds %S.gen.Gen, ptr %t135, i32 0, i32 15
+ok7358:
+  %t67 = getelementptr inbounds %S.gen.Gen, ptr %t65, i32 0, i32 39
+  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
+  %t69 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } { ptr @.str.4711, i64 2, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a70
+  %t74 = load i64, ptr %t68
+  %t75 = add i64 %t74, 1
+  call void @finch_arr_reserve(ptr %t67, i64 %t75, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t76 = load ptr, ptr %t67
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i64 %t74
+  store { ptr, i64, i64 } %t73, ptr %t77
+  store i64 %t75, ptr %t68
+  %t78 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 2
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i32 0, i32 1
+  %t80 = load i64, ptr %t79
+  %t81 = icmp sgt i64 %t80, 0
+  br label %logic.from7359
+logic.from7359:
+  br i1 %t81, label %logic.end7361, label %logic.rhs7360
+logic.rhs7360:
+  %t82 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 9
+  %t83 = load i1, ptr %t82
+  br label %logic.rend7362
+logic.rend7362:
+  br label %logic.end7361
+logic.end7361:
+  %t84 = phi i1 [ true, %logic.from7359 ], [ %t83, %logic.rend7362 ]
+  br i1 %t84, label %then7363, label %endif7365
+then7363:
+  %t85 = load ptr, ptr %a1
+  %t86 = load %S.ast.Node, ptr %a3
+  %t87 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t88 = load { ptr, i64, i64 }, ptr %t87
+  store { ptr, i64, i64 } { ptr @.str.4712, i64 5, i64 0 }, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  %t92 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.4713, i64 81, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t92, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  call void @finch.gen.fail(ptr %t85, %S.ast.Node %t86, { ptr, i64, i64 } %t97)
+  store { ptr, i64, i64 } %t97, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  br label %endif7365
+endif7365:
+  %t99 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  store i64 0, ptr %a100
+  br label %each.cond7366
+each.cond7366:
+  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t99, i32 0, i32 1
+  %t102 = load i64, ptr %t101
+  %t103 = load i64, ptr %a100
+  %t104 = icmp slt i64 %t103, %t102
+  br i1 %t104, label %each.body7367, label %each.end7369
+each.body7367:
+  %t105 = load ptr, ptr %t99
+  %t106 = getelementptr inbounds %S.ast.Type, ptr %t105, i64 %t103
+  %t107 = load %S.ast.Type, ptr %t106
+  store %S.ast.Type %t107, ptr %a108
+  %t109 = load %S.ast.Type, ptr %a108
+  %t110 = call i1 @finch.gen.isNumber(%S.ast.Type %t109)
+  br label %logic.from7370
+logic.from7370:
+  br i1 %t110, label %logic.end7372, label %logic.rhs7371
+logic.rhs7371:
+  %t111 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  store { ptr, i64, i64 } %t112, ptr %a113
+  store { ptr, i64, i64 } { ptr @.str.4714, i64 4, i64 0 }, ptr %a114
+  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
+  %t116 = icmp ne i32 %t115, 0
+  br label %logic.rend7373
+logic.rend7373:
+  br label %logic.end7372
+logic.end7372:
+  %t117 = phi i1 [ true, %logic.from7370 ], [ %t116, %logic.rend7373 ]
+  br label %logic.from7374
+logic.from7374:
+  br i1 %t117, label %logic.end7376, label %logic.rhs7375
+logic.rhs7375:
+  %t118 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t119 = load { ptr, i64, i64 }, ptr %t118
+  store { ptr, i64, i64 } %t119, ptr %a120
+  store { ptr, i64, i64 } { ptr @.str.4715, i64 4, i64 0 }, ptr %a121
+  %t122 = call i32 @finch_str_eq(ptr %a120, ptr %a121)
+  %t123 = icmp ne i32 %t122, 0
+  br label %logic.rend7377
+logic.rend7377:
+  br label %logic.end7376
+logic.end7376:
+  %t124 = phi i1 [ true, %logic.from7374 ], [ %t123, %logic.rend7377 ]
+  br label %logic.from7378
+logic.from7378:
+  br i1 %t124, label %logic.end7380, label %logic.rhs7379
+logic.rhs7379:
+  %t125 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t126 = load { ptr, i64, i64 }, ptr %t125
+  store { ptr, i64, i64 } %t126, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.4716, i64 3, i64 0 }, ptr %a128
+  %t129 = call i32 @finch_str_eq(ptr %a127, ptr %a128)
+  %t130 = icmp ne i32 %t129, 0
+  br label %logic.rend7381
+logic.rend7381:
+  br label %logic.end7380
+logic.end7380:
+  %t131 = phi i1 [ true, %logic.from7378 ], [ %t130, %logic.rend7381 ]
+  br label %logic.from7382
+logic.from7382:
+  br i1 %t131, label %logic.end7384, label %logic.rhs7383
+logic.rhs7383:
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.4717, i64 6, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp ne i32 %t136, 0
+  br label %logic.from7385
+logic.from7385:
+  br i1 %t137, label %logic.rhs7386, label %logic.end7387
+logic.rhs7386:
   %t138 = load ptr, ptr %a1
-  %t139 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 3
-  %t140 = load { ptr, i64, i64 }, ptr %t139
-  %t141 = getelementptr inbounds %S.ast.Type, ptr %a105, i32 0, i32 2
-  %t142 = load { ptr, i64, i64 }, ptr %t141
-  %t143 = call i64 @finch.gen.findStruct(ptr %t138, { ptr, i64, i64 } %t140, { ptr, i64, i64 } %t142)
-  %t144 = load { ptr, i64, i64 }, ptr %t137
-  %t145 = extractvalue { ptr, i64, i64 } %t144, 1
-  %t146 = icmp uge i64 %t143, %t145
-  br i1 %t146, label %range7022, label %inrange7023
-range7022:
-  call void @finch_panic_index(ptr @.str.4551, i64 4022, i64 %t143, i64 %t145)
+  %t139 = icmp eq ptr %t138, null
+  br i1 %t139, label %panic7388, label %ok7389
+panic7388:
+  call void @finch_panic(ptr @.str.4718, i64 4309, ptr @.str.4719)
   unreachable
-inrange7023:
-  %t147 = extractvalue { ptr, i64, i64 } %t144, 0
-  %t148 = getelementptr inbounds %S.gen.StructDef, ptr %t147, i64 %t143
-  %t149 = getelementptr inbounds %S.gen.StructDef, ptr %t148, i32 0, i32 2
-  %t150 = load i1, ptr %t149
-  br label %logic.rend7024
-logic.rend7024:
-  br label %logic.end7019
-logic.end7019:
-  %t151 = phi i1 [ false, %logic.from7017 ], [ %t150, %logic.rend7024 ]
-  br label %logic.rend7025
-logic.rend7025:
-  br label %logic.end7016
-logic.end7016:
-  %t152 = phi i1 [ true, %logic.from7014 ], [ %t151, %logic.rend7025 ]
-  %t153 = xor i1 %t152, true
-  br i1 %t153, label %then7026, label %endif7028
-then7026:
-  %t154 = load ptr, ptr %a1
-  %t155 = load %S.ast.Node, ptr %a3
-  %t156 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  store { ptr, i64, i64 } { ptr @.str.4552, i64 5, i64 0 }, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  store { ptr, i64, i64 } %t161, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.4553, i64 95, i64 0 }, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  %t166 = load %S.ast.Type, ptr %a105
-  %t167 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t166)
-  store { ptr, i64, i64 } %t165, ptr %a169
-  store { ptr, i64, i64 } %t167, ptr %a170
-  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
-  %t171 = load { ptr, i64, i64 }, ptr %a168
-  call void @finch.gen.fail(ptr %t154, %S.ast.Node %t155, { ptr, i64, i64 } %t171)
-  br label %endif7028
-endif7028:
-  br label %each.step7000
-each.step7000:
-  %t172 = load i64, ptr %a97
-  %t173 = add i64 %t172, 1
-  store i64 %t173, ptr %a97
-  br label %each.cond6998
-each.end7001:
-  %t174 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t175 = load %S.ast.Type, ptr %t174
-  %t176 = call i1 @finch.gen.isNumber(%S.ast.Type %t175)
-  br label %logic.from7029
-logic.from7029:
-  br i1 %t176, label %logic.end7031, label %logic.rhs7030
-logic.rhs7030:
-  %t177 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t178 = getelementptr inbounds %S.ast.Type, ptr %t177, i32 0, i32 0
-  %t179 = load { ptr, i64, i64 }, ptr %t178
-  store { ptr, i64, i64 } %t179, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.4554, i64 4, i64 0 }, ptr %a181
-  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
-  %t183 = icmp ne i32 %t182, 0
-  br label %logic.rend7032
-logic.rend7032:
-  br label %logic.end7031
-logic.end7031:
-  %t184 = phi i1 [ true, %logic.from7029 ], [ %t183, %logic.rend7032 ]
-  br label %logic.from7033
-logic.from7033:
-  br i1 %t184, label %logic.end7035, label %logic.rhs7034
-logic.rhs7034:
-  %t185 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t186 = getelementptr inbounds %S.ast.Type, ptr %t185, i32 0, i32 0
-  %t187 = load { ptr, i64, i64 }, ptr %t186
-  store { ptr, i64, i64 } %t187, ptr %a188
-  store { ptr, i64, i64 } { ptr @.str.4555, i64 4, i64 0 }, ptr %a189
-  %t190 = call i32 @finch_str_eq(ptr %a188, ptr %a189)
-  %t191 = icmp ne i32 %t190, 0
-  br label %logic.rend7036
-logic.rend7036:
-  br label %logic.end7035
-logic.end7035:
-  %t192 = phi i1 [ true, %logic.from7033 ], [ %t191, %logic.rend7036 ]
-  br label %logic.from7037
-logic.from7037:
-  br i1 %t192, label %logic.end7039, label %logic.rhs7038
-logic.rhs7038:
-  %t193 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t194 = getelementptr inbounds %S.ast.Type, ptr %t193, i32 0, i32 0
-  %t195 = load { ptr, i64, i64 }, ptr %t194
-  store { ptr, i64, i64 } %t195, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.4556, i64 3, i64 0 }, ptr %a197
-  %t198 = call i32 @finch_str_eq(ptr %a196, ptr %a197)
-  %t199 = icmp ne i32 %t198, 0
-  br label %logic.rend7040
-logic.rend7040:
-  br label %logic.end7039
-logic.end7039:
-  %t200 = phi i1 [ true, %logic.from7037 ], [ %t199, %logic.rend7040 ]
-  br label %logic.from7041
-logic.from7041:
-  br i1 %t200, label %logic.end7043, label %logic.rhs7042
-logic.rhs7042:
-  %t201 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t202 = getelementptr inbounds %S.ast.Type, ptr %t201, i32 0, i32 0
-  %t203 = load { ptr, i64, i64 }, ptr %t202
-  store { ptr, i64, i64 } %t203, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.4557, i64 4, i64 0 }, ptr %a205
-  %t206 = call i32 @finch_str_eq(ptr %a204, ptr %a205)
-  %t207 = icmp ne i32 %t206, 0
-  br label %logic.rend7044
-logic.rend7044:
-  br label %logic.end7043
-logic.end7043:
-  %t208 = phi i1 [ true, %logic.from7041 ], [ %t207, %logic.rend7044 ]
-  br label %logic.from7045
-logic.from7045:
-  br i1 %t208, label %logic.end7047, label %logic.rhs7046
-logic.rhs7046:
-  %t209 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t210 = getelementptr inbounds %S.ast.Type, ptr %t209, i32 0, i32 0
-  %t211 = load { ptr, i64, i64 }, ptr %t210
-  store { ptr, i64, i64 } %t211, ptr %a212
-  store { ptr, i64, i64 } { ptr @.str.4558, i64 6, i64 0 }, ptr %a213
-  %t214 = call i32 @finch_str_eq(ptr %a212, ptr %a213)
-  %t215 = icmp ne i32 %t214, 0
-  br label %logic.from7048
-logic.from7048:
-  br i1 %t215, label %logic.rhs7049, label %logic.end7050
-logic.rhs7049:
-  %t216 = load ptr, ptr %a1
-  %t217 = icmp eq ptr %t216, null
-  br i1 %t217, label %panic7051, label %ok7052
-panic7051:
-  call void @finch_panic(ptr @.str.4559, i64 4026, ptr @.str.4560)
+ok7389:
+  %t140 = getelementptr inbounds %S.gen.Gen, ptr %t138, i32 0, i32 16
+  %t141 = load ptr, ptr %a1
+  %t142 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 3
+  %t143 = load { ptr, i64, i64 }, ptr %t142
+  %t144 = getelementptr inbounds %S.ast.Type, ptr %a108, i32 0, i32 2
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  %t146 = call i64 @finch.gen.findStruct(ptr %t141, { ptr, i64, i64 } %t143, { ptr, i64, i64 } %t145)
+  %t147 = load { ptr, i64, i64 }, ptr %t140
+  %t148 = extractvalue { ptr, i64, i64 } %t147, 1
+  %t149 = icmp uge i64 %t146, %t148
+  br i1 %t149, label %range7390, label %inrange7391
+range7390:
+  call void @finch_panic_index(ptr @.str.4720, i64 4309, i64 %t146, i64 %t148)
   unreachable
-ok7052:
-  %t218 = getelementptr inbounds %S.gen.Gen, ptr %t216, i32 0, i32 15
-  %t219 = load ptr, ptr %a1
-  %t220 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t221 = getelementptr inbounds %S.ast.Type, ptr %t220, i32 0, i32 3
-  %t222 = load { ptr, i64, i64 }, ptr %t221
-  %t223 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t224 = getelementptr inbounds %S.ast.Type, ptr %t223, i32 0, i32 2
-  %t225 = load { ptr, i64, i64 }, ptr %t224
-  %t226 = call i64 @finch.gen.findStruct(ptr %t219, { ptr, i64, i64 } %t222, { ptr, i64, i64 } %t225)
-  %t227 = load { ptr, i64, i64 }, ptr %t218
-  %t228 = extractvalue { ptr, i64, i64 } %t227, 1
-  %t229 = icmp uge i64 %t226, %t228
-  br i1 %t229, label %range7053, label %inrange7054
-range7053:
-  call void @finch_panic_index(ptr @.str.4561, i64 4026, i64 %t226, i64 %t228)
+inrange7391:
+  %t150 = extractvalue { ptr, i64, i64 } %t147, 0
+  %t151 = getelementptr inbounds %S.gen.StructDef, ptr %t150, i64 %t146
+  %t152 = getelementptr inbounds %S.gen.StructDef, ptr %t151, i32 0, i32 2
+  %t153 = load i1, ptr %t152
+  br label %logic.rend7392
+logic.rend7392:
+  br label %logic.end7387
+logic.end7387:
+  %t154 = phi i1 [ false, %logic.from7385 ], [ %t153, %logic.rend7392 ]
+  br label %logic.rend7393
+logic.rend7393:
+  br label %logic.end7384
+logic.end7384:
+  %t155 = phi i1 [ true, %logic.from7382 ], [ %t154, %logic.rend7393 ]
+  %t156 = xor i1 %t155, true
+  br i1 %t156, label %then7394, label %endif7396
+then7394:
+  %t157 = load ptr, ptr %a1
+  %t158 = load %S.ast.Node, ptr %a3
+  %t159 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t160 = load { ptr, i64, i64 }, ptr %t159
+  store { ptr, i64, i64 } { ptr @.str.4721, i64 5, i64 0 }, ptr %a162
+  store { ptr, i64, i64 } %t160, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a161
+  store { ptr, i64, i64 } %t164, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.4722, i64 95, i64 0 }, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  store { ptr, i64, i64 } %t164, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a165
+  %t170 = load %S.ast.Type, ptr %a108
+  %t171 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t170)
+  store { ptr, i64, i64 } %t169, ptr %a173
+  store { ptr, i64, i64 } %t171, ptr %a174
+  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
+  store { ptr, i64, i64 } %t169, ptr %a175
+  call void @finch_str_drop(ptr %a175)
+  store { ptr, i64, i64 } %t171, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  %t177 = load { ptr, i64, i64 }, ptr %a172
+  call void @finch.gen.fail(ptr %t157, %S.ast.Node %t158, { ptr, i64, i64 } %t177)
+  store { ptr, i64, i64 } %t177, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  br label %endif7396
+endif7396:
+  br label %each.step7368
+each.step7368:
+  %t179 = load i64, ptr %a100
+  %t180 = add i64 %t179, 1
+  store i64 %t180, ptr %a100
+  br label %each.cond7366
+each.end7369:
+  %t181 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t182 = load %S.ast.Type, ptr %t181
+  %t183 = call i1 @finch.gen.isNumber(%S.ast.Type %t182)
+  br label %logic.from7397
+logic.from7397:
+  br i1 %t183, label %logic.end7399, label %logic.rhs7398
+logic.rhs7398:
+  %t184 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t185 = getelementptr inbounds %S.ast.Type, ptr %t184, i32 0, i32 0
+  %t186 = load { ptr, i64, i64 }, ptr %t185
+  store { ptr, i64, i64 } %t186, ptr %a187
+  store { ptr, i64, i64 } { ptr @.str.4723, i64 4, i64 0 }, ptr %a188
+  %t189 = call i32 @finch_str_eq(ptr %a187, ptr %a188)
+  %t190 = icmp ne i32 %t189, 0
+  br label %logic.rend7400
+logic.rend7400:
+  br label %logic.end7399
+logic.end7399:
+  %t191 = phi i1 [ true, %logic.from7397 ], [ %t190, %logic.rend7400 ]
+  br label %logic.from7401
+logic.from7401:
+  br i1 %t191, label %logic.end7403, label %logic.rhs7402
+logic.rhs7402:
+  %t192 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t193 = getelementptr inbounds %S.ast.Type, ptr %t192, i32 0, i32 0
+  %t194 = load { ptr, i64, i64 }, ptr %t193
+  store { ptr, i64, i64 } %t194, ptr %a195
+  store { ptr, i64, i64 } { ptr @.str.4724, i64 4, i64 0 }, ptr %a196
+  %t197 = call i32 @finch_str_eq(ptr %a195, ptr %a196)
+  %t198 = icmp ne i32 %t197, 0
+  br label %logic.rend7404
+logic.rend7404:
+  br label %logic.end7403
+logic.end7403:
+  %t199 = phi i1 [ true, %logic.from7401 ], [ %t198, %logic.rend7404 ]
+  br label %logic.from7405
+logic.from7405:
+  br i1 %t199, label %logic.end7407, label %logic.rhs7406
+logic.rhs7406:
+  %t200 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t201 = getelementptr inbounds %S.ast.Type, ptr %t200, i32 0, i32 0
+  %t202 = load { ptr, i64, i64 }, ptr %t201
+  store { ptr, i64, i64 } %t202, ptr %a203
+  store { ptr, i64, i64 } { ptr @.str.4725, i64 3, i64 0 }, ptr %a204
+  %t205 = call i32 @finch_str_eq(ptr %a203, ptr %a204)
+  %t206 = icmp ne i32 %t205, 0
+  br label %logic.rend7408
+logic.rend7408:
+  br label %logic.end7407
+logic.end7407:
+  %t207 = phi i1 [ true, %logic.from7405 ], [ %t206, %logic.rend7408 ]
+  br label %logic.from7409
+logic.from7409:
+  br i1 %t207, label %logic.end7411, label %logic.rhs7410
+logic.rhs7410:
+  %t208 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t209 = getelementptr inbounds %S.ast.Type, ptr %t208, i32 0, i32 0
+  %t210 = load { ptr, i64, i64 }, ptr %t209
+  store { ptr, i64, i64 } %t210, ptr %a211
+  store { ptr, i64, i64 } { ptr @.str.4726, i64 4, i64 0 }, ptr %a212
+  %t213 = call i32 @finch_str_eq(ptr %a211, ptr %a212)
+  %t214 = icmp ne i32 %t213, 0
+  br label %logic.rend7412
+logic.rend7412:
+  br label %logic.end7411
+logic.end7411:
+  %t215 = phi i1 [ true, %logic.from7409 ], [ %t214, %logic.rend7412 ]
+  br label %logic.from7413
+logic.from7413:
+  br i1 %t215, label %logic.end7415, label %logic.rhs7414
+logic.rhs7414:
+  %t216 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t217 = getelementptr inbounds %S.ast.Type, ptr %t216, i32 0, i32 0
+  %t218 = load { ptr, i64, i64 }, ptr %t217
+  store { ptr, i64, i64 } %t218, ptr %a219
+  store { ptr, i64, i64 } { ptr @.str.4727, i64 6, i64 0 }, ptr %a220
+  %t221 = call i32 @finch_str_eq(ptr %a219, ptr %a220)
+  %t222 = icmp ne i32 %t221, 0
+  br label %logic.from7416
+logic.from7416:
+  br i1 %t222, label %logic.rhs7417, label %logic.end7418
+logic.rhs7417:
+  %t223 = load ptr, ptr %a1
+  %t224 = icmp eq ptr %t223, null
+  br i1 %t224, label %panic7419, label %ok7420
+panic7419:
+  call void @finch_panic(ptr @.str.4728, i64 4313, ptr @.str.4729)
   unreachable
-inrange7054:
-  %t230 = extractvalue { ptr, i64, i64 } %t227, 0
-  %t231 = getelementptr inbounds %S.gen.StructDef, ptr %t230, i64 %t226
-  %t232 = getelementptr inbounds %S.gen.StructDef, ptr %t231, i32 0, i32 2
-  %t233 = load i1, ptr %t232
-  br label %logic.rend7055
-logic.rend7055:
-  br label %logic.end7050
-logic.end7050:
-  %t234 = phi i1 [ false, %logic.from7048 ], [ %t233, %logic.rend7055 ]
-  br label %logic.rend7056
-logic.rend7056:
-  br label %logic.end7047
-logic.end7047:
-  %t235 = phi i1 [ true, %logic.from7045 ], [ %t234, %logic.rend7056 ]
-  %t236 = xor i1 %t235, true
-  br i1 %t236, label %then7057, label %endif7059
-then7057:
-  %t237 = load ptr, ptr %a1
-  %t238 = load %S.ast.Node, ptr %a3
-  %t239 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
-  %t240 = load { ptr, i64, i64 }, ptr %t239
-  store { ptr, i64, i64 } { ptr @.str.4562, i64 5, i64 0 }, ptr %a242
-  store { ptr, i64, i64 } %t240, ptr %a243
-  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
-  %t244 = load { ptr, i64, i64 }, ptr %a241
-  store { ptr, i64, i64 } %t244, ptr %a246
-  store { ptr, i64, i64 } { ptr @.str.4563, i64 38, i64 0 }, ptr %a247
-  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
-  %t248 = load { ptr, i64, i64 }, ptr %a245
-  %t249 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t250 = load %S.ast.Type, ptr %t249
-  %t251 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t250)
-  store { ptr, i64, i64 } %t248, ptr %a253
-  store { ptr, i64, i64 } %t251, ptr %a254
+ok7420:
+  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 16
+  %t226 = load ptr, ptr %a1
+  %t227 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t228 = getelementptr inbounds %S.ast.Type, ptr %t227, i32 0, i32 3
+  %t229 = load { ptr, i64, i64 }, ptr %t228
+  %t230 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t231 = getelementptr inbounds %S.ast.Type, ptr %t230, i32 0, i32 2
+  %t232 = load { ptr, i64, i64 }, ptr %t231
+  %t233 = call i64 @finch.gen.findStruct(ptr %t226, { ptr, i64, i64 } %t229, { ptr, i64, i64 } %t232)
+  %t234 = load { ptr, i64, i64 }, ptr %t225
+  %t235 = extractvalue { ptr, i64, i64 } %t234, 1
+  %t236 = icmp uge i64 %t233, %t235
+  br i1 %t236, label %range7421, label %inrange7422
+range7421:
+  call void @finch_panic_index(ptr @.str.4730, i64 4313, i64 %t233, i64 %t235)
+  unreachable
+inrange7422:
+  %t237 = extractvalue { ptr, i64, i64 } %t234, 0
+  %t238 = getelementptr inbounds %S.gen.StructDef, ptr %t237, i64 %t233
+  %t239 = getelementptr inbounds %S.gen.StructDef, ptr %t238, i32 0, i32 2
+  %t240 = load i1, ptr %t239
+  br label %logic.rend7423
+logic.rend7423:
+  br label %logic.end7418
+logic.end7418:
+  %t241 = phi i1 [ false, %logic.from7416 ], [ %t240, %logic.rend7423 ]
+  br label %logic.rend7424
+logic.rend7424:
+  br label %logic.end7415
+logic.end7415:
+  %t242 = phi i1 [ true, %logic.from7413 ], [ %t241, %logic.rend7424 ]
+  %t243 = xor i1 %t242, true
+  br i1 %t243, label %then7425, label %endif7427
+then7425:
+  %t244 = load ptr, ptr %a1
+  %t245 = load %S.ast.Node, ptr %a3
+  %t246 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 1
+  %t247 = load { ptr, i64, i64 }, ptr %t246
+  store { ptr, i64, i64 } { ptr @.str.4731, i64 5, i64 0 }, ptr %a249
+  store { ptr, i64, i64 } %t247, ptr %a250
+  call void @finch_str_concat(ptr %a248, ptr %a249, ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a248
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.4732, i64 38, i64 0 }, ptr %a254
   call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
-  %t255 = load { ptr, i64, i64 }, ptr %a252
-  call void @finch.gen.fail(ptr %t237, %S.ast.Node %t238, { ptr, i64, i64 } %t255)
-  br label %endif7059
-endif7059:
-  %t256 = load ptr, ptr %a1
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
   %t257 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
   %t258 = load %S.ast.Type, ptr %t257
-  %t259 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  %t260 = load { ptr, i64, i64 }, ptr %t259
-  %t261 = call %S.gen.Plan @finch.gen.makePlan(ptr %t256, %S.ast.Type %t258, { ptr, i64, i64 } %t260)
-  store %S.gen.Plan %t261, ptr %a262
-  %t263 = load ptr, ptr %a1
-  %t264 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t263)
-  store %S.gen.Saved %t264, ptr %a265
-  store { ptr, i64, i64 } zeroinitializer, ptr %a266
-  store i64 0, ptr %a267
-  store { ptr, i64, i64 } { ptr @.str.4564, i64 0, i64 0 }, ptr %a268
-  %t269 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 3
-  %t270 = load i1, ptr %t269
-  br i1 %t270, label %then7060, label %endif7062
-then7060:
-  %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t272 = load ptr, ptr %a1
-  %t273 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t274 = load %S.ast.Type, ptr %t273
-  %t275 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t272, %S.ast.Type %t274)
-  store { ptr, i64, i64 } { ptr @.str.4565, i64 9, i64 0 }, ptr %a277
-  store { ptr, i64, i64 } %t275, ptr %a278
-  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
-  %t279 = load { ptr, i64, i64 }, ptr %a276
-  store { ptr, i64, i64 } %t279, ptr %a281
-  store { ptr, i64, i64 } { ptr @.str.4566, i64 14, i64 0 }, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  %t284 = load i64, ptr %t271
-  %t285 = add i64 %t284, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t285, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t286 = load ptr, ptr %a266
-  %t287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t286, i64 %t284
-  store { ptr, i64, i64 } %t283, ptr %t287
-  store i64 %t285, ptr %t271
-  store { ptr, i64, i64 } { ptr @.str.4567, i64 3, i64 0 }, ptr %a268
-  store i64 1, ptr %a267
-  br label %endif7062
-endif7062:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a288
-  %t289 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i32 0, i32 1
-  %t291 = load i64, ptr %t290
-  store i64 0, ptr %a292
-  br label %for.cond7063
-for.cond7063:
-  %t293 = load i64, ptr %a292
-  %t294 = icmp slt i64 %t293, %t291
-  br i1 %t294, label %for.body7064, label %for.end7066
-for.body7064:
-  %t295 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
-  %t296 = load i64, ptr %a292
-  %t297 = load { ptr, i64, i64 }, ptr %t295
-  %t298 = extractvalue { ptr, i64, i64 } %t297, 1
-  %t299 = icmp uge i64 %t296, %t298
-  br i1 %t299, label %range7067, label %inrange7068
-range7067:
-  call void @finch_panic_index(ptr @.str.4568, i64 4041, i64 %t296, i64 %t298)
+  %t259 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t258)
+  store { ptr, i64, i64 } %t256, ptr %a261
+  store { ptr, i64, i64 } %t259, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  store { ptr, i64, i64 } %t256, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  store { ptr, i64, i64 } %t259, ptr %a264
+  call void @finch_str_drop(ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a260
+  call void @finch.gen.fail(ptr %t244, %S.ast.Node %t245, { ptr, i64, i64 } %t265)
+  store { ptr, i64, i64 } %t265, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  br label %endif7427
+endif7427:
+  %t267 = load ptr, ptr %a1
+  %t268 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t269 = load %S.ast.Type, ptr %t268
+  %t270 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  %t271 = load { ptr, i64, i64 }, ptr %t270
+  %t272 = call %S.gen.Plan @finch.gen.makePlan(ptr %t267, %S.ast.Type %t269, { ptr, i64, i64 } %t271)
+  store %S.gen.Plan %t272, ptr %a273
+  %t274 = load ptr, ptr %a1
+  %t275 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t274)
+  store %S.gen.Saved %t275, ptr %a276
+  store { ptr, i64, i64 } zeroinitializer, ptr %a277
+  store i64 0, ptr %a278
+  store { ptr, i64, i64 } { ptr @.str.4733, i64 0, i64 0 }, ptr %a279
+  %t280 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 3
+  %t281 = load i1, ptr %t280
+  br i1 %t281, label %then7428, label %endif7430
+then7428:
+  %t282 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t283 = load ptr, ptr %a1
+  %t284 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t285 = load %S.ast.Type, ptr %t284
+  %t286 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t283, %S.ast.Type %t285)
+  store { ptr, i64, i64 } { ptr @.str.4734, i64 9, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  store { ptr, i64, i64 } %t286, ptr %a290
+  call void @finch_str_drop(ptr %a290)
+  %t291 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t291, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.4735, i64 14, i64 0 }, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  store { ptr, i64, i64 } %t291, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = load { ptr, i64, i64 }, ptr %a292
+  %t297 = load i64, ptr %t282
+  %t298 = add i64 %t297, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t298, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t299 = load ptr, ptr %a277
+  %t300 = getelementptr inbounds { ptr, i64, i64 }, ptr %t299, i64 %t297
+  store { ptr, i64, i64 } %t296, ptr %t300
+  store i64 %t298, ptr %t282
+  %t301 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.4736, i64 3, i64 0 }, ptr %a279
+  store { ptr, i64, i64 } %t301, ptr %a302
+  call void @finch_str_drop(ptr %a302)
+  store i64 1, ptr %a278
+  br label %endif7430
+endif7430:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a303
+  %t304 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %t304, i32 0, i32 1
+  %t306 = load i64, ptr %t305
+  store i64 0, ptr %a307
+  br label %for.cond7431
+for.cond7431:
+  %t308 = load i64, ptr %a307
+  %t309 = icmp slt i64 %t308, %t306
+  br i1 %t309, label %for.body7432, label %for.end7434
+for.body7432:
+  %t310 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 13
+  %t311 = load i64, ptr %a307
+  %t312 = load { ptr, i64, i64 }, ptr %t310
+  %t313 = extractvalue { ptr, i64, i64 } %t312, 1
+  %t314 = icmp uge i64 %t311, %t313
+  br i1 %t314, label %range7435, label %inrange7436
+range7435:
+  call void @finch_panic_index(ptr @.str.4737, i64 4328, i64 %t311, i64 %t313)
   unreachable
-inrange7068:
-  %t300 = extractvalue { ptr, i64, i64 } %t297, 0
-  %t301 = getelementptr inbounds %S.ast.Type, ptr %t300, i64 %t296
-  %t302 = load %S.ast.Type, ptr %t301
-  store %S.ast.Type %t302, ptr %a303
-  call void @finch.copy.S_ast_Type(ptr %a304, ptr %a303)
-  %t305 = load %S.ast.Type, ptr %a304
-  store %S.ast.Type %t305, ptr %a306
-  %t307 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 1
-  %t308 = load i64, ptr %a292
-  %t309 = load { ptr, i64, i64 }, ptr %t307
-  %t310 = extractvalue { ptr, i64, i64 } %t309, 1
-  %t311 = icmp uge i64 %t308, %t310
-  br i1 %t311, label %range7069, label %inrange7070
-range7069:
-  call void @finch_panic_index(ptr @.str.4569, i64 4042, i64 %t308, i64 %t310)
+inrange7436:
+  %t315 = extractvalue { ptr, i64, i64 } %t312, 0
+  %t316 = getelementptr inbounds %S.ast.Type, ptr %t315, i64 %t311
+  %t317 = load %S.ast.Type, ptr %t316
+  store %S.ast.Type %t317, ptr %a318
+  call void @finch.copy.S_ast_Type(ptr %a319, ptr %a318)
+  %t320 = load %S.ast.Type, ptr %a319
+  store %S.ast.Type %t320, ptr %a321
+  %t322 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 1
+  %t323 = load i64, ptr %a307
+  %t324 = load { ptr, i64, i64 }, ptr %t322
+  %t325 = extractvalue { ptr, i64, i64 } %t324, 1
+  %t326 = icmp uge i64 %t323, %t325
+  br i1 %t326, label %range7437, label %inrange7438
+range7437:
+  call void @finch_panic_index(ptr @.str.4738, i64 4329, i64 %t323, i64 %t325)
   unreachable
-inrange7070:
-  %t312 = extractvalue { ptr, i64, i64 } %t309, 0
-  %t313 = getelementptr inbounds %S.gen.Abi, ptr %t312, i64 %t308
-  %t314 = load %S.gen.Abi, ptr %t313
-  store %S.gen.Abi %t314, ptr %a315
-  call void @finch.copy.S_gen_Abi(ptr %a316, ptr %a315)
-  %t317 = load %S.gen.Abi, ptr %a316
-  store %S.gen.Abi %t317, ptr %a318
-  %t319 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 0
-  %t320 = load { ptr, i64, i64 }, ptr %t319
-  store { ptr, i64, i64 } %t320, ptr %a321
-  store { ptr, i64, i64 } { ptr @.str.4570, i64 6, i64 0 }, ptr %a322
-  %t323 = call i32 @finch_str_eq(ptr %a321, ptr %a322)
-  %t324 = icmp ne i32 %t323, 0
-  br i1 %t324, label %then7071, label %else7072
-then7071:
-  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t326 = load ptr, ptr %a1
-  %t327 = load %S.ast.Type, ptr %a306
-  %t328 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t326, %S.ast.Type %t327)
-  store { ptr, i64, i64 } { ptr @.str.4571, i64 10, i64 0 }, ptr %a330
-  store { ptr, i64, i64 } %t328, ptr %a331
-  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
-  %t332 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t332, ptr %a334
-  store { ptr, i64, i64 } { ptr @.str.4572, i64 8, i64 0 }, ptr %a335
-  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
-  %t336 = load { ptr, i64, i64 }, ptr %a333
-  %t337 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 3
-  %t338 = load i64, ptr %t337
-  call void @finch_str_from_int(ptr %a339, i64 %t338)
-  %t340 = load { ptr, i64, i64 }, ptr %a339
-  store { ptr, i64, i64 } %t336, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a346
-  store { ptr, i64, i64 } { ptr @.str.4573, i64 3, i64 0 }, ptr %a347
-  call void @finch_str_concat(ptr %a345, ptr %a346, ptr %a347)
-  %t348 = load { ptr, i64, i64 }, ptr %a345
-  %t349 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a350, i64 %t349)
-  %t351 = load { ptr, i64, i64 }, ptr %a350
-  store { ptr, i64, i64 } %t348, ptr %a353
-  store { ptr, i64, i64 } %t351, ptr %a354
-  call void @finch_str_concat(ptr %a352, ptr %a353, ptr %a354)
-  %t355 = load { ptr, i64, i64 }, ptr %a352
-  %t356 = load i64, ptr %t325
-  %t357 = add i64 %t356, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t357, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t358 = load ptr, ptr %a266
-  %t359 = getelementptr inbounds { ptr, i64, i64 }, ptr %t358, i64 %t356
-  store { ptr, i64, i64 } %t355, ptr %t359
-  store i64 %t357, ptr %t325
-  %t360 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t361 = load ptr, ptr %a1
-  %t362 = load %S.ast.Type, ptr %a306
-  %t363 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t361, %S.ast.Type %t362)
+inrange7438:
+  %t327 = extractvalue { ptr, i64, i64 } %t324, 0
+  %t328 = getelementptr inbounds %S.gen.Abi, ptr %t327, i64 %t323
+  %t329 = load %S.gen.Abi, ptr %t328
+  store %S.gen.Abi %t329, ptr %a330
+  call void @finch.copy.S_gen_Abi(ptr %a331, ptr %a330)
+  %t332 = load %S.gen.Abi, ptr %a331
+  store %S.gen.Abi %t332, ptr %a333
+  %t334 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 0
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t335, ptr %a336
+  store { ptr, i64, i64 } { ptr @.str.4739, i64 6, i64 0 }, ptr %a337
+  %t338 = call i32 @finch_str_eq(ptr %a336, ptr %a337)
+  %t339 = icmp ne i32 %t338, 0
+  br i1 %t339, label %then7439, label %else7440
+then7439:
+  %t340 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t341 = load ptr, ptr %a1
+  %t342 = load %S.ast.Type, ptr %a321
+  %t343 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t341, %S.ast.Type %t342)
+  store { ptr, i64, i64 } { ptr @.str.4740, i64 10, i64 0 }, ptr %a345
+  store { ptr, i64, i64 } %t343, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t343, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a344
+  store { ptr, i64, i64 } %t348, ptr %a350
+  store { ptr, i64, i64 } { ptr @.str.4741, i64 8, i64 0 }, ptr %a351
+  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
+  store { ptr, i64, i64 } %t348, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a349
+  %t354 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 3
+  %t355 = load i64, ptr %t354
+  call void @finch_str_from_int(ptr %a356, i64 %t355)
+  %t357 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } %t353, ptr %a359
+  store { ptr, i64, i64 } %t357, ptr %a360
+  call void @finch_str_concat(ptr %a358, ptr %a359, ptr %a360)
+  store { ptr, i64, i64 } %t353, ptr %a361
+  call void @finch_str_drop(ptr %a361)
+  store { ptr, i64, i64 } %t357, ptr %a362
+  call void @finch_str_drop(ptr %a362)
+  %t363 = load { ptr, i64, i64 }, ptr %a358
   store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.4574, i64 1, i64 0 }, ptr %a366
+  store { ptr, i64, i64 } { ptr @.str.4742, i64 3, i64 0 }, ptr %a366
   call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  %t368 = load ptr, ptr %a1
-  %t369 = load ptr, ptr %a1
-  %t370 = load %S.ast.Type, ptr %a306
-  %t371 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t369, %S.ast.Type %t370)
-  %t372 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a373, i64 %t372)
-  %t374 = load { ptr, i64, i64 }, ptr %a373
-  store { ptr, i64, i64 } { ptr @.str.4575, i64 2, i64 0 }, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
-  call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  %t379 = call { ptr, i64, i64 } @finch.gen.load(ptr %t368, { ptr, i64, i64 } %t371, { ptr, i64, i64 } %t378)
-  store { ptr, i64, i64 } %t367, ptr %a381
-  store { ptr, i64, i64 } %t379, ptr %a382
-  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
-  %t383 = load { ptr, i64, i64 }, ptr %a380
-  %t384 = load i64, ptr %t360
-  %t385 = add i64 %t384, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t385, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t386 = load ptr, ptr %a288
-  %t387 = getelementptr inbounds { ptr, i64, i64 }, ptr %t386, i64 %t384
-  store { ptr, i64, i64 } %t383, ptr %t387
-  store i64 %t385, ptr %t360
-  %t388 = load i64, ptr %a267
-  %t389 = add i64 %t388, 1
-  store i64 %t389, ptr %a267
-  br label %endif7073
-else7072:
-  %t390 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 0
-  %t391 = load { ptr, i64, i64 }, ptr %t390
-  store { ptr, i64, i64 } %t391, ptr %a392
-  store { ptr, i64, i64 } { ptr @.str.4576, i64 8, i64 0 }, ptr %a393
-  %t394 = call i32 @finch_str_eq(ptr %a392, ptr %a393)
-  %t395 = icmp ne i32 %t394, 0
-  br i1 %t395, label %then7074, label %else7075
-then7074:
-  %t396 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t397 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a398, i64 %t397)
-  %t399 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } { ptr @.str.4577, i64 6, i64 0 }, ptr %a401
-  store { ptr, i64, i64 } %t399, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  %t404 = load i64, ptr %t396
-  %t405 = add i64 %t404, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t405, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t406 = load ptr, ptr %a266
-  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i64 %t404
-  store { ptr, i64, i64 } %t403, ptr %t407
-  store i64 %t405, ptr %t396
-  %t408 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t409 = load ptr, ptr %a1
-  %t410 = load %S.ast.Type, ptr %a306
-  %t411 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t409, %S.ast.Type %t410)
-  store { ptr, i64, i64 } %t411, ptr %a413
-  store { ptr, i64, i64 } { ptr @.str.4578, i64 1, i64 0 }, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  %t416 = load ptr, ptr %a1
-  %t417 = load ptr, ptr %a1
-  %t418 = load %S.ast.Type, ptr %a306
-  %t419 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t417, %S.ast.Type %t418)
-  %t420 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a421, i64 %t420)
-  %t422 = load { ptr, i64, i64 }, ptr %a421
-  store { ptr, i64, i64 } { ptr @.str.4579, i64 2, i64 0 }, ptr %a424
-  store { ptr, i64, i64 } %t422, ptr %a425
-  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
-  %t426 = load { ptr, i64, i64 }, ptr %a423
-  %t427 = call { ptr, i64, i64 } @finch.gen.load(ptr %t416, { ptr, i64, i64 } %t419, { ptr, i64, i64 } %t426)
-  store { ptr, i64, i64 } %t415, ptr %a429
+  store { ptr, i64, i64 } %t363, ptr %a367
+  call void @finch_str_drop(ptr %a367)
+  %t368 = load { ptr, i64, i64 }, ptr %a364
+  %t369 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a370, i64 %t369)
+  %t371 = load { ptr, i64, i64 }, ptr %a370
+  store { ptr, i64, i64 } %t368, ptr %a373
+  store { ptr, i64, i64 } %t371, ptr %a374
+  call void @finch_str_concat(ptr %a372, ptr %a373, ptr %a374)
+  store { ptr, i64, i64 } %t368, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  store { ptr, i64, i64 } %t371, ptr %a376
+  call void @finch_str_drop(ptr %a376)
+  %t377 = load { ptr, i64, i64 }, ptr %a372
+  %t378 = load i64, ptr %t340
+  %t379 = add i64 %t378, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t379, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t380 = load ptr, ptr %a277
+  %t381 = getelementptr inbounds { ptr, i64, i64 }, ptr %t380, i64 %t378
+  store { ptr, i64, i64 } %t377, ptr %t381
+  store i64 %t379, ptr %t340
+  %t382 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t383 = load ptr, ptr %a1
+  %t384 = load %S.ast.Type, ptr %a321
+  %t385 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t383, %S.ast.Type %t384)
+  store { ptr, i64, i64 } %t385, ptr %a387
+  store { ptr, i64, i64 } { ptr @.str.4743, i64 1, i64 0 }, ptr %a388
+  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
+  store { ptr, i64, i64 } %t385, ptr %a389
+  call void @finch_str_drop(ptr %a389)
+  %t390 = load { ptr, i64, i64 }, ptr %a386
+  %t391 = load ptr, ptr %a1
+  %t392 = load ptr, ptr %a1
+  %t393 = load %S.ast.Type, ptr %a321
+  %t394 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t392, %S.ast.Type %t393)
+  %t395 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a396, i64 %t395)
+  %t397 = load { ptr, i64, i64 }, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.4744, i64 2, i64 0 }, ptr %a399
+  store { ptr, i64, i64 } %t397, ptr %a400
+  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
+  store { ptr, i64, i64 } %t397, ptr %a401
+  call void @finch_str_drop(ptr %a401)
+  %t402 = load { ptr, i64, i64 }, ptr %a398
+  %t403 = call { ptr, i64, i64 } @finch.gen.load(ptr %t391, { ptr, i64, i64 } %t394, { ptr, i64, i64 } %t402)
+  store { ptr, i64, i64 } %t394, ptr %a404
+  call void @finch_str_drop(ptr %a404)
+  store { ptr, i64, i64 } %t402, ptr %a405
+  call void @finch_str_drop(ptr %a405)
+  store { ptr, i64, i64 } %t390, ptr %a407
+  store { ptr, i64, i64 } %t403, ptr %a408
+  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
+  store { ptr, i64, i64 } %t390, ptr %a409
+  call void @finch_str_drop(ptr %a409)
+  store { ptr, i64, i64 } %t403, ptr %a410
+  call void @finch_str_drop(ptr %a410)
+  %t411 = load { ptr, i64, i64 }, ptr %a406
+  %t412 = load i64, ptr %t382
+  %t413 = add i64 %t412, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t413, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t414 = load ptr, ptr %a303
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %t414, i64 %t412
+  store { ptr, i64, i64 } %t411, ptr %t415
+  store i64 %t413, ptr %t382
+  %t416 = load i64, ptr %a278
+  %t417 = add i64 %t416, 1
+  store i64 %t417, ptr %a278
+  br label %endif7441
+else7440:
+  %t418 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 0
+  %t419 = load { ptr, i64, i64 }, ptr %t418
+  store { ptr, i64, i64 } %t419, ptr %a420
+  store { ptr, i64, i64 } { ptr @.str.4745, i64 8, i64 0 }, ptr %a421
+  %t422 = call i32 @finch_str_eq(ptr %a420, ptr %a421)
+  %t423 = icmp ne i32 %t422, 0
+  br i1 %t423, label %then7442, label %else7443
+then7442:
+  %t424 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t425 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a426, i64 %t425)
+  %t427 = load { ptr, i64, i64 }, ptr %a426
+  store { ptr, i64, i64 } { ptr @.str.4746, i64 6, i64 0 }, ptr %a429
   store { ptr, i64, i64 } %t427, ptr %a430
   call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load i64, ptr %t408
-  %t433 = add i64 %t432, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t433, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t434 = load ptr, ptr %a288
-  %t435 = getelementptr inbounds { ptr, i64, i64 }, ptr %t434, i64 %t432
-  store { ptr, i64, i64 } %t431, ptr %t435
-  store i64 %t433, ptr %t408
-  %t436 = load i64, ptr %a267
-  %t437 = add i64 %t436, 1
-  store i64 %t437, ptr %a267
-  br label %endif7076
-else7075:
-  %t438 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 0
-  %t439 = load { ptr, i64, i64 }, ptr %t438
-  store { ptr, i64, i64 } %t439, ptr %a440
-  store { ptr, i64, i64 } { ptr @.str.4580, i64 6, i64 0 }, ptr %a441
-  %t442 = call i32 @finch_str_eq(ptr %a440, ptr %a441)
-  %t443 = icmp ne i32 %t442, 0
-  br i1 %t443, label %then7077, label %else7078
-then7077:
-  %t444 = load ptr, ptr %a1
-  %t445 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t444, { ptr, i64, i64 } { ptr @.str.4581, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t445, ptr %a446
-  %t447 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 1
-  %t448 = getelementptr inbounds { ptr, i64, i64 }, ptr %t447, i32 0, i32 1
-  %t449 = load i64, ptr %t448
-  store i64 0, ptr %a450
-  br label %for.cond7080
-for.cond7080:
-  %t451 = load i64, ptr %a450
-  %t452 = icmp slt i64 %t451, %t449
-  br i1 %t452, label %for.body7081, label %for.end7083
-for.body7081:
-  %t453 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t454 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 1
-  %t455 = load i64, ptr %a450
-  %t456 = load { ptr, i64, i64 }, ptr %t454
-  %t457 = extractvalue { ptr, i64, i64 } %t456, 1
-  %t458 = icmp uge i64 %t455, %t457
-  br i1 %t458, label %range7084, label %inrange7085
-range7084:
-  call void @finch_panic_index(ptr @.str.4582, i64 4054, i64 %t455, i64 %t457)
+  store { ptr, i64, i64 } %t427, ptr %a431
+  call void @finch_str_drop(ptr %a431)
+  %t432 = load { ptr, i64, i64 }, ptr %a428
+  %t433 = load i64, ptr %t424
+  %t434 = add i64 %t433, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t434, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t435 = load ptr, ptr %a277
+  %t436 = getelementptr inbounds { ptr, i64, i64 }, ptr %t435, i64 %t433
+  store { ptr, i64, i64 } %t432, ptr %t436
+  store i64 %t434, ptr %t424
+  %t437 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t438 = load ptr, ptr %a1
+  %t439 = load %S.ast.Type, ptr %a321
+  %t440 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t438, %S.ast.Type %t439)
+  store { ptr, i64, i64 } %t440, ptr %a442
+  store { ptr, i64, i64 } { ptr @.str.4747, i64 1, i64 0 }, ptr %a443
+  call void @finch_str_concat(ptr %a441, ptr %a442, ptr %a443)
+  store { ptr, i64, i64 } %t440, ptr %a444
+  call void @finch_str_drop(ptr %a444)
+  %t445 = load { ptr, i64, i64 }, ptr %a441
+  %t446 = load ptr, ptr %a1
+  %t447 = load ptr, ptr %a1
+  %t448 = load %S.ast.Type, ptr %a321
+  %t449 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t447, %S.ast.Type %t448)
+  %t450 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a451, i64 %t450)
+  %t452 = load { ptr, i64, i64 }, ptr %a451
+  store { ptr, i64, i64 } { ptr @.str.4748, i64 2, i64 0 }, ptr %a454
+  store { ptr, i64, i64 } %t452, ptr %a455
+  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
+  store { ptr, i64, i64 } %t452, ptr %a456
+  call void @finch_str_drop(ptr %a456)
+  %t457 = load { ptr, i64, i64 }, ptr %a453
+  %t458 = call { ptr, i64, i64 } @finch.gen.load(ptr %t446, { ptr, i64, i64 } %t449, { ptr, i64, i64 } %t457)
+  store { ptr, i64, i64 } %t449, ptr %a459
+  call void @finch_str_drop(ptr %a459)
+  store { ptr, i64, i64 } %t457, ptr %a460
+  call void @finch_str_drop(ptr %a460)
+  store { ptr, i64, i64 } %t445, ptr %a462
+  store { ptr, i64, i64 } %t458, ptr %a463
+  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
+  store { ptr, i64, i64 } %t445, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  store { ptr, i64, i64 } %t458, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  %t466 = load { ptr, i64, i64 }, ptr %a461
+  %t467 = load i64, ptr %t437
+  %t468 = add i64 %t467, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t468, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t469 = load ptr, ptr %a303
+  %t470 = getelementptr inbounds { ptr, i64, i64 }, ptr %t469, i64 %t467
+  store { ptr, i64, i64 } %t466, ptr %t470
+  store i64 %t468, ptr %t437
+  %t471 = load i64, ptr %a278
+  %t472 = add i64 %t471, 1
+  store i64 %t472, ptr %a278
+  br label %endif7444
+else7443:
+  %t473 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 0
+  %t474 = load { ptr, i64, i64 }, ptr %t473
+  store { ptr, i64, i64 } %t474, ptr %a475
+  store { ptr, i64, i64 } { ptr @.str.4749, i64 6, i64 0 }, ptr %a476
+  %t477 = call i32 @finch_str_eq(ptr %a475, ptr %a476)
+  %t478 = icmp ne i32 %t477, 0
+  br i1 %t478, label %then7445, label %else7446
+then7445:
+  %t479 = load ptr, ptr %a1
+  %t480 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t479, { ptr, i64, i64 } { ptr @.str.4750, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t480, ptr %a481
+  %t482 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 1
+  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i32 0, i32 1
+  %t484 = load i64, ptr %t483
+  store i64 0, ptr %a485
+  br label %for.cond7448
+for.cond7448:
+  %t486 = load i64, ptr %a485
+  %t487 = icmp slt i64 %t486, %t484
+  br i1 %t487, label %for.body7449, label %for.end7451
+for.body7449:
+  %t488 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  %t489 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 1
+  %t490 = load i64, ptr %a485
+  %t491 = load { ptr, i64, i64 }, ptr %t489
+  %t492 = extractvalue { ptr, i64, i64 } %t491, 1
+  %t493 = icmp uge i64 %t490, %t492
+  br i1 %t493, label %range7452, label %inrange7453
+range7452:
+  call void @finch_panic_index(ptr @.str.4751, i64 4341, i64 %t490, i64 %t492)
   unreachable
-inrange7085:
-  %t459 = extractvalue { ptr, i64, i64 } %t456, 0
-  %t460 = getelementptr inbounds { ptr, i64, i64 }, ptr %t459, i64 %t455
-  %t461 = load { ptr, i64, i64 }, ptr %t460
-  store { ptr, i64, i64 } %t461, ptr %a463
-  store { ptr, i64, i64 } { ptr @.str.4583, i64 3, i64 0 }, ptr %a464
-  call void @finch_str_concat(ptr %a462, ptr %a463, ptr %a464)
-  %t465 = load { ptr, i64, i64 }, ptr %a462
-  %t466 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a467, i64 %t466)
-  %t468 = load { ptr, i64, i64 }, ptr %a467
-  store { ptr, i64, i64 } %t465, ptr %a470
-  store { ptr, i64, i64 } %t468, ptr %a471
-  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
-  %t472 = load { ptr, i64, i64 }, ptr %a469
-  %t473 = load i64, ptr %t453
-  %t474 = add i64 %t473, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t474, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t475 = load ptr, ptr %a266
-  %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 %t473
-  store { ptr, i64, i64 } %t472, ptr %t476
-  store i64 %t474, ptr %t453
-  %t477 = load ptr, ptr %a1
-  %t478 = getelementptr inbounds %S.gen.Abi, ptr %a318, i32 0, i32 1
-  %t479 = load i64, ptr %a450
-  %t480 = load { ptr, i64, i64 }, ptr %t478
-  %t481 = extractvalue { ptr, i64, i64 } %t480, 1
-  %t482 = icmp uge i64 %t479, %t481
-  br i1 %t482, label %range7086, label %inrange7087
-range7086:
-  call void @finch_panic_index(ptr @.str.4584, i64 4055, i64 %t479, i64 %t481)
+inrange7453:
+  %t494 = extractvalue { ptr, i64, i64 } %t491, 0
+  %t495 = getelementptr inbounds { ptr, i64, i64 }, ptr %t494, i64 %t490
+  %t496 = load { ptr, i64, i64 }, ptr %t495
+  store { ptr, i64, i64 } %t496, ptr %a498
+  store { ptr, i64, i64 } { ptr @.str.4752, i64 3, i64 0 }, ptr %a499
+  call void @finch_str_concat(ptr %a497, ptr %a498, ptr %a499)
+  %t500 = load { ptr, i64, i64 }, ptr %a497
+  %t501 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a502, i64 %t501)
+  %t503 = load { ptr, i64, i64 }, ptr %a502
+  store { ptr, i64, i64 } %t500, ptr %a505
+  store { ptr, i64, i64 } %t503, ptr %a506
+  call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
+  store { ptr, i64, i64 } %t500, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  store { ptr, i64, i64 } %t503, ptr %a508
+  call void @finch_str_drop(ptr %a508)
+  %t509 = load { ptr, i64, i64 }, ptr %a504
+  %t510 = load i64, ptr %t488
+  %t511 = add i64 %t510, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t511, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t512 = load ptr, ptr %a277
+  %t513 = getelementptr inbounds { ptr, i64, i64 }, ptr %t512, i64 %t510
+  store { ptr, i64, i64 } %t509, ptr %t513
+  store i64 %t511, ptr %t488
+  %t514 = load ptr, ptr %a1
+  %t515 = getelementptr inbounds %S.gen.Abi, ptr %a333, i32 0, i32 1
+  %t516 = load i64, ptr %a485
+  %t517 = load { ptr, i64, i64 }, ptr %t515
+  %t518 = extractvalue { ptr, i64, i64 } %t517, 1
+  %t519 = icmp uge i64 %t516, %t518
+  br i1 %t519, label %range7454, label %inrange7455
+range7454:
+  call void @finch_panic_index(ptr @.str.4753, i64 4342, i64 %t516, i64 %t518)
   unreachable
-inrange7087:
-  %t483 = extractvalue { ptr, i64, i64 } %t480, 0
-  %t484 = getelementptr inbounds { ptr, i64, i64 }, ptr %t483, i64 %t479
-  %t485 = load { ptr, i64, i64 }, ptr %t484
-  %t486 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a487, i64 %t486)
-  %t488 = load { ptr, i64, i64 }, ptr %a487
-  store { ptr, i64, i64 } { ptr @.str.4585, i64 2, i64 0 }, ptr %a490
-  store { ptr, i64, i64 } %t488, ptr %a491
-  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
-  %t492 = load { ptr, i64, i64 }, ptr %a489
-  %t493 = load ptr, ptr %a1
-  %t494 = load { ptr, i64, i64 }, ptr %a446
-  store { ptr, i64, i64 } { ptr @.str.4586, i64 31, i64 0 }, ptr %a496
-  store { ptr, i64, i64 } %t494, ptr %a497
-  call void @finch_str_concat(ptr %a495, ptr %a496, ptr %a497)
-  %t498 = load { ptr, i64, i64 }, ptr %a495
-  store { ptr, i64, i64 } %t498, ptr %a500
-  store { ptr, i64, i64 } { ptr @.str.4587, i64 6, i64 0 }, ptr %a501
-  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
-  %t502 = load { ptr, i64, i64 }, ptr %a499
-  %t503 = load i64, ptr %a450
-  %t504 = mul i64 8, %t503
-  call void @finch_str_from_int(ptr %a505, i64 %t504)
-  %t506 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t502, ptr %a508
-  store { ptr, i64, i64 } %t506, ptr %a509
-  call void @finch_str_concat(ptr %a507, ptr %a508, ptr %a509)
-  %t510 = load { ptr, i64, i64 }, ptr %a507
-  %t511 = call { ptr, i64, i64 } @finch.gen.op(ptr %t493, { ptr, i64, i64 } %t510)
-  call void @finch.gen.store(ptr %t477, { ptr, i64, i64 } %t485, { ptr, i64, i64 } %t492, { ptr, i64, i64 } %t511)
-  %t512 = load i64, ptr %a267
-  %t513 = add i64 %t512, 1
-  store i64 %t513, ptr %a267
-  br label %for.step7082
-for.step7082:
-  %t514 = load i64, ptr %a450
-  %t515 = add i64 %t514, 1
-  store i64 %t515, ptr %a450
-  br label %for.cond7080
-for.end7083:
-  %t516 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t517 = load ptr, ptr %a1
-  %t518 = load %S.ast.Type, ptr %a306
-  %t519 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t517, %S.ast.Type %t518)
-  store { ptr, i64, i64 } %t519, ptr %a521
-  store { ptr, i64, i64 } { ptr @.str.4588, i64 1, i64 0 }, ptr %a522
-  call void @finch_str_concat(ptr %a520, ptr %a521, ptr %a522)
-  %t523 = load { ptr, i64, i64 }, ptr %a520
-  %t524 = load ptr, ptr %a1
-  %t525 = load ptr, ptr %a1
-  %t526 = load %S.ast.Type, ptr %a306
-  %t527 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t525, %S.ast.Type %t526)
-  %t528 = load { ptr, i64, i64 }, ptr %a446
-  %t529 = call { ptr, i64, i64 } @finch.gen.load(ptr %t524, { ptr, i64, i64 } %t527, { ptr, i64, i64 } %t528)
-  store { ptr, i64, i64 } %t523, ptr %a531
-  store { ptr, i64, i64 } %t529, ptr %a532
-  call void @finch_str_concat(ptr %a530, ptr %a531, ptr %a532)
-  %t533 = load { ptr, i64, i64 }, ptr %a530
-  %t534 = load i64, ptr %t516
-  %t535 = add i64 %t534, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t535, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t536 = load ptr, ptr %a288
-  %t537 = getelementptr inbounds { ptr, i64, i64 }, ptr %t536, i64 %t534
-  store { ptr, i64, i64 } %t533, ptr %t537
-  store i64 %t535, ptr %t516
-  br label %endif7079
-else7078:
-  %t538 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  %t539 = load ptr, ptr %a1
-  %t540 = load %S.ast.Type, ptr %a306
-  %t541 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t539, %S.ast.Type %t540)
-  %t542 = load ptr, ptr %a1
-  %t543 = load %S.ast.Type, ptr %a306
-  %t544 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t542, %S.ast.Type %t543)
-  store { ptr, i64, i64 } %t541, ptr %a546
-  store { ptr, i64, i64 } %t544, ptr %a547
-  call void @finch_str_concat(ptr %a545, ptr %a546, ptr %a547)
-  %t548 = load { ptr, i64, i64 }, ptr %a545
-  store { ptr, i64, i64 } %t548, ptr %a550
-  store { ptr, i64, i64 } { ptr @.str.4589, i64 3, i64 0 }, ptr %a551
-  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  %t553 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a554, i64 %t553)
-  %t555 = load { ptr, i64, i64 }, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a557
-  store { ptr, i64, i64 } %t555, ptr %a558
-  call void @finch_str_concat(ptr %a556, ptr %a557, ptr %a558)
-  %t559 = load { ptr, i64, i64 }, ptr %a556
-  %t560 = load i64, ptr %t538
-  %t561 = add i64 %t560, 1
-  call void @finch_arr_reserve(ptr %a266, i64 %t561, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t562 = load ptr, ptr %a266
-  %t563 = getelementptr inbounds { ptr, i64, i64 }, ptr %t562, i64 %t560
-  store { ptr, i64, i64 } %t559, ptr %t563
-  store i64 %t561, ptr %t538
-  %t564 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  %t565 = load ptr, ptr %a1
-  %t566 = load %S.ast.Type, ptr %a306
-  %t567 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t565, %S.ast.Type %t566)
-  store { ptr, i64, i64 } %t567, ptr %a569
-  store { ptr, i64, i64 } { ptr @.str.4590, i64 3, i64 0 }, ptr %a570
-  call void @finch_str_concat(ptr %a568, ptr %a569, ptr %a570)
-  %t571 = load { ptr, i64, i64 }, ptr %a568
-  %t572 = load i64, ptr %a267
-  call void @finch_str_from_int(ptr %a573, i64 %t572)
-  %t574 = load { ptr, i64, i64 }, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a576
-  store { ptr, i64, i64 } %t574, ptr %a577
-  call void @finch_str_concat(ptr %a575, ptr %a576, ptr %a577)
-  %t578 = load { ptr, i64, i64 }, ptr %a575
-  %t579 = load i64, ptr %t564
-  %t580 = add i64 %t579, 1
-  call void @finch_arr_reserve(ptr %a288, i64 %t580, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t581 = load ptr, ptr %a288
-  %t582 = getelementptr inbounds { ptr, i64, i64 }, ptr %t581, i64 %t579
-  store { ptr, i64, i64 } %t578, ptr %t582
-  store i64 %t580, ptr %t564
-  %t583 = load i64, ptr %a267
-  %t584 = add i64 %t583, 1
-  store i64 %t584, ptr %a267
-  br label %endif7079
-endif7079:
-  br label %endif7076
-endif7076:
-  br label %endif7073
-endif7073:
-  br label %for.step7065
-for.step7065:
-  %t585 = load i64, ptr %a292
-  %t586 = add i64 %t585, 1
-  store i64 %t586, ptr %a292
-  br label %for.cond7063
-for.end7066:
+inrange7455:
+  %t520 = extractvalue { ptr, i64, i64 } %t517, 0
+  %t521 = getelementptr inbounds { ptr, i64, i64 }, ptr %t520, i64 %t516
+  %t522 = load { ptr, i64, i64 }, ptr %t521
+  %t523 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a524, i64 %t523)
+  %t525 = load { ptr, i64, i64 }, ptr %a524
+  store { ptr, i64, i64 } { ptr @.str.4754, i64 2, i64 0 }, ptr %a527
+  store { ptr, i64, i64 } %t525, ptr %a528
+  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
+  store { ptr, i64, i64 } %t525, ptr %a529
+  call void @finch_str_drop(ptr %a529)
+  %t530 = load { ptr, i64, i64 }, ptr %a526
+  %t531 = load ptr, ptr %a1
+  %t532 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } { ptr @.str.4755, i64 31, i64 0 }, ptr %a534
+  store { ptr, i64, i64 } %t532, ptr %a535
+  call void @finch_str_concat(ptr %a533, ptr %a534, ptr %a535)
+  %t536 = load { ptr, i64, i64 }, ptr %a533
+  store { ptr, i64, i64 } %t536, ptr %a538
+  store { ptr, i64, i64 } { ptr @.str.4756, i64 6, i64 0 }, ptr %a539
+  call void @finch_str_concat(ptr %a537, ptr %a538, ptr %a539)
+  store { ptr, i64, i64 } %t536, ptr %a540
+  call void @finch_str_drop(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a537
+  %t542 = load i64, ptr %a485
+  %t543 = mul i64 8, %t542
+  call void @finch_str_from_int(ptr %a544, i64 %t543)
+  %t545 = load { ptr, i64, i64 }, ptr %a544
+  store { ptr, i64, i64 } %t541, ptr %a547
+  store { ptr, i64, i64 } %t545, ptr %a548
+  call void @finch_str_concat(ptr %a546, ptr %a547, ptr %a548)
+  store { ptr, i64, i64 } %t541, ptr %a549
+  call void @finch_str_drop(ptr %a549)
+  store { ptr, i64, i64 } %t545, ptr %a550
+  call void @finch_str_drop(ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a546
+  %t552 = call { ptr, i64, i64 } @finch.gen.op(ptr %t531, { ptr, i64, i64 } %t551)
+  store { ptr, i64, i64 } %t551, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  call void @finch.gen.store(ptr %t514, { ptr, i64, i64 } %t522, { ptr, i64, i64 } %t530, { ptr, i64, i64 } %t552)
+  store { ptr, i64, i64 } %t530, ptr %a554
+  call void @finch_str_drop(ptr %a554)
+  store { ptr, i64, i64 } %t552, ptr %a555
+  call void @finch_str_drop(ptr %a555)
+  %t556 = load i64, ptr %a278
+  %t557 = add i64 %t556, 1
+  store i64 %t557, ptr %a278
+  br label %for.step7450
+for.step7450:
+  %t558 = load i64, ptr %a485
+  %t559 = add i64 %t558, 1
+  store i64 %t559, ptr %a485
+  br label %for.cond7448
+for.end7451:
+  %t560 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t561 = load ptr, ptr %a1
+  %t562 = load %S.ast.Type, ptr %a321
+  %t563 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t561, %S.ast.Type %t562)
+  store { ptr, i64, i64 } %t563, ptr %a565
+  store { ptr, i64, i64 } { ptr @.str.4757, i64 1, i64 0 }, ptr %a566
+  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
+  store { ptr, i64, i64 } %t563, ptr %a567
+  call void @finch_str_drop(ptr %a567)
+  %t568 = load { ptr, i64, i64 }, ptr %a564
+  %t569 = load ptr, ptr %a1
+  %t570 = load ptr, ptr %a1
+  %t571 = load %S.ast.Type, ptr %a321
+  %t572 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t570, %S.ast.Type %t571)
+  %t573 = load { ptr, i64, i64 }, ptr %a481
+  %t574 = call { ptr, i64, i64 } @finch.gen.load(ptr %t569, { ptr, i64, i64 } %t572, { ptr, i64, i64 } %t573)
+  store { ptr, i64, i64 } %t572, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  store { ptr, i64, i64 } %t568, ptr %a577
+  store { ptr, i64, i64 } %t574, ptr %a578
+  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
+  store { ptr, i64, i64 } %t568, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  store { ptr, i64, i64 } %t574, ptr %a580
+  call void @finch_str_drop(ptr %a580)
+  %t581 = load { ptr, i64, i64 }, ptr %a576
+  %t582 = load i64, ptr %t560
+  %t583 = add i64 %t582, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t583, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t584 = load ptr, ptr %a303
+  %t585 = getelementptr inbounds { ptr, i64, i64 }, ptr %t584, i64 %t582
+  store { ptr, i64, i64 } %t581, ptr %t585
+  store i64 %t583, ptr %t560
+  call void @finch_str_drop(ptr %a481)
+  br label %endif7447
+else7446:
+  %t586 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
   %t587 = load ptr, ptr %a1
-  %t588 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t589 = load %S.ast.Type, ptr %t588
-  %t590 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t587, %S.ast.Type %t589)
-  store { ptr, i64, i64 } { ptr @.str.4591, i64 5, i64 0 }, ptr %a592
-  store { ptr, i64, i64 } %t590, ptr %a593
-  call void @finch_str_concat(ptr %a591, ptr %a592, ptr %a593)
-  %t594 = load { ptr, i64, i64 }, ptr %a591
-  store { ptr, i64, i64 } %t594, ptr %a596
-  store { ptr, i64, i64 } { ptr @.str.4592, i64 1, i64 0 }, ptr %a597
-  call void @finch_str_concat(ptr %a595, ptr %a596, ptr %a597)
-  %t598 = load { ptr, i64, i64 }, ptr %a595
-  %t599 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 11
-  %t600 = load { ptr, i64, i64 }, ptr %t599
+  %t588 = load %S.ast.Type, ptr %a321
+  %t589 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t587, %S.ast.Type %t588)
+  %t590 = load ptr, ptr %a1
+  %t591 = load %S.ast.Type, ptr %a321
+  %t592 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t590, %S.ast.Type %t591)
+  store { ptr, i64, i64 } %t589, ptr %a594
+  store { ptr, i64, i64 } %t592, ptr %a595
+  call void @finch_str_concat(ptr %a593, ptr %a594, ptr %a595)
+  store { ptr, i64, i64 } %t589, ptr %a596
+  call void @finch_str_drop(ptr %a596)
+  store { ptr, i64, i64 } %t592, ptr %a597
+  call void @finch_str_drop(ptr %a597)
+  %t598 = load { ptr, i64, i64 }, ptr %a593
+  store { ptr, i64, i64 } %t598, ptr %a600
+  store { ptr, i64, i64 } { ptr @.str.4758, i64 3, i64 0 }, ptr %a601
+  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
   store { ptr, i64, i64 } %t598, ptr %a602
-  store { ptr, i64, i64 } %t600, ptr %a603
-  call void @finch_str_concat(ptr %a601, ptr %a602, ptr %a603)
-  %t604 = load { ptr, i64, i64 }, ptr %a601
-  store { ptr, i64, i64 } %t604, ptr %a606
-  store { ptr, i64, i64 } { ptr @.str.4593, i64 1, i64 0 }, ptr %a607
-  call void @finch_str_concat(ptr %a605, ptr %a606, ptr %a607)
-  %t608 = load { ptr, i64, i64 }, ptr %a605
-  %t609 = getelementptr inbounds { ptr, i64, i64 }, ptr %a288, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4594, i64 2, i64 0 }, ptr %a610
-  call void @finch_str_join(ptr %a611, ptr %a288, ptr %a610)
-  %t612 = load { ptr, i64, i64 }, ptr %a611
-  store { ptr, i64, i64 } %t608, ptr %a614
-  store { ptr, i64, i64 } %t612, ptr %a615
-  call void @finch_str_concat(ptr %a613, ptr %a614, ptr %a615)
-  %t616 = load { ptr, i64, i64 }, ptr %a613
-  store { ptr, i64, i64 } %t616, ptr %a618
-  store { ptr, i64, i64 } { ptr @.str.4595, i64 1, i64 0 }, ptr %a619
-  call void @finch_str_concat(ptr %a617, ptr %a618, ptr %a619)
-  %t620 = load { ptr, i64, i64 }, ptr %a617
-  store { ptr, i64, i64 } %t620, ptr %a621
-  store { ptr, i64, i64 } { ptr @.str.4596, i64 0, i64 0 }, ptr %a622
-  %t623 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t624 = getelementptr inbounds %S.ast.Type, ptr %t623, i32 0, i32 0
-  %t625 = load { ptr, i64, i64 }, ptr %t624
-  store { ptr, i64, i64 } %t625, ptr %a626
-  store { ptr, i64, i64 } { ptr @.str.4597, i64 4, i64 0 }, ptr %a627
-  %t628 = call i32 @finch_str_eq(ptr %a626, ptr %a627)
-  %t629 = icmp ne i32 %t628, 0
-  br i1 %t629, label %then7088, label %else7089
-then7088:
-  %t630 = load ptr, ptr %a1
-  %t631 = load { ptr, i64, i64 }, ptr %a621
-  call void @finch.gen.emit(ptr %t630, { ptr, i64, i64 } %t631)
-  %t632 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t632, { ptr, i64, i64 } { ptr @.str.4598, i64 8, i64 0 })
-  br label %endif7090
-else7089:
-  %t633 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 3
-  %t634 = load i1, ptr %t633
-  br i1 %t634, label %then7091, label %else7092
-then7091:
-  %t635 = load ptr, ptr %a1
-  %t636 = load ptr, ptr %a1
-  %t637 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t638 = load %S.ast.Type, ptr %t637
-  %t639 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t636, %S.ast.Type %t638)
-  %t640 = load ptr, ptr %a1
-  %t641 = load { ptr, i64, i64 }, ptr %a621
-  %t642 = call { ptr, i64, i64 } @finch.gen.op(ptr %t640, { ptr, i64, i64 } %t641)
-  %t643 = load { ptr, i64, i64 }, ptr %a268
-  call void @finch.gen.store(ptr %t635, { ptr, i64, i64 } %t639, { ptr, i64, i64 } %t642, { ptr, i64, i64 } %t643)
-  %t644 = load ptr, ptr %a1
-  call void @finch.gen.emit(ptr %t644, { ptr, i64, i64 } { ptr @.str.4599, i64 8, i64 0 })
-  br label %endif7093
-else7092:
-  %t645 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 0
-  %t646 = getelementptr inbounds %S.gen.Abi, ptr %t645, i32 0, i32 0
-  %t647 = load { ptr, i64, i64 }, ptr %t646
-  store { ptr, i64, i64 } %t647, ptr %a648
-  store { ptr, i64, i64 } { ptr @.str.4600, i64 6, i64 0 }, ptr %a649
-  %t650 = call i32 @finch_str_eq(ptr %a648, ptr %a649)
-  %t651 = icmp ne i32 %t650, 0
-  br i1 %t651, label %then7094, label %else7095
-then7094:
-  %t652 = load ptr, ptr %a1
-  %t653 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t652, { ptr, i64, i64 } { ptr @.str.4601, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t653, ptr %a654
-  %t655 = load ptr, ptr %a1
-  %t656 = load ptr, ptr %a1
-  %t657 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t658 = load %S.ast.Type, ptr %t657
-  %t659 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t656, %S.ast.Type %t658)
-  %t660 = load ptr, ptr %a1
-  %t661 = load { ptr, i64, i64 }, ptr %a621
-  %t662 = call { ptr, i64, i64 } @finch.gen.op(ptr %t660, { ptr, i64, i64 } %t661)
-  %t663 = load { ptr, i64, i64 }, ptr %a654
-  call void @finch.gen.store(ptr %t655, { ptr, i64, i64 } %t659, { ptr, i64, i64 } %t662, { ptr, i64, i64 } %t663)
-  %t664 = load ptr, ptr %a1
-  %t665 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 0
-  %t666 = getelementptr inbounds %S.gen.Abi, ptr %t665, i32 0, i32 2
-  %t667 = load { ptr, i64, i64 }, ptr %t666
-  store { ptr, i64, i64 } { ptr @.str.4602, i64 4, i64 0 }, ptr %a669
-  store { ptr, i64, i64 } %t667, ptr %a670
-  call void @finch_str_concat(ptr %a668, ptr %a669, ptr %a670)
-  %t671 = load { ptr, i64, i64 }, ptr %a668
-  store { ptr, i64, i64 } %t671, ptr %a673
-  store { ptr, i64, i64 } { ptr @.str.4603, i64 1, i64 0 }, ptr %a674
-  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
-  %t675 = load { ptr, i64, i64 }, ptr %a672
-  %t676 = load ptr, ptr %a1
-  %t677 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 0
-  %t678 = getelementptr inbounds %S.gen.Abi, ptr %t677, i32 0, i32 2
-  %t679 = load { ptr, i64, i64 }, ptr %t678
-  %t680 = load { ptr, i64, i64 }, ptr %a654
-  %t681 = call { ptr, i64, i64 } @finch.gen.load(ptr %t676, { ptr, i64, i64 } %t679, { ptr, i64, i64 } %t680)
-  store { ptr, i64, i64 } %t675, ptr %a683
-  store { ptr, i64, i64 } %t681, ptr %a684
-  call void @finch_str_concat(ptr %a682, ptr %a683, ptr %a684)
-  %t685 = load { ptr, i64, i64 }, ptr %a682
-  call void @finch.gen.emit(ptr %t664, { ptr, i64, i64 } %t685)
-  br label %endif7096
-else7095:
-  %t686 = load ptr, ptr %a1
-  %t687 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t688 = load %S.ast.Type, ptr %t687
-  %t689 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t686, %S.ast.Type %t688)
-  store { ptr, i64, i64 } %t689, ptr %a622
-  %t690 = load ptr, ptr %a1
-  %t691 = load ptr, ptr %a1
-  %t692 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
-  %t693 = load %S.ast.Type, ptr %t692
-  %t694 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t691, %S.ast.Type %t693)
-  store { ptr, i64, i64 } { ptr @.str.4604, i64 4, i64 0 }, ptr %a696
-  store { ptr, i64, i64 } %t694, ptr %a697
-  call void @finch_str_concat(ptr %a695, ptr %a696, ptr %a697)
-  %t698 = load { ptr, i64, i64 }, ptr %a695
-  store { ptr, i64, i64 } %t698, ptr %a700
-  store { ptr, i64, i64 } { ptr @.str.4605, i64 1, i64 0 }, ptr %a701
-  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
-  %t702 = load { ptr, i64, i64 }, ptr %a699
+  call void @finch_str_drop(ptr %a602)
+  %t603 = load { ptr, i64, i64 }, ptr %a599
+  %t604 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a605, i64 %t604)
+  %t606 = load { ptr, i64, i64 }, ptr %a605
+  store { ptr, i64, i64 } %t603, ptr %a608
+  store { ptr, i64, i64 } %t606, ptr %a609
+  call void @finch_str_concat(ptr %a607, ptr %a608, ptr %a609)
+  store { ptr, i64, i64 } %t603, ptr %a610
+  call void @finch_str_drop(ptr %a610)
+  store { ptr, i64, i64 } %t606, ptr %a611
+  call void @finch_str_drop(ptr %a611)
+  %t612 = load { ptr, i64, i64 }, ptr %a607
+  %t613 = load i64, ptr %t586
+  %t614 = add i64 %t613, 1
+  call void @finch_arr_reserve(ptr %a277, i64 %t614, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t615 = load ptr, ptr %a277
+  %t616 = getelementptr inbounds { ptr, i64, i64 }, ptr %t615, i64 %t613
+  store { ptr, i64, i64 } %t612, ptr %t616
+  store i64 %t614, ptr %t586
+  %t617 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  %t618 = load ptr, ptr %a1
+  %t619 = load %S.ast.Type, ptr %a321
+  %t620 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t618, %S.ast.Type %t619)
+  store { ptr, i64, i64 } %t620, ptr %a622
+  store { ptr, i64, i64 } { ptr @.str.4759, i64 3, i64 0 }, ptr %a623
+  call void @finch_str_concat(ptr %a621, ptr %a622, ptr %a623)
+  store { ptr, i64, i64 } %t620, ptr %a624
+  call void @finch_str_drop(ptr %a624)
+  %t625 = load { ptr, i64, i64 }, ptr %a621
+  %t626 = load i64, ptr %a278
+  call void @finch_str_from_int(ptr %a627, i64 %t626)
+  %t628 = load { ptr, i64, i64 }, ptr %a627
+  store { ptr, i64, i64 } %t625, ptr %a630
+  store { ptr, i64, i64 } %t628, ptr %a631
+  call void @finch_str_concat(ptr %a629, ptr %a630, ptr %a631)
+  store { ptr, i64, i64 } %t625, ptr %a632
+  call void @finch_str_drop(ptr %a632)
+  store { ptr, i64, i64 } %t628, ptr %a633
+  call void @finch_str_drop(ptr %a633)
+  %t634 = load { ptr, i64, i64 }, ptr %a629
+  %t635 = load i64, ptr %t617
+  %t636 = add i64 %t635, 1
+  call void @finch_arr_reserve(ptr %a303, i64 %t636, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t637 = load ptr, ptr %a303
+  %t638 = getelementptr inbounds { ptr, i64, i64 }, ptr %t637, i64 %t635
+  store { ptr, i64, i64 } %t634, ptr %t638
+  store i64 %t636, ptr %t617
+  %t639 = load i64, ptr %a278
+  %t640 = add i64 %t639, 1
+  store i64 %t640, ptr %a278
+  br label %endif7447
+endif7447:
+  br label %endif7444
+endif7444:
+  br label %endif7441
+endif7441:
+  call void @finch.drop.S_gen_Abi(ptr %a333)
+  call void @finch.drop.S_ast_Type(ptr %a321)
+  br label %for.step7433
+for.step7433:
+  %t641 = load i64, ptr %a307
+  %t642 = add i64 %t641, 1
+  store i64 %t642, ptr %a307
+  br label %for.cond7431
+for.end7434:
+  %t643 = load ptr, ptr %a1
+  %t644 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t645 = load %S.ast.Type, ptr %t644
+  %t646 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t643, %S.ast.Type %t645)
+  store { ptr, i64, i64 } { ptr @.str.4760, i64 5, i64 0 }, ptr %a648
+  store { ptr, i64, i64 } %t646, ptr %a649
+  call void @finch_str_concat(ptr %a647, ptr %a648, ptr %a649)
+  store { ptr, i64, i64 } %t646, ptr %a650
+  call void @finch_str_drop(ptr %a650)
+  %t651 = load { ptr, i64, i64 }, ptr %a647
+  store { ptr, i64, i64 } %t651, ptr %a653
+  store { ptr, i64, i64 } { ptr @.str.4761, i64 1, i64 0 }, ptr %a654
+  call void @finch_str_concat(ptr %a652, ptr %a653, ptr %a654)
+  store { ptr, i64, i64 } %t651, ptr %a655
+  call void @finch_str_drop(ptr %a655)
+  %t656 = load { ptr, i64, i64 }, ptr %a652
+  %t657 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 11
+  %t658 = load { ptr, i64, i64 }, ptr %t657
+  store { ptr, i64, i64 } %t656, ptr %a660
+  store { ptr, i64, i64 } %t658, ptr %a661
+  call void @finch_str_concat(ptr %a659, ptr %a660, ptr %a661)
+  store { ptr, i64, i64 } %t656, ptr %a662
+  call void @finch_str_drop(ptr %a662)
+  %t663 = load { ptr, i64, i64 }, ptr %a659
+  store { ptr, i64, i64 } %t663, ptr %a665
+  store { ptr, i64, i64 } { ptr @.str.4762, i64 1, i64 0 }, ptr %a666
+  call void @finch_str_concat(ptr %a664, ptr %a665, ptr %a666)
+  store { ptr, i64, i64 } %t663, ptr %a667
+  call void @finch_str_drop(ptr %a667)
+  %t668 = load { ptr, i64, i64 }, ptr %a664
+  %t669 = getelementptr inbounds { ptr, i64, i64 }, ptr %a303, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4763, i64 2, i64 0 }, ptr %a670
+  call void @finch_str_join(ptr %a671, ptr %a303, ptr %a670)
+  %t672 = load { ptr, i64, i64 }, ptr %a671
+  store { ptr, i64, i64 } %t668, ptr %a674
+  store { ptr, i64, i64 } %t672, ptr %a675
+  call void @finch_str_concat(ptr %a673, ptr %a674, ptr %a675)
+  store { ptr, i64, i64 } %t668, ptr %a676
+  call void @finch_str_drop(ptr %a676)
+  store { ptr, i64, i64 } %t672, ptr %a677
+  call void @finch_str_drop(ptr %a677)
+  %t678 = load { ptr, i64, i64 }, ptr %a673
+  store { ptr, i64, i64 } %t678, ptr %a680
+  store { ptr, i64, i64 } { ptr @.str.4764, i64 1, i64 0 }, ptr %a681
+  call void @finch_str_concat(ptr %a679, ptr %a680, ptr %a681)
+  store { ptr, i64, i64 } %t678, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = load { ptr, i64, i64 }, ptr %a679
+  store { ptr, i64, i64 } %t683, ptr %a684
+  store { ptr, i64, i64 } { ptr @.str.4765, i64 0, i64 0 }, ptr %a685
+  %t686 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t687 = getelementptr inbounds %S.ast.Type, ptr %t686, i32 0, i32 0
+  %t688 = load { ptr, i64, i64 }, ptr %t687
+  store { ptr, i64, i64 } %t688, ptr %a689
+  store { ptr, i64, i64 } { ptr @.str.4766, i64 4, i64 0 }, ptr %a690
+  %t691 = call i32 @finch_str_eq(ptr %a689, ptr %a690)
+  %t692 = icmp ne i32 %t691, 0
+  br i1 %t692, label %then7456, label %else7457
+then7456:
+  %t693 = load ptr, ptr %a1
+  %t694 = load { ptr, i64, i64 }, ptr %a684
+  call void @finch.gen.emit(ptr %t693, { ptr, i64, i64 } %t694)
+  %t695 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t695, { ptr, i64, i64 } { ptr @.str.4767, i64 8, i64 0 })
+  br label %endif7458
+else7457:
+  %t696 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 3
+  %t697 = load i1, ptr %t696
+  br i1 %t697, label %then7459, label %else7460
+then7459:
+  %t698 = load ptr, ptr %a1
+  %t699 = load ptr, ptr %a1
+  %t700 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t701 = load %S.ast.Type, ptr %t700
+  %t702 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t699, %S.ast.Type %t701)
   %t703 = load ptr, ptr %a1
-  %t704 = load { ptr, i64, i64 }, ptr %a621
+  %t704 = load { ptr, i64, i64 }, ptr %a684
   %t705 = call { ptr, i64, i64 } @finch.gen.op(ptr %t703, { ptr, i64, i64 } %t704)
+  %t706 = load { ptr, i64, i64 }, ptr %a279
+  call void @finch.gen.store(ptr %t698, { ptr, i64, i64 } %t702, { ptr, i64, i64 } %t705, { ptr, i64, i64 } %t706)
   store { ptr, i64, i64 } %t702, ptr %a707
+  call void @finch_str_drop(ptr %a707)
   store { ptr, i64, i64 } %t705, ptr %a708
-  call void @finch_str_concat(ptr %a706, ptr %a707, ptr %a708)
-  %t709 = load { ptr, i64, i64 }, ptr %a706
-  call void @finch.gen.emit(ptr %t690, { ptr, i64, i64 } %t709)
-  br label %endif7096
-endif7096:
-  br label %endif7093
-endif7093:
-  br label %endif7090
-endif7090:
-  %t710 = load ptr, ptr %a1
-  %t711 = load %S.gen.Saved, ptr %a265
-  %t712 = load { ptr, i64, i64 }, ptr %a622
-  store { ptr, i64, i64 } { ptr @.str.4606, i64 15, i64 0 }, ptr %a714
-  store { ptr, i64, i64 } %t712, ptr %a715
-  call void @finch_str_concat(ptr %a713, ptr %a714, ptr %a715)
-  %t716 = load { ptr, i64, i64 }, ptr %a713
-  store { ptr, i64, i64 } %t716, ptr %a718
-  store { ptr, i64, i64 } { ptr @.str.4607, i64 1, i64 0 }, ptr %a719
-  call void @finch_str_concat(ptr %a717, ptr %a718, ptr %a719)
-  %t720 = load { ptr, i64, i64 }, ptr %a717
-  %t721 = getelementptr inbounds %S.gen.Plan, ptr %a262, i32 0, i32 2
-  %t722 = load { ptr, i64, i64 }, ptr %t721
-  store { ptr, i64, i64 } %t720, ptr %a724
-  store { ptr, i64, i64 } %t722, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  store { ptr, i64, i64 } %t726, ptr %a728
-  store { ptr, i64, i64 } { ptr @.str.4608, i64 1, i64 0 }, ptr %a729
-  call void @finch_str_concat(ptr %a727, ptr %a728, ptr %a729)
-  %t730 = load { ptr, i64, i64 }, ptr %a727
-  %t731 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t730, ptr %a733
-  store { ptr, i64, i64 } %t731, ptr %a734
-  call void @finch_str_concat(ptr %a732, ptr %a733, ptr %a734)
-  %t735 = load { ptr, i64, i64 }, ptr %a732
-  store { ptr, i64, i64 } %t735, ptr %a737
-  store { ptr, i64, i64 } { ptr @.str.4609, i64 1, i64 0 }, ptr %a738
-  call void @finch_str_concat(ptr %a736, ptr %a737, ptr %a738)
-  %t739 = load { ptr, i64, i64 }, ptr %a736
-  %t740 = getelementptr inbounds { ptr, i64, i64 }, ptr %a266, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4610, i64 2, i64 0 }, ptr %a741
-  call void @finch_str_join(ptr %a742, ptr %a266, ptr %a741)
-  %t743 = load { ptr, i64, i64 }, ptr %a742
-  store { ptr, i64, i64 } %t739, ptr %a745
-  store { ptr, i64, i64 } %t743, ptr %a746
-  call void @finch_str_concat(ptr %a744, ptr %a745, ptr %a746)
-  %t747 = load { ptr, i64, i64 }, ptr %a744
-  store { ptr, i64, i64 } %t747, ptr %a749
-  store { ptr, i64, i64 } { ptr @.str.4611, i64 1, i64 0 }, ptr %a750
-  call void @finch_str_concat(ptr %a748, ptr %a749, ptr %a750)
-  %t751 = load { ptr, i64, i64 }, ptr %a748
-  call void @finch.gen.endHelper(ptr %t710, %S.gen.Saved %t711, { ptr, i64, i64 } %t751)
-  %t752 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t752, ptr %a753
-  call void @finch_str_copy(ptr %a754, ptr %a753)
-  %t755 = load { ptr, i64, i64 }, ptr %a754
-  ret { ptr, i64, i64 } %t755
+  call void @finch_str_drop(ptr %a708)
+  %t709 = load ptr, ptr %a1
+  call void @finch.gen.emit(ptr %t709, { ptr, i64, i64 } { ptr @.str.4768, i64 8, i64 0 })
+  br label %endif7461
+else7460:
+  %t710 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 0
+  %t711 = getelementptr inbounds %S.gen.Abi, ptr %t710, i32 0, i32 0
+  %t712 = load { ptr, i64, i64 }, ptr %t711
+  store { ptr, i64, i64 } %t712, ptr %a713
+  store { ptr, i64, i64 } { ptr @.str.4769, i64 6, i64 0 }, ptr %a714
+  %t715 = call i32 @finch_str_eq(ptr %a713, ptr %a714)
+  %t716 = icmp ne i32 %t715, 0
+  br i1 %t716, label %then7462, label %else7463
+then7462:
+  %t717 = load ptr, ptr %a1
+  %t718 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t717, { ptr, i64, i64 } { ptr @.str.4770, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t718, ptr %a719
+  %t720 = load ptr, ptr %a1
+  %t721 = load ptr, ptr %a1
+  %t722 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t723 = load %S.ast.Type, ptr %t722
+  %t724 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t721, %S.ast.Type %t723)
+  %t725 = load ptr, ptr %a1
+  %t726 = load { ptr, i64, i64 }, ptr %a684
+  %t727 = call { ptr, i64, i64 } @finch.gen.op(ptr %t725, { ptr, i64, i64 } %t726)
+  %t728 = load { ptr, i64, i64 }, ptr %a719
+  call void @finch.gen.store(ptr %t720, { ptr, i64, i64 } %t724, { ptr, i64, i64 } %t727, { ptr, i64, i64 } %t728)
+  store { ptr, i64, i64 } %t724, ptr %a729
+  call void @finch_str_drop(ptr %a729)
+  store { ptr, i64, i64 } %t727, ptr %a730
+  call void @finch_str_drop(ptr %a730)
+  %t731 = load ptr, ptr %a1
+  %t732 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 0
+  %t733 = getelementptr inbounds %S.gen.Abi, ptr %t732, i32 0, i32 2
+  %t734 = load { ptr, i64, i64 }, ptr %t733
+  store { ptr, i64, i64 } { ptr @.str.4771, i64 4, i64 0 }, ptr %a736
+  store { ptr, i64, i64 } %t734, ptr %a737
+  call void @finch_str_concat(ptr %a735, ptr %a736, ptr %a737)
+  %t738 = load { ptr, i64, i64 }, ptr %a735
+  store { ptr, i64, i64 } %t738, ptr %a740
+  store { ptr, i64, i64 } { ptr @.str.4772, i64 1, i64 0 }, ptr %a741
+  call void @finch_str_concat(ptr %a739, ptr %a740, ptr %a741)
+  store { ptr, i64, i64 } %t738, ptr %a742
+  call void @finch_str_drop(ptr %a742)
+  %t743 = load { ptr, i64, i64 }, ptr %a739
+  %t744 = load ptr, ptr %a1
+  %t745 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 0
+  %t746 = getelementptr inbounds %S.gen.Abi, ptr %t745, i32 0, i32 2
+  %t747 = load { ptr, i64, i64 }, ptr %t746
+  %t748 = load { ptr, i64, i64 }, ptr %a719
+  %t749 = call { ptr, i64, i64 } @finch.gen.load(ptr %t744, { ptr, i64, i64 } %t747, { ptr, i64, i64 } %t748)
+  store { ptr, i64, i64 } %t743, ptr %a751
+  store { ptr, i64, i64 } %t749, ptr %a752
+  call void @finch_str_concat(ptr %a750, ptr %a751, ptr %a752)
+  store { ptr, i64, i64 } %t743, ptr %a753
+  call void @finch_str_drop(ptr %a753)
+  store { ptr, i64, i64 } %t749, ptr %a754
+  call void @finch_str_drop(ptr %a754)
+  %t755 = load { ptr, i64, i64 }, ptr %a750
+  call void @finch.gen.emit(ptr %t731, { ptr, i64, i64 } %t755)
+  store { ptr, i64, i64 } %t755, ptr %a756
+  call void @finch_str_drop(ptr %a756)
+  call void @finch_str_drop(ptr %a719)
+  br label %endif7464
+else7463:
+  %t757 = load ptr, ptr %a1
+  %t758 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t759 = load %S.ast.Type, ptr %t758
+  %t760 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t757, %S.ast.Type %t759)
+  %t761 = load { ptr, i64, i64 }, ptr %a685
+  store { ptr, i64, i64 } %t760, ptr %a685
+  store { ptr, i64, i64 } %t761, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = load ptr, ptr %a1
+  %t764 = load ptr, ptr %a1
+  %t765 = getelementptr inbounds %S.gen.FnSig, ptr %a17, i32 0, i32 12
+  %t766 = load %S.ast.Type, ptr %t765
+  %t767 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t764, %S.ast.Type %t766)
+  store { ptr, i64, i64 } { ptr @.str.4773, i64 4, i64 0 }, ptr %a769
+  store { ptr, i64, i64 } %t767, ptr %a770
+  call void @finch_str_concat(ptr %a768, ptr %a769, ptr %a770)
+  store { ptr, i64, i64 } %t767, ptr %a771
+  call void @finch_str_drop(ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a768
+  store { ptr, i64, i64 } %t772, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.4774, i64 1, i64 0 }, ptr %a775
+  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
+  store { ptr, i64, i64 } %t772, ptr %a776
+  call void @finch_str_drop(ptr %a776)
+  %t777 = load { ptr, i64, i64 }, ptr %a773
+  %t778 = load ptr, ptr %a1
+  %t779 = load { ptr, i64, i64 }, ptr %a684
+  %t780 = call { ptr, i64, i64 } @finch.gen.op(ptr %t778, { ptr, i64, i64 } %t779)
+  store { ptr, i64, i64 } %t777, ptr %a782
+  store { ptr, i64, i64 } %t780, ptr %a783
+  call void @finch_str_concat(ptr %a781, ptr %a782, ptr %a783)
+  store { ptr, i64, i64 } %t777, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  store { ptr, i64, i64 } %t780, ptr %a785
+  call void @finch_str_drop(ptr %a785)
+  %t786 = load { ptr, i64, i64 }, ptr %a781
+  call void @finch.gen.emit(ptr %t763, { ptr, i64, i64 } %t786)
+  store { ptr, i64, i64 } %t786, ptr %a787
+  call void @finch_str_drop(ptr %a787)
+  br label %endif7464
+endif7464:
+  br label %endif7461
+endif7461:
+  br label %endif7458
+endif7458:
+  %t788 = load ptr, ptr %a1
+  %t789 = load %S.gen.Saved, ptr %a276
+  %t790 = load { ptr, i64, i64 }, ptr %a685
+  store { ptr, i64, i64 } { ptr @.str.4775, i64 15, i64 0 }, ptr %a792
+  store { ptr, i64, i64 } %t790, ptr %a793
+  call void @finch_str_concat(ptr %a791, ptr %a792, ptr %a793)
+  %t794 = load { ptr, i64, i64 }, ptr %a791
+  store { ptr, i64, i64 } %t794, ptr %a796
+  store { ptr, i64, i64 } { ptr @.str.4776, i64 1, i64 0 }, ptr %a797
+  call void @finch_str_concat(ptr %a795, ptr %a796, ptr %a797)
+  store { ptr, i64, i64 } %t794, ptr %a798
+  call void @finch_str_drop(ptr %a798)
+  %t799 = load { ptr, i64, i64 }, ptr %a795
+  %t800 = getelementptr inbounds %S.gen.Plan, ptr %a273, i32 0, i32 2
+  %t801 = load { ptr, i64, i64 }, ptr %t800
+  store { ptr, i64, i64 } %t799, ptr %a803
+  store { ptr, i64, i64 } %t801, ptr %a804
+  call void @finch_str_concat(ptr %a802, ptr %a803, ptr %a804)
+  store { ptr, i64, i64 } %t799, ptr %a805
+  call void @finch_str_drop(ptr %a805)
+  %t806 = load { ptr, i64, i64 }, ptr %a802
+  store { ptr, i64, i64 } %t806, ptr %a808
+  store { ptr, i64, i64 } { ptr @.str.4777, i64 1, i64 0 }, ptr %a809
+  call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
+  store { ptr, i64, i64 } %t806, ptr %a810
+  call void @finch_str_drop(ptr %a810)
+  %t811 = load { ptr, i64, i64 }, ptr %a807
+  %t812 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } %t811, ptr %a814
+  store { ptr, i64, i64 } %t812, ptr %a815
+  call void @finch_str_concat(ptr %a813, ptr %a814, ptr %a815)
+  store { ptr, i64, i64 } %t811, ptr %a816
+  call void @finch_str_drop(ptr %a816)
+  %t817 = load { ptr, i64, i64 }, ptr %a813
+  store { ptr, i64, i64 } %t817, ptr %a819
+  store { ptr, i64, i64 } { ptr @.str.4778, i64 1, i64 0 }, ptr %a820
+  call void @finch_str_concat(ptr %a818, ptr %a819, ptr %a820)
+  store { ptr, i64, i64 } %t817, ptr %a821
+  call void @finch_str_drop(ptr %a821)
+  %t822 = load { ptr, i64, i64 }, ptr %a818
+  %t823 = getelementptr inbounds { ptr, i64, i64 }, ptr %a277, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4779, i64 2, i64 0 }, ptr %a824
+  call void @finch_str_join(ptr %a825, ptr %a277, ptr %a824)
+  %t826 = load { ptr, i64, i64 }, ptr %a825
+  store { ptr, i64, i64 } %t822, ptr %a828
+  store { ptr, i64, i64 } %t826, ptr %a829
+  call void @finch_str_concat(ptr %a827, ptr %a828, ptr %a829)
+  store { ptr, i64, i64 } %t822, ptr %a830
+  call void @finch_str_drop(ptr %a830)
+  store { ptr, i64, i64 } %t826, ptr %a831
+  call void @finch_str_drop(ptr %a831)
+  %t832 = load { ptr, i64, i64 }, ptr %a827
+  store { ptr, i64, i64 } %t832, ptr %a834
+  store { ptr, i64, i64 } { ptr @.str.4780, i64 1, i64 0 }, ptr %a835
+  call void @finch_str_concat(ptr %a833, ptr %a834, ptr %a835)
+  store { ptr, i64, i64 } %t832, ptr %a836
+  call void @finch_str_drop(ptr %a836)
+  %t837 = load { ptr, i64, i64 }, ptr %a833
+  call void @finch.gen.endHelper(ptr %t788, %S.gen.Saved %t789, { ptr, i64, i64 } %t837)
+  store { ptr, i64, i64 } %t837, ptr %a838
+  call void @finch_str_drop(ptr %a838)
+  %t839 = load { ptr, i64, i64 }, ptr %a38
+  call void @finch_str_drop(ptr %a685)
+  call void @finch_str_drop(ptr %a684)
+  call void @finch.drop.arr_str(ptr %a303)
+  call void @finch_str_drop(ptr %a279)
+  call void @finch.drop.arr_str(ptr %a277)
+  call void @finch.drop.S_gen_Saved(ptr %a276)
+  call void @finch.drop.S_gen_Plan(ptr %a273)
+  call void @finch.drop.S_gen_FnSig(ptr %a17)
+  ret { ptr, i64, i64 } %t839
 }
 
 define internal %S.gen.Val @finch.gen.enumFrom(ptr %p0, %S.ast.Node %p1, i64 %p2) {
@@ -63604,86 +75161,107 @@ entry:
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca %S.ast.Type, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca i64, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca %S.ast.Type, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca i64, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca i64, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca %S.ast.Type, align 16
-  %a120 = alloca %S.ast.Type, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a135 = alloca i64, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.ast.Type, align 16
+  %a125 = alloca %S.ast.Type, align 16
+  %a135 = alloca %S.ast.Type, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca i64, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
   %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
   %a215 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca %S.ast.Type, align 16
-  %a221 = alloca %S.ast.Type, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca %S.ast.Type, align 16
+  %a244 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store i64 %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic7097, label %ok7098
-panic7097:
-  call void @finch_panic(ptr @.str.4612, i64 4087, ptr @.str.4613)
+  br i1 %t5, label %panic7468, label %ok7469
+panic7468:
+  call void @finch_panic(ptr @.str.4781, i64 4374, ptr @.str.4782)
   unreachable
-ok7098:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 20
+ok7469:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 21
   %t7 = load i64, ptr %a3
   %t8 = load { ptr, i64, i64 }, ptr %t6
   %t9 = extractvalue { ptr, i64, i64 } %t8, 1
   %t10 = icmp uge i64 %t7, %t9
-  br i1 %t10, label %range7099, label %inrange7100
-range7099:
-  call void @finch_panic_index(ptr @.str.4614, i64 4087, i64 %t7, i64 %t9)
+  br i1 %t10, label %range7470, label %inrange7471
+range7470:
+  call void @finch_panic_index(ptr @.str.4783, i64 4374, i64 %t7, i64 %t9)
   unreachable
-inrange7100:
+inrange7471:
   %t11 = extractvalue { ptr, i64, i64 } %t8, 0
   %t12 = getelementptr inbounds %S.gen.EnumDef, ptr %t11, i64 %t7
   %t13 = load %S.gen.EnumDef, ptr %t12
@@ -63701,11 +75279,11 @@ inrange7100:
   %t24 = load { ptr, i64, i64 }, ptr %t23
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 0, %t25
-  br i1 %t26, label %range7101, label %inrange7102
-range7101:
-  call void @finch_panic_index(ptr @.str.4615, i64 4089, i64 0, i64 %t25)
+  br i1 %t26, label %range7472, label %inrange7473
+range7472:
+  call void @finch_panic_index(ptr @.str.4784, i64 4376, i64 0, i64 %t25)
   unreachable
-inrange7102:
+inrange7473:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds %S.ast.Node, ptr %t27, i64 0
   %t29 = load %S.ast.Node, ptr %t28
@@ -63715,25 +75293,25 @@ inrange7102:
   %t33 = load %S.ast.Type, ptr %t32
   %t34 = call i1 @finch.gen.isInt(%S.ast.Type %t33)
   %t35 = xor i1 %t34, true
-  br i1 %t35, label %then7103, label %endif7105
-then7103:
+  br i1 %t35, label %then7474, label %endif7476
+then7474:
   %t36 = load ptr, ptr %a1
   %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t38 = load { ptr, i64, i64 }, ptr %t37
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 0, %t39
-  br i1 %t40, label %range7106, label %inrange7107
-range7106:
-  call void @finch_panic_index(ptr @.str.4616, i64 4091, i64 0, i64 %t39)
+  br i1 %t40, label %range7477, label %inrange7478
+range7477:
+  call void @finch_panic_index(ptr @.str.4785, i64 4378, i64 0, i64 %t39)
   unreachable
-inrange7107:
+inrange7478:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds %S.ast.Node, ptr %t41, i64 0
   %t43 = load %S.ast.Node, ptr %t42
   %t44 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
   %t45 = load { ptr, i64, i64 }, ptr %t44
   store { ptr, i64, i64 } %t45, ptr %a47
-  store { ptr, i64, i64 } { ptr @.str.4617, i64 54, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.4786, i64 54, i64 0 }, ptr %a48
   call void @finch_str_concat(ptr %a46, ptr %a47, ptr %a48)
   %t49 = load { ptr, i64, i64 }, ptr %a46
   %t50 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 1
@@ -63742,227 +75320,280 @@ inrange7107:
   store { ptr, i64, i64 } %t49, ptr %a54
   store { ptr, i64, i64 } %t52, ptr %a55
   call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t43, { ptr, i64, i64 } %t56)
-  br label %endif7105
-endif7105:
-  %t57 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4618, i64 4, i64 0 }, 0
-  %t58 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  store { ptr, i64, i64 } %t59, ptr %a60
-  call void @finch_str_copy(ptr %a61, ptr %a60)
-  %t62 = load { ptr, i64, i64 }, ptr %a61
-  %t63 = insertvalue %S.ast.Type %t57, { ptr, i64, i64 } %t62, 2
-  %t64 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
-  %t65 = load { ptr, i64, i64 }, ptr %t64
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  %t69 = insertvalue %S.ast.Type %t63, { ptr, i64, i64 } %t68, 3
-  store %S.ast.Type %t69, ptr %a70
-  %t71 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 3
-  %t72 = load i1, ptr %t71
-  br i1 %t72, label %then7108, label %endif7110
-then7108:
-  %t73 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t76 = load { ptr, i64, i64 }, ptr %t75
-  store { ptr, i64, i64 } %t76, ptr %a77
-  %t78 = call i64 @finch_str_to_int(ptr %a77, ptr @.str.4619, i64 4095)
-  store i64 -1, ptr %a79
-  %t80 = load i64, ptr %t74
-  %t81 = load ptr, ptr %t73
-  store i64 0, ptr %a82
-  br label %find.cond7111
-find.cond7111:
-  %t83 = load i64, ptr %a82
-  %t84 = icmp slt i64 %t83, %t80
-  br i1 %t84, label %find.body7112, label %find.end7115
-find.body7112:
-  %t85 = getelementptr inbounds i64, ptr %t81, i64 %t83
-  %t86 = load i64, ptr %t85
-  %t87 = icmp eq i64 %t86, %t78
-  br i1 %t87, label %find.hit7113, label %find.next7114
-find.hit7113:
-  store i64 %t83, ptr %a79
-  br label %find.end7115
-find.next7114:
-  %t88 = add i64 %t83, 1
-  store i64 %t88, ptr %a82
-  br label %find.cond7111
-find.end7115:
-  %t89 = load i64, ptr %a79
-  %t90 = icmp sge i64 %t89, 0
-  %t91 = xor i1 %t90, true
-  br i1 %t91, label %then7116, label %endif7118
-then7116:
-  %t92 = load ptr, ptr %a1
-  %t93 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t94 = load { ptr, i64, i64 }, ptr %t93
-  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
-  %t96 = icmp uge i64 0, %t95
-  br i1 %t96, label %range7119, label %inrange7120
-range7119:
-  call void @finch_panic_index(ptr @.str.4620, i64 4096, i64 0, i64 %t95)
+  store { ptr, i64, i64 } %t49, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  store { ptr, i64, i64 } %t52, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a53
+  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t43, { ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  br label %endif7476
+endif7476:
+  %t60 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.4787, i64 4, i64 0 }, 0
+  %t61 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t62 = load { ptr, i64, i64 }, ptr %t61
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  %t66 = insertvalue %S.ast.Type %t60, { ptr, i64, i64 } %t65, 2
+  %t67 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 0
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  store { ptr, i64, i64 } %t68, ptr %a69
+  call void @finch_str_copy(ptr %a70, ptr %a69)
+  %t71 = load { ptr, i64, i64 }, ptr %a70
+  %t72 = insertvalue %S.ast.Type %t66, { ptr, i64, i64 } %t71, 3
+  store %S.ast.Type %t72, ptr %a73
+  %t74 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 3
+  %t75 = load i1, ptr %t74
+  br i1 %t75, label %then7479, label %endif7481
+then7479:
+  %t76 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  %t78 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  %t81 = call i64 @finch_str_to_int(ptr %a80, ptr @.str.4788, i64 4382)
+  store i64 -1, ptr %a82
+  %t83 = load i64, ptr %t77
+  %t84 = load ptr, ptr %t76
+  store i64 0, ptr %a85
+  br label %find.cond7482
+find.cond7482:
+  %t86 = load i64, ptr %a85
+  %t87 = icmp slt i64 %t86, %t83
+  br i1 %t87, label %find.body7483, label %find.end7486
+find.body7483:
+  %t88 = getelementptr inbounds i64, ptr %t84, i64 %t86
+  %t89 = load i64, ptr %t88
+  %t90 = icmp eq i64 %t89, %t81
+  br i1 %t90, label %find.hit7484, label %find.next7485
+find.hit7484:
+  store i64 %t86, ptr %a82
+  br label %find.end7486
+find.next7485:
+  %t91 = add i64 %t86, 1
+  store i64 %t91, ptr %a85
+  br label %find.cond7482
+find.end7486:
+  %t92 = load i64, ptr %a82
+  %t93 = icmp sge i64 %t92, 0
+  %t94 = xor i1 %t93, true
+  br i1 %t94, label %then7487, label %endif7489
+then7487:
+  %t95 = load ptr, ptr %a1
+  %t96 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t97 = load { ptr, i64, i64 }, ptr %t96
+  %t98 = extractvalue { ptr, i64, i64 } %t97, 1
+  %t99 = icmp uge i64 0, %t98
+  br i1 %t99, label %range7490, label %inrange7491
+range7490:
+  call void @finch_panic_index(ptr @.str.4789, i64 4383, i64 0, i64 %t98)
   unreachable
-inrange7120:
-  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.ast.Node, ptr %t97, i64 0
-  %t99 = load %S.ast.Node, ptr %t98
-  %t100 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  store { ptr, i64, i64 } %t101, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.4621, i64 37, i64 0 }, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  %t106 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t107 = load { ptr, i64, i64 }, ptr %t106
-  store { ptr, i64, i64 } %t105, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  call void @finch.gen.fail(ptr %t92, %S.ast.Node %t99, { ptr, i64, i64 } %t111)
-  br label %endif7118
-endif7118:
-  %t112 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } %t113, ptr %a114
-  call void @finch_str_copy(ptr %a115, ptr %a114)
-  %t116 = load { ptr, i64, i64 }, ptr %a115
-  %t117 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t116, 0
-  %t118 = load %S.ast.Type, ptr %a70
-  store %S.ast.Type %t118, ptr %a119
-  call void @finch.copy.S_ast_Type(ptr %a120, ptr %a119)
-  %t121 = load %S.ast.Type, ptr %a120
-  %t122 = insertvalue %S.gen.Val %t117, %S.ast.Type %t121, 1
-  ret %S.gen.Val %t122
-endif7110:
-  %t123 = load ptr, ptr %a1
-  %t124 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  %t126 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 1
-  %t127 = load %S.ast.Type, ptr %t126
-  %t128 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4622, i64 3, i64 0 })
-  %t129 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t123, { ptr, i64, i64 } %t125, %S.ast.Type %t127, %S.ast.Type %t128)
-  store { ptr, i64, i64 } %t129, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.4623, i64 0, i64 0 }, ptr %a131
-  %t132 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %t132, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  store i64 0, ptr %a135
-  br label %for.cond7121
-for.cond7121:
-  %t136 = load i64, ptr %a135
-  %t137 = icmp slt i64 %t136, %t134
-  br i1 %t137, label %for.body7122, label %for.end7124
-for.body7122:
-  %t138 = load ptr, ptr %a1
-  %t139 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.4624, i64 12, i64 0 }, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  store { ptr, i64, i64 } %t143, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.4625, i64 2, i64 0 }, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
-  %t149 = load i64, ptr %a135
-  %t150 = load { ptr, i64, i64 }, ptr %t148
-  %t151 = extractvalue { ptr, i64, i64 } %t150, 1
-  %t152 = icmp uge i64 %t149, %t151
-  br i1 %t152, label %range7125, label %inrange7126
-range7125:
-  call void @finch_panic_index(ptr @.str.4626, i64 4103, i64 %t149, i64 %t151)
+inrange7491:
+  %t100 = extractvalue { ptr, i64, i64 } %t97, 0
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %t100, i64 0
+  %t102 = load %S.ast.Node, ptr %t101
+  %t103 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.4790, i64 37, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a105
+  %t109 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %t109
+  store { ptr, i64, i64 } %t108, ptr %a112
+  store { ptr, i64, i64 } %t110, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t108, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  call void @finch.gen.fail(ptr %t95, %S.ast.Node %t102, { ptr, i64, i64 } %t115)
+  store { ptr, i64, i64 } %t115, ptr %a116
+  call void @finch_str_drop(ptr %a116)
+  br label %endif7489
+endif7489:
+  %t117 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_copy(ptr %a120, ptr %a119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  %t122 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t121, 0
+  %t123 = load %S.ast.Type, ptr %a73
+  store %S.ast.Type %t123, ptr %a124
+  call void @finch.copy.S_ast_Type(ptr %a125, ptr %a124)
+  %t126 = load %S.ast.Type, ptr %a125
+  %t127 = insertvalue %S.gen.Val %t122, %S.ast.Type %t126, 1
+  call void @finch.drop.S_ast_Type(ptr %a73)
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.S_gen_EnumDef(ptr %a17)
+  ret %S.gen.Val %t127
+endif7481:
+  %t128 = load ptr, ptr %a1
+  %t129 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 0
+  %t130 = load { ptr, i64, i64 }, ptr %t129
+  %t131 = getelementptr inbounds %S.gen.Val, ptr %a31, i32 0, i32 1
+  %t132 = load %S.ast.Type, ptr %t131
+  %t133 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4791, i64 3, i64 0 })
+  %t134 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t128, { ptr, i64, i64 } %t130, %S.ast.Type %t132, %S.ast.Type %t133)
+  store %S.ast.Type %t133, ptr %a135
+  call void @finch.drop.S_ast_Type(ptr %a135)
+  store { ptr, i64, i64 } %t134, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4792, i64 0, i64 0 }, ptr %a137
+  %t138 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t138, i32 0, i32 1
+  %t140 = load i64, ptr %t139
+  store i64 0, ptr %a141
+  br label %for.cond7492
+for.cond7492:
+  %t142 = load i64, ptr %a141
+  %t143 = icmp slt i64 %t142, %t140
+  br i1 %t143, label %for.body7493, label %for.end7495
+for.body7493:
+  %t144 = load ptr, ptr %a1
+  %t145 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4793, i64 12, i64 0 }, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  %t149 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t149, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.4794, i64 2, i64 0 }, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  store { ptr, i64, i64 } %t149, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  %t155 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 3
+  %t156 = load i64, ptr %a141
+  %t157 = load { ptr, i64, i64 }, ptr %t155
+  %t158 = extractvalue { ptr, i64, i64 } %t157, 1
+  %t159 = icmp uge i64 %t156, %t158
+  br i1 %t159, label %range7496, label %inrange7497
+range7496:
+  call void @finch_panic_index(ptr @.str.4795, i64 4390, i64 %t156, i64 %t158)
   unreachable
-inrange7126:
-  %t153 = extractvalue { ptr, i64, i64 } %t150, 0
-  %t154 = getelementptr inbounds i64, ptr %t153, i64 %t149
-  %t155 = load i64, ptr %t154
-  call void @finch_str_from_int(ptr %a156, i64 %t155)
-  %t157 = load { ptr, i64, i64 }, ptr %a156
-  store { ptr, i64, i64 } %t147, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  %t162 = call { ptr, i64, i64 } @finch.gen.op(ptr %t138, { ptr, i64, i64 } %t161)
-  store { ptr, i64, i64 } %t162, ptr %a163
-  %t164 = load i64, ptr %a135
-  %t165 = icmp eq i64 %t164, 0
-  br i1 %t165, label %then7127, label %else7128
-then7127:
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t166, ptr %a167
-  call void @finch_str_copy(ptr %a168, ptr %a167)
-  %t169 = load { ptr, i64, i64 }, ptr %a168
-  store { ptr, i64, i64 } %t169, ptr %a131
-  br label %endif7129
-else7128:
-  %t170 = load ptr, ptr %a1
-  %t171 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4627, i64 6, i64 0 }, ptr %a173
-  store { ptr, i64, i64 } %t171, ptr %a174
-  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
-  %t175 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.4628, i64 2, i64 0 }, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load { ptr, i64, i64 }, ptr %a163
-  store { ptr, i64, i64 } %t179, ptr %a182
-  store { ptr, i64, i64 } %t180, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  %t185 = call { ptr, i64, i64 } @finch.gen.op(ptr %t170, { ptr, i64, i64 } %t184)
-  store { ptr, i64, i64 } %t185, ptr %a131
-  br label %endif7129
-endif7129:
-  br label %for.step7123
-for.step7123:
-  %t186 = load i64, ptr %a135
-  %t187 = add i64 %t186, 1
-  store i64 %t187, ptr %a135
-  br label %for.cond7121
-for.end7124:
-  %t188 = load ptr, ptr %a1
-  %t189 = load ptr, ptr %a1
-  %t190 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.4629, i64 7, i64 0 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.4630, i64 6, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t189, { ptr, i64, i64 } %t198)
-  %t200 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store { ptr, i64, i64 } { ptr @.str.4631, i64 32, i64 0 }, ptr %a203
-  store { ptr, i64, i64 } %t201, ptr %a204
-  call void @finch_str_concat(ptr %a202, ptr %a203, ptr %a204)
-  %t205 = load { ptr, i64, i64 }, ptr %a202
-  %t206 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t188, { ptr, i64, i64 } %t199, { ptr, i64, i64 } %t205, %S.ast.Node %t206)
-  %t207 = load ptr, ptr %a1
-  %t208 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.4632, i64 10, i64 0 }, ptr %a210
-  store { ptr, i64, i64 } %t208, ptr %a211
-  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
-  %t212 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t212, ptr %a214
-  store { ptr, i64, i64 } { ptr @.str.4633, i64 7, i64 0 }, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  %t217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t207, { ptr, i64, i64 } %t216)
-  %t218 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t217, 0
-  %t219 = load %S.ast.Type, ptr %a70
-  store %S.ast.Type %t219, ptr %a220
-  call void @finch.copy.S_ast_Type(ptr %a221, ptr %a220)
-  %t222 = load %S.ast.Type, ptr %a221
-  %t223 = insertvalue %S.gen.Val %t218, %S.ast.Type %t222, 1
-  ret %S.gen.Val %t223
+inrange7497:
+  %t160 = extractvalue { ptr, i64, i64 } %t157, 0
+  %t161 = getelementptr inbounds i64, ptr %t160, i64 %t156
+  %t162 = load i64, ptr %t161
+  call void @finch_str_from_int(ptr %a163, i64 %t162)
+  %t164 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t154, ptr %a166
+  store { ptr, i64, i64 } %t164, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  store { ptr, i64, i64 } %t154, ptr %a168
+  call void @finch_str_drop(ptr %a168)
+  store { ptr, i64, i64 } %t164, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load { ptr, i64, i64 }, ptr %a165
+  %t171 = call { ptr, i64, i64 } @finch.gen.op(ptr %t144, { ptr, i64, i64 } %t170)
+  store { ptr, i64, i64 } %t170, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  store { ptr, i64, i64 } %t171, ptr %a173
+  %t174 = load i64, ptr %a141
+  %t175 = icmp eq i64 %t174, 0
+  br i1 %t175, label %then7498, label %else7499
+then7498:
+  %t176 = load { ptr, i64, i64 }, ptr %a173
+  store { ptr, i64, i64 } %t176, ptr %a177
+  call void @finch_str_copy(ptr %a178, ptr %a177)
+  %t179 = load { ptr, i64, i64 }, ptr %a178
+  %t180 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t179, ptr %a137
+  store { ptr, i64, i64 } %t180, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  br label %endif7500
+else7499:
+  %t182 = load ptr, ptr %a1
+  %t183 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.4796, i64 6, i64 0 }, ptr %a185
+  store { ptr, i64, i64 } %t183, ptr %a186
+  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a184
+  store { ptr, i64, i64 } %t187, ptr %a189
+  store { ptr, i64, i64 } { ptr @.str.4797, i64 2, i64 0 }, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  %t193 = load { ptr, i64, i64 }, ptr %a173
+  store { ptr, i64, i64 } %t192, ptr %a195
+  store { ptr, i64, i64 } %t193, ptr %a196
+  call void @finch_str_concat(ptr %a194, ptr %a195, ptr %a196)
+  store { ptr, i64, i64 } %t192, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a194
+  %t199 = call { ptr, i64, i64 } @finch.gen.op(ptr %t182, { ptr, i64, i64 } %t198)
+  store { ptr, i64, i64 } %t198, ptr %a200
+  call void @finch_str_drop(ptr %a200)
+  %t201 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } %t199, ptr %a137
+  store { ptr, i64, i64 } %t201, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  br label %endif7500
+endif7500:
+  call void @finch_str_drop(ptr %a173)
+  br label %for.step7494
+for.step7494:
+  %t203 = load i64, ptr %a141
+  %t204 = add i64 %t203, 1
+  store i64 %t204, ptr %a141
+  br label %for.cond7492
+for.end7495:
+  %t205 = load ptr, ptr %a1
+  %t206 = load ptr, ptr %a1
+  %t207 = load { ptr, i64, i64 }, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.4798, i64 7, i64 0 }, ptr %a209
+  store { ptr, i64, i64 } %t207, ptr %a210
+  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
+  %t211 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t211, ptr %a213
+  store { ptr, i64, i64 } { ptr @.str.4799, i64 6, i64 0 }, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  store { ptr, i64, i64 } %t211, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a212
+  %t217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t206, { ptr, i64, i64 } %t216)
+  store { ptr, i64, i64 } %t216, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  %t219 = getelementptr inbounds %S.gen.EnumDef, ptr %a17, i32 0, i32 1
+  %t220 = load { ptr, i64, i64 }, ptr %t219
+  store { ptr, i64, i64 } { ptr @.str.4800, i64 32, i64 0 }, ptr %a222
+  store { ptr, i64, i64 } %t220, ptr %a223
+  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a221
+  %t225 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t205, { ptr, i64, i64 } %t217, { ptr, i64, i64 } %t224, %S.ast.Node %t225)
+  store { ptr, i64, i64 } %t217, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  store { ptr, i64, i64 } %t224, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load ptr, ptr %a1
+  %t229 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.4801, i64 10, i64 0 }, ptr %a231
+  store { ptr, i64, i64 } %t229, ptr %a232
+  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a230
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.4802, i64 7, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  %t239 = call { ptr, i64, i64 } @finch.gen.op(ptr %t228, { ptr, i64, i64 } %t238)
+  store { ptr, i64, i64 } %t238, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t239, 0
+  %t242 = load %S.ast.Type, ptr %a73
+  store %S.ast.Type %t242, ptr %a243
+  call void @finch.copy.S_ast_Type(ptr %a244, ptr %a243)
+  %t245 = load %S.ast.Type, ptr %a244
+  %t246 = insertvalue %S.gen.Val %t241, %S.ast.Type %t245, 1
+  call void @finch_str_drop(ptr %a137)
+  call void @finch_str_drop(ptr %a136)
+  call void @finch.drop.S_ast_Type(ptr %a73)
+  call void @finch.drop.S_gen_Val(ptr %a31)
+  call void @finch.drop.S_gen_EnumDef(ptr %a17)
+  ret %S.gen.Val %t246
 }
 
 define internal { ptr, i64, i64 } @finch.gen.cExt(ptr %p0, %S.ast.Type %p1) {
@@ -63980,106 +75611,106 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4634, i64 4, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4803, i64 4, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br label %logic.from7130
-logic.from7130:
-  br i1 %t8, label %logic.end7132, label %logic.rhs7131
-logic.rhs7131:
+  br label %logic.from7501
+logic.from7501:
+  br i1 %t8, label %logic.end7503, label %logic.rhs7502
+logic.rhs7502:
   %t9 = load %S.ast.Type, ptr %a2
   %t10 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t9)
-  br label %logic.rend7133
-logic.rend7133:
-  br label %logic.end7132
-logic.end7132:
-  %t11 = phi i1 [ true, %logic.from7130 ], [ %t10, %logic.rend7133 ]
-  br i1 %t11, label %then7134, label %endif7136
-then7134:
+  br label %logic.rend7504
+logic.rend7504:
+  br label %logic.end7503
+logic.end7503:
+  %t11 = phi i1 [ true, %logic.from7501 ], [ %t10, %logic.rend7504 ]
+  br i1 %t11, label %then7505, label %endif7507
+then7505:
   %t12 = load %S.ast.Type, ptr %a2
   %t13 = call i64 @finch.gen.bitsOf(%S.ast.Type %t12)
   %t14 = icmp slt i64 %t13, 32
-  br i1 %t14, label %then7137, label %endif7139
-then7137:
-  ret { ptr, i64, i64 } { ptr @.str.4635, i64 8, i64 0 }
-endif7139:
-  br label %endif7136
-endif7136:
+  br i1 %t14, label %then7508, label %endif7510
+then7508:
+  ret { ptr, i64, i64 } { ptr @.str.4804, i64 8, i64 0 }
+endif7510:
+  br label %endif7507
+endif7507:
   %t15 = load %S.ast.Type, ptr %a2
   %t16 = call i1 @finch.gen.isSigned(%S.ast.Type %t15)
-  br label %logic.from7140
-logic.from7140:
-  br i1 %t16, label %logic.end7142, label %logic.rhs7141
-logic.rhs7141:
+  br label %logic.from7511
+logic.from7511:
+  br i1 %t16, label %logic.end7513, label %logic.rhs7512
+logic.rhs7512:
   %t17 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t18 = load { ptr, i64, i64 }, ptr %t17
   store { ptr, i64, i64 } %t18, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.4636, i64 4, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.4805, i64 4, i64 0 }, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.from7143
-logic.from7143:
-  br i1 %t22, label %logic.rhs7144, label %logic.end7145
-logic.rhs7144:
+  br label %logic.from7514
+logic.from7514:
+  br i1 %t22, label %logic.rhs7515, label %logic.end7516
+logic.rhs7515:
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic7146, label %ok7147
-panic7146:
-  call void @finch_panic(ptr @.str.4637, i64 4123, ptr @.str.4638)
+  br i1 %t24, label %panic7517, label %ok7518
+panic7517:
+  call void @finch_panic(ptr @.str.4806, i64 4410, ptr @.str.4807)
   unreachable
-ok7147:
-  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 29
+ok7518:
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %t23, i32 0, i32 30
   %t26 = load %S.platform.Target, ptr %t25
   %t27 = call i1 @finch.platform.charIsSigned(%S.platform.Target %t26)
-  br label %logic.rend7148
-logic.rend7148:
-  br label %logic.end7145
-logic.end7145:
-  %t28 = phi i1 [ false, %logic.from7143 ], [ %t27, %logic.rend7148 ]
-  br label %logic.rend7149
-logic.rend7149:
-  br label %logic.end7142
-logic.end7142:
-  %t29 = phi i1 [ true, %logic.from7140 ], [ %t28, %logic.rend7149 ]
-  br label %logic.from7150
-logic.from7150:
-  br i1 %t29, label %logic.rhs7151, label %logic.end7152
-logic.rhs7151:
+  br label %logic.rend7519
+logic.rend7519:
+  br label %logic.end7516
+logic.end7516:
+  %t28 = phi i1 [ false, %logic.from7514 ], [ %t27, %logic.rend7519 ]
+  br label %logic.rend7520
+logic.rend7520:
+  br label %logic.end7513
+logic.end7513:
+  %t29 = phi i1 [ true, %logic.from7511 ], [ %t28, %logic.rend7520 ]
+  br label %logic.from7521
+logic.from7521:
+  br i1 %t29, label %logic.rhs7522, label %logic.end7523
+logic.rhs7522:
   %t30 = load %S.ast.Type, ptr %a2
   %t31 = call i64 @finch.gen.bitsOf(%S.ast.Type %t30)
   %t32 = icmp slt i64 %t31, 32
-  br label %logic.rend7153
-logic.rend7153:
-  br label %logic.end7152
-logic.end7152:
-  %t33 = phi i1 [ false, %logic.from7150 ], [ %t32, %logic.rend7153 ]
-  br i1 %t33, label %then7154, label %endif7156
-then7154:
-  ret { ptr, i64, i64 } { ptr @.str.4639, i64 8, i64 0 }
-endif7156:
+  br label %logic.rend7524
+logic.rend7524:
+  br label %logic.end7523
+logic.end7523:
+  %t33 = phi i1 [ false, %logic.from7521 ], [ %t32, %logic.rend7524 ]
+  br i1 %t33, label %then7525, label %endif7527
+then7525:
+  ret { ptr, i64, i64 } { ptr @.str.4808, i64 8, i64 0 }
+endif7527:
   %t34 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t35 = load { ptr, i64, i64 }, ptr %t34
   store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.4640, i64 4, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.4809, i64 4, i64 0 }, ptr %a37
   %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
   %t39 = icmp ne i32 %t38, 0
-  br label %logic.from7157
-logic.from7157:
-  br i1 %t39, label %logic.rhs7158, label %logic.end7159
-logic.rhs7158:
+  br label %logic.from7528
+logic.from7528:
+  br i1 %t39, label %logic.rhs7529, label %logic.end7530
+logic.rhs7529:
   %t40 = load %S.ast.Type, ptr %a2
   %t41 = call i64 @finch.gen.bitsOf(%S.ast.Type %t40)
   %t42 = icmp slt i64 %t41, 32
-  br label %logic.rend7160
-logic.rend7160:
-  br label %logic.end7159
-logic.end7159:
-  %t43 = phi i1 [ false, %logic.from7157 ], [ %t42, %logic.rend7160 ]
-  br i1 %t43, label %then7161, label %endif7163
-then7161:
-  ret { ptr, i64, i64 } { ptr @.str.4641, i64 8, i64 0 }
-endif7163:
-  ret { ptr, i64, i64 } { ptr @.str.4642, i64 0, i64 0 }
+  br label %logic.rend7531
+logic.rend7531:
+  br label %logic.end7530
+logic.end7530:
+  %t43 = phi i1 [ false, %logic.from7528 ], [ %t42, %logic.rend7531 ]
+  br i1 %t43, label %then7532, label %endif7534
+then7532:
+  ret { ptr, i64, i64 } { ptr @.str.4810, i64 8, i64 0 }
+endif7534:
+  ret { ptr, i64, i64 } { ptr @.str.4811, i64 0, i64 0 }
 }
 
 define internal { ptr, i64, i64 } @finch.gen.cLL(ptr %p0, %S.ast.Type %p1) {
@@ -64093,13 +75724,13 @@ entry:
   %t3 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
   %t4 = load { ptr, i64, i64 }, ptr %t3
   store { ptr, i64, i64 } %t4, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.4643, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.4812, i64 3, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_eq(ptr %a5, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br i1 %t8, label %then7164, label %endif7166
-then7164:
-  ret { ptr, i64, i64 } { ptr @.str.4644, i64 3, i64 0 }
-endif7166:
+  br i1 %t8, label %then7535, label %endif7537
+then7535:
+  ret { ptr, i64, i64 } { ptr @.str.4813, i64 3, i64 0 }
+endif7537:
   %t9 = load ptr, ptr %a1
   %t10 = load %S.ast.Type, ptr %a2
   %t11 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t9, %S.ast.Type %t10)
@@ -64120,361 +75751,475 @@ entry:
   %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a59 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca i64, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca i64, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
-  %a144 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a161 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a174 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca %S.ast.Type, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca i64, align 16
-  %a208 = alloca %S.ast.Type, align 16
-  %a213 = alloca %S.ast.Type, align 16
-  %a221 = alloca %S.ast.Type, align 16
-  %a222 = alloca %S.ast.Type, align 16
-  %a234 = alloca %S.gen.Plan, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca i64, align 16
+  %a235 = alloca %S.ast.Type, align 16
+  %a240 = alloca %S.ast.Type, align 16
+  %a248 = alloca %S.ast.Type, align 16
+  %a249 = alloca %S.ast.Type, align 16
+  %a261 = alloca %S.gen.Plan, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca i64, align 16
-  %a300 = alloca %S.ast.Type, align 16
-  %a301 = alloca %S.ast.Type, align 16
-  %a303 = alloca %S.ast.Type, align 16
-  %a312 = alloca %S.gen.Abi, align 16
-  %a313 = alloca %S.gen.Abi, align 16
-  %a315 = alloca %S.gen.Abi, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a356 = alloca %S.gen.Val, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca i64, align 16
+  %a327 = alloca i64, align 16
+  %a342 = alloca %S.ast.Type, align 16
+  %a343 = alloca %S.ast.Type, align 16
+  %a345 = alloca %S.ast.Type, align 16
+  %a354 = alloca %S.gen.Abi, align 16
+  %a355 = alloca %S.gen.Abi, align 16
+  %a357 = alloca %S.gen.Abi, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
   %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a388 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a423 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca %S.gen.Val, align 16
+  %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca %S.gen.Val, align 16
+  %a406 = alloca %S.gen.Val, align 16
+  %a407 = alloca %S.gen.Val, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
+  %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
+  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca { ptr, i64, i64 }, align 16
   %a446 = alloca { ptr, i64, i64 }, align 16
   %a447 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a451 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
   %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
+  %a459 = alloca { ptr, i64, i64 }, align 16
   %a462 = alloca { ptr, i64, i64 }, align 16
-  %a473 = alloca i64, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
   %a497 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a500 = alloca { ptr, i64, i64 }, align 16
-  %a501 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
   %a515 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
-  %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a541 = alloca i64, align 16
   %a555 = alloca { ptr, i64, i64 }, align 16
-  %a563 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
+  %a568 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
   %a572 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a574 = alloca { ptr, i64, i64 }, align 16
-  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a578 = alloca { ptr, i64, i64 }, align 16
   %a588 = alloca { ptr, i64, i64 }, align 16
   %a589 = alloca { ptr, i64, i64 }, align 16
-  %a591 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
-  %a593 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a598 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca %S.gen.Val, align 16
-  %a618 = alloca %S.ast.Type, align 16
-  %a619 = alloca %S.ast.Type, align 16
-  %a621 = alloca %S.ast.Type, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a610 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a629 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
   %a639 = alloca { ptr, i64, i64 }, align 16
   %a640 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a661 = alloca { ptr, i64, i64 }, align 16
-  %a662 = alloca { ptr, i64, i64 }, align 16
+  %a648 = alloca { ptr, i64, i64 }, align 16
+  %a649 = alloca { ptr, i64, i64 }, align 16
+  %a650 = alloca { ptr, i64, i64 }, align 16
+  %a651 = alloca { ptr, i64, i64 }, align 16
   %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
   %a667 = alloca { ptr, i64, i64 }, align 16
   %a668 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
   %a679 = alloca { ptr, i64, i64 }, align 16
   %a680 = alloca { ptr, i64, i64 }, align 16
-  %a689 = alloca { ptr, i64, i64 }, align 16
-  %a690 = alloca { ptr, i64, i64 }, align 16
-  %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
-  %a698 = alloca { ptr, i64, i64 }, align 16
-  %a700 = alloca { ptr, i64, i64 }, align 16
-  %a701 = alloca { ptr, i64, i64 }, align 16
-  %a702 = alloca { ptr, i64, i64 }, align 16
-  %a710 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a730 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca %S.gen.Val, align 16
+  %a699 = alloca %S.ast.Type, align 16
+  %a700 = alloca %S.ast.Type, align 16
+  %a702 = alloca %S.ast.Type, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca %S.gen.Val, align 16
+  %a721 = alloca %S.gen.Val, align 16
   %a731 = alloca { ptr, i64, i64 }, align 16
-  %a734 = alloca { ptr, i64, i64 }, align 16
-  %a735 = alloca { ptr, i64, i64 }, align 16
-  %a736 = alloca { ptr, i64, i64 }, align 16
-  %a746 = alloca { ptr, i64, i64 }, align 16
-  %a747 = alloca { ptr, i64, i64 }, align 16
-  %a749 = alloca { ptr, i64, i64 }, align 16
-  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a732 = alloca { ptr, i64, i64 }, align 16
+  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
   %a754 = alloca { ptr, i64, i64 }, align 16
-  %a755 = alloca { ptr, i64, i64 }, align 16
-  %a761 = alloca { ptr, i64, i64 }, align 16
-  %a773 = alloca { ptr, i64, i64 }, align 16
-  %a774 = alloca { ptr, i64, i64 }, align 16
-  %a775 = alloca { ptr, i64, i64 }, align 16
-  %a777 = alloca i64, align 16
-  %a780 = alloca i64, align 16
-  %a785 = alloca { ptr, i64, i64 }, align 16
-  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca %S.ast.Type, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
+  %a773 = alloca %S.ast.Type, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a777 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca %S.ast.Type, align 16
+  %a790 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
   %a799 = alloca { ptr, i64, i64 }, align 16
-  %a800 = alloca { ptr, i64, i64 }, align 16
   %a801 = alloca { ptr, i64, i64 }, align 16
-  %a816 = alloca { ptr, i64, i64 }, align 16
+  %a802 = alloca { ptr, i64, i64 }, align 16
+  %a803 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a812 = alloca %S.ast.Type, align 16
   %a817 = alloca { ptr, i64, i64 }, align 16
   %a818 = alloca { ptr, i64, i64 }, align 16
-  %a820 = alloca { ptr, i64, i64 }, align 16
-  %a821 = alloca { ptr, i64, i64 }, align 16
-  %a822 = alloca { ptr, i64, i64 }, align 16
-  %a825 = alloca { ptr, i64, i64 }, align 16
-  %a826 = alloca { ptr, i64, i64 }, align 16
-  %a827 = alloca { ptr, i64, i64 }, align 16
-  %a829 = alloca { ptr, i64, i64 }, align 16
-  %a830 = alloca { ptr, i64, i64 }, align 16
-  %a831 = alloca { ptr, i64, i64 }, align 16
-  %a835 = alloca { ptr, i64, i64 }, align 16
-  %a836 = alloca { ptr, i64, i64 }, align 16
-  %a837 = alloca { ptr, i64, i64 }, align 16
-  %a839 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
+  %a831 = alloca %S.ast.Type, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a836 = alloca %S.ast.Type, align 16
   %a841 = alloca { ptr, i64, i64 }, align 16
+  %a842 = alloca { ptr, i64, i64 }, align 16
+  %a843 = alloca { ptr, i64, i64 }, align 16
   %a844 = alloca { ptr, i64, i64 }, align 16
-  %a845 = alloca { ptr, i64, i64 }, align 16
   %a847 = alloca { ptr, i64, i64 }, align 16
   %a848 = alloca { ptr, i64, i64 }, align 16
   %a849 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca { ptr, i64, i64 }, align 16
-  %a853 = alloca { ptr, i64, i64 }, align 16
-  %a854 = alloca { ptr, i64, i64 }, align 16
-  %a856 = alloca { ptr, i64, i64 }, align 16
-  %a857 = alloca { ptr, i64, i64 }, align 16
-  %a858 = alloca { ptr, i64, i64 }, align 16
+  %a850 = alloca { ptr, i64, i64 }, align 16
+  %a860 = alloca { ptr, i64, i64 }, align 16
+  %a861 = alloca { ptr, i64, i64 }, align 16
+  %a863 = alloca { ptr, i64, i64 }, align 16
   %a864 = alloca { ptr, i64, i64 }, align 16
   %a868 = alloca { ptr, i64, i64 }, align 16
   %a869 = alloca { ptr, i64, i64 }, align 16
-  %a871 = alloca { ptr, i64, i64 }, align 16
-  %a872 = alloca { ptr, i64, i64 }, align 16
-  %a873 = alloca { ptr, i64, i64 }, align 16
   %a876 = alloca { ptr, i64, i64 }, align 16
   %a877 = alloca { ptr, i64, i64 }, align 16
-  %a878 = alloca { ptr, i64, i64 }, align 16
-  %a880 = alloca { ptr, i64, i64 }, align 16
   %a881 = alloca { ptr, i64, i64 }, align 16
-  %a882 = alloca { ptr, i64, i64 }, align 16
-  %a885 = alloca { ptr, i64, i64 }, align 16
   %a886 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
-  %a889 = alloca { ptr, i64, i64 }, align 16
-  %a890 = alloca { ptr, i64, i64 }, align 16
-  %a891 = alloca { ptr, i64, i64 }, align 16
+  %a893 = alloca { ptr, i64, i64 }, align 16
   %a894 = alloca { ptr, i64, i64 }, align 16
   %a895 = alloca { ptr, i64, i64 }, align 16
-  %a896 = alloca { ptr, i64, i64 }, align 16
-  %a899 = alloca { ptr, i64, i64 }, align 16
-  %a900 = alloca { ptr, i64, i64 }, align 16
-  %a901 = alloca { ptr, i64, i64 }, align 16
-  %a903 = alloca { ptr, i64, i64 }, align 16
-  %a904 = alloca { ptr, i64, i64 }, align 16
+  %a897 = alloca i64, align 16
+  %a900 = alloca i64, align 16
   %a905 = alloca { ptr, i64, i64 }, align 16
-  %a909 = alloca { ptr, i64, i64 }, align 16
+  %a906 = alloca { ptr, i64, i64 }, align 16
   %a910 = alloca { ptr, i64, i64 }, align 16
-  %a911 = alloca { ptr, i64, i64 }, align 16
-  %a913 = alloca { ptr, i64, i64 }, align 16
-  %a914 = alloca { ptr, i64, i64 }, align 16
-  %a915 = alloca { ptr, i64, i64 }, align 16
-  %a918 = alloca { ptr, i64, i64 }, align 16
-  %a919 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
   %a921 = alloca { ptr, i64, i64 }, align 16
   %a922 = alloca { ptr, i64, i64 }, align 16
-  %a923 = alloca { ptr, i64, i64 }, align 16
-  %a925 = alloca { ptr, i64, i64 }, align 16
-  %a926 = alloca { ptr, i64, i64 }, align 16
-  %a927 = alloca { ptr, i64, i64 }, align 16
-  %a929 = alloca { ptr, i64, i64 }, align 16
-  %a932 = alloca { ptr, i64, i64 }, align 16
-  %a933 = alloca { ptr, i64, i64 }, align 16
-  %a939 = alloca %S.ast.Type, align 16
-  %a940 = alloca %S.ast.Type, align 16
-  %a955 = alloca %S.ast.Type, align 16
-  %a956 = alloca %S.ast.Type, align 16
+  %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a939 = alloca { ptr, i64, i64 }, align 16
+  %a941 = alloca { ptr, i64, i64 }, align 16
+  %a942 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
+  %a944 = alloca { ptr, i64, i64 }, align 16
+  %a947 = alloca { ptr, i64, i64 }, align 16
+  %a948 = alloca { ptr, i64, i64 }, align 16
+  %a949 = alloca { ptr, i64, i64 }, align 16
+  %a950 = alloca { ptr, i64, i64 }, align 16
+  %a952 = alloca { ptr, i64, i64 }, align 16
+  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a955 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
+  %a960 = alloca { ptr, i64, i64 }, align 16
+  %a961 = alloca { ptr, i64, i64 }, align 16
   %a962 = alloca { ptr, i64, i64 }, align 16
+  %a964 = alloca { ptr, i64, i64 }, align 16
+  %a965 = alloca { ptr, i64, i64 }, align 16
   %a966 = alloca { ptr, i64, i64 }, align 16
   %a967 = alloca { ptr, i64, i64 }, align 16
-  %a972 = alloca { ptr, i64, i64 }, align 16
-  %a987 = alloca %S.ast.Type, align 16
-  %a988 = alloca %S.ast.Type, align 16
-  %a993 = alloca { ptr, i64, i64 }, align 16
+  %a970 = alloca { ptr, i64, i64 }, align 16
+  %a971 = alloca { ptr, i64, i64 }, align 16
+  %a973 = alloca { ptr, i64, i64 }, align 16
+  %a974 = alloca { ptr, i64, i64 }, align 16
+  %a975 = alloca { ptr, i64, i64 }, align 16
+  %a976 = alloca { ptr, i64, i64 }, align 16
+  %a977 = alloca { ptr, i64, i64 }, align 16
+  %a980 = alloca { ptr, i64, i64 }, align 16
+  %a981 = alloca { ptr, i64, i64 }, align 16
+  %a982 = alloca { ptr, i64, i64 }, align 16
+  %a983 = alloca { ptr, i64, i64 }, align 16
+  %a985 = alloca { ptr, i64, i64 }, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
+  %a988 = alloca { ptr, i64, i64 }, align 16
   %a994 = alloca { ptr, i64, i64 }, align 16
+  %a998 = alloca { ptr, i64, i64 }, align 16
   %a999 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca { ptr, i64, i64 }, align 16
+  %a1002 = alloca { ptr, i64, i64 }, align 16
+  %a1003 = alloca { ptr, i64, i64 }, align 16
   %a1004 = alloca { ptr, i64, i64 }, align 16
-  %a1005 = alloca { ptr, i64, i64 }, align 16
-  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a1007 = alloca { ptr, i64, i64 }, align 16
   %a1008 = alloca { ptr, i64, i64 }, align 16
   %a1009 = alloca { ptr, i64, i64 }, align 16
   %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
   %a1013 = alloca { ptr, i64, i64 }, align 16
   %a1014 = alloca { ptr, i64, i64 }, align 16
   %a1015 = alloca { ptr, i64, i64 }, align 16
-  %a1017 = alloca { ptr, i64, i64 }, align 16
   %a1018 = alloca { ptr, i64, i64 }, align 16
-  %a1019 = alloca { ptr, i64, i64 }, align 16
-  %a1026 = alloca %S.ast.Type, align 16
-  %a1027 = alloca %S.ast.Type, align 16
+  %a1020 = alloca { ptr, i64, i64 }, align 16
+  %a1021 = alloca { ptr, i64, i64 }, align 16
+  %a1022 = alloca { ptr, i64, i64 }, align 16
+  %a1024 = alloca { ptr, i64, i64 }, align 16
+  %a1025 = alloca { ptr, i64, i64 }, align 16
+  %a1026 = alloca { ptr, i64, i64 }, align 16
+  %a1027 = alloca { ptr, i64, i64 }, align 16
+  %a1030 = alloca { ptr, i64, i64 }, align 16
   %a1031 = alloca { ptr, i64, i64 }, align 16
   %a1032 = alloca { ptr, i64, i64 }, align 16
-  %a1036 = alloca %S.ast.Type, align 16
-  %a1037 = alloca %S.ast.Type, align 16
+  %a1033 = alloca { ptr, i64, i64 }, align 16
+  %a1036 = alloca { ptr, i64, i64 }, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
+  %a1038 = alloca { ptr, i64, i64 }, align 16
+  %a1039 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
+  %a1042 = alloca { ptr, i64, i64 }, align 16
+  %a1043 = alloca { ptr, i64, i64 }, align 16
+  %a1044 = alloca { ptr, i64, i64 }, align 16
+  %a1048 = alloca { ptr, i64, i64 }, align 16
+  %a1049 = alloca { ptr, i64, i64 }, align 16
+  %a1050 = alloca { ptr, i64, i64 }, align 16
+  %a1051 = alloca { ptr, i64, i64 }, align 16
+  %a1053 = alloca { ptr, i64, i64 }, align 16
+  %a1054 = alloca { ptr, i64, i64 }, align 16
+  %a1055 = alloca { ptr, i64, i64 }, align 16
+  %a1056 = alloca { ptr, i64, i64 }, align 16
+  %a1059 = alloca { ptr, i64, i64 }, align 16
+  %a1060 = alloca { ptr, i64, i64 }, align 16
+  %a1062 = alloca { ptr, i64, i64 }, align 16
+  %a1063 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
+  %a1065 = alloca { ptr, i64, i64 }, align 16
+  %a1066 = alloca { ptr, i64, i64 }, align 16
+  %a1068 = alloca { ptr, i64, i64 }, align 16
+  %a1069 = alloca { ptr, i64, i64 }, align 16
+  %a1070 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca { ptr, i64, i64 }, align 16
+  %a1073 = alloca { ptr, i64, i64 }, align 16
+  %a1076 = alloca { ptr, i64, i64 }, align 16
+  %a1077 = alloca { ptr, i64, i64 }, align 16
+  %a1086 = alloca %S.ast.Type, align 16
+  %a1087 = alloca %S.ast.Type, align 16
+  %a1103 = alloca { ptr, i64, i64 }, align 16
+  %a1106 = alloca %S.ast.Type, align 16
+  %a1107 = alloca %S.ast.Type, align 16
+  %a1113 = alloca { ptr, i64, i64 }, align 16
+  %a1120 = alloca { ptr, i64, i64 }, align 16
+  %a1121 = alloca { ptr, i64, i64 }, align 16
+  %a1126 = alloca { ptr, i64, i64 }, align 16
+  %a1139 = alloca { ptr, i64, i64 }, align 16
+  %a1142 = alloca %S.ast.Type, align 16
+  %a1143 = alloca %S.ast.Type, align 16
+  %a1148 = alloca { ptr, i64, i64 }, align 16
+  %a1149 = alloca { ptr, i64, i64 }, align 16
+  %a1154 = alloca { ptr, i64, i64 }, align 16
+  %a1159 = alloca { ptr, i64, i64 }, align 16
+  %a1160 = alloca { ptr, i64, i64 }, align 16
+  %a1161 = alloca { ptr, i64, i64 }, align 16
+  %a1163 = alloca { ptr, i64, i64 }, align 16
+  %a1164 = alloca { ptr, i64, i64 }, align 16
+  %a1165 = alloca { ptr, i64, i64 }, align 16
+  %a1166 = alloca { ptr, i64, i64 }, align 16
+  %a1169 = alloca { ptr, i64, i64 }, align 16
+  %a1170 = alloca { ptr, i64, i64 }, align 16
+  %a1171 = alloca { ptr, i64, i64 }, align 16
+  %a1172 = alloca { ptr, i64, i64 }, align 16
+  %a1174 = alloca { ptr, i64, i64 }, align 16
+  %a1175 = alloca { ptr, i64, i64 }, align 16
+  %a1176 = alloca { ptr, i64, i64 }, align 16
+  %a1177 = alloca { ptr, i64, i64 }, align 16
+  %a1179 = alloca { ptr, i64, i64 }, align 16
+  %a1185 = alloca %S.ast.Type, align 16
+  %a1186 = alloca %S.ast.Type, align 16
+  %a1190 = alloca { ptr, i64, i64 }, align 16
+  %a1191 = alloca { ptr, i64, i64 }, align 16
+  %a1195 = alloca %S.ast.Type, align 16
+  %a1196 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store %S.cimport.CFunc %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic7167, label %ok7168
-panic7167:
-  call void @finch_panic(ptr @.str.4645, i64 4140, ptr @.str.4646)
+  br i1 %t5, label %panic7538, label %ok7539
+panic7538:
+  call void @finch_panic(ptr @.str.4814, i64 4427, ptr @.str.4815)
   unreachable
-ok7168:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok7539:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
-  br i1 %t7, label %then7169, label %endif7171
-then7169:
+  br i1 %t7, label %then7540, label %endif7542
+then7540:
   store { ptr, i64, i64 } zeroinitializer, ptr %a8
   %t9 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
   store i64 0, ptr %a10
-  br label %each.cond7172
-each.cond7172:
+  br label %each.cond7543
+each.cond7543:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = load i64, ptr %a10
   %t14 = icmp slt i64 %t13, %t12
-  br i1 %t14, label %each.body7173, label %each.end7175
-each.body7173:
+  br i1 %t14, label %each.body7544, label %each.end7546
+each.body7544:
   %t15 = load ptr, ptr %t9
   %t16 = getelementptr inbounds %S.ast.Type, ptr %t15, i64 %t13
   %t17 = load %S.ast.Type, ptr %t16
@@ -64489,27 +76234,27 @@ each.body7173:
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t24, i64 %t22
   store { ptr, i64, i64 } %t21, ptr %t25
   store i64 %t23, ptr %t19
-  br label %each.step7174
-each.step7174:
+  br label %each.step7545
+each.step7545:
   %t26 = load i64, ptr %a10
   %t27 = add i64 %t26, 1
   store i64 %t27, ptr %a10
-  br label %each.cond7172
-each.end7175:
+  br label %each.cond7543
+each.end7546:
   %t28 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
   %t29 = load i1, ptr %t28
-  br i1 %t29, label %then7176, label %endif7178
-then7176:
+  br i1 %t29, label %then7547, label %endif7549
+then7547:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = add i64 %t31, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t32, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t33 = load ptr, ptr %a8
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
-  store { ptr, i64, i64 } { ptr @.str.4647, i64 3, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.4816, i64 3, i64 0 }, ptr %t34
   store i64 %t32, ptr %t30
-  br label %endif7178
-endif7178:
+  br label %endif7549
+endif7549:
   %t35 = load ptr, ptr %a1
   %t36 = load %S.ast.Node, ptr %a2
   %t37 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
@@ -64519,1327 +76264,1727 @@ endif7178:
   %t41 = load i64, ptr %t40
   %t42 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 1
   %t43 = load { ptr, i64, i64 }, ptr %t42
-  store { ptr, i64, i64 } { ptr @.str.4648, i64 17, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.4817, i64 17, i64 0 }, ptr %a45
   store { ptr, i64, i64 } %t43, ptr %a46
   call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
   %t47 = load { ptr, i64, i64 }, ptr %a44
   store { ptr, i64, i64 } %t47, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.4649, i64 7, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.4818, i64 7, i64 0 }, ptr %a50
   call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  %t52 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
-  %t53 = load %S.ast.Type, ptr %t52
-  %t54 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t53)
-  store { ptr, i64, i64 } %t51, ptr %a56
-  store { ptr, i64, i64 } %t54, ptr %a57
-  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
-  %t58 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t58, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.4650, i64 1, i64 0 }, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  %t63 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t64 = load { ptr, i64, i64 }, ptr %t63
-  store { ptr, i64, i64 } %t62, ptr %a66
-  store { ptr, i64, i64 } %t64, ptr %a67
-  call void @finch_str_concat(ptr %a65, ptr %a66, ptr %a67)
-  %t68 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } %t68, ptr %a70
-  store { ptr, i64, i64 } { ptr @.str.4651, i64 1, i64 0 }, ptr %a71
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
+  %t54 = load %S.ast.Type, ptr %t53
+  %t55 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t54)
+  store { ptr, i64, i64 } %t52, ptr %a57
+  store { ptr, i64, i64 } %t55, ptr %a58
+  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
+  store { ptr, i64, i64 } %t52, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a56
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.4819, i64 1, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t68 = load { ptr, i64, i64 }, ptr %t67
+  store { ptr, i64, i64 } %t66, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
   call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4652, i64 2, i64 0 }, ptr %a74
-  call void @finch_str_join(ptr %a75, ptr %a8, ptr %a74)
-  %t76 = load { ptr, i64, i64 }, ptr %a75
-  store { ptr, i64, i64 } %t72, ptr %a78
-  store { ptr, i64, i64 } %t76, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  store { ptr, i64, i64 } %t80, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.4653, i64 5, i64 0 }, ptr %a83
-  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
-  %t84 = load { ptr, i64, i64 }, ptr %a81
-  call void @finch.gen.noteRef(ptr %t35, %S.ast.Node %t36, i64 %t38, i64 %t41, { ptr, i64, i64 } %t84, { ptr, i64, i64 } { ptr @.str.4654, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif7171
-endif7171:
-  %t85 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
-  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
-  %t87 = load i64, ptr %t86
-  %t88 = icmp sgt i64 %t87, 0
-  br i1 %t88, label %then7179, label %endif7181
-then7179:
-  %t89 = load ptr, ptr %a1
-  %t90 = load %S.ast.Node, ptr %a2
-  %t91 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t92 = load { ptr, i64, i64 }, ptr %t91
-  store { ptr, i64, i64 } { ptr @.str.4655, i64 16, i64 0 }, ptr %a94
-  store { ptr, i64, i64 } %t92, ptr %a95
-  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
-  %t96 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.4656, i64 35, i64 0 }, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
+  store { ptr, i64, i64 } %t66, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t73, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.4820, i64 1, i64 0 }, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4821, i64 2, i64 0 }, ptr %a80
+  call void @finch_str_join(ptr %a81, ptr %a8, ptr %a80)
+  %t82 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t78, ptr %a84
+  store { ptr, i64, i64 } %t82, ptr %a85
+  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
+  store { ptr, i64, i64 } %t78, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  store { ptr, i64, i64 } %t82, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t88, ptr %a90
+  store { ptr, i64, i64 } { ptr @.str.4822, i64 5, i64 0 }, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t88, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  call void @finch.gen.noteRef(ptr %t35, %S.ast.Node %t36, i64 %t38, i64 %t41, { ptr, i64, i64 } %t93, { ptr, i64, i64 } { ptr @.str.4823, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  call void @finch.drop.arr_str(ptr %a8)
+  br label %endif7542
+endif7542:
+  %t95 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i32 0, i32 1
+  %t97 = load i64, ptr %t96
+  %t98 = icmp sgt i64 %t97, 0
+  br i1 %t98, label %then7550, label %endif7552
+then7550:
+  %t99 = load ptr, ptr %a1
+  %t100 = load %S.ast.Node, ptr %a2
+  %t101 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
   %t102 = load { ptr, i64, i64 }, ptr %t101
-  store { ptr, i64, i64 } %t100, ptr %a104
+  store { ptr, i64, i64 } { ptr @.str.4824, i64 16, i64 0 }, ptr %a104
   store { ptr, i64, i64 } %t102, ptr %a105
   call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
   %t106 = load { ptr, i64, i64 }, ptr %a103
-  call void @finch.gen.fail(ptr %t89, %S.ast.Node %t90, { ptr, i64, i64 } %t106)
-  br label %endif7181
-endif7181:
-  %t107 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t108 = getelementptr inbounds { ptr, i64, i64 }, ptr %t107, i32 0, i32 1
-  %t109 = load i64, ptr %t108
-  store i64 %t109, ptr %a110
-  %t111 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
-  %t112 = load i1, ptr %t111
-  br i1 %t112, label %then7182, label %else7183
-then7182:
-  %t113 = load i64, ptr %a110
-  %t114 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
-  %t116 = load i64, ptr %t115
-  %t117 = icmp slt i64 %t113, %t116
-  br i1 %t117, label %then7185, label %endif7187
-then7185:
-  %t118 = load ptr, ptr %a1
-  %t119 = load %S.ast.Node, ptr %a2
-  %t120 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t121 = load { ptr, i64, i64 }, ptr %t120
-  store { ptr, i64, i64 } { ptr @.str.4657, i64 1, i64 0 }, ptr %a123
-  store { ptr, i64, i64 } %t121, ptr %a124
-  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
-  %t125 = load { ptr, i64, i64 }, ptr %a122
-  store { ptr, i64, i64 } %t125, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.4658, i64 17, i64 0 }, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  call void @finch_str_from_int(ptr %a133, i64 %t132)
-  %t134 = load { ptr, i64, i64 }, ptr %a133
-  store { ptr, i64, i64 } %t129, ptr %a136
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.4825, i64 35, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 5
+  %t113 = load { ptr, i64, i64 }, ptr %t112
+  store { ptr, i64, i64 } %t111, ptr %a115
+  store { ptr, i64, i64 } %t113, ptr %a116
+  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
+  store { ptr, i64, i64 } %t111, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  %t118 = load { ptr, i64, i64 }, ptr %a114
+  call void @finch.gen.fail(ptr %t99, %S.ast.Node %t100, { ptr, i64, i64 } %t118)
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  br label %endif7552
+endif7552:
+  %t120 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t121 = getelementptr inbounds { ptr, i64, i64 }, ptr %t120, i32 0, i32 1
+  %t122 = load i64, ptr %t121
+  store i64 %t122, ptr %a123
+  %t124 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
+  %t125 = load i1, ptr %t124
+  br i1 %t125, label %then7553, label %else7554
+then7553:
+  %t126 = load i64, ptr %a123
+  %t127 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i32 0, i32 1
+  %t129 = load i64, ptr %t128
+  %t130 = icmp slt i64 %t126, %t129
+  br i1 %t130, label %then7556, label %endif7558
+then7556:
+  %t131 = load ptr, ptr %a1
+  %t132 = load %S.ast.Node, ptr %a2
+  %t133 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t134 = load { ptr, i64, i64 }, ptr %t133
+  store { ptr, i64, i64 } { ptr @.str.4826, i64 1, i64 0 }, ptr %a136
   store { ptr, i64, i64 } %t134, ptr %a137
   call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
   %t138 = load { ptr, i64, i64 }, ptr %a135
   store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.4659, i64 22, i64 0 }, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.4827, i64 17, i64 0 }, ptr %a141
   call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load i64, ptr %a110
-  call void @finch_str_from_int(ptr %a144, i64 %t143)
-  %t145 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t142, ptr %a147
-  store { ptr, i64, i64 } %t145, ptr %a148
-  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
-  %t149 = load { ptr, i64, i64 }, ptr %a146
-  call void @finch.gen.fail(ptr %t118, %S.ast.Node %t119, { ptr, i64, i64 } %t149)
-  br label %endif7187
-endif7187:
-  br label %endif7184
-else7183:
-  %t150 = load i64, ptr %a110
-  %t151 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
-  %t153 = load i64, ptr %t152
-  %t154 = icmp ne i64 %t150, %t153
-  br i1 %t154, label %then7188, label %endif7190
-then7188:
-  %t155 = load ptr, ptr %a1
-  %t156 = load %S.ast.Node, ptr %a2
-  %t157 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t158 = load { ptr, i64, i64 }, ptr %t157
-  store { ptr, i64, i64 } { ptr @.str.4660, i64 1, i64 0 }, ptr %a160
-  store { ptr, i64, i64 } %t158, ptr %a161
-  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
-  %t162 = load { ptr, i64, i64 }, ptr %a159
-  store { ptr, i64, i64 } %t162, ptr %a164
-  store { ptr, i64, i64 } { ptr @.str.4661, i64 8, i64 0 }, ptr %a165
+  store { ptr, i64, i64 } %t138, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a139
+  %t144 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %t144, i32 0, i32 1
+  %t146 = load i64, ptr %t145
+  call void @finch_str_from_int(ptr %a147, i64 %t146)
+  %t148 = load { ptr, i64, i64 }, ptr %a147
+  store { ptr, i64, i64 } %t143, ptr %a150
+  store { ptr, i64, i64 } %t148, ptr %a151
+  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
+  store { ptr, i64, i64 } %t143, ptr %a152
+  call void @finch_str_drop(ptr %a152)
+  store { ptr, i64, i64 } %t148, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a149
+  store { ptr, i64, i64 } %t154, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.4828, i64 22, i64 0 }, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t154, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load { ptr, i64, i64 }, ptr %a155
+  %t160 = load i64, ptr %a123
+  call void @finch_str_from_int(ptr %a161, i64 %t160)
+  %t162 = load { ptr, i64, i64 }, ptr %a161
+  store { ptr, i64, i64 } %t159, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
   call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  %t167 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t168 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
-  %t169 = load i64, ptr %t168
-  call void @finch_str_from_int(ptr %a170, i64 %t169)
-  %t171 = load { ptr, i64, i64 }, ptr %a170
-  store { ptr, i64, i64 } %t166, ptr %a173
-  store { ptr, i64, i64 } %t171, ptr %a174
-  call void @finch_str_concat(ptr %a172, ptr %a173, ptr %a174)
-  %t175 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.4662, i64 22, i64 0 }, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load i64, ptr %a110
-  call void @finch_str_from_int(ptr %a181, i64 %t180)
-  %t182 = load { ptr, i64, i64 }, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a184
-  store { ptr, i64, i64 } %t182, ptr %a185
+  store { ptr, i64, i64 } %t159, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  store { ptr, i64, i64 } %t162, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a163
+  call void @finch.gen.fail(ptr %t131, %S.ast.Node %t132, { ptr, i64, i64 } %t168)
+  store { ptr, i64, i64 } %t168, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  br label %endif7558
+endif7558:
+  br label %endif7555
+else7554:
+  %t170 = load i64, ptr %a123
+  %t171 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %t171, i32 0, i32 1
+  %t173 = load i64, ptr %t172
+  %t174 = icmp ne i64 %t170, %t173
+  br i1 %t174, label %then7559, label %endif7561
+then7559:
+  %t175 = load ptr, ptr %a1
+  %t176 = load %S.ast.Node, ptr %a2
+  %t177 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t178 = load { ptr, i64, i64 }, ptr %t177
+  store { ptr, i64, i64 } { ptr @.str.4829, i64 1, i64 0 }, ptr %a180
+  store { ptr, i64, i64 } %t178, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a179
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.4830, i64 8, i64 0 }, ptr %a185
   call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
-  %t186 = load { ptr, i64, i64 }, ptr %a183
-  call void @finch.gen.fail(ptr %t155, %S.ast.Node %t156, { ptr, i64, i64 } %t186)
-  br label %endif7190
-endif7190:
-  br label %endif7184
-endif7184:
-  %t187 = load ptr, ptr %a1
-  %t188 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
-  %t189 = load %S.ast.Type, ptr %t188
-  %t190 = load %S.ast.Node, ptr %a2
-  %t191 = call %S.ast.Type @finch.gen.resolve(ptr %t187, %S.ast.Type %t189, %S.ast.Node %t190)
-  store %S.ast.Type %t191, ptr %a192
-  %t193 = load ptr, ptr %a1
-  %t194 = load %S.ast.Node, ptr %a2
-  %t195 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t196 = load { ptr, i64, i64 }, ptr %t195
-  %t197 = load %S.ast.Type, ptr %a192
-  call void @finch.gen.checkByValue(ptr %t193, %S.ast.Node %t194, { ptr, i64, i64 } %t196, %S.ast.Type %t197, { ptr, i64, i64 } { ptr @.str.4663, i64 7, i64 0 })
-  store { ptr, i64, i64 } zeroinitializer, ptr %a198
-  %t199 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  store i64 0, ptr %a200
-  br label %each.cond7191
-each.cond7191:
-  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i32 0, i32 1
-  %t202 = load i64, ptr %t201
-  %t203 = load i64, ptr %a200
-  %t204 = icmp slt i64 %t203, %t202
-  br i1 %t204, label %each.body7192, label %each.end7194
-each.body7192:
-  %t205 = load ptr, ptr %t199
-  %t206 = getelementptr inbounds %S.ast.Type, ptr %t205, i64 %t203
-  %t207 = load %S.ast.Type, ptr %t206
-  store %S.ast.Type %t207, ptr %a208
-  %t209 = load ptr, ptr %a1
-  %t210 = load %S.ast.Type, ptr %a208
-  %t211 = load %S.ast.Node, ptr %a2
-  %t212 = call %S.ast.Type @finch.gen.resolve(ptr %t209, %S.ast.Type %t210, %S.ast.Node %t211)
-  store %S.ast.Type %t212, ptr %a213
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i32 0, i32 1
+  %t190 = load i64, ptr %t189
+  call void @finch_str_from_int(ptr %a191, i64 %t190)
+  %t192 = load { ptr, i64, i64 }, ptr %a191
+  store { ptr, i64, i64 } %t187, ptr %a194
+  store { ptr, i64, i64 } %t192, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  store { ptr, i64, i64 } %t187, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  store { ptr, i64, i64 } %t192, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  %t198 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t198, ptr %a200
+  store { ptr, i64, i64 } { ptr @.str.4831, i64 22, i64 0 }, ptr %a201
+  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
+  store { ptr, i64, i64 } %t198, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a199
+  %t204 = load i64, ptr %a123
+  call void @finch_str_from_int(ptr %a205, i64 %t204)
+  %t206 = load { ptr, i64, i64 }, ptr %a205
+  store { ptr, i64, i64 } %t203, ptr %a208
+  store { ptr, i64, i64 } %t206, ptr %a209
+  call void @finch_str_concat(ptr %a207, ptr %a208, ptr %a209)
+  store { ptr, i64, i64 } %t203, ptr %a210
+  call void @finch_str_drop(ptr %a210)
+  store { ptr, i64, i64 } %t206, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load { ptr, i64, i64 }, ptr %a207
+  call void @finch.gen.fail(ptr %t175, %S.ast.Node %t176, { ptr, i64, i64 } %t212)
+  store { ptr, i64, i64 } %t212, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %endif7561
+endif7561:
+  br label %endif7555
+endif7555:
   %t214 = load ptr, ptr %a1
-  %t215 = load %S.ast.Node, ptr %a2
-  %t216 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t217 = load { ptr, i64, i64 }, ptr %t216
-  %t218 = load %S.ast.Type, ptr %a213
-  call void @finch.gen.checkByValue(ptr %t214, %S.ast.Node %t215, { ptr, i64, i64 } %t217, %S.ast.Type %t218, { ptr, i64, i64 } { ptr @.str.4664, i64 5, i64 0 })
-  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %a198, i32 0, i32 1
-  %t220 = load %S.ast.Type, ptr %a213
-  store %S.ast.Type %t220, ptr %a221
-  call void @finch.copy.S_ast_Type(ptr %a222, ptr %a221)
-  %t223 = load %S.ast.Type, ptr %a222
-  %t224 = load i64, ptr %t219
-  %t225 = add i64 %t224, 1
-  call void @finch_arr_reserve(ptr %a198, i64 %t225, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t226 = load ptr, ptr %a198
-  %t227 = getelementptr inbounds %S.ast.Type, ptr %t226, i64 %t224
-  store %S.ast.Type %t223, ptr %t227
-  store i64 %t225, ptr %t219
-  br label %each.step7193
-each.step7193:
-  %t228 = load i64, ptr %a200
-  %t229 = add i64 %t228, 1
-  store i64 %t229, ptr %a200
-  br label %each.cond7191
-each.end7194:
-  %t230 = load ptr, ptr %a1
-  %t231 = load %S.ast.Type, ptr %a192
-  %t232 = load { ptr, i64, i64 }, ptr %a198
-  %t233 = call %S.gen.Plan @finch.gen.makePlan(ptr %t230, %S.ast.Type %t231, { ptr, i64, i64 } %t232)
-  store %S.gen.Plan %t233, ptr %a234
-  store { ptr, i64, i64 } zeroinitializer, ptr %a235
-  store { ptr, i64, i64 } zeroinitializer, ptr %a236
-  store { ptr, i64, i64 } { ptr @.str.4665, i64 0, i64 0 }, ptr %a237
-  %t238 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 3
-  %t239 = load i1, ptr %t238
-  br i1 %t239, label %then7195, label %endif7197
-then7195:
-  %t240 = load ptr, ptr %a1
+  %t215 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 2
+  %t216 = load %S.ast.Type, ptr %t215
+  %t217 = load %S.ast.Node, ptr %a2
+  %t218 = call %S.ast.Type @finch.gen.resolve(ptr %t214, %S.ast.Type %t216, %S.ast.Node %t217)
+  store %S.ast.Type %t218, ptr %a219
+  %t220 = load ptr, ptr %a1
+  %t221 = load %S.ast.Node, ptr %a2
+  %t222 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t223 = load { ptr, i64, i64 }, ptr %t222
+  %t224 = load %S.ast.Type, ptr %a219
+  call void @finch.gen.checkByValue(ptr %t220, %S.ast.Node %t221, { ptr, i64, i64 } %t223, %S.ast.Type %t224, { ptr, i64, i64 } { ptr @.str.4832, i64 7, i64 0 })
+  store { ptr, i64, i64 } zeroinitializer, ptr %a225
+  %t226 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  store i64 0, ptr %a227
+  br label %each.cond7562
+each.cond7562:
+  %t228 = getelementptr inbounds { ptr, i64, i64 }, ptr %t226, i32 0, i32 1
+  %t229 = load i64, ptr %t228
+  %t230 = load i64, ptr %a227
+  %t231 = icmp slt i64 %t230, %t229
+  br i1 %t231, label %each.body7563, label %each.end7565
+each.body7563:
+  %t232 = load ptr, ptr %t226
+  %t233 = getelementptr inbounds %S.ast.Type, ptr %t232, i64 %t230
+  %t234 = load %S.ast.Type, ptr %t233
+  store %S.ast.Type %t234, ptr %a235
+  %t236 = load ptr, ptr %a1
+  %t237 = load %S.ast.Type, ptr %a235
+  %t238 = load %S.ast.Node, ptr %a2
+  %t239 = call %S.ast.Type @finch.gen.resolve(ptr %t236, %S.ast.Type %t237, %S.ast.Node %t238)
+  store %S.ast.Type %t239, ptr %a240
   %t241 = load ptr, ptr %a1
-  %t242 = load %S.ast.Type, ptr %a192
-  %t243 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t241, %S.ast.Type %t242)
-  %t244 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t240, { ptr, i64, i64 } %t243)
-  store { ptr, i64, i64 } %t244, ptr %a237
-  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t246 = load ptr, ptr %a1
-  %t247 = load %S.ast.Type, ptr %a192
-  %t248 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t246, %S.ast.Type %t247)
-  store { ptr, i64, i64 } { ptr @.str.4666, i64 9, i64 0 }, ptr %a250
-  store { ptr, i64, i64 } %t248, ptr %a251
-  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  store { ptr, i64, i64 } %t252, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.4667, i64 10, i64 0 }, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  %t257 = load i64, ptr %t245
-  %t258 = add i64 %t257, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t258, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t259 = load ptr, ptr %a235
-  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i64 %t257
-  store { ptr, i64, i64 } %t256, ptr %t260
-  store i64 %t258, ptr %t245
-  %t261 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t262 = load ptr, ptr %a1
-  %t263 = load %S.ast.Type, ptr %a192
-  %t264 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t262, %S.ast.Type %t263)
-  store { ptr, i64, i64 } { ptr @.str.4668, i64 9, i64 0 }, ptr %a266
-  store { ptr, i64, i64 } %t264, ptr %a267
-  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
-  %t268 = load { ptr, i64, i64 }, ptr %a265
-  store { ptr, i64, i64 } %t268, ptr %a270
-  store { ptr, i64, i64 } { ptr @.str.4669, i64 11, i64 0 }, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  %t273 = load { ptr, i64, i64 }, ptr %a237
-  store { ptr, i64, i64 } %t272, ptr %a275
-  store { ptr, i64, i64 } %t273, ptr %a276
-  call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
-  %t277 = load { ptr, i64, i64 }, ptr %a274
-  %t278 = load i64, ptr %t261
-  %t279 = add i64 %t278, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t279, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t280 = load ptr, ptr %a236
-  %t281 = getelementptr inbounds { ptr, i64, i64 }, ptr %t280, i64 %t278
-  store { ptr, i64, i64 } %t277, ptr %t281
-  store i64 %t279, ptr %t261
-  br label %endif7197
-endif7197:
-  %t282 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t283 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
-  %t284 = load i64, ptr %t283
-  store i64 0, ptr %a285
-  br label %for.cond7198
-for.cond7198:
-  %t286 = load i64, ptr %a285
-  %t287 = icmp slt i64 %t286, %t284
-  br i1 %t287, label %for.body7199, label %for.end7201
-for.body7199:
-  %t288 = load i64, ptr %a285
-  %t289 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
-  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i32 0, i32 1
-  %t291 = load i64, ptr %t290
-  %t292 = icmp slt i64 %t288, %t291
-  br i1 %t292, label %then7202, label %endif7204
-then7202:
-  %t293 = load i64, ptr %a285
-  %t294 = load { ptr, i64, i64 }, ptr %a198
-  %t295 = extractvalue { ptr, i64, i64 } %t294, 1
-  %t296 = icmp uge i64 %t293, %t295
-  br i1 %t296, label %range7205, label %inrange7206
-range7205:
-  call void @finch_panic_index(ptr @.str.4670, i64 4180, i64 %t293, i64 %t295)
+  %t242 = load %S.ast.Node, ptr %a2
+  %t243 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t244 = load { ptr, i64, i64 }, ptr %t243
+  %t245 = load %S.ast.Type, ptr %a240
+  call void @finch.gen.checkByValue(ptr %t241, %S.ast.Node %t242, { ptr, i64, i64 } %t244, %S.ast.Type %t245, { ptr, i64, i64 } { ptr @.str.4833, i64 5, i64 0 })
+  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %a225, i32 0, i32 1
+  %t247 = load %S.ast.Type, ptr %a240
+  store %S.ast.Type %t247, ptr %a248
+  call void @finch.copy.S_ast_Type(ptr %a249, ptr %a248)
+  %t250 = load %S.ast.Type, ptr %a249
+  %t251 = load i64, ptr %t246
+  %t252 = add i64 %t251, 1
+  call void @finch_arr_reserve(ptr %a225, i64 %t252, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t253 = load ptr, ptr %a225
+  %t254 = getelementptr inbounds %S.ast.Type, ptr %t253, i64 %t251
+  store %S.ast.Type %t250, ptr %t254
+  store i64 %t252, ptr %t246
+  call void @finch.drop.S_ast_Type(ptr %a240)
+  br label %each.step7564
+each.step7564:
+  %t255 = load i64, ptr %a227
+  %t256 = add i64 %t255, 1
+  store i64 %t256, ptr %a227
+  br label %each.cond7562
+each.end7565:
+  %t257 = load ptr, ptr %a1
+  %t258 = load %S.ast.Type, ptr %a219
+  %t259 = load { ptr, i64, i64 }, ptr %a225
+  %t260 = call %S.gen.Plan @finch.gen.makePlan(ptr %t257, %S.ast.Type %t258, { ptr, i64, i64 } %t259)
+  store %S.gen.Plan %t260, ptr %a261
+  store { ptr, i64, i64 } zeroinitializer, ptr %a262
+  store { ptr, i64, i64 } zeroinitializer, ptr %a263
+  store { ptr, i64, i64 } { ptr @.str.4834, i64 0, i64 0 }, ptr %a264
+  %t265 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 3
+  %t266 = load i1, ptr %t265
+  br i1 %t266, label %then7566, label %endif7568
+then7566:
+  %t267 = load ptr, ptr %a1
+  %t268 = load ptr, ptr %a1
+  %t269 = load %S.ast.Type, ptr %a219
+  %t270 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t268, %S.ast.Type %t269)
+  %t271 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t267, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t271, ptr %a264
+  store { ptr, i64, i64 } %t273, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  %t275 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t276 = load ptr, ptr %a1
+  %t277 = load %S.ast.Type, ptr %a219
+  %t278 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t276, %S.ast.Type %t277)
+  store { ptr, i64, i64 } { ptr @.str.4835, i64 9, i64 0 }, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.4836, i64 10, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  %t289 = load i64, ptr %t275
+  %t290 = add i64 %t289, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t290, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t291 = load ptr, ptr %a262
+  %t292 = getelementptr inbounds { ptr, i64, i64 }, ptr %t291, i64 %t289
+  store { ptr, i64, i64 } %t288, ptr %t292
+  store i64 %t290, ptr %t275
+  %t293 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t294 = load ptr, ptr %a1
+  %t295 = load %S.ast.Type, ptr %a219
+  %t296 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t294, %S.ast.Type %t295)
+  store { ptr, i64, i64 } { ptr @.str.4837, i64 9, i64 0 }, ptr %a298
+  store { ptr, i64, i64 } %t296, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  store { ptr, i64, i64 } %t296, ptr %a300
+  call void @finch_str_drop(ptr %a300)
+  %t301 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } %t301, ptr %a303
+  store { ptr, i64, i64 } { ptr @.str.4838, i64 11, i64 0 }, ptr %a304
+  call void @finch_str_concat(ptr %a302, ptr %a303, ptr %a304)
+  store { ptr, i64, i64 } %t301, ptr %a305
+  call void @finch_str_drop(ptr %a305)
+  %t306 = load { ptr, i64, i64 }, ptr %a302
+  %t307 = load { ptr, i64, i64 }, ptr %a264
+  store { ptr, i64, i64 } %t306, ptr %a309
+  store { ptr, i64, i64 } %t307, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t306, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  %t312 = load { ptr, i64, i64 }, ptr %a308
+  %t313 = load i64, ptr %t293
+  %t314 = add i64 %t313, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t314, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t315 = load ptr, ptr %a263
+  %t316 = getelementptr inbounds { ptr, i64, i64 }, ptr %t315, i64 %t313
+  store { ptr, i64, i64 } %t312, ptr %t316
+  store i64 %t314, ptr %t293
+  br label %endif7568
+endif7568:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a317
+  %t318 = load ptr, ptr %a1
+  %t319 = icmp eq ptr %t318, null
+  br i1 %t319, label %panic7569, label %ok7570
+panic7569:
+  call void @finch_panic(ptr @.str.4839, i64 4466, ptr @.str.4840)
   unreachable
-inrange7206:
-  %t297 = extractvalue { ptr, i64, i64 } %t294, 0
-  %t298 = getelementptr inbounds %S.ast.Type, ptr %t297, i64 %t293
-  %t299 = load %S.ast.Type, ptr %t298
-  store %S.ast.Type %t299, ptr %a300
-  call void @finch.copy.S_ast_Type(ptr %a301, ptr %a300)
-  %t302 = load %S.ast.Type, ptr %a301
-  store %S.ast.Type %t302, ptr %a303
-  %t304 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 1
-  %t305 = load i64, ptr %a285
-  %t306 = load { ptr, i64, i64 }, ptr %t304
-  %t307 = extractvalue { ptr, i64, i64 } %t306, 1
-  %t308 = icmp uge i64 %t305, %t307
-  br i1 %t308, label %range7207, label %inrange7208
-range7207:
-  call void @finch_panic_index(ptr @.str.4671, i64 4181, i64 %t305, i64 %t307)
+ok7570:
+  %t320 = getelementptr inbounds %S.gen.Gen, ptr %t318, i32 0, i32 11
+  %t321 = getelementptr inbounds { ptr, i64, i64 }, ptr %t320, i32 0, i32 1
+  %t322 = load i64, ptr %t321
+  store i64 %t322, ptr %a323
+  %t324 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %t324, i32 0, i32 1
+  %t326 = load i64, ptr %t325
+  store i64 0, ptr %a327
+  br label %for.cond7571
+for.cond7571:
+  %t328 = load i64, ptr %a327
+  %t329 = icmp slt i64 %t328, %t326
+  br i1 %t329, label %for.body7572, label %for.end7574
+for.body7572:
+  %t330 = load i64, ptr %a327
+  %t331 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 3
+  %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i32 0, i32 1
+  %t333 = load i64, ptr %t332
+  %t334 = icmp slt i64 %t330, %t333
+  br i1 %t334, label %then7575, label %endif7577
+then7575:
+  %t335 = load i64, ptr %a327
+  %t336 = load { ptr, i64, i64 }, ptr %a225
+  %t337 = extractvalue { ptr, i64, i64 } %t336, 1
+  %t338 = icmp uge i64 %t335, %t337
+  br i1 %t338, label %range7578, label %inrange7579
+range7578:
+  call void @finch_panic_index(ptr @.str.4841, i64 4469, i64 %t335, i64 %t337)
   unreachable
-inrange7208:
-  %t309 = extractvalue { ptr, i64, i64 } %t306, 0
-  %t310 = getelementptr inbounds %S.gen.Abi, ptr %t309, i64 %t305
-  %t311 = load %S.gen.Abi, ptr %t310
-  store %S.gen.Abi %t311, ptr %a312
-  call void @finch.copy.S_gen_Abi(ptr %a313, ptr %a312)
-  %t314 = load %S.gen.Abi, ptr %a313
-  store %S.gen.Abi %t314, ptr %a315
-  %t316 = load ptr, ptr %a1
-  %t317 = load ptr, ptr %a1
-  %t318 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t319 = load i64, ptr %a285
-  %t320 = load { ptr, i64, i64 }, ptr %t318
-  %t321 = extractvalue { ptr, i64, i64 } %t320, 1
-  %t322 = icmp uge i64 %t319, %t321
-  br i1 %t322, label %range7209, label %inrange7210
-range7209:
-  call void @finch_panic_index(ptr @.str.4672, i64 4182, i64 %t319, i64 %t321)
+inrange7579:
+  %t339 = extractvalue { ptr, i64, i64 } %t336, 0
+  %t340 = getelementptr inbounds %S.ast.Type, ptr %t339, i64 %t335
+  %t341 = load %S.ast.Type, ptr %t340
+  store %S.ast.Type %t341, ptr %a342
+  call void @finch.copy.S_ast_Type(ptr %a343, ptr %a342)
+  %t344 = load %S.ast.Type, ptr %a343
+  store %S.ast.Type %t344, ptr %a345
+  %t346 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 1
+  %t347 = load i64, ptr %a327
+  %t348 = load { ptr, i64, i64 }, ptr %t346
+  %t349 = extractvalue { ptr, i64, i64 } %t348, 1
+  %t350 = icmp uge i64 %t347, %t349
+  br i1 %t350, label %range7580, label %inrange7581
+range7580:
+  call void @finch_panic_index(ptr @.str.4842, i64 4470, i64 %t347, i64 %t349)
   unreachable
-inrange7210:
-  %t323 = extractvalue { ptr, i64, i64 } %t320, 0
-  %t324 = getelementptr inbounds %S.ast.Node, ptr %t323, i64 %t319
-  %t325 = load %S.ast.Node, ptr %t324
-  %t326 = load %S.ast.Type, ptr %a303
-  %t327 = call %S.gen.Val @finch.gen.exprWant(ptr %t317, %S.ast.Node %t325, %S.ast.Type %t326)
-  %t328 = load %S.ast.Type, ptr %a303
-  %t329 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t330 = load i64, ptr %a285
-  %t331 = load { ptr, i64, i64 }, ptr %t329
-  %t332 = extractvalue { ptr, i64, i64 } %t331, 1
-  %t333 = icmp uge i64 %t330, %t332
-  br i1 %t333, label %range7211, label %inrange7212
-range7211:
-  call void @finch_panic_index(ptr @.str.4673, i64 4182, i64 %t330, i64 %t332)
+inrange7581:
+  %t351 = extractvalue { ptr, i64, i64 } %t348, 0
+  %t352 = getelementptr inbounds %S.gen.Abi, ptr %t351, i64 %t347
+  %t353 = load %S.gen.Abi, ptr %t352
+  store %S.gen.Abi %t353, ptr %a354
+  call void @finch.copy.S_gen_Abi(ptr %a355, ptr %a354)
+  %t356 = load %S.gen.Abi, ptr %a355
+  store %S.gen.Abi %t356, ptr %a357
+  %t358 = load ptr, ptr %a1
+  %t359 = load ptr, ptr %a1
+  %t360 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t361 = load i64, ptr %a327
+  %t362 = load { ptr, i64, i64 }, ptr %t360
+  %t363 = extractvalue { ptr, i64, i64 } %t362, 1
+  %t364 = icmp uge i64 %t361, %t363
+  br i1 %t364, label %range7582, label %inrange7583
+range7582:
+  call void @finch_panic_index(ptr @.str.4843, i64 4471, i64 %t361, i64 %t363)
   unreachable
-inrange7212:
-  %t334 = extractvalue { ptr, i64, i64 } %t331, 0
-  %t335 = getelementptr inbounds %S.ast.Node, ptr %t334, i64 %t330
-  %t336 = load %S.ast.Node, ptr %t335
-  %t337 = load i64, ptr %a285
-  %t338 = add i64 %t337, 1
-  call void @finch_str_from_int(ptr %a339, i64 %t338)
-  %t340 = load { ptr, i64, i64 }, ptr %a339
-  store { ptr, i64, i64 } { ptr @.str.4674, i64 9, i64 0 }, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a346
-  store { ptr, i64, i64 } { ptr @.str.4675, i64 4, i64 0 }, ptr %a347
-  call void @finch_str_concat(ptr %a345, ptr %a346, ptr %a347)
-  %t348 = load { ptr, i64, i64 }, ptr %a345
-  %t349 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t350 = load { ptr, i64, i64 }, ptr %t349
-  store { ptr, i64, i64 } %t348, ptr %a352
-  store { ptr, i64, i64 } %t350, ptr %a353
-  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
-  %t354 = load { ptr, i64, i64 }, ptr %a351
-  %t355 = call %S.gen.Val @finch.gen.coerce(ptr %t316, %S.gen.Val %t327, %S.ast.Type %t328, %S.ast.Node %t336, { ptr, i64, i64 } %t354)
-  store %S.gen.Val %t355, ptr %a356
-  %t357 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 0
-  %t358 = load { ptr, i64, i64 }, ptr %t357
-  store { ptr, i64, i64 } %t358, ptr %a359
-  store { ptr, i64, i64 } { ptr @.str.4676, i64 6, i64 0 }, ptr %a360
-  %t361 = call i32 @finch_str_eq(ptr %a359, ptr %a360)
-  %t362 = icmp ne i32 %t361, 0
-  br i1 %t362, label %then7213, label %else7214
-then7213:
-  %t363 = load ptr, ptr %a1
-  %t364 = load ptr, ptr %a1
-  %t365 = load %S.ast.Type, ptr %a303
-  %t366 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t364, %S.ast.Type %t365)
-  %t367 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t363, { ptr, i64, i64 } %t366)
-  store { ptr, i64, i64 } %t367, ptr %a368
-  %t369 = load ptr, ptr %a1
-  %t370 = load ptr, ptr %a1
-  %t371 = load %S.ast.Type, ptr %a303
-  %t372 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t370, %S.ast.Type %t371)
-  %t373 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t374 = load { ptr, i64, i64 }, ptr %t373
-  %t375 = load { ptr, i64, i64 }, ptr %a368
-  call void @finch.gen.store(ptr %t369, { ptr, i64, i64 } %t372, { ptr, i64, i64 } %t374, { ptr, i64, i64 } %t375)
-  %t376 = load ptr, ptr %a1
-  %t377 = load %S.ast.Type, ptr %a303
-  %t378 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t376, %S.ast.Type %t377)
-  store { ptr, i64, i64 } { ptr @.str.4677, i64 10, i64 0 }, ptr %a380
-  store { ptr, i64, i64 } %t378, ptr %a381
-  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
-  %t382 = load { ptr, i64, i64 }, ptr %a379
-  store { ptr, i64, i64 } %t382, ptr %a384
-  store { ptr, i64, i64 } { ptr @.str.4678, i64 8, i64 0 }, ptr %a385
+inrange7583:
+  %t365 = extractvalue { ptr, i64, i64 } %t362, 0
+  %t366 = getelementptr inbounds %S.ast.Node, ptr %t365, i64 %t361
+  %t367 = load %S.ast.Node, ptr %t366
+  %t368 = load %S.ast.Type, ptr %a345
+  %t369 = call %S.gen.Val @finch.gen.exprWant(ptr %t359, %S.ast.Node %t367, %S.ast.Type %t368)
+  %t370 = load %S.ast.Type, ptr %a345
+  %t371 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t372 = load i64, ptr %a327
+  %t373 = load { ptr, i64, i64 }, ptr %t371
+  %t374 = extractvalue { ptr, i64, i64 } %t373, 1
+  %t375 = icmp uge i64 %t372, %t374
+  br i1 %t375, label %range7584, label %inrange7585
+range7584:
+  call void @finch_panic_index(ptr @.str.4844, i64 4471, i64 %t372, i64 %t374)
+  unreachable
+inrange7585:
+  %t376 = extractvalue { ptr, i64, i64 } %t373, 0
+  %t377 = getelementptr inbounds %S.ast.Node, ptr %t376, i64 %t372
+  %t378 = load %S.ast.Node, ptr %t377
+  %t379 = load i64, ptr %a327
+  %t380 = add i64 %t379, 1
+  call void @finch_str_from_int(ptr %a381, i64 %t380)
+  %t382 = load { ptr, i64, i64 }, ptr %a381
+  store { ptr, i64, i64 } { ptr @.str.4845, i64 9, i64 0 }, ptr %a384
+  store { ptr, i64, i64 } %t382, ptr %a385
   call void @finch_str_concat(ptr %a383, ptr %a384, ptr %a385)
-  %t386 = load { ptr, i64, i64 }, ptr %a383
-  %t387 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 3
-  %t388 = load i64, ptr %t387
-  call void @finch_str_from_int(ptr %a389, i64 %t388)
-  %t390 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t386, ptr %a392
-  store { ptr, i64, i64 } %t390, ptr %a393
-  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
-  %t394 = load { ptr, i64, i64 }, ptr %a391
-  store { ptr, i64, i64 } %t394, ptr %a395
-  %t396 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t397 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t397, ptr %a398
-  call void @finch_str_copy(ptr %a399, ptr %a398)
-  %t400 = load { ptr, i64, i64 }, ptr %a399
-  %t401 = load i64, ptr %t396
-  %t402 = add i64 %t401, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t402, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t403 = load ptr, ptr %a235
-  %t404 = getelementptr inbounds { ptr, i64, i64 }, ptr %t403, i64 %t401
-  store { ptr, i64, i64 } %t400, ptr %t404
-  store i64 %t402, ptr %t396
-  %t405 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t406 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t406, ptr %a408
-  store { ptr, i64, i64 } { ptr @.str.4679, i64 1, i64 0 }, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  %t411 = load { ptr, i64, i64 }, ptr %a368
-  store { ptr, i64, i64 } %t410, ptr %a413
-  store { ptr, i64, i64 } %t411, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  %t416 = load i64, ptr %t405
-  %t417 = add i64 %t416, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t417, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t418 = load ptr, ptr %a236
-  %t419 = getelementptr inbounds { ptr, i64, i64 }, ptr %t418, i64 %t416
-  store { ptr, i64, i64 } %t415, ptr %t419
-  store i64 %t417, ptr %t405
-  br label %endif7215
-else7214:
-  %t420 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 0
-  %t421 = load { ptr, i64, i64 }, ptr %t420
-  store { ptr, i64, i64 } %t421, ptr %a422
-  store { ptr, i64, i64 } { ptr @.str.4680, i64 8, i64 0 }, ptr %a423
-  %t424 = call i32 @finch_str_eq(ptr %a422, ptr %a423)
-  %t425 = icmp ne i32 %t424, 0
-  br i1 %t425, label %then7216, label %else7217
-then7216:
-  %t426 = load ptr, ptr %a1
-  %t427 = load ptr, ptr %a1
-  %t428 = load %S.ast.Type, ptr %a303
-  %t429 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t427, %S.ast.Type %t428)
-  %t430 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t426, { ptr, i64, i64 } %t429)
-  store { ptr, i64, i64 } %t430, ptr %a431
-  %t432 = load ptr, ptr %a1
-  %t433 = load ptr, ptr %a1
-  %t434 = load %S.ast.Type, ptr %a303
-  %t435 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t433, %S.ast.Type %t434)
-  %t436 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t437 = load { ptr, i64, i64 }, ptr %t436
-  %t438 = load { ptr, i64, i64 }, ptr %a431
-  call void @finch.gen.store(ptr %t432, { ptr, i64, i64 } %t435, { ptr, i64, i64 } %t437, { ptr, i64, i64 } %t438)
-  %t439 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t440 = load i64, ptr %t439
-  %t441 = add i64 %t440, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t441, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t442 = load ptr, ptr %a235
-  %t443 = getelementptr inbounds { ptr, i64, i64 }, ptr %t442, i64 %t440
-  store { ptr, i64, i64 } { ptr @.str.4681, i64 3, i64 0 }, ptr %t443
-  store i64 %t441, ptr %t439
-  %t444 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t445 = load { ptr, i64, i64 }, ptr %a431
-  store { ptr, i64, i64 } { ptr @.str.4682, i64 4, i64 0 }, ptr %a447
-  store { ptr, i64, i64 } %t445, ptr %a448
-  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
-  %t449 = load { ptr, i64, i64 }, ptr %a446
-  %t450 = load i64, ptr %t444
-  %t451 = add i64 %t450, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t451, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t452 = load ptr, ptr %a236
-  %t453 = getelementptr inbounds { ptr, i64, i64 }, ptr %t452, i64 %t450
-  store { ptr, i64, i64 } %t449, ptr %t453
-  store i64 %t451, ptr %t444
-  br label %endif7218
-else7217:
-  %t454 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 0
-  %t455 = load { ptr, i64, i64 }, ptr %t454
-  store { ptr, i64, i64 } %t455, ptr %a456
-  store { ptr, i64, i64 } { ptr @.str.4683, i64 6, i64 0 }, ptr %a457
-  %t458 = call i32 @finch_str_eq(ptr %a456, ptr %a457)
-  %t459 = icmp ne i32 %t458, 0
-  br i1 %t459, label %then7219, label %else7220
-then7219:
-  %t460 = load ptr, ptr %a1
-  %t461 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t460, { ptr, i64, i64 } { ptr @.str.4684, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t382, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  %t387 = load { ptr, i64, i64 }, ptr %a383
+  store { ptr, i64, i64 } %t387, ptr %a389
+  store { ptr, i64, i64 } { ptr @.str.4846, i64 4, i64 0 }, ptr %a390
+  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t387, ptr %a391
+  call void @finch_str_drop(ptr %a391)
+  %t392 = load { ptr, i64, i64 }, ptr %a388
+  %t393 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t394 = load { ptr, i64, i64 }, ptr %t393
+  store { ptr, i64, i64 } %t392, ptr %a396
+  store { ptr, i64, i64 } %t394, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t392, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  %t400 = call %S.gen.Val @finch.gen.coerce(ptr %t358, %S.gen.Val %t369, %S.ast.Type %t370, %S.ast.Node %t378, { ptr, i64, i64 } %t399)
+  store %S.gen.Val %t369, ptr %a401
+  call void @finch.drop.S_gen_Val(ptr %a401)
+  store { ptr, i64, i64 } %t399, ptr %a402
+  call void @finch_str_drop(ptr %a402)
+  store %S.gen.Val %t400, ptr %a403
+  %t404 = getelementptr inbounds { ptr, i64, i64 }, ptr %a317, i32 0, i32 1
+  %t405 = load %S.gen.Val, ptr %a403
+  store %S.gen.Val %t405, ptr %a406
+  call void @finch.copy.S_gen_Val(ptr %a407, ptr %a406)
+  %t408 = load %S.gen.Val, ptr %a407
+  %t409 = load i64, ptr %t404
+  %t410 = add i64 %t409, 1
+  call void @finch_arr_reserve(ptr %a317, i64 %t410, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t411 = load ptr, ptr %a317
+  %t412 = getelementptr inbounds %S.gen.Val, ptr %t411, i64 %t409
+  store %S.gen.Val %t408, ptr %t412
+  store i64 %t410, ptr %t404
+  %t413 = load ptr, ptr %a1
+  %t414 = load %S.gen.Val, ptr %a403
+  call void @finch.gen.hold(ptr %t413, %S.gen.Val %t414)
+  %t415 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 0
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  store { ptr, i64, i64 } %t416, ptr %a417
+  store { ptr, i64, i64 } { ptr @.str.4847, i64 6, i64 0 }, ptr %a418
+  %t419 = call i32 @finch_str_eq(ptr %a417, ptr %a418)
+  %t420 = icmp ne i32 %t419, 0
+  br i1 %t420, label %then7586, label %else7587
+then7586:
+  %t421 = load ptr, ptr %a1
+  %t422 = load ptr, ptr %a1
+  %t423 = load %S.ast.Type, ptr %a345
+  %t424 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t422, %S.ast.Type %t423)
+  %t425 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t421, { ptr, i64, i64 } %t424)
+  store { ptr, i64, i64 } %t424, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  store { ptr, i64, i64 } %t425, ptr %a427
+  %t428 = load ptr, ptr %a1
+  %t429 = load ptr, ptr %a1
+  %t430 = load %S.ast.Type, ptr %a345
+  %t431 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t429, %S.ast.Type %t430)
+  %t432 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t433 = load { ptr, i64, i64 }, ptr %t432
+  %t434 = load { ptr, i64, i64 }, ptr %a427
+  call void @finch.gen.store(ptr %t428, { ptr, i64, i64 } %t431, { ptr, i64, i64 } %t433, { ptr, i64, i64 } %t434)
+  store { ptr, i64, i64 } %t431, ptr %a435
+  call void @finch_str_drop(ptr %a435)
+  %t436 = load ptr, ptr %a1
+  %t437 = load %S.ast.Type, ptr %a345
+  %t438 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t436, %S.ast.Type %t437)
+  store { ptr, i64, i64 } { ptr @.str.4848, i64 10, i64 0 }, ptr %a440
+  store { ptr, i64, i64 } %t438, ptr %a441
+  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
+  store { ptr, i64, i64 } %t438, ptr %a442
+  call void @finch_str_drop(ptr %a442)
+  %t443 = load { ptr, i64, i64 }, ptr %a439
+  store { ptr, i64, i64 } %t443, ptr %a445
+  store { ptr, i64, i64 } { ptr @.str.4849, i64 8, i64 0 }, ptr %a446
+  call void @finch_str_concat(ptr %a444, ptr %a445, ptr %a446)
+  store { ptr, i64, i64 } %t443, ptr %a447
+  call void @finch_str_drop(ptr %a447)
+  %t448 = load { ptr, i64, i64 }, ptr %a444
+  %t449 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 3
+  %t450 = load i64, ptr %t449
+  call void @finch_str_from_int(ptr %a451, i64 %t450)
+  %t452 = load { ptr, i64, i64 }, ptr %a451
+  store { ptr, i64, i64 } %t448, ptr %a454
+  store { ptr, i64, i64 } %t452, ptr %a455
+  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
+  store { ptr, i64, i64 } %t448, ptr %a456
+  call void @finch_str_drop(ptr %a456)
+  store { ptr, i64, i64 } %t452, ptr %a457
+  call void @finch_str_drop(ptr %a457)
+  %t458 = load { ptr, i64, i64 }, ptr %a453
+  store { ptr, i64, i64 } %t458, ptr %a459
+  %t460 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t461 = load { ptr, i64, i64 }, ptr %a459
   store { ptr, i64, i64 } %t461, ptr %a462
-  %t463 = load ptr, ptr %a1
-  %t464 = load ptr, ptr %a1
-  %t465 = load %S.ast.Type, ptr %a303
-  %t466 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t464, %S.ast.Type %t465)
-  %t467 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t468 = load { ptr, i64, i64 }, ptr %t467
-  %t469 = load { ptr, i64, i64 }, ptr %a462
-  call void @finch.gen.store(ptr %t463, { ptr, i64, i64 } %t466, { ptr, i64, i64 } %t468, { ptr, i64, i64 } %t469)
-  %t470 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t471 = getelementptr inbounds { ptr, i64, i64 }, ptr %t470, i32 0, i32 1
-  %t472 = load i64, ptr %t471
-  store i64 0, ptr %a473
-  br label %for.cond7222
-for.cond7222:
-  %t474 = load i64, ptr %a473
-  %t475 = icmp slt i64 %t474, %t472
-  br i1 %t475, label %for.body7223, label %for.end7225
-for.body7223:
-  %t476 = load ptr, ptr %a1
-  %t477 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t478 = load i64, ptr %a473
-  %t479 = load { ptr, i64, i64 }, ptr %t477
-  %t480 = extractvalue { ptr, i64, i64 } %t479, 1
-  %t481 = icmp uge i64 %t478, %t480
-  br i1 %t481, label %range7226, label %inrange7227
-range7226:
-  call void @finch_panic_index(ptr @.str.4685, i64 4198, i64 %t478, i64 %t480)
+  call void @finch_str_copy(ptr %a463, ptr %a462)
+  %t464 = load { ptr, i64, i64 }, ptr %a463
+  %t465 = load i64, ptr %t460
+  %t466 = add i64 %t465, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t466, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t467 = load ptr, ptr %a262
+  %t468 = getelementptr inbounds { ptr, i64, i64 }, ptr %t467, i64 %t465
+  store { ptr, i64, i64 } %t464, ptr %t468
+  store i64 %t466, ptr %t460
+  %t469 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t470 = load { ptr, i64, i64 }, ptr %a459
+  store { ptr, i64, i64 } %t470, ptr %a472
+  store { ptr, i64, i64 } { ptr @.str.4850, i64 1, i64 0 }, ptr %a473
+  call void @finch_str_concat(ptr %a471, ptr %a472, ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a471
+  %t475 = load { ptr, i64, i64 }, ptr %a427
+  store { ptr, i64, i64 } %t474, ptr %a477
+  store { ptr, i64, i64 } %t475, ptr %a478
+  call void @finch_str_concat(ptr %a476, ptr %a477, ptr %a478)
+  store { ptr, i64, i64 } %t474, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  %t480 = load { ptr, i64, i64 }, ptr %a476
+  %t481 = load i64, ptr %t469
+  %t482 = add i64 %t481, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t482, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t483 = load ptr, ptr %a263
+  %t484 = getelementptr inbounds { ptr, i64, i64 }, ptr %t483, i64 %t481
+  store { ptr, i64, i64 } %t480, ptr %t484
+  store i64 %t482, ptr %t469
+  call void @finch_str_drop(ptr %a459)
+  call void @finch_str_drop(ptr %a427)
+  br label %endif7588
+else7587:
+  %t485 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 0
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  store { ptr, i64, i64 } %t486, ptr %a487
+  store { ptr, i64, i64 } { ptr @.str.4851, i64 8, i64 0 }, ptr %a488
+  %t489 = call i32 @finch_str_eq(ptr %a487, ptr %a488)
+  %t490 = icmp ne i32 %t489, 0
+  br i1 %t490, label %then7589, label %else7590
+then7589:
+  %t491 = load ptr, ptr %a1
+  %t492 = load ptr, ptr %a1
+  %t493 = load %S.ast.Type, ptr %a345
+  %t494 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t492, %S.ast.Type %t493)
+  %t495 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t491, { ptr, i64, i64 } %t494)
+  store { ptr, i64, i64 } %t494, ptr %a496
+  call void @finch_str_drop(ptr %a496)
+  store { ptr, i64, i64 } %t495, ptr %a497
+  %t498 = load ptr, ptr %a1
+  %t499 = load ptr, ptr %a1
+  %t500 = load %S.ast.Type, ptr %a345
+  %t501 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t499, %S.ast.Type %t500)
+  %t502 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t503 = load { ptr, i64, i64 }, ptr %t502
+  %t504 = load { ptr, i64, i64 }, ptr %a497
+  call void @finch.gen.store(ptr %t498, { ptr, i64, i64 } %t501, { ptr, i64, i64 } %t503, { ptr, i64, i64 } %t504)
+  store { ptr, i64, i64 } %t501, ptr %a505
+  call void @finch_str_drop(ptr %a505)
+  %t506 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t507 = load i64, ptr %t506
+  %t508 = add i64 %t507, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t508, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t509 = load ptr, ptr %a262
+  %t510 = getelementptr inbounds { ptr, i64, i64 }, ptr %t509, i64 %t507
+  store { ptr, i64, i64 } { ptr @.str.4852, i64 3, i64 0 }, ptr %t510
+  store i64 %t508, ptr %t506
+  %t511 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t512 = load { ptr, i64, i64 }, ptr %a497
+  store { ptr, i64, i64 } { ptr @.str.4853, i64 4, i64 0 }, ptr %a514
+  store { ptr, i64, i64 } %t512, ptr %a515
+  call void @finch_str_concat(ptr %a513, ptr %a514, ptr %a515)
+  %t516 = load { ptr, i64, i64 }, ptr %a513
+  %t517 = load i64, ptr %t511
+  %t518 = add i64 %t517, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t518, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t519 = load ptr, ptr %a263
+  %t520 = getelementptr inbounds { ptr, i64, i64 }, ptr %t519, i64 %t517
+  store { ptr, i64, i64 } %t516, ptr %t520
+  store i64 %t518, ptr %t511
+  call void @finch_str_drop(ptr %a497)
+  br label %endif7591
+else7590:
+  %t521 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 0
+  %t522 = load { ptr, i64, i64 }, ptr %t521
+  store { ptr, i64, i64 } %t522, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.4854, i64 6, i64 0 }, ptr %a524
+  %t525 = call i32 @finch_str_eq(ptr %a523, ptr %a524)
+  %t526 = icmp ne i32 %t525, 0
+  br i1 %t526, label %then7592, label %else7593
+then7592:
+  %t527 = load ptr, ptr %a1
+  %t528 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t527, { ptr, i64, i64 } { ptr @.str.4855, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t528, ptr %a529
+  %t530 = load ptr, ptr %a1
+  %t531 = load ptr, ptr %a1
+  %t532 = load %S.ast.Type, ptr %a345
+  %t533 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t531, %S.ast.Type %t532)
+  %t534 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t535 = load { ptr, i64, i64 }, ptr %t534
+  %t536 = load { ptr, i64, i64 }, ptr %a529
+  call void @finch.gen.store(ptr %t530, { ptr, i64, i64 } %t533, { ptr, i64, i64 } %t535, { ptr, i64, i64 } %t536)
+  store { ptr, i64, i64 } %t533, ptr %a537
+  call void @finch_str_drop(ptr %a537)
+  %t538 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t539 = getelementptr inbounds { ptr, i64, i64 }, ptr %t538, i32 0, i32 1
+  %t540 = load i64, ptr %t539
+  store i64 0, ptr %a541
+  br label %for.cond7595
+for.cond7595:
+  %t542 = load i64, ptr %a541
+  %t543 = icmp slt i64 %t542, %t540
+  br i1 %t543, label %for.body7596, label %for.end7598
+for.body7596:
+  %t544 = load ptr, ptr %a1
+  %t545 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t546 = load i64, ptr %a541
+  %t547 = load { ptr, i64, i64 }, ptr %t545
+  %t548 = extractvalue { ptr, i64, i64 } %t547, 1
+  %t549 = icmp uge i64 %t546, %t548
+  br i1 %t549, label %range7599, label %inrange7600
+range7599:
+  call void @finch_panic_index(ptr @.str.4856, i64 4489, i64 %t546, i64 %t548)
   unreachable
-inrange7227:
-  %t482 = extractvalue { ptr, i64, i64 } %t479, 0
-  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i64 %t478
-  %t484 = load { ptr, i64, i64 }, ptr %t483
-  %t485 = load ptr, ptr %a1
-  %t486 = load { ptr, i64, i64 }, ptr %a462
-  store { ptr, i64, i64 } { ptr @.str.4686, i64 31, i64 0 }, ptr %a488
-  store { ptr, i64, i64 } %t486, ptr %a489
-  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  store { ptr, i64, i64 } %t490, ptr %a492
-  store { ptr, i64, i64 } { ptr @.str.4687, i64 6, i64 0 }, ptr %a493
-  call void @finch_str_concat(ptr %a491, ptr %a492, ptr %a493)
-  %t494 = load { ptr, i64, i64 }, ptr %a491
-  %t495 = load i64, ptr %a473
-  %t496 = mul i64 8, %t495
-  call void @finch_str_from_int(ptr %a497, i64 %t496)
-  %t498 = load { ptr, i64, i64 }, ptr %a497
-  store { ptr, i64, i64 } %t494, ptr %a500
-  store { ptr, i64, i64 } %t498, ptr %a501
-  call void @finch_str_concat(ptr %a499, ptr %a500, ptr %a501)
-  %t502 = load { ptr, i64, i64 }, ptr %a499
-  %t503 = call { ptr, i64, i64 } @finch.gen.op(ptr %t485, { ptr, i64, i64 } %t502)
-  %t504 = call { ptr, i64, i64 } @finch.gen.load(ptr %t476, { ptr, i64, i64 } %t484, { ptr, i64, i64 } %t503)
-  store { ptr, i64, i64 } %t504, ptr %a505
-  %t506 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t507 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t508 = load i64, ptr %a473
-  %t509 = load { ptr, i64, i64 }, ptr %t507
-  %t510 = extractvalue { ptr, i64, i64 } %t509, 1
-  %t511 = icmp uge i64 %t508, %t510
-  br i1 %t511, label %range7228, label %inrange7229
-range7228:
-  call void @finch_panic_index(ptr @.str.4688, i64 4199, i64 %t508, i64 %t510)
+inrange7600:
+  %t550 = extractvalue { ptr, i64, i64 } %t547, 0
+  %t551 = getelementptr inbounds { ptr, i64, i64 }, ptr %t550, i64 %t546
+  %t552 = load { ptr, i64, i64 }, ptr %t551
+  %t553 = load ptr, ptr %a1
+  %t554 = load { ptr, i64, i64 }, ptr %a529
+  store { ptr, i64, i64 } { ptr @.str.4857, i64 31, i64 0 }, ptr %a556
+  store { ptr, i64, i64 } %t554, ptr %a557
+  call void @finch_str_concat(ptr %a555, ptr %a556, ptr %a557)
+  %t558 = load { ptr, i64, i64 }, ptr %a555
+  store { ptr, i64, i64 } %t558, ptr %a560
+  store { ptr, i64, i64 } { ptr @.str.4858, i64 6, i64 0 }, ptr %a561
+  call void @finch_str_concat(ptr %a559, ptr %a560, ptr %a561)
+  store { ptr, i64, i64 } %t558, ptr %a562
+  call void @finch_str_drop(ptr %a562)
+  %t563 = load { ptr, i64, i64 }, ptr %a559
+  %t564 = load i64, ptr %a541
+  %t565 = mul i64 8, %t564
+  call void @finch_str_from_int(ptr %a566, i64 %t565)
+  %t567 = load { ptr, i64, i64 }, ptr %a566
+  store { ptr, i64, i64 } %t563, ptr %a569
+  store { ptr, i64, i64 } %t567, ptr %a570
+  call void @finch_str_concat(ptr %a568, ptr %a569, ptr %a570)
+  store { ptr, i64, i64 } %t563, ptr %a571
+  call void @finch_str_drop(ptr %a571)
+  store { ptr, i64, i64 } %t567, ptr %a572
+  call void @finch_str_drop(ptr %a572)
+  %t573 = load { ptr, i64, i64 }, ptr %a568
+  %t574 = call { ptr, i64, i64 } @finch.gen.op(ptr %t553, { ptr, i64, i64 } %t573)
+  store { ptr, i64, i64 } %t573, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  %t576 = call { ptr, i64, i64 } @finch.gen.load(ptr %t544, { ptr, i64, i64 } %t552, { ptr, i64, i64 } %t574)
+  store { ptr, i64, i64 } %t574, ptr %a577
+  call void @finch_str_drop(ptr %a577)
+  store { ptr, i64, i64 } %t576, ptr %a578
+  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t580 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t581 = load i64, ptr %a541
+  %t582 = load { ptr, i64, i64 }, ptr %t580
+  %t583 = extractvalue { ptr, i64, i64 } %t582, 1
+  %t584 = icmp uge i64 %t581, %t583
+  br i1 %t584, label %range7601, label %inrange7602
+range7601:
+  call void @finch_panic_index(ptr @.str.4859, i64 4490, i64 %t581, i64 %t583)
   unreachable
-inrange7229:
-  %t512 = extractvalue { ptr, i64, i64 } %t509, 0
-  %t513 = getelementptr inbounds { ptr, i64, i64 }, ptr %t512, i64 %t508
-  %t514 = load { ptr, i64, i64 }, ptr %t513
-  store { ptr, i64, i64 } %t514, ptr %a515
-  call void @finch_str_copy(ptr %a516, ptr %a515)
-  %t517 = load { ptr, i64, i64 }, ptr %a516
-  %t518 = load i64, ptr %t506
-  %t519 = add i64 %t518, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t519, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t520 = load ptr, ptr %a235
-  %t521 = getelementptr inbounds { ptr, i64, i64 }, ptr %t520, i64 %t518
-  store { ptr, i64, i64 } %t517, ptr %t521
-  store i64 %t519, ptr %t506
-  %t522 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t523 = getelementptr inbounds %S.gen.Abi, ptr %a315, i32 0, i32 1
-  %t524 = load i64, ptr %a473
-  %t525 = load { ptr, i64, i64 }, ptr %t523
-  %t526 = extractvalue { ptr, i64, i64 } %t525, 1
-  %t527 = icmp uge i64 %t524, %t526
-  br i1 %t527, label %range7230, label %inrange7231
-range7230:
-  call void @finch_panic_index(ptr @.str.4689, i64 4200, i64 %t524, i64 %t526)
+inrange7602:
+  %t585 = extractvalue { ptr, i64, i64 } %t582, 0
+  %t586 = getelementptr inbounds { ptr, i64, i64 }, ptr %t585, i64 %t581
+  %t587 = load { ptr, i64, i64 }, ptr %t586
+  store { ptr, i64, i64 } %t587, ptr %a588
+  call void @finch_str_copy(ptr %a589, ptr %a588)
+  %t590 = load { ptr, i64, i64 }, ptr %a589
+  %t591 = load i64, ptr %t579
+  %t592 = add i64 %t591, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t592, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t593 = load ptr, ptr %a262
+  %t594 = getelementptr inbounds { ptr, i64, i64 }, ptr %t593, i64 %t591
+  store { ptr, i64, i64 } %t590, ptr %t594
+  store i64 %t592, ptr %t579
+  %t595 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t596 = getelementptr inbounds %S.gen.Abi, ptr %a357, i32 0, i32 1
+  %t597 = load i64, ptr %a541
+  %t598 = load { ptr, i64, i64 }, ptr %t596
+  %t599 = extractvalue { ptr, i64, i64 } %t598, 1
+  %t600 = icmp uge i64 %t597, %t599
+  br i1 %t600, label %range7603, label %inrange7604
+range7603:
+  call void @finch_panic_index(ptr @.str.4860, i64 4491, i64 %t597, i64 %t599)
   unreachable
-inrange7231:
-  %t528 = extractvalue { ptr, i64, i64 } %t525, 0
-  %t529 = getelementptr inbounds { ptr, i64, i64 }, ptr %t528, i64 %t524
-  %t530 = load { ptr, i64, i64 }, ptr %t529
-  store { ptr, i64, i64 } %t530, ptr %a532
-  store { ptr, i64, i64 } { ptr @.str.4690, i64 1, i64 0 }, ptr %a533
-  call void @finch_str_concat(ptr %a531, ptr %a532, ptr %a533)
-  %t534 = load { ptr, i64, i64 }, ptr %a531
-  %t535 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t534, ptr %a537
-  store { ptr, i64, i64 } %t535, ptr %a538
-  call void @finch_str_concat(ptr %a536, ptr %a537, ptr %a538)
-  %t539 = load { ptr, i64, i64 }, ptr %a536
-  %t540 = load i64, ptr %t522
-  %t541 = add i64 %t540, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t541, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t542 = load ptr, ptr %a236
-  %t543 = getelementptr inbounds { ptr, i64, i64 }, ptr %t542, i64 %t540
-  store { ptr, i64, i64 } %t539, ptr %t543
-  store i64 %t541, ptr %t522
-  br label %for.step7224
-for.step7224:
-  %t544 = load i64, ptr %a473
-  %t545 = add i64 %t544, 1
-  store i64 %t545, ptr %a473
-  br label %for.cond7222
-for.end7225:
-  br label %endif7221
-else7220:
-  %t546 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t547 = load ptr, ptr %a1
-  %t548 = load %S.ast.Type, ptr %a303
-  %t549 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t547, %S.ast.Type %t548)
-  %t550 = load ptr, ptr %a1
-  %t551 = load %S.ast.Type, ptr %a303
-  %t552 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t550, %S.ast.Type %t551)
-  store { ptr, i64, i64 } %t549, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = load i64, ptr %t546
-  %t558 = add i64 %t557, 1
-  call void @finch_arr_reserve(ptr %a235, i64 %t558, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t559 = load ptr, ptr %a235
-  %t560 = getelementptr inbounds { ptr, i64, i64 }, ptr %t559, i64 %t557
-  store { ptr, i64, i64 } %t556, ptr %t560
-  store i64 %t558, ptr %t546
-  %t561 = getelementptr inbounds %S.ast.Type, ptr %a303, i32 0, i32 0
-  %t562 = load { ptr, i64, i64 }, ptr %t561
-  store { ptr, i64, i64 } %t562, ptr %a563
-  store { ptr, i64, i64 } { ptr @.str.4691, i64 3, i64 0 }, ptr %a564
-  %t565 = call i32 @finch_str_eq(ptr %a563, ptr %a564)
-  %t566 = icmp ne i32 %t565, 0
-  br i1 %t566, label %then7232, label %else7233
-then7232:
-  %t567 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t568 = load ptr, ptr %a1
-  %t569 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t570 = load { ptr, i64, i64 }, ptr %t569
-  %t571 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t568, { ptr, i64, i64 } %t570)
-  store { ptr, i64, i64 } { ptr @.str.4692, i64 4, i64 0 }, ptr %a573
-  store { ptr, i64, i64 } %t571, ptr %a574
-  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
-  %t575 = load { ptr, i64, i64 }, ptr %a572
-  %t576 = load i64, ptr %t567
-  %t577 = add i64 %t576, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t577, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t578 = load ptr, ptr %a236
-  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %t578, i64 %t576
-  store { ptr, i64, i64 } %t575, ptr %t579
-  store i64 %t577, ptr %t567
-  br label %endif7234
-else7233:
-  %t580 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t581 = load ptr, ptr %a1
-  %t582 = load %S.ast.Type, ptr %a303
-  %t583 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t581, %S.ast.Type %t582)
-  %t584 = load ptr, ptr %a1
-  %t585 = load %S.ast.Type, ptr %a303
-  %t586 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t584, %S.ast.Type %t585)
-  store { ptr, i64, i64 } %t583, ptr %a588
-  store { ptr, i64, i64 } %t586, ptr %a589
-  call void @finch_str_concat(ptr %a587, ptr %a588, ptr %a589)
-  %t590 = load { ptr, i64, i64 }, ptr %a587
-  store { ptr, i64, i64 } %t590, ptr %a592
-  store { ptr, i64, i64 } { ptr @.str.4693, i64 1, i64 0 }, ptr %a593
-  call void @finch_str_concat(ptr %a591, ptr %a592, ptr %a593)
-  %t594 = load { ptr, i64, i64 }, ptr %a591
-  %t595 = getelementptr inbounds %S.gen.Val, ptr %a356, i32 0, i32 0
-  %t596 = load { ptr, i64, i64 }, ptr %t595
-  store { ptr, i64, i64 } %t594, ptr %a598
-  store { ptr, i64, i64 } %t596, ptr %a599
-  call void @finch_str_concat(ptr %a597, ptr %a598, ptr %a599)
-  %t600 = load { ptr, i64, i64 }, ptr %a597
-  %t601 = load i64, ptr %t580
-  %t602 = add i64 %t601, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t602, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t603 = load ptr, ptr %a236
-  %t604 = getelementptr inbounds { ptr, i64, i64 }, ptr %t603, i64 %t601
-  store { ptr, i64, i64 } %t600, ptr %t604
-  store i64 %t602, ptr %t580
-  br label %endif7234
-endif7234:
-  br label %endif7221
-endif7221:
-  br label %endif7218
-endif7218:
-  br label %endif7215
-endif7215:
-  br label %for.step7200
-endif7204:
-  %t605 = load ptr, ptr %a1
-  %t606 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t607 = load i64, ptr %a285
-  %t608 = load { ptr, i64, i64 }, ptr %t606
-  %t609 = extractvalue { ptr, i64, i64 } %t608, 1
-  %t610 = icmp uge i64 %t607, %t609
-  br i1 %t610, label %range7235, label %inrange7236
-range7235:
-  call void @finch_panic_index(ptr @.str.4694, i64 4213, i64 %t607, i64 %t609)
-  unreachable
-inrange7236:
-  %t611 = extractvalue { ptr, i64, i64 } %t608, 0
-  %t612 = getelementptr inbounds %S.ast.Node, ptr %t611, i64 %t607
-  %t613 = load %S.ast.Node, ptr %t612
-  %t614 = call %S.gen.Val @finch.gen.expr(ptr %t605, %S.ast.Node %t613)
-  store %S.gen.Val %t614, ptr %a615
-  %t616 = getelementptr inbounds %S.gen.Val, ptr %a615, i32 0, i32 1
-  %t617 = load %S.ast.Type, ptr %t616
-  store %S.ast.Type %t617, ptr %a618
-  call void @finch.copy.S_ast_Type(ptr %a619, ptr %a618)
-  %t620 = load %S.ast.Type, ptr %a619
-  store %S.ast.Type %t620, ptr %a621
-  %t622 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t623 = load { ptr, i64, i64 }, ptr %t622
-  store { ptr, i64, i64 } %t623, ptr %a624
-  store { ptr, i64, i64 } { ptr @.str.4695, i64 4, i64 0 }, ptr %a625
-  %t626 = call i32 @finch_str_eq(ptr %a624, ptr %a625)
-  %t627 = icmp ne i32 %t626, 0
-  br i1 %t627, label %then7237, label %endif7239
-then7237:
-  %t628 = load ptr, ptr %a1
-  %t629 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t630 = load i64, ptr %a285
-  %t631 = load { ptr, i64, i64 }, ptr %t629
-  %t632 = extractvalue { ptr, i64, i64 } %t631, 1
-  %t633 = icmp uge i64 %t630, %t632
-  br i1 %t633, label %range7240, label %inrange7241
-range7240:
-  call void @finch_panic_index(ptr @.str.4696, i64 4216, i64 %t630, i64 %t632)
-  unreachable
-inrange7241:
-  %t634 = extractvalue { ptr, i64, i64 } %t631, 0
-  %t635 = getelementptr inbounds %S.ast.Node, ptr %t634, i64 %t630
-  %t636 = load %S.ast.Node, ptr %t635
-  call void @finch.gen.fail(ptr %t628, %S.ast.Node %t636, { ptr, i64, i64 } { ptr @.str.4697, i64 23, i64 0 })
-  br label %endif7239
-endif7239:
-  %t637 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
+inrange7604:
+  %t601 = extractvalue { ptr, i64, i64 } %t598, 0
+  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %t601, i64 %t597
+  %t603 = load { ptr, i64, i64 }, ptr %t602
+  store { ptr, i64, i64 } %t603, ptr %a605
+  store { ptr, i64, i64 } { ptr @.str.4861, i64 1, i64 0 }, ptr %a606
+  call void @finch_str_concat(ptr %a604, ptr %a605, ptr %a606)
+  %t607 = load { ptr, i64, i64 }, ptr %a604
+  %t608 = load { ptr, i64, i64 }, ptr %a578
+  store { ptr, i64, i64 } %t607, ptr %a610
+  store { ptr, i64, i64 } %t608, ptr %a611
+  call void @finch_str_concat(ptr %a609, ptr %a610, ptr %a611)
+  store { ptr, i64, i64 } %t607, ptr %a612
+  call void @finch_str_drop(ptr %a612)
+  %t613 = load { ptr, i64, i64 }, ptr %a609
+  %t614 = load i64, ptr %t595
+  %t615 = add i64 %t614, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t615, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t616 = load ptr, ptr %a263
+  %t617 = getelementptr inbounds { ptr, i64, i64 }, ptr %t616, i64 %t614
+  store { ptr, i64, i64 } %t613, ptr %t617
+  store i64 %t615, ptr %t595
+  call void @finch_str_drop(ptr %a578)
+  br label %for.step7597
+for.step7597:
+  %t618 = load i64, ptr %a541
+  %t619 = add i64 %t618, 1
+  store i64 %t619, ptr %a541
+  br label %for.cond7595
+for.end7598:
+  call void @finch_str_drop(ptr %a529)
+  br label %endif7594
+else7593:
+  %t620 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t621 = load ptr, ptr %a1
+  %t622 = load %S.ast.Type, ptr %a345
+  %t623 = call { ptr, i64, i64 } @finch.gen.cLL(ptr %t621, %S.ast.Type %t622)
+  %t624 = load ptr, ptr %a1
+  %t625 = load %S.ast.Type, ptr %a345
+  %t626 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t624, %S.ast.Type %t625)
+  store { ptr, i64, i64 } %t623, ptr %a628
+  store { ptr, i64, i64 } %t626, ptr %a629
+  call void @finch_str_concat(ptr %a627, ptr %a628, ptr %a629)
+  store { ptr, i64, i64 } %t623, ptr %a630
+  call void @finch_str_drop(ptr %a630)
+  store { ptr, i64, i64 } %t626, ptr %a631
+  call void @finch_str_drop(ptr %a631)
+  %t632 = load { ptr, i64, i64 }, ptr %a627
+  %t633 = load i64, ptr %t620
+  %t634 = add i64 %t633, 1
+  call void @finch_arr_reserve(ptr %a262, i64 %t634, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t635 = load ptr, ptr %a262
+  %t636 = getelementptr inbounds { ptr, i64, i64 }, ptr %t635, i64 %t633
+  store { ptr, i64, i64 } %t632, ptr %t636
+  store i64 %t634, ptr %t620
+  %t637 = getelementptr inbounds %S.ast.Type, ptr %a345, i32 0, i32 0
   %t638 = load { ptr, i64, i64 }, ptr %t637
   store { ptr, i64, i64 } %t638, ptr %a639
-  store { ptr, i64, i64 } { ptr @.str.4698, i64 6, i64 0 }, ptr %a640
+  store { ptr, i64, i64 } { ptr @.str.4862, i64 3, i64 0 }, ptr %a640
   %t641 = call i32 @finch_str_eq(ptr %a639, ptr %a640)
   %t642 = icmp ne i32 %t641, 0
-  br label %logic.from7242
-logic.from7242:
-  br i1 %t642, label %logic.end7244, label %logic.rhs7243
-logic.rhs7243:
-  %t643 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t644 = load { ptr, i64, i64 }, ptr %t643
-  store { ptr, i64, i64 } %t644, ptr %a645
-  store { ptr, i64, i64 } { ptr @.str.4699, i64 5, i64 0 }, ptr %a646
-  %t647 = call i32 @finch_str_eq(ptr %a645, ptr %a646)
-  %t648 = icmp ne i32 %t647, 0
-  br label %logic.rend7245
-logic.rend7245:
-  br label %logic.end7244
-logic.end7244:
-  %t649 = phi i1 [ true, %logic.from7242 ], [ %t648, %logic.rend7245 ]
-  br i1 %t649, label %then7246, label %endif7248
-then7246:
-  %t650 = load ptr, ptr %a1
-  %t651 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t652 = load i64, ptr %a285
-  %t653 = load { ptr, i64, i64 }, ptr %t651
-  %t654 = extractvalue { ptr, i64, i64 } %t653, 1
-  %t655 = icmp uge i64 %t652, %t654
-  br i1 %t655, label %range7249, label %inrange7250
-range7249:
-  call void @finch_panic_index(ptr @.str.4700, i64 4219, i64 %t652, i64 %t654)
+  br i1 %t642, label %then7605, label %else7606
+then7605:
+  %t643 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t644 = load ptr, ptr %a1
+  %t645 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t646 = load { ptr, i64, i64 }, ptr %t645
+  %t647 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t644, { ptr, i64, i64 } %t646)
+  store { ptr, i64, i64 } { ptr @.str.4863, i64 4, i64 0 }, ptr %a649
+  store { ptr, i64, i64 } %t647, ptr %a650
+  call void @finch_str_concat(ptr %a648, ptr %a649, ptr %a650)
+  store { ptr, i64, i64 } %t647, ptr %a651
+  call void @finch_str_drop(ptr %a651)
+  %t652 = load { ptr, i64, i64 }, ptr %a648
+  %t653 = load i64, ptr %t643
+  %t654 = add i64 %t653, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t654, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t655 = load ptr, ptr %a263
+  %t656 = getelementptr inbounds { ptr, i64, i64 }, ptr %t655, i64 %t653
+  store { ptr, i64, i64 } %t652, ptr %t656
+  store i64 %t654, ptr %t643
+  br label %endif7607
+else7606:
+  %t657 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t658 = load ptr, ptr %a1
+  %t659 = load %S.ast.Type, ptr %a345
+  %t660 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t658, %S.ast.Type %t659)
+  %t661 = load ptr, ptr %a1
+  %t662 = load %S.ast.Type, ptr %a345
+  %t663 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t661, %S.ast.Type %t662)
+  store { ptr, i64, i64 } %t660, ptr %a665
+  store { ptr, i64, i64 } %t663, ptr %a666
+  call void @finch_str_concat(ptr %a664, ptr %a665, ptr %a666)
+  store { ptr, i64, i64 } %t660, ptr %a667
+  call void @finch_str_drop(ptr %a667)
+  store { ptr, i64, i64 } %t663, ptr %a668
+  call void @finch_str_drop(ptr %a668)
+  %t669 = load { ptr, i64, i64 }, ptr %a664
+  store { ptr, i64, i64 } %t669, ptr %a671
+  store { ptr, i64, i64 } { ptr @.str.4864, i64 1, i64 0 }, ptr %a672
+  call void @finch_str_concat(ptr %a670, ptr %a671, ptr %a672)
+  store { ptr, i64, i64 } %t669, ptr %a673
+  call void @finch_str_drop(ptr %a673)
+  %t674 = load { ptr, i64, i64 }, ptr %a670
+  %t675 = getelementptr inbounds %S.gen.Val, ptr %a403, i32 0, i32 0
+  %t676 = load { ptr, i64, i64 }, ptr %t675
+  store { ptr, i64, i64 } %t674, ptr %a678
+  store { ptr, i64, i64 } %t676, ptr %a679
+  call void @finch_str_concat(ptr %a677, ptr %a678, ptr %a679)
+  store { ptr, i64, i64 } %t674, ptr %a680
+  call void @finch_str_drop(ptr %a680)
+  %t681 = load { ptr, i64, i64 }, ptr %a677
+  %t682 = load i64, ptr %t657
+  %t683 = add i64 %t682, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t683, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t684 = load ptr, ptr %a263
+  %t685 = getelementptr inbounds { ptr, i64, i64 }, ptr %t684, i64 %t682
+  store { ptr, i64, i64 } %t681, ptr %t685
+  store i64 %t683, ptr %t657
+  br label %endif7607
+endif7607:
+  br label %endif7594
+endif7594:
+  br label %endif7591
+endif7591:
+  br label %endif7588
+endif7588:
+  call void @finch.drop.S_gen_Val(ptr %a403)
+  call void @finch.drop.S_gen_Abi(ptr %a357)
+  call void @finch.drop.S_ast_Type(ptr %a345)
+  br label %for.step7573
+endif7577:
+  %t686 = load ptr, ptr %a1
+  %t687 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t688 = load i64, ptr %a327
+  %t689 = load { ptr, i64, i64 }, ptr %t687
+  %t690 = extractvalue { ptr, i64, i64 } %t689, 1
+  %t691 = icmp uge i64 %t688, %t690
+  br i1 %t691, label %range7608, label %inrange7609
+range7608:
+  call void @finch_panic_index(ptr @.str.4865, i64 4504, i64 %t688, i64 %t690)
   unreachable
-inrange7250:
-  %t656 = extractvalue { ptr, i64, i64 } %t653, 0
-  %t657 = getelementptr inbounds %S.ast.Node, ptr %t656, i64 %t652
-  %t658 = load %S.ast.Node, ptr %t657
-  call void @finch.gen.fail(ptr %t650, %S.ast.Node %t658, { ptr, i64, i64 } { ptr @.str.4701, i64 68, i64 0 })
-  br label %endif7248
-endif7248:
-  %t659 = getelementptr inbounds %S.gen.Val, ptr %a615, i32 0, i32 0
-  %t660 = load { ptr, i64, i64 }, ptr %t659
-  store { ptr, i64, i64 } %t660, ptr %a661
-  call void @finch_str_copy(ptr %a662, ptr %a661)
-  %t663 = load { ptr, i64, i64 }, ptr %a662
-  store { ptr, i64, i64 } %t663, ptr %a664
-  %t665 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t666 = load { ptr, i64, i64 }, ptr %t665
-  store { ptr, i64, i64 } %t666, ptr %a667
-  store { ptr, i64, i64 } { ptr @.str.4702, i64 3, i64 0 }, ptr %a668
-  %t669 = call i32 @finch_str_eq(ptr %a667, ptr %a668)
-  %t670 = icmp ne i32 %t669, 0
-  br i1 %t670, label %then7251, label %else7252
-then7251:
-  %t671 = load ptr, ptr %a1
-  %t672 = load { ptr, i64, i64 }, ptr %a664
-  %t673 = load %S.ast.Type, ptr %a621
-  %t674 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4703, i64 5, i64 0 })
-  %t675 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t671, { ptr, i64, i64 } %t672, %S.ast.Type %t673, %S.ast.Type %t674)
-  store { ptr, i64, i64 } %t675, ptr %a664
-  %t676 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4704, i64 5, i64 0 })
-  store %S.ast.Type %t676, ptr %a621
-  br label %endif7253
-else7252:
-  %t677 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t678 = load { ptr, i64, i64 }, ptr %t677
-  store { ptr, i64, i64 } %t678, ptr %a679
-  store { ptr, i64, i64 } { ptr @.str.4705, i64 3, i64 0 }, ptr %a680
-  %t681 = call i32 @finch_str_eq(ptr %a679, ptr %a680)
-  %t682 = icmp ne i32 %t681, 0
-  br i1 %t682, label %then7254, label %else7255
-then7254:
-  %t683 = load ptr, ptr %a1
-  %t684 = load { ptr, i64, i64 }, ptr %a664
-  %t685 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t683, { ptr, i64, i64 } %t684)
-  store { ptr, i64, i64 } %t685, ptr %a664
-  %t686 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4706, i64 3, i64 0 })
-  store %S.ast.Type %t686, ptr %a621
-  br label %endif7256
-else7255:
-  %t687 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t688 = load { ptr, i64, i64 }, ptr %t687
-  store { ptr, i64, i64 } %t688, ptr %a689
-  store { ptr, i64, i64 } { ptr @.str.4707, i64 4, i64 0 }, ptr %a690
-  %t691 = call i32 @finch_str_eq(ptr %a689, ptr %a690)
-  %t692 = icmp ne i32 %t691, 0
-  br i1 %t692, label %then7257, label %else7258
-then7257:
-  %t693 = load ptr, ptr %a1
-  %t694 = getelementptr inbounds %S.gen.Val, ptr %a615, i32 0, i32 0
-  %t695 = load { ptr, i64, i64 }, ptr %t694
-  store { ptr, i64, i64 } { ptr @.str.4708, i64 8, i64 0 }, ptr %a697
-  store { ptr, i64, i64 } %t695, ptr %a698
-  call void @finch_str_concat(ptr %a696, ptr %a697, ptr %a698)
-  %t699 = load { ptr, i64, i64 }, ptr %a696
-  store { ptr, i64, i64 } %t699, ptr %a701
-  store { ptr, i64, i64 } { ptr @.str.4709, i64 7, i64 0 }, ptr %a702
-  call void @finch_str_concat(ptr %a700, ptr %a701, ptr %a702)
-  %t703 = load { ptr, i64, i64 }, ptr %a700
-  %t704 = call { ptr, i64, i64 } @finch.gen.op(ptr %t693, { ptr, i64, i64 } %t703)
-  store { ptr, i64, i64 } %t704, ptr %a664
-  %t705 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4710, i64 3, i64 0 })
-  store %S.ast.Type %t705, ptr %a621
-  br label %endif7259
-else7258:
-  %t706 = load %S.ast.Type, ptr %a621
-  %t707 = call i1 @finch.gen.isInt(%S.ast.Type %t706)
-  br label %logic.from7260
-logic.from7260:
-  br i1 %t707, label %logic.end7262, label %logic.rhs7261
-logic.rhs7261:
-  %t708 = getelementptr inbounds %S.ast.Type, ptr %a621, i32 0, i32 0
-  %t709 = load { ptr, i64, i64 }, ptr %t708
-  store { ptr, i64, i64 } %t709, ptr %a710
-  store { ptr, i64, i64 } { ptr @.str.4711, i64 4, i64 0 }, ptr %a711
-  %t712 = call i32 @finch_str_eq(ptr %a710, ptr %a711)
-  %t713 = icmp ne i32 %t712, 0
-  br label %logic.rend7263
-logic.rend7263:
-  br label %logic.end7262
-logic.end7262:
-  %t714 = phi i1 [ true, %logic.from7260 ], [ %t713, %logic.rend7263 ]
-  br label %logic.from7264
-logic.from7264:
-  br i1 %t714, label %logic.rhs7265, label %logic.end7266
-logic.rhs7265:
-  %t715 = load %S.ast.Type, ptr %a621
-  %t716 = call i64 @finch.gen.bitsOf(%S.ast.Type %t715)
-  %t717 = icmp slt i64 %t716, 32
-  br label %logic.rend7267
-logic.rend7267:
-  br label %logic.end7266
-logic.end7266:
-  %t718 = phi i1 [ false, %logic.from7264 ], [ %t717, %logic.rend7267 ]
-  br i1 %t718, label %then7268, label %endif7270
-then7268:
-  %t719 = load ptr, ptr %a1
-  %t720 = load { ptr, i64, i64 }, ptr %a664
-  %t721 = load %S.ast.Type, ptr %a621
-  %t722 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4712, i64 3, i64 0 })
-  %t723 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t719, { ptr, i64, i64 } %t720, %S.ast.Type %t721, %S.ast.Type %t722)
-  store { ptr, i64, i64 } %t723, ptr %a664
-  %t724 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4713, i64 3, i64 0 })
-  store %S.ast.Type %t724, ptr %a621
-  br label %endif7270
-endif7270:
-  br label %endif7259
-endif7259:
-  br label %endif7256
-endif7256:
-  br label %endif7253
-endif7253:
-  %t725 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  %t726 = load ptr, ptr %a1
-  %t727 = load %S.ast.Type, ptr %a621
-  %t728 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t726, %S.ast.Type %t727)
-  store { ptr, i64, i64 } %t728, ptr %a730
-  store { ptr, i64, i64 } { ptr @.str.4714, i64 1, i64 0 }, ptr %a731
-  call void @finch_str_concat(ptr %a729, ptr %a730, ptr %a731)
-  %t732 = load { ptr, i64, i64 }, ptr %a729
-  %t733 = load { ptr, i64, i64 }, ptr %a664
-  store { ptr, i64, i64 } %t732, ptr %a735
-  store { ptr, i64, i64 } %t733, ptr %a736
-  call void @finch_str_concat(ptr %a734, ptr %a735, ptr %a736)
-  %t737 = load { ptr, i64, i64 }, ptr %a734
-  %t738 = load i64, ptr %t725
-  %t739 = add i64 %t738, 1
-  call void @finch_arr_reserve(ptr %a236, i64 %t739, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t740 = load ptr, ptr %a236
-  %t741 = getelementptr inbounds { ptr, i64, i64 }, ptr %t740, i64 %t738
-  store { ptr, i64, i64 } %t737, ptr %t741
-  store i64 %t739, ptr %t725
-  br label %for.step7200
-for.step7200:
-  %t742 = load i64, ptr %a285
-  %t743 = add i64 %t742, 1
-  store i64 %t743, ptr %a285
-  br label %for.cond7198
-for.end7201:
-  %t744 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 2
-  %t745 = load { ptr, i64, i64 }, ptr %t744
-  store { ptr, i64, i64 } %t745, ptr %a746
-  call void @finch_str_copy(ptr %a747, ptr %a746)
-  %t748 = load { ptr, i64, i64 }, ptr %a747
-  store { ptr, i64, i64 } %t748, ptr %a749
-  store { ptr, i64, i64 } { ptr @.str.4715, i64 0, i64 0 }, ptr %a750
-  %t751 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 0
-  %t752 = getelementptr inbounds %S.gen.Abi, ptr %t751, i32 0, i32 0
-  %t753 = load { ptr, i64, i64 }, ptr %t752
-  store { ptr, i64, i64 } %t753, ptr %a754
-  store { ptr, i64, i64 } { ptr @.str.4716, i64 6, i64 0 }, ptr %a755
-  %t756 = call i32 @finch_str_eq(ptr %a754, ptr %a755)
-  %t757 = icmp ne i32 %t756, 0
-  br i1 %t757, label %then7271, label %endif7273
-then7271:
-  %t758 = load ptr, ptr %a1
-  %t759 = load %S.ast.Type, ptr %a192
-  %t760 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t758, %S.ast.Type %t759)
-  store { ptr, i64, i64 } %t760, ptr %a750
-  br label %endif7273
-endif7273:
-  store { ptr, i64, i64 } { ptr @.str.4717, i64 0, i64 0 }, ptr %a761
-  %t762 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
-  %t763 = load i1, ptr %t762
-  br i1 %t763, label %then7274, label %endif7276
-then7274:
-  store { ptr, i64, i64 } { ptr @.str.4718, i64 5, i64 0 }, ptr %a761
-  %t764 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  %t765 = load i64, ptr %t764
-  %t766 = icmp eq i64 %t765, 0
-  br i1 %t766, label %then7277, label %endif7279
-then7277:
-  store { ptr, i64, i64 } { ptr @.str.4719, i64 3, i64 0 }, ptr %a761
-  br label %endif7279
-endif7279:
-  br label %endif7276
-endif7276:
-  %t767 = load ptr, ptr %a1
-  %t768 = icmp eq ptr %t767, null
-  br i1 %t768, label %panic7280, label %ok7281
-panic7280:
-  call void @finch_panic(ptr @.str.4720, i64 4250, ptr @.str.4721)
+inrange7609:
+  %t692 = extractvalue { ptr, i64, i64 } %t689, 0
+  %t693 = getelementptr inbounds %S.ast.Node, ptr %t692, i64 %t688
+  %t694 = load %S.ast.Node, ptr %t693
+  %t695 = call %S.gen.Val @finch.gen.expr(ptr %t686, %S.ast.Node %t694)
+  store %S.gen.Val %t695, ptr %a696
+  %t697 = getelementptr inbounds %S.gen.Val, ptr %a696, i32 0, i32 1
+  %t698 = load %S.ast.Type, ptr %t697
+  store %S.ast.Type %t698, ptr %a699
+  call void @finch.copy.S_ast_Type(ptr %a700, ptr %a699)
+  %t701 = load %S.ast.Type, ptr %a700
+  store %S.ast.Type %t701, ptr %a702
+  %t703 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t704 = load { ptr, i64, i64 }, ptr %t703
+  store { ptr, i64, i64 } %t704, ptr %a705
+  store { ptr, i64, i64 } { ptr @.str.4866, i64 4, i64 0 }, ptr %a706
+  %t707 = call i32 @finch_str_eq(ptr %a705, ptr %a706)
+  %t708 = icmp ne i32 %t707, 0
+  br i1 %t708, label %then7610, label %endif7612
+then7610:
+  %t709 = load ptr, ptr %a1
+  %t710 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t711 = load i64, ptr %a327
+  %t712 = load { ptr, i64, i64 }, ptr %t710
+  %t713 = extractvalue { ptr, i64, i64 } %t712, 1
+  %t714 = icmp uge i64 %t711, %t713
+  br i1 %t714, label %range7613, label %inrange7614
+range7613:
+  call void @finch_panic_index(ptr @.str.4867, i64 4507, i64 %t711, i64 %t713)
   unreachable
-ok7281:
-  %t769 = getelementptr inbounds %S.gen.Gen, ptr %t767, i32 0, i32 38
-  %t770 = getelementptr inbounds { ptr, i64, i64 }, ptr %t769, i32 0, i32 1
-  %t771 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t772 = load { ptr, i64, i64 }, ptr %t771
-  store { ptr, i64, i64 } { ptr @.str.4722, i64 2, i64 0 }, ptr %a774
-  store { ptr, i64, i64 } %t772, ptr %a775
-  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
-  %t776 = load { ptr, i64, i64 }, ptr %a773
-  store i64 -1, ptr %a777
-  %t778 = load i64, ptr %t770
-  %t779 = load ptr, ptr %t769
-  store i64 0, ptr %a780
-  br label %find.cond7282
-find.cond7282:
-  %t781 = load i64, ptr %a780
-  %t782 = icmp slt i64 %t781, %t778
-  br i1 %t782, label %find.body7283, label %find.end7286
-find.body7283:
-  %t783 = getelementptr inbounds { ptr, i64, i64 }, ptr %t779, i64 %t781
-  %t784 = load { ptr, i64, i64 }, ptr %t783
-  store { ptr, i64, i64 } %t784, ptr %a785
-  store { ptr, i64, i64 } %t776, ptr %a786
-  %t787 = call i32 @finch_str_eq(ptr %a785, ptr %a786)
-  %t788 = icmp ne i32 %t787, 0
-  br i1 %t788, label %find.hit7284, label %find.next7285
-find.hit7284:
-  store i64 %t781, ptr %a777
-  br label %find.end7286
-find.next7285:
-  %t789 = add i64 %t781, 1
-  store i64 %t789, ptr %a780
-  br label %find.cond7282
-find.end7286:
-  %t790 = load i64, ptr %a777
-  %t791 = icmp sge i64 %t790, 0
-  %t792 = xor i1 %t791, true
-  br i1 %t792, label %then7287, label %endif7289
-then7287:
-  %t793 = load ptr, ptr %a1
-  %t794 = icmp eq ptr %t793, null
-  br i1 %t794, label %panic7290, label %ok7291
-panic7290:
-  call void @finch_panic(ptr @.str.4723, i64 4251, ptr @.str.4724)
+inrange7614:
+  %t715 = extractvalue { ptr, i64, i64 } %t712, 0
+  %t716 = getelementptr inbounds %S.ast.Node, ptr %t715, i64 %t711
+  %t717 = load %S.ast.Node, ptr %t716
+  call void @finch.gen.fail(ptr %t709, %S.ast.Node %t717, { ptr, i64, i64 } { ptr @.str.4868, i64 23, i64 0 })
+  br label %endif7612
+endif7612:
+  %t718 = getelementptr inbounds { ptr, i64, i64 }, ptr %a317, i32 0, i32 1
+  %t719 = load %S.gen.Val, ptr %a696
+  store %S.gen.Val %t719, ptr %a720
+  call void @finch.copy.S_gen_Val(ptr %a721, ptr %a720)
+  %t722 = load %S.gen.Val, ptr %a721
+  %t723 = load i64, ptr %t718
+  %t724 = add i64 %t723, 1
+  call void @finch_arr_reserve(ptr %a317, i64 %t724, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t725 = load ptr, ptr %a317
+  %t726 = getelementptr inbounds %S.gen.Val, ptr %t725, i64 %t723
+  store %S.gen.Val %t722, ptr %t726
+  store i64 %t724, ptr %t718
+  %t727 = load ptr, ptr %a1
+  %t728 = load %S.gen.Val, ptr %a696
+  call void @finch.gen.hold(ptr %t727, %S.gen.Val %t728)
+  %t729 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t730 = load { ptr, i64, i64 }, ptr %t729
+  store { ptr, i64, i64 } %t730, ptr %a731
+  store { ptr, i64, i64 } { ptr @.str.4869, i64 6, i64 0 }, ptr %a732
+  %t733 = call i32 @finch_str_eq(ptr %a731, ptr %a732)
+  %t734 = icmp ne i32 %t733, 0
+  br label %logic.from7615
+logic.from7615:
+  br i1 %t734, label %logic.end7617, label %logic.rhs7616
+logic.rhs7616:
+  %t735 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t736 = load { ptr, i64, i64 }, ptr %t735
+  store { ptr, i64, i64 } %t736, ptr %a737
+  store { ptr, i64, i64 } { ptr @.str.4870, i64 5, i64 0 }, ptr %a738
+  %t739 = call i32 @finch_str_eq(ptr %a737, ptr %a738)
+  %t740 = icmp ne i32 %t739, 0
+  br label %logic.rend7618
+logic.rend7618:
+  br label %logic.end7617
+logic.end7617:
+  %t741 = phi i1 [ true, %logic.from7615 ], [ %t740, %logic.rend7618 ]
+  br i1 %t741, label %then7619, label %endif7621
+then7619:
+  %t742 = load ptr, ptr %a1
+  %t743 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t744 = load i64, ptr %a327
+  %t745 = load { ptr, i64, i64 }, ptr %t743
+  %t746 = extractvalue { ptr, i64, i64 } %t745, 1
+  %t747 = icmp uge i64 %t744, %t746
+  br i1 %t747, label %range7622, label %inrange7623
+range7622:
+  call void @finch_panic_index(ptr @.str.4871, i64 4512, i64 %t744, i64 %t746)
   unreachable
-ok7291:
-  %t795 = getelementptr inbounds %S.gen.Gen, ptr %t793, i32 0, i32 38
-  %t796 = getelementptr inbounds { ptr, i64, i64 }, ptr %t795, i32 0, i32 1
-  %t797 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t798 = load { ptr, i64, i64 }, ptr %t797
-  store { ptr, i64, i64 } { ptr @.str.4725, i64 2, i64 0 }, ptr %a800
-  store { ptr, i64, i64 } %t798, ptr %a801
-  call void @finch_str_concat(ptr %a799, ptr %a800, ptr %a801)
-  %t802 = load { ptr, i64, i64 }, ptr %a799
-  %t803 = load i64, ptr %t796
-  %t804 = add i64 %t803, 1
-  call void @finch_arr_reserve(ptr %t795, i64 %t804, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t805 = load ptr, ptr %t795
-  %t806 = getelementptr inbounds { ptr, i64, i64 }, ptr %t805, i64 %t803
-  store { ptr, i64, i64 } %t802, ptr %t806
-  store i64 %t804, ptr %t796
-  %t807 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t808 = load { ptr, i64, i64 }, ptr %t807
-  %t809 = call i1 @finch.gen.runtimeDeclares({ ptr, i64, i64 } %t808)
-  %t810 = xor i1 %t809, true
-  br i1 %t810, label %then7292, label %endif7294
-then7292:
-  %t811 = load ptr, ptr %a1
-  %t812 = icmp eq ptr %t811, null
-  br i1 %t812, label %panic7295, label %ok7296
-panic7295:
-  call void @finch_panic(ptr @.str.4726, i64 4253, ptr @.str.4727)
-  unreachable
-ok7296:
-  %t813 = getelementptr inbounds %S.gen.Gen, ptr %t811, i32 0, i32 2
-  %t814 = getelementptr inbounds { ptr, i64, i64 }, ptr %t813, i32 0, i32 1
-  %t815 = load { ptr, i64, i64 }, ptr %a750
-  store { ptr, i64, i64 } { ptr @.str.4728, i64 7, i64 0 }, ptr %a817
-  store { ptr, i64, i64 } %t815, ptr %a818
-  call void @finch_str_concat(ptr %a816, ptr %a817, ptr %a818)
-  %t819 = load { ptr, i64, i64 }, ptr %a816
-  store { ptr, i64, i64 } %t819, ptr %a821
-  store { ptr, i64, i64 } { ptr @.str.4729, i64 1, i64 0 }, ptr %a822
-  call void @finch_str_concat(ptr %a820, ptr %a821, ptr %a822)
-  %t823 = load { ptr, i64, i64 }, ptr %a820
-  %t824 = load { ptr, i64, i64 }, ptr %a749
-  store { ptr, i64, i64 } %t823, ptr %a826
-  store { ptr, i64, i64 } %t824, ptr %a827
-  call void @finch_str_concat(ptr %a825, ptr %a826, ptr %a827)
-  %t828 = load { ptr, i64, i64 }, ptr %a825
-  store { ptr, i64, i64 } %t828, ptr %a830
-  store { ptr, i64, i64 } { ptr @.str.4730, i64 2, i64 0 }, ptr %a831
-  call void @finch_str_concat(ptr %a829, ptr %a830, ptr %a831)
-  %t832 = load { ptr, i64, i64 }, ptr %a829
-  %t833 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t834 = load { ptr, i64, i64 }, ptr %t833
-  store { ptr, i64, i64 } %t832, ptr %a836
-  store { ptr, i64, i64 } %t834, ptr %a837
-  call void @finch_str_concat(ptr %a835, ptr %a836, ptr %a837)
-  %t838 = load { ptr, i64, i64 }, ptr %a835
-  store { ptr, i64, i64 } %t838, ptr %a840
-  store { ptr, i64, i64 } { ptr @.str.4731, i64 1, i64 0 }, ptr %a841
-  call void @finch_str_concat(ptr %a839, ptr %a840, ptr %a841)
-  %t842 = load { ptr, i64, i64 }, ptr %a839
-  %t843 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4732, i64 2, i64 0 }, ptr %a844
-  call void @finch_str_join(ptr %a845, ptr %a235, ptr %a844)
-  %t846 = load { ptr, i64, i64 }, ptr %a845
-  store { ptr, i64, i64 } %t842, ptr %a848
+inrange7623:
+  %t748 = extractvalue { ptr, i64, i64 } %t745, 0
+  %t749 = getelementptr inbounds %S.ast.Node, ptr %t748, i64 %t744
+  %t750 = load %S.ast.Node, ptr %t749
+  call void @finch.gen.fail(ptr %t742, %S.ast.Node %t750, { ptr, i64, i64 } { ptr @.str.4872, i64 68, i64 0 })
+  br label %endif7621
+endif7621:
+  %t751 = getelementptr inbounds %S.gen.Val, ptr %a696, i32 0, i32 0
+  %t752 = load { ptr, i64, i64 }, ptr %t751
+  store { ptr, i64, i64 } %t752, ptr %a753
+  call void @finch_str_copy(ptr %a754, ptr %a753)
+  %t755 = load { ptr, i64, i64 }, ptr %a754
+  store { ptr, i64, i64 } %t755, ptr %a756
+  %t757 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t758 = load { ptr, i64, i64 }, ptr %t757
+  store { ptr, i64, i64 } %t758, ptr %a759
+  store { ptr, i64, i64 } { ptr @.str.4873, i64 3, i64 0 }, ptr %a760
+  %t761 = call i32 @finch_str_eq(ptr %a759, ptr %a760)
+  %t762 = icmp ne i32 %t761, 0
+  br i1 %t762, label %then7624, label %else7625
+then7624:
+  %t763 = load ptr, ptr %a1
+  %t764 = load { ptr, i64, i64 }, ptr %a756
+  %t765 = load %S.ast.Type, ptr %a702
+  %t766 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4874, i64 5, i64 0 })
+  %t767 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t763, { ptr, i64, i64 } %t764, %S.ast.Type %t765, %S.ast.Type %t766)
+  store %S.ast.Type %t766, ptr %a768
+  call void @finch.drop.S_ast_Type(ptr %a768)
+  %t769 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t767, ptr %a756
+  store { ptr, i64, i64 } %t769, ptr %a770
+  call void @finch_str_drop(ptr %a770)
+  %t771 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4875, i64 5, i64 0 })
+  %t772 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t771, ptr %a702
+  store %S.ast.Type %t772, ptr %a773
+  call void @finch.drop.S_ast_Type(ptr %a773)
+  br label %endif7626
+else7625:
+  %t774 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t775 = load { ptr, i64, i64 }, ptr %t774
+  store { ptr, i64, i64 } %t775, ptr %a776
+  store { ptr, i64, i64 } { ptr @.str.4876, i64 3, i64 0 }, ptr %a777
+  %t778 = call i32 @finch_str_eq(ptr %a776, ptr %a777)
+  %t779 = icmp ne i32 %t778, 0
+  br i1 %t779, label %then7627, label %else7628
+then7627:
+  %t780 = load ptr, ptr %a1
+  %t781 = load { ptr, i64, i64 }, ptr %a756
+  %t782 = call { ptr, i64, i64 } @finch.gen.cstr(ptr %t780, { ptr, i64, i64 } %t781)
+  %t783 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t782, ptr %a756
+  store { ptr, i64, i64 } %t783, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4877, i64 3, i64 0 })
+  %t786 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t785, ptr %a702
+  store %S.ast.Type %t786, ptr %a787
+  call void @finch.drop.S_ast_Type(ptr %a787)
+  br label %endif7629
+else7628:
+  %t788 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t789 = load { ptr, i64, i64 }, ptr %t788
+  store { ptr, i64, i64 } %t789, ptr %a790
+  store { ptr, i64, i64 } { ptr @.str.4878, i64 4, i64 0 }, ptr %a791
+  %t792 = call i32 @finch_str_eq(ptr %a790, ptr %a791)
+  %t793 = icmp ne i32 %t792, 0
+  br i1 %t793, label %then7630, label %else7631
+then7630:
+  %t794 = load ptr, ptr %a1
+  %t795 = getelementptr inbounds %S.gen.Val, ptr %a696, i32 0, i32 0
+  %t796 = load { ptr, i64, i64 }, ptr %t795
+  store { ptr, i64, i64 } { ptr @.str.4879, i64 8, i64 0 }, ptr %a798
+  store { ptr, i64, i64 } %t796, ptr %a799
+  call void @finch_str_concat(ptr %a797, ptr %a798, ptr %a799)
+  %t800 = load { ptr, i64, i64 }, ptr %a797
+  store { ptr, i64, i64 } %t800, ptr %a802
+  store { ptr, i64, i64 } { ptr @.str.4880, i64 7, i64 0 }, ptr %a803
+  call void @finch_str_concat(ptr %a801, ptr %a802, ptr %a803)
+  store { ptr, i64, i64 } %t800, ptr %a804
+  call void @finch_str_drop(ptr %a804)
+  %t805 = load { ptr, i64, i64 }, ptr %a801
+  %t806 = call { ptr, i64, i64 } @finch.gen.op(ptr %t794, { ptr, i64, i64 } %t805)
+  store { ptr, i64, i64 } %t805, ptr %a807
+  call void @finch_str_drop(ptr %a807)
+  %t808 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t806, ptr %a756
+  store { ptr, i64, i64 } %t808, ptr %a809
+  call void @finch_str_drop(ptr %a809)
+  %t810 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4881, i64 3, i64 0 })
+  %t811 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t810, ptr %a702
+  store %S.ast.Type %t811, ptr %a812
+  call void @finch.drop.S_ast_Type(ptr %a812)
+  br label %endif7632
+else7631:
+  %t813 = load %S.ast.Type, ptr %a702
+  %t814 = call i1 @finch.gen.isInt(%S.ast.Type %t813)
+  br label %logic.from7633
+logic.from7633:
+  br i1 %t814, label %logic.end7635, label %logic.rhs7634
+logic.rhs7634:
+  %t815 = getelementptr inbounds %S.ast.Type, ptr %a702, i32 0, i32 0
+  %t816 = load { ptr, i64, i64 }, ptr %t815
+  store { ptr, i64, i64 } %t816, ptr %a817
+  store { ptr, i64, i64 } { ptr @.str.4882, i64 4, i64 0 }, ptr %a818
+  %t819 = call i32 @finch_str_eq(ptr %a817, ptr %a818)
+  %t820 = icmp ne i32 %t819, 0
+  br label %logic.rend7636
+logic.rend7636:
+  br label %logic.end7635
+logic.end7635:
+  %t821 = phi i1 [ true, %logic.from7633 ], [ %t820, %logic.rend7636 ]
+  br label %logic.from7637
+logic.from7637:
+  br i1 %t821, label %logic.rhs7638, label %logic.end7639
+logic.rhs7638:
+  %t822 = load %S.ast.Type, ptr %a702
+  %t823 = call i64 @finch.gen.bitsOf(%S.ast.Type %t822)
+  %t824 = icmp slt i64 %t823, 32
+  br label %logic.rend7640
+logic.rend7640:
+  br label %logic.end7639
+logic.end7639:
+  %t825 = phi i1 [ false, %logic.from7637 ], [ %t824, %logic.rend7640 ]
+  br i1 %t825, label %then7641, label %endif7643
+then7641:
+  %t826 = load ptr, ptr %a1
+  %t827 = load { ptr, i64, i64 }, ptr %a756
+  %t828 = load %S.ast.Type, ptr %a702
+  %t829 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4883, i64 3, i64 0 })
+  %t830 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t826, { ptr, i64, i64 } %t827, %S.ast.Type %t828, %S.ast.Type %t829)
+  store %S.ast.Type %t829, ptr %a831
+  call void @finch.drop.S_ast_Type(ptr %a831)
+  %t832 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t830, ptr %a756
+  store { ptr, i64, i64 } %t832, ptr %a833
+  call void @finch_str_drop(ptr %a833)
+  %t834 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4884, i64 3, i64 0 })
+  %t835 = load %S.ast.Type, ptr %a702
+  store %S.ast.Type %t834, ptr %a702
+  store %S.ast.Type %t835, ptr %a836
+  call void @finch.drop.S_ast_Type(ptr %a836)
+  br label %endif7643
+endif7643:
+  br label %endif7632
+endif7632:
+  br label %endif7629
+endif7629:
+  br label %endif7626
+endif7626:
+  %t837 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  %t838 = load ptr, ptr %a1
+  %t839 = load %S.ast.Type, ptr %a702
+  %t840 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t838, %S.ast.Type %t839)
+  store { ptr, i64, i64 } %t840, ptr %a842
+  store { ptr, i64, i64 } { ptr @.str.4885, i64 1, i64 0 }, ptr %a843
+  call void @finch_str_concat(ptr %a841, ptr %a842, ptr %a843)
+  store { ptr, i64, i64 } %t840, ptr %a844
+  call void @finch_str_drop(ptr %a844)
+  %t845 = load { ptr, i64, i64 }, ptr %a841
+  %t846 = load { ptr, i64, i64 }, ptr %a756
+  store { ptr, i64, i64 } %t845, ptr %a848
   store { ptr, i64, i64 } %t846, ptr %a849
   call void @finch_str_concat(ptr %a847, ptr %a848, ptr %a849)
-  %t850 = load { ptr, i64, i64 }, ptr %a847
-  %t851 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t850, ptr %a853
-  store { ptr, i64, i64 } %t851, ptr %a854
-  call void @finch_str_concat(ptr %a852, ptr %a853, ptr %a854)
-  %t855 = load { ptr, i64, i64 }, ptr %a852
-  store { ptr, i64, i64 } %t855, ptr %a857
-  store { ptr, i64, i64 } { ptr @.str.4733, i64 1, i64 0 }, ptr %a858
-  call void @finch_str_concat(ptr %a856, ptr %a857, ptr %a858)
-  %t859 = load { ptr, i64, i64 }, ptr %a856
-  %t860 = load i64, ptr %t814
-  %t861 = add i64 %t860, 1
-  call void @finch_arr_reserve(ptr %t813, i64 %t861, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t862 = load ptr, ptr %t813
-  %t863 = getelementptr inbounds { ptr, i64, i64 }, ptr %t862, i64 %t860
-  store { ptr, i64, i64 } %t859, ptr %t863
-  store i64 %t861, ptr %t814
-  br label %endif7294
-endif7294:
-  br label %endif7289
-endif7289:
-  store { ptr, i64, i64 } { ptr @.str.4734, i64 0, i64 0 }, ptr %a864
-  %t865 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
-  %t866 = load i1, ptr %t865
-  br i1 %t866, label %then7297, label %endif7299
-then7297:
-  %t867 = getelementptr inbounds { ptr, i64, i64 }, ptr %a235, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4736, i64 2, i64 0 }, ptr %a868
-  call void @finch_str_join(ptr %a869, ptr %a235, ptr %a868)
-  %t870 = load { ptr, i64, i64 }, ptr %a869
-  store { ptr, i64, i64 } { ptr @.str.4735, i64 2, i64 0 }, ptr %a872
-  store { ptr, i64, i64 } %t870, ptr %a873
-  call void @finch_str_concat(ptr %a871, ptr %a872, ptr %a873)
-  %t874 = load { ptr, i64, i64 }, ptr %a871
-  %t875 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t874, ptr %a877
-  store { ptr, i64, i64 } %t875, ptr %a878
-  call void @finch_str_concat(ptr %a876, ptr %a877, ptr %a878)
-  %t879 = load { ptr, i64, i64 }, ptr %a876
-  store { ptr, i64, i64 } %t879, ptr %a881
-  store { ptr, i64, i64 } { ptr @.str.4737, i64 1, i64 0 }, ptr %a882
-  call void @finch_str_concat(ptr %a880, ptr %a881, ptr %a882)
-  %t883 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } %t883, ptr %a864
-  br label %endif7299
-endif7299:
-  %t884 = load { ptr, i64, i64 }, ptr %a750
-  store { ptr, i64, i64 } { ptr @.str.4738, i64 4, i64 0 }, ptr %a886
-  store { ptr, i64, i64 } %t884, ptr %a887
-  call void @finch_str_concat(ptr %a885, ptr %a886, ptr %a887)
-  %t888 = load { ptr, i64, i64 }, ptr %a885
-  store { ptr, i64, i64 } %t888, ptr %a890
-  store { ptr, i64, i64 } { ptr @.str.4739, i64 1, i64 0 }, ptr %a891
-  call void @finch_str_concat(ptr %a889, ptr %a890, ptr %a891)
-  %t892 = load { ptr, i64, i64 }, ptr %a889
-  %t893 = load { ptr, i64, i64 }, ptr %a749
+  store { ptr, i64, i64 } %t845, ptr %a850
+  call void @finch_str_drop(ptr %a850)
+  %t851 = load { ptr, i64, i64 }, ptr %a847
+  %t852 = load i64, ptr %t837
+  %t853 = add i64 %t852, 1
+  call void @finch_arr_reserve(ptr %a263, i64 %t853, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t854 = load ptr, ptr %a263
+  %t855 = getelementptr inbounds { ptr, i64, i64 }, ptr %t854, i64 %t852
+  store { ptr, i64, i64 } %t851, ptr %t855
+  store i64 %t853, ptr %t837
+  call void @finch_str_drop(ptr %a756)
+  call void @finch.drop.S_ast_Type(ptr %a702)
+  call void @finch.drop.S_gen_Val(ptr %a696)
+  br label %for.step7573
+for.step7573:
+  %t856 = load i64, ptr %a327
+  %t857 = add i64 %t856, 1
+  store i64 %t857, ptr %a327
+  br label %for.cond7571
+for.end7574:
+  %t858 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 2
+  %t859 = load { ptr, i64, i64 }, ptr %t858
+  store { ptr, i64, i64 } %t859, ptr %a860
+  call void @finch_str_copy(ptr %a861, ptr %a860)
+  %t862 = load { ptr, i64, i64 }, ptr %a861
+  store { ptr, i64, i64 } %t862, ptr %a863
+  store { ptr, i64, i64 } { ptr @.str.4886, i64 0, i64 0 }, ptr %a864
+  %t865 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 0
+  %t866 = getelementptr inbounds %S.gen.Abi, ptr %t865, i32 0, i32 0
+  %t867 = load { ptr, i64, i64 }, ptr %t866
+  store { ptr, i64, i64 } %t867, ptr %a868
+  store { ptr, i64, i64 } { ptr @.str.4887, i64 6, i64 0 }, ptr %a869
+  %t870 = call i32 @finch_str_eq(ptr %a868, ptr %a869)
+  %t871 = icmp ne i32 %t870, 0
+  br i1 %t871, label %then7644, label %endif7646
+then7644:
+  %t872 = load ptr, ptr %a1
+  %t873 = load %S.ast.Type, ptr %a219
+  %t874 = call { ptr, i64, i64 } @finch.gen.cExt(ptr %t872, %S.ast.Type %t873)
+  %t875 = load { ptr, i64, i64 }, ptr %a864
+  store { ptr, i64, i64 } %t874, ptr %a864
+  store { ptr, i64, i64 } %t875, ptr %a876
+  call void @finch_str_drop(ptr %a876)
+  br label %endif7646
+endif7646:
+  store { ptr, i64, i64 } { ptr @.str.4888, i64 0, i64 0 }, ptr %a877
+  %t878 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
+  %t879 = load i1, ptr %t878
+  br i1 %t879, label %then7647, label %endif7649
+then7647:
+  %t880 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } { ptr @.str.4889, i64 5, i64 0 }, ptr %a877
+  store { ptr, i64, i64 } %t880, ptr %a881
+  call void @finch_str_drop(ptr %a881)
+  %t882 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  %t883 = load i64, ptr %t882
+  %t884 = icmp eq i64 %t883, 0
+  br i1 %t884, label %then7650, label %endif7652
+then7650:
+  %t885 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } { ptr @.str.4890, i64 3, i64 0 }, ptr %a877
+  store { ptr, i64, i64 } %t885, ptr %a886
+  call void @finch_str_drop(ptr %a886)
+  br label %endif7652
+endif7652:
+  br label %endif7649
+endif7649:
+  %t887 = load ptr, ptr %a1
+  %t888 = icmp eq ptr %t887, null
+  br i1 %t888, label %panic7653, label %ok7654
+panic7653:
+  call void @finch_panic(ptr @.str.4891, i64 4543, ptr @.str.4892)
+  unreachable
+ok7654:
+  %t889 = getelementptr inbounds %S.gen.Gen, ptr %t887, i32 0, i32 39
+  %t890 = getelementptr inbounds { ptr, i64, i64 }, ptr %t889, i32 0, i32 1
+  %t891 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t892 = load { ptr, i64, i64 }, ptr %t891
+  store { ptr, i64, i64 } { ptr @.str.4893, i64 2, i64 0 }, ptr %a894
   store { ptr, i64, i64 } %t892, ptr %a895
-  store { ptr, i64, i64 } %t893, ptr %a896
-  call void @finch_str_concat(ptr %a894, ptr %a895, ptr %a896)
-  %t897 = load { ptr, i64, i64 }, ptr %a894
-  %t898 = load { ptr, i64, i64 }, ptr %a864
-  store { ptr, i64, i64 } %t897, ptr %a900
-  store { ptr, i64, i64 } %t898, ptr %a901
-  call void @finch_str_concat(ptr %a899, ptr %a900, ptr %a901)
-  %t902 = load { ptr, i64, i64 }, ptr %a899
-  store { ptr, i64, i64 } %t902, ptr %a904
-  store { ptr, i64, i64 } { ptr @.str.4740, i64 2, i64 0 }, ptr %a905
-  call void @finch_str_concat(ptr %a903, ptr %a904, ptr %a905)
-  %t906 = load { ptr, i64, i64 }, ptr %a903
-  %t907 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
-  %t908 = load { ptr, i64, i64 }, ptr %t907
-  store { ptr, i64, i64 } %t906, ptr %a910
-  store { ptr, i64, i64 } %t908, ptr %a911
-  call void @finch_str_concat(ptr %a909, ptr %a910, ptr %a911)
-  %t912 = load { ptr, i64, i64 }, ptr %a909
-  store { ptr, i64, i64 } %t912, ptr %a914
-  store { ptr, i64, i64 } { ptr @.str.4741, i64 1, i64 0 }, ptr %a915
-  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
-  %t916 = load { ptr, i64, i64 }, ptr %a913
-  %t917 = getelementptr inbounds { ptr, i64, i64 }, ptr %a236, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.4742, i64 2, i64 0 }, ptr %a918
-  call void @finch_str_join(ptr %a919, ptr %a236, ptr %a918)
-  %t920 = load { ptr, i64, i64 }, ptr %a919
-  store { ptr, i64, i64 } %t916, ptr %a922
-  store { ptr, i64, i64 } %t920, ptr %a923
-  call void @finch_str_concat(ptr %a921, ptr %a922, ptr %a923)
-  %t924 = load { ptr, i64, i64 }, ptr %a921
-  store { ptr, i64, i64 } %t924, ptr %a926
-  store { ptr, i64, i64 } { ptr @.str.4743, i64 1, i64 0 }, ptr %a927
-  call void @finch_str_concat(ptr %a925, ptr %a926, ptr %a927)
-  %t928 = load { ptr, i64, i64 }, ptr %a925
-  store { ptr, i64, i64 } %t928, ptr %a929
-  %t930 = getelementptr inbounds %S.ast.Type, ptr %a192, i32 0, i32 0
-  %t931 = load { ptr, i64, i64 }, ptr %t930
-  store { ptr, i64, i64 } %t931, ptr %a932
-  store { ptr, i64, i64 } { ptr @.str.4744, i64 4, i64 0 }, ptr %a933
-  %t934 = call i32 @finch_str_eq(ptr %a932, ptr %a933)
-  %t935 = icmp ne i32 %t934, 0
-  br i1 %t935, label %then7300, label %endif7302
-then7300:
-  %t936 = load ptr, ptr %a1
-  %t937 = load { ptr, i64, i64 }, ptr %a929
-  call void @finch.gen.emit(ptr %t936, { ptr, i64, i64 } %t937)
-  %t938 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t938, ptr %a939
-  call void @finch.copy.S_ast_Type(ptr %a940, ptr %a939)
-  %t941 = load %S.ast.Type, ptr %a940
-  %t942 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t941, 1
-  ret %S.gen.Val %t942
-endif7302:
-  %t943 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 3
-  %t944 = load i1, ptr %t943
-  br i1 %t944, label %then7303, label %endif7305
-then7303:
-  %t945 = load ptr, ptr %a1
-  %t946 = load { ptr, i64, i64 }, ptr %a929
-  call void @finch.gen.emit(ptr %t945, { ptr, i64, i64 } %t946)
-  %t947 = load ptr, ptr %a1
-  %t948 = load ptr, ptr %a1
-  %t949 = load %S.ast.Type, ptr %a192
-  %t950 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t948, %S.ast.Type %t949)
-  %t951 = load { ptr, i64, i64 }, ptr %a237
-  %t952 = call { ptr, i64, i64 } @finch.gen.load(ptr %t947, { ptr, i64, i64 } %t950, { ptr, i64, i64 } %t951)
-  %t953 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t952, 0
-  %t954 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t954, ptr %a955
-  call void @finch.copy.S_ast_Type(ptr %a956, ptr %a955)
-  %t957 = load %S.ast.Type, ptr %a956
-  %t958 = insertvalue %S.gen.Val %t953, %S.ast.Type %t957, 1
-  ret %S.gen.Val %t958
-endif7305:
-  %t959 = load ptr, ptr %a1
-  %t960 = load { ptr, i64, i64 }, ptr %a929
-  %t961 = call { ptr, i64, i64 } @finch.gen.op(ptr %t959, { ptr, i64, i64 } %t960)
-  store { ptr, i64, i64 } %t961, ptr %a962
-  %t963 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 0
-  %t964 = getelementptr inbounds %S.gen.Abi, ptr %t963, i32 0, i32 0
-  %t965 = load { ptr, i64, i64 }, ptr %t964
-  store { ptr, i64, i64 } %t965, ptr %a966
-  store { ptr, i64, i64 } { ptr @.str.4745, i64 6, i64 0 }, ptr %a967
-  %t968 = call i32 @finch_str_eq(ptr %a966, ptr %a967)
-  %t969 = icmp ne i32 %t968, 0
-  br i1 %t969, label %then7306, label %endif7308
-then7306:
-  %t970 = load ptr, ptr %a1
-  %t971 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t970, { ptr, i64, i64 } { ptr @.str.4746, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t971, ptr %a972
-  %t973 = load ptr, ptr %a1
-  %t974 = getelementptr inbounds %S.gen.Plan, ptr %a234, i32 0, i32 0
-  %t975 = getelementptr inbounds %S.gen.Abi, ptr %t974, i32 0, i32 2
-  %t976 = load { ptr, i64, i64 }, ptr %t975
-  %t977 = load { ptr, i64, i64 }, ptr %a962
-  %t978 = load { ptr, i64, i64 }, ptr %a972
-  call void @finch.gen.store(ptr %t973, { ptr, i64, i64 } %t976, { ptr, i64, i64 } %t977, { ptr, i64, i64 } %t978)
-  %t979 = load ptr, ptr %a1
-  %t980 = load ptr, ptr %a1
-  %t981 = load %S.ast.Type, ptr %a192
-  %t982 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t980, %S.ast.Type %t981)
-  %t983 = load { ptr, i64, i64 }, ptr %a972
-  %t984 = call { ptr, i64, i64 } @finch.gen.load(ptr %t979, { ptr, i64, i64 } %t982, { ptr, i64, i64 } %t983)
-  %t985 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t984, 0
-  %t986 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t986, ptr %a987
-  call void @finch.copy.S_ast_Type(ptr %a988, ptr %a987)
-  %t989 = load %S.ast.Type, ptr %a988
-  %t990 = insertvalue %S.gen.Val %t985, %S.ast.Type %t989, 1
-  ret %S.gen.Val %t990
-endif7308:
-  %t991 = getelementptr inbounds %S.ast.Type, ptr %a192, i32 0, i32 0
-  %t992 = load { ptr, i64, i64 }, ptr %t991
-  store { ptr, i64, i64 } %t992, ptr %a993
-  store { ptr, i64, i64 } { ptr @.str.4747, i64 3, i64 0 }, ptr %a994
-  %t995 = call i32 @finch_str_eq(ptr %a993, ptr %a994)
-  %t996 = icmp ne i32 %t995, 0
-  br i1 %t996, label %then7309, label %endif7311
-then7309:
-  %t997 = load ptr, ptr %a1
-  %t998 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t997)
-  store { ptr, i64, i64 } %t998, ptr %a999
-  %t1000 = load ptr, ptr %a1
-  %t1001 = load { ptr, i64, i64 }, ptr %a999
-  call void @finch.gen.store(ptr %t1000, { ptr, i64, i64 } { ptr @.str.4748, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4749, i64 15, i64 0 }, { ptr, i64, i64 } %t1001)
-  %t1002 = load ptr, ptr %a1
-  %t1003 = load { ptr, i64, i64 }, ptr %a999
-  store { ptr, i64, i64 } { ptr @.str.4750, i64 32, i64 0 }, ptr %a1005
-  store { ptr, i64, i64 } %t1003, ptr %a1006
-  call void @finch_str_concat(ptr %a1004, ptr %a1005, ptr %a1006)
-  %t1007 = load { ptr, i64, i64 }, ptr %a1004
-  store { ptr, i64, i64 } %t1007, ptr %a1009
-  store { ptr, i64, i64 } { ptr @.str.4751, i64 6, i64 0 }, ptr %a1010
-  call void @finch_str_concat(ptr %a1008, ptr %a1009, ptr %a1010)
-  %t1011 = load { ptr, i64, i64 }, ptr %a1008
-  %t1012 = load { ptr, i64, i64 }, ptr %a962
-  store { ptr, i64, i64 } %t1011, ptr %a1014
-  store { ptr, i64, i64 } %t1012, ptr %a1015
-  call void @finch_str_concat(ptr %a1013, ptr %a1014, ptr %a1015)
-  %t1016 = load { ptr, i64, i64 }, ptr %a1013
-  store { ptr, i64, i64 } %t1016, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.4752, i64 1, i64 0 }, ptr %a1019
-  call void @finch_str_concat(ptr %a1017, ptr %a1018, ptr %a1019)
-  %t1020 = load { ptr, i64, i64 }, ptr %a1017
-  call void @finch.gen.emit(ptr %t1002, { ptr, i64, i64 } %t1020)
-  %t1021 = load ptr, ptr %a1
-  %t1022 = load { ptr, i64, i64 }, ptr %a999
-  %t1023 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1021, { ptr, i64, i64 } { ptr @.str.4753, i64 17, i64 0 }, { ptr, i64, i64 } %t1022)
-  %t1024 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1023, 0
-  %t1025 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t1025, ptr %a1026
-  call void @finch.copy.S_ast_Type(ptr %a1027, ptr %a1026)
-  %t1028 = load %S.ast.Type, ptr %a1027
-  %t1029 = insertvalue %S.gen.Val %t1024, %S.ast.Type %t1028, 1
-  ret %S.gen.Val %t1029
-endif7311:
-  %t1030 = load { ptr, i64, i64 }, ptr %a962
-  store { ptr, i64, i64 } %t1030, ptr %a1031
-  call void @finch_str_copy(ptr %a1032, ptr %a1031)
-  %t1033 = load { ptr, i64, i64 }, ptr %a1032
-  %t1034 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1033, 0
-  %t1035 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t1035, ptr %a1036
-  call void @finch.copy.S_ast_Type(ptr %a1037, ptr %a1036)
-  %t1038 = load %S.ast.Type, ptr %a1037
-  %t1039 = insertvalue %S.gen.Val %t1034, %S.ast.Type %t1038, 1
-  ret %S.gen.Val %t1039
+  call void @finch_str_concat(ptr %a893, ptr %a894, ptr %a895)
+  %t896 = load { ptr, i64, i64 }, ptr %a893
+  store i64 -1, ptr %a897
+  %t898 = load i64, ptr %t890
+  %t899 = load ptr, ptr %t889
+  store i64 0, ptr %a900
+  br label %find.cond7655
+find.cond7655:
+  %t901 = load i64, ptr %a900
+  %t902 = icmp slt i64 %t901, %t898
+  br i1 %t902, label %find.body7656, label %find.end7659
+find.body7656:
+  %t903 = getelementptr inbounds { ptr, i64, i64 }, ptr %t899, i64 %t901
+  %t904 = load { ptr, i64, i64 }, ptr %t903
+  store { ptr, i64, i64 } %t904, ptr %a905
+  store { ptr, i64, i64 } %t896, ptr %a906
+  %t907 = call i32 @finch_str_eq(ptr %a905, ptr %a906)
+  %t908 = icmp ne i32 %t907, 0
+  br i1 %t908, label %find.hit7657, label %find.next7658
+find.hit7657:
+  store i64 %t901, ptr %a897
+  br label %find.end7659
+find.next7658:
+  %t909 = add i64 %t901, 1
+  store i64 %t909, ptr %a900
+  br label %find.cond7655
+find.end7659:
+  store { ptr, i64, i64 } %t896, ptr %a910
+  call void @finch_str_drop(ptr %a910)
+  %t911 = load i64, ptr %a897
+  %t912 = icmp sge i64 %t911, 0
+  %t913 = xor i1 %t912, true
+  br i1 %t913, label %then7660, label %endif7662
+then7660:
+  %t914 = load ptr, ptr %a1
+  %t915 = icmp eq ptr %t914, null
+  br i1 %t915, label %panic7663, label %ok7664
+panic7663:
+  call void @finch_panic(ptr @.str.4894, i64 4544, ptr @.str.4895)
+  unreachable
+ok7664:
+  %t916 = getelementptr inbounds %S.gen.Gen, ptr %t914, i32 0, i32 39
+  %t917 = getelementptr inbounds { ptr, i64, i64 }, ptr %t916, i32 0, i32 1
+  %t918 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t919 = load { ptr, i64, i64 }, ptr %t918
+  store { ptr, i64, i64 } { ptr @.str.4896, i64 2, i64 0 }, ptr %a921
+  store { ptr, i64, i64 } %t919, ptr %a922
+  call void @finch_str_concat(ptr %a920, ptr %a921, ptr %a922)
+  %t923 = load { ptr, i64, i64 }, ptr %a920
+  %t924 = load i64, ptr %t917
+  %t925 = add i64 %t924, 1
+  call void @finch_arr_reserve(ptr %t916, i64 %t925, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t926 = load ptr, ptr %t916
+  %t927 = getelementptr inbounds { ptr, i64, i64 }, ptr %t926, i64 %t924
+  store { ptr, i64, i64 } %t923, ptr %t927
+  store i64 %t925, ptr %t917
+  %t928 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t929 = load { ptr, i64, i64 }, ptr %t928
+  %t930 = call i1 @finch.gen.runtimeDeclares({ ptr, i64, i64 } %t929)
+  %t931 = xor i1 %t930, true
+  br i1 %t931, label %then7665, label %endif7667
+then7665:
+  %t932 = load ptr, ptr %a1
+  %t933 = icmp eq ptr %t932, null
+  br i1 %t933, label %panic7668, label %ok7669
+panic7668:
+  call void @finch_panic(ptr @.str.4897, i64 4546, ptr @.str.4898)
+  unreachable
+ok7669:
+  %t934 = getelementptr inbounds %S.gen.Gen, ptr %t932, i32 0, i32 2
+  %t935 = getelementptr inbounds { ptr, i64, i64 }, ptr %t934, i32 0, i32 1
+  %t936 = load { ptr, i64, i64 }, ptr %a864
+  store { ptr, i64, i64 } { ptr @.str.4899, i64 7, i64 0 }, ptr %a938
+  store { ptr, i64, i64 } %t936, ptr %a939
+  call void @finch_str_concat(ptr %a937, ptr %a938, ptr %a939)
+  %t940 = load { ptr, i64, i64 }, ptr %a937
+  store { ptr, i64, i64 } %t940, ptr %a942
+  store { ptr, i64, i64 } { ptr @.str.4900, i64 1, i64 0 }, ptr %a943
+  call void @finch_str_concat(ptr %a941, ptr %a942, ptr %a943)
+  store { ptr, i64, i64 } %t940, ptr %a944
+  call void @finch_str_drop(ptr %a944)
+  %t945 = load { ptr, i64, i64 }, ptr %a941
+  %t946 = load { ptr, i64, i64 }, ptr %a863
+  store { ptr, i64, i64 } %t945, ptr %a948
+  store { ptr, i64, i64 } %t946, ptr %a949
+  call void @finch_str_concat(ptr %a947, ptr %a948, ptr %a949)
+  store { ptr, i64, i64 } %t945, ptr %a950
+  call void @finch_str_drop(ptr %a950)
+  %t951 = load { ptr, i64, i64 }, ptr %a947
+  store { ptr, i64, i64 } %t951, ptr %a953
+  store { ptr, i64, i64 } { ptr @.str.4901, i64 2, i64 0 }, ptr %a954
+  call void @finch_str_concat(ptr %a952, ptr %a953, ptr %a954)
+  store { ptr, i64, i64 } %t951, ptr %a955
+  call void @finch_str_drop(ptr %a955)
+  %t956 = load { ptr, i64, i64 }, ptr %a952
+  %t957 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t958 = load { ptr, i64, i64 }, ptr %t957
+  store { ptr, i64, i64 } %t956, ptr %a960
+  store { ptr, i64, i64 } %t958, ptr %a961
+  call void @finch_str_concat(ptr %a959, ptr %a960, ptr %a961)
+  store { ptr, i64, i64 } %t956, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  %t963 = load { ptr, i64, i64 }, ptr %a959
+  store { ptr, i64, i64 } %t963, ptr %a965
+  store { ptr, i64, i64 } { ptr @.str.4902, i64 1, i64 0 }, ptr %a966
+  call void @finch_str_concat(ptr %a964, ptr %a965, ptr %a966)
+  store { ptr, i64, i64 } %t963, ptr %a967
+  call void @finch_str_drop(ptr %a967)
+  %t968 = load { ptr, i64, i64 }, ptr %a964
+  %t969 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4903, i64 2, i64 0 }, ptr %a970
+  call void @finch_str_join(ptr %a971, ptr %a262, ptr %a970)
+  %t972 = load { ptr, i64, i64 }, ptr %a971
+  store { ptr, i64, i64 } %t968, ptr %a974
+  store { ptr, i64, i64 } %t972, ptr %a975
+  call void @finch_str_concat(ptr %a973, ptr %a974, ptr %a975)
+  store { ptr, i64, i64 } %t968, ptr %a976
+  call void @finch_str_drop(ptr %a976)
+  store { ptr, i64, i64 } %t972, ptr %a977
+  call void @finch_str_drop(ptr %a977)
+  %t978 = load { ptr, i64, i64 }, ptr %a973
+  %t979 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } %t978, ptr %a981
+  store { ptr, i64, i64 } %t979, ptr %a982
+  call void @finch_str_concat(ptr %a980, ptr %a981, ptr %a982)
+  store { ptr, i64, i64 } %t978, ptr %a983
+  call void @finch_str_drop(ptr %a983)
+  %t984 = load { ptr, i64, i64 }, ptr %a980
+  store { ptr, i64, i64 } %t984, ptr %a986
+  store { ptr, i64, i64 } { ptr @.str.4904, i64 1, i64 0 }, ptr %a987
+  call void @finch_str_concat(ptr %a985, ptr %a986, ptr %a987)
+  store { ptr, i64, i64 } %t984, ptr %a988
+  call void @finch_str_drop(ptr %a988)
+  %t989 = load { ptr, i64, i64 }, ptr %a985
+  %t990 = load i64, ptr %t935
+  %t991 = add i64 %t990, 1
+  call void @finch_arr_reserve(ptr %t934, i64 %t991, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t992 = load ptr, ptr %t934
+  %t993 = getelementptr inbounds { ptr, i64, i64 }, ptr %t992, i64 %t990
+  store { ptr, i64, i64 } %t989, ptr %t993
+  store i64 %t991, ptr %t935
+  br label %endif7667
+endif7667:
+  br label %endif7662
+endif7662:
+  store { ptr, i64, i64 } { ptr @.str.4905, i64 0, i64 0 }, ptr %a994
+  %t995 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 4
+  %t996 = load i1, ptr %t995
+  br i1 %t996, label %then7670, label %endif7672
+then7670:
+  %t997 = getelementptr inbounds { ptr, i64, i64 }, ptr %a262, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4907, i64 2, i64 0 }, ptr %a998
+  call void @finch_str_join(ptr %a999, ptr %a262, ptr %a998)
+  %t1000 = load { ptr, i64, i64 }, ptr %a999
+  store { ptr, i64, i64 } { ptr @.str.4906, i64 2, i64 0 }, ptr %a1002
+  store { ptr, i64, i64 } %t1000, ptr %a1003
+  call void @finch_str_concat(ptr %a1001, ptr %a1002, ptr %a1003)
+  store { ptr, i64, i64 } %t1000, ptr %a1004
+  call void @finch_str_drop(ptr %a1004)
+  %t1005 = load { ptr, i64, i64 }, ptr %a1001
+  %t1006 = load { ptr, i64, i64 }, ptr %a877
+  store { ptr, i64, i64 } %t1005, ptr %a1008
+  store { ptr, i64, i64 } %t1006, ptr %a1009
+  call void @finch_str_concat(ptr %a1007, ptr %a1008, ptr %a1009)
+  store { ptr, i64, i64 } %t1005, ptr %a1010
+  call void @finch_str_drop(ptr %a1010)
+  %t1011 = load { ptr, i64, i64 }, ptr %a1007
+  store { ptr, i64, i64 } %t1011, ptr %a1013
+  store { ptr, i64, i64 } { ptr @.str.4908, i64 1, i64 0 }, ptr %a1014
+  call void @finch_str_concat(ptr %a1012, ptr %a1013, ptr %a1014)
+  store { ptr, i64, i64 } %t1011, ptr %a1015
+  call void @finch_str_drop(ptr %a1015)
+  %t1016 = load { ptr, i64, i64 }, ptr %a1012
+  %t1017 = load { ptr, i64, i64 }, ptr %a994
+  store { ptr, i64, i64 } %t1016, ptr %a994
+  store { ptr, i64, i64 } %t1017, ptr %a1018
+  call void @finch_str_drop(ptr %a1018)
+  br label %endif7672
+endif7672:
+  %t1019 = load { ptr, i64, i64 }, ptr %a864
+  store { ptr, i64, i64 } { ptr @.str.4909, i64 4, i64 0 }, ptr %a1021
+  store { ptr, i64, i64 } %t1019, ptr %a1022
+  call void @finch_str_concat(ptr %a1020, ptr %a1021, ptr %a1022)
+  %t1023 = load { ptr, i64, i64 }, ptr %a1020
+  store { ptr, i64, i64 } %t1023, ptr %a1025
+  store { ptr, i64, i64 } { ptr @.str.4910, i64 1, i64 0 }, ptr %a1026
+  call void @finch_str_concat(ptr %a1024, ptr %a1025, ptr %a1026)
+  store { ptr, i64, i64 } %t1023, ptr %a1027
+  call void @finch_str_drop(ptr %a1027)
+  %t1028 = load { ptr, i64, i64 }, ptr %a1024
+  %t1029 = load { ptr, i64, i64 }, ptr %a863
+  store { ptr, i64, i64 } %t1028, ptr %a1031
+  store { ptr, i64, i64 } %t1029, ptr %a1032
+  call void @finch_str_concat(ptr %a1030, ptr %a1031, ptr %a1032)
+  store { ptr, i64, i64 } %t1028, ptr %a1033
+  call void @finch_str_drop(ptr %a1033)
+  %t1034 = load { ptr, i64, i64 }, ptr %a1030
+  %t1035 = load { ptr, i64, i64 }, ptr %a994
+  store { ptr, i64, i64 } %t1034, ptr %a1037
+  store { ptr, i64, i64 } %t1035, ptr %a1038
+  call void @finch_str_concat(ptr %a1036, ptr %a1037, ptr %a1038)
+  store { ptr, i64, i64 } %t1034, ptr %a1039
+  call void @finch_str_drop(ptr %a1039)
+  %t1040 = load { ptr, i64, i64 }, ptr %a1036
+  store { ptr, i64, i64 } %t1040, ptr %a1042
+  store { ptr, i64, i64 } { ptr @.str.4911, i64 2, i64 0 }, ptr %a1043
+  call void @finch_str_concat(ptr %a1041, ptr %a1042, ptr %a1043)
+  store { ptr, i64, i64 } %t1040, ptr %a1044
+  call void @finch_str_drop(ptr %a1044)
+  %t1045 = load { ptr, i64, i64 }, ptr %a1041
+  %t1046 = getelementptr inbounds %S.cimport.CFunc, ptr %a3, i32 0, i32 0
+  %t1047 = load { ptr, i64, i64 }, ptr %t1046
+  store { ptr, i64, i64 } %t1045, ptr %a1049
+  store { ptr, i64, i64 } %t1047, ptr %a1050
+  call void @finch_str_concat(ptr %a1048, ptr %a1049, ptr %a1050)
+  store { ptr, i64, i64 } %t1045, ptr %a1051
+  call void @finch_str_drop(ptr %a1051)
+  %t1052 = load { ptr, i64, i64 }, ptr %a1048
+  store { ptr, i64, i64 } %t1052, ptr %a1054
+  store { ptr, i64, i64 } { ptr @.str.4912, i64 1, i64 0 }, ptr %a1055
+  call void @finch_str_concat(ptr %a1053, ptr %a1054, ptr %a1055)
+  store { ptr, i64, i64 } %t1052, ptr %a1056
+  call void @finch_str_drop(ptr %a1056)
+  %t1057 = load { ptr, i64, i64 }, ptr %a1053
+  %t1058 = getelementptr inbounds { ptr, i64, i64 }, ptr %a263, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.4913, i64 2, i64 0 }, ptr %a1059
+  call void @finch_str_join(ptr %a1060, ptr %a263, ptr %a1059)
+  %t1061 = load { ptr, i64, i64 }, ptr %a1060
+  store { ptr, i64, i64 } %t1057, ptr %a1063
+  store { ptr, i64, i64 } %t1061, ptr %a1064
+  call void @finch_str_concat(ptr %a1062, ptr %a1063, ptr %a1064)
+  store { ptr, i64, i64 } %t1057, ptr %a1065
+  call void @finch_str_drop(ptr %a1065)
+  store { ptr, i64, i64 } %t1061, ptr %a1066
+  call void @finch_str_drop(ptr %a1066)
+  %t1067 = load { ptr, i64, i64 }, ptr %a1062
+  store { ptr, i64, i64 } %t1067, ptr %a1069
+  store { ptr, i64, i64 } { ptr @.str.4914, i64 1, i64 0 }, ptr %a1070
+  call void @finch_str_concat(ptr %a1068, ptr %a1069, ptr %a1070)
+  store { ptr, i64, i64 } %t1067, ptr %a1071
+  call void @finch_str_drop(ptr %a1071)
+  %t1072 = load { ptr, i64, i64 }, ptr %a1068
+  store { ptr, i64, i64 } %t1072, ptr %a1073
+  %t1074 = getelementptr inbounds %S.ast.Type, ptr %a219, i32 0, i32 0
+  %t1075 = load { ptr, i64, i64 }, ptr %t1074
+  store { ptr, i64, i64 } %t1075, ptr %a1076
+  store { ptr, i64, i64 } { ptr @.str.4915, i64 4, i64 0 }, ptr %a1077
+  %t1078 = call i32 @finch_str_eq(ptr %a1076, ptr %a1077)
+  %t1079 = icmp ne i32 %t1078, 0
+  br i1 %t1079, label %then7673, label %endif7675
+then7673:
+  %t1080 = load ptr, ptr %a1
+  %t1081 = load { ptr, i64, i64 }, ptr %a1073
+  call void @finch.gen.emit(ptr %t1080, { ptr, i64, i64 } %t1081)
+  %t1082 = load ptr, ptr %a1
+  %t1083 = load { ptr, i64, i64 }, ptr %a317
+  %t1084 = load i64, ptr %a323
+  call void @finch.gen.releaseAll(ptr %t1082, { ptr, i64, i64 } %t1083, i64 %t1084)
+  %t1085 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1085, ptr %a1086
+  call void @finch.copy.S_ast_Type(ptr %a1087, ptr %a1086)
+  %t1088 = load %S.ast.Type, ptr %a1087
+  %t1089 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1088, 1
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1089
+endif7675:
+  %t1090 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 3
+  %t1091 = load i1, ptr %t1090
+  br i1 %t1091, label %then7676, label %endif7678
+then7676:
+  %t1092 = load ptr, ptr %a1
+  %t1093 = load { ptr, i64, i64 }, ptr %a1073
+  call void @finch.gen.emit(ptr %t1092, { ptr, i64, i64 } %t1093)
+  %t1094 = load ptr, ptr %a1
+  %t1095 = load { ptr, i64, i64 }, ptr %a317
+  %t1096 = load i64, ptr %a323
+  call void @finch.gen.releaseAll(ptr %t1094, { ptr, i64, i64 } %t1095, i64 %t1096)
+  %t1097 = load ptr, ptr %a1
+  %t1098 = load ptr, ptr %a1
+  %t1099 = load %S.ast.Type, ptr %a219
+  %t1100 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1098, %S.ast.Type %t1099)
+  %t1101 = load { ptr, i64, i64 }, ptr %a264
+  %t1102 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1097, { ptr, i64, i64 } %t1100, { ptr, i64, i64 } %t1101)
+  store { ptr, i64, i64 } %t1100, ptr %a1103
+  call void @finch_str_drop(ptr %a1103)
+  %t1104 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1102, 0
+  %t1105 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1105, ptr %a1106
+  call void @finch.copy.S_ast_Type(ptr %a1107, ptr %a1106)
+  %t1108 = load %S.ast.Type, ptr %a1107
+  %t1109 = insertvalue %S.gen.Val %t1104, %S.ast.Type %t1108, 1
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1109
+endif7678:
+  %t1110 = load ptr, ptr %a1
+  %t1111 = load { ptr, i64, i64 }, ptr %a1073
+  %t1112 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1110, { ptr, i64, i64 } %t1111)
+  store { ptr, i64, i64 } %t1112, ptr %a1113
+  %t1114 = load ptr, ptr %a1
+  %t1115 = load { ptr, i64, i64 }, ptr %a317
+  %t1116 = load i64, ptr %a323
+  call void @finch.gen.releaseAll(ptr %t1114, { ptr, i64, i64 } %t1115, i64 %t1116)
+  %t1117 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 0
+  %t1118 = getelementptr inbounds %S.gen.Abi, ptr %t1117, i32 0, i32 0
+  %t1119 = load { ptr, i64, i64 }, ptr %t1118
+  store { ptr, i64, i64 } %t1119, ptr %a1120
+  store { ptr, i64, i64 } { ptr @.str.4916, i64 6, i64 0 }, ptr %a1121
+  %t1122 = call i32 @finch_str_eq(ptr %a1120, ptr %a1121)
+  %t1123 = icmp ne i32 %t1122, 0
+  br i1 %t1123, label %then7679, label %endif7681
+then7679:
+  %t1124 = load ptr, ptr %a1
+  %t1125 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1124, { ptr, i64, i64 } { ptr @.str.4917, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t1125, ptr %a1126
+  %t1127 = load ptr, ptr %a1
+  %t1128 = getelementptr inbounds %S.gen.Plan, ptr %a261, i32 0, i32 0
+  %t1129 = getelementptr inbounds %S.gen.Abi, ptr %t1128, i32 0, i32 2
+  %t1130 = load { ptr, i64, i64 }, ptr %t1129
+  %t1131 = load { ptr, i64, i64 }, ptr %a1113
+  %t1132 = load { ptr, i64, i64 }, ptr %a1126
+  call void @finch.gen.store(ptr %t1127, { ptr, i64, i64 } %t1130, { ptr, i64, i64 } %t1131, { ptr, i64, i64 } %t1132)
+  %t1133 = load ptr, ptr %a1
+  %t1134 = load ptr, ptr %a1
+  %t1135 = load %S.ast.Type, ptr %a219
+  %t1136 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1134, %S.ast.Type %t1135)
+  %t1137 = load { ptr, i64, i64 }, ptr %a1126
+  %t1138 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1133, { ptr, i64, i64 } %t1136, { ptr, i64, i64 } %t1137)
+  store { ptr, i64, i64 } %t1136, ptr %a1139
+  call void @finch_str_drop(ptr %a1139)
+  %t1140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1138, 0
+  %t1141 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1141, ptr %a1142
+  call void @finch.copy.S_ast_Type(ptr %a1143, ptr %a1142)
+  %t1144 = load %S.ast.Type, ptr %a1143
+  %t1145 = insertvalue %S.gen.Val %t1140, %S.ast.Type %t1144, 1
+  call void @finch_str_drop(ptr %a1126)
+  call void @finch_str_drop(ptr %a1113)
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1145
+endif7681:
+  %t1146 = getelementptr inbounds %S.ast.Type, ptr %a219, i32 0, i32 0
+  %t1147 = load { ptr, i64, i64 }, ptr %t1146
+  store { ptr, i64, i64 } %t1147, ptr %a1148
+  store { ptr, i64, i64 } { ptr @.str.4918, i64 3, i64 0 }, ptr %a1149
+  %t1150 = call i32 @finch_str_eq(ptr %a1148, ptr %a1149)
+  %t1151 = icmp ne i32 %t1150, 0
+  br i1 %t1151, label %then7682, label %endif7684
+then7682:
+  %t1152 = load ptr, ptr %a1
+  %t1153 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1152)
+  store { ptr, i64, i64 } %t1153, ptr %a1154
+  %t1155 = load ptr, ptr %a1
+  %t1156 = load { ptr, i64, i64 }, ptr %a1154
+  call void @finch.gen.store(ptr %t1155, { ptr, i64, i64 } { ptr @.str.4919, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4920, i64 15, i64 0 }, { ptr, i64, i64 } %t1156)
+  %t1157 = load ptr, ptr %a1
+  %t1158 = load { ptr, i64, i64 }, ptr %a1154
+  store { ptr, i64, i64 } { ptr @.str.4921, i64 32, i64 0 }, ptr %a1160
+  store { ptr, i64, i64 } %t1158, ptr %a1161
+  call void @finch_str_concat(ptr %a1159, ptr %a1160, ptr %a1161)
+  %t1162 = load { ptr, i64, i64 }, ptr %a1159
+  store { ptr, i64, i64 } %t1162, ptr %a1164
+  store { ptr, i64, i64 } { ptr @.str.4922, i64 6, i64 0 }, ptr %a1165
+  call void @finch_str_concat(ptr %a1163, ptr %a1164, ptr %a1165)
+  store { ptr, i64, i64 } %t1162, ptr %a1166
+  call void @finch_str_drop(ptr %a1166)
+  %t1167 = load { ptr, i64, i64 }, ptr %a1163
+  %t1168 = load { ptr, i64, i64 }, ptr %a1113
+  store { ptr, i64, i64 } %t1167, ptr %a1170
+  store { ptr, i64, i64 } %t1168, ptr %a1171
+  call void @finch_str_concat(ptr %a1169, ptr %a1170, ptr %a1171)
+  store { ptr, i64, i64 } %t1167, ptr %a1172
+  call void @finch_str_drop(ptr %a1172)
+  %t1173 = load { ptr, i64, i64 }, ptr %a1169
+  store { ptr, i64, i64 } %t1173, ptr %a1175
+  store { ptr, i64, i64 } { ptr @.str.4923, i64 1, i64 0 }, ptr %a1176
+  call void @finch_str_concat(ptr %a1174, ptr %a1175, ptr %a1176)
+  store { ptr, i64, i64 } %t1173, ptr %a1177
+  call void @finch_str_drop(ptr %a1177)
+  %t1178 = load { ptr, i64, i64 }, ptr %a1174
+  call void @finch.gen.emit(ptr %t1157, { ptr, i64, i64 } %t1178)
+  store { ptr, i64, i64 } %t1178, ptr %a1179
+  call void @finch_str_drop(ptr %a1179)
+  %t1180 = load ptr, ptr %a1
+  %t1181 = load { ptr, i64, i64 }, ptr %a1154
+  %t1182 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1180, { ptr, i64, i64 } { ptr @.str.4924, i64 17, i64 0 }, { ptr, i64, i64 } %t1181)
+  %t1183 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1182, 0
+  %t1184 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1184, ptr %a1185
+  call void @finch.copy.S_ast_Type(ptr %a1186, ptr %a1185)
+  %t1187 = load %S.ast.Type, ptr %a1186
+  %t1188 = insertvalue %S.gen.Val %t1183, %S.ast.Type %t1187, 1
+  call void @finch_str_drop(ptr %a1154)
+  call void @finch_str_drop(ptr %a1113)
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1188
+endif7684:
+  %t1189 = load { ptr, i64, i64 }, ptr %a1113
+  store { ptr, i64, i64 } %t1189, ptr %a1190
+  call void @finch_str_copy(ptr %a1191, ptr %a1190)
+  %t1192 = load { ptr, i64, i64 }, ptr %a1191
+  %t1193 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1192, 0
+  %t1194 = load %S.ast.Type, ptr %a219
+  store %S.ast.Type %t1194, ptr %a1195
+  call void @finch.copy.S_ast_Type(ptr %a1196, ptr %a1195)
+  %t1197 = load %S.ast.Type, ptr %a1196
+  %t1198 = insertvalue %S.gen.Val %t1193, %S.ast.Type %t1197, 1
+  call void @finch_str_drop(ptr %a1113)
+  call void @finch_str_drop(ptr %a1073)
+  call void @finch_str_drop(ptr %a994)
+  call void @finch_str_drop(ptr %a877)
+  call void @finch_str_drop(ptr %a864)
+  call void @finch_str_drop(ptr %a863)
+  call void @finch.drop.arr_S_gen_Val(ptr %a317)
+  call void @finch_str_drop(ptr %a264)
+  call void @finch.drop.arr_str(ptr %a263)
+  call void @finch.drop.arr_str(ptr %a262)
+  call void @finch.drop.S_gen_Plan(ptr %a261)
+  call void @finch.drop.arr_S_ast_Type(ptr %a225)
+  call void @finch.drop.S_ast_Type(ptr %a219)
+  ret %S.gen.Val %t1198
+}
+
+define internal void @finch.gen.releaseAll(ptr %p0, { ptr, i64, i64 } %p1, i64 %p2) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca i64, align 16
+  %a4 = alloca i64, align 16
+  %a12 = alloca %S.gen.Val, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store i64 %p2, ptr %a3
+  store i64 0, ptr %a4
+  br label %each.cond7685
+each.cond7685:
+  %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t6 = load i64, ptr %t5
+  %t7 = load i64, ptr %a4
+  %t8 = icmp slt i64 %t7, %t6
+  br i1 %t8, label %each.body7686, label %each.end7688
+each.body7686:
+  %t9 = load ptr, ptr %a2
+  %t10 = getelementptr inbounds %S.gen.Val, ptr %t9, i64 %t7
+  %t11 = load %S.gen.Val, ptr %t10
+  store %S.gen.Val %t11, ptr %a12
+  %t13 = load ptr, ptr %a1
+  %t14 = load %S.gen.Val, ptr %a12
+  call void @finch.gen.release(ptr %t13, %S.gen.Val %t14)
+  br label %each.step7687
+each.step7687:
+  %t15 = load i64, ptr %a4
+  %t16 = add i64 %t15, 1
+  store i64 %t16, ptr %a4
+  br label %each.cond7685
+each.end7688:
+  %t17 = load ptr, ptr %a1
+  %t18 = load i64, ptr %a3
+  call void @finch.gen.heldEnd(ptr %t17, i64 %t18)
+  ret void
 }
 
 define internal i1 @finch.gen.runtimeDeclares({ ptr, i64, i64 } %p0) {
@@ -65854,15 +77999,15 @@ entry:
   %t2 = mul i64 5, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4754, i64 6, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.4925, i64 6, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4755, i64 6, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.4926, i64 6, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4756, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.4927, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4757, i64 4, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.4928, i64 4, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4758, i64 5, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.4929, i64 5, i64 0 }, ptr %t8
   %t9 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t10 = insertvalue { ptr, i64, i64 } %t9, i64 5, 1
   %t11 = insertvalue { ptr, i64, i64 } %t10, i64 5, 2
@@ -65873,29 +78018,30 @@ entry:
   %t16 = load i64, ptr %t13
   %t17 = load ptr, ptr %a12
   store i64 0, ptr %a18
-  br label %find.cond7312
-find.cond7312:
+  br label %find.cond7689
+find.cond7689:
   %t19 = load i64, ptr %a18
   %t20 = icmp slt i64 %t19, %t16
-  br i1 %t20, label %find.body7313, label %find.end7316
-find.body7313:
+  br i1 %t20, label %find.body7690, label %find.end7693
+find.body7690:
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i64 %t19
   %t22 = load { ptr, i64, i64 }, ptr %t21
   store { ptr, i64, i64 } %t22, ptr %a23
   store { ptr, i64, i64 } %t14, ptr %a24
   %t25 = call i32 @finch_str_eq(ptr %a23, ptr %a24)
   %t26 = icmp ne i32 %t25, 0
-  br i1 %t26, label %find.hit7314, label %find.next7315
-find.hit7314:
+  br i1 %t26, label %find.hit7691, label %find.next7692
+find.hit7691:
   store i64 %t19, ptr %a15
-  br label %find.end7316
-find.next7315:
+  br label %find.end7693
+find.next7692:
   %t27 = add i64 %t19, 1
   store i64 %t27, ptr %a18
-  br label %find.cond7312
-find.end7316:
+  br label %find.cond7689
+find.end7693:
   %t28 = load i64, ptr %a15
   %t29 = icmp sge i64 %t28, 0
+  call void @finch.drop.arr_str(ptr %a12)
   ret i1 %t29
 }
 
@@ -65915,55 +78061,56 @@ entry:
   %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = mul i64 23, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4759, i64 6, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.4930, i64 6, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4760, i64 4, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.4931, i64 4, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4761, i64 7, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.4932, i64 7, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4762, i64 5, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.4933, i64 5, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4763, i64 5, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.4934, i64 5, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4764, i64 7, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.4935, i64 7, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 6
-  store { ptr, i64, i64 } { ptr @.str.4765, i64 4, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.4936, i64 4, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 7
-  store { ptr, i64, i64 } { ptr @.str.4766, i64 3, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.4937, i64 3, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 8
-  store { ptr, i64, i64 } { ptr @.str.4767, i64 3, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.4938, i64 3, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 9
-  store { ptr, i64, i64 } { ptr @.str.4768, i64 3, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.4939, i64 3, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 10
-  store { ptr, i64, i64 } { ptr @.str.4769, i64 5, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.4940, i64 5, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 11
-  store { ptr, i64, i64 } { ptr @.str.4770, i64 4, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.4941, i64 4, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 12
-  store { ptr, i64, i64 } { ptr @.str.4771, i64 6, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.4942, i64 6, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 13
-  store { ptr, i64, i64 } { ptr @.str.4772, i64 4, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.4943, i64 4, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 14
-  store { ptr, i64, i64 } { ptr @.str.4773, i64 5, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.4944, i64 5, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 15
-  store { ptr, i64, i64 } { ptr @.str.4774, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.4945, i64 3, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 16
-  store { ptr, i64, i64 } { ptr @.str.4775, i64 4, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.4946, i64 4, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 17
-  store { ptr, i64, i64 } { ptr @.str.4776, i64 6, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.4947, i64 6, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 18
-  store { ptr, i64, i64 } { ptr @.str.4777, i64 6, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.4948, i64 6, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 19
-  store { ptr, i64, i64 } { ptr @.str.4778, i64 6, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.4949, i64 6, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 20
-  store { ptr, i64, i64 } { ptr @.str.4779, i64 4, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.4950, i64 4, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 21
-  store { ptr, i64, i64 } { ptr @.str.4780, i64 5, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.4951, i64 5, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 22
-  store { ptr, i64, i64 } { ptr @.str.4781, i64 6, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.4952, i64 6, i64 0 }, ptr %t26
   %t27 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t28 = insertvalue { ptr, i64, i64 } %t27, i64 23, 1
   %t29 = insertvalue { ptr, i64, i64 } %t28, i64 23, 2
@@ -65971,51 +78118,51 @@ entry:
   %t31 = mul i64 23, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t32 = call ptr @finch_alloc(i64 %t31)
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 0
-  store { ptr, i64, i64 } { ptr @.str.4782, i64 7, i64 0 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.4953, i64 7, i64 0 }, ptr %t33
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 1
-  store { ptr, i64, i64 } { ptr @.str.4783, i64 7, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.4954, i64 7, i64 0 }, ptr %t34
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 2
-  store { ptr, i64, i64 } { ptr @.str.4784, i64 7, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.4955, i64 7, i64 0 }, ptr %t35
   %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 3
-  store { ptr, i64, i64 } { ptr @.str.4785, i64 7, i64 0 }, ptr %t36
+  store { ptr, i64, i64 } { ptr @.str.4956, i64 7, i64 0 }, ptr %t36
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 4
-  store { ptr, i64, i64 } { ptr @.str.4786, i64 7, i64 0 }, ptr %t37
+  store { ptr, i64, i64 } { ptr @.str.4957, i64 7, i64 0 }, ptr %t37
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 5
-  store { ptr, i64, i64 } { ptr @.str.4787, i64 7, i64 0 }, ptr %t38
+  store { ptr, i64, i64 } { ptr @.str.4958, i64 7, i64 0 }, ptr %t38
   %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 6
-  store { ptr, i64, i64 } { ptr @.str.4788, i64 6, i64 0 }, ptr %t39
+  store { ptr, i64, i64 } { ptr @.str.4959, i64 6, i64 0 }, ptr %t39
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 7
-  store { ptr, i64, i64 } { ptr @.str.4789, i64 6, i64 0 }, ptr %t40
+  store { ptr, i64, i64 } { ptr @.str.4960, i64 6, i64 0 }, ptr %t40
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 8
-  store { ptr, i64, i64 } { ptr @.str.4790, i64 6, i64 0 }, ptr %t41
+  store { ptr, i64, i64 } { ptr @.str.4961, i64 6, i64 0 }, ptr %t41
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 9
-  store { ptr, i64, i64 } { ptr @.str.4791, i64 6, i64 0 }, ptr %t42
+  store { ptr, i64, i64 } { ptr @.str.4962, i64 6, i64 0 }, ptr %t42
   %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 10
-  store { ptr, i64, i64 } { ptr @.str.4792, i64 6, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.4963, i64 6, i64 0 }, ptr %t43
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 11
-  store { ptr, i64, i64 } { ptr @.str.4793, i64 6, i64 0 }, ptr %t44
+  store { ptr, i64, i64 } { ptr @.str.4964, i64 6, i64 0 }, ptr %t44
   %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 12
-  store { ptr, i64, i64 } { ptr @.str.4794, i64 8, i64 0 }, ptr %t45
+  store { ptr, i64, i64 } { ptr @.str.4965, i64 8, i64 0 }, ptr %t45
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 13
-  store { ptr, i64, i64 } { ptr @.str.4795, i64 8, i64 0 }, ptr %t46
+  store { ptr, i64, i64 } { ptr @.str.4966, i64 8, i64 0 }, ptr %t46
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 14
-  store { ptr, i64, i64 } { ptr @.str.4796, i64 8, i64 0 }, ptr %t47
+  store { ptr, i64, i64 } { ptr @.str.4967, i64 8, i64 0 }, ptr %t47
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 15
-  store { ptr, i64, i64 } { ptr @.str.4797, i64 8, i64 0 }, ptr %t48
+  store { ptr, i64, i64 } { ptr @.str.4968, i64 8, i64 0 }, ptr %t48
   %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 16
-  store { ptr, i64, i64 } { ptr @.str.4798, i64 8, i64 0 }, ptr %t49
+  store { ptr, i64, i64 } { ptr @.str.4969, i64 8, i64 0 }, ptr %t49
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 17
-  store { ptr, i64, i64 } { ptr @.str.4799, i64 8, i64 0 }, ptr %t50
+  store { ptr, i64, i64 } { ptr @.str.4970, i64 8, i64 0 }, ptr %t50
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 18
-  store { ptr, i64, i64 } { ptr @.str.4800, i64 8, i64 0 }, ptr %t51
+  store { ptr, i64, i64 } { ptr @.str.4971, i64 8, i64 0 }, ptr %t51
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 19
-  store { ptr, i64, i64 } { ptr @.str.4801, i64 8, i64 0 }, ptr %t52
+  store { ptr, i64, i64 } { ptr @.str.4972, i64 8, i64 0 }, ptr %t52
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 20
-  store { ptr, i64, i64 } { ptr @.str.4802, i64 6, i64 0 }, ptr %t53
+  store { ptr, i64, i64 } { ptr @.str.4973, i64 6, i64 0 }, ptr %t53
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 21
-  store { ptr, i64, i64 } { ptr @.str.4803, i64 8, i64 0 }, ptr %t54
+  store { ptr, i64, i64 } { ptr @.str.4974, i64 8, i64 0 }, ptr %t54
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t32, i64 22
-  store { ptr, i64, i64 } { ptr @.str.4804, i64 8, i64 0 }, ptr %t55
+  store { ptr, i64, i64 } { ptr @.str.4975, i64 8, i64 0 }, ptr %t55
   %t56 = insertvalue { ptr, i64, i64 } undef, ptr %t32, 0
   %t57 = insertvalue { ptr, i64, i64 } %t56, i64 23, 1
   %t58 = insertvalue { ptr, i64, i64 } %t57, i64 23, 2
@@ -66026,56 +78173,98 @@ entry:
   %t63 = load i64, ptr %t60
   %t64 = load ptr, ptr %a30
   store i64 0, ptr %a65
-  br label %find.cond7317
-find.cond7317:
+  br label %find.cond7694
+find.cond7694:
   %t66 = load i64, ptr %a65
   %t67 = icmp slt i64 %t66, %t63
-  br i1 %t67, label %find.body7318, label %find.end7321
-find.body7318:
+  br i1 %t67, label %find.body7695, label %find.end7698
+find.body7695:
   %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t66
   %t69 = load { ptr, i64, i64 }, ptr %t68
   store { ptr, i64, i64 } %t69, ptr %a70
   store { ptr, i64, i64 } %t61, ptr %a71
   %t72 = call i32 @finch_str_eq(ptr %a70, ptr %a71)
   %t73 = icmp ne i32 %t72, 0
-  br i1 %t73, label %find.hit7319, label %find.next7320
-find.hit7319:
+  br i1 %t73, label %find.hit7696, label %find.next7697
+find.hit7696:
   store i64 %t66, ptr %a62
-  br label %find.end7321
-find.next7320:
+  br label %find.end7698
+find.next7697:
   %t74 = add i64 %t66, 1
   store i64 %t74, ptr %a65
-  br label %find.cond7317
-find.end7321:
+  br label %find.cond7694
+find.end7698:
   %t75 = load i64, ptr %a62
   store i64 %t75, ptr %a76
   %t77 = load i64, ptr %a76
   %t78 = icmp slt i64 %t77, 0
-  br i1 %t78, label %then7322, label %endif7324
-then7322:
-  ret { ptr, i64, i64 } { ptr @.str.4805, i64 0, i64 0 }
-endif7324:
+  br i1 %t78, label %then7699, label %endif7701
+then7699:
+  call void @finch.drop.arr_str(ptr %a59)
+  call void @finch.drop.arr_str(ptr %a30)
+  ret { ptr, i64, i64 } { ptr @.str.4976, i64 0, i64 0 }
+endif7701:
   %t79 = load i64, ptr %a76
   %t80 = load { ptr, i64, i64 }, ptr %a59
   %t81 = extractvalue { ptr, i64, i64 } %t80, 1
   %t82 = icmp uge i64 %t79, %t81
-  br i1 %t82, label %range7325, label %inrange7326
-range7325:
-  call void @finch_panic_index(ptr @.str.4807, i64 4299, i64 %t79, i64 %t81)
+  br i1 %t82, label %range7702, label %inrange7703
+range7702:
+  call void @finch_panic_index(ptr @.str.4978, i64 4603, i64 %t79, i64 %t81)
   unreachable
-inrange7326:
+inrange7703:
   %t83 = extractvalue { ptr, i64, i64 } %t80, 0
   %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t79
   %t85 = load { ptr, i64, i64 }, ptr %t84
-  store { ptr, i64, i64 } { ptr @.str.4806, i64 28, i64 0 }, ptr %a87
+  store { ptr, i64, i64 } { ptr @.str.4977, i64 28, i64 0 }, ptr %a87
   store { ptr, i64, i64 } %t85, ptr %a88
   call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
   %t89 = load { ptr, i64, i64 }, ptr %a86
   store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.4808, i64 14, i64 0 }, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.4979, i64 14, i64 0 }, ptr %a92
   call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  ret { ptr, i64, i64 } %t93
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.drop.arr_str(ptr %a59)
+  call void @finch.drop.arr_str(ptr %a30)
+  ret { ptr, i64, i64 } %t94
+}
+
+define internal void @finch.drop.S_docs_Doc(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.docs.Doc, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.docs.Doc, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.docs.Doc, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_docs_Doc(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond7713
+n.cond7713:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body7714, label %n.end7715
+n.body7714:
+  %t7 = getelementptr inbounds %S.docs.Doc, ptr %t1, i64 %t5
+  call void @finch.drop.S_docs_Doc(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond7713
+n.end7715:
+  call void @finch_arr_free(ptr %a)
+  ret void
 }
 
 define internal %S.gen.Val @finch.gen.call(ptr %p0, %S.ast.Node %p1) {
@@ -66085,485 +78274,652 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca %S.docs.Doc, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.docs.Doc, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i64, align 16
-  %a60 = alloca %S.gen.Val, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca %S.ast.Node, align 16
-  %a106 = alloca %S.ast.Node, align 16
-  %a108 = alloca %S.ast.Node, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca i64, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca %S.gen.Place, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca %S.gen.Val, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca i64, align 16
+  %a62 = alloca %S.gen.Val, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca %S.ast.Node, align 16
+  %a110 = alloca %S.ast.Node, align 16
+  %a112 = alloca %S.ast.Node, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca i64, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca %S.gen.Place, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca %S.gen.Val, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a218 = alloca %S.ast.Type, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca i1, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca %S.ast.Type, align 16
+  %a220 = alloca %S.ast.Type, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
   %a231 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a245 = alloca %S.ast.Type, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
   %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
   %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca %S.ast.Type, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
   %a288 = alloca { ptr, i64, i64 }, align 16
   %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
   %a298 = alloca { ptr, i64, i64 }, align 16
   %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
   %a302 = alloca { ptr, i64, i64 }, align 16
   %a303 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca %S.ast.Type, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
   %a315 = alloca { ptr, i64, i64 }, align 16
+  %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
   %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
   %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
   %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
   %a339 = alloca { ptr, i64, i64 }, align 16
   %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
   %a344 = alloca { ptr, i64, i64 }, align 16
   %a345 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
   %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
-  %a353 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
   %a357 = alloca { ptr, i64, i64 }, align 16
-  %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
-  %a362 = alloca { ptr, i64, i64 }, align 16
+  %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
   %a377 = alloca { ptr, i64, i64 }, align 16
   %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a382 = alloca { ptr, i64, i64 }, align 16
   %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
   %a388 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a392 = alloca { ptr, i64, i64 }, align 16
   %a393 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
   %a397 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
-  %a410 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
+  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
   %a423 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
-  %a434 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a430 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
   %a443 = alloca { ptr, i64, i64 }, align 16
   %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
-  %a448 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
-  %a458 = alloca { ptr, i64, i64 }, align 16
-  %a463 = alloca { ptr, i64, i64 }, align 16
-  %a464 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a466 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
   %a470 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
+  %a480 = alloca { ptr, i64, i64 }, align 16
   %a481 = alloca { ptr, i64, i64 }, align 16
   %a482 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
-  %a506 = alloca { ptr, i64, i64 }, align 16
-  %a507 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
   %a510 = alloca { ptr, i64, i64 }, align 16
   %a511 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a517 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
   %a556 = alloca { ptr, i64, i64 }, align 16
   %a558 = alloca { ptr, i64, i64 }, align 16
-  %a559 = alloca { ptr, i64, i64 }, align 16
-  %a564 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca { ptr, i64, i64 }, align 16
-  %a568 = alloca { ptr, i64, i64 }, align 16
-  %a569 = alloca { ptr, i64, i64 }, align 16
   %a570 = alloca { ptr, i64, i64 }, align 16
-  %a573 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
-  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca %S.ast.Type, align 16
   %a581 = alloca { ptr, i64, i64 }, align 16
   %a582 = alloca { ptr, i64, i64 }, align 16
-  %a590 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a598 = alloca { ptr, i64, i64 }, align 16
-  %a603 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a603 = alloca %S.gen.Val, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
   %a610 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
   %a615 = alloca { ptr, i64, i64 }, align 16
   %a616 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca { ptr, i64, i64 }, align 16
   %a619 = alloca { ptr, i64, i64 }, align 16
   %a620 = alloca { ptr, i64, i64 }, align 16
   %a621 = alloca { ptr, i64, i64 }, align 16
-  %a623 = alloca { ptr, i64, i64 }, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
   %a625 = alloca { ptr, i64, i64 }, align 16
-  %a628 = alloca { ptr, i64, i64 }, align 16
-  %a629 = alloca { ptr, i64, i64 }, align 16
-  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
   %a632 = alloca { ptr, i64, i64 }, align 16
   %a633 = alloca { ptr, i64, i64 }, align 16
-  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
   %a637 = alloca { ptr, i64, i64 }, align 16
-  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a638 = alloca { ptr, i64, i64 }, align 16
   %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
+  %a654 = alloca { ptr, i64, i64 }, align 16
+  %a655 = alloca { ptr, i64, i64 }, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a672 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca { ptr, i64, i64 }, align 16
+  %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
   %a678 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
   %a681 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
   %a683 = alloca { ptr, i64, i64 }, align 16
+  %a684 = alloca { ptr, i64, i64 }, align 16
   %a685 = alloca { ptr, i64, i64 }, align 16
   %a686 = alloca { ptr, i64, i64 }, align 16
-  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
   %a690 = alloca { ptr, i64, i64 }, align 16
   %a691 = alloca { ptr, i64, i64 }, align 16
   %a692 = alloca { ptr, i64, i64 }, align 16
   %a694 = alloca { ptr, i64, i64 }, align 16
   %a695 = alloca { ptr, i64, i64 }, align 16
   %a696 = alloca { ptr, i64, i64 }, align 16
-  %a699 = alloca { ptr, i64, i64 }, align 16
+  %a697 = alloca { ptr, i64, i64 }, align 16
   %a700 = alloca { ptr, i64, i64 }, align 16
   %a701 = alloca { ptr, i64, i64 }, align 16
-  %a703 = alloca { ptr, i64, i64 }, align 16
   %a704 = alloca { ptr, i64, i64 }, align 16
   %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a708 = alloca { ptr, i64, i64 }, align 16
   %a709 = alloca { ptr, i64, i64 }, align 16
+  %a710 = alloca { ptr, i64, i64 }, align 16
   %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
-  %a713 = alloca { ptr, i64, i64 }, align 16
-  %a715 = alloca { ptr, i64, i64 }, align 16
-  %a716 = alloca { ptr, i64, i64 }, align 16
-  %a717 = alloca { ptr, i64, i64 }, align 16
+  %a714 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
   %a727 = alloca { ptr, i64, i64 }, align 16
-  %a728 = alloca { ptr, i64, i64 }, align 16
-  %a745 = alloca { ptr, i64, i64 }, align 16
+  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a753 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
   %a757 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a759 = alloca { ptr, i64, i64 }, align 16
+  %a760 = alloca { ptr, i64, i64 }, align 16
+  %a763 = alloca { ptr, i64, i64 }, align 16
   %a764 = alloca { ptr, i64, i64 }, align 16
   %a765 = alloca { ptr, i64, i64 }, align 16
+  %a766 = alloca { ptr, i64, i64 }, align 16
+  %a768 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
   %a770 = alloca { ptr, i64, i64 }, align 16
+  %a771 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
   %a775 = alloca { ptr, i64, i64 }, align 16
   %a776 = alloca { ptr, i64, i64 }, align 16
   %a777 = alloca { ptr, i64, i64 }, align 16
   %a779 = alloca { ptr, i64, i64 }, align 16
   %a780 = alloca { ptr, i64, i64 }, align 16
   %a781 = alloca { ptr, i64, i64 }, align 16
-  %a784 = alloca { ptr, i64, i64 }, align 16
-  %a785 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
   %a786 = alloca { ptr, i64, i64 }, align 16
   %a788 = alloca { ptr, i64, i64 }, align 16
   %a789 = alloca { ptr, i64, i64 }, align 16
   %a790 = alloca { ptr, i64, i64 }, align 16
-  %a793 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a792 = alloca { ptr, i64, i64 }, align 16
   %a794 = alloca { ptr, i64, i64 }, align 16
   %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
   %a797 = alloca { ptr, i64, i64 }, align 16
-  %a798 = alloca { ptr, i64, i64 }, align 16
   %a799 = alloca { ptr, i64, i64 }, align 16
-  %a802 = alloca { ptr, i64, i64 }, align 16
-  %a805 = alloca { ptr, i64, i64 }, align 16
-  %a806 = alloca { ptr, i64, i64 }, align 16
-  %a807 = alloca { ptr, i64, i64 }, align 16
-  %a809 = alloca { ptr, i64, i64 }, align 16
   %a810 = alloca { ptr, i64, i64 }, align 16
   %a811 = alloca { ptr, i64, i64 }, align 16
-  %a827 = alloca { ptr, i64, i64 }, align 16
-  %a828 = alloca { ptr, i64, i64 }, align 16
-  %a829 = alloca { ptr, i64, i64 }, align 16
-  %a831 = alloca { ptr, i64, i64 }, align 16
-  %a832 = alloca { ptr, i64, i64 }, align 16
-  %a833 = alloca { ptr, i64, i64 }, align 16
-  %a836 = alloca { ptr, i64, i64 }, align 16
-  %a837 = alloca { ptr, i64, i64 }, align 16
-  %a838 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
-  %a841 = alloca { ptr, i64, i64 }, align 16
-  %a842 = alloca { ptr, i64, i64 }, align 16
-  %a845 = alloca { ptr, i64, i64 }, align 16
-  %a848 = alloca { ptr, i64, i64 }, align 16
-  %a849 = alloca { ptr, i64, i64 }, align 16
+  %a826 = alloca %S.gen.Val, align 16
+  %a832 = alloca i64, align 16
+  %a844 = alloca %S.gen.Val, align 16
   %a850 = alloca { ptr, i64, i64 }, align 16
-  %a852 = alloca { ptr, i64, i64 }, align 16
-  %a853 = alloca { ptr, i64, i64 }, align 16
   %a854 = alloca { ptr, i64, i64 }, align 16
   %a861 = alloca { ptr, i64, i64 }, align 16
   %a862 = alloca { ptr, i64, i64 }, align 16
-  %a877 = alloca %S.gen.Val, align 16
+  %a865 = alloca { ptr, i64, i64 }, align 16
+  %a868 = alloca { ptr, i64, i64 }, align 16
+  %a873 = alloca { ptr, i64, i64 }, align 16
+  %a874 = alloca { ptr, i64, i64 }, align 16
+  %a875 = alloca { ptr, i64, i64 }, align 16
+  %a877 = alloca { ptr, i64, i64 }, align 16
+  %a878 = alloca { ptr, i64, i64 }, align 16
+  %a879 = alloca { ptr, i64, i64 }, align 16
   %a880 = alloca { ptr, i64, i64 }, align 16
   %a883 = alloca { ptr, i64, i64 }, align 16
   %a884 = alloca { ptr, i64, i64 }, align 16
   %a885 = alloca { ptr, i64, i64 }, align 16
-  %a887 = alloca { ptr, i64, i64 }, align 16
+  %a886 = alloca { ptr, i64, i64 }, align 16
   %a888 = alloca { ptr, i64, i64 }, align 16
   %a889 = alloca { ptr, i64, i64 }, align 16
+  %a890 = alloca { ptr, i64, i64 }, align 16
+  %a891 = alloca { ptr, i64, i64 }, align 16
   %a894 = alloca { ptr, i64, i64 }, align 16
   %a895 = alloca { ptr, i64, i64 }, align 16
   %a896 = alloca { ptr, i64, i64 }, align 16
-  %a898 = alloca { ptr, i64, i64 }, align 16
+  %a897 = alloca { ptr, i64, i64 }, align 16
   %a899 = alloca { ptr, i64, i64 }, align 16
   %a900 = alloca { ptr, i64, i64 }, align 16
-  %a908 = alloca { ptr, i64, i64 }, align 16
+  %a901 = alloca { ptr, i64, i64 }, align 16
+  %a902 = alloca { ptr, i64, i64 }, align 16
+  %a905 = alloca { ptr, i64, i64 }, align 16
+  %a906 = alloca { ptr, i64, i64 }, align 16
   %a909 = alloca { ptr, i64, i64 }, align 16
+  %a910 = alloca { ptr, i64, i64 }, align 16
+  %a911 = alloca { ptr, i64, i64 }, align 16
+  %a913 = alloca { ptr, i64, i64 }, align 16
   %a914 = alloca { ptr, i64, i64 }, align 16
+  %a915 = alloca { ptr, i64, i64 }, align 16
+  %a916 = alloca { ptr, i64, i64 }, align 16
   %a919 = alloca { ptr, i64, i64 }, align 16
-  %a920 = alloca { ptr, i64, i64 }, align 16
-  %a921 = alloca { ptr, i64, i64 }, align 16
-  %a923 = alloca { ptr, i64, i64 }, align 16
   %a924 = alloca { ptr, i64, i64 }, align 16
-  %a925 = alloca { ptr, i64, i64 }, align 16
-  %a928 = alloca { ptr, i64, i64 }, align 16
-  %a929 = alloca { ptr, i64, i64 }, align 16
-  %a930 = alloca { ptr, i64, i64 }, align 16
   %a932 = alloca { ptr, i64, i64 }, align 16
-  %a933 = alloca { ptr, i64, i64 }, align 16
-  %a934 = alloca { ptr, i64, i64 }, align 16
-  %a937 = alloca { ptr, i64, i64 }, align 16
-  %a940 = alloca { ptr, i64, i64 }, align 16
   %a941 = alloca { ptr, i64, i64 }, align 16
   %a942 = alloca { ptr, i64, i64 }, align 16
-  %a944 = alloca { ptr, i64, i64 }, align 16
+  %a943 = alloca { ptr, i64, i64 }, align 16
   %a945 = alloca { ptr, i64, i64 }, align 16
   %a946 = alloca { ptr, i64, i64 }, align 16
+  %a947 = alloca { ptr, i64, i64 }, align 16
+  %a948 = alloca { ptr, i64, i64 }, align 16
+  %a951 = alloca { ptr, i64, i64 }, align 16
+  %a952 = alloca { ptr, i64, i64 }, align 16
+  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a956 = alloca { ptr, i64, i64 }, align 16
+  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a958 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
   %a962 = alloca { ptr, i64, i64 }, align 16
   %a963 = alloca { ptr, i64, i64 }, align 16
-  %a964 = alloca { ptr, i64, i64 }, align 16
-  %a966 = alloca { ptr, i64, i64 }, align 16
-  %a967 = alloca { ptr, i64, i64 }, align 16
-  %a968 = alloca { ptr, i64, i64 }, align 16
+  %a970 = alloca { ptr, i64, i64 }, align 16
   %a971 = alloca { ptr, i64, i64 }, align 16
+  %a972 = alloca { ptr, i64, i64 }, align 16
   %a974 = alloca { ptr, i64, i64 }, align 16
   %a975 = alloca { ptr, i64, i64 }, align 16
   %a976 = alloca { ptr, i64, i64 }, align 16
-  %a978 = alloca { ptr, i64, i64 }, align 16
-  %a979 = alloca { ptr, i64, i64 }, align 16
+  %a977 = alloca { ptr, i64, i64 }, align 16
   %a980 = alloca { ptr, i64, i64 }, align 16
-  %a987 = alloca { ptr, i64, i64 }, align 16
-  %a988 = alloca { ptr, i64, i64 }, align 16
-  %a1003 = alloca %S.gen.Val, align 16
-  %a1006 = alloca { ptr, i64, i64 }, align 16
+  %a985 = alloca { ptr, i64, i64 }, align 16
+  %a986 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca %S.gen.Val, align 16
+  %a1004 = alloca { ptr, i64, i64 }, align 16
+  %a1007 = alloca { ptr, i64, i64 }, align 16
+  %a1008 = alloca { ptr, i64, i64 }, align 16
   %a1009 = alloca { ptr, i64, i64 }, align 16
-  %a1010 = alloca { ptr, i64, i64 }, align 16
   %a1011 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
   %a1013 = alloca { ptr, i64, i64 }, align 16
   %a1014 = alloca { ptr, i64, i64 }, align 16
-  %a1015 = alloca { ptr, i64, i64 }, align 16
+  %a1019 = alloca { ptr, i64, i64 }, align 16
   %a1020 = alloca { ptr, i64, i64 }, align 16
   %a1021 = alloca { ptr, i64, i64 }, align 16
   %a1022 = alloca { ptr, i64, i64 }, align 16
-  %a1024 = alloca { ptr, i64, i64 }, align 16
+  %a1023 = alloca { ptr, i64, i64 }, align 16
   %a1025 = alloca { ptr, i64, i64 }, align 16
   %a1026 = alloca { ptr, i64, i64 }, align 16
+  %a1027 = alloca { ptr, i64, i64 }, align 16
+  %a1028 = alloca { ptr, i64, i64 }, align 16
   %a1030 = alloca { ptr, i64, i64 }, align 16
-  %a1031 = alloca { ptr, i64, i64 }, align 16
-  %a1032 = alloca { ptr, i64, i64 }, align 16
-  %a1034 = alloca { ptr, i64, i64 }, align 16
-  %a1035 = alloca { ptr, i64, i64 }, align 16
-  %a1036 = alloca { ptr, i64, i64 }, align 16
-  %a1043 = alloca { ptr, i64, i64 }, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
+  %a1038 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
   %a1044 = alloca { ptr, i64, i64 }, align 16
-  %a1069 = alloca %S.gen.Val, align 16
-  %a1073 = alloca { ptr, i64, i64 }, align 16
+  %a1049 = alloca { ptr, i64, i64 }, align 16
+  %a1050 = alloca { ptr, i64, i64 }, align 16
+  %a1051 = alloca { ptr, i64, i64 }, align 16
+  %a1053 = alloca { ptr, i64, i64 }, align 16
+  %a1054 = alloca { ptr, i64, i64 }, align 16
+  %a1055 = alloca { ptr, i64, i64 }, align 16
+  %a1056 = alloca { ptr, i64, i64 }, align 16
+  %a1059 = alloca { ptr, i64, i64 }, align 16
+  %a1060 = alloca { ptr, i64, i64 }, align 16
+  %a1061 = alloca { ptr, i64, i64 }, align 16
+  %a1062 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
+  %a1065 = alloca { ptr, i64, i64 }, align 16
+  %a1066 = alloca { ptr, i64, i64 }, align 16
+  %a1067 = alloca { ptr, i64, i64 }, align 16
+  %a1070 = alloca { ptr, i64, i64 }, align 16
+  %a1071 = alloca { ptr, i64, i64 }, align 16
   %a1074 = alloca { ptr, i64, i64 }, align 16
   %a1075 = alloca { ptr, i64, i64 }, align 16
-  %a1077 = alloca { ptr, i64, i64 }, align 16
+  %a1076 = alloca { ptr, i64, i64 }, align 16
   %a1078 = alloca { ptr, i64, i64 }, align 16
   %a1079 = alloca { ptr, i64, i64 }, align 16
-  %a1082 = alloca { ptr, i64, i64 }, align 16
-  %a1085 = alloca { ptr, i64, i64 }, align 16
-  %a1088 = alloca { ptr, i64, i64 }, align 16
+  %a1080 = alloca { ptr, i64, i64 }, align 16
+  %a1081 = alloca { ptr, i64, i64 }, align 16
+  %a1084 = alloca { ptr, i64, i64 }, align 16
   %a1089 = alloca { ptr, i64, i64 }, align 16
-  %a1090 = alloca { ptr, i64, i64 }, align 16
-  %a1092 = alloca { ptr, i64, i64 }, align 16
-  %a1093 = alloca { ptr, i64, i64 }, align 16
-  %a1094 = alloca { ptr, i64, i64 }, align 16
-  %a1099 = alloca { ptr, i64, i64 }, align 16
-  %a1100 = alloca { ptr, i64, i64 }, align 16
-  %a1105 = alloca %S.gen.Val, align 16
-  %a1124 = alloca { ptr, i64, i64 }, align 16
-  %a1127 = alloca { ptr, i64, i64 }, align 16
+  %a1097 = alloca { ptr, i64, i64 }, align 16
+  %a1101 = alloca %S.ast.Type, align 16
+  %a1108 = alloca { ptr, i64, i64 }, align 16
+  %a1109 = alloca { ptr, i64, i64 }, align 16
+  %a1110 = alloca { ptr, i64, i64 }, align 16
+  %a1112 = alloca { ptr, i64, i64 }, align 16
+  %a1113 = alloca { ptr, i64, i64 }, align 16
+  %a1114 = alloca { ptr, i64, i64 }, align 16
+  %a1115 = alloca { ptr, i64, i64 }, align 16
+  %a1118 = alloca { ptr, i64, i64 }, align 16
+  %a1119 = alloca { ptr, i64, i64 }, align 16
+  %a1123 = alloca %S.ast.Type, align 16
   %a1128 = alloca { ptr, i64, i64 }, align 16
   %a1129 = alloca { ptr, i64, i64 }, align 16
-  %a1131 = alloca { ptr, i64, i64 }, align 16
+  %a1130 = alloca { ptr, i64, i64 }, align 16
   %a1132 = alloca { ptr, i64, i64 }, align 16
   %a1133 = alloca { ptr, i64, i64 }, align 16
+  %a1134 = alloca { ptr, i64, i64 }, align 16
+  %a1135 = alloca { ptr, i64, i64 }, align 16
   %a1138 = alloca { ptr, i64, i64 }, align 16
-  %a1139 = alloca { ptr, i64, i64 }, align 16
-  %a1140 = alloca { ptr, i64, i64 }, align 16
-  %a1142 = alloca { ptr, i64, i64 }, align 16
   %a1143 = alloca { ptr, i64, i64 }, align 16
   %a1144 = alloca { ptr, i64, i64 }, align 16
-  %a1154 = alloca { ptr, i64, i64 }, align 16
-  %a1155 = alloca { ptr, i64, i64 }, align 16
-  %a1170 = alloca %S.gen.Val, align 16
-  %a1176 = alloca { ptr, i64, i64 }, align 16
+  %a1159 = alloca %S.gen.Val, align 16
+  %a1162 = alloca { ptr, i64, i64 }, align 16
+  %a1165 = alloca { ptr, i64, i64 }, align 16
+  %a1166 = alloca { ptr, i64, i64 }, align 16
+  %a1167 = alloca { ptr, i64, i64 }, align 16
+  %a1169 = alloca { ptr, i64, i64 }, align 16
+  %a1170 = alloca { ptr, i64, i64 }, align 16
+  %a1171 = alloca { ptr, i64, i64 }, align 16
+  %a1172 = alloca { ptr, i64, i64 }, align 16
   %a1177 = alloca { ptr, i64, i64 }, align 16
   %a1178 = alloca { ptr, i64, i64 }, align 16
+  %a1179 = alloca { ptr, i64, i64 }, align 16
   %a1180 = alloca { ptr, i64, i64 }, align 16
   %a1181 = alloca { ptr, i64, i64 }, align 16
-  %a1182 = alloca { ptr, i64, i64 }, align 16
+  %a1183 = alloca { ptr, i64, i64 }, align 16
+  %a1184 = alloca { ptr, i64, i64 }, align 16
   %a1185 = alloca { ptr, i64, i64 }, align 16
+  %a1186 = alloca { ptr, i64, i64 }, align 16
+  %a1188 = alloca { ptr, i64, i64 }, align 16
+  %a1191 = alloca { ptr, i64, i64 }, align 16
+  %a1192 = alloca { ptr, i64, i64 }, align 16
+  %a1193 = alloca { ptr, i64, i64 }, align 16
+  %a1195 = alloca { ptr, i64, i64 }, align 16
   %a1196 = alloca { ptr, i64, i64 }, align 16
   %a1197 = alloca { ptr, i64, i64 }, align 16
-  %a1205 = alloca { ptr, i64, i64 }, align 16
-  %a1206 = alloca { ptr, i64, i64 }, align 16
-  %a1221 = alloca %S.gen.Val, align 16
-  %a1225 = alloca { ptr, i64, i64 }, align 16
-  %a1226 = alloca { ptr, i64, i64 }, align 16
-  %a1240 = alloca { ptr, i64, i64 }, align 16
-  %a1241 = alloca { ptr, i64, i64 }, align 16
-  %a1242 = alloca { ptr, i64, i64 }, align 16
-  %a1244 = alloca { ptr, i64, i64 }, align 16
-  %a1245 = alloca { ptr, i64, i64 }, align 16
-  %a1246 = alloca { ptr, i64, i64 }, align 16
-  %a1257 = alloca i64, align 16
+  %a1198 = alloca { ptr, i64, i64 }, align 16
+  %a1201 = alloca { ptr, i64, i64 }, align 16
+  %a1202 = alloca { ptr, i64, i64 }, align 16
+  %a1206 = alloca %S.ast.Type, align 16
+  %a1210 = alloca { ptr, i64, i64 }, align 16
+  %a1211 = alloca { ptr, i64, i64 }, align 16
+  %a1217 = alloca { ptr, i64, i64 }, align 16
+  %a1218 = alloca { ptr, i64, i64 }, align 16
+  %a1243 = alloca %S.gen.Val, align 16
+  %a1244 = alloca %S.ast.Type, align 16
+  %a1245 = alloca %S.gen.Val, align 16
+  %a1249 = alloca { ptr, i64, i64 }, align 16
+  %a1250 = alloca { ptr, i64, i64 }, align 16
+  %a1251 = alloca { ptr, i64, i64 }, align 16
+  %a1253 = alloca { ptr, i64, i64 }, align 16
+  %a1254 = alloca { ptr, i64, i64 }, align 16
+  %a1255 = alloca { ptr, i64, i64 }, align 16
+  %a1256 = alloca { ptr, i64, i64 }, align 16
+  %a1259 = alloca { ptr, i64, i64 }, align 16
+  %a1260 = alloca { ptr, i64, i64 }, align 16
+  %a1263 = alloca { ptr, i64, i64 }, align 16
+  %a1266 = alloca { ptr, i64, i64 }, align 16
+  %a1267 = alloca { ptr, i64, i64 }, align 16
   %a1268 = alloca { ptr, i64, i64 }, align 16
-  %a1269 = alloca { ptr, i64, i64 }, align 16
   %a1270 = alloca { ptr, i64, i64 }, align 16
+  %a1271 = alloca { ptr, i64, i64 }, align 16
   %a1272 = alloca { ptr, i64, i64 }, align 16
   %a1273 = alloca { ptr, i64, i64 }, align 16
-  %a1274 = alloca { ptr, i64, i64 }, align 16
-  %a1288 = alloca i64, align 16
-  %a1312 = alloca { ptr, i64, i64 }, align 16
+  %a1275 = alloca { ptr, i64, i64 }, align 16
+  %a1279 = alloca { ptr, i64, i64 }, align 16
+  %a1280 = alloca { ptr, i64, i64 }, align 16
+  %a1285 = alloca %S.gen.Val, align 16
+  %a1303 = alloca %S.gen.Val, align 16
+  %a1306 = alloca { ptr, i64, i64 }, align 16
+  %a1309 = alloca { ptr, i64, i64 }, align 16
+  %a1310 = alloca { ptr, i64, i64 }, align 16
+  %a1311 = alloca { ptr, i64, i64 }, align 16
   %a1313 = alloca { ptr, i64, i64 }, align 16
   %a1314 = alloca { ptr, i64, i64 }, align 16
+  %a1315 = alloca { ptr, i64, i64 }, align 16
   %a1316 = alloca { ptr, i64, i64 }, align 16
-  %a1317 = alloca { ptr, i64, i64 }, align 16
-  %a1318 = alloca { ptr, i64, i64 }, align 16
   %a1321 = alloca { ptr, i64, i64 }, align 16
   %a1322 = alloca { ptr, i64, i64 }, align 16
   %a1323 = alloca { ptr, i64, i64 }, align 16
+  %a1324 = alloca { ptr, i64, i64 }, align 16
   %a1325 = alloca { ptr, i64, i64 }, align 16
-  %a1326 = alloca { ptr, i64, i64 }, align 16
   %a1327 = alloca { ptr, i64, i64 }, align 16
+  %a1328 = alloca { ptr, i64, i64 }, align 16
   %a1329 = alloca { ptr, i64, i64 }, align 16
-  %a1332 = alloca i64, align 16
-  %a1340 = alloca %S.ast.Type, align 16
-  %a1361 = alloca %S.ast.Type, align 16
-  %a1382 = alloca i64, align 16
-  %a1395 = alloca %S.gen.StructDef, align 16
-  %a1396 = alloca %S.gen.StructDef, align 16
-  %a1398 = alloca %S.gen.StructDef, align 16
-  %a1426 = alloca %S.ast.Node, align 16
-  %a1427 = alloca %S.ast.Node, align 16
-  %a1429 = alloca %S.ast.Node, align 16
-  %a1438 = alloca { ptr, i64, i64 }, align 16
-  %a1439 = alloca { ptr, i64, i64 }, align 16
-  %a1440 = alloca { ptr, i64, i64 }, align 16
-  %a1442 = alloca { ptr, i64, i64 }, align 16
-  %a1443 = alloca { ptr, i64, i64 }, align 16
-  %a1444 = alloca { ptr, i64, i64 }, align 16
-  %a1448 = alloca { ptr, i64, i64 }, align 16
+  %a1330 = alloca { ptr, i64, i64 }, align 16
+  %a1332 = alloca { ptr, i64, i64 }, align 16
+  %a1343 = alloca { ptr, i64, i64 }, align 16
+  %a1344 = alloca { ptr, i64, i64 }, align 16
+  %a1359 = alloca %S.gen.Val, align 16
+  %a1365 = alloca { ptr, i64, i64 }, align 16
+  %a1366 = alloca { ptr, i64, i64 }, align 16
+  %a1367 = alloca { ptr, i64, i64 }, align 16
+  %a1368 = alloca { ptr, i64, i64 }, align 16
+  %a1370 = alloca { ptr, i64, i64 }, align 16
+  %a1371 = alloca { ptr, i64, i64 }, align 16
+  %a1372 = alloca { ptr, i64, i64 }, align 16
+  %a1373 = alloca { ptr, i64, i64 }, align 16
+  %a1376 = alloca { ptr, i64, i64 }, align 16
+  %a1377 = alloca { ptr, i64, i64 }, align 16
+  %a1387 = alloca { ptr, i64, i64 }, align 16
+  %a1388 = alloca { ptr, i64, i64 }, align 16
+  %a1390 = alloca { ptr, i64, i64 }, align 16
+  %a1391 = alloca { ptr, i64, i64 }, align 16
+  %a1399 = alloca { ptr, i64, i64 }, align 16
+  %a1400 = alloca { ptr, i64, i64 }, align 16
+  %a1415 = alloca %S.gen.Val, align 16
+  %a1419 = alloca { ptr, i64, i64 }, align 16
+  %a1420 = alloca { ptr, i64, i64 }, align 16
   %a1449 = alloca { ptr, i64, i64 }, align 16
-  %a1451 = alloca { ptr, i64, i64 }, align 16
   %a1452 = alloca { ptr, i64, i64 }, align 16
-  %a1453 = alloca { ptr, i64, i64 }, align 16
-  %a1455 = alloca { ptr, i64, i64 }, align 16
-  %a1456 = alloca { ptr, i64, i64 }, align 16
   %a1457 = alloca { ptr, i64, i64 }, align 16
-  %a1489 = alloca i64, align 16
-  %a1501 = alloca { ptr, i64, i64 }, align 16
-  %a1511 = alloca { ptr, i64, i64 }, align 16
-  %a1514 = alloca { ptr, i64, i64 }, align 16
-  %a1515 = alloca { ptr, i64, i64 }, align 16
-  %a1542 = alloca { ptr, i64, i64 }, align 16
-  %a1543 = alloca { ptr, i64, i64 }, align 16
-  %a1544 = alloca { ptr, i64, i64 }, align 16
-  %a1546 = alloca { ptr, i64, i64 }, align 16
-  %a1547 = alloca { ptr, i64, i64 }, align 16
-  %a1548 = alloca { ptr, i64, i64 }, align 16
-  %a1553 = alloca { ptr, i64, i64 }, align 16
-  %a1554 = alloca { ptr, i64, i64 }, align 16
-  %a1555 = alloca { ptr, i64, i64 }, align 16
-  %a1557 = alloca { ptr, i64, i64 }, align 16
-  %a1558 = alloca { ptr, i64, i64 }, align 16
-  %a1559 = alloca { ptr, i64, i64 }, align 16
-  %a1563 = alloca { ptr, i64, i64 }, align 16
-  %a1564 = alloca { ptr, i64, i64 }, align 16
-  %a1565 = alloca { ptr, i64, i64 }, align 16
+  %a1458 = alloca { ptr, i64, i64 }, align 16
+  %a1459 = alloca { ptr, i64, i64 }, align 16
+  %a1461 = alloca { ptr, i64, i64 }, align 16
+  %a1462 = alloca { ptr, i64, i64 }, align 16
+  %a1463 = alloca { ptr, i64, i64 }, align 16
+  %a1464 = alloca { ptr, i64, i64 }, align 16
+  %a1467 = alloca { ptr, i64, i64 }, align 16
+  %a1470 = alloca { ptr, i64, i64 }, align 16
+  %a1491 = alloca { ptr, i64, i64 }, align 16
+  %a1492 = alloca { ptr, i64, i64 }, align 16
+  %a1493 = alloca { ptr, i64, i64 }, align 16
+  %a1495 = alloca { ptr, i64, i64 }, align 16
+  %a1496 = alloca { ptr, i64, i64 }, align 16
+  %a1497 = alloca { ptr, i64, i64 }, align 16
+  %a1498 = alloca { ptr, i64, i64 }, align 16
+  %a1500 = alloca { ptr, i64, i64 }, align 16
+  %a1510 = alloca i64, align 16
+  %a1521 = alloca { ptr, i64, i64 }, align 16
+  %a1522 = alloca { ptr, i64, i64 }, align 16
+  %a1523 = alloca { ptr, i64, i64 }, align 16
+  %a1525 = alloca { ptr, i64, i64 }, align 16
+  %a1526 = alloca { ptr, i64, i64 }, align 16
+  %a1527 = alloca { ptr, i64, i64 }, align 16
+  %a1528 = alloca { ptr, i64, i64 }, align 16
+  %a1530 = alloca { ptr, i64, i64 }, align 16
+  %a1543 = alloca i64, align 16
+  %a1567 = alloca { ptr, i64, i64 }, align 16
+  %a1568 = alloca { ptr, i64, i64 }, align 16
+  %a1569 = alloca { ptr, i64, i64 }, align 16
+  %a1571 = alloca { ptr, i64, i64 }, align 16
+  %a1572 = alloca { ptr, i64, i64 }, align 16
+  %a1573 = alloca { ptr, i64, i64 }, align 16
+  %a1574 = alloca { ptr, i64, i64 }, align 16
+  %a1577 = alloca { ptr, i64, i64 }, align 16
+  %a1578 = alloca { ptr, i64, i64 }, align 16
+  %a1579 = alloca { ptr, i64, i64 }, align 16
+  %a1580 = alloca { ptr, i64, i64 }, align 16
+  %a1582 = alloca { ptr, i64, i64 }, align 16
+  %a1583 = alloca { ptr, i64, i64 }, align 16
+  %a1584 = alloca { ptr, i64, i64 }, align 16
+  %a1585 = alloca { ptr, i64, i64 }, align 16
+  %a1587 = alloca { ptr, i64, i64 }, align 16
+  %a1588 = alloca { ptr, i64, i64 }, align 16
+  %a1591 = alloca i64, align 16
+  %a1599 = alloca %S.ast.Type, align 16
+  %a1620 = alloca %S.ast.Type, align 16
+  %a1641 = alloca i64, align 16
+  %a1654 = alloca %S.gen.StructDef, align 16
+  %a1655 = alloca %S.gen.StructDef, align 16
+  %a1657 = alloca %S.gen.StructDef, align 16
+  %a1685 = alloca %S.ast.Node, align 16
+  %a1686 = alloca %S.ast.Node, align 16
+  %a1688 = alloca %S.ast.Node, align 16
+  %a1697 = alloca { ptr, i64, i64 }, align 16
+  %a1698 = alloca { ptr, i64, i64 }, align 16
+  %a1699 = alloca { ptr, i64, i64 }, align 16
+  %a1701 = alloca { ptr, i64, i64 }, align 16
+  %a1702 = alloca { ptr, i64, i64 }, align 16
+  %a1703 = alloca { ptr, i64, i64 }, align 16
+  %a1704 = alloca { ptr, i64, i64 }, align 16
+  %a1708 = alloca { ptr, i64, i64 }, align 16
+  %a1709 = alloca { ptr, i64, i64 }, align 16
+  %a1711 = alloca { ptr, i64, i64 }, align 16
+  %a1712 = alloca { ptr, i64, i64 }, align 16
+  %a1713 = alloca { ptr, i64, i64 }, align 16
+  %a1714 = alloca { ptr, i64, i64 }, align 16
+  %a1715 = alloca { ptr, i64, i64 }, align 16
+  %a1717 = alloca { ptr, i64, i64 }, align 16
+  %a1718 = alloca { ptr, i64, i64 }, align 16
+  %a1719 = alloca { ptr, i64, i64 }, align 16
+  %a1720 = alloca { ptr, i64, i64 }, align 16
+  %a1737 = alloca { ptr, i64, i64 }, align 16
+  %a1753 = alloca i64, align 16
+  %a1765 = alloca { ptr, i64, i64 }, align 16
+  %a1775 = alloca { ptr, i64, i64 }, align 16
+  %a1778 = alloca { ptr, i64, i64 }, align 16
+  %a1779 = alloca { ptr, i64, i64 }, align 16
+  %a1806 = alloca { ptr, i64, i64 }, align 16
+  %a1807 = alloca { ptr, i64, i64 }, align 16
+  %a1808 = alloca { ptr, i64, i64 }, align 16
+  %a1810 = alloca { ptr, i64, i64 }, align 16
+  %a1811 = alloca { ptr, i64, i64 }, align 16
+  %a1812 = alloca { ptr, i64, i64 }, align 16
+  %a1813 = alloca { ptr, i64, i64 }, align 16
+  %a1815 = alloca { ptr, i64, i64 }, align 16
+  %a1819 = alloca { ptr, i64, i64 }, align 16
+  %a1820 = alloca { ptr, i64, i64 }, align 16
+  %a1821 = alloca { ptr, i64, i64 }, align 16
+  %a1823 = alloca { ptr, i64, i64 }, align 16
+  %a1824 = alloca { ptr, i64, i64 }, align 16
+  %a1825 = alloca { ptr, i64, i64 }, align 16
+  %a1826 = alloca { ptr, i64, i64 }, align 16
+  %a1830 = alloca { ptr, i64, i64 }, align 16
+  %a1831 = alloca { ptr, i64, i64 }, align 16
+  %a1832 = alloca { ptr, i64, i64 }, align 16
+  %a1833 = alloca { ptr, i64, i64 }, align 16
+  %a1834 = alloca { ptr, i64, i64 }, align 16
+  %a1836 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
@@ -66574,2184 +78930,2763 @@ entry:
   store { ptr, i64, i64 } %t7, ptr %a8
   %t9 = load ptr, ptr %a1
   %t10 = icmp eq ptr %t9, null
-  br i1 %t10, label %panic7327, label %ok7328
-panic7327:
-  call void @finch_panic(ptr @.str.4809, i64 4304, ptr @.str.4810)
+  br i1 %t10, label %panic7704, label %ok7705
+panic7704:
+  call void @finch_panic(ptr @.str.4980, i64 4608, ptr @.str.4981)
   unreachable
-ok7328:
-  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 26
+ok7705:
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %t9, i32 0, i32 27
   %t12 = load i1, ptr %t11
-  br label %logic.from7329
-logic.from7329:
-  br i1 %t12, label %logic.rhs7330, label %logic.end7331
-logic.rhs7330:
+  br label %logic.from7706
+logic.from7706:
+  br i1 %t12, label %logic.rhs7707, label %logic.end7708
+logic.rhs7707:
   %t13 = load { ptr, i64, i64 }, ptr %a8
   %t14 = call i1 @finch.gen.isBuiltin({ ptr, i64, i64 } %t13)
-  br label %logic.rend7332
-logic.rend7332:
-  br label %logic.end7331
-logic.end7331:
-  %t15 = phi i1 [ false, %logic.from7329 ], [ %t14, %logic.rend7332 ]
-  br i1 %t15, label %then7333, label %endif7335
-then7333:
+  br label %logic.rend7709
+logic.rend7709:
+  br label %logic.end7708
+logic.end7708:
+  %t15 = phi i1 [ false, %logic.from7706 ], [ %t14, %logic.rend7709 ]
+  br i1 %t15, label %then7710, label %endif7712
+then7710:
   %t16 = call { ptr, i64, i64 } @finch.docs.builtins()
   %t17 = load { ptr, i64, i64 }, ptr %a8
   %t18 = call %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %t16, { ptr, i64, i64 } %t17)
-  store %S.docs.Doc %t18, ptr %a19
-  %t20 = getelementptr inbounds %S.docs.Doc, ptr %a19, i32 0, i32 0
-  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
-  %t22 = load i64, ptr %t21
-  %t23 = icmp sgt i64 %t22, 0
-  br i1 %t23, label %then7336, label %endif7338
-then7336:
-  %t24 = load ptr, ptr %a1
-  %t25 = load %S.ast.Node, ptr %a2
-  %t26 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t27 = load i64, ptr %t26
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t29 = load i64, ptr %t28
-  %t30 = load %S.docs.Doc, ptr %a19
-  %t31 = call { ptr, i64, i64 } @finch.docs.hover(%S.docs.Doc %t30)
-  call void @finch.gen.noteRef(ptr %t24, %S.ast.Node %t25, i64 %t27, i64 %t29, { ptr, i64, i64 } %t31, { ptr, i64, i64 } { ptr @.str.4811, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif7338
-endif7338:
-  br label %endif7335
-endif7335:
-  %t32 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch.drop.arr_S_docs_Doc(ptr %a19)
+  store %S.docs.Doc %t18, ptr %a20
+  %t21 = getelementptr inbounds %S.docs.Doc, ptr %a20, i32 0, i32 0
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = icmp sgt i64 %t23, 0
+  br i1 %t24, label %then7716, label %endif7718
+then7716:
+  %t25 = load ptr, ptr %a1
+  %t26 = load %S.ast.Node, ptr %a2
+  %t27 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t28 = load i64, ptr %t27
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = load %S.docs.Doc, ptr %a20
+  %t32 = call { ptr, i64, i64 } @finch.docs.hover(%S.docs.Doc %t31)
+  call void @finch.gen.noteRef(ptr %t25, %S.ast.Node %t26, i64 %t28, i64 %t30, { ptr, i64, i64 } %t32, { ptr, i64, i64 } { ptr @.str.4982, i64 0, i64 0 }, i64 0, i64 0)
   store { ptr, i64, i64 } %t32, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.4812, i64 5, i64 0 }, ptr %a34
-  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
-  %t36 = icmp ne i32 %t35, 0
-  br i1 %t36, label %then7339, label %endif7341
-then7339:
-  %t37 = load ptr, ptr %a1
-  %t38 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t37, %S.ast.Node %t38, { ptr, i64, i64 } { ptr @.str.4813, i64 86, i64 0 })
-  br label %endif7341
-endif7341:
-  %t39 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.4814, i64 5, i64 0 }, ptr %a41
-  %t42 = call i32 @finch_str_eq(ptr %a40, ptr %a41)
-  %t43 = icmp ne i32 %t42, 0
-  br i1 %t43, label %then7342, label %endif7344
-then7342:
-  %t44 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
-  %t46 = load i64, ptr %t45
-  store i64 0, ptr %a47
-  br label %for.cond7345
-for.cond7345:
-  %t48 = load i64, ptr %a47
-  %t49 = icmp slt i64 %t48, %t46
-  br i1 %t49, label %for.body7346, label %for.end7348
-for.body7346:
-  %t50 = load ptr, ptr %a1
-  %t51 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t52 = load i64, ptr %a47
-  %t53 = load { ptr, i64, i64 }, ptr %t51
-  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
-  %t55 = icmp uge i64 %t52, %t54
-  br i1 %t55, label %range7349, label %inrange7350
-range7349:
-  call void @finch_panic_index(ptr @.str.4815, i64 4315, i64 %t52, i64 %t54)
+  call void @finch_str_drop(ptr %a33)
+  br label %endif7718
+endif7718:
+  call void @finch.drop.S_docs_Doc(ptr %a20)
+  br label %endif7712
+endif7712:
+  %t34 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t34, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.4983, i64 5, i64 0 }, ptr %a36
+  %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
+  %t38 = icmp ne i32 %t37, 0
+  br i1 %t38, label %then7719, label %endif7721
+then7719:
+  %t39 = load ptr, ptr %a1
+  %t40 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t39, %S.ast.Node %t40, { ptr, i64, i64 } { ptr @.str.4984, i64 86, i64 0 })
+  br label %endif7721
+endif7721:
+  %t41 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t41, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.4985, i64 5, i64 0 }, ptr %a43
+  %t44 = call i32 @finch_str_eq(ptr %a42, ptr %a43)
+  %t45 = icmp ne i32 %t44, 0
+  br i1 %t45, label %then7722, label %endif7724
+then7722:
+  %t46 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i32 0, i32 1
+  %t48 = load i64, ptr %t47
+  store i64 0, ptr %a49
+  br label %for.cond7725
+for.cond7725:
+  %t50 = load i64, ptr %a49
+  %t51 = icmp slt i64 %t50, %t48
+  br i1 %t51, label %for.body7726, label %for.end7728
+for.body7726:
+  %t52 = load ptr, ptr %a1
+  %t53 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t54 = load i64, ptr %a49
+  %t55 = load { ptr, i64, i64 }, ptr %t53
+  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
+  %t57 = icmp uge i64 %t54, %t56
+  br i1 %t57, label %range7729, label %inrange7730
+range7729:
+  call void @finch_panic_index(ptr @.str.4986, i64 4619, i64 %t54, i64 %t56)
   unreachable
-inrange7350:
-  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
-  %t57 = getelementptr inbounds %S.ast.Node, ptr %t56, i64 %t52
-  %t58 = load %S.ast.Node, ptr %t57
-  %t59 = call %S.gen.Val @finch.gen.expr(ptr %t50, %S.ast.Node %t58)
-  store %S.gen.Val %t59, ptr %a60
-  %t61 = getelementptr inbounds %S.gen.Val, ptr %a60, i32 0, i32 1
-  %t62 = getelementptr inbounds %S.ast.Type, ptr %t61, i32 0, i32 0
-  %t63 = load { ptr, i64, i64 }, ptr %t62
-  store { ptr, i64, i64 } %t63, ptr %a64
-  store { ptr, i64, i64 } { ptr @.str.4816, i64 4, i64 0 }, ptr %a65
-  %t66 = call i32 @finch_str_eq(ptr %a64, ptr %a65)
-  %t67 = icmp ne i32 %t66, 0
-  br i1 %t67, label %then7351, label %endif7353
-then7351:
-  %t68 = load ptr, ptr %a1
-  %t69 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t70 = load i64, ptr %a47
-  %t71 = load { ptr, i64, i64 }, ptr %t69
-  %t72 = extractvalue { ptr, i64, i64 } %t71, 1
-  %t73 = icmp uge i64 %t70, %t72
-  br i1 %t73, label %range7354, label %inrange7355
-range7354:
-  call void @finch_panic_index(ptr @.str.4817, i64 4317, i64 %t70, i64 %t72)
+inrange7730:
+  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
+  %t59 = getelementptr inbounds %S.ast.Node, ptr %t58, i64 %t54
+  %t60 = load %S.ast.Node, ptr %t59
+  %t61 = call %S.gen.Val @finch.gen.expr(ptr %t52, %S.ast.Node %t60)
+  store %S.gen.Val %t61, ptr %a62
+  %t63 = getelementptr inbounds %S.gen.Val, ptr %a62, i32 0, i32 1
+  %t64 = getelementptr inbounds %S.ast.Type, ptr %t63, i32 0, i32 0
+  %t65 = load { ptr, i64, i64 }, ptr %t64
+  store { ptr, i64, i64 } %t65, ptr %a66
+  store { ptr, i64, i64 } { ptr @.str.4987, i64 4, i64 0 }, ptr %a67
+  %t68 = call i32 @finch_str_eq(ptr %a66, ptr %a67)
+  %t69 = icmp ne i32 %t68, 0
+  br i1 %t69, label %then7731, label %endif7733
+then7731:
+  %t70 = load ptr, ptr %a1
+  %t71 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t72 = load i64, ptr %a49
+  %t73 = load { ptr, i64, i64 }, ptr %t71
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 %t72, %t74
+  br i1 %t75, label %range7734, label %inrange7735
+range7734:
+  call void @finch_panic_index(ptr @.str.4988, i64 4621, i64 %t72, i64 %t74)
   unreachable
-inrange7355:
-  %t74 = extractvalue { ptr, i64, i64 } %t71, 0
-  %t75 = getelementptr inbounds %S.ast.Node, ptr %t74, i64 %t70
-  %t76 = load %S.ast.Node, ptr %t75
-  call void @finch.gen.fail(ptr %t68, %S.ast.Node %t76, { ptr, i64, i64 } { ptr @.str.4818, i64 53, i64 0 })
-  br label %endif7353
-endif7353:
-  %t77 = load i64, ptr %a47
-  %t78 = icmp sgt i64 %t77, 0
-  br i1 %t78, label %then7356, label %endif7358
-then7356:
-  %t79 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t79, { ptr, i64, i64 } { ptr @.str.4819, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4820, i64 0, i64 0 })
-  br label %endif7358
-endif7358:
-  %t80 = load ptr, ptr %a1
-  %t81 = getelementptr inbounds %S.gen.Val, ptr %a60, i32 0, i32 0
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  %t83 = getelementptr inbounds %S.gen.Val, ptr %a60, i32 0, i32 1
-  %t84 = load %S.ast.Type, ptr %t83
-  call void @finch.gen.emitPrint(ptr %t80, { ptr, i64, i64 } %t82, %S.ast.Type %t84, i1 false)
-  br label %for.step7347
-for.step7347:
-  %t85 = load i64, ptr %a47
-  %t86 = add i64 %t85, 1
-  store i64 %t86, ptr %a47
-  br label %for.cond7345
-for.end7348:
+inrange7735:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %t76, i64 %t72
+  %t78 = load %S.ast.Node, ptr %t77
+  call void @finch.gen.fail(ptr %t70, %S.ast.Node %t78, { ptr, i64, i64 } { ptr @.str.4989, i64 53, i64 0 })
+  br label %endif7733
+endif7733:
+  %t79 = load i64, ptr %a49
+  %t80 = icmp sgt i64 %t79, 0
+  br i1 %t80, label %then7736, label %endif7738
+then7736:
+  %t81 = load ptr, ptr %a1
+  call void @finch.gen.printf(ptr %t81, { ptr, i64, i64 } { ptr @.str.4990, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4991, i64 0, i64 0 })
+  br label %endif7738
+endif7738:
+  %t82 = load ptr, ptr %a1
+  %t83 = getelementptr inbounds %S.gen.Val, ptr %a62, i32 0, i32 0
+  %t84 = load { ptr, i64, i64 }, ptr %t83
+  %t85 = getelementptr inbounds %S.gen.Val, ptr %a62, i32 0, i32 1
+  %t86 = load %S.ast.Type, ptr %t85
+  call void @finch.gen.emitPrint(ptr %t82, { ptr, i64, i64 } %t84, %S.ast.Type %t86, i1 false)
   %t87 = load ptr, ptr %a1
-  call void @finch.gen.printf(ptr %t87, { ptr, i64, i64 } { ptr @.str.4821, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4822, i64 0, i64 0 })
-  %t88 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4823, i64 4, i64 0 })
-  %t89 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t88, 1
-  ret %S.gen.Val %t89
-endif7344:
-  %t90 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t90, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.4824, i64 4, i64 0 }, ptr %a92
-  %t93 = call i32 @finch_str_eq(ptr %a91, ptr %a92)
-  %t94 = icmp ne i32 %t93, 0
-  br i1 %t94, label %then7359, label %endif7361
-then7359:
-  %t95 = load ptr, ptr %a1
-  %t96 = load %S.ast.Node, ptr %a2
-  %t97 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t95, %S.ast.Node %t96, i64 0, i64 1, { ptr, i64, i64 } %t97)
-  %t98 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t99 = load { ptr, i64, i64 }, ptr %t98
-  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
-  %t101 = icmp uge i64 0, %t100
-  br i1 %t101, label %range7362, label %inrange7363
-range7362:
-  call void @finch_panic_index(ptr @.str.4825, i64 4329, i64 0, i64 %t100)
+  %t88 = load %S.gen.Val, ptr %a62
+  call void @finch.gen.release(ptr %t87, %S.gen.Val %t88)
+  call void @finch.drop.S_gen_Val(ptr %a62)
+  br label %for.step7727
+for.step7727:
+  %t89 = load i64, ptr %a49
+  %t90 = add i64 %t89, 1
+  store i64 %t90, ptr %a49
+  br label %for.cond7725
+for.end7728:
+  %t91 = load ptr, ptr %a1
+  call void @finch.gen.printf(ptr %t91, { ptr, i64, i64 } { ptr @.str.4992, i64 1, i64 0 }, { ptr, i64, i64 } { ptr @.str.4993, i64 0, i64 0 })
+  %t92 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4994, i64 4, i64 0 })
+  %t93 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t92, 1
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t93
+endif7724:
+  %t94 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t94, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.4995, i64 4, i64 0 }, ptr %a96
+  %t97 = call i32 @finch_str_eq(ptr %a95, ptr %a96)
+  %t98 = icmp ne i32 %t97, 0
+  br i1 %t98, label %then7739, label %endif7741
+then7739:
+  %t99 = load ptr, ptr %a1
+  %t100 = load %S.ast.Node, ptr %a2
+  %t101 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t99, %S.ast.Node %t100, i64 0, i64 1, { ptr, i64, i64 } %t101)
+  %t102 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t103 = load { ptr, i64, i64 }, ptr %t102
+  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
+  %t105 = icmp uge i64 0, %t104
+  br i1 %t105, label %range7742, label %inrange7743
+range7742:
+  call void @finch_panic_index(ptr @.str.4996, i64 4634, i64 0, i64 %t104)
   unreachable
-inrange7363:
-  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
-  %t103 = getelementptr inbounds %S.ast.Node, ptr %t102, i64 0
-  %t104 = load %S.ast.Node, ptr %t103
-  store %S.ast.Node %t104, ptr %a105
-  call void @finch.copy.S_ast_Node(ptr %a106, ptr %a105)
-  %t107 = load %S.ast.Node, ptr %a106
-  store %S.ast.Node %t107, ptr %a108
-  %t109 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t110 = load { ptr, i64, i64 }, ptr %t109
-  store { ptr, i64, i64 } %t110, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.4826, i64 3, i64 0 }, ptr %a112
-  %t113 = call i32 @finch_str_eq(ptr %a111, ptr %a112)
-  %t114 = icmp ne i32 %t113, 0
-  br label %logic.from7364
-logic.from7364:
-  br i1 %t114, label %logic.rhs7365, label %logic.end7366
-logic.rhs7365:
-  %t115 = load ptr, ptr %a1
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 1
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  %t118 = call i64 @finch.gen.lookup(ptr %t115, { ptr, i64, i64 } %t117)
-  %t119 = icmp slt i64 %t118, 0
-  br label %logic.rend7367
-logic.rend7367:
-  br label %logic.end7366
-logic.end7366:
-  %t120 = phi i1 [ false, %logic.from7364 ], [ %t119, %logic.rend7367 ]
-  br i1 %t120, label %then7368, label %endif7370
-then7368:
-  %t121 = load ptr, ptr %a1
-  %t122 = load ptr, ptr %a1
-  %t123 = icmp eq ptr %t122, null
-  br i1 %t123, label %panic7371, label %ok7372
-panic7371:
-  call void @finch_panic(ptr @.str.4827, i64 4331, ptr @.str.4828)
+inrange7743:
+  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
+  %t107 = getelementptr inbounds %S.ast.Node, ptr %t106, i64 0
+  %t108 = load %S.ast.Node, ptr %t107
+  store %S.ast.Node %t108, ptr %a109
+  call void @finch.copy.S_ast_Node(ptr %a110, ptr %a109)
+  %t111 = load %S.ast.Node, ptr %a110
+  store %S.ast.Node %t111, ptr %a112
+  %t113 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t114 = load { ptr, i64, i64 }, ptr %t113
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.4997, i64 3, i64 0 }, ptr %a116
+  %t117 = call i32 @finch_str_eq(ptr %a115, ptr %a116)
+  %t118 = icmp ne i32 %t117, 0
+  br label %logic.from7744
+logic.from7744:
+  br i1 %t118, label %logic.rhs7745, label %logic.end7746
+logic.rhs7745:
+  %t119 = load ptr, ptr %a1
+  %t120 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %t120
+  %t122 = call i64 @finch.gen.lookup(ptr %t119, { ptr, i64, i64 } %t121)
+  %t123 = icmp slt i64 %t122, 0
+  br label %logic.rend7747
+logic.rend7747:
+  br label %logic.end7746
+logic.end7746:
+  %t124 = phi i1 [ false, %logic.from7744 ], [ %t123, %logic.rend7747 ]
+  br i1 %t124, label %then7748, label %endif7750
+then7748:
+  %t125 = load ptr, ptr %a1
+  %t126 = load ptr, ptr %a1
+  %t127 = icmp eq ptr %t126, null
+  br i1 %t127, label %panic7751, label %ok7752
+panic7751:
+  call void @finch_panic(ptr @.str.4998, i64 4636, ptr @.str.4999)
   unreachable
-ok7372:
-  %t124 = getelementptr inbounds %S.gen.Gen, ptr %t122, i32 0, i32 13
-  %t125 = load { ptr, i64, i64 }, ptr %t124
-  %t126 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 1
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  %t128 = call i64 @finch.gen.findFn(ptr %t121, { ptr, i64, i64 } %t125, { ptr, i64, i64 } %t127)
-  store i64 %t128, ptr %a129
-  %t130 = load i64, ptr %a129
-  %t131 = icmp sge i64 %t130, 0
-  br i1 %t131, label %then7373, label %endif7375
-then7373:
-  %t132 = load ptr, ptr %a1
-  %t133 = load i64, ptr %a129
-  %t134 = load %S.ast.Node, ptr %a108
-  %t135 = call { ptr, i64, i64 } @finch.gen.cThunk(ptr %t132, i64 %t133, %S.ast.Node %t134)
-  %t136 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t135, 0
-  %t137 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4829, i64 3, i64 0 })
-  %t138 = insertvalue %S.gen.Val %t136, %S.ast.Type %t137, 1
-  ret %S.gen.Val %t138
-endif7375:
-  br label %endif7370
-endif7370:
-  %t139 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t140 = load { ptr, i64, i64 }, ptr %t139
-  store { ptr, i64, i64 } %t140, ptr %a141
-  store { ptr, i64, i64 } { ptr @.str.4830, i64 3, i64 0 }, ptr %a142
-  %t143 = call i32 @finch_str_eq(ptr %a141, ptr %a142)
-  %t144 = icmp eq i32 %t143, 0
-  br label %logic.from7376
-logic.from7376:
-  br i1 %t144, label %logic.rhs7377, label %logic.end7378
-logic.rhs7377:
-  %t145 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t146 = load { ptr, i64, i64 }, ptr %t145
-  store { ptr, i64, i64 } %t146, ptr %a147
-  store { ptr, i64, i64 } { ptr @.str.4831, i64 6, i64 0 }, ptr %a148
-  %t149 = call i32 @finch_str_eq(ptr %a147, ptr %a148)
-  %t150 = icmp eq i32 %t149, 0
-  br label %logic.rend7379
-logic.rend7379:
-  br label %logic.end7378
-logic.end7378:
-  %t151 = phi i1 [ false, %logic.from7376 ], [ %t150, %logic.rend7379 ]
-  br label %logic.from7380
-logic.from7380:
-  br i1 %t151, label %logic.rhs7381, label %logic.end7382
-logic.rhs7381:
-  %t152 = getelementptr inbounds %S.ast.Node, ptr %a108, i32 0, i32 0
-  %t153 = load { ptr, i64, i64 }, ptr %t152
-  store { ptr, i64, i64 } %t153, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.4832, i64 5, i64 0 }, ptr %a155
-  %t156 = call i32 @finch_str_eq(ptr %a154, ptr %a155)
-  %t157 = icmp eq i32 %t156, 0
-  br label %logic.rend7383
-logic.rend7383:
-  br label %logic.end7382
-logic.end7382:
-  %t158 = phi i1 [ false, %logic.from7380 ], [ %t157, %logic.rend7383 ]
-  br i1 %t158, label %then7384, label %endif7386
-then7384:
-  %t159 = load ptr, ptr %a1
-  %t160 = load %S.ast.Node, ptr %a108
-  call void @finch.gen.fail(ptr %t159, %S.ast.Node %t160, { ptr, i64, i64 } { ptr @.str.4833, i64 63, i64 0 })
-  br label %endif7386
-endif7386:
-  %t161 = load ptr, ptr %a1
-  %t162 = load %S.ast.Node, ptr %a108
-  %t163 = call %S.gen.Place @finch.gen.place(ptr %t161, %S.ast.Node %t162, i1 true)
-  store %S.gen.Place %t163, ptr %a164
-  %t165 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 0
-  %t166 = load { ptr, i64, i64 }, ptr %t165
-  store { ptr, i64, i64 } %t166, ptr %a167
-  call void @finch_str_copy(ptr %a168, ptr %a167)
-  %t169 = load { ptr, i64, i64 }, ptr %a168
-  %t170 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t169, 0
-  %t171 = getelementptr inbounds %S.gen.Place, ptr %a164, i32 0, i32 1
-  %t172 = load %S.ast.Type, ptr %t171
-  %t173 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t172)
-  %t174 = insertvalue %S.gen.Val %t170, %S.ast.Type %t173, 1
-  ret %S.gen.Val %t174
-endif7361:
-  %t175 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t175, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.4834, i64 3, i64 0 }, ptr %a177
-  %t178 = call i32 @finch_str_eq(ptr %a176, ptr %a177)
-  %t179 = icmp ne i32 %t178, 0
-  br i1 %t179, label %then7387, label %endif7389
-then7387:
-  %t180 = load ptr, ptr %a1
-  %t181 = load %S.ast.Node, ptr %a2
-  %t182 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t180, %S.ast.Node %t181, i64 0, i64 1, { ptr, i64, i64 } %t182)
-  %t183 = load ptr, ptr %a1
-  %t184 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t185 = load { ptr, i64, i64 }, ptr %t184
-  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
-  %t187 = icmp uge i64 0, %t186
-  br i1 %t187, label %range7390, label %inrange7391
-range7390:
-  call void @finch_panic_index(ptr @.str.4835, i64 4344, i64 0, i64 %t186)
+ok7752:
+  %t128 = getelementptr inbounds %S.gen.Gen, ptr %t126, i32 0, i32 14
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  %t130 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 1
+  %t131 = load { ptr, i64, i64 }, ptr %t130
+  %t132 = call i64 @finch.gen.findFn(ptr %t125, { ptr, i64, i64 } %t129, { ptr, i64, i64 } %t131)
+  store i64 %t132, ptr %a133
+  %t134 = load i64, ptr %a133
+  %t135 = icmp sge i64 %t134, 0
+  br i1 %t135, label %then7753, label %endif7755
+then7753:
+  %t136 = load ptr, ptr %a1
+  %t137 = load i64, ptr %a133
+  %t138 = load %S.ast.Node, ptr %a112
+  %t139 = call { ptr, i64, i64 } @finch.gen.cThunk(ptr %t136, i64 %t137, %S.ast.Node %t138)
+  %t140 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t139, 0
+  %t141 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5000, i64 3, i64 0 })
+  %t142 = insertvalue %S.gen.Val %t140, %S.ast.Type %t141, 1
+  call void @finch.drop.S_ast_Node(ptr %a112)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t142
+endif7755:
+  br label %endif7750
+endif7750:
+  %t143 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t144 = load { ptr, i64, i64 }, ptr %t143
+  store { ptr, i64, i64 } %t144, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.5001, i64 3, i64 0 }, ptr %a146
+  %t147 = call i32 @finch_str_eq(ptr %a145, ptr %a146)
+  %t148 = icmp eq i32 %t147, 0
+  br label %logic.from7756
+logic.from7756:
+  br i1 %t148, label %logic.rhs7757, label %logic.end7758
+logic.rhs7757:
+  %t149 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t150 = load { ptr, i64, i64 }, ptr %t149
+  store { ptr, i64, i64 } %t150, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.5002, i64 6, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_eq(ptr %a151, ptr %a152)
+  %t154 = icmp eq i32 %t153, 0
+  br label %logic.rend7759
+logic.rend7759:
+  br label %logic.end7758
+logic.end7758:
+  %t155 = phi i1 [ false, %logic.from7756 ], [ %t154, %logic.rend7759 ]
+  br label %logic.from7760
+logic.from7760:
+  br i1 %t155, label %logic.rhs7761, label %logic.end7762
+logic.rhs7761:
+  %t156 = getelementptr inbounds %S.ast.Node, ptr %a112, i32 0, i32 0
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.5003, i64 5, i64 0 }, ptr %a159
+  %t160 = call i32 @finch_str_eq(ptr %a158, ptr %a159)
+  %t161 = icmp eq i32 %t160, 0
+  br label %logic.rend7763
+logic.rend7763:
+  br label %logic.end7762
+logic.end7762:
+  %t162 = phi i1 [ false, %logic.from7760 ], [ %t161, %logic.rend7763 ]
+  br i1 %t162, label %then7764, label %endif7766
+then7764:
+  %t163 = load ptr, ptr %a1
+  %t164 = load %S.ast.Node, ptr %a112
+  call void @finch.gen.fail(ptr %t163, %S.ast.Node %t164, { ptr, i64, i64 } { ptr @.str.5004, i64 63, i64 0 })
+  br label %endif7766
+endif7766:
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.ast.Node, ptr %a112
+  %t167 = call %S.gen.Place @finch.gen.place(ptr %t165, %S.ast.Node %t166, i1 true)
+  store %S.gen.Place %t167, ptr %a168
+  %t169 = getelementptr inbounds %S.gen.Place, ptr %a168, i32 0, i32 0
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a171
+  call void @finch_str_copy(ptr %a172, ptr %a171)
+  %t173 = load { ptr, i64, i64 }, ptr %a172
+  %t174 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t173, 0
+  %t175 = getelementptr inbounds %S.gen.Place, ptr %a168, i32 0, i32 1
+  %t176 = load %S.ast.Type, ptr %t175
+  %t177 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t176)
+  %t178 = insertvalue %S.gen.Val %t174, %S.ast.Type %t177, 1
+  call void @finch.drop.S_gen_Place(ptr %a168)
+  call void @finch.drop.S_ast_Node(ptr %a112)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t178
+endif7741:
+  %t179 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t179, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5005, i64 3, i64 0 }, ptr %a181
+  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
+  %t183 = icmp ne i32 %t182, 0
+  br i1 %t183, label %then7767, label %endif7769
+then7767:
+  %t184 = load ptr, ptr %a1
+  %t185 = load %S.ast.Node, ptr %a2
+  %t186 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t184, %S.ast.Node %t185, i64 0, i64 1, { ptr, i64, i64 } %t186)
+  %t187 = load ptr, ptr %a1
+  %t188 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  %t190 = extractvalue { ptr, i64, i64 } %t189, 1
+  %t191 = icmp uge i64 0, %t190
+  br i1 %t191, label %range7770, label %inrange7771
+range7770:
+  call void @finch_panic_index(ptr @.str.5006, i64 4649, i64 0, i64 %t190)
   unreachable
-inrange7391:
-  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
-  %t189 = getelementptr inbounds %S.ast.Node, ptr %t188, i64 0
-  %t190 = load %S.ast.Node, ptr %t189
-  %t191 = call %S.gen.Val @finch.gen.expr(ptr %t183, %S.ast.Node %t190)
-  store %S.gen.Val %t191, ptr %a192
-  %t193 = load ptr, ptr %a1
-  %t194 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t193)
-  store { ptr, i64, i64 } %t194, ptr %a195
-  %t196 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t197 = getelementptr inbounds %S.ast.Type, ptr %t196, i32 0, i32 0
-  %t198 = load { ptr, i64, i64 }, ptr %t197
+inrange7771:
+  %t192 = extractvalue { ptr, i64, i64 } %t189, 0
+  %t193 = getelementptr inbounds %S.ast.Node, ptr %t192, i64 0
+  %t194 = load %S.ast.Node, ptr %t193
+  %t195 = call %S.gen.Val @finch.gen.expr(ptr %t187, %S.ast.Node %t194)
+  store %S.gen.Val %t195, ptr %a196
+  %t197 = load ptr, ptr %a1
+  %t198 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t197)
   store { ptr, i64, i64 } %t198, ptr %a199
-  call void @finch_str_copy(ptr %a200, ptr %a199)
-  %t201 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t201, ptr %a202
-  %t203 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t203, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.4836, i64 3, i64 0 }, ptr %a205
-  %t206 = call i32 @finch_str_eq(ptr %a204, ptr %a205)
-  %t207 = icmp ne i32 %t206, 0
-  br i1 %t207, label %then7392, label %else7393
-then7392:
-  %t208 = load ptr, ptr %a1
-  %t209 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  %t211 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t212 = load %S.ast.Type, ptr %t211
-  %t213 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t208, { ptr, i64, i64 } %t210, %S.ast.Type %t212)
-  %t214 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t213, 0
-  %t215 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t216 = load %S.ast.Type, ptr %t215
-  store %S.ast.Type %t216, ptr %a217
-  call void @finch.copy.S_ast_Type(ptr %a218, ptr %a217)
-  %t219 = load %S.ast.Type, ptr %a218
-  %t220 = insertvalue %S.gen.Val %t214, %S.ast.Type %t219, 1
-  %t221 = insertvalue %S.gen.Val %t220, i1 true, 2
-  ret %S.gen.Val %t221
-else7393:
-  %t222 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t223 = load %S.ast.Type, ptr %t222
-  %t224 = call i1 @finch.gen.isSigned(%S.ast.Type %t223)
-  br i1 %t224, label %then7395, label %else7396
-then7395:
-  %t225 = load ptr, ptr %a1
-  %t226 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4837, i64 34, i64 0 }, ptr %a228
-  store { ptr, i64, i64 } %t226, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  store { ptr, i64, i64 } %t230, ptr %a232
-  store { ptr, i64, i64 } { ptr @.str.4838, i64 6, i64 0 }, ptr %a233
-  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
-  %t234 = load { ptr, i64, i64 }, ptr %a231
-  %t235 = load ptr, ptr %a1
-  %t236 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t237 = load { ptr, i64, i64 }, ptr %t236
-  %t238 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t239 = load %S.ast.Type, ptr %t238
-  %t240 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4839, i64 3, i64 0 })
-  %t241 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t235, { ptr, i64, i64 } %t237, %S.ast.Type %t239, %S.ast.Type %t240)
-  store { ptr, i64, i64 } %t234, ptr %a243
-  store { ptr, i64, i64 } %t241, ptr %a244
-  call void @finch_str_concat(ptr %a242, ptr %a243, ptr %a244)
-  %t245 = load { ptr, i64, i64 }, ptr %a242
-  store { ptr, i64, i64 } %t245, ptr %a247
-  store { ptr, i64, i64 } { ptr @.str.4840, i64 1, i64 0 }, ptr %a248
+  %t200 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t201 = getelementptr inbounds %S.ast.Type, ptr %t200, i32 0, i32 0
+  %t202 = load { ptr, i64, i64 }, ptr %t201
+  store { ptr, i64, i64 } %t202, ptr %a203
+  call void @finch_str_copy(ptr %a204, ptr %a203)
+  %t205 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t205, ptr %a206
+  store i1 false, ptr %a207
+  %t208 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t208, ptr %a209
+  store { ptr, i64, i64 } { ptr @.str.5007, i64 3, i64 0 }, ptr %a210
+  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
+  %t212 = icmp ne i32 %t211, 0
+  br i1 %t212, label %then7772, label %else7773
+then7772:
+  %t213 = load ptr, ptr %a1
+  %t214 = load %S.gen.Val, ptr %a196
+  %t215 = call { ptr, i64, i64 } @finch.gen.own(ptr %t213, %S.gen.Val %t214)
+  %t216 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t215, 0
+  %t217 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t218 = load %S.ast.Type, ptr %t217
+  store %S.ast.Type %t218, ptr %a219
+  call void @finch.copy.S_ast_Type(ptr %a220, ptr %a219)
+  %t221 = load %S.ast.Type, ptr %a220
+  %t222 = insertvalue %S.gen.Val %t216, %S.ast.Type %t221, 1
+  %t223 = insertvalue %S.gen.Val %t222, i1 true, 2
+  call void @finch_str_drop(ptr %a206)
+  call void @finch_str_drop(ptr %a199)
+  call void @finch.drop.S_gen_Val(ptr %a196)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t223
+else7773:
+  %t224 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t225 = load %S.ast.Type, ptr %t224
+  %t226 = call i1 @finch.gen.isSigned(%S.ast.Type %t225)
+  br i1 %t226, label %then7775, label %else7776
+then7775:
+  %t227 = load ptr, ptr %a1
+  %t228 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5008, i64 34, i64 0 }, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  %t232 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t232, ptr %a234
+  store { ptr, i64, i64 } { ptr @.str.5009, i64 6, i64 0 }, ptr %a235
+  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
+  store { ptr, i64, i64 } %t232, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a233
+  %t238 = load ptr, ptr %a1
+  %t239 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t240 = load { ptr, i64, i64 }, ptr %t239
+  %t241 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t242 = load %S.ast.Type, ptr %t241
+  %t243 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5010, i64 3, i64 0 })
+  %t244 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t238, { ptr, i64, i64 } %t240, %S.ast.Type %t242, %S.ast.Type %t243)
+  store %S.ast.Type %t243, ptr %a245
+  call void @finch.drop.S_ast_Type(ptr %a245)
+  store { ptr, i64, i64 } %t237, ptr %a247
+  store { ptr, i64, i64 } %t244, ptr %a248
   call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
-  %t249 = load { ptr, i64, i64 }, ptr %a246
-  call void @finch.gen.emit(ptr %t225, { ptr, i64, i64 } %t249)
-  br label %endif7397
-else7396:
-  %t250 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t251 = load %S.ast.Type, ptr %t250
-  %t252 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t251)
-  br i1 %t252, label %then7398, label %else7399
-then7398:
-  %t253 = load ptr, ptr %a1
-  %t254 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4841, i64 35, i64 0 }, ptr %a256
-  store { ptr, i64, i64 } %t254, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  store { ptr, i64, i64 } %t258, ptr %a260
-  store { ptr, i64, i64 } { ptr @.str.4842, i64 6, i64 0 }, ptr %a261
-  call void @finch_str_concat(ptr %a259, ptr %a260, ptr %a261)
-  %t262 = load { ptr, i64, i64 }, ptr %a259
-  %t263 = load ptr, ptr %a1
-  %t264 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t265 = load { ptr, i64, i64 }, ptr %t264
-  %t266 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t267 = load %S.ast.Type, ptr %t266
-  %t268 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4843, i64 3, i64 0 })
-  %t269 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t263, { ptr, i64, i64 } %t265, %S.ast.Type %t267, %S.ast.Type %t268)
-  store { ptr, i64, i64 } %t262, ptr %a271
-  store { ptr, i64, i64 } %t269, ptr %a272
-  call void @finch_str_concat(ptr %a270, ptr %a271, ptr %a272)
-  %t273 = load { ptr, i64, i64 }, ptr %a270
-  store { ptr, i64, i64 } %t273, ptr %a275
-  store { ptr, i64, i64 } { ptr @.str.4844, i64 1, i64 0 }, ptr %a276
-  call void @finch_str_concat(ptr %a274, ptr %a275, ptr %a276)
-  %t277 = load { ptr, i64, i64 }, ptr %a274
-  call void @finch.gen.emit(ptr %t253, { ptr, i64, i64 } %t277)
-  br label %endif7400
-else7399:
-  %t278 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t279 = load %S.ast.Type, ptr %t278
-  %t280 = call i1 @finch.gen.isFloat(%S.ast.Type %t279)
-  br i1 %t280, label %then7401, label %else7402
-then7401:
-  %t281 = load ptr, ptr %a1
-  %t282 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4845, i64 36, i64 0 }, ptr %a284
-  store { ptr, i64, i64 } %t282, ptr %a285
-  call void @finch_str_concat(ptr %a283, ptr %a284, ptr %a285)
-  %t286 = load { ptr, i64, i64 }, ptr %a283
-  store { ptr, i64, i64 } %t286, ptr %a288
-  store { ptr, i64, i64 } { ptr @.str.4846, i64 9, i64 0 }, ptr %a289
-  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
-  %t290 = load { ptr, i64, i64 }, ptr %a287
-  %t291 = load ptr, ptr %a1
-  %t292 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t293 = load { ptr, i64, i64 }, ptr %t292
-  %t294 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t295 = load %S.ast.Type, ptr %t294
-  %t296 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4847, i64 5, i64 0 })
-  %t297 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t291, { ptr, i64, i64 } %t293, %S.ast.Type %t295, %S.ast.Type %t296)
-  store { ptr, i64, i64 } %t290, ptr %a299
-  store { ptr, i64, i64 } %t297, ptr %a300
-  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
-  %t301 = load { ptr, i64, i64 }, ptr %a298
-  store { ptr, i64, i64 } %t301, ptr %a303
-  store { ptr, i64, i64 } { ptr @.str.4848, i64 1, i64 0 }, ptr %a304
-  call void @finch_str_concat(ptr %a302, ptr %a303, ptr %a304)
-  %t305 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.emit(ptr %t281, { ptr, i64, i64 } %t305)
-  br label %endif7403
-else7402:
-  %t306 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t306, ptr %a307
-  store { ptr, i64, i64 } { ptr @.str.4849, i64 4, i64 0 }, ptr %a308
-  %t309 = call i32 @finch_str_eq(ptr %a307, ptr %a308)
-  %t310 = icmp ne i32 %t309, 0
-  br i1 %t310, label %then7404, label %else7405
-then7404:
-  %t311 = load ptr, ptr %a1
-  %t312 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4850, i64 35, i64 0 }, ptr %a314
-  store { ptr, i64, i64 } %t312, ptr %a315
-  call void @finch_str_concat(ptr %a313, ptr %a314, ptr %a315)
-  %t316 = load { ptr, i64, i64 }, ptr %a313
-  store { ptr, i64, i64 } %t316, ptr %a318
-  store { ptr, i64, i64 } { ptr @.str.4851, i64 13, i64 0 }, ptr %a319
-  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
-  %t320 = load { ptr, i64, i64 }, ptr %a317
-  %t321 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t322 = load { ptr, i64, i64 }, ptr %t321
-  store { ptr, i64, i64 } %t320, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.4852, i64 1, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  call void @finch.gen.emit(ptr %t311, { ptr, i64, i64 } %t330)
-  br label %endif7406
-else7405:
-  %t331 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t331, ptr %a332
-  store { ptr, i64, i64 } { ptr @.str.4853, i64 4, i64 0 }, ptr %a333
-  %t334 = call i32 @finch_str_eq(ptr %a332, ptr %a333)
-  %t335 = icmp ne i32 %t334, 0
-  br i1 %t335, label %then7407, label %else7408
-then7407:
-  %t336 = load ptr, ptr %a1
-  %t337 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t338 = load { ptr, i64, i64 }, ptr %t337
-  store { ptr, i64, i64 } { ptr @.str.4854, i64 8, i64 0 }, ptr %a340
-  store { ptr, i64, i64 } %t338, ptr %a341
-  call void @finch_str_concat(ptr %a339, ptr %a340, ptr %a341)
-  %t342 = load { ptr, i64, i64 }, ptr %a339
-  store { ptr, i64, i64 } %t342, ptr %a344
-  store { ptr, i64, i64 } { ptr @.str.4855, i64 7, i64 0 }, ptr %a345
-  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
-  %t346 = load { ptr, i64, i64 }, ptr %a343
-  %t347 = call { ptr, i64, i64 } @finch.gen.op(ptr %t336, { ptr, i64, i64 } %t346)
-  store { ptr, i64, i64 } %t347, ptr %a348
-  %t349 = load ptr, ptr %a1
-  %t350 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4856, i64 35, i64 0 }, ptr %a352
-  store { ptr, i64, i64 } %t350, ptr %a353
-  call void @finch_str_concat(ptr %a351, ptr %a352, ptr %a353)
-  %t354 = load { ptr, i64, i64 }, ptr %a351
-  store { ptr, i64, i64 } %t354, ptr %a356
-  store { ptr, i64, i64 } { ptr @.str.4857, i64 6, i64 0 }, ptr %a357
-  call void @finch_str_concat(ptr %a355, ptr %a356, ptr %a357)
-  %t358 = load { ptr, i64, i64 }, ptr %a355
-  %t359 = load { ptr, i64, i64 }, ptr %a348
-  store { ptr, i64, i64 } %t358, ptr %a361
-  store { ptr, i64, i64 } %t359, ptr %a362
-  call void @finch_str_concat(ptr %a360, ptr %a361, ptr %a362)
-  %t363 = load { ptr, i64, i64 }, ptr %a360
-  store { ptr, i64, i64 } %t363, ptr %a365
-  store { ptr, i64, i64 } { ptr @.str.4858, i64 1, i64 0 }, ptr %a366
-  call void @finch_str_concat(ptr %a364, ptr %a365, ptr %a366)
-  %t367 = load { ptr, i64, i64 }, ptr %a364
-  call void @finch.gen.emit(ptr %t349, { ptr, i64, i64 } %t367)
-  br label %endif7409
-else7408:
-  %t368 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t368, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.4859, i64 3, i64 0 }, ptr %a370
-  %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
-  %t372 = icmp ne i32 %t371, 0
-  br i1 %t372, label %then7410, label %else7411
-then7410:
-  %t373 = load ptr, ptr %a1
-  %t374 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.gen.store(ptr %t373, { ptr, i64, i64 } { ptr @.str.4860, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4861, i64 15, i64 0 }, { ptr, i64, i64 } %t374)
+  store { ptr, i64, i64 } %t237, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  store { ptr, i64, i64 } %t244, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.5011, i64 1, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  call void @finch.gen.emit(ptr %t227, { ptr, i64, i64 } %t256)
+  store { ptr, i64, i64 } %t256, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  br label %endif7777
+else7776:
+  %t258 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t259 = load %S.ast.Type, ptr %t258
+  %t260 = call i1 @finch.gen.isUnsigned(%S.ast.Type %t259)
+  br i1 %t260, label %then7778, label %else7779
+then7778:
+  %t261 = load ptr, ptr %a1
+  %t262 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5012, i64 35, i64 0 }, ptr %a264
+  store { ptr, i64, i64 } %t262, ptr %a265
+  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
+  %t266 = load { ptr, i64, i64 }, ptr %a263
+  store { ptr, i64, i64 } %t266, ptr %a268
+  store { ptr, i64, i64 } { ptr @.str.5013, i64 6, i64 0 }, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t266, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a267
+  %t272 = load ptr, ptr %a1
+  %t273 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t274 = load { ptr, i64, i64 }, ptr %t273
+  %t275 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t276 = load %S.ast.Type, ptr %t275
+  %t277 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5014, i64 3, i64 0 })
+  %t278 = call { ptr, i64, i64 } @finch.gen.intCast(ptr %t272, { ptr, i64, i64 } %t274, %S.ast.Type %t276, %S.ast.Type %t277)
+  store %S.ast.Type %t277, ptr %a279
+  call void @finch.drop.S_ast_Type(ptr %a279)
+  store { ptr, i64, i64 } %t271, ptr %a281
+  store { ptr, i64, i64 } %t278, ptr %a282
+  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
+  store { ptr, i64, i64 } %t271, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  store { ptr, i64, i64 } %t278, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  %t285 = load { ptr, i64, i64 }, ptr %a280
+  store { ptr, i64, i64 } %t285, ptr %a287
+  store { ptr, i64, i64 } { ptr @.str.5015, i64 1, i64 0 }, ptr %a288
+  call void @finch_str_concat(ptr %a286, ptr %a287, ptr %a288)
+  store { ptr, i64, i64 } %t285, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a286
+  call void @finch.gen.emit(ptr %t261, { ptr, i64, i64 } %t290)
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_drop(ptr %a291)
+  br label %endif7780
+else7779:
+  %t292 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t293 = load %S.ast.Type, ptr %t292
+  %t294 = call i1 @finch.gen.isFloat(%S.ast.Type %t293)
+  br i1 %t294, label %then7781, label %else7782
+then7781:
+  %t295 = load ptr, ptr %a1
+  %t296 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5016, i64 36, i64 0 }, ptr %a298
+  store { ptr, i64, i64 } %t296, ptr %a299
+  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } %t300, ptr %a302
+  store { ptr, i64, i64 } { ptr @.str.5017, i64 9, i64 0 }, ptr %a303
+  call void @finch_str_concat(ptr %a301, ptr %a302, ptr %a303)
+  store { ptr, i64, i64 } %t300, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  %t305 = load { ptr, i64, i64 }, ptr %a301
+  %t306 = load ptr, ptr %a1
+  %t307 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t308 = load { ptr, i64, i64 }, ptr %t307
+  %t309 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t310 = load %S.ast.Type, ptr %t309
+  %t311 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5018, i64 5, i64 0 })
+  %t312 = call { ptr, i64, i64 } @finch.gen.floatCast(ptr %t306, { ptr, i64, i64 } %t308, %S.ast.Type %t310, %S.ast.Type %t311)
+  store %S.ast.Type %t311, ptr %a313
+  call void @finch.drop.S_ast_Type(ptr %a313)
+  store { ptr, i64, i64 } %t305, ptr %a315
+  store { ptr, i64, i64 } %t312, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t305, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  store { ptr, i64, i64 } %t312, ptr %a318
+  call void @finch_str_drop(ptr %a318)
+  %t319 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t319, ptr %a321
+  store { ptr, i64, i64 } { ptr @.str.5019, i64 1, i64 0 }, ptr %a322
+  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+  store { ptr, i64, i64 } %t319, ptr %a323
+  call void @finch_str_drop(ptr %a323)
+  %t324 = load { ptr, i64, i64 }, ptr %a320
+  call void @finch.gen.emit(ptr %t295, { ptr, i64, i64 } %t324)
+  store { ptr, i64, i64 } %t324, ptr %a325
+  call void @finch_str_drop(ptr %a325)
+  br label %endif7783
+else7782:
+  %t326 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t326, ptr %a327
+  store { ptr, i64, i64 } { ptr @.str.5020, i64 4, i64 0 }, ptr %a328
+  %t329 = call i32 @finch_str_eq(ptr %a327, ptr %a328)
+  %t330 = icmp ne i32 %t329, 0
+  br i1 %t330, label %then7784, label %else7785
+then7784:
+  %t331 = load ptr, ptr %a1
+  %t332 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5021, i64 35, i64 0 }, ptr %a334
+  store { ptr, i64, i64 } %t332, ptr %a335
+  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
+  %t336 = load { ptr, i64, i64 }, ptr %a333
+  store { ptr, i64, i64 } %t336, ptr %a338
+  store { ptr, i64, i64 } { ptr @.str.5022, i64 13, i64 0 }, ptr %a339
+  call void @finch_str_concat(ptr %a337, ptr %a338, ptr %a339)
+  store { ptr, i64, i64 } %t336, ptr %a340
+  call void @finch_str_drop(ptr %a340)
+  %t341 = load { ptr, i64, i64 }, ptr %a337
+  %t342 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t343 = load { ptr, i64, i64 }, ptr %t342
+  store { ptr, i64, i64 } %t341, ptr %a345
+  store { ptr, i64, i64 } %t343, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t341, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a344
+  store { ptr, i64, i64 } %t348, ptr %a350
+  store { ptr, i64, i64 } { ptr @.str.5023, i64 1, i64 0 }, ptr %a351
+  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
+  store { ptr, i64, i64 } %t348, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a349
+  call void @finch.gen.emit(ptr %t331, { ptr, i64, i64 } %t353)
+  store { ptr, i64, i64 } %t353, ptr %a354
+  call void @finch_str_drop(ptr %a354)
+  br label %endif7786
+else7785:
+  %t355 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t355, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5024, i64 4, i64 0 }, ptr %a357
+  %t358 = call i32 @finch_str_eq(ptr %a356, ptr %a357)
+  %t359 = icmp ne i32 %t358, 0
+  br i1 %t359, label %then7787, label %else7788
+then7787:
+  %t360 = load ptr, ptr %a1
+  %t361 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t362 = load { ptr, i64, i64 }, ptr %t361
+  store { ptr, i64, i64 } { ptr @.str.5025, i64 8, i64 0 }, ptr %a364
+  store { ptr, i64, i64 } %t362, ptr %a365
+  call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
+  %t366 = load { ptr, i64, i64 }, ptr %a363
+  store { ptr, i64, i64 } %t366, ptr %a368
+  store { ptr, i64, i64 } { ptr @.str.5026, i64 7, i64 0 }, ptr %a369
+  call void @finch_str_concat(ptr %a367, ptr %a368, ptr %a369)
+  store { ptr, i64, i64 } %t366, ptr %a370
+  call void @finch_str_drop(ptr %a370)
+  %t371 = load { ptr, i64, i64 }, ptr %a367
+  %t372 = call { ptr, i64, i64 } @finch.gen.op(ptr %t360, { ptr, i64, i64 } %t371)
+  store { ptr, i64, i64 } %t371, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  store { ptr, i64, i64 } %t372, ptr %a374
   %t375 = load ptr, ptr %a1
-  %t376 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4862, i64 32, i64 0 }, ptr %a378
+  %t376 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5027, i64 35, i64 0 }, ptr %a378
   store { ptr, i64, i64 } %t376, ptr %a379
   call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
   %t380 = load { ptr, i64, i64 }, ptr %a377
   store { ptr, i64, i64 } %t380, ptr %a382
-  store { ptr, i64, i64 } { ptr @.str.4863, i64 6, i64 0 }, ptr %a383
+  store { ptr, i64, i64 } { ptr @.str.5028, i64 6, i64 0 }, ptr %a383
   call void @finch_str_concat(ptr %a381, ptr %a382, ptr %a383)
-  %t384 = load { ptr, i64, i64 }, ptr %a381
-  %t385 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t386 = load { ptr, i64, i64 }, ptr %t385
-  store { ptr, i64, i64 } %t384, ptr %a388
+  store { ptr, i64, i64 } %t380, ptr %a384
+  call void @finch_str_drop(ptr %a384)
+  %t385 = load { ptr, i64, i64 }, ptr %a381
+  %t386 = load { ptr, i64, i64 }, ptr %a374
+  store { ptr, i64, i64 } %t385, ptr %a388
   store { ptr, i64, i64 } %t386, ptr %a389
   call void @finch_str_concat(ptr %a387, ptr %a388, ptr %a389)
-  %t390 = load { ptr, i64, i64 }, ptr %a387
-  store { ptr, i64, i64 } %t390, ptr %a392
-  store { ptr, i64, i64 } { ptr @.str.4864, i64 1, i64 0 }, ptr %a393
-  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
-  %t394 = load { ptr, i64, i64 }, ptr %a391
-  call void @finch.gen.emit(ptr %t375, { ptr, i64, i64 } %t394)
-  br label %endif7412
-else7411:
-  %t395 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t395, ptr %a396
-  store { ptr, i64, i64 } { ptr @.str.4865, i64 5, i64 0 }, ptr %a397
-  %t398 = call i32 @finch_str_eq(ptr %a396, ptr %a397)
-  %t399 = icmp ne i32 %t398, 0
-  br label %logic.from7413
-logic.from7413:
-  br i1 %t399, label %logic.rhs7414, label %logic.end7415
-logic.rhs7414:
-  %t400 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t401 = getelementptr inbounds %S.ast.Type, ptr %t400, i32 0, i32 1
-  %t402 = load { ptr, i64, i64 }, ptr %t401
-  %t403 = extractvalue { ptr, i64, i64 } %t402, 1
-  %t404 = icmp uge i64 0, %t403
-  br i1 %t404, label %range7416, label %inrange7417
-range7416:
-  call void @finch_panic_index(ptr @.str.4866, i64 4364, i64 0, i64 %t403)
+  store { ptr, i64, i64 } %t385, ptr %a390
+  call void @finch_str_drop(ptr %a390)
+  %t391 = load { ptr, i64, i64 }, ptr %a387
+  store { ptr, i64, i64 } %t391, ptr %a393
+  store { ptr, i64, i64 } { ptr @.str.5029, i64 1, i64 0 }, ptr %a394
+  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
+  store { ptr, i64, i64 } %t391, ptr %a395
+  call void @finch_str_drop(ptr %a395)
+  %t396 = load { ptr, i64, i64 }, ptr %a392
+  call void @finch.gen.emit(ptr %t375, { ptr, i64, i64 } %t396)
+  store { ptr, i64, i64 } %t396, ptr %a397
+  call void @finch_str_drop(ptr %a397)
+  call void @finch_str_drop(ptr %a374)
+  br label %endif7789
+else7788:
+  %t398 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t398, ptr %a399
+  store { ptr, i64, i64 } { ptr @.str.5030, i64 3, i64 0 }, ptr %a400
+  %t401 = call i32 @finch_str_eq(ptr %a399, ptr %a400)
+  %t402 = icmp ne i32 %t401, 0
+  br i1 %t402, label %then7790, label %else7791
+then7790:
+  %t403 = load ptr, ptr %a1
+  %t404 = load { ptr, i64, i64 }, ptr %a199
+  call void @finch.gen.store(ptr %t403, { ptr, i64, i64 } { ptr @.str.5031, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5032, i64 15, i64 0 }, { ptr, i64, i64 } %t404)
+  %t405 = load ptr, ptr %a1
+  %t406 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5033, i64 32, i64 0 }, ptr %a408
+  store { ptr, i64, i64 } %t406, ptr %a409
+  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
+  %t410 = load { ptr, i64, i64 }, ptr %a407
+  store { ptr, i64, i64 } %t410, ptr %a412
+  store { ptr, i64, i64 } { ptr @.str.5034, i64 6, i64 0 }, ptr %a413
+  call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
+  store { ptr, i64, i64 } %t410, ptr %a414
+  call void @finch_str_drop(ptr %a414)
+  %t415 = load { ptr, i64, i64 }, ptr %a411
+  %t416 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t417 = load { ptr, i64, i64 }, ptr %t416
+  store { ptr, i64, i64 } %t415, ptr %a419
+  store { ptr, i64, i64 } %t417, ptr %a420
+  call void @finch_str_concat(ptr %a418, ptr %a419, ptr %a420)
+  store { ptr, i64, i64 } %t415, ptr %a421
+  call void @finch_str_drop(ptr %a421)
+  %t422 = load { ptr, i64, i64 }, ptr %a418
+  store { ptr, i64, i64 } %t422, ptr %a424
+  store { ptr, i64, i64 } { ptr @.str.5035, i64 1, i64 0 }, ptr %a425
+  call void @finch_str_concat(ptr %a423, ptr %a424, ptr %a425)
+  store { ptr, i64, i64 } %t422, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  %t427 = load { ptr, i64, i64 }, ptr %a423
+  call void @finch.gen.emit(ptr %t405, { ptr, i64, i64 } %t427)
+  store { ptr, i64, i64 } %t427, ptr %a428
+  call void @finch_str_drop(ptr %a428)
+  store i1 true, ptr %a207
+  br label %endif7792
+else7791:
+  %t429 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t429, ptr %a430
+  store { ptr, i64, i64 } { ptr @.str.5036, i64 5, i64 0 }, ptr %a431
+  %t432 = call i32 @finch_str_eq(ptr %a430, ptr %a431)
+  %t433 = icmp ne i32 %t432, 0
+  br label %logic.from7793
+logic.from7793:
+  br i1 %t433, label %logic.rhs7794, label %logic.end7795
+logic.rhs7794:
+  %t434 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t435 = getelementptr inbounds %S.ast.Type, ptr %t434, i32 0, i32 1
+  %t436 = load { ptr, i64, i64 }, ptr %t435
+  %t437 = extractvalue { ptr, i64, i64 } %t436, 1
+  %t438 = icmp uge i64 0, %t437
+  br i1 %t438, label %range7796, label %inrange7797
+range7796:
+  call void @finch_panic_index(ptr @.str.5037, i64 4671, i64 0, i64 %t437)
   unreachable
-inrange7417:
-  %t405 = extractvalue { ptr, i64, i64 } %t402, 0
-  %t406 = getelementptr inbounds %S.ast.Type, ptr %t405, i64 0
-  %t407 = getelementptr inbounds %S.ast.Type, ptr %t406, i32 0, i32 0
-  %t408 = load { ptr, i64, i64 }, ptr %t407
-  store { ptr, i64, i64 } %t408, ptr %a409
-  store { ptr, i64, i64 } { ptr @.str.4867, i64 2, i64 0 }, ptr %a410
-  %t411 = call i32 @finch_str_eq(ptr %a409, ptr %a410)
-  %t412 = icmp ne i32 %t411, 0
-  br label %logic.from7418
-logic.from7418:
-  br i1 %t412, label %logic.end7420, label %logic.rhs7419
-logic.rhs7419:
-  %t413 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t414 = getelementptr inbounds %S.ast.Type, ptr %t413, i32 0, i32 1
-  %t415 = load { ptr, i64, i64 }, ptr %t414
-  %t416 = extractvalue { ptr, i64, i64 } %t415, 1
-  %t417 = icmp uge i64 0, %t416
-  br i1 %t417, label %range7421, label %inrange7422
-range7421:
-  call void @finch_panic_index(ptr @.str.4868, i64 4364, i64 0, i64 %t416)
+inrange7797:
+  %t439 = extractvalue { ptr, i64, i64 } %t436, 0
+  %t440 = getelementptr inbounds %S.ast.Type, ptr %t439, i64 0
+  %t441 = getelementptr inbounds %S.ast.Type, ptr %t440, i32 0, i32 0
+  %t442 = load { ptr, i64, i64 }, ptr %t441
+  store { ptr, i64, i64 } %t442, ptr %a443
+  store { ptr, i64, i64 } { ptr @.str.5038, i64 2, i64 0 }, ptr %a444
+  %t445 = call i32 @finch_str_eq(ptr %a443, ptr %a444)
+  %t446 = icmp ne i32 %t445, 0
+  br label %logic.from7798
+logic.from7798:
+  br i1 %t446, label %logic.end7800, label %logic.rhs7799
+logic.rhs7799:
+  %t447 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t448 = getelementptr inbounds %S.ast.Type, ptr %t447, i32 0, i32 1
+  %t449 = load { ptr, i64, i64 }, ptr %t448
+  %t450 = extractvalue { ptr, i64, i64 } %t449, 1
+  %t451 = icmp uge i64 0, %t450
+  br i1 %t451, label %range7801, label %inrange7802
+range7801:
+  call void @finch_panic_index(ptr @.str.5039, i64 4671, i64 0, i64 %t450)
   unreachable
-inrange7422:
-  %t418 = extractvalue { ptr, i64, i64 } %t415, 0
-  %t419 = getelementptr inbounds %S.ast.Type, ptr %t418, i64 0
-  %t420 = getelementptr inbounds %S.ast.Type, ptr %t419, i32 0, i32 0
-  %t421 = load { ptr, i64, i64 }, ptr %t420
-  store { ptr, i64, i64 } %t421, ptr %a422
-  store { ptr, i64, i64 } { ptr @.str.4869, i64 4, i64 0 }, ptr %a423
-  %t424 = call i32 @finch_str_eq(ptr %a422, ptr %a423)
-  %t425 = icmp ne i32 %t424, 0
-  br label %logic.rend7423
-logic.rend7423:
-  br label %logic.end7420
-logic.end7420:
-  %t426 = phi i1 [ true, %logic.from7418 ], [ %t425, %logic.rend7423 ]
-  br label %logic.rend7424
-logic.rend7424:
-  br label %logic.end7415
-logic.end7415:
-  %t427 = phi i1 [ false, %logic.from7413 ], [ %t426, %logic.rend7424 ]
-  br i1 %t427, label %then7425, label %else7426
-then7425:
-  %t428 = load ptr, ptr %a1
-  %t429 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.gen.store(ptr %t428, { ptr, i64, i64 } { ptr @.str.4870, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4871, i64 15, i64 0 }, { ptr, i64, i64 } %t429)
-  %t430 = load ptr, ptr %a1
-  %t431 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.4872, i64 36, i64 0 }, ptr %a433
-  store { ptr, i64, i64 } %t431, ptr %a434
-  call void @finch_str_concat(ptr %a432, ptr %a433, ptr %a434)
-  %t435 = load { ptr, i64, i64 }, ptr %a432
-  store { ptr, i64, i64 } %t435, ptr %a437
-  store { ptr, i64, i64 } { ptr @.str.4873, i64 6, i64 0 }, ptr %a438
-  call void @finch_str_concat(ptr %a436, ptr %a437, ptr %a438)
-  %t439 = load { ptr, i64, i64 }, ptr %a436
-  %t440 = load ptr, ptr %a1
-  %t441 = load %S.gen.Val, ptr %a192
-  %t442 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t440, %S.gen.Val %t441)
-  store { ptr, i64, i64 } %t439, ptr %a444
-  store { ptr, i64, i64 } %t442, ptr %a445
-  call void @finch_str_concat(ptr %a443, ptr %a444, ptr %a445)
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  store { ptr, i64, i64 } %t446, ptr %a448
-  store { ptr, i64, i64 } { ptr @.str.4874, i64 1, i64 0 }, ptr %a449
-  call void @finch_str_concat(ptr %a447, ptr %a448, ptr %a449)
-  %t450 = load { ptr, i64, i64 }, ptr %a447
-  call void @finch.gen.emit(ptr %t430, { ptr, i64, i64 } %t450)
-  br label %endif7427
-else7426:
-  %t451 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t451, ptr %a452
-  store { ptr, i64, i64 } { ptr @.str.4875, i64 4, i64 0 }, ptr %a453
-  %t454 = call i32 @finch_str_eq(ptr %a452, ptr %a453)
-  %t455 = icmp ne i32 %t454, 0
-  br label %logic.from7428
-logic.from7428:
-  br i1 %t455, label %logic.end7430, label %logic.rhs7429
-logic.rhs7429:
-  %t456 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t456, ptr %a457
-  store { ptr, i64, i64 } { ptr @.str.4876, i64 4, i64 0 }, ptr %a458
-  %t459 = call i32 @finch_str_eq(ptr %a457, ptr %a458)
-  %t460 = icmp ne i32 %t459, 0
-  br label %logic.rend7431
-logic.rend7431:
-  br label %logic.end7430
-logic.end7430:
-  %t461 = phi i1 [ true, %logic.from7428 ], [ %t460, %logic.rend7431 ]
-  br label %logic.from7432
-logic.from7432:
-  br i1 %t461, label %logic.end7434, label %logic.rhs7433
-logic.rhs7433:
-  %t462 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t462, ptr %a463
-  store { ptr, i64, i64 } { ptr @.str.4877, i64 5, i64 0 }, ptr %a464
-  %t465 = call i32 @finch_str_eq(ptr %a463, ptr %a464)
-  %t466 = icmp ne i32 %t465, 0
-  br label %logic.rend7435
-logic.rend7435:
-  br label %logic.end7434
-logic.end7434:
-  %t467 = phi i1 [ true, %logic.from7432 ], [ %t466, %logic.rend7435 ]
-  br label %logic.from7436
-logic.from7436:
-  br i1 %t467, label %logic.end7438, label %logic.rhs7437
-logic.rhs7437:
-  %t468 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t468, ptr %a469
-  store { ptr, i64, i64 } { ptr @.str.4878, i64 3, i64 0 }, ptr %a470
-  %t471 = call i32 @finch_str_eq(ptr %a469, ptr %a470)
-  %t472 = icmp ne i32 %t471, 0
-  br label %logic.rend7439
-logic.rend7439:
-  br label %logic.end7438
-logic.end7438:
-  %t473 = phi i1 [ true, %logic.from7436 ], [ %t472, %logic.rend7439 ]
-  br label %logic.from7440
-logic.from7440:
-  br i1 %t473, label %logic.end7442, label %logic.rhs7441
-logic.rhs7441:
-  %t474 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t474, ptr %a475
-  store { ptr, i64, i64 } { ptr @.str.4879, i64 6, i64 0 }, ptr %a476
-  %t477 = call i32 @finch_str_eq(ptr %a475, ptr %a476)
-  %t478 = icmp ne i32 %t477, 0
-  br label %logic.rend7443
-logic.rend7443:
-  br label %logic.end7442
-logic.end7442:
-  %t479 = phi i1 [ true, %logic.from7440 ], [ %t478, %logic.rend7443 ]
-  br label %logic.from7444
-logic.from7444:
-  br i1 %t479, label %logic.end7446, label %logic.rhs7445
-logic.rhs7445:
-  %t480 = load { ptr, i64, i64 }, ptr %a202
-  store { ptr, i64, i64 } %t480, ptr %a481
-  store { ptr, i64, i64 } { ptr @.str.4880, i64 4, i64 0 }, ptr %a482
-  %t483 = call i32 @finch_str_eq(ptr %a481, ptr %a482)
-  %t484 = icmp ne i32 %t483, 0
-  br label %logic.rend7447
-logic.rend7447:
-  br label %logic.end7446
-logic.end7446:
-  %t485 = phi i1 [ true, %logic.from7444 ], [ %t484, %logic.rend7447 ]
-  br i1 %t485, label %then7448, label %else7449
-then7448:
-  %t486 = load ptr, ptr %a1
-  %t487 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.gen.store(ptr %t486, { ptr, i64, i64 } { ptr @.str.4881, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4882, i64 15, i64 0 }, { ptr, i64, i64 } %t487)
-  %t488 = load ptr, ptr %a1
-  %t489 = load { ptr, i64, i64 }, ptr %a195
-  %t490 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 0
-  %t491 = load { ptr, i64, i64 }, ptr %t490
-  %t492 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t493 = load %S.ast.Type, ptr %t492
-  call void @finch.gen.emitFormat(ptr %t488, { ptr, i64, i64 } %t489, { ptr, i64, i64 } %t491, %S.ast.Type %t493, i1 false)
-  br label %endif7450
-else7449:
-  %t494 = load ptr, ptr %a1
-  %t495 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t496 = load { ptr, i64, i64 }, ptr %t495
-  %t497 = extractvalue { ptr, i64, i64 } %t496, 1
-  %t498 = icmp uge i64 0, %t497
-  br i1 %t498, label %range7451, label %inrange7452
-range7451:
-  call void @finch_panic_index(ptr @.str.4883, i64 4372, i64 0, i64 %t497)
-  unreachable
-inrange7452:
-  %t499 = extractvalue { ptr, i64, i64 } %t496, 0
-  %t500 = getelementptr inbounds %S.ast.Node, ptr %t499, i64 0
-  %t501 = load %S.ast.Node, ptr %t500
-  %t502 = getelementptr inbounds %S.gen.Val, ptr %a192, i32 0, i32 1
-  %t503 = load %S.ast.Type, ptr %t502
-  %t504 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t503)
-  store { ptr, i64, i64 } { ptr @.str.4884, i64 11, i64 0 }, ptr %a506
-  store { ptr, i64, i64 } %t504, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t508, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.4885, i64 9, i64 0 }, ptr %a511
-  call void @finch_str_concat(ptr %a509, ptr %a510, ptr %a511)
-  %t512 = load { ptr, i64, i64 }, ptr %a509
-  call void @finch.gen.fail(ptr %t494, %S.ast.Node %t501, { ptr, i64, i64 } %t512)
-  br label %endif7450
-endif7450:
-  br label %endif7427
-endif7427:
-  br label %endif7412
-endif7412:
-  br label %endif7409
-endif7409:
-  br label %endif7406
-endif7406:
-  br label %endif7403
-endif7403:
-  br label %endif7400
-endif7400:
-  br label %endif7397
-endif7397:
-  br label %endif7394
-endif7394:
-  %t513 = load ptr, ptr %a1
-  %t514 = load { ptr, i64, i64 }, ptr %a195
-  %t515 = call { ptr, i64, i64 } @finch.gen.load(ptr %t513, { ptr, i64, i64 } { ptr @.str.4886, i64 17, i64 0 }, { ptr, i64, i64 } %t514)
-  %t516 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t515, 0
-  %t517 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4887, i64 3, i64 0 })
-  %t518 = insertvalue %S.gen.Val %t516, %S.ast.Type %t517, 1
-  %t519 = insertvalue %S.gen.Val %t518, i1 true, 2
-  ret %S.gen.Val %t519
-endif7389:
-  %t520 = load { ptr, i64, i64 }, ptr %a8
-  %t521 = call { ptr, i64, i64 } @finch.gen.numType({ ptr, i64, i64 } %t520)
+inrange7802:
+  %t452 = extractvalue { ptr, i64, i64 } %t449, 0
+  %t453 = getelementptr inbounds %S.ast.Type, ptr %t452, i64 0
+  %t454 = getelementptr inbounds %S.ast.Type, ptr %t453, i32 0, i32 0
+  %t455 = load { ptr, i64, i64 }, ptr %t454
+  store { ptr, i64, i64 } %t455, ptr %a456
+  store { ptr, i64, i64 } { ptr @.str.5040, i64 4, i64 0 }, ptr %a457
+  %t458 = call i32 @finch_str_eq(ptr %a456, ptr %a457)
+  %t459 = icmp ne i32 %t458, 0
+  br label %logic.rend7803
+logic.rend7803:
+  br label %logic.end7800
+logic.end7800:
+  %t460 = phi i1 [ true, %logic.from7798 ], [ %t459, %logic.rend7803 ]
+  br label %logic.rend7804
+logic.rend7804:
+  br label %logic.end7795
+logic.end7795:
+  %t461 = phi i1 [ false, %logic.from7793 ], [ %t460, %logic.rend7804 ]
+  br i1 %t461, label %then7805, label %else7806
+then7805:
+  %t462 = load ptr, ptr %a1
+  %t463 = load { ptr, i64, i64 }, ptr %a199
+  call void @finch.gen.store(ptr %t462, { ptr, i64, i64 } { ptr @.str.5041, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5042, i64 15, i64 0 }, { ptr, i64, i64 } %t463)
+  %t464 = load ptr, ptr %a1
+  %t465 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } { ptr @.str.5043, i64 36, i64 0 }, ptr %a467
+  store { ptr, i64, i64 } %t465, ptr %a468
+  call void @finch_str_concat(ptr %a466, ptr %a467, ptr %a468)
+  %t469 = load { ptr, i64, i64 }, ptr %a466
+  store { ptr, i64, i64 } %t469, ptr %a471
+  store { ptr, i64, i64 } { ptr @.str.5044, i64 6, i64 0 }, ptr %a472
+  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
+  store { ptr, i64, i64 } %t469, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a470
+  %t475 = load ptr, ptr %a1
+  %t476 = load %S.gen.Val, ptr %a196
+  %t477 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t475, %S.gen.Val %t476)
+  store { ptr, i64, i64 } %t474, ptr %a479
+  store { ptr, i64, i64 } %t477, ptr %a480
+  call void @finch_str_concat(ptr %a478, ptr %a479, ptr %a480)
+  store { ptr, i64, i64 } %t474, ptr %a481
+  call void @finch_str_drop(ptr %a481)
+  store { ptr, i64, i64 } %t477, ptr %a482
+  call void @finch_str_drop(ptr %a482)
+  %t483 = load { ptr, i64, i64 }, ptr %a478
+  store { ptr, i64, i64 } %t483, ptr %a485
+  store { ptr, i64, i64 } { ptr @.str.5045, i64 1, i64 0 }, ptr %a486
+  call void @finch_str_concat(ptr %a484, ptr %a485, ptr %a486)
+  store { ptr, i64, i64 } %t483, ptr %a487
+  call void @finch_str_drop(ptr %a487)
+  %t488 = load { ptr, i64, i64 }, ptr %a484
+  call void @finch.gen.emit(ptr %t464, { ptr, i64, i64 } %t488)
+  store { ptr, i64, i64 } %t488, ptr %a489
+  call void @finch_str_drop(ptr %a489)
+  %t490 = load ptr, ptr %a1
+  %t491 = load %S.gen.Val, ptr %a196
+  call void @finch.gen.release(ptr %t490, %S.gen.Val %t491)
+  br label %endif7807
+else7806:
+  %t492 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t492, ptr %a493
+  store { ptr, i64, i64 } { ptr @.str.5046, i64 4, i64 0 }, ptr %a494
+  %t495 = call i32 @finch_str_eq(ptr %a493, ptr %a494)
+  %t496 = icmp ne i32 %t495, 0
+  br label %logic.from7808
+logic.from7808:
+  br i1 %t496, label %logic.end7810, label %logic.rhs7809
+logic.rhs7809:
+  %t497 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t497, ptr %a498
+  store { ptr, i64, i64 } { ptr @.str.5047, i64 4, i64 0 }, ptr %a499
+  %t500 = call i32 @finch_str_eq(ptr %a498, ptr %a499)
+  %t501 = icmp ne i32 %t500, 0
+  br label %logic.rend7811
+logic.rend7811:
+  br label %logic.end7810
+logic.end7810:
+  %t502 = phi i1 [ true, %logic.from7808 ], [ %t501, %logic.rend7811 ]
+  br label %logic.from7812
+logic.from7812:
+  br i1 %t502, label %logic.end7814, label %logic.rhs7813
+logic.rhs7813:
+  %t503 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t503, ptr %a504
+  store { ptr, i64, i64 } { ptr @.str.5048, i64 5, i64 0 }, ptr %a505
+  %t506 = call i32 @finch_str_eq(ptr %a504, ptr %a505)
+  %t507 = icmp ne i32 %t506, 0
+  br label %logic.rend7815
+logic.rend7815:
+  br label %logic.end7814
+logic.end7814:
+  %t508 = phi i1 [ true, %logic.from7812 ], [ %t507, %logic.rend7815 ]
+  br label %logic.from7816
+logic.from7816:
+  br i1 %t508, label %logic.end7818, label %logic.rhs7817
+logic.rhs7817:
+  %t509 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t509, ptr %a510
+  store { ptr, i64, i64 } { ptr @.str.5049, i64 3, i64 0 }, ptr %a511
+  %t512 = call i32 @finch_str_eq(ptr %a510, ptr %a511)
+  %t513 = icmp ne i32 %t512, 0
+  br label %logic.rend7819
+logic.rend7819:
+  br label %logic.end7818
+logic.end7818:
+  %t514 = phi i1 [ true, %logic.from7816 ], [ %t513, %logic.rend7819 ]
+  br label %logic.from7820
+logic.from7820:
+  br i1 %t514, label %logic.end7822, label %logic.rhs7821
+logic.rhs7821:
+  %t515 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t515, ptr %a516
+  store { ptr, i64, i64 } { ptr @.str.5050, i64 6, i64 0 }, ptr %a517
+  %t518 = call i32 @finch_str_eq(ptr %a516, ptr %a517)
+  %t519 = icmp ne i32 %t518, 0
+  br label %logic.rend7823
+logic.rend7823:
+  br label %logic.end7822
+logic.end7822:
+  %t520 = phi i1 [ true, %logic.from7820 ], [ %t519, %logic.rend7823 ]
+  br label %logic.from7824
+logic.from7824:
+  br i1 %t520, label %logic.end7826, label %logic.rhs7825
+logic.rhs7825:
+  %t521 = load { ptr, i64, i64 }, ptr %a206
   store { ptr, i64, i64 } %t521, ptr %a522
-  %t523 = getelementptr inbounds { ptr, i64, i64 }, ptr %a522, i32 0, i32 1
-  %t524 = load i64, ptr %t523
-  %t525 = icmp sgt i64 %t524, 0
-  br i1 %t525, label %then7453, label %endif7455
-then7453:
-  %t526 = load ptr, ptr %a1
-  %t527 = load %S.ast.Node, ptr %a2
-  %t528 = load { ptr, i64, i64 }, ptr %a522
-  %t529 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } %t528)
-  %t530 = call %S.gen.Val @finch.gen.convert(ptr %t526, %S.ast.Node %t527, %S.ast.Type %t529)
-  ret %S.gen.Val %t530
-endif7455:
-  %t531 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t531, ptr %a532
-  store { ptr, i64, i64 } { ptr @.str.4888, i64 9, i64 0 }, ptr %a533
-  %t534 = call i32 @finch_str_eq(ptr %a532, ptr %a533)
-  %t535 = icmp ne i32 %t534, 0
-  br label %logic.from7456
-logic.from7456:
-  br i1 %t535, label %logic.end7458, label %logic.rhs7457
-logic.rhs7457:
-  %t536 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t536, ptr %a537
-  store { ptr, i64, i64 } { ptr @.str.4889, i64 11, i64 0 }, ptr %a538
-  %t539 = call i32 @finch_str_eq(ptr %a537, ptr %a538)
-  %t540 = icmp ne i32 %t539, 0
-  br label %logic.rend7459
-logic.rend7459:
-  br label %logic.end7458
-logic.end7458:
-  %t541 = phi i1 [ true, %logic.from7456 ], [ %t540, %logic.rend7459 ]
-  br i1 %t541, label %then7460, label %endif7462
-then7460:
-  %t542 = load ptr, ptr %a1
-  %t543 = load %S.ast.Node, ptr %a2
-  %t544 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t542, %S.ast.Node %t543, i64 0, i64 1, { ptr, i64, i64 } %t544)
-  %t545 = load ptr, ptr %a1
-  %t546 = load ptr, ptr %a1
-  %t547 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t548 = load { ptr, i64, i64 }, ptr %t547
-  %t549 = extractvalue { ptr, i64, i64 } %t548, 1
-  %t550 = icmp uge i64 0, %t549
-  br i1 %t550, label %range7463, label %inrange7464
-range7463:
-  call void @finch_panic_index(ptr @.str.4890, i64 4382, i64 0, i64 %t549)
+  store { ptr, i64, i64 } { ptr @.str.5051, i64 4, i64 0 }, ptr %a523
+  %t524 = call i32 @finch_str_eq(ptr %a522, ptr %a523)
+  %t525 = icmp ne i32 %t524, 0
+  br label %logic.rend7827
+logic.rend7827:
+  br label %logic.end7826
+logic.end7826:
+  %t526 = phi i1 [ true, %logic.from7824 ], [ %t525, %logic.rend7827 ]
+  br i1 %t526, label %then7828, label %else7829
+then7828:
+  %t527 = load ptr, ptr %a1
+  %t528 = load { ptr, i64, i64 }, ptr %a199
+  call void @finch.gen.store(ptr %t527, { ptr, i64, i64 } { ptr @.str.5052, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5053, i64 15, i64 0 }, { ptr, i64, i64 } %t528)
+  %t529 = load ptr, ptr %a1
+  %t530 = load { ptr, i64, i64 }, ptr %a199
+  %t531 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 0
+  %t532 = load { ptr, i64, i64 }, ptr %t531
+  %t533 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t534 = load %S.ast.Type, ptr %t533
+  call void @finch.gen.emitFormat(ptr %t529, { ptr, i64, i64 } %t530, { ptr, i64, i64 } %t532, %S.ast.Type %t534, i1 false)
+  %t535 = load ptr, ptr %a1
+  %t536 = load %S.gen.Val, ptr %a196
+  call void @finch.gen.release(ptr %t535, %S.gen.Val %t536)
+  br label %endif7830
+else7829:
+  %t537 = load ptr, ptr %a1
+  %t538 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t539 = load { ptr, i64, i64 }, ptr %t538
+  %t540 = extractvalue { ptr, i64, i64 } %t539, 1
+  %t541 = icmp uge i64 0, %t540
+  br i1 %t541, label %range7831, label %inrange7832
+range7831:
+  call void @finch_panic_index(ptr @.str.5054, i64 4681, i64 0, i64 %t540)
   unreachable
-inrange7464:
-  %t551 = extractvalue { ptr, i64, i64 } %t548, 0
-  %t552 = getelementptr inbounds %S.ast.Node, ptr %t551, i64 0
-  %t553 = load %S.ast.Node, ptr %t552
-  %t554 = call %S.gen.Val @finch.gen.strArg(ptr %t546, %S.ast.Node %t553, { ptr, i64, i64 } { ptr @.str.4891, i64 13, i64 0 })
-  %t555 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t545, %S.gen.Val %t554)
-  store { ptr, i64, i64 } %t555, ptr %a556
-  %t557 = load { ptr, i64, i64 }, ptr %a8
+inrange7832:
+  %t542 = extractvalue { ptr, i64, i64 } %t539, 0
+  %t543 = getelementptr inbounds %S.ast.Node, ptr %t542, i64 0
+  %t544 = load %S.ast.Node, ptr %t543
+  %t545 = getelementptr inbounds %S.gen.Val, ptr %a196, i32 0, i32 1
+  %t546 = load %S.ast.Type, ptr %t545
+  %t547 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t546)
+  store { ptr, i64, i64 } { ptr @.str.5055, i64 11, i64 0 }, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  store { ptr, i64, i64 } %t547, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t552, ptr %a554
+  store { ptr, i64, i64 } { ptr @.str.5056, i64 9, i64 0 }, ptr %a555
+  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
+  store { ptr, i64, i64 } %t552, ptr %a556
+  call void @finch_str_drop(ptr %a556)
+  %t557 = load { ptr, i64, i64 }, ptr %a553
+  call void @finch.gen.fail(ptr %t537, %S.ast.Node %t544, { ptr, i64, i64 } %t557)
   store { ptr, i64, i64 } %t557, ptr %a558
-  store { ptr, i64, i64 } { ptr @.str.4892, i64 11, i64 0 }, ptr %a559
-  %t560 = call i32 @finch_str_eq(ptr %a558, ptr %a559)
-  %t561 = icmp ne i32 %t560, 0
-  br i1 %t561, label %then7465, label %endif7467
-then7465:
-  %t562 = load ptr, ptr %a1
-  %t563 = load { ptr, i64, i64 }, ptr %a556
-  store { ptr, i64, i64 } { ptr @.str.4893, i64 32, i64 0 }, ptr %a565
-  store { ptr, i64, i64 } %t563, ptr %a566
-  call void @finch_str_concat(ptr %a564, ptr %a565, ptr %a566)
-  %t567 = load { ptr, i64, i64 }, ptr %a564
-  store { ptr, i64, i64 } %t567, ptr %a569
-  store { ptr, i64, i64 } { ptr @.str.4894, i64 1, i64 0 }, ptr %a570
-  call void @finch_str_concat(ptr %a568, ptr %a569, ptr %a570)
-  %t571 = load { ptr, i64, i64 }, ptr %a568
-  %t572 = call { ptr, i64, i64 } @finch.gen.op(ptr %t562, { ptr, i64, i64 } %t571)
-  store { ptr, i64, i64 } %t572, ptr %a573
+  call void @finch_str_drop(ptr %a558)
+  br label %endif7830
+endif7830:
+  br label %endif7807
+endif7807:
+  br label %endif7792
+endif7792:
+  br label %endif7789
+endif7789:
+  br label %endif7786
+endif7786:
+  br label %endif7783
+endif7783:
+  br label %endif7780
+endif7780:
+  br label %endif7777
+endif7777:
+  br label %endif7774
+endif7774:
+  %t559 = load ptr, ptr %a1
+  %t560 = load { ptr, i64, i64 }, ptr %a199
+  %t561 = call { ptr, i64, i64 } @finch.gen.load(ptr %t559, { ptr, i64, i64 } { ptr @.str.5057, i64 17, i64 0 }, { ptr, i64, i64 } %t560)
+  %t562 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t561, 0
+  %t563 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5058, i64 3, i64 0 })
+  %t564 = insertvalue %S.gen.Val %t562, %S.ast.Type %t563, 1
+  %t565 = load i1, ptr %a207
+  %t566 = xor i1 %t565, true
+  %t567 = insertvalue %S.gen.Val %t564, i1 %t566, 2
+  call void @finch_str_drop(ptr %a206)
+  call void @finch_str_drop(ptr %a199)
+  call void @finch.drop.S_gen_Val(ptr %a196)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t567
+endif7769:
+  %t568 = load { ptr, i64, i64 }, ptr %a8
+  %t569 = call { ptr, i64, i64 } @finch.gen.numType({ ptr, i64, i64 } %t568)
+  store { ptr, i64, i64 } %t569, ptr %a570
+  %t571 = getelementptr inbounds { ptr, i64, i64 }, ptr %a570, i32 0, i32 1
+  %t572 = load i64, ptr %t571
+  %t573 = icmp sgt i64 %t572, 0
+  br i1 %t573, label %then7833, label %endif7835
+then7833:
   %t574 = load ptr, ptr %a1
-  %t575 = load { ptr, i64, i64 }, ptr %a573
-  store { ptr, i64, i64 } { ptr @.str.4895, i64 12, i64 0 }, ptr %a577
-  store { ptr, i64, i64 } %t575, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  store { ptr, i64, i64 } %t579, ptr %a581
-  store { ptr, i64, i64 } { ptr @.str.4896, i64 3, i64 0 }, ptr %a582
-  call void @finch_str_concat(ptr %a580, ptr %a581, ptr %a582)
-  %t583 = load { ptr, i64, i64 }, ptr %a580
-  %t584 = call { ptr, i64, i64 } @finch.gen.op(ptr %t574, { ptr, i64, i64 } %t583)
-  %t585 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t584, 0
-  %t586 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4897, i64 4, i64 0 })
-  %t587 = insertvalue %S.gen.Val %t585, %S.ast.Type %t586, 1
-  ret %S.gen.Val %t587
-endif7467:
-  %t588 = load ptr, ptr %a1
-  %t589 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t588)
-  store { ptr, i64, i64 } %t589, ptr %a590
+  %t575 = load %S.ast.Node, ptr %a2
+  %t576 = load { ptr, i64, i64 }, ptr %a570
+  %t577 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } %t576)
+  %t578 = call %S.gen.Val @finch.gen.convert(ptr %t574, %S.ast.Node %t575, %S.ast.Type %t577)
+  store %S.ast.Type %t577, ptr %a579
+  call void @finch.drop.S_ast_Type(ptr %a579)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t578
+endif7835:
+  %t580 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t580, ptr %a581
+  store { ptr, i64, i64 } { ptr @.str.5059, i64 9, i64 0 }, ptr %a582
+  %t583 = call i32 @finch_str_eq(ptr %a581, ptr %a582)
+  %t584 = icmp ne i32 %t583, 0
+  br label %logic.from7836
+logic.from7836:
+  br i1 %t584, label %logic.end7838, label %logic.rhs7837
+logic.rhs7837:
+  %t585 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t585, ptr %a586
+  store { ptr, i64, i64 } { ptr @.str.5060, i64 11, i64 0 }, ptr %a587
+  %t588 = call i32 @finch_str_eq(ptr %a586, ptr %a587)
+  %t589 = icmp ne i32 %t588, 0
+  br label %logic.rend7839
+logic.rend7839:
+  br label %logic.end7838
+logic.end7838:
+  %t590 = phi i1 [ true, %logic.from7836 ], [ %t589, %logic.rend7839 ]
+  br i1 %t590, label %then7840, label %endif7842
+then7840:
   %t591 = load ptr, ptr %a1
-  %t592 = icmp eq ptr %t591, null
-  br i1 %t592, label %panic7468, label %ok7469
-panic7468:
-  call void @finch_panic(ptr @.str.4898, i64 4388, ptr @.str.4899)
+  %t592 = load %S.ast.Node, ptr %a2
+  %t593 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t591, %S.ast.Node %t592, i64 0, i64 1, { ptr, i64, i64 } %t593)
+  %t594 = load ptr, ptr %a1
+  %t595 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t596 = load { ptr, i64, i64 }, ptr %t595
+  %t597 = extractvalue { ptr, i64, i64 } %t596, 1
+  %t598 = icmp uge i64 0, %t597
+  br i1 %t598, label %range7843, label %inrange7844
+range7843:
+  call void @finch_panic_index(ptr @.str.5061, i64 4691, i64 0, i64 %t597)
   unreachable
-ok7469:
-  %t593 = getelementptr inbounds %S.gen.Gen, ptr %t591, i32 0, i32 39
-  %t594 = load { ptr, i64, i64 }, ptr %t593
-  %t595 = load %S.ast.Node, ptr %a2
-  %t596 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t595)
-  store { ptr, i64, i64 } %t594, ptr %a597
-  store { ptr, i64, i64 } %t596, ptr %a598
-  %t599 = call i32 @finch_str_eq(ptr %a597, ptr %a598)
-  %t600 = icmp ne i32 %t599, 0
-  br i1 %t600, label %then7470, label %endif7472
-then7470:
-  %t601 = load ptr, ptr %a1
-  %t602 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t601, { ptr, i64, i64 } { ptr @.str.4900, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t602, ptr %a603
+inrange7844:
+  %t599 = extractvalue { ptr, i64, i64 } %t596, 0
+  %t600 = getelementptr inbounds %S.ast.Node, ptr %t599, i64 0
+  %t601 = load %S.ast.Node, ptr %t600
+  %t602 = call %S.gen.Val @finch.gen.strArg(ptr %t594, %S.ast.Node %t601, { ptr, i64, i64 } { ptr @.str.5062, i64 13, i64 0 })
+  store %S.gen.Val %t602, ptr %a603
   %t604 = load ptr, ptr %a1
-  %t605 = load { ptr, i64, i64 }, ptr %a590
-  call void @finch.gen.store(ptr %t604, { ptr, i64, i64 } { ptr @.str.4901, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4902, i64 15, i64 0 }, { ptr, i64, i64 } %t605)
-  %t606 = load ptr, ptr %a1
-  %t607 = load { ptr, i64, i64 }, ptr %a603
-  call void @finch.gen.store(ptr %t606, { ptr, i64, i64 } { ptr @.str.4903, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4904, i64 15, i64 0 }, { ptr, i64, i64 } %t607)
-  %t608 = load ptr, ptr %a1
-  %t609 = load { ptr, i64, i64 }, ptr %a590
-  store { ptr, i64, i64 } { ptr @.str.4905, i64 34, i64 0 }, ptr %a611
-  store { ptr, i64, i64 } %t609, ptr %a612
-  call void @finch_str_concat(ptr %a610, ptr %a611, ptr %a612)
-  %t613 = load { ptr, i64, i64 }, ptr %a610
-  store { ptr, i64, i64 } %t613, ptr %a615
-  store { ptr, i64, i64 } { ptr @.str.4906, i64 6, i64 0 }, ptr %a616
-  call void @finch_str_concat(ptr %a614, ptr %a615, ptr %a616)
-  %t617 = load { ptr, i64, i64 }, ptr %a614
-  %t618 = load { ptr, i64, i64 }, ptr %a556
-  store { ptr, i64, i64 } %t617, ptr %a620
-  store { ptr, i64, i64 } %t618, ptr %a621
+  %t605 = load %S.gen.Val, ptr %a603
+  %t606 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t604, %S.gen.Val %t605)
+  store { ptr, i64, i64 } %t606, ptr %a607
+  %t608 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t608, ptr %a609
+  store { ptr, i64, i64 } { ptr @.str.5063, i64 11, i64 0 }, ptr %a610
+  %t611 = call i32 @finch_str_eq(ptr %a609, ptr %a610)
+  %t612 = icmp ne i32 %t611, 0
+  br i1 %t612, label %then7845, label %endif7847
+then7845:
+  %t613 = load ptr, ptr %a1
+  %t614 = load { ptr, i64, i64 }, ptr %a607
+  store { ptr, i64, i64 } { ptr @.str.5064, i64 32, i64 0 }, ptr %a616
+  store { ptr, i64, i64 } %t614, ptr %a617
+  call void @finch_str_concat(ptr %a615, ptr %a616, ptr %a617)
+  %t618 = load { ptr, i64, i64 }, ptr %a615
+  store { ptr, i64, i64 } %t618, ptr %a620
+  store { ptr, i64, i64 } { ptr @.str.5065, i64 1, i64 0 }, ptr %a621
   call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
-  %t622 = load { ptr, i64, i64 }, ptr %a619
-  store { ptr, i64, i64 } %t622, ptr %a624
-  store { ptr, i64, i64 } { ptr @.str.4907, i64 6, i64 0 }, ptr %a625
-  call void @finch_str_concat(ptr %a623, ptr %a624, ptr %a625)
-  %t626 = load { ptr, i64, i64 }, ptr %a623
-  %t627 = load { ptr, i64, i64 }, ptr %a603
-  store { ptr, i64, i64 } %t626, ptr %a629
-  store { ptr, i64, i64 } %t627, ptr %a630
-  call void @finch_str_concat(ptr %a628, ptr %a629, ptr %a630)
-  %t631 = load { ptr, i64, i64 }, ptr %a628
-  store { ptr, i64, i64 } %t631, ptr %a633
-  store { ptr, i64, i64 } { ptr @.str.4908, i64 1, i64 0 }, ptr %a634
-  call void @finch_str_concat(ptr %a632, ptr %a633, ptr %a634)
-  %t635 = load { ptr, i64, i64 }, ptr %a632
-  %t636 = call { ptr, i64, i64 } @finch.gen.op(ptr %t608, { ptr, i64, i64 } %t635)
-  store { ptr, i64, i64 } %t636, ptr %a637
-  %t638 = load ptr, ptr %a1
-  %t639 = load { ptr, i64, i64 }, ptr %a637
-  store { ptr, i64, i64 } { ptr @.str.4909, i64 12, i64 0 }, ptr %a641
-  store { ptr, i64, i64 } %t639, ptr %a642
-  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
-  %t643 = load { ptr, i64, i64 }, ptr %a640
-  store { ptr, i64, i64 } %t643, ptr %a645
-  store { ptr, i64, i64 } { ptr @.str.4910, i64 3, i64 0 }, ptr %a646
-  call void @finch_str_concat(ptr %a644, ptr %a645, ptr %a646)
-  %t647 = load { ptr, i64, i64 }, ptr %a644
-  %t648 = call { ptr, i64, i64 } @finch.gen.op(ptr %t638, { ptr, i64, i64 } %t647)
-  %t649 = load ptr, ptr %a1
-  %t650 = icmp eq ptr %t649, null
-  br i1 %t650, label %panic7473, label %ok7474
-panic7473:
-  call void @finch_panic(ptr @.str.4911, i64 4393, ptr @.str.4912)
+  store { ptr, i64, i64 } %t618, ptr %a622
+  call void @finch_str_drop(ptr %a622)
+  %t623 = load { ptr, i64, i64 }, ptr %a619
+  %t624 = call { ptr, i64, i64 } @finch.gen.op(ptr %t613, { ptr, i64, i64 } %t623)
+  store { ptr, i64, i64 } %t623, ptr %a625
+  call void @finch_str_drop(ptr %a625)
+  store { ptr, i64, i64 } %t624, ptr %a626
+  %t627 = load ptr, ptr %a1
+  %t628 = load %S.gen.Val, ptr %a603
+  call void @finch.gen.release(ptr %t627, %S.gen.Val %t628)
+  %t629 = load ptr, ptr %a1
+  %t630 = load { ptr, i64, i64 }, ptr %a626
+  store { ptr, i64, i64 } { ptr @.str.5066, i64 12, i64 0 }, ptr %a632
+  store { ptr, i64, i64 } %t630, ptr %a633
+  call void @finch_str_concat(ptr %a631, ptr %a632, ptr %a633)
+  %t634 = load { ptr, i64, i64 }, ptr %a631
+  store { ptr, i64, i64 } %t634, ptr %a636
+  store { ptr, i64, i64 } { ptr @.str.5067, i64 3, i64 0 }, ptr %a637
+  call void @finch_str_concat(ptr %a635, ptr %a636, ptr %a637)
+  store { ptr, i64, i64 } %t634, ptr %a638
+  call void @finch_str_drop(ptr %a638)
+  %t639 = load { ptr, i64, i64 }, ptr %a635
+  %t640 = call { ptr, i64, i64 } @finch.gen.op(ptr %t629, { ptr, i64, i64 } %t639)
+  store { ptr, i64, i64 } %t639, ptr %a641
+  call void @finch_str_drop(ptr %a641)
+  %t642 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t640, 0
+  %t643 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5068, i64 4, i64 0 })
+  %t644 = insertvalue %S.gen.Val %t642, %S.ast.Type %t643, 1
+  call void @finch_str_drop(ptr %a626)
+  call void @finch_str_drop(ptr %a607)
+  call void @finch.drop.S_gen_Val(ptr %a603)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t644
+endif7847:
+  %t645 = load ptr, ptr %a1
+  %t646 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t645)
+  store { ptr, i64, i64 } %t646, ptr %a647
+  %t648 = load ptr, ptr %a1
+  %t649 = icmp eq ptr %t648, null
+  br i1 %t649, label %panic7848, label %ok7849
+panic7848:
+  call void @finch_panic(ptr @.str.5069, i64 4699, ptr @.str.5070)
   unreachable
-ok7474:
-  %t651 = getelementptr inbounds %S.gen.Gen, ptr %t649, i32 0, i32 40
-  store { ptr, i64, i64 } %t648, ptr %t651
-  %t652 = load ptr, ptr %a1
-  %t653 = load { ptr, i64, i64 }, ptr %a603
-  %t654 = call { ptr, i64, i64 } @finch.gen.load(ptr %t652, { ptr, i64, i64 } { ptr @.str.4913, i64 17, i64 0 }, { ptr, i64, i64 } %t653)
-  %t655 = load ptr, ptr %a1
-  %t656 = icmp eq ptr %t655, null
-  br i1 %t656, label %panic7475, label %ok7476
-panic7475:
-  call void @finch_panic(ptr @.str.4914, i64 4394, ptr @.str.4915)
-  unreachable
-ok7476:
-  %t657 = getelementptr inbounds %S.gen.Gen, ptr %t655, i32 0, i32 41
-  store { ptr, i64, i64 } %t654, ptr %t657
-  %t658 = load ptr, ptr %a1
-  %t659 = load { ptr, i64, i64 }, ptr %a590
-  %t660 = call { ptr, i64, i64 } @finch.gen.load(ptr %t658, { ptr, i64, i64 } { ptr @.str.4916, i64 17, i64 0 }, { ptr, i64, i64 } %t659)
-  %t661 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t660, 0
-  %t662 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4917, i64 3, i64 0 })
-  %t663 = insertvalue %S.gen.Val %t661, %S.ast.Type %t662, 1
-  %t664 = insertvalue %S.gen.Val %t663, i1 true, 2
-  ret %S.gen.Val %t664
-endif7472:
-  %t665 = load ptr, ptr %a1
+ok7849:
+  %t650 = getelementptr inbounds %S.gen.Gen, ptr %t648, i32 0, i32 40
+  %t651 = load { ptr, i64, i64 }, ptr %t650
+  %t652 = load %S.ast.Node, ptr %a2
+  %t653 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t652)
+  store { ptr, i64, i64 } %t651, ptr %a654
+  store { ptr, i64, i64 } %t653, ptr %a655
+  %t656 = call i32 @finch_str_eq(ptr %a654, ptr %a655)
+  %t657 = icmp ne i32 %t656, 0
+  store { ptr, i64, i64 } %t653, ptr %a658
+  call void @finch_str_drop(ptr %a658)
+  br i1 %t657, label %then7850, label %endif7852
+then7850:
+  %t659 = load ptr, ptr %a1
+  %t660 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t659, { ptr, i64, i64 } { ptr @.str.5071, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t660, ptr %a661
+  %t662 = load ptr, ptr %a1
+  %t663 = load { ptr, i64, i64 }, ptr %a647
+  call void @finch.gen.store(ptr %t662, { ptr, i64, i64 } { ptr @.str.5072, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5073, i64 15, i64 0 }, { ptr, i64, i64 } %t663)
+  %t664 = load ptr, ptr %a1
+  %t665 = load { ptr, i64, i64 }, ptr %a661
+  call void @finch.gen.store(ptr %t664, { ptr, i64, i64 } { ptr @.str.5074, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5075, i64 15, i64 0 }, { ptr, i64, i64 } %t665)
   %t666 = load ptr, ptr %a1
-  %t667 = icmp eq ptr %t666, null
-  br i1 %t667, label %panic7477, label %ok7478
-panic7477:
-  call void @finch_panic(ptr @.str.4918, i64 4397, ptr @.str.4919)
-  unreachable
-ok7478:
-  %t668 = getelementptr inbounds %S.gen.Gen, ptr %t666, i32 0, i32 1
-  %t669 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t670 = load i64, ptr %t669
-  %t671 = load { ptr, i64, i64 }, ptr %t668
-  %t672 = extractvalue { ptr, i64, i64 } %t671, 1
-  %t673 = icmp uge i64 %t670, %t672
-  br i1 %t673, label %range7479, label %inrange7480
-range7479:
-  call void @finch_panic_index(ptr @.str.4920, i64 4397, i64 %t670, i64 %t672)
-  unreachable
-inrange7480:
-  %t674 = extractvalue { ptr, i64, i64 } %t671, 0
-  %t675 = getelementptr inbounds { ptr, i64, i64 }, ptr %t674, i64 %t670
-  %t676 = load { ptr, i64, i64 }, ptr %t675
-  %t677 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t665, { ptr, i64, i64 } %t676)
-  store { ptr, i64, i64 } %t677, ptr %a678
-  %t679 = load ptr, ptr %a1
-  %t680 = load { ptr, i64, i64 }, ptr %a590
-  store { ptr, i64, i64 } { ptr @.str.4921, i64 31, i64 0 }, ptr %a682
-  store { ptr, i64, i64 } %t680, ptr %a683
-  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
-  %t684 = load { ptr, i64, i64 }, ptr %a681
-  store { ptr, i64, i64 } %t684, ptr %a686
-  store { ptr, i64, i64 } { ptr @.str.4922, i64 6, i64 0 }, ptr %a687
-  call void @finch_str_concat(ptr %a685, ptr %a686, ptr %a687)
-  %t688 = load { ptr, i64, i64 }, ptr %a685
-  %t689 = load { ptr, i64, i64 }, ptr %a556
+  %t667 = load { ptr, i64, i64 }, ptr %a647
+  store { ptr, i64, i64 } { ptr @.str.5076, i64 34, i64 0 }, ptr %a669
+  store { ptr, i64, i64 } %t667, ptr %a670
+  call void @finch_str_concat(ptr %a668, ptr %a669, ptr %a670)
+  %t671 = load { ptr, i64, i64 }, ptr %a668
+  store { ptr, i64, i64 } %t671, ptr %a673
+  store { ptr, i64, i64 } { ptr @.str.5077, i64 6, i64 0 }, ptr %a674
+  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
+  store { ptr, i64, i64 } %t671, ptr %a675
+  call void @finch_str_drop(ptr %a675)
+  %t676 = load { ptr, i64, i64 }, ptr %a672
+  %t677 = load { ptr, i64, i64 }, ptr %a607
+  store { ptr, i64, i64 } %t676, ptr %a679
+  store { ptr, i64, i64 } %t677, ptr %a680
+  call void @finch_str_concat(ptr %a678, ptr %a679, ptr %a680)
+  store { ptr, i64, i64 } %t676, ptr %a681
+  call void @finch_str_drop(ptr %a681)
+  %t682 = load { ptr, i64, i64 }, ptr %a678
+  store { ptr, i64, i64 } %t682, ptr %a684
+  store { ptr, i64, i64 } { ptr @.str.5078, i64 6, i64 0 }, ptr %a685
+  call void @finch_str_concat(ptr %a683, ptr %a684, ptr %a685)
+  store { ptr, i64, i64 } %t682, ptr %a686
+  call void @finch_str_drop(ptr %a686)
+  %t687 = load { ptr, i64, i64 }, ptr %a683
+  %t688 = load { ptr, i64, i64 }, ptr %a661
+  store { ptr, i64, i64 } %t687, ptr %a690
   store { ptr, i64, i64 } %t688, ptr %a691
-  store { ptr, i64, i64 } %t689, ptr %a692
-  call void @finch_str_concat(ptr %a690, ptr %a691, ptr %a692)
-  %t693 = load { ptr, i64, i64 }, ptr %a690
+  call void @finch_str_concat(ptr %a689, ptr %a690, ptr %a691)
+  store { ptr, i64, i64 } %t687, ptr %a692
+  call void @finch_str_drop(ptr %a692)
+  %t693 = load { ptr, i64, i64 }, ptr %a689
   store { ptr, i64, i64 } %t693, ptr %a695
-  store { ptr, i64, i64 } { ptr @.str.4923, i64 6, i64 0 }, ptr %a696
+  store { ptr, i64, i64 } { ptr @.str.5079, i64 1, i64 0 }, ptr %a696
   call void @finch_str_concat(ptr %a694, ptr %a695, ptr %a696)
-  %t697 = load { ptr, i64, i64 }, ptr %a694
-  %t698 = load { ptr, i64, i64 }, ptr %a678
-  store { ptr, i64, i64 } %t697, ptr %a700
-  store { ptr, i64, i64 } %t698, ptr %a701
-  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
-  %t702 = load { ptr, i64, i64 }, ptr %a699
-  store { ptr, i64, i64 } %t702, ptr %a704
-  store { ptr, i64, i64 } { ptr @.str.4924, i64 6, i64 0 }, ptr %a705
-  call void @finch_str_concat(ptr %a703, ptr %a704, ptr %a705)
-  %t706 = load { ptr, i64, i64 }, ptr %a703
-  %t707 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t708 = load i64, ptr %t707
-  call void @finch_str_from_int(ptr %a709, i64 %t708)
-  %t710 = load { ptr, i64, i64 }, ptr %a709
-  store { ptr, i64, i64 } %t706, ptr %a712
-  store { ptr, i64, i64 } %t710, ptr %a713
-  call void @finch_str_concat(ptr %a711, ptr %a712, ptr %a713)
-  %t714 = load { ptr, i64, i64 }, ptr %a711
-  store { ptr, i64, i64 } %t714, ptr %a716
-  store { ptr, i64, i64 } { ptr @.str.4925, i64 1, i64 0 }, ptr %a717
-  call void @finch_str_concat(ptr %a715, ptr %a716, ptr %a717)
-  %t718 = load { ptr, i64, i64 }, ptr %a715
-  call void @finch.gen.emit(ptr %t679, { ptr, i64, i64 } %t718)
-  %t719 = load ptr, ptr %a1
-  %t720 = load { ptr, i64, i64 }, ptr %a590
-  %t721 = call { ptr, i64, i64 } @finch.gen.load(ptr %t719, { ptr, i64, i64 } { ptr @.str.4926, i64 17, i64 0 }, { ptr, i64, i64 } %t720)
-  %t722 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t721, 0
-  %t723 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4927, i64 3, i64 0 })
-  %t724 = insertvalue %S.gen.Val %t722, %S.ast.Type %t723, 1
-  %t725 = insertvalue %S.gen.Val %t724, i1 true, 2
-  ret %S.gen.Val %t725
-endif7462:
-  %t726 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t693, ptr %a697
+  call void @finch_str_drop(ptr %a697)
+  %t698 = load { ptr, i64, i64 }, ptr %a694
+  %t699 = call { ptr, i64, i64 } @finch.gen.op(ptr %t666, { ptr, i64, i64 } %t698)
+  store { ptr, i64, i64 } %t698, ptr %a700
+  call void @finch_str_drop(ptr %a700)
+  store { ptr, i64, i64 } %t699, ptr %a701
+  %t702 = load ptr, ptr %a1
+  %t703 = load { ptr, i64, i64 }, ptr %a701
+  store { ptr, i64, i64 } { ptr @.str.5080, i64 12, i64 0 }, ptr %a705
+  store { ptr, i64, i64 } %t703, ptr %a706
+  call void @finch_str_concat(ptr %a704, ptr %a705, ptr %a706)
+  %t707 = load { ptr, i64, i64 }, ptr %a704
+  store { ptr, i64, i64 } %t707, ptr %a709
+  store { ptr, i64, i64 } { ptr @.str.5081, i64 3, i64 0 }, ptr %a710
+  call void @finch_str_concat(ptr %a708, ptr %a709, ptr %a710)
+  store { ptr, i64, i64 } %t707, ptr %a711
+  call void @finch_str_drop(ptr %a711)
+  %t712 = load { ptr, i64, i64 }, ptr %a708
+  %t713 = call { ptr, i64, i64 } @finch.gen.op(ptr %t702, { ptr, i64, i64 } %t712)
+  store { ptr, i64, i64 } %t712, ptr %a714
+  call void @finch_str_drop(ptr %a714)
+  %t715 = load ptr, ptr %a1
+  %t716 = icmp eq ptr %t715, null
+  br i1 %t716, label %panic7853, label %ok7854
+panic7853:
+  call void @finch_panic(ptr @.str.5082, i64 4704, ptr @.str.5083)
+  unreachable
+ok7854:
+  %t717 = getelementptr inbounds %S.gen.Gen, ptr %t715, i32 0, i32 41
+  %t718 = load { ptr, i64, i64 }, ptr %t717
+  store { ptr, i64, i64 } %t713, ptr %t717
+  store { ptr, i64, i64 } %t718, ptr %a719
+  call void @finch_str_drop(ptr %a719)
+  %t720 = load ptr, ptr %a1
+  %t721 = load { ptr, i64, i64 }, ptr %a661
+  %t722 = call { ptr, i64, i64 } @finch.gen.load(ptr %t720, { ptr, i64, i64 } { ptr @.str.5084, i64 17, i64 0 }, { ptr, i64, i64 } %t721)
+  %t723 = load ptr, ptr %a1
+  %t724 = icmp eq ptr %t723, null
+  br i1 %t724, label %panic7855, label %ok7856
+panic7855:
+  call void @finch_panic(ptr @.str.5085, i64 4705, ptr @.str.5086)
+  unreachable
+ok7856:
+  %t725 = getelementptr inbounds %S.gen.Gen, ptr %t723, i32 0, i32 42
+  %t726 = load { ptr, i64, i64 }, ptr %t725
+  store { ptr, i64, i64 } %t722, ptr %t725
   store { ptr, i64, i64 } %t726, ptr %a727
-  store { ptr, i64, i64 } { ptr @.str.4928, i64 10, i64 0 }, ptr %a728
-  %t729 = call i32 @finch_str_eq(ptr %a727, ptr %a728)
-  %t730 = icmp ne i32 %t729, 0
-  br i1 %t730, label %then7481, label %endif7483
-then7481:
-  %t731 = load ptr, ptr %a1
-  %t732 = load %S.ast.Node, ptr %a2
-  %t733 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t731, %S.ast.Node %t732, i64 0, i64 2, { ptr, i64, i64 } %t733)
-  %t734 = load ptr, ptr %a1
-  %t735 = load ptr, ptr %a1
-  %t736 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t737 = load { ptr, i64, i64 }, ptr %t736
-  %t738 = extractvalue { ptr, i64, i64 } %t737, 1
-  %t739 = icmp uge i64 0, %t738
-  br i1 %t739, label %range7484, label %inrange7485
-range7484:
-  call void @finch_panic_index(ptr @.str.4929, i64 4403, i64 0, i64 %t738)
+  call void @finch_str_drop(ptr %a727)
+  %t728 = load ptr, ptr %a1
+  %t729 = load %S.gen.Val, ptr %a603
+  call void @finch.gen.release(ptr %t728, %S.gen.Val %t729)
+  %t730 = load ptr, ptr %a1
+  %t731 = load { ptr, i64, i64 }, ptr %a647
+  %t732 = call { ptr, i64, i64 } @finch.gen.load(ptr %t730, { ptr, i64, i64 } { ptr @.str.5087, i64 17, i64 0 }, { ptr, i64, i64 } %t731)
+  %t733 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t732, 0
+  %t734 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5088, i64 3, i64 0 })
+  %t735 = insertvalue %S.gen.Val %t733, %S.ast.Type %t734, 1
+  %t736 = insertvalue %S.gen.Val %t735, i1 true, 2
+  call void @finch_str_drop(ptr %a701)
+  call void @finch_str_drop(ptr %a661)
+  call void @finch_str_drop(ptr %a647)
+  call void @finch_str_drop(ptr %a607)
+  call void @finch.drop.S_gen_Val(ptr %a603)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t736
+endif7852:
+  %t737 = load ptr, ptr %a1
+  %t738 = load ptr, ptr %a1
+  %t739 = icmp eq ptr %t738, null
+  br i1 %t739, label %panic7857, label %ok7858
+panic7857:
+  call void @finch_panic(ptr @.str.5089, i64 4709, ptr @.str.5090)
   unreachable
-inrange7485:
-  %t740 = extractvalue { ptr, i64, i64 } %t737, 0
-  %t741 = getelementptr inbounds %S.ast.Node, ptr %t740, i64 0
-  %t742 = load %S.ast.Node, ptr %t741
-  %t743 = call %S.gen.Val @finch.gen.strArg(ptr %t735, %S.ast.Node %t742, { ptr, i64, i64 } { ptr @.str.4930, i64 13, i64 0 })
-  %t744 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t734, %S.gen.Val %t743)
-  store { ptr, i64, i64 } %t744, ptr %a745
-  %t746 = load ptr, ptr %a1
-  %t747 = load ptr, ptr %a1
-  %t748 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t749 = load { ptr, i64, i64 }, ptr %t748
-  %t750 = extractvalue { ptr, i64, i64 } %t749, 1
-  %t751 = icmp uge i64 1, %t750
-  br i1 %t751, label %range7486, label %inrange7487
-range7486:
-  call void @finch_panic_index(ptr @.str.4931, i64 4404, i64 1, i64 %t750)
+ok7858:
+  %t740 = getelementptr inbounds %S.gen.Gen, ptr %t738, i32 0, i32 1
+  %t741 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t742 = load i64, ptr %t741
+  %t743 = load { ptr, i64, i64 }, ptr %t740
+  %t744 = extractvalue { ptr, i64, i64 } %t743, 1
+  %t745 = icmp uge i64 %t742, %t744
+  br i1 %t745, label %range7859, label %inrange7860
+range7859:
+  call void @finch_panic_index(ptr @.str.5091, i64 4709, i64 %t742, i64 %t744)
   unreachable
-inrange7487:
-  %t752 = extractvalue { ptr, i64, i64 } %t749, 0
-  %t753 = getelementptr inbounds %S.ast.Node, ptr %t752, i64 1
-  %t754 = load %S.ast.Node, ptr %t753
-  %t755 = call %S.gen.Val @finch.gen.strArg(ptr %t747, %S.ast.Node %t754, { ptr, i64, i64 } { ptr @.str.4932, i64 8, i64 0 })
-  %t756 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t746, %S.gen.Val %t755)
-  store { ptr, i64, i64 } %t756, ptr %a757
-  %t758 = load ptr, ptr %a1
-  %t759 = icmp eq ptr %t758, null
-  br i1 %t759, label %panic7488, label %ok7489
-panic7488:
-  call void @finch_panic(ptr @.str.4933, i64 4405, ptr @.str.4934)
-  unreachable
-ok7489:
-  %t760 = getelementptr inbounds %S.gen.Gen, ptr %t758, i32 0, i32 39
-  %t761 = load { ptr, i64, i64 }, ptr %t760
-  %t762 = load %S.ast.Node, ptr %a2
-  %t763 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t762)
+inrange7860:
+  %t746 = extractvalue { ptr, i64, i64 } %t743, 0
+  %t747 = getelementptr inbounds { ptr, i64, i64 }, ptr %t746, i64 %t742
+  %t748 = load { ptr, i64, i64 }, ptr %t747
+  %t749 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t737, { ptr, i64, i64 } %t748)
+  store { ptr, i64, i64 } %t749, ptr %a750
+  %t751 = load ptr, ptr %a1
+  %t752 = load { ptr, i64, i64 }, ptr %a647
+  store { ptr, i64, i64 } { ptr @.str.5092, i64 31, i64 0 }, ptr %a754
+  store { ptr, i64, i64 } %t752, ptr %a755
+  call void @finch_str_concat(ptr %a753, ptr %a754, ptr %a755)
+  %t756 = load { ptr, i64, i64 }, ptr %a753
+  store { ptr, i64, i64 } %t756, ptr %a758
+  store { ptr, i64, i64 } { ptr @.str.5093, i64 6, i64 0 }, ptr %a759
+  call void @finch_str_concat(ptr %a757, ptr %a758, ptr %a759)
+  store { ptr, i64, i64 } %t756, ptr %a760
+  call void @finch_str_drop(ptr %a760)
+  %t761 = load { ptr, i64, i64 }, ptr %a757
+  %t762 = load { ptr, i64, i64 }, ptr %a607
   store { ptr, i64, i64 } %t761, ptr %a764
-  store { ptr, i64, i64 } %t763, ptr %a765
-  %t766 = call i32 @finch_str_eq(ptr %a764, ptr %a765)
-  %t767 = icmp ne i32 %t766, 0
-  br i1 %t767, label %then7490, label %endif7492
-then7490:
-  %t768 = load ptr, ptr %a1
-  %t769 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t768, { ptr, i64, i64 } { ptr @.str.4935, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t769, ptr %a770
-  %t771 = load ptr, ptr %a1
-  %t772 = load { ptr, i64, i64 }, ptr %a770
-  call void @finch.gen.store(ptr %t771, { ptr, i64, i64 } { ptr @.str.4936, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4937, i64 15, i64 0 }, { ptr, i64, i64 } %t772)
-  %t773 = load ptr, ptr %a1
-  %t774 = load { ptr, i64, i64 }, ptr %a745
-  store { ptr, i64, i64 } { ptr @.str.4938, i64 35, i64 0 }, ptr %a776
-  store { ptr, i64, i64 } %t774, ptr %a777
-  call void @finch_str_concat(ptr %a775, ptr %a776, ptr %a777)
-  %t778 = load { ptr, i64, i64 }, ptr %a775
+  store { ptr, i64, i64 } %t762, ptr %a765
+  call void @finch_str_concat(ptr %a763, ptr %a764, ptr %a765)
+  store { ptr, i64, i64 } %t761, ptr %a766
+  call void @finch_str_drop(ptr %a766)
+  %t767 = load { ptr, i64, i64 }, ptr %a763
+  store { ptr, i64, i64 } %t767, ptr %a769
+  store { ptr, i64, i64 } { ptr @.str.5094, i64 6, i64 0 }, ptr %a770
+  call void @finch_str_concat(ptr %a768, ptr %a769, ptr %a770)
+  store { ptr, i64, i64 } %t767, ptr %a771
+  call void @finch_str_drop(ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a768
+  %t773 = load { ptr, i64, i64 }, ptr %a750
+  store { ptr, i64, i64 } %t772, ptr %a775
+  store { ptr, i64, i64 } %t773, ptr %a776
+  call void @finch_str_concat(ptr %a774, ptr %a775, ptr %a776)
+  store { ptr, i64, i64 } %t772, ptr %a777
+  call void @finch_str_drop(ptr %a777)
+  %t778 = load { ptr, i64, i64 }, ptr %a774
   store { ptr, i64, i64 } %t778, ptr %a780
-  store { ptr, i64, i64 } { ptr @.str.4939, i64 6, i64 0 }, ptr %a781
+  store { ptr, i64, i64 } { ptr @.str.5095, i64 6, i64 0 }, ptr %a781
   call void @finch_str_concat(ptr %a779, ptr %a780, ptr %a781)
-  %t782 = load { ptr, i64, i64 }, ptr %a779
-  %t783 = load { ptr, i64, i64 }, ptr %a757
-  store { ptr, i64, i64 } %t782, ptr %a785
-  store { ptr, i64, i64 } %t783, ptr %a786
-  call void @finch_str_concat(ptr %a784, ptr %a785, ptr %a786)
-  %t787 = load { ptr, i64, i64 }, ptr %a784
-  store { ptr, i64, i64 } %t787, ptr %a789
-  store { ptr, i64, i64 } { ptr @.str.4940, i64 6, i64 0 }, ptr %a790
+  store { ptr, i64, i64 } %t778, ptr %a782
+  call void @finch_str_drop(ptr %a782)
+  %t783 = load { ptr, i64, i64 }, ptr %a779
+  %t784 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t785 = load i64, ptr %t784
+  call void @finch_str_from_int(ptr %a786, i64 %t785)
+  %t787 = load { ptr, i64, i64 }, ptr %a786
+  store { ptr, i64, i64 } %t783, ptr %a789
+  store { ptr, i64, i64 } %t787, ptr %a790
   call void @finch_str_concat(ptr %a788, ptr %a789, ptr %a790)
-  %t791 = load { ptr, i64, i64 }, ptr %a788
-  %t792 = load { ptr, i64, i64 }, ptr %a770
-  store { ptr, i64, i64 } %t791, ptr %a794
-  store { ptr, i64, i64 } %t792, ptr %a795
-  call void @finch_str_concat(ptr %a793, ptr %a794, ptr %a795)
-  %t796 = load { ptr, i64, i64 }, ptr %a793
-  store { ptr, i64, i64 } %t796, ptr %a798
-  store { ptr, i64, i64 } { ptr @.str.4941, i64 1, i64 0 }, ptr %a799
-  call void @finch_str_concat(ptr %a797, ptr %a798, ptr %a799)
-  %t800 = load { ptr, i64, i64 }, ptr %a797
-  %t801 = call { ptr, i64, i64 } @finch.gen.op(ptr %t773, { ptr, i64, i64 } %t800)
-  store { ptr, i64, i64 } %t801, ptr %a802
-  %t803 = load ptr, ptr %a1
-  %t804 = load { ptr, i64, i64 }, ptr %a802
-  store { ptr, i64, i64 } { ptr @.str.4942, i64 12, i64 0 }, ptr %a806
-  store { ptr, i64, i64 } %t804, ptr %a807
-  call void @finch_str_concat(ptr %a805, ptr %a806, ptr %a807)
-  %t808 = load { ptr, i64, i64 }, ptr %a805
-  store { ptr, i64, i64 } %t808, ptr %a810
-  store { ptr, i64, i64 } { ptr @.str.4943, i64 3, i64 0 }, ptr %a811
-  call void @finch_str_concat(ptr %a809, ptr %a810, ptr %a811)
-  %t812 = load { ptr, i64, i64 }, ptr %a809
-  %t813 = call { ptr, i64, i64 } @finch.gen.op(ptr %t803, { ptr, i64, i64 } %t812)
+  store { ptr, i64, i64 } %t783, ptr %a791
+  call void @finch_str_drop(ptr %a791)
+  store { ptr, i64, i64 } %t787, ptr %a792
+  call void @finch_str_drop(ptr %a792)
+  %t793 = load { ptr, i64, i64 }, ptr %a788
+  store { ptr, i64, i64 } %t793, ptr %a795
+  store { ptr, i64, i64 } { ptr @.str.5096, i64 1, i64 0 }, ptr %a796
+  call void @finch_str_concat(ptr %a794, ptr %a795, ptr %a796)
+  store { ptr, i64, i64 } %t793, ptr %a797
+  call void @finch_str_drop(ptr %a797)
+  %t798 = load { ptr, i64, i64 }, ptr %a794
+  call void @finch.gen.emit(ptr %t751, { ptr, i64, i64 } %t798)
+  store { ptr, i64, i64 } %t798, ptr %a799
+  call void @finch_str_drop(ptr %a799)
+  %t800 = load ptr, ptr %a1
+  %t801 = load %S.gen.Val, ptr %a603
+  call void @finch.gen.release(ptr %t800, %S.gen.Val %t801)
+  %t802 = load ptr, ptr %a1
+  %t803 = load { ptr, i64, i64 }, ptr %a647
+  %t804 = call { ptr, i64, i64 } @finch.gen.load(ptr %t802, { ptr, i64, i64 } { ptr @.str.5097, i64 17, i64 0 }, { ptr, i64, i64 } %t803)
+  %t805 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t804, 0
+  %t806 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5098, i64 3, i64 0 })
+  %t807 = insertvalue %S.gen.Val %t805, %S.ast.Type %t806, 1
+  %t808 = insertvalue %S.gen.Val %t807, i1 true, 2
+  call void @finch_str_drop(ptr %a750)
+  call void @finch_str_drop(ptr %a647)
+  call void @finch_str_drop(ptr %a607)
+  call void @finch.drop.S_gen_Val(ptr %a603)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t808
+endif7842:
+  %t809 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t809, ptr %a810
+  store { ptr, i64, i64 } { ptr @.str.5099, i64 10, i64 0 }, ptr %a811
+  %t812 = call i32 @finch_str_eq(ptr %a810, ptr %a811)
+  %t813 = icmp ne i32 %t812, 0
+  br i1 %t813, label %then7861, label %endif7863
+then7861:
   %t814 = load ptr, ptr %a1
-  %t815 = icmp eq ptr %t814, null
-  br i1 %t815, label %panic7493, label %ok7494
-panic7493:
-  call void @finch_panic(ptr @.str.4944, i64 4409, ptr @.str.4945)
-  unreachable
-ok7494:
-  %t816 = getelementptr inbounds %S.gen.Gen, ptr %t814, i32 0, i32 40
-  store { ptr, i64, i64 } %t813, ptr %t816
+  %t815 = load %S.ast.Node, ptr %a2
+  %t816 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t814, %S.ast.Node %t815, i64 0, i64 2, { ptr, i64, i64 } %t816)
   %t817 = load ptr, ptr %a1
-  %t818 = load { ptr, i64, i64 }, ptr %a770
-  %t819 = call { ptr, i64, i64 } @finch.gen.load(ptr %t817, { ptr, i64, i64 } { ptr @.str.4946, i64 17, i64 0 }, { ptr, i64, i64 } %t818)
-  %t820 = load ptr, ptr %a1
-  %t821 = icmp eq ptr %t820, null
-  br i1 %t821, label %panic7495, label %ok7496
-panic7495:
-  call void @finch_panic(ptr @.str.4947, i64 4410, ptr @.str.4948)
+  %t818 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t819 = load { ptr, i64, i64 }, ptr %t818
+  %t820 = extractvalue { ptr, i64, i64 } %t819, 1
+  %t821 = icmp uge i64 0, %t820
+  br i1 %t821, label %range7864, label %inrange7865
+range7864:
+  call void @finch_panic_index(ptr @.str.5100, i64 4716, i64 0, i64 %t820)
   unreachable
-ok7496:
-  %t822 = getelementptr inbounds %S.gen.Gen, ptr %t820, i32 0, i32 41
-  store { ptr, i64, i64 } %t819, ptr %t822
-  %t823 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4949, i64 4, i64 0 })
-  %t824 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t823, 1
-  ret %S.gen.Val %t824
-endif7492:
-  %t825 = load ptr, ptr %a1
-  %t826 = load { ptr, i64, i64 }, ptr %a745
-  store { ptr, i64, i64 } { ptr @.str.4950, i64 31, i64 0 }, ptr %a828
-  store { ptr, i64, i64 } %t826, ptr %a829
-  call void @finch_str_concat(ptr %a827, ptr %a828, ptr %a829)
-  %t830 = load { ptr, i64, i64 }, ptr %a827
-  store { ptr, i64, i64 } %t830, ptr %a832
-  store { ptr, i64, i64 } { ptr @.str.4951, i64 6, i64 0 }, ptr %a833
-  call void @finch_str_concat(ptr %a831, ptr %a832, ptr %a833)
-  %t834 = load { ptr, i64, i64 }, ptr %a831
-  %t835 = load { ptr, i64, i64 }, ptr %a757
-  store { ptr, i64, i64 } %t834, ptr %a837
-  store { ptr, i64, i64 } %t835, ptr %a838
-  call void @finch_str_concat(ptr %a836, ptr %a837, ptr %a838)
-  %t839 = load { ptr, i64, i64 }, ptr %a836
-  store { ptr, i64, i64 } %t839, ptr %a841
-  store { ptr, i64, i64 } { ptr @.str.4952, i64 1, i64 0 }, ptr %a842
-  call void @finch_str_concat(ptr %a840, ptr %a841, ptr %a842)
-  %t843 = load { ptr, i64, i64 }, ptr %a840
-  %t844 = call { ptr, i64, i64 } @finch.gen.op(ptr %t825, { ptr, i64, i64 } %t843)
-  store { ptr, i64, i64 } %t844, ptr %a845
-  %t846 = load ptr, ptr %a1
-  %t847 = load { ptr, i64, i64 }, ptr %a845
-  store { ptr, i64, i64 } { ptr @.str.4953, i64 12, i64 0 }, ptr %a849
-  store { ptr, i64, i64 } %t847, ptr %a850
-  call void @finch_str_concat(ptr %a848, ptr %a849, ptr %a850)
-  %t851 = load { ptr, i64, i64 }, ptr %a848
-  store { ptr, i64, i64 } %t851, ptr %a853
-  store { ptr, i64, i64 } { ptr @.str.4954, i64 3, i64 0 }, ptr %a854
-  call void @finch_str_concat(ptr %a852, ptr %a853, ptr %a854)
-  %t855 = load { ptr, i64, i64 }, ptr %a852
-  %t856 = call { ptr, i64, i64 } @finch.gen.op(ptr %t846, { ptr, i64, i64 } %t855)
-  %t857 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t856, 0
-  %t858 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4955, i64 4, i64 0 })
-  %t859 = insertvalue %S.gen.Val %t857, %S.ast.Type %t858, 1
-  ret %S.gen.Val %t859
-endif7483:
-  %t860 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t860, ptr %a861
-  store { ptr, i64, i64 } { ptr @.str.4956, i64 11, i64 0 }, ptr %a862
+inrange7865:
+  %t822 = extractvalue { ptr, i64, i64 } %t819, 0
+  %t823 = getelementptr inbounds %S.ast.Node, ptr %t822, i64 0
+  %t824 = load %S.ast.Node, ptr %t823
+  %t825 = call %S.gen.Val @finch.gen.strArg(ptr %t817, %S.ast.Node %t824, { ptr, i64, i64 } { ptr @.str.5101, i64 13, i64 0 })
+  store %S.gen.Val %t825, ptr %a826
+  %t827 = load ptr, ptr %a1
+  %t828 = icmp eq ptr %t827, null
+  br i1 %t828, label %panic7866, label %ok7867
+panic7866:
+  call void @finch_panic(ptr @.str.5102, i64 4717, ptr @.str.5103)
+  unreachable
+ok7867:
+  %t829 = getelementptr inbounds %S.gen.Gen, ptr %t827, i32 0, i32 11
+  %t830 = getelementptr inbounds { ptr, i64, i64 }, ptr %t829, i32 0, i32 1
+  %t831 = load i64, ptr %t830
+  store i64 %t831, ptr %a832
+  %t833 = load ptr, ptr %a1
+  %t834 = load %S.gen.Val, ptr %a826
+  call void @finch.gen.hold(ptr %t833, %S.gen.Val %t834)
+  %t835 = load ptr, ptr %a1
+  %t836 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t837 = load { ptr, i64, i64 }, ptr %t836
+  %t838 = extractvalue { ptr, i64, i64 } %t837, 1
+  %t839 = icmp uge i64 1, %t838
+  br i1 %t839, label %range7868, label %inrange7869
+range7868:
+  call void @finch_panic_index(ptr @.str.5104, i64 4719, i64 1, i64 %t838)
+  unreachable
+inrange7869:
+  %t840 = extractvalue { ptr, i64, i64 } %t837, 0
+  %t841 = getelementptr inbounds %S.ast.Node, ptr %t840, i64 1
+  %t842 = load %S.ast.Node, ptr %t841
+  %t843 = call %S.gen.Val @finch.gen.strArg(ptr %t835, %S.ast.Node %t842, { ptr, i64, i64 } { ptr @.str.5105, i64 8, i64 0 })
+  store %S.gen.Val %t843, ptr %a844
+  %t845 = load ptr, ptr %a1
+  %t846 = load i64, ptr %a832
+  call void @finch.gen.heldEnd(ptr %t845, i64 %t846)
+  %t847 = load ptr, ptr %a1
+  %t848 = load %S.gen.Val, ptr %a826
+  %t849 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t847, %S.gen.Val %t848)
+  store { ptr, i64, i64 } %t849, ptr %a850
+  %t851 = load ptr, ptr %a1
+  %t852 = load %S.gen.Val, ptr %a844
+  %t853 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t851, %S.gen.Val %t852)
+  store { ptr, i64, i64 } %t853, ptr %a854
+  %t855 = load ptr, ptr %a1
+  %t856 = icmp eq ptr %t855, null
+  br i1 %t856, label %panic7870, label %ok7871
+panic7870:
+  call void @finch_panic(ptr @.str.5106, i64 4723, ptr @.str.5107)
+  unreachable
+ok7871:
+  %t857 = getelementptr inbounds %S.gen.Gen, ptr %t855, i32 0, i32 40
+  %t858 = load { ptr, i64, i64 }, ptr %t857
+  %t859 = load %S.ast.Node, ptr %a2
+  %t860 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t859)
+  store { ptr, i64, i64 } %t858, ptr %a861
+  store { ptr, i64, i64 } %t860, ptr %a862
   %t863 = call i32 @finch_str_eq(ptr %a861, ptr %a862)
   %t864 = icmp ne i32 %t863, 0
-  br i1 %t864, label %then7497, label %endif7499
-then7497:
-  %t865 = load ptr, ptr %a1
-  %t866 = load %S.ast.Node, ptr %a2
-  %t867 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t865, %S.ast.Node %t866, i64 0, i64 1, { ptr, i64, i64 } %t867)
-  %t868 = load ptr, ptr %a1
-  %t869 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t870 = load { ptr, i64, i64 }, ptr %t869
-  %t871 = extractvalue { ptr, i64, i64 } %t870, 1
-  %t872 = icmp uge i64 0, %t871
-  br i1 %t872, label %range7500, label %inrange7501
-range7500:
-  call void @finch_panic_index(ptr @.str.4957, i64 4418, i64 0, i64 %t871)
-  unreachable
-inrange7501:
-  %t873 = extractvalue { ptr, i64, i64 } %t870, 0
-  %t874 = getelementptr inbounds %S.ast.Node, ptr %t873, i64 0
-  %t875 = load %S.ast.Node, ptr %t874
-  %t876 = call %S.gen.Val @finch.gen.strArg(ptr %t868, %S.ast.Node %t875, { ptr, i64, i64 } { ptr @.str.4958, i64 13, i64 0 })
-  store %S.gen.Val %t876, ptr %a877
-  %t878 = load ptr, ptr %a1
-  %t879 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t878)
-  store { ptr, i64, i64 } %t879, ptr %a880
-  %t881 = load ptr, ptr %a1
-  %t882 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } { ptr @.str.4959, i64 30, i64 0 }, ptr %a884
+  store { ptr, i64, i64 } %t860, ptr %a865
+  call void @finch_str_drop(ptr %a865)
+  br i1 %t864, label %then7872, label %endif7874
+then7872:
+  %t866 = load ptr, ptr %a1
+  %t867 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t866, { ptr, i64, i64 } { ptr @.str.5108, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t867, ptr %a868
+  %t869 = load ptr, ptr %a1
+  %t870 = load { ptr, i64, i64 }, ptr %a868
+  call void @finch.gen.store(ptr %t869, { ptr, i64, i64 } { ptr @.str.5109, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5110, i64 15, i64 0 }, { ptr, i64, i64 } %t870)
+  %t871 = load ptr, ptr %a1
+  %t872 = load { ptr, i64, i64 }, ptr %a850
+  store { ptr, i64, i64 } { ptr @.str.5111, i64 35, i64 0 }, ptr %a874
+  store { ptr, i64, i64 } %t872, ptr %a875
+  call void @finch_str_concat(ptr %a873, ptr %a874, ptr %a875)
+  %t876 = load { ptr, i64, i64 }, ptr %a873
+  store { ptr, i64, i64 } %t876, ptr %a878
+  store { ptr, i64, i64 } { ptr @.str.5112, i64 6, i64 0 }, ptr %a879
+  call void @finch_str_concat(ptr %a877, ptr %a878, ptr %a879)
+  store { ptr, i64, i64 } %t876, ptr %a880
+  call void @finch_str_drop(ptr %a880)
+  %t881 = load { ptr, i64, i64 }, ptr %a877
+  %t882 = load { ptr, i64, i64 }, ptr %a854
+  store { ptr, i64, i64 } %t881, ptr %a884
   store { ptr, i64, i64 } %t882, ptr %a885
   call void @finch_str_concat(ptr %a883, ptr %a884, ptr %a885)
-  %t886 = load { ptr, i64, i64 }, ptr %a883
-  store { ptr, i64, i64 } %t886, ptr %a888
-  store { ptr, i64, i64 } { ptr @.str.4960, i64 6, i64 0 }, ptr %a889
-  call void @finch_str_concat(ptr %a887, ptr %a888, ptr %a889)
-  %t890 = load { ptr, i64, i64 }, ptr %a887
-  %t891 = load ptr, ptr %a1
-  %t892 = load %S.gen.Val, ptr %a877
-  %t893 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t891, %S.gen.Val %t892)
-  store { ptr, i64, i64 } %t890, ptr %a895
+  store { ptr, i64, i64 } %t881, ptr %a886
+  call void @finch_str_drop(ptr %a886)
+  %t887 = load { ptr, i64, i64 }, ptr %a883
+  store { ptr, i64, i64 } %t887, ptr %a889
+  store { ptr, i64, i64 } { ptr @.str.5113, i64 6, i64 0 }, ptr %a890
+  call void @finch_str_concat(ptr %a888, ptr %a889, ptr %a890)
+  store { ptr, i64, i64 } %t887, ptr %a891
+  call void @finch_str_drop(ptr %a891)
+  %t892 = load { ptr, i64, i64 }, ptr %a888
+  %t893 = load { ptr, i64, i64 }, ptr %a868
+  store { ptr, i64, i64 } %t892, ptr %a895
   store { ptr, i64, i64 } %t893, ptr %a896
   call void @finch_str_concat(ptr %a894, ptr %a895, ptr %a896)
-  %t897 = load { ptr, i64, i64 }, ptr %a894
-  store { ptr, i64, i64 } %t897, ptr %a899
-  store { ptr, i64, i64 } { ptr @.str.4961, i64 1, i64 0 }, ptr %a900
-  call void @finch_str_concat(ptr %a898, ptr %a899, ptr %a900)
-  %t901 = load { ptr, i64, i64 }, ptr %a898
-  call void @finch.gen.emit(ptr %t881, { ptr, i64, i64 } %t901)
-  %t902 = load ptr, ptr %a1
-  %t903 = icmp eq ptr %t902, null
-  br i1 %t903, label %panic7502, label %ok7503
-panic7502:
-  call void @finch_panic(ptr @.str.4962, i64 4421, ptr @.str.4963)
+  store { ptr, i64, i64 } %t892, ptr %a897
+  call void @finch_str_drop(ptr %a897)
+  %t898 = load { ptr, i64, i64 }, ptr %a894
+  store { ptr, i64, i64 } %t898, ptr %a900
+  store { ptr, i64, i64 } { ptr @.str.5114, i64 1, i64 0 }, ptr %a901
+  call void @finch_str_concat(ptr %a899, ptr %a900, ptr %a901)
+  store { ptr, i64, i64 } %t898, ptr %a902
+  call void @finch_str_drop(ptr %a902)
+  %t903 = load { ptr, i64, i64 }, ptr %a899
+  %t904 = call { ptr, i64, i64 } @finch.gen.op(ptr %t871, { ptr, i64, i64 } %t903)
+  store { ptr, i64, i64 } %t903, ptr %a905
+  call void @finch_str_drop(ptr %a905)
+  store { ptr, i64, i64 } %t904, ptr %a906
+  %t907 = load ptr, ptr %a1
+  %t908 = load { ptr, i64, i64 }, ptr %a906
+  store { ptr, i64, i64 } { ptr @.str.5115, i64 12, i64 0 }, ptr %a910
+  store { ptr, i64, i64 } %t908, ptr %a911
+  call void @finch_str_concat(ptr %a909, ptr %a910, ptr %a911)
+  %t912 = load { ptr, i64, i64 }, ptr %a909
+  store { ptr, i64, i64 } %t912, ptr %a914
+  store { ptr, i64, i64 } { ptr @.str.5116, i64 3, i64 0 }, ptr %a915
+  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
+  store { ptr, i64, i64 } %t912, ptr %a916
+  call void @finch_str_drop(ptr %a916)
+  %t917 = load { ptr, i64, i64 }, ptr %a913
+  %t918 = call { ptr, i64, i64 } @finch.gen.op(ptr %t907, { ptr, i64, i64 } %t917)
+  store { ptr, i64, i64 } %t917, ptr %a919
+  call void @finch_str_drop(ptr %a919)
+  %t920 = load ptr, ptr %a1
+  %t921 = icmp eq ptr %t920, null
+  br i1 %t921, label %panic7875, label %ok7876
+panic7875:
+  call void @finch_panic(ptr @.str.5117, i64 4727, ptr @.str.5118)
   unreachable
-ok7503:
-  %t904 = getelementptr inbounds %S.gen.Gen, ptr %t902, i32 0, i32 39
-  %t905 = load { ptr, i64, i64 }, ptr %t904
-  %t906 = load %S.ast.Node, ptr %a2
-  %t907 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t906)
-  store { ptr, i64, i64 } %t905, ptr %a908
-  store { ptr, i64, i64 } %t907, ptr %a909
-  %t910 = call i32 @finch_str_eq(ptr %a908, ptr %a909)
-  %t911 = icmp ne i32 %t910, 0
-  br i1 %t911, label %then7504, label %endif7506
-then7504:
-  %t912 = load ptr, ptr %a1
-  %t913 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t912, { ptr, i64, i64 } { ptr @.str.4964, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t913, ptr %a914
-  %t915 = load ptr, ptr %a1
-  %t916 = load { ptr, i64, i64 }, ptr %a914
-  call void @finch.gen.store(ptr %t915, { ptr, i64, i64 } { ptr @.str.4965, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.4966, i64 15, i64 0 }, { ptr, i64, i64 } %t916)
-  %t917 = load ptr, ptr %a1
-  %t918 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } { ptr @.str.4967, i64 36, i64 0 }, ptr %a920
-  store { ptr, i64, i64 } %t918, ptr %a921
-  call void @finch_str_concat(ptr %a919, ptr %a920, ptr %a921)
-  %t922 = load { ptr, i64, i64 }, ptr %a919
-  store { ptr, i64, i64 } %t922, ptr %a924
-  store { ptr, i64, i64 } { ptr @.str.4968, i64 6, i64 0 }, ptr %a925
-  call void @finch_str_concat(ptr %a923, ptr %a924, ptr %a925)
-  %t926 = load { ptr, i64, i64 }, ptr %a923
-  %t927 = load { ptr, i64, i64 }, ptr %a914
-  store { ptr, i64, i64 } %t926, ptr %a929
-  store { ptr, i64, i64 } %t927, ptr %a930
-  call void @finch_str_concat(ptr %a928, ptr %a929, ptr %a930)
-  %t931 = load { ptr, i64, i64 }, ptr %a928
-  store { ptr, i64, i64 } %t931, ptr %a933
-  store { ptr, i64, i64 } { ptr @.str.4969, i64 1, i64 0 }, ptr %a934
-  call void @finch_str_concat(ptr %a932, ptr %a933, ptr %a934)
-  %t935 = load { ptr, i64, i64 }, ptr %a932
-  %t936 = call { ptr, i64, i64 } @finch.gen.op(ptr %t917, { ptr, i64, i64 } %t935)
-  store { ptr, i64, i64 } %t936, ptr %a937
-  %t938 = load ptr, ptr %a1
-  %t939 = load { ptr, i64, i64 }, ptr %a937
-  store { ptr, i64, i64 } { ptr @.str.4970, i64 12, i64 0 }, ptr %a941
-  store { ptr, i64, i64 } %t939, ptr %a942
-  call void @finch_str_concat(ptr %a940, ptr %a941, ptr %a942)
-  %t943 = load { ptr, i64, i64 }, ptr %a940
-  store { ptr, i64, i64 } %t943, ptr %a945
-  store { ptr, i64, i64 } { ptr @.str.4971, i64 3, i64 0 }, ptr %a946
-  call void @finch_str_concat(ptr %a944, ptr %a945, ptr %a946)
-  %t947 = load { ptr, i64, i64 }, ptr %a944
-  %t948 = call { ptr, i64, i64 } @finch.gen.op(ptr %t938, { ptr, i64, i64 } %t947)
-  %t949 = load ptr, ptr %a1
-  %t950 = icmp eq ptr %t949, null
-  br i1 %t950, label %panic7507, label %ok7508
-panic7507:
-  call void @finch_panic(ptr @.str.4972, i64 4425, ptr @.str.4973)
+ok7876:
+  %t922 = getelementptr inbounds %S.gen.Gen, ptr %t920, i32 0, i32 41
+  %t923 = load { ptr, i64, i64 }, ptr %t922
+  store { ptr, i64, i64 } %t918, ptr %t922
+  store { ptr, i64, i64 } %t923, ptr %a924
+  call void @finch_str_drop(ptr %a924)
+  %t925 = load ptr, ptr %a1
+  %t926 = load { ptr, i64, i64 }, ptr %a868
+  %t927 = call { ptr, i64, i64 } @finch.gen.load(ptr %t925, { ptr, i64, i64 } { ptr @.str.5119, i64 17, i64 0 }, { ptr, i64, i64 } %t926)
+  %t928 = load ptr, ptr %a1
+  %t929 = icmp eq ptr %t928, null
+  br i1 %t929, label %panic7877, label %ok7878
+panic7877:
+  call void @finch_panic(ptr @.str.5120, i64 4728, ptr @.str.5121)
   unreachable
-ok7508:
-  %t951 = getelementptr inbounds %S.gen.Gen, ptr %t949, i32 0, i32 40
-  store { ptr, i64, i64 } %t948, ptr %t951
-  %t952 = load ptr, ptr %a1
-  %t953 = load { ptr, i64, i64 }, ptr %a914
-  %t954 = call { ptr, i64, i64 } @finch.gen.load(ptr %t952, { ptr, i64, i64 } { ptr @.str.4974, i64 17, i64 0 }, { ptr, i64, i64 } %t953)
-  %t955 = load ptr, ptr %a1
-  %t956 = icmp eq ptr %t955, null
-  br i1 %t956, label %panic7509, label %ok7510
-panic7509:
-  call void @finch_panic(ptr @.str.4975, i64 4426, ptr @.str.4976)
-  unreachable
-ok7510:
-  %t957 = getelementptr inbounds %S.gen.Gen, ptr %t955, i32 0, i32 41
-  store { ptr, i64, i64 } %t954, ptr %t957
-  %t958 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4977, i64 4, i64 0 })
-  %t959 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t958, 1
-  ret %S.gen.Val %t959
-endif7506:
-  %t960 = load ptr, ptr %a1
-  %t961 = load { ptr, i64, i64 }, ptr %a880
-  store { ptr, i64, i64 } { ptr @.str.4978, i64 32, i64 0 }, ptr %a963
-  store { ptr, i64, i64 } %t961, ptr %a964
-  call void @finch_str_concat(ptr %a962, ptr %a963, ptr %a964)
-  %t965 = load { ptr, i64, i64 }, ptr %a962
-  store { ptr, i64, i64 } %t965, ptr %a967
-  store { ptr, i64, i64 } { ptr @.str.4979, i64 1, i64 0 }, ptr %a968
-  call void @finch_str_concat(ptr %a966, ptr %a967, ptr %a968)
-  %t969 = load { ptr, i64, i64 }, ptr %a966
-  %t970 = call { ptr, i64, i64 } @finch.gen.op(ptr %t960, { ptr, i64, i64 } %t969)
-  store { ptr, i64, i64 } %t970, ptr %a971
-  %t972 = load ptr, ptr %a1
-  %t973 = load { ptr, i64, i64 }, ptr %a971
-  store { ptr, i64, i64 } { ptr @.str.4980, i64 12, i64 0 }, ptr %a975
-  store { ptr, i64, i64 } %t973, ptr %a976
+ok7878:
+  %t930 = getelementptr inbounds %S.gen.Gen, ptr %t928, i32 0, i32 42
+  %t931 = load { ptr, i64, i64 }, ptr %t930
+  store { ptr, i64, i64 } %t927, ptr %t930
+  store { ptr, i64, i64 } %t931, ptr %a932
+  call void @finch_str_drop(ptr %a932)
+  %t933 = load ptr, ptr %a1
+  %t934 = load %S.gen.Val, ptr %a826
+  call void @finch.gen.release(ptr %t933, %S.gen.Val %t934)
+  %t935 = load ptr, ptr %a1
+  %t936 = load %S.gen.Val, ptr %a844
+  call void @finch.gen.release(ptr %t935, %S.gen.Val %t936)
+  %t937 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5122, i64 4, i64 0 })
+  %t938 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t937, 1
+  call void @finch_str_drop(ptr %a906)
+  call void @finch_str_drop(ptr %a868)
+  call void @finch_str_drop(ptr %a854)
+  call void @finch_str_drop(ptr %a850)
+  call void @finch.drop.S_gen_Val(ptr %a844)
+  call void @finch.drop.S_gen_Val(ptr %a826)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t938
+endif7874:
+  %t939 = load ptr, ptr %a1
+  %t940 = load { ptr, i64, i64 }, ptr %a850
+  store { ptr, i64, i64 } { ptr @.str.5123, i64 31, i64 0 }, ptr %a942
+  store { ptr, i64, i64 } %t940, ptr %a943
+  call void @finch_str_concat(ptr %a941, ptr %a942, ptr %a943)
+  %t944 = load { ptr, i64, i64 }, ptr %a941
+  store { ptr, i64, i64 } %t944, ptr %a946
+  store { ptr, i64, i64 } { ptr @.str.5124, i64 6, i64 0 }, ptr %a947
+  call void @finch_str_concat(ptr %a945, ptr %a946, ptr %a947)
+  store { ptr, i64, i64 } %t944, ptr %a948
+  call void @finch_str_drop(ptr %a948)
+  %t949 = load { ptr, i64, i64 }, ptr %a945
+  %t950 = load { ptr, i64, i64 }, ptr %a854
+  store { ptr, i64, i64 } %t949, ptr %a952
+  store { ptr, i64, i64 } %t950, ptr %a953
+  call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
+  store { ptr, i64, i64 } %t949, ptr %a954
+  call void @finch_str_drop(ptr %a954)
+  %t955 = load { ptr, i64, i64 }, ptr %a951
+  store { ptr, i64, i64 } %t955, ptr %a957
+  store { ptr, i64, i64 } { ptr @.str.5125, i64 1, i64 0 }, ptr %a958
+  call void @finch_str_concat(ptr %a956, ptr %a957, ptr %a958)
+  store { ptr, i64, i64 } %t955, ptr %a959
+  call void @finch_str_drop(ptr %a959)
+  %t960 = load { ptr, i64, i64 }, ptr %a956
+  %t961 = call { ptr, i64, i64 } @finch.gen.op(ptr %t939, { ptr, i64, i64 } %t960)
+  store { ptr, i64, i64 } %t960, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  store { ptr, i64, i64 } %t961, ptr %a963
+  %t964 = load ptr, ptr %a1
+  %t965 = load %S.gen.Val, ptr %a826
+  call void @finch.gen.release(ptr %t964, %S.gen.Val %t965)
+  %t966 = load ptr, ptr %a1
+  %t967 = load %S.gen.Val, ptr %a844
+  call void @finch.gen.release(ptr %t966, %S.gen.Val %t967)
+  %t968 = load ptr, ptr %a1
+  %t969 = load { ptr, i64, i64 }, ptr %a963
+  store { ptr, i64, i64 } { ptr @.str.5126, i64 12, i64 0 }, ptr %a971
+  store { ptr, i64, i64 } %t969, ptr %a972
+  call void @finch_str_concat(ptr %a970, ptr %a971, ptr %a972)
+  %t973 = load { ptr, i64, i64 }, ptr %a970
+  store { ptr, i64, i64 } %t973, ptr %a975
+  store { ptr, i64, i64 } { ptr @.str.5127, i64 3, i64 0 }, ptr %a976
   call void @finch_str_concat(ptr %a974, ptr %a975, ptr %a976)
-  %t977 = load { ptr, i64, i64 }, ptr %a974
-  store { ptr, i64, i64 } %t977, ptr %a979
-  store { ptr, i64, i64 } { ptr @.str.4981, i64 3, i64 0 }, ptr %a980
-  call void @finch_str_concat(ptr %a978, ptr %a979, ptr %a980)
-  %t981 = load { ptr, i64, i64 }, ptr %a978
-  %t982 = call { ptr, i64, i64 } @finch.gen.op(ptr %t972, { ptr, i64, i64 } %t981)
-  %t983 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t982, 0
-  %t984 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4982, i64 4, i64 0 })
-  %t985 = insertvalue %S.gen.Val %t983, %S.ast.Type %t984, 1
-  ret %S.gen.Val %t985
-endif7499:
-  %t986 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t986, ptr %a987
-  store { ptr, i64, i64 } { ptr @.str.4983, i64 5, i64 0 }, ptr %a988
-  %t989 = call i32 @finch_str_eq(ptr %a987, ptr %a988)
-  %t990 = icmp ne i32 %t989, 0
-  br i1 %t990, label %then7511, label %endif7513
-then7511:
-  %t991 = load ptr, ptr %a1
-  %t992 = load %S.ast.Node, ptr %a2
-  %t993 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t991, %S.ast.Node %t992, i64 0, i64 1, { ptr, i64, i64 } %t993)
-  %t994 = load ptr, ptr %a1
-  %t995 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t996 = load { ptr, i64, i64 }, ptr %t995
-  %t997 = extractvalue { ptr, i64, i64 } %t996, 1
-  %t998 = icmp uge i64 0, %t997
-  br i1 %t998, label %range7514, label %inrange7515
-range7514:
-  call void @finch_panic_index(ptr @.str.4984, i64 4434, i64 0, i64 %t997)
+  store { ptr, i64, i64 } %t973, ptr %a977
+  call void @finch_str_drop(ptr %a977)
+  %t978 = load { ptr, i64, i64 }, ptr %a974
+  %t979 = call { ptr, i64, i64 } @finch.gen.op(ptr %t968, { ptr, i64, i64 } %t978)
+  store { ptr, i64, i64 } %t978, ptr %a980
+  call void @finch_str_drop(ptr %a980)
+  %t981 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t979, 0
+  %t982 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5128, i64 4, i64 0 })
+  %t983 = insertvalue %S.gen.Val %t981, %S.ast.Type %t982, 1
+  call void @finch_str_drop(ptr %a963)
+  call void @finch_str_drop(ptr %a854)
+  call void @finch_str_drop(ptr %a850)
+  call void @finch.drop.S_gen_Val(ptr %a844)
+  call void @finch.drop.S_gen_Val(ptr %a826)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t983
+endif7863:
+  %t984 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t984, ptr %a985
+  store { ptr, i64, i64 } { ptr @.str.5129, i64 11, i64 0 }, ptr %a986
+  %t987 = call i32 @finch_str_eq(ptr %a985, ptr %a986)
+  %t988 = icmp ne i32 %t987, 0
+  br i1 %t988, label %then7879, label %endif7881
+then7879:
+  %t989 = load ptr, ptr %a1
+  %t990 = load %S.ast.Node, ptr %a2
+  %t991 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t989, %S.ast.Node %t990, i64 0, i64 1, { ptr, i64, i64 } %t991)
+  %t992 = load ptr, ptr %a1
+  %t993 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t994 = load { ptr, i64, i64 }, ptr %t993
+  %t995 = extractvalue { ptr, i64, i64 } %t994, 1
+  %t996 = icmp uge i64 0, %t995
+  br i1 %t996, label %range7882, label %inrange7883
+range7882:
+  call void @finch_panic_index(ptr @.str.5130, i64 4740, i64 0, i64 %t995)
   unreachable
-inrange7515:
-  %t999 = extractvalue { ptr, i64, i64 } %t996, 0
-  %t1000 = getelementptr inbounds %S.ast.Node, ptr %t999, i64 0
-  %t1001 = load %S.ast.Node, ptr %t1000
-  %t1002 = call %S.gen.Val @finch.gen.strArg(ptr %t994, %S.ast.Node %t1001, { ptr, i64, i64 } { ptr @.str.4985, i64 11, i64 0 })
-  store %S.gen.Val %t1002, ptr %a1003
-  %t1004 = load ptr, ptr %a1
-  %t1005 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1004)
-  store { ptr, i64, i64 } %t1005, ptr %a1006
-  %t1007 = load ptr, ptr %a1
-  %t1008 = load { ptr, i64, i64 }, ptr %a1006
-  store { ptr, i64, i64 } { ptr @.str.4986, i64 30, i64 0 }, ptr %a1010
-  store { ptr, i64, i64 } %t1008, ptr %a1011
-  call void @finch_str_concat(ptr %a1009, ptr %a1010, ptr %a1011)
-  %t1012 = load { ptr, i64, i64 }, ptr %a1009
-  store { ptr, i64, i64 } %t1012, ptr %a1014
-  store { ptr, i64, i64 } { ptr @.str.4987, i64 6, i64 0 }, ptr %a1015
-  call void @finch_str_concat(ptr %a1013, ptr %a1014, ptr %a1015)
-  %t1016 = load { ptr, i64, i64 }, ptr %a1013
-  %t1017 = load ptr, ptr %a1
-  %t1018 = load %S.gen.Val, ptr %a1003
-  %t1019 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1017, %S.gen.Val %t1018)
-  store { ptr, i64, i64 } %t1016, ptr %a1021
-  store { ptr, i64, i64 } %t1019, ptr %a1022
-  call void @finch_str_concat(ptr %a1020, ptr %a1021, ptr %a1022)
-  %t1023 = load { ptr, i64, i64 }, ptr %a1020
-  store { ptr, i64, i64 } %t1023, ptr %a1025
-  store { ptr, i64, i64 } { ptr @.str.4988, i64 1, i64 0 }, ptr %a1026
-  call void @finch_str_concat(ptr %a1024, ptr %a1025, ptr %a1026)
-  %t1027 = load { ptr, i64, i64 }, ptr %a1024
-  call void @finch.gen.emit(ptr %t1007, { ptr, i64, i64 } %t1027)
-  %t1028 = load ptr, ptr %a1
-  %t1029 = load { ptr, i64, i64 }, ptr %a1006
-  store { ptr, i64, i64 } { ptr @.str.4989, i64 26, i64 0 }, ptr %a1031
-  store { ptr, i64, i64 } %t1029, ptr %a1032
-  call void @finch_str_concat(ptr %a1030, ptr %a1031, ptr %a1032)
-  %t1033 = load { ptr, i64, i64 }, ptr %a1030
-  store { ptr, i64, i64 } %t1033, ptr %a1035
-  store { ptr, i64, i64 } { ptr @.str.4990, i64 1, i64 0 }, ptr %a1036
-  call void @finch_str_concat(ptr %a1034, ptr %a1035, ptr %a1036)
-  %t1037 = load { ptr, i64, i64 }, ptr %a1034
-  %t1038 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1028, { ptr, i64, i64 } %t1037)
-  %t1039 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1038, 0
-  %t1040 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4991, i64 3, i64 0 })
-  %t1041 = insertvalue %S.gen.Val %t1039, %S.ast.Type %t1040, 1
-  ret %S.gen.Val %t1041
-endif7513:
-  %t1042 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1042, ptr %a1043
-  store { ptr, i64, i64 } { ptr @.str.4992, i64 4, i64 0 }, ptr %a1044
-  %t1045 = call i32 @finch_str_eq(ptr %a1043, ptr %a1044)
-  %t1046 = icmp ne i32 %t1045, 0
-  br i1 %t1046, label %then7516, label %endif7518
-then7516:
+inrange7883:
+  %t997 = extractvalue { ptr, i64, i64 } %t994, 0
+  %t998 = getelementptr inbounds %S.ast.Node, ptr %t997, i64 0
+  %t999 = load %S.ast.Node, ptr %t998
+  %t1000 = call %S.gen.Val @finch.gen.strArg(ptr %t992, %S.ast.Node %t999, { ptr, i64, i64 } { ptr @.str.5131, i64 13, i64 0 })
+  store %S.gen.Val %t1000, ptr %a1001
+  %t1002 = load ptr, ptr %a1
+  %t1003 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1002)
+  store { ptr, i64, i64 } %t1003, ptr %a1004
+  %t1005 = load ptr, ptr %a1
+  %t1006 = load { ptr, i64, i64 }, ptr %a1004
+  store { ptr, i64, i64 } { ptr @.str.5132, i64 30, i64 0 }, ptr %a1008
+  store { ptr, i64, i64 } %t1006, ptr %a1009
+  call void @finch_str_concat(ptr %a1007, ptr %a1008, ptr %a1009)
+  %t1010 = load { ptr, i64, i64 }, ptr %a1007
+  store { ptr, i64, i64 } %t1010, ptr %a1012
+  store { ptr, i64, i64 } { ptr @.str.5133, i64 6, i64 0 }, ptr %a1013
+  call void @finch_str_concat(ptr %a1011, ptr %a1012, ptr %a1013)
+  store { ptr, i64, i64 } %t1010, ptr %a1014
+  call void @finch_str_drop(ptr %a1014)
+  %t1015 = load { ptr, i64, i64 }, ptr %a1011
+  %t1016 = load ptr, ptr %a1
+  %t1017 = load %S.gen.Val, ptr %a1001
+  %t1018 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1016, %S.gen.Val %t1017)
+  store { ptr, i64, i64 } %t1015, ptr %a1020
+  store { ptr, i64, i64 } %t1018, ptr %a1021
+  call void @finch_str_concat(ptr %a1019, ptr %a1020, ptr %a1021)
+  store { ptr, i64, i64 } %t1015, ptr %a1022
+  call void @finch_str_drop(ptr %a1022)
+  store { ptr, i64, i64 } %t1018, ptr %a1023
+  call void @finch_str_drop(ptr %a1023)
+  %t1024 = load { ptr, i64, i64 }, ptr %a1019
+  store { ptr, i64, i64 } %t1024, ptr %a1026
+  store { ptr, i64, i64 } { ptr @.str.5134, i64 1, i64 0 }, ptr %a1027
+  call void @finch_str_concat(ptr %a1025, ptr %a1026, ptr %a1027)
+  store { ptr, i64, i64 } %t1024, ptr %a1028
+  call void @finch_str_drop(ptr %a1028)
+  %t1029 = load { ptr, i64, i64 }, ptr %a1025
+  call void @finch.gen.emit(ptr %t1005, { ptr, i64, i64 } %t1029)
+  store { ptr, i64, i64 } %t1029, ptr %a1030
+  call void @finch_str_drop(ptr %a1030)
+  %t1031 = load ptr, ptr %a1
+  %t1032 = icmp eq ptr %t1031, null
+  br i1 %t1032, label %panic7884, label %ok7885
+panic7884:
+  call void @finch_panic(ptr @.str.5135, i64 4743, ptr @.str.5136)
+  unreachable
+ok7885:
+  %t1033 = getelementptr inbounds %S.gen.Gen, ptr %t1031, i32 0, i32 40
+  %t1034 = load { ptr, i64, i64 }, ptr %t1033
+  %t1035 = load %S.ast.Node, ptr %a2
+  %t1036 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t1035)
+  store { ptr, i64, i64 } %t1034, ptr %a1037
+  store { ptr, i64, i64 } %t1036, ptr %a1038
+  %t1039 = call i32 @finch_str_eq(ptr %a1037, ptr %a1038)
+  %t1040 = icmp ne i32 %t1039, 0
+  store { ptr, i64, i64 } %t1036, ptr %a1041
+  call void @finch_str_drop(ptr %a1041)
+  br i1 %t1040, label %then7886, label %endif7888
+then7886:
+  %t1042 = load ptr, ptr %a1
+  %t1043 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1042, { ptr, i64, i64 } { ptr @.str.5137, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t1043, ptr %a1044
+  %t1045 = load ptr, ptr %a1
+  %t1046 = load { ptr, i64, i64 }, ptr %a1044
+  call void @finch.gen.store(ptr %t1045, { ptr, i64, i64 } { ptr @.str.5138, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5139, i64 15, i64 0 }, { ptr, i64, i64 } %t1046)
   %t1047 = load ptr, ptr %a1
-  %t1048 = load %S.ast.Node, ptr %a2
-  %t1049 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1047, %S.ast.Node %t1048, i64 0, i64 1, { ptr, i64, i64 } %t1049)
-  %t1050 = load ptr, ptr %a1
-  %t1051 = load ptr, ptr %a1
-  %t1052 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1053 = load { ptr, i64, i64 }, ptr %t1052
-  %t1054 = extractvalue { ptr, i64, i64 } %t1053, 1
-  %t1055 = icmp uge i64 0, %t1054
-  br i1 %t1055, label %range7519, label %inrange7520
-range7519:
-  call void @finch_panic_index(ptr @.str.4993, i64 4441, i64 0, i64 %t1054)
+  %t1048 = load { ptr, i64, i64 }, ptr %a1004
+  store { ptr, i64, i64 } { ptr @.str.5140, i64 36, i64 0 }, ptr %a1050
+  store { ptr, i64, i64 } %t1048, ptr %a1051
+  call void @finch_str_concat(ptr %a1049, ptr %a1050, ptr %a1051)
+  %t1052 = load { ptr, i64, i64 }, ptr %a1049
+  store { ptr, i64, i64 } %t1052, ptr %a1054
+  store { ptr, i64, i64 } { ptr @.str.5141, i64 6, i64 0 }, ptr %a1055
+  call void @finch_str_concat(ptr %a1053, ptr %a1054, ptr %a1055)
+  store { ptr, i64, i64 } %t1052, ptr %a1056
+  call void @finch_str_drop(ptr %a1056)
+  %t1057 = load { ptr, i64, i64 }, ptr %a1053
+  %t1058 = load { ptr, i64, i64 }, ptr %a1044
+  store { ptr, i64, i64 } %t1057, ptr %a1060
+  store { ptr, i64, i64 } %t1058, ptr %a1061
+  call void @finch_str_concat(ptr %a1059, ptr %a1060, ptr %a1061)
+  store { ptr, i64, i64 } %t1057, ptr %a1062
+  call void @finch_str_drop(ptr %a1062)
+  %t1063 = load { ptr, i64, i64 }, ptr %a1059
+  store { ptr, i64, i64 } %t1063, ptr %a1065
+  store { ptr, i64, i64 } { ptr @.str.5142, i64 1, i64 0 }, ptr %a1066
+  call void @finch_str_concat(ptr %a1064, ptr %a1065, ptr %a1066)
+  store { ptr, i64, i64 } %t1063, ptr %a1067
+  call void @finch_str_drop(ptr %a1067)
+  %t1068 = load { ptr, i64, i64 }, ptr %a1064
+  %t1069 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1047, { ptr, i64, i64 } %t1068)
+  store { ptr, i64, i64 } %t1068, ptr %a1070
+  call void @finch_str_drop(ptr %a1070)
+  store { ptr, i64, i64 } %t1069, ptr %a1071
+  %t1072 = load ptr, ptr %a1
+  %t1073 = load { ptr, i64, i64 }, ptr %a1071
+  store { ptr, i64, i64 } { ptr @.str.5143, i64 12, i64 0 }, ptr %a1075
+  store { ptr, i64, i64 } %t1073, ptr %a1076
+  call void @finch_str_concat(ptr %a1074, ptr %a1075, ptr %a1076)
+  %t1077 = load { ptr, i64, i64 }, ptr %a1074
+  store { ptr, i64, i64 } %t1077, ptr %a1079
+  store { ptr, i64, i64 } { ptr @.str.5144, i64 3, i64 0 }, ptr %a1080
+  call void @finch_str_concat(ptr %a1078, ptr %a1079, ptr %a1080)
+  store { ptr, i64, i64 } %t1077, ptr %a1081
+  call void @finch_str_drop(ptr %a1081)
+  %t1082 = load { ptr, i64, i64 }, ptr %a1078
+  %t1083 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1072, { ptr, i64, i64 } %t1082)
+  store { ptr, i64, i64 } %t1082, ptr %a1084
+  call void @finch_str_drop(ptr %a1084)
+  %t1085 = load ptr, ptr %a1
+  %t1086 = icmp eq ptr %t1085, null
+  br i1 %t1086, label %panic7889, label %ok7890
+panic7889:
+  call void @finch_panic(ptr @.str.5145, i64 4747, ptr @.str.5146)
   unreachable
-inrange7520:
-  %t1056 = extractvalue { ptr, i64, i64 } %t1053, 0
-  %t1057 = getelementptr inbounds %S.ast.Node, ptr %t1056, i64 0
-  %t1058 = load %S.ast.Node, ptr %t1057
-  %t1059 = call %S.gen.Val @finch.gen.expr(ptr %t1051, %S.ast.Node %t1058)
-  %t1060 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.4994, i64 3, i64 0 })
-  %t1061 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1062 = load { ptr, i64, i64 }, ptr %t1061
-  %t1063 = extractvalue { ptr, i64, i64 } %t1062, 1
-  %t1064 = icmp uge i64 0, %t1063
-  br i1 %t1064, label %range7521, label %inrange7522
-range7521:
-  call void @finch_panic_index(ptr @.str.4995, i64 4441, i64 0, i64 %t1063)
+ok7890:
+  %t1087 = getelementptr inbounds %S.gen.Gen, ptr %t1085, i32 0, i32 41
+  %t1088 = load { ptr, i64, i64 }, ptr %t1087
+  store { ptr, i64, i64 } %t1083, ptr %t1087
+  store { ptr, i64, i64 } %t1088, ptr %a1089
+  call void @finch_str_drop(ptr %a1089)
+  %t1090 = load ptr, ptr %a1
+  %t1091 = load { ptr, i64, i64 }, ptr %a1044
+  %t1092 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1090, { ptr, i64, i64 } { ptr @.str.5147, i64 17, i64 0 }, { ptr, i64, i64 } %t1091)
+  %t1093 = load ptr, ptr %a1
+  %t1094 = icmp eq ptr %t1093, null
+  br i1 %t1094, label %panic7891, label %ok7892
+panic7891:
+  call void @finch_panic(ptr @.str.5148, i64 4748, ptr @.str.5149)
   unreachable
-inrange7522:
-  %t1065 = extractvalue { ptr, i64, i64 } %t1062, 0
-  %t1066 = getelementptr inbounds %S.ast.Node, ptr %t1065, i64 0
-  %t1067 = load %S.ast.Node, ptr %t1066
-  %t1068 = call %S.gen.Val @finch.gen.coerce(ptr %t1050, %S.gen.Val %t1059, %S.ast.Type %t1060, %S.ast.Node %t1067, { ptr, i64, i64 } { ptr @.str.4996, i64 13, i64 0 })
-  store %S.gen.Val %t1068, ptr %a1069
-  %t1070 = load ptr, ptr %a1
-  %t1071 = getelementptr inbounds %S.gen.Val, ptr %a1069, i32 0, i32 0
-  %t1072 = load { ptr, i64, i64 }, ptr %t1071
-  store { ptr, i64, i64 } { ptr @.str.4997, i64 10, i64 0 }, ptr %a1074
-  store { ptr, i64, i64 } %t1072, ptr %a1075
-  call void @finch_str_concat(ptr %a1073, ptr %a1074, ptr %a1075)
-  %t1076 = load { ptr, i64, i64 }, ptr %a1073
-  store { ptr, i64, i64 } %t1076, ptr %a1078
-  store { ptr, i64, i64 } { ptr @.str.4998, i64 7, i64 0 }, ptr %a1079
-  call void @finch_str_concat(ptr %a1077, ptr %a1078, ptr %a1079)
-  %t1080 = load { ptr, i64, i64 }, ptr %a1077
-  %t1081 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1070, { ptr, i64, i64 } %t1080)
-  store { ptr, i64, i64 } %t1081, ptr %a1082
-  %t1083 = load ptr, ptr %a1
-  %t1084 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1083, { ptr, i64, i64 } { ptr @.str.4999, i64 26, i64 0 })
-  store { ptr, i64, i64 } %t1084, ptr %a1085
-  %t1086 = load ptr, ptr %a1
-  %t1087 = load { ptr, i64, i64 }, ptr %a1082
-  store { ptr, i64, i64 } { ptr @.str.5000, i64 20, i64 0 }, ptr %a1089
-  store { ptr, i64, i64 } %t1087, ptr %a1090
-  call void @finch_str_concat(ptr %a1088, ptr %a1089, ptr %a1090)
-  %t1091 = load { ptr, i64, i64 }, ptr %a1088
-  store { ptr, i64, i64 } %t1091, ptr %a1093
-  store { ptr, i64, i64 } { ptr @.str.5001, i64 1, i64 0 }, ptr %a1094
-  call void @finch_str_concat(ptr %a1092, ptr %a1093, ptr %a1094)
-  %t1095 = load { ptr, i64, i64 }, ptr %a1092
-  call void @finch.gen.emit(ptr %t1086, { ptr, i64, i64 } %t1095)
-  %t1096 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5002, i64 4, i64 0 })
-  %t1097 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1096, 1
-  ret %S.gen.Val %t1097
-endif7518:
-  %t1098 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1098, ptr %a1099
-  store { ptr, i64, i64 } { ptr @.str.5003, i64 5, i64 0 }, ptr %a1100
-  %t1101 = call i32 @finch_str_eq(ptr %a1099, ptr %a1100)
-  %t1102 = icmp ne i32 %t1101, 0
-  br i1 %t1102, label %then7523, label %endif7525
-then7523:
-  %t1103 = load ptr, ptr %a1
-  %t1104 = call %S.gen.Val @finch.gen.strConst(ptr %t1103, { ptr, i64, i64 } { ptr @.str.5004, i64 0, i64 0 })
-  store %S.gen.Val %t1104, ptr %a1105
-  %t1106 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1106, i32 0, i32 1
-  %t1108 = load i64, ptr %t1107
-  %t1109 = icmp sgt i64 %t1108, 0
-  br i1 %t1109, label %then7526, label %endif7528
-then7526:
-  %t1110 = load ptr, ptr %a1
-  %t1111 = load %S.ast.Node, ptr %a2
-  %t1112 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1110, %S.ast.Node %t1111, i64 0, i64 1, { ptr, i64, i64 } %t1112)
-  %t1113 = load ptr, ptr %a1
-  %t1114 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1115 = load { ptr, i64, i64 }, ptr %t1114
-  %t1116 = extractvalue { ptr, i64, i64 } %t1115, 1
-  %t1117 = icmp uge i64 0, %t1116
-  br i1 %t1117, label %range7529, label %inrange7530
-range7529:
-  call void @finch_panic_index(ptr @.str.5005, i64 4451, i64 0, i64 %t1116)
+ok7892:
+  %t1095 = getelementptr inbounds %S.gen.Gen, ptr %t1093, i32 0, i32 42
+  %t1096 = load { ptr, i64, i64 }, ptr %t1095
+  store { ptr, i64, i64 } %t1092, ptr %t1095
+  store { ptr, i64, i64 } %t1096, ptr %a1097
+  call void @finch_str_drop(ptr %a1097)
+  %t1098 = load ptr, ptr %a1
+  %t1099 = load { ptr, i64, i64 }, ptr %a1004
+  %t1100 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5150, i64 3, i64 0 })
+  call void @finch.gen.dropAt(ptr %t1098, { ptr, i64, i64 } %t1099, %S.ast.Type %t1100)
+  store %S.ast.Type %t1100, ptr %a1101
+  call void @finch.drop.S_ast_Type(ptr %a1101)
+  %t1102 = load ptr, ptr %a1
+  %t1103 = load %S.gen.Val, ptr %a1001
+  call void @finch.gen.release(ptr %t1102, %S.gen.Val %t1103)
+  %t1104 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5151, i64 4, i64 0 })
+  %t1105 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1104, 1
+  call void @finch_str_drop(ptr %a1071)
+  call void @finch_str_drop(ptr %a1044)
+  call void @finch_str_drop(ptr %a1004)
+  call void @finch.drop.S_gen_Val(ptr %a1001)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1105
+endif7888:
+  %t1106 = load ptr, ptr %a1
+  %t1107 = load { ptr, i64, i64 }, ptr %a1004
+  store { ptr, i64, i64 } { ptr @.str.5152, i64 32, i64 0 }, ptr %a1109
+  store { ptr, i64, i64 } %t1107, ptr %a1110
+  call void @finch_str_concat(ptr %a1108, ptr %a1109, ptr %a1110)
+  %t1111 = load { ptr, i64, i64 }, ptr %a1108
+  store { ptr, i64, i64 } %t1111, ptr %a1113
+  store { ptr, i64, i64 } { ptr @.str.5153, i64 1, i64 0 }, ptr %a1114
+  call void @finch_str_concat(ptr %a1112, ptr %a1113, ptr %a1114)
+  store { ptr, i64, i64 } %t1111, ptr %a1115
+  call void @finch_str_drop(ptr %a1115)
+  %t1116 = load { ptr, i64, i64 }, ptr %a1112
+  %t1117 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1106, { ptr, i64, i64 } %t1116)
+  store { ptr, i64, i64 } %t1116, ptr %a1118
+  call void @finch_str_drop(ptr %a1118)
+  store { ptr, i64, i64 } %t1117, ptr %a1119
+  %t1120 = load ptr, ptr %a1
+  %t1121 = load { ptr, i64, i64 }, ptr %a1004
+  %t1122 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5154, i64 3, i64 0 })
+  call void @finch.gen.dropAt(ptr %t1120, { ptr, i64, i64 } %t1121, %S.ast.Type %t1122)
+  store %S.ast.Type %t1122, ptr %a1123
+  call void @finch.drop.S_ast_Type(ptr %a1123)
+  %t1124 = load ptr, ptr %a1
+  %t1125 = load %S.gen.Val, ptr %a1001
+  call void @finch.gen.release(ptr %t1124, %S.gen.Val %t1125)
+  %t1126 = load ptr, ptr %a1
+  %t1127 = load { ptr, i64, i64 }, ptr %a1119
+  store { ptr, i64, i64 } { ptr @.str.5155, i64 12, i64 0 }, ptr %a1129
+  store { ptr, i64, i64 } %t1127, ptr %a1130
+  call void @finch_str_concat(ptr %a1128, ptr %a1129, ptr %a1130)
+  %t1131 = load { ptr, i64, i64 }, ptr %a1128
+  store { ptr, i64, i64 } %t1131, ptr %a1133
+  store { ptr, i64, i64 } { ptr @.str.5156, i64 3, i64 0 }, ptr %a1134
+  call void @finch_str_concat(ptr %a1132, ptr %a1133, ptr %a1134)
+  store { ptr, i64, i64 } %t1131, ptr %a1135
+  call void @finch_str_drop(ptr %a1135)
+  %t1136 = load { ptr, i64, i64 }, ptr %a1132
+  %t1137 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1126, { ptr, i64, i64 } %t1136)
+  store { ptr, i64, i64 } %t1136, ptr %a1138
+  call void @finch_str_drop(ptr %a1138)
+  %t1139 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1137, 0
+  %t1140 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5157, i64 4, i64 0 })
+  %t1141 = insertvalue %S.gen.Val %t1139, %S.ast.Type %t1140, 1
+  call void @finch_str_drop(ptr %a1119)
+  call void @finch_str_drop(ptr %a1004)
+  call void @finch.drop.S_gen_Val(ptr %a1001)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1141
+endif7881:
+  %t1142 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1142, ptr %a1143
+  store { ptr, i64, i64 } { ptr @.str.5158, i64 5, i64 0 }, ptr %a1144
+  %t1145 = call i32 @finch_str_eq(ptr %a1143, ptr %a1144)
+  %t1146 = icmp ne i32 %t1145, 0
+  br i1 %t1146, label %then7893, label %endif7895
+then7893:
+  %t1147 = load ptr, ptr %a1
+  %t1148 = load %S.ast.Node, ptr %a2
+  %t1149 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1147, %S.ast.Node %t1148, i64 0, i64 1, { ptr, i64, i64 } %t1149)
+  %t1150 = load ptr, ptr %a1
+  %t1151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1152 = load { ptr, i64, i64 }, ptr %t1151
+  %t1153 = extractvalue { ptr, i64, i64 } %t1152, 1
+  %t1154 = icmp uge i64 0, %t1153
+  br i1 %t1154, label %range7896, label %inrange7897
+range7896:
+  call void @finch_panic_index(ptr @.str.5159, i64 4760, i64 0, i64 %t1153)
   unreachable
-inrange7530:
-  %t1118 = extractvalue { ptr, i64, i64 } %t1115, 0
-  %t1119 = getelementptr inbounds %S.ast.Node, ptr %t1118, i64 0
-  %t1120 = load %S.ast.Node, ptr %t1119
-  %t1121 = call %S.gen.Val @finch.gen.strArg(ptr %t1113, %S.ast.Node %t1120, { ptr, i64, i64 } { ptr @.str.5006, i64 12, i64 0 })
-  store %S.gen.Val %t1121, ptr %a1105
-  br label %endif7528
-endif7528:
-  %t1122 = load ptr, ptr %a1
-  %t1123 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1122)
-  store { ptr, i64, i64 } %t1123, ptr %a1124
-  %t1125 = load ptr, ptr %a1
-  %t1126 = load { ptr, i64, i64 }, ptr %a1124
-  store { ptr, i64, i64 } { ptr @.str.5007, i64 27, i64 0 }, ptr %a1128
-  store { ptr, i64, i64 } %t1126, ptr %a1129
-  call void @finch_str_concat(ptr %a1127, ptr %a1128, ptr %a1129)
-  %t1130 = load { ptr, i64, i64 }, ptr %a1127
-  store { ptr, i64, i64 } %t1130, ptr %a1132
-  store { ptr, i64, i64 } { ptr @.str.5008, i64 6, i64 0 }, ptr %a1133
-  call void @finch_str_concat(ptr %a1131, ptr %a1132, ptr %a1133)
-  %t1134 = load { ptr, i64, i64 }, ptr %a1131
-  %t1135 = load ptr, ptr %a1
-  %t1136 = load %S.gen.Val, ptr %a1105
-  %t1137 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1135, %S.gen.Val %t1136)
-  store { ptr, i64, i64 } %t1134, ptr %a1139
-  store { ptr, i64, i64 } %t1137, ptr %a1140
-  call void @finch_str_concat(ptr %a1138, ptr %a1139, ptr %a1140)
-  %t1141 = load { ptr, i64, i64 }, ptr %a1138
-  store { ptr, i64, i64 } %t1141, ptr %a1143
-  store { ptr, i64, i64 } { ptr @.str.5009, i64 1, i64 0 }, ptr %a1144
-  call void @finch_str_concat(ptr %a1142, ptr %a1143, ptr %a1144)
-  %t1145 = load { ptr, i64, i64 }, ptr %a1142
-  call void @finch.gen.emit(ptr %t1125, { ptr, i64, i64 } %t1145)
-  %t1146 = load ptr, ptr %a1
-  %t1147 = load { ptr, i64, i64 }, ptr %a1124
-  %t1148 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1146, { ptr, i64, i64 } { ptr @.str.5010, i64 17, i64 0 }, { ptr, i64, i64 } %t1147)
-  %t1149 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1148, 0
-  %t1150 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5011, i64 3, i64 0 })
-  %t1151 = insertvalue %S.gen.Val %t1149, %S.ast.Type %t1150, 1
-  %t1152 = insertvalue %S.gen.Val %t1151, i1 true, 2
-  ret %S.gen.Val %t1152
-endif7525:
-  %t1153 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1153, ptr %a1154
-  store { ptr, i64, i64 } { ptr @.str.5012, i64 3, i64 0 }, ptr %a1155
-  %t1156 = call i32 @finch_str_eq(ptr %a1154, ptr %a1155)
-  %t1157 = icmp ne i32 %t1156, 0
-  br i1 %t1157, label %then7531, label %endif7533
-then7531:
-  %t1158 = load ptr, ptr %a1
-  %t1159 = load %S.ast.Node, ptr %a2
-  %t1160 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1158, %S.ast.Node %t1159, i64 0, i64 1, { ptr, i64, i64 } %t1160)
-  %t1161 = load ptr, ptr %a1
-  %t1162 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1163 = load { ptr, i64, i64 }, ptr %t1162
-  %t1164 = extractvalue { ptr, i64, i64 } %t1163, 1
-  %t1165 = icmp uge i64 0, %t1164
-  br i1 %t1165, label %range7534, label %inrange7535
-range7534:
-  call void @finch_panic_index(ptr @.str.5013, i64 4459, i64 0, i64 %t1164)
+inrange7897:
+  %t1155 = extractvalue { ptr, i64, i64 } %t1152, 0
+  %t1156 = getelementptr inbounds %S.ast.Node, ptr %t1155, i64 0
+  %t1157 = load %S.ast.Node, ptr %t1156
+  %t1158 = call %S.gen.Val @finch.gen.strArg(ptr %t1150, %S.ast.Node %t1157, { ptr, i64, i64 } { ptr @.str.5160, i64 11, i64 0 })
+  store %S.gen.Val %t1158, ptr %a1159
+  %t1160 = load ptr, ptr %a1
+  %t1161 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1160)
+  store { ptr, i64, i64 } %t1161, ptr %a1162
+  %t1163 = load ptr, ptr %a1
+  %t1164 = load { ptr, i64, i64 }, ptr %a1162
+  store { ptr, i64, i64 } { ptr @.str.5161, i64 30, i64 0 }, ptr %a1166
+  store { ptr, i64, i64 } %t1164, ptr %a1167
+  call void @finch_str_concat(ptr %a1165, ptr %a1166, ptr %a1167)
+  %t1168 = load { ptr, i64, i64 }, ptr %a1165
+  store { ptr, i64, i64 } %t1168, ptr %a1170
+  store { ptr, i64, i64 } { ptr @.str.5162, i64 6, i64 0 }, ptr %a1171
+  call void @finch_str_concat(ptr %a1169, ptr %a1170, ptr %a1171)
+  store { ptr, i64, i64 } %t1168, ptr %a1172
+  call void @finch_str_drop(ptr %a1172)
+  %t1173 = load { ptr, i64, i64 }, ptr %a1169
+  %t1174 = load ptr, ptr %a1
+  %t1175 = load %S.gen.Val, ptr %a1159
+  %t1176 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1174, %S.gen.Val %t1175)
+  store { ptr, i64, i64 } %t1173, ptr %a1178
+  store { ptr, i64, i64 } %t1176, ptr %a1179
+  call void @finch_str_concat(ptr %a1177, ptr %a1178, ptr %a1179)
+  store { ptr, i64, i64 } %t1173, ptr %a1180
+  call void @finch_str_drop(ptr %a1180)
+  store { ptr, i64, i64 } %t1176, ptr %a1181
+  call void @finch_str_drop(ptr %a1181)
+  %t1182 = load { ptr, i64, i64 }, ptr %a1177
+  store { ptr, i64, i64 } %t1182, ptr %a1184
+  store { ptr, i64, i64 } { ptr @.str.5163, i64 1, i64 0 }, ptr %a1185
+  call void @finch_str_concat(ptr %a1183, ptr %a1184, ptr %a1185)
+  store { ptr, i64, i64 } %t1182, ptr %a1186
+  call void @finch_str_drop(ptr %a1186)
+  %t1187 = load { ptr, i64, i64 }, ptr %a1183
+  call void @finch.gen.emit(ptr %t1163, { ptr, i64, i64 } %t1187)
+  store { ptr, i64, i64 } %t1187, ptr %a1188
+  call void @finch_str_drop(ptr %a1188)
+  %t1189 = load ptr, ptr %a1
+  %t1190 = load { ptr, i64, i64 }, ptr %a1162
+  store { ptr, i64, i64 } { ptr @.str.5164, i64 26, i64 0 }, ptr %a1192
+  store { ptr, i64, i64 } %t1190, ptr %a1193
+  call void @finch_str_concat(ptr %a1191, ptr %a1192, ptr %a1193)
+  %t1194 = load { ptr, i64, i64 }, ptr %a1191
+  store { ptr, i64, i64 } %t1194, ptr %a1196
+  store { ptr, i64, i64 } { ptr @.str.5165, i64 1, i64 0 }, ptr %a1197
+  call void @finch_str_concat(ptr %a1195, ptr %a1196, ptr %a1197)
+  store { ptr, i64, i64 } %t1194, ptr %a1198
+  call void @finch_str_drop(ptr %a1198)
+  %t1199 = load { ptr, i64, i64 }, ptr %a1195
+  %t1200 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1189, { ptr, i64, i64 } %t1199)
+  store { ptr, i64, i64 } %t1199, ptr %a1201
+  call void @finch_str_drop(ptr %a1201)
+  store { ptr, i64, i64 } %t1200, ptr %a1202
+  %t1203 = load ptr, ptr %a1
+  %t1204 = load { ptr, i64, i64 }, ptr %a1162
+  %t1205 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5166, i64 3, i64 0 })
+  call void @finch.gen.dropAt(ptr %t1203, { ptr, i64, i64 } %t1204, %S.ast.Type %t1205)
+  store %S.ast.Type %t1205, ptr %a1206
+  call void @finch.drop.S_ast_Type(ptr %a1206)
+  %t1207 = load ptr, ptr %a1
+  %t1208 = load %S.gen.Val, ptr %a1159
+  call void @finch.gen.release(ptr %t1207, %S.gen.Val %t1208)
+  %t1209 = load { ptr, i64, i64 }, ptr %a1202
+  store { ptr, i64, i64 } %t1209, ptr %a1210
+  call void @finch_str_copy(ptr %a1211, ptr %a1210)
+  %t1212 = load { ptr, i64, i64 }, ptr %a1211
+  %t1213 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1212, 0
+  %t1214 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5167, i64 3, i64 0 })
+  %t1215 = insertvalue %S.gen.Val %t1213, %S.ast.Type %t1214, 1
+  call void @finch_str_drop(ptr %a1202)
+  call void @finch_str_drop(ptr %a1162)
+  call void @finch.drop.S_gen_Val(ptr %a1159)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1215
+endif7895:
+  %t1216 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1216, ptr %a1217
+  store { ptr, i64, i64 } { ptr @.str.5168, i64 4, i64 0 }, ptr %a1218
+  %t1219 = call i32 @finch_str_eq(ptr %a1217, ptr %a1218)
+  %t1220 = icmp ne i32 %t1219, 0
+  br i1 %t1220, label %then7898, label %endif7900
+then7898:
+  %t1221 = load ptr, ptr %a1
+  %t1222 = load %S.ast.Node, ptr %a2
+  %t1223 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1221, %S.ast.Node %t1222, i64 0, i64 1, { ptr, i64, i64 } %t1223)
+  %t1224 = load ptr, ptr %a1
+  %t1225 = load ptr, ptr %a1
+  %t1226 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1227 = load { ptr, i64, i64 }, ptr %t1226
+  %t1228 = extractvalue { ptr, i64, i64 } %t1227, 1
+  %t1229 = icmp uge i64 0, %t1228
+  br i1 %t1229, label %range7901, label %inrange7902
+range7901:
+  call void @finch_panic_index(ptr @.str.5169, i64 4770, i64 0, i64 %t1228)
   unreachable
-inrange7535:
-  %t1166 = extractvalue { ptr, i64, i64 } %t1163, 0
-  %t1167 = getelementptr inbounds %S.ast.Node, ptr %t1166, i64 0
-  %t1168 = load %S.ast.Node, ptr %t1167
-  %t1169 = call %S.gen.Val @finch.gen.expr(ptr %t1161, %S.ast.Node %t1168)
-  store %S.gen.Val %t1169, ptr %a1170
-  %t1171 = load ptr, ptr %a1
-  %t1172 = load ptr, ptr %a1
-  %t1173 = getelementptr inbounds %S.gen.Val, ptr %a1170, i32 0, i32 1
-  %t1174 = load %S.ast.Type, ptr %t1173
-  %t1175 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1172, %S.ast.Type %t1174)
-  store { ptr, i64, i64 } { ptr @.str.5014, i64 26, i64 0 }, ptr %a1177
-  store { ptr, i64, i64 } %t1175, ptr %a1178
-  call void @finch_str_concat(ptr %a1176, ptr %a1177, ptr %a1178)
-  %t1179 = load { ptr, i64, i64 }, ptr %a1176
-  store { ptr, i64, i64 } %t1179, ptr %a1181
-  store { ptr, i64, i64 } { ptr @.str.5015, i64 1, i64 0 }, ptr %a1182
-  call void @finch_str_concat(ptr %a1180, ptr %a1181, ptr %a1182)
-  %t1183 = load { ptr, i64, i64 }, ptr %a1180
-  %t1184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1171, { ptr, i64, i64 } %t1183)
-  store { ptr, i64, i64 } %t1184, ptr %a1185
-  %t1186 = load ptr, ptr %a1
-  %t1187 = load ptr, ptr %a1
-  %t1188 = getelementptr inbounds %S.gen.Val, ptr %a1170, i32 0, i32 1
-  %t1189 = load %S.ast.Type, ptr %t1188
-  %t1190 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1187, %S.ast.Type %t1189)
-  %t1191 = load ptr, ptr %a1
-  %t1192 = load %S.gen.Val, ptr %a1170
-  %t1193 = call { ptr, i64, i64 } @finch.gen.own(ptr %t1191, %S.gen.Val %t1192)
-  %t1194 = load { ptr, i64, i64 }, ptr %a1185
-  call void @finch.gen.store(ptr %t1186, { ptr, i64, i64 } %t1190, { ptr, i64, i64 } %t1193, { ptr, i64, i64 } %t1194)
-  %t1195 = load { ptr, i64, i64 }, ptr %a1185
-  store { ptr, i64, i64 } %t1195, ptr %a1196
-  call void @finch_str_copy(ptr %a1197, ptr %a1196)
-  %t1198 = load { ptr, i64, i64 }, ptr %a1197
-  %t1199 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1198, 0
-  %t1200 = getelementptr inbounds %S.gen.Val, ptr %a1170, i32 0, i32 1
-  %t1201 = load %S.ast.Type, ptr %t1200
-  %t1202 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t1201)
-  %t1203 = insertvalue %S.gen.Val %t1199, %S.ast.Type %t1202, 1
-  ret %S.gen.Val %t1203
-endif7533:
-  %t1204 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1204, ptr %a1205
-  store { ptr, i64, i64 } { ptr @.str.5016, i64 4, i64 0 }, ptr %a1206
-  %t1207 = call i32 @finch_str_eq(ptr %a1205, ptr %a1206)
-  %t1208 = icmp ne i32 %t1207, 0
-  br i1 %t1208, label %then7536, label %endif7538
-then7536:
-  %t1209 = load ptr, ptr %a1
-  %t1210 = load %S.ast.Node, ptr %a2
-  %t1211 = load { ptr, i64, i64 }, ptr %a8
-  call void @finch.gen.checkArgs(ptr %t1209, %S.ast.Node %t1210, i64 0, i64 1, { ptr, i64, i64 } %t1211)
-  %t1212 = load ptr, ptr %a1
-  %t1213 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1214 = load { ptr, i64, i64 }, ptr %t1213
-  %t1215 = extractvalue { ptr, i64, i64 } %t1214, 1
-  %t1216 = icmp uge i64 0, %t1215
-  br i1 %t1216, label %range7539, label %inrange7540
-range7539:
-  call void @finch_panic_index(ptr @.str.5017, i64 4466, i64 0, i64 %t1215)
+inrange7902:
+  %t1230 = extractvalue { ptr, i64, i64 } %t1227, 0
+  %t1231 = getelementptr inbounds %S.ast.Node, ptr %t1230, i64 0
+  %t1232 = load %S.ast.Node, ptr %t1231
+  %t1233 = call %S.gen.Val @finch.gen.expr(ptr %t1225, %S.ast.Node %t1232)
+  %t1234 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5170, i64 3, i64 0 })
+  %t1235 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1236 = load { ptr, i64, i64 }, ptr %t1235
+  %t1237 = extractvalue { ptr, i64, i64 } %t1236, 1
+  %t1238 = icmp uge i64 0, %t1237
+  br i1 %t1238, label %range7903, label %inrange7904
+range7903:
+  call void @finch_panic_index(ptr @.str.5171, i64 4770, i64 0, i64 %t1237)
   unreachable
-inrange7540:
-  %t1217 = extractvalue { ptr, i64, i64 } %t1214, 0
-  %t1218 = getelementptr inbounds %S.ast.Node, ptr %t1217, i64 0
-  %t1219 = load %S.ast.Node, ptr %t1218
-  %t1220 = call %S.gen.Val @finch.gen.expr(ptr %t1212, %S.ast.Node %t1219)
-  store %S.gen.Val %t1220, ptr %a1221
-  %t1222 = getelementptr inbounds %S.gen.Val, ptr %a1221, i32 0, i32 1
-  %t1223 = getelementptr inbounds %S.ast.Type, ptr %t1222, i32 0, i32 0
-  %t1224 = load { ptr, i64, i64 }, ptr %t1223
-  store { ptr, i64, i64 } %t1224, ptr %a1225
-  store { ptr, i64, i64 } { ptr @.str.5018, i64 3, i64 0 }, ptr %a1226
-  %t1227 = call i32 @finch_str_eq(ptr %a1225, ptr %a1226)
-  %t1228 = icmp eq i32 %t1227, 0
-  br i1 %t1228, label %then7541, label %endif7543
-then7541:
-  %t1229 = load ptr, ptr %a1
-  %t1230 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1231 = load { ptr, i64, i64 }, ptr %t1230
-  %t1232 = extractvalue { ptr, i64, i64 } %t1231, 1
-  %t1233 = icmp uge i64 0, %t1232
-  br i1 %t1233, label %range7544, label %inrange7545
-range7544:
-  call void @finch_panic_index(ptr @.str.5019, i64 4468, i64 0, i64 %t1232)
+inrange7904:
+  %t1239 = extractvalue { ptr, i64, i64 } %t1236, 0
+  %t1240 = getelementptr inbounds %S.ast.Node, ptr %t1239, i64 0
+  %t1241 = load %S.ast.Node, ptr %t1240
+  %t1242 = call %S.gen.Val @finch.gen.coerce(ptr %t1224, %S.gen.Val %t1233, %S.ast.Type %t1234, %S.ast.Node %t1241, { ptr, i64, i64 } { ptr @.str.5172, i64 13, i64 0 })
+  store %S.gen.Val %t1233, ptr %a1243
+  call void @finch.drop.S_gen_Val(ptr %a1243)
+  store %S.ast.Type %t1234, ptr %a1244
+  call void @finch.drop.S_ast_Type(ptr %a1244)
+  store %S.gen.Val %t1242, ptr %a1245
+  %t1246 = load ptr, ptr %a1
+  %t1247 = getelementptr inbounds %S.gen.Val, ptr %a1245, i32 0, i32 0
+  %t1248 = load { ptr, i64, i64 }, ptr %t1247
+  store { ptr, i64, i64 } { ptr @.str.5173, i64 10, i64 0 }, ptr %a1250
+  store { ptr, i64, i64 } %t1248, ptr %a1251
+  call void @finch_str_concat(ptr %a1249, ptr %a1250, ptr %a1251)
+  %t1252 = load { ptr, i64, i64 }, ptr %a1249
+  store { ptr, i64, i64 } %t1252, ptr %a1254
+  store { ptr, i64, i64 } { ptr @.str.5174, i64 7, i64 0 }, ptr %a1255
+  call void @finch_str_concat(ptr %a1253, ptr %a1254, ptr %a1255)
+  store { ptr, i64, i64 } %t1252, ptr %a1256
+  call void @finch_str_drop(ptr %a1256)
+  %t1257 = load { ptr, i64, i64 }, ptr %a1253
+  %t1258 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1246, { ptr, i64, i64 } %t1257)
+  store { ptr, i64, i64 } %t1257, ptr %a1259
+  call void @finch_str_drop(ptr %a1259)
+  store { ptr, i64, i64 } %t1258, ptr %a1260
+  %t1261 = load ptr, ptr %a1
+  %t1262 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1261, { ptr, i64, i64 } { ptr @.str.5175, i64 26, i64 0 })
+  store { ptr, i64, i64 } %t1262, ptr %a1263
+  %t1264 = load ptr, ptr %a1
+  %t1265 = load { ptr, i64, i64 }, ptr %a1260
+  store { ptr, i64, i64 } { ptr @.str.5176, i64 20, i64 0 }, ptr %a1267
+  store { ptr, i64, i64 } %t1265, ptr %a1268
+  call void @finch_str_concat(ptr %a1266, ptr %a1267, ptr %a1268)
+  %t1269 = load { ptr, i64, i64 }, ptr %a1266
+  store { ptr, i64, i64 } %t1269, ptr %a1271
+  store { ptr, i64, i64 } { ptr @.str.5177, i64 1, i64 0 }, ptr %a1272
+  call void @finch_str_concat(ptr %a1270, ptr %a1271, ptr %a1272)
+  store { ptr, i64, i64 } %t1269, ptr %a1273
+  call void @finch_str_drop(ptr %a1273)
+  %t1274 = load { ptr, i64, i64 }, ptr %a1270
+  call void @finch.gen.emit(ptr %t1264, { ptr, i64, i64 } %t1274)
+  store { ptr, i64, i64 } %t1274, ptr %a1275
+  call void @finch_str_drop(ptr %a1275)
+  %t1276 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5178, i64 4, i64 0 })
+  %t1277 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1276, 1
+  call void @finch_str_drop(ptr %a1263)
+  call void @finch_str_drop(ptr %a1260)
+  call void @finch.drop.S_gen_Val(ptr %a1245)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1277
+endif7900:
+  %t1278 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1278, ptr %a1279
+  store { ptr, i64, i64 } { ptr @.str.5179, i64 5, i64 0 }, ptr %a1280
+  %t1281 = call i32 @finch_str_eq(ptr %a1279, ptr %a1280)
+  %t1282 = icmp ne i32 %t1281, 0
+  br i1 %t1282, label %then7905, label %endif7907
+then7905:
+  %t1283 = load ptr, ptr %a1
+  %t1284 = call %S.gen.Val @finch.gen.strConst(ptr %t1283, { ptr, i64, i64 } { ptr @.str.5180, i64 0, i64 0 })
+  store %S.gen.Val %t1284, ptr %a1285
+  %t1286 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1286, i32 0, i32 1
+  %t1288 = load i64, ptr %t1287
+  %t1289 = icmp sgt i64 %t1288, 0
+  br i1 %t1289, label %then7908, label %endif7910
+then7908:
+  %t1290 = load ptr, ptr %a1
+  %t1291 = load %S.ast.Node, ptr %a2
+  %t1292 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1290, %S.ast.Node %t1291, i64 0, i64 1, { ptr, i64, i64 } %t1292)
+  %t1293 = load ptr, ptr %a1
+  %t1294 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1295 = load { ptr, i64, i64 }, ptr %t1294
+  %t1296 = extractvalue { ptr, i64, i64 } %t1295, 1
+  %t1297 = icmp uge i64 0, %t1296
+  br i1 %t1297, label %range7911, label %inrange7912
+range7911:
+  call void @finch_panic_index(ptr @.str.5181, i64 4780, i64 0, i64 %t1296)
   unreachable
-inrange7545:
-  %t1234 = extractvalue { ptr, i64, i64 } %t1231, 0
-  %t1235 = getelementptr inbounds %S.ast.Node, ptr %t1234, i64 0
-  %t1236 = load %S.ast.Node, ptr %t1235
-  call void @finch.gen.fail(ptr %t1229, %S.ast.Node %t1236, { ptr, i64, i64 } { ptr @.str.5020, i64 119, i64 0 })
-  br label %endif7543
-endif7543:
-  %t1237 = load ptr, ptr %a1
-  %t1238 = getelementptr inbounds %S.gen.Val, ptr %a1221, i32 0, i32 0
-  %t1239 = load { ptr, i64, i64 }, ptr %t1238
-  store { ptr, i64, i64 } { ptr @.str.5021, i64 20, i64 0 }, ptr %a1241
-  store { ptr, i64, i64 } %t1239, ptr %a1242
-  call void @finch_str_concat(ptr %a1240, ptr %a1241, ptr %a1242)
-  %t1243 = load { ptr, i64, i64 }, ptr %a1240
-  store { ptr, i64, i64 } %t1243, ptr %a1245
-  store { ptr, i64, i64 } { ptr @.str.5022, i64 1, i64 0 }, ptr %a1246
-  call void @finch_str_concat(ptr %a1244, ptr %a1245, ptr %a1246)
-  %t1247 = load { ptr, i64, i64 }, ptr %a1244
-  call void @finch.gen.emit(ptr %t1237, { ptr, i64, i64 } %t1247)
-  %t1248 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5023, i64 4, i64 0 })
-  %t1249 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1248, 1
-  ret %S.gen.Val %t1249
-endif7538:
-  %t1250 = load ptr, ptr %a1
-  %t1251 = load ptr, ptr %a1
-  %t1252 = icmp eq ptr %t1251, null
-  br i1 %t1252, label %panic7546, label %ok7547
-panic7546:
-  call void @finch_panic(ptr @.str.5024, i64 4473, ptr @.str.5025)
-  unreachable
-ok7547:
-  %t1253 = getelementptr inbounds %S.gen.Gen, ptr %t1251, i32 0, i32 13
-  %t1254 = load { ptr, i64, i64 }, ptr %t1253
-  %t1255 = load { ptr, i64, i64 }, ptr %a8
-  %t1256 = call i64 @finch.gen.findFn(ptr %t1250, { ptr, i64, i64 } %t1254, { ptr, i64, i64 } %t1255)
-  store i64 %t1256, ptr %a1257
-  %t1258 = load i64, ptr %a1257
-  %t1259 = icmp sge i64 %t1258, 0
-  br i1 %t1259, label %then7548, label %endif7550
-then7548:
-  %t1260 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t1261 = getelementptr inbounds %S.ast.Type, ptr %t1260, i32 0, i32 1
-  %t1262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1261, i32 0, i32 1
-  %t1263 = load i64, ptr %t1262
-  %t1264 = icmp sgt i64 %t1263, 0
-  br i1 %t1264, label %then7551, label %endif7553
-then7551:
-  %t1265 = load ptr, ptr %a1
-  %t1266 = load %S.ast.Node, ptr %a2
-  %t1267 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5026, i64 1, i64 0 }, ptr %a1269
-  store { ptr, i64, i64 } %t1267, ptr %a1270
-  call void @finch_str_concat(ptr %a1268, ptr %a1269, ptr %a1270)
-  %t1271 = load { ptr, i64, i64 }, ptr %a1268
-  store { ptr, i64, i64 } %t1271, ptr %a1273
-  store { ptr, i64, i64 } { ptr @.str.5027, i64 47, i64 0 }, ptr %a1274
-  call void @finch_str_concat(ptr %a1272, ptr %a1273, ptr %a1274)
-  %t1275 = load { ptr, i64, i64 }, ptr %a1272
-  call void @finch.gen.fail(ptr %t1265, %S.ast.Node %t1266, { ptr, i64, i64 } %t1275)
-  br label %endif7553
-endif7553:
-  %t1276 = load ptr, ptr %a1
-  %t1277 = load i64, ptr %a1257
-  %t1278 = load %S.ast.Node, ptr %a2
-  %t1279 = load { ptr, i64, i64 }, ptr %a8
-  %t1280 = call %S.gen.Val @finch.gen.callFn(ptr %t1276, i64 %t1277, %S.ast.Node %t1278, i64 0, { ptr, i64, i64 } %t1279, { ptr, i64, i64 } { ptr @.str.5028, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5029, i64 0, i64 0 })
-  ret %S.gen.Val %t1280
-endif7550:
-  %t1281 = load ptr, ptr %a1
-  %t1282 = load ptr, ptr %a1
-  %t1283 = icmp eq ptr %t1282, null
-  br i1 %t1283, label %panic7554, label %ok7555
-panic7554:
-  call void @finch_panic(ptr @.str.5030, i64 4480, ptr @.str.5031)
-  unreachable
-ok7555:
-  %t1284 = getelementptr inbounds %S.gen.Gen, ptr %t1282, i32 0, i32 13
-  %t1285 = load { ptr, i64, i64 }, ptr %t1284
-  %t1286 = load { ptr, i64, i64 }, ptr %a8
-  %t1287 = call i64 @finch.gen.findTemplate(ptr %t1281, { ptr, i64, i64 } %t1285, { ptr, i64, i64 } %t1286, { ptr, i64, i64 } { ptr @.str.5032, i64 0, i64 0 }, i1 false)
-  store i64 %t1287, ptr %a1288
-  %t1289 = load i64, ptr %a1288
-  %t1290 = icmp sge i64 %t1289, 0
-  br i1 %t1290, label %then7556, label %endif7558
-then7556:
-  %t1291 = load ptr, ptr %a1
-  %t1292 = load %S.ast.Node, ptr %a2
-  %t1293 = load i64, ptr %a1288
-  %t1294 = load { ptr, i64, i64 }, ptr %a8
-  %t1295 = call %S.gen.Val @finch.gen.genericCall(ptr %t1291, %S.ast.Node %t1292, i64 %t1293, i64 0, { ptr, i64, i64 } %t1294)
-  ret %S.gen.Val %t1295
-endif7558:
-  %t1296 = load ptr, ptr %a1
-  %t1297 = load ptr, ptr %a1
-  %t1298 = icmp eq ptr %t1297, null
-  br i1 %t1298, label %panic7559, label %ok7560
-panic7559:
-  call void @finch_panic(ptr @.str.5033, i64 4484, ptr @.str.5034)
-  unreachable
-ok7560:
-  %t1299 = getelementptr inbounds %S.gen.Gen, ptr %t1297, i32 0, i32 13
-  %t1300 = load { ptr, i64, i64 }, ptr %t1299
-  %t1301 = load { ptr, i64, i64 }, ptr %a8
-  %t1302 = call i64 @finch.gen.findTemplate(ptr %t1296, { ptr, i64, i64 } %t1300, { ptr, i64, i64 } %t1301, { ptr, i64, i64 } { ptr @.str.5035, i64 0, i64 0 }, i1 true)
-  %t1303 = icmp sge i64 %t1302, 0
-  br i1 %t1303, label %then7561, label %endif7563
-then7561:
-  %t1304 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t1305 = getelementptr inbounds %S.ast.Type, ptr %t1304, i32 0, i32 1
-  %t1306 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1305, i32 0, i32 1
-  %t1307 = load i64, ptr %t1306
-  %t1308 = icmp eq i64 %t1307, 0
-  br i1 %t1308, label %then7564, label %endif7566
-then7564:
-  %t1309 = load ptr, ptr %a1
-  %t1310 = load %S.ast.Node, ptr %a2
-  %t1311 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5036, i64 1, i64 0 }, ptr %a1313
-  store { ptr, i64, i64 } %t1311, ptr %a1314
-  call void @finch_str_concat(ptr %a1312, ptr %a1313, ptr %a1314)
-  %t1315 = load { ptr, i64, i64 }, ptr %a1312
-  store { ptr, i64, i64 } %t1315, ptr %a1317
-  store { ptr, i64, i64 } { ptr @.str.5037, i64 42, i64 0 }, ptr %a1318
-  call void @finch_str_concat(ptr %a1316, ptr %a1317, ptr %a1318)
-  %t1319 = load { ptr, i64, i64 }, ptr %a1316
-  %t1320 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1319, ptr %a1322
+inrange7912:
+  %t1298 = extractvalue { ptr, i64, i64 } %t1295, 0
+  %t1299 = getelementptr inbounds %S.ast.Node, ptr %t1298, i64 0
+  %t1300 = load %S.ast.Node, ptr %t1299
+  %t1301 = call %S.gen.Val @finch.gen.strArg(ptr %t1293, %S.ast.Node %t1300, { ptr, i64, i64 } { ptr @.str.5182, i64 12, i64 0 })
+  %t1302 = load %S.gen.Val, ptr %a1285
+  store %S.gen.Val %t1301, ptr %a1285
+  store %S.gen.Val %t1302, ptr %a1303
+  call void @finch.drop.S_gen_Val(ptr %a1303)
+  br label %endif7910
+endif7910:
+  %t1304 = load ptr, ptr %a1
+  %t1305 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t1304)
+  store { ptr, i64, i64 } %t1305, ptr %a1306
+  %t1307 = load ptr, ptr %a1
+  %t1308 = load { ptr, i64, i64 }, ptr %a1306
+  store { ptr, i64, i64 } { ptr @.str.5183, i64 27, i64 0 }, ptr %a1310
+  store { ptr, i64, i64 } %t1308, ptr %a1311
+  call void @finch_str_concat(ptr %a1309, ptr %a1310, ptr %a1311)
+  %t1312 = load { ptr, i64, i64 }, ptr %a1309
+  store { ptr, i64, i64 } %t1312, ptr %a1314
+  store { ptr, i64, i64 } { ptr @.str.5184, i64 6, i64 0 }, ptr %a1315
+  call void @finch_str_concat(ptr %a1313, ptr %a1314, ptr %a1315)
+  store { ptr, i64, i64 } %t1312, ptr %a1316
+  call void @finch_str_drop(ptr %a1316)
+  %t1317 = load { ptr, i64, i64 }, ptr %a1313
+  %t1318 = load ptr, ptr %a1
+  %t1319 = load %S.gen.Val, ptr %a1285
+  %t1320 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t1318, %S.gen.Val %t1319)
+  store { ptr, i64, i64 } %t1317, ptr %a1322
   store { ptr, i64, i64 } %t1320, ptr %a1323
   call void @finch_str_concat(ptr %a1321, ptr %a1322, ptr %a1323)
-  %t1324 = load { ptr, i64, i64 }, ptr %a1321
-  store { ptr, i64, i64 } %t1324, ptr %a1326
-  store { ptr, i64, i64 } { ptr @.str.5038, i64 10, i64 0 }, ptr %a1327
-  call void @finch_str_concat(ptr %a1325, ptr %a1326, ptr %a1327)
-  %t1328 = load { ptr, i64, i64 }, ptr %a1325
-  call void @finch.gen.fail(ptr %t1309, %S.ast.Node %t1310, { ptr, i64, i64 } %t1328)
-  br label %endif7566
-endif7566:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a1329
-  %t1330 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
-  %t1331 = getelementptr inbounds %S.ast.Type, ptr %t1330, i32 0, i32 1
-  store i64 0, ptr %a1332
-  br label %each.cond7567
-each.cond7567:
-  %t1333 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1331, i32 0, i32 1
-  %t1334 = load i64, ptr %t1333
-  %t1335 = load i64, ptr %a1332
-  %t1336 = icmp slt i64 %t1335, %t1334
-  br i1 %t1336, label %each.body7568, label %each.end7570
-each.body7568:
-  %t1337 = load ptr, ptr %t1331
-  %t1338 = getelementptr inbounds %S.ast.Type, ptr %t1337, i64 %t1335
-  %t1339 = load %S.ast.Type, ptr %t1338
-  store %S.ast.Type %t1339, ptr %a1340
-  %t1341 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1329, i32 0, i32 1
-  %t1342 = load ptr, ptr %a1
-  %t1343 = load %S.ast.Type, ptr %a1340
-  %t1344 = load %S.ast.Node, ptr %a2
-  %t1345 = call %S.ast.Type @finch.gen.resolve(ptr %t1342, %S.ast.Type %t1343, %S.ast.Node %t1344)
-  %t1346 = load i64, ptr %t1341
-  %t1347 = add i64 %t1346, 1
-  call void @finch_arr_reserve(ptr %a1329, i64 %t1347, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t1348 = load ptr, ptr %a1329
-  %t1349 = getelementptr inbounds %S.ast.Type, ptr %t1348, i64 %t1346
-  store %S.ast.Type %t1345, ptr %t1349
-  store i64 %t1347, ptr %t1341
-  br label %each.step7569
-each.step7569:
-  %t1350 = load i64, ptr %a1332
-  %t1351 = add i64 %t1350, 1
-  store i64 %t1351, ptr %a1332
-  br label %each.cond7567
-each.end7570:
-  %t1352 = load ptr, ptr %a1
-  %t1353 = load ptr, ptr %a1
-  %t1354 = icmp eq ptr %t1353, null
-  br i1 %t1354, label %panic7571, label %ok7572
-panic7571:
-  call void @finch_panic(ptr @.str.5039, i64 4493, ptr @.str.5040)
+  store { ptr, i64, i64 } %t1317, ptr %a1324
+  call void @finch_str_drop(ptr %a1324)
+  store { ptr, i64, i64 } %t1320, ptr %a1325
+  call void @finch_str_drop(ptr %a1325)
+  %t1326 = load { ptr, i64, i64 }, ptr %a1321
+  store { ptr, i64, i64 } %t1326, ptr %a1328
+  store { ptr, i64, i64 } { ptr @.str.5185, i64 1, i64 0 }, ptr %a1329
+  call void @finch_str_concat(ptr %a1327, ptr %a1328, ptr %a1329)
+  store { ptr, i64, i64 } %t1326, ptr %a1330
+  call void @finch_str_drop(ptr %a1330)
+  %t1331 = load { ptr, i64, i64 }, ptr %a1327
+  call void @finch.gen.emit(ptr %t1307, { ptr, i64, i64 } %t1331)
+  store { ptr, i64, i64 } %t1331, ptr %a1332
+  call void @finch_str_drop(ptr %a1332)
+  %t1333 = load ptr, ptr %a1
+  %t1334 = load %S.gen.Val, ptr %a1285
+  call void @finch.gen.release(ptr %t1333, %S.gen.Val %t1334)
+  %t1335 = load ptr, ptr %a1
+  %t1336 = load { ptr, i64, i64 }, ptr %a1306
+  %t1337 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1335, { ptr, i64, i64 } { ptr @.str.5186, i64 17, i64 0 }, { ptr, i64, i64 } %t1336)
+  %t1338 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1337, 0
+  %t1339 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5187, i64 3, i64 0 })
+  %t1340 = insertvalue %S.gen.Val %t1338, %S.ast.Type %t1339, 1
+  %t1341 = insertvalue %S.gen.Val %t1340, i1 true, 2
+  call void @finch_str_drop(ptr %a1306)
+  call void @finch.drop.S_gen_Val(ptr %a1285)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1341
+endif7907:
+  %t1342 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1342, ptr %a1343
+  store { ptr, i64, i64 } { ptr @.str.5188, i64 3, i64 0 }, ptr %a1344
+  %t1345 = call i32 @finch_str_eq(ptr %a1343, ptr %a1344)
+  %t1346 = icmp ne i32 %t1345, 0
+  br i1 %t1346, label %then7913, label %endif7915
+then7913:
+  %t1347 = load ptr, ptr %a1
+  %t1348 = load %S.ast.Node, ptr %a2
+  %t1349 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1347, %S.ast.Node %t1348, i64 0, i64 1, { ptr, i64, i64 } %t1349)
+  %t1350 = load ptr, ptr %a1
+  %t1351 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1352 = load { ptr, i64, i64 }, ptr %t1351
+  %t1353 = extractvalue { ptr, i64, i64 } %t1352, 1
+  %t1354 = icmp uge i64 0, %t1353
+  br i1 %t1354, label %range7916, label %inrange7917
+range7916:
+  call void @finch_panic_index(ptr @.str.5189, i64 4789, i64 0, i64 %t1353)
   unreachable
-ok7572:
-  %t1355 = getelementptr inbounds %S.gen.Gen, ptr %t1353, i32 0, i32 13
-  %t1356 = load { ptr, i64, i64 }, ptr %t1355
-  %t1357 = load { ptr, i64, i64 }, ptr %a8
-  %t1358 = load { ptr, i64, i64 }, ptr %a1329
-  %t1359 = load %S.ast.Node, ptr %a2
-  %t1360 = call %S.ast.Type @finch.gen.instStruct(ptr %t1352, { ptr, i64, i64 } %t1356, { ptr, i64, i64 } %t1357, { ptr, i64, i64 } %t1358, %S.ast.Node %t1359)
-  store %S.ast.Type %t1360, ptr %a1361
-  %t1362 = load ptr, ptr %a1
-  %t1363 = load ptr, ptr %a1
-  %t1364 = getelementptr inbounds %S.ast.Type, ptr %a1361, i32 0, i32 3
-  %t1365 = load { ptr, i64, i64 }, ptr %t1364
-  %t1366 = getelementptr inbounds %S.ast.Type, ptr %a1361, i32 0, i32 2
-  %t1367 = load { ptr, i64, i64 }, ptr %t1366
-  %t1368 = call i64 @finch.gen.findStruct(ptr %t1363, { ptr, i64, i64 } %t1365, { ptr, i64, i64 } %t1367)
-  %t1369 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1370 = load { ptr, i64, i64 }, ptr %t1369
-  %t1371 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t1372 = load { ptr, i64, i64 }, ptr %t1371
-  %t1373 = load %S.ast.Node, ptr %a2
-  %t1374 = call %S.gen.Val @finch.gen.construct(ptr %t1362, i64 %t1368, { ptr, i64, i64 } %t1370, { ptr, i64, i64 } %t1372, %S.ast.Node %t1373)
-  ret %S.gen.Val %t1374
-endif7563:
-  %t1375 = load ptr, ptr %a1
-  %t1376 = load ptr, ptr %a1
-  %t1377 = icmp eq ptr %t1376, null
-  br i1 %t1377, label %panic7573, label %ok7574
-panic7573:
-  call void @finch_panic(ptr @.str.5041, i64 4496, ptr @.str.5042)
+inrange7917:
+  %t1355 = extractvalue { ptr, i64, i64 } %t1352, 0
+  %t1356 = getelementptr inbounds %S.ast.Node, ptr %t1355, i64 0
+  %t1357 = load %S.ast.Node, ptr %t1356
+  %t1358 = call %S.gen.Val @finch.gen.expr(ptr %t1350, %S.ast.Node %t1357)
+  store %S.gen.Val %t1358, ptr %a1359
+  %t1360 = load ptr, ptr %a1
+  %t1361 = load ptr, ptr %a1
+  %t1362 = getelementptr inbounds %S.gen.Val, ptr %a1359, i32 0, i32 1
+  %t1363 = load %S.ast.Type, ptr %t1362
+  %t1364 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1361, %S.ast.Type %t1363)
+  store { ptr, i64, i64 } { ptr @.str.5190, i64 26, i64 0 }, ptr %a1366
+  store { ptr, i64, i64 } %t1364, ptr %a1367
+  call void @finch_str_concat(ptr %a1365, ptr %a1366, ptr %a1367)
+  store { ptr, i64, i64 } %t1364, ptr %a1368
+  call void @finch_str_drop(ptr %a1368)
+  %t1369 = load { ptr, i64, i64 }, ptr %a1365
+  store { ptr, i64, i64 } %t1369, ptr %a1371
+  store { ptr, i64, i64 } { ptr @.str.5191, i64 1, i64 0 }, ptr %a1372
+  call void @finch_str_concat(ptr %a1370, ptr %a1371, ptr %a1372)
+  store { ptr, i64, i64 } %t1369, ptr %a1373
+  call void @finch_str_drop(ptr %a1373)
+  %t1374 = load { ptr, i64, i64 }, ptr %a1370
+  %t1375 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1360, { ptr, i64, i64 } %t1374)
+  store { ptr, i64, i64 } %t1374, ptr %a1376
+  call void @finch_str_drop(ptr %a1376)
+  store { ptr, i64, i64 } %t1375, ptr %a1377
+  %t1378 = load ptr, ptr %a1
+  %t1379 = load ptr, ptr %a1
+  %t1380 = getelementptr inbounds %S.gen.Val, ptr %a1359, i32 0, i32 1
+  %t1381 = load %S.ast.Type, ptr %t1380
+  %t1382 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t1379, %S.ast.Type %t1381)
+  %t1383 = load ptr, ptr %a1
+  %t1384 = load %S.gen.Val, ptr %a1359
+  %t1385 = call { ptr, i64, i64 } @finch.gen.own(ptr %t1383, %S.gen.Val %t1384)
+  %t1386 = load { ptr, i64, i64 }, ptr %a1377
+  call void @finch.gen.store(ptr %t1378, { ptr, i64, i64 } %t1382, { ptr, i64, i64 } %t1385, { ptr, i64, i64 } %t1386)
+  store { ptr, i64, i64 } %t1382, ptr %a1387
+  call void @finch_str_drop(ptr %a1387)
+  store { ptr, i64, i64 } %t1385, ptr %a1388
+  call void @finch_str_drop(ptr %a1388)
+  %t1389 = load { ptr, i64, i64 }, ptr %a1377
+  store { ptr, i64, i64 } %t1389, ptr %a1390
+  call void @finch_str_copy(ptr %a1391, ptr %a1390)
+  %t1392 = load { ptr, i64, i64 }, ptr %a1391
+  %t1393 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1392, 0
+  %t1394 = getelementptr inbounds %S.gen.Val, ptr %a1359, i32 0, i32 1
+  %t1395 = load %S.ast.Type, ptr %t1394
+  %t1396 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t1395)
+  %t1397 = insertvalue %S.gen.Val %t1393, %S.ast.Type %t1396, 1
+  call void @finch_str_drop(ptr %a1377)
+  call void @finch.drop.S_gen_Val(ptr %a1359)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1397
+endif7915:
+  %t1398 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1398, ptr %a1399
+  store { ptr, i64, i64 } { ptr @.str.5192, i64 4, i64 0 }, ptr %a1400
+  %t1401 = call i32 @finch_str_eq(ptr %a1399, ptr %a1400)
+  %t1402 = icmp ne i32 %t1401, 0
+  br i1 %t1402, label %then7918, label %endif7920
+then7918:
+  %t1403 = load ptr, ptr %a1
+  %t1404 = load %S.ast.Node, ptr %a2
+  %t1405 = load { ptr, i64, i64 }, ptr %a8
+  call void @finch.gen.checkArgs(ptr %t1403, %S.ast.Node %t1404, i64 0, i64 1, { ptr, i64, i64 } %t1405)
+  %t1406 = load ptr, ptr %a1
+  %t1407 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1408 = load { ptr, i64, i64 }, ptr %t1407
+  %t1409 = extractvalue { ptr, i64, i64 } %t1408, 1
+  %t1410 = icmp uge i64 0, %t1409
+  br i1 %t1410, label %range7921, label %inrange7922
+range7921:
+  call void @finch_panic_index(ptr @.str.5193, i64 4796, i64 0, i64 %t1409)
   unreachable
-ok7574:
-  %t1378 = getelementptr inbounds %S.gen.Gen, ptr %t1376, i32 0, i32 13
-  %t1379 = load { ptr, i64, i64 }, ptr %t1378
-  %t1380 = load { ptr, i64, i64 }, ptr %a8
-  %t1381 = call i64 @finch.gen.findStruct(ptr %t1375, { ptr, i64, i64 } %t1379, { ptr, i64, i64 } %t1380)
-  store i64 %t1381, ptr %a1382
-  %t1383 = load i64, ptr %a1382
-  %t1384 = icmp sge i64 %t1383, 0
-  br i1 %t1384, label %then7575, label %endif7577
-then7575:
-  %t1385 = load ptr, ptr %a1
-  %t1386 = icmp eq ptr %t1385, null
-  br i1 %t1386, label %panic7578, label %ok7579
-panic7578:
-  call void @finch_panic(ptr @.str.5043, i64 4498, ptr @.str.5044)
+inrange7922:
+  %t1411 = extractvalue { ptr, i64, i64 } %t1408, 0
+  %t1412 = getelementptr inbounds %S.ast.Node, ptr %t1411, i64 0
+  %t1413 = load %S.ast.Node, ptr %t1412
+  %t1414 = call %S.gen.Val @finch.gen.expr(ptr %t1406, %S.ast.Node %t1413)
+  store %S.gen.Val %t1414, ptr %a1415
+  %t1416 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1417 = getelementptr inbounds %S.ast.Type, ptr %t1416, i32 0, i32 0
+  %t1418 = load { ptr, i64, i64 }, ptr %t1417
+  store { ptr, i64, i64 } %t1418, ptr %a1419
+  store { ptr, i64, i64 } { ptr @.str.5194, i64 3, i64 0 }, ptr %a1420
+  %t1421 = call i32 @finch_str_eq(ptr %a1419, ptr %a1420)
+  %t1422 = icmp eq i32 %t1421, 0
+  br i1 %t1422, label %then7923, label %endif7925
+then7923:
+  %t1423 = load ptr, ptr %a1
+  %t1424 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1425 = load { ptr, i64, i64 }, ptr %t1424
+  %t1426 = extractvalue { ptr, i64, i64 } %t1425, 1
+  %t1427 = icmp uge i64 0, %t1426
+  br i1 %t1427, label %range7926, label %inrange7927
+range7926:
+  call void @finch_panic_index(ptr @.str.5195, i64 4798, i64 0, i64 %t1426)
   unreachable
-ok7579:
-  %t1387 = getelementptr inbounds %S.gen.Gen, ptr %t1385, i32 0, i32 15
-  %t1388 = load i64, ptr %a1382
-  %t1389 = load { ptr, i64, i64 }, ptr %t1387
-  %t1390 = extractvalue { ptr, i64, i64 } %t1389, 1
-  %t1391 = icmp uge i64 %t1388, %t1390
-  br i1 %t1391, label %range7580, label %inrange7581
-range7580:
-  call void @finch_panic_index(ptr @.str.5045, i64 4498, i64 %t1388, i64 %t1390)
+inrange7927:
+  %t1428 = extractvalue { ptr, i64, i64 } %t1425, 0
+  %t1429 = getelementptr inbounds %S.ast.Node, ptr %t1428, i64 0
+  %t1430 = load %S.ast.Node, ptr %t1429
+  call void @finch.gen.fail(ptr %t1423, %S.ast.Node %t1430, { ptr, i64, i64 } { ptr @.str.5196, i64 119, i64 0 })
+  br label %endif7925
+endif7925:
+  %t1431 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1432 = getelementptr inbounds %S.ast.Type, ptr %t1431, i32 0, i32 1
+  %t1433 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1432, i32 0, i32 1
+  %t1434 = load i64, ptr %t1433
+  %t1435 = icmp sgt i64 %t1434, 0
+  br label %logic.from7928
+logic.from7928:
+  br i1 %t1435, label %logic.rhs7929, label %logic.end7930
+logic.rhs7929:
+  %t1436 = load ptr, ptr %a1
+  %t1437 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1438 = getelementptr inbounds %S.ast.Type, ptr %t1437, i32 0, i32 1
+  %t1439 = load { ptr, i64, i64 }, ptr %t1438
+  %t1440 = extractvalue { ptr, i64, i64 } %t1439, 1
+  %t1441 = icmp uge i64 0, %t1440
+  br i1 %t1441, label %range7931, label %inrange7932
+range7931:
+  call void @finch_panic_index(ptr @.str.5197, i64 4800, i64 0, i64 %t1440)
   unreachable
-inrange7581:
-  %t1392 = extractvalue { ptr, i64, i64 } %t1389, 0
-  %t1393 = getelementptr inbounds %S.gen.StructDef, ptr %t1392, i64 %t1388
-  %t1394 = load %S.gen.StructDef, ptr %t1393
-  store %S.gen.StructDef %t1394, ptr %a1395
-  call void @finch.copy.S_gen_StructDef(ptr %a1396, ptr %a1395)
-  %t1397 = load %S.gen.StructDef, ptr %a1396
-  store %S.gen.StructDef %t1397, ptr %a1398
-  %t1399 = load ptr, ptr %a1
-  %t1400 = icmp eq ptr %t1399, null
-  br i1 %t1400, label %panic7582, label %ok7583
-panic7582:
-  call void @finch_panic(ptr @.str.5046, i64 4499, ptr @.str.5047)
+inrange7932:
+  %t1442 = extractvalue { ptr, i64, i64 } %t1439, 0
+  %t1443 = getelementptr inbounds %S.ast.Type, ptr %t1442, i64 0
+  %t1444 = load %S.ast.Type, ptr %t1443
+  %t1445 = call i1 @finch.gen.owning(ptr %t1436, %S.ast.Type %t1444)
+  br label %logic.rend7933
+logic.rend7933:
+  br label %logic.end7930
+logic.end7930:
+  %t1446 = phi i1 [ false, %logic.from7928 ], [ %t1445, %logic.rend7933 ]
+  br i1 %t1446, label %then7934, label %endif7936
+then7934:
+  %t1447 = load ptr, ptr %a1
+  %t1448 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t1447, { ptr, i64, i64 } { ptr @.str.5198, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t1448, ptr %a1449
+  %t1450 = load ptr, ptr %a1
+  %t1451 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t1450, { ptr, i64, i64 } { ptr @.str.5199, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t1451, ptr %a1452
+  %t1453 = load ptr, ptr %a1
+  %t1454 = load ptr, ptr %a1
+  %t1455 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 0
+  %t1456 = load { ptr, i64, i64 }, ptr %t1455
+  store { ptr, i64, i64 } { ptr @.str.5200, i64 12, i64 0 }, ptr %a1458
+  store { ptr, i64, i64 } %t1456, ptr %a1459
+  call void @finch_str_concat(ptr %a1457, ptr %a1458, ptr %a1459)
+  %t1460 = load { ptr, i64, i64 }, ptr %a1457
+  store { ptr, i64, i64 } %t1460, ptr %a1462
+  store { ptr, i64, i64 } { ptr @.str.5201, i64 6, i64 0 }, ptr %a1463
+  call void @finch_str_concat(ptr %a1461, ptr %a1462, ptr %a1463)
+  store { ptr, i64, i64 } %t1460, ptr %a1464
+  call void @finch_str_drop(ptr %a1464)
+  %t1465 = load { ptr, i64, i64 }, ptr %a1461
+  %t1466 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1454, { ptr, i64, i64 } %t1465)
+  store { ptr, i64, i64 } %t1465, ptr %a1467
+  call void @finch_str_drop(ptr %a1467)
+  %t1468 = load { ptr, i64, i64 }, ptr %a1452
+  %t1469 = load { ptr, i64, i64 }, ptr %a1449
+  call void @finch.gen.condBr(ptr %t1453, { ptr, i64, i64 } %t1466, { ptr, i64, i64 } %t1468, { ptr, i64, i64 } %t1469)
+  store { ptr, i64, i64 } %t1466, ptr %a1470
+  call void @finch_str_drop(ptr %a1470)
+  %t1471 = load ptr, ptr %a1
+  %t1472 = load { ptr, i64, i64 }, ptr %a1449
+  call void @finch.gen.label(ptr %t1471, { ptr, i64, i64 } %t1472)
+  %t1473 = load ptr, ptr %a1
+  %t1474 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 0
+  %t1475 = load { ptr, i64, i64 }, ptr %t1474
+  %t1476 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 1
+  %t1477 = getelementptr inbounds %S.ast.Type, ptr %t1476, i32 0, i32 1
+  %t1478 = load { ptr, i64, i64 }, ptr %t1477
+  %t1479 = extractvalue { ptr, i64, i64 } %t1478, 1
+  %t1480 = icmp uge i64 0, %t1479
+  br i1 %t1480, label %range7937, label %inrange7938
+range7937:
+  call void @finch_panic_index(ptr @.str.5202, i64 4805, i64 0, i64 %t1479)
   unreachable
-ok7583:
-  %t1401 = getelementptr inbounds %S.gen.Gen, ptr %t1399, i32 0, i32 26
-  %t1402 = load i1, ptr %t1401
-  br label %logic.from7584
-logic.from7584:
-  br i1 %t1402, label %logic.rhs7585, label %logic.end7586
-logic.rhs7585:
-  %t1403 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 2
-  %t1404 = load i1, ptr %t1403
-  %t1405 = xor i1 %t1404, true
-  br label %logic.rend7587
-logic.rend7587:
-  br label %logic.end7586
-logic.end7586:
-  %t1406 = phi i1 [ false, %logic.from7584 ], [ %t1405, %logic.rend7587 ]
-  br i1 %t1406, label %then7588, label %endif7590
-then7588:
-  %t1407 = load ptr, ptr %a1
-  %t1408 = icmp eq ptr %t1407, null
-  br i1 %t1408, label %panic7591, label %ok7592
-panic7591:
-  call void @finch_panic(ptr @.str.5048, i64 4500, ptr @.str.5049)
-  unreachable
-ok7592:
-  %t1409 = getelementptr inbounds %S.gen.Gen, ptr %t1407, i32 0, i32 0
-  %t1410 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 13
-  %t1411 = load i64, ptr %t1410
-  %t1412 = load { ptr, i64, i64 }, ptr %t1409
-  %t1413 = extractvalue { ptr, i64, i64 } %t1412, 1
-  %t1414 = icmp uge i64 %t1411, %t1413
-  br i1 %t1414, label %range7593, label %inrange7594
-range7593:
-  call void @finch_panic_index(ptr @.str.5050, i64 4500, i64 %t1411, i64 %t1413)
-  unreachable
-inrange7594:
-  %t1415 = extractvalue { ptr, i64, i64 } %t1412, 0
-  %t1416 = getelementptr inbounds %S.ast.Program, ptr %t1415, i64 %t1411
-  %t1417 = getelementptr inbounds %S.ast.Program, ptr %t1416, i32 0, i32 6
-  %t1418 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 14
-  %t1419 = load i64, ptr %t1418
-  %t1420 = load { ptr, i64, i64 }, ptr %t1417
-  %t1421 = extractvalue { ptr, i64, i64 } %t1420, 1
-  %t1422 = icmp uge i64 %t1419, %t1421
-  br i1 %t1422, label %range7595, label %inrange7596
-range7595:
-  call void @finch_panic_index(ptr @.str.5051, i64 4500, i64 %t1419, i64 %t1421)
-  unreachable
-inrange7596:
-  %t1423 = extractvalue { ptr, i64, i64 } %t1420, 0
-  %t1424 = getelementptr inbounds %S.ast.Node, ptr %t1423, i64 %t1419
-  %t1425 = load %S.ast.Node, ptr %t1424
-  store %S.ast.Node %t1425, ptr %a1426
-  call void @finch.copy.S_ast_Node(ptr %a1427, ptr %a1426)
-  %t1428 = load %S.ast.Node, ptr %a1427
-  store %S.ast.Node %t1428, ptr %a1429
-  %t1430 = load ptr, ptr %a1
-  %t1431 = load %S.ast.Node, ptr %a2
-  %t1432 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
-  %t1433 = load i64, ptr %t1432
-  %t1434 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t1435 = load i64, ptr %t1434
-  %t1436 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 1
-  %t1437 = load { ptr, i64, i64 }, ptr %t1436
-  store { ptr, i64, i64 } { ptr @.str.5052, i64 16, i64 0 }, ptr %a1439
-  store { ptr, i64, i64 } %t1437, ptr %a1440
-  call void @finch_str_concat(ptr %a1438, ptr %a1439, ptr %a1440)
-  %t1441 = load { ptr, i64, i64 }, ptr %a1438
-  store { ptr, i64, i64 } %t1441, ptr %a1443
-  store { ptr, i64, i64 } { ptr @.str.5053, i64 3, i64 0 }, ptr %a1444
-  call void @finch_str_concat(ptr %a1442, ptr %a1443, ptr %a1444)
-  %t1445 = load { ptr, i64, i64 }, ptr %a1442
-  %t1446 = getelementptr inbounds %S.gen.StructDef, ptr %a1398, i32 0, i32 11
-  %t1447 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1446, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5054, i64 2, i64 0 }, ptr %a1448
-  call void @finch_str_join(ptr %a1449, ptr %t1446, ptr %a1448)
-  %t1450 = load { ptr, i64, i64 }, ptr %a1449
-  store { ptr, i64, i64 } %t1445, ptr %a1452
-  store { ptr, i64, i64 } %t1450, ptr %a1453
-  call void @finch_str_concat(ptr %a1451, ptr %a1452, ptr %a1453)
-  %t1454 = load { ptr, i64, i64 }, ptr %a1451
-  store { ptr, i64, i64 } %t1454, ptr %a1456
-  store { ptr, i64, i64 } { ptr @.str.5055, i64 6, i64 0 }, ptr %a1457
-  call void @finch_str_concat(ptr %a1455, ptr %a1456, ptr %a1457)
-  %t1458 = load { ptr, i64, i64 }, ptr %a1455
-  %t1459 = load ptr, ptr %a1
-  %t1460 = icmp eq ptr %t1459, null
-  br i1 %t1460, label %panic7597, label %ok7598
-panic7597:
-  call void @finch_panic(ptr @.str.5056, i64 4501, ptr @.str.5057)
-  unreachable
-ok7598:
-  %t1461 = getelementptr inbounds %S.gen.Gen, ptr %t1459, i32 0, i32 1
-  %t1462 = getelementptr inbounds %S.ast.Node, ptr %a1429, i32 0, i32 13
-  %t1463 = load i64, ptr %t1462
-  %t1464 = load { ptr, i64, i64 }, ptr %t1461
-  %t1465 = extractvalue { ptr, i64, i64 } %t1464, 1
-  %t1466 = icmp uge i64 %t1463, %t1465
-  br i1 %t1466, label %range7599, label %inrange7600
-range7599:
-  call void @finch_panic_index(ptr @.str.5058, i64 4501, i64 %t1463, i64 %t1465)
-  unreachable
-inrange7600:
-  %t1467 = extractvalue { ptr, i64, i64 } %t1464, 0
-  %t1468 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1467, i64 %t1463
-  %t1469 = load { ptr, i64, i64 }, ptr %t1468
-  %t1470 = getelementptr inbounds %S.ast.Node, ptr %a1429, i32 0, i32 11
-  %t1471 = load i64, ptr %t1470
-  %t1472 = getelementptr inbounds %S.ast.Node, ptr %a1429, i32 0, i32 12
-  %t1473 = load i64, ptr %t1472
-  call void @finch.gen.noteRef(ptr %t1430, %S.ast.Node %t1431, i64 %t1433, i64 %t1435, { ptr, i64, i64 } %t1458, { ptr, i64, i64 } %t1469, i64 %t1471, i64 %t1473)
-  br label %endif7590
-endif7590:
-  %t1474 = load ptr, ptr %a1
-  %t1475 = load i64, ptr %a1382
-  %t1476 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1477 = load { ptr, i64, i64 }, ptr %t1476
-  %t1478 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t1479 = load { ptr, i64, i64 }, ptr %t1478
-  %t1480 = load %S.ast.Node, ptr %a2
-  %t1481 = call %S.gen.Val @finch.gen.construct(ptr %t1474, i64 %t1475, { ptr, i64, i64 } %t1477, { ptr, i64, i64 } %t1479, %S.ast.Node %t1480)
-  ret %S.gen.Val %t1481
-endif7577:
-  %t1482 = load ptr, ptr %a1
-  %t1483 = load ptr, ptr %a1
-  %t1484 = icmp eq ptr %t1483, null
-  br i1 %t1484, label %panic7601, label %ok7602
-panic7601:
-  call void @finch_panic(ptr @.str.5059, i64 4505, ptr @.str.5060)
-  unreachable
-ok7602:
-  %t1485 = getelementptr inbounds %S.gen.Gen, ptr %t1483, i32 0, i32 13
-  %t1486 = load { ptr, i64, i64 }, ptr %t1485
-  %t1487 = load { ptr, i64, i64 }, ptr %a8
-  %t1488 = call i64 @finch.gen.findEnum(ptr %t1482, { ptr, i64, i64 } %t1486, { ptr, i64, i64 } %t1487)
-  store i64 %t1488, ptr %a1489
-  %t1490 = load i64, ptr %a1489
-  %t1491 = icmp sge i64 %t1490, 0
-  br i1 %t1491, label %then7603, label %endif7605
-then7603:
-  %t1492 = load ptr, ptr %a1
-  %t1493 = load %S.ast.Node, ptr %a2
-  %t1494 = load i64, ptr %a1489
-  %t1495 = call %S.gen.Val @finch.gen.enumFrom(ptr %t1492, %S.ast.Node %t1493, i64 %t1494)
-  ret %S.gen.Val %t1495
-endif7605:
-  %t1496 = load ptr, ptr %a1
-  %t1497 = icmp eq ptr %t1496, null
-  br i1 %t1497, label %panic7606, label %ok7607
-panic7606:
-  call void @finch_panic(ptr @.str.5061, i64 4509, ptr @.str.5062)
-  unreachable
-ok7607:
-  %t1498 = getelementptr inbounds %S.gen.Gen, ptr %t1496, i32 0, i32 24
-  %t1499 = getelementptr inbounds %S.cimport.CImports, ptr %t1498, i32 0, i32 0
-  %t1500 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1500, ptr %a1501
-  %t1502 = call i64 @finch_map_find(ptr %t1499, ptr %a1501, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t1503 = icmp sge i64 %t1502, 0
-  br i1 %t1503, label %then7608, label %endif7610
-then7608:
+inrange7938:
+  %t1481 = extractvalue { ptr, i64, i64 } %t1478, 0
+  %t1482 = getelementptr inbounds %S.ast.Type, ptr %t1481, i64 0
+  %t1483 = load %S.ast.Type, ptr %t1482
+  call void @finch.gen.dropAt(ptr %t1473, { ptr, i64, i64 } %t1475, %S.ast.Type %t1483)
+  %t1484 = load ptr, ptr %a1
+  %t1485 = load { ptr, i64, i64 }, ptr %a1452
+  call void @finch.gen.br(ptr %t1484, { ptr, i64, i64 } %t1485)
+  %t1486 = load ptr, ptr %a1
+  %t1487 = load { ptr, i64, i64 }, ptr %a1452
+  call void @finch.gen.label(ptr %t1486, { ptr, i64, i64 } %t1487)
+  call void @finch_str_drop(ptr %a1452)
+  call void @finch_str_drop(ptr %a1449)
+  br label %endif7936
+endif7936:
+  %t1488 = load ptr, ptr %a1
+  %t1489 = getelementptr inbounds %S.gen.Val, ptr %a1415, i32 0, i32 0
+  %t1490 = load { ptr, i64, i64 }, ptr %t1489
+  store { ptr, i64, i64 } { ptr @.str.5203, i64 20, i64 0 }, ptr %a1492
+  store { ptr, i64, i64 } %t1490, ptr %a1493
+  call void @finch_str_concat(ptr %a1491, ptr %a1492, ptr %a1493)
+  %t1494 = load { ptr, i64, i64 }, ptr %a1491
+  store { ptr, i64, i64 } %t1494, ptr %a1496
+  store { ptr, i64, i64 } { ptr @.str.5204, i64 1, i64 0 }, ptr %a1497
+  call void @finch_str_concat(ptr %a1495, ptr %a1496, ptr %a1497)
+  store { ptr, i64, i64 } %t1494, ptr %a1498
+  call void @finch_str_drop(ptr %a1498)
+  %t1499 = load { ptr, i64, i64 }, ptr %a1495
+  call void @finch.gen.emit(ptr %t1488, { ptr, i64, i64 } %t1499)
+  store { ptr, i64, i64 } %t1499, ptr %a1500
+  call void @finch_str_drop(ptr %a1500)
+  %t1501 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5205, i64 4, i64 0 })
+  %t1502 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1501, 1
+  call void @finch.drop.S_gen_Val(ptr %a1415)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1502
+endif7920:
+  %t1503 = load ptr, ptr %a1
   %t1504 = load ptr, ptr %a1
-  %t1505 = load %S.ast.Node, ptr %a2
-  %t1506 = load ptr, ptr %a1
-  %t1507 = icmp eq ptr %t1506, null
-  br i1 %t1507, label %panic7611, label %ok7612
-panic7611:
-  call void @finch_panic(ptr @.str.5063, i64 4510, ptr @.str.5064)
+  %t1505 = icmp eq ptr %t1504, null
+  br i1 %t1505, label %panic7939, label %ok7940
+panic7939:
+  call void @finch_panic(ptr @.str.5206, i64 4812, ptr @.str.5207)
   unreachable
-ok7612:
-  %t1508 = getelementptr inbounds %S.gen.Gen, ptr %t1506, i32 0, i32 24
-  %t1509 = getelementptr inbounds %S.cimport.CImports, ptr %t1508, i32 0, i32 0
-  %t1510 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t1510, ptr %a1511
-  %t1512 = call i64 @finch_map_find(ptr %t1509, ptr %a1511, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t1513 = icmp slt i64 %t1512, 0
-  br i1 %t1513, label %map.missing7613, label %map.found7614
-map.missing7613:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a1514
-  store { ptr, i64, i64 } %t1510, ptr %a1515
-  call void @finch_buf_str(ptr %a1514, ptr %a1515, i32 1)
-  call void @finch_map_missing(ptr @.str.5065, i64 4510, ptr %a1514)
-  unreachable
-map.found7614:
-  %t1516 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t1509, i32 0, i32 0
-  %t1517 = load ptr, ptr %t1516
-  %t1518 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1517, i64 %t1512
-  %t1519 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1518, i32 0, i32 2
-  %t1520 = load %S.cimport.CFunc, ptr %t1519
-  %t1521 = call %S.gen.Val @finch.gen.callC(ptr %t1504, %S.ast.Node %t1505, %S.cimport.CFunc %t1520)
-  ret %S.gen.Val %t1521
-endif7610:
-  %t1522 = load ptr, ptr %a1
-  %t1523 = load { ptr, i64, i64 }, ptr %a8
-  %t1524 = call i64 @finch.gen.findStruct(ptr %t1522, { ptr, i64, i64 } { ptr @.str.5066, i64 1, i64 0 }, { ptr, i64, i64 } %t1523)
-  store i64 %t1524, ptr %a1382
-  %t1525 = load i64, ptr %a1382
-  %t1526 = icmp sge i64 %t1525, 0
-  br i1 %t1526, label %then7615, label %endif7617
-then7615:
-  %t1527 = load ptr, ptr %a1
-  %t1528 = load i64, ptr %a1382
-  %t1529 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1530 = load { ptr, i64, i64 }, ptr %t1529
-  %t1531 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t1532 = load { ptr, i64, i64 }, ptr %t1531
+ok7940:
+  %t1506 = getelementptr inbounds %S.gen.Gen, ptr %t1504, i32 0, i32 14
+  %t1507 = load { ptr, i64, i64 }, ptr %t1506
+  %t1508 = load { ptr, i64, i64 }, ptr %a8
+  %t1509 = call i64 @finch.gen.findFn(ptr %t1503, { ptr, i64, i64 } %t1507, { ptr, i64, i64 } %t1508)
+  store i64 %t1509, ptr %a1510
+  %t1511 = load i64, ptr %a1510
+  %t1512 = icmp sge i64 %t1511, 0
+  br i1 %t1512, label %then7941, label %endif7943
+then7941:
+  %t1513 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t1514 = getelementptr inbounds %S.ast.Type, ptr %t1513, i32 0, i32 1
+  %t1515 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1514, i32 0, i32 1
+  %t1516 = load i64, ptr %t1515
+  %t1517 = icmp sgt i64 %t1516, 0
+  br i1 %t1517, label %then7944, label %endif7946
+then7944:
+  %t1518 = load ptr, ptr %a1
+  %t1519 = load %S.ast.Node, ptr %a2
+  %t1520 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5208, i64 1, i64 0 }, ptr %a1522
+  store { ptr, i64, i64 } %t1520, ptr %a1523
+  call void @finch_str_concat(ptr %a1521, ptr %a1522, ptr %a1523)
+  %t1524 = load { ptr, i64, i64 }, ptr %a1521
+  store { ptr, i64, i64 } %t1524, ptr %a1526
+  store { ptr, i64, i64 } { ptr @.str.5209, i64 47, i64 0 }, ptr %a1527
+  call void @finch_str_concat(ptr %a1525, ptr %a1526, ptr %a1527)
+  store { ptr, i64, i64 } %t1524, ptr %a1528
+  call void @finch_str_drop(ptr %a1528)
+  %t1529 = load { ptr, i64, i64 }, ptr %a1525
+  call void @finch.gen.fail(ptr %t1518, %S.ast.Node %t1519, { ptr, i64, i64 } %t1529)
+  store { ptr, i64, i64 } %t1529, ptr %a1530
+  call void @finch_str_drop(ptr %a1530)
+  br label %endif7946
+endif7946:
+  %t1531 = load ptr, ptr %a1
+  %t1532 = load i64, ptr %a1510
   %t1533 = load %S.ast.Node, ptr %a2
-  %t1534 = call %S.gen.Val @finch.gen.construct(ptr %t1527, i64 %t1528, { ptr, i64, i64 } %t1530, { ptr, i64, i64 } %t1532, %S.ast.Node %t1533)
-  ret %S.gen.Val %t1534
-endif7617:
-  %t1535 = load ptr, ptr %a1
-  %t1536 = load { ptr, i64, i64 }, ptr %a8
-  %t1537 = call i64 @finch.gen.lookup(ptr %t1535, { ptr, i64, i64 } %t1536)
-  %t1538 = icmp sge i64 %t1537, 0
-  br i1 %t1538, label %then7618, label %endif7620
-then7618:
-  %t1539 = load ptr, ptr %a1
-  %t1540 = load %S.ast.Node, ptr %a2
+  %t1534 = load { ptr, i64, i64 }, ptr %a8
+  %t1535 = call %S.gen.Val @finch.gen.callFn(ptr %t1531, i64 %t1532, %S.ast.Node %t1533, i64 0, { ptr, i64, i64 } %t1534, { ptr, i64, i64 } { ptr @.str.5210, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5211, i64 0, i64 0 })
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1535
+endif7943:
+  %t1536 = load ptr, ptr %a1
+  %t1537 = load ptr, ptr %a1
+  %t1538 = icmp eq ptr %t1537, null
+  br i1 %t1538, label %panic7947, label %ok7948
+panic7947:
+  call void @finch_panic(ptr @.str.5212, i64 4819, ptr @.str.5213)
+  unreachable
+ok7948:
+  %t1539 = getelementptr inbounds %S.gen.Gen, ptr %t1537, i32 0, i32 14
+  %t1540 = load { ptr, i64, i64 }, ptr %t1539
   %t1541 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5067, i64 1, i64 0 }, ptr %a1543
-  store { ptr, i64, i64 } %t1541, ptr %a1544
-  call void @finch_str_concat(ptr %a1542, ptr %a1543, ptr %a1544)
-  %t1545 = load { ptr, i64, i64 }, ptr %a1542
-  store { ptr, i64, i64 } %t1545, ptr %a1547
-  store { ptr, i64, i64 } { ptr @.str.5068, i64 31, i64 0 }, ptr %a1548
-  call void @finch_str_concat(ptr %a1546, ptr %a1547, ptr %a1548)
-  %t1549 = load { ptr, i64, i64 }, ptr %a1546
-  call void @finch.gen.fail(ptr %t1539, %S.ast.Node %t1540, { ptr, i64, i64 } %t1549)
-  br label %endif7620
-endif7620:
-  %t1550 = load ptr, ptr %a1
-  %t1551 = load %S.ast.Node, ptr %a2
-  %t1552 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.5069, i64 28, i64 0 }, ptr %a1554
-  store { ptr, i64, i64 } %t1552, ptr %a1555
-  call void @finch_str_concat(ptr %a1553, ptr %a1554, ptr %a1555)
-  %t1556 = load { ptr, i64, i64 }, ptr %a1553
-  store { ptr, i64, i64 } %t1556, ptr %a1558
-  store { ptr, i64, i64 } { ptr @.str.5070, i64 1, i64 0 }, ptr %a1559
-  call void @finch_str_concat(ptr %a1557, ptr %a1558, ptr %a1559)
-  %t1560 = load { ptr, i64, i64 }, ptr %a1557
-  %t1561 = load { ptr, i64, i64 }, ptr %a8
-  %t1562 = call { ptr, i64, i64 } @finch.gen.headerHint({ ptr, i64, i64 } %t1561)
-  store { ptr, i64, i64 } %t1560, ptr %a1564
-  store { ptr, i64, i64 } %t1562, ptr %a1565
-  call void @finch_str_concat(ptr %a1563, ptr %a1564, ptr %a1565)
-  %t1566 = load { ptr, i64, i64 }, ptr %a1563
-  call void @finch.gen.fail(ptr %t1550, %S.ast.Node %t1551, { ptr, i64, i64 } %t1566)
+  %t1542 = call i64 @finch.gen.findTemplate(ptr %t1536, { ptr, i64, i64 } %t1540, { ptr, i64, i64 } %t1541, { ptr, i64, i64 } { ptr @.str.5214, i64 0, i64 0 }, i1 false)
+  store i64 %t1542, ptr %a1543
+  %t1544 = load i64, ptr %a1543
+  %t1545 = icmp sge i64 %t1544, 0
+  br i1 %t1545, label %then7949, label %endif7951
+then7949:
+  %t1546 = load ptr, ptr %a1
+  %t1547 = load %S.ast.Node, ptr %a2
+  %t1548 = load i64, ptr %a1543
+  %t1549 = load { ptr, i64, i64 }, ptr %a8
+  %t1550 = call %S.gen.Val @finch.gen.genericCall(ptr %t1546, %S.ast.Node %t1547, i64 %t1548, i64 0, { ptr, i64, i64 } %t1549)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1550
+endif7951:
+  %t1551 = load ptr, ptr %a1
+  %t1552 = load ptr, ptr %a1
+  %t1553 = icmp eq ptr %t1552, null
+  br i1 %t1553, label %panic7952, label %ok7953
+panic7952:
+  call void @finch_panic(ptr @.str.5215, i64 4823, ptr @.str.5216)
+  unreachable
+ok7953:
+  %t1554 = getelementptr inbounds %S.gen.Gen, ptr %t1552, i32 0, i32 14
+  %t1555 = load { ptr, i64, i64 }, ptr %t1554
+  %t1556 = load { ptr, i64, i64 }, ptr %a8
+  %t1557 = call i64 @finch.gen.findTemplate(ptr %t1551, { ptr, i64, i64 } %t1555, { ptr, i64, i64 } %t1556, { ptr, i64, i64 } { ptr @.str.5217, i64 0, i64 0 }, i1 true)
+  %t1558 = icmp sge i64 %t1557, 0
+  br i1 %t1558, label %then7954, label %endif7956
+then7954:
+  %t1559 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t1560 = getelementptr inbounds %S.ast.Type, ptr %t1559, i32 0, i32 1
+  %t1561 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1560, i32 0, i32 1
+  %t1562 = load i64, ptr %t1561
+  %t1563 = icmp eq i64 %t1562, 0
+  br i1 %t1563, label %then7957, label %endif7959
+then7957:
+  %t1564 = load ptr, ptr %a1
+  %t1565 = load %S.ast.Node, ptr %a2
+  %t1566 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5218, i64 1, i64 0 }, ptr %a1568
+  store { ptr, i64, i64 } %t1566, ptr %a1569
+  call void @finch_str_concat(ptr %a1567, ptr %a1568, ptr %a1569)
+  %t1570 = load { ptr, i64, i64 }, ptr %a1567
+  store { ptr, i64, i64 } %t1570, ptr %a1572
+  store { ptr, i64, i64 } { ptr @.str.5219, i64 42, i64 0 }, ptr %a1573
+  call void @finch_str_concat(ptr %a1571, ptr %a1572, ptr %a1573)
+  store { ptr, i64, i64 } %t1570, ptr %a1574
+  call void @finch_str_drop(ptr %a1574)
+  %t1575 = load { ptr, i64, i64 }, ptr %a1571
+  %t1576 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1575, ptr %a1578
+  store { ptr, i64, i64 } %t1576, ptr %a1579
+  call void @finch_str_concat(ptr %a1577, ptr %a1578, ptr %a1579)
+  store { ptr, i64, i64 } %t1575, ptr %a1580
+  call void @finch_str_drop(ptr %a1580)
+  %t1581 = load { ptr, i64, i64 }, ptr %a1577
+  store { ptr, i64, i64 } %t1581, ptr %a1583
+  store { ptr, i64, i64 } { ptr @.str.5220, i64 10, i64 0 }, ptr %a1584
+  call void @finch_str_concat(ptr %a1582, ptr %a1583, ptr %a1584)
+  store { ptr, i64, i64 } %t1581, ptr %a1585
+  call void @finch_str_drop(ptr %a1585)
+  %t1586 = load { ptr, i64, i64 }, ptr %a1582
+  call void @finch.gen.fail(ptr %t1564, %S.ast.Node %t1565, { ptr, i64, i64 } %t1586)
+  store { ptr, i64, i64 } %t1586, ptr %a1587
+  call void @finch_str_drop(ptr %a1587)
+  br label %endif7959
+endif7959:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1588
+  %t1589 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 5
+  %t1590 = getelementptr inbounds %S.ast.Type, ptr %t1589, i32 0, i32 1
+  store i64 0, ptr %a1591
+  br label %each.cond7960
+each.cond7960:
+  %t1592 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1590, i32 0, i32 1
+  %t1593 = load i64, ptr %t1592
+  %t1594 = load i64, ptr %a1591
+  %t1595 = icmp slt i64 %t1594, %t1593
+  br i1 %t1595, label %each.body7961, label %each.end7963
+each.body7961:
+  %t1596 = load ptr, ptr %t1590
+  %t1597 = getelementptr inbounds %S.ast.Type, ptr %t1596, i64 %t1594
+  %t1598 = load %S.ast.Type, ptr %t1597
+  store %S.ast.Type %t1598, ptr %a1599
+  %t1600 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1588, i32 0, i32 1
+  %t1601 = load ptr, ptr %a1
+  %t1602 = load %S.ast.Type, ptr %a1599
+  %t1603 = load %S.ast.Node, ptr %a2
+  %t1604 = call %S.ast.Type @finch.gen.resolve(ptr %t1601, %S.ast.Type %t1602, %S.ast.Node %t1603)
+  %t1605 = load i64, ptr %t1600
+  %t1606 = add i64 %t1605, 1
+  call void @finch_arr_reserve(ptr %a1588, i64 %t1606, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t1607 = load ptr, ptr %a1588
+  %t1608 = getelementptr inbounds %S.ast.Type, ptr %t1607, i64 %t1605
+  store %S.ast.Type %t1604, ptr %t1608
+  store i64 %t1606, ptr %t1600
+  br label %each.step7962
+each.step7962:
+  %t1609 = load i64, ptr %a1591
+  %t1610 = add i64 %t1609, 1
+  store i64 %t1610, ptr %a1591
+  br label %each.cond7960
+each.end7963:
+  %t1611 = load ptr, ptr %a1
+  %t1612 = load ptr, ptr %a1
+  %t1613 = icmp eq ptr %t1612, null
+  br i1 %t1613, label %panic7964, label %ok7965
+panic7964:
+  call void @finch_panic(ptr @.str.5221, i64 4832, ptr @.str.5222)
+  unreachable
+ok7965:
+  %t1614 = getelementptr inbounds %S.gen.Gen, ptr %t1612, i32 0, i32 14
+  %t1615 = load { ptr, i64, i64 }, ptr %t1614
+  %t1616 = load { ptr, i64, i64 }, ptr %a8
+  %t1617 = load { ptr, i64, i64 }, ptr %a1588
+  %t1618 = load %S.ast.Node, ptr %a2
+  %t1619 = call %S.ast.Type @finch.gen.instStruct(ptr %t1611, { ptr, i64, i64 } %t1615, { ptr, i64, i64 } %t1616, { ptr, i64, i64 } %t1617, %S.ast.Node %t1618)
+  store %S.ast.Type %t1619, ptr %a1620
+  %t1621 = load ptr, ptr %a1
+  %t1622 = load ptr, ptr %a1
+  %t1623 = getelementptr inbounds %S.ast.Type, ptr %a1620, i32 0, i32 3
+  %t1624 = load { ptr, i64, i64 }, ptr %t1623
+  %t1625 = getelementptr inbounds %S.ast.Type, ptr %a1620, i32 0, i32 2
+  %t1626 = load { ptr, i64, i64 }, ptr %t1625
+  %t1627 = call i64 @finch.gen.findStruct(ptr %t1622, { ptr, i64, i64 } %t1624, { ptr, i64, i64 } %t1626)
+  %t1628 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1629 = load { ptr, i64, i64 }, ptr %t1628
+  %t1630 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t1631 = load { ptr, i64, i64 }, ptr %t1630
+  %t1632 = load %S.ast.Node, ptr %a2
+  %t1633 = call %S.gen.Val @finch.gen.construct(ptr %t1621, i64 %t1627, { ptr, i64, i64 } %t1629, { ptr, i64, i64 } %t1631, %S.ast.Node %t1632)
+  call void @finch.drop.S_ast_Type(ptr %a1620)
+  call void @finch.drop.arr_S_ast_Type(ptr %a1588)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1633
+endif7956:
+  %t1634 = load ptr, ptr %a1
+  %t1635 = load ptr, ptr %a1
+  %t1636 = icmp eq ptr %t1635, null
+  br i1 %t1636, label %panic7966, label %ok7967
+panic7966:
+  call void @finch_panic(ptr @.str.5223, i64 4835, ptr @.str.5224)
+  unreachable
+ok7967:
+  %t1637 = getelementptr inbounds %S.gen.Gen, ptr %t1635, i32 0, i32 14
+  %t1638 = load { ptr, i64, i64 }, ptr %t1637
+  %t1639 = load { ptr, i64, i64 }, ptr %a8
+  %t1640 = call i64 @finch.gen.findStruct(ptr %t1634, { ptr, i64, i64 } %t1638, { ptr, i64, i64 } %t1639)
+  store i64 %t1640, ptr %a1641
+  %t1642 = load i64, ptr %a1641
+  %t1643 = icmp sge i64 %t1642, 0
+  br i1 %t1643, label %then7968, label %endif7970
+then7968:
+  %t1644 = load ptr, ptr %a1
+  %t1645 = icmp eq ptr %t1644, null
+  br i1 %t1645, label %panic7971, label %ok7972
+panic7971:
+  call void @finch_panic(ptr @.str.5225, i64 4837, ptr @.str.5226)
+  unreachable
+ok7972:
+  %t1646 = getelementptr inbounds %S.gen.Gen, ptr %t1644, i32 0, i32 16
+  %t1647 = load i64, ptr %a1641
+  %t1648 = load { ptr, i64, i64 }, ptr %t1646
+  %t1649 = extractvalue { ptr, i64, i64 } %t1648, 1
+  %t1650 = icmp uge i64 %t1647, %t1649
+  br i1 %t1650, label %range7973, label %inrange7974
+range7973:
+  call void @finch_panic_index(ptr @.str.5227, i64 4837, i64 %t1647, i64 %t1649)
+  unreachable
+inrange7974:
+  %t1651 = extractvalue { ptr, i64, i64 } %t1648, 0
+  %t1652 = getelementptr inbounds %S.gen.StructDef, ptr %t1651, i64 %t1647
+  %t1653 = load %S.gen.StructDef, ptr %t1652
+  store %S.gen.StructDef %t1653, ptr %a1654
+  call void @finch.copy.S_gen_StructDef(ptr %a1655, ptr %a1654)
+  %t1656 = load %S.gen.StructDef, ptr %a1655
+  store %S.gen.StructDef %t1656, ptr %a1657
+  %t1658 = load ptr, ptr %a1
+  %t1659 = icmp eq ptr %t1658, null
+  br i1 %t1659, label %panic7975, label %ok7976
+panic7975:
+  call void @finch_panic(ptr @.str.5228, i64 4838, ptr @.str.5229)
+  unreachable
+ok7976:
+  %t1660 = getelementptr inbounds %S.gen.Gen, ptr %t1658, i32 0, i32 27
+  %t1661 = load i1, ptr %t1660
+  br label %logic.from7977
+logic.from7977:
+  br i1 %t1661, label %logic.rhs7978, label %logic.end7979
+logic.rhs7978:
+  %t1662 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 2
+  %t1663 = load i1, ptr %t1662
+  %t1664 = xor i1 %t1663, true
+  br label %logic.rend7980
+logic.rend7980:
+  br label %logic.end7979
+logic.end7979:
+  %t1665 = phi i1 [ false, %logic.from7977 ], [ %t1664, %logic.rend7980 ]
+  br i1 %t1665, label %then7981, label %endif7983
+then7981:
+  %t1666 = load ptr, ptr %a1
+  %t1667 = icmp eq ptr %t1666, null
+  br i1 %t1667, label %panic7984, label %ok7985
+panic7984:
+  call void @finch_panic(ptr @.str.5230, i64 4839, ptr @.str.5231)
+  unreachable
+ok7985:
+  %t1668 = getelementptr inbounds %S.gen.Gen, ptr %t1666, i32 0, i32 0
+  %t1669 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 13
+  %t1670 = load i64, ptr %t1669
+  %t1671 = load { ptr, i64, i64 }, ptr %t1668
+  %t1672 = extractvalue { ptr, i64, i64 } %t1671, 1
+  %t1673 = icmp uge i64 %t1670, %t1672
+  br i1 %t1673, label %range7986, label %inrange7987
+range7986:
+  call void @finch_panic_index(ptr @.str.5232, i64 4839, i64 %t1670, i64 %t1672)
+  unreachable
+inrange7987:
+  %t1674 = extractvalue { ptr, i64, i64 } %t1671, 0
+  %t1675 = getelementptr inbounds %S.ast.Program, ptr %t1674, i64 %t1670
+  %t1676 = getelementptr inbounds %S.ast.Program, ptr %t1675, i32 0, i32 6
+  %t1677 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 14
+  %t1678 = load i64, ptr %t1677
+  %t1679 = load { ptr, i64, i64 }, ptr %t1676
+  %t1680 = extractvalue { ptr, i64, i64 } %t1679, 1
+  %t1681 = icmp uge i64 %t1678, %t1680
+  br i1 %t1681, label %range7988, label %inrange7989
+range7988:
+  call void @finch_panic_index(ptr @.str.5233, i64 4839, i64 %t1678, i64 %t1680)
+  unreachable
+inrange7989:
+  %t1682 = extractvalue { ptr, i64, i64 } %t1679, 0
+  %t1683 = getelementptr inbounds %S.ast.Node, ptr %t1682, i64 %t1678
+  %t1684 = load %S.ast.Node, ptr %t1683
+  store %S.ast.Node %t1684, ptr %a1685
+  call void @finch.copy.S_ast_Node(ptr %a1686, ptr %a1685)
+  %t1687 = load %S.ast.Node, ptr %a1686
+  store %S.ast.Node %t1687, ptr %a1688
+  %t1689 = load ptr, ptr %a1
+  %t1690 = load %S.ast.Node, ptr %a2
+  %t1691 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
+  %t1692 = load i64, ptr %t1691
+  %t1693 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t1694 = load i64, ptr %t1693
+  %t1695 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 1
+  %t1696 = load { ptr, i64, i64 }, ptr %t1695
+  store { ptr, i64, i64 } { ptr @.str.5234, i64 16, i64 0 }, ptr %a1698
+  store { ptr, i64, i64 } %t1696, ptr %a1699
+  call void @finch_str_concat(ptr %a1697, ptr %a1698, ptr %a1699)
+  %t1700 = load { ptr, i64, i64 }, ptr %a1697
+  store { ptr, i64, i64 } %t1700, ptr %a1702
+  store { ptr, i64, i64 } { ptr @.str.5235, i64 3, i64 0 }, ptr %a1703
+  call void @finch_str_concat(ptr %a1701, ptr %a1702, ptr %a1703)
+  store { ptr, i64, i64 } %t1700, ptr %a1704
+  call void @finch_str_drop(ptr %a1704)
+  %t1705 = load { ptr, i64, i64 }, ptr %a1701
+  %t1706 = getelementptr inbounds %S.gen.StructDef, ptr %a1657, i32 0, i32 11
+  %t1707 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1706, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5236, i64 2, i64 0 }, ptr %a1708
+  call void @finch_str_join(ptr %a1709, ptr %t1706, ptr %a1708)
+  %t1710 = load { ptr, i64, i64 }, ptr %a1709
+  store { ptr, i64, i64 } %t1705, ptr %a1712
+  store { ptr, i64, i64 } %t1710, ptr %a1713
+  call void @finch_str_concat(ptr %a1711, ptr %a1712, ptr %a1713)
+  store { ptr, i64, i64 } %t1705, ptr %a1714
+  call void @finch_str_drop(ptr %a1714)
+  store { ptr, i64, i64 } %t1710, ptr %a1715
+  call void @finch_str_drop(ptr %a1715)
+  %t1716 = load { ptr, i64, i64 }, ptr %a1711
+  store { ptr, i64, i64 } %t1716, ptr %a1718
+  store { ptr, i64, i64 } { ptr @.str.5237, i64 6, i64 0 }, ptr %a1719
+  call void @finch_str_concat(ptr %a1717, ptr %a1718, ptr %a1719)
+  store { ptr, i64, i64 } %t1716, ptr %a1720
+  call void @finch_str_drop(ptr %a1720)
+  %t1721 = load { ptr, i64, i64 }, ptr %a1717
+  %t1722 = load ptr, ptr %a1
+  %t1723 = icmp eq ptr %t1722, null
+  br i1 %t1723, label %panic7990, label %ok7991
+panic7990:
+  call void @finch_panic(ptr @.str.5238, i64 4840, ptr @.str.5239)
+  unreachable
+ok7991:
+  %t1724 = getelementptr inbounds %S.gen.Gen, ptr %t1722, i32 0, i32 1
+  %t1725 = getelementptr inbounds %S.ast.Node, ptr %a1688, i32 0, i32 13
+  %t1726 = load i64, ptr %t1725
+  %t1727 = load { ptr, i64, i64 }, ptr %t1724
+  %t1728 = extractvalue { ptr, i64, i64 } %t1727, 1
+  %t1729 = icmp uge i64 %t1726, %t1728
+  br i1 %t1729, label %range7992, label %inrange7993
+range7992:
+  call void @finch_panic_index(ptr @.str.5240, i64 4840, i64 %t1726, i64 %t1728)
+  unreachable
+inrange7993:
+  %t1730 = extractvalue { ptr, i64, i64 } %t1727, 0
+  %t1731 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1730, i64 %t1726
+  %t1732 = load { ptr, i64, i64 }, ptr %t1731
+  %t1733 = getelementptr inbounds %S.ast.Node, ptr %a1688, i32 0, i32 11
+  %t1734 = load i64, ptr %t1733
+  %t1735 = getelementptr inbounds %S.ast.Node, ptr %a1688, i32 0, i32 12
+  %t1736 = load i64, ptr %t1735
+  call void @finch.gen.noteRef(ptr %t1689, %S.ast.Node %t1690, i64 %t1692, i64 %t1694, { ptr, i64, i64 } %t1721, { ptr, i64, i64 } %t1732, i64 %t1734, i64 %t1736)
+  store { ptr, i64, i64 } %t1721, ptr %a1737
+  call void @finch_str_drop(ptr %a1737)
+  call void @finch.drop.S_ast_Node(ptr %a1688)
+  br label %endif7983
+endif7983:
+  %t1738 = load ptr, ptr %a1
+  %t1739 = load i64, ptr %a1641
+  %t1740 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1741 = load { ptr, i64, i64 }, ptr %t1740
+  %t1742 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t1743 = load { ptr, i64, i64 }, ptr %t1742
+  %t1744 = load %S.ast.Node, ptr %a2
+  %t1745 = call %S.gen.Val @finch.gen.construct(ptr %t1738, i64 %t1739, { ptr, i64, i64 } %t1741, { ptr, i64, i64 } %t1743, %S.ast.Node %t1744)
+  call void @finch.drop.S_gen_StructDef(ptr %a1657)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1745
+endif7970:
+  %t1746 = load ptr, ptr %a1
+  %t1747 = load ptr, ptr %a1
+  %t1748 = icmp eq ptr %t1747, null
+  br i1 %t1748, label %panic7994, label %ok7995
+panic7994:
+  call void @finch_panic(ptr @.str.5241, i64 4844, ptr @.str.5242)
+  unreachable
+ok7995:
+  %t1749 = getelementptr inbounds %S.gen.Gen, ptr %t1747, i32 0, i32 14
+  %t1750 = load { ptr, i64, i64 }, ptr %t1749
+  %t1751 = load { ptr, i64, i64 }, ptr %a8
+  %t1752 = call i64 @finch.gen.findEnum(ptr %t1746, { ptr, i64, i64 } %t1750, { ptr, i64, i64 } %t1751)
+  store i64 %t1752, ptr %a1753
+  %t1754 = load i64, ptr %a1753
+  %t1755 = icmp sge i64 %t1754, 0
+  br i1 %t1755, label %then7996, label %endif7998
+then7996:
+  %t1756 = load ptr, ptr %a1
+  %t1757 = load %S.ast.Node, ptr %a2
+  %t1758 = load i64, ptr %a1753
+  %t1759 = call %S.gen.Val @finch.gen.enumFrom(ptr %t1756, %S.ast.Node %t1757, i64 %t1758)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1759
+endif7998:
+  %t1760 = load ptr, ptr %a1
+  %t1761 = icmp eq ptr %t1760, null
+  br i1 %t1761, label %panic7999, label %ok8000
+panic7999:
+  call void @finch_panic(ptr @.str.5243, i64 4848, ptr @.str.5244)
+  unreachable
+ok8000:
+  %t1762 = getelementptr inbounds %S.gen.Gen, ptr %t1760, i32 0, i32 25
+  %t1763 = getelementptr inbounds %S.cimport.CImports, ptr %t1762, i32 0, i32 0
+  %t1764 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1764, ptr %a1765
+  %t1766 = call i64 @finch_map_find(ptr %t1763, ptr %a1765, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t1767 = icmp sge i64 %t1766, 0
+  br i1 %t1767, label %then8001, label %endif8003
+then8001:
+  %t1768 = load ptr, ptr %a1
+  %t1769 = load %S.ast.Node, ptr %a2
+  %t1770 = load ptr, ptr %a1
+  %t1771 = icmp eq ptr %t1770, null
+  br i1 %t1771, label %panic8004, label %ok8005
+panic8004:
+  call void @finch_panic(ptr @.str.5245, i64 4849, ptr @.str.5246)
+  unreachable
+ok8005:
+  %t1772 = getelementptr inbounds %S.gen.Gen, ptr %t1770, i32 0, i32 25
+  %t1773 = getelementptr inbounds %S.cimport.CImports, ptr %t1772, i32 0, i32 0
+  %t1774 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t1774, ptr %a1775
+  %t1776 = call i64 @finch_map_find(ptr %t1773, ptr %a1775, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t1777 = icmp slt i64 %t1776, 0
+  br i1 %t1777, label %map.missing8006, label %map.found8007
+map.missing8006:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1778
+  store { ptr, i64, i64 } %t1774, ptr %a1779
+  call void @finch_buf_str(ptr %a1778, ptr %a1779, i32 1)
+  call void @finch_map_missing(ptr @.str.5247, i64 4849, ptr %a1778)
+  unreachable
+map.found8007:
+  %t1780 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t1773, i32 0, i32 0
+  %t1781 = load ptr, ptr %t1780
+  %t1782 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1781, i64 %t1776
+  %t1783 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t1782, i32 0, i32 2
+  %t1784 = load %S.cimport.CFunc, ptr %t1783
+  %t1785 = call %S.gen.Val @finch.gen.callC(ptr %t1768, %S.ast.Node %t1769, %S.cimport.CFunc %t1784)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1785
+endif8003:
+  %t1786 = load ptr, ptr %a1
+  %t1787 = load { ptr, i64, i64 }, ptr %a8
+  %t1788 = call i64 @finch.gen.findStruct(ptr %t1786, { ptr, i64, i64 } { ptr @.str.5248, i64 1, i64 0 }, { ptr, i64, i64 } %t1787)
+  store i64 %t1788, ptr %a1641
+  %t1789 = load i64, ptr %a1641
+  %t1790 = icmp sge i64 %t1789, 0
+  br i1 %t1790, label %then8008, label %endif8010
+then8008:
+  %t1791 = load ptr, ptr %a1
+  %t1792 = load i64, ptr %a1641
+  %t1793 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1794 = load { ptr, i64, i64 }, ptr %t1793
+  %t1795 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t1796 = load { ptr, i64, i64 }, ptr %t1795
+  %t1797 = load %S.ast.Node, ptr %a2
+  %t1798 = call %S.gen.Val @finch.gen.construct(ptr %t1791, i64 %t1792, { ptr, i64, i64 } %t1794, { ptr, i64, i64 } %t1796, %S.ast.Node %t1797)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
+  ret %S.gen.Val %t1798
+endif8010:
+  %t1799 = load ptr, ptr %a1
+  %t1800 = load { ptr, i64, i64 }, ptr %a8
+  %t1801 = call i64 @finch.gen.lookup(ptr %t1799, { ptr, i64, i64 } %t1800)
+  %t1802 = icmp sge i64 %t1801, 0
+  br i1 %t1802, label %then8011, label %endif8013
+then8011:
+  %t1803 = load ptr, ptr %a1
+  %t1804 = load %S.ast.Node, ptr %a2
+  %t1805 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5249, i64 1, i64 0 }, ptr %a1807
+  store { ptr, i64, i64 } %t1805, ptr %a1808
+  call void @finch_str_concat(ptr %a1806, ptr %a1807, ptr %a1808)
+  %t1809 = load { ptr, i64, i64 }, ptr %a1806
+  store { ptr, i64, i64 } %t1809, ptr %a1811
+  store { ptr, i64, i64 } { ptr @.str.5250, i64 31, i64 0 }, ptr %a1812
+  call void @finch_str_concat(ptr %a1810, ptr %a1811, ptr %a1812)
+  store { ptr, i64, i64 } %t1809, ptr %a1813
+  call void @finch_str_drop(ptr %a1813)
+  %t1814 = load { ptr, i64, i64 }, ptr %a1810
+  call void @finch.gen.fail(ptr %t1803, %S.ast.Node %t1804, { ptr, i64, i64 } %t1814)
+  store { ptr, i64, i64 } %t1814, ptr %a1815
+  call void @finch_str_drop(ptr %a1815)
+  br label %endif8013
+endif8013:
+  %t1816 = load ptr, ptr %a1
+  %t1817 = load %S.ast.Node, ptr %a2
+  %t1818 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.5251, i64 28, i64 0 }, ptr %a1820
+  store { ptr, i64, i64 } %t1818, ptr %a1821
+  call void @finch_str_concat(ptr %a1819, ptr %a1820, ptr %a1821)
+  %t1822 = load { ptr, i64, i64 }, ptr %a1819
+  store { ptr, i64, i64 } %t1822, ptr %a1824
+  store { ptr, i64, i64 } { ptr @.str.5252, i64 1, i64 0 }, ptr %a1825
+  call void @finch_str_concat(ptr %a1823, ptr %a1824, ptr %a1825)
+  store { ptr, i64, i64 } %t1822, ptr %a1826
+  call void @finch_str_drop(ptr %a1826)
+  %t1827 = load { ptr, i64, i64 }, ptr %a1823
+  %t1828 = load { ptr, i64, i64 }, ptr %a8
+  %t1829 = call { ptr, i64, i64 } @finch.gen.headerHint({ ptr, i64, i64 } %t1828)
+  store { ptr, i64, i64 } %t1827, ptr %a1831
+  store { ptr, i64, i64 } %t1829, ptr %a1832
+  call void @finch_str_concat(ptr %a1830, ptr %a1831, ptr %a1832)
+  store { ptr, i64, i64 } %t1827, ptr %a1833
+  call void @finch_str_drop(ptr %a1833)
+  store { ptr, i64, i64 } %t1829, ptr %a1834
+  call void @finch_str_drop(ptr %a1834)
+  %t1835 = load { ptr, i64, i64 }, ptr %a1830
+  call void @finch.gen.fail(ptr %t1816, %S.ast.Node %t1817, { ptr, i64, i64 } %t1835)
+  store { ptr, i64, i64 } %t1835, ptr %a1836
+  call void @finch_str_drop(ptr %a1836)
+  call void @finch_str_drop(ptr %a570)
+  call void @finch_str_drop(ptr %a8)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -68773,27 +81708,41 @@ entry:
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca i64, align 16
-  %a76 = alloca %S.ast.Node, align 16
-  %a77 = alloca %S.ast.Node, align 16
-  %a79 = alloca %S.ast.Node, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca %S.gen.Val, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca %S.ast.Type, align 16
-  %a155 = alloca %S.ast.Type, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca i64, align 16
+  %a70 = alloca i64, align 16
+  %a83 = alloca %S.ast.Node, align 16
+  %a84 = alloca %S.ast.Node, align 16
+  %a86 = alloca %S.ast.Node, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca %S.gen.Val, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca %S.gen.Val, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca %S.ast.Type, align 16
+  %a166 = alloca %S.ast.Type, align 16
+  %a171 = alloca %S.gen.Val, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca %S.gen.Val, align 16
+  %a204 = alloca %S.gen.Val, align 16
+  %a220 = alloca %S.gen.Val, align 16
+  %a221 = alloca i64, align 16
+  %a229 = alloca %S.gen.Val, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
@@ -68803,21 +81752,21 @@ entry:
   store { ptr, i64, i64 } %p6, ptr %a7
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic7621, label %ok7622
-panic7621:
-  call void @finch_panic(ptr @.str.5071, i64 4524, ptr @.str.5072)
+  br i1 %t9, label %panic8014, label %ok8015
+panic8014:
+  call void @finch_panic(ptr @.str.5253, i64 4863, ptr @.str.5254)
   unreachable
-ok7622:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 14
+ok8015:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 15
   %t11 = load i64, ptr %a2
   %t12 = load { ptr, i64, i64 }, ptr %t10
   %t13 = extractvalue { ptr, i64, i64 } %t12, 1
   %t14 = icmp uge i64 %t11, %t13
-  br i1 %t14, label %range7623, label %inrange7624
-range7623:
-  call void @finch_panic_index(ptr @.str.5073, i64 4524, i64 %t11, i64 %t13)
+  br i1 %t14, label %range8016, label %inrange8017
+range8016:
+  call void @finch_panic_index(ptr @.str.5255, i64 4863, i64 %t11, i64 %t13)
   unreachable
-inrange7624:
+inrange8017:
   %t15 = extractvalue { ptr, i64, i64 } %t12, 0
   %t16 = getelementptr inbounds %S.gen.FnSig, ptr %t15, i64 %t11
   %t17 = load %S.gen.FnSig, ptr %t16
@@ -68829,28 +81778,28 @@ inrange7624:
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = icmp eq i64 %t24, 0
-  br label %logic.from7625
-logic.from7625:
-  br i1 %t25, label %logic.rhs7626, label %logic.end7627
-logic.rhs7626:
+  br label %logic.from8018
+logic.from8018:
+  br i1 %t25, label %logic.rhs8019, label %logic.end8020
+logic.rhs8019:
   %t26 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 1
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.5074, i64 4, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.5256, i64 4, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br label %logic.rend7628
-logic.rend7628:
-  br label %logic.end7627
-logic.end7627:
-  %t32 = phi i1 [ false, %logic.from7625 ], [ %t31, %logic.rend7628 ]
-  br i1 %t32, label %then7629, label %endif7631
-then7629:
+  br label %logic.rend8021
+logic.rend8021:
+  br label %logic.end8020
+logic.end8020:
+  %t32 = phi i1 [ false, %logic.from8018 ], [ %t31, %logic.rend8021 ]
+  br i1 %t32, label %then8022, label %endif8024
+then8022:
   %t33 = load ptr, ptr %a1
   %t34 = load %S.ast.Node, ptr %a3
-  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } { ptr @.str.5075, i64 52, i64 0 })
-  br label %endif7631
-endif7631:
+  call void @finch.gen.fail(ptr %t33, %S.ast.Node %t34, { ptr, i64, i64 } { ptr @.str.5257, i64 52, i64 0 })
+  br label %endif8024
+endif8024:
   %t35 = load ptr, ptr %a1
   %t36 = load %S.ast.Node, ptr %a3
   %t37 = load %S.gen.FnSig, ptr %a21
@@ -68868,11 +81817,11 @@ endif7631:
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i32 0, i32 1
   %t48 = load i64, ptr %t47
   %t49 = icmp sgt i64 %t48, 0
-  br i1 %t49, label %then7632, label %endif7634
-then7632:
+  br i1 %t49, label %then8025, label %endif8027
+then8025:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
   %t51 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.5076, i64 4, i64 0 }, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.5258, i64 4, i64 0 }, ptr %a53
   store { ptr, i64, i64 } %t51, ptr %a54
   call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
   %t55 = load { ptr, i64, i64 }, ptr %a52
@@ -68883,212 +81832,293 @@ then7632:
   %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i64 %t56
   store { ptr, i64, i64 } %t55, ptr %t59
   store i64 %t57, ptr %t50
-  br label %endif7634
-endif7634:
-  %t60 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
-  %t62 = load i64, ptr %t61
-  store i64 0, ptr %a63
-  br label %for.cond7635
-for.cond7635:
-  %t64 = load i64, ptr %a63
-  %t65 = icmp slt i64 %t64, %t62
-  br i1 %t65, label %for.body7636, label %for.end7638
-for.body7636:
-  %t66 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
-  %t67 = load i64, ptr %a4
-  %t68 = load i64, ptr %a63
-  %t69 = add i64 %t67, %t68
-  %t70 = load { ptr, i64, i64 }, ptr %t66
-  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
-  %t72 = icmp uge i64 %t69, %t71
-  br i1 %t72, label %range7639, label %inrange7640
-range7639:
-  call void @finch_panic_index(ptr @.str.5077, i64 4535, i64 %t69, i64 %t71)
+  br label %endif8027
+endif8027:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a60
+  %t61 = load ptr, ptr %a1
+  %t62 = icmp eq ptr %t61, null
+  br i1 %t62, label %panic8028, label %ok8029
+panic8028:
+  call void @finch_panic(ptr @.str.5259, i64 4874, ptr @.str.5260)
   unreachable
-inrange7640:
-  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 %t69
-  %t75 = load %S.ast.Node, ptr %t74
-  store %S.ast.Node %t75, ptr %a76
-  call void @finch.copy.S_ast_Node(ptr %a77, ptr %a76)
-  %t78 = load %S.ast.Node, ptr %a77
-  store %S.ast.Node %t78, ptr %a79
-  %t80 = load ptr, ptr %a1
-  %t81 = load ptr, ptr %a1
-  %t82 = load %S.ast.Node, ptr %a79
-  %t83 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t84 = load i64, ptr %a63
-  %t85 = load { ptr, i64, i64 }, ptr %t83
-  %t86 = extractvalue { ptr, i64, i64 } %t85, 1
-  %t87 = icmp uge i64 %t84, %t86
-  br i1 %t87, label %range7641, label %inrange7642
-range7641:
-  call void @finch_panic_index(ptr @.str.5078, i64 4536, i64 %t84, i64 %t86)
+ok8029:
+  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 11
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
+  %t65 = load i64, ptr %t64
+  store i64 %t65, ptr %a66
+  %t67 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i32 0, i32 1
+  %t69 = load i64, ptr %t68
+  store i64 0, ptr %a70
+  br label %for.cond8030
+for.cond8030:
+  %t71 = load i64, ptr %a70
+  %t72 = icmp slt i64 %t71, %t69
+  br i1 %t72, label %for.body8031, label %for.end8033
+for.body8031:
+  %t73 = getelementptr inbounds %S.ast.Node, ptr %a3, i32 0, i32 9
+  %t74 = load i64, ptr %a4
+  %t75 = load i64, ptr %a70
+  %t76 = add i64 %t74, %t75
+  %t77 = load { ptr, i64, i64 }, ptr %t73
+  %t78 = extractvalue { ptr, i64, i64 } %t77, 1
+  %t79 = icmp uge i64 %t76, %t78
+  br i1 %t79, label %range8034, label %inrange8035
+range8034:
+  call void @finch_panic_index(ptr @.str.5261, i64 4876, i64 %t76, i64 %t78)
   unreachable
-inrange7642:
-  %t88 = extractvalue { ptr, i64, i64 } %t85, 0
-  %t89 = getelementptr inbounds %S.ast.Type, ptr %t88, i64 %t84
-  %t90 = load %S.ast.Type, ptr %t89
-  %t91 = call %S.gen.Val @finch.gen.exprWant(ptr %t81, %S.ast.Node %t82, %S.ast.Type %t90)
-  %t92 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t93 = load i64, ptr %a63
-  %t94 = load { ptr, i64, i64 }, ptr %t92
-  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
-  %t96 = icmp uge i64 %t93, %t95
-  br i1 %t96, label %range7643, label %inrange7644
-range7643:
-  call void @finch_panic_index(ptr @.str.5079, i64 4536, i64 %t93, i64 %t95)
+inrange8035:
+  %t80 = extractvalue { ptr, i64, i64 } %t77, 0
+  %t81 = getelementptr inbounds %S.ast.Node, ptr %t80, i64 %t76
+  %t82 = load %S.ast.Node, ptr %t81
+  store %S.ast.Node %t82, ptr %a83
+  call void @finch.copy.S_ast_Node(ptr %a84, ptr %a83)
+  %t85 = load %S.ast.Node, ptr %a84
+  store %S.ast.Node %t85, ptr %a86
+  %t87 = load ptr, ptr %a1
+  %t88 = load ptr, ptr %a1
+  %t89 = load %S.ast.Node, ptr %a86
+  %t90 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t91 = load i64, ptr %a70
+  %t92 = load { ptr, i64, i64 }, ptr %t90
+  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
+  %t94 = icmp uge i64 %t91, %t93
+  br i1 %t94, label %range8036, label %inrange8037
+range8036:
+  call void @finch_panic_index(ptr @.str.5262, i64 4877, i64 %t91, i64 %t93)
   unreachable
-inrange7644:
-  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
-  %t98 = getelementptr inbounds %S.ast.Type, ptr %t97, i64 %t93
-  %t99 = load %S.ast.Type, ptr %t98
-  %t100 = load %S.ast.Node, ptr %a79
-  %t101 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 14
-  %t102 = load i64, ptr %a63
-  %t103 = load { ptr, i64, i64 }, ptr %t101
-  %t104 = extractvalue { ptr, i64, i64 } %t103, 1
-  %t105 = icmp uge i64 %t102, %t104
-  br i1 %t105, label %range7645, label %inrange7646
-range7645:
-  call void @finch_panic_index(ptr @.str.5081, i64 4536, i64 %t102, i64 %t104)
+inrange8037:
+  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
+  %t96 = getelementptr inbounds %S.ast.Type, ptr %t95, i64 %t91
+  %t97 = load %S.ast.Type, ptr %t96
+  %t98 = call %S.gen.Val @finch.gen.exprWant(ptr %t88, %S.ast.Node %t89, %S.ast.Type %t97)
+  %t99 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t100 = load i64, ptr %a70
+  %t101 = load { ptr, i64, i64 }, ptr %t99
+  %t102 = extractvalue { ptr, i64, i64 } %t101, 1
+  %t103 = icmp uge i64 %t100, %t102
+  br i1 %t103, label %range8038, label %inrange8039
+range8038:
+  call void @finch_panic_index(ptr @.str.5263, i64 4877, i64 %t100, i64 %t102)
   unreachable
-inrange7646:
-  %t106 = extractvalue { ptr, i64, i64 } %t103, 0
-  %t107 = getelementptr inbounds { ptr, i64, i64 }, ptr %t106, i64 %t102
-  %t108 = load { ptr, i64, i64 }, ptr %t107
-  store { ptr, i64, i64 } { ptr @.str.5080, i64 10, i64 0 }, ptr %a110
-  store { ptr, i64, i64 } %t108, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  store { ptr, i64, i64 } %t112, ptr %a114
-  store { ptr, i64, i64 } { ptr @.str.5082, i64 1, i64 0 }, ptr %a115
-  call void @finch_str_concat(ptr %a113, ptr %a114, ptr %a115)
-  %t116 = load { ptr, i64, i64 }, ptr %a113
-  %t117 = call %S.gen.Val @finch.gen.coerce(ptr %t80, %S.gen.Val %t91, %S.ast.Type %t99, %S.ast.Node %t100, { ptr, i64, i64 } %t116)
-  store %S.gen.Val %t117, ptr %a118
-  %t119 = load ptr, ptr %a1
-  %t120 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t121 = load i64, ptr %a63
-  %t122 = load { ptr, i64, i64 }, ptr %t120
-  %t123 = extractvalue { ptr, i64, i64 } %t122, 1
-  %t124 = icmp uge i64 %t121, %t123
-  br i1 %t124, label %range7647, label %inrange7648
-range7647:
-  call void @finch_panic_index(ptr @.str.5083, i64 4538, i64 %t121, i64 %t123)
+inrange8039:
+  %t104 = extractvalue { ptr, i64, i64 } %t101, 0
+  %t105 = getelementptr inbounds %S.ast.Type, ptr %t104, i64 %t100
+  %t106 = load %S.ast.Type, ptr %t105
+  %t107 = load %S.ast.Node, ptr %a86
+  %t108 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 14
+  %t109 = load i64, ptr %a70
+  %t110 = load { ptr, i64, i64 }, ptr %t108
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 %t109, %t111
+  br i1 %t112, label %range8040, label %inrange8041
+range8040:
+  call void @finch_panic_index(ptr @.str.5265, i64 4877, i64 %t109, i64 %t111)
   unreachable
-inrange7648:
-  %t125 = extractvalue { ptr, i64, i64 } %t122, 0
-  %t126 = getelementptr inbounds %S.ast.Type, ptr %t125, i64 %t121
-  %t127 = load %S.ast.Type, ptr %t126
-  %t128 = call i1 @finch.gen.owning(ptr %t119, %S.ast.Type %t127)
-  br label %logic.from7649
-logic.from7649:
-  br i1 %t128, label %logic.rhs7650, label %logic.end7651
-logic.rhs7650:
-  %t129 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 2
-  %t130 = load i1, ptr %t129
-  %t131 = xor i1 %t130, true
-  br label %logic.rend7652
-logic.rend7652:
-  br label %logic.end7651
-logic.end7651:
-  %t132 = phi i1 [ false, %logic.from7649 ], [ %t131, %logic.rend7652 ]
-  br label %logic.from7653
-logic.from7653:
-  br i1 %t132, label %logic.rhs7654, label %logic.end7655
-logic.rhs7654:
-  %t133 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t134 = load i64, ptr %t133
-  %t135 = icmp sgt i64 %t134, 0
-  br label %logic.rend7656
-logic.rend7656:
-  br label %logic.end7655
-logic.end7655:
-  %t136 = phi i1 [ false, %logic.from7653 ], [ %t135, %logic.rend7656 ]
-  br label %logic.from7657
-logic.from7657:
-  br i1 %t136, label %logic.rhs7658, label %logic.end7659
-logic.rhs7658:
-  %t137 = load %S.ast.Node, ptr %a79
-  %t138 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t137)
-  %t139 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } %t139, ptr %a141
-  %t142 = call i32 @finch_str_eq(ptr %a140, ptr %a141)
-  %t143 = icmp ne i32 %t142, 0
-  br label %logic.rend7660
-logic.rend7660:
-  br label %logic.end7659
-logic.end7659:
-  %t144 = phi i1 [ false, %logic.from7657 ], [ %t143, %logic.rend7660 ]
-  br i1 %t144, label %then7661, label %endif7663
-then7661:
-  %t145 = load ptr, ptr %a1
-  %t146 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 0
-  %t147 = load { ptr, i64, i64 }, ptr %t146
-  %t148 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 1
-  %t149 = load %S.ast.Type, ptr %t148
-  %t150 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t145, { ptr, i64, i64 } %t147, %S.ast.Type %t149)
-  %t151 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t150, 0
-  %t152 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 1
-  %t153 = load %S.ast.Type, ptr %t152
-  store %S.ast.Type %t153, ptr %a154
-  call void @finch.copy.S_ast_Type(ptr %a155, ptr %a154)
-  %t156 = load %S.ast.Type, ptr %a155
-  %t157 = insertvalue %S.gen.Val %t151, %S.ast.Type %t156, 1
-  %t158 = insertvalue %S.gen.Val %t157, i1 true, 2
-  store %S.gen.Val %t158, ptr %a118
-  br label %endif7663
-endif7663:
-  %t159 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
-  %t160 = load ptr, ptr %a1
-  %t161 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
-  %t162 = load i64, ptr %a63
-  %t163 = load { ptr, i64, i64 }, ptr %t161
-  %t164 = extractvalue { ptr, i64, i64 } %t163, 1
-  %t165 = icmp uge i64 %t162, %t164
-  br i1 %t165, label %range7664, label %inrange7665
-range7664:
-  call void @finch_panic_index(ptr @.str.5084, i64 4541, i64 %t162, i64 %t164)
+inrange8041:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %t113, i64 %t109
+  %t115 = load { ptr, i64, i64 }, ptr %t114
+  store { ptr, i64, i64 } { ptr @.str.5264, i64 10, i64 0 }, ptr %a117
+  store { ptr, i64, i64 } %t115, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t119, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.5266, i64 1, i64 0 }, ptr %a122
+  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
+  store { ptr, i64, i64 } %t119, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  %t124 = load { ptr, i64, i64 }, ptr %a120
+  %t125 = call %S.gen.Val @finch.gen.coerce(ptr %t87, %S.gen.Val %t98, %S.ast.Type %t106, %S.ast.Node %t107, { ptr, i64, i64 } %t124)
+  store %S.gen.Val %t98, ptr %a126
+  call void @finch.drop.S_gen_Val(ptr %a126)
+  store { ptr, i64, i64 } %t124, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  store %S.gen.Val %t125, ptr %a128
+  %t129 = load ptr, ptr %a1
+  %t130 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t131 = load i64, ptr %a70
+  %t132 = load { ptr, i64, i64 }, ptr %t130
+  %t133 = extractvalue { ptr, i64, i64 } %t132, 1
+  %t134 = icmp uge i64 %t131, %t133
+  br i1 %t134, label %range8042, label %inrange8043
+range8042:
+  call void @finch_panic_index(ptr @.str.5267, i64 4879, i64 %t131, i64 %t133)
   unreachable
-inrange7665:
-  %t166 = extractvalue { ptr, i64, i64 } %t163, 0
-  %t167 = getelementptr inbounds %S.ast.Type, ptr %t166, i64 %t162
-  %t168 = load %S.ast.Type, ptr %t167
-  %t169 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t160, %S.ast.Type %t168)
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.5085, i64 1, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = getelementptr inbounds %S.gen.Val, ptr %a118, i32 0, i32 0
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  store { ptr, i64, i64 } %t173, ptr %a177
-  store { ptr, i64, i64 } %t175, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load i64, ptr %t159
-  %t181 = add i64 %t180, 1
-  call void @finch_arr_reserve(ptr %a45, i64 %t181, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t182 = load ptr, ptr %a45
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t182, i64 %t180
-  store { ptr, i64, i64 } %t179, ptr %t183
-  store i64 %t181, ptr %t159
-  br label %for.step7637
-for.step7637:
-  %t184 = load i64, ptr %a63
-  %t185 = add i64 %t184, 1
-  store i64 %t185, ptr %a63
-  br label %for.cond7635
-for.end7638:
-  %t186 = load ptr, ptr %a1
-  %t187 = load %S.gen.FnSig, ptr %a21
-  %t188 = load %S.ast.Node, ptr %a3
-  %t189 = load { ptr, i64, i64 }, ptr %a45
-  %t190 = load { ptr, i64, i64 }, ptr %a5
-  %t191 = call %S.gen.Val @finch.gen.emitCall(ptr %t186, %S.gen.FnSig %t187, %S.ast.Node %t188, { ptr, i64, i64 } %t189, { ptr, i64, i64 } %t190)
-  ret %S.gen.Val %t191
+inrange8043:
+  %t135 = extractvalue { ptr, i64, i64 } %t132, 0
+  %t136 = getelementptr inbounds %S.ast.Type, ptr %t135, i64 %t131
+  %t137 = load %S.ast.Type, ptr %t136
+  %t138 = call i1 @finch.gen.owning(ptr %t129, %S.ast.Type %t137)
+  br label %logic.from8044
+logic.from8044:
+  br i1 %t138, label %logic.rhs8045, label %logic.end8046
+logic.rhs8045:
+  %t139 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 2
+  %t140 = load i1, ptr %t139
+  %t141 = xor i1 %t140, true
+  br label %logic.rend8047
+logic.rend8047:
+  br label %logic.end8046
+logic.end8046:
+  %t142 = phi i1 [ false, %logic.from8044 ], [ %t141, %logic.rend8047 ]
+  br label %logic.from8048
+logic.from8048:
+  br i1 %t142, label %logic.rhs8049, label %logic.end8050
+logic.rhs8049:
+  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t144 = load i64, ptr %t143
+  %t145 = icmp sgt i64 %t144, 0
+  br label %logic.rend8051
+logic.rend8051:
+  br label %logic.end8050
+logic.end8050:
+  %t146 = phi i1 [ false, %logic.from8048 ], [ %t145, %logic.rend8051 ]
+  br label %logic.from8052
+logic.from8052:
+  br i1 %t146, label %logic.rhs8053, label %logic.end8054
+logic.rhs8053:
+  %t147 = load %S.ast.Node, ptr %a86
+  %t148 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t147)
+  %t149 = load { ptr, i64, i64 }, ptr %a7
+  store { ptr, i64, i64 } %t148, ptr %a150
+  store { ptr, i64, i64 } %t149, ptr %a151
+  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
+  %t153 = icmp ne i32 %t152, 0
+  store { ptr, i64, i64 } %t148, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  br label %logic.rend8055
+logic.rend8055:
+  br label %logic.end8054
+logic.end8054:
+  %t155 = phi i1 [ false, %logic.from8052 ], [ %t153, %logic.rend8055 ]
+  br i1 %t155, label %then8056, label %endif8058
+then8056:
+  %t156 = load ptr, ptr %a1
+  %t157 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 0
+  %t158 = load { ptr, i64, i64 }, ptr %t157
+  %t159 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 1
+  %t160 = load %S.ast.Type, ptr %t159
+  %t161 = call { ptr, i64, i64 } @finch.gen.copyValue(ptr %t156, { ptr, i64, i64 } %t158, %S.ast.Type %t160)
+  %t162 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t161, 0
+  %t163 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 1
+  %t164 = load %S.ast.Type, ptr %t163
+  store %S.ast.Type %t164, ptr %a165
+  call void @finch.copy.S_ast_Type(ptr %a166, ptr %a165)
+  %t167 = load %S.ast.Type, ptr %a166
+  %t168 = insertvalue %S.gen.Val %t162, %S.ast.Type %t167, 1
+  %t169 = insertvalue %S.gen.Val %t168, i1 true, 2
+  %t170 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t169, ptr %a128
+  store %S.gen.Val %t170, ptr %a171
+  call void @finch.drop.S_gen_Val(ptr %a171)
+  br label %endif8058
+endif8058:
+  %t172 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
+  %t173 = load ptr, ptr %a1
+  %t174 = getelementptr inbounds %S.gen.FnSig, ptr %a21, i32 0, i32 13
+  %t175 = load i64, ptr %a70
+  %t176 = load { ptr, i64, i64 }, ptr %t174
+  %t177 = extractvalue { ptr, i64, i64 } %t176, 1
+  %t178 = icmp uge i64 %t175, %t177
+  br i1 %t178, label %range8059, label %inrange8060
+range8059:
+  call void @finch_panic_index(ptr @.str.5268, i64 4882, i64 %t175, i64 %t177)
+  unreachable
+inrange8060:
+  %t179 = extractvalue { ptr, i64, i64 } %t176, 0
+  %t180 = getelementptr inbounds %S.ast.Type, ptr %t179, i64 %t175
+  %t181 = load %S.ast.Type, ptr %t180
+  %t182 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t173, %S.ast.Type %t181)
+  store { ptr, i64, i64 } %t182, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.5269, i64 1, i64 0 }, ptr %a185
+  call void @finch_str_concat(ptr %a183, ptr %a184, ptr %a185)
+  store { ptr, i64, i64 } %t182, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a183
+  %t188 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 0
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  store { ptr, i64, i64 } %t187, ptr %a191
+  store { ptr, i64, i64 } %t189, ptr %a192
+  call void @finch_str_concat(ptr %a190, ptr %a191, ptr %a192)
+  store { ptr, i64, i64 } %t187, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = load { ptr, i64, i64 }, ptr %a190
+  %t195 = load i64, ptr %t172
+  %t196 = add i64 %t195, 1
+  call void @finch_arr_reserve(ptr %a45, i64 %t196, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t197 = load ptr, ptr %a45
+  %t198 = getelementptr inbounds { ptr, i64, i64 }, ptr %t197, i64 %t195
+  store { ptr, i64, i64 } %t194, ptr %t198
+  store i64 %t196, ptr %t172
+  %t199 = getelementptr inbounds %S.gen.Val, ptr %a128, i32 0, i32 2
+  %t200 = load i1, ptr %t199
+  br i1 %t200, label %then8061, label %endif8063
+then8061:
+  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %a60, i32 0, i32 1
+  %t202 = load %S.gen.Val, ptr %a128
+  store %S.gen.Val %t202, ptr %a203
+  call void @finch.copy.S_gen_Val(ptr %a204, ptr %a203)
+  %t205 = load %S.gen.Val, ptr %a204
+  %t206 = load i64, ptr %t201
+  %t207 = add i64 %t206, 1
+  call void @finch_arr_reserve(ptr %a60, i64 %t207, i64 ptrtoint (ptr getelementptr (%S.gen.Val, ptr null, i32 1) to i64))
+  %t208 = load ptr, ptr %a60
+  %t209 = getelementptr inbounds %S.gen.Val, ptr %t208, i64 %t206
+  store %S.gen.Val %t205, ptr %t209
+  store i64 %t207, ptr %t201
+  br label %endif8063
+endif8063:
+  %t210 = load ptr, ptr %a1
+  %t211 = load %S.gen.Val, ptr %a128
+  call void @finch.gen.hold(ptr %t210, %S.gen.Val %t211)
+  call void @finch.drop.S_gen_Val(ptr %a128)
+  call void @finch.drop.S_ast_Node(ptr %a86)
+  br label %for.step8032
+for.step8032:
+  %t212 = load i64, ptr %a70
+  %t213 = add i64 %t212, 1
+  store i64 %t213, ptr %a70
+  br label %for.cond8030
+for.end8033:
+  %t214 = load ptr, ptr %a1
+  %t215 = load %S.gen.FnSig, ptr %a21
+  %t216 = load %S.ast.Node, ptr %a3
+  %t217 = load { ptr, i64, i64 }, ptr %a45
+  %t218 = load { ptr, i64, i64 }, ptr %a5
+  %t219 = call %S.gen.Val @finch.gen.emitCall(ptr %t214, %S.gen.FnSig %t215, %S.ast.Node %t216, { ptr, i64, i64 } %t217, { ptr, i64, i64 } %t218)
+  store %S.gen.Val %t219, ptr %a220
+  store i64 0, ptr %a221
+  br label %each.cond8064
+each.cond8064:
+  %t222 = getelementptr inbounds { ptr, i64, i64 }, ptr %a60, i32 0, i32 1
+  %t223 = load i64, ptr %t222
+  %t224 = load i64, ptr %a221
+  %t225 = icmp slt i64 %t224, %t223
+  br i1 %t225, label %each.body8065, label %each.end8067
+each.body8065:
+  %t226 = load ptr, ptr %a60
+  %t227 = getelementptr inbounds %S.gen.Val, ptr %t226, i64 %t224
+  %t228 = load %S.gen.Val, ptr %t227
+  store %S.gen.Val %t228, ptr %a229
+  %t230 = load ptr, ptr %a1
+  %t231 = load %S.gen.Val, ptr %a229
+  call void @finch.gen.release(ptr %t230, %S.gen.Val %t231)
+  br label %each.step8066
+each.step8066:
+  %t232 = load i64, ptr %a221
+  %t233 = add i64 %t232, 1
+  store i64 %t233, ptr %a221
+  br label %each.cond8064
+each.end8067:
+  %t234 = load ptr, ptr %a1
+  %t235 = load i64, ptr %a66
+  call void @finch.gen.heldEnd(ptr %t234, i64 %t235)
+  %t236 = load %S.gen.Val, ptr %a220
+  call void @finch.drop.arr_S_gen_Val(ptr %a60)
+  call void @finch.drop.arr_str(ptr %a45)
+  call void @finch.drop.S_gen_FnSig(ptr %a21)
+  ret %S.gen.Val %t236
 }
 
 define internal %S.gen.Val @finch.gen.emitCall(ptr %p0, %S.gen.FnSig %p1, %S.ast.Node %p2, { ptr, i64, i64 } %p3, { ptr, i64, i64 } %p4) {
@@ -69100,107 +82130,142 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
   %a61 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
   %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca %S.ast.Type, align 16
-  %a169 = alloca %S.ast.Type, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
   %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca %S.ast.Type, align 16
-  %a198 = alloca %S.ast.Type, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca %S.ast.Type, align 16
+  %a201 = alloca %S.ast.Type, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a218 = alloca %S.ast.Type, align 16
-  %a227 = alloca %S.ast.Type, align 16
-  %a228 = alloca %S.ast.Type, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca %S.ast.Type, align 16
+  %a235 = alloca %S.ast.Type, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca %S.ast.Type, align 16
+  %a255 = alloca %S.ast.Type, align 16
+  %a264 = alloca %S.ast.Type, align 16
+  %a265 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store %S.gen.FnSig %p1, ptr %a2
   store %S.ast.Node %p2, ptr %a3
@@ -69208,18 +82273,18 @@ entry:
   store { ptr, i64, i64 } %p4, ptr %a5
   %t6 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
   %t7 = load i1, ptr %t6
-  br label %logic.from7666
-logic.from7666:
-  br i1 %t7, label %logic.rhs7667, label %logic.end7668
-logic.rhs7667:
+  br label %logic.from8068
+logic.from8068:
+  br i1 %t7, label %logic.rhs8069, label %logic.end8070
+logic.rhs8069:
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic7669, label %ok7670
-panic7669:
-  call void @finch_panic(ptr @.str.5086, i64 4548, ptr @.str.5087)
+  br i1 %t9, label %panic8071, label %ok8072
+panic8071:
+  call void @finch_panic(ptr @.str.5270, i64 4898, ptr @.str.5271)
   unreachable
-ok7670:
-  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 39
+ok8072:
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %t8, i32 0, i32 40
   %t11 = load { ptr, i64, i64 }, ptr %t10
   %t12 = load %S.ast.Node, ptr %a3
   %t13 = call { ptr, i64, i64 } @finch.gen.nodeKey(%S.ast.Node %t12)
@@ -69227,259 +82292,339 @@ ok7670:
   store { ptr, i64, i64 } %t13, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp eq i32 %t16, 0
-  br label %logic.rend7671
-logic.rend7671:
-  br label %logic.end7668
-logic.end7668:
-  %t18 = phi i1 [ false, %logic.from7666 ], [ %t17, %logic.rend7671 ]
-  br i1 %t18, label %then7672, label %endif7674
-then7672:
-  %t19 = load ptr, ptr %a1
-  %t20 = load %S.ast.Node, ptr %a3
-  %t21 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.5088, i64 1, i64 0 }, ptr %a23
-  store { ptr, i64, i64 } %t21, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.5089, i64 39, i64 0 }, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  %t30 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t29, ptr %a32
-  store { ptr, i64, i64 } %t30, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.5090, i64 19, i64 0 }, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  %t39 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t38, ptr %a41
-  store { ptr, i64, i64 } %t39, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.5091, i64 27, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } %t13, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  br label %logic.rend8073
+logic.rend8073:
+  br label %logic.end8070
+logic.end8070:
+  %t19 = phi i1 [ false, %logic.from8068 ], [ %t17, %logic.rend8073 ]
+  br i1 %t19, label %then8074, label %endif8076
+then8074:
+  %t20 = load ptr, ptr %a1
+  %t21 = load %S.ast.Node, ptr %a3
+  %t22 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.5272, i64 1, i64 0 }, ptr %a24
+  store { ptr, i64, i64 } %t22, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.5273, i64 39, i64 0 }, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t31, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t31, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  %t37 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.5274, i64 19, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  %t43 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t42, ptr %a45
+  store { ptr, i64, i64 } %t43, ptr %a46
   call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
-  %t47 = load { ptr, i64, i64 }, ptr %a44
-  %t48 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t47, ptr %a50
-  store { ptr, i64, i64 } %t48, ptr %a51
+  store { ptr, i64, i64 } %t42, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t48, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.5275, i64 27, i64 0 }, ptr %a51
   call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
-  %t52 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.5092, i64 5, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  call void @finch.gen.fail(ptr %t19, %S.ast.Node %t20, { ptr, i64, i64 } %t56)
-  br label %endif7674
-endif7674:
-  %t57 = load ptr, ptr %a1
-  %t58 = load %S.gen.FnSig, ptr %a2
-  %t59 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t57, %S.gen.FnSig %t58)
-  store { ptr, i64, i64 } { ptr @.str.5093, i64 5, i64 0 }, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  %t54 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t53, ptr %a56
+  store { ptr, i64, i64 } %t54, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t53, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t59, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.5276, i64 5, i64 0 }, ptr %a62
   call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.5094, i64 1, i64 0 }, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  %t68 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
-  %t69 = load { ptr, i64, i64 }, ptr %t68
-  store { ptr, i64, i64 } %t67, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t59, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  %t64 = load { ptr, i64, i64 }, ptr %a60
+  call void @finch.gen.fail(ptr %t20, %S.ast.Node %t21, { ptr, i64, i64 } %t64)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  br label %endif8076
+endif8076:
+  %t66 = load ptr, ptr %a1
+  %t67 = load %S.gen.FnSig, ptr %a2
+  %t68 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t66, %S.gen.FnSig %t67)
+  store { ptr, i64, i64 } { ptr @.str.5277, i64 5, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
   store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.5095, i64 1, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.5278, i64 1, i64 0 }, ptr %a76
   call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5096, i64 2, i64 0 }, ptr %a79
-  call void @finch_str_join(ptr %a80, ptr %a4, ptr %a79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t77, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t73, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a74
+  %t79 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 11
+  %t80 = load { ptr, i64, i64 }, ptr %t79
+  store { ptr, i64, i64 } %t78, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  store { ptr, i64, i64 } %t78, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
   store { ptr, i64, i64 } %t85, ptr %a87
-  store { ptr, i64, i64 } { ptr @.str.5097, i64 1, i64 0 }, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.5279, i64 1, i64 0 }, ptr %a88
   call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a90
-  %t91 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
-  %t92 = load i1, ptr %t91
-  br i1 %t92, label %then7675, label %endif7677
-then7675:
-  %t93 = load ptr, ptr %a1
-  %t94 = load { ptr, i64, i64 }, ptr %a90
-  %t95 = call { ptr, i64, i64 } @finch.gen.op(ptr %t93, { ptr, i64, i64 } %t94)
-  store { ptr, i64, i64 } %t95, ptr %a96
-  %t97 = load ptr, ptr %a1
-  %t98 = load ptr, ptr %a1
-  %t99 = load %S.gen.FnSig, ptr %a2
-  %t100 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t98, %S.gen.FnSig %t99)
-  store { ptr, i64, i64 } { ptr @.str.5098, i64 13, i64 0 }, ptr %a102
-  store { ptr, i64, i64 } %t100, ptr %a103
+  store { ptr, i64, i64 } %t85, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5280, i64 2, i64 0 }, ptr %a92
+  call void @finch_str_join(ptr %a93, ptr %a4, ptr %a92)
+  %t94 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t90, ptr %a96
+  store { ptr, i64, i64 } %t94, ptr %a97
+  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
+  store { ptr, i64, i64 } %t90, ptr %a98
+  call void @finch_str_drop(ptr %a98)
+  store { ptr, i64, i64 } %t94, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a95
+  store { ptr, i64, i64 } %t100, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.5281, i64 1, i64 0 }, ptr %a103
   call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t104, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.5099, i64 1, i64 0 }, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  %t109 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t108, ptr %a111
-  store { ptr, i64, i64 } %t109, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  store { ptr, i64, i64 } %t113, ptr %a115
-  store { ptr, i64, i64 } { ptr @.str.5100, i64 3, i64 0 }, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = call { ptr, i64, i64 } @finch.gen.op(ptr %t97, { ptr, i64, i64 } %t117)
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = load ptr, ptr %a1
-  %t121 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } { ptr @.str.5101, i64 7, i64 0 }, ptr %a123
-  store { ptr, i64, i64 } %t121, ptr %a124
+  store { ptr, i64, i64 } %t100, ptr %a104
+  call void @finch_str_drop(ptr %a104)
+  %t105 = load { ptr, i64, i64 }, ptr %a101
+  store { ptr, i64, i64 } %t105, ptr %a106
+  %t107 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 9
+  %t108 = load i1, ptr %t107
+  br i1 %t108, label %then8077, label %endif8079
+then8077:
+  %t109 = load ptr, ptr %a1
+  %t110 = load { ptr, i64, i64 }, ptr %a106
+  %t111 = call { ptr, i64, i64 } @finch.gen.op(ptr %t109, { ptr, i64, i64 } %t110)
+  store { ptr, i64, i64 } %t111, ptr %a112
+  %t113 = load ptr, ptr %a1
+  %t114 = load ptr, ptr %a1
+  %t115 = load %S.gen.FnSig, ptr %a2
+  %t116 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t114, %S.gen.FnSig %t115)
+  store { ptr, i64, i64 } { ptr @.str.5282, i64 13, i64 0 }, ptr %a118
+  store { ptr, i64, i64 } %t116, ptr %a119
+  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
+  store { ptr, i64, i64 } %t116, ptr %a120
+  call void @finch_str_drop(ptr %a120)
+  %t121 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t121, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.5283, i64 1, i64 0 }, ptr %a124
   call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
-  %t125 = load { ptr, i64, i64 }, ptr %a122
-  store { ptr, i64, i64 } %t125, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.5102, i64 6, i64 0 }, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = call { ptr, i64, i64 } @finch.gen.op(ptr %t120, { ptr, i64, i64 } %t129)
-  %t131 = load ptr, ptr %a1
-  %t132 = icmp eq ptr %t131, null
-  br i1 %t132, label %panic7678, label %ok7679
-panic7678:
-  call void @finch_panic(ptr @.str.5103, i64 4555, ptr @.str.5104)
-  unreachable
-ok7679:
-  %t133 = getelementptr inbounds %S.gen.Gen, ptr %t131, i32 0, i32 40
-  store { ptr, i64, i64 } %t130, ptr %t133
-  %t134 = load ptr, ptr %a1
-  %t135 = load ptr, ptr %a1
-  %t136 = load %S.gen.FnSig, ptr %a2
-  %t137 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t135, %S.gen.FnSig %t136)
-  store { ptr, i64, i64 } { ptr @.str.5105, i64 13, i64 0 }, ptr %a139
-  store { ptr, i64, i64 } %t137, ptr %a140
-  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
-  %t141 = load { ptr, i64, i64 }, ptr %a138
-  store { ptr, i64, i64 } %t141, ptr %a143
-  store { ptr, i64, i64 } { ptr @.str.5106, i64 1, i64 0 }, ptr %a144
-  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  %t146 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t145, ptr %a148
-  store { ptr, i64, i64 } %t146, ptr %a149
+  store { ptr, i64, i64 } %t121, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  %t127 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t126, ptr %a129
+  store { ptr, i64, i64 } %t127, ptr %a130
+  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
+  store { ptr, i64, i64 } %t126, ptr %a131
+  call void @finch_str_drop(ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t132, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.5284, i64 3, i64 0 }, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t132, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  %t138 = call { ptr, i64, i64 } @finch.gen.op(ptr %t113, { ptr, i64, i64 } %t137)
+  store { ptr, i64, i64 } %t137, ptr %a139
+  call void @finch_str_drop(ptr %a139)
+  store { ptr, i64, i64 } %t138, ptr %a140
+  %t141 = load ptr, ptr %a1
+  %t142 = load { ptr, i64, i64 }, ptr %a140
+  store { ptr, i64, i64 } { ptr @.str.5285, i64 7, i64 0 }, ptr %a144
+  store { ptr, i64, i64 } %t142, ptr %a145
+  call void @finch_str_concat(ptr %a143, ptr %a144, ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a143
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.5286, i64 6, i64 0 }, ptr %a149
   call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
-  %t150 = load { ptr, i64, i64 }, ptr %a147
-  store { ptr, i64, i64 } %t150, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.5107, i64 3, i64 0 }, ptr %a153
-  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
-  %t154 = load { ptr, i64, i64 }, ptr %a151
-  %t155 = call { ptr, i64, i64 } @finch.gen.op(ptr %t134, { ptr, i64, i64 } %t154)
-  %t156 = load ptr, ptr %a1
-  %t157 = icmp eq ptr %t156, null
-  br i1 %t157, label %panic7680, label %ok7681
-panic7680:
-  call void @finch_panic(ptr @.str.5108, i64 4556, ptr @.str.5109)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = call { ptr, i64, i64 } @finch.gen.op(ptr %t141, { ptr, i64, i64 } %t151)
+  store { ptr, i64, i64 } %t151, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load ptr, ptr %a1
+  %t155 = icmp eq ptr %t154, null
+  br i1 %t155, label %panic8080, label %ok8081
+panic8080:
+  call void @finch_panic(ptr @.str.5287, i64 4905, ptr @.str.5288)
   unreachable
-ok7681:
-  %t158 = getelementptr inbounds %S.gen.Gen, ptr %t156, i32 0, i32 41
-  store { ptr, i64, i64 } %t155, ptr %t158
-  %t159 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t160 = getelementptr inbounds %S.ast.Type, ptr %t159, i32 0, i32 0
-  %t161 = load { ptr, i64, i64 }, ptr %t160
-  store { ptr, i64, i64 } %t161, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.5110, i64 4, i64 0 }, ptr %a163
-  %t164 = call i32 @finch_str_eq(ptr %a162, ptr %a163)
-  %t165 = icmp ne i32 %t164, 0
-  br i1 %t165, label %then7682, label %endif7684
-then7682:
-  %t166 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t167 = load %S.ast.Type, ptr %t166
-  store %S.ast.Type %t167, ptr %a168
-  call void @finch.copy.S_ast_Type(ptr %a169, ptr %a168)
-  %t170 = load %S.ast.Type, ptr %a169
-  %t171 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t170, 1
-  ret %S.gen.Val %t171
-endif7684:
-  %t172 = load ptr, ptr %a1
-  %t173 = load ptr, ptr %a1
-  %t174 = load %S.gen.FnSig, ptr %a2
-  %t175 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t173, %S.gen.FnSig %t174)
-  store { ptr, i64, i64 } { ptr @.str.5111, i64 13, i64 0 }, ptr %a177
-  store { ptr, i64, i64 } %t175, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  store { ptr, i64, i64 } %t179, ptr %a181
-  store { ptr, i64, i64 } { ptr @.str.5112, i64 1, i64 0 }, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  %t184 = load { ptr, i64, i64 }, ptr %a96
-  store { ptr, i64, i64 } %t183, ptr %a186
-  store { ptr, i64, i64 } %t184, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  store { ptr, i64, i64 } %t188, ptr %a190
-  store { ptr, i64, i64 } { ptr @.str.5113, i64 3, i64 0 }, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  %t193 = call { ptr, i64, i64 } @finch.gen.op(ptr %t172, { ptr, i64, i64 } %t192)
-  %t194 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t193, 0
-  %t195 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t196 = load %S.ast.Type, ptr %t195
-  store %S.ast.Type %t196, ptr %a197
-  call void @finch.copy.S_ast_Type(ptr %a198, ptr %a197)
-  %t199 = load %S.ast.Type, ptr %a198
-  %t200 = insertvalue %S.gen.Val %t194, %S.ast.Type %t199, 1
-  %t201 = load ptr, ptr %a1
-  %t202 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t203 = load %S.ast.Type, ptr %t202
-  %t204 = call i1 @finch.gen.owning(ptr %t201, %S.ast.Type %t203)
-  %t205 = insertvalue %S.gen.Val %t200, i1 %t204, 2
-  ret %S.gen.Val %t205
-endif7677:
-  %t206 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t207 = getelementptr inbounds %S.ast.Type, ptr %t206, i32 0, i32 0
-  %t208 = load { ptr, i64, i64 }, ptr %t207
-  store { ptr, i64, i64 } %t208, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.5114, i64 4, i64 0 }, ptr %a210
-  %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
-  %t212 = icmp ne i32 %t211, 0
-  br i1 %t212, label %then7685, label %endif7687
-then7685:
-  %t213 = load ptr, ptr %a1
-  %t214 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.gen.emit(ptr %t213, { ptr, i64, i64 } %t214)
-  %t215 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t216 = load %S.ast.Type, ptr %t215
-  store %S.ast.Type %t216, ptr %a217
-  call void @finch.copy.S_ast_Type(ptr %a218, ptr %a217)
-  %t219 = load %S.ast.Type, ptr %a218
-  %t220 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t219, 1
-  ret %S.gen.Val %t220
-endif7687:
-  %t221 = load ptr, ptr %a1
-  %t222 = load { ptr, i64, i64 }, ptr %a90
-  %t223 = call { ptr, i64, i64 } @finch.gen.op(ptr %t221, { ptr, i64, i64 } %t222)
-  %t224 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t223, 0
-  %t225 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
-  %t226 = load %S.ast.Type, ptr %t225
-  store %S.ast.Type %t226, ptr %a227
-  call void @finch.copy.S_ast_Type(ptr %a228, ptr %a227)
-  %t229 = load %S.ast.Type, ptr %a228
-  %t230 = insertvalue %S.gen.Val %t224, %S.ast.Type %t229, 1
-  %t231 = load ptr, ptr %a1
+ok8081:
+  %t156 = getelementptr inbounds %S.gen.Gen, ptr %t154, i32 0, i32 41
+  %t157 = load { ptr, i64, i64 }, ptr %t156
+  store { ptr, i64, i64 } %t152, ptr %t156
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load ptr, ptr %a1
+  %t160 = load ptr, ptr %a1
+  %t161 = load %S.gen.FnSig, ptr %a2
+  %t162 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t160, %S.gen.FnSig %t161)
+  store { ptr, i64, i64 } { ptr @.str.5289, i64 13, i64 0 }, ptr %a164
+  store { ptr, i64, i64 } %t162, ptr %a165
+  call void @finch_str_concat(ptr %a163, ptr %a164, ptr %a165)
+  store { ptr, i64, i64 } %t162, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load { ptr, i64, i64 }, ptr %a163
+  store { ptr, i64, i64 } %t167, ptr %a169
+  store { ptr, i64, i64 } { ptr @.str.5290, i64 1, i64 0 }, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t167, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  %t172 = load { ptr, i64, i64 }, ptr %a168
+  %t173 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t172, ptr %a175
+  store { ptr, i64, i64 } %t173, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t172, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5291, i64 3, i64 0 }, ptr %a181
+  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
+  store { ptr, i64, i64 } %t178, ptr %a182
+  call void @finch_str_drop(ptr %a182)
+  %t183 = load { ptr, i64, i64 }, ptr %a179
+  %t184 = call { ptr, i64, i64 } @finch.gen.op(ptr %t159, { ptr, i64, i64 } %t183)
+  store { ptr, i64, i64 } %t183, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load ptr, ptr %a1
+  %t187 = icmp eq ptr %t186, null
+  br i1 %t187, label %panic8082, label %ok8083
+panic8082:
+  call void @finch_panic(ptr @.str.5292, i64 4906, ptr @.str.5293)
+  unreachable
+ok8083:
+  %t188 = getelementptr inbounds %S.gen.Gen, ptr %t186, i32 0, i32 42
+  %t189 = load { ptr, i64, i64 }, ptr %t188
+  store { ptr, i64, i64 } %t184, ptr %t188
+  store { ptr, i64, i64 } %t189, ptr %a190
+  call void @finch_str_drop(ptr %a190)
+  %t191 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t192 = getelementptr inbounds %S.ast.Type, ptr %t191, i32 0, i32 0
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  store { ptr, i64, i64 } %t193, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.5294, i64 4, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br i1 %t197, label %then8084, label %endif8086
+then8084:
+  %t198 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t199 = load %S.ast.Type, ptr %t198
+  store %S.ast.Type %t199, ptr %a200
+  call void @finch.copy.S_ast_Type(ptr %a201, ptr %a200)
+  %t202 = load %S.ast.Type, ptr %a201
+  %t203 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t202, 1
+  call void @finch_str_drop(ptr %a140)
+  call void @finch_str_drop(ptr %a112)
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t203
+endif8086:
+  %t204 = load ptr, ptr %a1
+  %t205 = load ptr, ptr %a1
+  %t206 = load %S.gen.FnSig, ptr %a2
+  %t207 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t205, %S.gen.FnSig %t206)
+  store { ptr, i64, i64 } { ptr @.str.5295, i64 13, i64 0 }, ptr %a209
+  store { ptr, i64, i64 } %t207, ptr %a210
+  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
+  store { ptr, i64, i64 } %t207, ptr %a211
+  call void @finch_str_drop(ptr %a211)
+  %t212 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t212, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.5296, i64 1, i64 0 }, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  store { ptr, i64, i64 } %t212, ptr %a216
+  call void @finch_str_drop(ptr %a216)
+  %t217 = load { ptr, i64, i64 }, ptr %a213
+  %t218 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t217, ptr %a220
+  store { ptr, i64, i64 } %t218, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t217, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  %t223 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t223, ptr %a225
+  store { ptr, i64, i64 } { ptr @.str.5297, i64 3, i64 0 }, ptr %a226
+  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
+  store { ptr, i64, i64 } %t223, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a224
+  %t229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t204, { ptr, i64, i64 } %t228)
+  store { ptr, i64, i64 } %t228, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t229, 0
   %t232 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
   %t233 = load %S.ast.Type, ptr %t232
-  %t234 = call i1 @finch.gen.owning(ptr %t231, %S.ast.Type %t233)
-  %t235 = insertvalue %S.gen.Val %t230, i1 %t234, 2
-  ret %S.gen.Val %t235
+  store %S.ast.Type %t233, ptr %a234
+  call void @finch.copy.S_ast_Type(ptr %a235, ptr %a234)
+  %t236 = load %S.ast.Type, ptr %a235
+  %t237 = insertvalue %S.gen.Val %t231, %S.ast.Type %t236, 1
+  %t238 = load ptr, ptr %a1
+  %t239 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t240 = load %S.ast.Type, ptr %t239
+  %t241 = call i1 @finch.gen.owning(ptr %t238, %S.ast.Type %t240)
+  %t242 = insertvalue %S.gen.Val %t237, i1 %t241, 2
+  call void @finch_str_drop(ptr %a140)
+  call void @finch_str_drop(ptr %a112)
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t242
+endif8079:
+  %t243 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t244 = getelementptr inbounds %S.ast.Type, ptr %t243, i32 0, i32 0
+  %t245 = load { ptr, i64, i64 }, ptr %t244
+  store { ptr, i64, i64 } %t245, ptr %a246
+  store { ptr, i64, i64 } { ptr @.str.5298, i64 4, i64 0 }, ptr %a247
+  %t248 = call i32 @finch_str_eq(ptr %a246, ptr %a247)
+  %t249 = icmp ne i32 %t248, 0
+  br i1 %t249, label %then8087, label %endif8089
+then8087:
+  %t250 = load ptr, ptr %a1
+  %t251 = load { ptr, i64, i64 }, ptr %a106
+  call void @finch.gen.emit(ptr %t250, { ptr, i64, i64 } %t251)
+  %t252 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t253 = load %S.ast.Type, ptr %t252
+  store %S.ast.Type %t253, ptr %a254
+  call void @finch.copy.S_ast_Type(ptr %a255, ptr %a254)
+  %t256 = load %S.ast.Type, ptr %a255
+  %t257 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t256, 1
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t257
+endif8089:
+  %t258 = load ptr, ptr %a1
+  %t259 = load { ptr, i64, i64 }, ptr %a106
+  %t260 = call { ptr, i64, i64 } @finch.gen.op(ptr %t258, { ptr, i64, i64 } %t259)
+  %t261 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t260, 0
+  %t262 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t263 = load %S.ast.Type, ptr %t262
+  store %S.ast.Type %t263, ptr %a264
+  call void @finch.copy.S_ast_Type(ptr %a265, ptr %a264)
+  %t266 = load %S.ast.Type, ptr %a265
+  %t267 = insertvalue %S.gen.Val %t261, %S.ast.Type %t266, 1
+  %t268 = load ptr, ptr %a1
+  %t269 = getelementptr inbounds %S.gen.FnSig, ptr %a2, i32 0, i32 12
+  %t270 = load %S.ast.Type, ptr %t269
+  %t271 = call i1 @finch.gen.owning(ptr %t268, %S.ast.Type %t270)
+  %t272 = insertvalue %S.gen.Val %t267, i1 %t271, 2
+  call void @finch_str_drop(ptr %a106)
+  ret %S.gen.Val %t272
 }
 
 define internal %S.gen.Val @finch.gen.construct(ptr %p0, i64 %p1, { ptr, i64, i64 } %p2, { ptr, i64, i64 } %p3, %S.ast.Node %p4) {
@@ -69495,138 +82640,188 @@ entry:
   %a20 = alloca %S.ast.Node, align 16
   %a43 = alloca %S.ast.Node, align 16
   %a44 = alloca %S.ast.Node, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca %S.ast.Type, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca i1, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca i64, align 16
-  %a93 = alloca i64, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca %S.ast.Node, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca %S.ast.Type, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca i1, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca i64, align 16
+  %a95 = alloca i64, align 16
   %a129 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
   %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca i64, align 16
-  %a185 = alloca i64, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca i64, align 16
   %a196 = alloca i64, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca i64, align 16
   %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a256 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a268 = alloca { ptr, i64, i64 }, align 16
-  %a272 = alloca i64, align 16
-  %a283 = alloca %S.ast.Type, align 16
-  %a284 = alloca %S.ast.Type, align 16
-  %a286 = alloca %S.ast.Type, align 16
-  %a287 = alloca %S.gen.Val, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
-  %a336 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a265 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a290 = alloca i64, align 16
+  %a294 = alloca i64, align 16
+  %a305 = alloca %S.ast.Type, align 16
+  %a306 = alloca %S.ast.Type, align 16
+  %a308 = alloca %S.ast.Type, align 16
+  %a309 = alloca %S.gen.Val, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a379 = alloca { ptr, i64, i64 }, align 16
-  %a380 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca %S.gen.Val, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca %S.gen.Val, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
-  %a397 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
-  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
   %a407 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a465 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
-  %a471 = alloca { ptr, i64, i64 }, align 16
-  %a478 = alloca { ptr, i64, i64 }, align 16
-  %a479 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
-  %a492 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a417 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a443 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
+  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
   %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
   %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
-  %a508 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca { ptr, i64, i64 }, align 16
-  %a510 = alloca { ptr, i64, i64 }, align 16
-  %a513 = alloca { ptr, i64, i64 }, align 16
-  %a514 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca %S.gen.Val, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca %S.gen.Val, align 16
   %a518 = alloca { ptr, i64, i64 }, align 16
   %a519 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
-  %a525 = alloca { ptr, i64, i64 }, align 16
-  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
   %a528 = alloca { ptr, i64, i64 }, align 16
-  %a529 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a531 = alloca { ptr, i64, i64 }, align 16
   %a536 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
-  %a539 = alloca { ptr, i64, i64 }, align 16
   %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
   %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a562 = alloca { ptr, i64, i64 }, align 16
-  %a566 = alloca %S.ast.Type, align 16
-  %a567 = alloca %S.ast.Type, align 16
+  %a556 = alloca { ptr, i64, i64 }, align 16
+  %a557 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca %S.ast.Type, align 16
+  %a562 = alloca %S.ast.Type, align 16
+  %a566 = alloca %S.gen.Val, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
+  %a580 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a584 = alloca { ptr, i64, i64 }, align 16
+  %a585 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca { ptr, i64, i64 }, align 16
+  %a592 = alloca { ptr, i64, i64 }, align 16
+  %a593 = alloca { ptr, i64, i64 }, align 16
+  %a594 = alloca { ptr, i64, i64 }, align 16
+  %a595 = alloca { ptr, i64, i64 }, align 16
+  %a596 = alloca { ptr, i64, i64 }, align 16
+  %a598 = alloca { ptr, i64, i64 }, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a600 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca { ptr, i64, i64 }, align 16
+  %a605 = alloca { ptr, i64, i64 }, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca { ptr, i64, i64 }, align 16
+  %a610 = alloca { ptr, i64, i64 }, align 16
+  %a611 = alloca { ptr, i64, i64 }, align 16
+  %a612 = alloca { ptr, i64, i64 }, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a625 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a628 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca { ptr, i64, i64 }, align 16
+  %a639 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a644 = alloca %S.ast.Type, align 16
+  %a645 = alloca %S.ast.Type, align 16
   store ptr %p0, ptr %a1
   store i64 %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -69634,21 +82829,21 @@ entry:
   store %S.ast.Node %p4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic7688, label %ok7689
-panic7688:
-  call void @finch_panic(ptr @.str.5115, i64 4570, ptr @.str.5116)
+  br i1 %t7, label %panic8090, label %ok8091
+panic8090:
+  call void @finch_panic(ptr @.str.5299, i64 4920, ptr @.str.5300)
   unreachable
-ok7689:
-  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 15
+ok8091:
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %t6, i32 0, i32 16
   %t9 = load i64, ptr %a2
   %t10 = load { ptr, i64, i64 }, ptr %t8
   %t11 = extractvalue { ptr, i64, i64 } %t10, 1
   %t12 = icmp uge i64 %t9, %t11
-  br i1 %t12, label %range7690, label %inrange7691
-range7690:
-  call void @finch_panic_index(ptr @.str.5117, i64 4570, i64 %t9, i64 %t11)
+  br i1 %t12, label %range8092, label %inrange8093
+range8092:
+  call void @finch_panic_index(ptr @.str.5301, i64 4920, i64 %t9, i64 %t11)
   unreachable
-inrange7691:
+inrange8093:
   %t13 = extractvalue { ptr, i64, i64 } %t10, 0
   %t14 = getelementptr inbounds %S.gen.StructDef, ptr %t13, i64 %t9
   %t15 = load %S.gen.StructDef, ptr %t14
@@ -69660,26 +82855,26 @@ inrange7691:
   %t21 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 2
   %t22 = load i1, ptr %t21
   %t23 = xor i1 %t22, true
-  br i1 %t23, label %then7692, label %endif7694
-then7692:
+  br i1 %t23, label %then8094, label %endif8096
+then8094:
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic7695, label %ok7696
-panic7695:
-  call void @finch_panic(ptr @.str.5118, i64 4573, ptr @.str.5119)
+  br i1 %t25, label %panic8097, label %ok8098
+panic8097:
+  call void @finch_panic(ptr @.str.5302, i64 4923, ptr @.str.5303)
   unreachable
-ok7696:
+ok8098:
   %t26 = getelementptr inbounds %S.gen.Gen, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 13
   %t28 = load i64, ptr %t27
   %t29 = load { ptr, i64, i64 }, ptr %t26
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 %t28, %t30
-  br i1 %t31, label %range7697, label %inrange7698
-range7697:
-  call void @finch_panic_index(ptr @.str.5120, i64 4573, i64 %t28, i64 %t30)
+  br i1 %t31, label %range8099, label %inrange8100
+range8099:
+  call void @finch_panic_index(ptr @.str.5304, i64 4923, i64 %t28, i64 %t30)
   unreachable
-inrange7698:
+inrange8100:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.ast.Program, ptr %t32, i64 %t28
   %t34 = getelementptr inbounds %S.ast.Program, ptr %t33, i32 0, i32 6
@@ -69688,842 +82883,987 @@ inrange7698:
   %t37 = load { ptr, i64, i64 }, ptr %t34
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range7699, label %inrange7700
-range7699:
-  call void @finch_panic_index(ptr @.str.5121, i64 4573, i64 %t36, i64 %t38)
+  br i1 %t39, label %range8101, label %inrange8102
+range8101:
+  call void @finch_panic_index(ptr @.str.5305, i64 4923, i64 %t36, i64 %t38)
   unreachable
-inrange7700:
+inrange8102:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 %t36
   %t42 = load %S.ast.Node, ptr %t41
   store %S.ast.Node %t42, ptr %a43
   call void @finch.copy.S_ast_Node(ptr %a44, ptr %a43)
   %t45 = load %S.ast.Node, ptr %a44
+  %t46 = load %S.ast.Node, ptr %a20
   store %S.ast.Node %t45, ptr %a20
-  br label %endif7694
-endif7694:
-  %t46 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.5122, i64 6, i64 0 }, 0
-  %t47 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  store { ptr, i64, i64 } %t48, ptr %a49
-  call void @finch_str_copy(ptr %a50, ptr %a49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  %t52 = insertvalue %S.ast.Type %t46, { ptr, i64, i64 } %t51, 2
-  %t53 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  store { ptr, i64, i64 } %t54, ptr %a55
-  call void @finch_str_copy(ptr %a56, ptr %a55)
-  %t57 = load { ptr, i64, i64 }, ptr %a56
-  %t58 = insertvalue %S.ast.Type %t52, { ptr, i64, i64 } %t57, 3
-  store %S.ast.Type %t58, ptr %a59
-  %t60 = load ptr, ptr %a1
-  %t61 = load %S.ast.Type, ptr %a59
-  %t62 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t60, %S.ast.Type %t61)
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t65 = load i64, ptr %t64
-  %t66 = icmp sgt i64 %t65, 0
-  br label %logic.from7701
-logic.from7701:
-  br i1 %t66, label %logic.rhs7702, label %logic.end7703
-logic.rhs7702:
-  %t67 = load { ptr, i64, i64 }, ptr %a4
-  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
-  %t69 = icmp uge i64 0, %t68
-  br i1 %t69, label %range7704, label %inrange7705
-range7704:
-  call void @finch_panic_index(ptr @.str.5123, i64 4577, i64 0, i64 %t68)
+  store %S.ast.Node %t46, ptr %a47
+  call void @finch.drop.S_ast_Node(ptr %a47)
+  br label %endif8096
+endif8096:
+  %t48 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.5306, i64 6, i64 0 }, 0
+  %t49 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
+  %t50 = load { ptr, i64, i64 }, ptr %t49
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_copy(ptr %a52, ptr %a51)
+  %t53 = load { ptr, i64, i64 }, ptr %a52
+  %t54 = insertvalue %S.ast.Type %t48, { ptr, i64, i64 } %t53, 2
+  %t55 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
+  %t56 = load { ptr, i64, i64 }, ptr %t55
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_copy(ptr %a58, ptr %a57)
+  %t59 = load { ptr, i64, i64 }, ptr %a58
+  %t60 = insertvalue %S.ast.Type %t54, { ptr, i64, i64 } %t59, 3
+  store %S.ast.Type %t60, ptr %a61
+  %t62 = load ptr, ptr %a1
+  %t63 = load %S.ast.Type, ptr %a61
+  %t64 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t62, %S.ast.Type %t63)
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t67 = load i64, ptr %t66
+  %t68 = icmp sgt i64 %t67, 0
+  br label %logic.from8103
+logic.from8103:
+  br i1 %t68, label %logic.rhs8104, label %logic.end8105
+logic.rhs8104:
+  %t69 = load { ptr, i64, i64 }, ptr %a4
+  %t70 = extractvalue { ptr, i64, i64 } %t69, 1
+  %t71 = icmp uge i64 0, %t70
+  br i1 %t71, label %range8106, label %inrange8107
+range8106:
+  call void @finch_panic_index(ptr @.str.5307, i64 4927, i64 0, i64 %t70)
   unreachable
-inrange7705:
-  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
-  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 0
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t71, i32 0, i32 1
-  %t73 = load i64, ptr %t72
-  %t74 = icmp sgt i64 %t73, 0
-  br label %logic.rend7706
-logic.rend7706:
-  br label %logic.end7703
-logic.end7703:
-  %t75 = phi i1 [ false, %logic.from7701 ], [ %t74, %logic.rend7706 ]
-  store i1 %t75, ptr %a76
-  store { ptr, i64, i64 } zeroinitializer, ptr %a77
-  %t78 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i32 0, i32 1
-  %t80 = load i64, ptr %t79
-  store i64 0, ptr %a81
-  br label %for.cond7707
-for.cond7707:
-  %t82 = load i64, ptr %a81
-  %t83 = icmp slt i64 %t82, %t80
-  br i1 %t83, label %for.body7708, label %for.end7710
-for.body7708:
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %a77, i32 0, i32 1
-  %t85 = load i64, ptr %t84
-  %t86 = add i64 %t85, 1
-  call void @finch_arr_reserve(ptr %a77, i64 %t86, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t87 = load ptr, ptr %a77
-  %t88 = getelementptr inbounds i64, ptr %t87, i64 %t85
-  store i64 -1, ptr %t88
-  store i64 %t86, ptr %t84
-  br label %for.step7709
-for.step7709:
-  %t89 = load i64, ptr %a81
-  %t90 = add i64 %t89, 1
-  store i64 %t90, ptr %a81
-  br label %for.cond7707
-for.end7710:
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t92 = load i64, ptr %t91
-  store i64 0, ptr %a93
-  br label %for.cond7711
-for.cond7711:
-  %t94 = load i64, ptr %a93
-  %t95 = icmp slt i64 %t94, %t92
-  br i1 %t95, label %for.body7712, label %for.end7714
-for.body7712:
-  %t96 = load i64, ptr %a93
-  %t97 = load { ptr, i64, i64 }, ptr %a4
-  %t98 = extractvalue { ptr, i64, i64 } %t97, 1
-  %t99 = icmp uge i64 %t96, %t98
-  br i1 %t99, label %range7715, label %inrange7716
-range7715:
-  call void @finch_panic_index(ptr @.str.5124, i64 4583, i64 %t96, i64 %t98)
+inrange8107:
+  %t72 = extractvalue { ptr, i64, i64 } %t69, 0
+  %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t72, i64 0
+  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
+  %t75 = load i64, ptr %t74
+  %t76 = icmp sgt i64 %t75, 0
+  br label %logic.rend8108
+logic.rend8108:
+  br label %logic.end8105
+logic.end8105:
+  %t77 = phi i1 [ false, %logic.from8103 ], [ %t76, %logic.rend8108 ]
+  store i1 %t77, ptr %a78
+  store { ptr, i64, i64 } zeroinitializer, ptr %a79
+  %t80 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %t80, i32 0, i32 1
+  %t82 = load i64, ptr %t81
+  store i64 0, ptr %a83
+  br label %for.cond8109
+for.cond8109:
+  %t84 = load i64, ptr %a83
+  %t85 = icmp slt i64 %t84, %t82
+  br i1 %t85, label %for.body8110, label %for.end8112
+for.body8110:
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %a79, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = add i64 %t87, 1
+  call void @finch_arr_reserve(ptr %a79, i64 %t88, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t89 = load ptr, ptr %a79
+  %t90 = getelementptr inbounds i64, ptr %t89, i64 %t87
+  store i64 -1, ptr %t90
+  store i64 %t88, ptr %t86
+  br label %for.step8111
+for.step8111:
+  %t91 = load i64, ptr %a83
+  %t92 = add i64 %t91, 1
+  store i64 %t92, ptr %a83
+  br label %for.cond8109
+for.end8112:
+  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t94 = load i64, ptr %t93
+  store i64 0, ptr %a95
+  br label %for.cond8113
+for.cond8113:
+  %t96 = load i64, ptr %a95
+  %t97 = icmp slt i64 %t96, %t94
+  br i1 %t97, label %for.body8114, label %for.end8116
+for.body8114:
+  %t98 = load i64, ptr %a95
+  %t99 = load { ptr, i64, i64 }, ptr %a4
+  %t100 = extractvalue { ptr, i64, i64 } %t99, 1
+  %t101 = icmp uge i64 %t98, %t100
+  br i1 %t101, label %range8117, label %inrange8118
+range8117:
+  call void @finch_panic_index(ptr @.str.5308, i64 4933, i64 %t98, i64 %t100)
   unreachable
-inrange7716:
-  %t100 = extractvalue { ptr, i64, i64 } %t97, 0
-  %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i64 %t96
-  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t101, i32 0, i32 1
-  %t103 = load i64, ptr %t102
-  %t104 = icmp sgt i64 %t103, 0
-  %t105 = load i1, ptr %a76
-  %t106 = icmp ne i1 %t104, %t105
-  br i1 %t106, label %then7717, label %endif7719
-then7717:
-  %t107 = load ptr, ptr %a1
-  %t108 = load i64, ptr %a93
-  %t109 = load { ptr, i64, i64 }, ptr %a3
-  %t110 = extractvalue { ptr, i64, i64 } %t109, 1
-  %t111 = icmp uge i64 %t108, %t110
-  br i1 %t111, label %range7720, label %inrange7721
-range7720:
-  call void @finch_panic_index(ptr @.str.5125, i64 4584, i64 %t108, i64 %t110)
+inrange8118:
+  %t102 = extractvalue { ptr, i64, i64 } %t99, 0
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i64 %t98
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i32 0, i32 1
+  %t105 = load i64, ptr %t104
+  %t106 = icmp sgt i64 %t105, 0
+  %t107 = load i1, ptr %a78
+  %t108 = icmp ne i1 %t106, %t107
+  br i1 %t108, label %then8119, label %endif8121
+then8119:
+  %t109 = load ptr, ptr %a1
+  %t110 = load i64, ptr %a95
+  %t111 = load { ptr, i64, i64 }, ptr %a3
+  %t112 = extractvalue { ptr, i64, i64 } %t111, 1
+  %t113 = icmp uge i64 %t110, %t112
+  br i1 %t113, label %range8122, label %inrange8123
+range8122:
+  call void @finch_panic_index(ptr @.str.5309, i64 4934, i64 %t110, i64 %t112)
   unreachable
-inrange7721:
-  %t112 = extractvalue { ptr, i64, i64 } %t109, 0
-  %t113 = getelementptr inbounds %S.ast.Node, ptr %t112, i64 %t108
-  %t114 = load %S.ast.Node, ptr %t113
-  call void @finch.gen.fail(ptr %t107, %S.ast.Node %t114, { ptr, i64, i64 } { ptr @.str.5126, i64 69, i64 0 })
-  br label %endif7719
-endif7719:
-  %t115 = load i1, ptr %a76
-  %t116 = xor i1 %t115, true
-  br i1 %t116, label %then7722, label %endif7724
-then7722:
-  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t118 = load i64, ptr %t117
-  %t119 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
-  %t121 = load i64, ptr %t120
-  %t122 = icmp ne i64 %t118, %t121
-  br i1 %t122, label %then7725, label %endif7727
-then7725:
-  %t123 = load ptr, ptr %a1
-  %t124 = load %S.ast.Node, ptr %a5
-  %t125 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.5127, i64 5, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  %t131 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
-  %t133 = load i64, ptr %t132
-  call void @finch_str_from_int(ptr %a134, i64 %t133)
-  %t135 = load { ptr, i64, i64 }, ptr %a134
-  store { ptr, i64, i64 } %t130, ptr %a137
-  store { ptr, i64, i64 } %t135, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  store { ptr, i64, i64 } %t139, ptr %a141
-  store { ptr, i64, i64 } { ptr @.str.5128, i64 17, i64 0 }, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t145 = load i64, ptr %t144
-  call void @finch_str_from_int(ptr %a146, i64 %t145)
-  %t147 = load { ptr, i64, i64 }, ptr %a146
-  store { ptr, i64, i64 } %t143, ptr %a149
-  store { ptr, i64, i64 } %t147, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  store { ptr, i64, i64 } %t151, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.5129, i64 23, i64 0 }, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  %t156 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t157 = load { ptr, i64, i64 }, ptr %t156
-  store { ptr, i64, i64 } %t155, ptr %a159
-  store { ptr, i64, i64 } %t157, ptr %a160
-  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
-  %t161 = load { ptr, i64, i64 }, ptr %a158
-  store { ptr, i64, i64 } %t161, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.5130, i64 15, i64 0 }, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  call void @finch.gen.fail(ptr %t123, %S.ast.Node %t124, { ptr, i64, i64 } %t165)
-  br label %endif7727
-endif7727:
-  %t166 = load i64, ptr %a93
-  %t167 = load i64, ptr %a93
-  %t168 = load { ptr, i64, i64 }, ptr %a77
-  %t169 = extractvalue { ptr, i64, i64 } %t168, 1
-  %t170 = icmp uge i64 %t167, %t169
-  br i1 %t170, label %range7728, label %inrange7729
-range7728:
-  call void @finch_panic_index(ptr @.str.5131, i64 4590, i64 %t167, i64 %t169)
+inrange8123:
+  %t114 = extractvalue { ptr, i64, i64 } %t111, 0
+  %t115 = getelementptr inbounds %S.ast.Node, ptr %t114, i64 %t110
+  %t116 = load %S.ast.Node, ptr %t115
+  call void @finch.gen.fail(ptr %t109, %S.ast.Node %t116, { ptr, i64, i64 } { ptr @.str.5310, i64 69, i64 0 })
+  br label %endif8121
+endif8121:
+  %t117 = load i1, ptr %a78
+  %t118 = xor i1 %t117, true
+  br i1 %t118, label %then8124, label %endif8126
+then8124:
+  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t120 = load i64, ptr %t119
+  %t121 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %t121, i32 0, i32 1
+  %t123 = load i64, ptr %t122
+  %t124 = icmp ne i64 %t120, %t123
+  br i1 %t124, label %then8127, label %endif8129
+then8127:
+  %t125 = load ptr, ptr %a1
+  %t126 = load %S.ast.Node, ptr %a5
+  %t127 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
+  %t128 = load { ptr, i64, i64 }, ptr %t127
+  store { ptr, i64, i64 } %t128, ptr %a130
+  store { ptr, i64, i64 } { ptr @.str.5311, i64 5, i64 0 }, ptr %a131
+  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
+  %t132 = load { ptr, i64, i64 }, ptr %a129
+  %t133 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load i64, ptr %t134
+  call void @finch_str_from_int(ptr %a136, i64 %t135)
+  %t137 = load { ptr, i64, i64 }, ptr %a136
+  store { ptr, i64, i64 } %t132, ptr %a139
+  store { ptr, i64, i64 } %t137, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t132, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  store { ptr, i64, i64 } %t137, ptr %a142
+  call void @finch_str_drop(ptr %a142)
+  %t143 = load { ptr, i64, i64 }, ptr %a138
+  store { ptr, i64, i64 } %t143, ptr %a145
+  store { ptr, i64, i64 } { ptr @.str.5312, i64 17, i64 0 }, ptr %a146
+  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
+  store { ptr, i64, i64 } %t143, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  %t148 = load { ptr, i64, i64 }, ptr %a144
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  call void @finch_str_from_int(ptr %a151, i64 %t150)
+  %t152 = load { ptr, i64, i64 }, ptr %a151
+  store { ptr, i64, i64 } %t148, ptr %a154
+  store { ptr, i64, i64 } %t152, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t148, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  store { ptr, i64, i64 } %t152, ptr %a157
+  call void @finch_str_drop(ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a153
+  store { ptr, i64, i64 } %t158, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.5313, i64 23, i64 0 }, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  store { ptr, i64, i64 } %t158, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = load { ptr, i64, i64 }, ptr %a159
+  %t164 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  store { ptr, i64, i64 } %t163, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  store { ptr, i64, i64 } %t163, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t170, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.5314, i64 15, i64 0 }, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  store { ptr, i64, i64 } %t170, ptr %a174
+  call void @finch_str_drop(ptr %a174)
+  %t175 = load { ptr, i64, i64 }, ptr %a171
+  call void @finch.gen.fail(ptr %t125, %S.ast.Node %t126, { ptr, i64, i64 } %t175)
+  store { ptr, i64, i64 } %t175, ptr %a176
+  call void @finch_str_drop(ptr %a176)
+  br label %endif8129
+endif8129:
+  %t177 = load i64, ptr %a95
+  %t178 = load i64, ptr %a95
+  %t179 = load { ptr, i64, i64 }, ptr %a79
+  %t180 = extractvalue { ptr, i64, i64 } %t179, 1
+  %t181 = icmp uge i64 %t178, %t180
+  br i1 %t181, label %range8130, label %inrange8131
+range8130:
+  call void @finch_panic_index(ptr @.str.5315, i64 4940, i64 %t178, i64 %t180)
   unreachable
-inrange7729:
-  %t171 = extractvalue { ptr, i64, i64 } %t168, 0
-  %t172 = getelementptr inbounds i64, ptr %t171, i64 %t167
-  store i64 %t166, ptr %t172
-  br label %for.step7713
-endif7724:
-  %t173 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i32 0, i32 1
-  %t175 = load i64, ptr %a93
-  %t176 = load { ptr, i64, i64 }, ptr %a4
-  %t177 = extractvalue { ptr, i64, i64 } %t176, 1
-  %t178 = icmp uge i64 %t175, %t177
-  br i1 %t178, label %range7730, label %inrange7731
-range7730:
-  call void @finch_panic_index(ptr @.str.5132, i64 4593, i64 %t175, i64 %t177)
+inrange8131:
+  %t182 = extractvalue { ptr, i64, i64 } %t179, 0
+  %t183 = getelementptr inbounds i64, ptr %t182, i64 %t178
+  store i64 %t177, ptr %t183
+  br label %for.step8115
+endif8126:
+  %t184 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i32 0, i32 1
+  %t186 = load i64, ptr %a95
+  %t187 = load { ptr, i64, i64 }, ptr %a4
+  %t188 = extractvalue { ptr, i64, i64 } %t187, 1
+  %t189 = icmp uge i64 %t186, %t188
+  br i1 %t189, label %range8132, label %inrange8133
+range8132:
+  call void @finch_panic_index(ptr @.str.5316, i64 4943, i64 %t186, i64 %t188)
   unreachable
-inrange7731:
-  %t179 = extractvalue { ptr, i64, i64 } %t176, 0
-  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i64 %t175
-  %t181 = load { ptr, i64, i64 }, ptr %t180
-  store i64 -1, ptr %a182
-  %t183 = load i64, ptr %t174
-  %t184 = load ptr, ptr %t173
-  store i64 0, ptr %a185
-  br label %find.cond7732
-find.cond7732:
-  %t186 = load i64, ptr %a185
-  %t187 = icmp slt i64 %t186, %t183
-  br i1 %t187, label %find.body7733, label %find.end7736
-find.body7733:
-  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i64 %t186
-  %t189 = load { ptr, i64, i64 }, ptr %t188
-  store { ptr, i64, i64 } %t189, ptr %a190
-  store { ptr, i64, i64 } %t181, ptr %a191
-  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
-  %t193 = icmp ne i32 %t192, 0
-  br i1 %t193, label %find.hit7734, label %find.next7735
-find.hit7734:
-  store i64 %t186, ptr %a182
-  br label %find.end7736
-find.next7735:
-  %t194 = add i64 %t186, 1
-  store i64 %t194, ptr %a185
-  br label %find.cond7732
-find.end7736:
-  %t195 = load i64, ptr %a182
-  store i64 %t195, ptr %a196
+inrange8133:
+  %t190 = extractvalue { ptr, i64, i64 } %t187, 0
+  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t190, i64 %t186
+  %t192 = load { ptr, i64, i64 }, ptr %t191
+  store i64 -1, ptr %a193
+  %t194 = load i64, ptr %t185
+  %t195 = load ptr, ptr %t184
+  store i64 0, ptr %a196
+  br label %find.cond8134
+find.cond8134:
   %t197 = load i64, ptr %a196
-  %t198 = icmp slt i64 %t197, 0
-  br i1 %t198, label %then7737, label %endif7739
-then7737:
-  %t199 = load ptr, ptr %a1
-  %t200 = load i64, ptr %a93
-  %t201 = load { ptr, i64, i64 }, ptr %a3
-  %t202 = extractvalue { ptr, i64, i64 } %t201, 1
-  %t203 = icmp uge i64 %t200, %t202
-  br i1 %t203, label %range7740, label %inrange7741
-range7740:
-  call void @finch_panic_index(ptr @.str.5133, i64 4595, i64 %t200, i64 %t202)
+  %t198 = icmp slt i64 %t197, %t194
+  br i1 %t198, label %find.body8135, label %find.end8138
+find.body8135:
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t195, i64 %t197
+  %t200 = load { ptr, i64, i64 }, ptr %t199
+  store { ptr, i64, i64 } %t200, ptr %a201
+  store { ptr, i64, i64 } %t192, ptr %a202
+  %t203 = call i32 @finch_str_eq(ptr %a201, ptr %a202)
+  %t204 = icmp ne i32 %t203, 0
+  br i1 %t204, label %find.hit8136, label %find.next8137
+find.hit8136:
+  store i64 %t197, ptr %a193
+  br label %find.end8138
+find.next8137:
+  %t205 = add i64 %t197, 1
+  store i64 %t205, ptr %a196
+  br label %find.cond8134
+find.end8138:
+  %t206 = load i64, ptr %a193
+  store i64 %t206, ptr %a207
+  %t208 = load i64, ptr %a207
+  %t209 = icmp slt i64 %t208, 0
+  br i1 %t209, label %then8139, label %endif8141
+then8139:
+  %t210 = load ptr, ptr %a1
+  %t211 = load i64, ptr %a95
+  %t212 = load { ptr, i64, i64 }, ptr %a3
+  %t213 = extractvalue { ptr, i64, i64 } %t212, 1
+  %t214 = icmp uge i64 %t211, %t213
+  br i1 %t214, label %range8142, label %inrange8143
+range8142:
+  call void @finch_panic_index(ptr @.str.5317, i64 4945, i64 %t211, i64 %t213)
   unreachable
-inrange7741:
-  %t204 = extractvalue { ptr, i64, i64 } %t201, 0
-  %t205 = getelementptr inbounds %S.ast.Node, ptr %t204, i64 %t200
-  %t206 = load %S.ast.Node, ptr %t205
-  %t207 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
-  %t208 = load { ptr, i64, i64 }, ptr %t207
-  store { ptr, i64, i64 } %t208, ptr %a210
-  store { ptr, i64, i64 } { ptr @.str.5134, i64 15, i64 0 }, ptr %a211
-  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
-  %t212 = load { ptr, i64, i64 }, ptr %a209
-  %t213 = load i64, ptr %a93
-  %t214 = load { ptr, i64, i64 }, ptr %a4
-  %t215 = extractvalue { ptr, i64, i64 } %t214, 1
-  %t216 = icmp uge i64 %t213, %t215
-  br i1 %t216, label %range7742, label %inrange7743
-range7742:
-  call void @finch_panic_index(ptr @.str.5135, i64 4595, i64 %t213, i64 %t215)
-  unreachable
-inrange7743:
-  %t217 = extractvalue { ptr, i64, i64 } %t214, 0
-  %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %t217, i64 %t213
+inrange8143:
+  %t215 = extractvalue { ptr, i64, i64 } %t212, 0
+  %t216 = getelementptr inbounds %S.ast.Node, ptr %t215, i64 %t211
+  %t217 = load %S.ast.Node, ptr %t216
+  %t218 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 1
   %t219 = load { ptr, i64, i64 }, ptr %t218
-  store { ptr, i64, i64 } %t212, ptr %a221
-  store { ptr, i64, i64 } %t219, ptr %a222
+  store { ptr, i64, i64 } %t219, ptr %a221
+  store { ptr, i64, i64 } { ptr @.str.5318, i64 15, i64 0 }, ptr %a222
   call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
   %t223 = load { ptr, i64, i64 }, ptr %a220
-  store { ptr, i64, i64 } %t223, ptr %a225
-  store { ptr, i64, i64 } { ptr @.str.5136, i64 1, i64 0 }, ptr %a226
-  call void @finch_str_concat(ptr %a224, ptr %a225, ptr %a226)
-  %t227 = load { ptr, i64, i64 }, ptr %a224
-  call void @finch.gen.fail(ptr %t199, %S.ast.Node %t206, { ptr, i64, i64 } %t227)
-  br label %endif7739
-endif7739:
-  %t228 = load i64, ptr %a196
-  %t229 = load { ptr, i64, i64 }, ptr %a77
-  %t230 = extractvalue { ptr, i64, i64 } %t229, 1
-  %t231 = icmp uge i64 %t228, %t230
-  br i1 %t231, label %range7744, label %inrange7745
-range7744:
-  call void @finch_panic_index(ptr @.str.5137, i64 4597, i64 %t228, i64 %t230)
+  %t224 = load i64, ptr %a95
+  %t225 = load { ptr, i64, i64 }, ptr %a4
+  %t226 = extractvalue { ptr, i64, i64 } %t225, 1
+  %t227 = icmp uge i64 %t224, %t226
+  br i1 %t227, label %range8144, label %inrange8145
+range8144:
+  call void @finch_panic_index(ptr @.str.5319, i64 4945, i64 %t224, i64 %t226)
   unreachable
-inrange7745:
-  %t232 = extractvalue { ptr, i64, i64 } %t229, 0
-  %t233 = getelementptr inbounds i64, ptr %t232, i64 %t228
-  %t234 = load i64, ptr %t233
-  %t235 = icmp sge i64 %t234, 0
-  br i1 %t235, label %then7746, label %endif7748
-then7746:
-  %t236 = load ptr, ptr %a1
-  %t237 = load i64, ptr %a93
-  %t238 = load { ptr, i64, i64 }, ptr %a3
-  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
-  %t240 = icmp uge i64 %t237, %t239
-  br i1 %t240, label %range7749, label %inrange7750
-range7749:
-  call void @finch_panic_index(ptr @.str.5138, i64 4598, i64 %t237, i64 %t239)
+inrange8145:
+  %t228 = extractvalue { ptr, i64, i64 } %t225, 0
+  %t229 = getelementptr inbounds { ptr, i64, i64 }, ptr %t228, i64 %t224
+  %t230 = load { ptr, i64, i64 }, ptr %t229
+  store { ptr, i64, i64 } %t223, ptr %a232
+  store { ptr, i64, i64 } %t230, ptr %a233
+  call void @finch_str_concat(ptr %a231, ptr %a232, ptr %a233)
+  store { ptr, i64, i64 } %t223, ptr %a234
+  call void @finch_str_drop(ptr %a234)
+  %t235 = load { ptr, i64, i64 }, ptr %a231
+  store { ptr, i64, i64 } %t235, ptr %a237
+  store { ptr, i64, i64 } { ptr @.str.5320, i64 1, i64 0 }, ptr %a238
+  call void @finch_str_concat(ptr %a236, ptr %a237, ptr %a238)
+  store { ptr, i64, i64 } %t235, ptr %a239
+  call void @finch_str_drop(ptr %a239)
+  %t240 = load { ptr, i64, i64 }, ptr %a236
+  call void @finch.gen.fail(ptr %t210, %S.ast.Node %t217, { ptr, i64, i64 } %t240)
+  store { ptr, i64, i64 } %t240, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  br label %endif8141
+endif8141:
+  %t242 = load i64, ptr %a207
+  %t243 = load { ptr, i64, i64 }, ptr %a79
+  %t244 = extractvalue { ptr, i64, i64 } %t243, 1
+  %t245 = icmp uge i64 %t242, %t244
+  br i1 %t245, label %range8146, label %inrange8147
+range8146:
+  call void @finch_panic_index(ptr @.str.5321, i64 4947, i64 %t242, i64 %t244)
   unreachable
-inrange7750:
-  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
-  %t242 = getelementptr inbounds %S.ast.Node, ptr %t241, i64 %t237
-  %t243 = load %S.ast.Node, ptr %t242
-  %t244 = load i64, ptr %a93
-  %t245 = load { ptr, i64, i64 }, ptr %a4
-  %t246 = extractvalue { ptr, i64, i64 } %t245, 1
-  %t247 = icmp uge i64 %t244, %t246
-  br i1 %t247, label %range7751, label %inrange7752
-range7751:
-  call void @finch_panic_index(ptr @.str.5140, i64 4598, i64 %t244, i64 %t246)
+inrange8147:
+  %t246 = extractvalue { ptr, i64, i64 } %t243, 0
+  %t247 = getelementptr inbounds i64, ptr %t246, i64 %t242
+  %t248 = load i64, ptr %t247
+  %t249 = icmp sge i64 %t248, 0
+  br i1 %t249, label %then8148, label %endif8150
+then8148:
+  %t250 = load ptr, ptr %a1
+  %t251 = load i64, ptr %a95
+  %t252 = load { ptr, i64, i64 }, ptr %a3
+  %t253 = extractvalue { ptr, i64, i64 } %t252, 1
+  %t254 = icmp uge i64 %t251, %t253
+  br i1 %t254, label %range8151, label %inrange8152
+range8151:
+  call void @finch_panic_index(ptr @.str.5322, i64 4948, i64 %t251, i64 %t253)
   unreachable
-inrange7752:
-  %t248 = extractvalue { ptr, i64, i64 } %t245, 0
-  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i64 %t244
-  %t250 = load { ptr, i64, i64 }, ptr %t249
-  store { ptr, i64, i64 } { ptr @.str.5139, i64 11, i64 0 }, ptr %a252
-  store { ptr, i64, i64 } %t250, ptr %a253
-  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
-  %t254 = load { ptr, i64, i64 }, ptr %a251
-  store { ptr, i64, i64 } %t254, ptr %a256
-  store { ptr, i64, i64 } { ptr @.str.5141, i64 16, i64 0 }, ptr %a257
-  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
-  %t258 = load { ptr, i64, i64 }, ptr %a255
-  call void @finch.gen.fail(ptr %t236, %S.ast.Node %t243, { ptr, i64, i64 } %t258)
-  br label %endif7748
-endif7748:
-  %t259 = load i64, ptr %a93
-  %t260 = load i64, ptr %a196
-  %t261 = load { ptr, i64, i64 }, ptr %a77
-  %t262 = extractvalue { ptr, i64, i64 } %t261, 1
-  %t263 = icmp uge i64 %t260, %t262
-  br i1 %t263, label %range7753, label %inrange7754
-range7753:
-  call void @finch_panic_index(ptr @.str.5142, i64 4600, i64 %t260, i64 %t262)
+inrange8152:
+  %t255 = extractvalue { ptr, i64, i64 } %t252, 0
+  %t256 = getelementptr inbounds %S.ast.Node, ptr %t255, i64 %t251
+  %t257 = load %S.ast.Node, ptr %t256
+  %t258 = load i64, ptr %a95
+  %t259 = load { ptr, i64, i64 }, ptr %a4
+  %t260 = extractvalue { ptr, i64, i64 } %t259, 1
+  %t261 = icmp uge i64 %t258, %t260
+  br i1 %t261, label %range8153, label %inrange8154
+range8153:
+  call void @finch_panic_index(ptr @.str.5324, i64 4948, i64 %t258, i64 %t260)
   unreachable
-inrange7754:
-  %t264 = extractvalue { ptr, i64, i64 } %t261, 0
-  %t265 = getelementptr inbounds i64, ptr %t264, i64 %t260
-  store i64 %t259, ptr %t265
-  br label %for.step7713
-for.step7713:
-  %t266 = load i64, ptr %a93
-  %t267 = add i64 %t266, 1
-  store i64 %t267, ptr %a93
-  br label %for.cond7711
-for.end7714:
-  store { ptr, i64, i64 } { ptr @.str.5143, i64 15, i64 0 }, ptr %a268
-  %t269 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t270 = getelementptr inbounds { ptr, i64, i64 }, ptr %t269, i32 0, i32 1
-  %t271 = load i64, ptr %t270
-  store i64 0, ptr %a272
-  br label %for.cond7755
-for.cond7755:
-  %t273 = load i64, ptr %a272
-  %t274 = icmp slt i64 %t273, %t271
-  br i1 %t274, label %for.body7756, label %for.end7758
-for.body7756:
-  %t275 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 12
-  %t276 = load i64, ptr %a272
-  %t277 = load { ptr, i64, i64 }, ptr %t275
+inrange8154:
+  %t262 = extractvalue { ptr, i64, i64 } %t259, 0
+  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 %t258
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  store { ptr, i64, i64 } { ptr @.str.5323, i64 11, i64 0 }, ptr %a266
+  store { ptr, i64, i64 } %t264, ptr %a267
+  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
+  %t268 = load { ptr, i64, i64 }, ptr %a265
+  store { ptr, i64, i64 } %t268, ptr %a270
+  store { ptr, i64, i64 } { ptr @.str.5325, i64 16, i64 0 }, ptr %a271
+  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
+  store { ptr, i64, i64 } %t268, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  %t273 = load { ptr, i64, i64 }, ptr %a269
+  call void @finch.gen.fail(ptr %t250, %S.ast.Node %t257, { ptr, i64, i64 } %t273)
+  store { ptr, i64, i64 } %t273, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  br label %endif8150
+endif8150:
+  %t275 = load i64, ptr %a95
+  %t276 = load i64, ptr %a207
+  %t277 = load { ptr, i64, i64 }, ptr %a79
   %t278 = extractvalue { ptr, i64, i64 } %t277, 1
   %t279 = icmp uge i64 %t276, %t278
-  br i1 %t279, label %range7759, label %inrange7760
-range7759:
-  call void @finch_panic_index(ptr @.str.5144, i64 4604, i64 %t276, i64 %t278)
+  br i1 %t279, label %range8155, label %inrange8156
+range8155:
+  call void @finch_panic_index(ptr @.str.5326, i64 4950, i64 %t276, i64 %t278)
   unreachable
-inrange7760:
+inrange8156:
   %t280 = extractvalue { ptr, i64, i64 } %t277, 0
-  %t281 = getelementptr inbounds %S.ast.Type, ptr %t280, i64 %t276
-  %t282 = load %S.ast.Type, ptr %t281
-  store %S.ast.Type %t282, ptr %a283
-  call void @finch.copy.S_ast_Type(ptr %a284, ptr %a283)
-  %t285 = load %S.ast.Type, ptr %a284
-  store %S.ast.Type %t285, ptr %a286
-  store %S.gen.Val zeroinitializer, ptr %a287
-  %t288 = load i64, ptr %a272
-  %t289 = load { ptr, i64, i64 }, ptr %a77
-  %t290 = extractvalue { ptr, i64, i64 } %t289, 1
-  %t291 = icmp uge i64 %t288, %t290
-  br i1 %t291, label %range7761, label %inrange7762
-range7761:
-  call void @finch_panic_index(ptr @.str.5145, i64 4606, i64 %t288, i64 %t290)
+  %t281 = getelementptr inbounds i64, ptr %t280, i64 %t276
+  store i64 %t275, ptr %t281
+  br label %for.step8115
+for.step8115:
+  %t282 = load i64, ptr %a95
+  %t283 = add i64 %t282, 1
+  store i64 %t283, ptr %a95
+  br label %for.cond8113
+for.end8116:
+  store { ptr, i64, i64 } { ptr @.str.5327, i64 15, i64 0 }, ptr %a284
+  %t285 = load ptr, ptr %a1
+  %t286 = icmp eq ptr %t285, null
+  br i1 %t286, label %panic8157, label %ok8158
+panic8157:
+  call void @finch_panic(ptr @.str.5328, i64 4953, ptr @.str.5329)
   unreachable
-inrange7762:
-  %t292 = extractvalue { ptr, i64, i64 } %t289, 0
-  %t293 = getelementptr inbounds i64, ptr %t292, i64 %t288
-  %t294 = load i64, ptr %t293
-  %t295 = icmp sge i64 %t294, 0
-  br i1 %t295, label %then7763, label %else7764
-then7763:
-  %t296 = load ptr, ptr %a1
-  %t297 = load ptr, ptr %a1
-  %t298 = load i64, ptr %a272
-  %t299 = load { ptr, i64, i64 }, ptr %a77
+ok8158:
+  %t287 = getelementptr inbounds %S.gen.Gen, ptr %t285, i32 0, i32 11
+  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %t287, i32 0, i32 1
+  %t289 = load i64, ptr %t288
+  store i64 %t289, ptr %a290
+  %t291 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t292 = getelementptr inbounds { ptr, i64, i64 }, ptr %t291, i32 0, i32 1
+  %t293 = load i64, ptr %t292
+  store i64 0, ptr %a294
+  br label %for.cond8159
+for.cond8159:
+  %t295 = load i64, ptr %a294
+  %t296 = icmp slt i64 %t295, %t293
+  br i1 %t296, label %for.body8160, label %for.end8162
+for.body8160:
+  %t297 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 12
+  %t298 = load i64, ptr %a294
+  %t299 = load { ptr, i64, i64 }, ptr %t297
   %t300 = extractvalue { ptr, i64, i64 } %t299, 1
   %t301 = icmp uge i64 %t298, %t300
-  br i1 %t301, label %range7766, label %inrange7767
-range7766:
-  call void @finch_panic_index(ptr @.str.5146, i64 4607, i64 %t298, i64 %t300)
+  br i1 %t301, label %range8163, label %inrange8164
+range8163:
+  call void @finch_panic_index(ptr @.str.5330, i64 4955, i64 %t298, i64 %t300)
   unreachable
-inrange7767:
+inrange8164:
   %t302 = extractvalue { ptr, i64, i64 } %t299, 0
-  %t303 = getelementptr inbounds i64, ptr %t302, i64 %t298
-  %t304 = load i64, ptr %t303
-  %t305 = load { ptr, i64, i64 }, ptr %a3
-  %t306 = extractvalue { ptr, i64, i64 } %t305, 1
-  %t307 = icmp uge i64 %t304, %t306
-  br i1 %t307, label %range7768, label %inrange7769
-range7768:
-  call void @finch_panic_index(ptr @.str.5147, i64 4607, i64 %t304, i64 %t306)
+  %t303 = getelementptr inbounds %S.ast.Type, ptr %t302, i64 %t298
+  %t304 = load %S.ast.Type, ptr %t303
+  store %S.ast.Type %t304, ptr %a305
+  call void @finch.copy.S_ast_Type(ptr %a306, ptr %a305)
+  %t307 = load %S.ast.Type, ptr %a306
+  store %S.ast.Type %t307, ptr %a308
+  store %S.gen.Val zeroinitializer, ptr %a309
+  %t310 = load i64, ptr %a294
+  %t311 = load { ptr, i64, i64 }, ptr %a79
+  %t312 = extractvalue { ptr, i64, i64 } %t311, 1
+  %t313 = icmp uge i64 %t310, %t312
+  br i1 %t313, label %range8165, label %inrange8166
+range8165:
+  call void @finch_panic_index(ptr @.str.5331, i64 4957, i64 %t310, i64 %t312)
   unreachable
-inrange7769:
-  %t308 = extractvalue { ptr, i64, i64 } %t305, 0
-  %t309 = getelementptr inbounds %S.ast.Node, ptr %t308, i64 %t304
-  %t310 = load %S.ast.Node, ptr %t309
-  %t311 = load %S.ast.Type, ptr %a286
-  %t312 = call %S.gen.Val @finch.gen.exprWant(ptr %t297, %S.ast.Node %t310, %S.ast.Type %t311)
-  %t313 = load %S.ast.Type, ptr %a286
-  %t314 = load i64, ptr %a272
-  %t315 = load { ptr, i64, i64 }, ptr %a77
-  %t316 = extractvalue { ptr, i64, i64 } %t315, 1
-  %t317 = icmp uge i64 %t314, %t316
-  br i1 %t317, label %range7770, label %inrange7771
-range7770:
-  call void @finch_panic_index(ptr @.str.5148, i64 4607, i64 %t314, i64 %t316)
-  unreachable
-inrange7771:
-  %t318 = extractvalue { ptr, i64, i64 } %t315, 0
-  %t319 = getelementptr inbounds i64, ptr %t318, i64 %t314
-  %t320 = load i64, ptr %t319
-  %t321 = load { ptr, i64, i64 }, ptr %a3
+inrange8166:
+  %t314 = extractvalue { ptr, i64, i64 } %t311, 0
+  %t315 = getelementptr inbounds i64, ptr %t314, i64 %t310
+  %t316 = load i64, ptr %t315
+  %t317 = icmp sge i64 %t316, 0
+  br i1 %t317, label %then8167, label %else8168
+then8167:
+  %t318 = load ptr, ptr %a1
+  %t319 = load ptr, ptr %a1
+  %t320 = load i64, ptr %a294
+  %t321 = load { ptr, i64, i64 }, ptr %a79
   %t322 = extractvalue { ptr, i64, i64 } %t321, 1
   %t323 = icmp uge i64 %t320, %t322
-  br i1 %t323, label %range7772, label %inrange7773
-range7772:
-  call void @finch_panic_index(ptr @.str.5149, i64 4607, i64 %t320, i64 %t322)
+  br i1 %t323, label %range8170, label %inrange8171
+range8170:
+  call void @finch_panic_index(ptr @.str.5332, i64 4958, i64 %t320, i64 %t322)
   unreachable
-inrange7773:
+inrange8171:
   %t324 = extractvalue { ptr, i64, i64 } %t321, 0
-  %t325 = getelementptr inbounds %S.ast.Node, ptr %t324, i64 %t320
-  %t326 = load %S.ast.Node, ptr %t325
-  %t327 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t328 = load i64, ptr %a272
-  %t329 = load { ptr, i64, i64 }, ptr %t327
-  %t330 = extractvalue { ptr, i64, i64 } %t329, 1
-  %t331 = icmp uge i64 %t328, %t330
-  br i1 %t331, label %range7774, label %inrange7775
-range7774:
-  call void @finch_panic_index(ptr @.str.5151, i64 4607, i64 %t328, i64 %t330)
+  %t325 = getelementptr inbounds i64, ptr %t324, i64 %t320
+  %t326 = load i64, ptr %t325
+  %t327 = load { ptr, i64, i64 }, ptr %a3
+  %t328 = extractvalue { ptr, i64, i64 } %t327, 1
+  %t329 = icmp uge i64 %t326, %t328
+  br i1 %t329, label %range8172, label %inrange8173
+range8172:
+  call void @finch_panic_index(ptr @.str.5333, i64 4958, i64 %t326, i64 %t328)
   unreachable
-inrange7775:
-  %t332 = extractvalue { ptr, i64, i64 } %t329, 0
-  %t333 = getelementptr inbounds { ptr, i64, i64 }, ptr %t332, i64 %t328
-  %t334 = load { ptr, i64, i64 }, ptr %t333
-  store { ptr, i64, i64 } { ptr @.str.5150, i64 11, i64 0 }, ptr %a336
-  store { ptr, i64, i64 } %t334, ptr %a337
-  call void @finch_str_concat(ptr %a335, ptr %a336, ptr %a337)
-  %t338 = load { ptr, i64, i64 }, ptr %a335
-  store { ptr, i64, i64 } %t338, ptr %a340
-  store { ptr, i64, i64 } { ptr @.str.5152, i64 1, i64 0 }, ptr %a341
-  call void @finch_str_concat(ptr %a339, ptr %a340, ptr %a341)
-  %t342 = load { ptr, i64, i64 }, ptr %a339
-  %t343 = call %S.gen.Val @finch.gen.coerce(ptr %t296, %S.gen.Val %t312, %S.ast.Type %t313, %S.ast.Node %t326, { ptr, i64, i64 } %t342)
-  store %S.gen.Val %t343, ptr %a287
-  br label %endif7765
-else7764:
-  %t344 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 2
-  %t345 = load i1, ptr %t344
-  %t346 = xor i1 %t345, true
-  br label %logic.from7776
-logic.from7776:
-  br i1 %t346, label %logic.rhs7777, label %logic.end7778
-logic.rhs7777:
-  %t347 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
-  %t348 = load i64, ptr %a272
-  %t349 = load { ptr, i64, i64 }, ptr %t347
-  %t350 = extractvalue { ptr, i64, i64 } %t349, 1
-  %t351 = icmp uge i64 %t348, %t350
-  br i1 %t351, label %range7779, label %inrange7780
-range7779:
-  call void @finch_panic_index(ptr @.str.5153, i64 4608, i64 %t348, i64 %t350)
+inrange8173:
+  %t330 = extractvalue { ptr, i64, i64 } %t327, 0
+  %t331 = getelementptr inbounds %S.ast.Node, ptr %t330, i64 %t326
+  %t332 = load %S.ast.Node, ptr %t331
+  %t333 = load %S.ast.Type, ptr %a308
+  %t334 = call %S.gen.Val @finch.gen.exprWant(ptr %t319, %S.ast.Node %t332, %S.ast.Type %t333)
+  %t335 = load %S.ast.Type, ptr %a308
+  %t336 = load i64, ptr %a294
+  %t337 = load { ptr, i64, i64 }, ptr %a79
+  %t338 = extractvalue { ptr, i64, i64 } %t337, 1
+  %t339 = icmp uge i64 %t336, %t338
+  br i1 %t339, label %range8174, label %inrange8175
+range8174:
+  call void @finch_panic_index(ptr @.str.5334, i64 4958, i64 %t336, i64 %t338)
   unreachable
-inrange7780:
-  %t352 = extractvalue { ptr, i64, i64 } %t349, 0
-  %t353 = getelementptr inbounds %S.ast.Node, ptr %t352, i64 %t348
-  %t354 = getelementptr inbounds %S.ast.Node, ptr %t353, i32 0, i32 9
-  %t355 = getelementptr inbounds { ptr, i64, i64 }, ptr %t354, i32 0, i32 1
-  %t356 = load i64, ptr %t355
-  %t357 = icmp sgt i64 %t356, 0
-  br label %logic.rend7781
-logic.rend7781:
-  br label %logic.end7778
-logic.end7778:
-  %t358 = phi i1 [ false, %logic.from7776 ], [ %t357, %logic.rend7781 ]
-  br i1 %t358, label %then7782, label %else7783
-then7782:
-  %t359 = load ptr, ptr %a1
-  %t360 = icmp eq ptr %t359, null
-  br i1 %t360, label %panic7785, label %ok7786
-panic7785:
-  call void @finch_panic(ptr @.str.5154, i64 4610, ptr @.str.5155)
+inrange8175:
+  %t340 = extractvalue { ptr, i64, i64 } %t337, 0
+  %t341 = getelementptr inbounds i64, ptr %t340, i64 %t336
+  %t342 = load i64, ptr %t341
+  %t343 = load { ptr, i64, i64 }, ptr %a3
+  %t344 = extractvalue { ptr, i64, i64 } %t343, 1
+  %t345 = icmp uge i64 %t342, %t344
+  br i1 %t345, label %range8176, label %inrange8177
+range8176:
+  call void @finch_panic_index(ptr @.str.5335, i64 4958, i64 %t342, i64 %t344)
   unreachable
-ok7786:
-  %t361 = getelementptr inbounds %S.gen.Gen, ptr %t359, i32 0, i32 10
-  %t362 = load { ptr, i64, i64 }, ptr %t361
-  store { ptr, i64, i64 } %t362, ptr %a363
-  call void @finch.copy.arr_S_gen_Scope(ptr %a364, ptr %a363)
-  %t365 = load { ptr, i64, i64 }, ptr %a364
-  store { ptr, i64, i64 } %t365, ptr %a366
-  %t367 = load ptr, ptr %a1
-  %t368 = icmp eq ptr %t367, null
-  br i1 %t368, label %panic7787, label %ok7788
-panic7787:
-  call void @finch_panic(ptr @.str.5156, i64 4611, ptr @.str.5157)
+inrange8177:
+  %t346 = extractvalue { ptr, i64, i64 } %t343, 0
+  %t347 = getelementptr inbounds %S.ast.Node, ptr %t346, i64 %t342
+  %t348 = load %S.ast.Node, ptr %t347
+  %t349 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t350 = load i64, ptr %a294
+  %t351 = load { ptr, i64, i64 }, ptr %t349
+  %t352 = extractvalue { ptr, i64, i64 } %t351, 1
+  %t353 = icmp uge i64 %t350, %t352
+  br i1 %t353, label %range8178, label %inrange8179
+range8178:
+  call void @finch_panic_index(ptr @.str.5337, i64 4958, i64 %t350, i64 %t352)
   unreachable
-ok7788:
-  %t369 = getelementptr inbounds %S.gen.Gen, ptr %t367, i32 0, i32 13
-  %t370 = load { ptr, i64, i64 }, ptr %t369
-  store { ptr, i64, i64 } %t370, ptr %a371
-  call void @finch_str_copy(ptr %a372, ptr %a371)
-  %t373 = load { ptr, i64, i64 }, ptr %a372
-  store { ptr, i64, i64 } %t373, ptr %a374
-  %t375 = load ptr, ptr %a1
-  %t376 = icmp eq ptr %t375, null
-  br i1 %t376, label %panic7789, label %ok7790
-panic7789:
-  call void @finch_panic(ptr @.str.5158, i64 4612, ptr @.str.5159)
+inrange8179:
+  %t354 = extractvalue { ptr, i64, i64 } %t351, 0
+  %t355 = getelementptr inbounds { ptr, i64, i64 }, ptr %t354, i64 %t350
+  %t356 = load { ptr, i64, i64 }, ptr %t355
+  store { ptr, i64, i64 } { ptr @.str.5336, i64 11, i64 0 }, ptr %a358
+  store { ptr, i64, i64 } %t356, ptr %a359
+  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
+  %t360 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t360, ptr %a362
+  store { ptr, i64, i64 } { ptr @.str.5338, i64 1, i64 0 }, ptr %a363
+  call void @finch_str_concat(ptr %a361, ptr %a362, ptr %a363)
+  store { ptr, i64, i64 } %t360, ptr %a364
+  call void @finch_str_drop(ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a361
+  %t366 = call %S.gen.Val @finch.gen.coerce(ptr %t318, %S.gen.Val %t334, %S.ast.Type %t335, %S.ast.Node %t348, { ptr, i64, i64 } %t365)
+  store %S.gen.Val %t334, ptr %a367
+  call void @finch.drop.S_gen_Val(ptr %a367)
+  store { ptr, i64, i64 } %t365, ptr %a368
+  call void @finch_str_drop(ptr %a368)
+  %t369 = load %S.gen.Val, ptr %a309
+  store %S.gen.Val %t366, ptr %a309
+  store %S.gen.Val %t369, ptr %a370
+  call void @finch.drop.S_gen_Val(ptr %a370)
+  br label %endif8169
+else8168:
+  %t371 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 2
+  %t372 = load i1, ptr %t371
+  %t373 = xor i1 %t372, true
+  br label %logic.from8180
+logic.from8180:
+  br i1 %t373, label %logic.rhs8181, label %logic.end8182
+logic.rhs8181:
+  %t374 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
+  %t375 = load i64, ptr %a294
+  %t376 = load { ptr, i64, i64 }, ptr %t374
+  %t377 = extractvalue { ptr, i64, i64 } %t376, 1
+  %t378 = icmp uge i64 %t375, %t377
+  br i1 %t378, label %range8183, label %inrange8184
+range8183:
+  call void @finch_panic_index(ptr @.str.5339, i64 4959, i64 %t375, i64 %t377)
   unreachable
-ok7790:
-  %t377 = getelementptr inbounds %S.gen.Gen, ptr %t375, i32 0, i32 17
-  %t378 = load { ptr, i64, i64 }, ptr %t377
-  store { ptr, i64, i64 } %t378, ptr %a379
-  call void @finch.copy.arr_str(ptr %a380, ptr %a379)
-  %t381 = load { ptr, i64, i64 }, ptr %a380
-  store { ptr, i64, i64 } %t381, ptr %a382
-  %t383 = load ptr, ptr %a1
-  %t384 = icmp eq ptr %t383, null
-  br i1 %t384, label %panic7791, label %ok7792
-panic7791:
-  call void @finch_panic(ptr @.str.5160, i64 4613, ptr @.str.5161)
+inrange8184:
+  %t379 = extractvalue { ptr, i64, i64 } %t376, 0
+  %t380 = getelementptr inbounds %S.ast.Node, ptr %t379, i64 %t375
+  %t381 = getelementptr inbounds %S.ast.Node, ptr %t380, i32 0, i32 9
+  %t382 = getelementptr inbounds { ptr, i64, i64 }, ptr %t381, i32 0, i32 1
+  %t383 = load i64, ptr %t382
+  %t384 = icmp sgt i64 %t383, 0
+  br label %logic.rend8185
+logic.rend8185:
+  br label %logic.end8182
+logic.end8182:
+  %t385 = phi i1 [ false, %logic.from8180 ], [ %t384, %logic.rend8185 ]
+  br i1 %t385, label %then8186, label %else8187
+then8186:
+  %t386 = load ptr, ptr %a1
+  %t387 = icmp eq ptr %t386, null
+  br i1 %t387, label %panic8189, label %ok8190
+panic8189:
+  call void @finch_panic(ptr @.str.5340, i64 4961, ptr @.str.5341)
   unreachable
-ok7792:
-  %t385 = getelementptr inbounds %S.gen.Gen, ptr %t383, i32 0, i32 18
-  %t386 = load { ptr, i64, i64 }, ptr %t385
-  store { ptr, i64, i64 } %t386, ptr %a387
-  call void @finch.copy.arr_S_ast_Type(ptr %a388, ptr %a387)
-  %t389 = load { ptr, i64, i64 }, ptr %a388
+ok8190:
+  %t388 = getelementptr inbounds %S.gen.Gen, ptr %t386, i32 0, i32 10
+  %t389 = load { ptr, i64, i64 }, ptr %t388
   store { ptr, i64, i64 } %t389, ptr %a390
-  %t391 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 6
-  %t392 = load { ptr, i64, i64 }, ptr %t391
-  %t393 = load ptr, ptr %a1
-  %t394 = icmp eq ptr %t393, null
-  br i1 %t394, label %panic7793, label %ok7794
-panic7793:
-  call void @finch_panic(ptr @.str.5162, i64 4614, ptr @.str.5163)
+  call void @finch.copy.arr_S_gen_Scope(ptr %a391, ptr %a390)
+  %t392 = load { ptr, i64, i64 }, ptr %a391
+  store { ptr, i64, i64 } %t392, ptr %a393
+  %t394 = load ptr, ptr %a1
+  %t395 = icmp eq ptr %t394, null
+  br i1 %t395, label %panic8191, label %ok8192
+panic8191:
+  call void @finch_panic(ptr @.str.5342, i64 4962, ptr @.str.5343)
   unreachable
-ok7794:
-  %t395 = getelementptr inbounds %S.gen.Gen, ptr %t393, i32 0, i32 17
-  store { ptr, i64, i64 } %t392, ptr %a396
-  call void @finch.copy.arr_str(ptr %a397, ptr %a396)
-  %t398 = load { ptr, i64, i64 }, ptr %a397
-  store { ptr, i64, i64 } %t398, ptr %t395
-  %t399 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 7
-  %t400 = load { ptr, i64, i64 }, ptr %t399
-  %t401 = load ptr, ptr %a1
-  %t402 = icmp eq ptr %t401, null
-  br i1 %t402, label %panic7795, label %ok7796
-panic7795:
-  call void @finch_panic(ptr @.str.5164, i64 4615, ptr @.str.5165)
+ok8192:
+  %t396 = getelementptr inbounds %S.gen.Gen, ptr %t394, i32 0, i32 14
+  %t397 = load { ptr, i64, i64 }, ptr %t396
+  store { ptr, i64, i64 } %t397, ptr %a398
+  call void @finch_str_copy(ptr %a399, ptr %a398)
+  %t400 = load { ptr, i64, i64 }, ptr %a399
+  store { ptr, i64, i64 } %t400, ptr %a401
+  %t402 = load ptr, ptr %a1
+  %t403 = icmp eq ptr %t402, null
+  br i1 %t403, label %panic8193, label %ok8194
+panic8193:
+  call void @finch_panic(ptr @.str.5344, i64 4963, ptr @.str.5345)
   unreachable
-ok7796:
-  %t403 = getelementptr inbounds %S.gen.Gen, ptr %t401, i32 0, i32 18
-  store { ptr, i64, i64 } %t400, ptr %a404
-  call void @finch.copy.arr_S_ast_Type(ptr %a405, ptr %a404)
-  %t406 = load { ptr, i64, i64 }, ptr %a405
-  store { ptr, i64, i64 } %t406, ptr %t403
-  store { ptr, i64, i64 } zeroinitializer, ptr %a407
+ok8194:
+  %t404 = getelementptr inbounds %S.gen.Gen, ptr %t402, i32 0, i32 18
+  %t405 = load { ptr, i64, i64 }, ptr %t404
+  store { ptr, i64, i64 } %t405, ptr %a406
+  call void @finch.copy.arr_str(ptr %a407, ptr %a406)
   %t408 = load { ptr, i64, i64 }, ptr %a407
-  %t409 = load ptr, ptr %a1
-  %t410 = icmp eq ptr %t409, null
-  br i1 %t410, label %panic7797, label %ok7798
-panic7797:
-  call void @finch_panic(ptr @.str.5166, i64 4617, ptr @.str.5167)
+  store { ptr, i64, i64 } %t408, ptr %a409
+  %t410 = load ptr, ptr %a1
+  %t411 = icmp eq ptr %t410, null
+  br i1 %t411, label %panic8195, label %ok8196
+panic8195:
+  call void @finch_panic(ptr @.str.5346, i64 4964, ptr @.str.5347)
   unreachable
-ok7798:
-  %t411 = getelementptr inbounds %S.gen.Gen, ptr %t409, i32 0, i32 10
-  store { ptr, i64, i64 } %t408, ptr %a412
-  call void @finch.copy.arr_S_gen_Scope(ptr %a413, ptr %a412)
-  %t414 = load { ptr, i64, i64 }, ptr %a413
-  store { ptr, i64, i64 } %t414, ptr %t411
-  %t415 = load ptr, ptr %a1
-  call void @finch.gen.pushScope(ptr %t415)
-  %t416 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
-  %t417 = load { ptr, i64, i64 }, ptr %t416
-  %t418 = load ptr, ptr %a1
-  %t419 = icmp eq ptr %t418, null
-  br i1 %t419, label %panic7799, label %ok7800
-panic7799:
-  call void @finch_panic(ptr @.str.5168, i64 4619, ptr @.str.5169)
+ok8196:
+  %t412 = getelementptr inbounds %S.gen.Gen, ptr %t410, i32 0, i32 19
+  %t413 = load { ptr, i64, i64 }, ptr %t412
+  store { ptr, i64, i64 } %t413, ptr %a414
+  call void @finch.copy.arr_S_ast_Type(ptr %a415, ptr %a414)
+  %t416 = load { ptr, i64, i64 }, ptr %a415
+  store { ptr, i64, i64 } %t416, ptr %a417
+  %t418 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 6
+  %t419 = load { ptr, i64, i64 }, ptr %t418
+  %t420 = load ptr, ptr %a1
+  %t421 = icmp eq ptr %t420, null
+  br i1 %t421, label %panic8197, label %ok8198
+panic8197:
+  call void @finch_panic(ptr @.str.5348, i64 4965, ptr @.str.5349)
   unreachable
-ok7800:
-  %t420 = getelementptr inbounds %S.gen.Gen, ptr %t418, i32 0, i32 13
-  store { ptr, i64, i64 } %t417, ptr %a421
-  call void @finch_str_copy(ptr %a422, ptr %a421)
-  %t423 = load { ptr, i64, i64 }, ptr %a422
-  store { ptr, i64, i64 } %t423, ptr %t420
-  %t424 = load ptr, ptr %a1
-  %t425 = load ptr, ptr %a1
-  %t426 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
-  %t427 = load i64, ptr %a272
-  %t428 = load { ptr, i64, i64 }, ptr %t426
-  %t429 = extractvalue { ptr, i64, i64 } %t428, 1
-  %t430 = icmp uge i64 %t427, %t429
-  br i1 %t430, label %range7801, label %inrange7802
-range7801:
-  call void @finch_panic_index(ptr @.str.5170, i64 4620, i64 %t427, i64 %t429)
+ok8198:
+  %t422 = getelementptr inbounds %S.gen.Gen, ptr %t420, i32 0, i32 18
+  store { ptr, i64, i64 } %t419, ptr %a423
+  call void @finch.copy.arr_str(ptr %a424, ptr %a423)
+  %t425 = load { ptr, i64, i64 }, ptr %a424
+  %t426 = load { ptr, i64, i64 }, ptr %t422
+  store { ptr, i64, i64 } %t425, ptr %t422
+  store { ptr, i64, i64 } %t426, ptr %a427
+  call void @finch.drop.arr_str(ptr %a427)
+  %t428 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 7
+  %t429 = load { ptr, i64, i64 }, ptr %t428
+  %t430 = load ptr, ptr %a1
+  %t431 = icmp eq ptr %t430, null
+  br i1 %t431, label %panic8199, label %ok8200
+panic8199:
+  call void @finch_panic(ptr @.str.5350, i64 4966, ptr @.str.5351)
   unreachable
-inrange7802:
-  %t431 = extractvalue { ptr, i64, i64 } %t428, 0
-  %t432 = getelementptr inbounds %S.ast.Node, ptr %t431, i64 %t427
-  %t433 = getelementptr inbounds %S.ast.Node, ptr %t432, i32 0, i32 9
-  %t434 = load { ptr, i64, i64 }, ptr %t433
-  %t435 = extractvalue { ptr, i64, i64 } %t434, 1
-  %t436 = icmp uge i64 0, %t435
-  br i1 %t436, label %range7803, label %inrange7804
-range7803:
-  call void @finch_panic_index(ptr @.str.5171, i64 4620, i64 0, i64 %t435)
+ok8200:
+  %t432 = getelementptr inbounds %S.gen.Gen, ptr %t430, i32 0, i32 19
+  store { ptr, i64, i64 } %t429, ptr %a433
+  call void @finch.copy.arr_S_ast_Type(ptr %a434, ptr %a433)
+  %t435 = load { ptr, i64, i64 }, ptr %a434
+  %t436 = load { ptr, i64, i64 }, ptr %t432
+  store { ptr, i64, i64 } %t435, ptr %t432
+  store { ptr, i64, i64 } %t436, ptr %a437
+  call void @finch.drop.arr_S_ast_Type(ptr %a437)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a438
+  %t439 = load { ptr, i64, i64 }, ptr %a438
+  %t440 = load ptr, ptr %a1
+  %t441 = icmp eq ptr %t440, null
+  br i1 %t441, label %panic8201, label %ok8202
+panic8201:
+  call void @finch_panic(ptr @.str.5352, i64 4968, ptr @.str.5353)
   unreachable
-inrange7804:
-  %t437 = extractvalue { ptr, i64, i64 } %t434, 0
-  %t438 = getelementptr inbounds %S.ast.Node, ptr %t437, i64 0
-  %t439 = load %S.ast.Node, ptr %t438
-  %t440 = load %S.ast.Type, ptr %a286
-  %t441 = call %S.gen.Val @finch.gen.exprWant(ptr %t425, %S.ast.Node %t439, %S.ast.Type %t440)
-  %t442 = load %S.ast.Type, ptr %a286
-  %t443 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
-  %t444 = load i64, ptr %a272
-  %t445 = load { ptr, i64, i64 }, ptr %t443
-  %t446 = extractvalue { ptr, i64, i64 } %t445, 1
-  %t447 = icmp uge i64 %t444, %t446
-  br i1 %t447, label %range7805, label %inrange7806
-range7805:
-  call void @finch_panic_index(ptr @.str.5172, i64 4620, i64 %t444, i64 %t446)
+ok8202:
+  %t442 = getelementptr inbounds %S.gen.Gen, ptr %t440, i32 0, i32 10
+  store { ptr, i64, i64 } %t439, ptr %a443
+  call void @finch.copy.arr_S_gen_Scope(ptr %a444, ptr %a443)
+  %t445 = load { ptr, i64, i64 }, ptr %a444
+  %t446 = load { ptr, i64, i64 }, ptr %t442
+  store { ptr, i64, i64 } %t445, ptr %t442
+  store { ptr, i64, i64 } %t446, ptr %a447
+  call void @finch.drop.arr_S_gen_Scope(ptr %a447)
+  %t448 = load ptr, ptr %a1
+  call void @finch.gen.pushScope(ptr %t448)
+  %t449 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 0
+  %t450 = load { ptr, i64, i64 }, ptr %t449
+  %t451 = load ptr, ptr %a1
+  %t452 = icmp eq ptr %t451, null
+  br i1 %t452, label %panic8203, label %ok8204
+panic8203:
+  call void @finch_panic(ptr @.str.5354, i64 4970, ptr @.str.5355)
   unreachable
-inrange7806:
-  %t448 = extractvalue { ptr, i64, i64 } %t445, 0
-  %t449 = getelementptr inbounds %S.ast.Node, ptr %t448, i64 %t444
-  %t450 = getelementptr inbounds %S.ast.Node, ptr %t449, i32 0, i32 9
-  %t451 = load { ptr, i64, i64 }, ptr %t450
-  %t452 = extractvalue { ptr, i64, i64 } %t451, 1
-  %t453 = icmp uge i64 0, %t452
-  br i1 %t453, label %range7807, label %inrange7808
-range7807:
-  call void @finch_panic_index(ptr @.str.5173, i64 4620, i64 0, i64 %t452)
+ok8204:
+  %t453 = getelementptr inbounds %S.gen.Gen, ptr %t451, i32 0, i32 14
+  store { ptr, i64, i64 } %t450, ptr %a454
+  call void @finch_str_copy(ptr %a455, ptr %a454)
+  %t456 = load { ptr, i64, i64 }, ptr %a455
+  %t457 = load { ptr, i64, i64 }, ptr %t453
+  store { ptr, i64, i64 } %t456, ptr %t453
+  store { ptr, i64, i64 } %t457, ptr %a458
+  call void @finch_str_drop(ptr %a458)
+  %t459 = load ptr, ptr %a1
+  %t460 = load ptr, ptr %a1
+  %t461 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
+  %t462 = load i64, ptr %a294
+  %t463 = load { ptr, i64, i64 }, ptr %t461
+  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
+  %t465 = icmp uge i64 %t462, %t464
+  br i1 %t465, label %range8205, label %inrange8206
+range8205:
+  call void @finch_panic_index(ptr @.str.5356, i64 4971, i64 %t462, i64 %t464)
   unreachable
-inrange7808:
-  %t454 = extractvalue { ptr, i64, i64 } %t451, 0
-  %t455 = getelementptr inbounds %S.ast.Node, ptr %t454, i64 0
-  %t456 = load %S.ast.Node, ptr %t455
-  %t457 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
-  %t458 = load i64, ptr %a272
-  %t459 = load { ptr, i64, i64 }, ptr %t457
-  %t460 = extractvalue { ptr, i64, i64 } %t459, 1
-  %t461 = icmp uge i64 %t458, %t460
-  br i1 %t461, label %range7809, label %inrange7810
-range7809:
-  call void @finch_panic_index(ptr @.str.5175, i64 4620, i64 %t458, i64 %t460)
+inrange8206:
+  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
+  %t467 = getelementptr inbounds %S.ast.Node, ptr %t466, i64 %t462
+  %t468 = getelementptr inbounds %S.ast.Node, ptr %t467, i32 0, i32 9
+  %t469 = load { ptr, i64, i64 }, ptr %t468
+  %t470 = extractvalue { ptr, i64, i64 } %t469, 1
+  %t471 = icmp uge i64 0, %t470
+  br i1 %t471, label %range8207, label %inrange8208
+range8207:
+  call void @finch_panic_index(ptr @.str.5357, i64 4971, i64 0, i64 %t470)
   unreachable
-inrange7810:
-  %t462 = extractvalue { ptr, i64, i64 } %t459, 0
-  %t463 = getelementptr inbounds { ptr, i64, i64 }, ptr %t462, i64 %t458
-  %t464 = load { ptr, i64, i64 }, ptr %t463
-  store { ptr, i64, i64 } { ptr @.str.5174, i64 16, i64 0 }, ptr %a466
-  store { ptr, i64, i64 } %t464, ptr %a467
-  call void @finch_str_concat(ptr %a465, ptr %a466, ptr %a467)
-  %t468 = load { ptr, i64, i64 }, ptr %a465
-  store { ptr, i64, i64 } %t468, ptr %a470
-  store { ptr, i64, i64 } { ptr @.str.5176, i64 1, i64 0 }, ptr %a471
-  call void @finch_str_concat(ptr %a469, ptr %a470, ptr %a471)
-  %t472 = load { ptr, i64, i64 }, ptr %a469
-  %t473 = call %S.gen.Val @finch.gen.coerce(ptr %t424, %S.gen.Val %t441, %S.ast.Type %t442, %S.ast.Node %t456, { ptr, i64, i64 } %t472)
-  store %S.gen.Val %t473, ptr %a287
-  %t474 = load { ptr, i64, i64 }, ptr %a374
-  %t475 = load ptr, ptr %a1
-  %t476 = icmp eq ptr %t475, null
-  br i1 %t476, label %panic7811, label %ok7812
-panic7811:
-  call void @finch_panic(ptr @.str.5177, i64 4621, ptr @.str.5178)
+inrange8208:
+  %t472 = extractvalue { ptr, i64, i64 } %t469, 0
+  %t473 = getelementptr inbounds %S.ast.Node, ptr %t472, i64 0
+  %t474 = load %S.ast.Node, ptr %t473
+  %t475 = load %S.ast.Type, ptr %a308
+  %t476 = call %S.gen.Val @finch.gen.exprWant(ptr %t460, %S.ast.Node %t474, %S.ast.Type %t475)
+  %t477 = load %S.ast.Type, ptr %a308
+  %t478 = getelementptr inbounds %S.ast.Node, ptr %a20, i32 0, i32 9
+  %t479 = load i64, ptr %a294
+  %t480 = load { ptr, i64, i64 }, ptr %t478
+  %t481 = extractvalue { ptr, i64, i64 } %t480, 1
+  %t482 = icmp uge i64 %t479, %t481
+  br i1 %t482, label %range8209, label %inrange8210
+range8209:
+  call void @finch_panic_index(ptr @.str.5358, i64 4971, i64 %t479, i64 %t481)
   unreachable
-ok7812:
-  %t477 = getelementptr inbounds %S.gen.Gen, ptr %t475, i32 0, i32 13
-  store { ptr, i64, i64 } %t474, ptr %a478
-  call void @finch_str_copy(ptr %a479, ptr %a478)
-  %t480 = load { ptr, i64, i64 }, ptr %a479
-  store { ptr, i64, i64 } %t480, ptr %t477
-  %t481 = load { ptr, i64, i64 }, ptr %a382
-  %t482 = load ptr, ptr %a1
-  %t483 = icmp eq ptr %t482, null
-  br i1 %t483, label %panic7813, label %ok7814
-panic7813:
-  call void @finch_panic(ptr @.str.5179, i64 4622, ptr @.str.5180)
+inrange8210:
+  %t483 = extractvalue { ptr, i64, i64 } %t480, 0
+  %t484 = getelementptr inbounds %S.ast.Node, ptr %t483, i64 %t479
+  %t485 = getelementptr inbounds %S.ast.Node, ptr %t484, i32 0, i32 9
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  %t487 = extractvalue { ptr, i64, i64 } %t486, 1
+  %t488 = icmp uge i64 0, %t487
+  br i1 %t488, label %range8211, label %inrange8212
+range8211:
+  call void @finch_panic_index(ptr @.str.5359, i64 4971, i64 0, i64 %t487)
   unreachable
-ok7814:
-  %t484 = getelementptr inbounds %S.gen.Gen, ptr %t482, i32 0, i32 17
-  store { ptr, i64, i64 } %t481, ptr %a485
-  call void @finch.copy.arr_str(ptr %a486, ptr %a485)
-  %t487 = load { ptr, i64, i64 }, ptr %a486
-  store { ptr, i64, i64 } %t487, ptr %t484
-  %t488 = load { ptr, i64, i64 }, ptr %a390
-  %t489 = load ptr, ptr %a1
-  %t490 = icmp eq ptr %t489, null
-  br i1 %t490, label %panic7815, label %ok7816
-panic7815:
-  call void @finch_panic(ptr @.str.5181, i64 4623, ptr @.str.5182)
+inrange8212:
+  %t489 = extractvalue { ptr, i64, i64 } %t486, 0
+  %t490 = getelementptr inbounds %S.ast.Node, ptr %t489, i64 0
+  %t491 = load %S.ast.Node, ptr %t490
+  %t492 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 11
+  %t493 = load i64, ptr %a294
+  %t494 = load { ptr, i64, i64 }, ptr %t492
+  %t495 = extractvalue { ptr, i64, i64 } %t494, 1
+  %t496 = icmp uge i64 %t493, %t495
+  br i1 %t496, label %range8213, label %inrange8214
+range8213:
+  call void @finch_panic_index(ptr @.str.5361, i64 4971, i64 %t493, i64 %t495)
   unreachable
-ok7816:
-  %t491 = getelementptr inbounds %S.gen.Gen, ptr %t489, i32 0, i32 18
-  store { ptr, i64, i64 } %t488, ptr %a492
-  call void @finch.copy.arr_S_ast_Type(ptr %a493, ptr %a492)
-  %t494 = load { ptr, i64, i64 }, ptr %a493
-  store { ptr, i64, i64 } %t494, ptr %t491
-  %t495 = load { ptr, i64, i64 }, ptr %a366
-  %t496 = load ptr, ptr %a1
-  %t497 = icmp eq ptr %t496, null
-  br i1 %t497, label %panic7817, label %ok7818
-panic7817:
-  call void @finch_panic(ptr @.str.5183, i64 4624, ptr @.str.5184)
-  unreachable
-ok7818:
-  %t498 = getelementptr inbounds %S.gen.Gen, ptr %t496, i32 0, i32 10
-  store { ptr, i64, i64 } %t495, ptr %a499
-  call void @finch.copy.arr_S_gen_Scope(ptr %a500, ptr %a499)
-  %t501 = load { ptr, i64, i64 }, ptr %a500
-  store { ptr, i64, i64 } %t501, ptr %t498
-  br label %endif7784
-else7783:
-  br label %for.step7757
-endif7784:
-  br label %endif7765
-endif7765:
-  %t502 = load ptr, ptr %a1
-  %t503 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } { ptr @.str.5185, i64 12, i64 0 }, ptr %a505
-  store { ptr, i64, i64 } %t503, ptr %a506
+inrange8214:
+  %t497 = extractvalue { ptr, i64, i64 } %t494, 0
+  %t498 = getelementptr inbounds { ptr, i64, i64 }, ptr %t497, i64 %t493
+  %t499 = load { ptr, i64, i64 }, ptr %t498
+  store { ptr, i64, i64 } { ptr @.str.5360, i64 16, i64 0 }, ptr %a501
+  store { ptr, i64, i64 } %t499, ptr %a502
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  %t503 = load { ptr, i64, i64 }, ptr %a500
+  store { ptr, i64, i64 } %t503, ptr %a505
+  store { ptr, i64, i64 } { ptr @.str.5362, i64 1, i64 0 }, ptr %a506
   call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
-  %t507 = load { ptr, i64, i64 }, ptr %a504
-  store { ptr, i64, i64 } %t507, ptr %a509
-  store { ptr, i64, i64 } { ptr @.str.5186, i64 1, i64 0 }, ptr %a510
-  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
-  %t511 = load { ptr, i64, i64 }, ptr %a508
-  %t512 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t511, ptr %a514
-  store { ptr, i64, i64 } %t512, ptr %a515
-  call void @finch_str_concat(ptr %a513, ptr %a514, ptr %a515)
-  %t516 = load { ptr, i64, i64 }, ptr %a513
-  store { ptr, i64, i64 } %t516, ptr %a518
-  store { ptr, i64, i64 } { ptr @.str.5187, i64 2, i64 0 }, ptr %a519
-  call void @finch_str_concat(ptr %a517, ptr %a518, ptr %a519)
-  %t520 = load { ptr, i64, i64 }, ptr %a517
-  %t521 = load ptr, ptr %a1
-  %t522 = load %S.ast.Type, ptr %a286
-  %t523 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t521, %S.ast.Type %t522)
-  store { ptr, i64, i64 } %t520, ptr %a525
-  store { ptr, i64, i64 } %t523, ptr %a526
-  call void @finch_str_concat(ptr %a524, ptr %a525, ptr %a526)
-  %t527 = load { ptr, i64, i64 }, ptr %a524
-  store { ptr, i64, i64 } %t527, ptr %a529
-  store { ptr, i64, i64 } { ptr @.str.5188, i64 1, i64 0 }, ptr %a530
-  call void @finch_str_concat(ptr %a528, ptr %a529, ptr %a530)
-  %t531 = load { ptr, i64, i64 }, ptr %a528
-  %t532 = load ptr, ptr %a1
-  %t533 = load %S.gen.Val, ptr %a287
-  %t534 = call { ptr, i64, i64 } @finch.gen.own(ptr %t532, %S.gen.Val %t533)
-  store { ptr, i64, i64 } %t531, ptr %a536
-  store { ptr, i64, i64 } %t534, ptr %a537
-  call void @finch_str_concat(ptr %a535, ptr %a536, ptr %a537)
-  %t538 = load { ptr, i64, i64 }, ptr %a535
-  store { ptr, i64, i64 } %t538, ptr %a540
-  store { ptr, i64, i64 } { ptr @.str.5189, i64 2, i64 0 }, ptr %a541
-  call void @finch_str_concat(ptr %a539, ptr %a540, ptr %a541)
-  %t542 = load { ptr, i64, i64 }, ptr %a539
-  %t543 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 3
-  %t544 = load i64, ptr %a272
-  %t545 = load { ptr, i64, i64 }, ptr %t543
-  %t546 = extractvalue { ptr, i64, i64 } %t545, 1
-  %t547 = icmp uge i64 %t544, %t546
-  br i1 %t547, label %range7819, label %inrange7820
-range7819:
-  call void @finch_panic_index(ptr @.str.5190, i64 4628, i64 %t544, i64 %t546)
+  store { ptr, i64, i64 } %t503, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  %t508 = load { ptr, i64, i64 }, ptr %a504
+  %t509 = call %S.gen.Val @finch.gen.coerce(ptr %t459, %S.gen.Val %t476, %S.ast.Type %t477, %S.ast.Node %t491, { ptr, i64, i64 } %t508)
+  store %S.gen.Val %t476, ptr %a510
+  call void @finch.drop.S_gen_Val(ptr %a510)
+  store { ptr, i64, i64 } %t508, ptr %a511
+  call void @finch_str_drop(ptr %a511)
+  %t512 = load %S.gen.Val, ptr %a309
+  store %S.gen.Val %t509, ptr %a309
+  store %S.gen.Val %t512, ptr %a513
+  call void @finch.drop.S_gen_Val(ptr %a513)
+  %t514 = load { ptr, i64, i64 }, ptr %a401
+  %t515 = load ptr, ptr %a1
+  %t516 = icmp eq ptr %t515, null
+  br i1 %t516, label %panic8215, label %ok8216
+panic8215:
+  call void @finch_panic(ptr @.str.5363, i64 4972, ptr @.str.5364)
   unreachable
-inrange7820:
-  %t548 = extractvalue { ptr, i64, i64 } %t545, 0
-  %t549 = getelementptr inbounds i64, ptr %t548, i64 %t544
-  %t550 = load i64, ptr %t549
-  call void @finch_str_from_int(ptr %a551, i64 %t550)
-  %t552 = load { ptr, i64, i64 }, ptr %a551
-  store { ptr, i64, i64 } %t542, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = call { ptr, i64, i64 } @finch.gen.op(ptr %t502, { ptr, i64, i64 } %t556)
-  store { ptr, i64, i64 } %t557, ptr %a268
-  br label %for.step7757
-for.step7757:
-  %t558 = load i64, ptr %a272
-  %t559 = add i64 %t558, 1
-  store i64 %t559, ptr %a272
-  br label %for.cond7755
-for.end7758:
-  %t560 = load { ptr, i64, i64 }, ptr %a268
-  store { ptr, i64, i64 } %t560, ptr %a561
-  call void @finch_str_copy(ptr %a562, ptr %a561)
-  %t563 = load { ptr, i64, i64 }, ptr %a562
-  %t564 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t563, 0
-  %t565 = load %S.ast.Type, ptr %a59
-  store %S.ast.Type %t565, ptr %a566
-  call void @finch.copy.S_ast_Type(ptr %a567, ptr %a566)
-  %t568 = load %S.ast.Type, ptr %a567
-  %t569 = insertvalue %S.gen.Val %t564, %S.ast.Type %t568, 1
-  %t570 = load ptr, ptr %a1
-  %t571 = load %S.ast.Type, ptr %a59
-  %t572 = call i1 @finch.gen.owning(ptr %t570, %S.ast.Type %t571)
-  %t573 = insertvalue %S.gen.Val %t569, i1 %t572, 2
-  ret %S.gen.Val %t573
+ok8216:
+  %t517 = getelementptr inbounds %S.gen.Gen, ptr %t515, i32 0, i32 14
+  store { ptr, i64, i64 } %t514, ptr %a518
+  call void @finch_str_copy(ptr %a519, ptr %a518)
+  %t520 = load { ptr, i64, i64 }, ptr %a519
+  %t521 = load { ptr, i64, i64 }, ptr %t517
+  store { ptr, i64, i64 } %t520, ptr %t517
+  store { ptr, i64, i64 } %t521, ptr %a522
+  call void @finch_str_drop(ptr %a522)
+  %t523 = load { ptr, i64, i64 }, ptr %a409
+  %t524 = load ptr, ptr %a1
+  %t525 = icmp eq ptr %t524, null
+  br i1 %t525, label %panic8217, label %ok8218
+panic8217:
+  call void @finch_panic(ptr @.str.5365, i64 4973, ptr @.str.5366)
+  unreachable
+ok8218:
+  %t526 = getelementptr inbounds %S.gen.Gen, ptr %t524, i32 0, i32 18
+  store { ptr, i64, i64 } %t523, ptr %a527
+  call void @finch.copy.arr_str(ptr %a528, ptr %a527)
+  %t529 = load { ptr, i64, i64 }, ptr %a528
+  %t530 = load { ptr, i64, i64 }, ptr %t526
+  store { ptr, i64, i64 } %t529, ptr %t526
+  store { ptr, i64, i64 } %t530, ptr %a531
+  call void @finch.drop.arr_str(ptr %a531)
+  %t532 = load { ptr, i64, i64 }, ptr %a417
+  %t533 = load ptr, ptr %a1
+  %t534 = icmp eq ptr %t533, null
+  br i1 %t534, label %panic8219, label %ok8220
+panic8219:
+  call void @finch_panic(ptr @.str.5367, i64 4974, ptr @.str.5368)
+  unreachable
+ok8220:
+  %t535 = getelementptr inbounds %S.gen.Gen, ptr %t533, i32 0, i32 19
+  store { ptr, i64, i64 } %t532, ptr %a536
+  call void @finch.copy.arr_S_ast_Type(ptr %a537, ptr %a536)
+  %t538 = load { ptr, i64, i64 }, ptr %a537
+  %t539 = load { ptr, i64, i64 }, ptr %t535
+  store { ptr, i64, i64 } %t538, ptr %t535
+  store { ptr, i64, i64 } %t539, ptr %a540
+  call void @finch.drop.arr_S_ast_Type(ptr %a540)
+  %t541 = load { ptr, i64, i64 }, ptr %a393
+  %t542 = load ptr, ptr %a1
+  %t543 = icmp eq ptr %t542, null
+  br i1 %t543, label %panic8221, label %ok8222
+panic8221:
+  call void @finch_panic(ptr @.str.5369, i64 4975, ptr @.str.5370)
+  unreachable
+ok8222:
+  %t544 = getelementptr inbounds %S.gen.Gen, ptr %t542, i32 0, i32 10
+  store { ptr, i64, i64 } %t541, ptr %a545
+  call void @finch.copy.arr_S_gen_Scope(ptr %a546, ptr %a545)
+  %t547 = load { ptr, i64, i64 }, ptr %a546
+  %t548 = load { ptr, i64, i64 }, ptr %t544
+  store { ptr, i64, i64 } %t547, ptr %t544
+  store { ptr, i64, i64 } %t548, ptr %a549
+  call void @finch.drop.arr_S_gen_Scope(ptr %a549)
+  call void @finch.drop.arr_S_gen_Scope(ptr %a438)
+  call void @finch.drop.arr_S_ast_Type(ptr %a417)
+  call void @finch.drop.arr_str(ptr %a409)
+  call void @finch_str_drop(ptr %a401)
+  call void @finch.drop.arr_S_gen_Scope(ptr %a393)
+  br label %endif8188
+else8187:
+  call void @finch.drop.S_gen_Val(ptr %a309)
+  call void @finch.drop.S_ast_Type(ptr %a308)
+  br label %for.step8161
+endif8188:
+  br label %endif8169
+endif8169:
+  %t550 = load ptr, ptr %a1
+  %t551 = load %S.gen.Val, ptr %a309
+  %t552 = call { ptr, i64, i64 } @finch.gen.own(ptr %t550, %S.gen.Val %t551)
+  store { ptr, i64, i64 } %t552, ptr %a553
+  %t554 = load ptr, ptr %a1
+  %t555 = load { ptr, i64, i64 }, ptr %a553
+  store { ptr, i64, i64 } %t555, ptr %a556
+  call void @finch_str_copy(ptr %a557, ptr %a556)
+  %t558 = load { ptr, i64, i64 }, ptr %a557
+  %t559 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t558, 0
+  %t560 = load %S.ast.Type, ptr %a308
+  store %S.ast.Type %t560, ptr %a561
+  call void @finch.copy.S_ast_Type(ptr %a562, ptr %a561)
+  %t563 = load %S.ast.Type, ptr %a562
+  %t564 = insertvalue %S.gen.Val %t559, %S.ast.Type %t563, 1
+  %t565 = insertvalue %S.gen.Val %t564, i1 true, 2
+  call void @finch.gen.hold(ptr %t554, %S.gen.Val %t565)
+  store %S.gen.Val %t565, ptr %a566
+  call void @finch.drop.S_gen_Val(ptr %a566)
+  %t567 = load ptr, ptr %a1
+  %t568 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } { ptr @.str.5371, i64 12, i64 0 }, ptr %a570
+  store { ptr, i64, i64 } %t568, ptr %a571
+  call void @finch_str_concat(ptr %a569, ptr %a570, ptr %a571)
+  %t572 = load { ptr, i64, i64 }, ptr %a569
+  store { ptr, i64, i64 } %t572, ptr %a574
+  store { ptr, i64, i64 } { ptr @.str.5372, i64 1, i64 0 }, ptr %a575
+  call void @finch_str_concat(ptr %a573, ptr %a574, ptr %a575)
+  store { ptr, i64, i64 } %t572, ptr %a576
+  call void @finch_str_drop(ptr %a576)
+  %t577 = load { ptr, i64, i64 }, ptr %a573
+  %t578 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t577, ptr %a580
+  store { ptr, i64, i64 } %t578, ptr %a581
+  call void @finch_str_concat(ptr %a579, ptr %a580, ptr %a581)
+  store { ptr, i64, i64 } %t577, ptr %a582
+  call void @finch_str_drop(ptr %a582)
+  %t583 = load { ptr, i64, i64 }, ptr %a579
+  store { ptr, i64, i64 } %t583, ptr %a585
+  store { ptr, i64, i64 } { ptr @.str.5373, i64 2, i64 0 }, ptr %a586
+  call void @finch_str_concat(ptr %a584, ptr %a585, ptr %a586)
+  store { ptr, i64, i64 } %t583, ptr %a587
+  call void @finch_str_drop(ptr %a587)
+  %t588 = load { ptr, i64, i64 }, ptr %a584
+  %t589 = load ptr, ptr %a1
+  %t590 = load %S.ast.Type, ptr %a308
+  %t591 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t589, %S.ast.Type %t590)
+  store { ptr, i64, i64 } %t588, ptr %a593
+  store { ptr, i64, i64 } %t591, ptr %a594
+  call void @finch_str_concat(ptr %a592, ptr %a593, ptr %a594)
+  store { ptr, i64, i64 } %t588, ptr %a595
+  call void @finch_str_drop(ptr %a595)
+  store { ptr, i64, i64 } %t591, ptr %a596
+  call void @finch_str_drop(ptr %a596)
+  %t597 = load { ptr, i64, i64 }, ptr %a592
+  store { ptr, i64, i64 } %t597, ptr %a599
+  store { ptr, i64, i64 } { ptr @.str.5374, i64 1, i64 0 }, ptr %a600
+  call void @finch_str_concat(ptr %a598, ptr %a599, ptr %a600)
+  store { ptr, i64, i64 } %t597, ptr %a601
+  call void @finch_str_drop(ptr %a601)
+  %t602 = load { ptr, i64, i64 }, ptr %a598
+  %t603 = load { ptr, i64, i64 }, ptr %a553
+  store { ptr, i64, i64 } %t602, ptr %a605
+  store { ptr, i64, i64 } %t603, ptr %a606
+  call void @finch_str_concat(ptr %a604, ptr %a605, ptr %a606)
+  store { ptr, i64, i64 } %t602, ptr %a607
+  call void @finch_str_drop(ptr %a607)
+  %t608 = load { ptr, i64, i64 }, ptr %a604
+  store { ptr, i64, i64 } %t608, ptr %a610
+  store { ptr, i64, i64 } { ptr @.str.5375, i64 2, i64 0 }, ptr %a611
+  call void @finch_str_concat(ptr %a609, ptr %a610, ptr %a611)
+  store { ptr, i64, i64 } %t608, ptr %a612
+  call void @finch_str_drop(ptr %a612)
+  %t613 = load { ptr, i64, i64 }, ptr %a609
+  %t614 = getelementptr inbounds %S.gen.StructDef, ptr %a19, i32 0, i32 3
+  %t615 = load i64, ptr %a294
+  %t616 = load { ptr, i64, i64 }, ptr %t614
+  %t617 = extractvalue { ptr, i64, i64 } %t616, 1
+  %t618 = icmp uge i64 %t615, %t617
+  br i1 %t618, label %range8223, label %inrange8224
+range8223:
+  call void @finch_panic_index(ptr @.str.5376, i64 4981, i64 %t615, i64 %t617)
+  unreachable
+inrange8224:
+  %t619 = extractvalue { ptr, i64, i64 } %t616, 0
+  %t620 = getelementptr inbounds i64, ptr %t619, i64 %t615
+  %t621 = load i64, ptr %t620
+  call void @finch_str_from_int(ptr %a622, i64 %t621)
+  %t623 = load { ptr, i64, i64 }, ptr %a622
+  store { ptr, i64, i64 } %t613, ptr %a625
+  store { ptr, i64, i64 } %t623, ptr %a626
+  call void @finch_str_concat(ptr %a624, ptr %a625, ptr %a626)
+  store { ptr, i64, i64 } %t613, ptr %a627
+  call void @finch_str_drop(ptr %a627)
+  store { ptr, i64, i64 } %t623, ptr %a628
+  call void @finch_str_drop(ptr %a628)
+  %t629 = load { ptr, i64, i64 }, ptr %a624
+  %t630 = call { ptr, i64, i64 } @finch.gen.op(ptr %t567, { ptr, i64, i64 } %t629)
+  store { ptr, i64, i64 } %t629, ptr %a631
+  call void @finch_str_drop(ptr %a631)
+  %t632 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t630, ptr %a284
+  store { ptr, i64, i64 } %t632, ptr %a633
+  call void @finch_str_drop(ptr %a633)
+  call void @finch_str_drop(ptr %a553)
+  call void @finch.drop.S_gen_Val(ptr %a309)
+  call void @finch.drop.S_ast_Type(ptr %a308)
+  br label %for.step8161
+for.step8161:
+  %t634 = load i64, ptr %a294
+  %t635 = add i64 %t634, 1
+  store i64 %t635, ptr %a294
+  br label %for.cond8159
+for.end8162:
+  %t636 = load ptr, ptr %a1
+  %t637 = load i64, ptr %a290
+  call void @finch.gen.heldEnd(ptr %t636, i64 %t637)
+  %t638 = load { ptr, i64, i64 }, ptr %a284
+  store { ptr, i64, i64 } %t638, ptr %a639
+  call void @finch_str_copy(ptr %a640, ptr %a639)
+  %t641 = load { ptr, i64, i64 }, ptr %a640
+  %t642 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t641, 0
+  %t643 = load %S.ast.Type, ptr %a61
+  store %S.ast.Type %t643, ptr %a644
+  call void @finch.copy.S_ast_Type(ptr %a645, ptr %a644)
+  %t646 = load %S.ast.Type, ptr %a645
+  %t647 = insertvalue %S.gen.Val %t642, %S.ast.Type %t646, 1
+  %t648 = load ptr, ptr %a1
+  %t649 = load %S.ast.Type, ptr %a61
+  %t650 = call i1 @finch.gen.owning(ptr %t648, %S.ast.Type %t649)
+  %t651 = insertvalue %S.gen.Val %t647, i1 %t650, 2
+  call void @finch_str_drop(ptr %a284)
+  call void @finch.drop.arr_int(ptr %a79)
+  call void @finch_str_drop(ptr %a65)
+  call void @finch.drop.S_ast_Type(ptr %a61)
+  call void @finch.drop.S_ast_Node(ptr %a20)
+  call void @finch.drop.S_gen_StructDef(ptr %a19)
+  ret %S.gen.Val %t651
 }
 
 define internal void @finch.gen.noteMethod(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2) {
@@ -70532,23 +83872,24 @@ entry:
   %a2 = alloca %S.ast.Node, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca %S.docs.Doc, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic7821, label %ok7822
-panic7821:
-  call void @finch_panic(ptr @.str.5191, i64 4637, ptr @.str.5192)
+  br i1 %t5, label %panic8225, label %ok8226
+panic8225:
+  call void @finch_panic(ptr @.str.5377, i64 4991, ptr @.str.5378)
   unreachable
-ok7822:
-  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 26
+ok8226:
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %t4, i32 0, i32 27
   %t7 = load i1, ptr %t6
   %t8 = xor i1 %t7, true
-  br i1 %t8, label %then7823, label %endif7825
-then7823:
+  br i1 %t8, label %then8227, label %endif8229
+then8227:
   ret void
-endif7825:
+endif8229:
   %t9 = load { ptr, i64, i64 }, ptr %a3
   %t10 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
   %t11 = load { ptr, i64, i64 }, ptr %t10
@@ -70558,8 +83899,8 @@ endif7825:
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp sgt i64 %t16, 0
-  br i1 %t17, label %then7826, label %endif7828
-then7826:
+  br i1 %t17, label %then8230, label %endif8232
+then8230:
   %t18 = load ptr, ptr %a1
   %t19 = load %S.ast.Node, ptr %a2
   %t20 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 12
@@ -70570,9 +83911,12 @@ then7826:
   %t25 = load i64, ptr %t24
   %t26 = load %S.docs.Doc, ptr %a13
   %t27 = call { ptr, i64, i64 } @finch.docs.hover(%S.docs.Doc %t26)
-  call void @finch.gen.noteRef(ptr %t18, %S.ast.Node %t19, i64 %t22, i64 %t25, { ptr, i64, i64 } %t27, { ptr, i64, i64 } { ptr @.str.5193, i64 0, i64 0 }, i64 0, i64 0)
-  br label %endif7828
-endif7828:
+  call void @finch.gen.noteRef(ptr %t18, %S.ast.Node %t19, i64 %t22, i64 %t25, { ptr, i64, i64 } %t27, { ptr, i64, i64 } { ptr @.str.5379, i64 0, i64 0 }, i64 0, i64 0)
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  br label %endif8232
+endif8232:
+  call void @finch.drop.S_docs_Doc(ptr %a13)
   ret void
 }
 
@@ -70594,228 +83938,300 @@ entry:
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
   %a54 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca i64, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca i64, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca i64, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca i64, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca i64, align 16
-  %a119 = alloca i64, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca i64, align 16
-  %a138 = alloca %S.ast.Node, align 16
-  %a139 = alloca %S.ast.Node, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca i64, align 16
+  %a127 = alloca i64, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca i64, align 16
+  %a146 = alloca %S.ast.Node, align 16
+  %a147 = alloca %S.ast.Node, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca i64, align 16
-  %a197 = alloca i64, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca %S.gen.Ref, align 16
-  %a214 = alloca %S.ast.Type, align 16
-  %a215 = alloca %S.ast.Type, align 16
-  %a217 = alloca %S.ast.Type, align 16
-  %a223 = alloca %S.ast.Type, align 16
-  %a224 = alloca %S.ast.Type, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca i64, align 16
-  %a247 = alloca i64, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca i64, align 16
+  %a209 = alloca i64, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca %S.gen.Ref, align 16
+  %a228 = alloca i64, align 16
+  %a232 = alloca %S.ast.Type, align 16
+  %a233 = alloca %S.ast.Type, align 16
+  %a235 = alloca %S.ast.Type, align 16
+  %a241 = alloca %S.ast.Type, align 16
+  %a242 = alloca %S.ast.Type, align 16
+  %a245 = alloca %S.ast.Type, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca %S.gen.Val, align 16
-  %a288 = alloca %S.gen.Val, align 16
-  %a290 = alloca %S.gen.Val, align 16
-  %a300 = alloca %S.ast.Type, align 16
-  %a301 = alloca %S.ast.Type, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a331 = alloca i64, align 16
-  %a334 = alloca i64, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca %S.ast.Type, align 16
-  %a368 = alloca %S.ast.Type, align 16
-  %a370 = alloca %S.ast.Type, align 16
-  %a371 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
-  %a375 = alloca { ptr, i64, i64 }, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca i64, align 16
+  %a269 = alloca i64, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca %S.gen.Val, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca %S.gen.Val, align 16
+  %a334 = alloca %S.gen.Val, align 16
+  %a336 = alloca %S.gen.Val, align 16
+  %a346 = alloca %S.ast.Type, align 16
+  %a347 = alloca %S.ast.Type, align 16
+  %a351 = alloca %S.gen.Val, align 16
+  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca %S.gen.Val, align 16
+  %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca i64, align 16
+  %a400 = alloca i64, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
   %a417 = alloca { ptr, i64, i64 }, align 16
   %a418 = alloca { ptr, i64, i64 }, align 16
-  %a419 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
   %a426 = alloca { ptr, i64, i64 }, align 16
-  %a428 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca %S.ast.Type, align 16
-  %a441 = alloca %S.ast.Type, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a465 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a481 = alloca { ptr, i64, i64 }, align 16
-  %a493 = alloca i64, align 16
-  %a498 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca { ptr, i64, i64 }, align 16
-  %a509 = alloca i64, align 16
-  %a540 = alloca i64, align 16
-  %a561 = alloca { ptr, i64, i64 }, align 16
-  %a565 = alloca i64, align 16
-  %a573 = alloca %S.gen.FnSig, align 16
-  %a578 = alloca { ptr, i64, i64 }, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a442 = alloca %S.gen.Val, align 16
+  %a459 = alloca %S.ast.Type, align 16
+  %a460 = alloca %S.ast.Type, align 16
+  %a462 = alloca %S.ast.Type, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca i1, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
+  %a515 = alloca { ptr, i64, i64 }, align 16
+  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca { ptr, i64, i64 }, align 16
+  %a522 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a525 = alloca { ptr, i64, i64 }, align 16
+  %a526 = alloca { ptr, i64, i64 }, align 16
+  %a527 = alloca { ptr, i64, i64 }, align 16
+  %a528 = alloca { ptr, i64, i64 }, align 16
+  %a531 = alloca { ptr, i64, i64 }, align 16
+  %a532 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca %S.ast.Type, align 16
+  %a541 = alloca %S.ast.Type, align 16
+  %a544 = alloca %S.ast.Type, align 16
+  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a547 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a569 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a573 = alloca { ptr, i64, i64 }, align 16
   %a579 = alloca { ptr, i64, i64 }, align 16
-  %a586 = alloca { ptr, i64, i64 }, align 16
-  %a587 = alloca { ptr, i64, i64 }, align 16
-  %a594 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a610 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a614 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca { ptr, i64, i64 }, align 16
-  %a616 = alloca { ptr, i64, i64 }, align 16
-  %a620 = alloca { ptr, i64, i64 }, align 16
-  %a621 = alloca { ptr, i64, i64 }, align 16
-  %a622 = alloca { ptr, i64, i64 }, align 16
-  %a624 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
-  %a626 = alloca { ptr, i64, i64 }, align 16
-  %a630 = alloca { ptr, i64, i64 }, align 16
-  %a631 = alloca { ptr, i64, i64 }, align 16
-  %a632 = alloca { ptr, i64, i64 }, align 16
-  %a634 = alloca { ptr, i64, i64 }, align 16
-  %a635 = alloca { ptr, i64, i64 }, align 16
-  %a636 = alloca { ptr, i64, i64 }, align 16
-  %a640 = alloca { ptr, i64, i64 }, align 16
-  %a641 = alloca { ptr, i64, i64 }, align 16
-  %a642 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a652 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
-  %a656 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
-  %a662 = alloca { ptr, i64, i64 }, align 16
-  %a663 = alloca { ptr, i64, i64 }, align 16
-  %a664 = alloca { ptr, i64, i64 }, align 16
-  %a666 = alloca { ptr, i64, i64 }, align 16
-  %a667 = alloca { ptr, i64, i64 }, align 16
-  %a668 = alloca { ptr, i64, i64 }, align 16
-  %a672 = alloca { ptr, i64, i64 }, align 16
-  %a673 = alloca { ptr, i64, i64 }, align 16
-  %a674 = alloca { ptr, i64, i64 }, align 16
-  %a676 = alloca { ptr, i64, i64 }, align 16
-  %a677 = alloca { ptr, i64, i64 }, align 16
-  %a678 = alloca { ptr, i64, i64 }, align 16
-  %a681 = alloca { ptr, i64, i64 }, align 16
-  %a682 = alloca { ptr, i64, i64 }, align 16
-  %a684 = alloca { ptr, i64, i64 }, align 16
-  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a589 = alloca { ptr, i64, i64 }, align 16
+  %a601 = alloca i64, align 16
+  %a606 = alloca { ptr, i64, i64 }, align 16
+  %a607 = alloca { ptr, i64, i64 }, align 16
+  %a617 = alloca i64, align 16
+  %a648 = alloca i64, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
+  %a673 = alloca i64, align 16
+  %a681 = alloca %S.gen.FnSig, align 16
   %a686 = alloca { ptr, i64, i64 }, align 16
-  %a688 = alloca { ptr, i64, i64 }, align 16
-  %a689 = alloca { ptr, i64, i64 }, align 16
-  %a690 = alloca { ptr, i64, i64 }, align 16
-  %a705 = alloca { ptr, i64, i64 }, align 16
-  %a706 = alloca { ptr, i64, i64 }, align 16
-  %a711 = alloca { ptr, i64, i64 }, align 16
-  %a712 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a703 = alloca { ptr, i64, i64 }, align 16
+  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
   %a724 = alloca { ptr, i64, i64 }, align 16
   %a725 = alloca { ptr, i64, i64 }, align 16
-  %a726 = alloca { ptr, i64, i64 }, align 16
+  %a729 = alloca { ptr, i64, i64 }, align 16
   %a730 = alloca { ptr, i64, i64 }, align 16
   %a731 = alloca { ptr, i64, i64 }, align 16
   %a732 = alloca { ptr, i64, i64 }, align 16
-  %a734 = alloca { ptr, i64, i64 }, align 16
+  %a733 = alloca { ptr, i64, i64 }, align 16
   %a735 = alloca { ptr, i64, i64 }, align 16
   %a736 = alloca { ptr, i64, i64 }, align 16
-  %a740 = alloca { ptr, i64, i64 }, align 16
-  %a747 = alloca i64, align 16
-  %a758 = alloca { ptr, i64, i64 }, align 16
+  %a737 = alloca { ptr, i64, i64 }, align 16
+  %a738 = alloca { ptr, i64, i64 }, align 16
+  %a742 = alloca { ptr, i64, i64 }, align 16
+  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
+  %a745 = alloca { ptr, i64, i64 }, align 16
+  %a747 = alloca { ptr, i64, i64 }, align 16
+  %a748 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
+  %a750 = alloca { ptr, i64, i64 }, align 16
+  %a754 = alloca { ptr, i64, i64 }, align 16
+  %a755 = alloca { ptr, i64, i64 }, align 16
+  %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
   %a759 = alloca { ptr, i64, i64 }, align 16
   %a760 = alloca { ptr, i64, i64 }, align 16
+  %a761 = alloca { ptr, i64, i64 }, align 16
   %a762 = alloca { ptr, i64, i64 }, align 16
-  %a763 = alloca { ptr, i64, i64 }, align 16
   %a764 = alloca { ptr, i64, i64 }, align 16
+  %a769 = alloca { ptr, i64, i64 }, align 16
+  %a770 = alloca { ptr, i64, i64 }, align 16
   %a771 = alloca { ptr, i64, i64 }, align 16
-  %a772 = alloca { ptr, i64, i64 }, align 16
   %a773 = alloca { ptr, i64, i64 }, align 16
-  %a777 = alloca { ptr, i64, i64 }, align 16
-  %a778 = alloca { ptr, i64, i64 }, align 16
-  %a779 = alloca { ptr, i64, i64 }, align 16
+  %a774 = alloca { ptr, i64, i64 }, align 16
+  %a775 = alloca { ptr, i64, i64 }, align 16
+  %a776 = alloca { ptr, i64, i64 }, align 16
+  %a780 = alloca { ptr, i64, i64 }, align 16
+  %a781 = alloca { ptr, i64, i64 }, align 16
+  %a782 = alloca { ptr, i64, i64 }, align 16
+  %a783 = alloca { ptr, i64, i64 }, align 16
+  %a784 = alloca { ptr, i64, i64 }, align 16
+  %a786 = alloca { ptr, i64, i64 }, align 16
+  %a787 = alloca { ptr, i64, i64 }, align 16
+  %a788 = alloca { ptr, i64, i64 }, align 16
   %a789 = alloca { ptr, i64, i64 }, align 16
-  %a790 = alloca { ptr, i64, i64 }, align 16
-  %a791 = alloca { ptr, i64, i64 }, align 16
+  %a793 = alloca { ptr, i64, i64 }, align 16
+  %a794 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a796 = alloca { ptr, i64, i64 }, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a799 = alloca { ptr, i64, i64 }, align 16
+  %a800 = alloca { ptr, i64, i64 }, align 16
+  %a801 = alloca { ptr, i64, i64 }, align 16
+  %a804 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a807 = alloca { ptr, i64, i64 }, align 16
+  %a808 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a810 = alloca { ptr, i64, i64 }, align 16
+  %a811 = alloca { ptr, i64, i64 }, align 16
+  %a813 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
+  %a816 = alloca { ptr, i64, i64 }, align 16
+  %a818 = alloca { ptr, i64, i64 }, align 16
+  %a832 = alloca { ptr, i64, i64 }, align 16
+  %a833 = alloca { ptr, i64, i64 }, align 16
+  %a838 = alloca { ptr, i64, i64 }, align 16
+  %a839 = alloca { ptr, i64, i64 }, align 16
+  %a851 = alloca { ptr, i64, i64 }, align 16
+  %a852 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca { ptr, i64, i64 }, align 16
+  %a857 = alloca { ptr, i64, i64 }, align 16
+  %a858 = alloca { ptr, i64, i64 }, align 16
+  %a859 = alloca { ptr, i64, i64 }, align 16
+  %a860 = alloca { ptr, i64, i64 }, align 16
+  %a861 = alloca { ptr, i64, i64 }, align 16
+  %a863 = alloca { ptr, i64, i64 }, align 16
+  %a864 = alloca { ptr, i64, i64 }, align 16
+  %a865 = alloca { ptr, i64, i64 }, align 16
+  %a866 = alloca { ptr, i64, i64 }, align 16
+  %a868 = alloca { ptr, i64, i64 }, align 16
+  %a871 = alloca { ptr, i64, i64 }, align 16
+  %a878 = alloca i64, align 16
+  %a885 = alloca %S.gen.Var, align 16
+  %a890 = alloca { ptr, i64, i64 }, align 16
+  %a891 = alloca { ptr, i64, i64 }, align 16
+  %a892 = alloca { ptr, i64, i64 }, align 16
+  %a894 = alloca { ptr, i64, i64 }, align 16
+  %a895 = alloca { ptr, i64, i64 }, align 16
+  %a896 = alloca { ptr, i64, i64 }, align 16
+  %a897 = alloca { ptr, i64, i64 }, align 16
+  %a899 = alloca { ptr, i64, i64 }, align 16
+  %a913 = alloca { ptr, i64, i64 }, align 16
+  %a914 = alloca { ptr, i64, i64 }, align 16
+  %a915 = alloca { ptr, i64, i64 }, align 16
+  %a916 = alloca { ptr, i64, i64 }, align 16
+  %a920 = alloca { ptr, i64, i64 }, align 16
+  %a921 = alloca { ptr, i64, i64 }, align 16
+  %a922 = alloca { ptr, i64, i64 }, align 16
+  %a923 = alloca { ptr, i64, i64 }, align 16
+  %a929 = alloca { ptr, i64, i64 }, align 16
+  %a930 = alloca { ptr, i64, i64 }, align 16
+  %a931 = alloca %S.gen.Val, align 16
+  %a951 = alloca { ptr, i64, i64 }, align 16
+  %a952 = alloca { ptr, i64, i64 }, align 16
+  %a953 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a956 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   %t3 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t4 = load { ptr, i64, i64 }, ptr %t3
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 0, %t5
-  br i1 %t6, label %range7829, label %inrange7830
-range7829:
-  call void @finch_panic_index(ptr @.str.5194, i64 4647, i64 0, i64 %t5)
+  br i1 %t6, label %range8233, label %inrange8234
+range8233:
+  call void @finch_panic_index(ptr @.str.5380, i64 5001, i64 0, i64 %t5)
   unreachable
-inrange7830:
+inrange8234:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds %S.ast.Node, ptr %t7, i64 0
   %t9 = load %S.ast.Node, ptr %t8
@@ -70826,25 +84242,25 @@ inrange7830:
   %t14 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 0
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.5195, i64 3, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.5381, i64 3, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br label %logic.from7831
-logic.from7831:
-  br i1 %t19, label %logic.rhs7832, label %logic.end7833
-logic.rhs7832:
+  br label %logic.from8235
+logic.from8235:
+  br i1 %t19, label %logic.rhs8236, label %logic.end8237
+logic.rhs8236:
   %t20 = load ptr, ptr %a1
   %t21 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 1
   %t22 = load { ptr, i64, i64 }, ptr %t21
   %t23 = call i64 @finch.gen.lookup(ptr %t20, { ptr, i64, i64 } %t22)
   %t24 = icmp slt i64 %t23, 0
-  br label %logic.rend7834
-logic.rend7834:
-  br label %logic.end7833
-logic.end7833:
-  %t25 = phi i1 [ false, %logic.from7831 ], [ %t24, %logic.rend7834 ]
-  br i1 %t25, label %then7835, label %endif7837
-then7835:
+  br label %logic.rend8238
+logic.rend8238:
+  br label %logic.end8237
+logic.end8237:
+  %t25 = phi i1 [ false, %logic.from8235 ], [ %t24, %logic.rend8238 ]
+  br i1 %t25, label %then8239, label %endif8241
+then8239:
   %t26 = getelementptr inbounds %S.ast.Node, ptr %a13, i32 0, i32 1
   %t27 = load { ptr, i64, i64 }, ptr %t26
   store { ptr, i64, i64 } %t27, ptr %a28
@@ -70855,1114 +84271,1475 @@ then7835:
   %t33 = load { ptr, i64, i64 }, ptr %a31
   %t34 = call i1 @finch.gen.imports(ptr %t32, { ptr, i64, i64 } %t33)
   %t35 = xor i1 %t34, true
-  br i1 %t35, label %then7838, label %endif7840
-then7838:
+  br i1 %t35, label %then8242, label %endif8244
+then8242:
   %t36 = load ptr, ptr %a1
   %t37 = load %S.ast.Node, ptr %a13
   %t38 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.5196, i64 38, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.5382, i64 38, i64 0 }, ptr %a40
   store { ptr, i64, i64 } %t38, ptr %a41
   call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
   %t42 = load { ptr, i64, i64 }, ptr %a39
   store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.5197, i64 32, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.5383, i64 32, i64 0 }, ptr %a45
   call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  %t47 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t46, ptr %a49
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = load { ptr, i64, i64 }, ptr %a31
   store { ptr, i64, i64 } %t47, ptr %a50
-  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
-  %t51 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t51, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.5198, i64 13, i64 0 }, ptr %a54
-  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
-  %t55 = load { ptr, i64, i64 }, ptr %a52
-  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } %t55)
-  br label %endif7840
-endif7840:
-  %t56 = load ptr, ptr %a1
-  %t57 = load { ptr, i64, i64 }, ptr %a31
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = call i64 @finch.gen.findFn(ptr %t56, { ptr, i64, i64 } %t57, { ptr, i64, i64 } %t59)
-  store i64 %t60, ptr %a61
-  %t62 = load i64, ptr %a61
-  %t63 = icmp sge i64 %t62, 0
-  br i1 %t63, label %then7841, label %endif7843
-then7841:
-  %t64 = load ptr, ptr %a1
-  %t65 = load i64, ptr %a61
-  %t66 = load %S.ast.Node, ptr %a2
-  %t67 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.5199, i64 1, i64 0 }, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t71, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  %t78 = call %S.gen.Val @finch.gen.callFn(ptr %t64, i64 %t65, %S.ast.Node %t66, i64 1, { ptr, i64, i64 } %t77, { ptr, i64, i64 } { ptr @.str.5200, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5201, i64 0, i64 0 })
-  ret %S.gen.Val %t78
-endif7843:
-  %t79 = load ptr, ptr %a1
-  %t80 = load { ptr, i64, i64 }, ptr %a31
-  %t81 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  %t83 = call i64 @finch.gen.findTemplate(ptr %t79, { ptr, i64, i64 } %t80, { ptr, i64, i64 } %t82, { ptr, i64, i64 } { ptr @.str.5202, i64 0, i64 0 }, i1 false)
-  store i64 %t83, ptr %a84
-  %t85 = load i64, ptr %a84
-  %t86 = icmp sge i64 %t85, 0
-  br i1 %t86, label %then7844, label %endif7846
-then7844:
-  %t87 = load ptr, ptr %a1
-  %t88 = load %S.ast.Node, ptr %a2
-  %t89 = load i64, ptr %a84
-  %t90 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t90, ptr %a92
-  store { ptr, i64, i64 } { ptr @.str.5203, i64 1, i64 0 }, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  %t95 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t96 = load { ptr, i64, i64 }, ptr %t95
-  store { ptr, i64, i64 } %t94, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t47, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t53, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.5384, i64 13, i64 0 }, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  call void @finch.gen.fail(ptr %t36, %S.ast.Node %t37, { ptr, i64, i64 } %t58)
+  store { ptr, i64, i64 } %t58, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  br label %endif8244
+endif8244:
+  %t60 = load ptr, ptr %a1
+  %t61 = load { ptr, i64, i64 }, ptr %a31
+  %t62 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t63 = load { ptr, i64, i64 }, ptr %t62
+  %t64 = call i64 @finch.gen.findFn(ptr %t60, { ptr, i64, i64 } %t61, { ptr, i64, i64 } %t63)
+  store i64 %t64, ptr %a65
+  %t66 = load i64, ptr %a65
+  %t67 = icmp sge i64 %t66, 0
+  br i1 %t67, label %then8245, label %endif8247
+then8245:
+  %t68 = load ptr, ptr %a1
+  %t69 = load i64, ptr %a65
+  %t70 = load %S.ast.Node, ptr %a2
+  %t71 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.5385, i64 1, i64 0 }, ptr %a74
+  call void @finch_str_concat(ptr %a72, ptr %a73, ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a72
+  %t76 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t77 = load { ptr, i64, i64 }, ptr %t76
+  store { ptr, i64, i64 } %t75, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
+  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
+  store { ptr, i64, i64 } %t75, ptr %a81
+  call void @finch_str_drop(ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a78
+  %t83 = call %S.gen.Val @finch.gen.callFn(ptr %t68, i64 %t69, %S.ast.Node %t70, i64 1, { ptr, i64, i64 } %t82, { ptr, i64, i64 } { ptr @.str.5386, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5387, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t82, ptr %a84
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t83
+endif8247:
+  %t85 = load ptr, ptr %a1
+  %t86 = load { ptr, i64, i64 }, ptr %a31
+  %t87 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t88 = load { ptr, i64, i64 }, ptr %t87
+  %t89 = call i64 @finch.gen.findTemplate(ptr %t85, { ptr, i64, i64 } %t86, { ptr, i64, i64 } %t88, { ptr, i64, i64 } { ptr @.str.5388, i64 0, i64 0 }, i1 false)
+  store i64 %t89, ptr %a90
+  %t91 = load i64, ptr %a90
+  %t92 = icmp sge i64 %t91, 0
+  br i1 %t92, label %then8248, label %endif8250
+then8248:
+  %t93 = load ptr, ptr %a1
+  %t94 = load %S.ast.Node, ptr %a2
+  %t95 = load i64, ptr %a90
+  %t96 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t96, ptr %a98
+  store { ptr, i64, i64 } { ptr @.str.5389, i64 1, i64 0 }, ptr %a99
   call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
   %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = call %S.gen.Val @finch.gen.genericCall(ptr %t87, %S.ast.Node %t88, i64 %t89, i64 1, { ptr, i64, i64 } %t100)
-  ret %S.gen.Val %t101
-endif7846:
-  %t102 = load ptr, ptr %a1
-  %t103 = load { ptr, i64, i64 }, ptr %a31
-  %t104 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t105 = load { ptr, i64, i64 }, ptr %t104
-  %t106 = call i64 @finch.gen.findEnum(ptr %t102, { ptr, i64, i64 } %t103, { ptr, i64, i64 } %t105)
-  store i64 %t106, ptr %a107
-  %t108 = load i64, ptr %a107
-  %t109 = icmp sge i64 %t108, 0
-  br i1 %t109, label %then7847, label %endif7849
-then7847:
+  %t101 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  store { ptr, i64, i64 } %t100, ptr %a104
+  store { ptr, i64, i64 } %t102, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t100, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  %t108 = call %S.gen.Val @finch.gen.genericCall(ptr %t93, %S.ast.Node %t94, i64 %t95, i64 1, { ptr, i64, i64 } %t107)
+  store { ptr, i64, i64 } %t107, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t108
+endif8250:
   %t110 = load ptr, ptr %a1
-  %t111 = load %S.ast.Node, ptr %a2
-  %t112 = load i64, ptr %a107
-  %t113 = call %S.gen.Val @finch.gen.enumFrom(ptr %t110, %S.ast.Node %t111, i64 %t112)
-  ret %S.gen.Val %t113
-endif7849:
-  %t114 = load ptr, ptr %a1
-  %t115 = load { ptr, i64, i64 }, ptr %a31
-  %t116 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t117 = load { ptr, i64, i64 }, ptr %t116
-  %t118 = call i64 @finch.gen.findStruct(ptr %t114, { ptr, i64, i64 } %t115, { ptr, i64, i64 } %t117)
-  store i64 %t118, ptr %a119
-  %t120 = load i64, ptr %a119
-  %t121 = icmp sge i64 %t120, 0
-  br i1 %t121, label %then7850, label %endif7852
-then7850:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a122
-  %t123 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i32 0, i32 1
-  %t125 = load i64, ptr %t124
-  store i64 1, ptr %a126
-  br label %for.cond7853
-for.cond7853:
-  %t127 = load i64, ptr %a126
-  %t128 = icmp slt i64 %t127, %t125
-  br i1 %t128, label %for.body7854, label %for.end7856
-for.body7854:
-  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %a122, i32 0, i32 1
-  %t130 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t131 = load i64, ptr %a126
-  %t132 = load { ptr, i64, i64 }, ptr %t130
-  %t133 = extractvalue { ptr, i64, i64 } %t132, 1
-  %t134 = icmp uge i64 %t131, %t133
-  br i1 %t134, label %range7857, label %inrange7858
-range7857:
-  call void @finch_panic_index(ptr @.str.5204, i64 4669, i64 %t131, i64 %t133)
+  %t111 = load { ptr, i64, i64 }, ptr %a31
+  %t112 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t113 = load { ptr, i64, i64 }, ptr %t112
+  %t114 = call i64 @finch.gen.findEnum(ptr %t110, { ptr, i64, i64 } %t111, { ptr, i64, i64 } %t113)
+  store i64 %t114, ptr %a115
+  %t116 = load i64, ptr %a115
+  %t117 = icmp sge i64 %t116, 0
+  br i1 %t117, label %then8251, label %endif8253
+then8251:
+  %t118 = load ptr, ptr %a1
+  %t119 = load %S.ast.Node, ptr %a2
+  %t120 = load i64, ptr %a115
+  %t121 = call %S.gen.Val @finch.gen.enumFrom(ptr %t118, %S.ast.Node %t119, i64 %t120)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t121
+endif8253:
+  %t122 = load ptr, ptr %a1
+  %t123 = load { ptr, i64, i64 }, ptr %a31
+  %t124 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t125 = load { ptr, i64, i64 }, ptr %t124
+  %t126 = call i64 @finch.gen.findStruct(ptr %t122, { ptr, i64, i64 } %t123, { ptr, i64, i64 } %t125)
+  store i64 %t126, ptr %a127
+  %t128 = load i64, ptr %a127
+  %t129 = icmp sge i64 %t128, 0
+  br i1 %t129, label %then8254, label %endif8256
+then8254:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a130
+  %t131 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t132 = getelementptr inbounds { ptr, i64, i64 }, ptr %t131, i32 0, i32 1
+  %t133 = load i64, ptr %t132
+  store i64 1, ptr %a134
+  br label %for.cond8257
+for.cond8257:
+  %t135 = load i64, ptr %a134
+  %t136 = icmp slt i64 %t135, %t133
+  br i1 %t136, label %for.body8258, label %for.end8260
+for.body8258:
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %a130, i32 0, i32 1
+  %t138 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t139 = load i64, ptr %a134
+  %t140 = load { ptr, i64, i64 }, ptr %t138
+  %t141 = extractvalue { ptr, i64, i64 } %t140, 1
+  %t142 = icmp uge i64 %t139, %t141
+  br i1 %t142, label %range8261, label %inrange8262
+range8261:
+  call void @finch_panic_index(ptr @.str.5390, i64 5023, i64 %t139, i64 %t141)
   unreachable
-inrange7858:
-  %t135 = extractvalue { ptr, i64, i64 } %t132, 0
-  %t136 = getelementptr inbounds %S.ast.Node, ptr %t135, i64 %t131
-  %t137 = load %S.ast.Node, ptr %t136
-  store %S.ast.Node %t137, ptr %a138
-  call void @finch.copy.S_ast_Node(ptr %a139, ptr %a138)
-  %t140 = load %S.ast.Node, ptr %a139
-  %t141 = load i64, ptr %t129
-  %t142 = add i64 %t141, 1
-  call void @finch_arr_reserve(ptr %a122, i64 %t142, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
-  %t143 = load ptr, ptr %a122
-  %t144 = getelementptr inbounds %S.ast.Node, ptr %t143, i64 %t141
-  store %S.ast.Node %t140, ptr %t144
-  store i64 %t142, ptr %t129
-  br label %for.step7855
-for.step7855:
-  %t145 = load i64, ptr %a126
-  %t146 = add i64 %t145, 1
-  store i64 %t146, ptr %a126
-  br label %for.cond7853
-for.end7856:
-  %t147 = load ptr, ptr %a1
-  %t148 = load i64, ptr %a119
-  %t149 = load { ptr, i64, i64 }, ptr %a122
-  %t150 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
-  %t151 = load { ptr, i64, i64 }, ptr %t150
-  %t152 = load %S.ast.Node, ptr %a2
-  %t153 = call %S.gen.Val @finch.gen.construct(ptr %t147, i64 %t148, { ptr, i64, i64 } %t149, { ptr, i64, i64 } %t151, %S.ast.Node %t152)
-  ret %S.gen.Val %t153
-endif7852:
-  %t154 = load ptr, ptr %a1
-  %t155 = load %S.ast.Node, ptr %a2
-  %t156 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.5205, i64 12, i64 0 }, ptr %a158
-  store { ptr, i64, i64 } %t156, ptr %a159
-  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
-  %t160 = load { ptr, i64, i64 }, ptr %a157
-  store { ptr, i64, i64 } %t160, ptr %a162
-  store { ptr, i64, i64 } { ptr @.str.5206, i64 35, i64 0 }, ptr %a163
-  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
-  %t164 = load { ptr, i64, i64 }, ptr %a161
-  %t165 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t166 = load { ptr, i64, i64 }, ptr %t165
-  store { ptr, i64, i64 } %t164, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.5207, i64 1, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  call void @finch.gen.fail(ptr %t154, %S.ast.Node %t155, { ptr, i64, i64 } %t174)
-  br label %endif7837
-endif7837:
-  %t175 = mul i64 8, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
-  %t176 = call ptr @finch_alloc(i64 %t175)
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5208, i64 4, i64 0 }, ptr %t177
-  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5209, i64 3, i64 0 }, ptr %t178
-  %t179 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5210, i64 6, i64 0 }, ptr %t179
-  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5211, i64 6, i64 0 }, ptr %t180
-  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5212, i64 5, i64 0 }, ptr %t181
-  %t182 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5213, i64 6, i64 0 }, ptr %t182
-  %t183 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5214, i64 4, i64 0 }, ptr %t183
-  %t184 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5215, i64 7, i64 0 }, ptr %t184
-  %t185 = insertvalue { ptr, i64, i64 } undef, ptr %t176, 0
-  %t186 = insertvalue { ptr, i64, i64 } %t185, i64 8, 1
-  %t187 = insertvalue { ptr, i64, i64 } %t186, i64 8, 2
-  store { ptr, i64, i64 } %t187, ptr %a188
-  %t189 = load ptr, ptr %a1
-  %t190 = load %S.ast.Node, ptr %a13
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %a188, i32 0, i32 1
-  %t192 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t193 = load { ptr, i64, i64 }, ptr %t192
-  store i64 -1, ptr %a194
-  %t195 = load i64, ptr %t191
-  %t196 = load ptr, ptr %a188
-  store i64 0, ptr %a197
-  br label %find.cond7859
-find.cond7859:
-  %t198 = load i64, ptr %a197
-  %t199 = icmp slt i64 %t198, %t195
-  br i1 %t199, label %find.body7860, label %find.end7863
-find.body7860:
-  %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t196, i64 %t198
-  %t201 = load { ptr, i64, i64 }, ptr %t200
-  store { ptr, i64, i64 } %t201, ptr %a202
-  store { ptr, i64, i64 } %t193, ptr %a203
-  %t204 = call i32 @finch_str_eq(ptr %a202, ptr %a203)
-  %t205 = icmp ne i32 %t204, 0
-  br i1 %t205, label %find.hit7861, label %find.next7862
-find.hit7861:
-  store i64 %t198, ptr %a194
-  br label %find.end7863
-find.next7862:
-  %t206 = add i64 %t198, 1
-  store i64 %t206, ptr %a197
-  br label %find.cond7859
-find.end7863:
-  %t207 = load i64, ptr %a194
-  %t208 = icmp sge i64 %t207, 0
-  %t209 = call %S.gen.Ref @finch.gen.ref(ptr %t189, %S.ast.Node %t190, i1 %t208)
-  store %S.gen.Ref %t209, ptr %a210
-  %t211 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t212 = getelementptr inbounds %S.gen.Val, ptr %t211, i32 0, i32 1
-  %t213 = load %S.ast.Type, ptr %t212
-  store %S.ast.Type %t213, ptr %a214
-  call void @finch.copy.S_ast_Type(ptr %a215, ptr %a214)
-  %t216 = load %S.ast.Type, ptr %a215
-  store %S.ast.Type %t216, ptr %a217
-  %t218 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t219 = load i1, ptr %t218
-  br i1 %t219, label %then7864, label %endif7866
-then7864:
-  %t220 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t221 = getelementptr inbounds %S.gen.Place, ptr %t220, i32 0, i32 1
-  %t222 = load %S.ast.Type, ptr %t221
-  store %S.ast.Type %t222, ptr %a223
-  call void @finch.copy.S_ast_Type(ptr %a224, ptr %a223)
-  %t225 = load %S.ast.Type, ptr %a224
-  store %S.ast.Type %t225, ptr %a217
-  br label %endif7866
-endif7866:
-  %t226 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t227 = load { ptr, i64, i64 }, ptr %t226
-  store { ptr, i64, i64 } %t227, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.5216, i64 5, i64 0 }, ptr %a229
-  %t230 = call i32 @finch_str_eq(ptr %a228, ptr %a229)
-  %t231 = icmp ne i32 %t230, 0
-  br i1 %t231, label %then7867, label %endif7869
-then7867:
-  store { ptr, i64, i64 } { ptr @.str.5217, i64 0, i64 0 }, ptr %a232
-  %t233 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t234 = load i1, ptr %t233
-  br i1 %t234, label %then7870, label %else7871
-then7870:
-  %t235 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t236 = getelementptr inbounds %S.gen.Place, ptr %t235, i32 0, i32 0
-  %t237 = load { ptr, i64, i64 }, ptr %t236
-  store { ptr, i64, i64 } %t237, ptr %a238
-  call void @finch_str_copy(ptr %a239, ptr %a238)
-  %t240 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t240, ptr %a232
-  br label %endif7872
-else7871:
-  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %a188, i32 0, i32 1
-  %t242 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t243 = load { ptr, i64, i64 }, ptr %t242
-  store i64 -1, ptr %a244
-  %t245 = load i64, ptr %t241
-  %t246 = load ptr, ptr %a188
-  store i64 0, ptr %a247
-  br label %find.cond7873
-find.cond7873:
-  %t248 = load i64, ptr %a247
-  %t249 = icmp slt i64 %t248, %t245
-  br i1 %t249, label %find.body7874, label %find.end7877
-find.body7874:
-  %t250 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i64 %t248
-  %t251 = load { ptr, i64, i64 }, ptr %t250
-  store { ptr, i64, i64 } %t251, ptr %a252
-  store { ptr, i64, i64 } %t243, ptr %a253
-  %t254 = call i32 @finch_str_eq(ptr %a252, ptr %a253)
-  %t255 = icmp ne i32 %t254, 0
-  br i1 %t255, label %find.hit7875, label %find.next7876
-find.hit7875:
-  store i64 %t248, ptr %a244
-  br label %find.end7877
-find.next7876:
-  %t256 = add i64 %t248, 1
-  store i64 %t256, ptr %a247
-  br label %find.cond7873
-find.end7877:
-  %t257 = load i64, ptr %a244
-  %t258 = icmp sge i64 %t257, 0
-  br i1 %t258, label %then7878, label %endif7880
-then7878:
-  %t259 = load ptr, ptr %a1
-  %t260 = load %S.ast.Node, ptr %a2
-  %t261 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t262 = load { ptr, i64, i64 }, ptr %t261
-  store { ptr, i64, i64 } %t262, ptr %a264
-  store { ptr, i64, i64 } { ptr @.str.5218, i64 63, i64 0 }, ptr %a265
-  call void @finch_str_concat(ptr %a263, ptr %a264, ptr %a265)
-  %t266 = load { ptr, i64, i64 }, ptr %a263
-  call void @finch.gen.fail(ptr %t259, %S.ast.Node %t260, { ptr, i64, i64 } %t266)
-  br label %endif7880
-endif7880:
-  %t267 = load ptr, ptr %a1
-  %t268 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t269 = load %S.gen.Val, ptr %t268
-  %t270 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t267, %S.gen.Val %t269)
-  store { ptr, i64, i64 } %t270, ptr %a232
-  br label %endif7872
-endif7872:
-  %t271 = load ptr, ptr %a1
-  %t272 = load %S.ast.Node, ptr %a2
-  %t273 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
-  call void @finch.gen.noteMethod(ptr %t271, %S.ast.Node %t272, { ptr, i64, i64 } %t273)
-  %t274 = load ptr, ptr %a1
-  %t275 = load %S.ast.Node, ptr %a2
-  %t276 = load { ptr, i64, i64 }, ptr %a232
-  %t277 = load %S.ast.Type, ptr %a217
-  %t278 = call %S.gen.Val @finch.gen.arrayMethod(ptr %t274, %S.ast.Node %t275, { ptr, i64, i64 } %t276, %S.ast.Type %t277)
-  ret %S.gen.Val %t278
-endif7869:
-  %t279 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t280 = load { ptr, i64, i64 }, ptr %t279
-  store { ptr, i64, i64 } %t280, ptr %a281
-  store { ptr, i64, i64 } { ptr @.str.5219, i64 3, i64 0 }, ptr %a282
-  %t283 = call i32 @finch_str_eq(ptr %a281, ptr %a282)
-  %t284 = icmp ne i32 %t283, 0
-  br i1 %t284, label %then7881, label %endif7883
-then7881:
-  %t285 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t286 = load %S.gen.Val, ptr %t285
-  store %S.gen.Val %t286, ptr %a287
-  call void @finch.copy.S_gen_Val(ptr %a288, ptr %a287)
-  %t289 = load %S.gen.Val, ptr %a288
-  store %S.gen.Val %t289, ptr %a290
-  %t291 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t292 = load i1, ptr %t291
-  br i1 %t292, label %then7884, label %endif7886
-then7884:
-  %t293 = load ptr, ptr %a1
-  %t294 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t295 = getelementptr inbounds %S.gen.Place, ptr %t294, i32 0, i32 0
-  %t296 = load { ptr, i64, i64 }, ptr %t295
-  %t297 = call { ptr, i64, i64 } @finch.gen.load(ptr %t293, { ptr, i64, i64 } { ptr @.str.5220, i64 17, i64 0 }, { ptr, i64, i64 } %t296)
-  %t298 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t297, 0
-  %t299 = load %S.ast.Type, ptr %a217
-  store %S.ast.Type %t299, ptr %a300
-  call void @finch.copy.S_ast_Type(ptr %a301, ptr %a300)
-  %t302 = load %S.ast.Type, ptr %a301
-  %t303 = insertvalue %S.gen.Val %t298, %S.ast.Type %t302, 1
-  store %S.gen.Val %t303, ptr %a290
-  br label %endif7886
-endif7886:
-  %t304 = load ptr, ptr %a1
-  %t305 = load %S.ast.Node, ptr %a2
-  %t306 = call { ptr, i64, i64 } @finch.docs.strMethods()
-  call void @finch.gen.noteMethod(ptr %t304, %S.ast.Node %t305, { ptr, i64, i64 } %t306)
-  %t307 = load ptr, ptr %a1
-  %t308 = load %S.ast.Node, ptr %a2
-  %t309 = load ptr, ptr %a1
-  %t310 = load %S.gen.Val, ptr %a290
-  %t311 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t309, %S.gen.Val %t310)
-  %t312 = call %S.gen.Val @finch.gen.strMethod(ptr %t307, %S.ast.Node %t308, { ptr, i64, i64 } %t311)
-  ret %S.gen.Val %t312
-endif7883:
-  %t313 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t314 = load { ptr, i64, i64 }, ptr %t313
-  store { ptr, i64, i64 } %t314, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.5221, i64 3, i64 0 }, ptr %a316
-  %t317 = call i32 @finch_str_eq(ptr %a315, ptr %a316)
-  %t318 = icmp ne i32 %t317, 0
-  br i1 %t318, label %then7887, label %endif7889
-then7887:
-  store { ptr, i64, i64 } { ptr @.str.5222, i64 0, i64 0 }, ptr %a319
-  %t320 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t321 = load i1, ptr %t320
-  br i1 %t321, label %then7890, label %else7891
-then7890:
-  %t322 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t323 = getelementptr inbounds %S.gen.Place, ptr %t322, i32 0, i32 0
-  %t324 = load { ptr, i64, i64 }, ptr %t323
-  store { ptr, i64, i64 } %t324, ptr %a325
-  call void @finch_str_copy(ptr %a326, ptr %a325)
-  %t327 = load { ptr, i64, i64 }, ptr %a326
-  store { ptr, i64, i64 } %t327, ptr %a319
-  br label %endif7892
-else7891:
-  %t328 = getelementptr inbounds { ptr, i64, i64 }, ptr %a188, i32 0, i32 1
-  %t329 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t330 = load { ptr, i64, i64 }, ptr %t329
-  store i64 -1, ptr %a331
-  %t332 = load i64, ptr %t328
-  %t333 = load ptr, ptr %a188
-  store i64 0, ptr %a334
-  br label %find.cond7893
-find.cond7893:
-  %t335 = load i64, ptr %a334
-  %t336 = icmp slt i64 %t335, %t332
-  br i1 %t336, label %find.body7894, label %find.end7897
-find.body7894:
-  %t337 = getelementptr inbounds { ptr, i64, i64 }, ptr %t333, i64 %t335
-  %t338 = load { ptr, i64, i64 }, ptr %t337
-  store { ptr, i64, i64 } %t338, ptr %a339
-  store { ptr, i64, i64 } %t330, ptr %a340
-  %t341 = call i32 @finch_str_eq(ptr %a339, ptr %a340)
-  %t342 = icmp ne i32 %t341, 0
-  br i1 %t342, label %find.hit7895, label %find.next7896
-find.hit7895:
-  store i64 %t335, ptr %a331
-  br label %find.end7897
-find.next7896:
-  %t343 = add i64 %t335, 1
-  store i64 %t343, ptr %a334
-  br label %find.cond7893
-find.end7897:
-  %t344 = load i64, ptr %a331
-  %t345 = icmp sge i64 %t344, 0
-  br i1 %t345, label %then7898, label %endif7900
-then7898:
-  %t346 = load ptr, ptr %a1
-  %t347 = load %S.ast.Node, ptr %a2
-  %t348 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t349 = load { ptr, i64, i64 }, ptr %t348
-  store { ptr, i64, i64 } %t349, ptr %a351
-  store { ptr, i64, i64 } { ptr @.str.5223, i64 61, i64 0 }, ptr %a352
-  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
-  %t353 = load { ptr, i64, i64 }, ptr %a350
-  call void @finch.gen.fail(ptr %t346, %S.ast.Node %t347, { ptr, i64, i64 } %t353)
-  br label %endif7900
-endif7900:
-  %t354 = load ptr, ptr %a1
-  %t355 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t356 = load %S.gen.Val, ptr %t355
-  %t357 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t354, %S.gen.Val %t356)
-  store { ptr, i64, i64 } %t357, ptr %a319
-  br label %endif7892
-endif7892:
-  %t358 = load ptr, ptr %a1
-  %t359 = load %S.ast.Node, ptr %a2
-  %t360 = call { ptr, i64, i64 } @finch.docs.mapMethods()
-  call void @finch.gen.noteMethod(ptr %t358, %S.ast.Node %t359, { ptr, i64, i64 } %t360)
+inrange8262:
+  %t143 = extractvalue { ptr, i64, i64 } %t140, 0
+  %t144 = getelementptr inbounds %S.ast.Node, ptr %t143, i64 %t139
+  %t145 = load %S.ast.Node, ptr %t144
+  store %S.ast.Node %t145, ptr %a146
+  call void @finch.copy.S_ast_Node(ptr %a147, ptr %a146)
+  %t148 = load %S.ast.Node, ptr %a147
+  %t149 = load i64, ptr %t137
+  %t150 = add i64 %t149, 1
+  call void @finch_arr_reserve(ptr %a130, i64 %t150, i64 ptrtoint (ptr getelementptr (%S.ast.Node, ptr null, i32 1) to i64))
+  %t151 = load ptr, ptr %a130
+  %t152 = getelementptr inbounds %S.ast.Node, ptr %t151, i64 %t149
+  store %S.ast.Node %t148, ptr %t152
+  store i64 %t150, ptr %t137
+  br label %for.step8259
+for.step8259:
+  %t153 = load i64, ptr %a134
+  %t154 = add i64 %t153, 1
+  store i64 %t154, ptr %a134
+  br label %for.cond8257
+for.end8260:
+  %t155 = load ptr, ptr %a1
+  %t156 = load i64, ptr %a127
+  %t157 = load { ptr, i64, i64 }, ptr %a130
+  %t158 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 10
+  %t159 = load { ptr, i64, i64 }, ptr %t158
+  %t160 = load %S.ast.Node, ptr %a2
+  %t161 = call %S.gen.Val @finch.gen.construct(ptr %t155, i64 %t156, { ptr, i64, i64 } %t157, { ptr, i64, i64 } %t159, %S.ast.Node %t160)
+  call void @finch.drop.arr_S_ast_Node(ptr %a130)
+  call void @finch_str_drop(ptr %a31)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t161
+endif8256:
+  %t162 = load ptr, ptr %a1
+  %t163 = load %S.ast.Node, ptr %a2
+  %t164 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.5391, i64 12, i64 0 }, ptr %a166
+  store { ptr, i64, i64 } %t164, ptr %a167
+  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a165
+  store { ptr, i64, i64 } %t168, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.5392, i64 35, i64 0 }, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t168, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  %t174 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t175 = load { ptr, i64, i64 }, ptr %t174
+  store { ptr, i64, i64 } %t173, ptr %a177
+  store { ptr, i64, i64 } %t175, ptr %a178
+  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
+  store { ptr, i64, i64 } %t173, ptr %a179
+  call void @finch_str_drop(ptr %a179)
+  %t180 = load { ptr, i64, i64 }, ptr %a176
+  store { ptr, i64, i64 } %t180, ptr %a182
+  store { ptr, i64, i64 } { ptr @.str.5393, i64 1, i64 0 }, ptr %a183
+  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
+  store { ptr, i64, i64 } %t180, ptr %a184
+  call void @finch_str_drop(ptr %a184)
+  %t185 = load { ptr, i64, i64 }, ptr %a181
+  call void @finch.gen.fail(ptr %t162, %S.ast.Node %t163, { ptr, i64, i64 } %t185)
+  store { ptr, i64, i64 } %t185, ptr %a186
+  call void @finch_str_drop(ptr %a186)
+  call void @finch_str_drop(ptr %a31)
+  br label %endif8241
+endif8241:
+  %t187 = mul i64 8, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %t188 = call ptr @finch_alloc(i64 %t187)
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 0
+  store { ptr, i64, i64 } { ptr @.str.5394, i64 4, i64 0 }, ptr %t189
+  %t190 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 1
+  store { ptr, i64, i64 } { ptr @.str.5395, i64 3, i64 0 }, ptr %t190
+  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 2
+  store { ptr, i64, i64 } { ptr @.str.5396, i64 6, i64 0 }, ptr %t191
+  %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 3
+  store { ptr, i64, i64 } { ptr @.str.5397, i64 6, i64 0 }, ptr %t192
+  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 4
+  store { ptr, i64, i64 } { ptr @.str.5398, i64 5, i64 0 }, ptr %t193
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 5
+  store { ptr, i64, i64 } { ptr @.str.5399, i64 6, i64 0 }, ptr %t194
+  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 6
+  store { ptr, i64, i64 } { ptr @.str.5400, i64 4, i64 0 }, ptr %t195
+  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 7
+  store { ptr, i64, i64 } { ptr @.str.5401, i64 7, i64 0 }, ptr %t196
+  %t197 = insertvalue { ptr, i64, i64 } undef, ptr %t188, 0
+  %t198 = insertvalue { ptr, i64, i64 } %t197, i64 8, 1
+  %t199 = insertvalue { ptr, i64, i64 } %t198, i64 8, 2
+  store { ptr, i64, i64 } %t199, ptr %a200
+  %t201 = load ptr, ptr %a1
+  %t202 = load %S.ast.Node, ptr %a13
+  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %a200, i32 0, i32 1
+  %t204 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t205 = load { ptr, i64, i64 }, ptr %t204
+  store i64 -1, ptr %a206
+  %t207 = load i64, ptr %t203
+  %t208 = load ptr, ptr %a200
+  store i64 0, ptr %a209
+  br label %find.cond8263
+find.cond8263:
+  %t210 = load i64, ptr %a209
+  %t211 = icmp slt i64 %t210, %t207
+  br i1 %t211, label %find.body8264, label %find.end8267
+find.body8264:
+  %t212 = getelementptr inbounds { ptr, i64, i64 }, ptr %t208, i64 %t210
+  %t213 = load { ptr, i64, i64 }, ptr %t212
+  store { ptr, i64, i64 } %t213, ptr %a214
+  store { ptr, i64, i64 } %t205, ptr %a215
+  %t216 = call i32 @finch_str_eq(ptr %a214, ptr %a215)
+  %t217 = icmp ne i32 %t216, 0
+  br i1 %t217, label %find.hit8265, label %find.next8266
+find.hit8265:
+  store i64 %t210, ptr %a206
+  br label %find.end8267
+find.next8266:
+  %t218 = add i64 %t210, 1
+  store i64 %t218, ptr %a209
+  br label %find.cond8263
+find.end8267:
+  %t219 = load i64, ptr %a206
+  %t220 = icmp sge i64 %t219, 0
+  %t221 = call %S.gen.Ref @finch.gen.ref(ptr %t201, %S.ast.Node %t202, i1 %t220)
+  store %S.gen.Ref %t221, ptr %a222
+  %t223 = load ptr, ptr %a1
+  %t224 = icmp eq ptr %t223, null
+  br i1 %t224, label %panic8268, label %ok8269
+panic8268:
+  call void @finch_panic(ptr @.str.5402, i64 5031, ptr @.str.5403)
+  unreachable
+ok8269:
+  %t225 = getelementptr inbounds %S.gen.Gen, ptr %t223, i32 0, i32 11
+  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i32 0, i32 1
+  %t227 = load i64, ptr %t226
+  store i64 %t227, ptr %a228
+  %t229 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t230 = getelementptr inbounds %S.gen.Val, ptr %t229, i32 0, i32 1
+  %t231 = load %S.ast.Type, ptr %t230
+  store %S.ast.Type %t231, ptr %a232
+  call void @finch.copy.S_ast_Type(ptr %a233, ptr %a232)
+  %t234 = load %S.ast.Type, ptr %a233
+  store %S.ast.Type %t234, ptr %a235
+  %t236 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t237 = load i1, ptr %t236
+  br i1 %t237, label %then8270, label %endif8272
+then8270:
+  %t238 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t239 = getelementptr inbounds %S.gen.Place, ptr %t238, i32 0, i32 1
+  %t240 = load %S.ast.Type, ptr %t239
+  store %S.ast.Type %t240, ptr %a241
+  call void @finch.copy.S_ast_Type(ptr %a242, ptr %a241)
+  %t243 = load %S.ast.Type, ptr %a242
+  %t244 = load %S.ast.Type, ptr %a235
+  store %S.ast.Type %t243, ptr %a235
+  store %S.ast.Type %t244, ptr %a245
+  call void @finch.drop.S_ast_Type(ptr %a245)
+  br label %endif8272
+endif8272:
+  %t246 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t247 = load { ptr, i64, i64 }, ptr %t246
+  store { ptr, i64, i64 } %t247, ptr %a248
+  store { ptr, i64, i64 } { ptr @.str.5404, i64 5, i64 0 }, ptr %a249
+  %t250 = call i32 @finch_str_eq(ptr %a248, ptr %a249)
+  %t251 = icmp ne i32 %t250, 0
+  br i1 %t251, label %then8273, label %endif8275
+then8273:
+  store { ptr, i64, i64 } { ptr @.str.5405, i64 0, i64 0 }, ptr %a252
+  %t253 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t254 = load i1, ptr %t253
+  br i1 %t254, label %then8276, label %else8277
+then8276:
+  %t255 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t256 = getelementptr inbounds %S.gen.Place, ptr %t255, i32 0, i32 0
+  %t257 = load { ptr, i64, i64 }, ptr %t256
+  store { ptr, i64, i64 } %t257, ptr %a258
+  call void @finch_str_copy(ptr %a259, ptr %a258)
+  %t260 = load { ptr, i64, i64 }, ptr %a259
+  %t261 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t260, ptr %a252
+  store { ptr, i64, i64 } %t261, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  br label %endif8278
+else8277:
+  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %a200, i32 0, i32 1
+  %t264 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t265 = load { ptr, i64, i64 }, ptr %t264
+  store i64 -1, ptr %a266
+  %t267 = load i64, ptr %t263
+  %t268 = load ptr, ptr %a200
+  store i64 0, ptr %a269
+  br label %find.cond8279
+find.cond8279:
+  %t270 = load i64, ptr %a269
+  %t271 = icmp slt i64 %t270, %t267
+  br i1 %t271, label %find.body8280, label %find.end8283
+find.body8280:
+  %t272 = getelementptr inbounds { ptr, i64, i64 }, ptr %t268, i64 %t270
+  %t273 = load { ptr, i64, i64 }, ptr %t272
+  store { ptr, i64, i64 } %t273, ptr %a274
+  store { ptr, i64, i64 } %t265, ptr %a275
+  %t276 = call i32 @finch_str_eq(ptr %a274, ptr %a275)
+  %t277 = icmp ne i32 %t276, 0
+  br i1 %t277, label %find.hit8281, label %find.next8282
+find.hit8281:
+  store i64 %t270, ptr %a266
+  br label %find.end8283
+find.next8282:
+  %t278 = add i64 %t270, 1
+  store i64 %t278, ptr %a269
+  br label %find.cond8279
+find.end8283:
+  %t279 = load i64, ptr %a266
+  %t280 = icmp sge i64 %t279, 0
+  br i1 %t280, label %then8284, label %endif8286
+then8284:
+  %t281 = load ptr, ptr %a1
+  %t282 = load %S.ast.Node, ptr %a2
+  %t283 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t284 = load { ptr, i64, i64 }, ptr %t283
+  store { ptr, i64, i64 } %t284, ptr %a286
+  store { ptr, i64, i64 } { ptr @.str.5406, i64 63, i64 0 }, ptr %a287
+  call void @finch_str_concat(ptr %a285, ptr %a286, ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a285
+  call void @finch.gen.fail(ptr %t281, %S.ast.Node %t282, { ptr, i64, i64 } %t288)
+  store { ptr, i64, i64 } %t288, ptr %a289
+  call void @finch_str_drop(ptr %a289)
+  br label %endif8286
+endif8286:
+  %t290 = load ptr, ptr %a1
+  %t291 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t292 = load %S.gen.Val, ptr %t291
+  %t293 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t290, %S.gen.Val %t292)
+  %t294 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t293, ptr %a252
+  store { ptr, i64, i64 } %t294, ptr %a295
+  call void @finch_str_drop(ptr %a295)
+  %t296 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t297 = getelementptr inbounds %S.gen.Val, ptr %t296, i32 0, i32 2
+  %t298 = load i1, ptr %t297
+  br i1 %t298, label %then8287, label %endif8289
+then8287:
+  %t299 = load ptr, ptr %a1
+  %t300 = load { ptr, i64, i64 }, ptr %a252
+  %t301 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.holdAddr(ptr %t299, { ptr, i64, i64 } %t300, %S.ast.Type %t301)
+  br label %endif8289
+endif8289:
+  br label %endif8278
+endif8278:
+  %t302 = load ptr, ptr %a1
+  %t303 = load %S.ast.Node, ptr %a2
+  %t304 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
+  call void @finch.gen.noteMethod(ptr %t302, %S.ast.Node %t303, { ptr, i64, i64 } %t304)
+  store { ptr, i64, i64 } %t304, ptr %a305
+  call void @finch.drop.arr_S_docs_Doc(ptr %a305)
+  %t306 = load ptr, ptr %a1
+  %t307 = load %S.ast.Node, ptr %a2
+  %t308 = load { ptr, i64, i64 }, ptr %a252
+  %t309 = load %S.ast.Type, ptr %a235
+  %t310 = call %S.gen.Val @finch.gen.arrayMethod(ptr %t306, %S.ast.Node %t307, { ptr, i64, i64 } %t308, %S.ast.Type %t309)
+  store %S.gen.Val %t310, ptr %a311
+  %t312 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t313 = load i1, ptr %t312
+  %t314 = xor i1 %t313, true
+  br label %logic.from8290
+logic.from8290:
+  br i1 %t314, label %logic.rhs8291, label %logic.end8292
+logic.rhs8291:
+  %t315 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t316 = getelementptr inbounds %S.gen.Val, ptr %t315, i32 0, i32 2
+  %t317 = load i1, ptr %t316
+  br label %logic.rend8293
+logic.rend8293:
+  br label %logic.end8292
+logic.end8292:
+  %t318 = phi i1 [ false, %logic.from8290 ], [ %t317, %logic.rend8293 ]
+  br i1 %t318, label %then8294, label %endif8296
+then8294:
+  %t319 = load ptr, ptr %a1
+  %t320 = load { ptr, i64, i64 }, ptr %a252
+  %t321 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.dropAt(ptr %t319, { ptr, i64, i64 } %t320, %S.ast.Type %t321)
+  br label %endif8296
+endif8296:
+  %t322 = load ptr, ptr %a1
+  %t323 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t322, i64 %t323)
+  %t324 = load %S.gen.Val, ptr %a311
+  call void @finch_str_drop(ptr %a252)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t324
+endif8275:
+  %t325 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t326 = load { ptr, i64, i64 }, ptr %t325
+  store { ptr, i64, i64 } %t326, ptr %a327
+  store { ptr, i64, i64 } { ptr @.str.5407, i64 3, i64 0 }, ptr %a328
+  %t329 = call i32 @finch_str_eq(ptr %a327, ptr %a328)
+  %t330 = icmp ne i32 %t329, 0
+  br i1 %t330, label %then8297, label %endif8299
+then8297:
+  %t331 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t332 = load %S.gen.Val, ptr %t331
+  store %S.gen.Val %t332, ptr %a333
+  call void @finch.copy.S_gen_Val(ptr %a334, ptr %a333)
+  %t335 = load %S.gen.Val, ptr %a334
+  store %S.gen.Val %t335, ptr %a336
+  %t337 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t338 = load i1, ptr %t337
+  br i1 %t338, label %then8300, label %endif8302
+then8300:
+  %t339 = load ptr, ptr %a1
+  %t340 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t341 = getelementptr inbounds %S.gen.Place, ptr %t340, i32 0, i32 0
+  %t342 = load { ptr, i64, i64 }, ptr %t341
+  %t343 = call { ptr, i64, i64 } @finch.gen.load(ptr %t339, { ptr, i64, i64 } { ptr @.str.5408, i64 17, i64 0 }, { ptr, i64, i64 } %t342)
+  %t344 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t343, 0
+  %t345 = load %S.ast.Type, ptr %a235
+  store %S.ast.Type %t345, ptr %a346
+  call void @finch.copy.S_ast_Type(ptr %a347, ptr %a346)
+  %t348 = load %S.ast.Type, ptr %a347
+  %t349 = insertvalue %S.gen.Val %t344, %S.ast.Type %t348, 1
+  %t350 = load %S.gen.Val, ptr %a336
+  store %S.gen.Val %t349, ptr %a336
+  store %S.gen.Val %t350, ptr %a351
+  call void @finch.drop.S_gen_Val(ptr %a351)
+  br label %endif8302
+endif8302:
+  %t352 = load ptr, ptr %a1
+  %t353 = load %S.ast.Node, ptr %a2
+  %t354 = call { ptr, i64, i64 } @finch.docs.strMethods()
+  call void @finch.gen.noteMethod(ptr %t352, %S.ast.Node %t353, { ptr, i64, i64 } %t354)
+  store { ptr, i64, i64 } %t354, ptr %a355
+  call void @finch.drop.arr_S_docs_Doc(ptr %a355)
+  %t356 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t357 = load i1, ptr %t356
+  %t358 = xor i1 %t357, true
+  br i1 %t358, label %then8303, label %endif8305
+then8303:
+  %t359 = load ptr, ptr %a1
+  %t360 = load %S.gen.Val, ptr %a336
+  call void @finch.gen.hold(ptr %t359, %S.gen.Val %t360)
+  br label %endif8305
+endif8305:
   %t361 = load ptr, ptr %a1
   %t362 = load %S.ast.Node, ptr %a2
-  %t363 = load { ptr, i64, i64 }, ptr %a319
-  %t364 = load %S.ast.Type, ptr %a217
-  %t365 = call %S.gen.Val @finch.gen.mapMethod(ptr %t361, %S.ast.Node %t362, { ptr, i64, i64 } %t363, %S.ast.Type %t364)
-  ret %S.gen.Val %t365
-endif7889:
-  %t366 = load %S.ast.Type, ptr %a217
-  store %S.ast.Type %t366, ptr %a367
-  call void @finch.copy.S_ast_Type(ptr %a368, ptr %a367)
-  %t369 = load %S.ast.Type, ptr %a368
-  store %S.ast.Type %t369, ptr %a370
-  store { ptr, i64, i64 } { ptr @.str.5224, i64 0, i64 0 }, ptr %a371
-  %t372 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t373 = load { ptr, i64, i64 }, ptr %t372
-  store { ptr, i64, i64 } %t373, ptr %a374
-  store { ptr, i64, i64 } { ptr @.str.5225, i64 3, i64 0 }, ptr %a375
-  %t376 = call i32 @finch_str_eq(ptr %a374, ptr %a375)
-  %t377 = icmp ne i32 %t376, 0
-  br label %logic.from7901
-logic.from7901:
-  br i1 %t377, label %logic.rhs7902, label %logic.end7903
-logic.rhs7902:
-  %t378 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 1
-  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i32 0, i32 1
-  %t380 = load i64, ptr %t379
-  %t381 = icmp sgt i64 %t380, 0
-  br label %logic.rend7904
-logic.rend7904:
-  br label %logic.end7903
-logic.end7903:
-  %t382 = phi i1 [ false, %logic.from7901 ], [ %t381, %logic.rend7904 ]
-  br label %logic.from7905
-logic.from7905:
-  br i1 %t382, label %logic.rhs7906, label %logic.end7907
-logic.rhs7906:
-  %t383 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 1
-  %t384 = load { ptr, i64, i64 }, ptr %t383
-  %t385 = extractvalue { ptr, i64, i64 } %t384, 1
-  %t386 = icmp uge i64 0, %t385
-  br i1 %t386, label %range7908, label %inrange7909
-range7908:
-  call void @finch_panic_index(ptr @.str.5226, i64 4717, i64 0, i64 %t385)
+  %t363 = load ptr, ptr %a1
+  %t364 = load %S.gen.Val, ptr %a336
+  %t365 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t363, %S.gen.Val %t364)
+  %t366 = call %S.gen.Val @finch.gen.strMethod(ptr %t361, %S.ast.Node %t362, { ptr, i64, i64 } %t365)
+  store { ptr, i64, i64 } %t365, ptr %a367
+  call void @finch_str_drop(ptr %a367)
+  store %S.gen.Val %t366, ptr %a368
+  %t369 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t370 = load i1, ptr %t369
+  %t371 = xor i1 %t370, true
+  br i1 %t371, label %then8306, label %endif8308
+then8306:
+  %t372 = load ptr, ptr %a1
+  %t373 = load %S.gen.Val, ptr %a336
+  call void @finch.gen.release(ptr %t372, %S.gen.Val %t373)
+  br label %endif8308
+endif8308:
+  %t374 = load ptr, ptr %a1
+  %t375 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t374, i64 %t375)
+  %t376 = load %S.gen.Val, ptr %a368
+  call void @finch.drop.S_gen_Val(ptr %a336)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t376
+endif8299:
+  %t377 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t378 = load { ptr, i64, i64 }, ptr %t377
+  store { ptr, i64, i64 } %t378, ptr %a379
+  store { ptr, i64, i64 } { ptr @.str.5409, i64 3, i64 0 }, ptr %a380
+  %t381 = call i32 @finch_str_eq(ptr %a379, ptr %a380)
+  %t382 = icmp ne i32 %t381, 0
+  br i1 %t382, label %then8309, label %endif8311
+then8309:
+  store { ptr, i64, i64 } { ptr @.str.5410, i64 0, i64 0 }, ptr %a383
+  %t384 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t385 = load i1, ptr %t384
+  br i1 %t385, label %then8312, label %else8313
+then8312:
+  %t386 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t387 = getelementptr inbounds %S.gen.Place, ptr %t386, i32 0, i32 0
+  %t388 = load { ptr, i64, i64 }, ptr %t387
+  store { ptr, i64, i64 } %t388, ptr %a389
+  call void @finch_str_copy(ptr %a390, ptr %a389)
+  %t391 = load { ptr, i64, i64 }, ptr %a390
+  %t392 = load { ptr, i64, i64 }, ptr %a383
+  store { ptr, i64, i64 } %t391, ptr %a383
+  store { ptr, i64, i64 } %t392, ptr %a393
+  call void @finch_str_drop(ptr %a393)
+  br label %endif8314
+else8313:
+  %t394 = getelementptr inbounds { ptr, i64, i64 }, ptr %a200, i32 0, i32 1
+  %t395 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t396 = load { ptr, i64, i64 }, ptr %t395
+  store i64 -1, ptr %a397
+  %t398 = load i64, ptr %t394
+  %t399 = load ptr, ptr %a200
+  store i64 0, ptr %a400
+  br label %find.cond8315
+find.cond8315:
+  %t401 = load i64, ptr %a400
+  %t402 = icmp slt i64 %t401, %t398
+  br i1 %t402, label %find.body8316, label %find.end8319
+find.body8316:
+  %t403 = getelementptr inbounds { ptr, i64, i64 }, ptr %t399, i64 %t401
+  %t404 = load { ptr, i64, i64 }, ptr %t403
+  store { ptr, i64, i64 } %t404, ptr %a405
+  store { ptr, i64, i64 } %t396, ptr %a406
+  %t407 = call i32 @finch_str_eq(ptr %a405, ptr %a406)
+  %t408 = icmp ne i32 %t407, 0
+  br i1 %t408, label %find.hit8317, label %find.next8318
+find.hit8317:
+  store i64 %t401, ptr %a397
+  br label %find.end8319
+find.next8318:
+  %t409 = add i64 %t401, 1
+  store i64 %t409, ptr %a400
+  br label %find.cond8315
+find.end8319:
+  %t410 = load i64, ptr %a397
+  %t411 = icmp sge i64 %t410, 0
+  br i1 %t411, label %then8320, label %endif8322
+then8320:
+  %t412 = load ptr, ptr %a1
+  %t413 = load %S.ast.Node, ptr %a2
+  %t414 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t415 = load { ptr, i64, i64 }, ptr %t414
+  store { ptr, i64, i64 } %t415, ptr %a417
+  store { ptr, i64, i64 } { ptr @.str.5411, i64 61, i64 0 }, ptr %a418
+  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
+  %t419 = load { ptr, i64, i64 }, ptr %a416
+  call void @finch.gen.fail(ptr %t412, %S.ast.Node %t413, { ptr, i64, i64 } %t419)
+  store { ptr, i64, i64 } %t419, ptr %a420
+  call void @finch_str_drop(ptr %a420)
+  br label %endif8322
+endif8322:
+  %t421 = load ptr, ptr %a1
+  %t422 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t423 = load %S.gen.Val, ptr %t422
+  %t424 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t421, %S.gen.Val %t423)
+  %t425 = load { ptr, i64, i64 }, ptr %a383
+  store { ptr, i64, i64 } %t424, ptr %a383
+  store { ptr, i64, i64 } %t425, ptr %a426
+  call void @finch_str_drop(ptr %a426)
+  %t427 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t428 = getelementptr inbounds %S.gen.Val, ptr %t427, i32 0, i32 2
+  %t429 = load i1, ptr %t428
+  br i1 %t429, label %then8323, label %endif8325
+then8323:
+  %t430 = load ptr, ptr %a1
+  %t431 = load { ptr, i64, i64 }, ptr %a383
+  %t432 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.holdAddr(ptr %t430, { ptr, i64, i64 } %t431, %S.ast.Type %t432)
+  br label %endif8325
+endif8325:
+  br label %endif8314
+endif8314:
+  %t433 = load ptr, ptr %a1
+  %t434 = load %S.ast.Node, ptr %a2
+  %t435 = call { ptr, i64, i64 } @finch.docs.mapMethods()
+  call void @finch.gen.noteMethod(ptr %t433, %S.ast.Node %t434, { ptr, i64, i64 } %t435)
+  store { ptr, i64, i64 } %t435, ptr %a436
+  call void @finch.drop.arr_S_docs_Doc(ptr %a436)
+  %t437 = load ptr, ptr %a1
+  %t438 = load %S.ast.Node, ptr %a2
+  %t439 = load { ptr, i64, i64 }, ptr %a383
+  %t440 = load %S.ast.Type, ptr %a235
+  %t441 = call %S.gen.Val @finch.gen.mapMethod(ptr %t437, %S.ast.Node %t438, { ptr, i64, i64 } %t439, %S.ast.Type %t440)
+  store %S.gen.Val %t441, ptr %a442
+  %t443 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t444 = load i1, ptr %t443
+  %t445 = xor i1 %t444, true
+  br label %logic.from8326
+logic.from8326:
+  br i1 %t445, label %logic.rhs8327, label %logic.end8328
+logic.rhs8327:
+  %t446 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t447 = getelementptr inbounds %S.gen.Val, ptr %t446, i32 0, i32 2
+  %t448 = load i1, ptr %t447
+  br label %logic.rend8329
+logic.rend8329:
+  br label %logic.end8328
+logic.end8328:
+  %t449 = phi i1 [ false, %logic.from8326 ], [ %t448, %logic.rend8329 ]
+  br i1 %t449, label %then8330, label %endif8332
+then8330:
+  %t450 = load ptr, ptr %a1
+  %t451 = load { ptr, i64, i64 }, ptr %a383
+  %t452 = load %S.ast.Type, ptr %a235
+  call void @finch.gen.dropAt(ptr %t450, { ptr, i64, i64 } %t451, %S.ast.Type %t452)
+  br label %endif8332
+endif8332:
+  %t453 = load ptr, ptr %a1
+  %t454 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t453, i64 %t454)
+  %t455 = load %S.gen.Val, ptr %a442
+  call void @finch_str_drop(ptr %a383)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t455
+endif8311:
+  %t456 = load ptr, ptr %a1
+  %t457 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t456, i64 %t457)
+  %t458 = load %S.ast.Type, ptr %a235
+  store %S.ast.Type %t458, ptr %a459
+  call void @finch.copy.S_ast_Type(ptr %a460, ptr %a459)
+  %t461 = load %S.ast.Type, ptr %a460
+  store %S.ast.Type %t461, ptr %a462
+  store { ptr, i64, i64 } { ptr @.str.5412, i64 0, i64 0 }, ptr %a463
+  store i1 false, ptr %a464
+  %t465 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t466 = load { ptr, i64, i64 }, ptr %t465
+  store { ptr, i64, i64 } %t466, ptr %a467
+  store { ptr, i64, i64 } { ptr @.str.5413, i64 3, i64 0 }, ptr %a468
+  %t469 = call i32 @finch_str_eq(ptr %a467, ptr %a468)
+  %t470 = icmp ne i32 %t469, 0
+  br label %logic.from8333
+logic.from8333:
+  br i1 %t470, label %logic.rhs8334, label %logic.end8335
+logic.rhs8334:
+  %t471 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 1
+  %t472 = getelementptr inbounds { ptr, i64, i64 }, ptr %t471, i32 0, i32 1
+  %t473 = load i64, ptr %t472
+  %t474 = icmp sgt i64 %t473, 0
+  br label %logic.rend8336
+logic.rend8336:
+  br label %logic.end8335
+logic.end8335:
+  %t475 = phi i1 [ false, %logic.from8333 ], [ %t474, %logic.rend8336 ]
+  br label %logic.from8337
+logic.from8337:
+  br i1 %t475, label %logic.rhs8338, label %logic.end8339
+logic.rhs8338:
+  %t476 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 1
+  %t477 = load { ptr, i64, i64 }, ptr %t476
+  %t478 = extractvalue { ptr, i64, i64 } %t477, 1
+  %t479 = icmp uge i64 0, %t478
+  br i1 %t479, label %range8340, label %inrange8341
+range8340:
+  call void @finch_panic_index(ptr @.str.5414, i64 5098, i64 0, i64 %t478)
   unreachable
-inrange7909:
-  %t387 = extractvalue { ptr, i64, i64 } %t384, 0
-  %t388 = getelementptr inbounds %S.ast.Type, ptr %t387, i64 0
-  %t389 = getelementptr inbounds %S.ast.Type, ptr %t388, i32 0, i32 0
-  %t390 = load { ptr, i64, i64 }, ptr %t389
-  store { ptr, i64, i64 } %t390, ptr %a391
-  store { ptr, i64, i64 } { ptr @.str.5227, i64 6, i64 0 }, ptr %a392
-  %t393 = call i32 @finch_str_eq(ptr %a391, ptr %a392)
-  %t394 = icmp ne i32 %t393, 0
-  br label %logic.rend7910
-logic.rend7910:
-  br label %logic.end7907
-logic.end7907:
-  %t395 = phi i1 [ false, %logic.from7905 ], [ %t394, %logic.rend7910 ]
-  br i1 %t395, label %then7911, label %else7912
-then7911:
-  %t396 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t397 = getelementptr inbounds %S.gen.Val, ptr %t396, i32 0, i32 0
-  %t398 = load { ptr, i64, i64 }, ptr %t397
-  store { ptr, i64, i64 } %t398, ptr %a399
-  call void @finch_str_copy(ptr %a400, ptr %a399)
-  %t401 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t401, ptr %a402
-  %t403 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t404 = load i1, ptr %t403
-  br i1 %t404, label %then7914, label %endif7916
-then7914:
-  %t405 = load ptr, ptr %a1
-  %t406 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t407 = getelementptr inbounds %S.gen.Place, ptr %t406, i32 0, i32 0
-  %t408 = load { ptr, i64, i64 }, ptr %t407
-  %t409 = call { ptr, i64, i64 } @finch.gen.load(ptr %t405, { ptr, i64, i64 } { ptr @.str.5228, i64 3, i64 0 }, { ptr, i64, i64 } %t408)
-  store { ptr, i64, i64 } %t409, ptr %a402
-  br label %endif7916
-endif7916:
-  %t410 = load ptr, ptr %a1
-  %t411 = load ptr, ptr %a1
-  %t412 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } { ptr @.str.5229, i64 12, i64 0 }, ptr %a414
-  store { ptr, i64, i64 } %t412, ptr %a415
-  call void @finch_str_concat(ptr %a413, ptr %a414, ptr %a415)
-  %t416 = load { ptr, i64, i64 }, ptr %a413
-  store { ptr, i64, i64 } %t416, ptr %a418
-  store { ptr, i64, i64 } { ptr @.str.5230, i64 6, i64 0 }, ptr %a419
-  call void @finch_str_concat(ptr %a417, ptr %a418, ptr %a419)
-  %t420 = load { ptr, i64, i64 }, ptr %a417
-  %t421 = call { ptr, i64, i64 } @finch.gen.op(ptr %t411, { ptr, i64, i64 } %t420)
-  %t422 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t423 = load { ptr, i64, i64 }, ptr %t422
-  store { ptr, i64, i64 } { ptr @.str.5231, i64 8, i64 0 }, ptr %a425
-  store { ptr, i64, i64 } %t423, ptr %a426
-  call void @finch_str_concat(ptr %a424, ptr %a425, ptr %a426)
-  %t427 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t427, ptr %a429
-  store { ptr, i64, i64 } { ptr @.str.5232, i64 20, i64 0 }, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  %t432 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t410, { ptr, i64, i64 } %t421, { ptr, i64, i64 } %t431, %S.ast.Node %t432)
-  %t433 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 1
-  %t434 = load { ptr, i64, i64 }, ptr %t433
-  %t435 = extractvalue { ptr, i64, i64 } %t434, 1
-  %t436 = icmp uge i64 0, %t435
-  br i1 %t436, label %range7917, label %inrange7918
-range7917:
-  call void @finch_panic_index(ptr @.str.5233, i64 4723, i64 0, i64 %t435)
-  unreachable
-inrange7918:
-  %t437 = extractvalue { ptr, i64, i64 } %t434, 0
-  %t438 = getelementptr inbounds %S.ast.Type, ptr %t437, i64 0
-  %t439 = load %S.ast.Type, ptr %t438
-  store %S.ast.Type %t439, ptr %a440
-  call void @finch.copy.S_ast_Type(ptr %a441, ptr %a440)
-  %t442 = load %S.ast.Type, ptr %a441
-  store %S.ast.Type %t442, ptr %a370
-  %t443 = load { ptr, i64, i64 }, ptr %a402
-  store { ptr, i64, i64 } %t443, ptr %a444
-  call void @finch_str_copy(ptr %a445, ptr %a444)
-  %t446 = load { ptr, i64, i64 }, ptr %a445
-  store { ptr, i64, i64 } %t446, ptr %a371
-  br label %endif7913
-else7912:
-  %t447 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t448 = load { ptr, i64, i64 }, ptr %t447
-  store { ptr, i64, i64 } %t448, ptr %a449
-  store { ptr, i64, i64 } { ptr @.str.5234, i64 6, i64 0 }, ptr %a450
-  %t451 = call i32 @finch_str_eq(ptr %a449, ptr %a450)
-  %t452 = icmp ne i32 %t451, 0
-  br label %logic.from7919
-logic.from7919:
-  br i1 %t452, label %logic.end7921, label %logic.rhs7920
-logic.rhs7920:
-  %t453 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t454 = load { ptr, i64, i64 }, ptr %t453
-  store { ptr, i64, i64 } %t454, ptr %a455
-  store { ptr, i64, i64 } { ptr @.str.5235, i64 4, i64 0 }, ptr %a456
-  %t457 = call i32 @finch_str_eq(ptr %a455, ptr %a456)
-  %t458 = icmp ne i32 %t457, 0
-  br label %logic.rend7922
-logic.rend7922:
-  br label %logic.end7921
-logic.end7921:
-  %t459 = phi i1 [ true, %logic.from7919 ], [ %t458, %logic.rend7922 ]
-  br i1 %t459, label %then7923, label %endif7925
-then7923:
-  %t460 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t461 = load i1, ptr %t460
-  br i1 %t461, label %then7926, label %else7927
-then7926:
-  %t462 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 1
-  %t463 = getelementptr inbounds %S.gen.Place, ptr %t462, i32 0, i32 0
-  %t464 = load { ptr, i64, i64 }, ptr %t463
-  store { ptr, i64, i64 } %t464, ptr %a465
-  call void @finch_str_copy(ptr %a466, ptr %a465)
-  %t467 = load { ptr, i64, i64 }, ptr %a466
-  store { ptr, i64, i64 } %t467, ptr %a371
-  br label %endif7928
-else7927:
-  %t468 = load ptr, ptr %a1
-  %t469 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 2
-  %t470 = load %S.gen.Val, ptr %t469
-  %t471 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t468, %S.gen.Val %t470)
-  store { ptr, i64, i64 } %t471, ptr %a371
-  br label %endif7928
-endif7928:
-  br label %endif7925
-endif7925:
-  br label %endif7913
-endif7913:
-  %t472 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t473 = load { ptr, i64, i64 }, ptr %t472
-  store { ptr, i64, i64 } %t473, ptr %a474
-  store { ptr, i64, i64 } { ptr @.str.5236, i64 6, i64 0 }, ptr %a475
-  %t476 = call i32 @finch_str_eq(ptr %a474, ptr %a475)
-  %t477 = icmp ne i32 %t476, 0
-  br label %logic.from7929
-logic.from7929:
-  br i1 %t477, label %logic.end7931, label %logic.rhs7930
-logic.rhs7930:
-  %t478 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t479 = load { ptr, i64, i64 }, ptr %t478
-  store { ptr, i64, i64 } %t479, ptr %a480
-  store { ptr, i64, i64 } { ptr @.str.5237, i64 4, i64 0 }, ptr %a481
-  %t482 = call i32 @finch_str_eq(ptr %a480, ptr %a481)
-  %t483 = icmp ne i32 %t482, 0
-  br label %logic.rend7932
-logic.rend7932:
-  br label %logic.end7931
-logic.end7931:
-  %t484 = phi i1 [ true, %logic.from7929 ], [ %t483, %logic.rend7932 ]
-  br i1 %t484, label %then7933, label %endif7935
-then7933:
-  %t485 = load ptr, ptr %a1
-  %t486 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t487 = load { ptr, i64, i64 }, ptr %t486
-  %t488 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t489 = load { ptr, i64, i64 }, ptr %t488
-  %t490 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+inrange8341:
+  %t480 = extractvalue { ptr, i64, i64 } %t477, 0
+  %t481 = getelementptr inbounds %S.ast.Type, ptr %t480, i64 0
+  %t482 = getelementptr inbounds %S.ast.Type, ptr %t481, i32 0, i32 0
+  %t483 = load { ptr, i64, i64 }, ptr %t482
+  store { ptr, i64, i64 } %t483, ptr %a484
+  store { ptr, i64, i64 } { ptr @.str.5415, i64 6, i64 0 }, ptr %a485
+  %t486 = call i32 @finch_str_eq(ptr %a484, ptr %a485)
+  %t487 = icmp ne i32 %t486, 0
+  br label %logic.rend8342
+logic.rend8342:
+  br label %logic.end8339
+logic.end8339:
+  %t488 = phi i1 [ false, %logic.from8337 ], [ %t487, %logic.rend8342 ]
+  br i1 %t488, label %then8343, label %else8344
+then8343:
+  %t489 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t490 = getelementptr inbounds %S.gen.Val, ptr %t489, i32 0, i32 0
   %t491 = load { ptr, i64, i64 }, ptr %t490
-  %t492 = call i64 @finch.gen.findMethod(ptr %t485, { ptr, i64, i64 } %t487, { ptr, i64, i64 } %t489, { ptr, i64, i64 } %t491)
-  store i64 %t492, ptr %a493
-  %t494 = load i64, ptr %a493
-  %t495 = icmp slt i64 %t494, 0
-  br label %logic.from7936
-logic.from7936:
-  br i1 %t495, label %logic.rhs7937, label %logic.end7938
-logic.rhs7937:
-  %t496 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t497 = load { ptr, i64, i64 }, ptr %t496
-  store { ptr, i64, i64 } %t497, ptr %a498
-  store { ptr, i64, i64 } { ptr @.str.5238, i64 6, i64 0 }, ptr %a499
-  %t500 = call i32 @finch_str_eq(ptr %a498, ptr %a499)
-  %t501 = icmp ne i32 %t500, 0
-  br label %logic.rend7939
-logic.rend7939:
-  br label %logic.end7938
-logic.end7938:
-  %t502 = phi i1 [ false, %logic.from7936 ], [ %t501, %logic.rend7939 ]
-  br i1 %t502, label %then7940, label %endif7942
-then7940:
-  %t503 = load ptr, ptr %a1
-  %t504 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t505 = load { ptr, i64, i64 }, ptr %t504
-  %t506 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t507 = load { ptr, i64, i64 }, ptr %t506
-  %t508 = call i64 @finch.gen.findStruct(ptr %t503, { ptr, i64, i64 } %t505, { ptr, i64, i64 } %t507)
-  store i64 %t508, ptr %a509
-  %t510 = load ptr, ptr %a1
-  %t511 = icmp eq ptr %t510, null
-  br i1 %t511, label %panic7943, label %ok7944
-panic7943:
-  call void @finch_panic(ptr @.str.5239, i64 4736, ptr @.str.5240)
+  store { ptr, i64, i64 } %t491, ptr %a492
+  call void @finch_str_copy(ptr %a493, ptr %a492)
+  %t494 = load { ptr, i64, i64 }, ptr %a493
+  store { ptr, i64, i64 } %t494, ptr %a495
+  %t496 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t497 = load i1, ptr %t496
+  br i1 %t497, label %then8346, label %endif8348
+then8346:
+  %t498 = load ptr, ptr %a1
+  %t499 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t500 = getelementptr inbounds %S.gen.Place, ptr %t499, i32 0, i32 0
+  %t501 = load { ptr, i64, i64 }, ptr %t500
+  %t502 = call { ptr, i64, i64 } @finch.gen.load(ptr %t498, { ptr, i64, i64 } { ptr @.str.5416, i64 3, i64 0 }, { ptr, i64, i64 } %t501)
+  %t503 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } %t502, ptr %a495
+  store { ptr, i64, i64 } %t503, ptr %a504
+  call void @finch_str_drop(ptr %a504)
+  br label %endif8348
+endif8348:
+  %t505 = load ptr, ptr %a1
+  %t506 = load ptr, ptr %a1
+  %t507 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.5417, i64 12, i64 0 }, ptr %a509
+  store { ptr, i64, i64 } %t507, ptr %a510
+  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
+  %t511 = load { ptr, i64, i64 }, ptr %a508
+  store { ptr, i64, i64 } %t511, ptr %a513
+  store { ptr, i64, i64 } { ptr @.str.5418, i64 6, i64 0 }, ptr %a514
+  call void @finch_str_concat(ptr %a512, ptr %a513, ptr %a514)
+  store { ptr, i64, i64 } %t511, ptr %a515
+  call void @finch_str_drop(ptr %a515)
+  %t516 = load { ptr, i64, i64 }, ptr %a512
+  %t517 = call { ptr, i64, i64 } @finch.gen.op(ptr %t506, { ptr, i64, i64 } %t516)
+  store { ptr, i64, i64 } %t516, ptr %a518
+  call void @finch_str_drop(ptr %a518)
+  %t519 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t520 = load { ptr, i64, i64 }, ptr %t519
+  store { ptr, i64, i64 } { ptr @.str.5419, i64 8, i64 0 }, ptr %a522
+  store { ptr, i64, i64 } %t520, ptr %a523
+  call void @finch_str_concat(ptr %a521, ptr %a522, ptr %a523)
+  %t524 = load { ptr, i64, i64 }, ptr %a521
+  store { ptr, i64, i64 } %t524, ptr %a526
+  store { ptr, i64, i64 } { ptr @.str.5420, i64 20, i64 0 }, ptr %a527
+  call void @finch_str_concat(ptr %a525, ptr %a526, ptr %a527)
+  store { ptr, i64, i64 } %t524, ptr %a528
+  call void @finch_str_drop(ptr %a528)
+  %t529 = load { ptr, i64, i64 }, ptr %a525
+  %t530 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t505, { ptr, i64, i64 } %t517, { ptr, i64, i64 } %t529, %S.ast.Node %t530)
+  store { ptr, i64, i64 } %t517, ptr %a531
+  call void @finch_str_drop(ptr %a531)
+  store { ptr, i64, i64 } %t529, ptr %a532
+  call void @finch_str_drop(ptr %a532)
+  %t533 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 1
+  %t534 = load { ptr, i64, i64 }, ptr %t533
+  %t535 = extractvalue { ptr, i64, i64 } %t534, 1
+  %t536 = icmp uge i64 0, %t535
+  br i1 %t536, label %range8349, label %inrange8350
+range8349:
+  call void @finch_panic_index(ptr @.str.5421, i64 5104, i64 0, i64 %t535)
   unreachable
-ok7944:
-  %t512 = getelementptr inbounds %S.gen.Gen, ptr %t510, i32 0, i32 15
-  %t513 = load i64, ptr %a509
-  %t514 = load { ptr, i64, i64 }, ptr %t512
-  %t515 = extractvalue { ptr, i64, i64 } %t514, 1
-  %t516 = icmp uge i64 %t513, %t515
-  br i1 %t516, label %range7945, label %inrange7946
-range7945:
-  call void @finch_panic_index(ptr @.str.5241, i64 4736, i64 %t513, i64 %t515)
+inrange8350:
+  %t537 = extractvalue { ptr, i64, i64 } %t534, 0
+  %t538 = getelementptr inbounds %S.ast.Type, ptr %t537, i64 0
+  %t539 = load %S.ast.Type, ptr %t538
+  store %S.ast.Type %t539, ptr %a540
+  call void @finch.copy.S_ast_Type(ptr %a541, ptr %a540)
+  %t542 = load %S.ast.Type, ptr %a541
+  %t543 = load %S.ast.Type, ptr %a462
+  store %S.ast.Type %t542, ptr %a462
+  store %S.ast.Type %t543, ptr %a544
+  call void @finch.drop.S_ast_Type(ptr %a544)
+  %t545 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } %t545, ptr %a546
+  call void @finch_str_copy(ptr %a547, ptr %a546)
+  %t548 = load { ptr, i64, i64 }, ptr %a547
+  %t549 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t548, ptr %a463
+  store { ptr, i64, i64 } %t549, ptr %a550
+  call void @finch_str_drop(ptr %a550)
+  call void @finch_str_drop(ptr %a495)
+  br label %endif8345
+else8344:
+  %t551 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t552 = load { ptr, i64, i64 }, ptr %t551
+  store { ptr, i64, i64 } %t552, ptr %a553
+  store { ptr, i64, i64 } { ptr @.str.5422, i64 6, i64 0 }, ptr %a554
+  %t555 = call i32 @finch_str_eq(ptr %a553, ptr %a554)
+  %t556 = icmp ne i32 %t555, 0
+  br label %logic.from8351
+logic.from8351:
+  br i1 %t556, label %logic.end8353, label %logic.rhs8352
+logic.rhs8352:
+  %t557 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t558 = load { ptr, i64, i64 }, ptr %t557
+  store { ptr, i64, i64 } %t558, ptr %a559
+  store { ptr, i64, i64 } { ptr @.str.5423, i64 4, i64 0 }, ptr %a560
+  %t561 = call i32 @finch_str_eq(ptr %a559, ptr %a560)
+  %t562 = icmp ne i32 %t561, 0
+  br label %logic.rend8354
+logic.rend8354:
+  br label %logic.end8353
+logic.end8353:
+  %t563 = phi i1 [ true, %logic.from8351 ], [ %t562, %logic.rend8354 ]
+  br i1 %t563, label %then8355, label %endif8357
+then8355:
+  %t564 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t565 = load i1, ptr %t564
+  br i1 %t565, label %then8358, label %else8359
+then8358:
+  %t566 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 1
+  %t567 = getelementptr inbounds %S.gen.Place, ptr %t566, i32 0, i32 0
+  %t568 = load { ptr, i64, i64 }, ptr %t567
+  store { ptr, i64, i64 } %t568, ptr %a569
+  call void @finch_str_copy(ptr %a570, ptr %a569)
+  %t571 = load { ptr, i64, i64 }, ptr %a570
+  %t572 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t571, ptr %a463
+  store { ptr, i64, i64 } %t572, ptr %a573
+  call void @finch_str_drop(ptr %a573)
+  br label %endif8360
+else8359:
+  %t574 = load ptr, ptr %a1
+  %t575 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t576 = load %S.gen.Val, ptr %t575
+  %t577 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t574, %S.gen.Val %t576)
+  %t578 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t577, ptr %a463
+  store { ptr, i64, i64 } %t578, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  store i1 true, ptr %a464
+  br label %endif8360
+endif8360:
+  br label %endif8357
+endif8357:
+  br label %endif8345
+endif8345:
+  %t580 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t581 = load { ptr, i64, i64 }, ptr %t580
+  store { ptr, i64, i64 } %t581, ptr %a582
+  store { ptr, i64, i64 } { ptr @.str.5424, i64 6, i64 0 }, ptr %a583
+  %t584 = call i32 @finch_str_eq(ptr %a582, ptr %a583)
+  %t585 = icmp ne i32 %t584, 0
+  br label %logic.from8361
+logic.from8361:
+  br i1 %t585, label %logic.end8363, label %logic.rhs8362
+logic.rhs8362:
+  %t586 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t587 = load { ptr, i64, i64 }, ptr %t586
+  store { ptr, i64, i64 } %t587, ptr %a588
+  store { ptr, i64, i64 } { ptr @.str.5425, i64 4, i64 0 }, ptr %a589
+  %t590 = call i32 @finch_str_eq(ptr %a588, ptr %a589)
+  %t591 = icmp ne i32 %t590, 0
+  br label %logic.rend8364
+logic.rend8364:
+  br label %logic.end8363
+logic.end8363:
+  %t592 = phi i1 [ true, %logic.from8361 ], [ %t591, %logic.rend8364 ]
+  br i1 %t592, label %then8365, label %endif8367
+then8365:
+  %t593 = load ptr, ptr %a1
+  %t594 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t595 = load { ptr, i64, i64 }, ptr %t594
+  %t596 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t597 = load { ptr, i64, i64 }, ptr %t596
+  %t598 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  %t600 = call i64 @finch.gen.findMethod(ptr %t593, { ptr, i64, i64 } %t595, { ptr, i64, i64 } %t597, { ptr, i64, i64 } %t599)
+  store i64 %t600, ptr %a601
+  %t602 = load i64, ptr %a601
+  %t603 = icmp slt i64 %t602, 0
+  br label %logic.from8368
+logic.from8368:
+  br i1 %t603, label %logic.rhs8369, label %logic.end8370
+logic.rhs8369:
+  %t604 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t605 = load { ptr, i64, i64 }, ptr %t604
+  store { ptr, i64, i64 } %t605, ptr %a606
+  store { ptr, i64, i64 } { ptr @.str.5426, i64 6, i64 0 }, ptr %a607
+  %t608 = call i32 @finch_str_eq(ptr %a606, ptr %a607)
+  %t609 = icmp ne i32 %t608, 0
+  br label %logic.rend8371
+logic.rend8371:
+  br label %logic.end8370
+logic.end8370:
+  %t610 = phi i1 [ false, %logic.from8368 ], [ %t609, %logic.rend8371 ]
+  br i1 %t610, label %then8372, label %endif8374
+then8372:
+  %t611 = load ptr, ptr %a1
+  %t612 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t613 = load { ptr, i64, i64 }, ptr %t612
+  %t614 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t615 = load { ptr, i64, i64 }, ptr %t614
+  %t616 = call i64 @finch.gen.findStruct(ptr %t611, { ptr, i64, i64 } %t613, { ptr, i64, i64 } %t615)
+  store i64 %t616, ptr %a617
+  %t618 = load ptr, ptr %a1
+  %t619 = icmp eq ptr %t618, null
+  br i1 %t619, label %panic8375, label %ok8376
+panic8375:
+  call void @finch_panic(ptr @.str.5427, i64 5118, ptr @.str.5428)
   unreachable
-inrange7946:
-  %t517 = extractvalue { ptr, i64, i64 } %t514, 0
-  %t518 = getelementptr inbounds %S.gen.StructDef, ptr %t517, i64 %t513
-  %t519 = getelementptr inbounds %S.gen.StructDef, ptr %t518, i32 0, i32 5
-  %t520 = getelementptr inbounds { ptr, i64, i64 }, ptr %t519, i32 0, i32 1
-  %t521 = load i64, ptr %t520
-  %t522 = icmp sgt i64 %t521, 0
-  br i1 %t522, label %then7947, label %endif7949
-then7947:
-  %t523 = load ptr, ptr %a1
-  %t524 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t525 = load { ptr, i64, i64 }, ptr %t524
-  %t526 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t527 = load { ptr, i64, i64 }, ptr %t526
-  %t528 = load ptr, ptr %a1
-  %t529 = icmp eq ptr %t528, null
-  br i1 %t529, label %panic7950, label %ok7951
-panic7950:
-  call void @finch_panic(ptr @.str.5242, i64 4737, ptr @.str.5243)
+ok8376:
+  %t620 = getelementptr inbounds %S.gen.Gen, ptr %t618, i32 0, i32 16
+  %t621 = load i64, ptr %a617
+  %t622 = load { ptr, i64, i64 }, ptr %t620
+  %t623 = extractvalue { ptr, i64, i64 } %t622, 1
+  %t624 = icmp uge i64 %t621, %t623
+  br i1 %t624, label %range8377, label %inrange8378
+range8377:
+  call void @finch_panic_index(ptr @.str.5429, i64 5118, i64 %t621, i64 %t623)
   unreachable
-ok7951:
-  %t530 = getelementptr inbounds %S.gen.Gen, ptr %t528, i32 0, i32 15
-  %t531 = load i64, ptr %a509
-  %t532 = load { ptr, i64, i64 }, ptr %t530
-  %t533 = extractvalue { ptr, i64, i64 } %t532, 1
-  %t534 = icmp uge i64 %t531, %t533
-  br i1 %t534, label %range7952, label %inrange7953
-range7952:
-  call void @finch_panic_index(ptr @.str.5244, i64 4737, i64 %t531, i64 %t533)
+inrange8378:
+  %t625 = extractvalue { ptr, i64, i64 } %t622, 0
+  %t626 = getelementptr inbounds %S.gen.StructDef, ptr %t625, i64 %t621
+  %t627 = getelementptr inbounds %S.gen.StructDef, ptr %t626, i32 0, i32 5
+  %t628 = getelementptr inbounds { ptr, i64, i64 }, ptr %t627, i32 0, i32 1
+  %t629 = load i64, ptr %t628
+  %t630 = icmp sgt i64 %t629, 0
+  br i1 %t630, label %then8379, label %endif8381
+then8379:
+  %t631 = load ptr, ptr %a1
+  %t632 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t633 = load { ptr, i64, i64 }, ptr %t632
+  %t634 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t635 = load { ptr, i64, i64 }, ptr %t634
+  %t636 = load ptr, ptr %a1
+  %t637 = icmp eq ptr %t636, null
+  br i1 %t637, label %panic8382, label %ok8383
+panic8382:
+  call void @finch_panic(ptr @.str.5430, i64 5119, ptr @.str.5431)
   unreachable
-inrange7953:
-  %t535 = extractvalue { ptr, i64, i64 } %t532, 0
-  %t536 = getelementptr inbounds %S.gen.StructDef, ptr %t535, i64 %t531
-  %t537 = getelementptr inbounds %S.gen.StructDef, ptr %t536, i32 0, i32 5
-  %t538 = load { ptr, i64, i64 }, ptr %t537
-  %t539 = call i64 @finch.gen.findTemplate(ptr %t523, { ptr, i64, i64 } %t525, { ptr, i64, i64 } %t527, { ptr, i64, i64 } %t538, i1 false)
-  store i64 %t539, ptr %a540
-  %t541 = load i64, ptr %a540
-  %t542 = icmp sge i64 %t541, 0
-  br i1 %t542, label %then7954, label %endif7956
-then7954:
-  %t543 = load ptr, ptr %a1
-  %t544 = load i64, ptr %a540
-  %t545 = load ptr, ptr %a1
-  %t546 = icmp eq ptr %t545, null
-  br i1 %t546, label %panic7957, label %ok7958
-panic7957:
-  call void @finch_panic(ptr @.str.5245, i64 4739, ptr @.str.5246)
+ok8383:
+  %t638 = getelementptr inbounds %S.gen.Gen, ptr %t636, i32 0, i32 16
+  %t639 = load i64, ptr %a617
+  %t640 = load { ptr, i64, i64 }, ptr %t638
+  %t641 = extractvalue { ptr, i64, i64 } %t640, 1
+  %t642 = icmp uge i64 %t639, %t641
+  br i1 %t642, label %range8384, label %inrange8385
+range8384:
+  call void @finch_panic_index(ptr @.str.5432, i64 5119, i64 %t639, i64 %t641)
   unreachable
-ok7958:
-  %t547 = getelementptr inbounds %S.gen.Gen, ptr %t545, i32 0, i32 15
-  %t548 = load i64, ptr %a509
-  %t549 = load { ptr, i64, i64 }, ptr %t547
-  %t550 = extractvalue { ptr, i64, i64 } %t549, 1
-  %t551 = icmp uge i64 %t548, %t550
-  br i1 %t551, label %range7959, label %inrange7960
-range7959:
-  call void @finch_panic_index(ptr @.str.5247, i64 4739, i64 %t548, i64 %t550)
+inrange8385:
+  %t643 = extractvalue { ptr, i64, i64 } %t640, 0
+  %t644 = getelementptr inbounds %S.gen.StructDef, ptr %t643, i64 %t639
+  %t645 = getelementptr inbounds %S.gen.StructDef, ptr %t644, i32 0, i32 5
+  %t646 = load { ptr, i64, i64 }, ptr %t645
+  %t647 = call i64 @finch.gen.findTemplate(ptr %t631, { ptr, i64, i64 } %t633, { ptr, i64, i64 } %t635, { ptr, i64, i64 } %t646, i1 false)
+  store i64 %t647, ptr %a648
+  %t649 = load i64, ptr %a648
+  %t650 = icmp sge i64 %t649, 0
+  br i1 %t650, label %then8386, label %endif8388
+then8386:
+  %t651 = load ptr, ptr %a1
+  %t652 = load i64, ptr %a648
+  %t653 = load ptr, ptr %a1
+  %t654 = icmp eq ptr %t653, null
+  br i1 %t654, label %panic8389, label %ok8390
+panic8389:
+  call void @finch_panic(ptr @.str.5433, i64 5121, ptr @.str.5434)
   unreachable
-inrange7960:
-  %t552 = extractvalue { ptr, i64, i64 } %t549, 0
-  %t553 = getelementptr inbounds %S.gen.StructDef, ptr %t552, i64 %t548
-  %t554 = getelementptr inbounds %S.gen.StructDef, ptr %t553, i32 0, i32 7
-  %t555 = load { ptr, i64, i64 }, ptr %t554
-  %t556 = load %S.ast.Type, ptr %a370
-  %t557 = load %S.ast.Node, ptr %a2
-  %t558 = call i64 @finch.gen.instFn(ptr %t543, i64 %t544, { ptr, i64, i64 } %t555, %S.ast.Type %t556, %S.ast.Node %t557)
-  store i64 %t558, ptr %a493
-  br label %endif7956
-endif7956:
-  br label %endif7949
-endif7949:
-  br label %endif7942
-endif7942:
-  %t559 = load i64, ptr %a493
-  %t560 = icmp slt i64 %t559, 0
-  br i1 %t560, label %then7961, label %endif7963
-then7961:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a561
-  %t562 = load ptr, ptr %a1
-  %t563 = icmp eq ptr %t562, null
-  br i1 %t563, label %panic7964, label %ok7965
-panic7964:
-  call void @finch_panic(ptr @.str.5248, i64 4745, ptr @.str.5249)
+ok8390:
+  %t655 = getelementptr inbounds %S.gen.Gen, ptr %t653, i32 0, i32 16
+  %t656 = load i64, ptr %a617
+  %t657 = load { ptr, i64, i64 }, ptr %t655
+  %t658 = extractvalue { ptr, i64, i64 } %t657, 1
+  %t659 = icmp uge i64 %t656, %t658
+  br i1 %t659, label %range8391, label %inrange8392
+range8391:
+  call void @finch_panic_index(ptr @.str.5435, i64 5121, i64 %t656, i64 %t658)
   unreachable
-ok7965:
-  %t564 = getelementptr inbounds %S.gen.Gen, ptr %t562, i32 0, i32 14
-  store i64 0, ptr %a565
-  br label %each.cond7966
-each.cond7966:
-  %t566 = getelementptr inbounds { ptr, i64, i64 }, ptr %t564, i32 0, i32 1
-  %t567 = load i64, ptr %t566
-  %t568 = load i64, ptr %a565
-  %t569 = icmp slt i64 %t568, %t567
-  br i1 %t569, label %each.body7967, label %each.end7969
-each.body7967:
-  %t570 = load ptr, ptr %t564
-  %t571 = getelementptr inbounds %S.gen.FnSig, ptr %t570, i64 %t568
-  %t572 = load %S.gen.FnSig, ptr %t571
-  store %S.gen.FnSig %t572, ptr %a573
-  %t574 = getelementptr inbounds %S.gen.FnSig, ptr %a573, i32 0, i32 2
-  %t575 = load { ptr, i64, i64 }, ptr %t574
-  %t576 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t577 = load { ptr, i64, i64 }, ptr %t576
-  store { ptr, i64, i64 } %t575, ptr %a578
-  store { ptr, i64, i64 } %t577, ptr %a579
-  %t580 = call i32 @finch_str_eq(ptr %a578, ptr %a579)
-  %t581 = icmp ne i32 %t580, 0
-  br label %logic.from7970
-logic.from7970:
-  br i1 %t581, label %logic.rhs7971, label %logic.end7972
-logic.rhs7971:
-  %t582 = getelementptr inbounds %S.gen.FnSig, ptr %a573, i32 0, i32 3
-  %t583 = load { ptr, i64, i64 }, ptr %t582
-  %t584 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 3
-  %t585 = load { ptr, i64, i64 }, ptr %t584
-  store { ptr, i64, i64 } %t583, ptr %a586
-  store { ptr, i64, i64 } %t585, ptr %a587
-  %t588 = call i32 @finch_str_eq(ptr %a586, ptr %a587)
-  %t589 = icmp ne i32 %t588, 0
-  br label %logic.rend7973
-logic.rend7973:
-  br label %logic.end7972
-logic.end7972:
-  %t590 = phi i1 [ false, %logic.from7970 ], [ %t589, %logic.rend7973 ]
-  br i1 %t590, label %then7974, label %endif7976
-then7974:
-  %t591 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  %t592 = getelementptr inbounds %S.gen.FnSig, ptr %a573, i32 0, i32 1
-  %t593 = load { ptr, i64, i64 }, ptr %t592
-  store { ptr, i64, i64 } %t593, ptr %a594
-  call void @finch_str_copy(ptr %a595, ptr %a594)
-  %t596 = load { ptr, i64, i64 }, ptr %a595
-  %t597 = load i64, ptr %t591
-  %t598 = add i64 %t597, 1
-  call void @finch_arr_reserve(ptr %a561, i64 %t598, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t599 = load ptr, ptr %a561
-  %t600 = getelementptr inbounds { ptr, i64, i64 }, ptr %t599, i64 %t597
-  store { ptr, i64, i64 } %t596, ptr %t600
-  store i64 %t598, ptr %t591
-  br label %endif7976
-endif7976:
-  br label %each.step7968
-each.step7968:
-  %t601 = load i64, ptr %a565
-  %t602 = add i64 %t601, 1
-  store i64 %t602, ptr %a565
-  br label %each.cond7966
-each.end7969:
-  %t603 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  %t604 = load i64, ptr %t603
-  %t605 = icmp eq i64 %t604, 0
-  br i1 %t605, label %then7977, label %endif7979
-then7977:
-  %t606 = load ptr, ptr %a1
-  %t607 = load %S.ast.Node, ptr %a2
-  %t608 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t609 = load { ptr, i64, i64 }, ptr %t608
-  store { ptr, i64, i64 } { ptr @.str.5250, i64 4, i64 0 }, ptr %a611
-  store { ptr, i64, i64 } %t609, ptr %a612
-  call void @finch_str_concat(ptr %a610, ptr %a611, ptr %a612)
-  %t613 = load { ptr, i64, i64 }, ptr %a610
-  store { ptr, i64, i64 } %t613, ptr %a615
-  store { ptr, i64, i64 } { ptr @.str.5251, i64 1, i64 0 }, ptr %a616
-  call void @finch_str_concat(ptr %a614, ptr %a615, ptr %a616)
-  %t617 = load { ptr, i64, i64 }, ptr %a614
-  %t618 = load %S.ast.Type, ptr %a370
-  %t619 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t618)
-  store { ptr, i64, i64 } %t617, ptr %a621
-  store { ptr, i64, i64 } %t619, ptr %a622
-  call void @finch_str_concat(ptr %a620, ptr %a621, ptr %a622)
-  %t623 = load { ptr, i64, i64 }, ptr %a620
-  store { ptr, i64, i64 } %t623, ptr %a625
-  store { ptr, i64, i64 } { ptr @.str.5252, i64 34, i64 0 }, ptr %a626
-  call void @finch_str_concat(ptr %a624, ptr %a625, ptr %a626)
-  %t627 = load { ptr, i64, i64 }, ptr %a624
-  %t628 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 2
-  %t629 = load { ptr, i64, i64 }, ptr %t628
-  store { ptr, i64, i64 } %t627, ptr %a631
-  store { ptr, i64, i64 } %t629, ptr %a632
-  call void @finch_str_concat(ptr %a630, ptr %a631, ptr %a632)
-  %t633 = load { ptr, i64, i64 }, ptr %a630
-  store { ptr, i64, i64 } %t633, ptr %a635
-  store { ptr, i64, i64 } { ptr @.str.5253, i64 1, i64 0 }, ptr %a636
-  call void @finch_str_concat(ptr %a634, ptr %a635, ptr %a636)
-  %t637 = load { ptr, i64, i64 }, ptr %a634
-  %t638 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t639 = load { ptr, i64, i64 }, ptr %t638
-  store { ptr, i64, i64 } %t637, ptr %a641
-  store { ptr, i64, i64 } %t639, ptr %a642
-  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
-  %t643 = load { ptr, i64, i64 }, ptr %a640
-  store { ptr, i64, i64 } %t643, ptr %a645
-  store { ptr, i64, i64 } { ptr @.str.5254, i64 13, i64 0 }, ptr %a646
-  call void @finch_str_concat(ptr %a644, ptr %a645, ptr %a646)
-  %t647 = load { ptr, i64, i64 }, ptr %a644
-  call void @finch.gen.fail(ptr %t606, %S.ast.Node %t607, { ptr, i64, i64 } %t647)
-  br label %endif7979
-endif7979:
-  %t648 = load ptr, ptr %a1
-  %t649 = load %S.ast.Node, ptr %a2
-  %t650 = getelementptr inbounds %S.ast.Type, ptr %a370, i32 0, i32 0
-  %t651 = load { ptr, i64, i64 }, ptr %t650
-  store { ptr, i64, i64 } { ptr @.str.5255, i64 4, i64 0 }, ptr %a653
-  store { ptr, i64, i64 } %t651, ptr %a654
-  call void @finch_str_concat(ptr %a652, ptr %a653, ptr %a654)
-  %t655 = load { ptr, i64, i64 }, ptr %a652
-  store { ptr, i64, i64 } %t655, ptr %a657
-  store { ptr, i64, i64 } { ptr @.str.5256, i64 1, i64 0 }, ptr %a658
-  call void @finch_str_concat(ptr %a656, ptr %a657, ptr %a658)
-  %t659 = load { ptr, i64, i64 }, ptr %a656
-  %t660 = load %S.ast.Type, ptr %a370
-  %t661 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t660)
-  store { ptr, i64, i64 } %t659, ptr %a663
-  store { ptr, i64, i64 } %t661, ptr %a664
-  call void @finch_str_concat(ptr %a662, ptr %a663, ptr %a664)
-  %t665 = load { ptr, i64, i64 }, ptr %a662
-  store { ptr, i64, i64 } %t665, ptr %a667
-  store { ptr, i64, i64 } { ptr @.str.5257, i64 16, i64 0 }, ptr %a668
-  call void @finch_str_concat(ptr %a666, ptr %a667, ptr %a668)
-  %t669 = load { ptr, i64, i64 }, ptr %a666
-  %t670 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t671 = load { ptr, i64, i64 }, ptr %t670
-  store { ptr, i64, i64 } %t669, ptr %a673
-  store { ptr, i64, i64 } %t671, ptr %a674
-  call void @finch_str_concat(ptr %a672, ptr %a673, ptr %a674)
-  %t675 = load { ptr, i64, i64 }, ptr %a672
-  store { ptr, i64, i64 } %t675, ptr %a677
-  store { ptr, i64, i64 } { ptr @.str.5258, i64 11, i64 0 }, ptr %a678
-  call void @finch_str_concat(ptr %a676, ptr %a677, ptr %a678)
-  %t679 = load { ptr, i64, i64 }, ptr %a676
-  %t680 = getelementptr inbounds { ptr, i64, i64 }, ptr %a561, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5259, i64 2, i64 0 }, ptr %a681
-  call void @finch_str_join(ptr %a682, ptr %a561, ptr %a681)
-  %t683 = load { ptr, i64, i64 }, ptr %a682
-  store { ptr, i64, i64 } %t679, ptr %a685
+inrange8392:
+  %t660 = extractvalue { ptr, i64, i64 } %t657, 0
+  %t661 = getelementptr inbounds %S.gen.StructDef, ptr %t660, i64 %t656
+  %t662 = getelementptr inbounds %S.gen.StructDef, ptr %t661, i32 0, i32 7
+  %t663 = load { ptr, i64, i64 }, ptr %t662
+  %t664 = load %S.ast.Type, ptr %a462
+  %t665 = load %S.ast.Node, ptr %a2
+  %t666 = call i64 @finch.gen.instFn(ptr %t651, i64 %t652, { ptr, i64, i64 } %t663, %S.ast.Type %t664, %S.ast.Node %t665)
+  store i64 %t666, ptr %a601
+  br label %endif8388
+endif8388:
+  br label %endif8381
+endif8381:
+  br label %endif8374
+endif8374:
+  %t667 = load i64, ptr %a601
+  %t668 = icmp slt i64 %t667, 0
+  br i1 %t668, label %then8393, label %endif8395
+then8393:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a669
+  %t670 = load ptr, ptr %a1
+  %t671 = icmp eq ptr %t670, null
+  br i1 %t671, label %panic8396, label %ok8397
+panic8396:
+  call void @finch_panic(ptr @.str.5436, i64 5127, ptr @.str.5437)
+  unreachable
+ok8397:
+  %t672 = getelementptr inbounds %S.gen.Gen, ptr %t670, i32 0, i32 15
+  store i64 0, ptr %a673
+  br label %each.cond8398
+each.cond8398:
+  %t674 = getelementptr inbounds { ptr, i64, i64 }, ptr %t672, i32 0, i32 1
+  %t675 = load i64, ptr %t674
+  %t676 = load i64, ptr %a673
+  %t677 = icmp slt i64 %t676, %t675
+  br i1 %t677, label %each.body8399, label %each.end8401
+each.body8399:
+  %t678 = load ptr, ptr %t672
+  %t679 = getelementptr inbounds %S.gen.FnSig, ptr %t678, i64 %t676
+  %t680 = load %S.gen.FnSig, ptr %t679
+  store %S.gen.FnSig %t680, ptr %a681
+  %t682 = getelementptr inbounds %S.gen.FnSig, ptr %a681, i32 0, i32 2
+  %t683 = load { ptr, i64, i64 }, ptr %t682
+  %t684 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t685 = load { ptr, i64, i64 }, ptr %t684
   store { ptr, i64, i64 } %t683, ptr %a686
-  call void @finch_str_concat(ptr %a684, ptr %a685, ptr %a686)
-  %t687 = load { ptr, i64, i64 }, ptr %a684
-  store { ptr, i64, i64 } %t687, ptr %a689
-  store { ptr, i64, i64 } { ptr @.str.5260, i64 1, i64 0 }, ptr %a690
-  call void @finch_str_concat(ptr %a688, ptr %a689, ptr %a690)
-  %t691 = load { ptr, i64, i64 }, ptr %a688
-  call void @finch.gen.fail(ptr %t648, %S.ast.Node %t649, { ptr, i64, i64 } %t691)
-  br label %endif7963
-endif7963:
-  %t692 = load ptr, ptr %a1
-  %t693 = icmp eq ptr %t692, null
-  br i1 %t693, label %panic7980, label %ok7981
-panic7980:
-  call void @finch_panic(ptr @.str.5261, i64 4756, ptr @.str.5262)
+  store { ptr, i64, i64 } %t685, ptr %a687
+  %t688 = call i32 @finch_str_eq(ptr %a686, ptr %a687)
+  %t689 = icmp ne i32 %t688, 0
+  br label %logic.from8402
+logic.from8402:
+  br i1 %t689, label %logic.rhs8403, label %logic.end8404
+logic.rhs8403:
+  %t690 = getelementptr inbounds %S.gen.FnSig, ptr %a681, i32 0, i32 3
+  %t691 = load { ptr, i64, i64 }, ptr %t690
+  %t692 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 3
+  %t693 = load { ptr, i64, i64 }, ptr %t692
+  store { ptr, i64, i64 } %t691, ptr %a694
+  store { ptr, i64, i64 } %t693, ptr %a695
+  %t696 = call i32 @finch_str_eq(ptr %a694, ptr %a695)
+  %t697 = icmp ne i32 %t696, 0
+  br label %logic.rend8405
+logic.rend8405:
+  br label %logic.end8404
+logic.end8404:
+  %t698 = phi i1 [ false, %logic.from8402 ], [ %t697, %logic.rend8405 ]
+  br i1 %t698, label %then8406, label %endif8408
+then8406:
+  %t699 = getelementptr inbounds { ptr, i64, i64 }, ptr %a669, i32 0, i32 1
+  %t700 = getelementptr inbounds %S.gen.FnSig, ptr %a681, i32 0, i32 1
+  %t701 = load { ptr, i64, i64 }, ptr %t700
+  store { ptr, i64, i64 } %t701, ptr %a702
+  call void @finch_str_copy(ptr %a703, ptr %a702)
+  %t704 = load { ptr, i64, i64 }, ptr %a703
+  %t705 = load i64, ptr %t699
+  %t706 = add i64 %t705, 1
+  call void @finch_arr_reserve(ptr %a669, i64 %t706, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t707 = load ptr, ptr %a669
+  %t708 = getelementptr inbounds { ptr, i64, i64 }, ptr %t707, i64 %t705
+  store { ptr, i64, i64 } %t704, ptr %t708
+  store i64 %t706, ptr %t699
+  br label %endif8408
+endif8408:
+  br label %each.step8400
+each.step8400:
+  %t709 = load i64, ptr %a673
+  %t710 = add i64 %t709, 1
+  store i64 %t710, ptr %a673
+  br label %each.cond8398
+each.end8401:
+  %t711 = getelementptr inbounds { ptr, i64, i64 }, ptr %a669, i32 0, i32 1
+  %t712 = load i64, ptr %t711
+  %t713 = icmp eq i64 %t712, 0
+  br i1 %t713, label %then8409, label %endif8411
+then8409:
+  %t714 = load ptr, ptr %a1
+  %t715 = load %S.ast.Node, ptr %a2
+  %t716 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t717 = load { ptr, i64, i64 }, ptr %t716
+  store { ptr, i64, i64 } { ptr @.str.5438, i64 4, i64 0 }, ptr %a719
+  store { ptr, i64, i64 } %t717, ptr %a720
+  call void @finch_str_concat(ptr %a718, ptr %a719, ptr %a720)
+  %t721 = load { ptr, i64, i64 }, ptr %a718
+  store { ptr, i64, i64 } %t721, ptr %a723
+  store { ptr, i64, i64 } { ptr @.str.5439, i64 1, i64 0 }, ptr %a724
+  call void @finch_str_concat(ptr %a722, ptr %a723, ptr %a724)
+  store { ptr, i64, i64 } %t721, ptr %a725
+  call void @finch_str_drop(ptr %a725)
+  %t726 = load { ptr, i64, i64 }, ptr %a722
+  %t727 = load %S.ast.Type, ptr %a462
+  %t728 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t727)
+  store { ptr, i64, i64 } %t726, ptr %a730
+  store { ptr, i64, i64 } %t728, ptr %a731
+  call void @finch_str_concat(ptr %a729, ptr %a730, ptr %a731)
+  store { ptr, i64, i64 } %t726, ptr %a732
+  call void @finch_str_drop(ptr %a732)
+  store { ptr, i64, i64 } %t728, ptr %a733
+  call void @finch_str_drop(ptr %a733)
+  %t734 = load { ptr, i64, i64 }, ptr %a729
+  store { ptr, i64, i64 } %t734, ptr %a736
+  store { ptr, i64, i64 } { ptr @.str.5440, i64 34, i64 0 }, ptr %a737
+  call void @finch_str_concat(ptr %a735, ptr %a736, ptr %a737)
+  store { ptr, i64, i64 } %t734, ptr %a738
+  call void @finch_str_drop(ptr %a738)
+  %t739 = load { ptr, i64, i64 }, ptr %a735
+  %t740 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 2
+  %t741 = load { ptr, i64, i64 }, ptr %t740
+  store { ptr, i64, i64 } %t739, ptr %a743
+  store { ptr, i64, i64 } %t741, ptr %a744
+  call void @finch_str_concat(ptr %a742, ptr %a743, ptr %a744)
+  store { ptr, i64, i64 } %t739, ptr %a745
+  call void @finch_str_drop(ptr %a745)
+  %t746 = load { ptr, i64, i64 }, ptr %a742
+  store { ptr, i64, i64 } %t746, ptr %a748
+  store { ptr, i64, i64 } { ptr @.str.5441, i64 1, i64 0 }, ptr %a749
+  call void @finch_str_concat(ptr %a747, ptr %a748, ptr %a749)
+  store { ptr, i64, i64 } %t746, ptr %a750
+  call void @finch_str_drop(ptr %a750)
+  %t751 = load { ptr, i64, i64 }, ptr %a747
+  %t752 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t753 = load { ptr, i64, i64 }, ptr %t752
+  store { ptr, i64, i64 } %t751, ptr %a755
+  store { ptr, i64, i64 } %t753, ptr %a756
+  call void @finch_str_concat(ptr %a754, ptr %a755, ptr %a756)
+  store { ptr, i64, i64 } %t751, ptr %a757
+  call void @finch_str_drop(ptr %a757)
+  %t758 = load { ptr, i64, i64 }, ptr %a754
+  store { ptr, i64, i64 } %t758, ptr %a760
+  store { ptr, i64, i64 } { ptr @.str.5442, i64 13, i64 0 }, ptr %a761
+  call void @finch_str_concat(ptr %a759, ptr %a760, ptr %a761)
+  store { ptr, i64, i64 } %t758, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = load { ptr, i64, i64 }, ptr %a759
+  call void @finch.gen.fail(ptr %t714, %S.ast.Node %t715, { ptr, i64, i64 } %t763)
+  store { ptr, i64, i64 } %t763, ptr %a764
+  call void @finch_str_drop(ptr %a764)
+  br label %endif8411
+endif8411:
+  %t765 = load ptr, ptr %a1
+  %t766 = load %S.ast.Node, ptr %a2
+  %t767 = getelementptr inbounds %S.ast.Type, ptr %a462, i32 0, i32 0
+  %t768 = load { ptr, i64, i64 }, ptr %t767
+  store { ptr, i64, i64 } { ptr @.str.5443, i64 4, i64 0 }, ptr %a770
+  store { ptr, i64, i64 } %t768, ptr %a771
+  call void @finch_str_concat(ptr %a769, ptr %a770, ptr %a771)
+  %t772 = load { ptr, i64, i64 }, ptr %a769
+  store { ptr, i64, i64 } %t772, ptr %a774
+  store { ptr, i64, i64 } { ptr @.str.5444, i64 1, i64 0 }, ptr %a775
+  call void @finch_str_concat(ptr %a773, ptr %a774, ptr %a775)
+  store { ptr, i64, i64 } %t772, ptr %a776
+  call void @finch_str_drop(ptr %a776)
+  %t777 = load { ptr, i64, i64 }, ptr %a773
+  %t778 = load %S.ast.Type, ptr %a462
+  %t779 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t778)
+  store { ptr, i64, i64 } %t777, ptr %a781
+  store { ptr, i64, i64 } %t779, ptr %a782
+  call void @finch_str_concat(ptr %a780, ptr %a781, ptr %a782)
+  store { ptr, i64, i64 } %t777, ptr %a783
+  call void @finch_str_drop(ptr %a783)
+  store { ptr, i64, i64 } %t779, ptr %a784
+  call void @finch_str_drop(ptr %a784)
+  %t785 = load { ptr, i64, i64 }, ptr %a780
+  store { ptr, i64, i64 } %t785, ptr %a787
+  store { ptr, i64, i64 } { ptr @.str.5445, i64 16, i64 0 }, ptr %a788
+  call void @finch_str_concat(ptr %a786, ptr %a787, ptr %a788)
+  store { ptr, i64, i64 } %t785, ptr %a789
+  call void @finch_str_drop(ptr %a789)
+  %t790 = load { ptr, i64, i64 }, ptr %a786
+  %t791 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t792 = load { ptr, i64, i64 }, ptr %t791
+  store { ptr, i64, i64 } %t790, ptr %a794
+  store { ptr, i64, i64 } %t792, ptr %a795
+  call void @finch_str_concat(ptr %a793, ptr %a794, ptr %a795)
+  store { ptr, i64, i64 } %t790, ptr %a796
+  call void @finch_str_drop(ptr %a796)
+  %t797 = load { ptr, i64, i64 }, ptr %a793
+  store { ptr, i64, i64 } %t797, ptr %a799
+  store { ptr, i64, i64 } { ptr @.str.5446, i64 11, i64 0 }, ptr %a800
+  call void @finch_str_concat(ptr %a798, ptr %a799, ptr %a800)
+  store { ptr, i64, i64 } %t797, ptr %a801
+  call void @finch_str_drop(ptr %a801)
+  %t802 = load { ptr, i64, i64 }, ptr %a798
+  %t803 = getelementptr inbounds { ptr, i64, i64 }, ptr %a669, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5447, i64 2, i64 0 }, ptr %a804
+  call void @finch_str_join(ptr %a805, ptr %a669, ptr %a804)
+  %t806 = load { ptr, i64, i64 }, ptr %a805
+  store { ptr, i64, i64 } %t802, ptr %a808
+  store { ptr, i64, i64 } %t806, ptr %a809
+  call void @finch_str_concat(ptr %a807, ptr %a808, ptr %a809)
+  store { ptr, i64, i64 } %t802, ptr %a810
+  call void @finch_str_drop(ptr %a810)
+  store { ptr, i64, i64 } %t806, ptr %a811
+  call void @finch_str_drop(ptr %a811)
+  %t812 = load { ptr, i64, i64 }, ptr %a807
+  store { ptr, i64, i64 } %t812, ptr %a814
+  store { ptr, i64, i64 } { ptr @.str.5448, i64 1, i64 0 }, ptr %a815
+  call void @finch_str_concat(ptr %a813, ptr %a814, ptr %a815)
+  store { ptr, i64, i64 } %t812, ptr %a816
+  call void @finch_str_drop(ptr %a816)
+  %t817 = load { ptr, i64, i64 }, ptr %a813
+  call void @finch.gen.fail(ptr %t765, %S.ast.Node %t766, { ptr, i64, i64 } %t817)
+  store { ptr, i64, i64 } %t817, ptr %a818
+  call void @finch_str_drop(ptr %a818)
+  call void @finch.drop.arr_str(ptr %a669)
+  br label %endif8395
+endif8395:
+  %t819 = load ptr, ptr %a1
+  %t820 = icmp eq ptr %t819, null
+  br i1 %t820, label %panic8412, label %ok8413
+panic8412:
+  call void @finch_panic(ptr @.str.5449, i64 5138, ptr @.str.5450)
   unreachable
-ok7981:
-  %t694 = getelementptr inbounds %S.gen.Gen, ptr %t692, i32 0, i32 14
-  %t695 = load i64, ptr %a493
-  %t696 = load { ptr, i64, i64 }, ptr %t694
-  %t697 = extractvalue { ptr, i64, i64 } %t696, 1
-  %t698 = icmp uge i64 %t695, %t697
-  br i1 %t698, label %range7982, label %inrange7983
-range7982:
-  call void @finch_panic_index(ptr @.str.5263, i64 4756, i64 %t695, i64 %t697)
+ok8413:
+  %t821 = getelementptr inbounds %S.gen.Gen, ptr %t819, i32 0, i32 15
+  %t822 = load i64, ptr %a601
+  %t823 = load { ptr, i64, i64 }, ptr %t821
+  %t824 = extractvalue { ptr, i64, i64 } %t823, 1
+  %t825 = icmp uge i64 %t822, %t824
+  br i1 %t825, label %range8414, label %inrange8415
+range8414:
+  call void @finch_panic_index(ptr @.str.5451, i64 5138, i64 %t822, i64 %t824)
   unreachable
-inrange7983:
-  %t699 = extractvalue { ptr, i64, i64 } %t696, 0
-  %t700 = getelementptr inbounds %S.gen.FnSig, ptr %t699, i64 %t695
-  %t701 = getelementptr inbounds %S.gen.FnSig, ptr %t700, i32 0, i32 10
-  %t702 = load i1, ptr %t701
-  br label %logic.from7984
-logic.from7984:
-  br i1 %t702, label %logic.rhs7985, label %logic.end7986
-logic.rhs7985:
-  %t703 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t704 = load { ptr, i64, i64 }, ptr %t703
-  store { ptr, i64, i64 } %t704, ptr %a705
-  store { ptr, i64, i64 } { ptr @.str.5264, i64 6, i64 0 }, ptr %a706
-  %t707 = call i32 @finch_str_eq(ptr %a705, ptr %a706)
-  %t708 = icmp ne i32 %t707, 0
-  br label %logic.from7987
-logic.from7987:
-  br i1 %t708, label %logic.end7989, label %logic.rhs7988
-logic.rhs7988:
-  %t709 = getelementptr inbounds %S.ast.Type, ptr %a217, i32 0, i32 0
-  %t710 = load { ptr, i64, i64 }, ptr %t709
-  store { ptr, i64, i64 } %t710, ptr %a711
-  store { ptr, i64, i64 } { ptr @.str.5265, i64 4, i64 0 }, ptr %a712
-  %t713 = call i32 @finch_str_eq(ptr %a711, ptr %a712)
-  %t714 = icmp ne i32 %t713, 0
-  br label %logic.rend7990
-logic.rend7990:
-  br label %logic.end7989
-logic.end7989:
-  %t715 = phi i1 [ true, %logic.from7987 ], [ %t714, %logic.rend7990 ]
-  br label %logic.rend7991
-logic.rend7991:
-  br label %logic.end7986
-logic.end7986:
-  %t716 = phi i1 [ false, %logic.from7984 ], [ %t715, %logic.rend7991 ]
-  br i1 %t716, label %then7992, label %endif7994
-then7992:
-  %t717 = getelementptr inbounds %S.gen.Ref, ptr %a210, i32 0, i32 0
-  %t718 = load i1, ptr %t717
-  %t719 = xor i1 %t718, true
-  br i1 %t719, label %then7995, label %endif7997
-then7995:
-  %t720 = load ptr, ptr %a1
-  %t721 = load %S.ast.Node, ptr %a2
-  %t722 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t723 = load { ptr, i64, i64 }, ptr %t722
-  store { ptr, i64, i64 } %t723, ptr %a725
-  store { ptr, i64, i64 } { ptr @.str.5266, i64 28, i64 0 }, ptr %a726
-  call void @finch_str_concat(ptr %a724, ptr %a725, ptr %a726)
-  %t727 = load { ptr, i64, i64 }, ptr %a724
-  %t728 = load %S.ast.Type, ptr %a370
-  %t729 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t728)
-  store { ptr, i64, i64 } %t727, ptr %a731
-  store { ptr, i64, i64 } %t729, ptr %a732
-  call void @finch_str_concat(ptr %a730, ptr %a731, ptr %a732)
-  %t733 = load { ptr, i64, i64 }, ptr %a730
-  store { ptr, i64, i64 } %t733, ptr %a735
-  store { ptr, i64, i64 } { ptr @.str.5267, i64 30, i64 0 }, ptr %a736
-  call void @finch_str_concat(ptr %a734, ptr %a735, ptr %a736)
-  %t737 = load { ptr, i64, i64 }, ptr %a734
-  call void @finch.gen.fail(ptr %t720, %S.ast.Node %t721, { ptr, i64, i64 } %t737)
-  br label %endif7997
-endif7997:
-  %t738 = load %S.ast.Node, ptr %a13
-  %t739 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t738)
-  store { ptr, i64, i64 } %t739, ptr %a740
-  %t741 = getelementptr inbounds { ptr, i64, i64 }, ptr %a740, i32 0, i32 1
-  %t742 = load i64, ptr %t741
-  %t743 = icmp sgt i64 %t742, 0
-  br i1 %t743, label %then7998, label %endif8000
-then7998:
-  %t744 = load ptr, ptr %a1
-  %t745 = load { ptr, i64, i64 }, ptr %a740
-  %t746 = call i64 @finch.gen.lookup(ptr %t744, { ptr, i64, i64 } %t745)
-  store i64 %t746, ptr %a747
-  %t748 = load i64, ptr %a747
-  %t749 = icmp sge i64 %t748, 0
-  br label %logic.from8001
-logic.from8001:
-  br i1 %t749, label %logic.rhs8002, label %logic.end8003
-logic.rhs8002:
-  %t750 = load ptr, ptr %a1
-  %t751 = load i64, ptr %a747
-  %t752 = call %S.gen.Var @finch.gen.varAt(ptr %t750, i64 %t751)
-  %t753 = extractvalue %S.gen.Var %t752, 3
-  br label %logic.rend8004
-logic.rend8004:
-  br label %logic.end8003
-logic.end8003:
-  %t754 = phi i1 [ false, %logic.from8001 ], [ %t753, %logic.rend8004 ]
-  br i1 %t754, label %then8005, label %endif8007
-then8005:
-  %t755 = load ptr, ptr %a1
-  %t756 = load %S.ast.Node, ptr %a2
-  %t757 = load { ptr, i64, i64 }, ptr %a740
-  store { ptr, i64, i64 } { ptr @.str.5268, i64 19, i64 0 }, ptr %a759
-  store { ptr, i64, i64 } %t757, ptr %a760
-  call void @finch_str_concat(ptr %a758, ptr %a759, ptr %a760)
-  %t761 = load { ptr, i64, i64 }, ptr %a758
-  store { ptr, i64, i64 } %t761, ptr %a763
-  store { ptr, i64, i64 } { ptr @.str.5269, i64 18, i64 0 }, ptr %a764
-  call void @finch_str_concat(ptr %a762, ptr %a763, ptr %a764)
-  %t765 = load { ptr, i64, i64 }, ptr %a762
-  call void @finch.gen.fail(ptr %t755, %S.ast.Node %t756, { ptr, i64, i64 } %t765)
-  br label %endif8007
-endif8007:
-  br label %endif8000
-endif8000:
-  br label %endif7994
-endif7994:
-  %t766 = load ptr, ptr %a1
-  %t767 = load i64, ptr %a493
-  %t768 = load %S.ast.Node, ptr %a2
-  %t769 = load %S.ast.Type, ptr %a370
-  %t770 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t769)
-  store { ptr, i64, i64 } %t770, ptr %a772
-  store { ptr, i64, i64 } { ptr @.str.5270, i64 1, i64 0 }, ptr %a773
-  call void @finch_str_concat(ptr %a771, ptr %a772, ptr %a773)
-  %t774 = load { ptr, i64, i64 }, ptr %a771
-  %t775 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
-  %t776 = load { ptr, i64, i64 }, ptr %t775
-  store { ptr, i64, i64 } %t774, ptr %a778
-  store { ptr, i64, i64 } %t776, ptr %a779
-  call void @finch_str_concat(ptr %a777, ptr %a778, ptr %a779)
-  %t780 = load { ptr, i64, i64 }, ptr %a777
-  %t781 = load { ptr, i64, i64 }, ptr %a371
-  %t782 = load %S.ast.Node, ptr %a13
-  %t783 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t782)
-  %t784 = call %S.gen.Val @finch.gen.callFn(ptr %t766, i64 %t767, %S.ast.Node %t768, i64 1, { ptr, i64, i64 } %t780, { ptr, i64, i64 } %t781, { ptr, i64, i64 } %t783)
-  ret %S.gen.Val %t784
-endif7935:
-  %t785 = load ptr, ptr %a1
-  %t786 = load %S.ast.Node, ptr %a2
-  %t787 = load %S.ast.Type, ptr %a217
-  %t788 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t787)
-  store { ptr, i64, i64 } %t788, ptr %a790
-  store { ptr, i64, i64 } { ptr @.str.5271, i64 15, i64 0 }, ptr %a791
-  call void @finch_str_concat(ptr %a789, ptr %a790, ptr %a791)
-  %t792 = load { ptr, i64, i64 }, ptr %a789
-  call void @finch.gen.fail(ptr %t785, %S.ast.Node %t786, { ptr, i64, i64 } %t792)
+inrange8415:
+  %t826 = extractvalue { ptr, i64, i64 } %t823, 0
+  %t827 = getelementptr inbounds %S.gen.FnSig, ptr %t826, i64 %t822
+  %t828 = getelementptr inbounds %S.gen.FnSig, ptr %t827, i32 0, i32 10
+  %t829 = load i1, ptr %t828
+  br label %logic.from8416
+logic.from8416:
+  br i1 %t829, label %logic.rhs8417, label %logic.end8418
+logic.rhs8417:
+  %t830 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t831 = load { ptr, i64, i64 }, ptr %t830
+  store { ptr, i64, i64 } %t831, ptr %a832
+  store { ptr, i64, i64 } { ptr @.str.5452, i64 6, i64 0 }, ptr %a833
+  %t834 = call i32 @finch_str_eq(ptr %a832, ptr %a833)
+  %t835 = icmp ne i32 %t834, 0
+  br label %logic.from8419
+logic.from8419:
+  br i1 %t835, label %logic.end8421, label %logic.rhs8420
+logic.rhs8420:
+  %t836 = getelementptr inbounds %S.ast.Type, ptr %a235, i32 0, i32 0
+  %t837 = load { ptr, i64, i64 }, ptr %t836
+  store { ptr, i64, i64 } %t837, ptr %a838
+  store { ptr, i64, i64 } { ptr @.str.5453, i64 4, i64 0 }, ptr %a839
+  %t840 = call i32 @finch_str_eq(ptr %a838, ptr %a839)
+  %t841 = icmp ne i32 %t840, 0
+  br label %logic.rend8422
+logic.rend8422:
+  br label %logic.end8421
+logic.end8421:
+  %t842 = phi i1 [ true, %logic.from8419 ], [ %t841, %logic.rend8422 ]
+  br label %logic.rend8423
+logic.rend8423:
+  br label %logic.end8418
+logic.end8418:
+  %t843 = phi i1 [ false, %logic.from8416 ], [ %t842, %logic.rend8423 ]
+  br i1 %t843, label %then8424, label %endif8426
+then8424:
+  %t844 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 0
+  %t845 = load i1, ptr %t844
+  %t846 = xor i1 %t845, true
+  br i1 %t846, label %then8427, label %endif8429
+then8427:
+  %t847 = load ptr, ptr %a1
+  %t848 = load %S.ast.Node, ptr %a2
+  %t849 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t850 = load { ptr, i64, i64 }, ptr %t849
+  store { ptr, i64, i64 } %t850, ptr %a852
+  store { ptr, i64, i64 } { ptr @.str.5454, i64 28, i64 0 }, ptr %a853
+  call void @finch_str_concat(ptr %a851, ptr %a852, ptr %a853)
+  %t854 = load { ptr, i64, i64 }, ptr %a851
+  %t855 = load %S.ast.Type, ptr %a462
+  %t856 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t855)
+  store { ptr, i64, i64 } %t854, ptr %a858
+  store { ptr, i64, i64 } %t856, ptr %a859
+  call void @finch_str_concat(ptr %a857, ptr %a858, ptr %a859)
+  store { ptr, i64, i64 } %t854, ptr %a860
+  call void @finch_str_drop(ptr %a860)
+  store { ptr, i64, i64 } %t856, ptr %a861
+  call void @finch_str_drop(ptr %a861)
+  %t862 = load { ptr, i64, i64 }, ptr %a857
+  store { ptr, i64, i64 } %t862, ptr %a864
+  store { ptr, i64, i64 } { ptr @.str.5455, i64 30, i64 0 }, ptr %a865
+  call void @finch_str_concat(ptr %a863, ptr %a864, ptr %a865)
+  store { ptr, i64, i64 } %t862, ptr %a866
+  call void @finch_str_drop(ptr %a866)
+  %t867 = load { ptr, i64, i64 }, ptr %a863
+  call void @finch.gen.fail(ptr %t847, %S.ast.Node %t848, { ptr, i64, i64 } %t867)
+  store { ptr, i64, i64 } %t867, ptr %a868
+  call void @finch_str_drop(ptr %a868)
+  br label %endif8429
+endif8429:
+  %t869 = load %S.ast.Node, ptr %a13
+  %t870 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t869)
+  store { ptr, i64, i64 } %t870, ptr %a871
+  %t872 = getelementptr inbounds { ptr, i64, i64 }, ptr %a871, i32 0, i32 1
+  %t873 = load i64, ptr %t872
+  %t874 = icmp sgt i64 %t873, 0
+  br i1 %t874, label %then8430, label %endif8432
+then8430:
+  %t875 = load ptr, ptr %a1
+  %t876 = load { ptr, i64, i64 }, ptr %a871
+  %t877 = call i64 @finch.gen.lookup(ptr %t875, { ptr, i64, i64 } %t876)
+  store i64 %t877, ptr %a878
+  %t879 = load i64, ptr %a878
+  %t880 = icmp sge i64 %t879, 0
+  br label %logic.from8433
+logic.from8433:
+  br i1 %t880, label %logic.rhs8434, label %logic.end8435
+logic.rhs8434:
+  %t881 = load ptr, ptr %a1
+  %t882 = load i64, ptr %a878
+  %t883 = call %S.gen.Var @finch.gen.varAt(ptr %t881, i64 %t882)
+  %t884 = extractvalue %S.gen.Var %t883, 3
+  store %S.gen.Var %t883, ptr %a885
+  call void @finch.drop.S_gen_Var(ptr %a885)
+  br label %logic.rend8436
+logic.rend8436:
+  br label %logic.end8435
+logic.end8435:
+  %t886 = phi i1 [ false, %logic.from8433 ], [ %t884, %logic.rend8436 ]
+  br i1 %t886, label %then8437, label %endif8439
+then8437:
+  %t887 = load ptr, ptr %a1
+  %t888 = load %S.ast.Node, ptr %a2
+  %t889 = load { ptr, i64, i64 }, ptr %a871
+  store { ptr, i64, i64 } { ptr @.str.5456, i64 19, i64 0 }, ptr %a891
+  store { ptr, i64, i64 } %t889, ptr %a892
+  call void @finch_str_concat(ptr %a890, ptr %a891, ptr %a892)
+  %t893 = load { ptr, i64, i64 }, ptr %a890
+  store { ptr, i64, i64 } %t893, ptr %a895
+  store { ptr, i64, i64 } { ptr @.str.5457, i64 18, i64 0 }, ptr %a896
+  call void @finch_str_concat(ptr %a894, ptr %a895, ptr %a896)
+  store { ptr, i64, i64 } %t893, ptr %a897
+  call void @finch_str_drop(ptr %a897)
+  %t898 = load { ptr, i64, i64 }, ptr %a894
+  call void @finch.gen.fail(ptr %t887, %S.ast.Node %t888, { ptr, i64, i64 } %t898)
+  store { ptr, i64, i64 } %t898, ptr %a899
+  call void @finch_str_drop(ptr %a899)
+  br label %endif8439
+endif8439:
+  br label %endif8432
+endif8432:
+  call void @finch_str_drop(ptr %a871)
+  br label %endif8426
+endif8426:
+  %t900 = load i1, ptr %a464
+  br label %logic.from8440
+logic.from8440:
+  br i1 %t900, label %logic.rhs8441, label %logic.end8442
+logic.rhs8441:
+  %t901 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t902 = getelementptr inbounds %S.gen.Val, ptr %t901, i32 0, i32 2
+  %t903 = load i1, ptr %t902
+  br label %logic.rend8443
+logic.rend8443:
+  br label %logic.end8442
+logic.end8442:
+  %t904 = phi i1 [ false, %logic.from8440 ], [ %t903, %logic.rend8443 ]
+  br i1 %t904, label %then8444, label %endif8446
+then8444:
+  %t905 = load ptr, ptr %a1
+  %t906 = load { ptr, i64, i64 }, ptr %a463
+  %t907 = load %S.ast.Type, ptr %a462
+  call void @finch.gen.holdAddr(ptr %t905, { ptr, i64, i64 } %t906, %S.ast.Type %t907)
+  br label %endif8446
+endif8446:
+  %t908 = load ptr, ptr %a1
+  %t909 = load i64, ptr %a601
+  %t910 = load %S.ast.Node, ptr %a2
+  %t911 = load %S.ast.Type, ptr %a462
+  %t912 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t911)
+  store { ptr, i64, i64 } %t912, ptr %a914
+  store { ptr, i64, i64 } { ptr @.str.5458, i64 1, i64 0 }, ptr %a915
+  call void @finch_str_concat(ptr %a913, ptr %a914, ptr %a915)
+  store { ptr, i64, i64 } %t912, ptr %a916
+  call void @finch_str_drop(ptr %a916)
+  %t917 = load { ptr, i64, i64 }, ptr %a913
+  %t918 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 1
+  %t919 = load { ptr, i64, i64 }, ptr %t918
+  store { ptr, i64, i64 } %t917, ptr %a921
+  store { ptr, i64, i64 } %t919, ptr %a922
+  call void @finch_str_concat(ptr %a920, ptr %a921, ptr %a922)
+  store { ptr, i64, i64 } %t917, ptr %a923
+  call void @finch_str_drop(ptr %a923)
+  %t924 = load { ptr, i64, i64 }, ptr %a920
+  %t925 = load { ptr, i64, i64 }, ptr %a463
+  %t926 = load %S.ast.Node, ptr %a13
+  %t927 = call { ptr, i64, i64 } @finch.gen.rootVar(%S.ast.Node %t926)
+  %t928 = call %S.gen.Val @finch.gen.callFn(ptr %t908, i64 %t909, %S.ast.Node %t910, i64 1, { ptr, i64, i64 } %t924, { ptr, i64, i64 } %t925, { ptr, i64, i64 } %t927)
+  store { ptr, i64, i64 } %t924, ptr %a929
+  call void @finch_str_drop(ptr %a929)
+  store { ptr, i64, i64 } %t927, ptr %a930
+  call void @finch_str_drop(ptr %a930)
+  store %S.gen.Val %t928, ptr %a931
+  %t932 = load i1, ptr %a464
+  br label %logic.from8447
+logic.from8447:
+  br i1 %t932, label %logic.rhs8448, label %logic.end8449
+logic.rhs8448:
+  %t933 = getelementptr inbounds %S.gen.Ref, ptr %a222, i32 0, i32 2
+  %t934 = getelementptr inbounds %S.gen.Val, ptr %t933, i32 0, i32 2
+  %t935 = load i1, ptr %t934
+  br label %logic.rend8450
+logic.rend8450:
+  br label %logic.end8449
+logic.end8449:
+  %t936 = phi i1 [ false, %logic.from8447 ], [ %t935, %logic.rend8450 ]
+  br label %logic.from8451
+logic.from8451:
+  br i1 %t936, label %logic.rhs8452, label %logic.end8453
+logic.rhs8452:
+  %t937 = load ptr, ptr %a1
+  %t938 = load %S.ast.Type, ptr %a462
+  %t939 = call i1 @finch.gen.owning(ptr %t937, %S.ast.Type %t938)
+  br label %logic.rend8454
+logic.rend8454:
+  br label %logic.end8453
+logic.end8453:
+  %t940 = phi i1 [ false, %logic.from8451 ], [ %t939, %logic.rend8454 ]
+  br i1 %t940, label %then8455, label %endif8457
+then8455:
+  %t941 = load ptr, ptr %a1
+  %t942 = load { ptr, i64, i64 }, ptr %a463
+  %t943 = load %S.ast.Type, ptr %a462
+  call void @finch.gen.dropAt(ptr %t941, { ptr, i64, i64 } %t942, %S.ast.Type %t943)
+  br label %endif8457
+endif8457:
+  %t944 = load ptr, ptr %a1
+  %t945 = load i64, ptr %a228
+  call void @finch.gen.heldEnd(ptr %t944, i64 %t945)
+  %t946 = load %S.gen.Val, ptr %a931
+  call void @finch_str_drop(ptr %a463)
+  call void @finch.drop.S_ast_Type(ptr %a462)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
+  ret %S.gen.Val %t946
+endif8367:
+  %t947 = load ptr, ptr %a1
+  %t948 = load %S.ast.Node, ptr %a2
+  %t949 = load %S.ast.Type, ptr %a235
+  %t950 = call { ptr, i64, i64 } @finch.ast.show(%S.ast.Type %t949)
+  store { ptr, i64, i64 } %t950, ptr %a952
+  store { ptr, i64, i64 } { ptr @.str.5459, i64 15, i64 0 }, ptr %a953
+  call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
+  store { ptr, i64, i64 } %t950, ptr %a954
+  call void @finch_str_drop(ptr %a954)
+  %t955 = load { ptr, i64, i64 }, ptr %a951
+  call void @finch.gen.fail(ptr %t947, %S.ast.Node %t948, { ptr, i64, i64 } %t955)
+  store { ptr, i64, i64 } %t955, ptr %a956
+  call void @finch_str_drop(ptr %a956)
+  call void @finch_str_drop(ptr %a463)
+  call void @finch.drop.S_ast_Type(ptr %a462)
+  call void @finch.drop.S_ast_Type(ptr %a235)
+  call void @finch.drop.S_gen_Ref(ptr %a222)
+  call void @finch.drop.arr_str(ptr %a200)
+  call void @finch.drop.S_ast_Node(ptr %a13)
   ret %S.gen.Val zeroinitializer
 }
 
@@ -72002,121 +85779,136 @@ entry:
   %a32 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca %S.gen.Val, align 16
+  %a70 = alloca %S.gen.Val, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
   %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
   %a141 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
   %a143 = alloca { ptr, i64, i64 }, align 16
+  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
   %a186 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
   %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a230 = alloca %S.ast.Type, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
-  %a250 = alloca { ptr, i64, i64 }, align 16
   %a254 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca %S.gen.Val, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a302 = alloca { ptr, i64, i64 }, align 16
-  %a305 = alloca { ptr, i64, i64 }, align 16
-  %a308 = alloca { ptr, i64, i64 }, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a329 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca %S.ast.Type, align 16
+  %a260 = alloca %S.ast.Type, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca %S.gen.Val, align 16
+  %a315 = alloca %S.gen.Val, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca { ptr, i64, i64 }, align 16
   %a331 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a339 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
   %a359 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
@@ -72124,410 +85916,578 @@ entry:
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
   %a365 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
   %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca %S.ast.Type, align 16
-  %a377 = alloca %S.ast.Type, align 16
-  %a380 = alloca %S.gen.Val, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
   %a388 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a399 = alloca { ptr, i64, i64 }, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a402 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a408 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
-  %a439 = alloca { ptr, i64, i64 }, align 16
-  %a440 = alloca { ptr, i64, i64 }, align 16
-  %a441 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a416 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca %S.ast.Type, align 16
+  %a420 = alloca %S.ast.Type, align 16
+  %a423 = alloca %S.gen.Val, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca %S.ast.Type, align 16
+  %a435 = alloca %S.ast.Type, align 16
+  %a440 = alloca %S.gen.Val, align 16
+  %a442 = alloca { ptr, i64, i64 }, align 16
   %a443 = alloca { ptr, i64, i64 }, align 16
-  %a444 = alloca { ptr, i64, i64 }, align 16
-  %a445 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a453 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
-  %a477 = alloca { ptr, i64, i64 }, align 16
-  %a480 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca %S.gen.Val, align 16
+  %a446 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a469 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
   %a485 = alloca { ptr, i64, i64 }, align 16
   %a487 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
-  %a489 = alloca { ptr, i64, i64 }, align 16
   %a492 = alloca { ptr, i64, i64 }, align 16
   %a493 = alloca { ptr, i64, i64 }, align 16
-  %a494 = alloca { ptr, i64, i64 }, align 16
-  %a496 = alloca { ptr, i64, i64 }, align 16
-  %a497 = alloca { ptr, i64, i64 }, align 16
-  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
   %a501 = alloca { ptr, i64, i64 }, align 16
   %a502 = alloca { ptr, i64, i64 }, align 16
-  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
   %a505 = alloca { ptr, i64, i64 }, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
   %a507 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a518 = alloca { ptr, i64, i64 }, align 16
-  %a543 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a515 = alloca { ptr, i64, i64 }, align 16
+  %a516 = alloca { ptr, i64, i64 }, align 16
+  %a523 = alloca { ptr, i64, i64 }, align 16
+  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a538 = alloca %S.gen.Val, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a545 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a554 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a559 = alloca { ptr, i64, i64 }, align 16
+  %a560 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
+  %a564 = alloca { ptr, i64, i64 }, align 16
+  %a565 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
   %a569 = alloca { ptr, i64, i64 }, align 16
-  %a583 = alloca { ptr, i64, i64 }, align 16
-  %a586 = alloca { ptr, i64, i64 }, align 16
-  %a587 = alloca { ptr, i64, i64 }, align 16
-  %a588 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a571 = alloca { ptr, i64, i64 }, align 16
+  %a572 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
+  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a577 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
   %a590 = alloca { ptr, i64, i64 }, align 16
   %a591 = alloca { ptr, i64, i64 }, align 16
-  %a592 = alloca { ptr, i64, i64 }, align 16
-  %a595 = alloca { ptr, i64, i64 }, align 16
-  %a596 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca { ptr, i64, i64 }, align 16
-  %a606 = alloca { ptr, i64, i64 }, align 16
-  %a607 = alloca { ptr, i64, i64 }, align 16
-  %a608 = alloca { ptr, i64, i64 }, align 16
-  %a610 = alloca { ptr, i64, i64 }, align 16
-  %a611 = alloca { ptr, i64, i64 }, align 16
-  %a612 = alloca { ptr, i64, i64 }, align 16
-  %a615 = alloca { ptr, i64, i64 }, align 16
-  %a616 = alloca { ptr, i64, i64 }, align 16
-  %a617 = alloca { ptr, i64, i64 }, align 16
+  %a615 = alloca %S.gen.Val, align 16
+  %a616 = alloca %S.ast.Type, align 16
+  %a618 = alloca { ptr, i64, i64 }, align 16
   %a619 = alloca { ptr, i64, i64 }, align 16
-  %a620 = alloca { ptr, i64, i64 }, align 16
-  %a621 = alloca { ptr, i64, i64 }, align 16
-  %a625 = alloca { ptr, i64, i64 }, align 16
-  %a627 = alloca { ptr, i64, i64 }, align 16
-  %a628 = alloca { ptr, i64, i64 }, align 16
-  %a629 = alloca { ptr, i64, i64 }, align 16
-  %a631 = alloca { ptr, i64, i64 }, align 16
-  %a632 = alloca { ptr, i64, i64 }, align 16
-  %a633 = alloca { ptr, i64, i64 }, align 16
-  %a638 = alloca { ptr, i64, i64 }, align 16
-  %a644 = alloca { ptr, i64, i64 }, align 16
-  %a645 = alloca { ptr, i64, i64 }, align 16
-  %a646 = alloca { ptr, i64, i64 }, align 16
-  %a648 = alloca { ptr, i64, i64 }, align 16
-  %a649 = alloca { ptr, i64, i64 }, align 16
-  %a650 = alloca { ptr, i64, i64 }, align 16
-  %a653 = alloca { ptr, i64, i64 }, align 16
-  %a654 = alloca { ptr, i64, i64 }, align 16
-  %a655 = alloca { ptr, i64, i64 }, align 16
-  %a657 = alloca { ptr, i64, i64 }, align 16
-  %a658 = alloca { ptr, i64, i64 }, align 16
-  %a659 = alloca { ptr, i64, i64 }, align 16
-  %a662 = alloca { ptr, i64, i64 }, align 16
-  %a663 = alloca { ptr, i64, i64 }, align 16
+  %a621 = alloca %S.gen.Val, align 16
+  %a622 = alloca { ptr, i64, i64 }, align 16
+  %a644 = alloca %S.gen.Val, align 16
+  %a646 = alloca %S.gen.Val, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
   %a664 = alloca { ptr, i64, i64 }, align 16
+  %a665 = alloca { ptr, i64, i64 }, align 16
+  %a666 = alloca { ptr, i64, i64 }, align 16
+  %a668 = alloca { ptr, i64, i64 }, align 16
+  %a669 = alloca { ptr, i64, i64 }, align 16
   %a670 = alloca { ptr, i64, i64 }, align 16
   %a671 = alloca { ptr, i64, i64 }, align 16
+  %a674 = alloca { ptr, i64, i64 }, align 16
+  %a675 = alloca { ptr, i64, i64 }, align 16
+  %a676 = alloca { ptr, i64, i64 }, align 16
+  %a677 = alloca { ptr, i64, i64 }, align 16
+  %a679 = alloca { ptr, i64, i64 }, align 16
+  %a680 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca { ptr, i64, i64 }, align 16
+  %a689 = alloca { ptr, i64, i64 }, align 16
+  %a690 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
+  %a693 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a695 = alloca { ptr, i64, i64 }, align 16
   %a696 = alloca { ptr, i64, i64 }, align 16
-  %a697 = alloca { ptr, i64, i64 }, align 16
   %a699 = alloca { ptr, i64, i64 }, align 16
-  %a709 = alloca { ptr, i64, i64 }, align 16
+  %a700 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a702 = alloca { ptr, i64, i64 }, align 16
+  %a704 = alloca { ptr, i64, i64 }, align 16
+  %a705 = alloca { ptr, i64, i64 }, align 16
+  %a706 = alloca { ptr, i64, i64 }, align 16
+  %a707 = alloca { ptr, i64, i64 }, align 16
+  %a711 = alloca { ptr, i64, i64 }, align 16
+  %a713 = alloca { ptr, i64, i64 }, align 16
   %a714 = alloca { ptr, i64, i64 }, align 16
   %a715 = alloca { ptr, i64, i64 }, align 16
   %a716 = alloca { ptr, i64, i64 }, align 16
-  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a717 = alloca { ptr, i64, i64 }, align 16
   %a719 = alloca { ptr, i64, i64 }, align 16
   %a720 = alloca { ptr, i64, i64 }, align 16
-  %a723 = alloca { ptr, i64, i64 }, align 16
+  %a721 = alloca { ptr, i64, i64 }, align 16
+  %a722 = alloca { ptr, i64, i64 }, align 16
   %a724 = alloca { ptr, i64, i64 }, align 16
-  %a725 = alloca { ptr, i64, i64 }, align 16
-  %a727 = alloca { ptr, i64, i64 }, align 16
   %a728 = alloca { ptr, i64, i64 }, align 16
-  %a729 = alloca { ptr, i64, i64 }, align 16
-  %a732 = alloca { ptr, i64, i64 }, align 16
-  %a733 = alloca { ptr, i64, i64 }, align 16
   %a734 = alloca { ptr, i64, i64 }, align 16
+  %a735 = alloca { ptr, i64, i64 }, align 16
+  %a736 = alloca { ptr, i64, i64 }, align 16
   %a738 = alloca { ptr, i64, i64 }, align 16
+  %a739 = alloca { ptr, i64, i64 }, align 16
+  %a740 = alloca { ptr, i64, i64 }, align 16
   %a741 = alloca { ptr, i64, i64 }, align 16
-  %a742 = alloca { ptr, i64, i64 }, align 16
-  %a743 = alloca { ptr, i64, i64 }, align 16
+  %a744 = alloca { ptr, i64, i64 }, align 16
   %a745 = alloca { ptr, i64, i64 }, align 16
   %a746 = alloca { ptr, i64, i64 }, align 16
   %a747 = alloca { ptr, i64, i64 }, align 16
+  %a749 = alloca { ptr, i64, i64 }, align 16
   %a750 = alloca { ptr, i64, i64 }, align 16
   %a751 = alloca { ptr, i64, i64 }, align 16
   %a752 = alloca { ptr, i64, i64 }, align 16
-  %a754 = alloca { ptr, i64, i64 }, align 16
   %a755 = alloca { ptr, i64, i64 }, align 16
   %a756 = alloca { ptr, i64, i64 }, align 16
+  %a757 = alloca { ptr, i64, i64 }, align 16
+  %a758 = alloca { ptr, i64, i64 }, align 16
   %a761 = alloca { ptr, i64, i64 }, align 16
   %a762 = alloca { ptr, i64, i64 }, align 16
-  %a763 = alloca { ptr, i64, i64 }, align 16
-  %a765 = alloca { ptr, i64, i64 }, align 16
   %a766 = alloca { ptr, i64, i64 }, align 16
   %a767 = alloca { ptr, i64, i64 }, align 16
-  %a770 = alloca { ptr, i64, i64 }, align 16
-  %a771 = alloca { ptr, i64, i64 }, align 16
-  %a775 = alloca %S.ast.Type, align 16
-  %a776 = alloca %S.ast.Type, align 16
-  %a784 = alloca { ptr, i64, i64 }, align 16
-  %a785 = alloca { ptr, i64, i64 }, align 16
-  %a810 = alloca { ptr, i64, i64 }, align 16
-  %a811 = alloca { ptr, i64, i64 }, align 16
-  %a813 = alloca { ptr, i64, i64 }, align 16
+  %a791 = alloca %S.gen.Val, align 16
+  %a792 = alloca %S.ast.Type, align 16
+  %a794 = alloca { ptr, i64, i64 }, align 16
+  %a795 = alloca { ptr, i64, i64 }, align 16
+  %a797 = alloca %S.gen.Val, align 16
+  %a798 = alloca { ptr, i64, i64 }, align 16
+  %a805 = alloca { ptr, i64, i64 }, align 16
+  %a809 = alloca { ptr, i64, i64 }, align 16
+  %a814 = alloca { ptr, i64, i64 }, align 16
+  %a815 = alloca { ptr, i64, i64 }, align 16
   %a816 = alloca { ptr, i64, i64 }, align 16
-  %a817 = alloca { ptr, i64, i64 }, align 16
   %a818 = alloca { ptr, i64, i64 }, align 16
+  %a819 = alloca { ptr, i64, i64 }, align 16
   %a820 = alloca { ptr, i64, i64 }, align 16
   %a821 = alloca { ptr, i64, i64 }, align 16
-  %a822 = alloca { ptr, i64, i64 }, align 16
+  %a824 = alloca { ptr, i64, i64 }, align 16
   %a825 = alloca { ptr, i64, i64 }, align 16
   %a826 = alloca { ptr, i64, i64 }, align 16
   %a827 = alloca { ptr, i64, i64 }, align 16
   %a829 = alloca { ptr, i64, i64 }, align 16
   %a830 = alloca { ptr, i64, i64 }, align 16
   %a831 = alloca { ptr, i64, i64 }, align 16
+  %a832 = alloca { ptr, i64, i64 }, align 16
+  %a835 = alloca { ptr, i64, i64 }, align 16
   %a836 = alloca { ptr, i64, i64 }, align 16
   %a837 = alloca { ptr, i64, i64 }, align 16
   %a838 = alloca { ptr, i64, i64 }, align 16
-  %a840 = alloca { ptr, i64, i64 }, align 16
   %a841 = alloca { ptr, i64, i64 }, align 16
-  %a842 = alloca { ptr, i64, i64 }, align 16
+  %a843 = alloca { ptr, i64, i64 }, align 16
+  %a844 = alloca { ptr, i64, i64 }, align 16
   %a847 = alloca { ptr, i64, i64 }, align 16
   %a848 = alloca { ptr, i64, i64 }, align 16
-  %a856 = alloca { ptr, i64, i64 }, align 16
+  %a849 = alloca { ptr, i64, i64 }, align 16
+  %a851 = alloca { ptr, i64, i64 }, align 16
+  %a852 = alloca { ptr, i64, i64 }, align 16
+  %a853 = alloca { ptr, i64, i64 }, align 16
+  %a854 = alloca { ptr, i64, i64 }, align 16
+  %a857 = alloca { ptr, i64, i64 }, align 16
+  %a858 = alloca { ptr, i64, i64 }, align 16
+  %a859 = alloca { ptr, i64, i64 }, align 16
   %a860 = alloca { ptr, i64, i64 }, align 16
+  %a862 = alloca { ptr, i64, i64 }, align 16
   %a863 = alloca { ptr, i64, i64 }, align 16
   %a864 = alloca { ptr, i64, i64 }, align 16
   %a865 = alloca { ptr, i64, i64 }, align 16
-  %a867 = alloca { ptr, i64, i64 }, align 16
-  %a868 = alloca { ptr, i64, i64 }, align 16
-  %a869 = alloca { ptr, i64, i64 }, align 16
+  %a870 = alloca { ptr, i64, i64 }, align 16
+  %a871 = alloca { ptr, i64, i64 }, align 16
   %a872 = alloca { ptr, i64, i64 }, align 16
+  %a873 = alloca { ptr, i64, i64 }, align 16
+  %a874 = alloca { ptr, i64, i64 }, align 16
   %a876 = alloca { ptr, i64, i64 }, align 16
+  %a877 = alloca { ptr, i64, i64 }, align 16
+  %a878 = alloca { ptr, i64, i64 }, align 16
   %a879 = alloca { ptr, i64, i64 }, align 16
-  %a880 = alloca { ptr, i64, i64 }, align 16
   %a881 = alloca { ptr, i64, i64 }, align 16
   %a883 = alloca { ptr, i64, i64 }, align 16
   %a884 = alloca { ptr, i64, i64 }, align 16
-  %a885 = alloca { ptr, i64, i64 }, align 16
-  %a888 = alloca { ptr, i64, i64 }, align 16
-  %a889 = alloca { ptr, i64, i64 }, align 16
-  %a890 = alloca { ptr, i64, i64 }, align 16
-  %a892 = alloca { ptr, i64, i64 }, align 16
-  %a893 = alloca { ptr, i64, i64 }, align 16
-  %a894 = alloca { ptr, i64, i64 }, align 16
-  %a902 = alloca { ptr, i64, i64 }, align 16
-  %a903 = alloca { ptr, i64, i64 }, align 16
-  %a904 = alloca { ptr, i64, i64 }, align 16
-  %a907 = alloca { ptr, i64, i64 }, align 16
-  %a911 = alloca { ptr, i64, i64 }, align 16
-  %a912 = alloca { ptr, i64, i64 }, align 16
-  %a913 = alloca { ptr, i64, i64 }, align 16
-  %a915 = alloca { ptr, i64, i64 }, align 16
-  %a916 = alloca { ptr, i64, i64 }, align 16
-  %a917 = alloca { ptr, i64, i64 }, align 16
-  %a920 = alloca { ptr, i64, i64 }, align 16
-  %a921 = alloca { ptr, i64, i64 }, align 16
-  %a922 = alloca { ptr, i64, i64 }, align 16
-  %a924 = alloca { ptr, i64, i64 }, align 16
+  %a888 = alloca %S.ast.Type, align 16
+  %a889 = alloca %S.ast.Type, align 16
+  %a897 = alloca { ptr, i64, i64 }, align 16
+  %a898 = alloca { ptr, i64, i64 }, align 16
+  %a922 = alloca %S.gen.Val, align 16
+  %a923 = alloca %S.ast.Type, align 16
   %a925 = alloca { ptr, i64, i64 }, align 16
   %a926 = alloca { ptr, i64, i64 }, align 16
-  %a934 = alloca { ptr, i64, i64 }, align 16
-  %a935 = alloca { ptr, i64, i64 }, align 16
+  %a928 = alloca %S.gen.Val, align 16
+  %a929 = alloca { ptr, i64, i64 }, align 16
   %a936 = alloca { ptr, i64, i64 }, align 16
-  %a939 = alloca { ptr, i64, i64 }, align 16
+  %a937 = alloca { ptr, i64, i64 }, align 16
+  %a938 = alloca { ptr, i64, i64 }, align 16
+  %a940 = alloca { ptr, i64, i64 }, align 16
+  %a941 = alloca { ptr, i64, i64 }, align 16
   %a942 = alloca { ptr, i64, i64 }, align 16
   %a943 = alloca { ptr, i64, i64 }, align 16
-  %a944 = alloca { ptr, i64, i64 }, align 16
   %a946 = alloca { ptr, i64, i64 }, align 16
   %a947 = alloca { ptr, i64, i64 }, align 16
   %a948 = alloca { ptr, i64, i64 }, align 16
+  %a949 = alloca { ptr, i64, i64 }, align 16
   %a951 = alloca { ptr, i64, i64 }, align 16
   %a952 = alloca { ptr, i64, i64 }, align 16
   %a953 = alloca { ptr, i64, i64 }, align 16
-  %a955 = alloca { ptr, i64, i64 }, align 16
-  %a956 = alloca { ptr, i64, i64 }, align 16
-  %a957 = alloca { ptr, i64, i64 }, align 16
+  %a954 = alloca { ptr, i64, i64 }, align 16
+  %a959 = alloca { ptr, i64, i64 }, align 16
   %a960 = alloca { ptr, i64, i64 }, align 16
   %a961 = alloca { ptr, i64, i64 }, align 16
   %a962 = alloca { ptr, i64, i64 }, align 16
+  %a963 = alloca { ptr, i64, i64 }, align 16
   %a965 = alloca { ptr, i64, i64 }, align 16
+  %a966 = alloca { ptr, i64, i64 }, align 16
+  %a967 = alloca { ptr, i64, i64 }, align 16
+  %a968 = alloca { ptr, i64, i64 }, align 16
   %a970 = alloca { ptr, i64, i64 }, align 16
+  %a974 = alloca { ptr, i64, i64 }, align 16
   %a975 = alloca { ptr, i64, i64 }, align 16
-  %a989 = alloca { ptr, i64, i64 }, align 16
+  %a983 = alloca { ptr, i64, i64 }, align 16
+  %a987 = alloca { ptr, i64, i64 }, align 16
   %a990 = alloca { ptr, i64, i64 }, align 16
+  %a991 = alloca { ptr, i64, i64 }, align 16
+  %a992 = alloca { ptr, i64, i64 }, align 16
+  %a994 = alloca { ptr, i64, i64 }, align 16
+  %a995 = alloca { ptr, i64, i64 }, align 16
+  %a996 = alloca { ptr, i64, i64 }, align 16
+  %a997 = alloca { ptr, i64, i64 }, align 16
+  %a1000 = alloca { ptr, i64, i64 }, align 16
+  %a1001 = alloca { ptr, i64, i64 }, align 16
+  %a1005 = alloca { ptr, i64, i64 }, align 16
+  %a1008 = alloca { ptr, i64, i64 }, align 16
+  %a1009 = alloca { ptr, i64, i64 }, align 16
+  %a1010 = alloca { ptr, i64, i64 }, align 16
+  %a1012 = alloca { ptr, i64, i64 }, align 16
+  %a1013 = alloca { ptr, i64, i64 }, align 16
+  %a1014 = alloca { ptr, i64, i64 }, align 16
   %a1015 = alloca { ptr, i64, i64 }, align 16
-  %a1016 = alloca { ptr, i64, i64 }, align 16
   %a1018 = alloca { ptr, i64, i64 }, align 16
-  %a1039 = alloca { ptr, i64, i64 }, align 16
+  %a1019 = alloca { ptr, i64, i64 }, align 16
+  %a1020 = alloca { ptr, i64, i64 }, align 16
+  %a1021 = alloca { ptr, i64, i64 }, align 16
+  %a1023 = alloca { ptr, i64, i64 }, align 16
+  %a1024 = alloca { ptr, i64, i64 }, align 16
+  %a1025 = alloca { ptr, i64, i64 }, align 16
+  %a1026 = alloca { ptr, i64, i64 }, align 16
+  %a1034 = alloca { ptr, i64, i64 }, align 16
+  %a1035 = alloca { ptr, i64, i64 }, align 16
+  %a1036 = alloca { ptr, i64, i64 }, align 16
+  %a1037 = alloca { ptr, i64, i64 }, align 16
   %a1040 = alloca { ptr, i64, i64 }, align 16
-  %a1042 = alloca { ptr, i64, i64 }, align 16
+  %a1041 = alloca { ptr, i64, i64 }, align 16
+  %a1045 = alloca { ptr, i64, i64 }, align 16
   %a1046 = alloca { ptr, i64, i64 }, align 16
+  %a1047 = alloca { ptr, i64, i64 }, align 16
   %a1049 = alloca { ptr, i64, i64 }, align 16
   %a1050 = alloca { ptr, i64, i64 }, align 16
   %a1051 = alloca { ptr, i64, i64 }, align 16
-  %a1053 = alloca { ptr, i64, i64 }, align 16
-  %a1054 = alloca { ptr, i64, i64 }, align 16
+  %a1052 = alloca { ptr, i64, i64 }, align 16
   %a1055 = alloca { ptr, i64, i64 }, align 16
+  %a1056 = alloca { ptr, i64, i64 }, align 16
+  %a1057 = alloca { ptr, i64, i64 }, align 16
   %a1058 = alloca { ptr, i64, i64 }, align 16
+  %a1059 = alloca { ptr, i64, i64 }, align 16
   %a1061 = alloca { ptr, i64, i64 }, align 16
   %a1062 = alloca { ptr, i64, i64 }, align 16
   %a1063 = alloca { ptr, i64, i64 }, align 16
-  %a1065 = alloca { ptr, i64, i64 }, align 16
-  %a1066 = alloca { ptr, i64, i64 }, align 16
-  %a1067 = alloca { ptr, i64, i64 }, align 16
-  %a1070 = alloca { ptr, i64, i64 }, align 16
-  %a1071 = alloca { ptr, i64, i64 }, align 16
+  %a1064 = alloca { ptr, i64, i64 }, align 16
   %a1072 = alloca { ptr, i64, i64 }, align 16
+  %a1073 = alloca { ptr, i64, i64 }, align 16
+  %a1074 = alloca { ptr, i64, i64 }, align 16
   %a1075 = alloca { ptr, i64, i64 }, align 16
   %a1078 = alloca { ptr, i64, i64 }, align 16
   %a1079 = alloca { ptr, i64, i64 }, align 16
-  %a1080 = alloca { ptr, i64, i64 }, align 16
   %a1082 = alloca { ptr, i64, i64 }, align 16
   %a1083 = alloca { ptr, i64, i64 }, align 16
   %a1084 = alloca { ptr, i64, i64 }, align 16
+  %a1086 = alloca { ptr, i64, i64 }, align 16
   %a1087 = alloca { ptr, i64, i64 }, align 16
   %a1088 = alloca { ptr, i64, i64 }, align 16
   %a1089 = alloca { ptr, i64, i64 }, align 16
   %a1092 = alloca { ptr, i64, i64 }, align 16
+  %a1093 = alloca { ptr, i64, i64 }, align 16
+  %a1094 = alloca { ptr, i64, i64 }, align 16
+  %a1095 = alloca { ptr, i64, i64 }, align 16
   %a1097 = alloca { ptr, i64, i64 }, align 16
   %a1098 = alloca { ptr, i64, i64 }, align 16
   %a1099 = alloca { ptr, i64, i64 }, align 16
-  %a1101 = alloca { ptr, i64, i64 }, align 16
-  %a1102 = alloca { ptr, i64, i64 }, align 16
+  %a1100 = alloca { ptr, i64, i64 }, align 16
   %a1103 = alloca { ptr, i64, i64 }, align 16
+  %a1104 = alloca { ptr, i64, i64 }, align 16
+  %a1105 = alloca { ptr, i64, i64 }, align 16
   %a1106 = alloca { ptr, i64, i64 }, align 16
-  %a1107 = alloca { ptr, i64, i64 }, align 16
-  %a1108 = alloca { ptr, i64, i64 }, align 16
-  %a1111 = alloca { ptr, i64, i64 }, align 16
-  %a1112 = alloca { ptr, i64, i64 }, align 16
-  %a1113 = alloca { ptr, i64, i64 }, align 16
+  %a1109 = alloca { ptr, i64, i64 }, align 16
+  %a1110 = alloca { ptr, i64, i64 }, align 16
   %a1115 = alloca { ptr, i64, i64 }, align 16
-  %a1116 = alloca { ptr, i64, i64 }, align 16
-  %a1117 = alloca { ptr, i64, i64 }, align 16
   %a1120 = alloca { ptr, i64, i64 }, align 16
-  %a1121 = alloca { ptr, i64, i64 }, align 16
-  %a1122 = alloca { ptr, i64, i64 }, align 16
-  %a1128 = alloca { ptr, i64, i64 }, align 16
-  %a1129 = alloca { ptr, i64, i64 }, align 16
-  %a1130 = alloca { ptr, i64, i64 }, align 16
-  %a1132 = alloca { ptr, i64, i64 }, align 16
-  %a1133 = alloca { ptr, i64, i64 }, align 16
   %a1134 = alloca { ptr, i64, i64 }, align 16
-  %a1137 = alloca { ptr, i64, i64 }, align 16
-  %a1138 = alloca { ptr, i64, i64 }, align 16
-  %a1139 = alloca { ptr, i64, i64 }, align 16
-  %a1142 = alloca { ptr, i64, i64 }, align 16
-  %a1145 = alloca { ptr, i64, i64 }, align 16
-  %a1148 = alloca { ptr, i64, i64 }, align 16
-  %a1149 = alloca { ptr, i64, i64 }, align 16
-  %a1150 = alloca { ptr, i64, i64 }, align 16
-  %a1152 = alloca { ptr, i64, i64 }, align 16
-  %a1153 = alloca { ptr, i64, i64 }, align 16
-  %a1154 = alloca { ptr, i64, i64 }, align 16
-  %a1157 = alloca { ptr, i64, i64 }, align 16
-  %a1158 = alloca { ptr, i64, i64 }, align 16
-  %a1159 = alloca { ptr, i64, i64 }, align 16
-  %a1161 = alloca { ptr, i64, i64 }, align 16
+  %a1135 = alloca { ptr, i64, i64 }, align 16
+  %a1159 = alloca %S.gen.Val, align 16
+  %a1160 = alloca %S.ast.Type, align 16
   %a1162 = alloca { ptr, i64, i64 }, align 16
   %a1163 = alloca { ptr, i64, i64 }, align 16
-  %a1168 = alloca { ptr, i64, i64 }, align 16
-  %a1169 = alloca { ptr, i64, i64 }, align 16
-  %a1170 = alloca { ptr, i64, i64 }, align 16
-  %a1172 = alloca { ptr, i64, i64 }, align 16
-  %a1173 = alloca { ptr, i64, i64 }, align 16
-  %a1174 = alloca { ptr, i64, i64 }, align 16
-  %a1179 = alloca { ptr, i64, i64 }, align 16
-  %a1183 = alloca { ptr, i64, i64 }, align 16
-  %a1187 = alloca { ptr, i64, i64 }, align 16
+  %a1165 = alloca %S.gen.Val, align 16
+  %a1166 = alloca { ptr, i64, i64 }, align 16
+  %a1186 = alloca %S.gen.Val, align 16
+  %a1187 = alloca %S.ast.Type, align 16
+  %a1189 = alloca { ptr, i64, i64 }, align 16
   %a1190 = alloca { ptr, i64, i64 }, align 16
-  %a1191 = alloca { ptr, i64, i64 }, align 16
-  %a1192 = alloca { ptr, i64, i64 }, align 16
-  %a1194 = alloca { ptr, i64, i64 }, align 16
-  %a1195 = alloca { ptr, i64, i64 }, align 16
-  %a1196 = alloca { ptr, i64, i64 }, align 16
-  %a1199 = alloca { ptr, i64, i64 }, align 16
+  %a1192 = alloca %S.gen.Val, align 16
+  %a1193 = alloca { ptr, i64, i64 }, align 16
+  %a1197 = alloca { ptr, i64, i64 }, align 16
   %a1200 = alloca { ptr, i64, i64 }, align 16
   %a1201 = alloca { ptr, i64, i64 }, align 16
-  %a1203 = alloca { ptr, i64, i64 }, align 16
+  %a1202 = alloca { ptr, i64, i64 }, align 16
   %a1204 = alloca { ptr, i64, i64 }, align 16
   %a1205 = alloca { ptr, i64, i64 }, align 16
-  %a1213 = alloca { ptr, i64, i64 }, align 16
+  %a1206 = alloca { ptr, i64, i64 }, align 16
+  %a1207 = alloca { ptr, i64, i64 }, align 16
+  %a1210 = alloca { ptr, i64, i64 }, align 16
+  %a1211 = alloca { ptr, i64, i64 }, align 16
   %a1214 = alloca { ptr, i64, i64 }, align 16
   %a1215 = alloca { ptr, i64, i64 }, align 16
+  %a1216 = alloca { ptr, i64, i64 }, align 16
   %a1218 = alloca { ptr, i64, i64 }, align 16
+  %a1219 = alloca { ptr, i64, i64 }, align 16
+  %a1220 = alloca { ptr, i64, i64 }, align 16
   %a1221 = alloca { ptr, i64, i64 }, align 16
-  %a1222 = alloca { ptr, i64, i64 }, align 16
-  %a1223 = alloca { ptr, i64, i64 }, align 16
+  %a1224 = alloca { ptr, i64, i64 }, align 16
   %a1225 = alloca { ptr, i64, i64 }, align 16
   %a1226 = alloca { ptr, i64, i64 }, align 16
   %a1227 = alloca { ptr, i64, i64 }, align 16
   %a1230 = alloca { ptr, i64, i64 }, align 16
   %a1231 = alloca { ptr, i64, i64 }, align 16
-  %a1232 = alloca { ptr, i64, i64 }, align 16
   %a1234 = alloca { ptr, i64, i64 }, align 16
   %a1235 = alloca { ptr, i64, i64 }, align 16
   %a1236 = alloca { ptr, i64, i64 }, align 16
+  %a1238 = alloca { ptr, i64, i64 }, align 16
+  %a1239 = alloca { ptr, i64, i64 }, align 16
   %a1240 = alloca { ptr, i64, i64 }, align 16
   %a1241 = alloca { ptr, i64, i64 }, align 16
-  %a1242 = alloca { ptr, i64, i64 }, align 16
   %a1244 = alloca { ptr, i64, i64 }, align 16
   %a1245 = alloca { ptr, i64, i64 }, align 16
   %a1246 = alloca { ptr, i64, i64 }, align 16
-  %a1254 = alloca { ptr, i64, i64 }, align 16
-  %a1255 = alloca { ptr, i64, i64 }, align 16
+  %a1247 = alloca { ptr, i64, i64 }, align 16
+  %a1250 = alloca { ptr, i64, i64 }, align 16
+  %a1251 = alloca { ptr, i64, i64 }, align 16
   %a1256 = alloca { ptr, i64, i64 }, align 16
-  %a1259 = alloca { ptr, i64, i64 }, align 16
+  %a1257 = alloca { ptr, i64, i64 }, align 16
+  %a1258 = alloca { ptr, i64, i64 }, align 16
   %a1260 = alloca { ptr, i64, i64 }, align 16
   %a1261 = alloca { ptr, i64, i64 }, align 16
-  %a1264 = alloca { ptr, i64, i64 }, align 16
-  %a1276 = alloca %S.ast.Type, align 16
-  %a1277 = alloca %S.ast.Type, align 16
-  %a1282 = alloca { ptr, i64, i64 }, align 16
-  %a1283 = alloca { ptr, i64, i64 }, align 16
+  %a1262 = alloca { ptr, i64, i64 }, align 16
+  %a1263 = alloca { ptr, i64, i64 }, align 16
+  %a1266 = alloca { ptr, i64, i64 }, align 16
+  %a1267 = alloca { ptr, i64, i64 }, align 16
+  %a1268 = alloca { ptr, i64, i64 }, align 16
+  %a1269 = alloca { ptr, i64, i64 }, align 16
+  %a1272 = alloca { ptr, i64, i64 }, align 16
+  %a1273 = alloca { ptr, i64, i64 }, align 16
+  %a1274 = alloca { ptr, i64, i64 }, align 16
+  %a1275 = alloca { ptr, i64, i64 }, align 16
+  %a1276 = alloca { ptr, i64, i64 }, align 16
+  %a1278 = alloca { ptr, i64, i64 }, align 16
+  %a1279 = alloca { ptr, i64, i64 }, align 16
+  %a1280 = alloca { ptr, i64, i64 }, align 16
+  %a1281 = alloca { ptr, i64, i64 }, align 16
+  %a1284 = alloca { ptr, i64, i64 }, align 16
+  %a1285 = alloca { ptr, i64, i64 }, align 16
+  %a1286 = alloca { ptr, i64, i64 }, align 16
+  %a1287 = alloca { ptr, i64, i64 }, align 16
   %a1290 = alloca { ptr, i64, i64 }, align 16
-  %a1291 = alloca { ptr, i64, i64 }, align 16
-  %a1293 = alloca { ptr, i64, i64 }, align 16
-  %a1298 = alloca { ptr, i64, i64 }, align 16
+  %a1292 = alloca { ptr, i64, i64 }, align 16
+  %a1295 = alloca { ptr, i64, i64 }, align 16
+  %a1296 = alloca { ptr, i64, i64 }, align 16
+  %a1297 = alloca { ptr, i64, i64 }, align 16
   %a1299 = alloca { ptr, i64, i64 }, align 16
-  %a1304 = alloca { ptr, i64, i64 }, align 16
+  %a1300 = alloca { ptr, i64, i64 }, align 16
+  %a1301 = alloca { ptr, i64, i64 }, align 16
+  %a1302 = alloca { ptr, i64, i64 }, align 16
   %a1305 = alloca { ptr, i64, i64 }, align 16
-  %a1314 = alloca { ptr, i64, i64 }, align 16
+  %a1306 = alloca { ptr, i64, i64 }, align 16
+  %a1307 = alloca { ptr, i64, i64 }, align 16
+  %a1308 = alloca { ptr, i64, i64 }, align 16
+  %a1311 = alloca { ptr, i64, i64 }, align 16
+  %a1312 = alloca { ptr, i64, i64 }, align 16
+  %a1315 = alloca { ptr, i64, i64 }, align 16
   %a1318 = alloca { ptr, i64, i64 }, align 16
+  %a1319 = alloca { ptr, i64, i64 }, align 16
+  %a1320 = alloca { ptr, i64, i64 }, align 16
   %a1322 = alloca { ptr, i64, i64 }, align 16
+  %a1323 = alloca { ptr, i64, i64 }, align 16
+  %a1324 = alloca { ptr, i64, i64 }, align 16
   %a1325 = alloca { ptr, i64, i64 }, align 16
-  %a1326 = alloca { ptr, i64, i64 }, align 16
-  %a1327 = alloca { ptr, i64, i64 }, align 16
+  %a1328 = alloca { ptr, i64, i64 }, align 16
   %a1329 = alloca { ptr, i64, i64 }, align 16
   %a1330 = alloca { ptr, i64, i64 }, align 16
   %a1331 = alloca { ptr, i64, i64 }, align 16
+  %a1333 = alloca { ptr, i64, i64 }, align 16
   %a1334 = alloca { ptr, i64, i64 }, align 16
   %a1335 = alloca { ptr, i64, i64 }, align 16
   %a1336 = alloca { ptr, i64, i64 }, align 16
-  %a1338 = alloca { ptr, i64, i64 }, align 16
-  %a1339 = alloca { ptr, i64, i64 }, align 16
-  %a1340 = alloca { ptr, i64, i64 }, align 16
+  %a1341 = alloca { ptr, i64, i64 }, align 16
+  %a1342 = alloca { ptr, i64, i64 }, align 16
+  %a1343 = alloca { ptr, i64, i64 }, align 16
+  %a1344 = alloca { ptr, i64, i64 }, align 16
   %a1345 = alloca { ptr, i64, i64 }, align 16
-  %a1346 = alloca { ptr, i64, i64 }, align 16
   %a1347 = alloca { ptr, i64, i64 }, align 16
+  %a1348 = alloca { ptr, i64, i64 }, align 16
   %a1349 = alloca { ptr, i64, i64 }, align 16
   %a1350 = alloca { ptr, i64, i64 }, align 16
-  %a1351 = alloca { ptr, i64, i64 }, align 16
-  %a1354 = alloca { ptr, i64, i64 }, align 16
-  %a1355 = alloca { ptr, i64, i64 }, align 16
+  %a1352 = alloca { ptr, i64, i64 }, align 16
   %a1356 = alloca { ptr, i64, i64 }, align 16
-  %a1358 = alloca { ptr, i64, i64 }, align 16
-  %a1359 = alloca { ptr, i64, i64 }, align 16
   %a1360 = alloca { ptr, i64, i64 }, align 16
+  %a1364 = alloca { ptr, i64, i64 }, align 16
   %a1367 = alloca { ptr, i64, i64 }, align 16
   %a1368 = alloca { ptr, i64, i64 }, align 16
   %a1369 = alloca { ptr, i64, i64 }, align 16
   %a1371 = alloca { ptr, i64, i64 }, align 16
   %a1372 = alloca { ptr, i64, i64 }, align 16
   %a1373 = alloca { ptr, i64, i64 }, align 16
+  %a1374 = alloca { ptr, i64, i64 }, align 16
+  %a1377 = alloca { ptr, i64, i64 }, align 16
+  %a1378 = alloca { ptr, i64, i64 }, align 16
+  %a1379 = alloca { ptr, i64, i64 }, align 16
+  %a1380 = alloca { ptr, i64, i64 }, align 16
+  %a1382 = alloca { ptr, i64, i64 }, align 16
+  %a1383 = alloca { ptr, i64, i64 }, align 16
+  %a1384 = alloca { ptr, i64, i64 }, align 16
+  %a1385 = alloca { ptr, i64, i64 }, align 16
+  %a1393 = alloca { ptr, i64, i64 }, align 16
+  %a1394 = alloca { ptr, i64, i64 }, align 16
+  %a1395 = alloca { ptr, i64, i64 }, align 16
+  %a1396 = alloca { ptr, i64, i64 }, align 16
+  %a1399 = alloca { ptr, i64, i64 }, align 16
+  %a1400 = alloca { ptr, i64, i64 }, align 16
+  %a1403 = alloca { ptr, i64, i64 }, align 16
+  %a1404 = alloca { ptr, i64, i64 }, align 16
+  %a1405 = alloca { ptr, i64, i64 }, align 16
+  %a1407 = alloca { ptr, i64, i64 }, align 16
+  %a1408 = alloca { ptr, i64, i64 }, align 16
+  %a1409 = alloca { ptr, i64, i64 }, align 16
+  %a1410 = alloca { ptr, i64, i64 }, align 16
+  %a1413 = alloca { ptr, i64, i64 }, align 16
+  %a1414 = alloca { ptr, i64, i64 }, align 16
+  %a1415 = alloca { ptr, i64, i64 }, align 16
+  %a1416 = alloca { ptr, i64, i64 }, align 16
+  %a1418 = alloca { ptr, i64, i64 }, align 16
+  %a1419 = alloca { ptr, i64, i64 }, align 16
+  %a1420 = alloca { ptr, i64, i64 }, align 16
+  %a1421 = alloca { ptr, i64, i64 }, align 16
+  %a1425 = alloca { ptr, i64, i64 }, align 16
+  %a1426 = alloca { ptr, i64, i64 }, align 16
+  %a1427 = alloca { ptr, i64, i64 }, align 16
+  %a1429 = alloca { ptr, i64, i64 }, align 16
+  %a1430 = alloca { ptr, i64, i64 }, align 16
+  %a1431 = alloca { ptr, i64, i64 }, align 16
+  %a1432 = alloca { ptr, i64, i64 }, align 16
+  %a1440 = alloca { ptr, i64, i64 }, align 16
+  %a1441 = alloca { ptr, i64, i64 }, align 16
+  %a1442 = alloca { ptr, i64, i64 }, align 16
+  %a1443 = alloca { ptr, i64, i64 }, align 16
+  %a1446 = alloca { ptr, i64, i64 }, align 16
+  %a1447 = alloca { ptr, i64, i64 }, align 16
+  %a1448 = alloca { ptr, i64, i64 }, align 16
+  %a1449 = alloca { ptr, i64, i64 }, align 16
+  %a1450 = alloca { ptr, i64, i64 }, align 16
+  %a1451 = alloca { ptr, i64, i64 }, align 16
+  %a1454 = alloca { ptr, i64, i64 }, align 16
+  %a1455 = alloca { ptr, i64, i64 }, align 16
+  %a1467 = alloca %S.ast.Type, align 16
+  %a1468 = alloca %S.ast.Type, align 16
+  %a1473 = alloca { ptr, i64, i64 }, align 16
+  %a1474 = alloca { ptr, i64, i64 }, align 16
+  %a1481 = alloca { ptr, i64, i64 }, align 16
+  %a1482 = alloca { ptr, i64, i64 }, align 16
+  %a1484 = alloca { ptr, i64, i64 }, align 16
+  %a1489 = alloca { ptr, i64, i64 }, align 16
+  %a1490 = alloca { ptr, i64, i64 }, align 16
+  %a1495 = alloca { ptr, i64, i64 }, align 16
+  %a1496 = alloca { ptr, i64, i64 }, align 16
+  %a1505 = alloca { ptr, i64, i64 }, align 16
+  %a1509 = alloca { ptr, i64, i64 }, align 16
+  %a1513 = alloca { ptr, i64, i64 }, align 16
+  %a1516 = alloca { ptr, i64, i64 }, align 16
+  %a1517 = alloca { ptr, i64, i64 }, align 16
+  %a1518 = alloca { ptr, i64, i64 }, align 16
+  %a1520 = alloca { ptr, i64, i64 }, align 16
+  %a1521 = alloca { ptr, i64, i64 }, align 16
+  %a1522 = alloca { ptr, i64, i64 }, align 16
+  %a1523 = alloca { ptr, i64, i64 }, align 16
+  %a1526 = alloca { ptr, i64, i64 }, align 16
+  %a1527 = alloca { ptr, i64, i64 }, align 16
+  %a1528 = alloca { ptr, i64, i64 }, align 16
+  %a1529 = alloca { ptr, i64, i64 }, align 16
+  %a1531 = alloca { ptr, i64, i64 }, align 16
+  %a1532 = alloca { ptr, i64, i64 }, align 16
+  %a1533 = alloca { ptr, i64, i64 }, align 16
+  %a1534 = alloca { ptr, i64, i64 }, align 16
+  %a1539 = alloca { ptr, i64, i64 }, align 16
+  %a1540 = alloca { ptr, i64, i64 }, align 16
+  %a1541 = alloca { ptr, i64, i64 }, align 16
+  %a1542 = alloca { ptr, i64, i64 }, align 16
+  %a1543 = alloca { ptr, i64, i64 }, align 16
+  %a1545 = alloca { ptr, i64, i64 }, align 16
+  %a1546 = alloca { ptr, i64, i64 }, align 16
+  %a1547 = alloca { ptr, i64, i64 }, align 16
+  %a1548 = alloca { ptr, i64, i64 }, align 16
+  %a1551 = alloca { ptr, i64, i64 }, align 16
+  %a1552 = alloca { ptr, i64, i64 }, align 16
+  %a1553 = alloca { ptr, i64, i64 }, align 16
+  %a1554 = alloca { ptr, i64, i64 }, align 16
+  %a1556 = alloca { ptr, i64, i64 }, align 16
+  %a1557 = alloca { ptr, i64, i64 }, align 16
+  %a1558 = alloca { ptr, i64, i64 }, align 16
+  %a1559 = alloca { ptr, i64, i64 }, align 16
+  %a1561 = alloca { ptr, i64, i64 }, align 16
+  %a1567 = alloca { ptr, i64, i64 }, align 16
+  %a1568 = alloca { ptr, i64, i64 }, align 16
+  %a1569 = alloca { ptr, i64, i64 }, align 16
+  %a1571 = alloca { ptr, i64, i64 }, align 16
+  %a1572 = alloca { ptr, i64, i64 }, align 16
+  %a1573 = alloca { ptr, i64, i64 }, align 16
+  %a1574 = alloca { ptr, i64, i64 }, align 16
+  %a1576 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -72536,11 +86496,11 @@ entry:
   %t6 = load { ptr, i64, i64 }, ptr %t5
   %t7 = extractvalue { ptr, i64, i64 } %t6, 1
   %t8 = icmp uge i64 0, %t7
-  br i1 %t8, label %range8008, label %inrange8009
-range8008:
-  call void @finch_panic_index(ptr @.str.5272, i64 4779, i64 0, i64 %t7)
+  br i1 %t8, label %range8458, label %inrange8459
+range8458:
+  call void @finch_panic_index(ptr @.str.5460, i64 5169, i64 0, i64 %t7)
   unreachable
-inrange8009:
+inrange8459:
   %t9 = extractvalue { ptr, i64, i64 } %t6, 0
   %t10 = getelementptr inbounds %S.ast.Type, ptr %t9, i64 0
   %t11 = load %S.ast.Type, ptr %t10
@@ -72560,1599 +86520,2505 @@ inrange8009:
   store { ptr, i64, i64 } %t24, ptr %a25
   %t26 = load ptr, ptr %a1
   %t27 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5273, i64 46, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.5461, i64 46, i64 0 }, ptr %a29
   store { ptr, i64, i64 } %t27, ptr %a30
   call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
   %t31 = load { ptr, i64, i64 }, ptr %a28
   store { ptr, i64, i64 } %t31, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.5274, i64 14, i64 0 }, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.5462, i64 14, i64 0 }, ptr %a34
   call void @finch_str_concat(ptr %a32, ptr %a33, ptr %a34)
-  %t35 = load { ptr, i64, i64 }, ptr %a32
-  %t36 = call { ptr, i64, i64 } @finch.gen.op(ptr %t26, { ptr, i64, i64 } %t35)
-  store { ptr, i64, i64 } %t36, ptr %a37
-  %t38 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.5275, i64 4, i64 0 }, ptr %a40
-  %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
-  %t42 = icmp ne i32 %t41, 0
-  br i1 %t42, label %then8010, label %endif8012
-then8010:
-  %t43 = load ptr, ptr %a1
-  %t44 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t43, %S.ast.Node %t44, i64 1)
+  store { ptr, i64, i64 } %t31, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a32
+  %t37 = call { ptr, i64, i64 } @finch.gen.op(ptr %t26, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t36, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t37, ptr %a39
+  %t40 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t40, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.5463, i64 4, i64 0 }, ptr %a42
+  %t43 = call i32 @finch_str_eq(ptr %a41, ptr %a42)
+  %t44 = icmp ne i32 %t43, 0
+  br i1 %t44, label %then8460, label %endif8462
+then8460:
   %t45 = load ptr, ptr %a1
-  %t46 = load ptr, ptr %a1
+  %t46 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t45, %S.ast.Node %t46, i64 1)
   %t47 = load ptr, ptr %a1
-  %t48 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  %t50 = extractvalue { ptr, i64, i64 } %t49, 1
-  %t51 = icmp uge i64 1, %t50
-  br i1 %t51, label %range8013, label %inrange8014
-range8013:
-  call void @finch_panic_index(ptr @.str.5276, i64 4785, i64 1, i64 %t50)
+  %t48 = load ptr, ptr %a1
+  %t49 = load ptr, ptr %a1
+  %t50 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t51 = load { ptr, i64, i64 }, ptr %t50
+  %t52 = extractvalue { ptr, i64, i64 } %t51, 1
+  %t53 = icmp uge i64 1, %t52
+  br i1 %t53, label %range8463, label %inrange8464
+range8463:
+  call void @finch_panic_index(ptr @.str.5464, i64 5175, i64 1, i64 %t52)
   unreachable
-inrange8014:
-  %t52 = extractvalue { ptr, i64, i64 } %t49, 0
-  %t53 = getelementptr inbounds %S.ast.Node, ptr %t52, i64 1
-  %t54 = load %S.ast.Node, ptr %t53
-  %t55 = load %S.ast.Type, ptr %a15
-  %t56 = call %S.gen.Val @finch.gen.exprWant(ptr %t47, %S.ast.Node %t54, %S.ast.Type %t55)
+inrange8464:
+  %t54 = extractvalue { ptr, i64, i64 } %t51, 0
+  %t55 = getelementptr inbounds %S.ast.Node, ptr %t54, i64 1
+  %t56 = load %S.ast.Node, ptr %t55
   %t57 = load %S.ast.Type, ptr %a15
-  %t58 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t59 = load { ptr, i64, i64 }, ptr %t58
-  %t60 = extractvalue { ptr, i64, i64 } %t59, 1
-  %t61 = icmp uge i64 1, %t60
-  br i1 %t61, label %range8015, label %inrange8016
-range8015:
-  call void @finch_panic_index(ptr @.str.5277, i64 4785, i64 1, i64 %t60)
+  %t58 = call %S.gen.Val @finch.gen.exprWant(ptr %t49, %S.ast.Node %t56, %S.ast.Type %t57)
+  %t59 = load %S.ast.Type, ptr %a15
+  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t61 = load { ptr, i64, i64 }, ptr %t60
+  %t62 = extractvalue { ptr, i64, i64 } %t61, 1
+  %t63 = icmp uge i64 1, %t62
+  br i1 %t63, label %range8465, label %inrange8466
+range8465:
+  call void @finch_panic_index(ptr @.str.5465, i64 5175, i64 1, i64 %t62)
   unreachable
-inrange8016:
-  %t62 = extractvalue { ptr, i64, i64 } %t59, 0
-  %t63 = getelementptr inbounds %S.ast.Node, ptr %t62, i64 1
-  %t64 = load %S.ast.Node, ptr %t63
-  %t65 = call %S.gen.Val @finch.gen.coerce(ptr %t46, %S.gen.Val %t56, %S.ast.Type %t57, %S.ast.Node %t64, { ptr, i64, i64 } { ptr @.str.5278, i64 11, i64 0 })
-  %t66 = call { ptr, i64, i64 } @finch.gen.own(ptr %t45, %S.gen.Val %t65)
-  store { ptr, i64, i64 } %t66, ptr %a67
-  %t68 = load ptr, ptr %a1
-  %t69 = load { ptr, i64, i64 }, ptr %a37
-  %t70 = call { ptr, i64, i64 } @finch.gen.load(ptr %t68, { ptr, i64, i64 } { ptr @.str.5279, i64 3, i64 0 }, { ptr, i64, i64 } %t69)
-  store { ptr, i64, i64 } %t70, ptr %a71
+inrange8466:
+  %t64 = extractvalue { ptr, i64, i64 } %t61, 0
+  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 1
+  %t66 = load %S.ast.Node, ptr %t65
+  %t67 = call %S.gen.Val @finch.gen.coerce(ptr %t48, %S.gen.Val %t58, %S.ast.Type %t59, %S.ast.Node %t66, { ptr, i64, i64 } { ptr @.str.5466, i64 11, i64 0 })
+  store %S.gen.Val %t58, ptr %a68
+  call void @finch.drop.S_gen_Val(ptr %a68)
+  %t69 = call { ptr, i64, i64 } @finch.gen.own(ptr %t47, %S.gen.Val %t67)
+  store %S.gen.Val %t67, ptr %a70
+  call void @finch.drop.S_gen_Val(ptr %a70)
+  store { ptr, i64, i64 } %t69, ptr %a71
   %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.5280, i64 8, i64 0 }, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.5281, i64 3, i64 0 }, ptr %a80
+  %t73 = load { ptr, i64, i64 }, ptr %a39
+  %t74 = call { ptr, i64, i64 } @finch.gen.load(ptr %t72, { ptr, i64, i64 } { ptr @.str.5467, i64 3, i64 0 }, { ptr, i64, i64 } %t73)
+  store { ptr, i64, i64 } %t74, ptr %a75
+  %t76 = load ptr, ptr %a1
+  %t77 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.5468, i64 8, i64 0 }, ptr %a79
+  store { ptr, i64, i64 } %t77, ptr %a80
   call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
   %t81 = load { ptr, i64, i64 }, ptr %a78
-  %t82 = call { ptr, i64, i64 } @finch.gen.op(ptr %t72, { ptr, i64, i64 } %t81)
-  store { ptr, i64, i64 } %t82, ptr %a83
-  %t84 = load ptr, ptr %a1
-  %t85 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5282, i64 33, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.5283, i64 6, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t93, ptr %a96
-  store { ptr, i64, i64 } %t94, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.5284, i64 6, i64 0 }, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  %t103 = load ptr, ptr %a1
-  %t104 = load %S.ast.Type, ptr %a15
-  %t105 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t103, %S.ast.Type %t104)
-  store { ptr, i64, i64 } %t102, ptr %a107
-  store { ptr, i64, i64 } %t105, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  store { ptr, i64, i64 } %t109, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.5285, i64 1, i64 0 }, ptr %a112
-  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
-  %t113 = load { ptr, i64, i64 }, ptr %a110
-  call void @finch.gen.emit(ptr %t84, { ptr, i64, i64 } %t113)
-  %t114 = load ptr, ptr %a1
-  %t115 = load { ptr, i64, i64 }, ptr %a3
-  %t116 = call { ptr, i64, i64 } @finch.gen.load(ptr %t114, { ptr, i64, i64 } { ptr @.str.5286, i64 3, i64 0 }, { ptr, i64, i64 } %t115)
-  store { ptr, i64, i64 } %t116, ptr %a117
-  %t118 = load ptr, ptr %a1
-  %t119 = load { ptr, i64, i64 }, ptr %a19
-  %t120 = load { ptr, i64, i64 }, ptr %a67
-  %t121 = load ptr, ptr %a1
-  %t122 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5287, i64 23, i64 0 }, ptr %a124
-  store { ptr, i64, i64 } %t122, ptr %a125
-  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
-  %t126 = load { ptr, i64, i64 }, ptr %a123
-  store { ptr, i64, i64 } %t126, ptr %a128
-  store { ptr, i64, i64 } { ptr @.str.5288, i64 6, i64 0 }, ptr %a129
-  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
-  %t130 = load { ptr, i64, i64 }, ptr %a127
-  %t131 = load { ptr, i64, i64 }, ptr %a117
-  store { ptr, i64, i64 } %t130, ptr %a133
-  store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.5289, i64 6, i64 0 }, ptr %a138
+  store { ptr, i64, i64 } %t81, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.5469, i64 3, i64 0 }, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t81, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  %t86 = load { ptr, i64, i64 }, ptr %a82
+  %t87 = call { ptr, i64, i64 } @finch.gen.op(ptr %t76, { ptr, i64, i64 } %t86)
+  store { ptr, i64, i64 } %t86, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  store { ptr, i64, i64 } %t87, ptr %a89
+  %t90 = load ptr, ptr %a1
+  %t91 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5470, i64 33, i64 0 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.5471, i64 6, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  %t101 = load { ptr, i64, i64 }, ptr %a89
+  store { ptr, i64, i64 } %t100, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t100, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.5472, i64 6, i64 0 }, ptr %a109
+  call void @finch_str_concat(ptr %a107, ptr %a108, ptr %a109)
+  store { ptr, i64, i64 } %t106, ptr %a110
+  call void @finch_str_drop(ptr %a110)
+  %t111 = load { ptr, i64, i64 }, ptr %a107
+  %t112 = load ptr, ptr %a1
+  %t113 = load %S.ast.Type, ptr %a15
+  %t114 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t112, %S.ast.Type %t113)
+  store { ptr, i64, i64 } %t111, ptr %a116
+  store { ptr, i64, i64 } %t114, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t111, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  store { ptr, i64, i64 } %t114, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a115
+  store { ptr, i64, i64 } %t120, ptr %a122
+  store { ptr, i64, i64 } { ptr @.str.5473, i64 1, i64 0 }, ptr %a123
+  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
+  store { ptr, i64, i64 } %t120, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  call void @finch.gen.emit(ptr %t90, { ptr, i64, i64 } %t125)
+  store { ptr, i64, i64 } %t125, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load ptr, ptr %a1
+  %t128 = load { ptr, i64, i64 }, ptr %a3
+  %t129 = call { ptr, i64, i64 } @finch.gen.load(ptr %t127, { ptr, i64, i64 } { ptr @.str.5474, i64 3, i64 0 }, { ptr, i64, i64 } %t128)
+  store { ptr, i64, i64 } %t129, ptr %a130
+  %t131 = load ptr, ptr %a1
+  %t132 = load { ptr, i64, i64 }, ptr %a19
+  %t133 = load { ptr, i64, i64 }, ptr %a71
+  %t134 = load ptr, ptr %a1
+  %t135 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5475, i64 23, i64 0 }, ptr %a137
+  store { ptr, i64, i64 } %t135, ptr %a138
   call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
   %t139 = load { ptr, i64, i64 }, ptr %a136
-  %t140 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t139, ptr %a142
-  store { ptr, i64, i64 } %t140, ptr %a143
-  call void @finch_str_concat(ptr %a141, ptr %a142, ptr %a143)
-  %t144 = load { ptr, i64, i64 }, ptr %a141
-  %t145 = call { ptr, i64, i64 } @finch.gen.op(ptr %t121, { ptr, i64, i64 } %t144)
-  call void @finch.gen.store(ptr %t118, { ptr, i64, i64 } %t119, { ptr, i64, i64 } %t120, { ptr, i64, i64 } %t145)
-  %t146 = load ptr, ptr %a1
-  %t147 = load { ptr, i64, i64 }, ptr %a83
-  %t148 = load { ptr, i64, i64 }, ptr %a37
-  call void @finch.gen.store(ptr %t146, { ptr, i64, i64 } { ptr @.str.5290, i64 3, i64 0 }, { ptr, i64, i64 } %t147, { ptr, i64, i64 } %t148)
-  %t149 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5291, i64 4, i64 0 })
-  %t150 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t149, 1
-  ret %S.gen.Val %t150
-endif8012:
-  %t151 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t151, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.5292, i64 3, i64 0 }, ptr %a153
-  %t154 = call i32 @finch_str_eq(ptr %a152, ptr %a153)
-  %t155 = icmp ne i32 %t154, 0
-  br i1 %t155, label %then8017, label %endif8019
-then8017:
-  %t156 = load ptr, ptr %a1
-  %t157 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t156, %S.ast.Node %t157, i64 0)
-  %t158 = load ptr, ptr %a1
-  %t159 = load { ptr, i64, i64 }, ptr %a37
-  %t160 = call { ptr, i64, i64 } @finch.gen.load(ptr %t158, { ptr, i64, i64 } { ptr @.str.5293, i64 3, i64 0 }, { ptr, i64, i64 } %t159)
-  store { ptr, i64, i64 } %t160, ptr %a161
-  %t162 = load ptr, ptr %a1
-  %t163 = load ptr, ptr %a1
-  %t164 = load { ptr, i64, i64 }, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.5294, i64 12, i64 0 }, ptr %a166
-  store { ptr, i64, i64 } %t164, ptr %a167
-  call void @finch_str_concat(ptr %a165, ptr %a166, ptr %a167)
-  %t168 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } %t168, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.5295, i64 3, i64 0 }, ptr %a171
-  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
-  %t172 = load { ptr, i64, i64 }, ptr %a169
-  %t173 = call { ptr, i64, i64 } @finch.gen.op(ptr %t163, { ptr, i64, i64 } %t172)
-  %t174 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t162, { ptr, i64, i64 } %t173, { ptr, i64, i64 } { ptr @.str.5296, i64 23, i64 0 }, %S.ast.Node %t174)
+  store { ptr, i64, i64 } %t139, ptr %a141
+  store { ptr, i64, i64 } { ptr @.str.5476, i64 6, i64 0 }, ptr %a142
+  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
+  store { ptr, i64, i64 } %t139, ptr %a143
+  call void @finch_str_drop(ptr %a143)
+  %t144 = load { ptr, i64, i64 }, ptr %a140
+  %t145 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t144, ptr %a147
+  store { ptr, i64, i64 } %t145, ptr %a148
+  call void @finch_str_concat(ptr %a146, ptr %a147, ptr %a148)
+  store { ptr, i64, i64 } %t144, ptr %a149
+  call void @finch_str_drop(ptr %a149)
+  %t150 = load { ptr, i64, i64 }, ptr %a146
+  store { ptr, i64, i64 } %t150, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.5477, i64 6, i64 0 }, ptr %a153
+  call void @finch_str_concat(ptr %a151, ptr %a152, ptr %a153)
+  store { ptr, i64, i64 } %t150, ptr %a154
+  call void @finch_str_drop(ptr %a154)
+  %t155 = load { ptr, i64, i64 }, ptr %a151
+  %t156 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t155, ptr %a158
+  store { ptr, i64, i64 } %t156, ptr %a159
+  call void @finch_str_concat(ptr %a157, ptr %a158, ptr %a159)
+  store { ptr, i64, i64 } %t155, ptr %a160
+  call void @finch_str_drop(ptr %a160)
+  %t161 = load { ptr, i64, i64 }, ptr %a157
+  %t162 = call { ptr, i64, i64 } @finch.gen.op(ptr %t134, { ptr, i64, i64 } %t161)
+  store { ptr, i64, i64 } %t161, ptr %a163
+  call void @finch_str_drop(ptr %a163)
+  call void @finch.gen.store(ptr %t131, { ptr, i64, i64 } %t132, { ptr, i64, i64 } %t133, { ptr, i64, i64 } %t162)
+  store { ptr, i64, i64 } %t162, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  %t165 = load ptr, ptr %a1
+  %t166 = load { ptr, i64, i64 }, ptr %a89
+  %t167 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.store(ptr %t165, { ptr, i64, i64 } { ptr @.str.5478, i64 3, i64 0 }, { ptr, i64, i64 } %t166, { ptr, i64, i64 } %t167)
+  %t168 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5479, i64 4, i64 0 })
+  %t169 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t168, 1
+  call void @finch_str_drop(ptr %a130)
+  call void @finch_str_drop(ptr %a89)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a71)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t169
+endif8462:
+  %t170 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t170, ptr %a171
+  store { ptr, i64, i64 } { ptr @.str.5480, i64 3, i64 0 }, ptr %a172
+  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
+  %t174 = icmp ne i32 %t173, 0
+  br i1 %t174, label %then8467, label %endif8469
+then8467:
   %t175 = load ptr, ptr %a1
-  %t176 = load { ptr, i64, i64 }, ptr %a161
-  store { ptr, i64, i64 } { ptr @.str.5297, i64 8, i64 0 }, ptr %a178
-  store { ptr, i64, i64 } %t176, ptr %a179
-  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
-  %t180 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t180, ptr %a182
-  store { ptr, i64, i64 } { ptr @.str.5298, i64 3, i64 0 }, ptr %a183
-  call void @finch_str_concat(ptr %a181, ptr %a182, ptr %a183)
-  %t184 = load { ptr, i64, i64 }, ptr %a181
-  %t185 = call { ptr, i64, i64 } @finch.gen.op(ptr %t175, { ptr, i64, i64 } %t184)
-  store { ptr, i64, i64 } %t185, ptr %a186
-  %t187 = load ptr, ptr %a1
-  %t188 = load { ptr, i64, i64 }, ptr %a3
-  %t189 = call { ptr, i64, i64 } @finch.gen.load(ptr %t187, { ptr, i64, i64 } { ptr @.str.5299, i64 3, i64 0 }, { ptr, i64, i64 } %t188)
-  store { ptr, i64, i64 } %t189, ptr %a190
-  %t191 = load ptr, ptr %a1
-  %t192 = load { ptr, i64, i64 }, ptr %a19
-  %t193 = load ptr, ptr %a1
-  %t194 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5300, i64 23, i64 0 }, ptr %a196
-  store { ptr, i64, i64 } %t194, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t198, ptr %a200
-  store { ptr, i64, i64 } { ptr @.str.5301, i64 6, i64 0 }, ptr %a201
+  %t176 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t175, %S.ast.Node %t176, i64 0)
+  %t177 = load ptr, ptr %a1
+  %t178 = load { ptr, i64, i64 }, ptr %a39
+  %t179 = call { ptr, i64, i64 } @finch.gen.load(ptr %t177, { ptr, i64, i64 } { ptr @.str.5481, i64 3, i64 0 }, { ptr, i64, i64 } %t178)
+  store { ptr, i64, i64 } %t179, ptr %a180
+  %t181 = load ptr, ptr %a1
+  %t182 = load ptr, ptr %a1
+  %t183 = load { ptr, i64, i64 }, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5482, i64 12, i64 0 }, ptr %a185
+  store { ptr, i64, i64 } %t183, ptr %a186
+  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
+  %t187 = load { ptr, i64, i64 }, ptr %a184
+  store { ptr, i64, i64 } %t187, ptr %a189
+  store { ptr, i64, i64 } { ptr @.str.5483, i64 3, i64 0 }, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  %t193 = call { ptr, i64, i64 } @finch.gen.op(ptr %t182, { ptr, i64, i64 } %t192)
+  store { ptr, i64, i64 } %t192, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  %t195 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t181, { ptr, i64, i64 } %t193, { ptr, i64, i64 } { ptr @.str.5484, i64 23, i64 0 }, %S.ast.Node %t195)
+  store { ptr, i64, i64 } %t193, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load ptr, ptr %a1
+  %t198 = load { ptr, i64, i64 }, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.5485, i64 8, i64 0 }, ptr %a200
+  store { ptr, i64, i64 } %t198, ptr %a201
   call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
   %t202 = load { ptr, i64, i64 }, ptr %a199
-  %t203 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } %t202, ptr %a205
-  store { ptr, i64, i64 } %t203, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t202, ptr %a204
+  store { ptr, i64, i64 } { ptr @.str.5486, i64 3, i64 0 }, ptr %a205
+  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
+  store { ptr, i64, i64 } %t202, ptr %a206
+  call void @finch_str_drop(ptr %a206)
+  %t207 = load { ptr, i64, i64 }, ptr %a203
+  %t208 = call { ptr, i64, i64 } @finch.gen.op(ptr %t197, { ptr, i64, i64 } %t207)
   store { ptr, i64, i64 } %t207, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.5302, i64 6, i64 0 }, ptr %a210
-  call void @finch_str_concat(ptr %a208, ptr %a209, ptr %a210)
-  %t211 = load { ptr, i64, i64 }, ptr %a208
-  %t212 = load { ptr, i64, i64 }, ptr %a186
-  store { ptr, i64, i64 } %t211, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  %t217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t193, { ptr, i64, i64 } %t216)
-  %t218 = call { ptr, i64, i64 } @finch.gen.load(ptr %t191, { ptr, i64, i64 } %t192, { ptr, i64, i64 } %t217)
-  store { ptr, i64, i64 } %t218, ptr %a219
-  %t220 = load ptr, ptr %a1
-  %t221 = load { ptr, i64, i64 }, ptr %a186
-  %t222 = load { ptr, i64, i64 }, ptr %a37
-  call void @finch.gen.store(ptr %t220, { ptr, i64, i64 } { ptr @.str.5303, i64 3, i64 0 }, { ptr, i64, i64 } %t221, { ptr, i64, i64 } %t222)
-  %t223 = load { ptr, i64, i64 }, ptr %a219
-  store { ptr, i64, i64 } %t223, ptr %a224
-  call void @finch_str_copy(ptr %a225, ptr %a224)
-  %t226 = load { ptr, i64, i64 }, ptr %a225
-  %t227 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t226, 0
-  %t228 = load %S.ast.Type, ptr %a15
-  store %S.ast.Type %t228, ptr %a229
-  call void @finch.copy.S_ast_Type(ptr %a230, ptr %a229)
-  %t231 = load %S.ast.Type, ptr %a230
-  %t232 = insertvalue %S.gen.Val %t227, %S.ast.Type %t231, 1
-  %t233 = load ptr, ptr %a1
-  %t234 = load %S.ast.Type, ptr %a15
-  %t235 = call i1 @finch.gen.owning(ptr %t233, %S.ast.Type %t234)
-  %t236 = insertvalue %S.gen.Val %t232, i1 %t235, 2
-  ret %S.gen.Val %t236
-endif8019:
-  %t237 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t237, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.5304, i64 5, i64 0 }, ptr %a239
-  %t240 = call i32 @finch_str_eq(ptr %a238, ptr %a239)
-  %t241 = icmp ne i32 %t240, 0
-  br i1 %t241, label %then8020, label %endif8022
-then8020:
-  %t242 = load ptr, ptr %a1
-  %t243 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t242, %S.ast.Node %t243, i64 0)
-  %t244 = load ptr, ptr %a1
-  %t245 = load { ptr, i64, i64 }, ptr %a37
-  call void @finch.gen.store(ptr %t244, { ptr, i64, i64 } { ptr @.str.5305, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5306, i64 1, i64 0 }, { ptr, i64, i64 } %t245)
-  %t246 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5307, i64 4, i64 0 })
-  %t247 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t246, 1
-  ret %S.gen.Val %t247
-endif8022:
-  %t248 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t248, ptr %a249
-  store { ptr, i64, i64 } { ptr @.str.5308, i64 4, i64 0 }, ptr %a250
-  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
-  %t252 = icmp ne i32 %t251, 0
-  br label %logic.from8023
-logic.from8023:
-  br i1 %t252, label %logic.end8025, label %logic.rhs8024
-logic.rhs8024:
-  %t253 = load { ptr, i64, i64 }, ptr %a25
+  call void @finch_str_drop(ptr %a209)
+  store { ptr, i64, i64 } %t208, ptr %a210
+  %t211 = load ptr, ptr %a1
+  %t212 = load { ptr, i64, i64 }, ptr %a3
+  %t213 = call { ptr, i64, i64 } @finch.gen.load(ptr %t211, { ptr, i64, i64 } { ptr @.str.5487, i64 3, i64 0 }, { ptr, i64, i64 } %t212)
+  store { ptr, i64, i64 } %t213, ptr %a214
+  %t215 = load ptr, ptr %a1
+  %t216 = load { ptr, i64, i64 }, ptr %a19
+  %t217 = load ptr, ptr %a1
+  %t218 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5488, i64 23, i64 0 }, ptr %a220
+  store { ptr, i64, i64 } %t218, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  %t222 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t222, ptr %a224
+  store { ptr, i64, i64 } { ptr @.str.5489, i64 6, i64 0 }, ptr %a225
+  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
+  store { ptr, i64, i64 } %t222, ptr %a226
+  call void @finch_str_drop(ptr %a226)
+  %t227 = load { ptr, i64, i64 }, ptr %a223
+  %t228 = load { ptr, i64, i64 }, ptr %a214
+  store { ptr, i64, i64 } %t227, ptr %a230
+  store { ptr, i64, i64 } %t228, ptr %a231
+  call void @finch_str_concat(ptr %a229, ptr %a230, ptr %a231)
+  store { ptr, i64, i64 } %t227, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  %t233 = load { ptr, i64, i64 }, ptr %a229
+  store { ptr, i64, i64 } %t233, ptr %a235
+  store { ptr, i64, i64 } { ptr @.str.5490, i64 6, i64 0 }, ptr %a236
+  call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  %t239 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } %t238, ptr %a241
+  store { ptr, i64, i64 } %t239, ptr %a242
+  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
+  store { ptr, i64, i64 } %t238, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  %t244 = load { ptr, i64, i64 }, ptr %a240
+  %t245 = call { ptr, i64, i64 } @finch.gen.op(ptr %t217, { ptr, i64, i64 } %t244)
+  store { ptr, i64, i64 } %t244, ptr %a246
+  call void @finch_str_drop(ptr %a246)
+  %t247 = call { ptr, i64, i64 } @finch.gen.load(ptr %t215, { ptr, i64, i64 } %t216, { ptr, i64, i64 } %t245)
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_drop(ptr %a248)
+  store { ptr, i64, i64 } %t247, ptr %a249
+  %t250 = load ptr, ptr %a1
+  %t251 = load { ptr, i64, i64 }, ptr %a210
+  %t252 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.store(ptr %t250, { ptr, i64, i64 } { ptr @.str.5491, i64 3, i64 0 }, { ptr, i64, i64 } %t251, { ptr, i64, i64 } %t252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
   store { ptr, i64, i64 } %t253, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.5309, i64 8, i64 0 }, ptr %a255
-  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
-  %t257 = icmp ne i32 %t256, 0
-  br label %logic.rend8026
-logic.rend8026:
-  br label %logic.end8025
-logic.end8025:
-  %t258 = phi i1 [ true, %logic.from8023 ], [ %t257, %logic.rend8026 ]
-  br i1 %t258, label %then8027, label %endif8029
-then8027:
-  %t259 = load ptr, ptr %a1
-  %t260 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t259, %S.ast.Node %t260, i64 1)
-  %t261 = load ptr, ptr %a1
-  %t262 = load ptr, ptr %a1
-  %t263 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t264 = load { ptr, i64, i64 }, ptr %t263
-  %t265 = extractvalue { ptr, i64, i64 } %t264, 1
-  %t266 = icmp uge i64 1, %t265
-  br i1 %t266, label %range8030, label %inrange8031
-range8030:
-  call void @finch_panic_index(ptr @.str.5310, i64 4811, i64 1, i64 %t265)
-  unreachable
-inrange8031:
-  %t267 = extractvalue { ptr, i64, i64 } %t264, 0
-  %t268 = getelementptr inbounds %S.ast.Node, ptr %t267, i64 1
-  %t269 = load %S.ast.Node, ptr %t268
-  %t270 = load %S.ast.Type, ptr %a15
-  %t271 = call %S.gen.Val @finch.gen.exprWant(ptr %t262, %S.ast.Node %t269, %S.ast.Type %t270)
-  %t272 = load %S.ast.Type, ptr %a15
-  %t273 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t274 = load { ptr, i64, i64 }, ptr %t273
-  %t275 = extractvalue { ptr, i64, i64 } %t274, 1
-  %t276 = icmp uge i64 1, %t275
-  br i1 %t276, label %range8032, label %inrange8033
-range8032:
-  call void @finch_panic_index(ptr @.str.5311, i64 4811, i64 1, i64 %t275)
-  unreachable
-inrange8033:
-  %t277 = extractvalue { ptr, i64, i64 } %t274, 0
-  %t278 = getelementptr inbounds %S.ast.Node, ptr %t277, i64 1
-  %t279 = load %S.ast.Node, ptr %t278
-  %t280 = call %S.gen.Val @finch.gen.coerce(ptr %t261, %S.gen.Val %t271, %S.ast.Type %t272, %S.ast.Node %t279, { ptr, i64, i64 } { ptr @.str.5312, i64 21, i64 0 })
-  store %S.gen.Val %t280, ptr %a281
-  %t282 = load ptr, ptr %a1
-  %t283 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t282, { ptr, i64, i64 } { ptr @.str.5313, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t283, ptr %a284
-  %t285 = load ptr, ptr %a1
-  %t286 = load { ptr, i64, i64 }, ptr %a284
-  call void @finch.gen.store(ptr %t285, { ptr, i64, i64 } { ptr @.str.5314, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5315, i64 2, i64 0 }, { ptr, i64, i64 } %t286)
-  %t287 = load ptr, ptr %a1
-  %t288 = load { ptr, i64, i64 }, ptr %a37
-  %t289 = call { ptr, i64, i64 } @finch.gen.load(ptr %t287, { ptr, i64, i64 } { ptr @.str.5316, i64 3, i64 0 }, { ptr, i64, i64 } %t288)
-  store { ptr, i64, i64 } %t289, ptr %a290
-  %t291 = load ptr, ptr %a1
-  %t292 = load { ptr, i64, i64 }, ptr %a3
-  %t293 = call { ptr, i64, i64 } @finch.gen.load(ptr %t291, { ptr, i64, i64 } { ptr @.str.5317, i64 3, i64 0 }, { ptr, i64, i64 } %t292)
-  store { ptr, i64, i64 } %t293, ptr %a294
+  call void @finch_str_copy(ptr %a255, ptr %a254)
+  %t256 = load { ptr, i64, i64 }, ptr %a255
+  %t257 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t256, 0
+  %t258 = load %S.ast.Type, ptr %a15
+  store %S.ast.Type %t258, ptr %a259
+  call void @finch.copy.S_ast_Type(ptr %a260, ptr %a259)
+  %t261 = load %S.ast.Type, ptr %a260
+  %t262 = insertvalue %S.gen.Val %t257, %S.ast.Type %t261, 1
+  %t263 = load ptr, ptr %a1
+  %t264 = load %S.ast.Type, ptr %a15
+  %t265 = call i1 @finch.gen.owning(ptr %t263, %S.ast.Type %t264)
+  %t266 = insertvalue %S.gen.Val %t262, i1 %t265, 2
+  call void @finch_str_drop(ptr %a249)
+  call void @finch_str_drop(ptr %a214)
+  call void @finch_str_drop(ptr %a210)
+  call void @finch_str_drop(ptr %a180)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t266
+endif8469:
+  %t267 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t267, ptr %a268
+  store { ptr, i64, i64 } { ptr @.str.5492, i64 5, i64 0 }, ptr %a269
+  %t270 = call i32 @finch_str_eq(ptr %a268, ptr %a269)
+  %t271 = icmp ne i32 %t270, 0
+  br i1 %t271, label %then8470, label %endif8472
+then8470:
+  %t272 = load ptr, ptr %a1
+  %t273 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t272, %S.ast.Node %t273, i64 0)
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a3
+  %t276 = load %S.ast.Type, ptr %a4
+  call void @finch.gen.dropFrom(ptr %t274, { ptr, i64, i64 } %t275, %S.ast.Type %t276, { ptr, i64, i64 } { ptr @.str.5493, i64 1, i64 0 })
+  %t277 = load ptr, ptr %a1
+  %t278 = load { ptr, i64, i64 }, ptr %a39
+  call void @finch.gen.store(ptr %t277, { ptr, i64, i64 } { ptr @.str.5494, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5495, i64 1, i64 0 }, { ptr, i64, i64 } %t278)
+  %t279 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5496, i64 4, i64 0 })
+  %t280 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t279, 1
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t280
+endif8472:
+  %t281 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t281, ptr %a282
+  store { ptr, i64, i64 } { ptr @.str.5497, i64 4, i64 0 }, ptr %a283
+  %t284 = call i32 @finch_str_eq(ptr %a282, ptr %a283)
+  %t285 = icmp ne i32 %t284, 0
+  br label %logic.from8473
+logic.from8473:
+  br i1 %t285, label %logic.end8475, label %logic.rhs8474
+logic.rhs8474:
+  %t286 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t286, ptr %a287
+  store { ptr, i64, i64 } { ptr @.str.5498, i64 8, i64 0 }, ptr %a288
+  %t289 = call i32 @finch_str_eq(ptr %a287, ptr %a288)
+  %t290 = icmp ne i32 %t289, 0
+  br label %logic.rend8476
+logic.rend8476:
+  br label %logic.end8475
+logic.end8475:
+  %t291 = phi i1 [ true, %logic.from8473 ], [ %t290, %logic.rend8476 ]
+  br i1 %t291, label %then8477, label %endif8479
+then8477:
+  %t292 = load ptr, ptr %a1
+  %t293 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t292, %S.ast.Node %t293, i64 1)
+  %t294 = load ptr, ptr %a1
   %t295 = load ptr, ptr %a1
-  %t296 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t295, { ptr, i64, i64 } { ptr @.str.5318, i64 3, i64 0 })
-  store { ptr, i64, i64 } %t296, ptr %a297
-  %t298 = load ptr, ptr %a1
-  %t299 = load { ptr, i64, i64 }, ptr %a297
-  call void @finch.gen.store(ptr %t298, { ptr, i64, i64 } { ptr @.str.5319, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5320, i64 1, i64 0 }, { ptr, i64, i64 } %t299)
-  %t300 = load ptr, ptr %a1
-  %t301 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t300, { ptr, i64, i64 } { ptr @.str.5321, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t301, ptr %a302
-  %t303 = load ptr, ptr %a1
-  %t304 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t303, { ptr, i64, i64 } { ptr @.str.5322, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t304, ptr %a305
-  %t306 = load ptr, ptr %a1
-  %t307 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t306, { ptr, i64, i64 } { ptr @.str.5323, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t307, ptr %a308
-  %t309 = load ptr, ptr %a1
-  %t310 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t309, { ptr, i64, i64 } { ptr @.str.5324, i64 9, i64 0 })
-  store { ptr, i64, i64 } %t310, ptr %a311
-  %t312 = load ptr, ptr %a1
-  %t313 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t312, { ptr, i64, i64 } { ptr @.str.5325, i64 8, i64 0 })
-  store { ptr, i64, i64 } %t313, ptr %a314
-  %t315 = load ptr, ptr %a1
-  %t316 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.br(ptr %t315, { ptr, i64, i64 } %t316)
-  %t317 = load ptr, ptr %a1
-  %t318 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.label(ptr %t317, { ptr, i64, i64 } %t318)
+  %t296 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t297 = load { ptr, i64, i64 }, ptr %t296
+  %t298 = extractvalue { ptr, i64, i64 } %t297, 1
+  %t299 = icmp uge i64 1, %t298
+  br i1 %t299, label %range8480, label %inrange8481
+range8480:
+  call void @finch_panic_index(ptr @.str.5499, i64 5202, i64 1, i64 %t298)
+  unreachable
+inrange8481:
+  %t300 = extractvalue { ptr, i64, i64 } %t297, 0
+  %t301 = getelementptr inbounds %S.ast.Node, ptr %t300, i64 1
+  %t302 = load %S.ast.Node, ptr %t301
+  %t303 = load %S.ast.Type, ptr %a15
+  %t304 = call %S.gen.Val @finch.gen.exprWant(ptr %t295, %S.ast.Node %t302, %S.ast.Type %t303)
+  %t305 = load %S.ast.Type, ptr %a15
+  %t306 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t307 = load { ptr, i64, i64 }, ptr %t306
+  %t308 = extractvalue { ptr, i64, i64 } %t307, 1
+  %t309 = icmp uge i64 1, %t308
+  br i1 %t309, label %range8482, label %inrange8483
+range8482:
+  call void @finch_panic_index(ptr @.str.5500, i64 5202, i64 1, i64 %t308)
+  unreachable
+inrange8483:
+  %t310 = extractvalue { ptr, i64, i64 } %t307, 0
+  %t311 = getelementptr inbounds %S.ast.Node, ptr %t310, i64 1
+  %t312 = load %S.ast.Node, ptr %t311
+  %t313 = call %S.gen.Val @finch.gen.coerce(ptr %t294, %S.gen.Val %t304, %S.ast.Type %t305, %S.ast.Node %t312, { ptr, i64, i64 } { ptr @.str.5501, i64 21, i64 0 })
+  store %S.gen.Val %t304, ptr %a314
+  call void @finch.drop.S_gen_Val(ptr %a314)
+  store %S.gen.Val %t313, ptr %a315
+  %t316 = load ptr, ptr %a1
+  %t317 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t316, { ptr, i64, i64 } { ptr @.str.5502, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t317, ptr %a318
   %t319 = load ptr, ptr %a1
-  %t320 = load { ptr, i64, i64 }, ptr %a297
-  %t321 = call { ptr, i64, i64 } @finch.gen.load(ptr %t319, { ptr, i64, i64 } { ptr @.str.5326, i64 3, i64 0 }, { ptr, i64, i64 } %t320)
-  store { ptr, i64, i64 } %t321, ptr %a322
-  %t323 = load ptr, ptr %a1
-  %t324 = load { ptr, i64, i64 }, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.5327, i64 13, i64 0 }, ptr %a326
-  store { ptr, i64, i64 } %t324, ptr %a327
-  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
-  %t328 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t328, ptr %a330
-  store { ptr, i64, i64 } { ptr @.str.5328, i64 2, i64 0 }, ptr %a331
-  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
-  %t332 = load { ptr, i64, i64 }, ptr %a329
-  %t333 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t332, ptr %a335
-  store { ptr, i64, i64 } %t333, ptr %a336
-  call void @finch_str_concat(ptr %a334, ptr %a335, ptr %a336)
-  %t337 = load { ptr, i64, i64 }, ptr %a334
-  %t338 = call { ptr, i64, i64 } @finch.gen.op(ptr %t323, { ptr, i64, i64 } %t337)
+  %t320 = load { ptr, i64, i64 }, ptr %a318
+  call void @finch.gen.store(ptr %t319, { ptr, i64, i64 } { ptr @.str.5503, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5504, i64 2, i64 0 }, { ptr, i64, i64 } %t320)
+  %t321 = load ptr, ptr %a1
+  %t322 = load { ptr, i64, i64 }, ptr %a39
+  %t323 = call { ptr, i64, i64 } @finch.gen.load(ptr %t321, { ptr, i64, i64 } { ptr @.str.5505, i64 3, i64 0 }, { ptr, i64, i64 } %t322)
+  store { ptr, i64, i64 } %t323, ptr %a324
+  %t325 = load ptr, ptr %a1
+  %t326 = load { ptr, i64, i64 }, ptr %a3
+  %t327 = call { ptr, i64, i64 } @finch.gen.load(ptr %t325, { ptr, i64, i64 } { ptr @.str.5506, i64 3, i64 0 }, { ptr, i64, i64 } %t326)
+  store { ptr, i64, i64 } %t327, ptr %a328
+  %t329 = load ptr, ptr %a1
+  %t330 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t329, { ptr, i64, i64 } { ptr @.str.5507, i64 3, i64 0 })
+  store { ptr, i64, i64 } %t330, ptr %a331
+  %t332 = load ptr, ptr %a1
+  %t333 = load { ptr, i64, i64 }, ptr %a331
+  call void @finch.gen.store(ptr %t332, { ptr, i64, i64 } { ptr @.str.5508, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5509, i64 1, i64 0 }, { ptr, i64, i64 } %t333)
+  %t334 = load ptr, ptr %a1
+  %t335 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t334, { ptr, i64, i64 } { ptr @.str.5510, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t335, ptr %a336
+  %t337 = load ptr, ptr %a1
+  %t338 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t337, { ptr, i64, i64 } { ptr @.str.5511, i64 9, i64 0 })
   store { ptr, i64, i64 } %t338, ptr %a339
   %t340 = load ptr, ptr %a1
-  %t341 = load { ptr, i64, i64 }, ptr %a339
-  %t342 = load { ptr, i64, i64 }, ptr %a305
-  %t343 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.condBr(ptr %t340, { ptr, i64, i64 } %t341, { ptr, i64, i64 } %t342, { ptr, i64, i64 } %t343)
-  %t344 = load ptr, ptr %a1
-  %t345 = load { ptr, i64, i64 }, ptr %a305
-  call void @finch.gen.label(ptr %t344, { ptr, i64, i64 } %t345)
+  %t341 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t340, { ptr, i64, i64 } { ptr @.str.5512, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t341, ptr %a342
+  %t343 = load ptr, ptr %a1
+  %t344 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t343, { ptr, i64, i64 } { ptr @.str.5513, i64 9, i64 0 })
+  store { ptr, i64, i64 } %t344, ptr %a345
   %t346 = load ptr, ptr %a1
-  %t347 = load { ptr, i64, i64 }, ptr %a19
-  %t348 = load ptr, ptr %a1
-  %t349 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5329, i64 23, i64 0 }, ptr %a351
-  store { ptr, i64, i64 } %t349, ptr %a352
-  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
-  %t353 = load { ptr, i64, i64 }, ptr %a350
-  store { ptr, i64, i64 } %t353, ptr %a355
-  store { ptr, i64, i64 } { ptr @.str.5330, i64 6, i64 0 }, ptr %a356
-  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  %t358 = load { ptr, i64, i64 }, ptr %a294
-  store { ptr, i64, i64 } %t357, ptr %a360
+  %t347 = call { ptr, i64, i64 } @finch.gen.newLabel(ptr %t346, { ptr, i64, i64 } { ptr @.str.5514, i64 8, i64 0 })
+  store { ptr, i64, i64 } %t347, ptr %a348
+  %t349 = load ptr, ptr %a1
+  %t350 = load { ptr, i64, i64 }, ptr %a336
+  call void @finch.gen.br(ptr %t349, { ptr, i64, i64 } %t350)
+  %t351 = load ptr, ptr %a1
+  %t352 = load { ptr, i64, i64 }, ptr %a336
+  call void @finch.gen.label(ptr %t351, { ptr, i64, i64 } %t352)
+  %t353 = load ptr, ptr %a1
+  %t354 = load { ptr, i64, i64 }, ptr %a331
+  %t355 = call { ptr, i64, i64 } @finch.gen.load(ptr %t353, { ptr, i64, i64 } { ptr @.str.5515, i64 3, i64 0 }, { ptr, i64, i64 } %t354)
+  store { ptr, i64, i64 } %t355, ptr %a356
+  %t357 = load ptr, ptr %a1
+  %t358 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5516, i64 13, i64 0 }, ptr %a360
   store { ptr, i64, i64 } %t358, ptr %a361
   call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
   %t362 = load { ptr, i64, i64 }, ptr %a359
   store { ptr, i64, i64 } %t362, ptr %a364
-  store { ptr, i64, i64 } { ptr @.str.5331, i64 6, i64 0 }, ptr %a365
+  store { ptr, i64, i64 } { ptr @.str.5517, i64 2, i64 0 }, ptr %a365
   call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
-  %t366 = load { ptr, i64, i64 }, ptr %a363
-  %t367 = load { ptr, i64, i64 }, ptr %a322
-  store { ptr, i64, i64 } %t366, ptr %a369
+  store { ptr, i64, i64 } %t362, ptr %a366
+  call void @finch_str_drop(ptr %a366)
+  %t367 = load { ptr, i64, i64 }, ptr %a363
+  %t368 = load { ptr, i64, i64 }, ptr %a324
   store { ptr, i64, i64 } %t367, ptr %a370
-  call void @finch_str_concat(ptr %a368, ptr %a369, ptr %a370)
-  %t371 = load { ptr, i64, i64 }, ptr %a368
-  %t372 = call { ptr, i64, i64 } @finch.gen.op(ptr %t348, { ptr, i64, i64 } %t371)
-  %t373 = call { ptr, i64, i64 } @finch.gen.load(ptr %t346, { ptr, i64, i64 } %t347, { ptr, i64, i64 } %t372)
-  %t374 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t373, 0
-  %t375 = load %S.ast.Type, ptr %a15
-  store %S.ast.Type %t375, ptr %a376
-  call void @finch.copy.S_ast_Type(ptr %a377, ptr %a376)
-  %t378 = load %S.ast.Type, ptr %a377
-  %t379 = insertvalue %S.gen.Val %t374, %S.ast.Type %t378, 1
-  store %S.gen.Val %t379, ptr %a380
+  store { ptr, i64, i64 } %t368, ptr %a371
+  call void @finch_str_concat(ptr %a369, ptr %a370, ptr %a371)
+  store { ptr, i64, i64 } %t367, ptr %a372
+  call void @finch_str_drop(ptr %a372)
+  %t373 = load { ptr, i64, i64 }, ptr %a369
+  %t374 = call { ptr, i64, i64 } @finch.gen.op(ptr %t357, { ptr, i64, i64 } %t373)
+  store { ptr, i64, i64 } %t373, ptr %a375
+  call void @finch_str_drop(ptr %a375)
+  store { ptr, i64, i64 } %t374, ptr %a376
+  %t377 = load ptr, ptr %a1
+  %t378 = load { ptr, i64, i64 }, ptr %a376
+  %t379 = load { ptr, i64, i64 }, ptr %a339
+  %t380 = load { ptr, i64, i64 }, ptr %a348
+  call void @finch.gen.condBr(ptr %t377, { ptr, i64, i64 } %t378, { ptr, i64, i64 } %t379, { ptr, i64, i64 } %t380)
   %t381 = load ptr, ptr %a1
-  %t382 = load %S.gen.Val, ptr %a380
-  %t383 = load %S.gen.Val, ptr %a281
-  %t384 = load %S.ast.Node, ptr %a2
-  %t385 = call %S.gen.Val @finch.gen.compare(ptr %t381, { ptr, i64, i64 } { ptr @.str.5332, i64 2, i64 0 }, %S.gen.Val %t382, %S.gen.Val %t383, %S.ast.Node %t384)
-  %t386 = extractvalue %S.gen.Val %t385, 0
-  store { ptr, i64, i64 } %t386, ptr %a387
-  call void @finch_str_copy(ptr %a388, ptr %a387)
-  %t389 = load { ptr, i64, i64 }, ptr %a388
-  store { ptr, i64, i64 } %t389, ptr %a390
-  %t391 = load ptr, ptr %a1
-  %t392 = load { ptr, i64, i64 }, ptr %a390
-  %t393 = load { ptr, i64, i64 }, ptr %a308
-  %t394 = load { ptr, i64, i64 }, ptr %a311
-  call void @finch.gen.condBr(ptr %t391, { ptr, i64, i64 } %t392, { ptr, i64, i64 } %t393, { ptr, i64, i64 } %t394)
-  %t395 = load ptr, ptr %a1
-  %t396 = load { ptr, i64, i64 }, ptr %a308
-  call void @finch.gen.label(ptr %t395, { ptr, i64, i64 } %t396)
-  %t397 = load ptr, ptr %a1
-  %t398 = load { ptr, i64, i64 }, ptr %a322
-  %t399 = load { ptr, i64, i64 }, ptr %a284
-  call void @finch.gen.store(ptr %t397, { ptr, i64, i64 } { ptr @.str.5333, i64 3, i64 0 }, { ptr, i64, i64 } %t398, { ptr, i64, i64 } %t399)
-  %t400 = load ptr, ptr %a1
-  %t401 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.br(ptr %t400, { ptr, i64, i64 } %t401)
-  %t402 = load ptr, ptr %a1
-  %t403 = load { ptr, i64, i64 }, ptr %a311
-  call void @finch.gen.label(ptr %t402, { ptr, i64, i64 } %t403)
-  %t404 = load ptr, ptr %a1
-  %t405 = load ptr, ptr %a1
-  %t406 = load { ptr, i64, i64 }, ptr %a322
-  store { ptr, i64, i64 } { ptr @.str.5335, i64 8, i64 0 }, ptr %a408
+  %t382 = load { ptr, i64, i64 }, ptr %a339
+  call void @finch.gen.label(ptr %t381, { ptr, i64, i64 } %t382)
+  %t383 = load ptr, ptr %a1
+  %t384 = load { ptr, i64, i64 }, ptr %a19
+  %t385 = load ptr, ptr %a1
+  %t386 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5518, i64 23, i64 0 }, ptr %a388
+  store { ptr, i64, i64 } %t386, ptr %a389
+  call void @finch_str_concat(ptr %a387, ptr %a388, ptr %a389)
+  %t390 = load { ptr, i64, i64 }, ptr %a387
+  store { ptr, i64, i64 } %t390, ptr %a392
+  store { ptr, i64, i64 } { ptr @.str.5519, i64 6, i64 0 }, ptr %a393
+  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
+  store { ptr, i64, i64 } %t390, ptr %a394
+  call void @finch_str_drop(ptr %a394)
+  %t395 = load { ptr, i64, i64 }, ptr %a391
+  %t396 = load { ptr, i64, i64 }, ptr %a328
+  store { ptr, i64, i64 } %t395, ptr %a398
+  store { ptr, i64, i64 } %t396, ptr %a399
+  call void @finch_str_concat(ptr %a397, ptr %a398, ptr %a399)
+  store { ptr, i64, i64 } %t395, ptr %a400
+  call void @finch_str_drop(ptr %a400)
+  %t401 = load { ptr, i64, i64 }, ptr %a397
+  store { ptr, i64, i64 } %t401, ptr %a403
+  store { ptr, i64, i64 } { ptr @.str.5520, i64 6, i64 0 }, ptr %a404
+  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
+  store { ptr, i64, i64 } %t401, ptr %a405
+  call void @finch_str_drop(ptr %a405)
+  %t406 = load { ptr, i64, i64 }, ptr %a402
+  %t407 = load { ptr, i64, i64 }, ptr %a356
   store { ptr, i64, i64 } %t406, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
-  store { ptr, i64, i64 } %t410, ptr %a412
-  store { ptr, i64, i64 } { ptr @.str.5336, i64 3, i64 0 }, ptr %a413
-  call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
-  %t414 = load { ptr, i64, i64 }, ptr %a411
-  %t415 = call { ptr, i64, i64 } @finch.gen.op(ptr %t405, { ptr, i64, i64 } %t414)
-  %t416 = load { ptr, i64, i64 }, ptr %a297
-  call void @finch.gen.store(ptr %t404, { ptr, i64, i64 } { ptr @.str.5334, i64 3, i64 0 }, { ptr, i64, i64 } %t415, { ptr, i64, i64 } %t416)
-  %t417 = load ptr, ptr %a1
-  %t418 = load { ptr, i64, i64 }, ptr %a302
-  call void @finch.gen.br(ptr %t417, { ptr, i64, i64 } %t418)
-  %t419 = load ptr, ptr %a1
-  %t420 = load { ptr, i64, i64 }, ptr %a314
-  call void @finch.gen.label(ptr %t419, { ptr, i64, i64 } %t420)
-  %t421 = load ptr, ptr %a1
-  %t422 = load { ptr, i64, i64 }, ptr %a284
-  %t423 = call { ptr, i64, i64 } @finch.gen.load(ptr %t421, { ptr, i64, i64 } { ptr @.str.5337, i64 3, i64 0 }, { ptr, i64, i64 } %t422)
-  store { ptr, i64, i64 } %t423, ptr %a424
-  %t425 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t425, ptr %a426
-  store { ptr, i64, i64 } { ptr @.str.5338, i64 4, i64 0 }, ptr %a427
-  %t428 = call i32 @finch_str_eq(ptr %a426, ptr %a427)
-  %t429 = icmp ne i32 %t428, 0
-  br i1 %t429, label %then8034, label %endif8036
-then8034:
-  %t430 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } %t430, ptr %a431
-  call void @finch_str_copy(ptr %a432, ptr %a431)
-  %t433 = load { ptr, i64, i64 }, ptr %a432
-  %t434 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t433, 0
-  %t435 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5339, i64 3, i64 0 })
-  %t436 = insertvalue %S.gen.Val %t434, %S.ast.Type %t435, 1
-  ret %S.gen.Val %t436
-endif8036:
-  %t437 = load ptr, ptr %a1
-  %t438 = load { ptr, i64, i64 }, ptr %a424
-  store { ptr, i64, i64 } { ptr @.str.5340, i64 13, i64 0 }, ptr %a440
-  store { ptr, i64, i64 } %t438, ptr %a441
-  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
-  %t442 = load { ptr, i64, i64 }, ptr %a439
-  store { ptr, i64, i64 } %t442, ptr %a444
-  store { ptr, i64, i64 } { ptr @.str.5341, i64 3, i64 0 }, ptr %a445
-  call void @finch_str_concat(ptr %a443, ptr %a444, ptr %a445)
-  %t446 = load { ptr, i64, i64 }, ptr %a443
-  %t447 = call { ptr, i64, i64 } @finch.gen.op(ptr %t437, { ptr, i64, i64 } %t446)
-  %t448 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t447, 0
-  %t449 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5342, i64 4, i64 0 })
-  %t450 = insertvalue %S.gen.Val %t448, %S.ast.Type %t449, 1
-  ret %S.gen.Val %t450
-endif8029:
-  %t451 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t451, ptr %a452
-  store { ptr, i64, i64 } { ptr @.str.5343, i64 4, i64 0 }, ptr %a453
-  %t454 = call i32 @finch_str_eq(ptr %a452, ptr %a453)
-  %t455 = icmp ne i32 %t454, 0
-  br i1 %t455, label %then8037, label %endif8039
-then8037:
+  store { ptr, i64, i64 } %t407, ptr %a410
+  call void @finch_str_concat(ptr %a408, ptr %a409, ptr %a410)
+  store { ptr, i64, i64 } %t406, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  %t412 = load { ptr, i64, i64 }, ptr %a408
+  %t413 = call { ptr, i64, i64 } @finch.gen.op(ptr %t385, { ptr, i64, i64 } %t412)
+  store { ptr, i64, i64 } %t412, ptr %a414
+  call void @finch_str_drop(ptr %a414)
+  %t415 = call { ptr, i64, i64 } @finch.gen.load(ptr %t383, { ptr, i64, i64 } %t384, { ptr, i64, i64 } %t413)
+  store { ptr, i64, i64 } %t413, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t415, 0
+  %t418 = load %S.ast.Type, ptr %a15
+  store %S.ast.Type %t418, ptr %a419
+  call void @finch.copy.S_ast_Type(ptr %a420, ptr %a419)
+  %t421 = load %S.ast.Type, ptr %a420
+  %t422 = insertvalue %S.gen.Val %t417, %S.ast.Type %t421, 1
+  store %S.gen.Val %t422, ptr %a423
+  %t424 = load ptr, ptr %a1
+  %t425 = load %S.gen.Val, ptr %a423
+  %t426 = getelementptr inbounds %S.gen.Val, ptr %a315, i32 0, i32 0
+  %t427 = load { ptr, i64, i64 }, ptr %t426
+  store { ptr, i64, i64 } %t427, ptr %a428
+  call void @finch_str_copy(ptr %a429, ptr %a428)
+  %t430 = load { ptr, i64, i64 }, ptr %a429
+  %t431 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t430, 0
+  %t432 = getelementptr inbounds %S.gen.Val, ptr %a315, i32 0, i32 1
+  %t433 = load %S.ast.Type, ptr %t432
+  store %S.ast.Type %t433, ptr %a434
+  call void @finch.copy.S_ast_Type(ptr %a435, ptr %a434)
+  %t436 = load %S.ast.Type, ptr %a435
+  %t437 = insertvalue %S.gen.Val %t431, %S.ast.Type %t436, 1
+  %t438 = load %S.ast.Node, ptr %a2
+  %t439 = call %S.gen.Val @finch.gen.compare(ptr %t424, { ptr, i64, i64 } { ptr @.str.5521, i64 2, i64 0 }, %S.gen.Val %t425, %S.gen.Val %t437, %S.ast.Node %t438)
+  store %S.gen.Val %t437, ptr %a440
+  call void @finch.drop.S_gen_Val(ptr %a440)
+  %t441 = extractvalue %S.gen.Val %t439, 0
+  store { ptr, i64, i64 } %t441, ptr %a442
+  call void @finch_str_copy(ptr %a443, ptr %a442)
+  %t444 = load { ptr, i64, i64 }, ptr %a443
+  store %S.gen.Val %t439, ptr %a445
+  call void @finch.drop.S_gen_Val(ptr %a445)
+  store { ptr, i64, i64 } %t444, ptr %a446
+  %t447 = load ptr, ptr %a1
+  %t448 = load { ptr, i64, i64 }, ptr %a446
+  %t449 = load { ptr, i64, i64 }, ptr %a342
+  %t450 = load { ptr, i64, i64 }, ptr %a345
+  call void @finch.gen.condBr(ptr %t447, { ptr, i64, i64 } %t448, { ptr, i64, i64 } %t449, { ptr, i64, i64 } %t450)
+  %t451 = load ptr, ptr %a1
+  %t452 = load { ptr, i64, i64 }, ptr %a342
+  call void @finch.gen.label(ptr %t451, { ptr, i64, i64 } %t452)
+  %t453 = load ptr, ptr %a1
+  %t454 = load { ptr, i64, i64 }, ptr %a356
+  %t455 = load { ptr, i64, i64 }, ptr %a318
+  call void @finch.gen.store(ptr %t453, { ptr, i64, i64 } { ptr @.str.5522, i64 3, i64 0 }, { ptr, i64, i64 } %t454, { ptr, i64, i64 } %t455)
   %t456 = load ptr, ptr %a1
-  %t457 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t456, %S.ast.Node %t457, i64 1)
-  %t458 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
-  %t459 = load { ptr, i64, i64 }, ptr %t458
-  store { ptr, i64, i64 } %t459, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.5344, i64 3, i64 0 }, ptr %a461
-  %t462 = call i32 @finch_str_eq(ptr %a460, ptr %a461)
-  %t463 = icmp eq i32 %t462, 0
-  br i1 %t463, label %then8040, label %endif8042
-then8040:
-  %t464 = load ptr, ptr %a1
-  %t465 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t464, %S.ast.Node %t465, { ptr, i64, i64 } { ptr @.str.5345, i64 31, i64 0 })
-  br label %endif8042
-endif8042:
-  %t466 = load ptr, ptr %a1
-  %t467 = load ptr, ptr %a1
-  %t468 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t469 = load { ptr, i64, i64 }, ptr %t468
-  %t470 = extractvalue { ptr, i64, i64 } %t469, 1
-  %t471 = icmp uge i64 1, %t470
-  br i1 %t471, label %range8043, label %inrange8044
-range8043:
-  call void @finch_panic_index(ptr @.str.5346, i64 4850, i64 1, i64 %t470)
-  unreachable
-inrange8044:
-  %t472 = extractvalue { ptr, i64, i64 } %t469, 0
-  %t473 = getelementptr inbounds %S.ast.Node, ptr %t472, i64 1
-  %t474 = load %S.ast.Node, ptr %t473
-  %t475 = call %S.gen.Val @finch.gen.strArg(ptr %t467, %S.ast.Node %t474, { ptr, i64, i64 } { ptr @.str.5347, i64 13, i64 0 })
-  %t476 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t466, %S.gen.Val %t475)
-  store { ptr, i64, i64 } %t476, ptr %a477
+  %t457 = load { ptr, i64, i64 }, ptr %a348
+  call void @finch.gen.br(ptr %t456, { ptr, i64, i64 } %t457)
+  %t458 = load ptr, ptr %a1
+  %t459 = load { ptr, i64, i64 }, ptr %a345
+  call void @finch.gen.label(ptr %t458, { ptr, i64, i64 } %t459)
+  %t460 = load ptr, ptr %a1
+  %t461 = load ptr, ptr %a1
+  %t462 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5524, i64 8, i64 0 }, ptr %a464
+  store { ptr, i64, i64 } %t462, ptr %a465
+  call void @finch_str_concat(ptr %a463, ptr %a464, ptr %a465)
+  %t466 = load { ptr, i64, i64 }, ptr %a463
+  store { ptr, i64, i64 } %t466, ptr %a468
+  store { ptr, i64, i64 } { ptr @.str.5525, i64 3, i64 0 }, ptr %a469
+  call void @finch_str_concat(ptr %a467, ptr %a468, ptr %a469)
+  store { ptr, i64, i64 } %t466, ptr %a470
+  call void @finch_str_drop(ptr %a470)
+  %t471 = load { ptr, i64, i64 }, ptr %a467
+  %t472 = call { ptr, i64, i64 } @finch.gen.op(ptr %t461, { ptr, i64, i64 } %t471)
+  store { ptr, i64, i64 } %t471, ptr %a473
+  call void @finch_str_drop(ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a331
+  call void @finch.gen.store(ptr %t460, { ptr, i64, i64 } { ptr @.str.5523, i64 3, i64 0 }, { ptr, i64, i64 } %t472, { ptr, i64, i64 } %t474)
+  store { ptr, i64, i64 } %t472, ptr %a475
+  call void @finch_str_drop(ptr %a475)
+  %t476 = load ptr, ptr %a1
+  %t477 = load { ptr, i64, i64 }, ptr %a336
+  call void @finch.gen.br(ptr %t476, { ptr, i64, i64 } %t477)
   %t478 = load ptr, ptr %a1
-  %t479 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t478)
-  store { ptr, i64, i64 } %t479, ptr %a480
-  %t481 = load ptr, ptr %a1
-  %t482 = load { ptr, i64, i64 }, ptr %a480
-  store { ptr, i64, i64 } { ptr @.str.5348, i64 30, i64 0 }, ptr %a484
-  store { ptr, i64, i64 } %t482, ptr %a485
-  call void @finch_str_concat(ptr %a483, ptr %a484, ptr %a485)
-  %t486 = load { ptr, i64, i64 }, ptr %a483
-  store { ptr, i64, i64 } %t486, ptr %a488
-  store { ptr, i64, i64 } { ptr @.str.5349, i64 6, i64 0 }, ptr %a489
-  call void @finch_str_concat(ptr %a487, ptr %a488, ptr %a489)
-  %t490 = load { ptr, i64, i64 }, ptr %a487
-  %t491 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t490, ptr %a493
-  store { ptr, i64, i64 } %t491, ptr %a494
-  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
-  %t495 = load { ptr, i64, i64 }, ptr %a492
-  store { ptr, i64, i64 } %t495, ptr %a497
-  store { ptr, i64, i64 } { ptr @.str.5350, i64 6, i64 0 }, ptr %a498
-  call void @finch_str_concat(ptr %a496, ptr %a497, ptr %a498)
-  %t499 = load { ptr, i64, i64 }, ptr %a496
-  %t500 = load { ptr, i64, i64 }, ptr %a477
+  %t479 = load { ptr, i64, i64 }, ptr %a348
+  call void @finch.gen.label(ptr %t478, { ptr, i64, i64 } %t479)
+  %t480 = load ptr, ptr %a1
+  %t481 = load %S.gen.Val, ptr %a315
+  call void @finch.gen.release(ptr %t480, %S.gen.Val %t481)
+  %t482 = load ptr, ptr %a1
+  %t483 = load { ptr, i64, i64 }, ptr %a318
+  %t484 = call { ptr, i64, i64 } @finch.gen.load(ptr %t482, { ptr, i64, i64 } { ptr @.str.5526, i64 3, i64 0 }, { ptr, i64, i64 } %t483)
+  store { ptr, i64, i64 } %t484, ptr %a485
+  %t486 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t486, ptr %a487
+  store { ptr, i64, i64 } { ptr @.str.5527, i64 4, i64 0 }, ptr %a488
+  %t489 = call i32 @finch_str_eq(ptr %a487, ptr %a488)
+  %t490 = icmp ne i32 %t489, 0
+  br i1 %t490, label %then8484, label %endif8486
+then8484:
+  %t491 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } %t491, ptr %a492
+  call void @finch_str_copy(ptr %a493, ptr %a492)
+  %t494 = load { ptr, i64, i64 }, ptr %a493
+  %t495 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t494, 0
+  %t496 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5528, i64 3, i64 0 })
+  %t497 = insertvalue %S.gen.Val %t495, %S.ast.Type %t496, 1
+  call void @finch_str_drop(ptr %a485)
+  call void @finch_str_drop(ptr %a446)
+  call void @finch.drop.S_gen_Val(ptr %a423)
+  call void @finch_str_drop(ptr %a376)
+  call void @finch_str_drop(ptr %a356)
+  call void @finch_str_drop(ptr %a348)
+  call void @finch_str_drop(ptr %a345)
+  call void @finch_str_drop(ptr %a342)
+  call void @finch_str_drop(ptr %a339)
+  call void @finch_str_drop(ptr %a336)
+  call void @finch_str_drop(ptr %a331)
+  call void @finch_str_drop(ptr %a328)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch_str_drop(ptr %a318)
+  call void @finch.drop.S_gen_Val(ptr %a315)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t497
+endif8486:
+  %t498 = load ptr, ptr %a1
+  %t499 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } { ptr @.str.5529, i64 13, i64 0 }, ptr %a501
   store { ptr, i64, i64 } %t499, ptr %a502
-  store { ptr, i64, i64 } %t500, ptr %a503
-  call void @finch_str_concat(ptr %a501, ptr %a502, ptr %a503)
-  %t504 = load { ptr, i64, i64 }, ptr %a501
-  store { ptr, i64, i64 } %t504, ptr %a506
-  store { ptr, i64, i64 } { ptr @.str.5351, i64 1, i64 0 }, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  call void @finch.gen.emit(ptr %t481, { ptr, i64, i64 } %t508)
-  %t509 = load ptr, ptr %a1
-  %t510 = load { ptr, i64, i64 }, ptr %a480
-  %t511 = call { ptr, i64, i64 } @finch.gen.load(ptr %t509, { ptr, i64, i64 } { ptr @.str.5352, i64 17, i64 0 }, { ptr, i64, i64 } %t510)
-  %t512 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t511, 0
-  %t513 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5353, i64 3, i64 0 })
-  %t514 = insertvalue %S.gen.Val %t512, %S.ast.Type %t513, 1
-  %t515 = insertvalue %S.gen.Val %t514, i1 true, 2
-  ret %S.gen.Val %t515
-endif8039:
-  %t516 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t516, ptr %a517
-  store { ptr, i64, i64 } { ptr @.str.5354, i64 6, i64 0 }, ptr %a518
-  %t519 = call i32 @finch_str_eq(ptr %a517, ptr %a518)
-  %t520 = icmp ne i32 %t519, 0
-  br i1 %t520, label %then8045, label %endif8047
-then8045:
-  %t521 = load ptr, ptr %a1
-  %t522 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t521, %S.ast.Node %t522, i64 2)
-  %t523 = load ptr, ptr %a1
-  %t524 = load ptr, ptr %a1
-  %t525 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t526 = load { ptr, i64, i64 }, ptr %t525
-  %t527 = extractvalue { ptr, i64, i64 } %t526, 1
-  %t528 = icmp uge i64 1, %t527
-  br i1 %t528, label %range8048, label %inrange8049
-range8048:
-  call void @finch_panic_index(ptr @.str.5355, i64 4857, i64 1, i64 %t527)
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  %t503 = load { ptr, i64, i64 }, ptr %a500
+  store { ptr, i64, i64 } %t503, ptr %a505
+  store { ptr, i64, i64 } { ptr @.str.5530, i64 3, i64 0 }, ptr %a506
+  call void @finch_str_concat(ptr %a504, ptr %a505, ptr %a506)
+  store { ptr, i64, i64 } %t503, ptr %a507
+  call void @finch_str_drop(ptr %a507)
+  %t508 = load { ptr, i64, i64 }, ptr %a504
+  %t509 = call { ptr, i64, i64 } @finch.gen.op(ptr %t498, { ptr, i64, i64 } %t508)
+  store { ptr, i64, i64 } %t508, ptr %a510
+  call void @finch_str_drop(ptr %a510)
+  %t511 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t509, 0
+  %t512 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5531, i64 4, i64 0 })
+  %t513 = insertvalue %S.gen.Val %t511, %S.ast.Type %t512, 1
+  call void @finch_str_drop(ptr %a485)
+  call void @finch_str_drop(ptr %a446)
+  call void @finch.drop.S_gen_Val(ptr %a423)
+  call void @finch_str_drop(ptr %a376)
+  call void @finch_str_drop(ptr %a356)
+  call void @finch_str_drop(ptr %a348)
+  call void @finch_str_drop(ptr %a345)
+  call void @finch_str_drop(ptr %a342)
+  call void @finch_str_drop(ptr %a339)
+  call void @finch_str_drop(ptr %a336)
+  call void @finch_str_drop(ptr %a331)
+  call void @finch_str_drop(ptr %a328)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch_str_drop(ptr %a318)
+  call void @finch.drop.S_gen_Val(ptr %a315)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t513
+endif8479:
+  %t514 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t514, ptr %a515
+  store { ptr, i64, i64 } { ptr @.str.5532, i64 4, i64 0 }, ptr %a516
+  %t517 = call i32 @finch_str_eq(ptr %a515, ptr %a516)
+  %t518 = icmp ne i32 %t517, 0
+  br i1 %t518, label %then8487, label %endif8489
+then8487:
+  %t519 = load ptr, ptr %a1
+  %t520 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t519, %S.ast.Node %t520, i64 1)
+  %t521 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
+  %t522 = load { ptr, i64, i64 }, ptr %t521
+  store { ptr, i64, i64 } %t522, ptr %a523
+  store { ptr, i64, i64 } { ptr @.str.5533, i64 3, i64 0 }, ptr %a524
+  %t525 = call i32 @finch_str_eq(ptr %a523, ptr %a524)
+  %t526 = icmp eq i32 %t525, 0
+  br i1 %t526, label %then8490, label %endif8492
+then8490:
+  %t527 = load ptr, ptr %a1
+  %t528 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t527, %S.ast.Node %t528, { ptr, i64, i64 } { ptr @.str.5534, i64 31, i64 0 })
+  br label %endif8492
+endif8492:
+  %t529 = load ptr, ptr %a1
+  %t530 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t531 = load { ptr, i64, i64 }, ptr %t530
+  %t532 = extractvalue { ptr, i64, i64 } %t531, 1
+  %t533 = icmp uge i64 1, %t532
+  br i1 %t533, label %range8493, label %inrange8494
+range8493:
+  call void @finch_panic_index(ptr @.str.5535, i64 5242, i64 1, i64 %t532)
   unreachable
-inrange8049:
-  %t529 = extractvalue { ptr, i64, i64 } %t526, 0
-  %t530 = getelementptr inbounds %S.ast.Node, ptr %t529, i64 1
-  %t531 = load %S.ast.Node, ptr %t530
-  %t532 = call %S.gen.Val @finch.gen.expr(ptr %t524, %S.ast.Node %t531)
-  %t533 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5356, i64 3, i64 0 })
-  %t534 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t535 = load { ptr, i64, i64 }, ptr %t534
-  %t536 = extractvalue { ptr, i64, i64 } %t535, 1
-  %t537 = icmp uge i64 1, %t536
-  br i1 %t537, label %range8050, label %inrange8051
-range8050:
-  call void @finch_panic_index(ptr @.str.5357, i64 4857, i64 1, i64 %t536)
+inrange8494:
+  %t534 = extractvalue { ptr, i64, i64 } %t531, 0
+  %t535 = getelementptr inbounds %S.ast.Node, ptr %t534, i64 1
+  %t536 = load %S.ast.Node, ptr %t535
+  %t537 = call %S.gen.Val @finch.gen.strArg(ptr %t529, %S.ast.Node %t536, { ptr, i64, i64 } { ptr @.str.5536, i64 13, i64 0 })
+  store %S.gen.Val %t537, ptr %a538
+  %t539 = load ptr, ptr %a1
+  %t540 = load %S.gen.Val, ptr %a538
+  %t541 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t539, %S.gen.Val %t540)
+  store { ptr, i64, i64 } %t541, ptr %a542
+  %t543 = load ptr, ptr %a1
+  %t544 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t543)
+  store { ptr, i64, i64 } %t544, ptr %a545
+  %t546 = load ptr, ptr %a1
+  %t547 = load { ptr, i64, i64 }, ptr %a545
+  store { ptr, i64, i64 } { ptr @.str.5537, i64 30, i64 0 }, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } %t551, ptr %a553
+  store { ptr, i64, i64 } { ptr @.str.5538, i64 6, i64 0 }, ptr %a554
+  call void @finch_str_concat(ptr %a552, ptr %a553, ptr %a554)
+  store { ptr, i64, i64 } %t551, ptr %a555
+  call void @finch_str_drop(ptr %a555)
+  %t556 = load { ptr, i64, i64 }, ptr %a552
+  %t557 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t556, ptr %a559
+  store { ptr, i64, i64 } %t557, ptr %a560
+  call void @finch_str_concat(ptr %a558, ptr %a559, ptr %a560)
+  store { ptr, i64, i64 } %t556, ptr %a561
+  call void @finch_str_drop(ptr %a561)
+  %t562 = load { ptr, i64, i64 }, ptr %a558
+  store { ptr, i64, i64 } %t562, ptr %a564
+  store { ptr, i64, i64 } { ptr @.str.5539, i64 6, i64 0 }, ptr %a565
+  call void @finch_str_concat(ptr %a563, ptr %a564, ptr %a565)
+  store { ptr, i64, i64 } %t562, ptr %a566
+  call void @finch_str_drop(ptr %a566)
+  %t567 = load { ptr, i64, i64 }, ptr %a563
+  %t568 = load { ptr, i64, i64 }, ptr %a542
+  store { ptr, i64, i64 } %t567, ptr %a570
+  store { ptr, i64, i64 } %t568, ptr %a571
+  call void @finch_str_concat(ptr %a569, ptr %a570, ptr %a571)
+  store { ptr, i64, i64 } %t567, ptr %a572
+  call void @finch_str_drop(ptr %a572)
+  %t573 = load { ptr, i64, i64 }, ptr %a569
+  store { ptr, i64, i64 } %t573, ptr %a575
+  store { ptr, i64, i64 } { ptr @.str.5540, i64 1, i64 0 }, ptr %a576
+  call void @finch_str_concat(ptr %a574, ptr %a575, ptr %a576)
+  store { ptr, i64, i64 } %t573, ptr %a577
+  call void @finch_str_drop(ptr %a577)
+  %t578 = load { ptr, i64, i64 }, ptr %a574
+  call void @finch.gen.emit(ptr %t546, { ptr, i64, i64 } %t578)
+  store { ptr, i64, i64 } %t578, ptr %a579
+  call void @finch_str_drop(ptr %a579)
+  %t580 = load ptr, ptr %a1
+  %t581 = load %S.gen.Val, ptr %a538
+  call void @finch.gen.release(ptr %t580, %S.gen.Val %t581)
+  %t582 = load ptr, ptr %a1
+  %t583 = load { ptr, i64, i64 }, ptr %a545
+  %t584 = call { ptr, i64, i64 } @finch.gen.load(ptr %t582, { ptr, i64, i64 } { ptr @.str.5541, i64 17, i64 0 }, { ptr, i64, i64 } %t583)
+  %t585 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t584, 0
+  %t586 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5542, i64 3, i64 0 })
+  %t587 = insertvalue %S.gen.Val %t585, %S.ast.Type %t586, 1
+  %t588 = insertvalue %S.gen.Val %t587, i1 true, 2
+  call void @finch_str_drop(ptr %a545)
+  call void @finch_str_drop(ptr %a542)
+  call void @finch.drop.S_gen_Val(ptr %a538)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t588
+endif8489:
+  %t589 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t589, ptr %a590
+  store { ptr, i64, i64 } { ptr @.str.5543, i64 6, i64 0 }, ptr %a591
+  %t592 = call i32 @finch_str_eq(ptr %a590, ptr %a591)
+  %t593 = icmp ne i32 %t592, 0
+  br i1 %t593, label %then8495, label %endif8497
+then8495:
+  %t594 = load ptr, ptr %a1
+  %t595 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t594, %S.ast.Node %t595, i64 2)
+  %t596 = load ptr, ptr %a1
+  %t597 = load ptr, ptr %a1
+  %t598 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t599 = load { ptr, i64, i64 }, ptr %t598
+  %t600 = extractvalue { ptr, i64, i64 } %t599, 1
+  %t601 = icmp uge i64 1, %t600
+  br i1 %t601, label %range8498, label %inrange8499
+range8498:
+  call void @finch_panic_index(ptr @.str.5544, i64 5251, i64 1, i64 %t600)
   unreachable
-inrange8051:
-  %t538 = extractvalue { ptr, i64, i64 } %t535, 0
-  %t539 = getelementptr inbounds %S.ast.Node, ptr %t538, i64 1
-  %t540 = load %S.ast.Node, ptr %t539
-  %t541 = call %S.gen.Val @finch.gen.coerce(ptr %t523, %S.gen.Val %t532, %S.ast.Type %t533, %S.ast.Node %t540, { ptr, i64, i64 } { ptr @.str.5358, i64 12, i64 0 })
-  %t542 = extractvalue %S.gen.Val %t541, 0
-  store { ptr, i64, i64 } %t542, ptr %a543
-  call void @finch_str_copy(ptr %a544, ptr %a543)
-  %t545 = load { ptr, i64, i64 }, ptr %a544
-  store { ptr, i64, i64 } %t545, ptr %a546
-  %t547 = load ptr, ptr %a1
-  %t548 = load ptr, ptr %a1
-  %t549 = load ptr, ptr %a1
-  %t550 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t551 = load { ptr, i64, i64 }, ptr %t550
-  %t552 = extractvalue { ptr, i64, i64 } %t551, 1
-  %t553 = icmp uge i64 2, %t552
-  br i1 %t553, label %range8052, label %inrange8053
-range8052:
-  call void @finch_panic_index(ptr @.str.5359, i64 4858, i64 2, i64 %t552)
+inrange8499:
+  %t602 = extractvalue { ptr, i64, i64 } %t599, 0
+  %t603 = getelementptr inbounds %S.ast.Node, ptr %t602, i64 1
+  %t604 = load %S.ast.Node, ptr %t603
+  %t605 = call %S.gen.Val @finch.gen.expr(ptr %t597, %S.ast.Node %t604)
+  %t606 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5545, i64 3, i64 0 })
+  %t607 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t608 = load { ptr, i64, i64 }, ptr %t607
+  %t609 = extractvalue { ptr, i64, i64 } %t608, 1
+  %t610 = icmp uge i64 1, %t609
+  br i1 %t610, label %range8500, label %inrange8501
+range8500:
+  call void @finch_panic_index(ptr @.str.5546, i64 5251, i64 1, i64 %t609)
   unreachable
-inrange8053:
-  %t554 = extractvalue { ptr, i64, i64 } %t551, 0
-  %t555 = getelementptr inbounds %S.ast.Node, ptr %t554, i64 2
-  %t556 = load %S.ast.Node, ptr %t555
-  %t557 = load %S.ast.Type, ptr %a15
-  %t558 = call %S.gen.Val @finch.gen.exprWant(ptr %t549, %S.ast.Node %t556, %S.ast.Type %t557)
-  %t559 = load %S.ast.Type, ptr %a15
-  %t560 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t561 = load { ptr, i64, i64 }, ptr %t560
-  %t562 = extractvalue { ptr, i64, i64 } %t561, 1
-  %t563 = icmp uge i64 2, %t562
-  br i1 %t563, label %range8054, label %inrange8055
-range8054:
-  call void @finch_panic_index(ptr @.str.5360, i64 4858, i64 2, i64 %t562)
+inrange8501:
+  %t611 = extractvalue { ptr, i64, i64 } %t608, 0
+  %t612 = getelementptr inbounds %S.ast.Node, ptr %t611, i64 1
+  %t613 = load %S.ast.Node, ptr %t612
+  %t614 = call %S.gen.Val @finch.gen.coerce(ptr %t596, %S.gen.Val %t605, %S.ast.Type %t606, %S.ast.Node %t613, { ptr, i64, i64 } { ptr @.str.5547, i64 12, i64 0 })
+  store %S.gen.Val %t605, ptr %a615
+  call void @finch.drop.S_gen_Val(ptr %a615)
+  store %S.ast.Type %t606, ptr %a616
+  call void @finch.drop.S_ast_Type(ptr %a616)
+  %t617 = extractvalue %S.gen.Val %t614, 0
+  store { ptr, i64, i64 } %t617, ptr %a618
+  call void @finch_str_copy(ptr %a619, ptr %a618)
+  %t620 = load { ptr, i64, i64 }, ptr %a619
+  store %S.gen.Val %t614, ptr %a621
+  call void @finch.drop.S_gen_Val(ptr %a621)
+  store { ptr, i64, i64 } %t620, ptr %a622
+  %t623 = load ptr, ptr %a1
+  %t624 = load ptr, ptr %a1
+  %t625 = load ptr, ptr %a1
+  %t626 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t627 = load { ptr, i64, i64 }, ptr %t626
+  %t628 = extractvalue { ptr, i64, i64 } %t627, 1
+  %t629 = icmp uge i64 2, %t628
+  br i1 %t629, label %range8502, label %inrange8503
+range8502:
+  call void @finch_panic_index(ptr @.str.5548, i64 5252, i64 2, i64 %t628)
   unreachable
-inrange8055:
-  %t564 = extractvalue { ptr, i64, i64 } %t561, 0
-  %t565 = getelementptr inbounds %S.ast.Node, ptr %t564, i64 2
-  %t566 = load %S.ast.Node, ptr %t565
-  %t567 = call %S.gen.Val @finch.gen.coerce(ptr %t548, %S.gen.Val %t558, %S.ast.Type %t559, %S.ast.Node %t566, { ptr, i64, i64 } { ptr @.str.5361, i64 11, i64 0 })
-  %t568 = call { ptr, i64, i64 } @finch.gen.own(ptr %t547, %S.gen.Val %t567)
-  store { ptr, i64, i64 } %t568, ptr %a569
-  %t570 = load ptr, ptr %a1
-  %t571 = load ptr, ptr %a1
-  %t572 = icmp eq ptr %t571, null
-  br i1 %t572, label %panic8056, label %ok8057
-panic8056:
-  call void @finch_panic(ptr @.str.5362, i64 4859, ptr @.str.5363)
+inrange8503:
+  %t630 = extractvalue { ptr, i64, i64 } %t627, 0
+  %t631 = getelementptr inbounds %S.ast.Node, ptr %t630, i64 2
+  %t632 = load %S.ast.Node, ptr %t631
+  %t633 = load %S.ast.Type, ptr %a15
+  %t634 = call %S.gen.Val @finch.gen.exprWant(ptr %t625, %S.ast.Node %t632, %S.ast.Type %t633)
+  %t635 = load %S.ast.Type, ptr %a15
+  %t636 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t637 = load { ptr, i64, i64 }, ptr %t636
+  %t638 = extractvalue { ptr, i64, i64 } %t637, 1
+  %t639 = icmp uge i64 2, %t638
+  br i1 %t639, label %range8504, label %inrange8505
+range8504:
+  call void @finch_panic_index(ptr @.str.5549, i64 5252, i64 2, i64 %t638)
   unreachable
-ok8057:
-  %t573 = getelementptr inbounds %S.gen.Gen, ptr %t571, i32 0, i32 1
-  %t574 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
-  %t575 = load i64, ptr %t574
-  %t576 = load { ptr, i64, i64 }, ptr %t573
-  %t577 = extractvalue { ptr, i64, i64 } %t576, 1
-  %t578 = icmp uge i64 %t575, %t577
-  br i1 %t578, label %range8058, label %inrange8059
-range8058:
-  call void @finch_panic_index(ptr @.str.5364, i64 4859, i64 %t575, i64 %t577)
+inrange8505:
+  %t640 = extractvalue { ptr, i64, i64 } %t637, 0
+  %t641 = getelementptr inbounds %S.ast.Node, ptr %t640, i64 2
+  %t642 = load %S.ast.Node, ptr %t641
+  %t643 = call %S.gen.Val @finch.gen.coerce(ptr %t624, %S.gen.Val %t634, %S.ast.Type %t635, %S.ast.Node %t642, { ptr, i64, i64 } { ptr @.str.5550, i64 11, i64 0 })
+  store %S.gen.Val %t634, ptr %a644
+  call void @finch.drop.S_gen_Val(ptr %a644)
+  %t645 = call { ptr, i64, i64 } @finch.gen.own(ptr %t623, %S.gen.Val %t643)
+  store %S.gen.Val %t643, ptr %a646
+  call void @finch.drop.S_gen_Val(ptr %a646)
+  store { ptr, i64, i64 } %t645, ptr %a647
+  %t648 = load ptr, ptr %a1
+  %t649 = load ptr, ptr %a1
+  %t650 = icmp eq ptr %t649, null
+  br i1 %t650, label %panic8506, label %ok8507
+panic8506:
+  call void @finch_panic(ptr @.str.5551, i64 5253, ptr @.str.5552)
   unreachable
-inrange8059:
-  %t579 = extractvalue { ptr, i64, i64 } %t576, 0
-  %t580 = getelementptr inbounds { ptr, i64, i64 }, ptr %t579, i64 %t575
-  %t581 = load { ptr, i64, i64 }, ptr %t580
-  %t582 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t570, { ptr, i64, i64 } %t581)
-  store { ptr, i64, i64 } %t582, ptr %a583
-  %t584 = load ptr, ptr %a1
-  %t585 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5365, i64 36, i64 0 }, ptr %a587
-  store { ptr, i64, i64 } %t585, ptr %a588
-  call void @finch_str_concat(ptr %a586, ptr %a587, ptr %a588)
-  %t589 = load { ptr, i64, i64 }, ptr %a586
-  store { ptr, i64, i64 } %t589, ptr %a591
-  store { ptr, i64, i64 } { ptr @.str.5366, i64 6, i64 0 }, ptr %a592
-  call void @finch_str_concat(ptr %a590, ptr %a591, ptr %a592)
-  %t593 = load { ptr, i64, i64 }, ptr %a590
-  %t594 = load { ptr, i64, i64 }, ptr %a546
-  store { ptr, i64, i64 } %t593, ptr %a596
-  store { ptr, i64, i64 } %t594, ptr %a597
-  call void @finch_str_concat(ptr %a595, ptr %a596, ptr %a597)
-  %t598 = load { ptr, i64, i64 }, ptr %a595
-  store { ptr, i64, i64 } %t598, ptr %a600
-  store { ptr, i64, i64 } { ptr @.str.5367, i64 6, i64 0 }, ptr %a601
-  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
-  %t602 = load { ptr, i64, i64 }, ptr %a599
-  %t603 = load ptr, ptr %a1
-  %t604 = load %S.ast.Type, ptr %a15
-  %t605 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t603, %S.ast.Type %t604)
-  store { ptr, i64, i64 } %t602, ptr %a607
-  store { ptr, i64, i64 } %t605, ptr %a608
-  call void @finch_str_concat(ptr %a606, ptr %a607, ptr %a608)
-  %t609 = load { ptr, i64, i64 }, ptr %a606
-  store { ptr, i64, i64 } %t609, ptr %a611
-  store { ptr, i64, i64 } { ptr @.str.5368, i64 6, i64 0 }, ptr %a612
-  call void @finch_str_concat(ptr %a610, ptr %a611, ptr %a612)
-  %t613 = load { ptr, i64, i64 }, ptr %a610
-  %t614 = load { ptr, i64, i64 }, ptr %a583
-  store { ptr, i64, i64 } %t613, ptr %a616
-  store { ptr, i64, i64 } %t614, ptr %a617
-  call void @finch_str_concat(ptr %a615, ptr %a616, ptr %a617)
-  %t618 = load { ptr, i64, i64 }, ptr %a615
-  store { ptr, i64, i64 } %t618, ptr %a620
-  store { ptr, i64, i64 } { ptr @.str.5369, i64 6, i64 0 }, ptr %a621
-  call void @finch_str_concat(ptr %a619, ptr %a620, ptr %a621)
-  %t622 = load { ptr, i64, i64 }, ptr %a619
-  %t623 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t624 = load i64, ptr %t623
-  call void @finch_str_from_int(ptr %a625, i64 %t624)
-  %t626 = load { ptr, i64, i64 }, ptr %a625
-  store { ptr, i64, i64 } %t622, ptr %a628
-  store { ptr, i64, i64 } %t626, ptr %a629
-  call void @finch_str_concat(ptr %a627, ptr %a628, ptr %a629)
-  %t630 = load { ptr, i64, i64 }, ptr %a627
-  store { ptr, i64, i64 } %t630, ptr %a632
-  store { ptr, i64, i64 } { ptr @.str.5370, i64 1, i64 0 }, ptr %a633
-  call void @finch_str_concat(ptr %a631, ptr %a632, ptr %a633)
-  %t634 = load { ptr, i64, i64 }, ptr %a631
-  call void @finch.gen.emit(ptr %t584, { ptr, i64, i64 } %t634)
-  %t635 = load ptr, ptr %a1
-  %t636 = load { ptr, i64, i64 }, ptr %a3
-  %t637 = call { ptr, i64, i64 } @finch.gen.load(ptr %t635, { ptr, i64, i64 } { ptr @.str.5371, i64 3, i64 0 }, { ptr, i64, i64 } %t636)
-  store { ptr, i64, i64 } %t637, ptr %a638
-  %t639 = load ptr, ptr %a1
-  %t640 = load { ptr, i64, i64 }, ptr %a19
-  %t641 = load { ptr, i64, i64 }, ptr %a569
-  %t642 = load ptr, ptr %a1
-  %t643 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5372, i64 23, i64 0 }, ptr %a645
-  store { ptr, i64, i64 } %t643, ptr %a646
-  call void @finch_str_concat(ptr %a644, ptr %a645, ptr %a646)
-  %t647 = load { ptr, i64, i64 }, ptr %a644
-  store { ptr, i64, i64 } %t647, ptr %a649
-  store { ptr, i64, i64 } { ptr @.str.5373, i64 6, i64 0 }, ptr %a650
-  call void @finch_str_concat(ptr %a648, ptr %a649, ptr %a650)
-  %t651 = load { ptr, i64, i64 }, ptr %a648
-  %t652 = load { ptr, i64, i64 }, ptr %a638
-  store { ptr, i64, i64 } %t651, ptr %a654
-  store { ptr, i64, i64 } %t652, ptr %a655
-  call void @finch_str_concat(ptr %a653, ptr %a654, ptr %a655)
-  %t656 = load { ptr, i64, i64 }, ptr %a653
-  store { ptr, i64, i64 } %t656, ptr %a658
-  store { ptr, i64, i64 } { ptr @.str.5374, i64 6, i64 0 }, ptr %a659
-  call void @finch_str_concat(ptr %a657, ptr %a658, ptr %a659)
-  %t660 = load { ptr, i64, i64 }, ptr %a657
-  %t661 = load { ptr, i64, i64 }, ptr %a546
-  store { ptr, i64, i64 } %t660, ptr %a663
-  store { ptr, i64, i64 } %t661, ptr %a664
-  call void @finch_str_concat(ptr %a662, ptr %a663, ptr %a664)
-  %t665 = load { ptr, i64, i64 }, ptr %a662
-  %t666 = call { ptr, i64, i64 } @finch.gen.op(ptr %t642, { ptr, i64, i64 } %t665)
-  call void @finch.gen.store(ptr %t639, { ptr, i64, i64 } %t640, { ptr, i64, i64 } %t641, { ptr, i64, i64 } %t666)
-  %t667 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5375, i64 4, i64 0 })
-  %t668 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t667, 1
-  ret %S.gen.Val %t668
-endif8047:
-  %t669 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t669, ptr %a670
-  store { ptr, i64, i64 } { ptr @.str.5376, i64 6, i64 0 }, ptr %a671
-  %t672 = call i32 @finch_str_eq(ptr %a670, ptr %a671)
-  %t673 = icmp ne i32 %t672, 0
-  br i1 %t673, label %then8060, label %endif8062
-then8060:
-  %t674 = load ptr, ptr %a1
-  %t675 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t674, %S.ast.Node %t675, i64 1)
-  %t676 = load ptr, ptr %a1
-  %t677 = load ptr, ptr %a1
-  %t678 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t679 = load { ptr, i64, i64 }, ptr %t678
-  %t680 = extractvalue { ptr, i64, i64 } %t679, 1
-  %t681 = icmp uge i64 1, %t680
-  br i1 %t681, label %range8063, label %inrange8064
-range8063:
-  call void @finch_panic_index(ptr @.str.5377, i64 4867, i64 1, i64 %t680)
+ok8507:
+  %t651 = getelementptr inbounds %S.gen.Gen, ptr %t649, i32 0, i32 1
+  %t652 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
+  %t653 = load i64, ptr %t652
+  %t654 = load { ptr, i64, i64 }, ptr %t651
+  %t655 = extractvalue { ptr, i64, i64 } %t654, 1
+  %t656 = icmp uge i64 %t653, %t655
+  br i1 %t656, label %range8508, label %inrange8509
+range8508:
+  call void @finch_panic_index(ptr @.str.5553, i64 5253, i64 %t653, i64 %t655)
   unreachable
-inrange8064:
-  %t682 = extractvalue { ptr, i64, i64 } %t679, 0
-  %t683 = getelementptr inbounds %S.ast.Node, ptr %t682, i64 1
-  %t684 = load %S.ast.Node, ptr %t683
-  %t685 = call %S.gen.Val @finch.gen.expr(ptr %t677, %S.ast.Node %t684)
-  %t686 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5378, i64 3, i64 0 })
-  %t687 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t688 = load { ptr, i64, i64 }, ptr %t687
-  %t689 = extractvalue { ptr, i64, i64 } %t688, 1
-  %t690 = icmp uge i64 1, %t689
-  br i1 %t690, label %range8065, label %inrange8066
-range8065:
-  call void @finch_panic_index(ptr @.str.5379, i64 4867, i64 1, i64 %t689)
+inrange8509:
+  %t657 = extractvalue { ptr, i64, i64 } %t654, 0
+  %t658 = getelementptr inbounds { ptr, i64, i64 }, ptr %t657, i64 %t653
+  %t659 = load { ptr, i64, i64 }, ptr %t658
+  %t660 = call { ptr, i64, i64 } @finch.gen.strGlobal(ptr %t648, { ptr, i64, i64 } %t659)
+  store { ptr, i64, i64 } %t660, ptr %a661
+  %t662 = load ptr, ptr %a1
+  %t663 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5554, i64 36, i64 0 }, ptr %a665
+  store { ptr, i64, i64 } %t663, ptr %a666
+  call void @finch_str_concat(ptr %a664, ptr %a665, ptr %a666)
+  %t667 = load { ptr, i64, i64 }, ptr %a664
+  store { ptr, i64, i64 } %t667, ptr %a669
+  store { ptr, i64, i64 } { ptr @.str.5555, i64 6, i64 0 }, ptr %a670
+  call void @finch_str_concat(ptr %a668, ptr %a669, ptr %a670)
+  store { ptr, i64, i64 } %t667, ptr %a671
+  call void @finch_str_drop(ptr %a671)
+  %t672 = load { ptr, i64, i64 }, ptr %a668
+  %t673 = load { ptr, i64, i64 }, ptr %a622
+  store { ptr, i64, i64 } %t672, ptr %a675
+  store { ptr, i64, i64 } %t673, ptr %a676
+  call void @finch_str_concat(ptr %a674, ptr %a675, ptr %a676)
+  store { ptr, i64, i64 } %t672, ptr %a677
+  call void @finch_str_drop(ptr %a677)
+  %t678 = load { ptr, i64, i64 }, ptr %a674
+  store { ptr, i64, i64 } %t678, ptr %a680
+  store { ptr, i64, i64 } { ptr @.str.5556, i64 6, i64 0 }, ptr %a681
+  call void @finch_str_concat(ptr %a679, ptr %a680, ptr %a681)
+  store { ptr, i64, i64 } %t678, ptr %a682
+  call void @finch_str_drop(ptr %a682)
+  %t683 = load { ptr, i64, i64 }, ptr %a679
+  %t684 = load ptr, ptr %a1
+  %t685 = load %S.ast.Type, ptr %a15
+  %t686 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t684, %S.ast.Type %t685)
+  store { ptr, i64, i64 } %t683, ptr %a688
+  store { ptr, i64, i64 } %t686, ptr %a689
+  call void @finch_str_concat(ptr %a687, ptr %a688, ptr %a689)
+  store { ptr, i64, i64 } %t683, ptr %a690
+  call void @finch_str_drop(ptr %a690)
+  store { ptr, i64, i64 } %t686, ptr %a691
+  call void @finch_str_drop(ptr %a691)
+  %t692 = load { ptr, i64, i64 }, ptr %a687
+  store { ptr, i64, i64 } %t692, ptr %a694
+  store { ptr, i64, i64 } { ptr @.str.5557, i64 6, i64 0 }, ptr %a695
+  call void @finch_str_concat(ptr %a693, ptr %a694, ptr %a695)
+  store { ptr, i64, i64 } %t692, ptr %a696
+  call void @finch_str_drop(ptr %a696)
+  %t697 = load { ptr, i64, i64 }, ptr %a693
+  %t698 = load { ptr, i64, i64 }, ptr %a661
+  store { ptr, i64, i64 } %t697, ptr %a700
+  store { ptr, i64, i64 } %t698, ptr %a701
+  call void @finch_str_concat(ptr %a699, ptr %a700, ptr %a701)
+  store { ptr, i64, i64 } %t697, ptr %a702
+  call void @finch_str_drop(ptr %a702)
+  %t703 = load { ptr, i64, i64 }, ptr %a699
+  store { ptr, i64, i64 } %t703, ptr %a705
+  store { ptr, i64, i64 } { ptr @.str.5558, i64 6, i64 0 }, ptr %a706
+  call void @finch_str_concat(ptr %a704, ptr %a705, ptr %a706)
+  store { ptr, i64, i64 } %t703, ptr %a707
+  call void @finch_str_drop(ptr %a707)
+  %t708 = load { ptr, i64, i64 }, ptr %a704
+  %t709 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t710 = load i64, ptr %t709
+  call void @finch_str_from_int(ptr %a711, i64 %t710)
+  %t712 = load { ptr, i64, i64 }, ptr %a711
+  store { ptr, i64, i64 } %t708, ptr %a714
+  store { ptr, i64, i64 } %t712, ptr %a715
+  call void @finch_str_concat(ptr %a713, ptr %a714, ptr %a715)
+  store { ptr, i64, i64 } %t708, ptr %a716
+  call void @finch_str_drop(ptr %a716)
+  store { ptr, i64, i64 } %t712, ptr %a717
+  call void @finch_str_drop(ptr %a717)
+  %t718 = load { ptr, i64, i64 }, ptr %a713
+  store { ptr, i64, i64 } %t718, ptr %a720
+  store { ptr, i64, i64 } { ptr @.str.5559, i64 1, i64 0 }, ptr %a721
+  call void @finch_str_concat(ptr %a719, ptr %a720, ptr %a721)
+  store { ptr, i64, i64 } %t718, ptr %a722
+  call void @finch_str_drop(ptr %a722)
+  %t723 = load { ptr, i64, i64 }, ptr %a719
+  call void @finch.gen.emit(ptr %t662, { ptr, i64, i64 } %t723)
+  store { ptr, i64, i64 } %t723, ptr %a724
+  call void @finch_str_drop(ptr %a724)
+  %t725 = load ptr, ptr %a1
+  %t726 = load { ptr, i64, i64 }, ptr %a3
+  %t727 = call { ptr, i64, i64 } @finch.gen.load(ptr %t725, { ptr, i64, i64 } { ptr @.str.5560, i64 3, i64 0 }, { ptr, i64, i64 } %t726)
+  store { ptr, i64, i64 } %t727, ptr %a728
+  %t729 = load ptr, ptr %a1
+  %t730 = load { ptr, i64, i64 }, ptr %a19
+  %t731 = load { ptr, i64, i64 }, ptr %a647
+  %t732 = load ptr, ptr %a1
+  %t733 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5561, i64 23, i64 0 }, ptr %a735
+  store { ptr, i64, i64 } %t733, ptr %a736
+  call void @finch_str_concat(ptr %a734, ptr %a735, ptr %a736)
+  %t737 = load { ptr, i64, i64 }, ptr %a734
+  store { ptr, i64, i64 } %t737, ptr %a739
+  store { ptr, i64, i64 } { ptr @.str.5562, i64 6, i64 0 }, ptr %a740
+  call void @finch_str_concat(ptr %a738, ptr %a739, ptr %a740)
+  store { ptr, i64, i64 } %t737, ptr %a741
+  call void @finch_str_drop(ptr %a741)
+  %t742 = load { ptr, i64, i64 }, ptr %a738
+  %t743 = load { ptr, i64, i64 }, ptr %a728
+  store { ptr, i64, i64 } %t742, ptr %a745
+  store { ptr, i64, i64 } %t743, ptr %a746
+  call void @finch_str_concat(ptr %a744, ptr %a745, ptr %a746)
+  store { ptr, i64, i64 } %t742, ptr %a747
+  call void @finch_str_drop(ptr %a747)
+  %t748 = load { ptr, i64, i64 }, ptr %a744
+  store { ptr, i64, i64 } %t748, ptr %a750
+  store { ptr, i64, i64 } { ptr @.str.5563, i64 6, i64 0 }, ptr %a751
+  call void @finch_str_concat(ptr %a749, ptr %a750, ptr %a751)
+  store { ptr, i64, i64 } %t748, ptr %a752
+  call void @finch_str_drop(ptr %a752)
+  %t753 = load { ptr, i64, i64 }, ptr %a749
+  %t754 = load { ptr, i64, i64 }, ptr %a622
+  store { ptr, i64, i64 } %t753, ptr %a756
+  store { ptr, i64, i64 } %t754, ptr %a757
+  call void @finch_str_concat(ptr %a755, ptr %a756, ptr %a757)
+  store { ptr, i64, i64 } %t753, ptr %a758
+  call void @finch_str_drop(ptr %a758)
+  %t759 = load { ptr, i64, i64 }, ptr %a755
+  %t760 = call { ptr, i64, i64 } @finch.gen.op(ptr %t732, { ptr, i64, i64 } %t759)
+  store { ptr, i64, i64 } %t759, ptr %a761
+  call void @finch_str_drop(ptr %a761)
+  call void @finch.gen.store(ptr %t729, { ptr, i64, i64 } %t730, { ptr, i64, i64 } %t731, { ptr, i64, i64 } %t760)
+  store { ptr, i64, i64 } %t760, ptr %a762
+  call void @finch_str_drop(ptr %a762)
+  %t763 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5564, i64 4, i64 0 })
+  %t764 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t763, 1
+  call void @finch_str_drop(ptr %a728)
+  call void @finch_str_drop(ptr %a661)
+  call void @finch_str_drop(ptr %a647)
+  call void @finch_str_drop(ptr %a622)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t764
+endif8497:
+  %t765 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t765, ptr %a766
+  store { ptr, i64, i64 } { ptr @.str.5565, i64 6, i64 0 }, ptr %a767
+  %t768 = call i32 @finch_str_eq(ptr %a766, ptr %a767)
+  %t769 = icmp ne i32 %t768, 0
+  br i1 %t769, label %then8510, label %endif8512
+then8510:
+  %t770 = load ptr, ptr %a1
+  %t771 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t770, %S.ast.Node %t771, i64 1)
+  %t772 = load ptr, ptr %a1
+  %t773 = load ptr, ptr %a1
+  %t774 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t775 = load { ptr, i64, i64 }, ptr %t774
+  %t776 = extractvalue { ptr, i64, i64 } %t775, 1
+  %t777 = icmp uge i64 1, %t776
+  br i1 %t777, label %range8513, label %inrange8514
+range8513:
+  call void @finch_panic_index(ptr @.str.5566, i64 5261, i64 1, i64 %t776)
   unreachable
-inrange8066:
-  %t691 = extractvalue { ptr, i64, i64 } %t688, 0
-  %t692 = getelementptr inbounds %S.ast.Node, ptr %t691, i64 1
-  %t693 = load %S.ast.Node, ptr %t692
-  %t694 = call %S.gen.Val @finch.gen.coerce(ptr %t676, %S.gen.Val %t685, %S.ast.Type %t686, %S.ast.Node %t693, { ptr, i64, i64 } { ptr @.str.5380, i64 12, i64 0 })
-  %t695 = extractvalue %S.gen.Val %t694, 0
-  store { ptr, i64, i64 } %t695, ptr %a696
-  call void @finch_str_copy(ptr %a697, ptr %a696)
-  %t698 = load { ptr, i64, i64 }, ptr %a697
-  store { ptr, i64, i64 } %t698, ptr %a699
-  %t700 = load ptr, ptr %a1
-  %t701 = load { ptr, i64, i64 }, ptr %a699
-  %t702 = load ptr, ptr %a1
-  %t703 = load { ptr, i64, i64 }, ptr %a37
-  %t704 = call { ptr, i64, i64 } @finch.gen.load(ptr %t702, { ptr, i64, i64 } { ptr @.str.5381, i64 3, i64 0 }, { ptr, i64, i64 } %t703)
-  %t705 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.boundsCheck(ptr %t700, { ptr, i64, i64 } %t701, { ptr, i64, i64 } %t704, %S.ast.Node %t705)
-  %t706 = load ptr, ptr %a1
-  %t707 = load { ptr, i64, i64 }, ptr %a3
-  %t708 = call { ptr, i64, i64 } @finch.gen.load(ptr %t706, { ptr, i64, i64 } { ptr @.str.5382, i64 3, i64 0 }, { ptr, i64, i64 } %t707)
-  store { ptr, i64, i64 } %t708, ptr %a709
-  %t710 = load ptr, ptr %a1
-  %t711 = load { ptr, i64, i64 }, ptr %a19
-  %t712 = load ptr, ptr %a1
-  %t713 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5383, i64 23, i64 0 }, ptr %a715
-  store { ptr, i64, i64 } %t713, ptr %a716
-  call void @finch_str_concat(ptr %a714, ptr %a715, ptr %a716)
-  %t717 = load { ptr, i64, i64 }, ptr %a714
-  store { ptr, i64, i64 } %t717, ptr %a719
-  store { ptr, i64, i64 } { ptr @.str.5384, i64 6, i64 0 }, ptr %a720
-  call void @finch_str_concat(ptr %a718, ptr %a719, ptr %a720)
-  %t721 = load { ptr, i64, i64 }, ptr %a718
-  %t722 = load { ptr, i64, i64 }, ptr %a709
-  store { ptr, i64, i64 } %t721, ptr %a724
-  store { ptr, i64, i64 } %t722, ptr %a725
-  call void @finch_str_concat(ptr %a723, ptr %a724, ptr %a725)
-  %t726 = load { ptr, i64, i64 }, ptr %a723
-  store { ptr, i64, i64 } %t726, ptr %a728
-  store { ptr, i64, i64 } { ptr @.str.5385, i64 6, i64 0 }, ptr %a729
-  call void @finch_str_concat(ptr %a727, ptr %a728, ptr %a729)
-  %t730 = load { ptr, i64, i64 }, ptr %a727
-  %t731 = load { ptr, i64, i64 }, ptr %a699
-  store { ptr, i64, i64 } %t730, ptr %a733
-  store { ptr, i64, i64 } %t731, ptr %a734
-  call void @finch_str_concat(ptr %a732, ptr %a733, ptr %a734)
-  %t735 = load { ptr, i64, i64 }, ptr %a732
-  %t736 = call { ptr, i64, i64 } @finch.gen.op(ptr %t712, { ptr, i64, i64 } %t735)
-  %t737 = call { ptr, i64, i64 } @finch.gen.load(ptr %t710, { ptr, i64, i64 } %t711, { ptr, i64, i64 } %t736)
-  store { ptr, i64, i64 } %t737, ptr %a738
-  %t739 = load ptr, ptr %a1
-  %t740 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5386, i64 36, i64 0 }, ptr %a742
-  store { ptr, i64, i64 } %t740, ptr %a743
-  call void @finch_str_concat(ptr %a741, ptr %a742, ptr %a743)
-  %t744 = load { ptr, i64, i64 }, ptr %a741
-  store { ptr, i64, i64 } %t744, ptr %a746
-  store { ptr, i64, i64 } { ptr @.str.5387, i64 6, i64 0 }, ptr %a747
-  call void @finch_str_concat(ptr %a745, ptr %a746, ptr %a747)
-  %t748 = load { ptr, i64, i64 }, ptr %a745
-  %t749 = load { ptr, i64, i64 }, ptr %a699
-  store { ptr, i64, i64 } %t748, ptr %a751
-  store { ptr, i64, i64 } %t749, ptr %a752
-  call void @finch_str_concat(ptr %a750, ptr %a751, ptr %a752)
-  %t753 = load { ptr, i64, i64 }, ptr %a750
-  store { ptr, i64, i64 } %t753, ptr %a755
-  store { ptr, i64, i64 } { ptr @.str.5388, i64 6, i64 0 }, ptr %a756
-  call void @finch_str_concat(ptr %a754, ptr %a755, ptr %a756)
-  %t757 = load { ptr, i64, i64 }, ptr %a754
-  %t758 = load ptr, ptr %a1
-  %t759 = load %S.ast.Type, ptr %a15
-  %t760 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t758, %S.ast.Type %t759)
-  store { ptr, i64, i64 } %t757, ptr %a762
-  store { ptr, i64, i64 } %t760, ptr %a763
-  call void @finch_str_concat(ptr %a761, ptr %a762, ptr %a763)
-  %t764 = load { ptr, i64, i64 }, ptr %a761
-  store { ptr, i64, i64 } %t764, ptr %a766
-  store { ptr, i64, i64 } { ptr @.str.5389, i64 1, i64 0 }, ptr %a767
-  call void @finch_str_concat(ptr %a765, ptr %a766, ptr %a767)
-  %t768 = load { ptr, i64, i64 }, ptr %a765
-  call void @finch.gen.emit(ptr %t739, { ptr, i64, i64 } %t768)
-  %t769 = load { ptr, i64, i64 }, ptr %a738
-  store { ptr, i64, i64 } %t769, ptr %a770
-  call void @finch_str_copy(ptr %a771, ptr %a770)
-  %t772 = load { ptr, i64, i64 }, ptr %a771
-  %t773 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t772, 0
-  %t774 = load %S.ast.Type, ptr %a15
-  store %S.ast.Type %t774, ptr %a775
-  call void @finch.copy.S_ast_Type(ptr %a776, ptr %a775)
-  %t777 = load %S.ast.Type, ptr %a776
-  %t778 = insertvalue %S.gen.Val %t773, %S.ast.Type %t777, 1
-  %t779 = load ptr, ptr %a1
-  %t780 = load %S.ast.Type, ptr %a15
-  %t781 = call i1 @finch.gen.owning(ptr %t779, %S.ast.Type %t780)
-  %t782 = insertvalue %S.gen.Val %t778, i1 %t781, 2
-  ret %S.gen.Val %t782
-endif8062:
-  %t783 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t783, ptr %a784
-  store { ptr, i64, i64 } { ptr @.str.5390, i64 6, i64 0 }, ptr %a785
-  %t786 = call i32 @finch_str_eq(ptr %a784, ptr %a785)
-  %t787 = icmp ne i32 %t786, 0
-  br i1 %t787, label %then8067, label %endif8069
-then8067:
-  %t788 = load ptr, ptr %a1
-  %t789 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t788, %S.ast.Node %t789, i64 1)
-  %t790 = load ptr, ptr %a1
-  %t791 = load ptr, ptr %a1
-  %t792 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t793 = load { ptr, i64, i64 }, ptr %t792
-  %t794 = extractvalue { ptr, i64, i64 } %t793, 1
-  %t795 = icmp uge i64 1, %t794
-  br i1 %t795, label %range8070, label %inrange8071
-range8070:
-  call void @finch_panic_index(ptr @.str.5391, i64 4876, i64 1, i64 %t794)
+inrange8514:
+  %t778 = extractvalue { ptr, i64, i64 } %t775, 0
+  %t779 = getelementptr inbounds %S.ast.Node, ptr %t778, i64 1
+  %t780 = load %S.ast.Node, ptr %t779
+  %t781 = call %S.gen.Val @finch.gen.expr(ptr %t773, %S.ast.Node %t780)
+  %t782 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5567, i64 3, i64 0 })
+  %t783 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t784 = load { ptr, i64, i64 }, ptr %t783
+  %t785 = extractvalue { ptr, i64, i64 } %t784, 1
+  %t786 = icmp uge i64 1, %t785
+  br i1 %t786, label %range8515, label %inrange8516
+range8515:
+  call void @finch_panic_index(ptr @.str.5568, i64 5261, i64 1, i64 %t785)
   unreachable
-inrange8071:
-  %t796 = extractvalue { ptr, i64, i64 } %t793, 0
-  %t797 = getelementptr inbounds %S.ast.Node, ptr %t796, i64 1
-  %t798 = load %S.ast.Node, ptr %t797
-  %t799 = call %S.gen.Val @finch.gen.expr(ptr %t791, %S.ast.Node %t798)
-  %t800 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5392, i64 3, i64 0 })
-  %t801 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t802 = load { ptr, i64, i64 }, ptr %t801
-  %t803 = extractvalue { ptr, i64, i64 } %t802, 1
-  %t804 = icmp uge i64 1, %t803
-  br i1 %t804, label %range8072, label %inrange8073
-range8072:
-  call void @finch_panic_index(ptr @.str.5393, i64 4876, i64 1, i64 %t803)
-  unreachable
-inrange8073:
-  %t805 = extractvalue { ptr, i64, i64 } %t802, 0
-  %t806 = getelementptr inbounds %S.ast.Node, ptr %t805, i64 1
-  %t807 = load %S.ast.Node, ptr %t806
-  %t808 = call %S.gen.Val @finch.gen.coerce(ptr %t790, %S.gen.Val %t799, %S.ast.Type %t800, %S.ast.Node %t807, { ptr, i64, i64 } { ptr @.str.5394, i64 14, i64 0 })
-  %t809 = extractvalue %S.gen.Val %t808, 0
-  store { ptr, i64, i64 } %t809, ptr %a810
-  call void @finch_str_copy(ptr %a811, ptr %a810)
-  %t812 = load { ptr, i64, i64 }, ptr %a811
-  store { ptr, i64, i64 } %t812, ptr %a813
-  %t814 = load ptr, ptr %a1
-  %t815 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5395, i64 32, i64 0 }, ptr %a817
-  store { ptr, i64, i64 } %t815, ptr %a818
-  call void @finch_str_concat(ptr %a816, ptr %a817, ptr %a818)
-  %t819 = load { ptr, i64, i64 }, ptr %a816
-  store { ptr, i64, i64 } %t819, ptr %a821
-  store { ptr, i64, i64 } { ptr @.str.5396, i64 6, i64 0 }, ptr %a822
-  call void @finch_str_concat(ptr %a820, ptr %a821, ptr %a822)
-  %t823 = load { ptr, i64, i64 }, ptr %a820
-  %t824 = load { ptr, i64, i64 }, ptr %a813
+inrange8516:
+  %t787 = extractvalue { ptr, i64, i64 } %t784, 0
+  %t788 = getelementptr inbounds %S.ast.Node, ptr %t787, i64 1
+  %t789 = load %S.ast.Node, ptr %t788
+  %t790 = call %S.gen.Val @finch.gen.coerce(ptr %t772, %S.gen.Val %t781, %S.ast.Type %t782, %S.ast.Node %t789, { ptr, i64, i64 } { ptr @.str.5569, i64 12, i64 0 })
+  store %S.gen.Val %t781, ptr %a791
+  call void @finch.drop.S_gen_Val(ptr %a791)
+  store %S.ast.Type %t782, ptr %a792
+  call void @finch.drop.S_ast_Type(ptr %a792)
+  %t793 = extractvalue %S.gen.Val %t790, 0
+  store { ptr, i64, i64 } %t793, ptr %a794
+  call void @finch_str_copy(ptr %a795, ptr %a794)
+  %t796 = load { ptr, i64, i64 }, ptr %a795
+  store %S.gen.Val %t790, ptr %a797
+  call void @finch.drop.S_gen_Val(ptr %a797)
+  store { ptr, i64, i64 } %t796, ptr %a798
+  %t799 = load ptr, ptr %a1
+  %t800 = load { ptr, i64, i64 }, ptr %a798
+  %t801 = load ptr, ptr %a1
+  %t802 = load { ptr, i64, i64 }, ptr %a39
+  %t803 = call { ptr, i64, i64 } @finch.gen.load(ptr %t801, { ptr, i64, i64 } { ptr @.str.5570, i64 3, i64 0 }, { ptr, i64, i64 } %t802)
+  %t804 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.boundsCheck(ptr %t799, { ptr, i64, i64 } %t800, { ptr, i64, i64 } %t803, %S.ast.Node %t804)
+  store { ptr, i64, i64 } %t803, ptr %a805
+  call void @finch_str_drop(ptr %a805)
+  %t806 = load ptr, ptr %a1
+  %t807 = load { ptr, i64, i64 }, ptr %a3
+  %t808 = call { ptr, i64, i64 } @finch.gen.load(ptr %t806, { ptr, i64, i64 } { ptr @.str.5571, i64 3, i64 0 }, { ptr, i64, i64 } %t807)
+  store { ptr, i64, i64 } %t808, ptr %a809
+  %t810 = load ptr, ptr %a1
+  %t811 = load { ptr, i64, i64 }, ptr %a19
+  %t812 = load ptr, ptr %a1
+  %t813 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5572, i64 23, i64 0 }, ptr %a815
+  store { ptr, i64, i64 } %t813, ptr %a816
+  call void @finch_str_concat(ptr %a814, ptr %a815, ptr %a816)
+  %t817 = load { ptr, i64, i64 }, ptr %a814
+  store { ptr, i64, i64 } %t817, ptr %a819
+  store { ptr, i64, i64 } { ptr @.str.5573, i64 6, i64 0 }, ptr %a820
+  call void @finch_str_concat(ptr %a818, ptr %a819, ptr %a820)
+  store { ptr, i64, i64 } %t817, ptr %a821
+  call void @finch_str_drop(ptr %a821)
+  %t822 = load { ptr, i64, i64 }, ptr %a818
+  %t823 = load { ptr, i64, i64 }, ptr %a809
+  store { ptr, i64, i64 } %t822, ptr %a825
   store { ptr, i64, i64 } %t823, ptr %a826
-  store { ptr, i64, i64 } %t824, ptr %a827
-  call void @finch_str_concat(ptr %a825, ptr %a826, ptr %a827)
-  %t828 = load { ptr, i64, i64 }, ptr %a825
+  call void @finch_str_concat(ptr %a824, ptr %a825, ptr %a826)
+  store { ptr, i64, i64 } %t822, ptr %a827
+  call void @finch_str_drop(ptr %a827)
+  %t828 = load { ptr, i64, i64 }, ptr %a824
   store { ptr, i64, i64 } %t828, ptr %a830
-  store { ptr, i64, i64 } { ptr @.str.5397, i64 6, i64 0 }, ptr %a831
+  store { ptr, i64, i64 } { ptr @.str.5574, i64 6, i64 0 }, ptr %a831
   call void @finch_str_concat(ptr %a829, ptr %a830, ptr %a831)
-  %t832 = load { ptr, i64, i64 }, ptr %a829
-  %t833 = load ptr, ptr %a1
-  %t834 = load %S.ast.Type, ptr %a15
-  %t835 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t833, %S.ast.Type %t834)
-  store { ptr, i64, i64 } %t832, ptr %a837
-  store { ptr, i64, i64 } %t835, ptr %a838
-  call void @finch_str_concat(ptr %a836, ptr %a837, ptr %a838)
-  %t839 = load { ptr, i64, i64 }, ptr %a836
+  store { ptr, i64, i64 } %t828, ptr %a832
+  call void @finch_str_drop(ptr %a832)
+  %t833 = load { ptr, i64, i64 }, ptr %a829
+  %t834 = load { ptr, i64, i64 }, ptr %a798
+  store { ptr, i64, i64 } %t833, ptr %a836
+  store { ptr, i64, i64 } %t834, ptr %a837
+  call void @finch_str_concat(ptr %a835, ptr %a836, ptr %a837)
+  store { ptr, i64, i64 } %t833, ptr %a838
+  call void @finch_str_drop(ptr %a838)
+  %t839 = load { ptr, i64, i64 }, ptr %a835
+  %t840 = call { ptr, i64, i64 } @finch.gen.op(ptr %t812, { ptr, i64, i64 } %t839)
   store { ptr, i64, i64 } %t839, ptr %a841
-  store { ptr, i64, i64 } { ptr @.str.5398, i64 1, i64 0 }, ptr %a842
-  call void @finch_str_concat(ptr %a840, ptr %a841, ptr %a842)
-  %t843 = load { ptr, i64, i64 }, ptr %a840
-  call void @finch.gen.emit(ptr %t814, { ptr, i64, i64 } %t843)
-  %t844 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5399, i64 4, i64 0 })
-  %t845 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t844, 1
-  ret %S.gen.Val %t845
-endif8069:
-  %t846 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t846, ptr %a847
-  store { ptr, i64, i64 } { ptr @.str.5400, i64 7, i64 0 }, ptr %a848
-  %t849 = call i32 @finch_str_eq(ptr %a847, ptr %a848)
-  %t850 = icmp ne i32 %t849, 0
-  br i1 %t850, label %then8074, label %endif8076
-then8074:
-  %t851 = load ptr, ptr %a1
-  %t852 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t851, %S.ast.Node %t852, i64 0)
-  %t853 = load ptr, ptr %a1
-  %t854 = load { ptr, i64, i64 }, ptr %a37
-  %t855 = call { ptr, i64, i64 } @finch.gen.load(ptr %t853, { ptr, i64, i64 } { ptr @.str.5401, i64 3, i64 0 }, { ptr, i64, i64 } %t854)
-  store { ptr, i64, i64 } %t855, ptr %a856
-  %t857 = load ptr, ptr %a1
-  %t858 = load { ptr, i64, i64 }, ptr %a3
-  %t859 = call { ptr, i64, i64 } @finch.gen.load(ptr %t857, { ptr, i64, i64 } { ptr @.str.5402, i64 3, i64 0 }, { ptr, i64, i64 } %t858)
-  store { ptr, i64, i64 } %t859, ptr %a860
-  %t861 = load ptr, ptr %a1
-  %t862 = load { ptr, i64, i64 }, ptr %a856
-  store { ptr, i64, i64 } { ptr @.str.5403, i64 9, i64 0 }, ptr %a864
-  store { ptr, i64, i64 } %t862, ptr %a865
-  call void @finch_str_concat(ptr %a863, ptr %a864, ptr %a865)
-  %t866 = load { ptr, i64, i64 }, ptr %a863
-  store { ptr, i64, i64 } %t866, ptr %a868
-  store { ptr, i64, i64 } { ptr @.str.5404, i64 3, i64 0 }, ptr %a869
-  call void @finch_str_concat(ptr %a867, ptr %a868, ptr %a869)
-  %t870 = load { ptr, i64, i64 }, ptr %a867
-  %t871 = call { ptr, i64, i64 } @finch.gen.op(ptr %t861, { ptr, i64, i64 } %t870)
-  store { ptr, i64, i64 } %t871, ptr %a872
-  %t873 = load ptr, ptr %a1
-  %t874 = load { ptr, i64, i64 }, ptr %a872
-  %t875 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t873, { ptr, i64, i64 } %t874)
-  store { ptr, i64, i64 } %t875, ptr %a876
-  %t877 = load ptr, ptr %a1
-  %t878 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5405, i64 23, i64 0 }, ptr %a880
-  store { ptr, i64, i64 } %t878, ptr %a881
-  call void @finch_str_concat(ptr %a879, ptr %a880, ptr %a881)
-  %t882 = load { ptr, i64, i64 }, ptr %a879
-  store { ptr, i64, i64 } %t882, ptr %a884
-  store { ptr, i64, i64 } { ptr @.str.5406, i64 6, i64 0 }, ptr %a885
-  call void @finch_str_concat(ptr %a883, ptr %a884, ptr %a885)
-  %t886 = load { ptr, i64, i64 }, ptr %a883
-  %t887 = load { ptr, i64, i64 }, ptr %a860
-  store { ptr, i64, i64 } %t886, ptr %a889
-  store { ptr, i64, i64 } %t887, ptr %a890
-  call void @finch_str_concat(ptr %a888, ptr %a889, ptr %a890)
-  %t891 = load { ptr, i64, i64 }, ptr %a888
-  store { ptr, i64, i64 } %t891, ptr %a893
-  store { ptr, i64, i64 } { ptr @.str.5407, i64 6, i64 0 }, ptr %a894
-  call void @finch_str_concat(ptr %a892, ptr %a893, ptr %a894)
-  %t895 = load { ptr, i64, i64 }, ptr %a892
-  %t896 = load { ptr, i64, i64 }, ptr %a876
-  %t897 = extractvalue { ptr, i64, i64 } %t896, 1
-  %t898 = icmp uge i64 3, %t897
-  br i1 %t898, label %range8077, label %inrange8078
-range8077:
-  call void @finch_panic_index(ptr @.str.5408, i64 4886, i64 3, i64 %t897)
+  call void @finch_str_drop(ptr %a841)
+  %t842 = call { ptr, i64, i64 } @finch.gen.load(ptr %t810, { ptr, i64, i64 } %t811, { ptr, i64, i64 } %t840)
+  store { ptr, i64, i64 } %t840, ptr %a843
+  call void @finch_str_drop(ptr %a843)
+  store { ptr, i64, i64 } %t842, ptr %a844
+  %t845 = load ptr, ptr %a1
+  %t846 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5575, i64 36, i64 0 }, ptr %a848
+  store { ptr, i64, i64 } %t846, ptr %a849
+  call void @finch_str_concat(ptr %a847, ptr %a848, ptr %a849)
+  %t850 = load { ptr, i64, i64 }, ptr %a847
+  store { ptr, i64, i64 } %t850, ptr %a852
+  store { ptr, i64, i64 } { ptr @.str.5576, i64 6, i64 0 }, ptr %a853
+  call void @finch_str_concat(ptr %a851, ptr %a852, ptr %a853)
+  store { ptr, i64, i64 } %t850, ptr %a854
+  call void @finch_str_drop(ptr %a854)
+  %t855 = load { ptr, i64, i64 }, ptr %a851
+  %t856 = load { ptr, i64, i64 }, ptr %a798
+  store { ptr, i64, i64 } %t855, ptr %a858
+  store { ptr, i64, i64 } %t856, ptr %a859
+  call void @finch_str_concat(ptr %a857, ptr %a858, ptr %a859)
+  store { ptr, i64, i64 } %t855, ptr %a860
+  call void @finch_str_drop(ptr %a860)
+  %t861 = load { ptr, i64, i64 }, ptr %a857
+  store { ptr, i64, i64 } %t861, ptr %a863
+  store { ptr, i64, i64 } { ptr @.str.5577, i64 6, i64 0 }, ptr %a864
+  call void @finch_str_concat(ptr %a862, ptr %a863, ptr %a864)
+  store { ptr, i64, i64 } %t861, ptr %a865
+  call void @finch_str_drop(ptr %a865)
+  %t866 = load { ptr, i64, i64 }, ptr %a862
+  %t867 = load ptr, ptr %a1
+  %t868 = load %S.ast.Type, ptr %a15
+  %t869 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t867, %S.ast.Type %t868)
+  store { ptr, i64, i64 } %t866, ptr %a871
+  store { ptr, i64, i64 } %t869, ptr %a872
+  call void @finch_str_concat(ptr %a870, ptr %a871, ptr %a872)
+  store { ptr, i64, i64 } %t866, ptr %a873
+  call void @finch_str_drop(ptr %a873)
+  store { ptr, i64, i64 } %t869, ptr %a874
+  call void @finch_str_drop(ptr %a874)
+  %t875 = load { ptr, i64, i64 }, ptr %a870
+  store { ptr, i64, i64 } %t875, ptr %a877
+  store { ptr, i64, i64 } { ptr @.str.5578, i64 1, i64 0 }, ptr %a878
+  call void @finch_str_concat(ptr %a876, ptr %a877, ptr %a878)
+  store { ptr, i64, i64 } %t875, ptr %a879
+  call void @finch_str_drop(ptr %a879)
+  %t880 = load { ptr, i64, i64 }, ptr %a876
+  call void @finch.gen.emit(ptr %t845, { ptr, i64, i64 } %t880)
+  store { ptr, i64, i64 } %t880, ptr %a881
+  call void @finch_str_drop(ptr %a881)
+  %t882 = load { ptr, i64, i64 }, ptr %a844
+  store { ptr, i64, i64 } %t882, ptr %a883
+  call void @finch_str_copy(ptr %a884, ptr %a883)
+  %t885 = load { ptr, i64, i64 }, ptr %a884
+  %t886 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t885, 0
+  %t887 = load %S.ast.Type, ptr %a15
+  store %S.ast.Type %t887, ptr %a888
+  call void @finch.copy.S_ast_Type(ptr %a889, ptr %a888)
+  %t890 = load %S.ast.Type, ptr %a889
+  %t891 = insertvalue %S.gen.Val %t886, %S.ast.Type %t890, 1
+  %t892 = load ptr, ptr %a1
+  %t893 = load %S.ast.Type, ptr %a15
+  %t894 = call i1 @finch.gen.owning(ptr %t892, %S.ast.Type %t893)
+  %t895 = insertvalue %S.gen.Val %t891, i1 %t894, 2
+  call void @finch_str_drop(ptr %a844)
+  call void @finch_str_drop(ptr %a809)
+  call void @finch_str_drop(ptr %a798)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t895
+endif8512:
+  %t896 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t896, ptr %a897
+  store { ptr, i64, i64 } { ptr @.str.5579, i64 6, i64 0 }, ptr %a898
+  %t899 = call i32 @finch_str_eq(ptr %a897, ptr %a898)
+  %t900 = icmp ne i32 %t899, 0
+  br i1 %t900, label %then8517, label %endif8519
+then8517:
+  %t901 = load ptr, ptr %a1
+  %t902 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t901, %S.ast.Node %t902, i64 1)
+  %t903 = load ptr, ptr %a1
+  %t904 = load ptr, ptr %a1
+  %t905 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t906 = load { ptr, i64, i64 }, ptr %t905
+  %t907 = extractvalue { ptr, i64, i64 } %t906, 1
+  %t908 = icmp uge i64 1, %t907
+  br i1 %t908, label %range8520, label %inrange8521
+range8520:
+  call void @finch_panic_index(ptr @.str.5580, i64 5270, i64 1, i64 %t907)
   unreachable
-inrange8078:
-  %t899 = extractvalue { ptr, i64, i64 } %t896, 0
-  %t900 = getelementptr inbounds { ptr, i64, i64 }, ptr %t899, i64 3
-  %t901 = load { ptr, i64, i64 }, ptr %t900
-  store { ptr, i64, i64 } %t895, ptr %a903
-  store { ptr, i64, i64 } %t901, ptr %a904
-  call void @finch_str_concat(ptr %a902, ptr %a903, ptr %a904)
-  %t905 = load { ptr, i64, i64 }, ptr %a902
-  %t906 = call { ptr, i64, i64 } @finch.gen.op(ptr %t877, { ptr, i64, i64 } %t905)
-  store { ptr, i64, i64 } %t906, ptr %a907
-  %t908 = load ptr, ptr %a1
-  %t909 = load ptr, ptr %a1
-  %t910 = load { ptr, i64, i64 }, ptr %a856
-  store { ptr, i64, i64 } { ptr @.str.5410, i64 8, i64 0 }, ptr %a912
-  store { ptr, i64, i64 } %t910, ptr %a913
-  call void @finch_str_concat(ptr %a911, ptr %a912, ptr %a913)
-  %t914 = load { ptr, i64, i64 }, ptr %a911
-  store { ptr, i64, i64 } %t914, ptr %a916
-  store { ptr, i64, i64 } { ptr @.str.5411, i64 3, i64 0 }, ptr %a917
-  call void @finch_str_concat(ptr %a915, ptr %a916, ptr %a917)
-  %t918 = load { ptr, i64, i64 }, ptr %a915
-  %t919 = call { ptr, i64, i64 } @finch.gen.op(ptr %t909, { ptr, i64, i64 } %t918)
-  store { ptr, i64, i64 } { ptr @.str.5409, i64 8, i64 0 }, ptr %a921
-  store { ptr, i64, i64 } %t919, ptr %a922
-  call void @finch_str_concat(ptr %a920, ptr %a921, ptr %a922)
-  %t923 = load { ptr, i64, i64 }, ptr %a920
-  store { ptr, i64, i64 } %t923, ptr %a925
-  store { ptr, i64, i64 } { ptr @.str.5412, i64 2, i64 0 }, ptr %a926
-  call void @finch_str_concat(ptr %a924, ptr %a925, ptr %a926)
-  %t927 = load { ptr, i64, i64 }, ptr %a924
-  %t928 = load { ptr, i64, i64 }, ptr %a876
-  %t929 = extractvalue { ptr, i64, i64 } %t928, 1
-  %t930 = icmp uge i64 3, %t929
-  br i1 %t930, label %range8079, label %inrange8080
-range8079:
-  call void @finch_panic_index(ptr @.str.5413, i64 4887, i64 3, i64 %t929)
+inrange8521:
+  %t909 = extractvalue { ptr, i64, i64 } %t906, 0
+  %t910 = getelementptr inbounds %S.ast.Node, ptr %t909, i64 1
+  %t911 = load %S.ast.Node, ptr %t910
+  %t912 = call %S.gen.Val @finch.gen.expr(ptr %t904, %S.ast.Node %t911)
+  %t913 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5581, i64 3, i64 0 })
+  %t914 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t915 = load { ptr, i64, i64 }, ptr %t914
+  %t916 = extractvalue { ptr, i64, i64 } %t915, 1
+  %t917 = icmp uge i64 1, %t916
+  br i1 %t917, label %range8522, label %inrange8523
+range8522:
+  call void @finch_panic_index(ptr @.str.5582, i64 5270, i64 1, i64 %t916)
   unreachable
-inrange8080:
-  %t931 = extractvalue { ptr, i64, i64 } %t928, 0
-  %t932 = getelementptr inbounds { ptr, i64, i64 }, ptr %t931, i64 3
-  %t933 = load { ptr, i64, i64 }, ptr %t932
-  store { ptr, i64, i64 } %t927, ptr %a935
-  store { ptr, i64, i64 } %t933, ptr %a936
-  call void @finch_str_concat(ptr %a934, ptr %a935, ptr %a936)
-  %t937 = load { ptr, i64, i64 }, ptr %a934
-  %t938 = call { ptr, i64, i64 } @finch.gen.op(ptr %t908, { ptr, i64, i64 } %t937)
-  store { ptr, i64, i64 } %t938, ptr %a939
-  %t940 = load ptr, ptr %a1
-  %t941 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5414, i64 23, i64 0 }, ptr %a943
-  store { ptr, i64, i64 } %t941, ptr %a944
-  call void @finch_str_concat(ptr %a942, ptr %a943, ptr %a944)
-  %t945 = load { ptr, i64, i64 }, ptr %a942
-  store { ptr, i64, i64 } %t945, ptr %a947
-  store { ptr, i64, i64 } { ptr @.str.5415, i64 6, i64 0 }, ptr %a948
+inrange8523:
+  %t918 = extractvalue { ptr, i64, i64 } %t915, 0
+  %t919 = getelementptr inbounds %S.ast.Node, ptr %t918, i64 1
+  %t920 = load %S.ast.Node, ptr %t919
+  %t921 = call %S.gen.Val @finch.gen.coerce(ptr %t903, %S.gen.Val %t912, %S.ast.Type %t913, %S.ast.Node %t920, { ptr, i64, i64 } { ptr @.str.5583, i64 14, i64 0 })
+  store %S.gen.Val %t912, ptr %a922
+  call void @finch.drop.S_gen_Val(ptr %a922)
+  store %S.ast.Type %t913, ptr %a923
+  call void @finch.drop.S_ast_Type(ptr %a923)
+  %t924 = extractvalue %S.gen.Val %t921, 0
+  store { ptr, i64, i64 } %t924, ptr %a925
+  call void @finch_str_copy(ptr %a926, ptr %a925)
+  %t927 = load { ptr, i64, i64 }, ptr %a926
+  store %S.gen.Val %t921, ptr %a928
+  call void @finch.drop.S_gen_Val(ptr %a928)
+  store { ptr, i64, i64 } %t927, ptr %a929
+  %t930 = load ptr, ptr %a1
+  %t931 = load { ptr, i64, i64 }, ptr %a3
+  %t932 = load %S.ast.Type, ptr %a4
+  %t933 = load { ptr, i64, i64 }, ptr %a929
+  call void @finch.gen.dropFrom(ptr %t930, { ptr, i64, i64 } %t931, %S.ast.Type %t932, { ptr, i64, i64 } %t933)
+  %t934 = load ptr, ptr %a1
+  %t935 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5584, i64 32, i64 0 }, ptr %a937
+  store { ptr, i64, i64 } %t935, ptr %a938
+  call void @finch_str_concat(ptr %a936, ptr %a937, ptr %a938)
+  %t939 = load { ptr, i64, i64 }, ptr %a936
+  store { ptr, i64, i64 } %t939, ptr %a941
+  store { ptr, i64, i64 } { ptr @.str.5585, i64 6, i64 0 }, ptr %a942
+  call void @finch_str_concat(ptr %a940, ptr %a941, ptr %a942)
+  store { ptr, i64, i64 } %t939, ptr %a943
+  call void @finch_str_drop(ptr %a943)
+  %t944 = load { ptr, i64, i64 }, ptr %a940
+  %t945 = load { ptr, i64, i64 }, ptr %a929
+  store { ptr, i64, i64 } %t944, ptr %a947
+  store { ptr, i64, i64 } %t945, ptr %a948
   call void @finch_str_concat(ptr %a946, ptr %a947, ptr %a948)
-  %t949 = load { ptr, i64, i64 }, ptr %a946
-  %t950 = load { ptr, i64, i64 }, ptr %a860
-  store { ptr, i64, i64 } %t949, ptr %a952
-  store { ptr, i64, i64 } %t950, ptr %a953
+  store { ptr, i64, i64 } %t944, ptr %a949
+  call void @finch_str_drop(ptr %a949)
+  %t950 = load { ptr, i64, i64 }, ptr %a946
+  store { ptr, i64, i64 } %t950, ptr %a952
+  store { ptr, i64, i64 } { ptr @.str.5586, i64 6, i64 0 }, ptr %a953
   call void @finch_str_concat(ptr %a951, ptr %a952, ptr %a953)
-  %t954 = load { ptr, i64, i64 }, ptr %a951
-  store { ptr, i64, i64 } %t954, ptr %a956
-  store { ptr, i64, i64 } { ptr @.str.5416, i64 6, i64 0 }, ptr %a957
-  call void @finch_str_concat(ptr %a955, ptr %a956, ptr %a957)
-  %t958 = load { ptr, i64, i64 }, ptr %a955
-  %t959 = load { ptr, i64, i64 }, ptr %a939
+  store { ptr, i64, i64 } %t950, ptr %a954
+  call void @finch_str_drop(ptr %a954)
+  %t955 = load { ptr, i64, i64 }, ptr %a951
+  %t956 = load ptr, ptr %a1
+  %t957 = load %S.ast.Type, ptr %a15
+  %t958 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t956, %S.ast.Type %t957)
+  store { ptr, i64, i64 } %t955, ptr %a960
   store { ptr, i64, i64 } %t958, ptr %a961
-  store { ptr, i64, i64 } %t959, ptr %a962
-  call void @finch_str_concat(ptr %a960, ptr %a961, ptr %a962)
-  %t963 = load { ptr, i64, i64 }, ptr %a960
-  %t964 = call { ptr, i64, i64 } @finch.gen.op(ptr %t940, { ptr, i64, i64 } %t963)
-  store { ptr, i64, i64 } %t964, ptr %a965
-  %t966 = load ptr, ptr %a1
-  %t967 = load { ptr, i64, i64 }, ptr %a19
-  %t968 = load { ptr, i64, i64 }, ptr %a907
-  %t969 = call { ptr, i64, i64 } @finch.gen.load(ptr %t966, { ptr, i64, i64 } %t967, { ptr, i64, i64 } %t968)
+  call void @finch_str_concat(ptr %a959, ptr %a960, ptr %a961)
+  store { ptr, i64, i64 } %t955, ptr %a962
+  call void @finch_str_drop(ptr %a962)
+  store { ptr, i64, i64 } %t958, ptr %a963
+  call void @finch_str_drop(ptr %a963)
+  %t964 = load { ptr, i64, i64 }, ptr %a959
+  store { ptr, i64, i64 } %t964, ptr %a966
+  store { ptr, i64, i64 } { ptr @.str.5587, i64 1, i64 0 }, ptr %a967
+  call void @finch_str_concat(ptr %a965, ptr %a966, ptr %a967)
+  store { ptr, i64, i64 } %t964, ptr %a968
+  call void @finch_str_drop(ptr %a968)
+  %t969 = load { ptr, i64, i64 }, ptr %a965
+  call void @finch.gen.emit(ptr %t934, { ptr, i64, i64 } %t969)
   store { ptr, i64, i64 } %t969, ptr %a970
-  %t971 = load ptr, ptr %a1
-  %t972 = load { ptr, i64, i64 }, ptr %a19
-  %t973 = load { ptr, i64, i64 }, ptr %a965
-  %t974 = call { ptr, i64, i64 } @finch.gen.load(ptr %t971, { ptr, i64, i64 } %t972, { ptr, i64, i64 } %t973)
-  store { ptr, i64, i64 } %t974, ptr %a975
-  %t976 = load ptr, ptr %a1
-  %t977 = load { ptr, i64, i64 }, ptr %a19
-  %t978 = load { ptr, i64, i64 }, ptr %a975
-  %t979 = load { ptr, i64, i64 }, ptr %a907
-  call void @finch.gen.store(ptr %t976, { ptr, i64, i64 } %t977, { ptr, i64, i64 } %t978, { ptr, i64, i64 } %t979)
+  call void @finch_str_drop(ptr %a970)
+  %t971 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5588, i64 4, i64 0 })
+  %t972 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t971, 1
+  call void @finch_str_drop(ptr %a929)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t972
+endif8519:
+  %t973 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t973, ptr %a974
+  store { ptr, i64, i64 } { ptr @.str.5589, i64 7, i64 0 }, ptr %a975
+  %t976 = call i32 @finch_str_eq(ptr %a974, ptr %a975)
+  %t977 = icmp ne i32 %t976, 0
+  br i1 %t977, label %then8524, label %endif8526
+then8524:
+  %t978 = load ptr, ptr %a1
+  %t979 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t978, %S.ast.Node %t979, i64 0)
   %t980 = load ptr, ptr %a1
-  %t981 = load { ptr, i64, i64 }, ptr %a19
-  %t982 = load { ptr, i64, i64 }, ptr %a970
-  %t983 = load { ptr, i64, i64 }, ptr %a965
-  call void @finch.gen.store(ptr %t980, { ptr, i64, i64 } %t981, { ptr, i64, i64 } %t982, { ptr, i64, i64 } %t983)
+  %t981 = load { ptr, i64, i64 }, ptr %a39
+  %t982 = call { ptr, i64, i64 } @finch.gen.load(ptr %t980, { ptr, i64, i64 } { ptr @.str.5590, i64 3, i64 0 }, { ptr, i64, i64 } %t981)
+  store { ptr, i64, i64 } %t982, ptr %a983
   %t984 = load ptr, ptr %a1
-  %t985 = load { ptr, i64, i64 }, ptr %a876
-  call void @finch.gen.loopEnd(ptr %t984, { ptr, i64, i64 } %t985)
-  %t986 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5417, i64 4, i64 0 })
-  %t987 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t986, 1
-  ret %S.gen.Val %t987
-endif8076:
-  %t988 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t988, ptr %a989
-  store { ptr, i64, i64 } { ptr @.str.5418, i64 5, i64 0 }, ptr %a990
-  %t991 = call i32 @finch_str_eq(ptr %a989, ptr %a990)
-  %t992 = icmp ne i32 %t991, 0
-  br i1 %t992, label %then8081, label %endif8083
-then8081:
-  %t993 = load ptr, ptr %a1
-  %t994 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t993, %S.ast.Node %t994, i64 2)
-  %t995 = load ptr, ptr %a1
-  %t996 = load ptr, ptr %a1
-  %t997 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t998 = load { ptr, i64, i64 }, ptr %t997
-  %t999 = extractvalue { ptr, i64, i64 } %t998, 1
-  %t1000 = icmp uge i64 1, %t999
-  br i1 %t1000, label %range8084, label %inrange8085
-range8084:
-  call void @finch_panic_index(ptr @.str.5419, i64 4898, i64 1, i64 %t999)
+  %t985 = load { ptr, i64, i64 }, ptr %a3
+  %t986 = call { ptr, i64, i64 } @finch.gen.load(ptr %t984, { ptr, i64, i64 } { ptr @.str.5591, i64 3, i64 0 }, { ptr, i64, i64 } %t985)
+  store { ptr, i64, i64 } %t986, ptr %a987
+  %t988 = load ptr, ptr %a1
+  %t989 = load { ptr, i64, i64 }, ptr %a983
+  store { ptr, i64, i64 } { ptr @.str.5592, i64 9, i64 0 }, ptr %a991
+  store { ptr, i64, i64 } %t989, ptr %a992
+  call void @finch_str_concat(ptr %a990, ptr %a991, ptr %a992)
+  %t993 = load { ptr, i64, i64 }, ptr %a990
+  store { ptr, i64, i64 } %t993, ptr %a995
+  store { ptr, i64, i64 } { ptr @.str.5593, i64 3, i64 0 }, ptr %a996
+  call void @finch_str_concat(ptr %a994, ptr %a995, ptr %a996)
+  store { ptr, i64, i64 } %t993, ptr %a997
+  call void @finch_str_drop(ptr %a997)
+  %t998 = load { ptr, i64, i64 }, ptr %a994
+  %t999 = call { ptr, i64, i64 } @finch.gen.op(ptr %t988, { ptr, i64, i64 } %t998)
+  store { ptr, i64, i64 } %t998, ptr %a1000
+  call void @finch_str_drop(ptr %a1000)
+  store { ptr, i64, i64 } %t999, ptr %a1001
+  %t1002 = load ptr, ptr %a1
+  %t1003 = load { ptr, i64, i64 }, ptr %a1001
+  %t1004 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t1002, { ptr, i64, i64 } %t1003)
+  store { ptr, i64, i64 } %t1004, ptr %a1005
+  %t1006 = load ptr, ptr %a1
+  %t1007 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5594, i64 23, i64 0 }, ptr %a1009
+  store { ptr, i64, i64 } %t1007, ptr %a1010
+  call void @finch_str_concat(ptr %a1008, ptr %a1009, ptr %a1010)
+  %t1011 = load { ptr, i64, i64 }, ptr %a1008
+  store { ptr, i64, i64 } %t1011, ptr %a1013
+  store { ptr, i64, i64 } { ptr @.str.5595, i64 6, i64 0 }, ptr %a1014
+  call void @finch_str_concat(ptr %a1012, ptr %a1013, ptr %a1014)
+  store { ptr, i64, i64 } %t1011, ptr %a1015
+  call void @finch_str_drop(ptr %a1015)
+  %t1016 = load { ptr, i64, i64 }, ptr %a1012
+  %t1017 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t1016, ptr %a1019
+  store { ptr, i64, i64 } %t1017, ptr %a1020
+  call void @finch_str_concat(ptr %a1018, ptr %a1019, ptr %a1020)
+  store { ptr, i64, i64 } %t1016, ptr %a1021
+  call void @finch_str_drop(ptr %a1021)
+  %t1022 = load { ptr, i64, i64 }, ptr %a1018
+  store { ptr, i64, i64 } %t1022, ptr %a1024
+  store { ptr, i64, i64 } { ptr @.str.5596, i64 6, i64 0 }, ptr %a1025
+  call void @finch_str_concat(ptr %a1023, ptr %a1024, ptr %a1025)
+  store { ptr, i64, i64 } %t1022, ptr %a1026
+  call void @finch_str_drop(ptr %a1026)
+  %t1027 = load { ptr, i64, i64 }, ptr %a1023
+  %t1028 = load { ptr, i64, i64 }, ptr %a1005
+  %t1029 = extractvalue { ptr, i64, i64 } %t1028, 1
+  %t1030 = icmp uge i64 3, %t1029
+  br i1 %t1030, label %range8527, label %inrange8528
+range8527:
+  call void @finch_panic_index(ptr @.str.5597, i64 5281, i64 3, i64 %t1029)
   unreachable
-inrange8085:
-  %t1001 = extractvalue { ptr, i64, i64 } %t998, 0
-  %t1002 = getelementptr inbounds %S.ast.Node, ptr %t1001, i64 1
-  %t1003 = load %S.ast.Node, ptr %t1002
-  %t1004 = call %S.gen.Val @finch.gen.expr(ptr %t996, %S.ast.Node %t1003)
-  %t1005 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5420, i64 3, i64 0 })
-  %t1006 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1007 = load { ptr, i64, i64 }, ptr %t1006
-  %t1008 = extractvalue { ptr, i64, i64 } %t1007, 1
-  %t1009 = icmp uge i64 1, %t1008
-  br i1 %t1009, label %range8086, label %inrange8087
-range8086:
-  call void @finch_panic_index(ptr @.str.5421, i64 4898, i64 1, i64 %t1008)
-  unreachable
-inrange8087:
-  %t1010 = extractvalue { ptr, i64, i64 } %t1007, 0
-  %t1011 = getelementptr inbounds %S.ast.Node, ptr %t1010, i64 1
-  %t1012 = load %S.ast.Node, ptr %t1011
-  %t1013 = call %S.gen.Val @finch.gen.coerce(ptr %t995, %S.gen.Val %t1004, %S.ast.Type %t1005, %S.ast.Node %t1012, { ptr, i64, i64 } { ptr @.str.5422, i64 9, i64 0 })
-  %t1014 = extractvalue %S.gen.Val %t1013, 0
-  store { ptr, i64, i64 } %t1014, ptr %a1015
-  call void @finch_str_copy(ptr %a1016, ptr %a1015)
-  %t1017 = load { ptr, i64, i64 }, ptr %a1016
-  store { ptr, i64, i64 } %t1017, ptr %a1018
-  %t1019 = load ptr, ptr %a1
-  %t1020 = load ptr, ptr %a1
-  %t1021 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1022 = load { ptr, i64, i64 }, ptr %t1021
-  %t1023 = extractvalue { ptr, i64, i64 } %t1022, 1
-  %t1024 = icmp uge i64 2, %t1023
-  br i1 %t1024, label %range8088, label %inrange8089
-range8088:
-  call void @finch_panic_index(ptr @.str.5423, i64 4899, i64 2, i64 %t1023)
-  unreachable
-inrange8089:
-  %t1025 = extractvalue { ptr, i64, i64 } %t1022, 0
-  %t1026 = getelementptr inbounds %S.ast.Node, ptr %t1025, i64 2
-  %t1027 = load %S.ast.Node, ptr %t1026
-  %t1028 = call %S.gen.Val @finch.gen.expr(ptr %t1020, %S.ast.Node %t1027)
-  %t1029 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5424, i64 3, i64 0 })
-  %t1030 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t1031 = load { ptr, i64, i64 }, ptr %t1030
-  %t1032 = extractvalue { ptr, i64, i64 } %t1031, 1
-  %t1033 = icmp uge i64 2, %t1032
-  br i1 %t1033, label %range8090, label %inrange8091
-range8090:
-  call void @finch_panic_index(ptr @.str.5425, i64 4899, i64 2, i64 %t1032)
-  unreachable
-inrange8091:
-  %t1034 = extractvalue { ptr, i64, i64 } %t1031, 0
-  %t1035 = getelementptr inbounds %S.ast.Node, ptr %t1034, i64 2
-  %t1036 = load %S.ast.Node, ptr %t1035
-  %t1037 = call %S.gen.Val @finch.gen.coerce(ptr %t1019, %S.gen.Val %t1028, %S.ast.Type %t1029, %S.ast.Node %t1036, { ptr, i64, i64 } { ptr @.str.5426, i64 7, i64 0 })
-  %t1038 = extractvalue %S.gen.Val %t1037, 0
-  store { ptr, i64, i64 } %t1038, ptr %a1039
-  call void @finch_str_copy(ptr %a1040, ptr %a1039)
-  %t1041 = load { ptr, i64, i64 }, ptr %a1040
-  store { ptr, i64, i64 } %t1041, ptr %a1042
+inrange8528:
+  %t1031 = extractvalue { ptr, i64, i64 } %t1028, 0
+  %t1032 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1031, i64 3
+  %t1033 = load { ptr, i64, i64 }, ptr %t1032
+  store { ptr, i64, i64 } %t1027, ptr %a1035
+  store { ptr, i64, i64 } %t1033, ptr %a1036
+  call void @finch_str_concat(ptr %a1034, ptr %a1035, ptr %a1036)
+  store { ptr, i64, i64 } %t1027, ptr %a1037
+  call void @finch_str_drop(ptr %a1037)
+  %t1038 = load { ptr, i64, i64 }, ptr %a1034
+  %t1039 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1006, { ptr, i64, i64 } %t1038)
+  store { ptr, i64, i64 } %t1038, ptr %a1040
+  call void @finch_str_drop(ptr %a1040)
+  store { ptr, i64, i64 } %t1039, ptr %a1041
+  %t1042 = load ptr, ptr %a1
   %t1043 = load ptr, ptr %a1
-  %t1044 = load { ptr, i64, i64 }, ptr %a37
-  %t1045 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1043, { ptr, i64, i64 } { ptr @.str.5427, i64 3, i64 0 }, { ptr, i64, i64 } %t1044)
-  store { ptr, i64, i64 } %t1045, ptr %a1046
-  %t1047 = load ptr, ptr %a1
-  %t1048 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.5428, i64 13, i64 0 }, ptr %a1050
-  store { ptr, i64, i64 } %t1048, ptr %a1051
+  %t1044 = load { ptr, i64, i64 }, ptr %a983
+  store { ptr, i64, i64 } { ptr @.str.5599, i64 8, i64 0 }, ptr %a1046
+  store { ptr, i64, i64 } %t1044, ptr %a1047
+  call void @finch_str_concat(ptr %a1045, ptr %a1046, ptr %a1047)
+  %t1048 = load { ptr, i64, i64 }, ptr %a1045
+  store { ptr, i64, i64 } %t1048, ptr %a1050
+  store { ptr, i64, i64 } { ptr @.str.5600, i64 3, i64 0 }, ptr %a1051
   call void @finch_str_concat(ptr %a1049, ptr %a1050, ptr %a1051)
-  %t1052 = load { ptr, i64, i64 }, ptr %a1049
-  store { ptr, i64, i64 } %t1052, ptr %a1054
-  store { ptr, i64, i64 } { ptr @.str.5429, i64 3, i64 0 }, ptr %a1055
-  call void @finch_str_concat(ptr %a1053, ptr %a1054, ptr %a1055)
-  %t1056 = load { ptr, i64, i64 }, ptr %a1053
-  %t1057 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1047, { ptr, i64, i64 } %t1056)
-  store { ptr, i64, i64 } %t1057, ptr %a1058
-  %t1059 = load ptr, ptr %a1
-  %t1060 = load { ptr, i64, i64 }, ptr %a1042
-  store { ptr, i64, i64 } { ptr @.str.5430, i64 13, i64 0 }, ptr %a1062
-  store { ptr, i64, i64 } %t1060, ptr %a1063
+  store { ptr, i64, i64 } %t1048, ptr %a1052
+  call void @finch_str_drop(ptr %a1052)
+  %t1053 = load { ptr, i64, i64 }, ptr %a1049
+  %t1054 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1043, { ptr, i64, i64 } %t1053)
+  store { ptr, i64, i64 } %t1053, ptr %a1055
+  call void @finch_str_drop(ptr %a1055)
+  store { ptr, i64, i64 } { ptr @.str.5598, i64 8, i64 0 }, ptr %a1057
+  store { ptr, i64, i64 } %t1054, ptr %a1058
+  call void @finch_str_concat(ptr %a1056, ptr %a1057, ptr %a1058)
+  store { ptr, i64, i64 } %t1054, ptr %a1059
+  call void @finch_str_drop(ptr %a1059)
+  %t1060 = load { ptr, i64, i64 }, ptr %a1056
+  store { ptr, i64, i64 } %t1060, ptr %a1062
+  store { ptr, i64, i64 } { ptr @.str.5601, i64 2, i64 0 }, ptr %a1063
   call void @finch_str_concat(ptr %a1061, ptr %a1062, ptr %a1063)
-  %t1064 = load { ptr, i64, i64 }, ptr %a1061
-  store { ptr, i64, i64 } %t1064, ptr %a1066
-  store { ptr, i64, i64 } { ptr @.str.5431, i64 2, i64 0 }, ptr %a1067
-  call void @finch_str_concat(ptr %a1065, ptr %a1066, ptr %a1067)
-  %t1068 = load { ptr, i64, i64 }, ptr %a1065
-  %t1069 = load { ptr, i64, i64 }, ptr %a1046
-  store { ptr, i64, i64 } %t1068, ptr %a1071
-  store { ptr, i64, i64 } %t1069, ptr %a1072
-  call void @finch_str_concat(ptr %a1070, ptr %a1071, ptr %a1072)
-  %t1073 = load { ptr, i64, i64 }, ptr %a1070
-  %t1074 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1059, { ptr, i64, i64 } %t1073)
-  store { ptr, i64, i64 } %t1074, ptr %a1075
-  %t1076 = load ptr, ptr %a1
-  %t1077 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.5432, i64 13, i64 0 }, ptr %a1079
-  store { ptr, i64, i64 } %t1077, ptr %a1080
-  call void @finch_str_concat(ptr %a1078, ptr %a1079, ptr %a1080)
-  %t1081 = load { ptr, i64, i64 }, ptr %a1078
-  store { ptr, i64, i64 } %t1081, ptr %a1083
-  store { ptr, i64, i64 } { ptr @.str.5433, i64 2, i64 0 }, ptr %a1084
+  store { ptr, i64, i64 } %t1060, ptr %a1064
+  call void @finch_str_drop(ptr %a1064)
+  %t1065 = load { ptr, i64, i64 }, ptr %a1061
+  %t1066 = load { ptr, i64, i64 }, ptr %a1005
+  %t1067 = extractvalue { ptr, i64, i64 } %t1066, 1
+  %t1068 = icmp uge i64 3, %t1067
+  br i1 %t1068, label %range8529, label %inrange8530
+range8529:
+  call void @finch_panic_index(ptr @.str.5602, i64 5282, i64 3, i64 %t1067)
+  unreachable
+inrange8530:
+  %t1069 = extractvalue { ptr, i64, i64 } %t1066, 0
+  %t1070 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1069, i64 3
+  %t1071 = load { ptr, i64, i64 }, ptr %t1070
+  store { ptr, i64, i64 } %t1065, ptr %a1073
+  store { ptr, i64, i64 } %t1071, ptr %a1074
+  call void @finch_str_concat(ptr %a1072, ptr %a1073, ptr %a1074)
+  store { ptr, i64, i64 } %t1065, ptr %a1075
+  call void @finch_str_drop(ptr %a1075)
+  %t1076 = load { ptr, i64, i64 }, ptr %a1072
+  %t1077 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1042, { ptr, i64, i64 } %t1076)
+  store { ptr, i64, i64 } %t1076, ptr %a1078
+  call void @finch_str_drop(ptr %a1078)
+  store { ptr, i64, i64 } %t1077, ptr %a1079
+  %t1080 = load ptr, ptr %a1
+  %t1081 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5603, i64 23, i64 0 }, ptr %a1083
+  store { ptr, i64, i64 } %t1081, ptr %a1084
   call void @finch_str_concat(ptr %a1082, ptr %a1083, ptr %a1084)
   %t1085 = load { ptr, i64, i64 }, ptr %a1082
-  %t1086 = load { ptr, i64, i64 }, ptr %a1042
-  store { ptr, i64, i64 } %t1085, ptr %a1088
-  store { ptr, i64, i64 } %t1086, ptr %a1089
-  call void @finch_str_concat(ptr %a1087, ptr %a1088, ptr %a1089)
-  %t1090 = load { ptr, i64, i64 }, ptr %a1087
-  %t1091 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1076, { ptr, i64, i64 } %t1090)
-  store { ptr, i64, i64 } %t1091, ptr %a1092
-  %t1093 = load ptr, ptr %a1
-  %t1094 = load ptr, ptr %a1
-  %t1095 = load ptr, ptr %a1
-  %t1096 = load { ptr, i64, i64 }, ptr %a1058
-  store { ptr, i64, i64 } { ptr @.str.5435, i64 6, i64 0 }, ptr %a1098
-  store { ptr, i64, i64 } %t1096, ptr %a1099
+  store { ptr, i64, i64 } %t1085, ptr %a1087
+  store { ptr, i64, i64 } { ptr @.str.5604, i64 6, i64 0 }, ptr %a1088
+  call void @finch_str_concat(ptr %a1086, ptr %a1087, ptr %a1088)
+  store { ptr, i64, i64 } %t1085, ptr %a1089
+  call void @finch_str_drop(ptr %a1089)
+  %t1090 = load { ptr, i64, i64 }, ptr %a1086
+  %t1091 = load { ptr, i64, i64 }, ptr %a987
+  store { ptr, i64, i64 } %t1090, ptr %a1093
+  store { ptr, i64, i64 } %t1091, ptr %a1094
+  call void @finch_str_concat(ptr %a1092, ptr %a1093, ptr %a1094)
+  store { ptr, i64, i64 } %t1090, ptr %a1095
+  call void @finch_str_drop(ptr %a1095)
+  %t1096 = load { ptr, i64, i64 }, ptr %a1092
+  store { ptr, i64, i64 } %t1096, ptr %a1098
+  store { ptr, i64, i64 } { ptr @.str.5605, i64 6, i64 0 }, ptr %a1099
   call void @finch_str_concat(ptr %a1097, ptr %a1098, ptr %a1099)
-  %t1100 = load { ptr, i64, i64 }, ptr %a1097
-  store { ptr, i64, i64 } %t1100, ptr %a1102
-  store { ptr, i64, i64 } { ptr @.str.5436, i64 2, i64 0 }, ptr %a1103
-  call void @finch_str_concat(ptr %a1101, ptr %a1102, ptr %a1103)
-  %t1104 = load { ptr, i64, i64 }, ptr %a1101
-  %t1105 = load { ptr, i64, i64 }, ptr %a1075
-  store { ptr, i64, i64 } %t1104, ptr %a1107
-  store { ptr, i64, i64 } %t1105, ptr %a1108
-  call void @finch_str_concat(ptr %a1106, ptr %a1107, ptr %a1108)
-  %t1109 = load { ptr, i64, i64 }, ptr %a1106
-  %t1110 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1095, { ptr, i64, i64 } %t1109)
-  store { ptr, i64, i64 } { ptr @.str.5434, i64 6, i64 0 }, ptr %a1112
-  store { ptr, i64, i64 } %t1110, ptr %a1113
-  call void @finch_str_concat(ptr %a1111, ptr %a1112, ptr %a1113)
-  %t1114 = load { ptr, i64, i64 }, ptr %a1111
-  store { ptr, i64, i64 } %t1114, ptr %a1116
-  store { ptr, i64, i64 } { ptr @.str.5437, i64 2, i64 0 }, ptr %a1117
-  call void @finch_str_concat(ptr %a1115, ptr %a1116, ptr %a1117)
-  %t1118 = load { ptr, i64, i64 }, ptr %a1115
-  %t1119 = load { ptr, i64, i64 }, ptr %a1092
-  store { ptr, i64, i64 } %t1118, ptr %a1121
-  store { ptr, i64, i64 } %t1119, ptr %a1122
-  call void @finch_str_concat(ptr %a1120, ptr %a1121, ptr %a1122)
+  store { ptr, i64, i64 } %t1096, ptr %a1100
+  call void @finch_str_drop(ptr %a1100)
+  %t1101 = load { ptr, i64, i64 }, ptr %a1097
+  %t1102 = load { ptr, i64, i64 }, ptr %a1079
+  store { ptr, i64, i64 } %t1101, ptr %a1104
+  store { ptr, i64, i64 } %t1102, ptr %a1105
+  call void @finch_str_concat(ptr %a1103, ptr %a1104, ptr %a1105)
+  store { ptr, i64, i64 } %t1101, ptr %a1106
+  call void @finch_str_drop(ptr %a1106)
+  %t1107 = load { ptr, i64, i64 }, ptr %a1103
+  %t1108 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1080, { ptr, i64, i64 } %t1107)
+  store { ptr, i64, i64 } %t1107, ptr %a1109
+  call void @finch_str_drop(ptr %a1109)
+  store { ptr, i64, i64 } %t1108, ptr %a1110
+  %t1111 = load ptr, ptr %a1
+  %t1112 = load { ptr, i64, i64 }, ptr %a19
+  %t1113 = load { ptr, i64, i64 }, ptr %a1041
+  %t1114 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1111, { ptr, i64, i64 } %t1112, { ptr, i64, i64 } %t1113)
+  store { ptr, i64, i64 } %t1114, ptr %a1115
+  %t1116 = load ptr, ptr %a1
+  %t1117 = load { ptr, i64, i64 }, ptr %a19
+  %t1118 = load { ptr, i64, i64 }, ptr %a1110
+  %t1119 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1116, { ptr, i64, i64 } %t1117, { ptr, i64, i64 } %t1118)
+  store { ptr, i64, i64 } %t1119, ptr %a1120
+  %t1121 = load ptr, ptr %a1
+  %t1122 = load { ptr, i64, i64 }, ptr %a19
   %t1123 = load { ptr, i64, i64 }, ptr %a1120
-  %t1124 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1094, { ptr, i64, i64 } %t1123)
-  %t1125 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.panicIf(ptr %t1093, { ptr, i64, i64 } %t1124, { ptr, i64, i64 } { ptr @.str.5438, i64 33, i64 0 }, %S.ast.Node %t1125)
-  %t1126 = load ptr, ptr %a1
-  %t1127 = load { ptr, i64, i64 }, ptr %a1042
-  store { ptr, i64, i64 } { ptr @.str.5439, i64 8, i64 0 }, ptr %a1129
-  store { ptr, i64, i64 } %t1127, ptr %a1130
-  call void @finch_str_concat(ptr %a1128, ptr %a1129, ptr %a1130)
-  %t1131 = load { ptr, i64, i64 }, ptr %a1128
-  store { ptr, i64, i64 } %t1131, ptr %a1133
-  store { ptr, i64, i64 } { ptr @.str.5440, i64 2, i64 0 }, ptr %a1134
-  call void @finch_str_concat(ptr %a1132, ptr %a1133, ptr %a1134)
-  %t1135 = load { ptr, i64, i64 }, ptr %a1132
-  %t1136 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } %t1135, ptr %a1138
-  store { ptr, i64, i64 } %t1136, ptr %a1139
-  call void @finch_str_concat(ptr %a1137, ptr %a1138, ptr %a1139)
-  %t1140 = load { ptr, i64, i64 }, ptr %a1137
-  %t1141 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1126, { ptr, i64, i64 } %t1140)
-  store { ptr, i64, i64 } %t1141, ptr %a1142
-  %t1143 = load ptr, ptr %a1
-  %t1144 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1143, { ptr, i64, i64 } { ptr @.str.5441, i64 17, i64 0 })
-  store { ptr, i64, i64 } %t1144, ptr %a1145
-  %t1146 = load ptr, ptr %a1
-  %t1147 = load { ptr, i64, i64 }, ptr %a1145
-  store { ptr, i64, i64 } { ptr @.str.5442, i64 30, i64 0 }, ptr %a1149
-  store { ptr, i64, i64 } %t1147, ptr %a1150
-  call void @finch_str_concat(ptr %a1148, ptr %a1149, ptr %a1150)
-  %t1151 = load { ptr, i64, i64 }, ptr %a1148
-  store { ptr, i64, i64 } %t1151, ptr %a1153
-  store { ptr, i64, i64 } { ptr @.str.5443, i64 6, i64 0 }, ptr %a1154
-  call void @finch_str_concat(ptr %a1152, ptr %a1153, ptr %a1154)
-  %t1155 = load { ptr, i64, i64 }, ptr %a1152
-  %t1156 = load { ptr, i64, i64 }, ptr %a1142
-  store { ptr, i64, i64 } %t1155, ptr %a1158
-  store { ptr, i64, i64 } %t1156, ptr %a1159
-  call void @finch_str_concat(ptr %a1157, ptr %a1158, ptr %a1159)
-  %t1160 = load { ptr, i64, i64 }, ptr %a1157
-  store { ptr, i64, i64 } %t1160, ptr %a1162
-  store { ptr, i64, i64 } { ptr @.str.5444, i64 6, i64 0 }, ptr %a1163
-  call void @finch_str_concat(ptr %a1161, ptr %a1162, ptr %a1163)
-  %t1164 = load { ptr, i64, i64 }, ptr %a1161
-  %t1165 = load ptr, ptr %a1
-  %t1166 = load %S.ast.Type, ptr %a15
-  %t1167 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1165, %S.ast.Type %t1166)
-  store { ptr, i64, i64 } %t1164, ptr %a1169
-  store { ptr, i64, i64 } %t1167, ptr %a1170
-  call void @finch_str_concat(ptr %a1168, ptr %a1169, ptr %a1170)
-  %t1171 = load { ptr, i64, i64 }, ptr %a1168
-  store { ptr, i64, i64 } %t1171, ptr %a1173
-  store { ptr, i64, i64 } { ptr @.str.5445, i64 1, i64 0 }, ptr %a1174
-  call void @finch_str_concat(ptr %a1172, ptr %a1173, ptr %a1174)
-  %t1175 = load { ptr, i64, i64 }, ptr %a1172
-  call void @finch.gen.emit(ptr %t1146, { ptr, i64, i64 } %t1175)
-  %t1176 = load ptr, ptr %a1
-  %t1177 = load { ptr, i64, i64 }, ptr %a3
-  %t1178 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1176, { ptr, i64, i64 } { ptr @.str.5446, i64 3, i64 0 }, { ptr, i64, i64 } %t1177)
-  store { ptr, i64, i64 } %t1178, ptr %a1179
-  %t1180 = load ptr, ptr %a1
-  %t1181 = load { ptr, i64, i64 }, ptr %a1145
-  %t1182 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1180, { ptr, i64, i64 } { ptr @.str.5447, i64 3, i64 0 }, { ptr, i64, i64 } %t1181)
-  store { ptr, i64, i64 } %t1182, ptr %a1183
-  %t1184 = load ptr, ptr %a1
-  %t1185 = load { ptr, i64, i64 }, ptr %a1142
-  %t1186 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t1184, { ptr, i64, i64 } %t1185)
-  store { ptr, i64, i64 } %t1186, ptr %a1187
-  %t1188 = load ptr, ptr %a1
-  %t1189 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5448, i64 23, i64 0 }, ptr %a1191
-  store { ptr, i64, i64 } %t1189, ptr %a1192
-  call void @finch_str_concat(ptr %a1190, ptr %a1191, ptr %a1192)
-  %t1193 = load { ptr, i64, i64 }, ptr %a1190
-  store { ptr, i64, i64 } %t1193, ptr %a1195
-  store { ptr, i64, i64 } { ptr @.str.5449, i64 6, i64 0 }, ptr %a1196
-  call void @finch_str_concat(ptr %a1194, ptr %a1195, ptr %a1196)
-  %t1197 = load { ptr, i64, i64 }, ptr %a1194
-  %t1198 = load { ptr, i64, i64 }, ptr %a1183
-  store { ptr, i64, i64 } %t1197, ptr %a1200
-  store { ptr, i64, i64 } %t1198, ptr %a1201
-  call void @finch_str_concat(ptr %a1199, ptr %a1200, ptr %a1201)
-  %t1202 = load { ptr, i64, i64 }, ptr %a1199
-  store { ptr, i64, i64 } %t1202, ptr %a1204
-  store { ptr, i64, i64 } { ptr @.str.5450, i64 6, i64 0 }, ptr %a1205
-  call void @finch_str_concat(ptr %a1203, ptr %a1204, ptr %a1205)
-  %t1206 = load { ptr, i64, i64 }, ptr %a1203
-  %t1207 = load { ptr, i64, i64 }, ptr %a1187
-  %t1208 = extractvalue { ptr, i64, i64 } %t1207, 1
-  %t1209 = icmp uge i64 3, %t1208
-  br i1 %t1209, label %range8092, label %inrange8093
-range8092:
-  call void @finch_panic_index(ptr @.str.5451, i64 4911, i64 3, i64 %t1208)
+  %t1124 = load { ptr, i64, i64 }, ptr %a1041
+  call void @finch.gen.store(ptr %t1121, { ptr, i64, i64 } %t1122, { ptr, i64, i64 } %t1123, { ptr, i64, i64 } %t1124)
+  %t1125 = load ptr, ptr %a1
+  %t1126 = load { ptr, i64, i64 }, ptr %a19
+  %t1127 = load { ptr, i64, i64 }, ptr %a1115
+  %t1128 = load { ptr, i64, i64 }, ptr %a1110
+  call void @finch.gen.store(ptr %t1125, { ptr, i64, i64 } %t1126, { ptr, i64, i64 } %t1127, { ptr, i64, i64 } %t1128)
+  %t1129 = load ptr, ptr %a1
+  %t1130 = load { ptr, i64, i64 }, ptr %a1005
+  call void @finch.gen.loopEnd(ptr %t1129, { ptr, i64, i64 } %t1130)
+  %t1131 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5606, i64 4, i64 0 })
+  %t1132 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1131, 1
+  call void @finch_str_drop(ptr %a1120)
+  call void @finch_str_drop(ptr %a1115)
+  call void @finch_str_drop(ptr %a1110)
+  call void @finch_str_drop(ptr %a1079)
+  call void @finch_str_drop(ptr %a1041)
+  call void @finch.drop.arr_str(ptr %a1005)
+  call void @finch_str_drop(ptr %a1001)
+  call void @finch_str_drop(ptr %a987)
+  call void @finch_str_drop(ptr %a983)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t1132
+endif8526:
+  %t1133 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t1133, ptr %a1134
+  store { ptr, i64, i64 } { ptr @.str.5607, i64 5, i64 0 }, ptr %a1135
+  %t1136 = call i32 @finch_str_eq(ptr %a1134, ptr %a1135)
+  %t1137 = icmp ne i32 %t1136, 0
+  br i1 %t1137, label %then8531, label %endif8533
+then8531:
+  %t1138 = load ptr, ptr %a1
+  %t1139 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t1138, %S.ast.Node %t1139, i64 2)
+  %t1140 = load ptr, ptr %a1
+  %t1141 = load ptr, ptr %a1
+  %t1142 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1143 = load { ptr, i64, i64 }, ptr %t1142
+  %t1144 = extractvalue { ptr, i64, i64 } %t1143, 1
+  %t1145 = icmp uge i64 1, %t1144
+  br i1 %t1145, label %range8534, label %inrange8535
+range8534:
+  call void @finch_panic_index(ptr @.str.5608, i64 5293, i64 1, i64 %t1144)
   unreachable
-inrange8093:
-  %t1210 = extractvalue { ptr, i64, i64 } %t1207, 0
-  %t1211 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1210, i64 3
-  %t1212 = load { ptr, i64, i64 }, ptr %t1211
-  store { ptr, i64, i64 } %t1206, ptr %a1214
-  store { ptr, i64, i64 } %t1212, ptr %a1215
-  call void @finch_str_concat(ptr %a1213, ptr %a1214, ptr %a1215)
-  %t1216 = load { ptr, i64, i64 }, ptr %a1213
-  %t1217 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1188, { ptr, i64, i64 } %t1216)
-  store { ptr, i64, i64 } %t1217, ptr %a1218
-  %t1219 = load ptr, ptr %a1
-  %t1220 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.5452, i64 23, i64 0 }, ptr %a1222
-  store { ptr, i64, i64 } %t1220, ptr %a1223
-  call void @finch_str_concat(ptr %a1221, ptr %a1222, ptr %a1223)
-  %t1224 = load { ptr, i64, i64 }, ptr %a1221
-  store { ptr, i64, i64 } %t1224, ptr %a1226
-  store { ptr, i64, i64 } { ptr @.str.5453, i64 6, i64 0 }, ptr %a1227
-  call void @finch_str_concat(ptr %a1225, ptr %a1226, ptr %a1227)
-  %t1228 = load { ptr, i64, i64 }, ptr %a1225
-  %t1229 = load { ptr, i64, i64 }, ptr %a1179
-  store { ptr, i64, i64 } %t1228, ptr %a1231
-  store { ptr, i64, i64 } %t1229, ptr %a1232
-  call void @finch_str_concat(ptr %a1230, ptr %a1231, ptr %a1232)
-  %t1233 = load { ptr, i64, i64 }, ptr %a1230
-  store { ptr, i64, i64 } %t1233, ptr %a1235
-  store { ptr, i64, i64 } { ptr @.str.5454, i64 6, i64 0 }, ptr %a1236
+inrange8535:
+  %t1146 = extractvalue { ptr, i64, i64 } %t1143, 0
+  %t1147 = getelementptr inbounds %S.ast.Node, ptr %t1146, i64 1
+  %t1148 = load %S.ast.Node, ptr %t1147
+  %t1149 = call %S.gen.Val @finch.gen.expr(ptr %t1141, %S.ast.Node %t1148)
+  %t1150 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5609, i64 3, i64 0 })
+  %t1151 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1152 = load { ptr, i64, i64 }, ptr %t1151
+  %t1153 = extractvalue { ptr, i64, i64 } %t1152, 1
+  %t1154 = icmp uge i64 1, %t1153
+  br i1 %t1154, label %range8536, label %inrange8537
+range8536:
+  call void @finch_panic_index(ptr @.str.5610, i64 5293, i64 1, i64 %t1153)
+  unreachable
+inrange8537:
+  %t1155 = extractvalue { ptr, i64, i64 } %t1152, 0
+  %t1156 = getelementptr inbounds %S.ast.Node, ptr %t1155, i64 1
+  %t1157 = load %S.ast.Node, ptr %t1156
+  %t1158 = call %S.gen.Val @finch.gen.coerce(ptr %t1140, %S.gen.Val %t1149, %S.ast.Type %t1150, %S.ast.Node %t1157, { ptr, i64, i64 } { ptr @.str.5611, i64 9, i64 0 })
+  store %S.gen.Val %t1149, ptr %a1159
+  call void @finch.drop.S_gen_Val(ptr %a1159)
+  store %S.ast.Type %t1150, ptr %a1160
+  call void @finch.drop.S_ast_Type(ptr %a1160)
+  %t1161 = extractvalue %S.gen.Val %t1158, 0
+  store { ptr, i64, i64 } %t1161, ptr %a1162
+  call void @finch_str_copy(ptr %a1163, ptr %a1162)
+  %t1164 = load { ptr, i64, i64 }, ptr %a1163
+  store %S.gen.Val %t1158, ptr %a1165
+  call void @finch.drop.S_gen_Val(ptr %a1165)
+  store { ptr, i64, i64 } %t1164, ptr %a1166
+  %t1167 = load ptr, ptr %a1
+  %t1168 = load ptr, ptr %a1
+  %t1169 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1170 = load { ptr, i64, i64 }, ptr %t1169
+  %t1171 = extractvalue { ptr, i64, i64 } %t1170, 1
+  %t1172 = icmp uge i64 2, %t1171
+  br i1 %t1172, label %range8538, label %inrange8539
+range8538:
+  call void @finch_panic_index(ptr @.str.5612, i64 5294, i64 2, i64 %t1171)
+  unreachable
+inrange8539:
+  %t1173 = extractvalue { ptr, i64, i64 } %t1170, 0
+  %t1174 = getelementptr inbounds %S.ast.Node, ptr %t1173, i64 2
+  %t1175 = load %S.ast.Node, ptr %t1174
+  %t1176 = call %S.gen.Val @finch.gen.expr(ptr %t1168, %S.ast.Node %t1175)
+  %t1177 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5613, i64 3, i64 0 })
+  %t1178 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t1179 = load { ptr, i64, i64 }, ptr %t1178
+  %t1180 = extractvalue { ptr, i64, i64 } %t1179, 1
+  %t1181 = icmp uge i64 2, %t1180
+  br i1 %t1181, label %range8540, label %inrange8541
+range8540:
+  call void @finch_panic_index(ptr @.str.5614, i64 5294, i64 2, i64 %t1180)
+  unreachable
+inrange8541:
+  %t1182 = extractvalue { ptr, i64, i64 } %t1179, 0
+  %t1183 = getelementptr inbounds %S.ast.Node, ptr %t1182, i64 2
+  %t1184 = load %S.ast.Node, ptr %t1183
+  %t1185 = call %S.gen.Val @finch.gen.coerce(ptr %t1167, %S.gen.Val %t1176, %S.ast.Type %t1177, %S.ast.Node %t1184, { ptr, i64, i64 } { ptr @.str.5615, i64 7, i64 0 })
+  store %S.gen.Val %t1176, ptr %a1186
+  call void @finch.drop.S_gen_Val(ptr %a1186)
+  store %S.ast.Type %t1177, ptr %a1187
+  call void @finch.drop.S_ast_Type(ptr %a1187)
+  %t1188 = extractvalue %S.gen.Val %t1185, 0
+  store { ptr, i64, i64 } %t1188, ptr %a1189
+  call void @finch_str_copy(ptr %a1190, ptr %a1189)
+  %t1191 = load { ptr, i64, i64 }, ptr %a1190
+  store %S.gen.Val %t1185, ptr %a1192
+  call void @finch.drop.S_gen_Val(ptr %a1192)
+  store { ptr, i64, i64 } %t1191, ptr %a1193
+  %t1194 = load ptr, ptr %a1
+  %t1195 = load { ptr, i64, i64 }, ptr %a39
+  %t1196 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1194, { ptr, i64, i64 } { ptr @.str.5616, i64 3, i64 0 }, { ptr, i64, i64 } %t1195)
+  store { ptr, i64, i64 } %t1196, ptr %a1197
+  %t1198 = load ptr, ptr %a1
+  %t1199 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } { ptr @.str.5617, i64 13, i64 0 }, ptr %a1201
+  store { ptr, i64, i64 } %t1199, ptr %a1202
+  call void @finch_str_concat(ptr %a1200, ptr %a1201, ptr %a1202)
+  %t1203 = load { ptr, i64, i64 }, ptr %a1200
+  store { ptr, i64, i64 } %t1203, ptr %a1205
+  store { ptr, i64, i64 } { ptr @.str.5618, i64 3, i64 0 }, ptr %a1206
+  call void @finch_str_concat(ptr %a1204, ptr %a1205, ptr %a1206)
+  store { ptr, i64, i64 } %t1203, ptr %a1207
+  call void @finch_str_drop(ptr %a1207)
+  %t1208 = load { ptr, i64, i64 }, ptr %a1204
+  %t1209 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1198, { ptr, i64, i64 } %t1208)
+  store { ptr, i64, i64 } %t1208, ptr %a1210
+  call void @finch_str_drop(ptr %a1210)
+  store { ptr, i64, i64 } %t1209, ptr %a1211
+  %t1212 = load ptr, ptr %a1
+  %t1213 = load { ptr, i64, i64 }, ptr %a1193
+  store { ptr, i64, i64 } { ptr @.str.5619, i64 13, i64 0 }, ptr %a1215
+  store { ptr, i64, i64 } %t1213, ptr %a1216
+  call void @finch_str_concat(ptr %a1214, ptr %a1215, ptr %a1216)
+  %t1217 = load { ptr, i64, i64 }, ptr %a1214
+  store { ptr, i64, i64 } %t1217, ptr %a1219
+  store { ptr, i64, i64 } { ptr @.str.5620, i64 2, i64 0 }, ptr %a1220
+  call void @finch_str_concat(ptr %a1218, ptr %a1219, ptr %a1220)
+  store { ptr, i64, i64 } %t1217, ptr %a1221
+  call void @finch_str_drop(ptr %a1221)
+  %t1222 = load { ptr, i64, i64 }, ptr %a1218
+  %t1223 = load { ptr, i64, i64 }, ptr %a1197
+  store { ptr, i64, i64 } %t1222, ptr %a1225
+  store { ptr, i64, i64 } %t1223, ptr %a1226
+  call void @finch_str_concat(ptr %a1224, ptr %a1225, ptr %a1226)
+  store { ptr, i64, i64 } %t1222, ptr %a1227
+  call void @finch_str_drop(ptr %a1227)
+  %t1228 = load { ptr, i64, i64 }, ptr %a1224
+  %t1229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1212, { ptr, i64, i64 } %t1228)
+  store { ptr, i64, i64 } %t1228, ptr %a1230
+  call void @finch_str_drop(ptr %a1230)
+  store { ptr, i64, i64 } %t1229, ptr %a1231
+  %t1232 = load ptr, ptr %a1
+  %t1233 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } { ptr @.str.5621, i64 13, i64 0 }, ptr %a1235
+  store { ptr, i64, i64 } %t1233, ptr %a1236
   call void @finch_str_concat(ptr %a1234, ptr %a1235, ptr %a1236)
   %t1237 = load { ptr, i64, i64 }, ptr %a1234
-  %t1238 = load ptr, ptr %a1
-  %t1239 = load { ptr, i64, i64 }, ptr %a1018
-  store { ptr, i64, i64 } { ptr @.str.5455, i64 8, i64 0 }, ptr %a1241
-  store { ptr, i64, i64 } %t1239, ptr %a1242
-  call void @finch_str_concat(ptr %a1240, ptr %a1241, ptr %a1242)
-  %t1243 = load { ptr, i64, i64 }, ptr %a1240
-  store { ptr, i64, i64 } %t1243, ptr %a1245
-  store { ptr, i64, i64 } { ptr @.str.5456, i64 2, i64 0 }, ptr %a1246
+  store { ptr, i64, i64 } %t1237, ptr %a1239
+  store { ptr, i64, i64 } { ptr @.str.5622, i64 2, i64 0 }, ptr %a1240
+  call void @finch_str_concat(ptr %a1238, ptr %a1239, ptr %a1240)
+  store { ptr, i64, i64 } %t1237, ptr %a1241
+  call void @finch_str_drop(ptr %a1241)
+  %t1242 = load { ptr, i64, i64 }, ptr %a1238
+  %t1243 = load { ptr, i64, i64 }, ptr %a1193
+  store { ptr, i64, i64 } %t1242, ptr %a1245
+  store { ptr, i64, i64 } %t1243, ptr %a1246
   call void @finch_str_concat(ptr %a1244, ptr %a1245, ptr %a1246)
-  %t1247 = load { ptr, i64, i64 }, ptr %a1244
-  %t1248 = load { ptr, i64, i64 }, ptr %a1187
-  %t1249 = extractvalue { ptr, i64, i64 } %t1248, 1
-  %t1250 = icmp uge i64 3, %t1249
-  br i1 %t1250, label %range8094, label %inrange8095
-range8094:
-  call void @finch_panic_index(ptr @.str.5457, i64 4912, i64 3, i64 %t1249)
-  unreachable
-inrange8095:
-  %t1251 = extractvalue { ptr, i64, i64 } %t1248, 0
-  %t1252 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1251, i64 3
-  %t1253 = load { ptr, i64, i64 }, ptr %t1252
-  store { ptr, i64, i64 } %t1247, ptr %a1255
-  store { ptr, i64, i64 } %t1253, ptr %a1256
-  call void @finch_str_concat(ptr %a1254, ptr %a1255, ptr %a1256)
-  %t1257 = load { ptr, i64, i64 }, ptr %a1254
-  %t1258 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1238, { ptr, i64, i64 } %t1257)
-  store { ptr, i64, i64 } %t1237, ptr %a1260
-  store { ptr, i64, i64 } %t1258, ptr %a1261
-  call void @finch_str_concat(ptr %a1259, ptr %a1260, ptr %a1261)
-  %t1262 = load { ptr, i64, i64 }, ptr %a1259
-  %t1263 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1219, { ptr, i64, i64 } %t1262)
-  store { ptr, i64, i64 } %t1263, ptr %a1264
-  %t1265 = load ptr, ptr %a1
-  %t1266 = load { ptr, i64, i64 }, ptr %a1218
-  %t1267 = load { ptr, i64, i64 }, ptr %a1264
-  %t1268 = load %S.ast.Type, ptr %a15
-  call void @finch.gen.copyAt(ptr %t1265, { ptr, i64, i64 } %t1266, { ptr, i64, i64 } %t1267, %S.ast.Type %t1268)
-  %t1269 = load ptr, ptr %a1
-  %t1270 = load { ptr, i64, i64 }, ptr %a1187
-  call void @finch.gen.loopEnd(ptr %t1269, { ptr, i64, i64 } %t1270)
-  %t1271 = load ptr, ptr %a1
-  %t1272 = load { ptr, i64, i64 }, ptr %a1145
-  %t1273 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1271, { ptr, i64, i64 } { ptr @.str.5458, i64 17, i64 0 }, { ptr, i64, i64 } %t1272)
-  %t1274 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1273, 0
-  %t1275 = load %S.ast.Type, ptr %a4
-  store %S.ast.Type %t1275, ptr %a1276
-  call void @finch.copy.S_ast_Type(ptr %a1277, ptr %a1276)
-  %t1278 = load %S.ast.Type, ptr %a1277
-  %t1279 = insertvalue %S.gen.Val %t1274, %S.ast.Type %t1278, 1
-  %t1280 = insertvalue %S.gen.Val %t1279, i1 true, 2
-  ret %S.gen.Val %t1280
-endif8083:
-  %t1281 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t1281, ptr %a1282
-  store { ptr, i64, i64 } { ptr @.str.5459, i64 4, i64 0 }, ptr %a1283
-  %t1284 = call i32 @finch_str_eq(ptr %a1282, ptr %a1283)
-  %t1285 = icmp ne i32 %t1284, 0
-  br i1 %t1285, label %then8096, label %endif8098
-then8096:
-  %t1286 = load ptr, ptr %a1
-  %t1287 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t1286, %S.ast.Node %t1287, i64 0)
-  %t1288 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
-  %t1289 = load { ptr, i64, i64 }, ptr %t1288
-  store { ptr, i64, i64 } %t1289, ptr %a1290
-  call void @finch_str_copy(ptr %a1291, ptr %a1290)
-  %t1292 = load { ptr, i64, i64 }, ptr %a1291
-  store { ptr, i64, i64 } %t1292, ptr %a1293
-  %t1294 = load %S.ast.Type, ptr %a15
-  %t1295 = call i1 @finch.gen.isNumber(%S.ast.Type %t1294)
-  %t1296 = xor i1 %t1295, true
-  br label %logic.from8099
-logic.from8099:
-  br i1 %t1296, label %logic.rhs8100, label %logic.end8101
-logic.rhs8100:
-  %t1297 = load { ptr, i64, i64 }, ptr %a1293
-  store { ptr, i64, i64 } %t1297, ptr %a1298
-  store { ptr, i64, i64 } { ptr @.str.5460, i64 4, i64 0 }, ptr %a1299
-  %t1300 = call i32 @finch_str_eq(ptr %a1298, ptr %a1299)
-  %t1301 = icmp eq i32 %t1300, 0
-  br label %logic.rend8102
-logic.rend8102:
-  br label %logic.end8101
-logic.end8101:
-  %t1302 = phi i1 [ false, %logic.from8099 ], [ %t1301, %logic.rend8102 ]
-  br label %logic.from8103
-logic.from8103:
-  br i1 %t1302, label %logic.rhs8104, label %logic.end8105
-logic.rhs8104:
-  %t1303 = load { ptr, i64, i64 }, ptr %a1293
-  store { ptr, i64, i64 } %t1303, ptr %a1304
-  store { ptr, i64, i64 } { ptr @.str.5461, i64 3, i64 0 }, ptr %a1305
-  %t1306 = call i32 @finch_str_eq(ptr %a1304, ptr %a1305)
-  %t1307 = icmp eq i32 %t1306, 0
-  br label %logic.rend8106
-logic.rend8106:
-  br label %logic.end8105
-logic.end8105:
-  %t1308 = phi i1 [ false, %logic.from8103 ], [ %t1307, %logic.rend8106 ]
-  br i1 %t1308, label %then8107, label %endif8109
-then8107:
-  %t1309 = load ptr, ptr %a1
-  %t1310 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.fail(ptr %t1309, %S.ast.Node %t1310, { ptr, i64, i64 } { ptr @.str.5462, i64 47, i64 0 })
-  br label %endif8109
-endif8109:
-  %t1311 = load ptr, ptr %a1
-  %t1312 = load %S.ast.Type, ptr %a15
-  %t1313 = call { ptr, i64, i64 } @finch.gen.cmpFn(ptr %t1311, %S.ast.Type %t1312)
-  store { ptr, i64, i64 } %t1313, ptr %a1314
-  %t1315 = load ptr, ptr %a1
-  %t1316 = load { ptr, i64, i64 }, ptr %a37
-  %t1317 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1315, { ptr, i64, i64 } { ptr @.str.5463, i64 3, i64 0 }, { ptr, i64, i64 } %t1316)
-  store { ptr, i64, i64 } %t1317, ptr %a1318
-  %t1319 = load ptr, ptr %a1
-  %t1320 = load { ptr, i64, i64 }, ptr %a3
-  %t1321 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1319, { ptr, i64, i64 } { ptr @.str.5464, i64 3, i64 0 }, { ptr, i64, i64 } %t1320)
-  store { ptr, i64, i64 } %t1321, ptr %a1322
-  %t1323 = load ptr, ptr %a1
-  %t1324 = load { ptr, i64, i64 }, ptr %a1322
-  store { ptr, i64, i64 } { ptr @.str.5465, i64 21, i64 0 }, ptr %a1326
-  store { ptr, i64, i64 } %t1324, ptr %a1327
-  call void @finch_str_concat(ptr %a1325, ptr %a1326, ptr %a1327)
-  %t1328 = load { ptr, i64, i64 }, ptr %a1325
-  store { ptr, i64, i64 } %t1328, ptr %a1330
-  store { ptr, i64, i64 } { ptr @.str.5466, i64 6, i64 0 }, ptr %a1331
-  call void @finch_str_concat(ptr %a1329, ptr %a1330, ptr %a1331)
-  %t1332 = load { ptr, i64, i64 }, ptr %a1329
-  %t1333 = load { ptr, i64, i64 }, ptr %a1318
-  store { ptr, i64, i64 } %t1332, ptr %a1335
-  store { ptr, i64, i64 } %t1333, ptr %a1336
-  call void @finch_str_concat(ptr %a1334, ptr %a1335, ptr %a1336)
-  %t1337 = load { ptr, i64, i64 }, ptr %a1334
-  store { ptr, i64, i64 } %t1337, ptr %a1339
-  store { ptr, i64, i64 } { ptr @.str.5467, i64 6, i64 0 }, ptr %a1340
-  call void @finch_str_concat(ptr %a1338, ptr %a1339, ptr %a1340)
-  %t1341 = load { ptr, i64, i64 }, ptr %a1338
-  %t1342 = load ptr, ptr %a1
-  %t1343 = load %S.ast.Type, ptr %a15
-  %t1344 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1342, %S.ast.Type %t1343)
-  store { ptr, i64, i64 } %t1341, ptr %a1346
-  store { ptr, i64, i64 } %t1344, ptr %a1347
-  call void @finch_str_concat(ptr %a1345, ptr %a1346, ptr %a1347)
-  %t1348 = load { ptr, i64, i64 }, ptr %a1345
-  store { ptr, i64, i64 } %t1348, ptr %a1350
-  store { ptr, i64, i64 } { ptr @.str.5468, i64 6, i64 0 }, ptr %a1351
-  call void @finch_str_concat(ptr %a1349, ptr %a1350, ptr %a1351)
-  %t1352 = load { ptr, i64, i64 }, ptr %a1349
-  %t1353 = load { ptr, i64, i64 }, ptr %a1314
-  store { ptr, i64, i64 } %t1352, ptr %a1355
-  store { ptr, i64, i64 } %t1353, ptr %a1356
-  call void @finch_str_concat(ptr %a1354, ptr %a1355, ptr %a1356)
-  %t1357 = load { ptr, i64, i64 }, ptr %a1354
-  store { ptr, i64, i64 } %t1357, ptr %a1359
-  store { ptr, i64, i64 } { ptr @.str.5469, i64 1, i64 0 }, ptr %a1360
-  call void @finch_str_concat(ptr %a1358, ptr %a1359, ptr %a1360)
-  %t1361 = load { ptr, i64, i64 }, ptr %a1358
-  call void @finch.gen.emit(ptr %t1323, { ptr, i64, i64 } %t1361)
-  %t1362 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5470, i64 4, i64 0 })
-  %t1363 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1362, 1
-  ret %S.gen.Val %t1363
-endif8098:
-  %t1364 = load ptr, ptr %a1
-  %t1365 = load %S.ast.Node, ptr %a2
-  %t1366 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } { ptr @.str.5471, i64 24, i64 0 }, ptr %a1368
+  store { ptr, i64, i64 } %t1242, ptr %a1247
+  call void @finch_str_drop(ptr %a1247)
+  %t1248 = load { ptr, i64, i64 }, ptr %a1244
+  %t1249 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1232, { ptr, i64, i64 } %t1248)
+  store { ptr, i64, i64 } %t1248, ptr %a1250
+  call void @finch_str_drop(ptr %a1250)
+  store { ptr, i64, i64 } %t1249, ptr %a1251
+  %t1252 = load ptr, ptr %a1
+  %t1253 = load ptr, ptr %a1
+  %t1254 = load ptr, ptr %a1
+  %t1255 = load { ptr, i64, i64 }, ptr %a1211
+  store { ptr, i64, i64 } { ptr @.str.5624, i64 6, i64 0 }, ptr %a1257
+  store { ptr, i64, i64 } %t1255, ptr %a1258
+  call void @finch_str_concat(ptr %a1256, ptr %a1257, ptr %a1258)
+  %t1259 = load { ptr, i64, i64 }, ptr %a1256
+  store { ptr, i64, i64 } %t1259, ptr %a1261
+  store { ptr, i64, i64 } { ptr @.str.5625, i64 2, i64 0 }, ptr %a1262
+  call void @finch_str_concat(ptr %a1260, ptr %a1261, ptr %a1262)
+  store { ptr, i64, i64 } %t1259, ptr %a1263
+  call void @finch_str_drop(ptr %a1263)
+  %t1264 = load { ptr, i64, i64 }, ptr %a1260
+  %t1265 = load { ptr, i64, i64 }, ptr %a1231
+  store { ptr, i64, i64 } %t1264, ptr %a1267
+  store { ptr, i64, i64 } %t1265, ptr %a1268
+  call void @finch_str_concat(ptr %a1266, ptr %a1267, ptr %a1268)
+  store { ptr, i64, i64 } %t1264, ptr %a1269
+  call void @finch_str_drop(ptr %a1269)
+  %t1270 = load { ptr, i64, i64 }, ptr %a1266
+  %t1271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1254, { ptr, i64, i64 } %t1270)
+  store { ptr, i64, i64 } %t1270, ptr %a1272
+  call void @finch_str_drop(ptr %a1272)
+  store { ptr, i64, i64 } { ptr @.str.5623, i64 6, i64 0 }, ptr %a1274
+  store { ptr, i64, i64 } %t1271, ptr %a1275
+  call void @finch_str_concat(ptr %a1273, ptr %a1274, ptr %a1275)
+  store { ptr, i64, i64 } %t1271, ptr %a1276
+  call void @finch_str_drop(ptr %a1276)
+  %t1277 = load { ptr, i64, i64 }, ptr %a1273
+  store { ptr, i64, i64 } %t1277, ptr %a1279
+  store { ptr, i64, i64 } { ptr @.str.5626, i64 2, i64 0 }, ptr %a1280
+  call void @finch_str_concat(ptr %a1278, ptr %a1279, ptr %a1280)
+  store { ptr, i64, i64 } %t1277, ptr %a1281
+  call void @finch_str_drop(ptr %a1281)
+  %t1282 = load { ptr, i64, i64 }, ptr %a1278
+  %t1283 = load { ptr, i64, i64 }, ptr %a1251
+  store { ptr, i64, i64 } %t1282, ptr %a1285
+  store { ptr, i64, i64 } %t1283, ptr %a1286
+  call void @finch_str_concat(ptr %a1284, ptr %a1285, ptr %a1286)
+  store { ptr, i64, i64 } %t1282, ptr %a1287
+  call void @finch_str_drop(ptr %a1287)
+  %t1288 = load { ptr, i64, i64 }, ptr %a1284
+  %t1289 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1253, { ptr, i64, i64 } %t1288)
+  store { ptr, i64, i64 } %t1288, ptr %a1290
+  call void @finch_str_drop(ptr %a1290)
+  %t1291 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.panicIf(ptr %t1252, { ptr, i64, i64 } %t1289, { ptr, i64, i64 } { ptr @.str.5627, i64 33, i64 0 }, %S.ast.Node %t1291)
+  store { ptr, i64, i64 } %t1289, ptr %a1292
+  call void @finch_str_drop(ptr %a1292)
+  %t1293 = load ptr, ptr %a1
+  %t1294 = load { ptr, i64, i64 }, ptr %a1193
+  store { ptr, i64, i64 } { ptr @.str.5628, i64 8, i64 0 }, ptr %a1296
+  store { ptr, i64, i64 } %t1294, ptr %a1297
+  call void @finch_str_concat(ptr %a1295, ptr %a1296, ptr %a1297)
+  %t1298 = load { ptr, i64, i64 }, ptr %a1295
+  store { ptr, i64, i64 } %t1298, ptr %a1300
+  store { ptr, i64, i64 } { ptr @.str.5629, i64 2, i64 0 }, ptr %a1301
+  call void @finch_str_concat(ptr %a1299, ptr %a1300, ptr %a1301)
+  store { ptr, i64, i64 } %t1298, ptr %a1302
+  call void @finch_str_drop(ptr %a1302)
+  %t1303 = load { ptr, i64, i64 }, ptr %a1299
+  %t1304 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } %t1303, ptr %a1306
+  store { ptr, i64, i64 } %t1304, ptr %a1307
+  call void @finch_str_concat(ptr %a1305, ptr %a1306, ptr %a1307)
+  store { ptr, i64, i64 } %t1303, ptr %a1308
+  call void @finch_str_drop(ptr %a1308)
+  %t1309 = load { ptr, i64, i64 }, ptr %a1305
+  %t1310 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1293, { ptr, i64, i64 } %t1309)
+  store { ptr, i64, i64 } %t1309, ptr %a1311
+  call void @finch_str_drop(ptr %a1311)
+  store { ptr, i64, i64 } %t1310, ptr %a1312
+  %t1313 = load ptr, ptr %a1
+  %t1314 = call { ptr, i64, i64 } @finch.gen.alloca(ptr %t1313, { ptr, i64, i64 } { ptr @.str.5630, i64 17, i64 0 })
+  store { ptr, i64, i64 } %t1314, ptr %a1315
+  %t1316 = load ptr, ptr %a1
+  %t1317 = load { ptr, i64, i64 }, ptr %a1315
+  store { ptr, i64, i64 } { ptr @.str.5631, i64 30, i64 0 }, ptr %a1319
+  store { ptr, i64, i64 } %t1317, ptr %a1320
+  call void @finch_str_concat(ptr %a1318, ptr %a1319, ptr %a1320)
+  %t1321 = load { ptr, i64, i64 }, ptr %a1318
+  store { ptr, i64, i64 } %t1321, ptr %a1323
+  store { ptr, i64, i64 } { ptr @.str.5632, i64 6, i64 0 }, ptr %a1324
+  call void @finch_str_concat(ptr %a1322, ptr %a1323, ptr %a1324)
+  store { ptr, i64, i64 } %t1321, ptr %a1325
+  call void @finch_str_drop(ptr %a1325)
+  %t1326 = load { ptr, i64, i64 }, ptr %a1322
+  %t1327 = load { ptr, i64, i64 }, ptr %a1312
+  store { ptr, i64, i64 } %t1326, ptr %a1329
+  store { ptr, i64, i64 } %t1327, ptr %a1330
+  call void @finch_str_concat(ptr %a1328, ptr %a1329, ptr %a1330)
+  store { ptr, i64, i64 } %t1326, ptr %a1331
+  call void @finch_str_drop(ptr %a1331)
+  %t1332 = load { ptr, i64, i64 }, ptr %a1328
+  store { ptr, i64, i64 } %t1332, ptr %a1334
+  store { ptr, i64, i64 } { ptr @.str.5633, i64 6, i64 0 }, ptr %a1335
+  call void @finch_str_concat(ptr %a1333, ptr %a1334, ptr %a1335)
+  store { ptr, i64, i64 } %t1332, ptr %a1336
+  call void @finch_str_drop(ptr %a1336)
+  %t1337 = load { ptr, i64, i64 }, ptr %a1333
+  %t1338 = load ptr, ptr %a1
+  %t1339 = load %S.ast.Type, ptr %a15
+  %t1340 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1338, %S.ast.Type %t1339)
+  store { ptr, i64, i64 } %t1337, ptr %a1342
+  store { ptr, i64, i64 } %t1340, ptr %a1343
+  call void @finch_str_concat(ptr %a1341, ptr %a1342, ptr %a1343)
+  store { ptr, i64, i64 } %t1337, ptr %a1344
+  call void @finch_str_drop(ptr %a1344)
+  store { ptr, i64, i64 } %t1340, ptr %a1345
+  call void @finch_str_drop(ptr %a1345)
+  %t1346 = load { ptr, i64, i64 }, ptr %a1341
+  store { ptr, i64, i64 } %t1346, ptr %a1348
+  store { ptr, i64, i64 } { ptr @.str.5634, i64 1, i64 0 }, ptr %a1349
+  call void @finch_str_concat(ptr %a1347, ptr %a1348, ptr %a1349)
+  store { ptr, i64, i64 } %t1346, ptr %a1350
+  call void @finch_str_drop(ptr %a1350)
+  %t1351 = load { ptr, i64, i64 }, ptr %a1347
+  call void @finch.gen.emit(ptr %t1316, { ptr, i64, i64 } %t1351)
+  store { ptr, i64, i64 } %t1351, ptr %a1352
+  call void @finch_str_drop(ptr %a1352)
+  %t1353 = load ptr, ptr %a1
+  %t1354 = load { ptr, i64, i64 }, ptr %a3
+  %t1355 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1353, { ptr, i64, i64 } { ptr @.str.5635, i64 3, i64 0 }, { ptr, i64, i64 } %t1354)
+  store { ptr, i64, i64 } %t1355, ptr %a1356
+  %t1357 = load ptr, ptr %a1
+  %t1358 = load { ptr, i64, i64 }, ptr %a1315
+  %t1359 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1357, { ptr, i64, i64 } { ptr @.str.5636, i64 3, i64 0 }, { ptr, i64, i64 } %t1358)
+  store { ptr, i64, i64 } %t1359, ptr %a1360
+  %t1361 = load ptr, ptr %a1
+  %t1362 = load { ptr, i64, i64 }, ptr %a1312
+  %t1363 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t1361, { ptr, i64, i64 } %t1362)
+  store { ptr, i64, i64 } %t1363, ptr %a1364
+  %t1365 = load ptr, ptr %a1
+  %t1366 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5637, i64 23, i64 0 }, ptr %a1368
   store { ptr, i64, i64 } %t1366, ptr %a1369
   call void @finch_str_concat(ptr %a1367, ptr %a1368, ptr %a1369)
   %t1370 = load { ptr, i64, i64 }, ptr %a1367
   store { ptr, i64, i64 } %t1370, ptr %a1372
-  store { ptr, i64, i64 } { ptr @.str.5472, i64 96, i64 0 }, ptr %a1373
+  store { ptr, i64, i64 } { ptr @.str.5638, i64 6, i64 0 }, ptr %a1373
   call void @finch_str_concat(ptr %a1371, ptr %a1372, ptr %a1373)
-  %t1374 = load { ptr, i64, i64 }, ptr %a1371
-  call void @finch.gen.fail(ptr %t1364, %S.ast.Node %t1365, { ptr, i64, i64 } %t1374)
+  store { ptr, i64, i64 } %t1370, ptr %a1374
+  call void @finch_str_drop(ptr %a1374)
+  %t1375 = load { ptr, i64, i64 }, ptr %a1371
+  %t1376 = load { ptr, i64, i64 }, ptr %a1360
+  store { ptr, i64, i64 } %t1375, ptr %a1378
+  store { ptr, i64, i64 } %t1376, ptr %a1379
+  call void @finch_str_concat(ptr %a1377, ptr %a1378, ptr %a1379)
+  store { ptr, i64, i64 } %t1375, ptr %a1380
+  call void @finch_str_drop(ptr %a1380)
+  %t1381 = load { ptr, i64, i64 }, ptr %a1377
+  store { ptr, i64, i64 } %t1381, ptr %a1383
+  store { ptr, i64, i64 } { ptr @.str.5639, i64 6, i64 0 }, ptr %a1384
+  call void @finch_str_concat(ptr %a1382, ptr %a1383, ptr %a1384)
+  store { ptr, i64, i64 } %t1381, ptr %a1385
+  call void @finch_str_drop(ptr %a1385)
+  %t1386 = load { ptr, i64, i64 }, ptr %a1382
+  %t1387 = load { ptr, i64, i64 }, ptr %a1364
+  %t1388 = extractvalue { ptr, i64, i64 } %t1387, 1
+  %t1389 = icmp uge i64 3, %t1388
+  br i1 %t1389, label %range8542, label %inrange8543
+range8542:
+  call void @finch_panic_index(ptr @.str.5640, i64 5306, i64 3, i64 %t1388)
+  unreachable
+inrange8543:
+  %t1390 = extractvalue { ptr, i64, i64 } %t1387, 0
+  %t1391 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1390, i64 3
+  %t1392 = load { ptr, i64, i64 }, ptr %t1391
+  store { ptr, i64, i64 } %t1386, ptr %a1394
+  store { ptr, i64, i64 } %t1392, ptr %a1395
+  call void @finch_str_concat(ptr %a1393, ptr %a1394, ptr %a1395)
+  store { ptr, i64, i64 } %t1386, ptr %a1396
+  call void @finch_str_drop(ptr %a1396)
+  %t1397 = load { ptr, i64, i64 }, ptr %a1393
+  %t1398 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1365, { ptr, i64, i64 } %t1397)
+  store { ptr, i64, i64 } %t1397, ptr %a1399
+  call void @finch_str_drop(ptr %a1399)
+  store { ptr, i64, i64 } %t1398, ptr %a1400
+  %t1401 = load ptr, ptr %a1
+  %t1402 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.5641, i64 23, i64 0 }, ptr %a1404
+  store { ptr, i64, i64 } %t1402, ptr %a1405
+  call void @finch_str_concat(ptr %a1403, ptr %a1404, ptr %a1405)
+  %t1406 = load { ptr, i64, i64 }, ptr %a1403
+  store { ptr, i64, i64 } %t1406, ptr %a1408
+  store { ptr, i64, i64 } { ptr @.str.5642, i64 6, i64 0 }, ptr %a1409
+  call void @finch_str_concat(ptr %a1407, ptr %a1408, ptr %a1409)
+  store { ptr, i64, i64 } %t1406, ptr %a1410
+  call void @finch_str_drop(ptr %a1410)
+  %t1411 = load { ptr, i64, i64 }, ptr %a1407
+  %t1412 = load { ptr, i64, i64 }, ptr %a1356
+  store { ptr, i64, i64 } %t1411, ptr %a1414
+  store { ptr, i64, i64 } %t1412, ptr %a1415
+  call void @finch_str_concat(ptr %a1413, ptr %a1414, ptr %a1415)
+  store { ptr, i64, i64 } %t1411, ptr %a1416
+  call void @finch_str_drop(ptr %a1416)
+  %t1417 = load { ptr, i64, i64 }, ptr %a1413
+  store { ptr, i64, i64 } %t1417, ptr %a1419
+  store { ptr, i64, i64 } { ptr @.str.5643, i64 6, i64 0 }, ptr %a1420
+  call void @finch_str_concat(ptr %a1418, ptr %a1419, ptr %a1420)
+  store { ptr, i64, i64 } %t1417, ptr %a1421
+  call void @finch_str_drop(ptr %a1421)
+  %t1422 = load { ptr, i64, i64 }, ptr %a1418
+  %t1423 = load ptr, ptr %a1
+  %t1424 = load { ptr, i64, i64 }, ptr %a1166
+  store { ptr, i64, i64 } { ptr @.str.5644, i64 8, i64 0 }, ptr %a1426
+  store { ptr, i64, i64 } %t1424, ptr %a1427
+  call void @finch_str_concat(ptr %a1425, ptr %a1426, ptr %a1427)
+  %t1428 = load { ptr, i64, i64 }, ptr %a1425
+  store { ptr, i64, i64 } %t1428, ptr %a1430
+  store { ptr, i64, i64 } { ptr @.str.5645, i64 2, i64 0 }, ptr %a1431
+  call void @finch_str_concat(ptr %a1429, ptr %a1430, ptr %a1431)
+  store { ptr, i64, i64 } %t1428, ptr %a1432
+  call void @finch_str_drop(ptr %a1432)
+  %t1433 = load { ptr, i64, i64 }, ptr %a1429
+  %t1434 = load { ptr, i64, i64 }, ptr %a1364
+  %t1435 = extractvalue { ptr, i64, i64 } %t1434, 1
+  %t1436 = icmp uge i64 3, %t1435
+  br i1 %t1436, label %range8544, label %inrange8545
+range8544:
+  call void @finch_panic_index(ptr @.str.5646, i64 5307, i64 3, i64 %t1435)
+  unreachable
+inrange8545:
+  %t1437 = extractvalue { ptr, i64, i64 } %t1434, 0
+  %t1438 = getelementptr inbounds { ptr, i64, i64 }, ptr %t1437, i64 3
+  %t1439 = load { ptr, i64, i64 }, ptr %t1438
+  store { ptr, i64, i64 } %t1433, ptr %a1441
+  store { ptr, i64, i64 } %t1439, ptr %a1442
+  call void @finch_str_concat(ptr %a1440, ptr %a1441, ptr %a1442)
+  store { ptr, i64, i64 } %t1433, ptr %a1443
+  call void @finch_str_drop(ptr %a1443)
+  %t1444 = load { ptr, i64, i64 }, ptr %a1440
+  %t1445 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1423, { ptr, i64, i64 } %t1444)
+  store { ptr, i64, i64 } %t1444, ptr %a1446
+  call void @finch_str_drop(ptr %a1446)
+  store { ptr, i64, i64 } %t1422, ptr %a1448
+  store { ptr, i64, i64 } %t1445, ptr %a1449
+  call void @finch_str_concat(ptr %a1447, ptr %a1448, ptr %a1449)
+  store { ptr, i64, i64 } %t1422, ptr %a1450
+  call void @finch_str_drop(ptr %a1450)
+  store { ptr, i64, i64 } %t1445, ptr %a1451
+  call void @finch_str_drop(ptr %a1451)
+  %t1452 = load { ptr, i64, i64 }, ptr %a1447
+  %t1453 = call { ptr, i64, i64 } @finch.gen.op(ptr %t1401, { ptr, i64, i64 } %t1452)
+  store { ptr, i64, i64 } %t1452, ptr %a1454
+  call void @finch_str_drop(ptr %a1454)
+  store { ptr, i64, i64 } %t1453, ptr %a1455
+  %t1456 = load ptr, ptr %a1
+  %t1457 = load { ptr, i64, i64 }, ptr %a1400
+  %t1458 = load { ptr, i64, i64 }, ptr %a1455
+  %t1459 = load %S.ast.Type, ptr %a15
+  call void @finch.gen.copyAt(ptr %t1456, { ptr, i64, i64 } %t1457, { ptr, i64, i64 } %t1458, %S.ast.Type %t1459)
+  %t1460 = load ptr, ptr %a1
+  %t1461 = load { ptr, i64, i64 }, ptr %a1364
+  call void @finch.gen.loopEnd(ptr %t1460, { ptr, i64, i64 } %t1461)
+  %t1462 = load ptr, ptr %a1
+  %t1463 = load { ptr, i64, i64 }, ptr %a1315
+  %t1464 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1462, { ptr, i64, i64 } { ptr @.str.5647, i64 17, i64 0 }, { ptr, i64, i64 } %t1463)
+  %t1465 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t1464, 0
+  %t1466 = load %S.ast.Type, ptr %a4
+  store %S.ast.Type %t1466, ptr %a1467
+  call void @finch.copy.S_ast_Type(ptr %a1468, ptr %a1467)
+  %t1469 = load %S.ast.Type, ptr %a1468
+  %t1470 = insertvalue %S.gen.Val %t1465, %S.ast.Type %t1469, 1
+  %t1471 = insertvalue %S.gen.Val %t1470, i1 true, 2
+  call void @finch_str_drop(ptr %a1455)
+  call void @finch_str_drop(ptr %a1400)
+  call void @finch.drop.arr_str(ptr %a1364)
+  call void @finch_str_drop(ptr %a1360)
+  call void @finch_str_drop(ptr %a1356)
+  call void @finch_str_drop(ptr %a1315)
+  call void @finch_str_drop(ptr %a1312)
+  call void @finch_str_drop(ptr %a1251)
+  call void @finch_str_drop(ptr %a1231)
+  call void @finch_str_drop(ptr %a1211)
+  call void @finch_str_drop(ptr %a1197)
+  call void @finch_str_drop(ptr %a1193)
+  call void @finch_str_drop(ptr %a1166)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t1471
+endif8533:
+  %t1472 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t1472, ptr %a1473
+  store { ptr, i64, i64 } { ptr @.str.5648, i64 4, i64 0 }, ptr %a1474
+  %t1475 = call i32 @finch_str_eq(ptr %a1473, ptr %a1474)
+  %t1476 = icmp ne i32 %t1475, 0
+  br i1 %t1476, label %then8546, label %endif8548
+then8546:
+  %t1477 = load ptr, ptr %a1
+  %t1478 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t1477, %S.ast.Node %t1478, i64 0)
+  %t1479 = getelementptr inbounds %S.ast.Type, ptr %a15, i32 0, i32 0
+  %t1480 = load { ptr, i64, i64 }, ptr %t1479
+  store { ptr, i64, i64 } %t1480, ptr %a1481
+  call void @finch_str_copy(ptr %a1482, ptr %a1481)
+  %t1483 = load { ptr, i64, i64 }, ptr %a1482
+  store { ptr, i64, i64 } %t1483, ptr %a1484
+  %t1485 = load %S.ast.Type, ptr %a15
+  %t1486 = call i1 @finch.gen.isNumber(%S.ast.Type %t1485)
+  %t1487 = xor i1 %t1486, true
+  br label %logic.from8549
+logic.from8549:
+  br i1 %t1487, label %logic.rhs8550, label %logic.end8551
+logic.rhs8550:
+  %t1488 = load { ptr, i64, i64 }, ptr %a1484
+  store { ptr, i64, i64 } %t1488, ptr %a1489
+  store { ptr, i64, i64 } { ptr @.str.5649, i64 4, i64 0 }, ptr %a1490
+  %t1491 = call i32 @finch_str_eq(ptr %a1489, ptr %a1490)
+  %t1492 = icmp eq i32 %t1491, 0
+  br label %logic.rend8552
+logic.rend8552:
+  br label %logic.end8551
+logic.end8551:
+  %t1493 = phi i1 [ false, %logic.from8549 ], [ %t1492, %logic.rend8552 ]
+  br label %logic.from8553
+logic.from8553:
+  br i1 %t1493, label %logic.rhs8554, label %logic.end8555
+logic.rhs8554:
+  %t1494 = load { ptr, i64, i64 }, ptr %a1484
+  store { ptr, i64, i64 } %t1494, ptr %a1495
+  store { ptr, i64, i64 } { ptr @.str.5650, i64 3, i64 0 }, ptr %a1496
+  %t1497 = call i32 @finch_str_eq(ptr %a1495, ptr %a1496)
+  %t1498 = icmp eq i32 %t1497, 0
+  br label %logic.rend8556
+logic.rend8556:
+  br label %logic.end8555
+logic.end8555:
+  %t1499 = phi i1 [ false, %logic.from8553 ], [ %t1498, %logic.rend8556 ]
+  br i1 %t1499, label %then8557, label %endif8559
+then8557:
+  %t1500 = load ptr, ptr %a1
+  %t1501 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.fail(ptr %t1500, %S.ast.Node %t1501, { ptr, i64, i64 } { ptr @.str.5651, i64 47, i64 0 })
+  br label %endif8559
+endif8559:
+  %t1502 = load ptr, ptr %a1
+  %t1503 = load %S.ast.Type, ptr %a15
+  %t1504 = call { ptr, i64, i64 } @finch.gen.cmpFn(ptr %t1502, %S.ast.Type %t1503)
+  store { ptr, i64, i64 } %t1504, ptr %a1505
+  %t1506 = load ptr, ptr %a1
+  %t1507 = load { ptr, i64, i64 }, ptr %a39
+  %t1508 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1506, { ptr, i64, i64 } { ptr @.str.5652, i64 3, i64 0 }, { ptr, i64, i64 } %t1507)
+  store { ptr, i64, i64 } %t1508, ptr %a1509
+  %t1510 = load ptr, ptr %a1
+  %t1511 = load { ptr, i64, i64 }, ptr %a3
+  %t1512 = call { ptr, i64, i64 } @finch.gen.load(ptr %t1510, { ptr, i64, i64 } { ptr @.str.5653, i64 3, i64 0 }, { ptr, i64, i64 } %t1511)
+  store { ptr, i64, i64 } %t1512, ptr %a1513
+  %t1514 = load ptr, ptr %a1
+  %t1515 = load { ptr, i64, i64 }, ptr %a1513
+  store { ptr, i64, i64 } { ptr @.str.5654, i64 21, i64 0 }, ptr %a1517
+  store { ptr, i64, i64 } %t1515, ptr %a1518
+  call void @finch_str_concat(ptr %a1516, ptr %a1517, ptr %a1518)
+  %t1519 = load { ptr, i64, i64 }, ptr %a1516
+  store { ptr, i64, i64 } %t1519, ptr %a1521
+  store { ptr, i64, i64 } { ptr @.str.5655, i64 6, i64 0 }, ptr %a1522
+  call void @finch_str_concat(ptr %a1520, ptr %a1521, ptr %a1522)
+  store { ptr, i64, i64 } %t1519, ptr %a1523
+  call void @finch_str_drop(ptr %a1523)
+  %t1524 = load { ptr, i64, i64 }, ptr %a1520
+  %t1525 = load { ptr, i64, i64 }, ptr %a1509
+  store { ptr, i64, i64 } %t1524, ptr %a1527
+  store { ptr, i64, i64 } %t1525, ptr %a1528
+  call void @finch_str_concat(ptr %a1526, ptr %a1527, ptr %a1528)
+  store { ptr, i64, i64 } %t1524, ptr %a1529
+  call void @finch_str_drop(ptr %a1529)
+  %t1530 = load { ptr, i64, i64 }, ptr %a1526
+  store { ptr, i64, i64 } %t1530, ptr %a1532
+  store { ptr, i64, i64 } { ptr @.str.5656, i64 6, i64 0 }, ptr %a1533
+  call void @finch_str_concat(ptr %a1531, ptr %a1532, ptr %a1533)
+  store { ptr, i64, i64 } %t1530, ptr %a1534
+  call void @finch_str_drop(ptr %a1534)
+  %t1535 = load { ptr, i64, i64 }, ptr %a1531
+  %t1536 = load ptr, ptr %a1
+  %t1537 = load %S.ast.Type, ptr %a15
+  %t1538 = call { ptr, i64, i64 } @finch.gen.sizeOf(ptr %t1536, %S.ast.Type %t1537)
+  store { ptr, i64, i64 } %t1535, ptr %a1540
+  store { ptr, i64, i64 } %t1538, ptr %a1541
+  call void @finch_str_concat(ptr %a1539, ptr %a1540, ptr %a1541)
+  store { ptr, i64, i64 } %t1535, ptr %a1542
+  call void @finch_str_drop(ptr %a1542)
+  store { ptr, i64, i64 } %t1538, ptr %a1543
+  call void @finch_str_drop(ptr %a1543)
+  %t1544 = load { ptr, i64, i64 }, ptr %a1539
+  store { ptr, i64, i64 } %t1544, ptr %a1546
+  store { ptr, i64, i64 } { ptr @.str.5657, i64 6, i64 0 }, ptr %a1547
+  call void @finch_str_concat(ptr %a1545, ptr %a1546, ptr %a1547)
+  store { ptr, i64, i64 } %t1544, ptr %a1548
+  call void @finch_str_drop(ptr %a1548)
+  %t1549 = load { ptr, i64, i64 }, ptr %a1545
+  %t1550 = load { ptr, i64, i64 }, ptr %a1505
+  store { ptr, i64, i64 } %t1549, ptr %a1552
+  store { ptr, i64, i64 } %t1550, ptr %a1553
+  call void @finch_str_concat(ptr %a1551, ptr %a1552, ptr %a1553)
+  store { ptr, i64, i64 } %t1549, ptr %a1554
+  call void @finch_str_drop(ptr %a1554)
+  %t1555 = load { ptr, i64, i64 }, ptr %a1551
+  store { ptr, i64, i64 } %t1555, ptr %a1557
+  store { ptr, i64, i64 } { ptr @.str.5658, i64 1, i64 0 }, ptr %a1558
+  call void @finch_str_concat(ptr %a1556, ptr %a1557, ptr %a1558)
+  store { ptr, i64, i64 } %t1555, ptr %a1559
+  call void @finch_str_drop(ptr %a1559)
+  %t1560 = load { ptr, i64, i64 }, ptr %a1556
+  call void @finch.gen.emit(ptr %t1514, { ptr, i64, i64 } %t1560)
+  store { ptr, i64, i64 } %t1560, ptr %a1561
+  call void @finch_str_drop(ptr %a1561)
+  %t1562 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5659, i64 4, i64 0 })
+  %t1563 = insertvalue %S.gen.Val zeroinitializer, %S.ast.Type %t1562, 1
+  call void @finch_str_drop(ptr %a1513)
+  call void @finch_str_drop(ptr %a1509)
+  call void @finch_str_drop(ptr %a1505)
+  call void @finch_str_drop(ptr %a1484)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret %S.gen.Val %t1563
+endif8548:
+  %t1564 = load ptr, ptr %a1
+  %t1565 = load %S.ast.Node, ptr %a2
+  %t1566 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } { ptr @.str.5660, i64 24, i64 0 }, ptr %a1568
+  store { ptr, i64, i64 } %t1566, ptr %a1569
+  call void @finch_str_concat(ptr %a1567, ptr %a1568, ptr %a1569)
+  %t1570 = load { ptr, i64, i64 }, ptr %a1567
+  store { ptr, i64, i64 } %t1570, ptr %a1572
+  store { ptr, i64, i64 } { ptr @.str.5661, i64 96, i64 0 }, ptr %a1573
+  call void @finch_str_concat(ptr %a1571, ptr %a1572, ptr %a1573)
+  store { ptr, i64, i64 } %t1570, ptr %a1574
+  call void @finch_str_drop(ptr %a1574)
+  %t1575 = load { ptr, i64, i64 }, ptr %a1571
+  call void @finch.gen.fail(ptr %t1564, %S.ast.Node %t1565, { ptr, i64, i64 } %t1575)
+  store { ptr, i64, i64 } %t1575, ptr %a1576
+  call void @finch_str_drop(ptr %a1576)
+  call void @finch_str_drop(ptr %a39)
+  call void @finch_str_drop(ptr %a25)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch.drop.S_ast_Type(ptr %a15)
   ret %S.gen.Val zeroinitializer
 }
 
+define internal void @finch.gen.dropFrom(ptr %p0, { ptr, i64, i64 } %p1, %S.ast.Type %p2, { ptr, i64, i64 } %p3) {
+entry:
+  %a1 = alloca ptr, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca %S.ast.Type, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca %S.ast.Type, align 16
+  %a13 = alloca %S.ast.Type, align 16
+  %a15 = alloca %S.ast.Type, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a201 = alloca { ptr, i64, i64 }, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  store ptr %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  store %S.ast.Type %p2, ptr %a3
+  store { ptr, i64, i64 } %p3, ptr %a4
+  %t5 = getelementptr inbounds %S.ast.Type, ptr %a3, i32 0, i32 1
+  %t6 = load { ptr, i64, i64 }, ptr %t5
+  %t7 = extractvalue { ptr, i64, i64 } %t6, 1
+  %t8 = icmp uge i64 0, %t7
+  br i1 %t8, label %range8560, label %inrange8561
+range8560:
+  call void @finch_panic_index(ptr @.str.5662, i64 5330, i64 0, i64 %t7)
+  unreachable
+inrange8561:
+  %t9 = extractvalue { ptr, i64, i64 } %t6, 0
+  %t10 = getelementptr inbounds %S.ast.Type, ptr %t9, i64 0
+  %t11 = load %S.ast.Type, ptr %t10
+  store %S.ast.Type %t11, ptr %a12
+  call void @finch.copy.S_ast_Type(ptr %a13, ptr %a12)
+  %t14 = load %S.ast.Type, ptr %a13
+  store %S.ast.Type %t14, ptr %a15
+  %t16 = load ptr, ptr %a1
+  %t17 = load %S.ast.Type, ptr %a15
+  %t18 = call i1 @finch.gen.owning(ptr %t16, %S.ast.Type %t17)
+  %t19 = xor i1 %t18, true
+  br i1 %t19, label %then8562, label %endif8564
+then8562:
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret void
+endif8564:
+  %t20 = load ptr, ptr %a1
+  %t21 = load %S.ast.Type, ptr %a15
+  %t22 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t20, %S.ast.Type %t21)
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = load ptr, ptr %a1
+  %t25 = load ptr, ptr %a1
+  %t26 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.5664, i64 46, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } %t26, ptr %a29
+  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a27
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.5665, i64 14, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  %t36 = call { ptr, i64, i64 } @finch.gen.op(ptr %t25, { ptr, i64, i64 } %t35)
+  store { ptr, i64, i64 } %t35, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = call { ptr, i64, i64 } @finch.gen.load(ptr %t24, { ptr, i64, i64 } { ptr @.str.5663, i64 3, i64 0 }, { ptr, i64, i64 } %t36)
+  store { ptr, i64, i64 } %t36, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  %t41 = load ptr, ptr %a1
+  %t42 = load { ptr, i64, i64 }, ptr %a2
+  %t43 = call { ptr, i64, i64 } @finch.gen.load(ptr %t41, { ptr, i64, i64 } { ptr @.str.5666, i64 3, i64 0 }, { ptr, i64, i64 } %t42)
+  store { ptr, i64, i64 } %t43, ptr %a44
+  %t45 = load ptr, ptr %a1
+  %t46 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.5667, i64 13, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } %t46, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  %t50 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.5668, i64 2, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  %t56 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t55, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a57
+  %t62 = call { ptr, i64, i64 } @finch.gen.op(ptr %t45, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t61, ptr %a63
+  call void @finch_str_drop(ptr %a63)
+  store { ptr, i64, i64 } %t62, ptr %a64
+  %t65 = load ptr, ptr %a1
+  %t66 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.5669, i64 13, i64 0 }, ptr %a68
+  store { ptr, i64, i64 } %t66, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t70, ptr %a72
+  store { ptr, i64, i64 } { ptr @.str.5670, i64 3, i64 0 }, ptr %a73
+  call void @finch_str_concat(ptr %a71, ptr %a72, ptr %a73)
+  store { ptr, i64, i64 } %t70, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a71
+  %t76 = call { ptr, i64, i64 } @finch.gen.op(ptr %t65, { ptr, i64, i64 } %t75)
+  store { ptr, i64, i64 } %t75, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  store { ptr, i64, i64 } %t76, ptr %a78
+  %t79 = load ptr, ptr %a1
+  %t80 = load { ptr, i64, i64 }, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.5671, i64 10, i64 0 }, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a81
+  store { ptr, i64, i64 } %t84, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.5672, i64 6, i64 0 }, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  %t90 = load ptr, ptr %a1
+  %t91 = load { ptr, i64, i64 }, ptr %a78
+  store { ptr, i64, i64 } { ptr @.str.5673, i64 10, i64 0 }, ptr %a93
+  store { ptr, i64, i64 } %t91, ptr %a94
+  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.5674, i64 13, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  %t101 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t100, ptr %a103
+  store { ptr, i64, i64 } %t101, ptr %a104
+  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
+  store { ptr, i64, i64 } %t100, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load { ptr, i64, i64 }, ptr %a102
+  %t107 = call { ptr, i64, i64 } @finch.gen.op(ptr %t90, { ptr, i64, i64 } %t106)
+  store { ptr, i64, i64 } %t106, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  store { ptr, i64, i64 } %t89, ptr %a110
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
+  store { ptr, i64, i64 } %t89, ptr %a112
+  call void @finch_str_drop(ptr %a112)
+  store { ptr, i64, i64 } %t107, ptr %a113
+  call void @finch_str_drop(ptr %a113)
+  %t114 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t114, ptr %a116
+  store { ptr, i64, i64 } { ptr @.str.5675, i64 6, i64 0 }, ptr %a117
+  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
+  store { ptr, i64, i64 } %t114, ptr %a118
+  call void @finch_str_drop(ptr %a118)
+  %t119 = load { ptr, i64, i64 }, ptr %a115
+  %t120 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } %t119, ptr %a122
+  store { ptr, i64, i64 } %t120, ptr %a123
+  call void @finch_str_concat(ptr %a121, ptr %a122, ptr %a123)
+  store { ptr, i64, i64 } %t119, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a121
+  %t126 = call { ptr, i64, i64 } @finch.gen.op(ptr %t79, { ptr, i64, i64 } %t125)
+  store { ptr, i64, i64 } %t125, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  store { ptr, i64, i64 } %t126, ptr %a128
+  %t129 = load ptr, ptr %a1
+  %t130 = load ptr, ptr %a1
+  %t131 = load { ptr, i64, i64 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.5676, i64 8, i64 0 }, ptr %a133
+  store { ptr, i64, i64 } %t131, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
+  %t135 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t135, ptr %a137
+  store { ptr, i64, i64 } { ptr @.str.5677, i64 2, i64 0 }, ptr %a138
+  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
+  store { ptr, i64, i64 } %t135, ptr %a139
+  call void @finch_str_drop(ptr %a139)
+  %t140 = load { ptr, i64, i64 }, ptr %a136
+  %t141 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t140, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t140, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  %t147 = call { ptr, i64, i64 } @finch.gen.op(ptr %t130, { ptr, i64, i64 } %t146)
+  store { ptr, i64, i64 } %t146, ptr %a148
+  call void @finch_str_drop(ptr %a148)
+  %t149 = call { ptr, i64, i64 } @finch.gen.loopStart(ptr %t129, { ptr, i64, i64 } %t147)
+  store { ptr, i64, i64 } %t147, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  store { ptr, i64, i64 } %t149, ptr %a151
+  %t152 = load ptr, ptr %a1
+  %t153 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.5678, i64 23, i64 0 }, ptr %a155
+  store { ptr, i64, i64 } %t153, ptr %a156
+  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a154
+  store { ptr, i64, i64 } %t157, ptr %a159
+  store { ptr, i64, i64 } { ptr @.str.5679, i64 6, i64 0 }, ptr %a160
+  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
+  store { ptr, i64, i64 } %t157, ptr %a161
+  call void @finch_str_drop(ptr %a161)
+  %t162 = load { ptr, i64, i64 }, ptr %a158
+  %t163 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t162, ptr %a165
+  store { ptr, i64, i64 } %t163, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t162, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  store { ptr, i64, i64 } %t168, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.5680, i64 6, i64 0 }, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t168, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  %t174 = load ptr, ptr %a1
+  %t175 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.5681, i64 8, i64 0 }, ptr %a177
+  store { ptr, i64, i64 } %t175, ptr %a178
+  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a176
+  store { ptr, i64, i64 } %t179, ptr %a181
+  store { ptr, i64, i64 } { ptr @.str.5682, i64 2, i64 0 }, ptr %a182
+  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
+  store { ptr, i64, i64 } %t179, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load { ptr, i64, i64 }, ptr %a180
+  %t185 = load { ptr, i64, i64 }, ptr %a151
+  %t186 = extractvalue { ptr, i64, i64 } %t185, 1
+  %t187 = icmp uge i64 3, %t186
+  br i1 %t187, label %range8565, label %inrange8566
+range8565:
+  call void @finch_panic_index(ptr @.str.5683, i64 5341, i64 3, i64 %t186)
+  unreachable
+inrange8566:
+  %t188 = extractvalue { ptr, i64, i64 } %t185, 0
+  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t188, i64 3
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  store { ptr, i64, i64 } %t184, ptr %a192
+  store { ptr, i64, i64 } %t190, ptr %a193
+  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
+  store { ptr, i64, i64 } %t184, ptr %a194
+  call void @finch_str_drop(ptr %a194)
+  %t195 = load { ptr, i64, i64 }, ptr %a191
+  %t196 = call { ptr, i64, i64 } @finch.gen.op(ptr %t174, { ptr, i64, i64 } %t195)
+  store { ptr, i64, i64 } %t195, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  store { ptr, i64, i64 } %t173, ptr %a199
+  store { ptr, i64, i64 } %t196, ptr %a200
+  call void @finch_str_concat(ptr %a198, ptr %a199, ptr %a200)
+  store { ptr, i64, i64 } %t173, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  store { ptr, i64, i64 } %t196, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a198
+  %t204 = call { ptr, i64, i64 } @finch.gen.op(ptr %t152, { ptr, i64, i64 } %t203)
+  store { ptr, i64, i64 } %t203, ptr %a205
+  call void @finch_str_drop(ptr %a205)
+  store { ptr, i64, i64 } %t204, ptr %a206
+  %t207 = load ptr, ptr %a1
+  %t208 = load { ptr, i64, i64 }, ptr %a206
+  %t209 = load %S.ast.Type, ptr %a15
+  call void @finch.gen.dropAt(ptr %t207, { ptr, i64, i64 } %t208, %S.ast.Type %t209)
+  %t210 = load ptr, ptr %a1
+  %t211 = load { ptr, i64, i64 }, ptr %a151
+  call void @finch.gen.loopEnd(ptr %t210, { ptr, i64, i64 } %t211)
+  call void @finch_str_drop(ptr %a206)
+  call void @finch.drop.arr_str(ptr %a151)
+  call void @finch_str_drop(ptr %a128)
+  call void @finch_str_drop(ptr %a78)
+  call void @finch_str_drop(ptr %a64)
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a40)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch.drop.S_ast_Type(ptr %a15)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.gen.cmpFn(ptr %p0, %S.ast.Type %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -74160,47 +89026,49 @@ entry:
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca %S.gen.Saved, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca %S.gen.Saved, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a63 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
   %a93 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
@@ -74208,371 +89076,514 @@ entry:
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
   %a176 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
   %a181 = alloca { ptr, i64, i64 }, align 16
-  %a182 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
   %a189 = alloca { ptr, i64, i64 }, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
   %a191 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a196 = alloca { ptr, i64, i64 }, align 16
   %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
   %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
   %a210 = alloca { ptr, i64, i64 }, align 16
   %a211 = alloca { ptr, i64, i64 }, align 16
   %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a216 = alloca { ptr, i64, i64 }, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
   %a221 = alloca { ptr, i64, i64 }, align 16
   %a222 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a229 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
   %a243 = alloca { ptr, i64, i64 }, align 16
   %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
-  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
+  %a288 = alloca { ptr, i64, i64 }, align 16
+  %a289 = alloca { ptr, i64, i64 }, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Type %p1, ptr %a2
   %t3 = load %S.ast.Type, ptr %a2
   %t4 = call { ptr, i64, i64 } @finch.gen.typeKey(%S.ast.Type %t3)
-  store { ptr, i64, i64 } { ptr @.str.5473, i64 11, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.5684, i64 11, i64 0 }, ptr %a6
   store { ptr, i64, i64 } %t4, ptr %a7
   call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t8, ptr %a9
-  %t10 = load ptr, ptr %a1
-  %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic8110, label %ok8111
-panic8110:
-  call void @finch_panic(ptr @.str.5474, i64 4936, ptr @.str.5475)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = load ptr, ptr %a1
+  %t12 = icmp eq ptr %t11, null
+  br i1 %t12, label %panic8567, label %ok8568
+panic8567:
+  call void @finch_panic(ptr @.str.5685, i64 5349, ptr @.str.5686)
   unreachable
-ok8111:
-  %t12 = getelementptr inbounds %S.gen.Gen, ptr %t10, i32 0, i32 21
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  %t14 = load { ptr, i64, i64 }, ptr %a9
-  %t15 = call i1 @finch.gen.has({ ptr, i64, i64 } %t13, { ptr, i64, i64 } %t14)
-  br i1 %t15, label %then8112, label %endif8114
-then8112:
-  %t16 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t16, ptr %a17
-  call void @finch_str_copy(ptr %a18, ptr %a17)
-  %t19 = load { ptr, i64, i64 }, ptr %a18
-  ret { ptr, i64, i64 } %t19
-endif8114:
-  %t20 = load ptr, ptr %a1
-  %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic8115, label %ok8116
-panic8115:
-  call void @finch_panic(ptr @.str.5476, i64 4939, ptr @.str.5477)
+ok8568:
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %t11, i32 0, i32 22
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  %t16 = call i1 @finch.gen.has({ ptr, i64, i64 } %t14, { ptr, i64, i64 } %t15)
+  br i1 %t16, label %then8569, label %endif8571
+then8569:
+  %t17 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t17
+endif8571:
+  %t18 = load ptr, ptr %a1
+  %t19 = icmp eq ptr %t18, null
+  br i1 %t19, label %panic8572, label %ok8573
+panic8572:
+  call void @finch_panic(ptr @.str.5687, i64 5352, ptr @.str.5688)
   unreachable
-ok8116:
-  %t22 = getelementptr inbounds %S.gen.Gen, ptr %t20, i32 0, i32 21
-  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i32 0, i32 1
-  %t24 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  %t28 = load i64, ptr %t23
-  %t29 = add i64 %t28, 1
-  call void @finch_arr_reserve(ptr %t22, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t30 = load ptr, ptr %t22
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
-  store { ptr, i64, i64 } %t27, ptr %t31
-  store i64 %t29, ptr %t23
-  %t32 = load ptr, ptr %a1
-  %t33 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t32)
-  store %S.gen.Saved %t33, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.5478, i64 0, i64 0 }, ptr %a35
-  %t36 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
-  %t37 = load { ptr, i64, i64 }, ptr %t36
-  store { ptr, i64, i64 } %t37, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.5479, i64 3, i64 0 }, ptr %a39
-  %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
-  %t41 = icmp ne i32 %t40, 0
-  br i1 %t41, label %then8117, label %else8118
-then8117:
-  %t42 = load ptr, ptr %a1
-  %t43 = call { ptr, i64, i64 } @finch.gen.op(ptr %t42, { ptr, i64, i64 } { ptr @.str.5480, i64 39, i64 0 })
-  store { ptr, i64, i64 } %t43, ptr %a44
-  %t45 = load ptr, ptr %a1
-  %t46 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.5481, i64 10, i64 0 }, ptr %a48
-  store { ptr, i64, i64 } %t46, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t50, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.5482, i64 7, i64 0 }, ptr %a53
-  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
-  %t54 = load { ptr, i64, i64 }, ptr %a51
-  %t55 = call { ptr, i64, i64 } @finch.gen.op(ptr %t45, { ptr, i64, i64 } %t54)
-  store { ptr, i64, i64 } %t55, ptr %a35
-  br label %endif8119
-else8118:
-  %t56 = load ptr, ptr %a1
-  %t57 = load %S.ast.Type, ptr %a2
-  %t58 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t56, %S.ast.Type %t57)
-  store { ptr, i64, i64 } %t58, ptr %a59
-  %t60 = load ptr, ptr %a1
-  %t61 = load { ptr, i64, i64 }, ptr %a59
-  %t62 = call { ptr, i64, i64 } @finch.gen.load(ptr %t60, { ptr, i64, i64 } %t61, { ptr, i64, i64 } { ptr @.str.5483, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t62, ptr %a63
-  %t64 = load ptr, ptr %a1
-  %t65 = load { ptr, i64, i64 }, ptr %a59
-  %t66 = call { ptr, i64, i64 } @finch.gen.load(ptr %t64, { ptr, i64, i64 } %t65, { ptr, i64, i64 } { ptr @.str.5484, i64 2, i64 0 })
-  store { ptr, i64, i64 } %t66, ptr %a67
-  store { ptr, i64, i64 } { ptr @.str.5485, i64 0, i64 0 }, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.5486, i64 0, i64 0 }, ptr %a69
-  %t70 = load %S.ast.Type, ptr %a2
-  %t71 = call i1 @finch.gen.isFloat(%S.ast.Type %t70)
-  br i1 %t71, label %then8120, label %else8121
-then8120:
-  %t72 = load ptr, ptr %a1
-  %t73 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.5487, i64 9, i64 0 }, ptr %a75
-  store { ptr, i64, i64 } %t73, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.5488, i64 1, i64 0 }, ptr %a80
-  call void @finch_str_concat(ptr %a78, ptr %a79, ptr %a80)
-  %t81 = load { ptr, i64, i64 }, ptr %a78
-  %t82 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t81, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.5489, i64 2, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t90, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  %t96 = call { ptr, i64, i64 } @finch.gen.op(ptr %t72, { ptr, i64, i64 } %t95)
-  store { ptr, i64, i64 } %t96, ptr %a68
-  %t97 = load ptr, ptr %a1
-  %t98 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } { ptr @.str.5490, i64 9, i64 0 }, ptr %a100
-  store { ptr, i64, i64 } %t98, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
-  store { ptr, i64, i64 } %t102, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.5491, i64 1, i64 0 }, ptr %a105
-  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
-  %t106 = load { ptr, i64, i64 }, ptr %a103
-  %t107 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t106, ptr %a109
+ok8573:
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %t18, i32 0, i32 22
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
+  %t22 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_copy(ptr %a24, ptr %a23)
+  %t25 = load { ptr, i64, i64 }, ptr %a24
+  %t26 = load i64, ptr %t21
+  %t27 = add i64 %t26, 1
+  call void @finch_arr_reserve(ptr %t20, i64 %t27, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t28 = load ptr, ptr %t20
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t26
+  store { ptr, i64, i64 } %t25, ptr %t29
+  store i64 %t27, ptr %t21
+  %t30 = load ptr, ptr %a1
+  %t31 = call %S.gen.Saved @finch.gen.beginHelper(ptr %t30)
+  store %S.gen.Saved %t31, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.5689, i64 0, i64 0 }, ptr %a33
+  %t34 = getelementptr inbounds %S.ast.Type, ptr %a2, i32 0, i32 0
+  %t35 = load { ptr, i64, i64 }, ptr %t34
+  store { ptr, i64, i64 } %t35, ptr %a36
+  store { ptr, i64, i64 } { ptr @.str.5690, i64 3, i64 0 }, ptr %a37
+  %t38 = call i32 @finch_str_eq(ptr %a36, ptr %a37)
+  %t39 = icmp ne i32 %t38, 0
+  br i1 %t39, label %then8574, label %else8575
+then8574:
+  %t40 = load ptr, ptr %a1
+  %t41 = call { ptr, i64, i64 } @finch.gen.op(ptr %t40, { ptr, i64, i64 } { ptr @.str.5691, i64 39, i64 0 })
+  store { ptr, i64, i64 } %t41, ptr %a42
+  %t43 = load ptr, ptr %a1
+  %t44 = load { ptr, i64, i64 }, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.5692, i64 10, i64 0 }, ptr %a46
+  store { ptr, i64, i64 } %t44, ptr %a47
+  call void @finch_str_concat(ptr %a45, ptr %a46, ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t48, ptr %a50
+  store { ptr, i64, i64 } { ptr @.str.5693, i64 7, i64 0 }, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  %t54 = call { ptr, i64, i64 } @finch.gen.op(ptr %t43, { ptr, i64, i64 } %t53)
+  store { ptr, i64, i64 } %t53, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  %t56 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t54, ptr %a33
+  store { ptr, i64, i64 } %t56, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  call void @finch_str_drop(ptr %a42)
+  br label %endif8576
+else8575:
+  %t58 = load ptr, ptr %a1
+  %t59 = load %S.ast.Type, ptr %a2
+  %t60 = call { ptr, i64, i64 } @finch.gen.llty(ptr %t58, %S.ast.Type %t59)
+  store { ptr, i64, i64 } %t60, ptr %a61
+  %t62 = load ptr, ptr %a1
+  %t63 = load { ptr, i64, i64 }, ptr %a61
+  %t64 = call { ptr, i64, i64 } @finch.gen.load(ptr %t62, { ptr, i64, i64 } %t63, { ptr, i64, i64 } { ptr @.str.5694, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t64, ptr %a65
+  %t66 = load ptr, ptr %a1
+  %t67 = load { ptr, i64, i64 }, ptr %a61
+  %t68 = call { ptr, i64, i64 } @finch.gen.load(ptr %t66, { ptr, i64, i64 } %t67, { ptr, i64, i64 } { ptr @.str.5695, i64 2, i64 0 })
+  store { ptr, i64, i64 } %t68, ptr %a69
+  store { ptr, i64, i64 } { ptr @.str.5696, i64 0, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.5697, i64 0, i64 0 }, ptr %a71
+  %t72 = load %S.ast.Type, ptr %a2
+  %t73 = call i1 @finch.gen.isFloat(%S.ast.Type %t72)
+  br i1 %t73, label %then8577, label %else8578
+then8577:
+  %t74 = load ptr, ptr %a1
+  %t75 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.5698, i64 9, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } %t75, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.5699, i64 1, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  %t85 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t84, ptr %a87
+  store { ptr, i64, i64 } %t85, ptr %a88
+  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
+  store { ptr, i64, i64 } %t84, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } %t90, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.5700, i64 2, i64 0 }, ptr %a93
+  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
+  store { ptr, i64, i64 } %t90, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a91
+  %t96 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t95, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
+  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
+  store { ptr, i64, i64 } %t95, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a97
+  %t102 = call { ptr, i64, i64 } @finch.gen.op(ptr %t74, { ptr, i64, i64 } %t101)
+  store { ptr, i64, i64 } %t101, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t102, ptr %a70
+  store { ptr, i64, i64 } %t104, ptr %a105
+  call void @finch_str_drop(ptr %a105)
+  %t106 = load ptr, ptr %a1
+  %t107 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.5701, i64 9, i64 0 }, ptr %a109
   store { ptr, i64, i64 } %t107, ptr %a110
   call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
   %t111 = load { ptr, i64, i64 }, ptr %a108
   store { ptr, i64, i64 } %t111, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.5492, i64 2, i64 0 }, ptr %a114
+  store { ptr, i64, i64 } { ptr @.str.5702, i64 1, i64 0 }, ptr %a114
   call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  %t116 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t115, ptr %a118
+  store { ptr, i64, i64 } %t111, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  %t116 = load { ptr, i64, i64 }, ptr %a112
+  %t117 = load { ptr, i64, i64 }, ptr %a65
   store { ptr, i64, i64 } %t116, ptr %a119
-  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  %t121 = call { ptr, i64, i64 } @finch.gen.op(ptr %t97, { ptr, i64, i64 } %t120)
-  store { ptr, i64, i64 } %t121, ptr %a69
-  br label %endif8122
-else8121:
-  %t122 = load ptr, ptr %a1
-  %t123 = load %S.ast.Type, ptr %a2
-  %t124 = call i1 @finch.gen.isSigned(%S.ast.Type %t123)
-  %t125 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5494, i64 1, i64 0 }, i1 %t124)
-  store { ptr, i64, i64 } { ptr @.str.5493, i64 5, i64 0 }, ptr %a127
-  store { ptr, i64, i64 } %t125, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t129, ptr %a131
-  store { ptr, i64, i64 } { ptr @.str.5495, i64 1, i64 0 }, ptr %a132
-  call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  %t134 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t133, ptr %a136
-  store { ptr, i64, i64 } %t134, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  store { ptr, i64, i64 } %t138, ptr %a140
-  store { ptr, i64, i64 } { ptr @.str.5496, i64 1, i64 0 }, ptr %a141
-  call void @finch_str_concat(ptr %a139, ptr %a140, ptr %a141)
-  %t142 = load { ptr, i64, i64 }, ptr %a139
-  %t143 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t142, ptr %a145
-  store { ptr, i64, i64 } %t143, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  store { ptr, i64, i64 } %t147, ptr %a149
-  store { ptr, i64, i64 } { ptr @.str.5497, i64 2, i64 0 }, ptr %a150
-  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
-  %t151 = load { ptr, i64, i64 }, ptr %a148
-  %t152 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t116, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t122, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.5703, i64 2, i64 0 }, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a123
+  %t128 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t127, ptr %a130
+  store { ptr, i64, i64 } %t128, ptr %a131
+  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
+  store { ptr, i64, i64 } %t127, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = load { ptr, i64, i64 }, ptr %a129
+  %t134 = call { ptr, i64, i64 } @finch.gen.op(ptr %t106, { ptr, i64, i64 } %t133)
+  store { ptr, i64, i64 } %t133, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } %t134, ptr %a71
+  store { ptr, i64, i64 } %t136, ptr %a137
+  call void @finch_str_drop(ptr %a137)
+  br label %endif8579
+else8578:
+  %t138 = load ptr, ptr %a1
+  %t139 = load %S.ast.Type, ptr %a2
+  %t140 = call i1 @finch.gen.isSigned(%S.ast.Type %t139)
+  %t141 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5705, i64 1, i64 0 }, i1 %t140)
+  store { ptr, i64, i64 } { ptr @.str.5704, i64 5, i64 0 }, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  %t146 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t146, ptr %a148
+  store { ptr, i64, i64 } { ptr @.str.5706, i64 1, i64 0 }, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t146, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  %t151 = load { ptr, i64, i64 }, ptr %a147
+  %t152 = load { ptr, i64, i64 }, ptr %a61
   store { ptr, i64, i64 } %t151, ptr %a154
   store { ptr, i64, i64 } %t152, ptr %a155
   call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  %t157 = call { ptr, i64, i64 } @finch.gen.op(ptr %t122, { ptr, i64, i64 } %t156)
-  store { ptr, i64, i64 } %t157, ptr %a68
-  %t158 = load ptr, ptr %a1
-  %t159 = load %S.ast.Type, ptr %a2
-  %t160 = call i1 @finch.gen.isSigned(%S.ast.Type %t159)
-  %t161 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5499, i64 1, i64 0 }, i1 %t160)
-  store { ptr, i64, i64 } { ptr @.str.5498, i64 5, i64 0 }, ptr %a163
-  store { ptr, i64, i64 } %t161, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t165, ptr %a167
-  store { ptr, i64, i64 } { ptr @.str.5500, i64 1, i64 0 }, ptr %a168
-  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
-  %t169 = load { ptr, i64, i64 }, ptr %a166
-  %t170 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t169, ptr %a172
-  store { ptr, i64, i64 } %t170, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  store { ptr, i64, i64 } %t174, ptr %a176
-  store { ptr, i64, i64 } { ptr @.str.5501, i64 1, i64 0 }, ptr %a177
+  store { ptr, i64, i64 } %t151, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  store { ptr, i64, i64 } %t157, ptr %a159
+  store { ptr, i64, i64 } { ptr @.str.5707, i64 1, i64 0 }, ptr %a160
+  call void @finch_str_concat(ptr %a158, ptr %a159, ptr %a160)
+  store { ptr, i64, i64 } %t157, ptr %a161
+  call void @finch_str_drop(ptr %a161)
+  %t162 = load { ptr, i64, i64 }, ptr %a158
+  %t163 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t162, ptr %a165
+  store { ptr, i64, i64 } %t163, ptr %a166
+  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
+  store { ptr, i64, i64 } %t162, ptr %a167
+  call void @finch_str_drop(ptr %a167)
+  %t168 = load { ptr, i64, i64 }, ptr %a164
+  store { ptr, i64, i64 } %t168, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.5708, i64 2, i64 0 }, ptr %a171
+  call void @finch_str_concat(ptr %a169, ptr %a170, ptr %a171)
+  store { ptr, i64, i64 } %t168, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a169
+  %t174 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t173, ptr %a176
+  store { ptr, i64, i64 } %t174, ptr %a177
   call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  %t179 = load { ptr, i64, i64 }, ptr %a63
-  store { ptr, i64, i64 } %t178, ptr %a181
-  store { ptr, i64, i64 } %t179, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  store { ptr, i64, i64 } %t183, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.5502, i64 2, i64 0 }, ptr %a186
-  call void @finch_str_concat(ptr %a184, ptr %a185, ptr %a186)
-  %t187 = load { ptr, i64, i64 }, ptr %a184
-  %t188 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t173, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  %t179 = load { ptr, i64, i64 }, ptr %a175
+  %t180 = call { ptr, i64, i64 } @finch.gen.op(ptr %t138, { ptr, i64, i64 } %t179)
+  store { ptr, i64, i64 } %t179, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  %t182 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t180, ptr %a70
+  store { ptr, i64, i64 } %t182, ptr %a183
+  call void @finch_str_drop(ptr %a183)
+  %t184 = load ptr, ptr %a1
+  %t185 = load %S.ast.Type, ptr %a2
+  %t186 = call i1 @finch.gen.isSigned(%S.ast.Type %t185)
+  %t187 = call { ptr, i64, i64 } @finch.gen.intPred({ ptr, i64, i64 } { ptr @.str.5710, i64 1, i64 0 }, i1 %t186)
+  store { ptr, i64, i64 } { ptr @.str.5709, i64 5, i64 0 }, ptr %a189
   store { ptr, i64, i64 } %t187, ptr %a190
-  store { ptr, i64, i64 } %t188, ptr %a191
-  call void @finch_str_concat(ptr %a189, ptr %a190, ptr %a191)
-  %t192 = load { ptr, i64, i64 }, ptr %a189
-  %t193 = call { ptr, i64, i64 } @finch.gen.op(ptr %t158, { ptr, i64, i64 } %t192)
-  store { ptr, i64, i64 } %t193, ptr %a69
-  br label %endif8122
-endif8122:
-  %t194 = load ptr, ptr %a1
-  %t195 = load ptr, ptr %a1
-  %t196 = load { ptr, i64, i64 }, ptr %a69
-  store { ptr, i64, i64 } { ptr @.str.5504, i64 8, i64 0 }, ptr %a198
-  store { ptr, i64, i64 } %t196, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  store { ptr, i64, i64 } %t200, ptr %a202
-  store { ptr, i64, i64 } { ptr @.str.5505, i64 7, i64 0 }, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  %t205 = call { ptr, i64, i64 } @finch.gen.op(ptr %t195, { ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } { ptr @.str.5503, i64 8, i64 0 }, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t209, ptr %a211
-  store { ptr, i64, i64 } { ptr @.str.5506, i64 2, i64 0 }, ptr %a212
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  store { ptr, i64, i64 } %t187, ptr %a191
+  call void @finch_str_drop(ptr %a191)
+  %t192 = load { ptr, i64, i64 }, ptr %a188
+  store { ptr, i64, i64 } %t192, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.5711, i64 1, i64 0 }, ptr %a195
+  call void @finch_str_concat(ptr %a193, ptr %a194, ptr %a195)
+  store { ptr, i64, i64 } %t192, ptr %a196
+  call void @finch_str_drop(ptr %a196)
+  %t197 = load { ptr, i64, i64 }, ptr %a193
+  %t198 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t197, ptr %a200
+  store { ptr, i64, i64 } %t198, ptr %a201
+  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
+  store { ptr, i64, i64 } %t197, ptr %a202
+  call void @finch_str_drop(ptr %a202)
+  %t203 = load { ptr, i64, i64 }, ptr %a199
+  store { ptr, i64, i64 } %t203, ptr %a205
+  store { ptr, i64, i64 } { ptr @.str.5712, i64 1, i64 0 }, ptr %a206
+  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
+  store { ptr, i64, i64 } %t203, ptr %a207
+  call void @finch_str_drop(ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a204
+  %t209 = load { ptr, i64, i64 }, ptr %a65
+  store { ptr, i64, i64 } %t208, ptr %a211
+  store { ptr, i64, i64 } %t209, ptr %a212
   call void @finch_str_concat(ptr %a210, ptr %a211, ptr %a212)
-  %t213 = load { ptr, i64, i64 }, ptr %a210
-  %t214 = load ptr, ptr %a1
-  %t215 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.5507, i64 8, i64 0 }, ptr %a217
-  store { ptr, i64, i64 } %t215, ptr %a218
-  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
-  %t219 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t219, ptr %a221
-  store { ptr, i64, i64 } { ptr @.str.5508, i64 7, i64 0 }, ptr %a222
-  call void @finch_str_concat(ptr %a220, ptr %a221, ptr %a222)
-  %t223 = load { ptr, i64, i64 }, ptr %a220
-  %t224 = call { ptr, i64, i64 } @finch.gen.op(ptr %t214, { ptr, i64, i64 } %t223)
-  store { ptr, i64, i64 } %t213, ptr %a226
-  store { ptr, i64, i64 } %t224, ptr %a227
-  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
-  %t228 = load { ptr, i64, i64 }, ptr %a225
-  %t229 = call { ptr, i64, i64 } @finch.gen.op(ptr %t194, { ptr, i64, i64 } %t228)
-  store { ptr, i64, i64 } %t229, ptr %a35
-  br label %endif8119
-endif8119:
+  store { ptr, i64, i64 } %t208, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  %t214 = load { ptr, i64, i64 }, ptr %a210
+  store { ptr, i64, i64 } %t214, ptr %a216
+  store { ptr, i64, i64 } { ptr @.str.5713, i64 2, i64 0 }, ptr %a217
+  call void @finch_str_concat(ptr %a215, ptr %a216, ptr %a217)
+  store { ptr, i64, i64 } %t214, ptr %a218
+  call void @finch_str_drop(ptr %a218)
+  %t219 = load { ptr, i64, i64 }, ptr %a215
+  %t220 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t219, ptr %a222
+  store { ptr, i64, i64 } %t220, ptr %a223
+  call void @finch_str_concat(ptr %a221, ptr %a222, ptr %a223)
+  store { ptr, i64, i64 } %t219, ptr %a224
+  call void @finch_str_drop(ptr %a224)
+  %t225 = load { ptr, i64, i64 }, ptr %a221
+  %t226 = call { ptr, i64, i64 } @finch.gen.op(ptr %t184, { ptr, i64, i64 } %t225)
+  store { ptr, i64, i64 } %t225, ptr %a227
+  call void @finch_str_drop(ptr %a227)
+  %t228 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } %t226, ptr %a71
+  store { ptr, i64, i64 } %t228, ptr %a229
+  call void @finch_str_drop(ptr %a229)
+  br label %endif8579
+endif8579:
   %t230 = load ptr, ptr %a1
-  %t231 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.5509, i64 8, i64 0 }, ptr %a233
-  store { ptr, i64, i64 } %t231, ptr %a234
-  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
-  %t235 = load { ptr, i64, i64 }, ptr %a232
-  call void @finch.gen.emit(ptr %t230, { ptr, i64, i64 } %t235)
-  %t236 = load ptr, ptr %a1
-  %t237 = load %S.gen.Saved, ptr %a34
-  %t238 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5510, i64 20, i64 0 }, ptr %a240
-  store { ptr, i64, i64 } %t238, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t242, ptr %a244
-  store { ptr, i64, i64 } { ptr @.str.5511, i64 16, i64 0 }, ptr %a245
-  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
-  %t246 = load { ptr, i64, i64 }, ptr %a243
-  call void @finch.gen.endHelper(ptr %t236, %S.gen.Saved %t237, { ptr, i64, i64 } %t246)
-  %t247 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t247, ptr %a248
-  call void @finch_str_copy(ptr %a249, ptr %a248)
-  %t250 = load { ptr, i64, i64 }, ptr %a249
-  ret { ptr, i64, i64 } %t250
+  %t231 = load ptr, ptr %a1
+  %t232 = load { ptr, i64, i64 }, ptr %a71
+  store { ptr, i64, i64 } { ptr @.str.5715, i64 8, i64 0 }, ptr %a234
+  store { ptr, i64, i64 } %t232, ptr %a235
+  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
+  %t236 = load { ptr, i64, i64 }, ptr %a233
+  store { ptr, i64, i64 } %t236, ptr %a238
+  store { ptr, i64, i64 } { ptr @.str.5716, i64 7, i64 0 }, ptr %a239
+  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
+  store { ptr, i64, i64 } %t236, ptr %a240
+  call void @finch_str_drop(ptr %a240)
+  %t241 = load { ptr, i64, i64 }, ptr %a237
+  %t242 = call { ptr, i64, i64 } @finch.gen.op(ptr %t231, { ptr, i64, i64 } %t241)
+  store { ptr, i64, i64 } %t241, ptr %a243
+  call void @finch_str_drop(ptr %a243)
+  store { ptr, i64, i64 } { ptr @.str.5714, i64 8, i64 0 }, ptr %a245
+  store { ptr, i64, i64 } %t242, ptr %a246
+  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
+  store { ptr, i64, i64 } %t242, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  %t248 = load { ptr, i64, i64 }, ptr %a244
+  store { ptr, i64, i64 } %t248, ptr %a250
+  store { ptr, i64, i64 } { ptr @.str.5717, i64 2, i64 0 }, ptr %a251
+  call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
+  store { ptr, i64, i64 } %t248, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
+  %t254 = load ptr, ptr %a1
+  %t255 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.5718, i64 8, i64 0 }, ptr %a257
+  store { ptr, i64, i64 } %t255, ptr %a258
+  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a256
+  store { ptr, i64, i64 } %t259, ptr %a261
+  store { ptr, i64, i64 } { ptr @.str.5719, i64 7, i64 0 }, ptr %a262
+  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
+  store { ptr, i64, i64 } %t259, ptr %a263
+  call void @finch_str_drop(ptr %a263)
+  %t264 = load { ptr, i64, i64 }, ptr %a260
+  %t265 = call { ptr, i64, i64 } @finch.gen.op(ptr %t254, { ptr, i64, i64 } %t264)
+  store { ptr, i64, i64 } %t264, ptr %a266
+  call void @finch_str_drop(ptr %a266)
+  store { ptr, i64, i64 } %t253, ptr %a268
+  store { ptr, i64, i64 } %t265, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t253, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  store { ptr, i64, i64 } %t265, ptr %a271
+  call void @finch_str_drop(ptr %a271)
+  %t272 = load { ptr, i64, i64 }, ptr %a267
+  %t273 = call { ptr, i64, i64 } @finch.gen.op(ptr %t230, { ptr, i64, i64 } %t272)
+  store { ptr, i64, i64 } %t272, ptr %a274
+  call void @finch_str_drop(ptr %a274)
+  %t275 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t273, ptr %a33
+  store { ptr, i64, i64 } %t275, ptr %a276
+  call void @finch_str_drop(ptr %a276)
+  call void @finch_str_drop(ptr %a71)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a69)
+  call void @finch_str_drop(ptr %a65)
+  call void @finch_str_drop(ptr %a61)
+  br label %endif8576
+endif8576:
+  %t277 = load ptr, ptr %a1
+  %t278 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.5720, i64 8, i64 0 }, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  %t282 = load { ptr, i64, i64 }, ptr %a279
+  call void @finch.gen.emit(ptr %t277, { ptr, i64, i64 } %t282)
+  store { ptr, i64, i64 } %t282, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  %t284 = load ptr, ptr %a1
+  %t285 = load %S.gen.Saved, ptr %a32
+  %t286 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.5721, i64 20, i64 0 }, ptr %a288
+  store { ptr, i64, i64 } %t286, ptr %a289
+  call void @finch_str_concat(ptr %a287, ptr %a288, ptr %a289)
+  %t290 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t290, ptr %a292
+  store { ptr, i64, i64 } { ptr @.str.5722, i64 16, i64 0 }, ptr %a293
+  call void @finch_str_concat(ptr %a291, ptr %a292, ptr %a293)
+  store { ptr, i64, i64 } %t290, ptr %a294
+  call void @finch_str_drop(ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a291
+  call void @finch.gen.endHelper(ptr %t284, %S.gen.Saved %t285, { ptr, i64, i64 } %t295)
+  store { ptr, i64, i64 } %t295, ptr %a296
+  call void @finch_str_drop(ptr %a296)
+  %t297 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch_str_drop(ptr %a33)
+  call void @finch.drop.S_gen_Saved(ptr %a32)
+  ret { ptr, i64, i64 } %t297
 }
 
 define internal %S.gen.Val @finch.gen.strMethod(ptr %p0, %S.ast.Node %p1, { ptr, i64, i64 } %p2) {
@@ -74587,239 +89598,328 @@ entry:
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca %S.gen.Val, align 16
+  %a54 = alloca %S.ast.Type, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca %S.gen.Val, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca %S.gen.Val, align 16
+  %a81 = alloca %S.ast.Type, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca %S.gen.Val, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
   %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
   %a112 = alloca { ptr, i64, i64 }, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a145 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
   %a154 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca %S.gen.Val, align 16
   %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
   %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
   %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
   %a230 = alloca { ptr, i64, i64 }, align 16
-  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
   %a252 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
   %a255 = alloca { ptr, i64, i64 }, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
   %a261 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
   %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
   %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
-  %a274 = alloca { ptr, i64, i64 }, align 16
-  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
   %a278 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
   %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
   %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
   %a287 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
   %a291 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
-  %a295 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
   %a304 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
   %a308 = alloca { ptr, i64, i64 }, align 16
   %a309 = alloca { ptr, i64, i64 }, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a313 = alloca { ptr, i64, i64 }, align 16
   %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
+  %a320 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a323 = alloca { ptr, i64, i64 }, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
   %a333 = alloca { ptr, i64, i64 }, align 16
   %a334 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a338 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
   %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
   %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
   %a347 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
+  %a354 = alloca { ptr, i64, i64 }, align 16
   %a358 = alloca { ptr, i64, i64 }, align 16
-  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a376 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
   %a389 = alloca { ptr, i64, i64 }, align 16
   %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
   %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
   %a400 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
   %a403 = alloca { ptr, i64, i64 }, align 16
-  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a406 = alloca { ptr, i64, i64 }, align 16
   %a407 = alloca { ptr, i64, i64 }, align 16
   %a408 = alloca { ptr, i64, i64 }, align 16
   %a409 = alloca { ptr, i64, i64 }, align 16
   %a411 = alloca { ptr, i64, i64 }, align 16
   %a412 = alloca { ptr, i64, i64 }, align 16
   %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
   %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
-  %a420 = alloca { ptr, i64, i64 }, align 16
-  %a421 = alloca { ptr, i64, i64 }, align 16
-  %a422 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
-  %a433 = alloca { ptr, i64, i64 }, align 16
-  %a449 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
-  %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
-  %a457 = alloca { ptr, i64, i64 }, align 16
-  %a459 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a425 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca %S.gen.Val, align 16
+  %a446 = alloca i64, align 16
+  %a458 = alloca %S.gen.Val, align 16
   %a464 = alloca { ptr, i64, i64 }, align 16
-  %a465 = alloca { ptr, i64, i64 }, align 16
-  %a466 = alloca { ptr, i64, i64 }, align 16
   %a468 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
   %a473 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
   %a475 = alloca { ptr, i64, i64 }, align 16
+  %a476 = alloca { ptr, i64, i64 }, align 16
   %a477 = alloca { ptr, i64, i64 }, align 16
   %a478 = alloca { ptr, i64, i64 }, align 16
-  %a479 = alloca { ptr, i64, i64 }, align 16
-  %a490 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca { ptr, i64, i64 }, align 16
-  %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
+  %a481 = alloca { ptr, i64, i64 }, align 16
+  %a482 = alloca { ptr, i64, i64 }, align 16
+  %a483 = alloca { ptr, i64, i64 }, align 16
+  %a484 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a494 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a499 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a504 = alloca { ptr, i64, i64 }, align 16
+  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a510 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
   %a526 = alloca { ptr, i64, i64 }, align 16
   %a527 = alloca { ptr, i64, i64 }, align 16
-  %a528 = alloca { ptr, i64, i64 }, align 16
-  %a531 = alloca { ptr, i64, i64 }, align 16
-  %a532 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
-  %a536 = alloca { ptr, i64, i64 }, align 16
-  %a537 = alloca { ptr, i64, i64 }, align 16
-  %a540 = alloca { ptr, i64, i64 }, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca { ptr, i64, i64 }, align 16
-  %a544 = alloca { ptr, i64, i64 }, align 16
+  %a541 = alloca %S.gen.Val, align 16
   %a545 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a551 = alloca { ptr, i64, i64 }, align 16
+  %a552 = alloca { ptr, i64, i64 }, align 16
+  %a553 = alloca { ptr, i64, i64 }, align 16
+  %a555 = alloca { ptr, i64, i64 }, align 16
   %a556 = alloca { ptr, i64, i64 }, align 16
   %a557 = alloca { ptr, i64, i64 }, align 16
+  %a558 = alloca { ptr, i64, i64 }, align 16
+  %a561 = alloca { ptr, i64, i64 }, align 16
+  %a562 = alloca { ptr, i64, i64 }, align 16
+  %a563 = alloca { ptr, i64, i64 }, align 16
   %a564 = alloca { ptr, i64, i64 }, align 16
+  %a566 = alloca { ptr, i64, i64 }, align 16
   %a567 = alloca { ptr, i64, i64 }, align 16
   %a568 = alloca { ptr, i64, i64 }, align 16
   %a569 = alloca { ptr, i64, i64 }, align 16
-  %a571 = alloca { ptr, i64, i64 }, align 16
   %a572 = alloca { ptr, i64, i64 }, align 16
   %a573 = alloca { ptr, i64, i64 }, align 16
-  %a576 = alloca { ptr, i64, i64 }, align 16
+  %a574 = alloca { ptr, i64, i64 }, align 16
+  %a575 = alloca { ptr, i64, i64 }, align 16
   %a577 = alloca { ptr, i64, i64 }, align 16
   %a578 = alloca { ptr, i64, i64 }, align 16
+  %a579 = alloca { ptr, i64, i64 }, align 16
   %a580 = alloca { ptr, i64, i64 }, align 16
-  %a581 = alloca { ptr, i64, i64 }, align 16
   %a582 = alloca { ptr, i64, i64 }, align 16
+  %a591 = alloca %S.ast.Type, align 16
   %a595 = alloca { ptr, i64, i64 }, align 16
   %a596 = alloca { ptr, i64, i64 }, align 16
-  %a597 = alloca { ptr, i64, i64 }, align 16
-  %a599 = alloca { ptr, i64, i64 }, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca { ptr, i64, i64 }, align 16
+  %a620 = alloca %S.gen.Val, align 16
+  %a621 = alloca %S.ast.Type, align 16
+  %a623 = alloca { ptr, i64, i64 }, align 16
+  %a624 = alloca { ptr, i64, i64 }, align 16
+  %a626 = alloca %S.gen.Val, align 16
+  %a627 = alloca { ptr, i64, i64 }, align 16
+  %a630 = alloca { ptr, i64, i64 }, align 16
+  %a631 = alloca { ptr, i64, i64 }, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a634 = alloca { ptr, i64, i64 }, align 16
+  %a635 = alloca { ptr, i64, i64 }, align 16
+  %a636 = alloca { ptr, i64, i64 }, align 16
+  %a637 = alloca { ptr, i64, i64 }, align 16
+  %a640 = alloca { ptr, i64, i64 }, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a642 = alloca { ptr, i64, i64 }, align 16
+  %a643 = alloca { ptr, i64, i64 }, align 16
+  %a645 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca { ptr, i64, i64 }, align 16
+  %a647 = alloca { ptr, i64, i64 }, align 16
+  %a648 = alloca { ptr, i64, i64 }, align 16
+  %a651 = alloca { ptr, i64, i64 }, align 16
+  %a652 = alloca { ptr, i64, i64 }, align 16
+  %a653 = alloca { ptr, i64, i64 }, align 16
+  %a654 = alloca { ptr, i64, i64 }, align 16
+  %a656 = alloca { ptr, i64, i64 }, align 16
+  %a657 = alloca { ptr, i64, i64 }, align 16
+  %a658 = alloca { ptr, i64, i64 }, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a661 = alloca { ptr, i64, i64 }, align 16
+  %a670 = alloca { ptr, i64, i64 }, align 16
+  %a671 = alloca { ptr, i64, i64 }, align 16
+  %a678 = alloca { ptr, i64, i64 }, align 16
+  %a681 = alloca { ptr, i64, i64 }, align 16
+  %a682 = alloca { ptr, i64, i64 }, align 16
+  %a683 = alloca { ptr, i64, i64 }, align 16
+  %a685 = alloca { ptr, i64, i64 }, align 16
+  %a686 = alloca { ptr, i64, i64 }, align 16
+  %a687 = alloca { ptr, i64, i64 }, align 16
+  %a688 = alloca { ptr, i64, i64 }, align 16
+  %a691 = alloca { ptr, i64, i64 }, align 16
+  %a692 = alloca { ptr, i64, i64 }, align 16
+  %a693 = alloca { ptr, i64, i64 }, align 16
+  %a694 = alloca { ptr, i64, i64 }, align 16
+  %a696 = alloca { ptr, i64, i64 }, align 16
+  %a697 = alloca { ptr, i64, i64 }, align 16
+  %a698 = alloca { ptr, i64, i64 }, align 16
+  %a699 = alloca { ptr, i64, i64 }, align 16
+  %a701 = alloca { ptr, i64, i64 }, align 16
+  %a708 = alloca %S.ast.Type, align 16
+  %a714 = alloca { ptr, i64, i64 }, align 16
+  %a715 = alloca { ptr, i64, i64 }, align 16
+  %a716 = alloca { ptr, i64, i64 }, align 16
+  %a718 = alloca { ptr, i64, i64 }, align 16
+  %a719 = alloca { ptr, i64, i64 }, align 16
+  %a720 = alloca { ptr, i64, i64 }, align 16
+  %a721 = alloca { ptr, i64, i64 }, align 16
+  %a723 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.ast.Node %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -74835,22 +89935,22 @@ entry:
   %t13 = load ptr, ptr %a1
   %t14 = load ptr, ptr %a1
   %t15 = icmp eq ptr %t14, null
-  br i1 %t15, label %panic8123, label %ok8124
-panic8123:
-  call void @finch_panic(ptr @.str.5512, i64 4968, ptr @.str.5513)
+  br i1 %t15, label %panic8580, label %ok8581
+panic8580:
+  call void @finch_panic(ptr @.str.5723, i64 5381, ptr @.str.5724)
   unreachable
-ok8124:
+ok8581:
   %t16 = getelementptr inbounds %S.gen.Gen, ptr %t14, i32 0, i32 1
   %t17 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 13
   %t18 = load i64, ptr %t17
   %t19 = load { ptr, i64, i64 }, ptr %t16
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range8125, label %inrange8126
-range8125:
-  call void @finch_panic_index(ptr @.str.5514, i64 4968, i64 %t18, i64 %t20)
+  br i1 %t21, label %range8582, label %inrange8583
+range8582:
+  call void @finch_panic_index(ptr @.str.5725, i64 5381, i64 %t18, i64 %t20)
   unreachable
-inrange8126:
+inrange8583:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i64 %t18
   %t24 = load { ptr, i64, i64 }, ptr %t23
@@ -74858,11 +89958,11 @@ inrange8126:
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.5515, i64 3, i64 0 }, ptr %a29
+  store { ptr, i64, i64 } { ptr @.str.5726, i64 3, i64 0 }, ptr %a29
   %t30 = call i32 @finch_str_eq(ptr %a28, ptr %a29)
   %t31 = icmp ne i32 %t30, 0
-  br i1 %t31, label %then8127, label %endif8129
-then8127:
+  br i1 %t31, label %then8584, label %endif8586
+then8584:
   %t32 = load ptr, ptr %a1
   %t33 = load %S.ast.Node, ptr %a2
   call void @finch.gen.need(ptr %t32, %S.ast.Node %t33, i64 2)
@@ -74872,879 +89972,1151 @@ then8127:
   %t37 = load { ptr, i64, i64 }, ptr %t36
   %t38 = extractvalue { ptr, i64, i64 } %t37, 1
   %t39 = icmp uge i64 1, %t38
-  br i1 %t39, label %range8130, label %inrange8131
-range8130:
-  call void @finch_panic_index(ptr @.str.5516, i64 4971, i64 1, i64 %t38)
+  br i1 %t39, label %range8587, label %inrange8588
+range8587:
+  call void @finch_panic_index(ptr @.str.5727, i64 5384, i64 1, i64 %t38)
   unreachable
-inrange8131:
+inrange8588:
   %t40 = extractvalue { ptr, i64, i64 } %t37, 0
   %t41 = getelementptr inbounds %S.ast.Node, ptr %t40, i64 1
   %t42 = load %S.ast.Node, ptr %t41
   %t43 = call %S.gen.Val @finch.gen.expr(ptr %t35, %S.ast.Node %t42)
-  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5517, i64 3, i64 0 })
+  %t44 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5728, i64 3, i64 0 })
   %t45 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
   %t46 = load { ptr, i64, i64 }, ptr %t45
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 1, %t47
-  br i1 %t48, label %range8132, label %inrange8133
-range8132:
-  call void @finch_panic_index(ptr @.str.5518, i64 4971, i64 1, i64 %t47)
+  br i1 %t48, label %range8589, label %inrange8590
+range8589:
+  call void @finch_panic_index(ptr @.str.5729, i64 5384, i64 1, i64 %t47)
   unreachable
-inrange8133:
+inrange8590:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds %S.ast.Node, ptr %t49, i64 1
   %t51 = load %S.ast.Node, ptr %t50
-  %t52 = call %S.gen.Val @finch.gen.coerce(ptr %t34, %S.gen.Val %t43, %S.ast.Type %t44, %S.ast.Node %t51, { ptr, i64, i64 } { ptr @.str.5519, i64 9, i64 0 })
-  %t53 = extractvalue %S.gen.Val %t52, 0
-  store { ptr, i64, i64 } %t53, ptr %a54
-  call void @finch_str_copy(ptr %a55, ptr %a54)
-  %t56 = load { ptr, i64, i64 }, ptr %a55
-  store { ptr, i64, i64 } %t56, ptr %a57
-  %t58 = load ptr, ptr %a1
-  %t59 = load ptr, ptr %a1
-  %t60 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t61 = load { ptr, i64, i64 }, ptr %t60
-  %t62 = extractvalue { ptr, i64, i64 } %t61, 1
-  %t63 = icmp uge i64 2, %t62
-  br i1 %t63, label %range8134, label %inrange8135
-range8134:
-  call void @finch_panic_index(ptr @.str.5520, i64 4972, i64 2, i64 %t62)
+  %t52 = call %S.gen.Val @finch.gen.coerce(ptr %t34, %S.gen.Val %t43, %S.ast.Type %t44, %S.ast.Node %t51, { ptr, i64, i64 } { ptr @.str.5730, i64 9, i64 0 })
+  store %S.gen.Val %t43, ptr %a53
+  call void @finch.drop.S_gen_Val(ptr %a53)
+  store %S.ast.Type %t44, ptr %a54
+  call void @finch.drop.S_ast_Type(ptr %a54)
+  %t55 = extractvalue %S.gen.Val %t52, 0
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_copy(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  store %S.gen.Val %t52, ptr %a59
+  call void @finch.drop.S_gen_Val(ptr %a59)
+  store { ptr, i64, i64 } %t58, ptr %a60
+  %t61 = load ptr, ptr %a1
+  %t62 = load ptr, ptr %a1
+  %t63 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t64 = load { ptr, i64, i64 }, ptr %t63
+  %t65 = extractvalue { ptr, i64, i64 } %t64, 1
+  %t66 = icmp uge i64 2, %t65
+  br i1 %t66, label %range8591, label %inrange8592
+range8591:
+  call void @finch_panic_index(ptr @.str.5731, i64 5385, i64 2, i64 %t65)
   unreachable
-inrange8135:
-  %t64 = extractvalue { ptr, i64, i64 } %t61, 0
-  %t65 = getelementptr inbounds %S.ast.Node, ptr %t64, i64 2
-  %t66 = load %S.ast.Node, ptr %t65
-  %t67 = call %S.gen.Val @finch.gen.expr(ptr %t59, %S.ast.Node %t66)
-  %t68 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5521, i64 3, i64 0 })
-  %t69 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t70 = load { ptr, i64, i64 }, ptr %t69
-  %t71 = extractvalue { ptr, i64, i64 } %t70, 1
-  %t72 = icmp uge i64 2, %t71
-  br i1 %t72, label %range8136, label %inrange8137
-range8136:
-  call void @finch_panic_index(ptr @.str.5522, i64 4972, i64 2, i64 %t71)
+inrange8592:
+  %t67 = extractvalue { ptr, i64, i64 } %t64, 0
+  %t68 = getelementptr inbounds %S.ast.Node, ptr %t67, i64 2
+  %t69 = load %S.ast.Node, ptr %t68
+  %t70 = call %S.gen.Val @finch.gen.expr(ptr %t62, %S.ast.Node %t69)
+  %t71 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5732, i64 3, i64 0 })
+  %t72 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 2, %t74
+  br i1 %t75, label %range8593, label %inrange8594
+range8593:
+  call void @finch_panic_index(ptr @.str.5733, i64 5385, i64 2, i64 %t74)
   unreachable
-inrange8137:
-  %t73 = extractvalue { ptr, i64, i64 } %t70, 0
-  %t74 = getelementptr inbounds %S.ast.Node, ptr %t73, i64 2
-  %t75 = load %S.ast.Node, ptr %t74
-  %t76 = call %S.gen.Val @finch.gen.coerce(ptr %t58, %S.gen.Val %t67, %S.ast.Type %t68, %S.ast.Node %t75, { ptr, i64, i64 } { ptr @.str.5523, i64 7, i64 0 })
-  %t77 = extractvalue %S.gen.Val %t76, 0
-  store { ptr, i64, i64 } %t77, ptr %a78
-  call void @finch_str_copy(ptr %a79, ptr %a78)
-  %t80 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t82 = load ptr, ptr %a1
-  %t83 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.5524, i64 29, i64 0 }, ptr %a85
-  store { ptr, i64, i64 } %t83, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t87, ptr %a89
-  store { ptr, i64, i64 } { ptr @.str.5525, i64 6, i64 0 }, ptr %a90
-  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
-  %t91 = load { ptr, i64, i64 }, ptr %a88
-  %t92 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t91, ptr %a94
-  store { ptr, i64, i64 } %t92, ptr %a95
-  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
-  %t96 = load { ptr, i64, i64 }, ptr %a93
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.5526, i64 6, i64 0 }, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = load { ptr, i64, i64 }, ptr %a57
-  store { ptr, i64, i64 } %t100, ptr %a103
-  store { ptr, i64, i64 } %t101, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t105, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.5527, i64 6, i64 0 }, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  %t110 = load { ptr, i64, i64 }, ptr %a81
+inrange8594:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds %S.ast.Node, ptr %t76, i64 2
+  %t78 = load %S.ast.Node, ptr %t77
+  %t79 = call %S.gen.Val @finch.gen.coerce(ptr %t61, %S.gen.Val %t70, %S.ast.Type %t71, %S.ast.Node %t78, { ptr, i64, i64 } { ptr @.str.5734, i64 7, i64 0 })
+  store %S.gen.Val %t70, ptr %a80
+  call void @finch.drop.S_gen_Val(ptr %a80)
+  store %S.ast.Type %t71, ptr %a81
+  call void @finch.drop.S_ast_Type(ptr %a81)
+  %t82 = extractvalue %S.gen.Val %t79, 0
+  store { ptr, i64, i64 } %t82, ptr %a83
+  call void @finch_str_copy(ptr %a84, ptr %a83)
+  %t85 = load { ptr, i64, i64 }, ptr %a84
+  store %S.gen.Val %t79, ptr %a86
+  call void @finch.drop.S_gen_Val(ptr %a86)
+  store { ptr, i64, i64 } %t85, ptr %a87
+  %t88 = load ptr, ptr %a1
+  %t89 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.5735, i64 29, i64 0 }, ptr %a91
+  store { ptr, i64, i64 } %t89, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a90
+  store { ptr, i64, i64 } %t93, ptr %a95
+  store { ptr, i64, i64 } { ptr @.str.5736, i64 6, i64 0 }, ptr %a96
+  call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  %t99 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t98, ptr %a101
+  store { ptr, i64, i64 } %t99, ptr %a102
+  call void @finch_str_concat(ptr %a100, ptr %a101, ptr %a102)
+  store { ptr, i64, i64 } %t98, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.5737, i64 6, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  store { ptr, i64, i64 } %t104, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a105
+  %t110 = load { ptr, i64, i64 }, ptr %a60
   store { ptr, i64, i64 } %t109, ptr %a112
   store { ptr, i64, i64 } %t110, ptr %a113
   call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
-  %t114 = load { ptr, i64, i64 }, ptr %a111
-  store { ptr, i64, i64 } %t114, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.5528, i64 6, i64 0 }, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  %t119 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t118, ptr %a121
-  store { ptr, i64, i64 } %t119, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.5529, i64 6, i64 0 }, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
-  %t129 = load i64, ptr %t128
-  call void @finch_str_from_int(ptr %a130, i64 %t129)
-  %t131 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t127, ptr %a133
+  store { ptr, i64, i64 } %t109, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  store { ptr, i64, i64 } %t115, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.5738, i64 6, i64 0 }, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a116
+  %t121 = load { ptr, i64, i64 }, ptr %a87
+  store { ptr, i64, i64 } %t120, ptr %a123
+  store { ptr, i64, i64 } %t121, ptr %a124
+  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
+  store { ptr, i64, i64 } %t120, ptr %a125
+  call void @finch_str_drop(ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t126, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.5739, i64 6, i64 0 }, ptr %a129
+  call void @finch_str_concat(ptr %a127, ptr %a128, ptr %a129)
+  store { ptr, i64, i64 } %t126, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load { ptr, i64, i64 }, ptr %a127
+  %t132 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t131, ptr %a134
-  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t135, ptr %a137
-  store { ptr, i64, i64 } { ptr @.str.5530, i64 1, i64 0 }, ptr %a138
-  call void @finch_str_concat(ptr %a136, ptr %a137, ptr %a138)
-  %t139 = load { ptr, i64, i64 }, ptr %a136
-  call void @finch.gen.emit(ptr %t82, { ptr, i64, i64 } %t139)
-  %t140 = load ptr, ptr %a1
-  %t141 = load { ptr, i64, i64 }, ptr %a12
-  %t142 = call { ptr, i64, i64 } @finch.gen.load(ptr %t140, { ptr, i64, i64 } { ptr @.str.5531, i64 17, i64 0 }, { ptr, i64, i64 } %t141)
-  %t143 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t142, 0
-  %t144 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5532, i64 3, i64 0 })
-  %t145 = insertvalue %S.gen.Val %t143, %S.ast.Type %t144, 1
-  %t146 = insertvalue %S.gen.Val %t145, i1 true, 2
-  ret %S.gen.Val %t146
-endif8129:
-  %t147 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t147, ptr %a148
-  store { ptr, i64, i64 } { ptr @.str.5533, i64 4, i64 0 }, ptr %a149
-  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
-  %t151 = icmp ne i32 %t150, 0
-  br label %logic.from8138
-logic.from8138:
-  br i1 %t151, label %logic.end8140, label %logic.rhs8139
-logic.rhs8139:
-  %t152 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t152, ptr %a153
-  store { ptr, i64, i64 } { ptr @.str.5534, i64 8, i64 0 }, ptr %a154
-  %t155 = call i32 @finch_str_eq(ptr %a153, ptr %a154)
-  %t156 = icmp ne i32 %t155, 0
-  br label %logic.rend8141
-logic.rend8141:
-  br label %logic.end8140
-logic.end8140:
-  %t157 = phi i1 [ true, %logic.from8138 ], [ %t156, %logic.rend8141 ]
-  br label %logic.from8142
-logic.from8142:
-  br i1 %t157, label %logic.end8144, label %logic.rhs8143
-logic.rhs8143:
-  %t158 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t158, ptr %a159
-  store { ptr, i64, i64 } { ptr @.str.5535, i64 11, i64 0 }, ptr %a160
-  %t161 = call i32 @finch_str_eq(ptr %a159, ptr %a160)
-  %t162 = icmp ne i32 %t161, 0
-  br label %logic.rend8145
-logic.rend8145:
-  br label %logic.end8144
-logic.end8144:
-  %t163 = phi i1 [ true, %logic.from8142 ], [ %t162, %logic.rend8145 ]
-  br label %logic.from8146
-logic.from8146:
-  br i1 %t163, label %logic.end8148, label %logic.rhs8147
-logic.rhs8147:
-  %t164 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t164, ptr %a165
-  store { ptr, i64, i64 } { ptr @.str.5536, i64 9, i64 0 }, ptr %a166
-  %t167 = call i32 @finch_str_eq(ptr %a165, ptr %a166)
-  %t168 = icmp ne i32 %t167, 0
-  br label %logic.rend8149
-logic.rend8149:
-  br label %logic.end8148
-logic.end8148:
-  %t169 = phi i1 [ true, %logic.from8146 ], [ %t168, %logic.rend8149 ]
-  br i1 %t169, label %then8150, label %endif8152
-then8150:
-  %t170 = load ptr, ptr %a1
-  %t171 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t170, %S.ast.Node %t171, i64 1)
-  %t172 = load ptr, ptr %a1
-  %t173 = load ptr, ptr %a1
-  %t174 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  %t176 = extractvalue { ptr, i64, i64 } %t175, 1
-  %t177 = icmp uge i64 1, %t176
-  br i1 %t177, label %range8153, label %inrange8154
-range8153:
-  call void @finch_panic_index(ptr @.str.5537, i64 4978, i64 1, i64 %t176)
-  unreachable
-inrange8154:
-  %t178 = extractvalue { ptr, i64, i64 } %t175, 0
-  %t179 = getelementptr inbounds %S.ast.Node, ptr %t178, i64 1
-  %t180 = load %S.ast.Node, ptr %t179
-  %t181 = call %S.gen.Val @finch.gen.strArg(ptr %t173, %S.ast.Node %t180, { ptr, i64, i64 } { ptr @.str.5538, i64 20, i64 0 })
-  %t182 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t172, %S.gen.Val %t181)
-  store { ptr, i64, i64 } %t182, ptr %a183
-  %t184 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t184, ptr %a185
-  store { ptr, i64, i64 } { ptr @.str.5539, i64 4, i64 0 }, ptr %a186
-  %t187 = call i32 @finch_str_eq(ptr %a185, ptr %a186)
-  %t188 = icmp ne i32 %t187, 0
-  br i1 %t188, label %then8155, label %endif8157
-then8155:
+  store { ptr, i64, i64 } %t132, ptr %a135
+  call void @finch_str_concat(ptr %a133, ptr %a134, ptr %a135)
+  store { ptr, i64, i64 } %t131, ptr %a136
+  call void @finch_str_drop(ptr %a136)
+  %t137 = load { ptr, i64, i64 }, ptr %a133
+  store { ptr, i64, i64 } %t137, ptr %a139
+  store { ptr, i64, i64 } { ptr @.str.5740, i64 6, i64 0 }, ptr %a140
+  call void @finch_str_concat(ptr %a138, ptr %a139, ptr %a140)
+  store { ptr, i64, i64 } %t137, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  %t142 = load { ptr, i64, i64 }, ptr %a138
+  %t143 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 11
+  %t144 = load i64, ptr %t143
+  call void @finch_str_from_int(ptr %a145, i64 %t144)
+  %t146 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t142, ptr %a148
+  store { ptr, i64, i64 } %t146, ptr %a149
+  call void @finch_str_concat(ptr %a147, ptr %a148, ptr %a149)
+  store { ptr, i64, i64 } %t142, ptr %a150
+  call void @finch_str_drop(ptr %a150)
+  store { ptr, i64, i64 } %t146, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a147
+  store { ptr, i64, i64 } %t152, ptr %a154
+  store { ptr, i64, i64 } { ptr @.str.5741, i64 1, i64 0 }, ptr %a155
+  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a153
+  call void @finch.gen.emit(ptr %t88, { ptr, i64, i64 } %t157)
+  store { ptr, i64, i64 } %t157, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load ptr, ptr %a1
+  %t160 = load { ptr, i64, i64 }, ptr %a12
+  %t161 = call { ptr, i64, i64 } @finch.gen.load(ptr %t159, { ptr, i64, i64 } { ptr @.str.5742, i64 17, i64 0 }, { ptr, i64, i64 } %t160)
+  %t162 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t161, 0
+  %t163 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5743, i64 3, i64 0 })
+  %t164 = insertvalue %S.gen.Val %t162, %S.ast.Type %t163, 1
+  %t165 = insertvalue %S.gen.Val %t164, i1 true, 2
+  call void @finch_str_drop(ptr %a87)
+  call void @finch_str_drop(ptr %a60)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t165
+endif8586:
+  %t166 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t166, ptr %a167
+  store { ptr, i64, i64 } { ptr @.str.5744, i64 4, i64 0 }, ptr %a168
+  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
+  %t170 = icmp ne i32 %t169, 0
+  br label %logic.from8595
+logic.from8595:
+  br i1 %t170, label %logic.end8597, label %logic.rhs8596
+logic.rhs8596:
+  %t171 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t171, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.5745, i64 8, i64 0 }, ptr %a173
+  %t174 = call i32 @finch_str_eq(ptr %a172, ptr %a173)
+  %t175 = icmp ne i32 %t174, 0
+  br label %logic.rend8598
+logic.rend8598:
+  br label %logic.end8597
+logic.end8597:
+  %t176 = phi i1 [ true, %logic.from8595 ], [ %t175, %logic.rend8598 ]
+  br label %logic.from8599
+logic.from8599:
+  br i1 %t176, label %logic.end8601, label %logic.rhs8600
+logic.rhs8600:
+  %t177 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t177, ptr %a178
+  store { ptr, i64, i64 } { ptr @.str.5746, i64 11, i64 0 }, ptr %a179
+  %t180 = call i32 @finch_str_eq(ptr %a178, ptr %a179)
+  %t181 = icmp ne i32 %t180, 0
+  br label %logic.rend8602
+logic.rend8602:
+  br label %logic.end8601
+logic.end8601:
+  %t182 = phi i1 [ true, %logic.from8599 ], [ %t181, %logic.rend8602 ]
+  br label %logic.from8603
+logic.from8603:
+  br i1 %t182, label %logic.end8605, label %logic.rhs8604
+logic.rhs8604:
+  %t183 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t183, ptr %a184
+  store { ptr, i64, i64 } { ptr @.str.5747, i64 9, i64 0 }, ptr %a185
+  %t186 = call i32 @finch_str_eq(ptr %a184, ptr %a185)
+  %t187 = icmp ne i32 %t186, 0
+  br label %logic.rend8606
+logic.rend8606:
+  br label %logic.end8605
+logic.end8605:
+  %t188 = phi i1 [ true, %logic.from8603 ], [ %t187, %logic.rend8606 ]
+  br i1 %t188, label %then8607, label %endif8609
+then8607:
   %t189 = load ptr, ptr %a1
-  %t190 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5540, i64 29, i64 0 }, ptr %a192
-  store { ptr, i64, i64 } %t190, ptr %a193
-  call void @finch_str_concat(ptr %a191, ptr %a192, ptr %a193)
-  %t194 = load { ptr, i64, i64 }, ptr %a191
-  store { ptr, i64, i64 } %t194, ptr %a196
-  store { ptr, i64, i64 } { ptr @.str.5541, i64 6, i64 0 }, ptr %a197
-  call void @finch_str_concat(ptr %a195, ptr %a196, ptr %a197)
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  %t199 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t198, ptr %a201
-  store { ptr, i64, i64 } %t199, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } { ptr @.str.5542, i64 1, i64 0 }, ptr %a206
-  call void @finch_str_concat(ptr %a204, ptr %a205, ptr %a206)
-  %t207 = load { ptr, i64, i64 }, ptr %a204
-  %t208 = call { ptr, i64, i64 } @finch.gen.op(ptr %t189, { ptr, i64, i64 } %t207)
-  %t209 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t208, 0
-  %t210 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5543, i64 3, i64 0 })
-  %t211 = insertvalue %S.gen.Val %t209, %S.ast.Type %t210, 1
-  ret %S.gen.Val %t211
-endif8157:
-  %t212 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t212, ptr %a213
-  store { ptr, i64, i64 } { ptr @.str.5544, i64 8, i64 0 }, ptr %a214
-  %t215 = call i32 @finch_str_eq(ptr %a213, ptr %a214)
-  %t216 = icmp ne i32 %t215, 0
-  br i1 %t216, label %then8158, label %endif8160
-then8158:
-  %t217 = load ptr, ptr %a1
-  %t218 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.5545, i64 29, i64 0 }, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  store { ptr, i64, i64 } %t222, ptr %a224
-  store { ptr, i64, i64 } { ptr @.str.5546, i64 6, i64 0 }, ptr %a225
-  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
-  %t226 = load { ptr, i64, i64 }, ptr %a223
-  %t227 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t226, ptr %a229
-  store { ptr, i64, i64 } %t227, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
+  %t190 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t189, %S.ast.Node %t190, i64 1)
+  %t191 = load ptr, ptr %a1
+  %t192 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t193 = load { ptr, i64, i64 }, ptr %t192
+  %t194 = extractvalue { ptr, i64, i64 } %t193, 1
+  %t195 = icmp uge i64 1, %t194
+  br i1 %t195, label %range8610, label %inrange8611
+range8610:
+  call void @finch_panic_index(ptr @.str.5748, i64 5391, i64 1, i64 %t194)
+  unreachable
+inrange8611:
+  %t196 = extractvalue { ptr, i64, i64 } %t193, 0
+  %t197 = getelementptr inbounds %S.ast.Node, ptr %t196, i64 1
+  %t198 = load %S.ast.Node, ptr %t197
+  %t199 = call %S.gen.Val @finch.gen.strArg(ptr %t191, %S.ast.Node %t198, { ptr, i64, i64 } { ptr @.str.5749, i64 20, i64 0 })
+  store %S.gen.Val %t199, ptr %a200
+  %t201 = load ptr, ptr %a1
+  %t202 = load %S.gen.Val, ptr %a200
+  %t203 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t201, %S.gen.Val %t202)
+  store { ptr, i64, i64 } %t203, ptr %a204
+  %t205 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t205, ptr %a206
+  store { ptr, i64, i64 } { ptr @.str.5750, i64 4, i64 0 }, ptr %a207
+  %t208 = call i32 @finch_str_eq(ptr %a206, ptr %a207)
+  %t209 = icmp ne i32 %t208, 0
+  br i1 %t209, label %then8612, label %endif8614
+then8612:
+  %t210 = load ptr, ptr %a1
+  %t211 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5751, i64 29, i64 0 }, ptr %a213
+  store { ptr, i64, i64 } %t211, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  %t215 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } %t215, ptr %a217
+  store { ptr, i64, i64 } { ptr @.str.5752, i64 6, i64 0 }, ptr %a218
+  call void @finch_str_concat(ptr %a216, ptr %a217, ptr %a218)
+  store { ptr, i64, i64 } %t215, ptr %a219
+  call void @finch_str_drop(ptr %a219)
+  %t220 = load { ptr, i64, i64 }, ptr %a216
+  %t221 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t220, ptr %a223
+  store { ptr, i64, i64 } %t221, ptr %a224
+  call void @finch_str_concat(ptr %a222, ptr %a223, ptr %a224)
+  store { ptr, i64, i64 } %t220, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  %t226 = load { ptr, i64, i64 }, ptr %a222
+  store { ptr, i64, i64 } %t226, ptr %a228
+  store { ptr, i64, i64 } { ptr @.str.5753, i64 1, i64 0 }, ptr %a229
+  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
+  store { ptr, i64, i64 } %t226, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = load { ptr, i64, i64 }, ptr %a227
+  %t232 = call { ptr, i64, i64 } @finch.gen.op(ptr %t210, { ptr, i64, i64 } %t231)
   store { ptr, i64, i64 } %t231, ptr %a233
-  store { ptr, i64, i64 } { ptr @.str.5547, i64 1, i64 0 }, ptr %a234
-  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
-  %t235 = load { ptr, i64, i64 }, ptr %a232
-  %t236 = call { ptr, i64, i64 } @finch.gen.op(ptr %t217, { ptr, i64, i64 } %t235)
-  store { ptr, i64, i64 } %t236, ptr %a237
-  %t238 = load ptr, ptr %a1
-  %t239 = load { ptr, i64, i64 }, ptr %a237
-  store { ptr, i64, i64 } { ptr @.str.5548, i64 13, i64 0 }, ptr %a241
-  store { ptr, i64, i64 } %t239, ptr %a242
-  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
-  %t243 = load { ptr, i64, i64 }, ptr %a240
-  store { ptr, i64, i64 } %t243, ptr %a245
-  store { ptr, i64, i64 } { ptr @.str.5549, i64 3, i64 0 }, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  %t248 = call { ptr, i64, i64 } @finch.gen.op(ptr %t238, { ptr, i64, i64 } %t247)
-  %t249 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t248, 0
-  %t250 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5550, i64 4, i64 0 })
-  %t251 = insertvalue %S.gen.Val %t249, %S.ast.Type %t250, 1
-  ret %S.gen.Val %t251
-endif8160:
-  store { ptr, i64, i64 } { ptr @.str.5551, i64 17, i64 0 }, ptr %a252
-  %t253 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t253, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.5552, i64 9, i64 0 }, ptr %a255
-  %t256 = call i32 @finch_str_eq(ptr %a254, ptr %a255)
-  %t257 = icmp ne i32 %t256, 0
-  br i1 %t257, label %then8161, label %endif8163
-then8161:
-  store { ptr, i64, i64 } { ptr @.str.5553, i64 15, i64 0 }, ptr %a252
-  br label %endif8163
-endif8163:
-  %t258 = load ptr, ptr %a1
-  %t259 = load { ptr, i64, i64 }, ptr %a252
-  store { ptr, i64, i64 } { ptr @.str.5554, i64 9, i64 0 }, ptr %a261
+  call void @finch_str_drop(ptr %a233)
+  store { ptr, i64, i64 } %t232, ptr %a234
+  %t235 = load ptr, ptr %a1
+  %t236 = load %S.gen.Val, ptr %a200
+  call void @finch.gen.release(ptr %t235, %S.gen.Val %t236)
+  %t237 = load { ptr, i64, i64 }, ptr %a234
+  store { ptr, i64, i64 } %t237, ptr %a238
+  call void @finch_str_copy(ptr %a239, ptr %a238)
+  %t240 = load { ptr, i64, i64 }, ptr %a239
+  %t241 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t240, 0
+  %t242 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5754, i64 3, i64 0 })
+  %t243 = insertvalue %S.gen.Val %t241, %S.ast.Type %t242, 1
+  call void @finch_str_drop(ptr %a234)
+  call void @finch_str_drop(ptr %a204)
+  call void @finch.drop.S_gen_Val(ptr %a200)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t243
+endif8614:
+  %t244 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t244, ptr %a245
+  store { ptr, i64, i64 } { ptr @.str.5755, i64 8, i64 0 }, ptr %a246
+  %t247 = call i32 @finch_str_eq(ptr %a245, ptr %a246)
+  %t248 = icmp ne i32 %t247, 0
+  br i1 %t248, label %then8615, label %endif8617
+then8615:
+  %t249 = load ptr, ptr %a1
+  %t250 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.5756, i64 29, i64 0 }, ptr %a252
+  store { ptr, i64, i64 } %t250, ptr %a253
+  call void @finch_str_concat(ptr %a251, ptr %a252, ptr %a253)
+  %t254 = load { ptr, i64, i64 }, ptr %a251
+  store { ptr, i64, i64 } %t254, ptr %a256
+  store { ptr, i64, i64 } { ptr @.str.5757, i64 6, i64 0 }, ptr %a257
+  call void @finch_str_concat(ptr %a255, ptr %a256, ptr %a257)
+  store { ptr, i64, i64 } %t254, ptr %a258
+  call void @finch_str_drop(ptr %a258)
+  %t259 = load { ptr, i64, i64 }, ptr %a255
+  %t260 = load { ptr, i64, i64 }, ptr %a204
   store { ptr, i64, i64 } %t259, ptr %a262
-  call void @finch_str_concat(ptr %a260, ptr %a261, ptr %a262)
-  %t263 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t263, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.5555, i64 5, i64 0 }, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
-  %t268 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t267, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } %t272, ptr %a274
-  store { ptr, i64, i64 } { ptr @.str.5556, i64 6, i64 0 }, ptr %a275
-  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
-  %t276 = load { ptr, i64, i64 }, ptr %a273
-  %t277 = load { ptr, i64, i64 }, ptr %a183
-  store { ptr, i64, i64 } %t276, ptr %a279
-  store { ptr, i64, i64 } %t277, ptr %a280
-  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
-  %t281 = load { ptr, i64, i64 }, ptr %a278
-  store { ptr, i64, i64 } %t281, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.5557, i64 1, i64 0 }, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  %t286 = call { ptr, i64, i64 } @finch.gen.op(ptr %t258, { ptr, i64, i64 } %t285)
-  store { ptr, i64, i64 } %t286, ptr %a287
+  store { ptr, i64, i64 } %t260, ptr %a263
+  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
+  store { ptr, i64, i64 } %t259, ptr %a264
+  call void @finch_str_drop(ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a261
+  store { ptr, i64, i64 } %t265, ptr %a267
+  store { ptr, i64, i64 } { ptr @.str.5758, i64 1, i64 0 }, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t265, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  %t271 = call { ptr, i64, i64 } @finch.gen.op(ptr %t249, { ptr, i64, i64 } %t270)
+  store { ptr, i64, i64 } %t270, ptr %a272
+  call void @finch_str_drop(ptr %a272)
+  store { ptr, i64, i64 } %t271, ptr %a273
+  %t274 = load ptr, ptr %a1
+  %t275 = load { ptr, i64, i64 }, ptr %a273
+  store { ptr, i64, i64 } { ptr @.str.5759, i64 13, i64 0 }, ptr %a277
+  store { ptr, i64, i64 } %t275, ptr %a278
+  call void @finch_str_concat(ptr %a276, ptr %a277, ptr %a278)
+  %t279 = load { ptr, i64, i64 }, ptr %a276
+  store { ptr, i64, i64 } %t279, ptr %a281
+  store { ptr, i64, i64 } { ptr @.str.5760, i64 3, i64 0 }, ptr %a282
+  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
+  store { ptr, i64, i64 } %t279, ptr %a283
+  call void @finch_str_drop(ptr %a283)
+  %t284 = load { ptr, i64, i64 }, ptr %a280
+  %t285 = call { ptr, i64, i64 } @finch.gen.op(ptr %t274, { ptr, i64, i64 } %t284)
+  store { ptr, i64, i64 } %t284, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  store { ptr, i64, i64 } %t285, ptr %a287
   %t288 = load ptr, ptr %a1
-  %t289 = load { ptr, i64, i64 }, ptr %a287
-  store { ptr, i64, i64 } { ptr @.str.5558, i64 12, i64 0 }, ptr %a291
-  store { ptr, i64, i64 } %t289, ptr %a292
-  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
-  %t293 = load { ptr, i64, i64 }, ptr %a290
-  store { ptr, i64, i64 } %t293, ptr %a295
-  store { ptr, i64, i64 } { ptr @.str.5559, i64 3, i64 0 }, ptr %a296
-  call void @finch_str_concat(ptr %a294, ptr %a295, ptr %a296)
-  %t297 = load { ptr, i64, i64 }, ptr %a294
-  %t298 = call { ptr, i64, i64 } @finch.gen.op(ptr %t288, { ptr, i64, i64 } %t297)
-  %t299 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t298, 0
-  %t300 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5560, i64 4, i64 0 })
-  %t301 = insertvalue %S.gen.Val %t299, %S.ast.Type %t300, 1
-  ret %S.gen.Val %t301
-endif8152:
-  %t302 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t302, ptr %a303
-  store { ptr, i64, i64 } { ptr @.str.5561, i64 4, i64 0 }, ptr %a304
-  %t305 = call i32 @finch_str_eq(ptr %a303, ptr %a304)
-  %t306 = icmp ne i32 %t305, 0
-  br label %logic.from8164
-logic.from8164:
-  br i1 %t306, label %logic.end8166, label %logic.rhs8165
-logic.rhs8165:
-  %t307 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t307, ptr %a308
-  store { ptr, i64, i64 } { ptr @.str.5562, i64 5, i64 0 }, ptr %a309
-  %t310 = call i32 @finch_str_eq(ptr %a308, ptr %a309)
-  %t311 = icmp ne i32 %t310, 0
-  br label %logic.rend8167
-logic.rend8167:
-  br label %logic.end8166
-logic.end8166:
-  %t312 = phi i1 [ true, %logic.from8164 ], [ %t311, %logic.rend8167 ]
-  br label %logic.from8168
-logic.from8168:
-  br i1 %t312, label %logic.end8170, label %logic.rhs8169
-logic.rhs8169:
-  %t313 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t313, ptr %a314
-  store { ptr, i64, i64 } { ptr @.str.5563, i64 5, i64 0 }, ptr %a315
-  %t316 = call i32 @finch_str_eq(ptr %a314, ptr %a315)
-  %t317 = icmp ne i32 %t316, 0
-  br label %logic.rend8171
-logic.rend8171:
-  br label %logic.end8170
-logic.end8170:
-  %t318 = phi i1 [ true, %logic.from8168 ], [ %t317, %logic.rend8171 ]
-  br i1 %t318, label %then8172, label %endif8174
-then8172:
-  %t319 = load ptr, ptr %a1
-  %t320 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t319, %S.ast.Node %t320, i64 0)
-  %t321 = load ptr, ptr %a1
-  %t322 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5564, i64 21, i64 0 }, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.5565, i64 5, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  %t331 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } %t330, ptr %a333
-  store { ptr, i64, i64 } %t331, ptr %a334
-  call void @finch_str_concat(ptr %a332, ptr %a333, ptr %a334)
-  %t335 = load { ptr, i64, i64 }, ptr %a332
-  store { ptr, i64, i64 } %t335, ptr %a337
-  store { ptr, i64, i64 } { ptr @.str.5566, i64 6, i64 0 }, ptr %a338
-  call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
-  %t339 = load { ptr, i64, i64 }, ptr %a336
-  %t340 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t339, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a346
-  store { ptr, i64, i64 } { ptr @.str.5567, i64 1, i64 0 }, ptr %a347
-  call void @finch_str_concat(ptr %a345, ptr %a346, ptr %a347)
-  %t348 = load { ptr, i64, i64 }, ptr %a345
-  call void @finch.gen.emit(ptr %t321, { ptr, i64, i64 } %t348)
-  %t349 = load ptr, ptr %a1
-  %t350 = load { ptr, i64, i64 }, ptr %a12
-  %t351 = call { ptr, i64, i64 } @finch.gen.load(ptr %t349, { ptr, i64, i64 } { ptr @.str.5568, i64 17, i64 0 }, { ptr, i64, i64 } %t350)
-  %t352 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t351, 0
-  %t353 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5569, i64 3, i64 0 })
-  %t354 = insertvalue %S.gen.Val %t352, %S.ast.Type %t353, 1
-  %t355 = insertvalue %S.gen.Val %t354, i1 true, 2
-  ret %S.gen.Val %t355
-endif8174:
-  %t356 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t356, ptr %a357
-  store { ptr, i64, i64 } { ptr @.str.5570, i64 7, i64 0 }, ptr %a358
-  %t359 = call i32 @finch_str_eq(ptr %a357, ptr %a358)
-  %t360 = icmp ne i32 %t359, 0
-  br i1 %t360, label %then8175, label %endif8177
-then8175:
-  %t361 = load ptr, ptr %a1
-  %t362 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t361, %S.ast.Node %t362, i64 2)
-  %t363 = load ptr, ptr %a1
-  %t364 = load ptr, ptr %a1
-  %t365 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t366 = load { ptr, i64, i64 }, ptr %t365
-  %t367 = extractvalue { ptr, i64, i64 } %t366, 1
-  %t368 = icmp uge i64 1, %t367
-  br i1 %t368, label %range8178, label %inrange8179
-range8178:
-  call void @finch_panic_index(ptr @.str.5571, i64 5000, i64 1, i64 %t367)
-  unreachable
-inrange8179:
-  %t369 = extractvalue { ptr, i64, i64 } %t366, 0
-  %t370 = getelementptr inbounds %S.ast.Node, ptr %t369, i64 1
-  %t371 = load %S.ast.Node, ptr %t370
-  %t372 = call %S.gen.Val @finch.gen.strArg(ptr %t364, %S.ast.Node %t371, { ptr, i64, i64 } { ptr @.str.5572, i64 19, i64 0 })
-  %t373 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t363, %S.gen.Val %t372)
-  store { ptr, i64, i64 } %t373, ptr %a374
-  %t375 = load ptr, ptr %a1
-  %t376 = load ptr, ptr %a1
-  %t377 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t378 = load { ptr, i64, i64 }, ptr %t377
-  %t379 = extractvalue { ptr, i64, i64 } %t378, 1
-  %t380 = icmp uge i64 2, %t379
-  br i1 %t380, label %range8180, label %inrange8181
-range8180:
-  call void @finch_panic_index(ptr @.str.5573, i64 5001, i64 2, i64 %t379)
-  unreachable
-inrange8181:
-  %t381 = extractvalue { ptr, i64, i64 } %t378, 0
-  %t382 = getelementptr inbounds %S.ast.Node, ptr %t381, i64 2
-  %t383 = load %S.ast.Node, ptr %t382
-  %t384 = call %S.gen.Val @finch.gen.strArg(ptr %t376, %S.ast.Node %t383, { ptr, i64, i64 } { ptr @.str.5574, i64 12, i64 0 })
-  %t385 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t375, %S.gen.Val %t384)
-  store { ptr, i64, i64 } %t385, ptr %a386
-  %t387 = load ptr, ptr %a1
-  %t388 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.5575, i64 33, i64 0 }, ptr %a390
-  store { ptr, i64, i64 } %t388, ptr %a391
+  %t289 = load %S.gen.Val, ptr %a200
+  call void @finch.gen.release(ptr %t288, %S.gen.Val %t289)
+  %t290 = load { ptr, i64, i64 }, ptr %a287
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch_str_copy(ptr %a292, ptr %a291)
+  %t293 = load { ptr, i64, i64 }, ptr %a292
+  %t294 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t293, 0
+  %t295 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5761, i64 4, i64 0 })
+  %t296 = insertvalue %S.gen.Val %t294, %S.ast.Type %t295, 1
+  call void @finch_str_drop(ptr %a287)
+  call void @finch_str_drop(ptr %a273)
+  call void @finch_str_drop(ptr %a204)
+  call void @finch.drop.S_gen_Val(ptr %a200)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t296
+endif8617:
+  store { ptr, i64, i64 } { ptr @.str.5762, i64 17, i64 0 }, ptr %a297
+  %t298 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t298, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.5763, i64 9, i64 0 }, ptr %a300
+  %t301 = call i32 @finch_str_eq(ptr %a299, ptr %a300)
+  %t302 = icmp ne i32 %t301, 0
+  br i1 %t302, label %then8618, label %endif8620
+then8618:
+  %t303 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.5764, i64 15, i64 0 }, ptr %a297
+  store { ptr, i64, i64 } %t303, ptr %a304
+  call void @finch_str_drop(ptr %a304)
+  br label %endif8620
+endif8620:
+  %t305 = load ptr, ptr %a1
+  %t306 = load { ptr, i64, i64 }, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.5765, i64 9, i64 0 }, ptr %a308
+  store { ptr, i64, i64 } %t306, ptr %a309
+  call void @finch_str_concat(ptr %a307, ptr %a308, ptr %a309)
+  %t310 = load { ptr, i64, i64 }, ptr %a307
+  store { ptr, i64, i64 } %t310, ptr %a312
+  store { ptr, i64, i64 } { ptr @.str.5766, i64 5, i64 0 }, ptr %a313
+  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
+  store { ptr, i64, i64 } %t310, ptr %a314
+  call void @finch_str_drop(ptr %a314)
+  %t315 = load { ptr, i64, i64 }, ptr %a311
+  %t316 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t315, ptr %a318
+  store { ptr, i64, i64 } %t316, ptr %a319
+  call void @finch_str_concat(ptr %a317, ptr %a318, ptr %a319)
+  store { ptr, i64, i64 } %t315, ptr %a320
+  call void @finch_str_drop(ptr %a320)
+  %t321 = load { ptr, i64, i64 }, ptr %a317
+  store { ptr, i64, i64 } %t321, ptr %a323
+  store { ptr, i64, i64 } { ptr @.str.5767, i64 6, i64 0 }, ptr %a324
+  call void @finch_str_concat(ptr %a322, ptr %a323, ptr %a324)
+  store { ptr, i64, i64 } %t321, ptr %a325
+  call void @finch_str_drop(ptr %a325)
+  %t326 = load { ptr, i64, i64 }, ptr %a322
+  %t327 = load { ptr, i64, i64 }, ptr %a204
+  store { ptr, i64, i64 } %t326, ptr %a329
+  store { ptr, i64, i64 } %t327, ptr %a330
+  call void @finch_str_concat(ptr %a328, ptr %a329, ptr %a330)
+  store { ptr, i64, i64 } %t326, ptr %a331
+  call void @finch_str_drop(ptr %a331)
+  %t332 = load { ptr, i64, i64 }, ptr %a328
+  store { ptr, i64, i64 } %t332, ptr %a334
+  store { ptr, i64, i64 } { ptr @.str.5768, i64 1, i64 0 }, ptr %a335
+  call void @finch_str_concat(ptr %a333, ptr %a334, ptr %a335)
+  store { ptr, i64, i64 } %t332, ptr %a336
+  call void @finch_str_drop(ptr %a336)
+  %t337 = load { ptr, i64, i64 }, ptr %a333
+  %t338 = call { ptr, i64, i64 } @finch.gen.op(ptr %t305, { ptr, i64, i64 } %t337)
+  store { ptr, i64, i64 } %t337, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  store { ptr, i64, i64 } %t338, ptr %a340
+  %t341 = load ptr, ptr %a1
+  %t342 = load { ptr, i64, i64 }, ptr %a340
+  store { ptr, i64, i64 } { ptr @.str.5769, i64 12, i64 0 }, ptr %a344
+  store { ptr, i64, i64 } %t342, ptr %a345
+  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
+  %t346 = load { ptr, i64, i64 }, ptr %a343
+  store { ptr, i64, i64 } %t346, ptr %a348
+  store { ptr, i64, i64 } { ptr @.str.5770, i64 3, i64 0 }, ptr %a349
+  call void @finch_str_concat(ptr %a347, ptr %a348, ptr %a349)
+  store { ptr, i64, i64 } %t346, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  %t351 = load { ptr, i64, i64 }, ptr %a347
+  %t352 = call { ptr, i64, i64 } @finch.gen.op(ptr %t341, { ptr, i64, i64 } %t351)
+  store { ptr, i64, i64 } %t351, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  store { ptr, i64, i64 } %t352, ptr %a354
+  %t355 = load ptr, ptr %a1
+  %t356 = load %S.gen.Val, ptr %a200
+  call void @finch.gen.release(ptr %t355, %S.gen.Val %t356)
+  %t357 = load { ptr, i64, i64 }, ptr %a354
+  store { ptr, i64, i64 } %t357, ptr %a358
+  call void @finch_str_copy(ptr %a359, ptr %a358)
+  %t360 = load { ptr, i64, i64 }, ptr %a359
+  %t361 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t360, 0
+  %t362 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5771, i64 4, i64 0 })
+  %t363 = insertvalue %S.gen.Val %t361, %S.ast.Type %t362, 1
+  call void @finch_str_drop(ptr %a354)
+  call void @finch_str_drop(ptr %a340)
+  call void @finch_str_drop(ptr %a297)
+  call void @finch_str_drop(ptr %a204)
+  call void @finch.drop.S_gen_Val(ptr %a200)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t363
+endif8609:
+  %t364 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t364, ptr %a365
+  store { ptr, i64, i64 } { ptr @.str.5772, i64 4, i64 0 }, ptr %a366
+  %t367 = call i32 @finch_str_eq(ptr %a365, ptr %a366)
+  %t368 = icmp ne i32 %t367, 0
+  br label %logic.from8621
+logic.from8621:
+  br i1 %t368, label %logic.end8623, label %logic.rhs8622
+logic.rhs8622:
+  %t369 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t369, ptr %a370
+  store { ptr, i64, i64 } { ptr @.str.5773, i64 5, i64 0 }, ptr %a371
+  %t372 = call i32 @finch_str_eq(ptr %a370, ptr %a371)
+  %t373 = icmp ne i32 %t372, 0
+  br label %logic.rend8624
+logic.rend8624:
+  br label %logic.end8623
+logic.end8623:
+  %t374 = phi i1 [ true, %logic.from8621 ], [ %t373, %logic.rend8624 ]
+  br label %logic.from8625
+logic.from8625:
+  br i1 %t374, label %logic.end8627, label %logic.rhs8626
+logic.rhs8626:
+  %t375 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t375, ptr %a376
+  store { ptr, i64, i64 } { ptr @.str.5774, i64 5, i64 0 }, ptr %a377
+  %t378 = call i32 @finch_str_eq(ptr %a376, ptr %a377)
+  %t379 = icmp ne i32 %t378, 0
+  br label %logic.rend8628
+logic.rend8628:
+  br label %logic.end8627
+logic.end8627:
+  %t380 = phi i1 [ true, %logic.from8625 ], [ %t379, %logic.rend8628 ]
+  br i1 %t380, label %then8629, label %endif8631
+then8629:
+  %t381 = load ptr, ptr %a1
+  %t382 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t381, %S.ast.Node %t382, i64 0)
+  %t383 = load ptr, ptr %a1
+  %t384 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.5775, i64 21, i64 0 }, ptr %a386
+  store { ptr, i64, i64 } %t384, ptr %a387
+  call void @finch_str_concat(ptr %a385, ptr %a386, ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a385
+  store { ptr, i64, i64 } %t388, ptr %a390
+  store { ptr, i64, i64 } { ptr @.str.5776, i64 5, i64 0 }, ptr %a391
   call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
-  %t392 = load { ptr, i64, i64 }, ptr %a389
-  store { ptr, i64, i64 } %t392, ptr %a394
-  store { ptr, i64, i64 } { ptr @.str.5576, i64 6, i64 0 }, ptr %a395
-  call void @finch_str_concat(ptr %a393, ptr %a394, ptr %a395)
-  %t396 = load { ptr, i64, i64 }, ptr %a393
-  %t397 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t396, ptr %a399
-  store { ptr, i64, i64 } %t397, ptr %a400
-  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
-  %t401 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } %t401, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.5577, i64 6, i64 0 }, ptr %a404
-  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
-  %t405 = load { ptr, i64, i64 }, ptr %a402
-  %t406 = load { ptr, i64, i64 }, ptr %a374
+  store { ptr, i64, i64 } %t388, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  %t394 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } %t393, ptr %a396
+  store { ptr, i64, i64 } %t394, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t393, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  store { ptr, i64, i64 } %t399, ptr %a401
+  store { ptr, i64, i64 } { ptr @.str.5777, i64 6, i64 0 }, ptr %a402
+  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
+  store { ptr, i64, i64 } %t399, ptr %a403
+  call void @finch_str_drop(ptr %a403)
+  %t404 = load { ptr, i64, i64 }, ptr %a400
+  %t405 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t404, ptr %a407
   store { ptr, i64, i64 } %t405, ptr %a408
-  store { ptr, i64, i64 } %t406, ptr %a409
-  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
-  %t410 = load { ptr, i64, i64 }, ptr %a407
+  call void @finch_str_concat(ptr %a406, ptr %a407, ptr %a408)
+  store { ptr, i64, i64 } %t404, ptr %a409
+  call void @finch_str_drop(ptr %a409)
+  %t410 = load { ptr, i64, i64 }, ptr %a406
   store { ptr, i64, i64 } %t410, ptr %a412
-  store { ptr, i64, i64 } { ptr @.str.5578, i64 6, i64 0 }, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.5778, i64 1, i64 0 }, ptr %a413
   call void @finch_str_concat(ptr %a411, ptr %a412, ptr %a413)
-  %t414 = load { ptr, i64, i64 }, ptr %a411
-  %t415 = load { ptr, i64, i64 }, ptr %a386
-  store { ptr, i64, i64 } %t414, ptr %a417
-  store { ptr, i64, i64 } %t415, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  store { ptr, i64, i64 } %t419, ptr %a421
-  store { ptr, i64, i64 } { ptr @.str.5579, i64 1, i64 0 }, ptr %a422
-  call void @finch_str_concat(ptr %a420, ptr %a421, ptr %a422)
-  %t423 = load { ptr, i64, i64 }, ptr %a420
-  call void @finch.gen.emit(ptr %t387, { ptr, i64, i64 } %t423)
-  %t424 = load ptr, ptr %a1
-  %t425 = load { ptr, i64, i64 }, ptr %a12
-  %t426 = call { ptr, i64, i64 } @finch.gen.load(ptr %t424, { ptr, i64, i64 } { ptr @.str.5580, i64 17, i64 0 }, { ptr, i64, i64 } %t425)
-  %t427 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t426, 0
-  %t428 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5581, i64 3, i64 0 })
-  %t429 = insertvalue %S.gen.Val %t427, %S.ast.Type %t428, 1
-  %t430 = insertvalue %S.gen.Val %t429, i1 true, 2
-  ret %S.gen.Val %t430
-endif8177:
-  %t431 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t431, ptr %a432
-  store { ptr, i64, i64 } { ptr @.str.5582, i64 5, i64 0 }, ptr %a433
-  %t434 = call i32 @finch_str_eq(ptr %a432, ptr %a433)
-  %t435 = icmp ne i32 %t434, 0
-  br i1 %t435, label %then8182, label %endif8184
-then8182:
-  %t436 = load ptr, ptr %a1
-  %t437 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t436, %S.ast.Node %t437, i64 1)
-  %t438 = load ptr, ptr %a1
-  %t439 = load ptr, ptr %a1
-  %t440 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t441 = load { ptr, i64, i64 }, ptr %t440
-  %t442 = extractvalue { ptr, i64, i64 } %t441, 1
-  %t443 = icmp uge i64 1, %t442
-  br i1 %t443, label %range8185, label %inrange8186
-range8185:
-  call void @finch_panic_index(ptr @.str.5583, i64 5007, i64 1, i64 %t442)
+  store { ptr, i64, i64 } %t410, ptr %a414
+  call void @finch_str_drop(ptr %a414)
+  %t415 = load { ptr, i64, i64 }, ptr %a411
+  call void @finch.gen.emit(ptr %t383, { ptr, i64, i64 } %t415)
+  store { ptr, i64, i64 } %t415, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = load ptr, ptr %a1
+  %t418 = load { ptr, i64, i64 }, ptr %a12
+  %t419 = call { ptr, i64, i64 } @finch.gen.load(ptr %t417, { ptr, i64, i64 } { ptr @.str.5779, i64 17, i64 0 }, { ptr, i64, i64 } %t418)
+  %t420 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t419, 0
+  %t421 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5780, i64 3, i64 0 })
+  %t422 = insertvalue %S.gen.Val %t420, %S.ast.Type %t421, 1
+  %t423 = insertvalue %S.gen.Val %t422, i1 true, 2
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t423
+endif8631:
+  %t424 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t424, ptr %a425
+  store { ptr, i64, i64 } { ptr @.str.5781, i64 7, i64 0 }, ptr %a426
+  %t427 = call i32 @finch_str_eq(ptr %a425, ptr %a426)
+  %t428 = icmp ne i32 %t427, 0
+  br i1 %t428, label %then8632, label %endif8634
+then8632:
+  %t429 = load ptr, ptr %a1
+  %t430 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t429, %S.ast.Node %t430, i64 2)
+  %t431 = load ptr, ptr %a1
+  %t432 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t433 = load { ptr, i64, i64 }, ptr %t432
+  %t434 = extractvalue { ptr, i64, i64 } %t433, 1
+  %t435 = icmp uge i64 1, %t434
+  br i1 %t435, label %range8635, label %inrange8636
+range8635:
+  call void @finch_panic_index(ptr @.str.5782, i64 5420, i64 1, i64 %t434)
   unreachable
-inrange8186:
-  %t444 = extractvalue { ptr, i64, i64 } %t441, 0
-  %t445 = getelementptr inbounds %S.ast.Node, ptr %t444, i64 1
-  %t446 = load %S.ast.Node, ptr %t445
-  %t447 = call %S.gen.Val @finch.gen.strArg(ptr %t439, %S.ast.Node %t446, { ptr, i64, i64 } { ptr @.str.5584, i64 13, i64 0 })
-  %t448 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t438, %S.gen.Val %t447)
-  store { ptr, i64, i64 } %t448, ptr %a449
-  %t450 = load ptr, ptr %a1
-  %t451 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t450)
-  store { ptr, i64, i64 } %t451, ptr %a452
-  %t453 = load ptr, ptr %a1
-  %t454 = load { ptr, i64, i64 }, ptr %a452
-  store { ptr, i64, i64 } { ptr @.str.5585, i64 31, i64 0 }, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
-  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
-  %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.5586, i64 6, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t462, ptr %a465
-  store { ptr, i64, i64 } %t463, ptr %a466
-  call void @finch_str_concat(ptr %a464, ptr %a465, ptr %a466)
-  %t467 = load { ptr, i64, i64 }, ptr %a464
-  store { ptr, i64, i64 } %t467, ptr %a469
-  store { ptr, i64, i64 } { ptr @.str.5587, i64 6, i64 0 }, ptr %a470
-  call void @finch_str_concat(ptr %a468, ptr %a469, ptr %a470)
-  %t471 = load { ptr, i64, i64 }, ptr %a468
-  %t472 = load { ptr, i64, i64 }, ptr %a449
-  store { ptr, i64, i64 } %t471, ptr %a474
-  store { ptr, i64, i64 } %t472, ptr %a475
-  call void @finch_str_concat(ptr %a473, ptr %a474, ptr %a475)
-  %t476 = load { ptr, i64, i64 }, ptr %a473
-  store { ptr, i64, i64 } %t476, ptr %a478
-  store { ptr, i64, i64 } { ptr @.str.5588, i64 1, i64 0 }, ptr %a479
-  call void @finch_str_concat(ptr %a477, ptr %a478, ptr %a479)
-  %t480 = load { ptr, i64, i64 }, ptr %a477
-  call void @finch.gen.emit(ptr %t453, { ptr, i64, i64 } %t480)
-  %t481 = load ptr, ptr %a1
-  %t482 = load { ptr, i64, i64 }, ptr %a452
-  %t483 = call { ptr, i64, i64 } @finch.gen.load(ptr %t481, { ptr, i64, i64 } { ptr @.str.5589, i64 17, i64 0 }, { ptr, i64, i64 } %t482)
-  %t484 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t483, 0
-  %t485 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5590, i64 3, i64 0 })
-  %t486 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t485)
-  %t487 = insertvalue %S.gen.Val %t484, %S.ast.Type %t486, 1
-  %t488 = insertvalue %S.gen.Val %t487, i1 true, 2
-  ret %S.gen.Val %t488
-endif8184:
-  %t489 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t489, ptr %a490
-  store { ptr, i64, i64 } { ptr @.str.5591, i64 6, i64 0 }, ptr %a491
-  %t492 = call i32 @finch_str_eq(ptr %a490, ptr %a491)
-  %t493 = icmp ne i32 %t492, 0
-  br i1 %t493, label %then8187, label %endif8189
-then8187:
-  %t494 = load ptr, ptr %a1
-  %t495 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t494, %S.ast.Node %t495, i64 1)
-  %t496 = load ptr, ptr %a1
-  %t497 = load ptr, ptr %a1
-  %t498 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t499 = load { ptr, i64, i64 }, ptr %t498
-  %t500 = extractvalue { ptr, i64, i64 } %t499, 1
-  %t501 = icmp uge i64 1, %t500
-  br i1 %t501, label %range8190, label %inrange8191
-range8190:
-  call void @finch_panic_index(ptr @.str.5592, i64 5014, i64 1, i64 %t500)
+inrange8636:
+  %t436 = extractvalue { ptr, i64, i64 } %t433, 0
+  %t437 = getelementptr inbounds %S.ast.Node, ptr %t436, i64 1
+  %t438 = load %S.ast.Node, ptr %t437
+  %t439 = call %S.gen.Val @finch.gen.strArg(ptr %t431, %S.ast.Node %t438, { ptr, i64, i64 } { ptr @.str.5783, i64 19, i64 0 })
+  store %S.gen.Val %t439, ptr %a440
+  %t441 = load ptr, ptr %a1
+  %t442 = icmp eq ptr %t441, null
+  br i1 %t442, label %panic8637, label %ok8638
+panic8637:
+  call void @finch_panic(ptr @.str.5784, i64 5421, ptr @.str.5785)
   unreachable
-inrange8191:
-  %t502 = extractvalue { ptr, i64, i64 } %t499, 0
-  %t503 = getelementptr inbounds %S.ast.Node, ptr %t502, i64 1
-  %t504 = load %S.ast.Node, ptr %t503
-  %t505 = call %S.gen.Val @finch.gen.expr(ptr %t497, %S.ast.Node %t504)
-  %t506 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5593, i64 3, i64 0 })
-  %t507 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
-  %t508 = load { ptr, i64, i64 }, ptr %t507
-  %t509 = extractvalue { ptr, i64, i64 } %t508, 1
-  %t510 = icmp uge i64 1, %t509
-  br i1 %t510, label %range8192, label %inrange8193
-range8192:
-  call void @finch_panic_index(ptr @.str.5594, i64 5014, i64 1, i64 %t509)
+ok8638:
+  %t443 = getelementptr inbounds %S.gen.Gen, ptr %t441, i32 0, i32 11
+  %t444 = getelementptr inbounds { ptr, i64, i64 }, ptr %t443, i32 0, i32 1
+  %t445 = load i64, ptr %t444
+  store i64 %t445, ptr %a446
+  %t447 = load ptr, ptr %a1
+  %t448 = load %S.gen.Val, ptr %a440
+  call void @finch.gen.hold(ptr %t447, %S.gen.Val %t448)
+  %t449 = load ptr, ptr %a1
+  %t450 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t451 = load { ptr, i64, i64 }, ptr %t450
+  %t452 = extractvalue { ptr, i64, i64 } %t451, 1
+  %t453 = icmp uge i64 2, %t452
+  br i1 %t453, label %range8639, label %inrange8640
+range8639:
+  call void @finch_panic_index(ptr @.str.5786, i64 5423, i64 2, i64 %t452)
   unreachable
-inrange8193:
-  %t511 = extractvalue { ptr, i64, i64 } %t508, 0
-  %t512 = getelementptr inbounds %S.ast.Node, ptr %t511, i64 1
-  %t513 = load %S.ast.Node, ptr %t512
-  %t514 = call %S.gen.Val @finch.gen.coerce(ptr %t496, %S.gen.Val %t505, %S.ast.Type %t506, %S.ast.Node %t513, { ptr, i64, i64 } { ptr @.str.5595, i64 9, i64 0 })
-  %t515 = extractvalue %S.gen.Val %t514, 0
-  store { ptr, i64, i64 } %t515, ptr %a516
-  call void @finch_str_copy(ptr %a517, ptr %a516)
-  %t518 = load { ptr, i64, i64 }, ptr %a517
-  store { ptr, i64, i64 } %t518, ptr %a519
-  %t520 = load ptr, ptr %a1
-  %t521 = load { ptr, i64, i64 }, ptr %a12
-  store { ptr, i64, i64 } { ptr @.str.5596, i64 32, i64 0 }, ptr %a523
-  store { ptr, i64, i64 } %t521, ptr %a524
-  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
-  %t525 = load { ptr, i64, i64 }, ptr %a522
-  store { ptr, i64, i64 } %t525, ptr %a527
-  store { ptr, i64, i64 } { ptr @.str.5597, i64 6, i64 0 }, ptr %a528
-  call void @finch_str_concat(ptr %a526, ptr %a527, ptr %a528)
-  %t529 = load { ptr, i64, i64 }, ptr %a526
-  %t530 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t529, ptr %a532
-  store { ptr, i64, i64 } %t530, ptr %a533
-  call void @finch_str_concat(ptr %a531, ptr %a532, ptr %a533)
-  %t534 = load { ptr, i64, i64 }, ptr %a531
-  store { ptr, i64, i64 } %t534, ptr %a536
-  store { ptr, i64, i64 } { ptr @.str.5598, i64 6, i64 0 }, ptr %a537
-  call void @finch_str_concat(ptr %a535, ptr %a536, ptr %a537)
-  %t538 = load { ptr, i64, i64 }, ptr %a535
-  %t539 = load { ptr, i64, i64 }, ptr %a519
-  store { ptr, i64, i64 } %t538, ptr %a541
-  store { ptr, i64, i64 } %t539, ptr %a542
-  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
-  %t543 = load { ptr, i64, i64 }, ptr %a540
-  store { ptr, i64, i64 } %t543, ptr %a545
-  store { ptr, i64, i64 } { ptr @.str.5599, i64 1, i64 0 }, ptr %a546
-  call void @finch_str_concat(ptr %a544, ptr %a545, ptr %a546)
-  %t547 = load { ptr, i64, i64 }, ptr %a544
-  call void @finch.gen.emit(ptr %t520, { ptr, i64, i64 } %t547)
-  %t548 = load ptr, ptr %a1
-  %t549 = load { ptr, i64, i64 }, ptr %a12
-  %t550 = call { ptr, i64, i64 } @finch.gen.load(ptr %t548, { ptr, i64, i64 } { ptr @.str.5600, i64 17, i64 0 }, { ptr, i64, i64 } %t549)
-  %t551 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t550, 0
-  %t552 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5601, i64 3, i64 0 })
-  %t553 = insertvalue %S.gen.Val %t551, %S.ast.Type %t552, 1
-  %t554 = insertvalue %S.gen.Val %t553, i1 true, 2
-  ret %S.gen.Val %t554
-endif8189:
-  %t555 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t555, ptr %a556
-  store { ptr, i64, i64 } { ptr @.str.5602, i64 5, i64 0 }, ptr %a557
-  %t558 = call i32 @finch_str_eq(ptr %a556, ptr %a557)
-  %t559 = icmp ne i32 %t558, 0
-  br i1 %t559, label %then8194, label %endif8196
-then8194:
-  %t560 = load ptr, ptr %a1
-  %t561 = load %S.ast.Node, ptr %a2
-  call void @finch.gen.need(ptr %t560, %S.ast.Node %t561, i64 0)
-  %t562 = load ptr, ptr %a1
-  %t563 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t562)
-  store { ptr, i64, i64 } %t563, ptr %a564
-  %t565 = load ptr, ptr %a1
-  %t566 = load { ptr, i64, i64 }, ptr %a564
-  store { ptr, i64, i64 } { ptr @.str.5603, i64 36, i64 0 }, ptr %a568
-  store { ptr, i64, i64 } %t566, ptr %a569
-  call void @finch_str_concat(ptr %a567, ptr %a568, ptr %a569)
-  %t570 = load { ptr, i64, i64 }, ptr %a567
-  store { ptr, i64, i64 } %t570, ptr %a572
-  store { ptr, i64, i64 } { ptr @.str.5604, i64 6, i64 0 }, ptr %a573
-  call void @finch_str_concat(ptr %a571, ptr %a572, ptr %a573)
-  %t574 = load { ptr, i64, i64 }, ptr %a571
-  %t575 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t574, ptr %a577
-  store { ptr, i64, i64 } %t575, ptr %a578
-  call void @finch_str_concat(ptr %a576, ptr %a577, ptr %a578)
-  %t579 = load { ptr, i64, i64 }, ptr %a576
-  store { ptr, i64, i64 } %t579, ptr %a581
-  store { ptr, i64, i64 } { ptr @.str.5605, i64 1, i64 0 }, ptr %a582
-  call void @finch_str_concat(ptr %a580, ptr %a581, ptr %a582)
-  %t583 = load { ptr, i64, i64 }, ptr %a580
-  call void @finch.gen.emit(ptr %t565, { ptr, i64, i64 } %t583)
-  %t584 = load ptr, ptr %a1
-  %t585 = load { ptr, i64, i64 }, ptr %a564
-  %t586 = call { ptr, i64, i64 } @finch.gen.load(ptr %t584, { ptr, i64, i64 } { ptr @.str.5606, i64 17, i64 0 }, { ptr, i64, i64 } %t585)
-  %t587 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t586, 0
-  %t588 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5607, i64 2, i64 0 })
-  %t589 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t588)
-  %t590 = insertvalue %S.gen.Val %t587, %S.ast.Type %t589, 1
-  %t591 = insertvalue %S.gen.Val %t590, i1 true, 2
-  ret %S.gen.Val %t591
-endif8196:
-  %t592 = load ptr, ptr %a1
-  %t593 = load %S.ast.Node, ptr %a2
+inrange8640:
+  %t454 = extractvalue { ptr, i64, i64 } %t451, 0
+  %t455 = getelementptr inbounds %S.ast.Node, ptr %t454, i64 2
+  %t456 = load %S.ast.Node, ptr %t455
+  %t457 = call %S.gen.Val @finch.gen.strArg(ptr %t449, %S.ast.Node %t456, { ptr, i64, i64 } { ptr @.str.5787, i64 12, i64 0 })
+  store %S.gen.Val %t457, ptr %a458
+  %t459 = load ptr, ptr %a1
+  %t460 = load i64, ptr %a446
+  call void @finch.gen.heldEnd(ptr %t459, i64 %t460)
+  %t461 = load ptr, ptr %a1
+  %t462 = load %S.gen.Val, ptr %a440
+  %t463 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t461, %S.gen.Val %t462)
+  store { ptr, i64, i64 } %t463, ptr %a464
+  %t465 = load ptr, ptr %a1
+  %t466 = load %S.gen.Val, ptr %a458
+  %t467 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t465, %S.gen.Val %t466)
+  store { ptr, i64, i64 } %t467, ptr %a468
+  %t469 = load ptr, ptr %a1
+  %t470 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.5788, i64 33, i64 0 }, ptr %a472
+  store { ptr, i64, i64 } %t470, ptr %a473
+  call void @finch_str_concat(ptr %a471, ptr %a472, ptr %a473)
+  %t474 = load { ptr, i64, i64 }, ptr %a471
+  store { ptr, i64, i64 } %t474, ptr %a476
+  store { ptr, i64, i64 } { ptr @.str.5789, i64 6, i64 0 }, ptr %a477
+  call void @finch_str_concat(ptr %a475, ptr %a476, ptr %a477)
+  store { ptr, i64, i64 } %t474, ptr %a478
+  call void @finch_str_drop(ptr %a478)
+  %t479 = load { ptr, i64, i64 }, ptr %a475
+  %t480 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t479, ptr %a482
+  store { ptr, i64, i64 } %t480, ptr %a483
+  call void @finch_str_concat(ptr %a481, ptr %a482, ptr %a483)
+  store { ptr, i64, i64 } %t479, ptr %a484
+  call void @finch_str_drop(ptr %a484)
+  %t485 = load { ptr, i64, i64 }, ptr %a481
+  store { ptr, i64, i64 } %t485, ptr %a487
+  store { ptr, i64, i64 } { ptr @.str.5790, i64 6, i64 0 }, ptr %a488
+  call void @finch_str_concat(ptr %a486, ptr %a487, ptr %a488)
+  store { ptr, i64, i64 } %t485, ptr %a489
+  call void @finch_str_drop(ptr %a489)
+  %t490 = load { ptr, i64, i64 }, ptr %a486
+  %t491 = load { ptr, i64, i64 }, ptr %a464
+  store { ptr, i64, i64 } %t490, ptr %a493
+  store { ptr, i64, i64 } %t491, ptr %a494
+  call void @finch_str_concat(ptr %a492, ptr %a493, ptr %a494)
+  store { ptr, i64, i64 } %t490, ptr %a495
+  call void @finch_str_drop(ptr %a495)
+  %t496 = load { ptr, i64, i64 }, ptr %a492
+  store { ptr, i64, i64 } %t496, ptr %a498
+  store { ptr, i64, i64 } { ptr @.str.5791, i64 6, i64 0 }, ptr %a499
+  call void @finch_str_concat(ptr %a497, ptr %a498, ptr %a499)
+  store { ptr, i64, i64 } %t496, ptr %a500
+  call void @finch_str_drop(ptr %a500)
+  %t501 = load { ptr, i64, i64 }, ptr %a497
+  %t502 = load { ptr, i64, i64 }, ptr %a468
+  store { ptr, i64, i64 } %t501, ptr %a504
+  store { ptr, i64, i64 } %t502, ptr %a505
+  call void @finch_str_concat(ptr %a503, ptr %a504, ptr %a505)
+  store { ptr, i64, i64 } %t501, ptr %a506
+  call void @finch_str_drop(ptr %a506)
+  %t507 = load { ptr, i64, i64 }, ptr %a503
+  store { ptr, i64, i64 } %t507, ptr %a509
+  store { ptr, i64, i64 } { ptr @.str.5792, i64 1, i64 0 }, ptr %a510
+  call void @finch_str_concat(ptr %a508, ptr %a509, ptr %a510)
+  store { ptr, i64, i64 } %t507, ptr %a511
+  call void @finch_str_drop(ptr %a511)
+  %t512 = load { ptr, i64, i64 }, ptr %a508
+  call void @finch.gen.emit(ptr %t469, { ptr, i64, i64 } %t512)
+  store { ptr, i64, i64 } %t512, ptr %a513
+  call void @finch_str_drop(ptr %a513)
+  %t514 = load ptr, ptr %a1
+  %t515 = load %S.gen.Val, ptr %a440
+  call void @finch.gen.release(ptr %t514, %S.gen.Val %t515)
+  %t516 = load ptr, ptr %a1
+  %t517 = load %S.gen.Val, ptr %a458
+  call void @finch.gen.release(ptr %t516, %S.gen.Val %t517)
+  %t518 = load ptr, ptr %a1
+  %t519 = load { ptr, i64, i64 }, ptr %a12
+  %t520 = call { ptr, i64, i64 } @finch.gen.load(ptr %t518, { ptr, i64, i64 } { ptr @.str.5793, i64 17, i64 0 }, { ptr, i64, i64 } %t519)
+  %t521 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t520, 0
+  %t522 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5794, i64 3, i64 0 })
+  %t523 = insertvalue %S.gen.Val %t521, %S.ast.Type %t522, 1
+  %t524 = insertvalue %S.gen.Val %t523, i1 true, 2
+  call void @finch_str_drop(ptr %a468)
+  call void @finch_str_drop(ptr %a464)
+  call void @finch.drop.S_gen_Val(ptr %a458)
+  call void @finch.drop.S_gen_Val(ptr %a440)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t524
+endif8634:
+  %t525 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t525, ptr %a526
+  store { ptr, i64, i64 } { ptr @.str.5795, i64 5, i64 0 }, ptr %a527
+  %t528 = call i32 @finch_str_eq(ptr %a526, ptr %a527)
+  %t529 = icmp ne i32 %t528, 0
+  br i1 %t529, label %then8641, label %endif8643
+then8641:
+  %t530 = load ptr, ptr %a1
+  %t531 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t530, %S.ast.Node %t531, i64 1)
+  %t532 = load ptr, ptr %a1
+  %t533 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t534 = load { ptr, i64, i64 }, ptr %t533
+  %t535 = extractvalue { ptr, i64, i64 } %t534, 1
+  %t536 = icmp uge i64 1, %t535
+  br i1 %t536, label %range8644, label %inrange8645
+range8644:
+  call void @finch_panic_index(ptr @.str.5796, i64 5434, i64 1, i64 %t535)
+  unreachable
+inrange8645:
+  %t537 = extractvalue { ptr, i64, i64 } %t534, 0
+  %t538 = getelementptr inbounds %S.ast.Node, ptr %t537, i64 1
+  %t539 = load %S.ast.Node, ptr %t538
+  %t540 = call %S.gen.Val @finch.gen.strArg(ptr %t532, %S.ast.Node %t539, { ptr, i64, i64 } { ptr @.str.5797, i64 13, i64 0 })
+  store %S.gen.Val %t540, ptr %a541
+  %t542 = load ptr, ptr %a1
+  %t543 = load %S.gen.Val, ptr %a541
+  %t544 = call { ptr, i64, i64 } @finch.gen.spill(ptr %t542, %S.gen.Val %t543)
+  store { ptr, i64, i64 } %t544, ptr %a545
+  %t546 = load ptr, ptr %a1
+  %t547 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t546)
+  store { ptr, i64, i64 } %t547, ptr %a548
+  %t549 = load ptr, ptr %a1
+  %t550 = load { ptr, i64, i64 }, ptr %a548
+  store { ptr, i64, i64 } { ptr @.str.5798, i64 31, i64 0 }, ptr %a552
+  store { ptr, i64, i64 } %t550, ptr %a553
+  call void @finch_str_concat(ptr %a551, ptr %a552, ptr %a553)
+  %t554 = load { ptr, i64, i64 }, ptr %a551
+  store { ptr, i64, i64 } %t554, ptr %a556
+  store { ptr, i64, i64 } { ptr @.str.5799, i64 6, i64 0 }, ptr %a557
+  call void @finch_str_concat(ptr %a555, ptr %a556, ptr %a557)
+  store { ptr, i64, i64 } %t554, ptr %a558
+  call void @finch_str_drop(ptr %a558)
+  %t559 = load { ptr, i64, i64 }, ptr %a555
+  %t560 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t559, ptr %a562
+  store { ptr, i64, i64 } %t560, ptr %a563
+  call void @finch_str_concat(ptr %a561, ptr %a562, ptr %a563)
+  store { ptr, i64, i64 } %t559, ptr %a564
+  call void @finch_str_drop(ptr %a564)
+  %t565 = load { ptr, i64, i64 }, ptr %a561
+  store { ptr, i64, i64 } %t565, ptr %a567
+  store { ptr, i64, i64 } { ptr @.str.5800, i64 6, i64 0 }, ptr %a568
+  call void @finch_str_concat(ptr %a566, ptr %a567, ptr %a568)
+  store { ptr, i64, i64 } %t565, ptr %a569
+  call void @finch_str_drop(ptr %a569)
+  %t570 = load { ptr, i64, i64 }, ptr %a566
+  %t571 = load { ptr, i64, i64 }, ptr %a545
+  store { ptr, i64, i64 } %t570, ptr %a573
+  store { ptr, i64, i64 } %t571, ptr %a574
+  call void @finch_str_concat(ptr %a572, ptr %a573, ptr %a574)
+  store { ptr, i64, i64 } %t570, ptr %a575
+  call void @finch_str_drop(ptr %a575)
+  %t576 = load { ptr, i64, i64 }, ptr %a572
+  store { ptr, i64, i64 } %t576, ptr %a578
+  store { ptr, i64, i64 } { ptr @.str.5801, i64 1, i64 0 }, ptr %a579
+  call void @finch_str_concat(ptr %a577, ptr %a578, ptr %a579)
+  store { ptr, i64, i64 } %t576, ptr %a580
+  call void @finch_str_drop(ptr %a580)
+  %t581 = load { ptr, i64, i64 }, ptr %a577
+  call void @finch.gen.emit(ptr %t549, { ptr, i64, i64 } %t581)
+  store { ptr, i64, i64 } %t581, ptr %a582
+  call void @finch_str_drop(ptr %a582)
+  %t583 = load ptr, ptr %a1
+  %t584 = load %S.gen.Val, ptr %a541
+  call void @finch.gen.release(ptr %t583, %S.gen.Val %t584)
+  %t585 = load ptr, ptr %a1
+  %t586 = load { ptr, i64, i64 }, ptr %a548
+  %t587 = call { ptr, i64, i64 } @finch.gen.load(ptr %t585, { ptr, i64, i64 } { ptr @.str.5802, i64 17, i64 0 }, { ptr, i64, i64 } %t586)
+  %t588 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t587, 0
+  %t589 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5803, i64 3, i64 0 })
+  %t590 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t589)
+  store %S.ast.Type %t589, ptr %a591
+  call void @finch.drop.S_ast_Type(ptr %a591)
+  %t592 = insertvalue %S.gen.Val %t588, %S.ast.Type %t590, 1
+  %t593 = insertvalue %S.gen.Val %t592, i1 true, 2
+  call void @finch_str_drop(ptr %a548)
+  call void @finch_str_drop(ptr %a545)
+  call void @finch.drop.S_gen_Val(ptr %a541)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t593
+endif8643:
   %t594 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5608, i64 21, i64 0 }, ptr %a596
-  store { ptr, i64, i64 } %t594, ptr %a597
-  call void @finch_str_concat(ptr %a595, ptr %a596, ptr %a597)
-  %t598 = load { ptr, i64, i64 }, ptr %a595
-  store { ptr, i64, i64 } %t598, ptr %a600
-  store { ptr, i64, i64 } { ptr @.str.5609, i64 106, i64 0 }, ptr %a601
-  call void @finch_str_concat(ptr %a599, ptr %a600, ptr %a601)
-  %t602 = load { ptr, i64, i64 }, ptr %a599
-  call void @finch.gen.fail(ptr %t592, %S.ast.Node %t593, { ptr, i64, i64 } %t602)
+  store { ptr, i64, i64 } %t594, ptr %a595
+  store { ptr, i64, i64 } { ptr @.str.5804, i64 6, i64 0 }, ptr %a596
+  %t597 = call i32 @finch_str_eq(ptr %a595, ptr %a596)
+  %t598 = icmp ne i32 %t597, 0
+  br i1 %t598, label %then8646, label %endif8648
+then8646:
+  %t599 = load ptr, ptr %a1
+  %t600 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t599, %S.ast.Node %t600, i64 1)
+  %t601 = load ptr, ptr %a1
+  %t602 = load ptr, ptr %a1
+  %t603 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t604 = load { ptr, i64, i64 }, ptr %t603
+  %t605 = extractvalue { ptr, i64, i64 } %t604, 1
+  %t606 = icmp uge i64 1, %t605
+  br i1 %t606, label %range8649, label %inrange8650
+range8649:
+  call void @finch_panic_index(ptr @.str.5805, i64 5443, i64 1, i64 %t605)
+  unreachable
+inrange8650:
+  %t607 = extractvalue { ptr, i64, i64 } %t604, 0
+  %t608 = getelementptr inbounds %S.ast.Node, ptr %t607, i64 1
+  %t609 = load %S.ast.Node, ptr %t608
+  %t610 = call %S.gen.Val @finch.gen.expr(ptr %t602, %S.ast.Node %t609)
+  %t611 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5806, i64 3, i64 0 })
+  %t612 = getelementptr inbounds %S.ast.Node, ptr %a2, i32 0, i32 9
+  %t613 = load { ptr, i64, i64 }, ptr %t612
+  %t614 = extractvalue { ptr, i64, i64 } %t613, 1
+  %t615 = icmp uge i64 1, %t614
+  br i1 %t615, label %range8651, label %inrange8652
+range8651:
+  call void @finch_panic_index(ptr @.str.5807, i64 5443, i64 1, i64 %t614)
+  unreachable
+inrange8652:
+  %t616 = extractvalue { ptr, i64, i64 } %t613, 0
+  %t617 = getelementptr inbounds %S.ast.Node, ptr %t616, i64 1
+  %t618 = load %S.ast.Node, ptr %t617
+  %t619 = call %S.gen.Val @finch.gen.coerce(ptr %t601, %S.gen.Val %t610, %S.ast.Type %t611, %S.ast.Node %t618, { ptr, i64, i64 } { ptr @.str.5808, i64 9, i64 0 })
+  store %S.gen.Val %t610, ptr %a620
+  call void @finch.drop.S_gen_Val(ptr %a620)
+  store %S.ast.Type %t611, ptr %a621
+  call void @finch.drop.S_ast_Type(ptr %a621)
+  %t622 = extractvalue %S.gen.Val %t619, 0
+  store { ptr, i64, i64 } %t622, ptr %a623
+  call void @finch_str_copy(ptr %a624, ptr %a623)
+  %t625 = load { ptr, i64, i64 }, ptr %a624
+  store %S.gen.Val %t619, ptr %a626
+  call void @finch.drop.S_gen_Val(ptr %a626)
+  store { ptr, i64, i64 } %t625, ptr %a627
+  %t628 = load ptr, ptr %a1
+  %t629 = load { ptr, i64, i64 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.5809, i64 32, i64 0 }, ptr %a631
+  store { ptr, i64, i64 } %t629, ptr %a632
+  call void @finch_str_concat(ptr %a630, ptr %a631, ptr %a632)
+  %t633 = load { ptr, i64, i64 }, ptr %a630
+  store { ptr, i64, i64 } %t633, ptr %a635
+  store { ptr, i64, i64 } { ptr @.str.5810, i64 6, i64 0 }, ptr %a636
+  call void @finch_str_concat(ptr %a634, ptr %a635, ptr %a636)
+  store { ptr, i64, i64 } %t633, ptr %a637
+  call void @finch_str_drop(ptr %a637)
+  %t638 = load { ptr, i64, i64 }, ptr %a634
+  %t639 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t638, ptr %a641
+  store { ptr, i64, i64 } %t639, ptr %a642
+  call void @finch_str_concat(ptr %a640, ptr %a641, ptr %a642)
+  store { ptr, i64, i64 } %t638, ptr %a643
+  call void @finch_str_drop(ptr %a643)
+  %t644 = load { ptr, i64, i64 }, ptr %a640
+  store { ptr, i64, i64 } %t644, ptr %a646
+  store { ptr, i64, i64 } { ptr @.str.5811, i64 6, i64 0 }, ptr %a647
+  call void @finch_str_concat(ptr %a645, ptr %a646, ptr %a647)
+  store { ptr, i64, i64 } %t644, ptr %a648
+  call void @finch_str_drop(ptr %a648)
+  %t649 = load { ptr, i64, i64 }, ptr %a645
+  %t650 = load { ptr, i64, i64 }, ptr %a627
+  store { ptr, i64, i64 } %t649, ptr %a652
+  store { ptr, i64, i64 } %t650, ptr %a653
+  call void @finch_str_concat(ptr %a651, ptr %a652, ptr %a653)
+  store { ptr, i64, i64 } %t649, ptr %a654
+  call void @finch_str_drop(ptr %a654)
+  %t655 = load { ptr, i64, i64 }, ptr %a651
+  store { ptr, i64, i64 } %t655, ptr %a657
+  store { ptr, i64, i64 } { ptr @.str.5812, i64 1, i64 0 }, ptr %a658
+  call void @finch_str_concat(ptr %a656, ptr %a657, ptr %a658)
+  store { ptr, i64, i64 } %t655, ptr %a659
+  call void @finch_str_drop(ptr %a659)
+  %t660 = load { ptr, i64, i64 }, ptr %a656
+  call void @finch.gen.emit(ptr %t628, { ptr, i64, i64 } %t660)
+  store { ptr, i64, i64 } %t660, ptr %a661
+  call void @finch_str_drop(ptr %a661)
+  %t662 = load ptr, ptr %a1
+  %t663 = load { ptr, i64, i64 }, ptr %a12
+  %t664 = call { ptr, i64, i64 } @finch.gen.load(ptr %t662, { ptr, i64, i64 } { ptr @.str.5813, i64 17, i64 0 }, { ptr, i64, i64 } %t663)
+  %t665 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t664, 0
+  %t666 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5814, i64 3, i64 0 })
+  %t667 = insertvalue %S.gen.Val %t665, %S.ast.Type %t666, 1
+  %t668 = insertvalue %S.gen.Val %t667, i1 true, 2
+  call void @finch_str_drop(ptr %a627)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t668
+endif8648:
+  %t669 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t669, ptr %a670
+  store { ptr, i64, i64 } { ptr @.str.5815, i64 5, i64 0 }, ptr %a671
+  %t672 = call i32 @finch_str_eq(ptr %a670, ptr %a671)
+  %t673 = icmp ne i32 %t672, 0
+  br i1 %t673, label %then8653, label %endif8655
+then8653:
+  %t674 = load ptr, ptr %a1
+  %t675 = load %S.ast.Node, ptr %a2
+  call void @finch.gen.need(ptr %t674, %S.ast.Node %t675, i64 0)
+  %t676 = load ptr, ptr %a1
+  %t677 = call { ptr, i64, i64 } @finch.gen.strOut(ptr %t676)
+  store { ptr, i64, i64 } %t677, ptr %a678
+  %t679 = load ptr, ptr %a1
+  %t680 = load { ptr, i64, i64 }, ptr %a678
+  store { ptr, i64, i64 } { ptr @.str.5816, i64 36, i64 0 }, ptr %a682
+  store { ptr, i64, i64 } %t680, ptr %a683
+  call void @finch_str_concat(ptr %a681, ptr %a682, ptr %a683)
+  %t684 = load { ptr, i64, i64 }, ptr %a681
+  store { ptr, i64, i64 } %t684, ptr %a686
+  store { ptr, i64, i64 } { ptr @.str.5817, i64 6, i64 0 }, ptr %a687
+  call void @finch_str_concat(ptr %a685, ptr %a686, ptr %a687)
+  store { ptr, i64, i64 } %t684, ptr %a688
+  call void @finch_str_drop(ptr %a688)
+  %t689 = load { ptr, i64, i64 }, ptr %a685
+  %t690 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t689, ptr %a692
+  store { ptr, i64, i64 } %t690, ptr %a693
+  call void @finch_str_concat(ptr %a691, ptr %a692, ptr %a693)
+  store { ptr, i64, i64 } %t689, ptr %a694
+  call void @finch_str_drop(ptr %a694)
+  %t695 = load { ptr, i64, i64 }, ptr %a691
+  store { ptr, i64, i64 } %t695, ptr %a697
+  store { ptr, i64, i64 } { ptr @.str.5818, i64 1, i64 0 }, ptr %a698
+  call void @finch_str_concat(ptr %a696, ptr %a697, ptr %a698)
+  store { ptr, i64, i64 } %t695, ptr %a699
+  call void @finch_str_drop(ptr %a699)
+  %t700 = load { ptr, i64, i64 }, ptr %a696
+  call void @finch.gen.emit(ptr %t679, { ptr, i64, i64 } %t700)
+  store { ptr, i64, i64 } %t700, ptr %a701
+  call void @finch_str_drop(ptr %a701)
+  %t702 = load ptr, ptr %a1
+  %t703 = load { ptr, i64, i64 }, ptr %a678
+  %t704 = call { ptr, i64, i64 } @finch.gen.load(ptr %t702, { ptr, i64, i64 } { ptr @.str.5819, i64 17, i64 0 }, { ptr, i64, i64 } %t703)
+  %t705 = insertvalue %S.gen.Val zeroinitializer, { ptr, i64, i64 } %t704, 0
+  %t706 = call %S.ast.Type @finch.gen.T({ ptr, i64, i64 } { ptr @.str.5820, i64 2, i64 0 })
+  %t707 = call %S.ast.Type @finch.ast.arrayOf(%S.ast.Type %t706)
+  store %S.ast.Type %t706, ptr %a708
+  call void @finch.drop.S_ast_Type(ptr %a708)
+  %t709 = insertvalue %S.gen.Val %t705, %S.ast.Type %t707, 1
+  %t710 = insertvalue %S.gen.Val %t709, i1 true, 2
+  call void @finch_str_drop(ptr %a678)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.gen.Val %t710
+endif8655:
+  %t711 = load ptr, ptr %a1
+  %t712 = load %S.ast.Node, ptr %a2
+  %t713 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.5821, i64 21, i64 0 }, ptr %a715
+  store { ptr, i64, i64 } %t713, ptr %a716
+  call void @finch_str_concat(ptr %a714, ptr %a715, ptr %a716)
+  %t717 = load { ptr, i64, i64 }, ptr %a714
+  store { ptr, i64, i64 } %t717, ptr %a719
+  store { ptr, i64, i64 } { ptr @.str.5822, i64 106, i64 0 }, ptr %a720
+  call void @finch_str_concat(ptr %a718, ptr %a719, ptr %a720)
+  store { ptr, i64, i64 } %t717, ptr %a721
+  call void @finch_str_drop(ptr %a721)
+  %t722 = load { ptr, i64, i64 }, ptr %a718
+  call void @finch.gen.fail(ptr %t711, %S.ast.Node %t712, { ptr, i64, i64 } %t722)
+  store { ptr, i64, i64 } %t722, ptr %a723
+  call void @finch_str_drop(ptr %a723)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a12)
+  call void @finch_str_drop(ptr %a9)
   ret %S.gen.Val zeroinitializer
 }
 
 define internal { ptr, i64, i64 } @finch.gen.runtimeDecls() {
 entry:
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
-  %t1 = mul i64 71, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %t1 = mul i64 74, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t2 = call ptr @finch_alloc(i64 %t1)
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5610, i64 54, i64 0 }, ptr %t3
+  store { ptr, i64, i64 } { ptr @.str.5823, i64 54, i64 0 }, ptr %t3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5611, i64 65, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.5824, i64 65, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5612, i64 29, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.5825, i64 29, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5613, i64 38, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.5826, i64 38, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5614, i64 32, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.5827, i64 33, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5615, i64 45, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.5828, i64 33, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5616, i64 35, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.5829, i64 33, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5617, i64 36, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.5830, i64 32, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 8
-  store { ptr, i64, i64 } { ptr @.str.5618, i64 42, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.5831, i64 45, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 9
-  store { ptr, i64, i64 } { ptr @.str.5619, i64 37, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.5832, i64 35, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 10
-  store { ptr, i64, i64 } { ptr @.str.5620, i64 38, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.5833, i64 36, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 11
-  store { ptr, i64, i64 } { ptr @.str.5621, i64 42, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.5834, i64 42, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 12
-  store { ptr, i64, i64 } { ptr @.str.5622, i64 38, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.5835, i64 37, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 13
-  store { ptr, i64, i64 } { ptr @.str.5623, i64 37, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.5836, i64 38, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 14
-  store { ptr, i64, i64 } { ptr @.str.5624, i64 42, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.5837, i64 42, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 15
-  store { ptr, i64, i64 } { ptr @.str.5625, i64 42, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.5838, i64 38, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 16
-  store { ptr, i64, i64 } { ptr @.str.5626, i64 34, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.5839, i64 37, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 17
-  store { ptr, i64, i64 } { ptr @.str.5627, i64 42, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.5840, i64 42, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 18
-  store { ptr, i64, i64 } { ptr @.str.5628, i64 43, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.5841, i64 42, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 19
-  store { ptr, i64, i64 } { ptr @.str.5629, i64 47, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.5842, i64 34, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 20
-  store { ptr, i64, i64 } { ptr @.str.5630, i64 50, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.5843, i64 42, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 21
-  store { ptr, i64, i64 } { ptr @.str.5631, i64 43, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.5844, i64 43, i64 0 }, ptr %t24
   %t25 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 22
-  store { ptr, i64, i64 } { ptr @.str.5632, i64 44, i64 0 }, ptr %t25
+  store { ptr, i64, i64 } { ptr @.str.5845, i64 47, i64 0 }, ptr %t25
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 23
-  store { ptr, i64, i64 } { ptr @.str.5633, i64 49, i64 0 }, ptr %t26
+  store { ptr, i64, i64 } { ptr @.str.5846, i64 50, i64 0 }, ptr %t26
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 24
-  store { ptr, i64, i64 } { ptr @.str.5634, i64 57, i64 0 }, ptr %t27
+  store { ptr, i64, i64 } { ptr @.str.5847, i64 43, i64 0 }, ptr %t27
   %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 25
-  store { ptr, i64, i64 } { ptr @.str.5635, i64 37, i64 0 }, ptr %t28
+  store { ptr, i64, i64 } { ptr @.str.5848, i64 44, i64 0 }, ptr %t28
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 26
-  store { ptr, i64, i64 } { ptr @.str.5636, i64 39, i64 0 }, ptr %t29
+  store { ptr, i64, i64 } { ptr @.str.5849, i64 49, i64 0 }, ptr %t29
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 27
-  store { ptr, i64, i64 } { ptr @.str.5637, i64 37, i64 0 }, ptr %t30
+  store { ptr, i64, i64 } { ptr @.str.5850, i64 57, i64 0 }, ptr %t30
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 28
-  store { ptr, i64, i64 } { ptr @.str.5638, i64 38, i64 0 }, ptr %t31
+  store { ptr, i64, i64 } { ptr @.str.5851, i64 37, i64 0 }, ptr %t31
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 29
-  store { ptr, i64, i64 } { ptr @.str.5639, i64 39, i64 0 }, ptr %t32
+  store { ptr, i64, i64 } { ptr @.str.5852, i64 39, i64 0 }, ptr %t32
   %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 30
-  store { ptr, i64, i64 } { ptr @.str.5640, i64 39, i64 0 }, ptr %t33
+  store { ptr, i64, i64 } { ptr @.str.5853, i64 37, i64 0 }, ptr %t33
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 31
-  store { ptr, i64, i64 } { ptr @.str.5641, i64 51, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.5854, i64 38, i64 0 }, ptr %t34
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 32
-  store { ptr, i64, i64 } { ptr @.str.5642, i64 44, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.5855, i64 39, i64 0 }, ptr %t35
   %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 33
-  store { ptr, i64, i64 } { ptr @.str.5643, i64 43, i64 0 }, ptr %t36
+  store { ptr, i64, i64 } { ptr @.str.5856, i64 39, i64 0 }, ptr %t36
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 34
-  store { ptr, i64, i64 } { ptr @.str.5644, i64 45, i64 0 }, ptr %t37
+  store { ptr, i64, i64 } { ptr @.str.5857, i64 51, i64 0 }, ptr %t37
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 35
-  store { ptr, i64, i64 } { ptr @.str.5645, i64 44, i64 0 }, ptr %t38
+  store { ptr, i64, i64 } { ptr @.str.5858, i64 44, i64 0 }, ptr %t38
   %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 36
-  store { ptr, i64, i64 } { ptr @.str.5646, i64 52, i64 0 }, ptr %t39
+  store { ptr, i64, i64 } { ptr @.str.5859, i64 43, i64 0 }, ptr %t39
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 37
-  store { ptr, i64, i64 } { ptr @.str.5647, i64 57, i64 0 }, ptr %t40
+  store { ptr, i64, i64 } { ptr @.str.5860, i64 45, i64 0 }, ptr %t40
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 38
-  store { ptr, i64, i64 } { ptr @.str.5648, i64 48, i64 0 }, ptr %t41
+  store { ptr, i64, i64 } { ptr @.str.5861, i64 44, i64 0 }, ptr %t41
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 39
-  store { ptr, i64, i64 } { ptr @.str.5649, i64 34, i64 0 }, ptr %t42
+  store { ptr, i64, i64 } { ptr @.str.5862, i64 52, i64 0 }, ptr %t42
   %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 40
-  store { ptr, i64, i64 } { ptr @.str.5650, i64 48, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.5863, i64 57, i64 0 }, ptr %t43
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 41
-  store { ptr, i64, i64 } { ptr @.str.5651, i64 60, i64 0 }, ptr %t44
+  store { ptr, i64, i64 } { ptr @.str.5864, i64 48, i64 0 }, ptr %t44
   %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 42
-  store { ptr, i64, i64 } { ptr @.str.5652, i64 55, i64 0 }, ptr %t45
+  store { ptr, i64, i64 } { ptr @.str.5865, i64 34, i64 0 }, ptr %t45
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 43
-  store { ptr, i64, i64 } { ptr @.str.5653, i64 46, i64 0 }, ptr %t46
+  store { ptr, i64, i64 } { ptr @.str.5866, i64 48, i64 0 }, ptr %t46
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 44
-  store { ptr, i64, i64 } { ptr @.str.5654, i64 48, i64 0 }, ptr %t47
+  store { ptr, i64, i64 } { ptr @.str.5867, i64 60, i64 0 }, ptr %t47
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 45
-  store { ptr, i64, i64 } { ptr @.str.5655, i64 43, i64 0 }, ptr %t48
+  store { ptr, i64, i64 } { ptr @.str.5868, i64 55, i64 0 }, ptr %t48
   %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 46
-  store { ptr, i64, i64 } { ptr @.str.5656, i64 45, i64 0 }, ptr %t49
+  store { ptr, i64, i64 } { ptr @.str.5869, i64 46, i64 0 }, ptr %t49
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 47
-  store { ptr, i64, i64 } { ptr @.str.5657, i64 59, i64 0 }, ptr %t50
+  store { ptr, i64, i64 } { ptr @.str.5870, i64 48, i64 0 }, ptr %t50
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 48
-  store { ptr, i64, i64 } { ptr @.str.5658, i64 49, i64 0 }, ptr %t51
+  store { ptr, i64, i64 } { ptr @.str.5871, i64 43, i64 0 }, ptr %t51
   %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 49
-  store { ptr, i64, i64 } { ptr @.str.5659, i64 39, i64 0 }, ptr %t52
+  store { ptr, i64, i64 } { ptr @.str.5872, i64 45, i64 0 }, ptr %t52
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 50
-  store { ptr, i64, i64 } { ptr @.str.5660, i64 39, i64 0 }, ptr %t53
+  store { ptr, i64, i64 } { ptr @.str.5873, i64 59, i64 0 }, ptr %t53
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 51
-  store { ptr, i64, i64 } { ptr @.str.5661, i64 35, i64 0 }, ptr %t54
+  store { ptr, i64, i64 } { ptr @.str.5874, i64 49, i64 0 }, ptr %t54
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 52
-  store { ptr, i64, i64 } { ptr @.str.5662, i64 35, i64 0 }, ptr %t55
+  store { ptr, i64, i64 } { ptr @.str.5875, i64 39, i64 0 }, ptr %t55
   %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 53
-  store { ptr, i64, i64 } { ptr @.str.5663, i64 45, i64 0 }, ptr %t56
+  store { ptr, i64, i64 } { ptr @.str.5876, i64 39, i64 0 }, ptr %t56
   %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 54
-  store { ptr, i64, i64 } { ptr @.str.5664, i64 47, i64 0 }, ptr %t57
+  store { ptr, i64, i64 } { ptr @.str.5877, i64 35, i64 0 }, ptr %t57
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 55
-  store { ptr, i64, i64 } { ptr @.str.5665, i64 47, i64 0 }, ptr %t58
+  store { ptr, i64, i64 } { ptr @.str.5878, i64 35, i64 0 }, ptr %t58
   %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 56
-  store { ptr, i64, i64 } { ptr @.str.5666, i64 48, i64 0 }, ptr %t59
+  store { ptr, i64, i64 } { ptr @.str.5879, i64 45, i64 0 }, ptr %t59
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 57
-  store { ptr, i64, i64 } { ptr @.str.5667, i64 44, i64 0 }, ptr %t60
+  store { ptr, i64, i64 } { ptr @.str.5880, i64 47, i64 0 }, ptr %t60
   %t61 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 58
-  store { ptr, i64, i64 } { ptr @.str.5668, i64 37, i64 0 }, ptr %t61
+  store { ptr, i64, i64 } { ptr @.str.5881, i64 47, i64 0 }, ptr %t61
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 59
-  store { ptr, i64, i64 } { ptr @.str.5669, i64 49, i64 0 }, ptr %t62
+  store { ptr, i64, i64 } { ptr @.str.5882, i64 48, i64 0 }, ptr %t62
   %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 60
-  store { ptr, i64, i64 } { ptr @.str.5670, i64 39, i64 0 }, ptr %t63
+  store { ptr, i64, i64 } { ptr @.str.5883, i64 44, i64 0 }, ptr %t63
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 61
-  store { ptr, i64, i64 } { ptr @.str.5671, i64 29, i64 0 }, ptr %t64
+  store { ptr, i64, i64 } { ptr @.str.5884, i64 37, i64 0 }, ptr %t64
   %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 62
-  store { ptr, i64, i64 } { ptr @.str.5672, i64 35, i64 0 }, ptr %t65
+  store { ptr, i64, i64 } { ptr @.str.5885, i64 49, i64 0 }, ptr %t65
   %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 63
-  store { ptr, i64, i64 } { ptr @.str.5673, i64 29, i64 0 }, ptr %t66
+  store { ptr, i64, i64 } { ptr @.str.5886, i64 39, i64 0 }, ptr %t66
   %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 64
-  store { ptr, i64, i64 } { ptr @.str.5674, i64 24, i64 0 }, ptr %t67
+  store { ptr, i64, i64 } { ptr @.str.5887, i64 29, i64 0 }, ptr %t67
   %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 65
-  store { ptr, i64, i64 } { ptr @.str.5675, i64 40, i64 0 }, ptr %t68
+  store { ptr, i64, i64 } { ptr @.str.5888, i64 35, i64 0 }, ptr %t68
   %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 66
-  store { ptr, i64, i64 } { ptr @.str.5676, i64 33, i64 0 }, ptr %t69
+  store { ptr, i64, i64 } { ptr @.str.5889, i64 29, i64 0 }, ptr %t69
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 67
-  store { ptr, i64, i64 } { ptr @.str.5677, i64 34, i64 0 }, ptr %t70
+  store { ptr, i64, i64 } { ptr @.str.5890, i64 24, i64 0 }, ptr %t70
   %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 68
-  store { ptr, i64, i64 } { ptr @.str.5678, i64 44, i64 0 }, ptr %t71
+  store { ptr, i64, i64 } { ptr @.str.5891, i64 40, i64 0 }, ptr %t71
   %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 69
-  store { ptr, i64, i64 } { ptr @.str.5679, i64 32, i64 0 }, ptr %t72
+  store { ptr, i64, i64 } { ptr @.str.5892, i64 33, i64 0 }, ptr %t72
   %t73 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 70
-  store { ptr, i64, i64 } { ptr @.str.5680, i64 23, i64 0 }, ptr %t73
-  %t74 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
-  %t75 = insertvalue { ptr, i64, i64 } %t74, i64 71, 1
-  %t76 = insertvalue { ptr, i64, i64 } %t75, i64 71, 2
-  store { ptr, i64, i64 } %t76, ptr %a77
-  %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %a77, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5681, i64 1, i64 0 }, ptr %a79
-  call void @finch_str_join(ptr %a80, ptr %a77, ptr %a79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t81, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.5682, i64 1, i64 0 }, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  ret { ptr, i64, i64 } %t85
+  store { ptr, i64, i64 } { ptr @.str.5893, i64 34, i64 0 }, ptr %t73
+  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 71
+  store { ptr, i64, i64 } { ptr @.str.5894, i64 44, i64 0 }, ptr %t74
+  %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 72
+  store { ptr, i64, i64 } { ptr @.str.5895, i64 32, i64 0 }, ptr %t75
+  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 73
+  store { ptr, i64, i64 } { ptr @.str.5896, i64 23, i64 0 }, ptr %t76
+  %t77 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
+  %t78 = insertvalue { ptr, i64, i64 } %t77, i64 74, 1
+  %t79 = insertvalue { ptr, i64, i64 } %t78, i64 74, 2
+  store { ptr, i64, i64 } %t79, ptr %a80
+  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %a80, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5897, i64 1, i64 0 }, ptr %a82
+  call void @finch_str_join(ptr %a83, ptr %a80, ptr %a82)
+  %t84 = load { ptr, i64, i64 }, ptr %a83
+  store { ptr, i64, i64 } %t84, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.5898, i64 1, i64 0 }, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  call void @finch.drop.arr_str(ptr %a80)
+  ret { ptr, i64, i64 } %t89
 }
 
 define internal { ptr, i64, i64 } @finch.gen.assemble(ptr %p0) {
@@ -75757,177 +91129,222 @@ entry:
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a78 = alloca { ptr, i64, i64 }, align 16
   %a79 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.5683, i64 52, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.5899, i64 52, i64 0 }, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic8197, label %ok8198
-panic8197:
-  call void @finch_panic(ptr @.str.5684, i64 5109, ptr @.str.5685)
+  br i1 %t4, label %panic8656, label %ok8657
+panic8656:
+  call void @finch_panic(ptr @.str.5900, i64 5541, ptr @.str.5901)
   unreachable
-ok8198:
-  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 29
+ok8657:
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %t3, i32 0, i32 30
   %t6 = getelementptr inbounds %S.platform.Target, ptr %t5, i32 0, i32 5
   %t7 = load i1, ptr %t6
-  br i1 %t7, label %then8199, label %endif8201
-then8199:
+  br i1 %t7, label %then8658, label %endif8660
+then8658:
   %t8 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t8, ptr %a10
-  store { ptr, i64, i64 } { ptr @.str.5686, i64 17, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.5902, i64 17, i64 0 }, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic8202, label %ok8203
-panic8202:
-  call void @finch_panic(ptr @.str.5687, i64 5110, ptr @.str.5688)
+  br i1 %t14, label %panic8661, label %ok8662
+panic8661:
+  call void @finch_panic(ptr @.str.5903, i64 5542, ptr @.str.5904)
   unreachable
-ok8203:
-  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 29
+ok8662:
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %t13, i32 0, i32 30
   %t16 = getelementptr inbounds %S.platform.Target, ptr %t15, i32 0, i32 0
   %t17 = load { ptr, i64, i64 }, ptr %t16
   store { ptr, i64, i64 } %t12, ptr %a19
   store { ptr, i64, i64 } %t17, ptr %a20
   call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t21, ptr %a23
-  store { ptr, i64, i64 } { ptr @.str.5689, i64 3, i64 0 }, ptr %a24
-  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
-  %t25 = load { ptr, i64, i64 }, ptr %a22
-  store { ptr, i64, i64 } %t25, ptr %a2
-  br label %endif8201
-endif8201:
-  %t26 = load { ptr, i64, i64 }, ptr %a2
-  %t27 = load ptr, ptr %a1
-  %t28 = icmp eq ptr %t27, null
-  br i1 %t28, label %panic8204, label %ok8205
-panic8204:
-  call void @finch_panic(ptr @.str.5690, i64 5112, ptr @.str.5691)
+  store { ptr, i64, i64 } %t12, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t22, ptr %a24
+  store { ptr, i64, i64 } { ptr @.str.5905, i64 3, i64 0 }, ptr %a25
+  call void @finch_str_concat(ptr %a23, ptr %a24, ptr %a25)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  %t27 = load { ptr, i64, i64 }, ptr %a23
+  %t28 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t27, ptr %a2
+  store { ptr, i64, i64 } %t28, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  br label %endif8660
+endif8660:
+  %t30 = load { ptr, i64, i64 }, ptr %a2
+  %t31 = load ptr, ptr %a1
+  %t32 = icmp eq ptr %t31, null
+  br i1 %t32, label %panic8663, label %ok8664
+panic8663:
+  call void @finch_panic(ptr @.str.5906, i64 5544, ptr @.str.5907)
   unreachable
-ok8205:
-  %t29 = getelementptr inbounds %S.gen.Gen, ptr %t27, i32 0, i32 2
-  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5692, i64 1, i64 0 }, ptr %a31
-  call void @finch_str_join(ptr %a32, ptr %t29, ptr %a31)
-  %t33 = load { ptr, i64, i64 }, ptr %a32
-  store { ptr, i64, i64 } %t26, ptr %a35
-  store { ptr, i64, i64 } %t33, ptr %a36
-  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
-  %t37 = load { ptr, i64, i64 }, ptr %a34
-  store { ptr, i64, i64 } %t37, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.5693, i64 2, i64 0 }, ptr %a40
+ok8664:
+  %t33 = getelementptr inbounds %S.gen.Gen, ptr %t31, i32 0, i32 2
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5908, i64 1, i64 0 }, ptr %a35
+  call void @finch_str_join(ptr %a36, ptr %t33, ptr %a35)
+  %t37 = load { ptr, i64, i64 }, ptr %a36
+  store { ptr, i64, i64 } %t30, ptr %a39
+  store { ptr, i64, i64 } %t37, ptr %a40
   call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  %t42 = call { ptr, i64, i64 } @finch.gen.runtimeDecls()
-  store { ptr, i64, i64 } %t41, ptr %a44
-  store { ptr, i64, i64 } %t42, ptr %a45
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  store { ptr, i64, i64 } %t42, ptr %a44
+  store { ptr, i64, i64 } { ptr @.str.5909, i64 2, i64 0 }, ptr %a45
   call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  store { ptr, i64, i64 } %t46, ptr %a48
-  store { ptr, i64, i64 } { ptr @.str.5694, i64 1, i64 0 }, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t50, ptr %a2
-  %t51 = load ptr, ptr %a1
-  %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic8206, label %ok8207
-panic8206:
-  call void @finch_panic(ptr @.str.5695, i64 5113, ptr @.str.5696)
-  unreachable
-ok8207:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 28
-  %t54 = load i1, ptr %t53
-  br i1 %t54, label %then8208, label %endif8210
-then8208:
-  %t55 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t55, ptr %a57
-  store { ptr, i64, i64 } { ptr @.str.5697, i64 62, i64 0 }, ptr %a58
-  call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a2
-  br label %endif8210
-endif8210:
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  %t48 = call { ptr, i64, i64 } @finch.gen.runtimeDecls()
+  store { ptr, i64, i64 } %t47, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t47, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.5910, i64 1, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
   %t60 = load { ptr, i64, i64 }, ptr %a2
-  %t61 = load ptr, ptr %a1
-  %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic8211, label %ok8212
-panic8211:
-  call void @finch_panic(ptr @.str.5698, i64 5116, ptr @.str.5699)
+  store { ptr, i64, i64 } %t59, ptr %a2
+  store { ptr, i64, i64 } %t60, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load ptr, ptr %a1
+  %t63 = icmp eq ptr %t62, null
+  br i1 %t63, label %panic8665, label %ok8666
+panic8665:
+  call void @finch_panic(ptr @.str.5911, i64 5545, ptr @.str.5912)
   unreachable
-ok8212:
-  %t63 = getelementptr inbounds %S.gen.Gen, ptr %t61, i32 0, i32 3
-  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5700, i64 1, i64 0 }, ptr %a65
-  call void @finch_str_join(ptr %a66, ptr %t63, ptr %a65)
-  %t67 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t60, ptr %a69
-  store { ptr, i64, i64 } %t67, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t71, ptr %a2
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic8213, label %ok8214
-panic8213:
-  call void @finch_panic(ptr @.str.5701, i64 5117, ptr @.str.5702)
+ok8666:
+  %t64 = getelementptr inbounds %S.gen.Gen, ptr %t62, i32 0, i32 29
+  %t65 = load i1, ptr %t64
+  br i1 %t65, label %then8667, label %endif8669
+then8667:
+  %t66 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.5913, i64 62, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  %t70 = load { ptr, i64, i64 }, ptr %a67
+  %t71 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t70, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  br label %endif8669
+endif8669:
+  %t73 = load { ptr, i64, i64 }, ptr %a2
+  %t74 = load ptr, ptr %a1
+  %t75 = icmp eq ptr %t74, null
+  br i1 %t75, label %panic8670, label %ok8671
+panic8670:
+  call void @finch_panic(ptr @.str.5914, i64 5548, ptr @.str.5915)
   unreachable
-ok8214:
-  %t74 = getelementptr inbounds %S.gen.Gen, ptr %t72, i32 0, i32 28
-  %t75 = load i1, ptr %t74
-  br i1 %t75, label %then8215, label %endif8217
-then8215:
-  %t76 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t76, ptr %a78
-  store { ptr, i64, i64 } { ptr @.str.5703, i64 1, i64 0 }, ptr %a79
-  call void @finch_str_concat(ptr %a77, ptr %a78, ptr %a79)
-  %t80 = load { ptr, i64, i64 }, ptr %a77
-  %t81 = load ptr, ptr %a1
-  %t82 = call { ptr, i64, i64 } @finch.gen.dbgModule(ptr %t81)
+ok8671:
+  %t76 = getelementptr inbounds %S.gen.Gen, ptr %t74, i32 0, i32 3
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5916, i64 1, i64 0 }, ptr %a78
+  call void @finch_str_join(ptr %a79, ptr %t76, ptr %a78)
+  %t80 = load { ptr, i64, i64 }, ptr %a79
+  store { ptr, i64, i64 } %t73, ptr %a82
+  store { ptr, i64, i64 } %t80, ptr %a83
+  call void @finch_str_concat(ptr %a81, ptr %a82, ptr %a83)
   store { ptr, i64, i64 } %t80, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a2
-  br label %endif8217
-endif8217:
-  %t87 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t87, ptr %a88
-  call void @finch_str_copy(ptr %a89, ptr %a88)
-  %t90 = load { ptr, i64, i64 }, ptr %a89
-  ret { ptr, i64, i64 } %t90
+  call void @finch_str_drop(ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a81
+  %t86 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t85, ptr %a2
+  store { ptr, i64, i64 } %t86, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = load ptr, ptr %a1
+  %t89 = icmp eq ptr %t88, null
+  br i1 %t89, label %panic8672, label %ok8673
+panic8672:
+  call void @finch_panic(ptr @.str.5917, i64 5549, ptr @.str.5918)
+  unreachable
+ok8673:
+  %t90 = getelementptr inbounds %S.gen.Gen, ptr %t88, i32 0, i32 29
+  %t91 = load i1, ptr %t90
+  br i1 %t91, label %then8674, label %endif8676
+then8674:
+  %t92 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t92, ptr %a94
+  store { ptr, i64, i64 } { ptr @.str.5919, i64 1, i64 0 }, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  %t96 = load { ptr, i64, i64 }, ptr %a93
+  %t97 = load ptr, ptr %a1
+  %t98 = call { ptr, i64, i64 } @finch.gen.dbgModule(ptr %t97)
+  store { ptr, i64, i64 } %t96, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a101
+  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
+  store { ptr, i64, i64 } %t96, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  store { ptr, i64, i64 } %t98, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load { ptr, i64, i64 }, ptr %a99
+  %t105 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t104, ptr %a2
+  store { ptr, i64, i64 } %t105, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  br label %endif8676
+endif8676:
+  %t107 = load { ptr, i64, i64 }, ptr %a2
+  ret { ptr, i64, i64 } %t107
 }
 
 define internal void @finch.copy.arr_S_ast_Program(ptr %dst, ptr %src) {
@@ -75939,20 +91356,20 @@ entry:
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
   %t4 = load i64, ptr %t3
   store i64 0, ptr %a5
-  br label %n.cond8218
-n.cond8218:
+  br label %n.cond8677
+n.cond8677:
   %t6 = load i64, ptr %a5
   %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body8219, label %n.end8220
-n.body8219:
+  br i1 %t7, label %n.body8678, label %n.end8679
+n.body8678:
   %t8 = getelementptr inbounds %S.ast.Program, ptr %t1, i64 %t6
   %t9 = getelementptr inbounds %S.ast.Program, ptr %t2, i64 %t6
   call void @finch.copy.S_ast_Program(ptr %t8, ptr %t9)
   %t10 = load i64, ptr %a5
   %t11 = add i64 %t10, 1
   store i64 %t11, ptr %a5
-  br label %n.cond8218
-n.end8220:
+  br label %n.cond8677
+n.end8679:
   ret void
 }
 
@@ -75986,12 +91403,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8221
-n.cond8221:
+  br label %n.cond8680
+n.cond8680:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8222, label %n.end8223
-n.body8222:
+  br i1 %t5, label %n.body8681, label %n.end8682
+n.body8681:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t7, i64 %t4
@@ -76001,21 +91418,21 @@ n.body8222:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8224, label %entry.next8225
-entry.live8224:
+  br i1 %t14, label %entry.live8683, label %entry.next8684
+entry.live8683:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_cimport_CFunc(ptr %t17, ptr %t18)
-  br label %entry.next8225
-entry.next8225:
+  br label %entry.next8684
+entry.next8684:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8221
-n.end8223:
+  br label %n.cond8680
+n.end8682:
   ret void
 }
 
@@ -76026,12 +91443,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8226
-n.cond8226:
+  br label %n.cond8685
+n.cond8685:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8227, label %n.end8228
-n.body8227:
+  br i1 %t5, label %n.body8686, label %n.end8687
+n.body8686:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t7, i64 %t4
@@ -76041,21 +91458,21 @@ n.body8227:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8229, label %entry.next8230
-entry.live8229:
+  br i1 %t14, label %entry.live8688, label %entry.next8689
+entry.live8688:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_cimport_CConst(ptr %t17, ptr %t18)
-  br label %entry.next8230
-entry.next8230:
+  br label %entry.next8689
+entry.next8689:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8226
-n.end8228:
+  br label %n.cond8685
+n.end8687:
   ret void
 }
 
@@ -76066,12 +91483,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8231
-n.cond8231:
+  br label %n.cond8690
+n.cond8690:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8232, label %n.end8233
-n.body8232:
+  br i1 %t5, label %n.body8691, label %n.end8692
+n.body8691:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t7, i64 %t4
@@ -76081,21 +91498,21 @@ n.body8232:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8234, label %entry.next8235
-entry.live8234:
+  br i1 %t14, label %entry.live8693, label %entry.next8694
+entry.live8693:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_ast_Type(ptr %t17, ptr %t18)
-  br label %entry.next8235
-entry.next8235:
+  br label %entry.next8694
+entry.next8694:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8231
-n.end8233:
+  br label %n.cond8690
+n.end8692:
   ret void
 }
 
@@ -76106,12 +91523,12 @@ entry:
   %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 2
   %t2 = load i64, ptr %t1
   store i64 0, ptr %a3
-  br label %n.cond8236
-n.cond8236:
+  br label %n.cond8695
+n.cond8695:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, %t2
-  br i1 %t5, label %n.body8237, label %n.end8238
-n.body8237:
+  br i1 %t5, label %n.body8696, label %n.end8697
+n.body8696:
   %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %src, i32 0, i32 0
   %t7 = load ptr, ptr %t6
   %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t7, i64 %t4
@@ -76121,21 +91538,21 @@ n.body8237:
   %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 0
   %t13 = load i64, ptr %t12
   %t14 = icmp ne i64 %t13, 0
-  br i1 %t14, label %entry.live8239, label %entry.next8240
-entry.live8239:
+  br i1 %t14, label %entry.live8698, label %entry.next8699
+entry.live8698:
   %t15 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t11, i32 0, i32 1
   %t16 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 1
   call void @finch_str_copy(ptr %t15, ptr %t16)
   %t17 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t11, i32 0, i32 2
   %t18 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t8, i32 0, i32 2
   call void @finch.copy.S_cimport_CStruct(ptr %t17, ptr %t18)
-  br label %entry.next8240
-entry.next8240:
+  br label %entry.next8699
+entry.next8699:
   %t19 = load i64, ptr %a3
   %t20 = add i64 %t19, 1
   store i64 %t20, ptr %a3
-  br label %n.cond8236
-n.end8238:
+  br label %n.cond8695
+n.end8697:
   ret void
 }
 
@@ -76162,6 +91579,252 @@ entry:
   ret void
 }
 
+define internal void @finch.drop.arr_S_gen_Pending(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8768
+n.cond8768:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8769, label %n.end8770
+n.body8769:
+  %t7 = getelementptr inbounds %S.gen.Pending, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Pending(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8768
+n.end8770:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Loop(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8771
+n.cond8771:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8772, label %n.end8773
+n.body8772:
+  %t7 = getelementptr inbounds %S.gen.Loop, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Loop(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8771
+n.end8773:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_FnSig(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8774
+n.cond8774:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8775, label %n.end8776
+n.body8775:
+  %t7 = getelementptr inbounds %S.gen.FnSig, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_FnSig(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8774
+n.end8776:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_StructDef(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8777
+n.cond8777:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8778, label %n.end8779
+n.body8778:
+  %t7 = getelementptr inbounds %S.gen.StructDef, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_StructDef(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8777
+n.end8779:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_Template(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8780
+n.cond8780:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8781, label %n.end8782
+n.body8781:
+  %t7 = getelementptr inbounds %S.gen.Template, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_Template(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8780
+n.end8782:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_gen_EnumDef(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond8783
+n.cond8783:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body8784, label %n.end8785
+n.body8784:
+  %t7 = getelementptr inbounds %S.gen.EnumDef, ptr %t1, i64 %t5
+  call void @finch.drop.S_gen_EnumDef(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond8783
+n.end8785:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.map_str_int(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond8786
+n.cond8786:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body8787, label %n.end8788
+n.body8787:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live8789, label %entry.next8790
+entry.live8789:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, i64 }, ptr %t8, i32 0, i32 2
+  br label %entry.next8790
+entry.next8790:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond8786
+n.end8788:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_gen_Gen(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_ast_Program(ptr %t1)
+  %t2 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_str(ptr %t2)
+  %t3 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_str(ptr %t5)
+  %t6 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 10
+  call void @finch.drop.arr_S_gen_Scope(ptr %t7)
+  %t8 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 11
+  call void @finch.drop.arr_S_gen_Pending(ptr %t8)
+  %t9 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 12
+  call void @finch.drop.arr_S_gen_Loop(ptr %t9)
+  %t10 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 13
+  call void @finch.drop.S_gen_FnSig(ptr %t10)
+  %t11 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 14
+  call void @finch_str_drop(ptr %t11)
+  %t12 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 15
+  call void @finch.drop.arr_S_gen_FnSig(ptr %t12)
+  %t13 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 16
+  call void @finch.drop.arr_S_gen_StructDef(ptr %t13)
+  %t14 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 17
+  call void @finch.drop.arr_S_gen_Template(ptr %t14)
+  %t15 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 18
+  call void @finch.drop.arr_str(ptr %t15)
+  %t16 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 19
+  call void @finch.drop.arr_S_ast_Type(ptr %t16)
+  %t17 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 20
+  call void @finch_str_drop(ptr %t17)
+  %t18 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 21
+  call void @finch.drop.arr_S_gen_EnumDef(ptr %t18)
+  %t19 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 22
+  call void @finch.drop.arr_str(ptr %t19)
+  %t20 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 23
+  call void @finch.drop.arr_str(ptr %t20)
+  %t21 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 25
+  call void @finch.drop.S_cimport_CImports(ptr %t21)
+  %t22 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 28
+  call void @finch.drop.arr_str(ptr %t22)
+  %t23 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 30
+  call void @finch.drop.S_platform_Target(ptr %t23)
+  %t24 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 31
+  call void @finch_str_drop(ptr %t24)
+  %t25 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 32
+  call void @finch.drop.arr_str(ptr %t25)
+  %t26 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 33
+  call void @finch.drop.map_str_int(ptr %t26)
+  %t27 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 34
+  call void @finch.drop.arr_int(ptr %t27)
+  %t28 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 39
+  call void @finch.drop.arr_str(ptr %t28)
+  %t29 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 40
+  call void @finch_str_drop(ptr %t29)
+  %t30 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 41
+  call void @finch_str_drop(ptr %t30)
+  %t31 = getelementptr inbounds %S.gen.Gen, ptr %a, i32 0, i32 42
+  call void @finch_str_drop(ptr %t31)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.gen.generate({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1, %S.cimport.CImports %p2, %S.gen.Options %p3) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -76189,127 +91852,166 @@ entry:
   %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
   %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca i64, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca i64, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
+  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca i64, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca i64, align 16
+  %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca i64, align 16
-  %a260 = alloca %S.gen.FnSig, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a281 = alloca { ptr, i64, i64 }, align 16
-  %a282 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca i64, align 16
+  %a269 = alloca %S.gen.FnSig, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
   %a286 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca %S.gen.FnSig, align 16
-  %a305 = alloca %S.gen.FnSig, align 16
-  %a307 = alloca %S.gen.FnSig, align 16
-  %a311 = alloca { ptr, i64, i64 }, align 16
-  %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
-  %a317 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a296 = alloca { ptr, i64, i64 }, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
+  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a317 = alloca %S.gen.FnSig, align 16
+  %a318 = alloca %S.gen.FnSig, align 16
+  %a320 = alloca %S.gen.FnSig, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
   %a325 = alloca { ptr, i64, i64 }, align 16
   %a326 = alloca { ptr, i64, i64 }, align 16
   %a327 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
   %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a332 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a337 = alloca { ptr, i64, i64 }, align 16
   %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
   %a343 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a349 = alloca { ptr, i64, i64 }, align 16
-  %a350 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a353 = alloca { ptr, i64, i64 }, align 16
   %a355 = alloca { ptr, i64, i64 }, align 16
   %a356 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
   %a360 = alloca { ptr, i64, i64 }, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
   %a364 = alloca { ptr, i64, i64 }, align 16
-  %a365 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
   %a373 = alloca { ptr, i64, i64 }, align 16
   %a374 = alloca { ptr, i64, i64 }, align 16
   %a377 = alloca { ptr, i64, i64 }, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
   %a379 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
-  %a382 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
+  %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
-  %a388 = alloca { ptr, i64, i64 }, align 16
+  %a389 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
   %a391 = alloca { ptr, i64, i64 }, align 16
   %a392 = alloca { ptr, i64, i64 }, align 16
-  %a393 = alloca { ptr, i64, i64 }, align 16
   %a395 = alloca { ptr, i64, i64 }, align 16
-  %a396 = alloca { ptr, i64, i64 }, align 16
   %a397 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
   %a401 = alloca { ptr, i64, i64 }, align 16
-  %a402 = alloca { ptr, i64, i64 }, align 16
-  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a403 = alloca { ptr, i64, i64 }, align 16
+  %a404 = alloca { ptr, i64, i64 }, align 16
+  %a405 = alloca { ptr, i64, i64 }, align 16
   %a408 = alloca { ptr, i64, i64 }, align 16
-  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a411 = alloca { ptr, i64, i64 }, align 16
   %a413 = alloca { ptr, i64, i64 }, align 16
   %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
   %a416 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a421 = alloca { ptr, i64, i64 }, align 16
+  %a422 = alloca { ptr, i64, i64 }, align 16
   %a423 = alloca { ptr, i64, i64 }, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
+  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a427 = alloca { ptr, i64, i64 }, align 16
   %a428 = alloca { ptr, i64, i64 }, align 16
   %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
+  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
   %a439 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
   %a441 = alloca { ptr, i64, i64 }, align 16
-  %a442 = alloca { ptr, i64, i64 }, align 16
-  %a443 = alloca { ptr, i64, i64 }, align 16
-  %a446 = alloca { ptr, i64, i64 }, align 16
-  %a447 = alloca { ptr, i64, i64 }, align 16
+  %a444 = alloca { ptr, i64, i64 }, align 16
   %a448 = alloca { ptr, i64, i64 }, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a452 = alloca { ptr, i64, i64 }, align 16
+  %a449 = alloca { ptr, i64, i64 }, align 16
+  %a453 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
   %a455 = alloca { ptr, i64, i64 }, align 16
-  %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
+  %a458 = alloca { ptr, i64, i64 }, align 16
   %a459 = alloca { ptr, i64, i64 }, align 16
   %a460 = alloca { ptr, i64, i64 }, align 16
-  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a468 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a473 = alloca { ptr, i64, i64 }, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
+  %a485 = alloca { ptr, i64, i64 }, align 16
+  %a486 = alloca { ptr, i64, i64 }, align 16
+  %a487 = alloca { ptr, i64, i64 }, align 16
+  %a489 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
+  %a491 = alloca { ptr, i64, i64 }, align 16
+  %a492 = alloca { ptr, i64, i64 }, align 16
+  %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
+  %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
+  %a502 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
+  %a506 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a509 = alloca { ptr, i64, i64 }, align 16
+  %a511 = alloca { ptr, i64, i64 }, align 16
+  %a512 = alloca { ptr, i64, i64 }, align 16
+  %a513 = alloca { ptr, i64, i64 }, align 16
+  %a514 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store %S.cimport.CImports %p2, ptr %a3
@@ -76331,713 +92033,815 @@ entry:
   store %S.cimport.CImports %t18, ptr %a19
   call void @finch.copy.S_cimport_CImports(ptr %a20, ptr %a19)
   %t21 = load %S.cimport.CImports, ptr %a20
-  %t22 = insertvalue %S.gen.Gen %t17, %S.cimport.CImports %t21, 24
+  %t22 = insertvalue %S.gen.Gen %t17, %S.cimport.CImports %t21, 25
   %t23 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 0
   %t24 = load i1, ptr %t23
-  %t25 = insertvalue %S.gen.Gen %t22, i1 %t24, 25
+  %t25 = insertvalue %S.gen.Gen %t22, i1 %t24, 26
   %t26 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 1
   %t27 = load i1, ptr %t26
-  %t28 = insertvalue %S.gen.Gen %t25, i1 %t27, 26
+  %t28 = insertvalue %S.gen.Gen %t25, i1 %t27, 27
   %t29 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 2
   %t30 = load i1, ptr %t29
-  %t31 = insertvalue %S.gen.Gen %t28, i1 %t30, 28
+  %t31 = insertvalue %S.gen.Gen %t28, i1 %t30, 29
   %t32 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 4
   %t33 = load %S.platform.Target, ptr %t32
   store %S.platform.Target %t33, ptr %a34
   call void @finch.copy.S_platform_Target(ptr %a35, ptr %a34)
   %t36 = load %S.platform.Target, ptr %a35
-  %t37 = insertvalue %S.gen.Gen %t31, %S.platform.Target %t36, 29
+  %t37 = insertvalue %S.gen.Gen %t31, %S.platform.Target %t36, 30
   %t38 = getelementptr inbounds %S.gen.Options, ptr %a4, i32 0, i32 3
   %t39 = load { ptr, i64, i64 }, ptr %t38
   store { ptr, i64, i64 } %t39, ptr %a40
   call void @finch_str_copy(ptr %a41, ptr %a40)
   %t42 = load { ptr, i64, i64 }, ptr %a41
-  %t43 = insertvalue %S.gen.Gen %t37, { ptr, i64, i64 } %t42, 30
-  %t44 = insertvalue %S.gen.Gen %t43, i64 -1, 34
+  %t43 = insertvalue %S.gen.Gen %t37, { ptr, i64, i64 } %t42, 31
+  %t44 = insertvalue %S.gen.Gen %t43, i64 -1, 35
   store %S.gen.Gen %t44, ptr %a45
   store ptr %a45, ptr %a46
   %t47 = load ptr, ptr %a46
   %t48 = icmp eq ptr %t47, null
-  br i1 %t48, label %panic8241, label %ok8242
-panic8241:
-  call void @finch_panic(ptr @.str.5704, i64 5127, ptr @.str.5705)
+  br i1 %t48, label %panic8700, label %ok8701
+panic8700:
+  call void @finch_panic(ptr @.str.5920, i64 5559, ptr @.str.5921)
   unreachable
-ok8242:
-  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 28
+ok8701:
+  %t49 = getelementptr inbounds %S.gen.Gen, ptr %t47, i32 0, i32 29
   %t50 = load i1, ptr %t49
-  br i1 %t50, label %then8243, label %endif8245
-then8243:
+  br i1 %t50, label %then8702, label %endif8704
+then8702:
   %t51 = load ptr, ptr %a46
   %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic8246, label %ok8247
-panic8246:
-  call void @finch_panic(ptr @.str.5706, i64 5129, ptr @.str.5707)
+  br i1 %t52, label %panic8705, label %ok8706
+panic8705:
+  call void @finch_panic(ptr @.str.5922, i64 5561, ptr @.str.5923)
   unreachable
-ok8247:
-  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 31
+ok8706:
+  %t53 = getelementptr inbounds %S.gen.Gen, ptr %t51, i32 0, i32 32
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %t53, i32 0, i32 1
   %t55 = load i64, ptr %t54
   %t56 = add i64 %t55, 1
   call void @finch_arr_reserve(ptr %t53, i64 %t56, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t57 = load ptr, ptr %t53
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t57, i64 %t55
-  store { ptr, i64, i64 } { ptr @.str.5708, i64 0, i64 0 }, ptr %t58
+  store { ptr, i64, i64 } { ptr @.str.5924, i64 0, i64 0 }, ptr %t58
   store i64 %t56, ptr %t54
   %t59 = load ptr, ptr %a46
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic8248, label %ok8249
-panic8248:
-  call void @finch_panic(ptr @.str.5709, i64 5130, ptr @.str.5710)
+  br i1 %t60, label %panic8707, label %ok8708
+panic8707:
+  call void @finch_panic(ptr @.str.5925, i64 5562, ptr @.str.5926)
   unreachable
-ok8249:
-  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 31
+ok8708:
+  %t61 = getelementptr inbounds %S.gen.Gen, ptr %t59, i32 0, i32 32
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t61, i32 0, i32 1
   %t63 = load i64, ptr %t62
   %t64 = add i64 %t63, 1
   call void @finch_arr_reserve(ptr %t61, i64 %t64, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t65 = load ptr, ptr %t61
   %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 %t63
-  store { ptr, i64, i64 } { ptr @.str.5711, i64 33, i64 0 }, ptr %t66
+  store { ptr, i64, i64 } { ptr @.str.5927, i64 33, i64 0 }, ptr %t66
   store i64 %t64, ptr %t62
   %t67 = load ptr, ptr %a46
   %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic8250, label %ok8251
-panic8250:
-  call void @finch_panic(ptr @.str.5712, i64 5131, ptr @.str.5713)
+  br i1 %t68, label %panic8709, label %ok8710
+panic8709:
+  call void @finch_panic(ptr @.str.5928, i64 5563, ptr @.str.5929)
   unreachable
-ok8251:
-  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 31
+ok8710:
+  %t69 = getelementptr inbounds %S.gen.Gen, ptr %t67, i32 0, i32 32
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i32 0, i32 1
   %t71 = load i64, ptr %t70
   %t72 = add i64 %t71, 1
   call void @finch_arr_reserve(ptr %t69, i64 %t72, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t73 = load ptr, ptr %t69
   %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i64 %t71
-  store { ptr, i64, i64 } { ptr @.str.5714, i64 38, i64 0 }, ptr %t74
+  store { ptr, i64, i64 } { ptr @.str.5930, i64 38, i64 0 }, ptr %t74
   store i64 %t72, ptr %t70
   store i64 0, ptr %a75
-  br label %each.cond8252
-each.cond8252:
+  br label %each.cond8711
+each.cond8711:
   %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t77 = load i64, ptr %t76
   %t78 = load i64, ptr %a75
   %t79 = icmp slt i64 %t78, %t77
-  br i1 %t79, label %each.body8253, label %each.end8255
-each.body8253:
+  br i1 %t79, label %each.body8712, label %each.end8714
+each.body8712:
   %t80 = load ptr, ptr %a2
   %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %t80, i64 %t78
   %t82 = load { ptr, i64, i64 }, ptr %t81
   store { ptr, i64, i64 } %t82, ptr %a83
   %t84 = load ptr, ptr %a46
   %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic8256, label %ok8257
-panic8256:
-  call void @finch_panic(ptr @.str.5715, i64 5133, ptr @.str.5716)
+  br i1 %t85, label %panic8715, label %ok8716
+panic8715:
+  call void @finch_panic(ptr @.str.5931, i64 5565, ptr @.str.5932)
   unreachable
-ok8257:
-  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 33
+ok8716:
+  %t86 = getelementptr inbounds %S.gen.Gen, ptr %t84, i32 0, i32 34
   %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i32 0, i32 1
   %t88 = load ptr, ptr %a46
   %t89 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } { ptr @.str.5717, i64 19, i64 0 }, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.5933, i64 19, i64 0 }, ptr %a91
   store { ptr, i64, i64 } %t89, ptr %a92
   call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
   %t93 = load { ptr, i64, i64 }, ptr %a90
   store { ptr, i64, i64 } %t93, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.5718, i64 15, i64 0 }, ptr %a96
+  store { ptr, i64, i64 } { ptr @.str.5934, i64 15, i64 0 }, ptr %a96
   call void @finch_str_concat(ptr %a94, ptr %a95, ptr %a96)
-  %t97 = load { ptr, i64, i64 }, ptr %a94
-  %t98 = load ptr, ptr %a46
-  %t99 = icmp eq ptr %t98, null
-  br i1 %t99, label %panic8258, label %ok8259
-panic8258:
-  call void @finch_panic(ptr @.str.5719, i64 5133, ptr @.str.5720)
+  store { ptr, i64, i64 } %t93, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  %t98 = load { ptr, i64, i64 }, ptr %a94
+  %t99 = load ptr, ptr %a46
+  %t100 = icmp eq ptr %t99, null
+  br i1 %t100, label %panic8717, label %ok8718
+panic8717:
+  call void @finch_panic(ptr @.str.5935, i64 5565, ptr @.str.5936)
   unreachable
-ok8259:
-  %t100 = getelementptr inbounds %S.gen.Gen, ptr %t98, i32 0, i32 30
-  %t101 = load { ptr, i64, i64 }, ptr %t100
-  store { ptr, i64, i64 } %t97, ptr %a103
-  store { ptr, i64, i64 } %t101, ptr %a104
-  call void @finch_str_concat(ptr %a102, ptr %a103, ptr %a104)
-  %t105 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t105, ptr %a107
-  store { ptr, i64, i64 } { ptr @.str.5721, i64 2, i64 0 }, ptr %a108
-  call void @finch_str_concat(ptr %a106, ptr %a107, ptr %a108)
-  %t109 = load { ptr, i64, i64 }, ptr %a106
-  %t110 = call i64 @finch.gen.md(ptr %t88, { ptr, i64, i64 } %t109)
-  %t111 = load i64, ptr %t87
-  %t112 = add i64 %t111, 1
-  call void @finch_arr_reserve(ptr %t86, i64 %t112, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
-  %t113 = load ptr, ptr %t86
-  %t114 = getelementptr inbounds i64, ptr %t113, i64 %t111
-  store i64 %t110, ptr %t114
-  store i64 %t112, ptr %t87
-  br label %each.step8254
-each.step8254:
-  %t115 = load i64, ptr %a75
+ok8718:
+  %t101 = getelementptr inbounds %S.gen.Gen, ptr %t99, i32 0, i32 31
+  %t102 = load { ptr, i64, i64 }, ptr %t101
+  store { ptr, i64, i64 } %t98, ptr %a104
+  store { ptr, i64, i64 } %t102, ptr %a105
+  call void @finch_str_concat(ptr %a103, ptr %a104, ptr %a105)
+  store { ptr, i64, i64 } %t98, ptr %a106
+  call void @finch_str_drop(ptr %a106)
+  %t107 = load { ptr, i64, i64 }, ptr %a103
+  store { ptr, i64, i64 } %t107, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.5937, i64 2, i64 0 }, ptr %a110
+  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
+  store { ptr, i64, i64 } %t107, ptr %a111
+  call void @finch_str_drop(ptr %a111)
+  %t112 = load { ptr, i64, i64 }, ptr %a108
+  %t113 = call i64 @finch.gen.md(ptr %t88, { ptr, i64, i64 } %t112)
+  store { ptr, i64, i64 } %t112, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load i64, ptr %t87
   %t116 = add i64 %t115, 1
-  store i64 %t116, ptr %a75
-  br label %each.cond8252
-each.end8255:
-  %t117 = load ptr, ptr %a46
-  %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic8260, label %ok8261
-panic8260:
-  call void @finch_panic(ptr @.str.5723, i64 5135, ptr @.str.5724)
+  call void @finch_arr_reserve(ptr %t86, i64 %t116, i64 ptrtoint (ptr getelementptr (i64, ptr null, i32 1) to i64))
+  %t117 = load ptr, ptr %t86
+  %t118 = getelementptr inbounds i64, ptr %t117, i64 %t115
+  store i64 %t113, ptr %t118
+  store i64 %t116, ptr %t87
+  br label %each.step8713
+each.step8713:
+  %t119 = load i64, ptr %a75
+  %t120 = add i64 %t119, 1
+  store i64 %t120, ptr %a75
+  br label %each.cond8711
+each.end8714:
+  %t121 = load ptr, ptr %a46
+  %t122 = icmp eq ptr %t121, null
+  br i1 %t122, label %panic8719, label %ok8720
+panic8719:
+  call void @finch_panic(ptr @.str.5939, i64 5567, ptr @.str.5940)
   unreachable
-ok8261:
-  %t119 = getelementptr inbounds %S.gen.Gen, ptr %t117, i32 0, i32 33
-  %t120 = load { ptr, i64, i64 }, ptr %t119
-  %t121 = extractvalue { ptr, i64, i64 } %t120, 1
-  %t122 = icmp uge i64 0, %t121
-  br i1 %t122, label %range8262, label %inrange8263
-range8262:
-  call void @finch_panic_index(ptr @.str.5725, i64 5135, i64 0, i64 %t121)
+ok8720:
+  %t123 = getelementptr inbounds %S.gen.Gen, ptr %t121, i32 0, i32 34
+  %t124 = load { ptr, i64, i64 }, ptr %t123
+  %t125 = extractvalue { ptr, i64, i64 } %t124, 1
+  %t126 = icmp uge i64 0, %t125
+  br i1 %t126, label %range8721, label %inrange8722
+range8721:
+  call void @finch_panic_index(ptr @.str.5941, i64 5567, i64 0, i64 %t125)
   unreachable
-inrange8263:
-  %t123 = extractvalue { ptr, i64, i64 } %t120, 0
-  %t124 = getelementptr inbounds i64, ptr %t123, i64 0
-  %t125 = load i64, ptr %t124
-  call void @finch_str_from_int(ptr %a126, i64 %t125)
-  %t127 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } { ptr @.str.5722, i64 52, i64 0 }, ptr %a129
-  store { ptr, i64, i64 } %t127, ptr %a130
-  call void @finch_str_concat(ptr %a128, ptr %a129, ptr %a130)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  store { ptr, i64, i64 } %t131, ptr %a133
-  store { ptr, i64, i64 } { ptr @.str.5726, i64 84, i64 0 }, ptr %a134
+inrange8722:
+  %t127 = extractvalue { ptr, i64, i64 } %t124, 0
+  %t128 = getelementptr inbounds i64, ptr %t127, i64 0
+  %t129 = load i64, ptr %t128
+  call void @finch_str_from_int(ptr %a130, i64 %t129)
+  %t131 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } { ptr @.str.5938, i64 52, i64 0 }, ptr %a133
+  store { ptr, i64, i64 } %t131, ptr %a134
   call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
-  %t135 = load { ptr, i64, i64 }, ptr %a132
-  %t136 = load ptr, ptr %a46
-  %t137 = icmp eq ptr %t136, null
-  br i1 %t137, label %panic8264, label %ok8265
-panic8264:
-  call void @finch_panic(ptr @.str.5727, i64 5135, ptr @.str.5728)
+  store { ptr, i64, i64 } %t131, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.5942, i64 84, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = load ptr, ptr %a46
+  %t143 = icmp eq ptr %t142, null
+  br i1 %t143, label %panic8723, label %ok8724
+panic8723:
+  call void @finch_panic(ptr @.str.5943, i64 5567, ptr @.str.5944)
   unreachable
-ok8265:
-  %t138 = getelementptr inbounds %S.gen.Gen, ptr %t136, i32 0, i32 31
-  %t139 = load { ptr, i64, i64 }, ptr %t138
-  %t140 = extractvalue { ptr, i64, i64 } %t139, 1
-  %t141 = icmp uge i64 0, %t140
-  br i1 %t141, label %range8266, label %inrange8267
-range8266:
-  call void @finch_panic_index(ptr @.str.5729, i64 5135, i64 0, i64 %t140)
+ok8724:
+  %t144 = getelementptr inbounds %S.gen.Gen, ptr %t142, i32 0, i32 32
+  %t145 = load { ptr, i64, i64 }, ptr %t144
+  %t146 = extractvalue { ptr, i64, i64 } %t145, 1
+  %t147 = icmp uge i64 0, %t146
+  br i1 %t147, label %range8725, label %inrange8726
+range8725:
+  call void @finch_panic_index(ptr @.str.5945, i64 5567, i64 0, i64 %t146)
   unreachable
-inrange8267:
-  %t142 = extractvalue { ptr, i64, i64 } %t139, 0
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %t142, i64 0
-  store { ptr, i64, i64 } %t135, ptr %t143
-  br label %endif8245
-endif8245:
-  %t144 = load ptr, ptr %a46
-  call void @finch.gen.declare(ptr %t144)
-  %t145 = load ptr, ptr %a46
-  %t146 = call i64 @finch.gen.findFn(ptr %t145, { ptr, i64, i64 } { ptr @.str.5730, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5731, i64 4, i64 0 })
-  store i64 %t146, ptr %a147
-  %t148 = load i1, ptr %a7
-  br i1 %t148, label %then8268, label %else8269
-then8268:
-  %t149 = load i64, ptr %a147
-  %t150 = icmp sge i64 %t149, 0
-  br i1 %t150, label %then8271, label %endif8273
-then8271:
-  %t151 = load ptr, ptr %a46
+inrange8726:
+  %t148 = extractvalue { ptr, i64, i64 } %t145, 0
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t148, i64 0
+  %t150 = load { ptr, i64, i64 }, ptr %t149
+  store { ptr, i64, i64 } %t141, ptr %t149
+  store { ptr, i64, i64 } %t150, ptr %a151
+  call void @finch_str_drop(ptr %a151)
+  br label %endif8704
+endif8704:
   %t152 = load ptr, ptr %a46
-  %t153 = icmp eq ptr %t152, null
-  br i1 %t153, label %panic8274, label %ok8275
-panic8274:
-  call void @finch_panic(ptr @.str.5732, i64 5141, ptr @.str.5733)
+  call void @finch.gen.declare(ptr %t152)
+  %t153 = load ptr, ptr %a46
+  %t154 = call i64 @finch.gen.findFn(ptr %t153, { ptr, i64, i64 } { ptr @.str.5946, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.5947, i64 4, i64 0 })
+  store i64 %t154, ptr %a155
+  %t156 = load i1, ptr %a7
+  br i1 %t156, label %then8727, label %else8728
+then8727:
+  %t157 = load i64, ptr %a155
+  %t158 = icmp sge i64 %t157, 0
+  br i1 %t158, label %then8730, label %endif8732
+then8730:
+  %t159 = load ptr, ptr %a46
+  %t160 = load ptr, ptr %a46
+  %t161 = icmp eq ptr %t160, null
+  br i1 %t161, label %panic8733, label %ok8734
+panic8733:
+  call void @finch_panic(ptr @.str.5948, i64 5573, ptr @.str.5949)
   unreachable
-ok8275:
-  %t154 = getelementptr inbounds %S.gen.Gen, ptr %t152, i32 0, i32 0
-  %t155 = load ptr, ptr %a46
-  %t156 = icmp eq ptr %t155, null
-  br i1 %t156, label %panic8276, label %ok8277
-panic8276:
-  call void @finch_panic(ptr @.str.5734, i64 5141, ptr @.str.5735)
+ok8734:
+  %t162 = getelementptr inbounds %S.gen.Gen, ptr %t160, i32 0, i32 0
+  %t163 = load ptr, ptr %a46
+  %t164 = icmp eq ptr %t163, null
+  br i1 %t164, label %panic8735, label %ok8736
+panic8735:
+  call void @finch_panic(ptr @.str.5950, i64 5573, ptr @.str.5951)
   unreachable
-ok8277:
-  %t157 = getelementptr inbounds %S.gen.Gen, ptr %t155, i32 0, i32 14
-  %t158 = load i64, ptr %a147
-  %t159 = load { ptr, i64, i64 }, ptr %t157
-  %t160 = extractvalue { ptr, i64, i64 } %t159, 1
-  %t161 = icmp uge i64 %t158, %t160
-  br i1 %t161, label %range8278, label %inrange8279
-range8278:
-  call void @finch_panic_index(ptr @.str.5736, i64 5141, i64 %t158, i64 %t160)
+ok8736:
+  %t165 = getelementptr inbounds %S.gen.Gen, ptr %t163, i32 0, i32 15
+  %t166 = load i64, ptr %a155
+  %t167 = load { ptr, i64, i64 }, ptr %t165
+  %t168 = extractvalue { ptr, i64, i64 } %t167, 1
+  %t169 = icmp uge i64 %t166, %t168
+  br i1 %t169, label %range8737, label %inrange8738
+range8737:
+  call void @finch_panic_index(ptr @.str.5952, i64 5573, i64 %t166, i64 %t168)
   unreachable
-inrange8279:
-  %t162 = extractvalue { ptr, i64, i64 } %t159, 0
-  %t163 = getelementptr inbounds %S.gen.FnSig, ptr %t162, i64 %t158
-  %t164 = getelementptr inbounds %S.gen.FnSig, ptr %t163, i32 0, i32 16
-  %t165 = load i64, ptr %t164
-  %t166 = load { ptr, i64, i64 }, ptr %t154
-  %t167 = extractvalue { ptr, i64, i64 } %t166, 1
-  %t168 = icmp uge i64 %t165, %t167
-  br i1 %t168, label %range8280, label %inrange8281
-range8280:
-  call void @finch_panic_index(ptr @.str.5737, i64 5141, i64 %t165, i64 %t167)
+inrange8738:
+  %t170 = extractvalue { ptr, i64, i64 } %t167, 0
+  %t171 = getelementptr inbounds %S.gen.FnSig, ptr %t170, i64 %t166
+  %t172 = getelementptr inbounds %S.gen.FnSig, ptr %t171, i32 0, i32 16
+  %t173 = load i64, ptr %t172
+  %t174 = load { ptr, i64, i64 }, ptr %t162
+  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
+  %t176 = icmp uge i64 %t173, %t175
+  br i1 %t176, label %range8739, label %inrange8740
+range8739:
+  call void @finch_panic_index(ptr @.str.5953, i64 5573, i64 %t173, i64 %t175)
   unreachable
-inrange8281:
-  %t169 = extractvalue { ptr, i64, i64 } %t166, 0
-  %t170 = getelementptr inbounds %S.ast.Program, ptr %t169, i64 %t165
-  %t171 = getelementptr inbounds %S.ast.Program, ptr %t170, i32 0, i32 8
-  %t172 = load ptr, ptr %a46
-  %t173 = icmp eq ptr %t172, null
-  br i1 %t173, label %panic8282, label %ok8283
-panic8282:
-  call void @finch_panic(ptr @.str.5738, i64 5141, ptr @.str.5739)
+inrange8740:
+  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
+  %t178 = getelementptr inbounds %S.ast.Program, ptr %t177, i64 %t173
+  %t179 = getelementptr inbounds %S.ast.Program, ptr %t178, i32 0, i32 8
+  %t180 = load ptr, ptr %a46
+  %t181 = icmp eq ptr %t180, null
+  br i1 %t181, label %panic8741, label %ok8742
+panic8741:
+  call void @finch_panic(ptr @.str.5954, i64 5573, ptr @.str.5955)
   unreachable
-ok8283:
-  %t174 = getelementptr inbounds %S.gen.Gen, ptr %t172, i32 0, i32 14
-  %t175 = load i64, ptr %a147
-  %t176 = load { ptr, i64, i64 }, ptr %t174
-  %t177 = extractvalue { ptr, i64, i64 } %t176, 1
-  %t178 = icmp uge i64 %t175, %t177
-  br i1 %t178, label %range8284, label %inrange8285
-range8284:
-  call void @finch_panic_index(ptr @.str.5740, i64 5141, i64 %t175, i64 %t177)
+ok8742:
+  %t182 = getelementptr inbounds %S.gen.Gen, ptr %t180, i32 0, i32 15
+  %t183 = load i64, ptr %a155
+  %t184 = load { ptr, i64, i64 }, ptr %t182
+  %t185 = extractvalue { ptr, i64, i64 } %t184, 1
+  %t186 = icmp uge i64 %t183, %t185
+  br i1 %t186, label %range8743, label %inrange8744
+range8743:
+  call void @finch_panic_index(ptr @.str.5956, i64 5573, i64 %t183, i64 %t185)
   unreachable
-inrange8285:
-  %t179 = extractvalue { ptr, i64, i64 } %t176, 0
-  %t180 = getelementptr inbounds %S.gen.FnSig, ptr %t179, i64 %t175
-  %t181 = getelementptr inbounds %S.gen.FnSig, ptr %t180, i32 0, i32 17
-  %t182 = load i64, ptr %t181
-  %t183 = load { ptr, i64, i64 }, ptr %t171
-  %t184 = extractvalue { ptr, i64, i64 } %t183, 1
-  %t185 = icmp uge i64 %t182, %t184
-  br i1 %t185, label %range8286, label %inrange8287
-range8286:
-  call void @finch_panic_index(ptr @.str.5741, i64 5141, i64 %t182, i64 %t184)
-  unreachable
-inrange8287:
-  %t186 = extractvalue { ptr, i64, i64 } %t183, 0
-  %t187 = getelementptr inbounds %S.ast.Node, ptr %t186, i64 %t182
-  %t188 = load %S.ast.Node, ptr %t187
-  call void @finch.gen.fail(ptr %t151, %S.ast.Node %t188, { ptr, i64, i64 } { ptr @.str.5742, i64 82, i64 0 })
-  br label %endif8273
-endif8273:
-  br label %endif8270
-else8269:
-  %t189 = load i64, ptr %a147
-  %t190 = icmp slt i64 %t189, 0
-  br i1 %t190, label %then8288, label %endif8290
-then8288:
-  %t191 = load { ptr, i64, i64 }, ptr %a2
+inrange8744:
+  %t187 = extractvalue { ptr, i64, i64 } %t184, 0
+  %t188 = getelementptr inbounds %S.gen.FnSig, ptr %t187, i64 %t183
+  %t189 = getelementptr inbounds %S.gen.FnSig, ptr %t188, i32 0, i32 17
+  %t190 = load i64, ptr %t189
+  %t191 = load { ptr, i64, i64 }, ptr %t179
   %t192 = extractvalue { ptr, i64, i64 } %t191, 1
-  %t193 = icmp uge i64 0, %t192
-  br i1 %t193, label %range8291, label %inrange8292
-range8291:
-  call void @finch_panic_index(ptr @.str.5743, i64 5144, i64 0, i64 %t192)
+  %t193 = icmp uge i64 %t190, %t192
+  br i1 %t193, label %range8745, label %inrange8746
+range8745:
+  call void @finch_panic_index(ptr @.str.5957, i64 5573, i64 %t190, i64 %t192)
   unreachable
-inrange8292:
+inrange8746:
   %t194 = extractvalue { ptr, i64, i64 } %t191, 0
-  %t195 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i64 0
-  %t196 = load { ptr, i64, i64 }, ptr %t195
-  store { ptr, i64, i64 } %t196, ptr %a198
-  store { ptr, i64, i64 } { ptr @.str.5744, i64 64, i64 0 }, ptr %a199
-  call void @finch_str_concat(ptr %a197, ptr %a198, ptr %a199)
-  %t200 = load { ptr, i64, i64 }, ptr %a197
-  %t201 = extractvalue { ptr, i64, i64 } %t200, 1
-  %t202 = trunc i64 %t201 to i32
-  %t203 = extractvalue { ptr, i64, i64 } %t200, 0
-  %t204 = icmp eq ptr %t203, null
-  %t205 = select i1 %t204, ptr @.str.5745, ptr %t203
-  %t206 = call i32 (ptr, ...) @printf(ptr @.str.5746, i32 %t202, ptr %t205)
-  %t207 = call i32 (ptr, ...) @printf(ptr @.str.5747)
-  %t208 = trunc i64 1 to i32
-  %t209 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t208)
-  br label %endif8290
-endif8290:
-  br label %endif8270
-endif8270:
-  store i64 0, ptr %a210
-  br label %while.cond8293
-while.cond8293:
-  %t211 = load i64, ptr %a210
-  %t212 = load ptr, ptr %a46
-  %t213 = icmp eq ptr %t212, null
-  br i1 %t213, label %panic8296, label %ok8297
-panic8296:
-  call void @finch_panic(ptr @.str.5748, i64 5149, ptr @.str.5749)
+  %t195 = getelementptr inbounds %S.ast.Node, ptr %t194, i64 %t190
+  %t196 = load %S.ast.Node, ptr %t195
+  call void @finch.gen.fail(ptr %t159, %S.ast.Node %t196, { ptr, i64, i64 } { ptr @.str.5958, i64 82, i64 0 })
+  br label %endif8732
+endif8732:
+  br label %endif8729
+else8728:
+  %t197 = load i64, ptr %a155
+  %t198 = icmp slt i64 %t197, 0
+  br i1 %t198, label %then8747, label %endif8749
+then8747:
+  %t199 = load { ptr, i64, i64 }, ptr %a2
+  %t200 = extractvalue { ptr, i64, i64 } %t199, 1
+  %t201 = icmp uge i64 0, %t200
+  br i1 %t201, label %range8750, label %inrange8751
+range8750:
+  call void @finch_panic_index(ptr @.str.5959, i64 5576, i64 0, i64 %t200)
   unreachable
-ok8297:
-  %t214 = getelementptr inbounds %S.gen.Gen, ptr %t212, i32 0, i32 14
-  %t215 = getelementptr inbounds { ptr, i64, i64 }, ptr %t214, i32 0, i32 1
-  %t216 = load i64, ptr %t215
-  %t217 = icmp slt i64 %t211, %t216
-  br i1 %t217, label %while.body8294, label %while.end8295
-while.body8294:
-  %t218 = load ptr, ptr %a46
-  %t219 = load i64, ptr %a210
-  call void @finch.gen.define(ptr %t218, i64 %t219)
-  %t220 = load i64, ptr %a210
-  %t221 = add i64 %t220, 1
-  store i64 %t221, ptr %a210
-  br label %while.cond8293
-while.end8295:
-  %t222 = load ptr, ptr %a46
-  %t223 = icmp eq ptr %t222, null
-  br i1 %t223, label %panic8298, label %ok8299
-panic8298:
-  call void @finch_panic(ptr @.str.5750, i64 5153, ptr @.str.5751)
+inrange8751:
+  %t202 = extractvalue { ptr, i64, i64 } %t199, 0
+  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t202, i64 0
+  %t204 = load { ptr, i64, i64 }, ptr %t203
+  store { ptr, i64, i64 } %t204, ptr %a206
+  store { ptr, i64, i64 } { ptr @.str.5960, i64 64, i64 0 }, ptr %a207
+  call void @finch_str_concat(ptr %a205, ptr %a206, ptr %a207)
+  %t208 = load { ptr, i64, i64 }, ptr %a205
+  %t209 = extractvalue { ptr, i64, i64 } %t208, 1
+  %t210 = trunc i64 %t209 to i32
+  %t211 = extractvalue { ptr, i64, i64 } %t208, 0
+  %t212 = icmp eq ptr %t211, null
+  %t213 = select i1 %t212, ptr @.str.5961, ptr %t211
+  %t214 = call i32 (ptr, ...) @printf(ptr @.str.5962, i32 %t210, ptr %t213)
+  store { ptr, i64, i64 } %t208, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = call i32 (ptr, ...) @printf(ptr @.str.5963)
+  %t217 = trunc i64 1 to i32
+  %t218 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t217)
+  br label %endif8749
+endif8749:
+  br label %endif8729
+endif8729:
+  store i64 0, ptr %a219
+  br label %while.cond8752
+while.cond8752:
+  %t220 = load i64, ptr %a219
+  %t221 = load ptr, ptr %a46
+  %t222 = icmp eq ptr %t221, null
+  br i1 %t222, label %panic8755, label %ok8756
+panic8755:
+  call void @finch_panic(ptr @.str.5964, i64 5581, ptr @.str.5965)
   unreachable
-ok8299:
-  %t224 = getelementptr inbounds %S.gen.Gen, ptr %t222, i32 0, i32 26
-  %t225 = load i1, ptr %t224
-  br i1 %t225, label %then8300, label %endif8302
-then8300:
-  %t226 = load ptr, ptr %a46
-  %t227 = icmp eq ptr %t226, null
-  br i1 %t227, label %panic8303, label %ok8304
-panic8303:
-  call void @finch_panic(ptr @.str.5752, i64 5154, ptr @.str.5753)
+ok8756:
+  %t223 = getelementptr inbounds %S.gen.Gen, ptr %t221, i32 0, i32 15
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i32 0, i32 1
+  %t225 = load i64, ptr %t224
+  %t226 = icmp slt i64 %t220, %t225
+  br i1 %t226, label %while.body8753, label %while.end8754
+while.body8753:
+  %t227 = load ptr, ptr %a46
+  %t228 = load i64, ptr %a219
+  call void @finch.gen.define(ptr %t227, i64 %t228)
+  %t229 = load i64, ptr %a219
+  %t230 = add i64 %t229, 1
+  store i64 %t230, ptr %a219
+  br label %while.cond8752
+while.end8754:
+  %t231 = load ptr, ptr %a46
+  %t232 = icmp eq ptr %t231, null
+  br i1 %t232, label %panic8757, label %ok8758
+panic8757:
+  call void @finch_panic(ptr @.str.5966, i64 5585, ptr @.str.5967)
   unreachable
-ok8304:
-  %t228 = getelementptr inbounds %S.gen.Gen, ptr %t226, i32 0, i32 0
-  %t229 = load { ptr, i64, i64 }, ptr %t228
-  %t230 = extractvalue { ptr, i64, i64 } %t229, 1
-  %t231 = icmp uge i64 0, %t230
-  br i1 %t231, label %range8305, label %inrange8306
-range8305:
-  call void @finch_panic_index(ptr @.str.5754, i64 5154, i64 0, i64 %t230)
+ok8758:
+  %t233 = getelementptr inbounds %S.gen.Gen, ptr %t231, i32 0, i32 27
+  %t234 = load i1, ptr %t233
+  br i1 %t234, label %then8759, label %endif8761
+then8759:
+  %t235 = load ptr, ptr %a46
+  %t236 = icmp eq ptr %t235, null
+  br i1 %t236, label %panic8762, label %ok8763
+panic8762:
+  call void @finch_panic(ptr @.str.5968, i64 5586, ptr @.str.5969)
   unreachable
-inrange8306:
-  %t232 = extractvalue { ptr, i64, i64 } %t229, 0
-  %t233 = getelementptr inbounds %S.ast.Program, ptr %t232, i64 0
-  %t234 = getelementptr inbounds %S.ast.Program, ptr %t233, i32 0, i32 2
-  %t235 = load { ptr, i64, i64 }, ptr %t234
-  store { ptr, i64, i64 } %t235, ptr %a236
-  call void @finch.copy.arr_str(ptr %a237, ptr %a236)
-  %t238 = load { ptr, i64, i64 }, ptr %a237
-  store { ptr, i64, i64 } %t238, ptr %a239
-  %t240 = load ptr, ptr %a46
-  %t241 = load { ptr, i64, i64 }, ptr %a239
-  call void @finch.gen.indexAll(ptr %t240, { ptr, i64, i64 } %t241)
-  %t242 = load ptr, ptr %a46
-  %t243 = icmp eq ptr %t242, null
-  br i1 %t243, label %panic8307, label %ok8308
-panic8307:
-  call void @finch_panic(ptr @.str.5755, i64 5156, ptr @.str.5756)
+ok8763:
+  %t237 = getelementptr inbounds %S.gen.Gen, ptr %t235, i32 0, i32 0
+  %t238 = load { ptr, i64, i64 }, ptr %t237
+  %t239 = extractvalue { ptr, i64, i64 } %t238, 1
+  %t240 = icmp uge i64 0, %t239
+  br i1 %t240, label %range8764, label %inrange8765
+range8764:
+  call void @finch_panic_index(ptr @.str.5970, i64 5586, i64 0, i64 %t239)
   unreachable
-ok8308:
-  %t244 = getelementptr inbounds %S.gen.Gen, ptr %t242, i32 0, i32 27
-  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %t244, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.5757, i64 1, i64 0 }, ptr %a246
-  call void @finch_str_join(ptr %a247, ptr %t244, ptr %a246)
-  %t248 = load { ptr, i64, i64 }, ptr %a247
-  ret { ptr, i64, i64 } %t248
-endif8302:
+inrange8765:
+  %t241 = extractvalue { ptr, i64, i64 } %t238, 0
+  %t242 = getelementptr inbounds %S.ast.Program, ptr %t241, i64 0
+  %t243 = getelementptr inbounds %S.ast.Program, ptr %t242, i32 0, i32 2
+  %t244 = load { ptr, i64, i64 }, ptr %t243
+  store { ptr, i64, i64 } %t244, ptr %a245
+  call void @finch.copy.arr_str(ptr %a246, ptr %a245)
+  %t247 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t247, ptr %a248
   %t249 = load ptr, ptr %a46
-  %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic8309, label %ok8310
-panic8309:
-  call void @finch_panic(ptr @.str.5758, i64 5158, ptr @.str.5759)
+  %t250 = load { ptr, i64, i64 }, ptr %a248
+  call void @finch.gen.indexAll(ptr %t249, { ptr, i64, i64 } %t250)
+  %t251 = load ptr, ptr %a46
+  %t252 = icmp eq ptr %t251, null
+  br i1 %t252, label %panic8766, label %ok8767
+panic8766:
+  call void @finch_panic(ptr @.str.5971, i64 5588, ptr @.str.5972)
   unreachable
-ok8310:
-  %t251 = getelementptr inbounds %S.gen.Gen, ptr %t249, i32 0, i32 14
-  store i64 0, ptr %a252
-  br label %each.cond8311
-each.cond8311:
-  %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t251, i32 0, i32 1
-  %t254 = load i64, ptr %t253
-  %t255 = load i64, ptr %a252
-  %t256 = icmp slt i64 %t255, %t254
-  br i1 %t256, label %each.body8312, label %each.end8314
-each.body8312:
-  %t257 = load ptr, ptr %t251
-  %t258 = getelementptr inbounds %S.gen.FnSig, ptr %t257, i64 %t255
-  %t259 = load %S.gen.FnSig, ptr %t258
-  store %S.gen.FnSig %t259, ptr %a260
-  %t261 = getelementptr inbounds %S.gen.FnSig, ptr %a260, i32 0, i32 5
-  %t262 = load i1, ptr %t261
-  br i1 %t262, label %then8315, label %endif8317
-then8315:
-  %t263 = load ptr, ptr %a46
-  %t264 = load %S.gen.FnSig, ptr %a260
-  %t265 = call { ptr, i64, i64 } @finch.gen.exportWrapper(ptr %t263, %S.gen.FnSig %t264)
-  br label %endif8317
-endif8317:
-  br label %each.step8313
-each.step8313:
-  %t266 = load i64, ptr %a252
-  %t267 = add i64 %t266, 1
-  store i64 %t267, ptr %a252
-  br label %each.cond8311
-each.end8314:
-  %t268 = load i1, ptr %a7
-  br i1 %t268, label %then8318, label %endif8320
-then8318:
-  store { ptr, i64, i64 } { ptr @.str.5760, i64 0, i64 0 }, ptr %a269
-  %t270 = load ptr, ptr %a46
-  %t271 = icmp eq ptr %t270, null
-  br i1 %t271, label %panic8321, label %ok8322
-panic8321:
-  call void @finch_panic(ptr @.str.5761, i64 5166, ptr @.str.5762)
+ok8767:
+  %t253 = getelementptr inbounds %S.gen.Gen, ptr %t251, i32 0, i32 28
+  %t254 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.5973, i64 1, i64 0 }, ptr %a255
+  call void @finch_str_join(ptr %a256, ptr %t253, ptr %a255)
+  %t257 = load { ptr, i64, i64 }, ptr %a256
+  call void @finch.drop.arr_str(ptr %a248)
+  call void @finch.drop.S_gen_Gen(ptr %a45)
+  ret { ptr, i64, i64 } %t257
+endif8761:
+  %t258 = load ptr, ptr %a46
+  %t259 = icmp eq ptr %t258, null
+  br i1 %t259, label %panic8791, label %ok8792
+panic8791:
+  call void @finch_panic(ptr @.str.5974, i64 5590, ptr @.str.5975)
   unreachable
-ok8322:
-  %t272 = getelementptr inbounds %S.gen.Gen, ptr %t270, i32 0, i32 29
-  %t273 = getelementptr inbounds %S.platform.Target, ptr %t272, i32 0, i32 1
-  %t274 = load i1, ptr %t273
-  br i1 %t274, label %then8323, label %endif8325
-then8323:
-  store { ptr, i64, i64 } { ptr @.str.5763, i64 10, i64 0 }, ptr %a269
-  br label %endif8325
-endif8325:
-  %t275 = load ptr, ptr %a46
-  %t276 = icmp eq ptr %t275, null
-  br i1 %t276, label %panic8326, label %ok8327
-panic8326:
-  call void @finch_panic(ptr @.str.5764, i64 5169, ptr @.str.5765)
+ok8792:
+  %t260 = getelementptr inbounds %S.gen.Gen, ptr %t258, i32 0, i32 15
+  store i64 0, ptr %a261
+  br label %each.cond8793
+each.cond8793:
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t260, i32 0, i32 1
+  %t263 = load i64, ptr %t262
+  %t264 = load i64, ptr %a261
+  %t265 = icmp slt i64 %t264, %t263
+  br i1 %t265, label %each.body8794, label %each.end8796
+each.body8794:
+  %t266 = load ptr, ptr %t260
+  %t267 = getelementptr inbounds %S.gen.FnSig, ptr %t266, i64 %t264
+  %t268 = load %S.gen.FnSig, ptr %t267
+  store %S.gen.FnSig %t268, ptr %a269
+  %t270 = getelementptr inbounds %S.gen.FnSig, ptr %a269, i32 0, i32 5
+  %t271 = load i1, ptr %t270
+  br i1 %t271, label %then8797, label %endif8799
+then8797:
+  %t272 = load ptr, ptr %a46
+  %t273 = load %S.gen.FnSig, ptr %a269
+  %t274 = call { ptr, i64, i64 } @finch.gen.exportWrapper(ptr %t272, %S.gen.FnSig %t273)
+  store { ptr, i64, i64 } %t274, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  br label %endif8799
+endif8799:
+  br label %each.step8795
+each.step8795:
+  %t276 = load i64, ptr %a261
+  %t277 = add i64 %t276, 1
+  store i64 %t277, ptr %a261
+  br label %each.cond8793
+each.end8796:
+  %t278 = load i1, ptr %a7
+  br i1 %t278, label %then8800, label %endif8802
+then8800:
+  store { ptr, i64, i64 } { ptr @.str.5976, i64 0, i64 0 }, ptr %a279
+  %t280 = load ptr, ptr %a46
+  %t281 = icmp eq ptr %t280, null
+  br i1 %t281, label %panic8803, label %ok8804
+panic8803:
+  call void @finch_panic(ptr @.str.5977, i64 5598, ptr @.str.5978)
   unreachable
-ok8327:
-  %t277 = getelementptr inbounds %S.gen.Gen, ptr %t275, i32 0, i32 3
-  %t278 = getelementptr inbounds { ptr, i64, i64 }, ptr %t277, i32 0, i32 1
-  %t279 = load { ptr, i64, i64 }, ptr %a269
-  store { ptr, i64, i64 } { ptr @.str.5766, i64 6, i64 0 }, ptr %a281
-  store { ptr, i64, i64 } %t279, ptr %a282
-  call void @finch_str_concat(ptr %a280, ptr %a281, ptr %a282)
-  %t283 = load { ptr, i64, i64 }, ptr %a280
-  store { ptr, i64, i64 } %t283, ptr %a285
-  store { ptr, i64, i64 } { ptr @.str.5767, i64 107, i64 0 }, ptr %a286
-  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
-  %t287 = load { ptr, i64, i64 }, ptr %a284
-  %t288 = load i64, ptr %t278
-  %t289 = add i64 %t288, 1
-  call void @finch_arr_reserve(ptr %t277, i64 %t289, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t290 = load ptr, ptr %t277
-  %t291 = getelementptr inbounds { ptr, i64, i64 }, ptr %t290, i64 %t288
-  store { ptr, i64, i64 } %t287, ptr %t291
-  store i64 %t289, ptr %t278
-  %t292 = load ptr, ptr %a46
-  %t293 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t292)
-  ret { ptr, i64, i64 } %t293
-endif8320:
-  %t294 = load ptr, ptr %a46
-  %t295 = icmp eq ptr %t294, null
-  br i1 %t295, label %panic8328, label %ok8329
-panic8328:
-  call void @finch_panic(ptr @.str.5768, i64 5173, ptr @.str.5769)
+ok8804:
+  %t282 = getelementptr inbounds %S.gen.Gen, ptr %t280, i32 0, i32 30
+  %t283 = getelementptr inbounds %S.platform.Target, ptr %t282, i32 0, i32 1
+  %t284 = load i1, ptr %t283
+  br i1 %t284, label %then8805, label %endif8807
+then8805:
+  %t285 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.5979, i64 10, i64 0 }, ptr %a279
+  store { ptr, i64, i64 } %t285, ptr %a286
+  call void @finch_str_drop(ptr %a286)
+  br label %endif8807
+endif8807:
+  %t287 = load ptr, ptr %a46
+  %t288 = icmp eq ptr %t287, null
+  br i1 %t288, label %panic8808, label %ok8809
+panic8808:
+  call void @finch_panic(ptr @.str.5980, i64 5601, ptr @.str.5981)
   unreachable
-ok8329:
-  %t296 = getelementptr inbounds %S.gen.Gen, ptr %t294, i32 0, i32 14
-  %t297 = load i64, ptr %a147
-  %t298 = load { ptr, i64, i64 }, ptr %t296
-  %t299 = extractvalue { ptr, i64, i64 } %t298, 1
-  %t300 = icmp uge i64 %t297, %t299
-  br i1 %t300, label %range8330, label %inrange8331
-range8330:
-  call void @finch_panic_index(ptr @.str.5770, i64 5173, i64 %t297, i64 %t299)
+ok8809:
+  %t289 = getelementptr inbounds %S.gen.Gen, ptr %t287, i32 0, i32 3
+  %t290 = getelementptr inbounds { ptr, i64, i64 }, ptr %t289, i32 0, i32 1
+  %t291 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } { ptr @.str.5982, i64 6, i64 0 }, ptr %a293
+  store { ptr, i64, i64 } %t291, ptr %a294
+  call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
+  %t295 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t295, ptr %a297
+  store { ptr, i64, i64 } { ptr @.str.5983, i64 107, i64 0 }, ptr %a298
+  call void @finch_str_concat(ptr %a296, ptr %a297, ptr %a298)
+  store { ptr, i64, i64 } %t295, ptr %a299
+  call void @finch_str_drop(ptr %a299)
+  %t300 = load { ptr, i64, i64 }, ptr %a296
+  %t301 = load i64, ptr %t290
+  %t302 = add i64 %t301, 1
+  call void @finch_arr_reserve(ptr %t289, i64 %t302, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t303 = load ptr, ptr %t289
+  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %t303, i64 %t301
+  store { ptr, i64, i64 } %t300, ptr %t304
+  store i64 %t302, ptr %t290
+  %t305 = load ptr, ptr %a46
+  %t306 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t305)
+  call void @finch_str_drop(ptr %a279)
+  call void @finch.drop.S_gen_Gen(ptr %a45)
+  ret { ptr, i64, i64 } %t306
+endif8802:
+  %t307 = load ptr, ptr %a46
+  %t308 = icmp eq ptr %t307, null
+  br i1 %t308, label %panic8810, label %ok8811
+panic8810:
+  call void @finch_panic(ptr @.str.5984, i64 5605, ptr @.str.5985)
   unreachable
-inrange8331:
-  %t301 = extractvalue { ptr, i64, i64 } %t298, 0
-  %t302 = getelementptr inbounds %S.gen.FnSig, ptr %t301, i64 %t297
-  %t303 = load %S.gen.FnSig, ptr %t302
-  store %S.gen.FnSig %t303, ptr %a304
-  call void @finch.copy.S_gen_FnSig(ptr %a305, ptr %a304)
-  %t306 = load %S.gen.FnSig, ptr %a305
-  store %S.gen.FnSig %t306, ptr %a307
-  %t308 = load ptr, ptr %a46
-  %t309 = load %S.gen.FnSig, ptr %a307
-  %t310 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t308, %S.gen.FnSig %t309)
-  store { ptr, i64, i64 } { ptr @.str.5771, i64 5, i64 0 }, ptr %a312
-  store { ptr, i64, i64 } %t310, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t314, ptr %a316
-  store { ptr, i64, i64 } { ptr @.str.5772, i64 1, i64 0 }, ptr %a317
-  call void @finch_str_concat(ptr %a315, ptr %a316, ptr %a317)
-  %t318 = load { ptr, i64, i64 }, ptr %a315
-  %t319 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 11
-  %t320 = load { ptr, i64, i64 }, ptr %t319
-  store { ptr, i64, i64 } %t318, ptr %a322
-  store { ptr, i64, i64 } %t320, ptr %a323
-  call void @finch_str_concat(ptr %a321, ptr %a322, ptr %a323)
-  %t324 = load { ptr, i64, i64 }, ptr %a321
-  store { ptr, i64, i64 } %t324, ptr %a326
-  store { ptr, i64, i64 } { ptr @.str.5773, i64 1, i64 0 }, ptr %a327
-  call void @finch_str_concat(ptr %a325, ptr %a326, ptr %a327)
-  %t328 = load { ptr, i64, i64 }, ptr %a325
-  store { ptr, i64, i64 } %t328, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5774, i64 0, i64 0 }, ptr %a330
-  %t331 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 13
-  %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i32 0, i32 1
-  %t333 = load i64, ptr %t332
-  %t334 = icmp eq i64 %t333, 1
-  br i1 %t334, label %then8332, label %endif8334
-then8332:
-  store { ptr, i64, i64 } { ptr @.str.5775, i64 133, i64 0 }, ptr %a330
-  %t335 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t335, ptr %a337
-  store { ptr, i64, i64 } { ptr @.str.5776, i64 20, i64 0 }, ptr %a338
+ok8811:
+  %t309 = getelementptr inbounds %S.gen.Gen, ptr %t307, i32 0, i32 15
+  %t310 = load i64, ptr %a155
+  %t311 = load { ptr, i64, i64 }, ptr %t309
+  %t312 = extractvalue { ptr, i64, i64 } %t311, 1
+  %t313 = icmp uge i64 %t310, %t312
+  br i1 %t313, label %range8812, label %inrange8813
+range8812:
+  call void @finch_panic_index(ptr @.str.5986, i64 5605, i64 %t310, i64 %t312)
+  unreachable
+inrange8813:
+  %t314 = extractvalue { ptr, i64, i64 } %t311, 0
+  %t315 = getelementptr inbounds %S.gen.FnSig, ptr %t314, i64 %t310
+  %t316 = load %S.gen.FnSig, ptr %t315
+  store %S.gen.FnSig %t316, ptr %a317
+  call void @finch.copy.S_gen_FnSig(ptr %a318, ptr %a317)
+  %t319 = load %S.gen.FnSig, ptr %a318
+  store %S.gen.FnSig %t319, ptr %a320
+  %t321 = load ptr, ptr %a46
+  %t322 = load %S.gen.FnSig, ptr %a320
+  %t323 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t321, %S.gen.FnSig %t322)
+  store { ptr, i64, i64 } { ptr @.str.5987, i64 5, i64 0 }, ptr %a325
+  store { ptr, i64, i64 } %t323, ptr %a326
+  call void @finch_str_concat(ptr %a324, ptr %a325, ptr %a326)
+  store { ptr, i64, i64 } %t323, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  %t328 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t328, ptr %a330
+  store { ptr, i64, i64 } { ptr @.str.5988, i64 1, i64 0 }, ptr %a331
+  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
+  store { ptr, i64, i64 } %t328, ptr %a332
+  call void @finch_str_drop(ptr %a332)
+  %t333 = load { ptr, i64, i64 }, ptr %a329
+  %t334 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 11
+  %t335 = load { ptr, i64, i64 }, ptr %t334
+  store { ptr, i64, i64 } %t333, ptr %a337
+  store { ptr, i64, i64 } %t335, ptr %a338
   call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
-  %t339 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } %t339, ptr %a329
-  br label %endif8334
-endif8334:
-  %t340 = load { ptr, i64, i64 }, ptr %a329
+  store { ptr, i64, i64 } %t333, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
   store { ptr, i64, i64 } %t340, ptr %a342
-  store { ptr, i64, i64 } { ptr @.str.5777, i64 1, i64 0 }, ptr %a343
+  store { ptr, i64, i64 } { ptr @.str.5989, i64 1, i64 0 }, ptr %a343
   call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  store { ptr, i64, i64 } %t344, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5778, i64 12, i64 0 }, ptr %a345
-  %t346 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 9
-  %t347 = load i1, ptr %t346
-  br i1 %t347, label %then8335, label %else8336
-then8335:
-  %t348 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5779, i64 5, i64 0 }, ptr %a350
-  store { ptr, i64, i64 } %t348, ptr %a351
-  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
-  %t352 = load { ptr, i64, i64 }, ptr %a349
-  store { ptr, i64, i64 } %t352, ptr %a329
-  %t353 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t353, ptr %a355
-  store { ptr, i64, i64 } { ptr @.str.5780, i64 2, i64 0 }, ptr %a356
-  call void @finch_str_concat(ptr %a354, ptr %a355, ptr %a356)
-  %t357 = load { ptr, i64, i64 }, ptr %a354
-  %t358 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t357, ptr %a360
-  store { ptr, i64, i64 } %t358, ptr %a361
-  call void @finch_str_concat(ptr %a359, ptr %a360, ptr %a361)
-  %t362 = load { ptr, i64, i64 }, ptr %a359
-  store { ptr, i64, i64 } %t362, ptr %a364
-  store { ptr, i64, i64 } { ptr @.str.5781, i64 1, i64 0 }, ptr %a365
-  call void @finch_str_concat(ptr %a363, ptr %a364, ptr %a365)
-  %t366 = load { ptr, i64, i64 }, ptr %a363
-  store { ptr, i64, i64 } %t366, ptr %a330
-  store { ptr, i64, i64 } { ptr @.str.5782, i64 0, i64 0 }, ptr %a329
-  %t367 = load ptr, ptr %a46
-  %t368 = load %S.gen.FnSig, ptr %a307
-  %t369 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t367, %S.gen.FnSig %t368)
-  store { ptr, i64, i64 } %t369, ptr %a370
-  %t371 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t371, ptr %a373
-  store { ptr, i64, i64 } { ptr @.str.5783, i64 21, i64 0 }, ptr %a374
+  store { ptr, i64, i64 } %t340, ptr %a344
+  call void @finch_str_drop(ptr %a344)
+  %t345 = load { ptr, i64, i64 }, ptr %a341
+  store { ptr, i64, i64 } %t345, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.5990, i64 0, i64 0 }, ptr %a347
+  %t348 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 13
+  %t349 = getelementptr inbounds { ptr, i64, i64 }, ptr %t348, i32 0, i32 1
+  %t350 = load i64, ptr %t349
+  %t351 = icmp eq i64 %t350, 1
+  br i1 %t351, label %then8814, label %endif8816
+then8814:
+  %t352 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } { ptr @.str.5991, i64 133, i64 0 }, ptr %a347
+  store { ptr, i64, i64 } %t352, ptr %a353
+  call void @finch_str_drop(ptr %a353)
+  %t354 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t354, ptr %a356
+  store { ptr, i64, i64 } { ptr @.str.5992, i64 20, i64 0 }, ptr %a357
+  call void @finch_str_concat(ptr %a355, ptr %a356, ptr %a357)
+  %t358 = load { ptr, i64, i64 }, ptr %a355
+  %t359 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t358, ptr %a346
+  store { ptr, i64, i64 } %t359, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  br label %endif8816
+endif8816:
+  %t361 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t361, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.5993, i64 1, i64 0 }, ptr %a364
+  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
+  %t365 = load { ptr, i64, i64 }, ptr %a362
+  %t366 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t365, ptr %a346
+  store { ptr, i64, i64 } %t366, ptr %a367
+  call void @finch_str_drop(ptr %a367)
+  store { ptr, i64, i64 } { ptr @.str.5994, i64 12, i64 0 }, ptr %a368
+  %t369 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 9
+  %t370 = load i1, ptr %t369
+  br i1 %t370, label %then8817, label %else8818
+then8817:
+  %t371 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.5995, i64 5, i64 0 }, ptr %a373
+  store { ptr, i64, i64 } %t371, ptr %a374
   call void @finch_str_concat(ptr %a372, ptr %a373, ptr %a374)
   %t375 = load { ptr, i64, i64 }, ptr %a372
-  %t376 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } %t375, ptr %a378
-  store { ptr, i64, i64 } %t376, ptr %a379
-  call void @finch_str_concat(ptr %a377, ptr %a378, ptr %a379)
-  %t380 = load { ptr, i64, i64 }, ptr %a377
-  store { ptr, i64, i64 } %t380, ptr %a382
-  store { ptr, i64, i64 } { ptr @.str.5784, i64 62, i64 0 }, ptr %a383
-  call void @finch_str_concat(ptr %a381, ptr %a382, ptr %a383)
-  %t384 = load { ptr, i64, i64 }, ptr %a381
-  store { ptr, i64, i64 } %t384, ptr %a330
-  %t385 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t385, ptr %a387
-  store { ptr, i64, i64 } { ptr @.str.5785, i64 20, i64 0 }, ptr %a388
-  call void @finch_str_concat(ptr %a386, ptr %a387, ptr %a388)
-  %t389 = load { ptr, i64, i64 }, ptr %a386
-  %t390 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } %t389, ptr %a392
-  store { ptr, i64, i64 } %t390, ptr %a393
-  call void @finch_str_concat(ptr %a391, ptr %a392, ptr %a393)
-  %t394 = load { ptr, i64, i64 }, ptr %a391
-  store { ptr, i64, i64 } %t394, ptr %a396
-  store { ptr, i64, i64 } { ptr @.str.5786, i64 78, i64 0 }, ptr %a397
-  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
-  %t398 = load { ptr, i64, i64 }, ptr %a395
-  store { ptr, i64, i64 } %t398, ptr %a330
-  %t399 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } %t399, ptr %a401
-  store { ptr, i64, i64 } { ptr @.str.5787, i64 62, i64 0 }, ptr %a402
-  call void @finch_str_concat(ptr %a400, ptr %a401, ptr %a402)
-  %t403 = load { ptr, i64, i64 }, ptr %a400
-  store { ptr, i64, i64 } %t403, ptr %a330
-  %t404 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 12
-  %t405 = getelementptr inbounds %S.ast.Type, ptr %t404, i32 0, i32 0
-  %t406 = load { ptr, i64, i64 }, ptr %t405
-  store { ptr, i64, i64 } %t406, ptr %a407
-  store { ptr, i64, i64 } { ptr @.str.5788, i64 3, i64 0 }, ptr %a408
-  %t409 = call i32 @finch_str_eq(ptr %a407, ptr %a408)
-  %t410 = icmp ne i32 %t409, 0
-  br i1 %t410, label %then8338, label %endif8340
-then8338:
-  %t411 = load { ptr, i64, i64 }, ptr %a370
-  store { ptr, i64, i64 } { ptr @.str.5789, i64 20, i64 0 }, ptr %a413
-  store { ptr, i64, i64 } %t411, ptr %a414
-  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
-  %t415 = load { ptr, i64, i64 }, ptr %a412
-  store { ptr, i64, i64 } %t415, ptr %a417
-  store { ptr, i64, i64 } { ptr @.str.5790, i64 53, i64 0 }, ptr %a418
-  call void @finch_str_concat(ptr %a416, ptr %a417, ptr %a418)
-  %t419 = load { ptr, i64, i64 }, ptr %a416
-  store { ptr, i64, i64 } %t419, ptr %a345
-  br label %endif8340
-endif8340:
-  br label %endif8337
-else8336:
-  %t420 = getelementptr inbounds %S.gen.FnSig, ptr %a307, i32 0, i32 12
-  %t421 = getelementptr inbounds %S.ast.Type, ptr %t420, i32 0, i32 0
-  %t422 = load { ptr, i64, i64 }, ptr %t421
-  store { ptr, i64, i64 } %t422, ptr %a423
-  store { ptr, i64, i64 } { ptr @.str.5791, i64 3, i64 0 }, ptr %a424
-  %t425 = call i32 @finch_str_eq(ptr %a423, ptr %a424)
-  %t426 = icmp ne i32 %t425, 0
-  br i1 %t426, label %then8341, label %endif8343
-then8341:
-  %t427 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5792, i64 5, i64 0 }, ptr %a429
-  store { ptr, i64, i64 } %t427, ptr %a430
-  call void @finch_str_concat(ptr %a428, ptr %a429, ptr %a430)
-  %t431 = load { ptr, i64, i64 }, ptr %a428
-  store { ptr, i64, i64 } %t431, ptr %a329
-  store { ptr, i64, i64 } { ptr @.str.5793, i64 46, i64 0 }, ptr %a345
-  br label %endif8343
-endif8343:
-  br label %endif8337
-endif8337:
-  %t432 = load ptr, ptr %a46
-  %t433 = icmp eq ptr %t432, null
-  br i1 %t433, label %panic8344, label %ok8345
-panic8344:
-  call void @finch_panic(ptr @.str.5794, i64 5198, ptr @.str.5795)
+  %t376 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t375, ptr %a346
+  store { ptr, i64, i64 } %t376, ptr %a377
+  call void @finch_str_drop(ptr %a377)
+  %t378 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t378, ptr %a380
+  store { ptr, i64, i64 } { ptr @.str.5996, i64 2, i64 0 }, ptr %a381
+  call void @finch_str_concat(ptr %a379, ptr %a380, ptr %a381)
+  %t382 = load { ptr, i64, i64 }, ptr %a379
+  %t383 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t382, ptr %a385
+  store { ptr, i64, i64 } %t383, ptr %a386
+  call void @finch_str_concat(ptr %a384, ptr %a385, ptr %a386)
+  store { ptr, i64, i64 } %t382, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a384
+  store { ptr, i64, i64 } %t388, ptr %a390
+  store { ptr, i64, i64 } { ptr @.str.5997, i64 1, i64 0 }, ptr %a391
+  call void @finch_str_concat(ptr %a389, ptr %a390, ptr %a391)
+  store { ptr, i64, i64 } %t388, ptr %a392
+  call void @finch_str_drop(ptr %a392)
+  %t393 = load { ptr, i64, i64 }, ptr %a389
+  %t394 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t393, ptr %a347
+  store { ptr, i64, i64 } %t394, ptr %a395
+  call void @finch_str_drop(ptr %a395)
+  %t396 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.5998, i64 0, i64 0 }, ptr %a346
+  store { ptr, i64, i64 } %t396, ptr %a397
+  call void @finch_str_drop(ptr %a397)
+  %t398 = load ptr, ptr %a46
+  %t399 = load %S.gen.FnSig, ptr %a320
+  %t400 = call { ptr, i64, i64 } @finch.gen.retTy(ptr %t398, %S.gen.FnSig %t399)
+  store { ptr, i64, i64 } %t400, ptr %a401
+  %t402 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t402, ptr %a404
+  store { ptr, i64, i64 } { ptr @.str.5999, i64 21, i64 0 }, ptr %a405
+  call void @finch_str_concat(ptr %a403, ptr %a404, ptr %a405)
+  %t406 = load { ptr, i64, i64 }, ptr %a403
+  %t407 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } %t406, ptr %a409
+  store { ptr, i64, i64 } %t407, ptr %a410
+  call void @finch_str_concat(ptr %a408, ptr %a409, ptr %a410)
+  store { ptr, i64, i64 } %t406, ptr %a411
+  call void @finch_str_drop(ptr %a411)
+  %t412 = load { ptr, i64, i64 }, ptr %a408
+  store { ptr, i64, i64 } %t412, ptr %a414
+  store { ptr, i64, i64 } { ptr @.str.6000, i64 62, i64 0 }, ptr %a415
+  call void @finch_str_concat(ptr %a413, ptr %a414, ptr %a415)
+  store { ptr, i64, i64 } %t412, ptr %a416
+  call void @finch_str_drop(ptr %a416)
+  %t417 = load { ptr, i64, i64 }, ptr %a413
+  %t418 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t417, ptr %a347
+  store { ptr, i64, i64 } %t418, ptr %a419
+  call void @finch_str_drop(ptr %a419)
+  %t420 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t420, ptr %a422
+  store { ptr, i64, i64 } { ptr @.str.6001, i64 20, i64 0 }, ptr %a423
+  call void @finch_str_concat(ptr %a421, ptr %a422, ptr %a423)
+  %t424 = load { ptr, i64, i64 }, ptr %a421
+  %t425 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } %t424, ptr %a427
+  store { ptr, i64, i64 } %t425, ptr %a428
+  call void @finch_str_concat(ptr %a426, ptr %a427, ptr %a428)
+  store { ptr, i64, i64 } %t424, ptr %a429
+  call void @finch_str_drop(ptr %a429)
+  %t430 = load { ptr, i64, i64 }, ptr %a426
+  store { ptr, i64, i64 } %t430, ptr %a432
+  store { ptr, i64, i64 } { ptr @.str.6002, i64 78, i64 0 }, ptr %a433
+  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
+  store { ptr, i64, i64 } %t430, ptr %a434
+  call void @finch_str_drop(ptr %a434)
+  %t435 = load { ptr, i64, i64 }, ptr %a431
+  %t436 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t435, ptr %a347
+  store { ptr, i64, i64 } %t436, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t438, ptr %a440
+  store { ptr, i64, i64 } { ptr @.str.6003, i64 62, i64 0 }, ptr %a441
+  call void @finch_str_concat(ptr %a439, ptr %a440, ptr %a441)
+  %t442 = load { ptr, i64, i64 }, ptr %a439
+  %t443 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } %t442, ptr %a347
+  store { ptr, i64, i64 } %t443, ptr %a444
+  call void @finch_str_drop(ptr %a444)
+  %t445 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 12
+  %t446 = getelementptr inbounds %S.ast.Type, ptr %t445, i32 0, i32 0
+  %t447 = load { ptr, i64, i64 }, ptr %t446
+  store { ptr, i64, i64 } %t447, ptr %a448
+  store { ptr, i64, i64 } { ptr @.str.6004, i64 3, i64 0 }, ptr %a449
+  %t450 = call i32 @finch_str_eq(ptr %a448, ptr %a449)
+  %t451 = icmp ne i32 %t450, 0
+  br i1 %t451, label %then8820, label %endif8822
+then8820:
+  %t452 = load { ptr, i64, i64 }, ptr %a401
+  store { ptr, i64, i64 } { ptr @.str.6005, i64 20, i64 0 }, ptr %a454
+  store { ptr, i64, i64 } %t452, ptr %a455
+  call void @finch_str_concat(ptr %a453, ptr %a454, ptr %a455)
+  %t456 = load { ptr, i64, i64 }, ptr %a453
+  store { ptr, i64, i64 } %t456, ptr %a458
+  store { ptr, i64, i64 } { ptr @.str.6006, i64 53, i64 0 }, ptr %a459
+  call void @finch_str_concat(ptr %a457, ptr %a458, ptr %a459)
+  store { ptr, i64, i64 } %t456, ptr %a460
+  call void @finch_str_drop(ptr %a460)
+  %t461 = load { ptr, i64, i64 }, ptr %a457
+  %t462 = load { ptr, i64, i64 }, ptr %a368
+  store { ptr, i64, i64 } %t461, ptr %a368
+  store { ptr, i64, i64 } %t462, ptr %a463
+  call void @finch_str_drop(ptr %a463)
+  br label %endif8822
+endif8822:
+  call void @finch_str_drop(ptr %a401)
+  br label %endif8819
+else8818:
+  %t464 = getelementptr inbounds %S.gen.FnSig, ptr %a320, i32 0, i32 12
+  %t465 = getelementptr inbounds %S.ast.Type, ptr %t464, i32 0, i32 0
+  %t466 = load { ptr, i64, i64 }, ptr %t465
+  store { ptr, i64, i64 } %t466, ptr %a467
+  store { ptr, i64, i64 } { ptr @.str.6007, i64 3, i64 0 }, ptr %a468
+  %t469 = call i32 @finch_str_eq(ptr %a467, ptr %a468)
+  %t470 = icmp ne i32 %t469, 0
+  br i1 %t470, label %then8823, label %endif8825
+then8823:
+  %t471 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } { ptr @.str.6008, i64 5, i64 0 }, ptr %a473
+  store { ptr, i64, i64 } %t471, ptr %a474
+  call void @finch_str_concat(ptr %a472, ptr %a473, ptr %a474)
+  %t475 = load { ptr, i64, i64 }, ptr %a472
+  %t476 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t475, ptr %a346
+  store { ptr, i64, i64 } %t476, ptr %a477
+  call void @finch_str_drop(ptr %a477)
+  %t478 = load { ptr, i64, i64 }, ptr %a368
+  store { ptr, i64, i64 } { ptr @.str.6009, i64 46, i64 0 }, ptr %a368
+  store { ptr, i64, i64 } %t478, ptr %a479
+  call void @finch_str_drop(ptr %a479)
+  br label %endif8825
+endif8825:
+  br label %endif8819
+endif8819:
+  %t480 = load ptr, ptr %a46
+  %t481 = icmp eq ptr %t480, null
+  br i1 %t481, label %panic8826, label %ok8827
+panic8826:
+  call void @finch_panic(ptr @.str.6010, i64 5630, ptr @.str.6011)
   unreachable
-ok8345:
-  %t434 = getelementptr inbounds %S.gen.Gen, ptr %t432, i32 0, i32 3
-  %t435 = getelementptr inbounds { ptr, i64, i64 }, ptr %t434, i32 0, i32 1
-  %t436 = load { ptr, i64, i64 }, ptr %a330
-  store { ptr, i64, i64 } { ptr @.str.5796, i64 48, i64 0 }, ptr %a438
-  store { ptr, i64, i64 } %t436, ptr %a439
-  call void @finch_str_concat(ptr %a437, ptr %a438, ptr %a439)
-  %t440 = load { ptr, i64, i64 }, ptr %a437
-  store { ptr, i64, i64 } %t440, ptr %a442
-  store { ptr, i64, i64 } { ptr @.str.5797, i64 2, i64 0 }, ptr %a443
-  call void @finch_str_concat(ptr %a441, ptr %a442, ptr %a443)
-  %t444 = load { ptr, i64, i64 }, ptr %a441
-  %t445 = load { ptr, i64, i64 }, ptr %a329
-  store { ptr, i64, i64 } %t444, ptr %a447
-  store { ptr, i64, i64 } %t445, ptr %a448
-  call void @finch_str_concat(ptr %a446, ptr %a447, ptr %a448)
-  %t449 = load { ptr, i64, i64 }, ptr %a446
-  store { ptr, i64, i64 } %t449, ptr %a451
-  store { ptr, i64, i64 } { ptr @.str.5798, i64 1, i64 0 }, ptr %a452
-  call void @finch_str_concat(ptr %a450, ptr %a451, ptr %a452)
-  %t453 = load { ptr, i64, i64 }, ptr %a450
-  %t454 = load { ptr, i64, i64 }, ptr %a345
-  store { ptr, i64, i64 } %t453, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
-  call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
-  %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a460
-  store { ptr, i64, i64 } { ptr @.str.5799, i64 2, i64 0 }, ptr %a461
-  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
-  %t462 = load { ptr, i64, i64 }, ptr %a459
-  %t463 = load i64, ptr %t435
-  %t464 = add i64 %t463, 1
-  call void @finch_arr_reserve(ptr %t434, i64 %t464, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t465 = load ptr, ptr %t434
-  %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t465, i64 %t463
-  store { ptr, i64, i64 } %t462, ptr %t466
-  store i64 %t464, ptr %t435
-  %t467 = load ptr, ptr %a46
-  %t468 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t467)
-  ret { ptr, i64, i64 } %t468
+ok8827:
+  %t482 = getelementptr inbounds %S.gen.Gen, ptr %t480, i32 0, i32 3
+  %t483 = getelementptr inbounds { ptr, i64, i64 }, ptr %t482, i32 0, i32 1
+  %t484 = load { ptr, i64, i64 }, ptr %a347
+  store { ptr, i64, i64 } { ptr @.str.6012, i64 48, i64 0 }, ptr %a486
+  store { ptr, i64, i64 } %t484, ptr %a487
+  call void @finch_str_concat(ptr %a485, ptr %a486, ptr %a487)
+  %t488 = load { ptr, i64, i64 }, ptr %a485
+  store { ptr, i64, i64 } %t488, ptr %a490
+  store { ptr, i64, i64 } { ptr @.str.6013, i64 2, i64 0 }, ptr %a491
+  call void @finch_str_concat(ptr %a489, ptr %a490, ptr %a491)
+  store { ptr, i64, i64 } %t488, ptr %a492
+  call void @finch_str_drop(ptr %a492)
+  %t493 = load { ptr, i64, i64 }, ptr %a489
+  %t494 = load { ptr, i64, i64 }, ptr %a346
+  store { ptr, i64, i64 } %t493, ptr %a496
+  store { ptr, i64, i64 } %t494, ptr %a497
+  call void @finch_str_concat(ptr %a495, ptr %a496, ptr %a497)
+  store { ptr, i64, i64 } %t493, ptr %a498
+  call void @finch_str_drop(ptr %a498)
+  %t499 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } %t499, ptr %a501
+  store { ptr, i64, i64 } { ptr @.str.6014, i64 1, i64 0 }, ptr %a502
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  store { ptr, i64, i64 } %t499, ptr %a503
+  call void @finch_str_drop(ptr %a503)
+  %t504 = load { ptr, i64, i64 }, ptr %a500
+  %t505 = load { ptr, i64, i64 }, ptr %a368
+  store { ptr, i64, i64 } %t504, ptr %a507
+  store { ptr, i64, i64 } %t505, ptr %a508
+  call void @finch_str_concat(ptr %a506, ptr %a507, ptr %a508)
+  store { ptr, i64, i64 } %t504, ptr %a509
+  call void @finch_str_drop(ptr %a509)
+  %t510 = load { ptr, i64, i64 }, ptr %a506
+  store { ptr, i64, i64 } %t510, ptr %a512
+  store { ptr, i64, i64 } { ptr @.str.6015, i64 2, i64 0 }, ptr %a513
+  call void @finch_str_concat(ptr %a511, ptr %a512, ptr %a513)
+  store { ptr, i64, i64 } %t510, ptr %a514
+  call void @finch_str_drop(ptr %a514)
+  %t515 = load { ptr, i64, i64 }, ptr %a511
+  %t516 = load i64, ptr %t483
+  %t517 = add i64 %t516, 1
+  call void @finch_arr_reserve(ptr %t482, i64 %t517, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t518 = load ptr, ptr %t482
+  %t519 = getelementptr inbounds { ptr, i64, i64 }, ptr %t518, i64 %t516
+  store { ptr, i64, i64 } %t515, ptr %t519
+  store i64 %t517, ptr %t483
+  %t520 = load ptr, ptr %a46
+  %t521 = call { ptr, i64, i64 } @finch.gen.assemble(ptr %t520)
+  call void @finch_str_drop(ptr %a368)
+  call void @finch_str_drop(ptr %a347)
+  call void @finch_str_drop(ptr %a346)
+  call void @finch.drop.S_gen_FnSig(ptr %a320)
+  call void @finch.drop.S_gen_Gen(ptr %a45)
+  ret { ptr, i64, i64 } %t521
 }
 
 define internal %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2) {
@@ -77075,24 +92879,24 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.builtins() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5800, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5801, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.5802, i64 78, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5803, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5804, i64 31, i64 0 }, { ptr, i64, i64 } { ptr @.str.5805, i64 77, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5806, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5807, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.5808, i64 121, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5809, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.5810, i64 38, i64 0 }, { ptr, i64, i64 } { ptr @.str.5811, i64 83, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5812, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5813, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.5814, i64 29, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5815, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5816, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.5817, i64 73, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5818, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5819, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5820, i64 98, i64 0 })
-  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5821, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5822, i64 25, i64 0 }, { ptr, i64, i64 } { ptr @.str.5823, i64 66, i64 0 })
-  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5824, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5825, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5826, i64 48, i64 0 })
-  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5827, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5828, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5829, i64 77, i64 0 })
-  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5830, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5831, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.5832, i64 66, i64 0 })
-  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5833, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5834, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5835, i64 73, i64 0 })
-  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5836, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5837, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5838, i64 61, i64 0 })
-  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5839, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5840, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5841, i64 130, i64 0 })
-  %t15 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5842, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5843, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5844, i64 75, i64 0 })
-  %t16 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5845, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5846, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.5847, i64 29, i64 0 })
-  %t17 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5848, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5849, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.5850, i64 26, i64 0 })
-  %t18 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5851, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5852, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5853, i64 88, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6016, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6017, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.6018, i64 78, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6019, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6020, i64 31, i64 0 }, { ptr, i64, i64 } { ptr @.str.6021, i64 77, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6022, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6023, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.6024, i64 121, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6025, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.6026, i64 38, i64 0 }, { ptr, i64, i64 } { ptr @.str.6027, i64 83, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6028, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6029, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.6030, i64 29, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6031, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6032, i64 29, i64 0 }, { ptr, i64, i64 } { ptr @.str.6033, i64 73, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6034, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6035, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6036, i64 98, i64 0 })
+  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6037, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6038, i64 25, i64 0 }, { ptr, i64, i64 } { ptr @.str.6039, i64 66, i64 0 })
+  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6040, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6041, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6042, i64 48, i64 0 })
+  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6043, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6044, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.6045, i64 77, i64 0 })
+  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6046, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6047, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.6048, i64 66, i64 0 })
+  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6049, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6050, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6051, i64 73, i64 0 })
+  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6052, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6053, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6054, i64 61, i64 0 })
+  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6055, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6056, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6057, i64 130, i64 0 })
+  %t15 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6058, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6059, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.6060, i64 75, i64 0 })
+  %t16 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6061, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6062, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.6063, i64 29, i64 0 })
+  %t17 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6064, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6065, i64 19, i64 0 }, { ptr, i64, i64 } { ptr @.str.6066, i64 26, i64 0 })
+  %t18 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6067, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6068, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6069, i64 88, i64 0 })
   %t19 = mul i64 18, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t20 = call ptr @finch_alloc(i64 %t19)
   %t21 = getelementptr inbounds %S.docs.Doc, ptr %t20, i64 0
@@ -77140,20 +92944,20 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.arrayMethods() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5854, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5855, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5856, i64 23, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5857, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5858, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5859, i64 40, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5860, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5861, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5862, i64 18, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5863, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5864, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.5865, i64 43, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5866, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5867, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5868, i64 38, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5869, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5870, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5871, i64 37, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5872, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5873, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5874, i64 19, i64 0 })
-  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5875, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5876, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5877, i64 46, i64 0 })
-  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5878, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5879, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.5880, i64 22, i64 0 })
-  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5881, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.5882, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.5883, i64 18, i64 0 })
-  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5884, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5885, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5886, i64 37, i64 0 })
-  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5887, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5888, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5889, i64 18, i64 0 })
-  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5890, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5891, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.5892, i64 45, i64 0 })
-  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5893, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5894, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.5895, i64 47, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6070, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6071, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6072, i64 23, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6073, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6074, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6075, i64 40, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6076, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6077, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6078, i64 18, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6079, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6080, i64 10, i64 0 }, { ptr, i64, i64 } { ptr @.str.6081, i64 43, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6082, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6083, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6084, i64 38, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6085, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6086, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6087, i64 37, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6088, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6089, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6090, i64 19, i64 0 })
+  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6091, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6092, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6093, i64 46, i64 0 })
+  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6094, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6095, i64 16, i64 0 }, { ptr, i64, i64 } { ptr @.str.6096, i64 22, i64 0 })
+  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6097, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.6098, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.6099, i64 18, i64 0 })
+  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6100, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6101, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6102, i64 37, i64 0 })
+  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6103, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6104, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6105, i64 18, i64 0 })
+  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6106, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6107, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.6108, i64 45, i64 0 })
+  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6109, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6110, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.6111, i64 47, i64 0 })
   %t15 = mul i64 14, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t16 = call ptr @finch_alloc(i64 %t15)
   %t17 = getelementptr inbounds %S.docs.Doc, ptr %t16, i64 0
@@ -77193,20 +92997,20 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.strMethods() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5896, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5897, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5898, i64 20, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5899, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5900, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.5901, i64 59, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5902, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5903, i64 30, i64 0 }, { ptr, i64, i64 } { ptr @.str.5904, i64 29, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5905, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5906, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5907, i64 22, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5908, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.5909, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.5910, i64 24, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5911, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5912, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.5913, i64 27, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5914, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.5915, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.5916, i64 25, i64 0 })
-  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5917, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5918, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.5919, i64 62, i64 0 })
-  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5920, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5921, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5922, i64 41, i64 0 })
-  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5923, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5924, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5925, i64 24, i64 0 })
-  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5926, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5927, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.5928, i64 24, i64 0 })
-  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5929, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5930, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.5931, i64 26, i64 0 })
-  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5932, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5933, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.5934, i64 17, i64 0 })
-  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5935, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5936, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.5937, i64 22, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6112, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6113, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6114, i64 20, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6115, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6116, i64 17, i64 0 }, { ptr, i64, i64 } { ptr @.str.6117, i64 59, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6118, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6119, i64 30, i64 0 }, { ptr, i64, i64 } { ptr @.str.6120, i64 29, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6121, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6122, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6123, i64 22, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6124, i64 8, i64 0 }, { ptr, i64, i64 } { ptr @.str.6125, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.6126, i64 24, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6127, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6128, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.6129, i64 27, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6130, i64 9, i64 0 }, { ptr, i64, i64 } { ptr @.str.6131, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6132, i64 25, i64 0 })
+  %t8 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6133, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6134, i64 23, i64 0 }, { ptr, i64, i64 } { ptr @.str.6135, i64 62, i64 0 })
+  %t9 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6136, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6137, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6138, i64 41, i64 0 })
+  %t10 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6139, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6140, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6141, i64 24, i64 0 })
+  %t11 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6142, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6143, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6144, i64 24, i64 0 })
+  %t12 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6145, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6146, i64 32, i64 0 }, { ptr, i64, i64 } { ptr @.str.6147, i64 26, i64 0 })
+  %t13 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6148, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6149, i64 20, i64 0 }, { ptr, i64, i64 } { ptr @.str.6150, i64 17, i64 0 })
+  %t14 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6151, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6152, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.6153, i64 22, i64 0 })
   %t15 = mul i64 14, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t16 = call ptr @finch_alloc(i64 %t15)
   %t17 = getelementptr inbounds %S.docs.Doc, ptr %t16, i64 0
@@ -77246,13 +93050,13 @@ entry:
 define internal { ptr, i64, i64 } @finch.docs.mapMethods() {
 entry:
 
-  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5938, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5939, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.5940, i64 19, i64 0 })
-  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5941, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5942, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.5943, i64 22, i64 0 })
-  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5944, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.5945, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.5946, i64 53, i64 0 })
-  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5947, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5948, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.5949, i64 52, i64 0 })
-  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5950, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.5951, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.5952, i64 19, i64 0 })
-  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5953, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.5954, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.5955, i64 39, i64 0 })
-  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.5956, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.5957, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.5958, i64 47, i64 0 })
+  %t1 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6154, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6155, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6156, i64 19, i64 0 })
+  %t2 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6157, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6158, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6159, i64 22, i64 0 })
+  %t3 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6160, i64 3, i64 0 }, { ptr, i64, i64 } { ptr @.str.6161, i64 26, i64 0 }, { ptr, i64, i64 } { ptr @.str.6162, i64 53, i64 0 })
+  %t4 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6163, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6164, i64 21, i64 0 }, { ptr, i64, i64 } { ptr @.str.6165, i64 52, i64 0 })
+  %t5 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6166, i64 5, i64 0 }, { ptr, i64, i64 } { ptr @.str.6167, i64 7, i64 0 }, { ptr, i64, i64 } { ptr @.str.6168, i64 19, i64 0 })
+  %t6 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6169, i64 4, i64 0 }, { ptr, i64, i64 } { ptr @.str.6170, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6171, i64 39, i64 0 })
+  %t7 = call %S.docs.Doc @finch.docs.doc({ ptr, i64, i64 } { ptr @.str.6172, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6173, i64 15, i64 0 }, { ptr, i64, i64 } { ptr @.str.6174, i64 47, i64 0 })
   %t8 = mul i64 7, ptrtoint (ptr getelementptr (%S.docs.Doc, ptr null, i32 1) to i64)
   %t9 = call ptr @finch_alloc(i64 %t8)
   %t10 = getelementptr inbounds %S.docs.Doc, ptr %t9, i64 0
@@ -77281,49 +93085,49 @@ entry:
   %t1 = mul i64 22, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t2 = call ptr @finch_alloc(i64 %t1)
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5959, i64 2, i64 0 }, ptr %t3
+  store { ptr, i64, i64 } { ptr @.str.6175, i64 2, i64 0 }, ptr %t3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5960, i64 6, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.6176, i64 6, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5961, i64 2, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.6177, i64 2, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5962, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.6178, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5963, i64 5, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.6179, i64 5, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5964, i64 3, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.6180, i64 3, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5965, i64 2, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.6181, i64 2, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5966, i64 5, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.6182, i64 5, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 8
-  store { ptr, i64, i64 } { ptr @.str.5967, i64 8, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.6183, i64 8, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 9
-  store { ptr, i64, i64 } { ptr @.str.5968, i64 4, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.6184, i64 4, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 10
-  store { ptr, i64, i64 } { ptr @.str.5969, i64 5, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.6185, i64 5, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 11
-  store { ptr, i64, i64 } { ptr @.str.5970, i64 4, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.6186, i64 4, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 12
-  store { ptr, i64, i64 } { ptr @.str.5971, i64 6, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.6187, i64 6, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 13
-  store { ptr, i64, i64 } { ptr @.str.5972, i64 4, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.6188, i64 4, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 14
-  store { ptr, i64, i64 } { ptr @.str.5973, i64 6, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.6189, i64 6, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 15
-  store { ptr, i64, i64 } { ptr @.str.5974, i64 4, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.6190, i64 4, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 16
-  store { ptr, i64, i64 } { ptr @.str.5975, i64 5, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.6191, i64 5, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 17
-  store { ptr, i64, i64 } { ptr @.str.5976, i64 6, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.6192, i64 6, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 18
-  store { ptr, i64, i64 } { ptr @.str.5977, i64 5, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.6193, i64 5, i64 0 }, ptr %t21
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 19
-  store { ptr, i64, i64 } { ptr @.str.5978, i64 2, i64 0 }, ptr %t22
+  store { ptr, i64, i64 } { ptr @.str.6194, i64 2, i64 0 }, ptr %t22
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 20
-  store { ptr, i64, i64 } { ptr @.str.5979, i64 3, i64 0 }, ptr %t23
+  store { ptr, i64, i64 } { ptr @.str.6195, i64 3, i64 0 }, ptr %t23
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 21
-  store { ptr, i64, i64 } { ptr @.str.5980, i64 4, i64 0 }, ptr %t24
+  store { ptr, i64, i64 } { ptr @.str.6196, i64 4, i64 0 }, ptr %t24
   %t25 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
   %t26 = insertvalue { ptr, i64, i64 } %t25, i64 22, 1
   %t27 = insertvalue { ptr, i64, i64 } %t26, i64 22, 2
@@ -77336,45 +93140,62 @@ entry:
   %t1 = mul i64 17, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t2 = call ptr @finch_alloc(i64 %t1)
   %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 0
-  store { ptr, i64, i64 } { ptr @.str.5981, i64 3, i64 0 }, ptr %t3
+  store { ptr, i64, i64 } { ptr @.str.6197, i64 3, i64 0 }, ptr %t3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 1
-  store { ptr, i64, i64 } { ptr @.str.5982, i64 5, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.6198, i64 5, i64 0 }, ptr %t4
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 2
-  store { ptr, i64, i64 } { ptr @.str.5983, i64 4, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.6199, i64 4, i64 0 }, ptr %t5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 3
-  store { ptr, i64, i64 } { ptr @.str.5984, i64 4, i64 0 }, ptr %t6
+  store { ptr, i64, i64 } { ptr @.str.6200, i64 4, i64 0 }, ptr %t6
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 4
-  store { ptr, i64, i64 } { ptr @.str.5985, i64 3, i64 0 }, ptr %t7
+  store { ptr, i64, i64 } { ptr @.str.6201, i64 3, i64 0 }, ptr %t7
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 5
-  store { ptr, i64, i64 } { ptr @.str.5986, i64 3, i64 0 }, ptr %t8
+  store { ptr, i64, i64 } { ptr @.str.6202, i64 3, i64 0 }, ptr %t8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 6
-  store { ptr, i64, i64 } { ptr @.str.5987, i64 3, i64 0 }, ptr %t9
+  store { ptr, i64, i64 } { ptr @.str.6203, i64 3, i64 0 }, ptr %t9
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 7
-  store { ptr, i64, i64 } { ptr @.str.5988, i64 2, i64 0 }, ptr %t10
+  store { ptr, i64, i64 } { ptr @.str.6204, i64 2, i64 0 }, ptr %t10
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 8
-  store { ptr, i64, i64 } { ptr @.str.5989, i64 3, i64 0 }, ptr %t11
+  store { ptr, i64, i64 } { ptr @.str.6205, i64 3, i64 0 }, ptr %t11
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 9
-  store { ptr, i64, i64 } { ptr @.str.5990, i64 3, i64 0 }, ptr %t12
+  store { ptr, i64, i64 } { ptr @.str.6206, i64 3, i64 0 }, ptr %t12
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 10
-  store { ptr, i64, i64 } { ptr @.str.5991, i64 3, i64 0 }, ptr %t13
+  store { ptr, i64, i64 } { ptr @.str.6207, i64 3, i64 0 }, ptr %t13
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 11
-  store { ptr, i64, i64 } { ptr @.str.5992, i64 2, i64 0 }, ptr %t14
+  store { ptr, i64, i64 } { ptr @.str.6208, i64 2, i64 0 }, ptr %t14
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 12
-  store { ptr, i64, i64 } { ptr @.str.5993, i64 3, i64 0 }, ptr %t15
+  store { ptr, i64, i64 } { ptr @.str.6209, i64 3, i64 0 }, ptr %t15
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 13
-  store { ptr, i64, i64 } { ptr @.str.5994, i64 3, i64 0 }, ptr %t16
+  store { ptr, i64, i64 } { ptr @.str.6210, i64 3, i64 0 }, ptr %t16
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 14
-  store { ptr, i64, i64 } { ptr @.str.5995, i64 3, i64 0 }, ptr %t17
+  store { ptr, i64, i64 } { ptr @.str.6211, i64 3, i64 0 }, ptr %t17
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 15
-  store { ptr, i64, i64 } { ptr @.str.5996, i64 3, i64 0 }, ptr %t18
+  store { ptr, i64, i64 } { ptr @.str.6212, i64 3, i64 0 }, ptr %t18
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t2, i64 16
-  store { ptr, i64, i64 } { ptr @.str.5997, i64 3, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.6213, i64 3, i64 0 }, ptr %t19
   %t20 = insertvalue { ptr, i64, i64 } undef, ptr %t2, 0
   %t21 = insertvalue { ptr, i64, i64 } %t20, i64 17, 1
   %t22 = insertvalue { ptr, i64, i64 } %t21, i64 17, 2
   ret { ptr, i64, i64 } %t22
 }
 
+define internal void @finch.copy.S_docs_Doc(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.docs.Doc, ptr %src
+  store %S.docs.Doc %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.docs.Doc, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.docs.Doc, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.docs.Doc, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.docs.Doc, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.docs.Doc, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.docs.Doc, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  ret void
+}
+
 define internal %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -77383,17 +93204,19 @@ entry:
   %a11 = alloca %S.docs.Doc, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca %S.docs.Doc, align 16
+  %a21 = alloca %S.docs.Doc, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond8346
-each.cond8346:
+  br label %each.cond8828
+each.cond8828:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body8347, label %each.end8349
-each.body8347:
+  br i1 %t7, label %each.body8829, label %each.end8831
+each.body8829:
   %t8 = load ptr, ptr %a1
   %t9 = getelementptr inbounds %S.docs.Doc, ptr %t8, i64 %t6
   %t10 = load %S.docs.Doc, ptr %t9
@@ -77405,18 +93228,21 @@ each.body8347:
   store { ptr, i64, i64 } %t14, ptr %a16
   %t17 = call i32 @finch_str_eq(ptr %a15, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br i1 %t18, label %then8350, label %endif8352
-then8350:
+  br i1 %t18, label %then8832, label %endif8834
+then8832:
   %t19 = load %S.docs.Doc, ptr %a11
-  ret %S.docs.Doc %t19
-endif8352:
-  br label %each.step8348
-each.step8348:
-  %t20 = load i64, ptr %a3
-  %t21 = add i64 %t20, 1
-  store i64 %t21, ptr %a3
-  br label %each.cond8346
-each.end8349:
+  store %S.docs.Doc %t19, ptr %a20
+  call void @finch.copy.S_docs_Doc(ptr %a21, ptr %a20)
+  %t22 = load %S.docs.Doc, ptr %a21
+  ret %S.docs.Doc %t22
+endif8834:
+  br label %each.step8830
+each.step8830:
+  %t23 = load i64, ptr %a3
+  %t24 = add i64 %t23, 1
+  store i64 %t24, ptr %a3
+  br label %each.cond8828
+each.end8831:
   ret %S.docs.Doc zeroinitializer
 }
 
@@ -77429,27 +93255,33 @@ entry:
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
   store %S.docs.Doc %p0, ptr %a1
   %t2 = getelementptr inbounds %S.docs.Doc, ptr %a1, i32 0, i32 1
   %t3 = load { ptr, i64, i64 }, ptr %t2
-  store { ptr, i64, i64 } { ptr @.str.5998, i64 9, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6214, i64 9, i64 0 }, ptr %a5
   store { ptr, i64, i64 } %t3, ptr %a6
   call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
   %t7 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.5999, i64 5, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6215, i64 5, i64 0 }, ptr %a10
   call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  %t12 = getelementptr inbounds %S.docs.Doc, ptr %a1, i32 0, i32 2
-  %t13 = load { ptr, i64, i64 }, ptr %t12
-  store { ptr, i64, i64 } %t11, ptr %a15
-  store { ptr, i64, i64 } %t13, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  ret { ptr, i64, i64 } %t17
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  %t13 = getelementptr inbounds %S.docs.Doc, ptr %a1, i32 0, i32 2
+  %t14 = load { ptr, i64, i64 }, ptr %t13
+  store { ptr, i64, i64 } %t12, ptr %a16
+  store { ptr, i64, i64 } %t14, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  store { ptr, i64, i64 } %t12, ptr %a18
+  call void @finch_str_drop(ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a15
+  ret { ptr, i64, i64 } %t19
 }
 
 define internal { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %p0) {
@@ -77461,8 +93293,6 @@ entry:
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca [32 x i8], align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
   store %S.C.CXString %p0, ptr %a1
   %t2 = load %S.C.CXString, ptr %a1
   store %S.C.CXString %t2, ptr %a3
@@ -77486,10 +93316,7 @@ entry:
   %t20 = load i64, ptr %t19
   call void @clang_disposeString(i64 %t18, i64 %t20)
   %t21 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t21, ptr %a22
-  call void @finch_str_copy(ptr %a23, ptr %a22)
-  %t24 = load { ptr, i64, i64 }, ptr %a23
-  ret { ptr, i64, i64 } %t24
+  ret { ptr, i64, i64 } %t21
 }
 
 define internal %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %p0) {
@@ -77529,11 +93356,9 @@ entry:
   %a6 = alloca %S.ast.Type, align 16
   %a10 = alloca %S.ast.Type, align 16
   %a11 = alloca %S.ast.Type, align 16
-  %a18 = alloca %S.ast.Type, align 16
-  %a19 = alloca %S.ast.Type, align 16
   store %S.ast.Type %p0, ptr %a1
   store i64 %p1, ptr %a2
-  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6000, i64 5, i64 0 }, 0
+  %t3 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6216, i64 5, i64 0 }, 0
   %t4 = load i64, ptr %a2
   %t5 = insertvalue %S.ast.Type %t3, i64 %t4, 4
   store %S.ast.Type %t5, ptr %a6
@@ -77551,236 +93376,355 @@ entry:
   store %S.ast.Type %t12, ptr %t16
   store i64 %t14, ptr %t8
   %t17 = load %S.ast.Type, ptr %a6
-  store %S.ast.Type %t17, ptr %a18
-  call void @finch.copy.S_ast_Type(ptr %a19, ptr %a18)
-  %t20 = load %S.ast.Type, ptr %a19
-  ret %S.ast.Type %t20
+  ret %S.ast.Type %t17
 }
 
 define internal { ptr, i64, i64 } @finch.cimport.systemIncludeArgs({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a2 = alloca { ptr, i64, i64 }, align 16
-  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
-  %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i1, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca i64, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
-  %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca i1, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a108 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca i64, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.6001, i64 22, i64 0 }, ptr %a3
-  %t4 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t4, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6002, i64 26, i64 0 }, ptr %a7
-  call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
-  %t8 = load { ptr, i64, i64 }, ptr %a5
-  %t9 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t8, ptr %a11
-  store { ptr, i64, i64 } %t9, ptr %a12
-  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
-  %t13 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t13, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.6003, i64 13, i64 0 }, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
+  %t3 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t3, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6217, i64 15, i64 0 }, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  %t9 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a10, i64 %t9)
+  %t11 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t8, ptr %a13
+  store { ptr, i64, i64 } %t11, ptr %a14
+  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
+  store { ptr, i64, i64 } %t8, ptr %a15
+  call void @finch_str_drop(ptr %a15)
+  store { ptr, i64, i64 } %t11, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a12
   store { ptr, i64, i64 } %t17, ptr %a19
-  call void @finch_str_copy(ptr %a18, ptr %a19)
-  %t20 = call i64 @finch_shell(ptr %a18)
-  %t21 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t21, ptr %a22
-  %t23 = call i32 @finch_file_exists(ptr %a22)
-  %t24 = icmp ne i32 %t23, 0
-  %t25 = xor i1 %t24, true
-  br i1 %t25, label %then8353, label %endif8355
-then8353:
-  %t26 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t26, ptr %a27
-  call void @finch.copy.arr_str(ptr %a28, ptr %a27)
-  %t29 = load { ptr, i64, i64 }, ptr %a28
-  ret { ptr, i64, i64 } %t29
-endif8355:
-  store i1 false, ptr %a30
-  %t31 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t31, ptr %a32
-  call void @finch_read_file(ptr %a33, ptr %a32, ptr @.str.6004, i64 110)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } %t34, ptr %a35
-  store { ptr, i64, i64 } { ptr @.str.6006, i64 1, i64 0 }, ptr %a37
-  call void @finch_str_split(ptr %a38, ptr %a35, ptr %a37)
-  %t39 = load { ptr, i64, i64 }, ptr %a38
-  store { ptr, i64, i64 } %t39, ptr %a40
-  store i64 0, ptr %a41
-  br label %each.cond8356
-each.cond8356:
-  %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %a40, i32 0, i32 1
-  %t43 = load i64, ptr %t42
-  %t44 = load i64, ptr %a41
-  %t45 = icmp slt i64 %t44, %t43
-  br i1 %t45, label %each.body8357, label %each.end8359
-each.body8357:
-  %t46 = load ptr, ptr %a40
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t44
-  %t48 = load { ptr, i64, i64 }, ptr %t47
-  store { ptr, i64, i64 } %t48, ptr %a49
-  %t50 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t50, ptr %a51
-  call void @finch_str_trim(ptr %a52, ptr %a51)
-  %t53 = load { ptr, i64, i64 }, ptr %a52
-  store { ptr, i64, i64 } %t53, ptr %a54
-  %t55 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } { ptr @.str.6009, i64 34, i64 0 }, ptr %a58
-  %t59 = call i32 @finch_str_starts(ptr %a56, ptr %a58)
-  %t60 = icmp ne i32 %t59, 0
-  br i1 %t60, label %then8360, label %endif8362
-then8360:
-  store i1 true, ptr %a30
-  br label %each.step8358
-endif8362:
-  %t61 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.6011, i64 19, i64 0 }, ptr %a64
-  %t65 = call i32 @finch_str_starts(ptr %a62, ptr %a64)
-  %t66 = icmp ne i32 %t65, 0
-  br i1 %t66, label %then8363, label %endif8365
-then8363:
-  br label %each.end8359
-endif8365:
-  %t67 = load i1, ptr %a30
-  %t68 = xor i1 %t67, true
-  br label %logic.from8366
-logic.from8366:
-  br i1 %t68, label %logic.end8368, label %logic.rhs8367
-logic.rhs8367:
-  %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
-  %t70 = load i64, ptr %t69
-  %t71 = icmp eq i64 %t70, 0
-  br label %logic.rend8369
-logic.rend8369:
-  br label %logic.end8368
-logic.end8368:
-  %t72 = phi i1 [ true, %logic.from8366 ], [ %t71, %logic.rend8369 ]
-  br i1 %t72, label %then8370, label %endif8372
-then8370:
-  br label %each.step8358
-endif8372:
-  %t73 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.6013, i64 22, i64 0 }, ptr %a76
-  %t77 = call i32 @finch_str_ends(ptr %a74, ptr %a76)
-  %t78 = icmp ne i32 %t77, 0
-  br i1 %t78, label %then8373, label %else8374
-then8373:
-  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t80 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } %t80, ptr %a81
-  %t83 = getelementptr inbounds { ptr, i64, i64 }, ptr %a54, i32 0, i32 1
-  %t84 = load i64, ptr %t83
-  %t85 = sub i64 %t84, 22
-  call void @finch_str_sub(ptr %a82, ptr %a81, i64 0, i64 %t85, ptr @.str.6015, i64 124)
-  %t86 = load { ptr, i64, i64 }, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.6014, i64 11, i64 0 }, ptr %a88
-  store { ptr, i64, i64 } %t86, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load i64, ptr %t79
-  %t92 = add i64 %t91, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t92, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t93 = load ptr, ptr %a2
-  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i64 %t91
-  store { ptr, i64, i64 } %t90, ptr %t94
-  store i64 %t92, ptr %t79
-  br label %endif8375
-else8374:
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t96 = load { ptr, i64, i64 }, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.6016, i64 8, i64 0 }, ptr %a98
-  store { ptr, i64, i64 } %t96, ptr %a99
-  call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
-  %t100 = load { ptr, i64, i64 }, ptr %a97
-  %t101 = load i64, ptr %t95
-  %t102 = add i64 %t101, 1
-  call void @finch_arr_reserve(ptr %a2, i64 %t102, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t103 = load ptr, ptr %a2
-  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 %t101
-  store { ptr, i64, i64 } %t100, ptr %t104
-  store i64 %t102, ptr %t95
-  br label %endif8375
-endif8375:
-  br label %each.step8358
-each.step8358:
-  %t105 = load i64, ptr %a41
-  %t106 = add i64 %t105, 1
-  store i64 %t106, ptr %a41
-  br label %each.cond8356
-each.end8359:
-  %t107 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6017, i64 7, i64 0 }, ptr %a109
-  store { ptr, i64, i64 } %t107, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  store { ptr, i64, i64 } %t111, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.6018, i64 1, i64 0 }, ptr %a114
-  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
-  %t115 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t115, ptr %a117
-  call void @finch_str_copy(ptr %a116, ptr %a117)
-  %t118 = call i64 @finch_shell(ptr %a116)
-  %t119 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t119, ptr %a120
-  call void @finch.copy.arr_str(ptr %a121, ptr %a120)
-  %t122 = load { ptr, i64, i64 }, ptr %a121
-  ret { ptr, i64, i64 } %t122
+  store { ptr, i64, i64 } { ptr @.str.6218, i64 4, i64 0 }, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t24, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.6219, i64 13, i64 0 }, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  %t30 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a31, i64 %t30)
+  %t32 = load { ptr, i64, i64 }, ptr %a31
+  store { ptr, i64, i64 } %t29, ptr %a34
+  store { ptr, i64, i64 } %t32, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  store { ptr, i64, i64 } %t29, ptr %a36
+  call void @finch_str_drop(ptr %a36)
+  store { ptr, i64, i64 } %t32, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t38, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.6220, i64 2, i64 0 }, ptr %a41
+  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t43, ptr %a44
+  %t45 = load { ptr, i64, i64 }, ptr %a44
+  store { ptr, i64, i64 } %t45, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.6221, i64 0, i64 0 }, ptr %a47
+  %t48 = call i32 @finch_write_file(ptr %a46, ptr %a47)
+  %t49 = icmp ne i32 %t48, 0
+  %t50 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t50, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.6222, i64 12, i64 0 }, ptr %a53
+  call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a51
+  %t55 = load { ptr, i64, i64 }, ptr %a44
+  %t56 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t55)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  store { ptr, i64, i64 } %t56, ptr %a59
+  call void @finch_str_concat(ptr %a57, ptr %a58, ptr %a59)
+  store { ptr, i64, i64 } %t54, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  store { ptr, i64, i64 } %t56, ptr %a61
+  call void @finch_str_drop(ptr %a61)
+  %t62 = load { ptr, i64, i64 }, ptr %a57
+  store { ptr, i64, i64 } %t62, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.6223, i64 4, i64 0 }, ptr %a65
+  call void @finch_str_concat(ptr %a63, ptr %a64, ptr %a65)
+  store { ptr, i64, i64 } %t62, ptr %a66
+  call void @finch_str_drop(ptr %a66)
+  %t67 = load { ptr, i64, i64 }, ptr %a63
+  %t68 = load { ptr, i64, i64 }, ptr %a23
+  %t69 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t68)
+  store { ptr, i64, i64 } %t67, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t67, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t69, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a70
+  store { ptr, i64, i64 } %t75, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.6224, i64 3, i64 0 }, ptr %a78
+  call void @finch_str_concat(ptr %a76, ptr %a77, ptr %a78)
+  store { ptr, i64, i64 } %t75, ptr %a79
+  call void @finch_str_drop(ptr %a79)
+  %t80 = load { ptr, i64, i64 }, ptr %a76
+  %t81 = call { ptr, i64, i64 } @finch.host.nullDevice()
+  store { ptr, i64, i64 } %t80, ptr %a83
+  store { ptr, i64, i64 } %t81, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  store { ptr, i64, i64 } %t80, ptr %a85
+  call void @finch_str_drop(ptr %a85)
+  store { ptr, i64, i64 } %t81, ptr %a86
+  call void @finch_str_drop(ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a82
+  %t88 = call i64 @finch.host.run({ ptr, i64, i64 } %t87)
+  store { ptr, i64, i64 } %t87, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  %t90 = load { ptr, i64, i64 }, ptr %a44
+  call void @finch.host.remove({ ptr, i64, i64 } %t90)
+  %t91 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t91, ptr %a92
+  %t93 = call i32 @finch_file_exists(ptr %a92)
+  %t94 = icmp ne i32 %t93, 0
+  %t95 = xor i1 %t94, true
+  br i1 %t95, label %then8835, label %endif8837
+then8835:
+  %t96 = load { ptr, i64, i64 }, ptr %a2
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a23)
+  ret { ptr, i64, i64 } %t96
+endif8837:
+  store i1 false, ptr %a97
+  %t98 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_read_file(ptr %a100, ptr %a99, ptr @.str.6225, i64 114)
+  %t101 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t101, ptr %a102
+  store { ptr, i64, i64 } { ptr @.str.6227, i64 1, i64 0 }, ptr %a104
+  call void @finch_str_split(ptr %a105, ptr %a102, ptr %a104)
+  %t106 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } %t101, ptr %a107
+  call void @finch_str_drop(ptr %a107)
+  store { ptr, i64, i64 } %t106, ptr %a108
+  store i64 0, ptr %a109
+  br label %each.cond8838
+each.cond8838:
+  %t110 = getelementptr inbounds { ptr, i64, i64 }, ptr %a108, i32 0, i32 1
+  %t111 = load i64, ptr %t110
+  %t112 = load i64, ptr %a109
+  %t113 = icmp slt i64 %t112, %t111
+  br i1 %t113, label %each.body8839, label %each.end8841
+each.body8839:
+  %t114 = load ptr, ptr %a108
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i64 %t112
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  store { ptr, i64, i64 } %t116, ptr %a117
+  %t118 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_trim(ptr %a120, ptr %a119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  store { ptr, i64, i64 } %t121, ptr %a122
+  %t123 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t123, ptr %a124
+  store { ptr, i64, i64 } { ptr @.str.6230, i64 34, i64 0 }, ptr %a126
+  %t127 = call i32 @finch_str_starts(ptr %a124, ptr %a126)
+  %t128 = icmp ne i32 %t127, 0
+  br i1 %t128, label %then8842, label %endif8844
+then8842:
+  store i1 true, ptr %a97
+  call void @finch_str_drop(ptr %a122)
+  br label %each.step8840
+endif8844:
+  %t129 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t129, ptr %a130
+  store { ptr, i64, i64 } { ptr @.str.6232, i64 19, i64 0 }, ptr %a132
+  %t133 = call i32 @finch_str_starts(ptr %a130, ptr %a132)
+  %t134 = icmp ne i32 %t133, 0
+  br i1 %t134, label %then8845, label %endif8847
+then8845:
+  call void @finch_str_drop(ptr %a122)
+  br label %each.end8841
+endif8847:
+  %t135 = load i1, ptr %a97
+  %t136 = xor i1 %t135, true
+  br label %logic.from8848
+logic.from8848:
+  br i1 %t136, label %logic.end8850, label %logic.rhs8849
+logic.rhs8849:
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %a122, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  %t139 = icmp eq i64 %t138, 0
+  br label %logic.rend8851
+logic.rend8851:
+  br label %logic.end8850
+logic.end8850:
+  %t140 = phi i1 [ true, %logic.from8848 ], [ %t139, %logic.rend8851 ]
+  br i1 %t140, label %then8852, label %endif8854
+then8852:
+  call void @finch_str_drop(ptr %a122)
+  br label %each.step8840
+endif8854:
+  %t141 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.6234, i64 22, i64 0 }, ptr %a144
+  %t145 = call i32 @finch_str_ends(ptr %a142, ptr %a144)
+  %t146 = icmp ne i32 %t145, 0
+  br i1 %t146, label %then8855, label %else8856
+then8855:
+  %t147 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t148 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } %t148, ptr %a149
+  %t151 = getelementptr inbounds { ptr, i64, i64 }, ptr %a122, i32 0, i32 1
+  %t152 = load i64, ptr %t151
+  %t153 = sub i64 %t152, 22
+  call void @finch_str_sub(ptr %a150, ptr %a149, i64 0, i64 %t153, ptr @.str.6236, i64 128)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } { ptr @.str.6235, i64 11, i64 0 }, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t154, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  %t159 = load { ptr, i64, i64 }, ptr %a155
+  %t160 = load i64, ptr %t147
+  %t161 = add i64 %t160, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t161, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t162 = load ptr, ptr %a2
+  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i64 %t160
+  store { ptr, i64, i64 } %t159, ptr %t163
+  store i64 %t161, ptr %t147
+  br label %endif8857
+else8856:
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t165 = load { ptr, i64, i64 }, ptr %a122
+  store { ptr, i64, i64 } { ptr @.str.6237, i64 8, i64 0 }, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  %t169 = load { ptr, i64, i64 }, ptr %a166
+  %t170 = load i64, ptr %t164
+  %t171 = add i64 %t170, 1
+  call void @finch_arr_reserve(ptr %a2, i64 %t171, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t172 = load ptr, ptr %a2
+  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i64 %t170
+  store { ptr, i64, i64 } %t169, ptr %t173
+  store i64 %t171, ptr %t164
+  br label %endif8857
+endif8857:
+  call void @finch_str_drop(ptr %a122)
+  br label %each.step8840
+each.step8840:
+  %t174 = load i64, ptr %a109
+  %t175 = add i64 %t174, 1
+  store i64 %t175, ptr %a109
+  br label %each.cond8838
+each.end8841:
+  call void @finch.drop.arr_str(ptr %a108)
+  %t176 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.host.remove({ ptr, i64, i64 } %t176)
+  %t177 = load { ptr, i64, i64 }, ptr %a2
+  call void @finch_str_drop(ptr %a44)
+  call void @finch_str_drop(ptr %a23)
+  ret { ptr, i64, i64 } %t177
 }
 
 define internal { ptr, i64, i64 } @finch.cimport.recordName(ptr %p0, %S.C.CXType %p1) {
@@ -77809,12 +93753,13 @@ entry:
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca i32, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca i32, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
   %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXType %p1, ptr %a2
   %t4 = load %S.C.CXType, ptr %a2
@@ -77831,38 +93776,38 @@ entry:
   store { ptr, i64, i64 } %t13, ptr %a14
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic8376, label %ok8377
-panic8376:
-  call void @finch_panic(ptr @.str.6019, i64 139, ptr @.str.6020)
+  br i1 %t16, label %panic8858, label %ok8859
+panic8858:
+  call void @finch_panic(ptr @.str.6238, i64 143, ptr @.str.6239)
   unreachable
-ok8377:
+ok8859:
   %t17 = getelementptr inbounds %S.cimport.Importer, ptr %t15, i32 0, i32 3
   %t18 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t18, ptr %a19
   %t20 = call i64 @finch_map_find(ptr %t17, ptr %a19, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t21 = icmp sge i64 %t20, 0
-  br i1 %t21, label %then8378, label %endif8380
-then8378:
+  br i1 %t21, label %then8860, label %endif8862
+then8860:
   %t22 = load ptr, ptr %a1
   %t23 = icmp eq ptr %t22, null
-  br i1 %t23, label %panic8381, label %ok8382
-panic8381:
-  call void @finch_panic(ptr @.str.6021, i64 140, ptr @.str.6022)
+  br i1 %t23, label %panic8863, label %ok8864
+panic8863:
+  call void @finch_panic(ptr @.str.6240, i64 144, ptr @.str.6241)
   unreachable
-ok8382:
+ok8864:
   %t24 = getelementptr inbounds %S.cimport.Importer, ptr %t22, i32 0, i32 3
   %t25 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = call i64 @finch_map_find(ptr %t24, ptr %a26, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t28 = icmp slt i64 %t27, 0
-  br i1 %t28, label %map.missing8383, label %map.found8384
-map.missing8383:
+  br i1 %t28, label %map.missing8865, label %map.found8866
+map.missing8865:
   store { ptr, i64, i64 } zeroinitializer, ptr %a29
   store { ptr, i64, i64 } %t25, ptr %a30
   call void @finch_buf_str(ptr %a29, ptr %a30, i32 1)
-  call void @finch_map_missing(ptr @.str.6023, i64 140, ptr %a29)
+  call void @finch_map_missing(ptr @.str.6242, i64 144, ptr %a29)
   unreachable
-map.found8384:
+map.found8866:
   %t31 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t24, i32 0, i32 0
   %t32 = load ptr, ptr %t31
   %t33 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t32, i64 %t27
@@ -77871,8 +93816,9 @@ map.found8384:
   store { ptr, i64, i64 } %t35, ptr %a36
   call void @finch_str_copy(ptr %a37, ptr %a36)
   %t38 = load { ptr, i64, i64 }, ptr %a37
+  call void @finch_str_drop(ptr %a14)
   ret { ptr, i64, i64 } %t38
-endif8380:
+endif8862:
   %t39 = load %S.C.CXCursor, ptr %a7
   store %S.C.CXCursor %t39, ptr %a40
   %t41 = call { i64, i64 } @clang_getCursorSpelling(ptr byval(%S.C.CXCursor) align 8 %a40)
@@ -77883,87 +93829,93 @@ endif8380:
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %a45, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = icmp eq i64 %t47, 0
-  br label %logic.from8385
-logic.from8385:
-  br i1 %t48, label %logic.end8387, label %logic.rhs8386
-logic.rhs8386:
+  br label %logic.from8867
+logic.from8867:
+  br i1 %t48, label %logic.end8869, label %logic.rhs8868
+logic.rhs8868:
   %t49 = load { ptr, i64, i64 }, ptr %a45
   store { ptr, i64, i64 } %t49, ptr %a50
-  store { ptr, i64, i64 } { ptr @.str.6025, i64 1, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.6244, i64 1, i64 0 }, ptr %a52
   %t53 = call i64 @finch_str_find(ptr %a50, ptr %a52)
   %t54 = icmp sge i64 %t53, 0
-  br label %logic.rend8388
-logic.rend8388:
-  br label %logic.end8387
-logic.end8387:
-  %t55 = phi i1 [ true, %logic.from8385 ], [ %t54, %logic.rend8388 ]
-  br i1 %t55, label %then8389, label %endif8391
-then8389:
+  br label %logic.rend8870
+logic.rend8870:
+  br label %logic.end8869
+logic.end8869:
+  %t55 = phi i1 [ true, %logic.from8867 ], [ %t54, %logic.rend8870 ]
+  br i1 %t55, label %then8871, label %endif8873
+then8871:
   %t56 = load ptr, ptr %a1
   %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic8392, label %ok8393
-panic8392:
-  call void @finch_panic(ptr @.str.6026, i64 144, ptr @.str.6027)
+  br i1 %t57, label %panic8874, label %ok8875
+panic8874:
+  call void @finch_panic(ptr @.str.6245, i64 148, ptr @.str.6246)
   unreachable
-ok8393:
+ok8875:
   %t58 = getelementptr inbounds %S.cimport.Importer, ptr %t56, i32 0, i32 5
   %t59 = load i64, ptr %t58
   %t60 = add i64 %t59, 1
   store i64 %t60, ptr %t58
   %t61 = load ptr, ptr %a1
   %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic8394, label %ok8395
-panic8394:
-  call void @finch_panic(ptr @.str.6029, i64 145, ptr @.str.6030)
+  br i1 %t62, label %panic8876, label %ok8877
+panic8876:
+  call void @finch_panic(ptr @.str.6248, i64 149, ptr @.str.6249)
   unreachable
-ok8395:
+ok8877:
   %t63 = getelementptr inbounds %S.cimport.Importer, ptr %t61, i32 0, i32 5
   %t64 = load i64, ptr %t63
   call void @finch_str_from_int(ptr %a65, i64 %t64)
   %t66 = load { ptr, i64, i64 }, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.6028, i64 12, i64 0 }, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.6247, i64 12, i64 0 }, ptr %a68
   store { ptr, i64, i64 } %t66, ptr %a69
   call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a45
-  br label %endif8391
-endif8391:
-  %t71 = load { ptr, i64, i64 }, ptr %a45
-  %t72 = load ptr, ptr %a1
-  %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic8396, label %ok8397
-panic8396:
-  call void @finch_panic(ptr @.str.6031, i64 147, ptr @.str.6032)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t71, ptr %a45
+  store { ptr, i64, i64 } %t72, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  br label %endif8873
+endif8873:
+  %t74 = load { ptr, i64, i64 }, ptr %a45
+  %t75 = load ptr, ptr %a1
+  %t76 = icmp eq ptr %t75, null
+  br i1 %t76, label %panic8878, label %ok8879
+panic8878:
+  call void @finch_panic(ptr @.str.6250, i64 151, ptr @.str.6251)
   unreachable
-ok8397:
-  %t74 = getelementptr inbounds %S.cimport.Importer, ptr %t72, i32 0, i32 3
-  %t75 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store i32 0, ptr %a77
-  %t78 = call i64 @finch_map_slot(ptr %t74, ptr %a76, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a77)
-  %t79 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t74, i32 0, i32 0
-  %t80 = load ptr, ptr %t79
-  %t81 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t80, i64 %t78
-  %t82 = load i32, ptr %a77
-  %t83 = icmp ne i32 %t82, 0
-  br i1 %t83, label %map.new8398, label %map.have8399
-map.new8398:
-  %t84 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t81, i32 0, i32 1
-  call void @finch_str_copy(ptr %t84, ptr %a76)
-  %t85 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t81, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t85
-  br label %map.have8399
-map.have8399:
-  %t86 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t81, i32 0, i32 2
-  store { ptr, i64, i64 } %t71, ptr %a87
-  call void @finch_str_copy(ptr %a88, ptr %a87)
-  %t89 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t89, ptr %t86
-  %t90 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } %t90, ptr %a91
-  call void @finch_str_copy(ptr %a92, ptr %a91)
-  %t93 = load { ptr, i64, i64 }, ptr %a92
-  ret { ptr, i64, i64 } %t93
+ok8879:
+  %t77 = getelementptr inbounds %S.cimport.Importer, ptr %t75, i32 0, i32 3
+  %t78 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t78, ptr %a79
+  store i32 0, ptr %a80
+  %t81 = call i64 @finch_map_slot(ptr %t77, ptr %a79, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a80)
+  %t82 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t77, i32 0, i32 0
+  %t83 = load ptr, ptr %t82
+  %t84 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i64 %t81
+  %t85 = load i32, ptr %a80
+  %t86 = icmp ne i32 %t85, 0
+  br i1 %t86, label %map.new8880, label %map.have8881
+map.new8880:
+  %t87 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t84, i32 0, i32 1
+  call void @finch_str_copy(ptr %t87, ptr %a79)
+  %t88 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t84, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t88
+  br label %map.have8881
+map.have8881:
+  %t89 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t84, i32 0, i32 2
+  store { ptr, i64, i64 } %t74, ptr %a90
+  call void @finch_str_copy(ptr %a91, ptr %a90)
+  %t92 = load { ptr, i64, i64 }, ptr %a91
+  %t93 = load { ptr, i64, i64 }, ptr %t89
+  store { ptr, i64, i64 } %t92, ptr %t89
+  store { ptr, i64, i64 } %t93, ptr %a94
+  call void @finch_str_drop(ptr %a94)
+  %t95 = load { ptr, i64, i64 }, ptr %a45
+  call void @finch_str_drop(ptr %a14)
+  ret { ptr, i64, i64 } %t95
 }
 
 define internal i32 @finch.c.cimport.visitField(ptr byval(%S.C.CXCursor) align 8 %c0, ptr %c1) {
@@ -77990,28 +93942,26 @@ entry:
   %a23 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca %S.C.CXType, align 16
-  %a47 = alloca i64, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca i32, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca %S.C.CXType, align 16
-  %a76 = alloca %S.cimport.CStruct, align 16
-  %a78 = alloca %S.C.CXCursor, align 16
-  %a85 = alloca %S.cimport.FieldCtx, align 16
-  %a87 = alloca %S.C.CXType, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca i32, align 16
-  %a113 = alloca %S.cimport.CStruct, align 16
-  %a114 = alloca %S.cimport.CStruct, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca %S.C.CXType, align 16
+  %a44 = alloca i64, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca i32, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca %S.C.CXType, align 16
+  %a73 = alloca %S.cimport.CStruct, align 16
+  %a75 = alloca %S.C.CXCursor, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca %S.cimport.FieldCtx, align 16
+  %a86 = alloca %S.C.CXType, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca i32, align 16
+  %a117 = alloca %S.cimport.CStruct, align 16
+  %a118 = alloca %S.cimport.CStruct, align 16
+  %a121 = alloca %S.cimport.CStruct, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXType %p1, ptr %a2
   %t4 = load %S.C.CXType, ptr %a2
@@ -78037,187 +93987,208 @@ entry:
   store { ptr, i64, i64 } %t22, ptr %a23
   %t24 = load ptr, ptr %a1
   %t25 = icmp eq ptr %t24, null
-  br i1 %t25, label %panic8400, label %ok8401
-panic8400:
-  call void @finch_panic(ptr @.str.6033, i64 157, ptr @.str.6034)
+  br i1 %t25, label %panic8882, label %ok8883
+panic8882:
+  call void @finch_panic(ptr @.str.6252, i64 161, ptr @.str.6253)
   unreachable
-ok8401:
+ok8883:
   %t26 = getelementptr inbounds %S.cimport.Importer, ptr %t24, i32 0, i32 0
   %t27 = getelementptr inbounds %S.cimport.CImports, ptr %t26, i32 0, i32 3
   %t28 = load { ptr, i64, i64 }, ptr %a23
   store { ptr, i64, i64 } %t28, ptr %a29
   %t30 = call i64 @finch_map_find(ptr %t27, ptr %a29, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t31 = icmp sge i64 %t30, 0
-  br label %logic.from8402
-logic.from8402:
-  br i1 %t31, label %logic.end8404, label %logic.rhs8403
-logic.rhs8403:
+  br label %logic.from8884
+logic.from8884:
+  br i1 %t31, label %logic.end8886, label %logic.rhs8885
+logic.rhs8885:
   %t32 = load ptr, ptr %a1
   %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic8405, label %ok8406
-panic8405:
-  call void @finch_panic(ptr @.str.6035, i64 157, ptr @.str.6036)
+  br i1 %t33, label %panic8887, label %ok8888
+panic8887:
+  call void @finch_panic(ptr @.str.6254, i64 161, ptr @.str.6255)
   unreachable
-ok8406:
+ok8888:
   %t34 = getelementptr inbounds %S.cimport.Importer, ptr %t32, i32 0, i32 4
   %t35 = load { ptr, i64, i64 }, ptr %a19
   store { ptr, i64, i64 } %t35, ptr %a36
   %t37 = call i64 @finch_map_find(ptr %t34, ptr %a36, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t38 = icmp sge i64 %t37, 0
-  br label %logic.rend8407
-logic.rend8407:
-  br label %logic.end8404
-logic.end8404:
-  %t39 = phi i1 [ true, %logic.from8402 ], [ %t38, %logic.rend8407 ]
-  br i1 %t39, label %then8408, label %endif8410
-then8408:
+  br label %logic.rend8889
+logic.rend8889:
+  br label %logic.end8886
+logic.end8886:
+  %t39 = phi i1 [ true, %logic.from8884 ], [ %t38, %logic.rend8889 ]
+  br i1 %t39, label %then8890, label %endif8892
+then8890:
   %t40 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t40, ptr %a41
-  call void @finch_str_copy(ptr %a42, ptr %a41)
-  %t43 = load { ptr, i64, i64 }, ptr %a42
-  ret { ptr, i64, i64 } %t43
-endif8410:
-  %t44 = load %S.C.CXType, ptr %a7
-  store %S.C.CXType %t44, ptr %a45
-  %t46 = call i64 @clang_Type_getSizeOf(ptr byval(%S.C.CXType) align 8 %a45)
-  store i64 %t46, ptr %a47
-  %t48 = load i64, ptr %a47
-  %t49 = icmp slt i64 %t48, 0
-  br i1 %t49, label %then8411, label %endif8413
-then8411:
-  ret { ptr, i64, i64 } { ptr @.str.6037, i64 0, i64 0 }
-endif8413:
-  %t50 = load ptr, ptr %a1
-  %t51 = icmp eq ptr %t50, null
-  br i1 %t51, label %panic8414, label %ok8415
-panic8414:
-  call void @finch_panic(ptr @.str.6038, i64 164, ptr @.str.6039)
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } %t40
+endif8892:
+  %t41 = load %S.C.CXType, ptr %a7
+  store %S.C.CXType %t41, ptr %a42
+  %t43 = call i64 @clang_Type_getSizeOf(ptr byval(%S.C.CXType) align 8 %a42)
+  store i64 %t43, ptr %a44
+  %t45 = load i64, ptr %a44
+  %t46 = icmp slt i64 %t45, 0
+  br i1 %t46, label %then8893, label %endif8895
+then8893:
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } { ptr @.str.6256, i64 0, i64 0 }
+endif8895:
+  %t47 = load ptr, ptr %a1
+  %t48 = icmp eq ptr %t47, null
+  br i1 %t48, label %panic8896, label %ok8897
+panic8896:
+  call void @finch_panic(ptr @.str.6257, i64 168, ptr @.str.6258)
   unreachable
-ok8415:
-  %t52 = getelementptr inbounds %S.cimport.Importer, ptr %t50, i32 0, i32 4
-  %t53 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t53, ptr %a54
-  store i32 0, ptr %a55
-  %t56 = call i64 @finch_map_slot(ptr %t52, ptr %a54, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a55)
-  %t57 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t52, i32 0, i32 0
-  %t58 = load ptr, ptr %t57
-  %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t58, i64 %t56
-  %t60 = load i32, ptr %a55
-  %t61 = icmp ne i32 %t60, 0
-  br i1 %t61, label %map.new8416, label %map.have8417
-map.new8416:
-  %t62 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t59, i32 0, i32 1
-  call void @finch_str_copy(ptr %t62, ptr %a54)
-  %t63 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t59, i32 0, i32 2
-  store i1 false, ptr %t63
-  br label %map.have8417
-map.have8417:
-  %t64 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t59, i32 0, i32 2
-  store i1 true, ptr %t64
-  %t65 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t65, ptr %a66
-  call void @finch_str_copy(ptr %a67, ptr %a66)
-  %t68 = load { ptr, i64, i64 }, ptr %a67
-  %t69 = insertvalue %S.cimport.CStruct zeroinitializer, { ptr, i64, i64 } %t68, 0
-  %t70 = load i64, ptr %a47
-  %t71 = insertvalue %S.cimport.CStruct %t69, i64 %t70, 2
-  %t72 = load %S.C.CXType, ptr %a7
-  store %S.C.CXType %t72, ptr %a73
-  %t74 = call i64 @clang_Type_getAlignOf(ptr byval(%S.C.CXType) align 8 %a73)
-  %t75 = insertvalue %S.cimport.CStruct %t71, i64 %t74, 3
-  store %S.cimport.CStruct %t75, ptr %a76
-  %t77 = load %S.C.CXCursor, ptr %a12
-  store %S.C.CXCursor %t77, ptr %a78
-  %t79 = call i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8 %a78)
-  %t80 = icmp eq i32 %t79, 3
-  br i1 %t80, label %then8418, label %endif8420
-then8418:
-  %t81 = getelementptr inbounds %S.cimport.CStruct, ptr %a76, i32 0, i32 4
-  store { ptr, i64, i64 } { ptr @.str.6040, i64 12, i64 0 }, ptr %t81
-  br label %endif8420
-endif8420:
-  %t82 = load ptr, ptr %a1
-  %t83 = insertvalue %S.cimport.FieldCtx zeroinitializer, ptr %t82, 0
-  %t84 = insertvalue %S.cimport.FieldCtx %t83, ptr %a76, 1
-  store %S.cimport.FieldCtx %t84, ptr %a85
-  %t86 = load %S.C.CXType, ptr %a7
-  store %S.C.CXType %t86, ptr %a87
-  %t88 = call i32 @clang_Type_visitFields(ptr byval(%S.C.CXType) align 8 %a87, ptr @finch.c.cimport.visitField, ptr %a85)
-  %t89 = load ptr, ptr %a1
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic8421, label %ok8422
-panic8421:
-  call void @finch_panic(ptr @.str.6041, i64 172, ptr @.str.6042)
+ok8897:
+  %t49 = getelementptr inbounds %S.cimport.Importer, ptr %t47, i32 0, i32 4
+  %t50 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t50, ptr %a51
+  store i32 0, ptr %a52
+  %t53 = call i64 @finch_map_slot(ptr %t49, ptr %a51, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a52)
+  %t54 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t49, i32 0, i32 0
+  %t55 = load ptr, ptr %t54
+  %t56 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t55, i64 %t53
+  %t57 = load i32, ptr %a52
+  %t58 = icmp ne i32 %t57, 0
+  br i1 %t58, label %map.new8898, label %map.have8899
+map.new8898:
+  %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t56, i32 0, i32 1
+  call void @finch_str_copy(ptr %t59, ptr %a51)
+  %t60 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t56, i32 0, i32 2
+  store i1 false, ptr %t60
+  br label %map.have8899
+map.have8899:
+  %t61 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t56, i32 0, i32 2
+  store i1 true, ptr %t61
+  %t62 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t62, ptr %a63
+  call void @finch_str_copy(ptr %a64, ptr %a63)
+  %t65 = load { ptr, i64, i64 }, ptr %a64
+  %t66 = insertvalue %S.cimport.CStruct zeroinitializer, { ptr, i64, i64 } %t65, 0
+  %t67 = load i64, ptr %a44
+  %t68 = insertvalue %S.cimport.CStruct %t66, i64 %t67, 2
+  %t69 = load %S.C.CXType, ptr %a7
+  store %S.C.CXType %t69, ptr %a70
+  %t71 = call i64 @clang_Type_getAlignOf(ptr byval(%S.C.CXType) align 8 %a70)
+  %t72 = insertvalue %S.cimport.CStruct %t68, i64 %t71, 3
+  store %S.cimport.CStruct %t72, ptr %a73
+  %t74 = load %S.C.CXCursor, ptr %a12
+  store %S.C.CXCursor %t74, ptr %a75
+  %t76 = call i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8 %a75)
+  %t77 = icmp eq i32 %t76, 3
+  br i1 %t77, label %then8900, label %endif8902
+then8900:
+  %t78 = getelementptr inbounds %S.cimport.CStruct, ptr %a73, i32 0, i32 4
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } { ptr @.str.6259, i64 12, i64 0 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif8902
+endif8902:
+  %t81 = load ptr, ptr %a1
+  %t82 = insertvalue %S.cimport.FieldCtx zeroinitializer, ptr %t81, 0
+  %t83 = insertvalue %S.cimport.FieldCtx %t82, ptr %a73, 1
+  store %S.cimport.FieldCtx %t83, ptr %a84
+  %t85 = load %S.C.CXType, ptr %a7
+  store %S.C.CXType %t85, ptr %a86
+  %t87 = call i32 @clang_Type_visitFields(ptr byval(%S.C.CXType) align 8 %a86, ptr @finch.c.cimport.visitField, ptr %a84)
+  %t88 = load ptr, ptr %a1
+  %t89 = icmp eq ptr %t88, null
+  br i1 %t89, label %panic8903, label %ok8904
+panic8903:
+  call void @finch_panic(ptr @.str.6260, i64 176, ptr @.str.6261)
   unreachable
-ok8422:
-  %t91 = getelementptr inbounds %S.cimport.Importer, ptr %t89, i32 0, i32 4
-  %t92 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t92, ptr %a93
-  %t94 = call i64 @finch_map_find(ptr %t91, ptr %a93, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t95 = icmp sge i64 %t94, 0
-  br i1 %t95, label %remove.hit8423, label %remove.end8424
-remove.hit8423:
-  call void @finch_map_remove_at(ptr %t91, i64 %t94, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64))
-  br label %remove.end8424
-remove.end8424:
-  %t96 = load %S.cimport.CStruct, ptr %a76
-  %t97 = load ptr, ptr %a1
-  %t98 = icmp eq ptr %t97, null
-  br i1 %t98, label %panic8425, label %ok8426
-panic8425:
-  call void @finch_panic(ptr @.str.6043, i64 173, ptr @.str.6044)
+ok8904:
+  %t90 = getelementptr inbounds %S.cimport.Importer, ptr %t88, i32 0, i32 4
+  %t91 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t91, ptr %a92
+  %t93 = call i64 @finch_map_find(ptr %t90, ptr %a92, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t94 = icmp sge i64 %t93, 0
+  br i1 %t94, label %remove.hit8905, label %remove.end8906
+remove.hit8905:
+  %t95 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t90, i32 0, i32 0
+  %t96 = load ptr, ptr %t95
+  %t97 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t96, i64 %t93
+  %t98 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t97, i32 0, i32 1
+  call void @finch_str_drop(ptr %t98)
+  %t99 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t97, i32 0, i32 2
+  call void @finch_map_remove_at(ptr %t90, i64 %t93, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, i1 }, ptr null, i32 1) to i64))
+  br label %remove.end8906
+remove.end8906:
+  %t100 = load %S.cimport.CStruct, ptr %a73
+  %t101 = load ptr, ptr %a1
+  %t102 = icmp eq ptr %t101, null
+  br i1 %t102, label %panic8907, label %ok8908
+panic8907:
+  call void @finch_panic(ptr @.str.6262, i64 177, ptr @.str.6263)
   unreachable
-ok8426:
-  %t99 = getelementptr inbounds %S.cimport.Importer, ptr %t97, i32 0, i32 0
-  %t100 = getelementptr inbounds %S.cimport.CImports, ptr %t99, i32 0, i32 3
-  %t101 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t101, ptr %a102
-  store i32 0, ptr %a103
-  %t104 = call i64 @finch_map_slot(ptr %t100, ptr %a102, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a103)
-  %t105 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t100, i32 0, i32 0
-  %t106 = load ptr, ptr %t105
-  %t107 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t106, i64 %t104
-  %t108 = load i32, ptr %a103
-  %t109 = icmp ne i32 %t108, 0
-  br i1 %t109, label %map.new8427, label %map.have8428
-map.new8427:
-  %t110 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t107, i32 0, i32 1
-  call void @finch_str_copy(ptr %t110, ptr %a102)
-  %t111 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t107, i32 0, i32 2
-  store %S.cimport.CStruct zeroinitializer, ptr %t111
-  br label %map.have8428
-map.have8428:
-  %t112 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t107, i32 0, i32 2
-  store %S.cimport.CStruct %t96, ptr %a113
-  call void @finch.copy.S_cimport_CStruct(ptr %a114, ptr %a113)
-  %t115 = load %S.cimport.CStruct, ptr %a114
-  store %S.cimport.CStruct %t115, ptr %t112
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic8429, label %ok8430
-panic8429:
-  call void @finch_panic(ptr @.str.6045, i64 174, ptr @.str.6046)
+ok8908:
+  %t103 = getelementptr inbounds %S.cimport.Importer, ptr %t101, i32 0, i32 0
+  %t104 = getelementptr inbounds %S.cimport.CImports, ptr %t103, i32 0, i32 3
+  %t105 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t105, ptr %a106
+  store i32 0, ptr %a107
+  %t108 = call i64 @finch_map_slot(ptr %t104, ptr %a106, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a107)
+  %t109 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t104, i32 0, i32 0
+  %t110 = load ptr, ptr %t109
+  %t111 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t110, i64 %t108
+  %t112 = load i32, ptr %a107
+  %t113 = icmp ne i32 %t112, 0
+  br i1 %t113, label %map.new8909, label %map.have8910
+map.new8909:
+  %t114 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t111, i32 0, i32 1
+  call void @finch_str_copy(ptr %t114, ptr %a106)
+  %t115 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t111, i32 0, i32 2
+  store %S.cimport.CStruct zeroinitializer, ptr %t115
+  br label %map.have8910
+map.have8910:
+  %t116 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr %t111, i32 0, i32 2
+  store %S.cimport.CStruct %t100, ptr %a117
+  call void @finch.copy.S_cimport_CStruct(ptr %a118, ptr %a117)
+  %t119 = load %S.cimport.CStruct, ptr %a118
+  %t120 = load %S.cimport.CStruct, ptr %t116
+  store %S.cimport.CStruct %t119, ptr %t116
+  store %S.cimport.CStruct %t120, ptr %a121
+  call void @finch.drop.S_cimport_CStruct(ptr %a121)
+  %t122 = load ptr, ptr %a1
+  %t123 = icmp eq ptr %t122, null
+  br i1 %t123, label %panic8911, label %ok8912
+panic8911:
+  call void @finch_panic(ptr @.str.6264, i64 178, ptr @.str.6265)
   unreachable
-ok8430:
-  %t118 = getelementptr inbounds %S.cimport.Importer, ptr %t116, i32 0, i32 0
-  %t119 = getelementptr inbounds %S.cimport.CImports, ptr %t118, i32 0, i32 4
-  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
-  %t121 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t121, ptr %a122
-  call void @finch_str_copy(ptr %a123, ptr %a122)
-  %t124 = load { ptr, i64, i64 }, ptr %a123
-  %t125 = load i64, ptr %t120
-  %t126 = add i64 %t125, 1
-  call void @finch_arr_reserve(ptr %t119, i64 %t126, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t127 = load ptr, ptr %t119
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i64 %t125
-  store { ptr, i64, i64 } %t124, ptr %t128
-  store i64 %t126, ptr %t120
-  %t129 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t129, ptr %a130
-  call void @finch_str_copy(ptr %a131, ptr %a130)
-  %t132 = load { ptr, i64, i64 }, ptr %a131
-  ret { ptr, i64, i64 } %t132
+ok8912:
+  %t124 = getelementptr inbounds %S.cimport.Importer, ptr %t122, i32 0, i32 0
+  %t125 = getelementptr inbounds %S.cimport.CImports, ptr %t124, i32 0, i32 4
+  %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t125, i32 0, i32 1
+  %t127 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t127, ptr %a128
+  call void @finch_str_copy(ptr %a129, ptr %a128)
+  %t130 = load { ptr, i64, i64 }, ptr %a129
+  %t131 = load i64, ptr %t126
+  %t132 = add i64 %t131, 1
+  call void @finch_arr_reserve(ptr %t125, i64 %t132, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t133 = load ptr, ptr %t125
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i64 %t131
+  store { ptr, i64, i64 } %t130, ptr %t134
+  store i64 %t132, ptr %t126
+  %t135 = load { ptr, i64, i64 }, ptr %a23
+  call void @finch.drop.S_cimport_CStruct(ptr %a73)
+  call void @finch_str_drop(ptr %a19)
+  ret { ptr, i64, i64 } %t135
+}
+
+define internal void @finch.drop.S_cimport_Mapped(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Mapped, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_ast_Type(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.Mapped, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  ret void
 }
 
 define internal i32 @finch.cimport.visitField(%S.C.CXCursor %p0, ptr %p1) {
@@ -78237,14 +94208,16 @@ entry:
   %a27 = alloca %S.C.CXType, align 16
   %a31 = alloca %S.C.CXType, align 16
   %a35 = alloca %S.C.CXCursor, align 16
-  %a48 = alloca %S.C.CXCursor, align 16
-  %a50 = alloca %S.C.CXType, align 16
-  %a52 = alloca %S.C.CXCursor, align 16
-  %a63 = alloca %S.cimport.Mapped, align 16
-  %a69 = alloca %S.ast.Type, align 16
-  %a70 = alloca %S.ast.Type, align 16
-  %a94 = alloca %S.cimport.CField, align 16
-  %a95 = alloca %S.cimport.CField, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca %S.C.CXCursor, align 16
+  %a52 = alloca %S.C.CXType, align 16
+  %a54 = alloca %S.C.CXCursor, align 16
+  %a65 = alloca %S.cimport.Mapped, align 16
+  %a71 = alloca %S.ast.Type, align 16
+  %a72 = alloca %S.ast.Type, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a98 = alloca %S.cimport.CField, align 16
+  %a99 = alloca %S.cimport.CField, align 16
   store %S.C.CXCursor %p0, ptr %a1
   store ptr %p1, ptr %a2
   %t3 = load ptr, ptr %a2
@@ -78285,148 +94258,156 @@ entry:
   store %S.C.CXCursor %t34, ptr %a35
   %t36 = call i32 @clang_Cursor_isBitField(ptr byval(%S.C.CXCursor) align 8 %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %then8431, label %else8432
-then8431:
+  br i1 %t37, label %then8913, label %else8914
+then8913:
   %t38 = load ptr, ptr %a4
   %t39 = icmp eq ptr %t38, null
-  br i1 %t39, label %panic8434, label %ok8435
-panic8434:
-  call void @finch_panic(ptr @.str.6048, i64 191, ptr @.str.6049)
+  br i1 %t39, label %panic8916, label %ok8917
+panic8916:
+  call void @finch_panic(ptr @.str.6267, i64 195, ptr @.str.6268)
   unreachable
-ok8435:
+ok8917:
   %t40 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t38, i32 0, i32 1
   %t41 = load ptr, ptr %t40
   %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic8436, label %ok8437
-panic8436:
-  call void @finch_panic(ptr @.str.6050, i64 191, ptr @.str.6051)
+  br i1 %t42, label %panic8918, label %ok8919
+panic8918:
+  call void @finch_panic(ptr @.str.6269, i64 195, ptr @.str.6270)
   unreachable
-ok8437:
+ok8919:
   %t43 = getelementptr inbounds %S.cimport.CStruct, ptr %t41, i32 0, i32 4
-  store { ptr, i64, i64 } { ptr @.str.6047, i64 14, i64 0 }, ptr %t43
-  %t44 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t44
-  br label %endif8433
-else8432:
-  %t45 = getelementptr inbounds %S.C.CXType, ptr %a20, i32 0, i32 0
-  %t46 = load i32, ptr %t45
-  %t47 = icmp eq i32 %t46, 105
-  br label %logic.from8438
-logic.from8438:
-  br i1 %t47, label %logic.rhs8439, label %logic.end8440
-logic.rhs8439:
-  %t49 = load %S.C.CXType, ptr %a20
-  store %S.C.CXType %t49, ptr %a50
-  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a48, ptr byval(%S.C.CXType) align 8 %a50)
-  %t51 = load %S.C.CXCursor, ptr %a48
-  store %S.C.CXCursor %t51, ptr %a52
-  %t53 = call i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8 %a52)
-  %t54 = icmp eq i32 %t53, 3
-  br label %logic.rend8441
-logic.rend8441:
-  br label %logic.end8440
-logic.end8440:
-  %t55 = phi i1 [ false, %logic.from8438 ], [ %t54, %logic.rend8441 ]
-  br i1 %t55, label %then8442, label %else8443
-then8442:
-  %t56 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t56
-  br label %endif8444
-else8443:
-  %t57 = load ptr, ptr %a4
-  %t58 = icmp eq ptr %t57, null
-  br i1 %t58, label %panic8445, label %ok8446
-panic8445:
-  call void @finch_panic(ptr @.str.6052, i64 196, ptr @.str.6053)
+  %t44 = load { ptr, i64, i64 }, ptr %t43
+  store { ptr, i64, i64 } { ptr @.str.6266, i64 14, i64 0 }, ptr %t43
+  store { ptr, i64, i64 } %t44, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t46
+  br label %endif8915
+else8914:
+  %t47 = getelementptr inbounds %S.C.CXType, ptr %a20, i32 0, i32 0
+  %t48 = load i32, ptr %t47
+  %t49 = icmp eq i32 %t48, 105
+  br label %logic.from8920
+logic.from8920:
+  br i1 %t49, label %logic.rhs8921, label %logic.end8922
+logic.rhs8921:
+  %t51 = load %S.C.CXType, ptr %a20
+  store %S.C.CXType %t51, ptr %a52
+  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a50, ptr byval(%S.C.CXType) align 8 %a52)
+  %t53 = load %S.C.CXCursor, ptr %a50
+  store %S.C.CXCursor %t53, ptr %a54
+  %t55 = call i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8 %a54)
+  %t56 = icmp eq i32 %t55, 3
+  br label %logic.rend8923
+logic.rend8923:
+  br label %logic.end8922
+logic.end8922:
+  %t57 = phi i1 [ false, %logic.from8920 ], [ %t56, %logic.rend8923 ]
+  br i1 %t57, label %then8924, label %else8925
+then8924:
+  %t58 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t58
+  br label %endif8926
+else8925:
+  %t59 = load ptr, ptr %a4
+  %t60 = icmp eq ptr %t59, null
+  br i1 %t60, label %panic8927, label %ok8928
+panic8927:
+  call void @finch_panic(ptr @.str.6271, i64 200, ptr @.str.6272)
   unreachable
-ok8446:
-  %t59 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t57, i32 0, i32 0
-  %t60 = load ptr, ptr %t59
-  %t61 = load %S.C.CXType, ptr %a20
-  %t62 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t60, %S.C.CXType %t61, i1 false, i1 false)
-  store %S.cimport.Mapped %t62, ptr %a63
-  %t64 = getelementptr inbounds %S.cimport.Mapped, ptr %a63, i32 0, i32 2
-  %t65 = load i1, ptr %t64
-  br i1 %t65, label %then8447, label %else8448
-then8447:
-  %t66 = getelementptr inbounds %S.cimport.Mapped, ptr %a63, i32 0, i32 0
-  %t67 = load %S.ast.Type, ptr %t66
-  %t68 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 1
-  store %S.ast.Type %t67, ptr %a69
-  call void @finch.copy.S_ast_Type(ptr %a70, ptr %a69)
-  %t71 = load %S.ast.Type, ptr %a70
-  store %S.ast.Type %t71, ptr %t68
-  br label %endif8449
-else8448:
-  %t72 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t72
-  br label %endif8449
-endif8449:
-  br label %endif8444
-endif8444:
-  br label %endif8433
-endif8433:
-  %t73 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  %t74 = load i1, ptr %t73
-  br i1 %t74, label %then8450, label %endif8452
-then8450:
-  %t75 = load ptr, ptr %a4
-  %t76 = icmp eq ptr %t75, null
-  br i1 %t76, label %panic8453, label %ok8454
-panic8453:
-  call void @finch_panic(ptr @.str.6054, i64 204, ptr @.str.6055)
+ok8928:
+  %t61 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t59, i32 0, i32 0
+  %t62 = load ptr, ptr %t61
+  %t63 = load %S.C.CXType, ptr %a20
+  %t64 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t62, %S.C.CXType %t63, i1 false, i1 false)
+  store %S.cimport.Mapped %t64, ptr %a65
+  %t66 = getelementptr inbounds %S.cimport.Mapped, ptr %a65, i32 0, i32 2
+  %t67 = load i1, ptr %t66
+  br i1 %t67, label %then8929, label %else8930
+then8929:
+  %t68 = getelementptr inbounds %S.cimport.Mapped, ptr %a65, i32 0, i32 0
+  %t69 = load %S.ast.Type, ptr %t68
+  %t70 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 1
+  store %S.ast.Type %t69, ptr %a71
+  call void @finch.copy.S_ast_Type(ptr %a72, ptr %a71)
+  %t73 = load %S.ast.Type, ptr %a72
+  %t74 = load %S.ast.Type, ptr %t70
+  store %S.ast.Type %t73, ptr %t70
+  store %S.ast.Type %t74, ptr %a75
+  call void @finch.drop.S_ast_Type(ptr %a75)
+  br label %endif8931
+else8930:
+  %t76 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t76
+  br label %endif8931
+endif8931:
+  call void @finch.drop.S_cimport_Mapped(ptr %a65)
+  br label %endif8926
+endif8926:
+  br label %endif8915
+endif8915:
+  %t77 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  %t78 = load i1, ptr %t77
+  br i1 %t78, label %then8932, label %endif8934
+then8932:
+  %t79 = load ptr, ptr %a4
+  %t80 = icmp eq ptr %t79, null
+  br i1 %t80, label %panic8935, label %ok8936
+panic8935:
+  call void @finch_panic(ptr @.str.6273, i64 208, ptr @.str.6274)
   unreachable
-ok8454:
-  %t77 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t75, i32 0, i32 1
-  %t78 = load ptr, ptr %t77
-  %t79 = icmp eq ptr %t78, null
-  br i1 %t79, label %panic8455, label %ok8456
-panic8455:
-  call void @finch_panic(ptr @.str.6056, i64 204, ptr @.str.6057)
+ok8936:
+  %t81 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t79, i32 0, i32 1
+  %t82 = load ptr, ptr %t81
+  %t83 = icmp eq ptr %t82, null
+  br i1 %t83, label %panic8937, label %ok8938
+panic8937:
+  call void @finch_panic(ptr @.str.6275, i64 208, ptr @.str.6276)
   unreachable
-ok8456:
-  %t80 = getelementptr inbounds %S.cimport.CStruct, ptr %t78, i32 0, i32 5
-  store i1 true, ptr %t80
-  br label %endif8452
-endif8452:
-  %t81 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 0
-  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %t81, i32 0, i32 1
-  %t83 = load i64, ptr %t82
-  %t84 = icmp eq i64 %t83, 0
-  br i1 %t84, label %then8457, label %endif8459
-then8457:
-  %t85 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
-  store i1 true, ptr %t85
-  br label %endif8459
-endif8459:
-  %t86 = load ptr, ptr %a4
-  %t87 = icmp eq ptr %t86, null
-  br i1 %t87, label %panic8460, label %ok8461
-panic8460:
-  call void @finch_panic(ptr @.str.6058, i64 209, ptr @.str.6059)
+ok8938:
+  %t84 = getelementptr inbounds %S.cimport.CStruct, ptr %t82, i32 0, i32 5
+  store i1 true, ptr %t84
+  br label %endif8934
+endif8934:
+  %t85 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 0
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = icmp eq i64 %t87, 0
+  br i1 %t88, label %then8939, label %endif8941
+then8939:
+  %t89 = getelementptr inbounds %S.cimport.CField, ptr %a12, i32 0, i32 5
+  store i1 true, ptr %t89
+  br label %endif8941
+endif8941:
+  %t90 = load ptr, ptr %a4
+  %t91 = icmp eq ptr %t90, null
+  br i1 %t91, label %panic8942, label %ok8943
+panic8942:
+  call void @finch_panic(ptr @.str.6277, i64 213, ptr @.str.6278)
   unreachable
-ok8461:
-  %t88 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t86, i32 0, i32 1
-  %t89 = load ptr, ptr %t88
-  %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic8462, label %ok8463
-panic8462:
-  call void @finch_panic(ptr @.str.6060, i64 209, ptr @.str.6061)
+ok8943:
+  %t92 = getelementptr inbounds %S.cimport.FieldCtx, ptr %t90, i32 0, i32 1
+  %t93 = load ptr, ptr %t92
+  %t94 = icmp eq ptr %t93, null
+  br i1 %t94, label %panic8944, label %ok8945
+panic8944:
+  call void @finch_panic(ptr @.str.6279, i64 213, ptr @.str.6280)
   unreachable
-ok8463:
-  %t91 = getelementptr inbounds %S.cimport.CStruct, ptr %t89, i32 0, i32 1
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i32 0, i32 1
-  %t93 = load %S.cimport.CField, ptr %a12
-  store %S.cimport.CField %t93, ptr %a94
-  call void @finch.copy.S_cimport_CField(ptr %a95, ptr %a94)
-  %t96 = load %S.cimport.CField, ptr %a95
-  %t97 = load i64, ptr %t92
-  %t98 = add i64 %t97, 1
-  call void @finch_arr_reserve(ptr %t91, i64 %t98, i64 ptrtoint (ptr getelementptr (%S.cimport.CField, ptr null, i32 1) to i64))
-  %t99 = load ptr, ptr %t91
-  %t100 = getelementptr inbounds %S.cimport.CField, ptr %t99, i64 %t97
-  store %S.cimport.CField %t96, ptr %t100
-  store i64 %t98, ptr %t92
+ok8945:
+  %t95 = getelementptr inbounds %S.cimport.CStruct, ptr %t93, i32 0, i32 1
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t95, i32 0, i32 1
+  %t97 = load %S.cimport.CField, ptr %a12
+  store %S.cimport.CField %t97, ptr %a98
+  call void @finch.copy.S_cimport_CField(ptr %a99, ptr %a98)
+  %t100 = load %S.cimport.CField, ptr %a99
+  %t101 = load i64, ptr %t96
+  %t102 = add i64 %t101, 1
+  call void @finch_arr_reserve(ptr %t95, i64 %t102, i64 ptrtoint (ptr getelementptr (%S.cimport.CField, ptr null, i32 1) to i64))
+  %t103 = load ptr, ptr %t95
+  %t104 = getelementptr inbounds %S.cimport.CField, ptr %t103, i64 %t101
+  store %S.cimport.CField %t100, ptr %t104
+  store i64 %t102, ptr %t96
+  call void @finch.drop.S_cimport_CField(ptr %a12)
   ret i32 1
 }
 
@@ -78434,89 +94415,122 @@ define internal %S.cimport.Mapped @finch.cimport.sized(i64 %p0, i1 %p1) {
 entry:
   %a1 = alloca i64, align 16
   %a2 = alloca i1, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca %S.ast.Type, align 16
+  %a11 = alloca %S.ast.Type, align 16
+  %a17 = alloca %S.ast.Type, align 16
+  %a20 = alloca %S.ast.Type, align 16
+  %a26 = alloca %S.ast.Type, align 16
+  %a29 = alloca %S.ast.Type, align 16
+  %a35 = alloca %S.ast.Type, align 16
+  %a38 = alloca %S.ast.Type, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
   store i1 %p1, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = icmp eq i64 %t3, 1
-  br i1 %t4, label %then8464, label %endif8466
-then8464:
+  br i1 %t4, label %then8946, label %endif8948
+then8946:
   %t5 = load i1, ptr %a2
-  br i1 %t5, label %then8467, label %endif8469
-then8467:
-  %t6 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6062, i64 2, i64 0 })
+  br i1 %t5, label %then8949, label %endif8951
+then8949:
+  %t6 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6281, i64 2, i64 0 })
   %t7 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t6)
+  store %S.ast.Type %t6, ptr %a8
+  call void @finch.drop.S_ast_Type(ptr %a8)
   ret %S.cimport.Mapped %t7
-endif8469:
-  %t8 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6063, i64 2, i64 0 })
-  %t9 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t8)
-  ret %S.cimport.Mapped %t9
-endif8466:
-  %t10 = load i64, ptr %a1
-  %t11 = icmp eq i64 %t10, 2
-  br i1 %t11, label %then8470, label %endif8472
-then8470:
-  %t12 = load i1, ptr %a2
-  br i1 %t12, label %then8473, label %endif8475
-then8473:
-  %t13 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6064, i64 3, i64 0 })
-  %t14 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t13)
-  ret %S.cimport.Mapped %t14
-endif8475:
-  %t15 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6065, i64 3, i64 0 })
+endif8951:
+  %t9 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6282, i64 2, i64 0 })
+  %t10 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t9)
+  store %S.ast.Type %t9, ptr %a11
+  call void @finch.drop.S_ast_Type(ptr %a11)
+  ret %S.cimport.Mapped %t10
+endif8948:
+  %t12 = load i64, ptr %a1
+  %t13 = icmp eq i64 %t12, 2
+  br i1 %t13, label %then8952, label %endif8954
+then8952:
+  %t14 = load i1, ptr %a2
+  br i1 %t14, label %then8955, label %endif8957
+then8955:
+  %t15 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6283, i64 3, i64 0 })
   %t16 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t15)
+  store %S.ast.Type %t15, ptr %a17
+  call void @finch.drop.S_ast_Type(ptr %a17)
   ret %S.cimport.Mapped %t16
-endif8472:
-  %t17 = load i64, ptr %a1
-  %t18 = icmp eq i64 %t17, 4
-  br i1 %t18, label %then8476, label %endif8478
-then8476:
-  %t19 = load i1, ptr %a2
-  br i1 %t19, label %then8479, label %endif8481
-then8479:
-  %t20 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6066, i64 3, i64 0 })
-  %t21 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t20)
-  ret %S.cimport.Mapped %t21
-endif8481:
-  %t22 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6067, i64 3, i64 0 })
-  %t23 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t22)
-  ret %S.cimport.Mapped %t23
-endif8478:
-  %t24 = load i64, ptr %a1
-  %t25 = icmp eq i64 %t24, 8
-  br i1 %t25, label %then8482, label %endif8484
-then8482:
-  %t26 = load i1, ptr %a2
-  br i1 %t26, label %then8485, label %endif8487
-then8485:
-  %t27 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6068, i64 3, i64 0 })
+endif8957:
+  %t18 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6284, i64 3, i64 0 })
+  %t19 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t18)
+  store %S.ast.Type %t18, ptr %a20
+  call void @finch.drop.S_ast_Type(ptr %a20)
+  ret %S.cimport.Mapped %t19
+endif8954:
+  %t21 = load i64, ptr %a1
+  %t22 = icmp eq i64 %t21, 4
+  br i1 %t22, label %then8958, label %endif8960
+then8958:
+  %t23 = load i1, ptr %a2
+  br i1 %t23, label %then8961, label %endif8963
+then8961:
+  %t24 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6285, i64 3, i64 0 })
+  %t25 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t24)
+  store %S.ast.Type %t24, ptr %a26
+  call void @finch.drop.S_ast_Type(ptr %a26)
+  ret %S.cimport.Mapped %t25
+endif8963:
+  %t27 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6286, i64 3, i64 0 })
   %t28 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t27)
+  store %S.ast.Type %t27, ptr %a29
+  call void @finch.drop.S_ast_Type(ptr %a29)
   ret %S.cimport.Mapped %t28
-endif8487:
-  %t29 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6069, i64 3, i64 0 })
-  %t30 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t29)
-  ret %S.cimport.Mapped %t30
-endif8484:
-  %t31 = load i64, ptr %a1
-  %t32 = mul i64 %t31, 8
-  call void @finch_str_from_int(ptr %a33, i64 %t32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  store { ptr, i64, i64 } { ptr @.str.6070, i64 7, i64 0 }, ptr %a36
-  store { ptr, i64, i64 } %t34, ptr %a37
-  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
-  %t38 = load { ptr, i64, i64 }, ptr %a35
-  store { ptr, i64, i64 } %t38, ptr %a40
-  store { ptr, i64, i64 } { ptr @.str.6071, i64 11, i64 0 }, ptr %a41
-  call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  %t43 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t42)
-  ret %S.cimport.Mapped %t43
+endif8960:
+  %t30 = load i64, ptr %a1
+  %t31 = icmp eq i64 %t30, 8
+  br i1 %t31, label %then8964, label %endif8966
+then8964:
+  %t32 = load i1, ptr %a2
+  br i1 %t32, label %then8967, label %endif8969
+then8967:
+  %t33 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6287, i64 3, i64 0 })
+  %t34 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t33)
+  store %S.ast.Type %t33, ptr %a35
+  call void @finch.drop.S_ast_Type(ptr %a35)
+  ret %S.cimport.Mapped %t34
+endif8969:
+  %t36 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6288, i64 3, i64 0 })
+  %t37 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t36)
+  store %S.ast.Type %t36, ptr %a38
+  call void @finch.drop.S_ast_Type(ptr %a38)
+  ret %S.cimport.Mapped %t37
+endif8966:
+  %t39 = load i64, ptr %a1
+  %t40 = mul i64 %t39, 8
+  call void @finch_str_from_int(ptr %a41, i64 %t40)
+  %t42 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } { ptr @.str.6289, i64 7, i64 0 }, ptr %a44
+  store { ptr, i64, i64 } %t42, ptr %a45
+  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
+  store { ptr, i64, i64 } %t42, ptr %a46
+  call void @finch_str_drop(ptr %a46)
+  %t47 = load { ptr, i64, i64 }, ptr %a43
+  store { ptr, i64, i64 } %t47, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.6290, i64 11, i64 0 }, ptr %a50
+  call void @finch_str_concat(ptr %a48, ptr %a49, ptr %a50)
+  store { ptr, i64, i64 } %t47, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  %t52 = load { ptr, i64, i64 }, ptr %a48
+  %t53 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t52)
+  store { ptr, i64, i64 } %t52, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  ret %S.cimport.Mapped %t53
 }
 
 define internal %S.cimport.Mapped @finch.cimport.mapType(ptr %p0, %S.C.CXType %p1, i1 %p2, i1 %p3) {
@@ -78531,35 +94545,49 @@ entry:
   %a11 = alloca %S.C.CXType, align 16
   %a13 = alloca i64, align 16
   %a16 = alloca i32, align 16
-  %a78 = alloca %S.C.CXType, align 16
-  %a79 = alloca %S.C.CXType, align 16
-  %a81 = alloca %S.C.CXType, align 16
+  %a21 = alloca %S.ast.Type, align 16
+  %a26 = alloca %S.ast.Type, align 16
+  %a34 = alloca %S.ast.Type, align 16
+  %a75 = alloca %S.ast.Type, align 16
+  %a80 = alloca %S.ast.Type, align 16
   %a83 = alloca %S.C.CXType, align 16
-  %a85 = alloca %S.C.CXType, align 16
-  %a98 = alloca %S.C.CXType, align 16
-  %a120 = alloca %S.cimport.Mapped, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca %S.C.CXType, align 16
+  %a86 = alloca %S.C.CXType, align 16
+  %a88 = alloca %S.C.CXType, align 16
+  %a90 = alloca %S.C.CXType, align 16
+  %a103 = alloca %S.C.CXType, align 16
+  %a109 = alloca %S.ast.Type, align 16
+  %a123 = alloca %S.ast.Type, align 16
+  %a127 = alloca %S.cimport.Mapped, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
-  %a148 = alloca %S.C.CXCursor, align 16
-  %a150 = alloca %S.C.CXType, align 16
-  %a152 = alloca %S.C.CXCursor, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca %S.C.CXType, align 16
-  %a177 = alloca %S.C.CXType, align 16
-  %a180 = alloca %S.cimport.Mapped, align 16
-  %a188 = alloca %S.C.CXType, align 16
-  %a196 = alloca %S.C.CXType, align 16
-  %a198 = alloca [32 x i8], align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca %S.ast.Type, align 16
+  %a154 = alloca %S.ast.Type, align 16
+  %a157 = alloca %S.C.CXCursor, align 16
+  %a159 = alloca %S.C.CXType, align 16
+  %a161 = alloca %S.C.CXCursor, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca %S.ast.Type, align 16
+  %a185 = alloca %S.C.CXType, align 16
+  %a187 = alloca %S.C.CXType, align 16
+  %a190 = alloca %S.cimport.Mapped, align 16
+  %a198 = alloca %S.C.CXType, align 16
+  %a202 = alloca %S.ast.Type, align 16
+  %a207 = alloca %S.C.CXType, align 16
+  %a209 = alloca [32 x i8], align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXType %p1, ptr %a2
   store i1 %p2, ptr %a3
@@ -78578,402 +94606,435 @@ entry:
   store i32 %t15, ptr %a16
   %t17 = load i32, ptr %a16
   %t18 = icmp eq i32 %t17, 2
-  br i1 %t18, label %then8488, label %endif8490
-then8488:
-  %t19 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6072, i64 4, i64 0 })
+  br i1 %t18, label %then8970, label %endif8972
+then8970:
+  %t19 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6291, i64 4, i64 0 })
   %t20 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t19)
+  store %S.ast.Type %t19, ptr %a21
+  call void @finch.drop.S_ast_Type(ptr %a21)
   ret %S.cimport.Mapped %t20
-endif8490:
-  %t21 = load i32, ptr %a16
-  %t22 = icmp eq i32 %t21, 3
-  br i1 %t22, label %then8491, label %endif8493
-then8491:
-  %t23 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6073, i64 4, i64 0 })
-  %t24 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t23)
-  ret %S.cimport.Mapped %t24
-endif8493:
-  %t25 = load i32, ptr %a16
-  %t26 = icmp eq i32 %t25, 13
-  br label %logic.from8494
-logic.from8494:
-  br i1 %t26, label %logic.end8496, label %logic.rhs8495
-logic.rhs8495:
+endif8972:
+  %t22 = load i32, ptr %a16
+  %t23 = icmp eq i32 %t22, 3
+  br i1 %t23, label %then8973, label %endif8975
+then8973:
+  %t24 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6292, i64 4, i64 0 })
+  %t25 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t24)
+  store %S.ast.Type %t24, ptr %a26
+  call void @finch.drop.S_ast_Type(ptr %a26)
+  ret %S.cimport.Mapped %t25
+endif8975:
   %t27 = load i32, ptr %a16
-  %t28 = icmp eq i32 %t27, 4
-  br label %logic.rend8497
-logic.rend8497:
-  br label %logic.end8496
-logic.end8496:
-  %t29 = phi i1 [ true, %logic.from8494 ], [ %t28, %logic.rend8497 ]
-  br i1 %t29, label %then8498, label %endif8500
-then8498:
-  %t30 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6074, i64 4, i64 0 })
-  %t31 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t30)
-  ret %S.cimport.Mapped %t31
-endif8500:
-  %t32 = load i32, ptr %a16
-  %t33 = icmp eq i32 %t32, 14
-  br label %logic.from8501
-logic.from8501:
-  br i1 %t33, label %logic.end8503, label %logic.rhs8502
-logic.rhs8502:
-  %t34 = load i32, ptr %a16
-  %t35 = icmp eq i32 %t34, 16
-  br label %logic.rend8504
-logic.rend8504:
-  br label %logic.end8503
-logic.end8503:
-  %t36 = phi i1 [ true, %logic.from8501 ], [ %t35, %logic.rend8504 ]
-  br label %logic.from8505
-logic.from8505:
-  br i1 %t36, label %logic.end8507, label %logic.rhs8506
-logic.rhs8506:
+  %t28 = icmp eq i32 %t27, 13
+  br label %logic.from8976
+logic.from8976:
+  br i1 %t28, label %logic.end8978, label %logic.rhs8977
+logic.rhs8977:
+  %t29 = load i32, ptr %a16
+  %t30 = icmp eq i32 %t29, 4
+  br label %logic.rend8979
+logic.rend8979:
+  br label %logic.end8978
+logic.end8978:
+  %t31 = phi i1 [ true, %logic.from8976 ], [ %t30, %logic.rend8979 ]
+  br i1 %t31, label %then8980, label %endif8982
+then8980:
+  %t32 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6293, i64 4, i64 0 })
+  %t33 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t32)
+  store %S.ast.Type %t32, ptr %a34
+  call void @finch.drop.S_ast_Type(ptr %a34)
+  ret %S.cimport.Mapped %t33
+endif8982:
+  %t35 = load i32, ptr %a16
+  %t36 = icmp eq i32 %t35, 14
+  br label %logic.from8983
+logic.from8983:
+  br i1 %t36, label %logic.end8985, label %logic.rhs8984
+logic.rhs8984:
   %t37 = load i32, ptr %a16
-  %t38 = icmp eq i32 %t37, 17
-  br label %logic.rend8508
-logic.rend8508:
-  br label %logic.end8507
-logic.end8507:
-  %t39 = phi i1 [ true, %logic.from8505 ], [ %t38, %logic.rend8508 ]
-  br label %logic.from8509
-logic.from8509:
-  br i1 %t39, label %logic.end8511, label %logic.rhs8510
-logic.rhs8510:
+  %t38 = icmp eq i32 %t37, 16
+  br label %logic.rend8986
+logic.rend8986:
+  br label %logic.end8985
+logic.end8985:
+  %t39 = phi i1 [ true, %logic.from8983 ], [ %t38, %logic.rend8986 ]
+  br label %logic.from8987
+logic.from8987:
+  br i1 %t39, label %logic.end8989, label %logic.rhs8988
+logic.rhs8988:
   %t40 = load i32, ptr %a16
-  %t41 = icmp eq i32 %t40, 18
-  br label %logic.rend8512
-logic.rend8512:
-  br label %logic.end8511
-logic.end8511:
-  %t42 = phi i1 [ true, %logic.from8509 ], [ %t41, %logic.rend8512 ]
-  br label %logic.from8513
-logic.from8513:
-  br i1 %t42, label %logic.end8515, label %logic.rhs8514
-logic.rhs8514:
+  %t41 = icmp eq i32 %t40, 17
+  br label %logic.rend8990
+logic.rend8990:
+  br label %logic.end8989
+logic.end8989:
+  %t42 = phi i1 [ true, %logic.from8987 ], [ %t41, %logic.rend8990 ]
+  br label %logic.from8991
+logic.from8991:
+  br i1 %t42, label %logic.end8993, label %logic.rhs8992
+logic.rhs8992:
   %t43 = load i32, ptr %a16
-  %t44 = icmp eq i32 %t43, 19
-  br label %logic.rend8516
-logic.rend8516:
-  br label %logic.end8515
-logic.end8515:
-  %t45 = phi i1 [ true, %logic.from8513 ], [ %t44, %logic.rend8516 ]
-  br i1 %t45, label %then8517, label %endif8519
-then8517:
-  %t46 = load i64, ptr %a13
-  %t47 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t46, i1 true)
-  ret %S.cimport.Mapped %t47
-endif8519:
-  %t48 = load i32, ptr %a16
-  %t49 = icmp eq i32 %t48, 5
-  br label %logic.from8520
-logic.from8520:
-  br i1 %t49, label %logic.end8522, label %logic.rhs8521
-logic.rhs8521:
-  %t50 = load i32, ptr %a16
-  %t51 = icmp eq i32 %t50, 8
-  br label %logic.rend8523
-logic.rend8523:
-  br label %logic.end8522
-logic.end8522:
-  %t52 = phi i1 [ true, %logic.from8520 ], [ %t51, %logic.rend8523 ]
-  br label %logic.from8524
-logic.from8524:
-  br i1 %t52, label %logic.end8526, label %logic.rhs8525
-logic.rhs8525:
+  %t44 = icmp eq i32 %t43, 18
+  br label %logic.rend8994
+logic.rend8994:
+  br label %logic.end8993
+logic.end8993:
+  %t45 = phi i1 [ true, %logic.from8991 ], [ %t44, %logic.rend8994 ]
+  br label %logic.from8995
+logic.from8995:
+  br i1 %t45, label %logic.end8997, label %logic.rhs8996
+logic.rhs8996:
+  %t46 = load i32, ptr %a16
+  %t47 = icmp eq i32 %t46, 19
+  br label %logic.rend8998
+logic.rend8998:
+  br label %logic.end8997
+logic.end8997:
+  %t48 = phi i1 [ true, %logic.from8995 ], [ %t47, %logic.rend8998 ]
+  br i1 %t48, label %then8999, label %endif9001
+then8999:
+  %t49 = load i64, ptr %a13
+  %t50 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t49, i1 true)
+  ret %S.cimport.Mapped %t50
+endif9001:
+  %t51 = load i32, ptr %a16
+  %t52 = icmp eq i32 %t51, 5
+  br label %logic.from9002
+logic.from9002:
+  br i1 %t52, label %logic.end9004, label %logic.rhs9003
+logic.rhs9003:
   %t53 = load i32, ptr %a16
-  %t54 = icmp eq i32 %t53, 9
-  br label %logic.rend8527
-logic.rend8527:
-  br label %logic.end8526
-logic.end8526:
-  %t55 = phi i1 [ true, %logic.from8524 ], [ %t54, %logic.rend8527 ]
-  br label %logic.from8528
-logic.from8528:
-  br i1 %t55, label %logic.end8530, label %logic.rhs8529
-logic.rhs8529:
+  %t54 = icmp eq i32 %t53, 8
+  br label %logic.rend9005
+logic.rend9005:
+  br label %logic.end9004
+logic.end9004:
+  %t55 = phi i1 [ true, %logic.from9002 ], [ %t54, %logic.rend9005 ]
+  br label %logic.from9006
+logic.from9006:
+  br i1 %t55, label %logic.end9008, label %logic.rhs9007
+logic.rhs9007:
   %t56 = load i32, ptr %a16
-  %t57 = icmp eq i32 %t56, 10
-  br label %logic.rend8531
-logic.rend8531:
-  br label %logic.end8530
-logic.end8530:
-  %t58 = phi i1 [ true, %logic.from8528 ], [ %t57, %logic.rend8531 ]
-  br label %logic.from8532
-logic.from8532:
-  br i1 %t58, label %logic.end8534, label %logic.rhs8533
-logic.rhs8533:
+  %t57 = icmp eq i32 %t56, 9
+  br label %logic.rend9009
+logic.rend9009:
+  br label %logic.end9008
+logic.end9008:
+  %t58 = phi i1 [ true, %logic.from9006 ], [ %t57, %logic.rend9009 ]
+  br label %logic.from9010
+logic.from9010:
+  br i1 %t58, label %logic.end9012, label %logic.rhs9011
+logic.rhs9011:
   %t59 = load i32, ptr %a16
-  %t60 = icmp eq i32 %t59, 11
-  br label %logic.rend8535
-logic.rend8535:
-  br label %logic.end8534
-logic.end8534:
-  %t61 = phi i1 [ true, %logic.from8532 ], [ %t60, %logic.rend8535 ]
-  br i1 %t61, label %then8536, label %endif8538
-then8536:
-  %t62 = load i64, ptr %a13
-  %t63 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t62, i1 false)
-  ret %S.cimport.Mapped %t63
-endif8538:
-  %t64 = load i32, ptr %a16
-  %t65 = icmp eq i32 %t64, 106
-  br i1 %t65, label %then8539, label %endif8541
-then8539:
-  %t66 = load i64, ptr %a13
-  %t67 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t66, i1 true)
-  ret %S.cimport.Mapped %t67
-endif8541:
-  %t68 = load i32, ptr %a16
-  %t69 = icmp eq i32 %t68, 21
-  br i1 %t69, label %then8542, label %endif8544
-then8542:
-  %t70 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6075, i64 3, i64 0 })
-  %t71 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t70)
-  ret %S.cimport.Mapped %t71
-endif8544:
-  %t72 = load i32, ptr %a16
-  %t73 = icmp eq i32 %t72, 22
-  br i1 %t73, label %then8545, label %endif8547
-then8545:
-  %t74 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6076, i64 5, i64 0 })
-  %t75 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t74)
-  ret %S.cimport.Mapped %t75
-endif8547:
+  %t60 = icmp eq i32 %t59, 10
+  br label %logic.rend9013
+logic.rend9013:
+  br label %logic.end9012
+logic.end9012:
+  %t61 = phi i1 [ true, %logic.from9010 ], [ %t60, %logic.rend9013 ]
+  br label %logic.from9014
+logic.from9014:
+  br i1 %t61, label %logic.end9016, label %logic.rhs9015
+logic.rhs9015:
+  %t62 = load i32, ptr %a16
+  %t63 = icmp eq i32 %t62, 11
+  br label %logic.rend9017
+logic.rend9017:
+  br label %logic.end9016
+logic.end9016:
+  %t64 = phi i1 [ true, %logic.from9014 ], [ %t63, %logic.rend9017 ]
+  br i1 %t64, label %then9018, label %endif9020
+then9018:
+  %t65 = load i64, ptr %a13
+  %t66 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t65, i1 false)
+  ret %S.cimport.Mapped %t66
+endif9020:
+  %t67 = load i32, ptr %a16
+  %t68 = icmp eq i32 %t67, 106
+  br i1 %t68, label %then9021, label %endif9023
+then9021:
+  %t69 = load i64, ptr %a13
+  %t70 = call %S.cimport.Mapped @finch.cimport.sized(i64 %t69, i1 true)
+  ret %S.cimport.Mapped %t70
+endif9023:
+  %t71 = load i32, ptr %a16
+  %t72 = icmp eq i32 %t71, 21
+  br i1 %t72, label %then9024, label %endif9026
+then9024:
+  %t73 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6294, i64 3, i64 0 })
+  %t74 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t73)
+  store %S.ast.Type %t73, ptr %a75
+  call void @finch.drop.S_ast_Type(ptr %a75)
+  ret %S.cimport.Mapped %t74
+endif9026:
   %t76 = load i32, ptr %a16
-  %t77 = icmp eq i32 %t76, 101
-  br i1 %t77, label %then8548, label %endif8550
-then8548:
-  %t80 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t80, ptr %a81
-  call void @clang_getPointeeType(ptr sret(%S.C.CXType) align 16 %a79, ptr byval(%S.C.CXType) align 8 %a81)
-  %t82 = load %S.C.CXType, ptr %a79
-  store %S.C.CXType %t82, ptr %a83
-  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a78, ptr byval(%S.C.CXType) align 8 %a83)
-  %t84 = load %S.C.CXType, ptr %a78
-  store %S.C.CXType %t84, ptr %a85
-  %t86 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t87 = load i32, ptr %t86
-  %t88 = icmp eq i32 %t87, 13
-  br label %logic.from8551
-logic.from8551:
-  br i1 %t88, label %logic.end8553, label %logic.rhs8552
-logic.rhs8552:
-  %t89 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t90 = load i32, ptr %t89
-  %t91 = icmp eq i32 %t90, 4
-  br label %logic.rend8554
-logic.rend8554:
-  br label %logic.end8553
-logic.end8553:
-  %t92 = phi i1 [ true, %logic.from8551 ], [ %t91, %logic.rend8554 ]
-  br label %logic.from8555
-logic.from8555:
-  br i1 %t92, label %logic.rhs8556, label %logic.end8557
-logic.rhs8556:
-  %t93 = load i1, ptr %a3
-  br label %logic.rend8558
-logic.rend8558:
-  br label %logic.end8557
-logic.end8557:
-  %t94 = phi i1 [ false, %logic.from8555 ], [ %t93, %logic.rend8558 ]
-  br i1 %t94, label %then8559, label %endif8561
-then8559:
-  %t95 = load i1, ptr %a4
-  %t96 = xor i1 %t95, true
-  br label %logic.from8562
-logic.from8562:
-  br i1 %t96, label %logic.end8564, label %logic.rhs8563
-logic.rhs8563:
-  %t97 = load %S.C.CXType, ptr %a85
-  store %S.C.CXType %t97, ptr %a98
-  %t99 = call i32 @clang_isConstQualifiedType(ptr byval(%S.C.CXType) align 8 %a98)
-  %t100 = icmp ne i32 %t99, 0
-  br label %logic.rend8565
-logic.rend8565:
-  br label %logic.end8564
-logic.end8564:
-  %t101 = phi i1 [ true, %logic.from8562 ], [ %t100, %logic.rend8565 ]
-  br i1 %t101, label %then8566, label %endif8568
-then8566:
-  %t102 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6077, i64 3, i64 0 })
-  %t103 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t102)
-  ret %S.cimport.Mapped %t103
-endif8568:
-  br label %endif8561
-endif8561:
-  %t104 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t105 = load i32, ptr %t104
-  %t106 = icmp eq i32 %t105, 2
-  br label %logic.from8569
-logic.from8569:
-  br i1 %t106, label %logic.end8571, label %logic.rhs8570
-logic.rhs8570:
-  %t107 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t108 = load i32, ptr %t107
-  %t109 = icmp eq i32 %t108, 111
-  br label %logic.rend8572
-logic.rend8572:
-  br label %logic.end8571
-logic.end8571:
-  %t110 = phi i1 [ true, %logic.from8569 ], [ %t109, %logic.rend8572 ]
-  br label %logic.from8573
-logic.from8573:
-  br i1 %t110, label %logic.end8575, label %logic.rhs8574
-logic.rhs8574:
-  %t111 = getelementptr inbounds %S.C.CXType, ptr %a85, i32 0, i32 0
-  %t112 = load i32, ptr %t111
-  %t113 = icmp eq i32 %t112, 110
-  br label %logic.rend8576
-logic.rend8576:
-  br label %logic.end8575
-logic.end8575:
-  %t114 = phi i1 [ true, %logic.from8573 ], [ %t113, %logic.rend8576 ]
-  br i1 %t114, label %then8577, label %endif8579
-then8577:
-  %t115 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6078, i64 3, i64 0 })
-  %t116 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t115)
-  ret %S.cimport.Mapped %t116
-endif8579:
-  %t117 = load ptr, ptr %a1
-  %t118 = load %S.C.CXType, ptr %a85
-  %t119 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t117, %S.C.CXType %t118, i1 false, i1 false)
-  store %S.cimport.Mapped %t119, ptr %a120
-  %t121 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 2
-  %t122 = load i1, ptr %t121
-  %t123 = xor i1 %t122, true
-  br label %logic.from8580
-logic.from8580:
-  br i1 %t123, label %logic.end8582, label %logic.rhs8581
-logic.rhs8581:
-  %t124 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 0
-  %t125 = getelementptr inbounds %S.ast.Type, ptr %t124, i32 0, i32 0
-  %t126 = load { ptr, i64, i64 }, ptr %t125
-  store { ptr, i64, i64 } %t126, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.6079, i64 4, i64 0 }, ptr %a128
-  %t129 = call i32 @finch_str_eq(ptr %a127, ptr %a128)
-  %t130 = icmp ne i32 %t129, 0
-  br label %logic.rend8583
-logic.rend8583:
-  br label %logic.end8582
-logic.end8582:
-  %t131 = phi i1 [ true, %logic.from8580 ], [ %t130, %logic.rend8583 ]
-  br label %logic.from8584
-logic.from8584:
-  br i1 %t131, label %logic.end8586, label %logic.rhs8585
-logic.rhs8585:
-  %t132 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 0
-  %t133 = getelementptr inbounds %S.ast.Type, ptr %t132, i32 0, i32 0
-  %t134 = load { ptr, i64, i64 }, ptr %t133
-  store { ptr, i64, i64 } %t134, ptr %a135
-  store { ptr, i64, i64 } { ptr @.str.6080, i64 5, i64 0 }, ptr %a136
-  %t137 = call i32 @finch_str_eq(ptr %a135, ptr %a136)
-  %t138 = icmp ne i32 %t137, 0
-  br label %logic.rend8587
-logic.rend8587:
-  br label %logic.end8586
-logic.end8586:
-  %t139 = phi i1 [ true, %logic.from8584 ], [ %t138, %logic.rend8587 ]
-  br i1 %t139, label %then8588, label %endif8590
-then8588:
-  %t140 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6081, i64 3, i64 0 })
-  %t141 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t140)
-  ret %S.cimport.Mapped %t141
-endif8590:
-  %t142 = getelementptr inbounds %S.cimport.Mapped, ptr %a120, i32 0, i32 0
-  %t143 = load %S.ast.Type, ptr %t142
-  %t144 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t143)
-  %t145 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t144)
-  ret %S.cimport.Mapped %t145
-endif8550:
-  %t146 = load i32, ptr %a16
-  %t147 = icmp eq i32 %t146, 105
-  br i1 %t147, label %then8591, label %endif8593
-then8591:
-  %t149 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t149, ptr %a150
-  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a148, ptr byval(%S.C.CXType) align 8 %a150)
-  %t151 = load %S.C.CXCursor, ptr %a148
-  store %S.C.CXCursor %t151, ptr %a152
-  %t153 = call i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8 %a152)
-  %t154 = icmp eq i32 %t153, 3
-  br i1 %t154, label %then8594, label %endif8596
-then8594:
-  %t155 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6082, i64 23, i64 0 })
-  ret %S.cimport.Mapped %t155
-endif8596:
-  %t156 = load ptr, ptr %a1
-  %t157 = load %S.C.CXType, ptr %a9
-  %t158 = call { ptr, i64, i64 } @finch.cimport.defineRecord(ptr %t156, %S.C.CXType %t157)
-  store { ptr, i64, i64 } %t158, ptr %a159
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %a159, i32 0, i32 1
-  %t161 = load i64, ptr %t160
-  %t162 = icmp eq i64 %t161, 0
-  br i1 %t162, label %then8597, label %endif8599
-then8597:
-  %t163 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6083, i64 36, i64 0 })
-  ret %S.cimport.Mapped %t163
-endif8599:
-  %t164 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6084, i64 5, i64 0 }, 0
-  %t165 = load { ptr, i64, i64 }, ptr %a159
-  store { ptr, i64, i64 } %t165, ptr %a166
-  call void @finch_str_copy(ptr %a167, ptr %a166)
-  %t168 = load { ptr, i64, i64 }, ptr %a167
-  %t169 = insertvalue %S.ast.Type %t164, { ptr, i64, i64 } %t168, 2
-  %t170 = insertvalue %S.ast.Type %t169, { ptr, i64, i64 } { ptr @.str.6085, i64 1, i64 0 }, 3
-  %t171 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t170)
-  ret %S.cimport.Mapped %t171
-endif8593:
-  %t172 = load i32, ptr %a16
-  %t173 = icmp eq i32 %t172, 112
-  br i1 %t173, label %then8600, label %endif8602
-then8600:
-  %t174 = load ptr, ptr %a1
-  %t176 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t176, ptr %a177
-  call void @clang_getArrayElementType(ptr sret(%S.C.CXType) align 16 %a175, ptr byval(%S.C.CXType) align 8 %a177)
-  %t178 = load %S.C.CXType, ptr %a175
-  %t179 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t174, %S.C.CXType %t178, i1 false, i1 false)
-  store %S.cimport.Mapped %t179, ptr %a180
-  %t181 = getelementptr inbounds %S.cimport.Mapped, ptr %a180, i32 0, i32 2
-  %t182 = load i1, ptr %t181
-  %t183 = xor i1 %t182, true
-  br i1 %t183, label %then8603, label %endif8605
-then8603:
-  %t184 = load %S.cimport.Mapped, ptr %a180
-  ret %S.cimport.Mapped %t184
-endif8605:
-  %t185 = getelementptr inbounds %S.cimport.Mapped, ptr %a180, i32 0, i32 0
-  %t186 = load %S.ast.Type, ptr %t185
-  %t187 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t187, ptr %a188
-  %t189 = call i64 @clang_getArraySize(ptr byval(%S.C.CXType) align 8 %a188)
-  %t190 = call %S.ast.Type @finch.cimport.fixed(%S.ast.Type %t186, i64 %t189)
-  %t191 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t190)
-  ret %S.cimport.Mapped %t191
-endif8602:
-  %t192 = load i32, ptr %a16
-  %t193 = icmp eq i32 %t192, 23
-  br i1 %t193, label %then8606, label %endif8608
-then8606:
-  %t194 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6086, i64 16, i64 0 })
+  %t77 = icmp eq i32 %t76, 22
+  br i1 %t77, label %then9027, label %endif9029
+then9027:
+  %t78 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6295, i64 5, i64 0 })
+  %t79 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t78)
+  store %S.ast.Type %t78, ptr %a80
+  call void @finch.drop.S_ast_Type(ptr %a80)
+  ret %S.cimport.Mapped %t79
+endif9029:
+  %t81 = load i32, ptr %a16
+  %t82 = icmp eq i32 %t81, 101
+  br i1 %t82, label %then9030, label %endif9032
+then9030:
+  %t85 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t85, ptr %a86
+  call void @clang_getPointeeType(ptr sret(%S.C.CXType) align 16 %a84, ptr byval(%S.C.CXType) align 8 %a86)
+  %t87 = load %S.C.CXType, ptr %a84
+  store %S.C.CXType %t87, ptr %a88
+  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a83, ptr byval(%S.C.CXType) align 8 %a88)
+  %t89 = load %S.C.CXType, ptr %a83
+  store %S.C.CXType %t89, ptr %a90
+  %t91 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t92 = load i32, ptr %t91
+  %t93 = icmp eq i32 %t92, 13
+  br label %logic.from9033
+logic.from9033:
+  br i1 %t93, label %logic.end9035, label %logic.rhs9034
+logic.rhs9034:
+  %t94 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t95 = load i32, ptr %t94
+  %t96 = icmp eq i32 %t95, 4
+  br label %logic.rend9036
+logic.rend9036:
+  br label %logic.end9035
+logic.end9035:
+  %t97 = phi i1 [ true, %logic.from9033 ], [ %t96, %logic.rend9036 ]
+  br label %logic.from9037
+logic.from9037:
+  br i1 %t97, label %logic.rhs9038, label %logic.end9039
+logic.rhs9038:
+  %t98 = load i1, ptr %a3
+  br label %logic.rend9040
+logic.rend9040:
+  br label %logic.end9039
+logic.end9039:
+  %t99 = phi i1 [ false, %logic.from9037 ], [ %t98, %logic.rend9040 ]
+  br i1 %t99, label %then9041, label %endif9043
+then9041:
+  %t100 = load i1, ptr %a4
+  %t101 = xor i1 %t100, true
+  br label %logic.from9044
+logic.from9044:
+  br i1 %t101, label %logic.end9046, label %logic.rhs9045
+logic.rhs9045:
+  %t102 = load %S.C.CXType, ptr %a90
+  store %S.C.CXType %t102, ptr %a103
+  %t104 = call i32 @clang_isConstQualifiedType(ptr byval(%S.C.CXType) align 8 %a103)
+  %t105 = icmp ne i32 %t104, 0
+  br label %logic.rend9047
+logic.rend9047:
+  br label %logic.end9046
+logic.end9046:
+  %t106 = phi i1 [ true, %logic.from9044 ], [ %t105, %logic.rend9047 ]
+  br i1 %t106, label %then9048, label %endif9050
+then9048:
+  %t107 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6296, i64 3, i64 0 })
+  %t108 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t107)
+  store %S.ast.Type %t107, ptr %a109
+  call void @finch.drop.S_ast_Type(ptr %a109)
+  ret %S.cimport.Mapped %t108
+endif9050:
+  br label %endif9043
+endif9043:
+  %t110 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t111 = load i32, ptr %t110
+  %t112 = icmp eq i32 %t111, 2
+  br label %logic.from9051
+logic.from9051:
+  br i1 %t112, label %logic.end9053, label %logic.rhs9052
+logic.rhs9052:
+  %t113 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t114 = load i32, ptr %t113
+  %t115 = icmp eq i32 %t114, 111
+  br label %logic.rend9054
+logic.rend9054:
+  br label %logic.end9053
+logic.end9053:
+  %t116 = phi i1 [ true, %logic.from9051 ], [ %t115, %logic.rend9054 ]
+  br label %logic.from9055
+logic.from9055:
+  br i1 %t116, label %logic.end9057, label %logic.rhs9056
+logic.rhs9056:
+  %t117 = getelementptr inbounds %S.C.CXType, ptr %a90, i32 0, i32 0
+  %t118 = load i32, ptr %t117
+  %t119 = icmp eq i32 %t118, 110
+  br label %logic.rend9058
+logic.rend9058:
+  br label %logic.end9057
+logic.end9057:
+  %t120 = phi i1 [ true, %logic.from9055 ], [ %t119, %logic.rend9058 ]
+  br i1 %t120, label %then9059, label %endif9061
+then9059:
+  %t121 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6297, i64 3, i64 0 })
+  %t122 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t121)
+  store %S.ast.Type %t121, ptr %a123
+  call void @finch.drop.S_ast_Type(ptr %a123)
+  ret %S.cimport.Mapped %t122
+endif9061:
+  %t124 = load ptr, ptr %a1
+  %t125 = load %S.C.CXType, ptr %a90
+  %t126 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t124, %S.C.CXType %t125, i1 false, i1 false)
+  store %S.cimport.Mapped %t126, ptr %a127
+  %t128 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 2
+  %t129 = load i1, ptr %t128
+  %t130 = xor i1 %t129, true
+  br label %logic.from9062
+logic.from9062:
+  br i1 %t130, label %logic.end9064, label %logic.rhs9063
+logic.rhs9063:
+  %t131 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 0
+  %t132 = getelementptr inbounds %S.ast.Type, ptr %t131, i32 0, i32 0
+  %t133 = load { ptr, i64, i64 }, ptr %t132
+  store { ptr, i64, i64 } %t133, ptr %a134
+  store { ptr, i64, i64 } { ptr @.str.6298, i64 4, i64 0 }, ptr %a135
+  %t136 = call i32 @finch_str_eq(ptr %a134, ptr %a135)
+  %t137 = icmp ne i32 %t136, 0
+  br label %logic.rend9065
+logic.rend9065:
+  br label %logic.end9064
+logic.end9064:
+  %t138 = phi i1 [ true, %logic.from9062 ], [ %t137, %logic.rend9065 ]
+  br label %logic.from9066
+logic.from9066:
+  br i1 %t138, label %logic.end9068, label %logic.rhs9067
+logic.rhs9067:
+  %t139 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 0
+  %t140 = getelementptr inbounds %S.ast.Type, ptr %t139, i32 0, i32 0
+  %t141 = load { ptr, i64, i64 }, ptr %t140
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.6299, i64 5, i64 0 }, ptr %a143
+  %t144 = call i32 @finch_str_eq(ptr %a142, ptr %a143)
+  %t145 = icmp ne i32 %t144, 0
+  br label %logic.rend9069
+logic.rend9069:
+  br label %logic.end9068
+logic.end9068:
+  %t146 = phi i1 [ true, %logic.from9066 ], [ %t145, %logic.rend9069 ]
+  br i1 %t146, label %then9070, label %endif9072
+then9070:
+  %t147 = call %S.ast.Type @finch.ast.simple({ ptr, i64, i64 } { ptr @.str.6300, i64 3, i64 0 })
+  %t148 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t147)
+  store %S.ast.Type %t147, ptr %a149
+  call void @finch.drop.S_ast_Type(ptr %a149)
+  call void @finch.drop.S_cimport_Mapped(ptr %a127)
+  ret %S.cimport.Mapped %t148
+endif9072:
+  %t150 = getelementptr inbounds %S.cimport.Mapped, ptr %a127, i32 0, i32 0
+  %t151 = load %S.ast.Type, ptr %t150
+  %t152 = call %S.ast.Type @finch.ast.ptrTo(%S.ast.Type %t151)
+  %t153 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t152)
+  store %S.ast.Type %t152, ptr %a154
+  call void @finch.drop.S_ast_Type(ptr %a154)
+  call void @finch.drop.S_cimport_Mapped(ptr %a127)
+  ret %S.cimport.Mapped %t153
+endif9032:
+  %t155 = load i32, ptr %a16
+  %t156 = icmp eq i32 %t155, 105
+  br i1 %t156, label %then9073, label %endif9075
+then9073:
+  %t158 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t158, ptr %a159
+  call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a157, ptr byval(%S.C.CXType) align 8 %a159)
+  %t160 = load %S.C.CXCursor, ptr %a157
+  store %S.C.CXCursor %t160, ptr %a161
+  %t162 = call i32 @clang_getCursorKind(ptr byval(%S.C.CXCursor) align 8 %a161)
+  %t163 = icmp eq i32 %t162, 3
+  br i1 %t163, label %then9076, label %endif9078
+then9076:
+  %t164 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6301, i64 23, i64 0 })
+  ret %S.cimport.Mapped %t164
+endif9078:
+  %t165 = load ptr, ptr %a1
+  %t166 = load %S.C.CXType, ptr %a9
+  %t167 = call { ptr, i64, i64 } @finch.cimport.defineRecord(ptr %t165, %S.C.CXType %t166)
+  store { ptr, i64, i64 } %t167, ptr %a168
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %a168, i32 0, i32 1
+  %t170 = load i64, ptr %t169
+  %t171 = icmp eq i64 %t170, 0
+  br i1 %t171, label %then9079, label %endif9081
+then9079:
+  %t172 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6302, i64 36, i64 0 })
+  call void @finch_str_drop(ptr %a168)
+  ret %S.cimport.Mapped %t172
+endif9081:
+  %t173 = insertvalue %S.ast.Type zeroinitializer, { ptr, i64, i64 } { ptr @.str.6303, i64 5, i64 0 }, 0
+  %t174 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t174, ptr %a175
+  call void @finch_str_copy(ptr %a176, ptr %a175)
+  %t177 = load { ptr, i64, i64 }, ptr %a176
+  %t178 = insertvalue %S.ast.Type %t173, { ptr, i64, i64 } %t177, 2
+  %t179 = insertvalue %S.ast.Type %t178, { ptr, i64, i64 } { ptr @.str.6304, i64 1, i64 0 }, 3
+  %t180 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t179)
+  store %S.ast.Type %t179, ptr %a181
+  call void @finch.drop.S_ast_Type(ptr %a181)
+  call void @finch_str_drop(ptr %a168)
+  ret %S.cimport.Mapped %t180
+endif9075:
+  %t182 = load i32, ptr %a16
+  %t183 = icmp eq i32 %t182, 112
+  br i1 %t183, label %then9082, label %endif9084
+then9082:
+  %t184 = load ptr, ptr %a1
+  %t186 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t186, ptr %a187
+  call void @clang_getArrayElementType(ptr sret(%S.C.CXType) align 16 %a185, ptr byval(%S.C.CXType) align 8 %a187)
+  %t188 = load %S.C.CXType, ptr %a185
+  %t189 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t184, %S.C.CXType %t188, i1 false, i1 false)
+  store %S.cimport.Mapped %t189, ptr %a190
+  %t191 = getelementptr inbounds %S.cimport.Mapped, ptr %a190, i32 0, i32 2
+  %t192 = load i1, ptr %t191
+  %t193 = xor i1 %t192, true
+  br i1 %t193, label %then9085, label %endif9087
+then9085:
+  %t194 = load %S.cimport.Mapped, ptr %a190
   ret %S.cimport.Mapped %t194
-endif8608:
-  %t195 = load %S.C.CXType, ptr %a9
-  store %S.C.CXType %t195, ptr %a196
-  %t197 = call { i64, i64 } @clang_getTypeSpelling(ptr byval(%S.C.CXType) align 8 %a196)
-  store { i64, i64 } %t197, ptr %a198
-  %t199 = load %S.C.CXString, ptr %a198
-  %t200 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t199)
-  store { ptr, i64, i64 } { ptr @.str.6087, i64 17, i64 0 }, ptr %a202
-  store { ptr, i64, i64 } %t200, ptr %a203
-  call void @finch_str_concat(ptr %a201, ptr %a202, ptr %a203)
-  %t204 = load { ptr, i64, i64 }, ptr %a201
-  store { ptr, i64, i64 } %t204, ptr %a206
-  store { ptr, i64, i64 } { ptr @.str.6088, i64 1, i64 0 }, ptr %a207
-  call void @finch_str_concat(ptr %a205, ptr %a206, ptr %a207)
-  %t208 = load { ptr, i64, i64 }, ptr %a205
-  %t209 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t208)
-  ret %S.cimport.Mapped %t209
+endif9087:
+  %t195 = getelementptr inbounds %S.cimport.Mapped, ptr %a190, i32 0, i32 0
+  %t196 = load %S.ast.Type, ptr %t195
+  %t197 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t197, ptr %a198
+  %t199 = call i64 @clang_getArraySize(ptr byval(%S.C.CXType) align 8 %a198)
+  %t200 = call %S.ast.Type @finch.cimport.fixed(%S.ast.Type %t196, i64 %t199)
+  %t201 = call %S.cimport.Mapped @finch.cimport.ok(%S.ast.Type %t200)
+  store %S.ast.Type %t200, ptr %a202
+  call void @finch.drop.S_ast_Type(ptr %a202)
+  call void @finch.drop.S_cimport_Mapped(ptr %a190)
+  ret %S.cimport.Mapped %t201
+endif9084:
+  %t203 = load i32, ptr %a16
+  %t204 = icmp eq i32 %t203, 23
+  br i1 %t204, label %then9088, label %endif9090
+then9088:
+  %t205 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } { ptr @.str.6305, i64 16, i64 0 })
+  ret %S.cimport.Mapped %t205
+endif9090:
+  %t206 = load %S.C.CXType, ptr %a9
+  store %S.C.CXType %t206, ptr %a207
+  %t208 = call { i64, i64 } @clang_getTypeSpelling(ptr byval(%S.C.CXType) align 8 %a207)
+  store { i64, i64 } %t208, ptr %a209
+  %t210 = load %S.C.CXString, ptr %a209
+  %t211 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t210)
+  store { ptr, i64, i64 } { ptr @.str.6306, i64 17, i64 0 }, ptr %a213
+  store { ptr, i64, i64 } %t211, ptr %a214
+  call void @finch_str_concat(ptr %a212, ptr %a213, ptr %a214)
+  store { ptr, i64, i64 } %t211, ptr %a215
+  call void @finch_str_drop(ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a212
+  store { ptr, i64, i64 } %t216, ptr %a218
+  store { ptr, i64, i64 } { ptr @.str.6307, i64 1, i64 0 }, ptr %a219
+  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
+  store { ptr, i64, i64 } %t216, ptr %a220
+  call void @finch_str_drop(ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  %t222 = call %S.cimport.Mapped @finch.cimport.no({ ptr, i64, i64 } %t221)
+  store { ptr, i64, i64 } %t221, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  ret %S.cimport.Mapped %t222
 }
 
 define internal %S.cimport.Number @finch.cimport.parseInt({ ptr, i64, i64 } %p0) {
@@ -78991,17 +95052,20 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
   %a23 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca i64, align 16
-  %a45 = alloca i1, align 16
-  %a46 = alloca i64, align 16
-  %a58 = alloca i8, align 16
-  %a59 = alloca i64, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca i64, align 16
+  %a49 = alloca i1, align 16
+  %a50 = alloca i64, align 16
+  %a62 = alloca i8, align 16
+  %a63 = alloca i64, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a116 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -79011,258 +95075,258 @@ entry:
   store i64 10, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t8, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.6090, i64 2, i64 0 }, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.6309, i64 2, i64 0 }, ptr %a11
   %t12 = call i32 @finch_str_starts(ptr %a9, ptr %a11)
   %t13 = icmp ne i32 %t12, 0
-  br label %logic.from8609
-logic.from8609:
-  br i1 %t13, label %logic.end8611, label %logic.rhs8610
-logic.rhs8610:
+  br label %logic.from9091
+logic.from9091:
+  br i1 %t13, label %logic.end9093, label %logic.rhs9092
+logic.rhs9092:
   %t14 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.6092, i64 2, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.6311, i64 2, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_starts(ptr %a15, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br label %logic.rend8612
-logic.rend8612:
-  br label %logic.end8611
-logic.end8611:
-  %t20 = phi i1 [ true, %logic.from8609 ], [ %t19, %logic.rend8612 ]
-  br i1 %t20, label %then8613, label %else8614
-then8613:
+  br label %logic.rend9094
+logic.rend9094:
+  br label %logic.end9093
+logic.end9093:
+  %t20 = phi i1 [ true, %logic.from9091 ], [ %t19, %logic.rend9094 ]
+  br i1 %t20, label %then9095, label %else9096
+then9095:
   store i64 16, ptr %a7
   %t21 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t21, ptr %a22
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
   %t25 = load i64, ptr %t24
-  call void @finch_str_sub(ptr %a23, ptr %a22, i64 2, i64 %t25, ptr @.str.6093, i64 327)
+  call void @finch_str_sub(ptr %a23, ptr %a22, i64 2, i64 %t25, ptr @.str.6312, i64 331)
   %t26 = load { ptr, i64, i64 }, ptr %a23
+  %t27 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t26, ptr %a6
-  br label %endif8615
-else8614:
-  %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t28 = load i64, ptr %t27
-  %t29 = icmp sgt i64 %t28, 1
-  br label %logic.from8616
-logic.from8616:
-  br i1 %t29, label %logic.rhs8617, label %logic.end8618
-logic.rhs8617:
-  %t30 = load { ptr, i64, i64 }, ptr %a6
-  %t31 = extractvalue { ptr, i64, i64 } %t30, 1
-  %t32 = icmp uge i64 0, %t31
-  br i1 %t32, label %range8619, label %inrange8620
-range8619:
-  call void @finch_panic_index(ptr @.str.6094, i64 328, i64 0, i64 %t31)
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  br label %endif9097
+else9096:
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = icmp sgt i64 %t30, 1
+  br label %logic.from9098
+logic.from9098:
+  br i1 %t31, label %logic.rhs9099, label %logic.end9100
+logic.rhs9099:
+  %t32 = load { ptr, i64, i64 }, ptr %a6
+  %t33 = extractvalue { ptr, i64, i64 } %t32, 1
+  %t34 = icmp uge i64 0, %t33
+  br i1 %t34, label %range9101, label %inrange9102
+range9101:
+  call void @finch_panic_index(ptr @.str.6313, i64 332, i64 0, i64 %t33)
   unreachable
-inrange8620:
-  %t33 = extractvalue { ptr, i64, i64 } %t30, 0
-  %t34 = getelementptr inbounds i8, ptr %t33, i64 0
-  %t35 = load i8, ptr %t34
-  %t36 = icmp eq i8 %t35, 48
-  br label %logic.rend8621
-logic.rend8621:
-  br label %logic.end8618
-logic.end8618:
-  %t37 = phi i1 [ false, %logic.from8616 ], [ %t36, %logic.rend8621 ]
-  br i1 %t37, label %then8622, label %endif8624
-then8622:
+inrange9102:
+  %t35 = extractvalue { ptr, i64, i64 } %t32, 0
+  %t36 = getelementptr inbounds i8, ptr %t35, i64 0
+  %t37 = load i8, ptr %t36
+  %t38 = icmp eq i8 %t37, 48
+  br label %logic.rend9103
+logic.rend9103:
+  br label %logic.end9100
+logic.end9100:
+  %t39 = phi i1 [ false, %logic.from9098 ], [ %t38, %logic.rend9103 ]
+  br i1 %t39, label %then9104, label %endif9106
+then9104:
   store i64 8, ptr %a7
-  %t38 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t38, ptr %a39
-  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t42 = load i64, ptr %t41
-  call void @finch_str_sub(ptr %a40, ptr %a39, i64 1, i64 %t42, ptr @.str.6095, i64 330)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a6
-  br label %endif8624
-endif8624:
-  br label %endif8615
-endif8615:
-  store i64 0, ptr %a44
-  store i1 false, ptr %a45
-  store i64 0, ptr %a46
-  br label %while.cond8625
-while.cond8625:
-  %t47 = load i64, ptr %a46
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t49 = load i64, ptr %t48
-  %t50 = icmp slt i64 %t47, %t49
-  br i1 %t50, label %while.body8626, label %while.end8627
-while.body8626:
-  %t51 = load i64, ptr %a46
-  %t52 = load { ptr, i64, i64 }, ptr %a6
-  %t53 = extractvalue { ptr, i64, i64 } %t52, 1
-  %t54 = icmp uge i64 %t51, %t53
-  br i1 %t54, label %range8628, label %inrange8629
-range8628:
-  call void @finch_panic_index(ptr @.str.6096, i64 336, i64 %t51, i64 %t53)
+  %t40 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t40, ptr %a41
+  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t44 = load i64, ptr %t43
+  call void @finch_str_sub(ptr %a42, ptr %a41, i64 1, i64 %t44, ptr @.str.6314, i64 334)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  %t46 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t45, ptr %a6
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %endif9106
+endif9106:
+  br label %endif9097
+endif9097:
+  store i64 0, ptr %a48
+  store i1 false, ptr %a49
+  store i64 0, ptr %a50
+  br label %while.cond9107
+while.cond9107:
+  %t51 = load i64, ptr %a50
+  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t53 = load i64, ptr %t52
+  %t54 = icmp slt i64 %t51, %t53
+  br i1 %t54, label %while.body9108, label %while.end9109
+while.body9108:
+  %t55 = load i64, ptr %a50
+  %t56 = load { ptr, i64, i64 }, ptr %a6
+  %t57 = extractvalue { ptr, i64, i64 } %t56, 1
+  %t58 = icmp uge i64 %t55, %t57
+  br i1 %t58, label %range9110, label %inrange9111
+range9110:
+  call void @finch_panic_index(ptr @.str.6315, i64 340, i64 %t55, i64 %t57)
   unreachable
-inrange8629:
-  %t55 = extractvalue { ptr, i64, i64 } %t52, 0
-  %t56 = getelementptr inbounds i8, ptr %t55, i64 %t51
-  %t57 = load i8, ptr %t56
-  store i8 %t57, ptr %a58
-  store i64 99, ptr %a59
-  %t60 = load i8, ptr %a58
-  %t61 = icmp uge i8 %t60, 48
-  br label %logic.from8630
-logic.from8630:
-  br i1 %t61, label %logic.rhs8631, label %logic.end8632
-logic.rhs8631:
-  %t62 = load i8, ptr %a58
-  %t63 = icmp ule i8 %t62, 57
-  br label %logic.rend8633
-logic.rend8633:
-  br label %logic.end8632
-logic.end8632:
-  %t64 = phi i1 [ false, %logic.from8630 ], [ %t63, %logic.rend8633 ]
-  br i1 %t64, label %then8634, label %else8635
-then8634:
-  %t65 = load i8, ptr %a58
-  %t66 = zext i8 %t65 to i64
-  %t67 = zext i8 48 to i64
-  %t68 = sub i64 %t66, %t67
-  store i64 %t68, ptr %a59
-  br label %endif8636
-else8635:
-  %t69 = load i8, ptr %a58
-  %t70 = icmp uge i8 %t69, 97
-  br label %logic.from8637
-logic.from8637:
-  br i1 %t70, label %logic.rhs8638, label %logic.end8639
-logic.rhs8638:
-  %t71 = load i8, ptr %a58
-  %t72 = icmp ule i8 %t71, 102
-  br label %logic.rend8640
-logic.rend8640:
-  br label %logic.end8639
-logic.end8639:
-  %t73 = phi i1 [ false, %logic.from8637 ], [ %t72, %logic.rend8640 ]
-  br i1 %t73, label %then8641, label %else8642
-then8641:
-  %t74 = load i8, ptr %a58
-  %t75 = zext i8 %t74 to i64
-  %t76 = zext i8 97 to i64
-  %t77 = sub i64 %t75, %t76
-  %t78 = add i64 %t77, 10
-  store i64 %t78, ptr %a59
-  br label %endif8643
-else8642:
-  %t79 = load i8, ptr %a58
-  %t80 = icmp uge i8 %t79, 65
-  br label %logic.from8644
-logic.from8644:
-  br i1 %t80, label %logic.rhs8645, label %logic.end8646
-logic.rhs8645:
-  %t81 = load i8, ptr %a58
-  %t82 = icmp ule i8 %t81, 70
-  br label %logic.rend8647
-logic.rend8647:
-  br label %logic.end8646
-logic.end8646:
-  %t83 = phi i1 [ false, %logic.from8644 ], [ %t82, %logic.rend8647 ]
-  br i1 %t83, label %then8648, label %endif8650
-then8648:
-  %t84 = load i8, ptr %a58
-  %t85 = zext i8 %t84 to i64
-  %t86 = zext i8 65 to i64
-  %t87 = sub i64 %t85, %t86
-  %t88 = add i64 %t87, 10
-  store i64 %t88, ptr %a59
-  br label %endif8650
-endif8650:
-  br label %endif8643
-endif8643:
-  br label %endif8636
-endif8636:
-  %t89 = load i64, ptr %a59
-  %t90 = load i64, ptr %a7
-  %t91 = icmp sge i64 %t89, %t90
-  br i1 %t91, label %then8651, label %endif8653
-then8651:
-  br label %while.end8627
-endif8653:
-  %t92 = load i64, ptr %a44
-  %t93 = load i64, ptr %a7
-  %t94 = mul i64 %t92, %t93
-  %t95 = load i64, ptr %a59
-  %t96 = add i64 %t94, %t95
-  store i64 %t96, ptr %a44
-  store i1 true, ptr %a45
-  %t97 = load i64, ptr %a46
-  %t98 = add i64 %t97, 1
-  store i64 %t98, ptr %a46
-  br label %while.cond8625
-while.end8627:
-  br label %while.cond8654
-while.cond8654:
-  %t99 = load i64, ptr %a46
-  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t101 = load i64, ptr %t100
-  %t102 = icmp slt i64 %t99, %t101
-  br i1 %t102, label %while.body8655, label %while.end8656
-while.body8655:
-  store { ptr, i64, i64 } { ptr @.str.6097, i64 4, i64 0 }, ptr %a103
-  %t105 = load i64, ptr %a46
-  %t106 = load { ptr, i64, i64 }, ptr %a6
-  %t107 = extractvalue { ptr, i64, i64 } %t106, 1
-  %t108 = icmp uge i64 %t105, %t107
-  br i1 %t108, label %range8657, label %inrange8658
-range8657:
-  call void @finch_panic_index(ptr @.str.6099, i64 354, i64 %t105, i64 %t107)
+inrange9111:
+  %t59 = extractvalue { ptr, i64, i64 } %t56, 0
+  %t60 = getelementptr inbounds i8, ptr %t59, i64 %t55
+  %t61 = load i8, ptr %t60
+  store i8 %t61, ptr %a62
+  store i64 99, ptr %a63
+  %t64 = load i8, ptr %a62
+  %t65 = icmp uge i8 %t64, 48
+  br label %logic.from9112
+logic.from9112:
+  br i1 %t65, label %logic.rhs9113, label %logic.end9114
+logic.rhs9113:
+  %t66 = load i8, ptr %a62
+  %t67 = icmp ule i8 %t66, 57
+  br label %logic.rend9115
+logic.rend9115:
+  br label %logic.end9114
+logic.end9114:
+  %t68 = phi i1 [ false, %logic.from9112 ], [ %t67, %logic.rend9115 ]
+  br i1 %t68, label %then9116, label %else9117
+then9116:
+  %t69 = load i8, ptr %a62
+  %t70 = zext i8 %t69 to i64
+  %t71 = zext i8 48 to i64
+  %t72 = sub i64 %t70, %t71
+  store i64 %t72, ptr %a63
+  br label %endif9118
+else9117:
+  %t73 = load i8, ptr %a62
+  %t74 = icmp uge i8 %t73, 97
+  br label %logic.from9119
+logic.from9119:
+  br i1 %t74, label %logic.rhs9120, label %logic.end9121
+logic.rhs9120:
+  %t75 = load i8, ptr %a62
+  %t76 = icmp ule i8 %t75, 102
+  br label %logic.rend9122
+logic.rend9122:
+  br label %logic.end9121
+logic.end9121:
+  %t77 = phi i1 [ false, %logic.from9119 ], [ %t76, %logic.rend9122 ]
+  br i1 %t77, label %then9123, label %else9124
+then9123:
+  %t78 = load i8, ptr %a62
+  %t79 = zext i8 %t78 to i64
+  %t80 = zext i8 97 to i64
+  %t81 = sub i64 %t79, %t80
+  %t82 = add i64 %t81, 10
+  store i64 %t82, ptr %a63
+  br label %endif9125
+else9124:
+  %t83 = load i8, ptr %a62
+  %t84 = icmp uge i8 %t83, 65
+  br label %logic.from9126
+logic.from9126:
+  br i1 %t84, label %logic.rhs9127, label %logic.end9128
+logic.rhs9127:
+  %t85 = load i8, ptr %a62
+  %t86 = icmp ule i8 %t85, 70
+  br label %logic.rend9129
+logic.rend9129:
+  br label %logic.end9128
+logic.end9128:
+  %t87 = phi i1 [ false, %logic.from9126 ], [ %t86, %logic.rend9129 ]
+  br i1 %t87, label %then9130, label %endif9132
+then9130:
+  %t88 = load i8, ptr %a62
+  %t89 = zext i8 %t88 to i64
+  %t90 = zext i8 65 to i64
+  %t91 = sub i64 %t89, %t90
+  %t92 = add i64 %t91, 10
+  store i64 %t92, ptr %a63
+  br label %endif9132
+endif9132:
+  br label %endif9125
+endif9125:
+  br label %endif9118
+endif9118:
+  %t93 = load i64, ptr %a63
+  %t94 = load i64, ptr %a7
+  %t95 = icmp sge i64 %t93, %t94
+  br i1 %t95, label %then9133, label %endif9135
+then9133:
+  br label %while.end9109
+endif9135:
+  %t96 = load i64, ptr %a48
+  %t97 = load i64, ptr %a7
+  %t98 = mul i64 %t96, %t97
+  %t99 = load i64, ptr %a63
+  %t100 = add i64 %t98, %t99
+  store i64 %t100, ptr %a48
+  store i1 true, ptr %a49
+  %t101 = load i64, ptr %a50
+  %t102 = add i64 %t101, 1
+  store i64 %t102, ptr %a50
+  br label %while.cond9107
+while.end9109:
+  br label %while.cond9136
+while.cond9136:
+  %t103 = load i64, ptr %a50
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t105 = load i64, ptr %t104
+  %t106 = icmp slt i64 %t103, %t105
+  br i1 %t106, label %while.body9137, label %while.end9138
+while.body9137:
+  store { ptr, i64, i64 } { ptr @.str.6316, i64 4, i64 0 }, ptr %a107
+  %t109 = load i64, ptr %a50
+  %t110 = load { ptr, i64, i64 }, ptr %a6
+  %t111 = extractvalue { ptr, i64, i64 } %t110, 1
+  %t112 = icmp uge i64 %t109, %t111
+  br i1 %t112, label %range9139, label %inrange9140
+range9139:
+  call void @finch_panic_index(ptr @.str.6318, i64 358, i64 %t109, i64 %t111)
   unreachable
-inrange8658:
-  %t109 = extractvalue { ptr, i64, i64 } %t106, 0
-  %t110 = getelementptr inbounds i8, ptr %t109, i64 %t105
-  %t111 = load i8, ptr %t110
-  call void @finch_str_from_char(ptr %a112, i8 signext %t111)
-  %t113 = load { ptr, i64, i64 }, ptr %a112
-  store { ptr, i64, i64 } %t113, ptr %a114
-  %t115 = call i64 @finch_str_find(ptr %a103, ptr %a114)
-  %t116 = icmp sge i64 %t115, 0
-  %t117 = xor i1 %t116, true
-  br i1 %t117, label %then8659, label %endif8661
-then8659:
+inrange9140:
+  %t113 = extractvalue { ptr, i64, i64 } %t110, 0
+  %t114 = getelementptr inbounds i8, ptr %t113, i64 %t109
+  %t115 = load i8, ptr %t114
+  call void @finch_str_from_char(ptr %a116, i8 signext %t115)
+  %t117 = load { ptr, i64, i64 }, ptr %a116
+  store { ptr, i64, i64 } %t117, ptr %a118
+  %t119 = call i64 @finch_str_find(ptr %a107, ptr %a118)
+  %t120 = icmp sge i64 %t119, 0
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = xor i1 %t120, true
+  br i1 %t122, label %then9141, label %endif9143
+then9141:
+  call void @finch_str_drop(ptr %a6)
   ret %S.cimport.Number zeroinitializer
-endif8661:
-  %t118 = load i64, ptr %a46
-  %t119 = add i64 %t118, 1
-  store i64 %t119, ptr %a46
-  br label %while.cond8654
-while.end8656:
-  %t120 = load i1, ptr %a45
-  %t121 = xor i1 %t120, true
-  br label %logic.from8662
-logic.from8662:
-  br i1 %t121, label %logic.rhs8663, label %logic.end8664
-logic.rhs8663:
-  %t122 = load i64, ptr %a7
-  %t123 = icmp ne i64 %t122, 8
-  br label %logic.rend8665
-logic.rend8665:
-  br label %logic.end8664
-logic.end8664:
-  %t124 = phi i1 [ false, %logic.from8662 ], [ %t123, %logic.rend8665 ]
-  br i1 %t124, label %then8666, label %endif8668
-then8666:
+endif9143:
+  %t123 = load i64, ptr %a50
+  %t124 = add i64 %t123, 1
+  store i64 %t124, ptr %a50
+  br label %while.cond9136
+while.end9138:
+  %t125 = load i1, ptr %a49
+  %t126 = xor i1 %t125, true
+  br label %logic.from9144
+logic.from9144:
+  br i1 %t126, label %logic.rhs9145, label %logic.end9146
+logic.rhs9145:
+  %t127 = load i64, ptr %a7
+  %t128 = icmp ne i64 %t127, 8
+  br label %logic.rend9147
+logic.rend9147:
+  br label %logic.end9146
+logic.end9146:
+  %t129 = phi i1 [ false, %logic.from9144 ], [ %t128, %logic.rend9147 ]
+  br i1 %t129, label %then9148, label %endif9150
+then9148:
+  call void @finch_str_drop(ptr %a6)
   ret %S.cimport.Number zeroinitializer
-endif8668:
-  %t125 = load i64, ptr %a44
-  %t126 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t125, 1
-  %t127 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t126, 0
-  %t128 = insertvalue %S.cimport.Number %t127, i1 true, 1
-  ret %S.cimport.Number %t128
-}
-
-define internal void @finch.copy.S_cimport_Number(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.cimport.Number, ptr %src
-  store %S.cimport.Number %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.cimport.Number, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.cimport.Number, ptr %src, i32 0, i32 0
-  call void @finch.copy.S_cimport_CConst(ptr %t2, ptr %t3)
-  ret void
+endif9150:
+  %t130 = load i64, ptr %a48
+  %t131 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t130, 1
+  %t132 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t131, 0
+  %t133 = insertvalue %S.cimport.Number %t132, i1 true, 1
+  call void @finch_str_drop(ptr %a6)
+  ret %S.cimport.Number %t133
 }
 
 define internal %S.cimport.Number @finch.cimport.macroValue(ptr %p0, %S.C.CXCursor %p1) {
@@ -79283,55 +95347,58 @@ entry:
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
   %a77 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca i1, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca i1, align 16
+  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a184 = alloca i1, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca i1, align 16
   %a190 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca double, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a226 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca double, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a243 = alloca %S.cimport.Number, align 16
-  %a255 = alloca %S.cimport.Number, align 16
-  %a256 = alloca %S.cimport.Number, align 16
+  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca double, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca double, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca %S.cimport.Number, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXCursor %p1, ptr %a2
   store ptr null, ptr %a3
   store i32 0, ptr %a4
   %t5 = load ptr, ptr %a1
   %t6 = icmp eq ptr %t5, null
-  br i1 %t6, label %panic8669, label %ok8670
-panic8669:
-  call void @finch_panic(ptr @.str.6100, i64 369, ptr @.str.6101)
+  br i1 %t6, label %panic9151, label %ok9152
+panic9151:
+  call void @finch_panic(ptr @.str.6319, i64 373, ptr @.str.6320)
   unreachable
-ok8670:
+ok9152:
   %t7 = getelementptr inbounds %S.cimport.Importer, ptr %t5, i32 0, i32 1
   %t8 = load ptr, ptr %t7
   %t10 = load %S.C.CXCursor, ptr %a2
@@ -79344,12 +95411,12 @@ ok8670:
   %t15 = load i32, ptr %a4
   %t16 = zext i32 %t15 to i64
   store i64 1, ptr %a17
-  br label %for.cond8671
-for.cond8671:
+  br label %for.cond9153
+for.cond9153:
   %t18 = load i64, ptr %a17
   %t19 = icmp slt i64 %t18, %t16
-  br i1 %t19, label %for.body8672, label %for.end8674
-for.body8672:
+  br i1 %t19, label %for.body9154, label %for.end9156
+for.body9154:
   %t20 = load i64, ptr %a17
   %t21 = load ptr, ptr %a3
   %t22 = getelementptr inbounds %S.C.CXToken, ptr %t21, i64 %t20
@@ -79357,18 +95424,18 @@ for.body8672:
   store %S.C.CXToken %t23, ptr %a24
   %t25 = call i32 @clang_getTokenKind(ptr byval(%S.C.CXToken) align 8 %a24)
   %t26 = icmp eq i32 %t25, 4
-  br i1 %t26, label %then8675, label %endif8677
-then8675:
-  br label %for.step8673
-endif8677:
+  br i1 %t26, label %then9157, label %endif9159
+then9157:
+  br label %for.step9155
+endif9159:
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic8678, label %ok8679
-panic8678:
-  call void @finch_panic(ptr @.str.6102, i64 375, ptr @.str.6103)
+  br i1 %t29, label %panic9160, label %ok9161
+panic9160:
+  call void @finch_panic(ptr @.str.6321, i64 379, ptr @.str.6322)
   unreachable
-ok8679:
+ok9161:
   %t30 = getelementptr inbounds %S.cimport.Importer, ptr %t28, i32 0, i32 1
   %t31 = load ptr, ptr %t30
   %t32 = load i64, ptr %a17
@@ -79387,416 +95454,436 @@ ok8679:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
   store { ptr, i64, i64 } %t40, ptr %t44
   store i64 %t42, ptr %t27
-  br label %for.step8673
-for.step8673:
+  br label %for.step9155
+for.step9155:
   %t45 = load i64, ptr %a17
   %t46 = add i64 %t45, 1
   store i64 %t46, ptr %a17
-  br label %for.cond8671
-for.end8674:
+  br label %for.cond9153
+for.end9156:
   %t47 = load ptr, ptr %a1
   %t48 = icmp eq ptr %t47, null
-  br i1 %t48, label %panic8680, label %ok8681
-panic8680:
-  call void @finch_panic(ptr @.str.6104, i64 377, ptr @.str.6105)
+  br i1 %t48, label %panic9162, label %ok9163
+panic9162:
+  call void @finch_panic(ptr @.str.6323, i64 381, ptr @.str.6324)
   unreachable
-ok8681:
+ok9163:
   %t49 = getelementptr inbounds %S.cimport.Importer, ptr %t47, i32 0, i32 1
   %t50 = load ptr, ptr %t49
   %t51 = load ptr, ptr %a3
   %t52 = load i32, ptr %a4
   call void @clang_disposeTokens(ptr %t50, ptr %t51, i32 %t52)
-  br label %while.cond8682
-while.cond8682:
+  br label %while.cond9164
+while.cond9164:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t54 = load i64, ptr %t53
   %t55 = icmp sge i64 %t54, 2
-  br label %logic.from8685
-logic.from8685:
-  br i1 %t55, label %logic.rhs8686, label %logic.end8687
-logic.rhs8686:
+  br label %logic.from9167
+logic.from9167:
+  br i1 %t55, label %logic.rhs9168, label %logic.end9169
+logic.rhs9168:
   %t56 = load { ptr, i64, i64 }, ptr %a14
   %t57 = extractvalue { ptr, i64, i64 } %t56, 1
   %t58 = icmp uge i64 0, %t57
-  br i1 %t58, label %range8688, label %inrange8689
-range8688:
-  call void @finch_panic_index(ptr @.str.6106, i64 379, i64 0, i64 %t57)
+  br i1 %t58, label %range9170, label %inrange9171
+range9170:
+  call void @finch_panic_index(ptr @.str.6325, i64 383, i64 0, i64 %t57)
   unreachable
-inrange8689:
+inrange9171:
   %t59 = extractvalue { ptr, i64, i64 } %t56, 0
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i64 0
   %t61 = load { ptr, i64, i64 }, ptr %t60
   store { ptr, i64, i64 } %t61, ptr %a62
-  store { ptr, i64, i64 } { ptr @.str.6107, i64 1, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.6326, i64 1, i64 0 }, ptr %a63
   %t64 = call i32 @finch_str_eq(ptr %a62, ptr %a63)
   %t65 = icmp ne i32 %t64, 0
-  br label %logic.rend8690
-logic.rend8690:
-  br label %logic.end8687
-logic.end8687:
-  %t66 = phi i1 [ false, %logic.from8685 ], [ %t65, %logic.rend8690 ]
-  br label %logic.from8691
-logic.from8691:
-  br i1 %t66, label %logic.rhs8692, label %logic.end8693
-logic.rhs8692:
+  br label %logic.rend9172
+logic.rend9172:
+  br label %logic.end9169
+logic.end9169:
+  %t66 = phi i1 [ false, %logic.from9167 ], [ %t65, %logic.rend9172 ]
+  br label %logic.from9173
+logic.from9173:
+  br i1 %t66, label %logic.rhs9174, label %logic.end9175
+logic.rhs9174:
   %t67 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t68 = load i64, ptr %t67
   %t69 = sub i64 %t68, 1
   %t70 = load { ptr, i64, i64 }, ptr %a14
   %t71 = extractvalue { ptr, i64, i64 } %t70, 1
   %t72 = icmp uge i64 %t69, %t71
-  br i1 %t72, label %range8694, label %inrange8695
-range8694:
-  call void @finch_panic_index(ptr @.str.6108, i64 379, i64 %t69, i64 %t71)
+  br i1 %t72, label %range9176, label %inrange9177
+range9176:
+  call void @finch_panic_index(ptr @.str.6327, i64 383, i64 %t69, i64 %t71)
   unreachable
-inrange8695:
+inrange9177:
   %t73 = extractvalue { ptr, i64, i64 } %t70, 0
   %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i64 %t69
   %t75 = load { ptr, i64, i64 }, ptr %t74
   store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.6109, i64 1, i64 0 }, ptr %a77
+  store { ptr, i64, i64 } { ptr @.str.6328, i64 1, i64 0 }, ptr %a77
   %t78 = call i32 @finch_str_eq(ptr %a76, ptr %a77)
   %t79 = icmp ne i32 %t78, 0
-  br label %logic.rend8696
-logic.rend8696:
-  br label %logic.end8693
-logic.end8693:
-  %t80 = phi i1 [ false, %logic.from8691 ], [ %t79, %logic.rend8696 ]
-  br i1 %t80, label %while.body8683, label %while.end8684
-while.body8683:
+  br label %logic.rend9178
+logic.rend9178:
+  br label %logic.end9175
+logic.end9175:
+  %t80 = phi i1 [ false, %logic.from9173 ], [ %t79, %logic.rend9178 ]
+  br i1 %t80, label %while.body9165, label %while.end9166
+while.body9165:
   %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
   %t82 = load i64, ptr %t81
   %t83 = icmp uge i64 0, %t82
-  br i1 %t83, label %range8697, label %inrange8698
-range8697:
-  call void @finch_panic_index(ptr @.str.6110, i64 380, i64 0, i64 %t82)
+  br i1 %t83, label %range9179, label %inrange9180
+range9179:
+  call void @finch_panic_index(ptr @.str.6329, i64 384, i64 0, i64 %t82)
   unreachable
-inrange8698:
+inrange9180:
   %t84 = load ptr, ptr %a14
   %t85 = getelementptr inbounds { ptr, i64, i64 }, ptr %t84, i64 0
   %t86 = load { ptr, i64, i64 }, ptr %t85
   call void @finch_arr_remove_gap(ptr %a14, i64 0, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t88 = load i64, ptr %t87
-  %t89 = icmp eq i64 %t88, 0
-  br i1 %t89, label %panic8699, label %ok8700
-panic8699:
-  call void @finch_panic(ptr @.str.6111, i64 381, ptr @.str.6112)
+  store { ptr, i64, i64 } %t86, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t89 = load i64, ptr %t88
+  %t90 = icmp eq i64 %t89, 0
+  br i1 %t90, label %panic9181, label %ok9182
+panic9181:
+  call void @finch_panic(ptr @.str.6330, i64 385, ptr @.str.6331)
   unreachable
-ok8700:
-  %t90 = sub i64 %t88, 1
-  %t91 = load ptr, ptr %a14
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %t91, i64 %t90
-  %t93 = load { ptr, i64, i64 }, ptr %t92
-  store i64 %t90, ptr %t87
-  br label %while.cond8682
-while.end8684:
-  store i1 false, ptr %a94
-  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t96 = load i64, ptr %t95
-  %t97 = icmp eq i64 %t96, 2
-  br label %logic.from8701
-logic.from8701:
-  br i1 %t97, label %logic.rhs8702, label %logic.end8703
-logic.rhs8702:
-  %t98 = load { ptr, i64, i64 }, ptr %a14
-  %t99 = extractvalue { ptr, i64, i64 } %t98, 1
-  %t100 = icmp uge i64 0, %t99
-  br i1 %t100, label %range8704, label %inrange8705
-range8704:
-  call void @finch_panic_index(ptr @.str.6113, i64 384, i64 0, i64 %t99)
+ok9182:
+  %t91 = sub i64 %t89, 1
+  %t92 = load ptr, ptr %a14
+  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t92, i64 %t91
+  %t94 = load { ptr, i64, i64 }, ptr %t93
+  store i64 %t91, ptr %t88
+  store { ptr, i64, i64 } %t94, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  br label %while.cond9164
+while.end9166:
+  store i1 false, ptr %a96
+  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t98 = load i64, ptr %t97
+  %t99 = icmp eq i64 %t98, 2
+  br label %logic.from9183
+logic.from9183:
+  br i1 %t99, label %logic.rhs9184, label %logic.end9185
+logic.rhs9184:
+  %t100 = load { ptr, i64, i64 }, ptr %a14
+  %t101 = extractvalue { ptr, i64, i64 } %t100, 1
+  %t102 = icmp uge i64 0, %t101
+  br i1 %t102, label %range9186, label %inrange9187
+range9186:
+  call void @finch_panic_index(ptr @.str.6332, i64 388, i64 0, i64 %t101)
   unreachable
-inrange8705:
-  %t101 = extractvalue { ptr, i64, i64 } %t98, 0
-  %t102 = getelementptr inbounds { ptr, i64, i64 }, ptr %t101, i64 0
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  store { ptr, i64, i64 } %t103, ptr %a104
-  store { ptr, i64, i64 } { ptr @.str.6114, i64 1, i64 0 }, ptr %a105
-  %t106 = call i32 @finch_str_eq(ptr %a104, ptr %a105)
-  %t107 = icmp ne i32 %t106, 0
-  br label %logic.rend8706
-logic.rend8706:
-  br label %logic.end8703
-logic.end8703:
-  %t108 = phi i1 [ false, %logic.from8701 ], [ %t107, %logic.rend8706 ]
-  br i1 %t108, label %then8707, label %endif8709
-then8707:
-  store i1 true, ptr %a94
-  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t110 = load i64, ptr %t109
-  %t111 = icmp uge i64 0, %t110
-  br i1 %t111, label %range8710, label %inrange8711
-range8710:
-  call void @finch_panic_index(ptr @.str.6115, i64 386, i64 0, i64 %t110)
+inrange9187:
+  %t103 = extractvalue { ptr, i64, i64 } %t100, 0
+  %t104 = getelementptr inbounds { ptr, i64, i64 }, ptr %t103, i64 0
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  store { ptr, i64, i64 } %t105, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.6333, i64 1, i64 0 }, ptr %a107
+  %t108 = call i32 @finch_str_eq(ptr %a106, ptr %a107)
+  %t109 = icmp ne i32 %t108, 0
+  br label %logic.rend9188
+logic.rend9188:
+  br label %logic.end9185
+logic.end9185:
+  %t110 = phi i1 [ false, %logic.from9183 ], [ %t109, %logic.rend9188 ]
+  br i1 %t110, label %then9189, label %endif9191
+then9189:
+  store i1 true, ptr %a96
+  %t111 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t112 = load i64, ptr %t111
+  %t113 = icmp uge i64 0, %t112
+  br i1 %t113, label %range9192, label %inrange9193
+range9192:
+  call void @finch_panic_index(ptr @.str.6334, i64 390, i64 0, i64 %t112)
   unreachable
-inrange8711:
-  %t112 = load ptr, ptr %a14
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 0
-  %t114 = load { ptr, i64, i64 }, ptr %t113
+inrange9193:
+  %t114 = load ptr, ptr %a14
+  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i64 0
+  %t116 = load { ptr, i64, i64 }, ptr %t115
   call void @finch_arr_remove_gap(ptr %a14, i64 0, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  br label %endif8709
-endif8709:
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
-  %t116 = load i64, ptr %t115
-  %t117 = icmp ne i64 %t116, 1
-  br i1 %t117, label %then8712, label %endif8714
-then8712:
+  store { ptr, i64, i64 } %t116, ptr %a117
+  call void @finch_str_drop(ptr %a117)
+  br label %endif9191
+endif9191:
+  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %a14, i32 0, i32 1
+  %t119 = load i64, ptr %t118
+  %t120 = icmp ne i64 %t119, 1
+  br i1 %t120, label %then9194, label %endif9196
+then9194:
+  call void @finch.drop.arr_str(ptr %a14)
   ret %S.cimport.Number zeroinitializer
-endif8714:
-  %t118 = load { ptr, i64, i64 }, ptr %a14
-  %t119 = extractvalue { ptr, i64, i64 } %t118, 1
-  %t120 = icmp uge i64 0, %t119
-  br i1 %t120, label %range8715, label %inrange8716
-range8715:
-  call void @finch_panic_index(ptr @.str.6116, i64 391, i64 0, i64 %t119)
+endif9196:
+  %t121 = load { ptr, i64, i64 }, ptr %a14
+  %t122 = extractvalue { ptr, i64, i64 } %t121, 1
+  %t123 = icmp uge i64 0, %t122
+  br i1 %t123, label %range9197, label %inrange9198
+range9197:
+  call void @finch_panic_index(ptr @.str.6335, i64 395, i64 0, i64 %t122)
   unreachable
-inrange8716:
-  %t121 = extractvalue { ptr, i64, i64 } %t118, 0
-  %t122 = getelementptr inbounds { ptr, i64, i64 }, ptr %t121, i64 0
-  %t123 = load { ptr, i64, i64 }, ptr %t122
-  store { ptr, i64, i64 } %t123, ptr %a124
-  call void @finch_str_copy(ptr %a125, ptr %a124)
-  %t126 = load { ptr, i64, i64 }, ptr %a125
+inrange9198:
+  %t124 = extractvalue { ptr, i64, i64 } %t121, 0
+  %t125 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i64 0
+  %t126 = load { ptr, i64, i64 }, ptr %t125
   store { ptr, i64, i64 } %t126, ptr %a127
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %a127, i32 0, i32 1
-  %t129 = load i64, ptr %t128
-  %t130 = icmp eq i64 %t129, 0
-  br label %logic.from8717
-logic.from8717:
-  br i1 %t130, label %logic.end8719, label %logic.rhs8718
-logic.rhs8718:
-  %t131 = load { ptr, i64, i64 }, ptr %a127
-  %t132 = extractvalue { ptr, i64, i64 } %t131, 1
-  %t133 = icmp uge i64 0, %t132
-  br i1 %t133, label %range8720, label %inrange8721
-range8720:
-  call void @finch_panic_index(ptr @.str.6117, i64 392, i64 0, i64 %t132)
+  call void @finch_str_copy(ptr %a128, ptr %a127)
+  %t129 = load { ptr, i64, i64 }, ptr %a128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %a130, i32 0, i32 1
+  %t132 = load i64, ptr %t131
+  %t133 = icmp eq i64 %t132, 0
+  br label %logic.from9199
+logic.from9199:
+  br i1 %t133, label %logic.end9201, label %logic.rhs9200
+logic.rhs9200:
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  %t135 = extractvalue { ptr, i64, i64 } %t134, 1
+  %t136 = icmp uge i64 0, %t135
+  br i1 %t136, label %range9202, label %inrange9203
+range9202:
+  call void @finch_panic_index(ptr @.str.6336, i64 396, i64 0, i64 %t135)
   unreachable
-inrange8721:
-  %t134 = extractvalue { ptr, i64, i64 } %t131, 0
-  %t135 = getelementptr inbounds i8, ptr %t134, i64 0
-  %t136 = load i8, ptr %t135
-  %t137 = icmp uge i8 %t136, 48
-  br label %logic.from8722
-logic.from8722:
-  br i1 %t137, label %logic.rhs8723, label %logic.end8724
-logic.rhs8723:
-  %t138 = load { ptr, i64, i64 }, ptr %a127
-  %t139 = extractvalue { ptr, i64, i64 } %t138, 1
-  %t140 = icmp uge i64 0, %t139
-  br i1 %t140, label %range8725, label %inrange8726
-range8725:
-  call void @finch_panic_index(ptr @.str.6118, i64 392, i64 0, i64 %t139)
+inrange9203:
+  %t137 = extractvalue { ptr, i64, i64 } %t134, 0
+  %t138 = getelementptr inbounds i8, ptr %t137, i64 0
+  %t139 = load i8, ptr %t138
+  %t140 = icmp uge i8 %t139, 48
+  br label %logic.from9204
+logic.from9204:
+  br i1 %t140, label %logic.rhs9205, label %logic.end9206
+logic.rhs9205:
+  %t141 = load { ptr, i64, i64 }, ptr %a130
+  %t142 = extractvalue { ptr, i64, i64 } %t141, 1
+  %t143 = icmp uge i64 0, %t142
+  br i1 %t143, label %range9207, label %inrange9208
+range9207:
+  call void @finch_panic_index(ptr @.str.6337, i64 396, i64 0, i64 %t142)
   unreachable
-inrange8726:
-  %t141 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t142 = getelementptr inbounds i8, ptr %t141, i64 0
-  %t143 = load i8, ptr %t142
-  %t144 = icmp ule i8 %t143, 57
-  br label %logic.rend8727
-logic.rend8727:
-  br label %logic.end8724
-logic.end8724:
-  %t145 = phi i1 [ false, %logic.from8722 ], [ %t144, %logic.rend8727 ]
-  br label %logic.from8728
-logic.from8728:
-  br i1 %t145, label %logic.end8730, label %logic.rhs8729
-logic.rhs8729:
-  %t146 = load { ptr, i64, i64 }, ptr %a127
-  %t147 = extractvalue { ptr, i64, i64 } %t146, 1
-  %t148 = icmp uge i64 0, %t147
-  br i1 %t148, label %range8731, label %inrange8732
-range8731:
-  call void @finch_panic_index(ptr @.str.6119, i64 392, i64 0, i64 %t147)
+inrange9208:
+  %t144 = extractvalue { ptr, i64, i64 } %t141, 0
+  %t145 = getelementptr inbounds i8, ptr %t144, i64 0
+  %t146 = load i8, ptr %t145
+  %t147 = icmp ule i8 %t146, 57
+  br label %logic.rend9209
+logic.rend9209:
+  br label %logic.end9206
+logic.end9206:
+  %t148 = phi i1 [ false, %logic.from9204 ], [ %t147, %logic.rend9209 ]
+  br label %logic.from9210
+logic.from9210:
+  br i1 %t148, label %logic.end9212, label %logic.rhs9211
+logic.rhs9211:
+  %t149 = load { ptr, i64, i64 }, ptr %a130
+  %t150 = extractvalue { ptr, i64, i64 } %t149, 1
+  %t151 = icmp uge i64 0, %t150
+  br i1 %t151, label %range9213, label %inrange9214
+range9213:
+  call void @finch_panic_index(ptr @.str.6338, i64 396, i64 0, i64 %t150)
   unreachable
-inrange8732:
-  %t149 = extractvalue { ptr, i64, i64 } %t146, 0
-  %t150 = getelementptr inbounds i8, ptr %t149, i64 0
-  %t151 = load i8, ptr %t150
-  %t152 = icmp eq i8 %t151, 46
-  br label %logic.rend8733
-logic.rend8733:
-  br label %logic.end8730
-logic.end8730:
-  %t153 = phi i1 [ true, %logic.from8728 ], [ %t152, %logic.rend8733 ]
-  %t154 = xor i1 %t153, true
-  br label %logic.rend8734
-logic.rend8734:
-  br label %logic.end8719
-logic.end8719:
-  %t155 = phi i1 [ true, %logic.from8717 ], [ %t154, %logic.rend8734 ]
-  br i1 %t155, label %then8735, label %endif8737
-then8735:
+inrange9214:
+  %t152 = extractvalue { ptr, i64, i64 } %t149, 0
+  %t153 = getelementptr inbounds i8, ptr %t152, i64 0
+  %t154 = load i8, ptr %t153
+  %t155 = icmp eq i8 %t154, 46
+  br label %logic.rend9215
+logic.rend9215:
+  br label %logic.end9212
+logic.end9212:
+  %t156 = phi i1 [ true, %logic.from9210 ], [ %t155, %logic.rend9215 ]
+  %t157 = xor i1 %t156, true
+  br label %logic.rend9216
+logic.rend9216:
+  br label %logic.end9201
+logic.end9201:
+  %t158 = phi i1 [ true, %logic.from9199 ], [ %t157, %logic.rend9216 ]
+  br i1 %t158, label %then9217, label %endif9219
+then9217:
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
   ret %S.cimport.Number zeroinitializer
-endif8737:
-  %t156 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t156, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.6121, i64 1, i64 0 }, ptr %a159
-  %t160 = call i64 @finch_str_find(ptr %a157, ptr %a159)
-  %t161 = icmp sge i64 %t160, 0
-  br label %logic.from8738
-logic.from8738:
-  br i1 %t161, label %logic.end8740, label %logic.rhs8739
-logic.rhs8739:
-  %t162 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t162, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.6123, i64 1, i64 0 }, ptr %a165
-  %t166 = call i64 @finch_str_find(ptr %a163, ptr %a165)
-  %t167 = icmp sge i64 %t166, 0
-  br label %logic.rend8741
-logic.rend8741:
-  br label %logic.end8740
-logic.end8740:
-  %t168 = phi i1 [ true, %logic.from8738 ], [ %t167, %logic.rend8741 ]
-  br label %logic.from8742
-logic.from8742:
-  br i1 %t168, label %logic.end8744, label %logic.rhs8743
-logic.rhs8743:
-  %t169 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t169, ptr %a170
-  store { ptr, i64, i64 } { ptr @.str.6125, i64 1, i64 0 }, ptr %a172
-  %t173 = call i64 @finch_str_find(ptr %a170, ptr %a172)
-  %t174 = icmp sge i64 %t173, 0
-  br label %logic.rend8745
-logic.rend8745:
-  br label %logic.end8744
-logic.end8744:
-  %t175 = phi i1 [ true, %logic.from8742 ], [ %t174, %logic.rend8745 ]
-  br label %logic.from8746
-logic.from8746:
-  br i1 %t175, label %logic.rhs8747, label %logic.end8748
-logic.rhs8747:
-  %t176 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t176, ptr %a177
-  store { ptr, i64, i64 } { ptr @.str.6127, i64 2, i64 0 }, ptr %a179
-  %t180 = call i32 @finch_str_starts(ptr %a177, ptr %a179)
-  %t181 = icmp ne i32 %t180, 0
-  %t182 = xor i1 %t181, true
-  br label %logic.rend8749
-logic.rend8749:
-  br label %logic.end8748
-logic.end8748:
-  %t183 = phi i1 [ false, %logic.from8746 ], [ %t182, %logic.rend8749 ]
-  store i1 %t183, ptr %a184
-  %t185 = load i1, ptr %a184
-  br i1 %t185, label %then8750, label %endif8752
-then8750:
-  %t186 = load { ptr, i64, i64 }, ptr %a127
-  store { ptr, i64, i64 } %t186, ptr %a187
-  call void @finch_str_copy(ptr %a188, ptr %a187)
-  %t189 = load { ptr, i64, i64 }, ptr %a188
+endif9219:
+  %t159 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t159, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.6340, i64 1, i64 0 }, ptr %a162
+  %t163 = call i64 @finch_str_find(ptr %a160, ptr %a162)
+  %t164 = icmp sge i64 %t163, 0
+  br label %logic.from9220
+logic.from9220:
+  br i1 %t164, label %logic.end9222, label %logic.rhs9221
+logic.rhs9221:
+  %t165 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t165, ptr %a166
+  store { ptr, i64, i64 } { ptr @.str.6342, i64 1, i64 0 }, ptr %a168
+  %t169 = call i64 @finch_str_find(ptr %a166, ptr %a168)
+  %t170 = icmp sge i64 %t169, 0
+  br label %logic.rend9223
+logic.rend9223:
+  br label %logic.end9222
+logic.end9222:
+  %t171 = phi i1 [ true, %logic.from9220 ], [ %t170, %logic.rend9223 ]
+  br label %logic.from9224
+logic.from9224:
+  br i1 %t171, label %logic.end9226, label %logic.rhs9225
+logic.rhs9225:
+  %t172 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t172, ptr %a173
+  store { ptr, i64, i64 } { ptr @.str.6344, i64 1, i64 0 }, ptr %a175
+  %t176 = call i64 @finch_str_find(ptr %a173, ptr %a175)
+  %t177 = icmp sge i64 %t176, 0
+  br label %logic.rend9227
+logic.rend9227:
+  br label %logic.end9226
+logic.end9226:
+  %t178 = phi i1 [ true, %logic.from9224 ], [ %t177, %logic.rend9227 ]
+  br label %logic.from9228
+logic.from9228:
+  br i1 %t178, label %logic.rhs9229, label %logic.end9230
+logic.rhs9229:
+  %t179 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t179, ptr %a180
+  store { ptr, i64, i64 } { ptr @.str.6346, i64 2, i64 0 }, ptr %a182
+  %t183 = call i32 @finch_str_starts(ptr %a180, ptr %a182)
+  %t184 = icmp ne i32 %t183, 0
+  %t185 = xor i1 %t184, true
+  br label %logic.rend9231
+logic.rend9231:
+  br label %logic.end9230
+logic.end9230:
+  %t186 = phi i1 [ false, %logic.from9228 ], [ %t185, %logic.rend9231 ]
+  store i1 %t186, ptr %a187
+  %t188 = load i1, ptr %a187
+  br i1 %t188, label %then9232, label %endif9234
+then9232:
+  %t189 = load { ptr, i64, i64 }, ptr %a130
   store { ptr, i64, i64 } %t189, ptr %a190
-  br label %while.cond8753
-while.cond8753:
-  %t191 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
-  %t192 = load i64, ptr %t191
-  %t193 = icmp sgt i64 %t192, 0
-  br label %logic.from8756
-logic.from8756:
-  br i1 %t193, label %logic.rhs8757, label %logic.end8758
-logic.rhs8757:
-  store { ptr, i64, i64 } { ptr @.str.6128, i64 4, i64 0 }, ptr %a194
-  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
-  %t197 = load i64, ptr %t196
-  %t198 = sub i64 %t197, 1
-  %t199 = load { ptr, i64, i64 }, ptr %a190
-  %t200 = extractvalue { ptr, i64, i64 } %t199, 1
-  %t201 = icmp uge i64 %t198, %t200
-  br i1 %t201, label %range8759, label %inrange8760
-range8759:
-  call void @finch_panic_index(ptr @.str.6130, i64 398, i64 %t198, i64 %t200)
+  call void @finch_str_copy(ptr %a191, ptr %a190)
+  %t192 = load { ptr, i64, i64 }, ptr %a191
+  store { ptr, i64, i64 } %t192, ptr %a193
+  br label %while.cond9235
+while.cond9235:
+  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %a193, i32 0, i32 1
+  %t195 = load i64, ptr %t194
+  %t196 = icmp sgt i64 %t195, 0
+  br label %logic.from9238
+logic.from9238:
+  br i1 %t196, label %logic.rhs9239, label %logic.end9240
+logic.rhs9239:
+  store { ptr, i64, i64 } { ptr @.str.6347, i64 4, i64 0 }, ptr %a197
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %a193, i32 0, i32 1
+  %t200 = load i64, ptr %t199
+  %t201 = sub i64 %t200, 1
+  %t202 = load { ptr, i64, i64 }, ptr %a193
+  %t203 = extractvalue { ptr, i64, i64 } %t202, 1
+  %t204 = icmp uge i64 %t201, %t203
+  br i1 %t204, label %range9241, label %inrange9242
+range9241:
+  call void @finch_panic_index(ptr @.str.6349, i64 402, i64 %t201, i64 %t203)
   unreachable
-inrange8760:
-  %t202 = extractvalue { ptr, i64, i64 } %t199, 0
-  %t203 = getelementptr inbounds i8, ptr %t202, i64 %t198
-  %t204 = load i8, ptr %t203
-  call void @finch_str_from_char(ptr %a205, i8 signext %t204)
-  %t206 = load { ptr, i64, i64 }, ptr %a205
-  store { ptr, i64, i64 } %t206, ptr %a207
-  %t208 = call i64 @finch_str_find(ptr %a194, ptr %a207)
-  %t209 = icmp sge i64 %t208, 0
-  br label %logic.rend8761
-logic.rend8761:
-  br label %logic.end8758
-logic.end8758:
-  %t210 = phi i1 [ false, %logic.from8756 ], [ %t209, %logic.rend8761 ]
-  br i1 %t210, label %while.body8754, label %while.end8755
-while.body8754:
-  %t211 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } %t211, ptr %a212
-  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %a190, i32 0, i32 1
-  %t215 = load i64, ptr %t214
-  %t216 = sub i64 %t215, 1
-  call void @finch_str_sub(ptr %a213, ptr %a212, i64 0, i64 %t216, ptr @.str.6131, i64 399)
-  %t217 = load { ptr, i64, i64 }, ptr %a213
-  store { ptr, i64, i64 } %t217, ptr %a190
-  br label %while.cond8753
-while.end8755:
-  %t218 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } zeroinitializer, ptr %a219
-  store double 0.0, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  %t222 = call i32 @finch_str_try_float(ptr %a221, ptr %a220, ptr %a219)
-  %t223 = icmp eq i32 %t222, 0
-  %t224 = load { ptr, i64, i64 }, ptr %a219
-  %t225 = load double, ptr %a220
-  br i1 %t223, label %or.failed8762, label %or.ok8763
-or.failed8762:
-  store { ptr, i64, i64 } %t224, ptr %a226
+inrange9242:
+  %t205 = extractvalue { ptr, i64, i64 } %t202, 0
+  %t206 = getelementptr inbounds i8, ptr %t205, i64 %t201
+  %t207 = load i8, ptr %t206
+  call void @finch_str_from_char(ptr %a208, i8 signext %t207)
+  %t209 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t209, ptr %a210
+  %t211 = call i64 @finch_str_find(ptr %a197, ptr %a210)
+  %t212 = icmp sge i64 %t211, 0
+  store { ptr, i64, i64 } %t209, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %logic.rend9243
+logic.rend9243:
+  br label %logic.end9240
+logic.end9240:
+  %t214 = phi i1 [ false, %logic.from9238 ], [ %t212, %logic.rend9243 ]
+  br i1 %t214, label %while.body9236, label %while.end9237
+while.body9236:
+  %t215 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t215, ptr %a216
+  %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %a193, i32 0, i32 1
+  %t219 = load i64, ptr %t218
+  %t220 = sub i64 %t219, 1
+  call void @finch_str_sub(ptr %a217, ptr %a216, i64 0, i64 %t220, ptr @.str.6350, i64 403)
+  %t221 = load { ptr, i64, i64 }, ptr %a217
+  %t222 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t221, ptr %a193
+  store { ptr, i64, i64 } %t222, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  br label %while.cond9235
+while.end9237:
+  %t224 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } zeroinitializer, ptr %a225
+  store double 0.0, ptr %a226
+  store { ptr, i64, i64 } %t224, ptr %a227
+  %t228 = call i32 @finch_str_try_float(ptr %a227, ptr %a226, ptr %a225)
+  %t229 = icmp eq i32 %t228, 0
+  %t230 = load { ptr, i64, i64 }, ptr %a225
+  %t231 = load double, ptr %a226
+  br i1 %t229, label %or.failed9244, label %or.ok9245
+or.failed9244:
+  store { ptr, i64, i64 } %t230, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  call void @finch_str_drop(ptr %a193)
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
   ret %S.cimport.Number zeroinitializer
-or.ok8763:
-  store double %t225, ptr %a227
-  %t228 = load i1, ptr %a94
-  br i1 %t228, label %then8764, label %endif8766
-then8764:
-  %t229 = load double, ptr %a227
-  %t230 = fsub double 0.0, %t229
-  store double %t230, ptr %a227
-  br label %endif8766
-endif8766:
-  %t231 = insertvalue %S.cimport.CConst zeroinitializer, i1 true, 0
-  %t232 = load double, ptr %a227
-  %t233 = insertvalue %S.cimport.CConst %t231, double %t232, 2
-  %t234 = load { ptr, i64, i64 }, ptr %a190
-  store { ptr, i64, i64 } %t234, ptr %a235
-  call void @finch_str_copy(ptr %a236, ptr %a235)
-  %t237 = load { ptr, i64, i64 }, ptr %a236
-  %t238 = insertvalue %S.cimport.CConst %t233, { ptr, i64, i64 } %t237, 3
-  %t239 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t238, 0
-  %t240 = insertvalue %S.cimport.Number %t239, i1 true, 1
-  ret %S.cimport.Number %t240
-endif8752:
-  %t241 = load { ptr, i64, i64 }, ptr %a127
-  %t242 = call %S.cimport.Number @finch.cimport.parseInt({ ptr, i64, i64 } %t241)
-  store %S.cimport.Number %t242, ptr %a243
-  %t244 = getelementptr inbounds %S.cimport.Number, ptr %a243, i32 0, i32 1
-  %t245 = load i1, ptr %t244
-  br label %logic.from8767
-logic.from8767:
-  br i1 %t245, label %logic.rhs8768, label %logic.end8769
-logic.rhs8768:
-  %t246 = load i1, ptr %a94
-  br label %logic.rend8770
-logic.rend8770:
-  br label %logic.end8769
-logic.end8769:
-  %t247 = phi i1 [ false, %logic.from8767 ], [ %t246, %logic.rend8770 ]
-  br i1 %t247, label %then8771, label %endif8773
-then8771:
-  %t248 = getelementptr inbounds %S.cimport.Number, ptr %a243, i32 0, i32 0
-  %t249 = getelementptr inbounds %S.cimport.CConst, ptr %t248, i32 0, i32 1
-  %t250 = load i64, ptr %t249
-  %t251 = sub i64 0, %t250
-  %t252 = getelementptr inbounds %S.cimport.Number, ptr %a243, i32 0, i32 0
-  %t253 = getelementptr inbounds %S.cimport.CConst, ptr %t252, i32 0, i32 1
-  store i64 %t251, ptr %t253
-  br label %endif8773
-endif8773:
-  %t254 = load %S.cimport.Number, ptr %a243
-  store %S.cimport.Number %t254, ptr %a255
-  call void @finch.copy.S_cimport_Number(ptr %a256, ptr %a255)
-  %t257 = load %S.cimport.Number, ptr %a256
-  ret %S.cimport.Number %t257
+or.ok9245:
+  store double %t231, ptr %a233
+  %t234 = load i1, ptr %a96
+  br i1 %t234, label %then9246, label %endif9248
+then9246:
+  %t235 = load double, ptr %a233
+  %t236 = fsub double 0.0, %t235
+  store double %t236, ptr %a233
+  br label %endif9248
+endif9248:
+  %t237 = insertvalue %S.cimport.CConst zeroinitializer, i1 true, 0
+  %t238 = load double, ptr %a233
+  %t239 = insertvalue %S.cimport.CConst %t237, double %t238, 2
+  %t240 = load { ptr, i64, i64 }, ptr %a193
+  store { ptr, i64, i64 } %t240, ptr %a241
+  call void @finch_str_copy(ptr %a242, ptr %a241)
+  %t243 = load { ptr, i64, i64 }, ptr %a242
+  %t244 = insertvalue %S.cimport.CConst %t239, { ptr, i64, i64 } %t243, 3
+  %t245 = insertvalue %S.cimport.Number zeroinitializer, %S.cimport.CConst %t244, 0
+  %t246 = insertvalue %S.cimport.Number %t245, i1 true, 1
+  call void @finch_str_drop(ptr %a193)
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
+  ret %S.cimport.Number %t246
+endif9234:
+  %t247 = load { ptr, i64, i64 }, ptr %a130
+  %t248 = call %S.cimport.Number @finch.cimport.parseInt({ ptr, i64, i64 } %t247)
+  store %S.cimport.Number %t248, ptr %a249
+  %t250 = getelementptr inbounds %S.cimport.Number, ptr %a249, i32 0, i32 1
+  %t251 = load i1, ptr %t250
+  br label %logic.from9249
+logic.from9249:
+  br i1 %t251, label %logic.rhs9250, label %logic.end9251
+logic.rhs9250:
+  %t252 = load i1, ptr %a96
+  br label %logic.rend9252
+logic.rend9252:
+  br label %logic.end9251
+logic.end9251:
+  %t253 = phi i1 [ false, %logic.from9249 ], [ %t252, %logic.rend9252 ]
+  br i1 %t253, label %then9253, label %endif9255
+then9253:
+  %t254 = getelementptr inbounds %S.cimport.Number, ptr %a249, i32 0, i32 0
+  %t255 = getelementptr inbounds %S.cimport.CConst, ptr %t254, i32 0, i32 1
+  %t256 = load i64, ptr %t255
+  %t257 = sub i64 0, %t256
+  %t258 = getelementptr inbounds %S.cimport.Number, ptr %a249, i32 0, i32 0
+  %t259 = getelementptr inbounds %S.cimport.CConst, ptr %t258, i32 0, i32 1
+  store i64 %t257, ptr %t259
+  br label %endif9255
+endif9255:
+  %t260 = load %S.cimport.Number, ptr %a249
+  call void @finch_str_drop(ptr %a130)
+  call void @finch.drop.arr_str(ptr %a14)
+  ret %S.cimport.Number %t260
 }
 
 define internal i32 @finch.cimport.visitTop(%S.C.CXCursor %p0, %S.C.CXCursor %p1, ptr %p2) {
@@ -79825,6 +95912,14 @@ entry:
   ret i32 %t3
 }
 
+define internal void @finch.drop.S_cimport_Number(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Number, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_cimport_CConst(ptr %t1)
+  ret void
+}
+
 define internal void @finch.cimport.visit(ptr %p0, %S.C.CXCursor %p1) {
 entry:
   %a1 = alloca ptr, align 16
@@ -79855,82 +95950,95 @@ entry:
   %a85 = alloca i32, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca %S.cimport.CFunc, align 16
-  %a123 = alloca %S.C.CXCursor, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca i32, align 16
-  %a144 = alloca %S.cimport.CFunc, align 16
-  %a145 = alloca %S.cimport.CFunc, align 16
-  %a147 = alloca %S.C.CXType, align 16
-  %a148 = alloca %S.C.CXType, align 16
-  %a150 = alloca %S.C.CXCursor, align 16
-  %a152 = alloca %S.C.CXType, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca %S.cimport.CFunc, align 16
+  %a125 = alloca %S.C.CXCursor, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca i32, align 16
+  %a148 = alloca %S.cimport.CFunc, align 16
+  %a149 = alloca %S.cimport.CFunc, align 16
+  %a152 = alloca %S.cimport.CFunc, align 16
+  %a153 = alloca %S.C.CXType, align 16
   %a154 = alloca %S.C.CXType, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca i32, align 16
-  %a176 = alloca %S.cimport.CFunc, align 16
-  %a177 = alloca %S.cimport.CFunc, align 16
-  %a180 = alloca %S.C.CXType, align 16
-  %a182 = alloca %S.C.CXType, align 16
-  %a185 = alloca %S.cimport.Mapped, align 16
-  %a191 = alloca %S.ast.Type, align 16
-  %a192 = alloca %S.ast.Type, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca %S.C.CXType, align 16
-  %a204 = alloca i64, align 16
-  %a206 = alloca i64, align 16
-  %a214 = alloca %S.C.CXType, align 16
-  %a216 = alloca %S.C.CXType, align 16
-  %a221 = alloca %S.cimport.Mapped, align 16
-  %a228 = alloca %S.ast.Type, align 16
-  %a229 = alloca %S.ast.Type, align 16
-  %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca %S.C.CXType, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca i32, align 16
-  %a265 = alloca %S.cimport.CFunc, align 16
-  %a266 = alloca %S.cimport.CFunc, align 16
-  %a271 = alloca %S.C.CXCursor, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca %S.C.CXType, align 16
-  %a286 = alloca %S.C.CXCursor, align 16
-  %a289 = alloca %S.cimport.Mapped, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca i32, align 16
-  %a310 = alloca %S.ast.Type, align 16
-  %a311 = alloca %S.ast.Type, align 16
-  %a316 = alloca %S.C.CXCursor, align 16
-  %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca %S.C.CXCursor, align 16
-  %a334 = alloca [32 x i8], align 16
-  %a337 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
-  %a351 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca i32, align 16
+  %a156 = alloca %S.C.CXCursor, align 16
+  %a158 = alloca %S.C.CXType, align 16
+  %a160 = alloca %S.C.CXType, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca i32, align 16
+  %a184 = alloca %S.cimport.CFunc, align 16
+  %a185 = alloca %S.cimport.CFunc, align 16
+  %a188 = alloca %S.cimport.CFunc, align 16
+  %a190 = alloca %S.C.CXType, align 16
+  %a192 = alloca %S.C.CXType, align 16
+  %a195 = alloca %S.cimport.Mapped, align 16
+  %a201 = alloca %S.ast.Type, align 16
+  %a202 = alloca %S.ast.Type, align 16
+  %a205 = alloca %S.ast.Type, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca %S.C.CXType, align 16
+  %a218 = alloca i64, align 16
+  %a220 = alloca i64, align 16
+  %a228 = alloca %S.C.CXType, align 16
+  %a230 = alloca %S.C.CXType, align 16
+  %a235 = alloca %S.cimport.Mapped, align 16
+  %a242 = alloca %S.ast.Type, align 16
+  %a243 = alloca %S.ast.Type, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca %S.C.CXType, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a271 = alloca i32, align 16
+  %a281 = alloca %S.cimport.CFunc, align 16
+  %a282 = alloca %S.cimport.CFunc, align 16
+  %a285 = alloca %S.cimport.CFunc, align 16
+  %a289 = alloca %S.C.CXCursor, align 16
+  %a297 = alloca { ptr, i64, i64 }, align 16
+  %a302 = alloca %S.C.CXType, align 16
+  %a304 = alloca %S.C.CXCursor, align 16
+  %a307 = alloca %S.cimport.Mapped, align 16
+  %a317 = alloca { ptr, i64, i64 }, align 16
+  %a318 = alloca i32, align 16
+  %a328 = alloca %S.ast.Type, align 16
+  %a329 = alloca %S.ast.Type, align 16
+  %a332 = alloca %S.ast.Type, align 16
+  %a336 = alloca %S.C.CXCursor, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a352 = alloca %S.C.CXCursor, align 16
+  %a354 = alloca [32 x i8], align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
-  %a363 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca %S.C.CXCursor, align 16
-  %a378 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca %S.C.CXCursor, align 16
-  %a391 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca i32, align 16
+  %a371 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca i32, align 16
+  %a382 = alloca { ptr, i64, i64 }, align 16
+  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca %S.C.CXCursor, align 16
+  %a400 = alloca { ptr, i64, i64 }, align 16
   %a405 = alloca %S.C.CXCursor, align 16
-  %a409 = alloca %S.C.CXCursor, align 16
-  %a416 = alloca %S.cimport.Number, align 16
-  %a424 = alloca { ptr, i64, i64 }, align 16
-  %a436 = alloca { ptr, i64, i64 }, align 16
-  %a437 = alloca i32, align 16
-  %a447 = alloca %S.cimport.CConst, align 16
-  %a448 = alloca %S.cimport.CConst, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca i32, align 16
+  %a425 = alloca %S.cimport.CConst, align 16
+  %a429 = alloca %S.C.CXCursor, align 16
+  %a433 = alloca %S.C.CXCursor, align 16
+  %a440 = alloca %S.cimport.Number, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca i32, align 16
+  %a471 = alloca %S.cimport.CConst, align 16
+  %a472 = alloca %S.cimport.CConst, align 16
+  %a475 = alloca %S.cimport.CConst, align 16
   store ptr %p0, ptr %a1
   store %S.C.CXCursor %p1, ptr %a2
   %t3 = load %S.C.CXCursor, ptr %a2
@@ -79946,8 +96054,8 @@ entry:
   store i32 %t12, ptr %a13
   %t14 = load i32, ptr %a13
   %t15 = icmp eq i32 %t14, 20
-  br i1 %t15, label %then8774, label %else8775
-then8774:
+  br i1 %t15, label %then9256, label %else9257
+then9256:
   %t18 = load %S.C.CXCursor, ptr %a2
   store %S.C.CXCursor %t18, ptr %a19
   call void @clang_getTypedefDeclUnderlyingType(ptr sret(%S.C.CXType) align 16 %a17, ptr byval(%S.C.CXCursor) align 8 %a19)
@@ -79959,8 +96067,8 @@ then8774:
   %t24 = getelementptr inbounds %S.C.CXType, ptr %a23, i32 0, i32 0
   %t25 = load i32, ptr %t24
   %t26 = icmp eq i32 %t25, 105
-  br i1 %t26, label %then8777, label %endif8779
-then8777:
+  br i1 %t26, label %then9259, label %endif9261
+then9259:
   %t28 = load %S.C.CXType, ptr %a23
   store %S.C.CXType %t28, ptr %a29
   call void @clang_getTypeDeclaration(ptr sret(%S.C.CXCursor) align 16 %a27, ptr byval(%S.C.CXType) align 8 %a29)
@@ -79973,49 +96081,49 @@ then8777:
   store { ptr, i64, i64 } %t35, ptr %a36
   %t37 = load ptr, ptr %a1
   %t38 = icmp eq ptr %t37, null
-  br i1 %t38, label %panic8780, label %ok8781
-panic8780:
-  call void @finch_panic(ptr @.str.6132, i64 433, ptr @.str.6133)
+  br i1 %t38, label %panic9262, label %ok9263
+panic9262:
+  call void @finch_panic(ptr @.str.6351, i64 437, ptr @.str.6352)
   unreachable
-ok8781:
+ok9263:
   %t39 = getelementptr inbounds %S.cimport.Importer, ptr %t37, i32 0, i32 3
   %t40 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t40, ptr %a41
   %t42 = call i64 @finch_map_find(ptr %t39, ptr %a41, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t43 = icmp sge i64 %t42, 0
-  br label %logic.from8782
-logic.from8782:
-  br i1 %t43, label %logic.rhs8783, label %logic.end8784
-logic.rhs8783:
+  br label %logic.from9264
+logic.from9264:
+  br i1 %t43, label %logic.rhs9265, label %logic.end9266
+logic.rhs9265:
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic8785, label %ok8786
-panic8785:
-  call void @finch_panic(ptr @.str.6134, i64 433, ptr @.str.6135)
+  br i1 %t45, label %panic9267, label %ok9268
+panic9267:
+  call void @finch_panic(ptr @.str.6353, i64 437, ptr @.str.6354)
   unreachable
-ok8786:
+ok9268:
   %t46 = getelementptr inbounds %S.cimport.Importer, ptr %t44, i32 0, i32 0
   %t47 = getelementptr inbounds %S.cimport.CImports, ptr %t46, i32 0, i32 3
   %t48 = load ptr, ptr %a1
   %t49 = icmp eq ptr %t48, null
-  br i1 %t49, label %panic8787, label %ok8788
-panic8787:
-  call void @finch_panic(ptr @.str.6136, i64 433, ptr @.str.6137)
+  br i1 %t49, label %panic9269, label %ok9270
+panic9269:
+  call void @finch_panic(ptr @.str.6355, i64 437, ptr @.str.6356)
   unreachable
-ok8788:
+ok9270:
   %t50 = getelementptr inbounds %S.cimport.Importer, ptr %t48, i32 0, i32 3
   %t51 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t51, ptr %a52
   %t53 = call i64 @finch_map_find(ptr %t50, ptr %a52, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t54 = icmp slt i64 %t53, 0
-  br i1 %t54, label %map.missing8789, label %map.found8790
-map.missing8789:
+  br i1 %t54, label %map.missing9271, label %map.found9272
+map.missing9271:
   store { ptr, i64, i64 } zeroinitializer, ptr %a55
   store { ptr, i64, i64 } %t51, ptr %a56
   call void @finch_buf_str(ptr %a55, ptr %a56, i32 1)
-  call void @finch_map_missing(ptr @.str.6138, i64 433, ptr %a55)
+  call void @finch_map_missing(ptr @.str.6357, i64 437, ptr %a55)
   unreachable
-map.found8790:
+map.found9272:
   %t57 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t50, i32 0, i32 0
   %t58 = load ptr, ptr %t57
   %t59 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t58, i64 %t53
@@ -80024,25 +96132,25 @@ map.found8790:
   store { ptr, i64, i64 } %t61, ptr %a62
   %t63 = call i64 @finch_map_find(ptr %t47, ptr %a62, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t64 = icmp sge i64 %t63, 0
-  br label %logic.rend8791
-logic.rend8791:
-  br label %logic.end8784
-logic.end8784:
-  %t65 = phi i1 [ false, %logic.from8782 ], [ %t64, %logic.rend8791 ]
+  br label %logic.rend9273
+logic.rend9273:
+  br label %logic.end9266
+logic.end9266:
+  %t65 = phi i1 [ false, %logic.from9264 ], [ %t64, %logic.rend9273 ]
   store i1 %t65, ptr %a66
   %t67 = load i1, ptr %a66
   %t68 = xor i1 %t67, true
-  br label %logic.from8792
-logic.from8792:
-  br i1 %t68, label %logic.rhs8793, label %logic.end8794
-logic.rhs8793:
+  br label %logic.from9274
+logic.from9274:
+  br i1 %t68, label %logic.rhs9275, label %logic.end9276
+logic.rhs9275:
   %t69 = load ptr, ptr %a1
   %t70 = icmp eq ptr %t69, null
-  br i1 %t70, label %panic8795, label %ok8796
-panic8795:
-  call void @finch_panic(ptr @.str.6139, i64 434, ptr @.str.6140)
+  br i1 %t70, label %panic9277, label %ok9278
+panic9277:
+  call void @finch_panic(ptr @.str.6358, i64 438, ptr @.str.6359)
   unreachable
-ok8796:
+ok9278:
   %t71 = getelementptr inbounds %S.cimport.Importer, ptr %t69, i32 0, i32 0
   %t72 = getelementptr inbounds %S.cimport.CImports, ptr %t71, i32 0, i32 3
   %t73 = load { ptr, i64, i64 }, ptr %a9
@@ -80050,21 +96158,21 @@ ok8796:
   %t75 = call i64 @finch_map_find(ptr %t72, ptr %a74, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CStruct }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t76 = icmp sge i64 %t75, 0
   %t77 = xor i1 %t76, true
-  br label %logic.rend8797
-logic.rend8797:
-  br label %logic.end8794
-logic.end8794:
-  %t78 = phi i1 [ false, %logic.from8792 ], [ %t77, %logic.rend8797 ]
-  br i1 %t78, label %then8798, label %endif8800
-then8798:
+  br label %logic.rend9279
+logic.rend9279:
+  br label %logic.end9276
+logic.end9276:
+  %t78 = phi i1 [ false, %logic.from9274 ], [ %t77, %logic.rend9279 ]
+  br i1 %t78, label %then9280, label %endif9282
+then9280:
   %t79 = load { ptr, i64, i64 }, ptr %a9
   %t80 = load ptr, ptr %a1
   %t81 = icmp eq ptr %t80, null
-  br i1 %t81, label %panic8801, label %ok8802
-panic8801:
-  call void @finch_panic(ptr @.str.6141, i64 435, ptr @.str.6142)
+  br i1 %t81, label %panic9283, label %ok9284
+panic9283:
+  call void @finch_panic(ptr @.str.6360, i64 439, ptr @.str.6361)
   unreachable
-ok8802:
+ok9284:
   %t82 = getelementptr inbounds %S.cimport.Importer, ptr %t80, i32 0, i32 3
   %t83 = load { ptr, i64, i64 }, ptr %a36
   store { ptr, i64, i64 } %t83, ptr %a84
@@ -80075,640 +96183,784 @@ ok8802:
   %t89 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t88, i64 %t86
   %t90 = load i32, ptr %a85
   %t91 = icmp ne i32 %t90, 0
-  br i1 %t91, label %map.new8803, label %map.have8804
-map.new8803:
+  br i1 %t91, label %map.new9285, label %map.have9286
+map.new9285:
   %t92 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t89, i32 0, i32 1
   call void @finch_str_copy(ptr %t92, ptr %a84)
   %t93 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t89, i32 0, i32 2
   store { ptr, i64, i64 } zeroinitializer, ptr %t93
-  br label %map.have8804
-map.have8804:
+  br label %map.have9286
+map.have9286:
   %t94 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t89, i32 0, i32 2
   store { ptr, i64, i64 } %t79, ptr %a95
   call void @finch_str_copy(ptr %a96, ptr %a95)
   %t97 = load { ptr, i64, i64 }, ptr %a96
+  %t98 = load { ptr, i64, i64 }, ptr %t94
   store { ptr, i64, i64 } %t97, ptr %t94
-  br label %endif8800
-endif8800:
-  br label %endif8779
-endif8779:
-  br label %endif8776
-else8775:
-  %t98 = load i32, ptr %a13
-  %t99 = icmp eq i32 %t98, 8
-  br i1 %t99, label %then8805, label %else8806
-then8805:
-  %t100 = load ptr, ptr %a1
-  %t101 = icmp eq ptr %t100, null
-  br i1 %t101, label %panic8808, label %ok8809
-panic8808:
-  call void @finch_panic(ptr @.str.6143, i64 439, ptr @.str.6144)
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  br label %endif9282
+endif9282:
+  call void @finch_str_drop(ptr %a36)
+  br label %endif9261
+endif9261:
+  br label %endif9258
+else9257:
+  %t100 = load i32, ptr %a13
+  %t101 = icmp eq i32 %t100, 8
+  br i1 %t101, label %then9287, label %else9288
+then9287:
+  %t102 = load ptr, ptr %a1
+  %t103 = icmp eq ptr %t102, null
+  br i1 %t103, label %panic9290, label %ok9291
+panic9290:
+  call void @finch_panic(ptr @.str.6362, i64 443, ptr @.str.6363)
   unreachable
-ok8809:
-  %t102 = getelementptr inbounds %S.cimport.Importer, ptr %t100, i32 0, i32 0
-  %t103 = getelementptr inbounds %S.cimport.CImports, ptr %t102, i32 0, i32 0
-  %t104 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t104, ptr %a105
-  %t106 = call i64 @finch_map_find(ptr %t103, ptr %a105, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t107 = icmp sge i64 %t106, 0
-  br i1 %t107, label %then8810, label %endif8812
-then8810:
+ok9291:
+  %t104 = getelementptr inbounds %S.cimport.Importer, ptr %t102, i32 0, i32 0
+  %t105 = getelementptr inbounds %S.cimport.CImports, ptr %t104, i32 0, i32 0
+  %t106 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t106, ptr %a107
+  %t108 = call i64 @finch_map_find(ptr %t105, ptr %a107, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t109 = icmp sge i64 %t108, 0
+  br i1 %t109, label %then9292, label %endif9294
+then9292:
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8812:
-  %t108 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t108, ptr %a109
-  call void @finch_str_copy(ptr %a110, ptr %a109)
-  %t111 = load { ptr, i64, i64 }, ptr %a110
-  %t112 = insertvalue %S.cimport.CFunc zeroinitializer, { ptr, i64, i64 } %t111, 0
-  %t113 = load ptr, ptr %a1
-  %t114 = icmp eq ptr %t113, null
-  br i1 %t114, label %panic8813, label %ok8814
-panic8813:
-  call void @finch_panic(ptr @.str.6145, i64 442, ptr @.str.6146)
+endif9294:
+  %t110 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_copy(ptr %a112, ptr %a111)
+  %t113 = load { ptr, i64, i64 }, ptr %a112
+  %t114 = insertvalue %S.cimport.CFunc zeroinitializer, { ptr, i64, i64 } %t113, 0
+  %t115 = load ptr, ptr %a1
+  %t116 = icmp eq ptr %t115, null
+  br i1 %t116, label %panic9295, label %ok9296
+panic9295:
+  call void @finch_panic(ptr @.str.6364, i64 446, ptr @.str.6365)
   unreachable
-ok8814:
-  %t115 = getelementptr inbounds %S.cimport.Importer, ptr %t113, i32 0, i32 2
-  %t116 = load { ptr, i64, i64 }, ptr %t115
-  store { ptr, i64, i64 } %t116, ptr %a117
-  call void @finch_str_copy(ptr %a118, ptr %a117)
-  %t119 = load { ptr, i64, i64 }, ptr %a118
-  %t120 = insertvalue %S.cimport.CFunc %t112, { ptr, i64, i64 } %t119, 1
-  store %S.cimport.CFunc %t120, ptr %a121
-  %t122 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t122, ptr %a123
-  %t124 = call i32 @clang_Cursor_getStorageClass(ptr byval(%S.C.CXCursor) align 8 %a123)
-  %t125 = icmp eq i32 %t124, 3
-  br i1 %t125, label %then8815, label %endif8817
-then8815:
-  %t126 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } { ptr @.str.6147, i64 62, i64 0 }, ptr %t126
-  %t127 = load %S.cimport.CFunc, ptr %a121
-  %t128 = load ptr, ptr %a1
-  %t129 = icmp eq ptr %t128, null
-  br i1 %t129, label %panic8818, label %ok8819
-panic8818:
-  call void @finch_panic(ptr @.str.6148, i64 445, ptr @.str.6149)
+ok9296:
+  %t117 = getelementptr inbounds %S.cimport.Importer, ptr %t115, i32 0, i32 2
+  %t118 = load { ptr, i64, i64 }, ptr %t117
+  store { ptr, i64, i64 } %t118, ptr %a119
+  call void @finch_str_copy(ptr %a120, ptr %a119)
+  %t121 = load { ptr, i64, i64 }, ptr %a120
+  %t122 = insertvalue %S.cimport.CFunc %t114, { ptr, i64, i64 } %t121, 1
+  store %S.cimport.CFunc %t122, ptr %a123
+  %t124 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t124, ptr %a125
+  %t126 = call i32 @clang_Cursor_getStorageClass(ptr byval(%S.C.CXCursor) align 8 %a125)
+  %t127 = icmp eq i32 %t126, 3
+  br i1 %t127, label %then9297, label %endif9299
+then9297:
+  %t128 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  store { ptr, i64, i64 } { ptr @.str.6366, i64 62, i64 0 }, ptr %t128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  call void @finch_str_drop(ptr %a130)
+  %t131 = load %S.cimport.CFunc, ptr %a123
+  %t132 = load ptr, ptr %a1
+  %t133 = icmp eq ptr %t132, null
+  br i1 %t133, label %panic9300, label %ok9301
+panic9300:
+  call void @finch_panic(ptr @.str.6367, i64 449, ptr @.str.6368)
   unreachable
-ok8819:
-  %t130 = getelementptr inbounds %S.cimport.Importer, ptr %t128, i32 0, i32 0
-  %t131 = getelementptr inbounds %S.cimport.CImports, ptr %t130, i32 0, i32 0
-  %t132 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t132, ptr %a133
-  store i32 0, ptr %a134
-  %t135 = call i64 @finch_map_slot(ptr %t131, ptr %a133, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a134)
-  %t136 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t131, i32 0, i32 0
-  %t137 = load ptr, ptr %t136
-  %t138 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t137, i64 %t135
-  %t139 = load i32, ptr %a134
-  %t140 = icmp ne i32 %t139, 0
-  br i1 %t140, label %map.new8820, label %map.have8821
-map.new8820:
-  %t141 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t138, i32 0, i32 1
-  call void @finch_str_copy(ptr %t141, ptr %a133)
-  %t142 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t138, i32 0, i32 2
-  store %S.cimport.CFunc zeroinitializer, ptr %t142
-  br label %map.have8821
-map.have8821:
-  %t143 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t138, i32 0, i32 2
-  store %S.cimport.CFunc %t127, ptr %a144
-  call void @finch.copy.S_cimport_CFunc(ptr %a145, ptr %a144)
-  %t146 = load %S.cimport.CFunc, ptr %a145
-  store %S.cimport.CFunc %t146, ptr %t143
+ok9301:
+  %t134 = getelementptr inbounds %S.cimport.Importer, ptr %t132, i32 0, i32 0
+  %t135 = getelementptr inbounds %S.cimport.CImports, ptr %t134, i32 0, i32 0
+  %t136 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t136, ptr %a137
+  store i32 0, ptr %a138
+  %t139 = call i64 @finch_map_slot(ptr %t135, ptr %a137, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a138)
+  %t140 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t135, i32 0, i32 0
+  %t141 = load ptr, ptr %t140
+  %t142 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t141, i64 %t139
+  %t143 = load i32, ptr %a138
+  %t144 = icmp ne i32 %t143, 0
+  br i1 %t144, label %map.new9302, label %map.have9303
+map.new9302:
+  %t145 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t142, i32 0, i32 1
+  call void @finch_str_copy(ptr %t145, ptr %a137)
+  %t146 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t142, i32 0, i32 2
+  store %S.cimport.CFunc zeroinitializer, ptr %t146
+  br label %map.have9303
+map.have9303:
+  %t147 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t142, i32 0, i32 2
+  store %S.cimport.CFunc %t131, ptr %a148
+  call void @finch.copy.S_cimport_CFunc(ptr %a149, ptr %a148)
+  %t150 = load %S.cimport.CFunc, ptr %a149
+  %t151 = load %S.cimport.CFunc, ptr %t147
+  store %S.cimport.CFunc %t150, ptr %t147
+  store %S.cimport.CFunc %t151, ptr %a152
+  call void @finch.drop.S_cimport_CFunc(ptr %a152)
+  call void @finch.drop.S_cimport_CFunc(ptr %a123)
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8817:
-  %t149 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t149, ptr %a150
-  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a148, ptr byval(%S.C.CXCursor) align 8 %a150)
-  %t151 = load %S.C.CXType, ptr %a148
-  store %S.C.CXType %t151, ptr %a152
-  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a147, ptr byval(%S.C.CXType) align 8 %a152)
-  %t153 = load %S.C.CXType, ptr %a147
-  store %S.C.CXType %t153, ptr %a154
-  %t155 = getelementptr inbounds %S.C.CXType, ptr %a154, i32 0, i32 0
-  %t156 = load i32, ptr %t155
-  %t157 = icmp eq i32 %t156, 110
-  br i1 %t157, label %then8822, label %endif8824
-then8822:
-  %t158 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } { ptr @.str.6150, i64 42, i64 0 }, ptr %t158
-  %t159 = load %S.cimport.CFunc, ptr %a121
-  %t160 = load ptr, ptr %a1
-  %t161 = icmp eq ptr %t160, null
-  br i1 %t161, label %panic8825, label %ok8826
-panic8825:
-  call void @finch_panic(ptr @.str.6151, i64 451, ptr @.str.6152)
+endif9299:
+  %t155 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t155, ptr %a156
+  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a154, ptr byval(%S.C.CXCursor) align 8 %a156)
+  %t157 = load %S.C.CXType, ptr %a154
+  store %S.C.CXType %t157, ptr %a158
+  call void @clang_getCanonicalType(ptr sret(%S.C.CXType) align 16 %a153, ptr byval(%S.C.CXType) align 8 %a158)
+  %t159 = load %S.C.CXType, ptr %a153
+  store %S.C.CXType %t159, ptr %a160
+  %t161 = getelementptr inbounds %S.C.CXType, ptr %a160, i32 0, i32 0
+  %t162 = load i32, ptr %t161
+  %t163 = icmp eq i32 %t162, 110
+  br i1 %t163, label %then9304, label %endif9306
+then9304:
+  %t164 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  %t165 = load { ptr, i64, i64 }, ptr %t164
+  store { ptr, i64, i64 } { ptr @.str.6369, i64 42, i64 0 }, ptr %t164
+  store { ptr, i64, i64 } %t165, ptr %a166
+  call void @finch_str_drop(ptr %a166)
+  %t167 = load %S.cimport.CFunc, ptr %a123
+  %t168 = load ptr, ptr %a1
+  %t169 = icmp eq ptr %t168, null
+  br i1 %t169, label %panic9307, label %ok9308
+panic9307:
+  call void @finch_panic(ptr @.str.6370, i64 455, ptr @.str.6371)
   unreachable
-ok8826:
-  %t162 = getelementptr inbounds %S.cimport.Importer, ptr %t160, i32 0, i32 0
-  %t163 = getelementptr inbounds %S.cimport.CImports, ptr %t162, i32 0, i32 0
-  %t164 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t164, ptr %a165
-  store i32 0, ptr %a166
-  %t167 = call i64 @finch_map_slot(ptr %t163, ptr %a165, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a166)
-  %t168 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t163, i32 0, i32 0
-  %t169 = load ptr, ptr %t168
-  %t170 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t169, i64 %t167
-  %t171 = load i32, ptr %a166
-  %t172 = icmp ne i32 %t171, 0
-  br i1 %t172, label %map.new8827, label %map.have8828
-map.new8827:
-  %t173 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t170, i32 0, i32 1
-  call void @finch_str_copy(ptr %t173, ptr %a165)
-  %t174 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t170, i32 0, i32 2
-  store %S.cimport.CFunc zeroinitializer, ptr %t174
-  br label %map.have8828
-map.have8828:
-  %t175 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t170, i32 0, i32 2
-  store %S.cimport.CFunc %t159, ptr %a176
-  call void @finch.copy.S_cimport_CFunc(ptr %a177, ptr %a176)
-  %t178 = load %S.cimport.CFunc, ptr %a177
-  store %S.cimport.CFunc %t178, ptr %t175
+ok9308:
+  %t170 = getelementptr inbounds %S.cimport.Importer, ptr %t168, i32 0, i32 0
+  %t171 = getelementptr inbounds %S.cimport.CImports, ptr %t170, i32 0, i32 0
+  %t172 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t172, ptr %a173
+  store i32 0, ptr %a174
+  %t175 = call i64 @finch_map_slot(ptr %t171, ptr %a173, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a174)
+  %t176 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t171, i32 0, i32 0
+  %t177 = load ptr, ptr %t176
+  %t178 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t177, i64 %t175
+  %t179 = load i32, ptr %a174
+  %t180 = icmp ne i32 %t179, 0
+  br i1 %t180, label %map.new9309, label %map.have9310
+map.new9309:
+  %t181 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t178, i32 0, i32 1
+  call void @finch_str_copy(ptr %t181, ptr %a173)
+  %t182 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t178, i32 0, i32 2
+  store %S.cimport.CFunc zeroinitializer, ptr %t182
+  br label %map.have9310
+map.have9310:
+  %t183 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t178, i32 0, i32 2
+  store %S.cimport.CFunc %t167, ptr %a184
+  call void @finch.copy.S_cimport_CFunc(ptr %a185, ptr %a184)
+  %t186 = load %S.cimport.CFunc, ptr %a185
+  %t187 = load %S.cimport.CFunc, ptr %t183
+  store %S.cimport.CFunc %t186, ptr %t183
+  store %S.cimport.CFunc %t187, ptr %a188
+  call void @finch.drop.S_cimport_CFunc(ptr %a188)
+  call void @finch.drop.S_cimport_CFunc(ptr %a123)
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8824:
-  %t179 = load ptr, ptr %a1
-  %t181 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t181, ptr %a182
-  call void @clang_getResultType(ptr sret(%S.C.CXType) align 16 %a180, ptr byval(%S.C.CXType) align 8 %a182)
-  %t183 = load %S.C.CXType, ptr %a180
-  %t184 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t179, %S.C.CXType %t183, i1 true, i1 false)
-  store %S.cimport.Mapped %t184, ptr %a185
-  %t186 = getelementptr inbounds %S.cimport.Mapped, ptr %a185, i32 0, i32 2
-  %t187 = load i1, ptr %t186
-  br i1 %t187, label %then8829, label %else8830
-then8829:
-  %t188 = getelementptr inbounds %S.cimport.Mapped, ptr %a185, i32 0, i32 0
-  %t189 = load %S.ast.Type, ptr %t188
-  %t190 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 2
-  store %S.ast.Type %t189, ptr %a191
-  call void @finch.copy.S_ast_Type(ptr %a192, ptr %a191)
-  %t193 = load %S.ast.Type, ptr %a192
-  store %S.ast.Type %t193, ptr %t190
-  br label %endif8831
-else8830:
-  %t194 = getelementptr inbounds %S.cimport.Mapped, ptr %a185, i32 0, i32 1
-  %t195 = load { ptr, i64, i64 }, ptr %t194
-  %t196 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } %t195, ptr %a197
-  call void @finch_str_copy(ptr %a198, ptr %a197)
-  %t199 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t199, ptr %t196
-  br label %endif8831
-endif8831:
-  %t200 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t200, ptr %a201
-  %t202 = call i32 @clang_getNumArgTypes(ptr byval(%S.C.CXType) align 8 %a201)
-  %t203 = sext i32 %t202 to i64
-  store i64 %t203, ptr %a204
-  %t205 = load i64, ptr %a204
-  store i64 0, ptr %a206
-  br label %for.cond8832
-for.cond8832:
-  %t207 = load i64, ptr %a206
-  %t208 = icmp slt i64 %t207, %t205
-  br i1 %t208, label %for.body8833, label %for.end8835
-for.body8833:
-  %t209 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i32 0, i32 1
-  %t211 = load i64, ptr %t210
-  %t212 = icmp sgt i64 %t211, 0
-  br i1 %t212, label %then8836, label %endif8838
-then8836:
-  br label %for.end8835
-endif8838:
-  %t213 = load ptr, ptr %a1
-  %t215 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t215, ptr %a216
-  %t217 = load i64, ptr %a206
-  %t218 = trunc i64 %t217 to i32
-  call void @clang_getArgType(ptr sret(%S.C.CXType) align 16 %a214, ptr byval(%S.C.CXType) align 8 %a216, i32 %t218)
-  %t219 = load %S.C.CXType, ptr %a214
-  %t220 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t213, %S.C.CXType %t219, i1 true, i1 true)
-  store %S.cimport.Mapped %t220, ptr %a221
-  %t222 = getelementptr inbounds %S.cimport.Mapped, ptr %a221, i32 0, i32 2
-  %t223 = load i1, ptr %t222
-  br i1 %t223, label %then8839, label %else8840
-then8839:
-  %t224 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 3
-  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i32 0, i32 1
-  %t226 = getelementptr inbounds %S.cimport.Mapped, ptr %a221, i32 0, i32 0
-  %t227 = load %S.ast.Type, ptr %t226
-  store %S.ast.Type %t227, ptr %a228
-  call void @finch.copy.S_ast_Type(ptr %a229, ptr %a228)
-  %t230 = load %S.ast.Type, ptr %a229
-  %t231 = load i64, ptr %t225
-  %t232 = add i64 %t231, 1
-  call void @finch_arr_reserve(ptr %t224, i64 %t232, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
-  %t233 = load ptr, ptr %t224
-  %t234 = getelementptr inbounds %S.ast.Type, ptr %t233, i64 %t231
-  store %S.ast.Type %t230, ptr %t234
-  store i64 %t232, ptr %t225
-  br label %endif8841
-else8840:
-  %t235 = getelementptr inbounds %S.cimport.Mapped, ptr %a221, i32 0, i32 1
-  %t236 = load { ptr, i64, i64 }, ptr %t235
-  %t237 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 5
-  store { ptr, i64, i64 } %t236, ptr %a238
-  call void @finch_str_copy(ptr %a239, ptr %a238)
-  %t240 = load { ptr, i64, i64 }, ptr %a239
-  store { ptr, i64, i64 } %t240, ptr %t237
-  br label %endif8841
-endif8841:
-  br label %for.step8834
-for.step8834:
-  %t241 = load i64, ptr %a206
-  %t242 = add i64 %t241, 1
-  store i64 %t242, ptr %a206
-  br label %for.cond8832
-for.end8835:
-  %t243 = load %S.C.CXType, ptr %a154
-  store %S.C.CXType %t243, ptr %a244
-  %t245 = call i32 @clang_isFunctionTypeVariadic(ptr byval(%S.C.CXType) align 8 %a244)
-  %t246 = icmp ne i32 %t245, 0
-  %t247 = getelementptr inbounds %S.cimport.CFunc, ptr %a121, i32 0, i32 4
-  store i1 %t246, ptr %t247
-  %t248 = load %S.cimport.CFunc, ptr %a121
-  %t249 = load ptr, ptr %a1
-  %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic8842, label %ok8843
-panic8842:
-  call void @finch_panic(ptr @.str.6153, i64 473, ptr @.str.6154)
+endif9306:
+  %t189 = load ptr, ptr %a1
+  %t191 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t191, ptr %a192
+  call void @clang_getResultType(ptr sret(%S.C.CXType) align 16 %a190, ptr byval(%S.C.CXType) align 8 %a192)
+  %t193 = load %S.C.CXType, ptr %a190
+  %t194 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t189, %S.C.CXType %t193, i1 true, i1 false)
+  store %S.cimport.Mapped %t194, ptr %a195
+  %t196 = getelementptr inbounds %S.cimport.Mapped, ptr %a195, i32 0, i32 2
+  %t197 = load i1, ptr %t196
+  br i1 %t197, label %then9311, label %else9312
+then9311:
+  %t198 = getelementptr inbounds %S.cimport.Mapped, ptr %a195, i32 0, i32 0
+  %t199 = load %S.ast.Type, ptr %t198
+  %t200 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 2
+  store %S.ast.Type %t199, ptr %a201
+  call void @finch.copy.S_ast_Type(ptr %a202, ptr %a201)
+  %t203 = load %S.ast.Type, ptr %a202
+  %t204 = load %S.ast.Type, ptr %t200
+  store %S.ast.Type %t203, ptr %t200
+  store %S.ast.Type %t204, ptr %a205
+  call void @finch.drop.S_ast_Type(ptr %a205)
+  br label %endif9313
+else9312:
+  %t206 = getelementptr inbounds %S.cimport.Mapped, ptr %a195, i32 0, i32 1
+  %t207 = load { ptr, i64, i64 }, ptr %t206
+  %t208 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  store { ptr, i64, i64 } %t207, ptr %a209
+  call void @finch_str_copy(ptr %a210, ptr %a209)
+  %t211 = load { ptr, i64, i64 }, ptr %a210
+  %t212 = load { ptr, i64, i64 }, ptr %t208
+  store { ptr, i64, i64 } %t211, ptr %t208
+  store { ptr, i64, i64 } %t212, ptr %a213
+  call void @finch_str_drop(ptr %a213)
+  br label %endif9313
+endif9313:
+  %t214 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t214, ptr %a215
+  %t216 = call i32 @clang_getNumArgTypes(ptr byval(%S.C.CXType) align 8 %a215)
+  %t217 = sext i32 %t216 to i64
+  store i64 %t217, ptr %a218
+  %t219 = load i64, ptr %a218
+  store i64 0, ptr %a220
+  br label %for.cond9314
+for.cond9314:
+  %t221 = load i64, ptr %a220
+  %t222 = icmp slt i64 %t221, %t219
+  br i1 %t222, label %for.body9315, label %for.end9317
+for.body9315:
+  %t223 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i32 0, i32 1
+  %t225 = load i64, ptr %t224
+  %t226 = icmp sgt i64 %t225, 0
+  br i1 %t226, label %then9318, label %endif9320
+then9318:
+  br label %for.end9317
+endif9320:
+  %t227 = load ptr, ptr %a1
+  %t229 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t229, ptr %a230
+  %t231 = load i64, ptr %a220
+  %t232 = trunc i64 %t231 to i32
+  call void @clang_getArgType(ptr sret(%S.C.CXType) align 16 %a228, ptr byval(%S.C.CXType) align 8 %a230, i32 %t232)
+  %t233 = load %S.C.CXType, ptr %a228
+  %t234 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t227, %S.C.CXType %t233, i1 true, i1 true)
+  store %S.cimport.Mapped %t234, ptr %a235
+  %t236 = getelementptr inbounds %S.cimport.Mapped, ptr %a235, i32 0, i32 2
+  %t237 = load i1, ptr %t236
+  br i1 %t237, label %then9321, label %else9322
+then9321:
+  %t238 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 3
+  %t239 = getelementptr inbounds { ptr, i64, i64 }, ptr %t238, i32 0, i32 1
+  %t240 = getelementptr inbounds %S.cimport.Mapped, ptr %a235, i32 0, i32 0
+  %t241 = load %S.ast.Type, ptr %t240
+  store %S.ast.Type %t241, ptr %a242
+  call void @finch.copy.S_ast_Type(ptr %a243, ptr %a242)
+  %t244 = load %S.ast.Type, ptr %a243
+  %t245 = load i64, ptr %t239
+  %t246 = add i64 %t245, 1
+  call void @finch_arr_reserve(ptr %t238, i64 %t246, i64 ptrtoint (ptr getelementptr (%S.ast.Type, ptr null, i32 1) to i64))
+  %t247 = load ptr, ptr %t238
+  %t248 = getelementptr inbounds %S.ast.Type, ptr %t247, i64 %t245
+  store %S.ast.Type %t244, ptr %t248
+  store i64 %t246, ptr %t239
+  br label %endif9323
+else9322:
+  %t249 = getelementptr inbounds %S.cimport.Mapped, ptr %a235, i32 0, i32 1
+  %t250 = load { ptr, i64, i64 }, ptr %t249
+  %t251 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 5
+  store { ptr, i64, i64 } %t250, ptr %a252
+  call void @finch_str_copy(ptr %a253, ptr %a252)
+  %t254 = load { ptr, i64, i64 }, ptr %a253
+  %t255 = load { ptr, i64, i64 }, ptr %t251
+  store { ptr, i64, i64 } %t254, ptr %t251
+  store { ptr, i64, i64 } %t255, ptr %a256
+  call void @finch_str_drop(ptr %a256)
+  br label %endif9323
+endif9323:
+  call void @finch.drop.S_cimport_Mapped(ptr %a235)
+  br label %for.step9316
+for.step9316:
+  %t257 = load i64, ptr %a220
+  %t258 = add i64 %t257, 1
+  store i64 %t258, ptr %a220
+  br label %for.cond9314
+for.end9317:
+  %t259 = load %S.C.CXType, ptr %a160
+  store %S.C.CXType %t259, ptr %a260
+  %t261 = call i32 @clang_isFunctionTypeVariadic(ptr byval(%S.C.CXType) align 8 %a260)
+  %t262 = icmp ne i32 %t261, 0
+  %t263 = getelementptr inbounds %S.cimport.CFunc, ptr %a123, i32 0, i32 4
+  store i1 %t262, ptr %t263
+  %t264 = load %S.cimport.CFunc, ptr %a123
+  %t265 = load ptr, ptr %a1
+  %t266 = icmp eq ptr %t265, null
+  br i1 %t266, label %panic9324, label %ok9325
+panic9324:
+  call void @finch_panic(ptr @.str.6372, i64 477, ptr @.str.6373)
   unreachable
-ok8843:
-  %t251 = getelementptr inbounds %S.cimport.Importer, ptr %t249, i32 0, i32 0
-  %t252 = getelementptr inbounds %S.cimport.CImports, ptr %t251, i32 0, i32 0
-  %t253 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t253, ptr %a254
-  store i32 0, ptr %a255
-  %t256 = call i64 @finch_map_slot(ptr %t252, ptr %a254, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a255)
-  %t257 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t252, i32 0, i32 0
-  %t258 = load ptr, ptr %t257
-  %t259 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t258, i64 %t256
-  %t260 = load i32, ptr %a255
-  %t261 = icmp ne i32 %t260, 0
-  br i1 %t261, label %map.new8844, label %map.have8845
-map.new8844:
-  %t262 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t259, i32 0, i32 1
-  call void @finch_str_copy(ptr %t262, ptr %a254)
-  %t263 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t259, i32 0, i32 2
-  store %S.cimport.CFunc zeroinitializer, ptr %t263
-  br label %map.have8845
-map.have8845:
-  %t264 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t259, i32 0, i32 2
-  store %S.cimport.CFunc %t248, ptr %a265
-  call void @finch.copy.S_cimport_CFunc(ptr %a266, ptr %a265)
-  %t267 = load %S.cimport.CFunc, ptr %a266
-  store %S.cimport.CFunc %t267, ptr %t264
-  br label %endif8807
-else8806:
-  %t268 = load i32, ptr %a13
-  %t269 = icmp eq i32 %t268, 9
-  br i1 %t269, label %then8846, label %else8847
-then8846:
-  %t270 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t270, ptr %a271
-  %t272 = call i32 @clang_Cursor_getStorageClass(ptr byval(%S.C.CXCursor) align 8 %a271)
-  %t273 = icmp ne i32 %t272, 2
-  br label %logic.from8849
-logic.from8849:
-  br i1 %t273, label %logic.end8851, label %logic.rhs8850
-logic.rhs8850:
-  %t274 = load ptr, ptr %a1
-  %t275 = icmp eq ptr %t274, null
-  br i1 %t275, label %panic8852, label %ok8853
-panic8852:
-  call void @finch_panic(ptr @.str.6155, i64 475, ptr @.str.6156)
+ok9325:
+  %t267 = getelementptr inbounds %S.cimport.Importer, ptr %t265, i32 0, i32 0
+  %t268 = getelementptr inbounds %S.cimport.CImports, ptr %t267, i32 0, i32 0
+  %t269 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t269, ptr %a270
+  store i32 0, ptr %a271
+  %t272 = call i64 @finch_map_slot(ptr %t268, ptr %a270, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a271)
+  %t273 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t268, i32 0, i32 0
+  %t274 = load ptr, ptr %t273
+  %t275 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t274, i64 %t272
+  %t276 = load i32, ptr %a271
+  %t277 = icmp ne i32 %t276, 0
+  br i1 %t277, label %map.new9326, label %map.have9327
+map.new9326:
+  %t278 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t275, i32 0, i32 1
+  call void @finch_str_copy(ptr %t278, ptr %a270)
+  %t279 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t275, i32 0, i32 2
+  store %S.cimport.CFunc zeroinitializer, ptr %t279
+  br label %map.have9327
+map.have9327:
+  %t280 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t275, i32 0, i32 2
+  store %S.cimport.CFunc %t264, ptr %a281
+  call void @finch.copy.S_cimport_CFunc(ptr %a282, ptr %a281)
+  %t283 = load %S.cimport.CFunc, ptr %a282
+  %t284 = load %S.cimport.CFunc, ptr %t280
+  store %S.cimport.CFunc %t283, ptr %t280
+  store %S.cimport.CFunc %t284, ptr %a285
+  call void @finch.drop.S_cimport_CFunc(ptr %a285)
+  call void @finch.drop.S_cimport_Mapped(ptr %a195)
+  call void @finch.drop.S_cimport_CFunc(ptr %a123)
+  br label %endif9289
+else9288:
+  %t286 = load i32, ptr %a13
+  %t287 = icmp eq i32 %t286, 9
+  br i1 %t287, label %then9328, label %else9329
+then9328:
+  %t288 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t288, ptr %a289
+  %t290 = call i32 @clang_Cursor_getStorageClass(ptr byval(%S.C.CXCursor) align 8 %a289)
+  %t291 = icmp ne i32 %t290, 2
+  br label %logic.from9331
+logic.from9331:
+  br i1 %t291, label %logic.end9333, label %logic.rhs9332
+logic.rhs9332:
+  %t292 = load ptr, ptr %a1
+  %t293 = icmp eq ptr %t292, null
+  br i1 %t293, label %panic9334, label %ok9335
+panic9334:
+  call void @finch_panic(ptr @.str.6374, i64 479, ptr @.str.6375)
   unreachable
-ok8853:
-  %t276 = getelementptr inbounds %S.cimport.Importer, ptr %t274, i32 0, i32 0
-  %t277 = getelementptr inbounds %S.cimport.CImports, ptr %t276, i32 0, i32 2
-  %t278 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t278, ptr %a279
-  %t280 = call i64 @finch_map_find(ptr %t277, ptr %a279, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t281 = icmp sge i64 %t280, 0
-  br label %logic.rend8854
-logic.rend8854:
-  br label %logic.end8851
-logic.end8851:
-  %t282 = phi i1 [ true, %logic.from8849 ], [ %t281, %logic.rend8854 ]
-  br i1 %t282, label %then8855, label %endif8857
-then8855:
+ok9335:
+  %t294 = getelementptr inbounds %S.cimport.Importer, ptr %t292, i32 0, i32 0
+  %t295 = getelementptr inbounds %S.cimport.CImports, ptr %t294, i32 0, i32 2
+  %t296 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t296, ptr %a297
+  %t298 = call i64 @finch_map_find(ptr %t295, ptr %a297, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t299 = icmp sge i64 %t298, 0
+  br label %logic.rend9336
+logic.rend9336:
+  br label %logic.end9333
+logic.end9333:
+  %t300 = phi i1 [ true, %logic.from9331 ], [ %t299, %logic.rend9336 ]
+  br i1 %t300, label %then9337, label %endif9339
+then9337:
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8857:
-  %t283 = load ptr, ptr %a1
-  %t285 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t285, ptr %a286
-  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a284, ptr byval(%S.C.CXCursor) align 8 %a286)
-  %t287 = load %S.C.CXType, ptr %a284
-  %t288 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t283, %S.C.CXType %t287, i1 false, i1 false)
-  store %S.cimport.Mapped %t288, ptr %a289
-  %t290 = getelementptr inbounds %S.cimport.Mapped, ptr %a289, i32 0, i32 2
-  %t291 = load i1, ptr %t290
-  br i1 %t291, label %then8858, label %endif8860
-then8858:
-  %t292 = getelementptr inbounds %S.cimport.Mapped, ptr %a289, i32 0, i32 0
-  %t293 = load %S.ast.Type, ptr %t292
-  %t294 = load ptr, ptr %a1
-  %t295 = icmp eq ptr %t294, null
-  br i1 %t295, label %panic8861, label %ok8862
-panic8861:
-  call void @finch_panic(ptr @.str.6157, i64 480, ptr @.str.6158)
+endif9339:
+  %t301 = load ptr, ptr %a1
+  %t303 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t303, ptr %a304
+  call void @clang_getCursorType(ptr sret(%S.C.CXType) align 16 %a302, ptr byval(%S.C.CXCursor) align 8 %a304)
+  %t305 = load %S.C.CXType, ptr %a302
+  %t306 = call %S.cimport.Mapped @finch.cimport.mapType(ptr %t301, %S.C.CXType %t305, i1 false, i1 false)
+  store %S.cimport.Mapped %t306, ptr %a307
+  %t308 = getelementptr inbounds %S.cimport.Mapped, ptr %a307, i32 0, i32 2
+  %t309 = load i1, ptr %t308
+  br i1 %t309, label %then9340, label %endif9342
+then9340:
+  %t310 = getelementptr inbounds %S.cimport.Mapped, ptr %a307, i32 0, i32 0
+  %t311 = load %S.ast.Type, ptr %t310
+  %t312 = load ptr, ptr %a1
+  %t313 = icmp eq ptr %t312, null
+  br i1 %t313, label %panic9343, label %ok9344
+panic9343:
+  call void @finch_panic(ptr @.str.6376, i64 484, ptr @.str.6377)
   unreachable
-ok8862:
-  %t296 = getelementptr inbounds %S.cimport.Importer, ptr %t294, i32 0, i32 0
-  %t297 = getelementptr inbounds %S.cimport.CImports, ptr %t296, i32 0, i32 2
-  %t298 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t298, ptr %a299
-  store i32 0, ptr %a300
-  %t301 = call i64 @finch_map_slot(ptr %t297, ptr %a299, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a300)
-  %t302 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t297, i32 0, i32 0
-  %t303 = load ptr, ptr %t302
-  %t304 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t303, i64 %t301
-  %t305 = load i32, ptr %a300
-  %t306 = icmp ne i32 %t305, 0
-  br i1 %t306, label %map.new8863, label %map.have8864
-map.new8863:
-  %t307 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t304, i32 0, i32 1
-  call void @finch_str_copy(ptr %t307, ptr %a299)
-  %t308 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t304, i32 0, i32 2
-  store %S.ast.Type zeroinitializer, ptr %t308
-  br label %map.have8864
-map.have8864:
-  %t309 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t304, i32 0, i32 2
-  store %S.ast.Type %t293, ptr %a310
-  call void @finch.copy.S_ast_Type(ptr %a311, ptr %a310)
-  %t312 = load %S.ast.Type, ptr %a311
-  store %S.ast.Type %t312, ptr %t309
-  br label %endif8860
-endif8860:
-  br label %endif8848
-else8847:
-  %t313 = load i32, ptr %a13
-  %t314 = icmp eq i32 %t313, 2
-  br i1 %t314, label %then8865, label %else8866
-then8865:
-  %t315 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t315, ptr %a316
-  %t317 = call i32 @clang_isCursorDefinition(ptr byval(%S.C.CXCursor) align 8 %a316)
-  %t318 = icmp ne i32 %t317, 0
-  br label %logic.from8868
-logic.from8868:
-  br i1 %t318, label %logic.rhs8869, label %logic.end8870
-logic.rhs8869:
-  %t319 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  %t320 = load i64, ptr %t319
-  %t321 = icmp sgt i64 %t320, 0
-  br label %logic.rend8871
-logic.rend8871:
-  br label %logic.end8870
-logic.end8870:
-  %t322 = phi i1 [ false, %logic.from8868 ], [ %t321, %logic.rend8871 ]
-  br label %logic.from8872
-logic.from8872:
-  br i1 %t322, label %logic.rhs8873, label %logic.end8874
-logic.rhs8873:
-  %t323 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t323, ptr %a324
-  store { ptr, i64, i64 } { ptr @.str.6160, i64 1, i64 0 }, ptr %a326
-  %t327 = call i64 @finch_str_find(ptr %a324, ptr %a326)
-  %t328 = icmp sge i64 %t327, 0
-  %t329 = xor i1 %t328, true
-  br label %logic.rend8875
-logic.rend8875:
-  br label %logic.end8874
-logic.end8874:
-  %t330 = phi i1 [ false, %logic.from8872 ], [ %t329, %logic.rend8875 ]
-  br i1 %t330, label %then8876, label %endif8878
-then8876:
-  %t331 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t331, ptr %a332
-  %t333 = call { i64, i64 } @clang_getCursorUSR(ptr byval(%S.C.CXCursor) align 8 %a332)
-  store { i64, i64 } %t333, ptr %a334
-  %t335 = load %S.C.CXString, ptr %a334
-  %t336 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t335)
-  store { ptr, i64, i64 } %t336, ptr %a337
-  %t338 = load ptr, ptr %a1
-  %t339 = icmp eq ptr %t338, null
-  br i1 %t339, label %panic8879, label %ok8880
-panic8879:
-  call void @finch_panic(ptr @.str.6161, i64 485, ptr @.str.6162)
+ok9344:
+  %t314 = getelementptr inbounds %S.cimport.Importer, ptr %t312, i32 0, i32 0
+  %t315 = getelementptr inbounds %S.cimport.CImports, ptr %t314, i32 0, i32 2
+  %t316 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t316, ptr %a317
+  store i32 0, ptr %a318
+  %t319 = call i64 @finch_map_slot(ptr %t315, ptr %a317, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.ast.Type }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a318)
+  %t320 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t315, i32 0, i32 0
+  %t321 = load ptr, ptr %t320
+  %t322 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t321, i64 %t319
+  %t323 = load i32, ptr %a318
+  %t324 = icmp ne i32 %t323, 0
+  br i1 %t324, label %map.new9345, label %map.have9346
+map.new9345:
+  %t325 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t322, i32 0, i32 1
+  call void @finch_str_copy(ptr %t325, ptr %a317)
+  %t326 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t322, i32 0, i32 2
+  store %S.ast.Type zeroinitializer, ptr %t326
+  br label %map.have9346
+map.have9346:
+  %t327 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.ast.Type }, ptr %t322, i32 0, i32 2
+  store %S.ast.Type %t311, ptr %a328
+  call void @finch.copy.S_ast_Type(ptr %a329, ptr %a328)
+  %t330 = load %S.ast.Type, ptr %a329
+  %t331 = load %S.ast.Type, ptr %t327
+  store %S.ast.Type %t330, ptr %t327
+  store %S.ast.Type %t331, ptr %a332
+  call void @finch.drop.S_ast_Type(ptr %a332)
+  br label %endif9342
+endif9342:
+  call void @finch.drop.S_cimport_Mapped(ptr %a307)
+  br label %endif9330
+else9329:
+  %t333 = load i32, ptr %a13
+  %t334 = icmp eq i32 %t333, 2
+  br i1 %t334, label %then9347, label %else9348
+then9347:
+  %t335 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t335, ptr %a336
+  %t337 = call i32 @clang_isCursorDefinition(ptr byval(%S.C.CXCursor) align 8 %a336)
+  %t338 = icmp ne i32 %t337, 0
+  br label %logic.from9350
+logic.from9350:
+  br i1 %t338, label %logic.rhs9351, label %logic.end9352
+logic.rhs9351:
+  %t339 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  %t340 = load i64, ptr %t339
+  %t341 = icmp sgt i64 %t340, 0
+  br label %logic.rend9353
+logic.rend9353:
+  br label %logic.end9352
+logic.end9352:
+  %t342 = phi i1 [ false, %logic.from9350 ], [ %t341, %logic.rend9353 ]
+  br label %logic.from9354
+logic.from9354:
+  br i1 %t342, label %logic.rhs9355, label %logic.end9356
+logic.rhs9355:
+  %t343 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t343, ptr %a344
+  store { ptr, i64, i64 } { ptr @.str.6379, i64 1, i64 0 }, ptr %a346
+  %t347 = call i64 @finch_str_find(ptr %a344, ptr %a346)
+  %t348 = icmp sge i64 %t347, 0
+  %t349 = xor i1 %t348, true
+  br label %logic.rend9357
+logic.rend9357:
+  br label %logic.end9356
+logic.end9356:
+  %t350 = phi i1 [ false, %logic.from9354 ], [ %t349, %logic.rend9357 ]
+  br i1 %t350, label %then9358, label %endif9360
+then9358:
+  %t351 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t351, ptr %a352
+  %t353 = call { i64, i64 } @clang_getCursorUSR(ptr byval(%S.C.CXCursor) align 8 %a352)
+  store { i64, i64 } %t353, ptr %a354
+  %t355 = load %S.C.CXString, ptr %a354
+  %t356 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t355)
+  store { ptr, i64, i64 } %t356, ptr %a357
+  %t358 = load ptr, ptr %a1
+  %t359 = icmp eq ptr %t358, null
+  br i1 %t359, label %panic9361, label %ok9362
+panic9361:
+  call void @finch_panic(ptr @.str.6380, i64 489, ptr @.str.6381)
   unreachable
-ok8880:
-  %t340 = getelementptr inbounds %S.cimport.Importer, ptr %t338, i32 0, i32 3
-  %t341 = load { ptr, i64, i64 }, ptr %a337
-  store { ptr, i64, i64 } %t341, ptr %a342
-  %t343 = call i64 @finch_map_find(ptr %t340, ptr %a342, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t344 = icmp sge i64 %t343, 0
-  %t345 = xor i1 %t344, true
-  br i1 %t345, label %then8881, label %endif8883
-then8881:
-  %t346 = load { ptr, i64, i64 }, ptr %a9
-  %t347 = load ptr, ptr %a1
-  %t348 = icmp eq ptr %t347, null
-  br i1 %t348, label %panic8884, label %ok8885
-panic8884:
-  call void @finch_panic(ptr @.str.6163, i64 486, ptr @.str.6164)
+ok9362:
+  %t360 = getelementptr inbounds %S.cimport.Importer, ptr %t358, i32 0, i32 3
+  %t361 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t361, ptr %a362
+  %t363 = call i64 @finch_map_find(ptr %t360, ptr %a362, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t364 = icmp sge i64 %t363, 0
+  %t365 = xor i1 %t364, true
+  br i1 %t365, label %then9363, label %endif9365
+then9363:
+  %t366 = load { ptr, i64, i64 }, ptr %a9
+  %t367 = load ptr, ptr %a1
+  %t368 = icmp eq ptr %t367, null
+  br i1 %t368, label %panic9366, label %ok9367
+panic9366:
+  call void @finch_panic(ptr @.str.6382, i64 490, ptr @.str.6383)
   unreachable
-ok8885:
-  %t349 = getelementptr inbounds %S.cimport.Importer, ptr %t347, i32 0, i32 3
-  %t350 = load { ptr, i64, i64 }, ptr %a337
-  store { ptr, i64, i64 } %t350, ptr %a351
-  store i32 0, ptr %a352
-  %t353 = call i64 @finch_map_slot(ptr %t349, ptr %a351, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a352)
-  %t354 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t349, i32 0, i32 0
-  %t355 = load ptr, ptr %t354
-  %t356 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t355, i64 %t353
-  %t357 = load i32, ptr %a352
-  %t358 = icmp ne i32 %t357, 0
-  br i1 %t358, label %map.new8886, label %map.have8887
-map.new8886:
-  %t359 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t356, i32 0, i32 1
-  call void @finch_str_copy(ptr %t359, ptr %a351)
-  %t360 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t356, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t360
-  br label %map.have8887
-map.have8887:
-  %t361 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t356, i32 0, i32 2
-  store { ptr, i64, i64 } %t346, ptr %a362
-  call void @finch_str_copy(ptr %a363, ptr %a362)
-  %t364 = load { ptr, i64, i64 }, ptr %a363
-  store { ptr, i64, i64 } %t364, ptr %t361
-  br label %endif8883
-endif8883:
-  br label %endif8878
-endif8878:
-  br label %endif8867
-else8866:
-  %t365 = load i32, ptr %a13
-  %t366 = icmp eq i32 %t365, 5
-  br i1 %t366, label %then8888, label %else8889
-then8888:
-  %t367 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t367, ptr %a368
-  %t369 = load ptr, ptr %a1
-  %t370 = call i32 @clang_visitChildren(ptr byval(%S.C.CXCursor) align 8 %a368, ptr @finch.c.cimport.visitTop, ptr %t369)
-  br label %endif8890
-else8889:
-  %t371 = load i32, ptr %a13
-  %t372 = icmp eq i32 %t371, 7
-  br i1 %t372, label %then8891, label %else8892
-then8891:
-  %t373 = load ptr, ptr %a1
-  %t374 = icmp eq ptr %t373, null
-  br i1 %t374, label %panic8894, label %ok8895
-panic8894:
-  call void @finch_panic(ptr @.str.6165, i64 492, ptr @.str.6166)
+ok9367:
+  %t369 = getelementptr inbounds %S.cimport.Importer, ptr %t367, i32 0, i32 3
+  %t370 = load { ptr, i64, i64 }, ptr %a357
+  store { ptr, i64, i64 } %t370, ptr %a371
+  store i32 0, ptr %a372
+  %t373 = call i64 @finch_map_slot(ptr %t369, ptr %a371, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a372)
+  %t374 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t369, i32 0, i32 0
+  %t375 = load ptr, ptr %t374
+  %t376 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t375, i64 %t373
+  %t377 = load i32, ptr %a372
+  %t378 = icmp ne i32 %t377, 0
+  br i1 %t378, label %map.new9368, label %map.have9369
+map.new9368:
+  %t379 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t376, i32 0, i32 1
+  call void @finch_str_copy(ptr %t379, ptr %a371)
+  %t380 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t376, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t380
+  br label %map.have9369
+map.have9369:
+  %t381 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t376, i32 0, i32 2
+  store { ptr, i64, i64 } %t366, ptr %a382
+  call void @finch_str_copy(ptr %a383, ptr %a382)
+  %t384 = load { ptr, i64, i64 }, ptr %a383
+  %t385 = load { ptr, i64, i64 }, ptr %t381
+  store { ptr, i64, i64 } %t384, ptr %t381
+  store { ptr, i64, i64 } %t385, ptr %a386
+  call void @finch_str_drop(ptr %a386)
+  br label %endif9365
+endif9365:
+  call void @finch_str_drop(ptr %a357)
+  br label %endif9360
+endif9360:
+  br label %endif9349
+else9348:
+  %t387 = load i32, ptr %a13
+  %t388 = icmp eq i32 %t387, 5
+  br i1 %t388, label %then9370, label %else9371
+then9370:
+  %t389 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t389, ptr %a390
+  %t391 = load ptr, ptr %a1
+  %t392 = call i32 @clang_visitChildren(ptr byval(%S.C.CXCursor) align 8 %a390, ptr @finch.c.cimport.visitTop, ptr %t391)
+  br label %endif9372
+else9371:
+  %t393 = load i32, ptr %a13
+  %t394 = icmp eq i32 %t393, 7
+  br i1 %t394, label %then9373, label %else9374
+then9373:
+  %t395 = load ptr, ptr %a1
+  %t396 = icmp eq ptr %t395, null
+  br i1 %t396, label %panic9376, label %ok9377
+panic9376:
+  call void @finch_panic(ptr @.str.6384, i64 496, ptr @.str.6385)
   unreachable
-ok8895:
-  %t375 = getelementptr inbounds %S.cimport.Importer, ptr %t373, i32 0, i32 0
-  %t376 = getelementptr inbounds %S.cimport.CImports, ptr %t375, i32 0, i32 1
-  %t377 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t377, ptr %a378
-  %t379 = call i64 @finch_map_find(ptr %t376, ptr %a378, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t380 = icmp sge i64 %t379, 0
-  %t381 = xor i1 %t380, true
-  br i1 %t381, label %then8896, label %endif8898
-then8896:
-  %t382 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t382, ptr %a383
-  %t384 = call i64 @clang_getEnumConstantDeclValue(ptr byval(%S.C.CXCursor) align 8 %a383)
-  %t385 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t384, 1
-  %t386 = load ptr, ptr %a1
-  %t387 = icmp eq ptr %t386, null
-  br i1 %t387, label %panic8899, label %ok8900
-panic8899:
-  call void @finch_panic(ptr @.str.6167, i64 493, ptr @.str.6168)
-  unreachable
-ok8900:
-  %t388 = getelementptr inbounds %S.cimport.Importer, ptr %t386, i32 0, i32 0
-  %t389 = getelementptr inbounds %S.cimport.CImports, ptr %t388, i32 0, i32 1
-  %t390 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t390, ptr %a391
-  store i32 0, ptr %a392
-  %t393 = call i64 @finch_map_slot(ptr %t389, ptr %a391, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a392)
-  %t394 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t389, i32 0, i32 0
-  %t395 = load ptr, ptr %t394
-  %t396 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t395, i64 %t393
-  %t397 = load i32, ptr %a392
-  %t398 = icmp ne i32 %t397, 0
-  br i1 %t398, label %map.new8901, label %map.have8902
-map.new8901:
-  %t399 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t396, i32 0, i32 1
-  call void @finch_str_copy(ptr %t399, ptr %a391)
-  %t400 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t396, i32 0, i32 2
-  store %S.cimport.CConst zeroinitializer, ptr %t400
-  br label %map.have8902
-map.have8902:
-  %t401 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t396, i32 0, i32 2
-  store %S.cimport.CConst %t385, ptr %t401
-  br label %endif8898
-endif8898:
-  br label %endif8893
-else8892:
-  %t402 = load i32, ptr %a13
-  %t403 = icmp eq i32 %t402, 501
-  br i1 %t403, label %then8903, label %endif8905
-then8903:
+ok9377:
+  %t397 = getelementptr inbounds %S.cimport.Importer, ptr %t395, i32 0, i32 0
+  %t398 = getelementptr inbounds %S.cimport.CImports, ptr %t397, i32 0, i32 1
+  %t399 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t399, ptr %a400
+  %t401 = call i64 @finch_map_find(ptr %t398, ptr %a400, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t402 = icmp sge i64 %t401, 0
+  %t403 = xor i1 %t402, true
+  br i1 %t403, label %then9378, label %endif9380
+then9378:
   %t404 = load %S.C.CXCursor, ptr %a2
   store %S.C.CXCursor %t404, ptr %a405
-  %t406 = call i32 @clang_Cursor_isMacroBuiltin(ptr byval(%S.C.CXCursor) align 8 %a405)
-  %t407 = icmp ne i32 %t406, 0
-  br label %logic.from8906
-logic.from8906:
-  br i1 %t407, label %logic.end8908, label %logic.rhs8907
-logic.rhs8907:
-  %t408 = load %S.C.CXCursor, ptr %a2
-  store %S.C.CXCursor %t408, ptr %a409
-  %t410 = call i32 @clang_Cursor_isMacroFunctionLike(ptr byval(%S.C.CXCursor) align 8 %a409)
-  %t411 = icmp ne i32 %t410, 0
-  br label %logic.rend8909
-logic.rend8909:
-  br label %logic.end8908
-logic.end8908:
-  %t412 = phi i1 [ true, %logic.from8906 ], [ %t411, %logic.rend8909 ]
-  br i1 %t412, label %then8910, label %endif8912
-then8910:
+  %t406 = call i64 @clang_getEnumConstantDeclValue(ptr byval(%S.C.CXCursor) align 8 %a405)
+  %t407 = insertvalue %S.cimport.CConst zeroinitializer, i64 %t406, 1
+  %t408 = load ptr, ptr %a1
+  %t409 = icmp eq ptr %t408, null
+  br i1 %t409, label %panic9381, label %ok9382
+panic9381:
+  call void @finch_panic(ptr @.str.6386, i64 497, ptr @.str.6387)
+  unreachable
+ok9382:
+  %t410 = getelementptr inbounds %S.cimport.Importer, ptr %t408, i32 0, i32 0
+  %t411 = getelementptr inbounds %S.cimport.CImports, ptr %t410, i32 0, i32 1
+  %t412 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t412, ptr %a413
+  store i32 0, ptr %a414
+  %t415 = call i64 @finch_map_slot(ptr %t411, ptr %a413, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a414)
+  %t416 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t411, i32 0, i32 0
+  %t417 = load ptr, ptr %t416
+  %t418 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t417, i64 %t415
+  %t419 = load i32, ptr %a414
+  %t420 = icmp ne i32 %t419, 0
+  br i1 %t420, label %map.new9383, label %map.have9384
+map.new9383:
+  %t421 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t418, i32 0, i32 1
+  call void @finch_str_copy(ptr %t421, ptr %a413)
+  %t422 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t418, i32 0, i32 2
+  store %S.cimport.CConst zeroinitializer, ptr %t422
+  br label %map.have9384
+map.have9384:
+  %t423 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t418, i32 0, i32 2
+  %t424 = load %S.cimport.CConst, ptr %t423
+  store %S.cimport.CConst %t407, ptr %t423
+  store %S.cimport.CConst %t424, ptr %a425
+  call void @finch.drop.S_cimport_CConst(ptr %a425)
+  br label %endif9380
+endif9380:
+  br label %endif9375
+else9374:
+  %t426 = load i32, ptr %a13
+  %t427 = icmp eq i32 %t426, 501
+  br i1 %t427, label %then9385, label %endif9387
+then9385:
+  %t428 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t428, ptr %a429
+  %t430 = call i32 @clang_Cursor_isMacroBuiltin(ptr byval(%S.C.CXCursor) align 8 %a429)
+  %t431 = icmp ne i32 %t430, 0
+  br label %logic.from9388
+logic.from9388:
+  br i1 %t431, label %logic.end9390, label %logic.rhs9389
+logic.rhs9389:
+  %t432 = load %S.C.CXCursor, ptr %a2
+  store %S.C.CXCursor %t432, ptr %a433
+  %t434 = call i32 @clang_Cursor_isMacroFunctionLike(ptr byval(%S.C.CXCursor) align 8 %a433)
+  %t435 = icmp ne i32 %t434, 0
+  br label %logic.rend9391
+logic.rend9391:
+  br label %logic.end9390
+logic.end9390:
+  %t436 = phi i1 [ true, %logic.from9388 ], [ %t435, %logic.rend9391 ]
+  br i1 %t436, label %then9392, label %endif9394
+then9392:
+  call void @finch_str_drop(ptr %a9)
   ret void
-endif8912:
-  %t413 = load ptr, ptr %a1
-  %t414 = load %S.C.CXCursor, ptr %a2
-  %t415 = call %S.cimport.Number @finch.cimport.macroValue(ptr %t413, %S.C.CXCursor %t414)
-  store %S.cimport.Number %t415, ptr %a416
-  %t417 = getelementptr inbounds %S.cimport.Number, ptr %a416, i32 0, i32 1
-  %t418 = load i1, ptr %t417
-  br label %logic.from8913
-logic.from8913:
-  br i1 %t418, label %logic.rhs8914, label %logic.end8915
-logic.rhs8914:
-  %t419 = load ptr, ptr %a1
-  %t420 = icmp eq ptr %t419, null
-  br i1 %t420, label %panic8916, label %ok8917
-panic8916:
-  call void @finch_panic(ptr @.str.6169, i64 500, ptr @.str.6170)
+endif9394:
+  %t437 = load ptr, ptr %a1
+  %t438 = load %S.C.CXCursor, ptr %a2
+  %t439 = call %S.cimport.Number @finch.cimport.macroValue(ptr %t437, %S.C.CXCursor %t438)
+  store %S.cimport.Number %t439, ptr %a440
+  %t441 = getelementptr inbounds %S.cimport.Number, ptr %a440, i32 0, i32 1
+  %t442 = load i1, ptr %t441
+  br label %logic.from9395
+logic.from9395:
+  br i1 %t442, label %logic.rhs9396, label %logic.end9397
+logic.rhs9396:
+  %t443 = load ptr, ptr %a1
+  %t444 = icmp eq ptr %t443, null
+  br i1 %t444, label %panic9398, label %ok9399
+panic9398:
+  call void @finch_panic(ptr @.str.6388, i64 504, ptr @.str.6389)
   unreachable
-ok8917:
-  %t421 = getelementptr inbounds %S.cimport.Importer, ptr %t419, i32 0, i32 0
-  %t422 = getelementptr inbounds %S.cimport.CImports, ptr %t421, i32 0, i32 1
-  %t423 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t423, ptr %a424
-  %t425 = call i64 @finch_map_find(ptr %t422, ptr %a424, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t426 = icmp sge i64 %t425, 0
-  %t427 = xor i1 %t426, true
-  br label %logic.rend8918
-logic.rend8918:
-  br label %logic.end8915
-logic.end8915:
-  %t428 = phi i1 [ false, %logic.from8913 ], [ %t427, %logic.rend8918 ]
-  br i1 %t428, label %then8919, label %endif8921
-then8919:
-  %t429 = getelementptr inbounds %S.cimport.Number, ptr %a416, i32 0, i32 0
-  %t430 = load %S.cimport.CConst, ptr %t429
-  %t431 = load ptr, ptr %a1
-  %t432 = icmp eq ptr %t431, null
-  br i1 %t432, label %panic8922, label %ok8923
-panic8922:
-  call void @finch_panic(ptr @.str.6171, i64 501, ptr @.str.6172)
+ok9399:
+  %t445 = getelementptr inbounds %S.cimport.Importer, ptr %t443, i32 0, i32 0
+  %t446 = getelementptr inbounds %S.cimport.CImports, ptr %t445, i32 0, i32 1
+  %t447 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t447, ptr %a448
+  %t449 = call i64 @finch_map_find(ptr %t446, ptr %a448, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t450 = icmp sge i64 %t449, 0
+  %t451 = xor i1 %t450, true
+  br label %logic.rend9400
+logic.rend9400:
+  br label %logic.end9397
+logic.end9397:
+  %t452 = phi i1 [ false, %logic.from9395 ], [ %t451, %logic.rend9400 ]
+  br i1 %t452, label %then9401, label %endif9403
+then9401:
+  %t453 = getelementptr inbounds %S.cimport.Number, ptr %a440, i32 0, i32 0
+  %t454 = load %S.cimport.CConst, ptr %t453
+  %t455 = load ptr, ptr %a1
+  %t456 = icmp eq ptr %t455, null
+  br i1 %t456, label %panic9404, label %ok9405
+panic9404:
+  call void @finch_panic(ptr @.str.6390, i64 505, ptr @.str.6391)
   unreachable
-ok8923:
-  %t433 = getelementptr inbounds %S.cimport.Importer, ptr %t431, i32 0, i32 0
-  %t434 = getelementptr inbounds %S.cimport.CImports, ptr %t433, i32 0, i32 1
-  %t435 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t435, ptr %a436
-  store i32 0, ptr %a437
-  %t438 = call i64 @finch_map_slot(ptr %t434, ptr %a436, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a437)
-  %t439 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t434, i32 0, i32 0
-  %t440 = load ptr, ptr %t439
-  %t441 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t440, i64 %t438
-  %t442 = load i32, ptr %a437
-  %t443 = icmp ne i32 %t442, 0
-  br i1 %t443, label %map.new8924, label %map.have8925
-map.new8924:
-  %t444 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t441, i32 0, i32 1
-  call void @finch_str_copy(ptr %t444, ptr %a436)
-  %t445 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t441, i32 0, i32 2
-  store %S.cimport.CConst zeroinitializer, ptr %t445
-  br label %map.have8925
-map.have8925:
-  %t446 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t441, i32 0, i32 2
-  store %S.cimport.CConst %t430, ptr %a447
-  call void @finch.copy.S_cimport_CConst(ptr %a448, ptr %a447)
-  %t449 = load %S.cimport.CConst, ptr %a448
-  store %S.cimport.CConst %t449, ptr %t446
-  br label %endif8921
-endif8921:
-  br label %endif8905
-endif8905:
-  br label %endif8893
-endif8893:
-  br label %endif8890
-endif8890:
-  br label %endif8867
-endif8867:
-  br label %endif8848
-endif8848:
-  br label %endif8807
-endif8807:
-  br label %endif8776
-endif8776:
+ok9405:
+  %t457 = getelementptr inbounds %S.cimport.Importer, ptr %t455, i32 0, i32 0
+  %t458 = getelementptr inbounds %S.cimport.CImports, ptr %t457, i32 0, i32 1
+  %t459 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t459, ptr %a460
+  store i32 0, ptr %a461
+  %t462 = call i64 @finch_map_slot(ptr %t458, ptr %a460, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a461)
+  %t463 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t458, i32 0, i32 0
+  %t464 = load ptr, ptr %t463
+  %t465 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t464, i64 %t462
+  %t466 = load i32, ptr %a461
+  %t467 = icmp ne i32 %t466, 0
+  br i1 %t467, label %map.new9406, label %map.have9407
+map.new9406:
+  %t468 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t465, i32 0, i32 1
+  call void @finch_str_copy(ptr %t468, ptr %a460)
+  %t469 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t465, i32 0, i32 2
+  store %S.cimport.CConst zeroinitializer, ptr %t469
+  br label %map.have9407
+map.have9407:
+  %t470 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CConst }, ptr %t465, i32 0, i32 2
+  store %S.cimport.CConst %t454, ptr %a471
+  call void @finch.copy.S_cimport_CConst(ptr %a472, ptr %a471)
+  %t473 = load %S.cimport.CConst, ptr %a472
+  %t474 = load %S.cimport.CConst, ptr %t470
+  store %S.cimport.CConst %t473, ptr %t470
+  store %S.cimport.CConst %t474, ptr %a475
+  call void @finch.drop.S_cimport_CConst(ptr %a475)
+  br label %endif9403
+endif9403:
+  call void @finch.drop.S_cimport_Number(ptr %a440)
+  br label %endif9387
+endif9387:
+  br label %endif9375
+endif9375:
+  br label %endif9372
+endif9372:
+  br label %endif9349
+endif9349:
+  br label %endif9330
+endif9330:
+  br label %endif9289
+endif9289:
+  br label %endif9258
+endif9258:
+  call void @finch_str_drop(ptr %a9)
+  ret void
+}
+
+define internal void @finch.drop.map_str_str(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond9411
+n.cond9411:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body9412, label %n.end9413
+n.body9412:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live9414, label %entry.next9415
+entry.live9414:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t8, i32 0, i32 2
+  call void @finch_str_drop(ptr %t13)
+  br label %entry.next9415
+entry.next9415:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond9411
+n.end9413:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.map_str_bool(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond9416
+n.cond9416:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body9417, label %n.end9418
+n.body9417:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live9419, label %entry.next9420
+entry.live9419:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, i1 }, ptr %t8, i32 0, i32 2
+  br label %entry.next9420
+entry.next9420:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond9416
+n.end9418:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_cimport_Importer(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 0
+  call void @finch.drop.S_cimport_CImports(ptr %t1)
+  %t2 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 3
+  call void @finch.drop.map_str_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.cimport.Importer, ptr %a, i32 0, i32 4
+  call void @finch.drop.map_str_bool(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_ptr(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
   ret void
 }
 
@@ -80747,80 +96999,94 @@ entry:
   %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
-  %a133 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca %S.C.CXUnsavedFile, align 16
-  %a147 = alloca ptr, align 16
-  %a149 = alloca i64, align 16
-  %a162 = alloca i32, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca %S.C.CXUnsavedFile, align 16
+  %a148 = alloca ptr, align 16
+  %a150 = alloca i64, align 16
+  %a163 = alloca i32, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
   %a177 = alloca { ptr, i64, i64 }, align 16
   %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
   %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
   %a182 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca i64, align 16
-  %a190 = alloca i64, align 16
-  %a197 = alloca ptr, align 16
-  %a203 = alloca [32 x i8], align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
+  %a184 = alloca { ptr, i64, i64 }, align 16
+  %a185 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca i64, align 16
+  %a193 = alloca i64, align 16
+  %a200 = alloca ptr, align 16
+  %a206 = alloca [32 x i8], align 16
   %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a225 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
+  %a227 = alloca { ptr, i64, i64 }, align 16
+  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a230 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a247 = alloca { ptr, i64, i64 }, align 16
   %a249 = alloca { ptr, i64, i64 }, align 16
   %a250 = alloca { ptr, i64, i64 }, align 16
   %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
   %a256 = alloca { ptr, i64, i64 }, align 16
   %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a261 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
   %a263 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
   %a267 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
   %a272 = alloca { ptr, i64, i64 }, align 16
   %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
   %a275 = alloca { ptr, i64, i64 }, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
   %a282 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
   %a284 = alloca { ptr, i64, i64 }, align 16
-  %a288 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca { ptr, i64, i64 }, align 16
+  %a286 = alloca { ptr, i64, i64 }, align 16
+  %a287 = alloca { ptr, i64, i64 }, align 16
   %a292 = alloca { ptr, i64, i64 }, align 16
   %a293 = alloca { ptr, i64, i64 }, align 16
   %a294 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
   %a298 = alloca { ptr, i64, i64 }, align 16
   %a299 = alloca { ptr, i64, i64 }, align 16
+  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
+  %a303 = alloca { ptr, i64, i64 }, align 16
+  %a304 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
   %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca %S.C.CXCursor, align 16
-  %a316 = alloca %S.C.CXCursor, align 16
-  %a324 = alloca %S.cimport.CImports, align 16
-  %a325 = alloca %S.cimport.CImports, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
+  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a328 = alloca %S.C.CXCursor, align 16
+  %a331 = alloca %S.C.CXCursor, align 16
+  %a339 = alloca %S.cimport.CImports, align 16
+  %a340 = alloca %S.cimport.CImports, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -80830,25 +97096,26 @@ entry:
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = icmp eq i64 %t8, 0
-  br i1 %t9, label %then8926, label %endif8928
-then8926:
+  br i1 %t9, label %then9408, label %endif9410
+then9408:
   %t10 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 0
   %t11 = load %S.cimport.CImports, ptr %t10
   store %S.cimport.CImports %t11, ptr %a12
   call void @finch.copy.S_cimport_CImports(ptr %a13, ptr %a12)
   %t14 = load %S.cimport.CImports, ptr %a13
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
   %t15 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t16 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t15, %S.cimport.CImports %t14, 1
   ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t16
-endif8928:
+endif9410:
   %t17 = mul i64 3, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t18 = call ptr @finch_alloc(i64 %t17)
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 0
-  store { ptr, i64, i64 } { ptr @.str.6173, i64 2, i64 0 }, ptr %t19
+  store { ptr, i64, i64 } { ptr @.str.6392, i64 2, i64 0 }, ptr %t19
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 1
-  store { ptr, i64, i64 } { ptr @.str.6174, i64 1, i64 0 }, ptr %t20
+  store { ptr, i64, i64 } { ptr @.str.6393, i64 1, i64 0 }, ptr %t20
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 2
-  store { ptr, i64, i64 } { ptr @.str.6175, i64 10, i64 0 }, ptr %t21
+  store { ptr, i64, i64 } { ptr @.str.6394, i64 10, i64 0 }, ptr %t21
   %t22 = insertvalue { ptr, i64, i64 } undef, ptr %t18, 0
   %t23 = insertvalue { ptr, i64, i64 } %t22, i64 3, 1
   %t24 = insertvalue { ptr, i64, i64 } %t23, i64 3, 2
@@ -80856,11 +97123,11 @@ endif8928:
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t27 = load i64, ptr %t26
   %t28 = icmp sgt i64 %t27, 0
-  br i1 %t28, label %then8929, label %endif8931
-then8929:
+  br i1 %t28, label %then9421, label %endif9423
+then9421:
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t30 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6176, i64 9, i64 0 }, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.6395, i64 9, i64 0 }, ptr %a32
   store { ptr, i64, i64 } %t30, ptr %a33
   call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
   %t34 = load { ptr, i64, i64 }, ptr %a31
@@ -80871,37 +97138,37 @@ then8929:
   %t38 = getelementptr inbounds { ptr, i64, i64 }, ptr %t37, i64 %t35
   store { ptr, i64, i64 } %t34, ptr %t38
   store i64 %t36, ptr %t29
-  br label %endif8931
-endif8931:
+  br label %endif9423
+endif9423:
   %t39 = load i1, ptr %a4
-  br i1 %t39, label %then8932, label %endif8934
-then8932:
+  br i1 %t39, label %then9424, label %endif9426
+then9424:
   %t40 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t41 = load i64, ptr %t40
   %t42 = add i64 %t41, 1
   call void @finch_arr_reserve(ptr %a25, i64 %t42, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t43 = load ptr, ptr %a25
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
-  store { ptr, i64, i64 } { ptr @.str.6177, i64 19, i64 0 }, ptr %t44
+  store { ptr, i64, i64 } { ptr @.str.6396, i64 19, i64 0 }, ptr %t44
   store i64 %t42, ptr %t40
-  br label %endif8934
-endif8934:
+  br label %endif9426
+endif9426:
   store i64 0, ptr %a45
-  br label %each.cond8935
-each.cond8935:
+  br label %each.cond9427
+each.cond9427:
   %t46 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = load i64, ptr %a45
   %t49 = icmp slt i64 %t48, %t47
-  br i1 %t49, label %each.body8936, label %each.end8938
-each.body8936:
+  br i1 %t49, label %each.body9428, label %each.end9430
+each.body9428:
   %t50 = load ptr, ptr %a2
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %t50, i64 %t48
   %t52 = load { ptr, i64, i64 }, ptr %t51
   store { ptr, i64, i64 } %t52, ptr %a53
   %t54 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t55 = load { ptr, i64, i64 }, ptr %a53
-  store { ptr, i64, i64 } { ptr @.str.6178, i64 2, i64 0 }, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.6397, i64 2, i64 0 }, ptr %a57
   store { ptr, i64, i64 } %t55, ptr %a58
   call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
   %t59 = load { ptr, i64, i64 }, ptr %a56
@@ -80912,25 +97179,25 @@ each.body8936:
   %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t62, i64 %t60
   store { ptr, i64, i64 } %t59, ptr %t63
   store i64 %t61, ptr %t54
-  br label %each.step8937
-each.step8937:
+  br label %each.step9429
+each.step9429:
   %t64 = load i64, ptr %a45
   %t65 = add i64 %t64, 1
   store i64 %t65, ptr %a45
-  br label %each.cond8935
-each.end8938:
+  br label %each.cond9427
+each.end9430:
   %t66 = load { ptr, i64, i64 }, ptr %a5
   %t67 = call { ptr, i64, i64 } @finch.cimport.systemIncludeArgs({ ptr, i64, i64 } %t66)
   store { ptr, i64, i64 } %t67, ptr %a68
   store i64 0, ptr %a69
-  br label %each.cond8939
-each.cond8939:
+  br label %each.cond9431
+each.cond9431:
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %a68, i32 0, i32 1
   %t71 = load i64, ptr %t70
   %t72 = load i64, ptr %a69
   %t73 = icmp slt i64 %t72, %t71
-  br i1 %t73, label %each.body8940, label %each.end8942
-each.body8940:
+  br i1 %t73, label %each.body9432, label %each.end9434
+each.body9432:
   %t74 = load ptr, ptr %a68
   %t75 = getelementptr inbounds { ptr, i64, i64 }, ptr %t74, i64 %t72
   %t76 = load { ptr, i64, i64 }, ptr %t75
@@ -80947,39 +97214,40 @@ each.body8940:
   %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i64 %t83
   store { ptr, i64, i64 } %t82, ptr %t86
   store i64 %t84, ptr %t78
-  br label %each.step8941
-each.step8941:
+  br label %each.step9433
+each.step9433:
   %t87 = load i64, ptr %a69
   %t88 = add i64 %t87, 1
   store i64 %t88, ptr %a69
-  br label %each.cond8939
-each.end8942:
+  br label %each.cond9431
+each.end9434:
+  call void @finch.drop.arr_str(ptr %a68)
   store { ptr, i64, i64 } zeroinitializer, ptr %a89
   %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a25, i32 0, i32 1
   %t91 = load i64, ptr %t90
   store i64 0, ptr %a92
-  br label %for.cond8943
-for.cond8943:
+  br label %for.cond9435
+for.cond9435:
   %t93 = load i64, ptr %a92
   %t94 = icmp slt i64 %t93, %t91
-  br i1 %t94, label %for.body8944, label %for.end8946
-for.body8944:
+  br i1 %t94, label %for.body9436, label %for.end9438
+for.body9436:
   %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a89, i32 0, i32 1
   %t96 = load i64, ptr %a92
   %t97 = load { ptr, i64, i64 }, ptr %a25
   %t98 = extractvalue { ptr, i64, i64 } %t97, 1
   %t99 = icmp uge i64 %t96, %t98
-  br i1 %t99, label %range8947, label %inrange8948
-range8947:
-  call void @finch_panic_index(ptr @.str.6179, i64 528, i64 %t96, i64 %t98)
+  br i1 %t99, label %range9439, label %inrange9440
+range9439:
+  call void @finch_panic_index(ptr @.str.6398, i64 532, i64 %t96, i64 %t98)
   unreachable
-inrange8948:
+inrange9440:
   %t100 = extractvalue { ptr, i64, i64 } %t97, 0
   %t101 = getelementptr inbounds { ptr, i64, i64 }, ptr %t100, i64 %t96
   %t102 = load { ptr, i64, i64 }, ptr %t101
   %t103 = extractvalue { ptr, i64, i64 } %t102, 0
   %t104 = icmp eq ptr %t103, null
-  %t105 = select i1 %t104, ptr @.str.6180, ptr %t103
+  %t105 = select i1 %t104, ptr @.str.6399, ptr %t103
   %t106 = load i64, ptr %t95
   %t107 = add i64 %t106, 1
   call void @finch_arr_reserve(ptr %a89, i64 %t107, i64 ptrtoint (ptr getelementptr (ptr, ptr null, i32 1) to i64))
@@ -80987,277 +97255,684 @@ inrange8948:
   %t109 = getelementptr inbounds ptr, ptr %t108, i64 %t106
   store ptr %t105, ptr %t109
   store i64 %t107, ptr %t95
-  br label %for.step8945
-for.step8945:
+  br label %for.step9437
+for.step9437:
   %t110 = load i64, ptr %a92
   %t111 = add i64 %t110, 1
   store i64 %t111, ptr %a92
-  br label %for.cond8943
-for.end8946:
+  br label %for.cond9435
+for.end9438:
   %t112 = call ptr @clang_createIndex(i32 0, i32 0)
   store ptr %t112, ptr %a113
   store i64 0, ptr %a114
-  br label %each.cond8949
-each.cond8949:
+  br label %each.cond9441
+each.cond9441:
   %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t116 = load i64, ptr %t115
   %t117 = load i64, ptr %a114
   %t118 = icmp slt i64 %t117, %t116
-  br i1 %t118, label %each.body8950, label %each.end8952
-each.body8950:
+  br i1 %t118, label %each.body9442, label %each.end9444
+each.body9442:
   %t119 = load ptr, ptr %a1
   %t120 = getelementptr inbounds %S.cimport.Header, ptr %t119, i64 %t117
   %t121 = load %S.cimport.Header, ptr %t120
   store %S.cimport.Header %t121, ptr %a122
   %t123 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
   %t124 = load { ptr, i64, i64 }, ptr %t123
-  store { ptr, i64, i64 } { ptr @.str.6181, i64 10, i64 0 }, ptr %a126
+  store { ptr, i64, i64 } { ptr @.str.6400, i64 10, i64 0 }, ptr %a126
   store { ptr, i64, i64 } %t124, ptr %a127
   call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
   %t128 = load { ptr, i64, i64 }, ptr %a125
   store { ptr, i64, i64 } %t128, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.6182, i64 2, i64 0 }, ptr %a131
+  store { ptr, i64, i64 } { ptr @.str.6401, i64 2, i64 0 }, ptr %a131
   call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
-  %t132 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t132, ptr %a133
-  %t134 = extractvalue { ptr, i64, i64 } { ptr @.str.6183, i64 14, i64 0 }, 0
-  %t135 = icmp eq ptr %t134, null
-  %t136 = select i1 %t135, ptr @.str.6184, ptr %t134
-  %t137 = insertvalue %S.C.CXUnsavedFile zeroinitializer, ptr %t136, 0
-  %t138 = load { ptr, i64, i64 }, ptr %a133
-  %t139 = extractvalue { ptr, i64, i64 } %t138, 0
-  %t140 = icmp eq ptr %t139, null
-  %t141 = select i1 %t140, ptr @.str.6185, ptr %t139
-  %t142 = insertvalue %S.C.CXUnsavedFile %t137, ptr %t141, 1
-  %t143 = getelementptr inbounds { ptr, i64, i64 }, ptr %a133, i32 0, i32 1
-  %t144 = load i64, ptr %t143
-  %t145 = insertvalue %S.C.CXUnsavedFile %t142, i64 %t144, 2
-  store %S.C.CXUnsavedFile %t145, ptr %a146
-  store ptr null, ptr %a147
-  %t148 = or i64 1, 64
-  store i64 %t148, ptr %a149
-  %t150 = load ptr, ptr %a113
-  %t151 = extractvalue { ptr, i64, i64 } { ptr @.str.6186, i64 14, i64 0 }, 0
-  %t152 = icmp eq ptr %t151, null
-  %t153 = select i1 %t152, ptr @.str.6187, ptr %t151
-  %t154 = load { ptr, i64, i64 }, ptr %a89
-  %t155 = extractvalue { ptr, i64, i64 } %t154, 0
-  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %a89, i32 0, i32 1
-  %t157 = load i64, ptr %t156
-  %t158 = trunc i64 %t157 to i32
-  %t159 = load i64, ptr %a149
-  %t160 = trunc i64 %t159 to i32
-  %t161 = call i32 @clang_parseTranslationUnit2(ptr %t150, ptr %t153, ptr %t155, i32 %t158, ptr %a146, i32 1, i32 %t160, ptr %a147)
-  store i32 %t161, ptr %a162
-  %t163 = load i32, ptr %a162
-  %t164 = icmp ne i32 %t163, 0
-  br label %logic.from8953
-logic.from8953:
-  br i1 %t164, label %logic.end8955, label %logic.rhs8954
-logic.rhs8954:
-  %t165 = load ptr, ptr %a147
-  %t166 = icmp eq ptr %t165, null
-  br label %logic.rend8956
-logic.rend8956:
-  br label %logic.end8955
-logic.end8955:
-  %t167 = phi i1 [ true, %logic.from8953 ], [ %t166, %logic.rend8956 ]
-  br i1 %t167, label %then8957, label %endif8959
-then8957:
-  %t168 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t169 = load { ptr, i64, i64 }, ptr %t168
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.6188, i64 33, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  store { ptr, i64, i64 } %t173, ptr %a177
-  store { ptr, i64, i64 } %t175, ptr %a178
-  call void @finch_str_concat(ptr %a176, ptr %a177, ptr %a178)
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  store { ptr, i64, i64 } %t179, ptr %a181
-  store { ptr, i64, i64 } { ptr @.str.6189, i64 1, i64 0 }, ptr %a182
-  call void @finch_str_concat(ptr %a180, ptr %a181, ptr %a182)
-  %t183 = load { ptr, i64, i64 }, ptr %a180
-  %t184 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t183, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t184
-endif8959:
-  %t185 = load ptr, ptr %a147
-  %t186 = call i32 @clang_getNumDiagnostics(ptr %t185)
-  %t187 = zext i32 %t186 to i64
-  store i64 %t187, ptr %a188
-  %t189 = load i64, ptr %a188
-  store i64 0, ptr %a190
-  br label %for.cond8960
-for.cond8960:
-  %t191 = load i64, ptr %a190
-  %t192 = icmp slt i64 %t191, %t189
-  br i1 %t192, label %for.body8961, label %for.end8963
-for.body8961:
-  %t193 = load ptr, ptr %a147
-  %t194 = load i64, ptr %a190
-  %t195 = trunc i64 %t194 to i32
-  %t196 = call ptr @clang_getDiagnostic(ptr %t193, i32 %t195)
-  store ptr %t196, ptr %a197
-  %t198 = load ptr, ptr %a197
-  %t199 = call i32 @clang_getDiagnosticSeverity(ptr %t198)
-  %t200 = icmp sge i32 %t199, 3
-  br i1 %t200, label %then8964, label %endif8966
-then8964:
-  %t201 = load ptr, ptr %a197
-  %t202 = call { i64, i64 } @clang_getDiagnosticSpelling(ptr %t201)
-  store { i64, i64 } %t202, ptr %a203
-  %t204 = load %S.C.CXString, ptr %a203
-  %t205 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t204)
-  store { ptr, i64, i64 } %t205, ptr %a206
-  %t207 = load ptr, ptr %a197
-  call void @clang_disposeDiagnostic(ptr %t207)
-  %t208 = load { ptr, i64, i64 }, ptr %a206
+  store { ptr, i64, i64 } %t128, ptr %a132
+  call void @finch_str_drop(ptr %a132)
+  %t133 = load { ptr, i64, i64 }, ptr %a129
+  store { ptr, i64, i64 } %t133, ptr %a134
+  %t135 = extractvalue { ptr, i64, i64 } { ptr @.str.6402, i64 14, i64 0 }, 0
+  %t136 = icmp eq ptr %t135, null
+  %t137 = select i1 %t136, ptr @.str.6403, ptr %t135
+  %t138 = insertvalue %S.C.CXUnsavedFile zeroinitializer, ptr %t137, 0
+  %t139 = load { ptr, i64, i64 }, ptr %a134
+  %t140 = extractvalue { ptr, i64, i64 } %t139, 0
+  %t141 = icmp eq ptr %t140, null
+  %t142 = select i1 %t141, ptr @.str.6404, ptr %t140
+  %t143 = insertvalue %S.C.CXUnsavedFile %t138, ptr %t142, 1
+  %t144 = getelementptr inbounds { ptr, i64, i64 }, ptr %a134, i32 0, i32 1
+  %t145 = load i64, ptr %t144
+  %t146 = insertvalue %S.C.CXUnsavedFile %t143, i64 %t145, 2
+  store %S.C.CXUnsavedFile %t146, ptr %a147
+  store ptr null, ptr %a148
+  %t149 = or i64 1, 64
+  store i64 %t149, ptr %a150
+  %t151 = load ptr, ptr %a113
+  %t152 = extractvalue { ptr, i64, i64 } { ptr @.str.6405, i64 14, i64 0 }, 0
+  %t153 = icmp eq ptr %t152, null
+  %t154 = select i1 %t153, ptr @.str.6406, ptr %t152
+  %t155 = load { ptr, i64, i64 }, ptr %a89
+  %t156 = extractvalue { ptr, i64, i64 } %t155, 0
+  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %a89, i32 0, i32 1
+  %t158 = load i64, ptr %t157
+  %t159 = trunc i64 %t158 to i32
+  %t160 = load i64, ptr %a150
+  %t161 = trunc i64 %t160 to i32
+  %t162 = call i32 @clang_parseTranslationUnit2(ptr %t151, ptr %t154, ptr %t156, i32 %t159, ptr %a147, i32 1, i32 %t161, ptr %a148)
+  store i32 %t162, ptr %a163
+  %t164 = load i32, ptr %a163
+  %t165 = icmp ne i32 %t164, 0
+  br label %logic.from9445
+logic.from9445:
+  br i1 %t165, label %logic.end9447, label %logic.rhs9446
+logic.rhs9446:
+  %t166 = load ptr, ptr %a148
+  %t167 = icmp eq ptr %t166, null
+  br label %logic.rend9448
+logic.rend9448:
+  br label %logic.end9447
+logic.end9447:
+  %t168 = phi i1 [ true, %logic.from9445 ], [ %t167, %logic.rend9448 ]
+  br i1 %t168, label %then9449, label %endif9451
+then9449:
+  %t169 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t170 = load { ptr, i64, i64 }, ptr %t169
+  store { ptr, i64, i64 } %t170, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.6407, i64 33, i64 0 }, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  %t174 = load { ptr, i64, i64 }, ptr %a171
+  %t175 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t176 = load { ptr, i64, i64 }, ptr %t175
+  store { ptr, i64, i64 } %t174, ptr %a178
+  store { ptr, i64, i64 } %t176, ptr %a179
+  call void @finch_str_concat(ptr %a177, ptr %a178, ptr %a179)
+  store { ptr, i64, i64 } %t174, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a177
+  store { ptr, i64, i64 } %t181, ptr %a183
+  store { ptr, i64, i64 } { ptr @.str.6408, i64 1, i64 0 }, ptr %a184
+  call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
+  store { ptr, i64, i64 } %t181, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a182
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t187 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t186, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t187
+endif9451:
+  %t188 = load ptr, ptr %a148
+  %t189 = call i32 @clang_getNumDiagnostics(ptr %t188)
+  %t190 = zext i32 %t189 to i64
+  store i64 %t190, ptr %a191
+  %t192 = load i64, ptr %a191
+  store i64 0, ptr %a193
+  br label %for.cond9452
+for.cond9452:
+  %t194 = load i64, ptr %a193
+  %t195 = icmp slt i64 %t194, %t192
+  br i1 %t195, label %for.body9453, label %for.end9455
+for.body9453:
+  %t196 = load ptr, ptr %a148
+  %t197 = load i64, ptr %a193
+  %t198 = trunc i64 %t197 to i32
+  %t199 = call ptr @clang_getDiagnostic(ptr %t196, i32 %t198)
+  store ptr %t199, ptr %a200
+  %t201 = load ptr, ptr %a200
+  %t202 = call i32 @clang_getDiagnosticSeverity(ptr %t201)
+  %t203 = icmp sge i32 %t202, 3
+  br i1 %t203, label %then9456, label %endif9458
+then9456:
+  %t204 = load ptr, ptr %a200
+  %t205 = call { i64, i64 } @clang_getDiagnosticSpelling(ptr %t204)
+  store { i64, i64 } %t205, ptr %a206
+  %t207 = load %S.C.CXString, ptr %a206
+  %t208 = call { ptr, i64, i64 } @finch.cimport.text(%S.C.CXString %t207)
   store { ptr, i64, i64 } %t208, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.6191, i64 14, i64 0 }, ptr %a211
-  %t212 = call i64 @finch_str_find(ptr %a209, ptr %a211)
-  %t213 = icmp sge i64 %t212, 0
-  br i1 %t213, label %then8967, label %endif8969
-then8967:
-  %t214 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t214, ptr %a215
-  %t217 = load { ptr, i64, i64 }, ptr %a206
+  %t210 = load ptr, ptr %a200
+  call void @clang_disposeDiagnostic(ptr %t210)
+  %t211 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t211, ptr %a212
+  store { ptr, i64, i64 } { ptr @.str.6410, i64 14, i64 0 }, ptr %a214
+  %t215 = call i64 @finch_str_find(ptr %a212, ptr %a214)
+  %t216 = icmp sge i64 %t215, 0
+  br i1 %t216, label %then9459, label %endif9461
+then9459:
+  %t217 = load { ptr, i64, i64 }, ptr %a209
   store { ptr, i64, i64 } %t217, ptr %a218
-  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %a206, i32 0, i32 1
-  %t221 = load i64, ptr %t220
-  call void @finch_str_sub(ptr %a219, ptr %a218, i64 1, i64 %t221, ptr @.str.6193, i64 548)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  store { ptr, i64, i64 } %t222, ptr %a223
-  store { ptr, i64, i64 } { ptr @.str.6195, i64 1, i64 0 }, ptr %a225
-  %t226 = call i64 @finch_str_find(ptr %a223, ptr %a225)
-  %t227 = add i64 %t226, 1
-  call void @finch_str_sub(ptr %a216, ptr %a215, i64 1, i64 %t227, ptr @.str.6192, i64 548)
-  %t228 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t228, ptr %a229
-  %t230 = load { ptr, i64, i64 }, ptr %a229
-  %t231 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t232 = load { ptr, i64, i64 }, ptr %t231
-  store { ptr, i64, i64 } %t230, ptr %a233
-  store { ptr, i64, i64 } %t232, ptr %a234
-  %t235 = call i32 @finch_str_eq(ptr %a233, ptr %a234)
-  %t236 = icmp ne i32 %t235, 0
-  br i1 %t236, label %then8970, label %endif8972
-then8970:
-  %t237 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %t237
-  store { ptr, i64, i64 } %t238, ptr %a240
-  store { ptr, i64, i64 } { ptr @.str.6196, i64 34, i64 0 }, ptr %a241
-  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
-  %t242 = load { ptr, i64, i64 }, ptr %a239
-  %t243 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t244 = load { ptr, i64, i64 }, ptr %t243
-  store { ptr, i64, i64 } %t242, ptr %a246
-  store { ptr, i64, i64 } %t244, ptr %a247
-  call void @finch_str_concat(ptr %a245, ptr %a246, ptr %a247)
-  %t248 = load { ptr, i64, i64 }, ptr %a245
-  store { ptr, i64, i64 } %t248, ptr %a250
-  store { ptr, i64, i64 } { ptr @.str.6197, i64 1, i64 0 }, ptr %a251
+  %t220 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t220, ptr %a221
+  %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %a209, i32 0, i32 1
+  %t224 = load i64, ptr %t223
+  call void @finch_str_sub(ptr %a222, ptr %a221, i64 1, i64 %t224, ptr @.str.6412, i64 552)
+  %t225 = load { ptr, i64, i64 }, ptr %a222
+  store { ptr, i64, i64 } %t225, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.6414, i64 1, i64 0 }, ptr %a228
+  %t229 = call i64 @finch_str_find(ptr %a226, ptr %a228)
+  store { ptr, i64, i64 } %t225, ptr %a230
+  call void @finch_str_drop(ptr %a230)
+  %t231 = add i64 %t229, 1
+  call void @finch_str_sub(ptr %a219, ptr %a218, i64 1, i64 %t231, ptr @.str.6411, i64 552)
+  %t232 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t232, ptr %a233
+  %t234 = load { ptr, i64, i64 }, ptr %a233
+  %t235 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t236 = load { ptr, i64, i64 }, ptr %t235
+  store { ptr, i64, i64 } %t234, ptr %a237
+  store { ptr, i64, i64 } %t236, ptr %a238
+  %t239 = call i32 @finch_str_eq(ptr %a237, ptr %a238)
+  %t240 = icmp ne i32 %t239, 0
+  br i1 %t240, label %then9462, label %endif9464
+then9462:
+  %t241 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a244
+  store { ptr, i64, i64 } { ptr @.str.6415, i64 34, i64 0 }, ptr %a245
+  call void @finch_str_concat(ptr %a243, ptr %a244, ptr %a245)
+  %t246 = load { ptr, i64, i64 }, ptr %a243
+  %t247 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t248 = load { ptr, i64, i64 }, ptr %t247
+  store { ptr, i64, i64 } %t246, ptr %a250
+  store { ptr, i64, i64 } %t248, ptr %a251
   call void @finch_str_concat(ptr %a249, ptr %a250, ptr %a251)
-  %t252 = load { ptr, i64, i64 }, ptr %a249
-  %t253 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t252, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t253
-endif8972:
-  %t254 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t255 = load { ptr, i64, i64 }, ptr %t254
-  store { ptr, i64, i64 } %t255, ptr %a257
-  store { ptr, i64, i64 } { ptr @.str.6198, i64 34, i64 0 }, ptr %a258
-  call void @finch_str_concat(ptr %a256, ptr %a257, ptr %a258)
-  %t259 = load { ptr, i64, i64 }, ptr %a256
-  %t260 = load { ptr, i64, i64 }, ptr %a229
-  store { ptr, i64, i64 } %t259, ptr %a262
-  store { ptr, i64, i64 } %t260, ptr %a263
-  call void @finch_str_concat(ptr %a261, ptr %a262, ptr %a263)
-  %t264 = load { ptr, i64, i64 }, ptr %a261
-  store { ptr, i64, i64 } %t264, ptr %a266
-  store { ptr, i64, i64 } { ptr @.str.6199, i64 10, i64 0 }, ptr %a267
-  call void @finch_str_concat(ptr %a265, ptr %a266, ptr %a267)
-  %t268 = load { ptr, i64, i64 }, ptr %a265
-  %t269 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t270 = load { ptr, i64, i64 }, ptr %t269
-  store { ptr, i64, i64 } %t268, ptr %a272
-  store { ptr, i64, i64 } %t270, ptr %a273
-  call void @finch_str_concat(ptr %a271, ptr %a272, ptr %a273)
-  %t274 = load { ptr, i64, i64 }, ptr %a271
-  store { ptr, i64, i64 } %t274, ptr %a276
-  store { ptr, i64, i64 } { ptr @.str.6200, i64 60, i64 0 }, ptr %a277
-  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
-  %t278 = load { ptr, i64, i64 }, ptr %a275
-  %t279 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t278, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t279
-endif8969:
-  %t280 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
-  %t281 = load { ptr, i64, i64 }, ptr %t280
-  store { ptr, i64, i64 } %t281, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.6201, i64 19, i64 0 }, ptr %a284
-  call void @finch_str_concat(ptr %a282, ptr %a283, ptr %a284)
-  %t285 = load { ptr, i64, i64 }, ptr %a282
-  %t286 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t287 = load { ptr, i64, i64 }, ptr %t286
-  store { ptr, i64, i64 } %t285, ptr %a289
-  store { ptr, i64, i64 } %t287, ptr %a290
-  call void @finch_str_concat(ptr %a288, ptr %a289, ptr %a290)
-  %t291 = load { ptr, i64, i64 }, ptr %a288
+  store { ptr, i64, i64 } %t246, ptr %a252
+  call void @finch_str_drop(ptr %a252)
+  %t253 = load { ptr, i64, i64 }, ptr %a249
+  store { ptr, i64, i64 } %t253, ptr %a255
+  store { ptr, i64, i64 } { ptr @.str.6416, i64 1, i64 0 }, ptr %a256
+  call void @finch_str_concat(ptr %a254, ptr %a255, ptr %a256)
+  store { ptr, i64, i64 } %t253, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  %t258 = load { ptr, i64, i64 }, ptr %a254
+  call void @finch_str_drop(ptr %a233)
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t259 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t258, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t259
+endif9464:
+  %t260 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t261 = load { ptr, i64, i64 }, ptr %t260
+  store { ptr, i64, i64 } %t261, ptr %a263
+  store { ptr, i64, i64 } { ptr @.str.6417, i64 34, i64 0 }, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a262
+  %t266 = load { ptr, i64, i64 }, ptr %a233
+  store { ptr, i64, i64 } %t265, ptr %a268
+  store { ptr, i64, i64 } %t266, ptr %a269
+  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
+  store { ptr, i64, i64 } %t265, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a267
+  store { ptr, i64, i64 } %t271, ptr %a273
+  store { ptr, i64, i64 } { ptr @.str.6418, i64 10, i64 0 }, ptr %a274
+  call void @finch_str_concat(ptr %a272, ptr %a273, ptr %a274)
+  store { ptr, i64, i64 } %t271, ptr %a275
+  call void @finch_str_drop(ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a272
+  %t277 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t278 = load { ptr, i64, i64 }, ptr %t277
+  store { ptr, i64, i64 } %t276, ptr %a280
+  store { ptr, i64, i64 } %t278, ptr %a281
+  call void @finch_str_concat(ptr %a279, ptr %a280, ptr %a281)
+  store { ptr, i64, i64 } %t276, ptr %a282
+  call void @finch_str_drop(ptr %a282)
+  %t283 = load { ptr, i64, i64 }, ptr %a279
+  store { ptr, i64, i64 } %t283, ptr %a285
+  store { ptr, i64, i64 } { ptr @.str.6419, i64 60, i64 0 }, ptr %a286
+  call void @finch_str_concat(ptr %a284, ptr %a285, ptr %a286)
+  store { ptr, i64, i64 } %t283, ptr %a287
+  call void @finch_str_drop(ptr %a287)
+  %t288 = load { ptr, i64, i64 }, ptr %a284
+  call void @finch_str_drop(ptr %a233)
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t289 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t288, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t289
+endif9461:
+  %t290 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 1
+  %t291 = load { ptr, i64, i64 }, ptr %t290
   store { ptr, i64, i64 } %t291, ptr %a293
-  store { ptr, i64, i64 } { ptr @.str.6202, i64 16, i64 0 }, ptr %a294
+  store { ptr, i64, i64 } { ptr @.str.6420, i64 19, i64 0 }, ptr %a294
   call void @finch_str_concat(ptr %a292, ptr %a293, ptr %a294)
   %t295 = load { ptr, i64, i64 }, ptr %a292
-  %t296 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t295, ptr %a298
-  store { ptr, i64, i64 } %t296, ptr %a299
-  call void @finch_str_concat(ptr %a297, ptr %a298, ptr %a299)
-  %t300 = load { ptr, i64, i64 }, ptr %a297
-  %t301 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t300, 2
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t301
-endif8966:
-  %t302 = load ptr, ptr %a197
-  call void @clang_disposeDiagnostic(ptr %t302)
-  br label %for.step8962
-for.step8962:
-  %t303 = load i64, ptr %a190
-  %t304 = add i64 %t303, 1
-  store i64 %t304, ptr %a190
-  br label %for.cond8960
-for.end8963:
-  %t305 = load ptr, ptr %a147
-  %t306 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 1
-  store ptr %t305, ptr %t306
-  %t307 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
-  %t308 = load { ptr, i64, i64 }, ptr %t307
-  %t309 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 2
-  store { ptr, i64, i64 } %t308, ptr %a310
-  call void @finch_str_copy(ptr %a311, ptr %a310)
-  %t312 = load { ptr, i64, i64 }, ptr %a311
-  store { ptr, i64, i64 } %t312, ptr %t309
-  %t314 = load ptr, ptr %a147
-  call void @clang_getTranslationUnitCursor(ptr sret(%S.C.CXCursor) align 16 %a313, ptr %t314)
-  %t315 = load %S.C.CXCursor, ptr %a313
-  store %S.C.CXCursor %t315, ptr %a316
-  %t317 = call i32 @clang_visitChildren(ptr byval(%S.C.CXCursor) align 8 %a316, ptr @finch.c.cimport.visitTop, ptr %a6)
-  %t318 = load ptr, ptr %a147
-  call void @clang_disposeTranslationUnit(ptr %t318)
-  br label %each.step8951
-each.step8951:
-  %t319 = load i64, ptr %a114
-  %t320 = add i64 %t319, 1
-  store i64 %t320, ptr %a114
-  br label %each.cond8949
-each.end8952:
-  %t321 = load ptr, ptr %a113
-  call void @clang_disposeIndex(ptr %t321)
-  %t322 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 0
-  %t323 = load %S.cimport.CImports, ptr %t322
-  store %S.cimport.CImports %t323, ptr %a324
-  call void @finch.copy.S_cimport_CImports(ptr %a325, ptr %a324)
-  %t326 = load %S.cimport.CImports, ptr %a325
-  %t327 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t328 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t327, %S.cimport.CImports %t326, 1
-  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t328
+  %t296 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t297 = load { ptr, i64, i64 }, ptr %t296
+  store { ptr, i64, i64 } %t295, ptr %a299
+  store { ptr, i64, i64 } %t297, ptr %a300
+  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
+  store { ptr, i64, i64 } %t295, ptr %a301
+  call void @finch_str_drop(ptr %a301)
+  %t302 = load { ptr, i64, i64 }, ptr %a298
+  store { ptr, i64, i64 } %t302, ptr %a304
+  store { ptr, i64, i64 } { ptr @.str.6421, i64 16, i64 0 }, ptr %a305
+  call void @finch_str_concat(ptr %a303, ptr %a304, ptr %a305)
+  store { ptr, i64, i64 } %t302, ptr %a306
+  call void @finch_str_drop(ptr %a306)
+  %t307 = load { ptr, i64, i64 }, ptr %a303
+  %t308 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t307, ptr %a310
+  store { ptr, i64, i64 } %t308, ptr %a311
+  call void @finch_str_concat(ptr %a309, ptr %a310, ptr %a311)
+  store { ptr, i64, i64 } %t307, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  %t313 = load { ptr, i64, i64 }, ptr %a309
+  call void @finch_str_drop(ptr %a209)
+  call void @finch_str_drop(ptr %a134)
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t314 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t313, 2
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t314
+endif9458:
+  %t315 = load ptr, ptr %a200
+  call void @clang_disposeDiagnostic(ptr %t315)
+  br label %for.step9454
+for.step9454:
+  %t316 = load i64, ptr %a193
+  %t317 = add i64 %t316, 1
+  store i64 %t317, ptr %a193
+  br label %for.cond9452
+for.end9455:
+  %t318 = load ptr, ptr %a148
+  %t319 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 1
+  store ptr %t318, ptr %t319
+  %t320 = getelementptr inbounds %S.cimport.Header, ptr %a122, i32 0, i32 0
+  %t321 = load { ptr, i64, i64 }, ptr %t320
+  %t322 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 2
+  store { ptr, i64, i64 } %t321, ptr %a323
+  call void @finch_str_copy(ptr %a324, ptr %a323)
+  %t325 = load { ptr, i64, i64 }, ptr %a324
+  %t326 = load { ptr, i64, i64 }, ptr %t322
+  store { ptr, i64, i64 } %t325, ptr %t322
+  store { ptr, i64, i64 } %t326, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  %t329 = load ptr, ptr %a148
+  call void @clang_getTranslationUnitCursor(ptr sret(%S.C.CXCursor) align 16 %a328, ptr %t329)
+  %t330 = load %S.C.CXCursor, ptr %a328
+  store %S.C.CXCursor %t330, ptr %a331
+  %t332 = call i32 @clang_visitChildren(ptr byval(%S.C.CXCursor) align 8 %a331, ptr @finch.c.cimport.visitTop, ptr %a6)
+  %t333 = load ptr, ptr %a148
+  call void @clang_disposeTranslationUnit(ptr %t333)
+  call void @finch_str_drop(ptr %a134)
+  br label %each.step9443
+each.step9443:
+  %t334 = load i64, ptr %a114
+  %t335 = add i64 %t334, 1
+  store i64 %t335, ptr %a114
+  br label %each.cond9441
+each.end9444:
+  %t336 = load ptr, ptr %a113
+  call void @clang_disposeIndex(ptr %t336)
+  %t337 = getelementptr inbounds %S.cimport.Importer, ptr %a6, i32 0, i32 0
+  %t338 = load %S.cimport.CImports, ptr %t337
+  store %S.cimport.CImports %t338, ptr %a339
+  call void @finch.copy.S_cimport_CImports(ptr %a340, ptr %a339)
+  %t341 = load %S.cimport.CImports, ptr %a340
+  call void @finch.drop.arr_ptr(ptr %a89)
+  call void @finch.drop.arr_str(ptr %a25)
+  call void @finch.drop.S_cimport_Importer(ptr %a6)
+  %t342 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t343 = insertvalue { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t342, %S.cimport.CImports %t341, 1
+  ret { i1, %S.cimport.CImports, { ptr, i64, i64 } } %t343
+}
+
+define internal { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.6424, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6425, i64 4, i64 0 }, ptr %a6
+  call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
+  %t7 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } { ptr @.str.6422, i64 1, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } %t7, ptr %a10
+  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t12, ptr %a14
+  store { ptr, i64, i64 } { ptr @.str.6426, i64 1, i64 0 }, ptr %a15
+  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  ret { ptr, i64, i64 } %t17
+}
+
+define internal i64 @finch.host.run({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a4
+  call void @finch_str_copy(ptr %a3, ptr %a4)
+  %t5 = call i64 @finch_shell(ptr %a3)
+  call void @finch_str_drop(ptr %a3)
+  ret i64 %t5
+}
+
+define internal { ptr, i64, i64 } @finch.host.nullDevice() {
+entry:
+
+  ret { ptr, i64, i64 } { ptr @.str.6427, i64 9, i64 0 }
+}
+
+define internal { ptr, i64, i64 } @finch.host.tempDir() {
+entry:
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca { ptr, i64, i64 }, align 16
+  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6428, i64 6, i64 0 }, 0
+  %t2 = icmp eq ptr %t1, null
+  %t3 = select i1 %t2, ptr @.str.6429, ptr %t1
+  %t4 = call ptr @getenv(ptr %t3)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a5
+  call void @finch_str_from_c(ptr %a5, ptr %t4)
+  %t6 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t6, ptr %a7
+  call void @finch_str_copy(ptr %a8, ptr %a7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  %t12 = load i64, ptr %t11
+  %t13 = icmp sgt i64 %t12, 0
+  br i1 %t13, label %then9465, label %endif9467
+then9465:
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t14, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.6431, i64 1, i64 0 }, ptr %a17
+  %t18 = call i32 @finch_str_ends(ptr %a15, ptr %a17)
+  %t19 = icmp ne i32 %t18, 0
+  br i1 %t19, label %then9468, label %endif9470
+then9468:
+  %t20 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t20, ptr %a21
+  %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  %t24 = load i64, ptr %t23
+  %t25 = sub i64 %t24, 1
+  call void @finch_str_sub(ptr %a22, ptr %a21, i64 0, i64 %t25, ptr @.str.6432, i64 25)
+  %t26 = load { ptr, i64, i64 }, ptr %a22
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t26
+endif9470:
+  %t27 = load { ptr, i64, i64 }, ptr %a10
+  ret { ptr, i64, i64 } %t27
+endif9467:
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } { ptr @.str.6433, i64 4, i64 0 }
+}
+
+define internal { ptr, i64, i64 } @finch.host.pathSeparator() {
+entry:
+
+  ret { ptr, i64, i64 } { ptr @.str.6434, i64 1, i64 0 }
+}
+
+define internal i64 @finch.host.pid() {
+entry:
+
+  %t1 = call i32 @getpid()
+  %t2 = sext i32 %t1 to i64
+  ret i64 %t2
+}
+
+define internal { ptr, i64, i64 } @finch.host.cwd() {
+entry:
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6435, i64 3, i64 0 }, 0
+  %t2 = icmp eq ptr %t1, null
+  %t3 = select i1 %t2, ptr @.str.6436, ptr %t1
+  %t4 = call ptr @getenv(ptr %t3)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a5
+  call void @finch_str_from_c(ptr %a5, ptr %t4)
+  %t6 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t6, ptr %a7
+  call void @finch_str_copy(ptr %a8, ptr %a7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  ret { ptr, i64, i64 } %t9
+}
+
+define internal { ptr, i64, i64 } @finch.host.cacheDir() {
+entry:
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
+  %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
+  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6437, i64 14, i64 0 }, 0
+  %t2 = icmp eq ptr %t1, null
+  %t3 = select i1 %t2, ptr @.str.6438, ptr %t1
+  %t4 = call ptr @getenv(ptr %t3)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a5
+  call void @finch_str_from_c(ptr %a5, ptr %t4)
+  %t6 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t6, ptr %a7
+  call void @finch_str_copy(ptr %a8, ptr %a7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t9, ptr %a10
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
+  %t12 = load i64, ptr %t11
+  %t13 = icmp sgt i64 %t12, 0
+  br i1 %t13, label %then9471, label %endif9473
+then9471:
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t14, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.6439, i64 6, i64 0 }, ptr %a17
+  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a15
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t18
+endif9473:
+  %t19 = extractvalue { ptr, i64, i64 } { ptr @.str.6440, i64 4, i64 0 }, 0
+  %t20 = icmp eq ptr %t19, null
+  %t21 = select i1 %t20, ptr @.str.6441, ptr %t19
+  %t22 = call ptr @getenv(ptr %t21)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a23
+  call void @finch_str_from_c(ptr %a23, ptr %t22)
+  %t24 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t24, ptr %a25
+  call void @finch_str_copy(ptr %a26, ptr %a25)
+  %t27 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t27, ptr %a28
+  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
+  %t30 = load i64, ptr %t29
+  %t31 = icmp sgt i64 %t30, 0
+  br i1 %t31, label %then9474, label %endif9476
+then9474:
+  %t32 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t32, ptr %a34
+  store { ptr, i64, i64 } { ptr @.str.6442, i64 13, i64 0 }, ptr %a35
+  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
+  %t36 = load { ptr, i64, i64 }, ptr %a33
+  call void @finch_str_drop(ptr %a28)
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t36
+endif9476:
+  %t37 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t37, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.6443, i64 12, i64 0 }, ptr %a40
+  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
+  store { ptr, i64, i64 } %t37, ptr %a41
+  call void @finch_str_drop(ptr %a41)
+  %t42 = load { ptr, i64, i64 }, ptr %a38
+  call void @finch_str_drop(ptr %a28)
+  call void @finch_str_drop(ptr %a10)
+  ret { ptr, i64, i64 } %t42
+}
+
+define internal void @finch.host.binaryStdio() {
+entry:
+
+  ret void
+}
+
+define internal void @finch.host.makeDirs({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  %t3 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t2)
+  store { ptr, i64, i64 } { ptr @.str.6444, i64 9, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t3, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t8, ptr %a10
+  call void @finch_str_copy(ptr %a9, ptr %a10)
+  %t11 = call i64 @finch_shell(ptr %a9)
+  call void @finch_str_drop(ptr %a9)
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  ret void
+}
+
+define internal void @finch.host.remove({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a3 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t2, ptr %a4
+  call void @finch_str_copy(ptr %a3, ptr %a4)
+  %t5 = call i32 @finch_delete_file(ptr %a3)
+  call void @finch_str_drop(ptr %a3)
+  %t6 = icmp ne i32 %t5, 0
+  ret void
+}
+
+define internal void @finch.host.removeTree({ ptr, i64, i64 } %p0) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a4 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  %t2 = load { ptr, i64, i64 }, ptr %a1
+  %t3 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t2)
+  store { ptr, i64, i64 } { ptr @.str.6445, i64 7, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t3, ptr %a6
+  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
+  store { ptr, i64, i64 } %t3, ptr %a7
+  call void @finch_str_drop(ptr %a7)
+  %t8 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t8, ptr %a10
+  call void @finch_str_copy(ptr %a9, ptr %a10)
+  %t11 = call i64 @finch_shell(ptr %a9)
+  call void @finch_str_drop(ptr %a9)
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  ret void
+}
+
+define internal void @finch.host.move({ ptr, i64, i64 } %p0, { ptr, i64, i64 } %p1) {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
+  %a5 = alloca { ptr, i64, i64 }, align 16
+  %a6 = alloca { ptr, i64, i64 }, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } %p0, ptr %a1
+  store { ptr, i64, i64 } %p1, ptr %a2
+  %t3 = load { ptr, i64, i64 }, ptr %a1
+  %t4 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t3)
+  store { ptr, i64, i64 } { ptr @.str.6446, i64 3, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } %t4, ptr %a7
+  call void @finch_str_concat(ptr %a5, ptr %a6, ptr %a7)
+  store { ptr, i64, i64 } %t4, ptr %a8
+  call void @finch_str_drop(ptr %a8)
+  %t9 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t9, ptr %a11
+  store { ptr, i64, i64 } { ptr @.str.6447, i64 1, i64 0 }, ptr %a12
+  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
+  store { ptr, i64, i64 } %t9, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a10
+  %t15 = load { ptr, i64, i64 }, ptr %a2
+  %t16 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t15)
+  store { ptr, i64, i64 } %t14, ptr %a18
+  store { ptr, i64, i64 } %t16, ptr %a19
+  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
+  store { ptr, i64, i64 } %t14, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  store { ptr, i64, i64 } %t16, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a17
+  store { ptr, i64, i64 } %t22, ptr %a24
+  call void @finch_str_copy(ptr %a23, ptr %a24)
+  %t25 = call i64 @finch_shell(ptr %a23)
+  call void @finch_str_drop(ptr %a23)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  call void @finch_str_drop(ptr %a26)
+  ret void
 }
 
 define internal { ptr, i64, i64 } @finch.platform.firstLine({ ptr, i64, i64 } %p0) {
@@ -81270,118 +97945,170 @@ entry:
   %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
   call void @finch_str_trim(ptr %a4, ptr %a3)
   %t5 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t5, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6205, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6450, i64 1, i64 0 }, ptr %a8
   call void @finch_str_split(ptr %a9, ptr %a6, ptr %a8)
   %t10 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t10, ptr %a11
-  %t12 = load { ptr, i64, i64 }, ptr %a11
-  %t13 = extractvalue { ptr, i64, i64 } %t12, 1
-  %t14 = icmp uge i64 0, %t13
-  br i1 %t14, label %range8973, label %inrange8974
-range8973:
-  call void @finch_panic_index(ptr @.str.6206, i64 20, i64 0, i64 %t13)
+  store { ptr, i64, i64 } %t5, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  store { ptr, i64, i64 } %t10, ptr %a12
+  %t13 = load { ptr, i64, i64 }, ptr %a12
+  %t14 = extractvalue { ptr, i64, i64 } %t13, 1
+  %t15 = icmp uge i64 0, %t14
+  br i1 %t15, label %range9477, label %inrange9478
+range9477:
+  call void @finch_panic_index(ptr @.str.6451, i64 21, i64 0, i64 %t14)
   unreachable
-inrange8974:
-  %t15 = extractvalue { ptr, i64, i64 } %t12, 0
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 0
-  %t17 = load { ptr, i64, i64 }, ptr %t16
-  store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_trim(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  ret { ptr, i64, i64 } %t20
+inrange9478:
+  %t16 = extractvalue { ptr, i64, i64 } %t13, 0
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %t16, i64 0
+  %t18 = load { ptr, i64, i64 }, ptr %t17
+  store { ptr, i64, i64 } %t18, ptr %a19
+  call void @finch_str_trim(ptr %a20, ptr %a19)
+  %t21 = load { ptr, i64, i64 }, ptr %a20
+  call void @finch.drop.arr_str(ptr %a12)
+  ret { ptr, i64, i64 } %t21
 }
 
 define internal { ptr, i64, i64 } @finch.platform.hostTriple() {
 entry:
-  %a1 = alloca { ptr, i64, i64 }, align 16
+  %a2 = alloca { ptr, i64, i64 }, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a5 = alloca { ptr, i64, i64 }, align 16
-  %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a32 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
-  store { ptr, i64, i64 } { ptr @.str.6208, i64 21, i64 0 }, ptr %a1
-  %t2 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6209, i64 22, i64 0 }, ptr %a4
-  store { ptr, i64, i64 } %t2, ptr %a5
-  call void @finch_str_concat(ptr %a3, ptr %a4, ptr %a5)
-  %t6 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t6, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6210, i64 14, i64 0 }, ptr %a9
-  call void @finch_str_concat(ptr %a7, ptr %a8, ptr %a9)
-  %t10 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } %t10, ptr %a12
-  call void @finch_str_copy(ptr %a11, ptr %a12)
-  %t13 = call i64 @finch_shell(ptr %a11)
-  %t14 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } zeroinitializer, ptr %a16
-  store { ptr, i64, i64 } zeroinitializer, ptr %a17
-  %t18 = call i32 @finch_try_read_file(ptr %a16, ptr %a15, ptr %a17)
-  %t19 = icmp eq i32 %t18, 0
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  %t21 = load { ptr, i64, i64 }, ptr %a16
-  br i1 %t19, label %or.failed8975, label %or.ok8976
-or.failed8975:
-  store { ptr, i64, i64 } %t20, ptr %a22
-  br label %or.bend8977
-or.bend8977:
-  br label %or.end8978
-or.ok8976:
-  br label %or.end8978
-or.end8978:
-  %t23 = phi { ptr, i64, i64 } [ { ptr @.str.6211, i64 0, i64 0 }, %or.bend8977 ], [ %t21, %or.ok8976 ]
-  store { ptr, i64, i64 } %t23, ptr %a24
-  %t25 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6212, i64 7, i64 0 }, ptr %a27
-  store { ptr, i64, i64 } %t25, ptr %a28
-  call void @finch_str_concat(ptr %a26, ptr %a27, ptr %a28)
-  %t29 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t29, ptr %a31
-  store { ptr, i64, i64 } { ptr @.str.6213, i64 1, i64 0 }, ptr %a32
-  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
-  %t33 = load { ptr, i64, i64 }, ptr %a30
-  store { ptr, i64, i64 } %t33, ptr %a35
-  call void @finch_str_copy(ptr %a34, ptr %a35)
-  %t36 = call i64 @finch_shell(ptr %a34)
-  %t37 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t37, ptr %a38
-  call void @finch_str_trim(ptr %a39, ptr %a38)
-  %t40 = load { ptr, i64, i64 }, ptr %a39
-  %t41 = extractvalue { ptr, i64, i64 } %t40, 1
-  %t42 = icmp eq i64 %t41, 0
-  br i1 %t42, label %then8979, label %endif8981
-then8979:
-  ret { ptr, i64, i64 } { ptr @.str.6215, i64 24, i64 0 }
-endif8981:
-  %t43 = load { ptr, i64, i64 }, ptr %a24
-  %t44 = call { ptr, i64, i64 } @finch.platform.firstLine({ ptr, i64, i64 } %t43)
-  ret { ptr, i64, i64 } %t44
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %t1 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t1, ptr %a3
+  store { ptr, i64, i64 } { ptr @.str.6453, i64 14, i64 0 }, ptr %a4
+  call void @finch_str_concat(ptr %a2, ptr %a3, ptr %a4)
+  store { ptr, i64, i64 } %t1, ptr %a5
+  call void @finch_str_drop(ptr %a5)
+  %t6 = load { ptr, i64, i64 }, ptr %a2
+  %t7 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a8, i64 %t7)
+  %t9 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t6, ptr %a11
+  store { ptr, i64, i64 } %t9, ptr %a12
+  call void @finch_str_concat(ptr %a10, ptr %a11, ptr %a12)
+  store { ptr, i64, i64 } %t6, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  store { ptr, i64, i64 } %t9, ptr %a14
+  call void @finch_str_drop(ptr %a14)
+  %t15 = load { ptr, i64, i64 }, ptr %a10
+  store { ptr, i64, i64 } %t15, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.6454, i64 4, i64 0 }, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t15, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = load { ptr, i64, i64 }, ptr %a16
+  store { ptr, i64, i64 } %t20, ptr %a21
+  %t22 = load { ptr, i64, i64 }, ptr %a21
+  %t23 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t22)
+  store { ptr, i64, i64 } { ptr @.str.6455, i64 21, i64 0 }, ptr %a25
+  store { ptr, i64, i64 } %t23, ptr %a26
+  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
+  store { ptr, i64, i64 } %t23, ptr %a27
+  call void @finch_str_drop(ptr %a27)
+  %t28 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t28, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.6456, i64 4, i64 0 }, ptr %a31
+  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
+  store { ptr, i64, i64 } %t28, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  %t34 = call { ptr, i64, i64 } @finch.host.nullDevice()
+  store { ptr, i64, i64 } %t33, ptr %a36
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t33, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  %t41 = call i64 @finch.host.run({ ptr, i64, i64 } %t40)
+  store { ptr, i64, i64 } %t40, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t43, ptr %a44
+  store { ptr, i64, i64 } zeroinitializer, ptr %a45
+  store { ptr, i64, i64 } zeroinitializer, ptr %a46
+  %t47 = call i32 @finch_try_read_file(ptr %a45, ptr %a44, ptr %a46)
+  %t48 = icmp eq i32 %t47, 0
+  %t49 = load { ptr, i64, i64 }, ptr %a46
+  %t50 = load { ptr, i64, i64 }, ptr %a45
+  br i1 %t48, label %or.failed9479, label %or.ok9480
+or.failed9479:
+  store { ptr, i64, i64 } %t49, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %or.bend9481
+or.bend9481:
+  br label %or.end9482
+or.ok9480:
+  br label %or.end9482
+or.end9482:
+  %t52 = phi { ptr, i64, i64 } [ { ptr @.str.6457, i64 0, i64 0 }, %or.bend9481 ], [ %t50, %or.ok9480 ]
+  store { ptr, i64, i64 } %t52, ptr %a53
+  %t54 = load { ptr, i64, i64 }, ptr %a21
+  call void @finch.host.remove({ ptr, i64, i64 } %t54)
+  %t55 = load { ptr, i64, i64 }, ptr %a53
+  store { ptr, i64, i64 } %t55, ptr %a56
+  call void @finch_str_trim(ptr %a57, ptr %a56)
+  %t58 = load { ptr, i64, i64 }, ptr %a57
+  %t59 = extractvalue { ptr, i64, i64 } %t58, 1
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_drop(ptr %a60)
+  %t61 = icmp eq i64 %t59, 0
+  br i1 %t61, label %then9483, label %endif9485
+then9483:
+  call void @finch_str_drop(ptr %a53)
+  call void @finch_str_drop(ptr %a21)
+  ret { ptr, i64, i64 } { ptr @.str.6459, i64 24, i64 0 }
+endif9485:
+  %t62 = load { ptr, i64, i64 }, ptr %a53
+  %t63 = call { ptr, i64, i64 } @finch.platform.firstLine({ ptr, i64, i64 } %t62)
+  call void @finch_str_drop(ptr %a53)
+  call void @finch_str_drop(ptr %a21)
+  ret { ptr, i64, i64 } %t63
 }
 
 define internal %S.platform.Target @finch.platform.select({ ptr, i64, i64 } %p0) {
@@ -81394,81 +98121,98 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca %S.platform.Target, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca %S.platform.Target, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a81 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
-  %a98 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a101 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
   %a110 = alloca { ptr, i64, i64 }, align 16
-  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
   %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a128 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   %a138 = alloca { ptr, i64, i64 }, align 16
-  %a139 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
+  %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca i1, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca i1, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a189 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca i1, align 16
+  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
+  %a176 = alloca i1, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
   %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca { ptr, i64, i64 }, align 16
-  %a221 = alloca { ptr, i64, i64 }, align 16
-  %a242 = alloca %S.platform.Target, align 16
-  %a243 = alloca %S.platform.Target, align 16
+  %a202 = alloca { ptr, i64, i64 }, align 16
+  %a204 = alloca { ptr, i64, i64 }, align 16
+  %a205 = alloca { ptr, i64, i64 }, align 16
+  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = call { ptr, i64, i64 } @finch.platform.hostTriple()
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -81480,469 +98224,532 @@ entry:
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp eq i64 %t10, 0
-  br i1 %t11, label %then8982, label %else8983
-then8982:
+  br i1 %t11, label %then9486, label %else9487
+then9486:
   %t12 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t12, ptr %a13
   call void @finch_str_copy(ptr %a14, ptr %a13)
   %t15 = load { ptr, i64, i64 }, ptr %a14
+  %t16 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t15, ptr %a8
-  br label %endif8984
-else8983:
-  %t16 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t16, ptr %a17
-  store { ptr, i64, i64 } { ptr @.str.6216, i64 7, i64 0 }, ptr %a18
-  %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
-  %t20 = icmp ne i32 %t19, 0
-  br i1 %t20, label %then8985, label %else8986
-then8985:
-  store { ptr, i64, i64 } { ptr @.str.6217, i64 18, i64 0 }, ptr %a8
-  br label %endif8987
-else8986:
-  %t21 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t21, ptr %a22
-  store { ptr, i64, i64 } { ptr @.str.6218, i64 5, i64 0 }, ptr %a23
-  %t24 = call i32 @finch_str_eq(ptr %a22, ptr %a23)
-  %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then8988, label %else8989
-then8988:
-  store { ptr, i64, i64 } { ptr @.str.6219, i64 24, i64 0 }, ptr %a8
-  br label %endif8990
-else8989:
-  %t26 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t26, ptr %a27
-  store { ptr, i64, i64 } { ptr @.str.6220, i64 5, i64 0 }, ptr %a28
-  %t29 = call i32 @finch_str_eq(ptr %a27, ptr %a28)
-  %t30 = icmp ne i32 %t29, 0
-  br label %logic.from8991
-logic.from8991:
-  br i1 %t30, label %logic.end8993, label %logic.rhs8992
-logic.rhs8992:
-  %t31 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t31, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.6221, i64 7, i64 0 }, ptr %a33
-  %t34 = call i32 @finch_str_eq(ptr %a32, ptr %a33)
-  %t35 = icmp ne i32 %t34, 0
-  br label %logic.rend8994
-logic.rend8994:
-  br label %logic.end8993
-logic.end8993:
-  %t36 = phi i1 [ true, %logic.from8991 ], [ %t35, %logic.rend8994 ]
-  br label %logic.from8995
-logic.from8995:
-  br i1 %t36, label %logic.end8997, label %logic.rhs8996
-logic.rhs8996:
+  call void @finch_str_drop(ptr %a17)
+  br label %endif9488
+else9487:
+  %t18 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t18, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.6460, i64 7, i64 0 }, ptr %a20
+  %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
+  %t22 = icmp ne i32 %t21, 0
+  br i1 %t22, label %then9489, label %else9490
+then9489:
+  %t23 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6461, i64 18, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t23, ptr %a24
+  call void @finch_str_drop(ptr %a24)
+  br label %endif9491
+else9490:
+  %t25 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t25, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.6462, i64 5, i64 0 }, ptr %a27
+  %t28 = call i32 @finch_str_eq(ptr %a26, ptr %a27)
+  %t29 = icmp ne i32 %t28, 0
+  br i1 %t29, label %then9492, label %else9493
+then9492:
+  %t30 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6463, i64 24, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t30, ptr %a31
+  call void @finch_str_drop(ptr %a31)
+  br label %endif9494
+else9493:
+  %t32 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t32, ptr %a33
+  store { ptr, i64, i64 } { ptr @.str.6464, i64 5, i64 0 }, ptr %a34
+  %t35 = call i32 @finch_str_eq(ptr %a33, ptr %a34)
+  %t36 = icmp ne i32 %t35, 0
+  br label %logic.from9495
+logic.from9495:
+  br i1 %t36, label %logic.end9497, label %logic.rhs9496
+logic.rhs9496:
   %t37 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t37, ptr %a38
-  store { ptr, i64, i64 } { ptr @.str.6222, i64 11, i64 0 }, ptr %a39
+  store { ptr, i64, i64 } { ptr @.str.6465, i64 7, i64 0 }, ptr %a39
   %t40 = call i32 @finch_str_eq(ptr %a38, ptr %a39)
   %t41 = icmp ne i32 %t40, 0
-  br label %logic.rend8998
-logic.rend8998:
-  br label %logic.end8997
-logic.end8997:
-  %t42 = phi i1 [ true, %logic.from8995 ], [ %t41, %logic.rend8998 ]
-  br i1 %t42, label %then8999, label %else9000
-then8999:
-  store { ptr, i64, i64 } { ptr @.str.6223, i64 25, i64 0 }, ptr %a8
-  br label %endif9001
-else9000:
+  br label %logic.rend9498
+logic.rend9498:
+  br label %logic.end9497
+logic.end9497:
+  %t42 = phi i1 [ true, %logic.from9495 ], [ %t41, %logic.rend9498 ]
+  br label %logic.from9499
+logic.from9499:
+  br i1 %t42, label %logic.end9501, label %logic.rhs9500
+logic.rhs9500:
   %t43 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t43, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.6224, i64 5, i64 0 }, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.6466, i64 11, i64 0 }, ptr %a45
   %t46 = call i32 @finch_str_eq(ptr %a44, ptr %a45)
   %t47 = icmp ne i32 %t46, 0
-  br i1 %t47, label %then9002, label %endif9004
-then9002:
-  %t48 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t48, ptr %a49
-  store { ptr, i64, i64 } { ptr @.str.6226, i64 7, i64 0 }, ptr %a51
-  %t52 = call i32 @finch_str_starts(ptr %a49, ptr %a51)
-  %t53 = icmp ne i32 %t52, 0
-  br label %logic.from9005
-logic.from9005:
-  br i1 %t53, label %logic.end9007, label %logic.rhs9006
-logic.rhs9006:
-  %t54 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t54, ptr %a55
-  store { ptr, i64, i64 } { ptr @.str.6228, i64 5, i64 0 }, ptr %a57
-  %t58 = call i32 @finch_str_starts(ptr %a55, ptr %a57)
-  %t59 = icmp ne i32 %t58, 0
-  br label %logic.rend9008
-logic.rend9008:
-  br label %logic.end9007
-logic.end9007:
-  %t60 = phi i1 [ true, %logic.from9005 ], [ %t59, %logic.rend9008 ]
-  br i1 %t60, label %then9009, label %else9010
-then9009:
-  store { ptr, i64, i64 } { ptr @.str.6229, i64 24, i64 0 }, ptr %a8
-  br label %endif9011
-else9010:
-  store { ptr, i64, i64 } { ptr @.str.6230, i64 25, i64 0 }, ptr %a8
-  br label %endif9011
-endif9011:
-  br label %endif9004
-endif9004:
-  br label %endif9001
-endif9001:
-  br label %endif8990
-endif8990:
-  br label %endif8987
-endif8987:
-  br label %endif8984
-endif8984:
-  %t61 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t61, ptr %a62
-  call void @finch_str_copy(ptr %a63, ptr %a62)
-  %t64 = load { ptr, i64, i64 }, ptr %a63
-  %t65 = insertvalue %S.platform.Target zeroinitializer, { ptr, i64, i64 } %t64, 0
-  store %S.platform.Target %t65, ptr %a66
-  %t67 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6232, i64 7, i64 0 }, ptr %a70
-  %t71 = call i64 @finch_str_find(ptr %a68, ptr %a70)
-  %t72 = icmp sge i64 %t71, 0
-  br label %logic.from9012
-logic.from9012:
-  br i1 %t72, label %logic.end9014, label %logic.rhs9013
-logic.rhs9013:
+  br label %logic.rend9502
+logic.rend9502:
+  br label %logic.end9501
+logic.end9501:
+  %t48 = phi i1 [ true, %logic.from9499 ], [ %t47, %logic.rend9502 ]
+  br i1 %t48, label %then9503, label %else9504
+then9503:
+  %t49 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6467, i64 25, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t49, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  br label %endif9505
+else9504:
+  %t51 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t51, ptr %a52
+  store { ptr, i64, i64 } { ptr @.str.6468, i64 5, i64 0 }, ptr %a53
+  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
+  %t55 = icmp ne i32 %t54, 0
+  br i1 %t55, label %then9506, label %endif9508
+then9506:
+  %t56 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t56, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.6470, i64 7, i64 0 }, ptr %a59
+  %t60 = call i32 @finch_str_starts(ptr %a57, ptr %a59)
+  %t61 = icmp ne i32 %t60, 0
+  br label %logic.from9509
+logic.from9509:
+  br i1 %t61, label %logic.end9511, label %logic.rhs9510
+logic.rhs9510:
+  %t62 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t62, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.6472, i64 5, i64 0 }, ptr %a65
+  %t66 = call i32 @finch_str_starts(ptr %a63, ptr %a65)
+  %t67 = icmp ne i32 %t66, 0
+  br label %logic.rend9512
+logic.rend9512:
+  br label %logic.end9511
+logic.end9511:
+  %t68 = phi i1 [ true, %logic.from9509 ], [ %t67, %logic.rend9512 ]
+  br i1 %t68, label %then9513, label %else9514
+then9513:
+  %t69 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6473, i64 24, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t69, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  br label %endif9515
+else9514:
+  %t71 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6474, i64 25, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t71, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  br label %endif9515
+endif9515:
+  br label %endif9508
+endif9508:
+  br label %endif9505
+endif9505:
+  br label %endif9494
+endif9494:
+  br label %endif9491
+endif9491:
+  br label %endif9488
+endif9488:
   %t73 = load { ptr, i64, i64 }, ptr %a8
   store { ptr, i64, i64 } %t73, ptr %a74
-  store { ptr, i64, i64 } { ptr @.str.6234, i64 5, i64 0 }, ptr %a76
-  %t77 = call i64 @finch_str_find(ptr %a74, ptr %a76)
-  %t78 = icmp sge i64 %t77, 0
-  br label %logic.rend9015
-logic.rend9015:
-  br label %logic.end9014
-logic.end9014:
-  %t79 = phi i1 [ true, %logic.from9012 ], [ %t78, %logic.rend9015 ]
-  br label %logic.from9016
-logic.from9016:
-  br i1 %t79, label %logic.end9018, label %logic.rhs9017
-logic.rhs9017:
-  %t80 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t80, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.6236, i64 4, i64 0 }, ptr %a83
-  %t84 = call i64 @finch_str_find(ptr %a81, ptr %a83)
-  %t85 = icmp sge i64 %t84, 0
-  br label %logic.rend9019
-logic.rend9019:
-  br label %logic.end9018
-logic.end9018:
-  %t86 = phi i1 [ true, %logic.from9016 ], [ %t85, %logic.rend9019 ]
-  br label %logic.from9020
-logic.from9020:
-  br i1 %t86, label %logic.end9022, label %logic.rhs9021
-logic.rhs9021:
-  %t87 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t87, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.6238, i64 5, i64 0 }, ptr %a90
-  %t91 = call i64 @finch_str_find(ptr %a88, ptr %a90)
-  %t92 = icmp sge i64 %t91, 0
-  br label %logic.rend9023
-logic.rend9023:
-  br label %logic.end9022
-logic.end9022:
-  %t93 = phi i1 [ true, %logic.from9020 ], [ %t92, %logic.rend9023 ]
-  %t94 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  store i1 %t93, ptr %t94
-  %t95 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t95, ptr %a96
-  store { ptr, i64, i64 } { ptr @.str.6240, i64 4, i64 0 }, ptr %a98
-  %t99 = call i64 @finch_str_find(ptr %a96, ptr %a98)
-  %t100 = icmp sge i64 %t99, 0
-  %t101 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 2
-  store i1 %t100, ptr %t101
-  %t102 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t102, ptr %a103
-  store { ptr, i64, i64 } { ptr @.str.6242, i64 5, i64 0 }, ptr %a105
-  %t106 = call i64 @finch_str_find(ptr %a103, ptr %a105)
-  %t107 = icmp sge i64 %t106, 0
-  br label %logic.from9024
-logic.from9024:
-  br i1 %t107, label %logic.end9026, label %logic.rhs9025
-logic.rhs9025:
-  %t108 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t108, ptr %a109
-  store { ptr, i64, i64 } { ptr @.str.6244, i64 6, i64 0 }, ptr %a111
-  %t112 = call i64 @finch_str_find(ptr %a109, ptr %a111)
-  %t113 = icmp sge i64 %t112, 0
-  br label %logic.rend9027
-logic.rend9027:
-  br label %logic.end9026
-logic.end9026:
-  %t114 = phi i1 [ true, %logic.from9024 ], [ %t113, %logic.rend9027 ]
-  br label %logic.from9028
-logic.from9028:
-  br i1 %t114, label %logic.end9030, label %logic.rhs9029
-logic.rhs9029:
-  %t115 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t115, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.6246, i64 5, i64 0 }, ptr %a118
-  %t119 = call i64 @finch_str_find(ptr %a116, ptr %a118)
-  %t120 = icmp sge i64 %t119, 0
-  br label %logic.rend9031
-logic.rend9031:
-  br label %logic.end9030
-logic.end9030:
-  %t121 = phi i1 [ true, %logic.from9028 ], [ %t120, %logic.rend9031 ]
-  %t122 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  store i1 %t121, ptr %t122
-  %t123 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t123, ptr %a124
-  store { ptr, i64, i64 } { ptr @.str.6248, i64 7, i64 0 }, ptr %a126
-  %t127 = call i32 @finch_str_starts(ptr %a124, ptr %a126)
-  %t128 = icmp ne i32 %t127, 0
-  br label %logic.from9032
-logic.from9032:
-  br i1 %t128, label %logic.end9034, label %logic.rhs9033
-logic.rhs9033:
-  %t129 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t129, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.6250, i64 5, i64 0 }, ptr %a132
-  %t133 = call i32 @finch_str_starts(ptr %a130, ptr %a132)
-  %t134 = icmp ne i32 %t133, 0
-  br label %logic.rend9035
-logic.rend9035:
-  br label %logic.end9034
-logic.end9034:
-  %t135 = phi i1 [ true, %logic.from9032 ], [ %t134, %logic.rend9035 ]
-  %t136 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  store i1 %t135, ptr %t136
-  %t137 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t137, ptr %a138
-  store { ptr, i64, i64 } { ptr @.str.6252, i64 7, i64 0 }, ptr %a140
-  %t141 = call i32 @finch_str_starts(ptr %a138, ptr %a140)
-  %t142 = icmp ne i32 %t141, 0
-  br label %logic.from9036
-logic.from9036:
-  br i1 %t142, label %logic.end9038, label %logic.rhs9037
-logic.rhs9037:
-  %t143 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t143, ptr %a144
-  store { ptr, i64, i64 } { ptr @.str.6254, i64 5, i64 0 }, ptr %a146
-  %t147 = call i32 @finch_str_starts(ptr %a144, ptr %a146)
-  %t148 = icmp ne i32 %t147, 0
-  br label %logic.rend9039
-logic.rend9039:
-  br label %logic.end9038
-logic.end9038:
-  %t149 = phi i1 [ true, %logic.from9036 ], [ %t148, %logic.rend9039 ]
-  store i1 %t149, ptr %a150
-  %t151 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t151, ptr %a152
-  store { ptr, i64, i64 } { ptr @.str.6256, i64 5, i64 0 }, ptr %a154
-  %t155 = call i64 @finch_str_find(ptr %a152, ptr %a154)
-  %t156 = icmp sge i64 %t155, 0
-  br label %logic.from9040
-logic.from9040:
-  br i1 %t156, label %logic.end9042, label %logic.rhs9041
-logic.rhs9041:
-  %t157 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t157, ptr %a158
-  store { ptr, i64, i64 } { ptr @.str.6258, i64 6, i64 0 }, ptr %a160
-  %t161 = call i64 @finch_str_find(ptr %a158, ptr %a160)
-  %t162 = icmp sge i64 %t161, 0
-  br label %logic.rend9043
-logic.rend9043:
-  br label %logic.end9042
-logic.end9042:
-  %t163 = phi i1 [ true, %logic.from9040 ], [ %t162, %logic.rend9043 ]
-  store i1 %t163, ptr %a164
-  %t165 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  %t166 = load i1, ptr %t165
-  br label %logic.from9044
-logic.from9044:
-  br i1 %t166, label %logic.end9046, label %logic.rhs9045
-logic.rhs9045:
-  %t167 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  %t168 = load i1, ptr %t167
-  %t169 = load i1, ptr %a164
-  %t170 = icmp ne i1 %t168, %t169
-  br label %logic.rend9047
-logic.rend9047:
-  br label %logic.end9046
-logic.end9046:
-  %t171 = phi i1 [ true, %logic.from9044 ], [ %t170, %logic.rend9047 ]
-  br label %logic.from9048
-logic.from9048:
-  br i1 %t171, label %logic.end9050, label %logic.rhs9049
-logic.rhs9049:
-  %t172 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  %t173 = load i1, ptr %t172
-  %t174 = load i1, ptr %a150
-  %t175 = icmp ne i1 %t173, %t174
-  br label %logic.rend9051
-logic.rend9051:
-  br label %logic.end9050
-logic.end9050:
-  %t176 = phi i1 [ true, %logic.from9048 ], [ %t175, %logic.rend9051 ]
-  %t177 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  store i1 %t176, ptr %t177
-  %t178 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 6
-  store { ptr, i64, i64 } { ptr @.str.6259, i64 0, i64 0 }, ptr %t178
-  %t179 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
+  call void @finch_str_copy(ptr %a75, ptr %a74)
+  %t76 = load { ptr, i64, i64 }, ptr %a75
+  %t77 = insertvalue %S.platform.Target zeroinitializer, { ptr, i64, i64 } %t76, 0
+  store %S.platform.Target %t77, ptr %a78
+  %t79 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t79, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.6476, i64 7, i64 0 }, ptr %a82
+  %t83 = call i64 @finch_str_find(ptr %a80, ptr %a82)
+  %t84 = icmp sge i64 %t83, 0
+  br label %logic.from9516
+logic.from9516:
+  br i1 %t84, label %logic.end9518, label %logic.rhs9517
+logic.rhs9517:
+  %t85 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t85, ptr %a86
+  store { ptr, i64, i64 } { ptr @.str.6478, i64 5, i64 0 }, ptr %a88
+  %t89 = call i64 @finch_str_find(ptr %a86, ptr %a88)
+  %t90 = icmp sge i64 %t89, 0
+  br label %logic.rend9519
+logic.rend9519:
+  br label %logic.end9518
+logic.end9518:
+  %t91 = phi i1 [ true, %logic.from9516 ], [ %t90, %logic.rend9519 ]
+  br label %logic.from9520
+logic.from9520:
+  br i1 %t91, label %logic.end9522, label %logic.rhs9521
+logic.rhs9521:
+  %t92 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t92, ptr %a93
+  store { ptr, i64, i64 } { ptr @.str.6480, i64 4, i64 0 }, ptr %a95
+  %t96 = call i64 @finch_str_find(ptr %a93, ptr %a95)
+  %t97 = icmp sge i64 %t96, 0
+  br label %logic.rend9523
+logic.rend9523:
+  br label %logic.end9522
+logic.end9522:
+  %t98 = phi i1 [ true, %logic.from9520 ], [ %t97, %logic.rend9523 ]
+  br label %logic.from9524
+logic.from9524:
+  br i1 %t98, label %logic.end9526, label %logic.rhs9525
+logic.rhs9525:
+  %t99 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t99, ptr %a100
+  store { ptr, i64, i64 } { ptr @.str.6482, i64 5, i64 0 }, ptr %a102
+  %t103 = call i64 @finch_str_find(ptr %a100, ptr %a102)
+  %t104 = icmp sge i64 %t103, 0
+  br label %logic.rend9527
+logic.rend9527:
+  br label %logic.end9526
+logic.end9526:
+  %t105 = phi i1 [ true, %logic.from9524 ], [ %t104, %logic.rend9527 ]
+  %t106 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  store i1 %t105, ptr %t106
+  %t107 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t107, ptr %a108
+  store { ptr, i64, i64 } { ptr @.str.6484, i64 4, i64 0 }, ptr %a110
+  %t111 = call i64 @finch_str_find(ptr %a108, ptr %a110)
+  %t112 = icmp sge i64 %t111, 0
+  %t113 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 2
+  store i1 %t112, ptr %t113
+  %t114 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t114, ptr %a115
+  store { ptr, i64, i64 } { ptr @.str.6486, i64 5, i64 0 }, ptr %a117
+  %t118 = call i64 @finch_str_find(ptr %a115, ptr %a117)
+  %t119 = icmp sge i64 %t118, 0
+  br label %logic.from9528
+logic.from9528:
+  br i1 %t119, label %logic.end9530, label %logic.rhs9529
+logic.rhs9529:
+  %t120 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t120, ptr %a121
+  store { ptr, i64, i64 } { ptr @.str.6488, i64 6, i64 0 }, ptr %a123
+  %t124 = call i64 @finch_str_find(ptr %a121, ptr %a123)
+  %t125 = icmp sge i64 %t124, 0
+  br label %logic.rend9531
+logic.rend9531:
+  br label %logic.end9530
+logic.end9530:
+  %t126 = phi i1 [ true, %logic.from9528 ], [ %t125, %logic.rend9531 ]
+  br label %logic.from9532
+logic.from9532:
+  br i1 %t126, label %logic.end9534, label %logic.rhs9533
+logic.rhs9533:
+  %t127 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t127, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.6490, i64 5, i64 0 }, ptr %a130
+  %t131 = call i64 @finch_str_find(ptr %a128, ptr %a130)
+  %t132 = icmp sge i64 %t131, 0
+  br label %logic.rend9535
+logic.rend9535:
+  br label %logic.end9534
+logic.end9534:
+  %t133 = phi i1 [ true, %logic.from9532 ], [ %t132, %logic.rend9535 ]
+  %t134 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
+  store i1 %t133, ptr %t134
+  %t135 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t135, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.6492, i64 7, i64 0 }, ptr %a138
+  %t139 = call i32 @finch_str_starts(ptr %a136, ptr %a138)
+  %t140 = icmp ne i32 %t139, 0
+  br label %logic.from9536
+logic.from9536:
+  br i1 %t140, label %logic.end9538, label %logic.rhs9537
+logic.rhs9537:
+  %t141 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t141, ptr %a142
+  store { ptr, i64, i64 } { ptr @.str.6494, i64 5, i64 0 }, ptr %a144
+  %t145 = call i32 @finch_str_starts(ptr %a142, ptr %a144)
+  %t146 = icmp ne i32 %t145, 0
+  br label %logic.rend9539
+logic.rend9539:
+  br label %logic.end9538
+logic.end9538:
+  %t147 = phi i1 [ true, %logic.from9536 ], [ %t146, %logic.rend9539 ]
+  %t148 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  store i1 %t147, ptr %t148
+  %t149 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t149, ptr %a150
+  store { ptr, i64, i64 } { ptr @.str.6496, i64 7, i64 0 }, ptr %a152
+  %t153 = call i32 @finch_str_starts(ptr %a150, ptr %a152)
+  %t154 = icmp ne i32 %t153, 0
+  br label %logic.from9540
+logic.from9540:
+  br i1 %t154, label %logic.end9542, label %logic.rhs9541
+logic.rhs9541:
+  %t155 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t155, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.6498, i64 5, i64 0 }, ptr %a158
+  %t159 = call i32 @finch_str_starts(ptr %a156, ptr %a158)
+  %t160 = icmp ne i32 %t159, 0
+  br label %logic.rend9543
+logic.rend9543:
+  br label %logic.end9542
+logic.end9542:
+  %t161 = phi i1 [ true, %logic.from9540 ], [ %t160, %logic.rend9543 ]
+  store i1 %t161, ptr %a162
+  %t163 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t163, ptr %a164
+  store { ptr, i64, i64 } { ptr @.str.6500, i64 5, i64 0 }, ptr %a166
+  %t167 = call i64 @finch_str_find(ptr %a164, ptr %a166)
+  %t168 = icmp sge i64 %t167, 0
+  br label %logic.from9544
+logic.from9544:
+  br i1 %t168, label %logic.end9546, label %logic.rhs9545
+logic.rhs9545:
+  %t169 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t169, ptr %a170
+  store { ptr, i64, i64 } { ptr @.str.6502, i64 6, i64 0 }, ptr %a172
+  %t173 = call i64 @finch_str_find(ptr %a170, ptr %a172)
+  %t174 = icmp sge i64 %t173, 0
+  br label %logic.rend9547
+logic.rend9547:
+  br label %logic.end9546
+logic.end9546:
+  %t175 = phi i1 [ true, %logic.from9544 ], [ %t174, %logic.rend9547 ]
+  store i1 %t175, ptr %a176
+  %t177 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t178 = load i1, ptr %t177
+  br label %logic.from9548
+logic.from9548:
+  br i1 %t178, label %logic.end9550, label %logic.rhs9549
+logic.rhs9549:
+  %t179 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
   %t180 = load i1, ptr %t179
-  br i1 %t180, label %then9052, label %endif9054
-then9052:
-  %t181 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 6
-  store { ptr, i64, i64 } { ptr @.str.6260, i64 4, i64 0 }, ptr %t181
-  br label %endif9054
-endif9054:
-  %t182 = extractvalue { ptr, i64, i64 } { ptr @.str.6261, i64 8, i64 0 }, 0
-  %t183 = icmp eq ptr %t182, null
-  %t184 = select i1 %t183, ptr @.str.6262, ptr %t182
-  %t185 = call ptr @getenv(ptr %t184)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a186
-  call void @finch_str_from_c(ptr %a186, ptr %t185)
-  %t187 = load { ptr, i64, i64 }, ptr %a186
-  store { ptr, i64, i64 } %t187, ptr %a188
-  call void @finch_str_copy(ptr %a189, ptr %a188)
-  %t190 = load { ptr, i64, i64 }, ptr %a189
-  store { ptr, i64, i64 } %t190, ptr %a191
-  %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %a191, i32 0, i32 1
-  %t193 = load i64, ptr %t192
-  %t194 = icmp sgt i64 %t193, 0
-  br i1 %t194, label %then9055, label %else9056
-then9055:
-  %t195 = load { ptr, i64, i64 }, ptr %a191
-  %t196 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } %t195, ptr %a197
-  call void @finch_str_copy(ptr %a198, ptr %a197)
-  %t199 = load { ptr, i64, i64 }, ptr %a198
-  store { ptr, i64, i64 } %t199, ptr %t196
-  br label %endif9057
-else9056:
-  %t200 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t201 = load i1, ptr %t200
-  br label %logic.from9058
-logic.from9058:
-  br i1 %t201, label %logic.rhs9059, label %logic.end9060
-logic.rhs9059:
-  %t202 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  %t203 = load i1, ptr %t202
-  br label %logic.rend9061
-logic.rend9061:
-  br label %logic.end9060
-logic.end9060:
-  %t204 = phi i1 [ false, %logic.from9058 ], [ %t203, %logic.rend9061 ]
-  br i1 %t204, label %then9062, label %else9063
-then9062:
-  %t205 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } { ptr @.str.6263, i64 22, i64 0 }, ptr %t205
-  br label %endif9064
-else9063:
-  %t206 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t207 = load i1, ptr %t206
-  br label %logic.from9065
-logic.from9065:
-  br i1 %t207, label %logic.rhs9066, label %logic.end9067
-logic.rhs9066:
-  %t208 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  %t209 = load i1, ptr %t208
-  br label %logic.rend9068
-logic.rend9068:
-  br label %logic.end9067
-logic.end9067:
-  %t210 = phi i1 [ false, %logic.from9065 ], [ %t209, %logic.rend9068 ]
-  br label %logic.from9069
-logic.from9069:
-  br i1 %t210, label %logic.rhs9070, label %logic.end9071
-logic.rhs9070:
-  %t211 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  %t212 = load i1, ptr %t211
-  %t213 = xor i1 %t212, true
-  br label %logic.rend9072
-logic.rend9072:
-  br label %logic.end9071
-logic.end9071:
-  %t214 = phi i1 [ false, %logic.from9069 ], [ %t213, %logic.rend9072 ]
-  br i1 %t214, label %then9073, label %else9074
-then9073:
-  %t215 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } { ptr @.str.6264, i64 21, i64 0 }, ptr %t215
-  br label %endif9075
-else9074:
-  %t216 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t217 = load i1, ptr %t216
-  br i1 %t217, label %then9076, label %else9077
-then9076:
-  %t218 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6265, i64 15, i64 0 }, ptr %a220
-  store { ptr, i64, i64 } %t218, ptr %a221
-  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
-  %t222 = load { ptr, i64, i64 }, ptr %a219
-  %t223 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } %t222, ptr %t223
-  br label %endif9078
-else9077:
-  %t224 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 7
-  store { ptr, i64, i64 } { ptr @.str.6266, i64 2, i64 0 }, ptr %t224
-  br label %endif9078
-endif9078:
-  br label %endif9075
-endif9075:
-  br label %endif9064
-endif9064:
-  br label %endif9057
-endif9057:
-  %t225 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
-  %t226 = load i1, ptr %t225
-  br label %logic.from9079
-logic.from9079:
-  br i1 %t226, label %logic.rhs9080, label %logic.end9081
-logic.rhs9080:
-  %t227 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 1
-  %t228 = load i1, ptr %t227
-  br label %logic.rend9082
-logic.rend9082:
-  br label %logic.end9081
-logic.end9081:
-  %t229 = phi i1 [ false, %logic.from9079 ], [ %t228, %logic.rend9082 ]
-  br i1 %t229, label %then9083, label %else9084
-then9083:
-  %t230 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 8
-  store { ptr, i64, i64 } { ptr @.str.6267, i64 5, i64 0 }, ptr %t230
-  br label %endif9085
-else9084:
-  %t231 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 5
+  %t181 = load i1, ptr %a176
+  %t182 = icmp ne i1 %t180, %t181
+  br label %logic.rend9551
+logic.rend9551:
+  br label %logic.end9550
+logic.end9550:
+  %t183 = phi i1 [ true, %logic.from9548 ], [ %t182, %logic.rend9551 ]
+  br label %logic.from9552
+logic.from9552:
+  br i1 %t183, label %logic.end9554, label %logic.rhs9553
+logic.rhs9553:
+  %t184 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  %t185 = load i1, ptr %t184
+  %t186 = load i1, ptr %a162
+  %t187 = icmp ne i1 %t185, %t186
+  br label %logic.rend9555
+logic.rend9555:
+  br label %logic.end9554
+logic.end9554:
+  %t188 = phi i1 [ true, %logic.from9552 ], [ %t187, %logic.rend9555 ]
+  %t189 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  store i1 %t188, ptr %t189
+  %t190 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 6
+  %t191 = load { ptr, i64, i64 }, ptr %t190
+  store { ptr, i64, i64 } { ptr @.str.6503, i64 0, i64 0 }, ptr %t190
+  store { ptr, i64, i64 } %t191, ptr %a192
+  call void @finch_str_drop(ptr %a192)
+  %t193 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t194 = load i1, ptr %t193
+  br i1 %t194, label %then9556, label %endif9558
+then9556:
+  %t195 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 6
+  %t196 = load { ptr, i64, i64 }, ptr %t195
+  store { ptr, i64, i64 } { ptr @.str.6504, i64 4, i64 0 }, ptr %t195
+  store { ptr, i64, i64 } %t196, ptr %a197
+  call void @finch_str_drop(ptr %a197)
+  br label %endif9558
+endif9558:
+  %t198 = extractvalue { ptr, i64, i64 } { ptr @.str.6505, i64 8, i64 0 }, 0
+  %t199 = icmp eq ptr %t198, null
+  %t200 = select i1 %t199, ptr @.str.6506, ptr %t198
+  %t201 = call ptr @getenv(ptr %t200)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a202
+  call void @finch_str_from_c(ptr %a202, ptr %t201)
+  %t203 = load { ptr, i64, i64 }, ptr %a202
+  store { ptr, i64, i64 } %t203, ptr %a204
+  call void @finch_str_copy(ptr %a205, ptr %a204)
+  %t206 = load { ptr, i64, i64 }, ptr %a205
+  store { ptr, i64, i64 } %t206, ptr %a207
+  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %a207, i32 0, i32 1
+  %t209 = load i64, ptr %t208
+  %t210 = icmp sgt i64 %t209, 0
+  br i1 %t210, label %then9559, label %else9560
+then9559:
+  %t211 = load { ptr, i64, i64 }, ptr %a207
+  %t212 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  store { ptr, i64, i64 } %t211, ptr %a213
+  call void @finch_str_copy(ptr %a214, ptr %a213)
+  %t215 = load { ptr, i64, i64 }, ptr %a214
+  %t216 = load { ptr, i64, i64 }, ptr %t212
+  store { ptr, i64, i64 } %t215, ptr %t212
+  store { ptr, i64, i64 } %t216, ptr %a217
+  call void @finch_str_drop(ptr %a217)
+  br label %endif9561
+else9560:
+  %t218 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t219 = load i1, ptr %t218
+  br label %logic.from9562
+logic.from9562:
+  br i1 %t219, label %logic.rhs9563, label %logic.end9564
+logic.rhs9563:
+  %t220 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t221 = load i1, ptr %t220
+  br label %logic.rend9565
+logic.rend9565:
+  br label %logic.end9564
+logic.end9564:
+  %t222 = phi i1 [ false, %logic.from9562 ], [ %t221, %logic.rend9565 ]
+  br i1 %t222, label %then9566, label %else9567
+then9566:
+  %t223 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t224 = load { ptr, i64, i64 }, ptr %t223
+  store { ptr, i64, i64 } { ptr @.str.6507, i64 22, i64 0 }, ptr %t223
+  store { ptr, i64, i64 } %t224, ptr %a225
+  call void @finch_str_drop(ptr %a225)
+  br label %endif9568
+else9567:
+  %t226 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t227 = load i1, ptr %t226
+  br label %logic.from9569
+logic.from9569:
+  br i1 %t227, label %logic.rhs9570, label %logic.end9571
+logic.rhs9570:
+  %t228 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  %t229 = load i1, ptr %t228
+  br label %logic.rend9572
+logic.rend9572:
+  br label %logic.end9571
+logic.end9571:
+  %t230 = phi i1 [ false, %logic.from9569 ], [ %t229, %logic.rend9572 ]
+  br label %logic.from9573
+logic.from9573:
+  br i1 %t230, label %logic.rhs9574, label %logic.end9575
+logic.rhs9574:
+  %t231 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
   %t232 = load i1, ptr %t231
-  br label %logic.from9086
-logic.from9086:
-  br i1 %t232, label %logic.rhs9087, label %logic.end9088
-logic.rhs9087:
-  %t233 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 4
-  %t234 = load i1, ptr %t233
-  br label %logic.rend9089
-logic.rend9089:
-  br label %logic.end9088
-logic.end9088:
-  %t235 = phi i1 [ false, %logic.from9086 ], [ %t234, %logic.rend9089 ]
-  br label %logic.from9090
-logic.from9090:
-  br i1 %t235, label %logic.rhs9091, label %logic.end9092
-logic.rhs9091:
-  %t236 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 3
-  %t237 = load i1, ptr %t236
-  %t238 = xor i1 %t237, true
-  br label %logic.rend9093
-logic.rend9093:
-  br label %logic.end9092
-logic.end9092:
-  %t239 = phi i1 [ false, %logic.from9090 ], [ %t238, %logic.rend9093 ]
-  br i1 %t239, label %then9094, label %endif9096
-then9094:
-  %t240 = getelementptr inbounds %S.platform.Target, ptr %a66, i32 0, i32 8
-  store { ptr, i64, i64 } { ptr @.str.6268, i64 13, i64 0 }, ptr %t240
-  br label %endif9096
-endif9096:
-  br label %endif9085
-endif9085:
-  %t241 = load %S.platform.Target, ptr %a66
-  store %S.platform.Target %t241, ptr %a242
-  call void @finch.copy.S_platform_Target(ptr %a243, ptr %a242)
-  %t244 = load %S.platform.Target, ptr %a243
-  ret %S.platform.Target %t244
+  %t233 = xor i1 %t232, true
+  br label %logic.rend9576
+logic.rend9576:
+  br label %logic.end9575
+logic.end9575:
+  %t234 = phi i1 [ false, %logic.from9573 ], [ %t233, %logic.rend9576 ]
+  br i1 %t234, label %then9577, label %else9578
+then9577:
+  %t235 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t236 = load { ptr, i64, i64 }, ptr %t235
+  store { ptr, i64, i64 } { ptr @.str.6508, i64 21, i64 0 }, ptr %t235
+  store { ptr, i64, i64 } %t236, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  br label %endif9579
+else9578:
+  %t238 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t239 = load i1, ptr %t238
+  br i1 %t239, label %then9580, label %else9581
+then9580:
+  %t240 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.6509, i64 15, i64 0 }, ptr %a242
+  store { ptr, i64, i64 } %t240, ptr %a243
+  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
+  %t244 = load { ptr, i64, i64 }, ptr %a241
+  %t245 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t246 = load { ptr, i64, i64 }, ptr %t245
+  store { ptr, i64, i64 } %t244, ptr %t245
+  store { ptr, i64, i64 } %t246, ptr %a247
+  call void @finch_str_drop(ptr %a247)
+  br label %endif9582
+else9581:
+  %t248 = call { ptr, i64, i64 } @finch.host.pathSeparator()
+  store { ptr, i64, i64 } %t248, ptr %a249
+  store { ptr, i64, i64 } { ptr @.str.6510, i64 1, i64 0 }, ptr %a250
+  %t251 = call i32 @finch_str_eq(ptr %a249, ptr %a250)
+  %t252 = icmp ne i32 %t251, 0
+  store { ptr, i64, i64 } %t248, ptr %a253
+  call void @finch_str_drop(ptr %a253)
+  br i1 %t252, label %then9583, label %else9584
+then9583:
+  %t254 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t255 = load { ptr, i64, i64 }, ptr %t254
+  store { ptr, i64, i64 } { ptr @.str.6511, i64 5, i64 0 }, ptr %t254
+  store { ptr, i64, i64 } %t255, ptr %a256
+  call void @finch_str_drop(ptr %a256)
+  br label %endif9585
+else9584:
+  %t257 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 7
+  %t258 = load { ptr, i64, i64 }, ptr %t257
+  store { ptr, i64, i64 } { ptr @.str.6512, i64 2, i64 0 }, ptr %t257
+  store { ptr, i64, i64 } %t258, ptr %a259
+  call void @finch_str_drop(ptr %a259)
+  br label %endif9585
+endif9585:
+  br label %endif9582
+endif9582:
+  br label %endif9579
+endif9579:
+  br label %endif9568
+endif9568:
+  br label %endif9561
+endif9561:
+  %t260 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t261 = load i1, ptr %t260
+  br label %logic.from9586
+logic.from9586:
+  br i1 %t261, label %logic.rhs9587, label %logic.end9588
+logic.rhs9587:
+  %t262 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 1
+  %t263 = load i1, ptr %t262
+  br label %logic.rend9589
+logic.rend9589:
+  br label %logic.end9588
+logic.end9588:
+  %t264 = phi i1 [ false, %logic.from9586 ], [ %t263, %logic.rend9589 ]
+  br i1 %t264, label %then9590, label %else9591
+then9590:
+  %t265 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 8
+  %t266 = load { ptr, i64, i64 }, ptr %t265
+  store { ptr, i64, i64 } { ptr @.str.6513, i64 5, i64 0 }, ptr %t265
+  store { ptr, i64, i64 } %t266, ptr %a267
+  call void @finch_str_drop(ptr %a267)
+  br label %endif9592
+else9591:
+  %t268 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 5
+  %t269 = load i1, ptr %t268
+  br label %logic.from9593
+logic.from9593:
+  br i1 %t269, label %logic.rhs9594, label %logic.end9595
+logic.rhs9594:
+  %t270 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 4
+  %t271 = load i1, ptr %t270
+  br label %logic.rend9596
+logic.rend9596:
+  br label %logic.end9595
+logic.end9595:
+  %t272 = phi i1 [ false, %logic.from9593 ], [ %t271, %logic.rend9596 ]
+  br label %logic.from9597
+logic.from9597:
+  br i1 %t272, label %logic.rhs9598, label %logic.end9599
+logic.rhs9598:
+  %t273 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 3
+  %t274 = load i1, ptr %t273
+  %t275 = xor i1 %t274, true
+  br label %logic.rend9600
+logic.rend9600:
+  br label %logic.end9599
+logic.end9599:
+  %t276 = phi i1 [ false, %logic.from9597 ], [ %t275, %logic.rend9600 ]
+  br i1 %t276, label %then9601, label %endif9603
+then9601:
+  %t277 = getelementptr inbounds %S.platform.Target, ptr %a78, i32 0, i32 8
+  %t278 = load { ptr, i64, i64 }, ptr %t277
+  store { ptr, i64, i64 } { ptr @.str.6514, i64 13, i64 0 }, ptr %t277
+  store { ptr, i64, i64 } %t278, ptr %a279
+  call void @finch_str_drop(ptr %a279)
+  br label %endif9603
+endif9603:
+  br label %endif9592
+endif9592:
+  %t280 = load %S.platform.Target, ptr %a78
+  call void @finch_str_drop(ptr %a207)
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a3)
+  ret %S.platform.Target %t280
 }
 
 define internal i1 @finch.platform.charIsSigned(%S.platform.Target %p0) {
@@ -81952,28 +98759,28 @@ entry:
   %t2 = getelementptr inbounds %S.platform.Target, ptr %a1, i32 0, i32 4
   %t3 = load i1, ptr %t2
   %t4 = xor i1 %t3, true
-  br label %logic.from9097
-logic.from9097:
-  br i1 %t4, label %logic.end9099, label %logic.rhs9098
-logic.rhs9098:
+  br label %logic.from9604
+logic.from9604:
+  br i1 %t4, label %logic.end9606, label %logic.rhs9605
+logic.rhs9605:
   %t5 = getelementptr inbounds %S.platform.Target, ptr %a1, i32 0, i32 3
   %t6 = load i1, ptr %t5
-  br label %logic.rend9100
-logic.rend9100:
-  br label %logic.end9099
-logic.end9099:
-  %t7 = phi i1 [ true, %logic.from9097 ], [ %t6, %logic.rend9100 ]
-  br label %logic.from9101
-logic.from9101:
-  br i1 %t7, label %logic.end9103, label %logic.rhs9102
-logic.rhs9102:
+  br label %logic.rend9607
+logic.rend9607:
+  br label %logic.end9606
+logic.end9606:
+  %t7 = phi i1 [ true, %logic.from9604 ], [ %t6, %logic.rend9607 ]
+  br label %logic.from9608
+logic.from9608:
+  br i1 %t7, label %logic.end9610, label %logic.rhs9609
+logic.rhs9609:
   %t8 = getelementptr inbounds %S.platform.Target, ptr %a1, i32 0, i32 1
   %t9 = load i1, ptr %t8
-  br label %logic.rend9104
-logic.rend9104:
-  br label %logic.end9103
-logic.end9103:
-  %t10 = phi i1 [ true, %logic.from9101 ], [ %t9, %logic.rend9104 ]
+  br label %logic.rend9611
+logic.rend9611:
+  br label %logic.end9610
+logic.end9610:
+  %t10 = phi i1 [ true, %logic.from9608 ], [ %t9, %logic.rend9611 ]
   ret i1 %t10
 }
 
@@ -81992,14 +98799,14 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   store i32 2166136261, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond9105
-each.cond9105:
+  br label %each.cond9612
+each.cond9612:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body9106, label %each.end9108
-each.body9106:
+  br i1 %t7, label %each.body9613, label %each.end9615
+each.body9613:
   %t8 = load ptr, ptr %a1
   %t9 = getelementptr inbounds i8, ptr %t8, i64 %t6
   %t10 = load i8, ptr %t9
@@ -82010,22 +98817,22 @@ each.body9106:
   %t15 = xor i32 %t12, %t14
   %t16 = mul i32 %t15, 16777619
   store i32 %t16, ptr %a2
-  br label %each.step9107
-each.step9107:
+  br label %each.step9614
+each.step9614:
   %t17 = load i64, ptr %a3
   %t18 = add i64 %t17, 1
   store i64 %t18, ptr %a3
-  br label %each.cond9105
-each.end9108:
-  store { ptr, i64, i64 } { ptr @.str.6269, i64 16, i64 0 }, ptr %a19
+  br label %each.cond9612
+each.end9615:
+  store { ptr, i64, i64 } { ptr @.str.6515, i64 16, i64 0 }, ptr %a19
   store { ptr, i64, i64 } zeroinitializer, ptr %a20
   store i64 0, ptr %a21
-  br label %for.cond9109
-for.cond9109:
+  br label %for.cond9616
+for.cond9616:
   %t22 = load i64, ptr %a21
   %t23 = icmp slt i64 %t22, 8
-  br i1 %t23, label %for.body9110, label %for.end9112
-for.body9110:
+  br i1 %t23, label %for.body9617, label %for.end9619
+for.body9617:
   %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
   %t25 = load i32, ptr %a2
   %t26 = load i64, ptr %a21
@@ -82038,11 +98845,11 @@ for.body9110:
   %t33 = load { ptr, i64, i64 }, ptr %a19
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range9113, label %inrange9114
-range9113:
-  call void @finch_panic_index(ptr @.str.6270, i64 17, i64 %t32, i64 %t34)
+  br i1 %t35, label %range9620, label %inrange9621
+range9620:
+  call void @finch_panic_index(ptr @.str.6516, i64 16, i64 %t32, i64 %t34)
   unreachable
-inrange9114:
+inrange9621:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds i8, ptr %t36, i64 %t32
   %t38 = load i8, ptr %t37
@@ -82055,114 +98862,29 @@ inrange9114:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %t43, i64 %t41
   store { ptr, i64, i64 } %t40, ptr %t44
   store i64 %t42, ptr %t24
-  br label %for.step9111
-for.step9111:
+  br label %for.step9618
+for.step9618:
   %t45 = load i64, ptr %a21
   %t46 = add i64 %t45, 1
   store i64 %t46, ptr %a21
-  br label %for.cond9109
-for.end9112:
+  br label %for.cond9616
+for.end9619:
   %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a20, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6271, i64 0, i64 0 }, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.6517, i64 0, i64 0 }, ptr %a48
   call void @finch_str_join(ptr %a49, ptr %a20, ptr %a48)
   %t50 = load { ptr, i64, i64 }, ptr %a49
+  call void @finch.drop.arr_str(ptr %a20)
+  call void @finch_str_drop(ptr %a19)
   ret { ptr, i64, i64 } %t50
 }
 
 define internal { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
-  %a3 = alloca { ptr, i64, i64 }, align 16
-  %a4 = alloca { ptr, i64, i64 }, align 16
-  %a5 = alloca { ptr, i64, i64 }, align 16
-  %a6 = alloca { ptr, i64, i64 }, align 16
-  %a8 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6274, i64 1, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6275, i64 4, i64 0 }, ptr %a6
-  call void @finch_str_replace(ptr %a4, ptr %a3, ptr %a5, ptr %a6)
-  %t7 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6272, i64 1, i64 0 }, ptr %a9
-  store { ptr, i64, i64 } %t7, ptr %a10
-  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t11, ptr %a13
-  store { ptr, i64, i64 } { ptr @.str.6276, i64 1, i64 0 }, ptr %a14
-  call void @finch_str_concat(ptr %a12, ptr %a13, ptr %a14)
-  %t15 = load { ptr, i64, i64 }, ptr %a12
-  ret { ptr, i64, i64 } %t15
-}
-
-define internal { ptr, i64, i64 } @finch.linker.cacheDir() {
-entry:
-  %a5 = alloca { ptr, i64, i64 }, align 16
-  %a7 = alloca { ptr, i64, i64 }, align 16
-  %a8 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca { ptr, i64, i64 }, align 16
-  %a17 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %t1 = extractvalue { ptr, i64, i64 } { ptr @.str.6277, i64 14, i64 0 }, 0
-  %t2 = icmp eq ptr %t1, null
-  %t3 = select i1 %t2, ptr @.str.6278, ptr %t1
-  %t4 = call ptr @getenv(ptr %t3)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a5
-  call void @finch_str_from_c(ptr %a5, ptr %t4)
-  %t6 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t6, ptr %a7
-  call void @finch_str_copy(ptr %a8, ptr %a7)
-  %t9 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t9, ptr %a10
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a10, i32 0, i32 1
-  %t12 = load i64, ptr %t11
-  %t13 = icmp sgt i64 %t12, 0
-  br i1 %t13, label %then9115, label %endif9117
-then9115:
-  %t14 = load { ptr, i64, i64 }, ptr %a10
-  store { ptr, i64, i64 } %t14, ptr %a16
-  store { ptr, i64, i64 } { ptr @.str.6279, i64 6, i64 0 }, ptr %a17
-  call void @finch_str_concat(ptr %a15, ptr %a16, ptr %a17)
-  %t18 = load { ptr, i64, i64 }, ptr %a15
-  ret { ptr, i64, i64 } %t18
-endif9117:
-  %t19 = extractvalue { ptr, i64, i64 } { ptr @.str.6280, i64 4, i64 0 }, 0
-  %t20 = icmp eq ptr %t19, null
-  %t21 = select i1 %t20, ptr @.str.6281, ptr %t19
-  %t22 = call ptr @getenv(ptr %t21)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a23
-  call void @finch_str_from_c(ptr %a23, ptr %t22)
-  %t24 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t24, ptr %a25
-  call void @finch_str_copy(ptr %a26, ptr %a25)
-  %t27 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t27, ptr %a28
-  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a28, i32 0, i32 1
-  %t30 = load i64, ptr %t29
-  %t31 = icmp sgt i64 %t30, 0
-  br i1 %t31, label %then9118, label %endif9120
-then9118:
-  %t32 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.6282, i64 13, i64 0 }, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  ret { ptr, i64, i64 } %t36
-endif9120:
-  ret { ptr, i64, i64 } { ptr @.str.6283, i64 16, i64 0 }
+  %t3 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t2)
+  ret { ptr, i64, i64 } %t3
 }
 
 define internal { ptr, i64, i64 } @finch.linker.libFlags({ ptr, i64, i64 } %p0, %S.platform.Target %p1) {
@@ -82177,163 +98899,228 @@ entry:
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
   %a33 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
-  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i64, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
   %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca i64, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a103 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a115 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.platform.Target %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6285, i64 10, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.6519, i64 10, i64 0 }, ptr %a6
   %t7 = call i32 @finch_str_ends(ptr %a4, ptr %a6)
   %t8 = icmp ne i32 %t7, 0
-  br i1 %t8, label %then9121, label %endif9123
-then9121:
+  br i1 %t8, label %then9622, label %endif9624
+then9622:
   %t9 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t9, ptr %a10
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = sub i64 %t13, 10
-  call void @finch_str_sub(ptr %a11, ptr %a10, i64 0, i64 %t14, ptr @.str.6287, i64 42)
+  call void @finch_str_sub(ptr %a11, ptr %a10, i64 0, i64 %t14, ptr @.str.6521, i64 28)
   %t15 = load { ptr, i64, i64 }, ptr %a11
   %t16 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t15)
-  store { ptr, i64, i64 } { ptr @.str.6286, i64 11, i64 0 }, ptr %a18
-  store { ptr, i64, i64 } %t16, ptr %a19
-  call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
-  %t20 = load { ptr, i64, i64 }, ptr %a17
-  ret { ptr, i64, i64 } %t20
-endif9123:
-  %t21 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
-  %t22 = load i1, ptr %t21
-  %t23 = xor i1 %t22, true
-  br i1 %t23, label %then9124, label %endif9126
-then9124:
-  store { ptr, i64, i64 } { ptr @.str.6288, i64 24, i64 0 }, ptr %a24
-  %t25 = load { ptr, i64, i64 }, ptr %a1
-  %t26 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t25)
-  store { ptr, i64, i64 } { ptr @.str.6289, i64 18, i64 0 }, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
+  store { ptr, i64, i64 } %t15, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  store { ptr, i64, i64 } { ptr @.str.6520, i64 11, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } %t16, ptr %a20
+  call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
+  store { ptr, i64, i64 } %t16, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  ret { ptr, i64, i64 } %t22
+endif9624:
+  %t23 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
+  %t24 = load i1, ptr %t23
+  %t25 = xor i1 %t24, true
+  br i1 %t25, label %then9625, label %endif9627
+then9625:
+  %t26 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t26, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.6522, i64 17, i64 0 }, ptr %a29
   call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.6290, i64 4, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  %t35 = load { ptr, i64, i64 }, ptr %a24
+  store { ptr, i64, i64 } %t26, ptr %a30
+  call void @finch_str_drop(ptr %a30)
+  %t31 = load { ptr, i64, i64 }, ptr %a27
+  %t32 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a33, i64 %t32)
+  %t34 = load { ptr, i64, i64 }, ptr %a33
+  store { ptr, i64, i64 } %t31, ptr %a36
   store { ptr, i64, i64 } %t34, ptr %a37
-  store { ptr, i64, i64 } %t35, ptr %a38
-  call void @finch_str_concat(ptr %a36, ptr %a37, ptr %a38)
-  %t39 = load { ptr, i64, i64 }, ptr %a36
-  store { ptr, i64, i64 } %t39, ptr %a41
-  store { ptr, i64, i64 } { ptr @.str.6291, i64 14, i64 0 }, ptr %a42
-  call void @finch_str_concat(ptr %a40, ptr %a41, ptr %a42)
-  %t43 = load { ptr, i64, i64 }, ptr %a40
-  store { ptr, i64, i64 } %t43, ptr %a45
-  call void @finch_str_copy(ptr %a44, ptr %a45)
-  %t46 = call i64 @finch_shell(ptr %a44)
-  store i64 %t46, ptr %a47
-  %t48 = load i64, ptr %a47
-  %t49 = icmp eq i64 %t48, 0
-  br label %logic.from9127
-logic.from9127:
-  br i1 %t49, label %logic.rhs9128, label %logic.end9129
-logic.rhs9128:
-  %t50 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t50, ptr %a51
-  %t52 = call i32 @finch_file_exists(ptr %a51)
-  %t53 = icmp ne i32 %t52, 0
-  br label %logic.rend9130
-logic.rend9130:
-  br label %logic.end9129
-logic.end9129:
-  %t54 = phi i1 [ false, %logic.from9127 ], [ %t53, %logic.rend9130 ]
-  br i1 %t54, label %then9131, label %endif9133
-then9131:
-  %t55 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t55, ptr %a56
-  store { ptr, i64, i64 } zeroinitializer, ptr %a57
-  store { ptr, i64, i64 } zeroinitializer, ptr %a58
-  %t59 = call i32 @finch_try_read_file(ptr %a57, ptr %a56, ptr %a58)
-  %t60 = icmp eq i32 %t59, 0
-  %t61 = load { ptr, i64, i64 }, ptr %a58
-  %t62 = load { ptr, i64, i64 }, ptr %a57
-  br i1 %t60, label %or.failed9134, label %or.ok9135
-or.failed9134:
-  store { ptr, i64, i64 } %t61, ptr %a63
-  br label %or.bend9136
-or.bend9136:
-  br label %or.end9137
-or.ok9135:
-  br label %or.end9137
-or.end9137:
-  %t64 = phi { ptr, i64, i64 } [ { ptr @.str.6292, i64 0, i64 0 }, %or.bend9136 ], [ %t62, %or.ok9135 ]
-  store { ptr, i64, i64 } %t64, ptr %a65
-  call void @finch_str_trim(ptr %a66, ptr %a65)
-  %t67 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t67, ptr %a68
-  %t69 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.6294, i64 7, i64 0 }, ptr %a71
-  store { ptr, i64, i64 } %t69, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.6295, i64 1, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a79
-  call void @finch_str_copy(ptr %a78, ptr %a79)
-  %t80 = call i64 @finch_shell(ptr %a78)
-  %t81 = getelementptr inbounds { ptr, i64, i64 }, ptr %a68, i32 0, i32 1
-  %t82 = load i64, ptr %t81
-  %t83 = icmp sgt i64 %t82, 0
-  br i1 %t83, label %then9138, label %endif9140
-then9138:
-  %t84 = load { ptr, i64, i64 }, ptr %a68
-  ret { ptr, i64, i64 } %t84
-endif9140:
-  br label %endif9133
-endif9133:
-  br label %endif9126
-endif9126:
-  %t85 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6296, i64 2, i64 0 }, ptr %a87
-  store { ptr, i64, i64 } %t85, ptr %a88
-  call void @finch_str_concat(ptr %a86, ptr %a87, ptr %a88)
-  %t89 = load { ptr, i64, i64 }, ptr %a86
-  %t90 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t89)
-  ret { ptr, i64, i64 } %t90
+  call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
+  store { ptr, i64, i64 } %t31, ptr %a38
+  call void @finch_str_drop(ptr %a38)
+  store { ptr, i64, i64 } %t34, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  %t40 = load { ptr, i64, i64 }, ptr %a35
+  store { ptr, i64, i64 } %t40, ptr %a42
+  store { ptr, i64, i64 } { ptr @.str.6523, i64 4, i64 0 }, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t45, ptr %a46
+  %t47 = load { ptr, i64, i64 }, ptr %a1
+  %t48 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t47)
+  store { ptr, i64, i64 } { ptr @.str.6524, i64 18, i64 0 }, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t48, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  %t53 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t53, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.6525, i64 3, i64 0 }, ptr %a56
+  call void @finch_str_concat(ptr %a54, ptr %a55, ptr %a56)
+  store { ptr, i64, i64 } %t53, ptr %a57
+  call void @finch_str_drop(ptr %a57)
+  %t58 = load { ptr, i64, i64 }, ptr %a54
+  %t59 = load { ptr, i64, i64 }, ptr %a46
+  %t60 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t59)
+  store { ptr, i64, i64 } %t58, ptr %a62
+  store { ptr, i64, i64 } %t60, ptr %a63
+  call void @finch_str_concat(ptr %a61, ptr %a62, ptr %a63)
+  store { ptr, i64, i64 } %t58, ptr %a64
+  call void @finch_str_drop(ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a61
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.6526, i64 4, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = call { ptr, i64, i64 } @finch.host.nullDevice()
+  store { ptr, i64, i64 } %t71, ptr %a74
+  store { ptr, i64, i64 } %t72, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  store { ptr, i64, i64 } %t71, ptr %a76
+  call void @finch_str_drop(ptr %a76)
+  store { ptr, i64, i64 } %t72, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  %t78 = load { ptr, i64, i64 }, ptr %a73
+  %t79 = call i64 @finch.host.run({ ptr, i64, i64 } %t78)
+  store { ptr, i64, i64 } %t78, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  store i64 %t79, ptr %a81
+  %t82 = load i64, ptr %a81
+  %t83 = icmp eq i64 %t82, 0
+  br label %logic.from9628
+logic.from9628:
+  br i1 %t83, label %logic.rhs9629, label %logic.end9630
+logic.rhs9629:
+  %t84 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t84, ptr %a85
+  %t86 = call i32 @finch_file_exists(ptr %a85)
+  %t87 = icmp ne i32 %t86, 0
+  br label %logic.rend9631
+logic.rend9631:
+  br label %logic.end9630
+logic.end9630:
+  %t88 = phi i1 [ false, %logic.from9628 ], [ %t87, %logic.rend9631 ]
+  br i1 %t88, label %then9632, label %endif9634
+then9632:
+  %t89 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t89, ptr %a90
+  store { ptr, i64, i64 } zeroinitializer, ptr %a91
+  store { ptr, i64, i64 } zeroinitializer, ptr %a92
+  %t93 = call i32 @finch_try_read_file(ptr %a91, ptr %a90, ptr %a92)
+  %t94 = icmp eq i32 %t93, 0
+  %t95 = load { ptr, i64, i64 }, ptr %a92
+  %t96 = load { ptr, i64, i64 }, ptr %a91
+  br i1 %t94, label %or.failed9635, label %or.ok9636
+or.failed9635:
+  store { ptr, i64, i64 } %t95, ptr %a97
+  call void @finch_str_drop(ptr %a97)
+  br label %or.bend9637
+or.bend9637:
+  br label %or.end9638
+or.ok9636:
+  br label %or.end9638
+or.end9638:
+  %t98 = phi { ptr, i64, i64 } [ { ptr @.str.6527, i64 0, i64 0 }, %or.bend9637 ], [ %t96, %or.ok9636 ]
+  store { ptr, i64, i64 } %t98, ptr %a99
+  call void @finch_str_trim(ptr %a100, ptr %a99)
+  %t101 = load { ptr, i64, i64 }, ptr %a100
+  store { ptr, i64, i64 } %t98, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  store { ptr, i64, i64 } %t101, ptr %a103
+  %t104 = load { ptr, i64, i64 }, ptr %a46
+  call void @finch.host.remove({ ptr, i64, i64 } %t104)
+  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %a103, i32 0, i32 1
+  %t106 = load i64, ptr %t105
+  %t107 = icmp sgt i64 %t106, 0
+  br i1 %t107, label %then9639, label %endif9641
+then9639:
+  %t108 = load { ptr, i64, i64 }, ptr %a103
+  call void @finch_str_drop(ptr %a46)
+  ret { ptr, i64, i64 } %t108
+endif9641:
+  call void @finch_str_drop(ptr %a103)
+  br label %endif9634
+endif9634:
+  call void @finch_str_drop(ptr %a46)
+  br label %endif9627
+endif9627:
+  %t109 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } { ptr @.str.6529, i64 2, i64 0 }, ptr %a111
+  store { ptr, i64, i64 } %t109, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  %t113 = load { ptr, i64, i64 }, ptr %a110
+  %t114 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t113)
+  store { ptr, i64, i64 } %t113, ptr %a115
+  call void @finch_str_drop(ptr %a115)
+  ret { ptr, i64, i64 } %t114
 }
 
 define internal { ptr, i64, i64 } @finch.linker.guessLib({ ptr, i64, i64 } %p0) {
@@ -82349,16 +99136,19 @@ entry:
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
-  %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca i64, align 16
-  %a33 = alloca i64, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca i64, align 16
+  %a35 = alloca i64, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -82367,145 +99157,155 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6298, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6531, i64 1, i64 0 }, ptr %a10
   %t11 = call i64 @finch_str_find(ptr %a8, ptr %a10)
   store i64 %t11, ptr %a12
-  br label %while.cond9141
-while.cond9141:
+  br label %while.cond9642
+while.cond9642:
   %t13 = load i64, ptr %a12
   %t14 = icmp sge i64 %t13, 0
-  br i1 %t14, label %while.body9142, label %while.end9143
-while.body9142:
+  br i1 %t14, label %while.body9643, label %while.end9644
+while.body9643:
   %t15 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t15, ptr %a16
   %t18 = load i64, ptr %a12
   %t19 = add i64 %t18, 1
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
   %t21 = load i64, ptr %t20
-  call void @finch_str_sub(ptr %a17, ptr %a16, i64 %t19, i64 %t21, ptr @.str.6299, i64 63)
+  call void @finch_str_sub(ptr %a17, ptr %a16, i64 %t19, i64 %t21, ptr @.str.6532, i64 49)
   %t22 = load { ptr, i64, i64 }, ptr %a17
-  store { ptr, i64, i64 } %t22, ptr %a6
   %t23 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t22, ptr %a6
   store { ptr, i64, i64 } %t23, ptr %a24
-  store { ptr, i64, i64 } { ptr @.str.6301, i64 1, i64 0 }, ptr %a26
-  %t27 = call i64 @finch_str_find(ptr %a24, ptr %a26)
-  store i64 %t27, ptr %a12
-  br label %while.cond9141
-while.end9143:
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t29 = load i64, ptr %t28
-  store i64 %t29, ptr %a30
-  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t32 = load i64, ptr %t31
-  store i64 0, ptr %a33
-  br label %for.cond9144
-for.cond9144:
-  %t34 = load i64, ptr %a33
-  %t35 = icmp slt i64 %t34, %t32
-  br i1 %t35, label %for.body9145, label %for.end9147
-for.body9145:
-  %t36 = load i64, ptr %a33
-  %t37 = load { ptr, i64, i64 }, ptr %a6
-  %t38 = extractvalue { ptr, i64, i64 } %t37, 1
-  %t39 = icmp uge i64 %t36, %t38
-  br i1 %t39, label %range9148, label %inrange9149
-range9148:
-  call void @finch_panic_index(ptr @.str.6302, i64 68, i64 %t36, i64 %t38)
+  call void @finch_str_drop(ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t25, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.6534, i64 1, i64 0 }, ptr %a28
+  %t29 = call i64 @finch_str_find(ptr %a26, ptr %a28)
+  store i64 %t29, ptr %a12
+  br label %while.cond9642
+while.end9644:
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t31 = load i64, ptr %t30
+  store i64 %t31, ptr %a32
+  %t33 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t34 = load i64, ptr %t33
+  store i64 0, ptr %a35
+  br label %for.cond9645
+for.cond9645:
+  %t36 = load i64, ptr %a35
+  %t37 = icmp slt i64 %t36, %t34
+  br i1 %t37, label %for.body9646, label %for.end9648
+for.body9646:
+  %t38 = load i64, ptr %a35
+  %t39 = load { ptr, i64, i64 }, ptr %a6
+  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
+  %t41 = icmp uge i64 %t38, %t40
+  br i1 %t41, label %range9649, label %inrange9650
+range9649:
+  call void @finch_panic_index(ptr @.str.6535, i64 54, i64 %t38, i64 %t40)
   unreachable
-inrange9149:
-  %t40 = extractvalue { ptr, i64, i64 } %t37, 0
-  %t41 = getelementptr inbounds i8, ptr %t40, i64 %t36
-  %t42 = load i8, ptr %t41
-  %t43 = icmp eq i8 %t42, 46
-  br i1 %t43, label %then9150, label %endif9152
-then9150:
-  %t44 = load i64, ptr %a33
-  store i64 %t44, ptr %a30
-  br label %endif9152
-endif9152:
-  br label %for.step9146
-for.step9146:
-  %t45 = load i64, ptr %a33
-  %t46 = add i64 %t45, 1
-  store i64 %t46, ptr %a33
-  br label %for.cond9144
-for.end9147:
-  %t47 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t47, ptr %a48
-  %t50 = load i64, ptr %a30
-  call void @finch_str_sub(ptr %a49, ptr %a48, i64 0, i64 %t50, ptr @.str.6303, i64 72)
-  %t51 = load { ptr, i64, i64 }, ptr %a49
-  store { ptr, i64, i64 } %t51, ptr %a6
-  br label %while.cond9153
-while.cond9153:
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t53 = load i64, ptr %t52
-  %t54 = icmp sgt i64 %t53, 0
-  br label %logic.from9156
-logic.from9156:
-  br i1 %t54, label %logic.rhs9157, label %logic.end9158
-logic.rhs9157:
-  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t56 = load i64, ptr %t55
-  %t57 = sub i64 %t56, 1
-  %t58 = load { ptr, i64, i64 }, ptr %a6
-  %t59 = extractvalue { ptr, i64, i64 } %t58, 1
-  %t60 = icmp uge i64 %t57, %t59
-  br i1 %t60, label %range9159, label %inrange9160
-range9159:
-  call void @finch_panic_index(ptr @.str.6304, i64 73, i64 %t57, i64 %t59)
+inrange9650:
+  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
+  %t43 = getelementptr inbounds i8, ptr %t42, i64 %t38
+  %t44 = load i8, ptr %t43
+  %t45 = icmp eq i8 %t44, 46
+  br i1 %t45, label %then9651, label %endif9653
+then9651:
+  %t46 = load i64, ptr %a35
+  store i64 %t46, ptr %a32
+  br label %endif9653
+endif9653:
+  br label %for.step9647
+for.step9647:
+  %t47 = load i64, ptr %a35
+  %t48 = add i64 %t47, 1
+  store i64 %t48, ptr %a35
+  br label %for.cond9645
+for.end9648:
+  %t49 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t49, ptr %a50
+  %t52 = load i64, ptr %a32
+  call void @finch_str_sub(ptr %a51, ptr %a50, i64 0, i64 %t52, ptr @.str.6536, i64 58)
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  %t54 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t53, ptr %a6
+  store { ptr, i64, i64 } %t54, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  br label %while.cond9654
+while.cond9654:
+  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t57 = load i64, ptr %t56
+  %t58 = icmp sgt i64 %t57, 0
+  br label %logic.from9657
+logic.from9657:
+  br i1 %t58, label %logic.rhs9658, label %logic.end9659
+logic.rhs9658:
+  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t60 = load i64, ptr %t59
+  %t61 = sub i64 %t60, 1
+  %t62 = load { ptr, i64, i64 }, ptr %a6
+  %t63 = extractvalue { ptr, i64, i64 } %t62, 1
+  %t64 = icmp uge i64 %t61, %t63
+  br i1 %t64, label %range9660, label %inrange9661
+range9660:
+  call void @finch_panic_index(ptr @.str.6537, i64 59, i64 %t61, i64 %t63)
   unreachable
-inrange9160:
-  %t61 = extractvalue { ptr, i64, i64 } %t58, 0
-  %t62 = getelementptr inbounds i8, ptr %t61, i64 %t57
-  %t63 = load i8, ptr %t62
-  %t64 = icmp uge i8 %t63, 48
-  br label %logic.rend9161
-logic.rend9161:
-  br label %logic.end9158
-logic.end9158:
-  %t65 = phi i1 [ false, %logic.from9156 ], [ %t64, %logic.rend9161 ]
-  br label %logic.from9162
-logic.from9162:
-  br i1 %t65, label %logic.rhs9163, label %logic.end9164
-logic.rhs9163:
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t67 = load i64, ptr %t66
-  %t68 = sub i64 %t67, 1
-  %t69 = load { ptr, i64, i64 }, ptr %a6
-  %t70 = extractvalue { ptr, i64, i64 } %t69, 1
-  %t71 = icmp uge i64 %t68, %t70
-  br i1 %t71, label %range9165, label %inrange9166
-range9165:
-  call void @finch_panic_index(ptr @.str.6305, i64 73, i64 %t68, i64 %t70)
+inrange9661:
+  %t65 = extractvalue { ptr, i64, i64 } %t62, 0
+  %t66 = getelementptr inbounds i8, ptr %t65, i64 %t61
+  %t67 = load i8, ptr %t66
+  %t68 = icmp uge i8 %t67, 48
+  br label %logic.rend9662
+logic.rend9662:
+  br label %logic.end9659
+logic.end9659:
+  %t69 = phi i1 [ false, %logic.from9657 ], [ %t68, %logic.rend9662 ]
+  br label %logic.from9663
+logic.from9663:
+  br i1 %t69, label %logic.rhs9664, label %logic.end9665
+logic.rhs9664:
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t71 = load i64, ptr %t70
+  %t72 = sub i64 %t71, 1
+  %t73 = load { ptr, i64, i64 }, ptr %a6
+  %t74 = extractvalue { ptr, i64, i64 } %t73, 1
+  %t75 = icmp uge i64 %t72, %t74
+  br i1 %t75, label %range9666, label %inrange9667
+range9666:
+  call void @finch_panic_index(ptr @.str.6538, i64 59, i64 %t72, i64 %t74)
   unreachable
-inrange9166:
-  %t72 = extractvalue { ptr, i64, i64 } %t69, 0
-  %t73 = getelementptr inbounds i8, ptr %t72, i64 %t68
-  %t74 = load i8, ptr %t73
-  %t75 = icmp ule i8 %t74, 57
-  br label %logic.rend9167
-logic.rend9167:
-  br label %logic.end9164
-logic.end9164:
-  %t76 = phi i1 [ false, %logic.from9162 ], [ %t75, %logic.rend9167 ]
-  br i1 %t76, label %while.body9154, label %while.end9155
-while.body9154:
-  %t77 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t81 = load i64, ptr %t80
-  %t82 = sub i64 %t81, 1
-  call void @finch_str_sub(ptr %a79, ptr %a78, i64 0, i64 %t82, ptr @.str.6306, i64 74)
-  %t83 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t83, ptr %a6
-  br label %while.cond9153
-while.end9155:
-  %t84 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t84, ptr %a85
-  call void @finch_str_lower(ptr %a86, ptr %a85)
-  %t87 = load { ptr, i64, i64 }, ptr %a86
-  ret { ptr, i64, i64 } %t87
+inrange9667:
+  %t76 = extractvalue { ptr, i64, i64 } %t73, 0
+  %t77 = getelementptr inbounds i8, ptr %t76, i64 %t72
+  %t78 = load i8, ptr %t77
+  %t79 = icmp ule i8 %t78, 57
+  br label %logic.rend9668
+logic.rend9668:
+  br label %logic.end9665
+logic.end9665:
+  %t80 = phi i1 [ false, %logic.from9663 ], [ %t79, %logic.rend9668 ]
+  br i1 %t80, label %while.body9655, label %while.end9656
+while.body9655:
+  %t81 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t81, ptr %a82
+  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t85 = load i64, ptr %t84
+  %t86 = sub i64 %t85, 1
+  call void @finch_str_sub(ptr %a83, ptr %a82, i64 0, i64 %t86, ptr @.str.6539, i64 60)
+  %t87 = load { ptr, i64, i64 }, ptr %a83
+  %t88 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t87, ptr %a6
+  store { ptr, i64, i64 } %t88, ptr %a89
+  call void @finch_str_drop(ptr %a89)
+  br label %while.cond9654
+while.end9656:
+  %t90 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t90, ptr %a91
+  call void @finch_str_lower(ptr %a92, ptr %a91)
+  %t93 = load { ptr, i64, i64 }, ptr %a92
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t93
 }
 
 define internal void @finch.linker.Names.add(ptr %self, { ptr, i64, i64 } %p0) {
@@ -82521,10 +99321,10 @@ entry:
   %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t3 = load i64, ptr %t2
   %t4 = icmp sgt i64 %t3, 0
-  br label %logic.from9168
-logic.from9168:
-  br i1 %t4, label %logic.rhs9169, label %logic.end9170
-logic.rhs9169:
+  br label %logic.from9669
+logic.from9669:
+  br i1 %t4, label %logic.rhs9670, label %logic.end9671
+logic.rhs9670:
   %t5 = getelementptr inbounds %S.linker.Names, ptr %self, i32 0, i32 0
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a1
@@ -82532,37 +99332,37 @@ logic.rhs9169:
   %t9 = load i64, ptr %t6
   %t10 = load ptr, ptr %t5
   store i64 0, ptr %a11
-  br label %find.cond9171
-find.cond9171:
+  br label %find.cond9672
+find.cond9672:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t9
-  br i1 %t13, label %find.body9172, label %find.end9175
-find.body9172:
+  br i1 %t13, label %find.body9673, label %find.end9676
+find.body9673:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t12
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
   store { ptr, i64, i64 } %t7, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %find.hit9173, label %find.next9174
-find.hit9173:
+  br i1 %t19, label %find.hit9674, label %find.next9675
+find.hit9674:
   store i64 %t12, ptr %a8
-  br label %find.end9175
-find.next9174:
+  br label %find.end9676
+find.next9675:
   %t20 = add i64 %t12, 1
   store i64 %t20, ptr %a11
-  br label %find.cond9171
-find.end9175:
+  br label %find.cond9672
+find.end9676:
   %t21 = load i64, ptr %a8
   %t22 = icmp sge i64 %t21, 0
   %t23 = xor i1 %t22, true
-  br label %logic.rend9176
-logic.rend9176:
-  br label %logic.end9170
-logic.end9170:
-  %t24 = phi i1 [ false, %logic.from9168 ], [ %t23, %logic.rend9176 ]
-  br i1 %t24, label %then9177, label %endif9179
-then9177:
+  br label %logic.rend9677
+logic.rend9677:
+  br label %logic.end9671
+logic.end9671:
+  %t24 = phi i1 [ false, %logic.from9669 ], [ %t23, %logic.rend9677 ]
+  br i1 %t24, label %then9678, label %endif9680
+then9678:
   %t25 = getelementptr inbounds %S.linker.Names, ptr %self, i32 0, i32 0
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i32 0, i32 1
   %t27 = load { ptr, i64, i64 }, ptr %a1
@@ -82576,8 +99376,8 @@ then9177:
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
   store { ptr, i64, i64 } %t30, ptr %t34
   store i64 %t32, ptr %t26
-  br label %endif9179
-endif9179:
+  br label %endif9680
+endif9680:
   ret void
 }
 
@@ -82598,8 +99398,9 @@ entry:
   %a31 = alloca { ptr, i64, i64 }, align 16
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -82611,10 +99412,10 @@ entry:
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br i1 %t12, label %then9180, label %endif9182
-then9180:
-  ret { ptr, i64, i64 } { ptr @.str.6309, i64 0, i64 0 }
-endif9182:
+  br i1 %t12, label %then9681, label %endif9683
+then9681:
+  ret { ptr, i64, i64 } { ptr @.str.6542, i64 0, i64 0 }
+endif9683:
   %t13 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t13, ptr %a14
   %t16 = load i64, ptr %a10
@@ -82623,31 +99424,31 @@ endif9182:
   %t19 = add i64 %t16, %t18
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t21 = load i64, ptr %t20
-  call void @finch_str_sub(ptr %a15, ptr %a14, i64 %t19, i64 %t21, ptr @.str.6310, i64 95)
+  call void @finch_str_sub(ptr %a15, ptr %a14, i64 %t19, i64 %t21, ptr @.str.6543, i64 81)
   %t22 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t22, ptr %a23
   store i64 0, ptr %a24
-  br label %while.cond9183
-while.cond9183:
+  br label %while.cond9684
+while.cond9684:
   %t25 = load i64, ptr %a24
   %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %a23, i32 0, i32 1
   %t27 = load i64, ptr %t26
   %t28 = icmp slt i64 %t25, %t27
-  br label %logic.from9186
-logic.from9186:
-  br i1 %t28, label %logic.rhs9187, label %logic.end9188
-logic.rhs9187:
+  br label %logic.from9687
+logic.from9687:
+  br i1 %t28, label %logic.rhs9688, label %logic.end9689
+logic.rhs9688:
   %t29 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t29, ptr %a30
   %t32 = load i64, ptr %a24
   %t33 = load { ptr, i64, i64 }, ptr %a23
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range9189, label %inrange9190
-range9189:
-  call void @finch_panic_index(ptr @.str.6312, i64 97, i64 %t32, i64 %t34)
+  br i1 %t35, label %range9690, label %inrange9691
+range9690:
+  call void @finch_panic_index(ptr @.str.6545, i64 83, i64 %t32, i64 %t34)
   unreachable
-inrange9190:
+inrange9691:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds i8, ptr %t36, i64 %t32
   %t38 = load i8, ptr %t37
@@ -82656,25 +99457,60 @@ inrange9190:
   store { ptr, i64, i64 } %t40, ptr %a41
   %t42 = call i64 @finch_str_find(ptr %a30, ptr %a41)
   %t43 = icmp sge i64 %t42, 0
-  %t44 = xor i1 %t43, true
-  br label %logic.rend9191
-logic.rend9191:
-  br label %logic.end9188
-logic.end9188:
-  %t45 = phi i1 [ false, %logic.from9186 ], [ %t44, %logic.rend9191 ]
-  br i1 %t45, label %while.body9184, label %while.end9185
-while.body9184:
-  %t46 = load i64, ptr %a24
-  %t47 = add i64 %t46, 1
-  store i64 %t47, ptr %a24
-  br label %while.cond9183
-while.end9185:
-  %t48 = load { ptr, i64, i64 }, ptr %a23
-  store { ptr, i64, i64 } %t48, ptr %a49
-  %t51 = load i64, ptr %a24
-  call void @finch_str_sub(ptr %a50, ptr %a49, i64 0, i64 %t51, ptr @.str.6313, i64 100)
-  %t52 = load { ptr, i64, i64 }, ptr %a50
-  ret { ptr, i64, i64 } %t52
+  store { ptr, i64, i64 } %t40, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = xor i1 %t43, true
+  br label %logic.rend9692
+logic.rend9692:
+  br label %logic.end9689
+logic.end9689:
+  %t46 = phi i1 [ false, %logic.from9687 ], [ %t45, %logic.rend9692 ]
+  br i1 %t46, label %while.body9685, label %while.end9686
+while.body9685:
+  %t47 = load i64, ptr %a24
+  %t48 = add i64 %t47, 1
+  store i64 %t48, ptr %a24
+  br label %while.cond9684
+while.end9686:
+  %t49 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t49, ptr %a50
+  %t52 = load i64, ptr %a24
+  call void @finch_str_sub(ptr %a51, ptr %a50, i64 0, i64 %t52, ptr @.str.6546, i64 86)
+  %t53 = load { ptr, i64, i64 }, ptr %a51
+  call void @finch_str_drop(ptr %a23)
+  ret { ptr, i64, i64 } %t53
+}
+
+define internal void @finch.drop.S_linker_Names(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.linker.Names, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_linker_Names(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond9796
+n.cond9796:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body9797, label %n.end9798
+n.body9797:
+  %t7 = getelementptr inbounds %S.linker.Names, ptr %t1, i64 %t5
+  call void @finch.drop.S_linker_Names(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond9796
+n.end9798:
+  call void @finch_arr_free(ptr %a)
+  ret void
 }
 
 define internal i64 @finch.linker.linkFailed({ ptr, i64, i64 } %p0, %S.cimport.CImports %p1, %S.platform.Target %p2) {
@@ -82697,125 +99533,153 @@ entry:
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
   %a38 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
   %a46 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
+  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
   %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a112 = alloca { ptr, i64, i64 }, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a127 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a145 = alloca { ptr, i64, i64 }, align 16
-  %a146 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca i64, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
-  %a168 = alloca { ptr, i64, i64 }, align 16
-  %a169 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca i64, align 16
+  %a176 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a179 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca { ptr, i64, i64 }, align 16
+  %a183 = alloca { ptr, i64, i64 }, align 16
   %a184 = alloca { ptr, i64, i64 }, align 16
   %a185 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca i64, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a197 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca i64, align 16
   %a208 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca i64, align 16
-  %a223 = alloca i64, align 16
+  %a209 = alloca { ptr, i64, i64 }, align 16
+  %a212 = alloca { ptr, i64, i64 }, align 16
+  %a217 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca i64, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
-  %a240 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca i64, align 16
-  %a276 = alloca { ptr, i64, i64 }, align 16
-  %a277 = alloca { ptr, i64, i64 }, align 16
-  %a279 = alloca { ptr, i64, i64 }, align 16
-  %a280 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca i64, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a297 = alloca { ptr, i64, i64 }, align 16
-  %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
-  %a309 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
-  %a315 = alloca { ptr, i64, i64 }, align 16
-  %a316 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
+  %a235 = alloca i64, align 16
+  %a238 = alloca i64, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca i64, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca i64, align 16
+  %a291 = alloca { ptr, i64, i64 }, align 16
+  %a292 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a298 = alloca i64, align 16
+  %a311 = alloca { ptr, i64, i64 }, align 16
+  %a312 = alloca { ptr, i64, i64 }, align 16
   %a321 = alloca { ptr, i64, i64 }, align 16
-  %a323 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
   %a324 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a327 = alloca { ptr, i64, i64 }, align 16
-  %a328 = alloca { ptr, i64, i64 }, align 16
   %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a338 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a340 = alloca { ptr, i64, i64 }, align 16
   %a341 = alloca { ptr, i64, i64 }, align 16
   %a342 = alloca { ptr, i64, i64 }, align 16
-  %a343 = alloca { ptr, i64, i64 }, align 16
-  %a352 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca { ptr, i64, i64 }, align 16
-  %a358 = alloca { ptr, i64, i64 }, align 16
-  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
+  %a346 = alloca { ptr, i64, i64 }, align 16
+  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a350 = alloca { ptr, i64, i64 }, align 16
   %a361 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
-  %a366 = alloca { ptr, i64, i64 }, align 16
-  %a367 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
-  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a380 = alloca { ptr, i64, i64 }, align 16
   %a381 = alloca { ptr, i64, i64 }, align 16
   %a382 = alloca { ptr, i64, i64 }, align 16
-  %a383 = alloca { ptr, i64, i64 }, align 16
+  %a384 = alloca { ptr, i64, i64 }, align 16
   %a385 = alloca { ptr, i64, i64 }, align 16
   %a386 = alloca { ptr, i64, i64 }, align 16
   %a387 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
-  %a427 = alloca { ptr, i64, i64 }, align 16
-  %a429 = alloca { ptr, i64, i64 }, align 16
-  %a430 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
+  %a390 = alloca { ptr, i64, i64 }, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a393 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca { ptr, i64, i64 }, align 16
+  %a407 = alloca { ptr, i64, i64 }, align 16
+  %a408 = alloca { ptr, i64, i64 }, align 16
+  %a409 = alloca { ptr, i64, i64 }, align 16
+  %a410 = alloca { ptr, i64, i64 }, align 16
+  %a412 = alloca { ptr, i64, i64 }, align 16
+  %a413 = alloca { ptr, i64, i64 }, align 16
+  %a414 = alloca { ptr, i64, i64 }, align 16
+  %a415 = alloca { ptr, i64, i64 }, align 16
+  %a423 = alloca { ptr, i64, i64 }, align 16
+  %a454 = alloca { ptr, i64, i64 }, align 16
+  %a455 = alloca { ptr, i64, i64 }, align 16
+  %a456 = alloca { ptr, i64, i64 }, align 16
+  %a457 = alloca { ptr, i64, i64 }, align 16
+  %a459 = alloca { ptr, i64, i64 }, align 16
+  %a460 = alloca { ptr, i64, i64 }, align 16
+  %a461 = alloca { ptr, i64, i64 }, align 16
+  %a462 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.cimport.CImports %p1, ptr %a2
   store %S.platform.Target %p2, ptr %a3
@@ -82823,19 +99687,19 @@ entry:
   store %S.linker.Names zeroinitializer, ptr %a5
   %t6 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t6, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.6315, i64 1, i64 0 }, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.6548, i64 1, i64 0 }, ptr %a9
   call void @finch_str_split(ptr %a10, ptr %a7, ptr %a9)
   %t11 = load { ptr, i64, i64 }, ptr %a10
   store { ptr, i64, i64 } %t11, ptr %a12
   store i64 0, ptr %a13
-  br label %each.cond9192
-each.cond9192:
+  br label %each.cond9693
+each.cond9693:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a12, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = load i64, ptr %a13
   %t17 = icmp slt i64 %t16, %t15
-  br i1 %t17, label %each.body9193, label %each.end9195
-each.body9193:
+  br i1 %t17, label %each.body9694, label %each.end9696
+each.body9694:
   %t18 = load ptr, ptr %a12
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %t18, i64 %t16
   %t20 = load { ptr, i64, i64 }, ptr %t19
@@ -82847,636 +99711,713 @@ each.body9193:
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t27, ptr %a28
-  store { ptr, i64, i64 } { ptr @.str.6318, i64 24, i64 0 }, ptr %a30
+  store { ptr, i64, i64 } { ptr @.str.6551, i64 24, i64 0 }, ptr %a30
   %t31 = call i64 @finch_str_find(ptr %a28, ptr %a30)
   %t32 = icmp sge i64 %t31, 0
-  br i1 %t32, label %then9196, label %else9197
-then9196:
+  br i1 %t32, label %then9697, label %else9698
+then9697:
   %t33 = load { ptr, i64, i64 }, ptr %a26
-  %t34 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t33, { ptr, i64, i64 } { ptr @.str.6319, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6320, i64 1, i64 0 })
+  %t34 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t33, { ptr, i64, i64 } { ptr @.str.6552, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6553, i64 1, i64 0 })
   call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t34)
-  br label %endif9198
-else9197:
-  %t35 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t35, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.6322, i64 18, i64 0 }, ptr %a38
-  %t39 = call i64 @finch_str_find(ptr %a36, ptr %a38)
-  %t40 = icmp sge i64 %t39, 0
-  br i1 %t40, label %then9199, label %else9200
-then9199:
-  %t41 = load { ptr, i64, i64 }, ptr %a26
-  %t42 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t41, { ptr, i64, i64 } { ptr @.str.6323, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6324, i64 2, i64 0 })
-  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t42)
-  br label %endif9201
-else9200:
-  %t43 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t34, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  br label %endif9699
+else9698:
+  %t36 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t36, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.6555, i64 18, i64 0 }, ptr %a39
+  %t40 = call i64 @finch_str_find(ptr %a37, ptr %a39)
+  %t41 = icmp sge i64 %t40, 0
+  br i1 %t41, label %then9700, label %else9701
+then9700:
+  %t42 = load { ptr, i64, i64 }, ptr %a26
+  %t43 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t42, { ptr, i64, i64 } { ptr @.str.6556, i64 18, i64 0 }, { ptr, i64, i64 } { ptr @.str.6557, i64 2, i64 0 })
+  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t43)
   store { ptr, i64, i64 } %t43, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.6326, i64 27, i64 0 }, ptr %a46
-  %t47 = call i64 @finch_str_find(ptr %a44, ptr %a46)
-  %t48 = icmp sge i64 %t47, 0
-  br i1 %t48, label %then9202, label %else9203
-then9202:
-  %t49 = load { ptr, i64, i64 }, ptr %a26
-  %t50 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t49, { ptr, i64, i64 } { ptr @.str.6327, i64 27, i64 0 }, { ptr, i64, i64 } { ptr @.str.6328, i64 3, i64 0 })
-  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t50)
-  br label %endif9204
-else9203:
+  call void @finch_str_drop(ptr %a44)
+  br label %endif9702
+else9701:
+  %t45 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t45, ptr %a46
+  store { ptr, i64, i64 } { ptr @.str.6559, i64 27, i64 0 }, ptr %a48
+  %t49 = call i64 @finch_str_find(ptr %a46, ptr %a48)
+  %t50 = icmp sge i64 %t49, 0
+  br i1 %t50, label %then9703, label %else9704
+then9703:
   %t51 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t51, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.6330, i64 14, i64 0 }, ptr %a54
-  %t55 = call i64 @finch_str_find(ptr %a52, ptr %a54)
-  %t56 = icmp sge i64 %t55, 0
-  br i1 %t56, label %then9205, label %else9206
-then9205:
-  %t57 = load { ptr, i64, i64 }, ptr %a26
-  %t58 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t57, { ptr, i64, i64 } { ptr @.str.6331, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6332, i64 4, i64 0 })
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t58)
-  br label %endif9207
-else9206:
-  %t59 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t59, ptr %a60
-  store { ptr, i64, i64 } { ptr @.str.6334, i64 24, i64 0 }, ptr %a62
-  %t63 = call i64 @finch_str_find(ptr %a60, ptr %a62)
-  %t64 = icmp sge i64 %t63, 0
-  br i1 %t64, label %then9208, label %else9209
-then9208:
-  %t65 = load { ptr, i64, i64 }, ptr %a26
-  %t66 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t65, { ptr, i64, i64 } { ptr @.str.6335, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6336, i64 4, i64 0 })
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t66)
-  br label %endif9210
-else9209:
-  %t67 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t67, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6338, i64 13, i64 0 }, ptr %a70
-  %t71 = call i64 @finch_str_find(ptr %a68, ptr %a70)
-  %t72 = icmp sge i64 %t71, 0
-  br i1 %t72, label %then9211, label %else9212
-then9211:
-  %t73 = load { ptr, i64, i64 }, ptr %a26
-  %t74 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t73, { ptr, i64, i64 } { ptr @.str.6339, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6340, i64 1, i64 0 })
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t74)
-  br label %endif9213
-else9212:
-  %t75 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t75, ptr %a76
-  store { ptr, i64, i64 } { ptr @.str.6342, i64 11, i64 0 }, ptr %a78
-  %t79 = call i64 @finch_str_find(ptr %a76, ptr %a78)
-  %t80 = icmp sge i64 %t79, 0
-  br label %logic.from9214
-logic.from9214:
-  br i1 %t80, label %logic.rhs9215, label %logic.end9216
-logic.rhs9215:
+  %t52 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t51, { ptr, i64, i64 } { ptr @.str.6560, i64 27, i64 0 }, { ptr, i64, i64 } { ptr @.str.6561, i64 3, i64 0 })
+  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t52)
+  store { ptr, i64, i64 } %t52, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  br label %endif9705
+else9704:
+  %t54 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t54, ptr %a55
+  store { ptr, i64, i64 } { ptr @.str.6563, i64 14, i64 0 }, ptr %a57
+  %t58 = call i64 @finch_str_find(ptr %a55, ptr %a57)
+  %t59 = icmp sge i64 %t58, 0
+  br i1 %t59, label %then9706, label %else9707
+then9706:
+  %t60 = load { ptr, i64, i64 }, ptr %a26
+  %t61 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t60, { ptr, i64, i64 } { ptr @.str.6564, i64 14, i64 0 }, { ptr, i64, i64 } { ptr @.str.6565, i64 4, i64 0 })
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t61)
+  store { ptr, i64, i64 } %t61, ptr %a62
+  call void @finch_str_drop(ptr %a62)
+  br label %endif9708
+else9707:
+  %t63 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t63, ptr %a64
+  store { ptr, i64, i64 } { ptr @.str.6567, i64 24, i64 0 }, ptr %a66
+  %t67 = call i64 @finch_str_find(ptr %a64, ptr %a66)
+  %t68 = icmp sge i64 %t67, 0
+  br i1 %t68, label %then9709, label %else9710
+then9709:
+  %t69 = load { ptr, i64, i64 }, ptr %a26
+  %t70 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t69, { ptr, i64, i64 } { ptr @.str.6568, i64 24, i64 0 }, { ptr, i64, i64 } { ptr @.str.6569, i64 4, i64 0 })
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t70)
+  store { ptr, i64, i64 } %t70, ptr %a71
+  call void @finch_str_drop(ptr %a71)
+  br label %endif9711
+else9710:
+  %t72 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t72, ptr %a73
+  store { ptr, i64, i64 } { ptr @.str.6571, i64 13, i64 0 }, ptr %a75
+  %t76 = call i64 @finch_str_find(ptr %a73, ptr %a75)
+  %t77 = icmp sge i64 %t76, 0
+  br i1 %t77, label %then9712, label %else9713
+then9712:
+  %t78 = load { ptr, i64, i64 }, ptr %a26
+  %t79 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t78, { ptr, i64, i64 } { ptr @.str.6572, i64 13, i64 0 }, { ptr, i64, i64 } { ptr @.str.6573, i64 1, i64 0 })
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t79)
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif9714
+else9713:
   %t81 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t81, ptr %a82
-  store { ptr, i64, i64 } { ptr @.str.6344, i64 9, i64 0 }, ptr %a84
+  store { ptr, i64, i64 } { ptr @.str.6575, i64 11, i64 0 }, ptr %a84
   %t85 = call i64 @finch_str_find(ptr %a82, ptr %a84)
   %t86 = icmp sge i64 %t85, 0
-  br label %logic.rend9217
-logic.rend9217:
-  br label %logic.end9216
-logic.end9216:
-  %t87 = phi i1 [ false, %logic.from9214 ], [ %t86, %logic.rend9217 ]
-  br i1 %t87, label %then9218, label %else9219
-then9218:
-  %t88 = load { ptr, i64, i64 }, ptr %a26
-  %t89 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t88, { ptr, i64, i64 } { ptr @.str.6345, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6346, i64 1, i64 0 })
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.6347, i64 10, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t93)
-  br label %endif9220
-else9219:
+  br label %logic.from9715
+logic.from9715:
+  br i1 %t86, label %logic.rhs9716, label %logic.end9717
+logic.rhs9716:
+  %t87 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t87, ptr %a88
+  store { ptr, i64, i64 } { ptr @.str.6577, i64 9, i64 0 }, ptr %a90
+  %t91 = call i64 @finch_str_find(ptr %a88, ptr %a90)
+  %t92 = icmp sge i64 %t91, 0
+  br label %logic.rend9718
+logic.rend9718:
+  br label %logic.end9717
+logic.end9717:
+  %t93 = phi i1 [ false, %logic.from9715 ], [ %t92, %logic.rend9718 ]
+  br i1 %t93, label %then9719, label %else9720
+then9719:
   %t94 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t94, ptr %a95
-  store { ptr, i64, i64 } { ptr @.str.6349, i64 1, i64 0 }, ptr %a97
-  %t98 = call i32 @finch_str_starts(ptr %a95, ptr %a97)
-  %t99 = icmp ne i32 %t98, 0
-  br label %logic.from9221
-logic.from9221:
-  br i1 %t99, label %logic.rhs9222, label %logic.end9223
-logic.rhs9222:
-  %t100 = load { ptr, i64, i64 }, ptr %a26
+  %t95 = call { ptr, i64, i64 } @finch.linker.between({ ptr, i64, i64 } %t94, { ptr, i64, i64 } { ptr @.str.6578, i64 11, i64 0 }, { ptr, i64, i64 } { ptr @.str.6579, i64 1, i64 0 })
+  store { ptr, i64, i64 } %t95, ptr %a97
+  store { ptr, i64, i64 } { ptr @.str.6580, i64 10, i64 0 }, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  store { ptr, i64, i64 } %t95, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  %t100 = load { ptr, i64, i64 }, ptr %a96
+  call void @finch.linker.Names.add(ptr %a5, { ptr, i64, i64 } %t100)
   store { ptr, i64, i64 } %t100, ptr %a101
-  store { ptr, i64, i64 } { ptr @.str.6351, i64 19, i64 0 }, ptr %a103
-  %t104 = call i64 @finch_str_find(ptr %a101, ptr %a103)
-  %t105 = icmp sge i64 %t104, 0
-  br label %logic.rend9224
-logic.rend9224:
-  br label %logic.end9223
-logic.end9223:
-  %t106 = phi i1 [ false, %logic.from9221 ], [ %t105, %logic.rend9224 ]
-  br i1 %t106, label %then9225, label %endif9227
-then9225:
-  %t107 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t107, ptr %a108
-  %t110 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } %t110, ptr %a111
-  store { ptr, i64, i64 } { ptr @.str.6354, i64 19, i64 0 }, ptr %a113
-  %t114 = call i64 @finch_str_find(ptr %a111, ptr %a113)
-  call void @finch_str_sub(ptr %a109, ptr %a108, i64 1, i64 %t114, ptr @.str.6352, i64 125)
-  %t115 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch_str_drop(ptr %a101)
+  br label %endif9721
+else9720:
+  %t102 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t102, ptr %a103
+  store { ptr, i64, i64 } { ptr @.str.6582, i64 1, i64 0 }, ptr %a105
+  %t106 = call i32 @finch_str_starts(ptr %a103, ptr %a105)
+  %t107 = icmp ne i32 %t106, 0
+  br label %logic.from9722
+logic.from9722:
+  br i1 %t107, label %logic.rhs9723, label %logic.end9724
+logic.rhs9723:
+  %t108 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t108, ptr %a109
+  store { ptr, i64, i64 } { ptr @.str.6584, i64 19, i64 0 }, ptr %a111
+  %t112 = call i64 @finch_str_find(ptr %a109, ptr %a111)
+  %t113 = icmp sge i64 %t112, 0
+  br label %logic.rend9725
+logic.rend9725:
+  br label %logic.end9724
+logic.end9724:
+  %t114 = phi i1 [ false, %logic.from9722 ], [ %t113, %logic.rend9725 ]
+  br i1 %t114, label %then9726, label %endif9728
+then9726:
+  %t115 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t115, ptr %a116
-  %t117 = getelementptr inbounds %S.platform.Target, ptr %a3, i32 0, i32 3
-  %t118 = load i1, ptr %t117
-  br label %logic.from9228
-logic.from9228:
-  br i1 %t118, label %logic.rhs9229, label %logic.end9230
-logic.rhs9229:
-  %t119 = load { ptr, i64, i64 }, ptr %a116
-  store { ptr, i64, i64 } %t119, ptr %a120
-  store { ptr, i64, i64 } { ptr @.str.6356, i64 1, i64 0 }, ptr %a122
-  %t123 = call i32 @finch_str_starts(ptr %a120, ptr %a122)
-  %t124 = icmp ne i32 %t123, 0
-  br label %logic.rend9231
-logic.rend9231:
-  br label %logic.end9230
-logic.end9230:
-  %t125 = phi i1 [ false, %logic.from9228 ], [ %t124, %logic.rend9231 ]
-  br i1 %t125, label %then9232, label %endif9234
-then9232:
-  %t126 = load { ptr, i64, i64 }, ptr %a116
-  store { ptr, i64, i64 } %t126, ptr %a127
-  %t129 = getelementptr inbounds { ptr, i64, i64 }, ptr %a116, i32 0, i32 1
-  %t130 = load i64, ptr %t129
-  call void @finch_str_sub(ptr %a128, ptr %a127, i64 1, i64 %t130, ptr @.str.6357, i64 127)
-  %t131 = load { ptr, i64, i64 }, ptr %a128
-  store { ptr, i64, i64 } %t131, ptr %a116
-  br label %endif9234
-endif9234:
-  %t132 = load { ptr, i64, i64 }, ptr %a116
-  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t132)
-  br label %endif9227
-endif9227:
-  br label %endif9220
-endif9220:
-  br label %endif9213
-endif9213:
-  br label %endif9210
-endif9210:
-  br label %endif9207
-endif9207:
-  br label %endif9204
-endif9204:
-  br label %endif9201
-endif9201:
-  br label %endif9198
-endif9198:
-  br label %each.step9194
-each.step9194:
-  %t133 = load i64, ptr %a13
-  %t134 = add i64 %t133, 1
-  store i64 %t134, ptr %a13
-  br label %each.cond9192
-each.end9195:
-  %t135 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
-  %t137 = load i64, ptr %t136
-  %t138 = icmp eq i64 %t137, 0
-  br label %logic.from9235
-logic.from9235:
-  br i1 %t138, label %logic.rhs9236, label %logic.end9237
-logic.rhs9236:
-  %t139 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
-  %t140 = getelementptr inbounds { ptr, i64, i64 }, ptr %t139, i32 0, i32 1
-  %t141 = load i64, ptr %t140
-  %t142 = icmp eq i64 %t141, 0
-  br label %logic.rend9238
-logic.rend9238:
-  br label %logic.end9237
-logic.end9237:
-  %t143 = phi i1 [ false, %logic.from9235 ], [ %t142, %logic.rend9238 ]
-  br i1 %t143, label %then9239, label %endif9241
-then9239:
-  %t144 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t144, ptr %a146
-  store { ptr, i64, i64 } { ptr @.str.6358, i64 21, i64 0 }, ptr %a147
-  call void @finch_str_concat(ptr %a145, ptr %a146, ptr %a147)
-  %t148 = load { ptr, i64, i64 }, ptr %a145
-  %t149 = extractvalue { ptr, i64, i64 } %t148, 1
-  %t150 = trunc i64 %t149 to i32
-  %t151 = extractvalue { ptr, i64, i64 } %t148, 0
-  %t152 = icmp eq ptr %t151, null
-  %t153 = select i1 %t152, ptr @.str.6359, ptr %t151
-  %t154 = call i32 (ptr, ...) @printf(ptr @.str.6360, i32 %t150, ptr %t153)
-  %t155 = call i32 (ptr, ...) @printf(ptr @.str.6361)
+  %t118 = load { ptr, i64, i64 }, ptr %a26
+  store { ptr, i64, i64 } %t118, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.6587, i64 19, i64 0 }, ptr %a121
+  %t122 = call i64 @finch_str_find(ptr %a119, ptr %a121)
+  call void @finch_str_sub(ptr %a117, ptr %a116, i64 1, i64 %t122, ptr @.str.6585, i64 111)
+  %t123 = load { ptr, i64, i64 }, ptr %a117
+  store { ptr, i64, i64 } %t123, ptr %a124
+  %t125 = getelementptr inbounds %S.platform.Target, ptr %a3, i32 0, i32 3
+  %t126 = load i1, ptr %t125
+  br label %logic.from9729
+logic.from9729:
+  br i1 %t126, label %logic.rhs9730, label %logic.end9731
+logic.rhs9730:
+  %t127 = load { ptr, i64, i64 }, ptr %a124
+  store { ptr, i64, i64 } %t127, ptr %a128
+  store { ptr, i64, i64 } { ptr @.str.6589, i64 1, i64 0 }, ptr %a130
+  %t131 = call i32 @finch_str_starts(ptr %a128, ptr %a130)
+  %t132 = icmp ne i32 %t131, 0
+  br label %logic.rend9732
+logic.rend9732:
+  br label %logic.end9731
+logic.end9731:
+  %t133 = phi i1 [ false, %logic.from9729 ], [ %t132, %logic.rend9732 ]
+  br i1 %t133, label %then9733, label %endif9735
+then9733:
+  %t134 = load { ptr, i64, i64 }, ptr %a124
+  store { ptr, i64, i64 } %t134, ptr %a135
+  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %a124, i32 0, i32 1
+  %t138 = load i64, ptr %t137
+  call void @finch_str_sub(ptr %a136, ptr %a135, i64 1, i64 %t138, ptr @.str.6590, i64 113)
+  %t139 = load { ptr, i64, i64 }, ptr %a136
+  %t140 = load { ptr, i64, i64 }, ptr %a124
+  store { ptr, i64, i64 } %t139, ptr %a124
+  store { ptr, i64, i64 } %t140, ptr %a141
+  call void @finch_str_drop(ptr %a141)
+  br label %endif9735
+endif9735:
+  %t142 = load { ptr, i64, i64 }, ptr %a124
+  call void @finch.linker.Names.add(ptr %a4, { ptr, i64, i64 } %t142)
+  call void @finch_str_drop(ptr %a124)
+  br label %endif9728
+endif9728:
+  br label %endif9721
+endif9721:
+  br label %endif9714
+endif9714:
+  br label %endif9711
+endif9711:
+  br label %endif9708
+endif9708:
+  br label %endif9705
+endif9705:
+  br label %endif9702
+endif9702:
+  br label %endif9699
+endif9699:
+  call void @finch_str_drop(ptr %a26)
+  br label %each.step9695
+each.step9695:
+  %t143 = load i64, ptr %a13
+  %t144 = add i64 %t143, 1
+  store i64 %t144, ptr %a13
+  br label %each.cond9693
+each.end9696:
+  call void @finch.drop.arr_str(ptr %a12)
+  %t145 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
+  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
+  %t147 = load i64, ptr %t146
+  %t148 = icmp eq i64 %t147, 0
+  br label %logic.from9736
+logic.from9736:
+  br i1 %t148, label %logic.rhs9737, label %logic.end9738
+logic.rhs9737:
+  %t149 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
+  %t150 = getelementptr inbounds { ptr, i64, i64 }, ptr %t149, i32 0, i32 1
+  %t151 = load i64, ptr %t150
+  %t152 = icmp eq i64 %t151, 0
+  br label %logic.rend9739
+logic.rend9739:
+  br label %logic.end9738
+logic.end9738:
+  %t153 = phi i1 [ false, %logic.from9736 ], [ %t152, %logic.rend9739 ]
+  br i1 %t153, label %then9740, label %endif9742
+then9740:
+  %t154 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t154, ptr %a156
+  store { ptr, i64, i64 } { ptr @.str.6591, i64 21, i64 0 }, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  %t159 = extractvalue { ptr, i64, i64 } %t158, 1
+  %t160 = trunc i64 %t159 to i32
+  %t161 = extractvalue { ptr, i64, i64 } %t158, 0
+  %t162 = icmp eq ptr %t161, null
+  %t163 = select i1 %t162, ptr @.str.6592, ptr %t161
+  %t164 = call i32 (ptr, ...) @printf(ptr @.str.6593, i32 %t160, ptr %t163)
+  store { ptr, i64, i64 } %t158, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  %t166 = call i32 (ptr, ...) @printf(ptr @.str.6594)
+  call void @finch.drop.S_linker_Names(ptr %a5)
+  call void @finch.drop.S_linker_Names(ptr %a4)
   ret i64 1
-endif9241:
-  %t156 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
-  store i64 0, ptr %a157
-  br label %each.cond9242
-each.cond9242:
-  %t158 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i32 0, i32 1
-  %t159 = load i64, ptr %t158
-  %t160 = load i64, ptr %a157
-  %t161 = icmp slt i64 %t160, %t159
-  br i1 %t161, label %each.body9243, label %each.end9245
-each.body9243:
-  %t162 = load ptr, ptr %t156
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i64 %t160
-  %t164 = load { ptr, i64, i64 }, ptr %t163
-  store { ptr, i64, i64 } %t164, ptr %a165
-  %t166 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } { ptr @.str.6362, i64 20, i64 0 }, ptr %a168
-  store { ptr, i64, i64 } %t166, ptr %a169
-  call void @finch_str_concat(ptr %a167, ptr %a168, ptr %a169)
-  %t170 = load { ptr, i64, i64 }, ptr %a167
-  store { ptr, i64, i64 } %t170, ptr %a172
-  store { ptr, i64, i64 } { ptr @.str.6363, i64 62, i64 0 }, ptr %a173
-  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
-  %t174 = load { ptr, i64, i64 }, ptr %a171
-  %t175 = extractvalue { ptr, i64, i64 } %t174, 1
-  %t176 = trunc i64 %t175 to i32
-  %t177 = extractvalue { ptr, i64, i64 } %t174, 0
-  %t178 = icmp eq ptr %t177, null
-  %t179 = select i1 %t178, ptr @.str.6364, ptr %t177
-  %t180 = call i32 (ptr, ...) @printf(ptr @.str.6365, i32 %t176, ptr %t179)
-  %t181 = call i32 (ptr, ...) @printf(ptr @.str.6366)
-  br label %each.step9244
-each.step9244:
-  %t182 = load i64, ptr %a157
-  %t183 = add i64 %t182, 1
-  store i64 %t183, ptr %a157
-  br label %each.cond9242
-each.end9245:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a184
-  store { ptr, i64, i64 } zeroinitializer, ptr %a185
-  %t186 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
-  store i64 0, ptr %a187
-  br label %each.cond9246
-each.cond9246:
-  %t188 = getelementptr inbounds { ptr, i64, i64 }, ptr %t186, i32 0, i32 1
-  %t189 = load i64, ptr %t188
-  %t190 = load i64, ptr %a187
-  %t191 = icmp slt i64 %t190, %t189
-  br i1 %t191, label %each.body9247, label %each.end9249
-each.body9247:
-  %t192 = load ptr, ptr %t186
-  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t192, i64 %t190
-  %t194 = load { ptr, i64, i64 }, ptr %t193
-  store { ptr, i64, i64 } %t194, ptr %a195
-  store { ptr, i64, i64 } { ptr @.str.6367, i64 0, i64 0 }, ptr %a196
-  %t197 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
-  %t198 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t198, ptr %a199
-  %t200 = call i64 @finch_map_find(ptr %t197, ptr %a199, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t201 = icmp sge i64 %t200, 0
-  br i1 %t201, label %then9250, label %endif9252
-then9250:
-  %t202 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
-  %t203 = load { ptr, i64, i64 }, ptr %a195
-  store { ptr, i64, i64 } %t203, ptr %a204
-  %t205 = call i64 @finch_map_find(ptr %t202, ptr %a204, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t206 = icmp slt i64 %t205, 0
-  br i1 %t206, label %map.missing9253, label %map.found9254
-map.missing9253:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a207
-  store { ptr, i64, i64 } %t203, ptr %a208
-  call void @finch_buf_str(ptr %a207, ptr %a208, i32 1)
-  call void @finch_map_missing(ptr @.str.6368, i64 145, ptr %a207)
+endif9742:
+  %t167 = getelementptr inbounds %S.linker.Names, ptr %a5, i32 0, i32 0
+  store i64 0, ptr %a168
+  br label %each.cond9743
+each.cond9743:
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
+  %t170 = load i64, ptr %t169
+  %t171 = load i64, ptr %a168
+  %t172 = icmp slt i64 %t171, %t170
+  br i1 %t172, label %each.body9744, label %each.end9746
+each.body9744:
+  %t173 = load ptr, ptr %t167
+  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i64 %t171
+  %t175 = load { ptr, i64, i64 }, ptr %t174
+  store { ptr, i64, i64 } %t175, ptr %a176
+  %t177 = load { ptr, i64, i64 }, ptr %a176
+  store { ptr, i64, i64 } { ptr @.str.6595, i64 20, i64 0 }, ptr %a179
+  store { ptr, i64, i64 } %t177, ptr %a180
+  call void @finch_str_concat(ptr %a178, ptr %a179, ptr %a180)
+  %t181 = load { ptr, i64, i64 }, ptr %a178
+  store { ptr, i64, i64 } %t181, ptr %a183
+  store { ptr, i64, i64 } { ptr @.str.6596, i64 62, i64 0 }, ptr %a184
+  call void @finch_str_concat(ptr %a182, ptr %a183, ptr %a184)
+  store { ptr, i64, i64 } %t181, ptr %a185
+  call void @finch_str_drop(ptr %a185)
+  %t186 = load { ptr, i64, i64 }, ptr %a182
+  %t187 = extractvalue { ptr, i64, i64 } %t186, 1
+  %t188 = trunc i64 %t187 to i32
+  %t189 = extractvalue { ptr, i64, i64 } %t186, 0
+  %t190 = icmp eq ptr %t189, null
+  %t191 = select i1 %t190, ptr @.str.6597, ptr %t189
+  %t192 = call i32 (ptr, ...) @printf(ptr @.str.6598, i32 %t188, ptr %t191)
+  store { ptr, i64, i64 } %t186, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  %t194 = call i32 (ptr, ...) @printf(ptr @.str.6599)
+  br label %each.step9745
+each.step9745:
+  %t195 = load i64, ptr %a168
+  %t196 = add i64 %t195, 1
+  store i64 %t196, ptr %a168
+  br label %each.cond9743
+each.end9746:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a197
+  store { ptr, i64, i64 } zeroinitializer, ptr %a198
+  %t199 = getelementptr inbounds %S.linker.Names, ptr %a4, i32 0, i32 0
+  store i64 0, ptr %a200
+  br label %each.cond9747
+each.cond9747:
+  %t201 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i32 0, i32 1
+  %t202 = load i64, ptr %t201
+  %t203 = load i64, ptr %a200
+  %t204 = icmp slt i64 %t203, %t202
+  br i1 %t204, label %each.body9748, label %each.end9750
+each.body9748:
+  %t205 = load ptr, ptr %t199
+  %t206 = getelementptr inbounds { ptr, i64, i64 }, ptr %t205, i64 %t203
+  %t207 = load { ptr, i64, i64 }, ptr %t206
+  store { ptr, i64, i64 } %t207, ptr %a208
+  store { ptr, i64, i64 } { ptr @.str.6600, i64 0, i64 0 }, ptr %a209
+  %t210 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
+  %t211 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t211, ptr %a212
+  %t213 = call i64 @finch_map_find(ptr %t210, ptr %a212, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t214 = icmp sge i64 %t213, 0
+  br i1 %t214, label %then9751, label %endif9753
+then9751:
+  %t215 = getelementptr inbounds %S.cimport.CImports, ptr %a2, i32 0, i32 0
+  %t216 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t216, ptr %a217
+  %t218 = call i64 @finch_map_find(ptr %t215, ptr %a217, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t219 = icmp slt i64 %t218, 0
+  br i1 %t219, label %map.missing9754, label %map.found9755
+map.missing9754:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a220
+  store { ptr, i64, i64 } %t216, ptr %a221
+  call void @finch_buf_str(ptr %a220, ptr %a221, i32 1)
+  call void @finch_map_missing(ptr @.str.6601, i64 131, ptr %a220)
   unreachable
-map.found9254:
-  %t209 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t202, i32 0, i32 0
-  %t210 = load ptr, ptr %t209
-  %t211 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t210, i64 %t205
-  %t212 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t211, i32 0, i32 2
-  %t213 = getelementptr inbounds %S.cimport.CFunc, ptr %t212, i32 0, i32 1
-  %t214 = load { ptr, i64, i64 }, ptr %t213
-  store { ptr, i64, i64 } %t214, ptr %a215
-  call void @finch_str_copy(ptr %a216, ptr %a215)
-  %t217 = load { ptr, i64, i64 }, ptr %a216
-  store { ptr, i64, i64 } %t217, ptr %a196
-  br label %endif9252
-endif9252:
-  %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t219 = load { ptr, i64, i64 }, ptr %a196
-  store i64 -1, ptr %a220
-  %t221 = load i64, ptr %t218
-  %t222 = load ptr, ptr %a184
-  store i64 0, ptr %a223
-  br label %find.cond9255
-find.cond9255:
-  %t224 = load i64, ptr %a223
-  %t225 = icmp slt i64 %t224, %t221
-  br i1 %t225, label %find.body9256, label %find.end9259
-find.body9256:
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i64 %t224
+map.found9755:
+  %t222 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t215, i32 0, i32 0
+  %t223 = load ptr, ptr %t222
+  %t224 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t223, i64 %t218
+  %t225 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.cimport.CFunc }, ptr %t224, i32 0, i32 2
+  %t226 = getelementptr inbounds %S.cimport.CFunc, ptr %t225, i32 0, i32 1
   %t227 = load { ptr, i64, i64 }, ptr %t226
   store { ptr, i64, i64 } %t227, ptr %a228
-  store { ptr, i64, i64 } %t219, ptr %a229
-  %t230 = call i32 @finch_str_eq(ptr %a228, ptr %a229)
-  %t231 = icmp ne i32 %t230, 0
-  br i1 %t231, label %find.hit9257, label %find.next9258
-find.hit9257:
-  store i64 %t224, ptr %a220
-  br label %find.end9259
-find.next9258:
-  %t232 = add i64 %t224, 1
-  store i64 %t232, ptr %a223
-  br label %find.cond9255
-find.end9259:
-  %t233 = load i64, ptr %a220
-  store i64 %t233, ptr %a234
-  %t235 = load i64, ptr %a234
-  %t236 = icmp slt i64 %t235, 0
-  br i1 %t236, label %then9260, label %endif9262
-then9260:
-  %t237 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t238 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t238, ptr %a239
-  call void @finch_str_copy(ptr %a240, ptr %a239)
-  %t241 = load { ptr, i64, i64 }, ptr %a240
-  %t242 = load i64, ptr %t237
-  %t243 = add i64 %t242, 1
-  call void @finch_arr_reserve(ptr %a184, i64 %t243, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t244 = load ptr, ptr %a184
-  %t245 = getelementptr inbounds { ptr, i64, i64 }, ptr %t244, i64 %t242
-  store { ptr, i64, i64 } %t241, ptr %t245
-  store i64 %t243, ptr %t237
-  %t246 = getelementptr inbounds { ptr, i64, i64 }, ptr %a185, i32 0, i32 1
-  %t247 = load i64, ptr %t246
-  %t248 = add i64 %t247, 1
-  call void @finch_arr_reserve(ptr %a185, i64 %t248, i64 ptrtoint (ptr getelementptr (%S.linker.Names, ptr null, i32 1) to i64))
-  %t249 = load ptr, ptr %a185
-  %t250 = getelementptr inbounds %S.linker.Names, ptr %t249, i64 %t247
-  store %S.linker.Names zeroinitializer, ptr %t250
-  store i64 %t248, ptr %t246
-  %t251 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  %t253 = sub i64 %t252, 1
-  store i64 %t253, ptr %a234
-  br label %endif9262
-endif9262:
-  %t254 = load i64, ptr %a234
-  %t255 = load { ptr, i64, i64 }, ptr %a185
-  %t256 = extractvalue { ptr, i64, i64 } %t255, 1
-  %t257 = icmp uge i64 %t254, %t256
-  br i1 %t257, label %range9263, label %inrange9264
-range9263:
-  call void @finch_panic_index(ptr @.str.6369, i64 153, i64 %t254, i64 %t256)
+  call void @finch_str_copy(ptr %a229, ptr %a228)
+  %t230 = load { ptr, i64, i64 }, ptr %a229
+  %t231 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t230, ptr %a209
+  store { ptr, i64, i64 } %t231, ptr %a232
+  call void @finch_str_drop(ptr %a232)
+  br label %endif9753
+endif9753:
+  %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t234 = load { ptr, i64, i64 }, ptr %a209
+  store i64 -1, ptr %a235
+  %t236 = load i64, ptr %t233
+  %t237 = load ptr, ptr %a197
+  store i64 0, ptr %a238
+  br label %find.cond9756
+find.cond9756:
+  %t239 = load i64, ptr %a238
+  %t240 = icmp slt i64 %t239, %t236
+  br i1 %t240, label %find.body9757, label %find.end9760
+find.body9757:
+  %t241 = getelementptr inbounds { ptr, i64, i64 }, ptr %t237, i64 %t239
+  %t242 = load { ptr, i64, i64 }, ptr %t241
+  store { ptr, i64, i64 } %t242, ptr %a243
+  store { ptr, i64, i64 } %t234, ptr %a244
+  %t245 = call i32 @finch_str_eq(ptr %a243, ptr %a244)
+  %t246 = icmp ne i32 %t245, 0
+  br i1 %t246, label %find.hit9758, label %find.next9759
+find.hit9758:
+  store i64 %t239, ptr %a235
+  br label %find.end9760
+find.next9759:
+  %t247 = add i64 %t239, 1
+  store i64 %t247, ptr %a238
+  br label %find.cond9756
+find.end9760:
+  %t248 = load i64, ptr %a235
+  store i64 %t248, ptr %a249
+  %t250 = load i64, ptr %a249
+  %t251 = icmp slt i64 %t250, 0
+  br i1 %t251, label %then9761, label %endif9763
+then9761:
+  %t252 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t253 = load { ptr, i64, i64 }, ptr %a209
+  store { ptr, i64, i64 } %t253, ptr %a254
+  call void @finch_str_copy(ptr %a255, ptr %a254)
+  %t256 = load { ptr, i64, i64 }, ptr %a255
+  %t257 = load i64, ptr %t252
+  %t258 = add i64 %t257, 1
+  call void @finch_arr_reserve(ptr %a197, i64 %t258, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t259 = load ptr, ptr %a197
+  %t260 = getelementptr inbounds { ptr, i64, i64 }, ptr %t259, i64 %t257
+  store { ptr, i64, i64 } %t256, ptr %t260
+  store i64 %t258, ptr %t252
+  %t261 = getelementptr inbounds { ptr, i64, i64 }, ptr %a198, i32 0, i32 1
+  %t262 = load i64, ptr %t261
+  %t263 = add i64 %t262, 1
+  call void @finch_arr_reserve(ptr %a198, i64 %t263, i64 ptrtoint (ptr getelementptr (%S.linker.Names, ptr null, i32 1) to i64))
+  %t264 = load ptr, ptr %a198
+  %t265 = getelementptr inbounds %S.linker.Names, ptr %t264, i64 %t262
+  store %S.linker.Names zeroinitializer, ptr %t265
+  store i64 %t263, ptr %t261
+  %t266 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t267 = load i64, ptr %t266
+  %t268 = sub i64 %t267, 1
+  store i64 %t268, ptr %a249
+  br label %endif9763
+endif9763:
+  %t269 = load i64, ptr %a249
+  %t270 = load { ptr, i64, i64 }, ptr %a198
+  %t271 = extractvalue { ptr, i64, i64 } %t270, 1
+  %t272 = icmp uge i64 %t269, %t271
+  br i1 %t272, label %range9764, label %inrange9765
+range9764:
+  call void @finch_panic_index(ptr @.str.6602, i64 139, i64 %t269, i64 %t271)
   unreachable
-inrange9264:
-  %t258 = extractvalue { ptr, i64, i64 } %t255, 0
-  %t259 = getelementptr inbounds %S.linker.Names, ptr %t258, i64 %t254
-  %t260 = load { ptr, i64, i64 }, ptr %a195
-  call void @finch.linker.Names.add(ptr %t259, { ptr, i64, i64 } %t260)
-  br label %each.step9248
-each.step9248:
-  %t261 = load i64, ptr %a187
-  %t262 = add i64 %t261, 1
-  store i64 %t262, ptr %a187
-  br label %each.cond9246
-each.end9249:
-  %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %a184, i32 0, i32 1
-  %t264 = load i64, ptr %t263
-  store i64 0, ptr %a265
-  br label %for.cond9265
-for.cond9265:
-  %t266 = load i64, ptr %a265
-  %t267 = icmp slt i64 %t266, %t264
-  br i1 %t267, label %for.body9266, label %for.end9268
-for.body9266:
-  %t268 = load i64, ptr %a265
-  %t269 = load { ptr, i64, i64 }, ptr %a185
-  %t270 = extractvalue { ptr, i64, i64 } %t269, 1
-  %t271 = icmp uge i64 %t268, %t270
-  br i1 %t271, label %range9269, label %inrange9270
-range9269:
-  call void @finch_panic_index(ptr @.str.6370, i64 156, i64 %t268, i64 %t270)
+inrange9765:
+  %t273 = extractvalue { ptr, i64, i64 } %t270, 0
+  %t274 = getelementptr inbounds %S.linker.Names, ptr %t273, i64 %t269
+  %t275 = load { ptr, i64, i64 }, ptr %a208
+  call void @finch.linker.Names.add(ptr %t274, { ptr, i64, i64 } %t275)
+  call void @finch_str_drop(ptr %a209)
+  br label %each.step9749
+each.step9749:
+  %t276 = load i64, ptr %a200
+  %t277 = add i64 %t276, 1
+  store i64 %t277, ptr %a200
+  br label %each.cond9747
+each.end9750:
+  %t278 = getelementptr inbounds { ptr, i64, i64 }, ptr %a197, i32 0, i32 1
+  %t279 = load i64, ptr %t278
+  store i64 0, ptr %a280
+  br label %for.cond9766
+for.cond9766:
+  %t281 = load i64, ptr %a280
+  %t282 = icmp slt i64 %t281, %t279
+  br i1 %t282, label %for.body9767, label %for.end9769
+for.body9767:
+  %t283 = load i64, ptr %a280
+  %t284 = load { ptr, i64, i64 }, ptr %a198
+  %t285 = extractvalue { ptr, i64, i64 } %t284, 1
+  %t286 = icmp uge i64 %t283, %t285
+  br i1 %t286, label %range9770, label %inrange9771
+range9770:
+  call void @finch_panic_index(ptr @.str.6603, i64 142, i64 %t283, i64 %t285)
   unreachable
-inrange9270:
-  %t272 = extractvalue { ptr, i64, i64 } %t269, 0
-  %t273 = getelementptr inbounds %S.linker.Names, ptr %t272, i64 %t268
-  %t274 = getelementptr inbounds %S.linker.Names, ptr %t273, i32 0, i32 0
-  %t275 = load { ptr, i64, i64 }, ptr %t274
-  store { ptr, i64, i64 } %t275, ptr %a276
-  call void @finch.copy.arr_str(ptr %a277, ptr %a276)
-  %t278 = load { ptr, i64, i64 }, ptr %a277
-  store { ptr, i64, i64 } %t278, ptr %a279
-  store { ptr, i64, i64 } zeroinitializer, ptr %a280
-  %t281 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t282 = load i64, ptr %t281
-  store i64 0, ptr %a283
-  br label %for.cond9271
-for.cond9271:
-  %t284 = load i64, ptr %a283
-  %t285 = icmp slt i64 %t284, %t282
-  br i1 %t285, label %for.body9272, label %for.end9274
-for.body9272:
-  %t286 = load i64, ptr %a283
-  %t287 = icmp slt i64 %t286, 3
-  br i1 %t287, label %then9275, label %endif9277
-then9275:
-  %t288 = getelementptr inbounds { ptr, i64, i64 }, ptr %a280, i32 0, i32 1
-  %t289 = load i64, ptr %a283
-  %t290 = load { ptr, i64, i64 }, ptr %a279
-  %t291 = extractvalue { ptr, i64, i64 } %t290, 1
-  %t292 = icmp uge i64 %t289, %t291
-  br i1 %t292, label %range9278, label %inrange9279
-range9278:
-  call void @finch_panic_index(ptr @.str.6371, i64 160, i64 %t289, i64 %t291)
+inrange9771:
+  %t287 = extractvalue { ptr, i64, i64 } %t284, 0
+  %t288 = getelementptr inbounds %S.linker.Names, ptr %t287, i64 %t283
+  %t289 = getelementptr inbounds %S.linker.Names, ptr %t288, i32 0, i32 0
+  %t290 = load { ptr, i64, i64 }, ptr %t289
+  store { ptr, i64, i64 } %t290, ptr %a291
+  call void @finch.copy.arr_str(ptr %a292, ptr %a291)
+  %t293 = load { ptr, i64, i64 }, ptr %a292
+  store { ptr, i64, i64 } %t293, ptr %a294
+  store { ptr, i64, i64 } zeroinitializer, ptr %a295
+  %t296 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t297 = load i64, ptr %t296
+  store i64 0, ptr %a298
+  br label %for.cond9772
+for.cond9772:
+  %t299 = load i64, ptr %a298
+  %t300 = icmp slt i64 %t299, %t297
+  br i1 %t300, label %for.body9773, label %for.end9775
+for.body9773:
+  %t301 = load i64, ptr %a298
+  %t302 = icmp slt i64 %t301, 3
+  br i1 %t302, label %then9776, label %endif9778
+then9776:
+  %t303 = getelementptr inbounds { ptr, i64, i64 }, ptr %a295, i32 0, i32 1
+  %t304 = load i64, ptr %a298
+  %t305 = load { ptr, i64, i64 }, ptr %a294
+  %t306 = extractvalue { ptr, i64, i64 } %t305, 1
+  %t307 = icmp uge i64 %t304, %t306
+  br i1 %t307, label %range9779, label %inrange9780
+range9779:
+  call void @finch_panic_index(ptr @.str.6604, i64 146, i64 %t304, i64 %t306)
   unreachable
-inrange9279:
-  %t293 = extractvalue { ptr, i64, i64 } %t290, 0
-  %t294 = getelementptr inbounds { ptr, i64, i64 }, ptr %t293, i64 %t289
-  %t295 = load { ptr, i64, i64 }, ptr %t294
-  store { ptr, i64, i64 } %t295, ptr %a296
-  call void @finch_str_copy(ptr %a297, ptr %a296)
-  %t298 = load { ptr, i64, i64 }, ptr %a297
-  %t299 = load i64, ptr %t288
-  %t300 = add i64 %t299, 1
-  call void @finch_arr_reserve(ptr %a280, i64 %t300, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t301 = load ptr, ptr %a280
-  %t302 = getelementptr inbounds { ptr, i64, i64 }, ptr %t301, i64 %t299
-  store { ptr, i64, i64 } %t298, ptr %t302
-  store i64 %t300, ptr %t288
-  br label %endif9277
-endif9277:
-  br label %for.step9273
-for.step9273:
-  %t303 = load i64, ptr %a283
-  %t304 = add i64 %t303, 1
-  store i64 %t304, ptr %a283
-  br label %for.cond9271
-for.end9274:
-  %t305 = getelementptr inbounds { ptr, i64, i64 }, ptr %a280, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6372, i64 2, i64 0 }, ptr %a306
-  call void @finch_str_join(ptr %a307, ptr %a280, ptr %a306)
-  %t308 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t308, ptr %a309
-  %t310 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t311 = load i64, ptr %t310
-  %t312 = icmp sgt i64 %t311, 3
-  br i1 %t312, label %then9280, label %endif9282
-then9280:
-  %t313 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } %t313, ptr %a315
-  store { ptr, i64, i64 } { ptr @.str.6373, i64 5, i64 0 }, ptr %a316
-  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
-  %t317 = load { ptr, i64, i64 }, ptr %a314
-  %t318 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t319 = load i64, ptr %t318
-  %t320 = sub i64 %t319, 3
-  call void @finch_str_from_int(ptr %a321, i64 %t320)
-  %t322 = load { ptr, i64, i64 }, ptr %a321
-  store { ptr, i64, i64 } %t317, ptr %a324
-  store { ptr, i64, i64 } %t322, ptr %a325
-  call void @finch_str_concat(ptr %a323, ptr %a324, ptr %a325)
-  %t326 = load { ptr, i64, i64 }, ptr %a323
-  store { ptr, i64, i64 } %t326, ptr %a328
-  store { ptr, i64, i64 } { ptr @.str.6374, i64 5, i64 0 }, ptr %a329
-  call void @finch_str_concat(ptr %a327, ptr %a328, ptr %a329)
-  %t330 = load { ptr, i64, i64 }, ptr %a327
-  store { ptr, i64, i64 } %t330, ptr %a309
-  br label %endif9282
-endif9282:
-  %t331 = load i64, ptr %a265
-  %t332 = load { ptr, i64, i64 }, ptr %a184
-  %t333 = extractvalue { ptr, i64, i64 } %t332, 1
-  %t334 = icmp uge i64 %t331, %t333
-  br i1 %t334, label %range9283, label %inrange9284
-range9283:
-  call void @finch_panic_index(ptr @.str.6375, i64 167, i64 %t331, i64 %t333)
+inrange9780:
+  %t308 = extractvalue { ptr, i64, i64 } %t305, 0
+  %t309 = getelementptr inbounds { ptr, i64, i64 }, ptr %t308, i64 %t304
+  %t310 = load { ptr, i64, i64 }, ptr %t309
+  store { ptr, i64, i64 } %t310, ptr %a311
+  call void @finch_str_copy(ptr %a312, ptr %a311)
+  %t313 = load { ptr, i64, i64 }, ptr %a312
+  %t314 = load i64, ptr %t303
+  %t315 = add i64 %t314, 1
+  call void @finch_arr_reserve(ptr %a295, i64 %t315, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t316 = load ptr, ptr %a295
+  %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t316, i64 %t314
+  store { ptr, i64, i64 } %t313, ptr %t317
+  store i64 %t315, ptr %t303
+  br label %endif9778
+endif9778:
+  br label %for.step9774
+for.step9774:
+  %t318 = load i64, ptr %a298
+  %t319 = add i64 %t318, 1
+  store i64 %t319, ptr %a298
+  br label %for.cond9772
+for.end9775:
+  %t320 = getelementptr inbounds { ptr, i64, i64 }, ptr %a295, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.6605, i64 2, i64 0 }, ptr %a321
+  call void @finch_str_join(ptr %a322, ptr %a295, ptr %a321)
+  %t323 = load { ptr, i64, i64 }, ptr %a322
+  store { ptr, i64, i64 } %t323, ptr %a324
+  %t325 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t326 = load i64, ptr %t325
+  %t327 = icmp sgt i64 %t326, 3
+  br i1 %t327, label %then9781, label %endif9783
+then9781:
+  %t328 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t328, ptr %a330
+  store { ptr, i64, i64 } { ptr @.str.6606, i64 5, i64 0 }, ptr %a331
+  call void @finch_str_concat(ptr %a329, ptr %a330, ptr %a331)
+  %t332 = load { ptr, i64, i64 }, ptr %a329
+  %t333 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t334 = load i64, ptr %t333
+  %t335 = sub i64 %t334, 3
+  call void @finch_str_from_int(ptr %a336, i64 %t335)
+  %t337 = load { ptr, i64, i64 }, ptr %a336
+  store { ptr, i64, i64 } %t332, ptr %a339
+  store { ptr, i64, i64 } %t337, ptr %a340
+  call void @finch_str_concat(ptr %a338, ptr %a339, ptr %a340)
+  store { ptr, i64, i64 } %t332, ptr %a341
+  call void @finch_str_drop(ptr %a341)
+  store { ptr, i64, i64 } %t337, ptr %a342
+  call void @finch_str_drop(ptr %a342)
+  %t343 = load { ptr, i64, i64 }, ptr %a338
+  store { ptr, i64, i64 } %t343, ptr %a345
+  store { ptr, i64, i64 } { ptr @.str.6607, i64 5, i64 0 }, ptr %a346
+  call void @finch_str_concat(ptr %a344, ptr %a345, ptr %a346)
+  store { ptr, i64, i64 } %t343, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a344
+  %t349 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } %t348, ptr %a324
+  store { ptr, i64, i64 } %t349, ptr %a350
+  call void @finch_str_drop(ptr %a350)
+  br label %endif9783
+endif9783:
+  %t351 = load i64, ptr %a280
+  %t352 = load { ptr, i64, i64 }, ptr %a197
+  %t353 = extractvalue { ptr, i64, i64 } %t352, 1
+  %t354 = icmp uge i64 %t351, %t353
+  br i1 %t354, label %range9784, label %inrange9785
+range9784:
+  call void @finch_panic_index(ptr @.str.6608, i64 153, i64 %t351, i64 %t353)
   unreachable
-inrange9284:
-  %t335 = extractvalue { ptr, i64, i64 } %t332, 0
-  %t336 = getelementptr inbounds { ptr, i64, i64 }, ptr %t335, i64 %t331
-  %t337 = getelementptr inbounds { ptr, i64, i64 }, ptr %t336, i32 0, i32 1
-  %t338 = load i64, ptr %t337
-  %t339 = icmp eq i64 %t338, 0
-  br i1 %t339, label %then9285, label %endif9287
-then9285:
-  %t340 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.6376, i64 25, i64 0 }, ptr %a342
-  store { ptr, i64, i64 } %t340, ptr %a343
-  call void @finch_str_concat(ptr %a341, ptr %a342, ptr %a343)
-  %t344 = load { ptr, i64, i64 }, ptr %a341
-  %t345 = extractvalue { ptr, i64, i64 } %t344, 1
-  %t346 = trunc i64 %t345 to i32
-  %t347 = extractvalue { ptr, i64, i64 } %t344, 0
-  %t348 = icmp eq ptr %t347, null
-  %t349 = select i1 %t348, ptr @.str.6377, ptr %t347
-  %t350 = call i32 (ptr, ...) @printf(ptr @.str.6378, i32 %t346, ptr %t349)
-  %t351 = call i32 (ptr, ...) @printf(ptr @.str.6379)
-  br label %for.step9267
-endif9287:
-  store { ptr, i64, i64 } { ptr @.str.6380, i64 4, i64 0 }, ptr %a352
-  %t353 = getelementptr inbounds { ptr, i64, i64 }, ptr %a279, i32 0, i32 1
-  %t354 = load i64, ptr %t353
-  %t355 = icmp eq i64 %t354, 1
-  br i1 %t355, label %then9288, label %endif9290
-then9288:
-  store { ptr, i64, i64 } { ptr @.str.6381, i64 5, i64 0 }, ptr %a352
-  br label %endif9290
-endif9290:
-  %t356 = load { ptr, i64, i64 }, ptr %a309
-  store { ptr, i64, i64 } { ptr @.str.6382, i64 7, i64 0 }, ptr %a358
-  store { ptr, i64, i64 } %t356, ptr %a359
-  call void @finch_str_concat(ptr %a357, ptr %a358, ptr %a359)
-  %t360 = load { ptr, i64, i64 }, ptr %a357
-  store { ptr, i64, i64 } %t360, ptr %a362
-  store { ptr, i64, i64 } { ptr @.str.6383, i64 1, i64 0 }, ptr %a363
+inrange9785:
+  %t355 = extractvalue { ptr, i64, i64 } %t352, 0
+  %t356 = getelementptr inbounds { ptr, i64, i64 }, ptr %t355, i64 %t351
+  %t357 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
+  %t358 = load i64, ptr %t357
+  %t359 = icmp eq i64 %t358, 0
+  br i1 %t359, label %then9786, label %endif9788
+then9786:
+  %t360 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } { ptr @.str.6609, i64 25, i64 0 }, ptr %a362
+  store { ptr, i64, i64 } %t360, ptr %a363
   call void @finch_str_concat(ptr %a361, ptr %a362, ptr %a363)
   %t364 = load { ptr, i64, i64 }, ptr %a361
-  %t365 = load { ptr, i64, i64 }, ptr %a352
-  store { ptr, i64, i64 } %t364, ptr %a367
-  store { ptr, i64, i64 } %t365, ptr %a368
-  call void @finch_str_concat(ptr %a366, ptr %a367, ptr %a368)
-  %t369 = load { ptr, i64, i64 }, ptr %a366
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.6384, i64 7, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = load i64, ptr %a265
-  %t375 = load { ptr, i64, i64 }, ptr %a184
-  %t376 = extractvalue { ptr, i64, i64 } %t375, 1
-  %t377 = icmp uge i64 %t374, %t376
-  br i1 %t377, label %range9291, label %inrange9292
-range9291:
-  call void @finch_panic_index(ptr @.str.6385, i64 175, i64 %t374, i64 %t376)
+  %t365 = extractvalue { ptr, i64, i64 } %t364, 1
+  %t366 = trunc i64 %t365 to i32
+  %t367 = extractvalue { ptr, i64, i64 } %t364, 0
+  %t368 = icmp eq ptr %t367, null
+  %t369 = select i1 %t368, ptr @.str.6610, ptr %t367
+  %t370 = call i32 (ptr, ...) @printf(ptr @.str.6611, i32 %t366, ptr %t369)
+  store { ptr, i64, i64 } %t364, ptr %a371
+  call void @finch_str_drop(ptr %a371)
+  %t372 = call i32 (ptr, ...) @printf(ptr @.str.6612)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch.drop.arr_str(ptr %a295)
+  call void @finch.drop.arr_str(ptr %a294)
+  br label %for.step9768
+endif9788:
+  store { ptr, i64, i64 } { ptr @.str.6613, i64 4, i64 0 }, ptr %a373
+  %t374 = getelementptr inbounds { ptr, i64, i64 }, ptr %a294, i32 0, i32 1
+  %t375 = load i64, ptr %t374
+  %t376 = icmp eq i64 %t375, 1
+  br i1 %t376, label %then9789, label %endif9791
+then9789:
+  %t377 = load { ptr, i64, i64 }, ptr %a373
+  store { ptr, i64, i64 } { ptr @.str.6614, i64 5, i64 0 }, ptr %a373
+  store { ptr, i64, i64 } %t377, ptr %a378
+  call void @finch_str_drop(ptr %a378)
+  br label %endif9791
+endif9791:
+  %t379 = load { ptr, i64, i64 }, ptr %a324
+  store { ptr, i64, i64 } { ptr @.str.6615, i64 7, i64 0 }, ptr %a381
+  store { ptr, i64, i64 } %t379, ptr %a382
+  call void @finch_str_concat(ptr %a380, ptr %a381, ptr %a382)
+  %t383 = load { ptr, i64, i64 }, ptr %a380
+  store { ptr, i64, i64 } %t383, ptr %a385
+  store { ptr, i64, i64 } { ptr @.str.6616, i64 1, i64 0 }, ptr %a386
+  call void @finch_str_concat(ptr %a384, ptr %a385, ptr %a386)
+  store { ptr, i64, i64 } %t383, ptr %a387
+  call void @finch_str_drop(ptr %a387)
+  %t388 = load { ptr, i64, i64 }, ptr %a384
+  %t389 = load { ptr, i64, i64 }, ptr %a373
+  store { ptr, i64, i64 } %t388, ptr %a391
+  store { ptr, i64, i64 } %t389, ptr %a392
+  call void @finch_str_concat(ptr %a390, ptr %a391, ptr %a392)
+  store { ptr, i64, i64 } %t388, ptr %a393
+  call void @finch_str_drop(ptr %a393)
+  %t394 = load { ptr, i64, i64 }, ptr %a390
+  store { ptr, i64, i64 } %t394, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.6617, i64 7, i64 0 }, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t394, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  %t400 = load i64, ptr %a280
+  %t401 = load { ptr, i64, i64 }, ptr %a197
+  %t402 = extractvalue { ptr, i64, i64 } %t401, 1
+  %t403 = icmp uge i64 %t400, %t402
+  br i1 %t403, label %range9792, label %inrange9793
+range9792:
+  call void @finch_panic_index(ptr @.str.6618, i64 161, i64 %t400, i64 %t402)
   unreachable
-inrange9292:
-  %t378 = extractvalue { ptr, i64, i64 } %t375, 0
-  %t379 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i64 %t374
-  %t380 = load { ptr, i64, i64 }, ptr %t379
-  store { ptr, i64, i64 } %t373, ptr %a382
-  store { ptr, i64, i64 } %t380, ptr %a383
-  call void @finch_str_concat(ptr %a381, ptr %a382, ptr %a383)
-  %t384 = load { ptr, i64, i64 }, ptr %a381
-  store { ptr, i64, i64 } %t384, ptr %a386
-  store { ptr, i64, i64 } { ptr @.str.6386, i64 31, i64 0 }, ptr %a387
-  call void @finch_str_concat(ptr %a385, ptr %a386, ptr %a387)
-  %t388 = load { ptr, i64, i64 }, ptr %a385
-  %t389 = extractvalue { ptr, i64, i64 } %t388, 1
-  %t390 = trunc i64 %t389 to i32
-  %t391 = extractvalue { ptr, i64, i64 } %t388, 0
-  %t392 = icmp eq ptr %t391, null
-  %t393 = select i1 %t392, ptr @.str.6387, ptr %t391
-  %t394 = call i32 (ptr, ...) @printf(ptr @.str.6388, i32 %t390, ptr %t393)
-  %t395 = call i32 (ptr, ...) @printf(ptr @.str.6389)
-  %t396 = extractvalue { ptr, i64, i64 } { ptr @.str.6390, i64 74, i64 0 }, 1
-  %t397 = trunc i64 %t396 to i32
-  %t398 = extractvalue { ptr, i64, i64 } { ptr @.str.6390, i64 74, i64 0 }, 0
-  %t399 = icmp eq ptr %t398, null
-  %t400 = select i1 %t399, ptr @.str.6391, ptr %t398
-  %t401 = call i32 (ptr, ...) @printf(ptr @.str.6392, i32 %t397, ptr %t400)
-  %t402 = call i32 (ptr, ...) @printf(ptr @.str.6393)
-  %t403 = extractvalue { ptr, i64, i64 } { ptr @.str.6394, i64 66, i64 0 }, 1
-  %t404 = trunc i64 %t403 to i32
-  %t405 = extractvalue { ptr, i64, i64 } { ptr @.str.6394, i64 66, i64 0 }, 0
-  %t406 = icmp eq ptr %t405, null
-  %t407 = select i1 %t406, ptr @.str.6395, ptr %t405
-  %t408 = call i32 (ptr, ...) @printf(ptr @.str.6396, i32 %t404, ptr %t407)
-  %t409 = call i32 (ptr, ...) @printf(ptr @.str.6397)
-  %t410 = extractvalue { ptr, i64, i64 } { ptr @.str.6398, i64 0, i64 0 }, 1
-  %t411 = trunc i64 %t410 to i32
-  %t412 = extractvalue { ptr, i64, i64 } { ptr @.str.6398, i64 0, i64 0 }, 0
-  %t413 = icmp eq ptr %t412, null
-  %t414 = select i1 %t413, ptr @.str.6399, ptr %t412
-  %t415 = call i32 (ptr, ...) @printf(ptr @.str.6400, i32 %t411, ptr %t414)
-  %t416 = call i32 (ptr, ...) @printf(ptr @.str.6401)
-  %t417 = load i64, ptr %a265
-  %t418 = load { ptr, i64, i64 }, ptr %a184
-  %t419 = extractvalue { ptr, i64, i64 } %t418, 1
-  %t420 = icmp uge i64 %t417, %t419
-  br i1 %t420, label %range9293, label %inrange9294
-range9293:
-  call void @finch_panic_index(ptr @.str.6403, i64 179, i64 %t417, i64 %t419)
+inrange9793:
+  %t404 = extractvalue { ptr, i64, i64 } %t401, 0
+  %t405 = getelementptr inbounds { ptr, i64, i64 }, ptr %t404, i64 %t400
+  %t406 = load { ptr, i64, i64 }, ptr %t405
+  store { ptr, i64, i64 } %t399, ptr %a408
+  store { ptr, i64, i64 } %t406, ptr %a409
+  call void @finch_str_concat(ptr %a407, ptr %a408, ptr %a409)
+  store { ptr, i64, i64 } %t399, ptr %a410
+  call void @finch_str_drop(ptr %a410)
+  %t411 = load { ptr, i64, i64 }, ptr %a407
+  store { ptr, i64, i64 } %t411, ptr %a413
+  store { ptr, i64, i64 } { ptr @.str.6619, i64 31, i64 0 }, ptr %a414
+  call void @finch_str_concat(ptr %a412, ptr %a413, ptr %a414)
+  store { ptr, i64, i64 } %t411, ptr %a415
+  call void @finch_str_drop(ptr %a415)
+  %t416 = load { ptr, i64, i64 }, ptr %a412
+  %t417 = extractvalue { ptr, i64, i64 } %t416, 1
+  %t418 = trunc i64 %t417 to i32
+  %t419 = extractvalue { ptr, i64, i64 } %t416, 0
+  %t420 = icmp eq ptr %t419, null
+  %t421 = select i1 %t420, ptr @.str.6620, ptr %t419
+  %t422 = call i32 (ptr, ...) @printf(ptr @.str.6621, i32 %t418, ptr %t421)
+  store { ptr, i64, i64 } %t416, ptr %a423
+  call void @finch_str_drop(ptr %a423)
+  %t424 = call i32 (ptr, ...) @printf(ptr @.str.6622)
+  %t425 = extractvalue { ptr, i64, i64 } { ptr @.str.6623, i64 74, i64 0 }, 1
+  %t426 = trunc i64 %t425 to i32
+  %t427 = extractvalue { ptr, i64, i64 } { ptr @.str.6623, i64 74, i64 0 }, 0
+  %t428 = icmp eq ptr %t427, null
+  %t429 = select i1 %t428, ptr @.str.6624, ptr %t427
+  %t430 = call i32 (ptr, ...) @printf(ptr @.str.6625, i32 %t426, ptr %t429)
+  %t431 = call i32 (ptr, ...) @printf(ptr @.str.6626)
+  %t432 = extractvalue { ptr, i64, i64 } { ptr @.str.6627, i64 66, i64 0 }, 1
+  %t433 = trunc i64 %t432 to i32
+  %t434 = extractvalue { ptr, i64, i64 } { ptr @.str.6627, i64 66, i64 0 }, 0
+  %t435 = icmp eq ptr %t434, null
+  %t436 = select i1 %t435, ptr @.str.6628, ptr %t434
+  %t437 = call i32 (ptr, ...) @printf(ptr @.str.6629, i32 %t433, ptr %t436)
+  %t438 = call i32 (ptr, ...) @printf(ptr @.str.6630)
+  %t439 = extractvalue { ptr, i64, i64 } { ptr @.str.6631, i64 0, i64 0 }, 1
+  %t440 = trunc i64 %t439 to i32
+  %t441 = extractvalue { ptr, i64, i64 } { ptr @.str.6631, i64 0, i64 0 }, 0
+  %t442 = icmp eq ptr %t441, null
+  %t443 = select i1 %t442, ptr @.str.6632, ptr %t441
+  %t444 = call i32 (ptr, ...) @printf(ptr @.str.6633, i32 %t440, ptr %t443)
+  %t445 = call i32 (ptr, ...) @printf(ptr @.str.6634)
+  %t446 = load i64, ptr %a280
+  %t447 = load { ptr, i64, i64 }, ptr %a197
+  %t448 = extractvalue { ptr, i64, i64 } %t447, 1
+  %t449 = icmp uge i64 %t446, %t448
+  br i1 %t449, label %range9794, label %inrange9795
+range9794:
+  call void @finch_panic_index(ptr @.str.6636, i64 165, i64 %t446, i64 %t448)
   unreachable
-inrange9294:
-  %t421 = extractvalue { ptr, i64, i64 } %t418, 0
-  %t422 = getelementptr inbounds { ptr, i64, i64 }, ptr %t421, i64 %t417
-  %t423 = load { ptr, i64, i64 }, ptr %t422
-  %t424 = call { ptr, i64, i64 } @finch.linker.guessLib({ ptr, i64, i64 } %t423)
-  store { ptr, i64, i64 } { ptr @.str.6402, i64 12, i64 0 }, ptr %a426
-  store { ptr, i64, i64 } %t424, ptr %a427
-  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
-  %t428 = load { ptr, i64, i64 }, ptr %a425
-  store { ptr, i64, i64 } %t428, ptr %a430
-  store { ptr, i64, i64 } { ptr @.str.6404, i64 1, i64 0 }, ptr %a431
-  call void @finch_str_concat(ptr %a429, ptr %a430, ptr %a431)
-  %t432 = load { ptr, i64, i64 }, ptr %a429
-  %t433 = extractvalue { ptr, i64, i64 } %t432, 1
-  %t434 = trunc i64 %t433 to i32
-  %t435 = extractvalue { ptr, i64, i64 } %t432, 0
-  %t436 = icmp eq ptr %t435, null
-  %t437 = select i1 %t436, ptr @.str.6405, ptr %t435
-  %t438 = call i32 (ptr, ...) @printf(ptr @.str.6406, i32 %t434, ptr %t437)
-  %t439 = call i32 (ptr, ...) @printf(ptr @.str.6407)
-  %t440 = extractvalue { ptr, i64, i64 } { ptr @.str.6408, i64 0, i64 0 }, 1
-  %t441 = trunc i64 %t440 to i32
-  %t442 = extractvalue { ptr, i64, i64 } { ptr @.str.6408, i64 0, i64 0 }, 0
-  %t443 = icmp eq ptr %t442, null
-  %t444 = select i1 %t443, ptr @.str.6409, ptr %t442
-  %t445 = call i32 (ptr, ...) @printf(ptr @.str.6410, i32 %t441, ptr %t444)
-  %t446 = call i32 (ptr, ...) @printf(ptr @.str.6411)
-  br label %for.step9267
-for.step9267:
-  %t447 = load i64, ptr %a265
-  %t448 = add i64 %t447, 1
-  store i64 %t448, ptr %a265
-  br label %for.cond9265
-for.end9268:
+inrange9795:
+  %t450 = extractvalue { ptr, i64, i64 } %t447, 0
+  %t451 = getelementptr inbounds { ptr, i64, i64 }, ptr %t450, i64 %t446
+  %t452 = load { ptr, i64, i64 }, ptr %t451
+  %t453 = call { ptr, i64, i64 } @finch.linker.guessLib({ ptr, i64, i64 } %t452)
+  store { ptr, i64, i64 } { ptr @.str.6635, i64 12, i64 0 }, ptr %a455
+  store { ptr, i64, i64 } %t453, ptr %a456
+  call void @finch_str_concat(ptr %a454, ptr %a455, ptr %a456)
+  store { ptr, i64, i64 } %t453, ptr %a457
+  call void @finch_str_drop(ptr %a457)
+  %t458 = load { ptr, i64, i64 }, ptr %a454
+  store { ptr, i64, i64 } %t458, ptr %a460
+  store { ptr, i64, i64 } { ptr @.str.6637, i64 1, i64 0 }, ptr %a461
+  call void @finch_str_concat(ptr %a459, ptr %a460, ptr %a461)
+  store { ptr, i64, i64 } %t458, ptr %a462
+  call void @finch_str_drop(ptr %a462)
+  %t463 = load { ptr, i64, i64 }, ptr %a459
+  %t464 = extractvalue { ptr, i64, i64 } %t463, 1
+  %t465 = trunc i64 %t464 to i32
+  %t466 = extractvalue { ptr, i64, i64 } %t463, 0
+  %t467 = icmp eq ptr %t466, null
+  %t468 = select i1 %t467, ptr @.str.6638, ptr %t466
+  %t469 = call i32 (ptr, ...) @printf(ptr @.str.6639, i32 %t465, ptr %t468)
+  store { ptr, i64, i64 } %t463, ptr %a470
+  call void @finch_str_drop(ptr %a470)
+  %t471 = call i32 (ptr, ...) @printf(ptr @.str.6640)
+  %t472 = extractvalue { ptr, i64, i64 } { ptr @.str.6641, i64 0, i64 0 }, 1
+  %t473 = trunc i64 %t472 to i32
+  %t474 = extractvalue { ptr, i64, i64 } { ptr @.str.6641, i64 0, i64 0 }, 0
+  %t475 = icmp eq ptr %t474, null
+  %t476 = select i1 %t475, ptr @.str.6642, ptr %t474
+  %t477 = call i32 (ptr, ...) @printf(ptr @.str.6643, i32 %t473, ptr %t476)
+  %t478 = call i32 (ptr, ...) @printf(ptr @.str.6644)
+  call void @finch_str_drop(ptr %a373)
+  call void @finch_str_drop(ptr %a324)
+  call void @finch.drop.arr_str(ptr %a295)
+  call void @finch.drop.arr_str(ptr %a294)
+  br label %for.step9768
+for.step9768:
+  %t479 = load i64, ptr %a280
+  %t480 = add i64 %t479, 1
+  store i64 %t480, ptr %a280
+  br label %for.cond9766
+for.end9769:
+  call void @finch.drop.arr_S_linker_Names(ptr %a198)
+  call void @finch.drop.arr_str(ptr %a197)
+  call void @finch.drop.S_linker_Names(ptr %a5)
+  call void @finch.drop.S_linker_Names(ptr %a4)
   ret i64 1
 }
 
@@ -83499,111 +100440,95 @@ entry:
   %a29 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a48 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
+  %a50 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
-  %a53 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a73 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
   %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a85 = alloca { ptr, i64, i64 }, align 16
   %a86 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a94 = alloca { ptr, i64, i64 }, align 16
   %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
-  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
   %a100 = alloca { ptr, i64, i64 }, align 16
   %a101 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
   %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
   %a111 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
   %a120 = alloca { ptr, i64, i64 }, align 16
   %a121 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
   %a134 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca i64, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
-  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
+  %a144 = alloca i64, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
   %a157 = alloca { ptr, i64, i64 }, align 16
-  %a158 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
   %a162 = alloca { ptr, i64, i64 }, align 16
   %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
   %a166 = alloca { ptr, i64, i64 }, align 16
   %a167 = alloca { ptr, i64, i64 }, align 16
-  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a168 = alloca { ptr, i64, i64 }, align 16
+  %a169 = alloca { ptr, i64, i64 }, align 16
   %a171 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca { ptr, i64, i64 }, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a190 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca { ptr, i64, i64 }, align 16
-  %a192 = alloca { ptr, i64, i64 }, align 16
-  %a196 = alloca { ptr, i64, i64 }, align 16
-  %a197 = alloca { ptr, i64, i64 }, align 16
-  %a198 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
-  %a201 = alloca { ptr, i64, i64 }, align 16
-  %a202 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
+  %a173 = alloca { ptr, i64, i64 }, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.platform.Target %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -83615,17 +100540,17 @@ entry:
   %t9 = icmp eq i32 %t8, 0
   %t10 = load { ptr, i64, i64 }, ptr %a7
   %t11 = load { ptr, i64, i64 }, ptr %a6
-  br i1 %t9, label %try.failed9295, label %try.ok9296
-try.failed9295:
+  br i1 %t9, label %try.failed9799, label %try.ok9800
+try.failed9799:
   %t12 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t10, 2
   ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t12
-try.ok9296:
+try.ok9800:
   store { ptr, i64, i64 } %t11, ptr %a13
-  %t14 = call { ptr, i64, i64 } @finch.linker.cacheDir()
+  %t14 = call { ptr, i64, i64 } @finch.host.cacheDir()
   store { ptr, i64, i64 } %t14, ptr %a15
   %t16 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t16, ptr %a18
-  store { ptr, i64, i64 } { ptr @.str.6412, i64 4, i64 0 }, ptr %a19
+  store { ptr, i64, i64 } { ptr @.str.6645, i64 4, i64 0 }, ptr %a19
   call void @finch_str_concat(ptr %a17, ptr %a18, ptr %a19)
   %t20 = load { ptr, i64, i64 }, ptr %a17
   %t21 = load { ptr, i64, i64 }, ptr %a13
@@ -83639,215 +100564,222 @@ try.ok9296:
   store { ptr, i64, i64 } %t26, ptr %a30
   store { ptr, i64, i64 } %t28, ptr %a31
   call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  store { ptr, i64, i64 } %t32, ptr %a34
-  store { ptr, i64, i64 } { ptr @.str.6413, i64 3, i64 0 }, ptr %a35
-  call void @finch_str_concat(ptr %a33, ptr %a34, ptr %a35)
-  %t36 = load { ptr, i64, i64 }, ptr %a33
-  %t37 = call { ptr, i64, i64 } @finch.linker.fingerprint({ ptr, i64, i64 } %t36)
-  store { ptr, i64, i64 } %t20, ptr %a39
-  store { ptr, i64, i64 } %t37, ptr %a40
-  call void @finch_str_concat(ptr %a38, ptr %a39, ptr %a40)
-  %t41 = load { ptr, i64, i64 }, ptr %a38
-  store { ptr, i64, i64 } %t41, ptr %a43
-  store { ptr, i64, i64 } { ptr @.str.6414, i64 2, i64 0 }, ptr %a44
-  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
-  %t45 = load { ptr, i64, i64 }, ptr %a42
-  store { ptr, i64, i64 } %t45, ptr %a46
-  %t47 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t47, ptr %a48
-  %t49 = call i32 @finch_file_exists(ptr %a48)
-  %t50 = icmp ne i32 %t49, 0
-  br i1 %t50, label %then9297, label %endif9299
-then9297:
-  %t51 = load { ptr, i64, i64 }, ptr %a46
+  store { ptr, i64, i64 } %t26, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  %t33 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } %t33, ptr %a35
+  store { ptr, i64, i64 } { ptr @.str.6646, i64 3, i64 0 }, ptr %a36
+  call void @finch_str_concat(ptr %a34, ptr %a35, ptr %a36)
+  store { ptr, i64, i64 } %t33, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  %t38 = load { ptr, i64, i64 }, ptr %a34
+  %t39 = call { ptr, i64, i64 } @finch.linker.fingerprint({ ptr, i64, i64 } %t38)
+  store { ptr, i64, i64 } %t38, ptr %a40
+  call void @finch_str_drop(ptr %a40)
+  store { ptr, i64, i64 } %t20, ptr %a42
+  store { ptr, i64, i64 } %t39, ptr %a43
+  call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
+  store { ptr, i64, i64 } %t20, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  store { ptr, i64, i64 } %t39, ptr %a45
+  call void @finch_str_drop(ptr %a45)
+  %t46 = load { ptr, i64, i64 }, ptr %a41
+  store { ptr, i64, i64 } %t46, ptr %a48
+  store { ptr, i64, i64 } { ptr @.str.6647, i64 2, i64 0 }, ptr %a49
+  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
+  store { ptr, i64, i64 } %t46, ptr %a50
+  call void @finch_str_drop(ptr %a50)
+  %t51 = load { ptr, i64, i64 }, ptr %a47
   store { ptr, i64, i64 } %t51, ptr %a52
-  call void @finch_str_copy(ptr %a53, ptr %a52)
-  %t54 = load { ptr, i64, i64 }, ptr %a53
-  %t55 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t56 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t55, { ptr, i64, i64 } %t54, 1
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56
-endif9299:
-  %t57 = load { ptr, i64, i64 }, ptr %a15
-  %t58 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t57)
-  store { ptr, i64, i64 } { ptr @.str.6415, i64 9, i64 0 }, ptr %a60
-  store { ptr, i64, i64 } %t58, ptr %a61
-  call void @finch_str_concat(ptr %a59, ptr %a60, ptr %a61)
-  %t62 = load { ptr, i64, i64 }, ptr %a59
-  store { ptr, i64, i64 } %t62, ptr %a64
-  call void @finch_str_copy(ptr %a63, ptr %a64)
-  %t65 = call i64 @finch_shell(ptr %a63)
-  %t66 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6416, i64 5, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  %t71 = call i32 @getpid()
-  %t72 = sext i32 %t71 to i64
-  call void @finch_str_from_int(ptr %a73, i64 %t72)
-  %t74 = load { ptr, i64, i64 }, ptr %a73
-  store { ptr, i64, i64 } %t70, ptr %a76
-  store { ptr, i64, i64 } %t74, ptr %a77
-  call void @finch_str_concat(ptr %a75, ptr %a76, ptr %a77)
-  %t78 = load { ptr, i64, i64 }, ptr %a75
-  store { ptr, i64, i64 } %t78, ptr %a79
-  store { ptr, i64, i64 } { ptr @.str.6417, i64 6, i64 0 }, ptr %a80
-  %t81 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
-  %t82 = load i1, ptr %t81
-  br i1 %t82, label %then9300, label %endif9302
-then9300:
-  store { ptr, i64, i64 } { ptr @.str.6418, i64 0, i64 0 }, ptr %a80
-  br label %endif9302
-endif9302:
-  %t83 = load { ptr, i64, i64 }, ptr %a79
-  store { ptr, i64, i64 } %t83, ptr %a85
-  store { ptr, i64, i64 } { ptr @.str.6419, i64 4, i64 0 }, ptr %a86
-  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
-  %t87 = load { ptr, i64, i64 }, ptr %a84
-  store { ptr, i64, i64 } %t87, ptr %a88
-  %t89 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t89, ptr %a91
-  store { ptr, i64, i64 } { ptr @.str.6420, i64 4, i64 0 }, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t93, ptr %a96
-  store { ptr, i64, i64 } %t94, ptr %a97
-  call void @finch_str_concat(ptr %a95, ptr %a96, ptr %a97)
-  %t98 = load { ptr, i64, i64 }, ptr %a95
-  store { ptr, i64, i64 } %t98, ptr %a100
-  store { ptr, i64, i64 } { ptr @.str.6421, i64 4, i64 0 }, ptr %a101
-  call void @finch_str_concat(ptr %a99, ptr %a100, ptr %a101)
-  %t102 = load { ptr, i64, i64 }, ptr %a99
+  %t53 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t53, ptr %a54
+  %t55 = call i32 @finch_file_exists(ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br i1 %t56, label %then9801, label %endif9803
+then9801:
+  %t57 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a13)
+  %t58 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t59 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t58, { ptr, i64, i64 } %t57, 1
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t59
+endif9803:
+  %t60 = load { ptr, i64, i64 }, ptr %a15
+  call void @finch.host.makeDirs({ ptr, i64, i64 } %t60)
+  %t61 = load { ptr, i64, i64 }, ptr %a52
+  store { ptr, i64, i64 } %t61, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.6648, i64 5, i64 0 }, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  %t65 = load { ptr, i64, i64 }, ptr %a62
+  %t66 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a67, i64 %t66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } %t65, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t65, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  store { ptr, i64, i64 } %t68, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  %t74 = load { ptr, i64, i64 }, ptr %a69
+  store { ptr, i64, i64 } %t74, ptr %a75
+  store { ptr, i64, i64 } { ptr @.str.6649, i64 6, i64 0 }, ptr %a76
+  %t77 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
+  %t78 = load i1, ptr %t77
+  br i1 %t78, label %then9804, label %endif9806
+then9804:
+  %t79 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } { ptr @.str.6650, i64 0, i64 0 }, ptr %a76
+  store { ptr, i64, i64 } %t79, ptr %a80
+  call void @finch_str_drop(ptr %a80)
+  br label %endif9806
+endif9806:
+  %t81 = load { ptr, i64, i64 }, ptr %a75
+  store { ptr, i64, i64 } %t81, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.6651, i64 4, i64 0 }, ptr %a84
+  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
+  %t85 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t85, ptr %a86
+  %t87 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t87, ptr %a89
+  store { ptr, i64, i64 } { ptr @.str.6652, i64 4, i64 0 }, ptr %a90
+  call void @finch_str_concat(ptr %a88, ptr %a89, ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a88
+  %t92 = load { ptr, i64, i64 }, ptr %a76
+  store { ptr, i64, i64 } %t91, ptr %a94
+  store { ptr, i64, i64 } %t92, ptr %a95
+  call void @finch_str_concat(ptr %a93, ptr %a94, ptr %a95)
+  store { ptr, i64, i64 } %t91, ptr %a96
+  call void @finch_str_drop(ptr %a96)
+  %t97 = load { ptr, i64, i64 }, ptr %a93
+  store { ptr, i64, i64 } %t97, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.6653, i64 4, i64 0 }, ptr %a100
+  call void @finch_str_concat(ptr %a98, ptr %a99, ptr %a100)
+  store { ptr, i64, i64 } %t97, ptr %a101
+  call void @finch_str_drop(ptr %a101)
+  %t102 = load { ptr, i64, i64 }, ptr %a98
   %t103 = load { ptr, i64, i64 }, ptr %a1
   %t104 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t103)
   store { ptr, i64, i64 } %t102, ptr %a106
   store { ptr, i64, i64 } %t104, ptr %a107
   call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a110
-  store { ptr, i64, i64 } { ptr @.str.6422, i64 4, i64 0 }, ptr %a111
-  call void @finch_str_concat(ptr %a109, ptr %a110, ptr %a111)
-  %t112 = load { ptr, i64, i64 }, ptr %a109
-  %t113 = load { ptr, i64, i64 }, ptr %a79
-  %t114 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t113)
-  store { ptr, i64, i64 } %t112, ptr %a116
-  store { ptr, i64, i64 } %t114, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  store { ptr, i64, i64 } %t118, ptr %a120
-  store { ptr, i64, i64 } { ptr @.str.6423, i64 3, i64 0 }, ptr %a121
-  call void @finch_str_concat(ptr %a119, ptr %a120, ptr %a121)
-  %t122 = load { ptr, i64, i64 }, ptr %a119
-  %t123 = load { ptr, i64, i64 }, ptr %a88
-  %t124 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t123)
-  store { ptr, i64, i64 } %t122, ptr %a126
-  store { ptr, i64, i64 } %t124, ptr %a127
-  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
-  %t128 = load { ptr, i64, i64 }, ptr %a125
-  store { ptr, i64, i64 } %t128, ptr %a130
-  store { ptr, i64, i64 } { ptr @.str.6424, i64 5, i64 0 }, ptr %a131
-  call void @finch_str_concat(ptr %a129, ptr %a130, ptr %a131)
-  %t132 = load { ptr, i64, i64 }, ptr %a129
-  store { ptr, i64, i64 } %t132, ptr %a134
-  call void @finch_str_copy(ptr %a133, ptr %a134)
-  %t135 = call i64 @finch_shell(ptr %a133)
-  store i64 %t135, ptr %a136
-  %t137 = load i64, ptr %a136
-  %t138 = icmp ne i64 %t137, 0
-  br i1 %t138, label %then9303, label %endif9305
-then9303:
-  %t139 = load { ptr, i64, i64 }, ptr %a88
-  store { ptr, i64, i64 } %t139, ptr %a140
-  store { ptr, i64, i64 } zeroinitializer, ptr %a141
-  store { ptr, i64, i64 } zeroinitializer, ptr %a142
-  %t143 = call i32 @finch_try_read_file(ptr %a141, ptr %a140, ptr %a142)
-  %t144 = icmp eq i32 %t143, 0
-  %t145 = load { ptr, i64, i64 }, ptr %a142
-  %t146 = load { ptr, i64, i64 }, ptr %a141
-  br i1 %t144, label %or.failed9306, label %or.ok9307
-or.failed9306:
-  store { ptr, i64, i64 } %t145, ptr %a147
-  br label %or.bend9308
-or.bend9308:
-  br label %or.end9309
-or.ok9307:
-  br label %or.end9309
-or.end9309:
-  %t148 = phi { ptr, i64, i64 } [ { ptr @.str.6425, i64 0, i64 0 }, %or.bend9308 ], [ %t146, %or.ok9307 ]
-  store { ptr, i64, i64 } %t148, ptr %a149
-  %t150 = load { ptr, i64, i64 }, ptr %a79
-  %t151 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t150)
-  store { ptr, i64, i64 } { ptr @.str.6426, i64 6, i64 0 }, ptr %a153
-  store { ptr, i64, i64 } %t151, ptr %a154
-  call void @finch_str_concat(ptr %a152, ptr %a153, ptr %a154)
-  %t155 = load { ptr, i64, i64 }, ptr %a152
-  store { ptr, i64, i64 } %t155, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.6427, i64 1, i64 0 }, ptr %a158
-  call void @finch_str_concat(ptr %a156, ptr %a157, ptr %a158)
-  %t159 = load { ptr, i64, i64 }, ptr %a156
-  %t160 = load { ptr, i64, i64 }, ptr %a88
-  %t161 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t160)
-  store { ptr, i64, i64 } %t159, ptr %a163
-  store { ptr, i64, i64 } %t161, ptr %a164
-  call void @finch_str_concat(ptr %a162, ptr %a163, ptr %a164)
-  %t165 = load { ptr, i64, i64 }, ptr %a162
-  store { ptr, i64, i64 } %t165, ptr %a167
-  call void @finch_str_copy(ptr %a166, ptr %a167)
-  %t168 = call i64 @finch_shell(ptr %a166)
-  %t169 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t169, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.6428, i64 46, i64 0 }, ptr %a172
-  call void @finch_str_concat(ptr %a170, ptr %a171, ptr %a172)
-  %t173 = load { ptr, i64, i64 }, ptr %a170
-  %t174 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t173, ptr %a176
-  store { ptr, i64, i64 } %t174, ptr %a177
-  call void @finch_str_concat(ptr %a175, ptr %a176, ptr %a177)
-  %t178 = load { ptr, i64, i64 }, ptr %a175
-  store { ptr, i64, i64 } %t178, ptr %a180
-  store { ptr, i64, i64 } { ptr @.str.6429, i64 30, i64 0 }, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  %t183 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t182, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t183
-endif9305:
-  %t184 = load { ptr, i64, i64 }, ptr %a88
-  %t185 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t184)
-  store { ptr, i64, i64 } { ptr @.str.6430, i64 6, i64 0 }, ptr %a187
-  store { ptr, i64, i64 } %t185, ptr %a188
-  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
-  %t189 = load { ptr, i64, i64 }, ptr %a186
-  store { ptr, i64, i64 } %t189, ptr %a191
-  store { ptr, i64, i64 } { ptr @.str.6431, i64 7, i64 0 }, ptr %a192
-  call void @finch_str_concat(ptr %a190, ptr %a191, ptr %a192)
-  %t193 = load { ptr, i64, i64 }, ptr %a190
-  %t194 = load { ptr, i64, i64 }, ptr %a79
-  %t195 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t194)
-  store { ptr, i64, i64 } %t193, ptr %a197
-  store { ptr, i64, i64 } %t195, ptr %a198
-  call void @finch_str_concat(ptr %a196, ptr %a197, ptr %a198)
-  %t199 = load { ptr, i64, i64 }, ptr %a196
-  store { ptr, i64, i64 } %t199, ptr %a201
-  store { ptr, i64, i64 } { ptr @.str.6432, i64 1, i64 0 }, ptr %a202
-  call void @finch_str_concat(ptr %a200, ptr %a201, ptr %a202)
-  %t203 = load { ptr, i64, i64 }, ptr %a200
-  %t204 = load { ptr, i64, i64 }, ptr %a46
-  %t205 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t204)
-  store { ptr, i64, i64 } %t203, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  store { ptr, i64, i64 } %t209, ptr %a211
-  call void @finch_str_copy(ptr %a210, ptr %a211)
-  %t212 = call i64 @finch_shell(ptr %a210)
-  %t213 = load { ptr, i64, i64 }, ptr %a46
-  store { ptr, i64, i64 } %t213, ptr %a214
-  call void @finch_str_copy(ptr %a215, ptr %a214)
-  %t216 = load { ptr, i64, i64 }, ptr %a215
-  %t217 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t218 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t217, { ptr, i64, i64 } %t216, 1
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t218
+  store { ptr, i64, i64 } %t102, ptr %a108
+  call void @finch_str_drop(ptr %a108)
+  store { ptr, i64, i64 } %t104, ptr %a109
+  call void @finch_str_drop(ptr %a109)
+  %t110 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } %t110, ptr %a112
+  store { ptr, i64, i64 } { ptr @.str.6654, i64 4, i64 0 }, ptr %a113
+  call void @finch_str_concat(ptr %a111, ptr %a112, ptr %a113)
+  store { ptr, i64, i64 } %t110, ptr %a114
+  call void @finch_str_drop(ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a111
+  %t116 = load { ptr, i64, i64 }, ptr %a75
+  %t117 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  store { ptr, i64, i64 } %t117, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t115, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  store { ptr, i64, i64 } %t117, ptr %a122
+  call void @finch_str_drop(ptr %a122)
+  %t123 = load { ptr, i64, i64 }, ptr %a118
+  store { ptr, i64, i64 } %t123, ptr %a125
+  store { ptr, i64, i64 } { ptr @.str.6655, i64 3, i64 0 }, ptr %a126
+  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
+  store { ptr, i64, i64 } %t123, ptr %a127
+  call void @finch_str_drop(ptr %a127)
+  %t128 = load { ptr, i64, i64 }, ptr %a124
+  %t129 = load { ptr, i64, i64 }, ptr %a86
+  %t130 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t129)
+  store { ptr, i64, i64 } %t128, ptr %a132
+  store { ptr, i64, i64 } %t130, ptr %a133
+  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
+  store { ptr, i64, i64 } %t128, ptr %a134
+  call void @finch_str_drop(ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a131
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.6656, i64 5, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = call i64 @finch.host.run({ ptr, i64, i64 } %t141)
+  store { ptr, i64, i64 } %t141, ptr %a143
+  call void @finch_str_drop(ptr %a143)
+  store i64 %t142, ptr %a144
+  %t145 = load i64, ptr %a144
+  %t146 = icmp ne i64 %t145, 0
+  br i1 %t146, label %then9807, label %endif9809
+then9807:
+  %t147 = load { ptr, i64, i64 }, ptr %a86
+  store { ptr, i64, i64 } %t147, ptr %a148
+  store { ptr, i64, i64 } zeroinitializer, ptr %a149
+  store { ptr, i64, i64 } zeroinitializer, ptr %a150
+  %t151 = call i32 @finch_try_read_file(ptr %a149, ptr %a148, ptr %a150)
+  %t152 = icmp eq i32 %t151, 0
+  %t153 = load { ptr, i64, i64 }, ptr %a150
+  %t154 = load { ptr, i64, i64 }, ptr %a149
+  br i1 %t152, label %or.failed9810, label %or.ok9811
+or.failed9810:
+  store { ptr, i64, i64 } %t153, ptr %a155
+  call void @finch_str_drop(ptr %a155)
+  br label %or.bend9812
+or.bend9812:
+  br label %or.end9813
+or.ok9811:
+  br label %or.end9813
+or.end9813:
+  %t156 = phi { ptr, i64, i64 } [ { ptr @.str.6657, i64 0, i64 0 }, %or.bend9812 ], [ %t154, %or.ok9811 ]
+  store { ptr, i64, i64 } %t156, ptr %a157
+  %t158 = load { ptr, i64, i64 }, ptr %a75
+  call void @finch.host.remove({ ptr, i64, i64 } %t158)
+  %t159 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.host.remove({ ptr, i64, i64 } %t159)
+  %t160 = load { ptr, i64, i64 }, ptr %a157
+  store { ptr, i64, i64 } %t160, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.6658, i64 46, i64 0 }, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  %t164 = load { ptr, i64, i64 }, ptr %a161
+  %t165 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t164, ptr %a167
+  store { ptr, i64, i64 } %t165, ptr %a168
+  call void @finch_str_concat(ptr %a166, ptr %a167, ptr %a168)
+  store { ptr, i64, i64 } %t164, ptr %a169
+  call void @finch_str_drop(ptr %a169)
+  %t170 = load { ptr, i64, i64 }, ptr %a166
+  store { ptr, i64, i64 } %t170, ptr %a172
+  store { ptr, i64, i64 } { ptr @.str.6659, i64 30, i64 0 }, ptr %a173
+  call void @finch_str_concat(ptr %a171, ptr %a172, ptr %a173)
+  store { ptr, i64, i64 } %t170, ptr %a174
+  call void @finch_str_drop(ptr %a174)
+  %t175 = load { ptr, i64, i64 }, ptr %a171
+  call void @finch_str_drop(ptr %a157)
+  call void @finch_str_drop(ptr %a86)
+  call void @finch_str_drop(ptr %a76)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a52)
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a13)
+  %t176 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t175, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t176
+endif9809:
+  %t177 = load { ptr, i64, i64 }, ptr %a86
+  call void @finch.host.remove({ ptr, i64, i64 } %t177)
+  %t178 = load { ptr, i64, i64 }, ptr %a75
+  %t179 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch.host.move({ ptr, i64, i64 } %t178, { ptr, i64, i64 } %t179)
+  %t180 = load { ptr, i64, i64 }, ptr %a52
+  call void @finch_str_drop(ptr %a86)
+  call void @finch_str_drop(ptr %a76)
+  call void @finch_str_drop(ptr %a75)
+  call void @finch_str_drop(ptr %a15)
+  call void @finch_str_drop(ptr %a13)
+  %t181 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t182 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t181, { ptr, i64, i64 } %t180, 1
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t182
 }
 
 define internal i64 @finch.linker.build(%S.linker.Build %p0, %S.platform.Target %p1, %S.cimport.CImports %p2) {
@@ -83860,266 +100792,275 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a18 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
   %a21 = alloca { ptr, i64, i64 }, align 16
-  %a26 = alloca { ptr, i64, i64 }, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
-  %a44 = alloca { ptr, i64, i64 }, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a67 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a37 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a70 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
   %a74 = alloca { ptr, i64, i64 }, align 16
   %a75 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
   %a80 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a86 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a89 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
   %a99 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
+  %a102 = alloca { ptr, i64, i64 }, align 16
   %a105 = alloca { ptr, i64, i64 }, align 16
   %a106 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
   %a109 = alloca { ptr, i64, i64 }, align 16
-  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
   %a116 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca { ptr, i64, i64 }, align 16
-  %a121 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca { ptr, i64, i64 }, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
   %a124 = alloca { ptr, i64, i64 }, align 16
   %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a130 = alloca { ptr, i64, i64 }, align 16
   %a131 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
-  %a134 = alloca { ptr, i64, i64 }, align 16
+  %a133 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
   %a136 = alloca { ptr, i64, i64 }, align 16
-  %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
   %a142 = alloca { ptr, i64, i64 }, align 16
+  %a143 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
-  %a152 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
   %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca i64, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca { ptr, i64, i64 }, align 16
   %a164 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca { ptr, i64, i64 }, align 16
-  %a166 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
   %a169 = alloca { ptr, i64, i64 }, align 16
+  %a170 = alloca { ptr, i64, i64 }, align 16
+  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a172 = alloca { ptr, i64, i64 }, align 16
   %a174 = alloca { ptr, i64, i64 }, align 16
   %a175 = alloca { ptr, i64, i64 }, align 16
   %a176 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a199 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca { ptr, i64, i64 }, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca i64, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
   %a201 = alloca { ptr, i64, i64 }, align 16
-  %a203 = alloca { ptr, i64, i64 }, align 16
-  %a204 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a209 = alloca { ptr, i64, i64 }, align 16
-  %a210 = alloca { ptr, i64, i64 }, align 16
-  %a211 = alloca { ptr, i64, i64 }, align 16
   %a213 = alloca { ptr, i64, i64 }, align 16
   %a214 = alloca { ptr, i64, i64 }, align 16
-  %a217 = alloca { ptr, i64, i64 }, align 16
-  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a222 = alloca { ptr, i64, i64 }, align 16
   %a223 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
   %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a227 = alloca { ptr, i64, i64 }, align 16
   %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
+  %a232 = alloca { ptr, i64, i64 }, align 16
   %a233 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
   %a239 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
+  %a240 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a259 = alloca { ptr, i64, i64 }, align 16
   %a262 = alloca { ptr, i64, i64 }, align 16
-  %a263 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a267 = alloca { ptr, i64, i64 }, align 16
   %a268 = alloca { ptr, i64, i64 }, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a273 = alloca i64, align 16
+  %a270 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a276 = alloca { ptr, i64, i64 }, align 16
+  %a277 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
   %a281 = alloca { ptr, i64, i64 }, align 16
-  %a283 = alloca { ptr, i64, i64 }, align 16
-  %a284 = alloca { ptr, i64, i64 }, align 16
-  %a285 = alloca { ptr, i64, i64 }, align 16
-  %a290 = alloca { ptr, i64, i64 }, align 16
+  %a283 = alloca i64, align 16
   %a291 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a296 = alloca { ptr, i64, i64 }, align 16
-  %a298 = alloca { ptr, i64, i64 }, align 16
-  %a299 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca { ptr, i64, i64 }, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
   %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca { ptr, i64, i64 }, align 16
   %a302 = alloca { ptr, i64, i64 }, align 16
-  %a303 = alloca { ptr, i64, i64 }, align 16
-  %a304 = alloca { ptr, i64, i64 }, align 16
   %a306 = alloca { ptr, i64, i64 }, align 16
-  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a308 = alloca { ptr, i64, i64 }, align 16
+  %a309 = alloca { ptr, i64, i64 }, align 16
+  %a310 = alloca { ptr, i64, i64 }, align 16
   %a311 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
-  %a313 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca { ptr, i64, i64 }, align 16
+  %a315 = alloca { ptr, i64, i64 }, align 16
   %a316 = alloca { ptr, i64, i64 }, align 16
   %a317 = alloca { ptr, i64, i64 }, align 16
-  %a318 = alloca { ptr, i64, i64 }, align 16
+  %a319 = alloca { ptr, i64, i64 }, align 16
   %a320 = alloca { ptr, i64, i64 }, align 16
-  %a321 = alloca { ptr, i64, i64 }, align 16
-  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a324 = alloca { ptr, i64, i64 }, align 16
   %a326 = alloca { ptr, i64, i64 }, align 16
   %a327 = alloca { ptr, i64, i64 }, align 16
   %a328 = alloca { ptr, i64, i64 }, align 16
-  %a330 = alloca { ptr, i64, i64 }, align 16
   %a331 = alloca { ptr, i64, i64 }, align 16
   %a332 = alloca { ptr, i64, i64 }, align 16
+  %a333 = alloca { ptr, i64, i64 }, align 16
+  %a334 = alloca { ptr, i64, i64 }, align 16
   %a336 = alloca { ptr, i64, i64 }, align 16
   %a337 = alloca { ptr, i64, i64 }, align 16
   %a338 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a341 = alloca { ptr, i64, i64 }, align 16
-  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a339 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a344 = alloca { ptr, i64, i64 }, align 16
+  %a345 = alloca { ptr, i64, i64 }, align 16
   %a346 = alloca { ptr, i64, i64 }, align 16
   %a347 = alloca { ptr, i64, i64 }, align 16
-  %a348 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
   %a350 = alloca { ptr, i64, i64 }, align 16
   %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
-  %a354 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca i64, align 16
-  %a361 = alloca { ptr, i64, i64 }, align 16
+  %a356 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a358 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
   %a362 = alloca { ptr, i64, i64 }, align 16
   %a363 = alloca { ptr, i64, i64 }, align 16
-  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a365 = alloca { ptr, i64, i64 }, align 16
+  %a369 = alloca { ptr, i64, i64 }, align 16
   %a370 = alloca { ptr, i64, i64 }, align 16
   %a371 = alloca { ptr, i64, i64 }, align 16
   %a372 = alloca { ptr, i64, i64 }, align 16
+  %a373 = alloca { ptr, i64, i64 }, align 16
   %a375 = alloca { ptr, i64, i64 }, align 16
   %a376 = alloca { ptr, i64, i64 }, align 16
   %a377 = alloca { ptr, i64, i64 }, align 16
+  %a378 = alloca { ptr, i64, i64 }, align 16
+  %a381 = alloca { ptr, i64, i64 }, align 16
+  %a382 = alloca i64, align 16
+  %a386 = alloca { ptr, i64, i64 }, align 16
+  %a387 = alloca { ptr, i64, i64 }, align 16
   %a388 = alloca { ptr, i64, i64 }, align 16
-  %a389 = alloca { ptr, i64, i64 }, align 16
-  %a390 = alloca { ptr, i64, i64 }, align 16
-  %a392 = alloca { ptr, i64, i64 }, align 16
   %a393 = alloca { ptr, i64, i64 }, align 16
-  %a394 = alloca { ptr, i64, i64 }, align 16
+  %a395 = alloca { ptr, i64, i64 }, align 16
+  %a396 = alloca { ptr, i64, i64 }, align 16
+  %a397 = alloca { ptr, i64, i64 }, align 16
   %a398 = alloca { ptr, i64, i64 }, align 16
-  %a399 = alloca { ptr, i64, i64 }, align 16
-  %a400 = alloca { ptr, i64, i64 }, align 16
+  %a401 = alloca { ptr, i64, i64 }, align 16
   %a402 = alloca { ptr, i64, i64 }, align 16
   %a403 = alloca { ptr, i64, i64 }, align 16
   %a404 = alloca { ptr, i64, i64 }, align 16
-  %a408 = alloca { ptr, i64, i64 }, align 16
-  %a409 = alloca { ptr, i64, i64 }, align 16
-  %a410 = alloca { ptr, i64, i64 }, align 16
   %a412 = alloca { ptr, i64, i64 }, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a417 = alloca { ptr, i64, i64 }, align 16
-  %a418 = alloca { ptr, i64, i64 }, align 16
-  %a425 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca { ptr, i64, i64 }, align 16
+  %a419 = alloca { ptr, i64, i64 }, align 16
+  %a420 = alloca { ptr, i64, i64 }, align 16
   %a427 = alloca { ptr, i64, i64 }, align 16
-  %a431 = alloca { ptr, i64, i64 }, align 16
-  %a432 = alloca { ptr, i64, i64 }, align 16
+  %a428 = alloca { ptr, i64, i64 }, align 16
+  %a429 = alloca { ptr, i64, i64 }, align 16
   %a433 = alloca { ptr, i64, i64 }, align 16
+  %a434 = alloca { ptr, i64, i64 }, align 16
+  %a435 = alloca { ptr, i64, i64 }, align 16
   %a436 = alloca { ptr, i64, i64 }, align 16
   %a437 = alloca { ptr, i64, i64 }, align 16
-  %a438 = alloca { ptr, i64, i64 }, align 16
+  %a440 = alloca { ptr, i64, i64 }, align 16
   %a442 = alloca { ptr, i64, i64 }, align 16
   %a443 = alloca { ptr, i64, i64 }, align 16
   %a444 = alloca { ptr, i64, i64 }, align 16
+  %a448 = alloca { ptr, i64, i64 }, align 16
   %a449 = alloca { ptr, i64, i64 }, align 16
   %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
   %a455 = alloca { ptr, i64, i64 }, align 16
   %a456 = alloca { ptr, i64, i64 }, align 16
   %a457 = alloca { ptr, i64, i64 }, align 16
-  %a460 = alloca { ptr, i64, i64 }, align 16
   %a461 = alloca { ptr, i64, i64 }, align 16
   %a462 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca { ptr, i64, i64 }, align 16
+  %a463 = alloca { ptr, i64, i64 }, align 16
+  %a464 = alloca { ptr, i64, i64 }, align 16
+  %a465 = alloca { ptr, i64, i64 }, align 16
   %a468 = alloca { ptr, i64, i64 }, align 16
-  %a469 = alloca { ptr, i64, i64 }, align 16
-  %a474 = alloca { ptr, i64, i64 }, align 16
-  %a475 = alloca { ptr, i64, i64 }, align 16
-  %a476 = alloca { ptr, i64, i64 }, align 16
+  %a470 = alloca { ptr, i64, i64 }, align 16
+  %a471 = alloca { ptr, i64, i64 }, align 16
+  %a472 = alloca { ptr, i64, i64 }, align 16
+  %a477 = alloca { ptr, i64, i64 }, align 16
+  %a478 = alloca { ptr, i64, i64 }, align 16
+  %a479 = alloca { ptr, i64, i64 }, align 16
   %a480 = alloca { ptr, i64, i64 }, align 16
   %a481 = alloca { ptr, i64, i64 }, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
   %a484 = alloca { ptr, i64, i64 }, align 16
-  %a485 = alloca { ptr, i64, i64 }, align 16
-  %a486 = alloca { ptr, i64, i64 }, align 16
   %a488 = alloca { ptr, i64, i64 }, align 16
   %a489 = alloca { ptr, i64, i64 }, align 16
-  %a491 = alloca i64, align 16
-  %a493 = alloca { ptr, i64, i64 }, align 16
+  %a490 = alloca { ptr, i64, i64 }, align 16
   %a494 = alloca { ptr, i64, i64 }, align 16
   %a495 = alloca { ptr, i64, i64 }, align 16
+  %a496 = alloca { ptr, i64, i64 }, align 16
+  %a497 = alloca { ptr, i64, i64 }, align 16
+  %a498 = alloca { ptr, i64, i64 }, align 16
   %a500 = alloca { ptr, i64, i64 }, align 16
+  %a501 = alloca { ptr, i64, i64 }, align 16
   %a502 = alloca { ptr, i64, i64 }, align 16
-  %a505 = alloca { ptr, i64, i64 }, align 16
+  %a503 = alloca { ptr, i64, i64 }, align 16
   %a506 = alloca { ptr, i64, i64 }, align 16
-  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a507 = alloca i64, align 16
   %a509 = alloca { ptr, i64, i64 }, align 16
   %a510 = alloca { ptr, i64, i64 }, align 16
   %a511 = alloca { ptr, i64, i64 }, align 16
-  %a515 = alloca { ptr, i64, i64 }, align 16
   %a516 = alloca { ptr, i64, i64 }, align 16
-  %a517 = alloca { ptr, i64, i64 }, align 16
-  %a519 = alloca { ptr, i64, i64 }, align 16
-  %a520 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca i64, align 16
-  %a530 = alloca { ptr, i64, i64 }, align 16
-  %a533 = alloca { ptr, i64, i64 }, align 16
-  %a534 = alloca { ptr, i64, i64 }, align 16
-  %a535 = alloca { ptr, i64, i64 }, align 16
+  %a518 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca i64, align 16
+  %a529 = alloca { ptr, i64, i64 }, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
   %a537 = alloca { ptr, i64, i64 }, align 16
   %a538 = alloca { ptr, i64, i64 }, align 16
-  %a545 = alloca { ptr, i64, i64 }, align 16
-  %a546 = alloca { ptr, i64, i64 }, align 16
-  %a547 = alloca { ptr, i64, i64 }, align 16
-  %a549 = alloca { ptr, i64, i64 }, align 16
-  %a550 = alloca { ptr, i64, i64 }, align 16
+  %a540 = alloca { ptr, i64, i64 }, align 16
+  %a541 = alloca { ptr, i64, i64 }, align 16
+  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a543 = alloca { ptr, i64, i64 }, align 16
   %a551 = alloca { ptr, i64, i64 }, align 16
   store %S.linker.Build %p0, ptr %a1
   store %S.platform.Target %p1, ptr %a2
   store %S.cimport.CImports %p2, ptr %a3
-  %t4 = extractvalue { ptr, i64, i64 } { ptr @.str.6433, i64 11, i64 0 }, 0
+  %t4 = extractvalue { ptr, i64, i64 } { ptr @.str.6660, i64 11, i64 0 }, 0
   %t5 = icmp eq ptr %t4, null
-  %t6 = select i1 %t5, ptr @.str.6434, ptr %t4
+  %t6 = select i1 %t5, ptr @.str.6661, ptr %t4
   %t7 = call ptr @getenv(ptr %t6)
   store { ptr, i64, i64 } zeroinitializer, ptr %a8
   call void @finch_str_from_c(ptr %a8, ptr %t7)
@@ -84131,701 +101072,823 @@ entry:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a13, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = icmp eq i64 %t15, 0
-  br i1 %t16, label %then9310, label %endif9312
-then9310:
-  store { ptr, i64, i64 } { ptr @.str.6435, i64 5, i64 0 }, ptr %a13
-  br label %endif9312
-endif9312:
+  br i1 %t16, label %then9814, label %endif9816
+then9814:
   %t17 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } { ptr @.str.6662, i64 5, i64 0 }, ptr %a13
   store { ptr, i64, i64 } %t17, ptr %a18
-  call void @finch_str_copy(ptr %a19, ptr %a18)
-  %t20 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } %t20, ptr %a21
-  %t22 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
-  %t23 = load i1, ptr %t22
-  br i1 %t23, label %then9313, label %else9314
-then9313:
-  %t24 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 7
-  %t25 = load { ptr, i64, i64 }, ptr %t24
-  store { ptr, i64, i64 } %t25, ptr %a26
-  call void @finch_str_copy(ptr %a27, ptr %a26)
-  %t28 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t28, ptr %a21
-  br label %endif9315
-else9314:
-  %t29 = extractvalue { ptr, i64, i64 } { ptr @.str.6436, i64 8, i64 0 }, 0
-  %t30 = icmp eq ptr %t29, null
-  %t31 = select i1 %t30, ptr @.str.6437, ptr %t29
-  %t32 = call ptr @getenv(ptr %t31)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a33
-  call void @finch_str_from_c(ptr %a33, ptr %t32)
-  %t34 = load { ptr, i64, i64 }, ptr %a33
-  %t35 = extractvalue { ptr, i64, i64 } %t34, 1
-  %t36 = icmp sgt i64 %t35, 0
-  br i1 %t36, label %then9316, label %endif9318
-then9316:
-  %t37 = extractvalue { ptr, i64, i64 } { ptr @.str.6438, i64 8, i64 0 }, 0
-  %t38 = icmp eq ptr %t37, null
-  %t39 = select i1 %t38, ptr @.str.6439, ptr %t37
-  %t40 = call ptr @getenv(ptr %t39)
-  store { ptr, i64, i64 } zeroinitializer, ptr %a41
-  call void @finch_str_from_c(ptr %a41, ptr %t40)
-  %t42 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t42, ptr %a43
-  call void @finch_str_copy(ptr %a44, ptr %a43)
-  %t45 = load { ptr, i64, i64 }, ptr %a44
-  store { ptr, i64, i64 } %t45, ptr %a21
-  br label %endif9318
-endif9318:
-  br label %endif9315
-endif9315:
-  %t46 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 2
-  %t47 = load { ptr, i64, i64 }, ptr %t46
-  %t48 = load %S.platform.Target, ptr %a2
-  %t49 = load { ptr, i64, i64 }, ptr %a21
-  %t50 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.linker.runtimeObject({ ptr, i64, i64 } %t47, %S.platform.Target %t48, { ptr, i64, i64 } %t49)
-  %t51 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t50, 0
-  %t52 = xor i1 %t51, true
-  %t53 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t50, 2
-  %t54 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t50, 1
-  br i1 %t52, label %or.failed9319, label %or.ok9320
-or.failed9319:
-  store { ptr, i64, i64 } %t53, ptr %a55
-  %t56 = load { ptr, i64, i64 }, ptr %a55
-  %t57 = extractvalue { ptr, i64, i64 } %t56, 1
-  %t58 = trunc i64 %t57 to i32
-  %t59 = extractvalue { ptr, i64, i64 } %t56, 0
-  %t60 = icmp eq ptr %t59, null
-  %t61 = select i1 %t60, ptr @.str.6440, ptr %t59
-  %t62 = call i32 (ptr, ...) @printf(ptr @.str.6441, i32 %t58, ptr %t61)
-  %t63 = call i32 (ptr, ...) @printf(ptr @.str.6442)
+  call void @finch_str_drop(ptr %a18)
+  br label %endif9816
+endif9816:
+  %t19 = load { ptr, i64, i64 }, ptr %a13
+  store { ptr, i64, i64 } %t19, ptr %a20
+  call void @finch_str_copy(ptr %a21, ptr %a20)
+  %t22 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } %t22, ptr %a23
+  %t24 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
+  %t25 = load i1, ptr %t24
+  br i1 %t25, label %then9817, label %else9818
+then9817:
+  %t26 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 7
+  %t27 = load { ptr, i64, i64 }, ptr %t26
+  store { ptr, i64, i64 } %t27, ptr %a28
+  call void @finch_str_copy(ptr %a29, ptr %a28)
+  %t30 = load { ptr, i64, i64 }, ptr %a29
+  %t31 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t30, ptr %a23
+  store { ptr, i64, i64 } %t31, ptr %a32
+  call void @finch_str_drop(ptr %a32)
+  br label %endif9819
+else9818:
+  %t33 = extractvalue { ptr, i64, i64 } { ptr @.str.6663, i64 8, i64 0 }, 0
+  %t34 = icmp eq ptr %t33, null
+  %t35 = select i1 %t34, ptr @.str.6664, ptr %t33
+  %t36 = call ptr @getenv(ptr %t35)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a37
+  call void @finch_str_from_c(ptr %a37, ptr %t36)
+  %t38 = load { ptr, i64, i64 }, ptr %a37
+  %t39 = extractvalue { ptr, i64, i64 } %t38, 1
+  %t40 = icmp sgt i64 %t39, 0
+  br i1 %t40, label %then9820, label %endif9822
+then9820:
+  %t41 = extractvalue { ptr, i64, i64 } { ptr @.str.6665, i64 8, i64 0 }, 0
+  %t42 = icmp eq ptr %t41, null
+  %t43 = select i1 %t42, ptr @.str.6666, ptr %t41
+  %t44 = call ptr @getenv(ptr %t43)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a45
+  call void @finch_str_from_c(ptr %a45, ptr %t44)
+  %t46 = load { ptr, i64, i64 }, ptr %a45
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_copy(ptr %a48, ptr %a47)
+  %t49 = load { ptr, i64, i64 }, ptr %a48
+  %t50 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t49, ptr %a23
+  store { ptr, i64, i64 } %t50, ptr %a51
+  call void @finch_str_drop(ptr %a51)
+  br label %endif9822
+endif9822:
+  br label %endif9819
+endif9819:
+  %t52 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 2
+  %t53 = load { ptr, i64, i64 }, ptr %t52
+  %t54 = load %S.platform.Target, ptr %a2
+  %t55 = load { ptr, i64, i64 }, ptr %a23
+  %t56 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.linker.runtimeObject({ ptr, i64, i64 } %t53, %S.platform.Target %t54, { ptr, i64, i64 } %t55)
+  %t57 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56, 0
+  %t58 = xor i1 %t57, true
+  %t59 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56, 2
+  %t60 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t56, 1
+  br i1 %t58, label %or.failed9823, label %or.ok9824
+or.failed9823:
+  store { ptr, i64, i64 } %t59, ptr %a61
+  %t62 = load { ptr, i64, i64 }, ptr %a61
+  %t63 = extractvalue { ptr, i64, i64 } %t62, 1
+  %t64 = trunc i64 %t63 to i32
+  %t65 = extractvalue { ptr, i64, i64 } %t62, 0
+  %t66 = icmp eq ptr %t65, null
+  %t67 = select i1 %t66, ptr @.str.6667, ptr %t65
+  %t68 = call i32 (ptr, ...) @printf(ptr @.str.6668, i32 %t64, ptr %t67)
+  %t69 = call i32 (ptr, ...) @printf(ptr @.str.6669)
+  call void @finch_str_drop(ptr %a61)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-or.ok9320:
-  store { ptr, i64, i64 } %t54, ptr %a64
-  %t65 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  store { ptr, i64, i64 } %t66, ptr %a68
-  store { ptr, i64, i64 } { ptr @.str.6443, i64 3, i64 0 }, ptr %a69
-  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
-  %t70 = load { ptr, i64, i64 }, ptr %a67
-  store { ptr, i64, i64 } %t70, ptr %a71
-  %t72 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t73 = load { ptr, i64, i64 }, ptr %t72
-  store { ptr, i64, i64 } %t73, ptr %a75
-  store { ptr, i64, i64 } { ptr @.str.6444, i64 2, i64 0 }, ptr %a76
-  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
-  %t77 = load { ptr, i64, i64 }, ptr %a74
-  store { ptr, i64, i64 } %t77, ptr %a78
-  %t79 = load { ptr, i64, i64 }, ptr %a71
-  store { ptr, i64, i64 } %t79, ptr %a80
-  %t81 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 1
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  store { ptr, i64, i64 } %t82, ptr %a83
-  %t84 = call i32 @finch_write_file(ptr %a80, ptr %a83)
-  %t85 = icmp ne i32 %t84, 0
-  store { ptr, i64, i64 } { ptr @.str.6445, i64 0, i64 0 }, ptr %a86
-  %t87 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
-  %t88 = load i1, ptr %t87
-  br i1 %t88, label %then9321, label %endif9323
-then9321:
-  %t89 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 0
-  %t90 = load { ptr, i64, i64 }, ptr %t89
-  store { ptr, i64, i64 } { ptr @.str.6446, i64 10, i64 0 }, ptr %a92
-  store { ptr, i64, i64 } %t90, ptr %a93
-  call void @finch_str_concat(ptr %a91, ptr %a92, ptr %a93)
-  %t94 = load { ptr, i64, i64 }, ptr %a91
-  store { ptr, i64, i64 } %t94, ptr %a86
-  br label %endif9323
-endif9323:
-  %t95 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+or.ok9824:
+  store { ptr, i64, i64 } %t60, ptr %a70
+  %t71 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  store { ptr, i64, i64 } %t72, ptr %a74
+  store { ptr, i64, i64 } { ptr @.str.6670, i64 3, i64 0 }, ptr %a75
+  call void @finch_str_concat(ptr %a73, ptr %a74, ptr %a75)
+  %t76 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t76, ptr %a77
+  %t78 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t79 = load { ptr, i64, i64 }, ptr %t78
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.6671, i64 2, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  %t83 = load { ptr, i64, i64 }, ptr %a80
+  store { ptr, i64, i64 } %t83, ptr %a84
+  %t85 = load { ptr, i64, i64 }, ptr %a77
+  %t86 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 1
+  %t87 = load { ptr, i64, i64 }, ptr %t86
+  store { ptr, i64, i64 } %t85, ptr %a88
+  store { ptr, i64, i64 } %t87, ptr %a89
+  %t90 = call i32 @finch_write_file(ptr %a88, ptr %a89)
+  %t91 = icmp ne i32 %t90, 0
+  store { ptr, i64, i64 } { ptr @.str.6672, i64 0, i64 0 }, ptr %a92
+  %t93 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 5
+  %t94 = load i1, ptr %t93
+  br i1 %t94, label %then9825, label %endif9827
+then9825:
+  %t95 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 0
   %t96 = load { ptr, i64, i64 }, ptr %t95
-  store { ptr, i64, i64 } %t96, ptr %a98
-  store { ptr, i64, i64 } { ptr @.str.6447, i64 4, i64 0 }, ptr %a99
+  store { ptr, i64, i64 } { ptr @.str.6673, i64 10, i64 0 }, ptr %a98
+  store { ptr, i64, i64 } %t96, ptr %a99
   call void @finch_str_concat(ptr %a97, ptr %a98, ptr %a99)
   %t100 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t100, ptr %a101
-  %t102 = load { ptr, i64, i64 }, ptr %a13
-  %t103 = load { ptr, i64, i64 }, ptr %a86
-  store { ptr, i64, i64 } %t102, ptr %a105
-  store { ptr, i64, i64 } %t103, ptr %a106
-  call void @finch_str_concat(ptr %a104, ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a104
-  store { ptr, i64, i64 } %t107, ptr %a109
-  store { ptr, i64, i64 } { ptr @.str.6448, i64 1, i64 0 }, ptr %a110
-  call void @finch_str_concat(ptr %a108, ptr %a109, ptr %a110)
-  %t111 = load { ptr, i64, i64 }, ptr %a108
-  %t112 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 3
-  %t113 = load { ptr, i64, i64 }, ptr %t112
-  store { ptr, i64, i64 } %t111, ptr %a115
-  store { ptr, i64, i64 } %t113, ptr %a116
-  call void @finch_str_concat(ptr %a114, ptr %a115, ptr %a116)
-  %t117 = load { ptr, i64, i64 }, ptr %a114
-  %t118 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 4
-  %t119 = load { ptr, i64, i64 }, ptr %t118
-  store { ptr, i64, i64 } %t117, ptr %a121
-  store { ptr, i64, i64 } %t119, ptr %a122
-  call void @finch_str_concat(ptr %a120, ptr %a121, ptr %a122)
-  %t123 = load { ptr, i64, i64 }, ptr %a120
-  store { ptr, i64, i64 } %t123, ptr %a125
-  store { ptr, i64, i64 } { ptr @.str.6449, i64 7, i64 0 }, ptr %a126
-  call void @finch_str_concat(ptr %a124, ptr %a125, ptr %a126)
-  %t127 = load { ptr, i64, i64 }, ptr %a124
-  %t128 = load { ptr, i64, i64 }, ptr %a71
-  %t129 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t128)
+  %t101 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t100, ptr %a92
+  store { ptr, i64, i64 } %t101, ptr %a102
+  call void @finch_str_drop(ptr %a102)
+  br label %endif9827
+endif9827:
+  %t103 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t104 = load { ptr, i64, i64 }, ptr %t103
+  store { ptr, i64, i64 } %t104, ptr %a106
+  store { ptr, i64, i64 } { ptr @.str.6674, i64 4, i64 0 }, ptr %a107
+  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
+  %t108 = load { ptr, i64, i64 }, ptr %a105
+  store { ptr, i64, i64 } %t108, ptr %a109
+  %t110 = load { ptr, i64, i64 }, ptr %a13
+  %t111 = load { ptr, i64, i64 }, ptr %a92
+  store { ptr, i64, i64 } %t110, ptr %a113
+  store { ptr, i64, i64 } %t111, ptr %a114
+  call void @finch_str_concat(ptr %a112, ptr %a113, ptr %a114)
+  %t115 = load { ptr, i64, i64 }, ptr %a112
+  store { ptr, i64, i64 } %t115, ptr %a117
+  store { ptr, i64, i64 } { ptr @.str.6675, i64 1, i64 0 }, ptr %a118
+  call void @finch_str_concat(ptr %a116, ptr %a117, ptr %a118)
+  store { ptr, i64, i64 } %t115, ptr %a119
+  call void @finch_str_drop(ptr %a119)
+  %t120 = load { ptr, i64, i64 }, ptr %a116
+  %t121 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 3
+  %t122 = load { ptr, i64, i64 }, ptr %t121
+  store { ptr, i64, i64 } %t120, ptr %a124
+  store { ptr, i64, i64 } %t122, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  store { ptr, i64, i64 } %t120, ptr %a126
+  call void @finch_str_drop(ptr %a126)
+  %t127 = load { ptr, i64, i64 }, ptr %a123
+  %t128 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 4
+  %t129 = load { ptr, i64, i64 }, ptr %t128
   store { ptr, i64, i64 } %t127, ptr %a131
   store { ptr, i64, i64 } %t129, ptr %a132
   call void @finch_str_concat(ptr %a130, ptr %a131, ptr %a132)
-  %t133 = load { ptr, i64, i64 }, ptr %a130
-  store { ptr, i64, i64 } %t133, ptr %a135
-  store { ptr, i64, i64 } { ptr @.str.6450, i64 4, i64 0 }, ptr %a136
-  call void @finch_str_concat(ptr %a134, ptr %a135, ptr %a136)
-  %t137 = load { ptr, i64, i64 }, ptr %a134
-  %t138 = load { ptr, i64, i64 }, ptr %a78
-  %t139 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t138)
-  store { ptr, i64, i64 } %t137, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  store { ptr, i64, i64 } %t143, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.6451, i64 3, i64 0 }, ptr %a146
-  call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = load { ptr, i64, i64 }, ptr %a101
-  %t149 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t148)
+  store { ptr, i64, i64 } %t127, ptr %a133
+  call void @finch_str_drop(ptr %a133)
+  %t134 = load { ptr, i64, i64 }, ptr %a130
+  store { ptr, i64, i64 } %t134, ptr %a136
+  store { ptr, i64, i64 } { ptr @.str.6676, i64 7, i64 0 }, ptr %a137
+  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
+  store { ptr, i64, i64 } %t134, ptr %a138
+  call void @finch_str_drop(ptr %a138)
+  %t139 = load { ptr, i64, i64 }, ptr %a135
+  %t140 = load { ptr, i64, i64 }, ptr %a77
+  %t141 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t140)
+  store { ptr, i64, i64 } %t139, ptr %a143
+  store { ptr, i64, i64 } %t141, ptr %a144
+  call void @finch_str_concat(ptr %a142, ptr %a143, ptr %a144)
+  store { ptr, i64, i64 } %t139, ptr %a145
+  call void @finch_str_drop(ptr %a145)
+  store { ptr, i64, i64 } %t141, ptr %a146
+  call void @finch_str_drop(ptr %a146)
+  %t147 = load { ptr, i64, i64 }, ptr %a142
+  store { ptr, i64, i64 } %t147, ptr %a149
+  store { ptr, i64, i64 } { ptr @.str.6677, i64 4, i64 0 }, ptr %a150
+  call void @finch_str_concat(ptr %a148, ptr %a149, ptr %a150)
   store { ptr, i64, i64 } %t147, ptr %a151
-  store { ptr, i64, i64 } %t149, ptr %a152
-  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
-  %t153 = load { ptr, i64, i64 }, ptr %a150
-  store { ptr, i64, i64 } %t153, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.6452, i64 5, i64 0 }, ptr %a156
-  call void @finch_str_concat(ptr %a154, ptr %a155, ptr %a156)
-  %t157 = load { ptr, i64, i64 }, ptr %a154
-  store { ptr, i64, i64 } %t157, ptr %a159
-  call void @finch_str_copy(ptr %a158, ptr %a159)
-  %t160 = call i64 @finch_shell(ptr %a158)
-  store i64 %t160, ptr %a161
-  %t162 = load { ptr, i64, i64 }, ptr %a71
-  %t163 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t162)
-  store { ptr, i64, i64 } { ptr @.str.6453, i64 6, i64 0 }, ptr %a165
-  store { ptr, i64, i64 } %t163, ptr %a166
-  call void @finch_str_concat(ptr %a164, ptr %a165, ptr %a166)
-  %t167 = load { ptr, i64, i64 }, ptr %a164
-  store { ptr, i64, i64 } %t167, ptr %a169
-  call void @finch_str_copy(ptr %a168, ptr %a169)
-  %t170 = call i64 @finch_shell(ptr %a168)
-  %t171 = load i64, ptr %a161
-  %t172 = icmp ne i64 %t171, 0
-  br i1 %t172, label %then9324, label %endif9326
-then9324:
-  %t173 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t173, ptr %a174
-  store { ptr, i64, i64 } zeroinitializer, ptr %a175
-  store { ptr, i64, i64 } zeroinitializer, ptr %a176
-  %t177 = call i32 @finch_try_read_file(ptr %a175, ptr %a174, ptr %a176)
-  %t178 = icmp eq i32 %t177, 0
-  %t179 = load { ptr, i64, i64 }, ptr %a176
-  %t180 = load { ptr, i64, i64 }, ptr %a175
-  br i1 %t178, label %or.failed9327, label %or.ok9328
-or.failed9327:
-  store { ptr, i64, i64 } %t179, ptr %a181
-  br label %or.bend9329
-or.bend9329:
-  br label %or.end9330
-or.ok9328:
-  br label %or.end9330
-or.end9330:
-  %t182 = phi { ptr, i64, i64 } [ { ptr @.str.6454, i64 0, i64 0 }, %or.bend9329 ], [ %t180, %or.ok9328 ]
-  %t183 = extractvalue { ptr, i64, i64 } %t182, 1
-  %t184 = trunc i64 %t183 to i32
-  %t185 = extractvalue { ptr, i64, i64 } %t182, 0
-  %t186 = icmp eq ptr %t185, null
-  %t187 = select i1 %t186, ptr @.str.6455, ptr %t185
-  %t188 = call i32 (ptr, ...) @printf(ptr @.str.6456, i32 %t184, ptr %t187)
-  %t189 = call i32 (ptr, ...) @printf(ptr @.str.6457)
-  %t190 = extractvalue { ptr, i64, i64 } { ptr @.str.6458, i64 46, i64 0 }, 1
-  %t191 = trunc i64 %t190 to i32
-  %t192 = extractvalue { ptr, i64, i64 } { ptr @.str.6458, i64 46, i64 0 }, 0
-  %t193 = icmp eq ptr %t192, null
-  %t194 = select i1 %t193, ptr @.str.6459, ptr %t192
-  %t195 = call i32 (ptr, ...) @printf(ptr @.str.6460, i32 %t191, ptr %t194)
-  %t196 = call i32 (ptr, ...) @printf(ptr @.str.6461)
-  %t197 = load { ptr, i64, i64 }, ptr %a78
-  %t198 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t197)
-  store { ptr, i64, i64 } { ptr @.str.6462, i64 6, i64 0 }, ptr %a200
-  store { ptr, i64, i64 } %t198, ptr %a201
-  call void @finch_str_concat(ptr %a199, ptr %a200, ptr %a201)
-  %t202 = load { ptr, i64, i64 }, ptr %a199
-  store { ptr, i64, i64 } %t202, ptr %a204
-  store { ptr, i64, i64 } { ptr @.str.6463, i64 1, i64 0 }, ptr %a205
-  call void @finch_str_concat(ptr %a203, ptr %a204, ptr %a205)
-  %t206 = load { ptr, i64, i64 }, ptr %a203
-  %t207 = load { ptr, i64, i64 }, ptr %a101
-  %t208 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t207)
-  store { ptr, i64, i64 } %t206, ptr %a210
-  store { ptr, i64, i64 } %t208, ptr %a211
-  call void @finch_str_concat(ptr %a209, ptr %a210, ptr %a211)
-  %t212 = load { ptr, i64, i64 }, ptr %a209
-  store { ptr, i64, i64 } %t212, ptr %a214
-  call void @finch_str_copy(ptr %a213, ptr %a214)
-  %t215 = call i64 @finch_shell(ptr %a213)
+  call void @finch_str_drop(ptr %a151)
+  %t152 = load { ptr, i64, i64 }, ptr %a148
+  %t153 = load { ptr, i64, i64 }, ptr %a84
+  %t154 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t153)
+  store { ptr, i64, i64 } %t152, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  store { ptr, i64, i64 } %t152, ptr %a158
+  call void @finch_str_drop(ptr %a158)
+  store { ptr, i64, i64 } %t154, ptr %a159
+  call void @finch_str_drop(ptr %a159)
+  %t160 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t160, ptr %a162
+  store { ptr, i64, i64 } { ptr @.str.6678, i64 3, i64 0 }, ptr %a163
+  call void @finch_str_concat(ptr %a161, ptr %a162, ptr %a163)
+  store { ptr, i64, i64 } %t160, ptr %a164
+  call void @finch_str_drop(ptr %a164)
+  %t165 = load { ptr, i64, i64 }, ptr %a161
+  %t166 = load { ptr, i64, i64 }, ptr %a109
+  %t167 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t166)
+  store { ptr, i64, i64 } %t165, ptr %a169
+  store { ptr, i64, i64 } %t167, ptr %a170
+  call void @finch_str_concat(ptr %a168, ptr %a169, ptr %a170)
+  store { ptr, i64, i64 } %t165, ptr %a171
+  call void @finch_str_drop(ptr %a171)
+  store { ptr, i64, i64 } %t167, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  %t173 = load { ptr, i64, i64 }, ptr %a168
+  store { ptr, i64, i64 } %t173, ptr %a175
+  store { ptr, i64, i64 } { ptr @.str.6679, i64 5, i64 0 }, ptr %a176
+  call void @finch_str_concat(ptr %a174, ptr %a175, ptr %a176)
+  store { ptr, i64, i64 } %t173, ptr %a177
+  call void @finch_str_drop(ptr %a177)
+  %t178 = load { ptr, i64, i64 }, ptr %a174
+  %t179 = call i64 @finch.host.run({ ptr, i64, i64 } %t178)
+  store { ptr, i64, i64 } %t178, ptr %a180
+  call void @finch_str_drop(ptr %a180)
+  store i64 %t179, ptr %a181
+  %t182 = load { ptr, i64, i64 }, ptr %a77
+  call void @finch.host.remove({ ptr, i64, i64 } %t182)
+  %t183 = load i64, ptr %a181
+  %t184 = icmp ne i64 %t183, 0
+  br i1 %t184, label %then9828, label %endif9830
+then9828:
+  %t185 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t185, ptr %a186
+  store { ptr, i64, i64 } zeroinitializer, ptr %a187
+  store { ptr, i64, i64 } zeroinitializer, ptr %a188
+  %t189 = call i32 @finch_try_read_file(ptr %a187, ptr %a186, ptr %a188)
+  %t190 = icmp eq i32 %t189, 0
+  %t191 = load { ptr, i64, i64 }, ptr %a188
+  %t192 = load { ptr, i64, i64 }, ptr %a187
+  br i1 %t190, label %or.failed9831, label %or.ok9832
+or.failed9831:
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  br label %or.bend9833
+or.bend9833:
+  br label %or.end9834
+or.ok9832:
+  br label %or.end9834
+or.end9834:
+  %t194 = phi { ptr, i64, i64 } [ { ptr @.str.6680, i64 0, i64 0 }, %or.bend9833 ], [ %t192, %or.ok9832 ]
+  %t195 = extractvalue { ptr, i64, i64 } %t194, 1
+  %t196 = trunc i64 %t195 to i32
+  %t197 = extractvalue { ptr, i64, i64 } %t194, 0
+  %t198 = icmp eq ptr %t197, null
+  %t199 = select i1 %t198, ptr @.str.6681, ptr %t197
+  %t200 = call i32 (ptr, ...) @printf(ptr @.str.6682, i32 %t196, ptr %t199)
+  store { ptr, i64, i64 } %t194, ptr %a201
+  call void @finch_str_drop(ptr %a201)
+  %t202 = call i32 (ptr, ...) @printf(ptr @.str.6683)
+  %t203 = extractvalue { ptr, i64, i64 } { ptr @.str.6684, i64 46, i64 0 }, 1
+  %t204 = trunc i64 %t203 to i32
+  %t205 = extractvalue { ptr, i64, i64 } { ptr @.str.6684, i64 46, i64 0 }, 0
+  %t206 = icmp eq ptr %t205, null
+  %t207 = select i1 %t206, ptr @.str.6685, ptr %t205
+  %t208 = call i32 (ptr, ...) @printf(ptr @.str.6686, i32 %t204, ptr %t207)
+  %t209 = call i32 (ptr, ...) @printf(ptr @.str.6687)
+  %t210 = load { ptr, i64, i64 }, ptr %a84
+  call void @finch.host.remove({ ptr, i64, i64 } %t210)
+  %t211 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch.host.remove({ ptr, i64, i64 } %t211)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-endif9326:
-  %t216 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } %t216, ptr %a218
-  store { ptr, i64, i64 } { ptr @.str.6464, i64 1, i64 0 }, ptr %a219
-  call void @finch_str_concat(ptr %a217, ptr %a218, ptr %a219)
-  %t220 = load { ptr, i64, i64 }, ptr %a217
-  %t221 = load { ptr, i64, i64 }, ptr %a78
-  %t222 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t221)
-  store { ptr, i64, i64 } %t220, ptr %a224
-  store { ptr, i64, i64 } %t222, ptr %a225
-  call void @finch_str_concat(ptr %a223, ptr %a224, ptr %a225)
-  %t226 = load { ptr, i64, i64 }, ptr %a223
-  store { ptr, i64, i64 } %t226, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.6465, i64 1, i64 0 }, ptr %a229
-  call void @finch_str_concat(ptr %a227, ptr %a228, ptr %a229)
-  %t230 = load { ptr, i64, i64 }, ptr %a227
-  %t231 = load { ptr, i64, i64 }, ptr %a64
-  %t232 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t231)
-  store { ptr, i64, i64 } %t230, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  store { ptr, i64, i64 } %t236, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.6466, i64 4, i64 0 }, ptr %a239
-  call void @finch_str_concat(ptr %a237, ptr %a238, ptr %a239)
-  %t240 = load { ptr, i64, i64 }, ptr %a237
-  %t241 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t242 = load { ptr, i64, i64 }, ptr %t241
-  %t243 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t242)
-  store { ptr, i64, i64 } %t240, ptr %a245
-  store { ptr, i64, i64 } %t243, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  store { ptr, i64, i64 } %t247, ptr %a248
-  %t249 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 2
-  %t250 = load i1, ptr %t249
-  %t251 = xor i1 %t250, true
-  br i1 %t251, label %then9331, label %endif9333
-then9331:
-  %t252 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t252, ptr %a254
-  store { ptr, i64, i64 } { ptr @.str.6467, i64 4, i64 0 }, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a248
-  br label %endif9333
-endif9333:
-  %t257 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 5
-  %t258 = load i1, ptr %t257
-  br i1 %t258, label %then9334, label %endif9336
-then9334:
-  %t259 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 3
-  %t260 = load i1, ptr %t259
-  br i1 %t260, label %then9337, label %else9338
-then9337:
-  %t261 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t261, ptr %a263
-  store { ptr, i64, i64 } { ptr @.str.6468, i64 12, i64 0 }, ptr %a264
-  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
-  %t265 = load { ptr, i64, i64 }, ptr %a262
-  store { ptr, i64, i64 } %t265, ptr %a248
-  br label %endif9339
-else9338:
-  %t266 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t266, ptr %a268
-  store { ptr, i64, i64 } { ptr @.str.6469, i64 8, i64 0 }, ptr %a269
-  call void @finch_str_concat(ptr %a267, ptr %a268, ptr %a269)
-  %t270 = load { ptr, i64, i64 }, ptr %a267
-  store { ptr, i64, i64 } %t270, ptr %a248
-  br label %endif9339
-endif9339:
-  br label %endif9336
-endif9336:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a271
-  %t272 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 6
-  store i64 0, ptr %a273
-  br label %each.cond9340
-each.cond9340:
-  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t272, i32 0, i32 1
-  %t275 = load i64, ptr %t274
-  %t276 = load i64, ptr %a273
-  %t277 = icmp slt i64 %t276, %t275
-  br i1 %t277, label %each.body9341, label %each.end9343
-each.body9341:
-  %t278 = load ptr, ptr %t272
-  %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t278, i64 %t276
-  %t280 = load { ptr, i64, i64 }, ptr %t279
-  store { ptr, i64, i64 } %t280, ptr %a281
-  %t282 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t282, ptr %a283
-  store { ptr, i64, i64 } { ptr @.str.6471, i64 2, i64 0 }, ptr %a285
-  %t286 = call i32 @finch_str_ends(ptr %a283, ptr %a285)
-  %t287 = icmp ne i32 %t286, 0
-  br i1 %t287, label %then9344, label %else9345
-then9344:
-  %t288 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
-  %t289 = load { ptr, i64, i64 }, ptr %t288
-  store { ptr, i64, i64 } %t289, ptr %a291
-  store { ptr, i64, i64 } { ptr @.str.6472, i64 1, i64 0 }, ptr %a292
-  call void @finch_str_concat(ptr %a290, ptr %a291, ptr %a292)
-  %t293 = load { ptr, i64, i64 }, ptr %a290
-  %t294 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t295 = load i64, ptr %t294
-  call void @finch_str_from_int(ptr %a296, i64 %t295)
-  %t297 = load { ptr, i64, i64 }, ptr %a296
-  store { ptr, i64, i64 } %t293, ptr %a299
-  store { ptr, i64, i64 } %t297, ptr %a300
-  call void @finch_str_concat(ptr %a298, ptr %a299, ptr %a300)
-  %t301 = load { ptr, i64, i64 }, ptr %a298
-  store { ptr, i64, i64 } %t301, ptr %a303
-  store { ptr, i64, i64 } { ptr @.str.6473, i64 2, i64 0 }, ptr %a304
-  call void @finch_str_concat(ptr %a302, ptr %a303, ptr %a304)
-  %t305 = load { ptr, i64, i64 }, ptr %a302
-  store { ptr, i64, i64 } %t305, ptr %a306
-  store { ptr, i64, i64 } { ptr @.str.6474, i64 6, i64 0 }, ptr %a307
-  %t308 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
-  %t309 = load i1, ptr %t308
-  br i1 %t309, label %then9347, label %endif9349
-then9347:
-  store { ptr, i64, i64 } { ptr @.str.6475, i64 0, i64 0 }, ptr %a307
-  br label %endif9349
-endif9349:
-  %t310 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } %t310, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.6476, i64 4, i64 0 }, ptr %a313
-  call void @finch_str_concat(ptr %a311, ptr %a312, ptr %a313)
-  %t314 = load { ptr, i64, i64 }, ptr %a311
-  %t315 = load { ptr, i64, i64 }, ptr %a307
-  store { ptr, i64, i64 } %t314, ptr %a317
-  store { ptr, i64, i64 } %t315, ptr %a318
-  call void @finch_str_concat(ptr %a316, ptr %a317, ptr %a318)
-  %t319 = load { ptr, i64, i64 }, ptr %a316
-  store { ptr, i64, i64 } %t319, ptr %a321
-  store { ptr, i64, i64 } { ptr @.str.6477, i64 4, i64 0 }, ptr %a322
-  call void @finch_str_concat(ptr %a320, ptr %a321, ptr %a322)
+endif9830:
+  %t212 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t212, ptr %a214
+  store { ptr, i64, i64 } { ptr @.str.6688, i64 1, i64 0 }, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a213
+  %t217 = load { ptr, i64, i64 }, ptr %a84
+  %t218 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t217)
+  store { ptr, i64, i64 } %t216, ptr %a220
+  store { ptr, i64, i64 } %t218, ptr %a221
+  call void @finch_str_concat(ptr %a219, ptr %a220, ptr %a221)
+  store { ptr, i64, i64 } %t216, ptr %a222
+  call void @finch_str_drop(ptr %a222)
+  store { ptr, i64, i64 } %t218, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  %t224 = load { ptr, i64, i64 }, ptr %a219
+  store { ptr, i64, i64 } %t224, ptr %a226
+  store { ptr, i64, i64 } { ptr @.str.6689, i64 1, i64 0 }, ptr %a227
+  call void @finch_str_concat(ptr %a225, ptr %a226, ptr %a227)
+  store { ptr, i64, i64 } %t224, ptr %a228
+  call void @finch_str_drop(ptr %a228)
+  %t229 = load { ptr, i64, i64 }, ptr %a225
+  %t230 = load { ptr, i64, i64 }, ptr %a70
+  %t231 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t230)
+  store { ptr, i64, i64 } %t229, ptr %a233
+  store { ptr, i64, i64 } %t231, ptr %a234
+  call void @finch_str_concat(ptr %a232, ptr %a233, ptr %a234)
+  store { ptr, i64, i64 } %t229, ptr %a235
+  call void @finch_str_drop(ptr %a235)
+  store { ptr, i64, i64 } %t231, ptr %a236
+  call void @finch_str_drop(ptr %a236)
+  %t237 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } %t237, ptr %a239
+  store { ptr, i64, i64 } { ptr @.str.6690, i64 4, i64 0 }, ptr %a240
+  call void @finch_str_concat(ptr %a238, ptr %a239, ptr %a240)
+  store { ptr, i64, i64 } %t237, ptr %a241
+  call void @finch_str_drop(ptr %a241)
+  %t242 = load { ptr, i64, i64 }, ptr %a238
+  %t243 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t244 = load { ptr, i64, i64 }, ptr %t243
+  %t245 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t244)
+  store { ptr, i64, i64 } %t242, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t242, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  store { ptr, i64, i64 } %t245, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t251, ptr %a252
+  %t253 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 2
+  %t254 = load i1, ptr %t253
+  %t255 = xor i1 %t254, true
+  br i1 %t255, label %then9835, label %endif9837
+then9835:
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t256, ptr %a258
+  store { ptr, i64, i64 } { ptr @.str.6691, i64 4, i64 0 }, ptr %a259
+  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
+  %t260 = load { ptr, i64, i64 }, ptr %a257
+  %t261 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t260, ptr %a252
+  store { ptr, i64, i64 } %t261, ptr %a262
+  call void @finch_str_drop(ptr %a262)
+  br label %endif9837
+endif9837:
+  %t263 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 5
+  %t264 = load i1, ptr %t263
+  br i1 %t264, label %then9838, label %endif9840
+then9838:
+  %t265 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 3
+  %t266 = load i1, ptr %t265
+  br i1 %t266, label %then9841, label %else9842
+then9841:
+  %t267 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t267, ptr %a269
+  store { ptr, i64, i64 } { ptr @.str.6692, i64 12, i64 0 }, ptr %a270
+  call void @finch_str_concat(ptr %a268, ptr %a269, ptr %a270)
+  %t271 = load { ptr, i64, i64 }, ptr %a268
+  %t272 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t271, ptr %a252
+  store { ptr, i64, i64 } %t272, ptr %a273
+  call void @finch_str_drop(ptr %a273)
+  br label %endif9843
+else9842:
+  %t274 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t274, ptr %a276
+  store { ptr, i64, i64 } { ptr @.str.6693, i64 8, i64 0 }, ptr %a277
+  call void @finch_str_concat(ptr %a275, ptr %a276, ptr %a277)
+  %t278 = load { ptr, i64, i64 }, ptr %a275
+  %t279 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t278, ptr %a252
+  store { ptr, i64, i64 } %t279, ptr %a280
+  call void @finch_str_drop(ptr %a280)
+  br label %endif9843
+endif9843:
+  br label %endif9840
+endif9840:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a281
+  %t282 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 6
+  store i64 0, ptr %a283
+  br label %each.cond9844
+each.cond9844:
+  %t284 = getelementptr inbounds { ptr, i64, i64 }, ptr %t282, i32 0, i32 1
+  %t285 = load i64, ptr %t284
+  %t286 = load i64, ptr %a283
+  %t287 = icmp slt i64 %t286, %t285
+  br i1 %t287, label %each.body9845, label %each.end9847
+each.body9845:
+  %t288 = load ptr, ptr %t282
+  %t289 = getelementptr inbounds { ptr, i64, i64 }, ptr %t288, i64 %t286
+  %t290 = load { ptr, i64, i64 }, ptr %t289
+  store { ptr, i64, i64 } %t290, ptr %a291
+  %t292 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } %t292, ptr %a293
+  store { ptr, i64, i64 } { ptr @.str.6695, i64 2, i64 0 }, ptr %a295
+  %t296 = call i32 @finch_str_ends(ptr %a293, ptr %a295)
+  %t297 = icmp ne i32 %t296, 0
+  br i1 %t297, label %then9848, label %else9849
+then9848:
+  %t298 = getelementptr inbounds %S.linker.Build, ptr %a1, i32 0, i32 0
+  %t299 = load { ptr, i64, i64 }, ptr %t298
+  store { ptr, i64, i64 } %t299, ptr %a301
+  store { ptr, i64, i64 } { ptr @.str.6696, i64 1, i64 0 }, ptr %a302
+  call void @finch_str_concat(ptr %a300, ptr %a301, ptr %a302)
+  %t303 = load { ptr, i64, i64 }, ptr %a300
+  %t304 = getelementptr inbounds { ptr, i64, i64 }, ptr %a281, i32 0, i32 1
+  %t305 = load i64, ptr %t304
+  call void @finch_str_from_int(ptr %a306, i64 %t305)
+  %t307 = load { ptr, i64, i64 }, ptr %a306
+  store { ptr, i64, i64 } %t303, ptr %a309
+  store { ptr, i64, i64 } %t307, ptr %a310
+  call void @finch_str_concat(ptr %a308, ptr %a309, ptr %a310)
+  store { ptr, i64, i64 } %t303, ptr %a311
+  call void @finch_str_drop(ptr %a311)
+  store { ptr, i64, i64 } %t307, ptr %a312
+  call void @finch_str_drop(ptr %a312)
+  %t313 = load { ptr, i64, i64 }, ptr %a308
+  store { ptr, i64, i64 } %t313, ptr %a315
+  store { ptr, i64, i64 } { ptr @.str.6697, i64 2, i64 0 }, ptr %a316
+  call void @finch_str_concat(ptr %a314, ptr %a315, ptr %a316)
+  store { ptr, i64, i64 } %t313, ptr %a317
+  call void @finch_str_drop(ptr %a317)
+  %t318 = load { ptr, i64, i64 }, ptr %a314
+  store { ptr, i64, i64 } %t318, ptr %a319
+  store { ptr, i64, i64 } { ptr @.str.6698, i64 6, i64 0 }, ptr %a320
+  %t321 = getelementptr inbounds %S.platform.Target, ptr %a2, i32 0, i32 1
+  %t322 = load i1, ptr %t321
+  br i1 %t322, label %then9851, label %endif9853
+then9851:
   %t323 = load { ptr, i64, i64 }, ptr %a320
-  %t324 = load { ptr, i64, i64 }, ptr %a281
-  %t325 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t324)
-  store { ptr, i64, i64 } %t323, ptr %a327
-  store { ptr, i64, i64 } %t325, ptr %a328
+  store { ptr, i64, i64 } { ptr @.str.6699, i64 0, i64 0 }, ptr %a320
+  store { ptr, i64, i64 } %t323, ptr %a324
+  call void @finch_str_drop(ptr %a324)
+  br label %endif9853
+endif9853:
+  %t325 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } %t325, ptr %a327
+  store { ptr, i64, i64 } { ptr @.str.6700, i64 4, i64 0 }, ptr %a328
   call void @finch_str_concat(ptr %a326, ptr %a327, ptr %a328)
   %t329 = load { ptr, i64, i64 }, ptr %a326
-  store { ptr, i64, i64 } %t329, ptr %a331
-  store { ptr, i64, i64 } { ptr @.str.6478, i64 4, i64 0 }, ptr %a332
-  call void @finch_str_concat(ptr %a330, ptr %a331, ptr %a332)
-  %t333 = load { ptr, i64, i64 }, ptr %a330
-  %t334 = load { ptr, i64, i64 }, ptr %a306
-  %t335 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t334)
-  store { ptr, i64, i64 } %t333, ptr %a337
-  store { ptr, i64, i64 } %t335, ptr %a338
+  %t330 = load { ptr, i64, i64 }, ptr %a320
+  store { ptr, i64, i64 } %t329, ptr %a332
+  store { ptr, i64, i64 } %t330, ptr %a333
+  call void @finch_str_concat(ptr %a331, ptr %a332, ptr %a333)
+  store { ptr, i64, i64 } %t329, ptr %a334
+  call void @finch_str_drop(ptr %a334)
+  %t335 = load { ptr, i64, i64 }, ptr %a331
+  store { ptr, i64, i64 } %t335, ptr %a337
+  store { ptr, i64, i64 } { ptr @.str.6701, i64 4, i64 0 }, ptr %a338
   call void @finch_str_concat(ptr %a336, ptr %a337, ptr %a338)
-  %t339 = load { ptr, i64, i64 }, ptr %a336
-  store { ptr, i64, i64 } %t339, ptr %a341
-  store { ptr, i64, i64 } { ptr @.str.6479, i64 3, i64 0 }, ptr %a342
-  call void @finch_str_concat(ptr %a340, ptr %a341, ptr %a342)
-  %t343 = load { ptr, i64, i64 }, ptr %a340
-  %t344 = load { ptr, i64, i64 }, ptr %a101
-  %t345 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t344)
-  store { ptr, i64, i64 } %t343, ptr %a347
-  store { ptr, i64, i64 } %t345, ptr %a348
-  call void @finch_str_concat(ptr %a346, ptr %a347, ptr %a348)
-  %t349 = load { ptr, i64, i64 }, ptr %a346
-  store { ptr, i64, i64 } %t349, ptr %a351
-  store { ptr, i64, i64 } { ptr @.str.6480, i64 5, i64 0 }, ptr %a352
-  call void @finch_str_concat(ptr %a350, ptr %a351, ptr %a352)
-  %t353 = load { ptr, i64, i64 }, ptr %a350
-  store { ptr, i64, i64 } %t353, ptr %a355
-  call void @finch_str_copy(ptr %a354, ptr %a355)
-  %t356 = call i64 @finch_shell(ptr %a354)
-  store i64 %t356, ptr %a357
-  %t358 = load i64, ptr %a357
-  %t359 = icmp ne i64 %t358, 0
-  br i1 %t359, label %then9350, label %endif9352
-then9350:
-  %t360 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t360, ptr %a361
-  store { ptr, i64, i64 } zeroinitializer, ptr %a362
-  store { ptr, i64, i64 } zeroinitializer, ptr %a363
-  %t364 = call i32 @finch_try_read_file(ptr %a362, ptr %a361, ptr %a363)
-  %t365 = icmp eq i32 %t364, 0
-  %t366 = load { ptr, i64, i64 }, ptr %a363
-  %t367 = load { ptr, i64, i64 }, ptr %a362
-  br i1 %t365, label %or.failed9353, label %or.ok9354
-or.failed9353:
-  store { ptr, i64, i64 } %t366, ptr %a368
-  br label %or.bend9355
-or.bend9355:
-  br label %or.end9356
-or.ok9354:
-  br label %or.end9356
-or.end9356:
-  %t369 = phi { ptr, i64, i64 } [ { ptr @.str.6481, i64 0, i64 0 }, %or.bend9355 ], [ %t367, %or.ok9354 ]
-  store { ptr, i64, i64 } %t369, ptr %a371
-  store { ptr, i64, i64 } { ptr @.str.6482, i64 24, i64 0 }, ptr %a372
-  call void @finch_str_concat(ptr %a370, ptr %a371, ptr %a372)
-  %t373 = load { ptr, i64, i64 }, ptr %a370
-  %t374 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t373, ptr %a376
-  store { ptr, i64, i64 } %t374, ptr %a377
+  store { ptr, i64, i64 } %t335, ptr %a339
+  call void @finch_str_drop(ptr %a339)
+  %t340 = load { ptr, i64, i64 }, ptr %a336
+  %t341 = load { ptr, i64, i64 }, ptr %a291
+  %t342 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t341)
+  store { ptr, i64, i64 } %t340, ptr %a344
+  store { ptr, i64, i64 } %t342, ptr %a345
+  call void @finch_str_concat(ptr %a343, ptr %a344, ptr %a345)
+  store { ptr, i64, i64 } %t340, ptr %a346
+  call void @finch_str_drop(ptr %a346)
+  store { ptr, i64, i64 } %t342, ptr %a347
+  call void @finch_str_drop(ptr %a347)
+  %t348 = load { ptr, i64, i64 }, ptr %a343
+  store { ptr, i64, i64 } %t348, ptr %a350
+  store { ptr, i64, i64 } { ptr @.str.6702, i64 4, i64 0 }, ptr %a351
+  call void @finch_str_concat(ptr %a349, ptr %a350, ptr %a351)
+  store { ptr, i64, i64 } %t348, ptr %a352
+  call void @finch_str_drop(ptr %a352)
+  %t353 = load { ptr, i64, i64 }, ptr %a349
+  %t354 = load { ptr, i64, i64 }, ptr %a319
+  %t355 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t354)
+  store { ptr, i64, i64 } %t353, ptr %a357
+  store { ptr, i64, i64 } %t355, ptr %a358
+  call void @finch_str_concat(ptr %a356, ptr %a357, ptr %a358)
+  store { ptr, i64, i64 } %t353, ptr %a359
+  call void @finch_str_drop(ptr %a359)
+  store { ptr, i64, i64 } %t355, ptr %a360
+  call void @finch_str_drop(ptr %a360)
+  %t361 = load { ptr, i64, i64 }, ptr %a356
+  store { ptr, i64, i64 } %t361, ptr %a363
+  store { ptr, i64, i64 } { ptr @.str.6703, i64 3, i64 0 }, ptr %a364
+  call void @finch_str_concat(ptr %a362, ptr %a363, ptr %a364)
+  store { ptr, i64, i64 } %t361, ptr %a365
+  call void @finch_str_drop(ptr %a365)
+  %t366 = load { ptr, i64, i64 }, ptr %a362
+  %t367 = load { ptr, i64, i64 }, ptr %a109
+  %t368 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t367)
+  store { ptr, i64, i64 } %t366, ptr %a370
+  store { ptr, i64, i64 } %t368, ptr %a371
+  call void @finch_str_concat(ptr %a369, ptr %a370, ptr %a371)
+  store { ptr, i64, i64 } %t366, ptr %a372
+  call void @finch_str_drop(ptr %a372)
+  store { ptr, i64, i64 } %t368, ptr %a373
+  call void @finch_str_drop(ptr %a373)
+  %t374 = load { ptr, i64, i64 }, ptr %a369
+  store { ptr, i64, i64 } %t374, ptr %a376
+  store { ptr, i64, i64 } { ptr @.str.6704, i64 5, i64 0 }, ptr %a377
   call void @finch_str_concat(ptr %a375, ptr %a376, ptr %a377)
-  %t378 = load { ptr, i64, i64 }, ptr %a375
-  %t379 = extractvalue { ptr, i64, i64 } %t378, 1
-  %t380 = trunc i64 %t379 to i32
-  %t381 = extractvalue { ptr, i64, i64 } %t378, 0
-  %t382 = icmp eq ptr %t381, null
-  %t383 = select i1 %t382, ptr @.str.6483, ptr %t381
-  %t384 = call i32 (ptr, ...) @printf(ptr @.str.6484, i32 %t380, ptr %t383)
-  %t385 = call i32 (ptr, ...) @printf(ptr @.str.6485)
-  %t386 = load { ptr, i64, i64 }, ptr %a78
-  %t387 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t386)
-  store { ptr, i64, i64 } { ptr @.str.6486, i64 6, i64 0 }, ptr %a389
-  store { ptr, i64, i64 } %t387, ptr %a390
-  call void @finch_str_concat(ptr %a388, ptr %a389, ptr %a390)
+  store { ptr, i64, i64 } %t374, ptr %a378
+  call void @finch_str_drop(ptr %a378)
+  %t379 = load { ptr, i64, i64 }, ptr %a375
+  %t380 = call i64 @finch.host.run({ ptr, i64, i64 } %t379)
+  store { ptr, i64, i64 } %t379, ptr %a381
+  call void @finch_str_drop(ptr %a381)
+  store i64 %t380, ptr %a382
+  %t383 = load i64, ptr %a382
+  %t384 = icmp ne i64 %t383, 0
+  br i1 %t384, label %then9854, label %endif9856
+then9854:
+  %t385 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t385, ptr %a386
+  store { ptr, i64, i64 } zeroinitializer, ptr %a387
+  store { ptr, i64, i64 } zeroinitializer, ptr %a388
+  %t389 = call i32 @finch_try_read_file(ptr %a387, ptr %a386, ptr %a388)
+  %t390 = icmp eq i32 %t389, 0
   %t391 = load { ptr, i64, i64 }, ptr %a388
+  %t392 = load { ptr, i64, i64 }, ptr %a387
+  br i1 %t390, label %or.failed9857, label %or.ok9858
+or.failed9857:
   store { ptr, i64, i64 } %t391, ptr %a393
-  store { ptr, i64, i64 } { ptr @.str.6487, i64 1, i64 0 }, ptr %a394
-  call void @finch_str_concat(ptr %a392, ptr %a393, ptr %a394)
-  %t395 = load { ptr, i64, i64 }, ptr %a392
-  %t396 = load { ptr, i64, i64 }, ptr %a101
-  %t397 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t396)
-  store { ptr, i64, i64 } %t395, ptr %a399
-  store { ptr, i64, i64 } %t397, ptr %a400
-  call void @finch_str_concat(ptr %a398, ptr %a399, ptr %a400)
-  %t401 = load { ptr, i64, i64 }, ptr %a398
-  store { ptr, i64, i64 } %t401, ptr %a403
-  store { ptr, i64, i64 } { ptr @.str.6488, i64 1, i64 0 }, ptr %a404
-  call void @finch_str_concat(ptr %a402, ptr %a403, ptr %a404)
-  %t405 = load { ptr, i64, i64 }, ptr %a402
-  %t406 = load { ptr, i64, i64 }, ptr %a306
-  %t407 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t406)
-  store { ptr, i64, i64 } %t405, ptr %a409
-  store { ptr, i64, i64 } %t407, ptr %a410
-  call void @finch_str_concat(ptr %a408, ptr %a409, ptr %a410)
-  %t411 = load { ptr, i64, i64 }, ptr %a408
-  store { ptr, i64, i64 } %t411, ptr %a413
-  call void @finch_str_copy(ptr %a412, ptr %a413)
-  %t414 = call i64 @finch_shell(ptr %a412)
+  call void @finch_str_drop(ptr %a393)
+  br label %or.bend9859
+or.bend9859:
+  br label %or.end9860
+or.ok9858:
+  br label %or.end9860
+or.end9860:
+  %t394 = phi { ptr, i64, i64 } [ { ptr @.str.6705, i64 0, i64 0 }, %or.bend9859 ], [ %t392, %or.ok9858 ]
+  store { ptr, i64, i64 } %t394, ptr %a396
+  store { ptr, i64, i64 } { ptr @.str.6706, i64 24, i64 0 }, ptr %a397
+  call void @finch_str_concat(ptr %a395, ptr %a396, ptr %a397)
+  store { ptr, i64, i64 } %t394, ptr %a398
+  call void @finch_str_drop(ptr %a398)
+  %t399 = load { ptr, i64, i64 }, ptr %a395
+  %t400 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } %t399, ptr %a402
+  store { ptr, i64, i64 } %t400, ptr %a403
+  call void @finch_str_concat(ptr %a401, ptr %a402, ptr %a403)
+  store { ptr, i64, i64 } %t399, ptr %a404
+  call void @finch_str_drop(ptr %a404)
+  %t405 = load { ptr, i64, i64 }, ptr %a401
+  %t406 = extractvalue { ptr, i64, i64 } %t405, 1
+  %t407 = trunc i64 %t406 to i32
+  %t408 = extractvalue { ptr, i64, i64 } %t405, 0
+  %t409 = icmp eq ptr %t408, null
+  %t410 = select i1 %t409, ptr @.str.6707, ptr %t408
+  %t411 = call i32 (ptr, ...) @printf(ptr @.str.6708, i32 %t407, ptr %t410)
+  store { ptr, i64, i64 } %t405, ptr %a412
+  call void @finch_str_drop(ptr %a412)
+  %t413 = call i32 (ptr, ...) @printf(ptr @.str.6709)
+  %t414 = load { ptr, i64, i64 }, ptr %a84
+  call void @finch.host.remove({ ptr, i64, i64 } %t414)
+  %t415 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch.host.remove({ ptr, i64, i64 } %t415)
+  %t416 = load { ptr, i64, i64 }, ptr %a319
+  call void @finch.host.remove({ ptr, i64, i64 } %t416)
+  call void @finch_str_drop(ptr %a320)
+  call void @finch_str_drop(ptr %a319)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-endif9352:
-  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t416 = load { ptr, i64, i64 }, ptr %a306
-  store { ptr, i64, i64 } %t416, ptr %a417
-  call void @finch_str_copy(ptr %a418, ptr %a417)
-  %t419 = load { ptr, i64, i64 }, ptr %a418
-  %t420 = load i64, ptr %t415
-  %t421 = add i64 %t420, 1
-  call void @finch_arr_reserve(ptr %a271, i64 %t421, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t422 = load ptr, ptr %a271
-  %t423 = getelementptr inbounds { ptr, i64, i64 }, ptr %t422, i64 %t420
-  store { ptr, i64, i64 } %t419, ptr %t423
-  store i64 %t421, ptr %t415
-  %t424 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t424, ptr %a426
-  store { ptr, i64, i64 } { ptr @.str.6489, i64 1, i64 0 }, ptr %a427
-  call void @finch_str_concat(ptr %a425, ptr %a426, ptr %a427)
-  %t428 = load { ptr, i64, i64 }, ptr %a425
-  %t429 = load { ptr, i64, i64 }, ptr %a306
-  %t430 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t429)
-  store { ptr, i64, i64 } %t428, ptr %a432
-  store { ptr, i64, i64 } %t430, ptr %a433
-  call void @finch_str_concat(ptr %a431, ptr %a432, ptr %a433)
-  %t434 = load { ptr, i64, i64 }, ptr %a431
-  store { ptr, i64, i64 } %t434, ptr %a248
-  br label %endif9346
-else9345:
-  %t435 = load { ptr, i64, i64 }, ptr %a281
-  store { ptr, i64, i64 } %t435, ptr %a436
-  store { ptr, i64, i64 } { ptr @.str.6491, i64 2, i64 0 }, ptr %a438
-  %t439 = call i32 @finch_str_ends(ptr %a436, ptr %a438)
-  %t440 = icmp ne i32 %t439, 0
-  br label %logic.from9357
-logic.from9357:
-  br i1 %t440, label %logic.end9359, label %logic.rhs9358
-logic.rhs9358:
-  %t441 = load { ptr, i64, i64 }, ptr %a281
+endif9856:
+  %t417 = getelementptr inbounds { ptr, i64, i64 }, ptr %a281, i32 0, i32 1
+  %t418 = load { ptr, i64, i64 }, ptr %a319
+  store { ptr, i64, i64 } %t418, ptr %a419
+  call void @finch_str_copy(ptr %a420, ptr %a419)
+  %t421 = load { ptr, i64, i64 }, ptr %a420
+  %t422 = load i64, ptr %t417
+  %t423 = add i64 %t422, 1
+  call void @finch_arr_reserve(ptr %a281, i64 %t423, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t424 = load ptr, ptr %a281
+  %t425 = getelementptr inbounds { ptr, i64, i64 }, ptr %t424, i64 %t422
+  store { ptr, i64, i64 } %t421, ptr %t425
+  store i64 %t423, ptr %t417
+  %t426 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t426, ptr %a428
+  store { ptr, i64, i64 } { ptr @.str.6710, i64 1, i64 0 }, ptr %a429
+  call void @finch_str_concat(ptr %a427, ptr %a428, ptr %a429)
+  %t430 = load { ptr, i64, i64 }, ptr %a427
+  %t431 = load { ptr, i64, i64 }, ptr %a319
+  %t432 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t431)
+  store { ptr, i64, i64 } %t430, ptr %a434
+  store { ptr, i64, i64 } %t432, ptr %a435
+  call void @finch_str_concat(ptr %a433, ptr %a434, ptr %a435)
+  store { ptr, i64, i64 } %t430, ptr %a436
+  call void @finch_str_drop(ptr %a436)
+  store { ptr, i64, i64 } %t432, ptr %a437
+  call void @finch_str_drop(ptr %a437)
+  %t438 = load { ptr, i64, i64 }, ptr %a433
+  %t439 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t438, ptr %a252
+  store { ptr, i64, i64 } %t439, ptr %a440
+  call void @finch_str_drop(ptr %a440)
+  call void @finch_str_drop(ptr %a320)
+  call void @finch_str_drop(ptr %a319)
+  br label %endif9850
+else9849:
+  %t441 = load { ptr, i64, i64 }, ptr %a291
   store { ptr, i64, i64 } %t441, ptr %a442
-  store { ptr, i64, i64 } { ptr @.str.6493, i64 2, i64 0 }, ptr %a444
+  store { ptr, i64, i64 } { ptr @.str.6712, i64 2, i64 0 }, ptr %a444
   %t445 = call i32 @finch_str_ends(ptr %a442, ptr %a444)
   %t446 = icmp ne i32 %t445, 0
-  br label %logic.rend9360
-logic.rend9360:
-  br label %logic.end9359
-logic.end9359:
-  %t447 = phi i1 [ true, %logic.from9357 ], [ %t446, %logic.rend9360 ]
-  br i1 %t447, label %then9361, label %else9362
-then9361:
-  %t448 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t448, ptr %a450
-  store { ptr, i64, i64 } { ptr @.str.6494, i64 1, i64 0 }, ptr %a451
-  call void @finch_str_concat(ptr %a449, ptr %a450, ptr %a451)
-  %t452 = load { ptr, i64, i64 }, ptr %a449
-  %t453 = load { ptr, i64, i64 }, ptr %a281
-  %t454 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t453)
-  store { ptr, i64, i64 } %t452, ptr %a456
-  store { ptr, i64, i64 } %t454, ptr %a457
+  br label %logic.from9861
+logic.from9861:
+  br i1 %t446, label %logic.end9863, label %logic.rhs9862
+logic.rhs9862:
+  %t447 = load { ptr, i64, i64 }, ptr %a291
+  store { ptr, i64, i64 } %t447, ptr %a448
+  store { ptr, i64, i64 } { ptr @.str.6714, i64 2, i64 0 }, ptr %a450
+  %t451 = call i32 @finch_str_ends(ptr %a448, ptr %a450)
+  %t452 = icmp ne i32 %t451, 0
+  br label %logic.rend9864
+logic.rend9864:
+  br label %logic.end9863
+logic.end9863:
+  %t453 = phi i1 [ true, %logic.from9861 ], [ %t452, %logic.rend9864 ]
+  br i1 %t453, label %then9865, label %else9866
+then9865:
+  %t454 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t454, ptr %a456
+  store { ptr, i64, i64 } { ptr @.str.6715, i64 1, i64 0 }, ptr %a457
   call void @finch_str_concat(ptr %a455, ptr %a456, ptr %a457)
   %t458 = load { ptr, i64, i64 }, ptr %a455
-  store { ptr, i64, i64 } %t458, ptr %a248
-  br label %endif9363
-else9362:
-  %t459 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t459, ptr %a461
-  store { ptr, i64, i64 } { ptr @.str.6495, i64 1, i64 0 }, ptr %a462
-  call void @finch_str_concat(ptr %a460, ptr %a461, ptr %a462)
-  %t463 = load { ptr, i64, i64 }, ptr %a460
-  %t464 = load { ptr, i64, i64 }, ptr %a281
-  %t465 = load %S.platform.Target, ptr %a2
-  %t466 = call { ptr, i64, i64 } @finch.linker.libFlags({ ptr, i64, i64 } %t464, %S.platform.Target %t465)
-  store { ptr, i64, i64 } %t463, ptr %a468
-  store { ptr, i64, i64 } %t466, ptr %a469
-  call void @finch_str_concat(ptr %a467, ptr %a468, ptr %a469)
-  %t470 = load { ptr, i64, i64 }, ptr %a467
-  store { ptr, i64, i64 } %t470, ptr %a248
-  br label %endif9363
-endif9363:
-  br label %endif9346
-endif9346:
-  br label %each.step9342
-each.step9342:
-  %t471 = load i64, ptr %a273
-  %t472 = add i64 %t471, 1
-  store i64 %t472, ptr %a273
-  br label %each.cond9340
-each.end9343:
-  %t473 = load { ptr, i64, i64 }, ptr %a248
-  store { ptr, i64, i64 } %t473, ptr %a475
-  store { ptr, i64, i64 } { ptr @.str.6496, i64 3, i64 0 }, ptr %a476
-  call void @finch_str_concat(ptr %a474, ptr %a475, ptr %a476)
-  %t477 = load { ptr, i64, i64 }, ptr %a474
-  %t478 = load { ptr, i64, i64 }, ptr %a101
-  %t479 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t478)
-  store { ptr, i64, i64 } %t477, ptr %a481
-  store { ptr, i64, i64 } %t479, ptr %a482
-  call void @finch_str_concat(ptr %a480, ptr %a481, ptr %a482)
-  %t483 = load { ptr, i64, i64 }, ptr %a480
-  store { ptr, i64, i64 } %t483, ptr %a485
-  store { ptr, i64, i64 } { ptr @.str.6497, i64 5, i64 0 }, ptr %a486
-  call void @finch_str_concat(ptr %a484, ptr %a485, ptr %a486)
-  %t487 = load { ptr, i64, i64 }, ptr %a484
+  %t459 = load { ptr, i64, i64 }, ptr %a291
+  %t460 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t459)
+  store { ptr, i64, i64 } %t458, ptr %a462
+  store { ptr, i64, i64 } %t460, ptr %a463
+  call void @finch_str_concat(ptr %a461, ptr %a462, ptr %a463)
+  store { ptr, i64, i64 } %t458, ptr %a464
+  call void @finch_str_drop(ptr %a464)
+  store { ptr, i64, i64 } %t460, ptr %a465
+  call void @finch_str_drop(ptr %a465)
+  %t466 = load { ptr, i64, i64 }, ptr %a461
+  %t467 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t466, ptr %a252
+  store { ptr, i64, i64 } %t467, ptr %a468
+  call void @finch_str_drop(ptr %a468)
+  br label %endif9867
+else9866:
+  %t469 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t469, ptr %a471
+  store { ptr, i64, i64 } { ptr @.str.6716, i64 1, i64 0 }, ptr %a472
+  call void @finch_str_concat(ptr %a470, ptr %a471, ptr %a472)
+  %t473 = load { ptr, i64, i64 }, ptr %a470
+  %t474 = load { ptr, i64, i64 }, ptr %a291
+  %t475 = load %S.platform.Target, ptr %a2
+  %t476 = call { ptr, i64, i64 } @finch.linker.libFlags({ ptr, i64, i64 } %t474, %S.platform.Target %t475)
+  store { ptr, i64, i64 } %t473, ptr %a478
+  store { ptr, i64, i64 } %t476, ptr %a479
+  call void @finch_str_concat(ptr %a477, ptr %a478, ptr %a479)
+  store { ptr, i64, i64 } %t473, ptr %a480
+  call void @finch_str_drop(ptr %a480)
+  store { ptr, i64, i64 } %t476, ptr %a481
+  call void @finch_str_drop(ptr %a481)
+  %t482 = load { ptr, i64, i64 }, ptr %a477
+  %t483 = load { ptr, i64, i64 }, ptr %a252
+  store { ptr, i64, i64 } %t482, ptr %a252
+  store { ptr, i64, i64 } %t483, ptr %a484
+  call void @finch_str_drop(ptr %a484)
+  br label %endif9867
+endif9867:
+  br label %endif9850
+endif9850:
+  br label %each.step9846
+each.step9846:
+  %t485 = load i64, ptr %a283
+  %t486 = add i64 %t485, 1
+  store i64 %t486, ptr %a283
+  br label %each.cond9844
+each.end9847:
+  %t487 = load { ptr, i64, i64 }, ptr %a252
   store { ptr, i64, i64 } %t487, ptr %a489
-  call void @finch_str_copy(ptr %a488, ptr %a489)
-  %t490 = call i64 @finch_shell(ptr %a488)
-  store i64 %t490, ptr %a491
-  %t492 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t492, ptr %a493
-  store { ptr, i64, i64 } zeroinitializer, ptr %a494
-  store { ptr, i64, i64 } zeroinitializer, ptr %a495
-  %t496 = call i32 @finch_try_read_file(ptr %a494, ptr %a493, ptr %a495)
-  %t497 = icmp eq i32 %t496, 0
-  %t498 = load { ptr, i64, i64 }, ptr %a495
+  store { ptr, i64, i64 } { ptr @.str.6717, i64 3, i64 0 }, ptr %a490
+  call void @finch_str_concat(ptr %a488, ptr %a489, ptr %a490)
+  %t491 = load { ptr, i64, i64 }, ptr %a488
+  %t492 = load { ptr, i64, i64 }, ptr %a109
+  %t493 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t492)
+  store { ptr, i64, i64 } %t491, ptr %a495
+  store { ptr, i64, i64 } %t493, ptr %a496
+  call void @finch_str_concat(ptr %a494, ptr %a495, ptr %a496)
+  store { ptr, i64, i64 } %t491, ptr %a497
+  call void @finch_str_drop(ptr %a497)
+  store { ptr, i64, i64 } %t493, ptr %a498
+  call void @finch_str_drop(ptr %a498)
   %t499 = load { ptr, i64, i64 }, ptr %a494
-  br i1 %t497, label %or.failed9364, label %or.ok9365
-or.failed9364:
-  store { ptr, i64, i64 } %t498, ptr %a500
-  br label %or.bend9366
-or.bend9366:
-  br label %or.end9367
-or.ok9365:
-  br label %or.end9367
-or.end9367:
-  %t501 = phi { ptr, i64, i64 } [ { ptr @.str.6498, i64 0, i64 0 }, %or.bend9366 ], [ %t499, %or.ok9365 ]
-  store { ptr, i64, i64 } %t501, ptr %a502
-  %t503 = load { ptr, i64, i64 }, ptr %a78
-  %t504 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t503)
-  store { ptr, i64, i64 } { ptr @.str.6499, i64 6, i64 0 }, ptr %a506
-  store { ptr, i64, i64 } %t504, ptr %a507
-  call void @finch_str_concat(ptr %a505, ptr %a506, ptr %a507)
-  %t508 = load { ptr, i64, i64 }, ptr %a505
-  store { ptr, i64, i64 } %t508, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.6500, i64 1, i64 0 }, ptr %a511
-  call void @finch_str_concat(ptr %a509, ptr %a510, ptr %a511)
-  %t512 = load { ptr, i64, i64 }, ptr %a509
-  %t513 = load { ptr, i64, i64 }, ptr %a101
-  %t514 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t513)
-  store { ptr, i64, i64 } %t512, ptr %a516
-  store { ptr, i64, i64 } %t514, ptr %a517
-  call void @finch_str_concat(ptr %a515, ptr %a516, ptr %a517)
-  %t518 = load { ptr, i64, i64 }, ptr %a515
-  store { ptr, i64, i64 } %t518, ptr %a520
-  call void @finch_str_copy(ptr %a519, ptr %a520)
-  %t521 = call i64 @finch_shell(ptr %a519)
-  store i64 0, ptr %a522
-  br label %each.cond9368
-each.cond9368:
-  %t523 = getelementptr inbounds { ptr, i64, i64 }, ptr %a271, i32 0, i32 1
-  %t524 = load i64, ptr %t523
-  %t525 = load i64, ptr %a522
-  %t526 = icmp slt i64 %t525, %t524
-  br i1 %t526, label %each.body9369, label %each.end9371
-each.body9369:
-  %t527 = load ptr, ptr %a271
-  %t528 = getelementptr inbounds { ptr, i64, i64 }, ptr %t527, i64 %t525
-  %t529 = load { ptr, i64, i64 }, ptr %t528
-  store { ptr, i64, i64 } %t529, ptr %a530
-  %t531 = load { ptr, i64, i64 }, ptr %a530
-  %t532 = call { ptr, i64, i64 } @finch.linker.quote({ ptr, i64, i64 } %t531)
-  store { ptr, i64, i64 } { ptr @.str.6501, i64 6, i64 0 }, ptr %a534
-  store { ptr, i64, i64 } %t532, ptr %a535
-  call void @finch_str_concat(ptr %a533, ptr %a534, ptr %a535)
-  %t536 = load { ptr, i64, i64 }, ptr %a533
-  store { ptr, i64, i64 } %t536, ptr %a538
-  call void @finch_str_copy(ptr %a537, ptr %a538)
-  %t539 = call i64 @finch_shell(ptr %a537)
-  br label %each.step9370
-each.step9370:
-  %t540 = load i64, ptr %a522
-  %t541 = add i64 %t540, 1
-  store i64 %t541, ptr %a522
-  br label %each.cond9368
-each.end9371:
-  %t542 = load i64, ptr %a491
-  %t543 = icmp eq i64 %t542, 127
-  br i1 %t543, label %then9372, label %endif9374
-then9372:
-  %t544 = load { ptr, i64, i64 }, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.6502, i64 42, i64 0 }, ptr %a546
-  store { ptr, i64, i64 } %t544, ptr %a547
-  call void @finch_str_concat(ptr %a545, ptr %a546, ptr %a547)
-  %t548 = load { ptr, i64, i64 }, ptr %a545
-  store { ptr, i64, i64 } %t548, ptr %a550
-  store { ptr, i64, i64 } { ptr @.str.6503, i64 32, i64 0 }, ptr %a551
-  call void @finch_str_concat(ptr %a549, ptr %a550, ptr %a551)
-  %t552 = load { ptr, i64, i64 }, ptr %a549
-  %t553 = extractvalue { ptr, i64, i64 } %t552, 1
-  %t554 = trunc i64 %t553 to i32
-  %t555 = extractvalue { ptr, i64, i64 } %t552, 0
-  %t556 = icmp eq ptr %t555, null
-  %t557 = select i1 %t556, ptr @.str.6504, ptr %t555
-  %t558 = call i32 (ptr, ...) @printf(ptr @.str.6505, i32 %t554, ptr %t557)
-  %t559 = call i32 (ptr, ...) @printf(ptr @.str.6506)
+  store { ptr, i64, i64 } %t499, ptr %a501
+  store { ptr, i64, i64 } { ptr @.str.6718, i64 5, i64 0 }, ptr %a502
+  call void @finch_str_concat(ptr %a500, ptr %a501, ptr %a502)
+  store { ptr, i64, i64 } %t499, ptr %a503
+  call void @finch_str_drop(ptr %a503)
+  %t504 = load { ptr, i64, i64 }, ptr %a500
+  %t505 = call i64 @finch.host.run({ ptr, i64, i64 } %t504)
+  store { ptr, i64, i64 } %t504, ptr %a506
+  call void @finch_str_drop(ptr %a506)
+  store i64 %t505, ptr %a507
+  %t508 = load { ptr, i64, i64 }, ptr %a109
+  store { ptr, i64, i64 } %t508, ptr %a509
+  store { ptr, i64, i64 } zeroinitializer, ptr %a510
+  store { ptr, i64, i64 } zeroinitializer, ptr %a511
+  %t512 = call i32 @finch_try_read_file(ptr %a510, ptr %a509, ptr %a511)
+  %t513 = icmp eq i32 %t512, 0
+  %t514 = load { ptr, i64, i64 }, ptr %a511
+  %t515 = load { ptr, i64, i64 }, ptr %a510
+  br i1 %t513, label %or.failed9868, label %or.ok9869
+or.failed9868:
+  store { ptr, i64, i64 } %t514, ptr %a516
+  call void @finch_str_drop(ptr %a516)
+  br label %or.bend9870
+or.bend9870:
+  br label %or.end9871
+or.ok9869:
+  br label %or.end9871
+or.end9871:
+  %t517 = phi { ptr, i64, i64 } [ { ptr @.str.6719, i64 0, i64 0 }, %or.bend9870 ], [ %t515, %or.ok9869 ]
+  store { ptr, i64, i64 } %t517, ptr %a518
+  %t519 = load { ptr, i64, i64 }, ptr %a84
+  call void @finch.host.remove({ ptr, i64, i64 } %t519)
+  %t520 = load { ptr, i64, i64 }, ptr %a109
+  call void @finch.host.remove({ ptr, i64, i64 } %t520)
+  store i64 0, ptr %a521
+  br label %each.cond9872
+each.cond9872:
+  %t522 = getelementptr inbounds { ptr, i64, i64 }, ptr %a281, i32 0, i32 1
+  %t523 = load i64, ptr %t522
+  %t524 = load i64, ptr %a521
+  %t525 = icmp slt i64 %t524, %t523
+  br i1 %t525, label %each.body9873, label %each.end9875
+each.body9873:
+  %t526 = load ptr, ptr %a281
+  %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t526, i64 %t524
+  %t528 = load { ptr, i64, i64 }, ptr %t527
+  store { ptr, i64, i64 } %t528, ptr %a529
+  %t530 = load { ptr, i64, i64 }, ptr %a529
+  call void @finch.host.remove({ ptr, i64, i64 } %t530)
+  br label %each.step9874
+each.step9874:
+  %t531 = load i64, ptr %a521
+  %t532 = add i64 %t531, 1
+  store i64 %t532, ptr %a521
+  br label %each.cond9872
+each.end9875:
+  %t533 = load i64, ptr %a507
+  %t534 = icmp eq i64 %t533, 127
+  br i1 %t534, label %then9876, label %endif9878
+then9876:
+  %t535 = load { ptr, i64, i64 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.6720, i64 42, i64 0 }, ptr %a537
+  store { ptr, i64, i64 } %t535, ptr %a538
+  call void @finch_str_concat(ptr %a536, ptr %a537, ptr %a538)
+  %t539 = load { ptr, i64, i64 }, ptr %a536
+  store { ptr, i64, i64 } %t539, ptr %a541
+  store { ptr, i64, i64 } { ptr @.str.6721, i64 32, i64 0 }, ptr %a542
+  call void @finch_str_concat(ptr %a540, ptr %a541, ptr %a542)
+  store { ptr, i64, i64 } %t539, ptr %a543
+  call void @finch_str_drop(ptr %a543)
+  %t544 = load { ptr, i64, i64 }, ptr %a540
+  %t545 = extractvalue { ptr, i64, i64 } %t544, 1
+  %t546 = trunc i64 %t545 to i32
+  %t547 = extractvalue { ptr, i64, i64 } %t544, 0
+  %t548 = icmp eq ptr %t547, null
+  %t549 = select i1 %t548, ptr @.str.6722, ptr %t547
+  %t550 = call i32 (ptr, ...) @printf(ptr @.str.6723, i32 %t546, ptr %t549)
+  store { ptr, i64, i64 } %t544, ptr %a551
+  call void @finch_str_drop(ptr %a551)
+  %t552 = call i32 (ptr, ...) @printf(ptr @.str.6724)
+  call void @finch_str_drop(ptr %a518)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 1
-endif9374:
-  %t560 = load i64, ptr %a491
-  %t561 = icmp ne i64 %t560, 0
-  br i1 %t561, label %then9375, label %endif9377
-then9375:
-  %t562 = load { ptr, i64, i64 }, ptr %a502
-  %t563 = load %S.cimport.CImports, ptr %a3
-  %t564 = load %S.platform.Target, ptr %a2
-  %t565 = call i64 @finch.linker.linkFailed({ ptr, i64, i64 } %t562, %S.cimport.CImports %t563, %S.platform.Target %t564)
-  ret i64 %t565
-endif9377:
-  %t566 = getelementptr inbounds { ptr, i64, i64 }, ptr %a502, i32 0, i32 1
-  %t567 = load i64, ptr %t566
-  %t568 = icmp sgt i64 %t567, 0
-  br i1 %t568, label %then9378, label %endif9380
-then9378:
-  %t569 = load { ptr, i64, i64 }, ptr %a502
-  %t570 = extractvalue { ptr, i64, i64 } %t569, 1
-  %t571 = trunc i64 %t570 to i32
-  %t572 = extractvalue { ptr, i64, i64 } %t569, 0
-  %t573 = icmp eq ptr %t572, null
-  %t574 = select i1 %t573, ptr @.str.6507, ptr %t572
-  %t575 = call i32 (ptr, ...) @printf(ptr @.str.6508, i32 %t571, ptr %t574)
-  %t576 = call i32 (ptr, ...) @printf(ptr @.str.6509)
-  br label %endif9380
-endif9380:
+endif9878:
+  %t553 = load i64, ptr %a507
+  %t554 = icmp ne i64 %t553, 0
+  br i1 %t554, label %then9879, label %endif9881
+then9879:
+  %t555 = load { ptr, i64, i64 }, ptr %a518
+  %t556 = load %S.cimport.CImports, ptr %a3
+  %t557 = load %S.platform.Target, ptr %a2
+  %t558 = call i64 @finch.linker.linkFailed({ ptr, i64, i64 } %t555, %S.cimport.CImports %t556, %S.platform.Target %t557)
+  call void @finch_str_drop(ptr %a518)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
+  ret i64 %t558
+endif9881:
+  %t559 = getelementptr inbounds { ptr, i64, i64 }, ptr %a518, i32 0, i32 1
+  %t560 = load i64, ptr %t559
+  %t561 = icmp sgt i64 %t560, 0
+  br i1 %t561, label %then9882, label %endif9884
+then9882:
+  %t562 = load { ptr, i64, i64 }, ptr %a518
+  %t563 = extractvalue { ptr, i64, i64 } %t562, 1
+  %t564 = trunc i64 %t563 to i32
+  %t565 = extractvalue { ptr, i64, i64 } %t562, 0
+  %t566 = icmp eq ptr %t565, null
+  %t567 = select i1 %t566, ptr @.str.6725, ptr %t565
+  %t568 = call i32 (ptr, ...) @printf(ptr @.str.6726, i32 %t564, ptr %t567)
+  %t569 = call i32 (ptr, ...) @printf(ptr @.str.6727)
+  br label %endif9884
+endif9884:
+  call void @finch_str_drop(ptr %a518)
+  call void @finch.drop.arr_str(ptr %a281)
+  call void @finch_str_drop(ptr %a252)
+  call void @finch_str_drop(ptr %a109)
+  call void @finch_str_drop(ptr %a92)
+  call void @finch_str_drop(ptr %a84)
+  call void @finch_str_drop(ptr %a77)
+  call void @finch_str_drop(ptr %a70)
+  call void @finch_str_drop(ptr %a23)
+  call void @finch_str_drop(ptr %a13)
   ret i64 0
 }
 
@@ -84835,72 +101898,79 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 48
-  br label %logic.from9381
-logic.from9381:
-  br i1 %t3, label %logic.rhs9382, label %logic.end9383
-logic.rhs9382:
+  br label %logic.from9885
+logic.from9885:
+  br i1 %t3, label %logic.rhs9886, label %logic.end9887
+logic.rhs9886:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 57
-  br label %logic.rend9384
-logic.rend9384:
-  br label %logic.end9383
-logic.end9383:
-  %t6 = phi i1 [ false, %logic.from9381 ], [ %t5, %logic.rend9384 ]
-  br i1 %t6, label %then9385, label %endif9387
-then9385:
+  br label %logic.rend9888
+logic.rend9888:
+  br label %logic.end9887
+logic.end9887:
+  %t6 = phi i1 [ false, %logic.from9885 ], [ %t5, %logic.rend9888 ]
+  br i1 %t6, label %then9889, label %endif9891
+then9889:
   %t7 = load i8, ptr %a1
   %t8 = zext i8 %t7 to i64
   %t9 = zext i8 48 to i64
   %t10 = sub i64 %t8, %t9
   ret i64 %t10
-endif9387:
+endif9891:
   %t11 = load i8, ptr %a1
   %t12 = icmp uge i8 %t11, 97
-  br label %logic.from9388
-logic.from9388:
-  br i1 %t12, label %logic.rhs9389, label %logic.end9390
-logic.rhs9389:
+  br label %logic.from9892
+logic.from9892:
+  br i1 %t12, label %logic.rhs9893, label %logic.end9894
+logic.rhs9893:
   %t13 = load i8, ptr %a1
   %t14 = icmp ule i8 %t13, 102
-  br label %logic.rend9391
-logic.rend9391:
-  br label %logic.end9390
-logic.end9390:
-  %t15 = phi i1 [ false, %logic.from9388 ], [ %t14, %logic.rend9391 ]
-  br i1 %t15, label %then9392, label %endif9394
-then9392:
+  br label %logic.rend9895
+logic.rend9895:
+  br label %logic.end9894
+logic.end9894:
+  %t15 = phi i1 [ false, %logic.from9892 ], [ %t14, %logic.rend9895 ]
+  br i1 %t15, label %then9896, label %endif9898
+then9896:
   %t16 = load i8, ptr %a1
   %t17 = zext i8 %t16 to i64
   %t18 = zext i8 97 to i64
   %t19 = sub i64 %t17, %t18
   %t20 = add i64 %t19, 10
   ret i64 %t20
-endif9394:
+endif9898:
   %t21 = load i8, ptr %a1
   %t22 = icmp uge i8 %t21, 65
-  br label %logic.from9395
-logic.from9395:
-  br i1 %t22, label %logic.rhs9396, label %logic.end9397
-logic.rhs9396:
+  br label %logic.from9899
+logic.from9899:
+  br i1 %t22, label %logic.rhs9900, label %logic.end9901
+logic.rhs9900:
   %t23 = load i8, ptr %a1
   %t24 = icmp ule i8 %t23, 70
-  br label %logic.rend9398
-logic.rend9398:
-  br label %logic.end9397
-logic.end9397:
-  %t25 = phi i1 [ false, %logic.from9395 ], [ %t24, %logic.rend9398 ]
-  br i1 %t25, label %then9399, label %endif9401
-then9399:
+  br label %logic.rend9902
+logic.rend9902:
+  br label %logic.end9901
+logic.end9901:
+  %t25 = phi i1 [ false, %logic.from9899 ], [ %t24, %logic.rend9902 ]
+  br i1 %t25, label %then9903, label %endif9905
+then9903:
   %t26 = load i8, ptr %a1
   %t27 = zext i8 %t26 to i64
   %t28 = zext i8 65 to i64
   %t29 = sub i64 %t27, %t28
   %t30 = add i64 %t29, 10
   ret i64 %t30
-endif9401:
+endif9905:
   ret i64 -1
 }
 
+define internal void @finch.drop.arr_u8(ptr %a) {
+entry:
+
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
 define internal { ptr, i64, i64 } @finch.lsp.uriToPath({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -84912,10 +101982,11 @@ entry:
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
-  %a19 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca i64, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a22 = alloca i64, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -84924,185 +101995,190 @@ entry:
   store { ptr, i64, i64 } %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t7, ptr %a8
-  store { ptr, i64, i64 } { ptr @.str.6511, i64 7, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6729, i64 7, i64 0 }, ptr %a10
   %t11 = call i32 @finch_str_starts(ptr %a8, ptr %a10)
   %t12 = icmp ne i32 %t11, 0
-  br i1 %t12, label %then9402, label %endif9404
-then9402:
+  br i1 %t12, label %then9906, label %endif9908
+then9906:
   %t13 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t13, ptr %a14
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
   %t17 = load i64, ptr %t16
-  call void @finch_str_sub(ptr %a15, ptr %a14, i64 7, i64 %t17, ptr @.str.6512, i64 114)
+  call void @finch_str_sub(ptr %a15, ptr %a14, i64 7, i64 %t17, ptr @.str.6730, i64 114)
   %t18 = load { ptr, i64, i64 }, ptr %a15
+  %t19 = load { ptr, i64, i64 }, ptr %a6
   store { ptr, i64, i64 } %t18, ptr %a6
-  br label %endif9404
-endif9404:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a19
-  store i64 0, ptr %a20
-  br label %while.cond9405
-while.cond9405:
-  %t21 = load i64, ptr %a20
-  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t23 = load i64, ptr %t22
-  %t24 = icmp slt i64 %t21, %t23
-  br i1 %t24, label %while.body9406, label %while.end9407
-while.body9406:
-  %t25 = load i64, ptr %a20
-  %t26 = load { ptr, i64, i64 }, ptr %a6
-  %t27 = extractvalue { ptr, i64, i64 } %t26, 1
-  %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range9408, label %inrange9409
-range9408:
-  call void @finch_panic_index(ptr @.str.6513, i64 119, i64 %t25, i64 %t27)
+  store { ptr, i64, i64 } %t19, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  br label %endif9908
+endif9908:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a21
+  store i64 0, ptr %a22
+  br label %while.cond9909
+while.cond9909:
+  %t23 = load i64, ptr %a22
+  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t25 = load i64, ptr %t24
+  %t26 = icmp slt i64 %t23, %t25
+  br i1 %t26, label %while.body9910, label %while.end9911
+while.body9910:
+  %t27 = load i64, ptr %a22
+  %t28 = load { ptr, i64, i64 }, ptr %a6
+  %t29 = extractvalue { ptr, i64, i64 } %t28, 1
+  %t30 = icmp uge i64 %t27, %t29
+  br i1 %t30, label %range9912, label %inrange9913
+range9912:
+  call void @finch_panic_index(ptr @.str.6731, i64 119, i64 %t27, i64 %t29)
   unreachable
-inrange9409:
-  %t29 = extractvalue { ptr, i64, i64 } %t26, 0
-  %t30 = getelementptr inbounds i8, ptr %t29, i64 %t25
-  %t31 = load i8, ptr %t30
-  %t32 = icmp eq i8 %t31, 37
-  br label %logic.from9410
-logic.from9410:
-  br i1 %t32, label %logic.rhs9411, label %logic.end9412
-logic.rhs9411:
-  %t33 = load i64, ptr %a20
-  %t34 = add i64 %t33, 2
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
-  %t36 = load i64, ptr %t35
-  %t37 = add i64 %t36, 0
-  %t38 = icmp slt i64 %t34, %t37
-  br label %logic.rend9413
-logic.rend9413:
-  br label %logic.end9412
-logic.end9412:
-  %t39 = phi i1 [ false, %logic.from9410 ], [ %t38, %logic.rend9413 ]
-  br label %logic.from9414
-logic.from9414:
-  br i1 %t39, label %logic.rhs9415, label %logic.end9416
-logic.rhs9415:
-  %t40 = load i64, ptr %a20
-  %t41 = add i64 %t40, 1
-  %t42 = load { ptr, i64, i64 }, ptr %a6
-  %t43 = extractvalue { ptr, i64, i64 } %t42, 1
-  %t44 = icmp uge i64 %t41, %t43
-  br i1 %t44, label %range9417, label %inrange9418
-range9417:
-  call void @finch_panic_index(ptr @.str.6514, i64 119, i64 %t41, i64 %t43)
+inrange9913:
+  %t31 = extractvalue { ptr, i64, i64 } %t28, 0
+  %t32 = getelementptr inbounds i8, ptr %t31, i64 %t27
+  %t33 = load i8, ptr %t32
+  %t34 = icmp eq i8 %t33, 37
+  br label %logic.from9914
+logic.from9914:
+  br i1 %t34, label %logic.rhs9915, label %logic.end9916
+logic.rhs9915:
+  %t35 = load i64, ptr %a22
+  %t36 = add i64 %t35, 2
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a6, i32 0, i32 1
+  %t38 = load i64, ptr %t37
+  %t39 = add i64 %t38, 0
+  %t40 = icmp slt i64 %t36, %t39
+  br label %logic.rend9917
+logic.rend9917:
+  br label %logic.end9916
+logic.end9916:
+  %t41 = phi i1 [ false, %logic.from9914 ], [ %t40, %logic.rend9917 ]
+  br label %logic.from9918
+logic.from9918:
+  br i1 %t41, label %logic.rhs9919, label %logic.end9920
+logic.rhs9919:
+  %t42 = load i64, ptr %a22
+  %t43 = add i64 %t42, 1
+  %t44 = load { ptr, i64, i64 }, ptr %a6
+  %t45 = extractvalue { ptr, i64, i64 } %t44, 1
+  %t46 = icmp uge i64 %t43, %t45
+  br i1 %t46, label %range9921, label %inrange9922
+range9921:
+  call void @finch_panic_index(ptr @.str.6732, i64 119, i64 %t43, i64 %t45)
   unreachable
-inrange9418:
-  %t45 = extractvalue { ptr, i64, i64 } %t42, 0
-  %t46 = getelementptr inbounds i8, ptr %t45, i64 %t41
-  %t47 = load i8, ptr %t46
-  %t48 = call i64 @finch.lsp.hexval(i8 %t47)
-  %t49 = icmp sge i64 %t48, 0
-  br label %logic.rend9419
-logic.rend9419:
-  br label %logic.end9416
-logic.end9416:
-  %t50 = phi i1 [ false, %logic.from9414 ], [ %t49, %logic.rend9419 ]
-  br label %logic.from9420
-logic.from9420:
-  br i1 %t50, label %logic.rhs9421, label %logic.end9422
-logic.rhs9421:
-  %t51 = load i64, ptr %a20
-  %t52 = add i64 %t51, 2
-  %t53 = load { ptr, i64, i64 }, ptr %a6
-  %t54 = extractvalue { ptr, i64, i64 } %t53, 1
-  %t55 = icmp uge i64 %t52, %t54
-  br i1 %t55, label %range9423, label %inrange9424
-range9423:
-  call void @finch_panic_index(ptr @.str.6515, i64 119, i64 %t52, i64 %t54)
+inrange9922:
+  %t47 = extractvalue { ptr, i64, i64 } %t44, 0
+  %t48 = getelementptr inbounds i8, ptr %t47, i64 %t43
+  %t49 = load i8, ptr %t48
+  %t50 = call i64 @finch.lsp.hexval(i8 %t49)
+  %t51 = icmp sge i64 %t50, 0
+  br label %logic.rend9923
+logic.rend9923:
+  br label %logic.end9920
+logic.end9920:
+  %t52 = phi i1 [ false, %logic.from9918 ], [ %t51, %logic.rend9923 ]
+  br label %logic.from9924
+logic.from9924:
+  br i1 %t52, label %logic.rhs9925, label %logic.end9926
+logic.rhs9925:
+  %t53 = load i64, ptr %a22
+  %t54 = add i64 %t53, 2
+  %t55 = load { ptr, i64, i64 }, ptr %a6
+  %t56 = extractvalue { ptr, i64, i64 } %t55, 1
+  %t57 = icmp uge i64 %t54, %t56
+  br i1 %t57, label %range9927, label %inrange9928
+range9927:
+  call void @finch_panic_index(ptr @.str.6733, i64 119, i64 %t54, i64 %t56)
   unreachable
-inrange9424:
-  %t56 = extractvalue { ptr, i64, i64 } %t53, 0
-  %t57 = getelementptr inbounds i8, ptr %t56, i64 %t52
-  %t58 = load i8, ptr %t57
-  %t59 = call i64 @finch.lsp.hexval(i8 %t58)
-  %t60 = icmp sge i64 %t59, 0
-  br label %logic.rend9425
-logic.rend9425:
-  br label %logic.end9422
-logic.end9422:
-  %t61 = phi i1 [ false, %logic.from9420 ], [ %t60, %logic.rend9425 ]
-  br i1 %t61, label %then9426, label %else9427
-then9426:
-  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t63 = load i64, ptr %a20
-  %t64 = add i64 %t63, 1
-  %t65 = load { ptr, i64, i64 }, ptr %a6
-  %t66 = extractvalue { ptr, i64, i64 } %t65, 1
-  %t67 = icmp uge i64 %t64, %t66
-  br i1 %t67, label %range9429, label %inrange9430
-range9429:
-  call void @finch_panic_index(ptr @.str.6516, i64 120, i64 %t64, i64 %t66)
+inrange9928:
+  %t58 = extractvalue { ptr, i64, i64 } %t55, 0
+  %t59 = getelementptr inbounds i8, ptr %t58, i64 %t54
+  %t60 = load i8, ptr %t59
+  %t61 = call i64 @finch.lsp.hexval(i8 %t60)
+  %t62 = icmp sge i64 %t61, 0
+  br label %logic.rend9929
+logic.rend9929:
+  br label %logic.end9926
+logic.end9926:
+  %t63 = phi i1 [ false, %logic.from9924 ], [ %t62, %logic.rend9929 ]
+  br i1 %t63, label %then9930, label %else9931
+then9930:
+  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a21, i32 0, i32 1
+  %t65 = load i64, ptr %a22
+  %t66 = add i64 %t65, 1
+  %t67 = load { ptr, i64, i64 }, ptr %a6
+  %t68 = extractvalue { ptr, i64, i64 } %t67, 1
+  %t69 = icmp uge i64 %t66, %t68
+  br i1 %t69, label %range9933, label %inrange9934
+range9933:
+  call void @finch_panic_index(ptr @.str.6734, i64 120, i64 %t66, i64 %t68)
   unreachable
-inrange9430:
-  %t68 = extractvalue { ptr, i64, i64 } %t65, 0
-  %t69 = getelementptr inbounds i8, ptr %t68, i64 %t64
-  %t70 = load i8, ptr %t69
-  %t71 = call i64 @finch.lsp.hexval(i8 %t70)
-  %t72 = mul i64 %t71, 16
-  %t73 = load i64, ptr %a20
-  %t74 = add i64 %t73, 2
-  %t75 = load { ptr, i64, i64 }, ptr %a6
-  %t76 = extractvalue { ptr, i64, i64 } %t75, 1
-  %t77 = icmp uge i64 %t74, %t76
-  br i1 %t77, label %range9431, label %inrange9432
-range9431:
-  call void @finch_panic_index(ptr @.str.6517, i64 120, i64 %t74, i64 %t76)
+inrange9934:
+  %t70 = extractvalue { ptr, i64, i64 } %t67, 0
+  %t71 = getelementptr inbounds i8, ptr %t70, i64 %t66
+  %t72 = load i8, ptr %t71
+  %t73 = call i64 @finch.lsp.hexval(i8 %t72)
+  %t74 = mul i64 %t73, 16
+  %t75 = load i64, ptr %a22
+  %t76 = add i64 %t75, 2
+  %t77 = load { ptr, i64, i64 }, ptr %a6
+  %t78 = extractvalue { ptr, i64, i64 } %t77, 1
+  %t79 = icmp uge i64 %t76, %t78
+  br i1 %t79, label %range9935, label %inrange9936
+range9935:
+  call void @finch_panic_index(ptr @.str.6735, i64 120, i64 %t76, i64 %t78)
   unreachable
-inrange9432:
-  %t78 = extractvalue { ptr, i64, i64 } %t75, 0
-  %t79 = getelementptr inbounds i8, ptr %t78, i64 %t74
-  %t80 = load i8, ptr %t79
-  %t81 = call i64 @finch.lsp.hexval(i8 %t80)
-  %t82 = add i64 %t72, %t81
-  %t83 = trunc i64 %t82 to i8
-  %t84 = load i64, ptr %t62
-  %t85 = add i64 %t84, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t85, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
-  %t86 = load ptr, ptr %a19
-  %t87 = getelementptr inbounds i8, ptr %t86, i64 %t84
-  store i8 %t83, ptr %t87
-  store i64 %t85, ptr %t62
-  %t88 = load i64, ptr %a20
-  %t89 = add i64 %t88, 3
-  store i64 %t89, ptr %a20
-  br label %endif9428
-else9427:
-  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
-  %t91 = load i64, ptr %a20
-  %t92 = load { ptr, i64, i64 }, ptr %a6
-  %t93 = extractvalue { ptr, i64, i64 } %t92, 1
-  %t94 = icmp uge i64 %t91, %t93
-  br i1 %t94, label %range9433, label %inrange9434
-range9433:
-  call void @finch_panic_index(ptr @.str.6518, i64 123, i64 %t91, i64 %t93)
+inrange9936:
+  %t80 = extractvalue { ptr, i64, i64 } %t77, 0
+  %t81 = getelementptr inbounds i8, ptr %t80, i64 %t76
+  %t82 = load i8, ptr %t81
+  %t83 = call i64 @finch.lsp.hexval(i8 %t82)
+  %t84 = add i64 %t74, %t83
+  %t85 = trunc i64 %t84 to i8
+  %t86 = load i64, ptr %t64
+  %t87 = add i64 %t86, 1
+  call void @finch_arr_reserve(ptr %a21, i64 %t87, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
+  %t88 = load ptr, ptr %a21
+  %t89 = getelementptr inbounds i8, ptr %t88, i64 %t86
+  store i8 %t85, ptr %t89
+  store i64 %t87, ptr %t64
+  %t90 = load i64, ptr %a22
+  %t91 = add i64 %t90, 3
+  store i64 %t91, ptr %a22
+  br label %endif9932
+else9931:
+  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a21, i32 0, i32 1
+  %t93 = load i64, ptr %a22
+  %t94 = load { ptr, i64, i64 }, ptr %a6
+  %t95 = extractvalue { ptr, i64, i64 } %t94, 1
+  %t96 = icmp uge i64 %t93, %t95
+  br i1 %t96, label %range9937, label %inrange9938
+range9937:
+  call void @finch_panic_index(ptr @.str.6736, i64 123, i64 %t93, i64 %t95)
   unreachable
-inrange9434:
-  %t95 = extractvalue { ptr, i64, i64 } %t92, 0
-  %t96 = getelementptr inbounds i8, ptr %t95, i64 %t91
-  %t97 = load i8, ptr %t96
-  %t98 = load i64, ptr %t90
-  %t99 = add i64 %t98, 1
-  call void @finch_arr_reserve(ptr %a19, i64 %t99, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
-  %t100 = load ptr, ptr %a19
-  %t101 = getelementptr inbounds i8, ptr %t100, i64 %t98
-  store i8 %t97, ptr %t101
-  store i64 %t99, ptr %t90
-  %t102 = load i64, ptr %a20
-  %t103 = add i64 %t102, 1
-  store i64 %t103, ptr %a20
-  br label %endif9428
-endif9428:
-  br label %while.cond9405
-while.end9407:
-  %t104 = load { ptr, i64, i64 }, ptr %a19
-  store { ptr, i64, i64 } zeroinitializer, ptr %a105
-  store { ptr, i64, i64 } %t104, ptr %a106
-  call void @finch_str_from_bytes(ptr %a105, ptr %a106)
-  %t107 = load { ptr, i64, i64 }, ptr %a105
-  ret { ptr, i64, i64 } %t107
+inrange9938:
+  %t97 = extractvalue { ptr, i64, i64 } %t94, 0
+  %t98 = getelementptr inbounds i8, ptr %t97, i64 %t93
+  %t99 = load i8, ptr %t98
+  %t100 = load i64, ptr %t92
+  %t101 = add i64 %t100, 1
+  call void @finch_arr_reserve(ptr %a21, i64 %t101, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
+  %t102 = load ptr, ptr %a21
+  %t103 = getelementptr inbounds i8, ptr %t102, i64 %t100
+  store i8 %t99, ptr %t103
+  store i64 %t101, ptr %t92
+  %t104 = load i64, ptr %a22
+  %t105 = add i64 %t104, 1
+  store i64 %t105, ptr %a22
+  br label %endif9932
+endif9932:
+  br label %while.cond9909
+while.end9911:
+  %t106 = load { ptr, i64, i64 }, ptr %a21
+  store { ptr, i64, i64 } zeroinitializer, ptr %a107
+  store { ptr, i64, i64 } %t106, ptr %a108
+  call void @finch_str_from_bytes(ptr %a107, ptr %a108)
+  %t109 = load { ptr, i64, i64 }, ptr %a107
+  call void @finch.drop.arr_u8(ptr %a21)
+  call void @finch_str_drop(ptr %a6)
+  ret { ptr, i64, i64 } %t109
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %p0) {
@@ -85117,36 +102193,40 @@ entry:
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
-  %a50 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
-  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a71 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
   %a82 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
   %a84 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
+  %a87 = alloca { ptr, i64, i64 }, align 16
+  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6519, i64 16, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.6737, i64 16, i64 0 }, ptr %a2
   %t3 = mul i64 1, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t4 = call ptr @finch_alloc(i64 %t3)
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i64 0
-  store { ptr, i64, i64 } { ptr @.str.6520, i64 7, i64 0 }, ptr %t5
+  store { ptr, i64, i64 } { ptr @.str.6738, i64 7, i64 0 }, ptr %t5
   %t6 = insertvalue { ptr, i64, i64 } undef, ptr %t4, 0
   %t7 = insertvalue { ptr, i64, i64 } %t6, i64 1, 1
   %t8 = insertvalue { ptr, i64, i64 } %t7, i64 1, 2
   store { ptr, i64, i64 } %t8, ptr %a9
   store i64 0, ptr %a10
-  br label %each.cond9435
-each.cond9435:
+  br label %each.cond9939
+each.cond9939:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = load i64, ptr %a10
   %t14 = icmp slt i64 %t13, %t12
-  br i1 %t14, label %each.body9436, label %each.end9438
-each.body9436:
+  br i1 %t14, label %each.body9940, label %each.end9942
+each.body9940:
   %t15 = load ptr, ptr %a1
   %t16 = getelementptr inbounds i8, ptr %t15, i64 %t13
   %t17 = load i8, ptr %t16
@@ -85156,153 +102236,163 @@ each.body9436:
   store i64 %t20, ptr %a21
   %t22 = load i8, ptr %a18
   %t23 = icmp uge i8 %t22, 97
-  br label %logic.from9439
-logic.from9439:
-  br i1 %t23, label %logic.rhs9440, label %logic.end9441
-logic.rhs9440:
+  br label %logic.from9943
+logic.from9943:
+  br i1 %t23, label %logic.rhs9944, label %logic.end9945
+logic.rhs9944:
   %t24 = load i8, ptr %a18
   %t25 = icmp ule i8 %t24, 122
-  br label %logic.rend9442
-logic.rend9442:
-  br label %logic.end9441
-logic.end9441:
-  %t26 = phi i1 [ false, %logic.from9439 ], [ %t25, %logic.rend9442 ]
-  br label %logic.from9443
-logic.from9443:
-  br i1 %t26, label %logic.end9445, label %logic.rhs9444
-logic.rhs9444:
+  br label %logic.rend9946
+logic.rend9946:
+  br label %logic.end9945
+logic.end9945:
+  %t26 = phi i1 [ false, %logic.from9943 ], [ %t25, %logic.rend9946 ]
+  br label %logic.from9947
+logic.from9947:
+  br i1 %t26, label %logic.end9949, label %logic.rhs9948
+logic.rhs9948:
   %t27 = load i8, ptr %a18
   %t28 = icmp uge i8 %t27, 65
-  br label %logic.from9446
-logic.from9446:
-  br i1 %t28, label %logic.rhs9447, label %logic.end9448
-logic.rhs9447:
+  br label %logic.from9950
+logic.from9950:
+  br i1 %t28, label %logic.rhs9951, label %logic.end9952
+logic.rhs9951:
   %t29 = load i8, ptr %a18
   %t30 = icmp ule i8 %t29, 90
-  br label %logic.rend9449
-logic.rend9449:
-  br label %logic.end9448
-logic.end9448:
-  %t31 = phi i1 [ false, %logic.from9446 ], [ %t30, %logic.rend9449 ]
-  br label %logic.rend9450
-logic.rend9450:
-  br label %logic.end9445
-logic.end9445:
-  %t32 = phi i1 [ true, %logic.from9443 ], [ %t31, %logic.rend9450 ]
-  br label %logic.from9451
-logic.from9451:
-  br i1 %t32, label %logic.end9453, label %logic.rhs9452
-logic.rhs9452:
+  br label %logic.rend9953
+logic.rend9953:
+  br label %logic.end9952
+logic.end9952:
+  %t31 = phi i1 [ false, %logic.from9950 ], [ %t30, %logic.rend9953 ]
+  br label %logic.rend9954
+logic.rend9954:
+  br label %logic.end9949
+logic.end9949:
+  %t32 = phi i1 [ true, %logic.from9947 ], [ %t31, %logic.rend9954 ]
+  br label %logic.from9955
+logic.from9955:
+  br i1 %t32, label %logic.end9957, label %logic.rhs9956
+logic.rhs9956:
   %t33 = load i8, ptr %a18
   %t34 = icmp uge i8 %t33, 48
-  br label %logic.from9454
-logic.from9454:
-  br i1 %t34, label %logic.rhs9455, label %logic.end9456
-logic.rhs9455:
+  br label %logic.from9958
+logic.from9958:
+  br i1 %t34, label %logic.rhs9959, label %logic.end9960
+logic.rhs9959:
   %t35 = load i8, ptr %a18
   %t36 = icmp ule i8 %t35, 57
-  br label %logic.rend9457
-logic.rend9457:
-  br label %logic.end9456
-logic.end9456:
-  %t37 = phi i1 [ false, %logic.from9454 ], [ %t36, %logic.rend9457 ]
-  br label %logic.rend9458
-logic.rend9458:
-  br label %logic.end9453
-logic.end9453:
-  %t38 = phi i1 [ true, %logic.from9451 ], [ %t37, %logic.rend9458 ]
-  br label %logic.from9459
-logic.from9459:
-  br i1 %t38, label %logic.end9461, label %logic.rhs9460
-logic.rhs9460:
-  store { ptr, i64, i64 } { ptr @.str.6521, i64 5, i64 0 }, ptr %a39
+  br label %logic.rend9961
+logic.rend9961:
+  br label %logic.end9960
+logic.end9960:
+  %t37 = phi i1 [ false, %logic.from9958 ], [ %t36, %logic.rend9961 ]
+  br label %logic.rend9962
+logic.rend9962:
+  br label %logic.end9957
+logic.end9957:
+  %t38 = phi i1 [ true, %logic.from9955 ], [ %t37, %logic.rend9962 ]
+  br label %logic.from9963
+logic.from9963:
+  br i1 %t38, label %logic.end9965, label %logic.rhs9964
+logic.rhs9964:
+  store { ptr, i64, i64 } { ptr @.str.6739, i64 5, i64 0 }, ptr %a39
   %t41 = load i8, ptr %a18
   call void @finch_str_from_char(ptr %a42, i8 signext %t41)
   %t43 = load { ptr, i64, i64 }, ptr %a42
   store { ptr, i64, i64 } %t43, ptr %a44
   %t45 = call i64 @finch_str_find(ptr %a39, ptr %a44)
   %t46 = icmp sge i64 %t45, 0
-  br label %logic.rend9462
-logic.rend9462:
-  br label %logic.end9461
-logic.end9461:
-  %t47 = phi i1 [ true, %logic.from9459 ], [ %t46, %logic.rend9462 ]
-  br i1 %t47, label %then9463, label %else9464
-then9463:
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  %t49 = load i8, ptr %a18
-  call void @finch_str_from_char(ptr %a50, i8 signext %t49)
-  %t51 = load { ptr, i64, i64 }, ptr %a50
-  %t52 = load i64, ptr %t48
-  %t53 = add i64 %t52, 1
-  call void @finch_arr_reserve(ptr %a9, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t54 = load ptr, ptr %a9
-  %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
-  store { ptr, i64, i64 } %t51, ptr %t55
-  store i64 %t53, ptr %t48
-  br label %endif9465
-else9464:
-  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  %t57 = load i64, ptr %a21
-  %t58 = sdiv i64 %t57, 16
-  %t59 = srem i64 %t58, 16
-  %t60 = load { ptr, i64, i64 }, ptr %a2
-  %t61 = extractvalue { ptr, i64, i64 } %t60, 1
-  %t62 = icmp uge i64 %t59, %t61
-  br i1 %t62, label %range9466, label %inrange9467
-range9466:
-  call void @finch_panic_index(ptr @.str.6524, i64 138, i64 %t59, i64 %t61)
+  store { ptr, i64, i64 } %t43, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %logic.rend9966
+logic.rend9966:
+  br label %logic.end9965
+logic.end9965:
+  %t48 = phi i1 [ true, %logic.from9963 ], [ %t46, %logic.rend9966 ]
+  br i1 %t48, label %then9967, label %else9968
+then9967:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  %t50 = load i8, ptr %a18
+  call void @finch_str_from_char(ptr %a51, i8 signext %t50)
+  %t52 = load { ptr, i64, i64 }, ptr %a51
+  %t53 = load i64, ptr %t49
+  %t54 = add i64 %t53, 1
+  call void @finch_arr_reserve(ptr %a9, i64 %t54, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t55 = load ptr, ptr %a9
+  %t56 = getelementptr inbounds { ptr, i64, i64 }, ptr %t55, i64 %t53
+  store { ptr, i64, i64 } %t52, ptr %t56
+  store i64 %t54, ptr %t49
+  br label %endif9969
+else9968:
+  %t57 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  %t58 = load i64, ptr %a21
+  %t59 = sdiv i64 %t58, 16
+  %t60 = srem i64 %t59, 16
+  %t61 = load { ptr, i64, i64 }, ptr %a2
+  %t62 = extractvalue { ptr, i64, i64 } %t61, 1
+  %t63 = icmp uge i64 %t60, %t62
+  br i1 %t63, label %range9970, label %inrange9971
+range9970:
+  call void @finch_panic_index(ptr @.str.6742, i64 138, i64 %t60, i64 %t62)
   unreachable
-inrange9467:
-  %t63 = extractvalue { ptr, i64, i64 } %t60, 0
-  %t64 = getelementptr inbounds i8, ptr %t63, i64 %t59
-  %t65 = load i8, ptr %t64
-  call void @finch_str_from_char(ptr %a66, i8 signext %t65)
-  %t67 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } { ptr @.str.6523, i64 1, i64 0 }, ptr %a69
-  store { ptr, i64, i64 } %t67, ptr %a70
-  call void @finch_str_concat(ptr %a68, ptr %a69, ptr %a70)
-  %t71 = load { ptr, i64, i64 }, ptr %a68
-  %t72 = load i64, ptr %a21
-  %t73 = srem i64 %t72, 16
-  %t74 = load { ptr, i64, i64 }, ptr %a2
-  %t75 = extractvalue { ptr, i64, i64 } %t74, 1
-  %t76 = icmp uge i64 %t73, %t75
-  br i1 %t76, label %range9468, label %inrange9469
-range9468:
-  call void @finch_panic_index(ptr @.str.6525, i64 138, i64 %t73, i64 %t75)
+inrange9971:
+  %t64 = extractvalue { ptr, i64, i64 } %t61, 0
+  %t65 = getelementptr inbounds i8, ptr %t64, i64 %t60
+  %t66 = load i8, ptr %t65
+  call void @finch_str_from_char(ptr %a67, i8 signext %t66)
+  %t68 = load { ptr, i64, i64 }, ptr %a67
+  store { ptr, i64, i64 } { ptr @.str.6741, i64 1, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } %t68, ptr %a71
+  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
+  store { ptr, i64, i64 } %t68, ptr %a72
+  call void @finch_str_drop(ptr %a72)
+  %t73 = load { ptr, i64, i64 }, ptr %a69
+  %t74 = load i64, ptr %a21
+  %t75 = srem i64 %t74, 16
+  %t76 = load { ptr, i64, i64 }, ptr %a2
+  %t77 = extractvalue { ptr, i64, i64 } %t76, 1
+  %t78 = icmp uge i64 %t75, %t77
+  br i1 %t78, label %range9972, label %inrange9973
+range9972:
+  call void @finch_panic_index(ptr @.str.6743, i64 138, i64 %t75, i64 %t77)
   unreachable
-inrange9469:
-  %t77 = extractvalue { ptr, i64, i64 } %t74, 0
-  %t78 = getelementptr inbounds i8, ptr %t77, i64 %t73
-  %t79 = load i8, ptr %t78
-  call void @finch_str_from_char(ptr %a80, i8 signext %t79)
-  %t81 = load { ptr, i64, i64 }, ptr %a80
-  store { ptr, i64, i64 } %t71, ptr %a83
-  store { ptr, i64, i64 } %t81, ptr %a84
-  call void @finch_str_concat(ptr %a82, ptr %a83, ptr %a84)
-  %t85 = load { ptr, i64, i64 }, ptr %a82
-  %t86 = load i64, ptr %t56
-  %t87 = add i64 %t86, 1
-  call void @finch_arr_reserve(ptr %a9, i64 %t87, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t88 = load ptr, ptr %a9
-  %t89 = getelementptr inbounds { ptr, i64, i64 }, ptr %t88, i64 %t86
-  store { ptr, i64, i64 } %t85, ptr %t89
-  store i64 %t87, ptr %t56
-  br label %endif9465
-endif9465:
-  br label %each.step9437
-each.step9437:
-  %t90 = load i64, ptr %a10
+inrange9973:
+  %t79 = extractvalue { ptr, i64, i64 } %t76, 0
+  %t80 = getelementptr inbounds i8, ptr %t79, i64 %t75
+  %t81 = load i8, ptr %t80
+  call void @finch_str_from_char(ptr %a82, i8 signext %t81)
+  %t83 = load { ptr, i64, i64 }, ptr %a82
+  store { ptr, i64, i64 } %t73, ptr %a85
+  store { ptr, i64, i64 } %t83, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  store { ptr, i64, i64 } %t73, ptr %a87
+  call void @finch_str_drop(ptr %a87)
+  store { ptr, i64, i64 } %t83, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a84
+  %t90 = load i64, ptr %t57
   %t91 = add i64 %t90, 1
-  store i64 %t91, ptr %a10
-  br label %each.cond9435
-each.end9438:
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6526, i64 0, i64 0 }, ptr %a93
-  call void @finch_str_join(ptr %a94, ptr %a9, ptr %a93)
-  %t95 = load { ptr, i64, i64 }, ptr %a94
-  ret { ptr, i64, i64 } %t95
+  call void @finch_arr_reserve(ptr %a9, i64 %t91, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t92 = load ptr, ptr %a9
+  %t93 = getelementptr inbounds { ptr, i64, i64 }, ptr %t92, i64 %t90
+  store { ptr, i64, i64 } %t89, ptr %t93
+  store i64 %t91, ptr %t57
+  br label %endif9969
+endif9969:
+  br label %each.step9941
+each.step9941:
+  %t94 = load i64, ptr %a10
+  %t95 = add i64 %t94, 1
+  store i64 %t95, ptr %a10
+  br label %each.cond9939
+each.end9942:
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.6744, i64 0, i64 0 }, ptr %a97
+  call void @finch_str_join(ptr %a98, ptr %a9, ptr %a97)
+  %t99 = load { ptr, i64, i64 }, ptr %a98
+  call void @finch.drop.arr_str(ptr %a9)
+  call void @finch_str_drop(ptr %a2)
+  ret { ptr, i64, i64 } %t99
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.unesc({ ptr, i64, i64 } %p0) {
@@ -85317,80 +102407,80 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   store i64 0, ptr %a3
-  br label %while.cond9470
-while.cond9470:
+  br label %while.cond9974
+while.cond9974:
   %t4 = load i64, ptr %a3
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = icmp slt i64 %t4, %t6
-  br i1 %t7, label %while.body9471, label %while.end9472
-while.body9471:
+  br i1 %t7, label %while.body9975, label %while.end9976
+while.body9975:
   %t8 = load i64, ptr %a3
   %t9 = load { ptr, i64, i64 }, ptr %a1
   %t10 = extractvalue { ptr, i64, i64 } %t9, 1
   %t11 = icmp uge i64 %t8, %t10
-  br i1 %t11, label %range9473, label %inrange9474
-range9473:
-  call void @finch_panic_index(ptr @.str.6527, i64 149, i64 %t8, i64 %t10)
+  br i1 %t11, label %range9977, label %inrange9978
+range9977:
+  call void @finch_panic_index(ptr @.str.6745, i64 149, i64 %t8, i64 %t10)
   unreachable
-inrange9474:
+inrange9978:
   %t12 = extractvalue { ptr, i64, i64 } %t9, 0
   %t13 = getelementptr inbounds i8, ptr %t12, i64 %t8
   %t14 = load i8, ptr %t13
   %t15 = icmp eq i8 %t14, 92
-  br label %logic.from9475
-logic.from9475:
-  br i1 %t15, label %logic.rhs9476, label %logic.end9477
-logic.rhs9476:
+  br label %logic.from9979
+logic.from9979:
+  br i1 %t15, label %logic.rhs9980, label %logic.end9981
+logic.rhs9980:
   %t16 = load i64, ptr %a3
   %t17 = add i64 %t16, 1
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp slt i64 %t17, %t19
-  br label %logic.rend9478
-logic.rend9478:
-  br label %logic.end9477
-logic.end9477:
-  %t21 = phi i1 [ false, %logic.from9475 ], [ %t20, %logic.rend9478 ]
-  br i1 %t21, label %then9479, label %else9480
-then9479:
+  br label %logic.rend9982
+logic.rend9982:
+  br label %logic.end9981
+logic.end9981:
+  %t21 = phi i1 [ false, %logic.from9979 ], [ %t20, %logic.rend9982 ]
+  br i1 %t21, label %then9983, label %else9984
+then9983:
   %t22 = load i64, ptr %a3
   %t23 = add i64 %t22, 1
   %t24 = load { ptr, i64, i64 }, ptr %a1
   %t25 = extractvalue { ptr, i64, i64 } %t24, 1
   %t26 = icmp uge i64 %t23, %t25
-  br i1 %t26, label %range9482, label %inrange9483
-range9482:
-  call void @finch_panic_index(ptr @.str.6528, i64 150, i64 %t23, i64 %t25)
+  br i1 %t26, label %range9986, label %inrange9987
+range9986:
+  call void @finch_panic_index(ptr @.str.6746, i64 150, i64 %t23, i64 %t25)
   unreachable
-inrange9483:
+inrange9987:
   %t27 = extractvalue { ptr, i64, i64 } %t24, 0
   %t28 = getelementptr inbounds i8, ptr %t27, i64 %t23
   %t29 = load i8, ptr %t28
   %t30 = icmp eq i8 %t29, 110
-  br i1 %t30, label %then9484, label %else9485
-then9484:
+  br i1 %t30, label %then9988, label %else9989
+then9988:
   %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t32 = load i64, ptr %t31
   %t33 = add i64 %t32, 1
   call void @finch_arr_reserve(ptr %a2, i64 %t33, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t34 = load ptr, ptr %a2
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i64 %t32
-  store { ptr, i64, i64 } { ptr @.str.6529, i64 1, i64 0 }, ptr %t35
+  store { ptr, i64, i64 } { ptr @.str.6747, i64 1, i64 0 }, ptr %t35
   store i64 %t33, ptr %t31
-  br label %endif9486
-else9485:
+  br label %endif9990
+else9989:
   %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t37 = load i64, ptr %a3
   %t38 = add i64 %t37, 1
   %t39 = load { ptr, i64, i64 }, ptr %a1
   %t40 = extractvalue { ptr, i64, i64 } %t39, 1
   %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range9487, label %inrange9488
-range9487:
-  call void @finch_panic_index(ptr @.str.6530, i64 153, i64 %t38, i64 %t40)
+  br i1 %t41, label %range9991, label %inrange9992
+range9991:
+  call void @finch_panic_index(ptr @.str.6748, i64 153, i64 %t38, i64 %t40)
   unreachable
-inrange9488:
+inrange9992:
   %t42 = extractvalue { ptr, i64, i64 } %t39, 0
   %t43 = getelementptr inbounds i8, ptr %t42, i64 %t38
   %t44 = load i8, ptr %t43
@@ -85403,23 +102493,23 @@ inrange9488:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t47
   store { ptr, i64, i64 } %t46, ptr %t50
   store i64 %t48, ptr %t36
-  br label %endif9486
-endif9486:
+  br label %endif9990
+endif9990:
   %t51 = load i64, ptr %a3
   %t52 = add i64 %t51, 2
   store i64 %t52, ptr %a3
-  br label %endif9481
-else9480:
+  br label %endif9985
+else9984:
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t54 = load i64, ptr %a3
   %t55 = load { ptr, i64, i64 }, ptr %a1
   %t56 = extractvalue { ptr, i64, i64 } %t55, 1
   %t57 = icmp uge i64 %t54, %t56
-  br i1 %t57, label %range9489, label %inrange9490
-range9489:
-  call void @finch_panic_index(ptr @.str.6531, i64 157, i64 %t54, i64 %t56)
+  br i1 %t57, label %range9993, label %inrange9994
+range9993:
+  call void @finch_panic_index(ptr @.str.6749, i64 157, i64 %t54, i64 %t56)
   unreachable
-inrange9490:
+inrange9994:
   %t58 = extractvalue { ptr, i64, i64 } %t55, 0
   %t59 = getelementptr inbounds i8, ptr %t58, i64 %t54
   %t60 = load i8, ptr %t59
@@ -85435,14 +102525,15 @@ inrange9490:
   %t67 = load i64, ptr %a3
   %t68 = add i64 %t67, 1
   store i64 %t68, ptr %a3
-  br label %endif9481
-endif9481:
-  br label %while.cond9470
-while.end9472:
+  br label %endif9985
+endif9985:
+  br label %while.cond9974
+while.end9976:
   %t69 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6532, i64 0, i64 0 }, ptr %a70
+  store { ptr, i64, i64 } { ptr @.str.6750, i64 0, i64 0 }, ptr %a70
   call void @finch_str_join(ptr %a71, ptr %a2, ptr %a70)
   %t72 = load { ptr, i64, i64 }, ptr %a71
+  call void @finch.drop.arr_str(ptr %a2)
   ret { ptr, i64, i64 } %t72
 }
 
@@ -85461,46 +102552,48 @@ entry:
   store i64 %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6534, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.6752, i64 1, i64 0 }, ptr %a6
   call void @finch_str_split(ptr %a7, ptr %a4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
   %t10 = load i64, ptr %a2
   %t11 = icmp sge i64 %t10, 1
-  br label %logic.from9491
-logic.from9491:
-  br i1 %t11, label %logic.rhs9492, label %logic.end9493
-logic.rhs9492:
+  br label %logic.from9995
+logic.from9995:
+  br i1 %t11, label %logic.rhs9996, label %logic.end9997
+logic.rhs9996:
   %t12 = load i64, ptr %a2
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sle i64 %t12, %t14
-  br label %logic.rend9494
-logic.rend9494:
-  br label %logic.end9493
-logic.end9493:
-  %t16 = phi i1 [ false, %logic.from9491 ], [ %t15, %logic.rend9494 ]
-  br i1 %t16, label %then9495, label %endif9497
-then9495:
+  br label %logic.rend9998
+logic.rend9998:
+  br label %logic.end9997
+logic.end9997:
+  %t16 = phi i1 [ false, %logic.from9995 ], [ %t15, %logic.rend9998 ]
+  br i1 %t16, label %then9999, label %endif10001
+then9999:
   %t17 = load i64, ptr %a2
   %t18 = sub i64 %t17, 1
   %t19 = load { ptr, i64, i64 }, ptr %a9
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range9498, label %inrange9499
-range9498:
-  call void @finch_panic_index(ptr @.str.6535, i64 167, i64 %t18, i64 %t20)
+  br i1 %t21, label %range10002, label %inrange10003
+range10002:
+  call void @finch_panic_index(ptr @.str.6753, i64 167, i64 %t18, i64 %t20)
   unreachable
-inrange9499:
+inrange10003:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %t22, i64 %t18
   %t24 = load { ptr, i64, i64 }, ptr %t23
   store { ptr, i64, i64 } %t24, ptr %a25
   call void @finch_str_copy(ptr %a26, ptr %a25)
   %t27 = load { ptr, i64, i64 }, ptr %a26
+  call void @finch.drop.arr_str(ptr %a9)
   ret { ptr, i64, i64 } %t27
-endif9497:
-  ret { ptr, i64, i64 } { ptr @.str.6536, i64 0, i64 0 }
+endif10001:
+  call void @finch.drop.arr_str(ptr %a9)
+  ret { ptr, i64, i64 } { ptr @.str.6754, i64 0, i64 0 }
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.readLine() {
@@ -85516,26 +102609,26 @@ entry:
   %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a34 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } zeroinitializer, ptr %a1
-  br label %while.cond9500
-while.cond9500:
-  br label %while.body9501
-while.body9501:
+  br label %while.cond10004
+while.cond10004:
+  br label %while.body10005
+while.body10005:
   %t2 = call i32 @getchar()
   store i32 %t2, ptr %a3
   %t4 = load i32, ptr %a3
   %t5 = icmp slt i32 %t4, 0
-  br i1 %t5, label %then9503, label %endif9505
-then9503:
-  ret { ptr, i64, i64 } { ptr @.str.6537, i64 0, i64 0 }
-endif9505:
+  br i1 %t5, label %then10007, label %endif10009
+then10007:
+  call void @finch.drop.arr_u8(ptr %a1)
+  ret { ptr, i64, i64 } { ptr @.str.6755, i64 0, i64 0 }
+endif10009:
   %t6 = load i32, ptr %a3
   %t7 = icmp eq i32 %t6, 10
-  br i1 %t7, label %then9506, label %endif9508
-then9506:
-  br label %while.end9502
-endif9508:
+  br i1 %t7, label %then10010, label %endif10012
+then10010:
+  br label %while.end10006
+endif10012:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t9 = load i32, ptr %a3
   %t10 = trunc i32 %t9 to i8
@@ -85546,8 +102639,8 @@ endif9508:
   %t14 = getelementptr inbounds i8, ptr %t13, i64 %t11
   store i8 %t10, ptr %t14
   store i64 %t12, ptr %t8
-  br label %while.cond9500
-while.end9502:
+  br label %while.cond10004
+while.end10006:
   %t15 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } zeroinitializer, ptr %a16
   store { ptr, i64, i64 } %t15, ptr %a17
@@ -85556,26 +102649,27 @@ while.end9502:
   store { ptr, i64, i64 } %t18, ptr %a19
   %t20 = load { ptr, i64, i64 }, ptr %a19
   store { ptr, i64, i64 } %t20, ptr %a21
-  store { ptr, i64, i64 } { ptr @.str.6539, i64 1, i64 0 }, ptr %a23
+  store { ptr, i64, i64 } { ptr @.str.6757, i64 1, i64 0 }, ptr %a23
   %t24 = call i32 @finch_str_ends(ptr %a21, ptr %a23)
   %t25 = icmp ne i32 %t24, 0
-  br i1 %t25, label %then9509, label %endif9511
-then9509:
+  br i1 %t25, label %then10013, label %endif10015
+then10013:
   %t26 = load { ptr, i64, i64 }, ptr %a19
   store { ptr, i64, i64 } %t26, ptr %a27
   %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a19, i32 0, i32 1
   %t30 = load i64, ptr %t29
   %t31 = sub i64 %t30, 1
-  call void @finch_str_sub(ptr %a28, ptr %a27, i64 0, i64 %t31, ptr @.str.6540, i64 188)
+  call void @finch_str_sub(ptr %a28, ptr %a27, i64 0, i64 %t31, ptr @.str.6758, i64 188)
   %t32 = load { ptr, i64, i64 }, ptr %a28
-  store { ptr, i64, i64 } %t32, ptr %a19
-  br label %endif9511
-endif9511:
   %t33 = load { ptr, i64, i64 }, ptr %a19
+  store { ptr, i64, i64 } %t32, ptr %a19
   store { ptr, i64, i64 } %t33, ptr %a34
-  call void @finch_str_copy(ptr %a35, ptr %a34)
-  %t36 = load { ptr, i64, i64 }, ptr %a35
-  ret { ptr, i64, i64 } %t36
+  call void @finch_str_drop(ptr %a34)
+  br label %endif10015
+endif10015:
+  %t35 = load { ptr, i64, i64 }, ptr %a19
+  call void @finch.drop.arr_u8(ptr %a1)
+  ret { ptr, i64, i64 } %t35
 }
 
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.lsp.readMessage() {
@@ -85590,133 +102684,150 @@ entry:
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca i64, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca i64, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a37 = alloca { ptr, i64, i64 }, align 16
-  %a39 = alloca i64, align 16
-  %a43 = alloca i32, align 16
-  %a57 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a41 = alloca i64, align 16
+  %a45 = alloca i32, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   store i64 0, ptr %a1
-  br label %while.cond9512
-while.cond9512:
-  br label %while.body9513
-while.body9513:
+  br label %while.cond10016
+while.cond10016:
+  br label %while.body10017
+while.body10017:
   %t2 = call { ptr, i64, i64 } @finch.lsp.readLine()
   store { ptr, i64, i64 } %t2, ptr %a3
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = icmp eq i64 %t5, 0
-  br i1 %t6, label %then9515, label %endif9517
-then9515:
+  br i1 %t6, label %then10019, label %endif10021
+then10019:
   %t7 = load i64, ptr %a1
   %t8 = icmp sgt i64 %t7, 0
-  br i1 %t8, label %then9518, label %endif9520
-then9518:
-  br label %while.end9514
-endif9520:
+  br i1 %t8, label %then10022, label %endif10024
+then10022:
+  call void @finch_str_drop(ptr %a3)
+  br label %while.end10018
+endif10024:
   %t9 = load ptr, ptr @stdin
   %t10 = call i32 @feof(ptr %t9)
   %t11 = icmp ne i32 %t10, 0
-  br i1 %t11, label %then9521, label %endif9523
-then9521:
-  %t12 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6541, i64 32, i64 0 }, 2
+  br i1 %t11, label %then10025, label %endif10027
+then10025:
+  call void @finch_str_drop(ptr %a3)
+  %t12 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6759, i64 32, i64 0 }, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t12
-endif9523:
-  br label %while.cond9512
-endif9517:
+endif10027:
+  call void @finch_str_drop(ptr %a3)
+  br label %while.cond10016
+endif10021:
   %t13 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t13, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.6543, i64 15, i64 0 }, ptr %a16
+  store { ptr, i64, i64 } { ptr @.str.6761, i64 15, i64 0 }, ptr %a16
   %t17 = call i32 @finch_str_starts(ptr %a14, ptr %a16)
   %t18 = icmp ne i32 %t17, 0
-  br i1 %t18, label %then9524, label %endif9526
-then9524:
+  br i1 %t18, label %then10028, label %endif10030
+then10028:
   %t19 = load { ptr, i64, i64 }, ptr %a3
   store { ptr, i64, i64 } %t19, ptr %a20
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
   %t23 = load i64, ptr %t22
-  call void @finch_str_sub(ptr %a21, ptr %a20, i64 15, i64 %t23, ptr @.str.6544, i64 208)
+  call void @finch_str_sub(ptr %a21, ptr %a20, i64 15, i64 %t23, ptr @.str.6762, i64 208)
   %t24 = load { ptr, i64, i64 }, ptr %a21
   store { ptr, i64, i64 } %t24, ptr %a25
   call void @finch_str_trim(ptr %a26, ptr %a25)
   %t27 = load { ptr, i64, i64 }, ptr %a26
-  store { ptr, i64, i64 } zeroinitializer, ptr %a28
-  store i64 0, ptr %a29
-  store { ptr, i64, i64 } %t27, ptr %a30
-  %t31 = call i32 @finch_str_try_int(ptr %a30, ptr %a29, ptr %a28)
-  %t32 = icmp eq i32 %t31, 0
-  %t33 = load { ptr, i64, i64 }, ptr %a28
-  %t34 = load i64, ptr %a29
-  br i1 %t32, label %or.failed9527, label %or.ok9528
-or.failed9527:
-  store { ptr, i64, i64 } %t33, ptr %a35
-  br label %or.bend9529
-or.bend9529:
-  br label %or.end9530
-or.ok9528:
-  br label %or.end9530
-or.end9530:
-  %t36 = phi i64 [ 0, %or.bend9529 ], [ %t34, %or.ok9528 ]
-  store i64 %t36, ptr %a1
-  br label %endif9526
-endif9526:
-  br label %while.cond9512
-while.end9514:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a37
-  %t38 = load i64, ptr %a1
-  store i64 0, ptr %a39
-  br label %for.cond9531
-for.cond9531:
-  %t40 = load i64, ptr %a39
-  %t41 = icmp slt i64 %t40, %t38
-  br i1 %t41, label %for.body9532, label %for.end9534
-for.body9532:
-  %t42 = call i32 @getchar()
-  store i32 %t42, ptr %a43
-  %t44 = load i32, ptr %a43
-  %t45 = icmp slt i32 %t44, 0
-  br i1 %t45, label %then9535, label %endif9537
-then9535:
-  %t46 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6546, i64 25, i64 0 }, 2
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t46
-endif9537:
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %a37, i32 0, i32 1
-  %t48 = load i32, ptr %a43
-  %t49 = trunc i32 %t48 to i8
-  %t50 = load i64, ptr %t47
-  %t51 = add i64 %t50, 1
-  call void @finch_arr_reserve(ptr %a37, i64 %t51, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
-  %t52 = load ptr, ptr %a37
-  %t53 = getelementptr inbounds i8, ptr %t52, i64 %t50
-  store i8 %t49, ptr %t53
-  store i64 %t51, ptr %t47
-  br label %for.step9533
-for.step9533:
-  %t54 = load i64, ptr %a39
-  %t55 = add i64 %t54, 1
-  store i64 %t55, ptr %a39
-  br label %for.cond9531
-for.end9534:
-  %t56 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } zeroinitializer, ptr %a57
-  store { ptr, i64, i64 } %t56, ptr %a58
-  call void @finch_str_from_bytes(ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a57
-  %t60 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.parse({ ptr, i64, i64 } %t59)
-  %t61 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t60, 0
-  %t62 = xor i1 %t61, true
-  %t63 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t60, 2
-  %t64 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t60, 1
-  br i1 %t62, label %try.failed9538, label %try.ok9539
-try.failed9538:
-  %t65 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t63, 2
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t65
-try.ok9539:
-  %t66 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t67 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t66, %S.json.Json %t64, 1
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t67
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  store { ptr, i64, i64 } zeroinitializer, ptr %a29
+  store i64 0, ptr %a30
+  store { ptr, i64, i64 } %t27, ptr %a31
+  %t32 = call i32 @finch_str_try_int(ptr %a31, ptr %a30, ptr %a29)
+  %t33 = icmp eq i32 %t32, 0
+  %t34 = load { ptr, i64, i64 }, ptr %a29
+  store { ptr, i64, i64 } %t27, ptr %a35
+  call void @finch_str_drop(ptr %a35)
+  %t36 = load i64, ptr %a30
+  br i1 %t33, label %or.failed10031, label %or.ok10032
+or.failed10031:
+  store { ptr, i64, i64 } %t34, ptr %a37
+  call void @finch_str_drop(ptr %a37)
+  br label %or.bend10033
+or.bend10033:
+  br label %or.end10034
+or.ok10032:
+  br label %or.end10034
+or.end10034:
+  %t38 = phi i64 [ 0, %or.bend10033 ], [ %t36, %or.ok10032 ]
+  store i64 %t38, ptr %a1
+  br label %endif10030
+endif10030:
+  call void @finch_str_drop(ptr %a3)
+  br label %while.cond10016
+while.end10018:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a39
+  %t40 = load i64, ptr %a1
+  store i64 0, ptr %a41
+  br label %for.cond10035
+for.cond10035:
+  %t42 = load i64, ptr %a41
+  %t43 = icmp slt i64 %t42, %t40
+  br i1 %t43, label %for.body10036, label %for.end10038
+for.body10036:
+  %t44 = call i32 @getchar()
+  store i32 %t44, ptr %a45
+  %t46 = load i32, ptr %a45
+  %t47 = icmp slt i32 %t46, 0
+  br i1 %t47, label %then10039, label %endif10041
+then10039:
+  call void @finch.drop.arr_u8(ptr %a39)
+  %t48 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } { ptr @.str.6764, i64 25, i64 0 }, 2
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t48
+endif10041:
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %a39, i32 0, i32 1
+  %t50 = load i32, ptr %a45
+  %t51 = trunc i32 %t50 to i8
+  %t52 = load i64, ptr %t49
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %a39, i64 %t53, i64 ptrtoint (ptr getelementptr (i8, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %a39
+  %t55 = getelementptr inbounds i8, ptr %t54, i64 %t52
+  store i8 %t51, ptr %t55
+  store i64 %t53, ptr %t49
+  br label %for.step10037
+for.step10037:
+  %t56 = load i64, ptr %a41
+  %t57 = add i64 %t56, 1
+  store i64 %t57, ptr %a41
+  br label %for.cond10035
+for.end10038:
+  %t58 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } zeroinitializer, ptr %a59
+  store { ptr, i64, i64 } %t58, ptr %a60
+  call void @finch_str_from_bytes(ptr %a59, ptr %a60)
+  %t61 = load { ptr, i64, i64 }, ptr %a59
+  %t62 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.parse({ ptr, i64, i64 } %t61)
+  %t63 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t62, 0
+  %t64 = xor i1 %t63, true
+  %t65 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t62, 2
+  %t66 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t62, 1
+  store { ptr, i64, i64 } %t61, ptr %a67
+  call void @finch_str_drop(ptr %a67)
+  br i1 %t64, label %try.failed10042, label %try.ok10043
+try.failed10042:
+  call void @finch.drop.arr_u8(ptr %a39)
+  %t68 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t65, 2
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t68
+try.ok10043:
+  call void @finch.drop.arr_u8(ptr %a39)
+  %t69 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t70 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t69, %S.json.Json %t66, 1
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t70
 }
 
 define internal void @finch.lsp.send(%S.json.Json %p0) {
@@ -85727,14 +102838,16 @@ entry:
   %a9 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
+  %a12 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
-  %a20 = alloca { ptr, i64, i64 }, align 16
-  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   %a22 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
   %a24 = alloca { ptr, i64, i64 }, align 16
+  %a26 = alloca { ptr, i64, i64 }, align 16
   store %S.json.Json %p0, ptr %a1
   %t2 = load %S.json.Json, ptr %a1
   %t3 = call { ptr, i64, i64 } @finch.json.stringify(%S.json.Json %t2)
@@ -85743,32 +102856,75 @@ entry:
   %t6 = load i64, ptr %t5
   call void @finch_str_from_int(ptr %a7, i64 %t6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.6547, i64 16, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.6765, i64 16, i64 0 }, ptr %a10
   store { ptr, i64, i64 } %t8, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
-  %t12 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } %t12, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.6548, i64 4, i64 0 }, ptr %a15
-  call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  store { ptr, i64, i64 } %t16, ptr %a17
-  %t18 = load { ptr, i64, i64 }, ptr %a17
-  %t19 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t18, ptr %a21
-  store { ptr, i64, i64 } %t19, ptr %a22
-  call void @finch_str_concat(ptr %a20, ptr %a21, ptr %a22)
-  %t23 = load { ptr, i64, i64 }, ptr %a20
-  store { ptr, i64, i64 } %t23, ptr %a24
-  %t25 = load { ptr, i64, i64 }, ptr %a24
-  %t26 = extractvalue { ptr, i64, i64 } %t25, 0
-  %t27 = icmp eq ptr %t26, null
-  %t28 = select i1 %t27, ptr @.str.6549, ptr %t26
-  %t29 = getelementptr inbounds { ptr, i64, i64 }, ptr %a24, i32 0, i32 1
-  %t30 = load i64, ptr %t29
-  %t31 = load ptr, ptr @stdout
-  %t32 = call i64 @fwrite(ptr %t28, i64 1, i64 %t30, ptr %t31)
+  store { ptr, i64, i64 } %t8, ptr %a12
+  call void @finch_str_drop(ptr %a12)
+  %t13 = load { ptr, i64, i64 }, ptr %a9
+  store { ptr, i64, i64 } %t13, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.6766, i64 4, i64 0 }, ptr %a16
+  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
+  store { ptr, i64, i64 } %t13, ptr %a17
+  call void @finch_str_drop(ptr %a17)
+  %t18 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t18, ptr %a19
+  %t20 = load { ptr, i64, i64 }, ptr %a19
+  %t21 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t20, ptr %a23
+  store { ptr, i64, i64 } %t21, ptr %a24
+  call void @finch_str_concat(ptr %a22, ptr %a23, ptr %a24)
+  %t25 = load { ptr, i64, i64 }, ptr %a22
+  store { ptr, i64, i64 } %t25, ptr %a26
+  %t27 = load { ptr, i64, i64 }, ptr %a26
+  %t28 = extractvalue { ptr, i64, i64 } %t27, 0
+  %t29 = icmp eq ptr %t28, null
+  %t30 = select i1 %t29, ptr @.str.6767, ptr %t28
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %a26, i32 0, i32 1
+  %t32 = load i64, ptr %t31
   %t33 = load ptr, ptr @stdout
-  %t34 = call i32 @fflush(ptr %t33)
+  %t34 = call i64 @fwrite(ptr %t30, i64 1, i64 %t32, ptr %t33)
+  %t35 = load ptr, ptr @stdout
+  %t36 = call i32 @fflush(ptr %t35)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a19)
+  call void @finch_str_drop(ptr %a4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_json_Json(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10044
+n.cond10044:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10045, label %n.end10046
+n.body10045:
+  %t7 = getelementptr inbounds %S.json.Json, ptr %t1, i64 %t5
+  call void @finch.drop.S_json_Json(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10044
+n.end10046:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_json_Json(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.json.Json, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.json.Json, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_S_json_Json(ptr %t2)
+  %t3 = getelementptr inbounds %S.json.Json, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t3)
   ret void
 }
 
@@ -85777,18 +102933,22 @@ entry:
   %a1 = alloca %S.json.Json, align 16
   %a2 = alloca %S.json.Json, align 16
   %a4 = alloca %S.json.Json, align 16
+  %a6 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
   store %S.json.Json %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t3, ptr %a4
-  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6551, i64 3, i64 0 })
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6550, i64 7, i64 0 }, %S.json.Json %t5)
-  %t6 = load %S.json.Json, ptr %a1
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6552, i64 2, i64 0 }, %S.json.Json %t6)
-  %t7 = load %S.json.Json, ptr %a2
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6553, i64 6, i64 0 }, %S.json.Json %t7)
-  %t8 = load %S.json.Json, ptr %a4
-  call void @finch.lsp.send(%S.json.Json %t8)
+  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6769, i64 3, i64 0 })
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6768, i64 7, i64 0 }, %S.json.Json %t5)
+  store %S.json.Json %t5, ptr %a6
+  call void @finch.drop.S_json_Json(ptr %a6)
+  %t7 = load %S.json.Json, ptr %a1
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6770, i64 2, i64 0 }, %S.json.Json %t7)
+  %t8 = load %S.json.Json, ptr %a2
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6771, i64 6, i64 0 }, %S.json.Json %t8)
+  %t9 = load %S.json.Json, ptr %a4
+  call void @finch.lsp.send(%S.json.Json %t9)
+  call void @finch.drop.S_json_Json(ptr %a4)
   ret void
 }
 
@@ -85797,19 +102957,26 @@ entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a2 = alloca %S.json.Json, align 16
   %a4 = alloca %S.json.Json, align 16
+  %a6 = alloca %S.json.Json, align 16
+  %a9 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.json.Json %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t3, ptr %a4
-  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6555, i64 3, i64 0 })
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6554, i64 7, i64 0 }, %S.json.Json %t5)
-  %t6 = load { ptr, i64, i64 }, ptr %a1
-  %t7 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t6)
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6556, i64 6, i64 0 }, %S.json.Json %t7)
-  %t8 = load %S.json.Json, ptr %a2
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6557, i64 6, i64 0 }, %S.json.Json %t8)
-  %t9 = load %S.json.Json, ptr %a4
-  call void @finch.lsp.send(%S.json.Json %t9)
+  %t5 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6773, i64 3, i64 0 })
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6772, i64 7, i64 0 }, %S.json.Json %t5)
+  store %S.json.Json %t5, ptr %a6
+  call void @finch.drop.S_json_Json(ptr %a6)
+  %t7 = load { ptr, i64, i64 }, ptr %a1
+  %t8 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t7)
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6774, i64 6, i64 0 }, %S.json.Json %t8)
+  store %S.json.Json %t8, ptr %a9
+  call void @finch.drop.S_json_Json(ptr %a9)
+  %t10 = load %S.json.Json, ptr %a2
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6775, i64 6, i64 0 }, %S.json.Json %t10)
+  %t11 = load %S.json.Json, ptr %a4
+  call void @finch.lsp.send(%S.json.Json %t11)
+  call void @finch.drop.S_json_Json(ptr %a4)
   ret void
 }
 
@@ -85823,71 +102990,29 @@ entry:
   ret %S.json.Json %t4
 }
 
-define internal void @finch.copy.arr_S_json_Json(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9540
-n.cond9540:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9541, label %n.end9542
-n.body9541:
-  %t8 = getelementptr inbounds %S.json.Json, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.json.Json, ptr %t2, i64 %t6
-  call void @finch.copy.S_json_Json(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9540
-n.end9542:
-  ret void
-}
-
-define internal void @finch.copy.S_json_Json(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.json.Json, ptr %src
-  store %S.json.Json %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 3
-  %t3 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 3
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 4
-  %t5 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 4
-  call void @finch.copy.arr_S_json_Json(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 5
-  %t7 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t6, ptr %t7)
-  ret void
-}
-
 define internal %S.json.Json @finch.lsp.position(i64 %p0, i64 %p1) {
 entry:
   %a1 = alloca i64, align 16
   %a2 = alloca i64, align 16
   %a4 = alloca %S.json.Json, align 16
+  %a7 = alloca %S.json.Json, align 16
   %a10 = alloca %S.json.Json, align 16
-  %a11 = alloca %S.json.Json, align 16
   store i64 %p0, ptr %a1
   store i64 %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t3, ptr %a4
   %t5 = load i64, ptr %a1
   %t6 = call %S.json.Json @finch.lsp.num(i64 %t5)
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6558, i64 4, i64 0 }, %S.json.Json %t6)
-  %t7 = load i64, ptr %a2
-  %t8 = call %S.json.Json @finch.lsp.num(i64 %t7)
-  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6559, i64 9, i64 0 }, %S.json.Json %t8)
-  %t9 = load %S.json.Json, ptr %a4
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6776, i64 4, i64 0 }, %S.json.Json %t6)
+  store %S.json.Json %t6, ptr %a7
+  call void @finch.drop.S_json_Json(ptr %a7)
+  %t8 = load i64, ptr %a2
+  %t9 = call %S.json.Json @finch.lsp.num(i64 %t8)
+  call void @finch.json.Json.set(ptr %a4, { ptr, i64, i64 } { ptr @.str.6777, i64 9, i64 0 }, %S.json.Json %t9)
   store %S.json.Json %t9, ptr %a10
-  call void @finch.copy.S_json_Json(ptr %a11, ptr %a10)
-  %t12 = load %S.json.Json, ptr %a11
-  ret %S.json.Json %t12
+  call void @finch.drop.S_json_Json(ptr %a10)
+  %t11 = load %S.json.Json, ptr %a4
+  ret %S.json.Json %t11
 }
 
 define internal %S.json.Json @finch.lsp.range(i64 %p0, i64 %p1, i64 %p2) {
@@ -85896,8 +103021,8 @@ entry:
   %a2 = alloca i64, align 16
   %a3 = alloca i64, align 16
   %a5 = alloca %S.json.Json, align 16
+  %a9 = alloca %S.json.Json, align 16
   %a13 = alloca %S.json.Json, align 16
-  %a14 = alloca %S.json.Json, align 16
   store i64 %p0, ptr %a1
   store i64 %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -85906,16 +103031,17 @@ entry:
   %t6 = load i64, ptr %a1
   %t7 = load i64, ptr %a2
   %t8 = call %S.json.Json @finch.lsp.position(i64 %t6, i64 %t7)
-  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6560, i64 5, i64 0 }, %S.json.Json %t8)
-  %t9 = load i64, ptr %a1
-  %t10 = load i64, ptr %a3
-  %t11 = call %S.json.Json @finch.lsp.position(i64 %t9, i64 %t10)
-  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6561, i64 3, i64 0 }, %S.json.Json %t11)
-  %t12 = load %S.json.Json, ptr %a5
+  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6778, i64 5, i64 0 }, %S.json.Json %t8)
+  store %S.json.Json %t8, ptr %a9
+  call void @finch.drop.S_json_Json(ptr %a9)
+  %t10 = load i64, ptr %a1
+  %t11 = load i64, ptr %a3
+  %t12 = call %S.json.Json @finch.lsp.position(i64 %t10, i64 %t11)
+  call void @finch.json.Json.set(ptr %a5, { ptr, i64, i64 } { ptr @.str.6779, i64 3, i64 0 }, %S.json.Json %t12)
   store %S.json.Json %t12, ptr %a13
-  call void @finch.copy.S_json_Json(ptr %a14, ptr %a13)
-  %t15 = load %S.json.Json, ptr %a14
-  ret %S.json.Json %t15
+  call void @finch.drop.S_json_Json(ptr %a13)
+  %t14 = load %S.json.Json, ptr %a5
+  ret %S.json.Json %t14
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.splitTabs({ ptr, i64, i64 } %p0) {
@@ -85928,7 +103054,7 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6563, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6781, i64 1, i64 0 }, ptr %a5
   call void @finch_str_split(ptr %a6, ptr %a3, ptr %a5)
   %t7 = load { ptr, i64, i64 }, ptr %a6
   ret { ptr, i64, i64 } %t7
@@ -85950,16 +103076,17 @@ entry:
   %t7 = icmp eq i32 %t6, 0
   %t8 = load { ptr, i64, i64 }, ptr %a3
   %t9 = load i64, ptr %a4
-  br i1 %t7, label %or.failed9543, label %or.ok9544
-or.failed9543:
+  br i1 %t7, label %or.failed10047, label %or.ok10048
+or.failed10047:
   store { ptr, i64, i64 } %t8, ptr %a10
-  br label %or.bend9545
-or.bend9545:
-  br label %or.end9546
-or.ok9544:
-  br label %or.end9546
-or.end9546:
-  %t11 = phi i64 [ 0, %or.bend9545 ], [ %t9, %or.ok9544 ]
+  call void @finch_str_drop(ptr %a10)
+  br label %or.bend10049
+or.bend10049:
+  br label %or.end10050
+or.ok10048:
+  br label %or.end10050
+or.end10050:
+  %t11 = phi i64 [ 0, %or.bend10049 ], [ %t9, %or.ok10048 ]
   ret i64 %t11
 }
 
@@ -85994,19 +103121,19 @@ entry:
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
-  store { ptr, i64, i64 } { ptr @.str.6565, i64 9, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.6783, i64 9, i64 0 }, ptr %a5
   %t6 = call i64 @finch_str_find(ptr %a3, ptr %a5)
   store i64 %t6, ptr %a7
   %t8 = load i64, ptr %a7
   %t9 = icmp slt i64 %t8, 0
-  br i1 %t9, label %then9547, label %endif9549
-then9547:
+  br i1 %t9, label %then10051, label %endif10053
+then10051:
   ret %S.lsp.Diag zeroinitializer
-endif9549:
+endif10053:
   %t10 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t10, ptr %a11
   %t13 = load i64, ptr %a7
-  call void @finch_str_sub(ptr %a12, ptr %a11, i64 0, i64 %t13, ptr @.str.6566, i64 280)
+  call void @finch_str_sub(ptr %a12, ptr %a11, i64 0, i64 %t13, ptr @.str.6784, i64 280)
   %t14 = load { ptr, i64, i64 }, ptr %a12
   store { ptr, i64, i64 } %t14, ptr %a15
   %t16 = load { ptr, i64, i64 }, ptr %a1
@@ -86015,33 +103142,36 @@ endif9549:
   %t20 = add i64 %t19, 9
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t22 = load i64, ptr %t21
-  call void @finch_str_sub(ptr %a18, ptr %a17, i64 %t20, i64 %t22, ptr @.str.6567, i64 281)
+  call void @finch_str_sub(ptr %a18, ptr %a17, i64 %t20, i64 %t22, ptr @.str.6785, i64 281)
   %t23 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t23, ptr %a24
   %t25 = load { ptr, i64, i64 }, ptr %a15
   store { ptr, i64, i64 } %t25, ptr %a26
-  store { ptr, i64, i64 } { ptr @.str.6569, i64 1, i64 0 }, ptr %a28
+  store { ptr, i64, i64 } { ptr @.str.6787, i64 1, i64 0 }, ptr %a28
   call void @finch_str_split(ptr %a29, ptr %a26, ptr %a28)
   %t30 = load { ptr, i64, i64 }, ptr %a29
   store { ptr, i64, i64 } %t30, ptr %a31
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a31, i32 0, i32 1
   %t33 = load i64, ptr %t32
   %t34 = icmp slt i64 %t33, 3
-  br i1 %t34, label %then9550, label %endif9552
-then9550:
+  br i1 %t34, label %then10054, label %endif10056
+then10054:
+  call void @finch.drop.arr_str(ptr %a31)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a15)
   ret %S.lsp.Diag zeroinitializer
-endif9552:
+endif10056:
   %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %a31, i32 0, i32 1
   %t36 = load i64, ptr %t35
   %t37 = sub i64 %t36, 1
   %t38 = load { ptr, i64, i64 }, ptr %a31
   %t39 = extractvalue { ptr, i64, i64 } %t38, 1
   %t40 = icmp uge i64 %t37, %t39
-  br i1 %t40, label %range9553, label %inrange9554
-range9553:
-  call void @finch_panic_index(ptr @.str.6570, i64 287, i64 %t37, i64 %t39)
+  br i1 %t40, label %range10057, label %inrange10058
+range10057:
+  call void @finch_panic_index(ptr @.str.6788, i64 287, i64 %t37, i64 %t39)
   unreachable
-inrange9554:
+inrange10058:
   %t41 = extractvalue { ptr, i64, i64 } %t38, 0
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %t41, i64 %t37
   %t43 = load { ptr, i64, i64 }, ptr %t42
@@ -86053,11 +103183,11 @@ inrange9554:
   %t49 = load { ptr, i64, i64 }, ptr %a31
   %t50 = extractvalue { ptr, i64, i64 } %t49, 1
   %t51 = icmp uge i64 %t48, %t50
-  br i1 %t51, label %range9555, label %inrange9556
-range9555:
-  call void @finch_panic_index(ptr @.str.6571, i64 288, i64 %t48, i64 %t50)
+  br i1 %t51, label %range10059, label %inrange10060
+range10059:
+  call void @finch_panic_index(ptr @.str.6789, i64 288, i64 %t48, i64 %t50)
   unreachable
-inrange9556:
+inrange10060:
   %t52 = extractvalue { ptr, i64, i64 } %t49, 0
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i64 %t48
   %t54 = load { ptr, i64, i64 }, ptr %t53
@@ -86068,22 +103198,22 @@ inrange9556:
   %t59 = load i64, ptr %t58
   %t60 = sub i64 %t59, 2
   store i64 0, ptr %a61
-  br label %for.cond9557
-for.cond9557:
+  br label %for.cond10061
+for.cond10061:
   %t62 = load i64, ptr %a61
   %t63 = icmp slt i64 %t62, %t60
-  br i1 %t63, label %for.body9558, label %for.end9560
-for.body9558:
+  br i1 %t63, label %for.body10062, label %for.end10064
+for.body10062:
   %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %a57, i32 0, i32 1
   %t65 = load i64, ptr %a61
   %t66 = load { ptr, i64, i64 }, ptr %a31
   %t67 = extractvalue { ptr, i64, i64 } %t66, 1
   %t68 = icmp uge i64 %t65, %t67
-  br i1 %t68, label %range9561, label %inrange9562
-range9561:
-  call void @finch_panic_index(ptr @.str.6572, i64 291, i64 %t65, i64 %t67)
+  br i1 %t68, label %range10065, label %inrange10066
+range10065:
+  call void @finch_panic_index(ptr @.str.6790, i64 291, i64 %t65, i64 %t67)
   unreachable
-inrange9562:
+inrange10066:
   %t69 = extractvalue { ptr, i64, i64 } %t66, 0
   %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i64 %t65
   %t71 = load { ptr, i64, i64 }, ptr %t70
@@ -86097,16 +103227,16 @@ inrange9562:
   %t78 = getelementptr inbounds { ptr, i64, i64 }, ptr %t77, i64 %t75
   store { ptr, i64, i64 } %t74, ptr %t78
   store i64 %t76, ptr %t64
-  br label %for.step9559
-for.step9559:
+  br label %for.step10063
+for.step10063:
   %t79 = load i64, ptr %a61
   %t80 = add i64 %t79, 1
   store i64 %t80, ptr %a61
-  br label %for.cond9557
-for.end9560:
+  br label %for.cond10061
+for.end10064:
   %t81 = insertvalue %S.lsp.Diag zeroinitializer, i1 true, 0
   %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %a57, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6573, i64 1, i64 0 }, ptr %a83
+  store { ptr, i64, i64 } { ptr @.str.6791, i64 1, i64 0 }, ptr %a83
   call void @finch_str_join(ptr %a84, ptr %a57, ptr %a83)
   %t85 = load { ptr, i64, i64 }, ptr %a84
   %t86 = insertvalue %S.lsp.Diag %t81, { ptr, i64, i64 } %t85, 1
@@ -86119,285 +103249,20 @@ for.end9560:
   call void @finch_str_copy(ptr %a93, ptr %a92)
   %t94 = load { ptr, i64, i64 }, ptr %a93
   %t95 = insertvalue %S.lsp.Diag %t90, { ptr, i64, i64 } %t94, 4
+  call void @finch.drop.arr_str(ptr %a57)
+  call void @finch.drop.arr_str(ptr %a31)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a15)
   ret %S.lsp.Diag %t95
 }
 
-define internal void @finch.copy.S_lsp_Ref(ptr %dst, ptr %src) {
+define internal void @finch.drop.S_lsp_Diag(ptr %a) {
 entry:
 
-  %t1 = load %S.lsp.Ref, ptr %src
-  store %S.lsp.Ref %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 4
-  %t5 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 4
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 7
-  %t7 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 7
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_Ref(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.Ref, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9710
-n.cond9710:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9711, label %n.end9712
-n.body9711:
-  %t8 = getelementptr inbounds %S.lsp.Ref, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.Ref, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_Ref(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9710
-n.end9712:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_VarRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.VarRec, ptr %src
-  store %S.lsp.VarRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 5
-  call void @finch_str_copy(ptr %t8, ptr %t9)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_VarRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.VarRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9713
-n.cond9713:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9714, label %n.end9715
-n.body9714:
-  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_VarRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9713
-n.end9715:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_FnRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.FnRec, ptr %src
-  store %S.lsp.FnRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 3
-  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 3
-  call void @finch_str_copy(ptr %t8, ptr %t9)
-  %t10 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 7
-  %t11 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 7
-  call void @finch_str_copy(ptr %t10, ptr %t11)
-  %t12 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 8
-  %t13 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 8
-  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_FnRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.FnRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9716
-n.cond9716:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9717, label %n.end9718
-n.body9717:
-  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_FnRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9716
-n.end9718:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_StructRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.StructRec, ptr %src
-  store %S.lsp.StructRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
-  %t10 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 6
-  %t11 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 6
-  call void @finch.copy.arr_str(ptr %t10, ptr %t11)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_StructRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.StructRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9719
-n.cond9719:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9720, label %n.end9721
-n.body9720:
-  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_StructRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9719
-n.end9721:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_EnumRec(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.EnumRec, ptr %src
-  store %S.lsp.EnumRec %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 0
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 2
-  call void @finch_str_copy(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 5
-  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
-  ret void
-}
-
-define internal void @finch.copy.arr_S_lsp_EnumRec(ptr %dst, ptr %src) {
-entry:
-  %a5 = alloca i64, align 16
-  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.EnumRec, ptr null, i32 1) to i64))
-  %t1 = load ptr, ptr %dst
-  %t2 = load ptr, ptr %src
-  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
-  %t4 = load i64, ptr %t3
-  store i64 0, ptr %a5
-  br label %n.cond9722
-n.cond9722:
-  %t6 = load i64, ptr %a5
-  %t7 = icmp slt i64 %t6, %t4
-  br i1 %t7, label %n.body9723, label %n.end9724
-n.body9723:
-  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %t1, i64 %t6
-  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %t2, i64 %t6
-  call void @finch.copy.S_lsp_EnumRec(ptr %t8, ptr %t9)
-  %t10 = load i64, ptr %a5
-  %t11 = add i64 %t10, 1
-  store i64 %t11, ptr %a5
-  br label %n.cond9722
-n.end9724:
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_Diag(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.Diag, ptr %src
-  store %S.lsp.Diag %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 1
-  %t3 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 1
-  call void @finch_str_copy(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 4
-  %t5 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 4
-  call void @finch_str_copy(ptr %t4, ptr %t5)
-  ret void
-}
-
-define internal void @finch.copy.S_lsp_Analysis(ptr %dst, ptr %src) {
-entry:
-
-  %t1 = load %S.lsp.Analysis, ptr %src
-  store %S.lsp.Analysis %t1, ptr %dst
-  %t2 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 0
-  %t3 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 0
-  call void @finch.copy.arr_S_lsp_Ref(ptr %t2, ptr %t3)
-  %t4 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 1
-  %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 1
-  call void @finch.copy.arr_S_lsp_VarRec(ptr %t4, ptr %t5)
-  %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 2
-  %t7 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 2
-  call void @finch.copy.arr_S_lsp_FnRec(ptr %t6, ptr %t7)
-  %t8 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 3
-  %t9 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 3
-  call void @finch.copy.arr_S_lsp_StructRec(ptr %t8, ptr %t9)
-  %t10 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 4
-  %t11 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 4
-  call void @finch.copy.arr_S_lsp_EnumRec(ptr %t10, ptr %t11)
-  %t12 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 5
-  %t13 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 5
-  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
-  %t14 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 6
-  %t15 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 6
-  call void @finch.copy.S_lsp_Diag(ptr %t14, ptr %t15)
+  %t1 = getelementptr inbounds %S.lsp.Diag, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Diag, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t2)
   ret void
 }
 
@@ -86480,47 +103345,46 @@ entry:
   %a506 = alloca { ptr, i64, i64 }, align 16
   %a521 = alloca { ptr, i64, i64 }, align 16
   %a522 = alloca { ptr, i64, i64 }, align 16
-  %a538 = alloca %S.lsp.Analysis, align 16
-  %a539 = alloca %S.lsp.Analysis, align 16
+  %a536 = alloca %S.lsp.Diag, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.lsp.Analysis zeroinitializer, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6575, i64 1, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.6793, i64 1, i64 0 }, ptr %a6
   call void @finch_str_split(ptr %a7, ptr %a4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
   store { ptr, i64, i64 } %t8, ptr %a9
   store i64 0, ptr %a10
-  br label %each.cond9563
-each.cond9563:
+  br label %each.cond10067
+each.cond10067:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t12 = load i64, ptr %t11
   %t13 = load i64, ptr %a10
   %t14 = icmp slt i64 %t13, %t12
-  br i1 %t14, label %each.body9564, label %each.end9566
-each.body9564:
+  br i1 %t14, label %each.body10068, label %each.end10070
+each.body10068:
   %t15 = load ptr, ptr %a9
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 %t13
   %t17 = load { ptr, i64, i64 }, ptr %t16
   store { ptr, i64, i64 } %t17, ptr %a18
   %t19 = load { ptr, i64, i64 }, ptr %a18
   store { ptr, i64, i64 } %t19, ptr %a20
-  store { ptr, i64, i64 } { ptr @.str.6577, i64 1, i64 0 }, ptr %a22
+  store { ptr, i64, i64 } { ptr @.str.6795, i64 1, i64 0 }, ptr %a22
   %t23 = call i32 @finch_str_starts(ptr %a20, ptr %a22)
   %t24 = icmp ne i32 %t23, 0
-  br i1 %t24, label %then9567, label %else9568
-then9567:
+  br i1 %t24, label %then10071, label %else10072
+then10071:
   %t25 = load { ptr, i64, i64 }, ptr %a18
   %t26 = call { ptr, i64, i64 } @finch.lsp.splitTabs({ ptr, i64, i64 } %t25)
   store { ptr, i64, i64 } %t26, ptr %a27
   %t28 = load { ptr, i64, i64 }, ptr %a27
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 0, %t29
-  br i1 %t30, label %range9570, label %inrange9571
-range9570:
-  call void @finch_panic_index(ptr @.str.6578, i64 301, i64 0, i64 %t29)
+  br i1 %t30, label %range10074, label %inrange10075
+range10074:
+  call void @finch_panic_index(ptr @.str.6796, i64 301, i64 0, i64 %t29)
   unreachable
-inrange9571:
+inrange10075:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t31, i64 0
   %t33 = load { ptr, i64, i64 }, ptr %t32
@@ -86530,33 +103394,33 @@ inrange9571:
   store { ptr, i64, i64 } %t36, ptr %a37
   %t38 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t38, ptr %a39
-  store { ptr, i64, i64 } { ptr @.str.6579, i64 2, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.6797, i64 2, i64 0 }, ptr %a40
   %t41 = call i32 @finch_str_eq(ptr %a39, ptr %a40)
   %t42 = icmp ne i32 %t41, 0
-  br label %logic.from9572
-logic.from9572:
-  br i1 %t42, label %logic.rhs9573, label %logic.end9574
-logic.rhs9573:
+  br label %logic.from10076
+logic.from10076:
+  br i1 %t42, label %logic.rhs10077, label %logic.end10078
+logic.rhs10077:
   %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t44 = load i64, ptr %t43
   %t45 = icmp sge i64 %t44, 9
-  br label %logic.rend9575
-logic.rend9575:
-  br label %logic.end9574
-logic.end9574:
-  %t46 = phi i1 [ false, %logic.from9572 ], [ %t45, %logic.rend9575 ]
-  br i1 %t46, label %then9576, label %else9577
-then9576:
+  br label %logic.rend10079
+logic.rend10079:
+  br label %logic.end10078
+logic.end10078:
+  %t46 = phi i1 [ false, %logic.from10076 ], [ %t45, %logic.rend10079 ]
+  br i1 %t46, label %then10080, label %else10081
+then10080:
   %t47 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 0
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i32 0, i32 1
   %t49 = load { ptr, i64, i64 }, ptr %a27
   %t50 = extractvalue { ptr, i64, i64 } %t49, 1
   %t51 = icmp uge i64 1, %t50
-  br i1 %t51, label %range9579, label %inrange9580
-range9579:
-  call void @finch_panic_index(ptr @.str.6580, i64 303, i64 1, i64 %t50)
+  br i1 %t51, label %range10083, label %inrange10084
+range10083:
+  call void @finch_panic_index(ptr @.str.6798, i64 303, i64 1, i64 %t50)
   unreachable
-inrange9580:
+inrange10084:
   %t52 = extractvalue { ptr, i64, i64 } %t49, 0
   %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i64 1
   %t54 = load { ptr, i64, i64 }, ptr %t53
@@ -86567,11 +103431,11 @@ inrange9580:
   %t59 = load { ptr, i64, i64 }, ptr %a27
   %t60 = extractvalue { ptr, i64, i64 } %t59, 1
   %t61 = icmp uge i64 2, %t60
-  br i1 %t61, label %range9581, label %inrange9582
-range9581:
-  call void @finch_panic_index(ptr @.str.6581, i64 303, i64 2, i64 %t60)
+  br i1 %t61, label %range10085, label %inrange10086
+range10085:
+  call void @finch_panic_index(ptr @.str.6799, i64 303, i64 2, i64 %t60)
   unreachable
-inrange9582:
+inrange10086:
   %t62 = extractvalue { ptr, i64, i64 } %t59, 0
   %t63 = getelementptr inbounds { ptr, i64, i64 }, ptr %t62, i64 2
   %t64 = load { ptr, i64, i64 }, ptr %t63
@@ -86580,11 +103444,11 @@ inrange9582:
   %t67 = load { ptr, i64, i64 }, ptr %a27
   %t68 = extractvalue { ptr, i64, i64 } %t67, 1
   %t69 = icmp uge i64 3, %t68
-  br i1 %t69, label %range9583, label %inrange9584
-range9583:
-  call void @finch_panic_index(ptr @.str.6582, i64 303, i64 3, i64 %t68)
+  br i1 %t69, label %range10087, label %inrange10088
+range10087:
+  call void @finch_panic_index(ptr @.str.6800, i64 303, i64 3, i64 %t68)
   unreachable
-inrange9584:
+inrange10088:
   %t70 = extractvalue { ptr, i64, i64 } %t67, 0
   %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 3
   %t72 = load { ptr, i64, i64 }, ptr %t71
@@ -86593,11 +103457,11 @@ inrange9584:
   %t75 = load { ptr, i64, i64 }, ptr %a27
   %t76 = extractvalue { ptr, i64, i64 } %t75, 1
   %t77 = icmp uge i64 4, %t76
-  br i1 %t77, label %range9585, label %inrange9586
-range9585:
-  call void @finch_panic_index(ptr @.str.6583, i64 303, i64 4, i64 %t76)
+  br i1 %t77, label %range10089, label %inrange10090
+range10089:
+  call void @finch_panic_index(ptr @.str.6801, i64 303, i64 4, i64 %t76)
   unreachable
-inrange9586:
+inrange10090:
   %t78 = extractvalue { ptr, i64, i64 } %t75, 0
   %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i64 4
   %t80 = load { ptr, i64, i64 }, ptr %t79
@@ -86606,11 +103470,11 @@ inrange9586:
   %t83 = load { ptr, i64, i64 }, ptr %a27
   %t84 = extractvalue { ptr, i64, i64 } %t83, 1
   %t85 = icmp uge i64 5, %t84
-  br i1 %t85, label %range9587, label %inrange9588
-range9587:
-  call void @finch_panic_index(ptr @.str.6584, i64 303, i64 5, i64 %t84)
+  br i1 %t85, label %range10091, label %inrange10092
+range10091:
+  call void @finch_panic_index(ptr @.str.6802, i64 303, i64 5, i64 %t84)
   unreachable
-inrange9588:
+inrange10092:
   %t86 = extractvalue { ptr, i64, i64 } %t83, 0
   %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i64 5
   %t88 = load { ptr, i64, i64 }, ptr %t87
@@ -86621,11 +103485,11 @@ inrange9588:
   %t93 = load { ptr, i64, i64 }, ptr %a27
   %t94 = extractvalue { ptr, i64, i64 } %t93, 1
   %t95 = icmp uge i64 6, %t94
-  br i1 %t95, label %range9589, label %inrange9590
-range9589:
-  call void @finch_panic_index(ptr @.str.6585, i64 303, i64 6, i64 %t94)
+  br i1 %t95, label %range10093, label %inrange10094
+range10093:
+  call void @finch_panic_index(ptr @.str.6803, i64 303, i64 6, i64 %t94)
   unreachable
-inrange9590:
+inrange10094:
   %t96 = extractvalue { ptr, i64, i64 } %t93, 0
   %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i64 6
   %t98 = load { ptr, i64, i64 }, ptr %t97
@@ -86634,11 +103498,11 @@ inrange9590:
   %t101 = load { ptr, i64, i64 }, ptr %a27
   %t102 = extractvalue { ptr, i64, i64 } %t101, 1
   %t103 = icmp uge i64 7, %t102
-  br i1 %t103, label %range9591, label %inrange9592
-range9591:
-  call void @finch_panic_index(ptr @.str.6586, i64 303, i64 7, i64 %t102)
+  br i1 %t103, label %range10095, label %inrange10096
+range10095:
+  call void @finch_panic_index(ptr @.str.6804, i64 303, i64 7, i64 %t102)
   unreachable
-inrange9592:
+inrange10096:
   %t104 = extractvalue { ptr, i64, i64 } %t101, 0
   %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i64 7
   %t106 = load { ptr, i64, i64 }, ptr %t105
@@ -86647,11 +103511,11 @@ inrange9592:
   %t109 = load { ptr, i64, i64 }, ptr %a27
   %t110 = extractvalue { ptr, i64, i64 } %t109, 1
   %t111 = icmp uge i64 8, %t110
-  br i1 %t111, label %range9593, label %inrange9594
-range9593:
-  call void @finch_panic_index(ptr @.str.6587, i64 303, i64 8, i64 %t110)
+  br i1 %t111, label %range10097, label %inrange10098
+range10097:
+  call void @finch_panic_index(ptr @.str.6805, i64 303, i64 8, i64 %t110)
   unreachable
-inrange9594:
+inrange10098:
   %t112 = extractvalue { ptr, i64, i64 } %t109, 0
   %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 8
   %t114 = load { ptr, i64, i64 }, ptr %t113
@@ -86664,37 +103528,37 @@ inrange9594:
   %t120 = getelementptr inbounds %S.lsp.Ref, ptr %t119, i64 %t117
   store %S.lsp.Ref %t116, ptr %t120
   store i64 %t118, ptr %t48
-  br label %endif9578
-else9577:
+  br label %endif10082
+else10081:
   %t121 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t121, ptr %a122
-  store { ptr, i64, i64 } { ptr @.str.6588, i64 2, i64 0 }, ptr %a123
+  store { ptr, i64, i64 } { ptr @.str.6806, i64 2, i64 0 }, ptr %a123
   %t124 = call i32 @finch_str_eq(ptr %a122, ptr %a123)
   %t125 = icmp ne i32 %t124, 0
-  br label %logic.from9595
-logic.from9595:
-  br i1 %t125, label %logic.rhs9596, label %logic.end9597
-logic.rhs9596:
+  br label %logic.from10099
+logic.from10099:
+  br i1 %t125, label %logic.rhs10100, label %logic.end10101
+logic.rhs10100:
   %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t127 = load i64, ptr %t126
   %t128 = icmp sge i64 %t127, 9
-  br label %logic.rend9598
-logic.rend9598:
-  br label %logic.end9597
-logic.end9597:
-  %t129 = phi i1 [ false, %logic.from9595 ], [ %t128, %logic.rend9598 ]
-  br i1 %t129, label %then9599, label %else9600
-then9599:
+  br label %logic.rend10102
+logic.rend10102:
+  br label %logic.end10101
+logic.end10101:
+  %t129 = phi i1 [ false, %logic.from10099 ], [ %t128, %logic.rend10102 ]
+  br i1 %t129, label %then10103, label %else10104
+then10103:
   %t130 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 1
   %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %t130, i32 0, i32 1
   %t132 = load { ptr, i64, i64 }, ptr %a27
   %t133 = extractvalue { ptr, i64, i64 } %t132, 1
   %t134 = icmp uge i64 1, %t133
-  br i1 %t134, label %range9602, label %inrange9603
-range9602:
-  call void @finch_panic_index(ptr @.str.6589, i64 305, i64 1, i64 %t133)
+  br i1 %t134, label %range10106, label %inrange10107
+range10106:
+  call void @finch_panic_index(ptr @.str.6807, i64 305, i64 1, i64 %t133)
   unreachable
-inrange9603:
+inrange10107:
   %t135 = extractvalue { ptr, i64, i64 } %t132, 0
   %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i64 1
   %t137 = load { ptr, i64, i64 }, ptr %t136
@@ -86705,11 +103569,11 @@ inrange9603:
   %t142 = load { ptr, i64, i64 }, ptr %a27
   %t143 = extractvalue { ptr, i64, i64 } %t142, 1
   %t144 = icmp uge i64 2, %t143
-  br i1 %t144, label %range9604, label %inrange9605
-range9604:
-  call void @finch_panic_index(ptr @.str.6590, i64 305, i64 2, i64 %t143)
+  br i1 %t144, label %range10108, label %inrange10109
+range10108:
+  call void @finch_panic_index(ptr @.str.6808, i64 305, i64 2, i64 %t143)
   unreachable
-inrange9605:
+inrange10109:
   %t145 = extractvalue { ptr, i64, i64 } %t142, 0
   %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i64 2
   %t147 = load { ptr, i64, i64 }, ptr %t146
@@ -86720,11 +103584,11 @@ inrange9605:
   %t152 = load { ptr, i64, i64 }, ptr %a27
   %t153 = extractvalue { ptr, i64, i64 } %t152, 1
   %t154 = icmp uge i64 3, %t153
-  br i1 %t154, label %range9606, label %inrange9607
-range9606:
-  call void @finch_panic_index(ptr @.str.6591, i64 305, i64 3, i64 %t153)
+  br i1 %t154, label %range10110, label %inrange10111
+range10110:
+  call void @finch_panic_index(ptr @.str.6809, i64 305, i64 3, i64 %t153)
   unreachable
-inrange9607:
+inrange10111:
   %t155 = extractvalue { ptr, i64, i64 } %t152, 0
   %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %t155, i64 3
   %t157 = load { ptr, i64, i64 }, ptr %t156
@@ -86735,11 +103599,11 @@ inrange9607:
   %t162 = load { ptr, i64, i64 }, ptr %a27
   %t163 = extractvalue { ptr, i64, i64 } %t162, 1
   %t164 = icmp uge i64 4, %t163
-  br i1 %t164, label %range9608, label %inrange9609
-range9608:
-  call void @finch_panic_index(ptr @.str.6592, i64 305, i64 4, i64 %t163)
+  br i1 %t164, label %range10112, label %inrange10113
+range10112:
+  call void @finch_panic_index(ptr @.str.6810, i64 305, i64 4, i64 %t163)
   unreachable
-inrange9609:
+inrange10113:
   %t165 = extractvalue { ptr, i64, i64 } %t162, 0
   %t166 = getelementptr inbounds { ptr, i64, i64 }, ptr %t165, i64 4
   %t167 = load { ptr, i64, i64 }, ptr %t166
@@ -86748,11 +103612,11 @@ inrange9609:
   %t170 = load { ptr, i64, i64 }, ptr %a27
   %t171 = extractvalue { ptr, i64, i64 } %t170, 1
   %t172 = icmp uge i64 5, %t171
-  br i1 %t172, label %range9610, label %inrange9611
-range9610:
-  call void @finch_panic_index(ptr @.str.6593, i64 305, i64 5, i64 %t171)
+  br i1 %t172, label %range10114, label %inrange10115
+range10114:
+  call void @finch_panic_index(ptr @.str.6811, i64 305, i64 5, i64 %t171)
   unreachable
-inrange9611:
+inrange10115:
   %t173 = extractvalue { ptr, i64, i64 } %t170, 0
   %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %t173, i64 5
   %t175 = load { ptr, i64, i64 }, ptr %t174
@@ -86761,11 +103625,11 @@ inrange9611:
   %t178 = load { ptr, i64, i64 }, ptr %a27
   %t179 = extractvalue { ptr, i64, i64 } %t178, 1
   %t180 = icmp uge i64 6, %t179
-  br i1 %t180, label %range9612, label %inrange9613
-range9612:
-  call void @finch_panic_index(ptr @.str.6594, i64 305, i64 6, i64 %t179)
+  br i1 %t180, label %range10116, label %inrange10117
+range10116:
+  call void @finch_panic_index(ptr @.str.6812, i64 305, i64 6, i64 %t179)
   unreachable
-inrange9613:
+inrange10117:
   %t181 = extractvalue { ptr, i64, i64 } %t178, 0
   %t182 = getelementptr inbounds { ptr, i64, i64 }, ptr %t181, i64 6
   %t183 = load { ptr, i64, i64 }, ptr %t182
@@ -86776,11 +103640,11 @@ inrange9613:
   %t188 = load { ptr, i64, i64 }, ptr %a27
   %t189 = extractvalue { ptr, i64, i64 } %t188, 1
   %t190 = icmp uge i64 7, %t189
-  br i1 %t190, label %range9614, label %inrange9615
-range9614:
-  call void @finch_panic_index(ptr @.str.6595, i64 305, i64 7, i64 %t189)
+  br i1 %t190, label %range10118, label %inrange10119
+range10118:
+  call void @finch_panic_index(ptr @.str.6813, i64 305, i64 7, i64 %t189)
   unreachable
-inrange9615:
+inrange10119:
   %t191 = extractvalue { ptr, i64, i64 } %t188, 0
   %t192 = getelementptr inbounds { ptr, i64, i64 }, ptr %t191, i64 7
   %t193 = load { ptr, i64, i64 }, ptr %t192
@@ -86789,11 +103653,11 @@ inrange9615:
   %t196 = load { ptr, i64, i64 }, ptr %a27
   %t197 = extractvalue { ptr, i64, i64 } %t196, 1
   %t198 = icmp uge i64 8, %t197
-  br i1 %t198, label %range9616, label %inrange9617
-range9616:
-  call void @finch_panic_index(ptr @.str.6596, i64 305, i64 8, i64 %t197)
+  br i1 %t198, label %range10120, label %inrange10121
+range10120:
+  call void @finch_panic_index(ptr @.str.6814, i64 305, i64 8, i64 %t197)
   unreachable
-inrange9617:
+inrange10121:
   %t199 = extractvalue { ptr, i64, i64 } %t196, 0
   %t200 = getelementptr inbounds { ptr, i64, i64 }, ptr %t199, i64 8
   %t201 = load { ptr, i64, i64 }, ptr %t200
@@ -86806,37 +103670,37 @@ inrange9617:
   %t207 = getelementptr inbounds %S.lsp.VarRec, ptr %t206, i64 %t204
   store %S.lsp.VarRec %t203, ptr %t207
   store i64 %t205, ptr %t131
-  br label %endif9601
-else9600:
+  br label %endif10105
+else10104:
   %t208 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t208, ptr %a209
-  store { ptr, i64, i64 } { ptr @.str.6597, i64 2, i64 0 }, ptr %a210
+  store { ptr, i64, i64 } { ptr @.str.6815, i64 2, i64 0 }, ptr %a210
   %t211 = call i32 @finch_str_eq(ptr %a209, ptr %a210)
   %t212 = icmp ne i32 %t211, 0
-  br label %logic.from9618
-logic.from9618:
-  br i1 %t212, label %logic.rhs9619, label %logic.end9620
-logic.rhs9619:
+  br label %logic.from10122
+logic.from10122:
+  br i1 %t212, label %logic.rhs10123, label %logic.end10124
+logic.rhs10123:
   %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t214 = load i64, ptr %t213
   %t215 = icmp sge i64 %t214, 10
-  br label %logic.rend9621
-logic.rend9621:
-  br label %logic.end9620
-logic.end9620:
-  %t216 = phi i1 [ false, %logic.from9618 ], [ %t215, %logic.rend9621 ]
-  br i1 %t216, label %then9622, label %else9623
-then9622:
+  br label %logic.rend10125
+logic.rend10125:
+  br label %logic.end10124
+logic.end10124:
+  %t216 = phi i1 [ false, %logic.from10122 ], [ %t215, %logic.rend10125 ]
+  br i1 %t216, label %then10126, label %else10127
+then10126:
   %t217 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 2
   %t218 = getelementptr inbounds { ptr, i64, i64 }, ptr %t217, i32 0, i32 1
   %t219 = load { ptr, i64, i64 }, ptr %a27
   %t220 = extractvalue { ptr, i64, i64 } %t219, 1
   %t221 = icmp uge i64 1, %t220
-  br i1 %t221, label %range9625, label %inrange9626
-range9625:
-  call void @finch_panic_index(ptr @.str.6598, i64 307, i64 1, i64 %t220)
+  br i1 %t221, label %range10129, label %inrange10130
+range10129:
+  call void @finch_panic_index(ptr @.str.6816, i64 307, i64 1, i64 %t220)
   unreachable
-inrange9626:
+inrange10130:
   %t222 = extractvalue { ptr, i64, i64 } %t219, 0
   %t223 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i64 1
   %t224 = load { ptr, i64, i64 }, ptr %t223
@@ -86847,11 +103711,11 @@ inrange9626:
   %t229 = load { ptr, i64, i64 }, ptr %a27
   %t230 = extractvalue { ptr, i64, i64 } %t229, 1
   %t231 = icmp uge i64 2, %t230
-  br i1 %t231, label %range9627, label %inrange9628
-range9627:
-  call void @finch_panic_index(ptr @.str.6599, i64 307, i64 2, i64 %t230)
+  br i1 %t231, label %range10131, label %inrange10132
+range10131:
+  call void @finch_panic_index(ptr @.str.6817, i64 307, i64 2, i64 %t230)
   unreachable
-inrange9628:
+inrange10132:
   %t232 = extractvalue { ptr, i64, i64 } %t229, 0
   %t233 = getelementptr inbounds { ptr, i64, i64 }, ptr %t232, i64 2
   %t234 = load { ptr, i64, i64 }, ptr %t233
@@ -86862,11 +103726,11 @@ inrange9628:
   %t239 = load { ptr, i64, i64 }, ptr %a27
   %t240 = extractvalue { ptr, i64, i64 } %t239, 1
   %t241 = icmp uge i64 3, %t240
-  br i1 %t241, label %range9629, label %inrange9630
-range9629:
-  call void @finch_panic_index(ptr @.str.6600, i64 307, i64 3, i64 %t240)
+  br i1 %t241, label %range10133, label %inrange10134
+range10133:
+  call void @finch_panic_index(ptr @.str.6818, i64 307, i64 3, i64 %t240)
   unreachable
-inrange9630:
+inrange10134:
   %t242 = extractvalue { ptr, i64, i64 } %t239, 0
   %t243 = getelementptr inbounds { ptr, i64, i64 }, ptr %t242, i64 3
   %t244 = load { ptr, i64, i64 }, ptr %t243
@@ -86877,11 +103741,11 @@ inrange9630:
   %t249 = load { ptr, i64, i64 }, ptr %a27
   %t250 = extractvalue { ptr, i64, i64 } %t249, 1
   %t251 = icmp uge i64 4, %t250
-  br i1 %t251, label %range9631, label %inrange9632
-range9631:
-  call void @finch_panic_index(ptr @.str.6601, i64 307, i64 4, i64 %t250)
+  br i1 %t251, label %range10135, label %inrange10136
+range10135:
+  call void @finch_panic_index(ptr @.str.6819, i64 307, i64 4, i64 %t250)
   unreachable
-inrange9632:
+inrange10136:
   %t252 = extractvalue { ptr, i64, i64 } %t249, 0
   %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t252, i64 4
   %t254 = load { ptr, i64, i64 }, ptr %t253
@@ -86892,11 +103756,11 @@ inrange9632:
   %t259 = load { ptr, i64, i64 }, ptr %a27
   %t260 = extractvalue { ptr, i64, i64 } %t259, 1
   %t261 = icmp uge i64 5, %t260
-  br i1 %t261, label %range9633, label %inrange9634
-range9633:
-  call void @finch_panic_index(ptr @.str.6602, i64 307, i64 5, i64 %t260)
+  br i1 %t261, label %range10137, label %inrange10138
+range10137:
+  call void @finch_panic_index(ptr @.str.6820, i64 307, i64 5, i64 %t260)
   unreachable
-inrange9634:
+inrange10138:
   %t262 = extractvalue { ptr, i64, i64 } %t259, 0
   %t263 = getelementptr inbounds { ptr, i64, i64 }, ptr %t262, i64 5
   %t264 = load { ptr, i64, i64 }, ptr %t263
@@ -86905,11 +103769,11 @@ inrange9634:
   %t267 = load { ptr, i64, i64 }, ptr %a27
   %t268 = extractvalue { ptr, i64, i64 } %t267, 1
   %t269 = icmp uge i64 6, %t268
-  br i1 %t269, label %range9635, label %inrange9636
-range9635:
-  call void @finch_panic_index(ptr @.str.6603, i64 307, i64 6, i64 %t268)
+  br i1 %t269, label %range10139, label %inrange10140
+range10139:
+  call void @finch_panic_index(ptr @.str.6821, i64 307, i64 6, i64 %t268)
   unreachable
-inrange9636:
+inrange10140:
   %t270 = extractvalue { ptr, i64, i64 } %t267, 0
   %t271 = getelementptr inbounds { ptr, i64, i64 }, ptr %t270, i64 6
   %t272 = load { ptr, i64, i64 }, ptr %t271
@@ -86918,11 +103782,11 @@ inrange9636:
   %t275 = load { ptr, i64, i64 }, ptr %a27
   %t276 = extractvalue { ptr, i64, i64 } %t275, 1
   %t277 = icmp uge i64 7, %t276
-  br i1 %t277, label %range9637, label %inrange9638
-range9637:
-  call void @finch_panic_index(ptr @.str.6604, i64 307, i64 7, i64 %t276)
+  br i1 %t277, label %range10141, label %inrange10142
+range10141:
+  call void @finch_panic_index(ptr @.str.6822, i64 307, i64 7, i64 %t276)
   unreachable
-inrange9638:
+inrange10142:
   %t278 = extractvalue { ptr, i64, i64 } %t275, 0
   %t279 = getelementptr inbounds { ptr, i64, i64 }, ptr %t278, i64 7
   %t280 = load { ptr, i64, i64 }, ptr %t279
@@ -86931,11 +103795,11 @@ inrange9638:
   %t283 = load { ptr, i64, i64 }, ptr %a27
   %t284 = extractvalue { ptr, i64, i64 } %t283, 1
   %t285 = icmp uge i64 8, %t284
-  br i1 %t285, label %range9639, label %inrange9640
-range9639:
-  call void @finch_panic_index(ptr @.str.6605, i64 307, i64 8, i64 %t284)
+  br i1 %t285, label %range10143, label %inrange10144
+range10143:
+  call void @finch_panic_index(ptr @.str.6823, i64 307, i64 8, i64 %t284)
   unreachable
-inrange9640:
+inrange10144:
   %t286 = extractvalue { ptr, i64, i64 } %t283, 0
   %t287 = getelementptr inbounds { ptr, i64, i64 }, ptr %t286, i64 8
   %t288 = load { ptr, i64, i64 }, ptr %t287
@@ -86944,16 +103808,16 @@ inrange9640:
   %t291 = load { ptr, i64, i64 }, ptr %a27
   %t292 = extractvalue { ptr, i64, i64 } %t291, 1
   %t293 = icmp uge i64 9, %t292
-  br i1 %t293, label %range9641, label %inrange9642
-range9641:
-  call void @finch_panic_index(ptr @.str.6606, i64 307, i64 9, i64 %t292)
+  br i1 %t293, label %range10145, label %inrange10146
+range10145:
+  call void @finch_panic_index(ptr @.str.6824, i64 307, i64 9, i64 %t292)
   unreachable
-inrange9642:
+inrange10146:
   %t294 = extractvalue { ptr, i64, i64 } %t291, 0
   %t295 = getelementptr inbounds { ptr, i64, i64 }, ptr %t294, i64 9
   %t296 = load { ptr, i64, i64 }, ptr %t295
   store { ptr, i64, i64 } %t296, ptr %a297
-  store { ptr, i64, i64 } { ptr @.str.6608, i64 1, i64 0 }, ptr %a299
+  store { ptr, i64, i64 } { ptr @.str.6826, i64 1, i64 0 }, ptr %a299
   call void @finch_str_split(ptr %a300, ptr %a297, ptr %a299)
   %t301 = load { ptr, i64, i64 }, ptr %a300
   %t302 = insertvalue %S.lsp.FnRec %t290, { ptr, i64, i64 } %t301, 8
@@ -86964,37 +103828,37 @@ inrange9642:
   %t306 = getelementptr inbounds %S.lsp.FnRec, ptr %t305, i64 %t303
   store %S.lsp.FnRec %t302, ptr %t306
   store i64 %t304, ptr %t218
-  br label %endif9624
-else9623:
+  br label %endif10128
+else10127:
   %t307 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t307, ptr %a308
-  store { ptr, i64, i64 } { ptr @.str.6609, i64 2, i64 0 }, ptr %a309
+  store { ptr, i64, i64 } { ptr @.str.6827, i64 2, i64 0 }, ptr %a309
   %t310 = call i32 @finch_str_eq(ptr %a308, ptr %a309)
   %t311 = icmp ne i32 %t310, 0
-  br label %logic.from9643
-logic.from9643:
-  br i1 %t311, label %logic.rhs9644, label %logic.end9645
-logic.rhs9644:
+  br label %logic.from10147
+logic.from10147:
+  br i1 %t311, label %logic.rhs10148, label %logic.end10149
+logic.rhs10148:
   %t312 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t313 = load i64, ptr %t312
   %t314 = icmp sge i64 %t313, 6
-  br label %logic.rend9646
-logic.rend9646:
-  br label %logic.end9645
-logic.end9645:
-  %t315 = phi i1 [ false, %logic.from9643 ], [ %t314, %logic.rend9646 ]
-  br i1 %t315, label %then9647, label %else9648
-then9647:
+  br label %logic.rend10150
+logic.rend10150:
+  br label %logic.end10149
+logic.end10149:
+  %t315 = phi i1 [ false, %logic.from10147 ], [ %t314, %logic.rend10150 ]
+  br i1 %t315, label %then10151, label %else10152
+then10151:
   %t316 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 3
   %t317 = getelementptr inbounds { ptr, i64, i64 }, ptr %t316, i32 0, i32 1
   %t318 = load { ptr, i64, i64 }, ptr %a27
   %t319 = extractvalue { ptr, i64, i64 } %t318, 1
   %t320 = icmp uge i64 1, %t319
-  br i1 %t320, label %range9650, label %inrange9651
-range9650:
-  call void @finch_panic_index(ptr @.str.6610, i64 309, i64 1, i64 %t319)
+  br i1 %t320, label %range10154, label %inrange10155
+range10154:
+  call void @finch_panic_index(ptr @.str.6828, i64 309, i64 1, i64 %t319)
   unreachable
-inrange9651:
+inrange10155:
   %t321 = extractvalue { ptr, i64, i64 } %t318, 0
   %t322 = getelementptr inbounds { ptr, i64, i64 }, ptr %t321, i64 1
   %t323 = load { ptr, i64, i64 }, ptr %t322
@@ -87005,11 +103869,11 @@ inrange9651:
   %t328 = load { ptr, i64, i64 }, ptr %a27
   %t329 = extractvalue { ptr, i64, i64 } %t328, 1
   %t330 = icmp uge i64 2, %t329
-  br i1 %t330, label %range9652, label %inrange9653
-range9652:
-  call void @finch_panic_index(ptr @.str.6611, i64 309, i64 2, i64 %t329)
+  br i1 %t330, label %range10156, label %inrange10157
+range10156:
+  call void @finch_panic_index(ptr @.str.6829, i64 309, i64 2, i64 %t329)
   unreachable
-inrange9653:
+inrange10157:
   %t331 = extractvalue { ptr, i64, i64 } %t328, 0
   %t332 = getelementptr inbounds { ptr, i64, i64 }, ptr %t331, i64 2
   %t333 = load { ptr, i64, i64 }, ptr %t332
@@ -87020,11 +103884,11 @@ inrange9653:
   %t338 = load { ptr, i64, i64 }, ptr %a27
   %t339 = extractvalue { ptr, i64, i64 } %t338, 1
   %t340 = icmp uge i64 3, %t339
-  br i1 %t340, label %range9654, label %inrange9655
-range9654:
-  call void @finch_panic_index(ptr @.str.6612, i64 309, i64 3, i64 %t339)
+  br i1 %t340, label %range10158, label %inrange10159
+range10158:
+  call void @finch_panic_index(ptr @.str.6830, i64 309, i64 3, i64 %t339)
   unreachable
-inrange9655:
+inrange10159:
   %t341 = extractvalue { ptr, i64, i64 } %t338, 0
   %t342 = getelementptr inbounds { ptr, i64, i64 }, ptr %t341, i64 3
   %t343 = load { ptr, i64, i64 }, ptr %t342
@@ -87035,11 +103899,11 @@ inrange9655:
   %t348 = load { ptr, i64, i64 }, ptr %a27
   %t349 = extractvalue { ptr, i64, i64 } %t348, 1
   %t350 = icmp uge i64 4, %t349
-  br i1 %t350, label %range9656, label %inrange9657
-range9656:
-  call void @finch_panic_index(ptr @.str.6613, i64 309, i64 4, i64 %t349)
+  br i1 %t350, label %range10160, label %inrange10161
+range10160:
+  call void @finch_panic_index(ptr @.str.6831, i64 309, i64 4, i64 %t349)
   unreachable
-inrange9657:
+inrange10161:
   %t351 = extractvalue { ptr, i64, i64 } %t348, 0
   %t352 = getelementptr inbounds { ptr, i64, i64 }, ptr %t351, i64 4
   %t353 = load { ptr, i64, i64 }, ptr %t352
@@ -87048,11 +103912,11 @@ inrange9657:
   %t356 = load { ptr, i64, i64 }, ptr %a27
   %t357 = extractvalue { ptr, i64, i64 } %t356, 1
   %t358 = icmp uge i64 5, %t357
-  br i1 %t358, label %range9658, label %inrange9659
-range9658:
-  call void @finch_panic_index(ptr @.str.6614, i64 309, i64 5, i64 %t357)
+  br i1 %t358, label %range10162, label %inrange10163
+range10162:
+  call void @finch_panic_index(ptr @.str.6832, i64 309, i64 5, i64 %t357)
   unreachable
-inrange9659:
+inrange10163:
   %t359 = extractvalue { ptr, i64, i64 } %t356, 0
   %t360 = getelementptr inbounds { ptr, i64, i64 }, ptr %t359, i64 5
   %t361 = load { ptr, i64, i64 }, ptr %t360
@@ -87065,40 +103929,40 @@ inrange9659:
   %t367 = getelementptr inbounds %S.lsp.StructRec, ptr %t366, i64 %t364
   store %S.lsp.StructRec %t363, ptr %t367
   store i64 %t365, ptr %t317
-  br label %endif9649
-else9648:
+  br label %endif10153
+else10152:
   %t368 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t368, ptr %a369
-  store { ptr, i64, i64 } { ptr @.str.6615, i64 3, i64 0 }, ptr %a370
+  store { ptr, i64, i64 } { ptr @.str.6833, i64 3, i64 0 }, ptr %a370
   %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
   %t372 = icmp ne i32 %t371, 0
-  br label %logic.from9660
-logic.from9660:
-  br i1 %t372, label %logic.rhs9661, label %logic.end9662
-logic.rhs9661:
+  br label %logic.from10164
+logic.from10164:
+  br i1 %t372, label %logic.rhs10165, label %logic.end10166
+logic.rhs10165:
   %t373 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t374 = load i64, ptr %t373
   %t375 = icmp sge i64 %t374, 5
-  br label %logic.rend9663
-logic.rend9663:
-  br label %logic.end9662
-logic.end9662:
-  %t376 = phi i1 [ false, %logic.from9660 ], [ %t375, %logic.rend9663 ]
-  br label %logic.from9664
-logic.from9664:
-  br i1 %t376, label %logic.rhs9665, label %logic.end9666
-logic.rhs9665:
+  br label %logic.rend10167
+logic.rend10167:
+  br label %logic.end10166
+logic.end10166:
+  %t376 = phi i1 [ false, %logic.from10164 ], [ %t375, %logic.rend10167 ]
+  br label %logic.from10168
+logic.from10168:
+  br i1 %t376, label %logic.rhs10169, label %logic.end10170
+logic.rhs10169:
   %t377 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 3
   %t378 = getelementptr inbounds { ptr, i64, i64 }, ptr %t377, i32 0, i32 1
   %t379 = load i64, ptr %t378
   %t380 = icmp sgt i64 %t379, 0
-  br label %logic.rend9667
-logic.rend9667:
-  br label %logic.end9666
-logic.end9666:
-  %t381 = phi i1 [ false, %logic.from9664 ], [ %t380, %logic.rend9667 ]
-  br i1 %t381, label %then9668, label %else9669
-then9668:
+  br label %logic.rend10171
+logic.rend10171:
+  br label %logic.end10170
+logic.end10170:
+  %t381 = phi i1 [ false, %logic.from10168 ], [ %t380, %logic.rend10171 ]
+  br i1 %t381, label %then10172, label %else10173
+then10172:
   %t382 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 3
   %t383 = getelementptr inbounds { ptr, i64, i64 }, ptr %t382, i32 0, i32 1
   %t384 = load i64, ptr %t383
@@ -87109,11 +103973,11 @@ then9668:
   %t389 = load { ptr, i64, i64 }, ptr %t387
   %t390 = extractvalue { ptr, i64, i64 } %t389, 1
   %t391 = icmp uge i64 %t388, %t390
-  br i1 %t391, label %range9671, label %inrange9672
-range9671:
-  call void @finch_panic_index(ptr @.str.6616, i64 312, i64 %t388, i64 %t390)
+  br i1 %t391, label %range10175, label %inrange10176
+range10175:
+  call void @finch_panic_index(ptr @.str.6834, i64 312, i64 %t388, i64 %t390)
   unreachable
-inrange9672:
+inrange10176:
   %t392 = extractvalue { ptr, i64, i64 } %t389, 0
   %t393 = getelementptr inbounds %S.lsp.StructRec, ptr %t392, i64 %t388
   %t394 = getelementptr inbounds %S.lsp.StructRec, ptr %t393, i32 0, i32 5
@@ -87121,11 +103985,11 @@ inrange9672:
   %t396 = load { ptr, i64, i64 }, ptr %a27
   %t397 = extractvalue { ptr, i64, i64 } %t396, 1
   %t398 = icmp uge i64 3, %t397
-  br i1 %t398, label %range9673, label %inrange9674
-range9673:
-  call void @finch_panic_index(ptr @.str.6617, i64 312, i64 3, i64 %t397)
+  br i1 %t398, label %range10177, label %inrange10178
+range10177:
+  call void @finch_panic_index(ptr @.str.6835, i64 312, i64 3, i64 %t397)
   unreachable
-inrange9674:
+inrange10178:
   %t399 = extractvalue { ptr, i64, i64 } %t396, 0
   %t400 = getelementptr inbounds { ptr, i64, i64 }, ptr %t399, i64 3
   %t401 = load { ptr, i64, i64 }, ptr %t400
@@ -87144,11 +104008,11 @@ inrange9674:
   %t411 = load { ptr, i64, i64 }, ptr %t409
   %t412 = extractvalue { ptr, i64, i64 } %t411, 1
   %t413 = icmp uge i64 %t410, %t412
-  br i1 %t413, label %range9675, label %inrange9676
-range9675:
-  call void @finch_panic_index(ptr @.str.6618, i64 313, i64 %t410, i64 %t412)
+  br i1 %t413, label %range10179, label %inrange10180
+range10179:
+  call void @finch_panic_index(ptr @.str.6836, i64 313, i64 %t410, i64 %t412)
   unreachable
-inrange9676:
+inrange10180:
   %t414 = extractvalue { ptr, i64, i64 } %t411, 0
   %t415 = getelementptr inbounds %S.lsp.StructRec, ptr %t414, i64 %t410
   %t416 = getelementptr inbounds %S.lsp.StructRec, ptr %t415, i32 0, i32 6
@@ -87156,11 +104020,11 @@ inrange9676:
   %t418 = load { ptr, i64, i64 }, ptr %a27
   %t419 = extractvalue { ptr, i64, i64 } %t418, 1
   %t420 = icmp uge i64 4, %t419
-  br i1 %t420, label %range9677, label %inrange9678
-range9677:
-  call void @finch_panic_index(ptr @.str.6619, i64 313, i64 4, i64 %t419)
+  br i1 %t420, label %range10181, label %inrange10182
+range10181:
+  call void @finch_panic_index(ptr @.str.6837, i64 313, i64 4, i64 %t419)
   unreachable
-inrange9678:
+inrange10182:
   %t421 = extractvalue { ptr, i64, i64 } %t418, 0
   %t422 = getelementptr inbounds { ptr, i64, i64 }, ptr %t421, i64 4
   %t423 = load { ptr, i64, i64 }, ptr %t422
@@ -87174,37 +104038,37 @@ inrange9678:
   %t430 = getelementptr inbounds { ptr, i64, i64 }, ptr %t429, i64 %t427
   store { ptr, i64, i64 } %t426, ptr %t430
   store i64 %t428, ptr %t417
-  br label %endif9670
-else9669:
+  br label %endif10174
+else10173:
   %t431 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t431, ptr %a432
-  store { ptr, i64, i64 } { ptr @.str.6620, i64 2, i64 0 }, ptr %a433
+  store { ptr, i64, i64 } { ptr @.str.6838, i64 2, i64 0 }, ptr %a433
   %t434 = call i32 @finch_str_eq(ptr %a432, ptr %a433)
   %t435 = icmp ne i32 %t434, 0
-  br label %logic.from9679
-logic.from9679:
-  br i1 %t435, label %logic.rhs9680, label %logic.end9681
-logic.rhs9680:
+  br label %logic.from10183
+logic.from10183:
+  br i1 %t435, label %logic.rhs10184, label %logic.end10185
+logic.rhs10184:
   %t436 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t437 = load i64, ptr %t436
   %t438 = icmp sge i64 %t437, 7
-  br label %logic.rend9682
-logic.rend9682:
-  br label %logic.end9681
-logic.end9681:
-  %t439 = phi i1 [ false, %logic.from9679 ], [ %t438, %logic.rend9682 ]
-  br i1 %t439, label %then9683, label %else9684
-then9683:
+  br label %logic.rend10186
+logic.rend10186:
+  br label %logic.end10185
+logic.end10185:
+  %t439 = phi i1 [ false, %logic.from10183 ], [ %t438, %logic.rend10186 ]
+  br i1 %t439, label %then10187, label %else10188
+then10187:
   %t440 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 4
   %t441 = getelementptr inbounds { ptr, i64, i64 }, ptr %t440, i32 0, i32 1
   %t442 = load { ptr, i64, i64 }, ptr %a27
   %t443 = extractvalue { ptr, i64, i64 } %t442, 1
   %t444 = icmp uge i64 1, %t443
-  br i1 %t444, label %range9686, label %inrange9687
-range9686:
-  call void @finch_panic_index(ptr @.str.6621, i64 315, i64 1, i64 %t443)
+  br i1 %t444, label %range10190, label %inrange10191
+range10190:
+  call void @finch_panic_index(ptr @.str.6839, i64 315, i64 1, i64 %t443)
   unreachable
-inrange9687:
+inrange10191:
   %t445 = extractvalue { ptr, i64, i64 } %t442, 0
   %t446 = getelementptr inbounds { ptr, i64, i64 }, ptr %t445, i64 1
   %t447 = load { ptr, i64, i64 }, ptr %t446
@@ -87215,11 +104079,11 @@ inrange9687:
   %t452 = load { ptr, i64, i64 }, ptr %a27
   %t453 = extractvalue { ptr, i64, i64 } %t452, 1
   %t454 = icmp uge i64 2, %t453
-  br i1 %t454, label %range9688, label %inrange9689
-range9688:
-  call void @finch_panic_index(ptr @.str.6622, i64 315, i64 2, i64 %t453)
+  br i1 %t454, label %range10192, label %inrange10193
+range10192:
+  call void @finch_panic_index(ptr @.str.6840, i64 315, i64 2, i64 %t453)
   unreachable
-inrange9689:
+inrange10193:
   %t455 = extractvalue { ptr, i64, i64 } %t452, 0
   %t456 = getelementptr inbounds { ptr, i64, i64 }, ptr %t455, i64 2
   %t457 = load { ptr, i64, i64 }, ptr %t456
@@ -87230,11 +104094,11 @@ inrange9689:
   %t462 = load { ptr, i64, i64 }, ptr %a27
   %t463 = extractvalue { ptr, i64, i64 } %t462, 1
   %t464 = icmp uge i64 3, %t463
-  br i1 %t464, label %range9690, label %inrange9691
-range9690:
-  call void @finch_panic_index(ptr @.str.6623, i64 315, i64 3, i64 %t463)
+  br i1 %t464, label %range10194, label %inrange10195
+range10194:
+  call void @finch_panic_index(ptr @.str.6841, i64 315, i64 3, i64 %t463)
   unreachable
-inrange9691:
+inrange10195:
   %t465 = extractvalue { ptr, i64, i64 } %t462, 0
   %t466 = getelementptr inbounds { ptr, i64, i64 }, ptr %t465, i64 3
   %t467 = load { ptr, i64, i64 }, ptr %t466
@@ -87245,11 +104109,11 @@ inrange9691:
   %t472 = load { ptr, i64, i64 }, ptr %a27
   %t473 = extractvalue { ptr, i64, i64 } %t472, 1
   %t474 = icmp uge i64 4, %t473
-  br i1 %t474, label %range9692, label %inrange9693
-range9692:
-  call void @finch_panic_index(ptr @.str.6624, i64 315, i64 4, i64 %t473)
+  br i1 %t474, label %range10196, label %inrange10197
+range10196:
+  call void @finch_panic_index(ptr @.str.6842, i64 315, i64 4, i64 %t473)
   unreachable
-inrange9693:
+inrange10197:
   %t475 = extractvalue { ptr, i64, i64 } %t472, 0
   %t476 = getelementptr inbounds { ptr, i64, i64 }, ptr %t475, i64 4
   %t477 = load { ptr, i64, i64 }, ptr %t476
@@ -87258,11 +104122,11 @@ inrange9693:
   %t480 = load { ptr, i64, i64 }, ptr %a27
   %t481 = extractvalue { ptr, i64, i64 } %t480, 1
   %t482 = icmp uge i64 5, %t481
-  br i1 %t482, label %range9694, label %inrange9695
-range9694:
-  call void @finch_panic_index(ptr @.str.6625, i64 315, i64 5, i64 %t481)
+  br i1 %t482, label %range10198, label %inrange10199
+range10198:
+  call void @finch_panic_index(ptr @.str.6843, i64 315, i64 5, i64 %t481)
   unreachable
-inrange9695:
+inrange10199:
   %t483 = extractvalue { ptr, i64, i64 } %t480, 0
   %t484 = getelementptr inbounds { ptr, i64, i64 }, ptr %t483, i64 5
   %t485 = load { ptr, i64, i64 }, ptr %t484
@@ -87271,16 +104135,16 @@ inrange9695:
   %t488 = load { ptr, i64, i64 }, ptr %a27
   %t489 = extractvalue { ptr, i64, i64 } %t488, 1
   %t490 = icmp uge i64 6, %t489
-  br i1 %t490, label %range9696, label %inrange9697
-range9696:
-  call void @finch_panic_index(ptr @.str.6626, i64 315, i64 6, i64 %t489)
+  br i1 %t490, label %range10200, label %inrange10201
+range10200:
+  call void @finch_panic_index(ptr @.str.6844, i64 315, i64 6, i64 %t489)
   unreachable
-inrange9697:
+inrange10201:
   %t491 = extractvalue { ptr, i64, i64 } %t488, 0
   %t492 = getelementptr inbounds { ptr, i64, i64 }, ptr %t491, i64 6
   %t493 = load { ptr, i64, i64 }, ptr %t492
   store { ptr, i64, i64 } %t493, ptr %a494
-  store { ptr, i64, i64 } { ptr @.str.6628, i64 1, i64 0 }, ptr %a496
+  store { ptr, i64, i64 } { ptr @.str.6846, i64 1, i64 0 }, ptr %a496
   call void @finch_str_split(ptr %a497, ptr %a494, ptr %a496)
   %t498 = load { ptr, i64, i64 }, ptr %a497
   %t499 = insertvalue %S.lsp.EnumRec %t487, { ptr, i64, i64 } %t498, 5
@@ -87291,37 +104155,37 @@ inrange9697:
   %t503 = getelementptr inbounds %S.lsp.EnumRec, ptr %t502, i64 %t500
   store %S.lsp.EnumRec %t499, ptr %t503
   store i64 %t501, ptr %t441
-  br label %endif9685
-else9684:
+  br label %endif10189
+else10188:
   %t504 = load { ptr, i64, i64 }, ptr %a37
   store { ptr, i64, i64 } %t504, ptr %a505
-  store { ptr, i64, i64 } { ptr @.str.6629, i64 2, i64 0 }, ptr %a506
+  store { ptr, i64, i64 } { ptr @.str.6847, i64 2, i64 0 }, ptr %a506
   %t507 = call i32 @finch_str_eq(ptr %a505, ptr %a506)
   %t508 = icmp ne i32 %t507, 0
-  br label %logic.from9698
-logic.from9698:
-  br i1 %t508, label %logic.rhs9699, label %logic.end9700
-logic.rhs9699:
+  br label %logic.from10202
+logic.from10202:
+  br i1 %t508, label %logic.rhs10203, label %logic.end10204
+logic.rhs10203:
   %t509 = getelementptr inbounds { ptr, i64, i64 }, ptr %a27, i32 0, i32 1
   %t510 = load i64, ptr %t509
   %t511 = icmp sge i64 %t510, 2
-  br label %logic.rend9701
-logic.rend9701:
-  br label %logic.end9700
-logic.end9700:
-  %t512 = phi i1 [ false, %logic.from9698 ], [ %t511, %logic.rend9701 ]
-  br i1 %t512, label %then9702, label %endif9704
-then9702:
+  br label %logic.rend10205
+logic.rend10205:
+  br label %logic.end10204
+logic.end10204:
+  %t512 = phi i1 [ false, %logic.from10202 ], [ %t511, %logic.rend10205 ]
+  br i1 %t512, label %then10206, label %endif10208
+then10206:
   %t513 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 5
   %t514 = getelementptr inbounds { ptr, i64, i64 }, ptr %t513, i32 0, i32 1
   %t515 = load { ptr, i64, i64 }, ptr %a27
   %t516 = extractvalue { ptr, i64, i64 } %t515, 1
   %t517 = icmp uge i64 1, %t516
-  br i1 %t517, label %range9705, label %inrange9706
-range9705:
-  call void @finch_panic_index(ptr @.str.6630, i64 317, i64 1, i64 %t516)
+  br i1 %t517, label %range10209, label %inrange10210
+range10209:
+  call void @finch_panic_index(ptr @.str.6848, i64 317, i64 1, i64 %t516)
   unreachable
-inrange9706:
+inrange10210:
   %t518 = extractvalue { ptr, i64, i64 } %t515, 0
   %t519 = getelementptr inbounds { ptr, i64, i64 }, ptr %t518, i64 1
   %t520 = load { ptr, i64, i64 }, ptr %t519
@@ -87335,139 +104199,635 @@ inrange9706:
   %t527 = getelementptr inbounds { ptr, i64, i64 }, ptr %t526, i64 %t524
   store { ptr, i64, i64 } %t523, ptr %t527
   store i64 %t525, ptr %t514
-  br label %endif9704
-endif9704:
-  br label %endif9685
-endif9685:
-  br label %endif9670
-endif9670:
-  br label %endif9649
-endif9649:
-  br label %endif9624
-endif9624:
-  br label %endif9601
-endif9601:
-  br label %endif9578
-endif9578:
-  br label %endif9569
-else9568:
+  br label %endif10208
+endif10208:
+  br label %endif10189
+endif10189:
+  br label %endif10174
+endif10174:
+  br label %endif10153
+endif10153:
+  br label %endif10128
+endif10128:
+  br label %endif10105
+endif10105:
+  br label %endif10082
+endif10082:
+  call void @finch_str_drop(ptr %a37)
+  call void @finch.drop.arr_str(ptr %a27)
+  br label %endif10073
+else10072:
   %t528 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t529 = getelementptr inbounds %S.lsp.Diag, ptr %t528, i32 0, i32 0
   %t530 = load i1, ptr %t529
   %t531 = xor i1 %t530, true
-  br i1 %t531, label %then9707, label %endif9709
-then9707:
+  br i1 %t531, label %then10211, label %endif10213
+then10211:
   %t532 = load { ptr, i64, i64 }, ptr %a18
   %t533 = call %S.lsp.Diag @finch.lsp.parseDiag({ ptr, i64, i64 } %t532)
   %t534 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
+  %t535 = load %S.lsp.Diag, ptr %t534
   store %S.lsp.Diag %t533, ptr %t534
-  br label %endif9709
-endif9709:
-  br label %endif9569
-endif9569:
-  br label %each.step9565
-each.step9565:
-  %t535 = load i64, ptr %a10
-  %t536 = add i64 %t535, 1
-  store i64 %t536, ptr %a10
-  br label %each.cond9563
-each.end9566:
-  %t537 = load %S.lsp.Analysis, ptr %a2
-  store %S.lsp.Analysis %t537, ptr %a538
-  call void @finch.copy.S_lsp_Analysis(ptr %a539, ptr %a538)
-  %t540 = load %S.lsp.Analysis, ptr %a539
-  ret %S.lsp.Analysis %t540
+  store %S.lsp.Diag %t535, ptr %a536
+  call void @finch.drop.S_lsp_Diag(ptr %a536)
+  br label %endif10213
+endif10213:
+  br label %endif10073
+endif10073:
+  br label %each.step10069
+each.step10069:
+  %t537 = load i64, ptr %a10
+  %t538 = add i64 %t537, 1
+  store i64 %t538, ptr %a10
+  br label %each.cond10067
+each.end10070:
+  call void @finch.drop.arr_str(ptr %a9)
+  %t539 = load %S.lsp.Analysis, ptr %a2
+  ret %S.lsp.Analysis %t539
+}
+
+define internal void @finch.copy.S_lsp_Ref(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.Ref, ptr %src
+  store %S.lsp.Ref %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 4
+  %t5 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 4
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Ref, ptr %dst, i32 0, i32 7
+  %t7 = getelementptr inbounds %S.lsp.Ref, ptr %src, i32 0, i32 7
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_Ref(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.Ref, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10234
+n.cond10234:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10235, label %n.end10236
+n.body10235:
+  %t8 = getelementptr inbounds %S.lsp.Ref, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.Ref, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_Ref(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10234
+n.end10236:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_VarRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.VarRec, ptr %src
+  store %S.lsp.VarRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %dst, i32 0, i32 5
+  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %src, i32 0, i32 5
+  call void @finch_str_copy(ptr %t8, ptr %t9)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_VarRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.VarRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10237
+n.cond10237:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10238, label %n.end10239
+n.body10238:
+  %t8 = getelementptr inbounds %S.lsp.VarRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.VarRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_VarRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10237
+n.end10239:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_FnRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.FnRec, ptr %src
+  store %S.lsp.FnRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 3
+  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 3
+  call void @finch_str_copy(ptr %t8, ptr %t9)
+  %t10 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 7
+  %t11 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 7
+  call void @finch_str_copy(ptr %t10, ptr %t11)
+  %t12 = getelementptr inbounds %S.lsp.FnRec, ptr %dst, i32 0, i32 8
+  %t13 = getelementptr inbounds %S.lsp.FnRec, ptr %src, i32 0, i32 8
+  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_FnRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.FnRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10240
+n.cond10240:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10241, label %n.end10242
+n.body10241:
+  %t8 = getelementptr inbounds %S.lsp.FnRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.FnRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_FnRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10240
+n.end10242:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_StructRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.StructRec, ptr %src
+  store %S.lsp.StructRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 5
+  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
+  %t10 = getelementptr inbounds %S.lsp.StructRec, ptr %dst, i32 0, i32 6
+  %t11 = getelementptr inbounds %S.lsp.StructRec, ptr %src, i32 0, i32 6
+  call void @finch.copy.arr_str(ptr %t10, ptr %t11)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_StructRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.StructRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10243
+n.cond10243:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10244, label %n.end10245
+n.body10244:
+  %t8 = getelementptr inbounds %S.lsp.StructRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.StructRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_StructRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10243
+n.end10245:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_EnumRec(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.EnumRec, ptr %src
+  store %S.lsp.EnumRec %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 0
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 2
+  call void @finch_str_copy(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %dst, i32 0, i32 5
+  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t8, ptr %t9)
+  ret void
+}
+
+define internal void @finch.copy.arr_S_lsp_EnumRec(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.lsp.EnumRec, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10246
+n.cond10246:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10247, label %n.end10248
+n.body10247:
+  %t8 = getelementptr inbounds %S.lsp.EnumRec, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.lsp.EnumRec, ptr %t2, i64 %t6
+  call void @finch.copy.S_lsp_EnumRec(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10246
+n.end10248:
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_Diag(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.Diag, ptr %src
+  store %S.lsp.Diag %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 1
+  %t3 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 1
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Diag, ptr %dst, i32 0, i32 4
+  %t5 = getelementptr inbounds %S.lsp.Diag, ptr %src, i32 0, i32 4
+  call void @finch_str_copy(ptr %t4, ptr %t5)
+  ret void
+}
+
+define internal void @finch.copy.S_lsp_Analysis(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.lsp.Analysis, ptr %src
+  store %S.lsp.Analysis %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 0
+  %t3 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 0
+  call void @finch.copy.arr_S_lsp_Ref(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 1
+  %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 1
+  call void @finch.copy.arr_S_lsp_VarRec(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 2
+  %t7 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 2
+  call void @finch.copy.arr_S_lsp_FnRec(ptr %t6, ptr %t7)
+  %t8 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 3
+  %t9 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 3
+  call void @finch.copy.arr_S_lsp_StructRec(ptr %t8, ptr %t9)
+  %t10 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 4
+  %t11 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 4
+  call void @finch.copy.arr_S_lsp_EnumRec(ptr %t10, ptr %t11)
+  %t12 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 5
+  %t13 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t12, ptr %t13)
+  %t14 = getelementptr inbounds %S.lsp.Analysis, ptr %dst, i32 0, i32 6
+  %t15 = getelementptr inbounds %S.lsp.Analysis, ptr %src, i32 0, i32 6
+  call void @finch.copy.S_lsp_Diag(ptr %t14, ptr %t15)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_Ref(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Ref, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Ref, ptr %a, i32 0, i32 4
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.Ref, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t3)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_Ref(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10249
+n.cond10249:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10250, label %n.end10251
+n.body10250:
+  %t7 = getelementptr inbounds %S.lsp.Ref, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_Ref(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10249
+n.end10251:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_VarRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.VarRec, ptr %a, i32 0, i32 5
+  call void @finch_str_drop(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_VarRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10252
+n.cond10252:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10253, label %n.end10254
+n.body10253:
+  %t7 = getelementptr inbounds %S.lsp.VarRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_VarRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10252
+n.end10254:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_FnRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 3
+  call void @finch_str_drop(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 7
+  call void @finch_str_drop(ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.FnRec, ptr %a, i32 0, i32 8
+  call void @finch.drop.arr_str(ptr %t6)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_FnRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10255
+n.cond10255:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10256, label %n.end10257
+n.body10256:
+  %t7 = getelementptr inbounds %S.lsp.FnRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_FnRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10255
+n.end10257:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_StructRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.StructRec, ptr %a, i32 0, i32 6
+  call void @finch.drop.arr_str(ptr %t5)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_StructRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10258
+n.cond10258:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10259, label %n.end10260
+n.body10259:
+  %t7 = getelementptr inbounds %S.lsp.StructRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_StructRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10258
+n.end10260:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_EnumRec(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 2
+  call void @finch_str_drop(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.EnumRec, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t4)
+  ret void
+}
+
+define internal void @finch.drop.arr_S_lsp_EnumRec(ptr %a) {
+entry:
+  %a4 = alloca i64, align 16
+  %t1 = load ptr, ptr %a
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  store i64 0, ptr %a4
+  br label %n.cond10261
+n.cond10261:
+  %t5 = load i64, ptr %a4
+  %t6 = icmp slt i64 %t5, %t3
+  br i1 %t6, label %n.body10262, label %n.end10263
+n.body10262:
+  %t7 = getelementptr inbounds %S.lsp.EnumRec, ptr %t1, i64 %t5
+  call void @finch.drop.S_lsp_EnumRec(ptr %t7)
+  %t8 = load i64, ptr %a4
+  %t9 = add i64 %t8, 1
+  store i64 %t9, ptr %a4
+  br label %n.cond10261
+n.end10263:
+  call void @finch_arr_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_Analysis(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_S_lsp_Ref(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 1
+  call void @finch.drop.arr_S_lsp_VarRec(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 2
+  call void @finch.drop.arr_S_lsp_FnRec(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 3
+  call void @finch.drop.arr_S_lsp_StructRec(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 4
+  call void @finch.drop.arr_S_lsp_EnumRec(ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
+  %t7 = getelementptr inbounds %S.lsp.Analysis, ptr %a, i32 0, i32 6
+  call void @finch.drop.S_lsp_Diag(ptr %t7)
+  ret void
 }
 
 define internal void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
-  %a5 = alloca { ptr, i64, i64 }, align 16
-  %a6 = alloca { ptr, i64, i64 }, align 16
-  %a8 = alloca { ptr, i64, i64 }, align 16
-  %a9 = alloca { ptr, i64, i64 }, align 16
-  %a10 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca i64, align 16
-  %a18 = alloca { ptr, i64, i64 }, align 16
-  %a22 = alloca i64, align 16
-  %a25 = alloca i64, align 16
-  %a41 = alloca { ptr, i64, i64 }, align 16
-  %a42 = alloca i64, align 16
+  %a5 = alloca i64, align 16
+  %a7 = alloca { ptr, i64, i64 }, align 16
+  %a11 = alloca i64, align 16
+  %a14 = alloca i64, align 16
+  %a30 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca i64, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
+  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
+  %a51 = alloca { ptr, i64, i64 }, align 16
+  %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a54 = alloca { ptr, i64, i64 }, align 16
   %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
   %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
-  %a62 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a65 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a76 = alloca { ptr, i64, i64 }, align 16
-  %a77 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a88 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a89 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
   %a92 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a95 = alloca { ptr, i64, i64 }, align 16
   %a96 = alloca { ptr, i64, i64 }, align 16
   %a97 = alloca { ptr, i64, i64 }, align 16
   %a98 = alloca { ptr, i64, i64 }, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
+  %a99 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca { ptr, i64, i64 }, align 16
   %a103 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a106 = alloca { ptr, i64, i64 }, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca { ptr, i64, i64 }, align 16
-  %a116 = alloca { ptr, i64, i64 }, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
+  %a110 = alloca { ptr, i64, i64 }, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a114 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
   %a119 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca { ptr, i64, i64 }, align 16
-  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a120 = alloca { ptr, i64, i64 }, align 16
+  %a121 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
   %a128 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a129 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a133 = alloca { ptr, i64, i64 }, align 16
+  %a134 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca { ptr, i64, i64 }, align 16
   %a137 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
-  %a141 = alloca { ptr, i64, i64 }, align 16
-  %a142 = alloca { ptr, i64, i64 }, align 16
   %a144 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
+  %a147 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
   %a150 = alloca { ptr, i64, i64 }, align 16
   %a151 = alloca { ptr, i64, i64 }, align 16
+  %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
-  %a161 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a165 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca %S.lsp.Analysis, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca i32, align 16
-  %a190 = alloca %S.lsp.Analysis, align 16
-  %a191 = alloca %S.lsp.Analysis, align 16
+  %a169 = alloca %S.lsp.Analysis, align 16
+  %a177 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca i32, align 16
+  %a188 = alloca %S.lsp.Analysis, align 16
+  %a189 = alloca %S.lsp.Analysis, align 16
+  %a192 = alloca %S.lsp.Analysis, align 16
   %a195 = alloca { ptr, i64, i64 }, align 16
   %a200 = alloca { ptr, i64, i64 }, align 16
   %a203 = alloca { ptr, i64, i64 }, align 16
@@ -87477,280 +104837,309 @@ entry:
   %a213 = alloca %S.lsp.Analysis, align 16
   %a217 = alloca { ptr, i64, i64 }, align 16
   %a218 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca { ptr, i64, i64 }, align 16
   %a229 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a233 = alloca { ptr, i64, i64 }, align 16
+  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
   %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a251 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca i32, align 16
-  %a262 = alloca %S.lsp.Analysis, align 16
-  %a263 = alloca %S.lsp.Analysis, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca i32, align 16
+  %a272 = alloca %S.lsp.Analysis, align 16
+  %a273 = alloca %S.lsp.Analysis, align 16
+  %a276 = alloca %S.lsp.Analysis, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
   %t3 = load { ptr, i64, i64 }, ptr %t2
-  store { ptr, i64, i64 } { ptr @.str.6631, i64 10, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } %t3, ptr %a6
-  call void @finch_str_concat(ptr %a4, ptr %a5, ptr %a6)
-  %t7 = load { ptr, i64, i64 }, ptr %a4
-  store { ptr, i64, i64 } %t7, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.6632, i64 1, i64 0 }, ptr %a10
-  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
-  %t11 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t11, ptr %a13
-  call void @finch_str_copy(ptr %a12, ptr %a13)
-  %t14 = call i64 @finch_shell(ptr %a12)
-  store { ptr, i64, i64 } { ptr @.str.6633, i64 0, i64 0 }, ptr %a15
-  store i64 0, ptr %a16
-  %t17 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %a18
-  %t19 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t17, i32 0, i32 1
-  %t20 = load i64, ptr %t19
-  call void @finch_arr_make(ptr %a18, i64 %t20, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t21 = load ptr, ptr %a18
-  store i64 0, ptr %a22
-  %t23 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t17, i32 0, i32 2
-  %t24 = load i64, ptr %t23
-  store i64 0, ptr %a25
-  br label %n.cond9725
-n.cond9725:
-  %t26 = load i64, ptr %a25
-  %t27 = icmp slt i64 %t26, %t24
-  br i1 %t27, label %n.body9726, label %n.end9727
-n.body9726:
-  %t28 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t17, i32 0, i32 0
-  %t29 = load ptr, ptr %t28
-  %t30 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t29, i64 %t26
-  %t31 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t30, i32 0, i32 0
-  %t32 = load i64, ptr %t31
-  %t33 = icmp ne i64 %t32, 0
-  br i1 %t33, label %entry.live9728, label %entry.next9729
-entry.live9728:
-  %t34 = load i64, ptr %a22
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i64 %t34
-  %t36 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t30, i32 0, i32 1
-  call void @finch_str_copy(ptr %t35, ptr %t36)
-  %t37 = add i64 %t34, 1
-  store i64 %t37, ptr %a22
-  br label %entry.next9729
-entry.next9729:
-  %t38 = load i64, ptr %a25
-  %t39 = add i64 %t38, 1
-  store i64 %t39, ptr %a25
-  br label %n.cond9725
-n.end9727:
-  %t40 = load { ptr, i64, i64 }, ptr %a18
-  store { ptr, i64, i64 } %t40, ptr %a41
-  store i64 0, ptr %a42
-  br label %each.cond9730
-each.cond9730:
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %a41, i32 0, i32 1
-  %t44 = load i64, ptr %t43
-  %t45 = load i64, ptr %a42
-  %t46 = icmp slt i64 %t45, %t44
-  br i1 %t46, label %each.body9731, label %each.end9733
-each.body9731:
-  %t47 = load ptr, ptr %a41
-  %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t45
-  %t49 = load { ptr, i64, i64 }, ptr %t48
-  store { ptr, i64, i64 } %t49, ptr %a50
-  %t51 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
-  %t52 = load { ptr, i64, i64 }, ptr %t51
-  store { ptr, i64, i64 } %t52, ptr %a54
-  store { ptr, i64, i64 } { ptr @.str.6634, i64 4, i64 0 }, ptr %a55
-  call void @finch_str_concat(ptr %a53, ptr %a54, ptr %a55)
-  %t56 = load { ptr, i64, i64 }, ptr %a53
-  %t57 = load i64, ptr %a16
-  call void @finch_str_from_int(ptr %a58, i64 %t57)
-  %t59 = load { ptr, i64, i64 }, ptr %a58
-  store { ptr, i64, i64 } %t56, ptr %a61
-  store { ptr, i64, i64 } %t59, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  store { ptr, i64, i64 } %t63, ptr %a65
-  store { ptr, i64, i64 } { ptr @.str.6635, i64 4, i64 0 }, ptr %a66
-  call void @finch_str_concat(ptr %a64, ptr %a65, ptr %a66)
-  %t67 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t67, ptr %a68
-  %t69 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t69, ptr %a70
-  %t71 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t72 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t72, ptr %a73
-  %t74 = call i64 @finch_map_find(ptr %t71, ptr %a73, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t75 = icmp slt i64 %t74, 0
-  br i1 %t75, label %map.missing9734, label %map.found9735
-map.missing9734:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a76
-  store { ptr, i64, i64 } %t72, ptr %a77
-  call void @finch_buf_str(ptr %a76, ptr %a77, i32 1)
-  call void @finch_map_missing(ptr @.str.6636, i64 333, ptr %a76)
+  call void @finch.host.makeDirs({ ptr, i64, i64 } %t3)
+  store { ptr, i64, i64 } { ptr @.str.6849, i64 0, i64 0 }, ptr %a4
+  store i64 0, ptr %a5
+  %t6 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %a7
+  %t8 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 1
+  %t9 = load i64, ptr %t8
+  call void @finch_arr_make(ptr %a7, i64 %t9, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t10 = load ptr, ptr %a7
+  store i64 0, ptr %a11
+  %t12 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 2
+  %t13 = load i64, ptr %t12
+  store i64 0, ptr %a14
+  br label %n.cond10214
+n.cond10214:
+  %t15 = load i64, ptr %a14
+  %t16 = icmp slt i64 %t15, %t13
+  br i1 %t16, label %n.body10215, label %n.end10216
+n.body10215:
+  %t17 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t6, i32 0, i32 0
+  %t18 = load ptr, ptr %t17
+  %t19 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t18, i64 %t15
+  %t20 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t19, i32 0, i32 0
+  %t21 = load i64, ptr %t20
+  %t22 = icmp ne i64 %t21, 0
+  br i1 %t22, label %entry.live10217, label %entry.next10218
+entry.live10217:
+  %t23 = load i64, ptr %a11
+  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t23
+  %t25 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t19, i32 0, i32 1
+  call void @finch_str_copy(ptr %t24, ptr %t25)
+  %t26 = add i64 %t23, 1
+  store i64 %t26, ptr %a11
+  br label %entry.next10218
+entry.next10218:
+  %t27 = load i64, ptr %a14
+  %t28 = add i64 %t27, 1
+  store i64 %t28, ptr %a14
+  br label %n.cond10214
+n.end10216:
+  %t29 = load { ptr, i64, i64 }, ptr %a7
+  store { ptr, i64, i64 } %t29, ptr %a30
+  store i64 0, ptr %a31
+  br label %each.cond10219
+each.cond10219:
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a30, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = load i64, ptr %a31
+  %t35 = icmp slt i64 %t34, %t33
+  br i1 %t35, label %each.body10220, label %each.end10222
+each.body10220:
+  %t36 = load ptr, ptr %a30
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i64 %t34
+  %t38 = load { ptr, i64, i64 }, ptr %t37
+  store { ptr, i64, i64 } %t38, ptr %a39
+  %t40 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
+  %t41 = load { ptr, i64, i64 }, ptr %t40
+  store { ptr, i64, i64 } %t41, ptr %a43
+  store { ptr, i64, i64 } { ptr @.str.6850, i64 4, i64 0 }, ptr %a44
+  call void @finch_str_concat(ptr %a42, ptr %a43, ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a42
+  %t46 = load i64, ptr %a5
+  call void @finch_str_from_int(ptr %a47, i64 %t46)
+  %t48 = load { ptr, i64, i64 }, ptr %a47
+  store { ptr, i64, i64 } %t45, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a51
+  call void @finch_str_concat(ptr %a49, ptr %a50, ptr %a51)
+  store { ptr, i64, i64 } %t45, ptr %a52
+  call void @finch_str_drop(ptr %a52)
+  store { ptr, i64, i64 } %t48, ptr %a53
+  call void @finch_str_drop(ptr %a53)
+  %t54 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } %t54, ptr %a56
+  store { ptr, i64, i64 } { ptr @.str.6851, i64 4, i64 0 }, ptr %a57
+  call void @finch_str_concat(ptr %a55, ptr %a56, ptr %a57)
+  store { ptr, i64, i64 } %t54, ptr %a58
+  call void @finch_str_drop(ptr %a58)
+  %t59 = load { ptr, i64, i64 }, ptr %a55
+  store { ptr, i64, i64 } %t59, ptr %a60
+  %t61 = load { ptr, i64, i64 }, ptr %a60
+  %t62 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t63 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t63, ptr %a64
+  %t65 = call i64 @finch_map_find(ptr %t62, ptr %a64, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t66 = icmp slt i64 %t65, 0
+  br i1 %t66, label %map.missing10223, label %map.found10224
+map.missing10223:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a67
+  store { ptr, i64, i64 } %t63, ptr %a68
+  call void @finch_buf_str(ptr %a67, ptr %a68, i32 1)
+  call void @finch_map_missing(ptr @.str.6852, i64 333, ptr %a67)
   unreachable
-map.found9735:
-  %t78 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t71, i32 0, i32 0
-  %t79 = load ptr, ptr %t78
-  %t80 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t79, i64 %t74
-  %t81 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t80, i32 0, i32 2
-  %t82 = load { ptr, i64, i64 }, ptr %t81
-  store { ptr, i64, i64 } %t82, ptr %a83
-  %t84 = call i32 @finch_write_file(ptr %a70, ptr %a83)
-  %t85 = icmp ne i32 %t84, 0
-  %t86 = load { ptr, i64, i64 }, ptr %a15
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.6637, i64 12, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = load { ptr, i64, i64 }, ptr %a50
-  store { ptr, i64, i64 } %t90, ptr %a93
-  store { ptr, i64, i64 } %t91, ptr %a94
-  call void @finch_str_concat(ptr %a92, ptr %a93, ptr %a94)
-  %t95 = load { ptr, i64, i64 }, ptr %a92
-  store { ptr, i64, i64 } %t95, ptr %a97
-  store { ptr, i64, i64 } { ptr @.str.6638, i64 1, i64 0 }, ptr %a98
+map.found10224:
+  %t69 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t62, i32 0, i32 0
+  %t70 = load ptr, ptr %t69
+  %t71 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t70, i64 %t65
+  %t72 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t71, i32 0, i32 2
+  %t73 = load { ptr, i64, i64 }, ptr %t72
+  store { ptr, i64, i64 } %t61, ptr %a74
+  store { ptr, i64, i64 } %t73, ptr %a75
+  %t76 = call i32 @finch_write_file(ptr %a74, ptr %a75)
+  %t77 = icmp ne i32 %t76, 0
+  %t78 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t78, ptr %a80
+  store { ptr, i64, i64 } { ptr @.str.6853, i64 11, i64 0 }, ptr %a81
+  call void @finch_str_concat(ptr %a79, ptr %a80, ptr %a81)
+  %t82 = load { ptr, i64, i64 }, ptr %a79
+  %t83 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t83, ptr %a85
+  store { ptr, i64, i64 } { ptr @.str.6854, i64 1, i64 0 }, ptr %a86
+  call void @finch_str_concat(ptr %a84, ptr %a85, ptr %a86)
+  %t87 = load { ptr, i64, i64 }, ptr %a84
+  %t88 = load { ptr, i64, i64 }, ptr %a60
+  store { ptr, i64, i64 } %t87, ptr %a90
+  store { ptr, i64, i64 } %t88, ptr %a91
+  call void @finch_str_concat(ptr %a89, ptr %a90, ptr %a91)
+  store { ptr, i64, i64 } %t87, ptr %a92
+  call void @finch_str_drop(ptr %a92)
+  %t93 = load { ptr, i64, i64 }, ptr %a89
+  %t94 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t93)
+  store { ptr, i64, i64 } %t93, ptr %a95
+  call void @finch_str_drop(ptr %a95)
+  store { ptr, i64, i64 } %t82, ptr %a97
+  store { ptr, i64, i64 } %t94, ptr %a98
   call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
-  %t99 = load { ptr, i64, i64 }, ptr %a96
-  %t100 = load { ptr, i64, i64 }, ptr %a68
-  store { ptr, i64, i64 } %t99, ptr %a102
-  store { ptr, i64, i64 } %t100, ptr %a103
-  call void @finch_str_concat(ptr %a101, ptr %a102, ptr %a103)
-  %t104 = load { ptr, i64, i64 }, ptr %a101
-  store { ptr, i64, i64 } %t104, ptr %a106
-  store { ptr, i64, i64 } { ptr @.str.6639, i64 1, i64 0 }, ptr %a107
-  call void @finch_str_concat(ptr %a105, ptr %a106, ptr %a107)
-  %t108 = load { ptr, i64, i64 }, ptr %a105
-  store { ptr, i64, i64 } %t108, ptr %a15
-  %t109 = load i64, ptr %a16
-  %t110 = add i64 %t109, 1
-  store i64 %t110, ptr %a16
-  br label %each.step9732
-each.step9732:
-  %t111 = load i64, ptr %a42
-  %t112 = add i64 %t111, 1
-  store i64 %t112, ptr %a42
-  br label %each.cond9730
-each.end9733:
-  %t113 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
-  %t114 = load { ptr, i64, i64 }, ptr %t113
-  store { ptr, i64, i64 } %t114, ptr %a116
-  store { ptr, i64, i64 } { ptr @.str.6640, i64 8, i64 0 }, ptr %a117
-  call void @finch_str_concat(ptr %a115, ptr %a116, ptr %a117)
-  %t118 = load { ptr, i64, i64 }, ptr %a115
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 0
-  %t121 = load { ptr, i64, i64 }, ptr %t120
-  store { ptr, i64, i64 } { ptr @.str.6641, i64 1, i64 0 }, ptr %a123
-  store { ptr, i64, i64 } %t121, ptr %a124
-  call void @finch_str_concat(ptr %a122, ptr %a123, ptr %a124)
-  %t125 = load { ptr, i64, i64 }, ptr %a122
-  store { ptr, i64, i64 } %t125, ptr %a127
-  store { ptr, i64, i64 } { ptr @.str.6642, i64 9, i64 0 }, ptr %a128
-  call void @finch_str_concat(ptr %a126, ptr %a127, ptr %a128)
-  %t129 = load { ptr, i64, i64 }, ptr %a126
-  %t130 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t129, ptr %a132
+  store { ptr, i64, i64 } %t82, ptr %a99
+  call void @finch_str_drop(ptr %a99)
+  store { ptr, i64, i64 } %t94, ptr %a100
+  call void @finch_str_drop(ptr %a100)
+  %t101 = load { ptr, i64, i64 }, ptr %a96
+  %t102 = load { ptr, i64, i64 }, ptr %a4
+  store { ptr, i64, i64 } %t101, ptr %a4
+  store { ptr, i64, i64 } %t102, ptr %a103
+  call void @finch_str_drop(ptr %a103)
+  %t104 = load i64, ptr %a5
+  %t105 = add i64 %t104, 1
+  store i64 %t105, ptr %a5
+  call void @finch_str_drop(ptr %a60)
+  br label %each.step10221
+each.step10221:
+  %t106 = load i64, ptr %a31
+  %t107 = add i64 %t106, 1
+  store i64 %t107, ptr %a31
+  br label %each.cond10219
+each.end10222:
+  call void @finch.drop.arr_str(ptr %a30)
+  %t108 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 1
+  %t109 = load { ptr, i64, i64 }, ptr %t108
+  store { ptr, i64, i64 } %t109, ptr %a111
+  store { ptr, i64, i64 } { ptr @.str.6855, i64 8, i64 0 }, ptr %a112
+  call void @finch_str_concat(ptr %a110, ptr %a111, ptr %a112)
+  %t113 = load { ptr, i64, i64 }, ptr %a110
+  store { ptr, i64, i64 } %t113, ptr %a114
+  %t115 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 0
+  %t116 = load { ptr, i64, i64 }, ptr %t115
+  %t117 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t116)
+  store { ptr, i64, i64 } %t117, ptr %a119
+  store { ptr, i64, i64 } { ptr @.str.6856, i64 7, i64 0 }, ptr %a120
+  call void @finch_str_concat(ptr %a118, ptr %a119, ptr %a120)
+  store { ptr, i64, i64 } %t117, ptr %a121
+  call void @finch_str_drop(ptr %a121)
+  %t122 = load { ptr, i64, i64 }, ptr %a118
+  %t123 = load { ptr, i64, i64 }, ptr %a1
+  %t124 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t123)
+  store { ptr, i64, i64 } %t122, ptr %a126
+  store { ptr, i64, i64 } %t124, ptr %a127
+  call void @finch_str_concat(ptr %a125, ptr %a126, ptr %a127)
+  store { ptr, i64, i64 } %t122, ptr %a128
+  call void @finch_str_drop(ptr %a128)
+  store { ptr, i64, i64 } %t124, ptr %a129
+  call void @finch_str_drop(ptr %a129)
+  %t130 = load { ptr, i64, i64 }, ptr %a125
+  %t131 = load { ptr, i64, i64 }, ptr %a4
   store { ptr, i64, i64 } %t130, ptr %a133
-  call void @finch_str_concat(ptr %a131, ptr %a132, ptr %a133)
-  %t134 = load { ptr, i64, i64 }, ptr %a131
-  store { ptr, i64, i64 } %t134, ptr %a136
-  store { ptr, i64, i64 } { ptr @.str.6643, i64 1, i64 0 }, ptr %a137
-  call void @finch_str_concat(ptr %a135, ptr %a136, ptr %a137)
-  %t138 = load { ptr, i64, i64 }, ptr %a135
-  %t139 = load { ptr, i64, i64 }, ptr %a15
-  store { ptr, i64, i64 } %t138, ptr %a141
-  store { ptr, i64, i64 } %t139, ptr %a142
-  call void @finch_str_concat(ptr %a140, ptr %a141, ptr %a142)
-  %t143 = load { ptr, i64, i64 }, ptr %a140
-  store { ptr, i64, i64 } %t143, ptr %a145
-  store { ptr, i64, i64 } { ptr @.str.6644, i64 4, i64 0 }, ptr %a146
+  store { ptr, i64, i64 } %t131, ptr %a134
+  call void @finch_str_concat(ptr %a132, ptr %a133, ptr %a134)
+  store { ptr, i64, i64 } %t130, ptr %a135
+  call void @finch_str_drop(ptr %a135)
+  %t136 = load { ptr, i64, i64 }, ptr %a132
+  store { ptr, i64, i64 } %t136, ptr %a138
+  store { ptr, i64, i64 } { ptr @.str.6857, i64 3, i64 0 }, ptr %a139
+  call void @finch_str_concat(ptr %a137, ptr %a138, ptr %a139)
+  store { ptr, i64, i64 } %t136, ptr %a140
+  call void @finch_str_drop(ptr %a140)
+  %t141 = load { ptr, i64, i64 }, ptr %a137
+  %t142 = load { ptr, i64, i64 }, ptr %a114
+  %t143 = call { ptr, i64, i64 } @finch.host.quote({ ptr, i64, i64 } %t142)
+  store { ptr, i64, i64 } %t141, ptr %a145
+  store { ptr, i64, i64 } %t143, ptr %a146
   call void @finch_str_concat(ptr %a144, ptr %a145, ptr %a146)
-  %t147 = load { ptr, i64, i64 }, ptr %a144
-  %t148 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t147, ptr %a150
-  store { ptr, i64, i64 } %t148, ptr %a151
-  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
-  %t152 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t152, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.6645, i64 6, i64 0 }, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  store { ptr, i64, i64 } %t156, ptr %a158
-  call void @finch_str_copy(ptr %a157, ptr %a158)
-  %t159 = call i64 @finch_shell(ptr %a157)
-  %t160 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t160, ptr %a161
-  store { ptr, i64, i64 } zeroinitializer, ptr %a162
-  store { ptr, i64, i64 } zeroinitializer, ptr %a163
-  %t164 = call i32 @finch_try_read_file(ptr %a162, ptr %a161, ptr %a163)
-  %t165 = icmp eq i32 %t164, 0
-  %t166 = load { ptr, i64, i64 }, ptr %a163
-  %t167 = load { ptr, i64, i64 }, ptr %a162
-  br i1 %t165, label %or.failed9736, label %or.ok9737
-or.failed9736:
+  store { ptr, i64, i64 } %t141, ptr %a147
+  call void @finch_str_drop(ptr %a147)
+  store { ptr, i64, i64 } %t143, ptr %a148
+  call void @finch_str_drop(ptr %a148)
+  %t149 = load { ptr, i64, i64 }, ptr %a144
+  store { ptr, i64, i64 } %t149, ptr %a151
+  store { ptr, i64, i64 } { ptr @.str.6858, i64 5, i64 0 }, ptr %a152
+  call void @finch_str_concat(ptr %a150, ptr %a151, ptr %a152)
+  store { ptr, i64, i64 } %t149, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load { ptr, i64, i64 }, ptr %a150
+  %t155 = call i64 @finch.host.run({ ptr, i64, i64 } %t154)
+  store { ptr, i64, i64 } %t154, ptr %a156
+  call void @finch_str_drop(ptr %a156)
+  %t157 = load { ptr, i64, i64 }, ptr %a114
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } zeroinitializer, ptr %a159
+  store { ptr, i64, i64 } zeroinitializer, ptr %a160
+  %t161 = call i32 @finch_try_read_file(ptr %a159, ptr %a158, ptr %a160)
+  %t162 = icmp eq i32 %t161, 0
+  %t163 = load { ptr, i64, i64 }, ptr %a160
+  %t164 = load { ptr, i64, i64 }, ptr %a159
+  br i1 %t162, label %or.failed10225, label %or.ok10226
+or.failed10225:
+  store { ptr, i64, i64 } %t163, ptr %a165
+  call void @finch_str_drop(ptr %a165)
+  br label %or.bend10227
+or.bend10227:
+  br label %or.end10228
+or.ok10226:
+  br label %or.end10228
+or.end10228:
+  %t166 = phi { ptr, i64, i64 } [ { ptr @.str.6859, i64 0, i64 0 }, %or.bend10227 ], [ %t164, %or.ok10226 ]
+  %t167 = call %S.lsp.Analysis @finch.lsp.parseOutput({ ptr, i64, i64 } %t166)
   store { ptr, i64, i64 } %t166, ptr %a168
-  br label %or.bend9738
-or.bend9738:
-  br label %or.end9739
-or.ok9737:
-  br label %or.end9739
-or.end9739:
-  %t169 = phi { ptr, i64, i64 } [ { ptr @.str.6646, i64 0, i64 0 }, %or.bend9738 ], [ %t167, %or.ok9737 ]
-  %t170 = call %S.lsp.Analysis @finch.lsp.parseOutput({ ptr, i64, i64 } %t169)
-  store %S.lsp.Analysis %t170, ptr %a171
-  %t172 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 6
-  %t173 = getelementptr inbounds %S.lsp.Diag, ptr %t172, i32 0, i32 0
-  %t174 = load i1, ptr %t173
-  %t175 = xor i1 %t174, true
-  br i1 %t175, label %then9740, label %else9741
-then9740:
-  %t176 = load %S.lsp.Analysis, ptr %a171
-  %t177 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
-  %t178 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t178, ptr %a179
-  store i32 0, ptr %a180
-  %t181 = call i64 @finch_map_slot(ptr %t177, ptr %a179, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a180)
-  %t182 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t177, i32 0, i32 0
-  %t183 = load ptr, ptr %t182
-  %t184 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t183, i64 %t181
-  %t185 = load i32, ptr %a180
-  %t186 = icmp ne i32 %t185, 0
-  br i1 %t186, label %map.new9743, label %map.have9744
-map.new9743:
-  %t187 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t184, i32 0, i32 1
-  call void @finch_str_copy(ptr %t187, ptr %a179)
-  %t188 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t184, i32 0, i32 2
-  store %S.lsp.Analysis zeroinitializer, ptr %t188
-  br label %map.have9744
-map.have9744:
-  %t189 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t184, i32 0, i32 2
-  store %S.lsp.Analysis %t176, ptr %a190
-  call void @finch.copy.S_lsp_Analysis(ptr %a191, ptr %a190)
-  %t192 = load %S.lsp.Analysis, ptr %a191
-  store %S.lsp.Analysis %t192, ptr %t189
-  br label %endif9742
-else9741:
+  call void @finch_str_drop(ptr %a168)
+  store %S.lsp.Analysis %t167, ptr %a169
+  %t170 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 6
+  %t171 = getelementptr inbounds %S.lsp.Diag, ptr %t170, i32 0, i32 0
+  %t172 = load i1, ptr %t171
+  %t173 = xor i1 %t172, true
+  br i1 %t173, label %then10229, label %else10230
+then10229:
+  %t174 = load %S.lsp.Analysis, ptr %a169
+  %t175 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
+  %t176 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t176, ptr %a177
+  store i32 0, ptr %a178
+  %t179 = call i64 @finch_map_slot(ptr %t175, ptr %a177, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a178)
+  %t180 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t175, i32 0, i32 0
+  %t181 = load ptr, ptr %t180
+  %t182 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t181, i64 %t179
+  %t183 = load i32, ptr %a178
+  %t184 = icmp ne i32 %t183, 0
+  br i1 %t184, label %map.new10232, label %map.have10233
+map.new10232:
+  %t185 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t182, i32 0, i32 1
+  call void @finch_str_copy(ptr %t185, ptr %a177)
+  %t186 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t182, i32 0, i32 2
+  store %S.lsp.Analysis zeroinitializer, ptr %t186
+  br label %map.have10233
+map.have10233:
+  %t187 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t182, i32 0, i32 2
+  store %S.lsp.Analysis %t174, ptr %a188
+  call void @finch.copy.S_lsp_Analysis(ptr %a189, ptr %a188)
+  %t190 = load %S.lsp.Analysis, ptr %a189
+  %t191 = load %S.lsp.Analysis, ptr %t187
+  store %S.lsp.Analysis %t190, ptr %t187
+  store %S.lsp.Analysis %t191, ptr %a192
+  call void @finch.drop.S_lsp_Analysis(ptr %a192)
+  br label %endif10231
+else10230:
   %t193 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
   %t194 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t194, ptr %a195
   %t196 = call i64 @finch_map_find(ptr %t193, ptr %a195, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t197 = icmp sge i64 %t196, 0
-  br i1 %t197, label %then9745, label %endif9747
-then9745:
+  br i1 %t197, label %then10264, label %endif10266
+then10264:
   %t198 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
   %t199 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t199, ptr %a200
   %t201 = call i64 @finch_map_find(ptr %t198, ptr %a200, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t202 = icmp slt i64 %t201, 0
-  br i1 %t202, label %map.missing9748, label %map.found9749
-map.missing9748:
+  br i1 %t202, label %map.missing10267, label %map.found10268
+map.missing10267:
   store { ptr, i64, i64 } zeroinitializer, ptr %a203
   store { ptr, i64, i64 } %t199, ptr %a204
   call void @finch_buf_str(ptr %a203, ptr %a204, i32 1)
-  call void @finch_map_missing(ptr @.str.6647, i64 344, ptr %a203)
+  call void @finch_map_missing(ptr @.str.6860, i64 344, ptr %a203)
   unreachable
-map.found9749:
+map.found10268:
   %t205 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t198, i32 0, i32 0
   %t206 = load ptr, ptr %t205
   %t207 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t206, i64 %t201
@@ -87762,78 +105151,100 @@ map.found9749:
   store %S.lsp.Analysis %t212, ptr %a213
   %t214 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 2
   %t215 = load { ptr, i64, i64 }, ptr %t214
-  %t216 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 2
+  %t216 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 2
   store { ptr, i64, i64 } %t215, ptr %a217
   call void @finch.copy.arr_S_lsp_FnRec(ptr %a218, ptr %a217)
   %t219 = load { ptr, i64, i64 }, ptr %a218
+  %t220 = load { ptr, i64, i64 }, ptr %t216
   store { ptr, i64, i64 } %t219, ptr %t216
-  %t220 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 3
-  %t221 = load { ptr, i64, i64 }, ptr %t220
-  %t222 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 3
-  store { ptr, i64, i64 } %t221, ptr %a223
-  call void @finch.copy.arr_S_lsp_StructRec(ptr %a224, ptr %a223)
-  %t225 = load { ptr, i64, i64 }, ptr %a224
-  store { ptr, i64, i64 } %t225, ptr %t222
-  %t226 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 4
-  %t227 = load { ptr, i64, i64 }, ptr %t226
-  %t228 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 4
-  store { ptr, i64, i64 } %t227, ptr %a229
-  call void @finch.copy.arr_S_lsp_EnumRec(ptr %a230, ptr %a229)
-  %t231 = load { ptr, i64, i64 }, ptr %a230
-  store { ptr, i64, i64 } %t231, ptr %t228
-  %t232 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 1
-  %t233 = load { ptr, i64, i64 }, ptr %t232
-  %t234 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 1
-  store { ptr, i64, i64 } %t233, ptr %a235
-  call void @finch.copy.arr_S_lsp_VarRec(ptr %a236, ptr %a235)
-  %t237 = load { ptr, i64, i64 }, ptr %a236
-  store { ptr, i64, i64 } %t237, ptr %t234
-  %t238 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 5
-  %t239 = getelementptr inbounds { ptr, i64, i64 }, ptr %t238, i32 0, i32 1
-  %t240 = load i64, ptr %t239
-  %t241 = icmp eq i64 %t240, 0
-  br i1 %t241, label %then9750, label %endif9752
-then9750:
-  %t242 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 5
-  %t243 = load { ptr, i64, i64 }, ptr %t242
-  %t244 = getelementptr inbounds %S.lsp.Analysis, ptr %a171, i32 0, i32 5
-  store { ptr, i64, i64 } %t243, ptr %a245
-  call void @finch.copy.arr_str(ptr %a246, ptr %a245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  store { ptr, i64, i64 } %t247, ptr %t244
-  br label %endif9752
-endif9752:
-  br label %endif9747
-endif9747:
-  br label %endif9742
-endif9742:
-  %t248 = load %S.lsp.Analysis, ptr %a171
-  %t249 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t250 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t250, ptr %a251
-  store i32 0, ptr %a252
-  %t253 = call i64 @finch_map_slot(ptr %t249, ptr %a251, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a252)
-  %t254 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t249, i32 0, i32 0
-  %t255 = load ptr, ptr %t254
-  %t256 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t255, i64 %t253
-  %t257 = load i32, ptr %a252
-  %t258 = icmp ne i32 %t257, 0
-  br i1 %t258, label %map.new9753, label %map.have9754
-map.new9753:
-  %t259 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t256, i32 0, i32 1
-  call void @finch_str_copy(ptr %t259, ptr %a251)
-  %t260 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t256, i32 0, i32 2
-  store %S.lsp.Analysis zeroinitializer, ptr %t260
-  br label %map.have9754
-map.have9754:
-  %t261 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t256, i32 0, i32 2
-  store %S.lsp.Analysis %t248, ptr %a262
-  call void @finch.copy.S_lsp_Analysis(ptr %a263, ptr %a262)
-  %t264 = load %S.lsp.Analysis, ptr %a263
-  store %S.lsp.Analysis %t264, ptr %t261
-  %t265 = load { ptr, i64, i64 }, ptr %a1
-  %t266 = load %S.lsp.Analysis, ptr %a171
-  call void @finch.lsp.Server.publish(ptr %self, { ptr, i64, i64 } %t265, %S.lsp.Analysis %t266)
+  store { ptr, i64, i64 } %t220, ptr %a221
+  call void @finch.drop.arr_S_lsp_FnRec(ptr %a221)
+  %t222 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 3
+  %t223 = load { ptr, i64, i64 }, ptr %t222
+  %t224 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 3
+  store { ptr, i64, i64 } %t223, ptr %a225
+  call void @finch.copy.arr_S_lsp_StructRec(ptr %a226, ptr %a225)
+  %t227 = load { ptr, i64, i64 }, ptr %a226
+  %t228 = load { ptr, i64, i64 }, ptr %t224
+  store { ptr, i64, i64 } %t227, ptr %t224
+  store { ptr, i64, i64 } %t228, ptr %a229
+  call void @finch.drop.arr_S_lsp_StructRec(ptr %a229)
+  %t230 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 4
+  %t231 = load { ptr, i64, i64 }, ptr %t230
+  %t232 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 4
+  store { ptr, i64, i64 } %t231, ptr %a233
+  call void @finch.copy.arr_S_lsp_EnumRec(ptr %a234, ptr %a233)
+  %t235 = load { ptr, i64, i64 }, ptr %a234
+  %t236 = load { ptr, i64, i64 }, ptr %t232
+  store { ptr, i64, i64 } %t235, ptr %t232
+  store { ptr, i64, i64 } %t236, ptr %a237
+  call void @finch.drop.arr_S_lsp_EnumRec(ptr %a237)
+  %t238 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 1
+  %t239 = load { ptr, i64, i64 }, ptr %t238
+  %t240 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 1
+  store { ptr, i64, i64 } %t239, ptr %a241
+  call void @finch.copy.arr_S_lsp_VarRec(ptr %a242, ptr %a241)
+  %t243 = load { ptr, i64, i64 }, ptr %a242
+  %t244 = load { ptr, i64, i64 }, ptr %t240
+  store { ptr, i64, i64 } %t243, ptr %t240
+  store { ptr, i64, i64 } %t244, ptr %a245
+  call void @finch.drop.arr_S_lsp_VarRec(ptr %a245)
+  %t246 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 5
+  %t247 = getelementptr inbounds { ptr, i64, i64 }, ptr %t246, i32 0, i32 1
+  %t248 = load i64, ptr %t247
+  %t249 = icmp eq i64 %t248, 0
+  br i1 %t249, label %then10269, label %endif10271
+then10269:
+  %t250 = getelementptr inbounds %S.lsp.Analysis, ptr %a213, i32 0, i32 5
+  %t251 = load { ptr, i64, i64 }, ptr %t250
+  %t252 = getelementptr inbounds %S.lsp.Analysis, ptr %a169, i32 0, i32 5
+  store { ptr, i64, i64 } %t251, ptr %a253
+  call void @finch.copy.arr_str(ptr %a254, ptr %a253)
+  %t255 = load { ptr, i64, i64 }, ptr %a254
+  %t256 = load { ptr, i64, i64 }, ptr %t252
+  store { ptr, i64, i64 } %t255, ptr %t252
+  store { ptr, i64, i64 } %t256, ptr %a257
+  call void @finch.drop.arr_str(ptr %a257)
+  br label %endif10271
+endif10271:
+  call void @finch.drop.S_lsp_Analysis(ptr %a213)
+  br label %endif10266
+endif10266:
+  br label %endif10231
+endif10231:
+  %t258 = load %S.lsp.Analysis, ptr %a169
+  %t259 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t260 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t260, ptr %a261
+  store i32 0, ptr %a262
+  %t263 = call i64 @finch_map_slot(ptr %t259, ptr %a261, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a262)
+  %t264 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t259, i32 0, i32 0
+  %t265 = load ptr, ptr %t264
+  %t266 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t265, i64 %t263
+  %t267 = load i32, ptr %a262
+  %t268 = icmp ne i32 %t267, 0
+  br i1 %t268, label %map.new10272, label %map.have10273
+map.new10272:
+  %t269 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t266, i32 0, i32 1
+  call void @finch_str_copy(ptr %t269, ptr %a261)
+  %t270 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t266, i32 0, i32 2
+  store %S.lsp.Analysis zeroinitializer, ptr %t270
+  br label %map.have10273
+map.have10273:
+  %t271 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t266, i32 0, i32 2
+  store %S.lsp.Analysis %t258, ptr %a272
+  call void @finch.copy.S_lsp_Analysis(ptr %a273, ptr %a272)
+  %t274 = load %S.lsp.Analysis, ptr %a273
+  %t275 = load %S.lsp.Analysis, ptr %t271
+  store %S.lsp.Analysis %t274, ptr %t271
+  store %S.lsp.Analysis %t275, ptr %a276
+  call void @finch.drop.S_lsp_Analysis(ptr %a276)
+  %t277 = load { ptr, i64, i64 }, ptr %a1
+  %t278 = load %S.lsp.Analysis, ptr %a169
+  call void @finch.lsp.Server.publish(ptr %self, { ptr, i64, i64 } %t277, %S.lsp.Analysis %t278)
+  call void @finch.drop.S_lsp_Analysis(ptr %a169)
+  call void @finch_str_drop(ptr %a114)
+  call void @finch_str_drop(ptr %a4)
   ret void
 }
 
@@ -87861,11 +105272,18 @@ entry:
   %a81 = alloca i64, align 16
   %a88 = alloca i64, align 16
   %a92 = alloca %S.json.Json, align 16
-  %a107 = alloca { ptr, i64, i64 }, align 16
-  %a108 = alloca { ptr, i64, i64 }, align 16
-  %a115 = alloca %S.json.Json, align 16
-  %a125 = alloca { ptr, i64, i64 }, align 16
-  %a126 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca %S.json.Json, align 16
+  %a100 = alloca %S.json.Json, align 16
+  %a102 = alloca %S.json.Json, align 16
+  %a107 = alloca %S.json.Json, align 16
+  %a111 = alloca { ptr, i64, i64 }, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a119 = alloca %S.json.Json, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca %S.json.Json, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a132 = alloca { ptr, i64, i64 }, align 16
+  %a135 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.lsp.Analysis %p1, ptr %a2
   %t3 = load { ptr, i64, i64 }, ptr %a1
@@ -87882,14 +105300,14 @@ entry:
   store { ptr, i64, i64 } %t12, ptr %a13
   %t14 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 5
   store i64 0, ptr %a15
-  br label %each.cond9755
-each.cond9755:
+  br label %each.cond10274
+each.cond10274:
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t17 = load i64, ptr %t16
   %t18 = load i64, ptr %a15
   %t19 = icmp slt i64 %t18, %t17
-  br i1 %t19, label %each.body9756, label %each.end9758
-each.body9756:
+  br i1 %t19, label %each.body10275, label %each.end10277
+each.body10275:
   %t20 = load ptr, ptr %t14
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i64 %t18
   %t22 = load { ptr, i64, i64 }, ptr %t21
@@ -87900,32 +105318,32 @@ each.body9756:
   %t27 = load i64, ptr %t24
   %t28 = load ptr, ptr %a13
   store i64 0, ptr %a29
-  br label %find.cond9759
-find.cond9759:
+  br label %find.cond10278
+find.cond10278:
   %t30 = load i64, ptr %a29
   %t31 = icmp slt i64 %t30, %t27
-  br i1 %t31, label %find.body9760, label %find.end9763
-find.body9760:
+  br i1 %t31, label %find.body10279, label %find.end10282
+find.body10279:
   %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %t28, i64 %t30
   %t33 = load { ptr, i64, i64 }, ptr %t32
   store { ptr, i64, i64 } %t33, ptr %a34
   store { ptr, i64, i64 } %t25, ptr %a35
   %t36 = call i32 @finch_str_eq(ptr %a34, ptr %a35)
   %t37 = icmp ne i32 %t36, 0
-  br i1 %t37, label %find.hit9761, label %find.next9762
-find.hit9761:
+  br i1 %t37, label %find.hit10280, label %find.next10281
+find.hit10280:
   store i64 %t30, ptr %a26
-  br label %find.end9763
-find.next9762:
+  br label %find.end10282
+find.next10281:
   %t38 = add i64 %t30, 1
   store i64 %t38, ptr %a29
-  br label %find.cond9759
-find.end9763:
+  br label %find.cond10278
+find.end10282:
   %t39 = load i64, ptr %a26
   %t40 = icmp sge i64 %t39, 0
   %t41 = xor i1 %t40, true
-  br i1 %t41, label %then9764, label %endif9766
-then9764:
+  br i1 %t41, label %then10283, label %endif10285
+then10283:
   %t42 = getelementptr inbounds { ptr, i64, i64 }, ptr %a13, i32 0, i32 1
   %t43 = load { ptr, i64, i64 }, ptr %a23
   store { ptr, i64, i64 } %t43, ptr %a44
@@ -87938,25 +105356,25 @@ then9764:
   %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %t49, i64 %t47
   store { ptr, i64, i64 } %t46, ptr %t50
   store i64 %t48, ptr %t42
-  br label %endif9766
-endif9766:
-  br label %each.step9757
-each.step9757:
+  br label %endif10285
+endif10285:
+  br label %each.step10276
+each.step10276:
   %t51 = load i64, ptr %a15
   %t52 = add i64 %t51, 1
   store i64 %t52, ptr %a15
-  br label %each.cond9755
-each.end9758:
+  br label %each.cond10274
+each.end10277:
   store { ptr, i64, i64 } zeroinitializer, ptr %a53
   store i64 0, ptr %a54
-  br label %each.cond9767
-each.cond9767:
+  br label %each.cond10286
+each.cond10286:
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %a13, i32 0, i32 1
   %t56 = load i64, ptr %t55
   %t57 = load i64, ptr %a54
   %t58 = icmp slt i64 %t57, %t56
-  br i1 %t58, label %each.body9768, label %each.end9770
-each.body9768:
+  br i1 %t58, label %each.body10287, label %each.end10289
+each.body10287:
   %t59 = load ptr, ptr %a13
   %t60 = getelementptr inbounds { ptr, i64, i64 }, ptr %t59, i64 %t57
   %t61 = load { ptr, i64, i64 }, ptr %t60
@@ -87966,10 +105384,10 @@ each.body9768:
   %t65 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t66 = getelementptr inbounds %S.lsp.Diag, ptr %t65, i32 0, i32 0
   %t67 = load i1, ptr %t66
-  br label %logic.from9771
-logic.from9771:
-  br i1 %t67, label %logic.rhs9772, label %logic.end9773
-logic.rhs9772:
+  br label %logic.from10290
+logic.from10290:
+  br i1 %t67, label %logic.rhs10291, label %logic.end10292
+logic.rhs10291:
   %t68 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t69 = getelementptr inbounds %S.lsp.Diag, ptr %t68, i32 0, i32 1
   %t70 = load { ptr, i64, i64 }, ptr %t69
@@ -87978,13 +105396,13 @@ logic.rhs9772:
   store { ptr, i64, i64 } %t71, ptr %a73
   %t74 = call i32 @finch_str_eq(ptr %a72, ptr %a73)
   %t75 = icmp ne i32 %t74, 0
-  br label %logic.rend9774
-logic.rend9774:
-  br label %logic.end9773
-logic.end9773:
-  %t76 = phi i1 [ false, %logic.from9771 ], [ %t75, %logic.rend9774 ]
-  br i1 %t76, label %then9775, label %endif9777
-then9775:
+  br label %logic.rend10293
+logic.rend10293:
+  br label %logic.end10292
+logic.end10292:
+  %t76 = phi i1 [ false, %logic.from10290 ], [ %t75, %logic.rend10293 ]
+  br i1 %t76, label %then10294, label %endif10296
+then10294:
   %t77 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t78 = getelementptr inbounds %S.lsp.Diag, ptr %t77, i32 0, i32 2
   %t79 = load i64, ptr %t78
@@ -87992,11 +105410,11 @@ then9775:
   store i64 %t80, ptr %a81
   %t82 = load i64, ptr %a81
   %t83 = icmp slt i64 %t82, 0
-  br i1 %t83, label %then9778, label %endif9780
-then9778:
+  br i1 %t83, label %then10297, label %endif10299
+then10297:
   store i64 0, ptr %a81
-  br label %endif9780
-endif9780:
+  br label %endif10299
+endif10299:
   %t84 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
   %t85 = getelementptr inbounds %S.lsp.Diag, ptr %t84, i32 0, i32 3
   %t86 = load i64, ptr %t85
@@ -88004,11 +105422,11 @@ endif9780:
   store i64 %t87, ptr %a88
   %t89 = load i64, ptr %a88
   %t90 = icmp slt i64 %t89, 0
-  br i1 %t90, label %then9781, label %endif9783
-then9781:
+  br i1 %t90, label %then10300, label %endif10302
+then10300:
   store i64 0, ptr %a88
-  br label %endif9783
-endif9783:
+  br label %endif10302
+endif10302:
   %t91 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t91, ptr %a92
   %t93 = load i64, ptr %a81
@@ -88016,55 +105434,75 @@ endif9783:
   %t95 = load i64, ptr %a88
   %t96 = add i64 %t95, 1
   %t97 = call %S.json.Json @finch.lsp.range(i64 %t93, i64 %t94, i64 %t96)
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6648, i64 5, i64 0 }, %S.json.Json %t97)
-  %t98 = call %S.json.Json @finch.lsp.num(i64 1)
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6649, i64 8, i64 0 }, %S.json.Json %t98)
-  %t99 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6651, i64 5, i64 0 })
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6650, i64 6, i64 0 }, %S.json.Json %t99)
-  %t100 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
-  %t101 = getelementptr inbounds %S.lsp.Diag, ptr %t100, i32 0, i32 4
-  %t102 = load { ptr, i64, i64 }, ptr %t101
-  %t103 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t102)
-  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6652, i64 7, i64 0 }, %S.json.Json %t103)
-  %t104 = load %S.json.Json, ptr %a92
-  call void @finch.json.Json.push(ptr %a64, %S.json.Json %t104)
-  %t105 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
-  %t106 = load { ptr, i64, i64 }, ptr %a62
-  store { ptr, i64, i64 } %t106, ptr %a107
-  call void @finch_str_copy(ptr %a108, ptr %a107)
-  %t109 = load { ptr, i64, i64 }, ptr %a108
-  %t110 = load i64, ptr %t105
-  %t111 = add i64 %t110, 1
-  call void @finch_arr_reserve(ptr %a53, i64 %t111, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t112 = load ptr, ptr %a53
-  %t113 = getelementptr inbounds { ptr, i64, i64 }, ptr %t112, i64 %t110
-  store { ptr, i64, i64 } %t109, ptr %t113
-  store i64 %t111, ptr %t105
-  br label %endif9777
-endif9777:
-  %t114 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t114, ptr %a115
-  %t116 = load { ptr, i64, i64 }, ptr %a62
-  %t117 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t116)
-  %t118 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t117)
-  call void @finch.json.Json.set(ptr %a115, { ptr, i64, i64 } { ptr @.str.6653, i64 3, i64 0 }, %S.json.Json %t118)
-  %t119 = load %S.json.Json, ptr %a64
-  call void @finch.json.Json.set(ptr %a115, { ptr, i64, i64 } { ptr @.str.6654, i64 11, i64 0 }, %S.json.Json %t119)
-  %t120 = load %S.json.Json, ptr %a115
-  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.6655, i64 31, i64 0 }, %S.json.Json %t120)
-  br label %each.step9769
-each.step9769:
-  %t121 = load i64, ptr %a54
-  %t122 = add i64 %t121, 1
-  store i64 %t122, ptr %a54
-  br label %each.cond9767
-each.end9770:
-  %t123 = load { ptr, i64, i64 }, ptr %a53
-  %t124 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 5
-  store { ptr, i64, i64 } %t123, ptr %a125
-  call void @finch.copy.arr_str(ptr %a126, ptr %a125)
-  %t127 = load { ptr, i64, i64 }, ptr %a126
-  store { ptr, i64, i64 } %t127, ptr %t124
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6861, i64 5, i64 0 }, %S.json.Json %t97)
+  store %S.json.Json %t97, ptr %a98
+  call void @finch.drop.S_json_Json(ptr %a98)
+  %t99 = call %S.json.Json @finch.lsp.num(i64 1)
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6862, i64 8, i64 0 }, %S.json.Json %t99)
+  store %S.json.Json %t99, ptr %a100
+  call void @finch.drop.S_json_Json(ptr %a100)
+  %t101 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6864, i64 5, i64 0 })
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6863, i64 6, i64 0 }, %S.json.Json %t101)
+  store %S.json.Json %t101, ptr %a102
+  call void @finch.drop.S_json_Json(ptr %a102)
+  %t103 = getelementptr inbounds %S.lsp.Analysis, ptr %a2, i32 0, i32 6
+  %t104 = getelementptr inbounds %S.lsp.Diag, ptr %t103, i32 0, i32 4
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  %t106 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t105)
+  call void @finch.json.Json.set(ptr %a92, { ptr, i64, i64 } { ptr @.str.6865, i64 7, i64 0 }, %S.json.Json %t106)
+  store %S.json.Json %t106, ptr %a107
+  call void @finch.drop.S_json_Json(ptr %a107)
+  %t108 = load %S.json.Json, ptr %a92
+  call void @finch.json.Json.push(ptr %a64, %S.json.Json %t108)
+  %t109 = getelementptr inbounds { ptr, i64, i64 }, ptr %a53, i32 0, i32 1
+  %t110 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t110, ptr %a111
+  call void @finch_str_copy(ptr %a112, ptr %a111)
+  %t113 = load { ptr, i64, i64 }, ptr %a112
+  %t114 = load i64, ptr %t109
+  %t115 = add i64 %t114, 1
+  call void @finch_arr_reserve(ptr %a53, i64 %t115, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t116 = load ptr, ptr %a53
+  %t117 = getelementptr inbounds { ptr, i64, i64 }, ptr %t116, i64 %t114
+  store { ptr, i64, i64 } %t113, ptr %t117
+  store i64 %t115, ptr %t109
+  call void @finch.drop.S_json_Json(ptr %a92)
+  br label %endif10296
+endif10296:
+  %t118 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t118, ptr %a119
+  %t120 = load { ptr, i64, i64 }, ptr %a62
+  %t121 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t120)
+  %t122 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t121)
+  store { ptr, i64, i64 } %t121, ptr %a123
+  call void @finch_str_drop(ptr %a123)
+  call void @finch.json.Json.set(ptr %a119, { ptr, i64, i64 } { ptr @.str.6866, i64 3, i64 0 }, %S.json.Json %t122)
+  store %S.json.Json %t122, ptr %a124
+  call void @finch.drop.S_json_Json(ptr %a124)
+  %t125 = load %S.json.Json, ptr %a64
+  call void @finch.json.Json.set(ptr %a119, { ptr, i64, i64 } { ptr @.str.6867, i64 11, i64 0 }, %S.json.Json %t125)
+  %t126 = load %S.json.Json, ptr %a119
+  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.6868, i64 31, i64 0 }, %S.json.Json %t126)
+  call void @finch.drop.S_json_Json(ptr %a119)
+  call void @finch.drop.S_json_Json(ptr %a64)
+  br label %each.step10288
+each.step10288:
+  %t127 = load i64, ptr %a54
+  %t128 = add i64 %t127, 1
+  store i64 %t128, ptr %a54
+  br label %each.cond10286
+each.end10289:
+  %t129 = load { ptr, i64, i64 }, ptr %a53
+  %t130 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 5
+  store { ptr, i64, i64 } %t129, ptr %a131
+  call void @finch.copy.arr_str(ptr %a132, ptr %a131)
+  %t133 = load { ptr, i64, i64 }, ptr %a132
+  %t134 = load { ptr, i64, i64 }, ptr %t130
+  store { ptr, i64, i64 } %t133, ptr %t130
+  store { ptr, i64, i64 } %t134, ptr %a135
+  call void @finch.drop.arr_str(ptr %a135)
+  call void @finch.drop.arr_str(ptr %a53)
+  call void @finch.drop.arr_str(ptr %a13)
   ret void
 }
 
@@ -88088,22 +105526,22 @@ entry:
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond9784
-for.cond9784:
+  br label %for.cond10303
+for.cond10303:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body9785, label %for.end9787
-for.body9785:
+  br i1 %t10, label %for.body10304, label %for.end10306
+for.body10304:
   %t11 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
   %t12 = load i64, ptr %a8
   %t13 = load { ptr, i64, i64 }, ptr %t11
   %t14 = extractvalue { ptr, i64, i64 } %t13, 1
   %t15 = icmp uge i64 %t12, %t14
-  br i1 %t15, label %range9788, label %inrange9789
-range9788:
-  call void @finch_panic_index(ptr @.str.6656, i64 397, i64 %t12, i64 %t14)
+  br i1 %t15, label %range10307, label %inrange10308
+range10307:
+  call void @finch_panic_index(ptr @.str.6869, i64 397, i64 %t12, i64 %t14)
   unreachable
-inrange9789:
+inrange10308:
   %t16 = extractvalue { ptr, i64, i64 } %t13, 0
   %t17 = getelementptr inbounds %S.lsp.Ref, ptr %t16, i64 %t12
   %t18 = load %S.lsp.Ref, ptr %t17
@@ -88115,23 +105553,23 @@ inrange9789:
   %t24 = load i64, ptr %t23
   %t25 = load i64, ptr %a3
   %t26 = icmp eq i64 %t24, %t25
-  br label %logic.from9790
-logic.from9790:
-  br i1 %t26, label %logic.rhs9791, label %logic.end9792
-logic.rhs9791:
+  br label %logic.from10309
+logic.from10309:
+  br i1 %t26, label %logic.rhs10310, label %logic.end10311
+logic.rhs10310:
   %t27 = load i64, ptr %a4
   %t28 = getelementptr inbounds %S.lsp.Ref, ptr %a22, i32 0, i32 2
   %t29 = load i64, ptr %t28
   %t30 = icmp sge i64 %t27, %t29
-  br label %logic.rend9793
-logic.rend9793:
-  br label %logic.end9792
-logic.end9792:
-  %t31 = phi i1 [ false, %logic.from9790 ], [ %t30, %logic.rend9793 ]
-  br label %logic.from9794
-logic.from9794:
-  br i1 %t31, label %logic.rhs9795, label %logic.end9796
-logic.rhs9795:
+  br label %logic.rend10312
+logic.rend10312:
+  br label %logic.end10311
+logic.end10311:
+  %t31 = phi i1 [ false, %logic.from10309 ], [ %t30, %logic.rend10312 ]
+  br label %logic.from10313
+logic.from10313:
+  br i1 %t31, label %logic.rhs10314, label %logic.end10315
+logic.rhs10314:
   %t32 = load i64, ptr %a4
   %t33 = getelementptr inbounds %S.lsp.Ref, ptr %a22, i32 0, i32 2
   %t34 = load i64, ptr %t33
@@ -88139,15 +105577,15 @@ logic.rhs9795:
   %t36 = load i64, ptr %t35
   %t37 = add i64 %t34, %t36
   %t38 = icmp sle i64 %t32, %t37
-  br label %logic.rend9797
-logic.rend9797:
-  br label %logic.end9796
-logic.end9796:
-  %t39 = phi i1 [ false, %logic.from9794 ], [ %t38, %logic.rend9797 ]
-  br label %logic.from9798
-logic.from9798:
-  br i1 %t39, label %logic.rhs9799, label %logic.end9800
-logic.rhs9799:
+  br label %logic.rend10316
+logic.rend10316:
+  br label %logic.end10315
+logic.end10315:
+  %t39 = phi i1 [ false, %logic.from10313 ], [ %t38, %logic.rend10316 ]
+  br label %logic.from10317
+logic.from10317:
+  br i1 %t39, label %logic.rhs10318, label %logic.end10319
+logic.rhs10318:
   %t40 = getelementptr inbounds %S.lsp.Ref, ptr %a22, i32 0, i32 0
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = load { ptr, i64, i64 }, ptr %a2
@@ -88155,23 +105593,25 @@ logic.rhs9799:
   store { ptr, i64, i64 } %t42, ptr %a44
   %t45 = call i32 @finch_str_eq(ptr %a43, ptr %a44)
   %t46 = icmp ne i32 %t45, 0
-  br label %logic.rend9801
-logic.rend9801:
-  br label %logic.end9800
-logic.end9800:
-  %t47 = phi i1 [ false, %logic.from9798 ], [ %t46, %logic.rend9801 ]
-  br i1 %t47, label %then9802, label %endif9804
-then9802:
+  br label %logic.rend10320
+logic.rend10320:
+  br label %logic.end10319
+logic.end10319:
+  %t47 = phi i1 [ false, %logic.from10317 ], [ %t46, %logic.rend10320 ]
+  br i1 %t47, label %then10321, label %endif10323
+then10321:
   %t48 = load i64, ptr %a8
+  call void @finch.drop.S_lsp_Ref(ptr %a22)
   ret i64 %t48
-endif9804:
-  br label %for.step9786
-for.step9786:
+endif10323:
+  call void @finch.drop.S_lsp_Ref(ptr %a22)
+  br label %for.step10305
+for.step10305:
   %t49 = load i64, ptr %a8
   %t50 = add i64 %t49, 1
   store i64 %t50, ptr %a8
-  br label %for.cond9784
-for.end9787:
+  br label %for.cond10303
+for.end10306:
   ret i64 -1
 }
 
@@ -88183,9 +105623,9 @@ entry:
   %a4 = alloca i64, align 16
   %a10 = alloca i64, align 16
   %a15 = alloca %S.json.Json, align 16
+  %a17 = alloca %S.json.Json, align 16
   %a28 = alloca %S.json.Json, align 16
-  %a31 = alloca %S.json.Json, align 16
-  %a32 = alloca %S.json.Json, align 16
+  %a30 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -88198,40 +105638,42 @@ entry:
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br i1 %t12, label %then9805, label %endif9807
-then9805:
+  br i1 %t12, label %then10324, label %endif10326
+then10324:
   %t13 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t13
-endif9807:
+endif10326:
   %t14 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t14, ptr %a15
-  %t16 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6658, i64 8, i64 0 })
-  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6657, i64 4, i64 0 }, %S.json.Json %t16)
-  %t17 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
-  %t18 = load i64, ptr %a10
-  %t19 = load { ptr, i64, i64 }, ptr %t17
-  %t20 = extractvalue { ptr, i64, i64 } %t19, 1
-  %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range9808, label %inrange9809
-range9808:
-  call void @finch_panic_index(ptr @.str.6660, i64 412, i64 %t18, i64 %t20)
+  %t16 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6871, i64 8, i64 0 })
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6870, i64 4, i64 0 }, %S.json.Json %t16)
+  store %S.json.Json %t16, ptr %a17
+  call void @finch.drop.S_json_Json(ptr %a17)
+  %t18 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
+  %t19 = load i64, ptr %a10
+  %t20 = load { ptr, i64, i64 }, ptr %t18
+  %t21 = extractvalue { ptr, i64, i64 } %t20, 1
+  %t22 = icmp uge i64 %t19, %t21
+  br i1 %t22, label %range10327, label %inrange10328
+range10327:
+  call void @finch_panic_index(ptr @.str.6873, i64 412, i64 %t19, i64 %t21)
   unreachable
-inrange9809:
-  %t22 = extractvalue { ptr, i64, i64 } %t19, 0
-  %t23 = getelementptr inbounds %S.lsp.Ref, ptr %t22, i64 %t18
-  %t24 = getelementptr inbounds %S.lsp.Ref, ptr %t23, i32 0, i32 7
-  %t25 = load { ptr, i64, i64 }, ptr %t24
-  %t26 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t25)
-  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6659, i64 5, i64 0 }, %S.json.Json %t26)
-  %t27 = call %S.json.Json @finch.json.new_object()
+inrange10328:
+  %t23 = extractvalue { ptr, i64, i64 } %t20, 0
+  %t24 = getelementptr inbounds %S.lsp.Ref, ptr %t23, i64 %t19
+  %t25 = getelementptr inbounds %S.lsp.Ref, ptr %t24, i32 0, i32 7
+  %t26 = load { ptr, i64, i64 }, ptr %t25
+  %t27 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t26)
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6872, i64 5, i64 0 }, %S.json.Json %t27)
   store %S.json.Json %t27, ptr %a28
-  %t29 = load %S.json.Json, ptr %a15
-  call void @finch.json.Json.set(ptr %a28, { ptr, i64, i64 } { ptr @.str.6661, i64 8, i64 0 }, %S.json.Json %t29)
-  %t30 = load %S.json.Json, ptr %a28
-  store %S.json.Json %t30, ptr %a31
-  call void @finch.copy.S_json_Json(ptr %a32, ptr %a31)
-  %t33 = load %S.json.Json, ptr %a32
-  ret %S.json.Json %t33
+  call void @finch.drop.S_json_Json(ptr %a28)
+  %t29 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t29, ptr %a30
+  %t31 = load %S.json.Json, ptr %a15
+  call void @finch.json.Json.set(ptr %a30, { ptr, i64, i64 } { ptr @.str.6874, i64 8, i64 0 }, %S.json.Json %t31)
+  %t32 = load %S.json.Json, ptr %a30
+  call void @finch.drop.S_json_Json(ptr %a15)
+  ret %S.json.Json %t32
 }
 
 define internal %S.json.Json @finch.lsp.definitionAt(%S.lsp.Analysis %p0, { ptr, i64, i64 } %p1, i64 %p2, i64 %p3) {
@@ -88245,7 +105687,8 @@ entry:
   %a35 = alloca %S.lsp.Ref, align 16
   %a37 = alloca %S.lsp.Ref, align 16
   %a39 = alloca %S.json.Json, align 16
-  %a55 = alloca %S.json.Json, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a45 = alloca %S.json.Json, align 16
   %a56 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
@@ -88259,46 +105702,46 @@ entry:
   store i64 %t9, ptr %a10
   %t11 = load i64, ptr %a10
   %t12 = icmp slt i64 %t11, 0
-  br label %logic.from9810
-logic.from9810:
-  br i1 %t12, label %logic.end9812, label %logic.rhs9811
-logic.rhs9811:
+  br label %logic.from10329
+logic.from10329:
+  br i1 %t12, label %logic.end10331, label %logic.rhs10330
+logic.rhs10330:
   %t13 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
   %t14 = load i64, ptr %a10
   %t15 = load { ptr, i64, i64 }, ptr %t13
   %t16 = extractvalue { ptr, i64, i64 } %t15, 1
   %t17 = icmp uge i64 %t14, %t16
-  br i1 %t17, label %range9813, label %inrange9814
-range9813:
-  call void @finch_panic_index(ptr @.str.6662, i64 420, i64 %t14, i64 %t16)
+  br i1 %t17, label %range10332, label %inrange10333
+range10332:
+  call void @finch_panic_index(ptr @.str.6875, i64 420, i64 %t14, i64 %t16)
   unreachable
-inrange9814:
+inrange10333:
   %t18 = extractvalue { ptr, i64, i64 } %t15, 0
   %t19 = getelementptr inbounds %S.lsp.Ref, ptr %t18, i64 %t14
   %t20 = getelementptr inbounds %S.lsp.Ref, ptr %t19, i32 0, i32 4
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
   %t22 = load i64, ptr %t21
   %t23 = icmp eq i64 %t22, 0
-  br label %logic.rend9815
-logic.rend9815:
-  br label %logic.end9812
-logic.end9812:
-  %t24 = phi i1 [ true, %logic.from9810 ], [ %t23, %logic.rend9815 ]
-  br i1 %t24, label %then9816, label %endif9818
-then9816:
+  br label %logic.rend10334
+logic.rend10334:
+  br label %logic.end10331
+logic.end10331:
+  %t24 = phi i1 [ true, %logic.from10329 ], [ %t23, %logic.rend10334 ]
+  br i1 %t24, label %then10335, label %endif10337
+then10335:
   %t25 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t25
-endif9818:
+endif10337:
   %t26 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 0
   %t27 = load i64, ptr %a10
   %t28 = load { ptr, i64, i64 }, ptr %t26
   %t29 = extractvalue { ptr, i64, i64 } %t28, 1
   %t30 = icmp uge i64 %t27, %t29
-  br i1 %t30, label %range9819, label %inrange9820
-range9819:
-  call void @finch_panic_index(ptr @.str.6663, i64 423, i64 %t27, i64 %t29)
+  br i1 %t30, label %range10338, label %inrange10339
+range10338:
+  call void @finch_panic_index(ptr @.str.6876, i64 423, i64 %t27, i64 %t29)
   unreachable
-inrange9820:
+inrange10339:
   %t31 = extractvalue { ptr, i64, i64 } %t28, 0
   %t32 = getelementptr inbounds %S.lsp.Ref, ptr %t31, i64 %t27
   %t33 = load %S.lsp.Ref, ptr %t32
@@ -88312,22 +105755,26 @@ inrange9820:
   %t41 = load { ptr, i64, i64 }, ptr %t40
   %t42 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t41)
   %t43 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t42)
-  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6664, i64 3, i64 0 }, %S.json.Json %t43)
-  %t44 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 5
-  %t45 = load i64, ptr %t44
-  %t46 = sub i64 %t45, 1
-  %t47 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
-  %t48 = load i64, ptr %t47
-  %t49 = sub i64 %t48, 1
-  %t50 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
-  %t51 = load i64, ptr %t50
-  %t52 = sub i64 %t51, 1
-  %t53 = call %S.json.Json @finch.lsp.range(i64 %t46, i64 %t49, i64 %t52)
-  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6665, i64 5, i64 0 }, %S.json.Json %t53)
-  %t54 = load %S.json.Json, ptr %a39
-  store %S.json.Json %t54, ptr %a55
-  call void @finch.copy.S_json_Json(ptr %a56, ptr %a55)
-  %t57 = load %S.json.Json, ptr %a56
+  store { ptr, i64, i64 } %t42, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6877, i64 3, i64 0 }, %S.json.Json %t43)
+  store %S.json.Json %t43, ptr %a45
+  call void @finch.drop.S_json_Json(ptr %a45)
+  %t46 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 5
+  %t47 = load i64, ptr %t46
+  %t48 = sub i64 %t47, 1
+  %t49 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
+  %t50 = load i64, ptr %t49
+  %t51 = sub i64 %t50, 1
+  %t52 = getelementptr inbounds %S.lsp.Ref, ptr %a37, i32 0, i32 6
+  %t53 = load i64, ptr %t52
+  %t54 = sub i64 %t53, 1
+  %t55 = call %S.json.Json @finch.lsp.range(i64 %t48, i64 %t51, i64 %t54)
+  call void @finch.json.Json.set(ptr %a39, { ptr, i64, i64 } { ptr @.str.6878, i64 5, i64 0 }, %S.json.Json %t55)
+  store %S.json.Json %t55, ptr %a56
+  call void @finch.drop.S_json_Json(ptr %a56)
+  %t57 = load %S.json.Json, ptr %a39
+  call void @finch.drop.S_lsp_Ref(ptr %a37)
   ret %S.json.Json %t57
 }
 
@@ -88350,30 +105797,33 @@ entry:
   %a41 = alloca { ptr, i64, i64 }, align 16
   %a42 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca { ptr, i64, i64 }, align 16
-  %a57 = alloca i64, align 16
-  %a65 = alloca %S.lsp.StructRec, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca i64, align 16
-  %a98 = alloca %S.lsp.EnumRec, align 16
-  %a102 = alloca { ptr, i64, i64 }, align 16
-  %a103 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca %S.json.Json, align 16
-  %a124 = alloca %S.json.Json, align 16
+  %a44 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
+  %a57 = alloca %S.json.Json, align 16
+  %a61 = alloca i64, align 16
+  %a69 = alloca %S.lsp.StructRec, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca %S.json.Json, align 16
+  %a95 = alloca i64, align 16
+  %a103 = alloca %S.lsp.EnumRec, align 16
+  %a107 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = call %S.json.Json @finch.json.new_list()
   store %S.json.Json %t3, ptr %a4
   %t5 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
   store i64 0, ptr %a6
-  br label %each.cond9821
-each.cond9821:
+  br label %each.cond10340
+each.cond10340:
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t8 = load i64, ptr %t7
   %t9 = load i64, ptr %a6
   %t10 = icmp slt i64 %t9, %t8
-  br i1 %t10, label %each.body9822, label %each.end9824
-each.body9822:
+  br i1 %t10, label %each.body10341, label %each.end10343
+each.body10341:
   %t11 = load ptr, ptr %t5
   %t12 = getelementptr inbounds %S.lsp.FnRec, ptr %t11, i64 %t9
   %t13 = load %S.lsp.FnRec, ptr %t12
@@ -88385,10 +105835,10 @@ each.body9822:
   store { ptr, i64, i64 } %t17, ptr %a19
   %t20 = call i32 @finch_str_eq(ptr %a18, ptr %a19)
   %t21 = icmp eq i32 %t20, 0
-  br i1 %t21, label %then9825, label %endif9827
-then9825:
-  br label %each.step9823
-endif9827:
+  br i1 %t21, label %then10344, label %endif10346
+then10344:
+  br label %each.step10342
+endif10346:
   store i64 12, ptr %a22
   %t23 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 1
   %t24 = load { ptr, i64, i64 }, ptr %t23
@@ -88400,13 +105850,13 @@ endif9827:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = icmp sgt i64 %t31, 0
-  br i1 %t32, label %then9828, label %endif9830
-then9828:
+  br i1 %t32, label %then10347, label %endif10349
+then10347:
   store i64 6, ptr %a22
   %t33 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 2
   %t34 = load { ptr, i64, i64 }, ptr %t33
   store { ptr, i64, i64 } %t34, ptr %a36
-  store { ptr, i64, i64 } { ptr @.str.6666, i64 1, i64 0 }, ptr %a37
+  store { ptr, i64, i64 } { ptr @.str.6879, i64 1, i64 0 }, ptr %a37
   call void @finch_str_concat(ptr %a35, ptr %a36, ptr %a37)
   %t38 = load { ptr, i64, i64 }, ptr %a35
   %t39 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 1
@@ -88414,126 +105864,135 @@ then9828:
   store { ptr, i64, i64 } %t38, ptr %a42
   store { ptr, i64, i64 } %t40, ptr %a43
   call void @finch_str_concat(ptr %a41, ptr %a42, ptr %a43)
-  %t44 = load { ptr, i64, i64 }, ptr %a41
-  store { ptr, i64, i64 } %t44, ptr %a28
-  br label %endif9830
-endif9830:
-  %t45 = load { ptr, i64, i64 }, ptr %a28
-  %t46 = load i64, ptr %a22
-  %t47 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 4
-  %t48 = load i64, ptr %t47
-  %t49 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 5
-  %t50 = load i64, ptr %t49
-  %t51 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 6
-  %t52 = load i64, ptr %t51
-  %t53 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t45, i64 %t46, i64 %t48, i64 %t50, i64 %t52)
-  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t53)
-  br label %each.step9823
-each.step9823:
-  %t54 = load i64, ptr %a6
-  %t55 = add i64 %t54, 1
-  store i64 %t55, ptr %a6
-  br label %each.cond9821
-each.end9824:
-  %t56 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a57
-  br label %each.cond9831
-each.cond9831:
-  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t56, i32 0, i32 1
-  %t59 = load i64, ptr %t58
-  %t60 = load i64, ptr %a57
-  %t61 = icmp slt i64 %t60, %t59
-  br i1 %t61, label %each.body9832, label %each.end9834
-each.body9832:
-  %t62 = load ptr, ptr %t56
-  %t63 = getelementptr inbounds %S.lsp.StructRec, ptr %t62, i64 %t60
-  %t64 = load %S.lsp.StructRec, ptr %t63
-  store %S.lsp.StructRec %t64, ptr %a65
-  %t66 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 2
-  %t67 = load { ptr, i64, i64 }, ptr %t66
-  %t68 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t67, ptr %a69
-  store { ptr, i64, i64 } %t68, ptr %a70
-  %t71 = call i32 @finch_str_eq(ptr %a69, ptr %a70)
-  %t72 = icmp ne i32 %t71, 0
-  br i1 %t72, label %then9835, label %endif9837
-then9835:
-  %t73 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 1
-  %t74 = load { ptr, i64, i64 }, ptr %t73
-  %t75 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 3
-  %t76 = load i64, ptr %t75
-  %t77 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 4
-  %t78 = load i64, ptr %t77
-  %t79 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 3
+  store { ptr, i64, i64 } %t38, ptr %a44
+  call void @finch_str_drop(ptr %a44)
+  %t45 = load { ptr, i64, i64 }, ptr %a41
+  %t46 = load { ptr, i64, i64 }, ptr %a28
+  store { ptr, i64, i64 } %t45, ptr %a28
+  store { ptr, i64, i64 } %t46, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  br label %endif10349
+endif10349:
+  %t48 = load { ptr, i64, i64 }, ptr %a28
+  %t49 = load i64, ptr %a22
+  %t50 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 4
+  %t51 = load i64, ptr %t50
+  %t52 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 5
+  %t53 = load i64, ptr %t52
+  %t54 = getelementptr inbounds %S.lsp.FnRec, ptr %a14, i32 0, i32 6
+  %t55 = load i64, ptr %t54
+  %t56 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t48, i64 %t49, i64 %t51, i64 %t53, i64 %t55)
+  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t56)
+  store %S.json.Json %t56, ptr %a57
+  call void @finch.drop.S_json_Json(ptr %a57)
+  call void @finch_str_drop(ptr %a28)
+  br label %each.step10342
+each.step10342:
+  %t58 = load i64, ptr %a6
+  %t59 = add i64 %t58, 1
+  store i64 %t59, ptr %a6
+  br label %each.cond10340
+each.end10343:
+  %t60 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a61
+  br label %each.cond10350
+each.cond10350:
+  %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %t60, i32 0, i32 1
+  %t63 = load i64, ptr %t62
+  %t64 = load i64, ptr %a61
+  %t65 = icmp slt i64 %t64, %t63
+  br i1 %t65, label %each.body10351, label %each.end10353
+each.body10351:
+  %t66 = load ptr, ptr %t60
+  %t67 = getelementptr inbounds %S.lsp.StructRec, ptr %t66, i64 %t64
+  %t68 = load %S.lsp.StructRec, ptr %t67
+  store %S.lsp.StructRec %t68, ptr %a69
+  %t70 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 2
+  %t71 = load { ptr, i64, i64 }, ptr %t70
+  %t72 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t71, ptr %a73
+  store { ptr, i64, i64 } %t72, ptr %a74
+  %t75 = call i32 @finch_str_eq(ptr %a73, ptr %a74)
+  %t76 = icmp ne i32 %t75, 0
+  br i1 %t76, label %then10354, label %endif10356
+then10354:
+  %t77 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 1
+  %t78 = load { ptr, i64, i64 }, ptr %t77
+  %t79 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 3
   %t80 = load i64, ptr %t79
-  %t81 = getelementptr inbounds %S.lsp.StructRec, ptr %a65, i32 0, i32 5
-  %t82 = getelementptr inbounds { ptr, i64, i64 }, ptr %t81, i32 0, i32 1
-  %t83 = load i64, ptr %t82
-  %t84 = add i64 %t80, %t83
-  %t85 = add i64 %t84, 1
-  %t86 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t74, i64 23, i64 %t76, i64 %t78, i64 %t85)
-  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t86)
-  br label %endif9837
-endif9837:
-  br label %each.step9833
-each.step9833:
-  %t87 = load i64, ptr %a57
-  %t88 = add i64 %t87, 1
-  store i64 %t88, ptr %a57
-  br label %each.cond9831
-each.end9834:
-  %t89 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a90
-  br label %each.cond9838
-each.cond9838:
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i32 0, i32 1
-  %t92 = load i64, ptr %t91
-  %t93 = load i64, ptr %a90
-  %t94 = icmp slt i64 %t93, %t92
-  br i1 %t94, label %each.body9839, label %each.end9841
-each.body9839:
-  %t95 = load ptr, ptr %t89
-  %t96 = getelementptr inbounds %S.lsp.EnumRec, ptr %t95, i64 %t93
-  %t97 = load %S.lsp.EnumRec, ptr %t96
-  store %S.lsp.EnumRec %t97, ptr %a98
-  %t99 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 2
-  %t100 = load { ptr, i64, i64 }, ptr %t99
-  %t101 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t100, ptr %a102
-  store { ptr, i64, i64 } %t101, ptr %a103
-  %t104 = call i32 @finch_str_eq(ptr %a102, ptr %a103)
-  %t105 = icmp ne i32 %t104, 0
-  br i1 %t105, label %then9842, label %endif9844
-then9842:
-  %t106 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 1
-  %t107 = load { ptr, i64, i64 }, ptr %t106
-  %t108 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 3
-  %t109 = load i64, ptr %t108
-  %t110 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 4
-  %t111 = load i64, ptr %t110
-  %t112 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 3
-  %t113 = load i64, ptr %t112
-  %t114 = getelementptr inbounds %S.lsp.EnumRec, ptr %a98, i32 0, i32 5
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i32 0, i32 1
+  %t81 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 4
+  %t82 = load i64, ptr %t81
+  %t83 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 3
+  %t84 = load i64, ptr %t83
+  %t85 = getelementptr inbounds %S.lsp.StructRec, ptr %a69, i32 0, i32 5
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = add i64 %t84, %t87
+  %t89 = add i64 %t88, 1
+  %t90 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t78, i64 23, i64 %t80, i64 %t82, i64 %t89)
+  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t90)
+  store %S.json.Json %t90, ptr %a91
+  call void @finch.drop.S_json_Json(ptr %a91)
+  br label %endif10356
+endif10356:
+  br label %each.step10352
+each.step10352:
+  %t92 = load i64, ptr %a61
+  %t93 = add i64 %t92, 1
+  store i64 %t93, ptr %a61
+  br label %each.cond10350
+each.end10353:
+  %t94 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a95
+  br label %each.cond10357
+each.cond10357:
+  %t96 = getelementptr inbounds { ptr, i64, i64 }, ptr %t94, i32 0, i32 1
+  %t97 = load i64, ptr %t96
+  %t98 = load i64, ptr %a95
+  %t99 = icmp slt i64 %t98, %t97
+  br i1 %t99, label %each.body10358, label %each.end10360
+each.body10358:
+  %t100 = load ptr, ptr %t94
+  %t101 = getelementptr inbounds %S.lsp.EnumRec, ptr %t100, i64 %t98
+  %t102 = load %S.lsp.EnumRec, ptr %t101
+  store %S.lsp.EnumRec %t102, ptr %a103
+  %t104 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 2
+  %t105 = load { ptr, i64, i64 }, ptr %t104
+  %t106 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t105, ptr %a107
+  store { ptr, i64, i64 } %t106, ptr %a108
+  %t109 = call i32 @finch_str_eq(ptr %a107, ptr %a108)
+  %t110 = icmp ne i32 %t109, 0
+  br i1 %t110, label %then10361, label %endif10363
+then10361:
+  %t111 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 1
+  %t112 = load { ptr, i64, i64 }, ptr %t111
+  %t113 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 3
+  %t114 = load i64, ptr %t113
+  %t115 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 4
   %t116 = load i64, ptr %t115
-  %t117 = add i64 %t113, %t116
-  %t118 = add i64 %t117, 1
-  %t119 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t107, i64 10, i64 %t109, i64 %t111, i64 %t118)
-  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t119)
-  br label %endif9844
-endif9844:
-  br label %each.step9840
-each.step9840:
-  %t120 = load i64, ptr %a90
-  %t121 = add i64 %t120, 1
-  store i64 %t121, ptr %a90
-  br label %each.cond9838
-each.end9841:
-  %t122 = load %S.json.Json, ptr %a4
-  store %S.json.Json %t122, ptr %a123
-  call void @finch.copy.S_json_Json(ptr %a124, ptr %a123)
-  %t125 = load %S.json.Json, ptr %a124
-  ret %S.json.Json %t125
+  %t117 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 3
+  %t118 = load i64, ptr %t117
+  %t119 = getelementptr inbounds %S.lsp.EnumRec, ptr %a103, i32 0, i32 5
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
+  %t121 = load i64, ptr %t120
+  %t122 = add i64 %t118, %t121
+  %t123 = add i64 %t122, 1
+  %t124 = call %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %t112, i64 10, i64 %t114, i64 %t116, i64 %t123)
+  call void @finch.json.Json.push(ptr %a4, %S.json.Json %t124)
+  store %S.json.Json %t124, ptr %a125
+  call void @finch.drop.S_json_Json(ptr %a125)
+  br label %endif10363
+endif10363:
+  br label %each.step10359
+each.step10359:
+  %t126 = load i64, ptr %a95
+  %t127 = add i64 %t126, 1
+  store i64 %t127, ptr %a95
+  br label %each.cond10357
+each.end10360:
+  %t128 = load %S.json.Json, ptr %a4
+  ret %S.json.Json %t128
 }
 
 define internal %S.json.Json @finch.lsp.symbol({ ptr, i64, i64 } %p0, i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
@@ -88544,9 +106003,12 @@ entry:
   %a4 = alloca i64, align 16
   %a5 = alloca i64, align 16
   %a7 = alloca %S.json.Json, align 16
+  %a10 = alloca %S.json.Json, align 16
   %a13 = alloca %S.json.Json, align 16
-  %a28 = alloca %S.json.Json, align 16
-  %a29 = alloca %S.json.Json, align 16
+  %a15 = alloca %S.json.Json, align 16
+  %a19 = alloca %S.json.Json, align 16
+  %a22 = alloca %S.json.Json, align 16
+  %a31 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store i64 %p1, ptr %a2
   store i64 %p2, ptr %a3
@@ -88556,34 +106018,42 @@ entry:
   store %S.json.Json %t6, ptr %a7
   %t8 = load { ptr, i64, i64 }, ptr %a1
   %t9 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t8)
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6667, i64 4, i64 0 }, %S.json.Json %t9)
-  %t10 = load i64, ptr %a2
-  %t11 = call %S.json.Json @finch.lsp.num(i64 %t10)
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6668, i64 4, i64 0 }, %S.json.Json %t11)
-  %t12 = call %S.json.Json @finch.json.new_object()
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6880, i64 4, i64 0 }, %S.json.Json %t9)
+  store %S.json.Json %t9, ptr %a10
+  call void @finch.drop.S_json_Json(ptr %a10)
+  %t11 = load i64, ptr %a2
+  %t12 = call %S.json.Json @finch.lsp.num(i64 %t11)
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6881, i64 4, i64 0 }, %S.json.Json %t12)
   store %S.json.Json %t12, ptr %a13
-  %t14 = load i64, ptr %a3
-  %t15 = sub i64 %t14, 1
-  %t16 = call %S.json.Json @finch.lsp.position(i64 %t15, i64 0)
-  call void @finch.json.Json.set(ptr %a13, { ptr, i64, i64 } { ptr @.str.6669, i64 5, i64 0 }, %S.json.Json %t16)
-  %t17 = load i64, ptr %a5
+  call void @finch.drop.S_json_Json(ptr %a13)
+  %t14 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t14, ptr %a15
+  %t16 = load i64, ptr %a3
+  %t17 = sub i64 %t16, 1
   %t18 = call %S.json.Json @finch.lsp.position(i64 %t17, i64 0)
-  call void @finch.json.Json.set(ptr %a13, { ptr, i64, i64 } { ptr @.str.6670, i64 3, i64 0 }, %S.json.Json %t18)
-  %t19 = load %S.json.Json, ptr %a13
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6671, i64 5, i64 0 }, %S.json.Json %t19)
-  %t20 = load i64, ptr %a3
-  %t21 = sub i64 %t20, 1
-  %t22 = load i64, ptr %a4
-  %t23 = sub i64 %t22, 1
-  %t24 = load i64, ptr %a4
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6882, i64 5, i64 0 }, %S.json.Json %t18)
+  store %S.json.Json %t18, ptr %a19
+  call void @finch.drop.S_json_Json(ptr %a19)
+  %t20 = load i64, ptr %a5
+  %t21 = call %S.json.Json @finch.lsp.position(i64 %t20, i64 0)
+  call void @finch.json.Json.set(ptr %a15, { ptr, i64, i64 } { ptr @.str.6883, i64 3, i64 0 }, %S.json.Json %t21)
+  store %S.json.Json %t21, ptr %a22
+  call void @finch.drop.S_json_Json(ptr %a22)
+  %t23 = load %S.json.Json, ptr %a15
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6884, i64 5, i64 0 }, %S.json.Json %t23)
+  %t24 = load i64, ptr %a3
   %t25 = sub i64 %t24, 1
-  %t26 = call %S.json.Json @finch.lsp.range(i64 %t21, i64 %t23, i64 %t25)
-  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6672, i64 14, i64 0 }, %S.json.Json %t26)
-  %t27 = load %S.json.Json, ptr %a7
-  store %S.json.Json %t27, ptr %a28
-  call void @finch.copy.S_json_Json(ptr %a29, ptr %a28)
-  %t30 = load %S.json.Json, ptr %a29
-  ret %S.json.Json %t30
+  %t26 = load i64, ptr %a4
+  %t27 = sub i64 %t26, 1
+  %t28 = load i64, ptr %a4
+  %t29 = sub i64 %t28, 1
+  %t30 = call %S.json.Json @finch.lsp.range(i64 %t25, i64 %t27, i64 %t29)
+  call void @finch.json.Json.set(ptr %a7, { ptr, i64, i64 } { ptr @.str.6885, i64 14, i64 0 }, %S.json.Json %t30)
+  store %S.json.Json %t30, ptr %a31
+  call void @finch.drop.S_json_Json(ptr %a31)
+  %t32 = load %S.json.Json, ptr %a7
+  call void @finch.drop.S_json_Json(ptr %a15)
+  ret %S.json.Json %t32
 }
 
 define internal %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %p0, i64 %p1, { ptr, i64, i64 } %p2, { ptr, i64, i64 } %p3) {
@@ -88593,9 +106063,12 @@ entry:
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a6 = alloca %S.json.Json, align 16
-  %a20 = alloca %S.json.Json, align 16
-  %a26 = alloca %S.json.Json, align 16
-  %a27 = alloca %S.json.Json, align 16
+  %a9 = alloca %S.json.Json, align 16
+  %a12 = alloca %S.json.Json, align 16
+  %a18 = alloca %S.json.Json, align 16
+  %a23 = alloca %S.json.Json, align 16
+  %a25 = alloca %S.json.Json, align 16
+  %a28 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store i64 %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -88604,41 +106077,49 @@ entry:
   store %S.json.Json %t5, ptr %a6
   %t7 = load { ptr, i64, i64 }, ptr %a1
   %t8 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t7)
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6673, i64 5, i64 0 }, %S.json.Json %t8)
-  %t9 = load i64, ptr %a2
-  %t10 = call %S.json.Json @finch.lsp.num(i64 %t9)
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6674, i64 4, i64 0 }, %S.json.Json %t10)
-  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
-  %t12 = load i64, ptr %t11
-  %t13 = icmp sgt i64 %t12, 0
-  br i1 %t13, label %then9845, label %endif9847
-then9845:
-  %t14 = load { ptr, i64, i64 }, ptr %a3
-  %t15 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t14)
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6675, i64 6, i64 0 }, %S.json.Json %t15)
-  br label %endif9847
-endif9847:
-  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
-  %t17 = load i64, ptr %t16
-  %t18 = icmp sgt i64 %t17, 0
-  br i1 %t18, label %then9848, label %endif9850
-then9848:
-  %t19 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t19, ptr %a20
-  %t21 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6677, i64 8, i64 0 })
-  call void @finch.json.Json.set(ptr %a20, { ptr, i64, i64 } { ptr @.str.6676, i64 4, i64 0 }, %S.json.Json %t21)
-  %t22 = load { ptr, i64, i64 }, ptr %a4
-  %t23 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t22)
-  call void @finch.json.Json.set(ptr %a20, { ptr, i64, i64 } { ptr @.str.6678, i64 5, i64 0 }, %S.json.Json %t23)
-  %t24 = load %S.json.Json, ptr %a20
-  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6679, i64 13, i64 0 }, %S.json.Json %t24)
-  br label %endif9850
-endif9850:
-  %t25 = load %S.json.Json, ptr %a6
-  store %S.json.Json %t25, ptr %a26
-  call void @finch.copy.S_json_Json(ptr %a27, ptr %a26)
-  %t28 = load %S.json.Json, ptr %a27
-  ret %S.json.Json %t28
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6886, i64 5, i64 0 }, %S.json.Json %t8)
+  store %S.json.Json %t8, ptr %a9
+  call void @finch.drop.S_json_Json(ptr %a9)
+  %t10 = load i64, ptr %a2
+  %t11 = call %S.json.Json @finch.lsp.num(i64 %t10)
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6887, i64 4, i64 0 }, %S.json.Json %t11)
+  store %S.json.Json %t11, ptr %a12
+  call void @finch.drop.S_json_Json(ptr %a12)
+  %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %a3, i32 0, i32 1
+  %t14 = load i64, ptr %t13
+  %t15 = icmp sgt i64 %t14, 0
+  br i1 %t15, label %then10364, label %endif10366
+then10364:
+  %t16 = load { ptr, i64, i64 }, ptr %a3
+  %t17 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t16)
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6888, i64 6, i64 0 }, %S.json.Json %t17)
+  store %S.json.Json %t17, ptr %a18
+  call void @finch.drop.S_json_Json(ptr %a18)
+  br label %endif10366
+endif10366:
+  %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %a4, i32 0, i32 1
+  %t20 = load i64, ptr %t19
+  %t21 = icmp sgt i64 %t20, 0
+  br i1 %t21, label %then10367, label %endif10369
+then10367:
+  %t22 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t22, ptr %a23
+  %t24 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6890, i64 8, i64 0 })
+  call void @finch.json.Json.set(ptr %a23, { ptr, i64, i64 } { ptr @.str.6889, i64 4, i64 0 }, %S.json.Json %t24)
+  store %S.json.Json %t24, ptr %a25
+  call void @finch.drop.S_json_Json(ptr %a25)
+  %t26 = load { ptr, i64, i64 }, ptr %a4
+  %t27 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t26)
+  call void @finch.json.Json.set(ptr %a23, { ptr, i64, i64 } { ptr @.str.6891, i64 5, i64 0 }, %S.json.Json %t27)
+  store %S.json.Json %t27, ptr %a28
+  call void @finch.drop.S_json_Json(ptr %a28)
+  %t29 = load %S.json.Json, ptr %a23
+  call void @finch.json.Json.set(ptr %a6, { ptr, i64, i64 } { ptr @.str.6892, i64 13, i64 0 }, %S.json.Json %t29)
+  call void @finch.drop.S_json_Json(ptr %a23)
+  br label %endif10369
+endif10369:
+  %t30 = load %S.json.Json, ptr %a6
+  ret %S.json.Json %t30
 }
 
 define internal i1 @finch.lsp.isWordChar(i8 %p0) {
@@ -88647,72 +106128,72 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 97
-  br label %logic.from9851
-logic.from9851:
-  br i1 %t3, label %logic.rhs9852, label %logic.end9853
-logic.rhs9852:
+  br label %logic.from10370
+logic.from10370:
+  br i1 %t3, label %logic.rhs10371, label %logic.end10372
+logic.rhs10371:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 122
-  br label %logic.rend9854
-logic.rend9854:
-  br label %logic.end9853
-logic.end9853:
-  %t6 = phi i1 [ false, %logic.from9851 ], [ %t5, %logic.rend9854 ]
-  br label %logic.from9855
-logic.from9855:
-  br i1 %t6, label %logic.end9857, label %logic.rhs9856
-logic.rhs9856:
+  br label %logic.rend10373
+logic.rend10373:
+  br label %logic.end10372
+logic.end10372:
+  %t6 = phi i1 [ false, %logic.from10370 ], [ %t5, %logic.rend10373 ]
+  br label %logic.from10374
+logic.from10374:
+  br i1 %t6, label %logic.end10376, label %logic.rhs10375
+logic.rhs10375:
   %t7 = load i8, ptr %a1
   %t8 = icmp uge i8 %t7, 65
-  br label %logic.from9858
-logic.from9858:
-  br i1 %t8, label %logic.rhs9859, label %logic.end9860
-logic.rhs9859:
+  br label %logic.from10377
+logic.from10377:
+  br i1 %t8, label %logic.rhs10378, label %logic.end10379
+logic.rhs10378:
   %t9 = load i8, ptr %a1
   %t10 = icmp ule i8 %t9, 90
-  br label %logic.rend9861
-logic.rend9861:
-  br label %logic.end9860
-logic.end9860:
-  %t11 = phi i1 [ false, %logic.from9858 ], [ %t10, %logic.rend9861 ]
-  br label %logic.rend9862
-logic.rend9862:
-  br label %logic.end9857
-logic.end9857:
-  %t12 = phi i1 [ true, %logic.from9855 ], [ %t11, %logic.rend9862 ]
-  br label %logic.from9863
-logic.from9863:
-  br i1 %t12, label %logic.end9865, label %logic.rhs9864
-logic.rhs9864:
+  br label %logic.rend10380
+logic.rend10380:
+  br label %logic.end10379
+logic.end10379:
+  %t11 = phi i1 [ false, %logic.from10377 ], [ %t10, %logic.rend10380 ]
+  br label %logic.rend10381
+logic.rend10381:
+  br label %logic.end10376
+logic.end10376:
+  %t12 = phi i1 [ true, %logic.from10374 ], [ %t11, %logic.rend10381 ]
+  br label %logic.from10382
+logic.from10382:
+  br i1 %t12, label %logic.end10384, label %logic.rhs10383
+logic.rhs10383:
   %t13 = load i8, ptr %a1
   %t14 = icmp uge i8 %t13, 48
-  br label %logic.from9866
-logic.from9866:
-  br i1 %t14, label %logic.rhs9867, label %logic.end9868
-logic.rhs9867:
+  br label %logic.from10385
+logic.from10385:
+  br i1 %t14, label %logic.rhs10386, label %logic.end10387
+logic.rhs10386:
   %t15 = load i8, ptr %a1
   %t16 = icmp ule i8 %t15, 57
-  br label %logic.rend9869
-logic.rend9869:
-  br label %logic.end9868
-logic.end9868:
-  %t17 = phi i1 [ false, %logic.from9866 ], [ %t16, %logic.rend9869 ]
-  br label %logic.rend9870
-logic.rend9870:
-  br label %logic.end9865
-logic.end9865:
-  %t18 = phi i1 [ true, %logic.from9863 ], [ %t17, %logic.rend9870 ]
-  br label %logic.from9871
-logic.from9871:
-  br i1 %t18, label %logic.end9873, label %logic.rhs9872
-logic.rhs9872:
+  br label %logic.rend10388
+logic.rend10388:
+  br label %logic.end10387
+logic.end10387:
+  %t17 = phi i1 [ false, %logic.from10385 ], [ %t16, %logic.rend10388 ]
+  br label %logic.rend10389
+logic.rend10389:
+  br label %logic.end10384
+logic.end10384:
+  %t18 = phi i1 [ true, %logic.from10382 ], [ %t17, %logic.rend10389 ]
+  br label %logic.from10390
+logic.from10390:
+  br i1 %t18, label %logic.end10392, label %logic.rhs10391
+logic.rhs10391:
   %t19 = load i8, ptr %a1
   %t20 = icmp eq i8 %t19, 95
-  br label %logic.rend9874
-logic.rend9874:
-  br label %logic.end9873
-logic.end9873:
-  %t21 = phi i1 [ true, %logic.from9871 ], [ %t20, %logic.rend9874 ]
+  br label %logic.rend10393
+logic.rend10393:
+  br label %logic.end10392
+logic.end10392:
+  %t21 = phi i1 [ true, %logic.from10390 ], [ %t20, %logic.rend10393 ]
   ret i1 %t21
 }
 
@@ -88726,17 +106207,18 @@ entry:
   %a15 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
   %a17 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.json.Json, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store i64 0, ptr %a3
-  br label %each.cond9875
-each.cond9875:
+  br label %each.cond10394
+each.cond10394:
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load i64, ptr %a3
   %t7 = icmp slt i64 %t6, %t5
-  br i1 %t7, label %each.body9876, label %each.end9878
-each.body9876:
+  br i1 %t7, label %each.body10395, label %each.end10397
+each.body10395:
   %t8 = load ptr, ptr %a2
   %t9 = getelementptr inbounds %S.docs.Doc, ptr %t8, i64 %t6
   %t10 = load %S.docs.Doc, ptr %t9
@@ -88745,21 +106227,21 @@ each.body9876:
   %t13 = getelementptr inbounds %S.docs.Doc, ptr %a11, i32 0, i32 1
   %t14 = load { ptr, i64, i64 }, ptr %t13
   store { ptr, i64, i64 } %t14, ptr %a15
-  store { ptr, i64, i64 } { ptr @.str.6681, i64 1, i64 0 }, ptr %a17
+  store { ptr, i64, i64 } { ptr @.str.6894, i64 1, i64 0 }, ptr %a17
   %t18 = call i32 @finch_str_starts(ptr %a15, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %then9879, label %endif9881
-then9879:
+  br i1 %t19, label %then10398, label %endif10400
+then10398:
   store i64 5, ptr %a12
-  br label %endif9881
-endif9881:
+  br label %endif10400
+endif10400:
   %t20 = load ptr, ptr %a1
   %t21 = icmp eq ptr %t20, null
-  br i1 %t21, label %panic9882, label %ok9883
-panic9882:
-  call void @finch_panic(ptr @.str.6682, i64 497, ptr @.str.6683)
+  br i1 %t21, label %panic10401, label %ok10402
+panic10401:
+  call void @finch_panic(ptr @.str.6895, i64 497, ptr @.str.6896)
   unreachable
-ok9883:
+ok10402:
   %t22 = getelementptr inbounds %S.docs.Doc, ptr %a11, i32 0, i32 0
   %t23 = load { ptr, i64, i64 }, ptr %t22
   %t24 = load i64, ptr %a12
@@ -88769,13 +106251,15 @@ ok9883:
   %t28 = load { ptr, i64, i64 }, ptr %t27
   %t29 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t23, i64 %t24, { ptr, i64, i64 } %t26, { ptr, i64, i64 } %t28)
   call void @finch.json.Json.push(ptr %t20, %S.json.Json %t29)
-  br label %each.step9877
-each.step9877:
-  %t30 = load i64, ptr %a3
-  %t31 = add i64 %t30, 1
-  store i64 %t31, ptr %a3
-  br label %each.cond9875
-each.end9878:
+  store %S.json.Json %t29, ptr %a30
+  call void @finch.drop.S_json_Json(ptr %a30)
+  br label %each.step10396
+each.step10396:
+  %t31 = load i64, ptr %a3
+  %t32 = add i64 %t31, 1
+  store i64 %t32, ptr %a3
+  br label %each.cond10394
+each.end10397:
   ret void
 }
 
@@ -88794,8 +106278,7 @@ entry:
   %a38 = alloca { ptr, i64, i64 }, align 16
   %a43 = alloca %S.lsp.VarRec, align 16
   %a44 = alloca %S.lsp.VarRec, align 16
-  %a49 = alloca %S.lsp.VarRec, align 16
-  %a50 = alloca %S.lsp.VarRec, align 16
+  %a47 = alloca %S.lsp.VarRec, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -88803,14 +106286,14 @@ entry:
   store %S.lsp.VarRec zeroinitializer, ptr %a5
   %t6 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 1
   store i64 0, ptr %a7
-  br label %each.cond9884
-each.cond9884:
+  br label %each.cond10403
+each.cond10403:
   %t8 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load i64, ptr %a7
   %t11 = icmp slt i64 %t10, %t9
-  br i1 %t11, label %each.body9885, label %each.end9887
-each.body9885:
+  br i1 %t11, label %each.body10404, label %each.end10406
+each.body10404:
   %t12 = load ptr, ptr %t6
   %t13 = getelementptr inbounds %S.lsp.VarRec, ptr %t12, i64 %t10
   %t14 = load %S.lsp.VarRec, ptr %t13
@@ -88822,37 +106305,37 @@ each.body9885:
   store { ptr, i64, i64 } %t18, ptr %a20
   %t21 = call i32 @finch_str_eq(ptr %a19, ptr %a20)
   %t22 = icmp ne i32 %t21, 0
-  br label %logic.from9888
-logic.from9888:
-  br i1 %t22, label %logic.rhs9889, label %logic.end9890
-logic.rhs9889:
+  br label %logic.from10407
+logic.from10407:
+  br i1 %t22, label %logic.rhs10408, label %logic.end10409
+logic.rhs10408:
   %t23 = getelementptr inbounds %S.lsp.VarRec, ptr %a15, i32 0, i32 3
   %t24 = load i64, ptr %t23
   %t25 = load i64, ptr %a4
   %t26 = icmp sle i64 %t24, %t25
-  br label %logic.rend9891
-logic.rend9891:
-  br label %logic.end9890
-logic.end9890:
-  %t27 = phi i1 [ false, %logic.from9888 ], [ %t26, %logic.rend9891 ]
-  br label %logic.from9892
-logic.from9892:
-  br i1 %t27, label %logic.rhs9893, label %logic.end9894
-logic.rhs9893:
+  br label %logic.rend10410
+logic.rend10410:
+  br label %logic.end10409
+logic.end10409:
+  %t27 = phi i1 [ false, %logic.from10407 ], [ %t26, %logic.rend10410 ]
+  br label %logic.from10411
+logic.from10411:
+  br i1 %t27, label %logic.rhs10412, label %logic.end10413
+logic.rhs10412:
   %t28 = load i64, ptr %a4
   %t29 = getelementptr inbounds %S.lsp.VarRec, ptr %a15, i32 0, i32 7
   %t30 = load i64, ptr %t29
   %t31 = add i64 %t30, 1
   %t32 = icmp sle i64 %t28, %t31
-  br label %logic.rend9895
-logic.rend9895:
-  br label %logic.end9894
-logic.end9894:
-  %t33 = phi i1 [ false, %logic.from9892 ], [ %t32, %logic.rend9895 ]
-  br label %logic.from9896
-logic.from9896:
-  br i1 %t33, label %logic.rhs9897, label %logic.end9898
-logic.rhs9897:
+  br label %logic.rend10414
+logic.rend10414:
+  br label %logic.end10413
+logic.end10413:
+  %t33 = phi i1 [ false, %logic.from10411 ], [ %t32, %logic.rend10414 ]
+  br label %logic.from10415
+logic.from10415:
+  br i1 %t33, label %logic.rhs10416, label %logic.end10417
+logic.rhs10416:
   %t34 = getelementptr inbounds %S.lsp.VarRec, ptr %a15, i32 0, i32 5
   %t35 = load { ptr, i64, i64 }, ptr %t34
   %t36 = load { ptr, i64, i64 }, ptr %a2
@@ -88860,32 +106343,40 @@ logic.rhs9897:
   store { ptr, i64, i64 } %t36, ptr %a38
   %t39 = call i32 @finch_str_eq(ptr %a37, ptr %a38)
   %t40 = icmp ne i32 %t39, 0
-  br label %logic.rend9899
-logic.rend9899:
-  br label %logic.end9898
-logic.end9898:
-  %t41 = phi i1 [ false, %logic.from9896 ], [ %t40, %logic.rend9899 ]
-  br i1 %t41, label %then9900, label %endif9902
-then9900:
+  br label %logic.rend10418
+logic.rend10418:
+  br label %logic.end10417
+logic.end10417:
+  %t41 = phi i1 [ false, %logic.from10415 ], [ %t40, %logic.rend10418 ]
+  br i1 %t41, label %then10419, label %endif10421
+then10419:
   %t42 = load %S.lsp.VarRec, ptr %a15
   store %S.lsp.VarRec %t42, ptr %a43
   call void @finch.copy.S_lsp_VarRec(ptr %a44, ptr %a43)
   %t45 = load %S.lsp.VarRec, ptr %a44
+  %t46 = load %S.lsp.VarRec, ptr %a5
   store %S.lsp.VarRec %t45, ptr %a5
-  br label %endif9902
-endif9902:
-  br label %each.step9886
-each.step9886:
-  %t46 = load i64, ptr %a7
-  %t47 = add i64 %t46, 1
-  store i64 %t47, ptr %a7
-  br label %each.cond9884
-each.end9887:
-  %t48 = load %S.lsp.VarRec, ptr %a5
-  store %S.lsp.VarRec %t48, ptr %a49
-  call void @finch.copy.S_lsp_VarRec(ptr %a50, ptr %a49)
-  %t51 = load %S.lsp.VarRec, ptr %a50
-  ret %S.lsp.VarRec %t51
+  store %S.lsp.VarRec %t46, ptr %a47
+  call void @finch.drop.S_lsp_VarRec(ptr %a47)
+  br label %endif10421
+endif10421:
+  br label %each.step10405
+each.step10405:
+  %t48 = load i64, ptr %a7
+  %t49 = add i64 %t48, 1
+  store i64 %t49, ptr %a7
+  br label %each.cond10403
+each.end10406:
+  %t50 = load %S.lsp.VarRec, ptr %a5
+  ret %S.lsp.VarRec %t50
+}
+
+define internal void @finch.drop.S_lsp_Names(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Names, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
+  ret void
 }
 
 define internal %S.json.Json @finch.lsp.completionAt(%S.lsp.Analysis %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, i64 %p3, i64 %p4) {
@@ -88914,114 +106405,144 @@ entry:
   %a109 = alloca i64, align 16
   %a113 = alloca { ptr, i64, i64 }, align 16
   %a114 = alloca { ptr, i64, i64 }, align 16
-  %a120 = alloca i64, align 16
-  %a123 = alloca i64, align 16
-  %a128 = alloca { ptr, i64, i64 }, align 16
-  %a129 = alloca { ptr, i64, i64 }, align 16
-  %a136 = alloca i64, align 16
-  %a144 = alloca %S.lsp.FnRec, align 16
-  %a148 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a165 = alloca i64, align 16
-  %a173 = alloca %S.lsp.StructRec, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a178 = alloca { ptr, i64, i64 }, align 16
-  %a185 = alloca { ptr, i64, i64 }, align 16
-  %a186 = alloca { ptr, i64, i64 }, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a193 = alloca i64, align 16
-  %a201 = alloca %S.lsp.EnumRec, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a213 = alloca { ptr, i64, i64 }, align 16
-  %a214 = alloca { ptr, i64, i64 }, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a223 = alloca i64, align 16
-  %a231 = alloca %S.lsp.EnumRec, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
-  %a236 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
-  %a246 = alloca { ptr, i64, i64 }, align 16
-  %a252 = alloca i64, align 16
-  %a260 = alloca { ptr, i64, i64 }, align 16
-  %a264 = alloca { ptr, i64, i64 }, align 16
-  %a265 = alloca { ptr, i64, i64 }, align 16
-  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a118 = alloca { ptr, i64, i64 }, align 16
+  %a122 = alloca i64, align 16
+  %a125 = alloca i64, align 16
+  %a130 = alloca { ptr, i64, i64 }, align 16
+  %a131 = alloca { ptr, i64, i64 }, align 16
+  %a138 = alloca i64, align 16
+  %a146 = alloca %S.lsp.FnRec, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
+  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a164 = alloca %S.json.Json, align 16
+  %a168 = alloca i64, align 16
+  %a176 = alloca %S.lsp.StructRec, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a189 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a194 = alloca %S.json.Json, align 16
+  %a198 = alloca i64, align 16
+  %a206 = alloca %S.lsp.EnumRec, align 16
+  %a210 = alloca { ptr, i64, i64 }, align 16
+  %a211 = alloca { ptr, i64, i64 }, align 16
+  %a218 = alloca { ptr, i64, i64 }, align 16
+  %a219 = alloca { ptr, i64, i64 }, align 16
+  %a220 = alloca { ptr, i64, i64 }, align 16
+  %a223 = alloca { ptr, i64, i64 }, align 16
+  %a224 = alloca %S.json.Json, align 16
+  %a230 = alloca i64, align 16
+  %a238 = alloca %S.lsp.EnumRec, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca %S.lsp.VarRec, align 16
+  %a257 = alloca { ptr, i64, i64 }, align 16
+  %a261 = alloca i64, align 16
   %a269 = alloca { ptr, i64, i64 }, align 16
-  %a270 = alloca { ptr, i64, i64 }, align 16
-  %a271 = alloca { ptr, i64, i64 }, align 16
-  %a286 = alloca { ptr, i64, i64 }, align 16
-  %a287 = alloca { ptr, i64, i64 }, align 16
-  %a289 = alloca { ptr, i64, i64 }, align 16
-  %a292 = alloca { ptr, i64, i64 }, align 16
-  %a293 = alloca { ptr, i64, i64 }, align 16
-  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a274 = alloca { ptr, i64, i64 }, align 16
+  %a275 = alloca { ptr, i64, i64 }, align 16
+  %a278 = alloca { ptr, i64, i64 }, align 16
+  %a279 = alloca { ptr, i64, i64 }, align 16
+  %a280 = alloca { ptr, i64, i64 }, align 16
+  %a281 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a285 = alloca %S.json.Json, align 16
+  %a298 = alloca { ptr, i64, i64 }, align 16
   %a299 = alloca { ptr, i64, i64 }, align 16
-  %a300 = alloca { ptr, i64, i64 }, align 16
+  %a301 = alloca %S.lsp.VarRec, align 16
+  %a302 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca { ptr, i64, i64 }, align 16
   %a306 = alloca { ptr, i64, i64 }, align 16
   %a307 = alloca { ptr, i64, i64 }, align 16
   %a312 = alloca { ptr, i64, i64 }, align 16
   %a313 = alloca { ptr, i64, i64 }, align 16
-  %a314 = alloca { ptr, i64, i64 }, align 16
   %a318 = alloca { ptr, i64, i64 }, align 16
-  %a319 = alloca { ptr, i64, i64 }, align 16
-  %a320 = alloca { ptr, i64, i64 }, align 16
-  %a325 = alloca { ptr, i64, i64 }, align 16
-  %a326 = alloca { ptr, i64, i64 }, align 16
-  %a332 = alloca { ptr, i64, i64 }, align 16
-  %a333 = alloca { ptr, i64, i64 }, align 16
-  %a334 = alloca { ptr, i64, i64 }, align 16
-  %a339 = alloca { ptr, i64, i64 }, align 16
-  %a340 = alloca { ptr, i64, i64 }, align 16
-  %a345 = alloca { ptr, i64, i64 }, align 16
-  %a346 = alloca { ptr, i64, i64 }, align 16
-  %a347 = alloca { ptr, i64, i64 }, align 16
+  %a321 = alloca { ptr, i64, i64 }, align 16
+  %a322 = alloca { ptr, i64, i64 }, align 16
+  %a327 = alloca { ptr, i64, i64 }, align 16
+  %a329 = alloca { ptr, i64, i64 }, align 16
+  %a330 = alloca { ptr, i64, i64 }, align 16
+  %a331 = alloca { ptr, i64, i64 }, align 16
+  %a335 = alloca { ptr, i64, i64 }, align 16
+  %a336 = alloca { ptr, i64, i64 }, align 16
+  %a337 = alloca { ptr, i64, i64 }, align 16
+  %a342 = alloca { ptr, i64, i64 }, align 16
+  %a343 = alloca { ptr, i64, i64 }, align 16
+  %a349 = alloca { ptr, i64, i64 }, align 16
+  %a351 = alloca { ptr, i64, i64 }, align 16
   %a352 = alloca { ptr, i64, i64 }, align 16
   %a353 = alloca { ptr, i64, i64 }, align 16
-  %a355 = alloca { ptr, i64, i64 }, align 16
-  %a357 = alloca i64, align 16
-  %a365 = alloca %S.lsp.StructRec, align 16
-  %a369 = alloca { ptr, i64, i64 }, align 16
-  %a370 = alloca { ptr, i64, i64 }, align 16
-  %a376 = alloca i64, align 16
-  %a401 = alloca i64, align 16
-  %a409 = alloca %S.lsp.FnRec, align 16
-  %a413 = alloca { ptr, i64, i64 }, align 16
-  %a414 = alloca { ptr, i64, i64 }, align 16
-  %a426 = alloca %S.lsp.Names, align 16
-  %a428 = alloca i64, align 16
-  %a436 = alloca %S.lsp.VarRec, align 16
-  %a450 = alloca { ptr, i64, i64 }, align 16
-  %a451 = alloca { ptr, i64, i64 }, align 16
-  %a467 = alloca i64, align 16
-  %a475 = alloca %S.lsp.FnRec, align 16
-  %a482 = alloca { ptr, i64, i64 }, align 16
-  %a483 = alloca { ptr, i64, i64 }, align 16
-  %a499 = alloca i64, align 16
-  %a507 = alloca %S.lsp.StructRec, align 16
-  %a510 = alloca { ptr, i64, i64 }, align 16
-  %a511 = alloca { ptr, i64, i64 }, align 16
-  %a522 = alloca { ptr, i64, i64 }, align 16
-  %a523 = alloca { ptr, i64, i64 }, align 16
-  %a524 = alloca { ptr, i64, i64 }, align 16
-  %a530 = alloca i64, align 16
-  %a538 = alloca %S.lsp.EnumRec, align 16
-  %a541 = alloca { ptr, i64, i64 }, align 16
-  %a542 = alloca { ptr, i64, i64 }, align 16
+  %a357 = alloca { ptr, i64, i64 }, align 16
+  %a359 = alloca { ptr, i64, i64 }, align 16
+  %a360 = alloca { ptr, i64, i64 }, align 16
+  %a364 = alloca { ptr, i64, i64 }, align 16
+  %a366 = alloca { ptr, i64, i64 }, align 16
+  %a367 = alloca { ptr, i64, i64 }, align 16
+  %a368 = alloca { ptr, i64, i64 }, align 16
+  %a372 = alloca { ptr, i64, i64 }, align 16
+  %a374 = alloca { ptr, i64, i64 }, align 16
+  %a375 = alloca { ptr, i64, i64 }, align 16
+  %a377 = alloca { ptr, i64, i64 }, align 16
+  %a379 = alloca i64, align 16
+  %a387 = alloca %S.lsp.StructRec, align 16
+  %a391 = alloca { ptr, i64, i64 }, align 16
+  %a392 = alloca { ptr, i64, i64 }, align 16
+  %a398 = alloca i64, align 16
+  %a418 = alloca %S.json.Json, align 16
+  %a424 = alloca i64, align 16
+  %a432 = alloca %S.lsp.FnRec, align 16
+  %a436 = alloca { ptr, i64, i64 }, align 16
+  %a437 = alloca { ptr, i64, i64 }, align 16
+  %a445 = alloca %S.json.Json, align 16
+  %a450 = alloca %S.lsp.Names, align 16
+  %a452 = alloca i64, align 16
+  %a460 = alloca %S.lsp.VarRec, align 16
+  %a474 = alloca { ptr, i64, i64 }, align 16
+  %a475 = alloca { ptr, i64, i64 }, align 16
+  %a488 = alloca %S.json.Json, align 16
+  %a492 = alloca i64, align 16
+  %a500 = alloca %S.lsp.FnRec, align 16
+  %a507 = alloca { ptr, i64, i64 }, align 16
+  %a508 = alloca { ptr, i64, i64 }, align 16
+  %a521 = alloca %S.json.Json, align 16
+  %a525 = alloca i64, align 16
+  %a533 = alloca %S.lsp.StructRec, align 16
+  %a536 = alloca { ptr, i64, i64 }, align 16
+  %a537 = alloca { ptr, i64, i64 }, align 16
+  %a548 = alloca { ptr, i64, i64 }, align 16
+  %a549 = alloca { ptr, i64, i64 }, align 16
+  %a550 = alloca { ptr, i64, i64 }, align 16
   %a553 = alloca { ptr, i64, i64 }, align 16
-  %a554 = alloca { ptr, i64, i64 }, align 16
-  %a555 = alloca { ptr, i64, i64 }, align 16
-  %a561 = alloca i64, align 16
+  %a554 = alloca %S.json.Json, align 16
+  %a558 = alloca i64, align 16
+  %a566 = alloca %S.lsp.EnumRec, align 16
   %a569 = alloca { ptr, i64, i64 }, align 16
-  %a577 = alloca { ptr, i64, i64 }, align 16
-  %a578 = alloca i64, align 16
-  %a586 = alloca %S.docs.Doc, align 16
-  %a600 = alloca { ptr, i64, i64 }, align 16
-  %a601 = alloca i64, align 16
-  %a609 = alloca { ptr, i64, i64 }, align 16
-  %a617 = alloca { ptr, i64, i64 }, align 16
-  %a618 = alloca i64, align 16
-  %a626 = alloca { ptr, i64, i64 }, align 16
+  %a570 = alloca { ptr, i64, i64 }, align 16
+  %a581 = alloca { ptr, i64, i64 }, align 16
+  %a582 = alloca { ptr, i64, i64 }, align 16
+  %a583 = alloca { ptr, i64, i64 }, align 16
+  %a586 = alloca { ptr, i64, i64 }, align 16
+  %a587 = alloca %S.json.Json, align 16
+  %a591 = alloca i64, align 16
+  %a599 = alloca { ptr, i64, i64 }, align 16
+  %a604 = alloca %S.json.Json, align 16
+  %a608 = alloca { ptr, i64, i64 }, align 16
+  %a609 = alloca i64, align 16
+  %a617 = alloca %S.docs.Doc, align 16
+  %a628 = alloca %S.json.Json, align 16
+  %a632 = alloca { ptr, i64, i64 }, align 16
+  %a633 = alloca i64, align 16
+  %a641 = alloca { ptr, i64, i64 }, align 16
+  %a646 = alloca %S.json.Json, align 16
+  %a650 = alloca { ptr, i64, i64 }, align 16
+  %a651 = alloca i64, align 16
+  %a659 = alloca { ptr, i64, i64 }, align 16
+  %a664 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -89040,1085 +106561,1170 @@ entry:
   %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
   %t17 = load i64, ptr %t16
   %t18 = icmp sgt i64 %t15, %t17
-  br i1 %t18, label %then9903, label %endif9905
-then9903:
+  br i1 %t18, label %then10422, label %endif10424
+then10422:
   %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %a11, i32 0, i32 1
   %t20 = load i64, ptr %t19
   store i64 %t20, ptr %a14
-  br label %endif9905
-endif9905:
+  br label %endif10424
+endif10424:
   %t21 = load { ptr, i64, i64 }, ptr %a11
   store { ptr, i64, i64 } %t21, ptr %a22
   %t24 = load i64, ptr %a14
-  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.6684, i64 519)
+  call void @finch_str_sub(ptr %a23, ptr %a22, i64 0, i64 %t24, ptr @.str.6897, i64 519)
   %t25 = load { ptr, i64, i64 }, ptr %a23
   store { ptr, i64, i64 } %t25, ptr %a26
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a26, i32 0, i32 1
   %t28 = load i64, ptr %t27
   store i64 %t28, ptr %a29
-  br label %while.cond9906
-while.cond9906:
+  br label %while.cond10425
+while.cond10425:
   %t30 = load i64, ptr %a29
   %t31 = icmp sgt i64 %t30, 0
-  br label %logic.from9909
-logic.from9909:
-  br i1 %t31, label %logic.rhs9910, label %logic.end9911
-logic.rhs9910:
+  br label %logic.from10428
+logic.from10428:
+  br i1 %t31, label %logic.rhs10429, label %logic.end10430
+logic.rhs10429:
   %t32 = load i64, ptr %a29
   %t33 = sub i64 %t32, 1
   %t34 = load { ptr, i64, i64 }, ptr %a26
   %t35 = extractvalue { ptr, i64, i64 } %t34, 1
   %t36 = icmp uge i64 %t33, %t35
-  br i1 %t36, label %range9912, label %inrange9913
-range9912:
-  call void @finch_panic_index(ptr @.str.6685, i64 522, i64 %t33, i64 %t35)
+  br i1 %t36, label %range10431, label %inrange10432
+range10431:
+  call void @finch_panic_index(ptr @.str.6898, i64 522, i64 %t33, i64 %t35)
   unreachable
-inrange9913:
+inrange10432:
   %t37 = extractvalue { ptr, i64, i64 } %t34, 0
   %t38 = getelementptr inbounds i8, ptr %t37, i64 %t33
   %t39 = load i8, ptr %t38
   %t40 = call i1 @finch.lsp.isWordChar(i8 %t39)
-  br label %logic.rend9914
-logic.rend9914:
-  br label %logic.end9911
-logic.end9911:
-  %t41 = phi i1 [ false, %logic.from9909 ], [ %t40, %logic.rend9914 ]
-  br i1 %t41, label %while.body9907, label %while.end9908
-while.body9907:
+  br label %logic.rend10433
+logic.rend10433:
+  br label %logic.end10430
+logic.end10430:
+  %t41 = phi i1 [ false, %logic.from10428 ], [ %t40, %logic.rend10433 ]
+  br i1 %t41, label %while.body10426, label %while.end10427
+while.body10426:
   %t42 = load i64, ptr %a29
   %t43 = sub i64 %t42, 1
   store i64 %t43, ptr %a29
-  br label %while.cond9906
-while.end9908:
+  br label %while.cond10425
+while.end10427:
   %t44 = load i64, ptr %a29
   %t45 = icmp sgt i64 %t44, 0
-  br label %logic.from9915
-logic.from9915:
-  br i1 %t45, label %logic.rhs9916, label %logic.end9917
-logic.rhs9916:
+  br label %logic.from10434
+logic.from10434:
+  br i1 %t45, label %logic.rhs10435, label %logic.end10436
+logic.rhs10435:
   %t46 = load i64, ptr %a29
   %t47 = sub i64 %t46, 1
   %t48 = load { ptr, i64, i64 }, ptr %a26
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range9918, label %inrange9919
-range9918:
-  call void @finch_panic_index(ptr @.str.6686, i64 525, i64 %t47, i64 %t49)
+  br i1 %t50, label %range10437, label %inrange10438
+range10437:
+  call void @finch_panic_index(ptr @.str.6899, i64 525, i64 %t47, i64 %t49)
   unreachable
-inrange9919:
+inrange10438:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds i8, ptr %t51, i64 %t47
   %t53 = load i8, ptr %t52
   %t54 = icmp eq i8 %t53, 46
-  br label %logic.rend9920
-logic.rend9920:
-  br label %logic.end9917
-logic.end9917:
-  %t55 = phi i1 [ false, %logic.from9915 ], [ %t54, %logic.rend9920 ]
+  br label %logic.rend10439
+logic.rend10439:
+  br label %logic.end10436
+logic.end10436:
+  %t55 = phi i1 [ false, %logic.from10434 ], [ %t54, %logic.rend10439 ]
   store i1 %t55, ptr %a56
   %t57 = load i1, ptr %a56
-  br i1 %t57, label %then9921, label %endif9923
-then9921:
+  br i1 %t57, label %then10440, label %endif10442
+then10440:
   %t58 = load i64, ptr %a29
   %t59 = sub i64 %t58, 1
   store i64 %t59, ptr %a60
-  br label %while.cond9924
-while.cond9924:
+  br label %while.cond10443
+while.cond10443:
   %t61 = load i64, ptr %a60
   %t62 = icmp sgt i64 %t61, 0
-  br label %logic.from9927
-logic.from9927:
-  br i1 %t62, label %logic.rhs9928, label %logic.end9929
-logic.rhs9928:
+  br label %logic.from10446
+logic.from10446:
+  br i1 %t62, label %logic.rhs10447, label %logic.end10448
+logic.rhs10447:
   %t63 = load i64, ptr %a60
   %t64 = sub i64 %t63, 1
   %t65 = load { ptr, i64, i64 }, ptr %a26
   %t66 = extractvalue { ptr, i64, i64 } %t65, 1
   %t67 = icmp uge i64 %t64, %t66
-  br i1 %t67, label %range9930, label %inrange9931
-range9930:
-  call void @finch_panic_index(ptr @.str.6687, i64 528, i64 %t64, i64 %t66)
+  br i1 %t67, label %range10449, label %inrange10450
+range10449:
+  call void @finch_panic_index(ptr @.str.6900, i64 528, i64 %t64, i64 %t66)
   unreachable
-inrange9931:
+inrange10450:
   %t68 = extractvalue { ptr, i64, i64 } %t65, 0
   %t69 = getelementptr inbounds i8, ptr %t68, i64 %t64
   %t70 = load i8, ptr %t69
   %t71 = call i1 @finch.lsp.isWordChar(i8 %t70)
-  br label %logic.from9932
-logic.from9932:
-  br i1 %t71, label %logic.end9934, label %logic.rhs9933
-logic.rhs9933:
+  br label %logic.from10451
+logic.from10451:
+  br i1 %t71, label %logic.end10453, label %logic.rhs10452
+logic.rhs10452:
   %t72 = load i64, ptr %a60
   %t73 = sub i64 %t72, 1
   %t74 = load { ptr, i64, i64 }, ptr %a26
   %t75 = extractvalue { ptr, i64, i64 } %t74, 1
   %t76 = icmp uge i64 %t73, %t75
-  br i1 %t76, label %range9935, label %inrange9936
-range9935:
-  call void @finch_panic_index(ptr @.str.6688, i64 528, i64 %t73, i64 %t75)
+  br i1 %t76, label %range10454, label %inrange10455
+range10454:
+  call void @finch_panic_index(ptr @.str.6901, i64 528, i64 %t73, i64 %t75)
   unreachable
-inrange9936:
+inrange10455:
   %t77 = extractvalue { ptr, i64, i64 } %t74, 0
   %t78 = getelementptr inbounds i8, ptr %t77, i64 %t73
   %t79 = load i8, ptr %t78
   %t80 = icmp eq i8 %t79, 91
-  br label %logic.rend9937
-logic.rend9937:
-  br label %logic.end9934
-logic.end9934:
-  %t81 = phi i1 [ true, %logic.from9932 ], [ %t80, %logic.rend9937 ]
-  br label %logic.from9938
-logic.from9938:
-  br i1 %t81, label %logic.end9940, label %logic.rhs9939
-logic.rhs9939:
+  br label %logic.rend10456
+logic.rend10456:
+  br label %logic.end10453
+logic.end10453:
+  %t81 = phi i1 [ true, %logic.from10451 ], [ %t80, %logic.rend10456 ]
+  br label %logic.from10457
+logic.from10457:
+  br i1 %t81, label %logic.end10459, label %logic.rhs10458
+logic.rhs10458:
   %t82 = load i64, ptr %a60
   %t83 = sub i64 %t82, 1
   %t84 = load { ptr, i64, i64 }, ptr %a26
   %t85 = extractvalue { ptr, i64, i64 } %t84, 1
   %t86 = icmp uge i64 %t83, %t85
-  br i1 %t86, label %range9941, label %inrange9942
-range9941:
-  call void @finch_panic_index(ptr @.str.6689, i64 528, i64 %t83, i64 %t85)
+  br i1 %t86, label %range10460, label %inrange10461
+range10460:
+  call void @finch_panic_index(ptr @.str.6902, i64 528, i64 %t83, i64 %t85)
   unreachable
-inrange9942:
+inrange10461:
   %t87 = extractvalue { ptr, i64, i64 } %t84, 0
   %t88 = getelementptr inbounds i8, ptr %t87, i64 %t83
   %t89 = load i8, ptr %t88
   %t90 = icmp eq i8 %t89, 93
-  br label %logic.rend9943
-logic.rend9943:
-  br label %logic.end9940
-logic.end9940:
-  %t91 = phi i1 [ true, %logic.from9938 ], [ %t90, %logic.rend9943 ]
-  br label %logic.rend9944
-logic.rend9944:
-  br label %logic.end9929
-logic.end9929:
-  %t92 = phi i1 [ false, %logic.from9927 ], [ %t91, %logic.rend9944 ]
-  br i1 %t92, label %while.body9925, label %while.end9926
-while.body9925:
+  br label %logic.rend10462
+logic.rend10462:
+  br label %logic.end10459
+logic.end10459:
+  %t91 = phi i1 [ true, %logic.from10457 ], [ %t90, %logic.rend10462 ]
+  br label %logic.rend10463
+logic.rend10463:
+  br label %logic.end10448
+logic.end10448:
+  %t92 = phi i1 [ false, %logic.from10446 ], [ %t91, %logic.rend10463 ]
+  br i1 %t92, label %while.body10444, label %while.end10445
+while.body10444:
   %t93 = load i64, ptr %a60
   %t94 = sub i64 %t93, 1
   store i64 %t94, ptr %a60
-  br label %while.cond9924
-while.end9926:
+  br label %while.cond10443
+while.end10445:
   %t95 = load { ptr, i64, i64 }, ptr %a26
   store { ptr, i64, i64 } %t95, ptr %a96
   %t98 = load i64, ptr %a60
   %t99 = load i64, ptr %a29
   %t100 = sub i64 %t99, 1
-  call void @finch_str_sub(ptr %a97, ptr %a96, i64 %t98, i64 %t100, ptr @.str.6690, i64 531)
+  call void @finch_str_sub(ptr %a97, ptr %a96, i64 %t98, i64 %t100, ptr @.str.6903, i64 531)
   %t101 = load { ptr, i64, i64 }, ptr %a97
   store { ptr, i64, i64 } %t101, ptr %a102
   store i1 false, ptr %a103
   %t104 = load { ptr, i64, i64 }, ptr %a102
   store { ptr, i64, i64 } %t104, ptr %a105
-  store { ptr, i64, i64 } { ptr @.str.6692, i64 1, i64 0 }, ptr %a107
+  store { ptr, i64, i64 } { ptr @.str.6905, i64 1, i64 0 }, ptr %a107
   %t108 = call i64 @finch_str_find(ptr %a105, ptr %a107)
   store i64 %t108, ptr %a109
   %t110 = load i64, ptr %a109
   %t111 = icmp sge i64 %t110, 0
-  br i1 %t111, label %then9945, label %endif9947
-then9945:
+  br i1 %t111, label %then10464, label %endif10466
+then10464:
   %t112 = load { ptr, i64, i64 }, ptr %a102
   store { ptr, i64, i64 } %t112, ptr %a113
   %t115 = load i64, ptr %a109
-  call void @finch_str_sub(ptr %a114, ptr %a113, i64 0, i64 %t115, ptr @.str.6693, i64 535)
+  call void @finch_str_sub(ptr %a114, ptr %a113, i64 0, i64 %t115, ptr @.str.6906, i64 535)
   %t116 = load { ptr, i64, i64 }, ptr %a114
+  %t117 = load { ptr, i64, i64 }, ptr %a102
   store { ptr, i64, i64 } %t116, ptr %a102
+  store { ptr, i64, i64 } %t117, ptr %a118
+  call void @finch_str_drop(ptr %a118)
   store i1 true, ptr %a103
-  br label %endif9947
-endif9947:
-  %t117 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
-  %t118 = getelementptr inbounds { ptr, i64, i64 }, ptr %t117, i32 0, i32 1
-  %t119 = load { ptr, i64, i64 }, ptr %a102
-  store i64 -1, ptr %a120
-  %t121 = load i64, ptr %t118
-  %t122 = load ptr, ptr %t117
-  store i64 0, ptr %a123
-  br label %find.cond9948
-find.cond9948:
-  %t124 = load i64, ptr %a123
-  %t125 = icmp slt i64 %t124, %t121
-  br i1 %t125, label %find.body9949, label %find.end9952
-find.body9949:
-  %t126 = getelementptr inbounds { ptr, i64, i64 }, ptr %t122, i64 %t124
-  %t127 = load { ptr, i64, i64 }, ptr %t126
-  store { ptr, i64, i64 } %t127, ptr %a128
-  store { ptr, i64, i64 } %t119, ptr %a129
-  %t130 = call i32 @finch_str_eq(ptr %a128, ptr %a129)
-  %t131 = icmp ne i32 %t130, 0
-  br i1 %t131, label %find.hit9950, label %find.next9951
-find.hit9950:
-  store i64 %t124, ptr %a120
-  br label %find.end9952
-find.next9951:
-  %t132 = add i64 %t124, 1
-  store i64 %t132, ptr %a123
-  br label %find.cond9948
-find.end9952:
-  %t133 = load i64, ptr %a120
-  %t134 = icmp sge i64 %t133, 0
-  br i1 %t134, label %then9953, label %endif9955
-then9953:
-  %t135 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a136
-  br label %each.cond9956
-each.cond9956:
-  %t137 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i32 0, i32 1
-  %t138 = load i64, ptr %t137
-  %t139 = load i64, ptr %a136
-  %t140 = icmp slt i64 %t139, %t138
-  br i1 %t140, label %each.body9957, label %each.end9959
-each.body9957:
-  %t141 = load ptr, ptr %t135
-  %t142 = getelementptr inbounds %S.lsp.FnRec, ptr %t141, i64 %t139
-  %t143 = load %S.lsp.FnRec, ptr %t142
-  store %S.lsp.FnRec %t143, ptr %a144
-  %t145 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 0
-  %t146 = load { ptr, i64, i64 }, ptr %t145
-  %t147 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t146, ptr %a148
-  store { ptr, i64, i64 } %t147, ptr %a149
-  %t150 = call i32 @finch_str_eq(ptr %a148, ptr %a149)
-  %t151 = icmp ne i32 %t150, 0
-  br label %logic.from9960
-logic.from9960:
-  br i1 %t151, label %logic.rhs9961, label %logic.end9962
-logic.rhs9961:
-  %t152 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 2
-  %t153 = getelementptr inbounds { ptr, i64, i64 }, ptr %t152, i32 0, i32 1
-  %t154 = load i64, ptr %t153
-  %t155 = icmp eq i64 %t154, 0
-  br label %logic.rend9963
-logic.rend9963:
-  br label %logic.end9962
-logic.end9962:
-  %t156 = phi i1 [ false, %logic.from9960 ], [ %t155, %logic.rend9963 ]
-  br i1 %t156, label %then9964, label %endif9966
-then9964:
-  %t157 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 1
-  %t158 = load { ptr, i64, i64 }, ptr %t157
-  %t159 = getelementptr inbounds %S.lsp.FnRec, ptr %a144, i32 0, i32 7
+  br label %endif10466
+endif10466:
+  %t119 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %a102
+  store i64 -1, ptr %a122
+  %t123 = load i64, ptr %t120
+  %t124 = load ptr, ptr %t119
+  store i64 0, ptr %a125
+  br label %find.cond10467
+find.cond10467:
+  %t126 = load i64, ptr %a125
+  %t127 = icmp slt i64 %t126, %t123
+  br i1 %t127, label %find.body10468, label %find.end10471
+find.body10468:
+  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t124, i64 %t126
+  %t129 = load { ptr, i64, i64 }, ptr %t128
+  store { ptr, i64, i64 } %t129, ptr %a130
+  store { ptr, i64, i64 } %t121, ptr %a131
+  %t132 = call i32 @finch_str_eq(ptr %a130, ptr %a131)
+  %t133 = icmp ne i32 %t132, 0
+  br i1 %t133, label %find.hit10469, label %find.next10470
+find.hit10469:
+  store i64 %t126, ptr %a122
+  br label %find.end10471
+find.next10470:
+  %t134 = add i64 %t126, 1
+  store i64 %t134, ptr %a125
+  br label %find.cond10467
+find.end10471:
+  %t135 = load i64, ptr %a122
+  %t136 = icmp sge i64 %t135, 0
+  br i1 %t136, label %then10472, label %endif10474
+then10472:
+  %t137 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a138
+  br label %each.cond10475
+each.cond10475:
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t137, i32 0, i32 1
+  %t140 = load i64, ptr %t139
+  %t141 = load i64, ptr %a138
+  %t142 = icmp slt i64 %t141, %t140
+  br i1 %t142, label %each.body10476, label %each.end10478
+each.body10476:
+  %t143 = load ptr, ptr %t137
+  %t144 = getelementptr inbounds %S.lsp.FnRec, ptr %t143, i64 %t141
+  %t145 = load %S.lsp.FnRec, ptr %t144
+  store %S.lsp.FnRec %t145, ptr %a146
+  %t147 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 0
+  %t148 = load { ptr, i64, i64 }, ptr %t147
+  %t149 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t148, ptr %a150
+  store { ptr, i64, i64 } %t149, ptr %a151
+  %t152 = call i32 @finch_str_eq(ptr %a150, ptr %a151)
+  %t153 = icmp ne i32 %t152, 0
+  br label %logic.from10479
+logic.from10479:
+  br i1 %t153, label %logic.rhs10480, label %logic.end10481
+logic.rhs10480:
+  %t154 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 2
+  %t155 = getelementptr inbounds { ptr, i64, i64 }, ptr %t154, i32 0, i32 1
+  %t156 = load i64, ptr %t155
+  %t157 = icmp eq i64 %t156, 0
+  br label %logic.rend10482
+logic.rend10482:
+  br label %logic.end10481
+logic.end10481:
+  %t158 = phi i1 [ false, %logic.from10479 ], [ %t157, %logic.rend10482 ]
+  br i1 %t158, label %then10483, label %endif10485
+then10483:
+  %t159 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 1
   %t160 = load { ptr, i64, i64 }, ptr %t159
-  %t161 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t158, i64 3, { ptr, i64, i64 } %t160, { ptr, i64, i64 } { ptr @.str.6694, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t161)
-  br label %endif9966
-endif9966:
-  br label %each.step9958
-each.step9958:
-  %t162 = load i64, ptr %a136
-  %t163 = add i64 %t162, 1
-  store i64 %t163, ptr %a136
-  br label %each.cond9956
-each.end9959:
-  %t164 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a165
-  br label %each.cond9967
-each.cond9967:
-  %t166 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i32 0, i32 1
-  %t167 = load i64, ptr %t166
-  %t168 = load i64, ptr %a165
-  %t169 = icmp slt i64 %t168, %t167
-  br i1 %t169, label %each.body9968, label %each.end9970
-each.body9968:
-  %t170 = load ptr, ptr %t164
-  %t171 = getelementptr inbounds %S.lsp.StructRec, ptr %t170, i64 %t168
-  %t172 = load %S.lsp.StructRec, ptr %t171
-  store %S.lsp.StructRec %t172, ptr %a173
-  %t174 = getelementptr inbounds %S.lsp.StructRec, ptr %a173, i32 0, i32 0
-  %t175 = load { ptr, i64, i64 }, ptr %t174
-  %t176 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t175, ptr %a177
-  store { ptr, i64, i64 } %t176, ptr %a178
-  %t179 = call i32 @finch_str_eq(ptr %a177, ptr %a178)
-  %t180 = icmp ne i32 %t179, 0
-  br i1 %t180, label %then9971, label %endif9973
-then9971:
-  %t181 = getelementptr inbounds %S.lsp.StructRec, ptr %a173, i32 0, i32 1
-  %t182 = load { ptr, i64, i64 }, ptr %t181
-  %t183 = getelementptr inbounds %S.lsp.StructRec, ptr %a173, i32 0, i32 1
-  %t184 = load { ptr, i64, i64 }, ptr %t183
-  store { ptr, i64, i64 } { ptr @.str.6695, i64 7, i64 0 }, ptr %a186
-  store { ptr, i64, i64 } %t184, ptr %a187
-  call void @finch_str_concat(ptr %a185, ptr %a186, ptr %a187)
-  %t188 = load { ptr, i64, i64 }, ptr %a185
-  %t189 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t182, i64 22, { ptr, i64, i64 } %t188, { ptr, i64, i64 } { ptr @.str.6696, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t189)
-  br label %endif9973
-endif9973:
-  br label %each.step9969
-each.step9969:
-  %t190 = load i64, ptr %a165
-  %t191 = add i64 %t190, 1
-  store i64 %t191, ptr %a165
-  br label %each.cond9967
-each.end9970:
-  %t192 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a193
-  br label %each.cond9974
-each.cond9974:
-  %t194 = getelementptr inbounds { ptr, i64, i64 }, ptr %t192, i32 0, i32 1
-  %t195 = load i64, ptr %t194
-  %t196 = load i64, ptr %a193
-  %t197 = icmp slt i64 %t196, %t195
-  br i1 %t197, label %each.body9975, label %each.end9977
-each.body9975:
-  %t198 = load ptr, ptr %t192
-  %t199 = getelementptr inbounds %S.lsp.EnumRec, ptr %t198, i64 %t196
-  %t200 = load %S.lsp.EnumRec, ptr %t199
-  store %S.lsp.EnumRec %t200, ptr %a201
-  %t202 = getelementptr inbounds %S.lsp.EnumRec, ptr %a201, i32 0, i32 0
-  %t203 = load { ptr, i64, i64 }, ptr %t202
-  %t204 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t203, ptr %a205
-  store { ptr, i64, i64 } %t204, ptr %a206
-  %t207 = call i32 @finch_str_eq(ptr %a205, ptr %a206)
-  %t208 = icmp ne i32 %t207, 0
-  br i1 %t208, label %then9978, label %endif9980
-then9978:
-  %t209 = getelementptr inbounds %S.lsp.EnumRec, ptr %a201, i32 0, i32 1
-  %t210 = load { ptr, i64, i64 }, ptr %t209
-  %t211 = getelementptr inbounds %S.lsp.EnumRec, ptr %a201, i32 0, i32 1
-  %t212 = load { ptr, i64, i64 }, ptr %t211
-  store { ptr, i64, i64 } { ptr @.str.6697, i64 5, i64 0 }, ptr %a214
-  store { ptr, i64, i64 } %t212, ptr %a215
-  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
-  %t216 = load { ptr, i64, i64 }, ptr %a213
-  %t217 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t210, i64 13, { ptr, i64, i64 } %t216, { ptr, i64, i64 } { ptr @.str.6698, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t217)
-  br label %endif9980
-endif9980:
-  br label %each.step9976
-each.step9976:
-  %t218 = load i64, ptr %a193
-  %t219 = add i64 %t218, 1
-  store i64 %t219, ptr %a193
-  br label %each.cond9974
-each.end9977:
-  %t220 = load %S.json.Json, ptr %a7
-  %t221 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t220)
-  ret %S.json.Json %t221
-endif9955:
-  %t222 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a223
-  br label %each.cond9981
-each.cond9981:
-  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t222, i32 0, i32 1
-  %t225 = load i64, ptr %t224
-  %t226 = load i64, ptr %a223
-  %t227 = icmp slt i64 %t226, %t225
-  br i1 %t227, label %each.body9982, label %each.end9984
-each.body9982:
-  %t228 = load ptr, ptr %t222
-  %t229 = getelementptr inbounds %S.lsp.EnumRec, ptr %t228, i64 %t226
-  %t230 = load %S.lsp.EnumRec, ptr %t229
-  store %S.lsp.EnumRec %t230, ptr %a231
-  %t232 = getelementptr inbounds %S.lsp.EnumRec, ptr %a231, i32 0, i32 1
-  %t233 = load { ptr, i64, i64 }, ptr %t232
-  %t234 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t233, ptr %a235
-  store { ptr, i64, i64 } %t234, ptr %a236
-  %t237 = call i32 @finch_str_eq(ptr %a235, ptr %a236)
-  %t238 = icmp ne i32 %t237, 0
-  br label %logic.from9985
-logic.from9985:
-  br i1 %t238, label %logic.rhs9986, label %logic.end9987
-logic.rhs9986:
-  %t239 = load %S.lsp.Analysis, ptr %a1
-  %t240 = load { ptr, i64, i64 }, ptr %a3
+  %t161 = getelementptr inbounds %S.lsp.FnRec, ptr %a146, i32 0, i32 7
+  %t162 = load { ptr, i64, i64 }, ptr %t161
+  %t163 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t160, i64 3, { ptr, i64, i64 } %t162, { ptr, i64, i64 } { ptr @.str.6907, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t163)
+  store %S.json.Json %t163, ptr %a164
+  call void @finch.drop.S_json_Json(ptr %a164)
+  br label %endif10485
+endif10485:
+  br label %each.step10477
+each.step10477:
+  %t165 = load i64, ptr %a138
+  %t166 = add i64 %t165, 1
+  store i64 %t166, ptr %a138
+  br label %each.cond10475
+each.end10478:
+  %t167 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a168
+  br label %each.cond10486
+each.cond10486:
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t167, i32 0, i32 1
+  %t170 = load i64, ptr %t169
+  %t171 = load i64, ptr %a168
+  %t172 = icmp slt i64 %t171, %t170
+  br i1 %t172, label %each.body10487, label %each.end10489
+each.body10487:
+  %t173 = load ptr, ptr %t167
+  %t174 = getelementptr inbounds %S.lsp.StructRec, ptr %t173, i64 %t171
+  %t175 = load %S.lsp.StructRec, ptr %t174
+  store %S.lsp.StructRec %t175, ptr %a176
+  %t177 = getelementptr inbounds %S.lsp.StructRec, ptr %a176, i32 0, i32 0
+  %t178 = load { ptr, i64, i64 }, ptr %t177
+  %t179 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t178, ptr %a180
+  store { ptr, i64, i64 } %t179, ptr %a181
+  %t182 = call i32 @finch_str_eq(ptr %a180, ptr %a181)
+  %t183 = icmp ne i32 %t182, 0
+  br i1 %t183, label %then10490, label %endif10492
+then10490:
+  %t184 = getelementptr inbounds %S.lsp.StructRec, ptr %a176, i32 0, i32 1
+  %t185 = load { ptr, i64, i64 }, ptr %t184
+  %t186 = getelementptr inbounds %S.lsp.StructRec, ptr %a176, i32 0, i32 1
+  %t187 = load { ptr, i64, i64 }, ptr %t186
+  store { ptr, i64, i64 } { ptr @.str.6908, i64 7, i64 0 }, ptr %a189
+  store { ptr, i64, i64 } %t187, ptr %a190
+  call void @finch_str_concat(ptr %a188, ptr %a189, ptr %a190)
+  %t191 = load { ptr, i64, i64 }, ptr %a188
+  %t192 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t185, i64 22, { ptr, i64, i64 } %t191, { ptr, i64, i64 } { ptr @.str.6909, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t191, ptr %a193
+  call void @finch_str_drop(ptr %a193)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t192)
+  store %S.json.Json %t192, ptr %a194
+  call void @finch.drop.S_json_Json(ptr %a194)
+  br label %endif10492
+endif10492:
+  br label %each.step10488
+each.step10488:
+  %t195 = load i64, ptr %a168
+  %t196 = add i64 %t195, 1
+  store i64 %t196, ptr %a168
+  br label %each.cond10486
+each.end10489:
+  %t197 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a198
+  br label %each.cond10493
+each.cond10493:
+  %t199 = getelementptr inbounds { ptr, i64, i64 }, ptr %t197, i32 0, i32 1
+  %t200 = load i64, ptr %t199
+  %t201 = load i64, ptr %a198
+  %t202 = icmp slt i64 %t201, %t200
+  br i1 %t202, label %each.body10494, label %each.end10496
+each.body10494:
+  %t203 = load ptr, ptr %t197
+  %t204 = getelementptr inbounds %S.lsp.EnumRec, ptr %t203, i64 %t201
+  %t205 = load %S.lsp.EnumRec, ptr %t204
+  store %S.lsp.EnumRec %t205, ptr %a206
+  %t207 = getelementptr inbounds %S.lsp.EnumRec, ptr %a206, i32 0, i32 0
+  %t208 = load { ptr, i64, i64 }, ptr %t207
+  %t209 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t208, ptr %a210
+  store { ptr, i64, i64 } %t209, ptr %a211
+  %t212 = call i32 @finch_str_eq(ptr %a210, ptr %a211)
+  %t213 = icmp ne i32 %t212, 0
+  br i1 %t213, label %then10497, label %endif10499
+then10497:
+  %t214 = getelementptr inbounds %S.lsp.EnumRec, ptr %a206, i32 0, i32 1
+  %t215 = load { ptr, i64, i64 }, ptr %t214
+  %t216 = getelementptr inbounds %S.lsp.EnumRec, ptr %a206, i32 0, i32 1
+  %t217 = load { ptr, i64, i64 }, ptr %t216
+  store { ptr, i64, i64 } { ptr @.str.6910, i64 5, i64 0 }, ptr %a219
+  store { ptr, i64, i64 } %t217, ptr %a220
+  call void @finch_str_concat(ptr %a218, ptr %a219, ptr %a220)
+  %t221 = load { ptr, i64, i64 }, ptr %a218
+  %t222 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t215, i64 13, { ptr, i64, i64 } %t221, { ptr, i64, i64 } { ptr @.str.6911, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t221, ptr %a223
+  call void @finch_str_drop(ptr %a223)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t222)
+  store %S.json.Json %t222, ptr %a224
+  call void @finch.drop.S_json_Json(ptr %a224)
+  br label %endif10499
+endif10499:
+  br label %each.step10495
+each.step10495:
+  %t225 = load i64, ptr %a198
+  %t226 = add i64 %t225, 1
+  store i64 %t226, ptr %a198
+  br label %each.cond10493
+each.end10496:
+  %t227 = load %S.json.Json, ptr %a7
+  %t228 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t227)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t228
+endif10474:
+  %t229 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a230
+  br label %each.cond10500
+each.cond10500:
+  %t231 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i32 0, i32 1
+  %t232 = load i64, ptr %t231
+  %t233 = load i64, ptr %a230
+  %t234 = icmp slt i64 %t233, %t232
+  br i1 %t234, label %each.body10501, label %each.end10503
+each.body10501:
+  %t235 = load ptr, ptr %t229
+  %t236 = getelementptr inbounds %S.lsp.EnumRec, ptr %t235, i64 %t233
+  %t237 = load %S.lsp.EnumRec, ptr %t236
+  store %S.lsp.EnumRec %t237, ptr %a238
+  %t239 = getelementptr inbounds %S.lsp.EnumRec, ptr %a238, i32 0, i32 1
+  %t240 = load { ptr, i64, i64 }, ptr %t239
   %t241 = load { ptr, i64, i64 }, ptr %a102
-  %t242 = load i64, ptr %a4
-  %t243 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t239, { ptr, i64, i64 } %t240, { ptr, i64, i64 } %t241, i64 %t242)
-  %t244 = extractvalue %S.lsp.VarRec %t243, 0
-  store { ptr, i64, i64 } %t244, ptr %a245
-  call void @finch_str_copy(ptr %a246, ptr %a245)
-  %t247 = load { ptr, i64, i64 }, ptr %a246
-  %t248 = extractvalue { ptr, i64, i64 } %t247, 1
-  %t249 = icmp eq i64 %t248, 0
-  br label %logic.rend9988
-logic.rend9988:
-  br label %logic.end9987
-logic.end9987:
-  %t250 = phi i1 [ false, %logic.from9985 ], [ %t249, %logic.rend9988 ]
-  br i1 %t250, label %then9989, label %endif9991
-then9989:
-  %t251 = getelementptr inbounds %S.lsp.EnumRec, ptr %a231, i32 0, i32 5
-  store i64 0, ptr %a252
-  br label %each.cond9992
-each.cond9992:
-  %t253 = getelementptr inbounds { ptr, i64, i64 }, ptr %t251, i32 0, i32 1
-  %t254 = load i64, ptr %t253
-  %t255 = load i64, ptr %a252
-  %t256 = icmp slt i64 %t255, %t254
-  br i1 %t256, label %each.body9993, label %each.end9995
-each.body9993:
-  %t257 = load ptr, ptr %t251
-  %t258 = getelementptr inbounds { ptr, i64, i64 }, ptr %t257, i64 %t255
-  %t259 = load { ptr, i64, i64 }, ptr %t258
-  store { ptr, i64, i64 } %t259, ptr %a260
-  %t261 = load { ptr, i64, i64 }, ptr %a260
-  %t262 = getelementptr inbounds %S.lsp.EnumRec, ptr %a231, i32 0, i32 1
-  %t263 = load { ptr, i64, i64 }, ptr %t262
-  store { ptr, i64, i64 } %t263, ptr %a265
-  store { ptr, i64, i64 } { ptr @.str.6699, i64 1, i64 0 }, ptr %a266
-  call void @finch_str_concat(ptr %a264, ptr %a265, ptr %a266)
-  %t267 = load { ptr, i64, i64 }, ptr %a264
-  %t268 = load { ptr, i64, i64 }, ptr %a260
-  store { ptr, i64, i64 } %t267, ptr %a270
-  store { ptr, i64, i64 } %t268, ptr %a271
-  call void @finch_str_concat(ptr %a269, ptr %a270, ptr %a271)
-  %t272 = load { ptr, i64, i64 }, ptr %a269
-  %t273 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t261, i64 20, { ptr, i64, i64 } %t272, { ptr, i64, i64 } { ptr @.str.6700, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t273)
-  br label %each.step9994
-each.step9994:
-  %t274 = load i64, ptr %a252
-  %t275 = add i64 %t274, 1
-  store i64 %t275, ptr %a252
-  br label %each.cond9992
-each.end9995:
-  %t276 = load %S.json.Json, ptr %a7
-  %t277 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t276)
-  ret %S.json.Json %t277
-endif9991:
-  br label %each.step9983
-each.step9983:
-  %t278 = load i64, ptr %a223
-  %t279 = add i64 %t278, 1
-  store i64 %t279, ptr %a223
-  br label %each.cond9981
-each.end9984:
-  %t280 = load %S.lsp.Analysis, ptr %a1
-  %t281 = load { ptr, i64, i64 }, ptr %a3
-  %t282 = load { ptr, i64, i64 }, ptr %a102
-  %t283 = load i64, ptr %a4
-  %t284 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t280, { ptr, i64, i64 } %t281, { ptr, i64, i64 } %t282, i64 %t283)
-  %t285 = extractvalue %S.lsp.VarRec %t284, 1
-  store { ptr, i64, i64 } %t285, ptr %a286
-  call void @finch_str_copy(ptr %a287, ptr %a286)
-  %t288 = load { ptr, i64, i64 }, ptr %a287
-  store { ptr, i64, i64 } %t288, ptr %a289
-  %t290 = load i1, ptr %a103
-  br label %logic.from9996
-logic.from9996:
-  br i1 %t290, label %logic.rhs9997, label %logic.end9998
-logic.rhs9997:
-  %t291 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t291, ptr %a292
-  store { ptr, i64, i64 } { ptr @.str.6702, i64 2, i64 0 }, ptr %a294
-  %t295 = call i32 @finch_str_starts(ptr %a292, ptr %a294)
-  %t296 = icmp ne i32 %t295, 0
-  br label %logic.rend9999
-logic.rend9999:
-  br label %logic.end9998
-logic.end9998:
-  %t297 = phi i1 [ false, %logic.from9996 ], [ %t296, %logic.rend9999 ]
-  br i1 %t297, label %then10000, label %else10001
-then10000:
-  %t298 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t298, ptr %a299
-  %t301 = getelementptr inbounds { ptr, i64, i64 }, ptr %a289, i32 0, i32 1
-  %t302 = load i64, ptr %t301
-  call void @finch_str_sub(ptr %a300, ptr %a299, i64 2, i64 %t302, ptr @.str.6703, i64 569)
-  %t303 = load { ptr, i64, i64 }, ptr %a300
-  store { ptr, i64, i64 } %t303, ptr %a289
-  br label %endif10002
-else10001:
-  %t304 = load i1, ptr %a103
-  br label %logic.from10003
-logic.from10003:
-  br i1 %t304, label %logic.rhs10004, label %logic.end10005
-logic.rhs10004:
-  %t305 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t305, ptr %a306
-  store { ptr, i64, i64 } { ptr @.str.6704, i64 3, i64 0 }, ptr %a307
-  %t308 = call i32 @finch_str_eq(ptr %a306, ptr %a307)
+  store { ptr, i64, i64 } %t240, ptr %a242
+  store { ptr, i64, i64 } %t241, ptr %a243
+  %t244 = call i32 @finch_str_eq(ptr %a242, ptr %a243)
+  %t245 = icmp ne i32 %t244, 0
+  br label %logic.from10504
+logic.from10504:
+  br i1 %t245, label %logic.rhs10505, label %logic.end10506
+logic.rhs10505:
+  %t246 = load %S.lsp.Analysis, ptr %a1
+  %t247 = load { ptr, i64, i64 }, ptr %a3
+  %t248 = load { ptr, i64, i64 }, ptr %a102
+  %t249 = load i64, ptr %a4
+  %t250 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t246, { ptr, i64, i64 } %t247, { ptr, i64, i64 } %t248, i64 %t249)
+  %t251 = extractvalue %S.lsp.VarRec %t250, 0
+  store { ptr, i64, i64 } %t251, ptr %a252
+  call void @finch_str_copy(ptr %a253, ptr %a252)
+  %t254 = load { ptr, i64, i64 }, ptr %a253
+  store %S.lsp.VarRec %t250, ptr %a255
+  call void @finch.drop.S_lsp_VarRec(ptr %a255)
+  %t256 = extractvalue { ptr, i64, i64 } %t254, 1
+  store { ptr, i64, i64 } %t254, ptr %a257
+  call void @finch_str_drop(ptr %a257)
+  %t258 = icmp eq i64 %t256, 0
+  br label %logic.rend10507
+logic.rend10507:
+  br label %logic.end10506
+logic.end10506:
+  %t259 = phi i1 [ false, %logic.from10504 ], [ %t258, %logic.rend10507 ]
+  br i1 %t259, label %then10508, label %endif10510
+then10508:
+  %t260 = getelementptr inbounds %S.lsp.EnumRec, ptr %a238, i32 0, i32 5
+  store i64 0, ptr %a261
+  br label %each.cond10511
+each.cond10511:
+  %t262 = getelementptr inbounds { ptr, i64, i64 }, ptr %t260, i32 0, i32 1
+  %t263 = load i64, ptr %t262
+  %t264 = load i64, ptr %a261
+  %t265 = icmp slt i64 %t264, %t263
+  br i1 %t265, label %each.body10512, label %each.end10514
+each.body10512:
+  %t266 = load ptr, ptr %t260
+  %t267 = getelementptr inbounds { ptr, i64, i64 }, ptr %t266, i64 %t264
+  %t268 = load { ptr, i64, i64 }, ptr %t267
+  store { ptr, i64, i64 } %t268, ptr %a269
+  %t270 = load { ptr, i64, i64 }, ptr %a269
+  %t271 = getelementptr inbounds %S.lsp.EnumRec, ptr %a238, i32 0, i32 1
+  %t272 = load { ptr, i64, i64 }, ptr %t271
+  store { ptr, i64, i64 } %t272, ptr %a274
+  store { ptr, i64, i64 } { ptr @.str.6912, i64 1, i64 0 }, ptr %a275
+  call void @finch_str_concat(ptr %a273, ptr %a274, ptr %a275)
+  %t276 = load { ptr, i64, i64 }, ptr %a273
+  %t277 = load { ptr, i64, i64 }, ptr %a269
+  store { ptr, i64, i64 } %t276, ptr %a279
+  store { ptr, i64, i64 } %t277, ptr %a280
+  call void @finch_str_concat(ptr %a278, ptr %a279, ptr %a280)
+  store { ptr, i64, i64 } %t276, ptr %a281
+  call void @finch_str_drop(ptr %a281)
+  %t282 = load { ptr, i64, i64 }, ptr %a278
+  %t283 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t270, i64 20, { ptr, i64, i64 } %t282, { ptr, i64, i64 } { ptr @.str.6913, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t282, ptr %a284
+  call void @finch_str_drop(ptr %a284)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t283)
+  store %S.json.Json %t283, ptr %a285
+  call void @finch.drop.S_json_Json(ptr %a285)
+  br label %each.step10513
+each.step10513:
+  %t286 = load i64, ptr %a261
+  %t287 = add i64 %t286, 1
+  store i64 %t287, ptr %a261
+  br label %each.cond10511
+each.end10514:
+  %t288 = load %S.json.Json, ptr %a7
+  %t289 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t288)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t289
+endif10510:
+  br label %each.step10502
+each.step10502:
+  %t290 = load i64, ptr %a230
+  %t291 = add i64 %t290, 1
+  store i64 %t291, ptr %a230
+  br label %each.cond10500
+each.end10503:
+  %t292 = load %S.lsp.Analysis, ptr %a1
+  %t293 = load { ptr, i64, i64 }, ptr %a3
+  %t294 = load { ptr, i64, i64 }, ptr %a102
+  %t295 = load i64, ptr %a4
+  %t296 = call %S.lsp.VarRec @finch.lsp.varNamed(%S.lsp.Analysis %t292, { ptr, i64, i64 } %t293, { ptr, i64, i64 } %t294, i64 %t295)
+  %t297 = extractvalue %S.lsp.VarRec %t296, 1
+  store { ptr, i64, i64 } %t297, ptr %a298
+  call void @finch_str_copy(ptr %a299, ptr %a298)
+  %t300 = load { ptr, i64, i64 }, ptr %a299
+  store %S.lsp.VarRec %t296, ptr %a301
+  call void @finch.drop.S_lsp_VarRec(ptr %a301)
+  store { ptr, i64, i64 } %t300, ptr %a302
+  %t303 = load i1, ptr %a103
+  br label %logic.from10515
+logic.from10515:
+  br i1 %t303, label %logic.rhs10516, label %logic.end10517
+logic.rhs10516:
+  %t304 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t304, ptr %a305
+  store { ptr, i64, i64 } { ptr @.str.6915, i64 2, i64 0 }, ptr %a307
+  %t308 = call i32 @finch_str_starts(ptr %a305, ptr %a307)
   %t309 = icmp ne i32 %t308, 0
-  br label %logic.rend10006
-logic.rend10006:
-  br label %logic.end10005
-logic.end10005:
-  %t310 = phi i1 [ false, %logic.from10003 ], [ %t309, %logic.rend10006 ]
-  br i1 %t310, label %then10007, label %endif10009
-then10007:
-  store { ptr, i64, i64 } { ptr @.str.6705, i64 4, i64 0 }, ptr %a289
-  br label %endif10009
-endif10009:
-  br label %endif10002
-endif10002:
-  %t311 = load { ptr, i64, i64 }, ptr %a289
+  br label %logic.rend10518
+logic.rend10518:
+  br label %logic.end10517
+logic.end10517:
+  %t310 = phi i1 [ false, %logic.from10515 ], [ %t309, %logic.rend10518 ]
+  br i1 %t310, label %then10519, label %else10520
+then10519:
+  %t311 = load { ptr, i64, i64 }, ptr %a302
   store { ptr, i64, i64 } %t311, ptr %a312
-  store { ptr, i64, i64 } { ptr @.str.6707, i64 4, i64 0 }, ptr %a314
-  %t315 = call i32 @finch_str_starts(ptr %a312, ptr %a314)
-  %t316 = icmp ne i32 %t315, 0
-  br label %logic.from10010
-logic.from10010:
-  br i1 %t316, label %logic.rhs10011, label %logic.end10012
-logic.rhs10011:
-  %t317 = load { ptr, i64, i64 }, ptr %a289
+  %t314 = getelementptr inbounds { ptr, i64, i64 }, ptr %a302, i32 0, i32 1
+  %t315 = load i64, ptr %t314
+  call void @finch_str_sub(ptr %a313, ptr %a312, i64 2, i64 %t315, ptr @.str.6916, i64 569)
+  %t316 = load { ptr, i64, i64 }, ptr %a313
+  %t317 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t316, ptr %a302
   store { ptr, i64, i64 } %t317, ptr %a318
-  store { ptr, i64, i64 } { ptr @.str.6709, i64 1, i64 0 }, ptr %a320
-  %t321 = call i32 @finch_str_ends(ptr %a318, ptr %a320)
-  %t322 = icmp ne i32 %t321, 0
-  br label %logic.rend10013
-logic.rend10013:
-  br label %logic.end10012
-logic.end10012:
-  %t323 = phi i1 [ false, %logic.from10010 ], [ %t322, %logic.rend10013 ]
-  br i1 %t323, label %then10014, label %endif10016
-then10014:
-  %t324 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t324, ptr %a325
-  %t327 = getelementptr inbounds { ptr, i64, i64 }, ptr %a289, i32 0, i32 1
-  %t328 = load i64, ptr %t327
-  %t329 = sub i64 %t328, 1
-  call void @finch_str_sub(ptr %a326, ptr %a325, i64 4, i64 %t329, ptr @.str.6710, i64 574)
-  %t330 = load { ptr, i64, i64 }, ptr %a326
-  store { ptr, i64, i64 } %t330, ptr %a289
-  br label %endif10016
-endif10016:
-  %t331 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t331, ptr %a332
-  store { ptr, i64, i64 } { ptr @.str.6712, i64 2, i64 0 }, ptr %a334
-  %t335 = call i32 @finch_str_starts(ptr %a332, ptr %a334)
-  %t336 = icmp ne i32 %t335, 0
-  br i1 %t336, label %then10017, label %else10018
-then10017:
-  %t337 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
-  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t337)
-  br label %endif10019
-else10018:
-  %t338 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t338, ptr %a339
-  store { ptr, i64, i64 } { ptr @.str.6713, i64 3, i64 0 }, ptr %a340
-  %t341 = call i32 @finch_str_eq(ptr %a339, ptr %a340)
-  %t342 = icmp ne i32 %t341, 0
-  br i1 %t342, label %then10020, label %else10021
-then10020:
-  %t343 = call { ptr, i64, i64 } @finch.docs.strMethods()
-  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t343)
-  br label %endif10022
-else10021:
-  %t344 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t344, ptr %a345
-  store { ptr, i64, i64 } { ptr @.str.6715, i64 4, i64 0 }, ptr %a347
-  %t348 = call i32 @finch_str_starts(ptr %a345, ptr %a347)
-  %t349 = icmp ne i32 %t348, 0
-  br i1 %t349, label %then10023, label %else10024
-then10023:
-  %t350 = call { ptr, i64, i64 } @finch.docs.mapMethods()
-  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t350)
-  br label %endif10025
-else10024:
-  %t351 = load { ptr, i64, i64 }, ptr %a289
-  store { ptr, i64, i64 } %t351, ptr %a352
-  call void @finch_str_copy(ptr %a353, ptr %a352)
-  %t354 = load { ptr, i64, i64 }, ptr %a353
-  store { ptr, i64, i64 } %t354, ptr %a355
-  %t356 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a357
-  br label %each.cond10026
-each.cond10026:
-  %t358 = getelementptr inbounds { ptr, i64, i64 }, ptr %t356, i32 0, i32 1
-  %t359 = load i64, ptr %t358
-  %t360 = load i64, ptr %a357
-  %t361 = icmp slt i64 %t360, %t359
-  br i1 %t361, label %each.body10027, label %each.end10029
-each.body10027:
-  %t362 = load ptr, ptr %t356
-  %t363 = getelementptr inbounds %S.lsp.StructRec, ptr %t362, i64 %t360
-  %t364 = load %S.lsp.StructRec, ptr %t363
-  store %S.lsp.StructRec %t364, ptr %a365
-  %t366 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 1
-  %t367 = load { ptr, i64, i64 }, ptr %t366
-  %t368 = load { ptr, i64, i64 }, ptr %a355
-  store { ptr, i64, i64 } %t367, ptr %a369
-  store { ptr, i64, i64 } %t368, ptr %a370
-  %t371 = call i32 @finch_str_eq(ptr %a369, ptr %a370)
-  %t372 = icmp ne i32 %t371, 0
-  br i1 %t372, label %then10030, label %endif10032
-then10030:
-  %t373 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 5
-  %t374 = getelementptr inbounds { ptr, i64, i64 }, ptr %t373, i32 0, i32 1
-  %t375 = load i64, ptr %t374
-  store i64 0, ptr %a376
-  br label %for.cond10033
-for.cond10033:
-  %t377 = load i64, ptr %a376
-  %t378 = icmp slt i64 %t377, %t375
-  br i1 %t378, label %for.body10034, label %for.end10036
-for.body10034:
-  %t379 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 5
-  %t380 = load i64, ptr %a376
-  %t381 = load { ptr, i64, i64 }, ptr %t379
-  %t382 = extractvalue { ptr, i64, i64 } %t381, 1
-  %t383 = icmp uge i64 %t380, %t382
-  br i1 %t383, label %range10037, label %inrange10038
-range10037:
-  call void @finch_panic_index(ptr @.str.6716, i64 587, i64 %t380, i64 %t382)
+  call void @finch_str_drop(ptr %a318)
+  br label %endif10521
+else10520:
+  %t319 = load i1, ptr %a103
+  br label %logic.from10522
+logic.from10522:
+  br i1 %t319, label %logic.rhs10523, label %logic.end10524
+logic.rhs10523:
+  %t320 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t320, ptr %a321
+  store { ptr, i64, i64 } { ptr @.str.6917, i64 3, i64 0 }, ptr %a322
+  %t323 = call i32 @finch_str_eq(ptr %a321, ptr %a322)
+  %t324 = icmp ne i32 %t323, 0
+  br label %logic.rend10525
+logic.rend10525:
+  br label %logic.end10524
+logic.end10524:
+  %t325 = phi i1 [ false, %logic.from10522 ], [ %t324, %logic.rend10525 ]
+  br i1 %t325, label %then10526, label %endif10528
+then10526:
+  %t326 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } { ptr @.str.6918, i64 4, i64 0 }, ptr %a302
+  store { ptr, i64, i64 } %t326, ptr %a327
+  call void @finch_str_drop(ptr %a327)
+  br label %endif10528
+endif10528:
+  br label %endif10521
+endif10521:
+  %t328 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t328, ptr %a329
+  store { ptr, i64, i64 } { ptr @.str.6920, i64 4, i64 0 }, ptr %a331
+  %t332 = call i32 @finch_str_starts(ptr %a329, ptr %a331)
+  %t333 = icmp ne i32 %t332, 0
+  br label %logic.from10529
+logic.from10529:
+  br i1 %t333, label %logic.rhs10530, label %logic.end10531
+logic.rhs10530:
+  %t334 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t334, ptr %a335
+  store { ptr, i64, i64 } { ptr @.str.6922, i64 1, i64 0 }, ptr %a337
+  %t338 = call i32 @finch_str_ends(ptr %a335, ptr %a337)
+  %t339 = icmp ne i32 %t338, 0
+  br label %logic.rend10532
+logic.rend10532:
+  br label %logic.end10531
+logic.end10531:
+  %t340 = phi i1 [ false, %logic.from10529 ], [ %t339, %logic.rend10532 ]
+  br i1 %t340, label %then10533, label %endif10535
+then10533:
+  %t341 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t341, ptr %a342
+  %t344 = getelementptr inbounds { ptr, i64, i64 }, ptr %a302, i32 0, i32 1
+  %t345 = load i64, ptr %t344
+  %t346 = sub i64 %t345, 1
+  call void @finch_str_sub(ptr %a343, ptr %a342, i64 4, i64 %t346, ptr @.str.6923, i64 574)
+  %t347 = load { ptr, i64, i64 }, ptr %a343
+  %t348 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t347, ptr %a302
+  store { ptr, i64, i64 } %t348, ptr %a349
+  call void @finch_str_drop(ptr %a349)
+  br label %endif10535
+endif10535:
+  %t350 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t350, ptr %a351
+  store { ptr, i64, i64 } { ptr @.str.6925, i64 2, i64 0 }, ptr %a353
+  %t354 = call i32 @finch_str_starts(ptr %a351, ptr %a353)
+  %t355 = icmp ne i32 %t354, 0
+  br i1 %t355, label %then10536, label %else10537
+then10536:
+  %t356 = call { ptr, i64, i64 } @finch.docs.arrayMethods()
+  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t356)
+  store { ptr, i64, i64 } %t356, ptr %a357
+  call void @finch.drop.arr_S_docs_Doc(ptr %a357)
+  br label %endif10538
+else10537:
+  %t358 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t358, ptr %a359
+  store { ptr, i64, i64 } { ptr @.str.6926, i64 3, i64 0 }, ptr %a360
+  %t361 = call i32 @finch_str_eq(ptr %a359, ptr %a360)
+  %t362 = icmp ne i32 %t361, 0
+  br i1 %t362, label %then10539, label %else10540
+then10539:
+  %t363 = call { ptr, i64, i64 } @finch.docs.strMethods()
+  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t363)
+  store { ptr, i64, i64 } %t363, ptr %a364
+  call void @finch.drop.arr_S_docs_Doc(ptr %a364)
+  br label %endif10541
+else10540:
+  %t365 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t365, ptr %a366
+  store { ptr, i64, i64 } { ptr @.str.6928, i64 4, i64 0 }, ptr %a368
+  %t369 = call i32 @finch_str_starts(ptr %a366, ptr %a368)
+  %t370 = icmp ne i32 %t369, 0
+  br i1 %t370, label %then10542, label %else10543
+then10542:
+  %t371 = call { ptr, i64, i64 } @finch.docs.mapMethods()
+  call void @finch.lsp.methodItems(ptr %a7, { ptr, i64, i64 } %t371)
+  store { ptr, i64, i64 } %t371, ptr %a372
+  call void @finch.drop.arr_S_docs_Doc(ptr %a372)
+  br label %endif10544
+else10543:
+  %t373 = load { ptr, i64, i64 }, ptr %a302
+  store { ptr, i64, i64 } %t373, ptr %a374
+  call void @finch_str_copy(ptr %a375, ptr %a374)
+  %t376 = load { ptr, i64, i64 }, ptr %a375
+  store { ptr, i64, i64 } %t376, ptr %a377
+  %t378 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a379
+  br label %each.cond10545
+each.cond10545:
+  %t380 = getelementptr inbounds { ptr, i64, i64 }, ptr %t378, i32 0, i32 1
+  %t381 = load i64, ptr %t380
+  %t382 = load i64, ptr %a379
+  %t383 = icmp slt i64 %t382, %t381
+  br i1 %t383, label %each.body10546, label %each.end10548
+each.body10546:
+  %t384 = load ptr, ptr %t378
+  %t385 = getelementptr inbounds %S.lsp.StructRec, ptr %t384, i64 %t382
+  %t386 = load %S.lsp.StructRec, ptr %t385
+  store %S.lsp.StructRec %t386, ptr %a387
+  %t388 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 1
+  %t389 = load { ptr, i64, i64 }, ptr %t388
+  %t390 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t389, ptr %a391
+  store { ptr, i64, i64 } %t390, ptr %a392
+  %t393 = call i32 @finch_str_eq(ptr %a391, ptr %a392)
+  %t394 = icmp ne i32 %t393, 0
+  br i1 %t394, label %then10549, label %endif10551
+then10549:
+  %t395 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 5
+  %t396 = getelementptr inbounds { ptr, i64, i64 }, ptr %t395, i32 0, i32 1
+  %t397 = load i64, ptr %t396
+  store i64 0, ptr %a398
+  br label %for.cond10552
+for.cond10552:
+  %t399 = load i64, ptr %a398
+  %t400 = icmp slt i64 %t399, %t397
+  br i1 %t400, label %for.body10553, label %for.end10555
+for.body10553:
+  %t401 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 5
+  %t402 = load i64, ptr %a398
+  %t403 = load { ptr, i64, i64 }, ptr %t401
+  %t404 = extractvalue { ptr, i64, i64 } %t403, 1
+  %t405 = icmp uge i64 %t402, %t404
+  br i1 %t405, label %range10556, label %inrange10557
+range10556:
+  call void @finch_panic_index(ptr @.str.6929, i64 587, i64 %t402, i64 %t404)
   unreachable
-inrange10038:
-  %t384 = extractvalue { ptr, i64, i64 } %t381, 0
-  %t385 = getelementptr inbounds { ptr, i64, i64 }, ptr %t384, i64 %t380
-  %t386 = load { ptr, i64, i64 }, ptr %t385
-  %t387 = getelementptr inbounds %S.lsp.StructRec, ptr %a365, i32 0, i32 6
-  %t388 = load i64, ptr %a376
-  %t389 = load { ptr, i64, i64 }, ptr %t387
-  %t390 = extractvalue { ptr, i64, i64 } %t389, 1
-  %t391 = icmp uge i64 %t388, %t390
-  br i1 %t391, label %range10039, label %inrange10040
-range10039:
-  call void @finch_panic_index(ptr @.str.6717, i64 587, i64 %t388, i64 %t390)
+inrange10557:
+  %t406 = extractvalue { ptr, i64, i64 } %t403, 0
+  %t407 = getelementptr inbounds { ptr, i64, i64 }, ptr %t406, i64 %t402
+  %t408 = load { ptr, i64, i64 }, ptr %t407
+  %t409 = getelementptr inbounds %S.lsp.StructRec, ptr %a387, i32 0, i32 6
+  %t410 = load i64, ptr %a398
+  %t411 = load { ptr, i64, i64 }, ptr %t409
+  %t412 = extractvalue { ptr, i64, i64 } %t411, 1
+  %t413 = icmp uge i64 %t410, %t412
+  br i1 %t413, label %range10558, label %inrange10559
+range10558:
+  call void @finch_panic_index(ptr @.str.6930, i64 587, i64 %t410, i64 %t412)
   unreachable
-inrange10040:
-  %t392 = extractvalue { ptr, i64, i64 } %t389, 0
-  %t393 = getelementptr inbounds { ptr, i64, i64 }, ptr %t392, i64 %t388
-  %t394 = load { ptr, i64, i64 }, ptr %t393
-  %t395 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t386, i64 5, { ptr, i64, i64 } %t394, { ptr, i64, i64 } { ptr @.str.6718, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t395)
-  br label %for.step10035
-for.step10035:
-  %t396 = load i64, ptr %a376
-  %t397 = add i64 %t396, 1
-  store i64 %t397, ptr %a376
-  br label %for.cond10033
-for.end10036:
-  br label %endif10032
-endif10032:
-  br label %each.step10028
-each.step10028:
-  %t398 = load i64, ptr %a357
-  %t399 = add i64 %t398, 1
-  store i64 %t399, ptr %a357
-  br label %each.cond10026
-each.end10029:
-  %t400 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a401
-  br label %each.cond10041
-each.cond10041:
-  %t402 = getelementptr inbounds { ptr, i64, i64 }, ptr %t400, i32 0, i32 1
-  %t403 = load i64, ptr %t402
-  %t404 = load i64, ptr %a401
-  %t405 = icmp slt i64 %t404, %t403
-  br i1 %t405, label %each.body10042, label %each.end10044
-each.body10042:
-  %t406 = load ptr, ptr %t400
-  %t407 = getelementptr inbounds %S.lsp.FnRec, ptr %t406, i64 %t404
-  %t408 = load %S.lsp.FnRec, ptr %t407
-  store %S.lsp.FnRec %t408, ptr %a409
-  %t410 = getelementptr inbounds %S.lsp.FnRec, ptr %a409, i32 0, i32 2
-  %t411 = load { ptr, i64, i64 }, ptr %t410
-  %t412 = load { ptr, i64, i64 }, ptr %a355
-  store { ptr, i64, i64 } %t411, ptr %a413
-  store { ptr, i64, i64 } %t412, ptr %a414
-  %t415 = call i32 @finch_str_eq(ptr %a413, ptr %a414)
-  %t416 = icmp ne i32 %t415, 0
-  br i1 %t416, label %then10045, label %endif10047
-then10045:
-  %t417 = getelementptr inbounds %S.lsp.FnRec, ptr %a409, i32 0, i32 1
-  %t418 = load { ptr, i64, i64 }, ptr %t417
-  %t419 = getelementptr inbounds %S.lsp.FnRec, ptr %a409, i32 0, i32 7
-  %t420 = load { ptr, i64, i64 }, ptr %t419
-  %t421 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t418, i64 2, { ptr, i64, i64 } %t420, { ptr, i64, i64 } { ptr @.str.6719, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t421)
-  br label %endif10047
-endif10047:
-  br label %each.step10043
-each.step10043:
-  %t422 = load i64, ptr %a401
-  %t423 = add i64 %t422, 1
-  store i64 %t423, ptr %a401
-  br label %each.cond10041
-each.end10044:
-  br label %endif10025
-endif10025:
-  br label %endif10022
-endif10022:
-  br label %endif10019
-endif10019:
-  %t424 = load %S.json.Json, ptr %a7
-  %t425 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t424)
-  ret %S.json.Json %t425
-endif9923:
-  store %S.lsp.Names zeroinitializer, ptr %a426
-  %t427 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 1
-  store i64 0, ptr %a428
-  br label %each.cond10048
-each.cond10048:
-  %t429 = getelementptr inbounds { ptr, i64, i64 }, ptr %t427, i32 0, i32 1
-  %t430 = load i64, ptr %t429
-  %t431 = load i64, ptr %a428
-  %t432 = icmp slt i64 %t431, %t430
-  br i1 %t432, label %each.body10049, label %each.end10051
-each.body10049:
-  %t433 = load ptr, ptr %t427
-  %t434 = getelementptr inbounds %S.lsp.VarRec, ptr %t433, i64 %t431
-  %t435 = load %S.lsp.VarRec, ptr %t434
-  store %S.lsp.VarRec %t435, ptr %a436
-  %t437 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 3
-  %t438 = load i64, ptr %t437
-  %t439 = load i64, ptr %a4
-  %t440 = icmp sle i64 %t438, %t439
-  br label %logic.from10052
-logic.from10052:
-  br i1 %t440, label %logic.rhs10053, label %logic.end10054
-logic.rhs10053:
-  %t441 = load i64, ptr %a4
-  %t442 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 7
-  %t443 = load i64, ptr %t442
-  %t444 = add i64 %t443, 1
-  %t445 = icmp sle i64 %t441, %t444
-  br label %logic.rend10055
-logic.rend10055:
-  br label %logic.end10054
-logic.end10054:
-  %t446 = phi i1 [ false, %logic.from10052 ], [ %t445, %logic.rend10055 ]
-  br label %logic.from10056
-logic.from10056:
-  br i1 %t446, label %logic.rhs10057, label %logic.end10058
-logic.rhs10057:
-  %t447 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 5
-  %t448 = load { ptr, i64, i64 }, ptr %t447
-  %t449 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t448, ptr %a450
-  store { ptr, i64, i64 } %t449, ptr %a451
-  %t452 = call i32 @finch_str_eq(ptr %a450, ptr %a451)
-  %t453 = icmp ne i32 %t452, 0
-  br label %logic.rend10059
-logic.rend10059:
-  br label %logic.end10058
-logic.end10058:
-  %t454 = phi i1 [ false, %logic.from10056 ], [ %t453, %logic.rend10059 ]
-  br label %logic.from10060
-logic.from10060:
-  br i1 %t454, label %logic.rhs10061, label %logic.end10062
-logic.rhs10061:
-  %t455 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 0
-  %t456 = load { ptr, i64, i64 }, ptr %t455
-  %t457 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t456)
-  br label %logic.rend10063
-logic.rend10063:
-  br label %logic.end10062
-logic.end10062:
-  %t458 = phi i1 [ false, %logic.from10060 ], [ %t457, %logic.rend10063 ]
-  br i1 %t458, label %then10064, label %endif10066
-then10064:
-  %t459 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 0
-  %t460 = load { ptr, i64, i64 }, ptr %t459
-  %t461 = getelementptr inbounds %S.lsp.VarRec, ptr %a436, i32 0, i32 1
-  %t462 = load { ptr, i64, i64 }, ptr %t461
-  %t463 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t460, i64 6, { ptr, i64, i64 } %t462, { ptr, i64, i64 } { ptr @.str.6720, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t463)
-  br label %endif10066
-endif10066:
-  br label %each.step10050
-each.step10050:
-  %t464 = load i64, ptr %a428
-  %t465 = add i64 %t464, 1
-  store i64 %t465, ptr %a428
-  br label %each.cond10048
-each.end10051:
-  %t466 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a467
-  br label %each.cond10067
-each.cond10067:
-  %t468 = getelementptr inbounds { ptr, i64, i64 }, ptr %t466, i32 0, i32 1
-  %t469 = load i64, ptr %t468
-  %t470 = load i64, ptr %a467
-  %t471 = icmp slt i64 %t470, %t469
-  br i1 %t471, label %each.body10068, label %each.end10070
-each.body10068:
-  %t472 = load ptr, ptr %t466
-  %t473 = getelementptr inbounds %S.lsp.FnRec, ptr %t472, i64 %t470
-  %t474 = load %S.lsp.FnRec, ptr %t473
-  store %S.lsp.FnRec %t474, ptr %a475
-  %t476 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 2
-  %t477 = getelementptr inbounds { ptr, i64, i64 }, ptr %t476, i32 0, i32 1
-  %t478 = load i64, ptr %t477
-  %t479 = icmp eq i64 %t478, 0
-  br label %logic.from10071
-logic.from10071:
-  br i1 %t479, label %logic.rhs10072, label %logic.end10073
-logic.rhs10072:
-  %t480 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 0
-  %t481 = load { ptr, i64, i64 }, ptr %t480
-  store { ptr, i64, i64 } %t481, ptr %a482
-  store { ptr, i64, i64 } { ptr @.str.6721, i64 0, i64 0 }, ptr %a483
-  %t484 = call i32 @finch_str_eq(ptr %a482, ptr %a483)
-  %t485 = icmp ne i32 %t484, 0
-  br label %logic.rend10074
-logic.rend10074:
-  br label %logic.end10073
-logic.end10073:
-  %t486 = phi i1 [ false, %logic.from10071 ], [ %t485, %logic.rend10074 ]
-  br label %logic.from10075
-logic.from10075:
-  br i1 %t486, label %logic.rhs10076, label %logic.end10077
-logic.rhs10076:
-  %t487 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 1
-  %t488 = load { ptr, i64, i64 }, ptr %t487
-  %t489 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t488)
-  br label %logic.rend10078
-logic.rend10078:
-  br label %logic.end10077
-logic.end10077:
-  %t490 = phi i1 [ false, %logic.from10075 ], [ %t489, %logic.rend10078 ]
-  br i1 %t490, label %then10079, label %endif10081
-then10079:
-  %t491 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 1
-  %t492 = load { ptr, i64, i64 }, ptr %t491
-  %t493 = getelementptr inbounds %S.lsp.FnRec, ptr %a475, i32 0, i32 7
-  %t494 = load { ptr, i64, i64 }, ptr %t493
-  %t495 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t492, i64 3, { ptr, i64, i64 } %t494, { ptr, i64, i64 } { ptr @.str.6722, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t495)
-  br label %endif10081
-endif10081:
-  br label %each.step10069
-each.step10069:
-  %t496 = load i64, ptr %a467
-  %t497 = add i64 %t496, 1
-  store i64 %t497, ptr %a467
-  br label %each.cond10067
-each.end10070:
-  %t498 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
-  store i64 0, ptr %a499
-  br label %each.cond10082
-each.cond10082:
-  %t500 = getelementptr inbounds { ptr, i64, i64 }, ptr %t498, i32 0, i32 1
-  %t501 = load i64, ptr %t500
-  %t502 = load i64, ptr %a499
-  %t503 = icmp slt i64 %t502, %t501
-  br i1 %t503, label %each.body10083, label %each.end10085
-each.body10083:
-  %t504 = load ptr, ptr %t498
-  %t505 = getelementptr inbounds %S.lsp.StructRec, ptr %t504, i64 %t502
-  %t506 = load %S.lsp.StructRec, ptr %t505
-  store %S.lsp.StructRec %t506, ptr %a507
-  %t508 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 0
-  %t509 = load { ptr, i64, i64 }, ptr %t508
-  store { ptr, i64, i64 } %t509, ptr %a510
-  store { ptr, i64, i64 } { ptr @.str.6723, i64 0, i64 0 }, ptr %a511
-  %t512 = call i32 @finch_str_eq(ptr %a510, ptr %a511)
-  %t513 = icmp ne i32 %t512, 0
-  br label %logic.from10086
-logic.from10086:
-  br i1 %t513, label %logic.rhs10087, label %logic.end10088
-logic.rhs10087:
-  %t514 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 1
-  %t515 = load { ptr, i64, i64 }, ptr %t514
-  %t516 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t515)
-  br label %logic.rend10089
-logic.rend10089:
-  br label %logic.end10088
-logic.end10088:
-  %t517 = phi i1 [ false, %logic.from10086 ], [ %t516, %logic.rend10089 ]
-  br i1 %t517, label %then10090, label %endif10092
-then10090:
-  %t518 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 1
+inrange10559:
+  %t414 = extractvalue { ptr, i64, i64 } %t411, 0
+  %t415 = getelementptr inbounds { ptr, i64, i64 }, ptr %t414, i64 %t410
+  %t416 = load { ptr, i64, i64 }, ptr %t415
+  %t417 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t408, i64 5, { ptr, i64, i64 } %t416, { ptr, i64, i64 } { ptr @.str.6931, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t417)
+  store %S.json.Json %t417, ptr %a418
+  call void @finch.drop.S_json_Json(ptr %a418)
+  br label %for.step10554
+for.step10554:
+  %t419 = load i64, ptr %a398
+  %t420 = add i64 %t419, 1
+  store i64 %t420, ptr %a398
+  br label %for.cond10552
+for.end10555:
+  br label %endif10551
+endif10551:
+  br label %each.step10547
+each.step10547:
+  %t421 = load i64, ptr %a379
+  %t422 = add i64 %t421, 1
+  store i64 %t422, ptr %a379
+  br label %each.cond10545
+each.end10548:
+  %t423 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a424
+  br label %each.cond10560
+each.cond10560:
+  %t425 = getelementptr inbounds { ptr, i64, i64 }, ptr %t423, i32 0, i32 1
+  %t426 = load i64, ptr %t425
+  %t427 = load i64, ptr %a424
+  %t428 = icmp slt i64 %t427, %t426
+  br i1 %t428, label %each.body10561, label %each.end10563
+each.body10561:
+  %t429 = load ptr, ptr %t423
+  %t430 = getelementptr inbounds %S.lsp.FnRec, ptr %t429, i64 %t427
+  %t431 = load %S.lsp.FnRec, ptr %t430
+  store %S.lsp.FnRec %t431, ptr %a432
+  %t433 = getelementptr inbounds %S.lsp.FnRec, ptr %a432, i32 0, i32 2
+  %t434 = load { ptr, i64, i64 }, ptr %t433
+  %t435 = load { ptr, i64, i64 }, ptr %a377
+  store { ptr, i64, i64 } %t434, ptr %a436
+  store { ptr, i64, i64 } %t435, ptr %a437
+  %t438 = call i32 @finch_str_eq(ptr %a436, ptr %a437)
+  %t439 = icmp ne i32 %t438, 0
+  br i1 %t439, label %then10564, label %endif10566
+then10564:
+  %t440 = getelementptr inbounds %S.lsp.FnRec, ptr %a432, i32 0, i32 1
+  %t441 = load { ptr, i64, i64 }, ptr %t440
+  %t442 = getelementptr inbounds %S.lsp.FnRec, ptr %a432, i32 0, i32 7
+  %t443 = load { ptr, i64, i64 }, ptr %t442
+  %t444 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t441, i64 2, { ptr, i64, i64 } %t443, { ptr, i64, i64 } { ptr @.str.6932, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t444)
+  store %S.json.Json %t444, ptr %a445
+  call void @finch.drop.S_json_Json(ptr %a445)
+  br label %endif10566
+endif10566:
+  br label %each.step10562
+each.step10562:
+  %t446 = load i64, ptr %a424
+  %t447 = add i64 %t446, 1
+  store i64 %t447, ptr %a424
+  br label %each.cond10560
+each.end10563:
+  call void @finch_str_drop(ptr %a377)
+  br label %endif10544
+endif10544:
+  br label %endif10541
+endif10541:
+  br label %endif10538
+endif10538:
+  %t448 = load %S.json.Json, ptr %a7
+  %t449 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t448)
+  call void @finch_str_drop(ptr %a302)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t449
+endif10442:
+  store %S.lsp.Names zeroinitializer, ptr %a450
+  %t451 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 1
+  store i64 0, ptr %a452
+  br label %each.cond10567
+each.cond10567:
+  %t453 = getelementptr inbounds { ptr, i64, i64 }, ptr %t451, i32 0, i32 1
+  %t454 = load i64, ptr %t453
+  %t455 = load i64, ptr %a452
+  %t456 = icmp slt i64 %t455, %t454
+  br i1 %t456, label %each.body10568, label %each.end10570
+each.body10568:
+  %t457 = load ptr, ptr %t451
+  %t458 = getelementptr inbounds %S.lsp.VarRec, ptr %t457, i64 %t455
+  %t459 = load %S.lsp.VarRec, ptr %t458
+  store %S.lsp.VarRec %t459, ptr %a460
+  %t461 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 3
+  %t462 = load i64, ptr %t461
+  %t463 = load i64, ptr %a4
+  %t464 = icmp sle i64 %t462, %t463
+  br label %logic.from10571
+logic.from10571:
+  br i1 %t464, label %logic.rhs10572, label %logic.end10573
+logic.rhs10572:
+  %t465 = load i64, ptr %a4
+  %t466 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 7
+  %t467 = load i64, ptr %t466
+  %t468 = add i64 %t467, 1
+  %t469 = icmp sle i64 %t465, %t468
+  br label %logic.rend10574
+logic.rend10574:
+  br label %logic.end10573
+logic.end10573:
+  %t470 = phi i1 [ false, %logic.from10571 ], [ %t469, %logic.rend10574 ]
+  br label %logic.from10575
+logic.from10575:
+  br i1 %t470, label %logic.rhs10576, label %logic.end10577
+logic.rhs10576:
+  %t471 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 5
+  %t472 = load { ptr, i64, i64 }, ptr %t471
+  %t473 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t472, ptr %a474
+  store { ptr, i64, i64 } %t473, ptr %a475
+  %t476 = call i32 @finch_str_eq(ptr %a474, ptr %a475)
+  %t477 = icmp ne i32 %t476, 0
+  br label %logic.rend10578
+logic.rend10578:
+  br label %logic.end10577
+logic.end10577:
+  %t478 = phi i1 [ false, %logic.from10575 ], [ %t477, %logic.rend10578 ]
+  br label %logic.from10579
+logic.from10579:
+  br i1 %t478, label %logic.rhs10580, label %logic.end10581
+logic.rhs10580:
+  %t479 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 0
+  %t480 = load { ptr, i64, i64 }, ptr %t479
+  %t481 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t480)
+  br label %logic.rend10582
+logic.rend10582:
+  br label %logic.end10581
+logic.end10581:
+  %t482 = phi i1 [ false, %logic.from10579 ], [ %t481, %logic.rend10582 ]
+  br i1 %t482, label %then10583, label %endif10585
+then10583:
+  %t483 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 0
+  %t484 = load { ptr, i64, i64 }, ptr %t483
+  %t485 = getelementptr inbounds %S.lsp.VarRec, ptr %a460, i32 0, i32 1
+  %t486 = load { ptr, i64, i64 }, ptr %t485
+  %t487 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t484, i64 6, { ptr, i64, i64 } %t486, { ptr, i64, i64 } { ptr @.str.6933, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t487)
+  store %S.json.Json %t487, ptr %a488
+  call void @finch.drop.S_json_Json(ptr %a488)
+  br label %endif10585
+endif10585:
+  br label %each.step10569
+each.step10569:
+  %t489 = load i64, ptr %a452
+  %t490 = add i64 %t489, 1
+  store i64 %t490, ptr %a452
+  br label %each.cond10567
+each.end10570:
+  %t491 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a492
+  br label %each.cond10586
+each.cond10586:
+  %t493 = getelementptr inbounds { ptr, i64, i64 }, ptr %t491, i32 0, i32 1
+  %t494 = load i64, ptr %t493
+  %t495 = load i64, ptr %a492
+  %t496 = icmp slt i64 %t495, %t494
+  br i1 %t496, label %each.body10587, label %each.end10589
+each.body10587:
+  %t497 = load ptr, ptr %t491
+  %t498 = getelementptr inbounds %S.lsp.FnRec, ptr %t497, i64 %t495
+  %t499 = load %S.lsp.FnRec, ptr %t498
+  store %S.lsp.FnRec %t499, ptr %a500
+  %t501 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 2
+  %t502 = getelementptr inbounds { ptr, i64, i64 }, ptr %t501, i32 0, i32 1
+  %t503 = load i64, ptr %t502
+  %t504 = icmp eq i64 %t503, 0
+  br label %logic.from10590
+logic.from10590:
+  br i1 %t504, label %logic.rhs10591, label %logic.end10592
+logic.rhs10591:
+  %t505 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 0
+  %t506 = load { ptr, i64, i64 }, ptr %t505
+  store { ptr, i64, i64 } %t506, ptr %a507
+  store { ptr, i64, i64 } { ptr @.str.6934, i64 0, i64 0 }, ptr %a508
+  %t509 = call i32 @finch_str_eq(ptr %a507, ptr %a508)
+  %t510 = icmp ne i32 %t509, 0
+  br label %logic.rend10593
+logic.rend10593:
+  br label %logic.end10592
+logic.end10592:
+  %t511 = phi i1 [ false, %logic.from10590 ], [ %t510, %logic.rend10593 ]
+  br label %logic.from10594
+logic.from10594:
+  br i1 %t511, label %logic.rhs10595, label %logic.end10596
+logic.rhs10595:
+  %t512 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 1
+  %t513 = load { ptr, i64, i64 }, ptr %t512
+  %t514 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t513)
+  br label %logic.rend10597
+logic.rend10597:
+  br label %logic.end10596
+logic.end10596:
+  %t515 = phi i1 [ false, %logic.from10594 ], [ %t514, %logic.rend10597 ]
+  br i1 %t515, label %then10598, label %endif10600
+then10598:
+  %t516 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 1
+  %t517 = load { ptr, i64, i64 }, ptr %t516
+  %t518 = getelementptr inbounds %S.lsp.FnRec, ptr %a500, i32 0, i32 7
   %t519 = load { ptr, i64, i64 }, ptr %t518
-  %t520 = getelementptr inbounds %S.lsp.StructRec, ptr %a507, i32 0, i32 1
-  %t521 = load { ptr, i64, i64 }, ptr %t520
-  store { ptr, i64, i64 } { ptr @.str.6724, i64 7, i64 0 }, ptr %a523
-  store { ptr, i64, i64 } %t521, ptr %a524
-  call void @finch_str_concat(ptr %a522, ptr %a523, ptr %a524)
-  %t525 = load { ptr, i64, i64 }, ptr %a522
-  %t526 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t519, i64 22, { ptr, i64, i64 } %t525, { ptr, i64, i64 } { ptr @.str.6725, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t526)
-  br label %endif10092
-endif10092:
-  br label %each.step10084
-each.step10084:
-  %t527 = load i64, ptr %a499
-  %t528 = add i64 %t527, 1
-  store i64 %t528, ptr %a499
-  br label %each.cond10082
-each.end10085:
-  %t529 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a530
-  br label %each.cond10093
-each.cond10093:
-  %t531 = getelementptr inbounds { ptr, i64, i64 }, ptr %t529, i32 0, i32 1
-  %t532 = load i64, ptr %t531
-  %t533 = load i64, ptr %a530
-  %t534 = icmp slt i64 %t533, %t532
-  br i1 %t534, label %each.body10094, label %each.end10096
-each.body10094:
-  %t535 = load ptr, ptr %t529
-  %t536 = getelementptr inbounds %S.lsp.EnumRec, ptr %t535, i64 %t533
-  %t537 = load %S.lsp.EnumRec, ptr %t536
-  store %S.lsp.EnumRec %t537, ptr %a538
-  %t539 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 0
-  %t540 = load { ptr, i64, i64 }, ptr %t539
-  store { ptr, i64, i64 } %t540, ptr %a541
-  store { ptr, i64, i64 } { ptr @.str.6726, i64 0, i64 0 }, ptr %a542
-  %t543 = call i32 @finch_str_eq(ptr %a541, ptr %a542)
-  %t544 = icmp ne i32 %t543, 0
-  br label %logic.from10097
-logic.from10097:
-  br i1 %t544, label %logic.rhs10098, label %logic.end10099
-logic.rhs10098:
-  %t545 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 1
-  %t546 = load { ptr, i64, i64 }, ptr %t545
-  %t547 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t546)
-  br label %logic.rend10100
-logic.rend10100:
-  br label %logic.end10099
-logic.end10099:
-  %t548 = phi i1 [ false, %logic.from10097 ], [ %t547, %logic.rend10100 ]
-  br i1 %t548, label %then10101, label %endif10103
-then10101:
-  %t549 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 1
-  %t550 = load { ptr, i64, i64 }, ptr %t549
-  %t551 = getelementptr inbounds %S.lsp.EnumRec, ptr %a538, i32 0, i32 1
-  %t552 = load { ptr, i64, i64 }, ptr %t551
-  store { ptr, i64, i64 } { ptr @.str.6727, i64 5, i64 0 }, ptr %a554
-  store { ptr, i64, i64 } %t552, ptr %a555
-  call void @finch_str_concat(ptr %a553, ptr %a554, ptr %a555)
-  %t556 = load { ptr, i64, i64 }, ptr %a553
-  %t557 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t550, i64 13, { ptr, i64, i64 } %t556, { ptr, i64, i64 } { ptr @.str.6728, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t557)
-  br label %endif10103
-endif10103:
-  br label %each.step10095
-each.step10095:
-  %t558 = load i64, ptr %a530
-  %t559 = add i64 %t558, 1
-  store i64 %t559, ptr %a530
-  br label %each.cond10093
-each.end10096:
-  %t560 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
-  store i64 0, ptr %a561
-  br label %each.cond10104
-each.cond10104:
-  %t562 = getelementptr inbounds { ptr, i64, i64 }, ptr %t560, i32 0, i32 1
-  %t563 = load i64, ptr %t562
-  %t564 = load i64, ptr %a561
-  %t565 = icmp slt i64 %t564, %t563
-  br i1 %t565, label %each.body10105, label %each.end10107
-each.body10105:
-  %t566 = load ptr, ptr %t560
-  %t567 = getelementptr inbounds { ptr, i64, i64 }, ptr %t566, i64 %t564
+  %t520 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t517, i64 3, { ptr, i64, i64 } %t519, { ptr, i64, i64 } { ptr @.str.6935, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t520)
+  store %S.json.Json %t520, ptr %a521
+  call void @finch.drop.S_json_Json(ptr %a521)
+  br label %endif10600
+endif10600:
+  br label %each.step10588
+each.step10588:
+  %t522 = load i64, ptr %a492
+  %t523 = add i64 %t522, 1
+  store i64 %t523, ptr %a492
+  br label %each.cond10586
+each.end10589:
+  %t524 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 3
+  store i64 0, ptr %a525
+  br label %each.cond10601
+each.cond10601:
+  %t526 = getelementptr inbounds { ptr, i64, i64 }, ptr %t524, i32 0, i32 1
+  %t527 = load i64, ptr %t526
+  %t528 = load i64, ptr %a525
+  %t529 = icmp slt i64 %t528, %t527
+  br i1 %t529, label %each.body10602, label %each.end10604
+each.body10602:
+  %t530 = load ptr, ptr %t524
+  %t531 = getelementptr inbounds %S.lsp.StructRec, ptr %t530, i64 %t528
+  %t532 = load %S.lsp.StructRec, ptr %t531
+  store %S.lsp.StructRec %t532, ptr %a533
+  %t534 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 0
+  %t535 = load { ptr, i64, i64 }, ptr %t534
+  store { ptr, i64, i64 } %t535, ptr %a536
+  store { ptr, i64, i64 } { ptr @.str.6936, i64 0, i64 0 }, ptr %a537
+  %t538 = call i32 @finch_str_eq(ptr %a536, ptr %a537)
+  %t539 = icmp ne i32 %t538, 0
+  br label %logic.from10605
+logic.from10605:
+  br i1 %t539, label %logic.rhs10606, label %logic.end10607
+logic.rhs10606:
+  %t540 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 1
+  %t541 = load { ptr, i64, i64 }, ptr %t540
+  %t542 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t541)
+  br label %logic.rend10608
+logic.rend10608:
+  br label %logic.end10607
+logic.end10607:
+  %t543 = phi i1 [ false, %logic.from10605 ], [ %t542, %logic.rend10608 ]
+  br i1 %t543, label %then10609, label %endif10611
+then10609:
+  %t544 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 1
+  %t545 = load { ptr, i64, i64 }, ptr %t544
+  %t546 = getelementptr inbounds %S.lsp.StructRec, ptr %a533, i32 0, i32 1
+  %t547 = load { ptr, i64, i64 }, ptr %t546
+  store { ptr, i64, i64 } { ptr @.str.6937, i64 7, i64 0 }, ptr %a549
+  store { ptr, i64, i64 } %t547, ptr %a550
+  call void @finch_str_concat(ptr %a548, ptr %a549, ptr %a550)
+  %t551 = load { ptr, i64, i64 }, ptr %a548
+  %t552 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t545, i64 22, { ptr, i64, i64 } %t551, { ptr, i64, i64 } { ptr @.str.6938, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t551, ptr %a553
+  call void @finch_str_drop(ptr %a553)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t552)
+  store %S.json.Json %t552, ptr %a554
+  call void @finch.drop.S_json_Json(ptr %a554)
+  br label %endif10611
+endif10611:
+  br label %each.step10603
+each.step10603:
+  %t555 = load i64, ptr %a525
+  %t556 = add i64 %t555, 1
+  store i64 %t556, ptr %a525
+  br label %each.cond10601
+each.end10604:
+  %t557 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a558
+  br label %each.cond10612
+each.cond10612:
+  %t559 = getelementptr inbounds { ptr, i64, i64 }, ptr %t557, i32 0, i32 1
+  %t560 = load i64, ptr %t559
+  %t561 = load i64, ptr %a558
+  %t562 = icmp slt i64 %t561, %t560
+  br i1 %t562, label %each.body10613, label %each.end10615
+each.body10613:
+  %t563 = load ptr, ptr %t557
+  %t564 = getelementptr inbounds %S.lsp.EnumRec, ptr %t563, i64 %t561
+  %t565 = load %S.lsp.EnumRec, ptr %t564
+  store %S.lsp.EnumRec %t565, ptr %a566
+  %t567 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 0
   %t568 = load { ptr, i64, i64 }, ptr %t567
   store { ptr, i64, i64 } %t568, ptr %a569
-  %t570 = load { ptr, i64, i64 }, ptr %a569
-  %t571 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t570)
-  br i1 %t571, label %then10108, label %endif10110
-then10108:
-  %t572 = load { ptr, i64, i64 }, ptr %a569
-  %t573 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t572, i64 9, { ptr, i64, i64 } { ptr @.str.6729, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6730, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t573)
-  br label %endif10110
-endif10110:
-  br label %each.step10106
-each.step10106:
-  %t574 = load i64, ptr %a561
-  %t575 = add i64 %t574, 1
-  store i64 %t575, ptr %a561
-  br label %each.cond10104
-each.end10107:
-  %t576 = call { ptr, i64, i64 } @finch.docs.builtins()
-  store { ptr, i64, i64 } %t576, ptr %a577
-  store i64 0, ptr %a578
-  br label %each.cond10111
-each.cond10111:
-  %t579 = getelementptr inbounds { ptr, i64, i64 }, ptr %a577, i32 0, i32 1
-  %t580 = load i64, ptr %t579
-  %t581 = load i64, ptr %a578
-  %t582 = icmp slt i64 %t581, %t580
-  br i1 %t582, label %each.body10112, label %each.end10114
-each.body10112:
-  %t583 = load ptr, ptr %a577
-  %t584 = getelementptr inbounds %S.docs.Doc, ptr %t583, i64 %t581
-  %t585 = load %S.docs.Doc, ptr %t584
-  store %S.docs.Doc %t585, ptr %a586
-  %t587 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 0
-  %t588 = load { ptr, i64, i64 }, ptr %t587
-  %t589 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t588)
-  br i1 %t589, label %then10115, label %endif10117
-then10115:
-  %t590 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 0
-  %t591 = load { ptr, i64, i64 }, ptr %t590
-  %t592 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 1
-  %t593 = load { ptr, i64, i64 }, ptr %t592
-  %t594 = getelementptr inbounds %S.docs.Doc, ptr %a586, i32 0, i32 2
-  %t595 = load { ptr, i64, i64 }, ptr %t594
-  %t596 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t591, i64 3, { ptr, i64, i64 } %t593, { ptr, i64, i64 } %t595)
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t596)
-  br label %endif10117
-endif10117:
-  br label %each.step10113
-each.step10113:
-  %t597 = load i64, ptr %a578
-  %t598 = add i64 %t597, 1
-  store i64 %t598, ptr %a578
-  br label %each.cond10111
-each.end10114:
-  %t599 = call { ptr, i64, i64 } @finch.docs.keywords()
-  store { ptr, i64, i64 } %t599, ptr %a600
-  store i64 0, ptr %a601
-  br label %each.cond10118
-each.cond10118:
-  %t602 = getelementptr inbounds { ptr, i64, i64 }, ptr %a600, i32 0, i32 1
-  %t603 = load i64, ptr %t602
-  %t604 = load i64, ptr %a601
-  %t605 = icmp slt i64 %t604, %t603
-  br i1 %t605, label %each.body10119, label %each.end10121
-each.body10119:
-  %t606 = load ptr, ptr %a600
-  %t607 = getelementptr inbounds { ptr, i64, i64 }, ptr %t606, i64 %t604
-  %t608 = load { ptr, i64, i64 }, ptr %t607
-  store { ptr, i64, i64 } %t608, ptr %a609
-  %t610 = load { ptr, i64, i64 }, ptr %a609
-  %t611 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t610)
-  br i1 %t611, label %then10122, label %endif10124
-then10122:
-  %t612 = load { ptr, i64, i64 }, ptr %a609
-  %t613 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t612, i64 14, { ptr, i64, i64 } { ptr @.str.6731, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6732, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t613)
-  br label %endif10124
-endif10124:
-  br label %each.step10120
-each.step10120:
-  %t614 = load i64, ptr %a601
-  %t615 = add i64 %t614, 1
-  store i64 %t615, ptr %a601
-  br label %each.cond10118
-each.end10121:
-  %t616 = call { ptr, i64, i64 } @finch.docs.typeNames()
-  store { ptr, i64, i64 } %t616, ptr %a617
-  store i64 0, ptr %a618
-  br label %each.cond10125
-each.cond10125:
-  %t619 = getelementptr inbounds { ptr, i64, i64 }, ptr %a617, i32 0, i32 1
-  %t620 = load i64, ptr %t619
-  %t621 = load i64, ptr %a618
-  %t622 = icmp slt i64 %t621, %t620
-  br i1 %t622, label %each.body10126, label %each.end10128
-each.body10126:
-  %t623 = load ptr, ptr %a617
-  %t624 = getelementptr inbounds { ptr, i64, i64 }, ptr %t623, i64 %t621
-  %t625 = load { ptr, i64, i64 }, ptr %t624
-  store { ptr, i64, i64 } %t625, ptr %a626
-  %t627 = load { ptr, i64, i64 }, ptr %a626
-  %t628 = call i1 @finch.lsp.Names.add(ptr %a426, { ptr, i64, i64 } %t627)
-  br i1 %t628, label %then10129, label %endif10131
-then10129:
-  %t629 = load { ptr, i64, i64 }, ptr %a626
-  %t630 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t629, i64 25, { ptr, i64, i64 } { ptr @.str.6733, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6734, i64 0, i64 0 })
-  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t630)
-  br label %endif10131
-endif10131:
-  br label %each.step10127
-each.step10127:
-  %t631 = load i64, ptr %a618
-  %t632 = add i64 %t631, 1
-  store i64 %t632, ptr %a618
-  br label %each.cond10125
-each.end10128:
-  %t633 = load %S.json.Json, ptr %a7
-  %t634 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t633)
-  ret %S.json.Json %t634
+  store { ptr, i64, i64 } { ptr @.str.6939, i64 0, i64 0 }, ptr %a570
+  %t571 = call i32 @finch_str_eq(ptr %a569, ptr %a570)
+  %t572 = icmp ne i32 %t571, 0
+  br label %logic.from10616
+logic.from10616:
+  br i1 %t572, label %logic.rhs10617, label %logic.end10618
+logic.rhs10617:
+  %t573 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 1
+  %t574 = load { ptr, i64, i64 }, ptr %t573
+  %t575 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t574)
+  br label %logic.rend10619
+logic.rend10619:
+  br label %logic.end10618
+logic.end10618:
+  %t576 = phi i1 [ false, %logic.from10616 ], [ %t575, %logic.rend10619 ]
+  br i1 %t576, label %then10620, label %endif10622
+then10620:
+  %t577 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 1
+  %t578 = load { ptr, i64, i64 }, ptr %t577
+  %t579 = getelementptr inbounds %S.lsp.EnumRec, ptr %a566, i32 0, i32 1
+  %t580 = load { ptr, i64, i64 }, ptr %t579
+  store { ptr, i64, i64 } { ptr @.str.6940, i64 5, i64 0 }, ptr %a582
+  store { ptr, i64, i64 } %t580, ptr %a583
+  call void @finch_str_concat(ptr %a581, ptr %a582, ptr %a583)
+  %t584 = load { ptr, i64, i64 }, ptr %a581
+  %t585 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t578, i64 13, { ptr, i64, i64 } %t584, { ptr, i64, i64 } { ptr @.str.6941, i64 0, i64 0 })
+  store { ptr, i64, i64 } %t584, ptr %a586
+  call void @finch_str_drop(ptr %a586)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t585)
+  store %S.json.Json %t585, ptr %a587
+  call void @finch.drop.S_json_Json(ptr %a587)
+  br label %endif10622
+endif10622:
+  br label %each.step10614
+each.step10614:
+  %t588 = load i64, ptr %a558
+  %t589 = add i64 %t588, 1
+  store i64 %t589, ptr %a558
+  br label %each.cond10612
+each.end10615:
+  %t590 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 5
+  store i64 0, ptr %a591
+  br label %each.cond10623
+each.cond10623:
+  %t592 = getelementptr inbounds { ptr, i64, i64 }, ptr %t590, i32 0, i32 1
+  %t593 = load i64, ptr %t592
+  %t594 = load i64, ptr %a591
+  %t595 = icmp slt i64 %t594, %t593
+  br i1 %t595, label %each.body10624, label %each.end10626
+each.body10624:
+  %t596 = load ptr, ptr %t590
+  %t597 = getelementptr inbounds { ptr, i64, i64 }, ptr %t596, i64 %t594
+  %t598 = load { ptr, i64, i64 }, ptr %t597
+  store { ptr, i64, i64 } %t598, ptr %a599
+  %t600 = load { ptr, i64, i64 }, ptr %a599
+  %t601 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t600)
+  br i1 %t601, label %then10627, label %endif10629
+then10627:
+  %t602 = load { ptr, i64, i64 }, ptr %a599
+  %t603 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t602, i64 9, { ptr, i64, i64 } { ptr @.str.6942, i64 6, i64 0 }, { ptr, i64, i64 } { ptr @.str.6943, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t603)
+  store %S.json.Json %t603, ptr %a604
+  call void @finch.drop.S_json_Json(ptr %a604)
+  br label %endif10629
+endif10629:
+  br label %each.step10625
+each.step10625:
+  %t605 = load i64, ptr %a591
+  %t606 = add i64 %t605, 1
+  store i64 %t606, ptr %a591
+  br label %each.cond10623
+each.end10626:
+  %t607 = call { ptr, i64, i64 } @finch.docs.builtins()
+  store { ptr, i64, i64 } %t607, ptr %a608
+  store i64 0, ptr %a609
+  br label %each.cond10630
+each.cond10630:
+  %t610 = getelementptr inbounds { ptr, i64, i64 }, ptr %a608, i32 0, i32 1
+  %t611 = load i64, ptr %t610
+  %t612 = load i64, ptr %a609
+  %t613 = icmp slt i64 %t612, %t611
+  br i1 %t613, label %each.body10631, label %each.end10633
+each.body10631:
+  %t614 = load ptr, ptr %a608
+  %t615 = getelementptr inbounds %S.docs.Doc, ptr %t614, i64 %t612
+  %t616 = load %S.docs.Doc, ptr %t615
+  store %S.docs.Doc %t616, ptr %a617
+  %t618 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 0
+  %t619 = load { ptr, i64, i64 }, ptr %t618
+  %t620 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t619)
+  br i1 %t620, label %then10634, label %endif10636
+then10634:
+  %t621 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 0
+  %t622 = load { ptr, i64, i64 }, ptr %t621
+  %t623 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 1
+  %t624 = load { ptr, i64, i64 }, ptr %t623
+  %t625 = getelementptr inbounds %S.docs.Doc, ptr %a617, i32 0, i32 2
+  %t626 = load { ptr, i64, i64 }, ptr %t625
+  %t627 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t622, i64 3, { ptr, i64, i64 } %t624, { ptr, i64, i64 } %t626)
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t627)
+  store %S.json.Json %t627, ptr %a628
+  call void @finch.drop.S_json_Json(ptr %a628)
+  br label %endif10636
+endif10636:
+  br label %each.step10632
+each.step10632:
+  %t629 = load i64, ptr %a609
+  %t630 = add i64 %t629, 1
+  store i64 %t630, ptr %a609
+  br label %each.cond10630
+each.end10633:
+  call void @finch.drop.arr_S_docs_Doc(ptr %a608)
+  %t631 = call { ptr, i64, i64 } @finch.docs.keywords()
+  store { ptr, i64, i64 } %t631, ptr %a632
+  store i64 0, ptr %a633
+  br label %each.cond10637
+each.cond10637:
+  %t634 = getelementptr inbounds { ptr, i64, i64 }, ptr %a632, i32 0, i32 1
+  %t635 = load i64, ptr %t634
+  %t636 = load i64, ptr %a633
+  %t637 = icmp slt i64 %t636, %t635
+  br i1 %t637, label %each.body10638, label %each.end10640
+each.body10638:
+  %t638 = load ptr, ptr %a632
+  %t639 = getelementptr inbounds { ptr, i64, i64 }, ptr %t638, i64 %t636
+  %t640 = load { ptr, i64, i64 }, ptr %t639
+  store { ptr, i64, i64 } %t640, ptr %a641
+  %t642 = load { ptr, i64, i64 }, ptr %a641
+  %t643 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t642)
+  br i1 %t643, label %then10641, label %endif10643
+then10641:
+  %t644 = load { ptr, i64, i64 }, ptr %a641
+  %t645 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t644, i64 14, { ptr, i64, i64 } { ptr @.str.6944, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6945, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t645)
+  store %S.json.Json %t645, ptr %a646
+  call void @finch.drop.S_json_Json(ptr %a646)
+  br label %endif10643
+endif10643:
+  br label %each.step10639
+each.step10639:
+  %t647 = load i64, ptr %a633
+  %t648 = add i64 %t647, 1
+  store i64 %t648, ptr %a633
+  br label %each.cond10637
+each.end10640:
+  call void @finch.drop.arr_str(ptr %a632)
+  %t649 = call { ptr, i64, i64 } @finch.docs.typeNames()
+  store { ptr, i64, i64 } %t649, ptr %a650
+  store i64 0, ptr %a651
+  br label %each.cond10644
+each.cond10644:
+  %t652 = getelementptr inbounds { ptr, i64, i64 }, ptr %a650, i32 0, i32 1
+  %t653 = load i64, ptr %t652
+  %t654 = load i64, ptr %a651
+  %t655 = icmp slt i64 %t654, %t653
+  br i1 %t655, label %each.body10645, label %each.end10647
+each.body10645:
+  %t656 = load ptr, ptr %a650
+  %t657 = getelementptr inbounds { ptr, i64, i64 }, ptr %t656, i64 %t654
+  %t658 = load { ptr, i64, i64 }, ptr %t657
+  store { ptr, i64, i64 } %t658, ptr %a659
+  %t660 = load { ptr, i64, i64 }, ptr %a659
+  %t661 = call i1 @finch.lsp.Names.add(ptr %a450, { ptr, i64, i64 } %t660)
+  br i1 %t661, label %then10648, label %endif10650
+then10648:
+  %t662 = load { ptr, i64, i64 }, ptr %a659
+  %t663 = call %S.json.Json @finch.lsp.item({ ptr, i64, i64 } %t662, i64 25, { ptr, i64, i64 } { ptr @.str.6946, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6947, i64 0, i64 0 })
+  call void @finch.json.Json.push(ptr %a7, %S.json.Json %t663)
+  store %S.json.Json %t663, ptr %a664
+  call void @finch.drop.S_json_Json(ptr %a664)
+  br label %endif10650
+endif10650:
+  br label %each.step10646
+each.step10646:
+  %t665 = load i64, ptr %a651
+  %t666 = add i64 %t665, 1
+  store i64 %t666, ptr %a651
+  br label %each.cond10644
+each.end10647:
+  call void @finch.drop.arr_str(ptr %a650)
+  %t667 = load %S.json.Json, ptr %a7
+  %t668 = call %S.json.Json @finch.lsp.completionList(%S.json.Json %t667)
+  call void @finch.drop.S_lsp_Names(ptr %a450)
+  call void @finch_str_drop(ptr %a26)
+  call void @finch_str_drop(ptr %a11)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  ret %S.json.Json %t668
 }
 
 define internal i1 @finch.lsp.Names.add(ptr %self, { ptr, i64, i64 } %p0) {
@@ -90138,33 +107744,33 @@ entry:
   %t6 = load i64, ptr %t3
   %t7 = load ptr, ptr %t2
   store i64 0, ptr %a8
-  br label %find.cond10132
-find.cond10132:
+  br label %find.cond10651
+find.cond10651:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t6
-  br i1 %t10, label %find.body10133, label %find.end10136
-find.body10133:
+  br i1 %t10, label %find.body10652, label %find.end10655
+find.body10652:
   %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t7, i64 %t9
   %t12 = load { ptr, i64, i64 }, ptr %t11
   store { ptr, i64, i64 } %t12, ptr %a13
   store { ptr, i64, i64 } %t4, ptr %a14
   %t15 = call i32 @finch_str_eq(ptr %a13, ptr %a14)
   %t16 = icmp ne i32 %t15, 0
-  br i1 %t16, label %find.hit10134, label %find.next10135
-find.hit10134:
+  br i1 %t16, label %find.hit10653, label %find.next10654
+find.hit10653:
   store i64 %t9, ptr %a5
-  br label %find.end10136
-find.next10135:
+  br label %find.end10655
+find.next10654:
   %t17 = add i64 %t9, 1
   store i64 %t17, ptr %a8
-  br label %find.cond10132
-find.end10136:
+  br label %find.cond10651
+find.end10655:
   %t18 = load i64, ptr %a5
   %t19 = icmp sge i64 %t18, 0
-  br i1 %t19, label %then10137, label %endif10139
-then10137:
+  br i1 %t19, label %then10656, label %endif10658
+then10656:
   ret i1 false
-endif10139:
+endif10658:
   %t20 = getelementptr inbounds %S.lsp.Names, ptr %self, i32 0, i32 0
   %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i32 0, i32 1
   %t22 = load { ptr, i64, i64 }, ptr %a1
@@ -90185,20 +107791,18 @@ define internal %S.json.Json @finch.lsp.completionList(%S.json.Json %p0) {
 entry:
   %a1 = alloca %S.json.Json, align 16
   %a3 = alloca %S.json.Json, align 16
-  %a7 = alloca %S.json.Json, align 16
-  %a8 = alloca %S.json.Json, align 16
+  %a5 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
   %t2 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t2, ptr %a3
   %t4 = call %S.json.Json @finch.json.new_bool(i1 false)
-  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6735, i64 12, i64 0 }, %S.json.Json %t4)
-  %t5 = load %S.json.Json, ptr %a1
-  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6736, i64 5, i64 0 }, %S.json.Json %t5)
-  %t6 = load %S.json.Json, ptr %a3
-  store %S.json.Json %t6, ptr %a7
-  call void @finch.copy.S_json_Json(ptr %a8, ptr %a7)
-  %t9 = load %S.json.Json, ptr %a8
-  ret %S.json.Json %t9
+  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6948, i64 12, i64 0 }, %S.json.Json %t4)
+  store %S.json.Json %t4, ptr %a5
+  call void @finch.drop.S_json_Json(ptr %a5)
+  %t6 = load %S.json.Json, ptr %a1
+  call void @finch.json.Json.set(ptr %a3, { ptr, i64, i64 } { ptr @.str.6949, i64 5, i64 0 }, %S.json.Json %t6)
+  %t7 = load %S.json.Json, ptr %a3
+  ret %S.json.Json %t7
 }
 
 define internal %S.json.Json @finch.lsp.signatureAt(%S.lsp.Analysis %p0, { ptr, i64, i64 } %p1, { ptr, i64, i64 } %p2, i64 %p3, i64 %p4) {
@@ -90230,34 +107834,46 @@ entry:
   %a139 = alloca { ptr, i64, i64 }, align 16
   %a146 = alloca { ptr, i64, i64 }, align 16
   %a147 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
+  %a149 = alloca %S.lsp.VarRec, align 16
+  %a150 = alloca { ptr, i64, i64 }, align 16
   %a152 = alloca { ptr, i64, i64 }, align 16
   %a153 = alloca { ptr, i64, i64 }, align 16
-  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a154 = alloca { ptr, i64, i64 }, align 16
   %a158 = alloca { ptr, i64, i64 }, align 16
   %a159 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
   %a165 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
+  %a166 = alloca { ptr, i64, i64 }, align 16
   %a172 = alloca { ptr, i64, i64 }, align 16
-  %a175 = alloca i64, align 16
-  %a183 = alloca %S.lsp.FnRec, align 16
-  %a187 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca { ptr, i64, i64 }, align 16
-  %a194 = alloca { ptr, i64, i64 }, align 16
-  %a195 = alloca { ptr, i64, i64 }, align 16
-  %a200 = alloca %S.json.Json, align 16
+  %a174 = alloca { ptr, i64, i64 }, align 16
+  %a175 = alloca { ptr, i64, i64 }, align 16
+  %a178 = alloca { ptr, i64, i64 }, align 16
+  %a180 = alloca i64, align 16
+  %a188 = alloca %S.lsp.FnRec, align 16
+  %a192 = alloca { ptr, i64, i64 }, align 16
+  %a193 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
+  %a200 = alloca { ptr, i64, i64 }, align 16
   %a205 = alloca %S.json.Json, align 16
-  %a207 = alloca i64, align 16
-  %a215 = alloca { ptr, i64, i64 }, align 16
-  %a220 = alloca %S.json.Json, align 16
-  %a228 = alloca %S.json.Json, align 16
-  %a231 = alloca %S.json.Json, align 16
-  %a242 = alloca %S.docs.Doc, align 16
-  %a248 = alloca %S.json.Json, align 16
-  %a256 = alloca %S.json.Json, align 16
-  %a259 = alloca %S.json.Json, align 16
+  %a209 = alloca %S.json.Json, align 16
+  %a211 = alloca %S.json.Json, align 16
+  %a213 = alloca i64, align 16
+  %a221 = alloca { ptr, i64, i64 }, align 16
+  %a226 = alloca %S.json.Json, align 16
+  %a229 = alloca %S.json.Json, align 16
+  %a235 = alloca %S.json.Json, align 16
+  %a238 = alloca %S.json.Json, align 16
+  %a241 = alloca %S.json.Json, align 16
+  %a244 = alloca %S.json.Json, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca %S.docs.Doc, align 16
+  %a258 = alloca %S.json.Json, align 16
+  %a262 = alloca %S.json.Json, align 16
+  %a266 = alloca %S.json.Json, align 16
+  %a268 = alloca %S.json.Json, align 16
+  %a271 = alloca %S.json.Json, align 16
+  %a274 = alloca %S.json.Json, align 16
+  %a277 = alloca %S.json.Json, align 16
   store %S.lsp.Analysis %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
@@ -90274,17 +107890,17 @@ entry:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t15 = load i64, ptr %t14
   %t16 = icmp sgt i64 %t13, %t15
-  br i1 %t16, label %then10140, label %endif10142
-then10140:
+  br i1 %t16, label %then10659, label %endif10661
+then10659:
   %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a9, i32 0, i32 1
   %t18 = load i64, ptr %t17
   store i64 %t18, ptr %a12
-  br label %endif10142
-endif10142:
+  br label %endif10661
+endif10661:
   %t19 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t19, ptr %a20
   %t22 = load i64, ptr %a12
-  call void @finch_str_sub(ptr %a21, ptr %a20, i64 0, i64 %t22, ptr @.str.6737, i64 671)
+  call void @finch_str_sub(ptr %a21, ptr %a20, i64 0, i64 %t22, ptr @.str.6950, i64 671)
   %t23 = load { ptr, i64, i64 }, ptr %a21
   store { ptr, i64, i64 } %t23, ptr %a24
   store i64 0, ptr %a25
@@ -90294,241 +107910,246 @@ endif10142:
   %t29 = load i64, ptr %t28
   %t30 = sub i64 %t29, 1
   store i64 %t30, ptr %a31
-  br label %while.cond10143
-while.cond10143:
+  br label %while.cond10662
+while.cond10662:
   %t32 = load i64, ptr %a31
   %t33 = icmp sge i64 %t32, 0
-  br i1 %t33, label %while.body10144, label %while.end10145
-while.body10144:
+  br i1 %t33, label %while.body10663, label %while.end10664
+while.body10663:
   %t34 = load i64, ptr %a31
   %t35 = load { ptr, i64, i64 }, ptr %a24
   %t36 = extractvalue { ptr, i64, i64 } %t35, 1
   %t37 = icmp uge i64 %t34, %t36
-  br i1 %t37, label %range10146, label %inrange10147
-range10146:
-  call void @finch_panic_index(ptr @.str.6738, i64 678, i64 %t34, i64 %t36)
+  br i1 %t37, label %range10665, label %inrange10666
+range10665:
+  call void @finch_panic_index(ptr @.str.6951, i64 678, i64 %t34, i64 %t36)
   unreachable
-inrange10147:
+inrange10666:
   %t38 = extractvalue { ptr, i64, i64 } %t35, 0
   %t39 = getelementptr inbounds i8, ptr %t38, i64 %t34
   %t40 = load i8, ptr %t39
   store i8 %t40, ptr %a41
   %t42 = load i8, ptr %a41
   %t43 = icmp eq i8 %t42, 41
-  br label %logic.from10148
-logic.from10148:
-  br i1 %t43, label %logic.end10150, label %logic.rhs10149
-logic.rhs10149:
+  br label %logic.from10667
+logic.from10667:
+  br i1 %t43, label %logic.end10669, label %logic.rhs10668
+logic.rhs10668:
   %t44 = load i8, ptr %a41
   %t45 = icmp eq i8 %t44, 93
-  br label %logic.rend10151
-logic.rend10151:
-  br label %logic.end10150
-logic.end10150:
-  %t46 = phi i1 [ true, %logic.from10148 ], [ %t45, %logic.rend10151 ]
-  br i1 %t46, label %then10152, label %else10153
-then10152:
+  br label %logic.rend10670
+logic.rend10670:
+  br label %logic.end10669
+logic.end10669:
+  %t46 = phi i1 [ true, %logic.from10667 ], [ %t45, %logic.rend10670 ]
+  br i1 %t46, label %then10671, label %else10672
+then10671:
   %t47 = load i64, ptr %a25
   %t48 = add i64 %t47, 1
   store i64 %t48, ptr %a25
-  br label %endif10154
-else10153:
+  br label %endif10673
+else10672:
   %t49 = load i8, ptr %a41
   %t50 = icmp eq i8 %t49, 40
-  br label %logic.from10155
-logic.from10155:
-  br i1 %t50, label %logic.end10157, label %logic.rhs10156
-logic.rhs10156:
+  br label %logic.from10674
+logic.from10674:
+  br i1 %t50, label %logic.end10676, label %logic.rhs10675
+logic.rhs10675:
   %t51 = load i8, ptr %a41
   %t52 = icmp eq i8 %t51, 91
-  br label %logic.rend10158
-logic.rend10158:
-  br label %logic.end10157
-logic.end10157:
-  %t53 = phi i1 [ true, %logic.from10155 ], [ %t52, %logic.rend10158 ]
-  br i1 %t53, label %then10159, label %else10160
-then10159:
+  br label %logic.rend10677
+logic.rend10677:
+  br label %logic.end10676
+logic.end10676:
+  %t53 = phi i1 [ true, %logic.from10674 ], [ %t52, %logic.rend10677 ]
+  br i1 %t53, label %then10678, label %else10679
+then10678:
   %t54 = load i64, ptr %a25
   %t55 = icmp eq i64 %t54, 0
-  br i1 %t55, label %then10162, label %else10163
-then10162:
+  br i1 %t55, label %then10681, label %else10682
+then10681:
   %t56 = load i8, ptr %a41
   %t57 = icmp eq i8 %t56, 40
-  br i1 %t57, label %then10165, label %endif10167
-then10165:
+  br i1 %t57, label %then10684, label %endif10686
+then10684:
   %t58 = load i64, ptr %a31
   store i64 %t58, ptr %a27
-  br label %while.end10145
-endif10167:
-  br label %endif10164
-else10163:
+  br label %while.end10664
+endif10686:
+  br label %endif10683
+else10682:
   %t59 = load i64, ptr %a25
   %t60 = sub i64 %t59, 1
   store i64 %t60, ptr %a25
-  br label %endif10164
-endif10164:
-  br label %endif10161
-else10160:
+  br label %endif10683
+endif10683:
+  br label %endif10680
+else10679:
   %t61 = load i8, ptr %a41
   %t62 = icmp eq i8 %t61, 44
-  br label %logic.from10168
-logic.from10168:
-  br i1 %t62, label %logic.rhs10169, label %logic.end10170
-logic.rhs10169:
+  br label %logic.from10687
+logic.from10687:
+  br i1 %t62, label %logic.rhs10688, label %logic.end10689
+logic.rhs10688:
   %t63 = load i64, ptr %a25
   %t64 = icmp eq i64 %t63, 0
-  br label %logic.rend10171
-logic.rend10171:
-  br label %logic.end10170
-logic.end10170:
-  %t65 = phi i1 [ false, %logic.from10168 ], [ %t64, %logic.rend10171 ]
-  br i1 %t65, label %then10172, label %endif10174
-then10172:
+  br label %logic.rend10690
+logic.rend10690:
+  br label %logic.end10689
+logic.end10689:
+  %t65 = phi i1 [ false, %logic.from10687 ], [ %t64, %logic.rend10690 ]
+  br i1 %t65, label %then10691, label %endif10693
+then10691:
   %t66 = load i64, ptr %a26
   %t67 = add i64 %t66, 1
   store i64 %t67, ptr %a26
-  br label %endif10174
-endif10174:
-  br label %endif10161
-endif10161:
-  br label %endif10154
-endif10154:
+  br label %endif10693
+endif10693:
+  br label %endif10680
+endif10680:
+  br label %endif10673
+endif10673:
   %t68 = load i64, ptr %a31
   %t69 = sub i64 %t68, 1
   store i64 %t69, ptr %a31
-  br label %while.cond10143
-while.end10145:
+  br label %while.cond10662
+while.end10664:
   %t70 = load i64, ptr %a27
   %t71 = icmp slt i64 %t70, 0
-  br i1 %t71, label %then10175, label %endif10177
-then10175:
+  br i1 %t71, label %then10694, label %endif10696
+then10694:
   %t72 = call %S.json.Json @finch.json.new_null()
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
   ret %S.json.Json %t72
-endif10177:
+endif10696:
   %t73 = load i64, ptr %a27
   store i64 %t73, ptr %a74
   %t75 = load i64, ptr %a74
   store i64 %t75, ptr %a76
-  br label %while.cond10178
-while.cond10178:
+  br label %while.cond10697
+while.cond10697:
   %t77 = load i64, ptr %a76
   %t78 = icmp sgt i64 %t77, 0
-  br label %logic.from10181
-logic.from10181:
-  br i1 %t78, label %logic.rhs10182, label %logic.end10183
-logic.rhs10182:
+  br label %logic.from10700
+logic.from10700:
+  br i1 %t78, label %logic.rhs10701, label %logic.end10702
+logic.rhs10701:
   %t79 = load i64, ptr %a76
   %t80 = sub i64 %t79, 1
   %t81 = load { ptr, i64, i64 }, ptr %a24
   %t82 = extractvalue { ptr, i64, i64 } %t81, 1
   %t83 = icmp uge i64 %t80, %t82
-  br i1 %t83, label %range10184, label %inrange10185
-range10184:
-  call void @finch_panic_index(ptr @.str.6739, i64 700, i64 %t80, i64 %t82)
+  br i1 %t83, label %range10703, label %inrange10704
+range10703:
+  call void @finch_panic_index(ptr @.str.6952, i64 700, i64 %t80, i64 %t82)
   unreachable
-inrange10185:
+inrange10704:
   %t84 = extractvalue { ptr, i64, i64 } %t81, 0
   %t85 = getelementptr inbounds i8, ptr %t84, i64 %t80
   %t86 = load i8, ptr %t85
   %t87 = call i1 @finch.lsp.isWordChar(i8 %t86)
-  br label %logic.rend10186
-logic.rend10186:
-  br label %logic.end10183
-logic.end10183:
-  %t88 = phi i1 [ false, %logic.from10181 ], [ %t87, %logic.rend10186 ]
-  br i1 %t88, label %while.body10179, label %while.end10180
-while.body10179:
+  br label %logic.rend10705
+logic.rend10705:
+  br label %logic.end10702
+logic.end10702:
+  %t88 = phi i1 [ false, %logic.from10700 ], [ %t87, %logic.rend10705 ]
+  br i1 %t88, label %while.body10698, label %while.end10699
+while.body10698:
   %t89 = load i64, ptr %a76
   %t90 = sub i64 %t89, 1
   store i64 %t90, ptr %a76
-  br label %while.cond10178
-while.end10180:
+  br label %while.cond10697
+while.end10699:
   %t91 = load { ptr, i64, i64 }, ptr %a24
   store { ptr, i64, i64 } %t91, ptr %a92
   %t94 = load i64, ptr %a76
   %t95 = load i64, ptr %a74
-  call void @finch_str_sub(ptr %a93, ptr %a92, i64 %t94, i64 %t95, ptr @.str.6740, i64 703)
+  call void @finch_str_sub(ptr %a93, ptr %a92, i64 %t94, i64 %t95, ptr @.str.6953, i64 703)
   %t96 = load { ptr, i64, i64 }, ptr %a93
   store { ptr, i64, i64 } %t96, ptr %a97
   %t98 = getelementptr inbounds { ptr, i64, i64 }, ptr %a97, i32 0, i32 1
   %t99 = load i64, ptr %t98
   %t100 = icmp eq i64 %t99, 0
-  br i1 %t100, label %then10187, label %endif10189
-then10187:
+  br i1 %t100, label %then10706, label %endif10708
+then10706:
   %t101 = call %S.json.Json @finch.json.new_null()
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
   ret %S.json.Json %t101
-endif10189:
-  store { ptr, i64, i64 } { ptr @.str.6741, i64 0, i64 0 }, ptr %a102
+endif10708:
+  store { ptr, i64, i64 } { ptr @.str.6954, i64 0, i64 0 }, ptr %a102
   %t103 = load i64, ptr %a76
   %t104 = icmp sgt i64 %t103, 0
-  br label %logic.from10190
-logic.from10190:
-  br i1 %t104, label %logic.rhs10191, label %logic.end10192
-logic.rhs10191:
+  br label %logic.from10709
+logic.from10709:
+  br i1 %t104, label %logic.rhs10710, label %logic.end10711
+logic.rhs10710:
   %t105 = load i64, ptr %a76
   %t106 = sub i64 %t105, 1
   %t107 = load { ptr, i64, i64 }, ptr %a24
   %t108 = extractvalue { ptr, i64, i64 } %t107, 1
   %t109 = icmp uge i64 %t106, %t108
-  br i1 %t109, label %range10193, label %inrange10194
-range10193:
-  call void @finch_panic_index(ptr @.str.6742, i64 708, i64 %t106, i64 %t108)
+  br i1 %t109, label %range10712, label %inrange10713
+range10712:
+  call void @finch_panic_index(ptr @.str.6955, i64 708, i64 %t106, i64 %t108)
   unreachable
-inrange10194:
+inrange10713:
   %t110 = extractvalue { ptr, i64, i64 } %t107, 0
   %t111 = getelementptr inbounds i8, ptr %t110, i64 %t106
   %t112 = load i8, ptr %t111
   %t113 = icmp eq i8 %t112, 46
-  br label %logic.rend10195
-logic.rend10195:
-  br label %logic.end10192
-logic.end10192:
-  %t114 = phi i1 [ false, %logic.from10190 ], [ %t113, %logic.rend10195 ]
-  br i1 %t114, label %then10196, label %endif10198
-then10196:
+  br label %logic.rend10714
+logic.rend10714:
+  br label %logic.end10711
+logic.end10711:
+  %t114 = phi i1 [ false, %logic.from10709 ], [ %t113, %logic.rend10714 ]
+  br i1 %t114, label %then10715, label %endif10717
+then10715:
   %t115 = load i64, ptr %a76
   %t116 = sub i64 %t115, 1
   store i64 %t116, ptr %a117
-  br label %while.cond10199
-while.cond10199:
+  br label %while.cond10718
+while.cond10718:
   %t118 = load i64, ptr %a117
   %t119 = icmp sgt i64 %t118, 0
-  br label %logic.from10202
-logic.from10202:
-  br i1 %t119, label %logic.rhs10203, label %logic.end10204
-logic.rhs10203:
+  br label %logic.from10721
+logic.from10721:
+  br i1 %t119, label %logic.rhs10722, label %logic.end10723
+logic.rhs10722:
   %t120 = load i64, ptr %a117
   %t121 = sub i64 %t120, 1
   %t122 = load { ptr, i64, i64 }, ptr %a24
   %t123 = extractvalue { ptr, i64, i64 } %t122, 1
   %t124 = icmp uge i64 %t121, %t123
-  br i1 %t124, label %range10205, label %inrange10206
-range10205:
-  call void @finch_panic_index(ptr @.str.6743, i64 711, i64 %t121, i64 %t123)
+  br i1 %t124, label %range10724, label %inrange10725
+range10724:
+  call void @finch_panic_index(ptr @.str.6956, i64 711, i64 %t121, i64 %t123)
   unreachable
-inrange10206:
+inrange10725:
   %t125 = extractvalue { ptr, i64, i64 } %t122, 0
   %t126 = getelementptr inbounds i8, ptr %t125, i64 %t121
   %t127 = load i8, ptr %t126
   %t128 = call i1 @finch.lsp.isWordChar(i8 %t127)
-  br label %logic.rend10207
-logic.rend10207:
-  br label %logic.end10204
-logic.end10204:
-  %t129 = phi i1 [ false, %logic.from10202 ], [ %t128, %logic.rend10207 ]
-  br i1 %t129, label %while.body10200, label %while.end10201
-while.body10200:
+  br label %logic.rend10726
+logic.rend10726:
+  br label %logic.end10723
+logic.end10723:
+  %t129 = phi i1 [ false, %logic.from10721 ], [ %t128, %logic.rend10726 ]
+  br i1 %t129, label %while.body10719, label %while.end10720
+while.body10719:
   %t130 = load i64, ptr %a117
   %t131 = sub i64 %t130, 1
   store i64 %t131, ptr %a117
-  br label %while.cond10199
-while.end10201:
+  br label %while.cond10718
+while.end10720:
   %t132 = load { ptr, i64, i64 }, ptr %a24
   store { ptr, i64, i64 } %t132, ptr %a133
   %t135 = load i64, ptr %a117
   %t136 = load i64, ptr %a76
   %t137 = sub i64 %t136, 1
-  call void @finch_str_sub(ptr %a134, ptr %a133, i64 %t135, i64 %t137, ptr @.str.6744, i64 714)
+  call void @finch_str_sub(ptr %a134, ptr %a133, i64 %t135, i64 %t137, ptr @.str.6957, i64 714)
   %t138 = load { ptr, i64, i64 }, ptr %a134
   store { ptr, i64, i64 } %t138, ptr %a139
   %t140 = load %S.lsp.Analysis, ptr %a1
@@ -90540,190 +108161,238 @@ while.end10201:
   store { ptr, i64, i64 } %t145, ptr %a146
   call void @finch_str_copy(ptr %a147, ptr %a146)
   %t148 = load { ptr, i64, i64 }, ptr %a147
-  store { ptr, i64, i64 } %t148, ptr %a149
-  %t150 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t150, ptr %a151
-  store { ptr, i64, i64 } { ptr @.str.6746, i64 4, i64 0 }, ptr %a153
-  %t154 = call i32 @finch_str_starts(ptr %a151, ptr %a153)
-  %t155 = icmp ne i32 %t154, 0
-  br label %logic.from10208
-logic.from10208:
-  br i1 %t155, label %logic.rhs10209, label %logic.end10210
-logic.rhs10209:
-  %t156 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t156, ptr %a157
-  store { ptr, i64, i64 } { ptr @.str.6748, i64 1, i64 0 }, ptr %a159
-  %t160 = call i32 @finch_str_ends(ptr %a157, ptr %a159)
-  %t161 = icmp ne i32 %t160, 0
-  br label %logic.rend10211
-logic.rend10211:
-  br label %logic.end10210
-logic.end10210:
-  %t162 = phi i1 [ false, %logic.from10208 ], [ %t161, %logic.rend10211 ]
-  br i1 %t162, label %then10212, label %endif10214
-then10212:
-  %t163 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t163, ptr %a164
-  %t166 = getelementptr inbounds { ptr, i64, i64 }, ptr %a149, i32 0, i32 1
-  %t167 = load i64, ptr %t166
-  %t168 = sub i64 %t167, 1
-  call void @finch_str_sub(ptr %a165, ptr %a164, i64 4, i64 %t168, ptr @.str.6749, i64 717)
-  %t169 = load { ptr, i64, i64 }, ptr %a165
-  store { ptr, i64, i64 } %t169, ptr %a149
-  br label %endif10214
-endif10214:
-  %t170 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t170, ptr %a171
-  call void @finch_str_copy(ptr %a172, ptr %a171)
-  %t173 = load { ptr, i64, i64 }, ptr %a172
-  store { ptr, i64, i64 } %t173, ptr %a102
-  br label %endif10198
-endif10198:
-  %t174 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
-  store i64 0, ptr %a175
-  br label %each.cond10215
-each.cond10215:
-  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t174, i32 0, i32 1
-  %t177 = load i64, ptr %t176
-  %t178 = load i64, ptr %a175
-  %t179 = icmp slt i64 %t178, %t177
-  br i1 %t179, label %each.body10216, label %each.end10218
-each.body10216:
-  %t180 = load ptr, ptr %t174
-  %t181 = getelementptr inbounds %S.lsp.FnRec, ptr %t180, i64 %t178
-  %t182 = load %S.lsp.FnRec, ptr %t181
-  store %S.lsp.FnRec %t182, ptr %a183
-  %t184 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 1
-  %t185 = load { ptr, i64, i64 }, ptr %t184
-  %t186 = load { ptr, i64, i64 }, ptr %a97
-  store { ptr, i64, i64 } %t185, ptr %a187
-  store { ptr, i64, i64 } %t186, ptr %a188
-  %t189 = call i32 @finch_str_eq(ptr %a187, ptr %a188)
-  %t190 = icmp ne i32 %t189, 0
-  br label %logic.from10219
-logic.from10219:
-  br i1 %t190, label %logic.rhs10220, label %logic.end10221
-logic.rhs10220:
-  %t191 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 2
-  %t192 = load { ptr, i64, i64 }, ptr %t191
-  %t193 = load { ptr, i64, i64 }, ptr %a102
-  store { ptr, i64, i64 } %t192, ptr %a194
-  store { ptr, i64, i64 } %t193, ptr %a195
-  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
-  %t197 = icmp ne i32 %t196, 0
-  br label %logic.rend10222
-logic.rend10222:
-  br label %logic.end10221
-logic.end10221:
-  %t198 = phi i1 [ false, %logic.from10219 ], [ %t197, %logic.rend10222 ]
-  br i1 %t198, label %then10223, label %endif10225
-then10223:
-  %t199 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t199, ptr %a200
-  %t201 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 7
-  %t202 = load { ptr, i64, i64 }, ptr %t201
-  %t203 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t202)
-  call void @finch.json.Json.set(ptr %a200, { ptr, i64, i64 } { ptr @.str.6750, i64 5, i64 0 }, %S.json.Json %t203)
-  %t204 = call %S.json.Json @finch.json.new_list()
+  store %S.lsp.VarRec %t144, ptr %a149
+  call void @finch.drop.S_lsp_VarRec(ptr %a149)
+  store { ptr, i64, i64 } %t148, ptr %a150
+  %t151 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t151, ptr %a152
+  store { ptr, i64, i64 } { ptr @.str.6959, i64 4, i64 0 }, ptr %a154
+  %t155 = call i32 @finch_str_starts(ptr %a152, ptr %a154)
+  %t156 = icmp ne i32 %t155, 0
+  br label %logic.from10727
+logic.from10727:
+  br i1 %t156, label %logic.rhs10728, label %logic.end10729
+logic.rhs10728:
+  %t157 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t157, ptr %a158
+  store { ptr, i64, i64 } { ptr @.str.6961, i64 1, i64 0 }, ptr %a160
+  %t161 = call i32 @finch_str_ends(ptr %a158, ptr %a160)
+  %t162 = icmp ne i32 %t161, 0
+  br label %logic.rend10730
+logic.rend10730:
+  br label %logic.end10729
+logic.end10729:
+  %t163 = phi i1 [ false, %logic.from10727 ], [ %t162, %logic.rend10730 ]
+  br i1 %t163, label %then10731, label %endif10733
+then10731:
+  %t164 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t164, ptr %a165
+  %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %a150, i32 0, i32 1
+  %t168 = load i64, ptr %t167
+  %t169 = sub i64 %t168, 1
+  call void @finch_str_sub(ptr %a166, ptr %a165, i64 4, i64 %t169, ptr @.str.6962, i64 717)
+  %t170 = load { ptr, i64, i64 }, ptr %a166
+  %t171 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t170, ptr %a150
+  store { ptr, i64, i64 } %t171, ptr %a172
+  call void @finch_str_drop(ptr %a172)
+  br label %endif10733
+endif10733:
+  %t173 = load { ptr, i64, i64 }, ptr %a150
+  store { ptr, i64, i64 } %t173, ptr %a174
+  call void @finch_str_copy(ptr %a175, ptr %a174)
+  %t176 = load { ptr, i64, i64 }, ptr %a175
+  %t177 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t176, ptr %a102
+  store { ptr, i64, i64 } %t177, ptr %a178
+  call void @finch_str_drop(ptr %a178)
+  call void @finch_str_drop(ptr %a150)
+  call void @finch_str_drop(ptr %a139)
+  br label %endif10717
+endif10717:
+  %t179 = getelementptr inbounds %S.lsp.Analysis, ptr %a1, i32 0, i32 2
+  store i64 0, ptr %a180
+  br label %each.cond10734
+each.cond10734:
+  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i32 0, i32 1
+  %t182 = load i64, ptr %t181
+  %t183 = load i64, ptr %a180
+  %t184 = icmp slt i64 %t183, %t182
+  br i1 %t184, label %each.body10735, label %each.end10737
+each.body10735:
+  %t185 = load ptr, ptr %t179
+  %t186 = getelementptr inbounds %S.lsp.FnRec, ptr %t185, i64 %t183
+  %t187 = load %S.lsp.FnRec, ptr %t186
+  store %S.lsp.FnRec %t187, ptr %a188
+  %t189 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 1
+  %t190 = load { ptr, i64, i64 }, ptr %t189
+  %t191 = load { ptr, i64, i64 }, ptr %a97
+  store { ptr, i64, i64 } %t190, ptr %a192
+  store { ptr, i64, i64 } %t191, ptr %a193
+  %t194 = call i32 @finch_str_eq(ptr %a192, ptr %a193)
+  %t195 = icmp ne i32 %t194, 0
+  br label %logic.from10738
+logic.from10738:
+  br i1 %t195, label %logic.rhs10739, label %logic.end10740
+logic.rhs10739:
+  %t196 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 2
+  %t197 = load { ptr, i64, i64 }, ptr %t196
+  %t198 = load { ptr, i64, i64 }, ptr %a102
+  store { ptr, i64, i64 } %t197, ptr %a199
+  store { ptr, i64, i64 } %t198, ptr %a200
+  %t201 = call i32 @finch_str_eq(ptr %a199, ptr %a200)
+  %t202 = icmp ne i32 %t201, 0
+  br label %logic.rend10741
+logic.rend10741:
+  br label %logic.end10740
+logic.end10740:
+  %t203 = phi i1 [ false, %logic.from10738 ], [ %t202, %logic.rend10741 ]
+  br i1 %t203, label %then10742, label %endif10744
+then10742:
+  %t204 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t204, ptr %a205
-  %t206 = getelementptr inbounds %S.lsp.FnRec, ptr %a183, i32 0, i32 8
-  store i64 0, ptr %a207
-  br label %each.cond10226
-each.cond10226:
-  %t208 = getelementptr inbounds { ptr, i64, i64 }, ptr %t206, i32 0, i32 1
-  %t209 = load i64, ptr %t208
-  %t210 = load i64, ptr %a207
-  %t211 = icmp slt i64 %t210, %t209
-  br i1 %t211, label %each.body10227, label %each.end10229
-each.body10227:
-  %t212 = load ptr, ptr %t206
-  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i64 %t210
-  %t214 = load { ptr, i64, i64 }, ptr %t213
-  store { ptr, i64, i64 } %t214, ptr %a215
-  %t216 = getelementptr inbounds { ptr, i64, i64 }, ptr %a215, i32 0, i32 1
-  %t217 = load i64, ptr %t216
-  %t218 = icmp sgt i64 %t217, 0
-  br i1 %t218, label %then10230, label %endif10232
-then10230:
-  %t219 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t219, ptr %a220
-  %t221 = load { ptr, i64, i64 }, ptr %a215
-  %t222 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t221)
-  call void @finch.json.Json.set(ptr %a220, { ptr, i64, i64 } { ptr @.str.6751, i64 5, i64 0 }, %S.json.Json %t222)
-  %t223 = load %S.json.Json, ptr %a220
-  call void @finch.json.Json.push(ptr %a205, %S.json.Json %t223)
-  br label %endif10232
-endif10232:
-  br label %each.step10228
-each.step10228:
-  %t224 = load i64, ptr %a207
-  %t225 = add i64 %t224, 1
-  store i64 %t225, ptr %a207
-  br label %each.cond10226
-each.end10229:
-  %t226 = load %S.json.Json, ptr %a205
-  call void @finch.json.Json.set(ptr %a200, { ptr, i64, i64 } { ptr @.str.6752, i64 10, i64 0 }, %S.json.Json %t226)
-  %t227 = call %S.json.Json @finch.json.new_list()
-  store %S.json.Json %t227, ptr %a228
-  %t229 = load %S.json.Json, ptr %a200
-  call void @finch.json.Json.push(ptr %a228, %S.json.Json %t229)
-  %t230 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t230, ptr %a231
-  %t232 = load %S.json.Json, ptr %a228
-  call void @finch.json.Json.set(ptr %a231, { ptr, i64, i64 } { ptr @.str.6753, i64 10, i64 0 }, %S.json.Json %t232)
-  %t233 = call %S.json.Json @finch.lsp.num(i64 0)
-  call void @finch.json.Json.set(ptr %a231, { ptr, i64, i64 } { ptr @.str.6754, i64 15, i64 0 }, %S.json.Json %t233)
-  %t234 = load i64, ptr %a26
-  %t235 = call %S.json.Json @finch.lsp.num(i64 %t234)
-  call void @finch.json.Json.set(ptr %a231, { ptr, i64, i64 } { ptr @.str.6755, i64 15, i64 0 }, %S.json.Json %t235)
-  %t236 = load %S.json.Json, ptr %a231
-  ret %S.json.Json %t236
-endif10225:
-  br label %each.step10217
-each.step10217:
-  %t237 = load i64, ptr %a175
-  %t238 = add i64 %t237, 1
-  store i64 %t238, ptr %a175
-  br label %each.cond10215
-each.end10218:
-  %t239 = call { ptr, i64, i64 } @finch.docs.builtins()
-  %t240 = load { ptr, i64, i64 }, ptr %a97
-  %t241 = call %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %t239, { ptr, i64, i64 } %t240)
-  store %S.docs.Doc %t241, ptr %a242
-  %t243 = getelementptr inbounds %S.docs.Doc, ptr %a242, i32 0, i32 0
-  %t244 = getelementptr inbounds { ptr, i64, i64 }, ptr %t243, i32 0, i32 1
-  %t245 = load i64, ptr %t244
-  %t246 = icmp sgt i64 %t245, 0
-  br i1 %t246, label %then10233, label %endif10235
-then10233:
-  %t247 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t247, ptr %a248
-  %t249 = getelementptr inbounds %S.docs.Doc, ptr %a242, i32 0, i32 1
-  %t250 = load { ptr, i64, i64 }, ptr %t249
-  %t251 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t250)
-  call void @finch.json.Json.set(ptr %a248, { ptr, i64, i64 } { ptr @.str.6756, i64 5, i64 0 }, %S.json.Json %t251)
-  %t252 = getelementptr inbounds %S.docs.Doc, ptr %a242, i32 0, i32 2
-  %t253 = load { ptr, i64, i64 }, ptr %t252
-  %t254 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t253)
-  call void @finch.json.Json.set(ptr %a248, { ptr, i64, i64 } { ptr @.str.6757, i64 13, i64 0 }, %S.json.Json %t254)
-  %t255 = call %S.json.Json @finch.json.new_list()
-  store %S.json.Json %t255, ptr %a256
-  %t257 = load %S.json.Json, ptr %a248
-  call void @finch.json.Json.push(ptr %a256, %S.json.Json %t257)
-  %t258 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t258, ptr %a259
-  %t260 = load %S.json.Json, ptr %a256
-  call void @finch.json.Json.set(ptr %a259, { ptr, i64, i64 } { ptr @.str.6758, i64 10, i64 0 }, %S.json.Json %t260)
-  %t261 = call %S.json.Json @finch.lsp.num(i64 0)
-  call void @finch.json.Json.set(ptr %a259, { ptr, i64, i64 } { ptr @.str.6759, i64 15, i64 0 }, %S.json.Json %t261)
-  %t262 = load i64, ptr %a26
-  %t263 = call %S.json.Json @finch.lsp.num(i64 %t262)
-  call void @finch.json.Json.set(ptr %a259, { ptr, i64, i64 } { ptr @.str.6760, i64 15, i64 0 }, %S.json.Json %t263)
-  %t264 = load %S.json.Json, ptr %a259
-  ret %S.json.Json %t264
-endif10235:
-  %t265 = call %S.json.Json @finch.json.new_null()
-  ret %S.json.Json %t265
+  %t206 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 7
+  %t207 = load { ptr, i64, i64 }, ptr %t206
+  %t208 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t207)
+  call void @finch.json.Json.set(ptr %a205, { ptr, i64, i64 } { ptr @.str.6963, i64 5, i64 0 }, %S.json.Json %t208)
+  store %S.json.Json %t208, ptr %a209
+  call void @finch.drop.S_json_Json(ptr %a209)
+  %t210 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t210, ptr %a211
+  %t212 = getelementptr inbounds %S.lsp.FnRec, ptr %a188, i32 0, i32 8
+  store i64 0, ptr %a213
+  br label %each.cond10745
+each.cond10745:
+  %t214 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i32 0, i32 1
+  %t215 = load i64, ptr %t214
+  %t216 = load i64, ptr %a213
+  %t217 = icmp slt i64 %t216, %t215
+  br i1 %t217, label %each.body10746, label %each.end10748
+each.body10746:
+  %t218 = load ptr, ptr %t212
+  %t219 = getelementptr inbounds { ptr, i64, i64 }, ptr %t218, i64 %t216
+  %t220 = load { ptr, i64, i64 }, ptr %t219
+  store { ptr, i64, i64 } %t220, ptr %a221
+  %t222 = getelementptr inbounds { ptr, i64, i64 }, ptr %a221, i32 0, i32 1
+  %t223 = load i64, ptr %t222
+  %t224 = icmp sgt i64 %t223, 0
+  br i1 %t224, label %then10749, label %endif10751
+then10749:
+  %t225 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t225, ptr %a226
+  %t227 = load { ptr, i64, i64 }, ptr %a221
+  %t228 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t227)
+  call void @finch.json.Json.set(ptr %a226, { ptr, i64, i64 } { ptr @.str.6964, i64 5, i64 0 }, %S.json.Json %t228)
+  store %S.json.Json %t228, ptr %a229
+  call void @finch.drop.S_json_Json(ptr %a229)
+  %t230 = load %S.json.Json, ptr %a226
+  call void @finch.json.Json.push(ptr %a211, %S.json.Json %t230)
+  call void @finch.drop.S_json_Json(ptr %a226)
+  br label %endif10751
+endif10751:
+  br label %each.step10747
+each.step10747:
+  %t231 = load i64, ptr %a213
+  %t232 = add i64 %t231, 1
+  store i64 %t232, ptr %a213
+  br label %each.cond10745
+each.end10748:
+  %t233 = load %S.json.Json, ptr %a211
+  call void @finch.json.Json.set(ptr %a205, { ptr, i64, i64 } { ptr @.str.6965, i64 10, i64 0 }, %S.json.Json %t233)
+  %t234 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t234, ptr %a235
+  %t236 = load %S.json.Json, ptr %a205
+  call void @finch.json.Json.push(ptr %a235, %S.json.Json %t236)
+  %t237 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t237, ptr %a238
+  %t239 = load %S.json.Json, ptr %a235
+  call void @finch.json.Json.set(ptr %a238, { ptr, i64, i64 } { ptr @.str.6966, i64 10, i64 0 }, %S.json.Json %t239)
+  %t240 = call %S.json.Json @finch.lsp.num(i64 0)
+  call void @finch.json.Json.set(ptr %a238, { ptr, i64, i64 } { ptr @.str.6967, i64 15, i64 0 }, %S.json.Json %t240)
+  store %S.json.Json %t240, ptr %a241
+  call void @finch.drop.S_json_Json(ptr %a241)
+  %t242 = load i64, ptr %a26
+  %t243 = call %S.json.Json @finch.lsp.num(i64 %t242)
+  call void @finch.json.Json.set(ptr %a238, { ptr, i64, i64 } { ptr @.str.6968, i64 15, i64 0 }, %S.json.Json %t243)
+  store %S.json.Json %t243, ptr %a244
+  call void @finch.drop.S_json_Json(ptr %a244)
+  %t245 = load %S.json.Json, ptr %a238
+  call void @finch.drop.S_json_Json(ptr %a235)
+  call void @finch.drop.S_json_Json(ptr %a211)
+  call void @finch.drop.S_json_Json(ptr %a205)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.json.Json %t245
+endif10744:
+  br label %each.step10736
+each.step10736:
+  %t246 = load i64, ptr %a180
+  %t247 = add i64 %t246, 1
+  store i64 %t247, ptr %a180
+  br label %each.cond10734
+each.end10737:
+  %t248 = call { ptr, i64, i64 } @finch.docs.builtins()
+  %t249 = load { ptr, i64, i64 }, ptr %a97
+  %t250 = call %S.docs.Doc @finch.docs.find({ ptr, i64, i64 } %t248, { ptr, i64, i64 } %t249)
+  store { ptr, i64, i64 } %t248, ptr %a251
+  call void @finch.drop.arr_S_docs_Doc(ptr %a251)
+  store %S.docs.Doc %t250, ptr %a252
+  %t253 = getelementptr inbounds %S.docs.Doc, ptr %a252, i32 0, i32 0
+  %t254 = getelementptr inbounds { ptr, i64, i64 }, ptr %t253, i32 0, i32 1
+  %t255 = load i64, ptr %t254
+  %t256 = icmp sgt i64 %t255, 0
+  br i1 %t256, label %then10752, label %endif10754
+then10752:
+  %t257 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t257, ptr %a258
+  %t259 = getelementptr inbounds %S.docs.Doc, ptr %a252, i32 0, i32 1
+  %t260 = load { ptr, i64, i64 }, ptr %t259
+  %t261 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t260)
+  call void @finch.json.Json.set(ptr %a258, { ptr, i64, i64 } { ptr @.str.6969, i64 5, i64 0 }, %S.json.Json %t261)
+  store %S.json.Json %t261, ptr %a262
+  call void @finch.drop.S_json_Json(ptr %a262)
+  %t263 = getelementptr inbounds %S.docs.Doc, ptr %a252, i32 0, i32 2
+  %t264 = load { ptr, i64, i64 }, ptr %t263
+  %t265 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t264)
+  call void @finch.json.Json.set(ptr %a258, { ptr, i64, i64 } { ptr @.str.6970, i64 13, i64 0 }, %S.json.Json %t265)
+  store %S.json.Json %t265, ptr %a266
+  call void @finch.drop.S_json_Json(ptr %a266)
+  %t267 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t267, ptr %a268
+  %t269 = load %S.json.Json, ptr %a258
+  call void @finch.json.Json.push(ptr %a268, %S.json.Json %t269)
+  %t270 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t270, ptr %a271
+  %t272 = load %S.json.Json, ptr %a268
+  call void @finch.json.Json.set(ptr %a271, { ptr, i64, i64 } { ptr @.str.6971, i64 10, i64 0 }, %S.json.Json %t272)
+  %t273 = call %S.json.Json @finch.lsp.num(i64 0)
+  call void @finch.json.Json.set(ptr %a271, { ptr, i64, i64 } { ptr @.str.6972, i64 15, i64 0 }, %S.json.Json %t273)
+  store %S.json.Json %t273, ptr %a274
+  call void @finch.drop.S_json_Json(ptr %a274)
+  %t275 = load i64, ptr %a26
+  %t276 = call %S.json.Json @finch.lsp.num(i64 %t275)
+  call void @finch.json.Json.set(ptr %a271, { ptr, i64, i64 } { ptr @.str.6973, i64 15, i64 0 }, %S.json.Json %t276)
+  store %S.json.Json %t276, ptr %a277
+  call void @finch.drop.S_json_Json(ptr %a277)
+  %t278 = load %S.json.Json, ptr %a271
+  call void @finch.drop.S_json_Json(ptr %a268)
+  call void @finch.drop.S_json_Json(ptr %a258)
+  call void @finch.drop.S_docs_Doc(ptr %a252)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.json.Json %t278
+endif10754:
+  %t279 = call %S.json.Json @finch.json.new_null()
+  call void @finch.drop.S_docs_Doc(ptr %a252)
+  call void @finch_str_drop(ptr %a102)
+  call void @finch_str_drop(ptr %a97)
+  call void @finch_str_drop(ptr %a24)
+  call void @finch_str_drop(ptr %a9)
+  ret %S.json.Json %t279
 }
 
 define internal { ptr, i64, i64 } @finch.lsp.textOf(%S.json.Json %p0) {
@@ -90732,11 +108401,13 @@ entry:
   %a3 = alloca %S.json.Json, align 16
   %a5 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
-  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6761, i64 12, i64 0 })
+  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6974, i64 12, i64 0 })
   store %S.json.Json %t2, ptr %a3
-  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6762, i64 4, i64 0 })
+  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6975, i64 4, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a3)
   store %S.json.Json %t4, ptr %a5
-  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6763, i64 0, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6976, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a5)
   ret { ptr, i64, i64 } %t6
 }
 
@@ -90745,13 +108416,18 @@ entry:
   %a1 = alloca %S.json.Json, align 16
   %a3 = alloca %S.json.Json, align 16
   %a5 = alloca %S.json.Json, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
   store %S.json.Json %p0, ptr %a1
-  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6764, i64 12, i64 0 })
+  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6977, i64 12, i64 0 })
   store %S.json.Json %t2, ptr %a3
-  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6765, i64 3, i64 0 })
+  %t4 = call %S.json.Json @finch.json.Json.get(ptr %a3, { ptr, i64, i64 } { ptr @.str.6978, i64 3, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a3)
   store %S.json.Json %t4, ptr %a5
-  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6766, i64 0, i64 0 })
+  %t6 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a5, { ptr, i64, i64 } { ptr @.str.6979, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a5)
   %t7 = call { ptr, i64, i64 } @finch.lsp.uriToPath({ ptr, i64, i64 } %t6)
+  store { ptr, i64, i64 } %t6, ptr %a8
+  call void @finch_str_drop(ptr %a8)
   ret { ptr, i64, i64 } %t7
 }
 
@@ -90765,277 +108441,314 @@ entry:
   %a11 = alloca { ptr, i64, i64 }, align 16
   %a12 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca %S.json.Json, align 16
+  %a18 = alloca %S.json.Json, align 16
+  %a20 = alloca %S.json.Json, align 16
   %a22 = alloca %S.json.Json, align 16
   %a24 = alloca %S.json.Json, align 16
-  %a29 = alloca %S.json.Json, align 16
-  %a31 = alloca %S.json.Json, align 16
-  %a37 = alloca %S.json.Json, align 16
+  %a26 = alloca %S.json.Json, align 16
+  %a28 = alloca %S.json.Json, align 16
+  %a30 = alloca %S.json.Json, align 16
+  %a34 = alloca %S.json.Json, align 16
+  %a36 = alloca %S.json.Json, align 16
+  %a38 = alloca %S.json.Json, align 16
   %a40 = alloca %S.json.Json, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a46 = alloca { ptr, i64, i64 }, align 16
-  %a52 = alloca { ptr, i64, i64 }, align 16
+  %a44 = alloca %S.json.Json, align 16
+  %a47 = alloca %S.json.Json, align 16
+  %a49 = alloca %S.json.Json, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
-  %a58 = alloca { ptr, i64, i64 }, align 16
-  %a59 = alloca { ptr, i64, i64 }, align 16
-  %a64 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
-  %a70 = alloca i32, align 16
-  %a81 = alloca { ptr, i64, i64 }, align 16
-  %a82 = alloca { ptr, i64, i64 }, align 16
-  %a87 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca %S.json.Json, align 16
-  %a95 = alloca %S.json.Json, align 16
-  %a97 = alloca %S.json.Json, align 16
-  %a101 = alloca { ptr, i64, i64 }, align 16
-  %a102 = alloca i32, align 16
-  %a113 = alloca { ptr, i64, i64 }, align 16
-  %a114 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a122 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a60 = alloca %S.json.Json, align 16
+  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a62 = alloca { ptr, i64, i64 }, align 16
+  %a67 = alloca { ptr, i64, i64 }, align 16
+  %a68 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a79 = alloca i32, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a100 = alloca %S.json.Json, align 16
+  %a106 = alloca %S.json.Json, align 16
+  %a108 = alloca %S.json.Json, align 16
+  %a112 = alloca { ptr, i64, i64 }, align 16
+  %a113 = alloca i32, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
   %a126 = alloca { ptr, i64, i64 }, align 16
   %a127 = alloca { ptr, i64, i64 }, align 16
   %a132 = alloca { ptr, i64, i64 }, align 16
   %a135 = alloca { ptr, i64, i64 }, align 16
+  %a139 = alloca { ptr, i64, i64 }, align 16
   %a140 = alloca { ptr, i64, i64 }, align 16
   %a145 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca %S.json.Json, align 16
-  %a155 = alloca { ptr, i64, i64 }, align 16
-  %a156 = alloca { ptr, i64, i64 }, align 16
-  %a159 = alloca { ptr, i64, i64 }, align 16
-  %a160 = alloca { ptr, i64, i64 }, align 16
-  %a163 = alloca { ptr, i64, i64 }, align 16
-  %a164 = alloca { ptr, i64, i64 }, align 16
-  %a167 = alloca { ptr, i64, i64 }, align 16
+  %a148 = alloca { ptr, i64, i64 }, align 16
+  %a158 = alloca { ptr, i64, i64 }, align 16
   %a168 = alloca { ptr, i64, i64 }, align 16
-  %a171 = alloca { ptr, i64, i64 }, align 16
-  %a172 = alloca { ptr, i64, i64 }, align 16
-  %a177 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca %S.json.Json, align 16
-  %a181 = alloca %S.json.Json, align 16
-  %a184 = alloca i64, align 16
-  %a186 = alloca %S.json.Json, align 16
-  %a188 = alloca %S.json.Json, align 16
-  %a191 = alloca i64, align 16
+  %a177 = alloca %S.json.Json, align 16
+  %a181 = alloca { ptr, i64, i64 }, align 16
+  %a182 = alloca %S.json.Json, align 16
+  %a184 = alloca %S.json.Json, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a190 = alloca { ptr, i64, i64 }, align 16
+  %a191 = alloca { ptr, i64, i64 }, align 16
   %a194 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca { ptr, i64, i64 }, align 16
+  %a198 = alloca { ptr, i64, i64 }, align 16
+  %a199 = alloca { ptr, i64, i64 }, align 16
   %a202 = alloca { ptr, i64, i64 }, align 16
-  %a205 = alloca { ptr, i64, i64 }, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a212 = alloca %S.lsp.Analysis, align 16
-  %a213 = alloca %S.lsp.Analysis, align 16
-  %a215 = alloca %S.lsp.Analysis, align 16
-  %a216 = alloca { ptr, i64, i64 }, align 16
-  %a219 = alloca { ptr, i64, i64 }, align 16
-  %a224 = alloca { ptr, i64, i64 }, align 16
-  %a227 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
+  %a203 = alloca { ptr, i64, i64 }, align 16
+  %a208 = alloca { ptr, i64, i64 }, align 16
+  %a210 = alloca %S.json.Json, align 16
+  %a212 = alloca %S.json.Json, align 16
+  %a215 = alloca i64, align 16
+  %a217 = alloca %S.json.Json, align 16
+  %a219 = alloca %S.json.Json, align 16
+  %a222 = alloca i64, align 16
+  %a225 = alloca { ptr, i64, i64 }, align 16
+  %a231 = alloca %S.json.Json, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
-  %a235 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
   %a238 = alloca { ptr, i64, i64 }, align 16
-  %a239 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca %S.lsp.Analysis, align 16
+  %a245 = alloca %S.lsp.Analysis, align 16
+  %a247 = alloca %S.lsp.Analysis, align 16
   %a248 = alloca { ptr, i64, i64 }, align 16
-  %a249 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
+  %a251 = alloca { ptr, i64, i64 }, align 16
+  %a256 = alloca { ptr, i64, i64 }, align 16
   %a259 = alloca { ptr, i64, i64 }, align 16
-  %a269 = alloca { ptr, i64, i64 }, align 16
+  %a260 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
   %a270 = alloca { ptr, i64, i64 }, align 16
+  %a272 = alloca { ptr, i64, i64 }, align 16
+  %a273 = alloca { ptr, i64, i64 }, align 16
+  %a282 = alloca %S.json.Json, align 16
+  %a283 = alloca { ptr, i64, i64 }, align 16
+  %a284 = alloca { ptr, i64, i64 }, align 16
+  %a293 = alloca %S.json.Json, align 16
+  %a294 = alloca { ptr, i64, i64 }, align 16
+  %a295 = alloca { ptr, i64, i64 }, align 16
+  %a305 = alloca %S.json.Json, align 16
+  %a306 = alloca { ptr, i64, i64 }, align 16
+  %a307 = alloca { ptr, i64, i64 }, align 16
+  %a314 = alloca %S.json.Json, align 16
+  %a322 = alloca %S.json.Json, align 16
+  %a328 = alloca %S.json.Json, align 16
   store %S.json.Json %p0, ptr %a1
-  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6767, i64 6, i64 0 })
+  %t2 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6980, i64 6, i64 0 })
   store %S.json.Json %t2, ptr %a3
-  %t4 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a3, { ptr, i64, i64 } { ptr @.str.6768, i64 0, i64 0 })
+  %t4 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a3, { ptr, i64, i64 } { ptr @.str.6981, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a3)
   store { ptr, i64, i64 } %t4, ptr %a5
-  %t6 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6769, i64 6, i64 0 })
+  %t6 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6982, i64 6, i64 0 })
   store %S.json.Json %t6, ptr %a7
-  %t8 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6770, i64 2, i64 0 })
+  %t8 = call %S.json.Json @finch.json.Json.get(ptr %a1, { ptr, i64, i64 } { ptr @.str.6983, i64 2, i64 0 })
   store %S.json.Json %t8, ptr %a9
   %t10 = load { ptr, i64, i64 }, ptr %a5
   store { ptr, i64, i64 } %t10, ptr %a11
-  store { ptr, i64, i64 } { ptr @.str.6771, i64 10, i64 0 }, ptr %a12
+  store { ptr, i64, i64 } { ptr @.str.6984, i64 10, i64 0 }, ptr %a12
   %t13 = call i32 @finch_str_eq(ptr %a11, ptr %a12)
   %t14 = icmp ne i32 %t13, 0
-  br i1 %t14, label %match.arm10237, label %match.next10238
-match.arm10237:
+  br i1 %t14, label %match.arm10756, label %match.next10757
+match.arm10756:
   %t15 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t15, ptr %a16
   %t17 = call %S.json.Json @finch.lsp.num(i64 1)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6772, i64 16, i64 0 }, %S.json.Json %t17)
-  %t18 = call %S.json.Json @finch.json.new_bool(i1 true)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6773, i64 13, i64 0 }, %S.json.Json %t18)
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6985, i64 16, i64 0 }, %S.json.Json %t17)
+  store %S.json.Json %t17, ptr %a18
+  call void @finch.drop.S_json_Json(ptr %a18)
   %t19 = call %S.json.Json @finch.json.new_bool(i1 true)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6774, i64 18, i64 0 }, %S.json.Json %t19)
-  %t20 = call %S.json.Json @finch.json.new_bool(i1 true)
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6775, i64 22, i64 0 }, %S.json.Json %t20)
-  %t21 = call %S.json.Json @finch.json.new_object()
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6986, i64 13, i64 0 }, %S.json.Json %t19)
+  store %S.json.Json %t19, ptr %a20
+  call void @finch.drop.S_json_Json(ptr %a20)
+  %t21 = call %S.json.Json @finch.json.new_bool(i1 true)
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6987, i64 18, i64 0 }, %S.json.Json %t21)
   store %S.json.Json %t21, ptr %a22
-  %t23 = call %S.json.Json @finch.json.new_list()
+  call void @finch.drop.S_json_Json(ptr %a22)
+  %t23 = call %S.json.Json @finch.json.new_bool(i1 true)
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6988, i64 22, i64 0 }, %S.json.Json %t23)
   store %S.json.Json %t23, ptr %a24
-  %t25 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6776, i64 1, i64 0 })
-  call void @finch.json.Json.push(ptr %a24, %S.json.Json %t25)
-  %t26 = load %S.json.Json, ptr %a24
-  call void @finch.json.Json.set(ptr %a22, { ptr, i64, i64 } { ptr @.str.6777, i64 17, i64 0 }, %S.json.Json %t26)
-  %t27 = load %S.json.Json, ptr %a22
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6778, i64 18, i64 0 }, %S.json.Json %t27)
-  %t28 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t28, ptr %a29
-  %t30 = call %S.json.Json @finch.json.new_list()
-  store %S.json.Json %t30, ptr %a31
-  %t32 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6779, i64 1, i64 0 })
-  call void @finch.json.Json.push(ptr %a31, %S.json.Json %t32)
-  %t33 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6780, i64 1, i64 0 })
-  call void @finch.json.Json.push(ptr %a31, %S.json.Json %t33)
-  %t34 = load %S.json.Json, ptr %a31
-  call void @finch.json.Json.set(ptr %a29, { ptr, i64, i64 } { ptr @.str.6781, i64 17, i64 0 }, %S.json.Json %t34)
-  %t35 = load %S.json.Json, ptr %a29
-  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6782, i64 21, i64 0 }, %S.json.Json %t35)
-  %t36 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t36, ptr %a37
-  %t38 = load %S.json.Json, ptr %a16
-  call void @finch.json.Json.set(ptr %a37, { ptr, i64, i64 } { ptr @.str.6783, i64 12, i64 0 }, %S.json.Json %t38)
-  %t39 = call %S.json.Json @finch.json.new_object()
+  call void @finch.drop.S_json_Json(ptr %a24)
+  %t25 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t25, ptr %a26
+  %t27 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t27, ptr %a28
+  %t29 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6989, i64 1, i64 0 })
+  call void @finch.json.Json.push(ptr %a28, %S.json.Json %t29)
+  store %S.json.Json %t29, ptr %a30
+  call void @finch.drop.S_json_Json(ptr %a30)
+  %t31 = load %S.json.Json, ptr %a28
+  call void @finch.json.Json.set(ptr %a26, { ptr, i64, i64 } { ptr @.str.6990, i64 17, i64 0 }, %S.json.Json %t31)
+  %t32 = load %S.json.Json, ptr %a26
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6991, i64 18, i64 0 }, %S.json.Json %t32)
+  %t33 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t33, ptr %a34
+  %t35 = call %S.json.Json @finch.json.new_list()
+  store %S.json.Json %t35, ptr %a36
+  %t37 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6992, i64 1, i64 0 })
+  call void @finch.json.Json.push(ptr %a36, %S.json.Json %t37)
+  store %S.json.Json %t37, ptr %a38
+  call void @finch.drop.S_json_Json(ptr %a38)
+  %t39 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6993, i64 1, i64 0 })
+  call void @finch.json.Json.push(ptr %a36, %S.json.Json %t39)
   store %S.json.Json %t39, ptr %a40
-  %t41 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6785, i64 5, i64 0 })
-  call void @finch.json.Json.set(ptr %a40, { ptr, i64, i64 } { ptr @.str.6784, i64 4, i64 0 }, %S.json.Json %t41)
-  %t42 = load %S.json.Json, ptr %a40
-  call void @finch.json.Json.set(ptr %a37, { ptr, i64, i64 } { ptr @.str.6786, i64 10, i64 0 }, %S.json.Json %t42)
-  %t43 = load %S.json.Json, ptr %a9
-  %t44 = load %S.json.Json, ptr %a37
-  call void @finch.lsp.reply(%S.json.Json %t43, %S.json.Json %t44)
-  br label %match.end10236
-match.next10238:
-  store { ptr, i64, i64 } %t10, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.6787, i64 8, i64 0 }, ptr %a46
-  %t47 = call i32 @finch_str_eq(ptr %a45, ptr %a46)
-  %t48 = icmp ne i32 %t47, 0
-  br i1 %t48, label %match.arm10239, label %match.next10240
-match.arm10239:
-  %t49 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 6
-  store i1 true, ptr %t49
-  %t50 = load %S.json.Json, ptr %a9
-  %t51 = call %S.json.Json @finch.json.new_null()
-  call void @finch.lsp.reply(%S.json.Json %t50, %S.json.Json %t51)
-  br label %match.end10236
-match.next10240:
-  store { ptr, i64, i64 } %t10, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.6788, i64 4, i64 0 }, ptr %a53
-  %t54 = call i32 @finch_str_eq(ptr %a52, ptr %a53)
-  %t55 = icmp ne i32 %t54, 0
-  br i1 %t55, label %match.arm10241, label %match.next10242
-match.arm10241:
-  %t56 = trunc i64 0 to i32
-  %t57 = call i32 @fflush(ptr null)
-  call void @exit(i32 %t56)
-  br label %match.end10236
-match.next10242:
-  store { ptr, i64, i64 } %t10, ptr %a58
-  store { ptr, i64, i64 } { ptr @.str.6789, i64 20, i64 0 }, ptr %a59
-  %t60 = call i32 @finch_str_eq(ptr %a58, ptr %a59)
-  %t61 = icmp ne i32 %t60, 0
-  br i1 %t61, label %match.arm10243, label %match.next10244
-match.arm10243:
-  %t62 = load %S.json.Json, ptr %a7
-  %t63 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t62)
-  store { ptr, i64, i64 } %t63, ptr %a64
-  %t65 = load %S.json.Json, ptr %a7
-  %t66 = call { ptr, i64, i64 } @finch.lsp.textOf(%S.json.Json %t65)
-  %t67 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t68 = load { ptr, i64, i64 }, ptr %a64
-  store { ptr, i64, i64 } %t68, ptr %a69
-  store i32 0, ptr %a70
-  %t71 = call i64 @finch_map_slot(ptr %t67, ptr %a69, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a70)
-  %t72 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t67, i32 0, i32 0
-  %t73 = load ptr, ptr %t72
-  %t74 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t73, i64 %t71
-  %t75 = load i32, ptr %a70
-  %t76 = icmp ne i32 %t75, 0
-  br i1 %t76, label %map.new10245, label %map.have10246
-map.new10245:
-  %t77 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t74, i32 0, i32 1
-  call void @finch_str_copy(ptr %t77, ptr %a69)
-  %t78 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t74, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t78
-  br label %map.have10246
-map.have10246:
-  %t79 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t74, i32 0, i32 2
-  store { ptr, i64, i64 } %t66, ptr %t79
-  %t80 = load { ptr, i64, i64 }, ptr %a64
-  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t80)
-  br label %match.end10236
-match.next10244:
-  store { ptr, i64, i64 } %t10, ptr %a81
-  store { ptr, i64, i64 } { ptr @.str.6790, i64 22, i64 0 }, ptr %a82
-  %t83 = call i32 @finch_str_eq(ptr %a81, ptr %a82)
-  %t84 = icmp ne i32 %t83, 0
-  br i1 %t84, label %match.arm10247, label %match.next10248
-match.arm10247:
-  %t85 = load %S.json.Json, ptr %a7
-  %t86 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t85)
-  store { ptr, i64, i64 } %t86, ptr %a87
-  %t88 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.6791, i64 14, i64 0 })
-  store %S.json.Json %t88, ptr %a89
-  %t90 = call i64 @finch.json.Json.len(ptr %a89)
-  %t91 = icmp sgt i64 %t90, 0
-  br i1 %t91, label %then10249, label %endif10251
-then10249:
-  %t92 = call i64 @finch.json.Json.len(ptr %a89)
-  %t93 = sub i64 %t92, 1
-  %t94 = call %S.json.Json @finch.json.Json.at(ptr %a89, i64 %t93)
-  store %S.json.Json %t94, ptr %a95
-  %t96 = call %S.json.Json @finch.json.Json.get(ptr %a95, { ptr, i64, i64 } { ptr @.str.6792, i64 4, i64 0 })
-  store %S.json.Json %t96, ptr %a97
-  %t98 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a97, { ptr, i64, i64 } { ptr @.str.6793, i64 0, i64 0 })
-  %t99 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t100 = load { ptr, i64, i64 }, ptr %a87
-  store { ptr, i64, i64 } %t100, ptr %a101
-  store i32 0, ptr %a102
-  %t103 = call i64 @finch_map_slot(ptr %t99, ptr %a101, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a102)
-  %t104 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t99, i32 0, i32 0
-  %t105 = load ptr, ptr %t104
-  %t106 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t105, i64 %t103
-  %t107 = load i32, ptr %a102
-  %t108 = icmp ne i32 %t107, 0
-  br i1 %t108, label %map.new10252, label %map.have10253
-map.new10252:
-  %t109 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t106, i32 0, i32 1
-  call void @finch_str_copy(ptr %t109, ptr %a101)
-  %t110 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t106, i32 0, i32 2
-  store { ptr, i64, i64 } zeroinitializer, ptr %t110
-  br label %map.have10253
-map.have10253:
-  %t111 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t106, i32 0, i32 2
-  store { ptr, i64, i64 } %t98, ptr %t111
-  %t112 = load { ptr, i64, i64 }, ptr %a87
-  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t112)
-  br label %endif10251
-endif10251:
-  br label %match.end10236
-match.next10248:
-  store { ptr, i64, i64 } %t10, ptr %a113
-  store { ptr, i64, i64 } { ptr @.str.6794, i64 20, i64 0 }, ptr %a114
-  %t115 = call i32 @finch_str_eq(ptr %a113, ptr %a114)
-  %t116 = icmp ne i32 %t115, 0
-  br i1 %t116, label %match.arm10254, label %match.next10255
-match.arm10254:
-  %t117 = load %S.json.Json, ptr %a7
-  %t118 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t117)
-  store { ptr, i64, i64 } %t118, ptr %a119
-  %t120 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t121 = load { ptr, i64, i64 }, ptr %a119
-  store { ptr, i64, i64 } %t121, ptr %a122
-  %t123 = call i64 @finch_map_find(ptr %t120, ptr %a122, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t124 = icmp sge i64 %t123, 0
-  br i1 %t124, label %then10256, label %endif10258
-then10256:
-  %t125 = load { ptr, i64, i64 }, ptr %a119
+  call void @finch.drop.S_json_Json(ptr %a40)
+  %t41 = load %S.json.Json, ptr %a36
+  call void @finch.json.Json.set(ptr %a34, { ptr, i64, i64 } { ptr @.str.6994, i64 17, i64 0 }, %S.json.Json %t41)
+  %t42 = load %S.json.Json, ptr %a34
+  call void @finch.json.Json.set(ptr %a16, { ptr, i64, i64 } { ptr @.str.6995, i64 21, i64 0 }, %S.json.Json %t42)
+  %t43 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t43, ptr %a44
+  %t45 = load %S.json.Json, ptr %a16
+  call void @finch.json.Json.set(ptr %a44, { ptr, i64, i64 } { ptr @.str.6996, i64 12, i64 0 }, %S.json.Json %t45)
+  %t46 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t46, ptr %a47
+  %t48 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } { ptr @.str.6998, i64 5, i64 0 })
+  call void @finch.json.Json.set(ptr %a47, { ptr, i64, i64 } { ptr @.str.6997, i64 4, i64 0 }, %S.json.Json %t48)
+  store %S.json.Json %t48, ptr %a49
+  call void @finch.drop.S_json_Json(ptr %a49)
+  %t50 = load %S.json.Json, ptr %a47
+  call void @finch.json.Json.set(ptr %a44, { ptr, i64, i64 } { ptr @.str.6999, i64 10, i64 0 }, %S.json.Json %t50)
+  %t51 = load %S.json.Json, ptr %a9
+  %t52 = load %S.json.Json, ptr %a44
+  call void @finch.lsp.reply(%S.json.Json %t51, %S.json.Json %t52)
+  call void @finch.drop.S_json_Json(ptr %a47)
+  call void @finch.drop.S_json_Json(ptr %a44)
+  call void @finch.drop.S_json_Json(ptr %a36)
+  call void @finch.drop.S_json_Json(ptr %a34)
+  call void @finch.drop.S_json_Json(ptr %a28)
+  call void @finch.drop.S_json_Json(ptr %a26)
+  call void @finch.drop.S_json_Json(ptr %a16)
+  br label %match.end10755
+match.next10757:
+  store { ptr, i64, i64 } %t10, ptr %a53
+  store { ptr, i64, i64 } { ptr @.str.7000, i64 8, i64 0 }, ptr %a54
+  %t55 = call i32 @finch_str_eq(ptr %a53, ptr %a54)
+  %t56 = icmp ne i32 %t55, 0
+  br i1 %t56, label %match.arm10758, label %match.next10759
+match.arm10758:
+  %t57 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 6
+  store i1 true, ptr %t57
+  %t58 = load %S.json.Json, ptr %a9
+  %t59 = call %S.json.Json @finch.json.new_null()
+  call void @finch.lsp.reply(%S.json.Json %t58, %S.json.Json %t59)
+  store %S.json.Json %t59, ptr %a60
+  call void @finch.drop.S_json_Json(ptr %a60)
+  br label %match.end10755
+match.next10759:
+  store { ptr, i64, i64 } %t10, ptr %a61
+  store { ptr, i64, i64 } { ptr @.str.7001, i64 4, i64 0 }, ptr %a62
+  %t63 = call i32 @finch_str_eq(ptr %a61, ptr %a62)
+  %t64 = icmp ne i32 %t63, 0
+  br i1 %t64, label %match.arm10760, label %match.next10761
+match.arm10760:
+  %t65 = trunc i64 0 to i32
+  %t66 = call i32 @fflush(ptr null)
+  call void @exit(i32 %t65)
+  br label %match.end10755
+match.next10761:
+  store { ptr, i64, i64 } %t10, ptr %a67
+  store { ptr, i64, i64 } { ptr @.str.7002, i64 20, i64 0 }, ptr %a68
+  %t69 = call i32 @finch_str_eq(ptr %a67, ptr %a68)
+  %t70 = icmp ne i32 %t69, 0
+  br i1 %t70, label %match.arm10762, label %match.next10763
+match.arm10762:
+  %t71 = load %S.json.Json, ptr %a7
+  %t72 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t71)
+  store { ptr, i64, i64 } %t72, ptr %a73
+  %t74 = load %S.json.Json, ptr %a7
+  %t75 = call { ptr, i64, i64 } @finch.lsp.textOf(%S.json.Json %t74)
+  %t76 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t77 = load { ptr, i64, i64 }, ptr %a73
+  store { ptr, i64, i64 } %t77, ptr %a78
+  store i32 0, ptr %a79
+  %t80 = call i64 @finch_map_slot(ptr %t76, ptr %a78, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a79)
+  %t81 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t76, i32 0, i32 0
+  %t82 = load ptr, ptr %t81
+  %t83 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t82, i64 %t80
+  %t84 = load i32, ptr %a79
+  %t85 = icmp ne i32 %t84, 0
+  br i1 %t85, label %map.new10764, label %map.have10765
+map.new10764:
+  %t86 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i32 0, i32 1
+  call void @finch_str_copy(ptr %t86, ptr %a78)
+  %t87 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t87
+  br label %map.have10765
+map.have10765:
+  %t88 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t83, i32 0, i32 2
+  %t89 = load { ptr, i64, i64 }, ptr %t88
+  store { ptr, i64, i64 } %t75, ptr %t88
+  store { ptr, i64, i64 } %t89, ptr %a90
+  call void @finch_str_drop(ptr %a90)
+  %t91 = load { ptr, i64, i64 }, ptr %a73
+  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t91)
+  call void @finch_str_drop(ptr %a73)
+  br label %match.end10755
+match.next10763:
+  store { ptr, i64, i64 } %t10, ptr %a92
+  store { ptr, i64, i64 } { ptr @.str.7003, i64 22, i64 0 }, ptr %a93
+  %t94 = call i32 @finch_str_eq(ptr %a92, ptr %a93)
+  %t95 = icmp ne i32 %t94, 0
+  br i1 %t95, label %match.arm10766, label %match.next10767
+match.arm10766:
+  %t96 = load %S.json.Json, ptr %a7
+  %t97 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t96)
+  store { ptr, i64, i64 } %t97, ptr %a98
+  %t99 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.7004, i64 14, i64 0 })
+  store %S.json.Json %t99, ptr %a100
+  %t101 = call i64 @finch.json.Json.len(ptr %a100)
+  %t102 = icmp sgt i64 %t101, 0
+  br i1 %t102, label %then10768, label %endif10770
+then10768:
+  %t103 = call i64 @finch.json.Json.len(ptr %a100)
+  %t104 = sub i64 %t103, 1
+  %t105 = call %S.json.Json @finch.json.Json.at(ptr %a100, i64 %t104)
+  store %S.json.Json %t105, ptr %a106
+  %t107 = call %S.json.Json @finch.json.Json.get(ptr %a106, { ptr, i64, i64 } { ptr @.str.7005, i64 4, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a106)
+  store %S.json.Json %t107, ptr %a108
+  %t109 = call { ptr, i64, i64 } @finch.json.Json.str_or(ptr %a108, { ptr, i64, i64 } { ptr @.str.7006, i64 0, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a108)
+  %t110 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t111 = load { ptr, i64, i64 }, ptr %a98
+  store { ptr, i64, i64 } %t111, ptr %a112
+  store i32 0, ptr %a113
+  %t114 = call i64 @finch_map_slot(ptr %t110, ptr %a112, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1, ptr %a113)
+  %t115 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t110, i32 0, i32 0
+  %t116 = load ptr, ptr %t115
+  %t117 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t116, i64 %t114
+  %t118 = load i32, ptr %a113
+  %t119 = icmp ne i32 %t118, 0
+  br i1 %t119, label %map.new10771, label %map.have10772
+map.new10771:
+  %t120 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t117, i32 0, i32 1
+  call void @finch_str_copy(ptr %t120, ptr %a112)
+  %t121 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t117, i32 0, i32 2
+  store { ptr, i64, i64 } zeroinitializer, ptr %t121
+  br label %map.have10772
+map.have10772:
+  %t122 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t117, i32 0, i32 2
+  %t123 = load { ptr, i64, i64 }, ptr %t122
+  store { ptr, i64, i64 } %t109, ptr %t122
+  store { ptr, i64, i64 } %t123, ptr %a124
+  call void @finch_str_drop(ptr %a124)
+  %t125 = load { ptr, i64, i64 }, ptr %a98
   call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t125)
-  br label %endif10258
-endif10258:
-  br label %match.end10236
-match.next10255:
+  br label %endif10770
+endif10770:
+  call void @finch.drop.S_json_Json(ptr %a100)
+  call void @finch_str_drop(ptr %a98)
+  br label %match.end10755
+match.next10767:
   store { ptr, i64, i64 } %t10, ptr %a126
-  store { ptr, i64, i64 } { ptr @.str.6795, i64 21, i64 0 }, ptr %a127
+  store { ptr, i64, i64 } { ptr @.str.7007, i64 20, i64 0 }, ptr %a127
   %t128 = call i32 @finch_str_eq(ptr %a126, ptr %a127)
   %t129 = icmp ne i32 %t128, 0
-  br i1 %t129, label %match.arm10259, label %match.next10260
-match.arm10259:
+  br i1 %t129, label %match.arm10773, label %match.next10774
+match.arm10773:
   %t130 = load %S.json.Json, ptr %a7
   %t131 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t130)
   store { ptr, i64, i64 } %t131, ptr %a132
@@ -91044,245 +108757,381 @@ match.arm10259:
   store { ptr, i64, i64 } %t134, ptr %a135
   %t136 = call i64 @finch_map_find(ptr %t133, ptr %a135, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
   %t137 = icmp sge i64 %t136, 0
-  br i1 %t137, label %remove.hit10261, label %remove.end10262
-remove.hit10261:
-  call void @finch_map_remove_at(ptr %t133, i64 %t136, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64))
-  br label %remove.end10262
-remove.end10262:
-  %t138 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t139 = load { ptr, i64, i64 }, ptr %a132
-  store { ptr, i64, i64 } %t139, ptr %a140
-  %t141 = call i64 @finch_map_find(ptr %t138, ptr %a140, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t142 = icmp sge i64 %t141, 0
-  br i1 %t142, label %remove.hit10263, label %remove.end10264
-remove.hit10263:
-  call void @finch_map_remove_at(ptr %t138, i64 %t141, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
-  br label %remove.end10264
-remove.end10264:
-  %t143 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
-  %t144 = load { ptr, i64, i64 }, ptr %a132
+  br i1 %t137, label %then10775, label %endif10777
+then10775:
+  %t138 = load { ptr, i64, i64 }, ptr %a132
+  call void @finch.lsp.Server.analyse(ptr %self, { ptr, i64, i64 } %t138)
+  br label %endif10777
+endif10777:
+  call void @finch_str_drop(ptr %a132)
+  br label %match.end10755
+match.next10774:
+  store { ptr, i64, i64 } %t10, ptr %a139
+  store { ptr, i64, i64 } { ptr @.str.7008, i64 21, i64 0 }, ptr %a140
+  %t141 = call i32 @finch_str_eq(ptr %a139, ptr %a140)
+  %t142 = icmp ne i32 %t141, 0
+  br i1 %t142, label %match.arm10778, label %match.next10779
+match.arm10778:
+  %t143 = load %S.json.Json, ptr %a7
+  %t144 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t143)
   store { ptr, i64, i64 } %t144, ptr %a145
-  %t146 = call i64 @finch_map_find(ptr %t143, ptr %a145, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t147 = icmp sge i64 %t146, 0
-  br i1 %t147, label %remove.hit10265, label %remove.end10266
-remove.hit10265:
-  call void @finch_map_remove_at(ptr %t143, i64 %t146, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
-  br label %remove.end10266
-remove.end10266:
-  %t148 = call %S.json.Json @finch.json.new_object()
-  store %S.json.Json %t148, ptr %a149
-  %t150 = load { ptr, i64, i64 }, ptr %a132
-  %t151 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t150)
-  %t152 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t151)
-  call void @finch.json.Json.set(ptr %a149, { ptr, i64, i64 } { ptr @.str.6796, i64 3, i64 0 }, %S.json.Json %t152)
-  %t153 = call %S.json.Json @finch.json.new_list()
-  call void @finch.json.Json.set(ptr %a149, { ptr, i64, i64 } { ptr @.str.6797, i64 11, i64 0 }, %S.json.Json %t153)
-  %t154 = load %S.json.Json, ptr %a149
-  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.6798, i64 31, i64 0 }, %S.json.Json %t154)
-  br label %match.end10236
-match.next10260:
-  store { ptr, i64, i64 } %t10, ptr %a155
-  store { ptr, i64, i64 } { ptr @.str.6799, i64 18, i64 0 }, ptr %a156
-  %t157 = call i32 @finch_str_eq(ptr %a155, ptr %a156)
-  %t158 = icmp ne i32 %t157, 0
-  br i1 %t158, label %match.arm10267, label %match.or10269
-match.or10269:
-  store { ptr, i64, i64 } %t10, ptr %a159
-  store { ptr, i64, i64 } { ptr @.str.6800, i64 23, i64 0 }, ptr %a160
-  %t161 = call i32 @finch_str_eq(ptr %a159, ptr %a160)
-  %t162 = icmp ne i32 %t161, 0
-  br i1 %t162, label %match.arm10267, label %match.or10270
-match.or10270:
-  store { ptr, i64, i64 } %t10, ptr %a163
-  store { ptr, i64, i64 } { ptr @.str.6801, i64 23, i64 0 }, ptr %a164
-  %t165 = call i32 @finch_str_eq(ptr %a163, ptr %a164)
-  %t166 = icmp ne i32 %t165, 0
-  br i1 %t166, label %match.arm10267, label %match.or10271
-match.or10271:
-  store { ptr, i64, i64 } %t10, ptr %a167
-  store { ptr, i64, i64 } { ptr @.str.6802, i64 27, i64 0 }, ptr %a168
-  %t169 = call i32 @finch_str_eq(ptr %a167, ptr %a168)
-  %t170 = icmp ne i32 %t169, 0
-  br i1 %t170, label %match.arm10267, label %match.or10272
-match.or10272:
-  store { ptr, i64, i64 } %t10, ptr %a171
-  store { ptr, i64, i64 } { ptr @.str.6803, i64 26, i64 0 }, ptr %a172
-  %t173 = call i32 @finch_str_eq(ptr %a171, ptr %a172)
-  %t174 = icmp ne i32 %t173, 0
-  br i1 %t174, label %match.arm10267, label %match.next10268
-match.arm10267:
-  %t175 = load %S.json.Json, ptr %a7
-  %t176 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t175)
-  store { ptr, i64, i64 } %t176, ptr %a177
-  %t178 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.6804, i64 8, i64 0 })
-  store %S.json.Json %t178, ptr %a179
-  %t180 = call %S.json.Json @finch.json.Json.get(ptr %a179, { ptr, i64, i64 } { ptr @.str.6805, i64 4, i64 0 })
-  store %S.json.Json %t180, ptr %a181
-  %t182 = call i64 @finch.json.Json.int_or(ptr %a181, i64 0)
-  %t183 = add i64 %t182, 1
-  store i64 %t183, ptr %a184
-  %t185 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.6806, i64 8, i64 0 })
-  store %S.json.Json %t185, ptr %a186
-  %t187 = call %S.json.Json @finch.json.Json.get(ptr %a186, { ptr, i64, i64 } { ptr @.str.6807, i64 9, i64 0 })
-  store %S.json.Json %t187, ptr %a188
-  %t189 = call i64 @finch.json.Json.int_or(ptr %a188, i64 0)
-  %t190 = add i64 %t189, 1
-  store i64 %t190, ptr %a191
-  %t192 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t193 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t193, ptr %a194
-  %t195 = call i64 @finch_map_find(ptr %t192, ptr %a194, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t196 = icmp sge i64 %t195, 0
-  %t197 = xor i1 %t196, true
-  br i1 %t197, label %then10273, label %endif10275
-then10273:
-  %t198 = load %S.json.Json, ptr %a9
-  %t199 = call %S.json.Json @finch.json.new_null()
-  call void @finch.lsp.reply(%S.json.Json %t198, %S.json.Json %t199)
+  %t146 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t147 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t147, ptr %a148
+  %t149 = call i64 @finch_map_find(ptr %t146, ptr %a148, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t150 = icmp sge i64 %t149, 0
+  br i1 %t150, label %remove.hit10780, label %remove.end10781
+remove.hit10780:
+  %t151 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t146, i32 0, i32 0
+  %t152 = load ptr, ptr %t151
+  %t153 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t152, i64 %t149
+  %t154 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t153, i32 0, i32 1
+  call void @finch_str_drop(ptr %t154)
+  %t155 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t153, i32 0, i32 2
+  call void @finch_str_drop(ptr %t155)
+  call void @finch_map_remove_at(ptr %t146, i64 %t149, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64))
+  br label %remove.end10781
+remove.end10781:
+  %t156 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t157 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t157, ptr %a158
+  %t159 = call i64 @finch_map_find(ptr %t156, ptr %a158, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t160 = icmp sge i64 %t159, 0
+  br i1 %t160, label %remove.hit10782, label %remove.end10783
+remove.hit10782:
+  %t161 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t156, i32 0, i32 0
+  %t162 = load ptr, ptr %t161
+  %t163 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t162, i64 %t159
+  %t164 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t163, i32 0, i32 1
+  call void @finch_str_drop(ptr %t164)
+  %t165 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t163, i32 0, i32 2
+  call void @finch.drop.S_lsp_Analysis(ptr %t165)
+  call void @finch_map_remove_at(ptr %t156, i64 %t159, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
+  br label %remove.end10783
+remove.end10783:
+  %t166 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 4
+  %t167 = load { ptr, i64, i64 }, ptr %a145
+  store { ptr, i64, i64 } %t167, ptr %a168
+  %t169 = call i64 @finch_map_find(ptr %t166, ptr %a168, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t170 = icmp sge i64 %t169, 0
+  br i1 %t170, label %remove.hit10784, label %remove.end10785
+remove.hit10784:
+  %t171 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t166, i32 0, i32 0
+  %t172 = load ptr, ptr %t171
+  %t173 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t172, i64 %t169
+  %t174 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t173, i32 0, i32 1
+  call void @finch_str_drop(ptr %t174)
+  %t175 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t173, i32 0, i32 2
+  call void @finch.drop.S_lsp_Analysis(ptr %t175)
+  call void @finch_map_remove_at(ptr %t166, i64 %t169, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64))
+  br label %remove.end10785
+remove.end10785:
+  %t176 = call %S.json.Json @finch.json.new_object()
+  store %S.json.Json %t176, ptr %a177
+  %t178 = load { ptr, i64, i64 }, ptr %a145
+  %t179 = call { ptr, i64, i64 } @finch.lsp.pathToUri({ ptr, i64, i64 } %t178)
+  %t180 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t179)
+  store { ptr, i64, i64 } %t179, ptr %a181
+  call void @finch_str_drop(ptr %a181)
+  call void @finch.json.Json.set(ptr %a177, { ptr, i64, i64 } { ptr @.str.7009, i64 3, i64 0 }, %S.json.Json %t180)
+  store %S.json.Json %t180, ptr %a182
+  call void @finch.drop.S_json_Json(ptr %a182)
+  %t183 = call %S.json.Json @finch.json.new_list()
+  call void @finch.json.Json.set(ptr %a177, { ptr, i64, i64 } { ptr @.str.7010, i64 11, i64 0 }, %S.json.Json %t183)
+  store %S.json.Json %t183, ptr %a184
+  call void @finch.drop.S_json_Json(ptr %a184)
+  %t185 = load %S.json.Json, ptr %a177
+  call void @finch.lsp.notify({ ptr, i64, i64 } { ptr @.str.7011, i64 31, i64 0 }, %S.json.Json %t185)
+  call void @finch.drop.S_json_Json(ptr %a177)
+  call void @finch_str_drop(ptr %a145)
+  br label %match.end10755
+match.next10779:
+  store { ptr, i64, i64 } %t10, ptr %a186
+  store { ptr, i64, i64 } { ptr @.str.7012, i64 18, i64 0 }, ptr %a187
+  %t188 = call i32 @finch_str_eq(ptr %a186, ptr %a187)
+  %t189 = icmp ne i32 %t188, 0
+  br i1 %t189, label %match.arm10786, label %match.or10788
+match.or10788:
+  store { ptr, i64, i64 } %t10, ptr %a190
+  store { ptr, i64, i64 } { ptr @.str.7013, i64 23, i64 0 }, ptr %a191
+  %t192 = call i32 @finch_str_eq(ptr %a190, ptr %a191)
+  %t193 = icmp ne i32 %t192, 0
+  br i1 %t193, label %match.arm10786, label %match.or10789
+match.or10789:
+  store { ptr, i64, i64 } %t10, ptr %a194
+  store { ptr, i64, i64 } { ptr @.str.7014, i64 23, i64 0 }, ptr %a195
+  %t196 = call i32 @finch_str_eq(ptr %a194, ptr %a195)
+  %t197 = icmp ne i32 %t196, 0
+  br i1 %t197, label %match.arm10786, label %match.or10790
+match.or10790:
+  store { ptr, i64, i64 } %t10, ptr %a198
+  store { ptr, i64, i64 } { ptr @.str.7015, i64 27, i64 0 }, ptr %a199
+  %t200 = call i32 @finch_str_eq(ptr %a198, ptr %a199)
+  %t201 = icmp ne i32 %t200, 0
+  br i1 %t201, label %match.arm10786, label %match.or10791
+match.or10791:
+  store { ptr, i64, i64 } %t10, ptr %a202
+  store { ptr, i64, i64 } { ptr @.str.7016, i64 26, i64 0 }, ptr %a203
+  %t204 = call i32 @finch_str_eq(ptr %a202, ptr %a203)
+  %t205 = icmp ne i32 %t204, 0
+  br i1 %t205, label %match.arm10786, label %match.next10787
+match.arm10786:
+  %t206 = load %S.json.Json, ptr %a7
+  %t207 = call { ptr, i64, i64 } @finch.lsp.pathOf(%S.json.Json %t206)
+  store { ptr, i64, i64 } %t207, ptr %a208
+  %t209 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.7017, i64 8, i64 0 })
+  store %S.json.Json %t209, ptr %a210
+  %t211 = call %S.json.Json @finch.json.Json.get(ptr %a210, { ptr, i64, i64 } { ptr @.str.7018, i64 4, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a210)
+  store %S.json.Json %t211, ptr %a212
+  %t213 = call i64 @finch.json.Json.int_or(ptr %a212, i64 0)
+  call void @finch.drop.S_json_Json(ptr %a212)
+  %t214 = add i64 %t213, 1
+  store i64 %t214, ptr %a215
+  %t216 = call %S.json.Json @finch.json.Json.get(ptr %a7, { ptr, i64, i64 } { ptr @.str.7019, i64 8, i64 0 })
+  store %S.json.Json %t216, ptr %a217
+  %t218 = call %S.json.Json @finch.json.Json.get(ptr %a217, { ptr, i64, i64 } { ptr @.str.7020, i64 9, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a217)
+  store %S.json.Json %t218, ptr %a219
+  %t220 = call i64 @finch.json.Json.int_or(ptr %a219, i64 0)
+  call void @finch.drop.S_json_Json(ptr %a219)
+  %t221 = add i64 %t220, 1
+  store i64 %t221, ptr %a222
+  %t223 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t224 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t224, ptr %a225
+  %t226 = call i64 @finch_map_find(ptr %t223, ptr %a225, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t227 = icmp sge i64 %t226, 0
+  %t228 = xor i1 %t227, true
+  br i1 %t228, label %then10792, label %endif10794
+then10792:
+  %t229 = load %S.json.Json, ptr %a9
+  %t230 = call %S.json.Json @finch.json.new_null()
+  call void @finch.lsp.reply(%S.json.Json %t229, %S.json.Json %t230)
+  store %S.json.Json %t230, ptr %a231
+  call void @finch.drop.S_json_Json(ptr %a231)
+  call void @finch_str_drop(ptr %a208)
+  call void @finch.drop.S_json_Json(ptr %a9)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  call void @finch_str_drop(ptr %a5)
   ret void
-endif10275:
-  %t200 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
-  %t201 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t201, ptr %a202
-  %t203 = call i64 @finch_map_find(ptr %t200, ptr %a202, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t204 = icmp slt i64 %t203, 0
-  br i1 %t204, label %map.missing10276, label %map.found10277
-map.missing10276:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a205
-  store { ptr, i64, i64 } %t201, ptr %a206
-  call void @finch_buf_str(ptr %a205, ptr %a206, i32 1)
-  call void @finch_map_missing(ptr @.str.6808, i64 842, ptr %a205)
-  unreachable
-map.found10277:
-  %t207 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t200, i32 0, i32 0
-  %t208 = load ptr, ptr %t207
-  %t209 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t208, i64 %t203
-  %t210 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t209, i32 0, i32 2
-  %t211 = load %S.lsp.Analysis, ptr %t210
-  store %S.lsp.Analysis %t211, ptr %a212
-  call void @finch.copy.S_lsp_Analysis(ptr %a213, ptr %a212)
-  %t214 = load %S.lsp.Analysis, ptr %a213
-  store %S.lsp.Analysis %t214, ptr %a215
-  store { ptr, i64, i64 } { ptr @.str.6809, i64 0, i64 0 }, ptr %a216
-  %t217 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t218 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t218, ptr %a219
-  %t220 = call i64 @finch_map_find(ptr %t217, ptr %a219, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t221 = icmp sge i64 %t220, 0
-  br i1 %t221, label %then10278, label %endif10280
-then10278:
-  %t222 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
-  %t223 = load { ptr, i64, i64 }, ptr %a177
-  store { ptr, i64, i64 } %t223, ptr %a224
-  %t225 = call i64 @finch_map_find(ptr %t222, ptr %a224, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
-  %t226 = icmp slt i64 %t225, 0
-  br i1 %t226, label %map.missing10281, label %map.found10282
-map.missing10281:
-  store { ptr, i64, i64 } zeroinitializer, ptr %a227
-  store { ptr, i64, i64 } %t223, ptr %a228
-  call void @finch_buf_str(ptr %a227, ptr %a228, i32 1)
-  call void @finch_map_missing(ptr @.str.6810, i64 845, ptr %a227)
-  unreachable
-map.found10282:
-  %t229 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t222, i32 0, i32 0
-  %t230 = load ptr, ptr %t229
-  %t231 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t230, i64 %t225
-  %t232 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t231, i32 0, i32 2
-  %t233 = load { ptr, i64, i64 }, ptr %t232
+endif10794:
+  %t232 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 3
+  %t233 = load { ptr, i64, i64 }, ptr %a208
   store { ptr, i64, i64 } %t233, ptr %a234
-  call void @finch_str_copy(ptr %a235, ptr %a234)
-  %t236 = load { ptr, i64, i64 }, ptr %a235
-  store { ptr, i64, i64 } %t236, ptr %a216
-  br label %endif10280
-endif10280:
-  %t237 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t237, ptr %a238
-  store { ptr, i64, i64 } { ptr @.str.6811, i64 18, i64 0 }, ptr %a239
-  %t240 = call i32 @finch_str_eq(ptr %a238, ptr %a239)
-  %t241 = icmp ne i32 %t240, 0
-  br i1 %t241, label %match.arm10284, label %match.next10285
-match.arm10284:
-  %t242 = load %S.json.Json, ptr %a9
-  %t243 = load %S.lsp.Analysis, ptr %a215
-  %t244 = load { ptr, i64, i64 }, ptr %a177
-  %t245 = load i64, ptr %a184
-  %t246 = load i64, ptr %a191
-  %t247 = call %S.json.Json @finch.lsp.hoverAt(%S.lsp.Analysis %t243, { ptr, i64, i64 } %t244, i64 %t245, i64 %t246)
-  call void @finch.lsp.reply(%S.json.Json %t242, %S.json.Json %t247)
-  br label %match.end10283
-match.next10285:
-  store { ptr, i64, i64 } %t237, ptr %a248
-  store { ptr, i64, i64 } { ptr @.str.6812, i64 23, i64 0 }, ptr %a249
-  %t250 = call i32 @finch_str_eq(ptr %a248, ptr %a249)
-  %t251 = icmp ne i32 %t250, 0
-  br i1 %t251, label %match.arm10286, label %match.next10287
-match.arm10286:
-  %t252 = load %S.json.Json, ptr %a9
-  %t253 = load %S.lsp.Analysis, ptr %a215
-  %t254 = load { ptr, i64, i64 }, ptr %a177
-  %t255 = load i64, ptr %a184
-  %t256 = load i64, ptr %a191
-  %t257 = call %S.json.Json @finch.lsp.definitionAt(%S.lsp.Analysis %t253, { ptr, i64, i64 } %t254, i64 %t255, i64 %t256)
-  call void @finch.lsp.reply(%S.json.Json %t252, %S.json.Json %t257)
-  br label %match.end10283
-match.next10287:
-  store { ptr, i64, i64 } %t237, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.6813, i64 23, i64 0 }, ptr %a259
-  %t260 = call i32 @finch_str_eq(ptr %a258, ptr %a259)
-  %t261 = icmp ne i32 %t260, 0
-  br i1 %t261, label %match.arm10288, label %match.next10289
-match.arm10288:
-  %t262 = load %S.json.Json, ptr %a9
-  %t263 = load %S.lsp.Analysis, ptr %a215
-  %t264 = load { ptr, i64, i64 }, ptr %a216
-  %t265 = load { ptr, i64, i64 }, ptr %a177
-  %t266 = load i64, ptr %a184
-  %t267 = load i64, ptr %a191
-  %t268 = call %S.json.Json @finch.lsp.completionAt(%S.lsp.Analysis %t263, { ptr, i64, i64 } %t264, { ptr, i64, i64 } %t265, i64 %t266, i64 %t267)
-  call void @finch.lsp.reply(%S.json.Json %t262, %S.json.Json %t268)
-  br label %match.end10283
-match.next10289:
-  store { ptr, i64, i64 } %t237, ptr %a269
-  store { ptr, i64, i64 } { ptr @.str.6814, i64 27, i64 0 }, ptr %a270
-  %t271 = call i32 @finch_str_eq(ptr %a269, ptr %a270)
-  %t272 = icmp ne i32 %t271, 0
-  br i1 %t272, label %match.arm10290, label %match.next10291
-match.arm10290:
-  %t273 = load %S.json.Json, ptr %a9
-  %t274 = load %S.lsp.Analysis, ptr %a215
-  %t275 = load { ptr, i64, i64 }, ptr %a177
-  %t276 = call %S.json.Json @finch.lsp.symbolsOf(%S.lsp.Analysis %t274, { ptr, i64, i64 } %t275)
-  call void @finch.lsp.reply(%S.json.Json %t273, %S.json.Json %t276)
-  br label %match.end10283
-match.next10291:
-  br label %match.arm10292
-match.arm10292:
-  %t277 = load %S.json.Json, ptr %a9
-  %t278 = load %S.lsp.Analysis, ptr %a215
-  %t279 = load { ptr, i64, i64 }, ptr %a216
-  %t280 = load { ptr, i64, i64 }, ptr %a177
-  %t281 = load i64, ptr %a184
-  %t282 = load i64, ptr %a191
-  %t283 = call %S.json.Json @finch.lsp.signatureAt(%S.lsp.Analysis %t278, { ptr, i64, i64 } %t279, { ptr, i64, i64 } %t280, i64 %t281, i64 %t282)
-  call void @finch.lsp.reply(%S.json.Json %t277, %S.json.Json %t283)
-  br label %match.end10283
-match.end10283:
-  br label %match.end10236
-match.next10268:
-  br label %match.arm10294
-match.arm10294:
-  %t284 = getelementptr inbounds %S.json.Json, ptr %a9, i32 0, i32 0
-  %t285 = load i32, ptr %t284
+  %t235 = call i64 @finch_map_find(ptr %t232, ptr %a234, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t236 = icmp slt i64 %t235, 0
+  br i1 %t236, label %map.missing10795, label %map.found10796
+map.missing10795:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a237
+  store { ptr, i64, i64 } %t233, ptr %a238
+  call void @finch_buf_str(ptr %a237, ptr %a238, i32 1)
+  call void @finch_map_missing(ptr @.str.7021, i64 842, ptr %a237)
+  unreachable
+map.found10796:
+  %t239 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t232, i32 0, i32 0
+  %t240 = load ptr, ptr %t239
+  %t241 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t240, i64 %t235
+  %t242 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t241, i32 0, i32 2
+  %t243 = load %S.lsp.Analysis, ptr %t242
+  store %S.lsp.Analysis %t243, ptr %a244
+  call void @finch.copy.S_lsp_Analysis(ptr %a245, ptr %a244)
+  %t246 = load %S.lsp.Analysis, ptr %a245
+  store %S.lsp.Analysis %t246, ptr %a247
+  store { ptr, i64, i64 } { ptr @.str.7022, i64 0, i64 0 }, ptr %a248
+  %t249 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t250 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t250, ptr %a251
+  %t252 = call i64 @finch_map_find(ptr %t249, ptr %a251, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t253 = icmp sge i64 %t252, 0
+  br i1 %t253, label %then10797, label %endif10799
+then10797:
+  %t254 = getelementptr inbounds %S.lsp.Server, ptr %self, i32 0, i32 2
+  %t255 = load { ptr, i64, i64 }, ptr %a208
+  store { ptr, i64, i64 } %t255, ptr %a256
+  %t257 = call i64 @finch_map_find(ptr %t254, ptr %a256, i64 ptrtoint (ptr getelementptr ({ i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr null, i32 1) to i64), i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64), i32 1)
+  %t258 = icmp slt i64 %t257, 0
+  br i1 %t258, label %map.missing10800, label %map.found10801
+map.missing10800:
+  store { ptr, i64, i64 } zeroinitializer, ptr %a259
+  store { ptr, i64, i64 } %t255, ptr %a260
+  call void @finch_buf_str(ptr %a259, ptr %a260, i32 1)
+  call void @finch_map_missing(ptr @.str.7023, i64 845, ptr %a259)
+  unreachable
+map.found10801:
+  %t261 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %t254, i32 0, i32 0
+  %t262 = load ptr, ptr %t261
+  %t263 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t262, i64 %t257
+  %t264 = getelementptr inbounds { i64, { ptr, i64, i64 }, { ptr, i64, i64 } }, ptr %t263, i32 0, i32 2
+  %t265 = load { ptr, i64, i64 }, ptr %t264
+  store { ptr, i64, i64 } %t265, ptr %a266
+  call void @finch_str_copy(ptr %a267, ptr %a266)
+  %t268 = load { ptr, i64, i64 }, ptr %a267
+  %t269 = load { ptr, i64, i64 }, ptr %a248
+  store { ptr, i64, i64 } %t268, ptr %a248
+  store { ptr, i64, i64 } %t269, ptr %a270
+  call void @finch_str_drop(ptr %a270)
+  br label %endif10799
+endif10799:
+  %t271 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t271, ptr %a272
+  store { ptr, i64, i64 } { ptr @.str.7024, i64 18, i64 0 }, ptr %a273
+  %t274 = call i32 @finch_str_eq(ptr %a272, ptr %a273)
+  %t275 = icmp ne i32 %t274, 0
+  br i1 %t275, label %match.arm10803, label %match.next10804
+match.arm10803:
+  %t276 = load %S.json.Json, ptr %a9
+  %t277 = load %S.lsp.Analysis, ptr %a247
+  %t278 = load { ptr, i64, i64 }, ptr %a208
+  %t279 = load i64, ptr %a215
+  %t280 = load i64, ptr %a222
+  %t281 = call %S.json.Json @finch.lsp.hoverAt(%S.lsp.Analysis %t277, { ptr, i64, i64 } %t278, i64 %t279, i64 %t280)
+  call void @finch.lsp.reply(%S.json.Json %t276, %S.json.Json %t281)
+  store %S.json.Json %t281, ptr %a282
+  call void @finch.drop.S_json_Json(ptr %a282)
+  br label %match.end10802
+match.next10804:
+  store { ptr, i64, i64 } %t271, ptr %a283
+  store { ptr, i64, i64 } { ptr @.str.7025, i64 23, i64 0 }, ptr %a284
+  %t285 = call i32 @finch_str_eq(ptr %a283, ptr %a284)
   %t286 = icmp ne i32 %t285, 0
-  br i1 %t286, label %then10296, label %endif10298
-then10296:
+  br i1 %t286, label %match.arm10805, label %match.next10806
+match.arm10805:
   %t287 = load %S.json.Json, ptr %a9
-  %t288 = call %S.json.Json @finch.json.new_null()
-  call void @finch.lsp.reply(%S.json.Json %t287, %S.json.Json %t288)
-  br label %endif10298
-endif10298:
-  br label %match.end10236
-match.end10236:
+  %t288 = load %S.lsp.Analysis, ptr %a247
+  %t289 = load { ptr, i64, i64 }, ptr %a208
+  %t290 = load i64, ptr %a215
+  %t291 = load i64, ptr %a222
+  %t292 = call %S.json.Json @finch.lsp.definitionAt(%S.lsp.Analysis %t288, { ptr, i64, i64 } %t289, i64 %t290, i64 %t291)
+  call void @finch.lsp.reply(%S.json.Json %t287, %S.json.Json %t292)
+  store %S.json.Json %t292, ptr %a293
+  call void @finch.drop.S_json_Json(ptr %a293)
+  br label %match.end10802
+match.next10806:
+  store { ptr, i64, i64 } %t271, ptr %a294
+  store { ptr, i64, i64 } { ptr @.str.7026, i64 23, i64 0 }, ptr %a295
+  %t296 = call i32 @finch_str_eq(ptr %a294, ptr %a295)
+  %t297 = icmp ne i32 %t296, 0
+  br i1 %t297, label %match.arm10807, label %match.next10808
+match.arm10807:
+  %t298 = load %S.json.Json, ptr %a9
+  %t299 = load %S.lsp.Analysis, ptr %a247
+  %t300 = load { ptr, i64, i64 }, ptr %a248
+  %t301 = load { ptr, i64, i64 }, ptr %a208
+  %t302 = load i64, ptr %a215
+  %t303 = load i64, ptr %a222
+  %t304 = call %S.json.Json @finch.lsp.completionAt(%S.lsp.Analysis %t299, { ptr, i64, i64 } %t300, { ptr, i64, i64 } %t301, i64 %t302, i64 %t303)
+  call void @finch.lsp.reply(%S.json.Json %t298, %S.json.Json %t304)
+  store %S.json.Json %t304, ptr %a305
+  call void @finch.drop.S_json_Json(ptr %a305)
+  br label %match.end10802
+match.next10808:
+  store { ptr, i64, i64 } %t271, ptr %a306
+  store { ptr, i64, i64 } { ptr @.str.7027, i64 27, i64 0 }, ptr %a307
+  %t308 = call i32 @finch_str_eq(ptr %a306, ptr %a307)
+  %t309 = icmp ne i32 %t308, 0
+  br i1 %t309, label %match.arm10809, label %match.next10810
+match.arm10809:
+  %t310 = load %S.json.Json, ptr %a9
+  %t311 = load %S.lsp.Analysis, ptr %a247
+  %t312 = load { ptr, i64, i64 }, ptr %a208
+  %t313 = call %S.json.Json @finch.lsp.symbolsOf(%S.lsp.Analysis %t311, { ptr, i64, i64 } %t312)
+  call void @finch.lsp.reply(%S.json.Json %t310, %S.json.Json %t313)
+  store %S.json.Json %t313, ptr %a314
+  call void @finch.drop.S_json_Json(ptr %a314)
+  br label %match.end10802
+match.next10810:
+  br label %match.arm10811
+match.arm10811:
+  %t315 = load %S.json.Json, ptr %a9
+  %t316 = load %S.lsp.Analysis, ptr %a247
+  %t317 = load { ptr, i64, i64 }, ptr %a248
+  %t318 = load { ptr, i64, i64 }, ptr %a208
+  %t319 = load i64, ptr %a215
+  %t320 = load i64, ptr %a222
+  %t321 = call %S.json.Json @finch.lsp.signatureAt(%S.lsp.Analysis %t316, { ptr, i64, i64 } %t317, { ptr, i64, i64 } %t318, i64 %t319, i64 %t320)
+  call void @finch.lsp.reply(%S.json.Json %t315, %S.json.Json %t321)
+  store %S.json.Json %t321, ptr %a322
+  call void @finch.drop.S_json_Json(ptr %a322)
+  br label %match.end10802
+match.end10802:
+  call void @finch_str_drop(ptr %a248)
+  call void @finch.drop.S_lsp_Analysis(ptr %a247)
+  call void @finch_str_drop(ptr %a208)
+  br label %match.end10755
+match.next10787:
+  br label %match.arm10813
+match.arm10813:
+  %t323 = getelementptr inbounds %S.json.Json, ptr %a9, i32 0, i32 0
+  %t324 = load i32, ptr %t323
+  %t325 = icmp ne i32 %t324, 0
+  br i1 %t325, label %then10815, label %endif10817
+then10815:
+  %t326 = load %S.json.Json, ptr %a9
+  %t327 = call %S.json.Json @finch.json.new_null()
+  call void @finch.lsp.reply(%S.json.Json %t326, %S.json.Json %t327)
+  store %S.json.Json %t327, ptr %a328
+  call void @finch.drop.S_json_Json(ptr %a328)
+  br label %endif10817
+endif10817:
+  br label %match.end10755
+match.end10755:
+  call void @finch.drop.S_json_Json(ptr %a9)
+  call void @finch.drop.S_json_Json(ptr %a7)
+  call void @finch_str_drop(ptr %a5)
+  ret void
+}
+
+define internal void @finch.drop.map_str_S_lsp_Analysis(ptr %a) {
+entry:
+  %a3 = alloca i64, align 16
+  %t1 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 2
+  %t2 = load i64, ptr %t1
+  store i64 0, ptr %a3
+  br label %n.cond10823
+n.cond10823:
+  %t4 = load i64, ptr %a3
+  %t5 = icmp slt i64 %t4, %t2
+  br i1 %t5, label %n.body10824, label %n.end10825
+n.body10824:
+  %t6 = getelementptr inbounds { ptr, i64, i64, i64, ptr, i64, i64 }, ptr %a, i32 0, i32 0
+  %t7 = load ptr, ptr %t6
+  %t8 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t7, i64 %t4
+  %t9 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t8, i32 0, i32 0
+  %t10 = load i64, ptr %t9
+  %t11 = icmp ne i64 %t10, 0
+  br i1 %t11, label %entry.live10826, label %entry.next10827
+entry.live10826:
+  %t12 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t8, i32 0, i32 1
+  call void @finch_str_drop(ptr %t12)
+  %t13 = getelementptr inbounds { i64, { ptr, i64, i64 }, %S.lsp.Analysis }, ptr %t8, i32 0, i32 2
+  call void @finch.drop.S_lsp_Analysis(ptr %t13)
+  br label %entry.next10827
+entry.next10827:
+  %t14 = load i64, ptr %a3
+  %t15 = add i64 %t14, 1
+  store i64 %t15, ptr %a3
+  br label %n.cond10823
+n.end10825:
+  call void @finch_map_free(ptr %a)
+  ret void
+}
+
+define internal void @finch.drop.S_lsp_Server(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  %t2 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 1
+  call void @finch_str_drop(ptr %t2)
+  %t3 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 2
+  call void @finch.drop.map_str_str(ptr %t3)
+  %t4 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 3
+  call void @finch.drop.map_str_S_lsp_Analysis(ptr %t4)
+  %t5 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 4
+  call void @finch.drop.map_str_S_lsp_Analysis(ptr %t5)
+  %t6 = getelementptr inbounds %S.lsp.Server, ptr %a, i32 0, i32 5
+  call void @finch.drop.arr_str(ptr %t6)
   ret void
 }
 
@@ -91291,69 +109140,71 @@ entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
   %a3 = alloca { ptr, i64, i64 }, align 16
   %a4 = alloca { ptr, i64, i64 }, align 16
+  %a8 = alloca { ptr, i64, i64 }, align 16
   %a9 = alloca { ptr, i64, i64 }, align 16
+  %a10 = alloca { ptr, i64, i64 }, align 16
   %a11 = alloca { ptr, i64, i64 }, align 16
-  %a12 = alloca { ptr, i64, i64 }, align 16
-  %a13 = alloca { ptr, i64, i64 }, align 16
-  %a16 = alloca %S.lsp.Server, align 16
-  %a22 = alloca { ptr, i64, i64 }, align 16
-  %a23 = alloca %S.json.Json, align 16
-  %a27 = alloca { ptr, i64, i64 }, align 16
-  %a28 = alloca { ptr, i64, i64 }, align 16
+  %a14 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
+  %a20 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca %S.lsp.Server, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a31 = alloca { ptr, i64, i64 }, align 16
-  %a32 = alloca { ptr, i64, i64 }, align 16
-  %a33 = alloca { ptr, i64, i64 }, align 16
-  %a35 = alloca { ptr, i64, i64 }, align 16
-  %a36 = alloca { ptr, i64, i64 }, align 16
+  %a30 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
+  call void @finch.host.binaryStdio()
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
   call void @finch_str_copy(ptr %a4, ptr %a3)
   %t5 = load { ptr, i64, i64 }, ptr %a4
   %t6 = insertvalue %S.lsp.Server zeroinitializer, { ptr, i64, i64 } %t5, 0
-  %t7 = call i32 @getpid()
-  %t8 = sext i32 %t7 to i64
-  call void @finch_str_from_int(ptr %a9, i64 %t8)
-  %t10 = load { ptr, i64, i64 }, ptr %a9
-  store { ptr, i64, i64 } { ptr @.str.6815, i64 15, i64 0 }, ptr %a12
-  store { ptr, i64, i64 } %t10, ptr %a13
-  call void @finch_str_concat(ptr %a11, ptr %a12, ptr %a13)
-  %t14 = load { ptr, i64, i64 }, ptr %a11
-  %t15 = insertvalue %S.lsp.Server %t6, { ptr, i64, i64 } %t14, 1
-  store %S.lsp.Server %t15, ptr %a16
-  br label %while.cond10299
-while.cond10299:
-  br label %while.body10300
-while.body10300:
-  %t17 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.lsp.readMessage()
-  %t18 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t17, 0
-  %t19 = xor i1 %t18, true
-  %t20 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t17, 2
-  %t21 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t17, 1
-  br i1 %t19, label %or.failed10302, label %or.ok10303
-or.failed10302:
-  store { ptr, i64, i64 } %t20, ptr %a22
-  br label %while.end10301
-or.ok10303:
-  store %S.json.Json %t21, ptr %a23
-  %t24 = load %S.json.Json, ptr %a23
-  call void @finch.lsp.Server.answer(ptr %a16, %S.json.Json %t24)
-  br label %while.cond10299
-while.end10301:
-  %t25 = getelementptr inbounds %S.lsp.Server, ptr %a16, i32 0, i32 1
-  %t26 = load { ptr, i64, i64 }, ptr %t25
-  store { ptr, i64, i64 } { ptr @.str.6816, i64 8, i64 0 }, ptr %a28
-  store { ptr, i64, i64 } %t26, ptr %a29
-  call void @finch_str_concat(ptr %a27, ptr %a28, ptr %a29)
-  %t30 = load { ptr, i64, i64 }, ptr %a27
-  store { ptr, i64, i64 } %t30, ptr %a32
-  store { ptr, i64, i64 } { ptr @.str.6817, i64 1, i64 0 }, ptr %a33
-  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
-  %t34 = load { ptr, i64, i64 }, ptr %a31
-  store { ptr, i64, i64 } %t34, ptr %a36
-  call void @finch_str_copy(ptr %a35, ptr %a36)
-  %t37 = call i64 @finch_shell(ptr %a35)
+  %t7 = call { ptr, i64, i64 } @finch.host.tempDir()
+  store { ptr, i64, i64 } %t7, ptr %a9
+  store { ptr, i64, i64 } { ptr @.str.7028, i64 11, i64 0 }, ptr %a10
+  call void @finch_str_concat(ptr %a8, ptr %a9, ptr %a10)
+  store { ptr, i64, i64 } %t7, ptr %a11
+  call void @finch_str_drop(ptr %a11)
+  %t12 = load { ptr, i64, i64 }, ptr %a8
+  %t13 = call i64 @finch.host.pid()
+  call void @finch_str_from_int(ptr %a14, i64 %t13)
+  %t15 = load { ptr, i64, i64 }, ptr %a14
+  store { ptr, i64, i64 } %t12, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  store { ptr, i64, i64 } %t12, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  store { ptr, i64, i64 } %t15, ptr %a20
+  call void @finch_str_drop(ptr %a20)
+  %t21 = load { ptr, i64, i64 }, ptr %a16
+  %t22 = insertvalue %S.lsp.Server %t6, { ptr, i64, i64 } %t21, 1
+  store %S.lsp.Server %t22, ptr %a23
+  br label %while.cond10818
+while.cond10818:
+  br label %while.body10819
+while.body10819:
+  %t24 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.lsp.readMessage()
+  %t25 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, 0
+  %t26 = xor i1 %t25, true
+  %t27 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, 2
+  %t28 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, 1
+  br i1 %t26, label %or.failed10821, label %or.ok10822
+or.failed10821:
+  store { ptr, i64, i64 } %t27, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  br label %while.end10820
+or.ok10822:
+  store %S.json.Json %t28, ptr %a30
+  %t31 = load %S.json.Json, ptr %a30
+  call void @finch.lsp.Server.answer(ptr %a23, %S.json.Json %t31)
+  call void @finch.drop.S_json_Json(ptr %a30)
+  br label %while.cond10818
+while.end10820:
+  %t32 = getelementptr inbounds %S.lsp.Server, ptr %a23, i32 0, i32 1
+  %t33 = load { ptr, i64, i64 }, ptr %t32
+  call void @finch.host.removeTree({ ptr, i64, i64 } %t33)
+  call void @finch.drop.S_lsp_Server(ptr %a23)
   ret i64 0
 }
 
@@ -91428,35 +109279,35 @@ entry:
   %t1 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t2 = load i32, ptr %t1
   %t3 = icmp eq i32 %t2, 4
-  br i1 %t3, label %match.arm10305, label %match.or10307
-match.or10307:
+  br i1 %t3, label %match.arm10829, label %match.or10831
+match.or10831:
   %t4 = icmp eq i32 %t2, 5
-  br i1 %t4, label %match.arm10305, label %match.next10306
-match.arm10305:
+  br i1 %t4, label %match.arm10829, label %match.next10830
+match.arm10829:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
-  br label %match.from10308
-match.from10308:
-  br label %match.end10304
-match.next10306:
+  br label %match.from10832
+match.from10832:
+  br label %match.end10828
+match.next10830:
   %t8 = icmp eq i32 %t2, 3
-  br i1 %t8, label %match.arm10309, label %match.next10310
-match.arm10309:
+  br i1 %t8, label %match.arm10833, label %match.next10834
+match.arm10833:
   %t9 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 3
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t11 = load i64, ptr %t10
-  br label %match.from10311
-match.from10311:
-  br label %match.end10304
-match.next10310:
-  br label %match.arm10312
-match.arm10312:
-  br label %match.from10314
-match.from10314:
-  br label %match.end10304
-match.end10304:
-  %t12 = phi i64 [ %t7, %match.from10308 ], [ %t11, %match.from10311 ], [ 0, %match.from10314 ]
+  br label %match.from10835
+match.from10835:
+  br label %match.end10828
+match.next10834:
+  br label %match.arm10836
+match.arm10836:
+  br label %match.from10838
+match.from10838:
+  br label %match.end10828
+match.end10828:
+  %t12 = phi i64 [ %t7, %match.from10832 ], [ %t11, %match.from10835 ], [ 0, %match.from10838 ]
   ret i64 %t12
 }
 
@@ -91471,10 +109322,10 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 5
-  br label %logic.from10315
-logic.from10315:
-  br i1 %t4, label %logic.rhs10316, label %logic.end10317
-logic.rhs10316:
+  br label %logic.from10839
+logic.from10839:
+  br i1 %t4, label %logic.rhs10840, label %logic.end10841
+logic.rhs10840:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load { ptr, i64, i64 }, ptr %a1
@@ -91482,37 +109333,80 @@ logic.rhs10316:
   %t9 = load i64, ptr %t6
   %t10 = load ptr, ptr %t5
   store i64 0, ptr %a11
-  br label %find.cond10318
-find.cond10318:
+  br label %find.cond10842
+find.cond10842:
   %t12 = load i64, ptr %a11
   %t13 = icmp slt i64 %t12, %t9
-  br i1 %t13, label %find.body10319, label %find.end10322
-find.body10319:
+  br i1 %t13, label %find.body10843, label %find.end10846
+find.body10843:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t12
   %t15 = load { ptr, i64, i64 }, ptr %t14
   store { ptr, i64, i64 } %t15, ptr %a16
   store { ptr, i64, i64 } %t7, ptr %a17
   %t18 = call i32 @finch_str_eq(ptr %a16, ptr %a17)
   %t19 = icmp ne i32 %t18, 0
-  br i1 %t19, label %find.hit10320, label %find.next10321
-find.hit10320:
+  br i1 %t19, label %find.hit10844, label %find.next10845
+find.hit10844:
   store i64 %t12, ptr %a8
-  br label %find.end10322
-find.next10321:
+  br label %find.end10846
+find.next10845:
   %t20 = add i64 %t12, 1
   store i64 %t20, ptr %a11
-  br label %find.cond10318
-find.end10322:
+  br label %find.cond10842
+find.end10846:
   %t21 = load i64, ptr %a8
   %t22 = icmp sge i64 %t21, 0
-  br label %logic.rend10323
-logic.rend10323:
-  br label %logic.end10317
-logic.end10317:
-  %t23 = phi i1 [ false, %logic.from10315 ], [ %t22, %logic.rend10323 ]
+  br label %logic.rend10847
+logic.rend10847:
+  br label %logic.end10841
+logic.end10841:
+  %t23 = phi i1 [ false, %logic.from10839 ], [ %t22, %logic.rend10847 ]
   ret i1 %t23
 }
 
+define internal void @finch.copy.arr_S_json_Json(ptr %dst, ptr %src) {
+entry:
+  %a5 = alloca i64, align 16
+  call void @finch_arr_clone_raw(ptr %dst, ptr %src, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
+  %t1 = load ptr, ptr %dst
+  %t2 = load ptr, ptr %src
+  %t3 = getelementptr inbounds { ptr, i64, i64 }, ptr %src, i32 0, i32 1
+  %t4 = load i64, ptr %t3
+  store i64 0, ptr %a5
+  br label %n.cond10861
+n.cond10861:
+  %t6 = load i64, ptr %a5
+  %t7 = icmp slt i64 %t6, %t4
+  br i1 %t7, label %n.body10862, label %n.end10863
+n.body10862:
+  %t8 = getelementptr inbounds %S.json.Json, ptr %t1, i64 %t6
+  %t9 = getelementptr inbounds %S.json.Json, ptr %t2, i64 %t6
+  call void @finch.copy.S_json_Json(ptr %t8, ptr %t9)
+  %t10 = load i64, ptr %a5
+  %t11 = add i64 %t10, 1
+  store i64 %t11, ptr %a5
+  br label %n.cond10861
+n.end10863:
+  ret void
+}
+
+define internal void @finch.copy.S_json_Json(ptr %dst, ptr %src) {
+entry:
+
+  %t1 = load %S.json.Json, ptr %src
+  store %S.json.Json %t1, ptr %dst
+  %t2 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 3
+  %t3 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 3
+  call void @finch_str_copy(ptr %t2, ptr %t3)
+  %t4 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 4
+  %t5 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 4
+  call void @finch.copy.arr_S_json_Json(ptr %t4, ptr %t5)
+  %t6 = getelementptr inbounds %S.json.Json, ptr %dst, i32 0, i32 5
+  %t7 = getelementptr inbounds %S.json.Json, ptr %src, i32 0, i32 5
+  call void @finch.copy.arr_str(ptr %t6, ptr %t7)
+  ret void
+}
+
 define internal %S.json.Json @finch.json.Json.get(ptr %self, { ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -91527,11 +109421,11 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp ne i32 %t3, 5
-  br i1 %t4, label %then10324, label %endif10326
-then10324:
+  br i1 %t4, label %then10848, label %endif10850
+then10848:
   %t5 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t5
-endif10326:
+endif10850:
   %t6 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
   %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %t6, i32 0, i32 1
   %t8 = load { ptr, i64, i64 }, ptr %a1
@@ -91539,46 +109433,46 @@ endif10326:
   %t10 = load i64, ptr %t7
   %t11 = load ptr, ptr %t6
   store i64 0, ptr %a12
-  br label %find.cond10327
-find.cond10327:
+  br label %find.cond10851
+find.cond10851:
   %t13 = load i64, ptr %a12
   %t14 = icmp slt i64 %t13, %t10
-  br i1 %t14, label %find.body10328, label %find.end10331
-find.body10328:
+  br i1 %t14, label %find.body10852, label %find.end10855
+find.body10852:
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t11, i64 %t13
   %t16 = load { ptr, i64, i64 }, ptr %t15
   store { ptr, i64, i64 } %t16, ptr %a17
   store { ptr, i64, i64 } %t8, ptr %a18
   %t19 = call i32 @finch_str_eq(ptr %a17, ptr %a18)
   %t20 = icmp ne i32 %t19, 0
-  br i1 %t20, label %find.hit10329, label %find.next10330
-find.hit10329:
+  br i1 %t20, label %find.hit10853, label %find.next10854
+find.hit10853:
   store i64 %t13, ptr %a9
-  br label %find.end10331
-find.next10330:
+  br label %find.end10855
+find.next10854:
   %t21 = add i64 %t13, 1
   store i64 %t21, ptr %a12
-  br label %find.cond10327
-find.end10331:
+  br label %find.cond10851
+find.end10855:
   %t22 = load i64, ptr %a9
   store i64 %t22, ptr %a23
   %t24 = load i64, ptr %a23
   %t25 = icmp slt i64 %t24, 0
-  br i1 %t25, label %then10332, label %endif10334
-then10332:
+  br i1 %t25, label %then10856, label %endif10858
+then10856:
   %t26 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t26
-endif10334:
+endif10858:
   %t27 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t28 = load i64, ptr %a23
   %t29 = load { ptr, i64, i64 }, ptr %t27
   %t30 = extractvalue { ptr, i64, i64 } %t29, 1
   %t31 = icmp uge i64 %t28, %t30
-  br i1 %t31, label %range10335, label %inrange10336
-range10335:
-  call void @finch_panic_index(ptr @.str.6818, i64 84, i64 %t28, i64 %t30)
+  br i1 %t31, label %range10859, label %inrange10860
+range10859:
+  call void @finch_panic_index(ptr @.str.7029, i64 84, i64 %t28, i64 %t30)
   unreachable
-inrange10336:
+inrange10860:
   %t32 = extractvalue { ptr, i64, i64 } %t29, 0
   %t33 = getelementptr inbounds %S.json.Json, ptr %t32, i64 %t28
   %t34 = load %S.json.Json, ptr %t33
@@ -91597,46 +109491,46 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp ne i32 %t3, 4
-  br label %logic.from10337
-logic.from10337:
-  br i1 %t4, label %logic.end10339, label %logic.rhs10338
-logic.rhs10338:
+  br label %logic.from10864
+logic.from10864:
+  br i1 %t4, label %logic.end10866, label %logic.rhs10865
+logic.rhs10865:
   %t5 = load i64, ptr %a1
   %t6 = icmp slt i64 %t5, 0
-  br label %logic.rend10340
-logic.rend10340:
-  br label %logic.end10339
-logic.end10339:
-  %t7 = phi i1 [ true, %logic.from10337 ], [ %t6, %logic.rend10340 ]
-  br label %logic.from10341
-logic.from10341:
-  br i1 %t7, label %logic.end10343, label %logic.rhs10342
-logic.rhs10342:
+  br label %logic.rend10867
+logic.rend10867:
+  br label %logic.end10866
+logic.end10866:
+  %t7 = phi i1 [ true, %logic.from10864 ], [ %t6, %logic.rend10867 ]
+  br label %logic.from10868
+logic.from10868:
+  br i1 %t7, label %logic.end10870, label %logic.rhs10869
+logic.rhs10869:
   %t8 = load i64, ptr %a1
   %t9 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = icmp sge i64 %t8, %t11
-  br label %logic.rend10344
-logic.rend10344:
-  br label %logic.end10343
-logic.end10343:
-  %t13 = phi i1 [ true, %logic.from10341 ], [ %t12, %logic.rend10344 ]
-  br i1 %t13, label %then10345, label %endif10347
-then10345:
+  br label %logic.rend10871
+logic.rend10871:
+  br label %logic.end10870
+logic.end10870:
+  %t13 = phi i1 [ true, %logic.from10868 ], [ %t12, %logic.rend10871 ]
+  br i1 %t13, label %then10872, label %endif10874
+then10872:
   %t14 = call %S.json.Json @finch.json.new_null()
   ret %S.json.Json %t14
-endif10347:
+endif10874:
   %t15 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t16 = load i64, ptr %a1
   %t17 = load { ptr, i64, i64 }, ptr %t15
   %t18 = extractvalue { ptr, i64, i64 } %t17, 1
   %t19 = icmp uge i64 %t16, %t18
-  br i1 %t19, label %range10348, label %inrange10349
-range10348:
-  call void @finch_panic_index(ptr @.str.6819, i64 92, i64 %t16, i64 %t18)
+  br i1 %t19, label %range10875, label %inrange10876
+range10875:
+  call void @finch_panic_index(ptr @.str.7030, i64 92, i64 %t16, i64 %t18)
   unreachable
-inrange10349:
+inrange10876:
   %t20 = extractvalue { ptr, i64, i64 } %t17, 0
   %t21 = getelementptr inbounds %S.json.Json, ptr %t20, i64 %t16
   %t22 = load %S.json.Json, ptr %t21
@@ -91657,15 +109551,15 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 3
-  br i1 %t4, label %then10350, label %endif10352
-then10350:
+  br i1 %t4, label %then10877, label %endif10879
+then10877:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 3
   %t6 = load { ptr, i64, i64 }, ptr %t5
   store { ptr, i64, i64 } %t6, ptr %a7
   call void @finch_str_copy(ptr %a8, ptr %a7)
   %t9 = load { ptr, i64, i64 }, ptr %a8
   ret { ptr, i64, i64 } %t9
-endif10352:
+endif10879:
   %t10 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t10, ptr %a11
   call void @finch_str_copy(ptr %a12, ptr %a11)
@@ -91680,12 +109574,12 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 2
-  br i1 %t4, label %then10353, label %endif10355
-then10353:
+  br i1 %t4, label %then10880, label %endif10882
+then10880:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 2
   %t6 = load double, ptr %t5
   ret double %t6
-endif10355:
+endif10882:
   %t7 = load double, ptr %a1
   ret double %t7
 }
@@ -91697,13 +109591,13 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 2
-  br i1 %t4, label %then10356, label %endif10358
-then10356:
+  br i1 %t4, label %then10883, label %endif10885
+then10883:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 2
   %t6 = load double, ptr %t5
   %t7 = fptosi double %t6 to i64
   ret i64 %t7
-endif10358:
+endif10885:
   %t8 = load i64, ptr %a1
   ret i64 %t8
 }
@@ -91715,12 +109609,12 @@ entry:
   %t2 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 0
   %t3 = load i32, ptr %t2
   %t4 = icmp eq i32 %t3, 1
-  br i1 %t4, label %then10359, label %endif10361
-then10359:
+  br i1 %t4, label %then10886, label %endif10888
+then10886:
   %t5 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 1
   %t6 = load i1, ptr %t5
   ret i1 %t6
-endif10361:
+endif10888:
   %t7 = load i1, ptr %a1
   ret i1 %t7
 }
@@ -91770,10 +109664,11 @@ entry:
   %a20 = alloca i64, align 16
   %a31 = alloca %S.json.Json, align 16
   %a32 = alloca %S.json.Json, align 16
-  %a37 = alloca { ptr, i64, i64 }, align 16
-  %a38 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca %S.json.Json, align 16
-  %a48 = alloca %S.json.Json, align 16
+  %a35 = alloca %S.json.Json, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
+  %a40 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca %S.json.Json, align 16
+  %a50 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   store %S.json.Json %p1, ptr %a2
   %t3 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
@@ -91783,78 +109678,81 @@ entry:
   %t7 = load i64, ptr %t4
   %t8 = load ptr, ptr %t3
   store i64 0, ptr %a9
-  br label %find.cond10362
-find.cond10362:
+  br label %find.cond10889
+find.cond10889:
   %t10 = load i64, ptr %a9
   %t11 = icmp slt i64 %t10, %t7
-  br i1 %t11, label %find.body10363, label %find.end10366
-find.body10363:
+  br i1 %t11, label %find.body10890, label %find.end10893
+find.body10890:
   %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i64 %t10
   %t13 = load { ptr, i64, i64 }, ptr %t12
   store { ptr, i64, i64 } %t13, ptr %a14
   store { ptr, i64, i64 } %t5, ptr %a15
   %t16 = call i32 @finch_str_eq(ptr %a14, ptr %a15)
   %t17 = icmp ne i32 %t16, 0
-  br i1 %t17, label %find.hit10364, label %find.next10365
-find.hit10364:
+  br i1 %t17, label %find.hit10891, label %find.next10892
+find.hit10891:
   store i64 %t10, ptr %a6
-  br label %find.end10366
-find.next10365:
+  br label %find.end10893
+find.next10892:
   %t18 = add i64 %t10, 1
   store i64 %t18, ptr %a9
-  br label %find.cond10362
-find.end10366:
+  br label %find.cond10889
+find.end10893:
   %t19 = load i64, ptr %a6
   store i64 %t19, ptr %a20
   %t21 = load i64, ptr %a20
   %t22 = icmp sge i64 %t21, 0
-  br i1 %t22, label %then10367, label %endif10369
-then10367:
+  br i1 %t22, label %then10894, label %endif10896
+then10894:
   %t23 = load %S.json.Json, ptr %a2
   %t24 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
   %t25 = load i64, ptr %a20
   %t26 = load { ptr, i64, i64 }, ptr %t24
   %t27 = extractvalue { ptr, i64, i64 } %t26, 1
   %t28 = icmp uge i64 %t25, %t27
-  br i1 %t28, label %range10370, label %inrange10371
-range10370:
-  call void @finch_panic_index(ptr @.str.6820, i64 140, i64 %t25, i64 %t27)
+  br i1 %t28, label %range10897, label %inrange10898
+range10897:
+  call void @finch_panic_index(ptr @.str.7031, i64 140, i64 %t25, i64 %t27)
   unreachable
-inrange10371:
+inrange10898:
   %t29 = extractvalue { ptr, i64, i64 } %t26, 0
   %t30 = getelementptr inbounds %S.json.Json, ptr %t29, i64 %t25
   store %S.json.Json %t23, ptr %a31
   call void @finch.copy.S_json_Json(ptr %a32, ptr %a31)
   %t33 = load %S.json.Json, ptr %a32
+  %t34 = load %S.json.Json, ptr %t30
   store %S.json.Json %t33, ptr %t30
+  store %S.json.Json %t34, ptr %a35
+  call void @finch.drop.S_json_Json(ptr %a35)
   ret void
-endif10369:
-  %t34 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
-  %t36 = load { ptr, i64, i64 }, ptr %a1
-  store { ptr, i64, i64 } %t36, ptr %a37
-  call void @finch_str_copy(ptr %a38, ptr %a37)
-  %t39 = load { ptr, i64, i64 }, ptr %a38
-  %t40 = load i64, ptr %t35
-  %t41 = add i64 %t40, 1
-  call void @finch_arr_reserve(ptr %t34, i64 %t41, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t42 = load ptr, ptr %t34
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i64 %t40
-  store { ptr, i64, i64 } %t39, ptr %t43
-  store i64 %t41, ptr %t35
-  %t44 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
-  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i32 0, i32 1
-  %t46 = load %S.json.Json, ptr %a2
-  store %S.json.Json %t46, ptr %a47
-  call void @finch.copy.S_json_Json(ptr %a48, ptr %a47)
-  %t49 = load %S.json.Json, ptr %a48
-  %t50 = load i64, ptr %t45
-  %t51 = add i64 %t50, 1
-  call void @finch_arr_reserve(ptr %t44, i64 %t51, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
-  %t52 = load ptr, ptr %t44
-  %t53 = getelementptr inbounds %S.json.Json, ptr %t52, i64 %t50
-  store %S.json.Json %t49, ptr %t53
-  store i64 %t51, ptr %t45
+endif10896:
+  %t36 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 5
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %t36, i32 0, i32 1
+  %t38 = load { ptr, i64, i64 }, ptr %a1
+  store { ptr, i64, i64 } %t38, ptr %a39
+  call void @finch_str_copy(ptr %a40, ptr %a39)
+  %t41 = load { ptr, i64, i64 }, ptr %a40
+  %t42 = load i64, ptr %t37
+  %t43 = add i64 %t42, 1
+  call void @finch_arr_reserve(ptr %t36, i64 %t43, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t44 = load ptr, ptr %t36
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 %t42
+  store { ptr, i64, i64 } %t41, ptr %t45
+  store i64 %t43, ptr %t37
+  %t46 = getelementptr inbounds %S.json.Json, ptr %self, i32 0, i32 4
+  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i32 0, i32 1
+  %t48 = load %S.json.Json, ptr %a2
+  store %S.json.Json %t48, ptr %a49
+  call void @finch.copy.S_json_Json(ptr %a50, ptr %a49)
+  %t51 = load %S.json.Json, ptr %a50
+  %t52 = load i64, ptr %t47
+  %t53 = add i64 %t52, 1
+  call void @finch_arr_reserve(ptr %t46, i64 %t53, i64 ptrtoint (ptr getelementptr (%S.json.Json, ptr null, i32 1) to i64))
+  %t54 = load ptr, ptr %t46
+  %t55 = getelementptr inbounds %S.json.Json, ptr %t54, i64 %t52
+  store %S.json.Json %t51, ptr %t55
+  store i64 %t53, ptr %t47
   ret void
 }
 
@@ -91868,30 +109766,33 @@ entry:
   %a62 = alloca { ptr, i64, i64 }, align 16
   %a63 = alloca { ptr, i64, i64 }, align 16
   %a64 = alloca { ptr, i64, i64 }, align 16
-  %a69 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
   %a71 = alloca { ptr, i64, i64 }, align 16
-  %a79 = alloca { ptr, i64, i64 }, align 16
-  %a93 = alloca { ptr, i64, i64 }, align 16
-  %a94 = alloca { ptr, i64, i64 }, align 16
+  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a73 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = mul i64 1, ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64)
   %t3 = call ptr @finch_alloc(i64 %t2)
   %t4 = getelementptr inbounds { ptr, i64, i64 }, ptr %t3, i64 0
-  store { ptr, i64, i64 } { ptr @.str.6821, i64 1, i64 0 }, ptr %t4
+  store { ptr, i64, i64 } { ptr @.str.7032, i64 1, i64 0 }, ptr %t4
   %t5 = insertvalue { ptr, i64, i64 } undef, ptr %t3, 0
   %t6 = insertvalue { ptr, i64, i64 } %t5, i64 1, 1
   %t7 = insertvalue { ptr, i64, i64 } %t6, i64 1, 2
   store { ptr, i64, i64 } %t7, ptr %a8
   store i64 0, ptr %a9
-  br label %each.cond10372
-each.cond10372:
+  br label %each.cond10899
+each.cond10899:
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = load i64, ptr %a9
   %t13 = icmp slt i64 %t12, %t11
-  br i1 %t13, label %each.body10373, label %each.end10375
-each.body10373:
+  br i1 %t13, label %each.body10900, label %each.end10902
+each.body10900:
   %t14 = load ptr, ptr %a1
   %t15 = getelementptr inbounds i8, ptr %t14, i64 %t12
   %t16 = load i8, ptr %t15
@@ -91901,145 +109802,152 @@ each.body10373:
   store i64 %t19, ptr %a20
   %t21 = load i8, ptr %a17
   %t22 = icmp eq i8 %t21, 34
-  br i1 %t22, label %then10376, label %else10377
-then10376:
+  br i1 %t22, label %then10903, label %else10904
+then10903:
   %t23 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t24 = load i64, ptr %t23
   %t25 = add i64 %t24, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t25, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t26 = load ptr, ptr %a8
   %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %t26, i64 %t24
-  store { ptr, i64, i64 } { ptr @.str.6822, i64 2, i64 0 }, ptr %t27
+  store { ptr, i64, i64 } { ptr @.str.7033, i64 2, i64 0 }, ptr %t27
   store i64 %t25, ptr %t23
-  br label %endif10378
-else10377:
+  br label %endif10905
+else10904:
   %t28 = load i8, ptr %a17
   %t29 = icmp eq i8 %t28, 92
-  br i1 %t29, label %then10379, label %else10380
-then10379:
+  br i1 %t29, label %then10906, label %else10907
+then10906:
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = add i64 %t31, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t32, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t33 = load ptr, ptr %a8
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
-  store { ptr, i64, i64 } { ptr @.str.6823, i64 2, i64 0 }, ptr %t34
+  store { ptr, i64, i64 } { ptr @.str.7034, i64 2, i64 0 }, ptr %t34
   store i64 %t32, ptr %t30
-  br label %endif10381
-else10380:
+  br label %endif10908
+else10907:
   %t35 = load i8, ptr %a17
   %t36 = icmp eq i8 %t35, 10
-  br i1 %t36, label %then10382, label %else10383
-then10382:
+  br i1 %t36, label %then10909, label %else10910
+then10909:
   %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t38 = load i64, ptr %t37
   %t39 = add i64 %t38, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t39, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t40 = load ptr, ptr %a8
   %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t38
-  store { ptr, i64, i64 } { ptr @.str.6824, i64 2, i64 0 }, ptr %t41
+  store { ptr, i64, i64 } { ptr @.str.7035, i64 2, i64 0 }, ptr %t41
   store i64 %t39, ptr %t37
-  br label %endif10384
-else10383:
+  br label %endif10911
+else10910:
   %t42 = load i8, ptr %a17
   %t43 = icmp eq i8 %t42, 13
-  br i1 %t43, label %then10385, label %else10386
-then10385:
+  br i1 %t43, label %then10912, label %else10913
+then10912:
   %t44 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t45 = load i64, ptr %t44
   %t46 = add i64 %t45, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t46, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t47 = load ptr, ptr %a8
   %t48 = getelementptr inbounds { ptr, i64, i64 }, ptr %t47, i64 %t45
-  store { ptr, i64, i64 } { ptr @.str.6825, i64 2, i64 0 }, ptr %t48
+  store { ptr, i64, i64 } { ptr @.str.7036, i64 2, i64 0 }, ptr %t48
   store i64 %t46, ptr %t44
-  br label %endif10387
-else10386:
+  br label %endif10914
+else10913:
   %t49 = load i8, ptr %a17
   %t50 = icmp eq i8 %t49, 9
-  br i1 %t50, label %then10388, label %else10389
-then10388:
+  br i1 %t50, label %then10915, label %else10916
+then10915:
   %t51 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t52 = load i64, ptr %t51
   %t53 = add i64 %t52, 1
   call void @finch_arr_reserve(ptr %a8, i64 %t53, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
   %t54 = load ptr, ptr %a8
   %t55 = getelementptr inbounds { ptr, i64, i64 }, ptr %t54, i64 %t52
-  store { ptr, i64, i64 } { ptr @.str.6826, i64 2, i64 0 }, ptr %t55
+  store { ptr, i64, i64 } { ptr @.str.7037, i64 2, i64 0 }, ptr %t55
   store i64 %t53, ptr %t51
-  br label %endif10390
-else10389:
+  br label %endif10917
+else10916:
   %t56 = load i64, ptr %a20
   %t57 = icmp slt i64 %t56, 32
-  br i1 %t57, label %then10391, label %else10392
-then10391:
+  br i1 %t57, label %then10918, label %else10919
+then10918:
   %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
   %t59 = load i64, ptr %a20
   %t60 = sdiv i64 %t59, 16
   %t61 = call { ptr, i64, i64 } @finch.json.hexdigit(i64 %t60)
-  store { ptr, i64, i64 } { ptr @.str.6827, i64 4, i64 0 }, ptr %a63
+  store { ptr, i64, i64 } { ptr @.str.7038, i64 4, i64 0 }, ptr %a63
   store { ptr, i64, i64 } %t61, ptr %a64
   call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
-  %t65 = load { ptr, i64, i64 }, ptr %a62
-  %t66 = load i64, ptr %a20
-  %t67 = srem i64 %t66, 16
-  %t68 = call { ptr, i64, i64 } @finch.json.hexdigit(i64 %t67)
-  store { ptr, i64, i64 } %t65, ptr %a70
-  store { ptr, i64, i64 } %t68, ptr %a71
-  call void @finch_str_concat(ptr %a69, ptr %a70, ptr %a71)
-  %t72 = load { ptr, i64, i64 }, ptr %a69
-  %t73 = load i64, ptr %t58
-  %t74 = add i64 %t73, 1
-  call void @finch_arr_reserve(ptr %a8, i64 %t74, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t75 = load ptr, ptr %a8
-  %t76 = getelementptr inbounds { ptr, i64, i64 }, ptr %t75, i64 %t73
-  store { ptr, i64, i64 } %t72, ptr %t76
-  store i64 %t74, ptr %t58
-  br label %endif10393
-else10392:
-  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t78 = load i8, ptr %a17
-  call void @finch_str_from_char(ptr %a79, i8 signext %t78)
-  %t80 = load { ptr, i64, i64 }, ptr %a79
-  %t81 = load i64, ptr %t77
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %a8, i64 %t82, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %a8
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  store { ptr, i64, i64 } %t80, ptr %t84
-  store i64 %t82, ptr %t77
-  br label %endif10393
-endif10393:
-  br label %endif10390
-endif10390:
-  br label %endif10387
-endif10387:
-  br label %endif10384
-endif10384:
-  br label %endif10381
-endif10381:
-  br label %endif10378
-endif10378:
-  br label %each.step10374
-each.step10374:
-  %t85 = load i64, ptr %a9
-  %t86 = add i64 %t85, 1
-  store i64 %t86, ptr %a9
-  br label %each.cond10372
-each.end10375:
-  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  %t88 = load i64, ptr %t87
+  store { ptr, i64, i64 } %t61, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  %t67 = load i64, ptr %a20
+  %t68 = srem i64 %t67, 16
+  %t69 = call { ptr, i64, i64 } @finch.json.hexdigit(i64 %t68)
+  store { ptr, i64, i64 } %t66, ptr %a71
+  store { ptr, i64, i64 } %t69, ptr %a72
+  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
+  store { ptr, i64, i64 } %t66, ptr %a73
+  call void @finch_str_drop(ptr %a73)
+  store { ptr, i64, i64 } %t69, ptr %a74
+  call void @finch_str_drop(ptr %a74)
+  %t75 = load { ptr, i64, i64 }, ptr %a70
+  %t76 = load i64, ptr %t58
+  %t77 = add i64 %t76, 1
+  call void @finch_arr_reserve(ptr %a8, i64 %t77, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t78 = load ptr, ptr %a8
+  %t79 = getelementptr inbounds { ptr, i64, i64 }, ptr %t78, i64 %t76
+  store { ptr, i64, i64 } %t75, ptr %t79
+  store i64 %t77, ptr %t58
+  br label %endif10920
+else10919:
+  %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t81 = load i8, ptr %a17
+  call void @finch_str_from_char(ptr %a82, i8 signext %t81)
+  %t83 = load { ptr, i64, i64 }, ptr %a82
+  %t84 = load i64, ptr %t80
+  %t85 = add i64 %t84, 1
+  call void @finch_arr_reserve(ptr %a8, i64 %t85, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t86 = load ptr, ptr %a8
+  %t87 = getelementptr inbounds { ptr, i64, i64 }, ptr %t86, i64 %t84
+  store { ptr, i64, i64 } %t83, ptr %t87
+  store i64 %t85, ptr %t80
+  br label %endif10920
+endif10920:
+  br label %endif10917
+endif10917:
+  br label %endif10914
+endif10914:
+  br label %endif10911
+endif10911:
+  br label %endif10908
+endif10908:
+  br label %endif10905
+endif10905:
+  br label %each.step10901
+each.step10901:
+  %t88 = load i64, ptr %a9
   %t89 = add i64 %t88, 1
-  call void @finch_arr_reserve(ptr %a8, i64 %t89, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t90 = load ptr, ptr %a8
-  %t91 = getelementptr inbounds { ptr, i64, i64 }, ptr %t90, i64 %t88
-  store { ptr, i64, i64 } { ptr @.str.6828, i64 1, i64 0 }, ptr %t91
-  store i64 %t89, ptr %t87
-  %t92 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6829, i64 0, i64 0 }, ptr %a93
-  call void @finch_str_join(ptr %a94, ptr %a8, ptr %a93)
-  %t95 = load { ptr, i64, i64 }, ptr %a94
-  ret { ptr, i64, i64 } %t95
+  store i64 %t89, ptr %a9
+  br label %each.cond10899
+each.end10902:
+  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  %t91 = load i64, ptr %t90
+  %t92 = add i64 %t91, 1
+  call void @finch_arr_reserve(ptr %a8, i64 %t92, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t93 = load ptr, ptr %a8
+  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i64 %t91
+  store { ptr, i64, i64 } { ptr @.str.7039, i64 1, i64 0 }, ptr %t94
+  store i64 %t92, ptr %t90
+  %t95 = getelementptr inbounds { ptr, i64, i64 }, ptr %a8, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.7040, i64 0, i64 0 }, ptr %a96
+  call void @finch_str_join(ptr %a97, ptr %a8, ptr %a96)
+  %t98 = load { ptr, i64, i64 }, ptr %a97
+  call void @finch.drop.arr_str(ptr %a8)
+  ret { ptr, i64, i64 } %t98
 }
 
 define internal { ptr, i64, i64 } @finch.json.hexdigit(i64 %p0) {
@@ -92048,21 +109956,22 @@ entry:
   %a2 = alloca { ptr, i64, i64 }, align 16
   %a10 = alloca { ptr, i64, i64 }, align 16
   store i64 %p0, ptr %a1
-  store { ptr, i64, i64 } { ptr @.str.6830, i64 16, i64 0 }, ptr %a2
+  store { ptr, i64, i64 } { ptr @.str.7041, i64 16, i64 0 }, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = extractvalue { ptr, i64, i64 } %t4, 1
   %t6 = icmp uge i64 %t3, %t5
-  br i1 %t6, label %range10394, label %inrange10395
-range10394:
-  call void @finch_panic_index(ptr @.str.6831, i64 175, i64 %t3, i64 %t5)
+  br i1 %t6, label %range10921, label %inrange10922
+range10921:
+  call void @finch_panic_index(ptr @.str.7042, i64 175, i64 %t3, i64 %t5)
   unreachable
-inrange10395:
+inrange10922:
   %t7 = extractvalue { ptr, i64, i64 } %t4, 0
   %t8 = getelementptr inbounds i8, ptr %t7, i64 %t3
   %t9 = load i8, ptr %t8
   call void @finch_str_from_char(ptr %a10, i8 signext %t9)
   %t11 = load { ptr, i64, i64 }, ptr %a10
+  call void @finch_str_drop(ptr %a2)
   ret { ptr, i64, i64 } %t11
 }
 
@@ -92077,37 +109986,37 @@ entry:
   %t4 = fptosi double %t3 to i64
   %t5 = sitofp i64 %t4 to double
   %t6 = fcmp oeq double %t2, %t5
-  br label %logic.from10396
-logic.from10396:
-  br i1 %t6, label %logic.rhs10397, label %logic.end10398
-logic.rhs10397:
+  br label %logic.from10923
+logic.from10923:
+  br i1 %t6, label %logic.rhs10924, label %logic.end10925
+logic.rhs10924:
   %t7 = load double, ptr %a1
   %t8 = fneg double 1000000000000000.0
   %t9 = fcmp ogt double %t7, %t8
-  br label %logic.rend10399
-logic.rend10399:
-  br label %logic.end10398
-logic.end10398:
-  %t10 = phi i1 [ false, %logic.from10396 ], [ %t9, %logic.rend10399 ]
-  br label %logic.from10400
-logic.from10400:
-  br i1 %t10, label %logic.rhs10401, label %logic.end10402
-logic.rhs10401:
+  br label %logic.rend10926
+logic.rend10926:
+  br label %logic.end10925
+logic.end10925:
+  %t10 = phi i1 [ false, %logic.from10923 ], [ %t9, %logic.rend10926 ]
+  br label %logic.from10927
+logic.from10927:
+  br i1 %t10, label %logic.rhs10928, label %logic.end10929
+logic.rhs10928:
   %t11 = load double, ptr %a1
   %t12 = fcmp olt double %t11, 1000000000000000.0
-  br label %logic.rend10403
-logic.rend10403:
-  br label %logic.end10402
-logic.end10402:
-  %t13 = phi i1 [ false, %logic.from10400 ], [ %t12, %logic.rend10403 ]
-  br i1 %t13, label %then10404, label %endif10406
-then10404:
+  br label %logic.rend10930
+logic.rend10930:
+  br label %logic.end10929
+logic.end10929:
+  %t13 = phi i1 [ false, %logic.from10927 ], [ %t12, %logic.rend10930 ]
+  br i1 %t13, label %then10931, label %endif10933
+then10931:
   %t14 = load double, ptr %a1
   %t15 = fptosi double %t14 to i64
   call void @finch_str_from_int(ptr %a16, i64 %t15)
   %t17 = load { ptr, i64, i64 }, ptr %a16
   ret { ptr, i64, i64 } %t17
-endif10406:
+endif10933:
   %t18 = load double, ptr %a1
   call void @finch_str_from_float(ptr %a19, double %t18)
   %t20 = load { ptr, i64, i64 }, ptr %a19
@@ -92124,516 +110033,560 @@ entry:
   %a6 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca { ptr, i64, i64 }, align 16
   %a8 = alloca { ptr, i64, i64 }, align 16
-  %a14 = alloca { ptr, i64, i64 }, align 16
-  %a15 = alloca { ptr, i64, i64 }, align 16
+  %a13 = alloca { ptr, i64, i64 }, align 16
   %a16 = alloca { ptr, i64, i64 }, align 16
-  %a90 = alloca { ptr, i64, i64 }, align 16
-  %a91 = alloca { ptr, i64, i64 }, align 16
-  %a92 = alloca { ptr, i64, i64 }, align 16
-  %a99 = alloca i64, align 16
-  %a107 = alloca i64, align 16
-  %a108 = alloca %S.json.Json, align 16
-  %a117 = alloca { ptr, i64, i64 }, align 16
-  %a118 = alloca { ptr, i64, i64 }, align 16
-  %a119 = alloca { ptr, i64, i64 }, align 16
-  %a130 = alloca { ptr, i64, i64 }, align 16
-  %a131 = alloca { ptr, i64, i64 }, align 16
-  %a149 = alloca { ptr, i64, i64 }, align 16
-  %a150 = alloca { ptr, i64, i64 }, align 16
-  %a151 = alloca { ptr, i64, i64 }, align 16
-  %a153 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
+  %a17 = alloca { ptr, i64, i64 }, align 16
+  %a18 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
+  %a23 = alloca { ptr, i64, i64 }, align 16
+  %a96 = alloca { ptr, i64, i64 }, align 16
+  %a97 = alloca { ptr, i64, i64 }, align 16
+  %a98 = alloca { ptr, i64, i64 }, align 16
+  %a105 = alloca i64, align 16
+  %a113 = alloca i64, align 16
+  %a114 = alloca %S.json.Json, align 16
+  %a123 = alloca { ptr, i64, i64 }, align 16
+  %a124 = alloca { ptr, i64, i64 }, align 16
+  %a125 = alloca { ptr, i64, i64 }, align 16
+  %a136 = alloca { ptr, i64, i64 }, align 16
+  %a137 = alloca { ptr, i64, i64 }, align 16
   %a155 = alloca { ptr, i64, i64 }, align 16
-  %a179 = alloca { ptr, i64, i64 }, align 16
-  %a180 = alloca { ptr, i64, i64 }, align 16
-  %a181 = alloca { ptr, i64, i64 }, align 16
-  %a188 = alloca i64, align 16
-  %a196 = alloca i64, align 16
-  %a197 = alloca %S.json.Json, align 16
-  %a206 = alloca { ptr, i64, i64 }, align 16
-  %a207 = alloca { ptr, i64, i64 }, align 16
-  %a208 = alloca { ptr, i64, i64 }, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a229 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a233 = alloca { ptr, i64, i64 }, align 16
-  %a234 = alloca { ptr, i64, i64 }, align 16
+  %a156 = alloca { ptr, i64, i64 }, align 16
+  %a157 = alloca { ptr, i64, i64 }, align 16
+  %a159 = alloca { ptr, i64, i64 }, align 16
+  %a160 = alloca { ptr, i64, i64 }, align 16
+  %a161 = alloca { ptr, i64, i64 }, align 16
+  %a162 = alloca { ptr, i64, i64 }, align 16
+  %a186 = alloca { ptr, i64, i64 }, align 16
+  %a187 = alloca { ptr, i64, i64 }, align 16
+  %a188 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca i64, align 16
+  %a203 = alloca i64, align 16
+  %a204 = alloca %S.json.Json, align 16
+  %a213 = alloca { ptr, i64, i64 }, align 16
+  %a214 = alloca { ptr, i64, i64 }, align 16
+  %a215 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
-  %a253 = alloca { ptr, i64, i64 }, align 16
-  %a254 = alloca { ptr, i64, i64 }, align 16
-  %a255 = alloca { ptr, i64, i64 }, align 16
-  %a257 = alloca { ptr, i64, i64 }, align 16
-  %a258 = alloca { ptr, i64, i64 }, align 16
-  %a259 = alloca { ptr, i64, i64 }, align 16
+  %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a238 = alloca { ptr, i64, i64 }, align 16
+  %a241 = alloca { ptr, i64, i64 }, align 16
+  %a242 = alloca { ptr, i64, i64 }, align 16
+  %a243 = alloca { ptr, i64, i64 }, align 16
+  %a244 = alloca { ptr, i64, i64 }, align 16
+  %a262 = alloca { ptr, i64, i64 }, align 16
+  %a263 = alloca { ptr, i64, i64 }, align 16
+  %a264 = alloca { ptr, i64, i64 }, align 16
+  %a266 = alloca { ptr, i64, i64 }, align 16
+  %a267 = alloca { ptr, i64, i64 }, align 16
+  %a268 = alloca { ptr, i64, i64 }, align 16
+  %a269 = alloca { ptr, i64, i64 }, align 16
   store %S.json.Json %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   store { ptr, i64, i64 } %p2, ptr %a3
   store ptr %p3, ptr %a4
-  store { ptr, i64, i64 } { ptr @.str.6832, i64 0, i64 0 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6833, i64 0, i64 0 }, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6834, i64 1, i64 0 }, ptr %a7
-  store { ptr, i64, i64 } { ptr @.str.6835, i64 1, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.7043, i64 0, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7044, i64 0, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.7045, i64 1, i64 0 }, ptr %a7
+  store { ptr, i64, i64 } { ptr @.str.7046, i64 1, i64 0 }, ptr %a8
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp sgt i64 %t10, 0
-  br i1 %t11, label %then10407, label %endif10409
-then10407:
-  store { ptr, i64, i64 } { ptr @.str.6836, i64 1, i64 0 }, ptr %a5
-  %t12 = load { ptr, i64, i64 }, ptr %a3
-  %t13 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t12, ptr %a15
-  store { ptr, i64, i64 } %t13, ptr %a16
-  call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
-  %t17 = load { ptr, i64, i64 }, ptr %a14
-  store { ptr, i64, i64 } %t17, ptr %a6
-  store { ptr, i64, i64 } { ptr @.str.6837, i64 2, i64 0 }, ptr %a8
-  br label %endif10409
-endif10409:
-  %t18 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 0
-  %t19 = load i32, ptr %t18
-  %t20 = icmp eq i32 %t19, 0
-  br i1 %t20, label %match.arm10411, label %match.next10412
-match.arm10411:
-  %t21 = load ptr, ptr %a4
-  %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic10413, label %ok10414
-panic10413:
-  call void @finch_panic(ptr @.str.6838, i64 200, ptr @.str.6839)
+  br i1 %t11, label %then10934, label %endif10936
+then10934:
+  %t12 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7047, i64 1, i64 0 }, ptr %a5
+  store { ptr, i64, i64 } %t12, ptr %a13
+  call void @finch_str_drop(ptr %a13)
+  %t14 = load { ptr, i64, i64 }, ptr %a3
+  %t15 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t14, ptr %a17
+  store { ptr, i64, i64 } %t15, ptr %a18
+  call void @finch_str_concat(ptr %a16, ptr %a17, ptr %a18)
+  %t19 = load { ptr, i64, i64 }, ptr %a16
+  %t20 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t19, ptr %a6
+  store { ptr, i64, i64 } %t20, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } { ptr @.str.7048, i64 2, i64 0 }, ptr %a8
+  store { ptr, i64, i64 } %t22, ptr %a23
+  call void @finch_str_drop(ptr %a23)
+  br label %endif10936
+endif10936:
+  %t24 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 0
+  %t25 = load i32, ptr %t24
+  %t26 = icmp eq i32 %t25, 0
+  br i1 %t26, label %match.arm10938, label %match.next10939
+match.arm10938:
+  %t27 = load ptr, ptr %a4
+  %t28 = icmp eq ptr %t27, null
+  br i1 %t28, label %panic10940, label %ok10941
+panic10940:
+  call void @finch_panic(ptr @.str.7049, i64 200, ptr @.str.7050)
   unreachable
-ok10414:
-  %t23 = getelementptr inbounds %S.json.Writer, ptr %t21, i32 0, i32 0
-  %t24 = getelementptr inbounds { ptr, i64, i64 }, ptr %t23, i32 0, i32 1
-  %t25 = load i64, ptr %t24
-  %t26 = add i64 %t25, 1
-  call void @finch_arr_reserve(ptr %t23, i64 %t26, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t27 = load ptr, ptr %t23
-  %t28 = getelementptr inbounds { ptr, i64, i64 }, ptr %t27, i64 %t25
-  store { ptr, i64, i64 } { ptr @.str.6840, i64 4, i64 0 }, ptr %t28
-  store i64 %t26, ptr %t24
-  br label %match.end10410
-match.next10412:
-  %t29 = icmp eq i32 %t19, 1
-  br i1 %t29, label %match.arm10415, label %match.next10416
-match.arm10415:
-  %t30 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 1
-  %t31 = load i1, ptr %t30
-  br i1 %t31, label %then10417, label %else10418
-then10417:
-  %t32 = load ptr, ptr %a4
-  %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic10420, label %ok10421
-panic10420:
-  call void @finch_panic(ptr @.str.6841, i64 203, ptr @.str.6842)
+ok10941:
+  %t29 = getelementptr inbounds %S.json.Writer, ptr %t27, i32 0, i32 0
+  %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %t29, i32 0, i32 1
+  %t31 = load i64, ptr %t30
+  %t32 = add i64 %t31, 1
+  call void @finch_arr_reserve(ptr %t29, i64 %t32, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t33 = load ptr, ptr %t29
+  %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %t33, i64 %t31
+  store { ptr, i64, i64 } { ptr @.str.7051, i64 4, i64 0 }, ptr %t34
+  store i64 %t32, ptr %t30
+  br label %match.end10937
+match.next10939:
+  %t35 = icmp eq i32 %t25, 1
+  br i1 %t35, label %match.arm10942, label %match.next10943
+match.arm10942:
+  %t36 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 1
+  %t37 = load i1, ptr %t36
+  br i1 %t37, label %then10944, label %else10945
+then10944:
+  %t38 = load ptr, ptr %a4
+  %t39 = icmp eq ptr %t38, null
+  br i1 %t39, label %panic10947, label %ok10948
+panic10947:
+  call void @finch_panic(ptr @.str.7052, i64 203, ptr @.str.7053)
   unreachable
-ok10421:
-  %t34 = getelementptr inbounds %S.json.Writer, ptr %t32, i32 0, i32 0
-  %t35 = getelementptr inbounds { ptr, i64, i64 }, ptr %t34, i32 0, i32 1
-  %t36 = load i64, ptr %t35
-  %t37 = add i64 %t36, 1
-  call void @finch_arr_reserve(ptr %t34, i64 %t37, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t38 = load ptr, ptr %t34
-  %t39 = getelementptr inbounds { ptr, i64, i64 }, ptr %t38, i64 %t36
-  store { ptr, i64, i64 } { ptr @.str.6843, i64 4, i64 0 }, ptr %t39
-  store i64 %t37, ptr %t35
-  br label %endif10419
-else10418:
-  %t40 = load ptr, ptr %a4
-  %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic10422, label %ok10423
-panic10422:
-  call void @finch_panic(ptr @.str.6844, i64 205, ptr @.str.6845)
+ok10948:
+  %t40 = getelementptr inbounds %S.json.Writer, ptr %t38, i32 0, i32 0
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = add i64 %t42, 1
+  call void @finch_arr_reserve(ptr %t40, i64 %t43, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t44 = load ptr, ptr %t40
+  %t45 = getelementptr inbounds { ptr, i64, i64 }, ptr %t44, i64 %t42
+  store { ptr, i64, i64 } { ptr @.str.7054, i64 4, i64 0 }, ptr %t45
+  store i64 %t43, ptr %t41
+  br label %endif10946
+else10945:
+  %t46 = load ptr, ptr %a4
+  %t47 = icmp eq ptr %t46, null
+  br i1 %t47, label %panic10949, label %ok10950
+panic10949:
+  call void @finch_panic(ptr @.str.7055, i64 205, ptr @.str.7056)
   unreachable
-ok10423:
-  %t42 = getelementptr inbounds %S.json.Writer, ptr %t40, i32 0, i32 0
-  %t43 = getelementptr inbounds { ptr, i64, i64 }, ptr %t42, i32 0, i32 1
-  %t44 = load i64, ptr %t43
-  %t45 = add i64 %t44, 1
-  call void @finch_arr_reserve(ptr %t42, i64 %t45, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t46 = load ptr, ptr %t42
-  %t47 = getelementptr inbounds { ptr, i64, i64 }, ptr %t46, i64 %t44
-  store { ptr, i64, i64 } { ptr @.str.6846, i64 5, i64 0 }, ptr %t47
-  store i64 %t45, ptr %t43
-  br label %endif10419
-endif10419:
-  br label %match.end10410
-match.next10416:
-  %t48 = icmp eq i32 %t19, 2
-  br i1 %t48, label %match.arm10424, label %match.next10425
-match.arm10424:
-  %t49 = load ptr, ptr %a4
-  %t50 = icmp eq ptr %t49, null
-  br i1 %t50, label %panic10426, label %ok10427
-panic10426:
-  call void @finch_panic(ptr @.str.6847, i64 208, ptr @.str.6848)
+ok10950:
+  %t48 = getelementptr inbounds %S.json.Writer, ptr %t46, i32 0, i32 0
+  %t49 = getelementptr inbounds { ptr, i64, i64 }, ptr %t48, i32 0, i32 1
+  %t50 = load i64, ptr %t49
+  %t51 = add i64 %t50, 1
+  call void @finch_arr_reserve(ptr %t48, i64 %t51, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t52 = load ptr, ptr %t48
+  %t53 = getelementptr inbounds { ptr, i64, i64 }, ptr %t52, i64 %t50
+  store { ptr, i64, i64 } { ptr @.str.7057, i64 5, i64 0 }, ptr %t53
+  store i64 %t51, ptr %t49
+  br label %endif10946
+endif10946:
+  br label %match.end10937
+match.next10943:
+  %t54 = icmp eq i32 %t25, 2
+  br i1 %t54, label %match.arm10951, label %match.next10952
+match.arm10951:
+  %t55 = load ptr, ptr %a4
+  %t56 = icmp eq ptr %t55, null
+  br i1 %t56, label %panic10953, label %ok10954
+panic10953:
+  call void @finch_panic(ptr @.str.7058, i64 208, ptr @.str.7059)
   unreachable
-ok10427:
-  %t51 = getelementptr inbounds %S.json.Writer, ptr %t49, i32 0, i32 0
-  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %t51, i32 0, i32 1
-  %t53 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 2
-  %t54 = load double, ptr %t53
-  %t55 = call { ptr, i64, i64 } @finch.json.number_text(double %t54)
-  %t56 = load i64, ptr %t52
-  %t57 = add i64 %t56, 1
-  call void @finch_arr_reserve(ptr %t51, i64 %t57, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t58 = load ptr, ptr %t51
-  %t59 = getelementptr inbounds { ptr, i64, i64 }, ptr %t58, i64 %t56
-  store { ptr, i64, i64 } %t55, ptr %t59
-  store i64 %t57, ptr %t52
-  br label %match.end10410
-match.next10425:
-  %t60 = icmp eq i32 %t19, 3
-  br i1 %t60, label %match.arm10428, label %match.next10429
-match.arm10428:
-  %t61 = load ptr, ptr %a4
-  %t62 = icmp eq ptr %t61, null
-  br i1 %t62, label %panic10430, label %ok10431
-panic10430:
-  call void @finch_panic(ptr @.str.6849, i64 209, ptr @.str.6850)
+ok10954:
+  %t57 = getelementptr inbounds %S.json.Writer, ptr %t55, i32 0, i32 0
+  %t58 = getelementptr inbounds { ptr, i64, i64 }, ptr %t57, i32 0, i32 1
+  %t59 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 2
+  %t60 = load double, ptr %t59
+  %t61 = call { ptr, i64, i64 } @finch.json.number_text(double %t60)
+  %t62 = load i64, ptr %t58
+  %t63 = add i64 %t62, 1
+  call void @finch_arr_reserve(ptr %t57, i64 %t63, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t64 = load ptr, ptr %t57
+  %t65 = getelementptr inbounds { ptr, i64, i64 }, ptr %t64, i64 %t62
+  store { ptr, i64, i64 } %t61, ptr %t65
+  store i64 %t63, ptr %t58
+  br label %match.end10937
+match.next10952:
+  %t66 = icmp eq i32 %t25, 3
+  br i1 %t66, label %match.arm10955, label %match.next10956
+match.arm10955:
+  %t67 = load ptr, ptr %a4
+  %t68 = icmp eq ptr %t67, null
+  br i1 %t68, label %panic10957, label %ok10958
+panic10957:
+  call void @finch_panic(ptr @.str.7060, i64 209, ptr @.str.7061)
   unreachable
-ok10431:
-  %t63 = getelementptr inbounds %S.json.Writer, ptr %t61, i32 0, i32 0
-  %t64 = getelementptr inbounds { ptr, i64, i64 }, ptr %t63, i32 0, i32 1
-  %t65 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 3
-  %t66 = load { ptr, i64, i64 }, ptr %t65
-  %t67 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t66)
-  %t68 = load i64, ptr %t64
-  %t69 = add i64 %t68, 1
-  call void @finch_arr_reserve(ptr %t63, i64 %t69, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t70 = load ptr, ptr %t63
-  %t71 = getelementptr inbounds { ptr, i64, i64 }, ptr %t70, i64 %t68
-  store { ptr, i64, i64 } %t67, ptr %t71
-  store i64 %t69, ptr %t64
-  br label %match.end10410
-match.next10429:
-  %t72 = icmp eq i32 %t19, 4
-  br i1 %t72, label %match.arm10432, label %match.next10433
-match.arm10432:
-  %t73 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %t73, i32 0, i32 1
-  %t75 = load i64, ptr %t74
-  %t76 = icmp eq i64 %t75, 0
-  br i1 %t76, label %then10434, label %endif10436
-then10434:
-  %t77 = load ptr, ptr %a4
-  %t78 = icmp eq ptr %t77, null
-  br i1 %t78, label %panic10437, label %ok10438
-panic10437:
-  call void @finch_panic(ptr @.str.6851, i64 212, ptr @.str.6852)
-  unreachable
-ok10438:
-  %t79 = getelementptr inbounds %S.json.Writer, ptr %t77, i32 0, i32 0
+ok10958:
+  %t69 = getelementptr inbounds %S.json.Writer, ptr %t67, i32 0, i32 0
+  %t70 = getelementptr inbounds { ptr, i64, i64 }, ptr %t69, i32 0, i32 1
+  %t71 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 3
+  %t72 = load { ptr, i64, i64 }, ptr %t71
+  %t73 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t72)
+  %t74 = load i64, ptr %t70
+  %t75 = add i64 %t74, 1
+  call void @finch_arr_reserve(ptr %t69, i64 %t75, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t76 = load ptr, ptr %t69
+  %t77 = getelementptr inbounds { ptr, i64, i64 }, ptr %t76, i64 %t74
+  store { ptr, i64, i64 } %t73, ptr %t77
+  store i64 %t75, ptr %t70
+  br label %match.end10937
+match.next10956:
+  %t78 = icmp eq i32 %t25, 4
+  br i1 %t78, label %match.arm10959, label %match.next10960
+match.arm10959:
+  %t79 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
   %t80 = getelementptr inbounds { ptr, i64, i64 }, ptr %t79, i32 0, i32 1
   %t81 = load i64, ptr %t80
-  %t82 = add i64 %t81, 1
-  call void @finch_arr_reserve(ptr %t79, i64 %t82, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t83 = load ptr, ptr %t79
-  %t84 = getelementptr inbounds { ptr, i64, i64 }, ptr %t83, i64 %t81
-  store { ptr, i64, i64 } { ptr @.str.6853, i64 2, i64 0 }, ptr %t84
-  store i64 %t82, ptr %t80
+  %t82 = icmp eq i64 %t81, 0
+  br i1 %t82, label %then10961, label %endif10963
+then10961:
+  %t83 = load ptr, ptr %a4
+  %t84 = icmp eq ptr %t83, null
+  br i1 %t84, label %panic10964, label %ok10965
+panic10964:
+  call void @finch_panic(ptr @.str.7062, i64 212, ptr @.str.7063)
+  unreachable
+ok10965:
+  %t85 = getelementptr inbounds %S.json.Writer, ptr %t83, i32 0, i32 0
+  %t86 = getelementptr inbounds { ptr, i64, i64 }, ptr %t85, i32 0, i32 1
+  %t87 = load i64, ptr %t86
+  %t88 = add i64 %t87, 1
+  call void @finch_arr_reserve(ptr %t85, i64 %t88, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t89 = load ptr, ptr %t85
+  %t90 = getelementptr inbounds { ptr, i64, i64 }, ptr %t89, i64 %t87
+  store { ptr, i64, i64 } { ptr @.str.7064, i64 2, i64 0 }, ptr %t90
+  store i64 %t88, ptr %t86
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a7)
+  call void @finch_str_drop(ptr %a6)
+  call void @finch_str_drop(ptr %a5)
   ret void
-endif10436:
-  %t85 = load ptr, ptr %a4
-  %t86 = icmp eq ptr %t85, null
-  br i1 %t86, label %panic10439, label %ok10440
-panic10439:
-  call void @finch_panic(ptr @.str.6854, i64 215, ptr @.str.6855)
+endif10963:
+  %t91 = load ptr, ptr %a4
+  %t92 = icmp eq ptr %t91, null
+  br i1 %t92, label %panic10966, label %ok10967
+panic10966:
+  call void @finch_panic(ptr @.str.7065, i64 215, ptr @.str.7066)
   unreachable
-ok10440:
-  %t87 = getelementptr inbounds %S.json.Writer, ptr %t85, i32 0, i32 0
-  %t88 = getelementptr inbounds { ptr, i64, i64 }, ptr %t87, i32 0, i32 1
-  %t89 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6856, i64 1, i64 0 }, ptr %a91
-  store { ptr, i64, i64 } %t89, ptr %a92
-  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
-  %t93 = load { ptr, i64, i64 }, ptr %a90
-  %t94 = load i64, ptr %t88
-  %t95 = add i64 %t94, 1
-  call void @finch_arr_reserve(ptr %t87, i64 %t95, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t96 = load ptr, ptr %t87
-  %t97 = getelementptr inbounds { ptr, i64, i64 }, ptr %t96, i64 %t94
-  store { ptr, i64, i64 } %t93, ptr %t97
-  store i64 %t95, ptr %t88
-  %t98 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a99
-  br label %each.cond10441
-each.cond10441:
-  %t100 = getelementptr inbounds { ptr, i64, i64 }, ptr %t98, i32 0, i32 1
-  %t101 = load i64, ptr %t100
-  %t102 = load i64, ptr %a99
-  %t103 = icmp slt i64 %t102, %t101
-  br i1 %t103, label %each.body10442, label %each.end10444
-each.body10442:
-  %t104 = load ptr, ptr %t98
-  %t105 = getelementptr inbounds %S.json.Json, ptr %t104, i64 %t102
-  %t106 = load %S.json.Json, ptr %t105
-  store i64 %t102, ptr %a107
-  store %S.json.Json %t106, ptr %a108
-  %t109 = load i64, ptr %a107
-  %t110 = icmp sgt i64 %t109, 0
-  br i1 %t110, label %then10445, label %endif10447
-then10445:
-  %t111 = load ptr, ptr %a4
-  %t112 = icmp eq ptr %t111, null
-  br i1 %t112, label %panic10448, label %ok10449
-panic10448:
-  call void @finch_panic(ptr @.str.6857, i64 218, ptr @.str.6858)
+ok10967:
+  %t93 = getelementptr inbounds %S.json.Writer, ptr %t91, i32 0, i32 0
+  %t94 = getelementptr inbounds { ptr, i64, i64 }, ptr %t93, i32 0, i32 1
+  %t95 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7067, i64 1, i64 0 }, ptr %a97
+  store { ptr, i64, i64 } %t95, ptr %a98
+  call void @finch_str_concat(ptr %a96, ptr %a97, ptr %a98)
+  %t99 = load { ptr, i64, i64 }, ptr %a96
+  %t100 = load i64, ptr %t94
+  %t101 = add i64 %t100, 1
+  call void @finch_arr_reserve(ptr %t93, i64 %t101, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t102 = load ptr, ptr %t93
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %t102, i64 %t100
+  store { ptr, i64, i64 } %t99, ptr %t103
+  store i64 %t101, ptr %t94
+  %t104 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a105
+  br label %each.cond10968
+each.cond10968:
+  %t106 = getelementptr inbounds { ptr, i64, i64 }, ptr %t104, i32 0, i32 1
+  %t107 = load i64, ptr %t106
+  %t108 = load i64, ptr %a105
+  %t109 = icmp slt i64 %t108, %t107
+  br i1 %t109, label %each.body10969, label %each.end10971
+each.body10969:
+  %t110 = load ptr, ptr %t104
+  %t111 = getelementptr inbounds %S.json.Json, ptr %t110, i64 %t108
+  %t112 = load %S.json.Json, ptr %t111
+  store i64 %t108, ptr %a113
+  store %S.json.Json %t112, ptr %a114
+  %t115 = load i64, ptr %a113
+  %t116 = icmp sgt i64 %t115, 0
+  br i1 %t116, label %then10972, label %endif10974
+then10972:
+  %t117 = load ptr, ptr %a4
+  %t118 = icmp eq ptr %t117, null
+  br i1 %t118, label %panic10975, label %ok10976
+panic10975:
+  call void @finch_panic(ptr @.str.7068, i64 218, ptr @.str.7069)
   unreachable
-ok10449:
-  %t113 = getelementptr inbounds %S.json.Writer, ptr %t111, i32 0, i32 0
-  %t114 = getelementptr inbounds { ptr, i64, i64 }, ptr %t113, i32 0, i32 1
-  %t115 = load { ptr, i64, i64 }, ptr %a7
-  %t116 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t115, ptr %a118
-  store { ptr, i64, i64 } %t116, ptr %a119
-  call void @finch_str_concat(ptr %a117, ptr %a118, ptr %a119)
-  %t120 = load { ptr, i64, i64 }, ptr %a117
-  %t121 = load i64, ptr %t114
-  %t122 = add i64 %t121, 1
-  call void @finch_arr_reserve(ptr %t113, i64 %t122, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t123 = load ptr, ptr %t113
-  %t124 = getelementptr inbounds { ptr, i64, i64 }, ptr %t123, i64 %t121
-  store { ptr, i64, i64 } %t120, ptr %t124
-  store i64 %t122, ptr %t114
-  br label %endif10447
-endif10447:
-  %t125 = load ptr, ptr %a4
-  %t126 = icmp eq ptr %t125, null
-  br i1 %t126, label %panic10450, label %ok10451
-panic10450:
-  call void @finch_panic(ptr @.str.6859, i64 220, ptr @.str.6860)
+ok10976:
+  %t119 = getelementptr inbounds %S.json.Writer, ptr %t117, i32 0, i32 0
+  %t120 = getelementptr inbounds { ptr, i64, i64 }, ptr %t119, i32 0, i32 1
+  %t121 = load { ptr, i64, i64 }, ptr %a7
+  %t122 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t121, ptr %a124
+  store { ptr, i64, i64 } %t122, ptr %a125
+  call void @finch_str_concat(ptr %a123, ptr %a124, ptr %a125)
+  %t126 = load { ptr, i64, i64 }, ptr %a123
+  %t127 = load i64, ptr %t120
+  %t128 = add i64 %t127, 1
+  call void @finch_arr_reserve(ptr %t119, i64 %t128, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t129 = load ptr, ptr %t119
+  %t130 = getelementptr inbounds { ptr, i64, i64 }, ptr %t129, i64 %t127
+  store { ptr, i64, i64 } %t126, ptr %t130
+  store i64 %t128, ptr %t120
+  br label %endif10974
+endif10974:
+  %t131 = load ptr, ptr %a4
+  %t132 = icmp eq ptr %t131, null
+  br i1 %t132, label %panic10977, label %ok10978
+panic10977:
+  call void @finch_panic(ptr @.str.7070, i64 220, ptr @.str.7071)
   unreachable
-ok10451:
-  %t127 = getelementptr inbounds %S.json.Writer, ptr %t125, i32 0, i32 0
-  %t128 = getelementptr inbounds { ptr, i64, i64 }, ptr %t127, i32 0, i32 1
-  %t129 = load { ptr, i64, i64 }, ptr %a6
-  store { ptr, i64, i64 } %t129, ptr %a130
-  call void @finch_str_copy(ptr %a131, ptr %a130)
-  %t132 = load { ptr, i64, i64 }, ptr %a131
-  %t133 = load i64, ptr %t128
-  %t134 = add i64 %t133, 1
-  call void @finch_arr_reserve(ptr %t127, i64 %t134, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t135 = load ptr, ptr %t127
-  %t136 = getelementptr inbounds { ptr, i64, i64 }, ptr %t135, i64 %t133
-  store { ptr, i64, i64 } %t132, ptr %t136
-  store i64 %t134, ptr %t128
-  %t137 = load %S.json.Json, ptr %a108
-  %t138 = load { ptr, i64, i64 }, ptr %a2
-  %t139 = load { ptr, i64, i64 }, ptr %a6
-  %t140 = load ptr, ptr %a4
-  call void @finch.json.write(%S.json.Json %t137, { ptr, i64, i64 } %t138, { ptr, i64, i64 } %t139, ptr %t140)
-  br label %each.step10443
-each.step10443:
-  %t141 = load i64, ptr %a99
-  %t142 = add i64 %t141, 1
-  store i64 %t142, ptr %a99
-  br label %each.cond10441
-each.end10444:
-  %t143 = load ptr, ptr %a4
-  %t144 = icmp eq ptr %t143, null
-  br i1 %t144, label %panic10452, label %ok10453
-panic10452:
-  call void @finch_panic(ptr @.str.6861, i64 223, ptr @.str.6862)
+ok10978:
+  %t133 = getelementptr inbounds %S.json.Writer, ptr %t131, i32 0, i32 0
+  %t134 = getelementptr inbounds { ptr, i64, i64 }, ptr %t133, i32 0, i32 1
+  %t135 = load { ptr, i64, i64 }, ptr %a6
+  store { ptr, i64, i64 } %t135, ptr %a136
+  call void @finch_str_copy(ptr %a137, ptr %a136)
+  %t138 = load { ptr, i64, i64 }, ptr %a137
+  %t139 = load i64, ptr %t134
+  %t140 = add i64 %t139, 1
+  call void @finch_arr_reserve(ptr %t133, i64 %t140, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t141 = load ptr, ptr %t133
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i64 %t139
+  store { ptr, i64, i64 } %t138, ptr %t142
+  store i64 %t140, ptr %t134
+  %t143 = load %S.json.Json, ptr %a114
+  %t144 = load { ptr, i64, i64 }, ptr %a2
+  %t145 = load { ptr, i64, i64 }, ptr %a6
+  %t146 = load ptr, ptr %a4
+  call void @finch.json.write(%S.json.Json %t143, { ptr, i64, i64 } %t144, { ptr, i64, i64 } %t145, ptr %t146)
+  br label %each.step10970
+each.step10970:
+  %t147 = load i64, ptr %a105
+  %t148 = add i64 %t147, 1
+  store i64 %t148, ptr %a105
+  br label %each.cond10968
+each.end10971:
+  %t149 = load ptr, ptr %a4
+  %t150 = icmp eq ptr %t149, null
+  br i1 %t150, label %panic10979, label %ok10980
+panic10979:
+  call void @finch_panic(ptr @.str.7072, i64 223, ptr @.str.7073)
   unreachable
-ok10453:
-  %t145 = getelementptr inbounds %S.json.Writer, ptr %t143, i32 0, i32 0
-  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i32 0, i32 1
-  %t147 = load { ptr, i64, i64 }, ptr %a5
-  %t148 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t147, ptr %a150
-  store { ptr, i64, i64 } %t148, ptr %a151
-  call void @finch_str_concat(ptr %a149, ptr %a150, ptr %a151)
-  %t152 = load { ptr, i64, i64 }, ptr %a149
-  store { ptr, i64, i64 } %t152, ptr %a154
-  store { ptr, i64, i64 } { ptr @.str.6863, i64 1, i64 0 }, ptr %a155
-  call void @finch_str_concat(ptr %a153, ptr %a154, ptr %a155)
-  %t156 = load { ptr, i64, i64 }, ptr %a153
-  %t157 = load i64, ptr %t146
-  %t158 = add i64 %t157, 1
-  call void @finch_arr_reserve(ptr %t145, i64 %t158, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t159 = load ptr, ptr %t145
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %t159, i64 %t157
-  store { ptr, i64, i64 } %t156, ptr %t160
-  store i64 %t158, ptr %t146
-  br label %match.end10410
-match.next10433:
-  %t161 = icmp eq i32 %t19, 5
-  br i1 %t161, label %match.arm10454, label %match.next10455
-match.arm10454:
-  %t162 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  %t163 = getelementptr inbounds { ptr, i64, i64 }, ptr %t162, i32 0, i32 1
-  %t164 = load i64, ptr %t163
-  %t165 = icmp eq i64 %t164, 0
-  br i1 %t165, label %then10456, label %endif10458
-then10456:
-  %t166 = load ptr, ptr %a4
-  %t167 = icmp eq ptr %t166, null
-  br i1 %t167, label %panic10459, label %ok10460
-panic10459:
-  call void @finch_panic(ptr @.str.6864, i64 227, ptr @.str.6865)
+ok10980:
+  %t151 = getelementptr inbounds %S.json.Writer, ptr %t149, i32 0, i32 0
+  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %t151, i32 0, i32 1
+  %t153 = load { ptr, i64, i64 }, ptr %a5
+  %t154 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t153, ptr %a156
+  store { ptr, i64, i64 } %t154, ptr %a157
+  call void @finch_str_concat(ptr %a155, ptr %a156, ptr %a157)
+  %t158 = load { ptr, i64, i64 }, ptr %a155
+  store { ptr, i64, i64 } %t158, ptr %a160
+  store { ptr, i64, i64 } { ptr @.str.7074, i64 1, i64 0 }, ptr %a161
+  call void @finch_str_concat(ptr %a159, ptr %a160, ptr %a161)
+  store { ptr, i64, i64 } %t158, ptr %a162
+  call void @finch_str_drop(ptr %a162)
+  %t163 = load { ptr, i64, i64 }, ptr %a159
+  %t164 = load i64, ptr %t152
+  %t165 = add i64 %t164, 1
+  call void @finch_arr_reserve(ptr %t151, i64 %t165, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t166 = load ptr, ptr %t151
+  %t167 = getelementptr inbounds { ptr, i64, i64 }, ptr %t166, i64 %t164
+  store { ptr, i64, i64 } %t163, ptr %t167
+  store i64 %t165, ptr %t152
+  br label %match.end10937
+match.next10960:
+  %t168 = icmp eq i32 %t25, 5
+  br i1 %t168, label %match.arm10981, label %match.next10982
+match.arm10981:
+  %t169 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
+  %t170 = getelementptr inbounds { ptr, i64, i64 }, ptr %t169, i32 0, i32 1
+  %t171 = load i64, ptr %t170
+  %t172 = icmp eq i64 %t171, 0
+  br i1 %t172, label %then10983, label %endif10985
+then10983:
+  %t173 = load ptr, ptr %a4
+  %t174 = icmp eq ptr %t173, null
+  br i1 %t174, label %panic10986, label %ok10987
+panic10986:
+  call void @finch_panic(ptr @.str.7075, i64 227, ptr @.str.7076)
   unreachable
-ok10460:
-  %t168 = getelementptr inbounds %S.json.Writer, ptr %t166, i32 0, i32 0
-  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t168, i32 0, i32 1
-  %t170 = load i64, ptr %t169
-  %t171 = add i64 %t170, 1
-  call void @finch_arr_reserve(ptr %t168, i64 %t171, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t172 = load ptr, ptr %t168
-  %t173 = getelementptr inbounds { ptr, i64, i64 }, ptr %t172, i64 %t170
-  store { ptr, i64, i64 } { ptr @.str.6866, i64 2, i64 0 }, ptr %t173
-  store i64 %t171, ptr %t169
+ok10987:
+  %t175 = getelementptr inbounds %S.json.Writer, ptr %t173, i32 0, i32 0
+  %t176 = getelementptr inbounds { ptr, i64, i64 }, ptr %t175, i32 0, i32 1
+  %t177 = load i64, ptr %t176
+  %t178 = add i64 %t177, 1
+  call void @finch_arr_reserve(ptr %t175, i64 %t178, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t179 = load ptr, ptr %t175
+  %t180 = getelementptr inbounds { ptr, i64, i64 }, ptr %t179, i64 %t177
+  store { ptr, i64, i64 } { ptr @.str.7077, i64 2, i64 0 }, ptr %t180
+  store i64 %t178, ptr %t176
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a7)
+  call void @finch_str_drop(ptr %a6)
+  call void @finch_str_drop(ptr %a5)
   ret void
-endif10458:
-  %t174 = load ptr, ptr %a4
-  %t175 = icmp eq ptr %t174, null
-  br i1 %t175, label %panic10461, label %ok10462
-panic10461:
-  call void @finch_panic(ptr @.str.6867, i64 230, ptr @.str.6868)
+endif10985:
+  %t181 = load ptr, ptr %a4
+  %t182 = icmp eq ptr %t181, null
+  br i1 %t182, label %panic10988, label %ok10989
+panic10988:
+  call void @finch_panic(ptr @.str.7078, i64 230, ptr @.str.7079)
   unreachable
-ok10462:
-  %t176 = getelementptr inbounds %S.json.Writer, ptr %t174, i32 0, i32 0
-  %t177 = getelementptr inbounds { ptr, i64, i64 }, ptr %t176, i32 0, i32 1
-  %t178 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } { ptr @.str.6869, i64 1, i64 0 }, ptr %a180
-  store { ptr, i64, i64 } %t178, ptr %a181
-  call void @finch_str_concat(ptr %a179, ptr %a180, ptr %a181)
-  %t182 = load { ptr, i64, i64 }, ptr %a179
-  %t183 = load i64, ptr %t177
-  %t184 = add i64 %t183, 1
-  call void @finch_arr_reserve(ptr %t176, i64 %t184, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t185 = load ptr, ptr %t176
-  %t186 = getelementptr inbounds { ptr, i64, i64 }, ptr %t185, i64 %t183
-  store { ptr, i64, i64 } %t182, ptr %t186
-  store i64 %t184, ptr %t177
-  %t187 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
-  store i64 0, ptr %a188
-  br label %each.cond10463
-each.cond10463:
-  %t189 = getelementptr inbounds { ptr, i64, i64 }, ptr %t187, i32 0, i32 1
-  %t190 = load i64, ptr %t189
-  %t191 = load i64, ptr %a188
-  %t192 = icmp slt i64 %t191, %t190
-  br i1 %t192, label %each.body10464, label %each.end10466
-each.body10464:
-  %t193 = load ptr, ptr %t187
-  %t194 = getelementptr inbounds %S.json.Json, ptr %t193, i64 %t191
-  %t195 = load %S.json.Json, ptr %t194
-  store i64 %t191, ptr %a196
-  store %S.json.Json %t195, ptr %a197
-  %t198 = load i64, ptr %a196
-  %t199 = icmp sgt i64 %t198, 0
-  br i1 %t199, label %then10467, label %endif10469
-then10467:
-  %t200 = load ptr, ptr %a4
-  %t201 = icmp eq ptr %t200, null
-  br i1 %t201, label %panic10470, label %ok10471
-panic10470:
-  call void @finch_panic(ptr @.str.6870, i64 233, ptr @.str.6871)
+ok10989:
+  %t183 = getelementptr inbounds %S.json.Writer, ptr %t181, i32 0, i32 0
+  %t184 = getelementptr inbounds { ptr, i64, i64 }, ptr %t183, i32 0, i32 1
+  %t185 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } { ptr @.str.7080, i64 1, i64 0 }, ptr %a187
+  store { ptr, i64, i64 } %t185, ptr %a188
+  call void @finch_str_concat(ptr %a186, ptr %a187, ptr %a188)
+  %t189 = load { ptr, i64, i64 }, ptr %a186
+  %t190 = load i64, ptr %t184
+  %t191 = add i64 %t190, 1
+  call void @finch_arr_reserve(ptr %t183, i64 %t191, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t192 = load ptr, ptr %t183
+  %t193 = getelementptr inbounds { ptr, i64, i64 }, ptr %t192, i64 %t190
+  store { ptr, i64, i64 } %t189, ptr %t193
+  store i64 %t191, ptr %t184
+  %t194 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 4
+  store i64 0, ptr %a195
+  br label %each.cond10990
+each.cond10990:
+  %t196 = getelementptr inbounds { ptr, i64, i64 }, ptr %t194, i32 0, i32 1
+  %t197 = load i64, ptr %t196
+  %t198 = load i64, ptr %a195
+  %t199 = icmp slt i64 %t198, %t197
+  br i1 %t199, label %each.body10991, label %each.end10993
+each.body10991:
+  %t200 = load ptr, ptr %t194
+  %t201 = getelementptr inbounds %S.json.Json, ptr %t200, i64 %t198
+  %t202 = load %S.json.Json, ptr %t201
+  store i64 %t198, ptr %a203
+  store %S.json.Json %t202, ptr %a204
+  %t205 = load i64, ptr %a203
+  %t206 = icmp sgt i64 %t205, 0
+  br i1 %t206, label %then10994, label %endif10996
+then10994:
+  %t207 = load ptr, ptr %a4
+  %t208 = icmp eq ptr %t207, null
+  br i1 %t208, label %panic10997, label %ok10998
+panic10997:
+  call void @finch_panic(ptr @.str.7081, i64 233, ptr @.str.7082)
   unreachable
-ok10471:
-  %t202 = getelementptr inbounds %S.json.Writer, ptr %t200, i32 0, i32 0
-  %t203 = getelementptr inbounds { ptr, i64, i64 }, ptr %t202, i32 0, i32 1
-  %t204 = load { ptr, i64, i64 }, ptr %a7
-  %t205 = load { ptr, i64, i64 }, ptr %a5
-  store { ptr, i64, i64 } %t204, ptr %a207
-  store { ptr, i64, i64 } %t205, ptr %a208
-  call void @finch_str_concat(ptr %a206, ptr %a207, ptr %a208)
-  %t209 = load { ptr, i64, i64 }, ptr %a206
-  %t210 = load i64, ptr %t203
-  %t211 = add i64 %t210, 1
-  call void @finch_arr_reserve(ptr %t202, i64 %t211, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t212 = load ptr, ptr %t202
-  %t213 = getelementptr inbounds { ptr, i64, i64 }, ptr %t212, i64 %t210
-  store { ptr, i64, i64 } %t209, ptr %t213
-  store i64 %t211, ptr %t203
-  br label %endif10469
-endif10469:
-  %t214 = load ptr, ptr %a4
-  %t215 = icmp eq ptr %t214, null
-  br i1 %t215, label %panic10472, label %ok10473
-panic10472:
-  call void @finch_panic(ptr @.str.6872, i64 235, ptr @.str.6873)
+ok10998:
+  %t209 = getelementptr inbounds %S.json.Writer, ptr %t207, i32 0, i32 0
+  %t210 = getelementptr inbounds { ptr, i64, i64 }, ptr %t209, i32 0, i32 1
+  %t211 = load { ptr, i64, i64 }, ptr %a7
+  %t212 = load { ptr, i64, i64 }, ptr %a5
+  store { ptr, i64, i64 } %t211, ptr %a214
+  store { ptr, i64, i64 } %t212, ptr %a215
+  call void @finch_str_concat(ptr %a213, ptr %a214, ptr %a215)
+  %t216 = load { ptr, i64, i64 }, ptr %a213
+  %t217 = load i64, ptr %t210
+  %t218 = add i64 %t217, 1
+  call void @finch_arr_reserve(ptr %t209, i64 %t218, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t219 = load ptr, ptr %t209
+  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %t219, i64 %t217
+  store { ptr, i64, i64 } %t216, ptr %t220
+  store i64 %t218, ptr %t210
+  br label %endif10996
+endif10996:
+  %t221 = load ptr, ptr %a4
+  %t222 = icmp eq ptr %t221, null
+  br i1 %t222, label %panic10999, label %ok11000
+panic10999:
+  call void @finch_panic(ptr @.str.7083, i64 235, ptr @.str.7084)
   unreachable
-ok10473:
-  %t216 = getelementptr inbounds %S.json.Writer, ptr %t214, i32 0, i32 0
-  %t217 = getelementptr inbounds { ptr, i64, i64 }, ptr %t216, i32 0, i32 1
-  %t218 = load { ptr, i64, i64 }, ptr %a6
-  %t219 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 5
-  %t220 = load i64, ptr %a196
-  %t221 = load { ptr, i64, i64 }, ptr %t219
-  %t222 = extractvalue { ptr, i64, i64 } %t221, 1
-  %t223 = icmp uge i64 %t220, %t222
-  br i1 %t223, label %range10474, label %inrange10475
-range10474:
-  call void @finch_panic_index(ptr @.str.6874, i64 235, i64 %t220, i64 %t222)
+ok11000:
+  %t223 = getelementptr inbounds %S.json.Writer, ptr %t221, i32 0, i32 0
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %t223, i32 0, i32 1
+  %t225 = load { ptr, i64, i64 }, ptr %a6
+  %t226 = getelementptr inbounds %S.json.Json, ptr %a1, i32 0, i32 5
+  %t227 = load i64, ptr %a203
+  %t228 = load { ptr, i64, i64 }, ptr %t226
+  %t229 = extractvalue { ptr, i64, i64 } %t228, 1
+  %t230 = icmp uge i64 %t227, %t229
+  br i1 %t230, label %range11001, label %inrange11002
+range11001:
+  call void @finch_panic_index(ptr @.str.7085, i64 235, i64 %t227, i64 %t229)
   unreachable
-inrange10475:
-  %t224 = extractvalue { ptr, i64, i64 } %t221, 0
-  %t225 = getelementptr inbounds { ptr, i64, i64 }, ptr %t224, i64 %t220
-  %t226 = load { ptr, i64, i64 }, ptr %t225
-  %t227 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t226)
-  store { ptr, i64, i64 } %t218, ptr %a229
-  store { ptr, i64, i64 } %t227, ptr %a230
-  call void @finch_str_concat(ptr %a228, ptr %a229, ptr %a230)
-  %t231 = load { ptr, i64, i64 }, ptr %a228
-  %t232 = load { ptr, i64, i64 }, ptr %a8
-  store { ptr, i64, i64 } %t231, ptr %a234
-  store { ptr, i64, i64 } %t232, ptr %a235
-  call void @finch_str_concat(ptr %a233, ptr %a234, ptr %a235)
-  %t236 = load { ptr, i64, i64 }, ptr %a233
-  %t237 = load i64, ptr %t217
-  %t238 = add i64 %t237, 1
-  call void @finch_arr_reserve(ptr %t216, i64 %t238, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t239 = load ptr, ptr %t216
-  %t240 = getelementptr inbounds { ptr, i64, i64 }, ptr %t239, i64 %t237
-  store { ptr, i64, i64 } %t236, ptr %t240
-  store i64 %t238, ptr %t217
-  %t241 = load %S.json.Json, ptr %a197
-  %t242 = load { ptr, i64, i64 }, ptr %a2
-  %t243 = load { ptr, i64, i64 }, ptr %a6
-  %t244 = load ptr, ptr %a4
-  call void @finch.json.write(%S.json.Json %t241, { ptr, i64, i64 } %t242, { ptr, i64, i64 } %t243, ptr %t244)
-  br label %each.step10465
-each.step10465:
-  %t245 = load i64, ptr %a188
-  %t246 = add i64 %t245, 1
-  store i64 %t246, ptr %a188
-  br label %each.cond10463
-each.end10466:
-  %t247 = load ptr, ptr %a4
-  %t248 = icmp eq ptr %t247, null
-  br i1 %t248, label %panic10476, label %ok10477
-panic10476:
-  call void @finch_panic(ptr @.str.6875, i64 238, ptr @.str.6876)
+inrange11002:
+  %t231 = extractvalue { ptr, i64, i64 } %t228, 0
+  %t232 = getelementptr inbounds { ptr, i64, i64 }, ptr %t231, i64 %t227
+  %t233 = load { ptr, i64, i64 }, ptr %t232
+  %t234 = call { ptr, i64, i64 } @finch.json.quote({ ptr, i64, i64 } %t233)
+  store { ptr, i64, i64 } %t225, ptr %a236
+  store { ptr, i64, i64 } %t234, ptr %a237
+  call void @finch_str_concat(ptr %a235, ptr %a236, ptr %a237)
+  store { ptr, i64, i64 } %t234, ptr %a238
+  call void @finch_str_drop(ptr %a238)
+  %t239 = load { ptr, i64, i64 }, ptr %a235
+  %t240 = load { ptr, i64, i64 }, ptr %a8
+  store { ptr, i64, i64 } %t239, ptr %a242
+  store { ptr, i64, i64 } %t240, ptr %a243
+  call void @finch_str_concat(ptr %a241, ptr %a242, ptr %a243)
+  store { ptr, i64, i64 } %t239, ptr %a244
+  call void @finch_str_drop(ptr %a244)
+  %t245 = load { ptr, i64, i64 }, ptr %a241
+  %t246 = load i64, ptr %t224
+  %t247 = add i64 %t246, 1
+  call void @finch_arr_reserve(ptr %t223, i64 %t247, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t248 = load ptr, ptr %t223
+  %t249 = getelementptr inbounds { ptr, i64, i64 }, ptr %t248, i64 %t246
+  store { ptr, i64, i64 } %t245, ptr %t249
+  store i64 %t247, ptr %t224
+  %t250 = load %S.json.Json, ptr %a204
+  %t251 = load { ptr, i64, i64 }, ptr %a2
+  %t252 = load { ptr, i64, i64 }, ptr %a6
+  %t253 = load ptr, ptr %a4
+  call void @finch.json.write(%S.json.Json %t250, { ptr, i64, i64 } %t251, { ptr, i64, i64 } %t252, ptr %t253)
+  br label %each.step10992
+each.step10992:
+  %t254 = load i64, ptr %a195
+  %t255 = add i64 %t254, 1
+  store i64 %t255, ptr %a195
+  br label %each.cond10990
+each.end10993:
+  %t256 = load ptr, ptr %a4
+  %t257 = icmp eq ptr %t256, null
+  br i1 %t257, label %panic11003, label %ok11004
+panic11003:
+  call void @finch_panic(ptr @.str.7086, i64 238, ptr @.str.7087)
   unreachable
-ok10477:
-  %t249 = getelementptr inbounds %S.json.Writer, ptr %t247, i32 0, i32 0
-  %t250 = getelementptr inbounds { ptr, i64, i64 }, ptr %t249, i32 0, i32 1
-  %t251 = load { ptr, i64, i64 }, ptr %a5
-  %t252 = load { ptr, i64, i64 }, ptr %a3
-  store { ptr, i64, i64 } %t251, ptr %a254
-  store { ptr, i64, i64 } %t252, ptr %a255
-  call void @finch_str_concat(ptr %a253, ptr %a254, ptr %a255)
-  %t256 = load { ptr, i64, i64 }, ptr %a253
-  store { ptr, i64, i64 } %t256, ptr %a258
-  store { ptr, i64, i64 } { ptr @.str.6877, i64 1, i64 0 }, ptr %a259
-  call void @finch_str_concat(ptr %a257, ptr %a258, ptr %a259)
-  %t260 = load { ptr, i64, i64 }, ptr %a257
-  %t261 = load i64, ptr %t250
-  %t262 = add i64 %t261, 1
-  call void @finch_arr_reserve(ptr %t249, i64 %t262, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t263 = load ptr, ptr %t249
-  %t264 = getelementptr inbounds { ptr, i64, i64 }, ptr %t263, i64 %t261
-  store { ptr, i64, i64 } %t260, ptr %t264
-  store i64 %t262, ptr %t250
-  br label %match.end10410
-match.next10455:
-  br i1 true, label %panic10478, label %ok10479
-panic10478:
-  call void @finch_panic(ptr @.str.6878, i64 199, ptr @.str.6879)
+ok11004:
+  %t258 = getelementptr inbounds %S.json.Writer, ptr %t256, i32 0, i32 0
+  %t259 = getelementptr inbounds { ptr, i64, i64 }, ptr %t258, i32 0, i32 1
+  %t260 = load { ptr, i64, i64 }, ptr %a5
+  %t261 = load { ptr, i64, i64 }, ptr %a3
+  store { ptr, i64, i64 } %t260, ptr %a263
+  store { ptr, i64, i64 } %t261, ptr %a264
+  call void @finch_str_concat(ptr %a262, ptr %a263, ptr %a264)
+  %t265 = load { ptr, i64, i64 }, ptr %a262
+  store { ptr, i64, i64 } %t265, ptr %a267
+  store { ptr, i64, i64 } { ptr @.str.7088, i64 1, i64 0 }, ptr %a268
+  call void @finch_str_concat(ptr %a266, ptr %a267, ptr %a268)
+  store { ptr, i64, i64 } %t265, ptr %a269
+  call void @finch_str_drop(ptr %a269)
+  %t270 = load { ptr, i64, i64 }, ptr %a266
+  %t271 = load i64, ptr %t259
+  %t272 = add i64 %t271, 1
+  call void @finch_arr_reserve(ptr %t258, i64 %t272, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t273 = load ptr, ptr %t258
+  %t274 = getelementptr inbounds { ptr, i64, i64 }, ptr %t273, i64 %t271
+  store { ptr, i64, i64 } %t270, ptr %t274
+  store i64 %t272, ptr %t259
+  br label %match.end10937
+match.next10982:
+  br i1 true, label %panic11005, label %ok11006
+panic11005:
+  call void @finch_panic(ptr @.str.7089, i64 199, ptr @.str.7090)
   unreachable
-ok10479:
+ok11006:
   unreachable
-match.end10410:
+match.end10937:
+  call void @finch_str_drop(ptr %a8)
+  call void @finch_str_drop(ptr %a7)
+  call void @finch_str_drop(ptr %a6)
+  call void @finch_str_drop(ptr %a5)
+  ret void
+}
+
+define internal void @finch.drop.S_json_Writer(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.json.Writer, ptr %a, i32 0, i32 0
+  call void @finch.drop.arr_str(ptr %t1)
   ret void
 }
 
@@ -92646,12 +110599,13 @@ entry:
   store %S.json.Json %p0, ptr %a1
   store %S.json.Writer zeroinitializer, ptr %a2
   %t3 = load %S.json.Json, ptr %a1
-  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.6880, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.6881, i64 0, i64 0 }, ptr %a2)
+  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.7091, i64 0, i64 0 }, { ptr, i64, i64 } { ptr @.str.7092, i64 0, i64 0 }, ptr %a2)
   %t4 = getelementptr inbounds %S.json.Writer, ptr %a2, i32 0, i32 0
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6882, i64 0, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.7093, i64 0, i64 0 }, ptr %a6
   call void @finch_str_join(ptr %a7, ptr %t4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
+  call void @finch.drop.S_json_Writer(ptr %a2)
   ret { ptr, i64, i64 } %t8
 }
 
@@ -92664,12 +110618,13 @@ entry:
   store %S.json.Json %p0, ptr %a1
   store %S.json.Writer zeroinitializer, ptr %a2
   %t3 = load %S.json.Json, ptr %a1
-  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.6883, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.6884, i64 0, i64 0 }, ptr %a2)
+  call void @finch.json.write(%S.json.Json %t3, { ptr, i64, i64 } { ptr @.str.7094, i64 2, i64 0 }, { ptr, i64, i64 } { ptr @.str.7095, i64 0, i64 0 }, ptr %a2)
   %t4 = getelementptr inbounds %S.json.Writer, ptr %a2, i32 0, i32 0
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %t4, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.6885, i64 0, i64 0 }, ptr %a6
+  store { ptr, i64, i64 } { ptr @.str.7096, i64 0, i64 0 }, ptr %a6
   call void @finch_str_join(ptr %a7, ptr %t4, ptr %a6)
   %t8 = load { ptr, i64, i64 }, ptr %a7
+  call void @finch.drop.S_json_Writer(ptr %a2)
   ret { ptr, i64, i64 } %t8
 }
 
@@ -92683,113 +110638,125 @@ entry:
   %a39 = alloca { ptr, i64, i64 }, align 16
   %a40 = alloca { ptr, i64, i64 }, align 16
   %a41 = alloca { ptr, i64, i64 }, align 16
-  %a43 = alloca { ptr, i64, i64 }, align 16
+  %a42 = alloca { ptr, i64, i64 }, align 16
   %a44 = alloca { ptr, i64, i64 }, align 16
   %a45 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a46 = alloca { ptr, i64, i64 }, align 16
+  %a47 = alloca { ptr, i64, i64 }, align 16
   %a50 = alloca { ptr, i64, i64 }, align 16
-  %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
+  %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
+  %a55 = alloca { ptr, i64, i64 }, align 16
+  %a56 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store i64 1, ptr %a2
   store i64 1, ptr %a3
   %t4 = load ptr, ptr %a1
   %t5 = icmp eq ptr %t4, null
-  br i1 %t5, label %panic10480, label %ok10481
-panic10480:
-  call void @finch_panic(ptr @.str.6886, i64 268, ptr @.str.6887)
+  br i1 %t5, label %panic11007, label %ok11008
+panic11007:
+  call void @finch_panic(ptr @.str.7097, i64 268, ptr @.str.7098)
   unreachable
-ok10481:
+ok11008:
   %t6 = getelementptr inbounds %S.json.Reader, ptr %t4, i32 0, i32 1
   %t7 = load i64, ptr %t6
   store i64 0, ptr %a8
-  br label %for.cond10482
-for.cond10482:
+  br label %for.cond11009
+for.cond11009:
   %t9 = load i64, ptr %a8
   %t10 = icmp slt i64 %t9, %t7
-  br i1 %t10, label %for.body10483, label %for.end10485
-for.body10483:
+  br i1 %t10, label %for.body11010, label %for.end11012
+for.body11010:
   %t11 = load i64, ptr %a8
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic10486, label %ok10487
-panic10486:
-  call void @finch_panic(ptr @.str.6888, i64 269, ptr @.str.6889)
+  br i1 %t13, label %panic11013, label %ok11014
+panic11013:
+  call void @finch_panic(ptr @.str.7099, i64 269, ptr @.str.7100)
   unreachable
-ok10487:
+ok11014:
   %t14 = getelementptr inbounds %S.json.Reader, ptr %t12, i32 0, i32 0
   %t15 = getelementptr inbounds { ptr, i64, i64 }, ptr %t14, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = icmp slt i64 %t11, %t16
-  br label %logic.from10488
-logic.from10488:
-  br i1 %t17, label %logic.rhs10489, label %logic.end10490
-logic.rhs10489:
+  br label %logic.from11015
+logic.from11015:
+  br i1 %t17, label %logic.rhs11016, label %logic.end11017
+logic.rhs11016:
   %t18 = load ptr, ptr %a1
   %t19 = icmp eq ptr %t18, null
-  br i1 %t19, label %panic10491, label %ok10492
-panic10491:
-  call void @finch_panic(ptr @.str.6890, i64 269, ptr @.str.6891)
+  br i1 %t19, label %panic11018, label %ok11019
+panic11018:
+  call void @finch_panic(ptr @.str.7101, i64 269, ptr @.str.7102)
   unreachable
-ok10492:
+ok11019:
   %t20 = getelementptr inbounds %S.json.Reader, ptr %t18, i32 0, i32 0
   %t21 = load i64, ptr %a8
   %t22 = load { ptr, i64, i64 }, ptr %t20
   %t23 = extractvalue { ptr, i64, i64 } %t22, 1
   %t24 = icmp uge i64 %t21, %t23
-  br i1 %t24, label %range10493, label %inrange10494
-range10493:
-  call void @finch_panic_index(ptr @.str.6892, i64 269, i64 %t21, i64 %t23)
+  br i1 %t24, label %range11020, label %inrange11021
+range11020:
+  call void @finch_panic_index(ptr @.str.7103, i64 269, i64 %t21, i64 %t23)
   unreachable
-inrange10494:
+inrange11021:
   %t25 = extractvalue { ptr, i64, i64 } %t22, 0
   %t26 = getelementptr inbounds i8, ptr %t25, i64 %t21
   %t27 = load i8, ptr %t26
   %t28 = icmp eq i8 %t27, 10
-  br label %logic.rend10495
-logic.rend10495:
-  br label %logic.end10490
-logic.end10490:
-  %t29 = phi i1 [ false, %logic.from10488 ], [ %t28, %logic.rend10495 ]
-  br i1 %t29, label %then10496, label %else10497
-then10496:
+  br label %logic.rend11022
+logic.rend11022:
+  br label %logic.end11017
+logic.end11017:
+  %t29 = phi i1 [ false, %logic.from11015 ], [ %t28, %logic.rend11022 ]
+  br i1 %t29, label %then11023, label %else11024
+then11023:
   %t30 = load i64, ptr %a2
   %t31 = add i64 %t30, 1
   store i64 %t31, ptr %a2
   store i64 1, ptr %a3
-  br label %endif10498
-else10497:
+  br label %endif11025
+else11024:
   %t32 = load i64, ptr %a3
   %t33 = add i64 %t32, 1
   store i64 %t33, ptr %a3
-  br label %endif10498
-endif10498:
-  br label %for.step10484
-for.step10484:
+  br label %endif11025
+endif11025:
+  br label %for.step11011
+for.step11011:
   %t34 = load i64, ptr %a8
   %t35 = add i64 %t34, 1
   store i64 %t35, ptr %a8
-  br label %for.cond10482
-for.end10485:
+  br label %for.cond11009
+for.end11012:
   %t36 = load i64, ptr %a2
   call void @finch_str_from_int(ptr %a37, i64 %t36)
   %t38 = load { ptr, i64, i64 }, ptr %a37
-  store { ptr, i64, i64 } { ptr @.str.6893, i64 5, i64 0 }, ptr %a40
+  store { ptr, i64, i64 } { ptr @.str.7104, i64 5, i64 0 }, ptr %a40
   store { ptr, i64, i64 } %t38, ptr %a41
   call void @finch_str_concat(ptr %a39, ptr %a40, ptr %a41)
-  %t42 = load { ptr, i64, i64 }, ptr %a39
-  store { ptr, i64, i64 } %t42, ptr %a44
-  store { ptr, i64, i64 } { ptr @.str.6894, i64 9, i64 0 }, ptr %a45
-  call void @finch_str_concat(ptr %a43, ptr %a44, ptr %a45)
-  %t46 = load { ptr, i64, i64 }, ptr %a43
-  %t47 = load i64, ptr %a3
-  call void @finch_str_from_int(ptr %a48, i64 %t47)
-  %t49 = load { ptr, i64, i64 }, ptr %a48
-  store { ptr, i64, i64 } %t46, ptr %a51
-  store { ptr, i64, i64 } %t49, ptr %a52
-  call void @finch_str_concat(ptr %a50, ptr %a51, ptr %a52)
-  %t53 = load { ptr, i64, i64 }, ptr %a50
-  ret { ptr, i64, i64 } %t53
+  store { ptr, i64, i64 } %t38, ptr %a42
+  call void @finch_str_drop(ptr %a42)
+  %t43 = load { ptr, i64, i64 }, ptr %a39
+  store { ptr, i64, i64 } %t43, ptr %a45
+  store { ptr, i64, i64 } { ptr @.str.7105, i64 9, i64 0 }, ptr %a46
+  call void @finch_str_concat(ptr %a44, ptr %a45, ptr %a46)
+  store { ptr, i64, i64 } %t43, ptr %a47
+  call void @finch_str_drop(ptr %a47)
+  %t48 = load { ptr, i64, i64 }, ptr %a44
+  %t49 = load i64, ptr %a3
+  call void @finch_str_from_int(ptr %a50, i64 %t49)
+  %t51 = load { ptr, i64, i64 }, ptr %a50
+  store { ptr, i64, i64 } %t48, ptr %a53
+  store { ptr, i64, i64 } %t51, ptr %a54
+  call void @finch_str_concat(ptr %a52, ptr %a53, ptr %a54)
+  store { ptr, i64, i64 } %t48, ptr %a55
+  call void @finch_str_drop(ptr %a55)
+  store { ptr, i64, i64 } %t51, ptr %a56
+  call void @finch_str_drop(ptr %a56)
+  %t57 = load { ptr, i64, i64 }, ptr %a52
+  ret { ptr, i64, i64 } %t57
 }
 
 define internal i8 @finch.json.peek(ptr %p0) {
@@ -92798,56 +110765,56 @@ entry:
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10499, label %ok10500
-panic10499:
-  call void @finch_panic(ptr @.str.6895, i64 280, ptr @.str.6896)
+  br i1 %t3, label %panic11026, label %ok11027
+panic11026:
+  call void @finch_panic(ptr @.str.7106, i64 280, ptr @.str.7107)
   unreachable
-ok10500:
+ok11027:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10501, label %ok10502
-panic10501:
-  call void @finch_panic(ptr @.str.6897, i64 280, ptr @.str.6898)
+  br i1 %t7, label %panic11028, label %ok11029
+panic11028:
+  call void @finch_panic(ptr @.str.7108, i64 280, ptr @.str.7109)
   unreachable
-ok10502:
+ok11029:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 0
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp slt i64 %t5, %t10
-  br i1 %t11, label %then10503, label %endif10505
-then10503:
+  br i1 %t11, label %then11030, label %endif11032
+then11030:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic10506, label %ok10507
-panic10506:
-  call void @finch_panic(ptr @.str.6899, i64 281, ptr @.str.6900)
+  br i1 %t13, label %panic11033, label %ok11034
+panic11033:
+  call void @finch_panic(ptr @.str.7110, i64 281, ptr @.str.7111)
   unreachable
-ok10507:
+ok11034:
   %t14 = getelementptr inbounds %S.json.Reader, ptr %t12, i32 0, i32 0
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic10508, label %ok10509
-panic10508:
-  call void @finch_panic(ptr @.str.6901, i64 281, ptr @.str.6902)
+  br i1 %t16, label %panic11035, label %ok11036
+panic11035:
+  call void @finch_panic(ptr @.str.7112, i64 281, ptr @.str.7113)
   unreachable
-ok10509:
+ok11036:
   %t17 = getelementptr inbounds %S.json.Reader, ptr %t15, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = load { ptr, i64, i64 }, ptr %t14
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range10510, label %inrange10511
-range10510:
-  call void @finch_panic_index(ptr @.str.6903, i64 281, i64 %t18, i64 %t20)
+  br i1 %t21, label %range11037, label %inrange11038
+range11037:
+  call void @finch_panic_index(ptr @.str.7114, i64 281, i64 %t18, i64 %t20)
   unreachable
-inrange10511:
+inrange11038:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds i8, ptr %t22, i64 %t18
   %t24 = load i8, ptr %t23
   ret i8 %t24
-endif10505:
+endif11032:
   %t25 = trunc i64 0 to i8
   ret i8 %t25
 }
@@ -92856,195 +110823,195 @@ define internal void @finch.json.skip_space(ptr %p0) {
 entry:
   %a1 = alloca ptr, align 16
   store ptr %p0, ptr %a1
-  br label %while.cond10512
-while.cond10512:
+  br label %while.cond11039
+while.cond11039:
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10515, label %ok10516
-panic10515:
-  call void @finch_panic(ptr @.str.6904, i64 287, ptr @.str.6905)
+  br i1 %t3, label %panic11042, label %ok11043
+panic11042:
+  call void @finch_panic(ptr @.str.7115, i64 287, ptr @.str.7116)
   unreachable
-ok10516:
+ok11043:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10517, label %ok10518
-panic10517:
-  call void @finch_panic(ptr @.str.6906, i64 287, ptr @.str.6907)
+  br i1 %t7, label %panic11044, label %ok11045
+panic11044:
+  call void @finch_panic(ptr @.str.7117, i64 287, ptr @.str.7118)
   unreachable
-ok10518:
+ok11045:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 0
   %t9 = getelementptr inbounds { ptr, i64, i64 }, ptr %t8, i32 0, i32 1
   %t10 = load i64, ptr %t9
   %t11 = icmp slt i64 %t5, %t10
-  br label %logic.from10519
-logic.from10519:
-  br i1 %t11, label %logic.rhs10520, label %logic.end10521
-logic.rhs10520:
+  br label %logic.from11046
+logic.from11046:
+  br i1 %t11, label %logic.rhs11047, label %logic.end11048
+logic.rhs11047:
   %t12 = load ptr, ptr %a1
   %t13 = icmp eq ptr %t12, null
-  br i1 %t13, label %panic10522, label %ok10523
-panic10522:
-  call void @finch_panic(ptr @.str.6908, i64 287, ptr @.str.6909)
+  br i1 %t13, label %panic11049, label %ok11050
+panic11049:
+  call void @finch_panic(ptr @.str.7119, i64 287, ptr @.str.7120)
   unreachable
-ok10523:
+ok11050:
   %t14 = getelementptr inbounds %S.json.Reader, ptr %t12, i32 0, i32 0
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic10524, label %ok10525
-panic10524:
-  call void @finch_panic(ptr @.str.6910, i64 287, ptr @.str.6911)
+  br i1 %t16, label %panic11051, label %ok11052
+panic11051:
+  call void @finch_panic(ptr @.str.7121, i64 287, ptr @.str.7122)
   unreachable
-ok10525:
+ok11052:
   %t17 = getelementptr inbounds %S.json.Reader, ptr %t15, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = load { ptr, i64, i64 }, ptr %t14
   %t20 = extractvalue { ptr, i64, i64 } %t19, 1
   %t21 = icmp uge i64 %t18, %t20
-  br i1 %t21, label %range10526, label %inrange10527
-range10526:
-  call void @finch_panic_index(ptr @.str.6912, i64 287, i64 %t18, i64 %t20)
+  br i1 %t21, label %range11053, label %inrange11054
+range11053:
+  call void @finch_panic_index(ptr @.str.7123, i64 287, i64 %t18, i64 %t20)
   unreachable
-inrange10527:
+inrange11054:
   %t22 = extractvalue { ptr, i64, i64 } %t19, 0
   %t23 = getelementptr inbounds i8, ptr %t22, i64 %t18
   %t24 = load i8, ptr %t23
   %t25 = icmp eq i8 %t24, 32
-  br label %logic.from10528
-logic.from10528:
-  br i1 %t25, label %logic.end10530, label %logic.rhs10529
-logic.rhs10529:
+  br label %logic.from11055
+logic.from11055:
+  br i1 %t25, label %logic.end11057, label %logic.rhs11056
+logic.rhs11056:
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic10531, label %ok10532
-panic10531:
-  call void @finch_panic(ptr @.str.6913, i64 287, ptr @.str.6914)
+  br i1 %t27, label %panic11058, label %ok11059
+panic11058:
+  call void @finch_panic(ptr @.str.7124, i64 287, ptr @.str.7125)
   unreachable
-ok10532:
+ok11059:
   %t28 = getelementptr inbounds %S.json.Reader, ptr %t26, i32 0, i32 0
   %t29 = load ptr, ptr %a1
   %t30 = icmp eq ptr %t29, null
-  br i1 %t30, label %panic10533, label %ok10534
-panic10533:
-  call void @finch_panic(ptr @.str.6915, i64 287, ptr @.str.6916)
+  br i1 %t30, label %panic11060, label %ok11061
+panic11060:
+  call void @finch_panic(ptr @.str.7126, i64 287, ptr @.str.7127)
   unreachable
-ok10534:
+ok11061:
   %t31 = getelementptr inbounds %S.json.Reader, ptr %t29, i32 0, i32 1
   %t32 = load i64, ptr %t31
   %t33 = load { ptr, i64, i64 }, ptr %t28
   %t34 = extractvalue { ptr, i64, i64 } %t33, 1
   %t35 = icmp uge i64 %t32, %t34
-  br i1 %t35, label %range10535, label %inrange10536
-range10535:
-  call void @finch_panic_index(ptr @.str.6917, i64 287, i64 %t32, i64 %t34)
+  br i1 %t35, label %range11062, label %inrange11063
+range11062:
+  call void @finch_panic_index(ptr @.str.7128, i64 287, i64 %t32, i64 %t34)
   unreachable
-inrange10536:
+inrange11063:
   %t36 = extractvalue { ptr, i64, i64 } %t33, 0
   %t37 = getelementptr inbounds i8, ptr %t36, i64 %t32
   %t38 = load i8, ptr %t37
   %t39 = icmp eq i8 %t38, 10
-  br label %logic.rend10537
-logic.rend10537:
-  br label %logic.end10530
-logic.end10530:
-  %t40 = phi i1 [ true, %logic.from10528 ], [ %t39, %logic.rend10537 ]
-  br label %logic.from10538
-logic.from10538:
-  br i1 %t40, label %logic.end10540, label %logic.rhs10539
-logic.rhs10539:
+  br label %logic.rend11064
+logic.rend11064:
+  br label %logic.end11057
+logic.end11057:
+  %t40 = phi i1 [ true, %logic.from11055 ], [ %t39, %logic.rend11064 ]
+  br label %logic.from11065
+logic.from11065:
+  br i1 %t40, label %logic.end11067, label %logic.rhs11066
+logic.rhs11066:
   %t41 = load ptr, ptr %a1
   %t42 = icmp eq ptr %t41, null
-  br i1 %t42, label %panic10541, label %ok10542
-panic10541:
-  call void @finch_panic(ptr @.str.6918, i64 287, ptr @.str.6919)
+  br i1 %t42, label %panic11068, label %ok11069
+panic11068:
+  call void @finch_panic(ptr @.str.7129, i64 287, ptr @.str.7130)
   unreachable
-ok10542:
+ok11069:
   %t43 = getelementptr inbounds %S.json.Reader, ptr %t41, i32 0, i32 0
   %t44 = load ptr, ptr %a1
   %t45 = icmp eq ptr %t44, null
-  br i1 %t45, label %panic10543, label %ok10544
-panic10543:
-  call void @finch_panic(ptr @.str.6920, i64 287, ptr @.str.6921)
+  br i1 %t45, label %panic11070, label %ok11071
+panic11070:
+  call void @finch_panic(ptr @.str.7131, i64 287, ptr @.str.7132)
   unreachable
-ok10544:
+ok11071:
   %t46 = getelementptr inbounds %S.json.Reader, ptr %t44, i32 0, i32 1
   %t47 = load i64, ptr %t46
   %t48 = load { ptr, i64, i64 }, ptr %t43
   %t49 = extractvalue { ptr, i64, i64 } %t48, 1
   %t50 = icmp uge i64 %t47, %t49
-  br i1 %t50, label %range10545, label %inrange10546
-range10545:
-  call void @finch_panic_index(ptr @.str.6922, i64 287, i64 %t47, i64 %t49)
+  br i1 %t50, label %range11072, label %inrange11073
+range11072:
+  call void @finch_panic_index(ptr @.str.7133, i64 287, i64 %t47, i64 %t49)
   unreachable
-inrange10546:
+inrange11073:
   %t51 = extractvalue { ptr, i64, i64 } %t48, 0
   %t52 = getelementptr inbounds i8, ptr %t51, i64 %t47
   %t53 = load i8, ptr %t52
   %t54 = icmp eq i8 %t53, 9
-  br label %logic.rend10547
-logic.rend10547:
-  br label %logic.end10540
-logic.end10540:
-  %t55 = phi i1 [ true, %logic.from10538 ], [ %t54, %logic.rend10547 ]
-  br label %logic.from10548
-logic.from10548:
-  br i1 %t55, label %logic.end10550, label %logic.rhs10549
-logic.rhs10549:
+  br label %logic.rend11074
+logic.rend11074:
+  br label %logic.end11067
+logic.end11067:
+  %t55 = phi i1 [ true, %logic.from11065 ], [ %t54, %logic.rend11074 ]
+  br label %logic.from11075
+logic.from11075:
+  br i1 %t55, label %logic.end11077, label %logic.rhs11076
+logic.rhs11076:
   %t56 = load ptr, ptr %a1
   %t57 = icmp eq ptr %t56, null
-  br i1 %t57, label %panic10551, label %ok10552
-panic10551:
-  call void @finch_panic(ptr @.str.6923, i64 287, ptr @.str.6924)
+  br i1 %t57, label %panic11078, label %ok11079
+panic11078:
+  call void @finch_panic(ptr @.str.7134, i64 287, ptr @.str.7135)
   unreachable
-ok10552:
+ok11079:
   %t58 = getelementptr inbounds %S.json.Reader, ptr %t56, i32 0, i32 0
   %t59 = load ptr, ptr %a1
   %t60 = icmp eq ptr %t59, null
-  br i1 %t60, label %panic10553, label %ok10554
-panic10553:
-  call void @finch_panic(ptr @.str.6925, i64 287, ptr @.str.6926)
+  br i1 %t60, label %panic11080, label %ok11081
+panic11080:
+  call void @finch_panic(ptr @.str.7136, i64 287, ptr @.str.7137)
   unreachable
-ok10554:
+ok11081:
   %t61 = getelementptr inbounds %S.json.Reader, ptr %t59, i32 0, i32 1
   %t62 = load i64, ptr %t61
   %t63 = load { ptr, i64, i64 }, ptr %t58
   %t64 = extractvalue { ptr, i64, i64 } %t63, 1
   %t65 = icmp uge i64 %t62, %t64
-  br i1 %t65, label %range10555, label %inrange10556
-range10555:
-  call void @finch_panic_index(ptr @.str.6927, i64 287, i64 %t62, i64 %t64)
+  br i1 %t65, label %range11082, label %inrange11083
+range11082:
+  call void @finch_panic_index(ptr @.str.7138, i64 287, i64 %t62, i64 %t64)
   unreachable
-inrange10556:
+inrange11083:
   %t66 = extractvalue { ptr, i64, i64 } %t63, 0
   %t67 = getelementptr inbounds i8, ptr %t66, i64 %t62
   %t68 = load i8, ptr %t67
   %t69 = icmp eq i8 %t68, 13
-  br label %logic.rend10557
-logic.rend10557:
-  br label %logic.end10550
-logic.end10550:
-  %t70 = phi i1 [ true, %logic.from10548 ], [ %t69, %logic.rend10557 ]
-  br label %logic.rend10558
-logic.rend10558:
-  br label %logic.end10521
-logic.end10521:
-  %t71 = phi i1 [ false, %logic.from10519 ], [ %t70, %logic.rend10558 ]
-  br i1 %t71, label %while.body10513, label %while.end10514
-while.body10513:
+  br label %logic.rend11084
+logic.rend11084:
+  br label %logic.end11077
+logic.end11077:
+  %t70 = phi i1 [ true, %logic.from11075 ], [ %t69, %logic.rend11084 ]
+  br label %logic.rend11085
+logic.rend11085:
+  br label %logic.end11048
+logic.end11048:
+  %t71 = phi i1 [ false, %logic.from11046 ], [ %t70, %logic.rend11085 ]
+  br i1 %t71, label %while.body11040, label %while.end11041
+while.body11040:
   %t72 = load ptr, ptr %a1
   %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic10559, label %ok10560
-panic10559:
-  call void @finch_panic(ptr @.str.6928, i64 288, ptr @.str.6929)
+  br i1 %t73, label %panic11086, label %ok11087
+panic11086:
+  call void @finch_panic(ptr @.str.7139, i64 288, ptr @.str.7140)
   unreachable
-ok10560:
+ok11087:
   %t74 = getelementptr inbounds %S.json.Reader, ptr %t72, i32 0, i32 1
   %t75 = load i64, ptr %t74
   %t76 = add i64 %t75, 1
   store i64 %t76, ptr %t74
-  br label %while.cond10512
-while.end10514:
+  br label %while.cond11039
+while.end11041:
   ret void
 }
 
@@ -93058,134 +111025,167 @@ entry:
   %a18 = alloca { ptr, i64, i64 }, align 16
   %a19 = alloca { ptr, i64, i64 }, align 16
   %a20 = alloca { ptr, i64, i64 }, align 16
-  %a24 = alloca { ptr, i64, i64 }, align 16
+  %a21 = alloca { ptr, i64, i64 }, align 16
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
+  %a27 = alloca { ptr, i64, i64 }, align 16
   %a28 = alloca { ptr, i64, i64 }, align 16
   %a29 = alloca { ptr, i64, i64 }, align 16
-  %a30 = alloca { ptr, i64, i64 }, align 16
-  %a45 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca { ptr, i64, i64 }, align 16
-  %a48 = alloca { ptr, i64, i64 }, align 16
+  %a31 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a34 = alloca { ptr, i64, i64 }, align 16
   %a49 = alloca { ptr, i64, i64 }, align 16
   %a51 = alloca { ptr, i64, i64 }, align 16
   %a52 = alloca { ptr, i64, i64 }, align 16
   %a53 = alloca { ptr, i64, i64 }, align 16
+  %a54 = alloca { ptr, i64, i64 }, align 16
   %a56 = alloca { ptr, i64, i64 }, align 16
   %a57 = alloca { ptr, i64, i64 }, align 16
   %a58 = alloca { ptr, i64, i64 }, align 16
-  %a60 = alloca { ptr, i64, i64 }, align 16
-  %a61 = alloca { ptr, i64, i64 }, align 16
+  %a59 = alloca { ptr, i64, i64 }, align 16
   %a62 = alloca { ptr, i64, i64 }, align 16
-  %a66 = alloca { ptr, i64, i64 }, align 16
+  %a63 = alloca { ptr, i64, i64 }, align 16
+  %a64 = alloca { ptr, i64, i64 }, align 16
+  %a65 = alloca { ptr, i64, i64 }, align 16
   %a67 = alloca { ptr, i64, i64 }, align 16
   %a68 = alloca { ptr, i64, i64 }, align 16
+  %a69 = alloca { ptr, i64, i64 }, align 16
   %a70 = alloca { ptr, i64, i64 }, align 16
-  %a71 = alloca { ptr, i64, i64 }, align 16
-  %a72 = alloca { ptr, i64, i64 }, align 16
+  %a74 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
+  %a77 = alloca { ptr, i64, i64 }, align 16
+  %a78 = alloca { ptr, i64, i64 }, align 16
+  %a80 = alloca { ptr, i64, i64 }, align 16
+  %a81 = alloca { ptr, i64, i64 }, align 16
+  %a82 = alloca { ptr, i64, i64 }, align 16
+  %a83 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic10561, label %ok10562
-panic10561:
-  call void @finch_panic(ptr @.str.6930, i64 293, ptr @.str.6931)
+  br i1 %t4, label %panic11088, label %ok11089
+panic11088:
+  call void @finch_panic(ptr @.str.7141, i64 293, ptr @.str.7142)
   unreachable
-ok10562:
+ok11089:
   %t5 = getelementptr inbounds %S.json.Reader, ptr %t3, i32 0, i32 1
   %t6 = load i64, ptr %t5
   %t7 = load ptr, ptr %a1
   %t8 = icmp eq ptr %t7, null
-  br i1 %t8, label %panic10563, label %ok10564
-panic10563:
-  call void @finch_panic(ptr @.str.6932, i64 293, ptr @.str.6933)
+  br i1 %t8, label %panic11090, label %ok11091
+panic11090:
+  call void @finch_panic(ptr @.str.7143, i64 293, ptr @.str.7144)
   unreachable
-ok10564:
+ok11091:
   %t9 = getelementptr inbounds %S.json.Reader, ptr %t7, i32 0, i32 0
   %t10 = getelementptr inbounds { ptr, i64, i64 }, ptr %t9, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = icmp sge i64 %t6, %t11
-  br i1 %t12, label %then10565, label %endif10567
-then10565:
+  br i1 %t12, label %then11092, label %endif11094
+then11092:
   %t13 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.6934, i64 26, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.7145, i64 26, i64 0 }, ptr %a15
   store { ptr, i64, i64 } %t13, ptr %a16
   call void @finch_str_concat(ptr %a14, ptr %a15, ptr %a16)
   %t17 = load { ptr, i64, i64 }, ptr %a14
   store { ptr, i64, i64 } %t17, ptr %a19
-  store { ptr, i64, i64 } { ptr @.str.6935, i64 12, i64 0 }, ptr %a20
+  store { ptr, i64, i64 } { ptr @.str.7146, i64 12, i64 0 }, ptr %a20
   call void @finch_str_concat(ptr %a18, ptr %a19, ptr %a20)
-  %t21 = load { ptr, i64, i64 }, ptr %a18
-  %t22 = load ptr, ptr %a1
-  %t23 = call { ptr, i64, i64 } @finch.json.where(ptr %t22)
-  store { ptr, i64, i64 } %t21, ptr %a25
-  store { ptr, i64, i64 } %t23, ptr %a26
-  call void @finch_str_concat(ptr %a24, ptr %a25, ptr %a26)
-  %t27 = load { ptr, i64, i64 }, ptr %a24
-  store { ptr, i64, i64 } %t27, ptr %a29
-  store { ptr, i64, i64 } { ptr @.str.6936, i64 1, i64 0 }, ptr %a30
-  call void @finch_str_concat(ptr %a28, ptr %a29, ptr %a30)
-  %t31 = load { ptr, i64, i64 }, ptr %a28
-  ret { ptr, i64, i64 } %t31
-endif10567:
-  %t32 = load ptr, ptr %a1
-  %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic10568, label %ok10569
-panic10568:
-  call void @finch_panic(ptr @.str.6938, i64 296, ptr @.str.6939)
+  store { ptr, i64, i64 } %t17, ptr %a21
+  call void @finch_str_drop(ptr %a21)
+  %t22 = load { ptr, i64, i64 }, ptr %a18
+  %t23 = load ptr, ptr %a1
+  %t24 = call { ptr, i64, i64 } @finch.json.where(ptr %t23)
+  store { ptr, i64, i64 } %t22, ptr %a26
+  store { ptr, i64, i64 } %t24, ptr %a27
+  call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
+  store { ptr, i64, i64 } %t22, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  store { ptr, i64, i64 } %t24, ptr %a29
+  call void @finch_str_drop(ptr %a29)
+  %t30 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t30, ptr %a32
+  store { ptr, i64, i64 } { ptr @.str.7147, i64 1, i64 0 }, ptr %a33
+  call void @finch_str_concat(ptr %a31, ptr %a32, ptr %a33)
+  store { ptr, i64, i64 } %t30, ptr %a34
+  call void @finch_str_drop(ptr %a34)
+  %t35 = load { ptr, i64, i64 }, ptr %a31
+  ret { ptr, i64, i64 } %t35
+endif11094:
+  %t36 = load ptr, ptr %a1
+  %t37 = icmp eq ptr %t36, null
+  br i1 %t37, label %panic11095, label %ok11096
+panic11095:
+  call void @finch_panic(ptr @.str.7149, i64 296, ptr @.str.7150)
   unreachable
-ok10569:
-  %t34 = getelementptr inbounds %S.json.Reader, ptr %t32, i32 0, i32 0
-  %t35 = load ptr, ptr %a1
-  %t36 = icmp eq ptr %t35, null
-  br i1 %t36, label %panic10570, label %ok10571
-panic10570:
-  call void @finch_panic(ptr @.str.6940, i64 296, ptr @.str.6941)
+ok11096:
+  %t38 = getelementptr inbounds %S.json.Reader, ptr %t36, i32 0, i32 0
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic11097, label %ok11098
+panic11097:
+  call void @finch_panic(ptr @.str.7151, i64 296, ptr @.str.7152)
   unreachable
-ok10571:
-  %t37 = getelementptr inbounds %S.json.Reader, ptr %t35, i32 0, i32 1
-  %t38 = load i64, ptr %t37
-  %t39 = load { ptr, i64, i64 }, ptr %t34
-  %t40 = extractvalue { ptr, i64, i64 } %t39, 1
-  %t41 = icmp uge i64 %t38, %t40
-  br i1 %t41, label %range10572, label %inrange10573
-range10572:
-  call void @finch_panic_index(ptr @.str.6942, i64 296, i64 %t38, i64 %t40)
+ok11098:
+  %t41 = getelementptr inbounds %S.json.Reader, ptr %t39, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = load { ptr, i64, i64 }, ptr %t38
+  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
+  %t45 = icmp uge i64 %t42, %t44
+  br i1 %t45, label %range11099, label %inrange11100
+range11099:
+  call void @finch_panic_index(ptr @.str.7153, i64 296, i64 %t42, i64 %t44)
   unreachable
-inrange10573:
-  %t42 = extractvalue { ptr, i64, i64 } %t39, 0
-  %t43 = getelementptr inbounds i8, ptr %t42, i64 %t38
-  %t44 = load i8, ptr %t43
-  call void @finch_str_from_char(ptr %a45, i8 signext %t44)
-  %t46 = load { ptr, i64, i64 }, ptr %a45
-  store { ptr, i64, i64 } { ptr @.str.6937, i64 13, i64 0 }, ptr %a48
-  store { ptr, i64, i64 } %t46, ptr %a49
-  call void @finch_str_concat(ptr %a47, ptr %a48, ptr %a49)
-  %t50 = load { ptr, i64, i64 }, ptr %a47
-  store { ptr, i64, i64 } %t50, ptr %a52
-  store { ptr, i64, i64 } { ptr @.str.6943, i64 8, i64 0 }, ptr %a53
+inrange11100:
+  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
+  %t47 = getelementptr inbounds i8, ptr %t46, i64 %t42
+  %t48 = load i8, ptr %t47
+  call void @finch_str_from_char(ptr %a49, i8 signext %t48)
+  %t50 = load { ptr, i64, i64 }, ptr %a49
+  store { ptr, i64, i64 } { ptr @.str.7148, i64 13, i64 0 }, ptr %a52
+  store { ptr, i64, i64 } %t50, ptr %a53
   call void @finch_str_concat(ptr %a51, ptr %a52, ptr %a53)
-  %t54 = load { ptr, i64, i64 }, ptr %a51
-  %t55 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } %t54, ptr %a57
-  store { ptr, i64, i64 } %t55, ptr %a58
+  store { ptr, i64, i64 } %t50, ptr %a54
+  call void @finch_str_drop(ptr %a54)
+  %t55 = load { ptr, i64, i64 }, ptr %a51
+  store { ptr, i64, i64 } %t55, ptr %a57
+  store { ptr, i64, i64 } { ptr @.str.7154, i64 8, i64 0 }, ptr %a58
   call void @finch_str_concat(ptr %a56, ptr %a57, ptr %a58)
-  %t59 = load { ptr, i64, i64 }, ptr %a56
-  store { ptr, i64, i64 } %t59, ptr %a61
-  store { ptr, i64, i64 } { ptr @.str.6944, i64 12, i64 0 }, ptr %a62
-  call void @finch_str_concat(ptr %a60, ptr %a61, ptr %a62)
-  %t63 = load { ptr, i64, i64 }, ptr %a60
-  %t64 = load ptr, ptr %a1
-  %t65 = call { ptr, i64, i64 } @finch.json.where(ptr %t64)
-  store { ptr, i64, i64 } %t63, ptr %a67
-  store { ptr, i64, i64 } %t65, ptr %a68
-  call void @finch_str_concat(ptr %a66, ptr %a67, ptr %a68)
-  %t69 = load { ptr, i64, i64 }, ptr %a66
-  store { ptr, i64, i64 } %t69, ptr %a71
-  store { ptr, i64, i64 } { ptr @.str.6945, i64 1, i64 0 }, ptr %a72
-  call void @finch_str_concat(ptr %a70, ptr %a71, ptr %a72)
-  %t73 = load { ptr, i64, i64 }, ptr %a70
-  ret { ptr, i64, i64 } %t73
+  store { ptr, i64, i64 } %t55, ptr %a59
+  call void @finch_str_drop(ptr %a59)
+  %t60 = load { ptr, i64, i64 }, ptr %a56
+  %t61 = load { ptr, i64, i64 }, ptr %a2
+  store { ptr, i64, i64 } %t60, ptr %a63
+  store { ptr, i64, i64 } %t61, ptr %a64
+  call void @finch_str_concat(ptr %a62, ptr %a63, ptr %a64)
+  store { ptr, i64, i64 } %t60, ptr %a65
+  call void @finch_str_drop(ptr %a65)
+  %t66 = load { ptr, i64, i64 }, ptr %a62
+  store { ptr, i64, i64 } %t66, ptr %a68
+  store { ptr, i64, i64 } { ptr @.str.7155, i64 12, i64 0 }, ptr %a69
+  call void @finch_str_concat(ptr %a67, ptr %a68, ptr %a69)
+  store { ptr, i64, i64 } %t66, ptr %a70
+  call void @finch_str_drop(ptr %a70)
+  %t71 = load { ptr, i64, i64 }, ptr %a67
+  %t72 = load ptr, ptr %a1
+  %t73 = call { ptr, i64, i64 } @finch.json.where(ptr %t72)
+  store { ptr, i64, i64 } %t71, ptr %a75
+  store { ptr, i64, i64 } %t73, ptr %a76
+  call void @finch_str_concat(ptr %a74, ptr %a75, ptr %a76)
+  store { ptr, i64, i64 } %t71, ptr %a77
+  call void @finch_str_drop(ptr %a77)
+  store { ptr, i64, i64 } %t73, ptr %a78
+  call void @finch_str_drop(ptr %a78)
+  %t79 = load { ptr, i64, i64 }, ptr %a74
+  store { ptr, i64, i64 } %t79, ptr %a81
+  store { ptr, i64, i64 } { ptr @.str.7156, i64 1, i64 0 }, ptr %a82
+  call void @finch_str_concat(ptr %a80, ptr %a81, ptr %a82)
+  store { ptr, i64, i64 } %t79, ptr %a83
+  call void @finch_str_drop(ptr %a83)
+  %t84 = load { ptr, i64, i64 }, ptr %a80
+  ret { ptr, i64, i64 } %t84
 }
 
 define internal i1 @finch.json.comes(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -93196,79 +111196,82 @@ entry:
   %a21 = alloca { ptr, i64, i64 }, align 16
   %a35 = alloca { ptr, i64, i64 }, align 16
   %a36 = alloca { ptr, i64, i64 }, align 16
+  %a39 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = icmp eq ptr %t3, null
-  br i1 %t4, label %panic10574, label %ok10575
-panic10574:
-  call void @finch_panic(ptr @.str.6946, i64 301, ptr @.str.6947)
+  br i1 %t4, label %panic11101, label %ok11102
+panic11101:
+  call void @finch_panic(ptr @.str.7157, i64 301, ptr @.str.7158)
   unreachable
-ok10575:
+ok11102:
   %t5 = getelementptr inbounds %S.json.Reader, ptr %t3, i32 0, i32 0
   %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i32 0, i32 1
   %t7 = load i64, ptr %t6
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic10576, label %ok10577
-panic10576:
-  call void @finch_panic(ptr @.str.6948, i64 301, ptr @.str.6949)
+  br i1 %t9, label %panic11103, label %ok11104
+panic11103:
+  call void @finch_panic(ptr @.str.7159, i64 301, ptr @.str.7160)
   unreachable
-ok10577:
+ok11104:
   %t10 = getelementptr inbounds %S.json.Reader, ptr %t8, i32 0, i32 1
   %t11 = load i64, ptr %t10
   %t12 = sub i64 %t7, %t11
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sge i64 %t12, %t14
-  br label %logic.from10578
-logic.from10578:
-  br i1 %t15, label %logic.rhs10579, label %logic.end10580
-logic.rhs10579:
+  br label %logic.from11105
+logic.from11105:
+  br i1 %t15, label %logic.rhs11106, label %logic.end11107
+logic.rhs11106:
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic10581, label %ok10582
-panic10581:
-  call void @finch_panic(ptr @.str.6950, i64 301, ptr @.str.6951)
+  br i1 %t17, label %panic11108, label %ok11109
+panic11108:
+  call void @finch_panic(ptr @.str.7161, i64 301, ptr @.str.7162)
   unreachable
-ok10582:
+ok11109:
   %t18 = getelementptr inbounds %S.json.Reader, ptr %t16, i32 0, i32 0
   %t19 = load { ptr, i64, i64 }, ptr %t18
   store { ptr, i64, i64 } %t19, ptr %a20
   %t22 = load ptr, ptr %a1
   %t23 = icmp eq ptr %t22, null
-  br i1 %t23, label %panic10583, label %ok10584
-panic10583:
-  call void @finch_panic(ptr @.str.6953, i64 301, ptr @.str.6954)
+  br i1 %t23, label %panic11110, label %ok11111
+panic11110:
+  call void @finch_panic(ptr @.str.7164, i64 301, ptr @.str.7165)
   unreachable
-ok10584:
+ok11111:
   %t24 = getelementptr inbounds %S.json.Reader, ptr %t22, i32 0, i32 1
   %t25 = load i64, ptr %t24
   %t26 = load ptr, ptr %a1
   %t27 = icmp eq ptr %t26, null
-  br i1 %t27, label %panic10585, label %ok10586
-panic10585:
-  call void @finch_panic(ptr @.str.6955, i64 301, ptr @.str.6956)
+  br i1 %t27, label %panic11112, label %ok11113
+panic11112:
+  call void @finch_panic(ptr @.str.7166, i64 301, ptr @.str.7167)
   unreachable
-ok10586:
+ok11113:
   %t28 = getelementptr inbounds %S.json.Reader, ptr %t26, i32 0, i32 1
   %t29 = load i64, ptr %t28
   %t30 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = add i64 %t29, %t31
-  call void @finch_str_sub(ptr %a21, ptr %a20, i64 %t25, i64 %t32, ptr @.str.6952, i64 301)
+  call void @finch_str_sub(ptr %a21, ptr %a20, i64 %t25, i64 %t32, ptr @.str.7163, i64 301)
   %t33 = load { ptr, i64, i64 }, ptr %a21
   %t34 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } %t33, ptr %a35
   store { ptr, i64, i64 } %t34, ptr %a36
   %t37 = call i32 @finch_str_eq(ptr %a35, ptr %a36)
   %t38 = icmp ne i32 %t37, 0
-  br label %logic.rend10587
-logic.rend10587:
-  br label %logic.end10580
-logic.end10580:
-  %t39 = phi i1 [ false, %logic.from10578 ], [ %t38, %logic.rend10587 ]
-  ret i1 %t39
+  store { ptr, i64, i64 } %t33, ptr %a39
+  call void @finch_str_drop(ptr %a39)
+  br label %logic.rend11114
+logic.rend11114:
+  br label %logic.end11107
+logic.end11107:
+  %t40 = phi i1 [ false, %logic.from11105 ], [ %t38, %logic.rend11114 ]
+  ret i1 %t40
 }
 
 define internal { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %p0, { ptr, i64, i64 } %p1) {
@@ -93281,41 +111284,47 @@ entry:
   %a13 = alloca { ptr, i64, i64 }, align 16
   %a14 = alloca { ptr, i64, i64 }, align 16
   %a15 = alloca { ptr, i64, i64 }, align 16
+  %a16 = alloca { ptr, i64, i64 }, align 16
+  %a19 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   store { ptr, i64, i64 } %p1, ptr %a2
   %t3 = load ptr, ptr %a1
   %t4 = load { ptr, i64, i64 }, ptr %a2
   %t5 = call i1 @finch.json.comes(ptr %t3, { ptr, i64, i64 } %t4)
   %t6 = xor i1 %t5, true
-  br i1 %t6, label %then10588, label %endif10590
-then10588:
+  br i1 %t6, label %then11115, label %endif11117
+then11115:
   %t7 = load ptr, ptr %a1
   %t8 = load { ptr, i64, i64 }, ptr %a2
-  store { ptr, i64, i64 } { ptr @.str.6957, i64 1, i64 0 }, ptr %a10
+  store { ptr, i64, i64 } { ptr @.str.7168, i64 1, i64 0 }, ptr %a10
   store { ptr, i64, i64 } %t8, ptr %a11
   call void @finch_str_concat(ptr %a9, ptr %a10, ptr %a11)
   %t12 = load { ptr, i64, i64 }, ptr %a9
   store { ptr, i64, i64 } %t12, ptr %a14
-  store { ptr, i64, i64 } { ptr @.str.6958, i64 1, i64 0 }, ptr %a15
+  store { ptr, i64, i64 } { ptr @.str.7169, i64 1, i64 0 }, ptr %a15
   call void @finch_str_concat(ptr %a13, ptr %a14, ptr %a15)
-  %t16 = load { ptr, i64, i64 }, ptr %a13
-  %t17 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t7, { ptr, i64, i64 } %t16)
-  %t18 = insertvalue { i1, i8, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t17, 2
-  ret { i1, i8, { ptr, i64, i64 } } %t18
-endif10590:
-  %t19 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
-  %t20 = load i64, ptr %t19
-  %t21 = load ptr, ptr %a1
-  %t22 = icmp eq ptr %t21, null
-  br i1 %t22, label %panic10591, label %ok10592
-panic10591:
-  call void @finch_panic(ptr @.str.6959, i64 308, ptr @.str.6960)
+  store { ptr, i64, i64 } %t12, ptr %a16
+  call void @finch_str_drop(ptr %a16)
+  %t17 = load { ptr, i64, i64 }, ptr %a13
+  %t18 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t7, { ptr, i64, i64 } %t17)
+  store { ptr, i64, i64 } %t17, ptr %a19
+  call void @finch_str_drop(ptr %a19)
+  %t20 = insertvalue { i1, i8, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t18, 2
+  ret { i1, i8, { ptr, i64, i64 } } %t20
+endif11117:
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
+  %t22 = load i64, ptr %t21
+  %t23 = load ptr, ptr %a1
+  %t24 = icmp eq ptr %t23, null
+  br i1 %t24, label %panic11118, label %ok11119
+panic11118:
+  call void @finch_panic(ptr @.str.7170, i64 308, ptr @.str.7171)
   unreachable
-ok10592:
-  %t23 = getelementptr inbounds %S.json.Reader, ptr %t21, i32 0, i32 1
-  %t24 = load i64, ptr %t23
-  %t25 = add i64 %t24, %t20
-  store i64 %t25, ptr %t23
+ok11119:
+  %t25 = getelementptr inbounds %S.json.Reader, ptr %t23, i32 0, i32 1
+  %t26 = load i64, ptr %t25
+  %t27 = add i64 %t26, %t22
+  store i64 %t27, ptr %t25
   ret { i1, i8, { ptr, i64, i64 } } { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }
 }
 
@@ -93325,69 +111334,69 @@ entry:
   store i8 %p0, ptr %a1
   %t2 = load i8, ptr %a1
   %t3 = icmp uge i8 %t2, 48
-  br label %logic.from10593
-logic.from10593:
-  br i1 %t3, label %logic.rhs10594, label %logic.end10595
-logic.rhs10594:
+  br label %logic.from11120
+logic.from11120:
+  br i1 %t3, label %logic.rhs11121, label %logic.end11122
+logic.rhs11121:
   %t4 = load i8, ptr %a1
   %t5 = icmp ule i8 %t4, 57
-  br label %logic.rend10596
-logic.rend10596:
-  br label %logic.end10595
-logic.end10595:
-  %t6 = phi i1 [ false, %logic.from10593 ], [ %t5, %logic.rend10596 ]
-  br i1 %t6, label %then10597, label %endif10599
-then10597:
+  br label %logic.rend11123
+logic.rend11123:
+  br label %logic.end11122
+logic.end11122:
+  %t6 = phi i1 [ false, %logic.from11120 ], [ %t5, %logic.rend11123 ]
+  br i1 %t6, label %then11124, label %endif11126
+then11124:
   %t7 = load i8, ptr %a1
   %t8 = zext i8 %t7 to i64
   %t9 = zext i8 48 to i64
   %t10 = sub i64 %t8, %t9
   ret i64 %t10
-endif10599:
+endif11126:
   %t11 = load i8, ptr %a1
   %t12 = icmp uge i8 %t11, 97
-  br label %logic.from10600
-logic.from10600:
-  br i1 %t12, label %logic.rhs10601, label %logic.end10602
-logic.rhs10601:
+  br label %logic.from11127
+logic.from11127:
+  br i1 %t12, label %logic.rhs11128, label %logic.end11129
+logic.rhs11128:
   %t13 = load i8, ptr %a1
   %t14 = icmp ule i8 %t13, 102
-  br label %logic.rend10603
-logic.rend10603:
-  br label %logic.end10602
-logic.end10602:
-  %t15 = phi i1 [ false, %logic.from10600 ], [ %t14, %logic.rend10603 ]
-  br i1 %t15, label %then10604, label %endif10606
-then10604:
+  br label %logic.rend11130
+logic.rend11130:
+  br label %logic.end11129
+logic.end11129:
+  %t15 = phi i1 [ false, %logic.from11127 ], [ %t14, %logic.rend11130 ]
+  br i1 %t15, label %then11131, label %endif11133
+then11131:
   %t16 = load i8, ptr %a1
   %t17 = zext i8 %t16 to i64
   %t18 = zext i8 97 to i64
   %t19 = sub i64 %t17, %t18
   %t20 = add i64 %t19, 10
   ret i64 %t20
-endif10606:
+endif11133:
   %t21 = load i8, ptr %a1
   %t22 = icmp uge i8 %t21, 65
-  br label %logic.from10607
-logic.from10607:
-  br i1 %t22, label %logic.rhs10608, label %logic.end10609
-logic.rhs10608:
+  br label %logic.from11134
+logic.from11134:
+  br i1 %t22, label %logic.rhs11135, label %logic.end11136
+logic.rhs11135:
   %t23 = load i8, ptr %a1
   %t24 = icmp ule i8 %t23, 70
-  br label %logic.rend10610
-logic.rend10610:
-  br label %logic.end10609
-logic.end10609:
-  %t25 = phi i1 [ false, %logic.from10607 ], [ %t24, %logic.rend10610 ]
-  br i1 %t25, label %then10611, label %endif10613
-then10611:
+  br label %logic.rend11137
+logic.rend11137:
+  br label %logic.end11136
+logic.end11136:
+  %t25 = phi i1 [ false, %logic.from11134 ], [ %t24, %logic.rend11137 ]
+  br i1 %t25, label %then11138, label %endif11140
+then11138:
   %t26 = load i8, ptr %a1
   %t27 = zext i8 %t26 to i64
   %t28 = zext i8 65 to i64
   %t29 = sub i64 %t27, %t28
   %t30 = add i64 %t29, 10
   ret i64 %t30
-endif10613:
+endif11140:
   ret i64 -1
 }
 
@@ -93401,8 +111410,8 @@ entry:
   store { ptr, i64, i64 } zeroinitializer, ptr %a2
   %t3 = load i64, ptr %a1
   %t4 = icmp slt i64 %t3, 128
-  br i1 %t4, label %then10614, label %else10615
-then10614:
+  br i1 %t4, label %then11141, label %else11142
+then11141:
   %t5 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t6 = load i64, ptr %a1
   %t7 = trunc i64 %t6 to i8
@@ -93413,12 +111422,12 @@ then10614:
   %t11 = getelementptr inbounds i8, ptr %t10, i64 %t8
   store i8 %t7, ptr %t11
   store i64 %t9, ptr %t5
-  br label %endif10616
-else10615:
+  br label %endif11143
+else11142:
   %t12 = load i64, ptr %a1
   %t13 = icmp slt i64 %t12, 2048
-  br i1 %t13, label %then10617, label %else10618
-then10617:
+  br i1 %t13, label %then11144, label %else11145
+then11144:
   %t14 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t15 = load i64, ptr %a1
   %t16 = sdiv i64 %t15, 64
@@ -93443,12 +111452,12 @@ then10617:
   %t31 = getelementptr inbounds i8, ptr %t30, i64 %t28
   store i8 %t27, ptr %t31
   store i64 %t29, ptr %t23
-  br label %endif10619
-else10618:
+  br label %endif11146
+else11145:
   %t32 = load i64, ptr %a1
   %t33 = icmp slt i64 %t32, 65536
-  br i1 %t33, label %then10620, label %else10621
-then10620:
+  br i1 %t33, label %then11147, label %else11148
+then11147:
   %t34 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t35 = load i64, ptr %a1
   %t36 = sdiv i64 %t35, 4096
@@ -93486,8 +111495,8 @@ then10620:
   %t61 = getelementptr inbounds i8, ptr %t60, i64 %t58
   store i8 %t57, ptr %t61
   store i64 %t59, ptr %t53
-  br label %endif10622
-else10621:
+  br label %endif11149
+else11148:
   %t62 = getelementptr inbounds { ptr, i64, i64 }, ptr %a2, i32 0, i32 1
   %t63 = load i64, ptr %a1
   %t64 = sdiv i64 %t63, 262144
@@ -93538,17 +111547,18 @@ else10621:
   %t99 = getelementptr inbounds i8, ptr %t98, i64 %t96
   store i8 %t95, ptr %t99
   store i64 %t97, ptr %t91
-  br label %endif10622
-endif10622:
-  br label %endif10619
-endif10619:
-  br label %endif10616
-endif10616:
+  br label %endif11149
+endif11149:
+  br label %endif11146
+endif11146:
+  br label %endif11143
+endif11143:
   %t100 = load { ptr, i64, i64 }, ptr %a2
   store { ptr, i64, i64 } zeroinitializer, ptr %a101
   store { ptr, i64, i64 } %t100, ptr %a102
   call void @finch_str_from_bytes(ptr %a101, ptr %a102)
   %t103 = load { ptr, i64, i64 }, ptr %a101
+  call void @finch.drop.arr_u8(ptr %a2)
   ret { ptr, i64, i64 } %t103
 }
 
@@ -93560,105 +111570,105 @@ entry:
   store ptr %p0, ptr %a1
   store i64 0, ptr %a2
   store i64 0, ptr %a3
-  br label %for.cond10623
-for.cond10623:
+  br label %for.cond11150
+for.cond11150:
   %t4 = load i64, ptr %a3
   %t5 = icmp slt i64 %t4, 4
-  br i1 %t5, label %for.body10624, label %for.end10626
-for.body10624:
+  br i1 %t5, label %for.body11151, label %for.end11153
+for.body11151:
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10627, label %ok10628
-panic10627:
-  call void @finch_panic(ptr @.str.6961, i64 348, ptr @.str.6962)
+  br i1 %t7, label %panic11154, label %ok11155
+panic11154:
+  call void @finch_panic(ptr @.str.7172, i64 348, ptr @.str.7173)
   unreachable
-ok10628:
+ok11155:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic10629, label %ok10630
-panic10629:
-  call void @finch_panic(ptr @.str.6963, i64 348, ptr @.str.6964)
+  br i1 %t11, label %panic11156, label %ok11157
+panic11156:
+  call void @finch_panic(ptr @.str.7174, i64 348, ptr @.str.7175)
   unreachable
-ok10630:
+ok11157:
   %t12 = getelementptr inbounds %S.json.Reader, ptr %t10, i32 0, i32 0
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sge i64 %t9, %t14
-  br label %logic.from10631
-logic.from10631:
-  br i1 %t15, label %logic.end10633, label %logic.rhs10632
-logic.rhs10632:
+  br label %logic.from11158
+logic.from11158:
+  br i1 %t15, label %logic.end11160, label %logic.rhs11159
+logic.rhs11159:
   %t16 = load ptr, ptr %a1
   %t17 = icmp eq ptr %t16, null
-  br i1 %t17, label %panic10634, label %ok10635
-panic10634:
-  call void @finch_panic(ptr @.str.6965, i64 348, ptr @.str.6966)
+  br i1 %t17, label %panic11161, label %ok11162
+panic11161:
+  call void @finch_panic(ptr @.str.7176, i64 348, ptr @.str.7177)
   unreachable
-ok10635:
+ok11162:
   %t18 = getelementptr inbounds %S.json.Reader, ptr %t16, i32 0, i32 0
   %t19 = load ptr, ptr %a1
   %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic10636, label %ok10637
-panic10636:
-  call void @finch_panic(ptr @.str.6967, i64 348, ptr @.str.6968)
+  br i1 %t20, label %panic11163, label %ok11164
+panic11163:
+  call void @finch_panic(ptr @.str.7178, i64 348, ptr @.str.7179)
   unreachable
-ok10637:
+ok11164:
   %t21 = getelementptr inbounds %S.json.Reader, ptr %t19, i32 0, i32 1
   %t22 = load i64, ptr %t21
   %t23 = load { ptr, i64, i64 }, ptr %t18
   %t24 = extractvalue { ptr, i64, i64 } %t23, 1
   %t25 = icmp uge i64 %t22, %t24
-  br i1 %t25, label %range10638, label %inrange10639
-range10638:
-  call void @finch_panic_index(ptr @.str.6969, i64 348, i64 %t22, i64 %t24)
+  br i1 %t25, label %range11165, label %inrange11166
+range11165:
+  call void @finch_panic_index(ptr @.str.7180, i64 348, i64 %t22, i64 %t24)
   unreachable
-inrange10639:
+inrange11166:
   %t26 = extractvalue { ptr, i64, i64 } %t23, 0
   %t27 = getelementptr inbounds i8, ptr %t26, i64 %t22
   %t28 = load i8, ptr %t27
   %t29 = call i64 @finch.json.hex_value(i8 %t28)
   %t30 = icmp slt i64 %t29, 0
-  br label %logic.rend10640
-logic.rend10640:
-  br label %logic.end10633
-logic.end10633:
-  %t31 = phi i1 [ true, %logic.from10631 ], [ %t30, %logic.rend10640 ]
-  br i1 %t31, label %then10641, label %endif10643
-then10641:
+  br label %logic.rend11167
+logic.rend11167:
+  br label %logic.end11160
+logic.end11160:
+  %t31 = phi i1 [ true, %logic.from11158 ], [ %t30, %logic.rend11167 ]
+  br i1 %t31, label %then11168, label %endif11170
+then11168:
   %t32 = load ptr, ptr %a1
-  %t33 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t32, { ptr, i64, i64 } { ptr @.str.6970, i64 19, i64 0 })
+  %t33 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t32, { ptr, i64, i64 } { ptr @.str.7181, i64 19, i64 0 })
   %t34 = insertvalue { i1, i64, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t33, 2
   ret { i1, i64, { ptr, i64, i64 } } %t34
-endif10643:
+endif11170:
   %t35 = load i64, ptr %a2
   %t36 = mul i64 %t35, 16
   %t37 = load ptr, ptr %a1
   %t38 = icmp eq ptr %t37, null
-  br i1 %t38, label %panic10644, label %ok10645
-panic10644:
-  call void @finch_panic(ptr @.str.6971, i64 351, ptr @.str.6972)
+  br i1 %t38, label %panic11171, label %ok11172
+panic11171:
+  call void @finch_panic(ptr @.str.7182, i64 351, ptr @.str.7183)
   unreachable
-ok10645:
+ok11172:
   %t39 = getelementptr inbounds %S.json.Reader, ptr %t37, i32 0, i32 0
   %t40 = load ptr, ptr %a1
   %t41 = icmp eq ptr %t40, null
-  br i1 %t41, label %panic10646, label %ok10647
-panic10646:
-  call void @finch_panic(ptr @.str.6973, i64 351, ptr @.str.6974)
+  br i1 %t41, label %panic11173, label %ok11174
+panic11173:
+  call void @finch_panic(ptr @.str.7184, i64 351, ptr @.str.7185)
   unreachable
-ok10647:
+ok11174:
   %t42 = getelementptr inbounds %S.json.Reader, ptr %t40, i32 0, i32 1
   %t43 = load i64, ptr %t42
   %t44 = load { ptr, i64, i64 }, ptr %t39
   %t45 = extractvalue { ptr, i64, i64 } %t44, 1
   %t46 = icmp uge i64 %t43, %t45
-  br i1 %t46, label %range10648, label %inrange10649
-range10648:
-  call void @finch_panic_index(ptr @.str.6975, i64 351, i64 %t43, i64 %t45)
+  br i1 %t46, label %range11175, label %inrange11176
+range11175:
+  call void @finch_panic_index(ptr @.str.7186, i64 351, i64 %t43, i64 %t45)
   unreachable
-inrange10649:
+inrange11176:
   %t47 = extractvalue { ptr, i64, i64 } %t44, 0
   %t48 = getelementptr inbounds i8, ptr %t47, i64 %t43
   %t49 = load i8, ptr %t48
@@ -93667,22 +111677,22 @@ inrange10649:
   store i64 %t51, ptr %a2
   %t52 = load ptr, ptr %a1
   %t53 = icmp eq ptr %t52, null
-  br i1 %t53, label %panic10650, label %ok10651
-panic10650:
-  call void @finch_panic(ptr @.str.6976, i64 352, ptr @.str.6977)
+  br i1 %t53, label %panic11177, label %ok11178
+panic11177:
+  call void @finch_panic(ptr @.str.7187, i64 352, ptr @.str.7188)
   unreachable
-ok10651:
+ok11178:
   %t54 = getelementptr inbounds %S.json.Reader, ptr %t52, i32 0, i32 1
   %t55 = load i64, ptr %t54
   %t56 = add i64 %t55, 1
   store i64 %t56, ptr %t54
-  br label %for.step10625
-for.step10625:
+  br label %for.step11152
+for.step11152:
   %t57 = load i64, ptr %a3
   %t58 = add i64 %t57, 1
   store i64 %t58, ptr %a3
-  br label %for.cond10623
-for.end10626:
+  br label %for.cond11150
+for.end11153:
   %t59 = load i64, ptr %a2
   %t60 = insertvalue { i1, i64, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t61 = insertvalue { i1, i64, { ptr, i64, i64 } } %t60, i64 %t59, 1
@@ -93697,47 +111707,56 @@ entry:
   %a25 = alloca { ptr, i64, i64 }, align 16
   %a26 = alloca { ptr, i64, i64 }, align 16
   %a27 = alloca { ptr, i64, i64 }, align 16
-  %a29 = alloca { ptr, i64, i64 }, align 16
+  %a28 = alloca { ptr, i64, i64 }, align 16
   %a30 = alloca { ptr, i64, i64 }, align 16
   %a31 = alloca { ptr, i64, i64 }, align 16
-  %a47 = alloca i8, align 16
-  %a55 = alloca { ptr, i64, i64 }, align 16
-  %a56 = alloca { ptr, i64, i64 }, align 16
-  %a73 = alloca { ptr, i64, i64 }, align 16
-  %a74 = alloca { ptr, i64, i64 }, align 16
-  %a83 = alloca { ptr, i64, i64 }, align 16
-  %a84 = alloca { ptr, i64, i64 }, align 16
+  %a32 = alloca { ptr, i64, i64 }, align 16
+  %a33 = alloca { ptr, i64, i64 }, align 16
+  %a49 = alloca i8, align 16
+  %a57 = alloca { ptr, i64, i64 }, align 16
+  %a58 = alloca { ptr, i64, i64 }, align 16
+  %a75 = alloca { ptr, i64, i64 }, align 16
+  %a76 = alloca { ptr, i64, i64 }, align 16
   %a85 = alloca { ptr, i64, i64 }, align 16
+  %a86 = alloca { ptr, i64, i64 }, align 16
   %a87 = alloca { ptr, i64, i64 }, align 16
   %a88 = alloca { ptr, i64, i64 }, align 16
-  %a89 = alloca { ptr, i64, i64 }, align 16
-  %a104 = alloca { ptr, i64, i64 }, align 16
-  %a105 = alloca { ptr, i64, i64 }, align 16
-  %a123 = alloca i8, align 16
-  %a176 = alloca { ptr, i64, i64 }, align 16
-  %a191 = alloca i64, align 16
-  %a212 = alloca i64, align 16
-  %a228 = alloca { ptr, i64, i64 }, align 16
-  %a230 = alloca { ptr, i64, i64 }, align 16
-  %a231 = alloca { ptr, i64, i64 }, align 16
+  %a90 = alloca { ptr, i64, i64 }, align 16
+  %a91 = alloca { ptr, i64, i64 }, align 16
+  %a92 = alloca { ptr, i64, i64 }, align 16
+  %a93 = alloca { ptr, i64, i64 }, align 16
+  %a108 = alloca { ptr, i64, i64 }, align 16
+  %a109 = alloca { ptr, i64, i64 }, align 16
+  %a127 = alloca i8, align 16
+  %a180 = alloca { ptr, i64, i64 }, align 16
+  %a195 = alloca i64, align 16
+  %a216 = alloca i64, align 16
   %a232 = alloca { ptr, i64, i64 }, align 16
   %a234 = alloca { ptr, i64, i64 }, align 16
   %a235 = alloca { ptr, i64, i64 }, align 16
   %a236 = alloca { ptr, i64, i64 }, align 16
+  %a237 = alloca { ptr, i64, i64 }, align 16
+  %a239 = alloca { ptr, i64, i64 }, align 16
   %a240 = alloca { ptr, i64, i64 }, align 16
   %a241 = alloca { ptr, i64, i64 }, align 16
   %a242 = alloca { ptr, i64, i64 }, align 16
-  %a244 = alloca { ptr, i64, i64 }, align 16
-  %a245 = alloca { ptr, i64, i64 }, align 16
   %a246 = alloca { ptr, i64, i64 }, align 16
+  %a247 = alloca { ptr, i64, i64 }, align 16
+  %a248 = alloca { ptr, i64, i64 }, align 16
+  %a249 = alloca { ptr, i64, i64 }, align 16
+  %a250 = alloca { ptr, i64, i64 }, align 16
+  %a252 = alloca { ptr, i64, i64 }, align 16
+  %a253 = alloca { ptr, i64, i64 }, align 16
+  %a254 = alloca { ptr, i64, i64 }, align 16
+  %a255 = alloca { ptr, i64, i64 }, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10652, label %ok10653
-panic10652:
-  call void @finch_panic(ptr @.str.6978, i64 358, ptr @.str.6979)
+  br i1 %t3, label %panic11179, label %ok11180
+panic11179:
+  call void @finch_panic(ptr @.str.7189, i64 358, ptr @.str.7190)
   unreachable
-ok10653:
+ok11180:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   %t6 = add i64 %t5, 1
@@ -93745,470 +111764,494 @@ ok10653:
   store { ptr, i64, i64 } zeroinitializer, ptr %a7
   %t8 = load ptr, ptr %a1
   %t9 = icmp eq ptr %t8, null
-  br i1 %t9, label %panic10654, label %ok10655
-panic10654:
-  call void @finch_panic(ptr @.str.6980, i64 360, ptr @.str.6981)
+  br i1 %t9, label %panic11181, label %ok11182
+panic11181:
+  call void @finch_panic(ptr @.str.7191, i64 360, ptr @.str.7192)
   unreachable
-ok10655:
+ok11182:
   %t10 = getelementptr inbounds %S.json.Reader, ptr %t8, i32 0, i32 1
   %t11 = load i64, ptr %t10
   store i64 %t11, ptr %a12
-  br label %while.cond10656
-while.cond10656:
-  br label %while.body10657
-while.body10657:
+  br label %while.cond11183
+while.cond11183:
+  br label %while.body11184
+while.body11184:
   %t13 = load ptr, ptr %a1
   %t14 = icmp eq ptr %t13, null
-  br i1 %t14, label %panic10659, label %ok10660
-panic10659:
-  call void @finch_panic(ptr @.str.6982, i64 362, ptr @.str.6983)
+  br i1 %t14, label %panic11186, label %ok11187
+panic11186:
+  call void @finch_panic(ptr @.str.7193, i64 362, ptr @.str.7194)
   unreachable
-ok10660:
+ok11187:
   %t15 = getelementptr inbounds %S.json.Reader, ptr %t13, i32 0, i32 1
   %t16 = load i64, ptr %t15
   %t17 = load ptr, ptr %a1
   %t18 = icmp eq ptr %t17, null
-  br i1 %t18, label %panic10661, label %ok10662
-panic10661:
-  call void @finch_panic(ptr @.str.6984, i64 362, ptr @.str.6985)
+  br i1 %t18, label %panic11188, label %ok11189
+panic11188:
+  call void @finch_panic(ptr @.str.7195, i64 362, ptr @.str.7196)
   unreachable
-ok10662:
+ok11189:
   %t19 = getelementptr inbounds %S.json.Reader, ptr %t17, i32 0, i32 0
   %t20 = getelementptr inbounds { ptr, i64, i64 }, ptr %t19, i32 0, i32 1
   %t21 = load i64, ptr %t20
   %t22 = icmp sge i64 %t16, %t21
-  br i1 %t22, label %then10663, label %endif10665
-then10663:
+  br i1 %t22, label %then11190, label %endif11192
+then11190:
   %t23 = load ptr, ptr %a1
   %t24 = call { ptr, i64, i64 } @finch.json.where(ptr %t23)
-  store { ptr, i64, i64 } { ptr @.str.6986, i64 30, i64 0 }, ptr %a26
+  store { ptr, i64, i64 } { ptr @.str.7197, i64 30, i64 0 }, ptr %a26
   store { ptr, i64, i64 } %t24, ptr %a27
   call void @finch_str_concat(ptr %a25, ptr %a26, ptr %a27)
-  %t28 = load { ptr, i64, i64 }, ptr %a25
-  store { ptr, i64, i64 } %t28, ptr %a30
-  store { ptr, i64, i64 } { ptr @.str.6987, i64 1, i64 0 }, ptr %a31
-  call void @finch_str_concat(ptr %a29, ptr %a30, ptr %a31)
-  %t32 = load { ptr, i64, i64 }, ptr %a29
-  %t33 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t32, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t33
-endif10665:
-  %t34 = load ptr, ptr %a1
-  %t35 = icmp eq ptr %t34, null
-  br i1 %t35, label %panic10666, label %ok10667
-panic10666:
-  call void @finch_panic(ptr @.str.6988, i64 365, ptr @.str.6989)
+  store { ptr, i64, i64 } %t24, ptr %a28
+  call void @finch_str_drop(ptr %a28)
+  %t29 = load { ptr, i64, i64 }, ptr %a25
+  store { ptr, i64, i64 } %t29, ptr %a31
+  store { ptr, i64, i64 } { ptr @.str.7198, i64 1, i64 0 }, ptr %a32
+  call void @finch_str_concat(ptr %a30, ptr %a31, ptr %a32)
+  store { ptr, i64, i64 } %t29, ptr %a33
+  call void @finch_str_drop(ptr %a33)
+  %t34 = load { ptr, i64, i64 }, ptr %a30
+  call void @finch.drop.arr_str(ptr %a7)
+  %t35 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t34, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t35
+endif11192:
+  %t36 = load ptr, ptr %a1
+  %t37 = icmp eq ptr %t36, null
+  br i1 %t37, label %panic11193, label %ok11194
+panic11193:
+  call void @finch_panic(ptr @.str.7199, i64 365, ptr @.str.7200)
   unreachable
-ok10667:
-  %t36 = getelementptr inbounds %S.json.Reader, ptr %t34, i32 0, i32 0
-  %t37 = load ptr, ptr %a1
-  %t38 = icmp eq ptr %t37, null
-  br i1 %t38, label %panic10668, label %ok10669
-panic10668:
-  call void @finch_panic(ptr @.str.6990, i64 365, ptr @.str.6991)
+ok11194:
+  %t38 = getelementptr inbounds %S.json.Reader, ptr %t36, i32 0, i32 0
+  %t39 = load ptr, ptr %a1
+  %t40 = icmp eq ptr %t39, null
+  br i1 %t40, label %panic11195, label %ok11196
+panic11195:
+  call void @finch_panic(ptr @.str.7201, i64 365, ptr @.str.7202)
   unreachable
-ok10669:
-  %t39 = getelementptr inbounds %S.json.Reader, ptr %t37, i32 0, i32 1
-  %t40 = load i64, ptr %t39
-  %t41 = load { ptr, i64, i64 }, ptr %t36
-  %t42 = extractvalue { ptr, i64, i64 } %t41, 1
-  %t43 = icmp uge i64 %t40, %t42
-  br i1 %t43, label %range10670, label %inrange10671
-range10670:
-  call void @finch_panic_index(ptr @.str.6992, i64 365, i64 %t40, i64 %t42)
+ok11196:
+  %t41 = getelementptr inbounds %S.json.Reader, ptr %t39, i32 0, i32 1
+  %t42 = load i64, ptr %t41
+  %t43 = load { ptr, i64, i64 }, ptr %t38
+  %t44 = extractvalue { ptr, i64, i64 } %t43, 1
+  %t45 = icmp uge i64 %t42, %t44
+  br i1 %t45, label %range11197, label %inrange11198
+range11197:
+  call void @finch_panic_index(ptr @.str.7203, i64 365, i64 %t42, i64 %t44)
   unreachable
-inrange10671:
-  %t44 = extractvalue { ptr, i64, i64 } %t41, 0
-  %t45 = getelementptr inbounds i8, ptr %t44, i64 %t40
-  %t46 = load i8, ptr %t45
-  store i8 %t46, ptr %a47
-  %t48 = load i8, ptr %a47
-  %t49 = icmp eq i8 %t48, 34
-  br i1 %t49, label %then10672, label %endif10674
-then10672:
-  %t50 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t51 = load ptr, ptr %a1
-  %t52 = icmp eq ptr %t51, null
-  br i1 %t52, label %panic10675, label %ok10676
-panic10675:
-  call void @finch_panic(ptr @.str.6993, i64 367, ptr @.str.6994)
+inrange11198:
+  %t46 = extractvalue { ptr, i64, i64 } %t43, 0
+  %t47 = getelementptr inbounds i8, ptr %t46, i64 %t42
+  %t48 = load i8, ptr %t47
+  store i8 %t48, ptr %a49
+  %t50 = load i8, ptr %a49
+  %t51 = icmp eq i8 %t50, 34
+  br i1 %t51, label %then11199, label %endif11201
+then11199:
+  %t52 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t53 = load ptr, ptr %a1
+  %t54 = icmp eq ptr %t53, null
+  br i1 %t54, label %panic11202, label %ok11203
+panic11202:
+  call void @finch_panic(ptr @.str.7204, i64 367, ptr @.str.7205)
   unreachable
-ok10676:
-  %t53 = getelementptr inbounds %S.json.Reader, ptr %t51, i32 0, i32 0
-  %t54 = load { ptr, i64, i64 }, ptr %t53
-  store { ptr, i64, i64 } %t54, ptr %a55
-  %t57 = load i64, ptr %a12
-  %t58 = load ptr, ptr %a1
-  %t59 = icmp eq ptr %t58, null
-  br i1 %t59, label %panic10677, label %ok10678
-panic10677:
-  call void @finch_panic(ptr @.str.6996, i64 367, ptr @.str.6997)
+ok11203:
+  %t55 = getelementptr inbounds %S.json.Reader, ptr %t53, i32 0, i32 0
+  %t56 = load { ptr, i64, i64 }, ptr %t55
+  store { ptr, i64, i64 } %t56, ptr %a57
+  %t59 = load i64, ptr %a12
+  %t60 = load ptr, ptr %a1
+  %t61 = icmp eq ptr %t60, null
+  br i1 %t61, label %panic11204, label %ok11205
+panic11204:
+  call void @finch_panic(ptr @.str.7207, i64 367, ptr @.str.7208)
   unreachable
-ok10678:
-  %t60 = getelementptr inbounds %S.json.Reader, ptr %t58, i32 0, i32 1
-  %t61 = load i64, ptr %t60
-  call void @finch_str_sub(ptr %a56, ptr %a55, i64 %t57, i64 %t61, ptr @.str.6995, i64 367)
-  %t62 = load { ptr, i64, i64 }, ptr %a56
-  %t63 = load i64, ptr %t50
-  %t64 = add i64 %t63, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t64, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t65 = load ptr, ptr %a7
-  %t66 = getelementptr inbounds { ptr, i64, i64 }, ptr %t65, i64 %t63
-  store { ptr, i64, i64 } %t62, ptr %t66
-  store i64 %t64, ptr %t50
-  %t67 = load ptr, ptr %a1
-  %t68 = icmp eq ptr %t67, null
-  br i1 %t68, label %panic10679, label %ok10680
-panic10679:
-  call void @finch_panic(ptr @.str.6998, i64 368, ptr @.str.6999)
+ok11205:
+  %t62 = getelementptr inbounds %S.json.Reader, ptr %t60, i32 0, i32 1
+  %t63 = load i64, ptr %t62
+  call void @finch_str_sub(ptr %a58, ptr %a57, i64 %t59, i64 %t63, ptr @.str.7206, i64 367)
+  %t64 = load { ptr, i64, i64 }, ptr %a58
+  %t65 = load i64, ptr %t52
+  %t66 = add i64 %t65, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t66, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t67 = load ptr, ptr %a7
+  %t68 = getelementptr inbounds { ptr, i64, i64 }, ptr %t67, i64 %t65
+  store { ptr, i64, i64 } %t64, ptr %t68
+  store i64 %t66, ptr %t52
+  %t69 = load ptr, ptr %a1
+  %t70 = icmp eq ptr %t69, null
+  br i1 %t70, label %panic11206, label %ok11207
+panic11206:
+  call void @finch_panic(ptr @.str.7209, i64 368, ptr @.str.7210)
   unreachable
-ok10680:
-  %t69 = getelementptr inbounds %S.json.Reader, ptr %t67, i32 0, i32 1
-  %t70 = load i64, ptr %t69
-  %t71 = add i64 %t70, 1
-  store i64 %t71, ptr %t69
-  %t72 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  store { ptr, i64, i64 } { ptr @.str.7000, i64 0, i64 0 }, ptr %a73
-  call void @finch_str_join(ptr %a74, ptr %a7, ptr %a73)
-  %t75 = load { ptr, i64, i64 }, ptr %a74
-  %t76 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t77 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t76, { ptr, i64, i64 } %t75, 1
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t77
-endif10674:
-  %t78 = load i8, ptr %a47
-  %t79 = zext i8 %t78 to i64
-  %t80 = icmp slt i64 %t79, 32
-  br i1 %t80, label %then10681, label %endif10683
-then10681:
-  %t81 = load ptr, ptr %a1
-  %t82 = call { ptr, i64, i64 } @finch.json.where(ptr %t81)
-  store { ptr, i64, i64 } { ptr @.str.7001, i64 55, i64 0 }, ptr %a84
-  store { ptr, i64, i64 } %t82, ptr %a85
-  call void @finch_str_concat(ptr %a83, ptr %a84, ptr %a85)
-  %t86 = load { ptr, i64, i64 }, ptr %a83
-  store { ptr, i64, i64 } %t86, ptr %a88
-  store { ptr, i64, i64 } { ptr @.str.7002, i64 1, i64 0 }, ptr %a89
-  call void @finch_str_concat(ptr %a87, ptr %a88, ptr %a89)
-  %t90 = load { ptr, i64, i64 }, ptr %a87
-  %t91 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t90, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t91
-endif10683:
-  %t92 = load i8, ptr %a47
-  %t93 = icmp ne i8 %t92, 92
-  br i1 %t93, label %then10684, label %endif10686
-then10684:
-  %t94 = load ptr, ptr %a1
-  %t95 = icmp eq ptr %t94, null
-  br i1 %t95, label %panic10687, label %ok10688
-panic10687:
-  call void @finch_panic(ptr @.str.7003, i64 375, ptr @.str.7004)
+ok11207:
+  %t71 = getelementptr inbounds %S.json.Reader, ptr %t69, i32 0, i32 1
+  %t72 = load i64, ptr %t71
+  %t73 = add i64 %t72, 1
+  store i64 %t73, ptr %t71
+  %t74 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  store { ptr, i64, i64 } { ptr @.str.7211, i64 0, i64 0 }, ptr %a75
+  call void @finch_str_join(ptr %a76, ptr %a7, ptr %a75)
+  %t77 = load { ptr, i64, i64 }, ptr %a76
+  call void @finch.drop.arr_str(ptr %a7)
+  %t78 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t79 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t78, { ptr, i64, i64 } %t77, 1
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t79
+endif11201:
+  %t80 = load i8, ptr %a49
+  %t81 = zext i8 %t80 to i64
+  %t82 = icmp slt i64 %t81, 32
+  br i1 %t82, label %then11208, label %endif11210
+then11208:
+  %t83 = load ptr, ptr %a1
+  %t84 = call { ptr, i64, i64 } @finch.json.where(ptr %t83)
+  store { ptr, i64, i64 } { ptr @.str.7212, i64 55, i64 0 }, ptr %a86
+  store { ptr, i64, i64 } %t84, ptr %a87
+  call void @finch_str_concat(ptr %a85, ptr %a86, ptr %a87)
+  store { ptr, i64, i64 } %t84, ptr %a88
+  call void @finch_str_drop(ptr %a88)
+  %t89 = load { ptr, i64, i64 }, ptr %a85
+  store { ptr, i64, i64 } %t89, ptr %a91
+  store { ptr, i64, i64 } { ptr @.str.7213, i64 1, i64 0 }, ptr %a92
+  call void @finch_str_concat(ptr %a90, ptr %a91, ptr %a92)
+  store { ptr, i64, i64 } %t89, ptr %a93
+  call void @finch_str_drop(ptr %a93)
+  %t94 = load { ptr, i64, i64 }, ptr %a90
+  call void @finch.drop.arr_str(ptr %a7)
+  %t95 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t94, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t95
+endif11210:
+  %t96 = load i8, ptr %a49
+  %t97 = icmp ne i8 %t96, 92
+  br i1 %t97, label %then11211, label %endif11213
+then11211:
+  %t98 = load ptr, ptr %a1
+  %t99 = icmp eq ptr %t98, null
+  br i1 %t99, label %panic11214, label %ok11215
+panic11214:
+  call void @finch_panic(ptr @.str.7214, i64 375, ptr @.str.7215)
   unreachable
-ok10688:
-  %t96 = getelementptr inbounds %S.json.Reader, ptr %t94, i32 0, i32 1
-  %t97 = load i64, ptr %t96
-  %t98 = add i64 %t97, 1
-  store i64 %t98, ptr %t96
-  br label %while.cond10656
-endif10686:
-  %t99 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t100 = load ptr, ptr %a1
-  %t101 = icmp eq ptr %t100, null
-  br i1 %t101, label %panic10689, label %ok10690
-panic10689:
-  call void @finch_panic(ptr @.str.7005, i64 378, ptr @.str.7006)
+ok11215:
+  %t100 = getelementptr inbounds %S.json.Reader, ptr %t98, i32 0, i32 1
+  %t101 = load i64, ptr %t100
+  %t102 = add i64 %t101, 1
+  store i64 %t102, ptr %t100
+  br label %while.cond11183
+endif11213:
+  %t103 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t104 = load ptr, ptr %a1
+  %t105 = icmp eq ptr %t104, null
+  br i1 %t105, label %panic11216, label %ok11217
+panic11216:
+  call void @finch_panic(ptr @.str.7216, i64 378, ptr @.str.7217)
   unreachable
-ok10690:
-  %t102 = getelementptr inbounds %S.json.Reader, ptr %t100, i32 0, i32 0
-  %t103 = load { ptr, i64, i64 }, ptr %t102
-  store { ptr, i64, i64 } %t103, ptr %a104
-  %t106 = load i64, ptr %a12
-  %t107 = load ptr, ptr %a1
-  %t108 = icmp eq ptr %t107, null
-  br i1 %t108, label %panic10691, label %ok10692
-panic10691:
-  call void @finch_panic(ptr @.str.7008, i64 378, ptr @.str.7009)
+ok11217:
+  %t106 = getelementptr inbounds %S.json.Reader, ptr %t104, i32 0, i32 0
+  %t107 = load { ptr, i64, i64 }, ptr %t106
+  store { ptr, i64, i64 } %t107, ptr %a108
+  %t110 = load i64, ptr %a12
+  %t111 = load ptr, ptr %a1
+  %t112 = icmp eq ptr %t111, null
+  br i1 %t112, label %panic11218, label %ok11219
+panic11218:
+  call void @finch_panic(ptr @.str.7219, i64 378, ptr @.str.7220)
   unreachable
-ok10692:
-  %t109 = getelementptr inbounds %S.json.Reader, ptr %t107, i32 0, i32 1
-  %t110 = load i64, ptr %t109
-  call void @finch_str_sub(ptr %a105, ptr %a104, i64 %t106, i64 %t110, ptr @.str.7007, i64 378)
-  %t111 = load { ptr, i64, i64 }, ptr %a105
-  %t112 = load i64, ptr %t99
-  %t113 = add i64 %t112, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t113, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t114 = load ptr, ptr %a7
-  %t115 = getelementptr inbounds { ptr, i64, i64 }, ptr %t114, i64 %t112
-  store { ptr, i64, i64 } %t111, ptr %t115
-  store i64 %t113, ptr %t99
-  %t116 = load ptr, ptr %a1
-  %t117 = icmp eq ptr %t116, null
-  br i1 %t117, label %panic10693, label %ok10694
-panic10693:
-  call void @finch_panic(ptr @.str.7010, i64 379, ptr @.str.7011)
+ok11219:
+  %t113 = getelementptr inbounds %S.json.Reader, ptr %t111, i32 0, i32 1
+  %t114 = load i64, ptr %t113
+  call void @finch_str_sub(ptr %a109, ptr %a108, i64 %t110, i64 %t114, ptr @.str.7218, i64 378)
+  %t115 = load { ptr, i64, i64 }, ptr %a109
+  %t116 = load i64, ptr %t103
+  %t117 = add i64 %t116, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t117, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t118 = load ptr, ptr %a7
+  %t119 = getelementptr inbounds { ptr, i64, i64 }, ptr %t118, i64 %t116
+  store { ptr, i64, i64 } %t115, ptr %t119
+  store i64 %t117, ptr %t103
+  %t120 = load ptr, ptr %a1
+  %t121 = icmp eq ptr %t120, null
+  br i1 %t121, label %panic11220, label %ok11221
+panic11220:
+  call void @finch_panic(ptr @.str.7221, i64 379, ptr @.str.7222)
   unreachable
-ok10694:
-  %t118 = getelementptr inbounds %S.json.Reader, ptr %t116, i32 0, i32 1
-  %t119 = load i64, ptr %t118
-  %t120 = add i64 %t119, 1
-  store i64 %t120, ptr %t118
-  %t121 = load ptr, ptr %a1
-  %t122 = call i8 @finch.json.peek(ptr %t121)
-  store i8 %t122, ptr %a123
-  %t124 = load ptr, ptr %a1
-  %t125 = icmp eq ptr %t124, null
-  br i1 %t125, label %panic10695, label %ok10696
-panic10695:
-  call void @finch_panic(ptr @.str.7012, i64 381, ptr @.str.7013)
+ok11221:
+  %t122 = getelementptr inbounds %S.json.Reader, ptr %t120, i32 0, i32 1
+  %t123 = load i64, ptr %t122
+  %t124 = add i64 %t123, 1
+  store i64 %t124, ptr %t122
+  %t125 = load ptr, ptr %a1
+  %t126 = call i8 @finch.json.peek(ptr %t125)
+  store i8 %t126, ptr %a127
+  %t128 = load ptr, ptr %a1
+  %t129 = icmp eq ptr %t128, null
+  br i1 %t129, label %panic11222, label %ok11223
+panic11222:
+  call void @finch_panic(ptr @.str.7223, i64 381, ptr @.str.7224)
   unreachable
-ok10696:
-  %t126 = getelementptr inbounds %S.json.Reader, ptr %t124, i32 0, i32 1
-  %t127 = load i64, ptr %t126
-  %t128 = add i64 %t127, 1
-  store i64 %t128, ptr %t126
-  %t129 = load i8, ptr %a123
-  %t130 = icmp eq i8 %t129, 110
-  br i1 %t130, label %then10697, label %else10698
-then10697:
-  %t131 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t132 = load i64, ptr %t131
-  %t133 = add i64 %t132, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t133, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t134 = load ptr, ptr %a7
-  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %t134, i64 %t132
-  store { ptr, i64, i64 } { ptr @.str.7014, i64 1, i64 0 }, ptr %t135
-  store i64 %t133, ptr %t131
-  br label %endif10699
-else10698:
-  %t136 = load i8, ptr %a123
-  %t137 = icmp eq i8 %t136, 116
-  br i1 %t137, label %then10700, label %else10701
-then10700:
-  %t138 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t139 = load i64, ptr %t138
-  %t140 = add i64 %t139, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t140, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t141 = load ptr, ptr %a7
-  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %t141, i64 %t139
-  store { ptr, i64, i64 } { ptr @.str.7015, i64 1, i64 0 }, ptr %t142
-  store i64 %t140, ptr %t138
-  br label %endif10702
-else10701:
-  %t143 = load i8, ptr %a123
-  %t144 = icmp eq i8 %t143, 114
-  br i1 %t144, label %then10703, label %else10704
-then10703:
-  %t145 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t146 = load i64, ptr %t145
-  %t147 = add i64 %t146, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t147, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t148 = load ptr, ptr %a7
-  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %t148, i64 %t146
-  store { ptr, i64, i64 } { ptr @.str.7016, i64 1, i64 0 }, ptr %t149
-  store i64 %t147, ptr %t145
-  br label %endif10705
-else10704:
-  %t150 = load i8, ptr %a123
-  %t151 = icmp eq i8 %t150, 98
-  br i1 %t151, label %then10706, label %else10707
-then10706:
-  %t152 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t153 = call { ptr, i64, i64 } @finch.json.utf8(i64 8)
-  %t154 = load i64, ptr %t152
-  %t155 = add i64 %t154, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t155, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t156 = load ptr, ptr %a7
-  %t157 = getelementptr inbounds { ptr, i64, i64 }, ptr %t156, i64 %t154
-  store { ptr, i64, i64 } %t153, ptr %t157
-  store i64 %t155, ptr %t152
-  br label %endif10708
-else10707:
-  %t158 = load i8, ptr %a123
-  %t159 = icmp eq i8 %t158, 102
-  br i1 %t159, label %then10709, label %else10710
-then10709:
-  %t160 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t161 = call { ptr, i64, i64 } @finch.json.utf8(i64 12)
-  %t162 = load i64, ptr %t160
-  %t163 = add i64 %t162, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t163, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t164 = load ptr, ptr %a7
-  %t165 = getelementptr inbounds { ptr, i64, i64 }, ptr %t164, i64 %t162
-  store { ptr, i64, i64 } %t161, ptr %t165
-  store i64 %t163, ptr %t160
-  br label %endif10711
-else10710:
-  %t166 = load i8, ptr %a123
-  %t167 = icmp eq i8 %t166, 34
-  br label %logic.from10712
-logic.from10712:
-  br i1 %t167, label %logic.end10714, label %logic.rhs10713
-logic.rhs10713:
-  %t168 = load i8, ptr %a123
-  %t169 = icmp eq i8 %t168, 92
-  br label %logic.rend10715
-logic.rend10715:
-  br label %logic.end10714
-logic.end10714:
-  %t170 = phi i1 [ true, %logic.from10712 ], [ %t169, %logic.rend10715 ]
-  br label %logic.from10716
-logic.from10716:
-  br i1 %t170, label %logic.end10718, label %logic.rhs10717
-logic.rhs10717:
-  %t171 = load i8, ptr %a123
-  %t172 = icmp eq i8 %t171, 47
-  br label %logic.rend10719
-logic.rend10719:
-  br label %logic.end10718
-logic.end10718:
-  %t173 = phi i1 [ true, %logic.from10716 ], [ %t172, %logic.rend10719 ]
-  br i1 %t173, label %then10720, label %else10721
-then10720:
-  %t174 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t175 = load i8, ptr %a123
-  call void @finch_str_from_char(ptr %a176, i8 signext %t175)
-  %t177 = load { ptr, i64, i64 }, ptr %a176
-  %t178 = load i64, ptr %t174
-  %t179 = add i64 %t178, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t179, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t180 = load ptr, ptr %a7
-  %t181 = getelementptr inbounds { ptr, i64, i64 }, ptr %t180, i64 %t178
-  store { ptr, i64, i64 } %t177, ptr %t181
-  store i64 %t179, ptr %t174
-  br label %endif10722
-else10721:
-  %t182 = load i8, ptr %a123
-  %t183 = icmp eq i8 %t182, 117
-  br i1 %t183, label %then10723, label %else10724
-then10723:
-  %t184 = load ptr, ptr %a1
-  %t185 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t184)
-  %t186 = extractvalue { i1, i64, { ptr, i64, i64 } } %t185, 0
-  %t187 = xor i1 %t186, true
-  %t188 = extractvalue { i1, i64, { ptr, i64, i64 } } %t185, 2
-  %t189 = extractvalue { i1, i64, { ptr, i64, i64 } } %t185, 1
-  br i1 %t187, label %try.failed10726, label %try.ok10727
-try.failed10726:
-  %t190 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t188, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t190
-try.ok10727:
-  store i64 %t189, ptr %a191
-  %t192 = load i64, ptr %a191
-  %t193 = icmp sge i64 %t192, 55296
-  br label %logic.from10728
-logic.from10728:
-  br i1 %t193, label %logic.rhs10729, label %logic.end10730
-logic.rhs10729:
-  %t194 = load i64, ptr %a191
-  %t195 = icmp slt i64 %t194, 56320
-  br label %logic.rend10731
-logic.rend10731:
-  br label %logic.end10730
-logic.end10730:
-  %t196 = phi i1 [ false, %logic.from10728 ], [ %t195, %logic.rend10731 ]
-  br label %logic.from10732
-logic.from10732:
-  br i1 %t196, label %logic.rhs10733, label %logic.end10734
-logic.rhs10733:
-  %t197 = load ptr, ptr %a1
-  %t198 = call i1 @finch.json.comes(ptr %t197, { ptr, i64, i64 } { ptr @.str.7017, i64 2, i64 0 })
-  br label %logic.rend10735
-logic.rend10735:
-  br label %logic.end10734
-logic.end10734:
-  %t199 = phi i1 [ false, %logic.from10732 ], [ %t198, %logic.rend10735 ]
-  br i1 %t199, label %then10736, label %endif10738
-then10736:
-  %t200 = load ptr, ptr %a1
-  %t201 = icmp eq ptr %t200, null
-  br i1 %t201, label %panic10739, label %ok10740
-panic10739:
-  call void @finch_panic(ptr @.str.7018, i64 398, ptr @.str.7019)
+ok11223:
+  %t130 = getelementptr inbounds %S.json.Reader, ptr %t128, i32 0, i32 1
+  %t131 = load i64, ptr %t130
+  %t132 = add i64 %t131, 1
+  store i64 %t132, ptr %t130
+  %t133 = load i8, ptr %a127
+  %t134 = icmp eq i8 %t133, 110
+  br i1 %t134, label %then11224, label %else11225
+then11224:
+  %t135 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t136 = load i64, ptr %t135
+  %t137 = add i64 %t136, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t137, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t138 = load ptr, ptr %a7
+  %t139 = getelementptr inbounds { ptr, i64, i64 }, ptr %t138, i64 %t136
+  store { ptr, i64, i64 } { ptr @.str.7225, i64 1, i64 0 }, ptr %t139
+  store i64 %t137, ptr %t135
+  br label %endif11226
+else11225:
+  %t140 = load i8, ptr %a127
+  %t141 = icmp eq i8 %t140, 116
+  br i1 %t141, label %then11227, label %else11228
+then11227:
+  %t142 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t143 = load i64, ptr %t142
+  %t144 = add i64 %t143, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t144, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t145 = load ptr, ptr %a7
+  %t146 = getelementptr inbounds { ptr, i64, i64 }, ptr %t145, i64 %t143
+  store { ptr, i64, i64 } { ptr @.str.7226, i64 1, i64 0 }, ptr %t146
+  store i64 %t144, ptr %t142
+  br label %endif11229
+else11228:
+  %t147 = load i8, ptr %a127
+  %t148 = icmp eq i8 %t147, 114
+  br i1 %t148, label %then11230, label %else11231
+then11230:
+  %t149 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t150 = load i64, ptr %t149
+  %t151 = add i64 %t150, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t151, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t152 = load ptr, ptr %a7
+  %t153 = getelementptr inbounds { ptr, i64, i64 }, ptr %t152, i64 %t150
+  store { ptr, i64, i64 } { ptr @.str.7227, i64 1, i64 0 }, ptr %t153
+  store i64 %t151, ptr %t149
+  br label %endif11232
+else11231:
+  %t154 = load i8, ptr %a127
+  %t155 = icmp eq i8 %t154, 98
+  br i1 %t155, label %then11233, label %else11234
+then11233:
+  %t156 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t157 = call { ptr, i64, i64 } @finch.json.utf8(i64 8)
+  %t158 = load i64, ptr %t156
+  %t159 = add i64 %t158, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t159, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t160 = load ptr, ptr %a7
+  %t161 = getelementptr inbounds { ptr, i64, i64 }, ptr %t160, i64 %t158
+  store { ptr, i64, i64 } %t157, ptr %t161
+  store i64 %t159, ptr %t156
+  br label %endif11235
+else11234:
+  %t162 = load i8, ptr %a127
+  %t163 = icmp eq i8 %t162, 102
+  br i1 %t163, label %then11236, label %else11237
+then11236:
+  %t164 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t165 = call { ptr, i64, i64 } @finch.json.utf8(i64 12)
+  %t166 = load i64, ptr %t164
+  %t167 = add i64 %t166, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t167, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t168 = load ptr, ptr %a7
+  %t169 = getelementptr inbounds { ptr, i64, i64 }, ptr %t168, i64 %t166
+  store { ptr, i64, i64 } %t165, ptr %t169
+  store i64 %t167, ptr %t164
+  br label %endif11238
+else11237:
+  %t170 = load i8, ptr %a127
+  %t171 = icmp eq i8 %t170, 34
+  br label %logic.from11239
+logic.from11239:
+  br i1 %t171, label %logic.end11241, label %logic.rhs11240
+logic.rhs11240:
+  %t172 = load i8, ptr %a127
+  %t173 = icmp eq i8 %t172, 92
+  br label %logic.rend11242
+logic.rend11242:
+  br label %logic.end11241
+logic.end11241:
+  %t174 = phi i1 [ true, %logic.from11239 ], [ %t173, %logic.rend11242 ]
+  br label %logic.from11243
+logic.from11243:
+  br i1 %t174, label %logic.end11245, label %logic.rhs11244
+logic.rhs11244:
+  %t175 = load i8, ptr %a127
+  %t176 = icmp eq i8 %t175, 47
+  br label %logic.rend11246
+logic.rend11246:
+  br label %logic.end11245
+logic.end11245:
+  %t177 = phi i1 [ true, %logic.from11243 ], [ %t176, %logic.rend11246 ]
+  br i1 %t177, label %then11247, label %else11248
+then11247:
+  %t178 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t179 = load i8, ptr %a127
+  call void @finch_str_from_char(ptr %a180, i8 signext %t179)
+  %t181 = load { ptr, i64, i64 }, ptr %a180
+  %t182 = load i64, ptr %t178
+  %t183 = add i64 %t182, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t183, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t184 = load ptr, ptr %a7
+  %t185 = getelementptr inbounds { ptr, i64, i64 }, ptr %t184, i64 %t182
+  store { ptr, i64, i64 } %t181, ptr %t185
+  store i64 %t183, ptr %t178
+  br label %endif11249
+else11248:
+  %t186 = load i8, ptr %a127
+  %t187 = icmp eq i8 %t186, 117
+  br i1 %t187, label %then11250, label %else11251
+then11250:
+  %t188 = load ptr, ptr %a1
+  %t189 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t188)
+  %t190 = extractvalue { i1, i64, { ptr, i64, i64 } } %t189, 0
+  %t191 = xor i1 %t190, true
+  %t192 = extractvalue { i1, i64, { ptr, i64, i64 } } %t189, 2
+  %t193 = extractvalue { i1, i64, { ptr, i64, i64 } } %t189, 1
+  br i1 %t191, label %try.failed11253, label %try.ok11254
+try.failed11253:
+  call void @finch.drop.arr_str(ptr %a7)
+  %t194 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t192, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t194
+try.ok11254:
+  store i64 %t193, ptr %a195
+  %t196 = load i64, ptr %a195
+  %t197 = icmp sge i64 %t196, 55296
+  br label %logic.from11255
+logic.from11255:
+  br i1 %t197, label %logic.rhs11256, label %logic.end11257
+logic.rhs11256:
+  %t198 = load i64, ptr %a195
+  %t199 = icmp slt i64 %t198, 56320
+  br label %logic.rend11258
+logic.rend11258:
+  br label %logic.end11257
+logic.end11257:
+  %t200 = phi i1 [ false, %logic.from11255 ], [ %t199, %logic.rend11258 ]
+  br label %logic.from11259
+logic.from11259:
+  br i1 %t200, label %logic.rhs11260, label %logic.end11261
+logic.rhs11260:
+  %t201 = load ptr, ptr %a1
+  %t202 = call i1 @finch.json.comes(ptr %t201, { ptr, i64, i64 } { ptr @.str.7228, i64 2, i64 0 })
+  br label %logic.rend11262
+logic.rend11262:
+  br label %logic.end11261
+logic.end11261:
+  %t203 = phi i1 [ false, %logic.from11259 ], [ %t202, %logic.rend11262 ]
+  br i1 %t203, label %then11263, label %endif11265
+then11263:
+  %t204 = load ptr, ptr %a1
+  %t205 = icmp eq ptr %t204, null
+  br i1 %t205, label %panic11266, label %ok11267
+panic11266:
+  call void @finch_panic(ptr @.str.7229, i64 398, ptr @.str.7230)
   unreachable
-ok10740:
-  %t202 = getelementptr inbounds %S.json.Reader, ptr %t200, i32 0, i32 1
-  %t203 = load i64, ptr %t202
-  %t204 = add i64 %t203, 2
-  store i64 %t204, ptr %t202
-  %t205 = load ptr, ptr %a1
-  %t206 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t205)
-  %t207 = extractvalue { i1, i64, { ptr, i64, i64 } } %t206, 0
-  %t208 = xor i1 %t207, true
-  %t209 = extractvalue { i1, i64, { ptr, i64, i64 } } %t206, 2
-  %t210 = extractvalue { i1, i64, { ptr, i64, i64 } } %t206, 1
-  br i1 %t208, label %try.failed10741, label %try.ok10742
-try.failed10741:
-  %t211 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t209, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t211
-try.ok10742:
-  store i64 %t210, ptr %a212
-  %t213 = load i64, ptr %a191
-  %t214 = sub i64 %t213, 55296
-  %t215 = mul i64 %t214, 1024
-  %t216 = add i64 65536, %t215
-  %t217 = load i64, ptr %a212
-  %t218 = sub i64 %t217, 56320
-  %t219 = add i64 %t216, %t218
-  store i64 %t219, ptr %a191
-  br label %endif10738
-endif10738:
-  %t220 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
-  %t221 = load i64, ptr %a191
-  %t222 = call { ptr, i64, i64 } @finch.json.utf8(i64 %t221)
-  %t223 = load i64, ptr %t220
-  %t224 = add i64 %t223, 1
-  call void @finch_arr_reserve(ptr %a7, i64 %t224, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
-  %t225 = load ptr, ptr %a7
-  %t226 = getelementptr inbounds { ptr, i64, i64 }, ptr %t225, i64 %t223
-  store { ptr, i64, i64 } %t222, ptr %t226
-  store i64 %t224, ptr %t220
-  br label %endif10725
-else10724:
-  %t227 = load i8, ptr %a123
-  call void @finch_str_from_char(ptr %a228, i8 signext %t227)
-  %t229 = load { ptr, i64, i64 }, ptr %a228
-  store { ptr, i64, i64 } { ptr @.str.7020, i64 22, i64 0 }, ptr %a231
-  store { ptr, i64, i64 } %t229, ptr %a232
-  call void @finch_str_concat(ptr %a230, ptr %a231, ptr %a232)
-  %t233 = load { ptr, i64, i64 }, ptr %a230
-  store { ptr, i64, i64 } %t233, ptr %a235
-  store { ptr, i64, i64 } { ptr @.str.7021, i64 12, i64 0 }, ptr %a236
+ok11267:
+  %t206 = getelementptr inbounds %S.json.Reader, ptr %t204, i32 0, i32 1
+  %t207 = load i64, ptr %t206
+  %t208 = add i64 %t207, 2
+  store i64 %t208, ptr %t206
+  %t209 = load ptr, ptr %a1
+  %t210 = call { i1, i64, { ptr, i64, i64 } } @finch.json.read_hex4(ptr %t209)
+  %t211 = extractvalue { i1, i64, { ptr, i64, i64 } } %t210, 0
+  %t212 = xor i1 %t211, true
+  %t213 = extractvalue { i1, i64, { ptr, i64, i64 } } %t210, 2
+  %t214 = extractvalue { i1, i64, { ptr, i64, i64 } } %t210, 1
+  br i1 %t212, label %try.failed11268, label %try.ok11269
+try.failed11268:
+  call void @finch.drop.arr_str(ptr %a7)
+  %t215 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t213, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t215
+try.ok11269:
+  store i64 %t214, ptr %a216
+  %t217 = load i64, ptr %a195
+  %t218 = sub i64 %t217, 55296
+  %t219 = mul i64 %t218, 1024
+  %t220 = add i64 65536, %t219
+  %t221 = load i64, ptr %a216
+  %t222 = sub i64 %t221, 56320
+  %t223 = add i64 %t220, %t222
+  store i64 %t223, ptr %a195
+  br label %endif11265
+endif11265:
+  %t224 = getelementptr inbounds { ptr, i64, i64 }, ptr %a7, i32 0, i32 1
+  %t225 = load i64, ptr %a195
+  %t226 = call { ptr, i64, i64 } @finch.json.utf8(i64 %t225)
+  %t227 = load i64, ptr %t224
+  %t228 = add i64 %t227, 1
+  call void @finch_arr_reserve(ptr %a7, i64 %t228, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t229 = load ptr, ptr %a7
+  %t230 = getelementptr inbounds { ptr, i64, i64 }, ptr %t229, i64 %t227
+  store { ptr, i64, i64 } %t226, ptr %t230
+  store i64 %t228, ptr %t224
+  br label %endif11252
+else11251:
+  %t231 = load i8, ptr %a127
+  call void @finch_str_from_char(ptr %a232, i8 signext %t231)
+  %t233 = load { ptr, i64, i64 }, ptr %a232
+  store { ptr, i64, i64 } { ptr @.str.7231, i64 22, i64 0 }, ptr %a235
+  store { ptr, i64, i64 } %t233, ptr %a236
   call void @finch_str_concat(ptr %a234, ptr %a235, ptr %a236)
-  %t237 = load { ptr, i64, i64 }, ptr %a234
-  %t238 = load ptr, ptr %a1
-  %t239 = call { ptr, i64, i64 } @finch.json.where(ptr %t238)
-  store { ptr, i64, i64 } %t237, ptr %a241
-  store { ptr, i64, i64 } %t239, ptr %a242
-  call void @finch_str_concat(ptr %a240, ptr %a241, ptr %a242)
-  %t243 = load { ptr, i64, i64 }, ptr %a240
-  store { ptr, i64, i64 } %t243, ptr %a245
-  store { ptr, i64, i64 } { ptr @.str.7022, i64 1, i64 0 }, ptr %a246
-  call void @finch_str_concat(ptr %a244, ptr %a245, ptr %a246)
-  %t247 = load { ptr, i64, i64 }, ptr %a244
-  %t248 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t247, 2
-  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t248
-endif10725:
-  br label %endif10722
-endif10722:
-  br label %endif10711
-endif10711:
-  br label %endif10708
-endif10708:
-  br label %endif10705
-endif10705:
-  br label %endif10702
-endif10702:
-  br label %endif10699
-endif10699:
-  %t249 = load ptr, ptr %a1
-  %t250 = icmp eq ptr %t249, null
-  br i1 %t250, label %panic10743, label %ok10744
-panic10743:
-  call void @finch_panic(ptr @.str.7023, i64 406, ptr @.str.7024)
+  store { ptr, i64, i64 } %t233, ptr %a237
+  call void @finch_str_drop(ptr %a237)
+  %t238 = load { ptr, i64, i64 }, ptr %a234
+  store { ptr, i64, i64 } %t238, ptr %a240
+  store { ptr, i64, i64 } { ptr @.str.7232, i64 12, i64 0 }, ptr %a241
+  call void @finch_str_concat(ptr %a239, ptr %a240, ptr %a241)
+  store { ptr, i64, i64 } %t238, ptr %a242
+  call void @finch_str_drop(ptr %a242)
+  %t243 = load { ptr, i64, i64 }, ptr %a239
+  %t244 = load ptr, ptr %a1
+  %t245 = call { ptr, i64, i64 } @finch.json.where(ptr %t244)
+  store { ptr, i64, i64 } %t243, ptr %a247
+  store { ptr, i64, i64 } %t245, ptr %a248
+  call void @finch_str_concat(ptr %a246, ptr %a247, ptr %a248)
+  store { ptr, i64, i64 } %t243, ptr %a249
+  call void @finch_str_drop(ptr %a249)
+  store { ptr, i64, i64 } %t245, ptr %a250
+  call void @finch_str_drop(ptr %a250)
+  %t251 = load { ptr, i64, i64 }, ptr %a246
+  store { ptr, i64, i64 } %t251, ptr %a253
+  store { ptr, i64, i64 } { ptr @.str.7233, i64 1, i64 0 }, ptr %a254
+  call void @finch_str_concat(ptr %a252, ptr %a253, ptr %a254)
+  store { ptr, i64, i64 } %t251, ptr %a255
+  call void @finch_str_drop(ptr %a255)
+  %t256 = load { ptr, i64, i64 }, ptr %a252
+  call void @finch.drop.arr_str(ptr %a7)
+  %t257 = insertvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t256, 2
+  ret { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t257
+endif11252:
+  br label %endif11249
+endif11249:
+  br label %endif11238
+endif11238:
+  br label %endif11235
+endif11235:
+  br label %endif11232
+endif11232:
+  br label %endif11229
+endif11229:
+  br label %endif11226
+endif11226:
+  %t258 = load ptr, ptr %a1
+  %t259 = icmp eq ptr %t258, null
+  br i1 %t259, label %panic11270, label %ok11271
+panic11270:
+  call void @finch_panic(ptr @.str.7234, i64 406, ptr @.str.7235)
   unreachable
-ok10744:
-  %t251 = getelementptr inbounds %S.json.Reader, ptr %t249, i32 0, i32 1
-  %t252 = load i64, ptr %t251
-  store i64 %t252, ptr %a12
-  br label %while.cond10656
+ok11271:
+  %t260 = getelementptr inbounds %S.json.Reader, ptr %t258, i32 0, i32 1
+  %t261 = load i64, ptr %t260
+  store i64 %t261, ptr %a12
+  br label %while.cond11183
 }
 
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_number(ptr %p0) {
@@ -94220,361 +112263,362 @@ entry:
   %a147 = alloca { ptr, i64, i64 }, align 16
   %a148 = alloca double, align 16
   %a149 = alloca { ptr, i64, i64 }, align 16
-  %a154 = alloca { ptr, i64, i64 }, align 16
-  %a162 = alloca double, align 16
+  %a153 = alloca { ptr, i64, i64 }, align 16
+  %a155 = alloca { ptr, i64, i64 }, align 16
+  %a163 = alloca double, align 16
   store ptr %p0, ptr %a1
   %t2 = load ptr, ptr %a1
   %t3 = icmp eq ptr %t2, null
-  br i1 %t3, label %panic10745, label %ok10746
-panic10745:
-  call void @finch_panic(ptr @.str.7025, i64 411, ptr @.str.7026)
+  br i1 %t3, label %panic11272, label %ok11273
+panic11272:
+  call void @finch_panic(ptr @.str.7236, i64 411, ptr @.str.7237)
   unreachable
-ok10746:
+ok11273:
   %t4 = getelementptr inbounds %S.json.Reader, ptr %t2, i32 0, i32 1
   %t5 = load i64, ptr %t4
   store i64 %t5, ptr %a6
   %t7 = load ptr, ptr %a1
   %t8 = call i8 @finch.json.peek(ptr %t7)
   %t9 = icmp eq i8 %t8, 45
-  br i1 %t9, label %then10747, label %endif10749
-then10747:
+  br i1 %t9, label %then11274, label %endif11276
+then11274:
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic10750, label %ok10751
-panic10750:
-  call void @finch_panic(ptr @.str.7027, i64 413, ptr @.str.7028)
+  br i1 %t11, label %panic11277, label %ok11278
+panic11277:
+  call void @finch_panic(ptr @.str.7238, i64 413, ptr @.str.7239)
   unreachable
-ok10751:
+ok11278:
   %t12 = getelementptr inbounds %S.json.Reader, ptr %t10, i32 0, i32 1
   %t13 = load i64, ptr %t12
   %t14 = add i64 %t13, 1
   store i64 %t14, ptr %t12
-  br label %endif10749
-endif10749:
-  br label %while.cond10752
-while.cond10752:
+  br label %endif11276
+endif11276:
+  br label %while.cond11279
+while.cond11279:
   %t15 = load ptr, ptr %a1
   %t16 = icmp eq ptr %t15, null
-  br i1 %t16, label %panic10755, label %ok10756
-panic10755:
-  call void @finch_panic(ptr @.str.7029, i64 415, ptr @.str.7030)
+  br i1 %t16, label %panic11282, label %ok11283
+panic11282:
+  call void @finch_panic(ptr @.str.7240, i64 415, ptr @.str.7241)
   unreachable
-ok10756:
+ok11283:
   %t17 = getelementptr inbounds %S.json.Reader, ptr %t15, i32 0, i32 1
   %t18 = load i64, ptr %t17
   %t19 = load ptr, ptr %a1
   %t20 = icmp eq ptr %t19, null
-  br i1 %t20, label %panic10757, label %ok10758
-panic10757:
-  call void @finch_panic(ptr @.str.7031, i64 415, ptr @.str.7032)
+  br i1 %t20, label %panic11284, label %ok11285
+panic11284:
+  call void @finch_panic(ptr @.str.7242, i64 415, ptr @.str.7243)
   unreachable
-ok10758:
+ok11285:
   %t21 = getelementptr inbounds %S.json.Reader, ptr %t19, i32 0, i32 0
   %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %t21, i32 0, i32 1
   %t23 = load i64, ptr %t22
   %t24 = icmp slt i64 %t18, %t23
-  br label %logic.from10759
-logic.from10759:
-  br i1 %t24, label %logic.rhs10760, label %logic.end10761
-logic.rhs10760:
+  br label %logic.from11286
+logic.from11286:
+  br i1 %t24, label %logic.rhs11287, label %logic.end11288
+logic.rhs11287:
   %t25 = load ptr, ptr %a1
   %t26 = icmp eq ptr %t25, null
-  br i1 %t26, label %panic10762, label %ok10763
-panic10762:
-  call void @finch_panic(ptr @.str.7033, i64 415, ptr @.str.7034)
+  br i1 %t26, label %panic11289, label %ok11290
+panic11289:
+  call void @finch_panic(ptr @.str.7244, i64 415, ptr @.str.7245)
   unreachable
-ok10763:
+ok11290:
   %t27 = getelementptr inbounds %S.json.Reader, ptr %t25, i32 0, i32 0
   %t28 = load ptr, ptr %a1
   %t29 = icmp eq ptr %t28, null
-  br i1 %t29, label %panic10764, label %ok10765
-panic10764:
-  call void @finch_panic(ptr @.str.7035, i64 415, ptr @.str.7036)
+  br i1 %t29, label %panic11291, label %ok11292
+panic11291:
+  call void @finch_panic(ptr @.str.7246, i64 415, ptr @.str.7247)
   unreachable
-ok10765:
+ok11292:
   %t30 = getelementptr inbounds %S.json.Reader, ptr %t28, i32 0, i32 1
   %t31 = load i64, ptr %t30
   %t32 = load { ptr, i64, i64 }, ptr %t27
   %t33 = extractvalue { ptr, i64, i64 } %t32, 1
   %t34 = icmp uge i64 %t31, %t33
-  br i1 %t34, label %range10766, label %inrange10767
-range10766:
-  call void @finch_panic_index(ptr @.str.7037, i64 415, i64 %t31, i64 %t33)
+  br i1 %t34, label %range11293, label %inrange11294
+range11293:
+  call void @finch_panic_index(ptr @.str.7248, i64 415, i64 %t31, i64 %t33)
   unreachable
-inrange10767:
+inrange11294:
   %t35 = extractvalue { ptr, i64, i64 } %t32, 0
   %t36 = getelementptr inbounds i8, ptr %t35, i64 %t31
   %t37 = load i8, ptr %t36
   %t38 = icmp uge i8 %t37, 48
-  br label %logic.from10768
-logic.from10768:
-  br i1 %t38, label %logic.rhs10769, label %logic.end10770
-logic.rhs10769:
+  br label %logic.from11295
+logic.from11295:
+  br i1 %t38, label %logic.rhs11296, label %logic.end11297
+logic.rhs11296:
   %t39 = load ptr, ptr %a1
   %t40 = icmp eq ptr %t39, null
-  br i1 %t40, label %panic10771, label %ok10772
-panic10771:
-  call void @finch_panic(ptr @.str.7038, i64 415, ptr @.str.7039)
+  br i1 %t40, label %panic11298, label %ok11299
+panic11298:
+  call void @finch_panic(ptr @.str.7249, i64 415, ptr @.str.7250)
   unreachable
-ok10772:
+ok11299:
   %t41 = getelementptr inbounds %S.json.Reader, ptr %t39, i32 0, i32 0
   %t42 = load ptr, ptr %a1
   %t43 = icmp eq ptr %t42, null
-  br i1 %t43, label %panic10773, label %ok10774
-panic10773:
-  call void @finch_panic(ptr @.str.7040, i64 415, ptr @.str.7041)
+  br i1 %t43, label %panic11300, label %ok11301
+panic11300:
+  call void @finch_panic(ptr @.str.7251, i64 415, ptr @.str.7252)
   unreachable
-ok10774:
+ok11301:
   %t44 = getelementptr inbounds %S.json.Reader, ptr %t42, i32 0, i32 1
   %t45 = load i64, ptr %t44
   %t46 = load { ptr, i64, i64 }, ptr %t41
   %t47 = extractvalue { ptr, i64, i64 } %t46, 1
   %t48 = icmp uge i64 %t45, %t47
-  br i1 %t48, label %range10775, label %inrange10776
-range10775:
-  call void @finch_panic_index(ptr @.str.7042, i64 415, i64 %t45, i64 %t47)
+  br i1 %t48, label %range11302, label %inrange11303
+range11302:
+  call void @finch_panic_index(ptr @.str.7253, i64 415, i64 %t45, i64 %t47)
   unreachable
-inrange10776:
+inrange11303:
   %t49 = extractvalue { ptr, i64, i64 } %t46, 0
   %t50 = getelementptr inbounds i8, ptr %t49, i64 %t45
   %t51 = load i8, ptr %t50
   %t52 = icmp ule i8 %t51, 57
-  br label %logic.rend10777
-logic.rend10777:
-  br label %logic.end10770
-logic.end10770:
-  %t53 = phi i1 [ false, %logic.from10768 ], [ %t52, %logic.rend10777 ]
-  br label %logic.from10778
-logic.from10778:
-  br i1 %t53, label %logic.end10780, label %logic.rhs10779
-logic.rhs10779:
+  br label %logic.rend11304
+logic.rend11304:
+  br label %logic.end11297
+logic.end11297:
+  %t53 = phi i1 [ false, %logic.from11295 ], [ %t52, %logic.rend11304 ]
+  br label %logic.from11305
+logic.from11305:
+  br i1 %t53, label %logic.end11307, label %logic.rhs11306
+logic.rhs11306:
   %t54 = load ptr, ptr %a1
   %t55 = icmp eq ptr %t54, null
-  br i1 %t55, label %panic10781, label %ok10782
-panic10781:
-  call void @finch_panic(ptr @.str.7043, i64 415, ptr @.str.7044)
+  br i1 %t55, label %panic11308, label %ok11309
+panic11308:
+  call void @finch_panic(ptr @.str.7254, i64 415, ptr @.str.7255)
   unreachable
-ok10782:
+ok11309:
   %t56 = getelementptr inbounds %S.json.Reader, ptr %t54, i32 0, i32 0
   %t57 = load ptr, ptr %a1
   %t58 = icmp eq ptr %t57, null
-  br i1 %t58, label %panic10783, label %ok10784
-panic10783:
-  call void @finch_panic(ptr @.str.7045, i64 415, ptr @.str.7046)
+  br i1 %t58, label %panic11310, label %ok11311
+panic11310:
+  call void @finch_panic(ptr @.str.7256, i64 415, ptr @.str.7257)
   unreachable
-ok10784:
+ok11311:
   %t59 = getelementptr inbounds %S.json.Reader, ptr %t57, i32 0, i32 1
   %t60 = load i64, ptr %t59
   %t61 = load { ptr, i64, i64 }, ptr %t56
   %t62 = extractvalue { ptr, i64, i64 } %t61, 1
   %t63 = icmp uge i64 %t60, %t62
-  br i1 %t63, label %range10785, label %inrange10786
-range10785:
-  call void @finch_panic_index(ptr @.str.7047, i64 415, i64 %t60, i64 %t62)
+  br i1 %t63, label %range11312, label %inrange11313
+range11312:
+  call void @finch_panic_index(ptr @.str.7258, i64 415, i64 %t60, i64 %t62)
   unreachable
-inrange10786:
+inrange11313:
   %t64 = extractvalue { ptr, i64, i64 } %t61, 0
   %t65 = getelementptr inbounds i8, ptr %t64, i64 %t60
   %t66 = load i8, ptr %t65
   %t67 = icmp eq i8 %t66, 46
-  br label %logic.rend10787
-logic.rend10787:
-  br label %logic.end10780
-logic.end10780:
-  %t68 = phi i1 [ true, %logic.from10778 ], [ %t67, %logic.rend10787 ]
-  br label %logic.from10788
-logic.from10788:
-  br i1 %t68, label %logic.end10790, label %logic.rhs10789
-logic.rhs10789:
+  br label %logic.rend11314
+logic.rend11314:
+  br label %logic.end11307
+logic.end11307:
+  %t68 = phi i1 [ true, %logic.from11305 ], [ %t67, %logic.rend11314 ]
+  br label %logic.from11315
+logic.from11315:
+  br i1 %t68, label %logic.end11317, label %logic.rhs11316
+logic.rhs11316:
   %t69 = load ptr, ptr %a1
   %t70 = icmp eq ptr %t69, null
-  br i1 %t70, label %panic10791, label %ok10792
-panic10791:
-  call void @finch_panic(ptr @.str.7048, i64 415, ptr @.str.7049)
+  br i1 %t70, label %panic11318, label %ok11319
+panic11318:
+  call void @finch_panic(ptr @.str.7259, i64 415, ptr @.str.7260)
   unreachable
-ok10792:
+ok11319:
   %t71 = getelementptr inbounds %S.json.Reader, ptr %t69, i32 0, i32 0
   %t72 = load ptr, ptr %a1
   %t73 = icmp eq ptr %t72, null
-  br i1 %t73, label %panic10793, label %ok10794
-panic10793:
-  call void @finch_panic(ptr @.str.7050, i64 415, ptr @.str.7051)
+  br i1 %t73, label %panic11320, label %ok11321
+panic11320:
+  call void @finch_panic(ptr @.str.7261, i64 415, ptr @.str.7262)
   unreachable
-ok10794:
+ok11321:
   %t74 = getelementptr inbounds %S.json.Reader, ptr %t72, i32 0, i32 1
   %t75 = load i64, ptr %t74
   %t76 = load { ptr, i64, i64 }, ptr %t71
   %t77 = extractvalue { ptr, i64, i64 } %t76, 1
   %t78 = icmp uge i64 %t75, %t77
-  br i1 %t78, label %range10795, label %inrange10796
-range10795:
-  call void @finch_panic_index(ptr @.str.7052, i64 415, i64 %t75, i64 %t77)
+  br i1 %t78, label %range11322, label %inrange11323
+range11322:
+  call void @finch_panic_index(ptr @.str.7263, i64 415, i64 %t75, i64 %t77)
   unreachable
-inrange10796:
+inrange11323:
   %t79 = extractvalue { ptr, i64, i64 } %t76, 0
   %t80 = getelementptr inbounds i8, ptr %t79, i64 %t75
   %t81 = load i8, ptr %t80
   %t82 = icmp eq i8 %t81, 101
-  br label %logic.rend10797
-logic.rend10797:
-  br label %logic.end10790
-logic.end10790:
-  %t83 = phi i1 [ true, %logic.from10788 ], [ %t82, %logic.rend10797 ]
-  br label %logic.from10798
-logic.from10798:
-  br i1 %t83, label %logic.end10800, label %logic.rhs10799
-logic.rhs10799:
+  br label %logic.rend11324
+logic.rend11324:
+  br label %logic.end11317
+logic.end11317:
+  %t83 = phi i1 [ true, %logic.from11315 ], [ %t82, %logic.rend11324 ]
+  br label %logic.from11325
+logic.from11325:
+  br i1 %t83, label %logic.end11327, label %logic.rhs11326
+logic.rhs11326:
   %t84 = load ptr, ptr %a1
   %t85 = icmp eq ptr %t84, null
-  br i1 %t85, label %panic10801, label %ok10802
-panic10801:
-  call void @finch_panic(ptr @.str.7053, i64 415, ptr @.str.7054)
+  br i1 %t85, label %panic11328, label %ok11329
+panic11328:
+  call void @finch_panic(ptr @.str.7264, i64 415, ptr @.str.7265)
   unreachable
-ok10802:
+ok11329:
   %t86 = getelementptr inbounds %S.json.Reader, ptr %t84, i32 0, i32 0
   %t87 = load ptr, ptr %a1
   %t88 = icmp eq ptr %t87, null
-  br i1 %t88, label %panic10803, label %ok10804
-panic10803:
-  call void @finch_panic(ptr @.str.7055, i64 415, ptr @.str.7056)
+  br i1 %t88, label %panic11330, label %ok11331
+panic11330:
+  call void @finch_panic(ptr @.str.7266, i64 415, ptr @.str.7267)
   unreachable
-ok10804:
+ok11331:
   %t89 = getelementptr inbounds %S.json.Reader, ptr %t87, i32 0, i32 1
   %t90 = load i64, ptr %t89
   %t91 = load { ptr, i64, i64 }, ptr %t86
   %t92 = extractvalue { ptr, i64, i64 } %t91, 1
   %t93 = icmp uge i64 %t90, %t92
-  br i1 %t93, label %range10805, label %inrange10806
-range10805:
-  call void @finch_panic_index(ptr @.str.7057, i64 415, i64 %t90, i64 %t92)
+  br i1 %t93, label %range11332, label %inrange11333
+range11332:
+  call void @finch_panic_index(ptr @.str.7268, i64 415, i64 %t90, i64 %t92)
   unreachable
-inrange10806:
+inrange11333:
   %t94 = extractvalue { ptr, i64, i64 } %t91, 0
   %t95 = getelementptr inbounds i8, ptr %t94, i64 %t90
   %t96 = load i8, ptr %t95
   %t97 = icmp eq i8 %t96, 69
-  br label %logic.rend10807
-logic.rend10807:
-  br label %logic.end10800
-logic.end10800:
-  %t98 = phi i1 [ true, %logic.from10798 ], [ %t97, %logic.rend10807 ]
-  br label %logic.from10808
-logic.from10808:
-  br i1 %t98, label %logic.end10810, label %logic.rhs10809
-logic.rhs10809:
+  br label %logic.rend11334
+logic.rend11334:
+  br label %logic.end11327
+logic.end11327:
+  %t98 = phi i1 [ true, %logic.from11325 ], [ %t97, %logic.rend11334 ]
+  br label %logic.from11335
+logic.from11335:
+  br i1 %t98, label %logic.end11337, label %logic.rhs11336
+logic.rhs11336:
   %t99 = load ptr, ptr %a1
   %t100 = icmp eq ptr %t99, null
-  br i1 %t100, label %panic10811, label %ok10812
-panic10811:
-  call void @finch_panic(ptr @.str.7058, i64 415, ptr @.str.7059)
+  br i1 %t100, label %panic11338, label %ok11339
+panic11338:
+  call void @finch_panic(ptr @.str.7269, i64 415, ptr @.str.7270)
   unreachable
-ok10812:
+ok11339:
   %t101 = getelementptr inbounds %S.json.Reader, ptr %t99, i32 0, i32 0
   %t102 = load ptr, ptr %a1
   %t103 = icmp eq ptr %t102, null
-  br i1 %t103, label %panic10813, label %ok10814
-panic10813:
-  call void @finch_panic(ptr @.str.7060, i64 415, ptr @.str.7061)
+  br i1 %t103, label %panic11340, label %ok11341
+panic11340:
+  call void @finch_panic(ptr @.str.7271, i64 415, ptr @.str.7272)
   unreachable
-ok10814:
+ok11341:
   %t104 = getelementptr inbounds %S.json.Reader, ptr %t102, i32 0, i32 1
   %t105 = load i64, ptr %t104
   %t106 = load { ptr, i64, i64 }, ptr %t101
   %t107 = extractvalue { ptr, i64, i64 } %t106, 1
   %t108 = icmp uge i64 %t105, %t107
-  br i1 %t108, label %range10815, label %inrange10816
-range10815:
-  call void @finch_panic_index(ptr @.str.7062, i64 415, i64 %t105, i64 %t107)
+  br i1 %t108, label %range11342, label %inrange11343
+range11342:
+  call void @finch_panic_index(ptr @.str.7273, i64 415, i64 %t105, i64 %t107)
   unreachable
-inrange10816:
+inrange11343:
   %t109 = extractvalue { ptr, i64, i64 } %t106, 0
   %t110 = getelementptr inbounds i8, ptr %t109, i64 %t105
   %t111 = load i8, ptr %t110
   %t112 = icmp eq i8 %t111, 43
-  br label %logic.rend10817
-logic.rend10817:
-  br label %logic.end10810
-logic.end10810:
-  %t113 = phi i1 [ true, %logic.from10808 ], [ %t112, %logic.rend10817 ]
-  br label %logic.from10818
-logic.from10818:
-  br i1 %t113, label %logic.end10820, label %logic.rhs10819
-logic.rhs10819:
+  br label %logic.rend11344
+logic.rend11344:
+  br label %logic.end11337
+logic.end11337:
+  %t113 = phi i1 [ true, %logic.from11335 ], [ %t112, %logic.rend11344 ]
+  br label %logic.from11345
+logic.from11345:
+  br i1 %t113, label %logic.end11347, label %logic.rhs11346
+logic.rhs11346:
   %t114 = load ptr, ptr %a1
   %t115 = icmp eq ptr %t114, null
-  br i1 %t115, label %panic10821, label %ok10822
-panic10821:
-  call void @finch_panic(ptr @.str.7063, i64 415, ptr @.str.7064)
+  br i1 %t115, label %panic11348, label %ok11349
+panic11348:
+  call void @finch_panic(ptr @.str.7274, i64 415, ptr @.str.7275)
   unreachable
-ok10822:
+ok11349:
   %t116 = getelementptr inbounds %S.json.Reader, ptr %t114, i32 0, i32 0
   %t117 = load ptr, ptr %a1
   %t118 = icmp eq ptr %t117, null
-  br i1 %t118, label %panic10823, label %ok10824
-panic10823:
-  call void @finch_panic(ptr @.str.7065, i64 415, ptr @.str.7066)
+  br i1 %t118, label %panic11350, label %ok11351
+panic11350:
+  call void @finch_panic(ptr @.str.7276, i64 415, ptr @.str.7277)
   unreachable
-ok10824:
+ok11351:
   %t119 = getelementptr inbounds %S.json.Reader, ptr %t117, i32 0, i32 1
   %t120 = load i64, ptr %t119
   %t121 = load { ptr, i64, i64 }, ptr %t116
   %t122 = extractvalue { ptr, i64, i64 } %t121, 1
   %t123 = icmp uge i64 %t120, %t122
-  br i1 %t123, label %range10825, label %inrange10826
-range10825:
-  call void @finch_panic_index(ptr @.str.7067, i64 415, i64 %t120, i64 %t122)
+  br i1 %t123, label %range11352, label %inrange11353
+range11352:
+  call void @finch_panic_index(ptr @.str.7278, i64 415, i64 %t120, i64 %t122)
   unreachable
-inrange10826:
+inrange11353:
   %t124 = extractvalue { ptr, i64, i64 } %t121, 0
   %t125 = getelementptr inbounds i8, ptr %t124, i64 %t120
   %t126 = load i8, ptr %t125
   %t127 = icmp eq i8 %t126, 45
-  br label %logic.rend10827
-logic.rend10827:
-  br label %logic.end10820
-logic.end10820:
-  %t128 = phi i1 [ true, %logic.from10818 ], [ %t127, %logic.rend10827 ]
-  br label %logic.rend10828
-logic.rend10828:
-  br label %logic.end10761
-logic.end10761:
-  %t129 = phi i1 [ false, %logic.from10759 ], [ %t128, %logic.rend10828 ]
-  br i1 %t129, label %while.body10753, label %while.end10754
-while.body10753:
+  br label %logic.rend11354
+logic.rend11354:
+  br label %logic.end11347
+logic.end11347:
+  %t128 = phi i1 [ true, %logic.from11345 ], [ %t127, %logic.rend11354 ]
+  br label %logic.rend11355
+logic.rend11355:
+  br label %logic.end11288
+logic.end11288:
+  %t129 = phi i1 [ false, %logic.from11286 ], [ %t128, %logic.rend11355 ]
+  br i1 %t129, label %while.body11280, label %while.end11281
+while.body11280:
   %t130 = load ptr, ptr %a1
   %t131 = icmp eq ptr %t130, null
-  br i1 %t131, label %panic10829, label %ok10830
-panic10829:
-  call void @finch_panic(ptr @.str.7068, i64 416, ptr @.str.7069)
+  br i1 %t131, label %panic11356, label %ok11357
+panic11356:
+  call void @finch_panic(ptr @.str.7279, i64 416, ptr @.str.7280)
   unreachable
-ok10830:
+ok11357:
   %t132 = getelementptr inbounds %S.json.Reader, ptr %t130, i32 0, i32 1
   %t133 = load i64, ptr %t132
   %t134 = add i64 %t133, 1
   store i64 %t134, ptr %t132
-  br label %while.cond10752
-while.end10754:
+  br label %while.cond11279
+while.end11281:
   %t135 = load ptr, ptr %a1
   %t136 = icmp eq ptr %t135, null
-  br i1 %t136, label %panic10831, label %ok10832
-panic10831:
-  call void @finch_panic(ptr @.str.7070, i64 418, ptr @.str.7071)
+  br i1 %t136, label %panic11358, label %ok11359
+panic11358:
+  call void @finch_panic(ptr @.str.7281, i64 418, ptr @.str.7282)
   unreachable
-ok10832:
+ok11359:
   %t137 = getelementptr inbounds %S.json.Reader, ptr %t135, i32 0, i32 0
   %t138 = load { ptr, i64, i64 }, ptr %t137
   store { ptr, i64, i64 } %t138, ptr %a139
   %t141 = load i64, ptr %a6
   %t142 = load ptr, ptr %a1
   %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic10833, label %ok10834
-panic10833:
-  call void @finch_panic(ptr @.str.7073, i64 418, ptr @.str.7074)
+  br i1 %t143, label %panic11360, label %ok11361
+panic11360:
+  call void @finch_panic(ptr @.str.7284, i64 418, ptr @.str.7285)
   unreachable
-ok10834:
+ok11361:
   %t144 = getelementptr inbounds %S.json.Reader, ptr %t142, i32 0, i32 1
   %t145 = load i64, ptr %t144
-  call void @finch_str_sub(ptr %a140, ptr %a139, i64 %t141, i64 %t145, ptr @.str.7072, i64 418)
+  call void @finch_str_sub(ptr %a140, ptr %a139, i64 %t141, i64 %t145, ptr @.str.7283, i64 418)
   %t146 = load { ptr, i64, i64 }, ptr %a140
   store { ptr, i64, i64 } zeroinitializer, ptr %a147
   store double 0.0, ptr %a148
@@ -94582,31 +112626,34 @@ ok10834:
   %t150 = call i32 @finch_str_try_float(ptr %a149, ptr %a148, ptr %a147)
   %t151 = icmp eq i32 %t150, 0
   %t152 = load { ptr, i64, i64 }, ptr %a147
-  %t153 = load double, ptr %a148
-  br i1 %t151, label %or.failed10835, label %or.ok10836
-or.failed10835:
-  store { ptr, i64, i64 } %t152, ptr %a154
-  %t155 = load i64, ptr %a6
-  %t156 = load ptr, ptr %a1
-  %t157 = icmp eq ptr %t156, null
-  br i1 %t157, label %panic10837, label %ok10838
-panic10837:
-  call void @finch_panic(ptr @.str.7075, i64 419, ptr @.str.7076)
+  store { ptr, i64, i64 } %t146, ptr %a153
+  call void @finch_str_drop(ptr %a153)
+  %t154 = load double, ptr %a148
+  br i1 %t151, label %or.failed11362, label %or.ok11363
+or.failed11362:
+  store { ptr, i64, i64 } %t152, ptr %a155
+  %t156 = load i64, ptr %a6
+  %t157 = load ptr, ptr %a1
+  %t158 = icmp eq ptr %t157, null
+  br i1 %t158, label %panic11364, label %ok11365
+panic11364:
+  call void @finch_panic(ptr @.str.7286, i64 419, ptr @.str.7287)
   unreachable
-ok10838:
-  %t158 = getelementptr inbounds %S.json.Reader, ptr %t156, i32 0, i32 1
-  store i64 %t155, ptr %t158
-  %t159 = load ptr, ptr %a1
-  %t160 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t159, { ptr, i64, i64 } { ptr @.str.7077, i64 8, i64 0 })
-  %t161 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t160, 2
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t161
-or.ok10836:
-  store double %t153, ptr %a162
-  %t163 = load double, ptr %a162
-  %t164 = call %S.json.Json @finch.json.new_number(double %t163)
-  %t165 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t166 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t165, %S.json.Json %t164, 1
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t166
+ok11365:
+  %t159 = getelementptr inbounds %S.json.Reader, ptr %t157, i32 0, i32 1
+  store i64 %t156, ptr %t159
+  %t160 = load ptr, ptr %a1
+  %t161 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t160, { ptr, i64, i64 } { ptr @.str.7288, i64 8, i64 0 })
+  call void @finch_str_drop(ptr %a155)
+  %t162 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t161, 2
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t162
+or.ok11363:
+  store double %t154, ptr %a163
+  %t164 = load double, ptr %a163
+  %t165 = call %S.json.Json @finch.json.new_number(double %t164)
+  %t166 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t167 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t166, %S.json.Json %t165, 1
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t167
 }
 
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_value(ptr %p0) {
@@ -94627,44 +112674,44 @@ entry:
   store i8 %t4, ptr %a5
   %t6 = load ptr, ptr %a1
   %t7 = icmp eq ptr %t6, null
-  br i1 %t7, label %panic10839, label %ok10840
-panic10839:
-  call void @finch_panic(ptr @.str.7078, i64 428, ptr @.str.7079)
+  br i1 %t7, label %panic11366, label %ok11367
+panic11366:
+  call void @finch_panic(ptr @.str.7289, i64 428, ptr @.str.7290)
   unreachable
-ok10840:
+ok11367:
   %t8 = getelementptr inbounds %S.json.Reader, ptr %t6, i32 0, i32 1
   %t9 = load i64, ptr %t8
   %t10 = load ptr, ptr %a1
   %t11 = icmp eq ptr %t10, null
-  br i1 %t11, label %panic10841, label %ok10842
-panic10841:
-  call void @finch_panic(ptr @.str.7080, i64 428, ptr @.str.7081)
+  br i1 %t11, label %panic11368, label %ok11369
+panic11368:
+  call void @finch_panic(ptr @.str.7291, i64 428, ptr @.str.7292)
   unreachable
-ok10842:
+ok11369:
   %t12 = getelementptr inbounds %S.json.Reader, ptr %t10, i32 0, i32 0
   %t13 = getelementptr inbounds { ptr, i64, i64 }, ptr %t12, i32 0, i32 1
   %t14 = load i64, ptr %t13
   %t15 = icmp sge i64 %t9, %t14
-  br i1 %t15, label %then10843, label %endif10845
-then10843:
+  br i1 %t15, label %then11370, label %endif11372
+then11370:
   %t16 = load ptr, ptr %a1
-  %t17 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t16, { ptr, i64, i64 } { ptr @.str.7082, i64 7, i64 0 })
+  %t17 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t16, { ptr, i64, i64 } { ptr @.str.7293, i64 7, i64 0 })
   %t18 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t17, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t18
-endif10845:
+endif11372:
   %t19 = load i8, ptr %a5
   %t20 = icmp eq i8 %t19, 123
-  br i1 %t20, label %then10846, label %endif10848
-then10846:
+  br i1 %t20, label %then11373, label %endif11375
+then11373:
   %t21 = call %S.json.Json @finch.json.new_object()
   store %S.json.Json %t21, ptr %a22
   %t23 = load ptr, ptr %a1
   %t24 = icmp eq ptr %t23, null
-  br i1 %t24, label %panic10849, label %ok10850
-panic10849:
-  call void @finch_panic(ptr @.str.7083, i64 433, ptr @.str.7084)
+  br i1 %t24, label %panic11376, label %ok11377
+panic11376:
+  call void @finch_panic(ptr @.str.7294, i64 433, ptr @.str.7295)
   unreachable
-ok10850:
+ok11377:
   %t25 = getelementptr inbounds %S.json.Reader, ptr %t23, i32 0, i32 1
   %t26 = load i64, ptr %t25
   %t27 = add i64 %t26, 1
@@ -94674,15 +112721,15 @@ ok10850:
   %t29 = load ptr, ptr %a1
   %t30 = call i8 @finch.json.peek(ptr %t29)
   %t31 = icmp eq i8 %t30, 125
-  br i1 %t31, label %then10851, label %endif10853
-then10851:
+  br i1 %t31, label %then11378, label %endif11380
+then11378:
   %t32 = load ptr, ptr %a1
   %t33 = icmp eq ptr %t32, null
-  br i1 %t33, label %panic10854, label %ok10855
-panic10854:
-  call void @finch_panic(ptr @.str.7085, i64 436, ptr @.str.7086)
+  br i1 %t33, label %panic11381, label %ok11382
+panic11381:
+  call void @finch_panic(ptr @.str.7296, i64 436, ptr @.str.7297)
   unreachable
-ok10855:
+ok11382:
   %t34 = getelementptr inbounds %S.json.Reader, ptr %t32, i32 0, i32 1
   %t35 = load i64, ptr %t34
   %t36 = add i64 %t35, 1
@@ -94691,54 +112738,58 @@ ok10855:
   %t38 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t39 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t38, %S.json.Json %t37, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t39
-endif10853:
-  br label %while.cond10856
-while.cond10856:
-  br label %while.body10857
-while.body10857:
+endif11380:
+  br label %while.cond11383
+while.cond11383:
+  br label %while.body11384
+while.body11384:
   %t40 = load ptr, ptr %a1
   call void @finch.json.skip_space(ptr %t40)
   %t41 = load ptr, ptr %a1
   %t42 = call i8 @finch.json.peek(ptr %t41)
   %t43 = icmp ne i8 %t42, 34
-  br i1 %t43, label %then10859, label %endif10861
-then10859:
+  br i1 %t43, label %then11386, label %endif11388
+then11386:
   %t44 = load ptr, ptr %a1
-  %t45 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t44, { ptr, i64, i64 } { ptr @.str.7087, i64 15, i64 0 })
+  %t45 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t44, { ptr, i64, i64 } { ptr @.str.7298, i64 15, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t46 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t45, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t46
-endif10861:
+endif11388:
   %t47 = load ptr, ptr %a1
   %t48 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.json.read_string(ptr %t47)
   %t49 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t48, 0
   %t50 = xor i1 %t49, true
   %t51 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t48, 2
   %t52 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t48, 1
-  br i1 %t50, label %try.failed10862, label %try.ok10863
-try.failed10862:
+  br i1 %t50, label %try.failed11389, label %try.ok11390
+try.failed11389:
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t53 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t51, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t53
-try.ok10863:
+try.ok11390:
   store { ptr, i64, i64 } %t52, ptr %a54
   %t55 = load ptr, ptr %a1
   call void @finch.json.skip_space(ptr %t55)
   %t56 = load ptr, ptr %a1
   %t57 = call i8 @finch.json.peek(ptr %t56)
   %t58 = icmp ne i8 %t57, 58
-  br i1 %t58, label %then10864, label %endif10866
-then10864:
+  br i1 %t58, label %then11391, label %endif11393
+then11391:
   %t59 = load ptr, ptr %a1
-  %t60 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t59, { ptr, i64, i64 } { ptr @.str.7088, i64 3, i64 0 })
+  %t60 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t59, { ptr, i64, i64 } { ptr @.str.7299, i64 3, i64 0 })
+  call void @finch_str_drop(ptr %a54)
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t61 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t60, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t61
-endif10866:
+endif11393:
   %t62 = load ptr, ptr %a1
   %t63 = icmp eq ptr %t62, null
-  br i1 %t63, label %panic10867, label %ok10868
-panic10867:
-  call void @finch_panic(ptr @.str.7089, i64 449, ptr @.str.7090)
+  br i1 %t63, label %panic11394, label %ok11395
+panic11394:
+  call void @finch_panic(ptr @.str.7300, i64 449, ptr @.str.7301)
   unreachable
-ok10868:
+ok11395:
   %t64 = getelementptr inbounds %S.json.Reader, ptr %t62, i32 0, i32 1
   %t65 = load i64, ptr %t64
   %t66 = add i64 %t65, 1
@@ -94749,11 +112800,13 @@ ok10868:
   %t70 = xor i1 %t69, true
   %t71 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t68, 2
   %t72 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t68, 1
-  br i1 %t70, label %try.failed10869, label %try.ok10870
-try.failed10869:
+  br i1 %t70, label %try.failed11396, label %try.ok11397
+try.failed11396:
+  call void @finch_str_drop(ptr %a54)
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t73 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t71, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t73
-try.ok10870:
+try.ok11397:
   store %S.json.Json %t72, ptr %a74
   %t75 = load { ptr, i64, i64 }, ptr %a54
   %t76 = load %S.json.Json, ptr %a74
@@ -94763,60 +112816,67 @@ try.ok10870:
   %t78 = load ptr, ptr %a1
   %t79 = call i8 @finch.json.peek(ptr %t78)
   %t80 = icmp eq i8 %t79, 44
-  br i1 %t80, label %then10871, label %endif10873
-then10871:
+  br i1 %t80, label %then11398, label %endif11400
+then11398:
   %t81 = load ptr, ptr %a1
   %t82 = icmp eq ptr %t81, null
-  br i1 %t82, label %panic10874, label %ok10875
-panic10874:
-  call void @finch_panic(ptr @.str.7091, i64 454, ptr @.str.7092)
+  br i1 %t82, label %panic11401, label %ok11402
+panic11401:
+  call void @finch_panic(ptr @.str.7302, i64 454, ptr @.str.7303)
   unreachable
-ok10875:
+ok11402:
   %t83 = getelementptr inbounds %S.json.Reader, ptr %t81, i32 0, i32 1
   %t84 = load i64, ptr %t83
   %t85 = add i64 %t84, 1
   store i64 %t85, ptr %t83
-  br label %while.cond10856
-endif10873:
+  call void @finch.drop.S_json_Json(ptr %a74)
+  call void @finch_str_drop(ptr %a54)
+  br label %while.cond11383
+endif11400:
   %t86 = load ptr, ptr %a1
   %t87 = call i8 @finch.json.peek(ptr %t86)
   %t88 = icmp eq i8 %t87, 125
-  br i1 %t88, label %then10876, label %endif10878
-then10876:
+  br i1 %t88, label %then11403, label %endif11405
+then11403:
   %t89 = load ptr, ptr %a1
   %t90 = icmp eq ptr %t89, null
-  br i1 %t90, label %panic10879, label %ok10880
-panic10879:
-  call void @finch_panic(ptr @.str.7093, i64 458, ptr @.str.7094)
+  br i1 %t90, label %panic11406, label %ok11407
+panic11406:
+  call void @finch_panic(ptr @.str.7304, i64 458, ptr @.str.7305)
   unreachable
-ok10880:
+ok11407:
   %t91 = getelementptr inbounds %S.json.Reader, ptr %t89, i32 0, i32 1
   %t92 = load i64, ptr %t91
   %t93 = add i64 %t92, 1
   store i64 %t93, ptr %t91
   %t94 = load %S.json.Json, ptr %a22
+  call void @finch.drop.S_json_Json(ptr %a74)
+  call void @finch_str_drop(ptr %a54)
   %t95 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t96 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t95, %S.json.Json %t94, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t96
-endif10878:
+endif11405:
   %t97 = load ptr, ptr %a1
-  %t98 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t97, { ptr, i64, i64 } { ptr @.str.7095, i64 10, i64 0 })
+  %t98 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t97, { ptr, i64, i64 } { ptr @.str.7306, i64 10, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a74)
+  call void @finch_str_drop(ptr %a54)
+  call void @finch.drop.S_json_Json(ptr %a22)
   %t99 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t98, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t99
-endif10848:
+endif11375:
   %t100 = load i8, ptr %a5
   %t101 = icmp eq i8 %t100, 91
-  br i1 %t101, label %then10881, label %endif10883
-then10881:
+  br i1 %t101, label %then11408, label %endif11410
+then11408:
   %t102 = call %S.json.Json @finch.json.new_list()
   store %S.json.Json %t102, ptr %a103
   %t104 = load ptr, ptr %a1
   %t105 = icmp eq ptr %t104, null
-  br i1 %t105, label %panic10884, label %ok10885
-panic10884:
-  call void @finch_panic(ptr @.str.7096, i64 466, ptr @.str.7097)
+  br i1 %t105, label %panic11411, label %ok11412
+panic11411:
+  call void @finch_panic(ptr @.str.7307, i64 466, ptr @.str.7308)
   unreachable
-ok10885:
+ok11412:
   %t106 = getelementptr inbounds %S.json.Reader, ptr %t104, i32 0, i32 1
   %t107 = load i64, ptr %t106
   %t108 = add i64 %t107, 1
@@ -94826,15 +112886,15 @@ ok10885:
   %t110 = load ptr, ptr %a1
   %t111 = call i8 @finch.json.peek(ptr %t110)
   %t112 = icmp eq i8 %t111, 93
-  br i1 %t112, label %then10886, label %endif10888
-then10886:
+  br i1 %t112, label %then11413, label %endif11415
+then11413:
   %t113 = load ptr, ptr %a1
   %t114 = icmp eq ptr %t113, null
-  br i1 %t114, label %panic10889, label %ok10890
-panic10889:
-  call void @finch_panic(ptr @.str.7098, i64 469, ptr @.str.7099)
+  br i1 %t114, label %panic11416, label %ok11417
+panic11416:
+  call void @finch_panic(ptr @.str.7309, i64 469, ptr @.str.7310)
   unreachable
-ok10890:
+ok11417:
   %t115 = getelementptr inbounds %S.json.Reader, ptr %t113, i32 0, i32 1
   %t116 = load i64, ptr %t115
   %t117 = add i64 %t116, 1
@@ -94843,22 +112903,23 @@ ok10890:
   %t119 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t120 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t119, %S.json.Json %t118, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t120
-endif10888:
-  br label %while.cond10891
-while.cond10891:
-  br label %while.body10892
-while.body10892:
+endif11415:
+  br label %while.cond11418
+while.cond11418:
+  br label %while.body11419
+while.body11419:
   %t121 = load ptr, ptr %a1
   %t122 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_value(ptr %t121)
   %t123 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t122, 0
   %t124 = xor i1 %t123, true
   %t125 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t122, 2
   %t126 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t122, 1
-  br i1 %t124, label %try.failed10894, label %try.ok10895
-try.failed10894:
+  br i1 %t124, label %try.failed11421, label %try.ok11422
+try.failed11421:
+  call void @finch.drop.S_json_Json(ptr %a103)
   %t127 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t125, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t127
-try.ok10895:
+try.ok11422:
   store %S.json.Json %t126, ptr %a128
   %t129 = load %S.json.Json, ptr %a128
   call void @finch.json.Json.push(ptr %a103, %S.json.Json %t129)
@@ -94867,173 +112928,186 @@ try.ok10895:
   %t131 = load ptr, ptr %a1
   %t132 = call i8 @finch.json.peek(ptr %t131)
   %t133 = icmp eq i8 %t132, 44
-  br i1 %t133, label %then10896, label %endif10898
-then10896:
+  br i1 %t133, label %then11423, label %endif11425
+then11423:
   %t134 = load ptr, ptr %a1
   %t135 = icmp eq ptr %t134, null
-  br i1 %t135, label %panic10899, label %ok10900
-panic10899:
-  call void @finch_panic(ptr @.str.7100, i64 477, ptr @.str.7101)
+  br i1 %t135, label %panic11426, label %ok11427
+panic11426:
+  call void @finch_panic(ptr @.str.7311, i64 477, ptr @.str.7312)
   unreachable
-ok10900:
+ok11427:
   %t136 = getelementptr inbounds %S.json.Reader, ptr %t134, i32 0, i32 1
   %t137 = load i64, ptr %t136
   %t138 = add i64 %t137, 1
   store i64 %t138, ptr %t136
-  br label %while.cond10891
-endif10898:
+  call void @finch.drop.S_json_Json(ptr %a128)
+  br label %while.cond11418
+endif11425:
   %t139 = load ptr, ptr %a1
   %t140 = call i8 @finch.json.peek(ptr %t139)
   %t141 = icmp eq i8 %t140, 93
-  br i1 %t141, label %then10901, label %endif10903
-then10901:
+  br i1 %t141, label %then11428, label %endif11430
+then11428:
   %t142 = load ptr, ptr %a1
   %t143 = icmp eq ptr %t142, null
-  br i1 %t143, label %panic10904, label %ok10905
-panic10904:
-  call void @finch_panic(ptr @.str.7102, i64 481, ptr @.str.7103)
+  br i1 %t143, label %panic11431, label %ok11432
+panic11431:
+  call void @finch_panic(ptr @.str.7313, i64 481, ptr @.str.7314)
   unreachable
-ok10905:
+ok11432:
   %t144 = getelementptr inbounds %S.json.Reader, ptr %t142, i32 0, i32 1
   %t145 = load i64, ptr %t144
   %t146 = add i64 %t145, 1
   store i64 %t146, ptr %t144
   %t147 = load %S.json.Json, ptr %a103
+  call void @finch.drop.S_json_Json(ptr %a128)
   %t148 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t149 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t148, %S.json.Json %t147, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t149
-endif10903:
+endif11430:
   %t150 = load ptr, ptr %a1
-  %t151 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t150, { ptr, i64, i64 } { ptr @.str.7104, i64 10, i64 0 })
+  %t151 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t150, { ptr, i64, i64 } { ptr @.str.7315, i64 10, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a128)
+  call void @finch.drop.S_json_Json(ptr %a103)
   %t152 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t151, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t152
-endif10883:
+endif11410:
   %t153 = load i8, ptr %a5
   %t154 = icmp eq i8 %t153, 34
-  br i1 %t154, label %then10906, label %endif10908
-then10906:
+  br i1 %t154, label %then11433, label %endif11435
+then11433:
   %t155 = load ptr, ptr %a1
   %t156 = call { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } @finch.json.read_string(ptr %t155)
   %t157 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t156, 0
   %t158 = xor i1 %t157, true
   %t159 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t156, 2
   %t160 = extractvalue { i1, { ptr, i64, i64 }, { ptr, i64, i64 } } %t156, 1
-  br i1 %t158, label %try.failed10909, label %try.ok10910
-try.failed10909:
+  br i1 %t158, label %try.failed11436, label %try.ok11437
+try.failed11436:
   %t161 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t159, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t161
-try.ok10910:
+try.ok11437:
   store { ptr, i64, i64 } %t160, ptr %a162
   %t163 = load { ptr, i64, i64 }, ptr %a162
   %t164 = call %S.json.Json @finch.json.new_text({ ptr, i64, i64 } %t163)
+  call void @finch_str_drop(ptr %a162)
   %t165 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t166 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t165, %S.json.Json %t164, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t166
-endif10908:
+endif11435:
   %t167 = load i8, ptr %a5
   %t168 = icmp eq i8 %t167, 116
-  br i1 %t168, label %then10911, label %endif10913
-then10911:
+  br i1 %t168, label %then11438, label %endif11440
+then11438:
   %t169 = load ptr, ptr %a1
-  %t170 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t169, { ptr, i64, i64 } { ptr @.str.7105, i64 4, i64 0 })
+  %t170 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t169, { ptr, i64, i64 } { ptr @.str.7316, i64 4, i64 0 })
   %t171 = extractvalue { i1, i8, { ptr, i64, i64 } } %t170, 0
   %t172 = xor i1 %t171, true
   %t173 = extractvalue { i1, i8, { ptr, i64, i64 } } %t170, 2
-  br i1 %t172, label %try.failed10914, label %try.ok10915
-try.failed10914:
+  br i1 %t172, label %try.failed11441, label %try.ok11442
+try.failed11441:
   %t174 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t173, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t174
-try.ok10915:
+try.ok11442:
   %t175 = call %S.json.Json @finch.json.new_bool(i1 true)
   %t176 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t177 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t176, %S.json.Json %t175, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t177
-endif10913:
+endif11440:
   %t178 = load i8, ptr %a5
   %t179 = icmp eq i8 %t178, 102
-  br i1 %t179, label %then10916, label %endif10918
-then10916:
+  br i1 %t179, label %then11443, label %endif11445
+then11443:
   %t180 = load ptr, ptr %a1
-  %t181 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t180, { ptr, i64, i64 } { ptr @.str.7106, i64 5, i64 0 })
+  %t181 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t180, { ptr, i64, i64 } { ptr @.str.7317, i64 5, i64 0 })
   %t182 = extractvalue { i1, i8, { ptr, i64, i64 } } %t181, 0
   %t183 = xor i1 %t182, true
   %t184 = extractvalue { i1, i8, { ptr, i64, i64 } } %t181, 2
-  br i1 %t183, label %try.failed10919, label %try.ok10920
-try.failed10919:
+  br i1 %t183, label %try.failed11446, label %try.ok11447
+try.failed11446:
   %t185 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t184, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t185
-try.ok10920:
+try.ok11447:
   %t186 = call %S.json.Json @finch.json.new_bool(i1 false)
   %t187 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t188 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t187, %S.json.Json %t186, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t188
-endif10918:
+endif11445:
   %t189 = load i8, ptr %a5
   %t190 = icmp eq i8 %t189, 110
-  br i1 %t190, label %then10921, label %endif10923
-then10921:
+  br i1 %t190, label %then11448, label %endif11450
+then11448:
   %t191 = load ptr, ptr %a1
-  %t192 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t191, { ptr, i64, i64 } { ptr @.str.7107, i64 4, i64 0 })
+  %t192 = call { i1, i8, { ptr, i64, i64 } } @finch.json.expect_word(ptr %t191, { ptr, i64, i64 } { ptr @.str.7318, i64 4, i64 0 })
   %t193 = extractvalue { i1, i8, { ptr, i64, i64 } } %t192, 0
   %t194 = xor i1 %t193, true
   %t195 = extractvalue { i1, i8, { ptr, i64, i64 } } %t192, 2
-  br i1 %t194, label %try.failed10924, label %try.ok10925
-try.failed10924:
+  br i1 %t194, label %try.failed11451, label %try.ok11452
+try.failed11451:
   %t196 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t195, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t196
-try.ok10925:
+try.ok11452:
   %t197 = call %S.json.Json @finch.json.new_null()
   %t198 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t199 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t198, %S.json.Json %t197, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t199
-endif10923:
+endif11450:
   %t200 = load i8, ptr %a5
   %t201 = icmp eq i8 %t200, 45
-  br label %logic.from10926
-logic.from10926:
-  br i1 %t201, label %logic.end10928, label %logic.rhs10927
-logic.rhs10927:
+  br label %logic.from11453
+logic.from11453:
+  br i1 %t201, label %logic.end11455, label %logic.rhs11454
+logic.rhs11454:
   %t202 = load i8, ptr %a5
   %t203 = icmp uge i8 %t202, 48
-  br label %logic.from10929
-logic.from10929:
-  br i1 %t203, label %logic.rhs10930, label %logic.end10931
-logic.rhs10930:
+  br label %logic.from11456
+logic.from11456:
+  br i1 %t203, label %logic.rhs11457, label %logic.end11458
+logic.rhs11457:
   %t204 = load i8, ptr %a5
   %t205 = icmp ule i8 %t204, 57
-  br label %logic.rend10932
-logic.rend10932:
-  br label %logic.end10931
-logic.end10931:
-  %t206 = phi i1 [ false, %logic.from10929 ], [ %t205, %logic.rend10932 ]
-  br label %logic.rend10933
-logic.rend10933:
-  br label %logic.end10928
-logic.end10928:
-  %t207 = phi i1 [ true, %logic.from10926 ], [ %t206, %logic.rend10933 ]
-  br i1 %t207, label %then10934, label %endif10936
-then10934:
+  br label %logic.rend11459
+logic.rend11459:
+  br label %logic.end11458
+logic.end11458:
+  %t206 = phi i1 [ false, %logic.from11456 ], [ %t205, %logic.rend11459 ]
+  br label %logic.rend11460
+logic.rend11460:
+  br label %logic.end11455
+logic.end11455:
+  %t207 = phi i1 [ true, %logic.from11453 ], [ %t206, %logic.rend11460 ]
+  br i1 %t207, label %then11461, label %endif11463
+then11461:
   %t208 = load ptr, ptr %a1
   %t209 = call { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.read_number(ptr %t208)
   %t210 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t209, 0
   %t211 = xor i1 %t210, true
   %t212 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t209, 2
   %t213 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t209, 1
-  br i1 %t211, label %try.failed10937, label %try.ok10938
-try.failed10937:
+  br i1 %t211, label %try.failed11464, label %try.ok11465
+try.failed11464:
   %t214 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t212, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t214
-try.ok10938:
+try.ok11465:
   %t215 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
   %t216 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t215, %S.json.Json %t213, 1
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t216
-endif10936:
+endif11463:
   %t217 = load ptr, ptr %a1
-  %t218 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t217, { ptr, i64, i64 } { ptr @.str.7108, i64 7, i64 0 })
+  %t218 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %t217, { ptr, i64, i64 } { ptr @.str.7319, i64 7, i64 0 })
   %t219 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t218, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t219
 }
 
+define internal void @finch.drop.S_json_Reader(ptr %a) {
+entry:
+
+  %t1 = getelementptr inbounds %S.json.Reader, ptr %a, i32 0, i32 0
+  call void @finch_str_drop(ptr %t1)
+  ret void
+}
+
 define internal { i1, %S.json.Json, { ptr, i64, i64 } } @finch.json.parse({ ptr, i64, i64 } %p0) {
 entry:
   %a1 = alloca { ptr, i64, i64 }, align 16
@@ -95041,8 +113115,6 @@ entry:
   %a4 = alloca { ptr, i64, i64 }, align 16
   %a7 = alloca %S.json.Reader, align 16
   %a14 = alloca %S.json.Json, align 16
-  %a24 = alloca %S.json.Json, align 16
-  %a25 = alloca %S.json.Json, align 16
   store { ptr, i64, i64 } %p0, ptr %a1
   %t2 = load { ptr, i64, i64 }, ptr %a1
   store { ptr, i64, i64 } %t2, ptr %a3
@@ -95055,11 +113127,12 @@ entry:
   %t10 = xor i1 %t9, true
   %t11 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t8, 2
   %t12 = extractvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t8, 1
-  br i1 %t10, label %try.failed10939, label %try.ok10940
-try.failed10939:
+  br i1 %t10, label %try.failed11466, label %try.ok11467
+try.failed11466:
+  call void @finch.drop.S_json_Reader(ptr %a7)
   %t13 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t11, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t13
-try.ok10940:
+try.ok11467:
   store %S.json.Json %t12, ptr %a14
   call void @finch.json.skip_space(ptr %a7)
   %t15 = getelementptr inbounds %S.json.Reader, ptr %a7, i32 0, i32 1
@@ -95068,19 +113141,163 @@ try.ok10940:
   %t18 = getelementptr inbounds { ptr, i64, i64 }, ptr %t17, i32 0, i32 1
   %t19 = load i64, ptr %t18
   %t20 = icmp slt i64 %t16, %t19
-  br i1 %t20, label %then10941, label %endif10943
-then10941:
-  %t21 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %a7, { ptr, i64, i64 } { ptr @.str.7109, i64 19, i64 0 })
+  br i1 %t20, label %then11468, label %endif11470
+then11468:
+  %t21 = call { ptr, i64, i64 } @finch.json.unexpected(ptr %a7, { ptr, i64, i64 } { ptr @.str.7320, i64 19, i64 0 })
+  call void @finch.drop.S_json_Json(ptr %a14)
+  call void @finch.drop.S_json_Reader(ptr %a7)
   %t22 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, { ptr, i64, i64 } %t21, 2
   ret { i1, %S.json.Json, { ptr, i64, i64 } } %t22
-endif10943:
+endif11470:
   %t23 = load %S.json.Json, ptr %a14
-  store %S.json.Json %t23, ptr %a24
-  call void @finch.copy.S_json_Json(ptr %a25, ptr %a24)
-  %t26 = load %S.json.Json, ptr %a25
-  %t27 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
-  %t28 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t27, %S.json.Json %t26, 1
-  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t28
+  call void @finch.drop.S_json_Reader(ptr %a7)
+  %t24 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } zeroinitializer, i1 true, 0
+  %t25 = insertvalue { i1, %S.json.Json, { ptr, i64, i64 } } %t24, %S.json.Json %t23, 1
+  ret { i1, %S.json.Json, { ptr, i64, i64 } } %t25
+}
+
+define internal { ptr, i64, i64 } @finch.embedded.names() {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  %t4 = add i64 %t3, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t4, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t5 = load ptr, ptr %a1
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 %t3
+  store { ptr, i64, i64 } { ptr @.str.7321, i64 18, i64 0 }, ptr %t6
+  store i64 %t4, ptr %t2
+  %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t8 = load i64, ptr %t7
+  %t9 = add i64 %t8, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t9, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t10 = load ptr, ptr %a1
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t8
+  store { ptr, i64, i64 } { ptr @.str.7322, i64 12, i64 0 }, ptr %t11
+  store i64 %t9, ptr %t7
+  %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t13 = load i64, ptr %t12
+  %t14 = add i64 %t13, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t14, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 %t13
+  store { ptr, i64, i64 } { ptr @.str.7323, i64 12, i64 0 }, ptr %t16
+  store i64 %t14, ptr %t12
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  %t19 = add i64 %t18, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t19, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t20 = load ptr, ptr %a1
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i64 %t18
+  store { ptr, i64, i64 } { ptr @.str.7324, i64 12, i64 0 }, ptr %t21
+  store i64 %t19, ptr %t17
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = add i64 %t23, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t24, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t25 = load ptr, ptr %a1
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i64 %t23
+  store { ptr, i64, i64 } { ptr @.str.7325, i64 20, i64 0 }, ptr %t26
+  store i64 %t24, ptr %t22
+  %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t28 = load i64, ptr %t27
+  %t29 = add i64 %t28, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t30 = load ptr, ptr %a1
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
+  store { ptr, i64, i64 } { ptr @.str.7326, i64 12, i64 0 }, ptr %t31
+  store i64 %t29, ptr %t27
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = add i64 %t33, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t34, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t35 = load ptr, ptr %a1
+  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i64 %t33
+  store { ptr, i64, i64 } { ptr @.str.7327, i64 20, i64 0 }, ptr %t36
+  store i64 %t34, ptr %t32
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t38 = load i64, ptr %t37
+  %t39 = add i64 %t38, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t39, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t40 = load ptr, ptr %a1
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t38
+  store { ptr, i64, i64 } { ptr @.str.7328, i64 15, i64 0 }, ptr %t41
+  store i64 %t39, ptr %t37
+  %t42 = load { ptr, i64, i64 }, ptr %a1
+  ret { ptr, i64, i64 } %t42
+}
+
+define internal { ptr, i64, i64 } @finch.embedded.texts() {
+entry:
+  %a1 = alloca { ptr, i64, i64 }, align 16
+  store { ptr, i64, i64 } zeroinitializer, ptr %a1
+  %t2 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t3 = load i64, ptr %t2
+  %t4 = add i64 %t3, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t4, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t5 = load ptr, ptr %a1
+  %t6 = getelementptr inbounds { ptr, i64, i64 }, ptr %t5, i64 %t3
+  store { ptr, i64, i64 } { ptr @.str.7329, i64 24981, i64 0 }, ptr %t6
+  store i64 %t4, ptr %t2
+  %t7 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t8 = load i64, ptr %t7
+  %t9 = add i64 %t8, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t9, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t10 = load ptr, ptr %a1
+  %t11 = getelementptr inbounds { ptr, i64, i64 }, ptr %t10, i64 %t8
+  store { ptr, i64, i64 } { ptr @.str.7330, i64 12884, i64 0 }, ptr %t11
+  store i64 %t9, ptr %t7
+  %t12 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t13 = load i64, ptr %t12
+  %t14 = add i64 %t13, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t14, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t15 = load ptr, ptr %a1
+  %t16 = getelementptr inbounds { ptr, i64, i64 }, ptr %t15, i64 %t13
+  store { ptr, i64, i64 } { ptr @.str.7331, i64 2846, i64 0 }, ptr %t16
+  store i64 %t14, ptr %t12
+  %t17 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t18 = load i64, ptr %t17
+  %t19 = add i64 %t18, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t19, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t20 = load ptr, ptr %a1
+  %t21 = getelementptr inbounds { ptr, i64, i64 }, ptr %t20, i64 %t18
+  store { ptr, i64, i64 } { ptr @.str.7332, i64 1406, i64 0 }, ptr %t21
+  store i64 %t19, ptr %t17
+  %t22 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t23 = load i64, ptr %t22
+  %t24 = add i64 %t23, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t24, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t25 = load ptr, ptr %a1
+  %t26 = getelementptr inbounds { ptr, i64, i64 }, ptr %t25, i64 %t23
+  store { ptr, i64, i64 } { ptr @.str.7333, i64 995, i64 0 }, ptr %t26
+  store i64 %t24, ptr %t22
+  %t27 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t28 = load i64, ptr %t27
+  %t29 = add i64 %t28, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t29, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t30 = load ptr, ptr %a1
+  %t31 = getelementptr inbounds { ptr, i64, i64 }, ptr %t30, i64 %t28
+  store { ptr, i64, i64 } { ptr @.str.7334, i64 2539, i64 0 }, ptr %t31
+  store i64 %t29, ptr %t27
+  %t32 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t33 = load i64, ptr %t32
+  %t34 = add i64 %t33, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t34, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t35 = load ptr, ptr %a1
+  %t36 = getelementptr inbounds { ptr, i64, i64 }, ptr %t35, i64 %t33
+  store { ptr, i64, i64 } { ptr @.str.7335, i64 1792, i64 0 }, ptr %t36
+  store i64 %t34, ptr %t32
+  %t37 = getelementptr inbounds { ptr, i64, i64 }, ptr %a1, i32 0, i32 1
+  %t38 = load i64, ptr %t37
+  %t39 = add i64 %t38, 1
+  call void @finch_arr_reserve(ptr %a1, i64 %t39, i64 ptrtoint (ptr getelementptr ({ ptr, i64, i64 }, ptr null, i32 1) to i64))
+  %t40 = load ptr, ptr %a1
+  %t41 = getelementptr inbounds { ptr, i64, i64 }, ptr %t40, i64 %t38
+  store { ptr, i64, i64 } { ptr @.str.7336, i64 365, i64 0 }, ptr %t41
+  store i64 %t39, ptr %t37
+  %t42 = load { ptr, i64, i64 }, ptr %a1
+  ret { ptr, i64, i64 } %t42
 }
 
 define i32 @main(i32 %argc, ptr %argv) {
diff --git a/src/gen.fch b/src/gen.fch
index 66e8ff8..3ba4b96 100644
--- a/src/gen.fch
+++ b/src/gen.fch
@@ -14,6 +14,8 @@ struct Var {
     str slot
     bool readonly
     int order       // how many variables were declared before this one (for defer)
+    bool owned      // it holds memory that is dropped when its scope ends
+    bool moved      // `return x` moved it out: its cleanup is skipped
     str dpath       // where it was declared, for the language server
     int dline
     int dcol
@@ -54,16 +56,33 @@ struct EnumDef {
     []int values
 }
 
+// What happens when a scope ends, in the order things happened (run newest first): a variable is dropped,
+// a defer is run. `idx` is the variable's number in the scope, or the defer's.
+struct Cleanup {
+    bool isDefer
+    int idx
+}
+
 struct Scope {
     []Var vars
     []ast.Node defers
     []int orders
+    []Cleanup cleanups
+}
+
+// A value some expression is holding while it computes the rest: if `try` or `or` leaves the function now,
+// it has to be dropped. isAddr: v is the address of the value, not the value.
+struct Pending {
+    str v
+    ast.Type ty
+    bool isAddr
 }
 
 struct Loop {
     str cont
     str brk
     int depth       // the scope depth at the loop: break and continue unwind down to it
+    int pend        // and so are the temporaries held by the expressions around it
 }
 
 struct FnSig {
@@ -137,6 +156,7 @@ struct Gen {
     int nstr
     bool term
     []Scope scopes
+    []Pending pending
     []Loop loops
     FnSig cur
     str module
@@ -849,6 +869,121 @@ fn copyValue(ptr[Gen] g, str v, ast.Type t) -> str {
     return load(g, llty(g, t), dst)
 }
 
+// ---------- dropping ----------
+
+fn dropAt(ptr[Gen] g, str slot, ast.Type t) {
+    if !owning(g, t) {
+        return
+    }
+    if t.kind == "str" {
+        emit(g, "call void @finch_str_drop(ptr " + slot + ")")
+    } else {
+        emit(g, "call void " + dropFn(g, t) + "(ptr " + slot + ")")
+    }
+}
+
+fn dropValue(ptr[Gen] g, str v, ast.Type t) {
+    if owning(g, t) {
+        dropAt(g, spill(g, Val(v: v, ty: t)), t)
+    }
+}
+
+// a temporary nobody keeps: dropped right after use. Constants (text literals, empty arrays) own no memory.
+fn release(ptr[Gen] g, Val v) {
+    if v.fresh && v.v.len > 0 && !isConstant(v.v) && owning(g, v.ty) {
+        dropValue(g, v.v, v.ty)
+    }
+}
+
+fn isConstant(str v) -> bool {
+    return !v.starts_with("%")
+}
+
+fn dropFn(ptr[Gen] g, ast.Type t) -> str {
+    name := "@finch.drop." + typeKey(t)
+    if has(g.done, name) {
+        return name
+    }
+    g.done.push(name)
+    s := beginHelper(g)
+    if t.kind == "array" {
+        et := t.elem[0]
+        if owning(g, et) {
+            d := load(g, "ptr", "%a")
+            len := load(g, "i64", op(g, "getelementptr inbounds { ptr, i64, i64 }, ptr %a, i32 0, i32 1"))
+            l := loopStart(g, len)
+            ep := op(g, "getelementptr inbounds " + llty(g, et) + ", ptr " + d + ", i64 " + l[3])
+            dropAt(g, ep, et)
+            loopEnd(g, l)
+        }
+        emit(g, "call void @finch_arr_free(ptr %a)")
+    } else if t.kind == "map" {
+        kt := t.elem[0]
+        vt := t.elem[1]
+        if owning(g, kt) || owning(g, vt) {
+            used := load(g, "i64", op(g, "getelementptr inbounds " + llty(g, t) + ", ptr %a, i32 0, i32 2"))
+            l := loopStart(g, used)
+            e := entryAt(g, "%a", t, l[3])
+            live := newLabel(g, "entry.live")
+            next := newLabel(g, "entry.next")
+            condBr(g, op(g, "icmp ne i64 " + load(g, "i64", entryField(g, e, t, 0)) + ", 0"), live, next)
+            label(g, live)
+            dropAt(g, entryField(g, e, t, 1), kt)
+            dropAt(g, entryField(g, e, t, 2), vt)
+            br(g, next)
+            label(g, next)
+            loopEnd(g, l)
+        }
+        emit(g, "call void @finch_map_free(ptr %a)")
+    } else {
+        sd := g.structs[findStruct(g, t.module, t.name)]
+        st := llty(g, t)
+        for k in 0..sd.ftypes.len {
+            if owning(g, sd.ftypes[k]) {
+                dropAt(g, op(g, "getelementptr inbounds " + st + ", ptr %a, i32 0, i32 " + str(sd.lidx[k])), sd.ftypes[k])
+            }
+        }
+    }
+    emit(g, "ret void")
+    endHelper(g, s, "define internal void " + name + "(ptr %a)")
+    return name
+}
+
+// ---------- values held while an expression goes on ----------
+
+fn hold(ptr[Gen] g, Val v) {
+    if v.fresh && v.v.len > 0 && !isConstant(v.v) && owning(g, v.ty) {
+        g.pending.push(Pending(v: v.v, ty: v.ty, isAddr: false))
+    }
+}
+
+fn holdAddr(ptr[Gen] g, str slot, ast.Type t) {
+    if owning(g, t) {
+        g.pending.push(Pending(v: slot, ty: t, isAddr: true))
+    }
+}
+
+// emit the drops of pending[downTo..], newest first (for a path that leaves the function or a loop)
+fn dropPending(ptr[Gen] g, int downTo) {
+    i := g.pending.len
+    while i > downTo {
+        i -= 1
+        p := g.pending[i]
+        if p.isAddr {
+            dropAt(g, p.v, p.ty)
+        } else {
+            dropValue(g, p.v, p.ty)
+        }
+    }
+}
+
+// the expression is done: what it held is not pending any more
+fn heldEnd(ptr[Gen] g, int mark) {
+    while g.pending.len > mark {
+        g.pending.pop()
+    }
+}
+
 // something that can be stored: a fresh value moves, anything else is copied
 fn own(ptr[Gen] g, Val v) -> str {
     if !owning(g, v.ty) || v.fresh {
@@ -1188,7 +1323,7 @@ fn isBuiltin(str n) -> bool {
     return names.contains(n)
 }
 
-fn addVar(ptr[Gen] g, ast.Node at, str name, ast.Type t, str init, bool readonly) -> str {
+fn addVar(ptr[Gen] g, ast.Node at, str name, ast.Type t, str init, bool readonly, bool owned) -> str {
     if lookup(g, name) >= 0 && name != "err" {
         fail(g, at, "a variable named '" + name + "' already exists here")
     }
@@ -1200,7 +1335,12 @@ fn addVar(ptr[Gen] g, ast.Node at, str name, ast.Type t, str init, bool readonly
     }
     slot := alloca(g, llty(g, t))
     store(g, llty(g, t), init, slot)
-    g.scopes[g.scopes.len - 1].vars.push(Var(name: name, ty: t, slot: slot, readonly: readonly, order: g.nvars, dpath: g.files[at.file], dline: at.line, dcol: at.col))
+    sc := g.scopes.len - 1
+    mine := owned && owning(g, t)
+    if mine {
+        g.scopes[sc].cleanups.push(Cleanup(isDefer: false, idx: g.scopes[sc].vars.len))
+    }
+    g.scopes[sc].vars.push(Var(name: name, ty: t, slot: slot, readonly: readonly, owned: mine, order: g.nvars, dpath: g.files[at.file], dline: at.line, dcol: at.col))
     g.nvars += 1
     dbgVariable(g, at, name, t, slot)
     if g.index && name != "err" && !name.starts_with("$") {
@@ -1215,23 +1355,35 @@ fn pushScope(ptr[Gen] g) {
     g.scopes.push(Scope())
 }
 
+// The end of a scope: its variables are dropped and its defers run, unless it has already been left by return,
+// break or continue.
 fn popScope(ptr[Gen] g) {
+    if !g.term {
+        runCleanups(g, g.scopes.len - 1)
+    }
     g.scopes.pop()
 }
 
-// Run the defers of scope `idx`, newest first, as if written where the scope ends.
-fn runDefers(ptr[Gen] g, int idx) {
-    sc := g.scopes[idx]
-    k := sc.defers.len
+// Drop the variables of scope `idx` and run its defers, newest first, as if written where the scope ends.
+fn runCleanups(ptr[Gen] g, int idx) {
+    k := g.scopes[idx].cleanups.len
     while k > 0 {
         k -= 1
+        c := g.scopes[idx].cleanups[k]
+        if !c.isDefer {
+            v := g.scopes[idx].vars[c.idx]
+            if !v.moved {
+                dropAt(g, v.slot, v.ty)
+            }
+            continue
+        }
         savedOn := g.deferOn
         savedLimit := g.deferLimit
         g.deferOn = true
-        g.deferLimit = sc.orders[k]
+        g.deferLimit = g.scopes[idx].orders[c.idx]
         g.inDefer += 1
         pushScope(g)
-        stmt(g, sc.defers[k])
+        stmt(g, g.scopes[idx].defers[c.idx])
         popScope(g)
         g.inDefer -= 1
         g.deferOn = savedOn
@@ -1244,16 +1396,12 @@ fn unwind(ptr[Gen] g, int depth) {
     i := g.scopes.len
     while i > depth {
         i -= 1
-        runDefers(g, i)
+        runCleanups(g, i)
     }
 }
 
-// The end of a block: its defers run, unless the block has already left by return, break or continue.
 fn endScope(ptr[Gen] g) {
-    if !g.term {
-        runDefers(g, g.scopes.len - 1)
-    }
-    g.scopes.pop()
+    popScope(g)
 }
 
 // ---------- mutation analysis: does a function change a parameter? ----------
@@ -1577,12 +1725,14 @@ fn genericCall(ptr[Gen] g, ast.Node c, int ti, int first, str shown) -> Val {
         b.bound.push(false)
     }
     []Val vals
+    mark := g.pending.len
     for k in 0..nparams {
         v := expr(g, c.kids[first + k])
         if v.ty.kind == "void" || v.ty.kind == "null" {
             fail(g, c.kids[first + k], "this has no type to work out " + tpl.tparams.join(", ") + " from")
         }
         vals.push(v)
+        hold(g, v)
         bindType(g, f.kids[k].ty, v.ty, tpl.tparams, addr(b))
     }
     for i in 0..tpl.tparams.len {
@@ -1598,7 +1748,12 @@ fn genericCall(ptr[Gen] g, ast.Node c, int ti, int first, str shown) -> Val {
         v := coerce(g, vals[k], sig.params[k], c.kids[first + k], "argument '" + sig.pnames[k] + "'")
         out.push(llty(g, sig.params[k]) + " " + v.v)
     }
-    return emitCall(g, sig, c, out, shown)
+    r := emitCall(g, sig, c, out, shown)
+    for v in vals {
+        release(g, v)
+    }
+    heldEnd(g, mark)
+    return r
 }
 
 // A struct from a C header: the fields clang says it has, at the offsets clang says,
@@ -1986,7 +2141,7 @@ fn define(ptr[Gen] g, int si) {
         if g.cur.recv.len > 0 {
             g.dbgArg = k + 2
         }
-        addVar(g, f.kids[k], g.cur.pnames[k], pt, v, false)
+        addVar(g, f.kids[k], g.cur.pnames[k], pt, v, false, owning(g, pt) && !g.cur.borrow[k])
         g.dbgArg = 0
     }
     block(g, f.kids[f.kids.len - 1], false)
@@ -1994,7 +2149,7 @@ fn define(ptr[Gen] g, int si) {
         if g.cur.ret.kind != "void" {
             fail(g, f, "function '" + f.name + "' can reach its end without returning " + ast.show(g.cur.ret))
         }
-        runDefers(g, 0)
+        unwind(g, 0)
         if g.cur.fallible {
             emit(g, "ret " + retTy(g, g.cur) + " { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }")
         } else {
@@ -2039,9 +2194,9 @@ fn stmt(ptr[Gen] g, ast.Node s) {
         assignStmt(g, s)
     } else if k == "expr" {
         if s.kids[0].kind == "or" {
-            orElse(g, s.kids[0], true)
+            release(g, orElse(g, s.kids[0], true))
         } else {
-            expr(g, s.kids[0])
+            release(g, expr(g, s.kids[0]))
         }
     } else if k == "match" {
         matchGen(g, s, false)
@@ -2060,6 +2215,7 @@ fn stmt(ptr[Gen] g, ast.Node s) {
             fail(g, s, "defer inside defer is not allowed")
         }
         sc := g.scopes.len - 1
+        g.scopes[sc].cleanups.push(Cleanup(isDefer: true, idx: g.scopes[sc].defers.len))
         g.scopes[sc].defers.push(s.kids[0])
         g.scopes[sc].orders.push(g.nvars)
     } else if k == "break" || k == "continue" {
@@ -2070,6 +2226,7 @@ fn stmt(ptr[Gen] g, ast.Node s) {
             fail(g, s, k + " can only be used inside a loop")
         }
         l := g.loops[g.loops.len - 1]
+        dropPending(g, l.pend)
         unwind(g, l.depth)
         if k == "break" {
             br(g, l.brk)
@@ -2090,7 +2247,7 @@ fn declStmt(ptr[Gen] g, ast.Node s) {
         if v.ty.kind == "null" {
             fail(g, s.kids[0], "null needs a type, like: ptr[int] " + s.name + " = null")
         }
-        addVar(g, s, s.name, v.ty, own(g, v), false)
+        addVar(g, s, s.name, v.ty, own(g, v), false, true)
         return
     }
     t := resolve(g, s.ty, s)
@@ -2099,14 +2256,14 @@ fn declStmt(ptr[Gen] g, ast.Node s) {
             []ast.Node noArgs
             []str noNames
             v := construct(g, findStruct(g, t.module, t.name), noArgs, noNames, s)
-            addVar(g, s, s.name, t, v.v, false)
+            addVar(g, s, s.name, t, v.v, false, true)
             return
         }
-        addVar(g, s, s.name, t, zeroOf(t), false)
+        addVar(g, s, s.name, t, zeroOf(t), false, true)
         return
     }
     v := coerce(g, exprWant(g, s.kids[0], t), t, s.kids[0], "'" + s.name + "'")
-    addVar(g, s, s.name, t, own(g, v), false)
+    addVar(g, s, s.name, t, own(g, v), false, true)
 }
 
 fn hasDefaults(ptr[Gen] g, ast.Type t) -> bool {
@@ -2139,18 +2296,50 @@ fn assignStmt(ptr[Gen] g, ast.Node s) {
         what = "'" + root + "'"
     }
     if s.name == "=" {
-        v := expr(g, s.kids[1])
+        // the right side first: it may move memory the target lives in (a.push(...) inside it)
+        want := T("void")
+        known := false
+        if target.kind == "var" {
+            id := lookup(g, root)
+            if id >= 0 {
+                want = varAt(g, id).ty
+                known = true
+            }
+        }
+        v := Val()
+        if known {
+            v = exprWant(g, s.kids[1], want)
+        } else {
+            v = expr(g, s.kids[1])
+        }
+        mark := g.pending.len
+        hold(g, v)                      // while the target is computed (a[try f()] = ...)
         dst := place(g, target, true)
         v = coerce(g, v, dst.ty, s.kids[1], what)
-        store(g, llty(g, dst.ty), own(g, v), dst.addr)
+        nv := own(g, v)
+        if owning(g, dst.ty) {
+            old := load(g, llty(g, dst.ty), dst.addr)
+            store(g, llty(g, dst.ty), nv, dst.addr)
+            dropValue(g, old, dst.ty)
+        } else {
+            store(g, llty(g, dst.ty), nv, dst.addr)
+        }
+        heldEnd(g, mark)
         return
     }
     rhs := expr(g, s.kids[1])
+    mark := g.pending.len
+    hold(g, rhs)
     dst := place(g, target, true)
     cur := Val(v: load(g, llty(g, dst.ty), dst.addr), ty: dst.ty)
     opName := s.name.sub(0, 1)
     v := coerce(g, arith(g, opName, cur, rhs, s), dst.ty, s, what)
-    store(g, llty(g, dst.ty), own(g, v), dst.addr)
+    nv := own(g, v)
+    store(g, llty(g, dst.ty), nv, dst.addr)
+    if owning(g, dst.ty) {
+        dropValue(g, cur.v, dst.ty)
+    }
+    heldEnd(g, mark)
 }
 
 fn condition(ptr[Gen] g, ast.Node e) -> str {
@@ -2198,7 +2387,7 @@ fn whileStmt(ptr[Gen] g, ast.Node s) {
         condBr(g, c, body, end)
     }
     label(g, body)
-    g.loops.push(Loop(cont: cond, brk: end, depth: g.scopes.len))
+    g.loops.push(Loop(cont: cond, brk: end, depth: g.scopes.len, pend: g.pending.len))
     breaks := countBreaks(s.kids[1])
     block(g, s.kids[1], true)
     g.loops.pop()
@@ -2228,7 +2417,7 @@ fn forStmt(ptr[Gen] g, ast.Node s) {
     from := coerce(g, expr(g, s.kids[0]), T("int"), s.kids[0], "the start of a range").v
     to := coerce(g, expr(g, s.kids[1]), T("int"), s.kids[1], "the end of a range").v
     pushScope(g)
-    i := addVar(g, s, s.name, T("int"), from, true)
+    i := addVar(g, s, s.name, T("int"), from, true, false)
     cond := newLabel(g, "for.cond")
     body := newLabel(g, "for.body")
     step := newLabel(g, "for.step")
@@ -2239,7 +2428,7 @@ fn forStmt(ptr[Gen] g, ast.Node s) {
     c := op(g, "icmp slt i64 " + iv + ", " + to)
     condBr(g, c, body, end)
     label(g, body)
-    g.loops.push(Loop(cont: step, brk: end, depth: g.scopes.len))
+    g.loops.push(Loop(cont: step, brk: end, depth: g.scopes.len, pend: g.pending.len))
     block(g, s.kids[2], true)
     g.loops.pop()
     br(g, step)
@@ -2289,19 +2478,19 @@ fn eachMap(ptr[Gen] g, ast.Node s, str mp, ast.Type t, bool live) {
     hash := load(g, "i64", entryField(g, entry, t, 0))
     condBr(g, op(g, "icmp eq i64 " + hash + ", 0"), step, body)      // a removed entry
     label(g, body)
-    g.loops.push(Loop(cont: step, brk: end, depth: g.scopes.len))
+    g.loops.push(Loop(cont: step, brk: end, depth: g.scopes.len, pend: g.pending.len))
     pushScope(g)
     kv := load(g, llty(g, kt), entryField(g, entry, t, 1))
     if changes {
         kv = copyValue(g, kv, kt)
     }
-    addVar(g, s, s.name, kt, kv, true)
+    addVar(g, s, s.name, kt, kv, true, changes)
     if s.text.len > 0 {
         vv := load(g, llty(g, vt), entryField(g, entry, t, 2))
         if changes {
             vv = copyValue(g, vv, vt)
         }
-        addVar(g, s, s.text, vt, vv, true)
+        addVar(g, s, s.text, vt, vv, true, changes)
     }
     block(g, s.kids[1], true)
     popScope(g)
@@ -2324,7 +2513,7 @@ fn eachStmt(ptr[Gen] g, ast.Node s) {
         lt = r.pl.ty
     } else {
         lt = r.val.ty
-        listAddr = spill(g, r.val)
+        listAddr = addVar(g, s, "$list" + str(g.nvars), lt, own(g, r.val), false, true)
     }
     if lt.kind == "map" {
         eachMap(g, s, listAddr, lt, r.isPlace)
@@ -2358,14 +2547,14 @@ fn eachStmt(ptr[Gen] g, ast.Node s) {
     if copyElems {
         elem = copyValue(g, elem, et)
     }
-    g.loops.push(Loop(cont: step, brk: end, depth: g.scopes.len))
+    g.loops.push(Loop(cont: step, brk: end, depth: g.scopes.len, pend: g.pending.len))
     pushScope(g)
     elemVar := s.name
     if s.text.len > 0 {                  // for i, x in list
-        addVar(g, s, s.name, T("int"), i, true)
+        addVar(g, s, s.name, T("int"), i, true, false)
         elemVar = s.text
     }
-    addVar(g, s, elemVar, et, elem, true)
+    addVar(g, s, elemVar, et, elem, true, copyElems)
     block(g, s.kids[1], true)
     popScope(g)
     g.loops.pop()
@@ -2395,6 +2584,7 @@ fn returnStmt(ptr[Gen] g, ast.Node s) {
         checkArgs(g, c, 0, 1, "error")
         msg := coerce(g, expr(g, c.kids[0]), T("str"), c.kids[0], "the error message")
         out := own(g, msg)
+        dropPending(g, 0)
         unwind(g, 0)
         emit(g, "ret " + retTy(g, g.cur) + " " + op(g, "insertvalue " + retTy(g, g.cur) + " zeroinitializer, { ptr, i64, i64 } " + out + ", 2"))
         g.term = true
@@ -2404,6 +2594,7 @@ fn returnStmt(ptr[Gen] g, ast.Node s) {
         if s.kids.len > 0 {
             fail(g, s.kids[0], "'" + g.cur.name + "' doesn't return a value (it has no '-> type')")
         }
+        dropPending(g, 0)
         unwind(g, 0)
         if g.cur.fallible {
             emit(g, "ret " + retTy(g, g.cur) + " { i1 true, i8 0, { ptr, i64, i64 } zeroinitializer }")
@@ -2416,18 +2607,42 @@ fn returnStmt(ptr[Gen] g, ast.Node s) {
     if s.kids.len == 0 {
         fail(g, s, "'" + g.cur.name + "' must return " + ast.show(g.cur.ret))
     }
-    v := coerce(g, exprWant(g, s.kids[0], g.cur.ret), g.cur.ret, s.kids[0], "the returned value")
-    out := v.v
-    // returning a local variable moves it out; anything else borrowed is copied
-    isLocal := false
+    // `return local` moves the variable out instead of copying it
     if s.kids[0].kind == "var" {
-        id := lookup(g, s.kids[0].name)
-        isLocal = id >= 0 && id / 100000 > 0
-    }
-    if !isLocal {
-        out = own(g, v)
+        name := s.kids[0].name
+        idx := g.scopes.len
+        while idx > 0 {
+            idx -= 1
+            found := -1
+            for vi in 0..g.scopes[idx].vars.len {
+                if g.scopes[idx].vars[vi].name == name && !(g.deferOn && g.scopes[idx].vars[vi].order >= g.deferLimit) {
+                    found = vi
+                }
+            }
+            if found < 0 {
+                continue
+            }
+            lv := g.scopes[idx].vars[found]
+            if lv.owned && ast.same(lv.ty, g.cur.ret) {
+                out := load(g, llty(g, lv.ty), lv.slot)
+                g.scopes[idx].vars[found].moved = true
+                dropPending(g, 0)
+                unwind(g, 0)
+                g.scopes[idx].vars[found].moved = false
+                finishReturn(g, out)
+                return
+            }
+            break
+        }
     }
+    v := coerce(g, exprWant(g, s.kids[0], g.cur.ret), g.cur.ret, s.kids[0], "the returned value")
+    out := own(g, v)
+    dropPending(g, 0)
     unwind(g, 0)
+    finishReturn(g, out)
+}
+
+fn finishReturn(ptr[Gen] g, str out) {
     if g.cur.fallible {
         a := op(g, "insertvalue " + retTy(g, g.cur) + " zeroinitializer, i1 true, 0")
         b := op(g, "insertvalue " + retTy(g, g.cur) + " " + a + ", " + llty(g, g.cur.ret) + " " + out + ", 1")
@@ -2517,6 +2732,7 @@ fn mapIndex(ptr[Gen] g, ast.Node e, Ref obj, ast.Type t, bool write) -> Ref {
             fail(g, e, "this is a temporary map, it can't be changed")
         }
         entry := mapSlot(g, obj.pl.addr, t, key, true, e)
+        release(g, key)
         return Ref(isPlace: true, pl: Place(addr: entryField(g, entry, t, 2), ty: vt))
     }
     mp := ""
@@ -2538,6 +2754,7 @@ fn mapIndex(ptr[Gen] g, ast.Node e, Ref obj, ast.Type t, bool write) -> Ref {
     emit(g, "unreachable")
     g.term = true
     label(g, found)
+    release(g, key)
     va := entryField(g, entryAt(g, mp, t, i), t, 2)
     if obj.isPlace {
         return Ref(isPlace: true, pl: Place(addr: va, ty: vt))
@@ -2547,6 +2764,7 @@ fn mapIndex(ptr[Gen] g, ast.Node e, Ref obj, ast.Type t, bool write) -> Ref {
     if owning(g, vt) && obj.val.fresh {
         out = Val(v: copyValue(g, v, vt), ty: vt, fresh: true)
     }
+    release(g, obj.val)                 // from a temporary map: take the value, drop the rest
     return Ref(isPlace: false, val: out)
 }
 
@@ -2591,19 +2809,30 @@ fn mapLit(ptr[Gen] g, ast.Node e, ast.Type want) -> Val {
     }
     mp := alloca(g, llty(g, t))
     store(g, llty(g, t), "zeroinitializer", mp)
+    outer := g.pending.len
+    holdAddr(g, mp, t)                  // the entries so far, if a later one leaves early
     for i in 0..e.kids.len / 2 {
+        mark := g.pending.len
         k := k0
-        v := v0
         if !(i == 0 && first) {
             k = exprWant(g, e.kids[2 * i], t.elem[0])
-            v = exprWant(g, e.kids[2 * i + 1], t.elem[1])
         }
         k = coerce(g, k, t.elem[0], e.kids[2 * i], "every key of this map")
+        hold(g, k)
+        v := v0
+        if !(i == 0 && first) {
+            v = exprWant(g, e.kids[2 * i + 1], t.elem[1])
+        }
         v = coerce(g, v, t.elem[1], e.kids[2 * i + 1], "every value of this map")
         vv := own(g, v)
         entry := mapSlot(g, mp, t, k, false, e)
-        store(g, llty(g, t.elem[1]), vv, entryField(g, entry, t, 2))
+        va := entryField(g, entry, t, 2)
+        dropAt(g, va, t.elem[1])        // a key given twice: the last value wins
+        store(g, llty(g, t.elem[1]), vv, va)
+        release(g, k)
+        heldEnd(g, mark)
     }
+    heldEnd(g, outer)
     return Val(v: load(g, llty(g, t), mp), ty: t, fresh: true)
 }
 
@@ -2619,6 +2848,7 @@ fn mapMethod(ptr[Gen] g, ast.Node m, str mp, ast.Type t) -> Val {
         }
         key := coerce(g, exprWant(g, m.kids[1], kt), kt, m.kids[1], "the key")
         i := mapFind(g, mp, spill(g, key), t)
+        release(g, key)
         was := op(g, "icmp sge i64 " + i + ", 0")
         if n == "has" {
             return Val(v: was, ty: T("bool"))
@@ -2628,6 +2858,9 @@ fn mapMethod(ptr[Gen] g, ast.Node m, str mp, ast.Type t) -> Val {
             end := newLabel(g, "remove.end")
             condBr(g, was, hit, end)
             label(g, hit)
+            ent := entryAt(g, mp, t, i)
+            dropAt(g, entryField(g, ent, t, 1), kt)
+            dropAt(g, entryField(g, ent, t, 2), vt)
             emit(g, "call void @finch_map_remove_at(ptr " + mp + ", i64 " + i + ", i64 " + entrySize(g, t) + ")")
             br(g, end)
             label(g, end)
@@ -2655,6 +2888,20 @@ fn mapMethod(ptr[Gen] g, ast.Node m, str mp, ast.Type t) -> Val {
     }
     if n == "clear" {
         checkArgs(g, m, 1, 0, n)
+        if owning(g, kt) || owning(g, vt) {
+            used := load(g, "i64", op(g, "getelementptr inbounds " + llty(g, t) + ", ptr " + mp + ", i32 0, i32 2"))
+            l := loopStart(g, used)
+            e := entryAt(g, mp, t, l[3])
+            live := newLabel(g, "entry.live")
+            next := newLabel(g, "entry.next")
+            condBr(g, op(g, "icmp ne i64 " + load(g, "i64", entryField(g, e, t, 0)) + ", 0"), live, next)
+            label(g, live)
+            dropAt(g, entryField(g, e, t, 1), kt)
+            dropAt(g, entryField(g, e, t, 2), vt)
+            br(g, next)
+            label(g, next)
+            loopEnd(g, l)
+        }
         emit(g, "call void @finch_map_clear(ptr " + mp + ")")
         return Val(ty: T("void"))
     }
@@ -2716,6 +2963,8 @@ fn matchGen(ptr[Gen] g, ast.Node e, bool asValue) -> Val {
     if st.kind == "void" || st.kind == "null" {
         fail(g, e.kids[0], "there is nothing to match here")
     }
+    mark := g.pending.len
+    hold(g, subj)                       // a temporary subject lives through the arms
     end := newLabel(g, "match.end")
     hasElse := false
     reached := false            // does any arm go on to the end?
@@ -2806,6 +3055,7 @@ fn matchGen(ptr[Gen] g, ast.Node e, bool asValue) -> Val {
         emit(g, "unreachable")
         g.term = true
     }
+    heldEnd(g, mark)
     label(g, end)
     if !reached {
         emit(g, "unreachable")
@@ -2813,8 +3063,11 @@ fn matchGen(ptr[Gen] g, ast.Node e, bool asValue) -> Val {
         return Val(ty: T("void"))
     }
     if asValue {
-        return Val(v: op(g, "phi " + llty(g, resultTy) + " " + phiList(inVals, inLabels)), ty: resultTy, fresh: owning(g, resultTy))
+        out := Val(v: op(g, "phi " + llty(g, resultTy) + " " + phiList(inVals, inLabels)), ty: resultTy, fresh: owning(g, resultTy))
+        release(g, subj)
+        return out
     }
+    release(g, subj)
     return Val(ty: T("void"))
 }
 
@@ -2873,6 +3126,7 @@ fn tryExpr(ptr[Gen] g, ast.Node e) -> Val {
     ok := newLabel(g, "try.ok")
     condBr(g, f.failed, bad, ok)
     label(g, bad)
+    dropPending(g, 0)                   // what the expressions around this `try` were holding
     unwind(g, 0)
     emit(g, "ret " + retTy(g, g.cur) + " " + op(g, "insertvalue " + retTy(g, g.cur) + " zeroinitializer, { ptr, i64, i64 } " + f.msg + ", 2"))
     g.term = true
@@ -2890,7 +3144,7 @@ fn orElse(ptr[Gen] g, ast.Node e, bool discard) -> Val {
     label(g, bad)
     if e.flag {
         pushScope(g)
-        addVar(g, e, "err", T("str"), f.msg, true)
+        addVar(g, e, "err", T("str"), f.msg, true, true)
         block(g, e.kids[1], true)
         left := g.term
         popScope(g)
@@ -2901,6 +3155,7 @@ fn orElse(ptr[Gen] g, ast.Node e, bool discard) -> Val {
             join := newLabel(g, "or.end")
             br(g, join)
             label(g, ok)
+            release(g, v)                   // read_file(p) or { ... } as a statement: the unused value goes
             br(g, join)
             label(g, join)
             return Val(ty: T("void"))
@@ -2913,7 +3168,7 @@ fn orElse(ptr[Gen] g, ast.Node e, bool discard) -> Val {
         fail(g, e.kids[1], "this call gives back no value, so there is nothing to replace; handle the failure with  or { ... }")
     }
     pushScope(g)
-    addVar(g, e, "err", T("str"), f.msg, true)
+    addVar(g, e, "err", T("str"), f.msg, true, true)
     fb := coerce(g, exprWant(g, e.kids[1], v.ty), v.ty, e.kids[1], "the value after 'or'")
     fv := own(g, fb)
     popScope(g)
@@ -3118,6 +3373,8 @@ fn arith(ptr[Gen] g, str o, Val l, Val r, ast.Node at) -> Val {
     if o == "+" && l.ty.kind == "str" && r.ty.kind == "str" {
         out := alloca(g, "{ ptr, i64, i64 }")
         emit(g, "call void @finch_str_concat(ptr " + out + ", ptr " + spill(g, l) + ", ptr " + spill(g, r) + ")")
+        release(g, l)
+        release(g, r)
         return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
     }
     if !unify(g, addr(l), addr(r)) {
@@ -3179,10 +3436,16 @@ fn compare(ptr[Gen] g, str o, Val l, Val r, ast.Node at) -> Val {
             if o == "!=" {
                 pred = "eq"
             }
-            return Val(v: op(g, "icmp " + pred + " i32 " + c + ", 0"), ty: T("bool"))
+            res := op(g, "icmp " + pred + " i32 " + c + ", 0")
+            release(g, l)
+            release(g, r)
+            return Val(v: res, ty: T("bool"))
         }
         c := op(g, "call i64 @finch_str_cmp(ptr " + spill(g, l) + ", ptr " + spill(g, r) + ")")
-        return Val(v: op(g, "icmp " + intPred(o, true) + " i64 " + c + ", 0"), ty: T("bool"))
+        res := op(g, "icmp " + intPred(o, true) + " i64 " + c + ", 0")
+        release(g, l)
+        release(g, r)
+        return Val(v: res, ty: T("bool"))
     }
     if !unify(g, addr(l), addr(r)) {
         badOperands(g, o, l, r, at)
@@ -3249,7 +3512,10 @@ fn binary(ptr[Gen] g, ast.Node e) -> Val {
         return Val(v: op(g, "phi i1 [ " + short + ", %" + from + " ], [ " + r + ", %" + rhsEnd + " ]"), ty: T("bool"))
     }
     l := expr(g, e.kids[0])
+    mark := g.pending.len
+    hold(g, l)                      // while the right side is computed (it may `try`)
     r := expr(g, e.kids[1])
+    heldEnd(g, mark)
     if o == "==" || o == "!=" || o == "<" || o == "<=" || o == ">" || o == ">=" {
         return compare(g, o, l, r, e)
     }
@@ -3264,6 +3530,7 @@ fn arrayLit(ptr[Gen] g, ast.Node a, ast.Type want) -> Val {
         fail(g, a, "an empty [] needs a type, like: []int nums = []")
     }
     []str vals
+    mark := g.pending.len
     for k in a.kids {
         v := Val()
         if et.kind == "void" {
@@ -3274,7 +3541,9 @@ fn arrayLit(ptr[Gen] g, ast.Node a, ast.Type want) -> Val {
         }
         v = coerce(g, v, et, k, "every element of this array")
         vals.push(own(g, v))
+        hold(g, Val(v: vals[vals.len - 1], ty: et, fresh: true))        // while the next elements are computed
     }
+    heldEnd(g, mark)
     at := ast.arrayOf(et)
     n := str(vals.len)
     data := "null"
@@ -3473,7 +3742,9 @@ fn member(ptr[Gen] g, ast.Node m, bool write) -> Ref {
             lp := op(g, "getelementptr inbounds " + llty(g, t) + ", ptr " + obj.pl.addr + ", i32 0, i32 1")
             return Ref(isPlace: false, val: Val(v: load(g, "i64", lp), ty: T("int")))
         }
-        return Ref(isPlace: false, val: Val(v: op(g, "extractvalue " + llty(g, t) + " " + obj.val.v + ", 1"), ty: T("int")))
+        n := op(g, "extractvalue " + llty(g, t) + " " + obj.val.v + ", 1")
+        release(g, obj.val)
+        return Ref(isPlace: false, val: Val(v: n, ty: T("int")))
     }
     if t.kind != "struct" {
         fail(g, m, ast.show(t) + " has no fields (no '." + m.name + "')")
@@ -3494,11 +3765,22 @@ fn member(ptr[Gen] g, ast.Node m, bool write) -> Ref {
     if owning(g, ft) && obj.val.fresh {
         out = Val(v: copyValue(g, fv, ft), ty: ft, fresh: true)
     }
+    release(g, obj.val)                 // a field of a temporary struct: take it, then drop the rest
     return Ref(isPlace: false, val: out)
 }
 
 fn index(ptr[Gen] g, ast.Node e, bool write) -> Ref {
     obj := ref(g, e.kids[0], write)
+    mark := g.pending.len
+    if !obj.isPlace {
+        hold(g, obj.val)                // while the index is computed
+    }
+    r := indexOf(g, e, obj, write)
+    heldEnd(g, mark)
+    return r
+}
+
+fn indexOf(ptr[Gen] g, ast.Node e, Ref obj, bool write) -> Ref {
     t := obj.val.ty
     if obj.isPlace {
         t = obj.pl.ty
@@ -3558,6 +3840,7 @@ fn index(ptr[Gen] g, ast.Node e, bool write) -> Ref {
     if owning(g, et) && obj.val.fresh {
         out = Val(v: copyValue(g, ev, et), ty: et, fresh: true)
     }
+    release(g, obj.val)
     return Ref(isPlace: false, val: out)
 }
 
@@ -3618,6 +3901,7 @@ fn convert(ptr[Gen] g, ast.Node c, ast.Type to) -> Val {
             ok := op(g, "call i32 @finch_str_try_int(ptr " + spill(g, v) + ", ptr " + out + ", ptr " + err + ")")
             g.ffailed = op(g, "icmp eq i32 " + ok + ", 0")
             g.fmsg = load(g, "{ ptr, i64, i64 }", err)
+            release(g, v)
             return Val(v: intCast(g, load(g, "i64", out), T("int"), to), ty: to)
         }
         out := alloca(g, "double")
@@ -3625,15 +3909,18 @@ fn convert(ptr[Gen] g, ast.Node c, ast.Type to) -> Val {
         ok := op(g, "call i32 @finch_str_try_float(ptr " + spill(g, v) + ", ptr " + out + ", ptr " + err + ")")
         g.ffailed = op(g, "icmp eq i32 " + ok + ", 0")
         g.fmsg = load(g, "{ ptr, i64, i64 }", err)
+        release(g, v)
         return Val(v: floatCast(g, load(g, "double", out), T("float"), to), ty: to)
     }
     if from.kind == "str" && isNumber(to) {
         file := strGlobal(g, g.files[c.file])
         if isInt(to) {
             r := op(g, "call i64 @finch_str_to_int(ptr " + spill(g, v) + ", ptr " + file + ", i64 " + str(c.line) + ")")
+            release(g, v)
             return Val(v: intCast(g, r, T("int"), to), ty: to)
         }
         r := op(g, "call double @finch_str_to_float(ptr " + spill(g, v) + ", ptr " + file + ", i64 " + str(c.line) + ")")
+        release(g, v)
         return Val(v: floatCast(g, r, T("float"), to), ty: to)
     }
     if isInt(to) && from.kind == "enum" {
@@ -4175,11 +4462,15 @@ fn callC(ptr[Gen] g, ast.Node c, cimport.CFunc f) -> Val {
         ptys.push("ptr sret(" + llty(g, ret) + ") align 16")
         args.push("ptr sret(" + llty(g, ret) + ") align 16 " + sretSlot)
     }
+    []Val temps
+    mark := g.pending.len
     for i in 0..c.kids.len {
         if i < f.params.len {
             pt := ptypes[i]
             a := pl.params[i]
             v := coerce(g, exprWant(g, c.kids[i], pt), pt, c.kids[i], "argument " + str(i + 1) + " of " + f.name)
+            temps.push(v)
+            hold(g, v)
             if a.kind == "memory" {
                 slot := alloca(g, llty(g, pt))
                 store(g, llty(g, pt), v.v, slot)
@@ -4215,6 +4506,8 @@ fn callC(ptr[Gen] g, ast.Node c, cimport.CFunc f) -> Val {
         if t.kind == "void" {
             fail(g, c.kids[i], "this gives back nothing")
         }
+        temps.push(v)
+        hold(g, v)
         if t.kind == "struct" || t.kind == "array" {
             fail(g, c.kids[i], "structs and arrays can't be passed to the '...' part of a C function")
         }
@@ -4260,13 +4553,16 @@ fn callC(ptr[Gen] g, ast.Node c, cimport.CFunc f) -> Val {
     text := "call" + retExt + " " + retLL + sig + " @" + f.name + "(" + args.join(", ") + ")"
     if ret.kind == "void" {
         emit(g, text)
+        releaseAll(g, temps, mark)
         return Val(ty: ret)
     }
     if pl.sret {
         emit(g, text)
+        releaseAll(g, temps, mark)
         return Val(v: load(g, llty(g, ret), sretSlot), ty: ret)
     }
     r := op(g, text)
+    releaseAll(g, temps, mark)
     if pl.ret.kind == "expand" {
         slot := alloca(g, "[32 x i8]")
         store(g, pl.ret.coerced, r, slot)
@@ -4281,6 +4577,14 @@ fn callC(ptr[Gen] g, ast.Node c, cimport.CFunc f) -> Val {
     return Val(v: r, ty: ret)
 }
 
+// the call is made: what its arguments held is dropped
+fn releaseAll(ptr[Gen] g, []Val vals, int mark) {
+    for v in vals {
+        release(g, v)
+    }
+    heldEnd(g, mark)
+}
+
 // libc functions the runtime declares itself, with the signatures C has
 fn runtimeDeclares(str name) -> bool {
     return ["printf", "fflush", "exit", "free", "qsort"].contains(name)
@@ -4320,6 +4624,7 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
                 printf(g, " ", "")
             }
             emitPrint(g, v.v, v.ty, false)
+            release(g, v)
         }
         printf(g, "\n", "")
         return Val(ty: T("void"))
@@ -4344,8 +4649,9 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
         v := expr(g, c.kids[0])
         out := strOut(g)
         k := v.ty.kind
+        borrowed := false           // a C string is not copied: whoever keeps it copies it
         if k == "str" {
-            return Val(v: copyValue(g, v.v, v.ty), ty: v.ty, fresh: true)
+            return Val(v: own(g, v), ty: v.ty, fresh: true)
         } else if isSigned(v.ty) {
             emit(g, "call void @finch_str_from_int(ptr " + out + ", i64 " + intCast(g, v.v, v.ty, T("int")) + ")")
         } else if isUnsigned(v.ty) {
@@ -4361,17 +4667,20 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
             // a C string, copied
             store(g, "{ ptr, i64, i64 }", "zeroinitializer", out)
             emit(g, "call void @finch_str_from_c(ptr " + out + ", ptr " + v.v + ")")
+            borrowed = true
         } else if k == "array" && (v.ty.elem[0].kind == "u8" || v.ty.elem[0].kind == "char") {
             // bytes become text
             store(g, "{ ptr, i64, i64 }", "zeroinitializer", out)
             emit(g, "call void @finch_str_from_bytes(ptr " + out + ", ptr " + spill(g, v) + ")")
+            release(g, v)
         } else if k == "bool" || k == "char" || k == "array" || k == "map" || k == "struct" || k == "enum" {
             store(g, "{ ptr, i64, i64 }", "zeroinitializer", out)
             emitFormat(g, out, v.v, v.ty, false)
+            release(g, v)
         } else {
             fail(g, c.kids[0], "can't turn " + ast.show(v.ty) + " into str")
         }
-        return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
+        return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: !borrowed)
     }
     to := numType(n)
     if to.len > 0 {
@@ -4379,9 +4688,11 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
     }
     if n == "read_file" || n == "file_exists" {
         checkArgs(g, c, 0, 1, n)
-        path := spill(g, strArg(g, c.kids[0], "the file name"))
+        pv := strArg(g, c.kids[0], "the file name")
+        path := spill(g, pv)
         if n == "file_exists" {
             r := op(g, "call i32 @finch_file_exists(ptr " + path + ")")
+            release(g, pv)
             return Val(v: op(g, "icmp ne i32 " + r + ", 0"), ty: T("bool"))
         }
         out := strOut(g)
@@ -4392,25 +4703,36 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
             ok := op(g, "call i32 @finch_try_read_file(ptr " + out + ", ptr " + path + ", ptr " + err + ")")
             g.ffailed = op(g, "icmp eq i32 " + ok + ", 0")
             g.fmsg = load(g, "{ ptr, i64, i64 }", err)
+            release(g, pv)
             return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
         }
         file := strGlobal(g, g.files[c.file])
         emit(g, "call void @finch_read_file(ptr " + out + ", ptr " + path + ", ptr " + file + ", i64 " + str(c.line) + ")")
+        release(g, pv)
         return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
     }
     if n == "write_file" {
         checkArgs(g, c, 0, 2, n)
-        path := spill(g, strArg(g, c.kids[0], "the file name"))
-        text := spill(g, strArg(g, c.kids[1], "the text"))
+        pv := strArg(g, c.kids[0], "the file name")
+        mark := g.pending.len
+        hold(g, pv)
+        tv := strArg(g, c.kids[1], "the text")
+        heldEnd(g, mark)
+        path := spill(g, pv)
+        text := spill(g, tv)
         if g.ftarget == nodeKey(c) {
             err := alloca(g, "{ ptr, i64, i64 }")
             store(g, "{ ptr, i64, i64 }", "zeroinitializer", err)
             ok := op(g, "call i32 @finch_try_write_file(ptr " + path + ", ptr " + text + ", ptr " + err + ")")
             g.ffailed = op(g, "icmp eq i32 " + ok + ", 0")
             g.fmsg = load(g, "{ ptr, i64, i64 }", err)
+            release(g, pv)
+            release(g, tv)
             return Val(ty: T("void"))
         }
         r := op(g, "call i32 @finch_write_file(ptr " + path + ", ptr " + text + ")")
+        release(g, pv)
+        release(g, tv)
         return Val(v: op(g, "icmp ne i32 " + r + ", 0"), ty: T("bool"))
     }
     if n == "delete_file" {
@@ -4424,9 +4746,13 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
             ok := op(g, "call i32 @finch_try_delete_file(ptr " + heap + ", ptr " + err + ")")
             g.ffailed = op(g, "icmp eq i32 " + ok + ", 0")
             g.fmsg = load(g, "{ ptr, i64, i64 }", err)
+            dropAt(g, heap, T("str"))
+            release(g, p)
             return Val(ty: T("void"))
         }
         r := op(g, "call i32 @finch_delete_file(ptr " + heap + ")")
+        dropAt(g, heap, T("str"))
+        release(g, p)
         return Val(v: op(g, "icmp ne i32 " + r + ", 0"), ty: T("bool"))
     }
     if n == "shell" {
@@ -4434,7 +4760,10 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
         cmd := strArg(g, c.kids[0], "the command")
         heap := strOut(g)
         emit(g, "call void @finch_str_copy(ptr " + heap + ", ptr " + spill(g, cmd) + ")")
-        return Val(v: op(g, "call i64 @finch_shell(ptr " + heap + ")"), ty: T("int"))
+        r := op(g, "call i64 @finch_shell(ptr " + heap + ")")
+        dropAt(g, heap, T("str"))
+        release(g, cmd)
+        return Val(v: r, ty: T("int"))
     }
     if n == "exit" {
         checkArgs(g, c, 0, 1, n)
@@ -4452,6 +4781,7 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
         }
         out := strOut(g)
         emit(g, "call void @finch_input(ptr " + out + ", ptr " + spill(g, prompt) + ")")
+        release(g, prompt)
         return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
     }
     if n == "new" {
@@ -4467,6 +4797,15 @@ fn call(ptr[Gen] g, ast.Node c) -> Val {
         if v.ty.kind != "ptr" {
             fail(g, c.kids[0], "free(...) is only for pointers from new(...) or C; arrays, str and structs are freed by Finch at the end of their block")
         }
+        if v.ty.elem.len > 0 && owning(g, v.ty.elem[0]) {
+            drop := newLabel(g, "free.drop")
+            done := newLabel(g, "free.done")
+            condBr(g, op(g, "icmp eq ptr " + v.v + ", null"), done, drop)
+            label(g, drop)
+            dropAt(g, v.v, v.ty.elem[0])
+            br(g, done)
+            label(g, done)
+        }
         emit(g, "call void @free(ptr " + v.v + ")")
         return Val(ty: T("void"))
     }
@@ -4531,6 +4870,8 @@ fn callFn(ptr[Gen] g, int fi, ast.Node c, int first, str shown, str selfAddr, st
     if sig.recv.len > 0 {
         args.push("ptr " + selfAddr)
     }
+    []Val fresh
+    mark := g.pending.len
     for k in 0..sig.params.len {
         a := c.kids[first + k]
         v := coerce(g, exprWant(g, a, sig.params[k]), sig.params[k], a, "argument '" + sig.pnames[k] + "'")
@@ -4538,9 +4879,18 @@ fn callFn(ptr[Gen] g, int fi, ast.Node c, int first, str shown, str selfAddr, st
         if owning(g, sig.params[k]) && !v.fresh && selfRoot.len > 0 && rootVar(a) == selfRoot {
             v = Val(v: copyValue(g, v.v, v.ty), ty: v.ty, fresh: true)
         }
-        args.push(llty(g, sig.params[k]) + " " + v.v)
+        args.push(llty(g, sig.params[k]) + " " + v.v)      // owning values are lent: the function never drops them
+        if v.fresh {
+            fresh.push(v)
+        }
+        hold(g, v)
     }
-    return emitCall(g, sig, c, args, shown)
+    r := emitCall(g, sig, c, args, shown)
+    for v in fresh {
+        release(g, v)
+    }
+    heldEnd(g, mark)
+    return r
 }
 
 // The call itself, once the arguments are values ("i64 5"); the receiver's address, if any, is already first.
@@ -4600,6 +4950,7 @@ fn construct(ptr[Gen] g, int si, []ast.Node args, []str names, ast.Node at) -> V
         given[k] = i
     }
     v := "zeroinitializer"
+    mark := g.pending.len
     for k in 0..sd.fnames.len {
         ft := sd.ftypes[k]
         fv := Val()
@@ -4625,8 +4976,11 @@ fn construct(ptr[Gen] g, int si, []ast.Node args, []str names, ast.Node at) -> V
         } else {
             continue
         }
-        v = op(g, "insertvalue " + st + " " + v + ", " + llty(g, ft) + " " + own(g, fv) + ", " + str(sd.lidx[k]))
+        fo := own(g, fv)
+        hold(g, Val(v: fo, ty: ft, fresh: true))
+        v = op(g, "insertvalue " + st + " " + v + ", " + llty(g, ft) + " " + fo + ", " + str(sd.lidx[k]))
     }
+    heldEnd(g, mark)
     return Val(v: v, ty: t, fresh: owning(g, t))
 }
 
@@ -4674,6 +5028,7 @@ fn method(ptr[Gen] g, ast.Node m) -> Val {
     }
     changing := ["push", "pop", "insert", "remove", "clear", "resize", "sort", "reverse"]
     r := ref(g, objNode, changing.contains(m.name))
+    mark := g.pending.len
     t := r.val.ty
     if r.isPlace {
         t = r.pl.ty
@@ -4687,9 +5042,17 @@ fn method(ptr[Gen] g, ast.Node m) -> Val {
                 fail(g, m, m.name + "() would change a temporary array; store it in a variable first")
             }
             a = spill(g, r.val)
+            if r.val.fresh {
+                holdAddr(g, a, t)
+            }
         }
         noteMethod(g, m, docs.arrayMethods())
-        return arrayMethod(g, m, a, t)
+        out := arrayMethod(g, m, a, t)
+        if !r.isPlace && r.val.fresh {
+            dropAt(g, a, t)
+        }
+        heldEnd(g, mark)
+        return out
     }
     if t.kind == "str" {
         sv := r.val
@@ -4697,7 +5060,15 @@ fn method(ptr[Gen] g, ast.Node m) -> Val {
             sv = Val(v: load(g, "{ ptr, i64, i64 }", r.pl.addr), ty: t)
         }
         noteMethod(g, m, docs.strMethods())
-        return strMethod(g, m, spill(g, sv))
+        if !r.isPlace {
+            hold(g, sv)
+        }
+        out := strMethod(g, m, spill(g, sv))
+        if !r.isPlace {
+            release(g, sv)
+        }
+        heldEnd(g, mark)
+        return out
     }
     if t.kind == "map" {
         mp := ""
@@ -4708,12 +5079,22 @@ fn method(ptr[Gen] g, ast.Node m) -> Val {
                 fail(g, m, m.name + "() would change a temporary map; store it in a variable first")
             }
             mp = spill(g, r.val)
+            if r.val.fresh {
+                holdAddr(g, mp, t)
+            }
         }
         noteMethod(g, m, docs.mapMethods())
-        return mapMethod(g, m, mp, t)
+        out := mapMethod(g, m, mp, t)
+        if !r.isPlace && r.val.fresh {
+            dropAt(g, mp, t)
+        }
+        heldEnd(g, mark)
+        return out
     }
+    heldEnd(g, mark)
     st := t
     selfAddr := ""
+    temp := false
     if t.kind == "ptr" && t.elem.len > 0 && t.elem[0].kind == "struct" {
         pv := r.val.v
         if r.isPlace {
@@ -4726,7 +5107,8 @@ fn method(ptr[Gen] g, ast.Node m) -> Val {
         if r.isPlace {
             selfAddr = r.pl.addr
         } else {
-            selfAddr = spill(g, r.val)
+            selfAddr = spill(g, r.val)          // a temporary struct: Point(1, 2).length()
+            temp = true
         }
     }
     if st.kind == "struct" || st.kind == "enum" {
@@ -4765,7 +5147,15 @@ fn method(ptr[Gen] g, ast.Node m) -> Val {
                 }
             }
         }
-        return callFn(g, fi, m, 1, ast.show(st) + "." + m.name, selfAddr, rootVar(objNode))
+        if temp && r.val.fresh {
+            holdAddr(g, selfAddr, st)
+        }
+        out := callFn(g, fi, m, 1, ast.show(st) + "." + m.name, selfAddr, rootVar(objNode))
+        if temp && r.val.fresh && owning(g, st) {
+            dropAt(g, selfAddr, st)
+        }
+        heldEnd(g, mark)
+        return out
     }
     fail(g, m, ast.show(t) + " has no methods")
     return Val()
@@ -4803,6 +5193,7 @@ fn arrayMethod(ptr[Gen] g, ast.Node m, str a, ast.Type at) -> Val {
     }
     if n == "clear" {
         need(g, m, 0)
+        dropFrom(g, a, at, "0")
         store(g, "i64", "0", lenAddr)
         return Val(ty: T("void"))
     }
@@ -4827,7 +5218,7 @@ fn arrayMethod(ptr[Gen] g, ast.Node m, str a, ast.Type at) -> Val {
         condBr(g, c, body, end)
         label(g, body)
         ev := Val(v: load(g, ET, op(g, "getelementptr inbounds " + ET + ", ptr " + data + ", i64 " + i)), ty: et)
-        eq := compare(g, "==", ev, x, m).v
+        eq := compare(g, "==", ev, Val(v: x.v, ty: x.ty), m).v
         condBr(g, eq, hit, nxt)
         label(g, hit)
         store(g, "i64", i, res)
@@ -4836,6 +5227,7 @@ fn arrayMethod(ptr[Gen] g, ast.Node m, str a, ast.Type at) -> Val {
         store(g, "i64", op(g, "add i64 " + i + ", 1"), iv)
         br(g, cond)
         label(g, end)
+        release(g, x)
         r := load(g, "i64", res)
         if n == "find" {
             return Val(v: r, ty: T("int"))
@@ -4847,9 +5239,11 @@ fn arrayMethod(ptr[Gen] g, ast.Node m, str a, ast.Type at) -> Val {
         if et.kind != "str" {
             fail(g, m, "join() works on an array of str")
         }
-        sep := spill(g, strArg(g, m.kids[1], "the separator"))
+        sepv := strArg(g, m.kids[1], "the separator")
+        sep := spill(g, sepv)
         out := strOut(g)
         emit(g, "call void @finch_str_join(ptr " + out + ", ptr " + a + ", ptr " + sep + ")")
+        release(g, sepv)
         return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
     }
     if n == "insert" {
@@ -4874,6 +5268,7 @@ fn arrayMethod(ptr[Gen] g, ast.Node m, str a, ast.Type at) -> Val {
     if n == "resize" {
         need(g, m, 1)
         k := coerce(g, expr(g, m.kids[1]), T("int"), m.kids[1], "the new length").v
+        dropFrom(g, a, at, k)
         emit(g, "call void @finch_arr_resize(ptr " + a + ", i64 " + k + ", i64 " + sizeOf(g, et) + ")")
         return Val(ty: T("void"))
     }
@@ -4930,6 +5325,24 @@ fn arrayMethod(ptr[Gen] g, ast.Node m, str a, ast.Type at) -> Val {
     return Val()
 }
 
+// resize/clear: the elements from `from` on go away, so they are dropped
+fn dropFrom(ptr[Gen] g, str a, ast.Type at, str from) {
+    et := at.elem[0]
+    if !owning(g, et) {
+        return
+    }
+    ET := llty(g, et)
+    l := load(g, "i64", op(g, "getelementptr inbounds { ptr, i64, i64 }, ptr " + a + ", i32 0, i32 1"))
+    d := load(g, "ptr", a)
+    under := op(g, "icmp slt i64 " + from + ", " + l)
+    neg := op(g, "icmp slt i64 " + from + ", 0")
+    start := op(g, "select i1 " + under + ", i64 " + op(g, "select i1 " + neg + ", i64 0, i64 " + from) + ", i64 " + l)
+    lp := loopStart(g, op(g, "sub i64 " + l + ", " + start))
+    ep := op(g, "getelementptr inbounds " + ET + ", ptr " + d + ", i64 " + op(g, "add i64 " + start + ", " + lp[3]))
+    dropAt(g, ep, et)
+    loopEnd(g, lp)
+}
+
 // -1, 0 or 1, for qsort
 fn cmpFn(ptr[Gen] g, ast.Type t) -> str {
     name := "@finch.cmp." + typeKey(t)
@@ -4975,20 +5388,27 @@ fn strMethod(ptr[Gen] g, ast.Node m, str s) -> Val {
     }
     if n == "find" || n == "contains" || n == "starts_with" || n == "ends_with" {
         need(g, m, 1)
-        t := spill(g, strArg(g, m.kids[1], "the text to look for"))
+        tv := strArg(g, m.kids[1], "the text to look for")
+        t := spill(g, tv)
         if n == "find" {
-            return Val(v: op(g, "call i64 @finch_str_find(ptr " + s + ", ptr " + t + ")"), ty: T("int"))
+            res := op(g, "call i64 @finch_str_find(ptr " + s + ", ptr " + t + ")")
+            release(g, tv)
+            return Val(v: res, ty: T("int"))
         }
         if n == "contains" {
             r := op(g, "call i64 @finch_str_find(ptr " + s + ", ptr " + t + ")")
-            return Val(v: op(g, "icmp sge i64 " + r + ", 0"), ty: T("bool"))
+            res := op(g, "icmp sge i64 " + r + ", 0")
+            release(g, tv)
+            return Val(v: res, ty: T("bool"))
         }
         fname := "@finch_str_starts"
         if n == "ends_with" {
             fname = "@finch_str_ends"
         }
         r := op(g, "call i32 " + fname + "(ptr " + s + ", ptr " + t + ")")
-        return Val(v: op(g, "icmp ne i32 " + r + ", 0"), ty: T("bool"))
+        res := op(g, "icmp ne i32 " + r + ", 0")
+        release(g, tv)
+        return Val(v: res, ty: T("bool"))
     }
     if n == "trim" || n == "upper" || n == "lower" {
         need(g, m, 0)
@@ -4997,16 +5417,25 @@ fn strMethod(ptr[Gen] g, ast.Node m, str s) -> Val {
     }
     if n == "replace" {
         need(g, m, 2)
-        a := spill(g, strArg(g, m.kids[1], "the text to replace"))
-        b := spill(g, strArg(g, m.kids[2], "the new text"))
+        av := strArg(g, m.kids[1], "the text to replace")
+        mark := g.pending.len
+        hold(g, av)
+        bv := strArg(g, m.kids[2], "the new text")
+        heldEnd(g, mark)
+        a := spill(g, av)
+        b := spill(g, bv)
         emit(g, "call void @finch_str_replace(ptr " + out + ", ptr " + s + ", ptr " + a + ", ptr " + b + ")")
+        release(g, av)
+        release(g, bv)
         return Val(v: load(g, "{ ptr, i64, i64 }", out), ty: T("str"), fresh: true)
     }
     if n == "split" {
         need(g, m, 1)
-        sep := spill(g, strArg(g, m.kids[1], "the separator"))
+        sepv := strArg(g, m.kids[1], "the separator")
+        sep := spill(g, sepv)
         ao := strOut(g)
         emit(g, "call void @finch_str_split(ptr " + ao + ", ptr " + s + ", ptr " + sep + ")")
+        release(g, sepv)
         return Val(v: load(g, "{ ptr, i64, i64 }", ao), ty: ast.arrayOf(T("str")), fresh: true)
     }
     if n == "repeat" {
@@ -5033,6 +5462,9 @@ fn runtimeDecls() -> str {
         "declare void @finch_panic_index(ptr, i64, i64, i64) noreturn cold",
         "declare ptr @finch_alloc(i64)",
         "declare void @finch_str_copy(ptr, ptr)",
+        "declare void @finch_str_drop(ptr)",
+        "declare void @finch_arr_free(ptr)",
+        "declare void @finch_map_free(ptr)",
         "declare void @finch_str_own(ptr)",
         "declare void @finch_str_concat(ptr, ptr, ptr)",
         "declare i32 @finch_str_eq(ptr, ptr)",